2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2005 QLogic Corporation
5 * See LICENSE.qla2xxx for copyright and licensing details.
9 #include <linux/moduleparam.h>
10 #include <linux/vmalloc.h>
11 #include <linux/delay.h>
12 #include <linux/kthread.h>
14 #include <scsi/scsi_tcq.h>
15 #include <scsi/scsicam.h>
16 #include <scsi/scsi_transport.h>
17 #include <scsi/scsi_transport_fc.h>
22 char qla2x00_version_str[40];
25 * SRB allocation cache
27 static struct kmem_cache *srb_cachep;
30 * Ioctl related information.
33 int ql2xlogintimeout = 20;
34 module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR);
35 MODULE_PARM_DESC(ql2xlogintimeout,
36 "Login timeout value in seconds.");
38 int qlport_down_retry;
39 module_param(qlport_down_retry, int, S_IRUGO|S_IRUSR);
40 MODULE_PARM_DESC(qlport_down_retry,
41 "Maximum number of command retries to a port that returns "
42 "a PORT-DOWN status.");
44 int ql2xplogiabsentdevice;
45 module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
46 MODULE_PARM_DESC(ql2xplogiabsentdevice,
47 "Option to enable PLOGI to devices that are not present after "
48 "a Fabric scan. This is needed for several broken switches. "
49 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
51 int ql2xloginretrycount = 0;
52 module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR);
53 MODULE_PARM_DESC(ql2xloginretrycount,
54 "Specify an alternate value for the NVRAM login retry count.");
56 int ql2xallocfwdump = 1;
57 module_param(ql2xallocfwdump, int, S_IRUGO|S_IRUSR);
58 MODULE_PARM_DESC(ql2xallocfwdump,
59 "Option to enable allocation of memory for a firmware dump "
60 "during HBA initialization. Memory allocation requirements "
61 "vary by ISP type. Default is 1 - allocate memory.");
63 int ql2xextended_error_logging;
64 module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
65 MODULE_PARM_DESC(ql2xextended_error_logging,
66 "Option to enable extended error logging, "
67 "Default is 0 - no logging. 1 - log errors.");
69 static void qla2x00_free_device(scsi_qla_host_t *);
71 static void qla2x00_config_dma_addressing(scsi_qla_host_t *ha);
74 module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR);
75 MODULE_PARM_DESC(ql2xfdmienable,
76 "Enables FDMI registratons "
77 "Default is 0 - no FDMI. 1 - perfom FDMI.");
79 #define MAX_Q_DEPTH 32
80 static int ql2xmaxqdepth = MAX_Q_DEPTH;
81 module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
82 MODULE_PARM_DESC(ql2xmaxqdepth,
83 "Maximum queue depth to report for target devices.");
85 int ql2xqfullrampup = 120;
86 module_param(ql2xqfullrampup, int, S_IRUGO|S_IWUSR);
87 MODULE_PARM_DESC(ql2xqfullrampup,
88 "Number of seconds to wait to begin to ramp-up the queue "
89 "depth for a device after a queue-full condition has been "
90 "detected. Default is 120 seconds.");
93 * SCSI host template entry points
95 static int qla2xxx_slave_configure(struct scsi_device * device);
96 static int qla2xxx_slave_alloc(struct scsi_device *);
97 static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
98 static void qla2xxx_scan_start(struct Scsi_Host *);
99 static void qla2xxx_slave_destroy(struct scsi_device *);
100 static int qla2x00_queuecommand(struct scsi_cmnd *cmd,
101 void (*fn)(struct scsi_cmnd *));
102 static int qla24xx_queuecommand(struct scsi_cmnd *cmd,
103 void (*fn)(struct scsi_cmnd *));
104 static int qla2xxx_eh_abort(struct scsi_cmnd *);
105 static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
106 static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
107 static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
108 static int qla2x00_device_reset(scsi_qla_host_t *, fc_port_t *);
110 static int qla2x00_change_queue_depth(struct scsi_device *, int);
111 static int qla2x00_change_queue_type(struct scsi_device *, int);
113 static struct scsi_host_template qla2x00_driver_template = {
114 .module = THIS_MODULE,
115 .name = QLA2XXX_DRIVER_NAME,
116 .queuecommand = qla2x00_queuecommand,
118 .eh_abort_handler = qla2xxx_eh_abort,
119 .eh_device_reset_handler = qla2xxx_eh_device_reset,
120 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
121 .eh_host_reset_handler = qla2xxx_eh_host_reset,
123 .slave_configure = qla2xxx_slave_configure,
125 .slave_alloc = qla2xxx_slave_alloc,
126 .slave_destroy = qla2xxx_slave_destroy,
127 .scan_finished = qla2xxx_scan_finished,
128 .scan_start = qla2xxx_scan_start,
129 .change_queue_depth = qla2x00_change_queue_depth,
130 .change_queue_type = qla2x00_change_queue_type,
133 .use_clustering = ENABLE_CLUSTERING,
134 .use_sg_chaining = ENABLE_SG_CHAINING,
135 .sg_tablesize = SG_ALL,
138 * The RISC allows for each command to transfer (2^32-1) bytes of data,
139 * which equates to 0x800000 sectors.
141 .max_sectors = 0xFFFF,
142 .shost_attrs = qla2x00_host_attrs,
145 struct scsi_host_template qla24xx_driver_template = {
146 .module = THIS_MODULE,
147 .name = QLA2XXX_DRIVER_NAME,
148 .queuecommand = qla24xx_queuecommand,
150 .eh_abort_handler = qla2xxx_eh_abort,
151 .eh_device_reset_handler = qla2xxx_eh_device_reset,
152 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
153 .eh_host_reset_handler = qla2xxx_eh_host_reset,
155 .slave_configure = qla2xxx_slave_configure,
157 .slave_alloc = qla2xxx_slave_alloc,
158 .slave_destroy = qla2xxx_slave_destroy,
159 .scan_finished = qla2xxx_scan_finished,
160 .scan_start = qla2xxx_scan_start,
161 .change_queue_depth = qla2x00_change_queue_depth,
162 .change_queue_type = qla2x00_change_queue_type,
165 .use_clustering = ENABLE_CLUSTERING,
166 .use_sg_chaining = ENABLE_SG_CHAINING,
167 .sg_tablesize = SG_ALL,
169 .max_sectors = 0xFFFF,
170 .shost_attrs = qla2x00_host_attrs,
173 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
174 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
176 /* TODO Convert to inlines
182 qla2x00_start_timer(scsi_qla_host_t *ha, void *func, unsigned long interval)
184 init_timer(&ha->timer);
185 ha->timer.expires = jiffies + interval * HZ;
186 ha->timer.data = (unsigned long)ha;
187 ha->timer.function = (void (*)(unsigned long))func;
188 add_timer(&ha->timer);
189 ha->timer_active = 1;
193 qla2x00_restart_timer(scsi_qla_host_t *ha, unsigned long interval)
195 mod_timer(&ha->timer, jiffies + interval * HZ);
198 static __inline__ void
199 qla2x00_stop_timer(scsi_qla_host_t *ha)
201 del_timer_sync(&ha->timer);
202 ha->timer_active = 0;
205 static int qla2x00_do_dpc(void *data);
207 static void qla2x00_rst_aen(scsi_qla_host_t *);
209 static uint8_t qla2x00_mem_alloc(scsi_qla_host_t *);
210 static void qla2x00_mem_free(scsi_qla_host_t *ha);
211 static int qla2x00_allocate_sp_pool( scsi_qla_host_t *ha);
212 static void qla2x00_free_sp_pool(scsi_qla_host_t *ha);
213 static void qla2x00_sp_free_dma(scsi_qla_host_t *, srb_t *);
215 /* -------------------------------------------------------------------------- */
218 qla2x00_pci_info_str(struct scsi_qla_host *ha, char *str)
220 static char *pci_bus_modes[] = {
221 "33", "66", "100", "133",
226 pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
229 strcat(str, pci_bus_modes[pci_bus]);
231 pci_bus = (ha->pci_attr & BIT_8) >> 8;
233 strcat(str, pci_bus_modes[pci_bus]);
235 strcat(str, " MHz)");
241 qla24xx_pci_info_str(struct scsi_qla_host *ha, char *str)
243 static char *pci_bus_modes[] = { "33", "66", "100", "133", };
247 pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
250 uint16_t pcie_lstat, lspeed, lwidth;
253 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
254 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
255 lwidth = (pcie_lstat &
256 (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
258 strcpy(str, "PCIe (");
260 strcat(str, "2.5Gb/s ");
261 else if (lspeed == 2)
262 strcat(str, "5.0Gb/s ");
264 strcat(str, "<unknown> ");
265 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
272 pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
273 if (pci_bus == 0 || pci_bus == 8) {
275 strcat(str, pci_bus_modes[pci_bus >> 3]);
279 strcat(str, "Mode 2");
281 strcat(str, "Mode 1");
283 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
285 strcat(str, " MHz)");
291 qla2x00_fw_version_str(struct scsi_qla_host *ha, char *str)
295 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
296 ha->fw_minor_version,
297 ha->fw_subminor_version);
299 if (ha->fw_attributes & BIT_9) {
304 switch (ha->fw_attributes & 0xFF) {
318 sprintf(un_str, "(%x)", ha->fw_attributes);
322 if (ha->fw_attributes & 0x100)
329 qla24xx_fw_version_str(struct scsi_qla_host *ha, char *str)
331 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
332 ha->fw_minor_version,
333 ha->fw_subminor_version);
335 if (ha->fw_attributes & BIT_0)
336 strcat(str, "[Class 2] ");
337 if (ha->fw_attributes & BIT_1)
338 strcat(str, "[IP] ");
339 if (ha->fw_attributes & BIT_2)
340 strcat(str, "[Multi-ID] ");
341 if (ha->fw_attributes & BIT_3)
342 strcat(str, "[SB-2] ");
343 if (ha->fw_attributes & BIT_4)
344 strcat(str, "[T10 CRC] ");
345 if (ha->fw_attributes & BIT_5)
346 strcat(str, "[VI] ");
347 if (ha->fw_attributes & BIT_13)
348 strcat(str, "[Experimental]");
352 static inline srb_t *
353 qla2x00_get_new_sp(scsi_qla_host_t *ha, fc_port_t *fcport,
354 struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
358 sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
366 CMD_SP(cmd) = (void *)sp;
367 cmd->scsi_done = done;
373 qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
375 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
376 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
377 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
381 if (unlikely(pci_channel_offline(ha->pdev))) {
382 cmd->result = DID_REQUEUE << 16;
383 goto qc_fail_command;
386 rval = fc_remote_port_chkready(rport);
389 goto qc_fail_command;
392 /* Close window on fcport/rport state-transitioning. */
393 if (!*(fc_port_t **)rport->dd_data) {
394 cmd->result = DID_IMM_RETRY << 16;
395 goto qc_fail_command;
398 if (atomic_read(&fcport->state) != FCS_ONLINE) {
399 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
400 atomic_read(&ha->loop_state) == LOOP_DEAD) {
401 cmd->result = DID_NO_CONNECT << 16;
402 goto qc_fail_command;
407 spin_unlock_irq(ha->host->host_lock);
409 sp = qla2x00_get_new_sp(ha, fcport, cmd, done);
411 goto qc_host_busy_lock;
413 rval = qla2x00_start_scsi(sp);
414 if (rval != QLA_SUCCESS)
415 goto qc_host_busy_free_sp;
417 spin_lock_irq(ha->host->host_lock);
421 qc_host_busy_free_sp:
422 qla2x00_sp_free_dma(ha, sp);
423 mempool_free(sp, ha->srb_mempool);
426 spin_lock_irq(ha->host->host_lock);
429 return SCSI_MLQUEUE_HOST_BUSY;
439 qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
441 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
442 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
443 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
446 scsi_qla_host_t *pha = to_qla_parent(ha);
448 if (unlikely(pci_channel_offline(ha->pdev))) {
449 cmd->result = DID_REQUEUE << 16;
450 goto qc24_fail_command;
453 rval = fc_remote_port_chkready(rport);
456 goto qc24_fail_command;
459 /* Close window on fcport/rport state-transitioning. */
460 if (!*(fc_port_t **)rport->dd_data) {
461 cmd->result = DID_IMM_RETRY << 16;
462 goto qc24_fail_command;
465 if (atomic_read(&fcport->state) != FCS_ONLINE) {
466 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
467 atomic_read(&pha->loop_state) == LOOP_DEAD) {
468 cmd->result = DID_NO_CONNECT << 16;
469 goto qc24_fail_command;
474 spin_unlock_irq(ha->host->host_lock);
476 sp = qla2x00_get_new_sp(pha, fcport, cmd, done);
478 goto qc24_host_busy_lock;
480 rval = qla24xx_start_scsi(sp);
481 if (rval != QLA_SUCCESS)
482 goto qc24_host_busy_free_sp;
484 spin_lock_irq(ha->host->host_lock);
488 qc24_host_busy_free_sp:
489 qla2x00_sp_free_dma(pha, sp);
490 mempool_free(sp, pha->srb_mempool);
493 spin_lock_irq(ha->host->host_lock);
496 return SCSI_MLQUEUE_HOST_BUSY;
506 * qla2x00_eh_wait_on_command
507 * Waits for the command to be returned by the Firmware for some
511 * ha = actual ha whose done queue will contain the command
512 * returned by firmware.
513 * cmd = Scsi Command to wait on.
514 * flag = Abort/Reset(Bus or Device Reset)
521 qla2x00_eh_wait_on_command(scsi_qla_host_t *ha, struct scsi_cmnd *cmd)
523 #define ABORT_POLLING_PERIOD 1000
524 #define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
525 unsigned long wait_iter = ABORT_WAIT_ITER;
526 int ret = QLA_SUCCESS;
528 while (CMD_SP(cmd)) {
529 msleep(ABORT_POLLING_PERIOD);
535 ret = QLA_FUNCTION_FAILED;
541 * qla2x00_wait_for_hba_online
542 * Wait till the HBA is online after going through
543 * <= MAX_RETRIES_OF_ISP_ABORT or
544 * finally HBA is disabled ie marked offline
547 * ha - pointer to host adapter structure
550 * Does context switching-Release SPIN_LOCK
551 * (if any) before calling this routine.
554 * Success (Adapter is online) : 0
555 * Failed (Adapter is offline/disabled) : 1
558 qla2x00_wait_for_hba_online(scsi_qla_host_t *ha)
561 unsigned long wait_online;
562 scsi_qla_host_t *pha = to_qla_parent(ha);
564 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
565 while (((test_bit(ISP_ABORT_NEEDED, &pha->dpc_flags)) ||
566 test_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags) ||
567 test_bit(ISP_ABORT_RETRY, &pha->dpc_flags) ||
568 pha->dpc_active) && time_before(jiffies, wait_online)) {
572 if (pha->flags.online)
573 return_status = QLA_SUCCESS;
575 return_status = QLA_FUNCTION_FAILED;
577 DEBUG2(printk("%s return_status=%d\n",__func__,return_status));
579 return (return_status);
583 * qla2x00_wait_for_loop_ready
584 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
585 * to be in LOOP_READY state.
587 * ha - pointer to host adapter structure
590 * Does context switching-Release SPIN_LOCK
591 * (if any) before calling this routine.
595 * Success (LOOP_READY) : 0
596 * Failed (LOOP_NOT_READY) : 1
599 qla2x00_wait_for_loop_ready(scsi_qla_host_t *ha)
601 int return_status = QLA_SUCCESS;
602 unsigned long loop_timeout ;
603 scsi_qla_host_t *pha = to_qla_parent(ha);
605 /* wait for 5 min at the max for loop to be ready */
606 loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
608 while ((!atomic_read(&pha->loop_down_timer) &&
609 atomic_read(&pha->loop_state) == LOOP_DOWN) ||
610 atomic_read(&pha->loop_state) != LOOP_READY) {
611 if (atomic_read(&pha->loop_state) == LOOP_DEAD) {
612 return_status = QLA_FUNCTION_FAILED;
616 if (time_after_eq(jiffies, loop_timeout)) {
617 return_status = QLA_FUNCTION_FAILED;
621 return (return_status);
625 qla2x00_block_error_handler(struct scsi_cmnd *cmnd)
627 struct Scsi_Host *shost = cmnd->device->host;
628 struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device));
631 spin_lock_irqsave(shost->host_lock, flags);
632 while (rport->port_state == FC_PORTSTATE_BLOCKED) {
633 spin_unlock_irqrestore(shost->host_lock, flags);
635 spin_lock_irqsave(shost->host_lock, flags);
637 spin_unlock_irqrestore(shost->host_lock, flags);
641 /**************************************************************************
645 * The abort function will abort the specified command.
648 * cmd = Linux SCSI command packet to be aborted.
651 * Either SUCCESS or FAILED.
654 * Only return FAILED if command not returned by firmware.
655 **************************************************************************/
657 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
659 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
662 unsigned int id, lun;
663 unsigned long serial;
666 scsi_qla_host_t *pha = to_qla_parent(ha);
668 qla2x00_block_error_handler(cmd);
675 id = cmd->device->id;
676 lun = cmd->device->lun;
677 serial = cmd->serial_number;
679 /* Check active list for command command. */
680 spin_lock_irqsave(&pha->hardware_lock, flags);
681 for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
682 sp = pha->outstanding_cmds[i];
690 DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld.\n",
691 __func__, ha->host_no, sp, serial));
692 DEBUG3(qla2x00_print_scsi_cmd(cmd));
694 spin_unlock_irqrestore(&pha->hardware_lock, flags);
695 if (ha->isp_ops->abort_command(ha, sp)) {
696 DEBUG2(printk("%s(%ld): abort_command "
697 "mbx failed.\n", __func__, ha->host_no));
699 DEBUG3(printk("%s(%ld): abort_command "
700 "mbx success.\n", __func__, ha->host_no));
703 spin_lock_irqsave(&pha->hardware_lock, flags);
707 spin_unlock_irqrestore(&pha->hardware_lock, flags);
709 /* Wait for the command to be returned. */
711 if (qla2x00_eh_wait_on_command(ha, cmd) != QLA_SUCCESS) {
712 qla_printk(KERN_ERR, ha,
713 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
714 "%x.\n", ha->host_no, id, lun, serial, ret);
719 qla_printk(KERN_INFO, ha,
720 "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
721 ha->host_no, id, lun, wait, serial, ret);
726 /**************************************************************************
727 * qla2x00_eh_wait_for_pending_target_commands
730 * Waits for all the commands to come back from the specified target.
733 * ha - pointer to scsi_qla_host structure.
736 * Either SUCCESS or FAILED.
739 **************************************************************************/
741 qla2x00_eh_wait_for_pending_target_commands(scsi_qla_host_t *ha, unsigned int t)
746 struct scsi_cmnd *cmd;
748 scsi_qla_host_t *pha = to_qla_parent(ha);
753 * Waiting for all commands for the designated target in the active
756 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
757 spin_lock_irqsave(&pha->hardware_lock, flags);
758 sp = pha->outstanding_cmds[cnt];
761 spin_unlock_irqrestore(&pha->hardware_lock, flags);
762 if (cmd->device->id == t &&
763 ha->vp_idx == sp->ha->vp_idx) {
764 if (!qla2x00_eh_wait_on_command(ha, cmd)) {
770 spin_unlock_irqrestore(&pha->hardware_lock, flags);
777 /**************************************************************************
778 * qla2xxx_eh_device_reset
781 * The device reset function will reset the target and abort any
782 * executing commands.
784 * NOTE: The use of SP is undefined within this context. Do *NOT*
785 * attempt to use this value, even if you determine it is
789 * cmd = Linux SCSI command packet of the command that cause the
793 * SUCCESS/FAILURE (defined as macro in scsi.h).
795 **************************************************************************/
797 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
799 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
800 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
802 unsigned int id, lun;
803 unsigned long serial;
805 qla2x00_block_error_handler(cmd);
807 id = cmd->device->id;
808 lun = cmd->device->lun;
809 serial = cmd->serial_number;
814 qla_printk(KERN_INFO, ha,
815 "scsi(%ld:%d:%d): DEVICE RESET ISSUED.\n", ha->host_no, id, lun);
817 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
818 goto eh_dev_reset_done;
820 if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
821 if (qla2x00_device_reset(ha, fcport) == 0)
824 #if defined(LOGOUT_AFTER_DEVICE_RESET)
825 if (ret == SUCCESS) {
826 if (fcport->flags & FC_FABRIC_DEVICE) {
827 ha->isp_ops->fabric_logout(ha, fcport->loop_id);
828 qla2x00_mark_device_lost(ha, fcport, 0, 0);
833 DEBUG2(printk(KERN_INFO
834 "%s failed: loop not ready\n",__func__));
838 DEBUG3(printk("%s(%ld): device reset failed\n",
839 __func__, ha->host_no));
840 qla_printk(KERN_INFO, ha, "%s: device reset failed\n",
843 goto eh_dev_reset_done;
846 /* Flush outstanding commands. */
847 if (qla2x00_eh_wait_for_pending_target_commands(ha, id))
850 DEBUG3(printk("%s(%ld): failed while waiting for commands\n",
851 __func__, ha->host_no));
852 qla_printk(KERN_INFO, ha,
853 "%s: failed while waiting for commands\n", __func__);
855 qla_printk(KERN_INFO, ha,
856 "scsi(%ld:%d:%d): DEVICE RESET SUCCEEDED.\n", ha->host_no,
862 /**************************************************************************
863 * qla2x00_eh_wait_for_pending_commands
866 * Waits for all the commands to come back from the specified host.
869 * ha - pointer to scsi_qla_host structure.
876 **************************************************************************/
878 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha)
883 struct scsi_cmnd *cmd;
889 * Waiting for all commands for the designated target in the active
892 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
893 spin_lock_irqsave(&ha->hardware_lock, flags);
894 sp = ha->outstanding_cmds[cnt];
897 spin_unlock_irqrestore(&ha->hardware_lock, flags);
898 status = qla2x00_eh_wait_on_command(ha, cmd);
903 spin_unlock_irqrestore(&ha->hardware_lock, flags);
910 /**************************************************************************
911 * qla2xxx_eh_bus_reset
914 * The bus reset function will reset the bus and abort any executing
918 * cmd = Linux SCSI command packet of the command that cause the
922 * SUCCESS/FAILURE (defined as macro in scsi.h).
924 **************************************************************************/
926 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
928 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
929 scsi_qla_host_t *pha = to_qla_parent(ha);
930 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
932 unsigned int id, lun;
933 unsigned long serial;
935 qla2x00_block_error_handler(cmd);
937 id = cmd->device->id;
938 lun = cmd->device->lun;
939 serial = cmd->serial_number;
944 qla_printk(KERN_INFO, ha,
945 "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha->host_no, id, lun);
947 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) {
948 DEBUG2(printk("%s failed:board disabled\n",__func__));
949 goto eh_bus_reset_done;
952 if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
953 if (qla2x00_loop_reset(ha) == QLA_SUCCESS)
957 goto eh_bus_reset_done;
959 /* Flush outstanding commands. */
960 if (!qla2x00_eh_wait_for_pending_commands(pha))
964 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
965 (ret == FAILED) ? "failed" : "succeded");
970 /**************************************************************************
971 * qla2xxx_eh_host_reset
974 * The reset function will reset the Adapter.
977 * cmd = Linux SCSI command packet of the command that cause the
981 * Either SUCCESS or FAILED.
984 **************************************************************************/
986 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
988 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
989 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
991 unsigned int id, lun;
992 unsigned long serial;
993 scsi_qla_host_t *pha = to_qla_parent(ha);
995 qla2x00_block_error_handler(cmd);
997 id = cmd->device->id;
998 lun = cmd->device->lun;
999 serial = cmd->serial_number;
1004 qla_printk(KERN_INFO, ha,
1005 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha->host_no, id, lun);
1007 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
1008 goto eh_host_reset_lock;
1011 * Fixme-may be dpc thread is active and processing
1012 * loop_resync,so wait a while for it to
1013 * be completed and then issue big hammer.Otherwise
1014 * it may cause I/O failure as big hammer marks the
1015 * devices as lost kicking of the port_down_timer
1016 * while dpc is stuck for the mailbox to complete.
1018 qla2x00_wait_for_loop_ready(ha);
1019 set_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
1020 if (qla2x00_abort_isp(pha)) {
1021 clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
1022 /* failed. schedule dpc to try */
1023 set_bit(ISP_ABORT_NEEDED, &pha->dpc_flags);
1025 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
1026 goto eh_host_reset_lock;
1028 clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
1030 /* Waiting for our command in done_queue to be returned to OS.*/
1031 if (qla2x00_eh_wait_for_pending_commands(pha))
1035 qla2x00_vp_abort_isp(ha);
1038 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1039 (ret == FAILED) ? "failed" : "succeded");
1045 * qla2x00_loop_reset
1049 * ha = adapter block pointer.
1055 qla2x00_loop_reset(scsi_qla_host_t *ha)
1058 struct fc_port *fcport;
1060 if (ha->flags.enable_lip_full_login) {
1061 ret = qla2x00_full_login_lip(ha);
1062 if (ret != QLA_SUCCESS) {
1063 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1064 "full_login_lip=%d.\n", __func__, ha->host_no,
1067 atomic_set(&ha->loop_state, LOOP_DOWN);
1068 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
1069 qla2x00_mark_all_devices_lost(ha, 0);
1070 qla2x00_wait_for_loop_ready(ha);
1073 if (ha->flags.enable_lip_reset) {
1074 ret = qla2x00_lip_reset(ha);
1075 if (ret != QLA_SUCCESS) {
1076 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1077 "lip_reset=%d.\n", __func__, ha->host_no, ret));
1079 qla2x00_wait_for_loop_ready(ha);
1082 if (ha->flags.enable_target_reset) {
1083 list_for_each_entry(fcport, &ha->fcports, list) {
1084 if (fcport->port_type != FCT_TARGET)
1087 ret = qla2x00_device_reset(ha, fcport);
1088 if (ret != QLA_SUCCESS) {
1089 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1090 "target_reset=%d d_id=%x.\n", __func__,
1091 ha->host_no, ret, fcport->d_id.b24));
1096 /* Issue marker command only when we are going to start the I/O */
1097 ha->marker_needed = 1;
1103 * qla2x00_device_reset
1104 * Issue bus device reset message to the target.
1107 * ha = adapter block pointer.
1109 * TARGET_QUEUE_LOCK must be released.
1110 * ADAPTER_STATE_LOCK must be released.
1116 qla2x00_device_reset(scsi_qla_host_t *ha, fc_port_t *reset_fcport)
1118 /* Abort Target command will clear Reservation */
1119 return ha->isp_ops->abort_target(reset_fcport);
1123 qla2xxx_slave_alloc(struct scsi_device *sdev)
1125 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1127 if (!rport || fc_remote_port_chkready(rport))
1130 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1136 qla2xxx_slave_configure(struct scsi_device *sdev)
1138 scsi_qla_host_t *ha = shost_priv(sdev->host);
1139 struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1141 if (sdev->tagged_supported)
1142 scsi_activate_tcq(sdev, ha->max_q_depth);
1144 scsi_deactivate_tcq(sdev, ha->max_q_depth);
1146 rport->dev_loss_tmo = ha->port_down_retry_count + 5;
1152 qla2xxx_slave_destroy(struct scsi_device *sdev)
1154 sdev->hostdata = NULL;
1158 qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
1160 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1161 return sdev->queue_depth;
1165 qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1167 if (sdev->tagged_supported) {
1168 scsi_set_tag_type(sdev, tag_type);
1170 scsi_activate_tcq(sdev, sdev->queue_depth);
1172 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1180 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1183 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1184 * supported addressing method.
1187 qla2x00_config_dma_addressing(scsi_qla_host_t *ha)
1189 /* Assume a 32bit DMA mask. */
1190 ha->flags.enable_64bit_addressing = 0;
1192 if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) {
1193 /* Any upper-dword bits set? */
1194 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1195 !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) {
1196 /* Ok, a 64bit DMA mask is applicable. */
1197 ha->flags.enable_64bit_addressing = 1;
1198 ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1199 ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1204 dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK);
1205 pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK);
1209 qla2x00_enable_intrs(scsi_qla_host_t *ha)
1211 unsigned long flags = 0;
1212 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1214 spin_lock_irqsave(&ha->hardware_lock, flags);
1215 ha->interrupts_on = 1;
1216 /* enable risc and host interrupts */
1217 WRT_REG_WORD(®->ictrl, ICR_EN_INT | ICR_EN_RISC);
1218 RD_REG_WORD(®->ictrl);
1219 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1224 qla2x00_disable_intrs(scsi_qla_host_t *ha)
1226 unsigned long flags = 0;
1227 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1229 spin_lock_irqsave(&ha->hardware_lock, flags);
1230 ha->interrupts_on = 0;
1231 /* disable risc and host interrupts */
1232 WRT_REG_WORD(®->ictrl, 0);
1233 RD_REG_WORD(®->ictrl);
1234 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1238 qla24xx_enable_intrs(scsi_qla_host_t *ha)
1240 unsigned long flags = 0;
1241 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1243 spin_lock_irqsave(&ha->hardware_lock, flags);
1244 ha->interrupts_on = 1;
1245 WRT_REG_DWORD(®->ictrl, ICRX_EN_RISC_INT);
1246 RD_REG_DWORD(®->ictrl);
1247 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1251 qla24xx_disable_intrs(scsi_qla_host_t *ha)
1253 unsigned long flags = 0;
1254 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1256 spin_lock_irqsave(&ha->hardware_lock, flags);
1257 ha->interrupts_on = 0;
1258 WRT_REG_DWORD(®->ictrl, 0);
1259 RD_REG_DWORD(®->ictrl);
1260 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1263 static struct isp_operations qla2100_isp_ops = {
1264 .pci_config = qla2100_pci_config,
1265 .reset_chip = qla2x00_reset_chip,
1266 .chip_diag = qla2x00_chip_diag,
1267 .config_rings = qla2x00_config_rings,
1268 .reset_adapter = qla2x00_reset_adapter,
1269 .nvram_config = qla2x00_nvram_config,
1270 .update_fw_options = qla2x00_update_fw_options,
1271 .load_risc = qla2x00_load_risc,
1272 .pci_info_str = qla2x00_pci_info_str,
1273 .fw_version_str = qla2x00_fw_version_str,
1274 .intr_handler = qla2100_intr_handler,
1275 .enable_intrs = qla2x00_enable_intrs,
1276 .disable_intrs = qla2x00_disable_intrs,
1277 .abort_command = qla2x00_abort_command,
1278 .abort_target = qla2x00_abort_target,
1279 .fabric_login = qla2x00_login_fabric,
1280 .fabric_logout = qla2x00_fabric_logout,
1281 .calc_req_entries = qla2x00_calc_iocbs_32,
1282 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1283 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1284 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1285 .read_nvram = qla2x00_read_nvram_data,
1286 .write_nvram = qla2x00_write_nvram_data,
1287 .fw_dump = qla2100_fw_dump,
1290 .beacon_blink = NULL,
1291 .read_optrom = qla2x00_read_optrom_data,
1292 .write_optrom = qla2x00_write_optrom_data,
1293 .get_flash_version = qla2x00_get_flash_version,
1296 static struct isp_operations qla2300_isp_ops = {
1297 .pci_config = qla2300_pci_config,
1298 .reset_chip = qla2x00_reset_chip,
1299 .chip_diag = qla2x00_chip_diag,
1300 .config_rings = qla2x00_config_rings,
1301 .reset_adapter = qla2x00_reset_adapter,
1302 .nvram_config = qla2x00_nvram_config,
1303 .update_fw_options = qla2x00_update_fw_options,
1304 .load_risc = qla2x00_load_risc,
1305 .pci_info_str = qla2x00_pci_info_str,
1306 .fw_version_str = qla2x00_fw_version_str,
1307 .intr_handler = qla2300_intr_handler,
1308 .enable_intrs = qla2x00_enable_intrs,
1309 .disable_intrs = qla2x00_disable_intrs,
1310 .abort_command = qla2x00_abort_command,
1311 .abort_target = qla2x00_abort_target,
1312 .fabric_login = qla2x00_login_fabric,
1313 .fabric_logout = qla2x00_fabric_logout,
1314 .calc_req_entries = qla2x00_calc_iocbs_32,
1315 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1316 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1317 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1318 .read_nvram = qla2x00_read_nvram_data,
1319 .write_nvram = qla2x00_write_nvram_data,
1320 .fw_dump = qla2300_fw_dump,
1321 .beacon_on = qla2x00_beacon_on,
1322 .beacon_off = qla2x00_beacon_off,
1323 .beacon_blink = qla2x00_beacon_blink,
1324 .read_optrom = qla2x00_read_optrom_data,
1325 .write_optrom = qla2x00_write_optrom_data,
1326 .get_flash_version = qla2x00_get_flash_version,
1329 static struct isp_operations qla24xx_isp_ops = {
1330 .pci_config = qla24xx_pci_config,
1331 .reset_chip = qla24xx_reset_chip,
1332 .chip_diag = qla24xx_chip_diag,
1333 .config_rings = qla24xx_config_rings,
1334 .reset_adapter = qla24xx_reset_adapter,
1335 .nvram_config = qla24xx_nvram_config,
1336 .update_fw_options = qla24xx_update_fw_options,
1337 .load_risc = qla24xx_load_risc,
1338 .pci_info_str = qla24xx_pci_info_str,
1339 .fw_version_str = qla24xx_fw_version_str,
1340 .intr_handler = qla24xx_intr_handler,
1341 .enable_intrs = qla24xx_enable_intrs,
1342 .disable_intrs = qla24xx_disable_intrs,
1343 .abort_command = qla24xx_abort_command,
1344 .abort_target = qla24xx_abort_target,
1345 .fabric_login = qla24xx_login_fabric,
1346 .fabric_logout = qla24xx_fabric_logout,
1347 .calc_req_entries = NULL,
1348 .build_iocbs = NULL,
1349 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1350 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1351 .read_nvram = qla24xx_read_nvram_data,
1352 .write_nvram = qla24xx_write_nvram_data,
1353 .fw_dump = qla24xx_fw_dump,
1354 .beacon_on = qla24xx_beacon_on,
1355 .beacon_off = qla24xx_beacon_off,
1356 .beacon_blink = qla24xx_beacon_blink,
1357 .read_optrom = qla24xx_read_optrom_data,
1358 .write_optrom = qla24xx_write_optrom_data,
1359 .get_flash_version = qla24xx_get_flash_version,
1362 static struct isp_operations qla25xx_isp_ops = {
1363 .pci_config = qla25xx_pci_config,
1364 .reset_chip = qla24xx_reset_chip,
1365 .chip_diag = qla24xx_chip_diag,
1366 .config_rings = qla24xx_config_rings,
1367 .reset_adapter = qla24xx_reset_adapter,
1368 .nvram_config = qla24xx_nvram_config,
1369 .update_fw_options = qla24xx_update_fw_options,
1370 .load_risc = qla24xx_load_risc,
1371 .pci_info_str = qla24xx_pci_info_str,
1372 .fw_version_str = qla24xx_fw_version_str,
1373 .intr_handler = qla24xx_intr_handler,
1374 .enable_intrs = qla24xx_enable_intrs,
1375 .disable_intrs = qla24xx_disable_intrs,
1376 .abort_command = qla24xx_abort_command,
1377 .abort_target = qla24xx_abort_target,
1378 .fabric_login = qla24xx_login_fabric,
1379 .fabric_logout = qla24xx_fabric_logout,
1380 .calc_req_entries = NULL,
1381 .build_iocbs = NULL,
1382 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1383 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1384 .read_nvram = qla25xx_read_nvram_data,
1385 .write_nvram = qla25xx_write_nvram_data,
1386 .fw_dump = qla25xx_fw_dump,
1387 .beacon_on = qla24xx_beacon_on,
1388 .beacon_off = qla24xx_beacon_off,
1389 .beacon_blink = qla24xx_beacon_blink,
1390 .read_optrom = qla25xx_read_optrom_data,
1391 .write_optrom = qla24xx_write_optrom_data,
1392 .get_flash_version = qla24xx_get_flash_version,
1396 qla2x00_set_isp_flags(scsi_qla_host_t *ha)
1398 ha->device_type = DT_EXTENDED_IDS;
1399 switch (ha->pdev->device) {
1400 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1401 ha->device_type |= DT_ISP2100;
1402 ha->device_type &= ~DT_EXTENDED_IDS;
1403 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1405 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1406 ha->device_type |= DT_ISP2200;
1407 ha->device_type &= ~DT_EXTENDED_IDS;
1408 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1410 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1411 ha->device_type |= DT_ISP2300;
1412 ha->device_type |= DT_ZIO_SUPPORTED;
1413 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1415 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1416 ha->device_type |= DT_ISP2312;
1417 ha->device_type |= DT_ZIO_SUPPORTED;
1418 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1420 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1421 ha->device_type |= DT_ISP2322;
1422 ha->device_type |= DT_ZIO_SUPPORTED;
1423 if (ha->pdev->subsystem_vendor == 0x1028 &&
1424 ha->pdev->subsystem_device == 0x0170)
1425 ha->device_type |= DT_OEM_001;
1426 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1428 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1429 ha->device_type |= DT_ISP6312;
1430 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1432 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1433 ha->device_type |= DT_ISP6322;
1434 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1436 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1437 ha->device_type |= DT_ISP2422;
1438 ha->device_type |= DT_ZIO_SUPPORTED;
1439 ha->device_type |= DT_FWI2;
1440 ha->device_type |= DT_IIDMA;
1441 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1443 case PCI_DEVICE_ID_QLOGIC_ISP2432:
1444 ha->device_type |= DT_ISP2432;
1445 ha->device_type |= DT_ZIO_SUPPORTED;
1446 ha->device_type |= DT_FWI2;
1447 ha->device_type |= DT_IIDMA;
1448 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1450 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1451 ha->device_type |= DT_ISP5422;
1452 ha->device_type |= DT_FWI2;
1453 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1455 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1456 ha->device_type |= DT_ISP5432;
1457 ha->device_type |= DT_FWI2;
1458 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1460 case PCI_DEVICE_ID_QLOGIC_ISP2532:
1461 ha->device_type |= DT_ISP2532;
1462 ha->device_type |= DT_ZIO_SUPPORTED;
1463 ha->device_type |= DT_FWI2;
1464 ha->device_type |= DT_IIDMA;
1465 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1471 qla2x00_iospace_config(scsi_qla_host_t *ha)
1473 resource_size_t pio;
1475 if (pci_request_selected_regions(ha->pdev, ha->bars,
1476 QLA2XXX_DRIVER_NAME)) {
1477 qla_printk(KERN_WARNING, ha,
1478 "Failed to reserve PIO/MMIO regions (%s)\n",
1479 pci_name(ha->pdev));
1481 goto iospace_error_exit;
1483 if (!(ha->bars & 1))
1486 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1487 pio = pci_resource_start(ha->pdev, 0);
1488 if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1489 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1490 qla_printk(KERN_WARNING, ha,
1491 "Invalid PCI I/O region size (%s)...\n",
1492 pci_name(ha->pdev));
1496 qla_printk(KERN_WARNING, ha,
1497 "region #0 not a PIO resource (%s)...\n",
1498 pci_name(ha->pdev));
1501 ha->pio_address = pio;
1504 /* Use MMIO operations for all accesses. */
1505 if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1506 qla_printk(KERN_ERR, ha,
1507 "region #1 not an MMIO resource (%s), aborting\n",
1508 pci_name(ha->pdev));
1509 goto iospace_error_exit;
1511 if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1512 qla_printk(KERN_ERR, ha,
1513 "Invalid PCI mem region size (%s), aborting\n",
1514 pci_name(ha->pdev));
1515 goto iospace_error_exit;
1518 ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1520 qla_printk(KERN_ERR, ha,
1521 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1523 goto iospace_error_exit;
1533 qla2xxx_scan_start(struct Scsi_Host *shost)
1535 scsi_qla_host_t *ha = shost_priv(shost);
1537 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
1538 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1539 set_bit(RSCN_UPDATE, &ha->dpc_flags);
1543 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1545 scsi_qla_host_t *ha = shost_priv(shost);
1549 if (time > ha->loop_reset_delay * HZ)
1552 return atomic_read(&ha->loop_state) == LOOP_READY;
1556 * PCI driver interface
1558 static int __devinit
1559 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1562 device_reg_t __iomem *reg;
1563 struct Scsi_Host *host;
1564 scsi_qla_host_t *ha;
1565 unsigned long flags = 0;
1568 struct scsi_host_template *sht;
1571 bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
1572 sht = &qla2x00_driver_template;
1573 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
1574 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
1575 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
1576 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
1577 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532) {
1578 bars = pci_select_bars(pdev, IORESOURCE_MEM);
1579 sht = &qla24xx_driver_template;
1582 if (pci_enable_device_bars(pdev, bars))
1585 if (pci_find_aer_capability(pdev))
1586 if (pci_enable_pcie_error_reporting(pdev))
1589 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
1592 "qla2xxx: Couldn't allocate host from scsi layer!\n");
1593 goto probe_disable_device;
1596 /* Clear our data area */
1597 ha = shost_priv(host);
1598 memset(ha, 0, sizeof(scsi_qla_host_t));
1602 ha->host_no = host->host_no;
1603 sprintf(ha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, ha->host_no);
1607 /* Set ISP-type information. */
1608 qla2x00_set_isp_flags(ha);
1610 /* Configure PCI I/O space */
1611 ret = qla2x00_iospace_config(ha);
1615 qla_printk(KERN_INFO, ha,
1616 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1619 spin_lock_init(&ha->hardware_lock);
1621 ha->prev_topology = 0;
1622 ha->init_cb_size = sizeof(init_cb_t);
1623 ha->mgmt_svr_loop_id = MANAGEMENT_SERVER + ha->vp_idx;
1624 ha->link_data_rate = PORT_SPEED_UNKNOWN;
1625 ha->optrom_size = OPTROM_SIZE_2300;
1627 ha->max_q_depth = MAX_Q_DEPTH;
1628 if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
1629 ha->max_q_depth = ql2xmaxqdepth;
1631 /* Assign ISP specific operations. */
1632 if (IS_QLA2100(ha)) {
1633 host->max_id = MAX_TARGETS_2100;
1634 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
1635 ha->request_q_length = REQUEST_ENTRY_CNT_2100;
1636 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1637 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
1638 host->sg_tablesize = 32;
1639 ha->gid_list_info_size = 4;
1640 ha->isp_ops = &qla2100_isp_ops;
1641 } else if (IS_QLA2200(ha)) {
1642 host->max_id = MAX_TARGETS_2200;
1643 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1644 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1645 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1646 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
1647 ha->gid_list_info_size = 4;
1648 ha->isp_ops = &qla2100_isp_ops;
1649 } else if (IS_QLA23XX(ha)) {
1650 host->max_id = MAX_TARGETS_2200;
1651 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1652 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1653 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1654 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1655 ha->gid_list_info_size = 6;
1656 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1657 ha->optrom_size = OPTROM_SIZE_2322;
1658 ha->isp_ops = &qla2300_isp_ops;
1659 } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
1660 host->max_id = MAX_TARGETS_2200;
1661 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1662 ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
1663 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1664 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1665 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1666 ha->mgmt_svr_loop_id = 10 + ha->vp_idx;
1667 ha->gid_list_info_size = 8;
1668 ha->optrom_size = OPTROM_SIZE_24XX;
1669 ha->isp_ops = &qla24xx_isp_ops;
1670 } else if (IS_QLA25XX(ha)) {
1671 host->max_id = MAX_TARGETS_2200;
1672 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1673 ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
1674 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1675 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1676 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1677 ha->mgmt_svr_loop_id = 10 + ha->vp_idx;
1678 ha->gid_list_info_size = 8;
1679 ha->optrom_size = OPTROM_SIZE_25XX;
1680 ha->isp_ops = &qla25xx_isp_ops;
1682 host->can_queue = ha->request_q_length + 128;
1684 /* load the F/W, read paramaters, and init the H/W */
1685 ha->instance = num_hosts;
1687 init_MUTEX(&ha->vport_sem);
1688 init_completion(&ha->mbx_cmd_comp);
1689 complete(&ha->mbx_cmd_comp);
1690 init_completion(&ha->mbx_intr_comp);
1692 INIT_LIST_HEAD(&ha->list);
1693 INIT_LIST_HEAD(&ha->fcports);
1694 INIT_LIST_HEAD(&ha->vp_list);
1696 set_bit(0, (unsigned long *) ha->vp_idx_map);
1698 qla2x00_config_dma_addressing(ha);
1699 if (qla2x00_mem_alloc(ha)) {
1700 qla_printk(KERN_WARNING, ha,
1701 "[ERROR] Failed to allocate memory for adapter\n");
1707 if (qla2x00_initialize_adapter(ha)) {
1708 qla_printk(KERN_WARNING, ha,
1709 "Failed to initialize adapter\n");
1711 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1712 "Adapter flags %x.\n",
1713 ha->host_no, ha->device_flags));
1720 * Startup the kernel thread for this host adapter
1722 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
1723 "%s_dpc", ha->host_str);
1724 if (IS_ERR(ha->dpc_thread)) {
1725 qla_printk(KERN_WARNING, ha,
1726 "Unable to start DPC thread!\n");
1727 ret = PTR_ERR(ha->dpc_thread);
1731 host->this_id = 255;
1732 host->cmd_per_lun = 3;
1733 host->unique_id = ha->instance;
1734 host->max_cmd_len = MAX_CMDSZ;
1735 host->max_channel = MAX_BUSES - 1;
1736 host->max_lun = MAX_LUNS;
1737 host->transportt = qla2xxx_transport_template;
1739 ret = qla2x00_request_irqs(ha);
1743 /* Initialized the timer */
1744 qla2x00_start_timer(ha, qla2x00_timer, WATCH_INTERVAL);
1746 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
1749 ha->isp_ops->disable_intrs(ha);
1751 spin_lock_irqsave(&ha->hardware_lock, flags);
1753 if (IS_FWI2_CAPABLE(ha)) {
1754 WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_HOST_INT);
1755 WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_RISC_INT);
1757 WRT_REG_WORD(®->isp.semaphore, 0);
1758 WRT_REG_WORD(®->isp.hccr, HCCR_CLR_RISC_INT);
1759 WRT_REG_WORD(®->isp.hccr, HCCR_CLR_HOST_INT);
1761 /* Enable proper parity */
1762 if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1765 WRT_REG_WORD(®->isp.hccr,
1766 (HCCR_ENABLE_PARITY + 0x1));
1768 /* SRAM, Instruction RAM and GP RAM parity */
1769 WRT_REG_WORD(®->isp.hccr,
1770 (HCCR_ENABLE_PARITY + 0x7));
1773 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1775 ha->isp_ops->enable_intrs(ha);
1777 pci_set_drvdata(pdev, ha);
1779 ha->flags.init_done = 1;
1780 ha->flags.online = 1;
1784 ret = scsi_add_host(host, &pdev->dev);
1788 scsi_scan_host(host);
1790 qla2x00_alloc_sysfs_attr(ha);
1792 qla2x00_init_host_attr(ha);
1794 qla2x00_dfs_setup(ha);
1796 qla_printk(KERN_INFO, ha, "\n"
1797 " QLogic Fibre Channel HBA Driver: %s\n"
1799 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
1800 qla2x00_version_str, ha->model_number,
1801 ha->model_desc ? ha->model_desc: "", pdev->device,
1802 ha->isp_ops->pci_info_str(ha, pci_info), pci_name(pdev),
1803 ha->flags.enable_64bit_addressing ? '+': '-', ha->host_no,
1804 ha->isp_ops->fw_version_str(ha, fw_str));
1809 qla2x00_free_device(ha);
1811 scsi_host_put(host);
1813 probe_disable_device:
1814 pci_disable_device(pdev);
1821 qla2x00_remove_one(struct pci_dev *pdev)
1823 scsi_qla_host_t *ha;
1825 ha = pci_get_drvdata(pdev);
1827 qla2x00_dfs_remove(ha);
1829 qla2x00_free_sysfs_attr(ha);
1831 fc_remove_host(ha->host);
1833 scsi_remove_host(ha->host);
1835 qla2x00_free_device(ha);
1837 scsi_host_put(ha->host);
1839 pci_disable_device(pdev);
1840 pci_set_drvdata(pdev, NULL);
1844 qla2x00_free_device(scsi_qla_host_t *ha)
1847 if (ha->timer_active)
1848 qla2x00_stop_timer(ha);
1850 /* Kill the kernel thread for this host */
1851 if (ha->dpc_thread) {
1852 struct task_struct *t = ha->dpc_thread;
1855 * qla2xxx_wake_dpc checks for ->dpc_thread
1856 * so we need to zero it out.
1858 ha->dpc_thread = NULL;
1862 if (ha->flags.fce_enabled)
1863 qla2x00_disable_fce_trace(ha, NULL, NULL);
1866 qla2x00_disable_eft_trace(ha);
1868 ha->flags.online = 0;
1870 /* Stop currently executing firmware. */
1871 qla2x00_try_to_stop_firmware(ha);
1873 /* turn-off interrupts on the card */
1874 if (ha->interrupts_on)
1875 ha->isp_ops->disable_intrs(ha);
1877 qla2x00_mem_free(ha);
1879 qla2x00_free_irqs(ha);
1881 /* release io space registers */
1883 iounmap(ha->iobase);
1884 pci_release_selected_regions(ha->pdev, ha->bars);
1888 qla2x00_schedule_rport_del(struct scsi_qla_host *ha, fc_port_t *fcport,
1891 unsigned long flags;
1892 struct fc_rport *rport;
1897 rport = fcport->rport;
1899 spin_lock_irqsave(&fcport->rport_lock, flags);
1900 fcport->drport = rport;
1901 fcport->rport = NULL;
1902 *(fc_port_t **)rport->dd_data = NULL;
1903 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1904 set_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags);
1906 spin_lock_irqsave(&fcport->rport_lock, flags);
1907 fcport->rport = NULL;
1908 *(fc_port_t **)rport->dd_data = NULL;
1909 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1910 fc_remote_port_delete(rport);
1915 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
1917 * Input: ha = adapter block pointer. fcport = port structure pointer.
1923 void qla2x00_mark_device_lost(scsi_qla_host_t *ha, fc_port_t *fcport,
1924 int do_login, int defer)
1926 if (atomic_read(&fcport->state) == FCS_ONLINE &&
1927 ha->vp_idx == fcport->vp_idx)
1928 qla2x00_schedule_rport_del(ha, fcport, defer);
1931 * We may need to retry the login, so don't change the state of the
1932 * port but do the retries.
1934 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
1935 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1940 if (fcport->login_retry == 0) {
1941 fcport->login_retry = ha->login_retry_count;
1942 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
1944 DEBUG(printk("scsi(%ld): Port login retry: "
1945 "%02x%02x%02x%02x%02x%02x%02x%02x, "
1946 "id = 0x%04x retry cnt=%d\n",
1948 fcport->port_name[0],
1949 fcport->port_name[1],
1950 fcport->port_name[2],
1951 fcport->port_name[3],
1952 fcport->port_name[4],
1953 fcport->port_name[5],
1954 fcport->port_name[6],
1955 fcport->port_name[7],
1957 fcport->login_retry));
1962 * qla2x00_mark_all_devices_lost
1963 * Updates fcport state when device goes offline.
1966 * ha = adapter block pointer.
1967 * fcport = port structure pointer.
1975 qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha, int defer)
1978 scsi_qla_host_t *pha = to_qla_parent(ha);
1980 list_for_each_entry(fcport, &pha->fcports, list) {
1981 if (ha->vp_idx != 0 && ha->vp_idx != fcport->vp_idx)
1984 * No point in marking the device as lost, if the device is
1987 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
1989 if (atomic_read(&fcport->state) == FCS_ONLINE) {
1991 qla2x00_schedule_rport_del(ha, fcport, defer);
1992 else if (ha->vp_idx == fcport->vp_idx)
1993 qla2x00_schedule_rport_del(ha, fcport, defer);
1995 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1999 qla2xxx_wake_dpc(ha);
2004 * Allocates adapter memory.
2011 qla2x00_mem_alloc(scsi_qla_host_t *ha)
2019 * This will loop only once if everything goes well, else some
2020 * number of retries will be performed to get around a kernel
2021 * bug where available mem is not allocated until after a
2022 * little delay and a retry.
2024 ha->request_ring = dma_alloc_coherent(&ha->pdev->dev,
2025 (ha->request_q_length + 1) * sizeof(request_t),
2026 &ha->request_dma, GFP_KERNEL);
2027 if (ha->request_ring == NULL) {
2028 qla_printk(KERN_WARNING, ha,
2029 "Memory Allocation failed - request_ring\n");
2031 qla2x00_mem_free(ha);
2037 ha->response_ring = dma_alloc_coherent(&ha->pdev->dev,
2038 (ha->response_q_length + 1) * sizeof(response_t),
2039 &ha->response_dma, GFP_KERNEL);
2040 if (ha->response_ring == NULL) {
2041 qla_printk(KERN_WARNING, ha,
2042 "Memory Allocation failed - response_ring\n");
2044 qla2x00_mem_free(ha);
2050 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2051 &ha->gid_list_dma, GFP_KERNEL);
2052 if (ha->gid_list == NULL) {
2053 qla_printk(KERN_WARNING, ha,
2054 "Memory Allocation failed - gid_list\n");
2056 qla2x00_mem_free(ha);
2062 /* get consistent memory allocated for init control block */
2063 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev,
2064 ha->init_cb_size, &ha->init_cb_dma, GFP_KERNEL);
2065 if (ha->init_cb == NULL) {
2066 qla_printk(KERN_WARNING, ha,
2067 "Memory Allocation failed - init_cb\n");
2069 qla2x00_mem_free(ha);
2074 memset(ha->init_cb, 0, ha->init_cb_size);
2076 snprintf(name, sizeof(name), "%s_%ld", QLA2XXX_DRIVER_NAME,
2078 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2079 DMA_POOL_SIZE, 8, 0);
2080 if (ha->s_dma_pool == NULL) {
2081 qla_printk(KERN_WARNING, ha,
2082 "Memory Allocation failed - s_dma_pool\n");
2084 qla2x00_mem_free(ha);
2090 if (qla2x00_allocate_sp_pool(ha)) {
2091 qla_printk(KERN_WARNING, ha,
2092 "Memory Allocation failed - "
2093 "qla2x00_allocate_sp_pool()\n");
2095 qla2x00_mem_free(ha);
2101 /* Allocate memory for SNS commands */
2102 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2103 /* Get consistent memory allocated for SNS commands */
2104 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
2105 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma,
2107 if (ha->sns_cmd == NULL) {
2109 qla_printk(KERN_WARNING, ha,
2110 "Memory Allocation failed - sns_cmd\n");
2112 qla2x00_mem_free(ha);
2117 memset(ha->sns_cmd, 0, sizeof(struct sns_cmd_pkt));
2119 /* Get consistent memory allocated for MS IOCB */
2120 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2122 if (ha->ms_iocb == NULL) {
2124 qla_printk(KERN_WARNING, ha,
2125 "Memory Allocation failed - ms_iocb\n");
2127 qla2x00_mem_free(ha);
2132 memset(ha->ms_iocb, 0, sizeof(ms_iocb_entry_t));
2135 * Get consistent memory allocated for CT SNS
2138 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
2139 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma,
2141 if (ha->ct_sns == NULL) {
2143 qla_printk(KERN_WARNING, ha,
2144 "Memory Allocation failed - ct_sns\n");
2146 qla2x00_mem_free(ha);
2151 memset(ha->ct_sns, 0, sizeof(struct ct_sns_pkt));
2153 if (IS_FWI2_CAPABLE(ha)) {
2155 * Get consistent memory allocated for SFP
2158 ha->sfp_data = dma_pool_alloc(ha->s_dma_pool,
2159 GFP_KERNEL, &ha->sfp_data_dma);
2160 if (ha->sfp_data == NULL) {
2161 qla_printk(KERN_WARNING, ha,
2162 "Memory Allocation failed - "
2165 qla2x00_mem_free(ha);
2170 memset(ha->sfp_data, 0, SFP_BLOCK_SIZE);
2174 /* Get memory for cached NVRAM */
2175 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2176 if (ha->nvram == NULL) {
2178 qla_printk(KERN_WARNING, ha,
2179 "Memory Allocation failed - nvram cache\n");
2181 qla2x00_mem_free(ha);
2187 /* Done all allocations without any error. */
2190 } while (retry-- && status != 0);
2194 "%s(): **** FAILED ****\n", __func__);
2202 * Frees all adapter allocated memory.
2205 * ha = adapter block pointer.
2208 qla2x00_mem_free(scsi_qla_host_t *ha)
2210 struct list_head *fcpl, *fcptemp;
2215 DEBUG2(printk("%s(): ERROR invalid ha pointer.\n", __func__));
2220 qla2x00_free_sp_pool(ha);
2223 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
2228 dma_free_coherent(&ha->pdev->dev,
2229 ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
2234 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2235 ha->sns_cmd, ha->sns_cmd_dma);
2238 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2239 ha->ct_sns, ha->ct_sns_dma);
2242 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2245 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2248 dma_pool_destroy(ha->s_dma_pool);
2251 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2252 ha->init_cb, ha->init_cb_dma);
2255 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2258 if (ha->response_ring)
2259 dma_free_coherent(&ha->pdev->dev,
2260 (ha->response_q_length + 1) * sizeof(response_t),
2261 ha->response_ring, ha->response_dma);
2263 if (ha->request_ring)
2264 dma_free_coherent(&ha->pdev->dev,
2265 (ha->request_q_length + 1) * sizeof(request_t),
2266 ha->request_ring, ha->request_dma);
2271 ha->sns_cmd_dma = 0;
2275 ha->ms_iocb_dma = 0;
2277 ha->init_cb_dma = 0;
2279 ha->s_dma_pool = NULL;
2281 ha->gid_list = NULL;
2282 ha->gid_list_dma = 0;
2284 ha->response_ring = NULL;
2285 ha->response_dma = 0;
2286 ha->request_ring = NULL;
2287 ha->request_dma = 0;
2289 list_for_each_safe(fcpl, fcptemp, &ha->fcports) {
2290 fcport = list_entry(fcpl, fc_port_t, list);
2293 list_del_init(&fcport->list);
2296 INIT_LIST_HEAD(&ha->fcports);
2300 ha->fw_dump_reading = 0;
2302 vfree(ha->optrom_buffer);
2307 * qla2x00_allocate_sp_pool
2308 * This routine is called during initialization to allocate
2309 * memory for local srb_t.
2312 * ha = adapter block pointer.
2318 qla2x00_allocate_sp_pool(scsi_qla_host_t *ha)
2323 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2324 if (ha->srb_mempool == NULL) {
2325 qla_printk(KERN_INFO, ha, "Unable to allocate SRB mempool.\n");
2326 rval = QLA_FUNCTION_FAILED;
2332 * This routine frees all adapter allocated memory.
2336 qla2x00_free_sp_pool( scsi_qla_host_t *ha)
2338 if (ha->srb_mempool) {
2339 mempool_destroy(ha->srb_mempool);
2340 ha->srb_mempool = NULL;
2344 /**************************************************************************
2346 * This kernel thread is a task that is schedule by the interrupt handler
2347 * to perform the background processing for interrupts.
2350 * This task always run in the context of a kernel thread. It
2351 * is kick-off by the driver's detect code and starts up
2352 * up one per adapter. It immediately goes to sleep and waits for
2353 * some fibre event. When either the interrupt handler or
2354 * the timer routine detects a event it will one of the task
2355 * bits then wake us up.
2356 **************************************************************************/
2358 qla2x00_do_dpc(void *data)
2361 scsi_qla_host_t *ha;
2364 uint16_t next_loopid;
2366 ha = (scsi_qla_host_t *)data;
2368 set_user_nice(current, -20);
2370 while (!kthread_should_stop()) {
2371 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2373 set_current_state(TASK_INTERRUPTIBLE);
2375 __set_current_state(TASK_RUNNING);
2377 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2379 /* Initialization not yet finished. Don't do anything yet. */
2380 if (!ha->flags.init_done)
2383 DEBUG3(printk("scsi(%ld): DPC handler\n", ha->host_no));
2387 if (ha->flags.mbox_busy) {
2392 if (test_and_clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
2394 DEBUG(printk("scsi(%ld): dpc: sched "
2395 "qla2x00_abort_isp ha = %p\n",
2397 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
2400 if (qla2x00_abort_isp(ha)) {
2401 /* failed. retry later */
2402 set_bit(ISP_ABORT_NEEDED,
2405 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2407 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
2411 if (test_and_clear_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags))
2412 qla2x00_update_fcports(ha);
2414 if (test_and_clear_bit(LOOP_RESET_NEEDED, &ha->dpc_flags)) {
2415 DEBUG(printk("scsi(%ld): dpc: sched loop_reset()\n",
2417 qla2x00_loop_reset(ha);
2420 if (test_and_clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) &&
2421 (!(test_and_set_bit(RESET_ACTIVE, &ha->dpc_flags)))) {
2423 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
2426 qla2x00_rst_aen(ha);
2427 clear_bit(RESET_ACTIVE, &ha->dpc_flags);
2430 /* Retry each device up to login retry count */
2431 if ((test_and_clear_bit(RELOGIN_NEEDED, &ha->dpc_flags)) &&
2432 !test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) &&
2433 atomic_read(&ha->loop_state) != LOOP_DOWN) {
2435 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
2439 list_for_each_entry(fcport, &ha->fcports, list) {
2441 * If the port is not ONLINE then try to login
2442 * to it if we haven't run out of retries.
2444 if (atomic_read(&fcport->state) != FCS_ONLINE &&
2445 fcport->login_retry) {
2447 if (fcport->flags & FCF_FABRIC_DEVICE) {
2450 ha->isp_ops->fabric_logout(
2451 ha, fcport->loop_id,
2452 fcport->d_id.b.domain,
2453 fcport->d_id.b.area,
2454 fcport->d_id.b.al_pa);
2455 status = qla2x00_fabric_login(
2456 ha, fcport, &next_loopid);
2459 qla2x00_local_device_login(
2462 fcport->login_retry--;
2463 if (status == QLA_SUCCESS) {
2464 fcport->old_loop_id = fcport->loop_id;
2466 DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n",
2467 ha->host_no, fcport->loop_id));
2469 qla2x00_update_fcport(ha,
2471 } else if (status == 1) {
2472 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
2473 /* retry the login again */
2474 DEBUG(printk("scsi(%ld): Retrying %d login again loop_id 0x%x\n",
2476 fcport->login_retry, fcport->loop_id));
2478 fcport->login_retry = 0;
2480 if (fcport->login_retry == 0)
2481 fcport->loop_id = FC_NO_LOOP_ID;
2483 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2486 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
2490 if ((test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags)) &&
2491 atomic_read(&ha->loop_state) != LOOP_DOWN) {
2493 clear_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags);
2494 DEBUG(printk("scsi(%ld): qla2x00_login_retry()\n",
2497 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
2499 DEBUG(printk("scsi(%ld): qla2x00_login_retry - end\n",
2503 if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
2505 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
2508 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
2511 rval = qla2x00_loop_resync(ha);
2513 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
2516 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
2520 if (test_and_clear_bit(FCPORT_RESCAN_NEEDED, &ha->dpc_flags)) {
2522 DEBUG(printk("scsi(%ld): Rescan flagged fcports...\n",
2525 qla2x00_rescan_fcports(ha);
2527 DEBUG(printk("scsi(%ld): Rescan flagged fcports..."
2532 if (!ha->interrupts_on)
2533 ha->isp_ops->enable_intrs(ha);
2535 if (test_and_clear_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags))
2536 ha->isp_ops->beacon_blink(ha);
2538 qla2x00_do_dpc_all_vps(ha);
2541 } /* End of while(1) */
2543 DEBUG(printk("scsi(%ld): DPC handler exiting\n", ha->host_no));
2546 * Make sure that nobody tries to wake us up again.
2554 qla2xxx_wake_dpc(scsi_qla_host_t *ha)
2557 wake_up_process(ha->dpc_thread);
2562 * Processes asynchronous reset.
2565 * ha = adapter block pointer.
2568 qla2x00_rst_aen(scsi_qla_host_t *ha)
2570 if (ha->flags.online && !ha->flags.reset_active &&
2571 !atomic_read(&ha->loop_down_timer) &&
2572 !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) {
2574 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
2577 * Issue marker command only when we are going to start
2580 ha->marker_needed = 1;
2581 } while (!atomic_read(&ha->loop_down_timer) &&
2582 (test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags)));
2587 qla2x00_sp_free_dma(scsi_qla_host_t *ha, srb_t *sp)
2589 struct scsi_cmnd *cmd = sp->cmd;
2591 if (sp->flags & SRB_DMA_VALID) {
2592 scsi_dma_unmap(cmd);
2593 sp->flags &= ~SRB_DMA_VALID;
2599 qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *sp)
2601 struct scsi_cmnd *cmd = sp->cmd;
2603 qla2x00_sp_free_dma(ha, sp);
2605 mempool_free(sp, ha->srb_mempool);
2607 cmd->scsi_done(cmd);
2610 /**************************************************************************
2616 * Context: Interrupt
2617 ***************************************************************************/
2619 qla2x00_timer(scsi_qla_host_t *ha)
2621 unsigned long cpu_flags = 0;
2627 scsi_qla_host_t *pha = to_qla_parent(ha);
2630 * Ports - Port down timer.
2632 * Whenever, a port is in the LOST state we start decrementing its port
2633 * down timer every second until it reaches zero. Once it reaches zero
2634 * the port it marked DEAD.
2637 list_for_each_entry(fcport, &ha->fcports, list) {
2638 if (fcport->port_type != FCT_TARGET)
2641 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2643 if (atomic_read(&fcport->port_down_timer) == 0)
2646 if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
2647 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
2649 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
2652 t, atomic_read(&fcport->port_down_timer)));
2655 } /* End of for fcport */
2658 /* Loop down handler. */
2659 if (atomic_read(&ha->loop_down_timer) > 0 &&
2660 !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) && ha->flags.online) {
2662 if (atomic_read(&ha->loop_down_timer) ==
2663 ha->loop_down_abort_time) {
2665 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2666 "queues before time expire\n",
2669 if (!IS_QLA2100(ha) && ha->link_down_timeout)
2670 atomic_set(&ha->loop_state, LOOP_DEAD);
2672 /* Schedule an ISP abort to return any tape commands. */
2673 /* NPIV - scan physical port only */
2675 spin_lock_irqsave(&ha->hardware_lock,
2678 index < MAX_OUTSTANDING_COMMANDS;
2682 sp = ha->outstanding_cmds[index];
2686 if (!(sfcp->flags & FCF_TAPE_PRESENT))
2689 set_bit(ISP_ABORT_NEEDED,
2693 spin_unlock_irqrestore(&ha->hardware_lock,
2696 set_bit(ABORT_QUEUES_NEEDED, &ha->dpc_flags);
2700 /* if the loop has been down for 4 minutes, reinit adapter */
2701 if (atomic_dec_and_test(&ha->loop_down_timer) != 0) {
2702 DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - "
2703 "restarting queues.\n",
2706 set_bit(RESTART_QUEUES_NEEDED, &ha->dpc_flags);
2709 if (!(ha->device_flags & DFLG_NO_CABLE)) {
2710 DEBUG(printk("scsi(%ld): Loop down - "
2713 qla_printk(KERN_WARNING, ha,
2714 "Loop down - aborting ISP.\n");
2716 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
2719 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
2721 atomic_read(&ha->loop_down_timer)));
2724 /* Check if beacon LED needs to be blinked */
2725 if (ha->beacon_blink_led == 1) {
2726 set_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags);
2730 /* Schedule the DPC routine if needed */
2731 if ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) ||
2732 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) ||
2733 test_bit(LOOP_RESET_NEEDED, &ha->dpc_flags) ||
2734 test_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags) ||
2736 test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags) ||
2737 test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) ||
2738 test_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags) ||
2739 test_bit(VP_DPC_NEEDED, &ha->dpc_flags) ||
2740 test_bit(RELOGIN_NEEDED, &ha->dpc_flags)))
2741 qla2xxx_wake_dpc(pha);
2743 qla2x00_restart_timer(ha, WATCH_INTERVAL);
2746 /* Firmware interface routines. */
2749 #define FW_ISP21XX 0
2750 #define FW_ISP22XX 1
2751 #define FW_ISP2300 2
2752 #define FW_ISP2322 3
2753 #define FW_ISP24XX 4
2754 #define FW_ISP25XX 5
2756 #define FW_FILE_ISP21XX "ql2100_fw.bin"
2757 #define FW_FILE_ISP22XX "ql2200_fw.bin"
2758 #define FW_FILE_ISP2300 "ql2300_fw.bin"
2759 #define FW_FILE_ISP2322 "ql2322_fw.bin"
2760 #define FW_FILE_ISP24XX "ql2400_fw.bin"
2761 #define FW_FILE_ISP25XX "ql2500_fw.bin"
2763 static DECLARE_MUTEX(qla_fw_lock);
2765 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
2766 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
2767 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
2768 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
2769 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
2770 { .name = FW_FILE_ISP24XX, },
2771 { .name = FW_FILE_ISP25XX, },
2775 qla2x00_request_firmware(scsi_qla_host_t *ha)
2777 struct fw_blob *blob;
2780 if (IS_QLA2100(ha)) {
2781 blob = &qla_fw_blobs[FW_ISP21XX];
2782 } else if (IS_QLA2200(ha)) {
2783 blob = &qla_fw_blobs[FW_ISP22XX];
2784 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
2785 blob = &qla_fw_blobs[FW_ISP2300];
2786 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
2787 blob = &qla_fw_blobs[FW_ISP2322];
2788 } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
2789 blob = &qla_fw_blobs[FW_ISP24XX];
2790 } else if (IS_QLA25XX(ha)) {
2791 blob = &qla_fw_blobs[FW_ISP25XX];
2798 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
2799 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
2800 "(%s).\n", ha->host_no, blob->name));
2812 qla2x00_release_firmware(void)
2817 for (idx = 0; idx < FW_BLOBS; idx++)
2818 if (qla_fw_blobs[idx].fw)
2819 release_firmware(qla_fw_blobs[idx].fw);
2823 static pci_ers_result_t
2824 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
2827 case pci_channel_io_normal:
2828 return PCI_ERS_RESULT_CAN_RECOVER;
2829 case pci_channel_io_frozen:
2830 pci_disable_device(pdev);
2831 return PCI_ERS_RESULT_NEED_RESET;
2832 case pci_channel_io_perm_failure:
2833 qla2x00_remove_one(pdev);
2834 return PCI_ERS_RESULT_DISCONNECT;
2836 return PCI_ERS_RESULT_NEED_RESET;
2839 static pci_ers_result_t
2840 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
2842 int risc_paused = 0;
2844 unsigned long flags;
2845 scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2846 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2847 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
2849 spin_lock_irqsave(&ha->hardware_lock, flags);
2850 if (IS_QLA2100(ha) || IS_QLA2200(ha)){
2851 stat = RD_REG_DWORD(®->hccr);
2852 if (stat & HCCR_RISC_PAUSE)
2854 } else if (IS_QLA23XX(ha)) {
2855 stat = RD_REG_DWORD(®->u.isp2300.host_status);
2856 if (stat & HSR_RISC_PAUSED)
2858 } else if (IS_FWI2_CAPABLE(ha)) {
2859 stat = RD_REG_DWORD(®24->host_status);
2860 if (stat & HSRX_RISC_PAUSED)
2863 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2866 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
2867 "Dumping firmware!\n");
2868 ha->isp_ops->fw_dump(ha, 0);
2870 return PCI_ERS_RESULT_NEED_RESET;
2872 return PCI_ERS_RESULT_RECOVERED;
2875 static pci_ers_result_t
2876 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
2878 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
2879 scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2881 if (pci_enable_device_bars(pdev, ha->bars)) {
2882 qla_printk(KERN_WARNING, ha,
2883 "Can't re-enable PCI device after reset.\n");
2887 pci_set_master(pdev);
2889 if (ha->isp_ops->pci_config(ha))
2892 set_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2893 if (qla2x00_abort_isp(ha)== QLA_SUCCESS)
2894 ret = PCI_ERS_RESULT_RECOVERED;
2895 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2901 qla2xxx_pci_resume(struct pci_dev *pdev)
2903 scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2906 ret = qla2x00_wait_for_hba_online(ha);
2907 if (ret != QLA_SUCCESS) {
2908 qla_printk(KERN_ERR, ha,
2909 "the device failed to resume I/O "
2910 "from slot/link_reset");
2912 pci_cleanup_aer_uncorrect_error_status(pdev);
2915 static struct pci_error_handlers qla2xxx_err_handler = {
2916 .error_detected = qla2xxx_pci_error_detected,
2917 .mmio_enabled = qla2xxx_pci_mmio_enabled,
2918 .slot_reset = qla2xxx_pci_slot_reset,
2919 .resume = qla2xxx_pci_resume,
2922 static struct pci_device_id qla2xxx_pci_tbl[] = {
2923 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
2924 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
2925 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
2926 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
2927 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
2928 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
2929 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
2930 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
2931 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
2932 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
2933 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
2934 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
2937 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
2939 static struct pci_driver qla2xxx_pci_driver = {
2940 .name = QLA2XXX_DRIVER_NAME,
2942 .owner = THIS_MODULE,
2944 .id_table = qla2xxx_pci_tbl,
2945 .probe = qla2x00_probe_one,
2946 .remove = qla2x00_remove_one,
2947 .err_handler = &qla2xxx_err_handler,
2951 * qla2x00_module_init - Module initialization.
2954 qla2x00_module_init(void)
2958 /* Allocate cache for SRBs. */
2959 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
2960 SLAB_HWCACHE_ALIGN, NULL);
2961 if (srb_cachep == NULL) {
2963 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
2967 /* Derive version string. */
2968 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
2969 if (ql2xextended_error_logging)
2970 strcat(qla2x00_version_str, "-debug");
2972 qla2xxx_transport_template =
2973 fc_attach_transport(&qla2xxx_transport_functions);
2974 if (!qla2xxx_transport_template) {
2975 kmem_cache_destroy(srb_cachep);
2978 qla2xxx_transport_vport_template =
2979 fc_attach_transport(&qla2xxx_transport_vport_functions);
2980 if (!qla2xxx_transport_vport_template) {
2981 kmem_cache_destroy(srb_cachep);
2982 fc_release_transport(qla2xxx_transport_template);
2986 printk(KERN_INFO "QLogic Fibre Channel HBA Driver\n");
2987 ret = pci_register_driver(&qla2xxx_pci_driver);
2989 kmem_cache_destroy(srb_cachep);
2990 fc_release_transport(qla2xxx_transport_template);
2991 fc_release_transport(qla2xxx_transport_vport_template);
2997 * qla2x00_module_exit - Module cleanup.
3000 qla2x00_module_exit(void)
3002 pci_unregister_driver(&qla2xxx_pci_driver);
3003 qla2x00_release_firmware();
3004 kmem_cache_destroy(srb_cachep);
3005 fc_release_transport(qla2xxx_transport_template);
3006 fc_release_transport(qla2xxx_transport_vport_template);
3009 module_init(qla2x00_module_init);
3010 module_exit(qla2x00_module_exit);
3012 MODULE_AUTHOR("QLogic Corporation");
3013 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
3014 MODULE_LICENSE("GPL");
3015 MODULE_VERSION(QLA2XXX_VERSION);
3016 MODULE_FIRMWARE(FW_FILE_ISP21XX);
3017 MODULE_FIRMWARE(FW_FILE_ISP22XX);
3018 MODULE_FIRMWARE(FW_FILE_ISP2300);
3019 MODULE_FIRMWARE(FW_FILE_ISP2322);
3020 MODULE_FIRMWARE(FW_FILE_ISP24XX);