2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2010 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>
14 #include <linux/kobject.h>
15 #include <linux/slab.h>
17 #include <scsi/scsi_tcq.h>
18 #include <scsi/scsicam.h>
19 #include <scsi/scsi_transport.h>
20 #include <scsi/scsi_transport_fc.h>
25 char qla2x00_version_str[40];
27 static int apidev_major;
30 * SRB allocation cache
32 static struct kmem_cache *srb_cachep;
35 * CT6 CTX allocation cache
37 static struct kmem_cache *ctx_cachep;
39 int ql2xlogintimeout = 20;
40 module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR);
41 MODULE_PARM_DESC(ql2xlogintimeout,
42 "Login timeout value in seconds.");
44 int qlport_down_retry;
45 module_param(qlport_down_retry, int, S_IRUGO|S_IRUSR);
46 MODULE_PARM_DESC(qlport_down_retry,
47 "Maximum number of command retries to a port that returns "
48 "a PORT-DOWN status.");
50 int ql2xplogiabsentdevice;
51 module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
52 MODULE_PARM_DESC(ql2xplogiabsentdevice,
53 "Option to enable PLOGI to devices that are not present after "
54 "a Fabric scan. This is needed for several broken switches. "
55 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
57 int ql2xloginretrycount = 0;
58 module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR);
59 MODULE_PARM_DESC(ql2xloginretrycount,
60 "Specify an alternate value for the NVRAM login retry count.");
62 int ql2xallocfwdump = 1;
63 module_param(ql2xallocfwdump, int, S_IRUGO|S_IRUSR);
64 MODULE_PARM_DESC(ql2xallocfwdump,
65 "Option to enable allocation of memory for a firmware dump "
66 "during HBA initialization. Memory allocation requirements "
67 "vary by ISP type. Default is 1 - allocate memory.");
69 int ql2xextended_error_logging;
70 module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
71 MODULE_PARM_DESC(ql2xextended_error_logging,
72 "Option to enable extended error logging, "
73 "Default is 0 - no logging. 1 - log errors.");
75 int ql2xshiftctondsd = 6;
76 module_param(ql2xshiftctondsd, int, S_IRUGO|S_IRUSR);
77 MODULE_PARM_DESC(ql2xshiftctondsd,
78 "Set to control shifting of command type processing "
79 "based on total number of SG elements.");
81 static void qla2x00_free_device(scsi_qla_host_t *);
84 module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR);
85 MODULE_PARM_DESC(ql2xfdmienable,
86 "Enables FDMI registrations. "
87 "0 - no FDMI. Default is 1 - perform FDMI.");
89 #define MAX_Q_DEPTH 32
90 static int ql2xmaxqdepth = MAX_Q_DEPTH;
91 module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
92 MODULE_PARM_DESC(ql2xmaxqdepth,
93 "Maximum queue depth to report for target devices.");
95 /* Do not change the value of this after module load */
96 int ql2xenabledif = 1;
97 module_param(ql2xenabledif, int, S_IRUGO|S_IWUSR);
98 MODULE_PARM_DESC(ql2xenabledif,
99 " Enable T10-CRC-DIF "
100 " Default is 0 - No DIF Support. 1 - Enable it");
102 int ql2xenablehba_err_chk;
103 module_param(ql2xenablehba_err_chk, int, S_IRUGO|S_IWUSR);
104 MODULE_PARM_DESC(ql2xenablehba_err_chk,
105 " Enable T10-CRC-DIF Error isolation by HBA"
106 " Default is 0 - Error isolation disabled, 1 - Enable it");
108 int ql2xiidmaenable=1;
109 module_param(ql2xiidmaenable, int, S_IRUGO|S_IRUSR);
110 MODULE_PARM_DESC(ql2xiidmaenable,
111 "Enables iIDMA settings "
112 "Default is 1 - perform iIDMA. 0 - no iIDMA.");
114 int ql2xmaxqueues = 1;
115 module_param(ql2xmaxqueues, int, S_IRUGO|S_IRUSR);
116 MODULE_PARM_DESC(ql2xmaxqueues,
117 "Enables MQ settings "
118 "Default is 1 for single queue. Set it to number "
119 "of queues in MQ mode.");
121 int ql2xmultique_tag;
122 module_param(ql2xmultique_tag, int, S_IRUGO|S_IRUSR);
123 MODULE_PARM_DESC(ql2xmultique_tag,
124 "Enables CPU affinity settings for the driver "
125 "Default is 0 for no affinity of request and response IO. "
126 "Set it to 1 to turn on the cpu affinity.");
129 module_param(ql2xfwloadbin, int, S_IRUGO|S_IRUSR);
130 MODULE_PARM_DESC(ql2xfwloadbin,
131 "Option to specify location from which to load ISP firmware:\n"
132 " 2 -- load firmware via the request_firmware() (hotplug)\n"
134 " 1 -- load firmware from flash.\n"
135 " 0 -- use default semantics.\n");
138 module_param(ql2xetsenable, int, S_IRUGO|S_IRUSR);
139 MODULE_PARM_DESC(ql2xetsenable,
140 "Enables firmware ETS burst."
141 "Default is 0 - skip ETS enablement.");
144 module_param(ql2xdbwr, int, S_IRUGO|S_IRUSR);
145 MODULE_PARM_DESC(ql2xdbwr,
146 "Option to specify scheme for request queue posting\n"
147 " 0 -- Regular doorbell.\n"
148 " 1 -- CAMRAM doorbell (faster).\n");
150 int ql2xdontresethba;
151 module_param(ql2xdontresethba, int, S_IRUGO|S_IRUSR);
152 MODULE_PARM_DESC(ql2xdontresethba,
153 "Option to specify reset behaviour\n"
154 " 0 (Default) -- Reset on failure.\n"
155 " 1 -- Do not reset on failure.\n");
157 int ql2xtargetreset = 1;
158 module_param(ql2xtargetreset, int, S_IRUGO|S_IRUSR);
159 MODULE_PARM_DESC(ql2xtargetreset,
160 "Enable target reset."
161 "Default is 1 - use hw defaults.");
164 int ql2xasynctmfenable;
165 module_param(ql2xasynctmfenable, int, S_IRUGO|S_IRUSR);
166 MODULE_PARM_DESC(ql2xasynctmfenable,
167 "Enables issue of TM IOCBs asynchronously via IOCB mechanism"
168 "Default is 0 - Issue TM IOCBs via mailbox mechanism.");
170 * SCSI host template entry points
172 static int qla2xxx_slave_configure(struct scsi_device * device);
173 static int qla2xxx_slave_alloc(struct scsi_device *);
174 static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
175 static void qla2xxx_scan_start(struct Scsi_Host *);
176 static void qla2xxx_slave_destroy(struct scsi_device *);
177 static int qla2xxx_queuecommand(struct scsi_cmnd *cmd,
178 void (*fn)(struct scsi_cmnd *));
179 static int qla2xxx_eh_abort(struct scsi_cmnd *);
180 static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
181 static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
182 static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
183 static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
185 static int qla2x00_change_queue_depth(struct scsi_device *, int, int);
186 static int qla2x00_change_queue_type(struct scsi_device *, int);
188 struct scsi_host_template qla2xxx_driver_template = {
189 .module = THIS_MODULE,
190 .name = QLA2XXX_DRIVER_NAME,
191 .queuecommand = qla2xxx_queuecommand,
193 .eh_abort_handler = qla2xxx_eh_abort,
194 .eh_device_reset_handler = qla2xxx_eh_device_reset,
195 .eh_target_reset_handler = qla2xxx_eh_target_reset,
196 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
197 .eh_host_reset_handler = qla2xxx_eh_host_reset,
199 .slave_configure = qla2xxx_slave_configure,
201 .slave_alloc = qla2xxx_slave_alloc,
202 .slave_destroy = qla2xxx_slave_destroy,
203 .scan_finished = qla2xxx_scan_finished,
204 .scan_start = qla2xxx_scan_start,
205 .change_queue_depth = qla2x00_change_queue_depth,
206 .change_queue_type = qla2x00_change_queue_type,
209 .use_clustering = ENABLE_CLUSTERING,
210 .sg_tablesize = SG_ALL,
212 .max_sectors = 0xFFFF,
213 .shost_attrs = qla2x00_host_attrs,
216 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
217 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
219 /* TODO Convert to inlines
225 qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval)
227 init_timer(&vha->timer);
228 vha->timer.expires = jiffies + interval * HZ;
229 vha->timer.data = (unsigned long)vha;
230 vha->timer.function = (void (*)(unsigned long))func;
231 add_timer(&vha->timer);
232 vha->timer_active = 1;
236 qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
238 /* Currently used for 82XX only. */
239 if (vha->device_flags & DFLG_DEV_FAILED)
242 mod_timer(&vha->timer, jiffies + interval * HZ);
245 static __inline__ void
246 qla2x00_stop_timer(scsi_qla_host_t *vha)
248 del_timer_sync(&vha->timer);
249 vha->timer_active = 0;
252 static int qla2x00_do_dpc(void *data);
254 static void qla2x00_rst_aen(scsi_qla_host_t *);
256 static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
257 struct req_que **, struct rsp_que **);
258 static void qla2x00_mem_free(struct qla_hw_data *);
259 static void qla2x00_sp_free_dma(srb_t *);
261 /* -------------------------------------------------------------------------- */
262 static int qla2x00_alloc_queues(struct qla_hw_data *ha)
264 ha->req_q_map = kzalloc(sizeof(struct req_que *) * ha->max_req_queues,
266 if (!ha->req_q_map) {
267 qla_printk(KERN_WARNING, ha,
268 "Unable to allocate memory for request queue ptrs\n");
272 ha->rsp_q_map = kzalloc(sizeof(struct rsp_que *) * ha->max_rsp_queues,
274 if (!ha->rsp_q_map) {
275 qla_printk(KERN_WARNING, ha,
276 "Unable to allocate memory for response queue ptrs\n");
279 set_bit(0, ha->rsp_qid_map);
280 set_bit(0, ha->req_qid_map);
284 kfree(ha->req_q_map);
285 ha->req_q_map = NULL;
290 static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
292 if (req && req->ring)
293 dma_free_coherent(&ha->pdev->dev,
294 (req->length + 1) * sizeof(request_t),
295 req->ring, req->dma);
301 static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
303 if (rsp && rsp->ring)
304 dma_free_coherent(&ha->pdev->dev,
305 (rsp->length + 1) * sizeof(response_t),
306 rsp->ring, rsp->dma);
312 static void qla2x00_free_queues(struct qla_hw_data *ha)
318 for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
319 req = ha->req_q_map[cnt];
320 qla2x00_free_req_que(ha, req);
322 kfree(ha->req_q_map);
323 ha->req_q_map = NULL;
325 for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
326 rsp = ha->rsp_q_map[cnt];
327 qla2x00_free_rsp_que(ha, rsp);
329 kfree(ha->rsp_q_map);
330 ha->rsp_q_map = NULL;
333 static int qla25xx_setup_mode(struct scsi_qla_host *vha)
335 uint16_t options = 0;
337 struct qla_hw_data *ha = vha->hw;
339 if (!(ha->fw_attributes & BIT_6)) {
340 qla_printk(KERN_INFO, ha,
341 "Firmware is not multi-queue capable\n");
344 if (ql2xmultique_tag) {
345 /* create a request queue for IO */
347 req = qla25xx_create_req_que(ha, options, 0, 0, -1,
348 QLA_DEFAULT_QUE_QOS);
350 qla_printk(KERN_WARNING, ha,
351 "Can't create request queue\n");
354 ha->wq = create_workqueue("qla2xxx_wq");
355 vha->req = ha->req_q_map[req];
357 for (ques = 1; ques < ha->max_rsp_queues; ques++) {
358 ret = qla25xx_create_rsp_que(ha, options, 0, 0, req);
360 qla_printk(KERN_WARNING, ha,
361 "Response Queue create failed\n");
365 ha->flags.cpu_affinity_enabled = 1;
367 DEBUG2(qla_printk(KERN_INFO, ha,
368 "CPU affinity mode enabled, no. of response"
369 " queues:%d, no. of request queues:%d\n",
370 ha->max_rsp_queues, ha->max_req_queues));
374 qla25xx_delete_queues(vha);
375 destroy_workqueue(ha->wq);
379 kfree(ha->req_q_map);
380 kfree(ha->rsp_q_map);
381 ha->max_req_queues = ha->max_rsp_queues = 1;
386 qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
388 struct qla_hw_data *ha = vha->hw;
389 static char *pci_bus_modes[] = {
390 "33", "66", "100", "133",
395 pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
398 strcat(str, pci_bus_modes[pci_bus]);
400 pci_bus = (ha->pci_attr & BIT_8) >> 8;
402 strcat(str, pci_bus_modes[pci_bus]);
404 strcat(str, " MHz)");
410 qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
412 static char *pci_bus_modes[] = { "33", "66", "100", "133", };
413 struct qla_hw_data *ha = vha->hw;
417 pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
420 uint16_t pcie_lstat, lspeed, lwidth;
423 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
424 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
425 lwidth = (pcie_lstat &
426 (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
428 strcpy(str, "PCIe (");
430 strcat(str, "2.5GT/s ");
431 else if (lspeed == 2)
432 strcat(str, "5.0GT/s ");
434 strcat(str, "<unknown> ");
435 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
442 pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
443 if (pci_bus == 0 || pci_bus == 8) {
445 strcat(str, pci_bus_modes[pci_bus >> 3]);
449 strcat(str, "Mode 2");
451 strcat(str, "Mode 1");
453 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
455 strcat(str, " MHz)");
461 qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str)
464 struct qla_hw_data *ha = vha->hw;
466 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
467 ha->fw_minor_version,
468 ha->fw_subminor_version);
470 if (ha->fw_attributes & BIT_9) {
475 switch (ha->fw_attributes & 0xFF) {
489 sprintf(un_str, "(%x)", ha->fw_attributes);
493 if (ha->fw_attributes & 0x100)
500 qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str)
502 struct qla_hw_data *ha = vha->hw;
504 sprintf(str, "%d.%02d.%02d (%x)", ha->fw_major_version,
505 ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
509 static inline srb_t *
510 qla2x00_get_new_sp(scsi_qla_host_t *vha, fc_port_t *fcport,
511 struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
514 struct qla_hw_data *ha = vha->hw;
516 sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
520 atomic_set(&sp->ref_count, 1);
524 CMD_SP(cmd) = (void *)sp;
525 cmd->scsi_done = done;
532 qla2xxx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
534 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
535 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
536 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
537 struct qla_hw_data *ha = vha->hw;
538 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
542 if (ha->flags.eeh_busy) {
543 if (ha->flags.pci_channel_io_perm_failure)
544 cmd->result = DID_NO_CONNECT << 16;
546 cmd->result = DID_REQUEUE << 16;
547 goto qc24_fail_command;
550 rval = fc_remote_port_chkready(rport);
553 goto qc24_fail_command;
556 /* Close window on fcport/rport state-transitioning. */
558 goto qc24_target_busy;
560 if (!vha->flags.difdix_supported &&
561 scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
562 DEBUG2(qla_printk(KERN_ERR, ha,
563 "DIF Cap Not Reg, fail DIF capable cmd's:%x\n",
565 cmd->result = DID_NO_CONNECT << 16;
566 goto qc24_fail_command;
568 if (atomic_read(&fcport->state) != FCS_ONLINE) {
569 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
570 atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
571 cmd->result = DID_NO_CONNECT << 16;
572 goto qc24_fail_command;
574 goto qc24_target_busy;
577 spin_unlock_irq(vha->host->host_lock);
579 sp = qla2x00_get_new_sp(base_vha, fcport, cmd, done);
581 goto qc24_host_busy_lock;
583 rval = ha->isp_ops->start_scsi(sp);
584 if (rval != QLA_SUCCESS)
585 goto qc24_host_busy_free_sp;
587 spin_lock_irq(vha->host->host_lock);
591 qc24_host_busy_free_sp:
592 qla2x00_sp_free_dma(sp);
593 mempool_free(sp, ha->srb_mempool);
596 spin_lock_irq(vha->host->host_lock);
597 return SCSI_MLQUEUE_HOST_BUSY;
600 return SCSI_MLQUEUE_TARGET_BUSY;
610 * qla2x00_eh_wait_on_command
611 * Waits for the command to be returned by the Firmware for some
615 * cmd = Scsi Command to wait on.
622 qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
624 #define ABORT_POLLING_PERIOD 1000
625 #define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
626 unsigned long wait_iter = ABORT_WAIT_ITER;
627 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
628 struct qla_hw_data *ha = vha->hw;
629 int ret = QLA_SUCCESS;
631 if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) {
632 DEBUG17(qla_printk(KERN_WARNING, ha, "return:eh_wait\n"));
636 while (CMD_SP(cmd) && wait_iter--) {
637 msleep(ABORT_POLLING_PERIOD);
640 ret = QLA_FUNCTION_FAILED;
646 * qla2x00_wait_for_hba_online
647 * Wait till the HBA is online after going through
648 * <= MAX_RETRIES_OF_ISP_ABORT or
649 * finally HBA is disabled ie marked offline
652 * ha - pointer to host adapter structure
655 * Does context switching-Release SPIN_LOCK
656 * (if any) before calling this routine.
659 * Success (Adapter is online) : 0
660 * Failed (Adapter is offline/disabled) : 1
663 qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
666 unsigned long wait_online;
667 struct qla_hw_data *ha = vha->hw;
668 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
670 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
671 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
672 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
673 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
674 ha->dpc_active) && time_before(jiffies, wait_online)) {
678 if (base_vha->flags.online)
679 return_status = QLA_SUCCESS;
681 return_status = QLA_FUNCTION_FAILED;
683 return (return_status);
687 * qla2x00_wait_for_reset_ready
688 * Wait till the HBA is online after going through
689 * <= MAX_RETRIES_OF_ISP_ABORT or
690 * finally HBA is disabled ie marked offline or flash
691 * operations are in progress.
694 * ha - pointer to host adapter structure
697 * Does context switching-Release SPIN_LOCK
698 * (if any) before calling this routine.
701 * Success (Adapter is online/no flash ops) : 0
702 * Failed (Adapter is offline/disabled/flash ops in progress) : 1
705 qla2x00_wait_for_reset_ready(scsi_qla_host_t *vha)
708 unsigned long wait_online;
709 struct qla_hw_data *ha = vha->hw;
710 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
712 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
713 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
714 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
715 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
716 ha->optrom_state != QLA_SWAITING ||
717 ha->dpc_active) && time_before(jiffies, wait_online))
720 if (base_vha->flags.online && ha->optrom_state == QLA_SWAITING)
721 return_status = QLA_SUCCESS;
723 return_status = QLA_FUNCTION_FAILED;
725 DEBUG2(printk("%s return_status=%d\n", __func__, return_status));
727 return return_status;
731 qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
734 unsigned long wait_reset;
735 struct qla_hw_data *ha = vha->hw;
736 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
738 wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
739 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
740 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
741 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
742 ha->dpc_active) && time_before(jiffies, wait_reset)) {
746 if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
747 ha->flags.chip_reset_done)
750 if (ha->flags.chip_reset_done)
751 return_status = QLA_SUCCESS;
753 return_status = QLA_FUNCTION_FAILED;
755 return return_status;
759 * qla2x00_wait_for_loop_ready
760 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
761 * to be in LOOP_READY state.
763 * ha - pointer to host adapter structure
766 * Does context switching-Release SPIN_LOCK
767 * (if any) before calling this routine.
771 * Success (LOOP_READY) : 0
772 * Failed (LOOP_NOT_READY) : 1
775 qla2x00_wait_for_loop_ready(scsi_qla_host_t *vha)
777 int return_status = QLA_SUCCESS;
778 unsigned long loop_timeout ;
779 struct qla_hw_data *ha = vha->hw;
780 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
782 /* wait for 5 min at the max for loop to be ready */
783 loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
785 while ((!atomic_read(&base_vha->loop_down_timer) &&
786 atomic_read(&base_vha->loop_state) == LOOP_DOWN) ||
787 atomic_read(&base_vha->loop_state) != LOOP_READY) {
788 if (atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
789 return_status = QLA_FUNCTION_FAILED;
793 if (time_after_eq(jiffies, loop_timeout)) {
794 return_status = QLA_FUNCTION_FAILED;
798 return (return_status);
802 sp_get(struct srb *sp)
804 atomic_inc(&sp->ref_count);
807 /**************************************************************************
811 * The abort function will abort the specified command.
814 * cmd = Linux SCSI command packet to be aborted.
817 * Either SUCCESS or FAILED.
820 * Only return FAILED if command not returned by firmware.
821 **************************************************************************/
823 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
825 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
828 unsigned int id, lun;
829 unsigned long serial;
832 struct qla_hw_data *ha = vha->hw;
833 struct req_que *req = vha->req;
837 fc_block_scsi_eh(cmd);
844 id = cmd->device->id;
845 lun = cmd->device->lun;
846 serial = cmd->serial_number;
847 spt = (srb_t *) CMD_SP(cmd);
851 /* Check active list for command command. */
852 spin_lock_irqsave(&ha->hardware_lock, flags);
853 for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
854 sp = req->outstanding_cmds[i];
858 if ((sp->ctx) && !(sp->flags & SRB_FCP_CMND_DMA_VALID) &&
864 DEBUG2(printk("%s(%ld): aborting sp %p from RISC."
865 " pid=%ld.\n", __func__, vha->host_no, sp, serial));
867 /* Get a reference to the sp and drop the lock.*/
871 spin_unlock_irqrestore(&ha->hardware_lock, flags);
872 if (ha->isp_ops->abort_command(sp)) {
873 DEBUG2(printk("%s(%ld): abort_command "
874 "mbx failed.\n", __func__, vha->host_no));
877 DEBUG3(printk("%s(%ld): abort_command "
878 "mbx success.\n", __func__, vha->host_no));
881 spin_lock_irqsave(&ha->hardware_lock, flags);
884 spin_unlock_irqrestore(&ha->hardware_lock, flags);
886 /* Wait for the command to be returned. */
888 if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
889 qla_printk(KERN_ERR, ha,
890 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
891 "%x.\n", vha->host_no, id, lun, serial, ret);
897 qla2x00_sp_compl(ha, sp);
899 qla_printk(KERN_INFO, ha,
900 "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
901 vha->host_no, id, lun, wait, serial, ret);
907 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
908 unsigned int l, enum nexus_wait_type type)
910 int cnt, match, status;
912 struct qla_hw_data *ha = vha->hw;
916 status = QLA_SUCCESS;
918 spin_lock_irqsave(&ha->hardware_lock, flags);
920 for (cnt = 1; status == QLA_SUCCESS &&
921 cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
922 sp = req->outstanding_cmds[cnt];
925 if ((sp->ctx) && !IS_PROT_IO(sp))
927 if (vha->vp_idx != sp->fcport->vha->vp_idx)
935 match = sp->cmd->device->id == t;
938 match = (sp->cmd->device->id == t &&
939 sp->cmd->device->lun == l);
945 spin_unlock_irqrestore(&ha->hardware_lock, flags);
946 status = qla2x00_eh_wait_on_command(sp->cmd);
947 spin_lock_irqsave(&ha->hardware_lock, flags);
949 spin_unlock_irqrestore(&ha->hardware_lock, flags);
954 static char *reset_errors[] = {
957 "Task management failed",
958 "Waiting for command completions",
962 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
963 struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int, int))
965 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
966 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
969 fc_block_scsi_eh(cmd);
974 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET ISSUED.\n",
975 vha->host_no, cmd->device->id, cmd->device->lun, name);
978 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
979 goto eh_reset_failed;
981 if (qla2x00_wait_for_loop_ready(vha) != QLA_SUCCESS)
982 goto eh_reset_failed;
984 if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
986 goto eh_reset_failed;
988 if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
989 cmd->device->lun, type) != QLA_SUCCESS)
990 goto eh_reset_failed;
992 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n",
993 vha->host_no, cmd->device->id, cmd->device->lun, name);
998 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n"
999 , vha->host_no, cmd->device->id, cmd->device->lun, name,
1005 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
1007 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1008 struct qla_hw_data *ha = vha->hw;
1010 return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
1011 ha->isp_ops->lun_reset);
1015 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1017 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1018 struct qla_hw_data *ha = vha->hw;
1020 return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
1021 ha->isp_ops->target_reset);
1024 /**************************************************************************
1025 * qla2xxx_eh_bus_reset
1028 * The bus reset function will reset the bus and abort any executing
1032 * cmd = Linux SCSI command packet of the command that cause the
1036 * SUCCESS/FAILURE (defined as macro in scsi.h).
1038 **************************************************************************/
1040 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
1042 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1043 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1045 unsigned int id, lun;
1046 unsigned long serial;
1048 fc_block_scsi_eh(cmd);
1050 id = cmd->device->id;
1051 lun = cmd->device->lun;
1052 serial = cmd->serial_number;
1057 qla_printk(KERN_INFO, vha->hw,
1058 "scsi(%ld:%d:%d): BUS RESET ISSUED.\n", vha->host_no, id, lun);
1060 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1061 DEBUG2(printk("%s failed:board disabled\n",__func__));
1062 goto eh_bus_reset_done;
1065 if (qla2x00_wait_for_loop_ready(vha) == QLA_SUCCESS) {
1066 if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
1070 goto eh_bus_reset_done;
1072 /* Flush outstanding commands. */
1073 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) !=
1078 qla_printk(KERN_INFO, vha->hw, "%s: reset %s\n", __func__,
1079 (ret == FAILED) ? "failed" : "succeded");
1084 /**************************************************************************
1085 * qla2xxx_eh_host_reset
1088 * The reset function will reset the Adapter.
1091 * cmd = Linux SCSI command packet of the command that cause the
1095 * Either SUCCESS or FAILED.
1098 **************************************************************************/
1100 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1102 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1103 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1104 struct qla_hw_data *ha = vha->hw;
1106 unsigned int id, lun;
1107 unsigned long serial;
1108 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1110 fc_block_scsi_eh(cmd);
1112 id = cmd->device->id;
1113 lun = cmd->device->lun;
1114 serial = cmd->serial_number;
1119 qla_printk(KERN_INFO, ha,
1120 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", vha->host_no, id, lun);
1122 if (qla2x00_wait_for_reset_ready(vha) != QLA_SUCCESS)
1123 goto eh_host_reset_lock;
1126 * Fixme-may be dpc thread is active and processing
1127 * loop_resync,so wait a while for it to
1128 * be completed and then issue big hammer.Otherwise
1129 * it may cause I/O failure as big hammer marks the
1130 * devices as lost kicking of the port_down_timer
1131 * while dpc is stuck for the mailbox to complete.
1133 qla2x00_wait_for_loop_ready(vha);
1134 if (vha != base_vha) {
1135 if (qla2x00_vp_abort_isp(vha))
1136 goto eh_host_reset_lock;
1138 if (IS_QLA82XX(vha->hw)) {
1139 if (!qla82xx_fcoe_ctx_reset(vha)) {
1140 /* Ctx reset success */
1142 goto eh_host_reset_lock;
1144 /* fall thru if ctx reset failed */
1147 flush_workqueue(ha->wq);
1149 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1150 if (ha->isp_ops->abort_isp(base_vha)) {
1151 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1152 /* failed. schedule dpc to try */
1153 set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1155 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
1156 goto eh_host_reset_lock;
1158 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1161 /* Waiting for command to be returned to OS.*/
1162 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) ==
1167 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1168 (ret == FAILED) ? "failed" : "succeded");
1174 * qla2x00_loop_reset
1178 * ha = adapter block pointer.
1184 qla2x00_loop_reset(scsi_qla_host_t *vha)
1187 struct fc_port *fcport;
1188 struct qla_hw_data *ha = vha->hw;
1190 if (ql2xtargetreset == 1 && ha->flags.enable_target_reset) {
1191 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1192 if (fcport->port_type != FCT_TARGET)
1195 ret = ha->isp_ops->target_reset(fcport, 0, 0);
1196 if (ret != QLA_SUCCESS) {
1197 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1198 "target_reset=%d d_id=%x.\n", __func__,
1199 vha->host_no, ret, fcport->d_id.b24));
1204 if (ha->flags.enable_lip_full_login && !IS_QLA8XXX_TYPE(ha)) {
1205 ret = qla2x00_full_login_lip(vha);
1206 if (ret != QLA_SUCCESS) {
1207 DEBUG2_3(printk("%s(%ld): failed: "
1208 "full_login_lip=%d.\n", __func__, vha->host_no,
1211 atomic_set(&vha->loop_state, LOOP_DOWN);
1212 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1213 qla2x00_mark_all_devices_lost(vha, 0);
1214 qla2x00_wait_for_loop_ready(vha);
1217 if (ha->flags.enable_lip_reset) {
1218 ret = qla2x00_lip_reset(vha);
1219 if (ret != QLA_SUCCESS) {
1220 DEBUG2_3(printk("%s(%ld): failed: "
1221 "lip_reset=%d.\n", __func__, vha->host_no, ret));
1223 qla2x00_wait_for_loop_ready(vha);
1226 /* Issue marker command only when we are going to start the I/O */
1227 vha->marker_needed = 1;
1233 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1236 unsigned long flags;
1238 struct srb_ctx *ctx;
1239 struct qla_hw_data *ha = vha->hw;
1240 struct req_que *req;
1242 spin_lock_irqsave(&ha->hardware_lock, flags);
1243 for (que = 0; que < ha->max_req_queues; que++) {
1244 req = ha->req_q_map[que];
1247 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1248 sp = req->outstanding_cmds[cnt];
1250 req->outstanding_cmds[cnt] = NULL;
1252 (sp->flags & SRB_FCP_CMND_DMA_VALID) ||
1254 sp->cmd->result = res;
1255 qla2x00_sp_compl(ha, sp);
1258 if (ctx->type == SRB_LOGIN_CMD ||
1259 ctx->type == SRB_LOGOUT_CMD) {
1260 ctx->u.iocb_cmd->free(sp);
1262 struct fc_bsg_job *bsg_job =
1264 if (bsg_job->request->msgcode
1267 bsg_job->req->errors = 0;
1268 bsg_job->reply->result = res;
1269 bsg_job->job_done(bsg_job);
1278 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1282 qla2xxx_slave_alloc(struct scsi_device *sdev)
1284 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1286 if (!rport || fc_remote_port_chkready(rport))
1289 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1295 qla2xxx_slave_configure(struct scsi_device *sdev)
1297 scsi_qla_host_t *vha = shost_priv(sdev->host);
1298 struct qla_hw_data *ha = vha->hw;
1299 struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1300 struct req_que *req = vha->req;
1302 if (sdev->tagged_supported)
1303 scsi_activate_tcq(sdev, req->max_q_depth);
1305 scsi_deactivate_tcq(sdev, req->max_q_depth);
1307 rport->dev_loss_tmo = ha->port_down_retry_count;
1313 qla2xxx_slave_destroy(struct scsi_device *sdev)
1315 sdev->hostdata = NULL;
1318 static void qla2x00_handle_queue_full(struct scsi_device *sdev, int qdepth)
1320 fc_port_t *fcport = (struct fc_port *) sdev->hostdata;
1322 if (!scsi_track_queue_full(sdev, qdepth))
1325 DEBUG2(qla_printk(KERN_INFO, fcport->vha->hw,
1326 "scsi(%ld:%d:%d:%d): Queue depth adjusted-down to %d.\n",
1327 fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun,
1328 sdev->queue_depth));
1331 static void qla2x00_adjust_sdev_qdepth_up(struct scsi_device *sdev, int qdepth)
1333 fc_port_t *fcport = sdev->hostdata;
1334 struct scsi_qla_host *vha = fcport->vha;
1335 struct qla_hw_data *ha = vha->hw;
1336 struct req_que *req = NULL;
1342 if (req->max_q_depth <= sdev->queue_depth || req->max_q_depth < qdepth)
1345 if (sdev->ordered_tags)
1346 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, qdepth);
1348 scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, qdepth);
1350 DEBUG2(qla_printk(KERN_INFO, ha,
1351 "scsi(%ld:%d:%d:%d): Queue depth adjusted-up to %d.\n",
1352 fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun,
1353 sdev->queue_depth));
1357 qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
1360 case SCSI_QDEPTH_DEFAULT:
1361 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1363 case SCSI_QDEPTH_QFULL:
1364 qla2x00_handle_queue_full(sdev, qdepth);
1366 case SCSI_QDEPTH_RAMP_UP:
1367 qla2x00_adjust_sdev_qdepth_up(sdev, qdepth);
1373 return sdev->queue_depth;
1377 qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1379 if (sdev->tagged_supported) {
1380 scsi_set_tag_type(sdev, tag_type);
1382 scsi_activate_tcq(sdev, sdev->queue_depth);
1384 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1392 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1395 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1396 * supported addressing method.
1399 qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1401 /* Assume a 32bit DMA mask. */
1402 ha->flags.enable_64bit_addressing = 0;
1404 if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1405 /* Any upper-dword bits set? */
1406 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1407 !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
1408 /* Ok, a 64bit DMA mask is applicable. */
1409 ha->flags.enable_64bit_addressing = 1;
1410 ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1411 ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1416 dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1417 pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1421 qla2x00_enable_intrs(struct qla_hw_data *ha)
1423 unsigned long flags = 0;
1424 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1426 spin_lock_irqsave(&ha->hardware_lock, flags);
1427 ha->interrupts_on = 1;
1428 /* enable risc and host interrupts */
1429 WRT_REG_WORD(®->ictrl, ICR_EN_INT | ICR_EN_RISC);
1430 RD_REG_WORD(®->ictrl);
1431 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1436 qla2x00_disable_intrs(struct qla_hw_data *ha)
1438 unsigned long flags = 0;
1439 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1441 spin_lock_irqsave(&ha->hardware_lock, flags);
1442 ha->interrupts_on = 0;
1443 /* disable risc and host interrupts */
1444 WRT_REG_WORD(®->ictrl, 0);
1445 RD_REG_WORD(®->ictrl);
1446 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1450 qla24xx_enable_intrs(struct qla_hw_data *ha)
1452 unsigned long flags = 0;
1453 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1455 spin_lock_irqsave(&ha->hardware_lock, flags);
1456 ha->interrupts_on = 1;
1457 WRT_REG_DWORD(®->ictrl, ICRX_EN_RISC_INT);
1458 RD_REG_DWORD(®->ictrl);
1459 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1463 qla24xx_disable_intrs(struct qla_hw_data *ha)
1465 unsigned long flags = 0;
1466 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1468 if (IS_NOPOLLING_TYPE(ha))
1470 spin_lock_irqsave(&ha->hardware_lock, flags);
1471 ha->interrupts_on = 0;
1472 WRT_REG_DWORD(®->ictrl, 0);
1473 RD_REG_DWORD(®->ictrl);
1474 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1477 static struct isp_operations qla2100_isp_ops = {
1478 .pci_config = qla2100_pci_config,
1479 .reset_chip = qla2x00_reset_chip,
1480 .chip_diag = qla2x00_chip_diag,
1481 .config_rings = qla2x00_config_rings,
1482 .reset_adapter = qla2x00_reset_adapter,
1483 .nvram_config = qla2x00_nvram_config,
1484 .update_fw_options = qla2x00_update_fw_options,
1485 .load_risc = qla2x00_load_risc,
1486 .pci_info_str = qla2x00_pci_info_str,
1487 .fw_version_str = qla2x00_fw_version_str,
1488 .intr_handler = qla2100_intr_handler,
1489 .enable_intrs = qla2x00_enable_intrs,
1490 .disable_intrs = qla2x00_disable_intrs,
1491 .abort_command = qla2x00_abort_command,
1492 .target_reset = qla2x00_abort_target,
1493 .lun_reset = qla2x00_lun_reset,
1494 .fabric_login = qla2x00_login_fabric,
1495 .fabric_logout = qla2x00_fabric_logout,
1496 .calc_req_entries = qla2x00_calc_iocbs_32,
1497 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1498 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1499 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1500 .read_nvram = qla2x00_read_nvram_data,
1501 .write_nvram = qla2x00_write_nvram_data,
1502 .fw_dump = qla2100_fw_dump,
1505 .beacon_blink = NULL,
1506 .read_optrom = qla2x00_read_optrom_data,
1507 .write_optrom = qla2x00_write_optrom_data,
1508 .get_flash_version = qla2x00_get_flash_version,
1509 .start_scsi = qla2x00_start_scsi,
1510 .abort_isp = qla2x00_abort_isp,
1513 static struct isp_operations qla2300_isp_ops = {
1514 .pci_config = qla2300_pci_config,
1515 .reset_chip = qla2x00_reset_chip,
1516 .chip_diag = qla2x00_chip_diag,
1517 .config_rings = qla2x00_config_rings,
1518 .reset_adapter = qla2x00_reset_adapter,
1519 .nvram_config = qla2x00_nvram_config,
1520 .update_fw_options = qla2x00_update_fw_options,
1521 .load_risc = qla2x00_load_risc,
1522 .pci_info_str = qla2x00_pci_info_str,
1523 .fw_version_str = qla2x00_fw_version_str,
1524 .intr_handler = qla2300_intr_handler,
1525 .enable_intrs = qla2x00_enable_intrs,
1526 .disable_intrs = qla2x00_disable_intrs,
1527 .abort_command = qla2x00_abort_command,
1528 .target_reset = qla2x00_abort_target,
1529 .lun_reset = qla2x00_lun_reset,
1530 .fabric_login = qla2x00_login_fabric,
1531 .fabric_logout = qla2x00_fabric_logout,
1532 .calc_req_entries = qla2x00_calc_iocbs_32,
1533 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1534 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1535 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1536 .read_nvram = qla2x00_read_nvram_data,
1537 .write_nvram = qla2x00_write_nvram_data,
1538 .fw_dump = qla2300_fw_dump,
1539 .beacon_on = qla2x00_beacon_on,
1540 .beacon_off = qla2x00_beacon_off,
1541 .beacon_blink = qla2x00_beacon_blink,
1542 .read_optrom = qla2x00_read_optrom_data,
1543 .write_optrom = qla2x00_write_optrom_data,
1544 .get_flash_version = qla2x00_get_flash_version,
1545 .start_scsi = qla2x00_start_scsi,
1546 .abort_isp = qla2x00_abort_isp,
1549 static struct isp_operations qla24xx_isp_ops = {
1550 .pci_config = qla24xx_pci_config,
1551 .reset_chip = qla24xx_reset_chip,
1552 .chip_diag = qla24xx_chip_diag,
1553 .config_rings = qla24xx_config_rings,
1554 .reset_adapter = qla24xx_reset_adapter,
1555 .nvram_config = qla24xx_nvram_config,
1556 .update_fw_options = qla24xx_update_fw_options,
1557 .load_risc = qla24xx_load_risc,
1558 .pci_info_str = qla24xx_pci_info_str,
1559 .fw_version_str = qla24xx_fw_version_str,
1560 .intr_handler = qla24xx_intr_handler,
1561 .enable_intrs = qla24xx_enable_intrs,
1562 .disable_intrs = qla24xx_disable_intrs,
1563 .abort_command = qla24xx_abort_command,
1564 .target_reset = qla24xx_abort_target,
1565 .lun_reset = qla24xx_lun_reset,
1566 .fabric_login = qla24xx_login_fabric,
1567 .fabric_logout = qla24xx_fabric_logout,
1568 .calc_req_entries = NULL,
1569 .build_iocbs = NULL,
1570 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1571 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1572 .read_nvram = qla24xx_read_nvram_data,
1573 .write_nvram = qla24xx_write_nvram_data,
1574 .fw_dump = qla24xx_fw_dump,
1575 .beacon_on = qla24xx_beacon_on,
1576 .beacon_off = qla24xx_beacon_off,
1577 .beacon_blink = qla24xx_beacon_blink,
1578 .read_optrom = qla24xx_read_optrom_data,
1579 .write_optrom = qla24xx_write_optrom_data,
1580 .get_flash_version = qla24xx_get_flash_version,
1581 .start_scsi = qla24xx_start_scsi,
1582 .abort_isp = qla2x00_abort_isp,
1585 static struct isp_operations qla25xx_isp_ops = {
1586 .pci_config = qla25xx_pci_config,
1587 .reset_chip = qla24xx_reset_chip,
1588 .chip_diag = qla24xx_chip_diag,
1589 .config_rings = qla24xx_config_rings,
1590 .reset_adapter = qla24xx_reset_adapter,
1591 .nvram_config = qla24xx_nvram_config,
1592 .update_fw_options = qla24xx_update_fw_options,
1593 .load_risc = qla24xx_load_risc,
1594 .pci_info_str = qla24xx_pci_info_str,
1595 .fw_version_str = qla24xx_fw_version_str,
1596 .intr_handler = qla24xx_intr_handler,
1597 .enable_intrs = qla24xx_enable_intrs,
1598 .disable_intrs = qla24xx_disable_intrs,
1599 .abort_command = qla24xx_abort_command,
1600 .target_reset = qla24xx_abort_target,
1601 .lun_reset = qla24xx_lun_reset,
1602 .fabric_login = qla24xx_login_fabric,
1603 .fabric_logout = qla24xx_fabric_logout,
1604 .calc_req_entries = NULL,
1605 .build_iocbs = NULL,
1606 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1607 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1608 .read_nvram = qla25xx_read_nvram_data,
1609 .write_nvram = qla25xx_write_nvram_data,
1610 .fw_dump = qla25xx_fw_dump,
1611 .beacon_on = qla24xx_beacon_on,
1612 .beacon_off = qla24xx_beacon_off,
1613 .beacon_blink = qla24xx_beacon_blink,
1614 .read_optrom = qla25xx_read_optrom_data,
1615 .write_optrom = qla24xx_write_optrom_data,
1616 .get_flash_version = qla24xx_get_flash_version,
1617 .start_scsi = qla24xx_dif_start_scsi,
1618 .abort_isp = qla2x00_abort_isp,
1621 static struct isp_operations qla81xx_isp_ops = {
1622 .pci_config = qla25xx_pci_config,
1623 .reset_chip = qla24xx_reset_chip,
1624 .chip_diag = qla24xx_chip_diag,
1625 .config_rings = qla24xx_config_rings,
1626 .reset_adapter = qla24xx_reset_adapter,
1627 .nvram_config = qla81xx_nvram_config,
1628 .update_fw_options = qla81xx_update_fw_options,
1629 .load_risc = qla81xx_load_risc,
1630 .pci_info_str = qla24xx_pci_info_str,
1631 .fw_version_str = qla24xx_fw_version_str,
1632 .intr_handler = qla24xx_intr_handler,
1633 .enable_intrs = qla24xx_enable_intrs,
1634 .disable_intrs = qla24xx_disable_intrs,
1635 .abort_command = qla24xx_abort_command,
1636 .target_reset = qla24xx_abort_target,
1637 .lun_reset = qla24xx_lun_reset,
1638 .fabric_login = qla24xx_login_fabric,
1639 .fabric_logout = qla24xx_fabric_logout,
1640 .calc_req_entries = NULL,
1641 .build_iocbs = NULL,
1642 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1643 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1645 .write_nvram = NULL,
1646 .fw_dump = qla81xx_fw_dump,
1647 .beacon_on = qla24xx_beacon_on,
1648 .beacon_off = qla24xx_beacon_off,
1649 .beacon_blink = qla24xx_beacon_blink,
1650 .read_optrom = qla25xx_read_optrom_data,
1651 .write_optrom = qla24xx_write_optrom_data,
1652 .get_flash_version = qla24xx_get_flash_version,
1653 .start_scsi = qla24xx_dif_start_scsi,
1654 .abort_isp = qla2x00_abort_isp,
1657 static struct isp_operations qla82xx_isp_ops = {
1658 .pci_config = qla82xx_pci_config,
1659 .reset_chip = qla82xx_reset_chip,
1660 .chip_diag = qla24xx_chip_diag,
1661 .config_rings = qla82xx_config_rings,
1662 .reset_adapter = qla24xx_reset_adapter,
1663 .nvram_config = qla81xx_nvram_config,
1664 .update_fw_options = qla24xx_update_fw_options,
1665 .load_risc = qla82xx_load_risc,
1666 .pci_info_str = qla82xx_pci_info_str,
1667 .fw_version_str = qla24xx_fw_version_str,
1668 .intr_handler = qla82xx_intr_handler,
1669 .enable_intrs = qla82xx_enable_intrs,
1670 .disable_intrs = qla82xx_disable_intrs,
1671 .abort_command = qla24xx_abort_command,
1672 .target_reset = qla24xx_abort_target,
1673 .lun_reset = qla24xx_lun_reset,
1674 .fabric_login = qla24xx_login_fabric,
1675 .fabric_logout = qla24xx_fabric_logout,
1676 .calc_req_entries = NULL,
1677 .build_iocbs = NULL,
1678 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1679 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1680 .read_nvram = qla24xx_read_nvram_data,
1681 .write_nvram = qla24xx_write_nvram_data,
1682 .fw_dump = qla24xx_fw_dump,
1683 .beacon_on = qla24xx_beacon_on,
1684 .beacon_off = qla24xx_beacon_off,
1685 .beacon_blink = qla24xx_beacon_blink,
1686 .read_optrom = qla82xx_read_optrom_data,
1687 .write_optrom = qla82xx_write_optrom_data,
1688 .get_flash_version = qla24xx_get_flash_version,
1689 .start_scsi = qla82xx_start_scsi,
1690 .abort_isp = qla82xx_abort_isp,
1694 qla2x00_set_isp_flags(struct qla_hw_data *ha)
1696 ha->device_type = DT_EXTENDED_IDS;
1697 switch (ha->pdev->device) {
1698 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1699 ha->device_type |= DT_ISP2100;
1700 ha->device_type &= ~DT_EXTENDED_IDS;
1701 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1703 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1704 ha->device_type |= DT_ISP2200;
1705 ha->device_type &= ~DT_EXTENDED_IDS;
1706 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1708 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1709 ha->device_type |= DT_ISP2300;
1710 ha->device_type |= DT_ZIO_SUPPORTED;
1711 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1713 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1714 ha->device_type |= DT_ISP2312;
1715 ha->device_type |= DT_ZIO_SUPPORTED;
1716 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1718 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1719 ha->device_type |= DT_ISP2322;
1720 ha->device_type |= DT_ZIO_SUPPORTED;
1721 if (ha->pdev->subsystem_vendor == 0x1028 &&
1722 ha->pdev->subsystem_device == 0x0170)
1723 ha->device_type |= DT_OEM_001;
1724 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1726 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1727 ha->device_type |= DT_ISP6312;
1728 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1730 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1731 ha->device_type |= DT_ISP6322;
1732 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1734 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1735 ha->device_type |= DT_ISP2422;
1736 ha->device_type |= DT_ZIO_SUPPORTED;
1737 ha->device_type |= DT_FWI2;
1738 ha->device_type |= DT_IIDMA;
1739 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1741 case PCI_DEVICE_ID_QLOGIC_ISP2432:
1742 ha->device_type |= DT_ISP2432;
1743 ha->device_type |= DT_ZIO_SUPPORTED;
1744 ha->device_type |= DT_FWI2;
1745 ha->device_type |= DT_IIDMA;
1746 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1748 case PCI_DEVICE_ID_QLOGIC_ISP8432:
1749 ha->device_type |= DT_ISP8432;
1750 ha->device_type |= DT_ZIO_SUPPORTED;
1751 ha->device_type |= DT_FWI2;
1752 ha->device_type |= DT_IIDMA;
1753 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1755 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1756 ha->device_type |= DT_ISP5422;
1757 ha->device_type |= DT_FWI2;
1758 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1760 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1761 ha->device_type |= DT_ISP5432;
1762 ha->device_type |= DT_FWI2;
1763 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1765 case PCI_DEVICE_ID_QLOGIC_ISP2532:
1766 ha->device_type |= DT_ISP2532;
1767 ha->device_type |= DT_ZIO_SUPPORTED;
1768 ha->device_type |= DT_FWI2;
1769 ha->device_type |= DT_IIDMA;
1770 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1772 case PCI_DEVICE_ID_QLOGIC_ISP8001:
1773 ha->device_type |= DT_ISP8001;
1774 ha->device_type |= DT_ZIO_SUPPORTED;
1775 ha->device_type |= DT_FWI2;
1776 ha->device_type |= DT_IIDMA;
1777 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1779 case PCI_DEVICE_ID_QLOGIC_ISP8021:
1780 ha->device_type |= DT_ISP8021;
1781 ha->device_type |= DT_ZIO_SUPPORTED;
1782 ha->device_type |= DT_FWI2;
1783 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1784 /* Initialize 82XX ISP flags */
1785 qla82xx_init_flags(ha);
1790 ha->port_no = !(ha->portnum & 1);
1792 /* Get adapter physical port no from interrupt pin register. */
1793 pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
1795 if (ha->port_no & 1)
1796 ha->flags.port0 = 1;
1798 ha->flags.port0 = 0;
1802 qla2x00_iospace_config(struct qla_hw_data *ha)
1804 resource_size_t pio;
1809 return qla82xx_iospace_config(ha);
1811 if (pci_request_selected_regions(ha->pdev, ha->bars,
1812 QLA2XXX_DRIVER_NAME)) {
1813 qla_printk(KERN_WARNING, ha,
1814 "Failed to reserve PIO/MMIO regions (%s)\n",
1815 pci_name(ha->pdev));
1817 goto iospace_error_exit;
1819 if (!(ha->bars & 1))
1822 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1823 pio = pci_resource_start(ha->pdev, 0);
1824 if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1825 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1826 qla_printk(KERN_WARNING, ha,
1827 "Invalid PCI I/O region size (%s)...\n",
1828 pci_name(ha->pdev));
1832 qla_printk(KERN_WARNING, ha,
1833 "region #0 not a PIO resource (%s)...\n",
1834 pci_name(ha->pdev));
1837 ha->pio_address = pio;
1840 /* Use MMIO operations for all accesses. */
1841 if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1842 qla_printk(KERN_ERR, ha,
1843 "region #1 not an MMIO resource (%s), aborting\n",
1844 pci_name(ha->pdev));
1845 goto iospace_error_exit;
1847 if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1848 qla_printk(KERN_ERR, ha,
1849 "Invalid PCI mem region size (%s), aborting\n",
1850 pci_name(ha->pdev));
1851 goto iospace_error_exit;
1854 ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1856 qla_printk(KERN_ERR, ha,
1857 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1859 goto iospace_error_exit;
1862 /* Determine queue resources */
1863 ha->max_req_queues = ha->max_rsp_queues = 1;
1864 if ((ql2xmaxqueues <= 1 && !ql2xmultique_tag) ||
1865 (ql2xmaxqueues > 1 && ql2xmultique_tag) ||
1866 (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
1869 ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1870 pci_resource_len(ha->pdev, 3));
1872 /* Read MSIX vector size of the board */
1873 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1874 ha->msix_count = msix;
1875 /* Max queues are bounded by available msix vectors */
1876 /* queue 0 uses two msix vectors */
1877 if (ql2xmultique_tag) {
1878 cpus = num_online_cpus();
1879 ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ?
1880 (cpus + 1) : (ha->msix_count - 1);
1881 ha->max_req_queues = 2;
1882 } else if (ql2xmaxqueues > 1) {
1883 ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ?
1884 QLA_MQ_SIZE : ql2xmaxqueues;
1885 DEBUG2(qla_printk(KERN_INFO, ha, "QoS mode set, max no"
1886 " of request queues:%d\n", ha->max_req_queues));
1888 qla_printk(KERN_INFO, ha,
1889 "MSI-X vector count: %d\n", msix);
1891 qla_printk(KERN_INFO, ha, "BAR 3 not enabled\n");
1894 ha->msix_count = ha->max_rsp_queues + 1;
1902 qla2xxx_scan_start(struct Scsi_Host *shost)
1904 scsi_qla_host_t *vha = shost_priv(shost);
1906 if (vha->hw->flags.running_gold_fw)
1909 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1910 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1911 set_bit(RSCN_UPDATE, &vha->dpc_flags);
1912 set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
1916 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1918 scsi_qla_host_t *vha = shost_priv(shost);
1922 if (time > vha->hw->loop_reset_delay * HZ)
1925 return atomic_read(&vha->loop_state) == LOOP_READY;
1929 * PCI driver interface
1931 static int __devinit
1932 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1935 struct Scsi_Host *host;
1936 scsi_qla_host_t *base_vha = NULL;
1937 struct qla_hw_data *ha;
1940 struct scsi_host_template *sht;
1941 int bars, max_id, mem_only = 0;
1942 uint16_t req_length = 0, rsp_length = 0;
1943 struct req_que *req = NULL;
1944 struct rsp_que *rsp = NULL;
1946 bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
1947 sht = &qla2xxx_driver_template;
1948 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
1949 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
1950 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
1951 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
1952 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
1953 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
1954 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 ||
1955 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021) {
1956 bars = pci_select_bars(pdev, IORESOURCE_MEM);
1961 if (pci_enable_device_mem(pdev))
1964 if (pci_enable_device(pdev))
1968 /* This may fail but that's ok */
1969 pci_enable_pcie_error_reporting(pdev);
1971 ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
1973 DEBUG(printk("Unable to allocate memory for ha\n"));
1978 /* Clear our data area */
1980 ha->mem_only = mem_only;
1981 spin_lock_init(&ha->hardware_lock);
1983 /* Set ISP-type information. */
1984 qla2x00_set_isp_flags(ha);
1986 /* Set EEH reset type to fundamental if required by hba */
1987 if ( IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha)) {
1988 pdev->needs_freset = 1;
1991 /* Configure PCI I/O space */
1992 ret = qla2x00_iospace_config(ha);
1994 goto probe_hw_failed;
1996 qla_printk(KERN_INFO, ha,
1997 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
2000 ha->prev_topology = 0;
2001 ha->init_cb_size = sizeof(init_cb_t);
2002 ha->link_data_rate = PORT_SPEED_UNKNOWN;
2003 ha->optrom_size = OPTROM_SIZE_2300;
2005 /* Assign ISP specific operations. */
2006 max_id = MAX_TARGETS_2200;
2007 if (IS_QLA2100(ha)) {
2008 max_id = MAX_TARGETS_2100;
2009 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
2010 req_length = REQUEST_ENTRY_CNT_2100;
2011 rsp_length = RESPONSE_ENTRY_CNT_2100;
2012 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2013 ha->gid_list_info_size = 4;
2014 ha->flash_conf_off = ~0;
2015 ha->flash_data_off = ~0;
2016 ha->nvram_conf_off = ~0;
2017 ha->nvram_data_off = ~0;
2018 ha->isp_ops = &qla2100_isp_ops;
2019 } else if (IS_QLA2200(ha)) {
2020 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2021 req_length = REQUEST_ENTRY_CNT_2200;
2022 rsp_length = RESPONSE_ENTRY_CNT_2100;
2023 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2024 ha->gid_list_info_size = 4;
2025 ha->flash_conf_off = ~0;
2026 ha->flash_data_off = ~0;
2027 ha->nvram_conf_off = ~0;
2028 ha->nvram_data_off = ~0;
2029 ha->isp_ops = &qla2100_isp_ops;
2030 } else if (IS_QLA23XX(ha)) {
2031 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2032 req_length = REQUEST_ENTRY_CNT_2200;
2033 rsp_length = RESPONSE_ENTRY_CNT_2300;
2034 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2035 ha->gid_list_info_size = 6;
2036 if (IS_QLA2322(ha) || IS_QLA6322(ha))
2037 ha->optrom_size = OPTROM_SIZE_2322;
2038 ha->flash_conf_off = ~0;
2039 ha->flash_data_off = ~0;
2040 ha->nvram_conf_off = ~0;
2041 ha->nvram_data_off = ~0;
2042 ha->isp_ops = &qla2300_isp_ops;
2043 } else if (IS_QLA24XX_TYPE(ha)) {
2044 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2045 req_length = REQUEST_ENTRY_CNT_24XX;
2046 rsp_length = RESPONSE_ENTRY_CNT_2300;
2047 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2048 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2049 ha->gid_list_info_size = 8;
2050 ha->optrom_size = OPTROM_SIZE_24XX;
2051 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
2052 ha->isp_ops = &qla24xx_isp_ops;
2053 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2054 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2055 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2056 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2057 } else if (IS_QLA25XX(ha)) {
2058 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2059 req_length = REQUEST_ENTRY_CNT_24XX;
2060 rsp_length = RESPONSE_ENTRY_CNT_2300;
2061 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2062 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2063 ha->gid_list_info_size = 8;
2064 ha->optrom_size = OPTROM_SIZE_25XX;
2065 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2066 ha->isp_ops = &qla25xx_isp_ops;
2067 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2068 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2069 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2070 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2071 } else if (IS_QLA81XX(ha)) {
2072 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2073 req_length = REQUEST_ENTRY_CNT_24XX;
2074 rsp_length = RESPONSE_ENTRY_CNT_2300;
2075 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2076 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2077 ha->gid_list_info_size = 8;
2078 ha->optrom_size = OPTROM_SIZE_81XX;
2079 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2080 ha->isp_ops = &qla81xx_isp_ops;
2081 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2082 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2083 ha->nvram_conf_off = ~0;
2084 ha->nvram_data_off = ~0;
2085 } else if (IS_QLA82XX(ha)) {
2086 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2087 req_length = REQUEST_ENTRY_CNT_82XX;
2088 rsp_length = RESPONSE_ENTRY_CNT_82XX;
2089 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2090 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2091 ha->gid_list_info_size = 8;
2092 ha->optrom_size = OPTROM_SIZE_82XX;
2093 ha->isp_ops = &qla82xx_isp_ops;
2094 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2095 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2096 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2097 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2100 mutex_init(&ha->vport_lock);
2101 init_completion(&ha->mbx_cmd_comp);
2102 complete(&ha->mbx_cmd_comp);
2103 init_completion(&ha->mbx_intr_comp);
2104 init_completion(&ha->dcbx_comp);
2106 set_bit(0, (unsigned long *) ha->vp_idx_map);
2108 qla2x00_config_dma_addressing(ha);
2109 ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
2111 qla_printk(KERN_WARNING, ha,
2112 "[ERROR] Failed to allocate memory for adapter\n");
2114 goto probe_hw_failed;
2117 req->max_q_depth = MAX_Q_DEPTH;
2118 if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
2119 req->max_q_depth = ql2xmaxqdepth;
2122 base_vha = qla2x00_create_host(sht, ha);
2124 qla_printk(KERN_WARNING, ha,
2125 "[ERROR] Failed to allocate memory for scsi_host\n");
2128 qla2x00_mem_free(ha);
2129 qla2x00_free_req_que(ha, req);
2130 qla2x00_free_rsp_que(ha, rsp);
2131 goto probe_hw_failed;
2134 pci_set_drvdata(pdev, base_vha);
2136 host = base_vha->host;
2137 base_vha->req = req;
2138 host->can_queue = req->length + 128;
2139 if (IS_QLA2XXX_MIDTYPE(ha))
2140 base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
2142 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
2145 host->sg_tablesize = 32;
2146 host->max_id = max_id;
2147 host->this_id = 255;
2148 host->cmd_per_lun = 3;
2149 host->unique_id = host->host_no;
2150 if ((IS_QLA25XX(ha) || IS_QLA81XX(ha)) && ql2xenabledif)
2151 host->max_cmd_len = 32;
2153 host->max_cmd_len = MAX_CMDSZ;
2154 host->max_channel = MAX_BUSES - 1;
2155 host->max_lun = MAX_LUNS;
2156 host->transportt = qla2xxx_transport_template;
2157 sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
2159 /* Set up the irqs */
2160 ret = qla2x00_request_irqs(ha, rsp);
2162 goto probe_init_failed;
2164 pci_save_state(pdev);
2166 /* Alloc arrays of request and response ring ptrs */
2168 if (!qla2x00_alloc_queues(ha)) {
2169 qla_printk(KERN_WARNING, ha,
2170 "[ERROR] Failed to allocate memory for queue"
2172 goto probe_init_failed;
2175 ha->rsp_q_map[0] = rsp;
2176 ha->req_q_map[0] = req;
2179 set_bit(0, ha->req_qid_map);
2180 set_bit(0, ha->rsp_qid_map);
2181 /* FWI2-capable only. */
2182 req->req_q_in = &ha->iobase->isp24.req_q_in;
2183 req->req_q_out = &ha->iobase->isp24.req_q_out;
2184 rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
2185 rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
2187 req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
2188 req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
2189 rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
2190 rsp->rsp_q_out = &ha->mqiobase->isp25mq.rsp_q_out;
2193 if (IS_QLA82XX(ha)) {
2194 req->req_q_out = &ha->iobase->isp82.req_q_out[0];
2195 rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0];
2196 rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0];
2199 if (qla2x00_initialize_adapter(base_vha)) {
2200 qla_printk(KERN_WARNING, ha,
2201 "Failed to initialize adapter\n");
2203 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
2204 "Adapter flags %x.\n",
2205 base_vha->host_no, base_vha->device_flags));
2207 if (IS_QLA82XX(ha)) {
2208 qla82xx_idc_lock(ha);
2209 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
2210 QLA82XX_DEV_FAILED);
2211 qla82xx_idc_unlock(ha);
2212 qla_printk(KERN_INFO, ha, "HW State: FAILED\n");
2220 if (qla25xx_setup_mode(base_vha)) {
2221 qla_printk(KERN_WARNING, ha,
2222 "Can't create queues, falling back to single"
2228 if (ha->flags.running_gold_fw)
2232 * Startup the kernel thread for this host adapter
2234 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
2235 "%s_dpc", base_vha->host_str);
2236 if (IS_ERR(ha->dpc_thread)) {
2237 qla_printk(KERN_WARNING, ha,
2238 "Unable to start DPC thread!\n");
2239 ret = PTR_ERR(ha->dpc_thread);
2244 list_add_tail(&base_vha->list, &ha->vp_list);
2245 base_vha->host->irq = ha->pdev->irq;
2247 /* Initialized the timer */
2248 qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
2250 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
2251 base_vha->host_no, ha));
2253 if ((IS_QLA25XX(ha) || IS_QLA81XX(ha)) && ql2xenabledif) {
2254 if (ha->fw_attributes & BIT_4) {
2255 base_vha->flags.difdix_supported = 1;
2256 DEBUG18(qla_printk(KERN_INFO, ha,
2257 "Registering for DIF/DIX type 1 and 3"
2259 scsi_host_set_prot(host,
2260 SHOST_DIF_TYPE1_PROTECTION
2261 | SHOST_DIF_TYPE2_PROTECTION
2262 | SHOST_DIF_TYPE3_PROTECTION
2263 | SHOST_DIX_TYPE1_PROTECTION
2264 | SHOST_DIX_TYPE2_PROTECTION
2265 | SHOST_DIX_TYPE3_PROTECTION);
2266 scsi_host_set_guard(host, SHOST_DIX_GUARD_CRC);
2268 base_vha->flags.difdix_supported = 0;
2271 ha->isp_ops->enable_intrs(ha);
2273 ret = scsi_add_host(host, &pdev->dev);
2277 base_vha->flags.init_done = 1;
2278 base_vha->flags.online = 1;
2280 scsi_scan_host(host);
2282 qla2x00_alloc_sysfs_attr(base_vha);
2284 qla2x00_init_host_attr(base_vha);
2286 qla2x00_dfs_setup(base_vha);
2288 qla_printk(KERN_INFO, ha, "\n"
2289 " QLogic Fibre Channel HBA Driver: %s\n"
2291 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
2292 qla2x00_version_str, ha->model_number,
2293 ha->model_desc ? ha->model_desc : "", pdev->device,
2294 ha->isp_ops->pci_info_str(base_vha, pci_info), pci_name(pdev),
2295 ha->flags.enable_64bit_addressing ? '+' : '-', base_vha->host_no,
2296 ha->isp_ops->fw_version_str(base_vha, fw_str));
2301 qla2x00_free_req_que(ha, req);
2302 qla2x00_free_rsp_que(ha, rsp);
2303 ha->max_req_queues = ha->max_rsp_queues = 0;
2306 if (base_vha->timer_active)
2307 qla2x00_stop_timer(base_vha);
2308 base_vha->flags.online = 0;
2309 if (ha->dpc_thread) {
2310 struct task_struct *t = ha->dpc_thread;
2312 ha->dpc_thread = NULL;
2316 qla2x00_free_device(base_vha);
2318 scsi_host_put(base_vha->host);
2321 if (IS_QLA82XX(ha)) {
2322 qla82xx_idc_lock(ha);
2323 qla82xx_clear_drv_active(ha);
2324 qla82xx_idc_unlock(ha);
2325 iounmap((device_reg_t __iomem *)ha->nx_pcibase);
2327 iounmap((device_reg_t __iomem *)ha->nxdb_wr_ptr);
2330 iounmap(ha->iobase);
2332 pci_release_selected_regions(ha->pdev, ha->bars);
2337 pci_disable_device(pdev);
2342 qla2x00_remove_one(struct pci_dev *pdev)
2344 scsi_qla_host_t *base_vha, *vha;
2345 struct qla_hw_data *ha;
2346 unsigned long flags;
2348 base_vha = pci_get_drvdata(pdev);
2351 spin_lock_irqsave(&ha->vport_slock, flags);
2352 list_for_each_entry(vha, &ha->vp_list, list) {
2353 atomic_inc(&vha->vref_count);
2355 if (vha && vha->fc_vport) {
2356 spin_unlock_irqrestore(&ha->vport_slock, flags);
2358 fc_vport_terminate(vha->fc_vport);
2360 spin_lock_irqsave(&ha->vport_slock, flags);
2363 atomic_dec(&vha->vref_count);
2365 spin_unlock_irqrestore(&ha->vport_slock, flags);
2367 set_bit(UNLOADING, &base_vha->dpc_flags);
2369 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
2371 qla2x00_dfs_remove(base_vha);
2373 qla84xx_put_chip(base_vha);
2376 if (base_vha->timer_active)
2377 qla2x00_stop_timer(base_vha);
2379 base_vha->flags.online = 0;
2381 /* Flush the work queue and remove it */
2383 flush_workqueue(ha->wq);
2384 destroy_workqueue(ha->wq);
2388 /* Kill the kernel thread for this host */
2389 if (ha->dpc_thread) {
2390 struct task_struct *t = ha->dpc_thread;
2393 * qla2xxx_wake_dpc checks for ->dpc_thread
2394 * so we need to zero it out.
2396 ha->dpc_thread = NULL;
2400 qla2x00_free_sysfs_attr(base_vha);
2402 fc_remove_host(base_vha->host);
2404 scsi_remove_host(base_vha->host);
2406 qla2x00_free_device(base_vha);
2408 scsi_host_put(base_vha->host);
2410 if (IS_QLA82XX(ha)) {
2411 qla82xx_idc_lock(ha);
2412 qla82xx_clear_drv_active(ha);
2413 qla82xx_idc_unlock(ha);
2415 iounmap((device_reg_t __iomem *)ha->nx_pcibase);
2417 iounmap((device_reg_t __iomem *)ha->nxdb_wr_ptr);
2420 iounmap(ha->iobase);
2423 iounmap(ha->mqiobase);
2426 pci_release_selected_regions(ha->pdev, ha->bars);
2430 pci_disable_pcie_error_reporting(pdev);
2432 pci_disable_device(pdev);
2433 pci_set_drvdata(pdev, NULL);
2437 qla2x00_free_device(scsi_qla_host_t *vha)
2439 struct qla_hw_data *ha = vha->hw;
2441 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
2444 if (vha->timer_active)
2445 qla2x00_stop_timer(vha);
2447 /* Kill the kernel thread for this host */
2448 if (ha->dpc_thread) {
2449 struct task_struct *t = ha->dpc_thread;
2452 * qla2xxx_wake_dpc checks for ->dpc_thread
2453 * so we need to zero it out.
2455 ha->dpc_thread = NULL;
2459 qla25xx_delete_queues(vha);
2461 if (ha->flags.fce_enabled)
2462 qla2x00_disable_fce_trace(vha, NULL, NULL);
2465 qla2x00_disable_eft_trace(vha);
2467 /* Stop currently executing firmware. */
2468 qla2x00_try_to_stop_firmware(vha);
2470 vha->flags.online = 0;
2472 /* turn-off interrupts on the card */
2473 if (ha->interrupts_on) {
2474 vha->flags.init_done = 0;
2475 ha->isp_ops->disable_intrs(ha);
2478 qla2x00_free_irqs(vha);
2480 qla2x00_free_fcports(vha);
2482 qla2x00_mem_free(ha);
2484 qla2x00_free_queues(ha);
2487 void qla2x00_free_fcports(struct scsi_qla_host *vha)
2489 fc_port_t *fcport, *tfcport;
2491 list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list) {
2492 list_del(&fcport->list);
2499 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
2502 struct fc_rport *rport;
2503 scsi_qla_host_t *base_vha;
2508 rport = fcport->rport;
2510 base_vha = pci_get_drvdata(vha->hw->pdev);
2511 spin_lock_irq(vha->host->host_lock);
2512 fcport->drport = rport;
2513 spin_unlock_irq(vha->host->host_lock);
2514 set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
2515 qla2xxx_wake_dpc(base_vha);
2517 fc_remote_port_delete(rport);
2521 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
2523 * Input: ha = adapter block pointer. fcport = port structure pointer.
2529 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
2530 int do_login, int defer)
2532 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2533 vha->vp_idx == fcport->vp_idx) {
2534 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2535 qla2x00_schedule_rport_del(vha, fcport, defer);
2538 * We may need to retry the login, so don't change the state of the
2539 * port but do the retries.
2541 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
2542 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2547 if (fcport->login_retry == 0) {
2548 fcport->login_retry = vha->hw->login_retry_count;
2549 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2551 DEBUG(printk("scsi(%ld): Port login retry: "
2552 "%02x%02x%02x%02x%02x%02x%02x%02x, "
2553 "id = 0x%04x retry cnt=%d\n",
2555 fcport->port_name[0],
2556 fcport->port_name[1],
2557 fcport->port_name[2],
2558 fcport->port_name[3],
2559 fcport->port_name[4],
2560 fcport->port_name[5],
2561 fcport->port_name[6],
2562 fcport->port_name[7],
2564 fcport->login_retry));
2569 * qla2x00_mark_all_devices_lost
2570 * Updates fcport state when device goes offline.
2573 * ha = adapter block pointer.
2574 * fcport = port structure pointer.
2582 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
2586 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2587 if (vha->vp_idx != 0 && vha->vp_idx != fcport->vp_idx)
2591 * No point in marking the device as lost, if the device is
2594 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
2596 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2598 qla2x00_schedule_rport_del(vha, fcport, defer);
2599 else if (vha->vp_idx == fcport->vp_idx)
2600 qla2x00_schedule_rport_del(vha, fcport, defer);
2602 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2608 * Allocates adapter memory.
2615 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
2616 struct req_que **req, struct rsp_que **rsp)
2620 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
2621 &ha->init_cb_dma, GFP_KERNEL);
2625 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2626 &ha->gid_list_dma, GFP_KERNEL);
2628 goto fail_free_init_cb;
2630 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2631 if (!ha->srb_mempool)
2632 goto fail_free_gid_list;
2634 if (IS_QLA82XX(ha)) {
2635 /* Allocate cache for CT6 Ctx. */
2637 ctx_cachep = kmem_cache_create("qla2xxx_ctx",
2638 sizeof(struct ct6_dsd), 0,
2639 SLAB_HWCACHE_ALIGN, NULL);
2641 goto fail_free_gid_list;
2643 ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ,
2645 if (!ha->ctx_mempool)
2646 goto fail_free_srb_mempool;
2649 /* Get memory for cached NVRAM */
2650 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2652 goto fail_free_ctx_mempool;
2654 snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
2656 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2657 DMA_POOL_SIZE, 8, 0);
2658 if (!ha->s_dma_pool)
2659 goto fail_free_nvram;
2661 if (IS_QLA82XX(ha) || ql2xenabledif) {
2662 ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2663 DSD_LIST_DMA_POOL_SIZE, 8, 0);
2664 if (!ha->dl_dma_pool) {
2665 qla_printk(KERN_WARNING, ha,
2666 "Memory Allocation failed - dl_dma_pool\n");
2667 goto fail_s_dma_pool;
2670 ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2671 FCP_CMND_DMA_POOL_SIZE, 8, 0);
2672 if (!ha->fcp_cmnd_dma_pool) {
2673 qla_printk(KERN_WARNING, ha,
2674 "Memory Allocation failed - fcp_cmnd_dma_pool\n");
2675 goto fail_dl_dma_pool;
2679 /* Allocate memory for SNS commands */
2680 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2681 /* Get consistent memory allocated for SNS commands */
2682 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
2683 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
2687 /* Get consistent memory allocated for MS IOCB */
2688 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2692 /* Get consistent memory allocated for CT SNS commands */
2693 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
2694 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
2696 goto fail_free_ms_iocb;
2699 /* Allocate memory for request ring */
2700 *req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
2702 DEBUG(printk("Unable to allocate memory for req\n"));
2705 (*req)->length = req_len;
2706 (*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
2707 ((*req)->length + 1) * sizeof(request_t),
2708 &(*req)->dma, GFP_KERNEL);
2709 if (!(*req)->ring) {
2710 DEBUG(printk("Unable to allocate memory for req_ring\n"));
2713 /* Allocate memory for response ring */
2714 *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
2716 qla_printk(KERN_WARNING, ha,
2717 "Unable to allocate memory for rsp\n");
2721 (*rsp)->length = rsp_len;
2722 (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
2723 ((*rsp)->length + 1) * sizeof(response_t),
2724 &(*rsp)->dma, GFP_KERNEL);
2725 if (!(*rsp)->ring) {
2726 qla_printk(KERN_WARNING, ha,
2727 "Unable to allocate memory for rsp_ring\n");
2732 /* Allocate memory for NVRAM data for vports */
2733 if (ha->nvram_npiv_size) {
2734 ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
2735 ha->nvram_npiv_size, GFP_KERNEL);
2736 if (!ha->npiv_info) {
2737 qla_printk(KERN_WARNING, ha,
2738 "Unable to allocate memory for npiv info\n");
2739 goto fail_npiv_info;
2742 ha->npiv_info = NULL;
2744 /* Get consistent memory allocated for EX-INIT-CB. */
2745 if (IS_QLA8XXX_TYPE(ha)) {
2746 ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2747 &ha->ex_init_cb_dma);
2748 if (!ha->ex_init_cb)
2749 goto fail_ex_init_cb;
2752 INIT_LIST_HEAD(&ha->gbl_dsd_list);
2754 /* Get consistent memory allocated for Async Port-Database. */
2755 if (!IS_FWI2_CAPABLE(ha)) {
2756 ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2762 INIT_LIST_HEAD(&ha->vp_list);
2766 dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
2768 kfree(ha->npiv_info);
2770 dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
2771 sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
2772 (*rsp)->ring = NULL;
2777 dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
2778 sizeof(request_t), (*req)->ring, (*req)->dma);
2779 (*req)->ring = NULL;
2784 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2785 ha->ct_sns, ha->ct_sns_dma);
2789 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2791 ha->ms_iocb_dma = 0;
2793 if (IS_QLA82XX(ha) || ql2xenabledif) {
2794 dma_pool_destroy(ha->fcp_cmnd_dma_pool);
2795 ha->fcp_cmnd_dma_pool = NULL;
2798 if (IS_QLA82XX(ha) || ql2xenabledif) {
2799 dma_pool_destroy(ha->dl_dma_pool);
2800 ha->dl_dma_pool = NULL;
2803 dma_pool_destroy(ha->s_dma_pool);
2804 ha->s_dma_pool = NULL;
2808 fail_free_ctx_mempool:
2809 mempool_destroy(ha->ctx_mempool);
2810 ha->ctx_mempool = NULL;
2811 fail_free_srb_mempool:
2812 mempool_destroy(ha->srb_mempool);
2813 ha->srb_mempool = NULL;
2815 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2817 ha->gid_list = NULL;
2818 ha->gid_list_dma = 0;
2820 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
2823 ha->init_cb_dma = 0;
2825 DEBUG(printk("%s: Memory allocation failure\n", __func__));
2831 * Frees all adapter allocated memory.
2834 * ha = adapter block pointer.
2837 qla2x00_mem_free(struct qla_hw_data *ha)
2839 if (ha->srb_mempool)
2840 mempool_destroy(ha->srb_mempool);
2843 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
2848 dma_free_coherent(&ha->pdev->dev,
2849 ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
2854 dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
2855 ha->dcbx_tlv, ha->dcbx_tlv_dma);
2858 dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
2859 ha->xgmac_data, ha->xgmac_data_dma);
2862 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2863 ha->sns_cmd, ha->sns_cmd_dma);
2866 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2867 ha->ct_sns, ha->ct_sns_dma);
2870 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2873 dma_pool_free(ha->s_dma_pool, ha->edc_data, ha->edc_data_dma);
2876 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2879 dma_pool_free(ha->s_dma_pool,
2880 ha->ex_init_cb, ha->ex_init_cb_dma);
2883 dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
2886 dma_pool_destroy(ha->s_dma_pool);
2889 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2892 if (IS_QLA82XX(ha)) {
2893 if (!list_empty(&ha->gbl_dsd_list)) {
2894 struct dsd_dma *dsd_ptr, *tdsd_ptr;
2896 /* clean up allocated prev pool */
2897 list_for_each_entry_safe(dsd_ptr,
2898 tdsd_ptr, &ha->gbl_dsd_list, list) {
2899 dma_pool_free(ha->dl_dma_pool,
2900 dsd_ptr->dsd_addr, dsd_ptr->dsd_list_dma);
2901 list_del(&dsd_ptr->list);
2907 if (ha->dl_dma_pool)
2908 dma_pool_destroy(ha->dl_dma_pool);
2910 if (ha->fcp_cmnd_dma_pool)
2911 dma_pool_destroy(ha->fcp_cmnd_dma_pool);
2913 if (ha->ctx_mempool)
2914 mempool_destroy(ha->ctx_mempool);
2917 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2918 ha->init_cb, ha->init_cb_dma);
2919 vfree(ha->optrom_buffer);
2921 kfree(ha->npiv_info);
2923 ha->srb_mempool = NULL;
2924 ha->ctx_mempool = NULL;
2928 ha->sns_cmd_dma = 0;
2932 ha->ms_iocb_dma = 0;
2934 ha->init_cb_dma = 0;
2935 ha->ex_init_cb = NULL;
2936 ha->ex_init_cb_dma = 0;
2937 ha->async_pd = NULL;
2938 ha->async_pd_dma = 0;
2940 ha->s_dma_pool = NULL;
2941 ha->dl_dma_pool = NULL;
2942 ha->fcp_cmnd_dma_pool = NULL;
2944 ha->gid_list = NULL;
2945 ha->gid_list_dma = 0;
2949 ha->fw_dump_reading = 0;
2952 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
2953 struct qla_hw_data *ha)
2955 struct Scsi_Host *host;
2956 struct scsi_qla_host *vha = NULL;
2958 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
2961 "qla2xxx: Couldn't allocate host from scsi layer!\n");
2965 /* Clear our data area */
2966 vha = shost_priv(host);
2967 memset(vha, 0, sizeof(scsi_qla_host_t));
2970 vha->host_no = host->host_no;
2973 INIT_LIST_HEAD(&vha->vp_fcports);
2974 INIT_LIST_HEAD(&vha->work_list);
2975 INIT_LIST_HEAD(&vha->list);
2977 spin_lock_init(&vha->work_lock);
2979 sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
2986 static struct qla_work_evt *
2987 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
2989 struct qla_work_evt *e;
2992 QLA_VHA_MARK_BUSY(vha, bail);
2996 e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
2998 QLA_VHA_MARK_NOT_BUSY(vha);
3002 INIT_LIST_HEAD(&e->list);
3004 e->flags = QLA_EVT_FLAG_FREE;
3009 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
3011 unsigned long flags;
3013 spin_lock_irqsave(&vha->work_lock, flags);
3014 list_add_tail(&e->list, &vha->work_list);
3015 spin_unlock_irqrestore(&vha->work_lock, flags);
3016 qla2xxx_wake_dpc(vha);
3022 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
3025 struct qla_work_evt *e;
3027 e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
3029 return QLA_FUNCTION_FAILED;
3031 e->u.aen.code = code;
3032 e->u.aen.data = data;
3033 return qla2x00_post_work(vha, e);
3037 qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
3039 struct qla_work_evt *e;
3041 e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
3043 return QLA_FUNCTION_FAILED;
3045 memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
3046 return qla2x00_post_work(vha, e);
3049 #define qla2x00_post_async_work(name, type) \
3050 int qla2x00_post_async_##name##_work( \
3051 struct scsi_qla_host *vha, \
3052 fc_port_t *fcport, uint16_t *data) \
3054 struct qla_work_evt *e; \
3056 e = qla2x00_alloc_work(vha, type); \
3058 return QLA_FUNCTION_FAILED; \
3060 e->u.logio.fcport = fcport; \
3062 e->u.logio.data[0] = data[0]; \
3063 e->u.logio.data[1] = data[1]; \
3065 return qla2x00_post_work(vha, e); \
3068 qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
3069 qla2x00_post_async_work(login_done, QLA_EVT_ASYNC_LOGIN_DONE);
3070 qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
3071 qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE);
3072 qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC);
3073 qla2x00_post_async_work(adisc_done, QLA_EVT_ASYNC_ADISC_DONE);
3076 qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
3078 struct qla_work_evt *e;
3080 e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
3082 return QLA_FUNCTION_FAILED;
3084 e->u.uevent.code = code;
3085 return qla2x00_post_work(vha, e);
3089 qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
3091 char event_string[40];
3092 char *envp[] = { event_string, NULL };
3095 case QLA_UEVENT_CODE_FW_DUMP:
3096 snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld",
3103 kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
3107 qla2x00_do_work(struct scsi_qla_host *vha)
3109 struct qla_work_evt *e, *tmp;
3110 unsigned long flags;
3113 spin_lock_irqsave(&vha->work_lock, flags);
3114 list_splice_init(&vha->work_list, &work);
3115 spin_unlock_irqrestore(&vha->work_lock, flags);
3117 list_for_each_entry_safe(e, tmp, &work, list) {
3118 list_del_init(&e->list);
3122 fc_host_post_event(vha->host, fc_get_event_number(),
3123 e->u.aen.code, e->u.aen.data);
3125 case QLA_EVT_IDC_ACK:
3126 qla81xx_idc_ack(vha, e->u.idc_ack.mb);
3128 case QLA_EVT_ASYNC_LOGIN:
3129 qla2x00_async_login(vha, e->u.logio.fcport,
3132 case QLA_EVT_ASYNC_LOGIN_DONE:
3133 qla2x00_async_login_done(vha, e->u.logio.fcport,
3136 case QLA_EVT_ASYNC_LOGOUT:
3137 qla2x00_async_logout(vha, e->u.logio.fcport);
3139 case QLA_EVT_ASYNC_LOGOUT_DONE:
3140 qla2x00_async_logout_done(vha, e->u.logio.fcport,
3143 case QLA_EVT_ASYNC_ADISC:
3144 qla2x00_async_adisc(vha, e->u.logio.fcport,
3147 case QLA_EVT_ASYNC_ADISC_DONE:
3148 qla2x00_async_adisc_done(vha, e->u.logio.fcport,
3151 case QLA_EVT_UEVENT:
3152 qla2x00_uevent_emit(vha, e->u.uevent.code);
3155 if (e->flags & QLA_EVT_FLAG_FREE)
3158 /* For each work completed decrement vha ref count */
3159 QLA_VHA_MARK_NOT_BUSY(vha);
3163 /* Relogins all the fcports of a vport
3164 * Context: dpc thread
3166 void qla2x00_relogin(struct scsi_qla_host *vha)
3170 uint16_t next_loopid = 0;
3171 struct qla_hw_data *ha = vha->hw;
3174 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3176 * If the port is not ONLINE then try to login
3177 * to it if we haven't run out of retries.
3179 if (atomic_read(&fcport->state) != FCS_ONLINE &&
3180 fcport->login_retry && !(fcport->flags & FCF_ASYNC_SENT)) {
3181 fcport->login_retry--;
3182 if (fcport->flags & FCF_FABRIC_DEVICE) {
3183 if (fcport->flags & FCF_FCP2_DEVICE)
3184 ha->isp_ops->fabric_logout(vha,
3186 fcport->d_id.b.domain,
3187 fcport->d_id.b.area,
3188 fcport->d_id.b.al_pa);
3190 if (IS_ALOGIO_CAPABLE(ha)) {
3191 fcport->flags |= FCF_ASYNC_SENT;
3193 data[1] = QLA_LOGIO_LOGIN_RETRIED;
3194 status = qla2x00_post_async_login_work(
3196 if (status == QLA_SUCCESS)
3198 /* Attempt a retry. */
3201 status = qla2x00_fabric_login(vha,
3202 fcport, &next_loopid);
3204 status = qla2x00_local_device_login(vha,
3207 if (status == QLA_SUCCESS) {
3208 fcport->old_loop_id = fcport->loop_id;
3210 DEBUG(printk("scsi(%ld): port login OK: logged "
3211 "in ID 0x%x\n", vha->host_no, fcport->loop_id));
3213 qla2x00_update_fcport(vha, fcport);
3215 } else if (status == 1) {
3216 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
3217 /* retry the login again */
3218 DEBUG(printk("scsi(%ld): Retrying"
3219 " %d login again loop_id 0x%x\n",
3220 vha->host_no, fcport->login_retry,
3223 fcport->login_retry = 0;
3226 if (fcport->login_retry == 0 && status != QLA_SUCCESS)
3227 fcport->loop_id = FC_NO_LOOP_ID;
3229 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3234 /**************************************************************************
3236 * This kernel thread is a task that is schedule by the interrupt handler
3237 * to perform the background processing for interrupts.
3240 * This task always run in the context of a kernel thread. It
3241 * is kick-off by the driver's detect code and starts up
3242 * up one per adapter. It immediately goes to sleep and waits for
3243 * some fibre event. When either the interrupt handler or
3244 * the timer routine detects a event it will one of the task
3245 * bits then wake us up.
3246 **************************************************************************/
3248 qla2x00_do_dpc(void *data)
3251 scsi_qla_host_t *base_vha;
3252 struct qla_hw_data *ha;
3254 ha = (struct qla_hw_data *)data;
3255 base_vha = pci_get_drvdata(ha->pdev);
3257 set_user_nice(current, -20);
3259 while (!kthread_should_stop()) {
3260 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
3262 set_current_state(TASK_INTERRUPTIBLE);
3264 __set_current_state(TASK_RUNNING);
3266 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
3268 /* Initialization not yet finished. Don't do anything yet. */
3269 if (!base_vha->flags.init_done)
3272 if (ha->flags.eeh_busy) {
3273 DEBUG17(qla_printk(KERN_WARNING, ha,
3274 "qla2x00_do_dpc: dpc_flags: %lx\n",
3275 base_vha->dpc_flags));
3279 DEBUG3(printk("scsi(%ld): DPC handler\n", base_vha->host_no));
3283 if (ha->flags.mbox_busy) {
3288 qla2x00_do_work(base_vha);
3290 if (IS_QLA82XX(ha)) {
3291 if (test_and_clear_bit(ISP_UNRECOVERABLE,
3292 &base_vha->dpc_flags)) {
3293 qla82xx_idc_lock(ha);
3294 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3295 QLA82XX_DEV_FAILED);
3296 qla82xx_idc_unlock(ha);
3297 qla_printk(KERN_INFO, ha,
3298 "HW State: FAILED\n");
3299 qla82xx_device_state_handler(base_vha);
3303 if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED,
3304 &base_vha->dpc_flags)) {
3306 DEBUG(printk(KERN_INFO
3307 "scsi(%ld): dpc: sched "
3308 "qla82xx_fcoe_ctx_reset ha = %p\n",
3309 base_vha->host_no, ha));
3310 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
3311 &base_vha->dpc_flags))) {
3312 if (qla82xx_fcoe_ctx_reset(base_vha)) {
3313 /* FCoE-ctx reset failed.
3314 * Escalate to chip-reset
3316 set_bit(ISP_ABORT_NEEDED,
3317 &base_vha->dpc_flags);
3319 clear_bit(ABORT_ISP_ACTIVE,
3320 &base_vha->dpc_flags);
3323 DEBUG(printk("scsi(%ld): dpc:"
3324 " qla82xx_fcoe_ctx_reset end\n",
3325 base_vha->host_no));
3329 if (test_and_clear_bit(ISP_ABORT_NEEDED,
3330 &base_vha->dpc_flags)) {
3332 DEBUG(printk("scsi(%ld): dpc: sched "
3333 "qla2x00_abort_isp ha = %p\n",
3334 base_vha->host_no, ha));
3335 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
3336 &base_vha->dpc_flags))) {
3338 if (ha->isp_ops->abort_isp(base_vha)) {
3339 /* failed. retry later */
3340 set_bit(ISP_ABORT_NEEDED,
3341 &base_vha->dpc_flags);
3343 clear_bit(ABORT_ISP_ACTIVE,
3344 &base_vha->dpc_flags);
3347 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
3348 base_vha->host_no));
3351 if (test_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags)) {
3352 qla2x00_update_fcports(base_vha);
3353 clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
3356 if (test_and_clear_bit(RESET_MARKER_NEEDED,
3357 &base_vha->dpc_flags) &&
3358 (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
3360 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
3361 base_vha->host_no));
3363 qla2x00_rst_aen(base_vha);
3364 clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
3367 /* Retry each device up to login retry count */
3368 if ((test_and_clear_bit(RELOGIN_NEEDED,
3369 &base_vha->dpc_flags)) &&
3370 !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
3371 atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
3373 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
3374 base_vha->host_no));
3375 qla2x00_relogin(base_vha);
3377 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
3378 base_vha->host_no));
3381 if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
3382 &base_vha->dpc_flags)) {
3384 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
3385 base_vha->host_no));
3387 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
3388 &base_vha->dpc_flags))) {
3390 rval = qla2x00_loop_resync(base_vha);
3392 clear_bit(LOOP_RESYNC_ACTIVE,
3393 &base_vha->dpc_flags);
3396 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
3397 base_vha->host_no));
3400 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
3401 atomic_read(&base_vha->loop_state) == LOOP_READY) {
3402 clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
3403 qla2xxx_flash_npiv_conf(base_vha);
3406 if (!ha->interrupts_on)
3407 ha->isp_ops->enable_intrs(ha);
3409 if (test_and_clear_bit(BEACON_BLINK_NEEDED,
3410 &base_vha->dpc_flags))
3411 ha->isp_ops->beacon_blink(base_vha);
3413 qla2x00_do_dpc_all_vps(base_vha);
3416 } /* End of while(1) */
3418 DEBUG(printk("scsi(%ld): DPC handler exiting\n", base_vha->host_no));
3421 * Make sure that nobody tries to wake us up again.
3425 /* Cleanup any residual CTX SRBs. */
3426 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
3432 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
3434 struct qla_hw_data *ha = vha->hw;
3435 struct task_struct *t = ha->dpc_thread;
3437 if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
3443 * Processes asynchronous reset.
3446 * ha = adapter block pointer.
3449 qla2x00_rst_aen(scsi_qla_host_t *vha)
3451 if (vha->flags.online && !vha->flags.reset_active &&
3452 !atomic_read(&vha->loop_down_timer) &&
3453 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
3455 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
3458 * Issue marker command only when we are going to start
3461 vha->marker_needed = 1;
3462 } while (!atomic_read(&vha->loop_down_timer) &&
3463 (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
3468 qla2x00_sp_free_dma(srb_t *sp)
3470 struct scsi_cmnd *cmd = sp->cmd;
3471 struct qla_hw_data *ha = sp->fcport->vha->hw;
3473 if (sp->flags & SRB_DMA_VALID) {
3474 scsi_dma_unmap(cmd);
3475 sp->flags &= ~SRB_DMA_VALID;
3478 if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
3479 dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
3480 scsi_prot_sg_count(cmd), cmd->sc_data_direction);
3481 sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
3484 if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
3485 /* List assured to be having elements */
3486 qla2x00_clean_dsd_pool(ha, sp);
3487 sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
3490 if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
3491 dma_pool_free(ha->dl_dma_pool, sp->ctx,
3492 ((struct crc_context *)sp->ctx)->crc_ctx_dma);
3493 sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
3500 qla2x00_sp_final_compl(struct qla_hw_data *ha, srb_t *sp)
3502 struct scsi_cmnd *cmd = sp->cmd;
3504 qla2x00_sp_free_dma(sp);
3506 if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
3507 struct ct6_dsd *ctx = sp->ctx;
3508 dma_pool_free(ha->fcp_cmnd_dma_pool, ctx->fcp_cmnd,
3510 list_splice(&ctx->dsd_list, &ha->gbl_dsd_list);
3511 ha->gbl_dsd_inuse -= ctx->dsd_use_cnt;
3512 ha->gbl_dsd_avail += ctx->dsd_use_cnt;
3513 mempool_free(sp->ctx, ha->ctx_mempool);
3517 mempool_free(sp, ha->srb_mempool);
3518 cmd->scsi_done(cmd);
3522 qla2x00_sp_compl(struct qla_hw_data *ha, srb_t *sp)
3524 if (atomic_read(&sp->ref_count) == 0) {
3525 DEBUG2(qla_printk(KERN_WARNING, ha,
3526 "SP reference-count to ZERO -- sp=%p\n", sp));
3530 if (!atomic_dec_and_test(&sp->ref_count))
3532 qla2x00_sp_final_compl(ha, sp);
3535 /**************************************************************************
3541 * Context: Interrupt
3542 ***************************************************************************/
3544 qla2x00_timer(scsi_qla_host_t *vha)
3546 unsigned long cpu_flags = 0;
3553 struct qla_hw_data *ha = vha->hw;
3554 struct req_que *req;
3557 qla82xx_watchdog(vha);
3559 /* Hardware read to raise pending EEH errors during mailbox waits. */
3560 if (!pci_channel_offline(ha->pdev))
3561 pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
3563 * Ports - Port down timer.
3565 * Whenever, a port is in the LOST state we start decrementing its port
3566 * down timer every second until it reaches zero. Once it reaches zero
3567 * the port it marked DEAD.
3570 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3571 if (fcport->port_type != FCT_TARGET)
3574 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
3576 if (atomic_read(&fcport->port_down_timer) == 0)
3579 if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
3580 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
3582 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
3585 t, atomic_read(&fcport->port_down_timer)));
3588 } /* End of for fcport */
3591 /* Loop down handler. */
3592 if (atomic_read(&vha->loop_down_timer) > 0 &&
3593 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
3594 && vha->flags.online) {
3596 if (atomic_read(&vha->loop_down_timer) ==
3597 vha->loop_down_abort_time) {
3599 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
3600 "queues before time expire\n",
3603 if (!IS_QLA2100(ha) && vha->link_down_timeout)
3604 atomic_set(&vha->loop_state, LOOP_DEAD);
3607 * Schedule an ISP abort to return any FCP2-device
3610 /* NPIV - scan physical port only */
3612 spin_lock_irqsave(&ha->hardware_lock,
3614 req = ha->req_q_map[0];
3616 index < MAX_OUTSTANDING_COMMANDS;
3620 sp = req->outstanding_cmds[index];
3623 if (sp->ctx && !IS_PROT_IO(sp))
3626 if (!(sfcp->flags & FCF_FCP2_DEVICE))
3629 set_bit(ISP_ABORT_NEEDED,
3633 spin_unlock_irqrestore(&ha->hardware_lock,
3639 /* if the loop has been down for 4 minutes, reinit adapter */
3640 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
3641 if (!(vha->device_flags & DFLG_NO_CABLE)) {
3642 DEBUG(printk("scsi(%ld): Loop down - "
3645 qla_printk(KERN_WARNING, ha,
3646 "Loop down - aborting ISP.\n");
3648 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3651 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
3653 atomic_read(&vha->loop_down_timer)));
3656 /* Check if beacon LED needs to be blinked */
3657 if (ha->beacon_blink_led == 1) {
3658 set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
3662 /* Process any deferred work. */
3663 if (!list_empty(&vha->work_list))
3666 /* Schedule the DPC routine if needed */
3667 if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
3668 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
3669 test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
3671 test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
3672 test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
3673 test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) ||
3674 test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
3675 test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
3676 test_bit(RELOGIN_NEEDED, &vha->dpc_flags)))
3677 qla2xxx_wake_dpc(vha);
3679 qla2x00_restart_timer(vha, WATCH_INTERVAL);
3682 /* Firmware interface routines. */
3685 #define FW_ISP21XX 0
3686 #define FW_ISP22XX 1
3687 #define FW_ISP2300 2
3688 #define FW_ISP2322 3
3689 #define FW_ISP24XX 4
3690 #define FW_ISP25XX 5
3691 #define FW_ISP81XX 6
3692 #define FW_ISP82XX 7
3694 #define FW_FILE_ISP21XX "ql2100_fw.bin"
3695 #define FW_FILE_ISP22XX "ql2200_fw.bin"
3696 #define FW_FILE_ISP2300 "ql2300_fw.bin"
3697 #define FW_FILE_ISP2322 "ql2322_fw.bin"
3698 #define FW_FILE_ISP24XX "ql2400_fw.bin"
3699 #define FW_FILE_ISP25XX "ql2500_fw.bin"
3700 #define FW_FILE_ISP81XX "ql8100_fw.bin"
3701 #define FW_FILE_ISP82XX "ql8200_fw.bin"
3703 static DEFINE_MUTEX(qla_fw_lock);
3705 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
3706 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
3707 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
3708 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
3709 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
3710 { .name = FW_FILE_ISP24XX, },
3711 { .name = FW_FILE_ISP25XX, },
3712 { .name = FW_FILE_ISP81XX, },
3713 { .name = FW_FILE_ISP82XX, },
3717 qla2x00_request_firmware(scsi_qla_host_t *vha)
3719 struct qla_hw_data *ha = vha->hw;
3720 struct fw_blob *blob;
3723 if (IS_QLA2100(ha)) {
3724 blob = &qla_fw_blobs[FW_ISP21XX];
3725 } else if (IS_QLA2200(ha)) {
3726 blob = &qla_fw_blobs[FW_ISP22XX];
3727 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
3728 blob = &qla_fw_blobs[FW_ISP2300];
3729 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
3730 blob = &qla_fw_blobs[FW_ISP2322];
3731 } else if (IS_QLA24XX_TYPE(ha)) {
3732 blob = &qla_fw_blobs[FW_ISP24XX];
3733 } else if (IS_QLA25XX(ha)) {
3734 blob = &qla_fw_blobs[FW_ISP25XX];
3735 } else if (IS_QLA81XX(ha)) {
3736 blob = &qla_fw_blobs[FW_ISP81XX];
3737 } else if (IS_QLA82XX(ha)) {
3738 blob = &qla_fw_blobs[FW_ISP82XX];
3741 mutex_lock(&qla_fw_lock);
3745 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
3746 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
3747 "(%s).\n", vha->host_no, blob->name));
3754 mutex_unlock(&qla_fw_lock);
3759 qla2x00_release_firmware(void)
3763 mutex_lock(&qla_fw_lock);
3764 for (idx = 0; idx < FW_BLOBS; idx++)
3765 if (qla_fw_blobs[idx].fw)
3766 release_firmware(qla_fw_blobs[idx].fw);
3767 mutex_unlock(&qla_fw_lock);
3770 static pci_ers_result_t
3771 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
3773 scsi_qla_host_t *vha = pci_get_drvdata(pdev);
3774 struct qla_hw_data *ha = vha->hw;
3776 DEBUG2(qla_printk(KERN_WARNING, ha, "error_detected:state %x\n",
3780 case pci_channel_io_normal:
3781 ha->flags.eeh_busy = 0;
3782 return PCI_ERS_RESULT_CAN_RECOVER;
3783 case pci_channel_io_frozen:
3784 ha->flags.eeh_busy = 1;
3785 qla2x00_free_irqs(vha);
3786 pci_disable_device(pdev);
3787 return PCI_ERS_RESULT_NEED_RESET;
3788 case pci_channel_io_perm_failure:
3789 ha->flags.pci_channel_io_perm_failure = 1;
3790 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
3791 return PCI_ERS_RESULT_DISCONNECT;
3793 return PCI_ERS_RESULT_NEED_RESET;
3796 static pci_ers_result_t
3797 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
3799 int risc_paused = 0;
3801 unsigned long flags;
3802 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3803 struct qla_hw_data *ha = base_vha->hw;
3804 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3805 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
3807 spin_lock_irqsave(&ha->hardware_lock, flags);
3808 if (IS_QLA2100(ha) || IS_QLA2200(ha)){
3809 stat = RD_REG_DWORD(®->hccr);
3810 if (stat & HCCR_RISC_PAUSE)
3812 } else if (IS_QLA23XX(ha)) {
3813 stat = RD_REG_DWORD(®->u.isp2300.host_status);
3814 if (stat & HSR_RISC_PAUSED)
3816 } else if (IS_FWI2_CAPABLE(ha)) {
3817 stat = RD_REG_DWORD(®24->host_status);
3818 if (stat & HSRX_RISC_PAUSED)
3821 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3824 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
3825 "Dumping firmware!\n");
3826 ha->isp_ops->fw_dump(base_vha, 0);
3828 return PCI_ERS_RESULT_NEED_RESET;
3830 return PCI_ERS_RESULT_RECOVERED;
3833 static pci_ers_result_t
3834 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
3836 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
3837 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3838 struct qla_hw_data *ha = base_vha->hw;
3839 struct rsp_que *rsp;
3840 int rc, retries = 10;
3842 DEBUG17(qla_printk(KERN_WARNING, ha, "slot_reset\n"));
3844 /* Workaround: qla2xxx driver which access hardware earlier
3845 * needs error state to be pci_channel_io_online.
3846 * Otherwise mailbox command timesout.
3848 pdev->error_state = pci_channel_io_normal;
3850 pci_restore_state(pdev);
3852 /* pci_restore_state() clears the saved_state flag of the device
3853 * save restored state which resets saved_state flag
3855 pci_save_state(pdev);
3858 rc = pci_enable_device_mem(pdev);
3860 rc = pci_enable_device(pdev);
3863 qla_printk(KERN_WARNING, ha,
3864 "Can't re-enable PCI device after reset.\n");
3868 rsp = ha->rsp_q_map[0];
3869 if (qla2x00_request_irqs(ha, rsp))
3872 if (ha->isp_ops->pci_config(base_vha))
3875 while (ha->flags.mbox_busy && retries--)
3878 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3879 if (ha->isp_ops->abort_isp(base_vha) == QLA_SUCCESS)
3880 ret = PCI_ERS_RESULT_RECOVERED;
3881 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3884 DEBUG17(qla_printk(KERN_WARNING, ha,
3885 "slot_reset-return:ret=%x\n", ret));
3891 qla2xxx_pci_resume(struct pci_dev *pdev)
3893 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3894 struct qla_hw_data *ha = base_vha->hw;
3897 DEBUG17(qla_printk(KERN_WARNING, ha, "pci_resume\n"));
3899 ret = qla2x00_wait_for_hba_online(base_vha);
3900 if (ret != QLA_SUCCESS) {
3901 qla_printk(KERN_ERR, ha,
3902 "the device failed to resume I/O "
3903 "from slot/link_reset");
3906 pci_cleanup_aer_uncorrect_error_status(pdev);
3908 ha->flags.eeh_busy = 0;
3911 static struct pci_error_handlers qla2xxx_err_handler = {
3912 .error_detected = qla2xxx_pci_error_detected,
3913 .mmio_enabled = qla2xxx_pci_mmio_enabled,
3914 .slot_reset = qla2xxx_pci_slot_reset,
3915 .resume = qla2xxx_pci_resume,
3918 static struct pci_device_id qla2xxx_pci_tbl[] = {
3919 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
3920 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
3921 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
3922 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
3923 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
3924 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
3925 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
3926 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
3927 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
3928 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
3929 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
3930 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
3931 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
3932 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
3933 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) },
3936 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
3938 static struct pci_driver qla2xxx_pci_driver = {
3939 .name = QLA2XXX_DRIVER_NAME,
3941 .owner = THIS_MODULE,
3943 .id_table = qla2xxx_pci_tbl,
3944 .probe = qla2x00_probe_one,
3945 .remove = qla2x00_remove_one,
3946 .err_handler = &qla2xxx_err_handler,
3949 static struct file_operations apidev_fops = {
3950 .owner = THIS_MODULE,
3954 * qla2x00_module_init - Module initialization.
3957 qla2x00_module_init(void)
3961 /* Allocate cache for SRBs. */
3962 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
3963 SLAB_HWCACHE_ALIGN, NULL);
3964 if (srb_cachep == NULL) {
3966 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
3970 /* Derive version string. */
3971 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
3972 if (ql2xextended_error_logging)
3973 strcat(qla2x00_version_str, "-debug");
3975 qla2xxx_transport_template =
3976 fc_attach_transport(&qla2xxx_transport_functions);
3977 if (!qla2xxx_transport_template) {
3978 kmem_cache_destroy(srb_cachep);
3982 apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops);
3983 if (apidev_major < 0) {
3984 printk(KERN_WARNING "qla2xxx: Unable to register char device "
3985 "%s\n", QLA2XXX_APIDEV);
3988 qla2xxx_transport_vport_template =
3989 fc_attach_transport(&qla2xxx_transport_vport_functions);
3990 if (!qla2xxx_transport_vport_template) {
3991 kmem_cache_destroy(srb_cachep);
3992 fc_release_transport(qla2xxx_transport_template);
3996 printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n",
3997 qla2x00_version_str);
3998 ret = pci_register_driver(&qla2xxx_pci_driver);
4000 kmem_cache_destroy(srb_cachep);
4001 fc_release_transport(qla2xxx_transport_template);
4002 fc_release_transport(qla2xxx_transport_vport_template);
4008 * qla2x00_module_exit - Module cleanup.
4011 qla2x00_module_exit(void)
4013 unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
4014 pci_unregister_driver(&qla2xxx_pci_driver);
4015 qla2x00_release_firmware();
4016 kmem_cache_destroy(srb_cachep);
4018 kmem_cache_destroy(ctx_cachep);
4019 fc_release_transport(qla2xxx_transport_template);
4020 fc_release_transport(qla2xxx_transport_vport_template);
4023 module_init(qla2x00_module_init);
4024 module_exit(qla2x00_module_exit);
4026 MODULE_AUTHOR("QLogic Corporation");
4027 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
4028 MODULE_LICENSE("GPL");
4029 MODULE_VERSION(QLA2XXX_VERSION);
4030 MODULE_FIRMWARE(FW_FILE_ISP21XX);
4031 MODULE_FIRMWARE(FW_FILE_ISP22XX);
4032 MODULE_FIRMWARE(FW_FILE_ISP2300);
4033 MODULE_FIRMWARE(FW_FILE_ISP2322);
4034 MODULE_FIRMWARE(FW_FILE_ISP24XX);
4035 MODULE_FIRMWARE(FW_FILE_ISP25XX);