Merge branch 'for-1111' of git://gitorious.org/smack-next/kernel into for-linus

[firefly-linux-kernel-4.4.55.git] / include / linux / irq.h

diff --git a/include/linux/irq.h b/include/linux/irq.h
index 59517300a315978e6f41398dc69a6a4f84c0f19e..bff29c58da23013e5e1e19f0cdeaf2ad45d602fc 100644 (file)
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -23,13 +23,13 @@
 #include <linux/errno.h>
 #include <linux/topology.h>
 #include <linux/wait.h>
-#include <linux/module.h>
 
 #include <asm/irq.h>
 #include <asm/ptrace.h>
 #include <asm/irq_regs.h>
 
 struct seq_file;
+struct module;
 struct irq_desc;
 struct irq_data;
 typedef        void (*irq_flow_handler_t)(unsigned int irq,
@@ -66,6 +66,7 @@ typedef       void (*irq_preflow_handler_t)(struct irq_data *data);
  * IRQ_NO_BALANCING            - Interrupt cannot be balanced (affinity set)
  * IRQ_MOVE_PCNTXT             - Interrupt can be migrated from process context
  * IRQ_NESTED_TRHEAD           - Interrupt nests into another thread
+ * IRQ_PER_CPU_DEVID           - Dev_id is a per-cpu variable
  */
 enum {
        IRQ_TYPE_NONE           = 0x00000000,
@@ -88,12 +89,13 @@ enum {
        IRQ_MOVE_PCNTXT         = (1 << 14),
        IRQ_NESTED_THREAD       = (1 << 15),
        IRQ_NOTHREAD            = (1 << 16),
+       IRQ_PER_CPU_DEVID       = (1 << 17),
 };
 
 #define IRQF_MODIFY_MASK       \
        (IRQ_TYPE_SENSE_MASK | IRQ_NOPROBE | IRQ_NOREQUEST | \
         IRQ_NOAUTOEN | IRQ_MOVE_PCNTXT | IRQ_LEVEL | IRQ_NO_BALANCING | \
-        IRQ_PER_CPU | IRQ_NESTED_THREAD)
+        IRQ_PER_CPU | IRQ_NESTED_THREAD | IRQ_NOTHREAD | IRQ_PER_CPU_DEVID)
 
 #define IRQ_NO_BALANCING_MASK  (IRQ_PER_CPU | IRQ_NO_BALANCING)
 
@@ -336,12 +338,14 @@ struct irq_chip {
  * IRQCHIP_MASK_ON_SUSPEND:    Mask non wake irqs in the suspend path
  * IRQCHIP_ONOFFLINE_ENABLED:  Only call irq_on/off_line callbacks
  *                             when irq enabled
+ * IRQCHIP_SKIP_SET_WAKE:      Skip chip.irq_set_wake(), for this irq chip
  */
 enum {
        IRQCHIP_SET_TYPE_MASKED         = (1 <<  0),
        IRQCHIP_EOI_IF_HANDLED          = (1 <<  1),
        IRQCHIP_MASK_ON_SUSPEND         = (1 <<  2),
        IRQCHIP_ONOFFLINE_ENABLED       = (1 <<  3),
+       IRQCHIP_SKIP_SET_WAKE           = (1 <<  4),
 };
 
 /* This include will go away once we isolated irq_desc usage to core code */
@@ -365,6 +369,8 @@ enum {
 struct irqaction;
 extern int setup_irq(unsigned int irq, struct irqaction *new);
 extern void remove_irq(unsigned int irq, struct irqaction *act);
+extern int setup_percpu_irq(unsigned int irq, struct irqaction *new);
+extern void remove_percpu_irq(unsigned int irq, struct irqaction *act);
 
 extern void irq_cpu_online(void);
 extern void irq_cpu_offline(void);
@@ -392,6 +398,7 @@ extern void handle_edge_irq(unsigned int irq, struct irq_desc *desc);
 extern void handle_edge_eoi_irq(unsigned int irq, struct irq_desc *desc);
 extern void handle_simple_irq(unsigned int irq, struct irq_desc *desc);
 extern void handle_percpu_irq(unsigned int irq, struct irq_desc *desc);
+extern void handle_percpu_devid_irq(unsigned int irq, struct irq_desc *desc);
 extern void handle_bad_irq(unsigned int irq, struct irq_desc *desc);
 extern void handle_nested_irq(unsigned int irq);
 
@@ -420,6 +427,8 @@ static inline void irq_set_chip_and_handler(unsigned int irq, struct irq_chip *c
        irq_set_chip_and_handler_name(irq, chip, handle, NULL);
 }
 
+extern int irq_set_percpu_devid(unsigned int irq);
+
 extern void
 __irq_set_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained,
                  const char *name);
@@ -481,6 +490,13 @@ static inline void irq_set_nested_thread(unsigned int irq, bool nest)
                irq_clear_status_flags(irq, IRQ_NESTED_THREAD);
 }
 
+static inline void irq_set_percpu_devid_flags(unsigned int irq)
+{
+       irq_set_status_flags(irq,
+                            IRQ_NOAUTOEN | IRQ_PER_CPU | IRQ_NOTHREAD |
+                            IRQ_NOPROBE | IRQ_PER_CPU_DEVID);
+}
+
 /* Handle dynamic irq creation and destruction */
 extern unsigned int create_irq_nr(unsigned int irq_want, int node);
 extern int create_irq(void);
@@ -551,29 +567,21 @@ static inline struct msi_desc *irq_data_get_msi(struct irq_data *d)
 int __irq_alloc_descs(int irq, unsigned int from, unsigned int cnt, int node,
                struct module *owner);
 
-static inline int irq_alloc_descs(int irq, unsigned int from, unsigned int cnt,
-               int node)
-{
-       return __irq_alloc_descs(irq, from, cnt, node, THIS_MODULE);
-}
+/* use macros to avoid needing export.h for THIS_MODULE */
+#define irq_alloc_descs(irq, from, cnt, node)  \
+       __irq_alloc_descs(irq, from, cnt, node, THIS_MODULE)
 
-void irq_free_descs(unsigned int irq, unsigned int cnt);
-int irq_reserve_irqs(unsigned int from, unsigned int cnt);
+#define irq_alloc_desc(node)                   \
+       irq_alloc_descs(-1, 0, 1, node)
 
-static inline int irq_alloc_desc(int node)
-{
-       return irq_alloc_descs(-1, 0, 1, node);
-}
+#define irq_alloc_desc_at(at, node)            \
+       irq_alloc_descs(at, at, 1, node)
 
-static inline int irq_alloc_desc_at(unsigned int at, int node)
-{
-       return irq_alloc_descs(at, at, 1, node);
-}
+#define irq_alloc_desc_from(from, node)                \
+       irq_alloc_descs(-1, from, 1, node)
 
-static inline int irq_alloc_desc_from(unsigned int from, int node)
-{
-       return irq_alloc_descs(-1, from, 1, node);
-}
+void irq_free_descs(unsigned int irq, unsigned int cnt);
+int irq_reserve_irqs(unsigned int from, unsigned int cnt);
 
 static inline void irq_free_desc(unsigned int irq)
 {