$ echo <snap-name> > /sys/bus/rbd/devices/<dev-id>/snap_create
-rollback_snap
-
- Rolls back data to the specified snapshot. This goes over the entire
- list of rados blocks and sends a rollback command to each.
-
- $ echo <snap-name> > /sys/bus/rbd/devices/<dev-id>/snap_rollback
-
snap_*
A directory per each snapshot
HIGH-RESOLUTION TIMERS, CLOCKEVENTS, DYNTICKS
M: Thomas Gleixner <tglx@linutronix.de>
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git timers/core
S: Maintained
F: Documentation/timers/
F: kernel/hrtimer.c
IRQ SUBSYSTEM
M: Thomas Gleixner <tglx@linutronix.de>
S: Maintained
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip.git irq/core
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git irq/core
F: kernel/irq/
ISAPNP
LOCKDEP AND LOCKSTAT
M: Peter Zijlstra <peterz@infradead.org>
M: Ingo Molnar <mingo@redhat.com>
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/peterz/linux-2.6-lockdep.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git core/locking
S: Maintained
F: Documentation/lockdep*.txt
F: Documentation/lockstat.txt
S: Maintained
F: Documentation/dvb/
F: Documentation/video4linux/
+F: Documentation/DocBook/media/
F: drivers/media/
+F: drivers/staging/media/
F: include/media/
F: include/linux/dvb/
F: include/linux/videodev*.h
M: Paul Mackerras <paulus@samba.org>
M: Ingo Molnar <mingo@elte.hu>
M: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git perf/core
S: Supported
F: kernel/events/*
F: include/linux/perf_event.h
POSIX CLOCKS and TIMERS
M: Thomas Gleixner <tglx@linutronix.de>
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git timers/core
S: Supported
F: fs/timerfd.c
F: include/linux/timer*
TIMEKEEPING, NTP
M: John Stultz <johnstul@us.ibm.com>
M: Thomas Gleixner <tglx@linutronix.de>
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git timers/core
S: Supported
F: include/linux/clocksource.h
F: include/linux/time.h
SCHEDULER
M: Ingo Molnar <mingo@elte.hu>
M: Peter Zijlstra <peterz@infradead.org>
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git sched/core
S: Maintained
F: kernel/sched*
F: include/linux/sched.h
M: Steven Rostedt <rostedt@goodmis.org>
M: Frederic Weisbecker <fweisbec@gmail.com>
M: Ingo Molnar <mingo@redhat.com>
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip.git perf/core
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git perf/core
S: Maintained
F: Documentation/trace/ftrace.txt
F: arch/*/*/*/ftrace.h
M: Ingo Molnar <mingo@redhat.com>
M: "H. Peter Anvin" <hpa@zytor.com>
M: x86@kernel.org
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/core
S: Maintained
F: Documentation/x86/
F: arch/x86/
VERSION = 3
PATCHLEVEL = 2
SUBLEVEL = 0
-EXTRAVERSION = -rc5
+EXTRAVERSION = -rc7
NAME = Saber-toothed Squirrel
# *DOCUMENTATION*
be avoided when possible.
config PHYS_OFFSET
- hex "Physical address of main memory"
+ hex "Physical address of main memory" if MMU
depends on !ARM_PATCH_PHYS_VIRT && !NEED_MACH_MEMORY_H
+ default DRAM_BASE if !MMU
help
Please provide the physical address corresponding to the
location of main memory in your system.
};
struct unwind_idx {
- unsigned long addr;
+ unsigned long addr_offset;
unsigned long insn;
};
struct unwind_table {
struct list_head list;
- struct unwind_idx *start;
- struct unwind_idx *stop;
+ const struct unwind_idx *start;
+ const struct unwind_idx *origin;
+ const struct unwind_idx *stop;
unsigned long begin_addr;
unsigned long end_addr;
};
extern void unwind_table_del(struct unwind_table *tab);
extern void unwind_backtrace(struct pt_regs *regs, struct task_struct *tsk);
-#ifdef CONFIG_ARM_UNWIND
-extern int __init unwind_init(void);
-#else
-static inline int __init unwind_init(void)
-{
- return 0;
-}
-#endif
-
#endif /* !__ASSEMBLY__ */
#ifdef CONFIG_ARM_UNWIND
static int __devinit armpmu_device_probe(struct platform_device *pdev)
{
+ if (!cpu_pmu)
+ return -ENODEV;
+
cpu_pmu->plat_device = pdev;
return 0;
}
{
struct machine_desc *mdesc;
- unwind_init();
-
setup_processor();
mdesc = setup_machine_fdt(__atags_pointer);
if (!mdesc)
machine_desc = mdesc;
machine_name = mdesc->name;
+#ifdef CONFIG_ZONE_DMA
+ if (mdesc->dma_zone_size) {
+ extern unsigned long arm_dma_zone_size;
+ arm_dma_zone_size = mdesc->dma_zone_size;
+ }
+#endif
if (mdesc->soft_reboot)
reboot_setup("s");
tcm_init();
-#ifdef CONFIG_ZONE_DMA
- if (mdesc->dma_zone_size) {
- extern unsigned long arm_dma_zone_size;
- arm_dma_zone_size = mdesc->dma_zone_size;
- }
-#endif
#ifdef CONFIG_MULTI_IRQ_HANDLER
handle_arch_irq = mdesc->handle_irq;
#endif
struct unwind_ctrl_block {
unsigned long vrs[16]; /* virtual register set */
- unsigned long *insn; /* pointer to the current instructions word */
+ const unsigned long *insn; /* pointer to the current instructions word */
int entries; /* number of entries left to interpret */
int byte; /* current byte number in the instructions word */
};
PC = 15
};
-extern struct unwind_idx __start_unwind_idx[];
-extern struct unwind_idx __stop_unwind_idx[];
+extern const struct unwind_idx __start_unwind_idx[];
+static const struct unwind_idx *__origin_unwind_idx;
+extern const struct unwind_idx __stop_unwind_idx[];
static DEFINE_SPINLOCK(unwind_lock);
static LIST_HEAD(unwind_tables);
})
/*
- * Binary search in the unwind index. The entries entries are
+ * Binary search in the unwind index. The entries are
* guaranteed to be sorted in ascending order by the linker.
+ *
+ * start = first entry
+ * origin = first entry with positive offset (or stop if there is no such entry)
+ * stop - 1 = last entry
*/
-static struct unwind_idx *search_index(unsigned long addr,
- struct unwind_idx *first,
- struct unwind_idx *last)
+static const struct unwind_idx *search_index(unsigned long addr,
+ const struct unwind_idx *start,
+ const struct unwind_idx *origin,
+ const struct unwind_idx *stop)
{
- pr_debug("%s(%08lx, %p, %p)\n", __func__, addr, first, last);
+ unsigned long addr_prel31;
+
+ pr_debug("%s(%08lx, %p, %p, %p)\n",
+ __func__, addr, start, origin, stop);
+
+ /*
+ * only search in the section with the matching sign. This way the
+ * prel31 numbers can be compared as unsigned longs.
+ */
+ if (addr < (unsigned long)start)
+ /* negative offsets: [start; origin) */
+ stop = origin;
+ else
+ /* positive offsets: [origin; stop) */
+ start = origin;
+
+ /* prel31 for address relavive to start */
+ addr_prel31 = (addr - (unsigned long)start) & 0x7fffffff;
- if (addr < first->addr) {
+ while (start < stop - 1) {
+ const struct unwind_idx *mid = start + ((stop - start) >> 1);
+
+ /*
+ * As addr_prel31 is relative to start an offset is needed to
+ * make it relative to mid.
+ */
+ if (addr_prel31 - ((unsigned long)mid - (unsigned long)start) <
+ mid->addr_offset)
+ stop = mid;
+ else {
+ /* keep addr_prel31 relative to start */
+ addr_prel31 -= ((unsigned long)mid -
+ (unsigned long)start);
+ start = mid;
+ }
+ }
+
+ if (likely(start->addr_offset <= addr_prel31))
+ return start;
+ else {
pr_warning("unwind: Unknown symbol address %08lx\n", addr);
return NULL;
- } else if (addr >= last->addr)
- return last;
+ }
+}
- while (first < last - 1) {
- struct unwind_idx *mid = first + ((last - first + 1) >> 1);
+static const struct unwind_idx *unwind_find_origin(
+ const struct unwind_idx *start, const struct unwind_idx *stop)
+{
+ pr_debug("%s(%p, %p)\n", __func__, start, stop);
+ while (start < stop) {
+ const struct unwind_idx *mid = start + ((stop - start) >> 1);
- if (addr < mid->addr)
- last = mid;
+ if (mid->addr_offset >= 0x40000000)
+ /* negative offset */
+ start = mid + 1;
else
- first = mid;
+ /* positive offset */
+ stop = mid;
}
-
- return first;
+ pr_debug("%s -> %p\n", __func__, stop);
+ return stop;
}
-static struct unwind_idx *unwind_find_idx(unsigned long addr)
+static const struct unwind_idx *unwind_find_idx(unsigned long addr)
{
- struct unwind_idx *idx = NULL;
+ const struct unwind_idx *idx = NULL;
unsigned long flags;
pr_debug("%s(%08lx)\n", __func__, addr);
- if (core_kernel_text(addr))
+ if (core_kernel_text(addr)) {
+ if (unlikely(!__origin_unwind_idx))
+ __origin_unwind_idx =
+ unwind_find_origin(__start_unwind_idx,
+ __stop_unwind_idx);
+
/* main unwind table */
idx = search_index(addr, __start_unwind_idx,
- __stop_unwind_idx - 1);
- else {
+ __origin_unwind_idx,
+ __stop_unwind_idx);
+ } else {
/* module unwind tables */
struct unwind_table *table;
if (addr >= table->begin_addr &&
addr < table->end_addr) {
idx = search_index(addr, table->start,
- table->stop - 1);
+ table->origin,
+ table->stop);
/* Move-to-front to exploit common traces */
list_move(&table->list, &unwind_tables);
break;
int unwind_frame(struct stackframe *frame)
{
unsigned long high, low;
- struct unwind_idx *idx;
+ const struct unwind_idx *idx;
struct unwind_ctrl_block ctrl;
/* only go to a higher address on the stack */
unsigned long text_size)
{
unsigned long flags;
- struct unwind_idx *idx;
struct unwind_table *tab = kmalloc(sizeof(*tab), GFP_KERNEL);
pr_debug("%s(%08lx, %08lx, %08lx, %08lx)\n", __func__, start, size,
if (!tab)
return tab;
- tab->start = (struct unwind_idx *)start;
- tab->stop = (struct unwind_idx *)(start + size);
+ tab->start = (const struct unwind_idx *)start;
+ tab->stop = (const struct unwind_idx *)(start + size);
+ tab->origin = unwind_find_origin(tab->start, tab->stop);
tab->begin_addr = text_addr;
tab->end_addr = text_addr + text_size;
- /* Convert the symbol addresses to absolute values */
- for (idx = tab->start; idx < tab->stop; idx++)
- idx->addr = prel31_to_addr(&idx->addr);
-
spin_lock_irqsave(&unwind_lock, flags);
list_add_tail(&tab->list, &unwind_tables);
spin_unlock_irqrestore(&unwind_lock, flags);
kfree(tab);
}
-
-int __init unwind_init(void)
-{
- struct unwind_idx *idx;
-
- /* Convert the symbol addresses to absolute values */
- for (idx = __start_unwind_idx; idx < __stop_unwind_idx; idx++)
- idx->addr = prel31_to_addr(&idx->addr);
-
- pr_debug("unwind: ARM stack unwinding initialised\n");
-
- return 0;
-}
char name[10];
};
-static DEFINE_PER_CPU(struct mct_clock_event_device, percpu_mct_tick);
-
static void exynos4_mct_write(unsigned int value, void *addr)
{
void __iomem *stat_addr;
}
#ifdef CONFIG_LOCAL_TIMERS
+
+static DEFINE_PER_CPU(struct mct_clock_event_device, percpu_mct_tick);
+
/* Clock event handling */
static void exynos4_mct_tick_stop(struct mct_clock_event_device *mevt)
{
void local_timer_stop(struct clock_event_device *evt)
{
+ unsigned int cpu = smp_processor_id();
evt->set_mode(CLOCK_EVT_MODE_UNUSED, evt);
if (mct_int_type == MCT_INT_SPI)
- disable_irq(evt->irq);
+ if (cpu == 0)
+ remove_irq(evt->irq, &mct_tick0_event_irq);
+ else
+ remove_irq(evt->irq, &mct_tick1_event_irq);
else
disable_percpu_irq(IRQ_MCT_LOCALTIMER);
}
clk_rate = clk_get_rate(mct_clk);
+#ifdef CONFIG_LOCAL_TIMERS
if (mct_int_type == MCT_INT_PPI) {
int err;
WARN(err, "MCT: can't request IRQ %d (%d)\n",
IRQ_MCT_LOCALTIMER, err);
}
+#endif /* CONFIG_LOCAL_TIMERS */
}
static void __init exynos4_timer_init(void)
{
iomux_v3_cfg_t usbh1stp = MX51_PAD_USBH1_STP__USBH1_STP;
iomux_v3_cfg_t power_key = NEW_PAD_CTRL(MX51_PAD_EIM_A27__GPIO2_21,
- PAD_CTL_SRE_FAST | PAD_CTL_DSE_HIGH | PAD_CTL_PUS_100K_UP);
+ PAD_CTL_SRE_FAST | PAD_CTL_DSE_HIGH);
imx51_soc_init();
gpio_set_value(MX53_EVK_FEC_PHY_RST, 1);
}
-static struct fec_platform_data mx53_evk_fec_pdata = {
+static const struct fec_platform_data mx53_evk_fec_pdata __initconst = {
.phy = PHY_INTERFACE_MODE_RMII,
};
gpio_set_value(LOCO_FEC_PHY_RST, 1);
}
-static struct fec_platform_data mx53_loco_fec_data = {
+static const struct fec_platform_data mx53_loco_fec_data __initconst = {
.phy = PHY_INTERFACE_MODE_RMII,
};
gpio_set_value(SMD_FEC_PHY_RST, 1);
}
-static struct fec_platform_data mx53_smd_fec_data = {
+static const struct fec_platform_data mx53_smd_fec_data __initconst = {
.phy = PHY_INTERFACE_MODE_RMII,
};
static void __init rx51_charger_init(void)
{
WARN_ON(gpio_request_one(RX51_USB_TRANSCEIVER_RST_GPIO,
- GPIOF_OUT_INIT_LOW, "isp1704_reset"));
+ GPIOF_OUT_INIT_HIGH, "isp1704_reset"));
platform_device_register(&rx51_charger_device);
}
pdata->reg_size = 4;
pdata->has_ccr = true;
}
+ pdata->set_clk_src = omap2_mcbsp_set_clk_src;
+ if (id == 1)
+ pdata->mux_signal = omap2_mcbsp1_mux_rx_clk;
if (oh->class->rev == MCBSP_CONFIG_TYPE3) {
if (id == 2)
name, oh->name);
return PTR_ERR(pdev);
}
- pdata->set_clk_src = omap2_mcbsp_set_clk_src;
- if (id == 1)
- pdata->mux_signal = omap2_mcbsp1_mux_rx_clk;
omap_mcbsp_count++;
return 0;
}
static struct pl061_platform_data gpio0_plat_data = {
.gpio_base = 0,
- .irq_base = -1,
};
static struct pl061_platform_data gpio1_plat_data = {
.gpio_base = 8,
- .irq_base = -1,
};
static struct pl061_platform_data gpio2_plat_data = {
.gpio_base = 16,
- .irq_base = -1,
};
static struct pl022_ssp_controller ssp0_plat_data = {
static struct pl061_platform_data gpio0_plat_data = {
.gpio_base = 0,
- .irq_base = -1,
};
static struct pl061_platform_data gpio1_plat_data = {
.gpio_base = 8,
- .irq_base = -1,
};
static struct pl061_platform_data gpio2_plat_data = {
.gpio_base = 16,
- .irq_base = -1,
};
static struct pl022_ssp_controller ssp0_plat_data = {
static struct pl061_platform_data gpio0_plat_data = {
.gpio_base = 0,
- .irq_base = -1,
};
static struct pl061_platform_data gpio1_plat_data = {
.gpio_base = 8,
- .irq_base = -1,
};
static struct pl061_platform_data gpio2_plat_data = {
.gpio_base = 16,
- .irq_base = -1,
};
static struct pl022_ssp_controller ssp0_plat_data = {
static struct pl061_platform_data gpio0_plat_data = {
.gpio_base = 0,
- .irq_base = -1,
};
static struct pl061_platform_data gpio1_plat_data = {
.gpio_base = 8,
- .irq_base = -1,
};
static struct pl061_platform_data gpio2_plat_data = {
.gpio_base = 16,
- .irq_base = -1,
};
static struct pl022_ssp_controller ssp0_plat_data = {
static struct pl061_platform_data gpio0_plat_data = {
.gpio_base = 0,
- .irq_base = -1,
};
static struct pl061_platform_data gpio1_plat_data = {
.gpio_base = 8,
- .irq_base = -1,
};
static struct pl061_platform_data gpio2_plat_data = {
.gpio_base = 16,
- .irq_base = -1,
};
static struct pl022_ssp_controller ssp0_plat_data = {
static struct platform_pwm_backlight_data smdkv210_bl_data = {
.pwm_id = 3,
+ .pwm_period_ns = 1000,
};
static void __init smdkv210_map_io(void)
MACHINE_START(AG5EVM, "ag5evm")
.map_io = ag5evm_map_io,
+ .nr_irqs = NR_IRQS_LEGACY,
.init_irq = sh73a0_init_irq,
.handle_irq = shmobile_handle_irq_gic,
.init_machine = ag5evm_init,
#include <linux/input/sh_keysc.h>
#include <linux/gpio_keys.h>
#include <linux/leds.h>
+#include <linux/platform_data/leds-renesas-tpu.h>
#include <linux/mmc/host.h>
#include <linux/mmc/sh_mmcif.h>
#include <linux/mfd/tmio.h>
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = gic_spi(33), /* PINTA2 @ PORT144 */
+ .start = SH73A0_PINT0_IRQ(2), /* PINTA2 */
.flags = IORESOURCE_IRQ,
},
};
#define GPIO_LED(n, g) { .name = n, .gpio = g }
static struct gpio_led gpio_leds[] = {
- GPIO_LED("V2513", GPIO_PORT153), /* PORT153 [TPU1T02] -> V2513 */
- GPIO_LED("V2514", GPIO_PORT199), /* PORT199 [TPU4TO1] -> V2514 */
- GPIO_LED("V2515", GPIO_PORT197), /* PORT197 [TPU2TO1] -> V2515 */
- GPIO_LED("KEYLED", GPIO_PORT163), /* PORT163 [TPU3TO0] -> KEYLED */
GPIO_LED("G", GPIO_PORT20), /* PORT20 [GPO0] -> LED7 -> "G" */
GPIO_LED("H", GPIO_PORT21), /* PORT21 [GPO1] -> LED8 -> "H" */
GPIO_LED("J", GPIO_PORT22), /* PORT22 [GPO2] -> LED9 -> "J" */
},
};
+/* TPU LED */
+static struct led_renesas_tpu_config led_renesas_tpu12_pdata = {
+ .name = "V2513",
+ .pin_gpio_fn = GPIO_FN_TPU1TO2,
+ .pin_gpio = GPIO_PORT153,
+ .channel_offset = 0x90,
+ .timer_bit = 2,
+ .max_brightness = 1000,
+};
+
+static struct resource tpu12_resources[] = {
+ [0] = {
+ .name = "TPU12",
+ .start = 0xe6610090,
+ .end = 0xe66100b5,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device leds_tpu12_device = {
+ .name = "leds-renesas-tpu",
+ .id = 12,
+ .dev = {
+ .platform_data = &led_renesas_tpu12_pdata,
+ },
+ .num_resources = ARRAY_SIZE(tpu12_resources),
+ .resource = tpu12_resources,
+};
+
+static struct led_renesas_tpu_config led_renesas_tpu41_pdata = {
+ .name = "V2514",
+ .pin_gpio_fn = GPIO_FN_TPU4TO1,
+ .pin_gpio = GPIO_PORT199,
+ .channel_offset = 0x50,
+ .timer_bit = 1,
+ .max_brightness = 1000,
+};
+
+static struct resource tpu41_resources[] = {
+ [0] = {
+ .name = "TPU41",
+ .start = 0xe6640050,
+ .end = 0xe6640075,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device leds_tpu41_device = {
+ .name = "leds-renesas-tpu",
+ .id = 41,
+ .dev = {
+ .platform_data = &led_renesas_tpu41_pdata,
+ },
+ .num_resources = ARRAY_SIZE(tpu41_resources),
+ .resource = tpu41_resources,
+};
+
+static struct led_renesas_tpu_config led_renesas_tpu21_pdata = {
+ .name = "V2515",
+ .pin_gpio_fn = GPIO_FN_TPU2TO1,
+ .pin_gpio = GPIO_PORT197,
+ .channel_offset = 0x50,
+ .timer_bit = 1,
+ .max_brightness = 1000,
+};
+
+static struct resource tpu21_resources[] = {
+ [0] = {
+ .name = "TPU21",
+ .start = 0xe6620050,
+ .end = 0xe6620075,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device leds_tpu21_device = {
+ .name = "leds-renesas-tpu",
+ .id = 21,
+ .dev = {
+ .platform_data = &led_renesas_tpu21_pdata,
+ },
+ .num_resources = ARRAY_SIZE(tpu21_resources),
+ .resource = tpu21_resources,
+};
+
+static struct led_renesas_tpu_config led_renesas_tpu30_pdata = {
+ .name = "KEYLED",
+ .pin_gpio_fn = GPIO_FN_TPU3TO0,
+ .pin_gpio = GPIO_PORT163,
+ .channel_offset = 0x10,
+ .timer_bit = 0,
+ .max_brightness = 1000,
+};
+
+static struct resource tpu30_resources[] = {
+ [0] = {
+ .name = "TPU30",
+ .start = 0xe6630010,
+ .end = 0xe6630035,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device leds_tpu30_device = {
+ .name = "leds-renesas-tpu",
+ .id = 30,
+ .dev = {
+ .platform_data = &led_renesas_tpu30_pdata,
+ },
+ .num_resources = ARRAY_SIZE(tpu30_resources),
+ .resource = tpu30_resources,
+};
+
/* MMCIF */
static struct resource mmcif_resources[] = {
[0] = {
&keysc_device,
&gpio_keys_device,
&gpio_leds_device,
+ &leds_tpu12_device,
+ &leds_tpu41_device,
+ &leds_tpu21_device,
+ &leds_tpu30_device,
&mmcif_device,
&sdhi0_device,
&sdhi1_device,
shmobile_setup_console();
}
-#define PINTER0A 0xe69000a0
-#define PINTCR0A 0xe69000b0
-
-void __init kota2_init_irq(void)
-{
- sh73a0_init_irq();
-
- /* setup PINT: enable PINTA2 as active low */
- __raw_writel(1 << 29, PINTER0A);
- __raw_writew(2 << 10, PINTCR0A);
-}
-
static void __init kota2_init(void)
{
sh73a0_pinmux_init();
MACHINE_START(KOTA2, "kota2")
.map_io = kota2_map_io,
- .init_irq = kota2_init_irq,
+ .nr_irqs = NR_IRQS_LEGACY,
+ .init_irq = sh73a0_init_irq,
.handle_irq = shmobile_handle_irq_gic,
.init_machine = kota2_init,
.timer = &kota2_timer,
.ops = &main_clk_ops,
};
+/* Divide Main clock by two */
+static struct clk main_div2_clk = {
+ .ops = &div2_clk_ops,
+ .parent = &main_clk,
+};
+
/* PLL0, PLL1, PLL2, PLL3 */
static unsigned long pll_recalc(struct clk *clk)
{
&extal1_div2_clk,
&extal2_div2_clk,
&main_clk,
+ &main_div2_clk,
&pll0_clk,
&pll1_clk,
&pll2_clk,
[DIV6_VCK1] = SH_CLK_DIV6(&pll1_div2_clk, VCLKCR1, 0),
[DIV6_VCK2] = SH_CLK_DIV6(&pll1_div2_clk, VCLKCR2, 0),
[DIV6_VCK3] = SH_CLK_DIV6(&pll1_div2_clk, VCLKCR3, 0),
- [DIV6_ZB1] = SH_CLK_DIV6(&pll1_div2_clk, ZBCKCR, 0),
+ [DIV6_ZB1] = SH_CLK_DIV6(&pll1_div2_clk, ZBCKCR, CLK_ENABLE_ON_INIT),
[DIV6_FLCTL] = SH_CLK_DIV6(&pll1_div2_clk, FLCKCR, 0),
[DIV6_SDHI0] = SH_CLK_DIV6(&pll1_div2_clk, SD0CKCR, 0),
[DIV6_SDHI1] = SH_CLK_DIV6(&pll1_div2_clk, SD1CKCR, 0),
MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200,
MSTP331, MSTP329, MSTP325, MSTP323, MSTP318,
MSTP314, MSTP313, MSTP312, MSTP311,
+ MSTP303, MSTP302, MSTP301, MSTP300,
MSTP411, MSTP410, MSTP403,
MSTP_NR };
[MSTP313] = MSTP(&div6_clks[DIV6_SDHI1], SMSTPCR3, 13, 0), /* SDHI1 */
[MSTP312] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 12, 0), /* MMCIF0 */
[MSTP311] = MSTP(&div6_clks[DIV6_SDHI2], SMSTPCR3, 11, 0), /* SDHI2 */
+ [MSTP303] = MSTP(&main_div2_clk, SMSTPCR3, 3, 0), /* TPU1 */
+ [MSTP302] = MSTP(&main_div2_clk, SMSTPCR3, 2, 0), /* TPU2 */
+ [MSTP301] = MSTP(&main_div2_clk, SMSTPCR3, 1, 0), /* TPU3 */
+ [MSTP300] = MSTP(&main_div2_clk, SMSTPCR3, 0, 0), /* TPU4 */
[MSTP411] = MSTP(&div4_clks[DIV4_HP], SMSTPCR4, 11, 0), /* IIC3 */
[MSTP410] = MSTP(&div4_clks[DIV4_HP], SMSTPCR4, 10, 0), /* IIC4 */
[MSTP403] = MSTP(&r_clk, SMSTPCR4, 3, 0), /* KEYSC */
CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[MSTP313]), /* SDHI1 */
CLKDEV_DEV_ID("sh_mmcif.0", &mstp_clks[MSTP312]), /* MMCIF0 */
CLKDEV_DEV_ID("sh_mobile_sdhi.2", &mstp_clks[MSTP311]), /* SDHI2 */
+ CLKDEV_DEV_ID("leds-renesas-tpu.12", &mstp_clks[MSTP303]), /* TPU1 */
+ CLKDEV_DEV_ID("leds-renesas-tpu.21", &mstp_clks[MSTP302]), /* TPU2 */
+ CLKDEV_DEV_ID("leds-renesas-tpu.30", &mstp_clks[MSTP301]), /* TPU3 */
+ CLKDEV_DEV_ID("leds-renesas-tpu.41", &mstp_clks[MSTP300]), /* TPU4 */
CLKDEV_DEV_ID("i2c-sh_mobile.3", &mstp_clks[MSTP411]), /* I2C3 */
CLKDEV_DEV_ID("i2c-sh_mobile.4", &mstp_clks[MSTP410]), /* I2C4 */
CLKDEV_DEV_ID("sh_keysc.0", &mstp_clks[MSTP403]), /* KEYSC */
* the CPU clock speed on the fly.
*/
+#include <linux/module.h>
#include <linux/cpufreq.h>
#include <linux/clk.h>
#include <linux/err.h>
#define MX3_PWMSAR 0x0C /* PWM Sample Register */
#define MX3_PWMPR 0x10 /* PWM Period Register */
#define MX3_PWMCR_PRESCALER(x) (((x - 1) & 0xFFF) << 4)
+#define MX3_PWMCR_DOZEEN (1 << 24)
+#define MX3_PWMCR_WAITEN (1 << 23)
+#define MX3_PWMCR_DBGEN (1 << 22)
#define MX3_PWMCR_CLKSRC_IPG_HIGH (2 << 16)
#define MX3_PWMCR_CLKSRC_IPG (1 << 16)
#define MX3_PWMCR_EN (1 << 0)
writel(duty_cycles, pwm->mmio_base + MX3_PWMSAR);
writel(period_cycles, pwm->mmio_base + MX3_PWMPR);
- cr = MX3_PWMCR_PRESCALER(prescale) | MX3_PWMCR_EN;
+ cr = MX3_PWMCR_PRESCALER(prescale) |
+ MX3_PWMCR_DOZEEN | MX3_PWMCR_WAITEN |
+ MX3_PWMCR_DBGEN | MX3_PWMCR_EN;
if (cpu_is_mx25())
cr |= MX3_PWMCR_CLKSRC_IPG;
#include <linux/slab.h>
#include <linux/io.h>
#include <linux/pwm_backlight.h>
-#include <linux/slab.h>
#include <plat/devs.h>
#include <plat/gpio-cfg.h>
return -EINVAL;
retval = oprofilefs_ulong_from_user(&val, buf, count);
- if (retval)
+ if (retval <= 0)
return retval;
if (oprofile_started)
#define GBECONT 0xffc10100
#define GBECONT_RMII1 BIT(17)
#define GBECONT_RMII0 BIT(16)
-static void sh7757_eth_set_mdio_gate(unsigned long addr)
+static void sh7757_eth_set_mdio_gate(void *addr)
{
- if ((addr & 0x00000fff) < 0x0800)
+ if (((unsigned long)addr & 0x00000fff) < 0x0800)
writel(readl(GBECONT) | GBECONT_RMII0, GBECONT);
else
writel(readl(GBECONT) | GBECONT_RMII1, GBECONT);
},
};
-static void sh7757_eth_giga_set_mdio_gate(unsigned long addr)
+static void sh7757_eth_giga_set_mdio_gate(void *addr)
{
- if ((addr & 0x00000fff) < 0x0800) {
+ if (((unsigned long)addr & 0x00000fff) < 0x0800) {
gpio_set_value(GPIO_PTT4, 1);
writel(readl(GBECONT) & ~GBECONT_RMII0, GBECONT);
} else {
};
static struct sh_mmcif_dma sh7757lcr_mmcif_dma = {
- .chan_priv_tx = SHDMA_SLAVE_MMCIF_TX,
- .chan_priv_rx = SHDMA_SLAVE_MMCIF_RX,
+ .chan_priv_tx = {
+ .slave_id = SHDMA_SLAVE_MMCIF_TX,
+ },
+ .chan_priv_rx = {
+ .slave_id = SHDMA_SLAVE_MMCIF_RX,
+ }
};
static struct sh_mmcif_plat_data sh_mmcif_plat = {
dp->rcv_buf_len = 4096;
- dp->ds_states = kzalloc(sizeof(ds_states_template),
- GFP_KERNEL);
+ dp->ds_states = kmemdup(ds_states_template,
+ sizeof(ds_states_template), GFP_KERNEL);
if (!dp->ds_states)
goto out_free_rcv_buf;
- memcpy(dp->ds_states, ds_states_template,
- sizeof(ds_states_template));
dp->num_ds_states = ARRAY_SIZE(ds_states_template);
for (i = 0; i < dp->num_ds_states; i++)
if (!irq)
return -ENOMEM;
- if (pci_sun4v_msiq_setstate(pbm->devhandle, msiqid, HV_MSIQSTATE_IDLE))
- return -EINVAL;
if (pci_sun4v_msiq_setvalid(pbm->devhandle, msiqid, HV_MSIQ_VALID))
return -EINVAL;
+ if (pci_sun4v_msiq_setstate(pbm->devhandle, msiqid, HV_MSIQSTATE_IDLE))
+ return -EINVAL;
return irq;
}
void *new_val;
int err;
- new_val = kmalloc(len, GFP_KERNEL);
+ new_val = kmemdup(val, len, GFP_KERNEL);
if (!new_val)
return -ENOMEM;
- memcpy(new_val, val, len);
-
err = -ENODEV;
mutex_lock(&of_set_property_mutex);
case 'i': /* INT */
if ((insn & 0xc1c00000) == 0x01000000) /* %HI */
set_addr(addr, q[1], fmangled, (insn & 0xffc00000) | (p[1] >> 10));
- else if ((insn & 0x80002000) == 0x80002000 &&
- (insn & 0x01800000) != 0x01800000) /* %LO */
+ else if ((insn & 0x80002000) == 0x80002000) /* %LO */
set_addr(addr, q[1], fmangled, (insn & 0xffffe000) | (p[1] & 0x3ff));
else {
prom_printf(insn_i, p, addr, insn);
*/
#define E820_RESERVED_KERN 128
-/*
- * Address ranges that need to be mapped by the kernel direct
- * mapping. This is used to make sure regions such as
- * EFI_RUNTIME_SERVICES_DATA are directly mapped. See setup_arch().
- */
-#define E820_RESERVED_EFI 129
-
#ifndef __ASSEMBLY__
#include <linux/types.h>
struct e820entry {
}
#endif
-extern unsigned long e820_end_pfn(unsigned long limit_pfn, unsigned type);
extern unsigned long e820_end_of_ram_pfn(void);
extern unsigned long e820_end_of_low_ram_pfn(void);
extern u64 early_reserve_e820(u64 startt, u64 sizet, u64 align);
#define efi_call_virt6(f, a1, a2, a3, a4, a5, a6) \
efi_call_virt(f, a1, a2, a3, a4, a5, a6)
+#define efi_ioremap(addr, size, type) ioremap_cache(addr, size)
+
#else /* !CONFIG_X86_32 */
extern u64 efi_call0(void *fp);
efi_call6((void *)(efi.systab->runtime->f), (u64)(a1), (u64)(a2), \
(u64)(a3), (u64)(a4), (u64)(a5), (u64)(a6))
+extern void __iomem *efi_ioremap(unsigned long addr, unsigned long size,
+ u32 type);
+
#endif /* CONFIG_X86_32 */
extern int add_efi_memmap;
for (i = 0; i < code_len; i++, ip++) {
if (ip < (u8 *)PAGE_OFFSET ||
probe_kernel_address(ip, c)) {
- printk(" Bad EIP value.");
+ printk(KERN_CONT " Bad EIP value.");
break;
}
if (ip == (u8 *)regs->ip)
- printk("<%02x> ", c);
+ printk(KERN_CONT "<%02x> ", c);
else
- printk("%02x ", c);
+ printk(KERN_CONT "%02x ", c);
}
}
- printk("\n");
+ printk(KERN_CONT "\n");
}
int is_valid_bugaddr(unsigned long ip)
for (i = 0; i < code_len; i++, ip++) {
if (ip < (u8 *)PAGE_OFFSET ||
probe_kernel_address(ip, c)) {
- printk(" Bad RIP value.");
+ printk(KERN_CONT " Bad RIP value.");
break;
}
if (ip == (u8 *)regs->ip)
- printk("<%02x> ", c);
+ printk(KERN_CONT "<%02x> ", c);
else
- printk("%02x ", c);
+ printk(KERN_CONT "%02x ", c);
}
}
- printk("\n");
+ printk(KERN_CONT "\n");
}
int is_valid_bugaddr(unsigned long ip)
printk(KERN_CONT "(usable)");
break;
case E820_RESERVED:
- case E820_RESERVED_EFI:
printk(KERN_CONT "(reserved)");
break;
case E820_ACPI:
/*
* Find the highest page frame number we have available
*/
-unsigned long __init e820_end_pfn(unsigned long limit_pfn, unsigned type)
+static unsigned long __init e820_end_pfn(unsigned long limit_pfn, unsigned type)
{
int i;
unsigned long last_pfn = 0;
void __init setup_arch(char **cmdline_p)
{
- unsigned long end_pfn;
-
#ifdef CONFIG_X86_32
memcpy(&boot_cpu_data, &new_cpu_data, sizeof(new_cpu_data));
visws_early_detect();
init_gbpages();
/* max_pfn_mapped is updated here */
- end_pfn = max_low_pfn;
-
-#ifdef CONFIG_X86_64
- /*
- * There may be regions after the last E820_RAM region that we
- * want to include in the kernel direct mapping, such as
- * EFI_RUNTIME_SERVICES_DATA.
- */
- if (efi_enabled) {
- unsigned long efi_end;
-
- efi_end = e820_end_pfn(MAXMEM>>PAGE_SHIFT, E820_RESERVED_EFI);
- if (efi_end > max_low_pfn)
- end_pfn = efi_end;
- }
-#endif
-
- max_low_pfn_mapped = init_memory_mapping(0, end_pfn << PAGE_SHIFT);
+ max_low_pfn_mapped = init_memory_mapping(0, max_low_pfn<<PAGE_SHIFT);
max_pfn_mapped = max_low_pfn_mapped;
#ifdef CONFIG_X86_64
break;
}
if (filter[i].jt != 0) {
- if (filter[i].jf)
- t_offset += is_near(f_offset) ? 2 : 6;
+ if (filter[i].jf && f_offset)
+ t_offset += is_near(f_offset) ? 2 : 5;
EMIT_COND_JMP(t_op, t_offset);
if (filter[i].jf)
EMIT_JMP(f_offset);
case EFI_UNUSABLE_MEMORY:
e820_type = E820_UNUSABLE;
break;
- case EFI_RUNTIME_SERVICES_DATA:
- e820_type = E820_RESERVED_EFI;
- break;
default:
/*
* EFI_RESERVED_TYPE EFI_RUNTIME_SERVICES_CODE
- * EFI_MEMORY_MAPPED_IO
+ * EFI_RUNTIME_SERVICES_DATA EFI_MEMORY_MAPPED_IO
* EFI_MEMORY_MAPPED_IO_PORT_SPACE EFI_PAL_CODE
*/
e820_type = E820_RESERVED;
end_pfn = PFN_UP(end);
if (end_pfn <= max_low_pfn_mapped
|| (end_pfn > (1UL << (32 - PAGE_SHIFT))
- && end_pfn <= max_pfn_mapped)) {
+ && end_pfn <= max_pfn_mapped))
va = __va(md->phys_addr);
-
- if (!(md->attribute & EFI_MEMORY_WB)) {
- addr = (u64) (unsigned long)va;
- npages = md->num_pages;
- memrange_efi_to_native(&addr, &npages);
- set_memory_uc(addr, npages);
- }
- } else {
- if (!(md->attribute & EFI_MEMORY_WB))
- va = ioremap_nocache(md->phys_addr, size);
- else
- va = ioremap_cache(md->phys_addr, size);
- }
+ else
+ va = efi_ioremap(md->phys_addr, size, md->type);
md->virt_addr = (u64) (unsigned long) va;
continue;
}
+ if (!(md->attribute & EFI_MEMORY_WB)) {
+ addr = md->virt_addr;
+ npages = md->num_pages;
+ memrange_efi_to_native(&addr, &npages);
+ set_memory_uc(addr, npages);
+ }
+
systab = (u64) (unsigned long) efi_phys.systab;
if (md->phys_addr <= systab && systab < end) {
systab += md->virt_addr - md->phys_addr;
*/
static unsigned long efi_rt_eflags;
-static pgd_t efi_bak_pg_dir_pointer[2];
void efi_call_phys_prelog(void)
{
- unsigned long cr4;
- unsigned long temp;
struct desc_ptr gdt_descr;
local_irq_save(efi_rt_eflags);
- /*
- * If I don't have PAE, I should just duplicate two entries in page
- * directory. If I have PAE, I just need to duplicate one entry in
- * page directory.
- */
- cr4 = read_cr4_safe();
-
- if (cr4 & X86_CR4_PAE) {
- efi_bak_pg_dir_pointer[0].pgd =
- swapper_pg_dir[pgd_index(0)].pgd;
- swapper_pg_dir[0].pgd =
- swapper_pg_dir[pgd_index(PAGE_OFFSET)].pgd;
- } else {
- efi_bak_pg_dir_pointer[0].pgd =
- swapper_pg_dir[pgd_index(0)].pgd;
- efi_bak_pg_dir_pointer[1].pgd =
- swapper_pg_dir[pgd_index(0x400000)].pgd;
- swapper_pg_dir[pgd_index(0)].pgd =
- swapper_pg_dir[pgd_index(PAGE_OFFSET)].pgd;
- temp = PAGE_OFFSET + 0x400000;
- swapper_pg_dir[pgd_index(0x400000)].pgd =
- swapper_pg_dir[pgd_index(temp)].pgd;
- }
-
- /*
- * After the lock is released, the original page table is restored.
- */
+ load_cr3(initial_page_table);
__flush_tlb_all();
gdt_descr.address = __pa(get_cpu_gdt_table(0));
void efi_call_phys_epilog(void)
{
- unsigned long cr4;
struct desc_ptr gdt_descr;
gdt_descr.address = (unsigned long)get_cpu_gdt_table(0);
gdt_descr.size = GDT_SIZE - 1;
load_gdt(&gdt_descr);
- cr4 = read_cr4_safe();
-
- if (cr4 & X86_CR4_PAE) {
- swapper_pg_dir[pgd_index(0)].pgd =
- efi_bak_pg_dir_pointer[0].pgd;
- } else {
- swapper_pg_dir[pgd_index(0)].pgd =
- efi_bak_pg_dir_pointer[0].pgd;
- swapper_pg_dir[pgd_index(0x400000)].pgd =
- efi_bak_pg_dir_pointer[1].pgd;
- }
-
- /*
- * After the lock is released, the original page table is restored.
- */
+ load_cr3(swapper_pg_dir);
__flush_tlb_all();
local_irq_restore(efi_rt_eflags);
local_irq_restore(efi_flags);
early_code_mapping_set_exec(0);
}
+
+void __iomem *__init efi_ioremap(unsigned long phys_addr, unsigned long size,
+ u32 type)
+{
+ unsigned long last_map_pfn;
+
+ if (type == EFI_MEMORY_MAPPED_IO)
+ return ioremap(phys_addr, size);
+
+ last_map_pfn = init_memory_mapping(phys_addr, phys_addr + size);
+ if ((last_map_pfn << PAGE_SHIFT) < phys_addr + size) {
+ unsigned long top = last_map_pfn << PAGE_SHIFT;
+ efi_ioremap(top, size - (top - phys_addr), type);
+ }
+
+ return (void __iomem *)__va(phys_addr);
+}
domid_t domid = DOMID_SELF;
int ret;
- ret = HYPERVISOR_memory_op(XENMEM_maximum_reservation, &domid);
- if (ret > 0)
- max_pages = ret;
+ /*
+ * For the initial domain we use the maximum reservation as
+ * the maximum page.
+ *
+ * For guest domains the current maximum reservation reflects
+ * the current maximum rather than the static maximum. In this
+ * case the e820 map provided to us will cover the static
+ * maximum region.
+ */
+ if (xen_initial_domain()) {
+ ret = HYPERVISOR_memory_op(XENMEM_maximum_reservation, &domid);
+ if (ret > 0)
+ max_pages = ret;
+ }
+
return min(max_pages, MAX_DOMAIN_PAGES);
}
if (drain_all)
blk_throtl_drain(q);
- __blk_run_queue(q);
+ /*
+ * This function might be called on a queue which failed
+ * driver init after queue creation. Some drivers
+ * (e.g. fd) get unhappy in such cases. Kick queue iff
+ * dispatch queue has something on it.
+ */
+ if (!list_empty(&q->queue_head))
+ __blk_run_queue(q);
if (drain_all)
nr_rqs = q->rq.count[0] + q->rq.count[1];
q->backing_dev_info.state = 0;
q->backing_dev_info.capabilities = BDI_CAP_MAP_COPY;
q->backing_dev_info.name = "block";
+ q->node = node_id;
err = bdi_init(&q->backing_dev_info);
if (err) {
if (!uninit_q)
return NULL;
- q = blk_init_allocated_queue_node(uninit_q, rfn, lock, node_id);
+ q = blk_init_allocated_queue(uninit_q, rfn, lock);
if (!q)
blk_cleanup_queue(uninit_q);
struct request_queue *
blk_init_allocated_queue(struct request_queue *q, request_fn_proc *rfn,
spinlock_t *lock)
-{
- return blk_init_allocated_queue_node(q, rfn, lock, -1);
-}
-EXPORT_SYMBOL(blk_init_allocated_queue);
-
-struct request_queue *
-blk_init_allocated_queue_node(struct request_queue *q, request_fn_proc *rfn,
- spinlock_t *lock, int node_id)
{
if (!q)
return NULL;
- q->node = node_id;
if (blk_init_free_list(q))
return NULL;
return NULL;
}
-EXPORT_SYMBOL(blk_init_allocated_queue_node);
+EXPORT_SYMBOL(blk_init_allocated_queue);
int blk_get_queue(struct request_queue *q)
{
}
}
- if (ret)
+ if (ret && ret != -EEXIST)
printk(KERN_ERR "cfq: cic link failed!\n");
return ret;
{
struct io_context *ioc = NULL;
struct cfq_io_context *cic;
+ int ret;
might_sleep_if(gfp_mask & __GFP_WAIT);
if (!ioc)
return NULL;
+retry:
cic = cfq_cic_lookup(cfqd, ioc);
if (cic)
goto out;
if (cic == NULL)
goto err;
- if (cfq_cic_link(cfqd, ioc, cic, gfp_mask))
+ ret = cfq_cic_link(cfqd, ioc, cic, gfp_mask);
+ if (ret == -EEXIST) {
+ /* someone has linked cic to ioc already */
+ cfq_cic_free(cic);
+ goto retry;
+ } else if (ret)
goto err_free;
out:
if (blkio_alloc_blkg_stats(&cfqg->blkg)) {
kfree(cfqg);
+
+ spin_lock(&cic_index_lock);
+ ida_remove(&cic_index_ida, cfqd->cic_index);
+ spin_unlock(&cic_index_lock);
+
kfree(cfqd);
return NULL;
}
config PATA_OF_PLATFORM
tristate "OpenFirmware platform device PATA support"
- depends on PATA_PLATFORM && OF
+ depends on PATA_PLATFORM && OF && OF_IRQ
help
This option enables support for generic directly connected ATA
devices commonly found on embedded systems with OpenFirmware
c->Request.Timeout = 0;
c->Request.CDB[0] = BMIC_WRITE;
c->Request.CDB[6] = BMIC_CACHE_FLUSH;
+ c->Request.CDB[7] = (size >> 8) & 0xFF;
+ c->Request.CDB[8] = size & 0xFF;
break;
case TEST_UNIT_READY:
c->Request.CDBLen = 6;
{
if (h->msix_vector || h->msi_vector) {
if (!request_irq(h->intr[h->intr_mode], msixhandler,
- IRQF_DISABLED, h->devname, h))
+ 0, h->devname, h))
return 0;
dev_err(&h->pdev->dev, "Unable to get msi irq %d"
" for %s\n", h->intr[h->intr_mode],
}
if (!request_irq(h->intr[h->intr_mode], intxhandler,
- IRQF_DISABLED, h->devname, h))
+ IRQF_SHARED, h->devname, h))
return 0;
dev_err(&h->pdev->dev, "Unable to get irq %d for %s\n",
h->intr[h->intr_mode], h->devname);
/*
* We use punch hole to reclaim the free space used by the
- * image a.k.a. discard. However we do support discard if
+ * image a.k.a. discard. However we do not support discard if
* encryption is enabled, because it may give an attacker
* useful information.
*/
}
q->limits.discard_granularity = inode->i_sb->s_blocksize;
- q->limits.discard_alignment = inode->i_sb->s_blocksize;
+ q->limits.discard_alignment = 0;
q->limits.max_discard_sectors = UINT_MAX >> 9;
q->limits.discard_zeroes_data = 1;
queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, q);
static int __rbd_init_snaps_header(struct rbd_device *rbd_dev);
static void rbd_dev_release(struct device *dev);
-static ssize_t rbd_snap_rollback(struct device *dev,
- struct device_attribute *attr,
- const char *buf,
- size_t size);
static ssize_t rbd_snap_add(struct device *dev,
struct device_attribute *attr,
const char *buf,
u32 snap_count = le32_to_cpu(ondisk->snap_count);
int ret = -ENOMEM;
+ if (memcmp(ondisk, RBD_HEADER_TEXT, sizeof(RBD_HEADER_TEXT))) {
+ return -ENXIO;
+ }
+
init_rwsem(&header->snap_rwsem);
header->snap_names_len = le64_to_cpu(ondisk->snap_names_len);
header->snapc = kmalloc(sizeof(struct ceph_snap_context) +
return ret;
}
-/*
- * Request sync osd rollback
- */
-static int rbd_req_sync_rollback_obj(struct rbd_device *dev,
- u64 snapid,
- const char *obj)
-{
- struct ceph_osd_req_op *ops;
- int ret = rbd_create_rw_ops(&ops, 1, CEPH_OSD_OP_ROLLBACK, 0);
- if (ret < 0)
- return ret;
-
- ops[0].snap.snapid = snapid;
-
- ret = rbd_req_sync_op(dev, NULL,
- CEPH_NOSNAP,
- 0,
- CEPH_OSD_FLAG_WRITE | CEPH_OSD_FLAG_ONDISK,
- ops,
- 1, obj, 0, 0, NULL, NULL, NULL);
-
- rbd_destroy_ops(ops);
-
- return ret;
-}
-
/*
* Request sync osd read
*/
goto out_dh;
rc = rbd_header_from_disk(header, dh, snap_count, GFP_KERNEL);
- if (rc < 0)
+ if (rc < 0) {
+ if (rc == -ENXIO) {
+ pr_warning("unrecognized header format"
+ " for image %s", rbd_dev->obj);
+ }
goto out_dh;
+ }
if (snap_count != header->total_snaps) {
snap_count = header->total_snaps;
static DEVICE_ATTR(refresh, S_IWUSR, NULL, rbd_image_refresh);
static DEVICE_ATTR(current_snap, S_IRUGO, rbd_snap_show, NULL);
static DEVICE_ATTR(create_snap, S_IWUSR, NULL, rbd_snap_add);
-static DEVICE_ATTR(rollback_snap, S_IWUSR, NULL, rbd_snap_rollback);
static struct attribute *rbd_attrs[] = {
&dev_attr_size.attr,
&dev_attr_current_snap.attr,
&dev_attr_refresh.attr,
&dev_attr_create_snap.attr,
- &dev_attr_rollback_snap.attr,
NULL
};
return ret;
}
-static ssize_t rbd_snap_rollback(struct device *dev,
- struct device_attribute *attr,
- const char *buf,
- size_t count)
-{
- struct rbd_device *rbd_dev = dev_to_rbd(dev);
- int ret;
- u64 snapid;
- u64 cur_ofs;
- char *seg_name = NULL;
- char *snap_name = kmalloc(count + 1, GFP_KERNEL);
- ret = -ENOMEM;
- if (!snap_name)
- return ret;
-
- /* parse snaps add command */
- snprintf(snap_name, count, "%s", buf);
- seg_name = kmalloc(RBD_MAX_SEG_NAME_LEN + 1, GFP_NOIO);
- if (!seg_name)
- goto done;
-
- mutex_lock_nested(&ctl_mutex, SINGLE_DEPTH_NESTING);
-
- ret = snap_by_name(&rbd_dev->header, snap_name, &snapid, NULL);
- if (ret < 0)
- goto done_unlock;
-
- dout("snapid=%lld\n", snapid);
-
- cur_ofs = 0;
- while (cur_ofs < rbd_dev->header.image_size) {
- cur_ofs += rbd_get_segment(&rbd_dev->header,
- rbd_dev->obj,
- cur_ofs, (u64)-1,
- seg_name, NULL);
- dout("seg_name=%s\n", seg_name);
-
- ret = rbd_req_sync_rollback_obj(rbd_dev, snapid, seg_name);
- if (ret < 0)
- pr_warning("could not roll back obj %s err=%d\n",
- seg_name, ret);
- }
-
- ret = __rbd_update_snaps(rbd_dev);
- if (ret < 0)
- goto done_unlock;
-
- ret = count;
-
-done_unlock:
- mutex_unlock(&ctl_mutex);
-done:
- kfree(seg_name);
- kfree(snap_name);
-
- return ret;
-}
-
static struct bus_attribute rbd_bus_attrs[] = {
__ATTR(add, S_IWUSR, NULL, rbd_add),
__ATTR(remove, S_IWUSR, NULL, rbd_remove),
* handle GCR disks
*/
+#undef DEBUG
+
#include <linux/stddef.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <asm/machdep.h>
#include <asm/pmac_feature.h>
-static DEFINE_MUTEX(swim3_mutex);
-static struct request_queue *swim3_queue;
-static struct gendisk *disks[2];
-static struct request *fd_req;
-
#define MAX_FLOPPIES 2
+static DEFINE_MUTEX(swim3_mutex);
+static struct gendisk *disks[MAX_FLOPPIES];
+
enum swim_state {
idle,
locating,
struct floppy_state {
enum swim_state state;
- spinlock_t lock;
struct swim3 __iomem *swim3; /* hardware registers */
struct dbdma_regs __iomem *dma; /* DMA controller registers */
int swim3_intr; /* interrupt number for SWIM3 */
int wanted;
struct macio_dev *mdev;
char dbdma_cmd_space[5 * sizeof(struct dbdma_cmd)];
+ int index;
+ struct request *cur_req;
};
+#define swim3_err(fmt, arg...) dev_err(&fs->mdev->ofdev.dev, "[fd%d] " fmt, fs->index, arg)
+#define swim3_warn(fmt, arg...) dev_warn(&fs->mdev->ofdev.dev, "[fd%d] " fmt, fs->index, arg)
+#define swim3_info(fmt, arg...) dev_info(&fs->mdev->ofdev.dev, "[fd%d] " fmt, fs->index, arg)
+
+#ifdef DEBUG
+#define swim3_dbg(fmt, arg...) dev_dbg(&fs->mdev->ofdev.dev, "[fd%d] " fmt, fs->index, arg)
+#else
+#define swim3_dbg(fmt, arg...) do { } while(0)
+#endif
+
static struct floppy_state floppy_states[MAX_FLOPPIES];
static int floppy_count = 0;
static DEFINE_SPINLOCK(swim3_lock);
0, 0, 0, 0, 0, 0
};
-static void swim3_select(struct floppy_state *fs, int sel);
-static void swim3_action(struct floppy_state *fs, int action);
-static int swim3_readbit(struct floppy_state *fs, int bit);
-static void do_fd_request(struct request_queue * q);
-static void start_request(struct floppy_state *fs);
-static void set_timeout(struct floppy_state *fs, int nticks,
- void (*proc)(unsigned long));
-static void scan_track(struct floppy_state *fs);
static void seek_track(struct floppy_state *fs, int n);
static void init_dma(struct dbdma_cmd *cp, int cmd, void *buf, int count);
-static void setup_transfer(struct floppy_state *fs);
static void act(struct floppy_state *fs);
static void scan_timeout(unsigned long data);
static void seek_timeout(unsigned long data);
unsigned int clearing);
static int floppy_revalidate(struct gendisk *disk);
-static bool swim3_end_request(int err, unsigned int nr_bytes)
+static bool swim3_end_request(struct floppy_state *fs, int err, unsigned int nr_bytes)
{
- if (__blk_end_request(fd_req, err, nr_bytes))
- return true;
+ struct request *req = fs->cur_req;
+ int rc;
- fd_req = NULL;
- return false;
-}
+ swim3_dbg(" end request, err=%d nr_bytes=%d, cur_req=%p\n",
+ err, nr_bytes, req);
-static bool swim3_end_request_cur(int err)
-{
- return swim3_end_request(err, blk_rq_cur_bytes(fd_req));
+ if (err)
+ nr_bytes = blk_rq_cur_bytes(req);
+ rc = __blk_end_request(req, err, nr_bytes);
+ if (rc)
+ return true;
+ fs->cur_req = NULL;
+ return false;
}
static void swim3_select(struct floppy_state *fs, int sel)
return (stat & DATA) == 0;
}
-static void do_fd_request(struct request_queue * q)
-{
- int i;
-
- for(i=0; i<floppy_count; i++) {
- struct floppy_state *fs = &floppy_states[i];
- if (fs->mdev->media_bay &&
- check_media_bay(fs->mdev->media_bay) != MB_FD)
- continue;
- start_request(fs);
- }
-}
-
static void start_request(struct floppy_state *fs)
{
struct request *req;
unsigned long x;
+ swim3_dbg("start request, initial state=%d\n", fs->state);
+
if (fs->state == idle && fs->wanted) {
fs->state = available;
wake_up(&fs->wait);
return;
}
while (fs->state == idle) {
- if (!fd_req) {
- fd_req = blk_fetch_request(swim3_queue);
- if (!fd_req)
+ swim3_dbg("start request, idle loop, cur_req=%p\n", fs->cur_req);
+ if (!fs->cur_req) {
+ fs->cur_req = blk_fetch_request(disks[fs->index]->queue);
+ swim3_dbg(" fetched request %p\n", fs->cur_req);
+ if (!fs->cur_req)
break;
}
- req = fd_req;
-#if 0
- printk("do_fd_req: dev=%s cmd=%d sec=%ld nr_sec=%u buf=%p\n",
- req->rq_disk->disk_name, req->cmd,
- (long)blk_rq_pos(req), blk_rq_sectors(req), req->buffer);
- printk(" errors=%d current_nr_sectors=%u\n",
- req->errors, blk_rq_cur_sectors(req));
+ req = fs->cur_req;
+
+ if (fs->mdev->media_bay &&
+ check_media_bay(fs->mdev->media_bay) != MB_FD) {
+ swim3_dbg("%s", " media bay absent, dropping req\n");
+ swim3_end_request(fs, -ENODEV, 0);
+ continue;
+ }
+
+#if 0 /* This is really too verbose */
+ swim3_dbg("do_fd_req: dev=%s cmd=%d sec=%ld nr_sec=%u buf=%p\n",
+ req->rq_disk->disk_name, req->cmd,
+ (long)blk_rq_pos(req), blk_rq_sectors(req),
+ req->buffer);
+ swim3_dbg(" errors=%d current_nr_sectors=%u\n",
+ req->errors, blk_rq_cur_sectors(req));
#endif
if (blk_rq_pos(req) >= fs->total_secs) {
- swim3_end_request_cur(-EIO);
+ swim3_dbg(" pos out of bounds (%ld, max is %ld)\n",
+ (long)blk_rq_pos(req), (long)fs->total_secs);
+ swim3_end_request(fs, -EIO, 0);
continue;
}
if (fs->ejected) {
- swim3_end_request_cur(-EIO);
+ swim3_dbg("%s", " disk ejected\n");
+ swim3_end_request(fs, -EIO, 0);
continue;
}
if (fs->write_prot < 0)
fs->write_prot = swim3_readbit(fs, WRITE_PROT);
if (fs->write_prot) {
- swim3_end_request_cur(-EIO);
+ swim3_dbg("%s", " try to write, disk write protected\n");
+ swim3_end_request(fs, -EIO, 0);
continue;
}
}
x = ((long)blk_rq_pos(req)) % fs->secpercyl;
fs->head = x / fs->secpertrack;
fs->req_sector = x % fs->secpertrack + 1;
- fd_req = req;
fs->state = do_transfer;
fs->retries = 0;
}
}
+static void do_fd_request(struct request_queue * q)
+{
+ start_request(q->queuedata);
+}
+
static void set_timeout(struct floppy_state *fs, int nticks,
void (*proc)(unsigned long))
{
- unsigned long flags;
-
- spin_lock_irqsave(&fs->lock, flags);
if (fs->timeout_pending)
del_timer(&fs->timeout);
fs->timeout.expires = jiffies + nticks;
fs->timeout.data = (unsigned long) fs;
add_timer(&fs->timeout);
fs->timeout_pending = 1;
- spin_unlock_irqrestore(&fs->lock, flags);
}
static inline void scan_track(struct floppy_state *fs)
struct swim3 __iomem *sw = fs->swim3;
struct dbdma_cmd *cp = fs->dma_cmd;
struct dbdma_regs __iomem *dr = fs->dma;
+ struct request *req = fs->cur_req;
- if (blk_rq_cur_sectors(fd_req) <= 0) {
- printk(KERN_ERR "swim3: transfer 0 sectors?\n");
+ if (blk_rq_cur_sectors(req) <= 0) {
+ swim3_warn("%s", "Transfer 0 sectors ?\n");
return;
}
- if (rq_data_dir(fd_req) == WRITE)
+ if (rq_data_dir(req) == WRITE)
n = 1;
else {
n = fs->secpertrack - fs->req_sector + 1;
- if (n > blk_rq_cur_sectors(fd_req))
- n = blk_rq_cur_sectors(fd_req);
+ if (n > blk_rq_cur_sectors(req))
+ n = blk_rq_cur_sectors(req);
}
+
+ swim3_dbg(" setup xfer at sect %d (of %d) head %d for %d\n",
+ fs->req_sector, fs->secpertrack, fs->head, n);
+
fs->scount = n;
swim3_select(fs, fs->head? READ_DATA_1: READ_DATA_0);
out_8(&sw->sector, fs->req_sector);
out_8(&sw->nsect, n);
out_8(&sw->gap3, 0);
out_le32(&dr->cmdptr, virt_to_bus(cp));
- if (rq_data_dir(fd_req) == WRITE) {
+ if (rq_data_dir(req) == WRITE) {
/* Set up 3 dma commands: write preamble, data, postamble */
init_dma(cp, OUTPUT_MORE, write_preamble, sizeof(write_preamble));
++cp;
- init_dma(cp, OUTPUT_MORE, fd_req->buffer, 512);
+ init_dma(cp, OUTPUT_MORE, req->buffer, 512);
++cp;
init_dma(cp, OUTPUT_LAST, write_postamble, sizeof(write_postamble));
} else {
- init_dma(cp, INPUT_LAST, fd_req->buffer, n * 512);
+ init_dma(cp, INPUT_LAST, req->buffer, n * 512);
}
++cp;
out_le16(&cp->command, DBDMA_STOP);
out_8(&sw->control_bic, DO_ACTION | WRITE_SECTORS);
in_8(&sw->error);
out_8(&sw->control_bic, DO_ACTION | WRITE_SECTORS);
- if (rq_data_dir(fd_req) == WRITE)
+ if (rq_data_dir(req) == WRITE)
out_8(&sw->control_bis, WRITE_SECTORS);
in_8(&sw->intr);
out_le32(&dr->control, (RUN << 16) | RUN);
static void act(struct floppy_state *fs)
{
for (;;) {
+ swim3_dbg(" act loop, state=%d, req_cyl=%d, cur_cyl=%d\n",
+ fs->state, fs->req_cyl, fs->cur_cyl);
+
switch (fs->state) {
case idle:
return; /* XXX shouldn't get here */
case locating:
if (swim3_readbit(fs, TRACK_ZERO)) {
+ swim3_dbg("%s", " locate track 0\n");
fs->cur_cyl = 0;
if (fs->req_cyl == 0)
fs->state = do_transfer;
break;
}
if (fs->req_cyl == fs->cur_cyl) {
- printk("whoops, seeking 0\n");
+ swim3_warn("%s", "Whoops, seeking 0\n");
fs->state = do_transfer;
break;
}
case do_transfer:
if (fs->cur_cyl != fs->req_cyl) {
if (fs->retries > 5) {
- swim3_end_request_cur(-EIO);
+ swim3_err("Wrong cylinder in transfer, want: %d got %d\n",
+ fs->req_cyl, fs->cur_cyl);
+ swim3_end_request(fs, -EIO, 0);
fs->state = idle;
return;
}
return;
default:
- printk(KERN_ERR"swim3: unknown state %d\n", fs->state);
+ swim3_err("Unknown state %d\n", fs->state);
return;
}
}
{
struct floppy_state *fs = (struct floppy_state *) data;
struct swim3 __iomem *sw = fs->swim3;
+ unsigned long flags;
+
+ swim3_dbg("* scan timeout, state=%d\n", fs->state);
+ spin_lock_irqsave(&swim3_lock, flags);
fs->timeout_pending = 0;
out_8(&sw->control_bic, DO_ACTION | WRITE_SECTORS);
out_8(&sw->select, RELAX);
out_8(&sw->intr_enable, 0);
fs->cur_cyl = -1;
if (fs->retries > 5) {
- swim3_end_request_cur(-EIO);
+ swim3_end_request(fs, -EIO, 0);
fs->state = idle;
start_request(fs);
} else {
fs->state = jogging;
act(fs);
}
+ spin_unlock_irqrestore(&swim3_lock, flags);
}
static void seek_timeout(unsigned long data)
{
struct floppy_state *fs = (struct floppy_state *) data;
struct swim3 __iomem *sw = fs->swim3;
+ unsigned long flags;
+
+ swim3_dbg("* seek timeout, state=%d\n", fs->state);
+ spin_lock_irqsave(&swim3_lock, flags);
fs->timeout_pending = 0;
out_8(&sw->control_bic, DO_SEEK);
out_8(&sw->select, RELAX);
out_8(&sw->intr_enable, 0);
- printk(KERN_ERR "swim3: seek timeout\n");
- swim3_end_request_cur(-EIO);
+ swim3_err("%s", "Seek timeout\n");
+ swim3_end_request(fs, -EIO, 0);
fs->state = idle;
start_request(fs);
+ spin_unlock_irqrestore(&swim3_lock, flags);
}
static void settle_timeout(unsigned long data)
{
struct floppy_state *fs = (struct floppy_state *) data;
struct swim3 __iomem *sw = fs->swim3;
+ unsigned long flags;
+
+ swim3_dbg("* settle timeout, state=%d\n", fs->state);
+ spin_lock_irqsave(&swim3_lock, flags);
fs->timeout_pending = 0;
if (swim3_readbit(fs, SEEK_COMPLETE)) {
out_8(&sw->select, RELAX);
fs->state = locating;
act(fs);
- return;
+ goto unlock;
}
out_8(&sw->select, RELAX);
if (fs->settle_time < 2*HZ) {
++fs->settle_time;
set_timeout(fs, 1, settle_timeout);
- return;
+ goto unlock;
}
- printk(KERN_ERR "swim3: seek settle timeout\n");
- swim3_end_request_cur(-EIO);
+ swim3_err("%s", "Seek settle timeout\n");
+ swim3_end_request(fs, -EIO, 0);
fs->state = idle;
start_request(fs);
+ unlock:
+ spin_unlock_irqrestore(&swim3_lock, flags);
}
static void xfer_timeout(unsigned long data)
struct floppy_state *fs = (struct floppy_state *) data;
struct swim3 __iomem *sw = fs->swim3;
struct dbdma_regs __iomem *dr = fs->dma;
+ unsigned long flags;
int n;
+ swim3_dbg("* xfer timeout, state=%d\n", fs->state);
+
+ spin_lock_irqsave(&swim3_lock, flags);
fs->timeout_pending = 0;
out_le32(&dr->control, RUN << 16);
/* We must wait a bit for dbdma to stop */
out_8(&sw->intr_enable, 0);
out_8(&sw->control_bic, WRITE_SECTORS | DO_ACTION);
out_8(&sw->select, RELAX);
- printk(KERN_ERR "swim3: timeout %sing sector %ld\n",
- (rq_data_dir(fd_req)==WRITE? "writ": "read"),
- (long)blk_rq_pos(fd_req));
- swim3_end_request_cur(-EIO);
+ swim3_err("Timeout %sing sector %ld\n",
+ (rq_data_dir(fs->cur_req)==WRITE? "writ": "read"),
+ (long)blk_rq_pos(fs->cur_req));
+ swim3_end_request(fs, -EIO, 0);
fs->state = idle;
start_request(fs);
+ spin_unlock_irqrestore(&swim3_lock, flags);
}
static irqreturn_t swim3_interrupt(int irq, void *dev_id)
int stat, resid;
struct dbdma_regs __iomem *dr;
struct dbdma_cmd *cp;
+ unsigned long flags;
+ struct request *req = fs->cur_req;
+
+ swim3_dbg("* interrupt, state=%d\n", fs->state);
+ spin_lock_irqsave(&swim3_lock, flags);
intr = in_8(&sw->intr);
err = (intr & ERROR_INTR)? in_8(&sw->error): 0;
if ((intr & ERROR_INTR) && fs->state != do_transfer)
- printk(KERN_ERR "swim3_interrupt, state=%d, dir=%x, intr=%x, err=%x\n",
- fs->state, rq_data_dir(fd_req), intr, err);
+ swim3_err("Non-transfer error interrupt: state=%d, dir=%x, intr=%x, err=%x\n",
+ fs->state, rq_data_dir(req), intr, err);
switch (fs->state) {
case locating:
if (intr & SEEN_SECTOR) {
del_timer(&fs->timeout);
fs->timeout_pending = 0;
if (sw->ctrack == 0xff) {
- printk(KERN_ERR "swim3: seen sector but cyl=ff?\n");
+ swim3_err("%s", "Seen sector but cyl=ff?\n");
fs->cur_cyl = -1;
if (fs->retries > 5) {
- swim3_end_request_cur(-EIO);
+ swim3_end_request(fs, -EIO, 0);
fs->state = idle;
start_request(fs);
} else {
fs->cur_cyl = sw->ctrack;
fs->cur_sector = sw->csect;
if (fs->expect_cyl != -1 && fs->expect_cyl != fs->cur_cyl)
- printk(KERN_ERR "swim3: expected cyl %d, got %d\n",
- fs->expect_cyl, fs->cur_cyl);
+ swim3_err("Expected cyl %d, got %d\n",
+ fs->expect_cyl, fs->cur_cyl);
fs->state = do_transfer;
act(fs);
}
fs->timeout_pending = 0;
dr = fs->dma;
cp = fs->dma_cmd;
- if (rq_data_dir(fd_req) == WRITE)
+ if (rq_data_dir(req) == WRITE)
++cp;
/*
* Check that the main data transfer has finished.
if (intr & ERROR_INTR) {
n = fs->scount - 1 - resid / 512;
if (n > 0) {
- blk_update_request(fd_req, 0, n << 9);
+ blk_update_request(req, 0, n << 9);
fs->req_sector += n;
}
if (fs->retries < 5) {
++fs->retries;
act(fs);
} else {
- printk("swim3: error %sing block %ld (err=%x)\n",
- rq_data_dir(fd_req) == WRITE? "writ": "read",
- (long)blk_rq_pos(fd_req), err);
- swim3_end_request_cur(-EIO);
+ swim3_err("Error %sing block %ld (err=%x)\n",
+ rq_data_dir(req) == WRITE? "writ": "read",
+ (long)blk_rq_pos(req), err);
+ swim3_end_request(fs, -EIO, 0);
fs->state = idle;
}
} else {
if ((stat & ACTIVE) == 0 || resid != 0) {
/* musta been an error */
- printk(KERN_ERR "swim3: fd dma: stat=%x resid=%d\n", stat, resid);
- printk(KERN_ERR " state=%d, dir=%x, intr=%x, err=%x\n",
- fs->state, rq_data_dir(fd_req), intr, err);
- swim3_end_request_cur(-EIO);
+ swim3_err("fd dma error: stat=%x resid=%d\n", stat, resid);
+ swim3_err(" state=%d, dir=%x, intr=%x, err=%x\n",
+ fs->state, rq_data_dir(req), intr, err);
+ swim3_end_request(fs, -EIO, 0);
fs->state = idle;
start_request(fs);
break;
}
- if (swim3_end_request(0, fs->scount << 9)) {
+ fs->retries = 0;
+ if (swim3_end_request(fs, 0, fs->scount << 9)) {
fs->req_sector += fs->scount;
if (fs->req_sector > fs->secpertrack) {
fs->req_sector -= fs->secpertrack;
start_request(fs);
break;
default:
- printk(KERN_ERR "swim3: don't know what to do in state %d\n", fs->state);
+ swim3_err("Don't know what to do in state %d\n", fs->state);
}
+ spin_unlock_irqrestore(&swim3_lock, flags);
return IRQ_HANDLED;
}
}
*/
+/* Called under the mutex to grab exclusive access to a drive */
static int grab_drive(struct floppy_state *fs, enum swim_state state,
int interruptible)
{
unsigned long flags;
- spin_lock_irqsave(&fs->lock, flags);
- if (fs->state != idle) {
+ swim3_dbg("%s", "-> grab drive\n");
+
+ spin_lock_irqsave(&swim3_lock, flags);
+ if (fs->state != idle && fs->state != available) {
++fs->wanted;
while (fs->state != available) {
+ spin_unlock_irqrestore(&swim3_lock, flags);
if (interruptible && signal_pending(current)) {
--fs->wanted;
- spin_unlock_irqrestore(&fs->lock, flags);
return -EINTR;
}
interruptible_sleep_on(&fs->wait);
+ spin_lock_irqsave(&swim3_lock, flags);
}
--fs->wanted;
}
fs->state = state;
- spin_unlock_irqrestore(&fs->lock, flags);
+ spin_unlock_irqrestore(&swim3_lock, flags);
+
return 0;
}
{
unsigned long flags;
- spin_lock_irqsave(&fs->lock, flags);
+ swim3_dbg("%s", "-> release drive\n");
+
+ spin_lock_irqsave(&swim3_lock, flags);
fs->state = idle;
start_request(fs);
- spin_unlock_irqrestore(&fs->lock, flags);
+ spin_unlock_irqrestore(&swim3_lock, flags);
}
static int fd_eject(struct floppy_state *fs)
{
struct floppy_state *fs = disk->private_data;
struct swim3 __iomem *sw = fs->swim3;
+
mutex_lock(&swim3_mutex);
if (fs->ref_count > 0 && --fs->ref_count == 0) {
swim3_action(fs, MOTOR_OFF);
.revalidate_disk= floppy_revalidate,
};
+static void swim3_mb_event(struct macio_dev* mdev, int mb_state)
+{
+ struct floppy_state *fs = macio_get_drvdata(mdev);
+ struct swim3 __iomem *sw = fs->swim3;
+
+ if (!fs)
+ return;
+ if (mb_state != MB_FD)
+ return;
+
+ /* Clear state */
+ out_8(&sw->intr_enable, 0);
+ in_8(&sw->intr);
+ in_8(&sw->error);
+}
+
static int swim3_add_device(struct macio_dev *mdev, int index)
{
struct device_node *swim = mdev->ofdev.dev.of_node;
struct floppy_state *fs = &floppy_states[index];
int rc = -EBUSY;
+ /* Do this first for message macros */
+ memset(fs, 0, sizeof(*fs));
+ fs->mdev = mdev;
+ fs->index = index;
+
/* Check & Request resources */
if (macio_resource_count(mdev) < 2) {
- printk(KERN_WARNING "ifd%d: no address for %s\n",
- index, swim->full_name);
+ swim3_err("%s", "No address in device-tree\n");
return -ENXIO;
}
- if (macio_irq_count(mdev) < 2) {
- printk(KERN_WARNING "fd%d: no intrs for device %s\n",
- index, swim->full_name);
+ if (macio_irq_count(mdev) < 1) {
+ swim3_err("%s", "No interrupt in device-tree\n");
+ return -ENXIO;
}
if (macio_request_resource(mdev, 0, "swim3 (mmio)")) {
- printk(KERN_ERR "fd%d: can't request mmio resource for %s\n",
- index, swim->full_name);
+ swim3_err("%s", "Can't request mmio resource\n");
return -EBUSY;
}
if (macio_request_resource(mdev, 1, "swim3 (dma)")) {
- printk(KERN_ERR "fd%d: can't request dma resource for %s\n",
- index, swim->full_name);
+ swim3_err("%s", "Can't request dma resource\n");
macio_release_resource(mdev, 0);
return -EBUSY;
}
if (mdev->media_bay == NULL)
pmac_call_feature(PMAC_FTR_SWIM3_ENABLE, swim, 0, 1);
- memset(fs, 0, sizeof(*fs));
- spin_lock_init(&fs->lock);
fs->state = idle;
fs->swim3 = (struct swim3 __iomem *)
ioremap(macio_resource_start(mdev, 0), 0x200);
if (fs->swim3 == NULL) {
- printk("fd%d: couldn't map registers for %s\n",
- index, swim->full_name);
+ swim3_err("%s", "Couldn't map mmio registers\n");
rc = -ENOMEM;
goto out_release;
}
fs->dma = (struct dbdma_regs __iomem *)
ioremap(macio_resource_start(mdev, 1), 0x200);
if (fs->dma == NULL) {
- printk("fd%d: couldn't map DMA for %s\n",
- index, swim->full_name);
+ swim3_err("%s", "Couldn't map dma registers\n");
iounmap(fs->swim3);
rc = -ENOMEM;
goto out_release;
fs->secpercyl = 36;
fs->secpertrack = 18;
fs->total_secs = 2880;
- fs->mdev = mdev;
init_waitqueue_head(&fs->wait);
fs->dma_cmd = (struct dbdma_cmd *) DBDMA_ALIGN(fs->dbdma_cmd_space);
memset(fs->dma_cmd, 0, 2 * sizeof(struct dbdma_cmd));
st_le16(&fs->dma_cmd[1].command, DBDMA_STOP);
+ if (mdev->media_bay == NULL || check_media_bay(mdev->media_bay) == MB_FD)
+ swim3_mb_event(mdev, MB_FD);
+
if (request_irq(fs->swim3_intr, swim3_interrupt, 0, "SWIM3", fs)) {
- printk(KERN_ERR "fd%d: couldn't request irq %d for %s\n",
- index, fs->swim3_intr, swim->full_name);
+ swim3_err("%s", "Couldn't request interrupt\n");
pmac_call_feature(PMAC_FTR_SWIM3_ENABLE, swim, 0, 0);
goto out_unmap;
return -EBUSY;
}
-/*
- if (request_irq(fs->dma_intr, fd_dma_interrupt, 0, "SWIM3-dma", fs)) {
- printk(KERN_ERR "Couldn't get irq %d for SWIM3 DMA",
- fs->dma_intr);
- return -EBUSY;
- }
-*/
init_timer(&fs->timeout);
- printk(KERN_INFO "fd%d: SWIM3 floppy controller %s\n", floppy_count,
+ swim3_info("SWIM3 floppy controller %s\n",
mdev->media_bay ? "in media bay" : "");
return 0;
static int __devinit swim3_attach(struct macio_dev *mdev, const struct of_device_id *match)
{
- int i, rc;
struct gendisk *disk;
+ int index, rc;
+
+ index = floppy_count++;
+ if (index >= MAX_FLOPPIES)
+ return -ENXIO;
/* Add the drive */
- rc = swim3_add_device(mdev, floppy_count);
+ rc = swim3_add_device(mdev, index);
if (rc)
return rc;
+ /* Now register that disk. Same comment about failure handling */
+ disk = disks[index] = alloc_disk(1);
+ if (disk == NULL)
+ return -ENOMEM;
+ disk->queue = blk_init_queue(do_fd_request, &swim3_lock);
+ if (disk->queue == NULL) {
+ put_disk(disk);
+ return -ENOMEM;
+ }
+ disk->queue->queuedata = &floppy_states[index];
- /* Now create the queue if not there yet */
- if (swim3_queue == NULL) {
+ if (index == 0) {
/* If we failed, there isn't much we can do as the driver is still
* too dumb to remove the device, just bail out
*/
if (register_blkdev(FLOPPY_MAJOR, "fd"))
return 0;
- swim3_queue = blk_init_queue(do_fd_request, &swim3_lock);
- if (swim3_queue == NULL) {
- unregister_blkdev(FLOPPY_MAJOR, "fd");
- return 0;
- }
}
- /* Now register that disk. Same comment about failure handling */
- i = floppy_count++;
- disk = disks[i] = alloc_disk(1);
- if (disk == NULL)
- return 0;
-
disk->major = FLOPPY_MAJOR;
- disk->first_minor = i;
+ disk->first_minor = index;
disk->fops = &floppy_fops;
- disk->private_data = &floppy_states[i];
- disk->queue = swim3_queue;
+ disk->private_data = &floppy_states[index];
disk->flags |= GENHD_FL_REMOVABLE;
- sprintf(disk->disk_name, "fd%d", i);
+ sprintf(disk->disk_name, "fd%d", index);
set_capacity(disk, 2880);
add_disk(disk);
.of_match_table = swim3_match,
},
.probe = swim3_attach,
+#ifdef CONFIG_PMAC_MEDIABAY
+ .mediabay_event = swim3_mb_event,
+#endif
#if 0
.suspend = swim3_suspend,
.resume = swim3_resume,
The core driver to support Marvell Bluetooth devices.
This driver is required if you want to support
- Marvell Bluetooth devices, such as 8688/8787.
+ Marvell Bluetooth devices, such as 8688/8787/8797.
Say Y here to compile Marvell Bluetooth driver
into the kernel or say M to compile it as module.
The driver for Marvell Bluetooth chipsets with SDIO interface.
This driver is required if you want to use Marvell Bluetooth
- devices with SDIO interface. Currently SD8688/SD8787 chipsets are
- supported.
+ devices with SDIO interface. Currently SD8688/SD8787/SD8797
+ chipsets are supported.
Say Y here to compile support for Marvell BT-over-SDIO driver
into the kernel or say M to compile it as module.
.io_port_1 = 0x01,
.io_port_2 = 0x02,
};
-static const struct btmrvl_sdio_card_reg btmrvl_reg_8787 = {
+static const struct btmrvl_sdio_card_reg btmrvl_reg_87xx = {
.cfg = 0x00,
.host_int_mask = 0x02,
.host_intstatus = 0x03,
static const struct btmrvl_sdio_device btmrvl_sdio_sd8787 = {
.helper = NULL,
.firmware = "mrvl/sd8787_uapsta.bin",
- .reg = &btmrvl_reg_8787,
+ .reg = &btmrvl_reg_87xx,
+ .sd_blksz_fw_dl = 256,
+};
+
+static const struct btmrvl_sdio_device btmrvl_sdio_sd8797 = {
+ .helper = NULL,
+ .firmware = "mrvl/sd8797_uapsta.bin",
+ .reg = &btmrvl_reg_87xx,
.sd_blksz_fw_dl = 256,
};
/* Marvell SD8787 Bluetooth device */
{ SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x911A),
.driver_data = (unsigned long) &btmrvl_sdio_sd8787 },
+ /* Marvell SD8797 Bluetooth device */
+ { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x912A),
+ .driver_data = (unsigned long) &btmrvl_sdio_sd8797 },
{ } /* Terminating entry */
};
MODULE_FIRMWARE("sd8688_helper.bin");
MODULE_FIRMWARE("sd8688.bin");
MODULE_FIRMWARE("mrvl/sd8787_uapsta.bin");
+MODULE_FIRMWARE("mrvl/sd8797_uapsta.bin");
usb_mark_last_busy(data->udev);
}
- usb_free_urb(urb);
-
done:
+ usb_free_urb(urb);
return err;
}
#define IPMI_WDOG_SET_TIMER 0x24
#define IPMI_WDOG_GET_TIMER 0x25
+#define IPMI_WDOG_TIMER_NOT_INIT_RESP 0x80
+
/* These are here until the real ones get into the watchdog.h interface. */
#ifndef WDIOC_GETTIMEOUT
#define WDIOC_GETTIMEOUT _IOW(WATCHDOG_IOCTL_BASE, 20, int)
struct kernel_ipmi_msg msg;
int rv;
struct ipmi_system_interface_addr addr;
+ int timeout_retries = 0;
if (ipmi_ignore_heartbeat)
return 0;
mutex_lock(&heartbeat_lock);
+restart:
atomic_set(&heartbeat_tofree, 2);
/*
/* Wait for the heartbeat to be sent. */
wait_for_completion(&heartbeat_wait);
- if (heartbeat_recv_msg.msg.data[0] != 0) {
+ if (heartbeat_recv_msg.msg.data[0] == IPMI_WDOG_TIMER_NOT_INIT_RESP) {
+ timeout_retries++;
+ if (timeout_retries > 3) {
+ printk(KERN_ERR PFX ": Unable to restore the IPMI"
+ " watchdog's settings, giving up.\n");
+ rv = -EIO;
+ goto out_unlock;
+ }
+
+ /*
+ * The timer was not initialized, that means the BMC was
+ * probably reset and lost the watchdog information. Attempt
+ * to restore the timer's info. Note that we still hold
+ * the heartbeat lock, to keep a heartbeat from happening
+ * in this process, so must say no heartbeat to avoid a
+ * deadlock on this mutex.
+ */
+ rv = ipmi_set_timeout(IPMI_SET_TIMEOUT_NO_HB);
+ if (rv) {
+ printk(KERN_ERR PFX ": Unable to send the command to"
+ " set the watchdog's settings, giving up.\n");
+ goto out_unlock;
+ }
+
+ /* We might need a new heartbeat, so do it now */
+ goto restart;
+ } else if (heartbeat_recv_msg.msg.data[0] != 0) {
/*
* Got an error in the heartbeat response. It was already
* reported in ipmi_wdog_msg_handler, but we should return
rv = -EINVAL;
}
+out_unlock:
mutex_unlock(&heartbeat_lock);
return rv;
static void ipmi_wdog_msg_handler(struct ipmi_recv_msg *msg,
void *handler_data)
{
- if (msg->msg.data[0] != 0) {
+ if (msg->msg.cmd == IPMI_WDOG_RESET_TIMER &&
+ msg->msg.data[0] == IPMI_WDOG_TIMER_NOT_INIT_RESP)
+ printk(KERN_INFO PFX "response: The IPMI controller appears"
+ " to have been reset, will attempt to reinitialize"
+ " the watchdog timer\n");
+ else if (msg->msg.data[0] != 0)
printk(KERN_ERR PFX "response: Error %x on cmd %x\n",
msg->msg.data[0],
msg->msg.cmd);
- }
ipmi_free_recv_msg(msg);
}
ibft_cleanup();
}
+#ifdef CONFIG_ACPI
+static const struct {
+ char *sign;
+} ibft_signs[] = {
+ /*
+ * One spec says "IBFT", the other says "iBFT". We have to check
+ * for both.
+ */
+ { ACPI_SIG_IBFT },
+ { "iBFT" },
+};
+
+static void __init acpi_find_ibft_region(void)
+{
+ int i;
+ struct acpi_table_header *table = NULL;
+
+ if (acpi_disabled)
+ return;
+
+ for (i = 0; i < ARRAY_SIZE(ibft_signs) && !ibft_addr; i++) {
+ acpi_get_table(ibft_signs[i].sign, 0, &table);
+ ibft_addr = (struct acpi_table_ibft *)table;
+ }
+}
+#else
+static void __init acpi_find_ibft_region(void)
+{
+}
+#endif
+
/*
* ibft_init() - creates sysfs tree entries for the iBFT data.
*/
{
int rc = 0;
+ /*
+ As on UEFI systems the setup_arch()/find_ibft_region()
+ is called before ACPI tables are parsed and it only does
+ legacy finding.
+ */
+ if (!ibft_addr)
+ acpi_find_ibft_region();
+
if (ibft_addr) {
- printk(KERN_INFO "iBFT detected at 0x%llx.\n",
- (u64)isa_virt_to_bus(ibft_addr));
+ pr_info("iBFT detected.\n");
rc = ibft_check_device();
if (rc)
static const struct {
char *sign;
} ibft_signs[] = {
-#ifdef CONFIG_ACPI
- /*
- * One spec says "IBFT", the other says "iBFT". We have to check
- * for both.
- */
- { ACPI_SIG_IBFT },
-#endif
{ "iBFT" },
{ "BIFT" }, /* Broadcom iSCSI Offload */
};
#define VGA_MEM 0xA0000 /* VGA buffer */
#define VGA_SIZE 0x20000 /* 128kB */
-#ifdef CONFIG_ACPI
-static int __init acpi_find_ibft(struct acpi_table_header *header)
-{
- ibft_addr = (struct acpi_table_ibft *)header;
- return 0;
-}
-#endif /* CONFIG_ACPI */
-
static int __init find_ibft_in_mem(void)
{
unsigned long pos;
* the table cannot be valid. */
if (pos + len <= (IBFT_END-1)) {
ibft_addr = (struct acpi_table_ibft *)virt;
+ pr_info("iBFT found at 0x%lx.\n", pos);
goto done;
}
}
*/
unsigned long __init find_ibft_region(unsigned long *sizep)
{
-#ifdef CONFIG_ACPI
- int i;
-#endif
ibft_addr = NULL;
-#ifdef CONFIG_ACPI
- for (i = 0; i < ARRAY_SIZE(ibft_signs) && !ibft_addr; i++)
- acpi_table_parse(ibft_signs[i].sign, acpi_find_ibft);
-#endif /* CONFIG_ACPI */
-
/* iBFT 1.03 section 1.4.3.1 mandates that UEFI machines will
* only use ACPI for this */
- if (!ibft_addr && !efi_enabled)
+ if (!efi_enabled)
find_ibft_in_mem();
if (ibft_addr) {
config GPIO_PL061
bool "PrimeCell PL061 GPIO support"
depends on ARM_AMBA
+ select GENERIC_IRQ_CHIP
help
Say yes here to support the PrimeCell PL061 GPIO device
#include <linux/mfd/da9052/da9052.h>
#include <linux/mfd/da9052/reg.h>
#include <linux/mfd/da9052/pdata.h>
-#include <linux/mfd/da9052/gpio.h>
#define DA9052_INPUT 1
#define DA9052_OUTPUT_OPENDRAIN 2
#define DA9052_GPIO_MASK_UPPER_NIBBLE 0xF0
#define DA9052_GPIO_MASK_LOWER_NIBBLE 0x0F
#define DA9052_GPIO_NIBBLE_SHIFT 4
+#define DA9052_IRQ_GPI0 16
+#define DA9052_GPIO_ODD_SHIFT 7
+#define DA9052_GPIO_EVEN_SHIFT 3
struct da9052_gpio {
struct da9052 *da9052;
static void da9052_gpio_set(struct gpio_chip *gc, unsigned offset, int value)
{
struct da9052_gpio *gpio = to_da9052_gpio(gc);
- unsigned char register_value = 0;
int ret;
if (da9052_gpio_port_odd(offset)) {
- if (value) {
- register_value = DA9052_GPIO_ODD_PORT_MODE;
ret = da9052_reg_update(gpio->da9052, (offset >> 1) +
DA9052_GPIO_0_1_REG,
DA9052_GPIO_ODD_PORT_MODE,
- register_value);
+ value << DA9052_GPIO_ODD_SHIFT);
if (ret != 0)
dev_err(gpio->da9052->dev,
"Failed to updated gpio odd reg,%d",
ret);
- }
} else {
- if (value) {
- register_value = DA9052_GPIO_EVEN_PORT_MODE;
ret = da9052_reg_update(gpio->da9052, (offset >> 1) +
DA9052_GPIO_0_1_REG,
DA9052_GPIO_EVEN_PORT_MODE,
- register_value);
+ value << DA9052_GPIO_EVEN_SHIFT);
if (ret != 0)
dev_err(gpio->da9052->dev,
"Failed to updated gpio even reg,%d",
ret);
- }
}
}
.direction_input = da9052_gpio_direction_input,
.direction_output = da9052_gpio_direction_output,
.to_irq = da9052_gpio_to_irq,
- .can_sleep = 1;
- .ngpio = 16;
- .base = -1;
+ .can_sleep = 1,
+ .ngpio = 16,
+ .base = -1,
};
static int __devinit da9052_gpio_probe(struct platform_device *pdev)
&chip->reg->regs[chip->ch].imask);
}
+static void ioh_irq_disable(struct irq_data *d)
+{
+ struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);
+ struct ioh_gpio *chip = gc->private;
+ unsigned long flags;
+ u32 ien;
+
+ spin_lock_irqsave(&chip->spinlock, flags);
+ ien = ioread32(&chip->reg->regs[chip->ch].ien);
+ ien &= ~(1 << (d->irq - chip->irq_base));
+ iowrite32(ien, &chip->reg->regs[chip->ch].ien);
+ spin_unlock_irqrestore(&chip->spinlock, flags);
+}
+
+static void ioh_irq_enable(struct irq_data *d)
+{
+ struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);
+ struct ioh_gpio *chip = gc->private;
+ unsigned long flags;
+ u32 ien;
+
+ spin_lock_irqsave(&chip->spinlock, flags);
+ ien = ioread32(&chip->reg->regs[chip->ch].ien);
+ ien |= 1 << (d->irq - chip->irq_base);
+ iowrite32(ien, &chip->reg->regs[chip->ch].ien);
+ spin_unlock_irqrestore(&chip->spinlock, flags);
+}
+
static irqreturn_t ioh_gpio_handler(int irq, void *dev_id)
{
struct ioh_gpio *chip = dev_id;
int i, j;
int ret = IRQ_NONE;
- for (i = 0; i < 8; i++) {
+ for (i = 0; i < 8; i++, chip++) {
reg_val = ioread32(&chip->reg->regs[i].istatus);
for (j = 0; j < num_ports[i]; j++) {
if (reg_val & BIT(j)) {
ct->chip.irq_mask = ioh_irq_mask;
ct->chip.irq_unmask = ioh_irq_unmask;
ct->chip.irq_set_type = ioh_irq_type;
+ ct->chip.irq_disable = ioh_irq_disable;
+ ct->chip.irq_enable = ioh_irq_enable;
irq_setup_generic_chip(gc, IRQ_MSK(num), IRQ_GC_INIT_MASK_CACHE,
IRQ_NOREQUEST | IRQ_NOPROBE, 0);
return 0;
}
+static int mpc5121_gpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val)
+{
+ /* GPIO 28..31 are input only on MPC5121 */
+ if (gpio >= 28)
+ return -EINVAL;
+
+ return mpc8xxx_gpio_dir_out(gc, gpio, val);
+}
+
static int mpc8xxx_gpio_to_irq(struct gpio_chip *gc, unsigned offset)
{
struct of_mm_gpio_chip *mm = to_of_mm_gpio_chip(gc);
mm_gc->save_regs = mpc8xxx_gpio_save_regs;
gc->ngpio = MPC8XXX_GPIO_PINS;
gc->direction_input = mpc8xxx_gpio_dir_in;
- gc->direction_output = mpc8xxx_gpio_dir_out;
- if (of_device_is_compatible(np, "fsl,mpc8572-gpio"))
- gc->get = mpc8572_gpio_get;
- else
- gc->get = mpc8xxx_gpio_get;
+ gc->direction_output = of_device_is_compatible(np, "fsl,mpc5121-gpio") ?
+ mpc5121_gpio_dir_out : mpc8xxx_gpio_dir_out;
+ gc->get = of_device_is_compatible(np, "fsl,mpc8572-gpio") ?
+ mpc8572_gpio_get : mpc8xxx_gpio_get;
gc->set = mpc8xxx_gpio_set;
gc->to_irq = mpc8xxx_gpio_to_irq;
#include <linux/spinlock.h>
#include <linux/errno.h>
#include <linux/module.h>
-#include <linux/list.h>
#include <linux/io.h>
#include <linux/ioport.h>
#include <linux/irq.h>
#include <linux/amba/pl061.h>
#include <linux/slab.h>
#include <linux/pm.h>
+#include <asm/mach/irq.h>
#define GPIODIR 0x400
#define GPIOIS 0x404
#endif
struct pl061_gpio {
- /* We use a list of pl061_gpio structs for each trigger IRQ in the main
- * interrupts controller of the system. We need this to support systems
- * in which more that one PL061s are connected to the same IRQ. The ISR
- * interates through this list to find the source of the interrupt.
- */
- struct list_head list;
-
/* Each of the two spinlocks protects a different set of hardware
* regiters and data structurs. This decouples the code of the IRQ from
* the GPIO code. This also makes the case of a GPIO routine call from
* the IRQ code simpler.
*/
spinlock_t lock; /* GPIO registers */
- spinlock_t irq_lock; /* IRQ registers */
void __iomem *base;
- unsigned irq_base;
+ int irq_base;
+ struct irq_chip_generic *irq_gc;
struct gpio_chip gc;
#ifdef CONFIG_PM
{
struct pl061_gpio *chip = container_of(gc, struct pl061_gpio, gc);
- if (chip->irq_base == NO_IRQ)
+ if (chip->irq_base <= 0)
return -EINVAL;
return chip->irq_base + offset;
}
-/*
- * PL061 GPIO IRQ
- */
-static void pl061_irq_disable(struct irq_data *d)
-{
- struct pl061_gpio *chip = irq_data_get_irq_chip_data(d);
- int offset = d->irq - chip->irq_base;
- unsigned long flags;
- u8 gpioie;
-
- spin_lock_irqsave(&chip->irq_lock, flags);
- gpioie = readb(chip->base + GPIOIE);
- gpioie &= ~(1 << offset);
- writeb(gpioie, chip->base + GPIOIE);
- spin_unlock_irqrestore(&chip->irq_lock, flags);
-}
-
-static void pl061_irq_enable(struct irq_data *d)
-{
- struct pl061_gpio *chip = irq_data_get_irq_chip_data(d);
- int offset = d->irq - chip->irq_base;
- unsigned long flags;
- u8 gpioie;
-
- spin_lock_irqsave(&chip->irq_lock, flags);
- gpioie = readb(chip->base + GPIOIE);
- gpioie |= 1 << offset;
- writeb(gpioie, chip->base + GPIOIE);
- spin_unlock_irqrestore(&chip->irq_lock, flags);
-}
-
static int pl061_irq_type(struct irq_data *d, unsigned trigger)
{
- struct pl061_gpio *chip = irq_data_get_irq_chip_data(d);
+ struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);
+ struct pl061_gpio *chip = gc->private;
int offset = d->irq - chip->irq_base;
unsigned long flags;
u8 gpiois, gpioibe, gpioiev;
if (offset < 0 || offset >= PL061_GPIO_NR)
return -EINVAL;
- spin_lock_irqsave(&chip->irq_lock, flags);
+ raw_spin_lock_irqsave(&gc->lock, flags);
gpioiev = readb(chip->base + GPIOIEV);
writeb(gpioiev, chip->base + GPIOIEV);
- spin_unlock_irqrestore(&chip->irq_lock, flags);
+ raw_spin_unlock_irqrestore(&gc->lock, flags);
return 0;
}
-static struct irq_chip pl061_irqchip = {
- .name = "GPIO",
- .irq_enable = pl061_irq_enable,
- .irq_disable = pl061_irq_disable,
- .irq_set_type = pl061_irq_type,
-};
-
static void pl061_irq_handler(unsigned irq, struct irq_desc *desc)
{
- struct list_head *chip_list = irq_get_handler_data(irq);
- struct list_head *ptr;
- struct pl061_gpio *chip;
-
- desc->irq_data.chip->irq_ack(&desc->irq_data);
- list_for_each(ptr, chip_list) {
- unsigned long pending;
- int offset;
-
- chip = list_entry(ptr, struct pl061_gpio, list);
- pending = readb(chip->base + GPIOMIS);
- writeb(pending, chip->base + GPIOIC);
+ unsigned long pending;
+ int offset;
+ struct pl061_gpio *chip = irq_desc_get_handler_data(desc);
+ struct irq_chip *irqchip = irq_desc_get_chip(desc);
- if (pending == 0)
- continue;
+ chained_irq_enter(irqchip, desc);
+ pending = readb(chip->base + GPIOMIS);
+ writeb(pending, chip->base + GPIOIC);
+ if (pending) {
for_each_set_bit(offset, &pending, PL061_GPIO_NR)
generic_handle_irq(pl061_to_irq(&chip->gc, offset));
}
- desc->irq_data.chip->irq_unmask(&desc->irq_data);
+
+ chained_irq_exit(irqchip, desc);
+}
+
+static void __init pl061_init_gc(struct pl061_gpio *chip, int irq_base)
+{
+ struct irq_chip_type *ct;
+
+ chip->irq_gc = irq_alloc_generic_chip("gpio-pl061", 1, irq_base,
+ chip->base, handle_simple_irq);
+ chip->irq_gc->private = chip;
+
+ ct = chip->irq_gc->chip_types;
+ ct->chip.irq_mask = irq_gc_mask_clr_bit;
+ ct->chip.irq_unmask = irq_gc_mask_set_bit;
+ ct->chip.irq_set_type = pl061_irq_type;
+ ct->chip.irq_set_wake = irq_gc_set_wake;
+ ct->regs.mask = GPIOIE;
+
+ irq_setup_generic_chip(chip->irq_gc, IRQ_MSK(PL061_GPIO_NR),
+ IRQ_GC_INIT_NESTED_LOCK, IRQ_NOREQUEST, 0);
}
static int pl061_probe(struct amba_device *dev, const struct amba_id *id)
{
struct pl061_platform_data *pdata;
struct pl061_gpio *chip;
- struct list_head *chip_list;
int ret, irq, i;
- static DECLARE_BITMAP(init_irq, NR_IRQS);
-
- pdata = dev->dev.platform_data;
- if (pdata == NULL)
- return -ENODEV;
chip = kzalloc(sizeof(*chip), GFP_KERNEL);
if (chip == NULL)
chip->irq_base = pdata->irq_base;
} else if (dev->dev.of_node) {
chip->gc.base = -1;
- chip->irq_base = NO_IRQ;
+ chip->irq_base = 0;
} else {
ret = -ENODEV;
goto free_mem;
}
spin_lock_init(&chip->lock);
- spin_lock_init(&chip->irq_lock);
- INIT_LIST_HEAD(&chip->list);
chip->gc.direction_input = pl061_direction_input;
chip->gc.direction_output = pl061_direction_output;
* irq_chip support
*/
- if (chip->irq_base == NO_IRQ)
+ if (chip->irq_base <= 0)
return 0;
+ pl061_init_gc(chip, chip->irq_base);
+
writeb(0, chip->base + GPIOIE); /* disable irqs */
irq = dev->irq[0];
if (irq < 0) {
goto iounmap;
}
irq_set_chained_handler(irq, pl061_irq_handler);
- if (!test_and_set_bit(irq, init_irq)) { /* list initialized? */
- chip_list = kmalloc(sizeof(*chip_list), GFP_KERNEL);
- if (chip_list == NULL) {
- clear_bit(irq, init_irq);
- ret = -ENOMEM;
- goto iounmap;
- }
- INIT_LIST_HEAD(chip_list);
- irq_set_handler_data(irq, chip_list);
- } else
- chip_list = irq_get_handler_data(irq);
- list_add(&chip->list, chip_list);
+ irq_set_handler_data(irq, chip);
for (i = 0; i < PL061_GPIO_NR; i++) {
if (pdata) {
else
pl061_direction_input(&chip->gc, i);
}
-
- irq_set_chip_and_handler(i + chip->irq_base, &pl061_irqchip,
- handle_simple_irq);
- set_irq_flags(i+chip->irq_base, IRQF_VALID);
- irq_set_chip_data(i + chip->irq_base, chip);
}
amba_set_drvdata(dev, chip);
const struct intel_device_info *info = INTEL_INFO(dev);
seq_printf(m, "gen: %d\n", info->gen);
+ seq_printf(m, "pch: %d\n", INTEL_PCH_TYPE(dev));
#define B(x) seq_printf(m, #x ": %s\n", yesno(info->x))
B(is_mobile);
B(is_i85x);
diff1 = now - dev_priv->last_time1;
+ /* Prevent division-by-zero if we are asking too fast.
+ * Also, we don't get interesting results if we are polling
+ * faster than once in 10ms, so just return the saved value
+ * in such cases.
+ */
+ if (diff1 <= 10)
+ return dev_priv->chipset_power;
+
count1 = I915_READ(DMIEC);
count2 = I915_READ(DDREC);
count3 = I915_READ(CSIEC);
dev_priv->last_count1 = total_count;
dev_priv->last_time1 = now;
+ dev_priv->chipset_power = ret;
+
return ret;
}
MODULE_PARM_DESC(powersave,
"Enable powersavings, fbc, downclocking, etc. (default: true)");
-unsigned int i915_semaphores __read_mostly = 0;
+int i915_semaphores __read_mostly = -1;
module_param_named(semaphores, i915_semaphores, int, 0600);
MODULE_PARM_DESC(semaphores,
- "Use semaphores for inter-ring sync (default: false)");
+ "Use semaphores for inter-ring sync (default: -1 (use per-chip defaults))");
-unsigned int i915_enable_rc6 __read_mostly = 0;
+int i915_enable_rc6 __read_mostly = -1;
module_param_named(i915_enable_rc6, i915_enable_rc6, int, 0600);
MODULE_PARM_DESC(i915_enable_rc6,
- "Enable power-saving render C-state 6 (default: true)");
+ "Enable power-saving render C-state 6 (default: -1 (use per-chip default)");
int i915_enable_fbc __read_mostly = -1;
module_param_named(i915_enable_fbc, i915_enable_fbc, int, 0600);
}
}
-static void __gen6_gt_force_wake_get(struct drm_i915_private *dev_priv)
+void __gen6_gt_force_wake_get(struct drm_i915_private *dev_priv)
{
int count;
udelay(10);
}
+void __gen6_gt_force_wake_mt_get(struct drm_i915_private *dev_priv)
+{
+ int count;
+
+ count = 0;
+ while (count++ < 50 && (I915_READ_NOTRACE(FORCEWAKE_MT_ACK) & 1))
+ udelay(10);
+
+ I915_WRITE_NOTRACE(FORCEWAKE_MT, (1<<16) | 1);
+ POSTING_READ(FORCEWAKE_MT);
+
+ count = 0;
+ while (count++ < 50 && (I915_READ_NOTRACE(FORCEWAKE_MT_ACK) & 1) == 0)
+ udelay(10);
+}
+
/*
* Generally this is called implicitly by the register read function. However,
* if some sequence requires the GT to not power down then this function should
/* Forcewake is atomic in case we get in here without the lock */
if (atomic_add_return(1, &dev_priv->forcewake_count) == 1)
- __gen6_gt_force_wake_get(dev_priv);
+ dev_priv->display.force_wake_get(dev_priv);
}
-static void __gen6_gt_force_wake_put(struct drm_i915_private *dev_priv)
+void __gen6_gt_force_wake_put(struct drm_i915_private *dev_priv)
{
I915_WRITE_NOTRACE(FORCEWAKE, 0);
POSTING_READ(FORCEWAKE);
}
+void __gen6_gt_force_wake_mt_put(struct drm_i915_private *dev_priv)
+{
+ I915_WRITE_NOTRACE(FORCEWAKE_MT, (1<<16) | 0);
+ POSTING_READ(FORCEWAKE_MT);
+}
+
/*
* see gen6_gt_force_wake_get()
*/
WARN_ON(!mutex_is_locked(&dev_priv->dev->struct_mutex));
if (atomic_dec_and_test(&dev_priv->forcewake_count))
- __gen6_gt_force_wake_put(dev_priv);
+ dev_priv->display.force_wake_put(dev_priv);
}
void __gen6_gt_wait_for_fifo(struct drm_i915_private *dev_priv)
/* We give fast paths for the really cool registers */
#define NEEDS_FORCE_WAKE(dev_priv, reg) \
(((dev_priv)->info->gen >= 6) && \
- ((reg) < 0x40000) && \
- ((reg) != FORCEWAKE))
+ ((reg) < 0x40000) && \
+ ((reg) != FORCEWAKE) && \
+ ((reg) != ECOBUS))
#define __i915_read(x, y) \
u##x i915_read##x(struct drm_i915_private *dev_priv, u32 reg) { \
struct opregion_acpi;
struct opregion_swsci;
struct opregion_asle;
+struct drm_i915_private;
struct intel_opregion {
struct opregion_header *header;
struct drm_i915_gem_object *obj);
int (*update_plane)(struct drm_crtc *crtc, struct drm_framebuffer *fb,
int x, int y);
+ void (*force_wake_get)(struct drm_i915_private *dev_priv);
+ void (*force_wake_put)(struct drm_i915_private *dev_priv);
/* clock updates for mode set */
/* cursor updates */
/* render clock increase/decrease */
u64 last_count1;
unsigned long last_time1;
+ unsigned long chipset_power;
u64 last_count2;
struct timespec last_time2;
unsigned long gfx_power;
extern unsigned int i915_fbpercrtc __always_unused;
extern int i915_panel_ignore_lid __read_mostly;
extern unsigned int i915_powersave __read_mostly;
-extern unsigned int i915_semaphores __read_mostly;
+extern int i915_semaphores __read_mostly;
extern unsigned int i915_lvds_downclock __read_mostly;
extern int i915_panel_use_ssc __read_mostly;
extern int i915_vbt_sdvo_panel_type __read_mostly;
-extern unsigned int i915_enable_rc6 __read_mostly;
+extern int i915_enable_rc6 __read_mostly;
extern int i915_enable_fbc __read_mostly;
extern bool i915_enable_hangcheck __read_mostly;
extern void intel_detect_pch(struct drm_device *dev);
extern int intel_trans_dp_port_sel(struct drm_crtc *crtc);
+extern void __gen6_gt_force_wake_get(struct drm_i915_private *dev_priv);
+extern void __gen6_gt_force_wake_mt_get(struct drm_i915_private *dev_priv);
+extern void __gen6_gt_force_wake_put(struct drm_i915_private *dev_priv);
+extern void __gen6_gt_force_wake_mt_put(struct drm_i915_private *dev_priv);
+
/* overlay */
#ifdef CONFIG_DEBUG_FS
extern struct intel_overlay_error_state *intel_overlay_capture_error_state(struct drm_device *dev);
/* We give fast paths for the really cool registers */
#define NEEDS_FORCE_WAKE(dev_priv, reg) \
(((dev_priv)->info->gen >= 6) && \
- ((reg) < 0x40000) && \
- ((reg) != FORCEWAKE))
+ ((reg) < 0x40000) && \
+ ((reg) != FORCEWAKE) && \
+ ((reg) != ECOBUS))
#define __i915_read(x, y) \
u##x i915_read##x(struct drm_i915_private *dev_priv, u32 reg);
* to handle this, the waiter on a request often wants an associated
* buffer to have made it to the inactive list, and we would need
* a separate wait queue to handle that.
- *
- * To avoid a recursion with the ilk VT-d workaround (that calls
- * gpu_idle when unbinding objects with interruptible==false) don't
- * retire requests in that case (because it might call unbind if the
- * active list holds the last reference to the object).
*/
- if (ret == 0 && dev_priv->mm.interruptible)
+ if (ret == 0)
i915_gem_retire_requests_ring(ring);
return ret;
#include "i915_drv.h"
#include "i915_trace.h"
#include "intel_drv.h"
+#include <linux/dma_remapping.h>
struct change_domains {
uint32_t invalidate_domains;
return 0;
}
+static bool
+intel_enable_semaphores(struct drm_device *dev)
+{
+ if (INTEL_INFO(dev)->gen < 6)
+ return 0;
+
+ if (i915_semaphores >= 0)
+ return i915_semaphores;
+
+ /* Enable semaphores on SNB when IO remapping is off */
+ if (INTEL_INFO(dev)->gen == 6)
+ return !intel_iommu_enabled;
+
+ return 1;
+}
+
static int
i915_gem_execbuffer_sync_rings(struct drm_i915_gem_object *obj,
struct intel_ring_buffer *to)
return 0;
/* XXX gpu semaphores are implicated in various hard hangs on SNB */
- if (INTEL_INFO(obj->base.dev)->gen < 6 || !i915_semaphores)
+ if (!intel_enable_semaphores(obj->base.dev))
return i915_gem_object_wait_rendering(obj);
idx = intel_ring_sync_index(from, to);
/* or SDVOB */
#define HDMIB 0xe1140
#define PORT_ENABLE (1 << 31)
-#define TRANSCODER_A (0)
-#define TRANSCODER_B (1 << 30)
-#define TRANSCODER(pipe) ((pipe) << 30)
-#define TRANSCODER_MASK (1 << 30)
+#define TRANSCODER(pipe) ((pipe) << 30)
+#define TRANSCODER_CPT(pipe) ((pipe) << 29)
+#define TRANSCODER_MASK (1 << 30)
+#define TRANSCODER_MASK_CPT (3 << 29)
#define COLOR_FORMAT_8bpc (0)
#define COLOR_FORMAT_12bpc (3 << 26)
#define SDVOB_HOTPLUG_ENABLE (1 << 23)
#define EDP_LINK_TRAIN_800_1200MV_0DB_SNB_B (0x38<<22)
#define EDP_LINK_TRAIN_VOL_EMP_MASK_SNB (0x3f<<22)
+/* IVB */
+#define EDP_LINK_TRAIN_400MV_0DB_IVB (0x24 <<22)
+#define EDP_LINK_TRAIN_400MV_3_5DB_IVB (0x2a <<22)
+#define EDP_LINK_TRAIN_400MV_6DB_IVB (0x2f <<22)
+#define EDP_LINK_TRAIN_600MV_0DB_IVB (0x30 <<22)
+#define EDP_LINK_TRAIN_600MV_3_5DB_IVB (0x36 <<22)
+#define EDP_LINK_TRAIN_800MV_0DB_IVB (0x38 <<22)
+#define EDP_LINK_TRAIN_800MV_3_5DB_IVB (0x33 <<22)
+
+/* legacy values */
+#define EDP_LINK_TRAIN_500MV_0DB_IVB (0x00 <<22)
+#define EDP_LINK_TRAIN_1000MV_0DB_IVB (0x20 <<22)
+#define EDP_LINK_TRAIN_500MV_3_5DB_IVB (0x02 <<22)
+#define EDP_LINK_TRAIN_1000MV_3_5DB_IVB (0x22 <<22)
+#define EDP_LINK_TRAIN_1000MV_6DB_IVB (0x23 <<22)
+
+#define EDP_LINK_TRAIN_VOL_EMP_MASK_IVB (0x3f<<22)
+
#define FORCEWAKE 0xA18C
#define FORCEWAKE_ACK 0x130090
+#define FORCEWAKE_MT 0xa188 /* multi-threaded */
+#define FORCEWAKE_MT_ACK 0x130040
+#define ECOBUS 0xa180
+#define FORCEWAKE_MT_ENABLE (1<<5)
#define GT_FIFO_FREE_ENTRIES 0x120008
#define GT_FIFO_NUM_RESERVED_ENTRIES 20
#include "i915_drv.h"
#include "i915_trace.h"
#include "drm_dp_helper.h"
-
#include "drm_crtc_helper.h"
+#include <linux/dma_remapping.h>
#define HAS_eDP (intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP))
/**
* intel_choose_pipe_bpp_dither - figure out what color depth the pipe should send
* @crtc: CRTC structure
+ * @mode: requested mode
*
* A pipe may be connected to one or more outputs. Based on the depth of the
* attached framebuffer, choose a good color depth to use on the pipe.
* HDMI supports only 8bpc or 12bpc, so clamp to 8bpc with dither for 10bpc
* Displays may support a restricted set as well, check EDID and clamp as
* appropriate.
+ * DP may want to dither down to 6bpc to fit larger modes
*
* RETURNS:
* Dithering requirement (i.e. false if display bpc and pipe bpc match,
* true if they don't match).
*/
static bool intel_choose_pipe_bpp_dither(struct drm_crtc *crtc,
- unsigned int *pipe_bpp)
+ unsigned int *pipe_bpp,
+ struct drm_display_mode *mode)
{
struct drm_device *dev = crtc->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
}
}
+ if (mode->private_flags & INTEL_MODE_DP_FORCE_6BPC) {
+ DRM_DEBUG_KMS("Dithering DP to 6bpc\n");
+ display_bpc = 6;
+ }
+
/*
* We could just drive the pipe at the highest bpc all the time and
* enable dithering as needed, but that costs bandwidth. So choose
pipeconf &= ~PIPECONF_DOUBLE_WIDE;
}
+ /* default to 8bpc */
+ pipeconf &= ~(PIPECONF_BPP_MASK | PIPECONF_DITHER_EN);
+ if (is_dp) {
+ if (mode->private_flags & INTEL_MODE_DP_FORCE_6BPC) {
+ pipeconf |= PIPECONF_BPP_6 |
+ PIPECONF_DITHER_EN |
+ PIPECONF_DITHER_TYPE_SP;
+ }
+ }
+
dpll |= DPLL_VCO_ENABLE;
DRM_DEBUG_KMS("Mode for pipe %c:\n", pipe == 0 ? 'A' : 'B');
/* determine panel color depth */
temp = I915_READ(PIPECONF(pipe));
temp &= ~PIPE_BPC_MASK;
- dither = intel_choose_pipe_bpp_dither(crtc, &pipe_bpp);
+ dither = intel_choose_pipe_bpp_dither(crtc, &pipe_bpp, mode);
switch (pipe_bpp) {
case 18:
temp |= PIPE_6BPC;
work->old_fb_obj = intel_fb->obj;
INIT_WORK(&work->work, intel_unpin_work_fn);
+ ret = drm_vblank_get(dev, intel_crtc->pipe);
+ if (ret)
+ goto free_work;
+
/* We borrow the event spin lock for protecting unpin_work */
spin_lock_irqsave(&dev->event_lock, flags);
if (intel_crtc->unpin_work) {
spin_unlock_irqrestore(&dev->event_lock, flags);
kfree(work);
+ drm_vblank_put(dev, intel_crtc->pipe);
DRM_DEBUG_DRIVER("flip queue: crtc already busy\n");
return -EBUSY;
crtc->fb = fb;
- ret = drm_vblank_get(dev, intel_crtc->pipe);
- if (ret)
- goto cleanup_objs;
-
work->pending_flip_obj = obj;
work->enable_stall_check = true;
cleanup_pending:
atomic_sub(1 << intel_crtc->plane, &work->old_fb_obj->pending_flip);
-cleanup_objs:
drm_gem_object_unreference(&work->old_fb_obj->base);
drm_gem_object_unreference(&obj->base);
mutex_unlock(&dev->struct_mutex);
intel_crtc->unpin_work = NULL;
spin_unlock_irqrestore(&dev->event_lock, flags);
+ drm_vblank_put(dev, intel_crtc->pipe);
+free_work:
kfree(work);
return ret;
dev_priv->corr = (lcfuse & LCFUSE_HIV_MASK);
}
+static bool intel_enable_rc6(struct drm_device *dev)
+{
+ /*
+ * Respect the kernel parameter if it is set
+ */
+ if (i915_enable_rc6 >= 0)
+ return i915_enable_rc6;
+
+ /*
+ * Disable RC6 on Ironlake
+ */
+ if (INTEL_INFO(dev)->gen == 5)
+ return 0;
+
+ /*
+ * Enable rc6 on Sandybridge if DMA remapping is disabled
+ */
+ if (INTEL_INFO(dev)->gen == 6) {
+ DRM_DEBUG_DRIVER("Sandybridge: intel_iommu_enabled %s -- RC6 %sabled\n",
+ intel_iommu_enabled ? "true" : "false",
+ !intel_iommu_enabled ? "en" : "dis");
+ return !intel_iommu_enabled;
+ }
+ DRM_DEBUG_DRIVER("RC6 enabled\n");
+ return 1;
+}
+
void gen6_enable_rps(struct drm_i915_private *dev_priv)
{
u32 rp_state_cap = I915_READ(GEN6_RP_STATE_CAP);
I915_WRITE(GEN6_RC6p_THRESHOLD, 100000);
I915_WRITE(GEN6_RC6pp_THRESHOLD, 64000); /* unused */
- if (i915_enable_rc6)
+ if (intel_enable_rc6(dev_priv->dev))
rc6_mask = GEN6_RC_CTL_RC6p_ENABLE |
GEN6_RC_CTL_RC6_ENABLE;
/* rc6 disabled by default due to repeated reports of hanging during
* boot and resume.
*/
- if (!i915_enable_rc6)
+ if (!intel_enable_rc6(dev))
return;
mutex_lock(&dev->struct_mutex);
/* For FIFO watermark updates */
if (HAS_PCH_SPLIT(dev)) {
+ dev_priv->display.force_wake_get = __gen6_gt_force_wake_get;
+ dev_priv->display.force_wake_put = __gen6_gt_force_wake_put;
+
+ /* IVB configs may use multi-threaded forcewake */
+ if (IS_IVYBRIDGE(dev)) {
+ u32 ecobus;
+
+ mutex_lock(&dev->struct_mutex);
+ __gen6_gt_force_wake_mt_get(dev_priv);
+ ecobus = I915_READ(ECOBUS);
+ __gen6_gt_force_wake_mt_put(dev_priv);
+ mutex_unlock(&dev->struct_mutex);
+
+ if (ecobus & FORCEWAKE_MT_ENABLE) {
+ DRM_DEBUG_KMS("Using MT version of forcewake\n");
+ dev_priv->display.force_wake_get =
+ __gen6_gt_force_wake_mt_get;
+ dev_priv->display.force_wake_put =
+ __gen6_gt_force_wake_mt_put;
+ }
+ }
+
if (HAS_PCH_IBX(dev))
dev_priv->display.init_pch_clock_gating = ibx_init_clock_gating;
else if (HAS_PCH_CPT(dev))
*/
static int
-intel_dp_link_required(struct intel_dp *intel_dp, int pixel_clock)
+intel_dp_link_required(struct intel_dp *intel_dp, int pixel_clock, int check_bpp)
{
struct drm_crtc *crtc = intel_dp->base.base.crtc;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
int bpp = 24;
- if (intel_crtc)
+ if (check_bpp)
+ bpp = check_bpp;
+ else if (intel_crtc)
bpp = intel_crtc->bpp;
return (pixel_clock * bpp + 9) / 10;
struct intel_dp *intel_dp = intel_attached_dp(connector);
int max_link_clock = intel_dp_link_clock(intel_dp_max_link_bw(intel_dp));
int max_lanes = intel_dp_max_lane_count(intel_dp);
+ int max_rate, mode_rate;
if (is_edp(intel_dp) && intel_dp->panel_fixed_mode) {
if (mode->hdisplay > intel_dp->panel_fixed_mode->hdisplay)
return MODE_PANEL;
}
- if (intel_dp_link_required(intel_dp, mode->clock)
- > intel_dp_max_data_rate(max_link_clock, max_lanes))
- return MODE_CLOCK_HIGH;
+ mode_rate = intel_dp_link_required(intel_dp, mode->clock, 0);
+ max_rate = intel_dp_max_data_rate(max_link_clock, max_lanes);
+
+ if (mode_rate > max_rate) {
+ mode_rate = intel_dp_link_required(intel_dp,
+ mode->clock, 18);
+ if (mode_rate > max_rate)
+ return MODE_CLOCK_HIGH;
+ else
+ mode->private_flags |= INTEL_MODE_DP_FORCE_6BPC;
+ }
if (mode->clock < 10000)
return MODE_CLOCK_LOW;
* clock divider.
*/
if (is_cpu_edp(intel_dp)) {
- if (IS_GEN6(dev))
- aux_clock_divider = 200; /* SNB eDP input clock at 400Mhz */
+ if (IS_GEN6(dev) || IS_GEN7(dev))
+ aux_clock_divider = 200; /* SNB & IVB eDP input clock at 400Mhz */
else
aux_clock_divider = 225; /* eDP input clock at 450Mhz */
} else if (HAS_PCH_SPLIT(dev))
int lane_count, clock;
int max_lane_count = intel_dp_max_lane_count(intel_dp);
int max_clock = intel_dp_max_link_bw(intel_dp) == DP_LINK_BW_2_7 ? 1 : 0;
+ int bpp = mode->private_flags & INTEL_MODE_DP_FORCE_6BPC ? 18 : 0;
static int bws[2] = { DP_LINK_BW_1_62, DP_LINK_BW_2_7 };
if (is_edp(intel_dp) && intel_dp->panel_fixed_mode) {
for (clock = 0; clock <= max_clock; clock++) {
int link_avail = intel_dp_max_data_rate(intel_dp_link_clock(bws[clock]), lane_count);
- if (intel_dp_link_required(intel_dp, mode->clock)
+ if (intel_dp_link_required(intel_dp, mode->clock, bpp)
<= link_avail) {
intel_dp->link_bw = bws[clock];
intel_dp->lane_count = lane_count;
}
/*
- * There are three kinds of DP registers:
+ * There are four kinds of DP registers:
*
* IBX PCH
- * CPU
+ * SNB CPU
+ * IVB CPU
* CPT PCH
*
* IBX PCH and CPU are the same for almost everything,
/* Split out the IBX/CPU vs CPT settings */
- if (!HAS_PCH_CPT(dev) || is_cpu_edp(intel_dp)) {
+ if (is_cpu_edp(intel_dp) && IS_GEN7(dev)) {
+ if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
+ intel_dp->DP |= DP_SYNC_HS_HIGH;
+ if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
+ intel_dp->DP |= DP_SYNC_VS_HIGH;
+ intel_dp->DP |= DP_LINK_TRAIN_OFF_CPT;
+
+ if (intel_dp->link_configuration[1] & DP_LANE_COUNT_ENHANCED_FRAME_EN)
+ intel_dp->DP |= DP_ENHANCED_FRAMING;
+
+ intel_dp->DP |= intel_crtc->pipe << 29;
+
+ /* don't miss out required setting for eDP */
+ intel_dp->DP |= DP_PLL_ENABLE;
+ if (adjusted_mode->clock < 200000)
+ intel_dp->DP |= DP_PLL_FREQ_160MHZ;
+ else
+ intel_dp->DP |= DP_PLL_FREQ_270MHZ;
+ } else if (!HAS_PCH_CPT(dev) || is_cpu_edp(intel_dp)) {
intel_dp->DP |= intel_dp->color_range;
if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
* These are source-specific values; current Intel hardware supports
* a maximum voltage of 800mV and a maximum pre-emphasis of 6dB
*/
-#define I830_DP_VOLTAGE_MAX DP_TRAIN_VOLTAGE_SWING_800
-#define I830_DP_VOLTAGE_MAX_CPT DP_TRAIN_VOLTAGE_SWING_1200
static uint8_t
-intel_dp_pre_emphasis_max(uint8_t voltage_swing)
+intel_dp_voltage_max(struct intel_dp *intel_dp)
{
- switch (voltage_swing & DP_TRAIN_VOLTAGE_SWING_MASK) {
- case DP_TRAIN_VOLTAGE_SWING_400:
- return DP_TRAIN_PRE_EMPHASIS_6;
- case DP_TRAIN_VOLTAGE_SWING_600:
- return DP_TRAIN_PRE_EMPHASIS_6;
- case DP_TRAIN_VOLTAGE_SWING_800:
- return DP_TRAIN_PRE_EMPHASIS_3_5;
- case DP_TRAIN_VOLTAGE_SWING_1200:
- default:
- return DP_TRAIN_PRE_EMPHASIS_0;
+ struct drm_device *dev = intel_dp->base.base.dev;
+
+ if (IS_GEN7(dev) && is_cpu_edp(intel_dp))
+ return DP_TRAIN_VOLTAGE_SWING_800;
+ else if (HAS_PCH_CPT(dev) && !is_cpu_edp(intel_dp))
+ return DP_TRAIN_VOLTAGE_SWING_1200;
+ else
+ return DP_TRAIN_VOLTAGE_SWING_800;
+}
+
+static uint8_t
+intel_dp_pre_emphasis_max(struct intel_dp *intel_dp, uint8_t voltage_swing)
+{
+ struct drm_device *dev = intel_dp->base.base.dev;
+
+ if (IS_GEN7(dev) && is_cpu_edp(intel_dp)) {
+ switch (voltage_swing & DP_TRAIN_VOLTAGE_SWING_MASK) {
+ case DP_TRAIN_VOLTAGE_SWING_400:
+ return DP_TRAIN_PRE_EMPHASIS_6;
+ case DP_TRAIN_VOLTAGE_SWING_600:
+ case DP_TRAIN_VOLTAGE_SWING_800:
+ return DP_TRAIN_PRE_EMPHASIS_3_5;
+ default:
+ return DP_TRAIN_PRE_EMPHASIS_0;
+ }
+ } else {
+ switch (voltage_swing & DP_TRAIN_VOLTAGE_SWING_MASK) {
+ case DP_TRAIN_VOLTAGE_SWING_400:
+ return DP_TRAIN_PRE_EMPHASIS_6;
+ case DP_TRAIN_VOLTAGE_SWING_600:
+ return DP_TRAIN_PRE_EMPHASIS_6;
+ case DP_TRAIN_VOLTAGE_SWING_800:
+ return DP_TRAIN_PRE_EMPHASIS_3_5;
+ case DP_TRAIN_VOLTAGE_SWING_1200:
+ default:
+ return DP_TRAIN_PRE_EMPHASIS_0;
+ }
}
}
static void
intel_get_adjust_train(struct intel_dp *intel_dp, uint8_t link_status[DP_LINK_STATUS_SIZE])
{
- struct drm_device *dev = intel_dp->base.base.dev;
uint8_t v = 0;
uint8_t p = 0;
int lane;
uint8_t *adjust_request = link_status + (DP_ADJUST_REQUEST_LANE0_1 - DP_LANE0_1_STATUS);
- int voltage_max;
+ uint8_t voltage_max;
+ uint8_t preemph_max;
for (lane = 0; lane < intel_dp->lane_count; lane++) {
uint8_t this_v = intel_get_adjust_request_voltage(adjust_request, lane);
p = this_p;
}
- if (HAS_PCH_CPT(dev) && !is_cpu_edp(intel_dp))
- voltage_max = I830_DP_VOLTAGE_MAX_CPT;
- else
- voltage_max = I830_DP_VOLTAGE_MAX;
+ voltage_max = intel_dp_voltage_max(intel_dp);
if (v >= voltage_max)
v = voltage_max | DP_TRAIN_MAX_SWING_REACHED;
- if (p >= intel_dp_pre_emphasis_max(v))
- p = intel_dp_pre_emphasis_max(v) | DP_TRAIN_MAX_PRE_EMPHASIS_REACHED;
+ preemph_max = intel_dp_pre_emphasis_max(intel_dp, v);
+ if (p >= preemph_max)
+ p = preemph_max | DP_TRAIN_MAX_PRE_EMPHASIS_REACHED;
for (lane = 0; lane < 4; lane++)
intel_dp->train_set[lane] = v | p;
}
}
+/* Gen7's DP voltage swing and pre-emphasis control */
+static uint32_t
+intel_gen7_edp_signal_levels(uint8_t train_set)
+{
+ int signal_levels = train_set & (DP_TRAIN_VOLTAGE_SWING_MASK |
+ DP_TRAIN_PRE_EMPHASIS_MASK);
+ switch (signal_levels) {
+ case DP_TRAIN_VOLTAGE_SWING_400 | DP_TRAIN_PRE_EMPHASIS_0:
+ return EDP_LINK_TRAIN_400MV_0DB_IVB;
+ case DP_TRAIN_VOLTAGE_SWING_400 | DP_TRAIN_PRE_EMPHASIS_3_5:
+ return EDP_LINK_TRAIN_400MV_3_5DB_IVB;
+ case DP_TRAIN_VOLTAGE_SWING_400 | DP_TRAIN_PRE_EMPHASIS_6:
+ return EDP_LINK_TRAIN_400MV_6DB_IVB;
+
+ case DP_TRAIN_VOLTAGE_SWING_600 | DP_TRAIN_PRE_EMPHASIS_0:
+ return EDP_LINK_TRAIN_600MV_0DB_IVB;
+ case DP_TRAIN_VOLTAGE_SWING_600 | DP_TRAIN_PRE_EMPHASIS_3_5:
+ return EDP_LINK_TRAIN_600MV_3_5DB_IVB;
+
+ case DP_TRAIN_VOLTAGE_SWING_800 | DP_TRAIN_PRE_EMPHASIS_0:
+ return EDP_LINK_TRAIN_800MV_0DB_IVB;
+ case DP_TRAIN_VOLTAGE_SWING_800 | DP_TRAIN_PRE_EMPHASIS_3_5:
+ return EDP_LINK_TRAIN_800MV_3_5DB_IVB;
+
+ default:
+ DRM_DEBUG_KMS("Unsupported voltage swing/pre-emphasis level:"
+ "0x%x\n", signal_levels);
+ return EDP_LINK_TRAIN_500MV_0DB_IVB;
+ }
+}
+
static uint8_t
intel_get_lane_status(uint8_t link_status[DP_LINK_STATUS_SIZE],
int lane)
DP_LINK_CONFIGURATION_SIZE);
DP |= DP_PORT_EN;
- if (HAS_PCH_CPT(dev) && !is_cpu_edp(intel_dp))
+
+ if (HAS_PCH_CPT(dev) && (IS_GEN7(dev) || !is_cpu_edp(intel_dp)))
DP &= ~DP_LINK_TRAIN_MASK_CPT;
else
DP &= ~DP_LINK_TRAIN_MASK;
uint8_t link_status[DP_LINK_STATUS_SIZE];
uint32_t signal_levels;
- if (IS_GEN6(dev) && is_cpu_edp(intel_dp)) {
+
+ if (IS_GEN7(dev) && is_cpu_edp(intel_dp)) {
+ signal_levels = intel_gen7_edp_signal_levels(intel_dp->train_set[0]);
+ DP = (DP & ~EDP_LINK_TRAIN_VOL_EMP_MASK_IVB) | signal_levels;
+ } else if (IS_GEN6(dev) && is_cpu_edp(intel_dp)) {
signal_levels = intel_gen6_edp_signal_levels(intel_dp->train_set[0]);
DP = (DP & ~EDP_LINK_TRAIN_VOL_EMP_MASK_SNB) | signal_levels;
} else {
DP = (DP & ~(DP_VOLTAGE_MASK|DP_PRE_EMPHASIS_MASK)) | signal_levels;
}
- if (HAS_PCH_CPT(dev) && !is_cpu_edp(intel_dp))
+ if (HAS_PCH_CPT(dev) && (IS_GEN7(dev) || !is_cpu_edp(intel_dp)))
reg = DP | DP_LINK_TRAIN_PAT_1_CPT;
else
reg = DP | DP_LINK_TRAIN_PAT_1;
break;
}
- if (IS_GEN6(dev) && is_cpu_edp(intel_dp)) {
+ if (IS_GEN7(dev) && is_cpu_edp(intel_dp)) {
+ signal_levels = intel_gen7_edp_signal_levels(intel_dp->train_set[0]);
+ DP = (DP & ~EDP_LINK_TRAIN_VOL_EMP_MASK_IVB) | signal_levels;
+ } else if (IS_GEN6(dev) && is_cpu_edp(intel_dp)) {
signal_levels = intel_gen6_edp_signal_levels(intel_dp->train_set[0]);
DP = (DP & ~EDP_LINK_TRAIN_VOL_EMP_MASK_SNB) | signal_levels;
} else {
DP = (DP & ~(DP_VOLTAGE_MASK|DP_PRE_EMPHASIS_MASK)) | signal_levels;
}
- if (HAS_PCH_CPT(dev) && !is_cpu_edp(intel_dp))
+ if (HAS_PCH_CPT(dev) && (IS_GEN7(dev) || !is_cpu_edp(intel_dp)))
reg = DP | DP_LINK_TRAIN_PAT_2_CPT;
else
reg = DP | DP_LINK_TRAIN_PAT_2;
++tries;
}
- if (HAS_PCH_CPT(dev) && !is_cpu_edp(intel_dp))
+ if (HAS_PCH_CPT(dev) && (IS_GEN7(dev) || !is_cpu_edp(intel_dp)))
reg = DP | DP_LINK_TRAIN_OFF_CPT;
else
reg = DP | DP_LINK_TRAIN_OFF;
udelay(100);
}
- if (HAS_PCH_CPT(dev) && !is_cpu_edp(intel_dp)) {
+ if (HAS_PCH_CPT(dev) && (IS_GEN7(dev) || !is_cpu_edp(intel_dp))) {
DP &= ~DP_LINK_TRAIN_MASK_CPT;
I915_WRITE(intel_dp->output_reg, DP | DP_LINK_TRAIN_PAT_IDLE_CPT);
} else {
msleep(17);
if (is_edp(intel_dp)) {
- if (HAS_PCH_CPT(dev) && !is_cpu_edp(intel_dp))
+ if (HAS_PCH_CPT(dev) && (IS_GEN7(dev) || !is_cpu_edp(intel_dp)))
DP |= DP_LINK_TRAIN_OFF_CPT;
else
DP |= DP_LINK_TRAIN_OFF;
/* drm_display_mode->private_flags */
#define INTEL_MODE_PIXEL_MULTIPLIER_SHIFT (0x0)
#define INTEL_MODE_PIXEL_MULTIPLIER_MASK (0xf << INTEL_MODE_PIXEL_MULTIPLIER_SHIFT)
+#define INTEL_MODE_DP_FORCE_6BPC (0x10)
static inline void
intel_mode_set_pixel_multiplier(struct drm_display_mode *mode,
DMI_MATCH(DMI_PRODUCT_NAME, "EB1007"),
},
},
+ {
+ .callback = intel_no_lvds_dmi_callback,
+ .ident = "Asus AT5NM10T-I",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
+ DMI_MATCH(DMI_BOARD_NAME, "AT5NM10T-I"),
+ },
+ },
{ } /* terminating entry */
};
if (HAS_PCH_SPLIT(dev)) {
max >>= 16;
} else {
- if (IS_PINEVIEW(dev)) {
+ if (INTEL_INFO(dev)->gen < 4)
max >>= 17;
- } else {
+ else
max >>= 16;
- if (INTEL_INFO(dev)->gen < 4)
- max &= ~1;
- }
if (is_backlight_combination_mode(dev))
max *= 0xff;
val = I915_READ(BLC_PWM_CPU_CTL) & BACKLIGHT_DUTY_CYCLE_MASK;
} else {
val = I915_READ(BLC_PWM_CTL) & BACKLIGHT_DUTY_CYCLE_MASK;
- if (IS_PINEVIEW(dev))
+ if (INTEL_INFO(dev)->gen < 4)
val >>= 1;
if (is_backlight_combination_mode(dev)) {
u8 lbpc;
- val &= ~1;
pci_read_config_byte(dev->pdev, PCI_LBPC, &lbpc);
val *= lbpc;
}
}
tmp = I915_READ(BLC_PWM_CTL);
- if (IS_PINEVIEW(dev)) {
- tmp &= ~(BACKLIGHT_DUTY_CYCLE_MASK - 1);
+ if (INTEL_INFO(dev)->gen < 4)
level <<= 1;
- } else
- tmp &= ~BACKLIGHT_DUTY_CYCLE_MASK;
+ tmp &= ~BACKLIGHT_DUTY_CYCLE_MASK;
I915_WRITE(BLC_PWM_CTL, tmp | level);
}
#define IS_TMDS(c) (c->output_flag & SDVO_TMDS_MASK)
#define IS_LVDS(c) (c->output_flag & SDVO_LVDS_MASK)
#define IS_TV_OR_LVDS(c) (c->output_flag & (SDVO_TV_MASK | SDVO_LVDS_MASK))
+#define IS_DIGITAL(c) (c->output_flag & (SDVO_TMDS_MASK | SDVO_LVDS_MASK))
static const char *tv_format_names[] = {
}
sdvox |= (9 << 19) | SDVO_BORDER_ENABLE;
}
- if (intel_crtc->pipe == 1)
- sdvox |= SDVO_PIPE_B_SELECT;
+
+ if (INTEL_PCH_TYPE(dev) >= PCH_CPT)
+ sdvox |= TRANSCODER_CPT(intel_crtc->pipe);
+ else
+ sdvox |= TRANSCODER(intel_crtc->pipe);
+
if (intel_sdvo->has_hdmi_audio)
sdvox |= SDVO_AUDIO_ENABLE;
return status;
}
+static bool
+intel_sdvo_connector_matches_edid(struct intel_sdvo_connector *sdvo,
+ struct edid *edid)
+{
+ bool monitor_is_digital = !!(edid->input & DRM_EDID_INPUT_DIGITAL);
+ bool connector_is_digital = !!IS_DIGITAL(sdvo);
+
+ DRM_DEBUG_KMS("connector_is_digital? %d, monitor_is_digital? %d\n",
+ connector_is_digital, monitor_is_digital);
+ return connector_is_digital == monitor_is_digital;
+}
+
static enum drm_connector_status
intel_sdvo_detect(struct drm_connector *connector, bool force)
{
if (edid == NULL)
edid = intel_sdvo_get_analog_edid(connector);
if (edid != NULL) {
- if (edid->input & DRM_EDID_INPUT_DIGITAL)
- ret = connector_status_disconnected;
- else
+ if (intel_sdvo_connector_matches_edid(intel_sdvo_connector,
+ edid))
ret = connector_status_connected;
+ else
+ ret = connector_status_disconnected;
+
connector->display_info.raw_edid = NULL;
kfree(edid);
} else
edid = intel_sdvo_get_analog_edid(connector);
if (edid != NULL) {
- struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
- bool monitor_is_digital = !!(edid->input & DRM_EDID_INPUT_DIGITAL);
- bool connector_is_digital = !!IS_TMDS(intel_sdvo_connector);
-
- if (connector_is_digital == monitor_is_digital) {
+ if (intel_sdvo_connector_matches_edid(to_intel_sdvo_connector(connector),
+ edid)) {
drm_mode_connector_update_edid_property(connector, edid);
drm_add_edid_modes(connector, edid);
}
struct ttm_object_file *tfile,
int id,
struct vmw_resource **p_res);
+extern int vmw_user_lookup_handle(struct vmw_private *dev_priv,
+ struct ttm_object_file *tfile,
+ uint32_t handle,
+ struct vmw_surface **out_surf,
+ struct vmw_dma_buffer **out_buf);
extern void vmw_surface_res_free(struct vmw_resource *res);
extern int vmw_surface_init(struct vmw_private *dev_priv,
struct vmw_surface *srf,
{
__le32 __iomem *fifo_mem = dev_priv->mmio_virt;
uint32_t fifo_min, hwversion;
+ const struct vmw_fifo_state *fifo = &dev_priv->fifo;
if (!(dev_priv->capabilities & SVGA_CAP_EXTENDED_FIFO))
return false;
if (fifo_min <= SVGA_FIFO_3D_HWVERSION * sizeof(unsigned int))
return false;
- hwversion = ioread32(fifo_mem + SVGA_FIFO_3D_HWVERSION);
+ hwversion = ioread32(fifo_mem +
+ ((fifo->capabilities &
+ SVGA_FIFO_CAP_3D_HWVERSION_REVISED) ?
+ SVGA_FIFO_3D_HWVERSION_REVISED :
+ SVGA_FIFO_3D_HWVERSION));
+
if (hwversion == 0)
return false;
case DRM_VMW_PARAM_FIFO_HW_VERSION:
{
__le32 __iomem *fifo_mem = dev_priv->mmio_virt;
-
- param->value = ioread32(fifo_mem + SVGA_FIFO_3D_HWVERSION);
+ const struct vmw_fifo_state *fifo = &dev_priv->fifo;
+
+ param->value =
+ ioread32(fifo_mem +
+ ((fifo->capabilities &
+ SVGA_FIFO_CAP_3D_HWVERSION_REVISED) ?
+ SVGA_FIFO_3D_HWVERSION_REVISED :
+ SVGA_FIFO_3D_HWVERSION));
break;
}
default:
ret = -EINVAL;
goto out_no_fb;
}
-
vfb = vmw_framebuffer_to_vfb(obj_to_fb(obj));
- if (!vfb->dmabuf) {
- DRM_ERROR("Framebuffer not dmabuf backed.\n");
- ret = -EINVAL;
- goto out_no_fb;
- }
ret = ttm_read_lock(&vmaster->lock, true);
if (unlikely(ret != 0))
/* Might need a hrtimer here? */
#define VMWGFX_PRESENT_RATE ((HZ / 60 > 0) ? HZ / 60 : 1)
+
+struct vmw_clip_rect {
+ int x1, x2, y1, y2;
+};
+
+/**
+ * Clip @num_rects number of @rects against @clip storing the
+ * results in @out_rects and the number of passed rects in @out_num.
+ */
+void vmw_clip_cliprects(struct drm_clip_rect *rects,
+ int num_rects,
+ struct vmw_clip_rect clip,
+ SVGASignedRect *out_rects,
+ int *out_num)
+{
+ int i, k;
+
+ for (i = 0, k = 0; i < num_rects; i++) {
+ int x1 = max_t(int, clip.x1, rects[i].x1);
+ int y1 = max_t(int, clip.y1, rects[i].y1);
+ int x2 = min_t(int, clip.x2, rects[i].x2);
+ int y2 = min_t(int, clip.y2, rects[i].y2);
+
+ if (x1 >= x2)
+ continue;
+ if (y1 >= y2)
+ continue;
+
+ out_rects[k].left = x1;
+ out_rects[k].top = y1;
+ out_rects[k].right = x2;
+ out_rects[k].bottom = y2;
+ k++;
+ }
+
+ *out_num = k;
+}
+
void vmw_display_unit_cleanup(struct vmw_display_unit *du)
{
if (du->cursor_surface)
return 0;
}
+int vmw_cursor_update_dmabuf(struct vmw_private *dev_priv,
+ struct vmw_dma_buffer *dmabuf,
+ u32 width, u32 height,
+ u32 hotspotX, u32 hotspotY)
+{
+ struct ttm_bo_kmap_obj map;
+ unsigned long kmap_offset;
+ unsigned long kmap_num;
+ void *virtual;
+ bool dummy;
+ int ret;
+
+ kmap_offset = 0;
+ kmap_num = (width*height*4 + PAGE_SIZE - 1) >> PAGE_SHIFT;
+
+ ret = ttm_bo_reserve(&dmabuf->base, true, false, false, 0);
+ if (unlikely(ret != 0)) {
+ DRM_ERROR("reserve failed\n");
+ return -EINVAL;
+ }
+
+ ret = ttm_bo_kmap(&dmabuf->base, kmap_offset, kmap_num, &map);
+ if (unlikely(ret != 0))
+ goto err_unreserve;
+
+ virtual = ttm_kmap_obj_virtual(&map, &dummy);
+ ret = vmw_cursor_update_image(dev_priv, virtual, width, height,
+ hotspotX, hotspotY);
+
+ ttm_bo_kunmap(&map);
+err_unreserve:
+ ttm_bo_unreserve(&dmabuf->base);
+
+ return ret;
+}
+
+
void vmw_cursor_update_position(struct vmw_private *dev_priv,
bool show, int x, int y)
{
return -EINVAL;
if (handle) {
- ret = vmw_user_surface_lookup_handle(dev_priv, tfile,
- handle, &surface);
- if (!ret) {
- if (!surface->snooper.image) {
- DRM_ERROR("surface not suitable for cursor\n");
- vmw_surface_unreference(&surface);
- return -EINVAL;
- }
- } else {
- ret = vmw_user_dmabuf_lookup(tfile,
- handle, &dmabuf);
- if (ret) {
- DRM_ERROR("failed to find surface or dmabuf: %i\n", ret);
- return -EINVAL;
- }
+ ret = vmw_user_lookup_handle(dev_priv, tfile,
+ handle, &surface, &dmabuf);
+ if (ret) {
+ DRM_ERROR("failed to find surface or dmabuf: %i\n", ret);
+ return -EINVAL;
}
}
+ /* need to do this before taking down old image */
+ if (surface && !surface->snooper.image) {
+ DRM_ERROR("surface not suitable for cursor\n");
+ vmw_surface_unreference(&surface);
+ return -EINVAL;
+ }
+
/* takedown old cursor */
if (du->cursor_surface) {
du->cursor_surface->snooper.crtc = NULL;
vmw_cursor_update_image(dev_priv, surface->snooper.image,
64, 64, du->hotspot_x, du->hotspot_y);
} else if (dmabuf) {
- struct ttm_bo_kmap_obj map;
- unsigned long kmap_offset;
- unsigned long kmap_num;
- void *virtual;
- bool dummy;
-
/* vmw_user_surface_lookup takes one reference */
du->cursor_dmabuf = dmabuf;
- kmap_offset = 0;
- kmap_num = (64*64*4) >> PAGE_SHIFT;
-
- ret = ttm_bo_reserve(&dmabuf->base, true, false, false, 0);
- if (unlikely(ret != 0)) {
- DRM_ERROR("reserve failed\n");
- return -EINVAL;
- }
-
- ret = ttm_bo_kmap(&dmabuf->base, kmap_offset, kmap_num, &map);
- if (unlikely(ret != 0))
- goto err_unreserve;
-
- virtual = ttm_kmap_obj_virtual(&map, &dummy);
- vmw_cursor_update_image(dev_priv, virtual, 64, 64,
- du->hotspot_x, du->hotspot_y);
-
- ttm_bo_kunmap(&map);
-err_unreserve:
- ttm_bo_unreserve(&dmabuf->base);
-
+ ret = vmw_cursor_update_dmabuf(dev_priv, dmabuf, width, height,
+ du->hotspot_x, du->hotspot_y);
} else {
vmw_cursor_update_position(dev_priv, false, 0, 0);
return 0;
struct drm_clip_rect *clips,
unsigned num_clips, int inc)
{
- struct drm_clip_rect *clips_ptr;
struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
+ struct drm_clip_rect *clips_ptr;
+ struct drm_clip_rect *tmp;
struct drm_crtc *crtc;
size_t fifo_size;
int i, num_units;
} *cmd;
SVGASignedRect *blits;
-
num_units = 0;
list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list,
head) {
BUG_ON(!clips || !num_clips);
+ tmp = kzalloc(sizeof(*tmp) * num_clips, GFP_KERNEL);
+ if (unlikely(tmp == NULL)) {
+ DRM_ERROR("Temporary cliprect memory alloc failed.\n");
+ return -ENOMEM;
+ }
+
fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num_clips;
cmd = kzalloc(fifo_size, GFP_KERNEL);
if (unlikely(cmd == NULL)) {
DRM_ERROR("Temporary fifo memory alloc failed.\n");
- return -ENOMEM;
+ ret = -ENOMEM;
+ goto out_free_tmp;
}
+ /* setup blits pointer */
+ blits = (SVGASignedRect *)&cmd[1];
+
+ /* initial clip region */
left = clips->x1;
right = clips->x2;
top = clips->y1;
cmd->body.srcRect.bottom = bottom;
clips_ptr = clips;
- blits = (SVGASignedRect *)&cmd[1];
for (i = 0; i < num_clips; i++, clips_ptr += inc) {
- blits[i].left = clips_ptr->x1 - left;
- blits[i].right = clips_ptr->x2 - left;
- blits[i].top = clips_ptr->y1 - top;
- blits[i].bottom = clips_ptr->y2 - top;
+ tmp[i].x1 = clips_ptr->x1 - left;
+ tmp[i].x2 = clips_ptr->x2 - left;
+ tmp[i].y1 = clips_ptr->y1 - top;
+ tmp[i].y2 = clips_ptr->y2 - top;
}
/* do per unit writing, reuse fifo for each */
for (i = 0; i < num_units; i++) {
struct vmw_display_unit *unit = units[i];
- int clip_x1 = left - unit->crtc.x;
- int clip_y1 = top - unit->crtc.y;
- int clip_x2 = right - unit->crtc.x;
- int clip_y2 = bottom - unit->crtc.y;
+ struct vmw_clip_rect clip;
+ int num;
+
+ clip.x1 = left - unit->crtc.x;
+ clip.y1 = top - unit->crtc.y;
+ clip.x2 = right - unit->crtc.x;
+ clip.y2 = bottom - unit->crtc.y;
/* skip any crtcs that misses the clip region */
- if (clip_x1 >= unit->crtc.mode.hdisplay ||
- clip_y1 >= unit->crtc.mode.vdisplay ||
- clip_x2 <= 0 || clip_y2 <= 0)
+ if (clip.x1 >= unit->crtc.mode.hdisplay ||
+ clip.y1 >= unit->crtc.mode.vdisplay ||
+ clip.x2 <= 0 || clip.y2 <= 0)
continue;
+ /*
+ * In order for the clip rects to be correctly scaled
+ * the src and dest rects needs to be the same size.
+ */
+ cmd->body.destRect.left = clip.x1;
+ cmd->body.destRect.right = clip.x2;
+ cmd->body.destRect.top = clip.y1;
+ cmd->body.destRect.bottom = clip.y2;
+
+ /* create a clip rect of the crtc in dest coords */
+ clip.x2 = unit->crtc.mode.hdisplay - clip.x1;
+ clip.y2 = unit->crtc.mode.vdisplay - clip.y1;
+ clip.x1 = 0 - clip.x1;
+ clip.y1 = 0 - clip.y1;
+
/* need to reset sid as it is changed by execbuf */
cmd->body.srcImage.sid = cpu_to_le32(framebuffer->user_handle);
-
cmd->body.destScreenId = unit->unit;
- /*
- * The blit command is a lot more resilient then the
- * readback command when it comes to clip rects. So its
- * okay to go out of bounds.
- */
+ /* clip and write blits to cmd stream */
+ vmw_clip_cliprects(tmp, num_clips, clip, blits, &num);
- cmd->body.destRect.left = clip_x1;
- cmd->body.destRect.right = clip_x2;
- cmd->body.destRect.top = clip_y1;
- cmd->body.destRect.bottom = clip_y2;
+ /* if no cliprects hit skip this */
+ if (num == 0)
+ continue;
+ /* recalculate package length */
+ fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num;
+ cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header));
ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd,
fifo_size, 0, NULL);
break;
}
+
kfree(cmd);
+out_free_tmp:
+ kfree(tmp);
return ret;
}
* Sanity checks.
*/
+ /* Surface must be marked as a scanout. */
+ if (unlikely(!surface->scanout))
+ return -EINVAL;
+
if (unlikely(surface->mip_levels[0] != 1 ||
surface->num_sizes != 1 ||
surface->sizes[0].width < mode_cmd->width ||
int clip_y1 = clips_ptr->y1 - unit->crtc.y;
int clip_x2 = clips_ptr->x2 - unit->crtc.x;
int clip_y2 = clips_ptr->y2 - unit->crtc.y;
+ int move_x, move_y;
/* skip any crtcs that misses the clip region */
if (clip_x1 >= unit->crtc.mode.hdisplay ||
clip_x2 <= 0 || clip_y2 <= 0)
continue;
+ /* clip size to crtc size */
+ clip_x2 = min_t(int, clip_x2, unit->crtc.mode.hdisplay);
+ clip_y2 = min_t(int, clip_y2, unit->crtc.mode.vdisplay);
+
+ /* translate both src and dest to bring clip into screen */
+ move_x = min_t(int, clip_x1, 0);
+ move_y = min_t(int, clip_y1, 0);
+
+ /* actual translate done here */
blits[hit_num].header = SVGA_CMD_BLIT_GMRFB_TO_SCREEN;
blits[hit_num].body.destScreenId = unit->unit;
- blits[hit_num].body.srcOrigin.x = clips_ptr->x1;
- blits[hit_num].body.srcOrigin.y = clips_ptr->y1;
- blits[hit_num].body.destRect.left = clip_x1;
- blits[hit_num].body.destRect.top = clip_y1;
+ blits[hit_num].body.srcOrigin.x = clips_ptr->x1 - move_x;
+ blits[hit_num].body.srcOrigin.y = clips_ptr->y1 - move_y;
+ blits[hit_num].body.destRect.left = clip_x1 - move_x;
+ blits[hit_num].body.destRect.top = clip_y1 - move_y;
blits[hit_num].body.destRect.right = clip_x2;
blits[hit_num].body.destRect.bottom = clip_y2;
hit_num++;
return ERR_PTR(-ENOENT);
}
- /**
- * End conditioned code.
- */
-
- ret = vmw_user_surface_lookup_handle(dev_priv, tfile,
- mode_cmd->handle, &surface);
+ /* returns either a dmabuf or surface */
+ ret = vmw_user_lookup_handle(dev_priv, tfile,
+ mode_cmd->handle,
+ &surface, &bo);
if (ret)
- goto try_dmabuf;
-
- if (!surface->scanout)
- goto err_not_scanout;
-
- ret = vmw_kms_new_framebuffer_surface(dev_priv, file_priv, surface,
- &vfb, mode_cmd);
-
- /* vmw_user_surface_lookup takes one ref so does new_fb */
- vmw_surface_unreference(&surface);
-
- if (ret) {
- DRM_ERROR("failed to create vmw_framebuffer: %i\n", ret);
- ttm_base_object_unref(&user_obj);
- return ERR_PTR(ret);
- } else
- vfb->user_obj = user_obj;
- return &vfb->base;
-
-try_dmabuf:
- DRM_INFO("%s: trying buffer\n", __func__);
-
- ret = vmw_user_dmabuf_lookup(tfile, mode_cmd->handle, &bo);
- if (ret) {
- DRM_ERROR("failed to find buffer: %i\n", ret);
- return ERR_PTR(-ENOENT);
- }
-
- ret = vmw_kms_new_framebuffer_dmabuf(dev_priv, bo, &vfb,
- mode_cmd);
+ goto err_out;
+
+ /* Create the new framebuffer depending one what we got back */
+ if (bo)
+ ret = vmw_kms_new_framebuffer_dmabuf(dev_priv, bo, &vfb,
+ mode_cmd);
+ else if (surface)
+ ret = vmw_kms_new_framebuffer_surface(dev_priv, file_priv,
+ surface, &vfb, mode_cmd);
+ else
+ BUG();
- /* vmw_user_dmabuf_lookup takes one ref so does new_fb */
- vmw_dmabuf_unreference(&bo);
+err_out:
+ /* vmw_user_lookup_handle takes one ref so does new_fb */
+ if (bo)
+ vmw_dmabuf_unreference(&bo);
+ if (surface)
+ vmw_surface_unreference(&surface);
if (ret) {
DRM_ERROR("failed to create vmw_framebuffer: %i\n", ret);
vfb->user_obj = user_obj;
return &vfb->base;
-
-err_not_scanout:
- DRM_ERROR("surface not marked as scanout\n");
- /* vmw_user_surface_lookup takes one ref */
- vmw_surface_unreference(&surface);
- ttm_base_object_unref(&user_obj);
-
- return ERR_PTR(-EINVAL);
}
static struct drm_mode_config_funcs vmw_kms_funcs = {
uint32_t num_clips)
{
struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
+ struct drm_clip_rect *tmp;
struct drm_crtc *crtc;
size_t fifo_size;
int i, k, num_units;
int ret = 0; /* silence warning */
+ int left, right, top, bottom;
struct {
SVGA3dCmdHeader header;
BUG_ON(surface == NULL);
BUG_ON(!clips || !num_clips);
+ tmp = kzalloc(sizeof(*tmp) * num_clips, GFP_KERNEL);
+ if (unlikely(tmp == NULL)) {
+ DRM_ERROR("Temporary cliprect memory alloc failed.\n");
+ return -ENOMEM;
+ }
+
fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num_clips;
cmd = kmalloc(fifo_size, GFP_KERNEL);
if (unlikely(cmd == NULL)) {
DRM_ERROR("Failed to allocate temporary fifo memory.\n");
- return -ENOMEM;
+ ret = -ENOMEM;
+ goto out_free_tmp;
+ }
+
+ left = clips->x;
+ right = clips->x + clips->w;
+ top = clips->y;
+ bottom = clips->y + clips->h;
+
+ for (i = 1; i < num_clips; i++) {
+ left = min_t(int, left, (int)clips[i].x);
+ right = max_t(int, right, (int)clips[i].x + clips[i].w);
+ top = min_t(int, top, (int)clips[i].y);
+ bottom = max_t(int, bottom, (int)clips[i].y + clips[i].h);
}
/* only need to do this once */
memset(cmd, 0, fifo_size);
cmd->header.id = cpu_to_le32(SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN);
- cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header));
-
- cmd->body.srcRect.left = 0;
- cmd->body.srcRect.right = surface->sizes[0].width;
- cmd->body.srcRect.top = 0;
- cmd->body.srcRect.bottom = surface->sizes[0].height;
blits = (SVGASignedRect *)&cmd[1];
+
+ cmd->body.srcRect.left = left;
+ cmd->body.srcRect.right = right;
+ cmd->body.srcRect.top = top;
+ cmd->body.srcRect.bottom = bottom;
+
for (i = 0; i < num_clips; i++) {
- blits[i].left = clips[i].x;
- blits[i].right = clips[i].x + clips[i].w;
- blits[i].top = clips[i].y;
- blits[i].bottom = clips[i].y + clips[i].h;
+ tmp[i].x1 = clips[i].x - left;
+ tmp[i].x2 = clips[i].x + clips[i].w - left;
+ tmp[i].y1 = clips[i].y - top;
+ tmp[i].y2 = clips[i].y + clips[i].h - top;
}
for (k = 0; k < num_units; k++) {
struct vmw_display_unit *unit = units[k];
- int clip_x1 = destX - unit->crtc.x;
- int clip_y1 = destY - unit->crtc.y;
- int clip_x2 = clip_x1 + surface->sizes[0].width;
- int clip_y2 = clip_y1 + surface->sizes[0].height;
+ struct vmw_clip_rect clip;
+ int num;
+
+ clip.x1 = left + destX - unit->crtc.x;
+ clip.y1 = top + destY - unit->crtc.y;
+ clip.x2 = right + destX - unit->crtc.x;
+ clip.y2 = bottom + destY - unit->crtc.y;
/* skip any crtcs that misses the clip region */
- if (clip_x1 >= unit->crtc.mode.hdisplay ||
- clip_y1 >= unit->crtc.mode.vdisplay ||
- clip_x2 <= 0 || clip_y2 <= 0)
+ if (clip.x1 >= unit->crtc.mode.hdisplay ||
+ clip.y1 >= unit->crtc.mode.vdisplay ||
+ clip.x2 <= 0 || clip.y2 <= 0)
continue;
+ /*
+ * In order for the clip rects to be correctly scaled
+ * the src and dest rects needs to be the same size.
+ */
+ cmd->body.destRect.left = clip.x1;
+ cmd->body.destRect.right = clip.x2;
+ cmd->body.destRect.top = clip.y1;
+ cmd->body.destRect.bottom = clip.y2;
+
+ /* create a clip rect of the crtc in dest coords */
+ clip.x2 = unit->crtc.mode.hdisplay - clip.x1;
+ clip.y2 = unit->crtc.mode.vdisplay - clip.y1;
+ clip.x1 = 0 - clip.x1;
+ clip.y1 = 0 - clip.y1;
+
/* need to reset sid as it is changed by execbuf */
cmd->body.srcImage.sid = sid;
-
cmd->body.destScreenId = unit->unit;
- /*
- * The blit command is a lot more resilient then the
- * readback command when it comes to clip rects. So its
- * okay to go out of bounds.
- */
+ /* clip and write blits to cmd stream */
+ vmw_clip_cliprects(tmp, num_clips, clip, blits, &num);
- cmd->body.destRect.left = clip_x1;
- cmd->body.destRect.right = clip_x2;
- cmd->body.destRect.top = clip_y1;
- cmd->body.destRect.bottom = clip_y2;
+ /* if no cliprects hit skip this */
+ if (num == 0)
+ continue;
+ /* recalculate package length */
+ fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num;
+ cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header));
ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd,
fifo_size, 0, NULL);
}
kfree(cmd);
+out_free_tmp:
+ kfree(tmp);
return ret;
}
int vmw_cursor_update_image(struct vmw_private *dev_priv,
u32 *image, u32 width, u32 height,
u32 hotspotX, u32 hotspotY);
+int vmw_cursor_update_dmabuf(struct vmw_private *dev_priv,
+ struct vmw_dma_buffer *dmabuf,
+ u32 width, u32 height,
+ u32 hotspotX, u32 hotspotY);
void vmw_cursor_update_position(struct vmw_private *dev_priv,
bool show, int x, int y);
+
/**
* Base class display unit.
*
{
struct vmw_legacy_display *lds = dev_priv->ldu_priv;
struct vmw_legacy_display_unit *entry;
+ struct vmw_display_unit *du = NULL;
struct drm_framebuffer *fb = NULL;
struct drm_crtc *crtc = NULL;
- int i = 0;
+ int i = 0, ret;
/* If there is no display topology the host just assumes
* that the guest will set the same layout as the host.
lds->last_num_active = lds->num_active;
+
+ /* Find the first du with a cursor. */
+ list_for_each_entry(entry, &lds->active, active) {
+ du = &entry->base;
+
+ if (!du->cursor_dmabuf)
+ continue;
+
+ ret = vmw_cursor_update_dmabuf(dev_priv,
+ du->cursor_dmabuf,
+ 64, 64,
+ du->hotspot_x,
+ du->hotspot_y);
+ if (ret == 0)
+ break;
+
+ DRM_ERROR("Could not update cursor image\n");
+ }
+
return 0;
}
write_unlock(lock);
}
+/**
+ * Helper function that looks either a surface or dmabuf.
+ *
+ * The pointer this pointed at by out_surf and out_buf needs to be null.
+ */
+int vmw_user_lookup_handle(struct vmw_private *dev_priv,
+ struct ttm_object_file *tfile,
+ uint32_t handle,
+ struct vmw_surface **out_surf,
+ struct vmw_dma_buffer **out_buf)
+{
+ int ret;
+
+ BUG_ON(*out_surf || *out_buf);
+
+ ret = vmw_user_surface_lookup_handle(dev_priv, tfile, handle, out_surf);
+ if (!ret)
+ return 0;
+
+ ret = vmw_user_dmabuf_lookup(tfile, handle, out_buf);
+ return ret;
+}
+
int vmw_user_surface_lookup_handle(struct vmw_private *dev_priv,
struct ttm_object_file *tfile,
{
struct jz4740_hwmon *hwmon = dev_get_drvdata(dev);
struct completion *completion = &hwmon->read_completion;
- unsigned long t;
+ long t;
unsigned long val;
int ret;
return 0;
}
-struct platform_driver jz4740_hwmon_driver = {
+static struct platform_driver jz4740_hwmon_driver = {
.probe = jz4740_hwmon_probe,
.remove = __devexit_p(jz4740_hwmon_remove),
.driver = {
/* Set the number of I2C channel instance */
adap_info->ch_num = id->driver_data;
+ ret = request_irq(pdev->irq, pch_i2c_handler, IRQF_SHARED,
+ KBUILD_MODNAME, adap_info);
+ if (ret) {
+ pch_pci_err(pdev, "request_irq FAILED\n");
+ goto err_request_irq;
+ }
+
for (i = 0; i < adap_info->ch_num; i++) {
pch_adap = &adap_info->pch_data[i].pch_adapter;
adap_info->pch_i2c_suspended = false;
pch_adap->dev.parent = &pdev->dev;
+ pch_i2c_init(&adap_info->pch_data[i]);
ret = i2c_add_adapter(pch_adap);
if (ret) {
pch_pci_err(pdev, "i2c_add_adapter[ch:%d] FAILED\n", i);
- goto err_i2c_add_adapter;
+ goto err_add_adapter;
}
-
- pch_i2c_init(&adap_info->pch_data[i]);
- }
- ret = request_irq(pdev->irq, pch_i2c_handler, IRQF_SHARED,
- KBUILD_MODNAME, adap_info);
- if (ret) {
- pch_pci_err(pdev, "request_irq FAILED\n");
- goto err_i2c_add_adapter;
}
pci_set_drvdata(pdev, adap_info);
pch_pci_dbg(pdev, "returns %d.\n", ret);
return 0;
-err_i2c_add_adapter:
+err_add_adapter:
for (j = 0; j < i; j++)
i2c_del_adapter(&adap_info->pch_data[j].pch_adapter);
+ free_irq(pdev->irq, adap_info);
+err_request_irq:
pci_iounmap(pdev, base_addr);
err_pci_iomap:
pci_release_regions(pdev);
* size. This is to ensure that we can handle the status on int
* call back latencies.
*/
- if (dev->rev >= OMAP_I2C_REV_ON_3530_4430) {
- dev->fifo_size = 0;
+
+ dev->fifo_size = (dev->fifo_size / 2);
+
+ if (dev->rev >= OMAP_I2C_REV_ON_3530_4430)
dev->b_hw = 0; /* Disable hardware fixes */
- } else {
- dev->fifo_size = (dev->fifo_size / 2);
+ else
dev->b_hw = 1; /* Enable hardware fixes */
- }
+
/* calculate wakeup latency constraint for MPU */
if (dev->set_mpu_wkup_lat != NULL)
dev->latency = (1000000 * dev->fifo_size) /
/* first, try busy waiting briefly */
do {
+ cpu_relax();
iicstat = readl(i2c->regs + S3C2410_IICSTAT);
} while ((iicstat & S3C2410_IICSTAT_START) && --spins);
#else
static int s3c24xx_i2c_parse_dt_gpio(struct s3c24xx_i2c *i2c)
{
- return -EINVAL;
+ return 0;
}
static void s3c24xx_i2c_dt_gpio_free(struct s3c24xx_i2c *i2c)
req.private_data_len = sizeof(struct cma_hdr) +
conn_param->private_data_len;
+ if (req.private_data_len < conn_param->private_data_len)
+ return -EINVAL;
+
req.private_data = kzalloc(req.private_data_len, GFP_ATOMIC);
if (!req.private_data)
return -ENOMEM;
memset(&req, 0, sizeof req);
offset = cma_user_data_offset(id_priv->id.ps);
req.private_data_len = offset + conn_param->private_data_len;
+ if (req.private_data_len < conn_param->private_data_len)
+ return -EINVAL;
+
private_data = kzalloc(req.private_data_len, GFP_ATOMIC);
if (!private_data)
return -ENOMEM;
err_counter:
for (; i; --i)
- mlx4_counter_free(ibdev->dev, ibdev->counters[i - 1]);
+ if (ibdev->counters[i - 1] != -1)
+ mlx4_counter_free(ibdev->dev, ibdev->counters[i - 1]);
err_map:
iounmap(ibdev->uar_map);
}
iounmap(ibdev->uar_map);
for (p = 0; p < ibdev->num_ports; ++p)
- mlx4_counter_free(ibdev->dev, ibdev->counters[p]);
+ if (ibdev->counters[p] != -1)
+ mlx4_counter_free(ibdev->dev, ibdev->counters[p]);
mlx4_foreach_port(p, dev, MLX4_PORT_TYPE_IB)
mlx4_CLOSE_PORT(dev, p);
strlcpy(rcd->comm, current->comm, sizeof(rcd->comm));
ctxt_fp(fp) = rcd;
qib_stats.sps_ctxts++;
- dd->freectxts++;
+ dd->freectxts--;
ret = 0;
goto bail;
if (dd->pageshadow)
unlock_expected_tids(rcd);
qib_stats.sps_ctxts--;
- dd->freectxts--;
+ dd->freectxts++;
}
mutex_unlock(&qib_mutex);
static irqreturn_t cma3000_thread_irq(int irq, void *dev_id)
{
struct cma3000_accl_data *data = dev_id;
- int datax, datay, dataz;
- u8 ctrl, mode, range, intr_status;
+ int datax, datay, dataz, intr_status;
+ u8 ctrl, mode, range;
intr_status = CMA3000_READ(data, CMA3000_INTSTATUS, "interrupt status");
if (intr_status < 0)
*/
#include <linux/module.h>
+#include <linux/delay.h>
#include <linux/dmi.h>
#include <linux/input/mt.h>
#include <linux/serio.h>
do {
psmouse_reset(psmouse);
+ if (retry) {
+ /*
+ * On some boxes, right after resuming, the touchpad
+ * needs some time to finish initializing (I assume
+ * it needs time to calibrate) and start responding
+ * to Synaptics-specific queries, so let's wait a
+ * bit.
+ */
+ ssleep(1);
+ }
error = synaptics_detect(psmouse, 0);
} while (error && ++retry < 3);
static const struct wacom_features wacom_features_0xE6 =
{ "Wacom ISDv4 E6", WACOM_PKGLEN_TPC2FG, 27760, 15694, 255,
0, TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
+static const struct wacom_features wacom_features_0xEC =
+ { "Wacom ISDv4 EC", WACOM_PKGLEN_GRAPHIRE, 25710, 14500, 255,
+ 0, TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0x47 =
{ "Wacom Intuos2 6x8", WACOM_PKGLEN_INTUOS, 20320, 16240, 1023,
31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
{ USB_DEVICE_WACOM(0xE2) },
{ USB_DEVICE_WACOM(0xE3) },
{ USB_DEVICE_WACOM(0xE6) },
+ { USB_DEVICE_WACOM(0xEC) },
{ USB_DEVICE_WACOM(0x47) },
{ USB_DEVICE_LENOVO(0x6004) },
{ }
int dmar_disabled = 1;
#endif /*CONFIG_INTEL_IOMMU_DEFAULT_ON*/
+int intel_iommu_enabled = 0;
+EXPORT_SYMBOL_GPL(intel_iommu_enabled);
+
static int dmar_map_gfx = 1;
static int dmar_forcedac;
static int intel_iommu_strict;
bus_register_notifier(&pci_bus_type, &device_nb);
+ intel_iommu_enabled = 1;
+
return 0;
}
atomic_read(&bitmap->behind_writes),
bitmap->mddev->bitmap_info.max_write_behind);
}
- if (bitmap->mddev->degraded)
- /* Never clear bits or update events_cleared when degraded */
- success = 0;
while (sectors) {
sector_t blocks;
return;
}
- if (success &&
+ if (success && !bitmap->mddev->degraded &&
bitmap->events_cleared < bitmap->mddev->events) {
bitmap->events_cleared = bitmap->mddev->events;
bitmap->need_sync = 1;
return -EINVAL;
rdev->raid_disk = rdev->saved_raid_disk;
+ rdev->saved_raid_disk = -1;
newconf = linear_conf(mddev,mddev->raid_disks+1);
spares++;
md_new_event(mddev);
set_bit(MD_CHANGE_DEVS, &mddev->flags);
- } else
- break;
+ }
}
}
}
}
} else if (test_bit(In_sync, &rdev->flags))
set_bit(R5_Insync, &dev->flags);
- else {
+ else if (sh->sector + STRIPE_SECTORS <= rdev->recovery_offset)
/* in sync if before recovery_offset */
- if (sh->sector + STRIPE_SECTORS <= rdev->recovery_offset)
- set_bit(R5_Insync, &dev->flags);
- }
+ set_bit(R5_Insync, &dev->flags);
+ else if (test_bit(R5_UPTODATE, &dev->flags) &&
+ test_bit(R5_Expanded, &dev->flags))
+ /* If we've reshaped into here, we assume it is Insync.
+ * We will shortly update recovery_offset to make
+ * it official.
+ */
+ set_bit(R5_Insync, &dev->flags);
+
if (rdev && test_bit(R5_WriteError, &dev->flags)) {
clear_bit(R5_Insync, &dev->flags);
if (!test_bit(Faulty, &rdev->flags)) {
static int mxl5007t_read_reg(struct mxl5007t_state *state, u8 reg, u8 *val)
{
+ u8 buf[2] = { 0xfb, reg };
struct i2c_msg msg[] = {
{ .addr = state->i2c_props.addr, .flags = 0,
- .buf = ®, .len = 1 },
+ .buf = buf, .len = 2 },
{ .addr = state->i2c_props.addr, .flags = I2C_M_RD,
.buf = val, .len = 1 },
};
switch (params->u.ofdm.bandwidth) {
case BANDWIDTH_6_MHZ:
LP_Fc = 0;
- LO_Frac = params->frequency + 4000000;
+ LO_Frac = params->frequency + 3000000;
break;
case BANDWIDTH_7_MHZ:
LP_Fc = 1;
dma_addr_t inbuf_dma;
dma_addr_t outbuf_dma;
- unsigned char old_data[2]; /* Detect duplicate events */
+ unsigned char old_data; /* Detect duplicate events */
unsigned long old_jiffies;
unsigned long acc_jiffies; /* handle acceleration */
unsigned long first_jiffies;
/* Translation table from hardware messages to input events. */
static const struct {
short kind;
- unsigned char data1, data2;
+ unsigned char data;
int type;
unsigned int code;
int value;
} ati_remote_tbl[] = {
/* Directional control pad axes */
- {KIND_ACCEL, 0x35, 0x70, EV_REL, REL_X, -1}, /* left */
- {KIND_ACCEL, 0x36, 0x71, EV_REL, REL_X, 1}, /* right */
- {KIND_ACCEL, 0x37, 0x72, EV_REL, REL_Y, -1}, /* up */
- {KIND_ACCEL, 0x38, 0x73, EV_REL, REL_Y, 1}, /* down */
+ {KIND_ACCEL, 0x70, EV_REL, REL_X, -1}, /* left */
+ {KIND_ACCEL, 0x71, EV_REL, REL_X, 1}, /* right */
+ {KIND_ACCEL, 0x72, EV_REL, REL_Y, -1}, /* up */
+ {KIND_ACCEL, 0x73, EV_REL, REL_Y, 1}, /* down */
/* Directional control pad diagonals */
- {KIND_LU, 0x39, 0x74, EV_REL, 0, 0}, /* left up */
- {KIND_RU, 0x3a, 0x75, EV_REL, 0, 0}, /* right up */
- {KIND_LD, 0x3c, 0x77, EV_REL, 0, 0}, /* left down */
- {KIND_RD, 0x3b, 0x76, EV_REL, 0, 0}, /* right down */
+ {KIND_LU, 0x74, EV_REL, 0, 0}, /* left up */
+ {KIND_RU, 0x75, EV_REL, 0, 0}, /* right up */
+ {KIND_LD, 0x77, EV_REL, 0, 0}, /* left down */
+ {KIND_RD, 0x76, EV_REL, 0, 0}, /* right down */
/* "Mouse button" buttons */
- {KIND_LITERAL, 0x3d, 0x78, EV_KEY, BTN_LEFT, 1}, /* left btn down */
- {KIND_LITERAL, 0x3e, 0x79, EV_KEY, BTN_LEFT, 0}, /* left btn up */
- {KIND_LITERAL, 0x41, 0x7c, EV_KEY, BTN_RIGHT, 1},/* right btn down */
- {KIND_LITERAL, 0x42, 0x7d, EV_KEY, BTN_RIGHT, 0},/* right btn up */
+ {KIND_LITERAL, 0x78, EV_KEY, BTN_LEFT, 1}, /* left btn down */
+ {KIND_LITERAL, 0x79, EV_KEY, BTN_LEFT, 0}, /* left btn up */
+ {KIND_LITERAL, 0x7c, EV_KEY, BTN_RIGHT, 1},/* right btn down */
+ {KIND_LITERAL, 0x7d, EV_KEY, BTN_RIGHT, 0},/* right btn up */
/* Artificial "doubleclick" events are generated by the hardware.
* They are mapped to the "side" and "extra" mouse buttons here. */
- {KIND_FILTERED, 0x3f, 0x7a, EV_KEY, BTN_SIDE, 1}, /* left dblclick */
- {KIND_FILTERED, 0x43, 0x7e, EV_KEY, BTN_EXTRA, 1},/* right dblclick */
+ {KIND_FILTERED, 0x7a, EV_KEY, BTN_SIDE, 1}, /* left dblclick */
+ {KIND_FILTERED, 0x7e, EV_KEY, BTN_EXTRA, 1},/* right dblclick */
/* Non-mouse events are handled by rc-core */
- {KIND_END, 0x00, 0x00, EV_MAX + 1, 0, 0}
+ {KIND_END, 0x00, EV_MAX + 1, 0, 0}
};
/* Local function prototypes */
return retval;
}
-/*
- * ati_remote_event_lookup
- */
-static int ati_remote_event_lookup(int rem, unsigned char d1, unsigned char d2)
-{
- int i;
-
- for (i = 0; ati_remote_tbl[i].kind != KIND_END; i++) {
- /*
- * Decide if the table entry matches the remote input.
- */
- if (ati_remote_tbl[i].data1 == d1 &&
- ati_remote_tbl[i].data2 == d2)
- return i;
-
- }
- return -1;
-}
-
/*
* ati_remote_compute_accel
*
int index = -1;
int acc;
int remote_num;
- unsigned char scancode[2];
+ unsigned char scancode;
+ int i;
+
+ /*
+ * data[0] = 0x14
+ * data[1] = data[2] + data[3] + 0xd5 (a checksum byte)
+ * data[2] = the key code (with toggle bit in MSB with some models)
+ * data[3] = channel << 4 (the low 4 bits must be zero)
+ */
/* Deal with strange looking inputs */
if ( (urb->actual_length != 4) || (data[0] != 0x14) ||
return;
}
+ if (data[1] != ((data[2] + data[3] + 0xd5) & 0xff)) {
+ dbginfo(&ati_remote->interface->dev,
+ "wrong checksum in input: %02x %02x %02x %02x\n",
+ data[0], data[1], data[2], data[3]);
+ return;
+ }
+
/* Mask unwanted remote channels. */
/* note: remote_num is 0-based, channel 1 on remote == 0 here */
remote_num = (data[3] >> 4) & 0x0f;
return;
}
- scancode[0] = (((data[1] - ((remote_num + 1) << 4)) & 0xf0) | (data[1] & 0x0f));
-
/*
- * Some devices (e.g. SnapStream Firefly) use 8080 as toggle code,
- * so we have to clear them. The first bit is a bit tricky as the
- * "non-toggled" state depends on remote_num, so we xor it with the
- * second bit which is only used for toggle.
+ * MSB is a toggle code, though only used by some devices
+ * (e.g. SnapStream Firefly)
*/
- scancode[0] ^= (data[2] & 0x80);
-
- scancode[1] = data[2] & ~0x80;
+ scancode = data[2] & 0x7f;
- /* Look up event code index in mouse translation table. */
- index = ati_remote_event_lookup(remote_num, scancode[0], scancode[1]);
+ /* Look up event code index in the mouse translation table. */
+ for (i = 0; ati_remote_tbl[i].kind != KIND_END; i++) {
+ if (scancode == ati_remote_tbl[i].data) {
+ index = i;
+ break;
+ }
+ }
if (index >= 0) {
dbginfo(&ati_remote->interface->dev,
- "channel 0x%02x; mouse data %02x,%02x; index %d; keycode %d\n",
- remote_num, data[1], data[2], index, ati_remote_tbl[index].code);
+ "channel 0x%02x; mouse data %02x; index %d; keycode %d\n",
+ remote_num, data[2], index, ati_remote_tbl[index].code);
if (!dev)
return; /* no mouse device */
} else
dbginfo(&ati_remote->interface->dev,
- "channel 0x%02x; key data %02x,%02x, scancode %02x,%02x\n",
- remote_num, data[1], data[2], scancode[0], scancode[1]);
+ "channel 0x%02x; key data %02x, scancode %02x\n",
+ remote_num, data[2], scancode);
if (index >= 0 && ati_remote_tbl[index].kind == KIND_LITERAL) {
unsigned long now = jiffies;
/* Filter duplicate events which happen "too close" together. */
- if (ati_remote->old_data[0] == data[1] &&
- ati_remote->old_data[1] == data[2] &&
+ if (ati_remote->old_data == data[2] &&
time_before(now, ati_remote->old_jiffies +
msecs_to_jiffies(repeat_filter))) {
ati_remote->repeat_count++;
ati_remote->first_jiffies = now;
}
- ati_remote->old_data[0] = data[1];
- ati_remote->old_data[1] = data[2];
+ ati_remote->old_data = data[2];
ati_remote->old_jiffies = now;
/* Ensure we skip at least the 4 first duplicate events (generated
if (index < 0) {
/* Not a mouse event, hand it to rc-core. */
- u32 rc_code = (scancode[0] << 8) | scancode[1];
/*
* We don't use the rc-core repeat handling yet as
* it would cause ghost repeats which would be a
* regression for this driver.
*/
- rc_keydown_notimeout(ati_remote->rdev, rc_code,
+ rc_keydown_notimeout(ati_remote->rdev, scancode,
data[2]);
rc_keyup(ati_remote->rdev);
return;
input_sync(dev);
ati_remote->old_jiffies = jiffies;
- ati_remote->old_data[0] = data[1];
- ati_remote->old_data[1] = data[2];
+ ati_remote->old_data = data[2];
}
}
#include <media/rc-map.h>
static struct rc_map_table ati_x10[] = {
- { 0xd20d, KEY_1 },
- { 0xd30e, KEY_2 },
- { 0xd40f, KEY_3 },
- { 0xd510, KEY_4 },
- { 0xd611, KEY_5 },
- { 0xd712, KEY_6 },
- { 0xd813, KEY_7 },
- { 0xd914, KEY_8 },
- { 0xda15, KEY_9 },
- { 0xdc17, KEY_0 },
- { 0xc500, KEY_A },
- { 0xc601, KEY_B },
- { 0xde19, KEY_C },
- { 0xe01b, KEY_D },
- { 0xe621, KEY_E },
- { 0xe823, KEY_F },
+ { 0x0d, KEY_1 },
+ { 0x0e, KEY_2 },
+ { 0x0f, KEY_3 },
+ { 0x10, KEY_4 },
+ { 0x11, KEY_5 },
+ { 0x12, KEY_6 },
+ { 0x13, KEY_7 },
+ { 0x14, KEY_8 },
+ { 0x15, KEY_9 },
+ { 0x17, KEY_0 },
+ { 0x00, KEY_A },
+ { 0x01, KEY_B },
+ { 0x19, KEY_C },
+ { 0x1b, KEY_D },
+ { 0x21, KEY_E },
+ { 0x23, KEY_F },
- { 0xdd18, KEY_KPENTER }, /* "check" */
- { 0xdb16, KEY_MENU }, /* "menu" */
- { 0xc702, KEY_POWER }, /* Power */
- { 0xc803, KEY_TV }, /* TV */
- { 0xc904, KEY_DVD }, /* DVD */
- { 0xca05, KEY_WWW }, /* WEB */
- { 0xcb06, KEY_BOOKMARKS }, /* "book" */
- { 0xcc07, KEY_EDIT }, /* "hand" */
- { 0xe11c, KEY_COFFEE }, /* "timer" */
- { 0xe520, KEY_FRONT }, /* "max" */
- { 0xe21d, KEY_LEFT }, /* left */
- { 0xe41f, KEY_RIGHT }, /* right */
- { 0xe722, KEY_DOWN }, /* down */
- { 0xdf1a, KEY_UP }, /* up */
- { 0xe31e, KEY_OK }, /* "OK" */
- { 0xce09, KEY_VOLUMEDOWN }, /* VOL + */
- { 0xcd08, KEY_VOLUMEUP }, /* VOL - */
- { 0xcf0a, KEY_MUTE }, /* MUTE */
- { 0xd00b, KEY_CHANNELUP }, /* CH + */
- { 0xd10c, KEY_CHANNELDOWN },/* CH - */
- { 0xec27, KEY_RECORD }, /* ( o) red */
- { 0xea25, KEY_PLAY }, /* ( >) */
- { 0xe924, KEY_REWIND }, /* (<<) */
- { 0xeb26, KEY_FORWARD }, /* (>>) */
- { 0xed28, KEY_STOP }, /* ([]) */
- { 0xee29, KEY_PAUSE }, /* ('') */
- { 0xf02b, KEY_PREVIOUS }, /* (<-) */
- { 0xef2a, KEY_NEXT }, /* (>+) */
- { 0xf22d, KEY_INFO }, /* PLAYING */
- { 0xf32e, KEY_HOME }, /* TOP */
- { 0xf42f, KEY_END }, /* END */
- { 0xf530, KEY_SELECT }, /* SELECT */
+ { 0x18, KEY_KPENTER }, /* "check" */
+ { 0x16, KEY_MENU }, /* "menu" */
+ { 0x02, KEY_POWER }, /* Power */
+ { 0x03, KEY_TV }, /* TV */
+ { 0x04, KEY_DVD }, /* DVD */
+ { 0x05, KEY_WWW }, /* WEB */
+ { 0x06, KEY_BOOKMARKS }, /* "book" */
+ { 0x07, KEY_EDIT }, /* "hand" */
+ { 0x1c, KEY_COFFEE }, /* "timer" */
+ { 0x20, KEY_FRONT }, /* "max" */
+ { 0x1d, KEY_LEFT }, /* left */
+ { 0x1f, KEY_RIGHT }, /* right */
+ { 0x22, KEY_DOWN }, /* down */
+ { 0x1a, KEY_UP }, /* up */
+ { 0x1e, KEY_OK }, /* "OK" */
+ { 0x09, KEY_VOLUMEDOWN }, /* VOL + */
+ { 0x08, KEY_VOLUMEUP }, /* VOL - */
+ { 0x0a, KEY_MUTE }, /* MUTE */
+ { 0x0b, KEY_CHANNELUP }, /* CH + */
+ { 0x0c, KEY_CHANNELDOWN },/* CH - */
+ { 0x27, KEY_RECORD }, /* ( o) red */
+ { 0x25, KEY_PLAY }, /* ( >) */
+ { 0x24, KEY_REWIND }, /* (<<) */
+ { 0x26, KEY_FORWARD }, /* (>>) */
+ { 0x28, KEY_STOP }, /* ([]) */
+ { 0x29, KEY_PAUSE }, /* ('') */
+ { 0x2b, KEY_PREVIOUS }, /* (<-) */
+ { 0x2a, KEY_NEXT }, /* (>+) */
+ { 0x2d, KEY_INFO }, /* PLAYING */
+ { 0x2e, KEY_HOME }, /* TOP */
+ { 0x2f, KEY_END }, /* END */
+ { 0x30, KEY_SELECT }, /* SELECT */
};
static struct rc_map_list ati_x10_map = {
#include <media/rc-map.h>
static struct rc_map_table medion_x10[] = {
- { 0xf12c, KEY_TV }, /* TV */
- { 0xf22d, KEY_VCR }, /* VCR */
- { 0xc904, KEY_DVD }, /* DVD */
- { 0xcb06, KEY_AUDIO }, /* MUSIC */
-
- { 0xf32e, KEY_RADIO }, /* RADIO */
- { 0xca05, KEY_DIRECTORY }, /* PHOTO */
- { 0xf42f, KEY_INFO }, /* TV-PREVIEW */
- { 0xf530, KEY_LIST }, /* CHANNEL-LST */
-
- { 0xe01b, KEY_SETUP }, /* SETUP */
- { 0xf631, KEY_VIDEO }, /* VIDEO DESKTOP */
-
- { 0xcd08, KEY_VOLUMEDOWN }, /* VOL - */
- { 0xce09, KEY_VOLUMEUP }, /* VOL + */
- { 0xd00b, KEY_CHANNELUP }, /* CHAN + */
- { 0xd10c, KEY_CHANNELDOWN }, /* CHAN - */
- { 0xc500, KEY_MUTE }, /* MUTE */
-
- { 0xf732, KEY_RED }, /* red */
- { 0xf833, KEY_GREEN }, /* green */
- { 0xf934, KEY_YELLOW }, /* yellow */
- { 0xfa35, KEY_BLUE }, /* blue */
- { 0xdb16, KEY_TEXT }, /* TXT */
-
- { 0xd20d, KEY_1 },
- { 0xd30e, KEY_2 },
- { 0xd40f, KEY_3 },
- { 0xd510, KEY_4 },
- { 0xd611, KEY_5 },
- { 0xd712, KEY_6 },
- { 0xd813, KEY_7 },
- { 0xd914, KEY_8 },
- { 0xda15, KEY_9 },
- { 0xdc17, KEY_0 },
- { 0xe11c, KEY_SEARCH }, /* TV/RAD, CH SRC */
- { 0xe520, KEY_DELETE }, /* DELETE */
-
- { 0xfb36, KEY_KEYBOARD }, /* RENAME */
- { 0xdd18, KEY_SCREEN }, /* SNAPSHOT */
-
- { 0xdf1a, KEY_UP }, /* up */
- { 0xe722, KEY_DOWN }, /* down */
- { 0xe21d, KEY_LEFT }, /* left */
- { 0xe41f, KEY_RIGHT }, /* right */
- { 0xe31e, KEY_OK }, /* OK */
-
- { 0xfc37, KEY_SELECT }, /* ACQUIRE IMAGE */
- { 0xfd38, KEY_EDIT }, /* EDIT IMAGE */
-
- { 0xe924, KEY_REWIND }, /* rewind (<<) */
- { 0xea25, KEY_PLAY }, /* play ( >) */
- { 0xeb26, KEY_FORWARD }, /* forward (>>) */
- { 0xec27, KEY_RECORD }, /* record ( o) */
- { 0xed28, KEY_STOP }, /* stop ([]) */
- { 0xee29, KEY_PAUSE }, /* pause ('') */
-
- { 0xe621, KEY_PREVIOUS }, /* prev */
- { 0xfe39, KEY_SWITCHVIDEOMODE }, /* F SCR */
- { 0xe823, KEY_NEXT }, /* next */
- { 0xde19, KEY_MENU }, /* MENU */
- { 0xff3a, KEY_LANGUAGE }, /* AUDIO */
-
- { 0xc702, KEY_POWER }, /* POWER */
+ { 0x2c, KEY_TV }, /* TV */
+ { 0x2d, KEY_VCR }, /* VCR */
+ { 0x04, KEY_DVD }, /* DVD */
+ { 0x06, KEY_AUDIO }, /* MUSIC */
+
+ { 0x2e, KEY_RADIO }, /* RADIO */
+ { 0x05, KEY_DIRECTORY }, /* PHOTO */
+ { 0x2f, KEY_INFO }, /* TV-PREVIEW */
+ { 0x30, KEY_LIST }, /* CHANNEL-LST */
+
+ { 0x1b, KEY_SETUP }, /* SETUP */
+ { 0x31, KEY_VIDEO }, /* VIDEO DESKTOP */
+
+ { 0x08, KEY_VOLUMEDOWN }, /* VOL - */
+ { 0x09, KEY_VOLUMEUP }, /* VOL + */
+ { 0x0b, KEY_CHANNELUP }, /* CHAN + */
+ { 0x0c, KEY_CHANNELDOWN }, /* CHAN - */
+ { 0x00, KEY_MUTE }, /* MUTE */
+
+ { 0x32, KEY_RED }, /* red */
+ { 0x33, KEY_GREEN }, /* green */
+ { 0x34, KEY_YELLOW }, /* yellow */
+ { 0x35, KEY_BLUE }, /* blue */
+ { 0x16, KEY_TEXT }, /* TXT */
+
+ { 0x0d, KEY_1 },
+ { 0x0e, KEY_2 },
+ { 0x0f, KEY_3 },
+ { 0x10, KEY_4 },
+ { 0x11, KEY_5 },
+ { 0x12, KEY_6 },
+ { 0x13, KEY_7 },
+ { 0x14, KEY_8 },
+ { 0x15, KEY_9 },
+ { 0x17, KEY_0 },
+ { 0x1c, KEY_SEARCH }, /* TV/RAD, CH SRC */
+ { 0x20, KEY_DELETE }, /* DELETE */
+
+ { 0x36, KEY_KEYBOARD }, /* RENAME */
+ { 0x18, KEY_SCREEN }, /* SNAPSHOT */
+
+ { 0x1a, KEY_UP }, /* up */
+ { 0x22, KEY_DOWN }, /* down */
+ { 0x1d, KEY_LEFT }, /* left */
+ { 0x1f, KEY_RIGHT }, /* right */
+ { 0x1e, KEY_OK }, /* OK */
+
+ { 0x37, KEY_SELECT }, /* ACQUIRE IMAGE */
+ { 0x38, KEY_EDIT }, /* EDIT IMAGE */
+
+ { 0x24, KEY_REWIND }, /* rewind (<<) */
+ { 0x25, KEY_PLAY }, /* play ( >) */
+ { 0x26, KEY_FORWARD }, /* forward (>>) */
+ { 0x27, KEY_RECORD }, /* record ( o) */
+ { 0x28, KEY_STOP }, /* stop ([]) */
+ { 0x29, KEY_PAUSE }, /* pause ('') */
+
+ { 0x21, KEY_PREVIOUS }, /* prev */
+ { 0x39, KEY_SWITCHVIDEOMODE }, /* F SCR */
+ { 0x23, KEY_NEXT }, /* next */
+ { 0x19, KEY_MENU }, /* MENU */
+ { 0x3a, KEY_LANGUAGE }, /* AUDIO */
+
+ { 0x02, KEY_POWER }, /* POWER */
};
static struct rc_map_list medion_x10_map = {
#include <media/rc-map.h>
static struct rc_map_table snapstream_firefly[] = {
- { 0xf12c, KEY_ZOOM }, /* Maximize */
- { 0xc702, KEY_CLOSE },
-
- { 0xd20d, KEY_1 },
- { 0xd30e, KEY_2 },
- { 0xd40f, KEY_3 },
- { 0xd510, KEY_4 },
- { 0xd611, KEY_5 },
- { 0xd712, KEY_6 },
- { 0xd813, KEY_7 },
- { 0xd914, KEY_8 },
- { 0xda15, KEY_9 },
- { 0xdc17, KEY_0 },
- { 0xdb16, KEY_BACK },
- { 0xdd18, KEY_KPENTER }, /* ent */
-
- { 0xce09, KEY_VOLUMEUP },
- { 0xcd08, KEY_VOLUMEDOWN },
- { 0xcf0a, KEY_MUTE },
- { 0xd00b, KEY_CHANNELUP },
- { 0xd10c, KEY_CHANNELDOWN },
- { 0xc500, KEY_VENDOR }, /* firefly */
-
- { 0xf32e, KEY_INFO },
- { 0xf42f, KEY_OPTION },
-
- { 0xe21d, KEY_LEFT },
- { 0xe41f, KEY_RIGHT },
- { 0xe722, KEY_DOWN },
- { 0xdf1a, KEY_UP },
- { 0xe31e, KEY_OK },
-
- { 0xe11c, KEY_MENU },
- { 0xe520, KEY_EXIT },
-
- { 0xec27, KEY_RECORD },
- { 0xea25, KEY_PLAY },
- { 0xed28, KEY_STOP },
- { 0xe924, KEY_REWIND },
- { 0xeb26, KEY_FORWARD },
- { 0xee29, KEY_PAUSE },
- { 0xf02b, KEY_PREVIOUS },
- { 0xef2a, KEY_NEXT },
-
- { 0xcb06, KEY_AUDIO }, /* Music */
- { 0xca05, KEY_IMAGES }, /* Photos */
- { 0xc904, KEY_DVD },
- { 0xc803, KEY_TV },
- { 0xcc07, KEY_VIDEO },
-
- { 0xc601, KEY_HELP },
- { 0xf22d, KEY_MODE }, /* Mouse */
-
- { 0xde19, KEY_A },
- { 0xe01b, KEY_B },
- { 0xe621, KEY_C },
- { 0xe823, KEY_D },
+ { 0x2c, KEY_ZOOM }, /* Maximize */
+ { 0x02, KEY_CLOSE },
+
+ { 0x0d, KEY_1 },
+ { 0x0e, KEY_2 },
+ { 0x0f, KEY_3 },
+ { 0x10, KEY_4 },
+ { 0x11, KEY_5 },
+ { 0x12, KEY_6 },
+ { 0x13, KEY_7 },
+ { 0x14, KEY_8 },
+ { 0x15, KEY_9 },
+ { 0x17, KEY_0 },
+ { 0x16, KEY_BACK },
+ { 0x18, KEY_KPENTER }, /* ent */
+
+ { 0x09, KEY_VOLUMEUP },
+ { 0x08, KEY_VOLUMEDOWN },
+ { 0x0a, KEY_MUTE },
+ { 0x0b, KEY_CHANNELUP },
+ { 0x0c, KEY_CHANNELDOWN },
+ { 0x00, KEY_VENDOR }, /* firefly */
+
+ { 0x2e, KEY_INFO },
+ { 0x2f, KEY_OPTION },
+
+ { 0x1d, KEY_LEFT },
+ { 0x1f, KEY_RIGHT },
+ { 0x22, KEY_DOWN },
+ { 0x1a, KEY_UP },
+ { 0x1e, KEY_OK },
+
+ { 0x1c, KEY_MENU },
+ { 0x20, KEY_EXIT },
+
+ { 0x27, KEY_RECORD },
+ { 0x25, KEY_PLAY },
+ { 0x28, KEY_STOP },
+ { 0x24, KEY_REWIND },
+ { 0x26, KEY_FORWARD },
+ { 0x29, KEY_PAUSE },
+ { 0x2b, KEY_PREVIOUS },
+ { 0x2a, KEY_NEXT },
+
+ { 0x06, KEY_AUDIO }, /* Music */
+ { 0x05, KEY_IMAGES }, /* Photos */
+ { 0x04, KEY_DVD },
+ { 0x03, KEY_TV },
+ { 0x07, KEY_VIDEO },
+
+ { 0x01, KEY_HELP },
+ { 0x2d, KEY_MODE }, /* Mouse */
+
+ { 0x19, KEY_A },
+ { 0x1b, KEY_B },
+ { 0x21, KEY_C },
+ { 0x23, KEY_D },
};
static struct rc_map_list snapstream_firefly_map = {
switch (tv.model) {
case 72000: /* WinTV-HVR950q (Retail, IR, ATSC/QAM */
case 72001: /* WinTV-HVR950q (Retail, IR, ATSC/QAM and analog video */
+ case 72101: /* WinTV-HVR950q (Retail, IR, ATSC/QAM and analog video */
+ case 72201: /* WinTV-HVR950q (OEM, IR, ATSC/QAM and analog video */
case 72211: /* WinTV-HVR950q (OEM, IR, ATSC/QAM and analog video */
case 72221: /* WinTV-HVR950q (OEM, IR, ATSC/QAM and analog video */
case 72231: /* WinTV-HVR950q (OEM, IR, ATSC/QAM and analog video */
case 72241: /* WinTV-HVR950q (OEM, No IR, ATSC/QAM and analog video */
case 72251: /* WinTV-HVR950q (Retail, IR, ATSC/QAM and analog video */
+ case 72261: /* WinTV-HVR950q (OEM, IR, ATSC/QAM and analog video */
case 72301: /* WinTV-HVR850 (Retail, IR, ATSC and analog video */
case 72500: /* WinTV-HVR950q (OEM, No IR, ATSC/QAM */
break;
.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL },
{ USB_DEVICE(0x2040, 0x8200),
.driver_info = AU0828_BOARD_HAUPPAUGE_WOODBURY },
+ { USB_DEVICE(0x2040, 0x7260),
+ .driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
+ { USB_DEVICE(0x2040, 0x7213),
+ .driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
{ },
};
* @pad: media pad
* @ffmt: current fmt according to resolution type
* @res_type: current resolution type
- * @code: current code
* @irq_waitq: waitqueue for the capture
* @work_irq: workqueue for the IRQ
* @flags: state variable for the interrupt handler
struct media_pad pad;
struct v4l2_mbus_framefmt ffmt[M5MOLS_RESTYPE_MAX];
int res_type;
- enum v4l2_mbus_pixelcode code;
wait_queue_head_t irq_waitq;
struct work_struct work_irq;
unsigned long flags;
int ret = -EINVAL;
u8 reg;
- if (mode < REG_PARAMETER && mode > REG_CAPTURE)
+ if (mode < REG_PARAMETER || mode > REG_CAPTURE)
return ret;
ret = m5mols_read_u8(sd, SYSTEM_SYSMODE, ®);
struct m5mols_info *info = to_m5mols(sd);
struct v4l2_mbus_framefmt *format;
- if (fmt->pad != 0)
- return -EINVAL;
-
format = __find_format(info, fh, fmt->which, info->res_type);
if (!format)
return -EINVAL;
u32 resolution = 0;
int ret;
- if (fmt->pad != 0)
- return -EINVAL;
-
ret = __find_resolution(sd, format, &type, &resolution);
if (ret < 0)
return ret;
if (!sfmt)
return 0;
- *sfmt = m5mols_default_ffmt[type];
- sfmt->width = format->width;
- sfmt->height = format->height;
+
+ format->code = m5mols_default_ffmt[type].code;
+ format->colorspace = V4L2_COLORSPACE_JPEG;
+ format->field = V4L2_FIELD_NONE;
if (fmt->which == V4L2_SUBDEV_FORMAT_ACTIVE) {
+ *sfmt = *format;
info->resolution = resolution;
- info->code = format->code;
info->res_type = type;
}
static int m5mols_s_stream(struct v4l2_subdev *sd, int enable)
{
struct m5mols_info *info = to_m5mols(sd);
+ u32 code = info->ffmt[info->res_type].code;
if (enable) {
int ret = -EINVAL;
- if (is_code(info->code, M5MOLS_RESTYPE_MONITOR))
+ if (is_code(code, M5MOLS_RESTYPE_MONITOR))
ret = m5mols_start_monitor(info);
- if (is_code(info->code, M5MOLS_RESTYPE_CAPTURE))
+ if (is_code(code, M5MOLS_RESTYPE_CAPTURE))
ret = m5mols_start_capture(info);
return ret;
mt9m111->rect.height = MT9M111_MAX_HEIGHT;
mt9m111->fmt = &mt9m111_colour_fmts[0];
mt9m111->lastpage = -1;
+ mutex_init(&mt9m111->power_lock);
ret = mt9m111_video_probe(client);
if (ret) {
v4l2_i2c_subdev_init(&priv->subdev, client, &mt9t112_subdev_ops);
ret = mt9t112_camera_probe(client);
- if (ret)
+ if (ret) {
kfree(priv);
+ return ret;
+ }
/* Cannot fail: using the default supported pixel code */
mt9t112_set_params(priv, &rect, V4L2_MBUS_FMT_UYVY8_2X8);
#include <linux/irq.h>
#include <linux/videodev2.h>
#include <linux/dma-mapping.h>
+#include <linux/slab.h>
#include <media/videobuf-dma-contig.h>
#include <media/v4l2-device.h>
vid_dev->num_displays = 0;
for_each_dss_dev(dssdev) {
omap_dss_get_device(dssdev);
+
+ if (!dssdev->driver) {
+ dev_warn(&pdev->dev, "no driver for display: %s\n",
+ dssdev->name);
+ omap_dss_put_device(dssdev);
+ continue;
+ }
+
vid_dev->displays[vid_dev->num_displays++] = dssdev;
}
#include <linux/clk.h>
#include <linux/dma-mapping.h>
#include <linux/interrupt.h>
+#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
unsigned long flags;
struct sgdma_state *sg_state;
- if ((sglen < 0) || ((sglen > 0) & !sglist))
+ if ((sglen < 0) || ((sglen > 0) && !sglist))
return -EINVAL;
spin_lock_irqsave(&sgdma->lock, flags);
{
struct isp_pipeline *pipe =
to_isp_pipeline(&ccdc->video_out.video.entity);
- struct video_device *vdev = &ccdc->subdev.devnode;
+ struct video_device *vdev = ccdc->subdev.devnode;
struct v4l2_event event;
memset(&event, 0, sizeof(event));
static void isp_stat_queue_event(struct ispstat *stat, int err)
{
- struct video_device *vdev = &stat->subdev.devnode;
+ struct video_device *vdev = stat->subdev.devnode;
struct v4l2_event event;
struct omap3isp_stat_event_status *status = (void *)event.u.data;
#include <asm/cacheflush.h>
#include <linux/clk.h>
#include <linux/mm.h>
+#include <linux/module.h>
#include <linux/pagemap.h>
#include <linux/scatterlist.h>
#include <linux/sched.h>
static int ov6650_s_fmt(struct v4l2_subdev *sd, struct v4l2_mbus_framefmt *mf)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
- struct soc_camera_device *icd = (struct soc_camera_device *)sd->grp_id;
+ struct soc_camera_device *icd = v4l2_get_subdev_hostdata(sd);
struct soc_camera_sense *sense = icd->sense;
struct ov6650 *priv = to_ov6650(client);
bool half_scale = !is_unscaled_ok(mf->width, mf->height, &priv->rect);
vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
}
set_bit(ST_CAPT_SUSPENDED, &fimc->state);
+
+ fimc_hw_reset(fimc);
+ cap->buf_index = 0;
+
spin_unlock_irqrestore(&fimc->slock, flags);
if (streaming)
struct fimc_dev *fimc = ctx->fimc_dev;
int ret;
- if (test_bit(ST_CAPT_APPLY_CFG, &fimc->state))
+ if (!test_bit(ST_CAPT_APPLY_CFG, &fimc->state))
return 0;
spin_lock(&ctx->slock);
fimc_hw_set_rotation(ctx);
fimc_prepare_dma_offset(ctx, &ctx->d_frame);
fimc_hw_set_out_dma(ctx);
- set_bit(ST_CAPT_APPLY_CFG, &fimc->state);
+ clear_bit(ST_CAPT_APPLY_CFG, &fimc->state);
}
spin_unlock(&ctx->slock);
return ret;
int min_bufs;
int ret;
- fimc_hw_reset(fimc);
vid_cap->frame_count = 0;
ret = fimc_init_capture(fimc);
max_w = rotation ? pl->out_rot_en_w : pl->out_rot_dis_w;
min_w = ctx->state & FIMC_DST_CROP ? dst->width : var->min_out_pixsize;
min_h = ctx->state & FIMC_DST_CROP ? dst->height : var->min_out_pixsize;
- if (fimc->id == 1 && var->pix_hoff)
+ if (var->min_vsize_align == 1 && !rotation)
align_h = fimc_fmt_is_rgb(ffmt->color) ? 0 : 1;
depth = fimc_get_format_depth(ffmt);
mutex_lock(&fimc->lock);
set_frame_bounds(ff, mf->width, mf->height);
+ fimc->vid_cap.mf = *mf;
ff->fmt = ffmt;
/* Reset the crop rectangle if required. */
media_entity_cleanup(&sd->entity);
v4l2_device_unregister_subdev(sd);
kfree(sd);
- sd = NULL;
+ fimc->vid_cap.subdev = NULL;
}
/* Set default format at the sensor and host interface */
static struct fimc_fmt fimc_formats[] = {
{
.name = "RGB565",
- .fourcc = V4L2_PIX_FMT_RGB565X,
+ .fourcc = V4L2_PIX_FMT_RGB565,
.depth = { 16 },
.color = S5P_FIMC_RGB565,
.memplanes = 1,
mod_x = 6; /* 64 x 32 pixels tile */
mod_y = 5;
} else {
- if (fimc->id == 1 && variant->pix_hoff)
+ if (variant->min_vsize_align == 1)
mod_y = fimc_fmt_is_rgb(fmt->color) ? 0 : 1;
else
- mod_y = mod_x;
+ mod_y = ffs(variant->min_vsize_align) - 1;
}
- dbg("mod_x: %d, mod_y: %d, max_w: %d", mod_x, mod_y, max_w);
v4l_bound_align_image(&pix->width, 16, max_w, mod_x,
&pix->height, 8, variant->pix_limit->scaler_dis_w, mod_y, 0);
fimc->variant->min_inp_pixsize : fimc->variant->min_out_pixsize;
/* Get pixel alignment constraints. */
- if (fimc->id == 1 && fimc->variant->pix_hoff)
+ if (fimc->variant->min_vsize_align == 1)
halign = fimc_fmt_is_rgb(f->fmt->color) ? 0 : 1;
else
- halign = ffs(min_size) - 1;
+ halign = ffs(fimc->variant->min_vsize_align) - 1;
for (i = 0; i < f->fmt->colplanes; i++)
depth += f->fmt->depth[i];
pdata = pdev->dev.platform_data;
fimc->pdata = pdata;
- set_bit(ST_LPM, &fimc->state);
init_waitqueue_head(&fimc->irq_queue);
spin_lock_init(&fimc->slock);
/* Enable clocks and perform basic initalization */
clk_enable(fimc->clock[CLK_GATE]);
fimc_hw_reset(fimc);
- if (fimc->variant->out_buf_count > 4)
- fimc_hw_set_dma_seq(fimc, 0xF);
/* Resume the capture or mem-to-mem device */
if (fimc_capture_busy(fimc))
return 0;
}
fimc_hw_reset(fimc);
- if (fimc->variant->out_buf_count > 4)
- fimc_hw_set_dma_seq(fimc, 0xF);
spin_unlock_irqrestore(&fimc->slock, flags);
if (fimc_capture_busy(fimc))
struct fimc_dev *fimc = platform_get_drvdata(pdev);
pm_runtime_disable(&pdev->dev);
- fimc_runtime_suspend(&pdev->dev);
pm_runtime_set_suspended(&pdev->dev);
vb2_dma_contig_cleanup_ctx(fimc->alloc_ctx);
.min_inp_pixsize = 16,
.min_out_pixsize = 16,
.hor_offs_align = 8,
+ .min_vsize_align = 16,
.out_buf_count = 4,
.pix_limit = &s5p_pix_limit[0],
};
.min_inp_pixsize = 16,
.min_out_pixsize = 16,
.hor_offs_align = 8,
+ .min_vsize_align = 16,
.out_buf_count = 4,
.pix_limit = &s5p_pix_limit[1],
};
.min_inp_pixsize = 16,
.min_out_pixsize = 16,
.hor_offs_align = 8,
+ .min_vsize_align = 16,
.out_buf_count = 4,
.pix_limit = &s5p_pix_limit[1],
};
.min_inp_pixsize = 16,
.min_out_pixsize = 16,
.hor_offs_align = 1,
+ .min_vsize_align = 1,
.out_buf_count = 4,
.pix_limit = &s5p_pix_limit[2],
};
.min_inp_pixsize = 16,
.min_out_pixsize = 16,
.hor_offs_align = 8,
+ .min_vsize_align = 16,
.out_buf_count = 4,
.pix_limit = &s5p_pix_limit[2],
};
.min_inp_pixsize = 16,
.min_out_pixsize = 16,
.hor_offs_align = 2,
+ .min_vsize_align = 1,
.out_buf_count = 32,
.pix_limit = &s5p_pix_limit[1],
};
.min_inp_pixsize = 16,
.min_out_pixsize = 16,
.hor_offs_align = 2,
+ .min_vsize_align = 1,
.out_buf_count = 32,
.pix_limit = &s5p_pix_limit[3],
};
* @min_inp_pixsize: minimum input pixel size
* @min_out_pixsize: minimum output pixel size
* @hor_offs_align: horizontal pixel offset aligment
+ * @min_vsize_align: minimum vertical pixel size alignment
* @out_buf_count: the number of buffers in output DMA sequence
*/
struct samsung_fimc_variant {
u16 min_inp_pixsize;
u16 min_out_pixsize;
u16 hor_offs_align;
+ u16 min_vsize_align;
u16 out_buf_count;
};
sd = v4l2_i2c_new_subdev_board(&fmd->v4l2_dev, adapter,
s_info->pdata->board_info, NULL);
if (IS_ERR_OR_NULL(sd)) {
+ i2c_put_adapter(adapter);
v4l2_err(&fmd->v4l2_dev, "Failed to acquire subdev\n");
return NULL;
}
static void fimc_md_unregister_sensor(struct v4l2_subdev *sd)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
+ struct i2c_adapter *adapter;
if (!client)
return;
v4l2_device_unregister_subdev(sd);
+ adapter = client->adapter;
i2c_unregister_device(client);
- i2c_put_adapter(client->adapter);
+ if (adapter)
+ i2c_put_adapter(adapter);
}
static int fimc_md_register_sensor_entities(struct fimc_md *fmd)
static int fimc_md_register_video_nodes(struct fimc_md *fmd)
{
+ struct video_device *vdev;
int i, ret = 0;
for (i = 0; i < FIMC_MAX_DEVS && !ret; i++) {
if (!fmd->fimc[i])
continue;
- if (fmd->fimc[i]->m2m.vfd)
- ret = video_register_device(fmd->fimc[i]->m2m.vfd,
- VFL_TYPE_GRABBER, -1);
- if (ret)
- break;
- if (fmd->fimc[i]->vid_cap.vfd)
- ret = video_register_device(fmd->fimc[i]->vid_cap.vfd,
- VFL_TYPE_GRABBER, -1);
+ vdev = fmd->fimc[i]->m2m.vfd;
+ if (vdev) {
+ ret = video_register_device(vdev, VFL_TYPE_GRABBER, -1);
+ if (ret)
+ break;
+ v4l2_info(&fmd->v4l2_dev, "Registered %s as /dev/%s\n",
+ vdev->name, video_device_node_name(vdev));
+ }
+
+ vdev = fmd->fimc[i]->vid_cap.vfd;
+ if (vdev == NULL)
+ continue;
+ ret = video_register_device(vdev, VFL_TYPE_GRABBER, -1);
+ v4l2_info(&fmd->v4l2_dev, "Registered %s as /dev/%s\n",
+ vdev->name, video_device_node_name(vdev));
}
return ret;
if (WARN(csis == NULL,
"MIPI-CSI interface specified "
"but s5p-csis module is not loaded!\n"))
- continue;
+ return -EINVAL;
ret = media_entity_create_link(&sensor->entity, 0,
&csis->entity, CSIS_PAD_SINK,
struct fimc_md *fmd;
int ret;
- if (WARN(!pdev->dev.platform_data, "Platform data not specified!\n"))
- return -EINVAL;
-
fmd = kzalloc(sizeof(struct fimc_md), GFP_KERNEL);
if (!fmd)
return -ENOMEM;
if (ret)
goto err3;
- ret = fimc_md_register_sensor_entities(fmd);
- if (ret)
- goto err3;
+ if (pdev->dev.platform_data) {
+ ret = fimc_md_register_sensor_entities(fmd);
+ if (ret)
+ goto err3;
+ }
ret = fimc_md_create_links(fmd);
if (ret)
goto err3;
cfg = readl(dev->regs + S5P_CIGCTRL);
cfg &= ~S5P_CIGCTRL_SWRST;
writel(cfg, dev->regs + S5P_CIGCTRL);
+
+ if (dev->variant->out_buf_count > 4)
+ fimc_hw_set_dma_seq(dev, 0xF);
}
static u32 fimc_hw_get_in_flip(struct fimc_ctx *ctx)
struct fimc_scaler *sc = &ctx->scaler;
struct fimc_frame *src_frame = &ctx->s_frame;
struct fimc_frame *dst_frame = &ctx->d_frame;
- u32 cfg = 0;
+
+ u32 cfg = readl(dev->regs + S5P_CISCCTRL);
+
+ cfg &= ~(S5P_CISCCTRL_CSCR2Y_WIDE | S5P_CISCCTRL_CSCY2R_WIDE |
+ S5P_CISCCTRL_SCALEUP_H | S5P_CISCCTRL_SCALEUP_V |
+ S5P_CISCCTRL_SCALERBYPASS | S5P_CISCCTRL_ONE2ONE |
+ S5P_CISCCTRL_INRGB_FMT_MASK | S5P_CISCCTRL_OUTRGB_FMT_MASK |
+ S5P_CISCCTRL_INTERLACE | S5P_CISCCTRL_RGB_EXT);
if (!(ctx->flags & FIMC_COLOR_RANGE_NARROW))
cfg |= (S5P_CISCCTRL_CSCR2Y_WIDE | S5P_CISCCTRL_CSCY2R_WIDE);
fimc_hw_set_scaler(ctx);
cfg = readl(dev->regs + S5P_CISCCTRL);
+ cfg &= ~(S5P_CISCCTRL_MHRATIO_MASK | S5P_CISCCTRL_MVRATIO_MASK);
if (variant->has_mainscaler_ext) {
- cfg &= ~(S5P_CISCCTRL_MHRATIO_MASK | S5P_CISCCTRL_MVRATIO_MASK);
cfg |= S5P_CISCCTRL_MHRATIO_EXT(sc->main_hratio);
cfg |= S5P_CISCCTRL_MVRATIO_EXT(sc->main_vratio);
writel(cfg, dev->regs + S5P_CISCCTRL);
cfg |= S5P_CIEXTEN_MVRATIO_EXT(sc->main_vratio);
writel(cfg, dev->regs + S5P_CIEXTEN);
} else {
- cfg &= ~(S5P_CISCCTRL_MHRATIO_MASK | S5P_CISCCTRL_MVRATIO_MASK);
cfg |= S5P_CISCCTRL_MHRATIO(sc->main_hratio);
cfg |= S5P_CISCCTRL_MVRATIO(sc->main_vratio);
writel(cfg, dev->regs + S5P_CISCCTRL);
.num_planes = 1,
},
{
- .name = "H264 Encoded Stream",
+ .name = "H263 Encoded Stream",
.fourcc = V4L2_PIX_FMT_H263,
.codec_mode = S5P_FIMV_CODEC_H263_ENC,
.type = MFC_FMT_ENC,
#include <media/v4l2-ioctl.h>
#include <linux/videodev2.h>
#include <linux/mm.h>
+#include <linux/module.h>
#include <linux/version.h>
#include <linux/timer.h>
#include <media/videobuf2-dma-contig.h>
ret = sh_mobile_ceu_soft_reset(pcdev);
csi2_sd = find_csi2(pcdev);
- if (csi2_sd)
- csi2_sd->grp_id = (long)icd;
+ if (csi2_sd) {
+ csi2_sd->grp_id = soc_camera_grp_id(icd);
+ v4l2_set_subdev_hostdata(csi2_sd, icd);
+ }
ret = v4l2_subdev_call(csi2_sd, core, s_power, 1);
if (ret < 0 && ret != -ENOIOCTLCMD && ret != -ENODEV) {
{
if (pcdev->csi2_pdev) {
struct v4l2_subdev *csi2_sd = find_csi2(pcdev);
- if (csi2_sd && csi2_sd->grp_id == (u32)icd)
+ if (csi2_sd && csi2_sd->grp_id == soc_camera_grp_id(icd))
return csi2_sd;
}
/* Try 2560x1920, 1280x960, 640x480, 320x240 */
mf.width = 2560 >> shift;
mf.height = 1920 >> shift;
- ret = v4l2_device_call_until_err(sd->v4l2_dev, (long)icd, video,
- s_mbus_fmt, &mf);
+ ret = v4l2_device_call_until_err(sd->v4l2_dev,
+ soc_camera_grp_id(icd), video,
+ s_mbus_fmt, &mf);
if (ret < 0)
return ret;
shift++;
bool ceu_1to1;
int ret;
- ret = v4l2_device_call_until_err(sd->v4l2_dev, (long)icd, video,
+ ret = v4l2_device_call_until_err(sd->v4l2_dev,
+ soc_camera_grp_id(icd), video,
s_mbus_fmt, mf);
if (ret < 0)
return ret;
tmp_h = min(2 * tmp_h, max_height);
mf->width = tmp_w;
mf->height = tmp_h;
- ret = v4l2_device_call_until_err(sd->v4l2_dev, (long)icd, video,
- s_mbus_fmt, mf);
+ ret = v4l2_device_call_until_err(sd->v4l2_dev,
+ soc_camera_grp_id(icd), video,
+ s_mbus_fmt, mf);
dev_geo(dev, "Camera scaled to %ux%u\n",
mf->width, mf->height);
if (ret < 0) {
}
if (interm_width < icd->user_width || interm_height < icd->user_height) {
- ret = v4l2_device_call_until_err(sd->v4l2_dev, (int)icd, video,
- s_mbus_fmt, &mf);
+ ret = v4l2_device_call_until_err(sd->v4l2_dev,
+ soc_camera_grp_id(icd), video,
+ s_mbus_fmt, &mf);
if (ret < 0)
return ret;
mf.code = xlate->code;
mf.colorspace = pix->colorspace;
- ret = v4l2_device_call_until_err(sd->v4l2_dev, (long)icd, video, try_mbus_fmt, &mf);
+ ret = v4l2_device_call_until_err(sd->v4l2_dev, soc_camera_grp_id(icd),
+ video, try_mbus_fmt, &mf);
if (ret < 0)
return ret;
*/
mf.width = 2560;
mf.height = 1920;
- ret = v4l2_device_call_until_err(sd->v4l2_dev, (long)icd, video,
- try_mbus_fmt, &mf);
+ ret = v4l2_device_call_until_err(sd->v4l2_dev,
+ soc_camera_grp_id(icd), video,
+ try_mbus_fmt, &mf);
if (ret < 0) {
/* Shouldn't actually happen... */
dev_err(icd->parent,
const struct v4l2_mbus_config *cfg)
{
struct sh_csi2 *priv = container_of(sd, struct sh_csi2, subdev);
- struct soc_camera_device *icd = (struct soc_camera_device *)sd->grp_id;
+ struct soc_camera_device *icd = v4l2_get_subdev_hostdata(sd);
struct v4l2_subdev *client_sd = soc_camera_to_subdev(icd);
struct v4l2_mbus_config client_cfg = {.type = V4L2_MBUS_CSI2,
.flags = priv->mipi_flags};
static int sh_csi2_client_connect(struct sh_csi2 *priv)
{
struct sh_csi2_pdata *pdata = priv->pdev->dev.platform_data;
- struct soc_camera_device *icd = (struct soc_camera_device *)priv->subdev.grp_id;
+ struct soc_camera_device *icd = v4l2_get_subdev_hostdata(&priv->subdev);
struct v4l2_subdev *client_sd = soc_camera_to_subdev(icd);
struct device *dev = v4l2_get_subdevdata(&priv->subdev);
struct v4l2_mbus_config cfg;
}
sd = soc_camera_to_subdev(icd);
- sd->grp_id = (long)icd;
+ sd->grp_id = soc_camera_grp_id(icd);
+ v4l2_set_subdev_hostdata(sd, icd);
if (v4l2_ctrl_add_handler(&icd->ctrl_handler, sd->ctrl_handler))
goto ectrl;
* Debugfs support for the AB5500 MFD driver
*/
-#include <linux/export.h>
+#include <linux/module.h>
#include <linux/debugfs.h>
#include <linux/seq_file.h>
#include <linux/mfd/ab5500/ab5500.h>
static struct resource __devinitdata ab8500_chargalg_resources[] = {};
+#ifdef CONFIG_DEBUG_FS
static struct resource __devinitdata ab8500_debug_resources[] = {
{
.name = "IRQ_FIRST",
.flags = IORESOURCE_IRQ,
},
};
+#endif
static struct resource __devinitdata ab8500_usb_resources[] = {
{
ret = __adp5520_read(chip->client, reg, ®_val);
- if (!ret && ((reg_val & bit_mask) == 0)) {
+ if (!ret && ((reg_val & bit_mask) != bit_mask)) {
reg_val |= bit_mask;
ret = __adp5520_write(chip->client, reg, reg_val);
}
if (ret)
goto out;
- if ((reg_val & bit_mask) == 0) {
+ if ((reg_val & bit_mask) != bit_mask) {
reg_val |= bit_mask;
ret = __da903x_write(chip->client, reg, reg_val);
}
struct da903x_chip *chip = i2c_get_clientdata(client);
da903x_remove_subdevs(chip);
+ free_irq(client->irq, chip);
kfree(chip);
return 0;
}
*/
#include <linux/err.h>
+#include <linux/io.h>
#include <linux/irq.h>
#include <linux/interrupt.h>
#include <linux/kernel.h>
if (ret)
goto out;
- if ((reg_val & bit_mask) == 0) {
+ if ((reg_val & bit_mask) != bit_mask) {
reg_val |= bit_mask;
ret = __tps6586x_write(to_i2c_client(dev), reg, reg_val);
}
goto out;
}
- data &= mask;
+ data &= ~mask;
err = tps65910_i2c_write(tps65910, reg, 1, &data);
if (err)
dev_err(tps65910->dev, "write to reg %x failed\n", reg);
pr_err("%s: invalid module number %d\n", DRIVER_NAME, mod_no);
return -EPERM;
}
- sid = twl_map[mod_no].sid;
- twl = &twl_modules[sid];
-
if (unlikely(!inuse)) {
- pr_err("%s: client %d is not initialized\n", DRIVER_NAME, sid);
+ pr_err("%s: not initialized\n", DRIVER_NAME);
return -EPERM;
}
+ sid = twl_map[mod_no].sid;
+ twl = &twl_modules[sid];
+
mutex_lock(&twl->xfer_lock);
/*
* [MSG1]: fill the register address data
pr_err("%s: invalid module number %d\n", DRIVER_NAME, mod_no);
return -EPERM;
}
- sid = twl_map[mod_no].sid;
- twl = &twl_modules[sid];
-
if (unlikely(!inuse)) {
- pr_err("%s: client %d is not initialized\n", DRIVER_NAME, sid);
+ pr_err("%s: not initialized\n", DRIVER_NAME);
return -EPERM;
}
+ sid = twl_map[mod_no].sid;
+ twl = &twl_modules[sid];
+
mutex_lock(&twl->xfer_lock);
/* [MSG1] fill the register address data */
msg = &twl->xfer_msg[0];
u32 edge_change;
struct mutex irq_lock;
+ char *irq_name;
};
/*----------------------------------------------------------------------*/
* Generic handler for SIH interrupts ... we "know" this is called
* in task context, with IRQs enabled.
*/
-static void handle_twl4030_sih(unsigned irq, struct irq_desc *desc)
+static irqreturn_t handle_twl4030_sih(int irq, void *data)
{
struct sih_agent *agent = irq_get_handler_data(irq);
const struct sih *sih = agent->sih;
pr_err("twl4030: %s SIH, read ISR error %d\n",
sih->name, isr);
/* REVISIT: recover; eventually mask it all, etc */
- return;
+ return IRQ_HANDLED;
}
while (isr) {
pr_err("twl4030: %s SIH, invalid ISR bit %d\n",
sih->name, irq);
}
+ return IRQ_HANDLED;
}
static unsigned twl4030_irq_next;
activate_irq(irq);
}
- status = irq_base;
twl4030_irq_next += i;
/* replace generic PIH handler (handle_simple_irq) */
irq = sih_mod + twl4030_irq_base;
irq_set_handler_data(irq, agent);
- irq_set_chained_handler(irq, handle_twl4030_sih);
+ agent->irq_name = kasprintf(GFP_KERNEL, "twl4030_%s", sih->name);
+ status = request_threaded_irq(irq, NULL, handle_twl4030_sih, 0,
+ agent->irq_name ?: sih->name, NULL);
pr_info("twl4030: %s (irq %d) chaining IRQs %d..%d\n", sih->name,
irq, irq_base, twl4030_irq_next - 1);
- return status;
+ return status < 0 ? status : irq_base;
}
/* FIXME need a call to reverse twl4030_sih_setup() ... */
}
/* install an irq handler to demultiplex the TWL4030 interrupt */
- status = request_threaded_irq(irq_num, NULL, handle_twl4030_pih, 0,
- "TWL4030-PIH", NULL);
+ status = request_threaded_irq(irq_num, NULL, handle_twl4030_pih,
+ IRQF_ONESHOT,
+ "TWL4030-PIH", NULL);
if (status < 0) {
pr_err("twl4030: could not claim irq%d: %d\n", irq_num, status);
goto fail_rqirq;
switch (wm8994->type) {
case WM8958:
+ case WM1811:
ret = wm8994_reg_read(wm8994, WM8958_MIC_DETECT_1);
if (ret < 0) {
dev_err(dev, "Failed to read power status: %d\n", ret);
MMC_QUIRK_BLK_NO_CMD23),
MMC_FIXUP("MMC32G", 0x11, CID_OEMID_ANY, add_quirk_mmc,
MMC_QUIRK_BLK_NO_CMD23),
+
+ /*
+ * Some Micron MMC cards needs longer data read timeout than
+ * indicated in CSD.
+ */
+ MMC_FIXUP(CID_NAME_ANY, 0x13, 0x200, add_quirk_mmc,
+ MMC_QUIRK_LONG_READ_TIME),
+
END_FIXUP
};
data->timeout_clks = 0;
}
}
+
+ /*
+ * Some cards require longer data read timeout than indicated in CSD.
+ * Address this by setting the read timeout to a "reasonably high"
+ * value. For the cards tested, 300ms has proven enough. If necessary,
+ * this value can be increased if other problematic cards require this.
+ */
+ if (mmc_card_long_read_time(card) && data->flags & MMC_DATA_READ) {
+ data->timeout_ns = 300000000;
+ data->timeout_clks = 0;
+ }
+
/*
* Some cards need very high timeouts if driven in SPI mode.
* The worst observed timeout was 900ms after writing a
mmc_host_clk_release(host);
}
+static void mmc_poweroff_notify(struct mmc_host *host)
+{
+ struct mmc_card *card;
+ unsigned int timeout;
+ unsigned int notify_type = EXT_CSD_NO_POWER_NOTIFICATION;
+ int err = 0;
+
+ card = host->card;
+
+ /*
+ * Send power notify command only if card
+ * is mmc and notify state is powered ON
+ */
+ if (card && mmc_card_mmc(card) &&
+ (card->poweroff_notify_state == MMC_POWERED_ON)) {
+
+ if (host->power_notify_type == MMC_HOST_PW_NOTIFY_SHORT) {
+ notify_type = EXT_CSD_POWER_OFF_SHORT;
+ timeout = card->ext_csd.generic_cmd6_time;
+ card->poweroff_notify_state = MMC_POWEROFF_SHORT;
+ } else {
+ notify_type = EXT_CSD_POWER_OFF_LONG;
+ timeout = card->ext_csd.power_off_longtime;
+ card->poweroff_notify_state = MMC_POWEROFF_LONG;
+ }
+
+ err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
+ EXT_CSD_POWER_OFF_NOTIFICATION,
+ notify_type, timeout);
+
+ if (err && err != -EBADMSG)
+ pr_err("Device failed to respond within %d poweroff "
+ "time. Forcefully powering down the device\n",
+ timeout);
+
+ /* Set the card state to no notification after the poweroff */
+ card->poweroff_notify_state = MMC_NO_POWER_NOTIFICATION;
+ }
+}
+
/*
* Apply power to the MMC stack. This is a two-stage process.
* First, we enable power to the card without the clock running.
void mmc_power_off(struct mmc_host *host)
{
- struct mmc_card *card;
- unsigned int notify_type;
- unsigned int timeout;
- int err;
-
mmc_host_clk_hold(host);
- card = host->card;
host->ios.clock = 0;
host->ios.vdd = 0;
- if (card && mmc_card_mmc(card) &&
- (card->poweroff_notify_state == MMC_POWERED_ON)) {
-
- if (host->power_notify_type == MMC_HOST_PW_NOTIFY_SHORT) {
- notify_type = EXT_CSD_POWER_OFF_SHORT;
- timeout = card->ext_csd.generic_cmd6_time;
- card->poweroff_notify_state = MMC_POWEROFF_SHORT;
- } else {
- notify_type = EXT_CSD_POWER_OFF_LONG;
- timeout = card->ext_csd.power_off_longtime;
- card->poweroff_notify_state = MMC_POWEROFF_LONG;
- }
-
- err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
- EXT_CSD_POWER_OFF_NOTIFICATION,
- notify_type, timeout);
-
- if (err && err != -EBADMSG)
- pr_err("Device failed to respond within %d poweroff "
- "time. Forcefully powering down the device\n",
- timeout);
-
- /* Set the card state to no notification after the poweroff */
- card->poweroff_notify_state = MMC_NO_POWER_NOTIFICATION;
- }
+ mmc_poweroff_notify(host);
/*
* Reset ocr mask to be the highest possible voltage supported for
mmc_bus_get(host);
- if (host->bus_ops && !host->bus_dead && host->bus_ops->awake)
+ if (host->bus_ops && !host->bus_dead && host->bus_ops->sleep)
err = host->bus_ops->sleep(host);
mmc_bus_put(host);
* pre-claim the host.
*/
if (mmc_try_claim_host(host)) {
- if (host->bus_ops->suspend)
+ if (host->bus_ops->suspend) {
+ /*
+ * For eMMC 4.5 device send notify command
+ * before sleep, because in sleep state eMMC 4.5
+ * devices respond to only RESET and AWAKE cmd
+ */
+ mmc_poweroff_notify(host);
err = host->bus_ops->suspend(host);
+ }
+ mmc_do_release_host(host);
+
if (err == -ENOSYS || !host->bus_ops->resume) {
/*
* We simply "remove" the card in this case.
host->pm_flags = 0;
err = 0;
}
- mmc_do_release_host(host);
} else {
err = -EBUSY;
}
host->max_blk_size = 512;
host->max_blk_count = PAGE_CACHE_SIZE / 512;
- /*
- * Enable runtime power management by default. This flag was added due
- * to runtime power management causing disruption for some users, but
- * the power on/off code has been improved since then.
- *
- * We'll enable this flag by default as an experiment, and if no
- * problems are reported, we will follow up later and remove the flag
- * altogether.
- */
- host->caps = MMC_CAP_POWER_OFF_CARD;
-
return host;
free:
* set the notification byte in the ext_csd register of device
*/
if ((host->caps2 & MMC_CAP2_POWEROFF_NOTIFY) &&
- (card->poweroff_notify_state == MMC_NO_POWER_NOTIFICATION)) {
+ (card->ext_csd.rev >= 6)) {
err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
EXT_CSD_POWER_OFF_NOTIFICATION,
EXT_CSD_POWER_ON,
card->ext_csd.generic_cmd6_time);
if (err && err != -EBADMSG)
goto free_card;
- }
- if (!err)
- card->poweroff_notify_state = MMC_POWERED_ON;
+ /*
+ * The err can be -EBADMSG or 0,
+ * so check for success and update the flag
+ */
+ if (!err)
+ card->poweroff_notify_state = MMC_POWERED_ON;
+ }
/*
* Activate high speed (if supported)
"failed to config DMA channel. Falling back to PIO\n");
dma_release_channel(host->dma);
host->do_dma = 0;
+ host->dma = NULL;
}
}
host->data->sg_len,
omap_hsmmc_get_dma_dir(host, host->data));
omap_free_dma(dma_ch);
+ host->data->host_cookie = 0;
}
host->data = NULL;
}
struct mmc_data *data = mrq->data;
if (host->use_dma) {
- dma_unmap_sg(mmc_dev(host->mmc), data->sg, data->sg_len,
- omap_hsmmc_get_dma_dir(host, data));
+ if (data->host_cookie)
+ dma_unmap_sg(mmc_dev(host->mmc), data->sg,
+ data->sg_len,
+ omap_hsmmc_get_dma_dir(host, data));
data->host_cookie = 0;
}
}
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/mmc/host.h>
+#include <linux/module.h>
#include <mach/cns3xxx.h>
#include "sdhci-pltfm.h"
.driver = {
.name = "sdhci-cns3xxx",
.owner = THIS_MODULE,
+ .pm = SDHCI_PLTFM_PMOPS,
},
.probe = sdhci_cns3xxx_probe,
.remove = __devexit_p(sdhci_cns3xxx_remove),
-#ifdef CONFIG_PM
- .suspend = sdhci_pltfm_suspend,
- .resume = sdhci_pltfm_resume,
-#endif
};
static int __init sdhci_cns3xxx_init(void)
.driver = {
.name = "sdhci-dove",
.owner = THIS_MODULE,
+ .pm = SDHCI_PLTFM_PMOPS,
},
.probe = sdhci_dove_probe,
.remove = __devexit_p(sdhci_dove_remove),
-#ifdef CONFIG_PM
- .suspend = sdhci_pltfm_suspend,
- .resume = sdhci_pltfm_resume,
-#endif
};
static int __init sdhci_dove_init(void)
.name = "sdhci-esdhc-imx",
.owner = THIS_MODULE,
.of_match_table = imx_esdhc_dt_ids,
+ .pm = SDHCI_PLTFM_PMOPS,
},
.id_table = imx_esdhc_devtype,
.probe = sdhci_esdhc_imx_probe,
.remove = __devexit_p(sdhci_esdhc_imx_remove),
-#ifdef CONFIG_PM
- .suspend = sdhci_pltfm_suspend,
- .resume = sdhci_pltfm_resume,
-#endif
};
static int __init sdhci_esdhc_imx_init(void)
.name = "sdhci-esdhc",
.owner = THIS_MODULE,
.of_match_table = sdhci_esdhc_of_match,
+ .pm = SDHCI_PLTFM_PMOPS,
},
.probe = sdhci_esdhc_probe,
.remove = __devexit_p(sdhci_esdhc_remove),
-#ifdef CONFIG_PM
- .suspend = sdhci_pltfm_suspend,
- .resume = sdhci_pltfm_resume,
-#endif
};
static int __init sdhci_esdhc_init(void)
.name = "sdhci-hlwd",
.owner = THIS_MODULE,
.of_match_table = sdhci_hlwd_of_match,
+ .pm = SDHCI_PLTFM_PMOPS,
},
.probe = sdhci_hlwd_probe,
.remove = __devexit_p(sdhci_hlwd_remove),
-#ifdef CONFIG_PM
- .suspend = sdhci_pltfm_suspend,
- .resume = sdhci_pltfm_resume,
-#endif
};
static int __init sdhci_hlwd_init(void)
int (*probe_slot) (struct sdhci_pci_slot *);
void (*remove_slot) (struct sdhci_pci_slot *, int);
- int (*suspend) (struct sdhci_pci_chip *,
- pm_message_t);
+ int (*suspend) (struct sdhci_pci_chip *);
int (*resume) (struct sdhci_pci_chip *);
};
jmicron_enable_mmc(slot->host, 0);
}
-static int jmicron_suspend(struct sdhci_pci_chip *chip, pm_message_t state)
+static int jmicron_suspend(struct sdhci_pci_chip *chip)
{
int i;
#ifdef CONFIG_PM
-static int sdhci_pci_suspend(struct pci_dev *pdev, pm_message_t state)
+static int sdhci_pci_suspend(struct device *dev)
{
+ struct pci_dev *pdev = to_pci_dev(dev);
struct sdhci_pci_chip *chip;
struct sdhci_pci_slot *slot;
mmc_pm_flag_t slot_pm_flags;
if (!slot)
continue;
- ret = sdhci_suspend_host(slot->host, state);
+ ret = sdhci_suspend_host(slot->host);
if (ret) {
for (i--; i >= 0; i--)
}
if (chip->fixes && chip->fixes->suspend) {
- ret = chip->fixes->suspend(chip, state);
+ ret = chip->fixes->suspend(chip);
if (ret) {
for (i = chip->num_slots - 1; i >= 0; i--)
sdhci_resume_host(chip->slots[i]->host);
}
pci_set_power_state(pdev, PCI_D3hot);
} else {
- pci_enable_wake(pdev, pci_choose_state(pdev, state), 0);
+ pci_enable_wake(pdev, PCI_D3hot, 0);
pci_disable_device(pdev);
- pci_set_power_state(pdev, pci_choose_state(pdev, state));
+ pci_set_power_state(pdev, PCI_D3hot);
}
return 0;
}
-static int sdhci_pci_resume(struct pci_dev *pdev)
+static int sdhci_pci_resume(struct device *dev)
{
+ struct pci_dev *pdev = to_pci_dev(dev);
struct sdhci_pci_chip *chip;
struct sdhci_pci_slot *slot;
int i, ret;
struct pci_dev *pdev = container_of(dev, struct pci_dev, dev);
struct sdhci_pci_chip *chip;
struct sdhci_pci_slot *slot;
- pm_message_t state = { .event = PM_EVENT_SUSPEND };
int i, ret;
chip = pci_get_drvdata(pdev);
}
if (chip->fixes && chip->fixes->suspend) {
- ret = chip->fixes->suspend(chip, state);
+ ret = chip->fixes->suspend(chip);
if (ret) {
for (i = chip->num_slots - 1; i >= 0; i--)
sdhci_runtime_resume_host(chip->slots[i]->host);
#endif
static const struct dev_pm_ops sdhci_pci_pm_ops = {
+ .suspend = sdhci_pci_suspend,
+ .resume = sdhci_pci_resume,
.runtime_suspend = sdhci_pci_runtime_suspend,
.runtime_resume = sdhci_pci_runtime_resume,
.runtime_idle = sdhci_pci_runtime_idle,
.id_table = pci_ids,
.probe = sdhci_pci_probe,
.remove = __devexit_p(sdhci_pci_remove),
- .suspend = sdhci_pci_suspend,
- .resume = sdhci_pci_resume,
.driver = {
.pm = &sdhci_pci_pm_ops
},
EXPORT_SYMBOL_GPL(sdhci_pltfm_unregister);
#ifdef CONFIG_PM
-int sdhci_pltfm_suspend(struct platform_device *dev, pm_message_t state)
+static int sdhci_pltfm_suspend(struct device *dev)
{
- struct sdhci_host *host = platform_get_drvdata(dev);
+ struct sdhci_host *host = dev_get_drvdata(dev);
- return sdhci_suspend_host(host, state);
+ return sdhci_suspend_host(host);
}
-EXPORT_SYMBOL_GPL(sdhci_pltfm_suspend);
-int sdhci_pltfm_resume(struct platform_device *dev)
+static int sdhci_pltfm_resume(struct device *dev)
{
- struct sdhci_host *host = platform_get_drvdata(dev);
+ struct sdhci_host *host = dev_get_drvdata(dev);
return sdhci_resume_host(host);
}
-EXPORT_SYMBOL_GPL(sdhci_pltfm_resume);
+
+const struct dev_pm_ops sdhci_pltfm_pmops = {
+ .suspend = sdhci_pltfm_suspend,
+ .resume = sdhci_pltfm_resume,
+};
+EXPORT_SYMBOL_GPL(sdhci_pltfm_pmops);
#endif /* CONFIG_PM */
static int __init sdhci_pltfm_drv_init(void)
extern int sdhci_pltfm_unregister(struct platform_device *pdev);
#ifdef CONFIG_PM
-extern int sdhci_pltfm_suspend(struct platform_device *dev, pm_message_t state);
-extern int sdhci_pltfm_resume(struct platform_device *dev);
+extern const struct dev_pm_ops sdhci_pltfm_pmops;
+#define SDHCI_PLTFM_PMOPS (&sdhci_pltfm_pmops)
+#else
+#define SDHCI_PLTFM_PMOPS NULL
#endif
#endif /* _DRIVERS_MMC_SDHCI_PLTFM_H */
.driver = {
.name = "sdhci-pxav2",
.owner = THIS_MODULE,
+ .pm = SDHCI_PLTFM_PMOPS,
},
.probe = sdhci_pxav2_probe,
.remove = __devexit_p(sdhci_pxav2_remove),
-#ifdef CONFIG_PM
- .suspend = sdhci_pltfm_suspend,
- .resume = sdhci_pltfm_resume,
-#endif
};
static int __init sdhci_pxav2_init(void)
{
.driver = {
.name = "sdhci-pxav3",
.owner = THIS_MODULE,
+ .pm = SDHCI_PLTFM_PMOPS,
},
.probe = sdhci_pxav3_probe,
.remove = __devexit_p(sdhci_pxav3_remove),
-#ifdef CONFIG_PM
- .suspend = sdhci_pltfm_suspend,
- .resume = sdhci_pltfm_resume,
-#endif
};
static int __init sdhci_pxav3_init(void)
{
#ifdef CONFIG_PM
-static int sdhci_s3c_suspend(struct platform_device *dev, pm_message_t pm)
+static int sdhci_s3c_suspend(struct device *dev)
{
- struct sdhci_host *host = platform_get_drvdata(dev);
+ struct sdhci_host *host = dev_get_drvdata(dev);
- return sdhci_suspend_host(host, pm);
+ return sdhci_suspend_host(host);
}
-static int sdhci_s3c_resume(struct platform_device *dev)
+static int sdhci_s3c_resume(struct device *dev)
{
- struct sdhci_host *host = platform_get_drvdata(dev);
+ struct sdhci_host *host = dev_get_drvdata(dev);
return sdhci_resume_host(host);
}
+static const struct dev_pm_ops sdhci_s3c_pmops = {
+ .suspend = sdhci_s3c_suspend,
+ .resume = sdhci_s3c_resume,
+};
+
+#define SDHCI_S3C_PMOPS (&sdhci_s3c_pmops)
+
#else
-#define sdhci_s3c_suspend NULL
-#define sdhci_s3c_resume NULL
+#define SDHCI_S3C_PMOPS NULL
#endif
static struct platform_driver sdhci_s3c_driver = {
.probe = sdhci_s3c_probe,
.remove = __devexit_p(sdhci_s3c_remove),
- .suspend = sdhci_s3c_suspend,
- .resume = sdhci_s3c_resume,
.driver = {
.owner = THIS_MODULE,
.name = "s3c-sdhci",
+ .pm = SDHCI_S3C_PMOPS,
},
};
.name = "sdhci-tegra",
.owner = THIS_MODULE,
.of_match_table = sdhci_tegra_dt_match,
+ .pm = SDHCI_PLTFM_PMOPS,
},
.probe = sdhci_tegra_probe,
.remove = __devexit_p(sdhci_tegra_remove),
-#ifdef CONFIG_PM
- .suspend = sdhci_pltfm_suspend,
- .resume = sdhci_pltfm_resume,
-#endif
};
static int __init sdhci_tegra_init(void)
#ifdef CONFIG_PM
-int sdhci_suspend_host(struct sdhci_host *host, pm_message_t state)
+int sdhci_suspend_host(struct sdhci_host *host)
{
int ret;
extern void sdhci_remove_host(struct sdhci_host *host, int dead);
#ifdef CONFIG_PM
-extern int sdhci_suspend_host(struct sdhci_host *host, pm_message_t state);
+extern int sdhci_suspend_host(struct sdhci_host *host);
extern int sdhci_resume_host(struct sdhci_host *host);
extern void sdhci_enable_irq_wakeups(struct sdhci_host *host);
#endif
if (host->power) {
pm_runtime_put(&host->pd->dev);
host->power = false;
- if (p->down_pwr)
+ if (p->down_pwr && ios->power_mode == MMC_POWER_OFF)
p->down_pwr(host->pd);
}
host->state = STATE_IDLE;
/* start bus clock */
tmio_mmc_clk_start(host);
} else if (ios->power_mode != MMC_POWER_UP) {
- if (host->set_pwr)
+ if (host->set_pwr && ios->power_mode == MMC_POWER_OFF)
host->set_pwr(host->pdev, 0);
if ((pdata->flags & TMIO_MMC_HAS_COLD_CD) &&
pdata->power) {
static int firmware_rom_wait_states = 0x1C;
#endif
-module_param(firmware_rom_wait_states, bool, 0644);
+module_param(firmware_rom_wait_states, int, 0644);
MODULE_PARM_DESC(firmware_rom_wait_states,
"ROM wait states byte=RRRIIEEE (Reserved Internal External)");
if (!err)
dev_info(&pdev->dev, "registered mtd device\n");
- /* add the whole device. */
- err = mtd_device_register(info->mtd, NULL, 0);
- if (err)
- dev_err(&pdev->dev, "failed to register the entire device\n");
+ if (pdata->nr_partitions) {
+ /* add the whole device. */
+ err = mtd_device_register(info->mtd, NULL, 0);
+ if (err) {
+ dev_err(&pdev->dev,
+ "failed to register the entire device\n");
+ }
+ }
return err;
}
info->mtd->owner = THIS_MODULE;
- mtd_device_parse_register(info->mtd, probes, 0, NULL, 0);
+ mtd_device_parse_register(info->mtd, probes, 0, flash->parts, flash->nr_parts);
platform_set_drvdata(pdev, info);
return 0;
#include <linux/clk.h>
#include <linux/slab.h>
#include <linux/interrupt.h>
+#include <linux/module.h>
#include <linux/mtd/gpmi-nand.h>
#include <linux/mtd/partitions.h>
-
#include "gpmi-nand.h"
/* add our owner bbt descriptor */
if (!flash_np)
return -ENODEV;
- ppdata->of_node = flash_np;
+ ppdata.of_node = flash_np;
ndfc->mtd.name = kasprintf(GFP_KERNEL, "%s.%s",
dev_name(&ndfc->ofdev->dev), flash_np->name);
if (!ndfc->mtd.name) {
struct platform_device *pdev;
int opened;
+ int dev_id;
/* Phylib and MDIO interface */
struct mii_bus *mii_bus;
/* Adjust MAC if using macaddr */
if (iap == macaddr)
- ndev->dev_addr[ETH_ALEN-1] = macaddr[ETH_ALEN-1] + fep->pdev->id;
+ ndev->dev_addr[ETH_ALEN-1] = macaddr[ETH_ALEN-1] + fep->dev_id;
}
/* ------------------------------------------------------------------------- */
char mdio_bus_id[MII_BUS_ID_SIZE];
char phy_name[MII_BUS_ID_SIZE + 3];
int phy_id;
- int dev_id = fep->pdev->id;
+ int dev_id = fep->dev_id;
fep->phy_dev = NULL;
* mdio interface in board design, and need to be configured by
* fec0 mii_bus.
*/
- if ((id_entry->driver_data & FEC_QUIRK_ENET_MAC) && pdev->id > 0) {
+ if ((id_entry->driver_data & FEC_QUIRK_ENET_MAC) && fep->dev_id > 0) {
/* fec1 uses fec0 mii_bus */
fep->mii_bus = fec0_mii_bus;
return 0;
fep->mii_bus->read = fec_enet_mdio_read;
fep->mii_bus->write = fec_enet_mdio_write;
fep->mii_bus->reset = fec_enet_mdio_reset;
- snprintf(fep->mii_bus->id, MII_BUS_ID_SIZE, "%x", pdev->id + 1);
+ snprintf(fep->mii_bus->id, MII_BUS_ID_SIZE, "%x", fep->dev_id + 1);
fep->mii_bus->priv = fep;
fep->mii_bus->parent = &pdev->dev;
int i, irq, ret = 0;
struct resource *r;
const struct of_device_id *of_id;
+ static int dev_id;
of_id = of_match_device(fec_dt_ids, &pdev->dev);
if (of_id)
fep->hwp = ioremap(r->start, resource_size(r));
fep->pdev = pdev;
+ fep->dev_id = dev_id++;
if (!fep->hwp) {
ret = -ENOMEM;
}
EXPORT_SYMBOL_GPL(fsl_pq_mdio_bus_name);
-/* Scan the bus in reverse, looking for an empty spot */
-static int fsl_pq_mdio_find_free(struct mii_bus *new_bus)
-{
- int i;
-
- for (i = PHY_MAX_ADDR; i > 0; i--) {
- u32 phy_id;
-
- if (get_phy_id(new_bus, i, &phy_id))
- return -1;
-
- if (phy_id == 0xffffffff)
- break;
- }
-
- return i;
-}
-
-#if defined(CONFIG_GIANFAR) || defined(CONFIG_GIANFAR_MODULE)
static u32 __iomem *get_gfar_tbipa(struct fsl_pq_mdio __iomem *regs, struct device_node *np)
{
+#if defined(CONFIG_GIANFAR) || defined(CONFIG_GIANFAR_MODULE)
struct gfar __iomem *enet_regs;
/*
} else if (of_device_is_compatible(np, "fsl,etsec2-mdio") ||
of_device_is_compatible(np, "fsl,etsec2-tbi")) {
return of_iomap(np, 1);
- } else
- return NULL;
-}
+ }
#endif
+ return NULL;
+}
-#if defined(CONFIG_UCC_GETH) || defined(CONFIG_UCC_GETH_MODULE)
static int get_ucc_id_for_range(u64 start, u64 end, u32 *ucc_id)
{
+#if defined(CONFIG_UCC_GETH) || defined(CONFIG_UCC_GETH_MODULE)
struct device_node *np = NULL;
int err = 0;
return err;
else
return -EINVAL;
-}
+#else
+ return -ENODEV;
#endif
-
+}
static int fsl_pq_mdio_probe(struct platform_device *ofdev)
{
of_device_is_compatible(np, "fsl,etsec2-mdio") ||
of_device_is_compatible(np, "fsl,etsec2-tbi") ||
of_device_is_compatible(np, "gianfar")) {
-#if defined(CONFIG_GIANFAR) || defined(CONFIG_GIANFAR_MODULE)
tbipa = get_gfar_tbipa(regs, np);
if (!tbipa) {
err = -EINVAL;
goto err_free_irqs;
}
-#else
- err = -ENODEV;
- goto err_free_irqs;
-#endif
} else if (of_device_is_compatible(np, "fsl,ucc-mdio") ||
of_device_is_compatible(np, "ucc_geth_phy")) {
-#if defined(CONFIG_UCC_GETH) || defined(CONFIG_UCC_GETH_MODULE)
u32 id;
static u32 mii_mng_master;
mii_mng_master = id;
ucc_set_qe_mux_mii_mng(id - 1);
}
-#else
- err = -ENODEV;
- goto err_free_irqs;
-#endif
} else {
err = -ENODEV;
goto err_free_irqs;
}
if (tbiaddr == -1) {
- out_be32(tbipa, 0);
-
- tbiaddr = fsl_pq_mdio_find_free(new_bus);
- }
-
- /*
- * We define TBIPA at 0 to be illegal, opting to fail for boards that
- * have PHYs at 1-31, rather than change tbipa and rescan.
- */
- if (tbiaddr == 0) {
err = -EBUSY;
goto err_free_irqs;
/* Config1 register p.24 */
LEDS1 = (1 << 7),
LEDS0 = (1 << 6),
- MSIEnable = (1 << 5), /* Enable Message Signaled Interrupt */
Speed_down = (1 << 4),
MEMMAP = (1 << 3),
IOMAP = (1 << 2),
PMEnable = (1 << 0), /* Power Management Enable */
/* Config2 register p. 25 */
+ MSIEnable = (1 << 5), /* 8169 only. Reserved in the 8168. */
PCI_Clock_66MHz = 0x01,
PCI_Clock_33MHz = 0x00,
};
/* Cfg9346_Unlock assumed. */
-static unsigned rtl_try_msi(struct pci_dev *pdev, void __iomem *ioaddr,
+static unsigned rtl_try_msi(struct rtl8169_private *tp,
const struct rtl_cfg_info *cfg)
{
+ void __iomem *ioaddr = tp->mmio_addr;
unsigned msi = 0;
u8 cfg2;
cfg2 = RTL_R8(Config2) & ~MSIEnable;
if (cfg->features & RTL_FEATURE_MSI) {
- if (pci_enable_msi(pdev)) {
- dev_info(&pdev->dev, "no MSI. Back to INTx.\n");
+ if (pci_enable_msi(tp->pci_dev)) {
+ netif_info(tp, hw, tp->dev, "no MSI. Back to INTx.\n");
} else {
cfg2 |= MSIEnable;
msi = RTL_FEATURE_MSI;
}
}
- RTL_W8(Config2, cfg2);
+ if (tp->mac_version <= RTL_GIGA_MAC_VER_06)
+ RTL_W8(Config2, cfg2);
return msi;
}
tp->features |= RTL_FEATURE_WOL;
if ((RTL_R8(Config5) & (UWF | BWF | MWF)) != 0)
tp->features |= RTL_FEATURE_WOL;
- tp->features |= rtl_try_msi(pdev, ioaddr, cfg);
+ tp->features |= rtl_try_msi(tp, cfg);
RTL_W8(Cfg9346, Cfg9346_Lock);
if (rtl_tbi_enabled(tp)) {
chan_write(chan, cp, CPDMA_TEARDOWN_VALUE);
/* handle completed packets */
+ spin_unlock_irqrestore(&chan->lock, flags);
do {
ret = __cpdma_chan_process(chan);
if (ret < 0)
break;
} while ((ret & CPDMA_DESC_TD_COMPLETE) == 0);
+ spin_lock_irqsave(&chan->lock, flags);
/* remaining packets haven't been tx/rx'ed, clean them up */
while (chan->head) {
lock_sock(sk);
opt->src_addr = sp->sa_addr.pptp;
- if (add_chan(po)) {
- release_sock(sk);
+ if (add_chan(po))
error = -EBUSY;
- }
release_sock(sk);
return error;
// ASIX 88772a
USB_DEVICE(0x0db0, 0xa877),
.driver_info = (unsigned long) &ax88772_info,
+}, {
+ // Asus USB Ethernet Adapter
+ USB_DEVICE (0x0b95, 0x7e2b),
+ .driver_info = (unsigned long) &ax88772_info,
},
{ }, // END
};
ath_start_ani(common);
}
- if (ath9k_hw_ops(ah)->antdiv_comb_conf_get && sc->ant_rx != 3) {
+ if ((ah->caps.hw_caps & ATH9K_HW_CAP_ANT_DIV_COMB) && sc->ant_rx != 3) {
struct ath_hw_antcomb_conf div_ant_conf;
u8 lna_conf;
ath_rc_priv->max_valid_rate = k;
ath_rc_sort_validrates(rate_table, ath_rc_priv);
- ath_rc_priv->rate_max_phy = ath_rc_priv->valid_rate_index[k-4];
+ ath_rc_priv->rate_max_phy = (k > 4) ?
+ ath_rc_priv->valid_rate_index[k-4] :
+ ath_rc_priv->valid_rate_index[k-1];
ath_rc_priv->rate_table = rate_table;
ath_dbg(common, ATH_DBG_CONFIG,
if (ctx->ht.enabled) {
/* if HT40 is used, it should not change
* after associated except channel switch */
- if (iwl_is_associated_ctx(ctx) &&
- !ctx->ht.is_40mhz)
+ if (!ctx->ht.is_40mhz ||
+ !iwl_is_associated_ctx(ctx))
iwlagn_config_ht40(conf, ctx);
} else
ctx->ht.is_40mhz = false;
tx_cmd->tid_tspec = qc[0] & 0xf;
tx_flags &= ~TX_CMD_FLG_SEQ_CTL_MSK;
} else {
- tx_flags |= TX_CMD_FLG_SEQ_CTL_MSK;
+ if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ)
+ tx_flags |= TX_CMD_FLG_SEQ_CTL_MSK;
+ else
+ tx_flags &= ~TX_CMD_FLG_SEQ_CTL_MSK;
}
iwlagn_tx_cmd_protection(priv, info, fc, &tx_flags);
int ret;
u8 sta_id;
+ if (ctx->ctxid != IWL_RXON_CTX_PAN)
+ return 0;
+
IWL_DEBUG_MAC80211(priv, "enter\n");
mutex_lock(&priv->shrd->mutex);
struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
struct iwl_rxon_context *ctx = vif_priv->ctx;
+ if (ctx->ctxid != IWL_RXON_CTX_PAN)
+ return;
+
IWL_DEBUG_MAC80211(priv, "enter\n");
mutex_lock(&priv->shrd->mutex);
iwl_print_hex_dump(trans, IWL_DL_TX, (u8 *)tx_cmd->hdr, hdr_len);
/* Set up entry for this TFD in Tx byte-count array */
- if (is_agg)
- iwl_trans_txq_update_byte_cnt_tbl(trans, txq,
- le16_to_cpu(tx_cmd->len));
+ iwl_trans_txq_update_byte_cnt_tbl(trans, txq, le16_to_cpu(tx_cmd->len));
dma_sync_single_for_device(bus(trans)->dev, txcmd_phys, firstlen,
DMA_BIDIRECTIONAL);
{
struct cmd_ctrl_node *cmd_node = NULL, *tmp_node = NULL;
unsigned long cmd_flags;
- unsigned long cmd_pending_q_flags;
unsigned long scan_pending_q_flags;
uint16_t cancel_scan_cmd = false;
cmd_node = adapter->curr_cmd;
cmd_node->wait_q_enabled = false;
cmd_node->cmd_flag |= CMD_F_CANCELED;
- spin_lock_irqsave(&adapter->cmd_pending_q_lock,
- cmd_pending_q_flags);
- list_del(&cmd_node->list);
- spin_unlock_irqrestore(&adapter->cmd_pending_q_lock,
- cmd_pending_q_flags);
mwifiex_insert_cmd_to_free_q(adapter, cmd_node);
+ mwifiex_complete_cmd(adapter, adapter->curr_cmd);
+ adapter->curr_cmd = NULL;
spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, cmd_flags);
}
spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, cmd_flags);
}
adapter->cmd_wait_q.status = -1;
- mwifiex_complete_cmd(adapter, adapter->curr_cmd);
}
/*
}
case ERFSLEEP:{
if (ppsc->rfpwr_state == ERFOFF)
- break;
+ return false;
for (queue_id = 0, i = 0;
queue_id < RTL_PCI_MAX_TX_QUEUE_COUNT;) {
ring = &pcipriv->dev.tx_ring[queue_id];
break;
case ERFSLEEP:
if (ppsc->rfpwr_state == ERFOFF)
- break;
+ return false;
for (queue_id = 0, i = 0;
queue_id < RTL_PCI_MAX_TX_QUEUE_COUNT;) {
ring = &pcipriv->dev.tx_ring[queue_id];
break;
case ERFSLEEP:
if (ppsc->rfpwr_state == ERFOFF)
- break;
+ return false;
for (queue_id = 0, i = 0;
queue_id < RTL_PCI_MAX_TX_QUEUE_COUNT;) {
}
case ERFSLEEP:
if (ppsc->rfpwr_state == ERFOFF)
- break;
+ return false;
for (queue_id = 0, i = 0;
queue_id < RTL_PCI_MAX_TX_QUEUE_COUNT;) {
return -EINVAL;
retval = oprofilefs_ulong_from_user(&val, buf, count);
- if (retval)
+ if (retval <= 0)
return retval;
retval = oprofile_set_timeout(val);
return -EINVAL;
retval = oprofilefs_ulong_from_user(&val, buf, count);
- if (retval)
+ if (retval <= 0)
return retval;
retval = oprofile_set_ulong(&oprofile_backtrace_depth, val);
return -EINVAL;
retval = oprofilefs_ulong_from_user(&val, buf, count);
- if (retval)
+ if (retval <= 0)
return retval;
+ retval = 0;
if (val)
retval = oprofile_start();
else
}
+/*
+ * Note: If oprofilefs_ulong_from_user() returns 0, then *val remains
+ * unchanged and might be uninitialized. This follows write syscall
+ * implementation when count is zero: "If count is zero ... [and if]
+ * no errors are detected, 0 will be returned without causing any
+ * other effect." (man 2 write)
+ */
int oprofilefs_ulong_from_user(unsigned long *val, char const __user *buf, size_t count)
{
char tmpbuf[TMPBUFSIZE];
raw_spin_lock_irqsave(&oprofilefs_lock, flags);
*val = simple_strtoul(tmpbuf, NULL, 0);
raw_spin_unlock_irqrestore(&oprofilefs_lock, flags);
- return 0;
+ return count;
}
return -EINVAL;
retval = oprofilefs_ulong_from_user(&value, buf, count);
- if (retval)
+ if (retval <= 0)
return retval;
retval = oprofile_set_ulong(file->private_data, value);
#include <linux/export.h>
#include <linux/pci-ats.h>
#include <linux/pci.h>
+#include <linux/slab.h>
#include "pci.h"
if (!acpi_pci_check_ejectable(pbus, handle) && !is_dock_device(handle))
return AE_OK;
+ pdev = pbus->self;
+ if (pdev && pci_is_pcie(pdev)) {
+ tmp = acpi_find_root_bridge_handle(pdev);
+ if (tmp) {
+ struct acpi_pci_root *root = acpi_pci_find_root(tmp);
+
+ if (root && (root->osc_control_set &
+ OSC_PCI_EXPRESS_NATIVE_HP_CONTROL))
+ return AE_OK;
+ }
+ }
+
acpi_evaluate_integer(handle, "_ADR", NULL, &adr);
device = (adr >> 16) & 0xffff;
function = adr & 0xffff;
pdev = pci_get_slot(pbus, PCI_DEVFN(device, function));
if (pdev) {
- pdev->current_state = PCI_D0;
slot->flags |= (SLOT_ENABLED | SLOT_POWEREDON);
pci_dev_put(pdev);
}
{
acpi_status status;
unsigned long long tmp;
- struct acpi_pci_root *root;
acpi_handle dummy_handle;
- /*
- * We shouldn't use this bridge if PCIe native hotplug control has been
- * granted by the BIOS for it.
- */
- root = acpi_pci_find_root(handle);
- if (root && (root->osc_control_set & OSC_PCI_EXPRESS_NATIVE_HP_CONTROL))
- return -ENODEV;
-
/* if the bridge doesn't have _STA, we assume it is always there */
status = acpi_get_handle(handle, "_STA", &dummy_handle);
if (ACPI_SUCCESS(status)) {
static acpi_status
find_root_bridges(acpi_handle handle, u32 lvl, void *context, void **rv)
{
- struct acpi_pci_root *root;
int *count = (int *)context;
if (!acpi_is_root_bridge(handle))
return AE_OK;
- root = acpi_pci_find_root(handle);
- if (!root)
- return AE_OK;
-
- if (root->osc_control_set & OSC_PCI_EXPRESS_NATIVE_HP_CONTROL)
- return AE_OK;
-
(*count)++;
acpi_install_notify_handler(handle, ACPI_SYSTEM_NOTIFY,
handle_hotplug_event_bridge, NULL);
struct resource *res;
struct pci_dev *pdev;
struct pci_sriov *iov = dev->sriov;
+ int bars = 0;
if (!nr_virtfn)
return 0;
nres = 0;
for (i = 0; i < PCI_SRIOV_NUM_BARS; i++) {
+ bars |= (1 << (i + PCI_IOV_RESOURCES));
res = dev->resource + PCI_IOV_RESOURCES + i;
if (res->parent)
nres++;
return -ENOMEM;
}
+ if (pci_enable_resources(dev, bars)) {
+ dev_err(&dev->dev, "SR-IOV: IOV BARS not allocated\n");
+ return -ENOMEM;
+ }
+
if (iov->link != dev->devfn) {
pdev = pci_get_slot(dev->bus, iov->link);
if (!pdev)
error = platform_pci_set_power_state(dev, state);
if (!error)
pci_update_current_state(dev, state);
+ /* Fall back to PCI_D0 if native PM is not supported */
+ if (!dev->pm_cap)
+ dev->current_state = PCI_D0;
} else {
error = -ENODEV;
/* Fall back to PCI_D0 if native PM is not supported */
if (atomic_add_return(1, &dev->enable_cnt) > 1)
return 0; /* already enabled */
- for (i = 0; i < DEVICE_COUNT_RESOURCE; i++)
+ /* only skip sriov related */
+ for (i = 0; i <= PCI_ROM_RESOURCE; i++)
+ if (dev->resource[i].flags & flags)
+ bars |= (1 << i);
+ for (i = PCI_BRIDGE_RESOURCES; i < DEVICE_COUNT_RESOURCE; i++)
if (dev->resource[i].flags & flags)
bars |= (1 << i);
err = -EINVAL;
mutex_unlock(&rtc->ops_lock);
+ /* A timer might have just expired */
+ schedule_work(&rtc->irqwork);
return err;
}
EXPORT_SYMBOL_GPL(rtc_set_time);
err = -EINVAL;
mutex_unlock(&rtc->ops_lock);
+ /* A timer might have just expired */
+ schedule_work(&rtc->irqwork);
return err;
}
timerqueue_add(&rtc->timerqueue, &rtc->aie_timer.node);
}
mutex_unlock(&rtc->ops_lock);
+ /* maybe that was in the past.*/
+ schedule_work(&rtc->irqwork);
return err;
}
EXPORT_SYMBOL_GPL(rtc_initialize_alarm);
static struct rtc_class_ops m41t80_rtc_ops = {
.read_time = m41t80_rtc_read_time,
.set_time = m41t80_rtc_set_time,
+ /*
+ * XXX - m41t80 alarm functionality is reported broken.
+ * until it is fixed, don't register alarm functions.
+ *
.read_alarm = m41t80_rtc_read_alarm,
.set_alarm = m41t80_rtc_set_alarm,
+ */
.proc = m41t80_rtc_proc,
+ /*
+ * See above comment on broken alarm
+ *
.alarm_irq_enable = m41t80_rtc_alarm_irq_enable,
+ */
};
#if defined(CONFIG_RTC_INTF_SYSFS) || defined(CONFIG_RTC_INTF_SYSFS_MODULE)
{
struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev);
+ /* if previous slave_alloc returned early, there is nothing to do */
+ if (!zfcp_sdev->port)
+ return;
+
zfcp_erp_lun_shutdown_wait(sdev, "scssd_1");
put_device(&zfcp_sdev->port->dev);
}
int ret = 0;
while (len > 0) {
- int err = bbc_i2c_writeb(client, *buf, off);
-
- if (err < 0) {
- ret = err;
+ ret = bbc_i2c_writeb(client, *buf, off);
+ if (ret < 0)
break;
- }
-
len--;
buf++;
off++;
int ret = 0;
while (len > 0) {
- int err = bbc_i2c_readb(client, buf, off);
- if (err < 0) {
- ret = err;
+ ret = bbc_i2c_readb(client, buf, off);
+ if (ret < 0)
break;
- }
len--;
buf++;
off++;
.remove = __devexit_p(bbc_i2c_remove),
};
-static int __init bbc_i2c_init(void)
-{
- return platform_driver_register(&bbc_i2c_driver);
-}
-
-static void __exit bbc_i2c_exit(void)
-{
- platform_driver_unregister(&bbc_i2c_driver);
-}
-
-module_init(bbc_i2c_init);
-module_exit(bbc_i2c_exit);
+module_platform_driver(bbc_i2c_driver);
MODULE_LICENSE("GPL");
.remove = __devexit_p(d7s_remove),
};
-static int __init d7s_init(void)
-{
- return platform_driver_register(&d7s_driver);
-}
-
-static void __exit d7s_exit(void)
-{
- platform_driver_unregister(&d7s_driver);
-}
-
-module_init(d7s_init);
-module_exit(d7s_exit);
+module_platform_driver(d7s_driver);
.remove = __devexit_p(envctrl_remove),
};
-static int __init envctrl_init(void)
-{
- return platform_driver_register(&envctrl_driver);
-}
-
-static void __exit envctrl_exit(void)
-{
- platform_driver_unregister(&envctrl_driver);
-}
+module_platform_driver(envctrl_driver);
-module_init(envctrl_init);
-module_exit(envctrl_exit);
MODULE_LICENSE("GPL");
.remove = __devexit_p(flash_remove),
};
-static int __init flash_init(void)
-{
- return platform_driver_register(&flash_driver);
-}
-
-static void __exit flash_cleanup(void)
-{
- platform_driver_unregister(&flash_driver);
-}
+module_platform_driver(flash_driver);
-module_init(flash_init);
-module_exit(flash_cleanup);
MODULE_LICENSE("GPL");
};
-static int __init uctrl_init(void)
-{
- return platform_driver_register(&uctrl_driver);
-}
-
-static void __exit uctrl_exit(void)
-{
- platform_driver_unregister(&uctrl_driver);
-}
+module_platform_driver(uctrl_driver);
-module_init(uctrl_init);
-module_exit(uctrl_exit);
MODULE_LICENSE("GPL");
spin_lock(&session->lock);
task = iscsi_itt_to_task(bnx2i_conn->cls_conn->dd_data,
cqe->itt & ISCSI_CMD_RESPONSE_INDEX);
- if (!task) {
+ if (!task || !task->sc) {
spin_unlock(&session->lock);
return -EINVAL;
}
sc = task->sc;
- spin_unlock(&session->lock);
if (!blk_rq_cpu_valid(sc->request))
cpu = smp_processor_id();
else
cpu = sc->request->cpu;
+ spin_unlock(&session->lock);
+
p = &per_cpu(bnx2i_percpu, cpu);
spin_lock(&p->p_work_lock);
if (unlikely(!p->iothread)) {
#include <linux/sysfs.h>
#include <linux/ctype.h>
#include <linux/workqueue.h>
+#include <net/dcbnl.h>
+#include <net/dcbevent.h>
#include <scsi/scsi_tcq.h>
#include <scsi/scsicam.h>
#include <scsi/scsi_transport.h>
static int fcoe_ddp_target(struct fc_lport *, u16, struct scatterlist *,
unsigned int);
static int fcoe_cpu_callback(struct notifier_block *, unsigned long, void *);
+static int fcoe_dcb_app_notification(struct notifier_block *notifier,
+ ulong event, void *ptr);
static bool fcoe_match(struct net_device *netdev);
static int fcoe_create(struct net_device *netdev, enum fip_state fip_mode);
.notifier_call = fcoe_cpu_callback,
};
+/* notification function for DCB events */
+static struct notifier_block dcb_notifier = {
+ .notifier_call = fcoe_dcb_app_notification,
+};
+
static struct scsi_transport_template *fcoe_nport_scsi_transport;
static struct scsi_transport_template *fcoe_vport_scsi_transport;
skb_reset_network_header(skb);
skb->mac_len = elen;
skb->protocol = htons(ETH_P_FCOE);
+ skb->priority = port->priority;
+
if (fcoe->netdev->priv_flags & IFF_802_1Q_VLAN &&
fcoe->realdev->features & NETIF_F_HW_VLAN_TX) {
skb->vlan_tci = VLAN_TAG_PRESENT |
stats->InvalidCRCCount++;
if (stats->InvalidCRCCount < 5)
printk(KERN_WARNING "fcoe: dropping frame with CRC error\n");
+ put_cpu();
return -EINVAL;
}
*/
static void fcoe_dev_setup(void)
{
+ register_dcbevent_notifier(&dcb_notifier);
register_netdevice_notifier(&fcoe_notifier);
}
*/
static void fcoe_dev_cleanup(void)
{
+ unregister_dcbevent_notifier(&dcb_notifier);
unregister_netdevice_notifier(&fcoe_notifier);
}
+static struct fcoe_interface *
+fcoe_hostlist_lookup_realdev_port(struct net_device *netdev)
+{
+ struct fcoe_interface *fcoe;
+ struct net_device *real_dev;
+
+ list_for_each_entry(fcoe, &fcoe_hostlist, list) {
+ if (fcoe->netdev->priv_flags & IFF_802_1Q_VLAN)
+ real_dev = vlan_dev_real_dev(fcoe->netdev);
+ else
+ real_dev = fcoe->netdev;
+
+ if (netdev == real_dev)
+ return fcoe;
+ }
+ return NULL;
+}
+
+static int fcoe_dcb_app_notification(struct notifier_block *notifier,
+ ulong event, void *ptr)
+{
+ struct dcb_app_type *entry = ptr;
+ struct fcoe_interface *fcoe;
+ struct net_device *netdev;
+ struct fcoe_port *port;
+ int prio;
+
+ if (entry->app.selector != DCB_APP_IDTYPE_ETHTYPE)
+ return NOTIFY_OK;
+
+ netdev = dev_get_by_index(&init_net, entry->ifindex);
+ if (!netdev)
+ return NOTIFY_OK;
+
+ fcoe = fcoe_hostlist_lookup_realdev_port(netdev);
+ dev_put(netdev);
+ if (!fcoe)
+ return NOTIFY_OK;
+
+ if (entry->dcbx & DCB_CAP_DCBX_VER_CEE)
+ prio = ffs(entry->app.priority) - 1;
+ else
+ prio = entry->app.priority;
+
+ if (prio < 0)
+ return NOTIFY_OK;
+
+ if (entry->app.protocol == ETH_P_FIP ||
+ entry->app.protocol == ETH_P_FCOE)
+ fcoe->ctlr.priority = prio;
+
+ if (entry->app.protocol == ETH_P_FCOE) {
+ port = lport_priv(fcoe->ctlr.lp);
+ port->priority = prio;
+ }
+
+ return NOTIFY_OK;
+}
+
/**
* fcoe_device_notification() - Handler for net device events
* @notifier: The context of the notification
return true;
}
+/**
+ * fcoe_dcb_create() - Initialize DCB attributes and hooks
+ * @netdev: The net_device object of the L2 link that should be queried
+ * @port: The fcoe_port to bind FCoE APP priority with
+ * @
+ */
+static void fcoe_dcb_create(struct fcoe_interface *fcoe)
+{
+#ifdef CONFIG_DCB
+ int dcbx;
+ u8 fup, up;
+ struct net_device *netdev = fcoe->realdev;
+ struct fcoe_port *port = lport_priv(fcoe->ctlr.lp);
+ struct dcb_app app = {
+ .priority = 0,
+ .protocol = ETH_P_FCOE
+ };
+
+ /* setup DCB priority attributes. */
+ if (netdev && netdev->dcbnl_ops && netdev->dcbnl_ops->getdcbx) {
+ dcbx = netdev->dcbnl_ops->getdcbx(netdev);
+
+ if (dcbx & DCB_CAP_DCBX_VER_IEEE) {
+ app.selector = IEEE_8021QAZ_APP_SEL_ETHERTYPE;
+ up = dcb_ieee_getapp_mask(netdev, &app);
+ app.protocol = ETH_P_FIP;
+ fup = dcb_ieee_getapp_mask(netdev, &app);
+ } else {
+ app.selector = DCB_APP_IDTYPE_ETHTYPE;
+ up = dcb_getapp(netdev, &app);
+ app.protocol = ETH_P_FIP;
+ fup = dcb_getapp(netdev, &app);
+ }
+
+ port->priority = ffs(up) ? ffs(up) - 1 : 0;
+ fcoe->ctlr.priority = ffs(fup) ? ffs(fup) - 1 : port->priority;
+ }
+#endif
+}
+
/**
* fcoe_create() - Create a fcoe interface
* @netdev : The net_device object the Ethernet interface to create on
/* Make this the "master" N_Port */
fcoe->ctlr.lp = lport;
+ /* setup DCB priority attributes. */
+ fcoe_dcb_create(fcoe);
+
/* add to lports list */
fcoe_hostlist_add(lport);
skb_put(skb, sizeof(*sol));
skb->protocol = htons(ETH_P_FIP);
+ skb->priority = fip->priority;
skb_reset_mac_header(skb);
skb_reset_network_header(skb);
fip->send(fip, skb);
}
skb_put(skb, len);
skb->protocol = htons(ETH_P_FIP);
+ skb->priority = fip->priority;
skb_reset_mac_header(skb);
skb_reset_network_header(skb);
fip->send(fip, skb);
cap->fip.fip_dl_len = htons(dlen / FIP_BPW);
skb->protocol = htons(ETH_P_FIP);
+ skb->priority = fip->priority;
skb_reset_mac_header(skb);
skb_reset_network_header(skb);
return 0;
skb_put(skb, len);
skb->protocol = htons(ETH_P_FIP);
+ skb->priority = fip->priority;
skb_reset_mac_header(skb);
skb_reset_network_header(skb);
/* insert into event log */
sz = offsetof(Mpi2EventNotificationReply_t, EventData) +
sizeof(Mpi2EventDataSasDeviceStatusChange_t);
- event_reply = kzalloc(sz, GFP_KERNEL);
+ event_reply = kzalloc(sz, GFP_ATOMIC);
if (!event_reply) {
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
ioc->name, __FILE__, __LINE__, __func__);
scsi_qla_host_t *vha = shost_priv(shost);
struct scsi_qla_host *base_vha = pci_get_drvdata(vha->hw->pdev);
- if (!base_vha->flags.online)
+ if (!base_vha->flags.online) {
fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
- else if (atomic_read(&base_vha->loop_state) == LOOP_TIMEOUT)
- fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
- else
+ return;
+ }
+
+ switch (atomic_read(&base_vha->loop_state)) {
+ case LOOP_UPDATE:
+ fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
+ break;
+ case LOOP_DOWN:
+ if (test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags))
+ fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
+ else
+ fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
+ break;
+ case LOOP_DEAD:
+ fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
+ break;
+ case LOOP_READY:
fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
+ break;
+ default:
+ fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
+ break;
+ }
}
static int
* | Level | Last Value Used | Holes |
* ----------------------------------------------------------------------
* | Module Init and Probe | 0x0116 | |
- * | Mailbox commands | 0x1129 | |
+ * | Mailbox commands | 0x112b | |
* | Device Discovery | 0x2083 | |
* | Queue Command and IO tracing | 0x302e | 0x3008 |
* | DPC Thread | 0x401c | |
* | Async Events | 0x5059 | |
- * | Timer Routines | 0x600d | |
+ * | Timer Routines | 0x6010 | 0x600e,0x600f |
* | User Space Interactions | 0x709d | |
- * | Task Management | 0x8041 | |
+ * | Task Management | 0x8041 | 0x800b |
* | AER/EEH | 0x900f | |
* | Virtual Port | 0xa007 | |
- * | ISP82XX Specific | 0xb051 | |
+ * | ISP82XX Specific | 0xb052 | |
* | MultiQ | 0xc00b | |
* | Misc | 0xd00b | |
* ----------------------------------------------------------------------
extern void qla82xx_chip_reset_cleanup(scsi_qla_host_t *);
extern int qla82xx_mbx_beacon_ctl(scsi_qla_host_t *, int);
extern char *qdev_state(uint32_t);
+extern void qla82xx_clear_pending_mbx(scsi_qla_host_t *);
/* BSG related functions */
extern int qla24xx_bsg_request(struct fc_bsg_job *);
&ha->fw_xcb_count, NULL, NULL,
&ha->max_npiv_vports, NULL);
- if (!fw_major_version && ql2xallocfwdump)
+ if (!fw_major_version && ql2xallocfwdump
+ && !IS_QLA82XX(ha))
qla2x00_alloc_fw_dump(vha);
}
} else {
* Returns a pointer to the continuation type 1 IOCB packet.
*/
static inline cont_a64_entry_t *
-qla2x00_prep_cont_type1_iocb(scsi_qla_host_t *vha)
+qla2x00_prep_cont_type1_iocb(scsi_qla_host_t *vha, struct req_que *req)
{
cont_a64_entry_t *cont_pkt;
- struct req_que *req = vha->req;
/* Adjust ring index. */
req->ring_index++;
if (req->ring_index == req->length) {
* Five DSDs are available in the Continuation
* Type 1 IOCB.
*/
- cont_pkt = qla2x00_prep_cont_type1_iocb(vha);
+ cont_pkt = qla2x00_prep_cont_type1_iocb(vha, vha->req);
cur_dsd = (uint32_t *)cont_pkt->dseg_0_address;
avail_dsds = 5;
}
* Five DSDs are available in the Continuation
* Type 1 IOCB.
*/
- cont_pkt = qla2x00_prep_cont_type1_iocb(vha);
+ cont_pkt = qla2x00_prep_cont_type1_iocb(vha, vha->req);
cur_dsd = (uint32_t *)cont_pkt->dseg_0_address;
avail_dsds = 5;
}
* Five DSDs are available in the Cont.
* Type 1 IOCB.
*/
- cont_pkt = qla2x00_prep_cont_type1_iocb(vha);
+ cont_pkt = qla2x00_prep_cont_type1_iocb(vha,
+ vha->hw->req_q_map[0]);
cur_dsd = (uint32_t *) cont_pkt->dseg_0_address;
avail_dsds = 5;
cont_iocb_prsnt = 1;
int index;
uint16_t tot_dsds;
scsi_qla_host_t *vha = sp->fcport->vha;
+ struct qla_hw_data *ha = vha->hw;
struct fc_bsg_job *bsg_job = ((struct srb_ctx *)sp->ctx)->u.bsg_job;
int loop_iterartion = 0;
int cont_iocb_prsnt = 0;
* Five DSDs are available in the Cont.
* Type 1 IOCB.
*/
- cont_pkt = qla2x00_prep_cont_type1_iocb(vha);
+ cont_pkt = qla2x00_prep_cont_type1_iocb(vha,
+ ha->req_q_map[0]);
cur_dsd = (uint32_t *) cont_pkt->dseg_0_address;
avail_dsds = 5;
cont_iocb_prsnt = 1;
resid, scsi_bufflen(cp));
cp->result = DID_ERROR << 16 | lscsi_status;
- break;
+ goto check_scsi_status;
}
if (!lscsi_status &&
mcp->mb[0] = MBS_LINK_DOWN_ERROR;
ql_log(ql_log_warn, base_vha, 0x1004,
"FW hung = %d.\n", ha->flags.isp82xx_fw_hung);
- rval = QLA_FUNCTION_FAILED;
- goto premature_exit;
+ return QLA_FUNCTION_TIMEOUT;
}
/*
HINT_MBX_INT_PENDING) {
spin_unlock_irqrestore(&ha->hardware_lock,
flags);
+ ha->flags.mbox_busy = 0;
ql_dbg(ql_dbg_mbx, base_vha, 0x1010,
"Pending mailbox timeout, exiting.\n");
rval = QLA_FUNCTION_TIMEOUT;
HINT_MBX_INT_PENDING) {
spin_unlock_irqrestore(&ha->hardware_lock,
flags);
+ ha->flags.mbox_busy = 0;
ql_dbg(ql_dbg_mbx, base_vha, 0x1012,
"Pending mailbox timeout, exiting.\n");
rval = QLA_FUNCTION_TIMEOUT;
if (!test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) &&
!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) &&
!test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
-
+ if (IS_QLA82XX(ha)) {
+ ql_dbg(ql_dbg_mbx, vha, 0x112a,
+ "disabling pause transmit on port "
+ "0 & 1.\n");
+ qla82xx_wr_32(ha,
+ QLA82XX_CRB_NIU + 0x98,
+ CRB_NIU_XG_PAUSE_CTL_P0|
+ CRB_NIU_XG_PAUSE_CTL_P1);
+ }
ql_log(ql_log_info, base_vha, 0x101c,
"Mailbox cmd timeout occured. "
"Scheduling ISP abort eeh_busy=0x%x.\n",
if (!test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) &&
!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) &&
!test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
-
+ if (IS_QLA82XX(ha)) {
+ ql_dbg(ql_dbg_mbx, vha, 0x112b,
+ "disabling pause transmit on port "
+ "0 & 1.\n");
+ qla82xx_wr_32(ha,
+ QLA82XX_CRB_NIU + 0x98,
+ CRB_NIU_XG_PAUSE_CTL_P0|
+ CRB_NIU_XG_PAUSE_CTL_P1);
+ }
ql_log(ql_log_info, base_vha, 0x101e,
"Mailbox cmd timeout occured. "
"Scheduling ISP abort.\n");
return rval;
}
+void qla82xx_clear_pending_mbx(scsi_qla_host_t *vha)
+{
+ struct qla_hw_data *ha = vha->hw;
+
+ if (ha->flags.mbox_busy) {
+ ha->flags.mbox_int = 1;
+ ha->flags.mbox_busy = 0;
+ ql_log(ql_log_warn, vha, 0x6010,
+ "Doing premature completion of mbx command.\n");
+ if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags))
+ complete(&ha->mbx_intr_comp);
+ }
+}
+
void qla82xx_watchdog(scsi_qla_host_t *vha)
{
uint32_t dev_state, halt_status;
qla2xxx_wake_dpc(vha);
} else {
if (qla82xx_check_fw_alive(vha)) {
+ ql_dbg(ql_dbg_timer, vha, 0x6011,
+ "disabling pause transmit on port 0 & 1.\n");
+ qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98,
+ CRB_NIU_XG_PAUSE_CTL_P0|CRB_NIU_XG_PAUSE_CTL_P1);
halt_status = qla82xx_rd_32(ha,
QLA82XX_PEG_HALT_STATUS1);
- ql_dbg(ql_dbg_timer, vha, 0x6005,
+ ql_log(ql_log_info, vha, 0x6005,
"dumping hw/fw registers:.\n "
" PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,.\n "
" PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,.\n "
QLA82XX_CRB_PEG_NET_3 + 0x3c),
qla82xx_rd_32(ha,
QLA82XX_CRB_PEG_NET_4 + 0x3c));
+ if (LSW(MSB(halt_status)) == 0x67)
+ ql_log(ql_log_warn, vha, 0xb052,
+ "Firmware aborted with "
+ "error code 0x00006700. Device is "
+ "being reset.\n");
if (halt_status & HALT_STATUS_UNRECOVERABLE) {
set_bit(ISP_UNRECOVERABLE,
&vha->dpc_flags);
}
qla2xxx_wake_dpc(vha);
ha->flags.isp82xx_fw_hung = 1;
- if (ha->flags.mbox_busy) {
- ha->flags.mbox_int = 1;
- ql_log(ql_log_warn, vha, 0x6007,
- "Due to FW hung, doing "
- "premature completion of mbx "
- "command.\n");
- if (test_bit(MBX_INTR_WAIT,
- &ha->mbx_cmd_flags))
- complete(&ha->mbx_intr_comp);
- }
+ ql_log(ql_log_warn, vha, 0x6007, "Firmware hung.\n");
+ qla82xx_clear_pending_mbx(vha);
}
}
}
msleep(1000);
if (qla82xx_check_fw_alive(vha)) {
ha->flags.isp82xx_fw_hung = 1;
- if (ha->flags.mbox_busy) {
- ha->flags.mbox_int = 1;
- complete(&ha->mbx_intr_comp);
- }
+ qla82xx_clear_pending_mbx(vha);
break;
}
}
static const int MD_MIU_TEST_AGT_RDDATA[] = { 0x410000A8, 0x410000AC,
0x410000B8, 0x410000BC };
+
+#define CRB_NIU_XG_PAUSE_CTL_P0 0x1
+#define CRB_NIU_XG_PAUSE_CTL_P1 0x8
+
#endif
"Set the Minidump driver capture mask level. "
"Default is 0x7F - Can be set to 0x3, 0x7, 0xF, 0x1F, 0x7F.");
-int ql2xmdenable;
+int ql2xmdenable = 1;
module_param(ql2xmdenable, int, S_IRUGO);
MODULE_PARM_DESC(ql2xmdenable,
"Enable/disable MiniDump. "
- "0 (Default) - MiniDump disabled. "
- "1 - MiniDump enabled.");
+ "0 - MiniDump disabled. "
+ "1 (Default) - MiniDump enabled.");
/*
* SCSI host template entry points
qla25xx_delete_queues(vha);
destroy_workqueue(ha->wq);
ha->wq = NULL;
+ vha->req = ha->req_q_map[0];
fail:
ha->mqenable = 0;
kfree(ha->req_q_map);
return return_status;
}
-/*
- * qla2x00_wait_for_loop_ready
- * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
- * to be in LOOP_READY state.
- * Input:
- * ha - pointer to host adapter structure
- *
- * Note:
- * Does context switching-Release SPIN_LOCK
- * (if any) before calling this routine.
- *
- *
- * Return:
- * Success (LOOP_READY) : 0
- * Failed (LOOP_NOT_READY) : 1
- */
-static inline int
-qla2x00_wait_for_loop_ready(scsi_qla_host_t *vha)
-{
- int return_status = QLA_SUCCESS;
- unsigned long loop_timeout ;
- struct qla_hw_data *ha = vha->hw;
- scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
-
- /* wait for 5 min at the max for loop to be ready */
- loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
-
- while ((!atomic_read(&base_vha->loop_down_timer) &&
- atomic_read(&base_vha->loop_state) == LOOP_DOWN) ||
- atomic_read(&base_vha->loop_state) != LOOP_READY) {
- if (atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
- return_status = QLA_FUNCTION_FAILED;
- break;
- }
- msleep(1000);
- if (time_after_eq(jiffies, loop_timeout)) {
- return_status = QLA_FUNCTION_FAILED;
- break;
- }
- }
- return (return_status);
-}
-
static void
sp_get(struct srb *sp)
{
"Wait for hba online failed for cmd=%p.\n", cmd);
goto eh_reset_failed;
}
- err = 1;
- if (qla2x00_wait_for_loop_ready(vha) != QLA_SUCCESS) {
- ql_log(ql_log_warn, vha, 0x800b,
- "Wait for loop ready failed for cmd=%p.\n", cmd);
- goto eh_reset_failed;
- }
err = 2;
if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
!= QLA_SUCCESS) {
goto eh_bus_reset_done;
}
- if (qla2x00_wait_for_loop_ready(vha) == QLA_SUCCESS) {
- if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
- ret = SUCCESS;
- }
+ if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
+ ret = SUCCESS;
+
if (ret == FAILED)
goto eh_bus_reset_done;
if (qla2x00_wait_for_reset_ready(vha) != QLA_SUCCESS)
goto eh_host_reset_lock;
- /*
- * Fixme-may be dpc thread is active and processing
- * loop_resync,so wait a while for it to
- * be completed and then issue big hammer.Otherwise
- * it may cause I/O failure as big hammer marks the
- * devices as lost kicking of the port_down_timer
- * while dpc is stuck for the mailbox to complete.
- */
- qla2x00_wait_for_loop_ready(vha);
if (vha != base_vha) {
if (qla2x00_vp_abort_isp(vha))
goto eh_host_reset_lock;
atomic_set(&vha->loop_state, LOOP_DOWN);
atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
qla2x00_mark_all_devices_lost(vha, 0);
- qla2x00_wait_for_loop_ready(vha);
}
if (ha->flags.enable_lip_reset) {
ret = qla2x00_lip_reset(vha);
- if (ret != QLA_SUCCESS) {
+ if (ret != QLA_SUCCESS)
ql_dbg(ql_dbg_taskm, vha, 0x802e,
"lip_reset failed (%d).\n", ret);
- } else
- qla2x00_wait_for_loop_ready(vha);
}
/* Issue marker command only when we are going to start the I/O */
/* For ISP82XX complete any pending mailbox cmd */
if (IS_QLA82XX(ha)) {
ha->flags.isp82xx_fw_hung = 1;
- if (ha->flags.mbox_busy) {
- ha->flags.mbox_int = 1;
- ql_dbg(ql_dbg_aer, vha, 0x9001,
- "Due to pci channel io frozen, doing premature "
- "completion of mbx command.\n");
- complete(&ha->mbx_intr_comp);
- }
+ ql_dbg(ql_dbg_aer, vha, 0x9001, "Pci channel io frozen\n");
+ qla82xx_clear_pending_mbx(vha);
}
qla2x00_free_irqs(vha);
pci_disable_device(pdev);
/*
* Driver version
*/
-#define QLA2XXX_VERSION "8.03.07.07-k"
+#define QLA2XXX_VERSION "8.03.07.12-k"
#define QLA_DRIVER_MAJOR_VER 8
#define QLA_DRIVER_MINOR_VER 3
#define ISCSI_ALIAS_SIZE 32 /* ISCSI Alias name size */
#define ISCSI_NAME_SIZE 0xE0 /* ISCSI Name size */
-#define QL4_SESS_RECOVERY_TMO 30 /* iSCSI session */
+#define QL4_SESS_RECOVERY_TMO 120 /* iSCSI session */
/* recovery timeout */
#define LSDW(x) ((u32)((u64)(x)))
#define ISNS_DEREG_TOV 5
#define HBA_ONLINE_TOV 30
#define DISABLE_ACB_TOV 30
+#define IP_CONFIG_TOV 30
+#define LOGIN_TOV 12
#define MAX_RESET_HA_RETRIES 2
uint16_t fw_ddb_index; /* DDB firmware index */
uint32_t fw_ddb_device_state; /* F/W Device State -- see ql4_fw.h */
+ uint16_t ddb_type;
+#define FLASH_DDB 0x01
+
+ struct dev_db_entry fw_ddb_entry;
+ int (*unblock_sess)(struct iscsi_cls_session *cls_session);
+ int (*ddb_change)(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
+ struct ddb_entry *ddb_entry, uint32_t state);
+
+ /* Driver Re-login */
+ unsigned long flags; /* DDB Flags */
+ uint16_t default_relogin_timeout; /* Max time to wait for
+ * relogin to complete */
+ atomic_t retry_relogin_timer; /* Min Time between relogins
+ * (4000 only) */
+ atomic_t relogin_timer; /* Max Time to wait for
+ * relogin to complete */
+ atomic_t relogin_retry_count; /* Num of times relogin has been
+ * retried */
+ uint32_t default_time2wait; /* Default Min time between
+ * relogins (+aens) */
+
+};
+
+struct qla_ddb_index {
+ struct list_head list;
+ uint16_t fw_ddb_idx;
+ struct dev_db_entry fw_ddb;
+};
+
+#define DDB_IPADDR_LEN 64
+
+struct ql4_tuple_ddb {
+ int port;
+ int tpgt;
+ char ip_addr[DDB_IPADDR_LEN];
+ char iscsi_name[ISCSI_NAME_SIZE];
+ uint16_t options;
+#define DDB_OPT_IPV6 0x0e0e
+#define DDB_OPT_IPV4 0x0f0f
};
/*
#define AF_FW_RECOVERY 19 /* 0x00080000 */
#define AF_EEH_BUSY 20 /* 0x00100000 */
#define AF_PCI_CHANNEL_IO_PERM_FAILURE 21 /* 0x00200000 */
-
+#define AF_BUILD_DDB_LIST 22 /* 0x00400000 */
unsigned long dpc_flags;
#define DPC_RESET_HA 1 /* 0x00000002 */
uint16_t bootload_minor;
uint16_t bootload_patch;
uint16_t bootload_build;
+ uint16_t def_timeout; /* Default login timeout */
uint32_t flash_state;
#define QLFLASH_WAITING 0
uint16_t iscsi_pci_func_cnt;
uint8_t model_name[16];
struct completion disable_acb_comp;
+ struct dma_pool *fw_ddb_dma_pool;
+#define DDB_DMA_BLOCK_SIZE 512
+ uint16_t pri_ddb_idx;
+ uint16_t sec_ddb_idx;
+ int is_reset;
};
struct ql4_task_data {
/*---------------------------------------------------------------------------*/
/* Defines for qla4xxx_initialize_adapter() and qla4xxx_recover_adapter() */
+
+#define INIT_ADAPTER 0
+#define RESET_ADAPTER 1
+
#define PRESERVE_DDB_LIST 0
#define REBUILD_DDB_LIST 1
#define MAX_PRST_DEV_DB_ENTRIES 64
#define MIN_DISC_DEV_DB_ENTRY MAX_PRST_DEV_DB_ENTRIES
#define MAX_DEV_DB_ENTRIES 512
+#define MAX_DEV_DB_ENTRIES_40XX 256
/*************************************************************************
*
uint8_t res14[140]; /* 274-2FF */
};
+#define IP_ADDR_COUNT 4 /* Total 4 IP address supported in one interface
+ * One IPv4, one IPv6 link local and 2 IPv6
+ */
+
+#define IP_STATE_MASK 0x0F000000
+#define IP_STATE_SHIFT 24
+
struct init_fw_ctrl_blk {
struct addr_ctrl_blk pri;
/* struct addr_ctrl_blk sec;*/
int qla4xxx_hw_reset(struct scsi_qla_host *ha);
int ql4xxx_lock_drvr_wait(struct scsi_qla_host *a);
int qla4xxx_send_command_to_isp(struct scsi_qla_host *ha, struct srb *srb);
-int qla4xxx_initialize_adapter(struct scsi_qla_host *ha);
+int qla4xxx_initialize_adapter(struct scsi_qla_host *ha, int is_reset);
int qla4xxx_soft_reset(struct scsi_qla_host *ha);
irqreturn_t qla4xxx_intr_handler(int irq, void *dev_id);
uint32_t *mbx_sts);
int qla4xxx_clear_ddb_entry(struct scsi_qla_host *ha, uint32_t fw_ddb_index);
int qla4xxx_send_passthru0(struct iscsi_task *task);
+void qla4xxx_free_ddb_index(struct scsi_qla_host *ha);
int qla4xxx_get_mgmt_data(struct scsi_qla_host *ha, uint16_t fw_ddb_index,
uint16_t stats_size, dma_addr_t stats_dma);
void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha,
struct ddb_entry *ddb_entry);
+void qla4xxx_update_session_conn_fwddb_param(struct scsi_qla_host *ha,
+ struct ddb_entry *ddb_entry);
int qla4xxx_bootdb_by_index(struct scsi_qla_host *ha,
struct dev_db_entry *fw_ddb_entry,
dma_addr_t fw_ddb_entry_dma, uint16_t ddb_index);
int qla4xxx_restore_factory_defaults(struct scsi_qla_host *ha,
uint32_t region, uint32_t field0,
uint32_t field1);
+int qla4xxx_get_ddb_index(struct scsi_qla_host *ha, uint16_t *ddb_index);
+void qla4xxx_login_flash_ddb(struct iscsi_cls_session *cls_session);
+int qla4xxx_unblock_ddb(struct iscsi_cls_session *cls_session);
+int qla4xxx_unblock_flash_ddb(struct iscsi_cls_session *cls_session);
+int qla4xxx_flash_ddb_change(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
+ struct ddb_entry *ddb_entry, uint32_t state);
+int qla4xxx_ddb_change(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
+ struct ddb_entry *ddb_entry, uint32_t state);
+void qla4xxx_build_ddb_list(struct scsi_qla_host *ha, int is_reset);
/* BSG Functions */
int qla4xxx_bsg_request(struct bsg_job *bsg_job);
int qla4xxx_process_vendor_specific(struct bsg_job *bsg_job);
+void qla4xxx_arm_relogin_timer(struct ddb_entry *ddb_entry);
+
extern int ql4xextended_error_logging;
extern int ql4xdontresethba;
extern int ql4xenablemsix;
* be freed so that when login happens from user space there are free DDB
* indices available.
**/
-static void qla4xxx_free_ddb_index(struct scsi_qla_host *ha)
+void qla4xxx_free_ddb_index(struct scsi_qla_host *ha)
{
int max_ddbs;
int ret;
uint32_t idx = 0, next_idx = 0;
uint32_t state = 0, conn_err = 0;
- max_ddbs = is_qla40XX(ha) ? MAX_PRST_DEV_DB_ENTRIES :
+ max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
MAX_DEV_DB_ENTRIES;
for (idx = 0; idx < max_ddbs; idx = next_idx) {
ret = qla4xxx_get_fwddb_entry(ha, idx, NULL, 0, NULL,
&next_idx, &state, &conn_err,
NULL, NULL);
- if (ret == QLA_ERROR)
+ if (ret == QLA_ERROR) {
+ next_idx++;
continue;
+ }
if (state == DDB_DS_NO_CONNECTION_ACTIVE ||
state == DDB_DS_SESSION_FAILED) {
DEBUG2(ql4_printk(KERN_INFO, ha,
}
}
-
/**
* qla4xxx_initialize_adapter - initiailizes hba
* @ha: Pointer to host adapter structure.
* This routine parforms all of the steps necessary to initialize the adapter.
*
**/
-int qla4xxx_initialize_adapter(struct scsi_qla_host *ha)
+int qla4xxx_initialize_adapter(struct scsi_qla_host *ha, int is_reset)
{
int status = QLA_ERROR;
if (status == QLA_ERROR)
goto exit_init_hba;
- qla4xxx_free_ddb_index(ha);
+ if (is_reset == RESET_ADAPTER)
+ qla4xxx_build_ddb_list(ha, is_reset);
set_bit(AF_ONLINE, &ha->flags);
exit_init_hba:
return status;
}
-/**
- * qla4xxx_process_ddb_changed - process ddb state change
- * @ha - Pointer to host adapter structure.
- * @fw_ddb_index - Firmware's device database index
- * @state - Device state
- *
- * This routine processes a Decive Database Changed AEN Event.
- **/
-int qla4xxx_process_ddb_changed(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
- uint32_t state, uint32_t conn_err)
+int qla4xxx_ddb_change(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
+ struct ddb_entry *ddb_entry, uint32_t state)
{
- struct ddb_entry * ddb_entry;
uint32_t old_fw_ddb_device_state;
int status = QLA_ERROR;
- /* check for out of range index */
- if (fw_ddb_index >= MAX_DDB_ENTRIES)
- goto exit_ddb_event;
-
- /* Get the corresponging ddb entry */
- ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, fw_ddb_index);
- /* Device does not currently exist in our database. */
- if (ddb_entry == NULL) {
- ql4_printk(KERN_ERR, ha, "%s: No ddb_entry at FW index [%d]\n",
- __func__, fw_ddb_index);
-
- if (state == DDB_DS_NO_CONNECTION_ACTIVE)
- clear_bit(fw_ddb_index, ha->ddb_idx_map);
-
- goto exit_ddb_event;
- }
-
old_fw_ddb_device_state = ddb_entry->fw_ddb_device_state;
DEBUG2(ql4_printk(KERN_INFO, ha,
"%s: DDB - old state = 0x%x, new state = 0x%x for "
switch (state) {
case DDB_DS_SESSION_ACTIVE:
case DDB_DS_DISCOVERY:
- iscsi_conn_start(ddb_entry->conn);
- iscsi_conn_login_event(ddb_entry->conn,
- ISCSI_CONN_STATE_LOGGED_IN);
+ ddb_entry->unblock_sess(ddb_entry->sess);
qla4xxx_update_session_conn_param(ha, ddb_entry);
status = QLA_SUCCESS;
break;
switch (state) {
case DDB_DS_SESSION_ACTIVE:
case DDB_DS_DISCOVERY:
- iscsi_conn_start(ddb_entry->conn);
- iscsi_conn_login_event(ddb_entry->conn,
- ISCSI_CONN_STATE_LOGGED_IN);
+ ddb_entry->unblock_sess(ddb_entry->sess);
qla4xxx_update_session_conn_param(ha, ddb_entry);
status = QLA_SUCCESS;
break;
__func__));
break;
}
+ return status;
+}
+
+void qla4xxx_arm_relogin_timer(struct ddb_entry *ddb_entry)
+{
+ /*
+ * This triggers a relogin. After the relogin_timer
+ * expires, the relogin gets scheduled. We must wait a
+ * minimum amount of time since receiving an 0x8014 AEN
+ * with failed device_state or a logout response before
+ * we can issue another relogin.
+ *
+ * Firmware pads this timeout: (time2wait +1).
+ * Driver retry to login should be longer than F/W.
+ * Otherwise F/W will fail
+ * set_ddb() mbx cmd with 0x4005 since it still
+ * counting down its time2wait.
+ */
+ atomic_set(&ddb_entry->relogin_timer, 0);
+ atomic_set(&ddb_entry->retry_relogin_timer,
+ ddb_entry->default_time2wait + 4);
+
+}
+
+int qla4xxx_flash_ddb_change(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
+ struct ddb_entry *ddb_entry, uint32_t state)
+{
+ uint32_t old_fw_ddb_device_state;
+ int status = QLA_ERROR;
+
+ old_fw_ddb_device_state = ddb_entry->fw_ddb_device_state;
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "%s: DDB - old state = 0x%x, new state = 0x%x for "
+ "index [%d]\n", __func__,
+ ddb_entry->fw_ddb_device_state, state, fw_ddb_index));
+
+ ddb_entry->fw_ddb_device_state = state;
+
+ switch (old_fw_ddb_device_state) {
+ case DDB_DS_LOGIN_IN_PROCESS:
+ case DDB_DS_NO_CONNECTION_ACTIVE:
+ switch (state) {
+ case DDB_DS_SESSION_ACTIVE:
+ ddb_entry->unblock_sess(ddb_entry->sess);
+ qla4xxx_update_session_conn_fwddb_param(ha, ddb_entry);
+ status = QLA_SUCCESS;
+ break;
+ case DDB_DS_SESSION_FAILED:
+ iscsi_block_session(ddb_entry->sess);
+ if (!test_bit(DF_RELOGIN, &ddb_entry->flags))
+ qla4xxx_arm_relogin_timer(ddb_entry);
+ status = QLA_SUCCESS;
+ break;
+ }
+ break;
+ case DDB_DS_SESSION_ACTIVE:
+ switch (state) {
+ case DDB_DS_SESSION_FAILED:
+ iscsi_block_session(ddb_entry->sess);
+ if (!test_bit(DF_RELOGIN, &ddb_entry->flags))
+ qla4xxx_arm_relogin_timer(ddb_entry);
+ status = QLA_SUCCESS;
+ break;
+ }
+ break;
+ case DDB_DS_SESSION_FAILED:
+ switch (state) {
+ case DDB_DS_SESSION_ACTIVE:
+ ddb_entry->unblock_sess(ddb_entry->sess);
+ qla4xxx_update_session_conn_fwddb_param(ha, ddb_entry);
+ status = QLA_SUCCESS;
+ break;
+ case DDB_DS_SESSION_FAILED:
+ if (!test_bit(DF_RELOGIN, &ddb_entry->flags))
+ qla4xxx_arm_relogin_timer(ddb_entry);
+ status = QLA_SUCCESS;
+ break;
+ }
+ break;
+ default:
+ DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Unknown Event\n",
+ __func__));
+ break;
+ }
+ return status;
+}
+
+/**
+ * qla4xxx_process_ddb_changed - process ddb state change
+ * @ha - Pointer to host adapter structure.
+ * @fw_ddb_index - Firmware's device database index
+ * @state - Device state
+ *
+ * This routine processes a Decive Database Changed AEN Event.
+ **/
+int qla4xxx_process_ddb_changed(struct scsi_qla_host *ha,
+ uint32_t fw_ddb_index,
+ uint32_t state, uint32_t conn_err)
+{
+ struct ddb_entry *ddb_entry;
+ int status = QLA_ERROR;
+
+ /* check for out of range index */
+ if (fw_ddb_index >= MAX_DDB_ENTRIES)
+ goto exit_ddb_event;
+
+ /* Get the corresponging ddb entry */
+ ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, fw_ddb_index);
+ /* Device does not currently exist in our database. */
+ if (ddb_entry == NULL) {
+ ql4_printk(KERN_ERR, ha, "%s: No ddb_entry at FW index [%d]\n",
+ __func__, fw_ddb_index);
+
+ if (state == DDB_DS_NO_CONNECTION_ACTIVE)
+ clear_bit(fw_ddb_index, ha->ddb_idx_map);
+
+ goto exit_ddb_event;
+ }
+
+ ddb_entry->ddb_change(ha, fw_ddb_index, ddb_entry, state);
exit_ddb_event:
return status;
}
+
+/**
+ * qla4xxx_login_flash_ddb - Login to target (DDB)
+ * @cls_session: Pointer to the session to login
+ *
+ * This routine logins to the target.
+ * Issues setddb and conn open mbx
+ **/
+void qla4xxx_login_flash_ddb(struct iscsi_cls_session *cls_session)
+{
+ struct iscsi_session *sess;
+ struct ddb_entry *ddb_entry;
+ struct scsi_qla_host *ha;
+ struct dev_db_entry *fw_ddb_entry = NULL;
+ dma_addr_t fw_ddb_dma;
+ uint32_t mbx_sts = 0;
+ int ret;
+
+ sess = cls_session->dd_data;
+ ddb_entry = sess->dd_data;
+ ha = ddb_entry->ha;
+
+ if (!test_bit(AF_LINK_UP, &ha->flags))
+ return;
+
+ if (ddb_entry->ddb_type != FLASH_DDB) {
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "Skipping login to non FLASH DB"));
+ goto exit_login;
+ }
+
+ fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL,
+ &fw_ddb_dma);
+ if (fw_ddb_entry == NULL) {
+ DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n"));
+ goto exit_login;
+ }
+
+ if (ddb_entry->fw_ddb_index == INVALID_ENTRY) {
+ ret = qla4xxx_get_ddb_index(ha, &ddb_entry->fw_ddb_index);
+ if (ret == QLA_ERROR)
+ goto exit_login;
+
+ ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = ddb_entry;
+ ha->tot_ddbs++;
+ }
+
+ memcpy(fw_ddb_entry, &ddb_entry->fw_ddb_entry,
+ sizeof(struct dev_db_entry));
+ ddb_entry->sess->target_id = ddb_entry->fw_ddb_index;
+
+ ret = qla4xxx_set_ddb_entry(ha, ddb_entry->fw_ddb_index,
+ fw_ddb_dma, &mbx_sts);
+ if (ret == QLA_ERROR) {
+ DEBUG2(ql4_printk(KERN_ERR, ha, "Set DDB failed\n"));
+ goto exit_login;
+ }
+
+ ddb_entry->fw_ddb_device_state = DDB_DS_LOGIN_IN_PROCESS;
+ ret = qla4xxx_conn_open(ha, ddb_entry->fw_ddb_index);
+ if (ret == QLA_ERROR) {
+ ql4_printk(KERN_ERR, ha, "%s: Login failed: %s\n", __func__,
+ sess->targetname);
+ goto exit_login;
+ }
+
+exit_login:
+ if (fw_ddb_entry)
+ dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma);
+}
+
return status;
}
+ if (is_qla40XX(ha)) {
+ if (test_bit(AF_HA_REMOVAL, &ha->flags)) {
+ DEBUG2(ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: "
+ "prematurely completing mbx cmd as "
+ "adapter removal detected\n",
+ ha->host_no, __func__));
+ return status;
+ }
+ }
+
if (is_qla8022(ha)) {
if (test_bit(AF_FW_RECOVERY, &ha->flags)) {
DEBUG2(ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: "
memcpy(ha->name_string, init_fw_cb->iscsi_name,
min(sizeof(ha->name_string),
sizeof(init_fw_cb->iscsi_name)));
+ ha->def_timeout = le16_to_cpu(init_fw_cb->def_timeout);
/*memcpy(ha->alias, init_fw_cb->Alias,
min(sizeof(ha->alias), sizeof(init_fw_cb->Alias)));*/
#include <linux/slab.h>
#include <linux/blkdev.h>
#include <linux/iscsi_boot_sysfs.h>
+#include <linux/inet.h>
#include <scsi/scsi_tcq.h>
#include <scsi/scsicam.h>
/*
* Module parameter information and variables
*/
+int ql4xdisablesysfsboot = 1;
+module_param(ql4xdisablesysfsboot, int, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(ql4xdisablesysfsboot,
+ "Set to disable exporting boot targets to sysfs\n"
+ " 0 - Export boot targets\n"
+ " 1 - Do not export boot targets (Default)");
+
int ql4xdontresethba = 0;
module_param(ql4xdontresethba, int, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(ql4xdontresethba,
module_param(ql4xsess_recovery_tmo, int, S_IRUGO);
MODULE_PARM_DESC(ql4xsess_recovery_tmo,
"Target Session Recovery Timeout.\n"
- " Default: 30 sec.");
+ " Default: 120 sec.");
static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha);
/*
qla_ep = ep->dd_data;
ha = to_qla_host(qla_ep->host);
- if (adapter_up(ha))
+ if (adapter_up(ha) && !test_bit(AF_BUILD_DDB_LIST, &ha->flags))
ret = 1;
return ret;
}
+int qla4xxx_get_ddb_index(struct scsi_qla_host *ha, uint16_t *ddb_index)
+{
+ uint32_t mbx_sts = 0;
+ uint16_t tmp_ddb_index;
+ int ret;
+
+get_ddb_index:
+ tmp_ddb_index = find_first_zero_bit(ha->ddb_idx_map, MAX_DDB_ENTRIES);
+
+ if (tmp_ddb_index >= MAX_DDB_ENTRIES) {
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "Free DDB index not available\n"));
+ ret = QLA_ERROR;
+ goto exit_get_ddb_index;
+ }
+
+ if (test_and_set_bit(tmp_ddb_index, ha->ddb_idx_map))
+ goto get_ddb_index;
+
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "Found a free DDB index at %d\n", tmp_ddb_index));
+ ret = qla4xxx_req_ddb_entry(ha, tmp_ddb_index, &mbx_sts);
+ if (ret == QLA_ERROR) {
+ if (mbx_sts == MBOX_STS_COMMAND_ERROR) {
+ ql4_printk(KERN_INFO, ha,
+ "DDB index = %d not available trying next\n",
+ tmp_ddb_index);
+ goto get_ddb_index;
+ }
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "Free FW DDB not available\n"));
+ }
+
+ *ddb_index = tmp_ddb_index;
+
+exit_get_ddb_index:
+ return ret;
+}
+
+static int qla4xxx_match_ipaddress(struct scsi_qla_host *ha,
+ struct ddb_entry *ddb_entry,
+ char *existing_ipaddr,
+ char *user_ipaddr)
+{
+ uint8_t dst_ipaddr[IPv6_ADDR_LEN];
+ char formatted_ipaddr[DDB_IPADDR_LEN];
+ int status = QLA_SUCCESS, ret = 0;
+
+ if (ddb_entry->fw_ddb_entry.options & DDB_OPT_IPV6_DEVICE) {
+ ret = in6_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr,
+ '\0', NULL);
+ if (ret == 0) {
+ status = QLA_ERROR;
+ goto out_match;
+ }
+ ret = sprintf(formatted_ipaddr, "%pI6", dst_ipaddr);
+ } else {
+ ret = in4_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr,
+ '\0', NULL);
+ if (ret == 0) {
+ status = QLA_ERROR;
+ goto out_match;
+ }
+ ret = sprintf(formatted_ipaddr, "%pI4", dst_ipaddr);
+ }
+
+ if (strcmp(existing_ipaddr, formatted_ipaddr))
+ status = QLA_ERROR;
+
+out_match:
+ return status;
+}
+
+static int qla4xxx_match_fwdb_session(struct scsi_qla_host *ha,
+ struct iscsi_cls_conn *cls_conn)
+{
+ int idx = 0, max_ddbs, rval;
+ struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn);
+ struct iscsi_session *sess, *existing_sess;
+ struct iscsi_conn *conn, *existing_conn;
+ struct ddb_entry *ddb_entry;
+
+ sess = cls_sess->dd_data;
+ conn = cls_conn->dd_data;
+
+ if (sess->targetname == NULL ||
+ conn->persistent_address == NULL ||
+ conn->persistent_port == 0)
+ return QLA_ERROR;
+
+ max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
+ MAX_DEV_DB_ENTRIES;
+
+ for (idx = 0; idx < max_ddbs; idx++) {
+ ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
+ if (ddb_entry == NULL)
+ continue;
+
+ if (ddb_entry->ddb_type != FLASH_DDB)
+ continue;
+
+ existing_sess = ddb_entry->sess->dd_data;
+ existing_conn = ddb_entry->conn->dd_data;
+
+ if (existing_sess->targetname == NULL ||
+ existing_conn->persistent_address == NULL ||
+ existing_conn->persistent_port == 0)
+ continue;
+
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "IQN = %s User IQN = %s\n",
+ existing_sess->targetname,
+ sess->targetname));
+
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "IP = %s User IP = %s\n",
+ existing_conn->persistent_address,
+ conn->persistent_address));
+
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "Port = %d User Port = %d\n",
+ existing_conn->persistent_port,
+ conn->persistent_port));
+
+ if (strcmp(existing_sess->targetname, sess->targetname))
+ continue;
+ rval = qla4xxx_match_ipaddress(ha, ddb_entry,
+ existing_conn->persistent_address,
+ conn->persistent_address);
+ if (rval == QLA_ERROR)
+ continue;
+ if (existing_conn->persistent_port != conn->persistent_port)
+ continue;
+ break;
+ }
+
+ if (idx == max_ddbs)
+ return QLA_ERROR;
+
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "Match found in fwdb sessions\n"));
+ return QLA_SUCCESS;
+}
+
static struct iscsi_cls_session *
qla4xxx_session_create(struct iscsi_endpoint *ep,
uint16_t cmds_max, uint16_t qdepth,
struct scsi_qla_host *ha;
struct qla_endpoint *qla_ep;
struct ddb_entry *ddb_entry;
- uint32_t ddb_index;
- uint32_t mbx_sts = 0;
+ uint16_t ddb_index;
struct iscsi_session *sess;
struct sockaddr *dst_addr;
int ret;
dst_addr = (struct sockaddr *)&qla_ep->dst_addr;
ha = to_qla_host(qla_ep->host);
-get_ddb_index:
- ddb_index = find_first_zero_bit(ha->ddb_idx_map, MAX_DDB_ENTRIES);
-
- if (ddb_index >= MAX_DDB_ENTRIES) {
- DEBUG2(ql4_printk(KERN_INFO, ha,
- "Free DDB index not available\n"));
- return NULL;
- }
-
- if (test_and_set_bit(ddb_index, ha->ddb_idx_map))
- goto get_ddb_index;
-
- DEBUG2(ql4_printk(KERN_INFO, ha,
- "Found a free DDB index at %d\n", ddb_index));
- ret = qla4xxx_req_ddb_entry(ha, ddb_index, &mbx_sts);
- if (ret == QLA_ERROR) {
- if (mbx_sts == MBOX_STS_COMMAND_ERROR) {
- ql4_printk(KERN_INFO, ha,
- "DDB index = %d not available trying next\n",
- ddb_index);
- goto get_ddb_index;
- }
- DEBUG2(ql4_printk(KERN_INFO, ha,
- "Free FW DDB not available\n"));
+ ret = qla4xxx_get_ddb_index(ha, &ddb_index);
+ if (ret == QLA_ERROR)
return NULL;
- }
cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, qla_ep->host,
cmds_max, sizeof(struct ddb_entry),
ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE;
ddb_entry->ha = ha;
ddb_entry->sess = cls_sess;
+ ddb_entry->unblock_sess = qla4xxx_unblock_ddb;
+ ddb_entry->ddb_change = qla4xxx_ddb_change;
cls_sess->recovery_tmo = ql4xsess_recovery_tmo;
ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = ddb_entry;
ha->tot_ddbs++;
DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn),
conn_idx);
+ if (!cls_conn)
+ return NULL;
+
sess = cls_sess->dd_data;
ddb_entry = sess->dd_data;
ddb_entry->conn = cls_conn;
struct iscsi_session *sess;
struct ddb_entry *ddb_entry;
struct scsi_qla_host *ha;
- struct dev_db_entry *fw_ddb_entry;
+ struct dev_db_entry *fw_ddb_entry = NULL;
dma_addr_t fw_ddb_entry_dma;
uint32_t mbx_sts = 0;
int ret = 0;
ddb_entry = sess->dd_data;
ha = ddb_entry->ha;
+ /* Check if we have matching FW DDB, if yes then do not
+ * login to this target. This could cause target to logout previous
+ * connection
+ */
+ ret = qla4xxx_match_fwdb_session(ha, cls_conn);
+ if (ret == QLA_SUCCESS) {
+ ql4_printk(KERN_INFO, ha,
+ "Session already exist in FW.\n");
+ ret = -EEXIST;
+ goto exit_conn_start;
+ }
+
fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
&fw_ddb_entry_dma, GFP_KERNEL);
if (!fw_ddb_entry) {
ql4_printk(KERN_ERR, ha,
"%s: Unable to allocate dma buffer\n", __func__);
- return -ENOMEM;
+ ret = -ENOMEM;
+ goto exit_conn_start;
}
ret = qla4xxx_set_param_ddbentry(ha, ddb_entry, cls_conn, &mbx_sts);
if (mbx_sts)
if (ddb_entry->fw_ddb_device_state ==
DDB_DS_SESSION_ACTIVE) {
- iscsi_conn_start(ddb_entry->conn);
- iscsi_conn_login_event(ddb_entry->conn,
- ISCSI_CONN_STATE_LOGGED_IN);
+ ddb_entry->unblock_sess(ddb_entry->sess);
goto exit_set_param;
}
ret = 0;
exit_conn_start:
- dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
- fw_ddb_entry, fw_ddb_entry_dma);
+ if (fw_ddb_entry)
+ dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
+ fw_ddb_entry, fw_ddb_entry_dma);
return ret;
}
return -ENOSYS;
}
+static void qla4xxx_copy_fwddb_param(struct scsi_qla_host *ha,
+ struct dev_db_entry *fw_ddb_entry,
+ struct iscsi_cls_session *cls_sess,
+ struct iscsi_cls_conn *cls_conn)
+{
+ int buflen = 0;
+ struct iscsi_session *sess;
+ struct iscsi_conn *conn;
+ char ip_addr[DDB_IPADDR_LEN];
+ uint16_t options = 0;
+
+ sess = cls_sess->dd_data;
+ conn = cls_conn->dd_data;
+
+ conn->max_recv_dlength = BYTE_UNITS *
+ le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len);
+
+ conn->max_xmit_dlength = BYTE_UNITS *
+ le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len);
+
+ sess->initial_r2t_en =
+ (BIT_10 & le16_to_cpu(fw_ddb_entry->iscsi_options));
+
+ sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t);
+
+ sess->imm_data_en = (BIT_11 & le16_to_cpu(fw_ddb_entry->iscsi_options));
+
+ sess->first_burst = BYTE_UNITS *
+ le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len);
+
+ sess->max_burst = BYTE_UNITS *
+ le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len);
+
+ sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait);
+
+ sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain);
+
+ conn->persistent_port = le16_to_cpu(fw_ddb_entry->port);
+
+ sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp);
+
+ options = le16_to_cpu(fw_ddb_entry->options);
+ if (options & DDB_OPT_IPV6_DEVICE)
+ sprintf(ip_addr, "%pI6", fw_ddb_entry->ip_addr);
+ else
+ sprintf(ip_addr, "%pI4", fw_ddb_entry->ip_addr);
+
+ iscsi_set_param(cls_conn, ISCSI_PARAM_TARGET_NAME,
+ (char *)fw_ddb_entry->iscsi_name, buflen);
+ iscsi_set_param(cls_conn, ISCSI_PARAM_INITIATOR_NAME,
+ (char *)ha->name_string, buflen);
+ iscsi_set_param(cls_conn, ISCSI_PARAM_PERSISTENT_ADDRESS,
+ (char *)ip_addr, buflen);
+}
+
+void qla4xxx_update_session_conn_fwddb_param(struct scsi_qla_host *ha,
+ struct ddb_entry *ddb_entry)
+{
+ struct iscsi_cls_session *cls_sess;
+ struct iscsi_cls_conn *cls_conn;
+ uint32_t ddb_state;
+ dma_addr_t fw_ddb_entry_dma;
+ struct dev_db_entry *fw_ddb_entry;
+
+ fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
+ &fw_ddb_entry_dma, GFP_KERNEL);
+ if (!fw_ddb_entry) {
+ ql4_printk(KERN_ERR, ha,
+ "%s: Unable to allocate dma buffer\n", __func__);
+ goto exit_session_conn_fwddb_param;
+ }
+
+ if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry,
+ fw_ddb_entry_dma, NULL, NULL, &ddb_state,
+ NULL, NULL, NULL) == QLA_ERROR) {
+ DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
+ "get_ddb_entry for fw_ddb_index %d\n",
+ ha->host_no, __func__,
+ ddb_entry->fw_ddb_index));
+ goto exit_session_conn_fwddb_param;
+ }
+
+ cls_sess = ddb_entry->sess;
+
+ cls_conn = ddb_entry->conn;
+
+ /* Update params */
+ qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn);
+
+exit_session_conn_fwddb_param:
+ if (fw_ddb_entry)
+ dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
+ fw_ddb_entry, fw_ddb_entry_dma);
+}
+
void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha,
struct ddb_entry *ddb_entry)
{
if (!fw_ddb_entry) {
ql4_printk(KERN_ERR, ha,
"%s: Unable to allocate dma buffer\n", __func__);
- return;
+ goto exit_session_conn_param;
}
if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry,
"get_ddb_entry for fw_ddb_index %d\n",
ha->host_no, __func__,
ddb_entry->fw_ddb_index));
- return;
+ goto exit_session_conn_param;
}
cls_sess = ddb_entry->sess;
cls_conn = ddb_entry->conn;
conn = cls_conn->dd_data;
+ /* Update timers after login */
+ ddb_entry->default_relogin_timeout =
+ le16_to_cpu(fw_ddb_entry->def_timeout);
+ ddb_entry->default_time2wait =
+ le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait);
+
/* Update params */
conn->max_recv_dlength = BYTE_UNITS *
le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len);
memcpy(sess->initiatorname, ha->name_string,
min(sizeof(ha->name_string), sizeof(sess->initiatorname)));
+
+exit_session_conn_param:
+ if (fw_ddb_entry)
+ dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
+ fw_ddb_entry, fw_ddb_entry_dma);
}
/*
vfree(ha->chap_list);
ha->chap_list = NULL;
+ if (ha->fw_ddb_dma_pool)
+ dma_pool_destroy(ha->fw_ddb_dma_pool);
+
/* release io space registers */
if (is_qla8022(ha)) {
if (ha->nx_pcibase)
goto mem_alloc_error_exit;
}
+ ha->fw_ddb_dma_pool = dma_pool_create("ql4_fw_ddb", &ha->pdev->dev,
+ DDB_DMA_BLOCK_SIZE, 8, 0);
+
+ if (ha->fw_ddb_dma_pool == NULL) {
+ ql4_printk(KERN_WARNING, ha,
+ "%s: fw_ddb_dma_pool allocation failed..\n",
+ __func__);
+ goto mem_alloc_error_exit;
+ }
+
return QLA_SUCCESS;
mem_alloc_error_exit:
}
}
+void qla4xxx_check_relogin_flash_ddb(struct iscsi_cls_session *cls_sess)
+{
+ struct iscsi_session *sess;
+ struct ddb_entry *ddb_entry;
+ struct scsi_qla_host *ha;
+
+ sess = cls_sess->dd_data;
+ ddb_entry = sess->dd_data;
+ ha = ddb_entry->ha;
+
+ if (!(ddb_entry->ddb_type == FLASH_DDB))
+ return;
+
+ if (adapter_up(ha) && !test_bit(DF_RELOGIN, &ddb_entry->flags) &&
+ !iscsi_is_session_online(cls_sess)) {
+ if (atomic_read(&ddb_entry->retry_relogin_timer) !=
+ INVALID_ENTRY) {
+ if (atomic_read(&ddb_entry->retry_relogin_timer) ==
+ 0) {
+ atomic_set(&ddb_entry->retry_relogin_timer,
+ INVALID_ENTRY);
+ set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags);
+ set_bit(DF_RELOGIN, &ddb_entry->flags);
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "%s: index [%d] login device\n",
+ __func__, ddb_entry->fw_ddb_index));
+ } else
+ atomic_dec(&ddb_entry->retry_relogin_timer);
+ }
+ }
+
+ /* Wait for relogin to timeout */
+ if (atomic_read(&ddb_entry->relogin_timer) &&
+ (atomic_dec_and_test(&ddb_entry->relogin_timer) != 0)) {
+ /*
+ * If the relogin times out and the device is
+ * still NOT ONLINE then try and relogin again.
+ */
+ if (!iscsi_is_session_online(cls_sess)) {
+ /* Reset retry relogin timer */
+ atomic_inc(&ddb_entry->relogin_retry_count);
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "%s: index[%d] relogin timed out-retrying"
+ " relogin (%d), retry (%d)\n", __func__,
+ ddb_entry->fw_ddb_index,
+ atomic_read(&ddb_entry->relogin_retry_count),
+ ddb_entry->default_time2wait + 4));
+ set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags);
+ atomic_set(&ddb_entry->retry_relogin_timer,
+ ddb_entry->default_time2wait + 4);
+ }
+ }
+}
+
/**
* qla4xxx_timer - checks every second for work to do.
* @ha: Pointer to host adapter structure.
int start_dpc = 0;
uint16_t w;
+ iscsi_host_for_each_session(ha->host, qla4xxx_check_relogin_flash_ddb);
+
/* If we are in the middle of AER/EEH processing
* skip any processing and reschedule the timer
*/
sess = cls_session->dd_data;
ddb_entry = sess->dd_data;
ddb_entry->fw_ddb_device_state = DDB_DS_SESSION_FAILED;
- iscsi_session_failure(cls_session->dd_data, ISCSI_ERR_CONN_FAILED);
+
+ if (ddb_entry->ddb_type == FLASH_DDB)
+ iscsi_block_session(ddb_entry->sess);
+ else
+ iscsi_session_failure(cls_session->dd_data,
+ ISCSI_ERR_CONN_FAILED);
}
/**
/* NOTE: AF_ONLINE flag set upon successful completion of
* qla4xxx_initialize_adapter */
- status = qla4xxx_initialize_adapter(ha);
+ status = qla4xxx_initialize_adapter(ha, RESET_ADAPTER);
}
/* Retry failed adapter initialization, if necessary
iscsi_unblock_session(ddb_entry->sess);
} else {
/* Trigger relogin */
- iscsi_session_failure(cls_session->dd_data,
- ISCSI_ERR_CONN_FAILED);
+ if (ddb_entry->ddb_type == FLASH_DDB) {
+ if (!test_bit(DF_RELOGIN, &ddb_entry->flags))
+ qla4xxx_arm_relogin_timer(ddb_entry);
+ } else
+ iscsi_session_failure(cls_session->dd_data,
+ ISCSI_ERR_CONN_FAILED);
}
}
}
+int qla4xxx_unblock_flash_ddb(struct iscsi_cls_session *cls_session)
+{
+ struct iscsi_session *sess;
+ struct ddb_entry *ddb_entry;
+ struct scsi_qla_host *ha;
+
+ sess = cls_session->dd_data;
+ ddb_entry = sess->dd_data;
+ ha = ddb_entry->ha;
+ ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]"
+ " unblock session\n", ha->host_no, __func__,
+ ddb_entry->fw_ddb_index);
+
+ iscsi_unblock_session(ddb_entry->sess);
+
+ /* Start scan target */
+ if (test_bit(AF_ONLINE, &ha->flags)) {
+ ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]"
+ " start scan\n", ha->host_no, __func__,
+ ddb_entry->fw_ddb_index);
+ scsi_queue_work(ha->host, &ddb_entry->sess->scan_work);
+ }
+ return QLA_SUCCESS;
+}
+
+int qla4xxx_unblock_ddb(struct iscsi_cls_session *cls_session)
+{
+ struct iscsi_session *sess;
+ struct ddb_entry *ddb_entry;
+ struct scsi_qla_host *ha;
+
+ sess = cls_session->dd_data;
+ ddb_entry = sess->dd_data;
+ ha = ddb_entry->ha;
+ ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]"
+ " unblock user space session\n", ha->host_no, __func__,
+ ddb_entry->fw_ddb_index);
+ iscsi_conn_start(ddb_entry->conn);
+ iscsi_conn_login_event(ddb_entry->conn,
+ ISCSI_CONN_STATE_LOGGED_IN);
+
+ return QLA_SUCCESS;
+}
+
static void qla4xxx_relogin_all_devices(struct scsi_qla_host *ha)
{
iscsi_host_for_each_session(ha->host, qla4xxx_relogin_devices);
}
+static void qla4xxx_relogin_flash_ddb(struct iscsi_cls_session *cls_sess)
+{
+ uint16_t relogin_timer;
+ struct iscsi_session *sess;
+ struct ddb_entry *ddb_entry;
+ struct scsi_qla_host *ha;
+
+ sess = cls_sess->dd_data;
+ ddb_entry = sess->dd_data;
+ ha = ddb_entry->ha;
+
+ relogin_timer = max(ddb_entry->default_relogin_timeout,
+ (uint16_t)RELOGIN_TOV);
+ atomic_set(&ddb_entry->relogin_timer, relogin_timer);
+
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "scsi%ld: Relogin index [%d]. TOV=%d\n", ha->host_no,
+ ddb_entry->fw_ddb_index, relogin_timer));
+
+ qla4xxx_login_flash_ddb(cls_sess);
+}
+
+static void qla4xxx_dpc_relogin(struct iscsi_cls_session *cls_sess)
+{
+ struct iscsi_session *sess;
+ struct ddb_entry *ddb_entry;
+ struct scsi_qla_host *ha;
+
+ sess = cls_sess->dd_data;
+ ddb_entry = sess->dd_data;
+ ha = ddb_entry->ha;
+
+ if (!(ddb_entry->ddb_type == FLASH_DDB))
+ return;
+
+ if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags) &&
+ !iscsi_is_session_online(cls_sess)) {
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "relogin issued\n"));
+ qla4xxx_relogin_flash_ddb(cls_sess);
+ }
+}
+
void qla4xxx_wake_dpc(struct scsi_qla_host *ha)
{
if (ha->dpc_thread)
if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags))
qla4xxx_get_dhcp_ip_address(ha);
+ /* ---- relogin device? --- */
+ if (adapter_up(ha) &&
+ test_and_clear_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags)) {
+ iscsi_host_for_each_session(ha->host, qla4xxx_dpc_relogin);
+ }
+
/* ---- link change? --- */
if (test_and_clear_bit(DPC_LINK_CHANGED, &ha->dpc_flags)) {
if (!test_bit(AF_LINK_UP, &ha->flags)) {
* fatal error recovery. Therefore, the driver must
* manually relogin to devices when recovering from
* connection failures, logouts, expired KATO, etc. */
-
- qla4xxx_relogin_all_devices(ha);
+ if (test_and_clear_bit(AF_BUILD_DDB_LIST, &ha->flags)) {
+ qla4xxx_build_ddb_list(ha, ha->is_reset);
+ iscsi_host_for_each_session(ha->host,
+ qla4xxx_login_flash_ddb);
+ } else
+ qla4xxx_relogin_all_devices(ha);
}
}
}
" target ID %d\n", __func__, ddb_index[0],
ddb_index[1]));
+ ha->pri_ddb_idx = ddb_index[0];
+ ha->sec_ddb_idx = ddb_index[1];
+
exit_boot_info_free:
dma_free_coherent(&ha->pdev->dev, size, buf, buf_dma);
exit_boot_info:
return ret;
}
+ if (ql4xdisablesysfsboot)
+ return QLA_SUCCESS;
+
if (ddb_index[0] == 0xffff)
goto sec_target;
struct iscsi_boot_kobj *boot_kobj;
if (qla4xxx_get_boot_info(ha) != QLA_SUCCESS)
- return 0;
+ return QLA_ERROR;
+
+ if (ql4xdisablesysfsboot) {
+ ql4_printk(KERN_INFO, ha,
+ "%s: syfsboot disabled - driver will trigger login"
+ "and publish session for discovery .\n", __func__);
+ return QLA_SUCCESS;
+ }
+
ha->boot_kset = iscsi_boot_create_host_kset(ha->host->host_no);
if (!ha->boot_kset)
if (!boot_kobj)
goto put_host;
- return 0;
+ return QLA_SUCCESS;
put_host:
scsi_host_put(ha->host);
exit_chap_list:
dma_free_coherent(&ha->pdev->dev, chap_size,
chap_flash_data, chap_dma);
- return;
}
+static void qla4xxx_get_param_ddb(struct ddb_entry *ddb_entry,
+ struct ql4_tuple_ddb *tddb)
+{
+ struct scsi_qla_host *ha;
+ struct iscsi_cls_session *cls_sess;
+ struct iscsi_cls_conn *cls_conn;
+ struct iscsi_session *sess;
+ struct iscsi_conn *conn;
+
+ DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
+ ha = ddb_entry->ha;
+ cls_sess = ddb_entry->sess;
+ sess = cls_sess->dd_data;
+ cls_conn = ddb_entry->conn;
+ conn = cls_conn->dd_data;
+
+ tddb->tpgt = sess->tpgt;
+ tddb->port = conn->persistent_port;
+ strncpy(tddb->iscsi_name, sess->targetname, ISCSI_NAME_SIZE);
+ strncpy(tddb->ip_addr, conn->persistent_address, DDB_IPADDR_LEN);
+}
+
+static void qla4xxx_convert_param_ddb(struct dev_db_entry *fw_ddb_entry,
+ struct ql4_tuple_ddb *tddb)
+{
+ uint16_t options = 0;
+
+ tddb->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp);
+ memcpy(&tddb->iscsi_name[0], &fw_ddb_entry->iscsi_name[0],
+ min(sizeof(tddb->iscsi_name), sizeof(fw_ddb_entry->iscsi_name)));
+
+ options = le16_to_cpu(fw_ddb_entry->options);
+ if (options & DDB_OPT_IPV6_DEVICE)
+ sprintf(tddb->ip_addr, "%pI6", fw_ddb_entry->ip_addr);
+ else
+ sprintf(tddb->ip_addr, "%pI4", fw_ddb_entry->ip_addr);
+
+ tddb->port = le16_to_cpu(fw_ddb_entry->port);
+}
+
+static int qla4xxx_compare_tuple_ddb(struct scsi_qla_host *ha,
+ struct ql4_tuple_ddb *old_tddb,
+ struct ql4_tuple_ddb *new_tddb)
+{
+ if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name))
+ return QLA_ERROR;
+
+ if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr))
+ return QLA_ERROR;
+
+ if (old_tddb->port != new_tddb->port)
+ return QLA_ERROR;
+
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "Match Found, fw[%d,%d,%s,%s], [%d,%d,%s,%s]",
+ old_tddb->port, old_tddb->tpgt, old_tddb->ip_addr,
+ old_tddb->iscsi_name, new_tddb->port, new_tddb->tpgt,
+ new_tddb->ip_addr, new_tddb->iscsi_name));
+
+ return QLA_SUCCESS;
+}
+
+static int qla4xxx_is_session_exists(struct scsi_qla_host *ha,
+ struct dev_db_entry *fw_ddb_entry)
+{
+ struct ddb_entry *ddb_entry;
+ struct ql4_tuple_ddb *fw_tddb = NULL;
+ struct ql4_tuple_ddb *tmp_tddb = NULL;
+ int idx;
+ int ret = QLA_ERROR;
+
+ fw_tddb = vzalloc(sizeof(*fw_tddb));
+ if (!fw_tddb) {
+ DEBUG2(ql4_printk(KERN_WARNING, ha,
+ "Memory Allocation failed.\n"));
+ ret = QLA_SUCCESS;
+ goto exit_check;
+ }
+
+ tmp_tddb = vzalloc(sizeof(*tmp_tddb));
+ if (!tmp_tddb) {
+ DEBUG2(ql4_printk(KERN_WARNING, ha,
+ "Memory Allocation failed.\n"));
+ ret = QLA_SUCCESS;
+ goto exit_check;
+ }
+
+ qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb);
+
+ for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) {
+ ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
+ if (ddb_entry == NULL)
+ continue;
+
+ qla4xxx_get_param_ddb(ddb_entry, tmp_tddb);
+ if (!qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb)) {
+ ret = QLA_SUCCESS; /* found */
+ goto exit_check;
+ }
+ }
+
+exit_check:
+ if (fw_tddb)
+ vfree(fw_tddb);
+ if (tmp_tddb)
+ vfree(tmp_tddb);
+ return ret;
+}
+
+static int qla4xxx_is_flash_ddb_exists(struct scsi_qla_host *ha,
+ struct list_head *list_nt,
+ struct dev_db_entry *fw_ddb_entry)
+{
+ struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp;
+ struct ql4_tuple_ddb *fw_tddb = NULL;
+ struct ql4_tuple_ddb *tmp_tddb = NULL;
+ int ret = QLA_ERROR;
+
+ fw_tddb = vzalloc(sizeof(*fw_tddb));
+ if (!fw_tddb) {
+ DEBUG2(ql4_printk(KERN_WARNING, ha,
+ "Memory Allocation failed.\n"));
+ ret = QLA_SUCCESS;
+ goto exit_check;
+ }
+
+ tmp_tddb = vzalloc(sizeof(*tmp_tddb));
+ if (!tmp_tddb) {
+ DEBUG2(ql4_printk(KERN_WARNING, ha,
+ "Memory Allocation failed.\n"));
+ ret = QLA_SUCCESS;
+ goto exit_check;
+ }
+
+ qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb);
+
+ list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) {
+ qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb);
+ if (!qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb)) {
+ ret = QLA_SUCCESS; /* found */
+ goto exit_check;
+ }
+ }
+
+exit_check:
+ if (fw_tddb)
+ vfree(fw_tddb);
+ if (tmp_tddb)
+ vfree(tmp_tddb);
+ return ret;
+}
+
+static void qla4xxx_free_nt_list(struct list_head *list_nt)
+{
+ struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp;
+
+ /* Free up the normaltargets list */
+ list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) {
+ list_del_init(&nt_ddb_idx->list);
+ vfree(nt_ddb_idx);
+ }
+
+}
+
+static struct iscsi_endpoint *qla4xxx_get_ep_fwdb(struct scsi_qla_host *ha,
+ struct dev_db_entry *fw_ddb_entry)
+{
+ struct iscsi_endpoint *ep;
+ struct sockaddr_in *addr;
+ struct sockaddr_in6 *addr6;
+ struct sockaddr *dst_addr;
+ char *ip;
+
+ /* TODO: need to destroy on unload iscsi_endpoint*/
+ dst_addr = vmalloc(sizeof(*dst_addr));
+ if (!dst_addr)
+ return NULL;
+
+ if (fw_ddb_entry->options & DDB_OPT_IPV6_DEVICE) {
+ dst_addr->sa_family = AF_INET6;
+ addr6 = (struct sockaddr_in6 *)dst_addr;
+ ip = (char *)&addr6->sin6_addr;
+ memcpy(ip, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN);
+ addr6->sin6_port = htons(le16_to_cpu(fw_ddb_entry->port));
+
+ } else {
+ dst_addr->sa_family = AF_INET;
+ addr = (struct sockaddr_in *)dst_addr;
+ ip = (char *)&addr->sin_addr;
+ memcpy(ip, fw_ddb_entry->ip_addr, IP_ADDR_LEN);
+ addr->sin_port = htons(le16_to_cpu(fw_ddb_entry->port));
+ }
+
+ ep = qla4xxx_ep_connect(ha->host, dst_addr, 0);
+ vfree(dst_addr);
+ return ep;
+}
+
+static int qla4xxx_verify_boot_idx(struct scsi_qla_host *ha, uint16_t idx)
+{
+ if (ql4xdisablesysfsboot)
+ return QLA_SUCCESS;
+ if (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx)
+ return QLA_ERROR;
+ return QLA_SUCCESS;
+}
+
+static void qla4xxx_setup_flash_ddb_entry(struct scsi_qla_host *ha,
+ struct ddb_entry *ddb_entry)
+{
+ ddb_entry->ddb_type = FLASH_DDB;
+ ddb_entry->fw_ddb_index = INVALID_ENTRY;
+ ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE;
+ ddb_entry->ha = ha;
+ ddb_entry->unblock_sess = qla4xxx_unblock_flash_ddb;
+ ddb_entry->ddb_change = qla4xxx_flash_ddb_change;
+
+ atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY);
+ atomic_set(&ddb_entry->relogin_timer, 0);
+ atomic_set(&ddb_entry->relogin_retry_count, 0);
+
+ ddb_entry->default_relogin_timeout =
+ le16_to_cpu(ddb_entry->fw_ddb_entry.def_timeout);
+ ddb_entry->default_time2wait =
+ le16_to_cpu(ddb_entry->fw_ddb_entry.iscsi_def_time2wait);
+}
+
+static void qla4xxx_wait_for_ip_configuration(struct scsi_qla_host *ha)
+{
+ uint32_t idx = 0;
+ uint32_t ip_idx[IP_ADDR_COUNT] = {0, 1, 2, 3}; /* 4 IP interfaces */
+ uint32_t sts[MBOX_REG_COUNT];
+ uint32_t ip_state;
+ unsigned long wtime;
+ int ret;
+
+ wtime = jiffies + (HZ * IP_CONFIG_TOV);
+ do {
+ for (idx = 0; idx < IP_ADDR_COUNT; idx++) {
+ if (ip_idx[idx] == -1)
+ continue;
+
+ ret = qla4xxx_get_ip_state(ha, 0, ip_idx[idx], sts);
+
+ if (ret == QLA_ERROR) {
+ ip_idx[idx] = -1;
+ continue;
+ }
+
+ ip_state = (sts[1] & IP_STATE_MASK) >> IP_STATE_SHIFT;
+
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "Waiting for IP state for idx = %d, state = 0x%x\n",
+ ip_idx[idx], ip_state));
+ if (ip_state == IP_ADDRSTATE_UNCONFIGURED ||
+ ip_state == IP_ADDRSTATE_INVALID ||
+ ip_state == IP_ADDRSTATE_PREFERRED ||
+ ip_state == IP_ADDRSTATE_DEPRICATED ||
+ ip_state == IP_ADDRSTATE_DISABLING)
+ ip_idx[idx] = -1;
+
+ }
+
+ /* Break if all IP states checked */
+ if ((ip_idx[0] == -1) &&
+ (ip_idx[1] == -1) &&
+ (ip_idx[2] == -1) &&
+ (ip_idx[3] == -1))
+ break;
+ schedule_timeout_uninterruptible(HZ);
+ } while (time_after(wtime, jiffies));
+}
+
+void qla4xxx_build_ddb_list(struct scsi_qla_host *ha, int is_reset)
+{
+ int max_ddbs;
+ int ret;
+ uint32_t idx = 0, next_idx = 0;
+ uint32_t state = 0, conn_err = 0;
+ uint16_t conn_id;
+ struct dev_db_entry *fw_ddb_entry;
+ struct ddb_entry *ddb_entry = NULL;
+ dma_addr_t fw_ddb_dma;
+ struct iscsi_cls_session *cls_sess;
+ struct iscsi_session *sess;
+ struct iscsi_cls_conn *cls_conn;
+ struct iscsi_endpoint *ep;
+ uint16_t cmds_max = 32, tmo = 0;
+ uint32_t initial_cmdsn = 0;
+ struct list_head list_st, list_nt; /* List of sendtargets */
+ struct qla_ddb_index *st_ddb_idx, *st_ddb_idx_tmp;
+ int fw_idx_size;
+ unsigned long wtime;
+ struct qla_ddb_index *nt_ddb_idx;
+
+ if (!test_bit(AF_LINK_UP, &ha->flags)) {
+ set_bit(AF_BUILD_DDB_LIST, &ha->flags);
+ ha->is_reset = is_reset;
+ return;
+ }
+ max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
+ MAX_DEV_DB_ENTRIES;
+
+ fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL,
+ &fw_ddb_dma);
+ if (fw_ddb_entry == NULL) {
+ DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n"));
+ goto exit_ddb_list;
+ }
+
+ INIT_LIST_HEAD(&list_st);
+ INIT_LIST_HEAD(&list_nt);
+ fw_idx_size = sizeof(struct qla_ddb_index);
+
+ for (idx = 0; idx < max_ddbs; idx = next_idx) {
+ ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry,
+ fw_ddb_dma, NULL,
+ &next_idx, &state, &conn_err,
+ NULL, &conn_id);
+ if (ret == QLA_ERROR)
+ break;
+
+ if (qla4xxx_verify_boot_idx(ha, idx) != QLA_SUCCESS)
+ goto continue_next_st;
+
+ /* Check if ST, add to the list_st */
+ if (strlen((char *) fw_ddb_entry->iscsi_name) != 0)
+ goto continue_next_st;
+
+ st_ddb_idx = vzalloc(fw_idx_size);
+ if (!st_ddb_idx)
+ break;
+
+ st_ddb_idx->fw_ddb_idx = idx;
+
+ list_add_tail(&st_ddb_idx->list, &list_st);
+continue_next_st:
+ if (next_idx == 0)
+ break;
+ }
+
+ /* Before issuing conn open mbox, ensure all IPs states are configured
+ * Note, conn open fails if IPs are not configured
+ */
+ qla4xxx_wait_for_ip_configuration(ha);
+
+ /* Go thru the STs and fire the sendtargets by issuing conn open mbx */
+ list_for_each_entry_safe(st_ddb_idx, st_ddb_idx_tmp, &list_st, list) {
+ qla4xxx_conn_open(ha, st_ddb_idx->fw_ddb_idx);
+ }
+
+ /* Wait to ensure all sendtargets are done for min 12 sec wait */
+ tmo = ((ha->def_timeout < LOGIN_TOV) ? LOGIN_TOV : ha->def_timeout);
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "Default time to wait for build ddb %d\n", tmo));
+
+ wtime = jiffies + (HZ * tmo);
+ do {
+ list_for_each_entry_safe(st_ddb_idx, st_ddb_idx_tmp, &list_st,
+ list) {
+ ret = qla4xxx_get_fwddb_entry(ha,
+ st_ddb_idx->fw_ddb_idx,
+ NULL, 0, NULL, &next_idx,
+ &state, &conn_err, NULL,
+ NULL);
+ if (ret == QLA_ERROR)
+ continue;
+
+ if (state == DDB_DS_NO_CONNECTION_ACTIVE ||
+ state == DDB_DS_SESSION_FAILED) {
+ list_del_init(&st_ddb_idx->list);
+ vfree(st_ddb_idx);
+ }
+ }
+ schedule_timeout_uninterruptible(HZ / 10);
+ } while (time_after(wtime, jiffies));
+
+ /* Free up the sendtargets list */
+ list_for_each_entry_safe(st_ddb_idx, st_ddb_idx_tmp, &list_st, list) {
+ list_del_init(&st_ddb_idx->list);
+ vfree(st_ddb_idx);
+ }
+
+ for (idx = 0; idx < max_ddbs; idx = next_idx) {
+ ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry,
+ fw_ddb_dma, NULL,
+ &next_idx, &state, &conn_err,
+ NULL, &conn_id);
+ if (ret == QLA_ERROR)
+ break;
+
+ if (qla4xxx_verify_boot_idx(ha, idx) != QLA_SUCCESS)
+ goto continue_next_nt;
+
+ /* Check if NT, then add to list it */
+ if (strlen((char *) fw_ddb_entry->iscsi_name) == 0)
+ goto continue_next_nt;
+
+ if (state == DDB_DS_NO_CONNECTION_ACTIVE ||
+ state == DDB_DS_SESSION_FAILED) {
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "Adding DDB to session = 0x%x\n",
+ idx));
+ if (is_reset == INIT_ADAPTER) {
+ nt_ddb_idx = vmalloc(fw_idx_size);
+ if (!nt_ddb_idx)
+ break;
+
+ nt_ddb_idx->fw_ddb_idx = idx;
+
+ memcpy(&nt_ddb_idx->fw_ddb, fw_ddb_entry,
+ sizeof(struct dev_db_entry));
+
+ if (qla4xxx_is_flash_ddb_exists(ha, &list_nt,
+ fw_ddb_entry) == QLA_SUCCESS) {
+ vfree(nt_ddb_idx);
+ goto continue_next_nt;
+ }
+ list_add_tail(&nt_ddb_idx->list, &list_nt);
+ } else if (is_reset == RESET_ADAPTER) {
+ if (qla4xxx_is_session_exists(ha,
+ fw_ddb_entry) == QLA_SUCCESS)
+ goto continue_next_nt;
+ }
+
+ /* Create session object, with INVALID_ENTRY,
+ * the targer_id would get set when we issue the login
+ */
+ cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport,
+ ha->host, cmds_max,
+ sizeof(struct ddb_entry),
+ sizeof(struct ql4_task_data),
+ initial_cmdsn, INVALID_ENTRY);
+ if (!cls_sess)
+ goto exit_ddb_list;
+
+ /*
+ * iscsi_session_setup increments the driver reference
+ * count which wouldn't let the driver to be unloaded.
+ * so calling module_put function to decrement the
+ * reference count.
+ **/
+ module_put(qla4xxx_iscsi_transport.owner);
+ sess = cls_sess->dd_data;
+ ddb_entry = sess->dd_data;
+ ddb_entry->sess = cls_sess;
+
+ cls_sess->recovery_tmo = ql4xsess_recovery_tmo;
+ memcpy(&ddb_entry->fw_ddb_entry, fw_ddb_entry,
+ sizeof(struct dev_db_entry));
+
+ qla4xxx_setup_flash_ddb_entry(ha, ddb_entry);
+
+ cls_conn = iscsi_conn_setup(cls_sess,
+ sizeof(struct qla_conn),
+ conn_id);
+ if (!cls_conn)
+ goto exit_ddb_list;
+
+ ddb_entry->conn = cls_conn;
+
+ /* Setup ep, for displaying attributes in sysfs */
+ ep = qla4xxx_get_ep_fwdb(ha, fw_ddb_entry);
+ if (ep) {
+ ep->conn = cls_conn;
+ cls_conn->ep = ep;
+ } else {
+ DEBUG2(ql4_printk(KERN_ERR, ha,
+ "Unable to get ep\n"));
+ }
+
+ /* Update sess/conn params */
+ qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess,
+ cls_conn);
+
+ if (is_reset == RESET_ADAPTER) {
+ iscsi_block_session(cls_sess);
+ /* Use the relogin path to discover new devices
+ * by short-circuting the logic of setting
+ * timer to relogin - instead set the flags
+ * to initiate login right away.
+ */
+ set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags);
+ set_bit(DF_RELOGIN, &ddb_entry->flags);
+ }
+ }
+continue_next_nt:
+ if (next_idx == 0)
+ break;
+ }
+exit_ddb_list:
+ qla4xxx_free_nt_list(&list_nt);
+ if (fw_ddb_entry)
+ dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma);
+
+ qla4xxx_free_ddb_index(ha);
+}
+
+
/**
* qla4xxx_probe_adapter - callback function to probe HBA
* @pdev: pointer to pci_dev structure
* firmware
* NOTE: interrupts enabled upon successful completion
*/
- status = qla4xxx_initialize_adapter(ha);
+ status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER);
while ((!test_bit(AF_ONLINE, &ha->flags)) &&
init_retry_count++ < MAX_INIT_RETRIES) {
if (ha->isp_ops->reset_chip(ha) == QLA_ERROR)
continue;
- status = qla4xxx_initialize_adapter(ha);
+ status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER);
}
if (!test_bit(AF_ONLINE, &ha->flags)) {
ha->host_no, ha->firmware_version[0], ha->firmware_version[1],
ha->patch_number, ha->build_number);
- qla4xxx_create_chap_list(ha);
-
if (qla4xxx_setup_boot_info(ha))
ql4_printk(KERN_ERR, ha, "%s:ISCSI boot info setup failed\n",
__func__);
+ /* Perform the build ddb list and login to each */
+ qla4xxx_build_ddb_list(ha, INIT_ADAPTER);
+ iscsi_host_for_each_session(ha->host, qla4xxx_login_flash_ddb);
+
+ qla4xxx_create_chap_list(ha);
+
qla4xxx_create_ifaces(ha);
return 0;
}
}
+static void qla4xxx_destroy_fw_ddb_session(struct scsi_qla_host *ha)
+{
+ struct ddb_entry *ddb_entry;
+ int options;
+ int idx;
+
+ for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) {
+
+ ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
+ if ((ddb_entry != NULL) &&
+ (ddb_entry->ddb_type == FLASH_DDB)) {
+
+ options = LOGOUT_OPTION_CLOSE_SESSION;
+ if (qla4xxx_session_logout_ddb(ha, ddb_entry, options)
+ == QLA_ERROR)
+ ql4_printk(KERN_ERR, ha, "%s: Logout failed\n",
+ __func__);
+
+ qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index);
+ /*
+ * we have decremented the reference count of the driver
+ * when we setup the session to have the driver unload
+ * to be seamless without actually destroying the
+ * session
+ **/
+ try_module_get(qla4xxx_iscsi_transport.owner);
+ iscsi_destroy_endpoint(ddb_entry->conn->ep);
+ qla4xxx_free_ddb(ha, ddb_entry);
+ iscsi_session_teardown(ddb_entry->sess);
+ }
+ }
+}
/**
* qla4xxx_remove_adapter - calback function to remove adapter.
* @pci_dev: PCI device pointer
/* destroy iface from sysfs */
qla4xxx_destroy_ifaces(ha);
- if (ha->boot_kset)
+ if ((!ql4xdisablesysfsboot) && ha->boot_kset)
iscsi_boot_destroy_kset(ha->boot_kset);
+ qla4xxx_destroy_fw_ddb_session(ha);
+
scsi_remove_host(ha->host);
qla4xxx_free_adapter(ha);
qla4_8xxx_idc_unlock(ha);
clear_bit(AF_FW_RECOVERY, &ha->flags);
- rval = qla4xxx_initialize_adapter(ha);
+ rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER);
qla4_8xxx_idc_lock(ha);
if (rval != QLA_SUCCESS) {
if ((qla4_8xxx_rd_32(ha, QLA82XX_CRB_DEV_STATE) ==
QLA82XX_DEV_READY)) {
clear_bit(AF_FW_RECOVERY, &ha->flags);
- rval = qla4xxx_initialize_adapter(ha);
+ rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER);
if (rval == QLA_SUCCESS) {
ret = qla4xxx_request_irqs(ha);
if (ret) {
* See LICENSE.qla4xxx for copyright and licensing details.
*/
-#define QLA4XXX_DRIVER_VERSION "5.02.00-k8"
+#define QLA4XXX_DRIVER_VERSION "5.02.00-k9"
static void __devinit ssb_pcicore_init_clientmode(struct ssb_pcicore *pc)
{
- ssb_pcicore_fix_sprom_core_index(pc);
+ struct ssb_device *pdev = pc->dev;
+ struct ssb_bus *bus = pdev->bus;
+
+ if (bus->bustype == SSB_BUSTYPE_PCI)
+ ssb_pcicore_fix_sprom_core_index(pc);
/* Disable PCI interrupts. */
- ssb_write32(pc->dev, SSB_INTVEC, 0);
+ ssb_write32(pdev, SSB_INTVEC, 0);
/* Additional PCIe always once-executed workarounds */
if (pc->dev->id.coreid == SSB_DEV_PCIE) {
{USB_DEVICE(0x0DF6, 0x0045)},
{USB_DEVICE(0x0DF6, 0x0059)}, /* 11n mode disable */
{USB_DEVICE(0x0DF6, 0x004B)},
+ {USB_DEVICE(0x0DF6, 0x005D)},
{USB_DEVICE(0x0DF6, 0x0063)},
/* Sweex */
{USB_DEVICE(0x177F, 0x0154)},
/* Bridge GPT id (1 - 4), DM Timer id (5 - 8) */
#define DMT_ID(id) ((id) + 4)
+#define DM_TIMER_CLOCKS 4
/* Bridge MCBSP id (6 - 10), OMAP Mcbsp id (0 - 4) */
#define MCBSP_ID(id) ((id) - 6)
*/
void dsp_clk_exit(void)
{
+ int i;
+
dsp_clock_disable_all(dsp_clocks);
+ for (i = 0; i < DM_TIMER_CLOCKS; i++)
+ omap_dm_timer_free(timer[i]);
+
clk_put(iva2_clk);
clk_put(ssi.sst_fck);
clk_put(ssi.ssr_fck);
void dsp_clk_init(void)
{
static struct platform_device dspbridge_device;
+ int i, id;
dspbridge_device.dev.bus = &platform_bus_type;
+ for (i = 0, id = 5; i < DM_TIMER_CLOCKS; i++, id++)
+ timer[i] = omap_dm_timer_request_specific(id);
+
iva2_clk = clk_get(&dspbridge_device.dev, "iva2_ck");
if (IS_ERR(iva2_clk))
dev_err(bridge, "failed to get iva2 clock %p\n", iva2_clk);
clk_enable(iva2_clk);
break;
case GPT_CLK:
- timer[clk_id - 1] =
- omap_dm_timer_request_specific(DMT_ID(clk_id));
+ status = omap_dm_timer_start(timer[clk_id - 1]);
break;
#ifdef CONFIG_OMAP_MCBSP
case MCBSP_CLK:
clk_disable(iva2_clk);
break;
case GPT_CLK:
- omap_dm_timer_free(timer[clk_id - 1]);
+ status = omap_dm_timer_stop(timer[clk_id - 1]);
break;
#ifdef CONFIG_OMAP_MCBSP
case MCBSP_CLK:
#include <linux/types.h>
#include <linux/platform_device.h>
#include <linux/pm.h>
-
-#ifdef MODULE
#include <linux/module.h>
-#endif
-
#include <linux/device.h>
#include <linux/init.h>
#include <linux/moduleparam.h>
},
{ USB_DEVICE(0x22b8, 0x6425), /* Motorola MOTOMAGX phones */
},
+ /* Motorola H24 HSPA module: */
+ { USB_DEVICE(0x22b8, 0x2d91) }, /* modem */
+ { USB_DEVICE(0x22b8, 0x2d92) }, /* modem + diagnostics */
+ { USB_DEVICE(0x22b8, 0x2d93) }, /* modem + AT port */
+ { USB_DEVICE(0x22b8, 0x2d95) }, /* modem + AT port + diagnostics */
+ { USB_DEVICE(0x22b8, 0x2d96) }, /* modem + NMEA */
+ { USB_DEVICE(0x22b8, 0x2d97) }, /* modem + diagnostics + NMEA */
+ { USB_DEVICE(0x22b8, 0x2d99) }, /* modem + AT port + NMEA */
+ { USB_DEVICE(0x22b8, 0x2d9a) }, /* modem + AT port + diagnostics + NMEA */
+
{ USB_DEVICE(0x0572, 0x1329), /* Hummingbird huc56s (Conexant) */
.driver_info = NO_UNION_NORMAL, /* union descriptor misplaced on
data interface instead of
ret = -ENODEV;
goto err0;
}
- dwc->revision = reg & DWC3_GSNPSREV_MASK;
+ dwc->revision = reg;
dwc3_core_soft_reset(dwc);
num_req_streams = ep_comp->bmAttributes & 0x1f;
if (num_req_streams > ep->max_streams)
return 0;
- /* Update the ep_comp descriptor if needed */
- if (num_req_streams != ep->max_streams)
- ep_comp->bmAttributes = ep->max_streams;
}
}
fsg_common_put(common);
usb_free_descriptors(fsg->function.descriptors);
usb_free_descriptors(fsg->function.hs_descriptors);
+ usb_free_descriptors(fsg->function.ss_descriptors);
kfree(fsg);
}
#include "isp1760-hcd.h"
-#ifdef CONFIG_OF
+#if defined(CONFIG_OF) && defined(CONFIG_OF_IRQ)
#include <linux/slab.h>
#include <linux/of.h>
#include <linux/of_platform.h>
#include <linux/pci.h>
#endif
-#ifdef CONFIG_OF
+#if defined(CONFIG_OF) && defined(CONFIG_OF_IRQ)
struct isp1760 {
struct usb_hcd *hcd;
int rst_gpio;
ret = platform_driver_register(&isp1760_plat_driver);
if (!ret)
any_ret = 0;
-#ifdef CONFIG_OF
+#if defined(CONFIG_OF) && defined(CONFIG_OF_IRQ)
ret = platform_driver_register(&isp1760_of_driver);
if (!ret)
any_ret = 0;
static void __exit isp1760_exit(void)
{
platform_driver_unregister(&isp1760_plat_driver);
-#ifdef CONFIG_OF
+#if defined(CONFIG_OF) && defined(CONFIG_OF_IRQ)
platform_driver_unregister(&isp1760_of_driver);
#endif
#ifdef CONFIG_PCI
if (musb->double_buffer_not_ok)
musb_writew(epio, MUSB_TXMAXP,
hw_ep->max_packet_sz_tx);
+ else if (can_bulk_split(musb, qh->type))
+ musb_writew(epio, MUSB_TXMAXP, packet_sz
+ | ((hw_ep->max_packet_sz_tx /
+ packet_sz) - 1) << 11);
else
musb_writew(epio, MUSB_TXMAXP,
qh->maxpacket |
if (mod->irq_attch)
intenb1 |= ATTCHE;
- if (mod->irq_attch)
+ if (mod->irq_dtch)
intenb1 |= DTCHE;
if (mod->irq_sign)
dev_err(dev, "Failed to create hcd\n");
return -ENOMEM;
}
+ hcd->has_tt = 1; /* for low/full speed */
pipe_info = kzalloc(sizeof(*pipe_info) * pipe_size, GFP_KERNEL);
if (!pipe_info) {
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x01) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x02) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x03) },
- { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x08) },
+ { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x10) },
+ { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x12) },
+ { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x13) },
+ { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x02, 0x01) }, /* E398 3G Modem */
+ { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x02, 0x02) }, /* E398 3G PC UI Interface */
+ { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x02, 0x03) }, /* E398 3G Application Interface */
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V640) },
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V620) },
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V740) },
/*
* Get IO TLB memory from any location.
*/
- xen_io_tlb_start = alloc_bootmem(bytes);
+ xen_io_tlb_start = alloc_bootmem_pages(PAGE_ALIGN(bytes));
if (!xen_io_tlb_start) {
m = "Cannot allocate Xen-SWIOTLB buffer!\n";
goto error;
bytes,
xen_io_tlb_nslabs);
if (rc) {
- free_bootmem(__pa(xen_io_tlb_start), bytes);
+ free_bootmem(__pa(xen_io_tlb_start), PAGE_ALIGN(bytes));
m = "Failed to get contiguous memory for DMA from Xen!\n"\
"You either: don't have the permissions, do not have"\
" enough free memory under 4GB, or the hypervisor memory"\
return NULL;
}
-static void xs_reset_watches(void)
-{
- int err;
-
- err = xs_error(xs_single(XBT_NIL, XS_RESET_WATCHES, "", NULL));
- if (err && err != -EEXIST)
- printk(KERN_WARNING "xs_reset_watches failed: %d\n", err);
-}
-
/* Register callback to watch this node. */
int register_xenbus_watch(struct xenbus_watch *watch)
{
if (IS_ERR(task))
return PTR_ERR(task);
- /* shutdown watches for kexec boot */
- if (xen_hvm_domain())
- xs_reset_watches();
-
return 0;
}
This directory is _NOT_ for adding arbitrary new firmware images. The
place to add those is the separate linux-firmware repository:
- git://git.kernel.org/pub/scm/linux/kernel/git/dwmw2/linux-firmware.git
+ git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git
That repository contains all these firmware images which have been
extracted from older drivers, as well various new firmware images which
To submit firmware to that repository, please send either a git binary
diff or preferably a git pull request to:
David Woodhouse <dwmw2@infradead.org>
+ Ben Hutchings <ben@decadent.org.uk>
Your commit should include an update to the WHENCE file clearly
identifying the licence under which the firmware is available, and
int idle;
};
+static int __btrfs_start_workers(struct btrfs_workers *workers);
+
/*
* btrfs_start_workers uses kthread_run, which can block waiting for memory
* for a very long time. It will actually throttle on page writeback,
{
struct worker_start *start;
start = container_of(work, struct worker_start, work);
- btrfs_start_workers(start->queue, 1);
+ __btrfs_start_workers(start->queue);
kfree(start);
}
-static int start_new_worker(struct btrfs_workers *queue)
-{
- struct worker_start *start;
- int ret;
-
- start = kzalloc(sizeof(*start), GFP_NOFS);
- if (!start)
- return -ENOMEM;
-
- start->work.func = start_new_worker_func;
- start->queue = queue;
- ret = btrfs_queue_worker(queue->atomic_worker_start, &start->work);
- if (ret)
- kfree(start);
- return ret;
-}
-
/*
* helper function to move a thread onto the idle list after it
* has finished some requests.
static void check_pending_worker_creates(struct btrfs_worker_thread *worker)
{
struct btrfs_workers *workers = worker->workers;
+ struct worker_start *start;
unsigned long flags;
rmb();
if (!workers->atomic_start_pending)
return;
+ start = kzalloc(sizeof(*start), GFP_NOFS);
+ if (!start)
+ return;
+
+ start->work.func = start_new_worker_func;
+ start->queue = workers;
+
spin_lock_irqsave(&workers->lock, flags);
if (!workers->atomic_start_pending)
goto out;
workers->num_workers_starting += 1;
spin_unlock_irqrestore(&workers->lock, flags);
- start_new_worker(workers);
+ btrfs_queue_worker(workers->atomic_worker_start, &start->work);
return;
out:
+ kfree(start);
spin_unlock_irqrestore(&workers->lock, flags);
}
run_ordered_completions(worker->workers, work);
check_pending_worker_creates(worker);
-
+ cond_resched();
}
spin_lock_irq(&worker->lock);
* starts new worker threads. This does not enforce the max worker
* count in case you need to temporarily go past it.
*/
-static int __btrfs_start_workers(struct btrfs_workers *workers,
- int num_workers)
+static int __btrfs_start_workers(struct btrfs_workers *workers)
{
struct btrfs_worker_thread *worker;
int ret = 0;
- int i;
- for (i = 0; i < num_workers; i++) {
- worker = kzalloc(sizeof(*worker), GFP_NOFS);
- if (!worker) {
- ret = -ENOMEM;
- goto fail;
- }
+ worker = kzalloc(sizeof(*worker), GFP_NOFS);
+ if (!worker) {
+ ret = -ENOMEM;
+ goto fail;
+ }
- INIT_LIST_HEAD(&worker->pending);
- INIT_LIST_HEAD(&worker->prio_pending);
- INIT_LIST_HEAD(&worker->worker_list);
- spin_lock_init(&worker->lock);
-
- atomic_set(&worker->num_pending, 0);
- atomic_set(&worker->refs, 1);
- worker->workers = workers;
- worker->task = kthread_run(worker_loop, worker,
- "btrfs-%s-%d", workers->name,
- workers->num_workers + i);
- if (IS_ERR(worker->task)) {
- ret = PTR_ERR(worker->task);
- kfree(worker);
- goto fail;
- }
- spin_lock_irq(&workers->lock);
- list_add_tail(&worker->worker_list, &workers->idle_list);
- worker->idle = 1;
- workers->num_workers++;
- workers->num_workers_starting--;
- WARN_ON(workers->num_workers_starting < 0);
- spin_unlock_irq(&workers->lock);
+ INIT_LIST_HEAD(&worker->pending);
+ INIT_LIST_HEAD(&worker->prio_pending);
+ INIT_LIST_HEAD(&worker->worker_list);
+ spin_lock_init(&worker->lock);
+
+ atomic_set(&worker->num_pending, 0);
+ atomic_set(&worker->refs, 1);
+ worker->workers = workers;
+ worker->task = kthread_run(worker_loop, worker,
+ "btrfs-%s-%d", workers->name,
+ workers->num_workers + 1);
+ if (IS_ERR(worker->task)) {
+ ret = PTR_ERR(worker->task);
+ kfree(worker);
+ goto fail;
}
+ spin_lock_irq(&workers->lock);
+ list_add_tail(&worker->worker_list, &workers->idle_list);
+ worker->idle = 1;
+ workers->num_workers++;
+ workers->num_workers_starting--;
+ WARN_ON(workers->num_workers_starting < 0);
+ spin_unlock_irq(&workers->lock);
+
return 0;
fail:
- btrfs_stop_workers(workers);
+ spin_lock_irq(&workers->lock);
+ workers->num_workers_starting--;
+ spin_unlock_irq(&workers->lock);
return ret;
}
-int btrfs_start_workers(struct btrfs_workers *workers, int num_workers)
+int btrfs_start_workers(struct btrfs_workers *workers)
{
spin_lock_irq(&workers->lock);
- workers->num_workers_starting += num_workers;
+ workers->num_workers_starting++;
spin_unlock_irq(&workers->lock);
- return __btrfs_start_workers(workers, num_workers);
+ return __btrfs_start_workers(workers);
}
/*
struct btrfs_worker_thread *worker;
unsigned long flags;
struct list_head *fallback;
+ int ret;
-again:
spin_lock_irqsave(&workers->lock, flags);
+again:
worker = next_worker(workers);
if (!worker) {
workers->num_workers_starting++;
spin_unlock_irqrestore(&workers->lock, flags);
/* we're below the limit, start another worker */
- __btrfs_start_workers(workers, 1);
+ ret = __btrfs_start_workers(workers);
+ spin_lock_irqsave(&workers->lock, flags);
+ if (ret)
+ goto fallback;
goto again;
}
}
/*
* places a struct btrfs_work into the pending queue of one of the kthreads
*/
-int btrfs_queue_worker(struct btrfs_workers *workers, struct btrfs_work *work)
+void btrfs_queue_worker(struct btrfs_workers *workers, struct btrfs_work *work)
{
struct btrfs_worker_thread *worker;
unsigned long flags;
/* don't requeue something already on a list */
if (test_and_set_bit(WORK_QUEUED_BIT, &work->flags))
- goto out;
+ return;
worker = find_worker(workers);
if (workers->ordered) {
if (wake)
wake_up_process(worker->task);
spin_unlock_irqrestore(&worker->lock, flags);
-
-out:
- return 0;
}
char *name;
};
-int btrfs_queue_worker(struct btrfs_workers *workers, struct btrfs_work *work);
-int btrfs_start_workers(struct btrfs_workers *workers, int num_workers);
+void btrfs_queue_worker(struct btrfs_workers *workers, struct btrfs_work *work);
+int btrfs_start_workers(struct btrfs_workers *workers);
int btrfs_stop_workers(struct btrfs_workers *workers);
void btrfs_init_workers(struct btrfs_workers *workers, char *name, int max,
struct btrfs_workers *async_starter);
int btrfs_readpage(struct file *file, struct page *page);
void btrfs_evict_inode(struct inode *inode);
int btrfs_write_inode(struct inode *inode, struct writeback_control *wbc);
-void btrfs_dirty_inode(struct inode *inode, int flags);
+int btrfs_dirty_inode(struct inode *inode);
+int btrfs_update_time(struct file *file);
struct inode *btrfs_alloc_inode(struct super_block *sb);
void btrfs_destroy_inode(struct inode *inode);
int btrfs_drop_inode(struct inode *inode);
* Now if src_rsv == delalloc_block_rsv we'll let it just steal since
* we're accounted for.
*/
- if (!trans->bytes_reserved &&
- src_rsv != &root->fs_info->delalloc_block_rsv) {
+ if (!src_rsv || (!trans->bytes_reserved &&
+ src_rsv != &root->fs_info->delalloc_block_rsv)) {
ret = btrfs_block_rsv_add_noflush(root, dst_rsv, num_bytes);
/*
* Since we're under a transaction reserve_metadata_bytes could
fs_info->endio_meta_write_workers.idle_thresh = 2;
fs_info->readahead_workers.idle_thresh = 2;
- btrfs_start_workers(&fs_info->workers, 1);
- btrfs_start_workers(&fs_info->generic_worker, 1);
- btrfs_start_workers(&fs_info->submit_workers, 1);
- btrfs_start_workers(&fs_info->delalloc_workers, 1);
- btrfs_start_workers(&fs_info->fixup_workers, 1);
- btrfs_start_workers(&fs_info->endio_workers, 1);
- btrfs_start_workers(&fs_info->endio_meta_workers, 1);
- btrfs_start_workers(&fs_info->endio_meta_write_workers, 1);
- btrfs_start_workers(&fs_info->endio_write_workers, 1);
- btrfs_start_workers(&fs_info->endio_freespace_worker, 1);
- btrfs_start_workers(&fs_info->delayed_workers, 1);
- btrfs_start_workers(&fs_info->caching_workers, 1);
- btrfs_start_workers(&fs_info->readahead_workers, 1);
+ /*
+ * btrfs_start_workers can really only fail because of ENOMEM so just
+ * return -ENOMEM if any of these fail.
+ */
+ ret = btrfs_start_workers(&fs_info->workers);
+ ret |= btrfs_start_workers(&fs_info->generic_worker);
+ ret |= btrfs_start_workers(&fs_info->submit_workers);
+ ret |= btrfs_start_workers(&fs_info->delalloc_workers);
+ ret |= btrfs_start_workers(&fs_info->fixup_workers);
+ ret |= btrfs_start_workers(&fs_info->endio_workers);
+ ret |= btrfs_start_workers(&fs_info->endio_meta_workers);
+ ret |= btrfs_start_workers(&fs_info->endio_meta_write_workers);
+ ret |= btrfs_start_workers(&fs_info->endio_write_workers);
+ ret |= btrfs_start_workers(&fs_info->endio_freespace_worker);
+ ret |= btrfs_start_workers(&fs_info->delayed_workers);
+ ret |= btrfs_start_workers(&fs_info->caching_workers);
+ ret |= btrfs_start_workers(&fs_info->readahead_workers);
+ if (ret) {
+ ret = -ENOMEM;
+ goto fail_sb_buffer;
+ }
fs_info->bdi.ra_pages *= btrfs_super_num_devices(disk_super);
fs_info->bdi.ra_pages = max(fs_info->bdi.ra_pages,
btrfs_release_path(path);
out:
spin_lock(&block_group->lock);
- if (!ret)
+ if (!ret && dcs == BTRFS_DC_SETUP)
block_group->cache_generation = trans->transid;
block_group->disk_cache_state = dcs;
spin_unlock(&block_group->lock);
struct btrfs_root *root = BTRFS_I(inode)->root;
struct btrfs_block_rsv *block_rsv = &root->fs_info->delalloc_block_rsv;
u64 to_reserve = 0;
+ u64 csum_bytes;
unsigned nr_extents = 0;
+ int extra_reserve = 0;
int flush = 1;
int ret;
+ /* Need to be holding the i_mutex here if we aren't free space cache */
if (btrfs_is_free_space_inode(root, inode))
flush = 0;
+ else
+ WARN_ON(!mutex_is_locked(&inode->i_mutex));
if (flush && btrfs_transaction_in_commit(root->fs_info))
schedule_timeout(1);
BTRFS_I(inode)->outstanding_extents++;
if (BTRFS_I(inode)->outstanding_extents >
- BTRFS_I(inode)->reserved_extents) {
+ BTRFS_I(inode)->reserved_extents)
nr_extents = BTRFS_I(inode)->outstanding_extents -
BTRFS_I(inode)->reserved_extents;
- BTRFS_I(inode)->reserved_extents += nr_extents;
- }
/*
* Add an item to reserve for updating the inode when we complete the
*/
if (!BTRFS_I(inode)->delalloc_meta_reserved) {
nr_extents++;
- BTRFS_I(inode)->delalloc_meta_reserved = 1;
+ extra_reserve = 1;
}
to_reserve = btrfs_calc_trans_metadata_size(root, nr_extents);
to_reserve += calc_csum_metadata_size(inode, num_bytes, 1);
+ csum_bytes = BTRFS_I(inode)->csum_bytes;
spin_unlock(&BTRFS_I(inode)->lock);
ret = reserve_metadata_bytes(root, block_rsv, to_reserve, flush);
spin_lock(&BTRFS_I(inode)->lock);
dropped = drop_outstanding_extent(inode);
- to_free = calc_csum_metadata_size(inode, num_bytes, 0);
- spin_unlock(&BTRFS_I(inode)->lock);
- to_free += btrfs_calc_trans_metadata_size(root, dropped);
-
/*
- * Somebody could have come in and twiddled with the
- * reservation, so if we have to free more than we would have
- * reserved from this reservation go ahead and release those
- * bytes.
+ * If the inodes csum_bytes is the same as the original
+ * csum_bytes then we know we haven't raced with any free()ers
+ * so we can just reduce our inodes csum bytes and carry on.
+ * Otherwise we have to do the normal free thing to account for
+ * the case that the free side didn't free up its reserve
+ * because of this outstanding reservation.
*/
- to_free -= to_reserve;
+ if (BTRFS_I(inode)->csum_bytes == csum_bytes)
+ calc_csum_metadata_size(inode, num_bytes, 0);
+ else
+ to_free = calc_csum_metadata_size(inode, num_bytes, 0);
+ spin_unlock(&BTRFS_I(inode)->lock);
+ if (dropped)
+ to_free += btrfs_calc_trans_metadata_size(root, dropped);
+
if (to_free)
btrfs_block_rsv_release(root, block_rsv, to_free);
return ret;
}
+ spin_lock(&BTRFS_I(inode)->lock);
+ if (extra_reserve) {
+ BTRFS_I(inode)->delalloc_meta_reserved = 1;
+ nr_extents--;
+ }
+ BTRFS_I(inode)->reserved_extents += nr_extents;
+ spin_unlock(&BTRFS_I(inode)->lock);
+
block_rsv_add_bytes(block_rsv, to_reserve, 1);
return 0;
nrptrs = min((iov_iter_count(i) + PAGE_CACHE_SIZE - 1) /
PAGE_CACHE_SIZE, PAGE_CACHE_SIZE /
(sizeof(struct page *)));
+ nrptrs = min(nrptrs, current->nr_dirtied_pause - current->nr_dirtied);
+ nrptrs = max(nrptrs, 8);
pages = kmalloc(nrptrs * sizeof(struct page *), GFP_KERNEL);
if (!pages)
return -ENOMEM;
goto out;
}
- file_update_time(file);
+ err = btrfs_update_time(file);
+ if (err) {
+ mutex_unlock(&inode->i_mutex);
+ goto out;
+ }
BTRFS_I(inode)->sequence++;
start_pos = round_down(pos, root->sectorsize);
#include <linux/falloc.h>
#include <linux/slab.h>
#include <linux/ratelimit.h>
+#include <linux/mount.h>
#include "compat.h"
#include "ctree.h"
#include "disk-io.h"
/* insert an orphan item to track this unlinked/truncated file */
if (insert >= 1) {
ret = btrfs_insert_orphan_item(trans, root, btrfs_ino(inode));
- BUG_ON(ret);
+ BUG_ON(ret && ret != -EEXIST);
}
/* insert an orphan item to track subvolume contains orphan files */
if (ret && ret != -ESTALE)
goto out;
+ if (ret == -ESTALE && root == root->fs_info->tree_root) {
+ struct btrfs_root *dead_root;
+ struct btrfs_fs_info *fs_info = root->fs_info;
+ int is_dead_root = 0;
+
+ /*
+ * this is an orphan in the tree root. Currently these
+ * could come from 2 sources:
+ * a) a snapshot deletion in progress
+ * b) a free space cache inode
+ * We need to distinguish those two, as the snapshot
+ * orphan must not get deleted.
+ * find_dead_roots already ran before us, so if this
+ * is a snapshot deletion, we should find the root
+ * in the dead_roots list
+ */
+ spin_lock(&fs_info->trans_lock);
+ list_for_each_entry(dead_root, &fs_info->dead_roots,
+ root_list) {
+ if (dead_root->root_key.objectid ==
+ found_key.objectid) {
+ is_dead_root = 1;
+ break;
+ }
+ }
+ spin_unlock(&fs_info->trans_lock);
+ if (is_dead_root) {
+ /* prevent this orphan from being found again */
+ key.offset = found_key.objectid - 1;
+ continue;
+ }
+ }
/*
* Inode is already gone but the orphan item is still there,
* kill the orphan item.
continue;
}
nr_truncate++;
+ /*
+ * Need to hold the imutex for reservation purposes, not
+ * a huge deal here but I have a WARN_ON in
+ * btrfs_delalloc_reserve_space to catch offenders.
+ */
+ mutex_lock(&inode->i_mutex);
ret = btrfs_truncate(inode);
+ mutex_unlock(&inode->i_mutex);
} else {
nr_unlink++;
}
u64 hint_byte = 0;
hole_size = last_byte - cur_offset;
- trans = btrfs_start_transaction(root, 2);
+ trans = btrfs_start_transaction(root, 3);
if (IS_ERR(trans)) {
err = PTR_ERR(trans);
break;
cur_offset + hole_size,
&hint_byte, 1);
if (err) {
+ btrfs_update_inode(trans, root, inode);
btrfs_end_transaction(trans, root);
break;
}
0, hole_size, 0, hole_size,
0, 0, 0);
if (err) {
+ btrfs_update_inode(trans, root, inode);
btrfs_end_transaction(trans, root);
break;
}
btrfs_drop_extent_cache(inode, hole_start,
last_byte - 1, 0);
+ btrfs_update_inode(trans, root, inode);
btrfs_end_transaction(trans, root);
}
free_extent_map(em);
static int btrfs_setsize(struct inode *inode, loff_t newsize)
{
+ struct btrfs_root *root = BTRFS_I(inode)->root;
+ struct btrfs_trans_handle *trans;
loff_t oldsize = i_size_read(inode);
int ret;
return 0;
if (newsize > oldsize) {
- i_size_write(inode, newsize);
- btrfs_ordered_update_i_size(inode, i_size_read(inode), NULL);
truncate_pagecache(inode, oldsize, newsize);
ret = btrfs_cont_expand(inode, oldsize, newsize);
- if (ret) {
- btrfs_setsize(inode, oldsize);
+ if (ret)
return ret;
- }
- mark_inode_dirty(inode);
+ trans = btrfs_start_transaction(root, 1);
+ if (IS_ERR(trans))
+ return PTR_ERR(trans);
+
+ i_size_write(inode, newsize);
+ btrfs_ordered_update_i_size(inode, i_size_read(inode), NULL);
+ ret = btrfs_update_inode(trans, root, inode);
+ btrfs_end_transaction_throttle(trans, root);
} else {
/*
if (attr->ia_valid) {
setattr_copy(inode, attr);
- mark_inode_dirty(inode);
+ err = btrfs_dirty_inode(inode);
- if (attr->ia_valid & ATTR_MODE)
+ if (!err && attr->ia_valid & ATTR_MODE)
err = btrfs_acl_chmod(inode);
}
* FIXME, needs more benchmarking...there are no reasons other than performance
* to keep or drop this code.
*/
-void btrfs_dirty_inode(struct inode *inode, int flags)
+int btrfs_dirty_inode(struct inode *inode)
{
struct btrfs_root *root = BTRFS_I(inode)->root;
struct btrfs_trans_handle *trans;
int ret;
if (BTRFS_I(inode)->dummy_inode)
- return;
+ return 0;
trans = btrfs_join_transaction(root);
- BUG_ON(IS_ERR(trans));
+ if (IS_ERR(trans))
+ return PTR_ERR(trans);
ret = btrfs_update_inode(trans, root, inode);
if (ret && ret == -ENOSPC) {
/* whoops, lets try again with the full transaction */
btrfs_end_transaction(trans, root);
trans = btrfs_start_transaction(root, 1);
- if (IS_ERR(trans)) {
- printk_ratelimited(KERN_ERR "btrfs: fail to "
- "dirty inode %llu error %ld\n",
- (unsigned long long)btrfs_ino(inode),
- PTR_ERR(trans));
- return;
- }
+ if (IS_ERR(trans))
+ return PTR_ERR(trans);
ret = btrfs_update_inode(trans, root, inode);
- if (ret) {
- printk_ratelimited(KERN_ERR "btrfs: fail to "
- "dirty inode %llu error %d\n",
- (unsigned long long)btrfs_ino(inode),
- ret);
- }
}
btrfs_end_transaction(trans, root);
if (BTRFS_I(inode)->delayed_node)
btrfs_balance_delayed_items(root);
+
+ return ret;
+}
+
+/*
+ * This is a copy of file_update_time. We need this so we can return error on
+ * ENOSPC for updating the inode in the case of file write and mmap writes.
+ */
+int btrfs_update_time(struct file *file)
+{
+ struct inode *inode = file->f_path.dentry->d_inode;
+ struct timespec now;
+ int ret;
+ enum { S_MTIME = 1, S_CTIME = 2, S_VERSION = 4 } sync_it = 0;
+
+ /* First try to exhaust all avenues to not sync */
+ if (IS_NOCMTIME(inode))
+ return 0;
+
+ now = current_fs_time(inode->i_sb);
+ if (!timespec_equal(&inode->i_mtime, &now))
+ sync_it = S_MTIME;
+
+ if (!timespec_equal(&inode->i_ctime, &now))
+ sync_it |= S_CTIME;
+
+ if (IS_I_VERSION(inode))
+ sync_it |= S_VERSION;
+
+ if (!sync_it)
+ return 0;
+
+ /* Finally allowed to write? Takes lock. */
+ if (mnt_want_write_file(file))
+ return 0;
+
+ /* Only change inode inside the lock region */
+ if (sync_it & S_VERSION)
+ inode_inc_iversion(inode);
+ if (sync_it & S_CTIME)
+ inode->i_ctime = now;
+ if (sync_it & S_MTIME)
+ inode->i_mtime = now;
+ ret = btrfs_dirty_inode(inode);
+ if (!ret)
+ mark_inode_dirty_sync(inode);
+ mnt_drop_write(file->f_path.mnt);
+ return ret;
}
/*
int err = btrfs_add_link(trans, dir, inode,
dentry->d_name.name, dentry->d_name.len,
backref, index);
- if (!err) {
- d_instantiate(dentry, inode);
- return 0;
- }
if (err > 0)
err = -EEXIST;
return err;
goto out_unlock;
}
+ /*
+ * If the active LSM wants to access the inode during
+ * d_instantiate it needs these. Smack checks to see
+ * if the filesystem supports xattrs by looking at the
+ * ops vector.
+ */
+
+ inode->i_op = &btrfs_special_inode_operations;
err = btrfs_add_nondir(trans, dir, dentry, inode, 0, index);
if (err)
drop_inode = 1;
else {
- inode->i_op = &btrfs_special_inode_operations;
init_special_inode(inode, inode->i_mode, rdev);
btrfs_update_inode(trans, root, inode);
+ d_instantiate(dentry, inode);
}
out_unlock:
nr = trans->blocks_used;
goto out_unlock;
}
+ /*
+ * If the active LSM wants to access the inode during
+ * d_instantiate it needs these. Smack checks to see
+ * if the filesystem supports xattrs by looking at the
+ * ops vector.
+ */
+ inode->i_fop = &btrfs_file_operations;
+ inode->i_op = &btrfs_file_inode_operations;
+
err = btrfs_add_nondir(trans, dir, dentry, inode, 0, index);
if (err)
drop_inode = 1;
else {
inode->i_mapping->a_ops = &btrfs_aops;
inode->i_mapping->backing_dev_info = &root->fs_info->bdi;
- inode->i_fop = &btrfs_file_operations;
- inode->i_op = &btrfs_file_inode_operations;
BTRFS_I(inode)->io_tree.ops = &btrfs_extent_io_ops;
+ d_instantiate(dentry, inode);
}
out_unlock:
nr = trans->blocks_used;
struct dentry *parent = dentry->d_parent;
err = btrfs_update_inode(trans, root, inode);
BUG_ON(err);
+ d_instantiate(dentry, inode);
btrfs_log_new_name(trans, inode, NULL, parent);
}
u64 page_start;
u64 page_end;
+ /* Need this to keep space reservations serialized */
+ mutex_lock(&inode->i_mutex);
ret = btrfs_delalloc_reserve_space(inode, PAGE_CACHE_SIZE);
+ mutex_unlock(&inode->i_mutex);
+ if (!ret)
+ ret = btrfs_update_time(vma->vm_file);
if (ret) {
if (ret == -ENOMEM)
ret = VM_FAULT_OOM;
/* Just need the 1 for updating the inode */
trans = btrfs_start_transaction(root, 1);
if (IS_ERR(trans)) {
- err = PTR_ERR(trans);
- goto out;
+ ret = err = PTR_ERR(trans);
+ trans = NULL;
+ break;
}
}
goto out_unlock;
}
+ /*
+ * If the active LSM wants to access the inode during
+ * d_instantiate it needs these. Smack checks to see
+ * if the filesystem supports xattrs by looking at the
+ * ops vector.
+ */
+ inode->i_fop = &btrfs_file_operations;
+ inode->i_op = &btrfs_file_inode_operations;
+
err = btrfs_add_nondir(trans, dir, dentry, inode, 0, index);
if (err)
drop_inode = 1;
else {
inode->i_mapping->a_ops = &btrfs_aops;
inode->i_mapping->backing_dev_info = &root->fs_info->bdi;
- inode->i_fop = &btrfs_file_operations;
- inode->i_op = &btrfs_file_inode_operations;
BTRFS_I(inode)->io_tree.ops = &btrfs_extent_io_ops;
}
if (drop_inode)
drop_inode = 1;
out_unlock:
+ if (!err)
+ d_instantiate(dentry, inode);
nr = trans->blocks_used;
btrfs_end_transaction_throttle(trans, root);
if (drop_inode) {
.follow_link = page_follow_link_light,
.put_link = page_put_link,
.getattr = btrfs_getattr,
+ .setattr = btrfs_setattr,
.permission = btrfs_permission,
.setxattr = btrfs_setxattr,
.getxattr = btrfs_getxattr,
trans = btrfs_join_transaction(root);
BUG_ON(IS_ERR(trans));
+ btrfs_update_iflags(inode);
+ inode->i_ctime = CURRENT_TIME;
ret = btrfs_update_inode(trans, root, inode);
BUG_ON(ret);
- btrfs_update_iflags(inode);
- inode->i_ctime = CURRENT_TIME;
btrfs_end_transaction(trans, root);
mnt_drop_write(file->f_path.mnt);
return 0;
file_end = (isize - 1) >> PAGE_CACHE_SHIFT;
+ mutex_lock(&inode->i_mutex);
ret = btrfs_delalloc_reserve_space(inode,
num_pages << PAGE_CACHE_SHIFT);
+ mutex_unlock(&inode->i_mutex);
if (ret)
return ret;
again:
index = (cluster->start - offset) >> PAGE_CACHE_SHIFT;
last_index = (cluster->end - offset) >> PAGE_CACHE_SHIFT;
while (index <= last_index) {
+ mutex_lock(&inode->i_mutex);
ret = btrfs_delalloc_reserve_metadata(inode, PAGE_CACHE_SIZE);
+ mutex_unlock(&inode->i_mutex);
if (ret)
goto out;
static noinline_for_stack int scrub_workers_get(struct btrfs_root *root)
{
struct btrfs_fs_info *fs_info = root->fs_info;
+ int ret = 0;
mutex_lock(&fs_info->scrub_lock);
if (fs_info->scrub_workers_refcnt == 0) {
btrfs_init_workers(&fs_info->scrub_workers, "scrub",
fs_info->thread_pool_size, &fs_info->generic_worker);
fs_info->scrub_workers.idle_thresh = 4;
- btrfs_start_workers(&fs_info->scrub_workers, 1);
+ ret = btrfs_start_workers(&fs_info->scrub_workers);
+ if (ret)
+ goto out;
}
++fs_info->scrub_workers_refcnt;
+out:
mutex_unlock(&fs_info->scrub_lock);
- return 0;
+ return ret;
}
static noinline_for_stack void scrub_workers_put(struct btrfs_root *root)
#include <linux/slab.h>
#include <linux/cleancache.h>
#include <linux/mnt_namespace.h>
+#include <linux/ratelimit.h>
#include "compat.h"
#include "delayed-inode.h"
#include "ctree.h"
u64 avail_space;
u64 used_space;
u64 min_stripe_size;
- int min_stripes = 1;
+ int min_stripes = 1, num_stripes = 1;
int i = 0, nr_devices;
int ret;
/* calc min stripe number for data space alloction */
type = btrfs_get_alloc_profile(root, 1);
- if (type & BTRFS_BLOCK_GROUP_RAID0)
+ if (type & BTRFS_BLOCK_GROUP_RAID0) {
min_stripes = 2;
- else if (type & BTRFS_BLOCK_GROUP_RAID1)
+ num_stripes = nr_devices;
+ } else if (type & BTRFS_BLOCK_GROUP_RAID1) {
min_stripes = 2;
- else if (type & BTRFS_BLOCK_GROUP_RAID10)
+ num_stripes = 2;
+ } else if (type & BTRFS_BLOCK_GROUP_RAID10) {
min_stripes = 4;
+ num_stripes = 4;
+ }
if (type & BTRFS_BLOCK_GROUP_DUP)
min_stripe_size = 2 * BTRFS_STRIPE_LEN;
i = nr_devices - 1;
avail_space = 0;
while (nr_devices >= min_stripes) {
+ if (num_stripes > nr_devices)
+ num_stripes = nr_devices;
+
if (devices_info[i].max_avail >= min_stripe_size) {
int j;
u64 alloc_size;
- avail_space += devices_info[i].max_avail * min_stripes;
+ avail_space += devices_info[i].max_avail * num_stripes;
alloc_size = devices_info[i].max_avail;
- for (j = i + 1 - min_stripes; j <= i; j++)
+ for (j = i + 1 - num_stripes; j <= i; j++)
devices_info[j].max_avail -= alloc_size;
}
i--;
return 0;
}
+static void btrfs_fs_dirty_inode(struct inode *inode, int flags)
+{
+ int ret;
+
+ ret = btrfs_dirty_inode(inode);
+ if (ret)
+ printk_ratelimited(KERN_ERR "btrfs: fail to dirty inode %Lu "
+ "error %d\n", btrfs_ino(inode), ret);
+}
+
static const struct super_operations btrfs_super_ops = {
.drop_inode = btrfs_drop_inode,
.evict_inode = btrfs_evict_inode,
.sync_fs = btrfs_sync_fs,
.show_options = btrfs_show_options,
.write_inode = btrfs_write_inode,
- .dirty_inode = btrfs_dirty_inode,
+ .dirty_inode = btrfs_fs_dirty_inode,
.alloc_inode = btrfs_alloc_inode,
.destroy_inode = btrfs_destroy_inode,
.statfs = btrfs_statfs,
btrfs_requeue_work(&device->work);
goto done;
}
+ /* unplug every 64 requests just for good measure */
+ if (batch_run % 64 == 0) {
+ blk_finish_plug(&plug);
+ blk_start_plug(&plug);
+ sync_pending = 0;
+ }
}
cond_resched();
*/
if (atomic_read(&bbio->error) > bbio->max_errors) {
err = -EIO;
- } else if (err) {
+ } else {
/*
* this bio is actually up to date, we didn't
* go over the max number of errors
snapc = ceph_get_snap_context(ci->i_snap_realm->cached_context);
/* dirty the head */
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
if (ci->i_head_snapc == NULL)
ci->i_head_snapc = ceph_get_snap_context(snapc);
++ci->i_wrbuffer_ref_head;
ci->i_wrbuffer_ref-1, ci->i_wrbuffer_ref_head-1,
ci->i_wrbuffer_ref, ci->i_wrbuffer_ref_head,
snapc, snapc->seq, snapc->num_snaps);
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
/* now adjust page */
spin_lock_irq(&mapping->tree_lock);
struct ceph_snap_context *snapc = NULL;
struct ceph_cap_snap *capsnap = NULL;
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
list_for_each_entry(capsnap, &ci->i_cap_snaps, ci_item) {
dout(" cap_snap %p snapc %p has %d dirty pages\n", capsnap,
capsnap->context, capsnap->dirty_pages);
dout(" head snapc %p has %d dirty pages\n",
snapc, ci->i_wrbuffer_ref_head);
}
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
return snapc;
}
/*
* Find ceph_cap for given mds, if any.
*
- * Called with i_lock held.
+ * Called with i_ceph_lock held.
*/
static struct ceph_cap *__get_cap_for_mds(struct ceph_inode_info *ci, int mds)
{
{
struct ceph_cap *cap;
- spin_lock(&ci->vfs_inode.i_lock);
+ spin_lock(&ci->i_ceph_lock);
cap = __get_cap_for_mds(ci, mds);
- spin_unlock(&ci->vfs_inode.i_lock);
+ spin_unlock(&ci->i_ceph_lock);
return cap;
}
int ceph_get_cap_mds(struct inode *inode)
{
+ struct ceph_inode_info *ci = ceph_inode(inode);
int mds;
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
mds = __ceph_get_cap_mds(ceph_inode(inode));
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
return mds;
}
/*
- * Called under i_lock.
+ * Called under i_ceph_lock.
*/
static void __insert_cap_node(struct ceph_inode_info *ci,
struct ceph_cap *new)
*
* If I_FLUSH is set, leave the inode at the front of the list.
*
- * Caller holds i_lock
+ * Caller holds i_ceph_lock
* -> we take mdsc->cap_delay_lock
*/
static void __cap_delay_requeue(struct ceph_mds_client *mdsc,
/*
* Cancel delayed work on cap.
*
- * Caller must hold i_lock.
+ * Caller must hold i_ceph_lock.
*/
static void __cap_delay_cancel(struct ceph_mds_client *mdsc,
struct ceph_inode_info *ci)
wanted |= ceph_caps_for_mode(fmode);
retry:
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
cap = __get_cap_for_mds(ci, mds);
if (!cap) {
if (new_cap) {
cap = new_cap;
new_cap = NULL;
} else {
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
new_cap = get_cap(mdsc, caps_reservation);
if (new_cap == NULL)
return -ENOMEM;
if (fmode >= 0)
__ceph_get_fmode(ci, fmode);
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
wake_up_all(&ci->i_cap_wq);
return 0;
}
struct rb_node *p;
int ret = 0;
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
for (p = rb_first(&ci->i_caps); p; p = rb_next(p)) {
cap = rb_entry(p, struct ceph_cap, ci_node);
if (__cap_is_valid(cap) &&
break;
}
}
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
dout("ceph_caps_revoking %p %s = %d\n", inode,
ceph_cap_string(mask), ret);
return ret;
}
/*
- * called under i_lock
+ * called under i_ceph_lock
*/
static int __ceph_is_any_caps(struct ceph_inode_info *ci)
{
/*
* Remove a cap. Take steps to deal with a racing iterate_session_caps.
*
- * caller should hold i_lock.
+ * caller should hold i_ceph_lock.
* caller will not hold session s_mutex if called from destroy_inode.
*/
void __ceph_remove_cap(struct ceph_cap *cap)
/*
* Queue cap releases when an inode is dropped from our cache. Since
- * inode is about to be destroyed, there is no need for i_lock.
+ * inode is about to be destroyed, there is no need for i_ceph_lock.
*/
void ceph_queue_caps_release(struct inode *inode)
{
/*
* Send a cap msg on the given inode. Update our caps state, then
- * drop i_lock and send the message.
+ * drop i_ceph_lock and send the message.
*
* Make note of max_size reported/requested from mds, revoked caps
* that have now been implemented.
* Return non-zero if delayed release, or we experienced an error
* such that the caller should requeue + retry later.
*
- * called with i_lock, then drops it.
+ * called with i_ceph_lock, then drops it.
* caller should hold snap_rwsem (read), s_mutex.
*/
static int __send_cap(struct ceph_mds_client *mdsc, struct ceph_cap *cap,
int op, int used, int want, int retain, int flushing,
unsigned *pflush_tid)
- __releases(cap->ci->vfs_inode->i_lock)
+ __releases(cap->ci->i_ceph_lock)
{
struct ceph_inode_info *ci = cap->ci;
struct inode *inode = &ci->vfs_inode;
xattr_version = ci->i_xattrs.version;
}
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
ret = send_cap_msg(session, ceph_vino(inode).ino, cap_id,
op, keep, want, flushing, seq, flush_tid, issue_seq, mseq,
* Unless @again is true, skip cap_snaps that were already sent to
* the MDS (i.e., during this session).
*
- * Called under i_lock. Takes s_mutex as needed.
+ * Called under i_ceph_lock. Takes s_mutex as needed.
*/
void __ceph_flush_snaps(struct ceph_inode_info *ci,
struct ceph_mds_session **psession,
int again)
- __releases(ci->vfs_inode->i_lock)
- __acquires(ci->vfs_inode->i_lock)
+ __releases(ci->i_ceph_lock)
+ __acquires(ci->i_ceph_lock)
{
struct inode *inode = &ci->vfs_inode;
int mds;
session = NULL;
}
if (!session) {
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
mutex_lock(&mdsc->mutex);
session = __ceph_lookup_mds_session(mdsc, mds);
mutex_unlock(&mdsc->mutex);
* deletion or migration. retry, and we'll
* get a better @mds value next time.
*/
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
goto retry;
}
list_del_init(&capsnap->flushing_item);
list_add_tail(&capsnap->flushing_item,
&session->s_cap_snaps_flushing);
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
dout("flush_snaps %p cap_snap %p follows %lld tid %llu\n",
inode, capsnap, capsnap->follows, capsnap->flush_tid);
next_follows = capsnap->follows + 1;
ceph_put_cap_snap(capsnap);
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
goto retry;
}
static void ceph_flush_snaps(struct ceph_inode_info *ci)
{
- struct inode *inode = &ci->vfs_inode;
-
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
__ceph_flush_snaps(ci, NULL, 0);
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
}
/*
* Add dirty inode to the flushing list. Assigned a seq number so we
* can wait for caps to flush without starving.
*
- * Called under i_lock.
+ * Called under i_ceph_lock.
*/
static int __mark_caps_flushing(struct inode *inode,
struct ceph_mds_session *session)
struct ceph_inode_info *ci = ceph_inode(inode);
u32 invalidating_gen = ci->i_rdcache_gen;
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
invalidate_mapping_pages(&inode->i_data, 0, -1);
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
if (inode->i_data.nrpages == 0 &&
invalidating_gen == ci->i_rdcache_gen) {
if (mdsc->stopping)
is_delayed = 1;
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
if (ci->i_ceph_flags & CEPH_I_FLUSH)
flags |= CHECK_CAPS_FLUSH;
__ceph_flush_snaps(ci, &session, 0);
goto retry_locked;
retry:
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
retry_locked:
file_wanted = __ceph_caps_file_wanted(ci);
used = __ceph_caps_used(ci);
if (mutex_trylock(&session->s_mutex) == 0) {
dout("inverting session/ino locks on %p\n",
session);
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
if (took_snap_rwsem) {
up_read(&mdsc->snap_rwsem);
took_snap_rwsem = 0;
if (down_read_trylock(&mdsc->snap_rwsem) == 0) {
dout("inverting snap/in locks on %p\n",
inode);
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
down_read(&mdsc->snap_rwsem);
took_snap_rwsem = 1;
goto retry;
mds = cap->mds; /* remember mds, so we don't repeat */
sent++;
- /* __send_cap drops i_lock */
+ /* __send_cap drops i_ceph_lock */
delayed += __send_cap(mdsc, cap, CEPH_CAP_OP_UPDATE, used, want,
retain, flushing, NULL);
- goto retry; /* retake i_lock and restart our cap scan. */
+ goto retry; /* retake i_ceph_lock and restart our cap scan. */
}
/*
else if (!is_delayed || force_requeue)
__cap_delay_requeue(mdsc, ci);
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
if (queue_invalidate)
ceph_queue_invalidate(inode);
int flushing = 0;
retry:
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
if (ci->i_ceph_flags & CEPH_I_NOFLUSH) {
dout("try_flush_caps skipping %p I_NOFLUSH set\n", inode);
goto out;
int delayed;
if (!session) {
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
session = cap->session;
mutex_lock(&session->s_mutex);
goto retry;
flushing = __mark_caps_flushing(inode, session);
- /* __send_cap drops i_lock */
+ /* __send_cap drops i_ceph_lock */
delayed = __send_cap(mdsc, cap, CEPH_CAP_OP_FLUSH, used, want,
cap->issued | cap->implemented, flushing,
flush_tid);
if (!delayed)
goto out_unlocked;
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
__cap_delay_requeue(mdsc, ci);
}
out:
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
out_unlocked:
if (session && unlock_session)
mutex_unlock(&session->s_mutex);
struct ceph_inode_info *ci = ceph_inode(inode);
int i, ret = 1;
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
for (i = 0; i < CEPH_CAP_BITS; i++)
if ((ci->i_flushing_caps & (1 << i)) &&
ci->i_cap_flush_tid[i] <= tid) {
ret = 0;
break;
}
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
return ret;
}
struct ceph_mds_client *mdsc =
ceph_sb_to_client(inode->i_sb)->mdsc;
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
if (__ceph_caps_dirty(ci))
__cap_delay_requeue_front(mdsc, ci);
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
}
return err;
}
struct inode *inode = &ci->vfs_inode;
struct ceph_cap *cap;
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
cap = ci->i_auth_cap;
if (cap && cap->session == session) {
dout("kick_flushing_caps %p cap %p capsnap %p\n", inode,
pr_err("%p auth cap %p not mds%d ???\n", inode,
cap, session->s_mds);
}
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
}
}
struct ceph_cap *cap;
int delayed = 0;
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
cap = ci->i_auth_cap;
if (cap && cap->session == session) {
dout("kick_flushing_caps %p cap %p %s\n", inode,
cap->issued | cap->implemented,
ci->i_flushing_caps, NULL);
if (delayed) {
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
__cap_delay_requeue(mdsc, ci);
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
}
} else {
pr_err("%p auth cap %p not mds%d ???\n", inode,
cap, session->s_mds);
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
}
}
}
struct ceph_cap *cap;
int delayed = 0;
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
cap = ci->i_auth_cap;
dout("kick_flushing_inode_caps %p flushing %s flush_seq %lld\n", inode,
ceph_cap_string(ci->i_flushing_caps), ci->i_cap_flush_seq);
cap->issued | cap->implemented,
ci->i_flushing_caps, NULL);
if (delayed) {
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
__cap_delay_requeue(mdsc, ci);
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
}
} else {
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
}
}
* Take references to capabilities we hold, so that we don't release
* them to the MDS prematurely.
*
- * Protected by i_lock.
+ * Protected by i_ceph_lock.
*/
static void __take_cap_refs(struct ceph_inode_info *ci, int got)
{
dout("get_cap_refs %p need %s want %s\n", inode,
ceph_cap_string(need), ceph_cap_string(want));
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
/* make sure file is actually open */
file_wanted = __ceph_caps_file_wanted(ci);
ceph_cap_string(have), ceph_cap_string(need));
}
out:
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
dout("get_cap_refs %p ret %d got %s\n", inode,
ret, ceph_cap_string(*got));
return ret;
int check = 0;
/* do we need to explicitly request a larger max_size? */
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
if ((endoff >= ci->i_max_size ||
endoff > (inode->i_size << 1)) &&
endoff > ci->i_wanted_max_size) {
ci->i_wanted_max_size = endoff;
check = 1;
}
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
if (check)
ceph_check_caps(ci, CHECK_CAPS_AUTHONLY, NULL);
}
*/
void ceph_get_cap_refs(struct ceph_inode_info *ci, int caps)
{
- spin_lock(&ci->vfs_inode.i_lock);
+ spin_lock(&ci->i_ceph_lock);
__take_cap_refs(ci, caps);
- spin_unlock(&ci->vfs_inode.i_lock);
+ spin_unlock(&ci->i_ceph_lock);
}
/*
int last = 0, put = 0, flushsnaps = 0, wake = 0;
struct ceph_cap_snap *capsnap;
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
if (had & CEPH_CAP_PIN)
--ci->i_pin_ref;
if (had & CEPH_CAP_FILE_RD)
}
}
}
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
dout("put_cap_refs %p had %s%s%s\n", inode, ceph_cap_string(had),
last ? " last" : "", put ? " put" : "");
int found = 0;
struct ceph_cap_snap *capsnap = NULL;
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
ci->i_wrbuffer_ref -= nr;
last = !ci->i_wrbuffer_ref;
}
}
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
if (last) {
ceph_check_caps(ci, CHECK_CAPS_AUTHONLY, NULL);
* Handle a cap GRANT message from the MDS. (Note that a GRANT may
* actually be a revocation if it specifies a smaller cap set.)
*
- * caller holds s_mutex and i_lock, we drop both.
+ * caller holds s_mutex and i_ceph_lock, we drop both.
*
* return value:
* 0 - ok
struct ceph_mds_session *session,
struct ceph_cap *cap,
struct ceph_buffer *xattr_buf)
- __releases(inode->i_lock)
+ __releases(ci->i_ceph_lock)
{
struct ceph_inode_info *ci = ceph_inode(inode);
int mds = session->s_mds;
}
BUG_ON(cap->issued & ~cap->implemented);
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
if (writeback)
/*
* queue inode for writeback: we can't actually call
struct ceph_mds_caps *m,
struct ceph_mds_session *session,
struct ceph_cap *cap)
- __releases(inode->i_lock)
+ __releases(ci->i_ceph_lock)
{
struct ceph_inode_info *ci = ceph_inode(inode);
struct ceph_mds_client *mdsc = ceph_sb_to_client(inode->i_sb)->mdsc;
wake_up_all(&ci->i_cap_wq);
out:
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
if (drop)
iput(inode);
}
dout("handle_cap_flushsnap_ack inode %p ci %p mds%d follows %lld\n",
inode, ci, session->s_mds, follows);
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
list_for_each_entry(capsnap, &ci->i_cap_snaps, ci_item) {
if (capsnap->follows == follows) {
if (capsnap->flush_tid != flush_tid) {
capsnap, capsnap->follows);
}
}
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
if (drop)
iput(inode);
}
static void handle_cap_trunc(struct inode *inode,
struct ceph_mds_caps *trunc,
struct ceph_mds_session *session)
- __releases(inode->i_lock)
+ __releases(ci->i_ceph_lock)
{
struct ceph_inode_info *ci = ceph_inode(inode);
int mds = session->s_mds;
inode, mds, seq, truncate_size, truncate_seq);
queue_trunc = ceph_fill_file_size(inode, issued,
truncate_seq, truncate_size, size);
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
if (queue_trunc)
ceph_queue_vmtruncate(inode);
dout("handle_cap_export inode %p ci %p mds%d mseq %d\n",
inode, ci, mds, mseq);
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
/* make sure we haven't seen a higher mseq */
for (p = rb_first(&ci->i_caps); p; p = rb_next(p)) {
}
/* else, we already released it */
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
}
/*
up_read(&mdsc->snap_rwsem);
/* make sure we re-request max_size, if necessary */
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
ci->i_requested_max_size = 0;
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
}
/*
struct ceph_mds_client *mdsc = session->s_mdsc;
struct super_block *sb = mdsc->fsc->sb;
struct inode *inode;
+ struct ceph_inode_info *ci;
struct ceph_cap *cap;
struct ceph_mds_caps *h;
int mds = session->s_mds;
/* lookup ino */
inode = ceph_find_inode(sb, vino);
+ ci = ceph_inode(inode);
dout(" op %s ino %llx.%llx inode %p\n", ceph_cap_op_name(op), vino.ino,
vino.snap, inode);
if (!inode) {
}
/* the rest require a cap */
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
cap = __get_cap_for_mds(ceph_inode(inode), mds);
if (!cap) {
dout(" no cap on %p ino %llx.%llx from mds%d\n",
inode, ceph_ino(inode), ceph_snap(inode), mds);
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
goto flush_cap_releases;
}
- /* note that each of these drops i_lock for us */
+ /* note that each of these drops i_ceph_lock for us */
switch (op) {
case CEPH_CAP_OP_REVOKE:
case CEPH_CAP_OP_GRANT:
break;
default:
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
pr_err("ceph_handle_caps: unknown cap op %d %s\n", op,
ceph_cap_op_name(op));
}
struct inode *inode = &ci->vfs_inode;
int last = 0;
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
dout("put_fmode %p fmode %d %d -> %d\n", inode, fmode,
ci->i_nr_by_mode[fmode], ci->i_nr_by_mode[fmode]-1);
BUG_ON(ci->i_nr_by_mode[fmode] == 0);
if (--ci->i_nr_by_mode[fmode] == 0)
last++;
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
if (last && ci->i_vino.snap == CEPH_NOSNAP)
ceph_check_caps(ci, 0, NULL);
int used, dirty;
int ret = 0;
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
used = __ceph_caps_used(ci);
dirty = __ceph_caps_dirty(ci);
inode, cap, ceph_cap_string(cap->issued));
}
}
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
return ret;
}
/*
* force an record for the directory caps if we have a dentry lease.
- * this is racy (can't take i_lock and d_lock together), but it
+ * this is racy (can't take i_ceph_lock and d_lock together), but it
* doesn't have to be perfect; the mds will revoke anything we don't
* release.
*/
}
/* can we use the dcache? */
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
if ((filp->f_pos == 2 || fi->dentry) &&
!ceph_test_mount_opt(fsc, NOASYNCREADDIR) &&
ceph_snap(inode) != CEPH_SNAPDIR &&
ceph_dir_test_complete(inode) &&
__ceph_caps_issued_mask(ci, CEPH_CAP_FILE_SHARED, 1)) {
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
err = __dcache_readdir(filp, dirent, filldir);
if (err != -EAGAIN)
return err;
} else {
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
}
if (fi->dentry) {
err = note_last_dentry(fi, fi->dentry->d_name.name,
* were released during the whole readdir, and we should have
* the complete dir contents in our cache.
*/
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
if (ci->i_release_count == fi->dir_release_count) {
ceph_dir_set_complete(inode);
ci->i_max_offset = filp->f_pos;
}
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
dout("readdir %p filp %p done.\n", inode, filp);
return 0;
struct ceph_inode_info *ci = ceph_inode(dir);
struct ceph_dentry_info *di = ceph_dentry(dentry);
- spin_lock(&dir->i_lock);
+ spin_lock(&ci->i_ceph_lock);
dout(" dir %p flags are %d\n", dir, ci->i_ceph_flags);
if (strncmp(dentry->d_name.name,
fsc->mount_options->snapdir_name,
!is_root_ceph_dentry(dir, dentry) &&
ceph_dir_test_complete(dir) &&
(__ceph_caps_issued_mask(ci, CEPH_CAP_FILE_SHARED, 1))) {
- spin_unlock(&dir->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
dout(" dir %p complete, -ENOENT\n", dir);
d_add(dentry, NULL);
di->lease_shared_gen = ci->i_shared_gen;
return NULL;
}
- spin_unlock(&dir->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
}
op = ceph_snap(dir) == CEPH_SNAPDIR ?
struct ceph_inode_info *ci = ceph_inode(inode);
int drop = CEPH_CAP_LINK_SHARED | CEPH_CAP_LINK_EXCL;
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
if (inode->i_nlink == 1) {
drop |= ~(__ceph_caps_wanted(ci) | CEPH_CAP_PIN);
ci->i_ceph_flags |= CEPH_I_NODELAY;
}
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
return drop;
}
struct ceph_dentry_info *di = ceph_dentry(dentry);
int valid = 0;
- spin_lock(&dir->i_lock);
+ spin_lock(&ci->i_ceph_lock);
if (ci->i_shared_gen == di->lease_shared_gen)
valid = __ceph_caps_issued_mask(ci, CEPH_CAP_FILE_SHARED, 1);
- spin_unlock(&dir->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
dout("dir_lease_is_valid dir %p v%u dentry %p v%u = %d\n",
dir, (unsigned)ci->i_shared_gen, dentry,
(unsigned)di->lease_shared_gen, valid);
/* trivially open snapdir */
if (ceph_snap(inode) == CEPH_SNAPDIR) {
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
__ceph_get_fmode(ci, fmode);
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
return ceph_init_file(inode, file, fmode);
}
* write) or any MDS (for read). Update wanted set
* asynchronously.
*/
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
if (__ceph_is_any_real_caps(ci) &&
(((fmode & CEPH_FILE_MODE_WR) == 0) || ci->i_auth_cap)) {
int mds_wanted = __ceph_caps_mds_wanted(ci);
inode, fmode, ceph_cap_string(wanted),
ceph_cap_string(issued));
__ceph_get_fmode(ci, fmode);
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
/* adjust wanted? */
if ((issued & wanted) != wanted &&
} else if (ceph_snap(inode) != CEPH_NOSNAP &&
(ci->i_snap_caps & wanted) == wanted) {
__ceph_get_fmode(ci, fmode);
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
return ceph_init_file(inode, file, fmode);
}
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
dout("open fmode %d wants %s\n", fmode, ceph_cap_string(wanted));
req = prepare_open_request(inode->i_sb, flags, 0);
*/
int dirty;
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
dirty = __ceph_mark_dirty_caps(ci, CEPH_CAP_FILE_WR);
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
ceph_put_cap_refs(ci, got);
ret = generic_file_aio_write(iocb, iov, nr_segs, pos);
if (ret >= 0) {
int dirty;
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
dirty = __ceph_mark_dirty_caps(ci, CEPH_CAP_FILE_WR);
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
if (dirty)
__mark_inode_dirty(inode, dirty);
}
mutex_lock(&inode->i_mutex);
__ceph_do_pending_vmtruncate(inode);
- if (origin != SEEK_CUR || origin != SEEK_SET) {
+
+ if (origin == SEEK_END || origin == SEEK_DATA || origin == SEEK_HOLE) {
ret = ceph_do_getattr(inode, CEPH_STAT_CAP_SIZE);
if (ret < 0) {
offset = ret;
dout("alloc_inode %p\n", &ci->vfs_inode);
+ spin_lock_init(&ci->i_ceph_lock);
+
ci->i_version = 0;
ci->i_time_warp_seq = 0;
ci->i_ceph_flags = 0;
iinfo->xattr_len);
}
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
/*
* provided version will be odd if inode value is projected,
char *sym;
BUG_ON(symlen != inode->i_size);
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
err = -ENOMEM;
sym = kmalloc(symlen+1, GFP_NOFS);
memcpy(sym, iinfo->symlink, symlen);
sym[symlen] = 0;
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
if (!ci->i_symlink)
ci->i_symlink = sym;
else
}
no_change:
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
/* queue truncate if we saw i_size decrease */
if (queue_trunc)
info->cap.flags,
caps_reservation);
} else {
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
dout(" %p got snap_caps %s\n", inode,
ceph_cap_string(le32_to_cpu(info->cap.caps)));
ci->i_snap_caps |= le32_to_cpu(info->cap.caps);
if (cap_fmode >= 0)
__ceph_get_fmode(ci, cap_fmode);
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
}
} else if (cap_fmode >= 0) {
pr_warning("mds issued no caps on %llx.%llx\n",
{
struct dentry *dir = dn->d_parent;
struct inode *inode = dir->d_inode;
+ struct ceph_inode_info *ci = ceph_inode(inode);
struct ceph_dentry_info *di;
BUG_ON(!inode);
di = ceph_dentry(dn);
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
if (!ceph_dir_test_complete(inode)) {
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
return;
}
di->offset = ceph_inode(inode)->i_max_offset++;
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
spin_lock(&dir->d_lock);
spin_lock_nested(&dn->d_lock, DENTRY_D_LOCK_NESTED);
struct ceph_inode_info *ci = ceph_inode(inode);
int ret = 0;
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
dout("set_size %p %llu -> %llu\n", inode, inode->i_size, size);
inode->i_size = size;
inode->i_blocks = (size + (1 << 9) - 1) >> 9;
(ci->i_reported_size << 1) < ci->i_max_size)
ret = 1;
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
return ret;
}
u32 orig_gen;
int check = 0;
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
dout("invalidate_pages %p gen %d revoking %d\n", inode,
ci->i_rdcache_gen, ci->i_rdcache_revoking);
if (ci->i_rdcache_revoking != ci->i_rdcache_gen) {
/* nevermind! */
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
goto out;
}
orig_gen = ci->i_rdcache_gen;
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
truncate_inode_pages(&inode->i_data, 0);
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
if (orig_gen == ci->i_rdcache_gen &&
orig_gen == ci->i_rdcache_revoking) {
dout("invalidate_pages %p gen %d successful\n", inode,
inode, orig_gen, ci->i_rdcache_gen,
ci->i_rdcache_revoking);
}
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
if (check)
ceph_check_caps(ci, 0, NULL);
int wrbuffer_refs, wake = 0;
retry:
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
if (ci->i_truncate_pending == 0) {
dout("__do_pending_vmtruncate %p none pending\n", inode);
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
return;
}
if (ci->i_wrbuffer_ref_head < ci->i_wrbuffer_ref) {
dout("__do_pending_vmtruncate %p flushing snaps first\n",
inode);
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
filemap_write_and_wait_range(&inode->i_data, 0,
inode->i_sb->s_maxbytes);
goto retry;
wrbuffer_refs = ci->i_wrbuffer_ref;
dout("__do_pending_vmtruncate %p (%d) to %lld\n", inode,
ci->i_truncate_pending, to);
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
truncate_inode_pages(inode->i_mapping, to);
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
ci->i_truncate_pending--;
if (ci->i_truncate_pending == 0)
wake = 1;
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
if (wrbuffer_refs == 0)
ceph_check_caps(ci, CHECK_CAPS_AUTHONLY, NULL);
if (IS_ERR(req))
return PTR_ERR(req);
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
issued = __ceph_caps_issued(ci, NULL);
dout("setattr %p issued %s\n", inode, ceph_cap_string(issued));
}
release &= issued;
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
if (inode_dirty_flags)
__mark_inode_dirty(inode, inode_dirty_flags);
__ceph_do_pending_vmtruncate(inode);
return err;
out:
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
ceph_mdsc_put_request(req);
return err;
}
struct ceph_inode_info *ci = ceph_inode(inode);
if ((fi->fmode & CEPH_FILE_MODE_LAZY) == 0) {
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
ci->i_nr_by_mode[fi->fmode]--;
fi->fmode |= CEPH_FILE_MODE_LAZY;
ci->i_nr_by_mode[fi->fmode]++;
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
dout("ioctl_layzio: file %p marked lazy\n", file);
ceph_check_caps(ci, 0, NULL);
}
}
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
cap = NULL;
if (mode == USE_AUTH_MDS)
cap = ci->i_auth_cap;
if (!cap && !RB_EMPTY_ROOT(&ci->i_caps))
cap = rb_entry(rb_first(&ci->i_caps), struct ceph_cap, ci_node);
if (!cap) {
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
goto random;
}
mds = cap->session->s_mds;
dout("choose_mds %p %llx.%llx mds%d (%scap %p)\n",
inode, ceph_vinop(inode), mds,
cap == ci->i_auth_cap ? "auth " : "", cap);
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
return mds;
random:
dout("removing cap %p, ci is %p, inode is %p\n",
cap, ci, &ci->vfs_inode);
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
__ceph_remove_cap(cap);
if (!__ceph_is_any_real_caps(ci)) {
struct ceph_mds_client *mdsc =
}
spin_unlock(&mdsc->cap_dirty_lock);
}
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
while (drop--)
iput(inode);
return 0;
wake_up_all(&ci->i_cap_wq);
if (arg) {
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
ci->i_wanted_max_size = 0;
ci->i_requested_max_size = 0;
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
}
return 0;
}
if (session->s_trim_caps <= 0)
return -1;
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
mine = cap->issued | cap->implemented;
used = __ceph_caps_used(ci);
oissued = __ceph_caps_issued_other(ci, cap);
__ceph_remove_cap(cap);
} else {
/* try to drop referring dentries */
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
d_prune_aliases(inode);
dout("trim_caps_cb %p cap %p pruned, count now %d\n",
inode, cap, atomic_read(&inode->i_count));
}
out:
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
return 0;
}
i_flushing_item);
struct inode *inode = &ci->vfs_inode;
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
if (ci->i_cap_flush_seq <= want_flush_seq) {
dout("check_cap_flush still flushing %p "
"seq %lld <= %lld to mds%d\n", inode,
session->s_mds);
ret = 0;
}
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
}
mutex_unlock(&session->s_mutex);
ceph_put_mds_session(session);
pos, temp);
} else if (stop_on_nosnap && inode &&
ceph_snap(inode) == CEPH_NOSNAP) {
+ spin_unlock(&temp->d_lock);
break;
} else {
pos -= temp->d_name.len;
struct ceph_inode_info *ci = ceph_inode(inode);
dout("invalidate_dir_request %p (D_COMPLETE, lease(s))\n", inode);
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
ceph_dir_clear_complete(inode);
ci->i_release_count++;
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
if (req->r_dentry)
ceph_invalidate_dentry_lease(req->r_dentry);
if (err)
goto out_free;
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
cap->seq = 0; /* reset cap seq */
cap->issue_seq = 0; /* and issue_seq */
rec.v1.pathbase = cpu_to_le64(pathbase);
reclen = sizeof(rec.v1);
}
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
if (recon_state->flock) {
int num_fcntl_locks, num_flock_locks;
*
* mdsc->snap_rwsem
*
- * inode->i_lock
+ * ci->i_ceph_lock
* mdsc->snap_flush_lock
* mdsc->cap_delay_lock
*
return;
}
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
used = __ceph_caps_used(ci);
dirty = __ceph_caps_dirty(ci);
kfree(capsnap);
}
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
}
/*
*
* If capsnap can now be flushed, add to snap_flush list, and return 1.
*
- * Caller must hold i_lock.
+ * Caller must hold i_ceph_lock.
*/
int __ceph_finish_cap_snap(struct ceph_inode_info *ci,
struct ceph_cap_snap *capsnap)
inode = &ci->vfs_inode;
ihold(inode);
spin_unlock(&mdsc->snap_flush_lock);
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
__ceph_flush_snaps(ci, &session, 0);
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
iput(inode);
spin_lock(&mdsc->snap_flush_lock);
}
continue;
ci = ceph_inode(inode);
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
if (!ci->i_snap_realm)
goto skip_inode;
/*
oldrealm = ci->i_snap_realm;
ci->i_snap_realm = realm;
spin_unlock(&realm->inodes_with_caps_lock);
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
ceph_get_snap_realm(mdsc, realm);
ceph_put_snap_realm(mdsc, oldrealm);
continue;
skip_inode:
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
iput(inode);
}
if (fsopt->rsize != CEPH_RSIZE_DEFAULT)
seq_printf(m, ",rsize=%d", fsopt->rsize);
if (fsopt->rasize != CEPH_RASIZE_DEFAULT)
- seq_printf(m, ",rasize=%d", fsopt->rsize);
+ seq_printf(m, ",rasize=%d", fsopt->rasize);
if (fsopt->congestion_kb != default_congestion_kb())
seq_printf(m, ",write_congestion_kb=%d", fsopt->congestion_kb);
if (fsopt->caps_wanted_delay_min != CEPH_CAPS_WANTED_DELAY_MIN_DEFAULT)
* The locking for D_COMPLETE is a bit odd:
* - we can clear it at almost any time (see ceph_d_prune)
* - it is only meaningful if:
- * - we hold dir inode i_lock
+ * - we hold dir inode i_ceph_lock
* - we hold dir FILE_SHARED caps
* - the dentry D_COMPLETE is set
*/
struct ceph_inode_info {
struct ceph_vino i_vino; /* ceph ino + snap */
+ spinlock_t i_ceph_lock;
+
u64 i_version;
u32 i_time_warp_seq;
struct ceph_inode_xattrs_info i_xattrs;
- /* capabilities. protected _both_ by i_lock and cap->session's
+ /* capabilities. protected _both_ by i_ceph_lock and cap->session's
* s_mutex. */
struct rb_root i_caps; /* cap list */
struct ceph_cap *i_auth_cap; /* authoritative cap, if any */
{
struct ceph_inode_info *ci = ceph_inode(inode);
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
ci->i_ceph_flags &= ~mask;
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
}
static inline void ceph_i_set(struct inode *inode, unsigned mask)
{
struct ceph_inode_info *ci = ceph_inode(inode);
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
ci->i_ceph_flags |= mask;
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
}
static inline bool ceph_i_test(struct inode *inode, unsigned mask)
struct ceph_inode_info *ci = ceph_inode(inode);
bool r;
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
r = (ci->i_ceph_flags & mask) == mask;
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
return r;
}
static inline int ceph_caps_issued(struct ceph_inode_info *ci)
{
int issued;
- spin_lock(&ci->vfs_inode.i_lock);
+ spin_lock(&ci->i_ceph_lock);
issued = __ceph_caps_issued(ci, NULL);
- spin_unlock(&ci->vfs_inode.i_lock);
+ spin_unlock(&ci->i_ceph_lock);
return issued;
}
int touch)
{
int r;
- spin_lock(&ci->vfs_inode.i_lock);
+ spin_lock(&ci->i_ceph_lock);
r = __ceph_caps_issued_mask(ci, mask, touch);
- spin_unlock(&ci->vfs_inode.i_lock);
+ spin_unlock(&ci->i_ceph_lock);
return r;
}
extern void __ceph_remove_cap(struct ceph_cap *cap);
static inline void ceph_remove_cap(struct ceph_cap *cap)
{
- struct inode *inode = &cap->ci->vfs_inode;
- spin_lock(&inode->i_lock);
+ spin_lock(&cap->ci->i_ceph_lock);
__ceph_remove_cap(cap);
- spin_unlock(&inode->i_lock);
+ spin_unlock(&cap->ci->i_ceph_lock);
}
extern void ceph_put_cap(struct ceph_mds_client *mdsc,
struct ceph_cap *cap);
}
static int __build_xattrs(struct inode *inode)
- __releases(inode->i_lock)
- __acquires(inode->i_lock)
+ __releases(ci->i_ceph_lock)
+ __acquires(ci->i_ceph_lock)
{
u32 namelen;
u32 numattr = 0;
end = p + ci->i_xattrs.blob->vec.iov_len;
ceph_decode_32_safe(&p, end, numattr, bad);
xattr_version = ci->i_xattrs.version;
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
xattrs = kcalloc(numattr, sizeof(struct ceph_xattr *),
GFP_NOFS);
goto bad_lock;
}
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
if (ci->i_xattrs.version != xattr_version) {
/* lost a race, retry */
for (i = 0; i < numattr; i++)
return err;
bad_lock:
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
bad:
if (xattrs) {
for (i = 0; i < numattr; i++)
if (vxattrs)
vxattr = ceph_match_vxattr(vxattrs, name);
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
dout("getxattr %p ver=%lld index_ver=%lld\n", inode,
ci->i_xattrs.version, ci->i_xattrs.index_version);
(ci->i_xattrs.index_version >= ci->i_xattrs.version)) {
goto get_xattr;
} else {
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
/* get xattrs from mds (if we don't already have them) */
err = ceph_do_getattr(inode, CEPH_STAT_CAP_XATTR);
if (err)
return err;
}
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
if (vxattr && vxattr->readonly) {
err = vxattr->getxattr_cb(ci, value, size);
memcpy(value, xattr->val, xattr->val_len);
out:
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
return err;
}
u32 len;
int i;
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
dout("listxattr %p ver=%lld index_ver=%lld\n", inode,
ci->i_xattrs.version, ci->i_xattrs.index_version);
(ci->i_xattrs.index_version >= ci->i_xattrs.version)) {
goto list_xattr;
} else {
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
err = ceph_do_getattr(inode, CEPH_STAT_CAP_XATTR);
if (err)
return err;
}
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
err = __build_xattrs(inode);
if (err < 0)
}
out:
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
return err;
}
if (!xattr)
goto out;
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
retry:
issued = __ceph_caps_issued(ci, NULL);
if (!(issued & CEPH_CAP_XATTR_EXCL))
required_blob_size > ci->i_xattrs.prealloc_blob->alloc_len) {
struct ceph_buffer *blob = NULL;
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
dout(" preaallocating new blob size=%d\n", required_blob_size);
blob = ceph_buffer_new(required_blob_size, GFP_NOFS);
if (!blob)
goto out;
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
if (ci->i_xattrs.prealloc_blob)
ceph_buffer_put(ci->i_xattrs.prealloc_blob);
ci->i_xattrs.prealloc_blob = blob;
dirty = __ceph_mark_dirty_caps(ci, CEPH_CAP_XATTR_EXCL);
ci->i_xattrs.dirty = true;
inode->i_ctime = CURRENT_TIME;
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
if (dirty)
__mark_inode_dirty(inode, dirty);
return err;
do_sync:
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
err = ceph_sync_setxattr(dentry, name, value, size, flags);
out:
kfree(newname);
return -EOPNOTSUPP;
}
- spin_lock(&inode->i_lock);
+ spin_lock(&ci->i_ceph_lock);
__build_xattrs(inode);
issued = __ceph_caps_issued(ci, NULL);
dout("removexattr %p issued %s\n", inode, ceph_cap_string(issued));
ci->i_xattrs.dirty = true;
inode->i_ctime = CURRENT_TIME;
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
if (dirty)
__mark_inode_dirty(inode, dirty);
return err;
do_sync:
- spin_unlock(&inode->i_lock);
+ spin_unlock(&ci->i_ceph_lock);
err = ceph_send_removexattr(dentry, name);
return err;
}
return bdi_init(&configfs_backing_dev_info);
}
-void __exit configfs_inode_exit(void)
+void configfs_inode_exit(void)
{
bdi_destroy(&configfs_backing_dev_info);
}
goto out;
config_kobj = kobject_create_and_add("config", kernel_kobj);
- if (!config_kobj) {
- kmem_cache_destroy(configfs_dir_cachep);
- configfs_dir_cachep = NULL;
- goto out;
- }
+ if (!config_kobj)
+ goto out2;
+
+ err = configfs_inode_init();
+ if (err)
+ goto out3;
err = register_filesystem(&configfs_fs_type);
- if (err) {
- printk(KERN_ERR "configfs: Unable to register filesystem!\n");
- kobject_put(config_kobj);
- kmem_cache_destroy(configfs_dir_cachep);
- configfs_dir_cachep = NULL;
- goto out;
- }
+ if (err)
+ goto out4;
- err = configfs_inode_init();
- if (err) {
- unregister_filesystem(&configfs_fs_type);
- kobject_put(config_kobj);
- kmem_cache_destroy(configfs_dir_cachep);
- configfs_dir_cachep = NULL;
- }
+ return 0;
+out4:
+ printk(KERN_ERR "configfs: Unable to register filesystem!\n");
+ configfs_inode_exit();
+out3:
+ kobject_put(config_kobj);
+out2:
+ kmem_cache_destroy(configfs_dir_cachep);
+ configfs_dir_cachep = NULL;
out:
return err;
}
le32_to_cpu(EXT_FIRST_INDEX(neh)->ei_block),
ext4_idx_pblock(EXT_FIRST_INDEX(neh)));
- neh->eh_depth = cpu_to_le16(neh->eh_depth + 1);
+ neh->eh_depth = cpu_to_le16(le16_to_cpu(neh->eh_depth) + 1);
ext4_mark_inode_dirty(handle, inode);
out:
brelse(bh);
/* Pre-conditions */
BUG_ON(!ext4_ext_is_uninitialized(ex));
BUG_ON(!in_range(map->m_lblk, ee_block, ee_len));
- BUG_ON(map->m_lblk + map->m_len > ee_block + ee_len);
/*
* Attempt to transfer newly initialized blocks from the currently
clear_buffer_unwritten(bh);
}
- /* skip page if block allocation undone */
- if (buffer_delay(bh) || buffer_unwritten(bh))
+ /*
+ * skip page if block allocation undone and
+ * block is dirty
+ */
+ if (ext4_bh_delay_or_unwritten(NULL, bh))
skip_page = 1;
bh = bh->b_this_page;
block_start += bh->b_size;
pgoff_t index;
struct inode *inode = mapping->host;
handle_t *handle;
- loff_t page_len;
index = pos >> PAGE_CACHE_SHIFT;
*/
if (pos + len > inode->i_size)
ext4_truncate_failed_write(inode);
- } else {
- page_len = pos & (PAGE_CACHE_SIZE - 1);
- if (page_len > 0) {
- ret = ext4_discard_partial_page_buffers_no_lock(handle,
- inode, page, pos - page_len, page_len,
- EXT4_DISCARD_PARTIAL_PG_ZERO_UNMAPPED);
- }
}
if (ret == -ENOSPC && ext4_should_retry_alloc(inode->i_sb, &retries))
loff_t new_i_size;
unsigned long start, end;
int write_mode = (int)(unsigned long)fsdata;
- loff_t page_len;
if (write_mode == FALL_BACK_TO_NONDELALLOC) {
if (ext4_should_order_data(inode)) {
*/
new_i_size = pos + copied;
- if (new_i_size > EXT4_I(inode)->i_disksize) {
+ if (copied && new_i_size > EXT4_I(inode)->i_disksize) {
if (ext4_da_should_update_i_disksize(page, end)) {
down_write(&EXT4_I(inode)->i_data_sem);
if (new_i_size > EXT4_I(inode)->i_disksize) {
}
ret2 = generic_write_end(file, mapping, pos, len, copied,
page, fsdata);
-
- page_len = PAGE_CACHE_SIZE -
- ((pos + copied - 1) & (PAGE_CACHE_SIZE - 1));
-
- if (page_len > 0) {
- ret = ext4_discard_partial_page_buffers_no_lock(handle,
- inode, page, pos + copied - 1, page_len,
- EXT4_DISCARD_PARTIAL_PG_ZERO_UNMAPPED);
- }
-
copied = ret2;
if (ret2 < 0)
ret = ret2;
iocb->private, io_end->inode->i_ino, iocb, offset,
size);
+ iocb->private = NULL;
+
/* if not aio dio with unwritten extents, just free io and return */
if (!(io_end->flag & EXT4_IO_END_UNWRITTEN)) {
ext4_free_io_end(io_end);
- iocb->private = NULL;
out:
if (is_async)
aio_complete(iocb, ret, 0);
spin_unlock_irqrestore(&ei->i_completed_io_lock, flags);
/* queue the work to convert unwritten extents to written */
- iocb->private = NULL;
queue_work(wq, &io_end->work);
/* XXX: probably should move into the real I/O completion handler */
iblock = index << (PAGE_CACHE_SHIFT - inode->i_sb->s_blocksize_bits);
- if (!page_has_buffers(page)) {
- /*
- * If the range to be discarded covers a partial block
- * we need to get the page buffers. This is because
- * partial blocks cannot be released and the page needs
- * to be updated with the contents of the block before
- * we write the zeros on top of it.
- */
- if ((from & (blocksize - 1)) ||
- ((from + length) & (blocksize - 1))) {
- create_empty_buffers(page, blocksize, 0);
- } else {
- /*
- * If there are no partial blocks,
- * there is nothing to update,
- * so we can return now
- */
- return 0;
- }
- }
+ if (!page_has_buffers(page))
+ create_empty_buffers(page, blocksize, 0);
/* Find the buffer that contains "offset" */
bh = page_buffers(page);
block_end = block_start + blocksize;
if (block_start >= len) {
+ /*
+ * Comments copied from block_write_full_page_endio:
+ *
+ * The page straddles i_size. It must be zeroed out on
+ * each and every writepage invocation because it may
+ * be mmapped. "A file is mapped in multiples of the
+ * page size. For a file that is not a multiple of
+ * the page size, the remaining memory is zeroed when
+ * mapped, and writes to that region are not written
+ * out to the file."
+ */
+ zero_user_segment(page, block_start, block_end);
clear_buffer_dirty(bh);
set_buffer_uptodate(bh);
continue;
seq_puts(seq, ",block_validity");
if (!test_opt(sb, INIT_INODE_TABLE))
- seq_puts(seq, ",noinit_inode_table");
+ seq_puts(seq, ",noinit_itable");
else if (sbi->s_li_wait_mult != EXT4_DEF_LI_WAIT_MULT)
- seq_printf(seq, ",init_inode_table=%u",
+ seq_printf(seq, ",init_itable=%u",
(unsigned) sbi->s_li_wait_mult);
ext4_show_quota_options(seq, sb);
Opt_nomblk_io_submit, Opt_block_validity, Opt_noblock_validity,
Opt_inode_readahead_blks, Opt_journal_ioprio,
Opt_dioread_nolock, Opt_dioread_lock,
- Opt_discard, Opt_nodiscard,
- Opt_init_inode_table, Opt_noinit_inode_table,
+ Opt_discard, Opt_nodiscard, Opt_init_itable, Opt_noinit_itable,
};
static const match_table_t tokens = {
{Opt_dioread_lock, "dioread_lock"},
{Opt_discard, "discard"},
{Opt_nodiscard, "nodiscard"},
- {Opt_init_inode_table, "init_itable=%u"},
- {Opt_init_inode_table, "init_itable"},
- {Opt_noinit_inode_table, "noinit_itable"},
+ {Opt_init_itable, "init_itable=%u"},
+ {Opt_init_itable, "init_itable"},
+ {Opt_noinit_itable, "noinit_itable"},
{Opt_err, NULL},
};
case Opt_dioread_lock:
clear_opt(sb, DIOREAD_NOLOCK);
break;
- case Opt_init_inode_table:
+ case Opt_init_itable:
set_opt(sb, INIT_INODE_TABLE);
if (args[0].from) {
if (match_int(&args[0], &option))
return 0;
sbi->s_li_wait_mult = option;
break;
- case Opt_noinit_inode_table:
+ case Opt_noinit_itable:
clear_opt(sb, INIT_INODE_TABLE);
break;
default:
struct completion *done; /* set if the caller waits */
};
-const char *wb_reason_name[] = {
- [WB_REASON_BACKGROUND] = "background",
- [WB_REASON_TRY_TO_FREE_PAGES] = "try_to_free_pages",
- [WB_REASON_SYNC] = "sync",
- [WB_REASON_PERIODIC] = "periodic",
- [WB_REASON_LAPTOP_TIMER] = "laptop_timer",
- [WB_REASON_FREE_MORE_MEM] = "free_more_memory",
- [WB_REASON_FS_FREE_SPACE] = "fs_free_space",
- [WB_REASON_FORKER_THREAD] = "forker_thread"
-};
-
/*
* Include the creation of the trace points after defining the
* wb_writeback_work structure so that the definition remains local to this
* bdi_start_writeback - start writeback
* @bdi: the backing device to write from
* @nr_pages: the number of pages to write
+ * @reason: reason why some writeback work was initiated
*
* Description:
* This does WB_SYNC_NONE opportunistic writeback. The IO is only
* writeback_inodes_sb_nr - writeback dirty inodes from given super_block
* @sb: the superblock
* @nr: the number of pages to write
+ * @reason: reason why some writeback work initiated
*
* Start writeback on some inodes on this super_block. No guarantees are made
* on how many (if any) will be written, and this function does not wait
/**
* writeback_inodes_sb - writeback dirty inodes from given super_block
* @sb: the superblock
+ * @reason: reason why some writeback work was initiated
*
* Start writeback on some inodes on this super_block. No guarantees are made
* on how many (if any) will be written, and this function does not wait
/**
* writeback_inodes_sb_if_idle - start writeback if none underway
* @sb: the superblock
+ * @reason: reason why some writeback work was initiated
*
* Invoke writeback_inodes_sb if no writeback is currently underway.
* Returns 1 if writeback was started, 0 if not.
* writeback_inodes_sb_if_idle - start writeback if none underway
* @sb: the superblock
* @nr: the number of pages to write
+ * @reason: reason why some writeback work was initiated
*
* Invoke writeback_inodes_sb if no writeback is currently underway.
* Returns 1 if writeback was started, 0 if not.
else if (outarg->offset + num > file_size)
num = file_size - outarg->offset;
- while (num) {
+ while (num && req->num_pages < FUSE_MAX_PAGES_PER_REQ) {
struct page *page;
unsigned int this_num;
num -= this_num;
total_len += this_num;
+ index++;
}
req->misc.retrieve_in.offset = outarg->offset;
req->misc.retrieve_in.size = total_len;
struct inode *inode = file->f_path.dentry->d_inode;
mutex_lock(&inode->i_mutex);
- if (origin != SEEK_CUR || origin != SEEK_SET) {
+ if (origin != SEEK_CUR && origin != SEEK_SET) {
retval = fuse_update_attributes(inode, NULL, file, NULL);
if (retval)
goto exit;
offset += i_size_read(inode);
break;
case SEEK_CUR:
+ if (offset == 0) {
+ retval = file->f_pos;
+ goto exit;
+ }
offset += file->f_pos;
break;
case SEEK_DATA:
{
int err;
- err = register_filesystem(&fuse_fs_type);
- if (err)
- goto out;
-
- err = register_fuseblk();
- if (err)
- goto out_unreg;
-
fuse_inode_cachep = kmem_cache_create("fuse_inode",
sizeof(struct fuse_inode),
0, SLAB_HWCACHE_ALIGN,
fuse_inode_init_once);
err = -ENOMEM;
if (!fuse_inode_cachep)
- goto out_unreg2;
+ goto out;
+
+ err = register_fuseblk();
+ if (err)
+ goto out2;
+
+ err = register_filesystem(&fuse_fs_type);
+ if (err)
+ goto out3;
return 0;
- out_unreg2:
+ out3:
unregister_fuseblk();
- out_unreg:
- unregister_filesystem(&fuse_fs_type);
+ out2:
+ kmem_cache_destroy(fuse_inode_cachep);
out:
return err;
}
error = bdi_setup_and_register(&server->bdi, "ncpfs", BDI_CAP_MAP_COPY);
if (error)
- goto out_bdi;
+ goto out_fput;
server->ncp_filp = ncp_filp;
server->ncp_sock = sock;
error = -EBADF;
server->info_filp = fget(data.info_fd);
if (!server->info_filp)
- goto out_fput;
+ goto out_bdi;
error = -ENOTSOCK;
sock_inode = server->info_filp->f_path.dentry->d_inode;
if (!S_ISSOCK(sock_inode->i_mode))
out_fput2:
if (server->info_filp)
fput(server->info_filp);
-out_fput:
- bdi_destroy(&server->bdi);
out_bdi:
+ bdi_destroy(&server->bdi);
+out_fput:
/* 23/12/1998 Marcin Dalecki <dalecki@cs.net.pl>:
*
* The previously used put_filp(ncp_filp); was bogus, since
* origin == SEEK_END || SEEK_DATA || SEEK_HOLE => we must revalidate
* the cached file length
*/
- if (origin != SEEK_SET || origin != SEEK_CUR) {
+ if (origin != SEEK_SET && origin != SEEK_CUR) {
struct inode *inode = filp->f_mapping->host;
int retval = nfs_revalidate_file_size(inode, filp);
#include <linux/delay.h>
#include <linux/errno.h>
#include <linux/string.h>
+#include <linux/ratelimit.h>
+#include <linux/printk.h>
#include <linux/slab.h>
#include <linux/sunrpc/clnt.h>
#include <linux/sunrpc/gss_api.h>
static int can_open_delegated(struct nfs_delegation *delegation, fmode_t fmode)
{
+ if (delegation == NULL)
+ return 0;
if ((delegation->type & fmode) != fmode)
return 0;
if (test_bit(NFS_DELEGATION_NEED_RECLAIM, &delegation->flags))
}
rcu_read_lock();
delegation = rcu_dereference(nfsi->delegation);
- if (delegation == NULL ||
- !can_open_delegated(delegation, fmode)) {
+ if (!can_open_delegated(delegation, fmode)) {
rcu_read_unlock();
break;
}
if (delegation)
delegation_flags = delegation->flags;
rcu_read_unlock();
- if ((delegation_flags & 1UL<<NFS_DELEGATION_NEED_RECLAIM) == 0)
+ if (data->o_arg.claim == NFS4_OPEN_CLAIM_DELEGATE_CUR) {
+ pr_err_ratelimited("NFS: Broken NFSv4 server %s is "
+ "returning a delegation for "
+ "OPEN(CLAIM_DELEGATE_CUR)\n",
+ NFS_CLIENT(inode)->cl_server);
+ } else if ((delegation_flags & 1UL<<NFS_DELEGATION_NEED_RECLAIM) == 0)
nfs_inode_set_delegation(state->inode,
data->owner->so_cred,
&data->o_res);
goto out_no_action;
rcu_read_lock();
delegation = rcu_dereference(NFS_I(data->state->inode)->delegation);
- if (delegation != NULL &&
- test_bit(NFS_DELEGATION_NEED_RECLAIM, &delegation->flags) == 0) {
- rcu_read_unlock();
- goto out_no_action;
- }
+ if (data->o_arg.claim != NFS4_OPEN_CLAIM_DELEGATE_CUR &&
+ can_open_delegated(delegation, data->o_arg.fmode))
+ goto unlock_no_action;
rcu_read_unlock();
}
/* Update sequence id. */
return;
rpc_call_start(task);
return;
+unlock_no_action:
+ rcu_read_unlock();
out_no_action:
task->tk_action = NULL;
if (status >= 0) {
status = nfs4_reclaim_locks(state, ops);
if (status >= 0) {
+ spin_lock(&state->state_lock);
list_for_each_entry(lock, &state->lock_states, ls_locks) {
if (!(lock->ls_flags & NFS_LOCK_INITIALIZED))
printk("%s: Lock reclaim failed!\n",
__func__);
}
+ spin_unlock(&state->state_lock);
nfs4_put_open_state(state);
goto restart;
}
clear_bit(NFS_O_RDONLY_STATE, &state->flags);
clear_bit(NFS_O_WRONLY_STATE, &state->flags);
clear_bit(NFS_O_RDWR_STATE, &state->flags);
+ spin_lock(&state->state_lock);
list_for_each_entry(lock, &state->lock_states, ls_locks) {
lock->ls_seqid.flags = 0;
lock->ls_flags &= ~NFS_LOCK_INITIALIZED;
}
+ spin_unlock(&state->state_lock);
}
static void nfs4_reset_seqids(struct nfs_server *server,
static int nfs4_recovery_handle_error(struct nfs_client *clp, int error)
{
switch (error) {
+ case 0:
+ break;
case -NFS4ERR_CB_PATH_DOWN:
nfs_handle_cb_pathdown(clp);
- return 0;
+ break;
case -NFS4ERR_NO_GRACE:
nfs4_state_end_reclaim_reboot(clp);
- return 0;
+ break;
case -NFS4ERR_STALE_CLIENTID:
case -NFS4ERR_LEASE_MOVED:
set_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state);
case -NFS4ERR_SEQ_MISORDERED:
set_bit(NFS4CLNT_SESSION_RESET, &clp->cl_state);
/* Zero session reset errors */
- return 0;
+ break;
case -EKEYEXPIRED:
/* Nothing we can do */
nfs4_warn_keyexpired(clp->cl_hostname);
- return 0;
+ break;
+ default:
+ return error;
}
- return error;
+ return 0;
}
static int nfs4_do_reclaim(struct nfs_client *clp, const struct nfs4_state_recovery_ops *ops)
struct rpc_cred *cred;
const struct nfs4_state_maintenance_ops *ops =
clp->cl_mvops->state_renewal_ops;
- int status = -NFS4ERR_EXPIRED;
+ int status;
/* Is the client already known to have an expired lease? */
if (test_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state))
spin_unlock(&clp->cl_lock);
if (cred == NULL) {
cred = nfs4_get_setclientid_cred(clp);
+ status = -ENOKEY;
if (cred == NULL)
goto out;
}
{
if (!flags)
return;
- else if (flags & SEQ4_STATUS_RESTART_RECLAIM_NEEDED)
+ if (flags & SEQ4_STATUS_RESTART_RECLAIM_NEEDED)
nfs41_handle_server_reboot(clp);
- else if (flags & (SEQ4_STATUS_EXPIRED_ALL_STATE_REVOKED |
+ if (flags & (SEQ4_STATUS_EXPIRED_ALL_STATE_REVOKED |
SEQ4_STATUS_EXPIRED_SOME_STATE_REVOKED |
SEQ4_STATUS_ADMIN_STATE_REVOKED |
SEQ4_STATUS_LEASE_MOVED))
nfs41_handle_state_revoked(clp);
- else if (flags & SEQ4_STATUS_RECALLABLE_STATE_REVOKED)
+ if (flags & SEQ4_STATUS_RECALLABLE_STATE_REVOKED)
nfs41_handle_recallable_state_revoked(clp);
- else if (flags & (SEQ4_STATUS_CB_PATH_DOWN |
+ if (flags & (SEQ4_STATUS_CB_PATH_DOWN |
SEQ4_STATUS_BACKCHANNEL_FAULT |
SEQ4_STATUS_CB_PATH_DOWN_SESSION))
nfs41_handle_cb_path_down(clp);
if (test_and_clear_bit(NFS4CLNT_CHECK_LEASE, &clp->cl_state)) {
status = nfs4_check_lease(clp);
+ if (status < 0)
+ goto out_error;
if (test_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state))
continue;
- if (status < 0 && status != -NFS4ERR_CB_PATH_DOWN)
- goto out_error;
}
/* Initialize or reset the session */
if (argv[n].v_nmembs > nsegs * nilfs->ns_blocks_per_segment)
goto out_free;
+ if (argv[n].v_nmembs >= UINT_MAX / argv[n].v_size)
+ goto out_free;
+
len = argv[n].v_size * argv[n].v_nmembs;
base = (void __user *)(unsigned long)argv[n].v_base;
if (len == 0) {
case FS_IOC32_GETVERSION:
cmd = FS_IOC_GETVERSION;
break;
+ case NILFS_IOCTL_CHANGE_CPMODE:
+ case NILFS_IOCTL_DELETE_CHECKPOINT:
+ case NILFS_IOCTL_GET_CPINFO:
+ case NILFS_IOCTL_GET_CPSTAT:
+ case NILFS_IOCTL_GET_SUINFO:
+ case NILFS_IOCTL_GET_SUSTAT:
+ case NILFS_IOCTL_GET_VINFO:
+ case NILFS_IOCTL_GET_BDESCS:
+ case NILFS_IOCTL_CLEAN_SEGMENTS:
+ case NILFS_IOCTL_SYNC:
+ case NILFS_IOCTL_RESIZE:
+ case NILFS_IOCTL_SET_ALLOC_RANGE:
+ break;
default:
return -ENOIOCTLCMD;
}
void __init proc_root_init(void)
{
- struct vfsmount *mnt;
int err;
proc_init_inodecache();
err = register_filesystem(&proc_fs_type);
if (err)
return;
- mnt = kern_mount_data(&proc_fs_type, &init_pid_ns);
- if (IS_ERR(mnt)) {
+ err = pid_ns_prepare_proc(&init_pid_ns);
+ if (err) {
unregister_filesystem(&proc_fs_type);
return;
}
- init_pid_ns.proc_mnt = mnt;
proc_symlink("mounts", NULL, "self/mounts");
proc_net_init();
void pid_ns_release_proc(struct pid_namespace *ns)
{
- mntput(ns->proc_mnt);
+ kern_unmount(ns->proc_mnt);
}
return -EINVAL;
}
- err = register_filesystem(&ubifs_fs_type);
- if (err) {
- ubifs_err("cannot register file system, error %d", err);
- return err;
- }
-
- err = -ENOMEM;
ubifs_inode_slab = kmem_cache_create("ubifs_inode_slab",
sizeof(struct ubifs_inode), 0,
SLAB_MEM_SPREAD | SLAB_RECLAIM_ACCOUNT,
&inode_slab_ctor);
if (!ubifs_inode_slab)
- goto out_reg;
+ return -ENOMEM;
register_shrinker(&ubifs_shrinker_info);
if (err)
goto out_compr;
+ err = register_filesystem(&ubifs_fs_type);
+ if (err) {
+ ubifs_err("cannot register file system, error %d", err);
+ goto out_dbg;
+ }
return 0;
+out_dbg:
+ dbg_debugfs_exit();
out_compr:
ubifs_compressors_exit();
out_shrinker:
unregister_shrinker(&ubifs_shrinker_info);
kmem_cache_destroy(ubifs_inode_slab);
-out_reg:
- unregister_filesystem(&ubifs_fs_type);
return err;
}
/* late_initcall to let compressors initialize first */
{0x1002, 0x6748, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6749, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6750, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
+ {0x1002, 0x6751, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6758, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6759, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
+ {0x1002, 0x675B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
+ {0x1002, 0x675D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
{0x1002, 0x675F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6760, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6761, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6767, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6768, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6770, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \
+ {0x1002, 0x6772, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6778, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6779, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \
+ {0x1002, 0x677B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6840, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6841, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6842, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
{0x1002, 0x68f2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CEDAR|RADEON_NEW_MEMMAP}, \
{0x1002, 0x68f8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CEDAR|RADEON_NEW_MEMMAP}, \
{0x1002, 0x68f9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CEDAR|RADEON_NEW_MEMMAP}, \
+ {0x1002, 0x68fa, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CEDAR|RADEON_NEW_MEMMAP}, \
{0x1002, 0x68fe, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CEDAR|RADEON_NEW_MEMMAP}, \
{0x1002, 0x7100, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R520|RADEON_NEW_MEMMAP}, \
{0x1002, 0x7101, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R520|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
{0x1002, 0x9647, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP},\
{0x1002, 0x9648, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP},\
{0x1002, 0x964a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
+ {0x1002, 0x964b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
+ {0x1002, 0x964c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
{0x1002, 0x964e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP},\
{0x1002, 0x964f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP},\
{0x1002, 0x9710, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS880|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
{0x1002, 0x9805, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PALM|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
{0x1002, 0x9806, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PALM|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
{0x1002, 0x9807, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PALM|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
+ {0x1002, 0x9808, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PALM|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
+ {0x1002, 0x9809, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PALM|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
{0, 0, 0}
#define r128_PCI_IDS \
unsigned gpio_base;
/* number of the first IRQ.
- * If the IRQ functionality in not desired this must be set to NO_IRQ.
+ * If the IRQ functionality in not desired this must be set to 0.
*/
unsigned irq_base;
*/
extern struct request_queue *blk_init_queue_node(request_fn_proc *rfn,
spinlock_t *lock, int node_id);
-extern struct request_queue *blk_init_allocated_queue_node(struct request_queue *,
- request_fn_proc *,
- spinlock_t *, int node_id);
extern struct request_queue *blk_init_queue(request_fn_proc *, spinlock_t *);
extern struct request_queue *blk_init_allocated_queue(struct request_queue *,
request_fn_proc *, spinlock_t *);
/**
* cyclecounter_cyc2ns - converts cycle counter cycles to nanoseconds
- * @tc: Pointer to cycle counter.
+ * @cc: Pointer to cycle counter.
* @cycles: Cycles
*
* XXX - This could use some mult_lxl_ll() asm optimization. Same code
* time base as values returned by
* timecounter_read()
* @tc: Pointer to time counter.
- * @cycle: a value returned by tc->cc->read()
+ * @cycle_tstamp: a value returned by tc->cc->read()
*
* Cycle counts that are converted correctly as long as they
* fall into the interval [-1/2 max cycle count, +1/2 max cycle count],
* @mult: cycle to nanosecond multiplier
* @shift: cycle to nanosecond divisor (power of two)
* @max_idle_ns: max idle time permitted by the clocksource (nsecs)
- * @maxadj maximum adjustment value to mult (~11%)
+ * @maxadj: maximum adjustment value to mult (~11%)
* @flags: flags describing special properties
* @archdata: arch-specific data
* @suspend: suspend function for the clocksource, if necessary
* @resume: resume function for the clocksource, if necessary
+ * @cycle_last: most recent cycle counter value seen by ::read()
*/
struct clocksource {
/*
void (*suspend)(struct clocksource *cs);
void (*resume)(struct clocksource *cs);
+ /* private: */
#ifdef CONFIG_CLOCKSOURCE_WATCHDOG
/* Watchdog related data, used by the framework */
struct list_head wd_list;
/**
* clocksource_cyc2ns - converts clocksource cycles to nanoseconds
+ * @cycles: cycles
+ * @mult: cycle to nanosecond multiplier
+ * @shift: cycle to nanosecond divisor (power of two)
*
* Converts cycles to nanoseconds, using the given mult and shift.
*
extern int iommu_calculate_agaw(struct intel_iommu *iommu);
extern int iommu_calculate_max_sagaw(struct intel_iommu *iommu);
extern int dmar_disabled;
+extern int intel_iommu_enabled;
#else
static inline int iommu_calculate_agaw(struct intel_iommu *iommu)
{
{
}
#define dmar_disabled (1)
+#define intel_iommu_enabled (0)
#endif
#include <linux/spinlock.h>
#include <linux/lockdep.h>
#include <linux/percpu.h>
+#include <linux/cpu.h>
/* can make br locks by using local lock for read side, global lock for write */
#define br_lock_init(name) name##_lock_init()
#define DEFINE_LGLOCK(name) \
\
+ DEFINE_SPINLOCK(name##_cpu_lock); \
+ cpumask_t name##_cpus __read_mostly; \
DEFINE_PER_CPU(arch_spinlock_t, name##_lock); \
DEFINE_LGLOCK_LOCKDEP(name); \
\
+ static int \
+ name##_lg_cpu_callback(struct notifier_block *nb, \
+ unsigned long action, void *hcpu) \
+ { \
+ switch (action & ~CPU_TASKS_FROZEN) { \
+ case CPU_UP_PREPARE: \
+ spin_lock(&name##_cpu_lock); \
+ cpu_set((unsigned long)hcpu, name##_cpus); \
+ spin_unlock(&name##_cpu_lock); \
+ break; \
+ case CPU_UP_CANCELED: case CPU_DEAD: \
+ spin_lock(&name##_cpu_lock); \
+ cpu_clear((unsigned long)hcpu, name##_cpus); \
+ spin_unlock(&name##_cpu_lock); \
+ } \
+ return NOTIFY_OK; \
+ } \
+ static struct notifier_block name##_lg_cpu_notifier = { \
+ .notifier_call = name##_lg_cpu_callback, \
+ }; \
void name##_lock_init(void) { \
int i; \
LOCKDEP_INIT_MAP(&name##_lock_dep_map, #name, &name##_lock_key, 0); \
lock = &per_cpu(name##_lock, i); \
*lock = (arch_spinlock_t)__ARCH_SPIN_LOCK_UNLOCKED; \
} \
+ register_hotcpu_notifier(&name##_lg_cpu_notifier); \
+ get_online_cpus(); \
+ for_each_online_cpu(i) \
+ cpu_set(i, name##_cpus); \
+ put_online_cpus(); \
} \
EXPORT_SYMBOL(name##_lock_init); \
\
\
void name##_global_lock_online(void) { \
int i; \
- preempt_disable(); \
+ spin_lock(&name##_cpu_lock); \
rwlock_acquire(&name##_lock_dep_map, 0, 0, _RET_IP_); \
- for_each_online_cpu(i) { \
+ for_each_cpu(i, &name##_cpus) { \
arch_spinlock_t *lock; \
lock = &per_cpu(name##_lock, i); \
arch_spin_lock(lock); \
void name##_global_unlock_online(void) { \
int i; \
rwlock_release(&name##_lock_dep_map, 1, _RET_IP_); \
- for_each_online_cpu(i) { \
+ for_each_cpu(i, &name##_cpus) { \
arch_spinlock_t *lock; \
lock = &per_cpu(name##_lock, i); \
arch_spin_unlock(lock); \
} \
- preempt_enable(); \
+ spin_unlock(&name##_cpu_lock); \
} \
EXPORT_SYMBOL(name##_global_unlock_online); \
\
#define rounddown_pow_of_two(n) \
( \
__builtin_constant_p(n) ? ( \
- (n == 1) ? 0 : \
(1UL << ilog2(n))) : \
__rounddown_pow_of_two(n) \
)
#define MMC_QUIRK_INAND_CMD38 (1<<6) /* iNAND devices have broken CMD38 */
#define MMC_QUIRK_BLK_NO_CMD23 (1<<7) /* Avoid CMD23 for regular multiblock */
#define MMC_QUIRK_BROKEN_BYTE_MODE_512 (1<<8) /* Avoid sending 512 bytes in */
+#define MMC_QUIRK_LONG_READ_TIME (1<<9) /* Data read time > CSD says */
/* byte mode */
unsigned int poweroff_notify_state; /* eMMC4.5 notify feature */
#define MMC_NO_POWER_NOTIFICATION 0
return c->quirks & MMC_QUIRK_BROKEN_BYTE_MODE_512;
}
+static inline int mmc_card_long_read_time(const struct mmc_card *c)
+{
+ return c->quirks & MMC_QUIRK_LONG_READ_TIME;
+}
+
#define mmc_card_name(c) ((c)->cid.prod_name)
#define mmc_card_id(c) (dev_name(&(c)->dev))
static inline struct video_device *soc_camera_i2c_to_vdev(const struct i2c_client *client)
{
struct v4l2_subdev *sd = i2c_get_clientdata(client);
- struct soc_camera_device *icd = (struct soc_camera_device *)sd->grp_id;
+ struct soc_camera_device *icd = v4l2_get_subdev_hostdata(sd);
return icd ? icd->vdev : NULL;
}
return container_of(vq, struct soc_camera_device, vb_vidq);
}
+static inline u32 soc_camera_grp_id(const struct soc_camera_device *icd)
+{
+ return (icd->iface << 8) | (icd->devnum + 1);
+}
+
void soc_camera_lock(struct vb2_queue *vq);
void soc_camera_unlock(struct vb2_queue *vq);
#define DST_NOHASH 0x0008
#define DST_NOCACHE 0x0010
#define DST_NOCOUNT 0x0020
+#define DST_NOPEER 0x0040
short error;
short obsolete;
u8 dir, flow_resolve_t resolver, void *ctx);
extern void flow_cache_flush(void);
+extern void flow_cache_flush_deferred(void);
extern atomic_t flow_cache_genid;
#endif
* bits is an indicator of when to send and window update SACK.
*/
int rwnd_update_shift;
+
+ /* Threshold for autoclose timeout, in seconds. */
+ unsigned long max_autoclose;
} sctp_globals;
#define sctp_rto_initial (sctp_globals.rto_initial)
#define sctp_auth_enable (sctp_globals.auth_enable)
#define sctp_checksum_disable (sctp_globals.checksum_disable)
#define sctp_rwnd_upd_shift (sctp_globals.rwnd_update_shift)
+#define sctp_max_autoclose (sctp_globals.max_autoclose)
/* SCTP Socket type: UDP or TCP style. */
typedef enum {
/*
* Take into account size of receive queue and backlog queue
+ * Do not take into account this skb truesize,
+ * to allow even a single big packet to come.
*/
static inline bool sk_rcvqueues_full(const struct sock *sk, const struct sk_buff *skb)
{
unsigned int qsize = sk->sk_backlog.len + atomic_read(&sk->sk_rmem_alloc);
- return qsize + skb->truesize > sk->sk_rcvbuf;
+ return qsize > sk->sk_rcvbuf;
}
/* The per-socket spinlock must be held here. */
u8 map_dest;
u8 spma;
u8 probe_tries;
+ u8 priority;
u8 dest_addr[ETH_ALEN];
u8 ctl_src_addr[ETH_ALEN];
* @lport: The associated local port
* @fcoe_pending_queue: The pending Rx queue of skbs
* @fcoe_pending_queue_active: Indicates if the pending queue is active
+ * @priority: Packet priority (DCB)
* @max_queue_depth: Max queue depth of pending queue
* @min_queue_depth: Min queue depth of pending queue
* @timer: The queue timer
struct fc_lport *lport;
struct sk_buff_head fcoe_pending_queue;
u8 fcoe_pending_queue_active;
+ u8 priority;
u32 max_queue_depth;
u32 min_queue_depth;
struct timer_list timer;
{I_REFERENCED, "I_REFERENCED"} \
)
+#define WB_WORK_REASON \
+ {WB_REASON_BACKGROUND, "background"}, \
+ {WB_REASON_TRY_TO_FREE_PAGES, "try_to_free_pages"}, \
+ {WB_REASON_SYNC, "sync"}, \
+ {WB_REASON_PERIODIC, "periodic"}, \
+ {WB_REASON_LAPTOP_TIMER, "laptop_timer"}, \
+ {WB_REASON_FREE_MORE_MEM, "free_more_memory"}, \
+ {WB_REASON_FS_FREE_SPACE, "fs_free_space"}, \
+ {WB_REASON_FORKER_THREAD, "forker_thread"}
+
struct wb_writeback_work;
DECLARE_EVENT_CLASS(writeback_work_class,
__entry->for_kupdate,
__entry->range_cyclic,
__entry->for_background,
- wb_reason_name[__entry->reason]
+ __print_symbolic(__entry->reason, WB_WORK_REASON)
)
);
#define DEFINE_WRITEBACK_WORK_EVENT(name) \
__entry->older, /* older_than_this in jiffies */
__entry->age, /* older_than_this in relative milliseconds */
__entry->moved,
- wb_reason_name[__entry->reason])
+ __print_symbolic(__entry->reason, WB_WORK_REASON)
+ )
);
TRACE_EVENT(global_dirty_state,
XS_IS_DOMAIN_INTRODUCED,
XS_RESUME,
XS_SET_TARGET,
- XS_RESTRICT,
- XS_RESET_WATCHES
+ XS_RESTRICT
};
#define XS_WRITE_NONE "NONE"
void mq_put_mnt(struct ipc_namespace *ns)
{
- mntput(ns->mq_mnt);
+ kern_unmount(ns->mq_mnt);
}
static int __init init_mqueue_fs(void)
spin_lock_init(&mq_lock);
- init_ipc_ns.mq_mnt = kern_mount_data(&mqueue_fs_type, &init_ipc_ns);
- if (IS_ERR(init_ipc_ns.mq_mnt)) {
- error = PTR_ERR(init_ipc_ns.mq_mnt);
+ error = mq_init_ns(&init_ipc_ns);
+ if (error)
goto out_filesystem;
- }
return 0;
*/
struct ipc_namespace init_ipc_ns = {
.count = ATOMIC_INIT(1),
-#ifdef CONFIG_POSIX_MQUEUE
- .mq_queues_max = DFLT_QUEUESMAX,
- .mq_msg_max = DFLT_MSGMAX,
- .mq_msgsize_max = DFLT_MSGSIZEMAX,
-#endif
.user_ns = &init_user_ns,
};
continue;
/* get old css_set pointer */
task_lock(tsk);
- if (tsk->flags & PF_EXITING) {
- /* ignore this task if it's going away */
- task_unlock(tsk);
- continue;
- }
oldcg = tsk->cgroups;
get_css_set(oldcg);
task_unlock(tsk);
struct cpuset, css);
}
+#ifdef CONFIG_NUMA
+static inline bool task_has_mempolicy(struct task_struct *task)
+{
+ return task->mempolicy;
+}
+#else
+static inline bool task_has_mempolicy(struct task_struct *task)
+{
+ return false;
+}
+#endif
+
+
/* bits in struct cpuset flags field */
typedef enum {
CS_CPU_EXCLUSIVE,
static void cpuset_change_task_nodemask(struct task_struct *tsk,
nodemask_t *newmems)
{
- bool masks_disjoint = !nodes_intersects(*newmems, tsk->mems_allowed);
+ bool need_loop;
repeat:
/*
return;
task_lock(tsk);
+ /*
+ * Determine if a loop is necessary if another thread is doing
+ * get_mems_allowed(). If at least one node remains unchanged and
+ * tsk does not have a mempolicy, then an empty nodemask will not be
+ * possible when mems_allowed is larger than a word.
+ */
+ need_loop = task_has_mempolicy(tsk) ||
+ !nodes_intersects(*newmems, tsk->mems_allowed);
nodes_or(tsk->mems_allowed, tsk->mems_allowed, *newmems);
mpol_rebind_task(tsk, newmems, MPOL_REBIND_STEP1);
/*
* Allocation of memory is very fast, we needn't sleep when waiting
- * for the read-side. No wait is necessary, however, if at least one
- * node remains unchanged.
+ * for the read-side.
*/
- while (masks_disjoint &&
- ACCESS_ONCE(tsk->mems_allowed_change_disable)) {
+ while (need_loop && ACCESS_ONCE(tsk->mems_allowed_change_disable)) {
task_unlock(tsk);
if (!task_curr(tsk))
yield();
rcu_read_lock();
rb = rcu_dereference(event->rb);
- list_for_each_entry_rcu(event, &rb->event_list, rb_entry) {
+ if (!rb)
+ goto unlock;
+
+ list_for_each_entry_rcu(event, &rb->event_list, rb_entry)
wake_up_all(&event->waitq);
- }
+
+unlock:
rcu_read_unlock();
}
if (!smt && (sd->flags & SD_SHARE_CPUPOWER))
continue;
- if (!(sd->flags & SD_SHARE_PKG_RESOURCES)) {
- if (!smt) {
- smt = 1;
- goto again;
- }
+ if (smt && !(sd->flags & SD_SHARE_CPUPOWER))
+ break;
+
+ if (!(sd->flags & SD_SHARE_PKG_RESOURCES))
break;
- }
sg = sd->groups;
do {
sg = sg->next;
} while (sg != sd->groups);
}
+ if (!smt) {
+ smt = 1;
+ goto again;
+ }
done:
rcu_read_unlock();
fput(file);
out_putname:
- putname(pathname);
+ __putname(pathname);
out:
return result;
}
/**
* __clocksource_updatefreq_scale - Used update clocksource with new freq
- * @t: clocksource to be registered
+ * @cs: clocksource to be registered
* @scale: Scale factor multiplied against freq to get clocksource hz
* @freq: clocksource frequency (cycles per second) divided by scale
*
/**
* __clocksource_register_scale - Used to install new clocksources
- * @t: clocksource to be registered
+ * @cs: clocksource to be registered
* @scale: Scale factor multiplied against freq to get clocksource hz
* @freq: clocksource frequency (cycles per second) divided by scale
*
/**
* clocksource_register - Used to install new clocksources
- * @t: clocksource to be registered
+ * @cs: clocksource to be registered
*
* Returns -EBUSY if registration fails, zero otherwise.
*/
/**
* clocksource_change_rating - Change the rating of a registered clocksource
+ * @cs: clocksource to be changed
+ * @rating: new rating
*/
void clocksource_change_rating(struct clocksource *cs, int rating)
{
/**
* clocksource_unregister - remove a registered clocksource
+ * @cs: clocksource to be unregistered
*/
void clocksource_unregister(struct clocksource *cs)
{
/**
* sysfs_show_current_clocksources - sysfs interface for current clocksource
* @dev: unused
+ * @attr: unused
* @buf: char buffer to be filled with clocksource list
*
* Provides sysfs interface for listing current clocksource.
/**
* sysfs_override_clocksource - interface for manually overriding clocksource
* @dev: unused
+ * @attr: unused
* @buf: name of override clocksource
* @count: length of buffer
*
/**
* sysfs_show_available_clocksources - sysfs interface for listing clocksource
* @dev: unused
+ * @attr: unused
* @buf: char buffer to be filled with clocksource list
*
* Provides sysfs interface for listing registered clocksources
page = __page_cache_alloc(gfp | __GFP_COLD);
if (!page)
return ERR_PTR(-ENOMEM);
- err = add_to_page_cache_lru(page, mapping, index, GFP_KERNEL);
+ err = add_to_page_cache_lru(page, mapping, index, gfp);
if (unlikely(err)) {
page_cache_release(page);
if (err == -EEXIST)
* @gfp: the page allocator flags to use if allocating
*
* This is the same as "read_mapping_page(mapping, index, NULL)", but with
- * any new page allocations done using the specified allocation flags. Note
- * that the Radix tree operations will still use GFP_KERNEL, so you can't
- * expect to do this atomically or anything like that - but you can pass in
- * other page requirements.
+ * any new page allocations done using the specified allocation flags.
*
* If the page does not get brought uptodate, return -EIO.
*/
iov_iter_count(i));
again:
-
/*
* Bring in the user page that we will copy from _first_.
* Otherwise there's a nasty deadlock on copying from the
written += copied;
balance_dirty_pages_ratelimited(mapping);
-
+ if (fatal_signal_pending(current)) {
+ status = -EINTR;
+ break;
+ }
} while (iov_iter_count(i));
return written ? written : status;
int cpu;
enable_swap_cgroup();
parent = NULL;
- root_mem_cgroup = memcg;
if (mem_cgroup_soft_limit_tree_init())
goto free_out;
+ root_mem_cgroup = memcg;
for_each_possible_cpu(cpu) {
struct memcg_stock_pcp *stock =
&per_cpu(memcg_stock, cpu);
return &memcg->css;
free_out:
__mem_cgroup_free(memcg);
- root_mem_cgroup = NULL;
return ERR_PTR(error);
}
unsigned int oom_badness(struct task_struct *p, struct mem_cgroup *mem,
const nodemask_t *nodemask, unsigned long totalpages)
{
- int points;
+ long points;
if (oom_unkillable_task(p, mem, nodemask))
return 0;
*
* Returns @bdi's dirty limit in pages. The term "dirty" in the context of
* dirty balancing includes all PG_dirty, PG_writeback and NFS unstable pages.
- * And the "limit" in the name is not seriously taken as hard limit in
- * balance_dirty_pages().
+ *
+ * Note that balance_dirty_pages() will only seriously take it as a hard limit
+ * when sleeping max_pause per page is not enough to keep the dirty pages under
+ * control. For example, when the device is completely stalled due to some error
+ * conditions, or when there are 1000 dd tasks writing to a slow 10MB/s USB key.
+ * In the other normal situations, it acts more gently by throttling the tasks
+ * more (rather than completely block them) when the bdi dirty pages go high.
*
* It allocates high/low dirty limits to fast/slow devices, in order to prevent
* - starving fast devices
*/
if (unlikely(bdi_thresh > thresh))
bdi_thresh = thresh;
+ /*
+ * It's very possible that bdi_thresh is close to 0 not because the
+ * device is slow, but that it has remained inactive for long time.
+ * Honour such devices a reasonable good (hopefully IO efficient)
+ * threshold, so that the occasional writes won't be blocked and active
+ * writes can rampup the threshold quickly.
+ */
bdi_thresh = max(bdi_thresh, (limit - dirty) / 8);
/*
* scale global setpoint to bdi's:
*
* 8 serves as the safety ratio.
*/
- if (bdi_dirty)
- t = min(t, bdi_dirty * HZ / (8 * bw + 1));
+ t = min(t, bdi_dirty * HZ / (8 * bw + 1));
/*
* The pause time will be settled within range (max_pause/4, max_pause).
if (task_ratelimit)
break;
+ /*
+ * In the case of an unresponding NFS server and the NFS dirty
+ * pages exceeds dirty_thresh, give the other good bdi's a pipe
+ * to go through, so that tasks on them still remain responsive.
+ *
+ * In theory 1 page is enough to keep the comsumer-producer
+ * pipe going: the flusher cleans 1 page => the task dirties 1
+ * more page. However bdi_dirty has accounting errors. So use
+ * the larger and more IO friendly bdi_stat_error.
+ */
+ if (bdi_dirty <= bdi_stat_error(bdi))
+ break;
+
if (fatal_signal_pending(current))
break;
}
if (!is_vmalloc_addr(addr))
return __pa(addr);
else
- return page_to_phys(vmalloc_to_page(addr));
+ return page_to_phys(vmalloc_to_page(addr)) +
+ offset_in_page(addr);
} else
- return page_to_phys(pcpu_addr_to_page(addr));
+ return page_to_phys(pcpu_addr_to_page(addr)) +
+ offset_in_page(addr);
}
/**
unsigned long align, unsigned long flags, unsigned long start,
unsigned long end, int node, gfp_t gfp_mask, void *caller)
{
- static struct vmap_area *va;
+ struct vmap_area *va;
struct vm_struct *area;
BUG_ON(in_interrupt());
if (tt_global_entry) {
/* This node is probably going to update its tt table */
tt_global_entry->orig_node->tt_poss_change = true;
- /* The global entry has to be marked as PENDING and has to be
+ /* The global entry has to be marked as ROAMING and has to be
* kept for consistency purpose */
- tt_global_entry->flags |= TT_CLIENT_PENDING;
+ tt_global_entry->flags |= TT_CLIENT_ROAM;
+ tt_global_entry->roam_at = jiffies;
+
send_roam_adv(bat_priv, tt_global_entry->addr,
tt_global_entry->orig_node);
}
const char *message, bool roaming)
{
struct tt_global_entry *tt_global_entry = NULL;
+ struct tt_local_entry *tt_local_entry = NULL;
tt_global_entry = tt_global_hash_find(bat_priv, addr);
if (!tt_global_entry)
if (tt_global_entry->orig_node == orig_node) {
if (roaming) {
- tt_global_entry->flags |= TT_CLIENT_ROAM;
- tt_global_entry->roam_at = jiffies;
- goto out;
+ /* if we are deleting a global entry due to a roam
+ * event, there are two possibilities:
+ * 1) the client roamed from node A to node B => we mark
+ * it with TT_CLIENT_ROAM, we start a timer and we
+ * wait for node B to claim it. In case of timeout
+ * the entry is purged.
+ * 2) the client roamed to us => we can directly delete
+ * the global entry, since it is useless now. */
+ tt_local_entry = tt_local_hash_find(bat_priv,
+ tt_global_entry->addr);
+ if (!tt_local_entry) {
+ tt_global_entry->flags |= TT_CLIENT_ROAM;
+ tt_global_entry->roam_at = jiffies;
+ goto out;
+ }
}
_tt_global_del(bat_priv, tt_global_entry, message);
}
out:
if (tt_global_entry)
tt_global_entry_free_ref(tt_global_entry);
+ if (tt_local_entry)
+ tt_local_entry_free_ref(tt_local_entry);
}
void tt_global_del_orig(struct bat_priv *bat_priv,
static void __bnep_link_session(struct bnep_session *s)
{
- /* It's safe to call __module_get() here because sessions are added
- by the socket layer which has to hold the reference to this module.
- */
- __module_get(THIS_MODULE);
list_add(&s->list, &bnep_session_list);
}
static void __bnep_unlink_session(struct bnep_session *s)
{
list_del(&s->list);
- module_put(THIS_MODULE);
}
static int bnep_send(struct bnep_session *s, void *data, size_t len)
up_write(&bnep_session_sem);
free_netdev(dev);
+ module_put_and_exit(0);
return 0;
}
__bnep_link_session(s);
+ __module_get(THIS_MODULE);
s->task = kthread_run(bnep_session, s, "kbnepd %s", dev->name);
if (IS_ERR(s->task)) {
/* Session thread start failed, gotta cleanup. */
+ module_put(THIS_MODULE);
unregister_netdev(dev);
__bnep_unlink_session(s);
err = PTR_ERR(s->task);
static void __cmtp_link_session(struct cmtp_session *session)
{
- __module_get(THIS_MODULE);
list_add(&session->list, &cmtp_session_list);
}
static void __cmtp_unlink_session(struct cmtp_session *session)
{
list_del(&session->list);
- module_put(THIS_MODULE);
}
static void __cmtp_copy_session(struct cmtp_session *session, struct cmtp_conninfo *ci)
up_write(&cmtp_session_sem);
kfree(session);
+ module_put_and_exit(0);
return 0;
}
__cmtp_link_session(session);
+ __module_get(THIS_MODULE);
session->task = kthread_run(cmtp_session, session, "kcmtpd_ctr_%d",
session->num);
if (IS_ERR(session->task)) {
+ module_put(THIS_MODULE);
err = PTR_ERR(session->task);
goto unlink;
}
goto encrypt;
auth:
- if (test_and_set_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
+ if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
return 0;
if (!hci_conn_auth(conn, sec_level, auth_type))
{
hci_setup_event_mask(hdev);
- if (hdev->lmp_ver > 1)
+ if (hdev->hci_ver > 1)
hci_send_cmd(hdev, HCI_OP_READ_LOCAL_COMMANDS, 0, NULL);
if (hdev->features[6] & LMP_SIMPLE_PAIR) {
void *ptr = req->data;
int type, olen;
unsigned long val;
- struct l2cap_conf_rfc rfc;
+ struct l2cap_conf_rfc rfc = { .mode = L2CAP_MODE_BASIC };
BT_DBG("chan %p, rsp %p, len %d, req %p", chan, rsp, len, data);
}
}
+ /* Use sane default values in case a misbehaving remote device
+ * did not send an RFC option.
+ */
+ rfc.mode = chan->mode;
+ rfc.retrans_timeout = cpu_to_le16(L2CAP_DEFAULT_RETRANS_TO);
+ rfc.monitor_timeout = cpu_to_le16(L2CAP_DEFAULT_MONITOR_TO);
+ rfc.max_pdu_size = cpu_to_le16(chan->imtu);
+
+ BT_ERR("Expected RFC option was not found, using defaults");
+
done:
switch (rfc.mode) {
case L2CAP_MODE_ERTM:
if (list_empty(&s->dlcs)) {
s->state = BT_DISCONN;
rfcomm_send_disc(s, 0);
+ rfcomm_session_clear_timer(s);
}
break;
return NULL;
}
+static unsigned int fake_mtu(const struct dst_entry *dst)
+{
+ return dst->dev->mtu;
+}
+
static struct dst_ops fake_dst_ops = {
.family = AF_INET,
.protocol = cpu_to_be16(ETH_P_IP),
.update_pmtu = fake_update_pmtu,
.cow_metrics = fake_cow_metrics,
.neigh_lookup = fake_neigh_lookup,
+ .mtu = fake_mtu,
};
/*
rt->dst.dev = br->dev;
rt->dst.path = &rt->dst;
dst_init_metrics(&rt->dst, br_dst_default_metrics, true);
- rt->dst.flags = DST_NOXFRM;
+ rt->dst.flags = DST_NOXFRM | DST_NOPEER;
rt->dst.ops = &fake_dst_ops;
}
int i, j;
int numrep;
int firstn;
- int rc = -1;
BUG_ON(ruleno >= map->max_rules);
* that this may or may not correspond to the specific types
* referenced by the crush rule.
*/
- if (force >= 0) {
- if (force >= map->max_devices ||
- map->device_parents[force] == 0) {
- /*dprintk("CRUSH: forcefed device dne\n");*/
- rc = -1; /* force fed device dne */
- goto out;
- }
- if (!is_out(map, weight, force, x)) {
- while (1) {
- force_context[++force_pos] = force;
- if (force >= 0)
- force = map->device_parents[force];
- else
- force = map->bucket_parents[-1-force];
- if (force == 0)
- break;
- }
+ if (force >= 0 &&
+ force < map->max_devices &&
+ map->device_parents[force] != 0 &&
+ !is_out(map, weight, force, x)) {
+ while (1) {
+ force_context[++force_pos] = force;
+ if (force >= 0)
+ force = map->device_parents[force];
+ else
+ force = map->bucket_parents[-1-force];
+ if (force == 0)
+ break;
}
}
BUG_ON(1);
}
}
- rc = result_len;
-
-out:
- return rc;
+ return result_len;
}
put_online_cpus();
}
+static void flow_cache_flush_task(struct work_struct *work)
+{
+ flow_cache_flush();
+}
+
+static DECLARE_WORK(flow_cache_flush_work, flow_cache_flush_task);
+
+void flow_cache_flush_deferred(void)
+{
+ schedule_work(&flow_cache_flush_work);
+}
+
static int __cpuinit flow_cache_cpu_prepare(struct flow_cache *fc, int cpu)
{
struct flow_cache_percpu *fcp = per_cpu_ptr(fc->percpu, cpu);
if (count) {
int i;
- if (count > 1<<30) {
+ if (count > INT_MAX)
+ return -EINVAL;
+ count = roundup_pow_of_two(count);
+ if (count > (ULONG_MAX - sizeof(struct rps_dev_flow_table))
+ / sizeof(struct rps_dev_flow)) {
/* Enforce a limit to prevent overflow */
return -EINVAL;
}
- count = roundup_pow_of_two(count);
table = vmalloc(RPS_DEV_FLOW_TABLE_SIZE(count));
if (!table)
return -ENOMEM;
unsigned long flags;
struct sk_buff_head *list = &sk->sk_receive_queue;
- /* Cast sk->rcvbuf to unsigned... It's pointless, but reduces
- number of warnings when compiling with -W --ANK
- */
- if (atomic_read(&sk->sk_rmem_alloc) + skb->truesize >=
- (unsigned)sk->sk_rcvbuf) {
+ if (atomic_read(&sk->sk_rmem_alloc) >= sk->sk_rcvbuf) {
atomic_inc(&sk->sk_drops);
trace_sock_rcvqueue_full(sk, skb);
return -ENOMEM;
}
}
+ /* no point in waiting if we could not bring up at least one device */
+ if (!ic_first_dev)
+ goto have_carrier;
+
/* wait for a carrier on at least one device */
start = jiffies;
while (jiffies - start < msecs_to_jiffies(CONF_CARRIER_TIMEOUT)) {
if (register_netdevice(dev) < 0)
goto failed_free;
+ strcpy(nt->parms.name, dev->name);
+
dev_hold(dev);
ipip_tunnel_link(ipn, nt);
return nt;
struct ip_tunnel *tunnel = netdev_priv(dev);
tunnel->dev = dev;
- strcpy(tunnel->parms.name, dev->name);
memcpy(dev->dev_addr, &tunnel->parms.iph.saddr, 4);
memcpy(dev->broadcast, &tunnel->parms.iph.daddr, 4);
static int __net_init ipip_init_net(struct net *net)
{
struct ipip_net *ipn = net_generic(net, ipip_net_id);
+ struct ip_tunnel *t;
int err;
ipn->tunnels[0] = ipn->tunnels_wc;
if ((err = register_netdev(ipn->fb_tunnel_dev)))
goto err_reg_dev;
+ t = netdev_priv(ipn->fb_tunnel_dev);
+
+ strcpy(t->parms.name, ipn->fb_tunnel_dev->name);
return 0;
err_reg_dev:
#include <linux/rcupdate.h>
#include <linux/times.h>
#include <linux/slab.h>
+#include <linux/prefetch.h>
#include <net/dst.h>
#include <net/net_namespace.h>
#include <net/protocol.h>
static int ip_rt_max_size;
static int ip_rt_gc_timeout __read_mostly = RT_GC_TIMEOUT;
+static int ip_rt_gc_interval __read_mostly = 60 * HZ;
static int ip_rt_gc_min_interval __read_mostly = HZ / 2;
static int ip_rt_redirect_number __read_mostly = 9;
static int ip_rt_redirect_load __read_mostly = HZ / 50;
static int rt_chain_length_max __read_mostly = 20;
static int redirect_genid;
+static struct delayed_work expires_work;
+static unsigned long expires_ljiffies;
+
/*
* Interface to generic destination cache.
*/
return ONE;
}
+static void rt_check_expire(void)
+{
+ static unsigned int rover;
+ unsigned int i = rover, goal;
+ struct rtable *rth;
+ struct rtable __rcu **rthp;
+ unsigned long samples = 0;
+ unsigned long sum = 0, sum2 = 0;
+ unsigned long delta;
+ u64 mult;
+
+ delta = jiffies - expires_ljiffies;
+ expires_ljiffies = jiffies;
+ mult = ((u64)delta) << rt_hash_log;
+ if (ip_rt_gc_timeout > 1)
+ do_div(mult, ip_rt_gc_timeout);
+ goal = (unsigned int)mult;
+ if (goal > rt_hash_mask)
+ goal = rt_hash_mask + 1;
+ for (; goal > 0; goal--) {
+ unsigned long tmo = ip_rt_gc_timeout;
+ unsigned long length;
+
+ i = (i + 1) & rt_hash_mask;
+ rthp = &rt_hash_table[i].chain;
+
+ if (need_resched())
+ cond_resched();
+
+ samples++;
+
+ if (rcu_dereference_raw(*rthp) == NULL)
+ continue;
+ length = 0;
+ spin_lock_bh(rt_hash_lock_addr(i));
+ while ((rth = rcu_dereference_protected(*rthp,
+ lockdep_is_held(rt_hash_lock_addr(i)))) != NULL) {
+ prefetch(rth->dst.rt_next);
+ if (rt_is_expired(rth)) {
+ *rthp = rth->dst.rt_next;
+ rt_free(rth);
+ continue;
+ }
+ if (rth->dst.expires) {
+ /* Entry is expired even if it is in use */
+ if (time_before_eq(jiffies, rth->dst.expires)) {
+nofree:
+ tmo >>= 1;
+ rthp = &rth->dst.rt_next;
+ /*
+ * We only count entries on
+ * a chain with equal hash inputs once
+ * so that entries for different QOS
+ * levels, and other non-hash input
+ * attributes don't unfairly skew
+ * the length computation
+ */
+ length += has_noalias(rt_hash_table[i].chain, rth);
+ continue;
+ }
+ } else if (!rt_may_expire(rth, tmo, ip_rt_gc_timeout))
+ goto nofree;
+
+ /* Cleanup aged off entries. */
+ *rthp = rth->dst.rt_next;
+ rt_free(rth);
+ }
+ spin_unlock_bh(rt_hash_lock_addr(i));
+ sum += length;
+ sum2 += length*length;
+ }
+ if (samples) {
+ unsigned long avg = sum / samples;
+ unsigned long sd = int_sqrt(sum2 / samples - avg*avg);
+ rt_chain_length_max = max_t(unsigned long,
+ ip_rt_gc_elasticity,
+ (avg + 4*sd) >> FRACT_BITS);
+ }
+ rover = i;
+}
+
+/*
+ * rt_worker_func() is run in process context.
+ * we call rt_check_expire() to scan part of the hash table
+ */
+static void rt_worker_func(struct work_struct *work)
+{
+ rt_check_expire();
+ schedule_delayed_work(&expires_work, ip_rt_gc_interval);
+}
+
/*
* Perturbation of rt_genid by a small quantity [1..256]
* Using 8 bits of shuffling ensure we can call rt_cache_invalidate()
{
struct rtable *rt = (struct rtable *) dst;
- if (rt) {
+ if (rt && !(rt->dst.flags & DST_NOPEER)) {
if (rt->peer == NULL)
rt_bind_peer(rt, rt->rt_dst, 1);
iph->id = htons(inet_getid(rt->peer, more));
return;
}
- } else
+ } else if (!rt)
printk(KERN_DEBUG "rt_bind_peer(0) @%p\n",
__builtin_return_address(0));
.mode = 0644,
.proc_handler = proc_dointvec_jiffies,
},
+ {
+ .procname = "gc_interval",
+ .data = &ip_rt_gc_interval,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_jiffies,
+ },
{
.procname = "redirect_load",
.data = &ip_rt_redirect_load,
devinet_init();
ip_fib_init();
+ INIT_DELAYED_WORK_DEFERRABLE(&expires_work, rt_worker_func);
+ expires_ljiffies = jiffies;
+ schedule_delayed_work(&expires_work,
+ net_random() % ip_rt_gc_interval + ip_rt_gc_interval);
+
if (ip_rt_proc_init())
printk(KERN_ERR "Unable to create route proc files\n");
#ifdef CONFIG_XFRM
return ERR_PTR(-EACCES);
/* Add default multicast route */
- addrconf_add_mroute(dev);
+ if (!(dev->flags & IFF_LOOPBACK))
+ addrconf_add_mroute(dev);
/* Add link local route */
addrconf_add_lroute(dev);
static atomic_t ipv6_fragmentation_id;
int old, new;
- if (rt) {
+ if (rt && !(rt->dst.flags & DST_NOPEER)) {
struct inet_peer *peer;
if (!rt->rt6i_peer)
int attempts = !in_softirq();
if (!(rt->rt6i_flags&RTF_GATEWAY)) {
- if (rt->rt6i_dst.plen != 128 &&
+ if (ort->rt6i_dst.plen != 128 &&
ipv6_addr_equal(&ort->rt6i_dst.addr, daddr))
rt->rt6i_flags |= RTF_ANYCAST;
ipv6_addr_copy(&rt->rt6i_gateway, daddr);
if (register_netdevice(dev) < 0)
goto failed_free;
+ strcpy(nt->parms.name, dev->name);
+
dev_hold(dev);
ipip6_tunnel_link(sitn, nt);
struct ip_tunnel *tunnel = netdev_priv(dev);
tunnel->dev = dev;
- strcpy(tunnel->parms.name, dev->name);
memcpy(dev->dev_addr, &tunnel->parms.iph.saddr, 4);
memcpy(dev->broadcast, &tunnel->parms.iph.daddr, 4);
static int __net_init sit_init_net(struct net *net)
{
struct sit_net *sitn = net_generic(net, sit_net_id);
+ struct ip_tunnel *t;
int err;
sitn->tunnels[0] = sitn->tunnels_wc;
if ((err = register_netdev(sitn->fb_tunnel_dev)))
goto err_reg_dev;
+ t = netdev_priv(sitn->fb_tunnel_dev);
+
+ strcpy(t->parms.name, sitn->fb_tunnel_dev->name);
return 0;
err_reg_dev:
copied += used;
len -= used;
+ /* For non stream protcols we get one packet per recvmsg call */
+ if (sk->sk_type != SOCK_STREAM)
+ goto copy_uaddr;
+
if (!(flags & MSG_PEEK)) {
sk_eat_skb(sk, skb, 0);
*seq = 0;
}
- /* For non stream protcols we get one packet per recvmsg call */
- if (sk->sk_type != SOCK_STREAM)
- goto copy_uaddr;
-
/* Partial read */
if (used + offset < skb->len)
continue;
}
if (llc_sk(sk)->cmsg_flags)
llc_cmsg_rcv(msg, skb);
+
+ if (!(flags & MSG_PEEK)) {
+ sk_eat_skb(sk, skb, 0);
+ *seq = 0;
+ }
+
goto out;
}
__release(agg_queue);
}
+/*
+ * splice packets from the STA's pending to the local pending,
+ * requires a call to ieee80211_agg_splice_finish later
+ */
+static void __acquires(agg_queue)
+ieee80211_agg_splice_packets(struct ieee80211_local *local,
+ struct tid_ampdu_tx *tid_tx, u16 tid)
+{
+ int queue = ieee80211_ac_from_tid(tid);
+ unsigned long flags;
+
+ ieee80211_stop_queue_agg(local, tid);
+
+ if (WARN(!tid_tx, "TID %d gone but expected when splicing aggregates"
+ " from the pending queue\n", tid))
+ return;
+
+ if (!skb_queue_empty(&tid_tx->pending)) {
+ spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
+ /* copy over remaining packets */
+ skb_queue_splice_tail_init(&tid_tx->pending,
+ &local->pending[queue]);
+ spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
+ }
+}
+
+static void __releases(agg_queue)
+ieee80211_agg_splice_finish(struct ieee80211_local *local, u16 tid)
+{
+ ieee80211_wake_queue_agg(local, tid);
+}
+
void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid)
{
struct tid_ampdu_tx *tid_tx;
tid_tx = rcu_dereference_protected_tid_tx(sta, tid);
/*
- * While we're asking the driver about the aggregation,
- * stop the AC queue so that we don't have to worry
- * about frames that came in while we were doing that,
- * which would require us to put them to the AC pending
- * afterwards which just makes the code more complex.
+ * Start queuing up packets for this aggregation session.
+ * We're going to release them once the driver is OK with
+ * that.
*/
- ieee80211_stop_queue_agg(local, tid);
-
clear_bit(HT_AGG_STATE_WANT_START, &tid_tx->state);
/*
- * make sure no packets are being processed to get
- * valid starting sequence number
+ * Make sure no packets are being processed. This ensures that
+ * we have a valid starting sequence number and that in-flight
+ * packets have been flushed out and no packets for this TID
+ * will go into the driver during the ampdu_action call.
*/
synchronize_net();
" tid %d\n", tid);
#endif
spin_lock_bh(&sta->lock);
+ ieee80211_agg_splice_packets(local, tid_tx, tid);
ieee80211_assign_tid_tx(sta, tid, NULL);
+ ieee80211_agg_splice_finish(local, tid);
spin_unlock_bh(&sta->lock);
- ieee80211_wake_queue_agg(local, tid);
kfree_rcu(tid_tx, rcu_head);
return;
}
- /* we can take packets again now */
- ieee80211_wake_queue_agg(local, tid);
-
/* activate the timer for the recipient's addBA response */
mod_timer(&tid_tx->addba_resp_timer, jiffies + ADDBA_RESP_INTERVAL);
#ifdef CONFIG_MAC80211_HT_DEBUG
}
EXPORT_SYMBOL(ieee80211_start_tx_ba_session);
-/*
- * splice packets from the STA's pending to the local pending,
- * requires a call to ieee80211_agg_splice_finish later
- */
-static void __acquires(agg_queue)
-ieee80211_agg_splice_packets(struct ieee80211_local *local,
- struct tid_ampdu_tx *tid_tx, u16 tid)
-{
- int queue = ieee80211_ac_from_tid(tid);
- unsigned long flags;
-
- ieee80211_stop_queue_agg(local, tid);
-
- if (WARN(!tid_tx, "TID %d gone but expected when splicing aggregates"
- " from the pending queue\n", tid))
- return;
-
- if (!skb_queue_empty(&tid_tx->pending)) {
- spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
- /* copy over remaining packets */
- skb_queue_splice_tail_init(&tid_tx->pending,
- &local->pending[queue]);
- spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
- }
-}
-
-static void __releases(agg_queue)
-ieee80211_agg_splice_finish(struct ieee80211_local *local, u16 tid)
-{
- ieee80211_wake_queue_agg(local, tid);
-}
-
static void ieee80211_agg_tx_operational(struct ieee80211_local *local,
struct sta_info *sta, u16 tid)
{
break;
}
- if (sinfo->count.to)
+ if (sinfo->count.to >= sinfo->count.from)
return what <= sinfo->count.to && what >= sinfo->count.from;
- else
- return what >= sinfo->count.from;
+ else /* inverted */
+ return what < sinfo->count.to || what > sinfo->count.from;
}
static int connbytes_mt_check(const struct xt_mtchk_param *par)
__u32 timeout)
{
int rc = 0;
- unsigned long completion_rc;
+ long completion_rc;
ndev->req_status = NCI_REQ_PEND;
if (snaplen > res)
snaplen = res;
- if (atomic_read(&sk->sk_rmem_alloc) + skb->truesize >=
- (unsigned)sk->sk_rcvbuf)
+ if (atomic_read(&sk->sk_rmem_alloc) >= sk->sk_rcvbuf)
goto drop_n_acct;
if (skb_shared(skb)) {
if (po->tp_version <= TPACKET_V2) {
if (macoff + snaplen > po->rx_ring.frame_size) {
if (po->copy_thresh &&
- atomic_read(&sk->sk_rmem_alloc) + skb->truesize
- < (unsigned)sk->sk_rcvbuf) {
+ atomic_read(&sk->sk_rmem_alloc) < sk->sk_rcvbuf) {
if (skb_shared(skb)) {
copy_skb = skb_clone(skb, GFP_ATOMIC);
} else {
struct gred_sched_data *q;
if (table->tab[dp] == NULL) {
- table->tab[dp] = kzalloc(sizeof(*q), GFP_KERNEL);
+ table->tab[dp] = kzalloc(sizeof(*q), GFP_ATOMIC);
if (table->tab[dp] == NULL)
return -ENOMEM;
}
if (!netif_is_multiqueue(dev))
return -EOPNOTSUPP;
- if (nla_len(opt) < sizeof(*qopt))
+ if (!opt || nla_len(opt) < sizeof(*qopt))
return -EINVAL;
qopt = nla_data(opt);
asoc->timeouts[SCTP_EVENT_TIMEOUT_HEARTBEAT] = 0;
asoc->timeouts[SCTP_EVENT_TIMEOUT_SACK] = asoc->sackdelay;
asoc->timeouts[SCTP_EVENT_TIMEOUT_AUTOCLOSE] =
- (unsigned long)sp->autoclose * HZ;
+ min_t(unsigned long, sp->autoclose, sctp_max_autoclose) * HZ;
/* Initializes the timers */
for (i = SCTP_EVENT_TIMEOUT_NONE; i < SCTP_NUM_TIMEOUT_TYPES; ++i)
/* Keep track of how many bytes are in flight to the receiver. */
asoc->outqueue.outstanding_bytes += datasize;
- /* Update our view of the receiver's rwnd. Include sk_buff overhead
- * while updating peer.rwnd so that it reduces the chances of a
- * receiver running out of receive buffer space even when receive
- * window is still open. This can happen when a sender is sending
- * sending small messages.
- */
- datasize += sizeof(struct sk_buff);
+ /* Update our view of the receiver's rwnd. */
if (datasize < rwnd)
rwnd -= datasize;
else
chunk->transport->flight_size -=
sctp_data_size(chunk);
q->outstanding_bytes -= sctp_data_size(chunk);
- q->asoc->peer.rwnd += (sctp_data_size(chunk) +
- sizeof(struct sk_buff));
+ q->asoc->peer.rwnd += sctp_data_size(chunk);
}
continue;
}
* (Section 7.2.4)), add the data size of those
* chunks to the rwnd.
*/
- q->asoc->peer.rwnd += (sctp_data_size(chunk) +
- sizeof(struct sk_buff));
+ q->asoc->peer.rwnd += sctp_data_size(chunk);
q->outstanding_bytes -= sctp_data_size(chunk);
if (chunk->transport)
transport->flight_size -= sctp_data_size(chunk);
sctp_max_instreams = SCTP_DEFAULT_INSTREAMS;
sctp_max_outstreams = SCTP_DEFAULT_OUTSTREAMS;
+ /* Initialize maximum autoclose timeout. */
+ sctp_max_autoclose = INT_MAX / HZ;
+
/* Initialize handle used for association ids. */
idr_init(&sctp_assocs_id);
return -EINVAL;
if (copy_from_user(&sp->autoclose, optval, optlen))
return -EFAULT;
- /* make sure it won't exceed MAX_SCHEDULE_TIMEOUT */
- sp->autoclose = min_t(long, sp->autoclose, MAX_SCHEDULE_TIMEOUT / HZ);
return 0;
}
static int sack_timer_max = 500;
static int addr_scope_max = 3; /* check sctp_scope_policy_t in include/net/sctp/constants.h for max entries */
static int rwnd_scale_max = 16;
+static unsigned long max_autoclose_min = 0;
+static unsigned long max_autoclose_max =
+ (MAX_SCHEDULE_TIMEOUT / HZ > UINT_MAX)
+ ? UINT_MAX : MAX_SCHEDULE_TIMEOUT / HZ;
extern long sysctl_sctp_mem[3];
extern int sysctl_sctp_rmem[3];
.extra1 = &one,
.extra2 = &rwnd_scale_max,
},
+ {
+ .procname = "max_autoclose",
+ .data = &sctp_max_autoclose,
+ .maxlen = sizeof(unsigned long),
+ .mode = 0644,
+ .proc_handler = &proc_doulongvec_minmax,
+ .extra1 = &max_autoclose_min,
+ .extra2 = &max_autoclose_max,
+ },
{ /* sentinel */ }
};
task->tk_ops->rpc_call_prepare(task, task->tk_calldata);
}
+static void
+rpc_init_task_statistics(struct rpc_task *task)
+{
+ /* Initialize retry counters */
+ task->tk_garb_retry = 2;
+ task->tk_cred_retry = 2;
+ task->tk_rebind_retry = 2;
+
+ /* starting timestamp */
+ task->tk_start = ktime_get();
+}
+
+static void
+rpc_reset_task_statistics(struct rpc_task *task)
+{
+ task->tk_timeouts = 0;
+ task->tk_flags &= ~(RPC_CALL_MAJORSEEN|RPC_TASK_KILLED|RPC_TASK_SENT);
+
+ rpc_init_task_statistics(task);
+}
+
/*
* Helper that calls task->tk_ops->rpc_call_done if it exists
*/
WARN_ON(RPC_ASSASSINATED(task));
/* Always release the RPC slot and buffer memory */
xprt_release(task);
+ rpc_reset_task_statistics(task);
}
}
}
task->tk_calldata = task_setup_data->callback_data;
INIT_LIST_HEAD(&task->tk_task);
- /* Initialize retry counters */
- task->tk_garb_retry = 2;
- task->tk_cred_retry = 2;
- task->tk_rebind_retry = 2;
-
task->tk_priority = task_setup_data->priority - RPC_PRIORITY_LOW;
task->tk_owner = current->tgid;
if (task->tk_ops->rpc_call_prepare != NULL)
task->tk_action = rpc_prepare_task;
- /* starting timestamp */
- task->tk_start = ktime_get();
+ rpc_init_task_statistics(task);
dprintk("RPC: new task initialized, procpid %u\n",
task_pid_nr(current));
static void xprt_free_slot(struct rpc_xprt *xprt, struct rpc_rqst *req)
{
- if (xprt_dynamic_free_slot(xprt, req))
- return;
-
- memset(req, 0, sizeof(*req)); /* mark unused */
-
spin_lock(&xprt->reserve_lock);
- list_add(&req->rq_list, &xprt->free);
+ if (!xprt_dynamic_free_slot(xprt, req)) {
+ memset(req, 0, sizeof(*req)); /* mark unused */
+ list_add(&req->rq_list, &xprt->free);
+ }
rpc_wake_up_next(&xprt->backlog);
spin_unlock(&xprt->reserve_lock);
}
{
struct dst_entry *head, *next;
- flow_cache_flush();
-
spin_lock_bh(&xfrm_policy_sk_bundle_lock);
head = xfrm_policy_sk_bundles;
xfrm_policy_sk_bundles = NULL;
}
}
+static void xfrm_garbage_collect(struct net *net)
+{
+ flow_cache_flush();
+ __xfrm_garbage_collect(net);
+}
+
+static void xfrm_garbage_collect_deferred(struct net *net)
+{
+ flow_cache_flush_deferred();
+ __xfrm_garbage_collect(net);
+}
+
static void xfrm_init_pmtu(struct dst_entry *dst)
{
do {
if (likely(dst_ops->neigh_lookup == NULL))
dst_ops->neigh_lookup = xfrm_neigh_lookup;
if (likely(afinfo->garbage_collect == NULL))
- afinfo->garbage_collect = __xfrm_garbage_collect;
+ afinfo->garbage_collect = xfrm_garbage_collect_deferred;
xfrm_policy_afinfo[afinfo->family] = afinfo;
}
write_unlock_bh(&xfrm_policy_afinfo_lock);
switch (event) {
case NETDEV_DOWN:
- __xfrm_garbage_collect(dev_net(dev));
+ xfrm_garbage_collect(dev_net(dev));
}
return NOTIFY_DONE;
}
--directory=$(srctree) --directory=$(objtree) \
--output $(obj)/config.pot
$(Q)sed -i s/CHARSET/UTF-8/ $(obj)/config.pot
- $(Q)ln -fs Kconfig.x86 arch/um/Kconfig
- $(Q)(for i in `ls $(srctree)/arch/*/Kconfig`; \
+ $(Q)(for i in `ls $(srctree)/arch/*/Kconfig \
+ $(srctree)/arch/*/um/Kconfig`; \
do \
echo " GEN $$i"; \
$(obj)/kxgettext $$i \
done )
$(Q)msguniq --sort-by-file --to-code=UTF-8 $(obj)/config.pot \
--output $(obj)/linux.pot
- $(Q)rm -f $(srctree)/arch/um/Kconfig
$(Q)rm -f $(obj)/config.pot
PHONY += allnoconfig allyesconfig allmodconfig alldefconfig randconfig
struct crypto_shash *hmac_tfm;
+static DEFINE_MUTEX(mutex);
+
static struct shash_desc *init_desc(void)
{
int rc;
struct shash_desc *desc;
if (hmac_tfm == NULL) {
+ mutex_lock(&mutex);
+ if (hmac_tfm)
+ goto out;
hmac_tfm = crypto_alloc_shash(evm_hmac, 0, CRYPTO_ALG_ASYNC);
if (IS_ERR(hmac_tfm)) {
pr_err("Can not allocate %s (reason: %ld)\n",
evm_hmac, PTR_ERR(hmac_tfm));
rc = PTR_ERR(hmac_tfm);
hmac_tfm = NULL;
+ mutex_unlock(&mutex);
+ return ERR_PTR(rc);
+ }
+ rc = crypto_shash_setkey(hmac_tfm, evmkey, evmkey_len);
+ if (rc) {
+ crypto_free_shash(hmac_tfm);
+ hmac_tfm = NULL;
+ mutex_unlock(&mutex);
return ERR_PTR(rc);
}
+out:
+ mutex_unlock(&mutex);
}
desc = kmalloc(sizeof(*desc) + crypto_shash_descsize(hmac_tfm),
desc->tfm = hmac_tfm;
desc->flags = CRYPTO_TFM_REQ_MAY_SLEEP;
- rc = crypto_shash_setkey(hmac_tfm, evmkey, evmkey_len);
- if (rc)
- goto out;
rc = crypto_shash_init(desc);
-out:
if (rc) {
kfree(desc);
return ERR_PTR(rc);
if (sel_netport_hash[idx].size == SEL_NETPORT_HASH_BKT_LIMIT) {
struct sel_netport *tail;
tail = list_entry(
- rcu_dereference(sel_netport_hash[idx].list.prev),
+ rcu_dereference_protected(
+ sel_netport_hash[idx].list.prev,
+ lockdep_is_held(&sel_netport_lock)),
struct sel_netport, list);
list_del_rcu(&tail->list);
kfree_rcu(tail, rcu);
/* AC97 v2.2 specifications says minimum 1 us. */
udelay(2);
gpio_set_value(chip->reset_pin, 1);
+ } else {
+ ac97c_writel(chip, MR, AC97C_MR_WRST | AC97C_MR_ENA);
+ udelay(2);
+ ac97c_writel(chip, MR, AC97C_MR_ENA);
}
}
SND_PCI_QUIRK(0x1043, 0x813d, "ASUS P5AD2", POS_FIX_LPIB),
SND_PCI_QUIRK(0x1043, 0x81b3, "ASUS", POS_FIX_LPIB),
SND_PCI_QUIRK(0x1043, 0x81e7, "ASUS M2V", POS_FIX_LPIB),
+ SND_PCI_QUIRK(0x1043, 0x83ce, "ASUS 1101HA", POS_FIX_LPIB),
SND_PCI_QUIRK(0x104d, 0x9069, "Sony VPCS11V9E", POS_FIX_LPIB),
SND_PCI_QUIRK(0x1297, 0x3166, "Shuttle", POS_FIX_LPIB),
SND_PCI_QUIRK(0x1458, 0xa022, "ga-ma770-ud3", POS_FIX_LPIB),
/* SCH */
{ PCI_DEVICE(0x8086, 0x811b),
.driver_data = AZX_DRIVER_SCH | AZX_DCAPS_SCH_SNOOP |
- AZX_DCAPS_BUFSIZE},
+ AZX_DCAPS_BUFSIZE | AZX_DCAPS_POSFIX_LPIB }, /* Poulsbo */
+ /* ICH */
{ PCI_DEVICE(0x8086, 0x2668),
.driver_data = AZX_DRIVER_ICH | AZX_DCAPS_OLD_SSYNC |
AZX_DCAPS_BUFSIZE }, /* ICH6 */
set_hp_led_gpio(codec);
return 1;
}
+ /* BIOS bug: unfilled OEM string */
+ if (strstr(dev->name, "HP_Mute_LED_P_G")) {
+ set_hp_led_gpio(codec);
+ spec->gpio_led_polarity = 1;
+ return 1;
+ }
}
/*
select SND_SOC_CX20442
select SND_SOC_DA7210 if I2C
select SND_SOC_DFBMCS320
- select SND_SOC_JZ4740_CODEC if SOC_JZ4740
+ select SND_SOC_JZ4740_CODEC
select SND_SOC_LM4857 if I2C
select SND_SOC_MAX98088 if I2C
select SND_SOC_MAX98095 if I2C
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
+#include <linux/io.h>
#include <linux/delay.h>
}
if (memcmp(fw->data, "WMFW", 4) != 0) {
+ memcpy(&data32, fw->data, sizeof(data32));
+ data32 = be32_to_cpu(data32);
dev_err(codec->dev, "%s: firmware has bad file magic %08x\n",
name, data32);
goto err;
break;
case 24576000:
ratediv = WM8996_SYSCLK_DIV;
+ wm8996->sysclk /= 2;
case 12288000:
snd_soc_update_bits(codec, WM8996_AIF_RATE,
WM8996_SYSCLK_RATE, WM8996_SYSCLK_RATE);
platform_driver_unregister(&mxs_pcm_driver);
}
module_exit(snd_mxs_pcm_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:mxs-pcm-audio");
MODULE_AUTHOR("Freescale Semiconductor, Inc.");
MODULE_DESCRIPTION("MXS ALSA SoC Machine driver");
MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:mxs-sgtl5000");
snd_soc_card_hx4700.dev = &pdev->dev;
ret = snd_soc_register_card(&snd_soc_card_hx4700);
if (ret)
- return ret;
+ gpio_free_array(hx4700_audio_gpios,
+ ARRAY_SIZE(hx4700_audio_gpios));
- return 0;
+ return ret;
}
static int __devexit hx4700_audio_remove(struct platform_device *pdev)
{
struct snd_soc_codec *codec = rtd->codec;
struct snd_soc_dapm_context *dapm = &codec->dapm;
- int err;
/* These endpoints are not being used. */
snd_soc_dapm_nc_pin(dapm, "LINPUT2");
.dai_link = &jive_dai,
.num_links = 1,
- .dapm_widgtets = wm8750_dapm_widgets,
+ .dapm_widgets = wm8750_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(wm8750_dapm_widgets),
.dapm_routes = audio_map,
.num_dapm_routes = ARRAY_SIZE(audio_map),
*
*/
+#include <linux/module.h>
#include <sound/soc.h>
static struct snd_soc_card smdk2443;
projects / firefly-linux-kernel-4.4.55.git / commitdiff