2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2008 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>
13 #include <linux/mutex.h>
15 #include <scsi/scsi_tcq.h>
16 #include <scsi/scsicam.h>
17 #include <scsi/scsi_transport.h>
18 #include <scsi/scsi_transport_fc.h>
23 char qla2x00_version_str[40];
26 * SRB allocation cache
28 static struct kmem_cache *srb_cachep;
30 int ql2xlogintimeout = 20;
31 module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR);
32 MODULE_PARM_DESC(ql2xlogintimeout,
33 "Login timeout value in seconds.");
35 int qlport_down_retry;
36 module_param(qlport_down_retry, int, S_IRUGO|S_IRUSR);
37 MODULE_PARM_DESC(qlport_down_retry,
38 "Maximum number of command retries to a port that returns "
39 "a PORT-DOWN status.");
41 int ql2xplogiabsentdevice;
42 module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
43 MODULE_PARM_DESC(ql2xplogiabsentdevice,
44 "Option to enable PLOGI to devices that are not present after "
45 "a Fabric scan. This is needed for several broken switches. "
46 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
48 int ql2xloginretrycount = 0;
49 module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR);
50 MODULE_PARM_DESC(ql2xloginretrycount,
51 "Specify an alternate value for the NVRAM login retry count.");
53 int ql2xallocfwdump = 1;
54 module_param(ql2xallocfwdump, int, S_IRUGO|S_IRUSR);
55 MODULE_PARM_DESC(ql2xallocfwdump,
56 "Option to enable allocation of memory for a firmware dump "
57 "during HBA initialization. Memory allocation requirements "
58 "vary by ISP type. Default is 1 - allocate memory.");
60 int ql2xextended_error_logging;
61 module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
62 MODULE_PARM_DESC(ql2xextended_error_logging,
63 "Option to enable extended error logging, "
64 "Default is 0 - no logging. 1 - log errors.");
66 static void qla2x00_free_device(scsi_qla_host_t *);
68 static void qla2x00_config_dma_addressing(scsi_qla_host_t *ha);
71 module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR);
72 MODULE_PARM_DESC(ql2xfdmienable,
73 "Enables FDMI registratons "
74 "Default is 0 - no FDMI. 1 - perfom FDMI.");
76 #define MAX_Q_DEPTH 32
77 static int ql2xmaxqdepth = MAX_Q_DEPTH;
78 module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
79 MODULE_PARM_DESC(ql2xmaxqdepth,
80 "Maximum queue depth to report for target devices.");
82 int ql2xqfullrampup = 120;
83 module_param(ql2xqfullrampup, int, S_IRUGO|S_IWUSR);
84 MODULE_PARM_DESC(ql2xqfullrampup,
85 "Number of seconds to wait to begin to ramp-up the queue "
86 "depth for a device after a queue-full condition has been "
87 "detected. Default is 120 seconds.");
89 int ql2xiidmaenable=1;
90 module_param(ql2xiidmaenable, int, S_IRUGO|S_IRUSR);
91 MODULE_PARM_DESC(ql2xiidmaenable,
92 "Enables iIDMA settings "
93 "Default is 1 - perform iIDMA. 0 - no iIDMA.");
97 * SCSI host template entry points
99 static int qla2xxx_slave_configure(struct scsi_device * device);
100 static int qla2xxx_slave_alloc(struct scsi_device *);
101 static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
102 static void qla2xxx_scan_start(struct Scsi_Host *);
103 static void qla2xxx_slave_destroy(struct scsi_device *);
104 static int qla2x00_queuecommand(struct scsi_cmnd *cmd,
105 void (*fn)(struct scsi_cmnd *));
106 static int qla24xx_queuecommand(struct scsi_cmnd *cmd,
107 void (*fn)(struct scsi_cmnd *));
108 static int qla2xxx_eh_abort(struct scsi_cmnd *);
109 static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
110 static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
111 static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
112 static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
114 static int qla2x00_change_queue_depth(struct scsi_device *, int);
115 static int qla2x00_change_queue_type(struct scsi_device *, int);
117 static struct scsi_host_template qla2x00_driver_template = {
118 .module = THIS_MODULE,
119 .name = QLA2XXX_DRIVER_NAME,
120 .queuecommand = qla2x00_queuecommand,
122 .eh_abort_handler = qla2xxx_eh_abort,
123 .eh_device_reset_handler = qla2xxx_eh_device_reset,
124 .eh_target_reset_handler = qla2xxx_eh_target_reset,
125 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
126 .eh_host_reset_handler = qla2xxx_eh_host_reset,
128 .slave_configure = qla2xxx_slave_configure,
130 .slave_alloc = qla2xxx_slave_alloc,
131 .slave_destroy = qla2xxx_slave_destroy,
132 .scan_finished = qla2xxx_scan_finished,
133 .scan_start = qla2xxx_scan_start,
134 .change_queue_depth = qla2x00_change_queue_depth,
135 .change_queue_type = qla2x00_change_queue_type,
138 .use_clustering = ENABLE_CLUSTERING,
139 .sg_tablesize = SG_ALL,
142 * The RISC allows for each command to transfer (2^32-1) bytes of data,
143 * which equates to 0x800000 sectors.
145 .max_sectors = 0xFFFF,
146 .shost_attrs = qla2x00_host_attrs,
149 struct scsi_host_template qla24xx_driver_template = {
150 .module = THIS_MODULE,
151 .name = QLA2XXX_DRIVER_NAME,
152 .queuecommand = qla24xx_queuecommand,
154 .eh_abort_handler = qla2xxx_eh_abort,
155 .eh_device_reset_handler = qla2xxx_eh_device_reset,
156 .eh_target_reset_handler = qla2xxx_eh_target_reset,
157 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
158 .eh_host_reset_handler = qla2xxx_eh_host_reset,
160 .slave_configure = qla2xxx_slave_configure,
162 .slave_alloc = qla2xxx_slave_alloc,
163 .slave_destroy = qla2xxx_slave_destroy,
164 .scan_finished = qla2xxx_scan_finished,
165 .scan_start = qla2xxx_scan_start,
166 .change_queue_depth = qla2x00_change_queue_depth,
167 .change_queue_type = qla2x00_change_queue_type,
170 .use_clustering = ENABLE_CLUSTERING,
171 .sg_tablesize = SG_ALL,
173 .max_sectors = 0xFFFF,
174 .shost_attrs = qla2x00_host_attrs,
177 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
178 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
180 /* TODO Convert to inlines
186 qla2x00_start_timer(scsi_qla_host_t *ha, void *func, unsigned long interval)
188 init_timer(&ha->timer);
189 ha->timer.expires = jiffies + interval * HZ;
190 ha->timer.data = (unsigned long)ha;
191 ha->timer.function = (void (*)(unsigned long))func;
192 add_timer(&ha->timer);
193 ha->timer_active = 1;
197 qla2x00_restart_timer(scsi_qla_host_t *ha, unsigned long interval)
199 mod_timer(&ha->timer, jiffies + interval * HZ);
202 static __inline__ void
203 qla2x00_stop_timer(scsi_qla_host_t *ha)
205 del_timer_sync(&ha->timer);
206 ha->timer_active = 0;
209 static int qla2x00_do_dpc(void *data);
211 static void qla2x00_rst_aen(scsi_qla_host_t *);
213 static int qla2x00_mem_alloc(scsi_qla_host_t *);
214 static void qla2x00_mem_free(scsi_qla_host_t *ha);
215 static void qla2x00_sp_free_dma(scsi_qla_host_t *, srb_t *);
217 /* -------------------------------------------------------------------------- */
220 qla2x00_pci_info_str(struct scsi_qla_host *ha, char *str)
222 static char *pci_bus_modes[] = {
223 "33", "66", "100", "133",
228 pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
231 strcat(str, pci_bus_modes[pci_bus]);
233 pci_bus = (ha->pci_attr & BIT_8) >> 8;
235 strcat(str, pci_bus_modes[pci_bus]);
237 strcat(str, " MHz)");
243 qla24xx_pci_info_str(struct scsi_qla_host *ha, char *str)
245 static char *pci_bus_modes[] = { "33", "66", "100", "133", };
249 pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
252 uint16_t pcie_lstat, lspeed, lwidth;
255 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
256 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
257 lwidth = (pcie_lstat &
258 (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
260 strcpy(str, "PCIe (");
262 strcat(str, "2.5GT/s ");
263 else if (lspeed == 2)
264 strcat(str, "5.0GT/s ");
266 strcat(str, "<unknown> ");
267 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
274 pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
275 if (pci_bus == 0 || pci_bus == 8) {
277 strcat(str, pci_bus_modes[pci_bus >> 3]);
281 strcat(str, "Mode 2");
283 strcat(str, "Mode 1");
285 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
287 strcat(str, " MHz)");
293 qla2x00_fw_version_str(struct scsi_qla_host *ha, char *str)
297 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
298 ha->fw_minor_version,
299 ha->fw_subminor_version);
301 if (ha->fw_attributes & BIT_9) {
306 switch (ha->fw_attributes & 0xFF) {
320 sprintf(un_str, "(%x)", ha->fw_attributes);
324 if (ha->fw_attributes & 0x100)
331 qla24xx_fw_version_str(struct scsi_qla_host *ha, char *str)
333 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
334 ha->fw_minor_version,
335 ha->fw_subminor_version);
337 if (ha->fw_attributes & BIT_0)
338 strcat(str, "[Class 2] ");
339 if (ha->fw_attributes & BIT_1)
340 strcat(str, "[IP] ");
341 if (ha->fw_attributes & BIT_2)
342 strcat(str, "[Multi-ID] ");
343 if (ha->fw_attributes & BIT_3)
344 strcat(str, "[SB-2] ");
345 if (ha->fw_attributes & BIT_4)
346 strcat(str, "[T10 CRC] ");
347 if (ha->fw_attributes & BIT_5)
348 strcat(str, "[VI] ");
349 if (ha->fw_attributes & BIT_10)
350 strcat(str, "[84XX] ");
351 if (ha->fw_attributes & BIT_13)
352 strcat(str, "[Experimental]");
356 static inline srb_t *
357 qla2x00_get_new_sp(scsi_qla_host_t *ha, fc_port_t *fcport,
358 struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
362 sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
370 CMD_SP(cmd) = (void *)sp;
371 cmd->scsi_done = done;
377 qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
379 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
380 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
381 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
385 if (unlikely(pci_channel_offline(ha->pdev))) {
386 cmd->result = DID_REQUEUE << 16;
387 goto qc_fail_command;
390 rval = fc_remote_port_chkready(rport);
393 goto qc_fail_command;
396 /* Close window on fcport/rport state-transitioning. */
397 if (fcport->drport) {
398 cmd->result = DID_IMM_RETRY << 16;
399 goto qc_fail_command;
402 if (atomic_read(&fcport->state) != FCS_ONLINE) {
403 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
404 atomic_read(&ha->loop_state) == LOOP_DEAD) {
405 cmd->result = DID_NO_CONNECT << 16;
406 goto qc_fail_command;
411 spin_unlock_irq(ha->host->host_lock);
413 sp = qla2x00_get_new_sp(ha, fcport, cmd, done);
415 goto qc_host_busy_lock;
417 rval = qla2x00_start_scsi(sp);
418 if (rval != QLA_SUCCESS)
419 goto qc_host_busy_free_sp;
421 spin_lock_irq(ha->host->host_lock);
425 qc_host_busy_free_sp:
426 qla2x00_sp_free_dma(ha, sp);
427 mempool_free(sp, ha->srb_mempool);
430 spin_lock_irq(ha->host->host_lock);
433 return SCSI_MLQUEUE_HOST_BUSY;
443 qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
445 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
446 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
447 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
450 scsi_qla_host_t *pha = to_qla_parent(ha);
452 if (unlikely(pci_channel_offline(pha->pdev))) {
453 cmd->result = DID_REQUEUE << 16;
454 goto qc24_fail_command;
457 rval = fc_remote_port_chkready(rport);
460 goto qc24_fail_command;
463 /* Close window on fcport/rport state-transitioning. */
464 if (fcport->drport) {
465 cmd->result = DID_IMM_RETRY << 16;
466 goto qc24_fail_command;
469 if (atomic_read(&fcport->state) != FCS_ONLINE) {
470 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
471 atomic_read(&pha->loop_state) == LOOP_DEAD) {
472 cmd->result = DID_NO_CONNECT << 16;
473 goto qc24_fail_command;
478 spin_unlock_irq(ha->host->host_lock);
480 sp = qla2x00_get_new_sp(pha, fcport, cmd, done);
482 goto qc24_host_busy_lock;
484 rval = qla24xx_start_scsi(sp);
485 if (rval != QLA_SUCCESS)
486 goto qc24_host_busy_free_sp;
488 spin_lock_irq(ha->host->host_lock);
492 qc24_host_busy_free_sp:
493 qla2x00_sp_free_dma(pha, sp);
494 mempool_free(sp, pha->srb_mempool);
497 spin_lock_irq(ha->host->host_lock);
500 return SCSI_MLQUEUE_HOST_BUSY;
510 * qla2x00_eh_wait_on_command
511 * Waits for the command to be returned by the Firmware for some
515 * ha = actual ha whose done queue will contain the command
516 * returned by firmware.
517 * cmd = Scsi Command to wait on.
518 * flag = Abort/Reset(Bus or Device Reset)
525 qla2x00_eh_wait_on_command(scsi_qla_host_t *ha, struct scsi_cmnd *cmd)
527 #define ABORT_POLLING_PERIOD 1000
528 #define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
529 unsigned long wait_iter = ABORT_WAIT_ITER;
530 int ret = QLA_SUCCESS;
532 while (CMD_SP(cmd)) {
533 msleep(ABORT_POLLING_PERIOD);
539 ret = QLA_FUNCTION_FAILED;
545 * qla2x00_wait_for_hba_online
546 * Wait till the HBA is online after going through
547 * <= MAX_RETRIES_OF_ISP_ABORT or
548 * finally HBA is disabled ie marked offline
551 * ha - pointer to host adapter structure
554 * Does context switching-Release SPIN_LOCK
555 * (if any) before calling this routine.
558 * Success (Adapter is online) : 0
559 * Failed (Adapter is offline/disabled) : 1
562 qla2x00_wait_for_hba_online(scsi_qla_host_t *ha)
565 unsigned long wait_online;
566 scsi_qla_host_t *pha = to_qla_parent(ha);
568 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
569 while (((test_bit(ISP_ABORT_NEEDED, &pha->dpc_flags)) ||
570 test_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags) ||
571 test_bit(ISP_ABORT_RETRY, &pha->dpc_flags) ||
572 pha->dpc_active) && time_before(jiffies, wait_online)) {
576 if (pha->flags.online)
577 return_status = QLA_SUCCESS;
579 return_status = QLA_FUNCTION_FAILED;
581 return (return_status);
585 * qla2x00_wait_for_loop_ready
586 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
587 * to be in LOOP_READY state.
589 * ha - pointer to host adapter structure
592 * Does context switching-Release SPIN_LOCK
593 * (if any) before calling this routine.
597 * Success (LOOP_READY) : 0
598 * Failed (LOOP_NOT_READY) : 1
601 qla2x00_wait_for_loop_ready(scsi_qla_host_t *ha)
603 int return_status = QLA_SUCCESS;
604 unsigned long loop_timeout ;
605 scsi_qla_host_t *pha = to_qla_parent(ha);
607 /* wait for 5 min at the max for loop to be ready */
608 loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
610 while ((!atomic_read(&pha->loop_down_timer) &&
611 atomic_read(&pha->loop_state) == LOOP_DOWN) ||
612 atomic_read(&pha->loop_state) != LOOP_READY) {
613 if (atomic_read(&pha->loop_state) == LOOP_DEAD) {
614 return_status = QLA_FUNCTION_FAILED;
618 if (time_after_eq(jiffies, loop_timeout)) {
619 return_status = QLA_FUNCTION_FAILED;
623 return (return_status);
627 qla2x00_abort_fcport_cmds(fc_port_t *fcport)
632 scsi_qla_host_t *ha = fcport->ha;
633 scsi_qla_host_t *pha = to_qla_parent(ha);
635 spin_lock_irqsave(&pha->hardware_lock, flags);
636 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
637 sp = pha->outstanding_cmds[cnt];
640 if (sp->fcport != fcport)
643 spin_unlock_irqrestore(&pha->hardware_lock, flags);
644 if (ha->isp_ops->abort_command(ha, sp)) {
645 DEBUG2(qla_printk(KERN_WARNING, ha,
646 "Abort failed -- %lx\n", sp->cmd->serial_number));
648 if (qla2x00_eh_wait_on_command(ha, sp->cmd) !=
650 DEBUG2(qla_printk(KERN_WARNING, ha,
651 "Abort failed while waiting -- %lx\n",
652 sp->cmd->serial_number));
655 spin_lock_irqsave(&pha->hardware_lock, flags);
657 spin_unlock_irqrestore(&pha->hardware_lock, flags);
661 qla2x00_block_error_handler(struct scsi_cmnd *cmnd)
663 struct Scsi_Host *shost = cmnd->device->host;
664 struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device));
667 spin_lock_irqsave(shost->host_lock, flags);
668 while (rport->port_state == FC_PORTSTATE_BLOCKED) {
669 spin_unlock_irqrestore(shost->host_lock, flags);
671 spin_lock_irqsave(shost->host_lock, flags);
673 spin_unlock_irqrestore(shost->host_lock, flags);
677 /**************************************************************************
681 * The abort function will abort the specified command.
684 * cmd = Linux SCSI command packet to be aborted.
687 * Either SUCCESS or FAILED.
690 * Only return FAILED if command not returned by firmware.
691 **************************************************************************/
693 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
695 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
698 unsigned int id, lun;
699 unsigned long serial;
702 scsi_qla_host_t *pha = to_qla_parent(ha);
704 qla2x00_block_error_handler(cmd);
711 id = cmd->device->id;
712 lun = cmd->device->lun;
713 serial = cmd->serial_number;
715 /* Check active list for command command. */
716 spin_lock_irqsave(&pha->hardware_lock, flags);
717 for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
718 sp = pha->outstanding_cmds[i];
726 DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld.\n",
727 __func__, ha->host_no, sp, serial));
729 spin_unlock_irqrestore(&pha->hardware_lock, flags);
730 if (ha->isp_ops->abort_command(ha, sp)) {
731 DEBUG2(printk("%s(%ld): abort_command "
732 "mbx failed.\n", __func__, ha->host_no));
734 DEBUG3(printk("%s(%ld): abort_command "
735 "mbx success.\n", __func__, ha->host_no));
738 spin_lock_irqsave(&pha->hardware_lock, flags);
742 spin_unlock_irqrestore(&pha->hardware_lock, flags);
744 /* Wait for the command to be returned. */
746 if (qla2x00_eh_wait_on_command(ha, cmd) != QLA_SUCCESS) {
747 qla_printk(KERN_ERR, ha,
748 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
749 "%x.\n", ha->host_no, id, lun, serial, ret);
754 qla_printk(KERN_INFO, ha,
755 "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
756 ha->host_no, id, lun, wait, serial, ret);
761 enum nexus_wait_type {
768 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha, unsigned int t,
769 unsigned int l, enum nexus_wait_type type)
771 int cnt, match, status;
774 scsi_qla_host_t *pha = to_qla_parent(ha);
776 status = QLA_SUCCESS;
777 spin_lock_irqsave(&pha->hardware_lock, flags);
778 for (cnt = 1; status == QLA_SUCCESS && cnt < MAX_OUTSTANDING_COMMANDS;
780 sp = pha->outstanding_cmds[cnt];
784 if (ha->vp_idx != sp->fcport->ha->vp_idx)
792 match = sp->cmd->device->id == t;
795 match = (sp->cmd->device->id == t &&
796 sp->cmd->device->lun == l);
802 spin_unlock_irqrestore(&pha->hardware_lock, flags);
803 status = qla2x00_eh_wait_on_command(ha, sp->cmd);
804 spin_lock_irqsave(&pha->hardware_lock, flags);
806 spin_unlock_irqrestore(&pha->hardware_lock, flags);
811 static char *reset_errors[] = {
814 "Task management failed",
815 "Waiting for command completions",
819 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
820 struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int))
822 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
823 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
826 qla2x00_block_error_handler(cmd);
831 qla_printk(KERN_INFO, ha, "scsi(%ld:%d:%d): %s RESET ISSUED.\n",
832 ha->host_no, cmd->device->id, cmd->device->lun, name);
835 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
836 goto eh_reset_failed;
838 if (qla2x00_wait_for_loop_ready(ha) != QLA_SUCCESS)
839 goto eh_reset_failed;
841 if (do_reset(fcport, cmd->device->lun) != QLA_SUCCESS)
842 goto eh_reset_failed;
844 if (qla2x00_eh_wait_for_pending_commands(ha, cmd->device->id,
845 cmd->device->lun, type) != QLA_SUCCESS)
846 goto eh_reset_failed;
848 qla_printk(KERN_INFO, ha, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n",
849 ha->host_no, cmd->device->id, cmd->device->lun, name);
854 qla_printk(KERN_INFO, ha, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n",
855 ha->host_no, cmd->device->id, cmd->device->lun, name,
861 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
863 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
865 return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
866 ha->isp_ops->lun_reset);
870 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
872 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
874 return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
875 ha->isp_ops->target_reset);
878 /**************************************************************************
879 * qla2xxx_eh_bus_reset
882 * The bus reset function will reset the bus and abort any executing
886 * cmd = Linux SCSI command packet of the command that cause the
890 * SUCCESS/FAILURE (defined as macro in scsi.h).
892 **************************************************************************/
894 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
896 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
897 scsi_qla_host_t *pha = to_qla_parent(ha);
898 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
900 unsigned int id, lun;
901 unsigned long serial;
903 qla2x00_block_error_handler(cmd);
905 id = cmd->device->id;
906 lun = cmd->device->lun;
907 serial = cmd->serial_number;
912 qla_printk(KERN_INFO, ha,
913 "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha->host_no, id, lun);
915 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) {
916 DEBUG2(printk("%s failed:board disabled\n",__func__));
917 goto eh_bus_reset_done;
920 if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
921 if (qla2x00_loop_reset(ha) == QLA_SUCCESS)
925 goto eh_bus_reset_done;
927 /* Flush outstanding commands. */
928 if (qla2x00_eh_wait_for_pending_commands(pha, 0, 0, WAIT_HOST) !=
933 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
934 (ret == FAILED) ? "failed" : "succeded");
939 /**************************************************************************
940 * qla2xxx_eh_host_reset
943 * The reset function will reset the Adapter.
946 * cmd = Linux SCSI command packet of the command that cause the
950 * Either SUCCESS or FAILED.
953 **************************************************************************/
955 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
957 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
958 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
960 unsigned int id, lun;
961 unsigned long serial;
962 scsi_qla_host_t *pha = to_qla_parent(ha);
964 qla2x00_block_error_handler(cmd);
966 id = cmd->device->id;
967 lun = cmd->device->lun;
968 serial = cmd->serial_number;
973 qla_printk(KERN_INFO, ha,
974 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha->host_no, id, lun);
976 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
977 goto eh_host_reset_lock;
980 * Fixme-may be dpc thread is active and processing
981 * loop_resync,so wait a while for it to
982 * be completed and then issue big hammer.Otherwise
983 * it may cause I/O failure as big hammer marks the
984 * devices as lost kicking of the port_down_timer
985 * while dpc is stuck for the mailbox to complete.
987 qla2x00_wait_for_loop_ready(ha);
988 set_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
989 if (qla2x00_abort_isp(pha)) {
990 clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
991 /* failed. schedule dpc to try */
992 set_bit(ISP_ABORT_NEEDED, &pha->dpc_flags);
994 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
995 goto eh_host_reset_lock;
997 clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
999 /* Waiting for our command in done_queue to be returned to OS.*/
1000 if (qla2x00_eh_wait_for_pending_commands(pha, 0, 0, WAIT_HOST) ==
1005 qla2x00_vp_abort_isp(ha);
1008 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1009 (ret == FAILED) ? "failed" : "succeded");
1015 * qla2x00_loop_reset
1019 * ha = adapter block pointer.
1025 qla2x00_loop_reset(scsi_qla_host_t *ha)
1028 struct fc_port *fcport;
1030 if (ha->flags.enable_lip_full_login) {
1031 ret = qla2x00_full_login_lip(ha);
1032 if (ret != QLA_SUCCESS) {
1033 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1034 "full_login_lip=%d.\n", __func__, ha->host_no,
1037 atomic_set(&ha->loop_state, LOOP_DOWN);
1038 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
1039 qla2x00_mark_all_devices_lost(ha, 0);
1040 qla2x00_wait_for_loop_ready(ha);
1043 if (ha->flags.enable_lip_reset) {
1044 ret = qla2x00_lip_reset(ha);
1045 if (ret != QLA_SUCCESS) {
1046 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1047 "lip_reset=%d.\n", __func__, ha->host_no, ret));
1049 qla2x00_wait_for_loop_ready(ha);
1052 if (ha->flags.enable_target_reset) {
1053 list_for_each_entry(fcport, &ha->fcports, list) {
1054 if (fcport->port_type != FCT_TARGET)
1057 ret = ha->isp_ops->target_reset(fcport, 0);
1058 if (ret != QLA_SUCCESS) {
1059 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1060 "target_reset=%d d_id=%x.\n", __func__,
1061 ha->host_no, ret, fcport->d_id.b24));
1066 /* Issue marker command only when we are going to start the I/O */
1067 ha->marker_needed = 1;
1073 qla2x00_abort_all_cmds(scsi_qla_host_t *ha, int res)
1076 unsigned long flags;
1079 spin_lock_irqsave(&ha->hardware_lock, flags);
1080 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1081 sp = ha->outstanding_cmds[cnt];
1083 ha->outstanding_cmds[cnt] = NULL;
1084 sp->cmd->result = res;
1085 qla2x00_sp_compl(ha, sp);
1088 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1092 qla2xxx_slave_alloc(struct scsi_device *sdev)
1094 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1096 if (!rport || fc_remote_port_chkready(rport))
1099 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1105 qla2xxx_slave_configure(struct scsi_device *sdev)
1107 scsi_qla_host_t *ha = shost_priv(sdev->host);
1108 struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1110 if (sdev->tagged_supported)
1111 scsi_activate_tcq(sdev, ha->max_q_depth);
1113 scsi_deactivate_tcq(sdev, ha->max_q_depth);
1115 rport->dev_loss_tmo = ha->port_down_retry_count;
1121 qla2xxx_slave_destroy(struct scsi_device *sdev)
1123 sdev->hostdata = NULL;
1127 qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
1129 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1130 return sdev->queue_depth;
1134 qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1136 if (sdev->tagged_supported) {
1137 scsi_set_tag_type(sdev, tag_type);
1139 scsi_activate_tcq(sdev, sdev->queue_depth);
1141 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1149 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1152 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1153 * supported addressing method.
1156 qla2x00_config_dma_addressing(scsi_qla_host_t *ha)
1158 /* Assume a 32bit DMA mask. */
1159 ha->flags.enable_64bit_addressing = 0;
1161 if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) {
1162 /* Any upper-dword bits set? */
1163 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1164 !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) {
1165 /* Ok, a 64bit DMA mask is applicable. */
1166 ha->flags.enable_64bit_addressing = 1;
1167 ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1168 ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1173 dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK);
1174 pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK);
1178 qla2x00_enable_intrs(scsi_qla_host_t *ha)
1180 unsigned long flags = 0;
1181 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1183 spin_lock_irqsave(&ha->hardware_lock, flags);
1184 ha->interrupts_on = 1;
1185 /* enable risc and host interrupts */
1186 WRT_REG_WORD(®->ictrl, ICR_EN_INT | ICR_EN_RISC);
1187 RD_REG_WORD(®->ictrl);
1188 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1193 qla2x00_disable_intrs(scsi_qla_host_t *ha)
1195 unsigned long flags = 0;
1196 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1198 spin_lock_irqsave(&ha->hardware_lock, flags);
1199 ha->interrupts_on = 0;
1200 /* disable risc and host interrupts */
1201 WRT_REG_WORD(®->ictrl, 0);
1202 RD_REG_WORD(®->ictrl);
1203 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1207 qla24xx_enable_intrs(scsi_qla_host_t *ha)
1209 unsigned long flags = 0;
1210 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1212 spin_lock_irqsave(&ha->hardware_lock, flags);
1213 ha->interrupts_on = 1;
1214 WRT_REG_DWORD(®->ictrl, ICRX_EN_RISC_INT);
1215 RD_REG_DWORD(®->ictrl);
1216 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1220 qla24xx_disable_intrs(scsi_qla_host_t *ha)
1222 unsigned long flags = 0;
1223 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1225 spin_lock_irqsave(&ha->hardware_lock, flags);
1226 ha->interrupts_on = 0;
1227 WRT_REG_DWORD(®->ictrl, 0);
1228 RD_REG_DWORD(®->ictrl);
1229 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1232 static struct isp_operations qla2100_isp_ops = {
1233 .pci_config = qla2100_pci_config,
1234 .reset_chip = qla2x00_reset_chip,
1235 .chip_diag = qla2x00_chip_diag,
1236 .config_rings = qla2x00_config_rings,
1237 .reset_adapter = qla2x00_reset_adapter,
1238 .nvram_config = qla2x00_nvram_config,
1239 .update_fw_options = qla2x00_update_fw_options,
1240 .load_risc = qla2x00_load_risc,
1241 .pci_info_str = qla2x00_pci_info_str,
1242 .fw_version_str = qla2x00_fw_version_str,
1243 .intr_handler = qla2100_intr_handler,
1244 .enable_intrs = qla2x00_enable_intrs,
1245 .disable_intrs = qla2x00_disable_intrs,
1246 .abort_command = qla2x00_abort_command,
1247 .target_reset = qla2x00_abort_target,
1248 .lun_reset = qla2x00_lun_reset,
1249 .fabric_login = qla2x00_login_fabric,
1250 .fabric_logout = qla2x00_fabric_logout,
1251 .calc_req_entries = qla2x00_calc_iocbs_32,
1252 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1253 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1254 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1255 .read_nvram = qla2x00_read_nvram_data,
1256 .write_nvram = qla2x00_write_nvram_data,
1257 .fw_dump = qla2100_fw_dump,
1260 .beacon_blink = NULL,
1261 .read_optrom = qla2x00_read_optrom_data,
1262 .write_optrom = qla2x00_write_optrom_data,
1263 .get_flash_version = qla2x00_get_flash_version,
1266 static struct isp_operations qla2300_isp_ops = {
1267 .pci_config = qla2300_pci_config,
1268 .reset_chip = qla2x00_reset_chip,
1269 .chip_diag = qla2x00_chip_diag,
1270 .config_rings = qla2x00_config_rings,
1271 .reset_adapter = qla2x00_reset_adapter,
1272 .nvram_config = qla2x00_nvram_config,
1273 .update_fw_options = qla2x00_update_fw_options,
1274 .load_risc = qla2x00_load_risc,
1275 .pci_info_str = qla2x00_pci_info_str,
1276 .fw_version_str = qla2x00_fw_version_str,
1277 .intr_handler = qla2300_intr_handler,
1278 .enable_intrs = qla2x00_enable_intrs,
1279 .disable_intrs = qla2x00_disable_intrs,
1280 .abort_command = qla2x00_abort_command,
1281 .target_reset = qla2x00_abort_target,
1282 .lun_reset = qla2x00_lun_reset,
1283 .fabric_login = qla2x00_login_fabric,
1284 .fabric_logout = qla2x00_fabric_logout,
1285 .calc_req_entries = qla2x00_calc_iocbs_32,
1286 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1287 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1288 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1289 .read_nvram = qla2x00_read_nvram_data,
1290 .write_nvram = qla2x00_write_nvram_data,
1291 .fw_dump = qla2300_fw_dump,
1292 .beacon_on = qla2x00_beacon_on,
1293 .beacon_off = qla2x00_beacon_off,
1294 .beacon_blink = qla2x00_beacon_blink,
1295 .read_optrom = qla2x00_read_optrom_data,
1296 .write_optrom = qla2x00_write_optrom_data,
1297 .get_flash_version = qla2x00_get_flash_version,
1300 static struct isp_operations qla24xx_isp_ops = {
1301 .pci_config = qla24xx_pci_config,
1302 .reset_chip = qla24xx_reset_chip,
1303 .chip_diag = qla24xx_chip_diag,
1304 .config_rings = qla24xx_config_rings,
1305 .reset_adapter = qla24xx_reset_adapter,
1306 .nvram_config = qla24xx_nvram_config,
1307 .update_fw_options = qla24xx_update_fw_options,
1308 .load_risc = qla24xx_load_risc,
1309 .pci_info_str = qla24xx_pci_info_str,
1310 .fw_version_str = qla24xx_fw_version_str,
1311 .intr_handler = qla24xx_intr_handler,
1312 .enable_intrs = qla24xx_enable_intrs,
1313 .disable_intrs = qla24xx_disable_intrs,
1314 .abort_command = qla24xx_abort_command,
1315 .target_reset = qla24xx_abort_target,
1316 .lun_reset = qla24xx_lun_reset,
1317 .fabric_login = qla24xx_login_fabric,
1318 .fabric_logout = qla24xx_fabric_logout,
1319 .calc_req_entries = NULL,
1320 .build_iocbs = NULL,
1321 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1322 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1323 .read_nvram = qla24xx_read_nvram_data,
1324 .write_nvram = qla24xx_write_nvram_data,
1325 .fw_dump = qla24xx_fw_dump,
1326 .beacon_on = qla24xx_beacon_on,
1327 .beacon_off = qla24xx_beacon_off,
1328 .beacon_blink = qla24xx_beacon_blink,
1329 .read_optrom = qla24xx_read_optrom_data,
1330 .write_optrom = qla24xx_write_optrom_data,
1331 .get_flash_version = qla24xx_get_flash_version,
1334 static struct isp_operations qla25xx_isp_ops = {
1335 .pci_config = qla25xx_pci_config,
1336 .reset_chip = qla24xx_reset_chip,
1337 .chip_diag = qla24xx_chip_diag,
1338 .config_rings = qla24xx_config_rings,
1339 .reset_adapter = qla24xx_reset_adapter,
1340 .nvram_config = qla24xx_nvram_config,
1341 .update_fw_options = qla24xx_update_fw_options,
1342 .load_risc = qla24xx_load_risc,
1343 .pci_info_str = qla24xx_pci_info_str,
1344 .fw_version_str = qla24xx_fw_version_str,
1345 .intr_handler = qla24xx_intr_handler,
1346 .enable_intrs = qla24xx_enable_intrs,
1347 .disable_intrs = qla24xx_disable_intrs,
1348 .abort_command = qla24xx_abort_command,
1349 .target_reset = qla24xx_abort_target,
1350 .lun_reset = qla24xx_lun_reset,
1351 .fabric_login = qla24xx_login_fabric,
1352 .fabric_logout = qla24xx_fabric_logout,
1353 .calc_req_entries = NULL,
1354 .build_iocbs = NULL,
1355 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1356 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1357 .read_nvram = qla25xx_read_nvram_data,
1358 .write_nvram = qla25xx_write_nvram_data,
1359 .fw_dump = qla25xx_fw_dump,
1360 .beacon_on = qla24xx_beacon_on,
1361 .beacon_off = qla24xx_beacon_off,
1362 .beacon_blink = qla24xx_beacon_blink,
1363 .read_optrom = qla25xx_read_optrom_data,
1364 .write_optrom = qla24xx_write_optrom_data,
1365 .get_flash_version = qla24xx_get_flash_version,
1369 qla2x00_set_isp_flags(scsi_qla_host_t *ha)
1371 ha->device_type = DT_EXTENDED_IDS;
1372 switch (ha->pdev->device) {
1373 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1374 ha->device_type |= DT_ISP2100;
1375 ha->device_type &= ~DT_EXTENDED_IDS;
1376 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1378 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1379 ha->device_type |= DT_ISP2200;
1380 ha->device_type &= ~DT_EXTENDED_IDS;
1381 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1383 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1384 ha->device_type |= DT_ISP2300;
1385 ha->device_type |= DT_ZIO_SUPPORTED;
1386 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1388 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1389 ha->device_type |= DT_ISP2312;
1390 ha->device_type |= DT_ZIO_SUPPORTED;
1391 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1393 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1394 ha->device_type |= DT_ISP2322;
1395 ha->device_type |= DT_ZIO_SUPPORTED;
1396 if (ha->pdev->subsystem_vendor == 0x1028 &&
1397 ha->pdev->subsystem_device == 0x0170)
1398 ha->device_type |= DT_OEM_001;
1399 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1401 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1402 ha->device_type |= DT_ISP6312;
1403 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1405 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1406 ha->device_type |= DT_ISP6322;
1407 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1409 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1410 ha->device_type |= DT_ISP2422;
1411 ha->device_type |= DT_ZIO_SUPPORTED;
1412 ha->device_type |= DT_FWI2;
1413 ha->device_type |= DT_IIDMA;
1414 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1416 case PCI_DEVICE_ID_QLOGIC_ISP2432:
1417 ha->device_type |= DT_ISP2432;
1418 ha->device_type |= DT_ZIO_SUPPORTED;
1419 ha->device_type |= DT_FWI2;
1420 ha->device_type |= DT_IIDMA;
1421 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1423 case PCI_DEVICE_ID_QLOGIC_ISP8432:
1424 ha->device_type |= DT_ISP8432;
1425 ha->device_type |= DT_ZIO_SUPPORTED;
1426 ha->device_type |= DT_FWI2;
1427 ha->device_type |= DT_IIDMA;
1428 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1430 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1431 ha->device_type |= DT_ISP5422;
1432 ha->device_type |= DT_FWI2;
1433 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1435 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1436 ha->device_type |= DT_ISP5432;
1437 ha->device_type |= DT_FWI2;
1438 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1440 case PCI_DEVICE_ID_QLOGIC_ISP2532:
1441 ha->device_type |= DT_ISP2532;
1442 ha->device_type |= DT_ZIO_SUPPORTED;
1443 ha->device_type |= DT_FWI2;
1444 ha->device_type |= DT_IIDMA;
1445 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1451 qla2x00_iospace_config(scsi_qla_host_t *ha)
1453 resource_size_t pio;
1455 if (pci_request_selected_regions(ha->pdev, ha->bars,
1456 QLA2XXX_DRIVER_NAME)) {
1457 qla_printk(KERN_WARNING, ha,
1458 "Failed to reserve PIO/MMIO regions (%s)\n",
1459 pci_name(ha->pdev));
1461 goto iospace_error_exit;
1463 if (!(ha->bars & 1))
1466 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1467 pio = pci_resource_start(ha->pdev, 0);
1468 if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1469 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1470 qla_printk(KERN_WARNING, ha,
1471 "Invalid PCI I/O region size (%s)...\n",
1472 pci_name(ha->pdev));
1476 qla_printk(KERN_WARNING, ha,
1477 "region #0 not a PIO resource (%s)...\n",
1478 pci_name(ha->pdev));
1481 ha->pio_address = pio;
1484 /* Use MMIO operations for all accesses. */
1485 if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1486 qla_printk(KERN_ERR, ha,
1487 "region #1 not an MMIO resource (%s), aborting\n",
1488 pci_name(ha->pdev));
1489 goto iospace_error_exit;
1491 if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1492 qla_printk(KERN_ERR, ha,
1493 "Invalid PCI mem region size (%s), aborting\n",
1494 pci_name(ha->pdev));
1495 goto iospace_error_exit;
1498 ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1500 qla_printk(KERN_ERR, ha,
1501 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1503 goto iospace_error_exit;
1513 qla2xxx_scan_start(struct Scsi_Host *shost)
1515 scsi_qla_host_t *ha = shost_priv(shost);
1517 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
1518 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1519 set_bit(RSCN_UPDATE, &ha->dpc_flags);
1523 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1525 scsi_qla_host_t *ha = shost_priv(shost);
1529 if (time > ha->loop_reset_delay * HZ)
1532 return atomic_read(&ha->loop_state) == LOOP_READY;
1536 * PCI driver interface
1538 static int __devinit
1539 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1542 struct Scsi_Host *host;
1543 scsi_qla_host_t *ha;
1546 struct scsi_host_template *sht;
1547 int bars, mem_only = 0;
1549 bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
1550 sht = &qla2x00_driver_template;
1551 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
1552 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
1553 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
1554 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
1555 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
1556 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532) {
1557 bars = pci_select_bars(pdev, IORESOURCE_MEM);
1558 sht = &qla24xx_driver_template;
1563 if (pci_enable_device_mem(pdev))
1566 if (pci_enable_device(pdev))
1570 if (pci_find_aer_capability(pdev))
1571 if (pci_enable_pcie_error_reporting(pdev))
1574 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
1577 "qla2xxx: Couldn't allocate host from scsi layer!\n");
1578 goto probe_disable_device;
1581 /* Clear our data area */
1582 ha = shost_priv(host);
1583 memset(ha, 0, sizeof(scsi_qla_host_t));
1587 ha->host_no = host->host_no;
1588 sprintf(ha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, ha->host_no);
1591 ha->mem_only = mem_only;
1592 spin_lock_init(&ha->hardware_lock);
1594 /* Set ISP-type information. */
1595 qla2x00_set_isp_flags(ha);
1597 /* Configure PCI I/O space */
1598 ret = qla2x00_iospace_config(ha);
1602 qla_printk(KERN_INFO, ha,
1603 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1606 ha->prev_topology = 0;
1607 ha->init_cb_size = sizeof(init_cb_t);
1608 ha->mgmt_svr_loop_id = MANAGEMENT_SERVER + ha->vp_idx;
1609 ha->link_data_rate = PORT_SPEED_UNKNOWN;
1610 ha->optrom_size = OPTROM_SIZE_2300;
1612 ha->max_q_depth = MAX_Q_DEPTH;
1613 if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
1614 ha->max_q_depth = ql2xmaxqdepth;
1616 /* Assign ISP specific operations. */
1617 if (IS_QLA2100(ha)) {
1618 host->max_id = MAX_TARGETS_2100;
1619 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
1620 ha->request_q_length = REQUEST_ENTRY_CNT_2100;
1621 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1622 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
1623 host->sg_tablesize = 32;
1624 ha->gid_list_info_size = 4;
1625 ha->isp_ops = &qla2100_isp_ops;
1626 } else if (IS_QLA2200(ha)) {
1627 host->max_id = MAX_TARGETS_2200;
1628 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1629 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1630 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1631 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
1632 ha->gid_list_info_size = 4;
1633 ha->isp_ops = &qla2100_isp_ops;
1634 } else if (IS_QLA23XX(ha)) {
1635 host->max_id = MAX_TARGETS_2200;
1636 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1637 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1638 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1639 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1640 ha->gid_list_info_size = 6;
1641 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1642 ha->optrom_size = OPTROM_SIZE_2322;
1643 ha->isp_ops = &qla2300_isp_ops;
1644 } else if (IS_QLA24XX_TYPE(ha)) {
1645 host->max_id = MAX_TARGETS_2200;
1646 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1647 ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
1648 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1649 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1650 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1651 ha->mgmt_svr_loop_id = 10 + ha->vp_idx;
1652 ha->gid_list_info_size = 8;
1653 ha->optrom_size = OPTROM_SIZE_24XX;
1654 ha->isp_ops = &qla24xx_isp_ops;
1655 } else if (IS_QLA25XX(ha)) {
1656 host->max_id = MAX_TARGETS_2200;
1657 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1658 ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
1659 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1660 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1661 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1662 ha->mgmt_svr_loop_id = 10 + ha->vp_idx;
1663 ha->gid_list_info_size = 8;
1664 ha->optrom_size = OPTROM_SIZE_25XX;
1665 ha->isp_ops = &qla25xx_isp_ops;
1666 ha->hw_event_start = PCI_FUNC(pdev->devfn) ?
1667 FA_HW_EVENT1_ADDR: FA_HW_EVENT0_ADDR;
1669 host->can_queue = ha->request_q_length + 128;
1671 mutex_init(&ha->vport_lock);
1672 init_completion(&ha->mbx_cmd_comp);
1673 complete(&ha->mbx_cmd_comp);
1674 init_completion(&ha->mbx_intr_comp);
1676 INIT_LIST_HEAD(&ha->list);
1677 INIT_LIST_HEAD(&ha->fcports);
1678 INIT_LIST_HEAD(&ha->vp_list);
1679 INIT_LIST_HEAD(&ha->work_list);
1681 set_bit(0, (unsigned long *) ha->vp_idx_map);
1683 qla2x00_config_dma_addressing(ha);
1684 if (qla2x00_mem_alloc(ha)) {
1685 qla_printk(KERN_WARNING, ha,
1686 "[ERROR] Failed to allocate memory for adapter\n");
1692 if (qla2x00_initialize_adapter(ha)) {
1693 qla_printk(KERN_WARNING, ha,
1694 "Failed to initialize adapter\n");
1696 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1697 "Adapter flags %x.\n",
1698 ha->host_no, ha->device_flags));
1705 * Startup the kernel thread for this host adapter
1707 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
1708 "%s_dpc", ha->host_str);
1709 if (IS_ERR(ha->dpc_thread)) {
1710 qla_printk(KERN_WARNING, ha,
1711 "Unable to start DPC thread!\n");
1712 ret = PTR_ERR(ha->dpc_thread);
1716 host->this_id = 255;
1717 host->cmd_per_lun = 3;
1718 host->unique_id = host->host_no;
1719 host->max_cmd_len = MAX_CMDSZ;
1720 host->max_channel = MAX_BUSES - 1;
1721 host->max_lun = MAX_LUNS;
1722 host->transportt = qla2xxx_transport_template;
1724 ret = qla2x00_request_irqs(ha);
1728 /* Initialized the timer */
1729 qla2x00_start_timer(ha, qla2x00_timer, WATCH_INTERVAL);
1731 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
1734 pci_set_drvdata(pdev, ha);
1736 ha->flags.init_done = 1;
1737 ha->flags.online = 1;
1739 ret = scsi_add_host(host, &pdev->dev);
1743 scsi_scan_host(host);
1745 qla2x00_alloc_sysfs_attr(ha);
1747 qla2x00_init_host_attr(ha);
1749 qla2x00_dfs_setup(ha);
1751 qla_printk(KERN_INFO, ha, "\n"
1752 " QLogic Fibre Channel HBA Driver: %s\n"
1754 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
1755 qla2x00_version_str, ha->model_number,
1756 ha->model_desc ? ha->model_desc: "", pdev->device,
1757 ha->isp_ops->pci_info_str(ha, pci_info), pci_name(pdev),
1758 ha->flags.enable_64bit_addressing ? '+': '-', ha->host_no,
1759 ha->isp_ops->fw_version_str(ha, fw_str));
1764 qla2x00_free_device(ha);
1766 scsi_host_put(host);
1768 probe_disable_device:
1769 pci_disable_device(pdev);
1776 qla2x00_remove_one(struct pci_dev *pdev)
1778 scsi_qla_host_t *ha, *vha, *temp;
1780 ha = pci_get_drvdata(pdev);
1782 list_for_each_entry_safe(vha, temp, &ha->vp_list, vp_list)
1783 fc_vport_terminate(vha->fc_vport);
1785 set_bit(UNLOADING, &ha->dpc_flags);
1787 qla2x00_dfs_remove(ha);
1789 qla84xx_put_chip(ha);
1791 qla2x00_free_sysfs_attr(ha);
1793 fc_remove_host(ha->host);
1795 scsi_remove_host(ha->host);
1797 qla2x00_free_device(ha);
1799 scsi_host_put(ha->host);
1801 pci_disable_device(pdev);
1802 pci_set_drvdata(pdev, NULL);
1806 qla2x00_free_device(scsi_qla_host_t *ha)
1808 qla2x00_abort_all_cmds(ha, DID_NO_CONNECT << 16);
1811 if (ha->timer_active)
1812 qla2x00_stop_timer(ha);
1814 ha->flags.online = 0;
1816 /* Kill the kernel thread for this host */
1817 if (ha->dpc_thread) {
1818 struct task_struct *t = ha->dpc_thread;
1821 * qla2xxx_wake_dpc checks for ->dpc_thread
1822 * so we need to zero it out.
1824 ha->dpc_thread = NULL;
1828 if (ha->flags.fce_enabled)
1829 qla2x00_disable_fce_trace(ha, NULL, NULL);
1832 qla2x00_disable_eft_trace(ha);
1834 /* Stop currently executing firmware. */
1835 qla2x00_try_to_stop_firmware(ha);
1837 /* turn-off interrupts on the card */
1838 if (ha->interrupts_on)
1839 ha->isp_ops->disable_intrs(ha);
1841 qla2x00_mem_free(ha);
1843 qla2x00_free_irqs(ha);
1845 /* release io space registers */
1847 iounmap(ha->iobase);
1848 pci_release_selected_regions(ha->pdev, ha->bars);
1852 qla2x00_schedule_rport_del(struct scsi_qla_host *ha, fc_port_t *fcport,
1855 struct fc_rport *rport;
1856 scsi_qla_host_t *pha = to_qla_parent(ha);
1861 rport = fcport->rport;
1863 spin_lock_irq(ha->host->host_lock);
1864 fcport->drport = rport;
1865 spin_unlock_irq(ha->host->host_lock);
1866 set_bit(FCPORT_UPDATE_NEEDED, &pha->dpc_flags);
1867 qla2xxx_wake_dpc(pha);
1869 fc_remote_port_delete(rport);
1873 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
1875 * Input: ha = adapter block pointer. fcport = port structure pointer.
1881 void qla2x00_mark_device_lost(scsi_qla_host_t *ha, fc_port_t *fcport,
1882 int do_login, int defer)
1884 if (atomic_read(&fcport->state) == FCS_ONLINE &&
1885 ha->vp_idx == fcport->vp_idx)
1886 qla2x00_schedule_rport_del(ha, fcport, defer);
1889 * We may need to retry the login, so don't change the state of the
1890 * port but do the retries.
1892 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
1893 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1898 if (fcport->login_retry == 0) {
1899 fcport->login_retry = ha->login_retry_count;
1900 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
1902 DEBUG(printk("scsi(%ld): Port login retry: "
1903 "%02x%02x%02x%02x%02x%02x%02x%02x, "
1904 "id = 0x%04x retry cnt=%d\n",
1906 fcport->port_name[0],
1907 fcport->port_name[1],
1908 fcport->port_name[2],
1909 fcport->port_name[3],
1910 fcport->port_name[4],
1911 fcport->port_name[5],
1912 fcport->port_name[6],
1913 fcport->port_name[7],
1915 fcport->login_retry));
1920 * qla2x00_mark_all_devices_lost
1921 * Updates fcport state when device goes offline.
1924 * ha = adapter block pointer.
1925 * fcport = port structure pointer.
1933 qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha, int defer)
1936 scsi_qla_host_t *pha = to_qla_parent(ha);
1938 list_for_each_entry(fcport, &pha->fcports, list) {
1939 if (ha->vp_idx != fcport->vp_idx)
1942 * No point in marking the device as lost, if the device is
1945 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
1947 if (atomic_read(&fcport->state) == FCS_ONLINE)
1948 qla2x00_schedule_rport_del(ha, fcport, defer);
1949 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1955 * Allocates adapter memory.
1962 qla2x00_mem_alloc(scsi_qla_host_t *ha)
1966 ha->request_ring = dma_alloc_coherent(&ha->pdev->dev,
1967 (ha->request_q_length + 1) * sizeof(request_t), &ha->request_dma,
1969 if (!ha->request_ring)
1972 ha->response_ring = dma_alloc_coherent(&ha->pdev->dev,
1973 (ha->response_q_length + 1) * sizeof(response_t),
1974 &ha->response_dma, GFP_KERNEL);
1975 if (!ha->response_ring)
1976 goto fail_free_request_ring;
1978 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
1979 &ha->gid_list_dma, GFP_KERNEL);
1981 goto fail_free_response_ring;
1983 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
1984 &ha->init_cb_dma, GFP_KERNEL);
1986 goto fail_free_gid_list;
1988 snprintf(name, sizeof(name), "%s_%ld", QLA2XXX_DRIVER_NAME,
1990 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
1991 DMA_POOL_SIZE, 8, 0);
1992 if (!ha->s_dma_pool)
1993 goto fail_free_init_cb;
1995 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
1996 if (!ha->srb_mempool)
1997 goto fail_free_s_dma_pool;
1999 /* Get memory for cached NVRAM */
2000 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2002 goto fail_free_srb_mempool;
2004 /* Allocate memory for SNS commands */
2005 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2006 /* Get consistent memory allocated for SNS commands */
2007 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
2008 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
2010 goto fail_free_nvram;
2012 /* Get consistent memory allocated for MS IOCB */
2013 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2016 goto fail_free_nvram;
2018 /* Get consistent memory allocated for CT SNS commands */
2019 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
2020 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
2022 goto fail_free_ms_iocb;
2028 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2030 ha->ms_iocb_dma = 0;
2034 fail_free_srb_mempool:
2035 mempool_destroy(ha->srb_mempool);
2036 ha->srb_mempool = NULL;
2037 fail_free_s_dma_pool:
2038 dma_pool_destroy(ha->s_dma_pool);
2039 ha->s_dma_pool = NULL;
2041 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
2044 ha->init_cb_dma = 0;
2046 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2048 ha->gid_list = NULL;
2049 ha->gid_list_dma = 0;
2050 fail_free_response_ring:
2051 dma_free_coherent(&ha->pdev->dev, (ha->response_q_length + 1) *
2052 sizeof(response_t), ha->response_ring, ha->response_dma);
2053 ha->response_ring = NULL;
2054 ha->response_dma = 0;
2055 fail_free_request_ring:
2056 dma_free_coherent(&ha->pdev->dev, (ha->request_q_length + 1) *
2057 sizeof(request_t), ha->request_ring, ha->request_dma);
2058 ha->request_ring = NULL;
2059 ha->request_dma = 0;
2066 * Frees all adapter allocated memory.
2069 * ha = adapter block pointer.
2072 qla2x00_mem_free(scsi_qla_host_t *ha)
2074 struct list_head *fcpl, *fcptemp;
2077 if (ha->srb_mempool)
2078 mempool_destroy(ha->srb_mempool);
2081 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
2086 dma_free_coherent(&ha->pdev->dev,
2087 ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
2092 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2093 ha->sns_cmd, ha->sns_cmd_dma);
2096 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2097 ha->ct_sns, ha->ct_sns_dma);
2100 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2103 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2106 dma_pool_destroy(ha->s_dma_pool);
2109 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2110 ha->init_cb, ha->init_cb_dma);
2113 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2116 if (ha->response_ring)
2117 dma_free_coherent(&ha->pdev->dev,
2118 (ha->response_q_length + 1) * sizeof(response_t),
2119 ha->response_ring, ha->response_dma);
2121 if (ha->request_ring)
2122 dma_free_coherent(&ha->pdev->dev,
2123 (ha->request_q_length + 1) * sizeof(request_t),
2124 ha->request_ring, ha->request_dma);
2126 ha->srb_mempool = NULL;
2130 ha->sns_cmd_dma = 0;
2134 ha->ms_iocb_dma = 0;
2136 ha->init_cb_dma = 0;
2138 ha->s_dma_pool = NULL;
2140 ha->gid_list = NULL;
2141 ha->gid_list_dma = 0;
2143 ha->response_ring = NULL;
2144 ha->response_dma = 0;
2145 ha->request_ring = NULL;
2146 ha->request_dma = 0;
2148 list_for_each_safe(fcpl, fcptemp, &ha->fcports) {
2149 fcport = list_entry(fcpl, fc_port_t, list);
2152 list_del_init(&fcport->list);
2155 INIT_LIST_HEAD(&ha->fcports);
2159 ha->fw_dump_reading = 0;
2161 vfree(ha->optrom_buffer);
2165 static struct qla_work_evt *
2166 qla2x00_alloc_work(struct scsi_qla_host *ha, enum qla_work_type type,
2169 struct qla_work_evt *e;
2171 e = kzalloc(sizeof(struct qla_work_evt), locked ? GFP_ATOMIC:
2176 INIT_LIST_HEAD(&e->list);
2178 e->flags = QLA_EVT_FLAG_FREE;
2183 qla2x00_post_work(struct scsi_qla_host *ha, struct qla_work_evt *e, int locked)
2185 unsigned long uninitialized_var(flags);
2186 scsi_qla_host_t *pha = to_qla_parent(ha);
2189 spin_lock_irqsave(&pha->hardware_lock, flags);
2190 list_add_tail(&e->list, &ha->work_list);
2191 qla2xxx_wake_dpc(ha);
2193 spin_unlock_irqrestore(&pha->hardware_lock, flags);
2198 qla2x00_post_aen_work(struct scsi_qla_host *ha, enum fc_host_event_code code,
2201 struct qla_work_evt *e;
2203 e = qla2x00_alloc_work(ha, QLA_EVT_AEN, 1);
2205 return QLA_FUNCTION_FAILED;
2207 e->u.aen.code = code;
2208 e->u.aen.data = data;
2209 return qla2x00_post_work(ha, e, 1);
2213 qla2x00_post_hwe_work(struct scsi_qla_host *ha, uint16_t code, uint16_t d1,
2214 uint16_t d2, uint16_t d3)
2216 struct qla_work_evt *e;
2218 e = qla2x00_alloc_work(ha, QLA_EVT_HWE_LOG, 1);
2220 return QLA_FUNCTION_FAILED;
2222 e->u.hwe.code = code;
2226 return qla2x00_post_work(ha, e, 1);
2230 qla2x00_do_work(struct scsi_qla_host *ha)
2232 struct qla_work_evt *e;
2233 scsi_qla_host_t *pha = to_qla_parent(ha);
2235 spin_lock_irq(&pha->hardware_lock);
2236 while (!list_empty(&ha->work_list)) {
2237 e = list_entry(ha->work_list.next, struct qla_work_evt, list);
2238 list_del_init(&e->list);
2239 spin_unlock_irq(&pha->hardware_lock);
2243 fc_host_post_event(ha->host, fc_get_event_number(),
2244 e->u.aen.code, e->u.aen.data);
2246 case QLA_EVT_HWE_LOG:
2247 qla2xxx_hw_event_log(ha, e->u.hwe.code, e->u.hwe.d1,
2248 e->u.hwe.d2, e->u.hwe.d3);
2251 if (e->flags & QLA_EVT_FLAG_FREE)
2253 spin_lock_irq(&pha->hardware_lock);
2255 spin_unlock_irq(&pha->hardware_lock);
2258 /**************************************************************************
2260 * This kernel thread is a task that is schedule by the interrupt handler
2261 * to perform the background processing for interrupts.
2264 * This task always run in the context of a kernel thread. It
2265 * is kick-off by the driver's detect code and starts up
2266 * up one per adapter. It immediately goes to sleep and waits for
2267 * some fibre event. When either the interrupt handler or
2268 * the timer routine detects a event it will one of the task
2269 * bits then wake us up.
2270 **************************************************************************/
2272 qla2x00_do_dpc(void *data)
2275 scsi_qla_host_t *ha;
2278 uint16_t next_loopid;
2279 struct scsi_qla_host *vha;
2283 ha = (scsi_qla_host_t *)data;
2285 set_user_nice(current, -20);
2287 while (!kthread_should_stop()) {
2288 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2290 set_current_state(TASK_INTERRUPTIBLE);
2292 __set_current_state(TASK_RUNNING);
2294 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2296 /* Initialization not yet finished. Don't do anything yet. */
2297 if (!ha->flags.init_done)
2300 DEBUG3(printk("scsi(%ld): DPC handler\n", ha->host_no));
2304 if (ha->flags.mbox_busy) {
2309 qla2x00_do_work(ha);
2311 if (test_and_clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
2313 DEBUG(printk("scsi(%ld): dpc: sched "
2314 "qla2x00_abort_isp ha = %p\n",
2316 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
2319 if (qla2x00_abort_isp(ha)) {
2320 /* failed. retry later */
2321 set_bit(ISP_ABORT_NEEDED,
2324 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2327 for_each_mapped_vp_idx(ha, i) {
2328 list_for_each_entry(vha, &ha->vp_list,
2330 if (i == vha->vp_idx) {
2331 set_bit(ISP_ABORT_NEEDED,
2338 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
2342 if (test_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags)) {
2343 qla2x00_update_fcports(ha);
2344 clear_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags);
2347 if (test_and_clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) &&
2348 (!(test_and_set_bit(RESET_ACTIVE, &ha->dpc_flags)))) {
2350 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
2353 qla2x00_rst_aen(ha);
2354 clear_bit(RESET_ACTIVE, &ha->dpc_flags);
2357 /* Retry each device up to login retry count */
2358 if ((test_and_clear_bit(RELOGIN_NEEDED, &ha->dpc_flags)) &&
2359 !test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) &&
2360 atomic_read(&ha->loop_state) != LOOP_DOWN) {
2362 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
2366 list_for_each_entry(fcport, &ha->fcports, list) {
2368 * If the port is not ONLINE then try to login
2369 * to it if we haven't run out of retries.
2371 if (atomic_read(&fcport->state) != FCS_ONLINE &&
2372 fcport->login_retry) {
2374 if (fcport->flags & FCF_FABRIC_DEVICE) {
2377 ha->isp_ops->fabric_logout(
2378 ha, fcport->loop_id,
2379 fcport->d_id.b.domain,
2380 fcport->d_id.b.area,
2381 fcport->d_id.b.al_pa);
2382 status = qla2x00_fabric_login(
2383 ha, fcport, &next_loopid);
2386 qla2x00_local_device_login(
2389 fcport->login_retry--;
2390 if (status == QLA_SUCCESS) {
2391 fcport->old_loop_id = fcport->loop_id;
2393 DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n",
2394 ha->host_no, fcport->loop_id));
2396 qla2x00_update_fcport(ha,
2398 } else if (status == 1) {
2399 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
2400 /* retry the login again */
2401 DEBUG(printk("scsi(%ld): Retrying %d login again loop_id 0x%x\n",
2403 fcport->login_retry, fcport->loop_id));
2405 fcport->login_retry = 0;
2407 if (fcport->login_retry == 0 && status != QLA_SUCCESS)
2408 fcport->loop_id = FC_NO_LOOP_ID;
2410 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2413 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
2417 if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
2419 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
2422 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
2425 rval = qla2x00_loop_resync(ha);
2427 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
2430 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
2434 if (!ha->interrupts_on)
2435 ha->isp_ops->enable_intrs(ha);
2437 if (test_and_clear_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags))
2438 ha->isp_ops->beacon_blink(ha);
2440 qla2x00_do_dpc_all_vps(ha);
2443 } /* End of while(1) */
2445 DEBUG(printk("scsi(%ld): DPC handler exiting\n", ha->host_no));
2448 * Make sure that nobody tries to wake us up again.
2456 qla2xxx_wake_dpc(scsi_qla_host_t *ha)
2458 struct task_struct *t = ha->dpc_thread;
2460 if (!test_bit(UNLOADING, &ha->dpc_flags) && t)
2466 * Processes asynchronous reset.
2469 * ha = adapter block pointer.
2472 qla2x00_rst_aen(scsi_qla_host_t *ha)
2474 if (ha->flags.online && !ha->flags.reset_active &&
2475 !atomic_read(&ha->loop_down_timer) &&
2476 !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) {
2478 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
2481 * Issue marker command only when we are going to start
2484 ha->marker_needed = 1;
2485 } while (!atomic_read(&ha->loop_down_timer) &&
2486 (test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags)));
2491 qla2x00_sp_free_dma(scsi_qla_host_t *ha, srb_t *sp)
2493 struct scsi_cmnd *cmd = sp->cmd;
2495 if (sp->flags & SRB_DMA_VALID) {
2496 scsi_dma_unmap(cmd);
2497 sp->flags &= ~SRB_DMA_VALID;
2503 qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *sp)
2505 struct scsi_cmnd *cmd = sp->cmd;
2507 qla2x00_sp_free_dma(ha, sp);
2509 mempool_free(sp, ha->srb_mempool);
2511 cmd->scsi_done(cmd);
2514 /**************************************************************************
2520 * Context: Interrupt
2521 ***************************************************************************/
2523 qla2x00_timer(scsi_qla_host_t *ha)
2525 unsigned long cpu_flags = 0;
2531 scsi_qla_host_t *pha = to_qla_parent(ha);
2534 * Ports - Port down timer.
2536 * Whenever, a port is in the LOST state we start decrementing its port
2537 * down timer every second until it reaches zero. Once it reaches zero
2538 * the port it marked DEAD.
2541 list_for_each_entry(fcport, &ha->fcports, list) {
2542 if (fcport->port_type != FCT_TARGET)
2545 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2547 if (atomic_read(&fcport->port_down_timer) == 0)
2550 if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
2551 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
2553 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
2556 t, atomic_read(&fcport->port_down_timer)));
2559 } /* End of for fcport */
2562 /* Loop down handler. */
2563 if (atomic_read(&ha->loop_down_timer) > 0 &&
2564 !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) && ha->flags.online) {
2566 if (atomic_read(&ha->loop_down_timer) ==
2567 ha->loop_down_abort_time) {
2569 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2570 "queues before time expire\n",
2573 if (!IS_QLA2100(ha) && ha->link_down_timeout)
2574 atomic_set(&ha->loop_state, LOOP_DEAD);
2576 /* Schedule an ISP abort to return any tape commands. */
2577 /* NPIV - scan physical port only */
2579 spin_lock_irqsave(&ha->hardware_lock,
2582 index < MAX_OUTSTANDING_COMMANDS;
2586 sp = ha->outstanding_cmds[index];
2590 if (!(sfcp->flags & FCF_TAPE_PRESENT))
2593 set_bit(ISP_ABORT_NEEDED,
2597 spin_unlock_irqrestore(&ha->hardware_lock,
2600 set_bit(ABORT_QUEUES_NEEDED, &ha->dpc_flags);
2604 /* if the loop has been down for 4 minutes, reinit adapter */
2605 if (atomic_dec_and_test(&ha->loop_down_timer) != 0) {
2606 DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - "
2607 "restarting queues.\n",
2610 set_bit(RESTART_QUEUES_NEEDED, &ha->dpc_flags);
2613 if (!(ha->device_flags & DFLG_NO_CABLE) &&
2615 DEBUG(printk("scsi(%ld): Loop down - "
2618 qla_printk(KERN_WARNING, ha,
2619 "Loop down - aborting ISP.\n");
2621 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
2624 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
2626 atomic_read(&ha->loop_down_timer)));
2629 /* Check if beacon LED needs to be blinked */
2630 if (ha->beacon_blink_led == 1) {
2631 set_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags);
2635 /* Process any deferred work. */
2636 if (!list_empty(&ha->work_list))
2639 /* Schedule the DPC routine if needed */
2640 if ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) ||
2641 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) ||
2642 test_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags) ||
2644 test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) ||
2645 test_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags) ||
2646 test_bit(VP_DPC_NEEDED, &ha->dpc_flags) ||
2647 test_bit(RELOGIN_NEEDED, &ha->dpc_flags)))
2648 qla2xxx_wake_dpc(pha);
2650 qla2x00_restart_timer(ha, WATCH_INTERVAL);
2653 /* Firmware interface routines. */
2656 #define FW_ISP21XX 0
2657 #define FW_ISP22XX 1
2658 #define FW_ISP2300 2
2659 #define FW_ISP2322 3
2660 #define FW_ISP24XX 4
2661 #define FW_ISP25XX 5
2663 #define FW_FILE_ISP21XX "ql2100_fw.bin"
2664 #define FW_FILE_ISP22XX "ql2200_fw.bin"
2665 #define FW_FILE_ISP2300 "ql2300_fw.bin"
2666 #define FW_FILE_ISP2322 "ql2322_fw.bin"
2667 #define FW_FILE_ISP24XX "ql2400_fw.bin"
2668 #define FW_FILE_ISP25XX "ql2500_fw.bin"
2670 static DEFINE_MUTEX(qla_fw_lock);
2672 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
2673 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
2674 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
2675 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
2676 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
2677 { .name = FW_FILE_ISP24XX, },
2678 { .name = FW_FILE_ISP25XX, },
2682 qla2x00_request_firmware(scsi_qla_host_t *ha)
2684 struct fw_blob *blob;
2687 if (IS_QLA2100(ha)) {
2688 blob = &qla_fw_blobs[FW_ISP21XX];
2689 } else if (IS_QLA2200(ha)) {
2690 blob = &qla_fw_blobs[FW_ISP22XX];
2691 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
2692 blob = &qla_fw_blobs[FW_ISP2300];
2693 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
2694 blob = &qla_fw_blobs[FW_ISP2322];
2695 } else if (IS_QLA24XX_TYPE(ha)) {
2696 blob = &qla_fw_blobs[FW_ISP24XX];
2697 } else if (IS_QLA25XX(ha)) {
2698 blob = &qla_fw_blobs[FW_ISP25XX];
2701 mutex_lock(&qla_fw_lock);
2705 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
2706 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
2707 "(%s).\n", ha->host_no, blob->name));
2714 mutex_unlock(&qla_fw_lock);
2719 qla2x00_release_firmware(void)
2723 mutex_lock(&qla_fw_lock);
2724 for (idx = 0; idx < FW_BLOBS; idx++)
2725 if (qla_fw_blobs[idx].fw)
2726 release_firmware(qla_fw_blobs[idx].fw);
2727 mutex_unlock(&qla_fw_lock);
2730 static pci_ers_result_t
2731 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
2734 case pci_channel_io_normal:
2735 return PCI_ERS_RESULT_CAN_RECOVER;
2736 case pci_channel_io_frozen:
2737 pci_disable_device(pdev);
2738 return PCI_ERS_RESULT_NEED_RESET;
2739 case pci_channel_io_perm_failure:
2740 qla2x00_remove_one(pdev);
2741 return PCI_ERS_RESULT_DISCONNECT;
2743 return PCI_ERS_RESULT_NEED_RESET;
2746 static pci_ers_result_t
2747 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
2749 int risc_paused = 0;
2751 unsigned long flags;
2752 scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2753 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2754 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
2756 spin_lock_irqsave(&ha->hardware_lock, flags);
2757 if (IS_QLA2100(ha) || IS_QLA2200(ha)){
2758 stat = RD_REG_DWORD(®->hccr);
2759 if (stat & HCCR_RISC_PAUSE)
2761 } else if (IS_QLA23XX(ha)) {
2762 stat = RD_REG_DWORD(®->u.isp2300.host_status);
2763 if (stat & HSR_RISC_PAUSED)
2765 } else if (IS_FWI2_CAPABLE(ha)) {
2766 stat = RD_REG_DWORD(®24->host_status);
2767 if (stat & HSRX_RISC_PAUSED)
2770 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2773 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
2774 "Dumping firmware!\n");
2775 ha->isp_ops->fw_dump(ha, 0);
2777 return PCI_ERS_RESULT_NEED_RESET;
2779 return PCI_ERS_RESULT_RECOVERED;
2782 static pci_ers_result_t
2783 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
2785 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
2786 scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2790 rc = pci_enable_device_mem(pdev);
2792 rc = pci_enable_device(pdev);
2795 qla_printk(KERN_WARNING, ha,
2796 "Can't re-enable PCI device after reset.\n");
2800 pci_set_master(pdev);
2802 if (ha->isp_ops->pci_config(ha))
2805 set_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2806 if (qla2x00_abort_isp(ha)== QLA_SUCCESS)
2807 ret = PCI_ERS_RESULT_RECOVERED;
2808 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2814 qla2xxx_pci_resume(struct pci_dev *pdev)
2816 scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2819 ret = qla2x00_wait_for_hba_online(ha);
2820 if (ret != QLA_SUCCESS) {
2821 qla_printk(KERN_ERR, ha,
2822 "the device failed to resume I/O "
2823 "from slot/link_reset");
2825 pci_cleanup_aer_uncorrect_error_status(pdev);
2828 static struct pci_error_handlers qla2xxx_err_handler = {
2829 .error_detected = qla2xxx_pci_error_detected,
2830 .mmio_enabled = qla2xxx_pci_mmio_enabled,
2831 .slot_reset = qla2xxx_pci_slot_reset,
2832 .resume = qla2xxx_pci_resume,
2835 static struct pci_device_id qla2xxx_pci_tbl[] = {
2836 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
2837 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
2838 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
2839 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
2840 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
2841 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
2842 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
2843 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
2844 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
2845 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
2846 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
2847 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
2848 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
2851 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
2853 static struct pci_driver qla2xxx_pci_driver = {
2854 .name = QLA2XXX_DRIVER_NAME,
2856 .owner = THIS_MODULE,
2858 .id_table = qla2xxx_pci_tbl,
2859 .probe = qla2x00_probe_one,
2860 .remove = qla2x00_remove_one,
2861 .err_handler = &qla2xxx_err_handler,
2865 * qla2x00_module_init - Module initialization.
2868 qla2x00_module_init(void)
2872 /* Allocate cache for SRBs. */
2873 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
2874 SLAB_HWCACHE_ALIGN, NULL);
2875 if (srb_cachep == NULL) {
2877 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
2881 /* Derive version string. */
2882 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
2883 if (ql2xextended_error_logging)
2884 strcat(qla2x00_version_str, "-debug");
2886 qla2xxx_transport_template =
2887 fc_attach_transport(&qla2xxx_transport_functions);
2888 if (!qla2xxx_transport_template) {
2889 kmem_cache_destroy(srb_cachep);
2892 qla2xxx_transport_vport_template =
2893 fc_attach_transport(&qla2xxx_transport_vport_functions);
2894 if (!qla2xxx_transport_vport_template) {
2895 kmem_cache_destroy(srb_cachep);
2896 fc_release_transport(qla2xxx_transport_template);
2900 printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n",
2901 qla2x00_version_str);
2902 ret = pci_register_driver(&qla2xxx_pci_driver);
2904 kmem_cache_destroy(srb_cachep);
2905 fc_release_transport(qla2xxx_transport_template);
2906 fc_release_transport(qla2xxx_transport_vport_template);
2912 * qla2x00_module_exit - Module cleanup.
2915 qla2x00_module_exit(void)
2917 pci_unregister_driver(&qla2xxx_pci_driver);
2918 qla2x00_release_firmware();
2919 kmem_cache_destroy(srb_cachep);
2920 fc_release_transport(qla2xxx_transport_template);
2921 fc_release_transport(qla2xxx_transport_vport_template);
2924 module_init(qla2x00_module_init);
2925 module_exit(qla2x00_module_exit);
2927 MODULE_AUTHOR("QLogic Corporation");
2928 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
2929 MODULE_LICENSE("GPL");
2930 MODULE_VERSION(QLA2XXX_VERSION);
2931 MODULE_FIRMWARE(FW_FILE_ISP21XX);
2932 MODULE_FIRMWARE(FW_FILE_ISP22XX);
2933 MODULE_FIRMWARE(FW_FILE_ISP2300);
2934 MODULE_FIRMWARE(FW_FILE_ISP2322);
2935 MODULE_FIRMWARE(FW_FILE_ISP24XX);
2936 MODULE_FIRMWARE(FW_FILE_ISP25XX);