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[SCSI] qla2xxx: Refactor request/response-queue register handling.
[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 qla2x00_queuecommand(struct scsi_cmnd *cmd,
108 void (*fn)(struct scsi_cmnd *));
109 static int qla24xx_queuecommand(struct scsi_cmnd *cmd,
110 void (*fn)(struct scsi_cmnd *));
111 static int qla2xxx_eh_abort(struct scsi_cmnd *);
112 static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
113 static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
114 static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
115 static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
116
117 static int qla2x00_change_queue_depth(struct scsi_device *, int);
118 static int qla2x00_change_queue_type(struct scsi_device *, int);
119
120 static struct scsi_host_template qla2x00_driver_template = {
121 .module = THIS_MODULE,
122 .name = QLA2XXX_DRIVER_NAME,
123 .queuecommand = qla2x00_queuecommand,
124
125 .eh_abort_handler = qla2xxx_eh_abort,
126 .eh_device_reset_handler = qla2xxx_eh_device_reset,
127 .eh_target_reset_handler = qla2xxx_eh_target_reset,
128 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
129 .eh_host_reset_handler = qla2xxx_eh_host_reset,
130
131 .slave_configure = qla2xxx_slave_configure,
132
133 .slave_alloc = qla2xxx_slave_alloc,
134 .slave_destroy = qla2xxx_slave_destroy,
135 .scan_finished = qla2xxx_scan_finished,
136 .scan_start = qla2xxx_scan_start,
137 .change_queue_depth = qla2x00_change_queue_depth,
138 .change_queue_type = qla2x00_change_queue_type,
139 .this_id = -1,
140 .cmd_per_lun = 3,
141 .use_clustering = ENABLE_CLUSTERING,
142 .sg_tablesize = SG_ALL,
143
144 /*
145 * The RISC allows for each command to transfer (2^32-1) bytes of data,
146 * which equates to 0x800000 sectors.
147 */
148 .max_sectors = 0xFFFF,
149 .shost_attrs = qla2x00_host_attrs,
150 };
151
152 struct scsi_host_template qla24xx_driver_template = {
153 .module = THIS_MODULE,
154 .name = QLA2XXX_DRIVER_NAME,
155 .queuecommand = qla24xx_queuecommand,
156
157 .eh_abort_handler = qla2xxx_eh_abort,
158 .eh_device_reset_handler = qla2xxx_eh_device_reset,
159 .eh_target_reset_handler = qla2xxx_eh_target_reset,
160 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
161 .eh_host_reset_handler = qla2xxx_eh_host_reset,
162
163 .slave_configure = qla2xxx_slave_configure,
164
165 .slave_alloc = qla2xxx_slave_alloc,
166 .slave_destroy = qla2xxx_slave_destroy,
167 .scan_finished = qla2xxx_scan_finished,
168 .scan_start = qla2xxx_scan_start,
169 .change_queue_depth = qla2x00_change_queue_depth,
170 .change_queue_type = qla2x00_change_queue_type,
171 .this_id = -1,
172 .cmd_per_lun = 3,
173 .use_clustering = ENABLE_CLUSTERING,
174 .sg_tablesize = SG_ALL,
175
176 .max_sectors = 0xFFFF,
177 .shost_attrs = qla2x00_host_attrs,
178 };
179
180 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
181 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
182
183 /* TODO Convert to inlines
184 *
185 * Timer routines
186 */
187
188 __inline__ void
189 qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval)
190 {
191 init_timer(&vha->timer);
192 vha->timer.expires = jiffies + interval * HZ;
193 vha->timer.data = (unsigned long)vha;
194 vha->timer.function = (void (*)(unsigned long))func;
195 add_timer(&vha->timer);
196 vha->timer_active = 1;
197 }
198
199 static inline void
200 qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
201 {
202 mod_timer(&vha->timer, jiffies + interval * HZ);
203 }
204
205 static __inline__ void
206 qla2x00_stop_timer(scsi_qla_host_t *vha)
207 {
208 del_timer_sync(&vha->timer);
209 vha->timer_active = 0;
210 }
211
212 static int qla2x00_do_dpc(void *data);
213
214 static void qla2x00_rst_aen(scsi_qla_host_t *);
215
216 static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
217 struct req_que **, struct rsp_que **);
218 static void qla2x00_mem_free(struct qla_hw_data *);
219 static void qla2x00_sp_free_dma(srb_t *);
220
221 /* -------------------------------------------------------------------------- */
222 static int qla2x00_alloc_queues(struct qla_hw_data *ha)
223 {
224 ha->req_q_map = kzalloc(sizeof(struct req_que *) * ha->max_queues,
225 GFP_KERNEL);
226 if (!ha->req_q_map) {
227 qla_printk(KERN_WARNING, ha,
228 "Unable to allocate memory for request queue ptrs\n");
229 goto fail_req_map;
230 }
231
232 ha->rsp_q_map = kzalloc(sizeof(struct rsp_que *) * ha->max_queues,
233 GFP_KERNEL);
234 if (!ha->rsp_q_map) {
235 qla_printk(KERN_WARNING, ha,
236 "Unable to allocate memory for response queue ptrs\n");
237 goto fail_rsp_map;
238 }
239 set_bit(0, ha->rsp_qid_map);
240 set_bit(0, ha->req_qid_map);
241 return 1;
242
243 fail_rsp_map:
244 kfree(ha->req_q_map);
245 ha->req_q_map = NULL;
246 fail_req_map:
247 return -ENOMEM;
248 }
249
250 static void qla2x00_free_que(struct qla_hw_data *ha, struct req_que *req,
251 struct rsp_que *rsp)
252 {
253 if (rsp && rsp->ring)
254 dma_free_coherent(&ha->pdev->dev,
255 (rsp->length + 1) * sizeof(response_t),
256 rsp->ring, rsp->dma);
257
258 kfree(rsp);
259 rsp = NULL;
260 if (req && req->ring)
261 dma_free_coherent(&ha->pdev->dev,
262 (req->length + 1) * sizeof(request_t),
263 req->ring, req->dma);
264
265 kfree(req);
266 req = NULL;
267 }
268
269 static void qla2x00_free_queues(struct qla_hw_data *ha)
270 {
271 struct req_que *req;
272 struct rsp_que *rsp;
273 int cnt;
274
275 for (cnt = 0; cnt < ha->max_queues; cnt++) {
276 rsp = ha->rsp_q_map[cnt];
277 req = ha->req_q_map[cnt];
278 qla2x00_free_que(ha, req, rsp);
279 }
280 kfree(ha->rsp_q_map);
281 ha->rsp_q_map = NULL;
282
283 kfree(ha->req_q_map);
284 ha->req_q_map = NULL;
285 }
286
287 static char *
288 qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
289 {
290 struct qla_hw_data *ha = vha->hw;
291 static char *pci_bus_modes[] = {
292 "33", "66", "100", "133",
293 };
294 uint16_t pci_bus;
295
296 strcpy(str, "PCI");
297 pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
298 if (pci_bus) {
299 strcat(str, "-X (");
300 strcat(str, pci_bus_modes[pci_bus]);
301 } else {
302 pci_bus = (ha->pci_attr & BIT_8) >> 8;
303 strcat(str, " (");
304 strcat(str, pci_bus_modes[pci_bus]);
305 }
306 strcat(str, " MHz)");
307
308 return (str);
309 }
310
311 static char *
312 qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
313 {
314 static char *pci_bus_modes[] = { "33", "66", "100", "133", };
315 struct qla_hw_data *ha = vha->hw;
316 uint32_t pci_bus;
317 int pcie_reg;
318
319 pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
320 if (pcie_reg) {
321 char lwstr[6];
322 uint16_t pcie_lstat, lspeed, lwidth;
323
324 pcie_reg += 0x12;
325 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
326 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
327 lwidth = (pcie_lstat &
328 (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
329
330 strcpy(str, "PCIe (");
331 if (lspeed == 1)
332 strcat(str, "2.5GT/s ");
333 else if (lspeed == 2)
334 strcat(str, "5.0GT/s ");
335 else
336 strcat(str, "<unknown> ");
337 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
338 strcat(str, lwstr);
339
340 return str;
341 }
342
343 strcpy(str, "PCI");
344 pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
345 if (pci_bus == 0 || pci_bus == 8) {
346 strcat(str, " (");
347 strcat(str, pci_bus_modes[pci_bus >> 3]);
348 } else {
349 strcat(str, "-X ");
350 if (pci_bus & BIT_2)
351 strcat(str, "Mode 2");
352 else
353 strcat(str, "Mode 1");
354 strcat(str, " (");
355 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
356 }
357 strcat(str, " MHz)");
358
359 return str;
360 }
361
362 static char *
363 qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str)
364 {
365 char un_str[10];
366 struct qla_hw_data *ha = vha->hw;
367
368 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
369 ha->fw_minor_version,
370 ha->fw_subminor_version);
371
372 if (ha->fw_attributes & BIT_9) {
373 strcat(str, "FLX");
374 return (str);
375 }
376
377 switch (ha->fw_attributes & 0xFF) {
378 case 0x7:
379 strcat(str, "EF");
380 break;
381 case 0x17:
382 strcat(str, "TP");
383 break;
384 case 0x37:
385 strcat(str, "IP");
386 break;
387 case 0x77:
388 strcat(str, "VI");
389 break;
390 default:
391 sprintf(un_str, "(%x)", ha->fw_attributes);
392 strcat(str, un_str);
393 break;
394 }
395 if (ha->fw_attributes & 0x100)
396 strcat(str, "X");
397
398 return (str);
399 }
400
401 static char *
402 qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str)
403 {
404 struct qla_hw_data *ha = vha->hw;
405
406 sprintf(str, "%d.%02d.%02d (%x)", ha->fw_major_version,
407 ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
408 return str;
409 }
410
411 static inline srb_t *
412 qla2x00_get_new_sp(scsi_qla_host_t *vha, fc_port_t *fcport,
413 struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
414 {
415 srb_t *sp;
416 struct qla_hw_data *ha = vha->hw;
417
418 sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
419 if (!sp)
420 return sp;
421
422 sp->fcport = fcport;
423 sp->cmd = cmd;
424 sp->que = ha->req_q_map[0];
425 sp->flags = 0;
426 CMD_SP(cmd) = (void *)sp;
427 cmd->scsi_done = done;
428
429 return sp;
430 }
431
432 static int
433 qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
434 {
435 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
436 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
437 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
438 struct qla_hw_data *ha = vha->hw;
439 srb_t *sp;
440 int rval;
441
442 if (unlikely(pci_channel_offline(ha->pdev))) {
443 cmd->result = DID_REQUEUE << 16;
444 goto qc_fail_command;
445 }
446
447 rval = fc_remote_port_chkready(rport);
448 if (rval) {
449 cmd->result = rval;
450 goto qc_fail_command;
451 }
452
453 /* Close window on fcport/rport state-transitioning. */
454 if (fcport->drport)
455 goto qc_target_busy;
456
457 if (atomic_read(&fcport->state) != FCS_ONLINE) {
458 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
459 atomic_read(&vha->loop_state) == LOOP_DEAD) {
460 cmd->result = DID_NO_CONNECT << 16;
461 goto qc_fail_command;
462 }
463 goto qc_target_busy;
464 }
465
466 spin_unlock_irq(vha->host->host_lock);
467
468 sp = qla2x00_get_new_sp(vha, fcport, cmd, done);
469 if (!sp)
470 goto qc_host_busy_lock;
471
472 rval = ha->isp_ops->start_scsi(sp);
473 if (rval != QLA_SUCCESS)
474 goto qc_host_busy_free_sp;
475
476 spin_lock_irq(vha->host->host_lock);
477
478 return 0;
479
480 qc_host_busy_free_sp:
481 qla2x00_sp_free_dma(sp);
482 mempool_free(sp, ha->srb_mempool);
483
484 qc_host_busy_lock:
485 spin_lock_irq(vha->host->host_lock);
486 return SCSI_MLQUEUE_HOST_BUSY;
487
488 qc_target_busy:
489 return SCSI_MLQUEUE_TARGET_BUSY;
490
491 qc_fail_command:
492 done(cmd);
493
494 return 0;
495 }
496
497
498 static int
499 qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
500 {
501 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
502 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
503 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
504 struct qla_hw_data *ha = vha->hw;
505 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
506 srb_t *sp;
507 int rval;
508
509 if (unlikely(pci_channel_offline(ha->pdev))) {
510 cmd->result = DID_REQUEUE << 16;
511 goto qc24_fail_command;
512 }
513
514 rval = fc_remote_port_chkready(rport);
515 if (rval) {
516 cmd->result = rval;
517 goto qc24_fail_command;
518 }
519
520 /* Close window on fcport/rport state-transitioning. */
521 if (fcport->drport)
522 goto qc24_target_busy;
523
524 if (atomic_read(&fcport->state) != FCS_ONLINE) {
525 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
526 atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
527 cmd->result = DID_NO_CONNECT << 16;
528 goto qc24_fail_command;
529 }
530 goto qc24_target_busy;
531 }
532
533 spin_unlock_irq(vha->host->host_lock);
534
535 sp = qla2x00_get_new_sp(base_vha, fcport, cmd, done);
536 if (!sp)
537 goto qc24_host_busy_lock;
538
539 rval = ha->isp_ops->start_scsi(sp);
540 if (rval != QLA_SUCCESS)
541 goto qc24_host_busy_free_sp;
542
543 spin_lock_irq(vha->host->host_lock);
544
545 return 0;
546
547 qc24_host_busy_free_sp:
548 qla2x00_sp_free_dma(sp);
549 mempool_free(sp, ha->srb_mempool);
550
551 qc24_host_busy_lock:
552 spin_lock_irq(vha->host->host_lock);
553 return SCSI_MLQUEUE_HOST_BUSY;
554
555 qc24_target_busy:
556 return SCSI_MLQUEUE_TARGET_BUSY;
557
558 qc24_fail_command:
559 done(cmd);
560
561 return 0;
562 }
563
564
565 /*
566 * qla2x00_eh_wait_on_command
567 * Waits for the command to be returned by the Firmware for some
568 * max time.
569 *
570 * Input:
571 * cmd = Scsi Command to wait on.
572 *
573 * Return:
574 * Not Found : 0
575 * Found : 1
576 */
577 static int
578 qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
579 {
580 #define ABORT_POLLING_PERIOD 1000
581 #define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
582 unsigned long wait_iter = ABORT_WAIT_ITER;
583 int ret = QLA_SUCCESS;
584
585 while (CMD_SP(cmd)) {
586 msleep(ABORT_POLLING_PERIOD);
587
588 if (--wait_iter)
589 break;
590 }
591 if (CMD_SP(cmd))
592 ret = QLA_FUNCTION_FAILED;
593
594 return ret;
595 }
596
597 /*
598 * qla2x00_wait_for_hba_online
599 * Wait till the HBA is online after going through
600 * <= MAX_RETRIES_OF_ISP_ABORT or
601 * finally HBA is disabled ie marked offline
602 *
603 * Input:
604 * ha - pointer to host adapter structure
605 *
606 * Note:
607 * Does context switching-Release SPIN_LOCK
608 * (if any) before calling this routine.
609 *
610 * Return:
611 * Success (Adapter is online) : 0
612 * Failed (Adapter is offline/disabled) : 1
613 */
614 int
615 qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
616 {
617 int return_status;
618 unsigned long wait_online;
619 struct qla_hw_data *ha = vha->hw;
620 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
621
622 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
623 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
624 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
625 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
626 ha->dpc_active) && time_before(jiffies, wait_online)) {
627
628 msleep(1000);
629 }
630 if (base_vha->flags.online)
631 return_status = QLA_SUCCESS;
632 else
633 return_status = QLA_FUNCTION_FAILED;
634
635 return (return_status);
636 }
637
638 /*
639 * qla2x00_wait_for_loop_ready
640 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
641 * to be in LOOP_READY state.
642 * Input:
643 * ha - pointer to host adapter structure
644 *
645 * Note:
646 * Does context switching-Release SPIN_LOCK
647 * (if any) before calling this routine.
648 *
649 *
650 * Return:
651 * Success (LOOP_READY) : 0
652 * Failed (LOOP_NOT_READY) : 1
653 */
654 static inline int
655 qla2x00_wait_for_loop_ready(scsi_qla_host_t *vha)
656 {
657 int return_status = QLA_SUCCESS;
658 unsigned long loop_timeout ;
659 struct qla_hw_data *ha = vha->hw;
660 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
661
662 /* wait for 5 min at the max for loop to be ready */
663 loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
664
665 while ((!atomic_read(&base_vha->loop_down_timer) &&
666 atomic_read(&base_vha->loop_state) == LOOP_DOWN) ||
667 atomic_read(&base_vha->loop_state) != LOOP_READY) {
668 if (atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
669 return_status = QLA_FUNCTION_FAILED;
670 break;
671 }
672 msleep(1000);
673 if (time_after_eq(jiffies, loop_timeout)) {
674 return_status = QLA_FUNCTION_FAILED;
675 break;
676 }
677 }
678 return (return_status);
679 }
680
681 void
682 qla2x00_abort_fcport_cmds(fc_port_t *fcport)
683 {
684 int cnt, que, id;
685 unsigned long flags;
686 srb_t *sp;
687 scsi_qla_host_t *vha = fcport->vha;
688 struct qla_hw_data *ha = vha->hw;
689 struct req_que *req;
690
691 spin_lock_irqsave(&ha->hardware_lock, flags);
692 for (que = 0; que < QLA_MAX_HOST_QUES; que++) {
693 id = vha->req_ques[que];
694 req = ha->req_q_map[id];
695 if (!req)
696 continue;
697 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
698 sp = req->outstanding_cmds[cnt];
699 if (!sp)
700 continue;
701 if (sp->fcport != fcport)
702 continue;
703
704 spin_unlock_irqrestore(&ha->hardware_lock, flags);
705 if (ha->isp_ops->abort_command(vha, sp, req)) {
706 DEBUG2(qla_printk(KERN_WARNING, ha,
707 "Abort failed -- %lx\n",
708 sp->cmd->serial_number));
709 } else {
710 if (qla2x00_eh_wait_on_command(sp->cmd) !=
711 QLA_SUCCESS)
712 DEBUG2(qla_printk(KERN_WARNING, ha,
713 "Abort failed while waiting -- %lx\n",
714 sp->cmd->serial_number));
715 }
716 spin_lock_irqsave(&ha->hardware_lock, flags);
717 }
718 }
719 spin_unlock_irqrestore(&ha->hardware_lock, flags);
720 }
721
722 static void
723 qla2x00_block_error_handler(struct scsi_cmnd *cmnd)
724 {
725 struct Scsi_Host *shost = cmnd->device->host;
726 struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device));
727 unsigned long flags;
728
729 spin_lock_irqsave(shost->host_lock, flags);
730 while (rport->port_state == FC_PORTSTATE_BLOCKED) {
731 spin_unlock_irqrestore(shost->host_lock, flags);
732 msleep(1000);
733 spin_lock_irqsave(shost->host_lock, flags);
734 }
735 spin_unlock_irqrestore(shost->host_lock, flags);
736 return;
737 }
738
739 /**************************************************************************
740 * qla2xxx_eh_abort
741 *
742 * Description:
743 * The abort function will abort the specified command.
744 *
745 * Input:
746 * cmd = Linux SCSI command packet to be aborted.
747 *
748 * Returns:
749 * Either SUCCESS or FAILED.
750 *
751 * Note:
752 * Only return FAILED if command not returned by firmware.
753 **************************************************************************/
754 static int
755 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
756 {
757 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
758 srb_t *sp;
759 int ret, i;
760 unsigned int id, lun;
761 unsigned long serial;
762 unsigned long flags;
763 int wait = 0;
764 struct qla_hw_data *ha = vha->hw;
765 struct req_que *req;
766 srb_t *spt;
767
768 qla2x00_block_error_handler(cmd);
769
770 if (!CMD_SP(cmd))
771 return SUCCESS;
772
773 ret = SUCCESS;
774
775 id = cmd->device->id;
776 lun = cmd->device->lun;
777 serial = cmd->serial_number;
778 spt = (srb_t *) CMD_SP(cmd);
779 if (!spt)
780 return SUCCESS;
781 req = spt->que;
782
783 /* Check active list for command command. */
784 spin_lock_irqsave(&ha->hardware_lock, flags);
785 for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
786 sp = req->outstanding_cmds[i];
787
788 if (sp == NULL)
789 continue;
790
791 if (sp->cmd != cmd)
792 continue;
793
794 DEBUG2(printk("%s(%ld): aborting sp %p from RISC."
795 " pid=%ld.\n", __func__, vha->host_no, sp, serial));
796
797 spin_unlock_irqrestore(&ha->hardware_lock, flags);
798 if (ha->isp_ops->abort_command(vha, sp, req)) {
799 DEBUG2(printk("%s(%ld): abort_command "
800 "mbx failed.\n", __func__, vha->host_no));
801 ret = FAILED;
802 } else {
803 DEBUG3(printk("%s(%ld): abort_command "
804 "mbx success.\n", __func__, vha->host_no));
805 wait = 1;
806 }
807 spin_lock_irqsave(&ha->hardware_lock, flags);
808 break;
809 }
810 spin_unlock_irqrestore(&ha->hardware_lock, flags);
811
812 /* Wait for the command to be returned. */
813 if (wait) {
814 if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
815 qla_printk(KERN_ERR, ha,
816 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
817 "%x.\n", vha->host_no, id, lun, serial, ret);
818 ret = FAILED;
819 }
820 }
821
822 qla_printk(KERN_INFO, ha,
823 "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
824 vha->host_no, id, lun, wait, serial, ret);
825
826 return ret;
827 }
828
829 enum nexus_wait_type {
830 WAIT_HOST = 0,
831 WAIT_TARGET,
832 WAIT_LUN,
833 };
834
835 static int
836 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
837 unsigned int l, srb_t *sp, enum nexus_wait_type type)
838 {
839 int cnt, match, status;
840 unsigned long flags;
841 struct qla_hw_data *ha = vha->hw;
842 struct req_que *req;
843
844 status = QLA_SUCCESS;
845 if (!sp)
846 return status;
847
848 spin_lock_irqsave(&ha->hardware_lock, flags);
849 req = sp->que;
850 for (cnt = 1; status == QLA_SUCCESS &&
851 cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
852 sp = req->outstanding_cmds[cnt];
853 if (!sp)
854 continue;
855
856 if (vha->vp_idx != sp->fcport->vha->vp_idx)
857 continue;
858 match = 0;
859 switch (type) {
860 case WAIT_HOST:
861 match = 1;
862 break;
863 case WAIT_TARGET:
864 match = sp->cmd->device->id == t;
865 break;
866 case WAIT_LUN:
867 match = (sp->cmd->device->id == t &&
868 sp->cmd->device->lun == l);
869 break;
870 }
871 if (!match)
872 continue;
873
874 spin_unlock_irqrestore(&ha->hardware_lock, flags);
875 status = qla2x00_eh_wait_on_command(sp->cmd);
876 spin_lock_irqsave(&ha->hardware_lock, flags);
877 }
878 spin_unlock_irqrestore(&ha->hardware_lock, flags);
879
880 return status;
881 }
882
883 static char *reset_errors[] = {
884 "HBA not online",
885 "HBA not ready",
886 "Task management failed",
887 "Waiting for command completions",
888 };
889
890 static int
891 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
892 struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int))
893 {
894 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
895 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
896 int err;
897
898 qla2x00_block_error_handler(cmd);
899
900 if (!fcport)
901 return FAILED;
902
903 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET ISSUED.\n",
904 vha->host_no, cmd->device->id, cmd->device->lun, name);
905
906 err = 0;
907 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
908 goto eh_reset_failed;
909 err = 1;
910 if (qla2x00_wait_for_loop_ready(vha) != QLA_SUCCESS)
911 goto eh_reset_failed;
912 err = 2;
913 if (do_reset(fcport, cmd->device->lun) != QLA_SUCCESS)
914 goto eh_reset_failed;
915 err = 3;
916 if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
917 cmd->device->lun, (srb_t *) CMD_SP(cmd), type) != QLA_SUCCESS)
918 goto eh_reset_failed;
919
920 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n",
921 vha->host_no, cmd->device->id, cmd->device->lun, name);
922
923 return SUCCESS;
924
925 eh_reset_failed:
926 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n"
927 , vha->host_no, cmd->device->id, cmd->device->lun, name,
928 reset_errors[err]);
929 return FAILED;
930 }
931
932 static int
933 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
934 {
935 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
936 struct qla_hw_data *ha = vha->hw;
937
938 return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
939 ha->isp_ops->lun_reset);
940 }
941
942 static int
943 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
944 {
945 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
946 struct qla_hw_data *ha = vha->hw;
947
948 return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
949 ha->isp_ops->target_reset);
950 }
951
952 /**************************************************************************
953 * qla2xxx_eh_bus_reset
954 *
955 * Description:
956 * The bus reset function will reset the bus and abort any executing
957 * commands.
958 *
959 * Input:
960 * cmd = Linux SCSI command packet of the command that cause the
961 * bus reset.
962 *
963 * Returns:
964 * SUCCESS/FAILURE (defined as macro in scsi.h).
965 *
966 **************************************************************************/
967 static int
968 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
969 {
970 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
971 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
972 int ret = FAILED;
973 unsigned int id, lun;
974 unsigned long serial;
975 srb_t *sp = (srb_t *) CMD_SP(cmd);
976
977 qla2x00_block_error_handler(cmd);
978
979 id = cmd->device->id;
980 lun = cmd->device->lun;
981 serial = cmd->serial_number;
982
983 if (!fcport)
984 return ret;
985
986 qla_printk(KERN_INFO, vha->hw,
987 "scsi(%ld:%d:%d): BUS RESET ISSUED.\n", vha->host_no, id, lun);
988
989 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
990 DEBUG2(printk("%s failed:board disabled\n",__func__));
991 goto eh_bus_reset_done;
992 }
993
994 if (qla2x00_wait_for_loop_ready(vha) == QLA_SUCCESS) {
995 if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
996 ret = SUCCESS;
997 }
998 if (ret == FAILED)
999 goto eh_bus_reset_done;
1000
1001 /* Flush outstanding commands. */
1002 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) !=
1003 QLA_SUCCESS)
1004 ret = FAILED;
1005
1006 eh_bus_reset_done:
1007 qla_printk(KERN_INFO, vha->hw, "%s: reset %s\n", __func__,
1008 (ret == FAILED) ? "failed" : "succeded");
1009
1010 return ret;
1011 }
1012
1013 /**************************************************************************
1014 * qla2xxx_eh_host_reset
1015 *
1016 * Description:
1017 * The reset function will reset the Adapter.
1018 *
1019 * Input:
1020 * cmd = Linux SCSI command packet of the command that cause the
1021 * adapter reset.
1022 *
1023 * Returns:
1024 * Either SUCCESS or FAILED.
1025 *
1026 * Note:
1027 **************************************************************************/
1028 static int
1029 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1030 {
1031 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1032 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1033 struct qla_hw_data *ha = vha->hw;
1034 int ret = FAILED;
1035 unsigned int id, lun;
1036 unsigned long serial;
1037 srb_t *sp = (srb_t *) CMD_SP(cmd);
1038 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1039
1040 qla2x00_block_error_handler(cmd);
1041
1042 id = cmd->device->id;
1043 lun = cmd->device->lun;
1044 serial = cmd->serial_number;
1045
1046 if (!fcport)
1047 return ret;
1048
1049 qla_printk(KERN_INFO, ha,
1050 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", vha->host_no, id, lun);
1051
1052 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
1053 goto eh_host_reset_lock;
1054
1055 /*
1056 * Fixme-may be dpc thread is active and processing
1057 * loop_resync,so wait a while for it to
1058 * be completed and then issue big hammer.Otherwise
1059 * it may cause I/O failure as big hammer marks the
1060 * devices as lost kicking of the port_down_timer
1061 * while dpc is stuck for the mailbox to complete.
1062 */
1063 qla2x00_wait_for_loop_ready(vha);
1064 if (vha != base_vha) {
1065 if (qla2x00_vp_abort_isp(vha))
1066 goto eh_host_reset_lock;
1067 } else {
1068 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1069 if (qla2x00_abort_isp(base_vha)) {
1070 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1071 /* failed. schedule dpc to try */
1072 set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1073
1074 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
1075 goto eh_host_reset_lock;
1076 }
1077 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1078 }
1079
1080 /* Waiting for command to be returned to OS.*/
1081 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) ==
1082 QLA_SUCCESS)
1083 ret = SUCCESS;
1084
1085 eh_host_reset_lock:
1086 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1087 (ret == FAILED) ? "failed" : "succeded");
1088
1089 return ret;
1090 }
1091
1092 /*
1093 * qla2x00_loop_reset
1094 * Issue loop reset.
1095 *
1096 * Input:
1097 * ha = adapter block pointer.
1098 *
1099 * Returns:
1100 * 0 = success
1101 */
1102 int
1103 qla2x00_loop_reset(scsi_qla_host_t *vha)
1104 {
1105 int ret;
1106 struct fc_port *fcport;
1107 struct qla_hw_data *ha = vha->hw;
1108
1109 if (ha->flags.enable_lip_full_login && !vha->vp_idx) {
1110 ret = qla2x00_full_login_lip(vha);
1111 if (ret != QLA_SUCCESS) {
1112 DEBUG2_3(printk("%s(%ld): failed: "
1113 "full_login_lip=%d.\n", __func__, vha->host_no,
1114 ret));
1115 }
1116 atomic_set(&vha->loop_state, LOOP_DOWN);
1117 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1118 qla2x00_mark_all_devices_lost(vha, 0);
1119 qla2x00_wait_for_loop_ready(vha);
1120 }
1121
1122 if (ha->flags.enable_lip_reset && !vha->vp_idx) {
1123 ret = qla2x00_lip_reset(vha);
1124 if (ret != QLA_SUCCESS) {
1125 DEBUG2_3(printk("%s(%ld): failed: "
1126 "lip_reset=%d.\n", __func__, vha->host_no, ret));
1127 } else
1128 qla2x00_wait_for_loop_ready(vha);
1129 }
1130
1131 if (ha->flags.enable_target_reset) {
1132 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1133 if (fcport->port_type != FCT_TARGET)
1134 continue;
1135
1136 ret = ha->isp_ops->target_reset(fcport, 0);
1137 if (ret != QLA_SUCCESS) {
1138 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1139 "target_reset=%d d_id=%x.\n", __func__,
1140 vha->host_no, ret, fcport->d_id.b24));
1141 }
1142 }
1143 }
1144 /* Issue marker command only when we are going to start the I/O */
1145 vha->marker_needed = 1;
1146
1147 return QLA_SUCCESS;
1148 }
1149
1150 void
1151 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1152 {
1153 int que, cnt;
1154 unsigned long flags;
1155 srb_t *sp;
1156 struct qla_hw_data *ha = vha->hw;
1157 struct req_que *req;
1158
1159 spin_lock_irqsave(&ha->hardware_lock, flags);
1160 for (que = 0; que < ha->max_queues; que++) {
1161 req = ha->req_q_map[que];
1162 if (!req)
1163 continue;
1164 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1165 sp = req->outstanding_cmds[cnt];
1166 if (sp && sp->fcport->vha == vha) {
1167 req->outstanding_cmds[cnt] = NULL;
1168 sp->cmd->result = res;
1169 qla2x00_sp_compl(ha, sp);
1170 }
1171 }
1172 }
1173 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1174 }
1175
1176 static int
1177 qla2xxx_slave_alloc(struct scsi_device *sdev)
1178 {
1179 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1180
1181 if (!rport || fc_remote_port_chkready(rport))
1182 return -ENXIO;
1183
1184 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1185
1186 return 0;
1187 }
1188
1189 static int
1190 qla2xxx_slave_configure(struct scsi_device *sdev)
1191 {
1192 scsi_qla_host_t *vha = shost_priv(sdev->host);
1193 struct qla_hw_data *ha = vha->hw;
1194 struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1195 struct req_que *req = ha->req_q_map[vha->req_ques[0]];
1196
1197 if (sdev->tagged_supported)
1198 scsi_activate_tcq(sdev, req->max_q_depth);
1199 else
1200 scsi_deactivate_tcq(sdev, req->max_q_depth);
1201
1202 rport->dev_loss_tmo = ha->port_down_retry_count;
1203
1204 return 0;
1205 }
1206
1207 static void
1208 qla2xxx_slave_destroy(struct scsi_device *sdev)
1209 {
1210 sdev->hostdata = NULL;
1211 }
1212
1213 static int
1214 qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
1215 {
1216 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1217 return sdev->queue_depth;
1218 }
1219
1220 static int
1221 qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1222 {
1223 if (sdev->tagged_supported) {
1224 scsi_set_tag_type(sdev, tag_type);
1225 if (tag_type)
1226 scsi_activate_tcq(sdev, sdev->queue_depth);
1227 else
1228 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1229 } else
1230 tag_type = 0;
1231
1232 return tag_type;
1233 }
1234
1235 /**
1236 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1237 * @ha: HA context
1238 *
1239 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1240 * supported addressing method.
1241 */
1242 static void
1243 qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1244 {
1245 /* Assume a 32bit DMA mask. */
1246 ha->flags.enable_64bit_addressing = 0;
1247
1248 if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) {
1249 /* Any upper-dword bits set? */
1250 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1251 !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) {
1252 /* Ok, a 64bit DMA mask is applicable. */
1253 ha->flags.enable_64bit_addressing = 1;
1254 ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1255 ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1256 return;
1257 }
1258 }
1259
1260 dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK);
1261 pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK);
1262 }
1263
1264 static void
1265 qla2x00_enable_intrs(struct qla_hw_data *ha)
1266 {
1267 unsigned long flags = 0;
1268 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1269
1270 spin_lock_irqsave(&ha->hardware_lock, flags);
1271 ha->interrupts_on = 1;
1272 /* enable risc and host interrupts */
1273 WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1274 RD_REG_WORD(&reg->ictrl);
1275 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1276
1277 }
1278
1279 static void
1280 qla2x00_disable_intrs(struct qla_hw_data *ha)
1281 {
1282 unsigned long flags = 0;
1283 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1284
1285 spin_lock_irqsave(&ha->hardware_lock, flags);
1286 ha->interrupts_on = 0;
1287 /* disable risc and host interrupts */
1288 WRT_REG_WORD(&reg->ictrl, 0);
1289 RD_REG_WORD(&reg->ictrl);
1290 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1291 }
1292
1293 static void
1294 qla24xx_enable_intrs(struct qla_hw_data *ha)
1295 {
1296 unsigned long flags = 0;
1297 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1298
1299 spin_lock_irqsave(&ha->hardware_lock, flags);
1300 ha->interrupts_on = 1;
1301 WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1302 RD_REG_DWORD(&reg->ictrl);
1303 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1304 }
1305
1306 static void
1307 qla24xx_disable_intrs(struct qla_hw_data *ha)
1308 {
1309 unsigned long flags = 0;
1310 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1311
1312 if (IS_NOPOLLING_TYPE(ha))
1313 return;
1314 spin_lock_irqsave(&ha->hardware_lock, flags);
1315 ha->interrupts_on = 0;
1316 WRT_REG_DWORD(&reg->ictrl, 0);
1317 RD_REG_DWORD(&reg->ictrl);
1318 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1319 }
1320
1321 static struct isp_operations qla2100_isp_ops = {
1322 .pci_config = qla2100_pci_config,
1323 .reset_chip = qla2x00_reset_chip,
1324 .chip_diag = qla2x00_chip_diag,
1325 .config_rings = qla2x00_config_rings,
1326 .reset_adapter = qla2x00_reset_adapter,
1327 .nvram_config = qla2x00_nvram_config,
1328 .update_fw_options = qla2x00_update_fw_options,
1329 .load_risc = qla2x00_load_risc,
1330 .pci_info_str = qla2x00_pci_info_str,
1331 .fw_version_str = qla2x00_fw_version_str,
1332 .intr_handler = qla2100_intr_handler,
1333 .enable_intrs = qla2x00_enable_intrs,
1334 .disable_intrs = qla2x00_disable_intrs,
1335 .abort_command = qla2x00_abort_command,
1336 .target_reset = qla2x00_abort_target,
1337 .lun_reset = qla2x00_lun_reset,
1338 .fabric_login = qla2x00_login_fabric,
1339 .fabric_logout = qla2x00_fabric_logout,
1340 .calc_req_entries = qla2x00_calc_iocbs_32,
1341 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1342 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1343 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1344 .read_nvram = qla2x00_read_nvram_data,
1345 .write_nvram = qla2x00_write_nvram_data,
1346 .fw_dump = qla2100_fw_dump,
1347 .beacon_on = NULL,
1348 .beacon_off = NULL,
1349 .beacon_blink = NULL,
1350 .read_optrom = qla2x00_read_optrom_data,
1351 .write_optrom = qla2x00_write_optrom_data,
1352 .get_flash_version = qla2x00_get_flash_version,
1353 .start_scsi = qla2x00_start_scsi,
1354 };
1355
1356 static struct isp_operations qla2300_isp_ops = {
1357 .pci_config = qla2300_pci_config,
1358 .reset_chip = qla2x00_reset_chip,
1359 .chip_diag = qla2x00_chip_diag,
1360 .config_rings = qla2x00_config_rings,
1361 .reset_adapter = qla2x00_reset_adapter,
1362 .nvram_config = qla2x00_nvram_config,
1363 .update_fw_options = qla2x00_update_fw_options,
1364 .load_risc = qla2x00_load_risc,
1365 .pci_info_str = qla2x00_pci_info_str,
1366 .fw_version_str = qla2x00_fw_version_str,
1367 .intr_handler = qla2300_intr_handler,
1368 .enable_intrs = qla2x00_enable_intrs,
1369 .disable_intrs = qla2x00_disable_intrs,
1370 .abort_command = qla2x00_abort_command,
1371 .target_reset = qla2x00_abort_target,
1372 .lun_reset = qla2x00_lun_reset,
1373 .fabric_login = qla2x00_login_fabric,
1374 .fabric_logout = qla2x00_fabric_logout,
1375 .calc_req_entries = qla2x00_calc_iocbs_32,
1376 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1377 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1378 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1379 .read_nvram = qla2x00_read_nvram_data,
1380 .write_nvram = qla2x00_write_nvram_data,
1381 .fw_dump = qla2300_fw_dump,
1382 .beacon_on = qla2x00_beacon_on,
1383 .beacon_off = qla2x00_beacon_off,
1384 .beacon_blink = qla2x00_beacon_blink,
1385 .read_optrom = qla2x00_read_optrom_data,
1386 .write_optrom = qla2x00_write_optrom_data,
1387 .get_flash_version = qla2x00_get_flash_version,
1388 .start_scsi = qla2x00_start_scsi,
1389 };
1390
1391 static struct isp_operations qla24xx_isp_ops = {
1392 .pci_config = qla24xx_pci_config,
1393 .reset_chip = qla24xx_reset_chip,
1394 .chip_diag = qla24xx_chip_diag,
1395 .config_rings = qla24xx_config_rings,
1396 .reset_adapter = qla24xx_reset_adapter,
1397 .nvram_config = qla24xx_nvram_config,
1398 .update_fw_options = qla24xx_update_fw_options,
1399 .load_risc = qla24xx_load_risc,
1400 .pci_info_str = qla24xx_pci_info_str,
1401 .fw_version_str = qla24xx_fw_version_str,
1402 .intr_handler = qla24xx_intr_handler,
1403 .enable_intrs = qla24xx_enable_intrs,
1404 .disable_intrs = qla24xx_disable_intrs,
1405 .abort_command = qla24xx_abort_command,
1406 .target_reset = qla24xx_abort_target,
1407 .lun_reset = qla24xx_lun_reset,
1408 .fabric_login = qla24xx_login_fabric,
1409 .fabric_logout = qla24xx_fabric_logout,
1410 .calc_req_entries = NULL,
1411 .build_iocbs = NULL,
1412 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1413 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1414 .read_nvram = qla24xx_read_nvram_data,
1415 .write_nvram = qla24xx_write_nvram_data,
1416 .fw_dump = qla24xx_fw_dump,
1417 .beacon_on = qla24xx_beacon_on,
1418 .beacon_off = qla24xx_beacon_off,
1419 .beacon_blink = qla24xx_beacon_blink,
1420 .read_optrom = qla24xx_read_optrom_data,
1421 .write_optrom = qla24xx_write_optrom_data,
1422 .get_flash_version = qla24xx_get_flash_version,
1423 .start_scsi = qla24xx_start_scsi,
1424 };
1425
1426 static struct isp_operations qla25xx_isp_ops = {
1427 .pci_config = qla25xx_pci_config,
1428 .reset_chip = qla24xx_reset_chip,
1429 .chip_diag = qla24xx_chip_diag,
1430 .config_rings = qla24xx_config_rings,
1431 .reset_adapter = qla24xx_reset_adapter,
1432 .nvram_config = qla24xx_nvram_config,
1433 .update_fw_options = qla24xx_update_fw_options,
1434 .load_risc = qla24xx_load_risc,
1435 .pci_info_str = qla24xx_pci_info_str,
1436 .fw_version_str = qla24xx_fw_version_str,
1437 .intr_handler = qla24xx_intr_handler,
1438 .enable_intrs = qla24xx_enable_intrs,
1439 .disable_intrs = qla24xx_disable_intrs,
1440 .abort_command = qla24xx_abort_command,
1441 .target_reset = qla24xx_abort_target,
1442 .lun_reset = qla24xx_lun_reset,
1443 .fabric_login = qla24xx_login_fabric,
1444 .fabric_logout = qla24xx_fabric_logout,
1445 .calc_req_entries = NULL,
1446 .build_iocbs = NULL,
1447 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1448 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1449 .read_nvram = qla25xx_read_nvram_data,
1450 .write_nvram = qla25xx_write_nvram_data,
1451 .fw_dump = qla25xx_fw_dump,
1452 .beacon_on = qla24xx_beacon_on,
1453 .beacon_off = qla24xx_beacon_off,
1454 .beacon_blink = qla24xx_beacon_blink,
1455 .read_optrom = qla25xx_read_optrom_data,
1456 .write_optrom = qla24xx_write_optrom_data,
1457 .get_flash_version = qla24xx_get_flash_version,
1458 .start_scsi = qla24xx_start_scsi,
1459 };
1460
1461 static struct isp_operations qla81xx_isp_ops = {
1462 .pci_config = qla25xx_pci_config,
1463 .reset_chip = qla24xx_reset_chip,
1464 .chip_diag = qla24xx_chip_diag,
1465 .config_rings = qla24xx_config_rings,
1466 .reset_adapter = qla24xx_reset_adapter,
1467 .nvram_config = qla81xx_nvram_config,
1468 .update_fw_options = qla81xx_update_fw_options,
1469 .load_risc = qla81xx_load_risc,
1470 .pci_info_str = qla24xx_pci_info_str,
1471 .fw_version_str = qla24xx_fw_version_str,
1472 .intr_handler = qla24xx_intr_handler,
1473 .enable_intrs = qla24xx_enable_intrs,
1474 .disable_intrs = qla24xx_disable_intrs,
1475 .abort_command = qla24xx_abort_command,
1476 .target_reset = qla24xx_abort_target,
1477 .lun_reset = qla24xx_lun_reset,
1478 .fabric_login = qla24xx_login_fabric,
1479 .fabric_logout = qla24xx_fabric_logout,
1480 .calc_req_entries = NULL,
1481 .build_iocbs = NULL,
1482 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1483 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1484 .read_nvram = qla25xx_read_nvram_data,
1485 .write_nvram = qla25xx_write_nvram_data,
1486 .fw_dump = qla81xx_fw_dump,
1487 .beacon_on = qla24xx_beacon_on,
1488 .beacon_off = qla24xx_beacon_off,
1489 .beacon_blink = qla24xx_beacon_blink,
1490 .read_optrom = qla25xx_read_optrom_data,
1491 .write_optrom = qla24xx_write_optrom_data,
1492 .get_flash_version = qla24xx_get_flash_version,
1493 .start_scsi = qla24xx_start_scsi,
1494 };
1495
1496 static inline void
1497 qla2x00_set_isp_flags(struct qla_hw_data *ha)
1498 {
1499 ha->device_type = DT_EXTENDED_IDS;
1500 switch (ha->pdev->device) {
1501 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1502 ha->device_type |= DT_ISP2100;
1503 ha->device_type &= ~DT_EXTENDED_IDS;
1504 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1505 break;
1506 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1507 ha->device_type |= DT_ISP2200;
1508 ha->device_type &= ~DT_EXTENDED_IDS;
1509 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1510 break;
1511 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1512 ha->device_type |= DT_ISP2300;
1513 ha->device_type |= DT_ZIO_SUPPORTED;
1514 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1515 break;
1516 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1517 ha->device_type |= DT_ISP2312;
1518 ha->device_type |= DT_ZIO_SUPPORTED;
1519 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1520 break;
1521 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1522 ha->device_type |= DT_ISP2322;
1523 ha->device_type |= DT_ZIO_SUPPORTED;
1524 if (ha->pdev->subsystem_vendor == 0x1028 &&
1525 ha->pdev->subsystem_device == 0x0170)
1526 ha->device_type |= DT_OEM_001;
1527 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1528 break;
1529 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1530 ha->device_type |= DT_ISP6312;
1531 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1532 break;
1533 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1534 ha->device_type |= DT_ISP6322;
1535 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1536 break;
1537 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1538 ha->device_type |= DT_ISP2422;
1539 ha->device_type |= DT_ZIO_SUPPORTED;
1540 ha->device_type |= DT_FWI2;
1541 ha->device_type |= DT_IIDMA;
1542 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1543 break;
1544 case PCI_DEVICE_ID_QLOGIC_ISP2432:
1545 ha->device_type |= DT_ISP2432;
1546 ha->device_type |= DT_ZIO_SUPPORTED;
1547 ha->device_type |= DT_FWI2;
1548 ha->device_type |= DT_IIDMA;
1549 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1550 break;
1551 case PCI_DEVICE_ID_QLOGIC_ISP8432:
1552 ha->device_type |= DT_ISP8432;
1553 ha->device_type |= DT_ZIO_SUPPORTED;
1554 ha->device_type |= DT_FWI2;
1555 ha->device_type |= DT_IIDMA;
1556 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1557 break;
1558 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1559 ha->device_type |= DT_ISP5422;
1560 ha->device_type |= DT_FWI2;
1561 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1562 break;
1563 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1564 ha->device_type |= DT_ISP5432;
1565 ha->device_type |= DT_FWI2;
1566 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1567 break;
1568 case PCI_DEVICE_ID_QLOGIC_ISP2532:
1569 ha->device_type |= DT_ISP2532;
1570 ha->device_type |= DT_ZIO_SUPPORTED;
1571 ha->device_type |= DT_FWI2;
1572 ha->device_type |= DT_IIDMA;
1573 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1574 break;
1575 case PCI_DEVICE_ID_QLOGIC_ISP8001:
1576 ha->device_type |= DT_ISP8001;
1577 ha->device_type |= DT_ZIO_SUPPORTED;
1578 ha->device_type |= DT_FWI2;
1579 ha->device_type |= DT_IIDMA;
1580 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1581 break;
1582 }
1583 }
1584
1585 static int
1586 qla2x00_iospace_config(struct qla_hw_data *ha)
1587 {
1588 resource_size_t pio;
1589 uint16_t msix;
1590
1591 if (pci_request_selected_regions(ha->pdev, ha->bars,
1592 QLA2XXX_DRIVER_NAME)) {
1593 qla_printk(KERN_WARNING, ha,
1594 "Failed to reserve PIO/MMIO regions (%s)\n",
1595 pci_name(ha->pdev));
1596
1597 goto iospace_error_exit;
1598 }
1599 if (!(ha->bars & 1))
1600 goto skip_pio;
1601
1602 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1603 pio = pci_resource_start(ha->pdev, 0);
1604 if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1605 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1606 qla_printk(KERN_WARNING, ha,
1607 "Invalid PCI I/O region size (%s)...\n",
1608 pci_name(ha->pdev));
1609 pio = 0;
1610 }
1611 } else {
1612 qla_printk(KERN_WARNING, ha,
1613 "region #0 not a PIO resource (%s)...\n",
1614 pci_name(ha->pdev));
1615 pio = 0;
1616 }
1617 ha->pio_address = pio;
1618
1619 skip_pio:
1620 /* Use MMIO operations for all accesses. */
1621 if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1622 qla_printk(KERN_ERR, ha,
1623 "region #1 not an MMIO resource (%s), aborting\n",
1624 pci_name(ha->pdev));
1625 goto iospace_error_exit;
1626 }
1627 if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1628 qla_printk(KERN_ERR, ha,
1629 "Invalid PCI mem region size (%s), aborting\n",
1630 pci_name(ha->pdev));
1631 goto iospace_error_exit;
1632 }
1633
1634 ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1635 if (!ha->iobase) {
1636 qla_printk(KERN_ERR, ha,
1637 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1638
1639 goto iospace_error_exit;
1640 }
1641
1642 /* Determine queue resources */
1643 ha->max_queues = 1;
1644 if (ql2xmaxqueues <= 1 || (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
1645 goto mqiobase_exit;
1646 ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1647 pci_resource_len(ha->pdev, 3));
1648 if (ha->mqiobase) {
1649 /* Read MSIX vector size of the board */
1650 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1651 ha->msix_count = msix;
1652 /* Max queues are bounded by available msix vectors */
1653 /* queue 0 uses two msix vectors */
1654 if (ha->msix_count - 1 < ql2xmaxqueues)
1655 ha->max_queues = ha->msix_count - 1;
1656 else if (ql2xmaxqueues > QLA_MQ_SIZE)
1657 ha->max_queues = QLA_MQ_SIZE;
1658 else
1659 ha->max_queues = ql2xmaxqueues;
1660 qla_printk(KERN_INFO, ha,
1661 "MSI-X vector count: %d\n", msix);
1662 }
1663
1664 mqiobase_exit:
1665 ha->msix_count = ha->max_queues + 1;
1666 return (0);
1667
1668 iospace_error_exit:
1669 return (-ENOMEM);
1670 }
1671
1672 static void
1673 qla2xxx_scan_start(struct Scsi_Host *shost)
1674 {
1675 scsi_qla_host_t *vha = shost_priv(shost);
1676
1677 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1678 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1679 set_bit(RSCN_UPDATE, &vha->dpc_flags);
1680 set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
1681 }
1682
1683 static int
1684 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1685 {
1686 scsi_qla_host_t *vha = shost_priv(shost);
1687
1688 if (!vha->host)
1689 return 1;
1690 if (time > vha->hw->loop_reset_delay * HZ)
1691 return 1;
1692
1693 return atomic_read(&vha->loop_state) == LOOP_READY;
1694 }
1695
1696 /*
1697 * PCI driver interface
1698 */
1699 static int __devinit
1700 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1701 {
1702 int ret = -ENODEV;
1703 struct Scsi_Host *host;
1704 scsi_qla_host_t *base_vha = NULL;
1705 struct qla_hw_data *ha;
1706 char pci_info[30];
1707 char fw_str[30];
1708 struct scsi_host_template *sht;
1709 int bars, max_id, mem_only = 0;
1710 uint16_t req_length = 0, rsp_length = 0;
1711 struct req_que *req = NULL;
1712 struct rsp_que *rsp = NULL;
1713
1714 bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
1715 sht = &qla2x00_driver_template;
1716 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
1717 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
1718 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
1719 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
1720 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
1721 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
1722 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001) {
1723 bars = pci_select_bars(pdev, IORESOURCE_MEM);
1724 sht = &qla24xx_driver_template;
1725 mem_only = 1;
1726 }
1727
1728 if (mem_only) {
1729 if (pci_enable_device_mem(pdev))
1730 goto probe_out;
1731 } else {
1732 if (pci_enable_device(pdev))
1733 goto probe_out;
1734 }
1735
1736 /* This may fail but that's ok */
1737 pci_enable_pcie_error_reporting(pdev);
1738
1739 ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
1740 if (!ha) {
1741 DEBUG(printk("Unable to allocate memory for ha\n"));
1742 goto probe_out;
1743 }
1744 ha->pdev = pdev;
1745
1746 /* Clear our data area */
1747 ha->bars = bars;
1748 ha->mem_only = mem_only;
1749 spin_lock_init(&ha->hardware_lock);
1750
1751 /* Set ISP-type information. */
1752 qla2x00_set_isp_flags(ha);
1753 /* Configure PCI I/O space */
1754 ret = qla2x00_iospace_config(ha);
1755 if (ret)
1756 goto probe_hw_failed;
1757
1758 qla_printk(KERN_INFO, ha,
1759 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1760 ha->iobase);
1761
1762 ha->prev_topology = 0;
1763 ha->init_cb_size = sizeof(init_cb_t);
1764 ha->link_data_rate = PORT_SPEED_UNKNOWN;
1765 ha->optrom_size = OPTROM_SIZE_2300;
1766
1767 /* Assign ISP specific operations. */
1768 max_id = MAX_TARGETS_2200;
1769 if (IS_QLA2100(ha)) {
1770 max_id = MAX_TARGETS_2100;
1771 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
1772 req_length = REQUEST_ENTRY_CNT_2100;
1773 rsp_length = RESPONSE_ENTRY_CNT_2100;
1774 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
1775 ha->gid_list_info_size = 4;
1776 ha->flash_conf_off = ~0;
1777 ha->flash_data_off = ~0;
1778 ha->nvram_conf_off = ~0;
1779 ha->nvram_data_off = ~0;
1780 ha->isp_ops = &qla2100_isp_ops;
1781 } else if (IS_QLA2200(ha)) {
1782 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1783 req_length = REQUEST_ENTRY_CNT_2200;
1784 rsp_length = RESPONSE_ENTRY_CNT_2100;
1785 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
1786 ha->gid_list_info_size = 4;
1787 ha->flash_conf_off = ~0;
1788 ha->flash_data_off = ~0;
1789 ha->nvram_conf_off = ~0;
1790 ha->nvram_data_off = ~0;
1791 ha->isp_ops = &qla2100_isp_ops;
1792 } else if (IS_QLA23XX(ha)) {
1793 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1794 req_length = REQUEST_ENTRY_CNT_2200;
1795 rsp_length = RESPONSE_ENTRY_CNT_2300;
1796 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1797 ha->gid_list_info_size = 6;
1798 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1799 ha->optrom_size = OPTROM_SIZE_2322;
1800 ha->flash_conf_off = ~0;
1801 ha->flash_data_off = ~0;
1802 ha->nvram_conf_off = ~0;
1803 ha->nvram_data_off = ~0;
1804 ha->isp_ops = &qla2300_isp_ops;
1805 } else if (IS_QLA24XX_TYPE(ha)) {
1806 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1807 req_length = REQUEST_ENTRY_CNT_24XX;
1808 rsp_length = RESPONSE_ENTRY_CNT_2300;
1809 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1810 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1811 ha->gid_list_info_size = 8;
1812 ha->optrom_size = OPTROM_SIZE_24XX;
1813 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
1814 ha->isp_ops = &qla24xx_isp_ops;
1815 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
1816 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
1817 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
1818 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
1819 } else if (IS_QLA25XX(ha)) {
1820 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1821 req_length = REQUEST_ENTRY_CNT_24XX;
1822 rsp_length = RESPONSE_ENTRY_CNT_2300;
1823 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1824 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1825 ha->gid_list_info_size = 8;
1826 ha->optrom_size = OPTROM_SIZE_25XX;
1827 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
1828 ha->isp_ops = &qla25xx_isp_ops;
1829 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
1830 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
1831 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
1832 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
1833 } else if (IS_QLA81XX(ha)) {
1834 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1835 req_length = REQUEST_ENTRY_CNT_24XX;
1836 rsp_length = RESPONSE_ENTRY_CNT_2300;
1837 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1838 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
1839 ha->gid_list_info_size = 8;
1840 ha->optrom_size = OPTROM_SIZE_81XX;
1841 ha->isp_ops = &qla81xx_isp_ops;
1842 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
1843 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
1844 ha->nvram_conf_off = ~0;
1845 ha->nvram_data_off = ~0;
1846 }
1847
1848 mutex_init(&ha->vport_lock);
1849 init_completion(&ha->mbx_cmd_comp);
1850 complete(&ha->mbx_cmd_comp);
1851 init_completion(&ha->mbx_intr_comp);
1852
1853 set_bit(0, (unsigned long *) ha->vp_idx_map);
1854
1855 qla2x00_config_dma_addressing(ha);
1856 ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
1857 if (!ret) {
1858 qla_printk(KERN_WARNING, ha,
1859 "[ERROR] Failed to allocate memory for adapter\n");
1860
1861 goto probe_hw_failed;
1862 }
1863
1864 req->max_q_depth = MAX_Q_DEPTH;
1865 if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
1866 req->max_q_depth = ql2xmaxqdepth;
1867
1868
1869 base_vha = qla2x00_create_host(sht, ha);
1870 if (!base_vha) {
1871 qla_printk(KERN_WARNING, ha,
1872 "[ERROR] Failed to allocate memory for scsi_host\n");
1873
1874 ret = -ENOMEM;
1875 qla2x00_mem_free(ha);
1876 qla2x00_free_que(ha, req, rsp);
1877 goto probe_hw_failed;
1878 }
1879
1880 pci_set_drvdata(pdev, base_vha);
1881
1882 host = base_vha->host;
1883 base_vha->req_ques[0] = req->id;
1884 host->can_queue = req->length + 128;
1885 if (IS_QLA2XXX_MIDTYPE(ha))
1886 base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
1887 else
1888 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
1889 base_vha->vp_idx;
1890 if (IS_QLA2100(ha))
1891 host->sg_tablesize = 32;
1892 host->max_id = max_id;
1893 host->this_id = 255;
1894 host->cmd_per_lun = 3;
1895 host->unique_id = host->host_no;
1896 host->max_cmd_len = MAX_CMDSZ;
1897 host->max_channel = MAX_BUSES - 1;
1898 host->max_lun = MAX_LUNS;
1899 host->transportt = qla2xxx_transport_template;
1900
1901 /* Set up the irqs */
1902 ret = qla2x00_request_irqs(ha, rsp);
1903 if (ret)
1904 goto probe_init_failed;
1905 /* Alloc arrays of request and response ring ptrs */
1906 if (!qla2x00_alloc_queues(ha)) {
1907 qla_printk(KERN_WARNING, ha,
1908 "[ERROR] Failed to allocate memory for queue"
1909 " pointers\n");
1910 goto probe_init_failed;
1911 }
1912 ha->rsp_q_map[0] = rsp;
1913 ha->req_q_map[0] = req;
1914
1915 /* FWI2-capable only. */
1916 req->req_q_in = &ha->iobase->isp24.req_q_in;
1917 req->req_q_out = &ha->iobase->isp24.req_q_out;
1918 rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
1919 rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
1920 if (ha->mqenable) {
1921 req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
1922 req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
1923 rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
1924 rsp->rsp_q_out = &ha->mqiobase->isp25mq.rsp_q_out;
1925 }
1926
1927 if (qla2x00_initialize_adapter(base_vha)) {
1928 qla_printk(KERN_WARNING, ha,
1929 "Failed to initialize adapter\n");
1930
1931 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1932 "Adapter flags %x.\n",
1933 base_vha->host_no, base_vha->device_flags));
1934
1935 ret = -ENODEV;
1936 goto probe_failed;
1937 }
1938
1939 /*
1940 * Startup the kernel thread for this host adapter
1941 */
1942 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
1943 "%s_dpc", base_vha->host_str);
1944 if (IS_ERR(ha->dpc_thread)) {
1945 qla_printk(KERN_WARNING, ha,
1946 "Unable to start DPC thread!\n");
1947 ret = PTR_ERR(ha->dpc_thread);
1948 goto probe_failed;
1949 }
1950
1951 list_add_tail(&base_vha->list, &ha->vp_list);
1952 base_vha->host->irq = ha->pdev->irq;
1953
1954 /* Initialized the timer */
1955 qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
1956
1957 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
1958 base_vha->host_no, ha));
1959
1960 base_vha->flags.init_done = 1;
1961 base_vha->flags.online = 1;
1962
1963 ret = scsi_add_host(host, &pdev->dev);
1964 if (ret)
1965 goto probe_failed;
1966
1967 ha->isp_ops->enable_intrs(ha);
1968
1969 scsi_scan_host(host);
1970
1971 qla2x00_alloc_sysfs_attr(base_vha);
1972
1973 qla2x00_init_host_attr(base_vha);
1974
1975 qla2x00_dfs_setup(base_vha);
1976
1977 qla_printk(KERN_INFO, ha, "\n"
1978 " QLogic Fibre Channel HBA Driver: %s\n"
1979 " QLogic %s - %s\n"
1980 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
1981 qla2x00_version_str, ha->model_number,
1982 ha->model_desc ? ha->model_desc : "", pdev->device,
1983 ha->isp_ops->pci_info_str(base_vha, pci_info), pci_name(pdev),
1984 ha->flags.enable_64bit_addressing ? '+' : '-', base_vha->host_no,
1985 ha->isp_ops->fw_version_str(base_vha, fw_str));
1986
1987 return 0;
1988
1989 probe_init_failed:
1990 qla2x00_free_que(ha, req, rsp);
1991 ha->max_queues = 0;
1992
1993 probe_failed:
1994 qla2x00_free_device(base_vha);
1995
1996 scsi_host_put(base_vha->host);
1997
1998 probe_hw_failed:
1999 if (ha->iobase)
2000 iounmap(ha->iobase);
2001
2002 pci_release_selected_regions(ha->pdev, ha->bars);
2003 kfree(ha);
2004 ha = NULL;
2005
2006 probe_out:
2007 pci_disable_device(pdev);
2008 return ret;
2009 }
2010
2011 static void
2012 qla2x00_remove_one(struct pci_dev *pdev)
2013 {
2014 scsi_qla_host_t *base_vha, *vha, *temp;
2015 struct qla_hw_data *ha;
2016
2017 base_vha = pci_get_drvdata(pdev);
2018 ha = base_vha->hw;
2019
2020 list_for_each_entry_safe(vha, temp, &ha->vp_list, list) {
2021 if (vha && vha->fc_vport)
2022 fc_vport_terminate(vha->fc_vport);
2023 }
2024
2025 set_bit(UNLOADING, &base_vha->dpc_flags);
2026
2027 qla2x00_dfs_remove(base_vha);
2028
2029 qla84xx_put_chip(base_vha);
2030
2031 qla2x00_free_sysfs_attr(base_vha);
2032
2033 fc_remove_host(base_vha->host);
2034
2035 scsi_remove_host(base_vha->host);
2036
2037 qla2x00_free_device(base_vha);
2038
2039 scsi_host_put(base_vha->host);
2040
2041 if (ha->iobase)
2042 iounmap(ha->iobase);
2043
2044 if (ha->mqiobase)
2045 iounmap(ha->mqiobase);
2046
2047 pci_release_selected_regions(ha->pdev, ha->bars);
2048 kfree(ha);
2049 ha = NULL;
2050
2051 pci_disable_device(pdev);
2052 pci_set_drvdata(pdev, NULL);
2053 }
2054
2055 static void
2056 qla2x00_free_device(scsi_qla_host_t *vha)
2057 {
2058 struct qla_hw_data *ha = vha->hw;
2059 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
2060
2061 /* Disable timer */
2062 if (vha->timer_active)
2063 qla2x00_stop_timer(vha);
2064
2065 vha->flags.online = 0;
2066
2067 /* Kill the kernel thread for this host */
2068 if (ha->dpc_thread) {
2069 struct task_struct *t = ha->dpc_thread;
2070
2071 /*
2072 * qla2xxx_wake_dpc checks for ->dpc_thread
2073 * so we need to zero it out.
2074 */
2075 ha->dpc_thread = NULL;
2076 kthread_stop(t);
2077 }
2078
2079 if (ha->flags.fce_enabled)
2080 qla2x00_disable_fce_trace(vha, NULL, NULL);
2081
2082 if (ha->eft)
2083 qla2x00_disable_eft_trace(vha);
2084
2085 /* Stop currently executing firmware. */
2086 qla2x00_try_to_stop_firmware(vha);
2087
2088 /* turn-off interrupts on the card */
2089 if (ha->interrupts_on)
2090 ha->isp_ops->disable_intrs(ha);
2091
2092 qla2x00_free_irqs(vha);
2093
2094 qla2x00_mem_free(ha);
2095
2096 qla2x00_free_queues(ha);
2097 }
2098
2099 static inline void
2100 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
2101 int defer)
2102 {
2103 struct fc_rport *rport;
2104
2105 if (!fcport->rport)
2106 return;
2107
2108 rport = fcport->rport;
2109 if (defer) {
2110 spin_lock_irq(vha->host->host_lock);
2111 fcport->drport = rport;
2112 spin_unlock_irq(vha->host->host_lock);
2113 set_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags);
2114 qla2xxx_wake_dpc(vha);
2115 } else
2116 fc_remote_port_delete(rport);
2117 }
2118
2119 /*
2120 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
2121 *
2122 * Input: ha = adapter block pointer. fcport = port structure pointer.
2123 *
2124 * Return: None.
2125 *
2126 * Context:
2127 */
2128 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
2129 int do_login, int defer)
2130 {
2131 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2132 vha->vp_idx == fcport->vp_idx) {
2133 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2134 qla2x00_schedule_rport_del(vha, fcport, defer);
2135 }
2136 /*
2137 * We may need to retry the login, so don't change the state of the
2138 * port but do the retries.
2139 */
2140 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
2141 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2142
2143 if (!do_login)
2144 return;
2145
2146 if (fcport->login_retry == 0) {
2147 fcport->login_retry = vha->hw->login_retry_count;
2148 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2149
2150 DEBUG(printk("scsi(%ld): Port login retry: "
2151 "%02x%02x%02x%02x%02x%02x%02x%02x, "
2152 "id = 0x%04x retry cnt=%d\n",
2153 vha->host_no,
2154 fcport->port_name[0],
2155 fcport->port_name[1],
2156 fcport->port_name[2],
2157 fcport->port_name[3],
2158 fcport->port_name[4],
2159 fcport->port_name[5],
2160 fcport->port_name[6],
2161 fcport->port_name[7],
2162 fcport->loop_id,
2163 fcport->login_retry));
2164 }
2165 }
2166
2167 /*
2168 * qla2x00_mark_all_devices_lost
2169 * Updates fcport state when device goes offline.
2170 *
2171 * Input:
2172 * ha = adapter block pointer.
2173 * fcport = port structure pointer.
2174 *
2175 * Return:
2176 * None.
2177 *
2178 * Context:
2179 */
2180 void
2181 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
2182 {
2183 fc_port_t *fcport;
2184
2185 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2186 if (vha->vp_idx != fcport->vp_idx)
2187 continue;
2188 /*
2189 * No point in marking the device as lost, if the device is
2190 * already DEAD.
2191 */
2192 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
2193 continue;
2194 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2195 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2196 qla2x00_schedule_rport_del(vha, fcport, defer);
2197 } else
2198 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2199 }
2200 }
2201
2202 /*
2203 * qla2x00_mem_alloc
2204 * Allocates adapter memory.
2205 *
2206 * Returns:
2207 * 0 = success.
2208 * !0 = failure.
2209 */
2210 static int
2211 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
2212 struct req_que **req, struct rsp_que **rsp)
2213 {
2214 char name[16];
2215
2216 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
2217 &ha->init_cb_dma, GFP_KERNEL);
2218 if (!ha->init_cb)
2219 goto fail;
2220
2221 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2222 &ha->gid_list_dma, GFP_KERNEL);
2223 if (!ha->gid_list)
2224 goto fail_free_init_cb;
2225
2226 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2227 if (!ha->srb_mempool)
2228 goto fail_free_gid_list;
2229
2230 /* Get memory for cached NVRAM */
2231 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2232 if (!ha->nvram)
2233 goto fail_free_srb_mempool;
2234
2235 snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
2236 ha->pdev->device);
2237 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2238 DMA_POOL_SIZE, 8, 0);
2239 if (!ha->s_dma_pool)
2240 goto fail_free_nvram;
2241
2242 /* Allocate memory for SNS commands */
2243 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2244 /* Get consistent memory allocated for SNS commands */
2245 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
2246 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
2247 if (!ha->sns_cmd)
2248 goto fail_dma_pool;
2249 } else {
2250 /* Get consistent memory allocated for MS IOCB */
2251 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2252 &ha->ms_iocb_dma);
2253 if (!ha->ms_iocb)
2254 goto fail_dma_pool;
2255 /* Get consistent memory allocated for CT SNS commands */
2256 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
2257 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
2258 if (!ha->ct_sns)
2259 goto fail_free_ms_iocb;
2260 }
2261
2262 /* Allocate memory for request ring */
2263 *req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
2264 if (!*req) {
2265 DEBUG(printk("Unable to allocate memory for req\n"));
2266 goto fail_req;
2267 }
2268 (*req)->length = req_len;
2269 (*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
2270 ((*req)->length + 1) * sizeof(request_t),
2271 &(*req)->dma, GFP_KERNEL);
2272 if (!(*req)->ring) {
2273 DEBUG(printk("Unable to allocate memory for req_ring\n"));
2274 goto fail_req_ring;
2275 }
2276 /* Allocate memory for response ring */
2277 *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
2278 if (!*rsp) {
2279 qla_printk(KERN_WARNING, ha,
2280 "Unable to allocate memory for rsp\n");
2281 goto fail_rsp;
2282 }
2283 (*rsp)->hw = ha;
2284 (*rsp)->length = rsp_len;
2285 (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
2286 ((*rsp)->length + 1) * sizeof(response_t),
2287 &(*rsp)->dma, GFP_KERNEL);
2288 if (!(*rsp)->ring) {
2289 qla_printk(KERN_WARNING, ha,
2290 "Unable to allocate memory for rsp_ring\n");
2291 goto fail_rsp_ring;
2292 }
2293 (*req)->rsp = *rsp;
2294 (*rsp)->req = *req;
2295 /* Allocate memory for NVRAM data for vports */
2296 if (ha->nvram_npiv_size) {
2297 ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
2298 ha->nvram_npiv_size, GFP_KERNEL);
2299 if (!ha->npiv_info) {
2300 qla_printk(KERN_WARNING, ha,
2301 "Unable to allocate memory for npiv info\n");
2302 goto fail_npiv_info;
2303 }
2304 } else
2305 ha->npiv_info = NULL;
2306
2307 INIT_LIST_HEAD(&ha->vp_list);
2308 return 1;
2309
2310 fail_npiv_info:
2311 dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
2312 sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
2313 (*rsp)->ring = NULL;
2314 (*rsp)->dma = 0;
2315 fail_rsp_ring:
2316 kfree(*rsp);
2317 fail_rsp:
2318 dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
2319 sizeof(request_t), (*req)->ring, (*req)->dma);
2320 (*req)->ring = NULL;
2321 (*req)->dma = 0;
2322 fail_req_ring:
2323 kfree(*req);
2324 fail_req:
2325 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2326 ha->ct_sns, ha->ct_sns_dma);
2327 ha->ct_sns = NULL;
2328 ha->ct_sns_dma = 0;
2329 fail_free_ms_iocb:
2330 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2331 ha->ms_iocb = NULL;
2332 ha->ms_iocb_dma = 0;
2333 fail_dma_pool:
2334 dma_pool_destroy(ha->s_dma_pool);
2335 ha->s_dma_pool = NULL;
2336 fail_free_nvram:
2337 kfree(ha->nvram);
2338 ha->nvram = NULL;
2339 fail_free_srb_mempool:
2340 mempool_destroy(ha->srb_mempool);
2341 ha->srb_mempool = NULL;
2342 fail_free_gid_list:
2343 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2344 ha->gid_list_dma);
2345 ha->gid_list = NULL;
2346 ha->gid_list_dma = 0;
2347 fail_free_init_cb:
2348 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
2349 ha->init_cb_dma);
2350 ha->init_cb = NULL;
2351 ha->init_cb_dma = 0;
2352 fail:
2353 DEBUG(printk("%s: Memory allocation failure\n", __func__));
2354 return -ENOMEM;
2355 }
2356
2357 /*
2358 * qla2x00_mem_free
2359 * Frees all adapter allocated memory.
2360 *
2361 * Input:
2362 * ha = adapter block pointer.
2363 */
2364 static void
2365 qla2x00_mem_free(struct qla_hw_data *ha)
2366 {
2367 if (ha->srb_mempool)
2368 mempool_destroy(ha->srb_mempool);
2369
2370 if (ha->fce)
2371 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
2372 ha->fce_dma);
2373
2374 if (ha->fw_dump) {
2375 if (ha->eft)
2376 dma_free_coherent(&ha->pdev->dev,
2377 ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
2378 vfree(ha->fw_dump);
2379 }
2380
2381 if (ha->sns_cmd)
2382 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2383 ha->sns_cmd, ha->sns_cmd_dma);
2384
2385 if (ha->ct_sns)
2386 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2387 ha->ct_sns, ha->ct_sns_dma);
2388
2389 if (ha->sfp_data)
2390 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2391
2392 if (ha->ms_iocb)
2393 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2394
2395 if (ha->s_dma_pool)
2396 dma_pool_destroy(ha->s_dma_pool);
2397
2398
2399 if (ha->gid_list)
2400 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2401 ha->gid_list_dma);
2402
2403
2404 if (ha->init_cb)
2405 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2406 ha->init_cb, ha->init_cb_dma);
2407 vfree(ha->optrom_buffer);
2408 kfree(ha->nvram);
2409 kfree(ha->npiv_info);
2410
2411 ha->srb_mempool = NULL;
2412 ha->eft = NULL;
2413 ha->eft_dma = 0;
2414 ha->sns_cmd = NULL;
2415 ha->sns_cmd_dma = 0;
2416 ha->ct_sns = NULL;
2417 ha->ct_sns_dma = 0;
2418 ha->ms_iocb = NULL;
2419 ha->ms_iocb_dma = 0;
2420 ha->init_cb = NULL;
2421 ha->init_cb_dma = 0;
2422
2423 ha->s_dma_pool = NULL;
2424
2425 ha->gid_list = NULL;
2426 ha->gid_list_dma = 0;
2427
2428 ha->fw_dump = NULL;
2429 ha->fw_dumped = 0;
2430 ha->fw_dump_reading = 0;
2431 }
2432
2433 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
2434 struct qla_hw_data *ha)
2435 {
2436 struct Scsi_Host *host;
2437 struct scsi_qla_host *vha = NULL;
2438
2439 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
2440 if (host == NULL) {
2441 printk(KERN_WARNING
2442 "qla2xxx: Couldn't allocate host from scsi layer!\n");
2443 goto fail;
2444 }
2445
2446 /* Clear our data area */
2447 vha = shost_priv(host);
2448 memset(vha, 0, sizeof(scsi_qla_host_t));
2449
2450 vha->host = host;
2451 vha->host_no = host->host_no;
2452 vha->hw = ha;
2453
2454 INIT_LIST_HEAD(&vha->vp_fcports);
2455 INIT_LIST_HEAD(&vha->work_list);
2456 INIT_LIST_HEAD(&vha->list);
2457
2458 sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
2459 return vha;
2460
2461 fail:
2462 return vha;
2463 }
2464
2465 static struct qla_work_evt *
2466 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type,
2467 int locked)
2468 {
2469 struct qla_work_evt *e;
2470
2471 e = kzalloc(sizeof(struct qla_work_evt), locked ? GFP_ATOMIC:
2472 GFP_KERNEL);
2473 if (!e)
2474 return NULL;
2475
2476 INIT_LIST_HEAD(&e->list);
2477 e->type = type;
2478 e->flags = QLA_EVT_FLAG_FREE;
2479 return e;
2480 }
2481
2482 static int
2483 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e, int locked)
2484 {
2485 unsigned long uninitialized_var(flags);
2486 struct qla_hw_data *ha = vha->hw;
2487
2488 if (!locked)
2489 spin_lock_irqsave(&ha->hardware_lock, flags);
2490 list_add_tail(&e->list, &vha->work_list);
2491 qla2xxx_wake_dpc(vha);
2492 if (!locked)
2493 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2494 return QLA_SUCCESS;
2495 }
2496
2497 int
2498 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
2499 u32 data)
2500 {
2501 struct qla_work_evt *e;
2502
2503 e = qla2x00_alloc_work(vha, QLA_EVT_AEN, 1);
2504 if (!e)
2505 return QLA_FUNCTION_FAILED;
2506
2507 e->u.aen.code = code;
2508 e->u.aen.data = data;
2509 return qla2x00_post_work(vha, e, 1);
2510 }
2511
2512 int
2513 qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
2514 {
2515 struct qla_work_evt *e;
2516
2517 e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK, 1);
2518 if (!e)
2519 return QLA_FUNCTION_FAILED;
2520
2521 memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
2522 return qla2x00_post_work(vha, e, 1);
2523 }
2524
2525 static void
2526 qla2x00_do_work(struct scsi_qla_host *vha)
2527 {
2528 struct qla_work_evt *e;
2529 struct qla_hw_data *ha = vha->hw;
2530
2531 spin_lock_irq(&ha->hardware_lock);
2532 while (!list_empty(&vha->work_list)) {
2533 e = list_entry(vha->work_list.next, struct qla_work_evt, list);
2534 list_del_init(&e->list);
2535 spin_unlock_irq(&ha->hardware_lock);
2536
2537 switch (e->type) {
2538 case QLA_EVT_AEN:
2539 fc_host_post_event(vha->host, fc_get_event_number(),
2540 e->u.aen.code, e->u.aen.data);
2541 break;
2542 case QLA_EVT_IDC_ACK:
2543 qla81xx_idc_ack(vha, e->u.idc_ack.mb);
2544 break;
2545 }
2546 if (e->flags & QLA_EVT_FLAG_FREE)
2547 kfree(e);
2548 spin_lock_irq(&ha->hardware_lock);
2549 }
2550 spin_unlock_irq(&ha->hardware_lock);
2551 }
2552 /* Relogins all the fcports of a vport
2553 * Context: dpc thread
2554 */
2555 void qla2x00_relogin(struct scsi_qla_host *vha)
2556 {
2557 fc_port_t *fcport;
2558 int status;
2559 uint16_t next_loopid = 0;
2560 struct qla_hw_data *ha = vha->hw;
2561
2562 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2563 /*
2564 * If the port is not ONLINE then try to login
2565 * to it if we haven't run out of retries.
2566 */
2567 if (atomic_read(&fcport->state) !=
2568 FCS_ONLINE && fcport->login_retry) {
2569
2570 if (fcport->flags & FCF_FABRIC_DEVICE) {
2571 if (fcport->flags & FCF_TAPE_PRESENT)
2572 ha->isp_ops->fabric_logout(vha,
2573 fcport->loop_id,
2574 fcport->d_id.b.domain,
2575 fcport->d_id.b.area,
2576 fcport->d_id.b.al_pa);
2577
2578 status = qla2x00_fabric_login(vha, fcport,
2579 &next_loopid);
2580 } else
2581 status = qla2x00_local_device_login(vha,
2582 fcport);
2583
2584 fcport->login_retry--;
2585 if (status == QLA_SUCCESS) {
2586 fcport->old_loop_id = fcport->loop_id;
2587
2588 DEBUG(printk("scsi(%ld): port login OK: logged "
2589 "in ID 0x%x\n", vha->host_no, fcport->loop_id));
2590
2591 qla2x00_update_fcport(vha, fcport);
2592
2593 } else if (status == 1) {
2594 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2595 /* retry the login again */
2596 DEBUG(printk("scsi(%ld): Retrying"
2597 " %d login again loop_id 0x%x\n",
2598 vha->host_no, fcport->login_retry,
2599 fcport->loop_id));
2600 } else {
2601 fcport->login_retry = 0;
2602 }
2603
2604 if (fcport->login_retry == 0 && status != QLA_SUCCESS)
2605 fcport->loop_id = FC_NO_LOOP_ID;
2606 }
2607 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2608 break;
2609 }
2610 }
2611
2612 /**************************************************************************
2613 * qla2x00_do_dpc
2614 * This kernel thread is a task that is schedule by the interrupt handler
2615 * to perform the background processing for interrupts.
2616 *
2617 * Notes:
2618 * This task always run in the context of a kernel thread. It
2619 * is kick-off by the driver's detect code and starts up
2620 * up one per adapter. It immediately goes to sleep and waits for
2621 * some fibre event. When either the interrupt handler or
2622 * the timer routine detects a event it will one of the task
2623 * bits then wake us up.
2624 **************************************************************************/
2625 static int
2626 qla2x00_do_dpc(void *data)
2627 {
2628 int rval;
2629 scsi_qla_host_t *base_vha;
2630 struct qla_hw_data *ha;
2631
2632 ha = (struct qla_hw_data *)data;
2633 base_vha = pci_get_drvdata(ha->pdev);
2634
2635 set_user_nice(current, -20);
2636
2637 while (!kthread_should_stop()) {
2638 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2639
2640 set_current_state(TASK_INTERRUPTIBLE);
2641 schedule();
2642 __set_current_state(TASK_RUNNING);
2643
2644 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2645
2646 /* Initialization not yet finished. Don't do anything yet. */
2647 if (!base_vha->flags.init_done)
2648 continue;
2649
2650 DEBUG3(printk("scsi(%ld): DPC handler\n", base_vha->host_no));
2651
2652 ha->dpc_active = 1;
2653
2654 if (ha->flags.mbox_busy) {
2655 ha->dpc_active = 0;
2656 continue;
2657 }
2658
2659 qla2x00_do_work(base_vha);
2660
2661 if (test_and_clear_bit(ISP_ABORT_NEEDED,
2662 &base_vha->dpc_flags)) {
2663
2664 DEBUG(printk("scsi(%ld): dpc: sched "
2665 "qla2x00_abort_isp ha = %p\n",
2666 base_vha->host_no, ha));
2667 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
2668 &base_vha->dpc_flags))) {
2669
2670 if (qla2x00_abort_isp(base_vha)) {
2671 /* failed. retry later */
2672 set_bit(ISP_ABORT_NEEDED,
2673 &base_vha->dpc_flags);
2674 }
2675 clear_bit(ABORT_ISP_ACTIVE,
2676 &base_vha->dpc_flags);
2677 }
2678
2679 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
2680 base_vha->host_no));
2681 }
2682
2683 if (test_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags)) {
2684 qla2x00_update_fcports(base_vha);
2685 clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
2686 }
2687
2688 if (test_and_clear_bit(RESET_MARKER_NEEDED,
2689 &base_vha->dpc_flags) &&
2690 (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
2691
2692 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
2693 base_vha->host_no));
2694
2695 qla2x00_rst_aen(base_vha);
2696 clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
2697 }
2698
2699 /* Retry each device up to login retry count */
2700 if ((test_and_clear_bit(RELOGIN_NEEDED,
2701 &base_vha->dpc_flags)) &&
2702 !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
2703 atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
2704
2705 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
2706 base_vha->host_no));
2707 qla2x00_relogin(base_vha);
2708
2709 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
2710 base_vha->host_no));
2711 }
2712
2713 if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
2714 &base_vha->dpc_flags)) {
2715
2716 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
2717 base_vha->host_no));
2718
2719 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
2720 &base_vha->dpc_flags))) {
2721
2722 rval = qla2x00_loop_resync(base_vha);
2723
2724 clear_bit(LOOP_RESYNC_ACTIVE,
2725 &base_vha->dpc_flags);
2726 }
2727
2728 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
2729 base_vha->host_no));
2730 }
2731
2732 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
2733 atomic_read(&base_vha->loop_state) == LOOP_READY) {
2734 clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
2735 qla2xxx_flash_npiv_conf(base_vha);
2736 }
2737
2738 if (!ha->interrupts_on)
2739 ha->isp_ops->enable_intrs(ha);
2740
2741 if (test_and_clear_bit(BEACON_BLINK_NEEDED,
2742 &base_vha->dpc_flags))
2743 ha->isp_ops->beacon_blink(base_vha);
2744
2745 qla2x00_do_dpc_all_vps(base_vha);
2746
2747 ha->dpc_active = 0;
2748 } /* End of while(1) */
2749
2750 DEBUG(printk("scsi(%ld): DPC handler exiting\n", base_vha->host_no));
2751
2752 /*
2753 * Make sure that nobody tries to wake us up again.
2754 */
2755 ha->dpc_active = 0;
2756
2757 return 0;
2758 }
2759
2760 void
2761 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
2762 {
2763 struct qla_hw_data *ha = vha->hw;
2764 struct task_struct *t = ha->dpc_thread;
2765
2766 if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
2767 wake_up_process(t);
2768 }
2769
2770 /*
2771 * qla2x00_rst_aen
2772 * Processes asynchronous reset.
2773 *
2774 * Input:
2775 * ha = adapter block pointer.
2776 */
2777 static void
2778 qla2x00_rst_aen(scsi_qla_host_t *vha)
2779 {
2780 if (vha->flags.online && !vha->flags.reset_active &&
2781 !atomic_read(&vha->loop_down_timer) &&
2782 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
2783 do {
2784 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
2785
2786 /*
2787 * Issue marker command only when we are going to start
2788 * the I/O.
2789 */
2790 vha->marker_needed = 1;
2791 } while (!atomic_read(&vha->loop_down_timer) &&
2792 (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
2793 }
2794 }
2795
2796 static void
2797 qla2x00_sp_free_dma(srb_t *sp)
2798 {
2799 struct scsi_cmnd *cmd = sp->cmd;
2800
2801 if (sp->flags & SRB_DMA_VALID) {
2802 scsi_dma_unmap(cmd);
2803 sp->flags &= ~SRB_DMA_VALID;
2804 }
2805 CMD_SP(cmd) = NULL;
2806 }
2807
2808 void
2809 qla2x00_sp_compl(struct qla_hw_data *ha, srb_t *sp)
2810 {
2811 struct scsi_cmnd *cmd = sp->cmd;
2812
2813 qla2x00_sp_free_dma(sp);
2814
2815 mempool_free(sp, ha->srb_mempool);
2816
2817 cmd->scsi_done(cmd);
2818 }
2819
2820 /**************************************************************************
2821 * qla2x00_timer
2822 *
2823 * Description:
2824 * One second timer
2825 *
2826 * Context: Interrupt
2827 ***************************************************************************/
2828 void
2829 qla2x00_timer(scsi_qla_host_t *vha)
2830 {
2831 unsigned long cpu_flags = 0;
2832 fc_port_t *fcport;
2833 int start_dpc = 0;
2834 int index;
2835 srb_t *sp;
2836 int t;
2837 struct qla_hw_data *ha = vha->hw;
2838 struct req_que *req;
2839 /*
2840 * Ports - Port down timer.
2841 *
2842 * Whenever, a port is in the LOST state we start decrementing its port
2843 * down timer every second until it reaches zero. Once it reaches zero
2844 * the port it marked DEAD.
2845 */
2846 t = 0;
2847 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2848 if (fcport->port_type != FCT_TARGET)
2849 continue;
2850
2851 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2852
2853 if (atomic_read(&fcport->port_down_timer) == 0)
2854 continue;
2855
2856 if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
2857 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
2858
2859 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
2860 "%d remaining\n",
2861 vha->host_no,
2862 t, atomic_read(&fcport->port_down_timer)));
2863 }
2864 t++;
2865 } /* End of for fcport */
2866
2867
2868 /* Loop down handler. */
2869 if (atomic_read(&vha->loop_down_timer) > 0 &&
2870 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
2871 && vha->flags.online) {
2872
2873 if (atomic_read(&vha->loop_down_timer) ==
2874 vha->loop_down_abort_time) {
2875
2876 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2877 "queues before time expire\n",
2878 vha->host_no));
2879
2880 if (!IS_QLA2100(ha) && vha->link_down_timeout)
2881 atomic_set(&vha->loop_state, LOOP_DEAD);
2882
2883 /* Schedule an ISP abort to return any tape commands. */
2884 /* NPIV - scan physical port only */
2885 if (!vha->vp_idx) {
2886 spin_lock_irqsave(&ha->hardware_lock,
2887 cpu_flags);
2888 req = ha->req_q_map[0];
2889 for (index = 1;
2890 index < MAX_OUTSTANDING_COMMANDS;
2891 index++) {
2892 fc_port_t *sfcp;
2893
2894 sp = req->outstanding_cmds[index];
2895 if (!sp)
2896 continue;
2897 sfcp = sp->fcport;
2898 if (!(sfcp->flags & FCF_TAPE_PRESENT))
2899 continue;
2900
2901 set_bit(ISP_ABORT_NEEDED,
2902 &vha->dpc_flags);
2903 break;
2904 }
2905 spin_unlock_irqrestore(&ha->hardware_lock,
2906 cpu_flags);
2907 }
2908 set_bit(ABORT_QUEUES_NEEDED, &vha->dpc_flags);
2909 start_dpc++;
2910 }
2911
2912 /* if the loop has been down for 4 minutes, reinit adapter */
2913 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
2914 DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - "
2915 "restarting queues.\n",
2916 vha->host_no));
2917
2918 set_bit(RESTART_QUEUES_NEEDED, &vha->dpc_flags);
2919 start_dpc++;
2920
2921 if (!(vha->device_flags & DFLG_NO_CABLE) &&
2922 !vha->vp_idx) {
2923 DEBUG(printk("scsi(%ld): Loop down - "
2924 "aborting ISP.\n",
2925 vha->host_no));
2926 qla_printk(KERN_WARNING, ha,
2927 "Loop down - aborting ISP.\n");
2928
2929 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2930 }
2931 }
2932 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
2933 vha->host_no,
2934 atomic_read(&vha->loop_down_timer)));
2935 }
2936
2937 /* Check if beacon LED needs to be blinked */
2938 if (ha->beacon_blink_led == 1) {
2939 set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
2940 start_dpc++;
2941 }
2942
2943 /* Process any deferred work. */
2944 if (!list_empty(&vha->work_list))
2945 start_dpc++;
2946
2947 /* Schedule the DPC routine if needed */
2948 if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
2949 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
2950 test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
2951 start_dpc ||
2952 test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
2953 test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
2954 test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
2955 test_bit(RELOGIN_NEEDED, &vha->dpc_flags)))
2956 qla2xxx_wake_dpc(vha);
2957
2958 qla2x00_restart_timer(vha, WATCH_INTERVAL);
2959 }
2960
2961 /* Firmware interface routines. */
2962
2963 #define FW_BLOBS 7
2964 #define FW_ISP21XX 0
2965 #define FW_ISP22XX 1
2966 #define FW_ISP2300 2
2967 #define FW_ISP2322 3
2968 #define FW_ISP24XX 4
2969 #define FW_ISP25XX 5
2970 #define FW_ISP81XX 6
2971
2972 #define FW_FILE_ISP21XX "ql2100_fw.bin"
2973 #define FW_FILE_ISP22XX "ql2200_fw.bin"
2974 #define FW_FILE_ISP2300 "ql2300_fw.bin"
2975 #define FW_FILE_ISP2322 "ql2322_fw.bin"
2976 #define FW_FILE_ISP24XX "ql2400_fw.bin"
2977 #define FW_FILE_ISP25XX "ql2500_fw.bin"
2978 #define FW_FILE_ISP81XX "ql8100_fw.bin"
2979
2980 static DEFINE_MUTEX(qla_fw_lock);
2981
2982 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
2983 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
2984 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
2985 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
2986 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
2987 { .name = FW_FILE_ISP24XX, },
2988 { .name = FW_FILE_ISP25XX, },
2989 { .name = FW_FILE_ISP81XX, },
2990 };
2991
2992 struct fw_blob *
2993 qla2x00_request_firmware(scsi_qla_host_t *vha)
2994 {
2995 struct qla_hw_data *ha = vha->hw;
2996 struct fw_blob *blob;
2997
2998 blob = NULL;
2999 if (IS_QLA2100(ha)) {
3000 blob = &qla_fw_blobs[FW_ISP21XX];
3001 } else if (IS_QLA2200(ha)) {
3002 blob = &qla_fw_blobs[FW_ISP22XX];
3003 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
3004 blob = &qla_fw_blobs[FW_ISP2300];
3005 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
3006 blob = &qla_fw_blobs[FW_ISP2322];
3007 } else if (IS_QLA24XX_TYPE(ha)) {
3008 blob = &qla_fw_blobs[FW_ISP24XX];
3009 } else if (IS_QLA25XX(ha)) {
3010 blob = &qla_fw_blobs[FW_ISP25XX];
3011 } else if (IS_QLA81XX(ha)) {
3012 blob = &qla_fw_blobs[FW_ISP81XX];
3013 }
3014
3015 mutex_lock(&qla_fw_lock);
3016 if (blob->fw)
3017 goto out;
3018
3019 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
3020 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
3021 "(%s).\n", vha->host_no, blob->name));
3022 blob->fw = NULL;
3023 blob = NULL;
3024 goto out;
3025 }
3026
3027 out:
3028 mutex_unlock(&qla_fw_lock);
3029 return blob;
3030 }
3031
3032 static void
3033 qla2x00_release_firmware(void)
3034 {
3035 int idx;
3036
3037 mutex_lock(&qla_fw_lock);
3038 for (idx = 0; idx < FW_BLOBS; idx++)
3039 if (qla_fw_blobs[idx].fw)
3040 release_firmware(qla_fw_blobs[idx].fw);
3041 mutex_unlock(&qla_fw_lock);
3042 }
3043
3044 static pci_ers_result_t
3045 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
3046 {
3047 switch (state) {
3048 case pci_channel_io_normal:
3049 return PCI_ERS_RESULT_CAN_RECOVER;
3050 case pci_channel_io_frozen:
3051 pci_disable_device(pdev);
3052 return PCI_ERS_RESULT_NEED_RESET;
3053 case pci_channel_io_perm_failure:
3054 qla2x00_remove_one(pdev);
3055 return PCI_ERS_RESULT_DISCONNECT;
3056 }
3057 return PCI_ERS_RESULT_NEED_RESET;
3058 }
3059
3060 static pci_ers_result_t
3061 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
3062 {
3063 int risc_paused = 0;
3064 uint32_t stat;
3065 unsigned long flags;
3066 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3067 struct qla_hw_data *ha = base_vha->hw;
3068 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3069 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
3070
3071 spin_lock_irqsave(&ha->hardware_lock, flags);
3072 if (IS_QLA2100(ha) || IS_QLA2200(ha)){
3073 stat = RD_REG_DWORD(&reg->hccr);
3074 if (stat & HCCR_RISC_PAUSE)
3075 risc_paused = 1;
3076 } else if (IS_QLA23XX(ha)) {
3077 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
3078 if (stat & HSR_RISC_PAUSED)
3079 risc_paused = 1;
3080 } else if (IS_FWI2_CAPABLE(ha)) {
3081 stat = RD_REG_DWORD(&reg24->host_status);
3082 if (stat & HSRX_RISC_PAUSED)
3083 risc_paused = 1;
3084 }
3085 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3086
3087 if (risc_paused) {
3088 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
3089 "Dumping firmware!\n");
3090 ha->isp_ops->fw_dump(base_vha, 0);
3091
3092 return PCI_ERS_RESULT_NEED_RESET;
3093 } else
3094 return PCI_ERS_RESULT_RECOVERED;
3095 }
3096
3097 static pci_ers_result_t
3098 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
3099 {
3100 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
3101 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3102 struct qla_hw_data *ha = base_vha->hw;
3103 int rc;
3104
3105 if (ha->mem_only)
3106 rc = pci_enable_device_mem(pdev);
3107 else
3108 rc = pci_enable_device(pdev);
3109
3110 if (rc) {
3111 qla_printk(KERN_WARNING, ha,
3112 "Can't re-enable PCI device after reset.\n");
3113
3114 return ret;
3115 }
3116 pci_set_master(pdev);
3117
3118 if (ha->isp_ops->pci_config(base_vha))
3119 return ret;
3120
3121 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3122 if (qla2x00_abort_isp(base_vha) == QLA_SUCCESS)
3123 ret = PCI_ERS_RESULT_RECOVERED;
3124 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3125
3126 return ret;
3127 }
3128
3129 static void
3130 qla2xxx_pci_resume(struct pci_dev *pdev)
3131 {
3132 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3133 struct qla_hw_data *ha = base_vha->hw;
3134 int ret;
3135
3136 ret = qla2x00_wait_for_hba_online(base_vha);
3137 if (ret != QLA_SUCCESS) {
3138 qla_printk(KERN_ERR, ha,
3139 "the device failed to resume I/O "
3140 "from slot/link_reset");
3141 }
3142 pci_cleanup_aer_uncorrect_error_status(pdev);
3143 }
3144
3145 static struct pci_error_handlers qla2xxx_err_handler = {
3146 .error_detected = qla2xxx_pci_error_detected,
3147 .mmio_enabled = qla2xxx_pci_mmio_enabled,
3148 .slot_reset = qla2xxx_pci_slot_reset,
3149 .resume = qla2xxx_pci_resume,
3150 };
3151
3152 static struct pci_device_id qla2xxx_pci_tbl[] = {
3153 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
3154 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
3155 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
3156 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
3157 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
3158 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
3159 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
3160 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
3161 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
3162 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
3163 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
3164 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
3165 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
3166 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
3167 { 0 },
3168 };
3169 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
3170
3171 static struct pci_driver qla2xxx_pci_driver = {
3172 .name = QLA2XXX_DRIVER_NAME,
3173 .driver = {
3174 .owner = THIS_MODULE,
3175 },
3176 .id_table = qla2xxx_pci_tbl,
3177 .probe = qla2x00_probe_one,
3178 .remove = qla2x00_remove_one,
3179 .err_handler = &qla2xxx_err_handler,
3180 };
3181
3182 /**
3183 * qla2x00_module_init - Module initialization.
3184 **/
3185 static int __init
3186 qla2x00_module_init(void)
3187 {
3188 int ret = 0;
3189
3190 /* Allocate cache for SRBs. */
3191 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
3192 SLAB_HWCACHE_ALIGN, NULL);
3193 if (srb_cachep == NULL) {
3194 printk(KERN_ERR
3195 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
3196 return -ENOMEM;
3197 }
3198
3199 /* Derive version string. */
3200 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
3201 if (ql2xextended_error_logging)
3202 strcat(qla2x00_version_str, "-debug");
3203
3204 qla2xxx_transport_template =
3205 fc_attach_transport(&qla2xxx_transport_functions);
3206 if (!qla2xxx_transport_template) {
3207 kmem_cache_destroy(srb_cachep);
3208 return -ENODEV;
3209 }
3210 qla2xxx_transport_vport_template =
3211 fc_attach_transport(&qla2xxx_transport_vport_functions);
3212 if (!qla2xxx_transport_vport_template) {
3213 kmem_cache_destroy(srb_cachep);
3214 fc_release_transport(qla2xxx_transport_template);
3215 return -ENODEV;
3216 }
3217
3218 printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n",
3219 qla2x00_version_str);
3220 ret = pci_register_driver(&qla2xxx_pci_driver);
3221 if (ret) {
3222 kmem_cache_destroy(srb_cachep);
3223 fc_release_transport(qla2xxx_transport_template);
3224 fc_release_transport(qla2xxx_transport_vport_template);
3225 }
3226 return ret;
3227 }
3228
3229 /**
3230 * qla2x00_module_exit - Module cleanup.
3231 **/
3232 static void __exit
3233 qla2x00_module_exit(void)
3234 {
3235 pci_unregister_driver(&qla2xxx_pci_driver);
3236 qla2x00_release_firmware();
3237 kmem_cache_destroy(srb_cachep);
3238 fc_release_transport(qla2xxx_transport_template);
3239 fc_release_transport(qla2xxx_transport_vport_template);
3240 }
3241
3242 module_init(qla2x00_module_init);
3243 module_exit(qla2x00_module_exit);
3244
3245 MODULE_AUTHOR("QLogic Corporation");
3246 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
3247 MODULE_LICENSE("GPL");
3248 MODULE_VERSION(QLA2XXX_VERSION);
3249 MODULE_FIRMWARE(FW_FILE_ISP21XX);
3250 MODULE_FIRMWARE(FW_FILE_ISP22XX);
3251 MODULE_FIRMWARE(FW_FILE_ISP2300);
3252 MODULE_FIRMWARE(FW_FILE_ISP2322);
3253 MODULE_FIRMWARE(FW_FILE_ISP24XX);
3254 MODULE_FIRMWARE(FW_FILE_ISP25XX);
3255 MODULE_FIRMWARE(FW_FILE_ISP81XX);
Linux kernel - Deliverables
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