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Merge git://git.kernel.org/pub/scm/linux/kernel/git/hirofumi/fatfs-2.6
[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 (!(ha->fw_attributes & BIT_6)) {
291 qla_printk(KERN_INFO, ha,
292 "Firmware is not multi-queue capable\n");
293 goto fail;
294 }
295 if (ql2xmultique_tag) {
296 /* create a request queue for IO */
297 options |= BIT_7;
298 req = qla25xx_create_req_que(ha, options, 0, 0, -1,
299 QLA_DEFAULT_QUE_QOS);
300 if (!req) {
301 qla_printk(KERN_WARNING, ha,
302 "Can't create request queue\n");
303 goto fail;
304 }
305 ha->wq = create_workqueue("qla2xxx_wq");
306 vha->req = ha->req_q_map[req];
307 options |= BIT_1;
308 for (ques = 1; ques < ha->max_rsp_queues; ques++) {
309 ret = qla25xx_create_rsp_que(ha, options, 0, 0, req);
310 if (!ret) {
311 qla_printk(KERN_WARNING, ha,
312 "Response Queue create failed\n");
313 goto fail2;
314 }
315 }
316 ha->flags.cpu_affinity_enabled = 1;
317
318 DEBUG2(qla_printk(KERN_INFO, ha,
319 "CPU affinity mode enabled, no. of response"
320 " queues:%d, no. of request queues:%d\n",
321 ha->max_rsp_queues, ha->max_req_queues));
322 }
323 return 0;
324 fail2:
325 qla25xx_delete_queues(vha);
326 destroy_workqueue(ha->wq);
327 ha->wq = NULL;
328 fail:
329 ha->mqenable = 0;
330 kfree(ha->req_q_map);
331 kfree(ha->rsp_q_map);
332 ha->max_req_queues = ha->max_rsp_queues = 1;
333 return 1;
334 }
335
336 static char *
337 qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
338 {
339 struct qla_hw_data *ha = vha->hw;
340 static char *pci_bus_modes[] = {
341 "33", "66", "100", "133",
342 };
343 uint16_t pci_bus;
344
345 strcpy(str, "PCI");
346 pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
347 if (pci_bus) {
348 strcat(str, "-X (");
349 strcat(str, pci_bus_modes[pci_bus]);
350 } else {
351 pci_bus = (ha->pci_attr & BIT_8) >> 8;
352 strcat(str, " (");
353 strcat(str, pci_bus_modes[pci_bus]);
354 }
355 strcat(str, " MHz)");
356
357 return (str);
358 }
359
360 static char *
361 qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
362 {
363 static char *pci_bus_modes[] = { "33", "66", "100", "133", };
364 struct qla_hw_data *ha = vha->hw;
365 uint32_t pci_bus;
366 int pcie_reg;
367
368 pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
369 if (pcie_reg) {
370 char lwstr[6];
371 uint16_t pcie_lstat, lspeed, lwidth;
372
373 pcie_reg += 0x12;
374 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
375 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
376 lwidth = (pcie_lstat &
377 (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
378
379 strcpy(str, "PCIe (");
380 if (lspeed == 1)
381 strcat(str, "2.5GT/s ");
382 else if (lspeed == 2)
383 strcat(str, "5.0GT/s ");
384 else
385 strcat(str, "<unknown> ");
386 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
387 strcat(str, lwstr);
388
389 return str;
390 }
391
392 strcpy(str, "PCI");
393 pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
394 if (pci_bus == 0 || pci_bus == 8) {
395 strcat(str, " (");
396 strcat(str, pci_bus_modes[pci_bus >> 3]);
397 } else {
398 strcat(str, "-X ");
399 if (pci_bus & BIT_2)
400 strcat(str, "Mode 2");
401 else
402 strcat(str, "Mode 1");
403 strcat(str, " (");
404 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
405 }
406 strcat(str, " MHz)");
407
408 return str;
409 }
410
411 static char *
412 qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str)
413 {
414 char un_str[10];
415 struct qla_hw_data *ha = vha->hw;
416
417 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
418 ha->fw_minor_version,
419 ha->fw_subminor_version);
420
421 if (ha->fw_attributes & BIT_9) {
422 strcat(str, "FLX");
423 return (str);
424 }
425
426 switch (ha->fw_attributes & 0xFF) {
427 case 0x7:
428 strcat(str, "EF");
429 break;
430 case 0x17:
431 strcat(str, "TP");
432 break;
433 case 0x37:
434 strcat(str, "IP");
435 break;
436 case 0x77:
437 strcat(str, "VI");
438 break;
439 default:
440 sprintf(un_str, "(%x)", ha->fw_attributes);
441 strcat(str, un_str);
442 break;
443 }
444 if (ha->fw_attributes & 0x100)
445 strcat(str, "X");
446
447 return (str);
448 }
449
450 static char *
451 qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str)
452 {
453 struct qla_hw_data *ha = vha->hw;
454
455 sprintf(str, "%d.%02d.%02d (%x)", ha->fw_major_version,
456 ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
457 return str;
458 }
459
460 static inline srb_t *
461 qla2x00_get_new_sp(scsi_qla_host_t *vha, fc_port_t *fcport,
462 struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
463 {
464 srb_t *sp;
465 struct qla_hw_data *ha = vha->hw;
466
467 sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
468 if (!sp)
469 return sp;
470
471 sp->fcport = fcport;
472 sp->cmd = cmd;
473 sp->flags = 0;
474 CMD_SP(cmd) = (void *)sp;
475 cmd->scsi_done = done;
476 sp->ctx = NULL;
477
478 return sp;
479 }
480
481 static int
482 qla2xxx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
483 {
484 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
485 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
486 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
487 struct qla_hw_data *ha = vha->hw;
488 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
489 srb_t *sp;
490 int rval;
491
492 if (unlikely(pci_channel_offline(ha->pdev))) {
493 if (ha->pdev->error_state == pci_channel_io_frozen)
494 cmd->result = DID_REQUEUE << 16;
495 else
496 cmd->result = DID_NO_CONNECT << 16;
497 goto qc24_fail_command;
498 }
499
500 rval = fc_remote_port_chkready(rport);
501 if (rval) {
502 cmd->result = rval;
503 goto qc24_fail_command;
504 }
505
506 /* Close window on fcport/rport state-transitioning. */
507 if (fcport->drport)
508 goto qc24_target_busy;
509
510 if (atomic_read(&fcport->state) != FCS_ONLINE) {
511 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
512 atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
513 cmd->result = DID_NO_CONNECT << 16;
514 goto qc24_fail_command;
515 }
516 goto qc24_target_busy;
517 }
518
519 spin_unlock_irq(vha->host->host_lock);
520
521 sp = qla2x00_get_new_sp(base_vha, fcport, cmd, done);
522 if (!sp)
523 goto qc24_host_busy_lock;
524
525 rval = ha->isp_ops->start_scsi(sp);
526 if (rval != QLA_SUCCESS)
527 goto qc24_host_busy_free_sp;
528
529 spin_lock_irq(vha->host->host_lock);
530
531 return 0;
532
533 qc24_host_busy_free_sp:
534 qla2x00_sp_free_dma(sp);
535 mempool_free(sp, ha->srb_mempool);
536
537 qc24_host_busy_lock:
538 spin_lock_irq(vha->host->host_lock);
539 return SCSI_MLQUEUE_HOST_BUSY;
540
541 qc24_target_busy:
542 return SCSI_MLQUEUE_TARGET_BUSY;
543
544 qc24_fail_command:
545 done(cmd);
546
547 return 0;
548 }
549
550
551 /*
552 * qla2x00_eh_wait_on_command
553 * Waits for the command to be returned by the Firmware for some
554 * max time.
555 *
556 * Input:
557 * cmd = Scsi Command to wait on.
558 *
559 * Return:
560 * Not Found : 0
561 * Found : 1
562 */
563 static int
564 qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
565 {
566 #define ABORT_POLLING_PERIOD 1000
567 #define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
568 unsigned long wait_iter = ABORT_WAIT_ITER;
569 int ret = QLA_SUCCESS;
570
571 while (CMD_SP(cmd) && wait_iter--) {
572 msleep(ABORT_POLLING_PERIOD);
573 }
574 if (CMD_SP(cmd))
575 ret = QLA_FUNCTION_FAILED;
576
577 return ret;
578 }
579
580 /*
581 * qla2x00_wait_for_hba_online
582 * Wait till the HBA is online after going through
583 * <= MAX_RETRIES_OF_ISP_ABORT or
584 * finally HBA is disabled ie marked offline
585 *
586 * Input:
587 * ha - pointer to host adapter structure
588 *
589 * Note:
590 * Does context switching-Release SPIN_LOCK
591 * (if any) before calling this routine.
592 *
593 * Return:
594 * Success (Adapter is online) : 0
595 * Failed (Adapter is offline/disabled) : 1
596 */
597 int
598 qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
599 {
600 int return_status;
601 unsigned long wait_online;
602 struct qla_hw_data *ha = vha->hw;
603 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
604
605 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
606 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
607 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
608 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
609 ha->dpc_active) && time_before(jiffies, wait_online)) {
610
611 msleep(1000);
612 }
613 if (base_vha->flags.online)
614 return_status = QLA_SUCCESS;
615 else
616 return_status = QLA_FUNCTION_FAILED;
617
618 return (return_status);
619 }
620
621 int
622 qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
623 {
624 int return_status;
625 unsigned long wait_reset;
626 struct qla_hw_data *ha = vha->hw;
627 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
628
629 wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
630 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
631 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
632 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
633 ha->dpc_active) && time_before(jiffies, wait_reset)) {
634
635 msleep(1000);
636
637 if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
638 ha->flags.chip_reset_done)
639 break;
640 }
641 if (ha->flags.chip_reset_done)
642 return_status = QLA_SUCCESS;
643 else
644 return_status = QLA_FUNCTION_FAILED;
645
646 return return_status;
647 }
648
649 /*
650 * qla2x00_wait_for_loop_ready
651 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
652 * to be in LOOP_READY state.
653 * Input:
654 * ha - pointer to host adapter structure
655 *
656 * Note:
657 * Does context switching-Release SPIN_LOCK
658 * (if any) before calling this routine.
659 *
660 *
661 * Return:
662 * Success (LOOP_READY) : 0
663 * Failed (LOOP_NOT_READY) : 1
664 */
665 static inline int
666 qla2x00_wait_for_loop_ready(scsi_qla_host_t *vha)
667 {
668 int return_status = QLA_SUCCESS;
669 unsigned long loop_timeout ;
670 struct qla_hw_data *ha = vha->hw;
671 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
672
673 /* wait for 5 min at the max for loop to be ready */
674 loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
675
676 while ((!atomic_read(&base_vha->loop_down_timer) &&
677 atomic_read(&base_vha->loop_state) == LOOP_DOWN) ||
678 atomic_read(&base_vha->loop_state) != LOOP_READY) {
679 if (atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
680 return_status = QLA_FUNCTION_FAILED;
681 break;
682 }
683 msleep(1000);
684 if (time_after_eq(jiffies, loop_timeout)) {
685 return_status = QLA_FUNCTION_FAILED;
686 break;
687 }
688 }
689 return (return_status);
690 }
691
692 void
693 qla2x00_abort_fcport_cmds(fc_port_t *fcport)
694 {
695 int cnt;
696 unsigned long flags;
697 srb_t *sp;
698 scsi_qla_host_t *vha = fcport->vha;
699 struct qla_hw_data *ha = vha->hw;
700 struct req_que *req;
701
702 spin_lock_irqsave(&ha->hardware_lock, flags);
703 req = vha->req;
704 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
705 sp = req->outstanding_cmds[cnt];
706 if (!sp)
707 continue;
708 if (sp->fcport != fcport)
709 continue;
710 if (sp->ctx)
711 continue;
712
713 spin_unlock_irqrestore(&ha->hardware_lock, flags);
714 if (ha->isp_ops->abort_command(sp)) {
715 DEBUG2(qla_printk(KERN_WARNING, ha,
716 "Abort failed -- %lx\n",
717 sp->cmd->serial_number));
718 } else {
719 if (qla2x00_eh_wait_on_command(sp->cmd) !=
720 QLA_SUCCESS)
721 DEBUG2(qla_printk(KERN_WARNING, ha,
722 "Abort failed while waiting -- %lx\n",
723 sp->cmd->serial_number));
724 }
725 spin_lock_irqsave(&ha->hardware_lock, flags);
726 }
727 spin_unlock_irqrestore(&ha->hardware_lock, flags);
728 }
729
730 static void
731 qla2x00_block_error_handler(struct scsi_cmnd *cmnd)
732 {
733 struct Scsi_Host *shost = cmnd->device->host;
734 struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device));
735 unsigned long flags;
736
737 spin_lock_irqsave(shost->host_lock, flags);
738 while (rport->port_state == FC_PORTSTATE_BLOCKED) {
739 spin_unlock_irqrestore(shost->host_lock, flags);
740 msleep(1000);
741 spin_lock_irqsave(shost->host_lock, flags);
742 }
743 spin_unlock_irqrestore(shost->host_lock, flags);
744 return;
745 }
746
747 /**************************************************************************
748 * qla2xxx_eh_abort
749 *
750 * Description:
751 * The abort function will abort the specified command.
752 *
753 * Input:
754 * cmd = Linux SCSI command packet to be aborted.
755 *
756 * Returns:
757 * Either SUCCESS or FAILED.
758 *
759 * Note:
760 * Only return FAILED if command not returned by firmware.
761 **************************************************************************/
762 static int
763 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
764 {
765 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
766 srb_t *sp;
767 int ret, i;
768 unsigned int id, lun;
769 unsigned long serial;
770 unsigned long flags;
771 int wait = 0;
772 struct qla_hw_data *ha = vha->hw;
773 struct req_que *req = vha->req;
774 srb_t *spt;
775
776 qla2x00_block_error_handler(cmd);
777
778 if (!CMD_SP(cmd))
779 return SUCCESS;
780
781 ret = SUCCESS;
782
783 id = cmd->device->id;
784 lun = cmd->device->lun;
785 serial = cmd->serial_number;
786 spt = (srb_t *) CMD_SP(cmd);
787 if (!spt)
788 return SUCCESS;
789
790 /* Check active list for command command. */
791 spin_lock_irqsave(&ha->hardware_lock, flags);
792 for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
793 sp = req->outstanding_cmds[i];
794
795 if (sp == NULL)
796 continue;
797 if (sp->ctx)
798 continue;
799 if (sp->cmd != cmd)
800 continue;
801
802 DEBUG2(printk("%s(%ld): aborting sp %p from RISC."
803 " pid=%ld.\n", __func__, vha->host_no, sp, serial));
804
805 spin_unlock_irqrestore(&ha->hardware_lock, flags);
806 if (ha->isp_ops->abort_command(sp)) {
807 DEBUG2(printk("%s(%ld): abort_command "
808 "mbx failed.\n", __func__, vha->host_no));
809 ret = FAILED;
810 } else {
811 DEBUG3(printk("%s(%ld): abort_command "
812 "mbx success.\n", __func__, vha->host_no));
813 wait = 1;
814 }
815 spin_lock_irqsave(&ha->hardware_lock, flags);
816 break;
817 }
818 spin_unlock_irqrestore(&ha->hardware_lock, flags);
819
820 /* Wait for the command to be returned. */
821 if (wait) {
822 if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
823 qla_printk(KERN_ERR, ha,
824 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
825 "%x.\n", vha->host_no, id, lun, serial, ret);
826 ret = FAILED;
827 }
828 }
829
830 qla_printk(KERN_INFO, ha,
831 "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
832 vha->host_no, id, lun, wait, serial, ret);
833
834 return ret;
835 }
836
837 enum nexus_wait_type {
838 WAIT_HOST = 0,
839 WAIT_TARGET,
840 WAIT_LUN,
841 };
842
843 static int
844 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
845 unsigned int l, srb_t *sp, enum nexus_wait_type type)
846 {
847 int cnt, match, status;
848 unsigned long flags;
849 struct qla_hw_data *ha = vha->hw;
850 struct req_que *req;
851
852 status = QLA_SUCCESS;
853 if (!sp)
854 return status;
855
856 spin_lock_irqsave(&ha->hardware_lock, flags);
857 req = vha->req;
858 for (cnt = 1; status == QLA_SUCCESS &&
859 cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
860 sp = req->outstanding_cmds[cnt];
861 if (!sp)
862 continue;
863 if (sp->ctx)
864 continue;
865 if (vha->vp_idx != sp->fcport->vha->vp_idx)
866 continue;
867 match = 0;
868 switch (type) {
869 case WAIT_HOST:
870 match = 1;
871 break;
872 case WAIT_TARGET:
873 match = sp->cmd->device->id == t;
874 break;
875 case WAIT_LUN:
876 match = (sp->cmd->device->id == t &&
877 sp->cmd->device->lun == l);
878 break;
879 }
880 if (!match)
881 continue;
882
883 spin_unlock_irqrestore(&ha->hardware_lock, flags);
884 status = qla2x00_eh_wait_on_command(sp->cmd);
885 spin_lock_irqsave(&ha->hardware_lock, flags);
886 }
887 spin_unlock_irqrestore(&ha->hardware_lock, flags);
888
889 return status;
890 }
891
892 static char *reset_errors[] = {
893 "HBA not online",
894 "HBA not ready",
895 "Task management failed",
896 "Waiting for command completions",
897 };
898
899 static int
900 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
901 struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int, int))
902 {
903 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
904 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
905 int err;
906
907 qla2x00_block_error_handler(cmd);
908
909 if (!fcport)
910 return FAILED;
911
912 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET ISSUED.\n",
913 vha->host_no, cmd->device->id, cmd->device->lun, name);
914
915 err = 0;
916 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
917 goto eh_reset_failed;
918 err = 1;
919 if (qla2x00_wait_for_loop_ready(vha) != QLA_SUCCESS)
920 goto eh_reset_failed;
921 err = 2;
922 if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
923 != QLA_SUCCESS)
924 goto eh_reset_failed;
925 err = 3;
926 if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
927 cmd->device->lun, (srb_t *) CMD_SP(cmd), type) != QLA_SUCCESS)
928 goto eh_reset_failed;
929
930 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n",
931 vha->host_no, cmd->device->id, cmd->device->lun, name);
932
933 return SUCCESS;
934
935 eh_reset_failed:
936 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n"
937 , vha->host_no, cmd->device->id, cmd->device->lun, name,
938 reset_errors[err]);
939 return FAILED;
940 }
941
942 static int
943 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
944 {
945 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
946 struct qla_hw_data *ha = vha->hw;
947
948 return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
949 ha->isp_ops->lun_reset);
950 }
951
952 static int
953 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
954 {
955 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
956 struct qla_hw_data *ha = vha->hw;
957
958 return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
959 ha->isp_ops->target_reset);
960 }
961
962 /**************************************************************************
963 * qla2xxx_eh_bus_reset
964 *
965 * Description:
966 * The bus reset function will reset the bus and abort any executing
967 * commands.
968 *
969 * Input:
970 * cmd = Linux SCSI command packet of the command that cause the
971 * bus reset.
972 *
973 * Returns:
974 * SUCCESS/FAILURE (defined as macro in scsi.h).
975 *
976 **************************************************************************/
977 static int
978 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
979 {
980 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
981 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
982 int ret = FAILED;
983 unsigned int id, lun;
984 unsigned long serial;
985 srb_t *sp = (srb_t *) CMD_SP(cmd);
986
987 qla2x00_block_error_handler(cmd);
988
989 id = cmd->device->id;
990 lun = cmd->device->lun;
991 serial = cmd->serial_number;
992
993 if (!fcport)
994 return ret;
995
996 qla_printk(KERN_INFO, vha->hw,
997 "scsi(%ld:%d:%d): BUS RESET ISSUED.\n", vha->host_no, id, lun);
998
999 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1000 DEBUG2(printk("%s failed:board disabled\n",__func__));
1001 goto eh_bus_reset_done;
1002 }
1003
1004 if (qla2x00_wait_for_loop_ready(vha) == QLA_SUCCESS) {
1005 if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
1006 ret = SUCCESS;
1007 }
1008 if (ret == FAILED)
1009 goto eh_bus_reset_done;
1010
1011 /* Flush outstanding commands. */
1012 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) !=
1013 QLA_SUCCESS)
1014 ret = FAILED;
1015
1016 eh_bus_reset_done:
1017 qla_printk(KERN_INFO, vha->hw, "%s: reset %s\n", __func__,
1018 (ret == FAILED) ? "failed" : "succeded");
1019
1020 return ret;
1021 }
1022
1023 /**************************************************************************
1024 * qla2xxx_eh_host_reset
1025 *
1026 * Description:
1027 * The reset function will reset the Adapter.
1028 *
1029 * Input:
1030 * cmd = Linux SCSI command packet of the command that cause the
1031 * adapter reset.
1032 *
1033 * Returns:
1034 * Either SUCCESS or FAILED.
1035 *
1036 * Note:
1037 **************************************************************************/
1038 static int
1039 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1040 {
1041 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1042 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1043 struct qla_hw_data *ha = vha->hw;
1044 int ret = FAILED;
1045 unsigned int id, lun;
1046 unsigned long serial;
1047 srb_t *sp = (srb_t *) CMD_SP(cmd);
1048 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1049
1050 qla2x00_block_error_handler(cmd);
1051
1052 id = cmd->device->id;
1053 lun = cmd->device->lun;
1054 serial = cmd->serial_number;
1055
1056 if (!fcport)
1057 return ret;
1058
1059 qla_printk(KERN_INFO, ha,
1060 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", vha->host_no, id, lun);
1061
1062 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
1063 goto eh_host_reset_lock;
1064
1065 /*
1066 * Fixme-may be dpc thread is active and processing
1067 * loop_resync,so wait a while for it to
1068 * be completed and then issue big hammer.Otherwise
1069 * it may cause I/O failure as big hammer marks the
1070 * devices as lost kicking of the port_down_timer
1071 * while dpc is stuck for the mailbox to complete.
1072 */
1073 qla2x00_wait_for_loop_ready(vha);
1074 if (vha != base_vha) {
1075 if (qla2x00_vp_abort_isp(vha))
1076 goto eh_host_reset_lock;
1077 } else {
1078 if (ha->wq)
1079 flush_workqueue(ha->wq);
1080
1081 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1082 if (qla2x00_abort_isp(base_vha)) {
1083 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1084 /* failed. schedule dpc to try */
1085 set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1086
1087 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
1088 goto eh_host_reset_lock;
1089 }
1090 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1091 }
1092
1093 /* Waiting for command to be returned to OS.*/
1094 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) ==
1095 QLA_SUCCESS)
1096 ret = SUCCESS;
1097
1098 eh_host_reset_lock:
1099 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1100 (ret == FAILED) ? "failed" : "succeded");
1101
1102 return ret;
1103 }
1104
1105 /*
1106 * qla2x00_loop_reset
1107 * Issue loop reset.
1108 *
1109 * Input:
1110 * ha = adapter block pointer.
1111 *
1112 * Returns:
1113 * 0 = success
1114 */
1115 int
1116 qla2x00_loop_reset(scsi_qla_host_t *vha)
1117 {
1118 int ret;
1119 struct fc_port *fcport;
1120 struct qla_hw_data *ha = vha->hw;
1121
1122 if (ha->flags.enable_lip_full_login && !IS_QLA81XX(ha)) {
1123 ret = qla2x00_full_login_lip(vha);
1124 if (ret != QLA_SUCCESS) {
1125 DEBUG2_3(printk("%s(%ld): failed: "
1126 "full_login_lip=%d.\n", __func__, vha->host_no,
1127 ret));
1128 }
1129 atomic_set(&vha->loop_state, LOOP_DOWN);
1130 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1131 qla2x00_mark_all_devices_lost(vha, 0);
1132 qla2x00_wait_for_loop_ready(vha);
1133 }
1134
1135 if (ha->flags.enable_lip_reset) {
1136 ret = qla2x00_lip_reset(vha);
1137 if (ret != QLA_SUCCESS) {
1138 DEBUG2_3(printk("%s(%ld): failed: "
1139 "lip_reset=%d.\n", __func__, vha->host_no, ret));
1140 } else
1141 qla2x00_wait_for_loop_ready(vha);
1142 }
1143
1144 if (ha->flags.enable_target_reset) {
1145 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1146 if (fcport->port_type != FCT_TARGET)
1147 continue;
1148
1149 ret = ha->isp_ops->target_reset(fcport, 0, 0);
1150 if (ret != QLA_SUCCESS) {
1151 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1152 "target_reset=%d d_id=%x.\n", __func__,
1153 vha->host_no, ret, fcport->d_id.b24));
1154 }
1155 }
1156 }
1157 /* Issue marker command only when we are going to start the I/O */
1158 vha->marker_needed = 1;
1159
1160 return QLA_SUCCESS;
1161 }
1162
1163 void
1164 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1165 {
1166 int que, cnt;
1167 unsigned long flags;
1168 srb_t *sp;
1169 struct srb_ctx *ctx;
1170 struct qla_hw_data *ha = vha->hw;
1171 struct req_que *req;
1172
1173 spin_lock_irqsave(&ha->hardware_lock, flags);
1174 for (que = 0; que < ha->max_req_queues; que++) {
1175 req = ha->req_q_map[que];
1176 if (!req)
1177 continue;
1178 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1179 sp = req->outstanding_cmds[cnt];
1180 if (sp) {
1181 req->outstanding_cmds[cnt] = NULL;
1182 if (!sp->ctx) {
1183 sp->cmd->result = res;
1184 qla2x00_sp_compl(ha, sp);
1185 } else {
1186 ctx = sp->ctx;
1187 del_timer_sync(&ctx->timer);
1188 ctx->free(sp);
1189 }
1190 }
1191 }
1192 }
1193 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1194 }
1195
1196 static int
1197 qla2xxx_slave_alloc(struct scsi_device *sdev)
1198 {
1199 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1200
1201 if (!rport || fc_remote_port_chkready(rport))
1202 return -ENXIO;
1203
1204 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1205
1206 return 0;
1207 }
1208
1209 static int
1210 qla2xxx_slave_configure(struct scsi_device *sdev)
1211 {
1212 scsi_qla_host_t *vha = shost_priv(sdev->host);
1213 struct qla_hw_data *ha = vha->hw;
1214 struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1215 fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
1216 struct req_que *req = vha->req;
1217
1218 if (sdev->tagged_supported)
1219 scsi_activate_tcq(sdev, req->max_q_depth);
1220 else
1221 scsi_deactivate_tcq(sdev, req->max_q_depth);
1222
1223 rport->dev_loss_tmo = ha->port_down_retry_count;
1224 if (sdev->type == TYPE_TAPE)
1225 fcport->flags |= FCF_TAPE_PRESENT;
1226
1227 return 0;
1228 }
1229
1230 static void
1231 qla2xxx_slave_destroy(struct scsi_device *sdev)
1232 {
1233 sdev->hostdata = NULL;
1234 }
1235
1236 static int
1237 qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
1238 {
1239 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1240 return sdev->queue_depth;
1241 }
1242
1243 static int
1244 qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1245 {
1246 if (sdev->tagged_supported) {
1247 scsi_set_tag_type(sdev, tag_type);
1248 if (tag_type)
1249 scsi_activate_tcq(sdev, sdev->queue_depth);
1250 else
1251 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1252 } else
1253 tag_type = 0;
1254
1255 return tag_type;
1256 }
1257
1258 /**
1259 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1260 * @ha: HA context
1261 *
1262 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1263 * supported addressing method.
1264 */
1265 static void
1266 qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1267 {
1268 /* Assume a 32bit DMA mask. */
1269 ha->flags.enable_64bit_addressing = 0;
1270
1271 if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1272 /* Any upper-dword bits set? */
1273 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1274 !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
1275 /* Ok, a 64bit DMA mask is applicable. */
1276 ha->flags.enable_64bit_addressing = 1;
1277 ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1278 ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1279 return;
1280 }
1281 }
1282
1283 dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1284 pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1285 }
1286
1287 static void
1288 qla2x00_enable_intrs(struct qla_hw_data *ha)
1289 {
1290 unsigned long flags = 0;
1291 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1292
1293 spin_lock_irqsave(&ha->hardware_lock, flags);
1294 ha->interrupts_on = 1;
1295 /* enable risc and host interrupts */
1296 WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1297 RD_REG_WORD(&reg->ictrl);
1298 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1299
1300 }
1301
1302 static void
1303 qla2x00_disable_intrs(struct qla_hw_data *ha)
1304 {
1305 unsigned long flags = 0;
1306 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1307
1308 spin_lock_irqsave(&ha->hardware_lock, flags);
1309 ha->interrupts_on = 0;
1310 /* disable risc and host interrupts */
1311 WRT_REG_WORD(&reg->ictrl, 0);
1312 RD_REG_WORD(&reg->ictrl);
1313 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1314 }
1315
1316 static void
1317 qla24xx_enable_intrs(struct qla_hw_data *ha)
1318 {
1319 unsigned long flags = 0;
1320 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1321
1322 spin_lock_irqsave(&ha->hardware_lock, flags);
1323 ha->interrupts_on = 1;
1324 WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1325 RD_REG_DWORD(&reg->ictrl);
1326 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1327 }
1328
1329 static void
1330 qla24xx_disable_intrs(struct qla_hw_data *ha)
1331 {
1332 unsigned long flags = 0;
1333 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1334
1335 if (IS_NOPOLLING_TYPE(ha))
1336 return;
1337 spin_lock_irqsave(&ha->hardware_lock, flags);
1338 ha->interrupts_on = 0;
1339 WRT_REG_DWORD(&reg->ictrl, 0);
1340 RD_REG_DWORD(&reg->ictrl);
1341 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1342 }
1343
1344 static struct isp_operations qla2100_isp_ops = {
1345 .pci_config = qla2100_pci_config,
1346 .reset_chip = qla2x00_reset_chip,
1347 .chip_diag = qla2x00_chip_diag,
1348 .config_rings = qla2x00_config_rings,
1349 .reset_adapter = qla2x00_reset_adapter,
1350 .nvram_config = qla2x00_nvram_config,
1351 .update_fw_options = qla2x00_update_fw_options,
1352 .load_risc = qla2x00_load_risc,
1353 .pci_info_str = qla2x00_pci_info_str,
1354 .fw_version_str = qla2x00_fw_version_str,
1355 .intr_handler = qla2100_intr_handler,
1356 .enable_intrs = qla2x00_enable_intrs,
1357 .disable_intrs = qla2x00_disable_intrs,
1358 .abort_command = qla2x00_abort_command,
1359 .target_reset = qla2x00_abort_target,
1360 .lun_reset = qla2x00_lun_reset,
1361 .fabric_login = qla2x00_login_fabric,
1362 .fabric_logout = qla2x00_fabric_logout,
1363 .calc_req_entries = qla2x00_calc_iocbs_32,
1364 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1365 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1366 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1367 .read_nvram = qla2x00_read_nvram_data,
1368 .write_nvram = qla2x00_write_nvram_data,
1369 .fw_dump = qla2100_fw_dump,
1370 .beacon_on = NULL,
1371 .beacon_off = NULL,
1372 .beacon_blink = NULL,
1373 .read_optrom = qla2x00_read_optrom_data,
1374 .write_optrom = qla2x00_write_optrom_data,
1375 .get_flash_version = qla2x00_get_flash_version,
1376 .start_scsi = qla2x00_start_scsi,
1377 };
1378
1379 static struct isp_operations qla2300_isp_ops = {
1380 .pci_config = qla2300_pci_config,
1381 .reset_chip = qla2x00_reset_chip,
1382 .chip_diag = qla2x00_chip_diag,
1383 .config_rings = qla2x00_config_rings,
1384 .reset_adapter = qla2x00_reset_adapter,
1385 .nvram_config = qla2x00_nvram_config,
1386 .update_fw_options = qla2x00_update_fw_options,
1387 .load_risc = qla2x00_load_risc,
1388 .pci_info_str = qla2x00_pci_info_str,
1389 .fw_version_str = qla2x00_fw_version_str,
1390 .intr_handler = qla2300_intr_handler,
1391 .enable_intrs = qla2x00_enable_intrs,
1392 .disable_intrs = qla2x00_disable_intrs,
1393 .abort_command = qla2x00_abort_command,
1394 .target_reset = qla2x00_abort_target,
1395 .lun_reset = qla2x00_lun_reset,
1396 .fabric_login = qla2x00_login_fabric,
1397 .fabric_logout = qla2x00_fabric_logout,
1398 .calc_req_entries = qla2x00_calc_iocbs_32,
1399 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1400 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1401 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1402 .read_nvram = qla2x00_read_nvram_data,
1403 .write_nvram = qla2x00_write_nvram_data,
1404 .fw_dump = qla2300_fw_dump,
1405 .beacon_on = qla2x00_beacon_on,
1406 .beacon_off = qla2x00_beacon_off,
1407 .beacon_blink = qla2x00_beacon_blink,
1408 .read_optrom = qla2x00_read_optrom_data,
1409 .write_optrom = qla2x00_write_optrom_data,
1410 .get_flash_version = qla2x00_get_flash_version,
1411 .start_scsi = qla2x00_start_scsi,
1412 };
1413
1414 static struct isp_operations qla24xx_isp_ops = {
1415 .pci_config = qla24xx_pci_config,
1416 .reset_chip = qla24xx_reset_chip,
1417 .chip_diag = qla24xx_chip_diag,
1418 .config_rings = qla24xx_config_rings,
1419 .reset_adapter = qla24xx_reset_adapter,
1420 .nvram_config = qla24xx_nvram_config,
1421 .update_fw_options = qla24xx_update_fw_options,
1422 .load_risc = qla24xx_load_risc,
1423 .pci_info_str = qla24xx_pci_info_str,
1424 .fw_version_str = qla24xx_fw_version_str,
1425 .intr_handler = qla24xx_intr_handler,
1426 .enable_intrs = qla24xx_enable_intrs,
1427 .disable_intrs = qla24xx_disable_intrs,
1428 .abort_command = qla24xx_abort_command,
1429 .target_reset = qla24xx_abort_target,
1430 .lun_reset = qla24xx_lun_reset,
1431 .fabric_login = qla24xx_login_fabric,
1432 .fabric_logout = qla24xx_fabric_logout,
1433 .calc_req_entries = NULL,
1434 .build_iocbs = NULL,
1435 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1436 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1437 .read_nvram = qla24xx_read_nvram_data,
1438 .write_nvram = qla24xx_write_nvram_data,
1439 .fw_dump = qla24xx_fw_dump,
1440 .beacon_on = qla24xx_beacon_on,
1441 .beacon_off = qla24xx_beacon_off,
1442 .beacon_blink = qla24xx_beacon_blink,
1443 .read_optrom = qla24xx_read_optrom_data,
1444 .write_optrom = qla24xx_write_optrom_data,
1445 .get_flash_version = qla24xx_get_flash_version,
1446 .start_scsi = qla24xx_start_scsi,
1447 };
1448
1449 static struct isp_operations qla25xx_isp_ops = {
1450 .pci_config = qla25xx_pci_config,
1451 .reset_chip = qla24xx_reset_chip,
1452 .chip_diag = qla24xx_chip_diag,
1453 .config_rings = qla24xx_config_rings,
1454 .reset_adapter = qla24xx_reset_adapter,
1455 .nvram_config = qla24xx_nvram_config,
1456 .update_fw_options = qla24xx_update_fw_options,
1457 .load_risc = qla24xx_load_risc,
1458 .pci_info_str = qla24xx_pci_info_str,
1459 .fw_version_str = qla24xx_fw_version_str,
1460 .intr_handler = qla24xx_intr_handler,
1461 .enable_intrs = qla24xx_enable_intrs,
1462 .disable_intrs = qla24xx_disable_intrs,
1463 .abort_command = qla24xx_abort_command,
1464 .target_reset = qla24xx_abort_target,
1465 .lun_reset = qla24xx_lun_reset,
1466 .fabric_login = qla24xx_login_fabric,
1467 .fabric_logout = qla24xx_fabric_logout,
1468 .calc_req_entries = NULL,
1469 .build_iocbs = NULL,
1470 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1471 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1472 .read_nvram = qla25xx_read_nvram_data,
1473 .write_nvram = qla25xx_write_nvram_data,
1474 .fw_dump = qla25xx_fw_dump,
1475 .beacon_on = qla24xx_beacon_on,
1476 .beacon_off = qla24xx_beacon_off,
1477 .beacon_blink = qla24xx_beacon_blink,
1478 .read_optrom = qla25xx_read_optrom_data,
1479 .write_optrom = qla24xx_write_optrom_data,
1480 .get_flash_version = qla24xx_get_flash_version,
1481 .start_scsi = qla24xx_start_scsi,
1482 };
1483
1484 static struct isp_operations qla81xx_isp_ops = {
1485 .pci_config = qla25xx_pci_config,
1486 .reset_chip = qla24xx_reset_chip,
1487 .chip_diag = qla24xx_chip_diag,
1488 .config_rings = qla24xx_config_rings,
1489 .reset_adapter = qla24xx_reset_adapter,
1490 .nvram_config = qla81xx_nvram_config,
1491 .update_fw_options = qla81xx_update_fw_options,
1492 .load_risc = qla81xx_load_risc,
1493 .pci_info_str = qla24xx_pci_info_str,
1494 .fw_version_str = qla24xx_fw_version_str,
1495 .intr_handler = qla24xx_intr_handler,
1496 .enable_intrs = qla24xx_enable_intrs,
1497 .disable_intrs = qla24xx_disable_intrs,
1498 .abort_command = qla24xx_abort_command,
1499 .target_reset = qla24xx_abort_target,
1500 .lun_reset = qla24xx_lun_reset,
1501 .fabric_login = qla24xx_login_fabric,
1502 .fabric_logout = qla24xx_fabric_logout,
1503 .calc_req_entries = NULL,
1504 .build_iocbs = NULL,
1505 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1506 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1507 .read_nvram = NULL,
1508 .write_nvram = NULL,
1509 .fw_dump = qla81xx_fw_dump,
1510 .beacon_on = qla24xx_beacon_on,
1511 .beacon_off = qla24xx_beacon_off,
1512 .beacon_blink = qla24xx_beacon_blink,
1513 .read_optrom = qla25xx_read_optrom_data,
1514 .write_optrom = qla24xx_write_optrom_data,
1515 .get_flash_version = qla24xx_get_flash_version,
1516 .start_scsi = qla24xx_start_scsi,
1517 };
1518
1519 static inline void
1520 qla2x00_set_isp_flags(struct qla_hw_data *ha)
1521 {
1522 ha->device_type = DT_EXTENDED_IDS;
1523 switch (ha->pdev->device) {
1524 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1525 ha->device_type |= DT_ISP2100;
1526 ha->device_type &= ~DT_EXTENDED_IDS;
1527 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1528 break;
1529 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1530 ha->device_type |= DT_ISP2200;
1531 ha->device_type &= ~DT_EXTENDED_IDS;
1532 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1533 break;
1534 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1535 ha->device_type |= DT_ISP2300;
1536 ha->device_type |= DT_ZIO_SUPPORTED;
1537 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1538 break;
1539 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1540 ha->device_type |= DT_ISP2312;
1541 ha->device_type |= DT_ZIO_SUPPORTED;
1542 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1543 break;
1544 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1545 ha->device_type |= DT_ISP2322;
1546 ha->device_type |= DT_ZIO_SUPPORTED;
1547 if (ha->pdev->subsystem_vendor == 0x1028 &&
1548 ha->pdev->subsystem_device == 0x0170)
1549 ha->device_type |= DT_OEM_001;
1550 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1551 break;
1552 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1553 ha->device_type |= DT_ISP6312;
1554 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1555 break;
1556 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1557 ha->device_type |= DT_ISP6322;
1558 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1559 break;
1560 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1561 ha->device_type |= DT_ISP2422;
1562 ha->device_type |= DT_ZIO_SUPPORTED;
1563 ha->device_type |= DT_FWI2;
1564 ha->device_type |= DT_IIDMA;
1565 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1566 break;
1567 case PCI_DEVICE_ID_QLOGIC_ISP2432:
1568 ha->device_type |= DT_ISP2432;
1569 ha->device_type |= DT_ZIO_SUPPORTED;
1570 ha->device_type |= DT_FWI2;
1571 ha->device_type |= DT_IIDMA;
1572 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1573 break;
1574 case PCI_DEVICE_ID_QLOGIC_ISP8432:
1575 ha->device_type |= DT_ISP8432;
1576 ha->device_type |= DT_ZIO_SUPPORTED;
1577 ha->device_type |= DT_FWI2;
1578 ha->device_type |= DT_IIDMA;
1579 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1580 break;
1581 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1582 ha->device_type |= DT_ISP5422;
1583 ha->device_type |= DT_FWI2;
1584 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1585 break;
1586 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1587 ha->device_type |= DT_ISP5432;
1588 ha->device_type |= DT_FWI2;
1589 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1590 break;
1591 case PCI_DEVICE_ID_QLOGIC_ISP2532:
1592 ha->device_type |= DT_ISP2532;
1593 ha->device_type |= DT_ZIO_SUPPORTED;
1594 ha->device_type |= DT_FWI2;
1595 ha->device_type |= DT_IIDMA;
1596 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1597 break;
1598 case PCI_DEVICE_ID_QLOGIC_ISP8001:
1599 ha->device_type |= DT_ISP8001;
1600 ha->device_type |= DT_ZIO_SUPPORTED;
1601 ha->device_type |= DT_FWI2;
1602 ha->device_type |= DT_IIDMA;
1603 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1604 break;
1605 }
1606
1607 /* Get adapter physical port no from interrupt pin register. */
1608 pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
1609 if (ha->port_no & 1)
1610 ha->flags.port0 = 1;
1611 else
1612 ha->flags.port0 = 0;
1613 }
1614
1615 static int
1616 qla2x00_iospace_config(struct qla_hw_data *ha)
1617 {
1618 resource_size_t pio;
1619 uint16_t msix;
1620 int cpus;
1621
1622 if (pci_request_selected_regions(ha->pdev, ha->bars,
1623 QLA2XXX_DRIVER_NAME)) {
1624 qla_printk(KERN_WARNING, ha,
1625 "Failed to reserve PIO/MMIO regions (%s)\n",
1626 pci_name(ha->pdev));
1627
1628 goto iospace_error_exit;
1629 }
1630 if (!(ha->bars & 1))
1631 goto skip_pio;
1632
1633 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1634 pio = pci_resource_start(ha->pdev, 0);
1635 if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1636 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1637 qla_printk(KERN_WARNING, ha,
1638 "Invalid PCI I/O region size (%s)...\n",
1639 pci_name(ha->pdev));
1640 pio = 0;
1641 }
1642 } else {
1643 qla_printk(KERN_WARNING, ha,
1644 "region #0 not a PIO resource (%s)...\n",
1645 pci_name(ha->pdev));
1646 pio = 0;
1647 }
1648 ha->pio_address = pio;
1649
1650 skip_pio:
1651 /* Use MMIO operations for all accesses. */
1652 if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1653 qla_printk(KERN_ERR, ha,
1654 "region #1 not an MMIO resource (%s), aborting\n",
1655 pci_name(ha->pdev));
1656 goto iospace_error_exit;
1657 }
1658 if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1659 qla_printk(KERN_ERR, ha,
1660 "Invalid PCI mem region size (%s), aborting\n",
1661 pci_name(ha->pdev));
1662 goto iospace_error_exit;
1663 }
1664
1665 ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1666 if (!ha->iobase) {
1667 qla_printk(KERN_ERR, ha,
1668 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1669
1670 goto iospace_error_exit;
1671 }
1672
1673 /* Determine queue resources */
1674 ha->max_req_queues = ha->max_rsp_queues = 1;
1675 if ((ql2xmaxqueues <= 1 || ql2xmultique_tag < 1) &&
1676 (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
1677 goto mqiobase_exit;
1678 ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1679 pci_resource_len(ha->pdev, 3));
1680 if (ha->mqiobase) {
1681 /* Read MSIX vector size of the board */
1682 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1683 ha->msix_count = msix;
1684 /* Max queues are bounded by available msix vectors */
1685 /* queue 0 uses two msix vectors */
1686 if (ql2xmultique_tag) {
1687 cpus = num_online_cpus();
1688 ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ?
1689 (cpus + 1) : (ha->msix_count - 1);
1690 ha->max_req_queues = 2;
1691 } else if (ql2xmaxqueues > 1) {
1692 ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ?
1693 QLA_MQ_SIZE : ql2xmaxqueues;
1694 DEBUG2(qla_printk(KERN_INFO, ha, "QoS mode set, max no"
1695 " of request queues:%d\n", ha->max_req_queues));
1696 }
1697 qla_printk(KERN_INFO, ha,
1698 "MSI-X vector count: %d\n", msix);
1699 } else
1700 qla_printk(KERN_INFO, ha, "BAR 3 not enabled\n");
1701
1702 mqiobase_exit:
1703 ha->msix_count = ha->max_rsp_queues + 1;
1704 return (0);
1705
1706 iospace_error_exit:
1707 return (-ENOMEM);
1708 }
1709
1710 static void
1711 qla2xxx_scan_start(struct Scsi_Host *shost)
1712 {
1713 scsi_qla_host_t *vha = shost_priv(shost);
1714
1715 if (vha->hw->flags.running_gold_fw)
1716 return;
1717
1718 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1719 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1720 set_bit(RSCN_UPDATE, &vha->dpc_flags);
1721 set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
1722 }
1723
1724 static int
1725 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1726 {
1727 scsi_qla_host_t *vha = shost_priv(shost);
1728
1729 if (!vha->host)
1730 return 1;
1731 if (time > vha->hw->loop_reset_delay * HZ)
1732 return 1;
1733
1734 return atomic_read(&vha->loop_state) == LOOP_READY;
1735 }
1736
1737 /*
1738 * PCI driver interface
1739 */
1740 static int __devinit
1741 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1742 {
1743 int ret = -ENODEV;
1744 struct Scsi_Host *host;
1745 scsi_qla_host_t *base_vha = NULL;
1746 struct qla_hw_data *ha;
1747 char pci_info[30];
1748 char fw_str[30];
1749 struct scsi_host_template *sht;
1750 int bars, max_id, mem_only = 0;
1751 uint16_t req_length = 0, rsp_length = 0;
1752 struct req_que *req = NULL;
1753 struct rsp_que *rsp = NULL;
1754
1755 bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
1756 sht = &qla2xxx_driver_template;
1757 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
1758 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
1759 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
1760 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
1761 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
1762 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
1763 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001) {
1764 bars = pci_select_bars(pdev, IORESOURCE_MEM);
1765 mem_only = 1;
1766 }
1767
1768 if (mem_only) {
1769 if (pci_enable_device_mem(pdev))
1770 goto probe_out;
1771 } else {
1772 if (pci_enable_device(pdev))
1773 goto probe_out;
1774 }
1775
1776 /* This may fail but that's ok */
1777 pci_enable_pcie_error_reporting(pdev);
1778
1779 ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
1780 if (!ha) {
1781 DEBUG(printk("Unable to allocate memory for ha\n"));
1782 goto probe_out;
1783 }
1784 ha->pdev = pdev;
1785
1786 /* Clear our data area */
1787 ha->bars = bars;
1788 ha->mem_only = mem_only;
1789 spin_lock_init(&ha->hardware_lock);
1790
1791 /* Set ISP-type information. */
1792 qla2x00_set_isp_flags(ha);
1793 /* Configure PCI I/O space */
1794 ret = qla2x00_iospace_config(ha);
1795 if (ret)
1796 goto probe_hw_failed;
1797
1798 qla_printk(KERN_INFO, ha,
1799 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1800 ha->iobase);
1801
1802 ha->prev_topology = 0;
1803 ha->init_cb_size = sizeof(init_cb_t);
1804 ha->link_data_rate = PORT_SPEED_UNKNOWN;
1805 ha->optrom_size = OPTROM_SIZE_2300;
1806
1807 /* Assign ISP specific operations. */
1808 max_id = MAX_TARGETS_2200;
1809 if (IS_QLA2100(ha)) {
1810 max_id = MAX_TARGETS_2100;
1811 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
1812 req_length = REQUEST_ENTRY_CNT_2100;
1813 rsp_length = RESPONSE_ENTRY_CNT_2100;
1814 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
1815 ha->gid_list_info_size = 4;
1816 ha->flash_conf_off = ~0;
1817 ha->flash_data_off = ~0;
1818 ha->nvram_conf_off = ~0;
1819 ha->nvram_data_off = ~0;
1820 ha->isp_ops = &qla2100_isp_ops;
1821 } else if (IS_QLA2200(ha)) {
1822 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1823 req_length = REQUEST_ENTRY_CNT_2200;
1824 rsp_length = RESPONSE_ENTRY_CNT_2100;
1825 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
1826 ha->gid_list_info_size = 4;
1827 ha->flash_conf_off = ~0;
1828 ha->flash_data_off = ~0;
1829 ha->nvram_conf_off = ~0;
1830 ha->nvram_data_off = ~0;
1831 ha->isp_ops = &qla2100_isp_ops;
1832 } else if (IS_QLA23XX(ha)) {
1833 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1834 req_length = REQUEST_ENTRY_CNT_2200;
1835 rsp_length = RESPONSE_ENTRY_CNT_2300;
1836 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1837 ha->gid_list_info_size = 6;
1838 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1839 ha->optrom_size = OPTROM_SIZE_2322;
1840 ha->flash_conf_off = ~0;
1841 ha->flash_data_off = ~0;
1842 ha->nvram_conf_off = ~0;
1843 ha->nvram_data_off = ~0;
1844 ha->isp_ops = &qla2300_isp_ops;
1845 } else if (IS_QLA24XX_TYPE(ha)) {
1846 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1847 req_length = REQUEST_ENTRY_CNT_24XX;
1848 rsp_length = RESPONSE_ENTRY_CNT_2300;
1849 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1850 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1851 ha->gid_list_info_size = 8;
1852 ha->optrom_size = OPTROM_SIZE_24XX;
1853 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
1854 ha->isp_ops = &qla24xx_isp_ops;
1855 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
1856 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
1857 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
1858 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
1859 } else if (IS_QLA25XX(ha)) {
1860 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1861 req_length = REQUEST_ENTRY_CNT_24XX;
1862 rsp_length = RESPONSE_ENTRY_CNT_2300;
1863 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1864 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1865 ha->gid_list_info_size = 8;
1866 ha->optrom_size = OPTROM_SIZE_25XX;
1867 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
1868 ha->isp_ops = &qla25xx_isp_ops;
1869 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
1870 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
1871 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
1872 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
1873 } else if (IS_QLA81XX(ha)) {
1874 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1875 req_length = REQUEST_ENTRY_CNT_24XX;
1876 rsp_length = RESPONSE_ENTRY_CNT_2300;
1877 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1878 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
1879 ha->gid_list_info_size = 8;
1880 ha->optrom_size = OPTROM_SIZE_81XX;
1881 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
1882 ha->isp_ops = &qla81xx_isp_ops;
1883 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
1884 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
1885 ha->nvram_conf_off = ~0;
1886 ha->nvram_data_off = ~0;
1887 }
1888
1889 mutex_init(&ha->vport_lock);
1890 init_completion(&ha->mbx_cmd_comp);
1891 complete(&ha->mbx_cmd_comp);
1892 init_completion(&ha->mbx_intr_comp);
1893
1894 set_bit(0, (unsigned long *) ha->vp_idx_map);
1895
1896 qla2x00_config_dma_addressing(ha);
1897 ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
1898 if (!ret) {
1899 qla_printk(KERN_WARNING, ha,
1900 "[ERROR] Failed to allocate memory for adapter\n");
1901
1902 goto probe_hw_failed;
1903 }
1904
1905 req->max_q_depth = MAX_Q_DEPTH;
1906 if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
1907 req->max_q_depth = ql2xmaxqdepth;
1908
1909
1910 base_vha = qla2x00_create_host(sht, ha);
1911 if (!base_vha) {
1912 qla_printk(KERN_WARNING, ha,
1913 "[ERROR] Failed to allocate memory for scsi_host\n");
1914
1915 ret = -ENOMEM;
1916 qla2x00_mem_free(ha);
1917 qla2x00_free_req_que(ha, req);
1918 qla2x00_free_rsp_que(ha, rsp);
1919 goto probe_hw_failed;
1920 }
1921
1922 pci_set_drvdata(pdev, base_vha);
1923
1924 host = base_vha->host;
1925 base_vha->req = req;
1926 host->can_queue = req->length + 128;
1927 if (IS_QLA2XXX_MIDTYPE(ha))
1928 base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
1929 else
1930 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
1931 base_vha->vp_idx;
1932 if (IS_QLA2100(ha))
1933 host->sg_tablesize = 32;
1934 host->max_id = max_id;
1935 host->this_id = 255;
1936 host->cmd_per_lun = 3;
1937 host->unique_id = host->host_no;
1938 host->max_cmd_len = MAX_CMDSZ;
1939 host->max_channel = MAX_BUSES - 1;
1940 host->max_lun = MAX_LUNS;
1941 host->transportt = qla2xxx_transport_template;
1942
1943 /* Set up the irqs */
1944 ret = qla2x00_request_irqs(ha, rsp);
1945 if (ret)
1946 goto probe_init_failed;
1947 /* Alloc arrays of request and response ring ptrs */
1948 que_init:
1949 if (!qla2x00_alloc_queues(ha)) {
1950 qla_printk(KERN_WARNING, ha,
1951 "[ERROR] Failed to allocate memory for queue"
1952 " pointers\n");
1953 goto probe_init_failed;
1954 }
1955 ha->rsp_q_map[0] = rsp;
1956 ha->req_q_map[0] = req;
1957 rsp->req = req;
1958 req->rsp = rsp;
1959 set_bit(0, ha->req_qid_map);
1960 set_bit(0, ha->rsp_qid_map);
1961 /* FWI2-capable only. */
1962 req->req_q_in = &ha->iobase->isp24.req_q_in;
1963 req->req_q_out = &ha->iobase->isp24.req_q_out;
1964 rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
1965 rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
1966 if (ha->mqenable) {
1967 req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
1968 req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
1969 rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
1970 rsp->rsp_q_out = &ha->mqiobase->isp25mq.rsp_q_out;
1971 }
1972
1973 if (qla2x00_initialize_adapter(base_vha)) {
1974 qla_printk(KERN_WARNING, ha,
1975 "Failed to initialize adapter\n");
1976
1977 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1978 "Adapter flags %x.\n",
1979 base_vha->host_no, base_vha->device_flags));
1980
1981 ret = -ENODEV;
1982 goto probe_failed;
1983 }
1984
1985 if (ha->mqenable) {
1986 if (qla25xx_setup_mode(base_vha)) {
1987 qla_printk(KERN_WARNING, ha,
1988 "Can't create queues, falling back to single"
1989 " queue mode\n");
1990 goto que_init;
1991 }
1992 }
1993
1994 if (ha->flags.running_gold_fw)
1995 goto skip_dpc;
1996
1997 /*
1998 * Startup the kernel thread for this host adapter
1999 */
2000 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
2001 "%s_dpc", base_vha->host_str);
2002 if (IS_ERR(ha->dpc_thread)) {
2003 qla_printk(KERN_WARNING, ha,
2004 "Unable to start DPC thread!\n");
2005 ret = PTR_ERR(ha->dpc_thread);
2006 goto probe_failed;
2007 }
2008
2009 skip_dpc:
2010 list_add_tail(&base_vha->list, &ha->vp_list);
2011 base_vha->host->irq = ha->pdev->irq;
2012
2013 /* Initialized the timer */
2014 qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
2015
2016 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
2017 base_vha->host_no, ha));
2018
2019 base_vha->flags.init_done = 1;
2020 base_vha->flags.online = 1;
2021
2022 ret = scsi_add_host(host, &pdev->dev);
2023 if (ret)
2024 goto probe_failed;
2025
2026 ha->isp_ops->enable_intrs(ha);
2027
2028 scsi_scan_host(host);
2029
2030 qla2x00_alloc_sysfs_attr(base_vha);
2031
2032 qla2x00_init_host_attr(base_vha);
2033
2034 qla2x00_dfs_setup(base_vha);
2035
2036 qla_printk(KERN_INFO, ha, "\n"
2037 " QLogic Fibre Channel HBA Driver: %s\n"
2038 " QLogic %s - %s\n"
2039 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
2040 qla2x00_version_str, ha->model_number,
2041 ha->model_desc ? ha->model_desc : "", pdev->device,
2042 ha->isp_ops->pci_info_str(base_vha, pci_info), pci_name(pdev),
2043 ha->flags.enable_64bit_addressing ? '+' : '-', base_vha->host_no,
2044 ha->isp_ops->fw_version_str(base_vha, fw_str));
2045
2046 return 0;
2047
2048 probe_init_failed:
2049 qla2x00_free_req_que(ha, req);
2050 qla2x00_free_rsp_que(ha, rsp);
2051 ha->max_req_queues = ha->max_rsp_queues = 0;
2052
2053 probe_failed:
2054 if (base_vha->timer_active)
2055 qla2x00_stop_timer(base_vha);
2056 base_vha->flags.online = 0;
2057 if (ha->dpc_thread) {
2058 struct task_struct *t = ha->dpc_thread;
2059
2060 ha->dpc_thread = NULL;
2061 kthread_stop(t);
2062 }
2063
2064 qla2x00_free_device(base_vha);
2065
2066 scsi_host_put(base_vha->host);
2067
2068 probe_hw_failed:
2069 if (ha->iobase)
2070 iounmap(ha->iobase);
2071
2072 pci_release_selected_regions(ha->pdev, ha->bars);
2073 kfree(ha);
2074 ha = NULL;
2075
2076 probe_out:
2077 pci_disable_device(pdev);
2078 return ret;
2079 }
2080
2081 static void
2082 qla2x00_remove_one(struct pci_dev *pdev)
2083 {
2084 scsi_qla_host_t *base_vha, *vha, *temp;
2085 struct qla_hw_data *ha;
2086
2087 base_vha = pci_get_drvdata(pdev);
2088 ha = base_vha->hw;
2089
2090 list_for_each_entry_safe(vha, temp, &ha->vp_list, list) {
2091 if (vha && vha->fc_vport)
2092 fc_vport_terminate(vha->fc_vport);
2093 }
2094
2095 set_bit(UNLOADING, &base_vha->dpc_flags);
2096
2097 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
2098
2099 qla2x00_dfs_remove(base_vha);
2100
2101 qla84xx_put_chip(base_vha);
2102
2103 /* Disable timer */
2104 if (base_vha->timer_active)
2105 qla2x00_stop_timer(base_vha);
2106
2107 base_vha->flags.online = 0;
2108
2109 /* Flush the work queue and remove it */
2110 if (ha->wq) {
2111 flush_workqueue(ha->wq);
2112 destroy_workqueue(ha->wq);
2113 ha->wq = NULL;
2114 }
2115
2116 /* Kill the kernel thread for this host */
2117 if (ha->dpc_thread) {
2118 struct task_struct *t = ha->dpc_thread;
2119
2120 /*
2121 * qla2xxx_wake_dpc checks for ->dpc_thread
2122 * so we need to zero it out.
2123 */
2124 ha->dpc_thread = NULL;
2125 kthread_stop(t);
2126 }
2127
2128 qla2x00_free_sysfs_attr(base_vha);
2129
2130 fc_remove_host(base_vha->host);
2131
2132 scsi_remove_host(base_vha->host);
2133
2134 qla2x00_free_device(base_vha);
2135
2136 scsi_host_put(base_vha->host);
2137
2138 if (ha->iobase)
2139 iounmap(ha->iobase);
2140
2141 if (ha->mqiobase)
2142 iounmap(ha->mqiobase);
2143
2144 pci_release_selected_regions(ha->pdev, ha->bars);
2145 kfree(ha);
2146 ha = NULL;
2147
2148 pci_disable_device(pdev);
2149 pci_set_drvdata(pdev, NULL);
2150 }
2151
2152 static void
2153 qla2x00_free_device(scsi_qla_host_t *vha)
2154 {
2155 struct qla_hw_data *ha = vha->hw;
2156
2157 qla25xx_delete_queues(vha);
2158
2159 if (ha->flags.fce_enabled)
2160 qla2x00_disable_fce_trace(vha, NULL, NULL);
2161
2162 if (ha->eft)
2163 qla2x00_disable_eft_trace(vha);
2164
2165 /* Stop currently executing firmware. */
2166 qla2x00_try_to_stop_firmware(vha);
2167
2168 /* turn-off interrupts on the card */
2169 if (ha->interrupts_on)
2170 ha->isp_ops->disable_intrs(ha);
2171
2172 qla2x00_free_irqs(vha);
2173
2174 qla2x00_mem_free(ha);
2175
2176 qla2x00_free_queues(ha);
2177 }
2178
2179 static inline void
2180 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
2181 int defer)
2182 {
2183 struct fc_rport *rport;
2184 scsi_qla_host_t *base_vha;
2185
2186 if (!fcport->rport)
2187 return;
2188
2189 rport = fcport->rport;
2190 if (defer) {
2191 base_vha = pci_get_drvdata(vha->hw->pdev);
2192 spin_lock_irq(vha->host->host_lock);
2193 fcport->drport = rport;
2194 spin_unlock_irq(vha->host->host_lock);
2195 set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
2196 qla2xxx_wake_dpc(base_vha);
2197 } else
2198 fc_remote_port_delete(rport);
2199 }
2200
2201 /*
2202 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
2203 *
2204 * Input: ha = adapter block pointer. fcport = port structure pointer.
2205 *
2206 * Return: None.
2207 *
2208 * Context:
2209 */
2210 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
2211 int do_login, int defer)
2212 {
2213 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2214 vha->vp_idx == fcport->vp_idx) {
2215 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2216 qla2x00_schedule_rport_del(vha, fcport, defer);
2217 }
2218 /*
2219 * We may need to retry the login, so don't change the state of the
2220 * port but do the retries.
2221 */
2222 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
2223 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2224
2225 if (!do_login)
2226 return;
2227
2228 if (fcport->login_retry == 0) {
2229 fcport->login_retry = vha->hw->login_retry_count;
2230 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2231
2232 DEBUG(printk("scsi(%ld): Port login retry: "
2233 "%02x%02x%02x%02x%02x%02x%02x%02x, "
2234 "id = 0x%04x retry cnt=%d\n",
2235 vha->host_no,
2236 fcport->port_name[0],
2237 fcport->port_name[1],
2238 fcport->port_name[2],
2239 fcport->port_name[3],
2240 fcport->port_name[4],
2241 fcport->port_name[5],
2242 fcport->port_name[6],
2243 fcport->port_name[7],
2244 fcport->loop_id,
2245 fcport->login_retry));
2246 }
2247 }
2248
2249 /*
2250 * qla2x00_mark_all_devices_lost
2251 * Updates fcport state when device goes offline.
2252 *
2253 * Input:
2254 * ha = adapter block pointer.
2255 * fcport = port structure pointer.
2256 *
2257 * Return:
2258 * None.
2259 *
2260 * Context:
2261 */
2262 void
2263 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
2264 {
2265 fc_port_t *fcport;
2266
2267 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2268 if (vha->vp_idx != 0 && vha->vp_idx != fcport->vp_idx)
2269 continue;
2270
2271 /*
2272 * No point in marking the device as lost, if the device is
2273 * already DEAD.
2274 */
2275 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
2276 continue;
2277 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2278 if (defer)
2279 qla2x00_schedule_rport_del(vha, fcport, defer);
2280 else if (vha->vp_idx == fcport->vp_idx)
2281 qla2x00_schedule_rport_del(vha, fcport, defer);
2282 }
2283 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2284 }
2285 }
2286
2287 /*
2288 * qla2x00_mem_alloc
2289 * Allocates adapter memory.
2290 *
2291 * Returns:
2292 * 0 = success.
2293 * !0 = failure.
2294 */
2295 static int
2296 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
2297 struct req_que **req, struct rsp_que **rsp)
2298 {
2299 char name[16];
2300
2301 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
2302 &ha->init_cb_dma, GFP_KERNEL);
2303 if (!ha->init_cb)
2304 goto fail;
2305
2306 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2307 &ha->gid_list_dma, GFP_KERNEL);
2308 if (!ha->gid_list)
2309 goto fail_free_init_cb;
2310
2311 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2312 if (!ha->srb_mempool)
2313 goto fail_free_gid_list;
2314
2315 /* Get memory for cached NVRAM */
2316 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2317 if (!ha->nvram)
2318 goto fail_free_srb_mempool;
2319
2320 snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
2321 ha->pdev->device);
2322 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2323 DMA_POOL_SIZE, 8, 0);
2324 if (!ha->s_dma_pool)
2325 goto fail_free_nvram;
2326
2327 /* Allocate memory for SNS commands */
2328 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2329 /* Get consistent memory allocated for SNS commands */
2330 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
2331 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
2332 if (!ha->sns_cmd)
2333 goto fail_dma_pool;
2334 } else {
2335 /* Get consistent memory allocated for MS IOCB */
2336 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2337 &ha->ms_iocb_dma);
2338 if (!ha->ms_iocb)
2339 goto fail_dma_pool;
2340 /* Get consistent memory allocated for CT SNS commands */
2341 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
2342 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
2343 if (!ha->ct_sns)
2344 goto fail_free_ms_iocb;
2345 }
2346
2347 /* Allocate memory for request ring */
2348 *req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
2349 if (!*req) {
2350 DEBUG(printk("Unable to allocate memory for req\n"));
2351 goto fail_req;
2352 }
2353 (*req)->length = req_len;
2354 (*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
2355 ((*req)->length + 1) * sizeof(request_t),
2356 &(*req)->dma, GFP_KERNEL);
2357 if (!(*req)->ring) {
2358 DEBUG(printk("Unable to allocate memory for req_ring\n"));
2359 goto fail_req_ring;
2360 }
2361 /* Allocate memory for response ring */
2362 *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
2363 if (!*rsp) {
2364 qla_printk(KERN_WARNING, ha,
2365 "Unable to allocate memory for rsp\n");
2366 goto fail_rsp;
2367 }
2368 (*rsp)->hw = ha;
2369 (*rsp)->length = rsp_len;
2370 (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
2371 ((*rsp)->length + 1) * sizeof(response_t),
2372 &(*rsp)->dma, GFP_KERNEL);
2373 if (!(*rsp)->ring) {
2374 qla_printk(KERN_WARNING, ha,
2375 "Unable to allocate memory for rsp_ring\n");
2376 goto fail_rsp_ring;
2377 }
2378 (*req)->rsp = *rsp;
2379 (*rsp)->req = *req;
2380 /* Allocate memory for NVRAM data for vports */
2381 if (ha->nvram_npiv_size) {
2382 ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
2383 ha->nvram_npiv_size, GFP_KERNEL);
2384 if (!ha->npiv_info) {
2385 qla_printk(KERN_WARNING, ha,
2386 "Unable to allocate memory for npiv info\n");
2387 goto fail_npiv_info;
2388 }
2389 } else
2390 ha->npiv_info = NULL;
2391
2392 /* Get consistent memory allocated for EX-INIT-CB. */
2393 if (IS_QLA81XX(ha)) {
2394 ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2395 &ha->ex_init_cb_dma);
2396 if (!ha->ex_init_cb)
2397 goto fail_ex_init_cb;
2398 }
2399
2400 INIT_LIST_HEAD(&ha->vp_list);
2401 return 1;
2402
2403 fail_ex_init_cb:
2404 kfree(ha->npiv_info);
2405 fail_npiv_info:
2406 dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
2407 sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
2408 (*rsp)->ring = NULL;
2409 (*rsp)->dma = 0;
2410 fail_rsp_ring:
2411 kfree(*rsp);
2412 fail_rsp:
2413 dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
2414 sizeof(request_t), (*req)->ring, (*req)->dma);
2415 (*req)->ring = NULL;
2416 (*req)->dma = 0;
2417 fail_req_ring:
2418 kfree(*req);
2419 fail_req:
2420 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2421 ha->ct_sns, ha->ct_sns_dma);
2422 ha->ct_sns = NULL;
2423 ha->ct_sns_dma = 0;
2424 fail_free_ms_iocb:
2425 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2426 ha->ms_iocb = NULL;
2427 ha->ms_iocb_dma = 0;
2428 fail_dma_pool:
2429 dma_pool_destroy(ha->s_dma_pool);
2430 ha->s_dma_pool = NULL;
2431 fail_free_nvram:
2432 kfree(ha->nvram);
2433 ha->nvram = NULL;
2434 fail_free_srb_mempool:
2435 mempool_destroy(ha->srb_mempool);
2436 ha->srb_mempool = NULL;
2437 fail_free_gid_list:
2438 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2439 ha->gid_list_dma);
2440 ha->gid_list = NULL;
2441 ha->gid_list_dma = 0;
2442 fail_free_init_cb:
2443 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
2444 ha->init_cb_dma);
2445 ha->init_cb = NULL;
2446 ha->init_cb_dma = 0;
2447 fail:
2448 DEBUG(printk("%s: Memory allocation failure\n", __func__));
2449 return -ENOMEM;
2450 }
2451
2452 /*
2453 * qla2x00_mem_free
2454 * Frees all adapter allocated memory.
2455 *
2456 * Input:
2457 * ha = adapter block pointer.
2458 */
2459 static void
2460 qla2x00_mem_free(struct qla_hw_data *ha)
2461 {
2462 if (ha->srb_mempool)
2463 mempool_destroy(ha->srb_mempool);
2464
2465 if (ha->fce)
2466 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
2467 ha->fce_dma);
2468
2469 if (ha->fw_dump) {
2470 if (ha->eft)
2471 dma_free_coherent(&ha->pdev->dev,
2472 ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
2473 vfree(ha->fw_dump);
2474 }
2475
2476 if (ha->dcbx_tlv)
2477 dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
2478 ha->dcbx_tlv, ha->dcbx_tlv_dma);
2479
2480 if (ha->xgmac_data)
2481 dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
2482 ha->xgmac_data, ha->xgmac_data_dma);
2483
2484 if (ha->sns_cmd)
2485 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2486 ha->sns_cmd, ha->sns_cmd_dma);
2487
2488 if (ha->ct_sns)
2489 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2490 ha->ct_sns, ha->ct_sns_dma);
2491
2492 if (ha->sfp_data)
2493 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2494
2495 if (ha->edc_data)
2496 dma_pool_free(ha->s_dma_pool, ha->edc_data, ha->edc_data_dma);
2497
2498 if (ha->ms_iocb)
2499 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2500
2501 if (ha->ex_init_cb)
2502 dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
2503
2504 if (ha->s_dma_pool)
2505 dma_pool_destroy(ha->s_dma_pool);
2506
2507 if (ha->gid_list)
2508 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2509 ha->gid_list_dma);
2510
2511 if (ha->init_cb)
2512 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2513 ha->init_cb, ha->init_cb_dma);
2514 vfree(ha->optrom_buffer);
2515 kfree(ha->nvram);
2516 kfree(ha->npiv_info);
2517
2518 ha->srb_mempool = NULL;
2519 ha->eft = NULL;
2520 ha->eft_dma = 0;
2521 ha->sns_cmd = NULL;
2522 ha->sns_cmd_dma = 0;
2523 ha->ct_sns = NULL;
2524 ha->ct_sns_dma = 0;
2525 ha->ms_iocb = NULL;
2526 ha->ms_iocb_dma = 0;
2527 ha->init_cb = NULL;
2528 ha->init_cb_dma = 0;
2529 ha->ex_init_cb = NULL;
2530 ha->ex_init_cb_dma = 0;
2531
2532 ha->s_dma_pool = NULL;
2533
2534 ha->gid_list = NULL;
2535 ha->gid_list_dma = 0;
2536
2537 ha->fw_dump = NULL;
2538 ha->fw_dumped = 0;
2539 ha->fw_dump_reading = 0;
2540 }
2541
2542 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
2543 struct qla_hw_data *ha)
2544 {
2545 struct Scsi_Host *host;
2546 struct scsi_qla_host *vha = NULL;
2547
2548 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
2549 if (host == NULL) {
2550 printk(KERN_WARNING
2551 "qla2xxx: Couldn't allocate host from scsi layer!\n");
2552 goto fail;
2553 }
2554
2555 /* Clear our data area */
2556 vha = shost_priv(host);
2557 memset(vha, 0, sizeof(scsi_qla_host_t));
2558
2559 vha->host = host;
2560 vha->host_no = host->host_no;
2561 vha->hw = ha;
2562
2563 INIT_LIST_HEAD(&vha->vp_fcports);
2564 INIT_LIST_HEAD(&vha->work_list);
2565 INIT_LIST_HEAD(&vha->list);
2566
2567 spin_lock_init(&vha->work_lock);
2568
2569 sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
2570 return vha;
2571
2572 fail:
2573 return vha;
2574 }
2575
2576 static struct qla_work_evt *
2577 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
2578 {
2579 struct qla_work_evt *e;
2580
2581 e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
2582 if (!e)
2583 return NULL;
2584
2585 INIT_LIST_HEAD(&e->list);
2586 e->type = type;
2587 e->flags = QLA_EVT_FLAG_FREE;
2588 return e;
2589 }
2590
2591 static int
2592 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
2593 {
2594 unsigned long flags;
2595
2596 spin_lock_irqsave(&vha->work_lock, flags);
2597 list_add_tail(&e->list, &vha->work_list);
2598 spin_unlock_irqrestore(&vha->work_lock, flags);
2599 qla2xxx_wake_dpc(vha);
2600
2601 return QLA_SUCCESS;
2602 }
2603
2604 int
2605 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
2606 u32 data)
2607 {
2608 struct qla_work_evt *e;
2609
2610 e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
2611 if (!e)
2612 return QLA_FUNCTION_FAILED;
2613
2614 e->u.aen.code = code;
2615 e->u.aen.data = data;
2616 return qla2x00_post_work(vha, e);
2617 }
2618
2619 int
2620 qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
2621 {
2622 struct qla_work_evt *e;
2623
2624 e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
2625 if (!e)
2626 return QLA_FUNCTION_FAILED;
2627
2628 memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
2629 return qla2x00_post_work(vha, e);
2630 }
2631
2632 #define qla2x00_post_async_work(name, type) \
2633 int qla2x00_post_async_##name##_work( \
2634 struct scsi_qla_host *vha, \
2635 fc_port_t *fcport, uint16_t *data) \
2636 { \
2637 struct qla_work_evt *e; \
2638 \
2639 e = qla2x00_alloc_work(vha, type); \
2640 if (!e) \
2641 return QLA_FUNCTION_FAILED; \
2642 \
2643 e->u.logio.fcport = fcport; \
2644 if (data) { \
2645 e->u.logio.data[0] = data[0]; \
2646 e->u.logio.data[1] = data[1]; \
2647 } \
2648 return qla2x00_post_work(vha, e); \
2649 }
2650
2651 qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
2652 qla2x00_post_async_work(login_done, QLA_EVT_ASYNC_LOGIN_DONE);
2653 qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
2654 qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE);
2655
2656 void
2657 qla2x00_do_work(struct scsi_qla_host *vha)
2658 {
2659 struct qla_work_evt *e, *tmp;
2660 unsigned long flags;
2661 LIST_HEAD(work);
2662
2663 spin_lock_irqsave(&vha->work_lock, flags);
2664 list_splice_init(&vha->work_list, &work);
2665 spin_unlock_irqrestore(&vha->work_lock, flags);
2666
2667 list_for_each_entry_safe(e, tmp, &work, list) {
2668 list_del_init(&e->list);
2669
2670 switch (e->type) {
2671 case QLA_EVT_AEN:
2672 fc_host_post_event(vha->host, fc_get_event_number(),
2673 e->u.aen.code, e->u.aen.data);
2674 break;
2675 case QLA_EVT_IDC_ACK:
2676 qla81xx_idc_ack(vha, e->u.idc_ack.mb);
2677 break;
2678 case QLA_EVT_ASYNC_LOGIN:
2679 qla2x00_async_login(vha, e->u.logio.fcport,
2680 e->u.logio.data);
2681 break;
2682 case QLA_EVT_ASYNC_LOGIN_DONE:
2683 qla2x00_async_login_done(vha, e->u.logio.fcport,
2684 e->u.logio.data);
2685 break;
2686 case QLA_EVT_ASYNC_LOGOUT:
2687 qla2x00_async_logout(vha, e->u.logio.fcport);
2688 break;
2689 case QLA_EVT_ASYNC_LOGOUT_DONE:
2690 qla2x00_async_logout_done(vha, e->u.logio.fcport,
2691 e->u.logio.data);
2692 break;
2693 }
2694 if (e->flags & QLA_EVT_FLAG_FREE)
2695 kfree(e);
2696 }
2697 }
2698
2699 /* Relogins all the fcports of a vport
2700 * Context: dpc thread
2701 */
2702 void qla2x00_relogin(struct scsi_qla_host *vha)
2703 {
2704 fc_port_t *fcport;
2705 int status;
2706 uint16_t next_loopid = 0;
2707 struct qla_hw_data *ha = vha->hw;
2708 uint16_t data[2];
2709
2710 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2711 /*
2712 * If the port is not ONLINE then try to login
2713 * to it if we haven't run out of retries.
2714 */
2715 if (atomic_read(&fcport->state) !=
2716 FCS_ONLINE && fcport->login_retry) {
2717
2718 fcport->login_retry--;
2719 if (fcport->flags & FCF_FABRIC_DEVICE) {
2720 if (fcport->flags & FCF_TAPE_PRESENT)
2721 ha->isp_ops->fabric_logout(vha,
2722 fcport->loop_id,
2723 fcport->d_id.b.domain,
2724 fcport->d_id.b.area,
2725 fcport->d_id.b.al_pa);
2726
2727 if (IS_ALOGIO_CAPABLE(ha)) {
2728 data[0] = 0;
2729 data[1] = QLA_LOGIO_LOGIN_RETRIED;
2730 status = qla2x00_post_async_login_work(
2731 vha, fcport, data);
2732 if (status == QLA_SUCCESS)
2733 continue;
2734 /* Attempt a retry. */
2735 status = 1;
2736 } else
2737 status = qla2x00_fabric_login(vha,
2738 fcport, &next_loopid);
2739 } else
2740 status = qla2x00_local_device_login(vha,
2741 fcport);
2742
2743 if (status == QLA_SUCCESS) {
2744 fcport->old_loop_id = fcport->loop_id;
2745
2746 DEBUG(printk("scsi(%ld): port login OK: logged "
2747 "in ID 0x%x\n", vha->host_no, fcport->loop_id));
2748
2749 qla2x00_update_fcport(vha, fcport);
2750
2751 } else if (status == 1) {
2752 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2753 /* retry the login again */
2754 DEBUG(printk("scsi(%ld): Retrying"
2755 " %d login again loop_id 0x%x\n",
2756 vha->host_no, fcport->login_retry,
2757 fcport->loop_id));
2758 } else {
2759 fcport->login_retry = 0;
2760 }
2761
2762 if (fcport->login_retry == 0 && status != QLA_SUCCESS)
2763 fcport->loop_id = FC_NO_LOOP_ID;
2764 }
2765 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2766 break;
2767 }
2768 }
2769
2770 /**************************************************************************
2771 * qla2x00_do_dpc
2772 * This kernel thread is a task that is schedule by the interrupt handler
2773 * to perform the background processing for interrupts.
2774 *
2775 * Notes:
2776 * This task always run in the context of a kernel thread. It
2777 * is kick-off by the driver's detect code and starts up
2778 * up one per adapter. It immediately goes to sleep and waits for
2779 * some fibre event. When either the interrupt handler or
2780 * the timer routine detects a event it will one of the task
2781 * bits then wake us up.
2782 **************************************************************************/
2783 static int
2784 qla2x00_do_dpc(void *data)
2785 {
2786 int rval;
2787 scsi_qla_host_t *base_vha;
2788 struct qla_hw_data *ha;
2789
2790 ha = (struct qla_hw_data *)data;
2791 base_vha = pci_get_drvdata(ha->pdev);
2792
2793 set_user_nice(current, -20);
2794
2795 while (!kthread_should_stop()) {
2796 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2797
2798 set_current_state(TASK_INTERRUPTIBLE);
2799 schedule();
2800 __set_current_state(TASK_RUNNING);
2801
2802 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2803
2804 /* Initialization not yet finished. Don't do anything yet. */
2805 if (!base_vha->flags.init_done)
2806 continue;
2807
2808 DEBUG3(printk("scsi(%ld): DPC handler\n", base_vha->host_no));
2809
2810 ha->dpc_active = 1;
2811
2812 if (ha->flags.mbox_busy) {
2813 ha->dpc_active = 0;
2814 continue;
2815 }
2816
2817 qla2x00_do_work(base_vha);
2818
2819 if (test_and_clear_bit(ISP_ABORT_NEEDED,
2820 &base_vha->dpc_flags)) {
2821
2822 DEBUG(printk("scsi(%ld): dpc: sched "
2823 "qla2x00_abort_isp ha = %p\n",
2824 base_vha->host_no, ha));
2825 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
2826 &base_vha->dpc_flags))) {
2827
2828 if (qla2x00_abort_isp(base_vha)) {
2829 /* failed. retry later */
2830 set_bit(ISP_ABORT_NEEDED,
2831 &base_vha->dpc_flags);
2832 }
2833 clear_bit(ABORT_ISP_ACTIVE,
2834 &base_vha->dpc_flags);
2835 }
2836
2837 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
2838 base_vha->host_no));
2839 }
2840
2841 if (test_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags)) {
2842 qla2x00_update_fcports(base_vha);
2843 clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
2844 }
2845
2846 if (test_and_clear_bit(RESET_MARKER_NEEDED,
2847 &base_vha->dpc_flags) &&
2848 (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
2849
2850 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
2851 base_vha->host_no));
2852
2853 qla2x00_rst_aen(base_vha);
2854 clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
2855 }
2856
2857 /* Retry each device up to login retry count */
2858 if ((test_and_clear_bit(RELOGIN_NEEDED,
2859 &base_vha->dpc_flags)) &&
2860 !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
2861 atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
2862
2863 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
2864 base_vha->host_no));
2865 qla2x00_relogin(base_vha);
2866
2867 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
2868 base_vha->host_no));
2869 }
2870
2871 if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
2872 &base_vha->dpc_flags)) {
2873
2874 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
2875 base_vha->host_no));
2876
2877 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
2878 &base_vha->dpc_flags))) {
2879
2880 rval = qla2x00_loop_resync(base_vha);
2881
2882 clear_bit(LOOP_RESYNC_ACTIVE,
2883 &base_vha->dpc_flags);
2884 }
2885
2886 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
2887 base_vha->host_no));
2888 }
2889
2890 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
2891 atomic_read(&base_vha->loop_state) == LOOP_READY) {
2892 clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
2893 qla2xxx_flash_npiv_conf(base_vha);
2894 }
2895
2896 if (!ha->interrupts_on)
2897 ha->isp_ops->enable_intrs(ha);
2898
2899 if (test_and_clear_bit(BEACON_BLINK_NEEDED,
2900 &base_vha->dpc_flags))
2901 ha->isp_ops->beacon_blink(base_vha);
2902
2903 qla2x00_do_dpc_all_vps(base_vha);
2904
2905 ha->dpc_active = 0;
2906 } /* End of while(1) */
2907
2908 DEBUG(printk("scsi(%ld): DPC handler exiting\n", base_vha->host_no));
2909
2910 /*
2911 * Make sure that nobody tries to wake us up again.
2912 */
2913 ha->dpc_active = 0;
2914
2915 /* Cleanup any residual CTX SRBs. */
2916 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
2917
2918 return 0;
2919 }
2920
2921 void
2922 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
2923 {
2924 struct qla_hw_data *ha = vha->hw;
2925 struct task_struct *t = ha->dpc_thread;
2926
2927 if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
2928 wake_up_process(t);
2929 }
2930
2931 /*
2932 * qla2x00_rst_aen
2933 * Processes asynchronous reset.
2934 *
2935 * Input:
2936 * ha = adapter block pointer.
2937 */
2938 static void
2939 qla2x00_rst_aen(scsi_qla_host_t *vha)
2940 {
2941 if (vha->flags.online && !vha->flags.reset_active &&
2942 !atomic_read(&vha->loop_down_timer) &&
2943 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
2944 do {
2945 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
2946
2947 /*
2948 * Issue marker command only when we are going to start
2949 * the I/O.
2950 */
2951 vha->marker_needed = 1;
2952 } while (!atomic_read(&vha->loop_down_timer) &&
2953 (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
2954 }
2955 }
2956
2957 static void
2958 qla2x00_sp_free_dma(srb_t *sp)
2959 {
2960 struct scsi_cmnd *cmd = sp->cmd;
2961
2962 if (sp->flags & SRB_DMA_VALID) {
2963 scsi_dma_unmap(cmd);
2964 sp->flags &= ~SRB_DMA_VALID;
2965 }
2966 CMD_SP(cmd) = NULL;
2967 }
2968
2969 void
2970 qla2x00_sp_compl(struct qla_hw_data *ha, srb_t *sp)
2971 {
2972 struct scsi_cmnd *cmd = sp->cmd;
2973
2974 qla2x00_sp_free_dma(sp);
2975
2976 mempool_free(sp, ha->srb_mempool);
2977
2978 cmd->scsi_done(cmd);
2979 }
2980
2981 /**************************************************************************
2982 * qla2x00_timer
2983 *
2984 * Description:
2985 * One second timer
2986 *
2987 * Context: Interrupt
2988 ***************************************************************************/
2989 void
2990 qla2x00_timer(scsi_qla_host_t *vha)
2991 {
2992 unsigned long cpu_flags = 0;
2993 fc_port_t *fcport;
2994 int start_dpc = 0;
2995 int index;
2996 srb_t *sp;
2997 int t;
2998 struct qla_hw_data *ha = vha->hw;
2999 struct req_que *req;
3000 /*
3001 * Ports - Port down timer.
3002 *
3003 * Whenever, a port is in the LOST state we start decrementing its port
3004 * down timer every second until it reaches zero. Once it reaches zero
3005 * the port it marked DEAD.
3006 */
3007 t = 0;
3008 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3009 if (fcport->port_type != FCT_TARGET)
3010 continue;
3011
3012 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
3013
3014 if (atomic_read(&fcport->port_down_timer) == 0)
3015 continue;
3016
3017 if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
3018 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
3019
3020 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
3021 "%d remaining\n",
3022 vha->host_no,
3023 t, atomic_read(&fcport->port_down_timer)));
3024 }
3025 t++;
3026 } /* End of for fcport */
3027
3028
3029 /* Loop down handler. */
3030 if (atomic_read(&vha->loop_down_timer) > 0 &&
3031 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
3032 && vha->flags.online) {
3033
3034 if (atomic_read(&vha->loop_down_timer) ==
3035 vha->loop_down_abort_time) {
3036
3037 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
3038 "queues before time expire\n",
3039 vha->host_no));
3040
3041 if (!IS_QLA2100(ha) && vha->link_down_timeout)
3042 atomic_set(&vha->loop_state, LOOP_DEAD);
3043
3044 /* Schedule an ISP abort to return any tape commands. */
3045 /* NPIV - scan physical port only */
3046 if (!vha->vp_idx) {
3047 spin_lock_irqsave(&ha->hardware_lock,
3048 cpu_flags);
3049 req = ha->req_q_map[0];
3050 for (index = 1;
3051 index < MAX_OUTSTANDING_COMMANDS;
3052 index++) {
3053 fc_port_t *sfcp;
3054
3055 sp = req->outstanding_cmds[index];
3056 if (!sp)
3057 continue;
3058 if (sp->ctx)
3059 continue;
3060 sfcp = sp->fcport;
3061 if (!(sfcp->flags & FCF_TAPE_PRESENT))
3062 continue;
3063
3064 set_bit(ISP_ABORT_NEEDED,
3065 &vha->dpc_flags);
3066 break;
3067 }
3068 spin_unlock_irqrestore(&ha->hardware_lock,
3069 cpu_flags);
3070 }
3071 start_dpc++;
3072 }
3073
3074 /* if the loop has been down for 4 minutes, reinit adapter */
3075 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
3076 if (!(vha->device_flags & DFLG_NO_CABLE)) {
3077 DEBUG(printk("scsi(%ld): Loop down - "
3078 "aborting ISP.\n",
3079 vha->host_no));
3080 qla_printk(KERN_WARNING, ha,
3081 "Loop down - aborting ISP.\n");
3082
3083 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3084 }
3085 }
3086 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
3087 vha->host_no,
3088 atomic_read(&vha->loop_down_timer)));
3089 }
3090
3091 /* Check if beacon LED needs to be blinked */
3092 if (ha->beacon_blink_led == 1) {
3093 set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
3094 start_dpc++;
3095 }
3096
3097 /* Process any deferred work. */
3098 if (!list_empty(&vha->work_list))
3099 start_dpc++;
3100
3101 /* Schedule the DPC routine if needed */
3102 if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
3103 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
3104 test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
3105 start_dpc ||
3106 test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
3107 test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
3108 test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
3109 test_bit(RELOGIN_NEEDED, &vha->dpc_flags)))
3110 qla2xxx_wake_dpc(vha);
3111
3112 qla2x00_restart_timer(vha, WATCH_INTERVAL);
3113 }
3114
3115 /* Firmware interface routines. */
3116
3117 #define FW_BLOBS 7
3118 #define FW_ISP21XX 0
3119 #define FW_ISP22XX 1
3120 #define FW_ISP2300 2
3121 #define FW_ISP2322 3
3122 #define FW_ISP24XX 4
3123 #define FW_ISP25XX 5
3124 #define FW_ISP81XX 6
3125
3126 #define FW_FILE_ISP21XX "ql2100_fw.bin"
3127 #define FW_FILE_ISP22XX "ql2200_fw.bin"
3128 #define FW_FILE_ISP2300 "ql2300_fw.bin"
3129 #define FW_FILE_ISP2322 "ql2322_fw.bin"
3130 #define FW_FILE_ISP24XX "ql2400_fw.bin"
3131 #define FW_FILE_ISP25XX "ql2500_fw.bin"
3132 #define FW_FILE_ISP81XX "ql8100_fw.bin"
3133
3134 static DEFINE_MUTEX(qla_fw_lock);
3135
3136 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
3137 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
3138 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
3139 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
3140 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
3141 { .name = FW_FILE_ISP24XX, },
3142 { .name = FW_FILE_ISP25XX, },
3143 { .name = FW_FILE_ISP81XX, },
3144 };
3145
3146 struct fw_blob *
3147 qla2x00_request_firmware(scsi_qla_host_t *vha)
3148 {
3149 struct qla_hw_data *ha = vha->hw;
3150 struct fw_blob *blob;
3151
3152 blob = NULL;
3153 if (IS_QLA2100(ha)) {
3154 blob = &qla_fw_blobs[FW_ISP21XX];
3155 } else if (IS_QLA2200(ha)) {
3156 blob = &qla_fw_blobs[FW_ISP22XX];
3157 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
3158 blob = &qla_fw_blobs[FW_ISP2300];
3159 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
3160 blob = &qla_fw_blobs[FW_ISP2322];
3161 } else if (IS_QLA24XX_TYPE(ha)) {
3162 blob = &qla_fw_blobs[FW_ISP24XX];
3163 } else if (IS_QLA25XX(ha)) {
3164 blob = &qla_fw_blobs[FW_ISP25XX];
3165 } else if (IS_QLA81XX(ha)) {
3166 blob = &qla_fw_blobs[FW_ISP81XX];
3167 }
3168
3169 mutex_lock(&qla_fw_lock);
3170 if (blob->fw)
3171 goto out;
3172
3173 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
3174 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
3175 "(%s).\n", vha->host_no, blob->name));
3176 blob->fw = NULL;
3177 blob = NULL;
3178 goto out;
3179 }
3180
3181 out:
3182 mutex_unlock(&qla_fw_lock);
3183 return blob;
3184 }
3185
3186 static void
3187 qla2x00_release_firmware(void)
3188 {
3189 int idx;
3190
3191 mutex_lock(&qla_fw_lock);
3192 for (idx = 0; idx < FW_BLOBS; idx++)
3193 if (qla_fw_blobs[idx].fw)
3194 release_firmware(qla_fw_blobs[idx].fw);
3195 mutex_unlock(&qla_fw_lock);
3196 }
3197
3198 static pci_ers_result_t
3199 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
3200 {
3201 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3202
3203 switch (state) {
3204 case pci_channel_io_normal:
3205 return PCI_ERS_RESULT_CAN_RECOVER;
3206 case pci_channel_io_frozen:
3207 pci_disable_device(pdev);
3208 return PCI_ERS_RESULT_NEED_RESET;
3209 case pci_channel_io_perm_failure:
3210 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
3211 return PCI_ERS_RESULT_DISCONNECT;
3212 }
3213 return PCI_ERS_RESULT_NEED_RESET;
3214 }
3215
3216 static pci_ers_result_t
3217 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
3218 {
3219 int risc_paused = 0;
3220 uint32_t stat;
3221 unsigned long flags;
3222 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3223 struct qla_hw_data *ha = base_vha->hw;
3224 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3225 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
3226
3227 spin_lock_irqsave(&ha->hardware_lock, flags);
3228 if (IS_QLA2100(ha) || IS_QLA2200(ha)){
3229 stat = RD_REG_DWORD(&reg->hccr);
3230 if (stat & HCCR_RISC_PAUSE)
3231 risc_paused = 1;
3232 } else if (IS_QLA23XX(ha)) {
3233 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
3234 if (stat & HSR_RISC_PAUSED)
3235 risc_paused = 1;
3236 } else if (IS_FWI2_CAPABLE(ha)) {
3237 stat = RD_REG_DWORD(&reg24->host_status);
3238 if (stat & HSRX_RISC_PAUSED)
3239 risc_paused = 1;
3240 }
3241 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3242
3243 if (risc_paused) {
3244 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
3245 "Dumping firmware!\n");
3246 ha->isp_ops->fw_dump(base_vha, 0);
3247
3248 return PCI_ERS_RESULT_NEED_RESET;
3249 } else
3250 return PCI_ERS_RESULT_RECOVERED;
3251 }
3252
3253 static pci_ers_result_t
3254 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
3255 {
3256 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
3257 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3258 struct qla_hw_data *ha = base_vha->hw;
3259 int rc;
3260
3261 if (ha->mem_only)
3262 rc = pci_enable_device_mem(pdev);
3263 else
3264 rc = pci_enable_device(pdev);
3265
3266 if (rc) {
3267 qla_printk(KERN_WARNING, ha,
3268 "Can't re-enable PCI device after reset.\n");
3269
3270 return ret;
3271 }
3272 pci_set_master(pdev);
3273
3274 if (ha->isp_ops->pci_config(base_vha))
3275 return ret;
3276
3277 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3278 if (qla2x00_abort_isp(base_vha) == QLA_SUCCESS)
3279 ret = PCI_ERS_RESULT_RECOVERED;
3280 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3281
3282 return ret;
3283 }
3284
3285 static void
3286 qla2xxx_pci_resume(struct pci_dev *pdev)
3287 {
3288 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3289 struct qla_hw_data *ha = base_vha->hw;
3290 int ret;
3291
3292 ret = qla2x00_wait_for_hba_online(base_vha);
3293 if (ret != QLA_SUCCESS) {
3294 qla_printk(KERN_ERR, ha,
3295 "the device failed to resume I/O "
3296 "from slot/link_reset");
3297 }
3298 pci_cleanup_aer_uncorrect_error_status(pdev);
3299 }
3300
3301 static struct pci_error_handlers qla2xxx_err_handler = {
3302 .error_detected = qla2xxx_pci_error_detected,
3303 .mmio_enabled = qla2xxx_pci_mmio_enabled,
3304 .slot_reset = qla2xxx_pci_slot_reset,
3305 .resume = qla2xxx_pci_resume,
3306 };
3307
3308 static struct pci_device_id qla2xxx_pci_tbl[] = {
3309 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
3310 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
3311 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
3312 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
3313 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
3314 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
3315 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
3316 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
3317 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
3318 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
3319 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
3320 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
3321 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
3322 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
3323 { 0 },
3324 };
3325 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
3326
3327 static struct pci_driver qla2xxx_pci_driver = {
3328 .name = QLA2XXX_DRIVER_NAME,
3329 .driver = {
3330 .owner = THIS_MODULE,
3331 },
3332 .id_table = qla2xxx_pci_tbl,
3333 .probe = qla2x00_probe_one,
3334 .remove = qla2x00_remove_one,
3335 .err_handler = &qla2xxx_err_handler,
3336 };
3337
3338 /**
3339 * qla2x00_module_init - Module initialization.
3340 **/
3341 static int __init
3342 qla2x00_module_init(void)
3343 {
3344 int ret = 0;
3345
3346 /* Allocate cache for SRBs. */
3347 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
3348 SLAB_HWCACHE_ALIGN, NULL);
3349 if (srb_cachep == NULL) {
3350 printk(KERN_ERR
3351 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
3352 return -ENOMEM;
3353 }
3354
3355 /* Derive version string. */
3356 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
3357 if (ql2xextended_error_logging)
3358 strcat(qla2x00_version_str, "-debug");
3359
3360 qla2xxx_transport_template =
3361 fc_attach_transport(&qla2xxx_transport_functions);
3362 if (!qla2xxx_transport_template) {
3363 kmem_cache_destroy(srb_cachep);
3364 return -ENODEV;
3365 }
3366 qla2xxx_transport_vport_template =
3367 fc_attach_transport(&qla2xxx_transport_vport_functions);
3368 if (!qla2xxx_transport_vport_template) {
3369 kmem_cache_destroy(srb_cachep);
3370 fc_release_transport(qla2xxx_transport_template);
3371 return -ENODEV;
3372 }
3373
3374 printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n",
3375 qla2x00_version_str);
3376 ret = pci_register_driver(&qla2xxx_pci_driver);
3377 if (ret) {
3378 kmem_cache_destroy(srb_cachep);
3379 fc_release_transport(qla2xxx_transport_template);
3380 fc_release_transport(qla2xxx_transport_vport_template);
3381 }
3382 return ret;
3383 }
3384
3385 /**
3386 * qla2x00_module_exit - Module cleanup.
3387 **/
3388 static void __exit
3389 qla2x00_module_exit(void)
3390 {
3391 pci_unregister_driver(&qla2xxx_pci_driver);
3392 qla2x00_release_firmware();
3393 kmem_cache_destroy(srb_cachep);
3394 fc_release_transport(qla2xxx_transport_template);
3395 fc_release_transport(qla2xxx_transport_vport_template);
3396 }
3397
3398 module_init(qla2x00_module_init);
3399 module_exit(qla2x00_module_exit);
3400
3401 MODULE_AUTHOR("QLogic Corporation");
3402 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
3403 MODULE_LICENSE("GPL");
3404 MODULE_VERSION(QLA2XXX_VERSION);
3405 MODULE_FIRMWARE(FW_FILE_ISP21XX);
3406 MODULE_FIRMWARE(FW_FILE_ISP22XX);
3407 MODULE_FIRMWARE(FW_FILE_ISP2300);
3408 MODULE_FIRMWARE(FW_FILE_ISP2322);
3409 MODULE_FIRMWARE(FW_FILE_ISP24XX);
3410 MODULE_FIRMWARE(FW_FILE_ISP25XX);
3411 MODULE_FIRMWARE(FW_FILE_ISP81XX);
Linux kernel - Deliverables
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