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[SCSI] qla2xxx: Remove scsi_cmnd->serial_number from debug traces
[mirror_ubuntu-bionic-kernel.git] / drivers / scsi / qla2xxx / qla_os.c
1 /*
2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2010 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 #include <linux/kobject.h>
15 #include <linux/slab.h>
16
17 #include <scsi/scsi_tcq.h>
18 #include <scsi/scsicam.h>
19 #include <scsi/scsi_transport.h>
20 #include <scsi/scsi_transport_fc.h>
21
22 /*
23 * Driver version
24 */
25 char qla2x00_version_str[40];
26
27 static int apidev_major;
28
29 /*
30 * SRB allocation cache
31 */
32 static struct kmem_cache *srb_cachep;
33
34 /*
35 * CT6 CTX allocation cache
36 */
37 static struct kmem_cache *ctx_cachep;
38
39 int ql2xlogintimeout = 20;
40 module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR);
41 MODULE_PARM_DESC(ql2xlogintimeout,
42 "Login timeout value in seconds.");
43
44 int qlport_down_retry;
45 module_param(qlport_down_retry, int, S_IRUGO|S_IRUSR);
46 MODULE_PARM_DESC(qlport_down_retry,
47 "Maximum number of command retries to a port that returns "
48 "a PORT-DOWN status.");
49
50 int ql2xplogiabsentdevice;
51 module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
52 MODULE_PARM_DESC(ql2xplogiabsentdevice,
53 "Option to enable PLOGI to devices that are not present after "
54 "a Fabric scan. This is needed for several broken switches. "
55 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
56
57 int ql2xloginretrycount = 0;
58 module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR);
59 MODULE_PARM_DESC(ql2xloginretrycount,
60 "Specify an alternate value for the NVRAM login retry count.");
61
62 int ql2xallocfwdump = 1;
63 module_param(ql2xallocfwdump, int, S_IRUGO|S_IRUSR);
64 MODULE_PARM_DESC(ql2xallocfwdump,
65 "Option to enable allocation of memory for a firmware dump "
66 "during HBA initialization. Memory allocation requirements "
67 "vary by ISP type. Default is 1 - allocate memory.");
68
69 int ql2xextended_error_logging;
70 module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
71 MODULE_PARM_DESC(ql2xextended_error_logging,
72 "Option to enable extended error logging, "
73 "Default is 0 - no logging. 1 - log errors.");
74
75 int ql2xshiftctondsd = 6;
76 module_param(ql2xshiftctondsd, int, S_IRUGO|S_IRUSR);
77 MODULE_PARM_DESC(ql2xshiftctondsd,
78 "Set to control shifting of command type processing "
79 "based on total number of SG elements.");
80
81 static void qla2x00_free_device(scsi_qla_host_t *);
82
83 int ql2xfdmienable=1;
84 module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR);
85 MODULE_PARM_DESC(ql2xfdmienable,
86 "Enables FDMI registrations. "
87 "0 - no FDMI. Default is 1 - perform FDMI.");
88
89 #define MAX_Q_DEPTH 32
90 static int ql2xmaxqdepth = MAX_Q_DEPTH;
91 module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
92 MODULE_PARM_DESC(ql2xmaxqdepth,
93 "Maximum queue depth to report for target devices.");
94
95 /* Do not change the value of this after module load */
96 int ql2xenabledif = 1;
97 module_param(ql2xenabledif, int, S_IRUGO|S_IWUSR);
98 MODULE_PARM_DESC(ql2xenabledif,
99 " Enable T10-CRC-DIF "
100 " Default is 0 - No DIF Support. 1 - Enable it");
101
102 int ql2xenablehba_err_chk;
103 module_param(ql2xenablehba_err_chk, int, S_IRUGO|S_IWUSR);
104 MODULE_PARM_DESC(ql2xenablehba_err_chk,
105 " Enable T10-CRC-DIF Error isolation by HBA"
106 " Default is 0 - Error isolation disabled, 1 - Enable it");
107
108 int ql2xiidmaenable=1;
109 module_param(ql2xiidmaenable, int, S_IRUGO|S_IRUSR);
110 MODULE_PARM_DESC(ql2xiidmaenable,
111 "Enables iIDMA settings "
112 "Default is 1 - perform iIDMA. 0 - no iIDMA.");
113
114 int ql2xmaxqueues = 1;
115 module_param(ql2xmaxqueues, int, S_IRUGO|S_IRUSR);
116 MODULE_PARM_DESC(ql2xmaxqueues,
117 "Enables MQ settings "
118 "Default is 1 for single queue. Set it to number "
119 "of queues in MQ mode.");
120
121 int ql2xmultique_tag;
122 module_param(ql2xmultique_tag, int, S_IRUGO|S_IRUSR);
123 MODULE_PARM_DESC(ql2xmultique_tag,
124 "Enables CPU affinity settings for the driver "
125 "Default is 0 for no affinity of request and response IO. "
126 "Set it to 1 to turn on the cpu affinity.");
127
128 int ql2xfwloadbin;
129 module_param(ql2xfwloadbin, int, S_IRUGO|S_IRUSR);
130 MODULE_PARM_DESC(ql2xfwloadbin,
131 "Option to specify location from which to load ISP firmware:\n"
132 " 2 -- load firmware via the request_firmware() (hotplug)\n"
133 " interface.\n"
134 " 1 -- load firmware from flash.\n"
135 " 0 -- use default semantics.\n");
136
137 int ql2xetsenable;
138 module_param(ql2xetsenable, int, S_IRUGO|S_IRUSR);
139 MODULE_PARM_DESC(ql2xetsenable,
140 "Enables firmware ETS burst."
141 "Default is 0 - skip ETS enablement.");
142
143 int ql2xdbwr = 1;
144 module_param(ql2xdbwr, int, S_IRUGO|S_IRUSR);
145 MODULE_PARM_DESC(ql2xdbwr,
146 "Option to specify scheme for request queue posting\n"
147 " 0 -- Regular doorbell.\n"
148 " 1 -- CAMRAM doorbell (faster).\n");
149
150 int ql2xdontresethba;
151 module_param(ql2xdontresethba, int, S_IRUGO|S_IRUSR);
152 MODULE_PARM_DESC(ql2xdontresethba,
153 "Option to specify reset behaviour\n"
154 " 0 (Default) -- Reset on failure.\n"
155 " 1 -- Do not reset on failure.\n");
156
157 int ql2xtargetreset = 1;
158 module_param(ql2xtargetreset, int, S_IRUGO|S_IRUSR);
159 MODULE_PARM_DESC(ql2xtargetreset,
160 "Enable target reset."
161 "Default is 1 - use hw defaults.");
162
163 int ql2xgffidenable;
164 module_param(ql2xgffidenable, int, S_IRUGO|S_IRUSR);
165 MODULE_PARM_DESC(ql2xgffidenable,
166 "Enables GFF_ID checks of port type. "
167 "Default is 0 - Do not use GFF_ID information.");
168
169 int ql2xasynctmfenable;
170 module_param(ql2xasynctmfenable, int, S_IRUGO|S_IRUSR);
171 MODULE_PARM_DESC(ql2xasynctmfenable,
172 "Enables issue of TM IOCBs asynchronously via IOCB mechanism"
173 "Default is 0 - Issue TM IOCBs via mailbox mechanism.");
174 /*
175 * SCSI host template entry points
176 */
177 static int qla2xxx_slave_configure(struct scsi_device * device);
178 static int qla2xxx_slave_alloc(struct scsi_device *);
179 static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
180 static void qla2xxx_scan_start(struct Scsi_Host *);
181 static void qla2xxx_slave_destroy(struct scsi_device *);
182 static int qla2xxx_queuecommand(struct scsi_cmnd *cmd,
183 void (*fn)(struct scsi_cmnd *));
184 static int qla2xxx_eh_abort(struct scsi_cmnd *);
185 static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
186 static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
187 static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
188 static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
189
190 static int qla2x00_change_queue_depth(struct scsi_device *, int, int);
191 static int qla2x00_change_queue_type(struct scsi_device *, int);
192
193 struct scsi_host_template qla2xxx_driver_template = {
194 .module = THIS_MODULE,
195 .name = QLA2XXX_DRIVER_NAME,
196 .queuecommand = qla2xxx_queuecommand,
197
198 .eh_abort_handler = qla2xxx_eh_abort,
199 .eh_device_reset_handler = qla2xxx_eh_device_reset,
200 .eh_target_reset_handler = qla2xxx_eh_target_reset,
201 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
202 .eh_host_reset_handler = qla2xxx_eh_host_reset,
203
204 .slave_configure = qla2xxx_slave_configure,
205
206 .slave_alloc = qla2xxx_slave_alloc,
207 .slave_destroy = qla2xxx_slave_destroy,
208 .scan_finished = qla2xxx_scan_finished,
209 .scan_start = qla2xxx_scan_start,
210 .change_queue_depth = qla2x00_change_queue_depth,
211 .change_queue_type = qla2x00_change_queue_type,
212 .this_id = -1,
213 .cmd_per_lun = 3,
214 .use_clustering = ENABLE_CLUSTERING,
215 .sg_tablesize = SG_ALL,
216
217 .max_sectors = 0xFFFF,
218 .shost_attrs = qla2x00_host_attrs,
219 };
220
221 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
222 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
223
224 /* TODO Convert to inlines
225 *
226 * Timer routines
227 */
228
229 __inline__ void
230 qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval)
231 {
232 init_timer(&vha->timer);
233 vha->timer.expires = jiffies + interval * HZ;
234 vha->timer.data = (unsigned long)vha;
235 vha->timer.function = (void (*)(unsigned long))func;
236 add_timer(&vha->timer);
237 vha->timer_active = 1;
238 }
239
240 static inline void
241 qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
242 {
243 /* Currently used for 82XX only. */
244 if (vha->device_flags & DFLG_DEV_FAILED)
245 return;
246
247 mod_timer(&vha->timer, jiffies + interval * HZ);
248 }
249
250 static __inline__ void
251 qla2x00_stop_timer(scsi_qla_host_t *vha)
252 {
253 del_timer_sync(&vha->timer);
254 vha->timer_active = 0;
255 }
256
257 static int qla2x00_do_dpc(void *data);
258
259 static void qla2x00_rst_aen(scsi_qla_host_t *);
260
261 static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
262 struct req_que **, struct rsp_que **);
263 static void qla2x00_mem_free(struct qla_hw_data *);
264 static void qla2x00_sp_free_dma(srb_t *);
265
266 /* -------------------------------------------------------------------------- */
267 static int qla2x00_alloc_queues(struct qla_hw_data *ha)
268 {
269 ha->req_q_map = kzalloc(sizeof(struct req_que *) * ha->max_req_queues,
270 GFP_KERNEL);
271 if (!ha->req_q_map) {
272 qla_printk(KERN_WARNING, ha,
273 "Unable to allocate memory for request queue ptrs\n");
274 goto fail_req_map;
275 }
276
277 ha->rsp_q_map = kzalloc(sizeof(struct rsp_que *) * ha->max_rsp_queues,
278 GFP_KERNEL);
279 if (!ha->rsp_q_map) {
280 qla_printk(KERN_WARNING, ha,
281 "Unable to allocate memory for response queue ptrs\n");
282 goto fail_rsp_map;
283 }
284 set_bit(0, ha->rsp_qid_map);
285 set_bit(0, ha->req_qid_map);
286 return 1;
287
288 fail_rsp_map:
289 kfree(ha->req_q_map);
290 ha->req_q_map = NULL;
291 fail_req_map:
292 return -ENOMEM;
293 }
294
295 static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
296 {
297 if (req && req->ring)
298 dma_free_coherent(&ha->pdev->dev,
299 (req->length + 1) * sizeof(request_t),
300 req->ring, req->dma);
301
302 kfree(req);
303 req = NULL;
304 }
305
306 static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
307 {
308 if (rsp && rsp->ring)
309 dma_free_coherent(&ha->pdev->dev,
310 (rsp->length + 1) * sizeof(response_t),
311 rsp->ring, rsp->dma);
312
313 kfree(rsp);
314 rsp = NULL;
315 }
316
317 static void qla2x00_free_queues(struct qla_hw_data *ha)
318 {
319 struct req_que *req;
320 struct rsp_que *rsp;
321 int cnt;
322
323 for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
324 req = ha->req_q_map[cnt];
325 qla2x00_free_req_que(ha, req);
326 }
327 kfree(ha->req_q_map);
328 ha->req_q_map = NULL;
329
330 for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
331 rsp = ha->rsp_q_map[cnt];
332 qla2x00_free_rsp_que(ha, rsp);
333 }
334 kfree(ha->rsp_q_map);
335 ha->rsp_q_map = NULL;
336 }
337
338 static int qla25xx_setup_mode(struct scsi_qla_host *vha)
339 {
340 uint16_t options = 0;
341 int ques, req, ret;
342 struct qla_hw_data *ha = vha->hw;
343
344 if (!(ha->fw_attributes & BIT_6)) {
345 qla_printk(KERN_INFO, ha,
346 "Firmware is not multi-queue capable\n");
347 goto fail;
348 }
349 if (ql2xmultique_tag) {
350 /* create a request queue for IO */
351 options |= BIT_7;
352 req = qla25xx_create_req_que(ha, options, 0, 0, -1,
353 QLA_DEFAULT_QUE_QOS);
354 if (!req) {
355 qla_printk(KERN_WARNING, ha,
356 "Can't create request queue\n");
357 goto fail;
358 }
359 ha->wq = create_workqueue("qla2xxx_wq");
360 vha->req = ha->req_q_map[req];
361 options |= BIT_1;
362 for (ques = 1; ques < ha->max_rsp_queues; ques++) {
363 ret = qla25xx_create_rsp_que(ha, options, 0, 0, req);
364 if (!ret) {
365 qla_printk(KERN_WARNING, ha,
366 "Response Queue create failed\n");
367 goto fail2;
368 }
369 }
370 ha->flags.cpu_affinity_enabled = 1;
371
372 DEBUG2(qla_printk(KERN_INFO, ha,
373 "CPU affinity mode enabled, no. of response"
374 " queues:%d, no. of request queues:%d\n",
375 ha->max_rsp_queues, ha->max_req_queues));
376 }
377 return 0;
378 fail2:
379 qla25xx_delete_queues(vha);
380 destroy_workqueue(ha->wq);
381 ha->wq = NULL;
382 fail:
383 ha->mqenable = 0;
384 kfree(ha->req_q_map);
385 kfree(ha->rsp_q_map);
386 ha->max_req_queues = ha->max_rsp_queues = 1;
387 return 1;
388 }
389
390 static char *
391 qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
392 {
393 struct qla_hw_data *ha = vha->hw;
394 static char *pci_bus_modes[] = {
395 "33", "66", "100", "133",
396 };
397 uint16_t pci_bus;
398
399 strcpy(str, "PCI");
400 pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
401 if (pci_bus) {
402 strcat(str, "-X (");
403 strcat(str, pci_bus_modes[pci_bus]);
404 } else {
405 pci_bus = (ha->pci_attr & BIT_8) >> 8;
406 strcat(str, " (");
407 strcat(str, pci_bus_modes[pci_bus]);
408 }
409 strcat(str, " MHz)");
410
411 return (str);
412 }
413
414 static char *
415 qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
416 {
417 static char *pci_bus_modes[] = { "33", "66", "100", "133", };
418 struct qla_hw_data *ha = vha->hw;
419 uint32_t pci_bus;
420 int pcie_reg;
421
422 pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
423 if (pcie_reg) {
424 char lwstr[6];
425 uint16_t pcie_lstat, lspeed, lwidth;
426
427 pcie_reg += 0x12;
428 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
429 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
430 lwidth = (pcie_lstat &
431 (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
432
433 strcpy(str, "PCIe (");
434 if (lspeed == 1)
435 strcat(str, "2.5GT/s ");
436 else if (lspeed == 2)
437 strcat(str, "5.0GT/s ");
438 else
439 strcat(str, "<unknown> ");
440 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
441 strcat(str, lwstr);
442
443 return str;
444 }
445
446 strcpy(str, "PCI");
447 pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
448 if (pci_bus == 0 || pci_bus == 8) {
449 strcat(str, " (");
450 strcat(str, pci_bus_modes[pci_bus >> 3]);
451 } else {
452 strcat(str, "-X ");
453 if (pci_bus & BIT_2)
454 strcat(str, "Mode 2");
455 else
456 strcat(str, "Mode 1");
457 strcat(str, " (");
458 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
459 }
460 strcat(str, " MHz)");
461
462 return str;
463 }
464
465 static char *
466 qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str)
467 {
468 char un_str[10];
469 struct qla_hw_data *ha = vha->hw;
470
471 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
472 ha->fw_minor_version,
473 ha->fw_subminor_version);
474
475 if (ha->fw_attributes & BIT_9) {
476 strcat(str, "FLX");
477 return (str);
478 }
479
480 switch (ha->fw_attributes & 0xFF) {
481 case 0x7:
482 strcat(str, "EF");
483 break;
484 case 0x17:
485 strcat(str, "TP");
486 break;
487 case 0x37:
488 strcat(str, "IP");
489 break;
490 case 0x77:
491 strcat(str, "VI");
492 break;
493 default:
494 sprintf(un_str, "(%x)", ha->fw_attributes);
495 strcat(str, un_str);
496 break;
497 }
498 if (ha->fw_attributes & 0x100)
499 strcat(str, "X");
500
501 return (str);
502 }
503
504 static char *
505 qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str)
506 {
507 struct qla_hw_data *ha = vha->hw;
508
509 sprintf(str, "%d.%02d.%02d (%x)", ha->fw_major_version,
510 ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
511 return str;
512 }
513
514 static inline srb_t *
515 qla2x00_get_new_sp(scsi_qla_host_t *vha, fc_port_t *fcport,
516 struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
517 {
518 srb_t *sp;
519 struct qla_hw_data *ha = vha->hw;
520
521 sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
522 if (!sp)
523 return sp;
524
525 atomic_set(&sp->ref_count, 1);
526 sp->fcport = fcport;
527 sp->cmd = cmd;
528 sp->flags = 0;
529 CMD_SP(cmd) = (void *)sp;
530 cmd->scsi_done = done;
531 sp->ctx = NULL;
532
533 return sp;
534 }
535
536 static int
537 qla2xxx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
538 {
539 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
540 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
541 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
542 struct qla_hw_data *ha = vha->hw;
543 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
544 srb_t *sp;
545 int rval;
546
547 if (ha->flags.eeh_busy) {
548 if (ha->flags.pci_channel_io_perm_failure)
549 cmd->result = DID_NO_CONNECT << 16;
550 else
551 cmd->result = DID_REQUEUE << 16;
552 goto qc24_fail_command;
553 }
554
555 rval = fc_remote_port_chkready(rport);
556 if (rval) {
557 cmd->result = rval;
558 goto qc24_fail_command;
559 }
560
561 /* Close window on fcport/rport state-transitioning. */
562 if (fcport->drport)
563 goto qc24_target_busy;
564
565 if (!vha->flags.difdix_supported &&
566 scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
567 DEBUG2(qla_printk(KERN_ERR, ha,
568 "DIF Cap Not Reg, fail DIF capable cmd's:%x\n",
569 cmd->cmnd[0]));
570 cmd->result = DID_NO_CONNECT << 16;
571 goto qc24_fail_command;
572 }
573 if (atomic_read(&fcport->state) != FCS_ONLINE) {
574 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
575 atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
576 cmd->result = DID_NO_CONNECT << 16;
577 goto qc24_fail_command;
578 }
579 goto qc24_target_busy;
580 }
581
582 spin_unlock_irq(vha->host->host_lock);
583
584 sp = qla2x00_get_new_sp(base_vha, fcport, cmd, done);
585 if (!sp)
586 goto qc24_host_busy_lock;
587
588 rval = ha->isp_ops->start_scsi(sp);
589 if (rval != QLA_SUCCESS)
590 goto qc24_host_busy_free_sp;
591
592 spin_lock_irq(vha->host->host_lock);
593
594 return 0;
595
596 qc24_host_busy_free_sp:
597 qla2x00_sp_free_dma(sp);
598 mempool_free(sp, ha->srb_mempool);
599
600 qc24_host_busy_lock:
601 spin_lock_irq(vha->host->host_lock);
602 return SCSI_MLQUEUE_HOST_BUSY;
603
604 qc24_target_busy:
605 return SCSI_MLQUEUE_TARGET_BUSY;
606
607 qc24_fail_command:
608 done(cmd);
609
610 return 0;
611 }
612
613
614 /*
615 * qla2x00_eh_wait_on_command
616 * Waits for the command to be returned by the Firmware for some
617 * max time.
618 *
619 * Input:
620 * cmd = Scsi Command to wait on.
621 *
622 * Return:
623 * Not Found : 0
624 * Found : 1
625 */
626 static int
627 qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
628 {
629 #define ABORT_POLLING_PERIOD 1000
630 #define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
631 unsigned long wait_iter = ABORT_WAIT_ITER;
632 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
633 struct qla_hw_data *ha = vha->hw;
634 int ret = QLA_SUCCESS;
635
636 if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) {
637 DEBUG17(qla_printk(KERN_WARNING, ha, "return:eh_wait\n"));
638 return ret;
639 }
640
641 while (CMD_SP(cmd) && wait_iter--) {
642 msleep(ABORT_POLLING_PERIOD);
643 }
644 if (CMD_SP(cmd))
645 ret = QLA_FUNCTION_FAILED;
646
647 return ret;
648 }
649
650 /*
651 * qla2x00_wait_for_hba_online
652 * Wait till the HBA is online after going through
653 * <= MAX_RETRIES_OF_ISP_ABORT or
654 * finally HBA is disabled ie marked offline
655 *
656 * Input:
657 * ha - pointer to host adapter structure
658 *
659 * Note:
660 * Does context switching-Release SPIN_LOCK
661 * (if any) before calling this routine.
662 *
663 * Return:
664 * Success (Adapter is online) : 0
665 * Failed (Adapter is offline/disabled) : 1
666 */
667 int
668 qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
669 {
670 int return_status;
671 unsigned long wait_online;
672 struct qla_hw_data *ha = vha->hw;
673 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
674
675 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
676 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
677 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
678 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
679 ha->dpc_active) && time_before(jiffies, wait_online)) {
680
681 msleep(1000);
682 }
683 if (base_vha->flags.online)
684 return_status = QLA_SUCCESS;
685 else
686 return_status = QLA_FUNCTION_FAILED;
687
688 return (return_status);
689 }
690
691 /*
692 * qla2x00_wait_for_reset_ready
693 * Wait till the HBA is online after going through
694 * <= MAX_RETRIES_OF_ISP_ABORT or
695 * finally HBA is disabled ie marked offline or flash
696 * operations are in progress.
697 *
698 * Input:
699 * ha - pointer to host adapter structure
700 *
701 * Note:
702 * Does context switching-Release SPIN_LOCK
703 * (if any) before calling this routine.
704 *
705 * Return:
706 * Success (Adapter is online/no flash ops) : 0
707 * Failed (Adapter is offline/disabled/flash ops in progress) : 1
708 */
709 static int
710 qla2x00_wait_for_reset_ready(scsi_qla_host_t *vha)
711 {
712 int return_status;
713 unsigned long wait_online;
714 struct qla_hw_data *ha = vha->hw;
715 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
716
717 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
718 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
719 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
720 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
721 ha->optrom_state != QLA_SWAITING ||
722 ha->dpc_active) && time_before(jiffies, wait_online))
723 msleep(1000);
724
725 if (base_vha->flags.online && ha->optrom_state == QLA_SWAITING)
726 return_status = QLA_SUCCESS;
727 else
728 return_status = QLA_FUNCTION_FAILED;
729
730 DEBUG2(printk("%s return_status=%d\n", __func__, return_status));
731
732 return return_status;
733 }
734
735 int
736 qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
737 {
738 int return_status;
739 unsigned long wait_reset;
740 struct qla_hw_data *ha = vha->hw;
741 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
742
743 wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
744 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
745 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
746 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
747 ha->dpc_active) && time_before(jiffies, wait_reset)) {
748
749 msleep(1000);
750
751 if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
752 ha->flags.chip_reset_done)
753 break;
754 }
755 if (ha->flags.chip_reset_done)
756 return_status = QLA_SUCCESS;
757 else
758 return_status = QLA_FUNCTION_FAILED;
759
760 return return_status;
761 }
762
763 /*
764 * qla2x00_wait_for_loop_ready
765 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
766 * to be in LOOP_READY state.
767 * Input:
768 * ha - pointer to host adapter structure
769 *
770 * Note:
771 * Does context switching-Release SPIN_LOCK
772 * (if any) before calling this routine.
773 *
774 *
775 * Return:
776 * Success (LOOP_READY) : 0
777 * Failed (LOOP_NOT_READY) : 1
778 */
779 static inline int
780 qla2x00_wait_for_loop_ready(scsi_qla_host_t *vha)
781 {
782 int return_status = QLA_SUCCESS;
783 unsigned long loop_timeout ;
784 struct qla_hw_data *ha = vha->hw;
785 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
786
787 /* wait for 5 min at the max for loop to be ready */
788 loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
789
790 while ((!atomic_read(&base_vha->loop_down_timer) &&
791 atomic_read(&base_vha->loop_state) == LOOP_DOWN) ||
792 atomic_read(&base_vha->loop_state) != LOOP_READY) {
793 if (atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
794 return_status = QLA_FUNCTION_FAILED;
795 break;
796 }
797 msleep(1000);
798 if (time_after_eq(jiffies, loop_timeout)) {
799 return_status = QLA_FUNCTION_FAILED;
800 break;
801 }
802 }
803 return (return_status);
804 }
805
806 static void
807 sp_get(struct srb *sp)
808 {
809 atomic_inc(&sp->ref_count);
810 }
811
812 /**************************************************************************
813 * qla2xxx_eh_abort
814 *
815 * Description:
816 * The abort function will abort the specified command.
817 *
818 * Input:
819 * cmd = Linux SCSI command packet to be aborted.
820 *
821 * Returns:
822 * Either SUCCESS or FAILED.
823 *
824 * Note:
825 * Only return FAILED if command not returned by firmware.
826 **************************************************************************/
827 static int
828 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
829 {
830 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
831 srb_t *sp;
832 int ret, i;
833 unsigned int id, lun;
834 unsigned long flags;
835 int wait = 0;
836 struct qla_hw_data *ha = vha->hw;
837 struct req_que *req = vha->req;
838 srb_t *spt;
839 int got_ref = 0;
840
841 fc_block_scsi_eh(cmd);
842
843 if (!CMD_SP(cmd))
844 return SUCCESS;
845
846 ret = SUCCESS;
847
848 id = cmd->device->id;
849 lun = cmd->device->lun;
850 spt = (srb_t *) CMD_SP(cmd);
851 if (!spt)
852 return SUCCESS;
853
854 /* Check active list for command command. */
855 spin_lock_irqsave(&ha->hardware_lock, flags);
856 for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
857 sp = req->outstanding_cmds[i];
858
859 if (sp == NULL)
860 continue;
861 if ((sp->ctx) && !(sp->flags & SRB_FCP_CMND_DMA_VALID) &&
862 !IS_PROT_IO(sp))
863 continue;
864 if (sp->cmd != cmd)
865 continue;
866
867 DEBUG2(printk("%s(%ld): aborting sp %p from RISC.",
868 __func__, vha->host_no, sp));
869
870 /* Get a reference to the sp and drop the lock.*/
871 sp_get(sp);
872 got_ref++;
873
874 spin_unlock_irqrestore(&ha->hardware_lock, flags);
875 if (ha->isp_ops->abort_command(sp)) {
876 DEBUG2(printk("%s(%ld): abort_command "
877 "mbx failed.\n", __func__, vha->host_no));
878 ret = FAILED;
879 } else {
880 DEBUG3(printk("%s(%ld): abort_command "
881 "mbx success.\n", __func__, vha->host_no));
882 wait = 1;
883 }
884 spin_lock_irqsave(&ha->hardware_lock, flags);
885 break;
886 }
887 spin_unlock_irqrestore(&ha->hardware_lock, flags);
888
889 /* Wait for the command to be returned. */
890 if (wait) {
891 if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
892 qla_printk(KERN_ERR, ha,
893 "scsi(%ld:%d:%d): Abort handler timed out -- %x.\n",
894 vha->host_no, id, lun, ret);
895 ret = FAILED;
896 }
897 }
898
899 if (got_ref)
900 qla2x00_sp_compl(ha, sp);
901
902 qla_printk(KERN_INFO, ha,
903 "scsi(%ld:%d:%d): Abort command issued -- %d %x.\n",
904 vha->host_no, id, lun, wait, ret);
905
906 return ret;
907 }
908
909 int
910 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
911 unsigned int l, enum nexus_wait_type type)
912 {
913 int cnt, match, status;
914 unsigned long flags;
915 struct qla_hw_data *ha = vha->hw;
916 struct req_que *req;
917 srb_t *sp;
918
919 status = QLA_SUCCESS;
920
921 spin_lock_irqsave(&ha->hardware_lock, flags);
922 req = vha->req;
923 for (cnt = 1; status == QLA_SUCCESS &&
924 cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
925 sp = req->outstanding_cmds[cnt];
926 if (!sp)
927 continue;
928 if ((sp->ctx) && !IS_PROT_IO(sp))
929 continue;
930 if (vha->vp_idx != sp->fcport->vha->vp_idx)
931 continue;
932 match = 0;
933 switch (type) {
934 case WAIT_HOST:
935 match = 1;
936 break;
937 case WAIT_TARGET:
938 match = sp->cmd->device->id == t;
939 break;
940 case WAIT_LUN:
941 match = (sp->cmd->device->id == t &&
942 sp->cmd->device->lun == l);
943 break;
944 }
945 if (!match)
946 continue;
947
948 spin_unlock_irqrestore(&ha->hardware_lock, flags);
949 status = qla2x00_eh_wait_on_command(sp->cmd);
950 spin_lock_irqsave(&ha->hardware_lock, flags);
951 }
952 spin_unlock_irqrestore(&ha->hardware_lock, flags);
953
954 return status;
955 }
956
957 static char *reset_errors[] = {
958 "HBA not online",
959 "HBA not ready",
960 "Task management failed",
961 "Waiting for command completions",
962 };
963
964 static int
965 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
966 struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int, int))
967 {
968 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
969 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
970 int err;
971
972 fc_block_scsi_eh(cmd);
973
974 if (!fcport)
975 return FAILED;
976
977 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET ISSUED.\n",
978 vha->host_no, cmd->device->id, cmd->device->lun, name);
979
980 err = 0;
981 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
982 goto eh_reset_failed;
983 err = 1;
984 if (qla2x00_wait_for_loop_ready(vha) != QLA_SUCCESS)
985 goto eh_reset_failed;
986 err = 2;
987 if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
988 != QLA_SUCCESS)
989 goto eh_reset_failed;
990 err = 3;
991 if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
992 cmd->device->lun, type) != QLA_SUCCESS)
993 goto eh_reset_failed;
994
995 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n",
996 vha->host_no, cmd->device->id, cmd->device->lun, name);
997
998 return SUCCESS;
999
1000 eh_reset_failed:
1001 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n"
1002 , vha->host_no, cmd->device->id, cmd->device->lun, name,
1003 reset_errors[err]);
1004 return FAILED;
1005 }
1006
1007 static int
1008 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
1009 {
1010 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1011 struct qla_hw_data *ha = vha->hw;
1012
1013 return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
1014 ha->isp_ops->lun_reset);
1015 }
1016
1017 static int
1018 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1019 {
1020 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1021 struct qla_hw_data *ha = vha->hw;
1022
1023 return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
1024 ha->isp_ops->target_reset);
1025 }
1026
1027 /**************************************************************************
1028 * qla2xxx_eh_bus_reset
1029 *
1030 * Description:
1031 * The bus reset function will reset the bus and abort any executing
1032 * commands.
1033 *
1034 * Input:
1035 * cmd = Linux SCSI command packet of the command that cause the
1036 * bus reset.
1037 *
1038 * Returns:
1039 * SUCCESS/FAILURE (defined as macro in scsi.h).
1040 *
1041 **************************************************************************/
1042 static int
1043 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
1044 {
1045 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1046 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1047 int ret = FAILED;
1048 unsigned int id, lun;
1049
1050 fc_block_scsi_eh(cmd);
1051
1052 id = cmd->device->id;
1053 lun = cmd->device->lun;
1054
1055 if (!fcport)
1056 return ret;
1057
1058 qla_printk(KERN_INFO, vha->hw,
1059 "scsi(%ld:%d:%d): BUS RESET ISSUED.\n", vha->host_no, id, lun);
1060
1061 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1062 DEBUG2(printk("%s failed:board disabled\n",__func__));
1063 goto eh_bus_reset_done;
1064 }
1065
1066 if (qla2x00_wait_for_loop_ready(vha) == QLA_SUCCESS) {
1067 if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
1068 ret = SUCCESS;
1069 }
1070 if (ret == FAILED)
1071 goto eh_bus_reset_done;
1072
1073 /* Flush outstanding commands. */
1074 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) !=
1075 QLA_SUCCESS)
1076 ret = FAILED;
1077
1078 eh_bus_reset_done:
1079 qla_printk(KERN_INFO, vha->hw, "%s: reset %s\n", __func__,
1080 (ret == FAILED) ? "failed" : "succeded");
1081
1082 return ret;
1083 }
1084
1085 /**************************************************************************
1086 * qla2xxx_eh_host_reset
1087 *
1088 * Description:
1089 * The reset function will reset the Adapter.
1090 *
1091 * Input:
1092 * cmd = Linux SCSI command packet of the command that cause the
1093 * adapter reset.
1094 *
1095 * Returns:
1096 * Either SUCCESS or FAILED.
1097 *
1098 * Note:
1099 **************************************************************************/
1100 static int
1101 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1102 {
1103 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1104 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1105 struct qla_hw_data *ha = vha->hw;
1106 int ret = FAILED;
1107 unsigned int id, lun;
1108 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1109
1110 fc_block_scsi_eh(cmd);
1111
1112 id = cmd->device->id;
1113 lun = cmd->device->lun;
1114
1115 if (!fcport)
1116 return ret;
1117
1118 qla_printk(KERN_INFO, ha,
1119 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", vha->host_no, id, lun);
1120
1121 if (qla2x00_wait_for_reset_ready(vha) != QLA_SUCCESS)
1122 goto eh_host_reset_lock;
1123
1124 /*
1125 * Fixme-may be dpc thread is active and processing
1126 * loop_resync,so wait a while for it to
1127 * be completed and then issue big hammer.Otherwise
1128 * it may cause I/O failure as big hammer marks the
1129 * devices as lost kicking of the port_down_timer
1130 * while dpc is stuck for the mailbox to complete.
1131 */
1132 qla2x00_wait_for_loop_ready(vha);
1133 if (vha != base_vha) {
1134 if (qla2x00_vp_abort_isp(vha))
1135 goto eh_host_reset_lock;
1136 } else {
1137 if (IS_QLA82XX(vha->hw)) {
1138 if (!qla82xx_fcoe_ctx_reset(vha)) {
1139 /* Ctx reset success */
1140 ret = SUCCESS;
1141 goto eh_host_reset_lock;
1142 }
1143 /* fall thru if ctx reset failed */
1144 }
1145 if (ha->wq)
1146 flush_workqueue(ha->wq);
1147
1148 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1149 if (ha->isp_ops->abort_isp(base_vha)) {
1150 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1151 /* failed. schedule dpc to try */
1152 set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1153
1154 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
1155 goto eh_host_reset_lock;
1156 }
1157 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1158 }
1159
1160 /* Waiting for command to be returned to OS.*/
1161 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) ==
1162 QLA_SUCCESS)
1163 ret = SUCCESS;
1164
1165 eh_host_reset_lock:
1166 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1167 (ret == FAILED) ? "failed" : "succeded");
1168
1169 return ret;
1170 }
1171
1172 /*
1173 * qla2x00_loop_reset
1174 * Issue loop reset.
1175 *
1176 * Input:
1177 * ha = adapter block pointer.
1178 *
1179 * Returns:
1180 * 0 = success
1181 */
1182 int
1183 qla2x00_loop_reset(scsi_qla_host_t *vha)
1184 {
1185 int ret;
1186 struct fc_port *fcport;
1187 struct qla_hw_data *ha = vha->hw;
1188
1189 if (ql2xtargetreset == 1 && ha->flags.enable_target_reset) {
1190 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1191 if (fcport->port_type != FCT_TARGET)
1192 continue;
1193
1194 ret = ha->isp_ops->target_reset(fcport, 0, 0);
1195 if (ret != QLA_SUCCESS) {
1196 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1197 "target_reset=%d d_id=%x.\n", __func__,
1198 vha->host_no, ret, fcport->d_id.b24));
1199 }
1200 }
1201 }
1202
1203 if (ha->flags.enable_lip_full_login && !IS_QLA8XXX_TYPE(ha)) {
1204 ret = qla2x00_full_login_lip(vha);
1205 if (ret != QLA_SUCCESS) {
1206 DEBUG2_3(printk("%s(%ld): failed: "
1207 "full_login_lip=%d.\n", __func__, vha->host_no,
1208 ret));
1209 }
1210 atomic_set(&vha->loop_state, LOOP_DOWN);
1211 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1212 qla2x00_mark_all_devices_lost(vha, 0);
1213 qla2x00_wait_for_loop_ready(vha);
1214 }
1215
1216 if (ha->flags.enable_lip_reset) {
1217 ret = qla2x00_lip_reset(vha);
1218 if (ret != QLA_SUCCESS) {
1219 DEBUG2_3(printk("%s(%ld): failed: "
1220 "lip_reset=%d.\n", __func__, vha->host_no, ret));
1221 } else
1222 qla2x00_wait_for_loop_ready(vha);
1223 }
1224
1225 /* Issue marker command only when we are going to start the I/O */
1226 vha->marker_needed = 1;
1227
1228 return QLA_SUCCESS;
1229 }
1230
1231 void
1232 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1233 {
1234 int que, cnt;
1235 unsigned long flags;
1236 srb_t *sp;
1237 struct srb_ctx *ctx;
1238 struct qla_hw_data *ha = vha->hw;
1239 struct req_que *req;
1240
1241 spin_lock_irqsave(&ha->hardware_lock, flags);
1242 for (que = 0; que < ha->max_req_queues; que++) {
1243 req = ha->req_q_map[que];
1244 if (!req)
1245 continue;
1246 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1247 sp = req->outstanding_cmds[cnt];
1248 if (sp) {
1249 req->outstanding_cmds[cnt] = NULL;
1250 if (!sp->ctx ||
1251 (sp->flags & SRB_FCP_CMND_DMA_VALID) ||
1252 IS_PROT_IO(sp)) {
1253 sp->cmd->result = res;
1254 qla2x00_sp_compl(ha, sp);
1255 } else {
1256 ctx = sp->ctx;
1257 if (ctx->type == SRB_LOGIN_CMD ||
1258 ctx->type == SRB_LOGOUT_CMD) {
1259 ctx->u.iocb_cmd->free(sp);
1260 } else {
1261 struct fc_bsg_job *bsg_job =
1262 ctx->u.bsg_job;
1263 if (bsg_job->request->msgcode
1264 == FC_BSG_HST_CT)
1265 kfree(sp->fcport);
1266 bsg_job->req->errors = 0;
1267 bsg_job->reply->result = res;
1268 bsg_job->job_done(bsg_job);
1269 kfree(sp->ctx);
1270 mempool_free(sp,
1271 ha->srb_mempool);
1272 }
1273 }
1274 }
1275 }
1276 }
1277 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1278 }
1279
1280 static int
1281 qla2xxx_slave_alloc(struct scsi_device *sdev)
1282 {
1283 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1284
1285 if (!rport || fc_remote_port_chkready(rport))
1286 return -ENXIO;
1287
1288 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1289
1290 return 0;
1291 }
1292
1293 static int
1294 qla2xxx_slave_configure(struct scsi_device *sdev)
1295 {
1296 scsi_qla_host_t *vha = shost_priv(sdev->host);
1297 struct req_que *req = vha->req;
1298
1299 if (sdev->tagged_supported)
1300 scsi_activate_tcq(sdev, req->max_q_depth);
1301 else
1302 scsi_deactivate_tcq(sdev, req->max_q_depth);
1303 return 0;
1304 }
1305
1306 static void
1307 qla2xxx_slave_destroy(struct scsi_device *sdev)
1308 {
1309 sdev->hostdata = NULL;
1310 }
1311
1312 static void qla2x00_handle_queue_full(struct scsi_device *sdev, int qdepth)
1313 {
1314 fc_port_t *fcport = (struct fc_port *) sdev->hostdata;
1315
1316 if (!scsi_track_queue_full(sdev, qdepth))
1317 return;
1318
1319 DEBUG2(qla_printk(KERN_INFO, fcport->vha->hw,
1320 "scsi(%ld:%d:%d:%d): Queue depth adjusted-down to %d.\n",
1321 fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun,
1322 sdev->queue_depth));
1323 }
1324
1325 static void qla2x00_adjust_sdev_qdepth_up(struct scsi_device *sdev, int qdepth)
1326 {
1327 fc_port_t *fcport = sdev->hostdata;
1328 struct scsi_qla_host *vha = fcport->vha;
1329 struct qla_hw_data *ha = vha->hw;
1330 struct req_que *req = NULL;
1331
1332 req = vha->req;
1333 if (!req)
1334 return;
1335
1336 if (req->max_q_depth <= sdev->queue_depth || req->max_q_depth < qdepth)
1337 return;
1338
1339 if (sdev->ordered_tags)
1340 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, qdepth);
1341 else
1342 scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, qdepth);
1343
1344 DEBUG2(qla_printk(KERN_INFO, ha,
1345 "scsi(%ld:%d:%d:%d): Queue depth adjusted-up to %d.\n",
1346 fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun,
1347 sdev->queue_depth));
1348 }
1349
1350 static int
1351 qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
1352 {
1353 switch (reason) {
1354 case SCSI_QDEPTH_DEFAULT:
1355 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1356 break;
1357 case SCSI_QDEPTH_QFULL:
1358 qla2x00_handle_queue_full(sdev, qdepth);
1359 break;
1360 case SCSI_QDEPTH_RAMP_UP:
1361 qla2x00_adjust_sdev_qdepth_up(sdev, qdepth);
1362 break;
1363 default:
1364 return -EOPNOTSUPP;
1365 }
1366
1367 return sdev->queue_depth;
1368 }
1369
1370 static int
1371 qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1372 {
1373 if (sdev->tagged_supported) {
1374 scsi_set_tag_type(sdev, tag_type);
1375 if (tag_type)
1376 scsi_activate_tcq(sdev, sdev->queue_depth);
1377 else
1378 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1379 } else
1380 tag_type = 0;
1381
1382 return tag_type;
1383 }
1384
1385 /**
1386 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1387 * @ha: HA context
1388 *
1389 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1390 * supported addressing method.
1391 */
1392 static void
1393 qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1394 {
1395 /* Assume a 32bit DMA mask. */
1396 ha->flags.enable_64bit_addressing = 0;
1397
1398 if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1399 /* Any upper-dword bits set? */
1400 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1401 !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
1402 /* Ok, a 64bit DMA mask is applicable. */
1403 ha->flags.enable_64bit_addressing = 1;
1404 ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1405 ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1406 return;
1407 }
1408 }
1409
1410 dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1411 pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1412 }
1413
1414 static void
1415 qla2x00_enable_intrs(struct qla_hw_data *ha)
1416 {
1417 unsigned long flags = 0;
1418 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1419
1420 spin_lock_irqsave(&ha->hardware_lock, flags);
1421 ha->interrupts_on = 1;
1422 /* enable risc and host interrupts */
1423 WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1424 RD_REG_WORD(&reg->ictrl);
1425 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1426
1427 }
1428
1429 static void
1430 qla2x00_disable_intrs(struct qla_hw_data *ha)
1431 {
1432 unsigned long flags = 0;
1433 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1434
1435 spin_lock_irqsave(&ha->hardware_lock, flags);
1436 ha->interrupts_on = 0;
1437 /* disable risc and host interrupts */
1438 WRT_REG_WORD(&reg->ictrl, 0);
1439 RD_REG_WORD(&reg->ictrl);
1440 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1441 }
1442
1443 static void
1444 qla24xx_enable_intrs(struct qla_hw_data *ha)
1445 {
1446 unsigned long flags = 0;
1447 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1448
1449 spin_lock_irqsave(&ha->hardware_lock, flags);
1450 ha->interrupts_on = 1;
1451 WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1452 RD_REG_DWORD(&reg->ictrl);
1453 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1454 }
1455
1456 static void
1457 qla24xx_disable_intrs(struct qla_hw_data *ha)
1458 {
1459 unsigned long flags = 0;
1460 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1461
1462 if (IS_NOPOLLING_TYPE(ha))
1463 return;
1464 spin_lock_irqsave(&ha->hardware_lock, flags);
1465 ha->interrupts_on = 0;
1466 WRT_REG_DWORD(&reg->ictrl, 0);
1467 RD_REG_DWORD(&reg->ictrl);
1468 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1469 }
1470
1471 static struct isp_operations qla2100_isp_ops = {
1472 .pci_config = qla2100_pci_config,
1473 .reset_chip = qla2x00_reset_chip,
1474 .chip_diag = qla2x00_chip_diag,
1475 .config_rings = qla2x00_config_rings,
1476 .reset_adapter = qla2x00_reset_adapter,
1477 .nvram_config = qla2x00_nvram_config,
1478 .update_fw_options = qla2x00_update_fw_options,
1479 .load_risc = qla2x00_load_risc,
1480 .pci_info_str = qla2x00_pci_info_str,
1481 .fw_version_str = qla2x00_fw_version_str,
1482 .intr_handler = qla2100_intr_handler,
1483 .enable_intrs = qla2x00_enable_intrs,
1484 .disable_intrs = qla2x00_disable_intrs,
1485 .abort_command = qla2x00_abort_command,
1486 .target_reset = qla2x00_abort_target,
1487 .lun_reset = qla2x00_lun_reset,
1488 .fabric_login = qla2x00_login_fabric,
1489 .fabric_logout = qla2x00_fabric_logout,
1490 .calc_req_entries = qla2x00_calc_iocbs_32,
1491 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1492 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1493 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1494 .read_nvram = qla2x00_read_nvram_data,
1495 .write_nvram = qla2x00_write_nvram_data,
1496 .fw_dump = qla2100_fw_dump,
1497 .beacon_on = NULL,
1498 .beacon_off = NULL,
1499 .beacon_blink = NULL,
1500 .read_optrom = qla2x00_read_optrom_data,
1501 .write_optrom = qla2x00_write_optrom_data,
1502 .get_flash_version = qla2x00_get_flash_version,
1503 .start_scsi = qla2x00_start_scsi,
1504 .abort_isp = qla2x00_abort_isp,
1505 };
1506
1507 static struct isp_operations qla2300_isp_ops = {
1508 .pci_config = qla2300_pci_config,
1509 .reset_chip = qla2x00_reset_chip,
1510 .chip_diag = qla2x00_chip_diag,
1511 .config_rings = qla2x00_config_rings,
1512 .reset_adapter = qla2x00_reset_adapter,
1513 .nvram_config = qla2x00_nvram_config,
1514 .update_fw_options = qla2x00_update_fw_options,
1515 .load_risc = qla2x00_load_risc,
1516 .pci_info_str = qla2x00_pci_info_str,
1517 .fw_version_str = qla2x00_fw_version_str,
1518 .intr_handler = qla2300_intr_handler,
1519 .enable_intrs = qla2x00_enable_intrs,
1520 .disable_intrs = qla2x00_disable_intrs,
1521 .abort_command = qla2x00_abort_command,
1522 .target_reset = qla2x00_abort_target,
1523 .lun_reset = qla2x00_lun_reset,
1524 .fabric_login = qla2x00_login_fabric,
1525 .fabric_logout = qla2x00_fabric_logout,
1526 .calc_req_entries = qla2x00_calc_iocbs_32,
1527 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1528 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1529 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1530 .read_nvram = qla2x00_read_nvram_data,
1531 .write_nvram = qla2x00_write_nvram_data,
1532 .fw_dump = qla2300_fw_dump,
1533 .beacon_on = qla2x00_beacon_on,
1534 .beacon_off = qla2x00_beacon_off,
1535 .beacon_blink = qla2x00_beacon_blink,
1536 .read_optrom = qla2x00_read_optrom_data,
1537 .write_optrom = qla2x00_write_optrom_data,
1538 .get_flash_version = qla2x00_get_flash_version,
1539 .start_scsi = qla2x00_start_scsi,
1540 .abort_isp = qla2x00_abort_isp,
1541 };
1542
1543 static struct isp_operations qla24xx_isp_ops = {
1544 .pci_config = qla24xx_pci_config,
1545 .reset_chip = qla24xx_reset_chip,
1546 .chip_diag = qla24xx_chip_diag,
1547 .config_rings = qla24xx_config_rings,
1548 .reset_adapter = qla24xx_reset_adapter,
1549 .nvram_config = qla24xx_nvram_config,
1550 .update_fw_options = qla24xx_update_fw_options,
1551 .load_risc = qla24xx_load_risc,
1552 .pci_info_str = qla24xx_pci_info_str,
1553 .fw_version_str = qla24xx_fw_version_str,
1554 .intr_handler = qla24xx_intr_handler,
1555 .enable_intrs = qla24xx_enable_intrs,
1556 .disable_intrs = qla24xx_disable_intrs,
1557 .abort_command = qla24xx_abort_command,
1558 .target_reset = qla24xx_abort_target,
1559 .lun_reset = qla24xx_lun_reset,
1560 .fabric_login = qla24xx_login_fabric,
1561 .fabric_logout = qla24xx_fabric_logout,
1562 .calc_req_entries = NULL,
1563 .build_iocbs = NULL,
1564 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1565 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1566 .read_nvram = qla24xx_read_nvram_data,
1567 .write_nvram = qla24xx_write_nvram_data,
1568 .fw_dump = qla24xx_fw_dump,
1569 .beacon_on = qla24xx_beacon_on,
1570 .beacon_off = qla24xx_beacon_off,
1571 .beacon_blink = qla24xx_beacon_blink,
1572 .read_optrom = qla24xx_read_optrom_data,
1573 .write_optrom = qla24xx_write_optrom_data,
1574 .get_flash_version = qla24xx_get_flash_version,
1575 .start_scsi = qla24xx_start_scsi,
1576 .abort_isp = qla2x00_abort_isp,
1577 };
1578
1579 static struct isp_operations qla25xx_isp_ops = {
1580 .pci_config = qla25xx_pci_config,
1581 .reset_chip = qla24xx_reset_chip,
1582 .chip_diag = qla24xx_chip_diag,
1583 .config_rings = qla24xx_config_rings,
1584 .reset_adapter = qla24xx_reset_adapter,
1585 .nvram_config = qla24xx_nvram_config,
1586 .update_fw_options = qla24xx_update_fw_options,
1587 .load_risc = qla24xx_load_risc,
1588 .pci_info_str = qla24xx_pci_info_str,
1589 .fw_version_str = qla24xx_fw_version_str,
1590 .intr_handler = qla24xx_intr_handler,
1591 .enable_intrs = qla24xx_enable_intrs,
1592 .disable_intrs = qla24xx_disable_intrs,
1593 .abort_command = qla24xx_abort_command,
1594 .target_reset = qla24xx_abort_target,
1595 .lun_reset = qla24xx_lun_reset,
1596 .fabric_login = qla24xx_login_fabric,
1597 .fabric_logout = qla24xx_fabric_logout,
1598 .calc_req_entries = NULL,
1599 .build_iocbs = NULL,
1600 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1601 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1602 .read_nvram = qla25xx_read_nvram_data,
1603 .write_nvram = qla25xx_write_nvram_data,
1604 .fw_dump = qla25xx_fw_dump,
1605 .beacon_on = qla24xx_beacon_on,
1606 .beacon_off = qla24xx_beacon_off,
1607 .beacon_blink = qla24xx_beacon_blink,
1608 .read_optrom = qla25xx_read_optrom_data,
1609 .write_optrom = qla24xx_write_optrom_data,
1610 .get_flash_version = qla24xx_get_flash_version,
1611 .start_scsi = qla24xx_dif_start_scsi,
1612 .abort_isp = qla2x00_abort_isp,
1613 };
1614
1615 static struct isp_operations qla81xx_isp_ops = {
1616 .pci_config = qla25xx_pci_config,
1617 .reset_chip = qla24xx_reset_chip,
1618 .chip_diag = qla24xx_chip_diag,
1619 .config_rings = qla24xx_config_rings,
1620 .reset_adapter = qla24xx_reset_adapter,
1621 .nvram_config = qla81xx_nvram_config,
1622 .update_fw_options = qla81xx_update_fw_options,
1623 .load_risc = qla81xx_load_risc,
1624 .pci_info_str = qla24xx_pci_info_str,
1625 .fw_version_str = qla24xx_fw_version_str,
1626 .intr_handler = qla24xx_intr_handler,
1627 .enable_intrs = qla24xx_enable_intrs,
1628 .disable_intrs = qla24xx_disable_intrs,
1629 .abort_command = qla24xx_abort_command,
1630 .target_reset = qla24xx_abort_target,
1631 .lun_reset = qla24xx_lun_reset,
1632 .fabric_login = qla24xx_login_fabric,
1633 .fabric_logout = qla24xx_fabric_logout,
1634 .calc_req_entries = NULL,
1635 .build_iocbs = NULL,
1636 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1637 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1638 .read_nvram = NULL,
1639 .write_nvram = NULL,
1640 .fw_dump = qla81xx_fw_dump,
1641 .beacon_on = qla24xx_beacon_on,
1642 .beacon_off = qla24xx_beacon_off,
1643 .beacon_blink = qla24xx_beacon_blink,
1644 .read_optrom = qla25xx_read_optrom_data,
1645 .write_optrom = qla24xx_write_optrom_data,
1646 .get_flash_version = qla24xx_get_flash_version,
1647 .start_scsi = qla24xx_dif_start_scsi,
1648 .abort_isp = qla2x00_abort_isp,
1649 };
1650
1651 static struct isp_operations qla82xx_isp_ops = {
1652 .pci_config = qla82xx_pci_config,
1653 .reset_chip = qla82xx_reset_chip,
1654 .chip_diag = qla24xx_chip_diag,
1655 .config_rings = qla82xx_config_rings,
1656 .reset_adapter = qla24xx_reset_adapter,
1657 .nvram_config = qla81xx_nvram_config,
1658 .update_fw_options = qla24xx_update_fw_options,
1659 .load_risc = qla82xx_load_risc,
1660 .pci_info_str = qla82xx_pci_info_str,
1661 .fw_version_str = qla24xx_fw_version_str,
1662 .intr_handler = qla82xx_intr_handler,
1663 .enable_intrs = qla82xx_enable_intrs,
1664 .disable_intrs = qla82xx_disable_intrs,
1665 .abort_command = qla24xx_abort_command,
1666 .target_reset = qla24xx_abort_target,
1667 .lun_reset = qla24xx_lun_reset,
1668 .fabric_login = qla24xx_login_fabric,
1669 .fabric_logout = qla24xx_fabric_logout,
1670 .calc_req_entries = NULL,
1671 .build_iocbs = NULL,
1672 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1673 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1674 .read_nvram = qla24xx_read_nvram_data,
1675 .write_nvram = qla24xx_write_nvram_data,
1676 .fw_dump = qla24xx_fw_dump,
1677 .beacon_on = qla24xx_beacon_on,
1678 .beacon_off = qla24xx_beacon_off,
1679 .beacon_blink = qla24xx_beacon_blink,
1680 .read_optrom = qla82xx_read_optrom_data,
1681 .write_optrom = qla82xx_write_optrom_data,
1682 .get_flash_version = qla24xx_get_flash_version,
1683 .start_scsi = qla82xx_start_scsi,
1684 .abort_isp = qla82xx_abort_isp,
1685 };
1686
1687 static inline void
1688 qla2x00_set_isp_flags(struct qla_hw_data *ha)
1689 {
1690 ha->device_type = DT_EXTENDED_IDS;
1691 switch (ha->pdev->device) {
1692 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1693 ha->device_type |= DT_ISP2100;
1694 ha->device_type &= ~DT_EXTENDED_IDS;
1695 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1696 break;
1697 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1698 ha->device_type |= DT_ISP2200;
1699 ha->device_type &= ~DT_EXTENDED_IDS;
1700 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1701 break;
1702 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1703 ha->device_type |= DT_ISP2300;
1704 ha->device_type |= DT_ZIO_SUPPORTED;
1705 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1706 break;
1707 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1708 ha->device_type |= DT_ISP2312;
1709 ha->device_type |= DT_ZIO_SUPPORTED;
1710 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1711 break;
1712 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1713 ha->device_type |= DT_ISP2322;
1714 ha->device_type |= DT_ZIO_SUPPORTED;
1715 if (ha->pdev->subsystem_vendor == 0x1028 &&
1716 ha->pdev->subsystem_device == 0x0170)
1717 ha->device_type |= DT_OEM_001;
1718 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1719 break;
1720 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1721 ha->device_type |= DT_ISP6312;
1722 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1723 break;
1724 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1725 ha->device_type |= DT_ISP6322;
1726 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1727 break;
1728 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1729 ha->device_type |= DT_ISP2422;
1730 ha->device_type |= DT_ZIO_SUPPORTED;
1731 ha->device_type |= DT_FWI2;
1732 ha->device_type |= DT_IIDMA;
1733 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1734 break;
1735 case PCI_DEVICE_ID_QLOGIC_ISP2432:
1736 ha->device_type |= DT_ISP2432;
1737 ha->device_type |= DT_ZIO_SUPPORTED;
1738 ha->device_type |= DT_FWI2;
1739 ha->device_type |= DT_IIDMA;
1740 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1741 break;
1742 case PCI_DEVICE_ID_QLOGIC_ISP8432:
1743 ha->device_type |= DT_ISP8432;
1744 ha->device_type |= DT_ZIO_SUPPORTED;
1745 ha->device_type |= DT_FWI2;
1746 ha->device_type |= DT_IIDMA;
1747 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1748 break;
1749 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1750 ha->device_type |= DT_ISP5422;
1751 ha->device_type |= DT_FWI2;
1752 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1753 break;
1754 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1755 ha->device_type |= DT_ISP5432;
1756 ha->device_type |= DT_FWI2;
1757 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1758 break;
1759 case PCI_DEVICE_ID_QLOGIC_ISP2532:
1760 ha->device_type |= DT_ISP2532;
1761 ha->device_type |= DT_ZIO_SUPPORTED;
1762 ha->device_type |= DT_FWI2;
1763 ha->device_type |= DT_IIDMA;
1764 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1765 break;
1766 case PCI_DEVICE_ID_QLOGIC_ISP8001:
1767 ha->device_type |= DT_ISP8001;
1768 ha->device_type |= DT_ZIO_SUPPORTED;
1769 ha->device_type |= DT_FWI2;
1770 ha->device_type |= DT_IIDMA;
1771 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1772 break;
1773 case PCI_DEVICE_ID_QLOGIC_ISP8021:
1774 ha->device_type |= DT_ISP8021;
1775 ha->device_type |= DT_ZIO_SUPPORTED;
1776 ha->device_type |= DT_FWI2;
1777 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1778 /* Initialize 82XX ISP flags */
1779 qla82xx_init_flags(ha);
1780 break;
1781 }
1782
1783 if (IS_QLA82XX(ha))
1784 ha->port_no = !(ha->portnum & 1);
1785 else
1786 /* Get adapter physical port no from interrupt pin register. */
1787 pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
1788
1789 if (ha->port_no & 1)
1790 ha->flags.port0 = 1;
1791 else
1792 ha->flags.port0 = 0;
1793 }
1794
1795 static int
1796 qla2x00_iospace_config(struct qla_hw_data *ha)
1797 {
1798 resource_size_t pio;
1799 uint16_t msix;
1800 int cpus;
1801
1802 if (IS_QLA82XX(ha))
1803 return qla82xx_iospace_config(ha);
1804
1805 if (pci_request_selected_regions(ha->pdev, ha->bars,
1806 QLA2XXX_DRIVER_NAME)) {
1807 qla_printk(KERN_WARNING, ha,
1808 "Failed to reserve PIO/MMIO regions (%s)\n",
1809 pci_name(ha->pdev));
1810
1811 goto iospace_error_exit;
1812 }
1813 if (!(ha->bars & 1))
1814 goto skip_pio;
1815
1816 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1817 pio = pci_resource_start(ha->pdev, 0);
1818 if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1819 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1820 qla_printk(KERN_WARNING, ha,
1821 "Invalid PCI I/O region size (%s)...\n",
1822 pci_name(ha->pdev));
1823 pio = 0;
1824 }
1825 } else {
1826 qla_printk(KERN_WARNING, ha,
1827 "region #0 not a PIO resource (%s)...\n",
1828 pci_name(ha->pdev));
1829 pio = 0;
1830 }
1831 ha->pio_address = pio;
1832
1833 skip_pio:
1834 /* Use MMIO operations for all accesses. */
1835 if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1836 qla_printk(KERN_ERR, ha,
1837 "region #1 not an MMIO resource (%s), aborting\n",
1838 pci_name(ha->pdev));
1839 goto iospace_error_exit;
1840 }
1841 if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1842 qla_printk(KERN_ERR, ha,
1843 "Invalid PCI mem region size (%s), aborting\n",
1844 pci_name(ha->pdev));
1845 goto iospace_error_exit;
1846 }
1847
1848 ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1849 if (!ha->iobase) {
1850 qla_printk(KERN_ERR, ha,
1851 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1852
1853 goto iospace_error_exit;
1854 }
1855
1856 /* Determine queue resources */
1857 ha->max_req_queues = ha->max_rsp_queues = 1;
1858 if ((ql2xmaxqueues <= 1 && !ql2xmultique_tag) ||
1859 (ql2xmaxqueues > 1 && ql2xmultique_tag) ||
1860 (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
1861 goto mqiobase_exit;
1862
1863 ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1864 pci_resource_len(ha->pdev, 3));
1865 if (ha->mqiobase) {
1866 /* Read MSIX vector size of the board */
1867 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1868 ha->msix_count = msix;
1869 /* Max queues are bounded by available msix vectors */
1870 /* queue 0 uses two msix vectors */
1871 if (ql2xmultique_tag) {
1872 cpus = num_online_cpus();
1873 ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ?
1874 (cpus + 1) : (ha->msix_count - 1);
1875 ha->max_req_queues = 2;
1876 } else if (ql2xmaxqueues > 1) {
1877 ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ?
1878 QLA_MQ_SIZE : ql2xmaxqueues;
1879 DEBUG2(qla_printk(KERN_INFO, ha, "QoS mode set, max no"
1880 " of request queues:%d\n", ha->max_req_queues));
1881 }
1882 qla_printk(KERN_INFO, ha,
1883 "MSI-X vector count: %d\n", msix);
1884 } else
1885 qla_printk(KERN_INFO, ha, "BAR 3 not enabled\n");
1886
1887 mqiobase_exit:
1888 ha->msix_count = ha->max_rsp_queues + 1;
1889 return (0);
1890
1891 iospace_error_exit:
1892 return (-ENOMEM);
1893 }
1894
1895 static void
1896 qla2xxx_scan_start(struct Scsi_Host *shost)
1897 {
1898 scsi_qla_host_t *vha = shost_priv(shost);
1899
1900 if (vha->hw->flags.running_gold_fw)
1901 return;
1902
1903 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1904 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1905 set_bit(RSCN_UPDATE, &vha->dpc_flags);
1906 set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
1907 }
1908
1909 static int
1910 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1911 {
1912 scsi_qla_host_t *vha = shost_priv(shost);
1913
1914 if (!vha->host)
1915 return 1;
1916 if (time > vha->hw->loop_reset_delay * HZ)
1917 return 1;
1918
1919 return atomic_read(&vha->loop_state) == LOOP_READY;
1920 }
1921
1922 /*
1923 * PCI driver interface
1924 */
1925 static int __devinit
1926 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1927 {
1928 int ret = -ENODEV;
1929 struct Scsi_Host *host;
1930 scsi_qla_host_t *base_vha = NULL;
1931 struct qla_hw_data *ha;
1932 char pci_info[30];
1933 char fw_str[30];
1934 struct scsi_host_template *sht;
1935 int bars, max_id, mem_only = 0;
1936 uint16_t req_length = 0, rsp_length = 0;
1937 struct req_que *req = NULL;
1938 struct rsp_que *rsp = NULL;
1939
1940 bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
1941 sht = &qla2xxx_driver_template;
1942 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
1943 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
1944 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
1945 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
1946 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
1947 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
1948 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 ||
1949 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021) {
1950 bars = pci_select_bars(pdev, IORESOURCE_MEM);
1951 mem_only = 1;
1952 }
1953
1954 if (mem_only) {
1955 if (pci_enable_device_mem(pdev))
1956 goto probe_out;
1957 } else {
1958 if (pci_enable_device(pdev))
1959 goto probe_out;
1960 }
1961
1962 /* This may fail but that's ok */
1963 pci_enable_pcie_error_reporting(pdev);
1964
1965 ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
1966 if (!ha) {
1967 DEBUG(printk("Unable to allocate memory for ha\n"));
1968 goto probe_out;
1969 }
1970 ha->pdev = pdev;
1971
1972 /* Clear our data area */
1973 ha->bars = bars;
1974 ha->mem_only = mem_only;
1975 spin_lock_init(&ha->hardware_lock);
1976
1977 /* Set ISP-type information. */
1978 qla2x00_set_isp_flags(ha);
1979
1980 /* Set EEH reset type to fundamental if required by hba */
1981 if ( IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha)) {
1982 pdev->needs_freset = 1;
1983 }
1984
1985 /* Configure PCI I/O space */
1986 ret = qla2x00_iospace_config(ha);
1987 if (ret)
1988 goto probe_hw_failed;
1989
1990 qla_printk(KERN_INFO, ha,
1991 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1992 ha->iobase);
1993
1994 ha->prev_topology = 0;
1995 ha->init_cb_size = sizeof(init_cb_t);
1996 ha->link_data_rate = PORT_SPEED_UNKNOWN;
1997 ha->optrom_size = OPTROM_SIZE_2300;
1998
1999 /* Assign ISP specific operations. */
2000 max_id = MAX_TARGETS_2200;
2001 if (IS_QLA2100(ha)) {
2002 max_id = MAX_TARGETS_2100;
2003 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
2004 req_length = REQUEST_ENTRY_CNT_2100;
2005 rsp_length = RESPONSE_ENTRY_CNT_2100;
2006 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2007 ha->gid_list_info_size = 4;
2008 ha->flash_conf_off = ~0;
2009 ha->flash_data_off = ~0;
2010 ha->nvram_conf_off = ~0;
2011 ha->nvram_data_off = ~0;
2012 ha->isp_ops = &qla2100_isp_ops;
2013 } else if (IS_QLA2200(ha)) {
2014 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2015 req_length = REQUEST_ENTRY_CNT_2200;
2016 rsp_length = RESPONSE_ENTRY_CNT_2100;
2017 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2018 ha->gid_list_info_size = 4;
2019 ha->flash_conf_off = ~0;
2020 ha->flash_data_off = ~0;
2021 ha->nvram_conf_off = ~0;
2022 ha->nvram_data_off = ~0;
2023 ha->isp_ops = &qla2100_isp_ops;
2024 } else if (IS_QLA23XX(ha)) {
2025 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2026 req_length = REQUEST_ENTRY_CNT_2200;
2027 rsp_length = RESPONSE_ENTRY_CNT_2300;
2028 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2029 ha->gid_list_info_size = 6;
2030 if (IS_QLA2322(ha) || IS_QLA6322(ha))
2031 ha->optrom_size = OPTROM_SIZE_2322;
2032 ha->flash_conf_off = ~0;
2033 ha->flash_data_off = ~0;
2034 ha->nvram_conf_off = ~0;
2035 ha->nvram_data_off = ~0;
2036 ha->isp_ops = &qla2300_isp_ops;
2037 } else if (IS_QLA24XX_TYPE(ha)) {
2038 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2039 req_length = REQUEST_ENTRY_CNT_24XX;
2040 rsp_length = RESPONSE_ENTRY_CNT_2300;
2041 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2042 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2043 ha->gid_list_info_size = 8;
2044 ha->optrom_size = OPTROM_SIZE_24XX;
2045 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
2046 ha->isp_ops = &qla24xx_isp_ops;
2047 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2048 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2049 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2050 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2051 } else if (IS_QLA25XX(ha)) {
2052 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2053 req_length = REQUEST_ENTRY_CNT_24XX;
2054 rsp_length = RESPONSE_ENTRY_CNT_2300;
2055 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2056 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2057 ha->gid_list_info_size = 8;
2058 ha->optrom_size = OPTROM_SIZE_25XX;
2059 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2060 ha->isp_ops = &qla25xx_isp_ops;
2061 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2062 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2063 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2064 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2065 } else if (IS_QLA81XX(ha)) {
2066 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2067 req_length = REQUEST_ENTRY_CNT_24XX;
2068 rsp_length = RESPONSE_ENTRY_CNT_2300;
2069 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2070 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2071 ha->gid_list_info_size = 8;
2072 ha->optrom_size = OPTROM_SIZE_81XX;
2073 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2074 ha->isp_ops = &qla81xx_isp_ops;
2075 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2076 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2077 ha->nvram_conf_off = ~0;
2078 ha->nvram_data_off = ~0;
2079 } else if (IS_QLA82XX(ha)) {
2080 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2081 req_length = REQUEST_ENTRY_CNT_82XX;
2082 rsp_length = RESPONSE_ENTRY_CNT_82XX;
2083 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2084 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2085 ha->gid_list_info_size = 8;
2086 ha->optrom_size = OPTROM_SIZE_82XX;
2087 ha->isp_ops = &qla82xx_isp_ops;
2088 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2089 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2090 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2091 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2092 }
2093
2094 mutex_init(&ha->vport_lock);
2095 init_completion(&ha->mbx_cmd_comp);
2096 complete(&ha->mbx_cmd_comp);
2097 init_completion(&ha->mbx_intr_comp);
2098 init_completion(&ha->dcbx_comp);
2099
2100 set_bit(0, (unsigned long *) ha->vp_idx_map);
2101
2102 qla2x00_config_dma_addressing(ha);
2103 ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
2104 if (!ret) {
2105 qla_printk(KERN_WARNING, ha,
2106 "[ERROR] Failed to allocate memory for adapter\n");
2107
2108 goto probe_hw_failed;
2109 }
2110
2111 req->max_q_depth = MAX_Q_DEPTH;
2112 if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
2113 req->max_q_depth = ql2xmaxqdepth;
2114
2115
2116 base_vha = qla2x00_create_host(sht, ha);
2117 if (!base_vha) {
2118 qla_printk(KERN_WARNING, ha,
2119 "[ERROR] Failed to allocate memory for scsi_host\n");
2120
2121 ret = -ENOMEM;
2122 qla2x00_mem_free(ha);
2123 qla2x00_free_req_que(ha, req);
2124 qla2x00_free_rsp_que(ha, rsp);
2125 goto probe_hw_failed;
2126 }
2127
2128 pci_set_drvdata(pdev, base_vha);
2129
2130 host = base_vha->host;
2131 base_vha->req = req;
2132 host->can_queue = req->length + 128;
2133 if (IS_QLA2XXX_MIDTYPE(ha))
2134 base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
2135 else
2136 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
2137 base_vha->vp_idx;
2138
2139 /* Set the SG table size based on ISP type */
2140 if (!IS_FWI2_CAPABLE(ha)) {
2141 if (IS_QLA2100(ha))
2142 host->sg_tablesize = 32;
2143 } else {
2144 if (!IS_QLA82XX(ha))
2145 host->sg_tablesize = QLA_SG_ALL;
2146 }
2147
2148 host->max_id = max_id;
2149 host->this_id = 255;
2150 host->cmd_per_lun = 3;
2151 host->unique_id = host->host_no;
2152 if ((IS_QLA25XX(ha) || IS_QLA81XX(ha)) && ql2xenabledif)
2153 host->max_cmd_len = 32;
2154 else
2155 host->max_cmd_len = MAX_CMDSZ;
2156 host->max_channel = MAX_BUSES - 1;
2157 host->max_lun = MAX_LUNS;
2158 host->transportt = qla2xxx_transport_template;
2159 sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
2160
2161 /* Set up the irqs */
2162 ret = qla2x00_request_irqs(ha, rsp);
2163 if (ret)
2164 goto probe_init_failed;
2165
2166 pci_save_state(pdev);
2167
2168 /* Alloc arrays of request and response ring ptrs */
2169 que_init:
2170 if (!qla2x00_alloc_queues(ha)) {
2171 qla_printk(KERN_WARNING, ha,
2172 "[ERROR] Failed to allocate memory for queue"
2173 " pointers\n");
2174 goto probe_init_failed;
2175 }
2176
2177 ha->rsp_q_map[0] = rsp;
2178 ha->req_q_map[0] = req;
2179 rsp->req = req;
2180 req->rsp = rsp;
2181 set_bit(0, ha->req_qid_map);
2182 set_bit(0, ha->rsp_qid_map);
2183 /* FWI2-capable only. */
2184 req->req_q_in = &ha->iobase->isp24.req_q_in;
2185 req->req_q_out = &ha->iobase->isp24.req_q_out;
2186 rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
2187 rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
2188 if (ha->mqenable) {
2189 req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
2190 req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
2191 rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
2192 rsp->rsp_q_out = &ha->mqiobase->isp25mq.rsp_q_out;
2193 }
2194
2195 if (IS_QLA82XX(ha)) {
2196 req->req_q_out = &ha->iobase->isp82.req_q_out[0];
2197 rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0];
2198 rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0];
2199 }
2200
2201 if (qla2x00_initialize_adapter(base_vha)) {
2202 qla_printk(KERN_WARNING, ha,
2203 "Failed to initialize adapter\n");
2204
2205 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
2206 "Adapter flags %x.\n",
2207 base_vha->host_no, base_vha->device_flags));
2208
2209 if (IS_QLA82XX(ha)) {
2210 qla82xx_idc_lock(ha);
2211 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
2212 QLA82XX_DEV_FAILED);
2213 qla82xx_idc_unlock(ha);
2214 qla_printk(KERN_INFO, ha, "HW State: FAILED\n");
2215 }
2216
2217 ret = -ENODEV;
2218 goto probe_failed;
2219 }
2220
2221 if (ha->mqenable) {
2222 if (qla25xx_setup_mode(base_vha)) {
2223 qla_printk(KERN_WARNING, ha,
2224 "Can't create queues, falling back to single"
2225 " queue mode\n");
2226 goto que_init;
2227 }
2228 }
2229
2230 if (ha->flags.running_gold_fw)
2231 goto skip_dpc;
2232
2233 /*
2234 * Startup the kernel thread for this host adapter
2235 */
2236 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
2237 "%s_dpc", base_vha->host_str);
2238 if (IS_ERR(ha->dpc_thread)) {
2239 qla_printk(KERN_WARNING, ha,
2240 "Unable to start DPC thread!\n");
2241 ret = PTR_ERR(ha->dpc_thread);
2242 goto probe_failed;
2243 }
2244
2245 skip_dpc:
2246 list_add_tail(&base_vha->list, &ha->vp_list);
2247 base_vha->host->irq = ha->pdev->irq;
2248
2249 /* Initialized the timer */
2250 qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
2251
2252 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
2253 base_vha->host_no, ha));
2254
2255 if ((IS_QLA25XX(ha) || IS_QLA81XX(ha)) && ql2xenabledif) {
2256 if (ha->fw_attributes & BIT_4) {
2257 base_vha->flags.difdix_supported = 1;
2258 DEBUG18(qla_printk(KERN_INFO, ha,
2259 "Registering for DIF/DIX type 1 and 3"
2260 " protection.\n"));
2261 scsi_host_set_prot(host,
2262 SHOST_DIF_TYPE1_PROTECTION
2263 | SHOST_DIF_TYPE2_PROTECTION
2264 | SHOST_DIF_TYPE3_PROTECTION
2265 | SHOST_DIX_TYPE1_PROTECTION
2266 | SHOST_DIX_TYPE2_PROTECTION
2267 | SHOST_DIX_TYPE3_PROTECTION);
2268 scsi_host_set_guard(host, SHOST_DIX_GUARD_CRC);
2269 } else
2270 base_vha->flags.difdix_supported = 0;
2271 }
2272
2273 ha->isp_ops->enable_intrs(ha);
2274
2275 ret = scsi_add_host(host, &pdev->dev);
2276 if (ret)
2277 goto probe_failed;
2278
2279 base_vha->flags.init_done = 1;
2280 base_vha->flags.online = 1;
2281
2282 scsi_scan_host(host);
2283
2284 qla2x00_alloc_sysfs_attr(base_vha);
2285
2286 qla2x00_init_host_attr(base_vha);
2287
2288 qla2x00_dfs_setup(base_vha);
2289
2290 qla_printk(KERN_INFO, ha, "\n"
2291 " QLogic Fibre Channel HBA Driver: %s\n"
2292 " QLogic %s - %s\n"
2293 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
2294 qla2x00_version_str, ha->model_number,
2295 ha->model_desc ? ha->model_desc : "", pdev->device,
2296 ha->isp_ops->pci_info_str(base_vha, pci_info), pci_name(pdev),
2297 ha->flags.enable_64bit_addressing ? '+' : '-', base_vha->host_no,
2298 ha->isp_ops->fw_version_str(base_vha, fw_str));
2299
2300 return 0;
2301
2302 probe_init_failed:
2303 qla2x00_free_req_que(ha, req);
2304 qla2x00_free_rsp_que(ha, rsp);
2305 ha->max_req_queues = ha->max_rsp_queues = 0;
2306
2307 probe_failed:
2308 if (base_vha->timer_active)
2309 qla2x00_stop_timer(base_vha);
2310 base_vha->flags.online = 0;
2311 if (ha->dpc_thread) {
2312 struct task_struct *t = ha->dpc_thread;
2313
2314 ha->dpc_thread = NULL;
2315 kthread_stop(t);
2316 }
2317
2318 qla2x00_free_device(base_vha);
2319
2320 scsi_host_put(base_vha->host);
2321
2322 probe_hw_failed:
2323 if (IS_QLA82XX(ha)) {
2324 qla82xx_idc_lock(ha);
2325 qla82xx_clear_drv_active(ha);
2326 qla82xx_idc_unlock(ha);
2327 iounmap((device_reg_t __iomem *)ha->nx_pcibase);
2328 if (!ql2xdbwr)
2329 iounmap((device_reg_t __iomem *)ha->nxdb_wr_ptr);
2330 } else {
2331 if (ha->iobase)
2332 iounmap(ha->iobase);
2333 }
2334 pci_release_selected_regions(ha->pdev, ha->bars);
2335 kfree(ha);
2336 ha = NULL;
2337
2338 probe_out:
2339 pci_disable_device(pdev);
2340 return ret;
2341 }
2342
2343 static void
2344 qla2x00_remove_one(struct pci_dev *pdev)
2345 {
2346 scsi_qla_host_t *base_vha, *vha;
2347 struct qla_hw_data *ha;
2348 unsigned long flags;
2349
2350 base_vha = pci_get_drvdata(pdev);
2351 ha = base_vha->hw;
2352
2353 spin_lock_irqsave(&ha->vport_slock, flags);
2354 list_for_each_entry(vha, &ha->vp_list, list) {
2355 atomic_inc(&vha->vref_count);
2356
2357 if (vha && vha->fc_vport) {
2358 spin_unlock_irqrestore(&ha->vport_slock, flags);
2359
2360 fc_vport_terminate(vha->fc_vport);
2361
2362 spin_lock_irqsave(&ha->vport_slock, flags);
2363 }
2364
2365 atomic_dec(&vha->vref_count);
2366 }
2367 spin_unlock_irqrestore(&ha->vport_slock, flags);
2368
2369 set_bit(UNLOADING, &base_vha->dpc_flags);
2370
2371 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
2372
2373 qla2x00_dfs_remove(base_vha);
2374
2375 qla84xx_put_chip(base_vha);
2376
2377 /* Disable timer */
2378 if (base_vha->timer_active)
2379 qla2x00_stop_timer(base_vha);
2380
2381 base_vha->flags.online = 0;
2382
2383 /* Flush the work queue and remove it */
2384 if (ha->wq) {
2385 flush_workqueue(ha->wq);
2386 destroy_workqueue(ha->wq);
2387 ha->wq = NULL;
2388 }
2389
2390 /* Kill the kernel thread for this host */
2391 if (ha->dpc_thread) {
2392 struct task_struct *t = ha->dpc_thread;
2393
2394 /*
2395 * qla2xxx_wake_dpc checks for ->dpc_thread
2396 * so we need to zero it out.
2397 */
2398 ha->dpc_thread = NULL;
2399 kthread_stop(t);
2400 }
2401
2402 qla2x00_free_sysfs_attr(base_vha);
2403
2404 fc_remove_host(base_vha->host);
2405
2406 scsi_remove_host(base_vha->host);
2407
2408 qla2x00_free_device(base_vha);
2409
2410 scsi_host_put(base_vha->host);
2411
2412 if (IS_QLA82XX(ha)) {
2413 qla82xx_idc_lock(ha);
2414 qla82xx_clear_drv_active(ha);
2415 qla82xx_idc_unlock(ha);
2416
2417 iounmap((device_reg_t __iomem *)ha->nx_pcibase);
2418 if (!ql2xdbwr)
2419 iounmap((device_reg_t __iomem *)ha->nxdb_wr_ptr);
2420 } else {
2421 if (ha->iobase)
2422 iounmap(ha->iobase);
2423
2424 if (ha->mqiobase)
2425 iounmap(ha->mqiobase);
2426 }
2427
2428 pci_release_selected_regions(ha->pdev, ha->bars);
2429 kfree(ha);
2430 ha = NULL;
2431
2432 pci_disable_pcie_error_reporting(pdev);
2433
2434 pci_disable_device(pdev);
2435 pci_set_drvdata(pdev, NULL);
2436 }
2437
2438 static void
2439 qla2x00_free_device(scsi_qla_host_t *vha)
2440 {
2441 struct qla_hw_data *ha = vha->hw;
2442
2443 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
2444
2445 /* Disable timer */
2446 if (vha->timer_active)
2447 qla2x00_stop_timer(vha);
2448
2449 /* Kill the kernel thread for this host */
2450 if (ha->dpc_thread) {
2451 struct task_struct *t = ha->dpc_thread;
2452
2453 /*
2454 * qla2xxx_wake_dpc checks for ->dpc_thread
2455 * so we need to zero it out.
2456 */
2457 ha->dpc_thread = NULL;
2458 kthread_stop(t);
2459 }
2460
2461 qla25xx_delete_queues(vha);
2462
2463 if (ha->flags.fce_enabled)
2464 qla2x00_disable_fce_trace(vha, NULL, NULL);
2465
2466 if (ha->eft)
2467 qla2x00_disable_eft_trace(vha);
2468
2469 /* Stop currently executing firmware. */
2470 qla2x00_try_to_stop_firmware(vha);
2471
2472 vha->flags.online = 0;
2473
2474 /* turn-off interrupts on the card */
2475 if (ha->interrupts_on) {
2476 vha->flags.init_done = 0;
2477 ha->isp_ops->disable_intrs(ha);
2478 }
2479
2480 qla2x00_free_irqs(vha);
2481
2482 qla2x00_free_fcports(vha);
2483
2484 qla2x00_mem_free(ha);
2485
2486 qla2x00_free_queues(ha);
2487 }
2488
2489 void qla2x00_free_fcports(struct scsi_qla_host *vha)
2490 {
2491 fc_port_t *fcport, *tfcport;
2492
2493 list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list) {
2494 list_del(&fcport->list);
2495 kfree(fcport);
2496 fcport = NULL;
2497 }
2498 }
2499
2500 static inline void
2501 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
2502 int defer)
2503 {
2504 struct fc_rport *rport;
2505 scsi_qla_host_t *base_vha;
2506
2507 if (!fcport->rport)
2508 return;
2509
2510 rport = fcport->rport;
2511 if (defer) {
2512 base_vha = pci_get_drvdata(vha->hw->pdev);
2513 spin_lock_irq(vha->host->host_lock);
2514 fcport->drport = rport;
2515 spin_unlock_irq(vha->host->host_lock);
2516 set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
2517 qla2xxx_wake_dpc(base_vha);
2518 } else
2519 fc_remote_port_delete(rport);
2520 }
2521
2522 /*
2523 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
2524 *
2525 * Input: ha = adapter block pointer. fcport = port structure pointer.
2526 *
2527 * Return: None.
2528 *
2529 * Context:
2530 */
2531 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
2532 int do_login, int defer)
2533 {
2534 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2535 vha->vp_idx == fcport->vp_idx) {
2536 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2537 qla2x00_schedule_rport_del(vha, fcport, defer);
2538 }
2539 /*
2540 * We may need to retry the login, so don't change the state of the
2541 * port but do the retries.
2542 */
2543 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
2544 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2545
2546 if (!do_login)
2547 return;
2548
2549 if (fcport->login_retry == 0) {
2550 fcport->login_retry = vha->hw->login_retry_count;
2551 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2552
2553 DEBUG(printk("scsi(%ld): Port login retry: "
2554 "%02x%02x%02x%02x%02x%02x%02x%02x, "
2555 "id = 0x%04x retry cnt=%d\n",
2556 vha->host_no,
2557 fcport->port_name[0],
2558 fcport->port_name[1],
2559 fcport->port_name[2],
2560 fcport->port_name[3],
2561 fcport->port_name[4],
2562 fcport->port_name[5],
2563 fcport->port_name[6],
2564 fcport->port_name[7],
2565 fcport->loop_id,
2566 fcport->login_retry));
2567 }
2568 }
2569
2570 /*
2571 * qla2x00_mark_all_devices_lost
2572 * Updates fcport state when device goes offline.
2573 *
2574 * Input:
2575 * ha = adapter block pointer.
2576 * fcport = port structure pointer.
2577 *
2578 * Return:
2579 * None.
2580 *
2581 * Context:
2582 */
2583 void
2584 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
2585 {
2586 fc_port_t *fcport;
2587
2588 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2589 if (vha->vp_idx != 0 && vha->vp_idx != fcport->vp_idx)
2590 continue;
2591
2592 /*
2593 * No point in marking the device as lost, if the device is
2594 * already DEAD.
2595 */
2596 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
2597 continue;
2598 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2599 if (defer)
2600 qla2x00_schedule_rport_del(vha, fcport, defer);
2601 else if (vha->vp_idx == fcport->vp_idx)
2602 qla2x00_schedule_rport_del(vha, fcport, defer);
2603 }
2604 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2605 }
2606 }
2607
2608 /*
2609 * qla2x00_mem_alloc
2610 * Allocates adapter memory.
2611 *
2612 * Returns:
2613 * 0 = success.
2614 * !0 = failure.
2615 */
2616 static int
2617 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
2618 struct req_que **req, struct rsp_que **rsp)
2619 {
2620 char name[16];
2621
2622 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
2623 &ha->init_cb_dma, GFP_KERNEL);
2624 if (!ha->init_cb)
2625 goto fail;
2626
2627 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2628 &ha->gid_list_dma, GFP_KERNEL);
2629 if (!ha->gid_list)
2630 goto fail_free_init_cb;
2631
2632 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2633 if (!ha->srb_mempool)
2634 goto fail_free_gid_list;
2635
2636 if (IS_QLA82XX(ha)) {
2637 /* Allocate cache for CT6 Ctx. */
2638 if (!ctx_cachep) {
2639 ctx_cachep = kmem_cache_create("qla2xxx_ctx",
2640 sizeof(struct ct6_dsd), 0,
2641 SLAB_HWCACHE_ALIGN, NULL);
2642 if (!ctx_cachep)
2643 goto fail_free_gid_list;
2644 }
2645 ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ,
2646 ctx_cachep);
2647 if (!ha->ctx_mempool)
2648 goto fail_free_srb_mempool;
2649 }
2650
2651 /* Get memory for cached NVRAM */
2652 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2653 if (!ha->nvram)
2654 goto fail_free_ctx_mempool;
2655
2656 snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
2657 ha->pdev->device);
2658 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2659 DMA_POOL_SIZE, 8, 0);
2660 if (!ha->s_dma_pool)
2661 goto fail_free_nvram;
2662
2663 if (IS_QLA82XX(ha) || ql2xenabledif) {
2664 ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2665 DSD_LIST_DMA_POOL_SIZE, 8, 0);
2666 if (!ha->dl_dma_pool) {
2667 qla_printk(KERN_WARNING, ha,
2668 "Memory Allocation failed - dl_dma_pool\n");
2669 goto fail_s_dma_pool;
2670 }
2671
2672 ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2673 FCP_CMND_DMA_POOL_SIZE, 8, 0);
2674 if (!ha->fcp_cmnd_dma_pool) {
2675 qla_printk(KERN_WARNING, ha,
2676 "Memory Allocation failed - fcp_cmnd_dma_pool\n");
2677 goto fail_dl_dma_pool;
2678 }
2679 }
2680
2681 /* Allocate memory for SNS commands */
2682 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2683 /* Get consistent memory allocated for SNS commands */
2684 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
2685 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
2686 if (!ha->sns_cmd)
2687 goto fail_dma_pool;
2688 } else {
2689 /* Get consistent memory allocated for MS IOCB */
2690 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2691 &ha->ms_iocb_dma);
2692 if (!ha->ms_iocb)
2693 goto fail_dma_pool;
2694 /* Get consistent memory allocated for CT SNS commands */
2695 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
2696 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
2697 if (!ha->ct_sns)
2698 goto fail_free_ms_iocb;
2699 }
2700
2701 /* Allocate memory for request ring */
2702 *req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
2703 if (!*req) {
2704 DEBUG(printk("Unable to allocate memory for req\n"));
2705 goto fail_req;
2706 }
2707 (*req)->length = req_len;
2708 (*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
2709 ((*req)->length + 1) * sizeof(request_t),
2710 &(*req)->dma, GFP_KERNEL);
2711 if (!(*req)->ring) {
2712 DEBUG(printk("Unable to allocate memory for req_ring\n"));
2713 goto fail_req_ring;
2714 }
2715 /* Allocate memory for response ring */
2716 *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
2717 if (!*rsp) {
2718 qla_printk(KERN_WARNING, ha,
2719 "Unable to allocate memory for rsp\n");
2720 goto fail_rsp;
2721 }
2722 (*rsp)->hw = ha;
2723 (*rsp)->length = rsp_len;
2724 (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
2725 ((*rsp)->length + 1) * sizeof(response_t),
2726 &(*rsp)->dma, GFP_KERNEL);
2727 if (!(*rsp)->ring) {
2728 qla_printk(KERN_WARNING, ha,
2729 "Unable to allocate memory for rsp_ring\n");
2730 goto fail_rsp_ring;
2731 }
2732 (*req)->rsp = *rsp;
2733 (*rsp)->req = *req;
2734 /* Allocate memory for NVRAM data for vports */
2735 if (ha->nvram_npiv_size) {
2736 ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
2737 ha->nvram_npiv_size, GFP_KERNEL);
2738 if (!ha->npiv_info) {
2739 qla_printk(KERN_WARNING, ha,
2740 "Unable to allocate memory for npiv info\n");
2741 goto fail_npiv_info;
2742 }
2743 } else
2744 ha->npiv_info = NULL;
2745
2746 /* Get consistent memory allocated for EX-INIT-CB. */
2747 if (IS_QLA8XXX_TYPE(ha)) {
2748 ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2749 &ha->ex_init_cb_dma);
2750 if (!ha->ex_init_cb)
2751 goto fail_ex_init_cb;
2752 }
2753
2754 INIT_LIST_HEAD(&ha->gbl_dsd_list);
2755
2756 /* Get consistent memory allocated for Async Port-Database. */
2757 if (!IS_FWI2_CAPABLE(ha)) {
2758 ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2759 &ha->async_pd_dma);
2760 if (!ha->async_pd)
2761 goto fail_async_pd;
2762 }
2763
2764 INIT_LIST_HEAD(&ha->vp_list);
2765 return 1;
2766
2767 fail_async_pd:
2768 dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
2769 fail_ex_init_cb:
2770 kfree(ha->npiv_info);
2771 fail_npiv_info:
2772 dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
2773 sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
2774 (*rsp)->ring = NULL;
2775 (*rsp)->dma = 0;
2776 fail_rsp_ring:
2777 kfree(*rsp);
2778 fail_rsp:
2779 dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
2780 sizeof(request_t), (*req)->ring, (*req)->dma);
2781 (*req)->ring = NULL;
2782 (*req)->dma = 0;
2783 fail_req_ring:
2784 kfree(*req);
2785 fail_req:
2786 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2787 ha->ct_sns, ha->ct_sns_dma);
2788 ha->ct_sns = NULL;
2789 ha->ct_sns_dma = 0;
2790 fail_free_ms_iocb:
2791 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2792 ha->ms_iocb = NULL;
2793 ha->ms_iocb_dma = 0;
2794 fail_dma_pool:
2795 if (IS_QLA82XX(ha) || ql2xenabledif) {
2796 dma_pool_destroy(ha->fcp_cmnd_dma_pool);
2797 ha->fcp_cmnd_dma_pool = NULL;
2798 }
2799 fail_dl_dma_pool:
2800 if (IS_QLA82XX(ha) || ql2xenabledif) {
2801 dma_pool_destroy(ha->dl_dma_pool);
2802 ha->dl_dma_pool = NULL;
2803 }
2804 fail_s_dma_pool:
2805 dma_pool_destroy(ha->s_dma_pool);
2806 ha->s_dma_pool = NULL;
2807 fail_free_nvram:
2808 kfree(ha->nvram);
2809 ha->nvram = NULL;
2810 fail_free_ctx_mempool:
2811 mempool_destroy(ha->ctx_mempool);
2812 ha->ctx_mempool = NULL;
2813 fail_free_srb_mempool:
2814 mempool_destroy(ha->srb_mempool);
2815 ha->srb_mempool = NULL;
2816 fail_free_gid_list:
2817 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2818 ha->gid_list_dma);
2819 ha->gid_list = NULL;
2820 ha->gid_list_dma = 0;
2821 fail_free_init_cb:
2822 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
2823 ha->init_cb_dma);
2824 ha->init_cb = NULL;
2825 ha->init_cb_dma = 0;
2826 fail:
2827 DEBUG(printk("%s: Memory allocation failure\n", __func__));
2828 return -ENOMEM;
2829 }
2830
2831 /*
2832 * qla2x00_mem_free
2833 * Frees all adapter allocated memory.
2834 *
2835 * Input:
2836 * ha = adapter block pointer.
2837 */
2838 static void
2839 qla2x00_mem_free(struct qla_hw_data *ha)
2840 {
2841 if (ha->srb_mempool)
2842 mempool_destroy(ha->srb_mempool);
2843
2844 if (ha->fce)
2845 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
2846 ha->fce_dma);
2847
2848 if (ha->fw_dump) {
2849 if (ha->eft)
2850 dma_free_coherent(&ha->pdev->dev,
2851 ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
2852 vfree(ha->fw_dump);
2853 }
2854
2855 if (ha->dcbx_tlv)
2856 dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
2857 ha->dcbx_tlv, ha->dcbx_tlv_dma);
2858
2859 if (ha->xgmac_data)
2860 dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
2861 ha->xgmac_data, ha->xgmac_data_dma);
2862
2863 if (ha->sns_cmd)
2864 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2865 ha->sns_cmd, ha->sns_cmd_dma);
2866
2867 if (ha->ct_sns)
2868 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2869 ha->ct_sns, ha->ct_sns_dma);
2870
2871 if (ha->sfp_data)
2872 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2873
2874 if (ha->edc_data)
2875 dma_pool_free(ha->s_dma_pool, ha->edc_data, ha->edc_data_dma);
2876
2877 if (ha->ms_iocb)
2878 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2879
2880 if (ha->ex_init_cb)
2881 dma_pool_free(ha->s_dma_pool,
2882 ha->ex_init_cb, ha->ex_init_cb_dma);
2883
2884 if (ha->async_pd)
2885 dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
2886
2887 if (ha->s_dma_pool)
2888 dma_pool_destroy(ha->s_dma_pool);
2889
2890 if (ha->gid_list)
2891 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2892 ha->gid_list_dma);
2893
2894 if (IS_QLA82XX(ha)) {
2895 if (!list_empty(&ha->gbl_dsd_list)) {
2896 struct dsd_dma *dsd_ptr, *tdsd_ptr;
2897
2898 /* clean up allocated prev pool */
2899 list_for_each_entry_safe(dsd_ptr,
2900 tdsd_ptr, &ha->gbl_dsd_list, list) {
2901 dma_pool_free(ha->dl_dma_pool,
2902 dsd_ptr->dsd_addr, dsd_ptr->dsd_list_dma);
2903 list_del(&dsd_ptr->list);
2904 kfree(dsd_ptr);
2905 }
2906 }
2907 }
2908
2909 if (ha->dl_dma_pool)
2910 dma_pool_destroy(ha->dl_dma_pool);
2911
2912 if (ha->fcp_cmnd_dma_pool)
2913 dma_pool_destroy(ha->fcp_cmnd_dma_pool);
2914
2915 if (ha->ctx_mempool)
2916 mempool_destroy(ha->ctx_mempool);
2917
2918 if (ha->init_cb)
2919 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2920 ha->init_cb, ha->init_cb_dma);
2921 vfree(ha->optrom_buffer);
2922 kfree(ha->nvram);
2923 kfree(ha->npiv_info);
2924
2925 ha->srb_mempool = NULL;
2926 ha->ctx_mempool = NULL;
2927 ha->eft = NULL;
2928 ha->eft_dma = 0;
2929 ha->sns_cmd = NULL;
2930 ha->sns_cmd_dma = 0;
2931 ha->ct_sns = NULL;
2932 ha->ct_sns_dma = 0;
2933 ha->ms_iocb = NULL;
2934 ha->ms_iocb_dma = 0;
2935 ha->init_cb = NULL;
2936 ha->init_cb_dma = 0;
2937 ha->ex_init_cb = NULL;
2938 ha->ex_init_cb_dma = 0;
2939 ha->async_pd = NULL;
2940 ha->async_pd_dma = 0;
2941
2942 ha->s_dma_pool = NULL;
2943 ha->dl_dma_pool = NULL;
2944 ha->fcp_cmnd_dma_pool = NULL;
2945
2946 ha->gid_list = NULL;
2947 ha->gid_list_dma = 0;
2948
2949 ha->fw_dump = NULL;
2950 ha->fw_dumped = 0;
2951 ha->fw_dump_reading = 0;
2952 }
2953
2954 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
2955 struct qla_hw_data *ha)
2956 {
2957 struct Scsi_Host *host;
2958 struct scsi_qla_host *vha = NULL;
2959
2960 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
2961 if (host == NULL) {
2962 printk(KERN_WARNING
2963 "qla2xxx: Couldn't allocate host from scsi layer!\n");
2964 goto fail;
2965 }
2966
2967 /* Clear our data area */
2968 vha = shost_priv(host);
2969 memset(vha, 0, sizeof(scsi_qla_host_t));
2970
2971 vha->host = host;
2972 vha->host_no = host->host_no;
2973 vha->hw = ha;
2974
2975 INIT_LIST_HEAD(&vha->vp_fcports);
2976 INIT_LIST_HEAD(&vha->work_list);
2977 INIT_LIST_HEAD(&vha->list);
2978
2979 spin_lock_init(&vha->work_lock);
2980
2981 sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
2982 return vha;
2983
2984 fail:
2985 return vha;
2986 }
2987
2988 static struct qla_work_evt *
2989 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
2990 {
2991 struct qla_work_evt *e;
2992 uint8_t bail;
2993
2994 QLA_VHA_MARK_BUSY(vha, bail);
2995 if (bail)
2996 return NULL;
2997
2998 e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
2999 if (!e) {
3000 QLA_VHA_MARK_NOT_BUSY(vha);
3001 return NULL;
3002 }
3003
3004 INIT_LIST_HEAD(&e->list);
3005 e->type = type;
3006 e->flags = QLA_EVT_FLAG_FREE;
3007 return e;
3008 }
3009
3010 static int
3011 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
3012 {
3013 unsigned long flags;
3014
3015 spin_lock_irqsave(&vha->work_lock, flags);
3016 list_add_tail(&e->list, &vha->work_list);
3017 spin_unlock_irqrestore(&vha->work_lock, flags);
3018 qla2xxx_wake_dpc(vha);
3019
3020 return QLA_SUCCESS;
3021 }
3022
3023 int
3024 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
3025 u32 data)
3026 {
3027 struct qla_work_evt *e;
3028
3029 e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
3030 if (!e)
3031 return QLA_FUNCTION_FAILED;
3032
3033 e->u.aen.code = code;
3034 e->u.aen.data = data;
3035 return qla2x00_post_work(vha, e);
3036 }
3037
3038 int
3039 qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
3040 {
3041 struct qla_work_evt *e;
3042
3043 e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
3044 if (!e)
3045 return QLA_FUNCTION_FAILED;
3046
3047 memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
3048 return qla2x00_post_work(vha, e);
3049 }
3050
3051 #define qla2x00_post_async_work(name, type) \
3052 int qla2x00_post_async_##name##_work( \
3053 struct scsi_qla_host *vha, \
3054 fc_port_t *fcport, uint16_t *data) \
3055 { \
3056 struct qla_work_evt *e; \
3057 \
3058 e = qla2x00_alloc_work(vha, type); \
3059 if (!e) \
3060 return QLA_FUNCTION_FAILED; \
3061 \
3062 e->u.logio.fcport = fcport; \
3063 if (data) { \
3064 e->u.logio.data[0] = data[0]; \
3065 e->u.logio.data[1] = data[1]; \
3066 } \
3067 return qla2x00_post_work(vha, e); \
3068 }
3069
3070 qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
3071 qla2x00_post_async_work(login_done, QLA_EVT_ASYNC_LOGIN_DONE);
3072 qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
3073 qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE);
3074 qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC);
3075 qla2x00_post_async_work(adisc_done, QLA_EVT_ASYNC_ADISC_DONE);
3076
3077 int
3078 qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
3079 {
3080 struct qla_work_evt *e;
3081
3082 e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
3083 if (!e)
3084 return QLA_FUNCTION_FAILED;
3085
3086 e->u.uevent.code = code;
3087 return qla2x00_post_work(vha, e);
3088 }
3089
3090 static void
3091 qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
3092 {
3093 char event_string[40];
3094 char *envp[] = { event_string, NULL };
3095
3096 switch (code) {
3097 case QLA_UEVENT_CODE_FW_DUMP:
3098 snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld",
3099 vha->host_no);
3100 break;
3101 default:
3102 /* do nothing */
3103 break;
3104 }
3105 kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
3106 }
3107
3108 void
3109 qla2x00_do_work(struct scsi_qla_host *vha)
3110 {
3111 struct qla_work_evt *e, *tmp;
3112 unsigned long flags;
3113 LIST_HEAD(work);
3114
3115 spin_lock_irqsave(&vha->work_lock, flags);
3116 list_splice_init(&vha->work_list, &work);
3117 spin_unlock_irqrestore(&vha->work_lock, flags);
3118
3119 list_for_each_entry_safe(e, tmp, &work, list) {
3120 list_del_init(&e->list);
3121
3122 switch (e->type) {
3123 case QLA_EVT_AEN:
3124 fc_host_post_event(vha->host, fc_get_event_number(),
3125 e->u.aen.code, e->u.aen.data);
3126 break;
3127 case QLA_EVT_IDC_ACK:
3128 qla81xx_idc_ack(vha, e->u.idc_ack.mb);
3129 break;
3130 case QLA_EVT_ASYNC_LOGIN:
3131 qla2x00_async_login(vha, e->u.logio.fcport,
3132 e->u.logio.data);
3133 break;
3134 case QLA_EVT_ASYNC_LOGIN_DONE:
3135 qla2x00_async_login_done(vha, e->u.logio.fcport,
3136 e->u.logio.data);
3137 break;
3138 case QLA_EVT_ASYNC_LOGOUT:
3139 qla2x00_async_logout(vha, e->u.logio.fcport);
3140 break;
3141 case QLA_EVT_ASYNC_LOGOUT_DONE:
3142 qla2x00_async_logout_done(vha, e->u.logio.fcport,
3143 e->u.logio.data);
3144 break;
3145 case QLA_EVT_ASYNC_ADISC:
3146 qla2x00_async_adisc(vha, e->u.logio.fcport,
3147 e->u.logio.data);
3148 break;
3149 case QLA_EVT_ASYNC_ADISC_DONE:
3150 qla2x00_async_adisc_done(vha, e->u.logio.fcport,
3151 e->u.logio.data);
3152 break;
3153 case QLA_EVT_UEVENT:
3154 qla2x00_uevent_emit(vha, e->u.uevent.code);
3155 break;
3156 }
3157 if (e->flags & QLA_EVT_FLAG_FREE)
3158 kfree(e);
3159
3160 /* For each work completed decrement vha ref count */
3161 QLA_VHA_MARK_NOT_BUSY(vha);
3162 }
3163 }
3164
3165 /* Relogins all the fcports of a vport
3166 * Context: dpc thread
3167 */
3168 void qla2x00_relogin(struct scsi_qla_host *vha)
3169 {
3170 fc_port_t *fcport;
3171 int status;
3172 uint16_t next_loopid = 0;
3173 struct qla_hw_data *ha = vha->hw;
3174 uint16_t data[2];
3175
3176 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3177 /*
3178 * If the port is not ONLINE then try to login
3179 * to it if we haven't run out of retries.
3180 */
3181 if (atomic_read(&fcport->state) != FCS_ONLINE &&
3182 fcport->login_retry && !(fcport->flags & FCF_ASYNC_SENT)) {
3183 fcport->login_retry--;
3184 if (fcport->flags & FCF_FABRIC_DEVICE) {
3185 if (fcport->flags & FCF_FCP2_DEVICE)
3186 ha->isp_ops->fabric_logout(vha,
3187 fcport->loop_id,
3188 fcport->d_id.b.domain,
3189 fcport->d_id.b.area,
3190 fcport->d_id.b.al_pa);
3191
3192 if (IS_ALOGIO_CAPABLE(ha)) {
3193 fcport->flags |= FCF_ASYNC_SENT;
3194 data[0] = 0;
3195 data[1] = QLA_LOGIO_LOGIN_RETRIED;
3196 status = qla2x00_post_async_login_work(
3197 vha, fcport, data);
3198 if (status == QLA_SUCCESS)
3199 continue;
3200 /* Attempt a retry. */
3201 status = 1;
3202 } else
3203 status = qla2x00_fabric_login(vha,
3204 fcport, &next_loopid);
3205 } else
3206 status = qla2x00_local_device_login(vha,
3207 fcport);
3208
3209 if (status == QLA_SUCCESS) {
3210 fcport->old_loop_id = fcport->loop_id;
3211
3212 DEBUG(printk("scsi(%ld): port login OK: logged "
3213 "in ID 0x%x\n", vha->host_no, fcport->loop_id));
3214
3215 qla2x00_update_fcport(vha, fcport);
3216
3217 } else if (status == 1) {
3218 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
3219 /* retry the login again */
3220 DEBUG(printk("scsi(%ld): Retrying"
3221 " %d login again loop_id 0x%x\n",
3222 vha->host_no, fcport->login_retry,
3223 fcport->loop_id));
3224 } else {
3225 fcport->login_retry = 0;
3226 }
3227
3228 if (fcport->login_retry == 0 && status != QLA_SUCCESS)
3229 fcport->loop_id = FC_NO_LOOP_ID;
3230 }
3231 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3232 break;
3233 }
3234 }
3235
3236 /**************************************************************************
3237 * qla2x00_do_dpc
3238 * This kernel thread is a task that is schedule by the interrupt handler
3239 * to perform the background processing for interrupts.
3240 *
3241 * Notes:
3242 * This task always run in the context of a kernel thread. It
3243 * is kick-off by the driver's detect code and starts up
3244 * up one per adapter. It immediately goes to sleep and waits for
3245 * some fibre event. When either the interrupt handler or
3246 * the timer routine detects a event it will one of the task
3247 * bits then wake us up.
3248 **************************************************************************/
3249 static int
3250 qla2x00_do_dpc(void *data)
3251 {
3252 int rval;
3253 scsi_qla_host_t *base_vha;
3254 struct qla_hw_data *ha;
3255
3256 ha = (struct qla_hw_data *)data;
3257 base_vha = pci_get_drvdata(ha->pdev);
3258
3259 set_user_nice(current, -20);
3260
3261 while (!kthread_should_stop()) {
3262 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
3263
3264 set_current_state(TASK_INTERRUPTIBLE);
3265 schedule();
3266 __set_current_state(TASK_RUNNING);
3267
3268 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
3269
3270 /* Initialization not yet finished. Don't do anything yet. */
3271 if (!base_vha->flags.init_done)
3272 continue;
3273
3274 if (ha->flags.eeh_busy) {
3275 DEBUG17(qla_printk(KERN_WARNING, ha,
3276 "qla2x00_do_dpc: dpc_flags: %lx\n",
3277 base_vha->dpc_flags));
3278 continue;
3279 }
3280
3281 DEBUG3(printk("scsi(%ld): DPC handler\n", base_vha->host_no));
3282
3283 ha->dpc_active = 1;
3284
3285 if (ha->flags.mbox_busy) {
3286 ha->dpc_active = 0;
3287 continue;
3288 }
3289
3290 qla2x00_do_work(base_vha);
3291
3292 if (IS_QLA82XX(ha)) {
3293 if (test_and_clear_bit(ISP_UNRECOVERABLE,
3294 &base_vha->dpc_flags)) {
3295 qla82xx_idc_lock(ha);
3296 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3297 QLA82XX_DEV_FAILED);
3298 qla82xx_idc_unlock(ha);
3299 qla_printk(KERN_INFO, ha,
3300 "HW State: FAILED\n");
3301 qla82xx_device_state_handler(base_vha);
3302 continue;
3303 }
3304
3305 if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED,
3306 &base_vha->dpc_flags)) {
3307
3308 DEBUG(printk(KERN_INFO
3309 "scsi(%ld): dpc: sched "
3310 "qla82xx_fcoe_ctx_reset ha = %p\n",
3311 base_vha->host_no, ha));
3312 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
3313 &base_vha->dpc_flags))) {
3314 if (qla82xx_fcoe_ctx_reset(base_vha)) {
3315 /* FCoE-ctx reset failed.
3316 * Escalate to chip-reset
3317 */
3318 set_bit(ISP_ABORT_NEEDED,
3319 &base_vha->dpc_flags);
3320 }
3321 clear_bit(ABORT_ISP_ACTIVE,
3322 &base_vha->dpc_flags);
3323 }
3324
3325 DEBUG(printk("scsi(%ld): dpc:"
3326 " qla82xx_fcoe_ctx_reset end\n",
3327 base_vha->host_no));
3328 }
3329 }
3330
3331 if (test_and_clear_bit(ISP_ABORT_NEEDED,
3332 &base_vha->dpc_flags)) {
3333
3334 DEBUG(printk("scsi(%ld): dpc: sched "
3335 "qla2x00_abort_isp ha = %p\n",
3336 base_vha->host_no, ha));
3337 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
3338 &base_vha->dpc_flags))) {
3339
3340 if (ha->isp_ops->abort_isp(base_vha)) {
3341 /* failed. retry later */
3342 set_bit(ISP_ABORT_NEEDED,
3343 &base_vha->dpc_flags);
3344 }
3345 clear_bit(ABORT_ISP_ACTIVE,
3346 &base_vha->dpc_flags);
3347 }
3348
3349 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
3350 base_vha->host_no));
3351 }
3352
3353 if (test_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags)) {
3354 qla2x00_update_fcports(base_vha);
3355 clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
3356 }
3357
3358 if (test_and_clear_bit(RESET_MARKER_NEEDED,
3359 &base_vha->dpc_flags) &&
3360 (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
3361
3362 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
3363 base_vha->host_no));
3364
3365 qla2x00_rst_aen(base_vha);
3366 clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
3367 }
3368
3369 /* Retry each device up to login retry count */
3370 if ((test_and_clear_bit(RELOGIN_NEEDED,
3371 &base_vha->dpc_flags)) &&
3372 !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
3373 atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
3374
3375 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
3376 base_vha->host_no));
3377 qla2x00_relogin(base_vha);
3378
3379 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
3380 base_vha->host_no));
3381 }
3382
3383 if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
3384 &base_vha->dpc_flags)) {
3385
3386 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
3387 base_vha->host_no));
3388
3389 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
3390 &base_vha->dpc_flags))) {
3391
3392 rval = qla2x00_loop_resync(base_vha);
3393
3394 clear_bit(LOOP_RESYNC_ACTIVE,
3395 &base_vha->dpc_flags);
3396 }
3397
3398 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
3399 base_vha->host_no));
3400 }
3401
3402 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
3403 atomic_read(&base_vha->loop_state) == LOOP_READY) {
3404 clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
3405 qla2xxx_flash_npiv_conf(base_vha);
3406 }
3407
3408 if (!ha->interrupts_on)
3409 ha->isp_ops->enable_intrs(ha);
3410
3411 if (test_and_clear_bit(BEACON_BLINK_NEEDED,
3412 &base_vha->dpc_flags))
3413 ha->isp_ops->beacon_blink(base_vha);
3414
3415 qla2x00_do_dpc_all_vps(base_vha);
3416
3417 ha->dpc_active = 0;
3418 } /* End of while(1) */
3419
3420 DEBUG(printk("scsi(%ld): DPC handler exiting\n", base_vha->host_no));
3421
3422 /*
3423 * Make sure that nobody tries to wake us up again.
3424 */
3425 ha->dpc_active = 0;
3426
3427 /* Cleanup any residual CTX SRBs. */
3428 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
3429
3430 return 0;
3431 }
3432
3433 void
3434 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
3435 {
3436 struct qla_hw_data *ha = vha->hw;
3437 struct task_struct *t = ha->dpc_thread;
3438
3439 if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
3440 wake_up_process(t);
3441 }
3442
3443 /*
3444 * qla2x00_rst_aen
3445 * Processes asynchronous reset.
3446 *
3447 * Input:
3448 * ha = adapter block pointer.
3449 */
3450 static void
3451 qla2x00_rst_aen(scsi_qla_host_t *vha)
3452 {
3453 if (vha->flags.online && !vha->flags.reset_active &&
3454 !atomic_read(&vha->loop_down_timer) &&
3455 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
3456 do {
3457 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
3458
3459 /*
3460 * Issue marker command only when we are going to start
3461 * the I/O.
3462 */
3463 vha->marker_needed = 1;
3464 } while (!atomic_read(&vha->loop_down_timer) &&
3465 (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
3466 }
3467 }
3468
3469 static void
3470 qla2x00_sp_free_dma(srb_t *sp)
3471 {
3472 struct scsi_cmnd *cmd = sp->cmd;
3473 struct qla_hw_data *ha = sp->fcport->vha->hw;
3474
3475 if (sp->flags & SRB_DMA_VALID) {
3476 scsi_dma_unmap(cmd);
3477 sp->flags &= ~SRB_DMA_VALID;
3478 }
3479
3480 if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
3481 dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
3482 scsi_prot_sg_count(cmd), cmd->sc_data_direction);
3483 sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
3484 }
3485
3486 if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
3487 /* List assured to be having elements */
3488 qla2x00_clean_dsd_pool(ha, sp);
3489 sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
3490 }
3491
3492 if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
3493 dma_pool_free(ha->dl_dma_pool, sp->ctx,
3494 ((struct crc_context *)sp->ctx)->crc_ctx_dma);
3495 sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
3496 }
3497
3498 CMD_SP(cmd) = NULL;
3499 }
3500
3501 static void
3502 qla2x00_sp_final_compl(struct qla_hw_data *ha, srb_t *sp)
3503 {
3504 struct scsi_cmnd *cmd = sp->cmd;
3505
3506 qla2x00_sp_free_dma(sp);
3507
3508 if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
3509 struct ct6_dsd *ctx = sp->ctx;
3510 dma_pool_free(ha->fcp_cmnd_dma_pool, ctx->fcp_cmnd,
3511 ctx->fcp_cmnd_dma);
3512 list_splice(&ctx->dsd_list, &ha->gbl_dsd_list);
3513 ha->gbl_dsd_inuse -= ctx->dsd_use_cnt;
3514 ha->gbl_dsd_avail += ctx->dsd_use_cnt;
3515 mempool_free(sp->ctx, ha->ctx_mempool);
3516 sp->ctx = NULL;
3517 }
3518
3519 mempool_free(sp, ha->srb_mempool);
3520 cmd->scsi_done(cmd);
3521 }
3522
3523 void
3524 qla2x00_sp_compl(struct qla_hw_data *ha, srb_t *sp)
3525 {
3526 if (atomic_read(&sp->ref_count) == 0) {
3527 DEBUG2(qla_printk(KERN_WARNING, ha,
3528 "SP reference-count to ZERO -- sp=%p\n", sp));
3529 DEBUG2(BUG());
3530 return;
3531 }
3532 if (!atomic_dec_and_test(&sp->ref_count))
3533 return;
3534 qla2x00_sp_final_compl(ha, sp);
3535 }
3536
3537 /**************************************************************************
3538 * qla2x00_timer
3539 *
3540 * Description:
3541 * One second timer
3542 *
3543 * Context: Interrupt
3544 ***************************************************************************/
3545 void
3546 qla2x00_timer(scsi_qla_host_t *vha)
3547 {
3548 unsigned long cpu_flags = 0;
3549 int start_dpc = 0;
3550 int index;
3551 srb_t *sp;
3552 uint16_t w;
3553 struct qla_hw_data *ha = vha->hw;
3554 struct req_que *req;
3555
3556 if (ha->flags.eeh_busy) {
3557 qla2x00_restart_timer(vha, WATCH_INTERVAL);
3558 return;
3559 }
3560
3561 if (IS_QLA82XX(ha))
3562 qla82xx_watchdog(vha);
3563
3564 /* Hardware read to raise pending EEH errors during mailbox waits. */
3565 if (!pci_channel_offline(ha->pdev))
3566 pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
3567
3568 /* Loop down handler. */
3569 if (atomic_read(&vha->loop_down_timer) > 0 &&
3570 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
3571 && vha->flags.online) {
3572
3573 if (atomic_read(&vha->loop_down_timer) ==
3574 vha->loop_down_abort_time) {
3575
3576 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
3577 "queues before time expire\n",
3578 vha->host_no));
3579
3580 if (!IS_QLA2100(ha) && vha->link_down_timeout)
3581 atomic_set(&vha->loop_state, LOOP_DEAD);
3582
3583 /*
3584 * Schedule an ISP abort to return any FCP2-device
3585 * commands.
3586 */
3587 /* NPIV - scan physical port only */
3588 if (!vha->vp_idx) {
3589 spin_lock_irqsave(&ha->hardware_lock,
3590 cpu_flags);
3591 req = ha->req_q_map[0];
3592 for (index = 1;
3593 index < MAX_OUTSTANDING_COMMANDS;
3594 index++) {
3595 fc_port_t *sfcp;
3596
3597 sp = req->outstanding_cmds[index];
3598 if (!sp)
3599 continue;
3600 if (sp->ctx && !IS_PROT_IO(sp))
3601 continue;
3602 sfcp = sp->fcport;
3603 if (!(sfcp->flags & FCF_FCP2_DEVICE))
3604 continue;
3605
3606 set_bit(ISP_ABORT_NEEDED,
3607 &vha->dpc_flags);
3608 break;
3609 }
3610 spin_unlock_irqrestore(&ha->hardware_lock,
3611 cpu_flags);
3612 }
3613 start_dpc++;
3614 }
3615
3616 /* if the loop has been down for 4 minutes, reinit adapter */
3617 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
3618 if (!(vha->device_flags & DFLG_NO_CABLE)) {
3619 DEBUG(printk("scsi(%ld): Loop down - "
3620 "aborting ISP.\n",
3621 vha->host_no));
3622 qla_printk(KERN_WARNING, ha,
3623 "Loop down - aborting ISP.\n");
3624
3625 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3626 }
3627 }
3628 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
3629 vha->host_no,
3630 atomic_read(&vha->loop_down_timer)));
3631 }
3632
3633 /* Check if beacon LED needs to be blinked */
3634 if (ha->beacon_blink_led == 1) {
3635 set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
3636 start_dpc++;
3637 }
3638
3639 /* Process any deferred work. */
3640 if (!list_empty(&vha->work_list))
3641 start_dpc++;
3642
3643 /* Schedule the DPC routine if needed */
3644 if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
3645 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
3646 test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
3647 start_dpc ||
3648 test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
3649 test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
3650 test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) ||
3651 test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
3652 test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
3653 test_bit(RELOGIN_NEEDED, &vha->dpc_flags)))
3654 qla2xxx_wake_dpc(vha);
3655
3656 qla2x00_restart_timer(vha, WATCH_INTERVAL);
3657 }
3658
3659 /* Firmware interface routines. */
3660
3661 #define FW_BLOBS 8
3662 #define FW_ISP21XX 0
3663 #define FW_ISP22XX 1
3664 #define FW_ISP2300 2
3665 #define FW_ISP2322 3
3666 #define FW_ISP24XX 4
3667 #define FW_ISP25XX 5
3668 #define FW_ISP81XX 6
3669 #define FW_ISP82XX 7
3670
3671 #define FW_FILE_ISP21XX "ql2100_fw.bin"
3672 #define FW_FILE_ISP22XX "ql2200_fw.bin"
3673 #define FW_FILE_ISP2300 "ql2300_fw.bin"
3674 #define FW_FILE_ISP2322 "ql2322_fw.bin"
3675 #define FW_FILE_ISP24XX "ql2400_fw.bin"
3676 #define FW_FILE_ISP25XX "ql2500_fw.bin"
3677 #define FW_FILE_ISP81XX "ql8100_fw.bin"
3678 #define FW_FILE_ISP82XX "ql8200_fw.bin"
3679
3680 static DEFINE_MUTEX(qla_fw_lock);
3681
3682 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
3683 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
3684 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
3685 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
3686 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
3687 { .name = FW_FILE_ISP24XX, },
3688 { .name = FW_FILE_ISP25XX, },
3689 { .name = FW_FILE_ISP81XX, },
3690 { .name = FW_FILE_ISP82XX, },
3691 };
3692
3693 struct fw_blob *
3694 qla2x00_request_firmware(scsi_qla_host_t *vha)
3695 {
3696 struct qla_hw_data *ha = vha->hw;
3697 struct fw_blob *blob;
3698
3699 blob = NULL;
3700 if (IS_QLA2100(ha)) {
3701 blob = &qla_fw_blobs[FW_ISP21XX];
3702 } else if (IS_QLA2200(ha)) {
3703 blob = &qla_fw_blobs[FW_ISP22XX];
3704 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
3705 blob = &qla_fw_blobs[FW_ISP2300];
3706 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
3707 blob = &qla_fw_blobs[FW_ISP2322];
3708 } else if (IS_QLA24XX_TYPE(ha)) {
3709 blob = &qla_fw_blobs[FW_ISP24XX];
3710 } else if (IS_QLA25XX(ha)) {
3711 blob = &qla_fw_blobs[FW_ISP25XX];
3712 } else if (IS_QLA81XX(ha)) {
3713 blob = &qla_fw_blobs[FW_ISP81XX];
3714 } else if (IS_QLA82XX(ha)) {
3715 blob = &qla_fw_blobs[FW_ISP82XX];
3716 }
3717
3718 mutex_lock(&qla_fw_lock);
3719 if (blob->fw)
3720 goto out;
3721
3722 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
3723 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
3724 "(%s).\n", vha->host_no, blob->name));
3725 blob->fw = NULL;
3726 blob = NULL;
3727 goto out;
3728 }
3729
3730 out:
3731 mutex_unlock(&qla_fw_lock);
3732 return blob;
3733 }
3734
3735 static void
3736 qla2x00_release_firmware(void)
3737 {
3738 int idx;
3739
3740 mutex_lock(&qla_fw_lock);
3741 for (idx = 0; idx < FW_BLOBS; idx++)
3742 if (qla_fw_blobs[idx].fw)
3743 release_firmware(qla_fw_blobs[idx].fw);
3744 mutex_unlock(&qla_fw_lock);
3745 }
3746
3747 static pci_ers_result_t
3748 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
3749 {
3750 scsi_qla_host_t *vha = pci_get_drvdata(pdev);
3751 struct qla_hw_data *ha = vha->hw;
3752
3753 DEBUG2(qla_printk(KERN_WARNING, ha, "error_detected:state %x\n",
3754 state));
3755
3756 switch (state) {
3757 case pci_channel_io_normal:
3758 ha->flags.eeh_busy = 0;
3759 return PCI_ERS_RESULT_CAN_RECOVER;
3760 case pci_channel_io_frozen:
3761 ha->flags.eeh_busy = 1;
3762 /* For ISP82XX complete any pending mailbox cmd */
3763 if (IS_QLA82XX(ha)) {
3764 ha->flags.fw_hung = 1;
3765 if (ha->flags.mbox_busy) {
3766 ha->flags.mbox_int = 1;
3767 DEBUG2(qla_printk(KERN_ERR, ha,
3768 "Due to pci channel io frozen, doing premature "
3769 "completion of mbx command\n"));
3770 complete(&ha->mbx_intr_comp);
3771 }
3772 }
3773 qla2x00_free_irqs(vha);
3774 pci_disable_device(pdev);
3775 /* Return back all IOs */
3776 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
3777 return PCI_ERS_RESULT_NEED_RESET;
3778 case pci_channel_io_perm_failure:
3779 ha->flags.pci_channel_io_perm_failure = 1;
3780 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
3781 return PCI_ERS_RESULT_DISCONNECT;
3782 }
3783 return PCI_ERS_RESULT_NEED_RESET;
3784 }
3785
3786 static pci_ers_result_t
3787 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
3788 {
3789 int risc_paused = 0;
3790 uint32_t stat;
3791 unsigned long flags;
3792 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3793 struct qla_hw_data *ha = base_vha->hw;
3794 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3795 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
3796
3797 if (IS_QLA82XX(ha))
3798 return PCI_ERS_RESULT_RECOVERED;
3799
3800 spin_lock_irqsave(&ha->hardware_lock, flags);
3801 if (IS_QLA2100(ha) || IS_QLA2200(ha)){
3802 stat = RD_REG_DWORD(&reg->hccr);
3803 if (stat & HCCR_RISC_PAUSE)
3804 risc_paused = 1;
3805 } else if (IS_QLA23XX(ha)) {
3806 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
3807 if (stat & HSR_RISC_PAUSED)
3808 risc_paused = 1;
3809 } else if (IS_FWI2_CAPABLE(ha)) {
3810 stat = RD_REG_DWORD(&reg24->host_status);
3811 if (stat & HSRX_RISC_PAUSED)
3812 risc_paused = 1;
3813 }
3814 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3815
3816 if (risc_paused) {
3817 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
3818 "Dumping firmware!\n");
3819 ha->isp_ops->fw_dump(base_vha, 0);
3820
3821 return PCI_ERS_RESULT_NEED_RESET;
3822 } else
3823 return PCI_ERS_RESULT_RECOVERED;
3824 }
3825
3826 uint32_t qla82xx_error_recovery(scsi_qla_host_t *base_vha)
3827 {
3828 uint32_t rval = QLA_FUNCTION_FAILED;
3829 uint32_t drv_active = 0;
3830 struct qla_hw_data *ha = base_vha->hw;
3831 int fn;
3832 struct pci_dev *other_pdev = NULL;
3833
3834 DEBUG17(qla_printk(KERN_INFO, ha,
3835 "scsi(%ld): In qla82xx_error_recovery\n", base_vha->host_no));
3836
3837 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3838
3839 if (base_vha->flags.online) {
3840 /* Abort all outstanding commands,
3841 * so as to be requeued later */
3842 qla2x00_abort_isp_cleanup(base_vha);
3843 }
3844
3845
3846 fn = PCI_FUNC(ha->pdev->devfn);
3847 while (fn > 0) {
3848 fn--;
3849 DEBUG17(qla_printk(KERN_INFO, ha,
3850 "Finding pci device at function = 0x%x\n", fn));
3851 other_pdev =
3852 pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus),
3853 ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn),
3854 fn));
3855
3856 if (!other_pdev)
3857 continue;
3858 if (atomic_read(&other_pdev->enable_cnt)) {
3859 DEBUG17(qla_printk(KERN_INFO, ha,
3860 "Found PCI func availabe and enabled at 0x%x\n",
3861 fn));
3862 pci_dev_put(other_pdev);
3863 break;
3864 }
3865 pci_dev_put(other_pdev);
3866 }
3867
3868 if (!fn) {
3869 /* Reset owner */
3870 DEBUG17(qla_printk(KERN_INFO, ha,
3871 "This devfn is reset owner = 0x%x\n", ha->pdev->devfn));
3872 qla82xx_idc_lock(ha);
3873
3874 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3875 QLA82XX_DEV_INITIALIZING);
3876
3877 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_IDC_VERSION,
3878 QLA82XX_IDC_VERSION);
3879
3880 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
3881 DEBUG17(qla_printk(KERN_INFO, ha,
3882 "drv_active = 0x%x\n", drv_active));
3883
3884 qla82xx_idc_unlock(ha);
3885 /* Reset if device is not already reset
3886 * drv_active would be 0 if a reset has already been done
3887 */
3888 if (drv_active)
3889 rval = qla82xx_start_firmware(base_vha);
3890 else
3891 rval = QLA_SUCCESS;
3892 qla82xx_idc_lock(ha);
3893
3894 if (rval != QLA_SUCCESS) {
3895 qla_printk(KERN_INFO, ha, "HW State: FAILED\n");
3896 qla82xx_clear_drv_active(ha);
3897 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3898 QLA82XX_DEV_FAILED);
3899 } else {
3900 qla_printk(KERN_INFO, ha, "HW State: READY\n");
3901 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3902 QLA82XX_DEV_READY);
3903 qla82xx_idc_unlock(ha);
3904 ha->flags.fw_hung = 0;
3905 rval = qla82xx_restart_isp(base_vha);
3906 qla82xx_idc_lock(ha);
3907 /* Clear driver state register */
3908 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, 0);
3909 qla82xx_set_drv_active(base_vha);
3910 }
3911 qla82xx_idc_unlock(ha);
3912 } else {
3913 DEBUG17(qla_printk(KERN_INFO, ha,
3914 "This devfn is not reset owner = 0x%x\n", ha->pdev->devfn));
3915 if ((qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE) ==
3916 QLA82XX_DEV_READY)) {
3917 ha->flags.fw_hung = 0;
3918 rval = qla82xx_restart_isp(base_vha);
3919 qla82xx_idc_lock(ha);
3920 qla82xx_set_drv_active(base_vha);
3921 qla82xx_idc_unlock(ha);
3922 }
3923 }
3924 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3925
3926 return rval;
3927 }
3928
3929 static pci_ers_result_t
3930 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
3931 {
3932 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
3933 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3934 struct qla_hw_data *ha = base_vha->hw;
3935 struct rsp_que *rsp;
3936 int rc, retries = 10;
3937
3938 DEBUG17(qla_printk(KERN_WARNING, ha, "slot_reset\n"));
3939
3940 /* Workaround: qla2xxx driver which access hardware earlier
3941 * needs error state to be pci_channel_io_online.
3942 * Otherwise mailbox command timesout.
3943 */
3944 pdev->error_state = pci_channel_io_normal;
3945
3946 pci_restore_state(pdev);
3947
3948 /* pci_restore_state() clears the saved_state flag of the device
3949 * save restored state which resets saved_state flag
3950 */
3951 pci_save_state(pdev);
3952
3953 if (ha->mem_only)
3954 rc = pci_enable_device_mem(pdev);
3955 else
3956 rc = pci_enable_device(pdev);
3957
3958 if (rc) {
3959 qla_printk(KERN_WARNING, ha,
3960 "Can't re-enable PCI device after reset.\n");
3961 goto exit_slot_reset;
3962 }
3963
3964 rsp = ha->rsp_q_map[0];
3965 if (qla2x00_request_irqs(ha, rsp))
3966 goto exit_slot_reset;
3967
3968 if (ha->isp_ops->pci_config(base_vha))
3969 goto exit_slot_reset;
3970
3971 if (IS_QLA82XX(ha)) {
3972 if (qla82xx_error_recovery(base_vha) == QLA_SUCCESS) {
3973 ret = PCI_ERS_RESULT_RECOVERED;
3974 goto exit_slot_reset;
3975 } else
3976 goto exit_slot_reset;
3977 }
3978
3979 while (ha->flags.mbox_busy && retries--)
3980 msleep(1000);
3981
3982 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3983 if (ha->isp_ops->abort_isp(base_vha) == QLA_SUCCESS)
3984 ret = PCI_ERS_RESULT_RECOVERED;
3985 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3986
3987
3988 exit_slot_reset:
3989 DEBUG17(qla_printk(KERN_WARNING, ha,
3990 "slot_reset-return:ret=%x\n", ret));
3991
3992 return ret;
3993 }
3994
3995 static void
3996 qla2xxx_pci_resume(struct pci_dev *pdev)
3997 {
3998 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3999 struct qla_hw_data *ha = base_vha->hw;
4000 int ret;
4001
4002 DEBUG17(qla_printk(KERN_WARNING, ha, "pci_resume\n"));
4003
4004 ret = qla2x00_wait_for_hba_online(base_vha);
4005 if (ret != QLA_SUCCESS) {
4006 qla_printk(KERN_ERR, ha,
4007 "the device failed to resume I/O "
4008 "from slot/link_reset");
4009 }
4010
4011 pci_cleanup_aer_uncorrect_error_status(pdev);
4012
4013 ha->flags.eeh_busy = 0;
4014 }
4015
4016 static struct pci_error_handlers qla2xxx_err_handler = {
4017 .error_detected = qla2xxx_pci_error_detected,
4018 .mmio_enabled = qla2xxx_pci_mmio_enabled,
4019 .slot_reset = qla2xxx_pci_slot_reset,
4020 .resume = qla2xxx_pci_resume,
4021 };
4022
4023 static struct pci_device_id qla2xxx_pci_tbl[] = {
4024 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
4025 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
4026 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
4027 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
4028 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
4029 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
4030 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
4031 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
4032 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
4033 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
4034 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
4035 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
4036 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
4037 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
4038 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) },
4039 { 0 },
4040 };
4041 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
4042
4043 static struct pci_driver qla2xxx_pci_driver = {
4044 .name = QLA2XXX_DRIVER_NAME,
4045 .driver = {
4046 .owner = THIS_MODULE,
4047 },
4048 .id_table = qla2xxx_pci_tbl,
4049 .probe = qla2x00_probe_one,
4050 .remove = qla2x00_remove_one,
4051 .err_handler = &qla2xxx_err_handler,
4052 };
4053
4054 static struct file_operations apidev_fops = {
4055 .owner = THIS_MODULE,
4056 .llseek = noop_llseek,
4057 };
4058
4059 /**
4060 * qla2x00_module_init - Module initialization.
4061 **/
4062 static int __init
4063 qla2x00_module_init(void)
4064 {
4065 int ret = 0;
4066
4067 /* Allocate cache for SRBs. */
4068 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
4069 SLAB_HWCACHE_ALIGN, NULL);
4070 if (srb_cachep == NULL) {
4071 printk(KERN_ERR
4072 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
4073 return -ENOMEM;
4074 }
4075
4076 /* Derive version string. */
4077 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
4078 if (ql2xextended_error_logging)
4079 strcat(qla2x00_version_str, "-debug");
4080
4081 qla2xxx_transport_template =
4082 fc_attach_transport(&qla2xxx_transport_functions);
4083 if (!qla2xxx_transport_template) {
4084 kmem_cache_destroy(srb_cachep);
4085 return -ENODEV;
4086 }
4087
4088 apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops);
4089 if (apidev_major < 0) {
4090 printk(KERN_WARNING "qla2xxx: Unable to register char device "
4091 "%s\n", QLA2XXX_APIDEV);
4092 }
4093
4094 qla2xxx_transport_vport_template =
4095 fc_attach_transport(&qla2xxx_transport_vport_functions);
4096 if (!qla2xxx_transport_vport_template) {
4097 kmem_cache_destroy(srb_cachep);
4098 fc_release_transport(qla2xxx_transport_template);
4099 return -ENODEV;
4100 }
4101
4102 printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n",
4103 qla2x00_version_str);
4104 ret = pci_register_driver(&qla2xxx_pci_driver);
4105 if (ret) {
4106 kmem_cache_destroy(srb_cachep);
4107 fc_release_transport(qla2xxx_transport_template);
4108 fc_release_transport(qla2xxx_transport_vport_template);
4109 }
4110 return ret;
4111 }
4112
4113 /**
4114 * qla2x00_module_exit - Module cleanup.
4115 **/
4116 static void __exit
4117 qla2x00_module_exit(void)
4118 {
4119 unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
4120 pci_unregister_driver(&qla2xxx_pci_driver);
4121 qla2x00_release_firmware();
4122 kmem_cache_destroy(srb_cachep);
4123 if (ctx_cachep)
4124 kmem_cache_destroy(ctx_cachep);
4125 fc_release_transport(qla2xxx_transport_template);
4126 fc_release_transport(qla2xxx_transport_vport_template);
4127 }
4128
4129 module_init(qla2x00_module_init);
4130 module_exit(qla2x00_module_exit);
4131
4132 MODULE_AUTHOR("QLogic Corporation");
4133 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
4134 MODULE_LICENSE("GPL");
4135 MODULE_VERSION(QLA2XXX_VERSION);
4136 MODULE_FIRMWARE(FW_FILE_ISP21XX);
4137 MODULE_FIRMWARE(FW_FILE_ISP22XX);
4138 MODULE_FIRMWARE(FW_FILE_ISP2300);
4139 MODULE_FIRMWARE(FW_FILE_ISP2322);
4140 MODULE_FIRMWARE(FW_FILE_ISP24XX);
4141 MODULE_FIRMWARE(FW_FILE_ISP25XX);
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