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 *);
69 module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR);
70 MODULE_PARM_DESC(ql2xfdmienable,
71 "Enables FDMI registratons "
72 "Default is 0 - no FDMI. 1 - perfom FDMI.");
74 #define MAX_Q_DEPTH 32
75 static int ql2xmaxqdepth = MAX_Q_DEPTH;
76 module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
77 MODULE_PARM_DESC(ql2xmaxqdepth,
78 "Maximum queue depth to report for target devices.");
80 int ql2xqfulltracking = 1;
81 module_param(ql2xqfulltracking, int, S_IRUGO|S_IWUSR);
82 MODULE_PARM_DESC(ql2xqfulltracking,
83 "Controls whether the driver tracks queue full status "
84 "returns and dynamically adjusts a scsi device's queue "
85 "depth. Default is 1, perform tracking. Set to 0 to "
86 "disable dynamic tracking and adjustment of queue depth.");
88 int ql2xqfullrampup = 120;
89 module_param(ql2xqfullrampup, int, S_IRUGO|S_IWUSR);
90 MODULE_PARM_DESC(ql2xqfullrampup,
91 "Number of seconds to wait to begin to ramp-up the queue "
92 "depth for a device after a queue-full condition has been "
93 "detected. Default is 120 seconds.");
95 int ql2xiidmaenable=1;
96 module_param(ql2xiidmaenable, int, S_IRUGO|S_IRUSR);
97 MODULE_PARM_DESC(ql2xiidmaenable,
98 "Enables iIDMA settings "
99 "Default is 1 - perform iIDMA. 0 - no iIDMA.");
101 int ql2xmaxqueues = 1;
102 module_param(ql2xmaxqueues, int, S_IRUGO|S_IRUSR);
103 MODULE_PARM_DESC(ql2xmaxqueues,
104 "Enables MQ settings "
105 "Default is 1 for single queue. Set it to number \
106 of queues in MQ mode.");
108 int ql2xmultique_tag;
109 module_param(ql2xmultique_tag, int, S_IRUGO|S_IRUSR);
110 MODULE_PARM_DESC(ql2xmultique_tag,
111 "Enables CPU affinity settings for the driver "
112 "Default is 0 for no affinity of request and response IO. "
113 "Set it to 1 to turn on the cpu affinity.");
116 module_param(ql2xfwloadbin, int, S_IRUGO|S_IRUSR);
117 MODULE_PARM_DESC(ql2xfwloadbin,
118 "Option to specify location from which to load ISP firmware:\n"
119 " 2 -- load firmware via the request_firmware() (hotplug)\n"
121 " 1 -- load firmware from flash.\n"
122 " 0 -- use default semantics.\n");
125 * SCSI host template entry points
127 static int qla2xxx_slave_configure(struct scsi_device * device);
128 static int qla2xxx_slave_alloc(struct scsi_device *);
129 static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
130 static void qla2xxx_scan_start(struct Scsi_Host *);
131 static void qla2xxx_slave_destroy(struct scsi_device *);
132 static int qla2xxx_queuecommand(struct scsi_cmnd *cmd,
133 void (*fn)(struct scsi_cmnd *));
134 static int qla2xxx_eh_abort(struct scsi_cmnd *);
135 static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
136 static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
137 static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
138 static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
140 static int qla2x00_change_queue_depth(struct scsi_device *, int);
141 static int qla2x00_change_queue_type(struct scsi_device *, int);
143 struct scsi_host_template qla2xxx_driver_template = {
144 .module = THIS_MODULE,
145 .name = QLA2XXX_DRIVER_NAME,
146 .queuecommand = qla2xxx_queuecommand,
148 .eh_abort_handler = qla2xxx_eh_abort,
149 .eh_device_reset_handler = qla2xxx_eh_device_reset,
150 .eh_target_reset_handler = qla2xxx_eh_target_reset,
151 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
152 .eh_host_reset_handler = qla2xxx_eh_host_reset,
154 .slave_configure = qla2xxx_slave_configure,
156 .slave_alloc = qla2xxx_slave_alloc,
157 .slave_destroy = qla2xxx_slave_destroy,
158 .scan_finished = qla2xxx_scan_finished,
159 .scan_start = qla2xxx_scan_start,
160 .change_queue_depth = qla2x00_change_queue_depth,
161 .change_queue_type = qla2x00_change_queue_type,
164 .use_clustering = ENABLE_CLUSTERING,
165 .sg_tablesize = SG_ALL,
167 .max_sectors = 0xFFFF,
168 .shost_attrs = qla2x00_host_attrs,
171 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
172 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
174 /* TODO Convert to inlines
180 qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval)
182 init_timer(&vha->timer);
183 vha->timer.expires = jiffies + interval * HZ;
184 vha->timer.data = (unsigned long)vha;
185 vha->timer.function = (void (*)(unsigned long))func;
186 add_timer(&vha->timer);
187 vha->timer_active = 1;
191 qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
193 mod_timer(&vha->timer, jiffies + interval * HZ);
196 static __inline__ void
197 qla2x00_stop_timer(scsi_qla_host_t *vha)
199 del_timer_sync(&vha->timer);
200 vha->timer_active = 0;
203 static int qla2x00_do_dpc(void *data);
205 static void qla2x00_rst_aen(scsi_qla_host_t *);
207 static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
208 struct req_que **, struct rsp_que **);
209 static void qla2x00_mem_free(struct qla_hw_data *);
210 static void qla2x00_sp_free_dma(srb_t *);
212 /* -------------------------------------------------------------------------- */
213 static int qla2x00_alloc_queues(struct qla_hw_data *ha)
215 ha->req_q_map = kzalloc(sizeof(struct req_que *) * ha->max_req_queues,
217 if (!ha->req_q_map) {
218 qla_printk(KERN_WARNING, ha,
219 "Unable to allocate memory for request queue ptrs\n");
223 ha->rsp_q_map = kzalloc(sizeof(struct rsp_que *) * ha->max_rsp_queues,
225 if (!ha->rsp_q_map) {
226 qla_printk(KERN_WARNING, ha,
227 "Unable to allocate memory for response queue ptrs\n");
230 set_bit(0, ha->rsp_qid_map);
231 set_bit(0, ha->req_qid_map);
235 kfree(ha->req_q_map);
236 ha->req_q_map = NULL;
241 static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
243 if (req && req->ring)
244 dma_free_coherent(&ha->pdev->dev,
245 (req->length + 1) * sizeof(request_t),
246 req->ring, req->dma);
252 static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
254 if (rsp && rsp->ring)
255 dma_free_coherent(&ha->pdev->dev,
256 (rsp->length + 1) * sizeof(response_t),
257 rsp->ring, rsp->dma);
263 static void qla2x00_free_queues(struct qla_hw_data *ha)
269 for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
270 req = ha->req_q_map[cnt];
271 qla2x00_free_req_que(ha, req);
273 kfree(ha->req_q_map);
274 ha->req_q_map = NULL;
276 for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
277 rsp = ha->rsp_q_map[cnt];
278 qla2x00_free_rsp_que(ha, rsp);
280 kfree(ha->rsp_q_map);
281 ha->rsp_q_map = NULL;
284 static int qla25xx_setup_mode(struct scsi_qla_host *vha)
286 uint16_t options = 0;
288 struct qla_hw_data *ha = vha->hw;
290 if (ql2xmultique_tag) {
291 /* CPU affinity mode */
292 ha->wq = create_workqueue("qla2xxx_wq");
293 /* create a request queue for IO */
295 req = qla25xx_create_req_que(ha, options, 0, 0, -1,
296 QLA_DEFAULT_QUE_QOS);
298 qla_printk(KERN_WARNING, ha,
299 "Can't create request queue\n");
302 vha->req = ha->req_q_map[req];
304 for (ques = 1; ques < ha->max_rsp_queues; ques++) {
305 ret = qla25xx_create_rsp_que(ha, options, 0, 0, req);
307 qla_printk(KERN_WARNING, ha,
308 "Response Queue create failed\n");
312 DEBUG2(qla_printk(KERN_INFO, ha,
313 "CPU affinity mode enabled, no. of response"
314 " queues:%d, no. of request queues:%d\n",
315 ha->max_rsp_queues, ha->max_req_queues));
319 qla25xx_delete_queues(vha);
326 qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
328 struct qla_hw_data *ha = vha->hw;
329 static char *pci_bus_modes[] = {
330 "33", "66", "100", "133",
335 pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
338 strcat(str, pci_bus_modes[pci_bus]);
340 pci_bus = (ha->pci_attr & BIT_8) >> 8;
342 strcat(str, pci_bus_modes[pci_bus]);
344 strcat(str, " MHz)");
350 qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
352 static char *pci_bus_modes[] = { "33", "66", "100", "133", };
353 struct qla_hw_data *ha = vha->hw;
357 pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
360 uint16_t pcie_lstat, lspeed, lwidth;
363 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
364 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
365 lwidth = (pcie_lstat &
366 (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
368 strcpy(str, "PCIe (");
370 strcat(str, "2.5GT/s ");
371 else if (lspeed == 2)
372 strcat(str, "5.0GT/s ");
374 strcat(str, "<unknown> ");
375 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
382 pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
383 if (pci_bus == 0 || pci_bus == 8) {
385 strcat(str, pci_bus_modes[pci_bus >> 3]);
389 strcat(str, "Mode 2");
391 strcat(str, "Mode 1");
393 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
395 strcat(str, " MHz)");
401 qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str)
404 struct qla_hw_data *ha = vha->hw;
406 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
407 ha->fw_minor_version,
408 ha->fw_subminor_version);
410 if (ha->fw_attributes & BIT_9) {
415 switch (ha->fw_attributes & 0xFF) {
429 sprintf(un_str, "(%x)", ha->fw_attributes);
433 if (ha->fw_attributes & 0x100)
440 qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str)
442 struct qla_hw_data *ha = vha->hw;
444 sprintf(str, "%d.%02d.%02d (%x)", ha->fw_major_version,
445 ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
449 static inline srb_t *
450 qla2x00_get_new_sp(scsi_qla_host_t *vha, fc_port_t *fcport,
451 struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
454 struct qla_hw_data *ha = vha->hw;
456 sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
463 CMD_SP(cmd) = (void *)sp;
464 cmd->scsi_done = done;
470 qla2xxx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
472 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
473 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
474 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
475 struct qla_hw_data *ha = vha->hw;
476 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
480 if (unlikely(pci_channel_offline(ha->pdev))) {
481 if (ha->pdev->error_state == pci_channel_io_frozen)
482 cmd->result = DID_REQUEUE << 16;
484 cmd->result = DID_NO_CONNECT << 16;
485 goto qc24_fail_command;
488 rval = fc_remote_port_chkready(rport);
491 goto qc24_fail_command;
494 /* Close window on fcport/rport state-transitioning. */
496 goto qc24_target_busy;
498 if (atomic_read(&fcport->state) != FCS_ONLINE) {
499 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
500 atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
501 cmd->result = DID_NO_CONNECT << 16;
502 goto qc24_fail_command;
504 goto qc24_target_busy;
507 spin_unlock_irq(vha->host->host_lock);
509 sp = qla2x00_get_new_sp(base_vha, fcport, cmd, done);
511 goto qc24_host_busy_lock;
513 rval = ha->isp_ops->start_scsi(sp);
514 if (rval != QLA_SUCCESS)
515 goto qc24_host_busy_free_sp;
517 spin_lock_irq(vha->host->host_lock);
521 qc24_host_busy_free_sp:
522 qla2x00_sp_free_dma(sp);
523 mempool_free(sp, ha->srb_mempool);
526 spin_lock_irq(vha->host->host_lock);
527 return SCSI_MLQUEUE_HOST_BUSY;
530 return SCSI_MLQUEUE_TARGET_BUSY;
540 * qla2x00_eh_wait_on_command
541 * Waits for the command to be returned by the Firmware for some
545 * cmd = Scsi Command to wait on.
552 qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
554 #define ABORT_POLLING_PERIOD 1000
555 #define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
556 unsigned long wait_iter = ABORT_WAIT_ITER;
557 int ret = QLA_SUCCESS;
559 while (CMD_SP(cmd)) {
560 msleep(ABORT_POLLING_PERIOD);
566 ret = QLA_FUNCTION_FAILED;
572 * qla2x00_wait_for_hba_online
573 * Wait till the HBA is online after going through
574 * <= MAX_RETRIES_OF_ISP_ABORT or
575 * finally HBA is disabled ie marked offline
578 * ha - pointer to host adapter structure
581 * Does context switching-Release SPIN_LOCK
582 * (if any) before calling this routine.
585 * Success (Adapter is online) : 0
586 * Failed (Adapter is offline/disabled) : 1
589 qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
592 unsigned long wait_online;
593 struct qla_hw_data *ha = vha->hw;
594 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
596 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
597 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
598 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
599 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
600 ha->dpc_active) && time_before(jiffies, wait_online)) {
604 if (base_vha->flags.online)
605 return_status = QLA_SUCCESS;
607 return_status = QLA_FUNCTION_FAILED;
609 return (return_status);
613 qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
616 unsigned long wait_reset;
617 struct qla_hw_data *ha = vha->hw;
618 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
620 wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
621 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
622 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
623 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
624 ha->dpc_active) && time_before(jiffies, wait_reset)) {
628 if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
629 ha->flags.chip_reset_done)
632 if (ha->flags.chip_reset_done)
633 return_status = QLA_SUCCESS;
635 return_status = QLA_FUNCTION_FAILED;
637 return return_status;
641 * qla2x00_wait_for_loop_ready
642 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
643 * to be in LOOP_READY state.
645 * ha - pointer to host adapter structure
648 * Does context switching-Release SPIN_LOCK
649 * (if any) before calling this routine.
653 * Success (LOOP_READY) : 0
654 * Failed (LOOP_NOT_READY) : 1
657 qla2x00_wait_for_loop_ready(scsi_qla_host_t *vha)
659 int return_status = QLA_SUCCESS;
660 unsigned long loop_timeout ;
661 struct qla_hw_data *ha = vha->hw;
662 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
664 /* wait for 5 min at the max for loop to be ready */
665 loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
667 while ((!atomic_read(&base_vha->loop_down_timer) &&
668 atomic_read(&base_vha->loop_state) == LOOP_DOWN) ||
669 atomic_read(&base_vha->loop_state) != LOOP_READY) {
670 if (atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
671 return_status = QLA_FUNCTION_FAILED;
675 if (time_after_eq(jiffies, loop_timeout)) {
676 return_status = QLA_FUNCTION_FAILED;
680 return (return_status);
684 qla2x00_abort_fcport_cmds(fc_port_t *fcport)
689 scsi_qla_host_t *vha = fcport->vha;
690 struct qla_hw_data *ha = vha->hw;
693 spin_lock_irqsave(&ha->hardware_lock, flags);
695 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
696 sp = req->outstanding_cmds[cnt];
699 if (sp->fcport != fcport)
702 spin_unlock_irqrestore(&ha->hardware_lock, flags);
703 if (ha->isp_ops->abort_command(sp)) {
704 DEBUG2(qla_printk(KERN_WARNING, ha,
705 "Abort failed -- %lx\n",
706 sp->cmd->serial_number));
708 if (qla2x00_eh_wait_on_command(sp->cmd) !=
710 DEBUG2(qla_printk(KERN_WARNING, ha,
711 "Abort failed while waiting -- %lx\n",
712 sp->cmd->serial_number));
714 spin_lock_irqsave(&ha->hardware_lock, flags);
716 spin_unlock_irqrestore(&ha->hardware_lock, flags);
720 qla2x00_block_error_handler(struct scsi_cmnd *cmnd)
722 struct Scsi_Host *shost = cmnd->device->host;
723 struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device));
726 spin_lock_irqsave(shost->host_lock, flags);
727 while (rport->port_state == FC_PORTSTATE_BLOCKED) {
728 spin_unlock_irqrestore(shost->host_lock, flags);
730 spin_lock_irqsave(shost->host_lock, flags);
732 spin_unlock_irqrestore(shost->host_lock, flags);
736 /**************************************************************************
740 * The abort function will abort the specified command.
743 * cmd = Linux SCSI command packet to be aborted.
746 * Either SUCCESS or FAILED.
749 * Only return FAILED if command not returned by firmware.
750 **************************************************************************/
752 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
754 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
757 unsigned int id, lun;
758 unsigned long serial;
761 struct qla_hw_data *ha = vha->hw;
762 struct req_que *req = vha->req;
765 qla2x00_block_error_handler(cmd);
772 id = cmd->device->id;
773 lun = cmd->device->lun;
774 serial = cmd->serial_number;
775 spt = (srb_t *) CMD_SP(cmd);
779 /* Check active list for command command. */
780 spin_lock_irqsave(&ha->hardware_lock, flags);
781 for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
782 sp = req->outstanding_cmds[i];
790 DEBUG2(printk("%s(%ld): aborting sp %p from RISC."
791 " pid=%ld.\n", __func__, vha->host_no, sp, serial));
793 spin_unlock_irqrestore(&ha->hardware_lock, flags);
794 if (ha->isp_ops->abort_command(sp)) {
795 DEBUG2(printk("%s(%ld): abort_command "
796 "mbx failed.\n", __func__, vha->host_no));
799 DEBUG3(printk("%s(%ld): abort_command "
800 "mbx success.\n", __func__, vha->host_no));
803 spin_lock_irqsave(&ha->hardware_lock, flags);
806 spin_unlock_irqrestore(&ha->hardware_lock, flags);
808 /* Wait for the command to be returned. */
810 if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
811 qla_printk(KERN_ERR, ha,
812 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
813 "%x.\n", vha->host_no, id, lun, serial, ret);
818 qla_printk(KERN_INFO, ha,
819 "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
820 vha->host_no, id, lun, wait, serial, ret);
825 enum nexus_wait_type {
832 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
833 unsigned int l, srb_t *sp, enum nexus_wait_type type)
835 int cnt, match, status;
837 struct qla_hw_data *ha = vha->hw;
840 status = QLA_SUCCESS;
844 spin_lock_irqsave(&ha->hardware_lock, flags);
846 for (cnt = 1; status == QLA_SUCCESS &&
847 cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
848 sp = req->outstanding_cmds[cnt];
852 if (vha->vp_idx != sp->fcport->vha->vp_idx)
860 match = sp->cmd->device->id == t;
863 match = (sp->cmd->device->id == t &&
864 sp->cmd->device->lun == l);
870 spin_unlock_irqrestore(&ha->hardware_lock, flags);
871 status = qla2x00_eh_wait_on_command(sp->cmd);
872 spin_lock_irqsave(&ha->hardware_lock, flags);
874 spin_unlock_irqrestore(&ha->hardware_lock, flags);
879 static char *reset_errors[] = {
882 "Task management failed",
883 "Waiting for command completions",
887 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
888 struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int, int))
890 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
891 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
894 qla2x00_block_error_handler(cmd);
899 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET ISSUED.\n",
900 vha->host_no, cmd->device->id, cmd->device->lun, name);
903 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
904 goto eh_reset_failed;
906 if (qla2x00_wait_for_loop_ready(vha) != QLA_SUCCESS)
907 goto eh_reset_failed;
909 if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
911 goto eh_reset_failed;
913 if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
914 cmd->device->lun, (srb_t *) CMD_SP(cmd), type) != QLA_SUCCESS)
915 goto eh_reset_failed;
917 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n",
918 vha->host_no, cmd->device->id, cmd->device->lun, name);
923 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n"
924 , vha->host_no, cmd->device->id, cmd->device->lun, name,
930 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
932 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
933 struct qla_hw_data *ha = vha->hw;
935 return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
936 ha->isp_ops->lun_reset);
940 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
942 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
943 struct qla_hw_data *ha = vha->hw;
945 return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
946 ha->isp_ops->target_reset);
949 /**************************************************************************
950 * qla2xxx_eh_bus_reset
953 * The bus reset function will reset the bus and abort any executing
957 * cmd = Linux SCSI command packet of the command that cause the
961 * SUCCESS/FAILURE (defined as macro in scsi.h).
963 **************************************************************************/
965 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
967 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
968 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
970 unsigned int id, lun;
971 unsigned long serial;
972 srb_t *sp = (srb_t *) CMD_SP(cmd);
974 qla2x00_block_error_handler(cmd);
976 id = cmd->device->id;
977 lun = cmd->device->lun;
978 serial = cmd->serial_number;
983 qla_printk(KERN_INFO, vha->hw,
984 "scsi(%ld:%d:%d): BUS RESET ISSUED.\n", vha->host_no, id, lun);
986 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
987 DEBUG2(printk("%s failed:board disabled\n",__func__));
988 goto eh_bus_reset_done;
991 if (qla2x00_wait_for_loop_ready(vha) == QLA_SUCCESS) {
992 if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
996 goto eh_bus_reset_done;
998 /* Flush outstanding commands. */
999 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) !=
1004 qla_printk(KERN_INFO, vha->hw, "%s: reset %s\n", __func__,
1005 (ret == FAILED) ? "failed" : "succeded");
1010 /**************************************************************************
1011 * qla2xxx_eh_host_reset
1014 * The reset function will reset the Adapter.
1017 * cmd = Linux SCSI command packet of the command that cause the
1021 * Either SUCCESS or FAILED.
1024 **************************************************************************/
1026 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1028 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1029 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1030 struct qla_hw_data *ha = vha->hw;
1032 unsigned int id, lun;
1033 unsigned long serial;
1034 srb_t *sp = (srb_t *) CMD_SP(cmd);
1035 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1037 qla2x00_block_error_handler(cmd);
1039 id = cmd->device->id;
1040 lun = cmd->device->lun;
1041 serial = cmd->serial_number;
1046 qla_printk(KERN_INFO, ha,
1047 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", vha->host_no, id, lun);
1049 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
1050 goto eh_host_reset_lock;
1053 * Fixme-may be dpc thread is active and processing
1054 * loop_resync,so wait a while for it to
1055 * be completed and then issue big hammer.Otherwise
1056 * it may cause I/O failure as big hammer marks the
1057 * devices as lost kicking of the port_down_timer
1058 * while dpc is stuck for the mailbox to complete.
1060 qla2x00_wait_for_loop_ready(vha);
1061 if (vha != base_vha) {
1062 if (qla2x00_vp_abort_isp(vha))
1063 goto eh_host_reset_lock;
1066 flush_workqueue(ha->wq);
1068 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1069 if (qla2x00_abort_isp(base_vha)) {
1070 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1071 /* failed. schedule dpc to try */
1072 set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1074 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
1075 goto eh_host_reset_lock;
1077 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1080 /* Waiting for command to be returned to OS.*/
1081 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) ==
1086 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1087 (ret == FAILED) ? "failed" : "succeded");
1093 * qla2x00_loop_reset
1097 * ha = adapter block pointer.
1103 qla2x00_loop_reset(scsi_qla_host_t *vha)
1106 struct fc_port *fcport;
1107 struct qla_hw_data *ha = vha->hw;
1109 if (ha->flags.enable_lip_full_login && !vha->vp_idx &&
1111 ret = qla2x00_full_login_lip(vha);
1112 if (ret != QLA_SUCCESS) {
1113 DEBUG2_3(printk("%s(%ld): failed: "
1114 "full_login_lip=%d.\n", __func__, vha->host_no,
1117 atomic_set(&vha->loop_state, LOOP_DOWN);
1118 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1119 qla2x00_mark_all_devices_lost(vha, 0);
1120 qla2x00_wait_for_loop_ready(vha);
1123 if (ha->flags.enable_lip_reset && !vha->vp_idx) {
1124 ret = qla2x00_lip_reset(vha);
1125 if (ret != QLA_SUCCESS) {
1126 DEBUG2_3(printk("%s(%ld): failed: "
1127 "lip_reset=%d.\n", __func__, vha->host_no, ret));
1129 qla2x00_wait_for_loop_ready(vha);
1132 if (ha->flags.enable_target_reset) {
1133 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1134 if (fcport->port_type != FCT_TARGET)
1137 ret = ha->isp_ops->target_reset(fcport, 0, 0);
1138 if (ret != QLA_SUCCESS) {
1139 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1140 "target_reset=%d d_id=%x.\n", __func__,
1141 vha->host_no, ret, fcport->d_id.b24));
1145 /* Issue marker command only when we are going to start the I/O */
1146 vha->marker_needed = 1;
1152 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1155 unsigned long flags;
1157 struct qla_hw_data *ha = vha->hw;
1158 struct req_que *req;
1160 spin_lock_irqsave(&ha->hardware_lock, flags);
1161 for (que = 0; que < ha->max_req_queues; que++) {
1162 req = ha->req_q_map[que];
1165 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1166 sp = req->outstanding_cmds[cnt];
1168 req->outstanding_cmds[cnt] = NULL;
1169 sp->cmd->result = res;
1170 qla2x00_sp_compl(ha, sp);
1174 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1178 qla2xxx_slave_alloc(struct scsi_device *sdev)
1180 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1182 if (!rport || fc_remote_port_chkready(rport))
1185 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1191 qla2xxx_slave_configure(struct scsi_device *sdev)
1193 scsi_qla_host_t *vha = shost_priv(sdev->host);
1194 struct qla_hw_data *ha = vha->hw;
1195 struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1196 struct req_que *req = vha->req;
1198 if (sdev->tagged_supported)
1199 scsi_activate_tcq(sdev, req->max_q_depth);
1201 scsi_deactivate_tcq(sdev, req->max_q_depth);
1203 rport->dev_loss_tmo = ha->port_down_retry_count;
1209 qla2xxx_slave_destroy(struct scsi_device *sdev)
1211 sdev->hostdata = NULL;
1215 qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
1217 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1218 return sdev->queue_depth;
1222 qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1224 if (sdev->tagged_supported) {
1225 scsi_set_tag_type(sdev, tag_type);
1227 scsi_activate_tcq(sdev, sdev->queue_depth);
1229 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1237 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1240 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1241 * supported addressing method.
1244 qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1246 /* Assume a 32bit DMA mask. */
1247 ha->flags.enable_64bit_addressing = 0;
1249 if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1250 /* Any upper-dword bits set? */
1251 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1252 !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
1253 /* Ok, a 64bit DMA mask is applicable. */
1254 ha->flags.enable_64bit_addressing = 1;
1255 ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1256 ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1261 dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1262 pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1266 qla2x00_enable_intrs(struct qla_hw_data *ha)
1268 unsigned long flags = 0;
1269 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1271 spin_lock_irqsave(&ha->hardware_lock, flags);
1272 ha->interrupts_on = 1;
1273 /* enable risc and host interrupts */
1274 WRT_REG_WORD(®->ictrl, ICR_EN_INT | ICR_EN_RISC);
1275 RD_REG_WORD(®->ictrl);
1276 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1281 qla2x00_disable_intrs(struct qla_hw_data *ha)
1283 unsigned long flags = 0;
1284 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1286 spin_lock_irqsave(&ha->hardware_lock, flags);
1287 ha->interrupts_on = 0;
1288 /* disable risc and host interrupts */
1289 WRT_REG_WORD(®->ictrl, 0);
1290 RD_REG_WORD(®->ictrl);
1291 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1295 qla24xx_enable_intrs(struct qla_hw_data *ha)
1297 unsigned long flags = 0;
1298 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1300 spin_lock_irqsave(&ha->hardware_lock, flags);
1301 ha->interrupts_on = 1;
1302 WRT_REG_DWORD(®->ictrl, ICRX_EN_RISC_INT);
1303 RD_REG_DWORD(®->ictrl);
1304 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1308 qla24xx_disable_intrs(struct qla_hw_data *ha)
1310 unsigned long flags = 0;
1311 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1313 if (IS_NOPOLLING_TYPE(ha))
1315 spin_lock_irqsave(&ha->hardware_lock, flags);
1316 ha->interrupts_on = 0;
1317 WRT_REG_DWORD(®->ictrl, 0);
1318 RD_REG_DWORD(®->ictrl);
1319 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1322 static struct isp_operations qla2100_isp_ops = {
1323 .pci_config = qla2100_pci_config,
1324 .reset_chip = qla2x00_reset_chip,
1325 .chip_diag = qla2x00_chip_diag,
1326 .config_rings = qla2x00_config_rings,
1327 .reset_adapter = qla2x00_reset_adapter,
1328 .nvram_config = qla2x00_nvram_config,
1329 .update_fw_options = qla2x00_update_fw_options,
1330 .load_risc = qla2x00_load_risc,
1331 .pci_info_str = qla2x00_pci_info_str,
1332 .fw_version_str = qla2x00_fw_version_str,
1333 .intr_handler = qla2100_intr_handler,
1334 .enable_intrs = qla2x00_enable_intrs,
1335 .disable_intrs = qla2x00_disable_intrs,
1336 .abort_command = qla2x00_abort_command,
1337 .target_reset = qla2x00_abort_target,
1338 .lun_reset = qla2x00_lun_reset,
1339 .fabric_login = qla2x00_login_fabric,
1340 .fabric_logout = qla2x00_fabric_logout,
1341 .calc_req_entries = qla2x00_calc_iocbs_32,
1342 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1343 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1344 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1345 .read_nvram = qla2x00_read_nvram_data,
1346 .write_nvram = qla2x00_write_nvram_data,
1347 .fw_dump = qla2100_fw_dump,
1350 .beacon_blink = NULL,
1351 .read_optrom = qla2x00_read_optrom_data,
1352 .write_optrom = qla2x00_write_optrom_data,
1353 .get_flash_version = qla2x00_get_flash_version,
1354 .start_scsi = qla2x00_start_scsi,
1357 static struct isp_operations qla2300_isp_ops = {
1358 .pci_config = qla2300_pci_config,
1359 .reset_chip = qla2x00_reset_chip,
1360 .chip_diag = qla2x00_chip_diag,
1361 .config_rings = qla2x00_config_rings,
1362 .reset_adapter = qla2x00_reset_adapter,
1363 .nvram_config = qla2x00_nvram_config,
1364 .update_fw_options = qla2x00_update_fw_options,
1365 .load_risc = qla2x00_load_risc,
1366 .pci_info_str = qla2x00_pci_info_str,
1367 .fw_version_str = qla2x00_fw_version_str,
1368 .intr_handler = qla2300_intr_handler,
1369 .enable_intrs = qla2x00_enable_intrs,
1370 .disable_intrs = qla2x00_disable_intrs,
1371 .abort_command = qla2x00_abort_command,
1372 .target_reset = qla2x00_abort_target,
1373 .lun_reset = qla2x00_lun_reset,
1374 .fabric_login = qla2x00_login_fabric,
1375 .fabric_logout = qla2x00_fabric_logout,
1376 .calc_req_entries = qla2x00_calc_iocbs_32,
1377 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1378 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1379 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1380 .read_nvram = qla2x00_read_nvram_data,
1381 .write_nvram = qla2x00_write_nvram_data,
1382 .fw_dump = qla2300_fw_dump,
1383 .beacon_on = qla2x00_beacon_on,
1384 .beacon_off = qla2x00_beacon_off,
1385 .beacon_blink = qla2x00_beacon_blink,
1386 .read_optrom = qla2x00_read_optrom_data,
1387 .write_optrom = qla2x00_write_optrom_data,
1388 .get_flash_version = qla2x00_get_flash_version,
1389 .start_scsi = qla2x00_start_scsi,
1392 static struct isp_operations qla24xx_isp_ops = {
1393 .pci_config = qla24xx_pci_config,
1394 .reset_chip = qla24xx_reset_chip,
1395 .chip_diag = qla24xx_chip_diag,
1396 .config_rings = qla24xx_config_rings,
1397 .reset_adapter = qla24xx_reset_adapter,
1398 .nvram_config = qla24xx_nvram_config,
1399 .update_fw_options = qla24xx_update_fw_options,
1400 .load_risc = qla24xx_load_risc,
1401 .pci_info_str = qla24xx_pci_info_str,
1402 .fw_version_str = qla24xx_fw_version_str,
1403 .intr_handler = qla24xx_intr_handler,
1404 .enable_intrs = qla24xx_enable_intrs,
1405 .disable_intrs = qla24xx_disable_intrs,
1406 .abort_command = qla24xx_abort_command,
1407 .target_reset = qla24xx_abort_target,
1408 .lun_reset = qla24xx_lun_reset,
1409 .fabric_login = qla24xx_login_fabric,
1410 .fabric_logout = qla24xx_fabric_logout,
1411 .calc_req_entries = NULL,
1412 .build_iocbs = NULL,
1413 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1414 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1415 .read_nvram = qla24xx_read_nvram_data,
1416 .write_nvram = qla24xx_write_nvram_data,
1417 .fw_dump = qla24xx_fw_dump,
1418 .beacon_on = qla24xx_beacon_on,
1419 .beacon_off = qla24xx_beacon_off,
1420 .beacon_blink = qla24xx_beacon_blink,
1421 .read_optrom = qla24xx_read_optrom_data,
1422 .write_optrom = qla24xx_write_optrom_data,
1423 .get_flash_version = qla24xx_get_flash_version,
1424 .start_scsi = qla24xx_start_scsi,
1427 static struct isp_operations qla25xx_isp_ops = {
1428 .pci_config = qla25xx_pci_config,
1429 .reset_chip = qla24xx_reset_chip,
1430 .chip_diag = qla24xx_chip_diag,
1431 .config_rings = qla24xx_config_rings,
1432 .reset_adapter = qla24xx_reset_adapter,
1433 .nvram_config = qla24xx_nvram_config,
1434 .update_fw_options = qla24xx_update_fw_options,
1435 .load_risc = qla24xx_load_risc,
1436 .pci_info_str = qla24xx_pci_info_str,
1437 .fw_version_str = qla24xx_fw_version_str,
1438 .intr_handler = qla24xx_intr_handler,
1439 .enable_intrs = qla24xx_enable_intrs,
1440 .disable_intrs = qla24xx_disable_intrs,
1441 .abort_command = qla24xx_abort_command,
1442 .target_reset = qla24xx_abort_target,
1443 .lun_reset = qla24xx_lun_reset,
1444 .fabric_login = qla24xx_login_fabric,
1445 .fabric_logout = qla24xx_fabric_logout,
1446 .calc_req_entries = NULL,
1447 .build_iocbs = NULL,
1448 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1449 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1450 .read_nvram = qla25xx_read_nvram_data,
1451 .write_nvram = qla25xx_write_nvram_data,
1452 .fw_dump = qla25xx_fw_dump,
1453 .beacon_on = qla24xx_beacon_on,
1454 .beacon_off = qla24xx_beacon_off,
1455 .beacon_blink = qla24xx_beacon_blink,
1456 .read_optrom = qla25xx_read_optrom_data,
1457 .write_optrom = qla24xx_write_optrom_data,
1458 .get_flash_version = qla24xx_get_flash_version,
1459 .start_scsi = qla24xx_start_scsi,
1462 static struct isp_operations qla81xx_isp_ops = {
1463 .pci_config = qla25xx_pci_config,
1464 .reset_chip = qla24xx_reset_chip,
1465 .chip_diag = qla24xx_chip_diag,
1466 .config_rings = qla24xx_config_rings,
1467 .reset_adapter = qla24xx_reset_adapter,
1468 .nvram_config = qla81xx_nvram_config,
1469 .update_fw_options = qla81xx_update_fw_options,
1470 .load_risc = qla81xx_load_risc,
1471 .pci_info_str = qla24xx_pci_info_str,
1472 .fw_version_str = qla24xx_fw_version_str,
1473 .intr_handler = qla24xx_intr_handler,
1474 .enable_intrs = qla24xx_enable_intrs,
1475 .disable_intrs = qla24xx_disable_intrs,
1476 .abort_command = qla24xx_abort_command,
1477 .target_reset = qla24xx_abort_target,
1478 .lun_reset = qla24xx_lun_reset,
1479 .fabric_login = qla24xx_login_fabric,
1480 .fabric_logout = qla24xx_fabric_logout,
1481 .calc_req_entries = NULL,
1482 .build_iocbs = NULL,
1483 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1484 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1486 .write_nvram = NULL,
1487 .fw_dump = qla81xx_fw_dump,
1488 .beacon_on = qla24xx_beacon_on,
1489 .beacon_off = qla24xx_beacon_off,
1490 .beacon_blink = qla24xx_beacon_blink,
1491 .read_optrom = qla25xx_read_optrom_data,
1492 .write_optrom = qla24xx_write_optrom_data,
1493 .get_flash_version = qla24xx_get_flash_version,
1494 .start_scsi = qla24xx_start_scsi,
1498 qla2x00_set_isp_flags(struct qla_hw_data *ha)
1500 ha->device_type = DT_EXTENDED_IDS;
1501 switch (ha->pdev->device) {
1502 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1503 ha->device_type |= DT_ISP2100;
1504 ha->device_type &= ~DT_EXTENDED_IDS;
1505 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1507 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1508 ha->device_type |= DT_ISP2200;
1509 ha->device_type &= ~DT_EXTENDED_IDS;
1510 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1512 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1513 ha->device_type |= DT_ISP2300;
1514 ha->device_type |= DT_ZIO_SUPPORTED;
1515 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1517 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1518 ha->device_type |= DT_ISP2312;
1519 ha->device_type |= DT_ZIO_SUPPORTED;
1520 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1522 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1523 ha->device_type |= DT_ISP2322;
1524 ha->device_type |= DT_ZIO_SUPPORTED;
1525 if (ha->pdev->subsystem_vendor == 0x1028 &&
1526 ha->pdev->subsystem_device == 0x0170)
1527 ha->device_type |= DT_OEM_001;
1528 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1530 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1531 ha->device_type |= DT_ISP6312;
1532 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1534 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1535 ha->device_type |= DT_ISP6322;
1536 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1538 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1539 ha->device_type |= DT_ISP2422;
1540 ha->device_type |= DT_ZIO_SUPPORTED;
1541 ha->device_type |= DT_FWI2;
1542 ha->device_type |= DT_IIDMA;
1543 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1545 case PCI_DEVICE_ID_QLOGIC_ISP2432:
1546 ha->device_type |= DT_ISP2432;
1547 ha->device_type |= DT_ZIO_SUPPORTED;
1548 ha->device_type |= DT_FWI2;
1549 ha->device_type |= DT_IIDMA;
1550 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1552 case PCI_DEVICE_ID_QLOGIC_ISP8432:
1553 ha->device_type |= DT_ISP8432;
1554 ha->device_type |= DT_ZIO_SUPPORTED;
1555 ha->device_type |= DT_FWI2;
1556 ha->device_type |= DT_IIDMA;
1557 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1559 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1560 ha->device_type |= DT_ISP5422;
1561 ha->device_type |= DT_FWI2;
1562 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1564 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1565 ha->device_type |= DT_ISP5432;
1566 ha->device_type |= DT_FWI2;
1567 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1569 case PCI_DEVICE_ID_QLOGIC_ISP2532:
1570 ha->device_type |= DT_ISP2532;
1571 ha->device_type |= DT_ZIO_SUPPORTED;
1572 ha->device_type |= DT_FWI2;
1573 ha->device_type |= DT_IIDMA;
1574 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1576 case PCI_DEVICE_ID_QLOGIC_ISP8001:
1577 ha->device_type |= DT_ISP8001;
1578 ha->device_type |= DT_ZIO_SUPPORTED;
1579 ha->device_type |= DT_FWI2;
1580 ha->device_type |= DT_IIDMA;
1581 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1585 /* Get adapter physical port no from interrupt pin register. */
1586 pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
1587 if (ha->port_no & 1)
1588 ha->flags.port0 = 1;
1590 ha->flags.port0 = 0;
1594 qla2x00_iospace_config(struct qla_hw_data *ha)
1596 resource_size_t pio;
1600 if (pci_request_selected_regions(ha->pdev, ha->bars,
1601 QLA2XXX_DRIVER_NAME)) {
1602 qla_printk(KERN_WARNING, ha,
1603 "Failed to reserve PIO/MMIO regions (%s)\n",
1604 pci_name(ha->pdev));
1606 goto iospace_error_exit;
1608 if (!(ha->bars & 1))
1611 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1612 pio = pci_resource_start(ha->pdev, 0);
1613 if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1614 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1615 qla_printk(KERN_WARNING, ha,
1616 "Invalid PCI I/O region size (%s)...\n",
1617 pci_name(ha->pdev));
1621 qla_printk(KERN_WARNING, ha,
1622 "region #0 not a PIO resource (%s)...\n",
1623 pci_name(ha->pdev));
1626 ha->pio_address = pio;
1629 /* Use MMIO operations for all accesses. */
1630 if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1631 qla_printk(KERN_ERR, ha,
1632 "region #1 not an MMIO resource (%s), aborting\n",
1633 pci_name(ha->pdev));
1634 goto iospace_error_exit;
1636 if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1637 qla_printk(KERN_ERR, ha,
1638 "Invalid PCI mem region size (%s), aborting\n",
1639 pci_name(ha->pdev));
1640 goto iospace_error_exit;
1643 ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1645 qla_printk(KERN_ERR, ha,
1646 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1648 goto iospace_error_exit;
1651 /* Determine queue resources */
1652 ha->max_req_queues = ha->max_rsp_queues = 1;
1653 if ((ql2xmaxqueues <= 1 || ql2xmultique_tag < 1) &&
1654 (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
1656 ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1657 pci_resource_len(ha->pdev, 3));
1659 /* Read MSIX vector size of the board */
1660 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1661 ha->msix_count = msix;
1662 /* Max queues are bounded by available msix vectors */
1663 /* queue 0 uses two msix vectors */
1664 if (ql2xmultique_tag) {
1665 cpus = num_online_cpus();
1666 ha->max_rsp_queues = (ha->msix_count - 1 - cpus) ?
1667 (cpus + 1) : (ha->msix_count - 1);
1668 ha->max_req_queues = 2;
1669 } else if (ql2xmaxqueues > 1) {
1670 ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ?
1671 QLA_MQ_SIZE : ql2xmaxqueues;
1672 DEBUG2(qla_printk(KERN_INFO, ha, "QoS mode set, max no"
1673 " of request queues:%d\n", ha->max_req_queues));
1675 qla_printk(KERN_INFO, ha,
1676 "MSI-X vector count: %d\n", msix);
1678 qla_printk(KERN_INFO, ha, "BAR 3 not enabled\n");
1681 ha->msix_count = ha->max_rsp_queues + 1;
1689 qla2xxx_scan_start(struct Scsi_Host *shost)
1691 scsi_qla_host_t *vha = shost_priv(shost);
1693 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1694 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1695 set_bit(RSCN_UPDATE, &vha->dpc_flags);
1696 set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
1700 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1702 scsi_qla_host_t *vha = shost_priv(shost);
1706 if (time > vha->hw->loop_reset_delay * HZ)
1709 return atomic_read(&vha->loop_state) == LOOP_READY;
1713 * PCI driver interface
1715 static int __devinit
1716 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1719 struct Scsi_Host *host;
1720 scsi_qla_host_t *base_vha = NULL;
1721 struct qla_hw_data *ha;
1724 struct scsi_host_template *sht;
1725 int bars, max_id, mem_only = 0;
1726 uint16_t req_length = 0, rsp_length = 0;
1727 struct req_que *req = NULL;
1728 struct rsp_que *rsp = NULL;
1730 bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
1731 sht = &qla2xxx_driver_template;
1732 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
1733 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
1734 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
1735 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
1736 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
1737 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
1738 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001) {
1739 bars = pci_select_bars(pdev, IORESOURCE_MEM);
1744 if (pci_enable_device_mem(pdev))
1747 if (pci_enable_device(pdev))
1751 /* This may fail but that's ok */
1752 pci_enable_pcie_error_reporting(pdev);
1754 ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
1756 DEBUG(printk("Unable to allocate memory for ha\n"));
1761 /* Clear our data area */
1763 ha->mem_only = mem_only;
1764 spin_lock_init(&ha->hardware_lock);
1766 /* Set ISP-type information. */
1767 qla2x00_set_isp_flags(ha);
1768 /* Configure PCI I/O space */
1769 ret = qla2x00_iospace_config(ha);
1771 goto probe_hw_failed;
1773 qla_printk(KERN_INFO, ha,
1774 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1777 ha->prev_topology = 0;
1778 ha->init_cb_size = sizeof(init_cb_t);
1779 ha->link_data_rate = PORT_SPEED_UNKNOWN;
1780 ha->optrom_size = OPTROM_SIZE_2300;
1782 /* Assign ISP specific operations. */
1783 max_id = MAX_TARGETS_2200;
1784 if (IS_QLA2100(ha)) {
1785 max_id = MAX_TARGETS_2100;
1786 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
1787 req_length = REQUEST_ENTRY_CNT_2100;
1788 rsp_length = RESPONSE_ENTRY_CNT_2100;
1789 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
1790 ha->gid_list_info_size = 4;
1791 ha->flash_conf_off = ~0;
1792 ha->flash_data_off = ~0;
1793 ha->nvram_conf_off = ~0;
1794 ha->nvram_data_off = ~0;
1795 ha->isp_ops = &qla2100_isp_ops;
1796 } else if (IS_QLA2200(ha)) {
1797 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1798 req_length = REQUEST_ENTRY_CNT_2200;
1799 rsp_length = RESPONSE_ENTRY_CNT_2100;
1800 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
1801 ha->gid_list_info_size = 4;
1802 ha->flash_conf_off = ~0;
1803 ha->flash_data_off = ~0;
1804 ha->nvram_conf_off = ~0;
1805 ha->nvram_data_off = ~0;
1806 ha->isp_ops = &qla2100_isp_ops;
1807 } else if (IS_QLA23XX(ha)) {
1808 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1809 req_length = REQUEST_ENTRY_CNT_2200;
1810 rsp_length = RESPONSE_ENTRY_CNT_2300;
1811 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1812 ha->gid_list_info_size = 6;
1813 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1814 ha->optrom_size = OPTROM_SIZE_2322;
1815 ha->flash_conf_off = ~0;
1816 ha->flash_data_off = ~0;
1817 ha->nvram_conf_off = ~0;
1818 ha->nvram_data_off = ~0;
1819 ha->isp_ops = &qla2300_isp_ops;
1820 } else if (IS_QLA24XX_TYPE(ha)) {
1821 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1822 req_length = REQUEST_ENTRY_CNT_24XX;
1823 rsp_length = RESPONSE_ENTRY_CNT_2300;
1824 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1825 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1826 ha->gid_list_info_size = 8;
1827 ha->optrom_size = OPTROM_SIZE_24XX;
1828 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
1829 ha->isp_ops = &qla24xx_isp_ops;
1830 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
1831 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
1832 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
1833 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
1834 } else if (IS_QLA25XX(ha)) {
1835 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1836 req_length = REQUEST_ENTRY_CNT_24XX;
1837 rsp_length = RESPONSE_ENTRY_CNT_2300;
1838 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1839 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1840 ha->gid_list_info_size = 8;
1841 ha->optrom_size = OPTROM_SIZE_25XX;
1842 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
1843 ha->isp_ops = &qla25xx_isp_ops;
1844 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
1845 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
1846 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
1847 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
1848 } else if (IS_QLA81XX(ha)) {
1849 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1850 req_length = REQUEST_ENTRY_CNT_24XX;
1851 rsp_length = RESPONSE_ENTRY_CNT_2300;
1852 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1853 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
1854 ha->gid_list_info_size = 8;
1855 ha->optrom_size = OPTROM_SIZE_81XX;
1856 ha->isp_ops = &qla81xx_isp_ops;
1857 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
1858 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
1859 ha->nvram_conf_off = ~0;
1860 ha->nvram_data_off = ~0;
1863 mutex_init(&ha->vport_lock);
1864 init_completion(&ha->mbx_cmd_comp);
1865 complete(&ha->mbx_cmd_comp);
1866 init_completion(&ha->mbx_intr_comp);
1868 set_bit(0, (unsigned long *) ha->vp_idx_map);
1870 qla2x00_config_dma_addressing(ha);
1871 ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
1873 qla_printk(KERN_WARNING, ha,
1874 "[ERROR] Failed to allocate memory for adapter\n");
1876 goto probe_hw_failed;
1879 req->max_q_depth = MAX_Q_DEPTH;
1880 if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
1881 req->max_q_depth = ql2xmaxqdepth;
1884 base_vha = qla2x00_create_host(sht, ha);
1886 qla_printk(KERN_WARNING, ha,
1887 "[ERROR] Failed to allocate memory for scsi_host\n");
1890 qla2x00_mem_free(ha);
1891 qla2x00_free_req_que(ha, req);
1892 qla2x00_free_rsp_que(ha, rsp);
1893 goto probe_hw_failed;
1896 pci_set_drvdata(pdev, base_vha);
1898 host = base_vha->host;
1899 base_vha->req = req;
1900 host->can_queue = req->length + 128;
1901 if (IS_QLA2XXX_MIDTYPE(ha))
1902 base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
1904 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
1907 host->sg_tablesize = 32;
1908 host->max_id = max_id;
1909 host->this_id = 255;
1910 host->cmd_per_lun = 3;
1911 host->unique_id = host->host_no;
1912 host->max_cmd_len = MAX_CMDSZ;
1913 host->max_channel = MAX_BUSES - 1;
1914 host->max_lun = MAX_LUNS;
1915 host->transportt = qla2xxx_transport_template;
1917 /* Set up the irqs */
1918 ret = qla2x00_request_irqs(ha, rsp);
1920 goto probe_init_failed;
1921 /* Alloc arrays of request and response ring ptrs */
1922 if (!qla2x00_alloc_queues(ha)) {
1923 qla_printk(KERN_WARNING, ha,
1924 "[ERROR] Failed to allocate memory for queue"
1926 goto probe_init_failed;
1928 ha->rsp_q_map[0] = rsp;
1929 ha->req_q_map[0] = req;
1932 set_bit(0, ha->req_qid_map);
1933 set_bit(0, ha->rsp_qid_map);
1934 /* FWI2-capable only. */
1935 req->req_q_in = &ha->iobase->isp24.req_q_in;
1936 req->req_q_out = &ha->iobase->isp24.req_q_out;
1937 rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
1938 rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
1940 req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
1941 req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
1942 rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
1943 rsp->rsp_q_out = &ha->mqiobase->isp25mq.rsp_q_out;
1946 if (qla2x00_initialize_adapter(base_vha)) {
1947 qla_printk(KERN_WARNING, ha,
1948 "Failed to initialize adapter\n");
1950 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1951 "Adapter flags %x.\n",
1952 base_vha->host_no, base_vha->device_flags));
1959 if (qla25xx_setup_mode(base_vha))
1960 qla_printk(KERN_WARNING, ha,
1961 "Can't create queues, falling back to single"
1965 * Startup the kernel thread for this host adapter
1967 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
1968 "%s_dpc", base_vha->host_str);
1969 if (IS_ERR(ha->dpc_thread)) {
1970 qla_printk(KERN_WARNING, ha,
1971 "Unable to start DPC thread!\n");
1972 ret = PTR_ERR(ha->dpc_thread);
1976 list_add_tail(&base_vha->list, &ha->vp_list);
1977 base_vha->host->irq = ha->pdev->irq;
1979 /* Initialized the timer */
1980 qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
1982 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
1983 base_vha->host_no, ha));
1985 base_vha->flags.init_done = 1;
1986 base_vha->flags.online = 1;
1988 ret = scsi_add_host(host, &pdev->dev);
1992 ha->isp_ops->enable_intrs(ha);
1994 scsi_scan_host(host);
1996 qla2x00_alloc_sysfs_attr(base_vha);
1998 qla2x00_init_host_attr(base_vha);
2000 qla2x00_dfs_setup(base_vha);
2002 qla_printk(KERN_INFO, ha, "\n"
2003 " QLogic Fibre Channel HBA Driver: %s\n"
2005 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
2006 qla2x00_version_str, ha->model_number,
2007 ha->model_desc ? ha->model_desc : "", pdev->device,
2008 ha->isp_ops->pci_info_str(base_vha, pci_info), pci_name(pdev),
2009 ha->flags.enable_64bit_addressing ? '+' : '-', base_vha->host_no,
2010 ha->isp_ops->fw_version_str(base_vha, fw_str));
2015 qla2x00_free_req_que(ha, req);
2016 qla2x00_free_rsp_que(ha, rsp);
2017 ha->max_req_queues = ha->max_rsp_queues = 0;
2020 if (base_vha->timer_active)
2021 qla2x00_stop_timer(base_vha);
2022 base_vha->flags.online = 0;
2023 if (ha->dpc_thread) {
2024 struct task_struct *t = ha->dpc_thread;
2026 ha->dpc_thread = NULL;
2030 qla2x00_free_device(base_vha);
2032 scsi_host_put(base_vha->host);
2036 iounmap(ha->iobase);
2038 pci_release_selected_regions(ha->pdev, ha->bars);
2043 pci_disable_device(pdev);
2048 qla2x00_remove_one(struct pci_dev *pdev)
2050 scsi_qla_host_t *base_vha, *vha, *temp;
2051 struct qla_hw_data *ha;
2053 base_vha = pci_get_drvdata(pdev);
2056 list_for_each_entry_safe(vha, temp, &ha->vp_list, list) {
2057 if (vha && vha->fc_vport)
2058 fc_vport_terminate(vha->fc_vport);
2061 set_bit(UNLOADING, &base_vha->dpc_flags);
2063 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
2065 qla2x00_dfs_remove(base_vha);
2067 qla84xx_put_chip(base_vha);
2070 if (base_vha->timer_active)
2071 qla2x00_stop_timer(base_vha);
2073 base_vha->flags.online = 0;
2075 /* Flush the work queue and remove it */
2077 flush_workqueue(ha->wq);
2078 destroy_workqueue(ha->wq);
2082 /* Kill the kernel thread for this host */
2083 if (ha->dpc_thread) {
2084 struct task_struct *t = ha->dpc_thread;
2087 * qla2xxx_wake_dpc checks for ->dpc_thread
2088 * so we need to zero it out.
2090 ha->dpc_thread = NULL;
2094 qla2x00_free_sysfs_attr(base_vha);
2096 fc_remove_host(base_vha->host);
2098 scsi_remove_host(base_vha->host);
2100 qla2x00_free_device(base_vha);
2102 scsi_host_put(base_vha->host);
2105 iounmap(ha->iobase);
2108 iounmap(ha->mqiobase);
2110 pci_release_selected_regions(ha->pdev, ha->bars);
2114 pci_disable_device(pdev);
2115 pci_set_drvdata(pdev, NULL);
2119 qla2x00_free_device(scsi_qla_host_t *vha)
2121 struct qla_hw_data *ha = vha->hw;
2123 qla25xx_delete_queues(vha);
2125 if (ha->flags.fce_enabled)
2126 qla2x00_disable_fce_trace(vha, NULL, NULL);
2129 qla2x00_disable_eft_trace(vha);
2131 /* Stop currently executing firmware. */
2132 qla2x00_try_to_stop_firmware(vha);
2134 /* turn-off interrupts on the card */
2135 if (ha->interrupts_on)
2136 ha->isp_ops->disable_intrs(ha);
2138 qla2x00_free_irqs(vha);
2140 qla2x00_mem_free(ha);
2142 qla2x00_free_queues(ha);
2146 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
2149 struct fc_rport *rport;
2154 rport = fcport->rport;
2156 spin_lock_irq(vha->host->host_lock);
2157 fcport->drport = rport;
2158 spin_unlock_irq(vha->host->host_lock);
2159 set_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags);
2160 qla2xxx_wake_dpc(vha);
2162 fc_remote_port_delete(rport);
2166 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
2168 * Input: ha = adapter block pointer. fcport = port structure pointer.
2174 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
2175 int do_login, int defer)
2177 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2178 vha->vp_idx == fcport->vp_idx) {
2179 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2180 qla2x00_schedule_rport_del(vha, fcport, defer);
2183 * We may need to retry the login, so don't change the state of the
2184 * port but do the retries.
2186 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
2187 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2192 if (fcport->login_retry == 0) {
2193 fcport->login_retry = vha->hw->login_retry_count;
2194 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2196 DEBUG(printk("scsi(%ld): Port login retry: "
2197 "%02x%02x%02x%02x%02x%02x%02x%02x, "
2198 "id = 0x%04x retry cnt=%d\n",
2200 fcport->port_name[0],
2201 fcport->port_name[1],
2202 fcport->port_name[2],
2203 fcport->port_name[3],
2204 fcport->port_name[4],
2205 fcport->port_name[5],
2206 fcport->port_name[6],
2207 fcport->port_name[7],
2209 fcport->login_retry));
2214 * qla2x00_mark_all_devices_lost
2215 * Updates fcport state when device goes offline.
2218 * ha = adapter block pointer.
2219 * fcport = port structure pointer.
2227 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
2231 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2232 if (vha->vp_idx != fcport->vp_idx)
2235 * No point in marking the device as lost, if the device is
2238 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
2240 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2241 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2242 qla2x00_schedule_rport_del(vha, fcport, defer);
2244 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2250 * Allocates adapter memory.
2257 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
2258 struct req_que **req, struct rsp_que **rsp)
2262 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
2263 &ha->init_cb_dma, GFP_KERNEL);
2267 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2268 &ha->gid_list_dma, GFP_KERNEL);
2270 goto fail_free_init_cb;
2272 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2273 if (!ha->srb_mempool)
2274 goto fail_free_gid_list;
2276 /* Get memory for cached NVRAM */
2277 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2279 goto fail_free_srb_mempool;
2281 snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
2283 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2284 DMA_POOL_SIZE, 8, 0);
2285 if (!ha->s_dma_pool)
2286 goto fail_free_nvram;
2288 /* Allocate memory for SNS commands */
2289 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2290 /* Get consistent memory allocated for SNS commands */
2291 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
2292 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
2296 /* Get consistent memory allocated for MS IOCB */
2297 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2301 /* Get consistent memory allocated for CT SNS commands */
2302 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
2303 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
2305 goto fail_free_ms_iocb;
2308 /* Allocate memory for request ring */
2309 *req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
2311 DEBUG(printk("Unable to allocate memory for req\n"));
2314 (*req)->length = req_len;
2315 (*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
2316 ((*req)->length + 1) * sizeof(request_t),
2317 &(*req)->dma, GFP_KERNEL);
2318 if (!(*req)->ring) {
2319 DEBUG(printk("Unable to allocate memory for req_ring\n"));
2322 /* Allocate memory for response ring */
2323 *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
2325 qla_printk(KERN_WARNING, ha,
2326 "Unable to allocate memory for rsp\n");
2330 (*rsp)->length = rsp_len;
2331 (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
2332 ((*rsp)->length + 1) * sizeof(response_t),
2333 &(*rsp)->dma, GFP_KERNEL);
2334 if (!(*rsp)->ring) {
2335 qla_printk(KERN_WARNING, ha,
2336 "Unable to allocate memory for rsp_ring\n");
2341 /* Allocate memory for NVRAM data for vports */
2342 if (ha->nvram_npiv_size) {
2343 ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
2344 ha->nvram_npiv_size, GFP_KERNEL);
2345 if (!ha->npiv_info) {
2346 qla_printk(KERN_WARNING, ha,
2347 "Unable to allocate memory for npiv info\n");
2348 goto fail_npiv_info;
2351 ha->npiv_info = NULL;
2353 /* Get consistent memory allocated for EX-INIT-CB. */
2354 if (IS_QLA81XX(ha)) {
2355 ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2356 &ha->ex_init_cb_dma);
2357 if (!ha->ex_init_cb)
2358 goto fail_ex_init_cb;
2361 INIT_LIST_HEAD(&ha->vp_list);
2365 kfree(ha->npiv_info);
2367 dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
2368 sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
2369 (*rsp)->ring = NULL;
2374 dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
2375 sizeof(request_t), (*req)->ring, (*req)->dma);
2376 (*req)->ring = NULL;
2381 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2382 ha->ct_sns, ha->ct_sns_dma);
2386 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2388 ha->ms_iocb_dma = 0;
2390 dma_pool_destroy(ha->s_dma_pool);
2391 ha->s_dma_pool = NULL;
2395 fail_free_srb_mempool:
2396 mempool_destroy(ha->srb_mempool);
2397 ha->srb_mempool = NULL;
2399 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2401 ha->gid_list = NULL;
2402 ha->gid_list_dma = 0;
2404 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
2407 ha->init_cb_dma = 0;
2409 DEBUG(printk("%s: Memory allocation failure\n", __func__));
2415 * Frees all adapter allocated memory.
2418 * ha = adapter block pointer.
2421 qla2x00_mem_free(struct qla_hw_data *ha)
2423 if (ha->srb_mempool)
2424 mempool_destroy(ha->srb_mempool);
2427 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
2432 dma_free_coherent(&ha->pdev->dev,
2433 ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
2438 dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
2439 ha->dcbx_tlv, ha->dcbx_tlv_dma);
2442 dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
2443 ha->xgmac_data, ha->xgmac_data_dma);
2446 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2447 ha->sns_cmd, ha->sns_cmd_dma);
2450 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2451 ha->ct_sns, ha->ct_sns_dma);
2454 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2457 dma_pool_free(ha->s_dma_pool, ha->edc_data, ha->edc_data_dma);
2460 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2463 dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
2466 dma_pool_destroy(ha->s_dma_pool);
2469 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2473 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2474 ha->init_cb, ha->init_cb_dma);
2475 vfree(ha->optrom_buffer);
2477 kfree(ha->npiv_info);
2479 ha->srb_mempool = NULL;
2483 ha->sns_cmd_dma = 0;
2487 ha->ms_iocb_dma = 0;
2489 ha->init_cb_dma = 0;
2490 ha->ex_init_cb = NULL;
2491 ha->ex_init_cb_dma = 0;
2493 ha->s_dma_pool = NULL;
2495 ha->gid_list = NULL;
2496 ha->gid_list_dma = 0;
2500 ha->fw_dump_reading = 0;
2503 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
2504 struct qla_hw_data *ha)
2506 struct Scsi_Host *host;
2507 struct scsi_qla_host *vha = NULL;
2509 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
2512 "qla2xxx: Couldn't allocate host from scsi layer!\n");
2516 /* Clear our data area */
2517 vha = shost_priv(host);
2518 memset(vha, 0, sizeof(scsi_qla_host_t));
2521 vha->host_no = host->host_no;
2524 INIT_LIST_HEAD(&vha->vp_fcports);
2525 INIT_LIST_HEAD(&vha->work_list);
2526 INIT_LIST_HEAD(&vha->list);
2528 sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
2535 static struct qla_work_evt *
2536 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type,
2539 struct qla_work_evt *e;
2541 e = kzalloc(sizeof(struct qla_work_evt), locked ? GFP_ATOMIC:
2546 INIT_LIST_HEAD(&e->list);
2548 e->flags = QLA_EVT_FLAG_FREE;
2553 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e, int locked)
2555 unsigned long uninitialized_var(flags);
2556 struct qla_hw_data *ha = vha->hw;
2559 spin_lock_irqsave(&ha->hardware_lock, flags);
2560 list_add_tail(&e->list, &vha->work_list);
2561 qla2xxx_wake_dpc(vha);
2563 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2568 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
2571 struct qla_work_evt *e;
2573 e = qla2x00_alloc_work(vha, QLA_EVT_AEN, 1);
2575 return QLA_FUNCTION_FAILED;
2577 e->u.aen.code = code;
2578 e->u.aen.data = data;
2579 return qla2x00_post_work(vha, e, 1);
2583 qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
2585 struct qla_work_evt *e;
2587 e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK, 1);
2589 return QLA_FUNCTION_FAILED;
2591 memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
2592 return qla2x00_post_work(vha, e, 1);
2596 qla2x00_do_work(struct scsi_qla_host *vha)
2598 struct qla_work_evt *e;
2599 struct qla_hw_data *ha = vha->hw;
2601 spin_lock_irq(&ha->hardware_lock);
2602 while (!list_empty(&vha->work_list)) {
2603 e = list_entry(vha->work_list.next, struct qla_work_evt, list);
2604 list_del_init(&e->list);
2605 spin_unlock_irq(&ha->hardware_lock);
2609 fc_host_post_event(vha->host, fc_get_event_number(),
2610 e->u.aen.code, e->u.aen.data);
2612 case QLA_EVT_IDC_ACK:
2613 qla81xx_idc_ack(vha, e->u.idc_ack.mb);
2616 if (e->flags & QLA_EVT_FLAG_FREE)
2618 spin_lock_irq(&ha->hardware_lock);
2620 spin_unlock_irq(&ha->hardware_lock);
2622 /* Relogins all the fcports of a vport
2623 * Context: dpc thread
2625 void qla2x00_relogin(struct scsi_qla_host *vha)
2629 uint16_t next_loopid = 0;
2630 struct qla_hw_data *ha = vha->hw;
2632 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2634 * If the port is not ONLINE then try to login
2635 * to it if we haven't run out of retries.
2637 if (atomic_read(&fcport->state) !=
2638 FCS_ONLINE && fcport->login_retry) {
2640 if (fcport->flags & FCF_FABRIC_DEVICE) {
2641 if (fcport->flags & FCF_TAPE_PRESENT)
2642 ha->isp_ops->fabric_logout(vha,
2644 fcport->d_id.b.domain,
2645 fcport->d_id.b.area,
2646 fcport->d_id.b.al_pa);
2648 status = qla2x00_fabric_login(vha, fcport,
2651 status = qla2x00_local_device_login(vha,
2654 fcport->login_retry--;
2655 if (status == QLA_SUCCESS) {
2656 fcport->old_loop_id = fcport->loop_id;
2658 DEBUG(printk("scsi(%ld): port login OK: logged "
2659 "in ID 0x%x\n", vha->host_no, fcport->loop_id));
2661 qla2x00_update_fcport(vha, fcport);
2663 } else if (status == 1) {
2664 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2665 /* retry the login again */
2666 DEBUG(printk("scsi(%ld): Retrying"
2667 " %d login again loop_id 0x%x\n",
2668 vha->host_no, fcport->login_retry,
2671 fcport->login_retry = 0;
2674 if (fcport->login_retry == 0 && status != QLA_SUCCESS)
2675 fcport->loop_id = FC_NO_LOOP_ID;
2677 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2682 /**************************************************************************
2684 * This kernel thread is a task that is schedule by the interrupt handler
2685 * to perform the background processing for interrupts.
2688 * This task always run in the context of a kernel thread. It
2689 * is kick-off by the driver's detect code and starts up
2690 * up one per adapter. It immediately goes to sleep and waits for
2691 * some fibre event. When either the interrupt handler or
2692 * the timer routine detects a event it will one of the task
2693 * bits then wake us up.
2694 **************************************************************************/
2696 qla2x00_do_dpc(void *data)
2699 scsi_qla_host_t *base_vha;
2700 struct qla_hw_data *ha;
2702 ha = (struct qla_hw_data *)data;
2703 base_vha = pci_get_drvdata(ha->pdev);
2705 set_user_nice(current, -20);
2707 while (!kthread_should_stop()) {
2708 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2710 set_current_state(TASK_INTERRUPTIBLE);
2712 __set_current_state(TASK_RUNNING);
2714 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2716 /* Initialization not yet finished. Don't do anything yet. */
2717 if (!base_vha->flags.init_done)
2720 DEBUG3(printk("scsi(%ld): DPC handler\n", base_vha->host_no));
2724 if (ha->flags.mbox_busy) {
2729 qla2x00_do_work(base_vha);
2731 if (test_and_clear_bit(ISP_ABORT_NEEDED,
2732 &base_vha->dpc_flags)) {
2734 DEBUG(printk("scsi(%ld): dpc: sched "
2735 "qla2x00_abort_isp ha = %p\n",
2736 base_vha->host_no, ha));
2737 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
2738 &base_vha->dpc_flags))) {
2740 if (qla2x00_abort_isp(base_vha)) {
2741 /* failed. retry later */
2742 set_bit(ISP_ABORT_NEEDED,
2743 &base_vha->dpc_flags);
2745 clear_bit(ABORT_ISP_ACTIVE,
2746 &base_vha->dpc_flags);
2749 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
2750 base_vha->host_no));
2753 if (test_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags)) {
2754 qla2x00_update_fcports(base_vha);
2755 clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
2758 if (test_and_clear_bit(RESET_MARKER_NEEDED,
2759 &base_vha->dpc_flags) &&
2760 (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
2762 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
2763 base_vha->host_no));
2765 qla2x00_rst_aen(base_vha);
2766 clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
2769 /* Retry each device up to login retry count */
2770 if ((test_and_clear_bit(RELOGIN_NEEDED,
2771 &base_vha->dpc_flags)) &&
2772 !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
2773 atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
2775 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
2776 base_vha->host_no));
2777 qla2x00_relogin(base_vha);
2779 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
2780 base_vha->host_no));
2783 if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
2784 &base_vha->dpc_flags)) {
2786 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
2787 base_vha->host_no));
2789 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
2790 &base_vha->dpc_flags))) {
2792 rval = qla2x00_loop_resync(base_vha);
2794 clear_bit(LOOP_RESYNC_ACTIVE,
2795 &base_vha->dpc_flags);
2798 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
2799 base_vha->host_no));
2802 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
2803 atomic_read(&base_vha->loop_state) == LOOP_READY) {
2804 clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
2805 qla2xxx_flash_npiv_conf(base_vha);
2808 if (!ha->interrupts_on)
2809 ha->isp_ops->enable_intrs(ha);
2811 if (test_and_clear_bit(BEACON_BLINK_NEEDED,
2812 &base_vha->dpc_flags))
2813 ha->isp_ops->beacon_blink(base_vha);
2815 qla2x00_do_dpc_all_vps(base_vha);
2818 } /* End of while(1) */
2820 DEBUG(printk("scsi(%ld): DPC handler exiting\n", base_vha->host_no));
2823 * Make sure that nobody tries to wake us up again.
2831 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
2833 struct qla_hw_data *ha = vha->hw;
2834 struct task_struct *t = ha->dpc_thread;
2836 if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
2842 * Processes asynchronous reset.
2845 * ha = adapter block pointer.
2848 qla2x00_rst_aen(scsi_qla_host_t *vha)
2850 if (vha->flags.online && !vha->flags.reset_active &&
2851 !atomic_read(&vha->loop_down_timer) &&
2852 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
2854 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
2857 * Issue marker command only when we are going to start
2860 vha->marker_needed = 1;
2861 } while (!atomic_read(&vha->loop_down_timer) &&
2862 (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
2867 qla2x00_sp_free_dma(srb_t *sp)
2869 struct scsi_cmnd *cmd = sp->cmd;
2871 if (sp->flags & SRB_DMA_VALID) {
2872 scsi_dma_unmap(cmd);
2873 sp->flags &= ~SRB_DMA_VALID;
2879 qla2x00_sp_compl(struct qla_hw_data *ha, srb_t *sp)
2881 struct scsi_cmnd *cmd = sp->cmd;
2883 qla2x00_sp_free_dma(sp);
2885 mempool_free(sp, ha->srb_mempool);
2887 cmd->scsi_done(cmd);
2890 /**************************************************************************
2896 * Context: Interrupt
2897 ***************************************************************************/
2899 qla2x00_timer(scsi_qla_host_t *vha)
2901 unsigned long cpu_flags = 0;
2907 struct qla_hw_data *ha = vha->hw;
2908 struct req_que *req;
2910 * Ports - Port down timer.
2912 * Whenever, a port is in the LOST state we start decrementing its port
2913 * down timer every second until it reaches zero. Once it reaches zero
2914 * the port it marked DEAD.
2917 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2918 if (fcport->port_type != FCT_TARGET)
2921 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2923 if (atomic_read(&fcport->port_down_timer) == 0)
2926 if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
2927 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
2929 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
2932 t, atomic_read(&fcport->port_down_timer)));
2935 } /* End of for fcport */
2938 /* Loop down handler. */
2939 if (atomic_read(&vha->loop_down_timer) > 0 &&
2940 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
2941 && vha->flags.online) {
2943 if (atomic_read(&vha->loop_down_timer) ==
2944 vha->loop_down_abort_time) {
2946 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2947 "queues before time expire\n",
2950 if (!IS_QLA2100(ha) && vha->link_down_timeout)
2951 atomic_set(&vha->loop_state, LOOP_DEAD);
2953 /* Schedule an ISP abort to return any tape commands. */
2954 /* NPIV - scan physical port only */
2956 spin_lock_irqsave(&ha->hardware_lock,
2958 req = ha->req_q_map[0];
2960 index < MAX_OUTSTANDING_COMMANDS;
2964 sp = req->outstanding_cmds[index];
2968 if (!(sfcp->flags & FCF_TAPE_PRESENT))
2971 set_bit(ISP_ABORT_NEEDED,
2975 spin_unlock_irqrestore(&ha->hardware_lock,
2981 /* if the loop has been down for 4 minutes, reinit adapter */
2982 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
2983 if (!(vha->device_flags & DFLG_NO_CABLE) &&
2985 DEBUG(printk("scsi(%ld): Loop down - "
2988 qla_printk(KERN_WARNING, ha,
2989 "Loop down - aborting ISP.\n");
2991 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2994 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
2996 atomic_read(&vha->loop_down_timer)));
2999 /* Check if beacon LED needs to be blinked */
3000 if (ha->beacon_blink_led == 1) {
3001 set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
3005 /* Process any deferred work. */
3006 if (!list_empty(&vha->work_list))
3009 /* Schedule the DPC routine if needed */
3010 if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
3011 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
3012 test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
3014 test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
3015 test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
3016 test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
3017 test_bit(RELOGIN_NEEDED, &vha->dpc_flags)))
3018 qla2xxx_wake_dpc(vha);
3020 qla2x00_restart_timer(vha, WATCH_INTERVAL);
3023 /* Firmware interface routines. */
3026 #define FW_ISP21XX 0
3027 #define FW_ISP22XX 1
3028 #define FW_ISP2300 2
3029 #define FW_ISP2322 3
3030 #define FW_ISP24XX 4
3031 #define FW_ISP25XX 5
3032 #define FW_ISP81XX 6
3034 #define FW_FILE_ISP21XX "ql2100_fw.bin"
3035 #define FW_FILE_ISP22XX "ql2200_fw.bin"
3036 #define FW_FILE_ISP2300 "ql2300_fw.bin"
3037 #define FW_FILE_ISP2322 "ql2322_fw.bin"
3038 #define FW_FILE_ISP24XX "ql2400_fw.bin"
3039 #define FW_FILE_ISP25XX "ql2500_fw.bin"
3040 #define FW_FILE_ISP81XX "ql8100_fw.bin"
3042 static DEFINE_MUTEX(qla_fw_lock);
3044 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
3045 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
3046 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
3047 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
3048 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
3049 { .name = FW_FILE_ISP24XX, },
3050 { .name = FW_FILE_ISP25XX, },
3051 { .name = FW_FILE_ISP81XX, },
3055 qla2x00_request_firmware(scsi_qla_host_t *vha)
3057 struct qla_hw_data *ha = vha->hw;
3058 struct fw_blob *blob;
3061 if (IS_QLA2100(ha)) {
3062 blob = &qla_fw_blobs[FW_ISP21XX];
3063 } else if (IS_QLA2200(ha)) {
3064 blob = &qla_fw_blobs[FW_ISP22XX];
3065 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
3066 blob = &qla_fw_blobs[FW_ISP2300];
3067 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
3068 blob = &qla_fw_blobs[FW_ISP2322];
3069 } else if (IS_QLA24XX_TYPE(ha)) {
3070 blob = &qla_fw_blobs[FW_ISP24XX];
3071 } else if (IS_QLA25XX(ha)) {
3072 blob = &qla_fw_blobs[FW_ISP25XX];
3073 } else if (IS_QLA81XX(ha)) {
3074 blob = &qla_fw_blobs[FW_ISP81XX];
3077 mutex_lock(&qla_fw_lock);
3081 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
3082 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
3083 "(%s).\n", vha->host_no, blob->name));
3090 mutex_unlock(&qla_fw_lock);
3095 qla2x00_release_firmware(void)
3099 mutex_lock(&qla_fw_lock);
3100 for (idx = 0; idx < FW_BLOBS; idx++)
3101 if (qla_fw_blobs[idx].fw)
3102 release_firmware(qla_fw_blobs[idx].fw);
3103 mutex_unlock(&qla_fw_lock);
3106 static pci_ers_result_t
3107 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
3109 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3112 case pci_channel_io_normal:
3113 return PCI_ERS_RESULT_CAN_RECOVER;
3114 case pci_channel_io_frozen:
3115 pci_disable_device(pdev);
3116 return PCI_ERS_RESULT_NEED_RESET;
3117 case pci_channel_io_perm_failure:
3118 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
3119 return PCI_ERS_RESULT_DISCONNECT;
3121 return PCI_ERS_RESULT_NEED_RESET;
3124 static pci_ers_result_t
3125 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
3127 int risc_paused = 0;
3129 unsigned long flags;
3130 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3131 struct qla_hw_data *ha = base_vha->hw;
3132 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3133 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
3135 spin_lock_irqsave(&ha->hardware_lock, flags);
3136 if (IS_QLA2100(ha) || IS_QLA2200(ha)){
3137 stat = RD_REG_DWORD(®->hccr);
3138 if (stat & HCCR_RISC_PAUSE)
3140 } else if (IS_QLA23XX(ha)) {
3141 stat = RD_REG_DWORD(®->u.isp2300.host_status);
3142 if (stat & HSR_RISC_PAUSED)
3144 } else if (IS_FWI2_CAPABLE(ha)) {
3145 stat = RD_REG_DWORD(®24->host_status);
3146 if (stat & HSRX_RISC_PAUSED)
3149 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3152 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
3153 "Dumping firmware!\n");
3154 ha->isp_ops->fw_dump(base_vha, 0);
3156 return PCI_ERS_RESULT_NEED_RESET;
3158 return PCI_ERS_RESULT_RECOVERED;
3161 static pci_ers_result_t
3162 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
3164 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
3165 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3166 struct qla_hw_data *ha = base_vha->hw;
3170 rc = pci_enable_device_mem(pdev);
3172 rc = pci_enable_device(pdev);
3175 qla_printk(KERN_WARNING, ha,
3176 "Can't re-enable PCI device after reset.\n");
3180 pci_set_master(pdev);
3182 if (ha->isp_ops->pci_config(base_vha))
3185 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3186 if (qla2x00_abort_isp(base_vha) == QLA_SUCCESS)
3187 ret = PCI_ERS_RESULT_RECOVERED;
3188 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3194 qla2xxx_pci_resume(struct pci_dev *pdev)
3196 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3197 struct qla_hw_data *ha = base_vha->hw;
3200 ret = qla2x00_wait_for_hba_online(base_vha);
3201 if (ret != QLA_SUCCESS) {
3202 qla_printk(KERN_ERR, ha,
3203 "the device failed to resume I/O "
3204 "from slot/link_reset");
3206 pci_cleanup_aer_uncorrect_error_status(pdev);
3209 static struct pci_error_handlers qla2xxx_err_handler = {
3210 .error_detected = qla2xxx_pci_error_detected,
3211 .mmio_enabled = qla2xxx_pci_mmio_enabled,
3212 .slot_reset = qla2xxx_pci_slot_reset,
3213 .resume = qla2xxx_pci_resume,
3216 static struct pci_device_id qla2xxx_pci_tbl[] = {
3217 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
3218 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
3219 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
3220 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
3221 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
3222 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
3223 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
3224 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
3225 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
3226 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
3227 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
3228 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
3229 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
3230 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
3233 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
3235 static struct pci_driver qla2xxx_pci_driver = {
3236 .name = QLA2XXX_DRIVER_NAME,
3238 .owner = THIS_MODULE,
3240 .id_table = qla2xxx_pci_tbl,
3241 .probe = qla2x00_probe_one,
3242 .remove = qla2x00_remove_one,
3243 .err_handler = &qla2xxx_err_handler,
3247 * qla2x00_module_init - Module initialization.
3250 qla2x00_module_init(void)
3254 /* Allocate cache for SRBs. */
3255 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
3256 SLAB_HWCACHE_ALIGN, NULL);
3257 if (srb_cachep == NULL) {
3259 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
3263 /* Derive version string. */
3264 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
3265 if (ql2xextended_error_logging)
3266 strcat(qla2x00_version_str, "-debug");
3268 qla2xxx_transport_template =
3269 fc_attach_transport(&qla2xxx_transport_functions);
3270 if (!qla2xxx_transport_template) {
3271 kmem_cache_destroy(srb_cachep);
3274 qla2xxx_transport_vport_template =
3275 fc_attach_transport(&qla2xxx_transport_vport_functions);
3276 if (!qla2xxx_transport_vport_template) {
3277 kmem_cache_destroy(srb_cachep);
3278 fc_release_transport(qla2xxx_transport_template);
3282 printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n",
3283 qla2x00_version_str);
3284 ret = pci_register_driver(&qla2xxx_pci_driver);
3286 kmem_cache_destroy(srb_cachep);
3287 fc_release_transport(qla2xxx_transport_template);
3288 fc_release_transport(qla2xxx_transport_vport_template);
3294 * qla2x00_module_exit - Module cleanup.
3297 qla2x00_module_exit(void)
3299 pci_unregister_driver(&qla2xxx_pci_driver);
3300 qla2x00_release_firmware();
3301 kmem_cache_destroy(srb_cachep);
3302 fc_release_transport(qla2xxx_transport_template);
3303 fc_release_transport(qla2xxx_transport_vport_template);
3306 module_init(qla2x00_module_init);
3307 module_exit(qla2x00_module_exit);
3309 MODULE_AUTHOR("QLogic Corporation");
3310 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
3311 MODULE_LICENSE("GPL");
3312 MODULE_VERSION(QLA2XXX_VERSION);
3313 MODULE_FIRMWARE(FW_FILE_ISP21XX);
3314 MODULE_FIRMWARE(FW_FILE_ISP22XX);
3315 MODULE_FIRMWARE(FW_FILE_ISP2300);
3316 MODULE_FIRMWARE(FW_FILE_ISP2322);
3317 MODULE_FIRMWARE(FW_FILE_ISP24XX);
3318 MODULE_FIRMWARE(FW_FILE_ISP25XX);
3319 MODULE_FIRMWARE(FW_FILE_ISP81XX);