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[SCSI] qla2xxx: Add an override option to specify ISP firmware load semantics.
[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 ql2xqfulltracking = 1;
81 module_param(ql2xqfulltracking, int, S_IRUGO|S_IWUSR);
82 MODULE_PARM_DESC(ql2xqfulltracking,
83 "Controls whether the driver tracks queue full status "
84 "returns and dynamically adjusts a scsi device's queue "
85 "depth. Default is 1, perform tracking. Set to 0 to "
86 "disable dynamic tracking and adjustment of queue depth.");
87
88 int ql2xqfullrampup = 120;
89 module_param(ql2xqfullrampup, int, S_IRUGO|S_IWUSR);
90 MODULE_PARM_DESC(ql2xqfullrampup,
91 "Number of seconds to wait to begin to ramp-up the queue "
92 "depth for a device after a queue-full condition has been "
93 "detected. Default is 120 seconds.");
94
95 int ql2xiidmaenable=1;
96 module_param(ql2xiidmaenable, int, S_IRUGO|S_IRUSR);
97 MODULE_PARM_DESC(ql2xiidmaenable,
98 "Enables iIDMA settings "
99 "Default is 1 - perform iIDMA. 0 - no iIDMA.");
100
101 int ql2xmaxqueues = 1;
102 module_param(ql2xmaxqueues, int, S_IRUGO|S_IRUSR);
103 MODULE_PARM_DESC(ql2xmaxqueues,
104 "Enables MQ settings "
105 "Default is 1 for single queue. Set it to number \
106 of queues in MQ mode.");
107
108 int ql2xmultique_tag;
109 module_param(ql2xmultique_tag, int, S_IRUGO|S_IRUSR);
110 MODULE_PARM_DESC(ql2xmultique_tag,
111 "Enables CPU affinity settings for the driver "
112 "Default is 0 for no affinity of request and response IO. "
113 "Set it to 1 to turn on the cpu affinity.");
114
115 int ql2xfwloadbin;
116 module_param(ql2xfwloadbin, int, S_IRUGO|S_IRUSR);
117 MODULE_PARM_DESC(ql2xfwloadbin,
118 "Option to specify location from which to load ISP firmware:\n"
119 " 2 -- load firmware via the request_firmware() (hotplug)\n"
120 " interface.\n"
121 " 1 -- load firmware from flash.\n"
122 " 0 -- use default semantics.\n");
123
124 /*
125 * SCSI host template entry points
126 */
127 static int qla2xxx_slave_configure(struct scsi_device * device);
128 static int qla2xxx_slave_alloc(struct scsi_device *);
129 static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
130 static void qla2xxx_scan_start(struct Scsi_Host *);
131 static void qla2xxx_slave_destroy(struct scsi_device *);
132 static int qla2xxx_queuecommand(struct scsi_cmnd *cmd,
133 void (*fn)(struct scsi_cmnd *));
134 static int qla2xxx_eh_abort(struct scsi_cmnd *);
135 static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
136 static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
137 static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
138 static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
139
140 static int qla2x00_change_queue_depth(struct scsi_device *, int);
141 static int qla2x00_change_queue_type(struct scsi_device *, int);
142
143 struct scsi_host_template qla2xxx_driver_template = {
144 .module = THIS_MODULE,
145 .name = QLA2XXX_DRIVER_NAME,
146 .queuecommand = qla2xxx_queuecommand,
147
148 .eh_abort_handler = qla2xxx_eh_abort,
149 .eh_device_reset_handler = qla2xxx_eh_device_reset,
150 .eh_target_reset_handler = qla2xxx_eh_target_reset,
151 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
152 .eh_host_reset_handler = qla2xxx_eh_host_reset,
153
154 .slave_configure = qla2xxx_slave_configure,
155
156 .slave_alloc = qla2xxx_slave_alloc,
157 .slave_destroy = qla2xxx_slave_destroy,
158 .scan_finished = qla2xxx_scan_finished,
159 .scan_start = qla2xxx_scan_start,
160 .change_queue_depth = qla2x00_change_queue_depth,
161 .change_queue_type = qla2x00_change_queue_type,
162 .this_id = -1,
163 .cmd_per_lun = 3,
164 .use_clustering = ENABLE_CLUSTERING,
165 .sg_tablesize = SG_ALL,
166
167 .max_sectors = 0xFFFF,
168 .shost_attrs = qla2x00_host_attrs,
169 };
170
171 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
172 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
173
174 /* TODO Convert to inlines
175 *
176 * Timer routines
177 */
178
179 __inline__ void
180 qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval)
181 {
182 init_timer(&vha->timer);
183 vha->timer.expires = jiffies + interval * HZ;
184 vha->timer.data = (unsigned long)vha;
185 vha->timer.function = (void (*)(unsigned long))func;
186 add_timer(&vha->timer);
187 vha->timer_active = 1;
188 }
189
190 static inline void
191 qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
192 {
193 mod_timer(&vha->timer, jiffies + interval * HZ);
194 }
195
196 static __inline__ void
197 qla2x00_stop_timer(scsi_qla_host_t *vha)
198 {
199 del_timer_sync(&vha->timer);
200 vha->timer_active = 0;
201 }
202
203 static int qla2x00_do_dpc(void *data);
204
205 static void qla2x00_rst_aen(scsi_qla_host_t *);
206
207 static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
208 struct req_que **, struct rsp_que **);
209 static void qla2x00_mem_free(struct qla_hw_data *);
210 static void qla2x00_sp_free_dma(srb_t *);
211
212 /* -------------------------------------------------------------------------- */
213 static int qla2x00_alloc_queues(struct qla_hw_data *ha)
214 {
215 ha->req_q_map = kzalloc(sizeof(struct req_que *) * ha->max_req_queues,
216 GFP_KERNEL);
217 if (!ha->req_q_map) {
218 qla_printk(KERN_WARNING, ha,
219 "Unable to allocate memory for request queue ptrs\n");
220 goto fail_req_map;
221 }
222
223 ha->rsp_q_map = kzalloc(sizeof(struct rsp_que *) * ha->max_rsp_queues,
224 GFP_KERNEL);
225 if (!ha->rsp_q_map) {
226 qla_printk(KERN_WARNING, ha,
227 "Unable to allocate memory for response queue ptrs\n");
228 goto fail_rsp_map;
229 }
230 set_bit(0, ha->rsp_qid_map);
231 set_bit(0, ha->req_qid_map);
232 return 1;
233
234 fail_rsp_map:
235 kfree(ha->req_q_map);
236 ha->req_q_map = NULL;
237 fail_req_map:
238 return -ENOMEM;
239 }
240
241 static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
242 {
243 if (req && req->ring)
244 dma_free_coherent(&ha->pdev->dev,
245 (req->length + 1) * sizeof(request_t),
246 req->ring, req->dma);
247
248 kfree(req);
249 req = NULL;
250 }
251
252 static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
253 {
254 if (rsp && rsp->ring)
255 dma_free_coherent(&ha->pdev->dev,
256 (rsp->length + 1) * sizeof(response_t),
257 rsp->ring, rsp->dma);
258
259 kfree(rsp);
260 rsp = NULL;
261 }
262
263 static void qla2x00_free_queues(struct qla_hw_data *ha)
264 {
265 struct req_que *req;
266 struct rsp_que *rsp;
267 int cnt;
268
269 for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
270 req = ha->req_q_map[cnt];
271 qla2x00_free_req_que(ha, req);
272 }
273 kfree(ha->req_q_map);
274 ha->req_q_map = NULL;
275
276 for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
277 rsp = ha->rsp_q_map[cnt];
278 qla2x00_free_rsp_que(ha, rsp);
279 }
280 kfree(ha->rsp_q_map);
281 ha->rsp_q_map = NULL;
282 }
283
284 static int qla25xx_setup_mode(struct scsi_qla_host *vha)
285 {
286 uint16_t options = 0;
287 int ques, req, ret;
288 struct qla_hw_data *ha = vha->hw;
289
290 if (ql2xmultique_tag) {
291 /* CPU affinity mode */
292 ha->wq = create_workqueue("qla2xxx_wq");
293 /* create a request queue for IO */
294 options |= BIT_7;
295 req = qla25xx_create_req_que(ha, options, 0, 0, -1,
296 QLA_DEFAULT_QUE_QOS);
297 if (!req) {
298 qla_printk(KERN_WARNING, ha,
299 "Can't create request queue\n");
300 goto fail;
301 }
302 vha->req = ha->req_q_map[req];
303 options |= BIT_1;
304 for (ques = 1; ques < ha->max_rsp_queues; ques++) {
305 ret = qla25xx_create_rsp_que(ha, options, 0, 0, req);
306 if (!ret) {
307 qla_printk(KERN_WARNING, ha,
308 "Response Queue create failed\n");
309 goto fail2;
310 }
311 }
312 DEBUG2(qla_printk(KERN_INFO, ha,
313 "CPU affinity mode enabled, no. of response"
314 " queues:%d, no. of request queues:%d\n",
315 ha->max_rsp_queues, ha->max_req_queues));
316 }
317 return 0;
318 fail2:
319 qla25xx_delete_queues(vha);
320 fail:
321 ha->mqenable = 0;
322 return 1;
323 }
324
325 static char *
326 qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
327 {
328 struct qla_hw_data *ha = vha->hw;
329 static char *pci_bus_modes[] = {
330 "33", "66", "100", "133",
331 };
332 uint16_t pci_bus;
333
334 strcpy(str, "PCI");
335 pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
336 if (pci_bus) {
337 strcat(str, "-X (");
338 strcat(str, pci_bus_modes[pci_bus]);
339 } else {
340 pci_bus = (ha->pci_attr & BIT_8) >> 8;
341 strcat(str, " (");
342 strcat(str, pci_bus_modes[pci_bus]);
343 }
344 strcat(str, " MHz)");
345
346 return (str);
347 }
348
349 static char *
350 qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
351 {
352 static char *pci_bus_modes[] = { "33", "66", "100", "133", };
353 struct qla_hw_data *ha = vha->hw;
354 uint32_t pci_bus;
355 int pcie_reg;
356
357 pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
358 if (pcie_reg) {
359 char lwstr[6];
360 uint16_t pcie_lstat, lspeed, lwidth;
361
362 pcie_reg += 0x12;
363 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
364 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
365 lwidth = (pcie_lstat &
366 (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
367
368 strcpy(str, "PCIe (");
369 if (lspeed == 1)
370 strcat(str, "2.5GT/s ");
371 else if (lspeed == 2)
372 strcat(str, "5.0GT/s ");
373 else
374 strcat(str, "<unknown> ");
375 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
376 strcat(str, lwstr);
377
378 return str;
379 }
380
381 strcpy(str, "PCI");
382 pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
383 if (pci_bus == 0 || pci_bus == 8) {
384 strcat(str, " (");
385 strcat(str, pci_bus_modes[pci_bus >> 3]);
386 } else {
387 strcat(str, "-X ");
388 if (pci_bus & BIT_2)
389 strcat(str, "Mode 2");
390 else
391 strcat(str, "Mode 1");
392 strcat(str, " (");
393 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
394 }
395 strcat(str, " MHz)");
396
397 return str;
398 }
399
400 static char *
401 qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str)
402 {
403 char un_str[10];
404 struct qla_hw_data *ha = vha->hw;
405
406 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
407 ha->fw_minor_version,
408 ha->fw_subminor_version);
409
410 if (ha->fw_attributes & BIT_9) {
411 strcat(str, "FLX");
412 return (str);
413 }
414
415 switch (ha->fw_attributes & 0xFF) {
416 case 0x7:
417 strcat(str, "EF");
418 break;
419 case 0x17:
420 strcat(str, "TP");
421 break;
422 case 0x37:
423 strcat(str, "IP");
424 break;
425 case 0x77:
426 strcat(str, "VI");
427 break;
428 default:
429 sprintf(un_str, "(%x)", ha->fw_attributes);
430 strcat(str, un_str);
431 break;
432 }
433 if (ha->fw_attributes & 0x100)
434 strcat(str, "X");
435
436 return (str);
437 }
438
439 static char *
440 qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str)
441 {
442 struct qla_hw_data *ha = vha->hw;
443
444 sprintf(str, "%d.%02d.%02d (%x)", ha->fw_major_version,
445 ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
446 return str;
447 }
448
449 static inline srb_t *
450 qla2x00_get_new_sp(scsi_qla_host_t *vha, fc_port_t *fcport,
451 struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
452 {
453 srb_t *sp;
454 struct qla_hw_data *ha = vha->hw;
455
456 sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
457 if (!sp)
458 return sp;
459
460 sp->fcport = fcport;
461 sp->cmd = cmd;
462 sp->flags = 0;
463 CMD_SP(cmd) = (void *)sp;
464 cmd->scsi_done = done;
465
466 return sp;
467 }
468
469 static int
470 qla2xxx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
471 {
472 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
473 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
474 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
475 struct qla_hw_data *ha = vha->hw;
476 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
477 srb_t *sp;
478 int rval;
479
480 if (unlikely(pci_channel_offline(ha->pdev))) {
481 if (ha->pdev->error_state == pci_channel_io_frozen)
482 cmd->result = DID_REQUEUE << 16;
483 else
484 cmd->result = DID_NO_CONNECT << 16;
485 goto qc24_fail_command;
486 }
487
488 rval = fc_remote_port_chkready(rport);
489 if (rval) {
490 cmd->result = rval;
491 goto qc24_fail_command;
492 }
493
494 /* Close window on fcport/rport state-transitioning. */
495 if (fcport->drport)
496 goto qc24_target_busy;
497
498 if (atomic_read(&fcport->state) != FCS_ONLINE) {
499 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
500 atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
501 cmd->result = DID_NO_CONNECT << 16;
502 goto qc24_fail_command;
503 }
504 goto qc24_target_busy;
505 }
506
507 spin_unlock_irq(vha->host->host_lock);
508
509 sp = qla2x00_get_new_sp(base_vha, fcport, cmd, done);
510 if (!sp)
511 goto qc24_host_busy_lock;
512
513 rval = ha->isp_ops->start_scsi(sp);
514 if (rval != QLA_SUCCESS)
515 goto qc24_host_busy_free_sp;
516
517 spin_lock_irq(vha->host->host_lock);
518
519 return 0;
520
521 qc24_host_busy_free_sp:
522 qla2x00_sp_free_dma(sp);
523 mempool_free(sp, ha->srb_mempool);
524
525 qc24_host_busy_lock:
526 spin_lock_irq(vha->host->host_lock);
527 return SCSI_MLQUEUE_HOST_BUSY;
528
529 qc24_target_busy:
530 return SCSI_MLQUEUE_TARGET_BUSY;
531
532 qc24_fail_command:
533 done(cmd);
534
535 return 0;
536 }
537
538
539 /*
540 * qla2x00_eh_wait_on_command
541 * Waits for the command to be returned by the Firmware for some
542 * max time.
543 *
544 * Input:
545 * cmd = Scsi Command to wait on.
546 *
547 * Return:
548 * Not Found : 0
549 * Found : 1
550 */
551 static int
552 qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
553 {
554 #define ABORT_POLLING_PERIOD 1000
555 #define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
556 unsigned long wait_iter = ABORT_WAIT_ITER;
557 int ret = QLA_SUCCESS;
558
559 while (CMD_SP(cmd)) {
560 msleep(ABORT_POLLING_PERIOD);
561
562 if (--wait_iter)
563 break;
564 }
565 if (CMD_SP(cmd))
566 ret = QLA_FUNCTION_FAILED;
567
568 return ret;
569 }
570
571 /*
572 * qla2x00_wait_for_hba_online
573 * Wait till the HBA is online after going through
574 * <= MAX_RETRIES_OF_ISP_ABORT or
575 * finally HBA is disabled ie marked offline
576 *
577 * Input:
578 * ha - pointer to host adapter structure
579 *
580 * Note:
581 * Does context switching-Release SPIN_LOCK
582 * (if any) before calling this routine.
583 *
584 * Return:
585 * Success (Adapter is online) : 0
586 * Failed (Adapter is offline/disabled) : 1
587 */
588 int
589 qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
590 {
591 int return_status;
592 unsigned long wait_online;
593 struct qla_hw_data *ha = vha->hw;
594 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
595
596 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
597 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
598 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
599 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
600 ha->dpc_active) && time_before(jiffies, wait_online)) {
601
602 msleep(1000);
603 }
604 if (base_vha->flags.online)
605 return_status = QLA_SUCCESS;
606 else
607 return_status = QLA_FUNCTION_FAILED;
608
609 return (return_status);
610 }
611
612 int
613 qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
614 {
615 int return_status;
616 unsigned long wait_reset;
617 struct qla_hw_data *ha = vha->hw;
618 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
619
620 wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
621 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
622 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
623 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
624 ha->dpc_active) && time_before(jiffies, wait_reset)) {
625
626 msleep(1000);
627
628 if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
629 ha->flags.chip_reset_done)
630 break;
631 }
632 if (ha->flags.chip_reset_done)
633 return_status = QLA_SUCCESS;
634 else
635 return_status = QLA_FUNCTION_FAILED;
636
637 return return_status;
638 }
639
640 /*
641 * qla2x00_wait_for_loop_ready
642 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
643 * to be in LOOP_READY state.
644 * Input:
645 * ha - pointer to host adapter structure
646 *
647 * Note:
648 * Does context switching-Release SPIN_LOCK
649 * (if any) before calling this routine.
650 *
651 *
652 * Return:
653 * Success (LOOP_READY) : 0
654 * Failed (LOOP_NOT_READY) : 1
655 */
656 static inline int
657 qla2x00_wait_for_loop_ready(scsi_qla_host_t *vha)
658 {
659 int return_status = QLA_SUCCESS;
660 unsigned long loop_timeout ;
661 struct qla_hw_data *ha = vha->hw;
662 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
663
664 /* wait for 5 min at the max for loop to be ready */
665 loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
666
667 while ((!atomic_read(&base_vha->loop_down_timer) &&
668 atomic_read(&base_vha->loop_state) == LOOP_DOWN) ||
669 atomic_read(&base_vha->loop_state) != LOOP_READY) {
670 if (atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
671 return_status = QLA_FUNCTION_FAILED;
672 break;
673 }
674 msleep(1000);
675 if (time_after_eq(jiffies, loop_timeout)) {
676 return_status = QLA_FUNCTION_FAILED;
677 break;
678 }
679 }
680 return (return_status);
681 }
682
683 void
684 qla2x00_abort_fcport_cmds(fc_port_t *fcport)
685 {
686 int cnt;
687 unsigned long flags;
688 srb_t *sp;
689 scsi_qla_host_t *vha = fcport->vha;
690 struct qla_hw_data *ha = vha->hw;
691 struct req_que *req;
692
693 spin_lock_irqsave(&ha->hardware_lock, flags);
694 req = vha->req;
695 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
696 sp = req->outstanding_cmds[cnt];
697 if (!sp)
698 continue;
699 if (sp->fcport != fcport)
700 continue;
701
702 spin_unlock_irqrestore(&ha->hardware_lock, flags);
703 if (ha->isp_ops->abort_command(sp)) {
704 DEBUG2(qla_printk(KERN_WARNING, ha,
705 "Abort failed -- %lx\n",
706 sp->cmd->serial_number));
707 } else {
708 if (qla2x00_eh_wait_on_command(sp->cmd) !=
709 QLA_SUCCESS)
710 DEBUG2(qla_printk(KERN_WARNING, ha,
711 "Abort failed while waiting -- %lx\n",
712 sp->cmd->serial_number));
713 }
714 spin_lock_irqsave(&ha->hardware_lock, flags);
715 }
716 spin_unlock_irqrestore(&ha->hardware_lock, flags);
717 }
718
719 static void
720 qla2x00_block_error_handler(struct scsi_cmnd *cmnd)
721 {
722 struct Scsi_Host *shost = cmnd->device->host;
723 struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device));
724 unsigned long flags;
725
726 spin_lock_irqsave(shost->host_lock, flags);
727 while (rport->port_state == FC_PORTSTATE_BLOCKED) {
728 spin_unlock_irqrestore(shost->host_lock, flags);
729 msleep(1000);
730 spin_lock_irqsave(shost->host_lock, flags);
731 }
732 spin_unlock_irqrestore(shost->host_lock, flags);
733 return;
734 }
735
736 /**************************************************************************
737 * qla2xxx_eh_abort
738 *
739 * Description:
740 * The abort function will abort the specified command.
741 *
742 * Input:
743 * cmd = Linux SCSI command packet to be aborted.
744 *
745 * Returns:
746 * Either SUCCESS or FAILED.
747 *
748 * Note:
749 * Only return FAILED if command not returned by firmware.
750 **************************************************************************/
751 static int
752 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
753 {
754 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
755 srb_t *sp;
756 int ret, i;
757 unsigned int id, lun;
758 unsigned long serial;
759 unsigned long flags;
760 int wait = 0;
761 struct qla_hw_data *ha = vha->hw;
762 struct req_que *req = vha->req;
763 srb_t *spt;
764
765 qla2x00_block_error_handler(cmd);
766
767 if (!CMD_SP(cmd))
768 return SUCCESS;
769
770 ret = SUCCESS;
771
772 id = cmd->device->id;
773 lun = cmd->device->lun;
774 serial = cmd->serial_number;
775 spt = (srb_t *) CMD_SP(cmd);
776 if (!spt)
777 return SUCCESS;
778
779 /* Check active list for command command. */
780 spin_lock_irqsave(&ha->hardware_lock, flags);
781 for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
782 sp = req->outstanding_cmds[i];
783
784 if (sp == NULL)
785 continue;
786
787 if (sp->cmd != cmd)
788 continue;
789
790 DEBUG2(printk("%s(%ld): aborting sp %p from RISC."
791 " pid=%ld.\n", __func__, vha->host_no, sp, serial));
792
793 spin_unlock_irqrestore(&ha->hardware_lock, flags);
794 if (ha->isp_ops->abort_command(sp)) {
795 DEBUG2(printk("%s(%ld): abort_command "
796 "mbx failed.\n", __func__, vha->host_no));
797 ret = FAILED;
798 } else {
799 DEBUG3(printk("%s(%ld): abort_command "
800 "mbx success.\n", __func__, vha->host_no));
801 wait = 1;
802 }
803 spin_lock_irqsave(&ha->hardware_lock, flags);
804 break;
805 }
806 spin_unlock_irqrestore(&ha->hardware_lock, flags);
807
808 /* Wait for the command to be returned. */
809 if (wait) {
810 if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
811 qla_printk(KERN_ERR, ha,
812 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
813 "%x.\n", vha->host_no, id, lun, serial, ret);
814 ret = FAILED;
815 }
816 }
817
818 qla_printk(KERN_INFO, ha,
819 "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
820 vha->host_no, id, lun, wait, serial, ret);
821
822 return ret;
823 }
824
825 enum nexus_wait_type {
826 WAIT_HOST = 0,
827 WAIT_TARGET,
828 WAIT_LUN,
829 };
830
831 static int
832 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
833 unsigned int l, srb_t *sp, enum nexus_wait_type type)
834 {
835 int cnt, match, status;
836 unsigned long flags;
837 struct qla_hw_data *ha = vha->hw;
838 struct req_que *req;
839
840 status = QLA_SUCCESS;
841 if (!sp)
842 return status;
843
844 spin_lock_irqsave(&ha->hardware_lock, flags);
845 req = vha->req;
846 for (cnt = 1; status == QLA_SUCCESS &&
847 cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
848 sp = req->outstanding_cmds[cnt];
849 if (!sp)
850 continue;
851
852 if (vha->vp_idx != sp->fcport->vha->vp_idx)
853 continue;
854 match = 0;
855 switch (type) {
856 case WAIT_HOST:
857 match = 1;
858 break;
859 case WAIT_TARGET:
860 match = sp->cmd->device->id == t;
861 break;
862 case WAIT_LUN:
863 match = (sp->cmd->device->id == t &&
864 sp->cmd->device->lun == l);
865 break;
866 }
867 if (!match)
868 continue;
869
870 spin_unlock_irqrestore(&ha->hardware_lock, flags);
871 status = qla2x00_eh_wait_on_command(sp->cmd);
872 spin_lock_irqsave(&ha->hardware_lock, flags);
873 }
874 spin_unlock_irqrestore(&ha->hardware_lock, flags);
875
876 return status;
877 }
878
879 static char *reset_errors[] = {
880 "HBA not online",
881 "HBA not ready",
882 "Task management failed",
883 "Waiting for command completions",
884 };
885
886 static int
887 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
888 struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int, int))
889 {
890 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
891 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
892 int err;
893
894 qla2x00_block_error_handler(cmd);
895
896 if (!fcport)
897 return FAILED;
898
899 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET ISSUED.\n",
900 vha->host_no, cmd->device->id, cmd->device->lun, name);
901
902 err = 0;
903 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
904 goto eh_reset_failed;
905 err = 1;
906 if (qla2x00_wait_for_loop_ready(vha) != QLA_SUCCESS)
907 goto eh_reset_failed;
908 err = 2;
909 if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
910 != QLA_SUCCESS)
911 goto eh_reset_failed;
912 err = 3;
913 if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
914 cmd->device->lun, (srb_t *) CMD_SP(cmd), type) != QLA_SUCCESS)
915 goto eh_reset_failed;
916
917 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n",
918 vha->host_no, cmd->device->id, cmd->device->lun, name);
919
920 return SUCCESS;
921
922 eh_reset_failed:
923 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n"
924 , vha->host_no, cmd->device->id, cmd->device->lun, name,
925 reset_errors[err]);
926 return FAILED;
927 }
928
929 static int
930 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
931 {
932 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
933 struct qla_hw_data *ha = vha->hw;
934
935 return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
936 ha->isp_ops->lun_reset);
937 }
938
939 static int
940 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
941 {
942 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
943 struct qla_hw_data *ha = vha->hw;
944
945 return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
946 ha->isp_ops->target_reset);
947 }
948
949 /**************************************************************************
950 * qla2xxx_eh_bus_reset
951 *
952 * Description:
953 * The bus reset function will reset the bus and abort any executing
954 * commands.
955 *
956 * Input:
957 * cmd = Linux SCSI command packet of the command that cause the
958 * bus reset.
959 *
960 * Returns:
961 * SUCCESS/FAILURE (defined as macro in scsi.h).
962 *
963 **************************************************************************/
964 static int
965 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
966 {
967 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
968 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
969 int ret = FAILED;
970 unsigned int id, lun;
971 unsigned long serial;
972 srb_t *sp = (srb_t *) CMD_SP(cmd);
973
974 qla2x00_block_error_handler(cmd);
975
976 id = cmd->device->id;
977 lun = cmd->device->lun;
978 serial = cmd->serial_number;
979
980 if (!fcport)
981 return ret;
982
983 qla_printk(KERN_INFO, vha->hw,
984 "scsi(%ld:%d:%d): BUS RESET ISSUED.\n", vha->host_no, id, lun);
985
986 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
987 DEBUG2(printk("%s failed:board disabled\n",__func__));
988 goto eh_bus_reset_done;
989 }
990
991 if (qla2x00_wait_for_loop_ready(vha) == QLA_SUCCESS) {
992 if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
993 ret = SUCCESS;
994 }
995 if (ret == FAILED)
996 goto eh_bus_reset_done;
997
998 /* Flush outstanding commands. */
999 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) !=
1000 QLA_SUCCESS)
1001 ret = FAILED;
1002
1003 eh_bus_reset_done:
1004 qla_printk(KERN_INFO, vha->hw, "%s: reset %s\n", __func__,
1005 (ret == FAILED) ? "failed" : "succeded");
1006
1007 return ret;
1008 }
1009
1010 /**************************************************************************
1011 * qla2xxx_eh_host_reset
1012 *
1013 * Description:
1014 * The reset function will reset the Adapter.
1015 *
1016 * Input:
1017 * cmd = Linux SCSI command packet of the command that cause the
1018 * adapter reset.
1019 *
1020 * Returns:
1021 * Either SUCCESS or FAILED.
1022 *
1023 * Note:
1024 **************************************************************************/
1025 static int
1026 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1027 {
1028 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1029 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1030 struct qla_hw_data *ha = vha->hw;
1031 int ret = FAILED;
1032 unsigned int id, lun;
1033 unsigned long serial;
1034 srb_t *sp = (srb_t *) CMD_SP(cmd);
1035 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1036
1037 qla2x00_block_error_handler(cmd);
1038
1039 id = cmd->device->id;
1040 lun = cmd->device->lun;
1041 serial = cmd->serial_number;
1042
1043 if (!fcport)
1044 return ret;
1045
1046 qla_printk(KERN_INFO, ha,
1047 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", vha->host_no, id, lun);
1048
1049 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
1050 goto eh_host_reset_lock;
1051
1052 /*
1053 * Fixme-may be dpc thread is active and processing
1054 * loop_resync,so wait a while for it to
1055 * be completed and then issue big hammer.Otherwise
1056 * it may cause I/O failure as big hammer marks the
1057 * devices as lost kicking of the port_down_timer
1058 * while dpc is stuck for the mailbox to complete.
1059 */
1060 qla2x00_wait_for_loop_ready(vha);
1061 if (vha != base_vha) {
1062 if (qla2x00_vp_abort_isp(vha))
1063 goto eh_host_reset_lock;
1064 } else {
1065 if (ha->wq)
1066 flush_workqueue(ha->wq);
1067
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 !IS_QLA81XX(ha)) {
1111 ret = qla2x00_full_login_lip(vha);
1112 if (ret != QLA_SUCCESS) {
1113 DEBUG2_3(printk("%s(%ld): failed: "
1114 "full_login_lip=%d.\n", __func__, vha->host_no,
1115 ret));
1116 }
1117 atomic_set(&vha->loop_state, LOOP_DOWN);
1118 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1119 qla2x00_mark_all_devices_lost(vha, 0);
1120 qla2x00_wait_for_loop_ready(vha);
1121 }
1122
1123 if (ha->flags.enable_lip_reset && !vha->vp_idx) {
1124 ret = qla2x00_lip_reset(vha);
1125 if (ret != QLA_SUCCESS) {
1126 DEBUG2_3(printk("%s(%ld): failed: "
1127 "lip_reset=%d.\n", __func__, vha->host_no, ret));
1128 } else
1129 qla2x00_wait_for_loop_ready(vha);
1130 }
1131
1132 if (ha->flags.enable_target_reset) {
1133 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1134 if (fcport->port_type != FCT_TARGET)
1135 continue;
1136
1137 ret = ha->isp_ops->target_reset(fcport, 0, 0);
1138 if (ret != QLA_SUCCESS) {
1139 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1140 "target_reset=%d d_id=%x.\n", __func__,
1141 vha->host_no, ret, fcport->d_id.b24));
1142 }
1143 }
1144 }
1145 /* Issue marker command only when we are going to start the I/O */
1146 vha->marker_needed = 1;
1147
1148 return QLA_SUCCESS;
1149 }
1150
1151 void
1152 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1153 {
1154 int que, cnt;
1155 unsigned long flags;
1156 srb_t *sp;
1157 struct qla_hw_data *ha = vha->hw;
1158 struct req_que *req;
1159
1160 spin_lock_irqsave(&ha->hardware_lock, flags);
1161 for (que = 0; que < ha->max_req_queues; que++) {
1162 req = ha->req_q_map[que];
1163 if (!req)
1164 continue;
1165 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1166 sp = req->outstanding_cmds[cnt];
1167 if (sp) {
1168 req->outstanding_cmds[cnt] = NULL;
1169 sp->cmd->result = res;
1170 qla2x00_sp_compl(ha, sp);
1171 }
1172 }
1173 }
1174 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1175 }
1176
1177 static int
1178 qla2xxx_slave_alloc(struct scsi_device *sdev)
1179 {
1180 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1181
1182 if (!rport || fc_remote_port_chkready(rport))
1183 return -ENXIO;
1184
1185 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1186
1187 return 0;
1188 }
1189
1190 static int
1191 qla2xxx_slave_configure(struct scsi_device *sdev)
1192 {
1193 scsi_qla_host_t *vha = shost_priv(sdev->host);
1194 struct qla_hw_data *ha = vha->hw;
1195 struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1196 struct req_que *req = vha->req;
1197
1198 if (sdev->tagged_supported)
1199 scsi_activate_tcq(sdev, req->max_q_depth);
1200 else
1201 scsi_deactivate_tcq(sdev, req->max_q_depth);
1202
1203 rport->dev_loss_tmo = ha->port_down_retry_count;
1204
1205 return 0;
1206 }
1207
1208 static void
1209 qla2xxx_slave_destroy(struct scsi_device *sdev)
1210 {
1211 sdev->hostdata = NULL;
1212 }
1213
1214 static int
1215 qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
1216 {
1217 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1218 return sdev->queue_depth;
1219 }
1220
1221 static int
1222 qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1223 {
1224 if (sdev->tagged_supported) {
1225 scsi_set_tag_type(sdev, tag_type);
1226 if (tag_type)
1227 scsi_activate_tcq(sdev, sdev->queue_depth);
1228 else
1229 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1230 } else
1231 tag_type = 0;
1232
1233 return tag_type;
1234 }
1235
1236 /**
1237 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1238 * @ha: HA context
1239 *
1240 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1241 * supported addressing method.
1242 */
1243 static void
1244 qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1245 {
1246 /* Assume a 32bit DMA mask. */
1247 ha->flags.enable_64bit_addressing = 0;
1248
1249 if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1250 /* Any upper-dword bits set? */
1251 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1252 !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
1253 /* Ok, a 64bit DMA mask is applicable. */
1254 ha->flags.enable_64bit_addressing = 1;
1255 ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1256 ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1257 return;
1258 }
1259 }
1260
1261 dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1262 pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1263 }
1264
1265 static void
1266 qla2x00_enable_intrs(struct qla_hw_data *ha)
1267 {
1268 unsigned long flags = 0;
1269 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1270
1271 spin_lock_irqsave(&ha->hardware_lock, flags);
1272 ha->interrupts_on = 1;
1273 /* enable risc and host interrupts */
1274 WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1275 RD_REG_WORD(&reg->ictrl);
1276 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1277
1278 }
1279
1280 static void
1281 qla2x00_disable_intrs(struct qla_hw_data *ha)
1282 {
1283 unsigned long flags = 0;
1284 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1285
1286 spin_lock_irqsave(&ha->hardware_lock, flags);
1287 ha->interrupts_on = 0;
1288 /* disable risc and host interrupts */
1289 WRT_REG_WORD(&reg->ictrl, 0);
1290 RD_REG_WORD(&reg->ictrl);
1291 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1292 }
1293
1294 static void
1295 qla24xx_enable_intrs(struct qla_hw_data *ha)
1296 {
1297 unsigned long flags = 0;
1298 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1299
1300 spin_lock_irqsave(&ha->hardware_lock, flags);
1301 ha->interrupts_on = 1;
1302 WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1303 RD_REG_DWORD(&reg->ictrl);
1304 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1305 }
1306
1307 static void
1308 qla24xx_disable_intrs(struct qla_hw_data *ha)
1309 {
1310 unsigned long flags = 0;
1311 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1312
1313 if (IS_NOPOLLING_TYPE(ha))
1314 return;
1315 spin_lock_irqsave(&ha->hardware_lock, flags);
1316 ha->interrupts_on = 0;
1317 WRT_REG_DWORD(&reg->ictrl, 0);
1318 RD_REG_DWORD(&reg->ictrl);
1319 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1320 }
1321
1322 static struct isp_operations qla2100_isp_ops = {
1323 .pci_config = qla2100_pci_config,
1324 .reset_chip = qla2x00_reset_chip,
1325 .chip_diag = qla2x00_chip_diag,
1326 .config_rings = qla2x00_config_rings,
1327 .reset_adapter = qla2x00_reset_adapter,
1328 .nvram_config = qla2x00_nvram_config,
1329 .update_fw_options = qla2x00_update_fw_options,
1330 .load_risc = qla2x00_load_risc,
1331 .pci_info_str = qla2x00_pci_info_str,
1332 .fw_version_str = qla2x00_fw_version_str,
1333 .intr_handler = qla2100_intr_handler,
1334 .enable_intrs = qla2x00_enable_intrs,
1335 .disable_intrs = qla2x00_disable_intrs,
1336 .abort_command = qla2x00_abort_command,
1337 .target_reset = qla2x00_abort_target,
1338 .lun_reset = qla2x00_lun_reset,
1339 .fabric_login = qla2x00_login_fabric,
1340 .fabric_logout = qla2x00_fabric_logout,
1341 .calc_req_entries = qla2x00_calc_iocbs_32,
1342 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1343 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1344 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1345 .read_nvram = qla2x00_read_nvram_data,
1346 .write_nvram = qla2x00_write_nvram_data,
1347 .fw_dump = qla2100_fw_dump,
1348 .beacon_on = NULL,
1349 .beacon_off = NULL,
1350 .beacon_blink = NULL,
1351 .read_optrom = qla2x00_read_optrom_data,
1352 .write_optrom = qla2x00_write_optrom_data,
1353 .get_flash_version = qla2x00_get_flash_version,
1354 .start_scsi = qla2x00_start_scsi,
1355 };
1356
1357 static struct isp_operations qla2300_isp_ops = {
1358 .pci_config = qla2300_pci_config,
1359 .reset_chip = qla2x00_reset_chip,
1360 .chip_diag = qla2x00_chip_diag,
1361 .config_rings = qla2x00_config_rings,
1362 .reset_adapter = qla2x00_reset_adapter,
1363 .nvram_config = qla2x00_nvram_config,
1364 .update_fw_options = qla2x00_update_fw_options,
1365 .load_risc = qla2x00_load_risc,
1366 .pci_info_str = qla2x00_pci_info_str,
1367 .fw_version_str = qla2x00_fw_version_str,
1368 .intr_handler = qla2300_intr_handler,
1369 .enable_intrs = qla2x00_enable_intrs,
1370 .disable_intrs = qla2x00_disable_intrs,
1371 .abort_command = qla2x00_abort_command,
1372 .target_reset = qla2x00_abort_target,
1373 .lun_reset = qla2x00_lun_reset,
1374 .fabric_login = qla2x00_login_fabric,
1375 .fabric_logout = qla2x00_fabric_logout,
1376 .calc_req_entries = qla2x00_calc_iocbs_32,
1377 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1378 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1379 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1380 .read_nvram = qla2x00_read_nvram_data,
1381 .write_nvram = qla2x00_write_nvram_data,
1382 .fw_dump = qla2300_fw_dump,
1383 .beacon_on = qla2x00_beacon_on,
1384 .beacon_off = qla2x00_beacon_off,
1385 .beacon_blink = qla2x00_beacon_blink,
1386 .read_optrom = qla2x00_read_optrom_data,
1387 .write_optrom = qla2x00_write_optrom_data,
1388 .get_flash_version = qla2x00_get_flash_version,
1389 .start_scsi = qla2x00_start_scsi,
1390 };
1391
1392 static struct isp_operations qla24xx_isp_ops = {
1393 .pci_config = qla24xx_pci_config,
1394 .reset_chip = qla24xx_reset_chip,
1395 .chip_diag = qla24xx_chip_diag,
1396 .config_rings = qla24xx_config_rings,
1397 .reset_adapter = qla24xx_reset_adapter,
1398 .nvram_config = qla24xx_nvram_config,
1399 .update_fw_options = qla24xx_update_fw_options,
1400 .load_risc = qla24xx_load_risc,
1401 .pci_info_str = qla24xx_pci_info_str,
1402 .fw_version_str = qla24xx_fw_version_str,
1403 .intr_handler = qla24xx_intr_handler,
1404 .enable_intrs = qla24xx_enable_intrs,
1405 .disable_intrs = qla24xx_disable_intrs,
1406 .abort_command = qla24xx_abort_command,
1407 .target_reset = qla24xx_abort_target,
1408 .lun_reset = qla24xx_lun_reset,
1409 .fabric_login = qla24xx_login_fabric,
1410 .fabric_logout = qla24xx_fabric_logout,
1411 .calc_req_entries = NULL,
1412 .build_iocbs = NULL,
1413 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1414 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1415 .read_nvram = qla24xx_read_nvram_data,
1416 .write_nvram = qla24xx_write_nvram_data,
1417 .fw_dump = qla24xx_fw_dump,
1418 .beacon_on = qla24xx_beacon_on,
1419 .beacon_off = qla24xx_beacon_off,
1420 .beacon_blink = qla24xx_beacon_blink,
1421 .read_optrom = qla24xx_read_optrom_data,
1422 .write_optrom = qla24xx_write_optrom_data,
1423 .get_flash_version = qla24xx_get_flash_version,
1424 .start_scsi = qla24xx_start_scsi,
1425 };
1426
1427 static struct isp_operations qla25xx_isp_ops = {
1428 .pci_config = qla25xx_pci_config,
1429 .reset_chip = qla24xx_reset_chip,
1430 .chip_diag = qla24xx_chip_diag,
1431 .config_rings = qla24xx_config_rings,
1432 .reset_adapter = qla24xx_reset_adapter,
1433 .nvram_config = qla24xx_nvram_config,
1434 .update_fw_options = qla24xx_update_fw_options,
1435 .load_risc = qla24xx_load_risc,
1436 .pci_info_str = qla24xx_pci_info_str,
1437 .fw_version_str = qla24xx_fw_version_str,
1438 .intr_handler = qla24xx_intr_handler,
1439 .enable_intrs = qla24xx_enable_intrs,
1440 .disable_intrs = qla24xx_disable_intrs,
1441 .abort_command = qla24xx_abort_command,
1442 .target_reset = qla24xx_abort_target,
1443 .lun_reset = qla24xx_lun_reset,
1444 .fabric_login = qla24xx_login_fabric,
1445 .fabric_logout = qla24xx_fabric_logout,
1446 .calc_req_entries = NULL,
1447 .build_iocbs = NULL,
1448 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1449 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1450 .read_nvram = qla25xx_read_nvram_data,
1451 .write_nvram = qla25xx_write_nvram_data,
1452 .fw_dump = qla25xx_fw_dump,
1453 .beacon_on = qla24xx_beacon_on,
1454 .beacon_off = qla24xx_beacon_off,
1455 .beacon_blink = qla24xx_beacon_blink,
1456 .read_optrom = qla25xx_read_optrom_data,
1457 .write_optrom = qla24xx_write_optrom_data,
1458 .get_flash_version = qla24xx_get_flash_version,
1459 .start_scsi = qla24xx_start_scsi,
1460 };
1461
1462 static struct isp_operations qla81xx_isp_ops = {
1463 .pci_config = qla25xx_pci_config,
1464 .reset_chip = qla24xx_reset_chip,
1465 .chip_diag = qla24xx_chip_diag,
1466 .config_rings = qla24xx_config_rings,
1467 .reset_adapter = qla24xx_reset_adapter,
1468 .nvram_config = qla81xx_nvram_config,
1469 .update_fw_options = qla81xx_update_fw_options,
1470 .load_risc = qla81xx_load_risc,
1471 .pci_info_str = qla24xx_pci_info_str,
1472 .fw_version_str = qla24xx_fw_version_str,
1473 .intr_handler = qla24xx_intr_handler,
1474 .enable_intrs = qla24xx_enable_intrs,
1475 .disable_intrs = qla24xx_disable_intrs,
1476 .abort_command = qla24xx_abort_command,
1477 .target_reset = qla24xx_abort_target,
1478 .lun_reset = qla24xx_lun_reset,
1479 .fabric_login = qla24xx_login_fabric,
1480 .fabric_logout = qla24xx_fabric_logout,
1481 .calc_req_entries = NULL,
1482 .build_iocbs = NULL,
1483 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1484 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1485 .read_nvram = NULL,
1486 .write_nvram = NULL,
1487 .fw_dump = qla81xx_fw_dump,
1488 .beacon_on = qla24xx_beacon_on,
1489 .beacon_off = qla24xx_beacon_off,
1490 .beacon_blink = qla24xx_beacon_blink,
1491 .read_optrom = qla25xx_read_optrom_data,
1492 .write_optrom = qla24xx_write_optrom_data,
1493 .get_flash_version = qla24xx_get_flash_version,
1494 .start_scsi = qla24xx_start_scsi,
1495 };
1496
1497 static inline void
1498 qla2x00_set_isp_flags(struct qla_hw_data *ha)
1499 {
1500 ha->device_type = DT_EXTENDED_IDS;
1501 switch (ha->pdev->device) {
1502 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1503 ha->device_type |= DT_ISP2100;
1504 ha->device_type &= ~DT_EXTENDED_IDS;
1505 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1506 break;
1507 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1508 ha->device_type |= DT_ISP2200;
1509 ha->device_type &= ~DT_EXTENDED_IDS;
1510 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1511 break;
1512 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1513 ha->device_type |= DT_ISP2300;
1514 ha->device_type |= DT_ZIO_SUPPORTED;
1515 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1516 break;
1517 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1518 ha->device_type |= DT_ISP2312;
1519 ha->device_type |= DT_ZIO_SUPPORTED;
1520 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1521 break;
1522 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1523 ha->device_type |= DT_ISP2322;
1524 ha->device_type |= DT_ZIO_SUPPORTED;
1525 if (ha->pdev->subsystem_vendor == 0x1028 &&
1526 ha->pdev->subsystem_device == 0x0170)
1527 ha->device_type |= DT_OEM_001;
1528 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1529 break;
1530 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1531 ha->device_type |= DT_ISP6312;
1532 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1533 break;
1534 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1535 ha->device_type |= DT_ISP6322;
1536 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1537 break;
1538 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1539 ha->device_type |= DT_ISP2422;
1540 ha->device_type |= DT_ZIO_SUPPORTED;
1541 ha->device_type |= DT_FWI2;
1542 ha->device_type |= DT_IIDMA;
1543 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1544 break;
1545 case PCI_DEVICE_ID_QLOGIC_ISP2432:
1546 ha->device_type |= DT_ISP2432;
1547 ha->device_type |= DT_ZIO_SUPPORTED;
1548 ha->device_type |= DT_FWI2;
1549 ha->device_type |= DT_IIDMA;
1550 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1551 break;
1552 case PCI_DEVICE_ID_QLOGIC_ISP8432:
1553 ha->device_type |= DT_ISP8432;
1554 ha->device_type |= DT_ZIO_SUPPORTED;
1555 ha->device_type |= DT_FWI2;
1556 ha->device_type |= DT_IIDMA;
1557 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1558 break;
1559 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1560 ha->device_type |= DT_ISP5422;
1561 ha->device_type |= DT_FWI2;
1562 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1563 break;
1564 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1565 ha->device_type |= DT_ISP5432;
1566 ha->device_type |= DT_FWI2;
1567 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1568 break;
1569 case PCI_DEVICE_ID_QLOGIC_ISP2532:
1570 ha->device_type |= DT_ISP2532;
1571 ha->device_type |= DT_ZIO_SUPPORTED;
1572 ha->device_type |= DT_FWI2;
1573 ha->device_type |= DT_IIDMA;
1574 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1575 break;
1576 case PCI_DEVICE_ID_QLOGIC_ISP8001:
1577 ha->device_type |= DT_ISP8001;
1578 ha->device_type |= DT_ZIO_SUPPORTED;
1579 ha->device_type |= DT_FWI2;
1580 ha->device_type |= DT_IIDMA;
1581 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1582 break;
1583 }
1584 }
1585
1586 static int
1587 qla2x00_iospace_config(struct qla_hw_data *ha)
1588 {
1589 resource_size_t pio;
1590 uint16_t msix;
1591 int cpus;
1592
1593 if (pci_request_selected_regions(ha->pdev, ha->bars,
1594 QLA2XXX_DRIVER_NAME)) {
1595 qla_printk(KERN_WARNING, ha,
1596 "Failed to reserve PIO/MMIO regions (%s)\n",
1597 pci_name(ha->pdev));
1598
1599 goto iospace_error_exit;
1600 }
1601 if (!(ha->bars & 1))
1602 goto skip_pio;
1603
1604 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1605 pio = pci_resource_start(ha->pdev, 0);
1606 if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1607 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1608 qla_printk(KERN_WARNING, ha,
1609 "Invalid PCI I/O region size (%s)...\n",
1610 pci_name(ha->pdev));
1611 pio = 0;
1612 }
1613 } else {
1614 qla_printk(KERN_WARNING, ha,
1615 "region #0 not a PIO resource (%s)...\n",
1616 pci_name(ha->pdev));
1617 pio = 0;
1618 }
1619 ha->pio_address = pio;
1620
1621 skip_pio:
1622 /* Use MMIO operations for all accesses. */
1623 if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1624 qla_printk(KERN_ERR, ha,
1625 "region #1 not an MMIO resource (%s), aborting\n",
1626 pci_name(ha->pdev));
1627 goto iospace_error_exit;
1628 }
1629 if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1630 qla_printk(KERN_ERR, ha,
1631 "Invalid PCI mem region size (%s), aborting\n",
1632 pci_name(ha->pdev));
1633 goto iospace_error_exit;
1634 }
1635
1636 ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1637 if (!ha->iobase) {
1638 qla_printk(KERN_ERR, ha,
1639 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1640
1641 goto iospace_error_exit;
1642 }
1643
1644 /* Determine queue resources */
1645 ha->max_req_queues = ha->max_rsp_queues = 1;
1646 if ((ql2xmaxqueues <= 1 || ql2xmultique_tag < 1) &&
1647 (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
1648 goto mqiobase_exit;
1649 ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1650 pci_resource_len(ha->pdev, 3));
1651 if (ha->mqiobase) {
1652 /* Read MSIX vector size of the board */
1653 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1654 ha->msix_count = msix;
1655 /* Max queues are bounded by available msix vectors */
1656 /* queue 0 uses two msix vectors */
1657 if (ql2xmultique_tag) {
1658 cpus = num_online_cpus();
1659 ha->max_rsp_queues = (ha->msix_count - 1 - cpus) ?
1660 (cpus + 1) : (ha->msix_count - 1);
1661 ha->max_req_queues = 2;
1662 } else if (ql2xmaxqueues > 1) {
1663 ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ?
1664 QLA_MQ_SIZE : ql2xmaxqueues;
1665 DEBUG2(qla_printk(KERN_INFO, ha, "QoS mode set, max no"
1666 " of request queues:%d\n", ha->max_req_queues));
1667 }
1668 qla_printk(KERN_INFO, ha,
1669 "MSI-X vector count: %d\n", msix);
1670 } else
1671 qla_printk(KERN_INFO, ha, "BAR 3 not enabled\n");
1672
1673 mqiobase_exit:
1674 ha->msix_count = ha->max_rsp_queues + 1;
1675 return (0);
1676
1677 iospace_error_exit:
1678 return (-ENOMEM);
1679 }
1680
1681 static void
1682 qla2xxx_scan_start(struct Scsi_Host *shost)
1683 {
1684 scsi_qla_host_t *vha = shost_priv(shost);
1685
1686 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1687 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1688 set_bit(RSCN_UPDATE, &vha->dpc_flags);
1689 set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
1690 }
1691
1692 static int
1693 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1694 {
1695 scsi_qla_host_t *vha = shost_priv(shost);
1696
1697 if (!vha->host)
1698 return 1;
1699 if (time > vha->hw->loop_reset_delay * HZ)
1700 return 1;
1701
1702 return atomic_read(&vha->loop_state) == LOOP_READY;
1703 }
1704
1705 /*
1706 * PCI driver interface
1707 */
1708 static int __devinit
1709 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1710 {
1711 int ret = -ENODEV;
1712 struct Scsi_Host *host;
1713 scsi_qla_host_t *base_vha = NULL;
1714 struct qla_hw_data *ha;
1715 char pci_info[30];
1716 char fw_str[30];
1717 struct scsi_host_template *sht;
1718 int bars, max_id, mem_only = 0;
1719 uint16_t req_length = 0, rsp_length = 0;
1720 struct req_que *req = NULL;
1721 struct rsp_que *rsp = NULL;
1722
1723 bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
1724 sht = &qla2xxx_driver_template;
1725 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
1726 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
1727 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
1728 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
1729 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
1730 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
1731 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001) {
1732 bars = pci_select_bars(pdev, IORESOURCE_MEM);
1733 mem_only = 1;
1734 }
1735
1736 if (mem_only) {
1737 if (pci_enable_device_mem(pdev))
1738 goto probe_out;
1739 } else {
1740 if (pci_enable_device(pdev))
1741 goto probe_out;
1742 }
1743
1744 /* This may fail but that's ok */
1745 pci_enable_pcie_error_reporting(pdev);
1746
1747 ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
1748 if (!ha) {
1749 DEBUG(printk("Unable to allocate memory for ha\n"));
1750 goto probe_out;
1751 }
1752 ha->pdev = pdev;
1753
1754 /* Clear our data area */
1755 ha->bars = bars;
1756 ha->mem_only = mem_only;
1757 spin_lock_init(&ha->hardware_lock);
1758
1759 /* Set ISP-type information. */
1760 qla2x00_set_isp_flags(ha);
1761 /* Configure PCI I/O space */
1762 ret = qla2x00_iospace_config(ha);
1763 if (ret)
1764 goto probe_hw_failed;
1765
1766 qla_printk(KERN_INFO, ha,
1767 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1768 ha->iobase);
1769
1770 ha->prev_topology = 0;
1771 ha->init_cb_size = sizeof(init_cb_t);
1772 ha->link_data_rate = PORT_SPEED_UNKNOWN;
1773 ha->optrom_size = OPTROM_SIZE_2300;
1774
1775 /* Assign ISP specific operations. */
1776 max_id = MAX_TARGETS_2200;
1777 if (IS_QLA2100(ha)) {
1778 max_id = MAX_TARGETS_2100;
1779 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
1780 req_length = REQUEST_ENTRY_CNT_2100;
1781 rsp_length = RESPONSE_ENTRY_CNT_2100;
1782 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
1783 ha->gid_list_info_size = 4;
1784 ha->flash_conf_off = ~0;
1785 ha->flash_data_off = ~0;
1786 ha->nvram_conf_off = ~0;
1787 ha->nvram_data_off = ~0;
1788 ha->isp_ops = &qla2100_isp_ops;
1789 } else if (IS_QLA2200(ha)) {
1790 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1791 req_length = REQUEST_ENTRY_CNT_2200;
1792 rsp_length = RESPONSE_ENTRY_CNT_2100;
1793 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
1794 ha->gid_list_info_size = 4;
1795 ha->flash_conf_off = ~0;
1796 ha->flash_data_off = ~0;
1797 ha->nvram_conf_off = ~0;
1798 ha->nvram_data_off = ~0;
1799 ha->isp_ops = &qla2100_isp_ops;
1800 } else if (IS_QLA23XX(ha)) {
1801 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1802 req_length = REQUEST_ENTRY_CNT_2200;
1803 rsp_length = RESPONSE_ENTRY_CNT_2300;
1804 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1805 ha->gid_list_info_size = 6;
1806 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1807 ha->optrom_size = OPTROM_SIZE_2322;
1808 ha->flash_conf_off = ~0;
1809 ha->flash_data_off = ~0;
1810 ha->nvram_conf_off = ~0;
1811 ha->nvram_data_off = ~0;
1812 ha->isp_ops = &qla2300_isp_ops;
1813 } else if (IS_QLA24XX_TYPE(ha)) {
1814 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1815 req_length = REQUEST_ENTRY_CNT_24XX;
1816 rsp_length = RESPONSE_ENTRY_CNT_2300;
1817 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1818 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1819 ha->gid_list_info_size = 8;
1820 ha->optrom_size = OPTROM_SIZE_24XX;
1821 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
1822 ha->isp_ops = &qla24xx_isp_ops;
1823 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
1824 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
1825 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
1826 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
1827 } else if (IS_QLA25XX(ha)) {
1828 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1829 req_length = REQUEST_ENTRY_CNT_24XX;
1830 rsp_length = RESPONSE_ENTRY_CNT_2300;
1831 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1832 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1833 ha->gid_list_info_size = 8;
1834 ha->optrom_size = OPTROM_SIZE_25XX;
1835 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
1836 ha->isp_ops = &qla25xx_isp_ops;
1837 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
1838 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
1839 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
1840 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
1841 } else if (IS_QLA81XX(ha)) {
1842 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1843 req_length = REQUEST_ENTRY_CNT_24XX;
1844 rsp_length = RESPONSE_ENTRY_CNT_2300;
1845 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1846 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
1847 ha->gid_list_info_size = 8;
1848 ha->optrom_size = OPTROM_SIZE_81XX;
1849 ha->isp_ops = &qla81xx_isp_ops;
1850 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
1851 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
1852 ha->nvram_conf_off = ~0;
1853 ha->nvram_data_off = ~0;
1854 }
1855
1856 mutex_init(&ha->vport_lock);
1857 init_completion(&ha->mbx_cmd_comp);
1858 complete(&ha->mbx_cmd_comp);
1859 init_completion(&ha->mbx_intr_comp);
1860
1861 set_bit(0, (unsigned long *) ha->vp_idx_map);
1862
1863 qla2x00_config_dma_addressing(ha);
1864 ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
1865 if (!ret) {
1866 qla_printk(KERN_WARNING, ha,
1867 "[ERROR] Failed to allocate memory for adapter\n");
1868
1869 goto probe_hw_failed;
1870 }
1871
1872 req->max_q_depth = MAX_Q_DEPTH;
1873 if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
1874 req->max_q_depth = ql2xmaxqdepth;
1875
1876
1877 base_vha = qla2x00_create_host(sht, ha);
1878 if (!base_vha) {
1879 qla_printk(KERN_WARNING, ha,
1880 "[ERROR] Failed to allocate memory for scsi_host\n");
1881
1882 ret = -ENOMEM;
1883 qla2x00_mem_free(ha);
1884 qla2x00_free_req_que(ha, req);
1885 qla2x00_free_rsp_que(ha, rsp);
1886 goto probe_hw_failed;
1887 }
1888
1889 pci_set_drvdata(pdev, base_vha);
1890
1891 host = base_vha->host;
1892 base_vha->req = req;
1893 host->can_queue = req->length + 128;
1894 if (IS_QLA2XXX_MIDTYPE(ha))
1895 base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
1896 else
1897 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
1898 base_vha->vp_idx;
1899 if (IS_QLA2100(ha))
1900 host->sg_tablesize = 32;
1901 host->max_id = max_id;
1902 host->this_id = 255;
1903 host->cmd_per_lun = 3;
1904 host->unique_id = host->host_no;
1905 host->max_cmd_len = MAX_CMDSZ;
1906 host->max_channel = MAX_BUSES - 1;
1907 host->max_lun = MAX_LUNS;
1908 host->transportt = qla2xxx_transport_template;
1909
1910 /* Set up the irqs */
1911 ret = qla2x00_request_irqs(ha, rsp);
1912 if (ret)
1913 goto probe_init_failed;
1914 /* Alloc arrays of request and response ring ptrs */
1915 if (!qla2x00_alloc_queues(ha)) {
1916 qla_printk(KERN_WARNING, ha,
1917 "[ERROR] Failed to allocate memory for queue"
1918 " pointers\n");
1919 goto probe_init_failed;
1920 }
1921 ha->rsp_q_map[0] = rsp;
1922 ha->req_q_map[0] = req;
1923 rsp->req = req;
1924 req->rsp = rsp;
1925 set_bit(0, ha->req_qid_map);
1926 set_bit(0, ha->rsp_qid_map);
1927 /* FWI2-capable only. */
1928 req->req_q_in = &ha->iobase->isp24.req_q_in;
1929 req->req_q_out = &ha->iobase->isp24.req_q_out;
1930 rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
1931 rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
1932 if (ha->mqenable) {
1933 req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
1934 req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
1935 rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
1936 rsp->rsp_q_out = &ha->mqiobase->isp25mq.rsp_q_out;
1937 }
1938
1939 if (qla2x00_initialize_adapter(base_vha)) {
1940 qla_printk(KERN_WARNING, ha,
1941 "Failed to initialize adapter\n");
1942
1943 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1944 "Adapter flags %x.\n",
1945 base_vha->host_no, base_vha->device_flags));
1946
1947 ret = -ENODEV;
1948 goto probe_failed;
1949 }
1950
1951 if (ha->mqenable)
1952 if (qla25xx_setup_mode(base_vha))
1953 qla_printk(KERN_WARNING, ha,
1954 "Can't create queues, falling back to single"
1955 " queue mode\n");
1956
1957 /*
1958 * Startup the kernel thread for this host adapter
1959 */
1960 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
1961 "%s_dpc", base_vha->host_str);
1962 if (IS_ERR(ha->dpc_thread)) {
1963 qla_printk(KERN_WARNING, ha,
1964 "Unable to start DPC thread!\n");
1965 ret = PTR_ERR(ha->dpc_thread);
1966 goto probe_failed;
1967 }
1968
1969 list_add_tail(&base_vha->list, &ha->vp_list);
1970 base_vha->host->irq = ha->pdev->irq;
1971
1972 /* Initialized the timer */
1973 qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
1974
1975 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
1976 base_vha->host_no, ha));
1977
1978 base_vha->flags.init_done = 1;
1979 base_vha->flags.online = 1;
1980
1981 ret = scsi_add_host(host, &pdev->dev);
1982 if (ret)
1983 goto probe_failed;
1984
1985 ha->isp_ops->enable_intrs(ha);
1986
1987 scsi_scan_host(host);
1988
1989 qla2x00_alloc_sysfs_attr(base_vha);
1990
1991 qla2x00_init_host_attr(base_vha);
1992
1993 qla2x00_dfs_setup(base_vha);
1994
1995 qla_printk(KERN_INFO, ha, "\n"
1996 " QLogic Fibre Channel HBA Driver: %s\n"
1997 " QLogic %s - %s\n"
1998 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
1999 qla2x00_version_str, ha->model_number,
2000 ha->model_desc ? ha->model_desc : "", pdev->device,
2001 ha->isp_ops->pci_info_str(base_vha, pci_info), pci_name(pdev),
2002 ha->flags.enable_64bit_addressing ? '+' : '-', base_vha->host_no,
2003 ha->isp_ops->fw_version_str(base_vha, fw_str));
2004
2005 return 0;
2006
2007 probe_init_failed:
2008 qla2x00_free_req_que(ha, req);
2009 qla2x00_free_rsp_que(ha, rsp);
2010 ha->max_req_queues = ha->max_rsp_queues = 0;
2011
2012 probe_failed:
2013 if (base_vha->timer_active)
2014 qla2x00_stop_timer(base_vha);
2015 base_vha->flags.online = 0;
2016 if (ha->dpc_thread) {
2017 struct task_struct *t = ha->dpc_thread;
2018
2019 ha->dpc_thread = NULL;
2020 kthread_stop(t);
2021 }
2022
2023 qla2x00_free_device(base_vha);
2024
2025 scsi_host_put(base_vha->host);
2026
2027 probe_hw_failed:
2028 if (ha->iobase)
2029 iounmap(ha->iobase);
2030
2031 pci_release_selected_regions(ha->pdev, ha->bars);
2032 kfree(ha);
2033 ha = NULL;
2034
2035 probe_out:
2036 pci_disable_device(pdev);
2037 return ret;
2038 }
2039
2040 static void
2041 qla2x00_remove_one(struct pci_dev *pdev)
2042 {
2043 scsi_qla_host_t *base_vha, *vha, *temp;
2044 struct qla_hw_data *ha;
2045
2046 base_vha = pci_get_drvdata(pdev);
2047 ha = base_vha->hw;
2048
2049 list_for_each_entry_safe(vha, temp, &ha->vp_list, list) {
2050 if (vha && vha->fc_vport)
2051 fc_vport_terminate(vha->fc_vport);
2052 }
2053
2054 set_bit(UNLOADING, &base_vha->dpc_flags);
2055
2056 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
2057
2058 qla2x00_dfs_remove(base_vha);
2059
2060 qla84xx_put_chip(base_vha);
2061
2062 /* Disable timer */
2063 if (base_vha->timer_active)
2064 qla2x00_stop_timer(base_vha);
2065
2066 base_vha->flags.online = 0;
2067
2068 /* Flush the work queue and remove it */
2069 if (ha->wq) {
2070 flush_workqueue(ha->wq);
2071 destroy_workqueue(ha->wq);
2072 ha->wq = NULL;
2073 }
2074
2075 /* Kill the kernel thread for this host */
2076 if (ha->dpc_thread) {
2077 struct task_struct *t = ha->dpc_thread;
2078
2079 /*
2080 * qla2xxx_wake_dpc checks for ->dpc_thread
2081 * so we need to zero it out.
2082 */
2083 ha->dpc_thread = NULL;
2084 kthread_stop(t);
2085 }
2086
2087 qla2x00_free_sysfs_attr(base_vha);
2088
2089 fc_remove_host(base_vha->host);
2090
2091 scsi_remove_host(base_vha->host);
2092
2093 qla2x00_free_device(base_vha);
2094
2095 scsi_host_put(base_vha->host);
2096
2097 if (ha->iobase)
2098 iounmap(ha->iobase);
2099
2100 if (ha->mqiobase)
2101 iounmap(ha->mqiobase);
2102
2103 pci_release_selected_regions(ha->pdev, ha->bars);
2104 kfree(ha);
2105 ha = NULL;
2106
2107 pci_disable_device(pdev);
2108 pci_set_drvdata(pdev, NULL);
2109 }
2110
2111 static void
2112 qla2x00_free_device(scsi_qla_host_t *vha)
2113 {
2114 struct qla_hw_data *ha = vha->hw;
2115
2116 qla25xx_delete_queues(vha);
2117
2118 if (ha->flags.fce_enabled)
2119 qla2x00_disable_fce_trace(vha, NULL, NULL);
2120
2121 if (ha->eft)
2122 qla2x00_disable_eft_trace(vha);
2123
2124 /* Stop currently executing firmware. */
2125 qla2x00_try_to_stop_firmware(vha);
2126
2127 /* turn-off interrupts on the card */
2128 if (ha->interrupts_on)
2129 ha->isp_ops->disable_intrs(ha);
2130
2131 qla2x00_free_irqs(vha);
2132
2133 qla2x00_mem_free(ha);
2134
2135 qla2x00_free_queues(ha);
2136 }
2137
2138 static inline void
2139 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
2140 int defer)
2141 {
2142 struct fc_rport *rport;
2143
2144 if (!fcport->rport)
2145 return;
2146
2147 rport = fcport->rport;
2148 if (defer) {
2149 spin_lock_irq(vha->host->host_lock);
2150 fcport->drport = rport;
2151 spin_unlock_irq(vha->host->host_lock);
2152 set_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags);
2153 qla2xxx_wake_dpc(vha);
2154 } else
2155 fc_remote_port_delete(rport);
2156 }
2157
2158 /*
2159 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
2160 *
2161 * Input: ha = adapter block pointer. fcport = port structure pointer.
2162 *
2163 * Return: None.
2164 *
2165 * Context:
2166 */
2167 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
2168 int do_login, int defer)
2169 {
2170 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2171 vha->vp_idx == fcport->vp_idx) {
2172 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2173 qla2x00_schedule_rport_del(vha, fcport, defer);
2174 }
2175 /*
2176 * We may need to retry the login, so don't change the state of the
2177 * port but do the retries.
2178 */
2179 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
2180 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2181
2182 if (!do_login)
2183 return;
2184
2185 if (fcport->login_retry == 0) {
2186 fcport->login_retry = vha->hw->login_retry_count;
2187 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2188
2189 DEBUG(printk("scsi(%ld): Port login retry: "
2190 "%02x%02x%02x%02x%02x%02x%02x%02x, "
2191 "id = 0x%04x retry cnt=%d\n",
2192 vha->host_no,
2193 fcport->port_name[0],
2194 fcport->port_name[1],
2195 fcport->port_name[2],
2196 fcport->port_name[3],
2197 fcport->port_name[4],
2198 fcport->port_name[5],
2199 fcport->port_name[6],
2200 fcport->port_name[7],
2201 fcport->loop_id,
2202 fcport->login_retry));
2203 }
2204 }
2205
2206 /*
2207 * qla2x00_mark_all_devices_lost
2208 * Updates fcport state when device goes offline.
2209 *
2210 * Input:
2211 * ha = adapter block pointer.
2212 * fcport = port structure pointer.
2213 *
2214 * Return:
2215 * None.
2216 *
2217 * Context:
2218 */
2219 void
2220 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
2221 {
2222 fc_port_t *fcport;
2223
2224 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2225 if (vha->vp_idx != fcport->vp_idx)
2226 continue;
2227 /*
2228 * No point in marking the device as lost, if the device is
2229 * already DEAD.
2230 */
2231 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
2232 continue;
2233 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2234 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2235 qla2x00_schedule_rport_del(vha, fcport, defer);
2236 } else
2237 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2238 }
2239 }
2240
2241 /*
2242 * qla2x00_mem_alloc
2243 * Allocates adapter memory.
2244 *
2245 * Returns:
2246 * 0 = success.
2247 * !0 = failure.
2248 */
2249 static int
2250 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
2251 struct req_que **req, struct rsp_que **rsp)
2252 {
2253 char name[16];
2254
2255 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
2256 &ha->init_cb_dma, GFP_KERNEL);
2257 if (!ha->init_cb)
2258 goto fail;
2259
2260 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2261 &ha->gid_list_dma, GFP_KERNEL);
2262 if (!ha->gid_list)
2263 goto fail_free_init_cb;
2264
2265 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2266 if (!ha->srb_mempool)
2267 goto fail_free_gid_list;
2268
2269 /* Get memory for cached NVRAM */
2270 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2271 if (!ha->nvram)
2272 goto fail_free_srb_mempool;
2273
2274 snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
2275 ha->pdev->device);
2276 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2277 DMA_POOL_SIZE, 8, 0);
2278 if (!ha->s_dma_pool)
2279 goto fail_free_nvram;
2280
2281 /* Allocate memory for SNS commands */
2282 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2283 /* Get consistent memory allocated for SNS commands */
2284 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
2285 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
2286 if (!ha->sns_cmd)
2287 goto fail_dma_pool;
2288 } else {
2289 /* Get consistent memory allocated for MS IOCB */
2290 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2291 &ha->ms_iocb_dma);
2292 if (!ha->ms_iocb)
2293 goto fail_dma_pool;
2294 /* Get consistent memory allocated for CT SNS commands */
2295 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
2296 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
2297 if (!ha->ct_sns)
2298 goto fail_free_ms_iocb;
2299 }
2300
2301 /* Allocate memory for request ring */
2302 *req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
2303 if (!*req) {
2304 DEBUG(printk("Unable to allocate memory for req\n"));
2305 goto fail_req;
2306 }
2307 (*req)->length = req_len;
2308 (*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
2309 ((*req)->length + 1) * sizeof(request_t),
2310 &(*req)->dma, GFP_KERNEL);
2311 if (!(*req)->ring) {
2312 DEBUG(printk("Unable to allocate memory for req_ring\n"));
2313 goto fail_req_ring;
2314 }
2315 /* Allocate memory for response ring */
2316 *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
2317 if (!*rsp) {
2318 qla_printk(KERN_WARNING, ha,
2319 "Unable to allocate memory for rsp\n");
2320 goto fail_rsp;
2321 }
2322 (*rsp)->hw = ha;
2323 (*rsp)->length = rsp_len;
2324 (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
2325 ((*rsp)->length + 1) * sizeof(response_t),
2326 &(*rsp)->dma, GFP_KERNEL);
2327 if (!(*rsp)->ring) {
2328 qla_printk(KERN_WARNING, ha,
2329 "Unable to allocate memory for rsp_ring\n");
2330 goto fail_rsp_ring;
2331 }
2332 (*req)->rsp = *rsp;
2333 (*rsp)->req = *req;
2334 /* Allocate memory for NVRAM data for vports */
2335 if (ha->nvram_npiv_size) {
2336 ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
2337 ha->nvram_npiv_size, GFP_KERNEL);
2338 if (!ha->npiv_info) {
2339 qla_printk(KERN_WARNING, ha,
2340 "Unable to allocate memory for npiv info\n");
2341 goto fail_npiv_info;
2342 }
2343 } else
2344 ha->npiv_info = NULL;
2345
2346 /* Get consistent memory allocated for EX-INIT-CB. */
2347 if (IS_QLA81XX(ha)) {
2348 ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2349 &ha->ex_init_cb_dma);
2350 if (!ha->ex_init_cb)
2351 goto fail_ex_init_cb;
2352 }
2353
2354 INIT_LIST_HEAD(&ha->vp_list);
2355 return 1;
2356
2357 fail_ex_init_cb:
2358 kfree(ha->npiv_info);
2359 fail_npiv_info:
2360 dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
2361 sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
2362 (*rsp)->ring = NULL;
2363 (*rsp)->dma = 0;
2364 fail_rsp_ring:
2365 kfree(*rsp);
2366 fail_rsp:
2367 dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
2368 sizeof(request_t), (*req)->ring, (*req)->dma);
2369 (*req)->ring = NULL;
2370 (*req)->dma = 0;
2371 fail_req_ring:
2372 kfree(*req);
2373 fail_req:
2374 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2375 ha->ct_sns, ha->ct_sns_dma);
2376 ha->ct_sns = NULL;
2377 ha->ct_sns_dma = 0;
2378 fail_free_ms_iocb:
2379 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2380 ha->ms_iocb = NULL;
2381 ha->ms_iocb_dma = 0;
2382 fail_dma_pool:
2383 dma_pool_destroy(ha->s_dma_pool);
2384 ha->s_dma_pool = NULL;
2385 fail_free_nvram:
2386 kfree(ha->nvram);
2387 ha->nvram = NULL;
2388 fail_free_srb_mempool:
2389 mempool_destroy(ha->srb_mempool);
2390 ha->srb_mempool = NULL;
2391 fail_free_gid_list:
2392 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2393 ha->gid_list_dma);
2394 ha->gid_list = NULL;
2395 ha->gid_list_dma = 0;
2396 fail_free_init_cb:
2397 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
2398 ha->init_cb_dma);
2399 ha->init_cb = NULL;
2400 ha->init_cb_dma = 0;
2401 fail:
2402 DEBUG(printk("%s: Memory allocation failure\n", __func__));
2403 return -ENOMEM;
2404 }
2405
2406 /*
2407 * qla2x00_mem_free
2408 * Frees all adapter allocated memory.
2409 *
2410 * Input:
2411 * ha = adapter block pointer.
2412 */
2413 static void
2414 qla2x00_mem_free(struct qla_hw_data *ha)
2415 {
2416 if (ha->srb_mempool)
2417 mempool_destroy(ha->srb_mempool);
2418
2419 if (ha->fce)
2420 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
2421 ha->fce_dma);
2422
2423 if (ha->fw_dump) {
2424 if (ha->eft)
2425 dma_free_coherent(&ha->pdev->dev,
2426 ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
2427 vfree(ha->fw_dump);
2428 }
2429
2430 if (ha->sns_cmd)
2431 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2432 ha->sns_cmd, ha->sns_cmd_dma);
2433
2434 if (ha->ct_sns)
2435 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2436 ha->ct_sns, ha->ct_sns_dma);
2437
2438 if (ha->sfp_data)
2439 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2440
2441 if (ha->edc_data)
2442 dma_pool_free(ha->s_dma_pool, ha->edc_data, ha->edc_data_dma);
2443
2444 if (ha->ms_iocb)
2445 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2446
2447 if (ha->ex_init_cb)
2448 dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
2449
2450 if (ha->s_dma_pool)
2451 dma_pool_destroy(ha->s_dma_pool);
2452
2453 if (ha->gid_list)
2454 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2455 ha->gid_list_dma);
2456
2457 if (ha->init_cb)
2458 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2459 ha->init_cb, ha->init_cb_dma);
2460 vfree(ha->optrom_buffer);
2461 kfree(ha->nvram);
2462 kfree(ha->npiv_info);
2463
2464 ha->srb_mempool = NULL;
2465 ha->eft = NULL;
2466 ha->eft_dma = 0;
2467 ha->sns_cmd = NULL;
2468 ha->sns_cmd_dma = 0;
2469 ha->ct_sns = NULL;
2470 ha->ct_sns_dma = 0;
2471 ha->ms_iocb = NULL;
2472 ha->ms_iocb_dma = 0;
2473 ha->init_cb = NULL;
2474 ha->init_cb_dma = 0;
2475 ha->ex_init_cb = NULL;
2476 ha->ex_init_cb_dma = 0;
2477
2478 ha->s_dma_pool = NULL;
2479
2480 ha->gid_list = NULL;
2481 ha->gid_list_dma = 0;
2482
2483 ha->fw_dump = NULL;
2484 ha->fw_dumped = 0;
2485 ha->fw_dump_reading = 0;
2486 }
2487
2488 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
2489 struct qla_hw_data *ha)
2490 {
2491 struct Scsi_Host *host;
2492 struct scsi_qla_host *vha = NULL;
2493
2494 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
2495 if (host == NULL) {
2496 printk(KERN_WARNING
2497 "qla2xxx: Couldn't allocate host from scsi layer!\n");
2498 goto fail;
2499 }
2500
2501 /* Clear our data area */
2502 vha = shost_priv(host);
2503 memset(vha, 0, sizeof(scsi_qla_host_t));
2504
2505 vha->host = host;
2506 vha->host_no = host->host_no;
2507 vha->hw = ha;
2508
2509 INIT_LIST_HEAD(&vha->vp_fcports);
2510 INIT_LIST_HEAD(&vha->work_list);
2511 INIT_LIST_HEAD(&vha->list);
2512
2513 sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
2514 return vha;
2515
2516 fail:
2517 return vha;
2518 }
2519
2520 static struct qla_work_evt *
2521 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type,
2522 int locked)
2523 {
2524 struct qla_work_evt *e;
2525
2526 e = kzalloc(sizeof(struct qla_work_evt), locked ? GFP_ATOMIC:
2527 GFP_KERNEL);
2528 if (!e)
2529 return NULL;
2530
2531 INIT_LIST_HEAD(&e->list);
2532 e->type = type;
2533 e->flags = QLA_EVT_FLAG_FREE;
2534 return e;
2535 }
2536
2537 static int
2538 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e, int locked)
2539 {
2540 unsigned long uninitialized_var(flags);
2541 struct qla_hw_data *ha = vha->hw;
2542
2543 if (!locked)
2544 spin_lock_irqsave(&ha->hardware_lock, flags);
2545 list_add_tail(&e->list, &vha->work_list);
2546 qla2xxx_wake_dpc(vha);
2547 if (!locked)
2548 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2549 return QLA_SUCCESS;
2550 }
2551
2552 int
2553 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
2554 u32 data)
2555 {
2556 struct qla_work_evt *e;
2557
2558 e = qla2x00_alloc_work(vha, QLA_EVT_AEN, 1);
2559 if (!e)
2560 return QLA_FUNCTION_FAILED;
2561
2562 e->u.aen.code = code;
2563 e->u.aen.data = data;
2564 return qla2x00_post_work(vha, e, 1);
2565 }
2566
2567 int
2568 qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
2569 {
2570 struct qla_work_evt *e;
2571
2572 e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK, 1);
2573 if (!e)
2574 return QLA_FUNCTION_FAILED;
2575
2576 memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
2577 return qla2x00_post_work(vha, e, 1);
2578 }
2579
2580 static void
2581 qla2x00_do_work(struct scsi_qla_host *vha)
2582 {
2583 struct qla_work_evt *e;
2584 struct qla_hw_data *ha = vha->hw;
2585
2586 spin_lock_irq(&ha->hardware_lock);
2587 while (!list_empty(&vha->work_list)) {
2588 e = list_entry(vha->work_list.next, struct qla_work_evt, list);
2589 list_del_init(&e->list);
2590 spin_unlock_irq(&ha->hardware_lock);
2591
2592 switch (e->type) {
2593 case QLA_EVT_AEN:
2594 fc_host_post_event(vha->host, fc_get_event_number(),
2595 e->u.aen.code, e->u.aen.data);
2596 break;
2597 case QLA_EVT_IDC_ACK:
2598 qla81xx_idc_ack(vha, e->u.idc_ack.mb);
2599 break;
2600 }
2601 if (e->flags & QLA_EVT_FLAG_FREE)
2602 kfree(e);
2603 spin_lock_irq(&ha->hardware_lock);
2604 }
2605 spin_unlock_irq(&ha->hardware_lock);
2606 }
2607 /* Relogins all the fcports of a vport
2608 * Context: dpc thread
2609 */
2610 void qla2x00_relogin(struct scsi_qla_host *vha)
2611 {
2612 fc_port_t *fcport;
2613 int status;
2614 uint16_t next_loopid = 0;
2615 struct qla_hw_data *ha = vha->hw;
2616
2617 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2618 /*
2619 * If the port is not ONLINE then try to login
2620 * to it if we haven't run out of retries.
2621 */
2622 if (atomic_read(&fcport->state) !=
2623 FCS_ONLINE && fcport->login_retry) {
2624
2625 if (fcport->flags & FCF_FABRIC_DEVICE) {
2626 if (fcport->flags & FCF_TAPE_PRESENT)
2627 ha->isp_ops->fabric_logout(vha,
2628 fcport->loop_id,
2629 fcport->d_id.b.domain,
2630 fcport->d_id.b.area,
2631 fcport->d_id.b.al_pa);
2632
2633 status = qla2x00_fabric_login(vha, fcport,
2634 &next_loopid);
2635 } else
2636 status = qla2x00_local_device_login(vha,
2637 fcport);
2638
2639 fcport->login_retry--;
2640 if (status == QLA_SUCCESS) {
2641 fcport->old_loop_id = fcport->loop_id;
2642
2643 DEBUG(printk("scsi(%ld): port login OK: logged "
2644 "in ID 0x%x\n", vha->host_no, fcport->loop_id));
2645
2646 qla2x00_update_fcport(vha, fcport);
2647
2648 } else if (status == 1) {
2649 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2650 /* retry the login again */
2651 DEBUG(printk("scsi(%ld): Retrying"
2652 " %d login again loop_id 0x%x\n",
2653 vha->host_no, fcport->login_retry,
2654 fcport->loop_id));
2655 } else {
2656 fcport->login_retry = 0;
2657 }
2658
2659 if (fcport->login_retry == 0 && status != QLA_SUCCESS)
2660 fcport->loop_id = FC_NO_LOOP_ID;
2661 }
2662 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2663 break;
2664 }
2665 }
2666
2667 /**************************************************************************
2668 * qla2x00_do_dpc
2669 * This kernel thread is a task that is schedule by the interrupt handler
2670 * to perform the background processing for interrupts.
2671 *
2672 * Notes:
2673 * This task always run in the context of a kernel thread. It
2674 * is kick-off by the driver's detect code and starts up
2675 * up one per adapter. It immediately goes to sleep and waits for
2676 * some fibre event. When either the interrupt handler or
2677 * the timer routine detects a event it will one of the task
2678 * bits then wake us up.
2679 **************************************************************************/
2680 static int
2681 qla2x00_do_dpc(void *data)
2682 {
2683 int rval;
2684 scsi_qla_host_t *base_vha;
2685 struct qla_hw_data *ha;
2686
2687 ha = (struct qla_hw_data *)data;
2688 base_vha = pci_get_drvdata(ha->pdev);
2689
2690 set_user_nice(current, -20);
2691
2692 while (!kthread_should_stop()) {
2693 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2694
2695 set_current_state(TASK_INTERRUPTIBLE);
2696 schedule();
2697 __set_current_state(TASK_RUNNING);
2698
2699 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2700
2701 /* Initialization not yet finished. Don't do anything yet. */
2702 if (!base_vha->flags.init_done)
2703 continue;
2704
2705 DEBUG3(printk("scsi(%ld): DPC handler\n", base_vha->host_no));
2706
2707 ha->dpc_active = 1;
2708
2709 if (ha->flags.mbox_busy) {
2710 ha->dpc_active = 0;
2711 continue;
2712 }
2713
2714 qla2x00_do_work(base_vha);
2715
2716 if (test_and_clear_bit(ISP_ABORT_NEEDED,
2717 &base_vha->dpc_flags)) {
2718
2719 DEBUG(printk("scsi(%ld): dpc: sched "
2720 "qla2x00_abort_isp ha = %p\n",
2721 base_vha->host_no, ha));
2722 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
2723 &base_vha->dpc_flags))) {
2724
2725 if (qla2x00_abort_isp(base_vha)) {
2726 /* failed. retry later */
2727 set_bit(ISP_ABORT_NEEDED,
2728 &base_vha->dpc_flags);
2729 }
2730 clear_bit(ABORT_ISP_ACTIVE,
2731 &base_vha->dpc_flags);
2732 }
2733
2734 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
2735 base_vha->host_no));
2736 }
2737
2738 if (test_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags)) {
2739 qla2x00_update_fcports(base_vha);
2740 clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
2741 }
2742
2743 if (test_and_clear_bit(RESET_MARKER_NEEDED,
2744 &base_vha->dpc_flags) &&
2745 (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
2746
2747 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
2748 base_vha->host_no));
2749
2750 qla2x00_rst_aen(base_vha);
2751 clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
2752 }
2753
2754 /* Retry each device up to login retry count */
2755 if ((test_and_clear_bit(RELOGIN_NEEDED,
2756 &base_vha->dpc_flags)) &&
2757 !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
2758 atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
2759
2760 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
2761 base_vha->host_no));
2762 qla2x00_relogin(base_vha);
2763
2764 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
2765 base_vha->host_no));
2766 }
2767
2768 if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
2769 &base_vha->dpc_flags)) {
2770
2771 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
2772 base_vha->host_no));
2773
2774 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
2775 &base_vha->dpc_flags))) {
2776
2777 rval = qla2x00_loop_resync(base_vha);
2778
2779 clear_bit(LOOP_RESYNC_ACTIVE,
2780 &base_vha->dpc_flags);
2781 }
2782
2783 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
2784 base_vha->host_no));
2785 }
2786
2787 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
2788 atomic_read(&base_vha->loop_state) == LOOP_READY) {
2789 clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
2790 qla2xxx_flash_npiv_conf(base_vha);
2791 }
2792
2793 if (!ha->interrupts_on)
2794 ha->isp_ops->enable_intrs(ha);
2795
2796 if (test_and_clear_bit(BEACON_BLINK_NEEDED,
2797 &base_vha->dpc_flags))
2798 ha->isp_ops->beacon_blink(base_vha);
2799
2800 qla2x00_do_dpc_all_vps(base_vha);
2801
2802 ha->dpc_active = 0;
2803 } /* End of while(1) */
2804
2805 DEBUG(printk("scsi(%ld): DPC handler exiting\n", base_vha->host_no));
2806
2807 /*
2808 * Make sure that nobody tries to wake us up again.
2809 */
2810 ha->dpc_active = 0;
2811
2812 return 0;
2813 }
2814
2815 void
2816 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
2817 {
2818 struct qla_hw_data *ha = vha->hw;
2819 struct task_struct *t = ha->dpc_thread;
2820
2821 if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
2822 wake_up_process(t);
2823 }
2824
2825 /*
2826 * qla2x00_rst_aen
2827 * Processes asynchronous reset.
2828 *
2829 * Input:
2830 * ha = adapter block pointer.
2831 */
2832 static void
2833 qla2x00_rst_aen(scsi_qla_host_t *vha)
2834 {
2835 if (vha->flags.online && !vha->flags.reset_active &&
2836 !atomic_read(&vha->loop_down_timer) &&
2837 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
2838 do {
2839 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
2840
2841 /*
2842 * Issue marker command only when we are going to start
2843 * the I/O.
2844 */
2845 vha->marker_needed = 1;
2846 } while (!atomic_read(&vha->loop_down_timer) &&
2847 (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
2848 }
2849 }
2850
2851 static void
2852 qla2x00_sp_free_dma(srb_t *sp)
2853 {
2854 struct scsi_cmnd *cmd = sp->cmd;
2855
2856 if (sp->flags & SRB_DMA_VALID) {
2857 scsi_dma_unmap(cmd);
2858 sp->flags &= ~SRB_DMA_VALID;
2859 }
2860 CMD_SP(cmd) = NULL;
2861 }
2862
2863 void
2864 qla2x00_sp_compl(struct qla_hw_data *ha, srb_t *sp)
2865 {
2866 struct scsi_cmnd *cmd = sp->cmd;
2867
2868 qla2x00_sp_free_dma(sp);
2869
2870 mempool_free(sp, ha->srb_mempool);
2871
2872 cmd->scsi_done(cmd);
2873 }
2874
2875 /**************************************************************************
2876 * qla2x00_timer
2877 *
2878 * Description:
2879 * One second timer
2880 *
2881 * Context: Interrupt
2882 ***************************************************************************/
2883 void
2884 qla2x00_timer(scsi_qla_host_t *vha)
2885 {
2886 unsigned long cpu_flags = 0;
2887 fc_port_t *fcport;
2888 int start_dpc = 0;
2889 int index;
2890 srb_t *sp;
2891 int t;
2892 struct qla_hw_data *ha = vha->hw;
2893 struct req_que *req;
2894 /*
2895 * Ports - Port down timer.
2896 *
2897 * Whenever, a port is in the LOST state we start decrementing its port
2898 * down timer every second until it reaches zero. Once it reaches zero
2899 * the port it marked DEAD.
2900 */
2901 t = 0;
2902 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2903 if (fcport->port_type != FCT_TARGET)
2904 continue;
2905
2906 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2907
2908 if (atomic_read(&fcport->port_down_timer) == 0)
2909 continue;
2910
2911 if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
2912 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
2913
2914 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
2915 "%d remaining\n",
2916 vha->host_no,
2917 t, atomic_read(&fcport->port_down_timer)));
2918 }
2919 t++;
2920 } /* End of for fcport */
2921
2922
2923 /* Loop down handler. */
2924 if (atomic_read(&vha->loop_down_timer) > 0 &&
2925 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
2926 && vha->flags.online) {
2927
2928 if (atomic_read(&vha->loop_down_timer) ==
2929 vha->loop_down_abort_time) {
2930
2931 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2932 "queues before time expire\n",
2933 vha->host_no));
2934
2935 if (!IS_QLA2100(ha) && vha->link_down_timeout)
2936 atomic_set(&vha->loop_state, LOOP_DEAD);
2937
2938 /* Schedule an ISP abort to return any tape commands. */
2939 /* NPIV - scan physical port only */
2940 if (!vha->vp_idx) {
2941 spin_lock_irqsave(&ha->hardware_lock,
2942 cpu_flags);
2943 req = ha->req_q_map[0];
2944 for (index = 1;
2945 index < MAX_OUTSTANDING_COMMANDS;
2946 index++) {
2947 fc_port_t *sfcp;
2948
2949 sp = req->outstanding_cmds[index];
2950 if (!sp)
2951 continue;
2952 sfcp = sp->fcport;
2953 if (!(sfcp->flags & FCF_TAPE_PRESENT))
2954 continue;
2955
2956 set_bit(ISP_ABORT_NEEDED,
2957 &vha->dpc_flags);
2958 break;
2959 }
2960 spin_unlock_irqrestore(&ha->hardware_lock,
2961 cpu_flags);
2962 }
2963 start_dpc++;
2964 }
2965
2966 /* if the loop has been down for 4 minutes, reinit adapter */
2967 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
2968 if (!(vha->device_flags & DFLG_NO_CABLE) &&
2969 !vha->vp_idx) {
2970 DEBUG(printk("scsi(%ld): Loop down - "
2971 "aborting ISP.\n",
2972 vha->host_no));
2973 qla_printk(KERN_WARNING, ha,
2974 "Loop down - aborting ISP.\n");
2975
2976 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2977 }
2978 }
2979 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
2980 vha->host_no,
2981 atomic_read(&vha->loop_down_timer)));
2982 }
2983
2984 /* Check if beacon LED needs to be blinked */
2985 if (ha->beacon_blink_led == 1) {
2986 set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
2987 start_dpc++;
2988 }
2989
2990 /* Process any deferred work. */
2991 if (!list_empty(&vha->work_list))
2992 start_dpc++;
2993
2994 /* Schedule the DPC routine if needed */
2995 if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
2996 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
2997 test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
2998 start_dpc ||
2999 test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
3000 test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
3001 test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
3002 test_bit(RELOGIN_NEEDED, &vha->dpc_flags)))
3003 qla2xxx_wake_dpc(vha);
3004
3005 qla2x00_restart_timer(vha, WATCH_INTERVAL);
3006 }
3007
3008 /* Firmware interface routines. */
3009
3010 #define FW_BLOBS 7
3011 #define FW_ISP21XX 0
3012 #define FW_ISP22XX 1
3013 #define FW_ISP2300 2
3014 #define FW_ISP2322 3
3015 #define FW_ISP24XX 4
3016 #define FW_ISP25XX 5
3017 #define FW_ISP81XX 6
3018
3019 #define FW_FILE_ISP21XX "ql2100_fw.bin"
3020 #define FW_FILE_ISP22XX "ql2200_fw.bin"
3021 #define FW_FILE_ISP2300 "ql2300_fw.bin"
3022 #define FW_FILE_ISP2322 "ql2322_fw.bin"
3023 #define FW_FILE_ISP24XX "ql2400_fw.bin"
3024 #define FW_FILE_ISP25XX "ql2500_fw.bin"
3025 #define FW_FILE_ISP81XX "ql8100_fw.bin"
3026
3027 static DEFINE_MUTEX(qla_fw_lock);
3028
3029 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
3030 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
3031 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
3032 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
3033 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
3034 { .name = FW_FILE_ISP24XX, },
3035 { .name = FW_FILE_ISP25XX, },
3036 { .name = FW_FILE_ISP81XX, },
3037 };
3038
3039 struct fw_blob *
3040 qla2x00_request_firmware(scsi_qla_host_t *vha)
3041 {
3042 struct qla_hw_data *ha = vha->hw;
3043 struct fw_blob *blob;
3044
3045 blob = NULL;
3046 if (IS_QLA2100(ha)) {
3047 blob = &qla_fw_blobs[FW_ISP21XX];
3048 } else if (IS_QLA2200(ha)) {
3049 blob = &qla_fw_blobs[FW_ISP22XX];
3050 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
3051 blob = &qla_fw_blobs[FW_ISP2300];
3052 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
3053 blob = &qla_fw_blobs[FW_ISP2322];
3054 } else if (IS_QLA24XX_TYPE(ha)) {
3055 blob = &qla_fw_blobs[FW_ISP24XX];
3056 } else if (IS_QLA25XX(ha)) {
3057 blob = &qla_fw_blobs[FW_ISP25XX];
3058 } else if (IS_QLA81XX(ha)) {
3059 blob = &qla_fw_blobs[FW_ISP81XX];
3060 }
3061
3062 mutex_lock(&qla_fw_lock);
3063 if (blob->fw)
3064 goto out;
3065
3066 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
3067 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
3068 "(%s).\n", vha->host_no, blob->name));
3069 blob->fw = NULL;
3070 blob = NULL;
3071 goto out;
3072 }
3073
3074 out:
3075 mutex_unlock(&qla_fw_lock);
3076 return blob;
3077 }
3078
3079 static void
3080 qla2x00_release_firmware(void)
3081 {
3082 int idx;
3083
3084 mutex_lock(&qla_fw_lock);
3085 for (idx = 0; idx < FW_BLOBS; idx++)
3086 if (qla_fw_blobs[idx].fw)
3087 release_firmware(qla_fw_blobs[idx].fw);
3088 mutex_unlock(&qla_fw_lock);
3089 }
3090
3091 static pci_ers_result_t
3092 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
3093 {
3094 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3095
3096 switch (state) {
3097 case pci_channel_io_normal:
3098 return PCI_ERS_RESULT_CAN_RECOVER;
3099 case pci_channel_io_frozen:
3100 pci_disable_device(pdev);
3101 return PCI_ERS_RESULT_NEED_RESET;
3102 case pci_channel_io_perm_failure:
3103 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
3104 return PCI_ERS_RESULT_DISCONNECT;
3105 }
3106 return PCI_ERS_RESULT_NEED_RESET;
3107 }
3108
3109 static pci_ers_result_t
3110 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
3111 {
3112 int risc_paused = 0;
3113 uint32_t stat;
3114 unsigned long flags;
3115 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3116 struct qla_hw_data *ha = base_vha->hw;
3117 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3118 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
3119
3120 spin_lock_irqsave(&ha->hardware_lock, flags);
3121 if (IS_QLA2100(ha) || IS_QLA2200(ha)){
3122 stat = RD_REG_DWORD(&reg->hccr);
3123 if (stat & HCCR_RISC_PAUSE)
3124 risc_paused = 1;
3125 } else if (IS_QLA23XX(ha)) {
3126 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
3127 if (stat & HSR_RISC_PAUSED)
3128 risc_paused = 1;
3129 } else if (IS_FWI2_CAPABLE(ha)) {
3130 stat = RD_REG_DWORD(&reg24->host_status);
3131 if (stat & HSRX_RISC_PAUSED)
3132 risc_paused = 1;
3133 }
3134 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3135
3136 if (risc_paused) {
3137 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
3138 "Dumping firmware!\n");
3139 ha->isp_ops->fw_dump(base_vha, 0);
3140
3141 return PCI_ERS_RESULT_NEED_RESET;
3142 } else
3143 return PCI_ERS_RESULT_RECOVERED;
3144 }
3145
3146 static pci_ers_result_t
3147 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
3148 {
3149 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
3150 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3151 struct qla_hw_data *ha = base_vha->hw;
3152 int rc;
3153
3154 if (ha->mem_only)
3155 rc = pci_enable_device_mem(pdev);
3156 else
3157 rc = pci_enable_device(pdev);
3158
3159 if (rc) {
3160 qla_printk(KERN_WARNING, ha,
3161 "Can't re-enable PCI device after reset.\n");
3162
3163 return ret;
3164 }
3165 pci_set_master(pdev);
3166
3167 if (ha->isp_ops->pci_config(base_vha))
3168 return ret;
3169
3170 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3171 if (qla2x00_abort_isp(base_vha) == QLA_SUCCESS)
3172 ret = PCI_ERS_RESULT_RECOVERED;
3173 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3174
3175 return ret;
3176 }
3177
3178 static void
3179 qla2xxx_pci_resume(struct pci_dev *pdev)
3180 {
3181 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3182 struct qla_hw_data *ha = base_vha->hw;
3183 int ret;
3184
3185 ret = qla2x00_wait_for_hba_online(base_vha);
3186 if (ret != QLA_SUCCESS) {
3187 qla_printk(KERN_ERR, ha,
3188 "the device failed to resume I/O "
3189 "from slot/link_reset");
3190 }
3191 pci_cleanup_aer_uncorrect_error_status(pdev);
3192 }
3193
3194 static struct pci_error_handlers qla2xxx_err_handler = {
3195 .error_detected = qla2xxx_pci_error_detected,
3196 .mmio_enabled = qla2xxx_pci_mmio_enabled,
3197 .slot_reset = qla2xxx_pci_slot_reset,
3198 .resume = qla2xxx_pci_resume,
3199 };
3200
3201 static struct pci_device_id qla2xxx_pci_tbl[] = {
3202 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
3203 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
3204 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
3205 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
3206 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
3207 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
3208 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
3209 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
3210 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
3211 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
3212 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
3213 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
3214 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
3215 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
3216 { 0 },
3217 };
3218 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
3219
3220 static struct pci_driver qla2xxx_pci_driver = {
3221 .name = QLA2XXX_DRIVER_NAME,
3222 .driver = {
3223 .owner = THIS_MODULE,
3224 },
3225 .id_table = qla2xxx_pci_tbl,
3226 .probe = qla2x00_probe_one,
3227 .remove = qla2x00_remove_one,
3228 .err_handler = &qla2xxx_err_handler,
3229 };
3230
3231 /**
3232 * qla2x00_module_init - Module initialization.
3233 **/
3234 static int __init
3235 qla2x00_module_init(void)
3236 {
3237 int ret = 0;
3238
3239 /* Allocate cache for SRBs. */
3240 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
3241 SLAB_HWCACHE_ALIGN, NULL);
3242 if (srb_cachep == NULL) {
3243 printk(KERN_ERR
3244 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
3245 return -ENOMEM;
3246 }
3247
3248 /* Derive version string. */
3249 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
3250 if (ql2xextended_error_logging)
3251 strcat(qla2x00_version_str, "-debug");
3252
3253 qla2xxx_transport_template =
3254 fc_attach_transport(&qla2xxx_transport_functions);
3255 if (!qla2xxx_transport_template) {
3256 kmem_cache_destroy(srb_cachep);
3257 return -ENODEV;
3258 }
3259 qla2xxx_transport_vport_template =
3260 fc_attach_transport(&qla2xxx_transport_vport_functions);
3261 if (!qla2xxx_transport_vport_template) {
3262 kmem_cache_destroy(srb_cachep);
3263 fc_release_transport(qla2xxx_transport_template);
3264 return -ENODEV;
3265 }
3266
3267 printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n",
3268 qla2x00_version_str);
3269 ret = pci_register_driver(&qla2xxx_pci_driver);
3270 if (ret) {
3271 kmem_cache_destroy(srb_cachep);
3272 fc_release_transport(qla2xxx_transport_template);
3273 fc_release_transport(qla2xxx_transport_vport_template);
3274 }
3275 return ret;
3276 }
3277
3278 /**
3279 * qla2x00_module_exit - Module cleanup.
3280 **/
3281 static void __exit
3282 qla2x00_module_exit(void)
3283 {
3284 pci_unregister_driver(&qla2xxx_pci_driver);
3285 qla2x00_release_firmware();
3286 kmem_cache_destroy(srb_cachep);
3287 fc_release_transport(qla2xxx_transport_template);
3288 fc_release_transport(qla2xxx_transport_vport_template);
3289 }
3290
3291 module_init(qla2x00_module_init);
3292 module_exit(qla2x00_module_exit);
3293
3294 MODULE_AUTHOR("QLogic Corporation");
3295 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
3296 MODULE_LICENSE("GPL");
3297 MODULE_VERSION(QLA2XXX_VERSION);
3298 MODULE_FIRMWARE(FW_FILE_ISP21XX);
3299 MODULE_FIRMWARE(FW_FILE_ISP22XX);
3300 MODULE_FIRMWARE(FW_FILE_ISP2300);
3301 MODULE_FIRMWARE(FW_FILE_ISP2322);
3302 MODULE_FIRMWARE(FW_FILE_ISP24XX);
3303 MODULE_FIRMWARE(FW_FILE_ISP25XX);
3304 MODULE_FIRMWARE(FW_FILE_ISP81XX);
Linux kernel - Deliverables
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