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Merge branch 'fix/asoc' into for-linus
[deliverable/linux.git] / drivers / scsi / qla2xxx / qla_os.c
1 /*
2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2008 QLogic Corporation
4 *
5 * See LICENSE.qla2xxx for copyright and licensing details.
6 */
7 #include "qla_def.h"
8
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
15 #include <scsi/scsi_tcq.h>
16 #include <scsi/scsicam.h>
17 #include <scsi/scsi_transport.h>
18 #include <scsi/scsi_transport_fc.h>
19
20 /*
21 * Driver version
22 */
23 char qla2x00_version_str[40];
24
25 /*
26 * SRB allocation cache
27 */
28 static struct kmem_cache *srb_cachep;
29
30 int ql2xlogintimeout = 20;
31 module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR);
32 MODULE_PARM_DESC(ql2xlogintimeout,
33 "Login timeout value in seconds.");
34
35 int qlport_down_retry;
36 module_param(qlport_down_retry, int, S_IRUGO|S_IRUSR);
37 MODULE_PARM_DESC(qlport_down_retry,
38 "Maximum number of command retries to a port that returns "
39 "a PORT-DOWN status.");
40
41 int ql2xplogiabsentdevice;
42 module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
43 MODULE_PARM_DESC(ql2xplogiabsentdevice,
44 "Option to enable PLOGI to devices that are not present after "
45 "a Fabric scan. This is needed for several broken switches. "
46 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
47
48 int ql2xloginretrycount = 0;
49 module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR);
50 MODULE_PARM_DESC(ql2xloginretrycount,
51 "Specify an alternate value for the NVRAM login retry count.");
52
53 int ql2xallocfwdump = 1;
54 module_param(ql2xallocfwdump, int, S_IRUGO|S_IRUSR);
55 MODULE_PARM_DESC(ql2xallocfwdump,
56 "Option to enable allocation of memory for a firmware dump "
57 "during HBA initialization. Memory allocation requirements "
58 "vary by ISP type. Default is 1 - allocate memory.");
59
60 int ql2xextended_error_logging;
61 module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
62 MODULE_PARM_DESC(ql2xextended_error_logging,
63 "Option to enable extended error logging, "
64 "Default is 0 - no logging. 1 - log errors.");
65
66 static void qla2x00_free_device(scsi_qla_host_t *);
67
68 int ql2xfdmienable=1;
69 module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR);
70 MODULE_PARM_DESC(ql2xfdmienable,
71 "Enables FDMI registratons "
72 "Default is 0 - no FDMI. 1 - perfom FDMI.");
73
74 #define MAX_Q_DEPTH 32
75 static int ql2xmaxqdepth = MAX_Q_DEPTH;
76 module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
77 MODULE_PARM_DESC(ql2xmaxqdepth,
78 "Maximum queue depth to report for target devices.");
79
80 int ql2xqfullrampup = 120;
81 module_param(ql2xqfullrampup, int, S_IRUGO|S_IWUSR);
82 MODULE_PARM_DESC(ql2xqfullrampup,
83 "Number of seconds to wait to begin to ramp-up the queue "
84 "depth for a device after a queue-full condition has been "
85 "detected. Default is 120 seconds.");
86
87 int ql2xiidmaenable=1;
88 module_param(ql2xiidmaenable, int, S_IRUGO|S_IRUSR);
89 MODULE_PARM_DESC(ql2xiidmaenable,
90 "Enables iIDMA settings "
91 "Default is 1 - perform iIDMA. 0 - no iIDMA.");
92
93 int ql2xmaxqueues = 1;
94 module_param(ql2xmaxqueues, int, S_IRUGO|S_IRUSR);
95 MODULE_PARM_DESC(ql2xmaxqueues,
96 "Enables MQ settings "
97 "Default is 1 for single queue. Set it to number \
98 of queues in MQ mode.");
99 /*
100 * SCSI host template entry points
101 */
102 static int qla2xxx_slave_configure(struct scsi_device * device);
103 static int qla2xxx_slave_alloc(struct scsi_device *);
104 static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
105 static void qla2xxx_scan_start(struct Scsi_Host *);
106 static void qla2xxx_slave_destroy(struct scsi_device *);
107 static int qla2xxx_queuecommand(struct scsi_cmnd *cmd,
108 void (*fn)(struct scsi_cmnd *));
109 static int qla2xxx_eh_abort(struct scsi_cmnd *);
110 static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
111 static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
112 static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
113 static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
114
115 static int qla2x00_change_queue_depth(struct scsi_device *, int);
116 static int qla2x00_change_queue_type(struct scsi_device *, int);
117
118 struct scsi_host_template qla2xxx_driver_template = {
119 .module = THIS_MODULE,
120 .name = QLA2XXX_DRIVER_NAME,
121 .queuecommand = qla2xxx_queuecommand,
122
123 .eh_abort_handler = qla2xxx_eh_abort,
124 .eh_device_reset_handler = qla2xxx_eh_device_reset,
125 .eh_target_reset_handler = qla2xxx_eh_target_reset,
126 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
127 .eh_host_reset_handler = qla2xxx_eh_host_reset,
128
129 .slave_configure = qla2xxx_slave_configure,
130
131 .slave_alloc = qla2xxx_slave_alloc,
132 .slave_destroy = qla2xxx_slave_destroy,
133 .scan_finished = qla2xxx_scan_finished,
134 .scan_start = qla2xxx_scan_start,
135 .change_queue_depth = qla2x00_change_queue_depth,
136 .change_queue_type = qla2x00_change_queue_type,
137 .this_id = -1,
138 .cmd_per_lun = 3,
139 .use_clustering = ENABLE_CLUSTERING,
140 .sg_tablesize = SG_ALL,
141
142 .max_sectors = 0xFFFF,
143 .shost_attrs = qla2x00_host_attrs,
144 };
145
146 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
147 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
148
149 /* TODO Convert to inlines
150 *
151 * Timer routines
152 */
153
154 __inline__ void
155 qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval)
156 {
157 init_timer(&vha->timer);
158 vha->timer.expires = jiffies + interval * HZ;
159 vha->timer.data = (unsigned long)vha;
160 vha->timer.function = (void (*)(unsigned long))func;
161 add_timer(&vha->timer);
162 vha->timer_active = 1;
163 }
164
165 static inline void
166 qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
167 {
168 mod_timer(&vha->timer, jiffies + interval * HZ);
169 }
170
171 static __inline__ void
172 qla2x00_stop_timer(scsi_qla_host_t *vha)
173 {
174 del_timer_sync(&vha->timer);
175 vha->timer_active = 0;
176 }
177
178 static int qla2x00_do_dpc(void *data);
179
180 static void qla2x00_rst_aen(scsi_qla_host_t *);
181
182 static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
183 struct req_que **, struct rsp_que **);
184 static void qla2x00_mem_free(struct qla_hw_data *);
185 static void qla2x00_sp_free_dma(srb_t *);
186
187 /* -------------------------------------------------------------------------- */
188 static int qla2x00_alloc_queues(struct qla_hw_data *ha)
189 {
190 ha->req_q_map = kzalloc(sizeof(struct req_que *) * ha->max_queues,
191 GFP_KERNEL);
192 if (!ha->req_q_map) {
193 qla_printk(KERN_WARNING, ha,
194 "Unable to allocate memory for request queue ptrs\n");
195 goto fail_req_map;
196 }
197
198 ha->rsp_q_map = kzalloc(sizeof(struct rsp_que *) * ha->max_queues,
199 GFP_KERNEL);
200 if (!ha->rsp_q_map) {
201 qla_printk(KERN_WARNING, ha,
202 "Unable to allocate memory for response queue ptrs\n");
203 goto fail_rsp_map;
204 }
205 set_bit(0, ha->rsp_qid_map);
206 set_bit(0, ha->req_qid_map);
207 return 1;
208
209 fail_rsp_map:
210 kfree(ha->req_q_map);
211 ha->req_q_map = NULL;
212 fail_req_map:
213 return -ENOMEM;
214 }
215
216 static void qla2x00_free_que(struct qla_hw_data *ha, struct req_que *req,
217 struct rsp_que *rsp)
218 {
219 if (rsp && rsp->ring)
220 dma_free_coherent(&ha->pdev->dev,
221 (rsp->length + 1) * sizeof(response_t),
222 rsp->ring, rsp->dma);
223
224 kfree(rsp);
225 rsp = NULL;
226 if (req && req->ring)
227 dma_free_coherent(&ha->pdev->dev,
228 (req->length + 1) * sizeof(request_t),
229 req->ring, req->dma);
230
231 kfree(req);
232 req = NULL;
233 }
234
235 static void qla2x00_free_queues(struct qla_hw_data *ha)
236 {
237 struct req_que *req;
238 struct rsp_que *rsp;
239 int cnt;
240
241 for (cnt = 0; cnt < ha->max_queues; cnt++) {
242 rsp = ha->rsp_q_map[cnt];
243 req = ha->req_q_map[cnt];
244 qla2x00_free_que(ha, req, rsp);
245 }
246 kfree(ha->rsp_q_map);
247 ha->rsp_q_map = NULL;
248
249 kfree(ha->req_q_map);
250 ha->req_q_map = NULL;
251 }
252
253 static char *
254 qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
255 {
256 struct qla_hw_data *ha = vha->hw;
257 static char *pci_bus_modes[] = {
258 "33", "66", "100", "133",
259 };
260 uint16_t pci_bus;
261
262 strcpy(str, "PCI");
263 pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
264 if (pci_bus) {
265 strcat(str, "-X (");
266 strcat(str, pci_bus_modes[pci_bus]);
267 } else {
268 pci_bus = (ha->pci_attr & BIT_8) >> 8;
269 strcat(str, " (");
270 strcat(str, pci_bus_modes[pci_bus]);
271 }
272 strcat(str, " MHz)");
273
274 return (str);
275 }
276
277 static char *
278 qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
279 {
280 static char *pci_bus_modes[] = { "33", "66", "100", "133", };
281 struct qla_hw_data *ha = vha->hw;
282 uint32_t pci_bus;
283 int pcie_reg;
284
285 pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
286 if (pcie_reg) {
287 char lwstr[6];
288 uint16_t pcie_lstat, lspeed, lwidth;
289
290 pcie_reg += 0x12;
291 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
292 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
293 lwidth = (pcie_lstat &
294 (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
295
296 strcpy(str, "PCIe (");
297 if (lspeed == 1)
298 strcat(str, "2.5GT/s ");
299 else if (lspeed == 2)
300 strcat(str, "5.0GT/s ");
301 else
302 strcat(str, "<unknown> ");
303 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
304 strcat(str, lwstr);
305
306 return str;
307 }
308
309 strcpy(str, "PCI");
310 pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
311 if (pci_bus == 0 || pci_bus == 8) {
312 strcat(str, " (");
313 strcat(str, pci_bus_modes[pci_bus >> 3]);
314 } else {
315 strcat(str, "-X ");
316 if (pci_bus & BIT_2)
317 strcat(str, "Mode 2");
318 else
319 strcat(str, "Mode 1");
320 strcat(str, " (");
321 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
322 }
323 strcat(str, " MHz)");
324
325 return str;
326 }
327
328 static char *
329 qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str)
330 {
331 char un_str[10];
332 struct qla_hw_data *ha = vha->hw;
333
334 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
335 ha->fw_minor_version,
336 ha->fw_subminor_version);
337
338 if (ha->fw_attributes & BIT_9) {
339 strcat(str, "FLX");
340 return (str);
341 }
342
343 switch (ha->fw_attributes & 0xFF) {
344 case 0x7:
345 strcat(str, "EF");
346 break;
347 case 0x17:
348 strcat(str, "TP");
349 break;
350 case 0x37:
351 strcat(str, "IP");
352 break;
353 case 0x77:
354 strcat(str, "VI");
355 break;
356 default:
357 sprintf(un_str, "(%x)", ha->fw_attributes);
358 strcat(str, un_str);
359 break;
360 }
361 if (ha->fw_attributes & 0x100)
362 strcat(str, "X");
363
364 return (str);
365 }
366
367 static char *
368 qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str)
369 {
370 struct qla_hw_data *ha = vha->hw;
371
372 sprintf(str, "%d.%02d.%02d (%x)", ha->fw_major_version,
373 ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
374 return str;
375 }
376
377 static inline srb_t *
378 qla2x00_get_new_sp(scsi_qla_host_t *vha, fc_port_t *fcport,
379 struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
380 {
381 srb_t *sp;
382 struct qla_hw_data *ha = vha->hw;
383
384 sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
385 if (!sp)
386 return sp;
387
388 sp->fcport = fcport;
389 sp->cmd = cmd;
390 sp->que = ha->req_q_map[0];
391 sp->flags = 0;
392 CMD_SP(cmd) = (void *)sp;
393 cmd->scsi_done = done;
394
395 return sp;
396 }
397
398 static int
399 qla2xxx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
400 {
401 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
402 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
403 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
404 struct qla_hw_data *ha = vha->hw;
405 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
406 srb_t *sp;
407 int rval;
408
409 if (unlikely(pci_channel_offline(ha->pdev))) {
410 if (ha->pdev->error_state == pci_channel_io_frozen)
411 cmd->result = DID_REQUEUE << 16;
412 else
413 cmd->result = DID_NO_CONNECT << 16;
414 goto qc24_fail_command;
415 }
416
417 rval = fc_remote_port_chkready(rport);
418 if (rval) {
419 cmd->result = rval;
420 goto qc24_fail_command;
421 }
422
423 /* Close window on fcport/rport state-transitioning. */
424 if (fcport->drport)
425 goto qc24_target_busy;
426
427 if (atomic_read(&fcport->state) != FCS_ONLINE) {
428 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
429 atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
430 cmd->result = DID_NO_CONNECT << 16;
431 goto qc24_fail_command;
432 }
433 goto qc24_target_busy;
434 }
435
436 spin_unlock_irq(vha->host->host_lock);
437
438 sp = qla2x00_get_new_sp(base_vha, fcport, cmd, done);
439 if (!sp)
440 goto qc24_host_busy_lock;
441
442 rval = ha->isp_ops->start_scsi(sp);
443 if (rval != QLA_SUCCESS)
444 goto qc24_host_busy_free_sp;
445
446 spin_lock_irq(vha->host->host_lock);
447
448 return 0;
449
450 qc24_host_busy_free_sp:
451 qla2x00_sp_free_dma(sp);
452 mempool_free(sp, ha->srb_mempool);
453
454 qc24_host_busy_lock:
455 spin_lock_irq(vha->host->host_lock);
456 return SCSI_MLQUEUE_HOST_BUSY;
457
458 qc24_target_busy:
459 return SCSI_MLQUEUE_TARGET_BUSY;
460
461 qc24_fail_command:
462 done(cmd);
463
464 return 0;
465 }
466
467
468 /*
469 * qla2x00_eh_wait_on_command
470 * Waits for the command to be returned by the Firmware for some
471 * max time.
472 *
473 * Input:
474 * cmd = Scsi Command to wait on.
475 *
476 * Return:
477 * Not Found : 0
478 * Found : 1
479 */
480 static int
481 qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
482 {
483 #define ABORT_POLLING_PERIOD 1000
484 #define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
485 unsigned long wait_iter = ABORT_WAIT_ITER;
486 int ret = QLA_SUCCESS;
487
488 while (CMD_SP(cmd)) {
489 msleep(ABORT_POLLING_PERIOD);
490
491 if (--wait_iter)
492 break;
493 }
494 if (CMD_SP(cmd))
495 ret = QLA_FUNCTION_FAILED;
496
497 return ret;
498 }
499
500 /*
501 * qla2x00_wait_for_hba_online
502 * Wait till the HBA is online after going through
503 * <= MAX_RETRIES_OF_ISP_ABORT or
504 * finally HBA is disabled ie marked offline
505 *
506 * Input:
507 * ha - pointer to host adapter structure
508 *
509 * Note:
510 * Does context switching-Release SPIN_LOCK
511 * (if any) before calling this routine.
512 *
513 * Return:
514 * Success (Adapter is online) : 0
515 * Failed (Adapter is offline/disabled) : 1
516 */
517 int
518 qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
519 {
520 int return_status;
521 unsigned long wait_online;
522 struct qla_hw_data *ha = vha->hw;
523 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
524
525 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
526 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
527 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
528 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
529 ha->dpc_active) && time_before(jiffies, wait_online)) {
530
531 msleep(1000);
532 }
533 if (base_vha->flags.online)
534 return_status = QLA_SUCCESS;
535 else
536 return_status = QLA_FUNCTION_FAILED;
537
538 return (return_status);
539 }
540
541 int
542 qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
543 {
544 int return_status;
545 unsigned long wait_reset;
546 struct qla_hw_data *ha = vha->hw;
547 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
548
549 wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
550 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
551 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
552 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
553 ha->dpc_active) && time_before(jiffies, wait_reset)) {
554
555 msleep(1000);
556
557 if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
558 ha->flags.chip_reset_done)
559 break;
560 }
561 if (ha->flags.chip_reset_done)
562 return_status = QLA_SUCCESS;
563 else
564 return_status = QLA_FUNCTION_FAILED;
565
566 return return_status;
567 }
568
569 /*
570 * qla2x00_wait_for_loop_ready
571 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
572 * to be in LOOP_READY state.
573 * Input:
574 * ha - pointer to host adapter structure
575 *
576 * Note:
577 * Does context switching-Release SPIN_LOCK
578 * (if any) before calling this routine.
579 *
580 *
581 * Return:
582 * Success (LOOP_READY) : 0
583 * Failed (LOOP_NOT_READY) : 1
584 */
585 static inline int
586 qla2x00_wait_for_loop_ready(scsi_qla_host_t *vha)
587 {
588 int return_status = QLA_SUCCESS;
589 unsigned long loop_timeout ;
590 struct qla_hw_data *ha = vha->hw;
591 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
592
593 /* wait for 5 min at the max for loop to be ready */
594 loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
595
596 while ((!atomic_read(&base_vha->loop_down_timer) &&
597 atomic_read(&base_vha->loop_state) == LOOP_DOWN) ||
598 atomic_read(&base_vha->loop_state) != LOOP_READY) {
599 if (atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
600 return_status = QLA_FUNCTION_FAILED;
601 break;
602 }
603 msleep(1000);
604 if (time_after_eq(jiffies, loop_timeout)) {
605 return_status = QLA_FUNCTION_FAILED;
606 break;
607 }
608 }
609 return (return_status);
610 }
611
612 void
613 qla2x00_abort_fcport_cmds(fc_port_t *fcport)
614 {
615 int cnt, que, id;
616 unsigned long flags;
617 srb_t *sp;
618 scsi_qla_host_t *vha = fcport->vha;
619 struct qla_hw_data *ha = vha->hw;
620 struct req_que *req;
621
622 spin_lock_irqsave(&ha->hardware_lock, flags);
623 for (que = 0; que < QLA_MAX_HOST_QUES; que++) {
624 id = vha->req_ques[que];
625 req = ha->req_q_map[id];
626 if (!req)
627 continue;
628 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
629 sp = req->outstanding_cmds[cnt];
630 if (!sp)
631 continue;
632 if (sp->fcport != fcport)
633 continue;
634
635 spin_unlock_irqrestore(&ha->hardware_lock, flags);
636 if (ha->isp_ops->abort_command(vha, sp, req)) {
637 DEBUG2(qla_printk(KERN_WARNING, ha,
638 "Abort failed -- %lx\n",
639 sp->cmd->serial_number));
640 } else {
641 if (qla2x00_eh_wait_on_command(sp->cmd) !=
642 QLA_SUCCESS)
643 DEBUG2(qla_printk(KERN_WARNING, ha,
644 "Abort failed while waiting -- %lx\n",
645 sp->cmd->serial_number));
646 }
647 spin_lock_irqsave(&ha->hardware_lock, flags);
648 }
649 }
650 spin_unlock_irqrestore(&ha->hardware_lock, flags);
651 }
652
653 static void
654 qla2x00_block_error_handler(struct scsi_cmnd *cmnd)
655 {
656 struct Scsi_Host *shost = cmnd->device->host;
657 struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device));
658 unsigned long flags;
659
660 spin_lock_irqsave(shost->host_lock, flags);
661 while (rport->port_state == FC_PORTSTATE_BLOCKED) {
662 spin_unlock_irqrestore(shost->host_lock, flags);
663 msleep(1000);
664 spin_lock_irqsave(shost->host_lock, flags);
665 }
666 spin_unlock_irqrestore(shost->host_lock, flags);
667 return;
668 }
669
670 /**************************************************************************
671 * qla2xxx_eh_abort
672 *
673 * Description:
674 * The abort function will abort the specified command.
675 *
676 * Input:
677 * cmd = Linux SCSI command packet to be aborted.
678 *
679 * Returns:
680 * Either SUCCESS or FAILED.
681 *
682 * Note:
683 * Only return FAILED if command not returned by firmware.
684 **************************************************************************/
685 static int
686 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
687 {
688 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
689 srb_t *sp;
690 int ret, i;
691 unsigned int id, lun;
692 unsigned long serial;
693 unsigned long flags;
694 int wait = 0;
695 struct qla_hw_data *ha = vha->hw;
696 struct req_que *req;
697 srb_t *spt;
698
699 qla2x00_block_error_handler(cmd);
700
701 if (!CMD_SP(cmd))
702 return SUCCESS;
703
704 ret = SUCCESS;
705
706 id = cmd->device->id;
707 lun = cmd->device->lun;
708 serial = cmd->serial_number;
709 spt = (srb_t *) CMD_SP(cmd);
710 if (!spt)
711 return SUCCESS;
712 req = spt->que;
713
714 /* Check active list for command command. */
715 spin_lock_irqsave(&ha->hardware_lock, flags);
716 for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
717 sp = req->outstanding_cmds[i];
718
719 if (sp == NULL)
720 continue;
721
722 if (sp->cmd != cmd)
723 continue;
724
725 DEBUG2(printk("%s(%ld): aborting sp %p from RISC."
726 " pid=%ld.\n", __func__, vha->host_no, sp, serial));
727
728 spin_unlock_irqrestore(&ha->hardware_lock, flags);
729 if (ha->isp_ops->abort_command(vha, sp, req)) {
730 DEBUG2(printk("%s(%ld): abort_command "
731 "mbx failed.\n", __func__, vha->host_no));
732 ret = FAILED;
733 } else {
734 DEBUG3(printk("%s(%ld): abort_command "
735 "mbx success.\n", __func__, vha->host_no));
736 wait = 1;
737 }
738 spin_lock_irqsave(&ha->hardware_lock, flags);
739 break;
740 }
741 spin_unlock_irqrestore(&ha->hardware_lock, flags);
742
743 /* Wait for the command to be returned. */
744 if (wait) {
745 if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
746 qla_printk(KERN_ERR, ha,
747 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
748 "%x.\n", vha->host_no, id, lun, serial, ret);
749 ret = FAILED;
750 }
751 }
752
753 qla_printk(KERN_INFO, ha,
754 "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
755 vha->host_no, id, lun, wait, serial, ret);
756
757 return ret;
758 }
759
760 enum nexus_wait_type {
761 WAIT_HOST = 0,
762 WAIT_TARGET,
763 WAIT_LUN,
764 };
765
766 static int
767 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
768 unsigned int l, srb_t *sp, enum nexus_wait_type type)
769 {
770 int cnt, match, status;
771 unsigned long flags;
772 struct qla_hw_data *ha = vha->hw;
773 struct req_que *req;
774
775 status = QLA_SUCCESS;
776 if (!sp)
777 return status;
778
779 spin_lock_irqsave(&ha->hardware_lock, flags);
780 req = sp->que;
781 for (cnt = 1; status == QLA_SUCCESS &&
782 cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
783 sp = req->outstanding_cmds[cnt];
784 if (!sp)
785 continue;
786
787 if (vha->vp_idx != sp->fcport->vha->vp_idx)
788 continue;
789 match = 0;
790 switch (type) {
791 case WAIT_HOST:
792 match = 1;
793 break;
794 case WAIT_TARGET:
795 match = sp->cmd->device->id == t;
796 break;
797 case WAIT_LUN:
798 match = (sp->cmd->device->id == t &&
799 sp->cmd->device->lun == l);
800 break;
801 }
802 if (!match)
803 continue;
804
805 spin_unlock_irqrestore(&ha->hardware_lock, flags);
806 status = qla2x00_eh_wait_on_command(sp->cmd);
807 spin_lock_irqsave(&ha->hardware_lock, flags);
808 }
809 spin_unlock_irqrestore(&ha->hardware_lock, flags);
810
811 return status;
812 }
813
814 static char *reset_errors[] = {
815 "HBA not online",
816 "HBA not ready",
817 "Task management failed",
818 "Waiting for command completions",
819 };
820
821 static int
822 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
823 struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int))
824 {
825 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
826 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
827 int err;
828
829 qla2x00_block_error_handler(cmd);
830
831 if (!fcport)
832 return FAILED;
833
834 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET ISSUED.\n",
835 vha->host_no, cmd->device->id, cmd->device->lun, name);
836
837 err = 0;
838 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
839 goto eh_reset_failed;
840 err = 1;
841 if (qla2x00_wait_for_loop_ready(vha) != QLA_SUCCESS)
842 goto eh_reset_failed;
843 err = 2;
844 if (do_reset(fcport, cmd->device->lun) != QLA_SUCCESS)
845 goto eh_reset_failed;
846 err = 3;
847 if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
848 cmd->device->lun, (srb_t *) CMD_SP(cmd), type) != QLA_SUCCESS)
849 goto eh_reset_failed;
850
851 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n",
852 vha->host_no, cmd->device->id, cmd->device->lun, name);
853
854 return SUCCESS;
855
856 eh_reset_failed:
857 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n"
858 , vha->host_no, cmd->device->id, cmd->device->lun, name,
859 reset_errors[err]);
860 return FAILED;
861 }
862
863 static int
864 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
865 {
866 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
867 struct qla_hw_data *ha = vha->hw;
868
869 return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
870 ha->isp_ops->lun_reset);
871 }
872
873 static int
874 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
875 {
876 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
877 struct qla_hw_data *ha = vha->hw;
878
879 return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
880 ha->isp_ops->target_reset);
881 }
882
883 /**************************************************************************
884 * qla2xxx_eh_bus_reset
885 *
886 * Description:
887 * The bus reset function will reset the bus and abort any executing
888 * commands.
889 *
890 * Input:
891 * cmd = Linux SCSI command packet of the command that cause the
892 * bus reset.
893 *
894 * Returns:
895 * SUCCESS/FAILURE (defined as macro in scsi.h).
896 *
897 **************************************************************************/
898 static int
899 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
900 {
901 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
902 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
903 int ret = FAILED;
904 unsigned int id, lun;
905 unsigned long serial;
906 srb_t *sp = (srb_t *) CMD_SP(cmd);
907
908 qla2x00_block_error_handler(cmd);
909
910 id = cmd->device->id;
911 lun = cmd->device->lun;
912 serial = cmd->serial_number;
913
914 if (!fcport)
915 return ret;
916
917 qla_printk(KERN_INFO, vha->hw,
918 "scsi(%ld:%d:%d): BUS RESET ISSUED.\n", vha->host_no, id, lun);
919
920 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
921 DEBUG2(printk("%s failed:board disabled\n",__func__));
922 goto eh_bus_reset_done;
923 }
924
925 if (qla2x00_wait_for_loop_ready(vha) == QLA_SUCCESS) {
926 if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
927 ret = SUCCESS;
928 }
929 if (ret == FAILED)
930 goto eh_bus_reset_done;
931
932 /* Flush outstanding commands. */
933 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) !=
934 QLA_SUCCESS)
935 ret = FAILED;
936
937 eh_bus_reset_done:
938 qla_printk(KERN_INFO, vha->hw, "%s: reset %s\n", __func__,
939 (ret == FAILED) ? "failed" : "succeded");
940
941 return ret;
942 }
943
944 /**************************************************************************
945 * qla2xxx_eh_host_reset
946 *
947 * Description:
948 * The reset function will reset the Adapter.
949 *
950 * Input:
951 * cmd = Linux SCSI command packet of the command that cause the
952 * adapter reset.
953 *
954 * Returns:
955 * Either SUCCESS or FAILED.
956 *
957 * Note:
958 **************************************************************************/
959 static int
960 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
961 {
962 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
963 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
964 struct qla_hw_data *ha = vha->hw;
965 int ret = FAILED;
966 unsigned int id, lun;
967 unsigned long serial;
968 srb_t *sp = (srb_t *) CMD_SP(cmd);
969 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
970
971 qla2x00_block_error_handler(cmd);
972
973 id = cmd->device->id;
974 lun = cmd->device->lun;
975 serial = cmd->serial_number;
976
977 if (!fcport)
978 return ret;
979
980 qla_printk(KERN_INFO, ha,
981 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", vha->host_no, id, lun);
982
983 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
984 goto eh_host_reset_lock;
985
986 /*
987 * Fixme-may be dpc thread is active and processing
988 * loop_resync,so wait a while for it to
989 * be completed and then issue big hammer.Otherwise
990 * it may cause I/O failure as big hammer marks the
991 * devices as lost kicking of the port_down_timer
992 * while dpc is stuck for the mailbox to complete.
993 */
994 qla2x00_wait_for_loop_ready(vha);
995 if (vha != base_vha) {
996 if (qla2x00_vp_abort_isp(vha))
997 goto eh_host_reset_lock;
998 } else {
999 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1000 if (qla2x00_abort_isp(base_vha)) {
1001 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1002 /* failed. schedule dpc to try */
1003 set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1004
1005 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
1006 goto eh_host_reset_lock;
1007 }
1008 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1009 }
1010
1011 /* Waiting for command to be returned to OS.*/
1012 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) ==
1013 QLA_SUCCESS)
1014 ret = SUCCESS;
1015
1016 eh_host_reset_lock:
1017 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1018 (ret == FAILED) ? "failed" : "succeded");
1019
1020 return ret;
1021 }
1022
1023 /*
1024 * qla2x00_loop_reset
1025 * Issue loop reset.
1026 *
1027 * Input:
1028 * ha = adapter block pointer.
1029 *
1030 * Returns:
1031 * 0 = success
1032 */
1033 int
1034 qla2x00_loop_reset(scsi_qla_host_t *vha)
1035 {
1036 int ret;
1037 struct fc_port *fcport;
1038 struct qla_hw_data *ha = vha->hw;
1039
1040 if (ha->flags.enable_lip_full_login && !vha->vp_idx) {
1041 ret = qla2x00_full_login_lip(vha);
1042 if (ret != QLA_SUCCESS) {
1043 DEBUG2_3(printk("%s(%ld): failed: "
1044 "full_login_lip=%d.\n", __func__, vha->host_no,
1045 ret));
1046 }
1047 atomic_set(&vha->loop_state, LOOP_DOWN);
1048 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1049 qla2x00_mark_all_devices_lost(vha, 0);
1050 qla2x00_wait_for_loop_ready(vha);
1051 }
1052
1053 if (ha->flags.enable_lip_reset && !vha->vp_idx) {
1054 ret = qla2x00_lip_reset(vha);
1055 if (ret != QLA_SUCCESS) {
1056 DEBUG2_3(printk("%s(%ld): failed: "
1057 "lip_reset=%d.\n", __func__, vha->host_no, ret));
1058 } else
1059 qla2x00_wait_for_loop_ready(vha);
1060 }
1061
1062 if (ha->flags.enable_target_reset) {
1063 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1064 if (fcport->port_type != FCT_TARGET)
1065 continue;
1066
1067 ret = ha->isp_ops->target_reset(fcport, 0);
1068 if (ret != QLA_SUCCESS) {
1069 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1070 "target_reset=%d d_id=%x.\n", __func__,
1071 vha->host_no, ret, fcport->d_id.b24));
1072 }
1073 }
1074 }
1075 /* Issue marker command only when we are going to start the I/O */
1076 vha->marker_needed = 1;
1077
1078 return QLA_SUCCESS;
1079 }
1080
1081 void
1082 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1083 {
1084 int que, cnt;
1085 unsigned long flags;
1086 srb_t *sp;
1087 struct qla_hw_data *ha = vha->hw;
1088 struct req_que *req;
1089
1090 spin_lock_irqsave(&ha->hardware_lock, flags);
1091 for (que = 0; que < ha->max_queues; que++) {
1092 req = ha->req_q_map[que];
1093 if (!req)
1094 continue;
1095 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1096 sp = req->outstanding_cmds[cnt];
1097 if (sp) {
1098 req->outstanding_cmds[cnt] = NULL;
1099 sp->cmd->result = res;
1100 qla2x00_sp_compl(ha, sp);
1101 }
1102 }
1103 }
1104 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1105 }
1106
1107 static int
1108 qla2xxx_slave_alloc(struct scsi_device *sdev)
1109 {
1110 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1111
1112 if (!rport || fc_remote_port_chkready(rport))
1113 return -ENXIO;
1114
1115 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1116
1117 return 0;
1118 }
1119
1120 static int
1121 qla2xxx_slave_configure(struct scsi_device *sdev)
1122 {
1123 scsi_qla_host_t *vha = shost_priv(sdev->host);
1124 struct qla_hw_data *ha = vha->hw;
1125 struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1126 struct req_que *req = ha->req_q_map[vha->req_ques[0]];
1127
1128 if (sdev->tagged_supported)
1129 scsi_activate_tcq(sdev, req->max_q_depth);
1130 else
1131 scsi_deactivate_tcq(sdev, req->max_q_depth);
1132
1133 rport->dev_loss_tmo = ha->port_down_retry_count;
1134
1135 return 0;
1136 }
1137
1138 static void
1139 qla2xxx_slave_destroy(struct scsi_device *sdev)
1140 {
1141 sdev->hostdata = NULL;
1142 }
1143
1144 static int
1145 qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
1146 {
1147 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1148 return sdev->queue_depth;
1149 }
1150
1151 static int
1152 qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1153 {
1154 if (sdev->tagged_supported) {
1155 scsi_set_tag_type(sdev, tag_type);
1156 if (tag_type)
1157 scsi_activate_tcq(sdev, sdev->queue_depth);
1158 else
1159 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1160 } else
1161 tag_type = 0;
1162
1163 return tag_type;
1164 }
1165
1166 /**
1167 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1168 * @ha: HA context
1169 *
1170 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1171 * supported addressing method.
1172 */
1173 static void
1174 qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1175 {
1176 /* Assume a 32bit DMA mask. */
1177 ha->flags.enable_64bit_addressing = 0;
1178
1179 if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1180 /* Any upper-dword bits set? */
1181 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1182 !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
1183 /* Ok, a 64bit DMA mask is applicable. */
1184 ha->flags.enable_64bit_addressing = 1;
1185 ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1186 ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1187 return;
1188 }
1189 }
1190
1191 dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1192 pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1193 }
1194
1195 static void
1196 qla2x00_enable_intrs(struct qla_hw_data *ha)
1197 {
1198 unsigned long flags = 0;
1199 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1200
1201 spin_lock_irqsave(&ha->hardware_lock, flags);
1202 ha->interrupts_on = 1;
1203 /* enable risc and host interrupts */
1204 WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1205 RD_REG_WORD(&reg->ictrl);
1206 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1207
1208 }
1209
1210 static void
1211 qla2x00_disable_intrs(struct qla_hw_data *ha)
1212 {
1213 unsigned long flags = 0;
1214 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1215
1216 spin_lock_irqsave(&ha->hardware_lock, flags);
1217 ha->interrupts_on = 0;
1218 /* disable risc and host interrupts */
1219 WRT_REG_WORD(&reg->ictrl, 0);
1220 RD_REG_WORD(&reg->ictrl);
1221 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1222 }
1223
1224 static void
1225 qla24xx_enable_intrs(struct qla_hw_data *ha)
1226 {
1227 unsigned long flags = 0;
1228 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1229
1230 spin_lock_irqsave(&ha->hardware_lock, flags);
1231 ha->interrupts_on = 1;
1232 WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1233 RD_REG_DWORD(&reg->ictrl);
1234 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1235 }
1236
1237 static void
1238 qla24xx_disable_intrs(struct qla_hw_data *ha)
1239 {
1240 unsigned long flags = 0;
1241 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1242
1243 if (IS_NOPOLLING_TYPE(ha))
1244 return;
1245 spin_lock_irqsave(&ha->hardware_lock, flags);
1246 ha->interrupts_on = 0;
1247 WRT_REG_DWORD(&reg->ictrl, 0);
1248 RD_REG_DWORD(&reg->ictrl);
1249 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1250 }
1251
1252 static struct isp_operations qla2100_isp_ops = {
1253 .pci_config = qla2100_pci_config,
1254 .reset_chip = qla2x00_reset_chip,
1255 .chip_diag = qla2x00_chip_diag,
1256 .config_rings = qla2x00_config_rings,
1257 .reset_adapter = qla2x00_reset_adapter,
1258 .nvram_config = qla2x00_nvram_config,
1259 .update_fw_options = qla2x00_update_fw_options,
1260 .load_risc = qla2x00_load_risc,
1261 .pci_info_str = qla2x00_pci_info_str,
1262 .fw_version_str = qla2x00_fw_version_str,
1263 .intr_handler = qla2100_intr_handler,
1264 .enable_intrs = qla2x00_enable_intrs,
1265 .disable_intrs = qla2x00_disable_intrs,
1266 .abort_command = qla2x00_abort_command,
1267 .target_reset = qla2x00_abort_target,
1268 .lun_reset = qla2x00_lun_reset,
1269 .fabric_login = qla2x00_login_fabric,
1270 .fabric_logout = qla2x00_fabric_logout,
1271 .calc_req_entries = qla2x00_calc_iocbs_32,
1272 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1273 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1274 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1275 .read_nvram = qla2x00_read_nvram_data,
1276 .write_nvram = qla2x00_write_nvram_data,
1277 .fw_dump = qla2100_fw_dump,
1278 .beacon_on = NULL,
1279 .beacon_off = NULL,
1280 .beacon_blink = NULL,
1281 .read_optrom = qla2x00_read_optrom_data,
1282 .write_optrom = qla2x00_write_optrom_data,
1283 .get_flash_version = qla2x00_get_flash_version,
1284 .start_scsi = qla2x00_start_scsi,
1285 };
1286
1287 static struct isp_operations qla2300_isp_ops = {
1288 .pci_config = qla2300_pci_config,
1289 .reset_chip = qla2x00_reset_chip,
1290 .chip_diag = qla2x00_chip_diag,
1291 .config_rings = qla2x00_config_rings,
1292 .reset_adapter = qla2x00_reset_adapter,
1293 .nvram_config = qla2x00_nvram_config,
1294 .update_fw_options = qla2x00_update_fw_options,
1295 .load_risc = qla2x00_load_risc,
1296 .pci_info_str = qla2x00_pci_info_str,
1297 .fw_version_str = qla2x00_fw_version_str,
1298 .intr_handler = qla2300_intr_handler,
1299 .enable_intrs = qla2x00_enable_intrs,
1300 .disable_intrs = qla2x00_disable_intrs,
1301 .abort_command = qla2x00_abort_command,
1302 .target_reset = qla2x00_abort_target,
1303 .lun_reset = qla2x00_lun_reset,
1304 .fabric_login = qla2x00_login_fabric,
1305 .fabric_logout = qla2x00_fabric_logout,
1306 .calc_req_entries = qla2x00_calc_iocbs_32,
1307 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1308 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1309 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1310 .read_nvram = qla2x00_read_nvram_data,
1311 .write_nvram = qla2x00_write_nvram_data,
1312 .fw_dump = qla2300_fw_dump,
1313 .beacon_on = qla2x00_beacon_on,
1314 .beacon_off = qla2x00_beacon_off,
1315 .beacon_blink = qla2x00_beacon_blink,
1316 .read_optrom = qla2x00_read_optrom_data,
1317 .write_optrom = qla2x00_write_optrom_data,
1318 .get_flash_version = qla2x00_get_flash_version,
1319 .start_scsi = qla2x00_start_scsi,
1320 };
1321
1322 static struct isp_operations qla24xx_isp_ops = {
1323 .pci_config = qla24xx_pci_config,
1324 .reset_chip = qla24xx_reset_chip,
1325 .chip_diag = qla24xx_chip_diag,
1326 .config_rings = qla24xx_config_rings,
1327 .reset_adapter = qla24xx_reset_adapter,
1328 .nvram_config = qla24xx_nvram_config,
1329 .update_fw_options = qla24xx_update_fw_options,
1330 .load_risc = qla24xx_load_risc,
1331 .pci_info_str = qla24xx_pci_info_str,
1332 .fw_version_str = qla24xx_fw_version_str,
1333 .intr_handler = qla24xx_intr_handler,
1334 .enable_intrs = qla24xx_enable_intrs,
1335 .disable_intrs = qla24xx_disable_intrs,
1336 .abort_command = qla24xx_abort_command,
1337 .target_reset = qla24xx_abort_target,
1338 .lun_reset = qla24xx_lun_reset,
1339 .fabric_login = qla24xx_login_fabric,
1340 .fabric_logout = qla24xx_fabric_logout,
1341 .calc_req_entries = NULL,
1342 .build_iocbs = NULL,
1343 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1344 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1345 .read_nvram = qla24xx_read_nvram_data,
1346 .write_nvram = qla24xx_write_nvram_data,
1347 .fw_dump = qla24xx_fw_dump,
1348 .beacon_on = qla24xx_beacon_on,
1349 .beacon_off = qla24xx_beacon_off,
1350 .beacon_blink = qla24xx_beacon_blink,
1351 .read_optrom = qla24xx_read_optrom_data,
1352 .write_optrom = qla24xx_write_optrom_data,
1353 .get_flash_version = qla24xx_get_flash_version,
1354 .start_scsi = qla24xx_start_scsi,
1355 };
1356
1357 static struct isp_operations qla25xx_isp_ops = {
1358 .pci_config = qla25xx_pci_config,
1359 .reset_chip = qla24xx_reset_chip,
1360 .chip_diag = qla24xx_chip_diag,
1361 .config_rings = qla24xx_config_rings,
1362 .reset_adapter = qla24xx_reset_adapter,
1363 .nvram_config = qla24xx_nvram_config,
1364 .update_fw_options = qla24xx_update_fw_options,
1365 .load_risc = qla24xx_load_risc,
1366 .pci_info_str = qla24xx_pci_info_str,
1367 .fw_version_str = qla24xx_fw_version_str,
1368 .intr_handler = qla24xx_intr_handler,
1369 .enable_intrs = qla24xx_enable_intrs,
1370 .disable_intrs = qla24xx_disable_intrs,
1371 .abort_command = qla24xx_abort_command,
1372 .target_reset = qla24xx_abort_target,
1373 .lun_reset = qla24xx_lun_reset,
1374 .fabric_login = qla24xx_login_fabric,
1375 .fabric_logout = qla24xx_fabric_logout,
1376 .calc_req_entries = NULL,
1377 .build_iocbs = NULL,
1378 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1379 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1380 .read_nvram = qla25xx_read_nvram_data,
1381 .write_nvram = qla25xx_write_nvram_data,
1382 .fw_dump = qla25xx_fw_dump,
1383 .beacon_on = qla24xx_beacon_on,
1384 .beacon_off = qla24xx_beacon_off,
1385 .beacon_blink = qla24xx_beacon_blink,
1386 .read_optrom = qla25xx_read_optrom_data,
1387 .write_optrom = qla24xx_write_optrom_data,
1388 .get_flash_version = qla24xx_get_flash_version,
1389 .start_scsi = qla24xx_start_scsi,
1390 };
1391
1392 static struct isp_operations qla81xx_isp_ops = {
1393 .pci_config = qla25xx_pci_config,
1394 .reset_chip = qla24xx_reset_chip,
1395 .chip_diag = qla24xx_chip_diag,
1396 .config_rings = qla24xx_config_rings,
1397 .reset_adapter = qla24xx_reset_adapter,
1398 .nvram_config = qla81xx_nvram_config,
1399 .update_fw_options = qla81xx_update_fw_options,
1400 .load_risc = qla81xx_load_risc,
1401 .pci_info_str = qla24xx_pci_info_str,
1402 .fw_version_str = qla24xx_fw_version_str,
1403 .intr_handler = qla24xx_intr_handler,
1404 .enable_intrs = qla24xx_enable_intrs,
1405 .disable_intrs = qla24xx_disable_intrs,
1406 .abort_command = qla24xx_abort_command,
1407 .target_reset = qla24xx_abort_target,
1408 .lun_reset = qla24xx_lun_reset,
1409 .fabric_login = qla24xx_login_fabric,
1410 .fabric_logout = qla24xx_fabric_logout,
1411 .calc_req_entries = NULL,
1412 .build_iocbs = NULL,
1413 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1414 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1415 .read_nvram = NULL,
1416 .write_nvram = NULL,
1417 .fw_dump = qla81xx_fw_dump,
1418 .beacon_on = qla24xx_beacon_on,
1419 .beacon_off = qla24xx_beacon_off,
1420 .beacon_blink = qla24xx_beacon_blink,
1421 .read_optrom = qla25xx_read_optrom_data,
1422 .write_optrom = qla24xx_write_optrom_data,
1423 .get_flash_version = qla24xx_get_flash_version,
1424 .start_scsi = qla24xx_start_scsi,
1425 };
1426
1427 static inline void
1428 qla2x00_set_isp_flags(struct qla_hw_data *ha)
1429 {
1430 ha->device_type = DT_EXTENDED_IDS;
1431 switch (ha->pdev->device) {
1432 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1433 ha->device_type |= DT_ISP2100;
1434 ha->device_type &= ~DT_EXTENDED_IDS;
1435 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1436 break;
1437 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1438 ha->device_type |= DT_ISP2200;
1439 ha->device_type &= ~DT_EXTENDED_IDS;
1440 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1441 break;
1442 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1443 ha->device_type |= DT_ISP2300;
1444 ha->device_type |= DT_ZIO_SUPPORTED;
1445 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1446 break;
1447 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1448 ha->device_type |= DT_ISP2312;
1449 ha->device_type |= DT_ZIO_SUPPORTED;
1450 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1451 break;
1452 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1453 ha->device_type |= DT_ISP2322;
1454 ha->device_type |= DT_ZIO_SUPPORTED;
1455 if (ha->pdev->subsystem_vendor == 0x1028 &&
1456 ha->pdev->subsystem_device == 0x0170)
1457 ha->device_type |= DT_OEM_001;
1458 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1459 break;
1460 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1461 ha->device_type |= DT_ISP6312;
1462 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1463 break;
1464 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1465 ha->device_type |= DT_ISP6322;
1466 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1467 break;
1468 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1469 ha->device_type |= DT_ISP2422;
1470 ha->device_type |= DT_ZIO_SUPPORTED;
1471 ha->device_type |= DT_FWI2;
1472 ha->device_type |= DT_IIDMA;
1473 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1474 break;
1475 case PCI_DEVICE_ID_QLOGIC_ISP2432:
1476 ha->device_type |= DT_ISP2432;
1477 ha->device_type |= DT_ZIO_SUPPORTED;
1478 ha->device_type |= DT_FWI2;
1479 ha->device_type |= DT_IIDMA;
1480 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1481 break;
1482 case PCI_DEVICE_ID_QLOGIC_ISP8432:
1483 ha->device_type |= DT_ISP8432;
1484 ha->device_type |= DT_ZIO_SUPPORTED;
1485 ha->device_type |= DT_FWI2;
1486 ha->device_type |= DT_IIDMA;
1487 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1488 break;
1489 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1490 ha->device_type |= DT_ISP5422;
1491 ha->device_type |= DT_FWI2;
1492 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1493 break;
1494 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1495 ha->device_type |= DT_ISP5432;
1496 ha->device_type |= DT_FWI2;
1497 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1498 break;
1499 case PCI_DEVICE_ID_QLOGIC_ISP2532:
1500 ha->device_type |= DT_ISP2532;
1501 ha->device_type |= DT_ZIO_SUPPORTED;
1502 ha->device_type |= DT_FWI2;
1503 ha->device_type |= DT_IIDMA;
1504 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1505 break;
1506 case PCI_DEVICE_ID_QLOGIC_ISP8001:
1507 ha->device_type |= DT_ISP8001;
1508 ha->device_type |= DT_ZIO_SUPPORTED;
1509 ha->device_type |= DT_FWI2;
1510 ha->device_type |= DT_IIDMA;
1511 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1512 break;
1513 }
1514 }
1515
1516 static int
1517 qla2x00_iospace_config(struct qla_hw_data *ha)
1518 {
1519 resource_size_t pio;
1520 uint16_t msix;
1521
1522 if (pci_request_selected_regions(ha->pdev, ha->bars,
1523 QLA2XXX_DRIVER_NAME)) {
1524 qla_printk(KERN_WARNING, ha,
1525 "Failed to reserve PIO/MMIO regions (%s)\n",
1526 pci_name(ha->pdev));
1527
1528 goto iospace_error_exit;
1529 }
1530 if (!(ha->bars & 1))
1531 goto skip_pio;
1532
1533 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1534 pio = pci_resource_start(ha->pdev, 0);
1535 if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1536 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1537 qla_printk(KERN_WARNING, ha,
1538 "Invalid PCI I/O region size (%s)...\n",
1539 pci_name(ha->pdev));
1540 pio = 0;
1541 }
1542 } else {
1543 qla_printk(KERN_WARNING, ha,
1544 "region #0 not a PIO resource (%s)...\n",
1545 pci_name(ha->pdev));
1546 pio = 0;
1547 }
1548 ha->pio_address = pio;
1549
1550 skip_pio:
1551 /* Use MMIO operations for all accesses. */
1552 if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1553 qla_printk(KERN_ERR, ha,
1554 "region #1 not an MMIO resource (%s), aborting\n",
1555 pci_name(ha->pdev));
1556 goto iospace_error_exit;
1557 }
1558 if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1559 qla_printk(KERN_ERR, ha,
1560 "Invalid PCI mem region size (%s), aborting\n",
1561 pci_name(ha->pdev));
1562 goto iospace_error_exit;
1563 }
1564
1565 ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1566 if (!ha->iobase) {
1567 qla_printk(KERN_ERR, ha,
1568 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1569
1570 goto iospace_error_exit;
1571 }
1572
1573 /* Determine queue resources */
1574 ha->max_queues = 1;
1575 if (ql2xmaxqueues <= 1 || (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
1576 goto mqiobase_exit;
1577 ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1578 pci_resource_len(ha->pdev, 3));
1579 if (ha->mqiobase) {
1580 /* Read MSIX vector size of the board */
1581 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1582 ha->msix_count = msix;
1583 /* Max queues are bounded by available msix vectors */
1584 /* queue 0 uses two msix vectors */
1585 if (ha->msix_count - 1 < ql2xmaxqueues)
1586 ha->max_queues = ha->msix_count - 1;
1587 else if (ql2xmaxqueues > QLA_MQ_SIZE)
1588 ha->max_queues = QLA_MQ_SIZE;
1589 else
1590 ha->max_queues = ql2xmaxqueues;
1591 qla_printk(KERN_INFO, ha,
1592 "MSI-X vector count: %d\n", msix);
1593 }
1594
1595 mqiobase_exit:
1596 ha->msix_count = ha->max_queues + 1;
1597 return (0);
1598
1599 iospace_error_exit:
1600 return (-ENOMEM);
1601 }
1602
1603 static void
1604 qla2xxx_scan_start(struct Scsi_Host *shost)
1605 {
1606 scsi_qla_host_t *vha = shost_priv(shost);
1607
1608 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1609 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1610 set_bit(RSCN_UPDATE, &vha->dpc_flags);
1611 set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
1612 }
1613
1614 static int
1615 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1616 {
1617 scsi_qla_host_t *vha = shost_priv(shost);
1618
1619 if (!vha->host)
1620 return 1;
1621 if (time > vha->hw->loop_reset_delay * HZ)
1622 return 1;
1623
1624 return atomic_read(&vha->loop_state) == LOOP_READY;
1625 }
1626
1627 /*
1628 * PCI driver interface
1629 */
1630 static int __devinit
1631 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1632 {
1633 int ret = -ENODEV;
1634 struct Scsi_Host *host;
1635 scsi_qla_host_t *base_vha = NULL;
1636 struct qla_hw_data *ha;
1637 char pci_info[30];
1638 char fw_str[30];
1639 struct scsi_host_template *sht;
1640 int bars, max_id, mem_only = 0;
1641 uint16_t req_length = 0, rsp_length = 0;
1642 struct req_que *req = NULL;
1643 struct rsp_que *rsp = NULL;
1644
1645 bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
1646 sht = &qla2xxx_driver_template;
1647 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
1648 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
1649 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
1650 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
1651 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
1652 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
1653 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001) {
1654 bars = pci_select_bars(pdev, IORESOURCE_MEM);
1655 mem_only = 1;
1656 }
1657
1658 if (mem_only) {
1659 if (pci_enable_device_mem(pdev))
1660 goto probe_out;
1661 } else {
1662 if (pci_enable_device(pdev))
1663 goto probe_out;
1664 }
1665
1666 /* This may fail but that's ok */
1667 pci_enable_pcie_error_reporting(pdev);
1668
1669 ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
1670 if (!ha) {
1671 DEBUG(printk("Unable to allocate memory for ha\n"));
1672 goto probe_out;
1673 }
1674 ha->pdev = pdev;
1675
1676 /* Clear our data area */
1677 ha->bars = bars;
1678 ha->mem_only = mem_only;
1679 spin_lock_init(&ha->hardware_lock);
1680
1681 /* Set ISP-type information. */
1682 qla2x00_set_isp_flags(ha);
1683 /* Configure PCI I/O space */
1684 ret = qla2x00_iospace_config(ha);
1685 if (ret)
1686 goto probe_hw_failed;
1687
1688 qla_printk(KERN_INFO, ha,
1689 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1690 ha->iobase);
1691
1692 ha->prev_topology = 0;
1693 ha->init_cb_size = sizeof(init_cb_t);
1694 ha->link_data_rate = PORT_SPEED_UNKNOWN;
1695 ha->optrom_size = OPTROM_SIZE_2300;
1696
1697 /* Assign ISP specific operations. */
1698 max_id = MAX_TARGETS_2200;
1699 if (IS_QLA2100(ha)) {
1700 max_id = MAX_TARGETS_2100;
1701 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
1702 req_length = REQUEST_ENTRY_CNT_2100;
1703 rsp_length = RESPONSE_ENTRY_CNT_2100;
1704 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
1705 ha->gid_list_info_size = 4;
1706 ha->flash_conf_off = ~0;
1707 ha->flash_data_off = ~0;
1708 ha->nvram_conf_off = ~0;
1709 ha->nvram_data_off = ~0;
1710 ha->isp_ops = &qla2100_isp_ops;
1711 } else if (IS_QLA2200(ha)) {
1712 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1713 req_length = REQUEST_ENTRY_CNT_2200;
1714 rsp_length = RESPONSE_ENTRY_CNT_2100;
1715 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
1716 ha->gid_list_info_size = 4;
1717 ha->flash_conf_off = ~0;
1718 ha->flash_data_off = ~0;
1719 ha->nvram_conf_off = ~0;
1720 ha->nvram_data_off = ~0;
1721 ha->isp_ops = &qla2100_isp_ops;
1722 } else if (IS_QLA23XX(ha)) {
1723 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1724 req_length = REQUEST_ENTRY_CNT_2200;
1725 rsp_length = RESPONSE_ENTRY_CNT_2300;
1726 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1727 ha->gid_list_info_size = 6;
1728 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1729 ha->optrom_size = OPTROM_SIZE_2322;
1730 ha->flash_conf_off = ~0;
1731 ha->flash_data_off = ~0;
1732 ha->nvram_conf_off = ~0;
1733 ha->nvram_data_off = ~0;
1734 ha->isp_ops = &qla2300_isp_ops;
1735 } else if (IS_QLA24XX_TYPE(ha)) {
1736 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1737 req_length = REQUEST_ENTRY_CNT_24XX;
1738 rsp_length = RESPONSE_ENTRY_CNT_2300;
1739 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1740 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1741 ha->gid_list_info_size = 8;
1742 ha->optrom_size = OPTROM_SIZE_24XX;
1743 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
1744 ha->isp_ops = &qla24xx_isp_ops;
1745 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
1746 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
1747 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
1748 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
1749 } else if (IS_QLA25XX(ha)) {
1750 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1751 req_length = REQUEST_ENTRY_CNT_24XX;
1752 rsp_length = RESPONSE_ENTRY_CNT_2300;
1753 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1754 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1755 ha->gid_list_info_size = 8;
1756 ha->optrom_size = OPTROM_SIZE_25XX;
1757 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
1758 ha->isp_ops = &qla25xx_isp_ops;
1759 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
1760 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
1761 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
1762 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
1763 } else if (IS_QLA81XX(ha)) {
1764 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1765 req_length = REQUEST_ENTRY_CNT_24XX;
1766 rsp_length = RESPONSE_ENTRY_CNT_2300;
1767 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1768 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
1769 ha->gid_list_info_size = 8;
1770 ha->optrom_size = OPTROM_SIZE_81XX;
1771 ha->isp_ops = &qla81xx_isp_ops;
1772 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
1773 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
1774 ha->nvram_conf_off = ~0;
1775 ha->nvram_data_off = ~0;
1776 }
1777
1778 mutex_init(&ha->vport_lock);
1779 init_completion(&ha->mbx_cmd_comp);
1780 complete(&ha->mbx_cmd_comp);
1781 init_completion(&ha->mbx_intr_comp);
1782
1783 set_bit(0, (unsigned long *) ha->vp_idx_map);
1784
1785 qla2x00_config_dma_addressing(ha);
1786 ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
1787 if (!ret) {
1788 qla_printk(KERN_WARNING, ha,
1789 "[ERROR] Failed to allocate memory for adapter\n");
1790
1791 goto probe_hw_failed;
1792 }
1793
1794 req->max_q_depth = MAX_Q_DEPTH;
1795 if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
1796 req->max_q_depth = ql2xmaxqdepth;
1797
1798
1799 base_vha = qla2x00_create_host(sht, ha);
1800 if (!base_vha) {
1801 qla_printk(KERN_WARNING, ha,
1802 "[ERROR] Failed to allocate memory for scsi_host\n");
1803
1804 ret = -ENOMEM;
1805 qla2x00_mem_free(ha);
1806 qla2x00_free_que(ha, req, rsp);
1807 goto probe_hw_failed;
1808 }
1809
1810 pci_set_drvdata(pdev, base_vha);
1811
1812 host = base_vha->host;
1813 base_vha->req_ques[0] = req->id;
1814 host->can_queue = req->length + 128;
1815 if (IS_QLA2XXX_MIDTYPE(ha))
1816 base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
1817 else
1818 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
1819 base_vha->vp_idx;
1820 if (IS_QLA2100(ha))
1821 host->sg_tablesize = 32;
1822 host->max_id = max_id;
1823 host->this_id = 255;
1824 host->cmd_per_lun = 3;
1825 host->unique_id = host->host_no;
1826 host->max_cmd_len = MAX_CMDSZ;
1827 host->max_channel = MAX_BUSES - 1;
1828 host->max_lun = MAX_LUNS;
1829 host->transportt = qla2xxx_transport_template;
1830
1831 /* Set up the irqs */
1832 ret = qla2x00_request_irqs(ha, rsp);
1833 if (ret)
1834 goto probe_init_failed;
1835 /* Alloc arrays of request and response ring ptrs */
1836 if (!qla2x00_alloc_queues(ha)) {
1837 qla_printk(KERN_WARNING, ha,
1838 "[ERROR] Failed to allocate memory for queue"
1839 " pointers\n");
1840 goto probe_init_failed;
1841 }
1842 ha->rsp_q_map[0] = rsp;
1843 ha->req_q_map[0] = req;
1844
1845 /* FWI2-capable only. */
1846 req->req_q_in = &ha->iobase->isp24.req_q_in;
1847 req->req_q_out = &ha->iobase->isp24.req_q_out;
1848 rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
1849 rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
1850 if (ha->mqenable) {
1851 req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
1852 req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
1853 rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
1854 rsp->rsp_q_out = &ha->mqiobase->isp25mq.rsp_q_out;
1855 }
1856
1857 if (qla2x00_initialize_adapter(base_vha)) {
1858 qla_printk(KERN_WARNING, ha,
1859 "Failed to initialize adapter\n");
1860
1861 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1862 "Adapter flags %x.\n",
1863 base_vha->host_no, base_vha->device_flags));
1864
1865 ret = -ENODEV;
1866 goto probe_failed;
1867 }
1868
1869 /*
1870 * Startup the kernel thread for this host adapter
1871 */
1872 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
1873 "%s_dpc", base_vha->host_str);
1874 if (IS_ERR(ha->dpc_thread)) {
1875 qla_printk(KERN_WARNING, ha,
1876 "Unable to start DPC thread!\n");
1877 ret = PTR_ERR(ha->dpc_thread);
1878 goto probe_failed;
1879 }
1880
1881 list_add_tail(&base_vha->list, &ha->vp_list);
1882 base_vha->host->irq = ha->pdev->irq;
1883
1884 /* Initialized the timer */
1885 qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
1886
1887 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
1888 base_vha->host_no, ha));
1889
1890 base_vha->flags.init_done = 1;
1891 base_vha->flags.online = 1;
1892
1893 ret = scsi_add_host(host, &pdev->dev);
1894 if (ret)
1895 goto probe_failed;
1896
1897 ha->isp_ops->enable_intrs(ha);
1898
1899 scsi_scan_host(host);
1900
1901 qla2x00_alloc_sysfs_attr(base_vha);
1902
1903 qla2x00_init_host_attr(base_vha);
1904
1905 qla2x00_dfs_setup(base_vha);
1906
1907 qla_printk(KERN_INFO, ha, "\n"
1908 " QLogic Fibre Channel HBA Driver: %s\n"
1909 " QLogic %s - %s\n"
1910 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
1911 qla2x00_version_str, ha->model_number,
1912 ha->model_desc ? ha->model_desc : "", pdev->device,
1913 ha->isp_ops->pci_info_str(base_vha, pci_info), pci_name(pdev),
1914 ha->flags.enable_64bit_addressing ? '+' : '-', base_vha->host_no,
1915 ha->isp_ops->fw_version_str(base_vha, fw_str));
1916
1917 return 0;
1918
1919 probe_init_failed:
1920 qla2x00_free_que(ha, req, rsp);
1921 ha->max_queues = 0;
1922
1923 probe_failed:
1924 if (base_vha->timer_active)
1925 qla2x00_stop_timer(base_vha);
1926 base_vha->flags.online = 0;
1927 if (ha->dpc_thread) {
1928 struct task_struct *t = ha->dpc_thread;
1929
1930 ha->dpc_thread = NULL;
1931 kthread_stop(t);
1932 }
1933
1934 qla2x00_free_device(base_vha);
1935
1936 scsi_host_put(base_vha->host);
1937
1938 probe_hw_failed:
1939 if (ha->iobase)
1940 iounmap(ha->iobase);
1941
1942 pci_release_selected_regions(ha->pdev, ha->bars);
1943 kfree(ha);
1944 ha = NULL;
1945
1946 probe_out:
1947 pci_disable_device(pdev);
1948 return ret;
1949 }
1950
1951 static void
1952 qla2x00_remove_one(struct pci_dev *pdev)
1953 {
1954 scsi_qla_host_t *base_vha, *vha, *temp;
1955 struct qla_hw_data *ha;
1956
1957 base_vha = pci_get_drvdata(pdev);
1958 ha = base_vha->hw;
1959
1960 list_for_each_entry_safe(vha, temp, &ha->vp_list, list) {
1961 if (vha && vha->fc_vport)
1962 fc_vport_terminate(vha->fc_vport);
1963 }
1964
1965 set_bit(UNLOADING, &base_vha->dpc_flags);
1966
1967 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
1968
1969 qla2x00_dfs_remove(base_vha);
1970
1971 qla84xx_put_chip(base_vha);
1972
1973 /* Disable timer */
1974 if (base_vha->timer_active)
1975 qla2x00_stop_timer(base_vha);
1976
1977 base_vha->flags.online = 0;
1978
1979 /* Kill the kernel thread for this host */
1980 if (ha->dpc_thread) {
1981 struct task_struct *t = ha->dpc_thread;
1982
1983 /*
1984 * qla2xxx_wake_dpc checks for ->dpc_thread
1985 * so we need to zero it out.
1986 */
1987 ha->dpc_thread = NULL;
1988 kthread_stop(t);
1989 }
1990
1991 qla2x00_free_sysfs_attr(base_vha);
1992
1993 fc_remove_host(base_vha->host);
1994
1995 scsi_remove_host(base_vha->host);
1996
1997 qla2x00_free_device(base_vha);
1998
1999 scsi_host_put(base_vha->host);
2000
2001 if (ha->iobase)
2002 iounmap(ha->iobase);
2003
2004 if (ha->mqiobase)
2005 iounmap(ha->mqiobase);
2006
2007 pci_release_selected_regions(ha->pdev, ha->bars);
2008 kfree(ha);
2009 ha = NULL;
2010
2011 pci_disable_device(pdev);
2012 pci_set_drvdata(pdev, NULL);
2013 }
2014
2015 static void
2016 qla2x00_free_device(scsi_qla_host_t *vha)
2017 {
2018 struct qla_hw_data *ha = vha->hw;
2019
2020 if (ha->flags.fce_enabled)
2021 qla2x00_disable_fce_trace(vha, NULL, NULL);
2022
2023 if (ha->eft)
2024 qla2x00_disable_eft_trace(vha);
2025
2026 /* Stop currently executing firmware. */
2027 qla2x00_try_to_stop_firmware(vha);
2028
2029 /* turn-off interrupts on the card */
2030 if (ha->interrupts_on)
2031 ha->isp_ops->disable_intrs(ha);
2032
2033 qla2x00_free_irqs(vha);
2034
2035 qla2x00_mem_free(ha);
2036
2037 qla2x00_free_queues(ha);
2038 }
2039
2040 static inline void
2041 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
2042 int defer)
2043 {
2044 struct fc_rport *rport;
2045
2046 if (!fcport->rport)
2047 return;
2048
2049 rport = fcport->rport;
2050 if (defer) {
2051 spin_lock_irq(vha->host->host_lock);
2052 fcport->drport = rport;
2053 spin_unlock_irq(vha->host->host_lock);
2054 set_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags);
2055 qla2xxx_wake_dpc(vha);
2056 } else
2057 fc_remote_port_delete(rport);
2058 }
2059
2060 /*
2061 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
2062 *
2063 * Input: ha = adapter block pointer. fcport = port structure pointer.
2064 *
2065 * Return: None.
2066 *
2067 * Context:
2068 */
2069 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
2070 int do_login, int defer)
2071 {
2072 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2073 vha->vp_idx == fcport->vp_idx) {
2074 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2075 qla2x00_schedule_rport_del(vha, fcport, defer);
2076 }
2077 /*
2078 * We may need to retry the login, so don't change the state of the
2079 * port but do the retries.
2080 */
2081 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
2082 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2083
2084 if (!do_login)
2085 return;
2086
2087 if (fcport->login_retry == 0) {
2088 fcport->login_retry = vha->hw->login_retry_count;
2089 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2090
2091 DEBUG(printk("scsi(%ld): Port login retry: "
2092 "%02x%02x%02x%02x%02x%02x%02x%02x, "
2093 "id = 0x%04x retry cnt=%d\n",
2094 vha->host_no,
2095 fcport->port_name[0],
2096 fcport->port_name[1],
2097 fcport->port_name[2],
2098 fcport->port_name[3],
2099 fcport->port_name[4],
2100 fcport->port_name[5],
2101 fcport->port_name[6],
2102 fcport->port_name[7],
2103 fcport->loop_id,
2104 fcport->login_retry));
2105 }
2106 }
2107
2108 /*
2109 * qla2x00_mark_all_devices_lost
2110 * Updates fcport state when device goes offline.
2111 *
2112 * Input:
2113 * ha = adapter block pointer.
2114 * fcport = port structure pointer.
2115 *
2116 * Return:
2117 * None.
2118 *
2119 * Context:
2120 */
2121 void
2122 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
2123 {
2124 fc_port_t *fcport;
2125
2126 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2127 if (vha->vp_idx != fcport->vp_idx)
2128 continue;
2129 /*
2130 * No point in marking the device as lost, if the device is
2131 * already DEAD.
2132 */
2133 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
2134 continue;
2135 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2136 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2137 qla2x00_schedule_rport_del(vha, fcport, defer);
2138 } else
2139 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2140 }
2141 }
2142
2143 /*
2144 * qla2x00_mem_alloc
2145 * Allocates adapter memory.
2146 *
2147 * Returns:
2148 * 0 = success.
2149 * !0 = failure.
2150 */
2151 static int
2152 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
2153 struct req_que **req, struct rsp_que **rsp)
2154 {
2155 char name[16];
2156
2157 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
2158 &ha->init_cb_dma, GFP_KERNEL);
2159 if (!ha->init_cb)
2160 goto fail;
2161
2162 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2163 &ha->gid_list_dma, GFP_KERNEL);
2164 if (!ha->gid_list)
2165 goto fail_free_init_cb;
2166
2167 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2168 if (!ha->srb_mempool)
2169 goto fail_free_gid_list;
2170
2171 /* Get memory for cached NVRAM */
2172 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2173 if (!ha->nvram)
2174 goto fail_free_srb_mempool;
2175
2176 snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
2177 ha->pdev->device);
2178 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2179 DMA_POOL_SIZE, 8, 0);
2180 if (!ha->s_dma_pool)
2181 goto fail_free_nvram;
2182
2183 /* Allocate memory for SNS commands */
2184 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2185 /* Get consistent memory allocated for SNS commands */
2186 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
2187 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
2188 if (!ha->sns_cmd)
2189 goto fail_dma_pool;
2190 } else {
2191 /* Get consistent memory allocated for MS IOCB */
2192 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2193 &ha->ms_iocb_dma);
2194 if (!ha->ms_iocb)
2195 goto fail_dma_pool;
2196 /* Get consistent memory allocated for CT SNS commands */
2197 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
2198 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
2199 if (!ha->ct_sns)
2200 goto fail_free_ms_iocb;
2201 }
2202
2203 /* Allocate memory for request ring */
2204 *req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
2205 if (!*req) {
2206 DEBUG(printk("Unable to allocate memory for req\n"));
2207 goto fail_req;
2208 }
2209 (*req)->length = req_len;
2210 (*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
2211 ((*req)->length + 1) * sizeof(request_t),
2212 &(*req)->dma, GFP_KERNEL);
2213 if (!(*req)->ring) {
2214 DEBUG(printk("Unable to allocate memory for req_ring\n"));
2215 goto fail_req_ring;
2216 }
2217 /* Allocate memory for response ring */
2218 *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
2219 if (!*rsp) {
2220 qla_printk(KERN_WARNING, ha,
2221 "Unable to allocate memory for rsp\n");
2222 goto fail_rsp;
2223 }
2224 (*rsp)->hw = ha;
2225 (*rsp)->length = rsp_len;
2226 (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
2227 ((*rsp)->length + 1) * sizeof(response_t),
2228 &(*rsp)->dma, GFP_KERNEL);
2229 if (!(*rsp)->ring) {
2230 qla_printk(KERN_WARNING, ha,
2231 "Unable to allocate memory for rsp_ring\n");
2232 goto fail_rsp_ring;
2233 }
2234 (*req)->rsp = *rsp;
2235 (*rsp)->req = *req;
2236 /* Allocate memory for NVRAM data for vports */
2237 if (ha->nvram_npiv_size) {
2238 ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
2239 ha->nvram_npiv_size, GFP_KERNEL);
2240 if (!ha->npiv_info) {
2241 qla_printk(KERN_WARNING, ha,
2242 "Unable to allocate memory for npiv info\n");
2243 goto fail_npiv_info;
2244 }
2245 } else
2246 ha->npiv_info = NULL;
2247
2248 /* Get consistent memory allocated for EX-INIT-CB. */
2249 if (IS_QLA81XX(ha)) {
2250 ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2251 &ha->ex_init_cb_dma);
2252 if (!ha->ex_init_cb)
2253 goto fail_ex_init_cb;
2254 }
2255
2256 INIT_LIST_HEAD(&ha->vp_list);
2257 return 1;
2258
2259 fail_ex_init_cb:
2260 kfree(ha->npiv_info);
2261 fail_npiv_info:
2262 dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
2263 sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
2264 (*rsp)->ring = NULL;
2265 (*rsp)->dma = 0;
2266 fail_rsp_ring:
2267 kfree(*rsp);
2268 fail_rsp:
2269 dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
2270 sizeof(request_t), (*req)->ring, (*req)->dma);
2271 (*req)->ring = NULL;
2272 (*req)->dma = 0;
2273 fail_req_ring:
2274 kfree(*req);
2275 fail_req:
2276 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2277 ha->ct_sns, ha->ct_sns_dma);
2278 ha->ct_sns = NULL;
2279 ha->ct_sns_dma = 0;
2280 fail_free_ms_iocb:
2281 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2282 ha->ms_iocb = NULL;
2283 ha->ms_iocb_dma = 0;
2284 fail_dma_pool:
2285 dma_pool_destroy(ha->s_dma_pool);
2286 ha->s_dma_pool = NULL;
2287 fail_free_nvram:
2288 kfree(ha->nvram);
2289 ha->nvram = NULL;
2290 fail_free_srb_mempool:
2291 mempool_destroy(ha->srb_mempool);
2292 ha->srb_mempool = NULL;
2293 fail_free_gid_list:
2294 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2295 ha->gid_list_dma);
2296 ha->gid_list = NULL;
2297 ha->gid_list_dma = 0;
2298 fail_free_init_cb:
2299 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
2300 ha->init_cb_dma);
2301 ha->init_cb = NULL;
2302 ha->init_cb_dma = 0;
2303 fail:
2304 DEBUG(printk("%s: Memory allocation failure\n", __func__));
2305 return -ENOMEM;
2306 }
2307
2308 /*
2309 * qla2x00_mem_free
2310 * Frees all adapter allocated memory.
2311 *
2312 * Input:
2313 * ha = adapter block pointer.
2314 */
2315 static void
2316 qla2x00_mem_free(struct qla_hw_data *ha)
2317 {
2318 if (ha->srb_mempool)
2319 mempool_destroy(ha->srb_mempool);
2320
2321 if (ha->fce)
2322 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
2323 ha->fce_dma);
2324
2325 if (ha->fw_dump) {
2326 if (ha->eft)
2327 dma_free_coherent(&ha->pdev->dev,
2328 ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
2329 vfree(ha->fw_dump);
2330 }
2331
2332 if (ha->sns_cmd)
2333 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2334 ha->sns_cmd, ha->sns_cmd_dma);
2335
2336 if (ha->ct_sns)
2337 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2338 ha->ct_sns, ha->ct_sns_dma);
2339
2340 if (ha->sfp_data)
2341 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2342
2343 if (ha->edc_data)
2344 dma_pool_free(ha->s_dma_pool, ha->edc_data, ha->edc_data_dma);
2345
2346 if (ha->ms_iocb)
2347 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2348
2349 if (ha->ex_init_cb)
2350 dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
2351
2352 if (ha->s_dma_pool)
2353 dma_pool_destroy(ha->s_dma_pool);
2354
2355 if (ha->gid_list)
2356 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2357 ha->gid_list_dma);
2358
2359 if (ha->init_cb)
2360 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2361 ha->init_cb, ha->init_cb_dma);
2362 vfree(ha->optrom_buffer);
2363 kfree(ha->nvram);
2364 kfree(ha->npiv_info);
2365
2366 ha->srb_mempool = NULL;
2367 ha->eft = NULL;
2368 ha->eft_dma = 0;
2369 ha->sns_cmd = NULL;
2370 ha->sns_cmd_dma = 0;
2371 ha->ct_sns = NULL;
2372 ha->ct_sns_dma = 0;
2373 ha->ms_iocb = NULL;
2374 ha->ms_iocb_dma = 0;
2375 ha->init_cb = NULL;
2376 ha->init_cb_dma = 0;
2377 ha->ex_init_cb = NULL;
2378 ha->ex_init_cb_dma = 0;
2379
2380 ha->s_dma_pool = NULL;
2381
2382 ha->gid_list = NULL;
2383 ha->gid_list_dma = 0;
2384
2385 ha->fw_dump = NULL;
2386 ha->fw_dumped = 0;
2387 ha->fw_dump_reading = 0;
2388 }
2389
2390 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
2391 struct qla_hw_data *ha)
2392 {
2393 struct Scsi_Host *host;
2394 struct scsi_qla_host *vha = NULL;
2395
2396 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
2397 if (host == NULL) {
2398 printk(KERN_WARNING
2399 "qla2xxx: Couldn't allocate host from scsi layer!\n");
2400 goto fail;
2401 }
2402
2403 /* Clear our data area */
2404 vha = shost_priv(host);
2405 memset(vha, 0, sizeof(scsi_qla_host_t));
2406
2407 vha->host = host;
2408 vha->host_no = host->host_no;
2409 vha->hw = ha;
2410
2411 INIT_LIST_HEAD(&vha->vp_fcports);
2412 INIT_LIST_HEAD(&vha->work_list);
2413 INIT_LIST_HEAD(&vha->list);
2414
2415 sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
2416 return vha;
2417
2418 fail:
2419 return vha;
2420 }
2421
2422 static struct qla_work_evt *
2423 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type,
2424 int locked)
2425 {
2426 struct qla_work_evt *e;
2427
2428 e = kzalloc(sizeof(struct qla_work_evt), locked ? GFP_ATOMIC:
2429 GFP_KERNEL);
2430 if (!e)
2431 return NULL;
2432
2433 INIT_LIST_HEAD(&e->list);
2434 e->type = type;
2435 e->flags = QLA_EVT_FLAG_FREE;
2436 return e;
2437 }
2438
2439 static int
2440 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e, int locked)
2441 {
2442 unsigned long uninitialized_var(flags);
2443 struct qla_hw_data *ha = vha->hw;
2444
2445 if (!locked)
2446 spin_lock_irqsave(&ha->hardware_lock, flags);
2447 list_add_tail(&e->list, &vha->work_list);
2448 qla2xxx_wake_dpc(vha);
2449 if (!locked)
2450 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2451 return QLA_SUCCESS;
2452 }
2453
2454 int
2455 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
2456 u32 data)
2457 {
2458 struct qla_work_evt *e;
2459
2460 e = qla2x00_alloc_work(vha, QLA_EVT_AEN, 1);
2461 if (!e)
2462 return QLA_FUNCTION_FAILED;
2463
2464 e->u.aen.code = code;
2465 e->u.aen.data = data;
2466 return qla2x00_post_work(vha, e, 1);
2467 }
2468
2469 int
2470 qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
2471 {
2472 struct qla_work_evt *e;
2473
2474 e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK, 1);
2475 if (!e)
2476 return QLA_FUNCTION_FAILED;
2477
2478 memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
2479 return qla2x00_post_work(vha, e, 1);
2480 }
2481
2482 static void
2483 qla2x00_do_work(struct scsi_qla_host *vha)
2484 {
2485 struct qla_work_evt *e;
2486 struct qla_hw_data *ha = vha->hw;
2487
2488 spin_lock_irq(&ha->hardware_lock);
2489 while (!list_empty(&vha->work_list)) {
2490 e = list_entry(vha->work_list.next, struct qla_work_evt, list);
2491 list_del_init(&e->list);
2492 spin_unlock_irq(&ha->hardware_lock);
2493
2494 switch (e->type) {
2495 case QLA_EVT_AEN:
2496 fc_host_post_event(vha->host, fc_get_event_number(),
2497 e->u.aen.code, e->u.aen.data);
2498 break;
2499 case QLA_EVT_IDC_ACK:
2500 qla81xx_idc_ack(vha, e->u.idc_ack.mb);
2501 break;
2502 }
2503 if (e->flags & QLA_EVT_FLAG_FREE)
2504 kfree(e);
2505 spin_lock_irq(&ha->hardware_lock);
2506 }
2507 spin_unlock_irq(&ha->hardware_lock);
2508 }
2509 /* Relogins all the fcports of a vport
2510 * Context: dpc thread
2511 */
2512 void qla2x00_relogin(struct scsi_qla_host *vha)
2513 {
2514 fc_port_t *fcport;
2515 int status;
2516 uint16_t next_loopid = 0;
2517 struct qla_hw_data *ha = vha->hw;
2518
2519 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2520 /*
2521 * If the port is not ONLINE then try to login
2522 * to it if we haven't run out of retries.
2523 */
2524 if (atomic_read(&fcport->state) !=
2525 FCS_ONLINE && fcport->login_retry) {
2526
2527 if (fcport->flags & FCF_FABRIC_DEVICE) {
2528 if (fcport->flags & FCF_TAPE_PRESENT)
2529 ha->isp_ops->fabric_logout(vha,
2530 fcport->loop_id,
2531 fcport->d_id.b.domain,
2532 fcport->d_id.b.area,
2533 fcport->d_id.b.al_pa);
2534
2535 status = qla2x00_fabric_login(vha, fcport,
2536 &next_loopid);
2537 } else
2538 status = qla2x00_local_device_login(vha,
2539 fcport);
2540
2541 fcport->login_retry--;
2542 if (status == QLA_SUCCESS) {
2543 fcport->old_loop_id = fcport->loop_id;
2544
2545 DEBUG(printk("scsi(%ld): port login OK: logged "
2546 "in ID 0x%x\n", vha->host_no, fcport->loop_id));
2547
2548 qla2x00_update_fcport(vha, fcport);
2549
2550 } else if (status == 1) {
2551 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2552 /* retry the login again */
2553 DEBUG(printk("scsi(%ld): Retrying"
2554 " %d login again loop_id 0x%x\n",
2555 vha->host_no, fcport->login_retry,
2556 fcport->loop_id));
2557 } else {
2558 fcport->login_retry = 0;
2559 }
2560
2561 if (fcport->login_retry == 0 && status != QLA_SUCCESS)
2562 fcport->loop_id = FC_NO_LOOP_ID;
2563 }
2564 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2565 break;
2566 }
2567 }
2568
2569 /**************************************************************************
2570 * qla2x00_do_dpc
2571 * This kernel thread is a task that is schedule by the interrupt handler
2572 * to perform the background processing for interrupts.
2573 *
2574 * Notes:
2575 * This task always run in the context of a kernel thread. It
2576 * is kick-off by the driver's detect code and starts up
2577 * up one per adapter. It immediately goes to sleep and waits for
2578 * some fibre event. When either the interrupt handler or
2579 * the timer routine detects a event it will one of the task
2580 * bits then wake us up.
2581 **************************************************************************/
2582 static int
2583 qla2x00_do_dpc(void *data)
2584 {
2585 int rval;
2586 scsi_qla_host_t *base_vha;
2587 struct qla_hw_data *ha;
2588
2589 ha = (struct qla_hw_data *)data;
2590 base_vha = pci_get_drvdata(ha->pdev);
2591
2592 set_user_nice(current, -20);
2593
2594 while (!kthread_should_stop()) {
2595 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2596
2597 set_current_state(TASK_INTERRUPTIBLE);
2598 schedule();
2599 __set_current_state(TASK_RUNNING);
2600
2601 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2602
2603 /* Initialization not yet finished. Don't do anything yet. */
2604 if (!base_vha->flags.init_done)
2605 continue;
2606
2607 DEBUG3(printk("scsi(%ld): DPC handler\n", base_vha->host_no));
2608
2609 ha->dpc_active = 1;
2610
2611 if (ha->flags.mbox_busy) {
2612 ha->dpc_active = 0;
2613 continue;
2614 }
2615
2616 qla2x00_do_work(base_vha);
2617
2618 if (test_and_clear_bit(ISP_ABORT_NEEDED,
2619 &base_vha->dpc_flags)) {
2620
2621 DEBUG(printk("scsi(%ld): dpc: sched "
2622 "qla2x00_abort_isp ha = %p\n",
2623 base_vha->host_no, ha));
2624 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
2625 &base_vha->dpc_flags))) {
2626
2627 if (qla2x00_abort_isp(base_vha)) {
2628 /* failed. retry later */
2629 set_bit(ISP_ABORT_NEEDED,
2630 &base_vha->dpc_flags);
2631 }
2632 clear_bit(ABORT_ISP_ACTIVE,
2633 &base_vha->dpc_flags);
2634 }
2635
2636 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
2637 base_vha->host_no));
2638 }
2639
2640 if (test_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags)) {
2641 qla2x00_update_fcports(base_vha);
2642 clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
2643 }
2644
2645 if (test_and_clear_bit(RESET_MARKER_NEEDED,
2646 &base_vha->dpc_flags) &&
2647 (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
2648
2649 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
2650 base_vha->host_no));
2651
2652 qla2x00_rst_aen(base_vha);
2653 clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
2654 }
2655
2656 /* Retry each device up to login retry count */
2657 if ((test_and_clear_bit(RELOGIN_NEEDED,
2658 &base_vha->dpc_flags)) &&
2659 !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
2660 atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
2661
2662 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
2663 base_vha->host_no));
2664 qla2x00_relogin(base_vha);
2665
2666 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
2667 base_vha->host_no));
2668 }
2669
2670 if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
2671 &base_vha->dpc_flags)) {
2672
2673 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
2674 base_vha->host_no));
2675
2676 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
2677 &base_vha->dpc_flags))) {
2678
2679 rval = qla2x00_loop_resync(base_vha);
2680
2681 clear_bit(LOOP_RESYNC_ACTIVE,
2682 &base_vha->dpc_flags);
2683 }
2684
2685 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
2686 base_vha->host_no));
2687 }
2688
2689 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
2690 atomic_read(&base_vha->loop_state) == LOOP_READY) {
2691 clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
2692 qla2xxx_flash_npiv_conf(base_vha);
2693 }
2694
2695 if (!ha->interrupts_on)
2696 ha->isp_ops->enable_intrs(ha);
2697
2698 if (test_and_clear_bit(BEACON_BLINK_NEEDED,
2699 &base_vha->dpc_flags))
2700 ha->isp_ops->beacon_blink(base_vha);
2701
2702 qla2x00_do_dpc_all_vps(base_vha);
2703
2704 ha->dpc_active = 0;
2705 } /* End of while(1) */
2706
2707 DEBUG(printk("scsi(%ld): DPC handler exiting\n", base_vha->host_no));
2708
2709 /*
2710 * Make sure that nobody tries to wake us up again.
2711 */
2712 ha->dpc_active = 0;
2713
2714 return 0;
2715 }
2716
2717 void
2718 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
2719 {
2720 struct qla_hw_data *ha = vha->hw;
2721 struct task_struct *t = ha->dpc_thread;
2722
2723 if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
2724 wake_up_process(t);
2725 }
2726
2727 /*
2728 * qla2x00_rst_aen
2729 * Processes asynchronous reset.
2730 *
2731 * Input:
2732 * ha = adapter block pointer.
2733 */
2734 static void
2735 qla2x00_rst_aen(scsi_qla_host_t *vha)
2736 {
2737 if (vha->flags.online && !vha->flags.reset_active &&
2738 !atomic_read(&vha->loop_down_timer) &&
2739 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
2740 do {
2741 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
2742
2743 /*
2744 * Issue marker command only when we are going to start
2745 * the I/O.
2746 */
2747 vha->marker_needed = 1;
2748 } while (!atomic_read(&vha->loop_down_timer) &&
2749 (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
2750 }
2751 }
2752
2753 static void
2754 qla2x00_sp_free_dma(srb_t *sp)
2755 {
2756 struct scsi_cmnd *cmd = sp->cmd;
2757
2758 if (sp->flags & SRB_DMA_VALID) {
2759 scsi_dma_unmap(cmd);
2760 sp->flags &= ~SRB_DMA_VALID;
2761 }
2762 CMD_SP(cmd) = NULL;
2763 }
2764
2765 void
2766 qla2x00_sp_compl(struct qla_hw_data *ha, srb_t *sp)
2767 {
2768 struct scsi_cmnd *cmd = sp->cmd;
2769
2770 qla2x00_sp_free_dma(sp);
2771
2772 mempool_free(sp, ha->srb_mempool);
2773
2774 cmd->scsi_done(cmd);
2775 }
2776
2777 /**************************************************************************
2778 * qla2x00_timer
2779 *
2780 * Description:
2781 * One second timer
2782 *
2783 * Context: Interrupt
2784 ***************************************************************************/
2785 void
2786 qla2x00_timer(scsi_qla_host_t *vha)
2787 {
2788 unsigned long cpu_flags = 0;
2789 fc_port_t *fcport;
2790 int start_dpc = 0;
2791 int index;
2792 srb_t *sp;
2793 int t;
2794 struct qla_hw_data *ha = vha->hw;
2795 struct req_que *req;
2796 /*
2797 * Ports - Port down timer.
2798 *
2799 * Whenever, a port is in the LOST state we start decrementing its port
2800 * down timer every second until it reaches zero. Once it reaches zero
2801 * the port it marked DEAD.
2802 */
2803 t = 0;
2804 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2805 if (fcport->port_type != FCT_TARGET)
2806 continue;
2807
2808 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2809
2810 if (atomic_read(&fcport->port_down_timer) == 0)
2811 continue;
2812
2813 if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
2814 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
2815
2816 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
2817 "%d remaining\n",
2818 vha->host_no,
2819 t, atomic_read(&fcport->port_down_timer)));
2820 }
2821 t++;
2822 } /* End of for fcport */
2823
2824
2825 /* Loop down handler. */
2826 if (atomic_read(&vha->loop_down_timer) > 0 &&
2827 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
2828 && vha->flags.online) {
2829
2830 if (atomic_read(&vha->loop_down_timer) ==
2831 vha->loop_down_abort_time) {
2832
2833 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2834 "queues before time expire\n",
2835 vha->host_no));
2836
2837 if (!IS_QLA2100(ha) && vha->link_down_timeout)
2838 atomic_set(&vha->loop_state, LOOP_DEAD);
2839
2840 /* Schedule an ISP abort to return any tape commands. */
2841 /* NPIV - scan physical port only */
2842 if (!vha->vp_idx) {
2843 spin_lock_irqsave(&ha->hardware_lock,
2844 cpu_flags);
2845 req = ha->req_q_map[0];
2846 for (index = 1;
2847 index < MAX_OUTSTANDING_COMMANDS;
2848 index++) {
2849 fc_port_t *sfcp;
2850
2851 sp = req->outstanding_cmds[index];
2852 if (!sp)
2853 continue;
2854 sfcp = sp->fcport;
2855 if (!(sfcp->flags & FCF_TAPE_PRESENT))
2856 continue;
2857
2858 set_bit(ISP_ABORT_NEEDED,
2859 &vha->dpc_flags);
2860 break;
2861 }
2862 spin_unlock_irqrestore(&ha->hardware_lock,
2863 cpu_flags);
2864 }
2865 start_dpc++;
2866 }
2867
2868 /* if the loop has been down for 4 minutes, reinit adapter */
2869 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
2870 if (!(vha->device_flags & DFLG_NO_CABLE) &&
2871 !vha->vp_idx) {
2872 DEBUG(printk("scsi(%ld): Loop down - "
2873 "aborting ISP.\n",
2874 vha->host_no));
2875 qla_printk(KERN_WARNING, ha,
2876 "Loop down - aborting ISP.\n");
2877
2878 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2879 }
2880 }
2881 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
2882 vha->host_no,
2883 atomic_read(&vha->loop_down_timer)));
2884 }
2885
2886 /* Check if beacon LED needs to be blinked */
2887 if (ha->beacon_blink_led == 1) {
2888 set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
2889 start_dpc++;
2890 }
2891
2892 /* Process any deferred work. */
2893 if (!list_empty(&vha->work_list))
2894 start_dpc++;
2895
2896 /* Schedule the DPC routine if needed */
2897 if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
2898 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
2899 test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
2900 start_dpc ||
2901 test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
2902 test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
2903 test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
2904 test_bit(RELOGIN_NEEDED, &vha->dpc_flags)))
2905 qla2xxx_wake_dpc(vha);
2906
2907 qla2x00_restart_timer(vha, WATCH_INTERVAL);
2908 }
2909
2910 /* Firmware interface routines. */
2911
2912 #define FW_BLOBS 7
2913 #define FW_ISP21XX 0
2914 #define FW_ISP22XX 1
2915 #define FW_ISP2300 2
2916 #define FW_ISP2322 3
2917 #define FW_ISP24XX 4
2918 #define FW_ISP25XX 5
2919 #define FW_ISP81XX 6
2920
2921 #define FW_FILE_ISP21XX "ql2100_fw.bin"
2922 #define FW_FILE_ISP22XX "ql2200_fw.bin"
2923 #define FW_FILE_ISP2300 "ql2300_fw.bin"
2924 #define FW_FILE_ISP2322 "ql2322_fw.bin"
2925 #define FW_FILE_ISP24XX "ql2400_fw.bin"
2926 #define FW_FILE_ISP25XX "ql2500_fw.bin"
2927 #define FW_FILE_ISP81XX "ql8100_fw.bin"
2928
2929 static DEFINE_MUTEX(qla_fw_lock);
2930
2931 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
2932 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
2933 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
2934 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
2935 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
2936 { .name = FW_FILE_ISP24XX, },
2937 { .name = FW_FILE_ISP25XX, },
2938 { .name = FW_FILE_ISP81XX, },
2939 };
2940
2941 struct fw_blob *
2942 qla2x00_request_firmware(scsi_qla_host_t *vha)
2943 {
2944 struct qla_hw_data *ha = vha->hw;
2945 struct fw_blob *blob;
2946
2947 blob = NULL;
2948 if (IS_QLA2100(ha)) {
2949 blob = &qla_fw_blobs[FW_ISP21XX];
2950 } else if (IS_QLA2200(ha)) {
2951 blob = &qla_fw_blobs[FW_ISP22XX];
2952 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
2953 blob = &qla_fw_blobs[FW_ISP2300];
2954 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
2955 blob = &qla_fw_blobs[FW_ISP2322];
2956 } else if (IS_QLA24XX_TYPE(ha)) {
2957 blob = &qla_fw_blobs[FW_ISP24XX];
2958 } else if (IS_QLA25XX(ha)) {
2959 blob = &qla_fw_blobs[FW_ISP25XX];
2960 } else if (IS_QLA81XX(ha)) {
2961 blob = &qla_fw_blobs[FW_ISP81XX];
2962 }
2963
2964 mutex_lock(&qla_fw_lock);
2965 if (blob->fw)
2966 goto out;
2967
2968 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
2969 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
2970 "(%s).\n", vha->host_no, blob->name));
2971 blob->fw = NULL;
2972 blob = NULL;
2973 goto out;
2974 }
2975
2976 out:
2977 mutex_unlock(&qla_fw_lock);
2978 return blob;
2979 }
2980
2981 static void
2982 qla2x00_release_firmware(void)
2983 {
2984 int idx;
2985
2986 mutex_lock(&qla_fw_lock);
2987 for (idx = 0; idx < FW_BLOBS; idx++)
2988 if (qla_fw_blobs[idx].fw)
2989 release_firmware(qla_fw_blobs[idx].fw);
2990 mutex_unlock(&qla_fw_lock);
2991 }
2992
2993 static pci_ers_result_t
2994 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
2995 {
2996 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
2997
2998 switch (state) {
2999 case pci_channel_io_normal:
3000 return PCI_ERS_RESULT_CAN_RECOVER;
3001 case pci_channel_io_frozen:
3002 pci_disable_device(pdev);
3003 return PCI_ERS_RESULT_NEED_RESET;
3004 case pci_channel_io_perm_failure:
3005 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
3006 return PCI_ERS_RESULT_DISCONNECT;
3007 }
3008 return PCI_ERS_RESULT_NEED_RESET;
3009 }
3010
3011 static pci_ers_result_t
3012 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
3013 {
3014 int risc_paused = 0;
3015 uint32_t stat;
3016 unsigned long flags;
3017 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3018 struct qla_hw_data *ha = base_vha->hw;
3019 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3020 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
3021
3022 spin_lock_irqsave(&ha->hardware_lock, flags);
3023 if (IS_QLA2100(ha) || IS_QLA2200(ha)){
3024 stat = RD_REG_DWORD(&reg->hccr);
3025 if (stat & HCCR_RISC_PAUSE)
3026 risc_paused = 1;
3027 } else if (IS_QLA23XX(ha)) {
3028 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
3029 if (stat & HSR_RISC_PAUSED)
3030 risc_paused = 1;
3031 } else if (IS_FWI2_CAPABLE(ha)) {
3032 stat = RD_REG_DWORD(&reg24->host_status);
3033 if (stat & HSRX_RISC_PAUSED)
3034 risc_paused = 1;
3035 }
3036 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3037
3038 if (risc_paused) {
3039 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
3040 "Dumping firmware!\n");
3041 ha->isp_ops->fw_dump(base_vha, 0);
3042
3043 return PCI_ERS_RESULT_NEED_RESET;
3044 } else
3045 return PCI_ERS_RESULT_RECOVERED;
3046 }
3047
3048 static pci_ers_result_t
3049 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
3050 {
3051 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
3052 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3053 struct qla_hw_data *ha = base_vha->hw;
3054 int rc;
3055
3056 if (ha->mem_only)
3057 rc = pci_enable_device_mem(pdev);
3058 else
3059 rc = pci_enable_device(pdev);
3060
3061 if (rc) {
3062 qla_printk(KERN_WARNING, ha,
3063 "Can't re-enable PCI device after reset.\n");
3064
3065 return ret;
3066 }
3067 pci_set_master(pdev);
3068
3069 if (ha->isp_ops->pci_config(base_vha))
3070 return ret;
3071
3072 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3073 if (qla2x00_abort_isp(base_vha) == QLA_SUCCESS)
3074 ret = PCI_ERS_RESULT_RECOVERED;
3075 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3076
3077 return ret;
3078 }
3079
3080 static void
3081 qla2xxx_pci_resume(struct pci_dev *pdev)
3082 {
3083 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3084 struct qla_hw_data *ha = base_vha->hw;
3085 int ret;
3086
3087 ret = qla2x00_wait_for_hba_online(base_vha);
3088 if (ret != QLA_SUCCESS) {
3089 qla_printk(KERN_ERR, ha,
3090 "the device failed to resume I/O "
3091 "from slot/link_reset");
3092 }
3093 pci_cleanup_aer_uncorrect_error_status(pdev);
3094 }
3095
3096 static struct pci_error_handlers qla2xxx_err_handler = {
3097 .error_detected = qla2xxx_pci_error_detected,
3098 .mmio_enabled = qla2xxx_pci_mmio_enabled,
3099 .slot_reset = qla2xxx_pci_slot_reset,
3100 .resume = qla2xxx_pci_resume,
3101 };
3102
3103 static struct pci_device_id qla2xxx_pci_tbl[] = {
3104 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
3105 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
3106 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
3107 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
3108 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
3109 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
3110 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
3111 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
3112 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
3113 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
3114 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
3115 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
3116 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
3117 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
3118 { 0 },
3119 };
3120 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
3121
3122 static struct pci_driver qla2xxx_pci_driver = {
3123 .name = QLA2XXX_DRIVER_NAME,
3124 .driver = {
3125 .owner = THIS_MODULE,
3126 },
3127 .id_table = qla2xxx_pci_tbl,
3128 .probe = qla2x00_probe_one,
3129 .remove = qla2x00_remove_one,
3130 .err_handler = &qla2xxx_err_handler,
3131 };
3132
3133 /**
3134 * qla2x00_module_init - Module initialization.
3135 **/
3136 static int __init
3137 qla2x00_module_init(void)
3138 {
3139 int ret = 0;
3140
3141 /* Allocate cache for SRBs. */
3142 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
3143 SLAB_HWCACHE_ALIGN, NULL);
3144 if (srb_cachep == NULL) {
3145 printk(KERN_ERR
3146 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
3147 return -ENOMEM;
3148 }
3149
3150 /* Derive version string. */
3151 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
3152 if (ql2xextended_error_logging)
3153 strcat(qla2x00_version_str, "-debug");
3154
3155 qla2xxx_transport_template =
3156 fc_attach_transport(&qla2xxx_transport_functions);
3157 if (!qla2xxx_transport_template) {
3158 kmem_cache_destroy(srb_cachep);
3159 return -ENODEV;
3160 }
3161 qla2xxx_transport_vport_template =
3162 fc_attach_transport(&qla2xxx_transport_vport_functions);
3163 if (!qla2xxx_transport_vport_template) {
3164 kmem_cache_destroy(srb_cachep);
3165 fc_release_transport(qla2xxx_transport_template);
3166 return -ENODEV;
3167 }
3168
3169 printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n",
3170 qla2x00_version_str);
3171 ret = pci_register_driver(&qla2xxx_pci_driver);
3172 if (ret) {
3173 kmem_cache_destroy(srb_cachep);
3174 fc_release_transport(qla2xxx_transport_template);
3175 fc_release_transport(qla2xxx_transport_vport_template);
3176 }
3177 return ret;
3178 }
3179
3180 /**
3181 * qla2x00_module_exit - Module cleanup.
3182 **/
3183 static void __exit
3184 qla2x00_module_exit(void)
3185 {
3186 pci_unregister_driver(&qla2xxx_pci_driver);
3187 qla2x00_release_firmware();
3188 kmem_cache_destroy(srb_cachep);
3189 fc_release_transport(qla2xxx_transport_template);
3190 fc_release_transport(qla2xxx_transport_vport_template);
3191 }
3192
3193 module_init(qla2x00_module_init);
3194 module_exit(qla2x00_module_exit);
3195
3196 MODULE_AUTHOR("QLogic Corporation");
3197 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
3198 MODULE_LICENSE("GPL");
3199 MODULE_VERSION(QLA2XXX_VERSION);
3200 MODULE_FIRMWARE(FW_FILE_ISP21XX);
3201 MODULE_FIRMWARE(FW_FILE_ISP22XX);
3202 MODULE_FIRMWARE(FW_FILE_ISP2300);
3203 MODULE_FIRMWARE(FW_FILE_ISP2322);
3204 MODULE_FIRMWARE(FW_FILE_ISP24XX);
3205 MODULE_FIRMWARE(FW_FILE_ISP25XX);
3206 MODULE_FIRMWARE(FW_FILE_ISP81XX);
Linux kernel - Deliverables
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