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USB: Add EHCI and OHCH glue for OCTEON II SOCs.
[linux/fpc-iii.git] / drivers / scsi / qla2xxx / qla_os.c
blob800ea926975236214c2846e4aa8b18ad12ebd56c
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
164 int ql2xasynctmfenable;
165 module_param(ql2xasynctmfenable, int, S_IRUGO|S_IRUSR);
166 MODULE_PARM_DESC(ql2xasynctmfenable,
167 "Enables issue of TM IOCBs asynchronously via IOCB mechanism"
168 "Default is 0 - Issue TM IOCBs via mailbox mechanism.");
169 /*
170 * SCSI host template entry points
171 */
172 static int qla2xxx_slave_configure(struct scsi_device * device);
173 static int qla2xxx_slave_alloc(struct scsi_device *);
174 static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
175 static void qla2xxx_scan_start(struct Scsi_Host *);
176 static void qla2xxx_slave_destroy(struct scsi_device *);
177 static int qla2xxx_queuecommand(struct scsi_cmnd *cmd,
178 void (*fn)(struct scsi_cmnd *));
179 static int qla2xxx_eh_abort(struct scsi_cmnd *);
180 static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
181 static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
182 static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
183 static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
184
185 static int qla2x00_change_queue_depth(struct scsi_device *, int, int);
186 static int qla2x00_change_queue_type(struct scsi_device *, int);
187
188 struct scsi_host_template qla2xxx_driver_template = {
189 .module = THIS_MODULE,
190 .name = QLA2XXX_DRIVER_NAME,
191 .queuecommand = qla2xxx_queuecommand,
192
193 .eh_abort_handler = qla2xxx_eh_abort,
194 .eh_device_reset_handler = qla2xxx_eh_device_reset,
195 .eh_target_reset_handler = qla2xxx_eh_target_reset,
196 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
197 .eh_host_reset_handler = qla2xxx_eh_host_reset,
198
199 .slave_configure = qla2xxx_slave_configure,
200
201 .slave_alloc = qla2xxx_slave_alloc,
202 .slave_destroy = qla2xxx_slave_destroy,
203 .scan_finished = qla2xxx_scan_finished,
204 .scan_start = qla2xxx_scan_start,
205 .change_queue_depth = qla2x00_change_queue_depth,
206 .change_queue_type = qla2x00_change_queue_type,
207 .this_id = -1,
208 .cmd_per_lun = 3,
209 .use_clustering = ENABLE_CLUSTERING,
210 .sg_tablesize = SG_ALL,
211
212 .max_sectors = 0xFFFF,
213 .shost_attrs = qla2x00_host_attrs,
214 };
215
216 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
217 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
218
219 /* TODO Convert to inlines
220 *
221 * Timer routines
222 */
223
224 __inline__ void
225 qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval)
226 {
227 init_timer(&vha->timer);
228 vha->timer.expires = jiffies + interval * HZ;
229 vha->timer.data = (unsigned long)vha;
230 vha->timer.function = (void (*)(unsigned long))func;
231 add_timer(&vha->timer);
232 vha->timer_active = 1;
233 }
234
235 static inline void
236 qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
237 {
238 /* Currently used for 82XX only. */
239 if (vha->device_flags & DFLG_DEV_FAILED)
240 return;
241
242 mod_timer(&vha->timer, jiffies + interval * HZ);
243 }
244
245 static __inline__ void
246 qla2x00_stop_timer(scsi_qla_host_t *vha)
247 {
248 del_timer_sync(&vha->timer);
249 vha->timer_active = 0;
250 }
251
252 static int qla2x00_do_dpc(void *data);
253
254 static void qla2x00_rst_aen(scsi_qla_host_t *);
255
256 static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
257 struct req_que **, struct rsp_que **);
258 static void qla2x00_mem_free(struct qla_hw_data *);
259 static void qla2x00_sp_free_dma(srb_t *);
260
261 /* -------------------------------------------------------------------------- */
262 static int qla2x00_alloc_queues(struct qla_hw_data *ha)
263 {
264 ha->req_q_map = kzalloc(sizeof(struct req_que *) * ha->max_req_queues,
265 GFP_KERNEL);
266 if (!ha->req_q_map) {
267 qla_printk(KERN_WARNING, ha,
268 "Unable to allocate memory for request queue ptrs\n");
269 goto fail_req_map;
270 }
271
272 ha->rsp_q_map = kzalloc(sizeof(struct rsp_que *) * ha->max_rsp_queues,
273 GFP_KERNEL);
274 if (!ha->rsp_q_map) {
275 qla_printk(KERN_WARNING, ha,
276 "Unable to allocate memory for response queue ptrs\n");
277 goto fail_rsp_map;
278 }
279 set_bit(0, ha->rsp_qid_map);
280 set_bit(0, ha->req_qid_map);
281 return 1;
282
283 fail_rsp_map:
284 kfree(ha->req_q_map);
285 ha->req_q_map = NULL;
286 fail_req_map:
287 return -ENOMEM;
288 }
289
290 static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
291 {
292 if (req && req->ring)
293 dma_free_coherent(&ha->pdev->dev,
294 (req->length + 1) * sizeof(request_t),
295 req->ring, req->dma);
296
297 kfree(req);
298 req = NULL;
299 }
300
301 static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
302 {
303 if (rsp && rsp->ring)
304 dma_free_coherent(&ha->pdev->dev,
305 (rsp->length + 1) * sizeof(response_t),
306 rsp->ring, rsp->dma);
307
308 kfree(rsp);
309 rsp = NULL;
310 }
311
312 static void qla2x00_free_queues(struct qla_hw_data *ha)
313 {
314 struct req_que *req;
315 struct rsp_que *rsp;
316 int cnt;
317
318 for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
319 req = ha->req_q_map[cnt];
320 qla2x00_free_req_que(ha, req);
321 }
322 kfree(ha->req_q_map);
323 ha->req_q_map = NULL;
324
325 for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
326 rsp = ha->rsp_q_map[cnt];
327 qla2x00_free_rsp_que(ha, rsp);
328 }
329 kfree(ha->rsp_q_map);
330 ha->rsp_q_map = NULL;
331 }
332
333 static int qla25xx_setup_mode(struct scsi_qla_host *vha)
334 {
335 uint16_t options = 0;
336 int ques, req, ret;
337 struct qla_hw_data *ha = vha->hw;
338
339 if (!(ha->fw_attributes & BIT_6)) {
340 qla_printk(KERN_INFO, ha,
341 "Firmware is not multi-queue capable\n");
342 goto fail;
343 }
344 if (ql2xmultique_tag) {
345 /* create a request queue for IO */
346 options |= BIT_7;
347 req = qla25xx_create_req_que(ha, options, 0, 0, -1,
348 QLA_DEFAULT_QUE_QOS);
349 if (!req) {
350 qla_printk(KERN_WARNING, ha,
351 "Can't create request queue\n");
352 goto fail;
353 }
354 ha->wq = create_workqueue("qla2xxx_wq");
355 vha->req = ha->req_q_map[req];
356 options |= BIT_1;
357 for (ques = 1; ques < ha->max_rsp_queues; ques++) {
358 ret = qla25xx_create_rsp_que(ha, options, 0, 0, req);
359 if (!ret) {
360 qla_printk(KERN_WARNING, ha,
361 "Response Queue create failed\n");
362 goto fail2;
363 }
364 }
365 ha->flags.cpu_affinity_enabled = 1;
366
367 DEBUG2(qla_printk(KERN_INFO, ha,
368 "CPU affinity mode enabled, no. of response"
369 " queues:%d, no. of request queues:%d\n",
370 ha->max_rsp_queues, ha->max_req_queues));
371 }
372 return 0;
373 fail2:
374 qla25xx_delete_queues(vha);
375 destroy_workqueue(ha->wq);
376 ha->wq = NULL;
377 fail:
378 ha->mqenable = 0;
379 kfree(ha->req_q_map);
380 kfree(ha->rsp_q_map);
381 ha->max_req_queues = ha->max_rsp_queues = 1;
382 return 1;
383 }
384
385 static char *
386 qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
387 {
388 struct qla_hw_data *ha = vha->hw;
389 static char *pci_bus_modes[] = {
390 "33", "66", "100", "133",
391 };
392 uint16_t pci_bus;
393
394 strcpy(str, "PCI");
395 pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
396 if (pci_bus) {
397 strcat(str, "-X (");
398 strcat(str, pci_bus_modes[pci_bus]);
399 } else {
400 pci_bus = (ha->pci_attr & BIT_8) >> 8;
401 strcat(str, " (");
402 strcat(str, pci_bus_modes[pci_bus]);
403 }
404 strcat(str, " MHz)");
405
406 return (str);
407 }
408
409 static char *
410 qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
411 {
412 static char *pci_bus_modes[] = { "33", "66", "100", "133", };
413 struct qla_hw_data *ha = vha->hw;
414 uint32_t pci_bus;
415 int pcie_reg;
416
417 pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
418 if (pcie_reg) {
419 char lwstr[6];
420 uint16_t pcie_lstat, lspeed, lwidth;
421
422 pcie_reg += 0x12;
423 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
424 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
425 lwidth = (pcie_lstat &
426 (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
427
428 strcpy(str, "PCIe (");
429 if (lspeed == 1)
430 strcat(str, "2.5GT/s ");
431 else if (lspeed == 2)
432 strcat(str, "5.0GT/s ");
433 else
434 strcat(str, "<unknown> ");
435 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
436 strcat(str, lwstr);
437
438 return str;
439 }
440
441 strcpy(str, "PCI");
442 pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
443 if (pci_bus == 0 || pci_bus == 8) {
444 strcat(str, " (");
445 strcat(str, pci_bus_modes[pci_bus >> 3]);
446 } else {
447 strcat(str, "-X ");
448 if (pci_bus & BIT_2)
449 strcat(str, "Mode 2");
450 else
451 strcat(str, "Mode 1");
452 strcat(str, " (");
453 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
454 }
455 strcat(str, " MHz)");
456
457 return str;
458 }
459
460 static char *
461 qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str)
462 {
463 char un_str[10];
464 struct qla_hw_data *ha = vha->hw;
465
466 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
467 ha->fw_minor_version,
468 ha->fw_subminor_version);
469
470 if (ha->fw_attributes & BIT_9) {
471 strcat(str, "FLX");
472 return (str);
473 }
474
475 switch (ha->fw_attributes & 0xFF) {
476 case 0x7:
477 strcat(str, "EF");
478 break;
479 case 0x17:
480 strcat(str, "TP");
481 break;
482 case 0x37:
483 strcat(str, "IP");
484 break;
485 case 0x77:
486 strcat(str, "VI");
487 break;
488 default:
489 sprintf(un_str, "(%x)", ha->fw_attributes);
490 strcat(str, un_str);
491 break;
492 }
493 if (ha->fw_attributes & 0x100)
494 strcat(str, "X");
495
496 return (str);
497 }
498
499 static char *
500 qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str)
501 {
502 struct qla_hw_data *ha = vha->hw;
503
504 sprintf(str, "%d.%02d.%02d (%x)", ha->fw_major_version,
505 ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
506 return str;
507 }
508
509 static inline srb_t *
510 qla2x00_get_new_sp(scsi_qla_host_t *vha, fc_port_t *fcport,
511 struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
512 {
513 srb_t *sp;
514 struct qla_hw_data *ha = vha->hw;
515
516 sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
517 if (!sp)
518 return sp;
519
520 atomic_set(&sp->ref_count, 1);
521 sp->fcport = fcport;
522 sp->cmd = cmd;
523 sp->flags = 0;
524 CMD_SP(cmd) = (void *)sp;
525 cmd->scsi_done = done;
526 sp->ctx = NULL;
527
528 return sp;
529 }
530
531 static int
532 qla2xxx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
533 {
534 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
535 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
536 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
537 struct qla_hw_data *ha = vha->hw;
538 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
539 srb_t *sp;
540 int rval;
541
542 if (ha->flags.eeh_busy) {
543 if (ha->flags.pci_channel_io_perm_failure)
544 cmd->result = DID_NO_CONNECT << 16;
545 else
546 cmd->result = DID_REQUEUE << 16;
547 goto qc24_fail_command;
548 }
549
550 rval = fc_remote_port_chkready(rport);
551 if (rval) {
552 cmd->result = rval;
553 goto qc24_fail_command;
554 }
555
556 /* Close window on fcport/rport state-transitioning. */
557 if (fcport->drport)
558 goto qc24_target_busy;
559
560 if (!vha->flags.difdix_supported &&
561 scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
562 DEBUG2(qla_printk(KERN_ERR, ha,
563 "DIF Cap Not Reg, fail DIF capable cmd's:%x\n",
564 cmd->cmnd[0]));
565 cmd->result = DID_NO_CONNECT << 16;
566 goto qc24_fail_command;
567 }
568 if (atomic_read(&fcport->state) != FCS_ONLINE) {
569 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
570 atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
571 cmd->result = DID_NO_CONNECT << 16;
572 goto qc24_fail_command;
573 }
574 goto qc24_target_busy;
575 }
576
577 spin_unlock_irq(vha->host->host_lock);
578
579 sp = qla2x00_get_new_sp(base_vha, fcport, cmd, done);
580 if (!sp)
581 goto qc24_host_busy_lock;
582
583 rval = ha->isp_ops->start_scsi(sp);
584 if (rval != QLA_SUCCESS)
585 goto qc24_host_busy_free_sp;
586
587 spin_lock_irq(vha->host->host_lock);
588
589 return 0;
590
591 qc24_host_busy_free_sp:
592 qla2x00_sp_free_dma(sp);
593 mempool_free(sp, ha->srb_mempool);
594
595 qc24_host_busy_lock:
596 spin_lock_irq(vha->host->host_lock);
597 return SCSI_MLQUEUE_HOST_BUSY;
598
599 qc24_target_busy:
600 return SCSI_MLQUEUE_TARGET_BUSY;
601
602 qc24_fail_command:
603 done(cmd);
604
605 return 0;
606 }
607
608
609 /*
610 * qla2x00_eh_wait_on_command
611 * Waits for the command to be returned by the Firmware for some
612 * max time.
613 *
614 * Input:
615 * cmd = Scsi Command to wait on.
616 *
617 * Return:
618 * Not Found : 0
619 * Found : 1
620 */
621 static int
622 qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
623 {
624 #define ABORT_POLLING_PERIOD 1000
625 #define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
626 unsigned long wait_iter = ABORT_WAIT_ITER;
627 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
628 struct qla_hw_data *ha = vha->hw;
629 int ret = QLA_SUCCESS;
630
631 if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) {
632 DEBUG17(qla_printk(KERN_WARNING, ha, "return:eh_wait\n"));
633 return ret;
634 }
635
636 while (CMD_SP(cmd) && wait_iter--) {
637 msleep(ABORT_POLLING_PERIOD);
638 }
639 if (CMD_SP(cmd))
640 ret = QLA_FUNCTION_FAILED;
641
642 return ret;
643 }
644
645 /*
646 * qla2x00_wait_for_hba_online
647 * Wait till the HBA is online after going through
648 * <= MAX_RETRIES_OF_ISP_ABORT or
649 * finally HBA is disabled ie marked offline
650 *
651 * Input:
652 * ha - pointer to host adapter structure
653 *
654 * Note:
655 * Does context switching-Release SPIN_LOCK
656 * (if any) before calling this routine.
657 *
658 * Return:
659 * Success (Adapter is online) : 0
660 * Failed (Adapter is offline/disabled) : 1
661 */
662 int
663 qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
664 {
665 int return_status;
666 unsigned long wait_online;
667 struct qla_hw_data *ha = vha->hw;
668 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
669
670 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
671 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
672 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
673 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
674 ha->dpc_active) && time_before(jiffies, wait_online)) {
675
676 msleep(1000);
677 }
678 if (base_vha->flags.online)
679 return_status = QLA_SUCCESS;
680 else
681 return_status = QLA_FUNCTION_FAILED;
682
683 return (return_status);
684 }
685
686 /*
687 * qla2x00_wait_for_reset_ready
688 * Wait till the HBA is online after going through
689 * <= MAX_RETRIES_OF_ISP_ABORT or
690 * finally HBA is disabled ie marked offline or flash
691 * operations are in progress.
692 *
693 * Input:
694 * ha - pointer to host adapter structure
695 *
696 * Note:
697 * Does context switching-Release SPIN_LOCK
698 * (if any) before calling this routine.
699 *
700 * Return:
701 * Success (Adapter is online/no flash ops) : 0
702 * Failed (Adapter is offline/disabled/flash ops in progress) : 1
703 */
704 static int
705 qla2x00_wait_for_reset_ready(scsi_qla_host_t *vha)
706 {
707 int return_status;
708 unsigned long wait_online;
709 struct qla_hw_data *ha = vha->hw;
710 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
711
712 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
713 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
714 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
715 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
716 ha->optrom_state != QLA_SWAITING ||
717 ha->dpc_active) && time_before(jiffies, wait_online))
718 msleep(1000);
719
720 if (base_vha->flags.online && ha->optrom_state == QLA_SWAITING)
721 return_status = QLA_SUCCESS;
722 else
723 return_status = QLA_FUNCTION_FAILED;
724
725 DEBUG2(printk("%s return_status=%d\n", __func__, return_status));
726
727 return return_status;
728 }
729
730 int
731 qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
732 {
733 int return_status;
734 unsigned long wait_reset;
735 struct qla_hw_data *ha = vha->hw;
736 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
737
738 wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
739 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
740 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
741 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
742 ha->dpc_active) && time_before(jiffies, wait_reset)) {
743
744 msleep(1000);
745
746 if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
747 ha->flags.chip_reset_done)
748 break;
749 }
750 if (ha->flags.chip_reset_done)
751 return_status = QLA_SUCCESS;
752 else
753 return_status = QLA_FUNCTION_FAILED;
754
755 return return_status;
756 }
757
758 /*
759 * qla2x00_wait_for_loop_ready
760 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
761 * to be in LOOP_READY state.
762 * Input:
763 * ha - pointer to host adapter structure
764 *
765 * Note:
766 * Does context switching-Release SPIN_LOCK
767 * (if any) before calling this routine.
768 *
769 *
770 * Return:
771 * Success (LOOP_READY) : 0
772 * Failed (LOOP_NOT_READY) : 1
773 */
774 static inline int
775 qla2x00_wait_for_loop_ready(scsi_qla_host_t *vha)
776 {
777 int return_status = QLA_SUCCESS;
778 unsigned long loop_timeout ;
779 struct qla_hw_data *ha = vha->hw;
780 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
781
782 /* wait for 5 min at the max for loop to be ready */
783 loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
784
785 while ((!atomic_read(&base_vha->loop_down_timer) &&
786 atomic_read(&base_vha->loop_state) == LOOP_DOWN) ||
787 atomic_read(&base_vha->loop_state) != LOOP_READY) {
788 if (atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
789 return_status = QLA_FUNCTION_FAILED;
790 break;
791 }
792 msleep(1000);
793 if (time_after_eq(jiffies, loop_timeout)) {
794 return_status = QLA_FUNCTION_FAILED;
795 break;
796 }
797 }
798 return (return_status);
799 }
800
801 static void
802 sp_get(struct srb *sp)
803 {
804 atomic_inc(&sp->ref_count);
805 }
806
807 /**************************************************************************
808 * qla2xxx_eh_abort
809 *
810 * Description:
811 * The abort function will abort the specified command.
812 *
813 * Input:
814 * cmd = Linux SCSI command packet to be aborted.
815 *
816 * Returns:
817 * Either SUCCESS or FAILED.
818 *
819 * Note:
820 * Only return FAILED if command not returned by firmware.
821 **************************************************************************/
822 static int
823 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
824 {
825 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
826 srb_t *sp;
827 int ret, i;
828 unsigned int id, lun;
829 unsigned long serial;
830 unsigned long flags;
831 int wait = 0;
832 struct qla_hw_data *ha = vha->hw;
833 struct req_que *req = vha->req;
834 srb_t *spt;
835 int got_ref = 0;
836
837 fc_block_scsi_eh(cmd);
838
839 if (!CMD_SP(cmd))
840 return SUCCESS;
841
842 ret = SUCCESS;
843
844 id = cmd->device->id;
845 lun = cmd->device->lun;
846 serial = cmd->serial_number;
847 spt = (srb_t *) CMD_SP(cmd);
848 if (!spt)
849 return SUCCESS;
850
851 /* Check active list for command command. */
852 spin_lock_irqsave(&ha->hardware_lock, flags);
853 for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
854 sp = req->outstanding_cmds[i];
855
856 if (sp == NULL)
857 continue;
858 if ((sp->ctx) && !(sp->flags & SRB_FCP_CMND_DMA_VALID) &&
859 !IS_PROT_IO(sp))
860 continue;
861 if (sp->cmd != cmd)
862 continue;
863
864 DEBUG2(printk("%s(%ld): aborting sp %p from RISC."
865 " pid=%ld.\n", __func__, vha->host_no, sp, serial));
866
867 /* Get a reference to the sp and drop the lock.*/
868 sp_get(sp);
869 got_ref++;
870
871 spin_unlock_irqrestore(&ha->hardware_lock, flags);
872 if (ha->isp_ops->abort_command(sp)) {
873 DEBUG2(printk("%s(%ld): abort_command "
874 "mbx failed.\n", __func__, vha->host_no));
875 ret = FAILED;
876 } else {
877 DEBUG3(printk("%s(%ld): abort_command "
878 "mbx success.\n", __func__, vha->host_no));
879 wait = 1;
880 }
881 spin_lock_irqsave(&ha->hardware_lock, flags);
882 break;
883 }
884 spin_unlock_irqrestore(&ha->hardware_lock, flags);
885
886 /* Wait for the command to be returned. */
887 if (wait) {
888 if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
889 qla_printk(KERN_ERR, ha,
890 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
891 "%x.\n", vha->host_no, id, lun, serial, ret);
892 ret = FAILED;
893 }
894 }
895
896 if (got_ref)
897 qla2x00_sp_compl(ha, sp);
898
899 qla_printk(KERN_INFO, ha,
900 "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
901 vha->host_no, id, lun, wait, serial, ret);
902
903 return ret;
904 }
905
906 int
907 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
908 unsigned int l, enum nexus_wait_type type)
909 {
910 int cnt, match, status;
911 unsigned long flags;
912 struct qla_hw_data *ha = vha->hw;
913 struct req_que *req;
914 srb_t *sp;
915
916 status = QLA_SUCCESS;
917
918 spin_lock_irqsave(&ha->hardware_lock, flags);
919 req = vha->req;
920 for (cnt = 1; status == QLA_SUCCESS &&
921 cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
922 sp = req->outstanding_cmds[cnt];
923 if (!sp)
924 continue;
925 if ((sp->ctx) && !IS_PROT_IO(sp))
926 continue;
927 if (vha->vp_idx != sp->fcport->vha->vp_idx)
928 continue;
929 match = 0;
930 switch (type) {
931 case WAIT_HOST:
932 match = 1;
933 break;
934 case WAIT_TARGET:
935 match = sp->cmd->device->id == t;
936 break;
937 case WAIT_LUN:
938 match = (sp->cmd->device->id == t &&
939 sp->cmd->device->lun == l);
940 break;
941 }
942 if (!match)
943 continue;
944
945 spin_unlock_irqrestore(&ha->hardware_lock, flags);
946 status = qla2x00_eh_wait_on_command(sp->cmd);
947 spin_lock_irqsave(&ha->hardware_lock, flags);
948 }
949 spin_unlock_irqrestore(&ha->hardware_lock, flags);
950
951 return status;
952 }
953
954 static char *reset_errors[] = {
955 "HBA not online",
956 "HBA not ready",
957 "Task management failed",
958 "Waiting for command completions",
959 };
960
961 static int
962 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
963 struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int, int))
964 {
965 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
966 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
967 int err;
968
969 fc_block_scsi_eh(cmd);
970
971 if (!fcport)
972 return FAILED;
973
974 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET ISSUED.\n",
975 vha->host_no, cmd->device->id, cmd->device->lun, name);
976
977 err = 0;
978 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
979 goto eh_reset_failed;
980 err = 1;
981 if (qla2x00_wait_for_loop_ready(vha) != QLA_SUCCESS)
982 goto eh_reset_failed;
983 err = 2;
984 if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
985 != QLA_SUCCESS)
986 goto eh_reset_failed;
987 err = 3;
988 if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
989 cmd->device->lun, type) != QLA_SUCCESS)
990 goto eh_reset_failed;
991
992 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n",
993 vha->host_no, cmd->device->id, cmd->device->lun, name);
994
995 return SUCCESS;
996
997 eh_reset_failed:
998 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n"
999 , vha->host_no, cmd->device->id, cmd->device->lun, name,
1000 reset_errors[err]);
1001 return FAILED;
1002 }
1003
1004 static int
1005 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
1006 {
1007 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1008 struct qla_hw_data *ha = vha->hw;
1009
1010 return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
1011 ha->isp_ops->lun_reset);
1012 }
1013
1014 static int
1015 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1016 {
1017 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1018 struct qla_hw_data *ha = vha->hw;
1019
1020 return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
1021 ha->isp_ops->target_reset);
1022 }
1023
1024 /**************************************************************************
1025 * qla2xxx_eh_bus_reset
1026 *
1027 * Description:
1028 * The bus reset function will reset the bus and abort any executing
1029 * commands.
1030 *
1031 * Input:
1032 * cmd = Linux SCSI command packet of the command that cause the
1033 * bus reset.
1034 *
1035 * Returns:
1036 * SUCCESS/FAILURE (defined as macro in scsi.h).
1037 *
1038 **************************************************************************/
1039 static int
1040 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
1041 {
1042 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1043 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1044 int ret = FAILED;
1045 unsigned int id, lun;
1046 unsigned long serial;
1047
1048 fc_block_scsi_eh(cmd);
1049
1050 id = cmd->device->id;
1051 lun = cmd->device->lun;
1052 serial = cmd->serial_number;
1053
1054 if (!fcport)
1055 return ret;
1056
1057 qla_printk(KERN_INFO, vha->hw,
1058 "scsi(%ld:%d:%d): BUS RESET ISSUED.\n", vha->host_no, id, lun);
1059
1060 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1061 DEBUG2(printk("%s failed:board disabled\n",__func__));
1062 goto eh_bus_reset_done;
1063 }
1064
1065 if (qla2x00_wait_for_loop_ready(vha) == QLA_SUCCESS) {
1066 if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
1067 ret = SUCCESS;
1068 }
1069 if (ret == FAILED)
1070 goto eh_bus_reset_done;
1071
1072 /* Flush outstanding commands. */
1073 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) !=
1074 QLA_SUCCESS)
1075 ret = FAILED;
1076
1077 eh_bus_reset_done:
1078 qla_printk(KERN_INFO, vha->hw, "%s: reset %s\n", __func__,
1079 (ret == FAILED) ? "failed" : "succeded");
1080
1081 return ret;
1082 }
1083
1084 /**************************************************************************
1085 * qla2xxx_eh_host_reset
1086 *
1087 * Description:
1088 * The reset function will reset the Adapter.
1089 *
1090 * Input:
1091 * cmd = Linux SCSI command packet of the command that cause the
1092 * adapter reset.
1093 *
1094 * Returns:
1095 * Either SUCCESS or FAILED.
1096 *
1097 * Note:
1098 **************************************************************************/
1099 static int
1100 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1101 {
1102 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1103 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1104 struct qla_hw_data *ha = vha->hw;
1105 int ret = FAILED;
1106 unsigned int id, lun;
1107 unsigned long serial;
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 serial = cmd->serial_number;
1115
1116 if (!fcport)
1117 return ret;
1118
1119 qla_printk(KERN_INFO, ha,
1120 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", vha->host_no, id, lun);
1121
1122 if (qla2x00_wait_for_reset_ready(vha) != QLA_SUCCESS)
1123 goto eh_host_reset_lock;
1124
1125 /*
1126 * Fixme-may be dpc thread is active and processing
1127 * loop_resync,so wait a while for it to
1128 * be completed and then issue big hammer.Otherwise
1129 * it may cause I/O failure as big hammer marks the
1130 * devices as lost kicking of the port_down_timer
1131 * while dpc is stuck for the mailbox to complete.
1132 */
1133 qla2x00_wait_for_loop_ready(vha);
1134 if (vha != base_vha) {
1135 if (qla2x00_vp_abort_isp(vha))
1136 goto eh_host_reset_lock;
1137 } else {
1138 if (IS_QLA82XX(vha->hw)) {
1139 if (!qla82xx_fcoe_ctx_reset(vha)) {
1140 /* Ctx reset success */
1141 ret = SUCCESS;
1142 goto eh_host_reset_lock;
1143 }
1144 /* fall thru if ctx reset failed */
1145 }
1146 if (ha->wq)
1147 flush_workqueue(ha->wq);
1148
1149 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1150 if (ha->isp_ops->abort_isp(base_vha)) {
1151 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1152 /* failed. schedule dpc to try */
1153 set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1154
1155 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
1156 goto eh_host_reset_lock;
1157 }
1158 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1159 }
1160
1161 /* Waiting for command to be returned to OS.*/
1162 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) ==
1163 QLA_SUCCESS)
1164 ret = SUCCESS;
1165
1166 eh_host_reset_lock:
1167 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1168 (ret == FAILED) ? "failed" : "succeded");
1169
1170 return ret;
1171 }
1172
1173 /*
1174 * qla2x00_loop_reset
1175 * Issue loop reset.
1176 *
1177 * Input:
1178 * ha = adapter block pointer.
1179 *
1180 * Returns:
1181 * 0 = success
1182 */
1183 int
1184 qla2x00_loop_reset(scsi_qla_host_t *vha)
1185 {
1186 int ret;
1187 struct fc_port *fcport;
1188 struct qla_hw_data *ha = vha->hw;
1189
1190 if (ql2xtargetreset == 1 && ha->flags.enable_target_reset) {
1191 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1192 if (fcport->port_type != FCT_TARGET)
1193 continue;
1194
1195 ret = ha->isp_ops->target_reset(fcport, 0, 0);
1196 if (ret != QLA_SUCCESS) {
1197 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1198 "target_reset=%d d_id=%x.\n", __func__,
1199 vha->host_no, ret, fcport->d_id.b24));
1200 }
1201 }
1202 }
1203
1204 if (ha->flags.enable_lip_full_login && !IS_QLA8XXX_TYPE(ha)) {
1205 ret = qla2x00_full_login_lip(vha);
1206 if (ret != QLA_SUCCESS) {
1207 DEBUG2_3(printk("%s(%ld): failed: "
1208 "full_login_lip=%d.\n", __func__, vha->host_no,
1209 ret));
1210 }
1211 atomic_set(&vha->loop_state, LOOP_DOWN);
1212 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1213 qla2x00_mark_all_devices_lost(vha, 0);
1214 qla2x00_wait_for_loop_ready(vha);
1215 }
1216
1217 if (ha->flags.enable_lip_reset) {
1218 ret = qla2x00_lip_reset(vha);
1219 if (ret != QLA_SUCCESS) {
1220 DEBUG2_3(printk("%s(%ld): failed: "
1221 "lip_reset=%d.\n", __func__, vha->host_no, ret));
1222 } else
1223 qla2x00_wait_for_loop_ready(vha);
1224 }
1225
1226 /* Issue marker command only when we are going to start the I/O */
1227 vha->marker_needed = 1;
1228
1229 return QLA_SUCCESS;
1230 }
1231
1232 void
1233 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1234 {
1235 int que, cnt;
1236 unsigned long flags;
1237 srb_t *sp;
1238 struct srb_ctx *ctx;
1239 struct qla_hw_data *ha = vha->hw;
1240 struct req_que *req;
1241
1242 spin_lock_irqsave(&ha->hardware_lock, flags);
1243 for (que = 0; que < ha->max_req_queues; que++) {
1244 req = ha->req_q_map[que];
1245 if (!req)
1246 continue;
1247 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1248 sp = req->outstanding_cmds[cnt];
1249 if (sp) {
1250 req->outstanding_cmds[cnt] = NULL;
1251 if (!sp->ctx ||
1252 (sp->flags & SRB_FCP_CMND_DMA_VALID) ||
1253 IS_PROT_IO(sp)) {
1254 sp->cmd->result = res;
1255 qla2x00_sp_compl(ha, sp);
1256 } else {
1257 ctx = sp->ctx;
1258 if (ctx->type == SRB_LOGIN_CMD ||
1259 ctx->type == SRB_LOGOUT_CMD) {
1260 ctx->u.iocb_cmd->free(sp);
1261 } else {
1262 struct fc_bsg_job *bsg_job =
1263 ctx->u.bsg_job;
1264 if (bsg_job->request->msgcode
1265 == FC_BSG_HST_CT)
1266 kfree(sp->fcport);
1267 bsg_job->req->errors = 0;
1268 bsg_job->reply->result = res;
1269 bsg_job->job_done(bsg_job);
1270 kfree(sp->ctx);
1271 mempool_free(sp,
1272 ha->srb_mempool);
1273 }
1274 }
1275 }
1276 }
1277 }
1278 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1279 }
1280
1281 static int
1282 qla2xxx_slave_alloc(struct scsi_device *sdev)
1283 {
1284 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1285
1286 if (!rport || fc_remote_port_chkready(rport))
1287 return -ENXIO;
1288
1289 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1290
1291 return 0;
1292 }
1293
1294 static int
1295 qla2xxx_slave_configure(struct scsi_device *sdev)
1296 {
1297 scsi_qla_host_t *vha = shost_priv(sdev->host);
1298 struct req_que *req = vha->req;
1299
1300 if (sdev->tagged_supported)
1301 scsi_activate_tcq(sdev, req->max_q_depth);
1302 else
1303 scsi_deactivate_tcq(sdev, req->max_q_depth);
1304 return 0;
1305 }
1306
1307 static void
1308 qla2xxx_slave_destroy(struct scsi_device *sdev)
1309 {
1310 sdev->hostdata = NULL;
1311 }
1312
1313 static void qla2x00_handle_queue_full(struct scsi_device *sdev, int qdepth)
1314 {
1315 fc_port_t *fcport = (struct fc_port *) sdev->hostdata;
1316
1317 if (!scsi_track_queue_full(sdev, qdepth))
1318 return;
1319
1320 DEBUG2(qla_printk(KERN_INFO, fcport->vha->hw,
1321 "scsi(%ld:%d:%d:%d): Queue depth adjusted-down to %d.\n",
1322 fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun,
1323 sdev->queue_depth));
1324 }
1325
1326 static void qla2x00_adjust_sdev_qdepth_up(struct scsi_device *sdev, int qdepth)
1327 {
1328 fc_port_t *fcport = sdev->hostdata;
1329 struct scsi_qla_host *vha = fcport->vha;
1330 struct qla_hw_data *ha = vha->hw;
1331 struct req_que *req = NULL;
1332
1333 req = vha->req;
1334 if (!req)
1335 return;
1336
1337 if (req->max_q_depth <= sdev->queue_depth || req->max_q_depth < qdepth)
1338 return;
1339
1340 if (sdev->ordered_tags)
1341 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, qdepth);
1342 else
1343 scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, qdepth);
1344
1345 DEBUG2(qla_printk(KERN_INFO, ha,
1346 "scsi(%ld:%d:%d:%d): Queue depth adjusted-up to %d.\n",
1347 fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun,
1348 sdev->queue_depth));
1349 }
1350
1351 static int
1352 qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
1353 {
1354 switch (reason) {
1355 case SCSI_QDEPTH_DEFAULT:
1356 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1357 break;
1358 case SCSI_QDEPTH_QFULL:
1359 qla2x00_handle_queue_full(sdev, qdepth);
1360 break;
1361 case SCSI_QDEPTH_RAMP_UP:
1362 qla2x00_adjust_sdev_qdepth_up(sdev, qdepth);
1363 break;
1364 default:
1365 return -EOPNOTSUPP;
1366 }
1367
1368 return sdev->queue_depth;
1369 }
1370
1371 static int
1372 qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1373 {
1374 if (sdev->tagged_supported) {
1375 scsi_set_tag_type(sdev, tag_type);
1376 if (tag_type)
1377 scsi_activate_tcq(sdev, sdev->queue_depth);
1378 else
1379 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1380 } else
1381 tag_type = 0;
1382
1383 return tag_type;
1384 }
1385
1386 /**
1387 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1388 * @ha: HA context
1389 *
1390 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1391 * supported addressing method.
1392 */
1393 static void
1394 qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1395 {
1396 /* Assume a 32bit DMA mask. */
1397 ha->flags.enable_64bit_addressing = 0;
1398
1399 if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1400 /* Any upper-dword bits set? */
1401 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1402 !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
1403 /* Ok, a 64bit DMA mask is applicable. */
1404 ha->flags.enable_64bit_addressing = 1;
1405 ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1406 ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1407 return;
1408 }
1409 }
1410
1411 dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1412 pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1413 }
1414
1415 static void
1416 qla2x00_enable_intrs(struct qla_hw_data *ha)
1417 {
1418 unsigned long flags = 0;
1419 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1420
1421 spin_lock_irqsave(&ha->hardware_lock, flags);
1422 ha->interrupts_on = 1;
1423 /* enable risc and host interrupts */
1424 WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1425 RD_REG_WORD(&reg->ictrl);
1426 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1427
1428 }
1429
1430 static void
1431 qla2x00_disable_intrs(struct qla_hw_data *ha)
1432 {
1433 unsigned long flags = 0;
1434 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1435
1436 spin_lock_irqsave(&ha->hardware_lock, flags);
1437 ha->interrupts_on = 0;
1438 /* disable risc and host interrupts */
1439 WRT_REG_WORD(&reg->ictrl, 0);
1440 RD_REG_WORD(&reg->ictrl);
1441 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1442 }
1443
1444 static void
1445 qla24xx_enable_intrs(struct qla_hw_data *ha)
1446 {
1447 unsigned long flags = 0;
1448 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1449
1450 spin_lock_irqsave(&ha->hardware_lock, flags);
1451 ha->interrupts_on = 1;
1452 WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1453 RD_REG_DWORD(&reg->ictrl);
1454 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1455 }
1456
1457 static void
1458 qla24xx_disable_intrs(struct qla_hw_data *ha)
1459 {
1460 unsigned long flags = 0;
1461 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1462
1463 if (IS_NOPOLLING_TYPE(ha))
1464 return;
1465 spin_lock_irqsave(&ha->hardware_lock, flags);
1466 ha->interrupts_on = 0;
1467 WRT_REG_DWORD(&reg->ictrl, 0);
1468 RD_REG_DWORD(&reg->ictrl);
1469 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1470 }
1471
1472 static struct isp_operations qla2100_isp_ops = {
1473 .pci_config = qla2100_pci_config,
1474 .reset_chip = qla2x00_reset_chip,
1475 .chip_diag = qla2x00_chip_diag,
1476 .config_rings = qla2x00_config_rings,
1477 .reset_adapter = qla2x00_reset_adapter,
1478 .nvram_config = qla2x00_nvram_config,
1479 .update_fw_options = qla2x00_update_fw_options,
1480 .load_risc = qla2x00_load_risc,
1481 .pci_info_str = qla2x00_pci_info_str,
1482 .fw_version_str = qla2x00_fw_version_str,
1483 .intr_handler = qla2100_intr_handler,
1484 .enable_intrs = qla2x00_enable_intrs,
1485 .disable_intrs = qla2x00_disable_intrs,
1486 .abort_command = qla2x00_abort_command,
1487 .target_reset = qla2x00_abort_target,
1488 .lun_reset = qla2x00_lun_reset,
1489 .fabric_login = qla2x00_login_fabric,
1490 .fabric_logout = qla2x00_fabric_logout,
1491 .calc_req_entries = qla2x00_calc_iocbs_32,
1492 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1493 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1494 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1495 .read_nvram = qla2x00_read_nvram_data,
1496 .write_nvram = qla2x00_write_nvram_data,
1497 .fw_dump = qla2100_fw_dump,
1498 .beacon_on = NULL,
1499 .beacon_off = NULL,
1500 .beacon_blink = NULL,
1501 .read_optrom = qla2x00_read_optrom_data,
1502 .write_optrom = qla2x00_write_optrom_data,
1503 .get_flash_version = qla2x00_get_flash_version,
1504 .start_scsi = qla2x00_start_scsi,
1505 .abort_isp = qla2x00_abort_isp,
1506 };
1507
1508 static struct isp_operations qla2300_isp_ops = {
1509 .pci_config = qla2300_pci_config,
1510 .reset_chip = qla2x00_reset_chip,
1511 .chip_diag = qla2x00_chip_diag,
1512 .config_rings = qla2x00_config_rings,
1513 .reset_adapter = qla2x00_reset_adapter,
1514 .nvram_config = qla2x00_nvram_config,
1515 .update_fw_options = qla2x00_update_fw_options,
1516 .load_risc = qla2x00_load_risc,
1517 .pci_info_str = qla2x00_pci_info_str,
1518 .fw_version_str = qla2x00_fw_version_str,
1519 .intr_handler = qla2300_intr_handler,
1520 .enable_intrs = qla2x00_enable_intrs,
1521 .disable_intrs = qla2x00_disable_intrs,
1522 .abort_command = qla2x00_abort_command,
1523 .target_reset = qla2x00_abort_target,
1524 .lun_reset = qla2x00_lun_reset,
1525 .fabric_login = qla2x00_login_fabric,
1526 .fabric_logout = qla2x00_fabric_logout,
1527 .calc_req_entries = qla2x00_calc_iocbs_32,
1528 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1529 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1530 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1531 .read_nvram = qla2x00_read_nvram_data,
1532 .write_nvram = qla2x00_write_nvram_data,
1533 .fw_dump = qla2300_fw_dump,
1534 .beacon_on = qla2x00_beacon_on,
1535 .beacon_off = qla2x00_beacon_off,
1536 .beacon_blink = qla2x00_beacon_blink,
1537 .read_optrom = qla2x00_read_optrom_data,
1538 .write_optrom = qla2x00_write_optrom_data,
1539 .get_flash_version = qla2x00_get_flash_version,
1540 .start_scsi = qla2x00_start_scsi,
1541 .abort_isp = qla2x00_abort_isp,
1542 };
1543
1544 static struct isp_operations qla24xx_isp_ops = {
1545 .pci_config = qla24xx_pci_config,
1546 .reset_chip = qla24xx_reset_chip,
1547 .chip_diag = qla24xx_chip_diag,
1548 .config_rings = qla24xx_config_rings,
1549 .reset_adapter = qla24xx_reset_adapter,
1550 .nvram_config = qla24xx_nvram_config,
1551 .update_fw_options = qla24xx_update_fw_options,
1552 .load_risc = qla24xx_load_risc,
1553 .pci_info_str = qla24xx_pci_info_str,
1554 .fw_version_str = qla24xx_fw_version_str,
1555 .intr_handler = qla24xx_intr_handler,
1556 .enable_intrs = qla24xx_enable_intrs,
1557 .disable_intrs = qla24xx_disable_intrs,
1558 .abort_command = qla24xx_abort_command,
1559 .target_reset = qla24xx_abort_target,
1560 .lun_reset = qla24xx_lun_reset,
1561 .fabric_login = qla24xx_login_fabric,
1562 .fabric_logout = qla24xx_fabric_logout,
1563 .calc_req_entries = NULL,
1564 .build_iocbs = NULL,
1565 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1566 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1567 .read_nvram = qla24xx_read_nvram_data,
1568 .write_nvram = qla24xx_write_nvram_data,
1569 .fw_dump = qla24xx_fw_dump,
1570 .beacon_on = qla24xx_beacon_on,
1571 .beacon_off = qla24xx_beacon_off,
1572 .beacon_blink = qla24xx_beacon_blink,
1573 .read_optrom = qla24xx_read_optrom_data,
1574 .write_optrom = qla24xx_write_optrom_data,
1575 .get_flash_version = qla24xx_get_flash_version,
1576 .start_scsi = qla24xx_start_scsi,
1577 .abort_isp = qla2x00_abort_isp,
1578 };
1579
1580 static struct isp_operations qla25xx_isp_ops = {
1581 .pci_config = qla25xx_pci_config,
1582 .reset_chip = qla24xx_reset_chip,
1583 .chip_diag = qla24xx_chip_diag,
1584 .config_rings = qla24xx_config_rings,
1585 .reset_adapter = qla24xx_reset_adapter,
1586 .nvram_config = qla24xx_nvram_config,
1587 .update_fw_options = qla24xx_update_fw_options,
1588 .load_risc = qla24xx_load_risc,
1589 .pci_info_str = qla24xx_pci_info_str,
1590 .fw_version_str = qla24xx_fw_version_str,
1591 .intr_handler = qla24xx_intr_handler,
1592 .enable_intrs = qla24xx_enable_intrs,
1593 .disable_intrs = qla24xx_disable_intrs,
1594 .abort_command = qla24xx_abort_command,
1595 .target_reset = qla24xx_abort_target,
1596 .lun_reset = qla24xx_lun_reset,
1597 .fabric_login = qla24xx_login_fabric,
1598 .fabric_logout = qla24xx_fabric_logout,
1599 .calc_req_entries = NULL,
1600 .build_iocbs = NULL,
1601 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1602 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1603 .read_nvram = qla25xx_read_nvram_data,
1604 .write_nvram = qla25xx_write_nvram_data,
1605 .fw_dump = qla25xx_fw_dump,
1606 .beacon_on = qla24xx_beacon_on,
1607 .beacon_off = qla24xx_beacon_off,
1608 .beacon_blink = qla24xx_beacon_blink,
1609 .read_optrom = qla25xx_read_optrom_data,
1610 .write_optrom = qla24xx_write_optrom_data,
1611 .get_flash_version = qla24xx_get_flash_version,
1612 .start_scsi = qla24xx_dif_start_scsi,
1613 .abort_isp = qla2x00_abort_isp,
1614 };
1615
1616 static struct isp_operations qla81xx_isp_ops = {
1617 .pci_config = qla25xx_pci_config,
1618 .reset_chip = qla24xx_reset_chip,
1619 .chip_diag = qla24xx_chip_diag,
1620 .config_rings = qla24xx_config_rings,
1621 .reset_adapter = qla24xx_reset_adapter,
1622 .nvram_config = qla81xx_nvram_config,
1623 .update_fw_options = qla81xx_update_fw_options,
1624 .load_risc = qla81xx_load_risc,
1625 .pci_info_str = qla24xx_pci_info_str,
1626 .fw_version_str = qla24xx_fw_version_str,
1627 .intr_handler = qla24xx_intr_handler,
1628 .enable_intrs = qla24xx_enable_intrs,
1629 .disable_intrs = qla24xx_disable_intrs,
1630 .abort_command = qla24xx_abort_command,
1631 .target_reset = qla24xx_abort_target,
1632 .lun_reset = qla24xx_lun_reset,
1633 .fabric_login = qla24xx_login_fabric,
1634 .fabric_logout = qla24xx_fabric_logout,
1635 .calc_req_entries = NULL,
1636 .build_iocbs = NULL,
1637 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1638 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1639 .read_nvram = NULL,
1640 .write_nvram = NULL,
1641 .fw_dump = qla81xx_fw_dump,
1642 .beacon_on = qla24xx_beacon_on,
1643 .beacon_off = qla24xx_beacon_off,
1644 .beacon_blink = qla24xx_beacon_blink,
1645 .read_optrom = qla25xx_read_optrom_data,
1646 .write_optrom = qla24xx_write_optrom_data,
1647 .get_flash_version = qla24xx_get_flash_version,
1648 .start_scsi = qla24xx_dif_start_scsi,
1649 .abort_isp = qla2x00_abort_isp,
1650 };
1651
1652 static struct isp_operations qla82xx_isp_ops = {
1653 .pci_config = qla82xx_pci_config,
1654 .reset_chip = qla82xx_reset_chip,
1655 .chip_diag = qla24xx_chip_diag,
1656 .config_rings = qla82xx_config_rings,
1657 .reset_adapter = qla24xx_reset_adapter,
1658 .nvram_config = qla81xx_nvram_config,
1659 .update_fw_options = qla24xx_update_fw_options,
1660 .load_risc = qla82xx_load_risc,
1661 .pci_info_str = qla82xx_pci_info_str,
1662 .fw_version_str = qla24xx_fw_version_str,
1663 .intr_handler = qla82xx_intr_handler,
1664 .enable_intrs = qla82xx_enable_intrs,
1665 .disable_intrs = qla82xx_disable_intrs,
1666 .abort_command = qla24xx_abort_command,
1667 .target_reset = qla24xx_abort_target,
1668 .lun_reset = qla24xx_lun_reset,
1669 .fabric_login = qla24xx_login_fabric,
1670 .fabric_logout = qla24xx_fabric_logout,
1671 .calc_req_entries = NULL,
1672 .build_iocbs = NULL,
1673 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1674 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1675 .read_nvram = qla24xx_read_nvram_data,
1676 .write_nvram = qla24xx_write_nvram_data,
1677 .fw_dump = qla24xx_fw_dump,
1678 .beacon_on = qla24xx_beacon_on,
1679 .beacon_off = qla24xx_beacon_off,
1680 .beacon_blink = qla24xx_beacon_blink,
1681 .read_optrom = qla82xx_read_optrom_data,
1682 .write_optrom = qla82xx_write_optrom_data,
1683 .get_flash_version = qla24xx_get_flash_version,
1684 .start_scsi = qla82xx_start_scsi,
1685 .abort_isp = qla82xx_abort_isp,
1686 };
1687
1688 static inline void
1689 qla2x00_set_isp_flags(struct qla_hw_data *ha)
1690 {
1691 ha->device_type = DT_EXTENDED_IDS;
1692 switch (ha->pdev->device) {
1693 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1694 ha->device_type |= DT_ISP2100;
1695 ha->device_type &= ~DT_EXTENDED_IDS;
1696 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1697 break;
1698 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1699 ha->device_type |= DT_ISP2200;
1700 ha->device_type &= ~DT_EXTENDED_IDS;
1701 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1702 break;
1703 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1704 ha->device_type |= DT_ISP2300;
1705 ha->device_type |= DT_ZIO_SUPPORTED;
1706 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1707 break;
1708 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1709 ha->device_type |= DT_ISP2312;
1710 ha->device_type |= DT_ZIO_SUPPORTED;
1711 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1712 break;
1713 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1714 ha->device_type |= DT_ISP2322;
1715 ha->device_type |= DT_ZIO_SUPPORTED;
1716 if (ha->pdev->subsystem_vendor == 0x1028 &&
1717 ha->pdev->subsystem_device == 0x0170)
1718 ha->device_type |= DT_OEM_001;
1719 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1720 break;
1721 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1722 ha->device_type |= DT_ISP6312;
1723 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1724 break;
1725 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1726 ha->device_type |= DT_ISP6322;
1727 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1728 break;
1729 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1730 ha->device_type |= DT_ISP2422;
1731 ha->device_type |= DT_ZIO_SUPPORTED;
1732 ha->device_type |= DT_FWI2;
1733 ha->device_type |= DT_IIDMA;
1734 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1735 break;
1736 case PCI_DEVICE_ID_QLOGIC_ISP2432:
1737 ha->device_type |= DT_ISP2432;
1738 ha->device_type |= DT_ZIO_SUPPORTED;
1739 ha->device_type |= DT_FWI2;
1740 ha->device_type |= DT_IIDMA;
1741 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1742 break;
1743 case PCI_DEVICE_ID_QLOGIC_ISP8432:
1744 ha->device_type |= DT_ISP8432;
1745 ha->device_type |= DT_ZIO_SUPPORTED;
1746 ha->device_type |= DT_FWI2;
1747 ha->device_type |= DT_IIDMA;
1748 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1749 break;
1750 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1751 ha->device_type |= DT_ISP5422;
1752 ha->device_type |= DT_FWI2;
1753 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1754 break;
1755 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1756 ha->device_type |= DT_ISP5432;
1757 ha->device_type |= DT_FWI2;
1758 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1759 break;
1760 case PCI_DEVICE_ID_QLOGIC_ISP2532:
1761 ha->device_type |= DT_ISP2532;
1762 ha->device_type |= DT_ZIO_SUPPORTED;
1763 ha->device_type |= DT_FWI2;
1764 ha->device_type |= DT_IIDMA;
1765 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1766 break;
1767 case PCI_DEVICE_ID_QLOGIC_ISP8001:
1768 ha->device_type |= DT_ISP8001;
1769 ha->device_type |= DT_ZIO_SUPPORTED;
1770 ha->device_type |= DT_FWI2;
1771 ha->device_type |= DT_IIDMA;
1772 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1773 break;
1774 case PCI_DEVICE_ID_QLOGIC_ISP8021:
1775 ha->device_type |= DT_ISP8021;
1776 ha->device_type |= DT_ZIO_SUPPORTED;
1777 ha->device_type |= DT_FWI2;
1778 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1779 /* Initialize 82XX ISP flags */
1780 qla82xx_init_flags(ha);
1781 break;
1782 }
1783
1784 if (IS_QLA82XX(ha))
1785 ha->port_no = !(ha->portnum & 1);
1786 else
1787 /* Get adapter physical port no from interrupt pin register. */
1788 pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
1789
1790 if (ha->port_no & 1)
1791 ha->flags.port0 = 1;
1792 else
1793 ha->flags.port0 = 0;
1794 }
1795
1796 static int
1797 qla2x00_iospace_config(struct qla_hw_data *ha)
1798 {
1799 resource_size_t pio;
1800 uint16_t msix;
1801 int cpus;
1802
1803 if (IS_QLA82XX(ha))
1804 return qla82xx_iospace_config(ha);
1805
1806 if (pci_request_selected_regions(ha->pdev, ha->bars,
1807 QLA2XXX_DRIVER_NAME)) {
1808 qla_printk(KERN_WARNING, ha,
1809 "Failed to reserve PIO/MMIO regions (%s)\n",
1810 pci_name(ha->pdev));
1811
1812 goto iospace_error_exit;
1813 }
1814 if (!(ha->bars & 1))
1815 goto skip_pio;
1816
1817 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1818 pio = pci_resource_start(ha->pdev, 0);
1819 if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1820 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1821 qla_printk(KERN_WARNING, ha,
1822 "Invalid PCI I/O region size (%s)...\n",
1823 pci_name(ha->pdev));
1824 pio = 0;
1825 }
1826 } else {
1827 qla_printk(KERN_WARNING, ha,
1828 "region #0 not a PIO resource (%s)...\n",
1829 pci_name(ha->pdev));
1830 pio = 0;
1831 }
1832 ha->pio_address = pio;
1833
1834 skip_pio:
1835 /* Use MMIO operations for all accesses. */
1836 if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1837 qla_printk(KERN_ERR, ha,
1838 "region #1 not an MMIO resource (%s), aborting\n",
1839 pci_name(ha->pdev));
1840 goto iospace_error_exit;
1841 }
1842 if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1843 qla_printk(KERN_ERR, ha,
1844 "Invalid PCI mem region size (%s), aborting\n",
1845 pci_name(ha->pdev));
1846 goto iospace_error_exit;
1847 }
1848
1849 ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1850 if (!ha->iobase) {
1851 qla_printk(KERN_ERR, ha,
1852 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1853
1854 goto iospace_error_exit;
1855 }
1856
1857 /* Determine queue resources */
1858 ha->max_req_queues = ha->max_rsp_queues = 1;
1859 if ((ql2xmaxqueues <= 1 && !ql2xmultique_tag) ||
1860 (ql2xmaxqueues > 1 && ql2xmultique_tag) ||
1861 (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
1862 goto mqiobase_exit;
1863
1864 ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1865 pci_resource_len(ha->pdev, 3));
1866 if (ha->mqiobase) {
1867 /* Read MSIX vector size of the board */
1868 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1869 ha->msix_count = msix;
1870 /* Max queues are bounded by available msix vectors */
1871 /* queue 0 uses two msix vectors */
1872 if (ql2xmultique_tag) {
1873 cpus = num_online_cpus();
1874 ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ?
1875 (cpus + 1) : (ha->msix_count - 1);
1876 ha->max_req_queues = 2;
1877 } else if (ql2xmaxqueues > 1) {
1878 ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ?
1879 QLA_MQ_SIZE : ql2xmaxqueues;
1880 DEBUG2(qla_printk(KERN_INFO, ha, "QoS mode set, max no"
1881 " of request queues:%d\n", ha->max_req_queues));
1882 }
1883 qla_printk(KERN_INFO, ha,
1884 "MSI-X vector count: %d\n", msix);
1885 } else
1886 qla_printk(KERN_INFO, ha, "BAR 3 not enabled\n");
1887
1888 mqiobase_exit:
1889 ha->msix_count = ha->max_rsp_queues + 1;
1890 return (0);
1891
1892 iospace_error_exit:
1893 return (-ENOMEM);
1894 }
1895
1896 static void
1897 qla2xxx_scan_start(struct Scsi_Host *shost)
1898 {
1899 scsi_qla_host_t *vha = shost_priv(shost);
1900
1901 if (vha->hw->flags.running_gold_fw)
1902 return;
1903
1904 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1905 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1906 set_bit(RSCN_UPDATE, &vha->dpc_flags);
1907 set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
1908 }
1909
1910 static int
1911 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1912 {
1913 scsi_qla_host_t *vha = shost_priv(shost);
1914
1915 if (!vha->host)
1916 return 1;
1917 if (time > vha->hw->loop_reset_delay * HZ)
1918 return 1;
1919
1920 return atomic_read(&vha->loop_state) == LOOP_READY;
1921 }
1922
1923 /*
1924 * PCI driver interface
1925 */
1926 static int __devinit
1927 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1928 {
1929 int ret = -ENODEV;
1930 struct Scsi_Host *host;
1931 scsi_qla_host_t *base_vha = NULL;
1932 struct qla_hw_data *ha;
1933 char pci_info[30];
1934 char fw_str[30];
1935 struct scsi_host_template *sht;
1936 int bars, max_id, mem_only = 0;
1937 uint16_t req_length = 0, rsp_length = 0;
1938 struct req_que *req = NULL;
1939 struct rsp_que *rsp = NULL;
1940
1941 bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
1942 sht = &qla2xxx_driver_template;
1943 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
1944 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
1945 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
1946 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
1947 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
1948 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
1949 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 ||
1950 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021) {
1951 bars = pci_select_bars(pdev, IORESOURCE_MEM);
1952 mem_only = 1;
1953 }
1954
1955 if (mem_only) {
1956 if (pci_enable_device_mem(pdev))
1957 goto probe_out;
1958 } else {
1959 if (pci_enable_device(pdev))
1960 goto probe_out;
1961 }
1962
1963 /* This may fail but that's ok */
1964 pci_enable_pcie_error_reporting(pdev);
1965
1966 ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
1967 if (!ha) {
1968 DEBUG(printk("Unable to allocate memory for ha\n"));
1969 goto probe_out;
1970 }
1971 ha->pdev = pdev;
1972
1973 /* Clear our data area */
1974 ha->bars = bars;
1975 ha->mem_only = mem_only;
1976 spin_lock_init(&ha->hardware_lock);
1977
1978 /* Set ISP-type information. */
1979 qla2x00_set_isp_flags(ha);
1980
1981 /* Set EEH reset type to fundamental if required by hba */
1982 if ( IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha)) {
1983 pdev->needs_freset = 1;
1984 }
1985
1986 /* Configure PCI I/O space */
1987 ret = qla2x00_iospace_config(ha);
1988 if (ret)
1989 goto probe_hw_failed;
1990
1991 qla_printk(KERN_INFO, ha,
1992 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1993 ha->iobase);
1994
1995 ha->prev_topology = 0;
1996 ha->init_cb_size = sizeof(init_cb_t);
1997 ha->link_data_rate = PORT_SPEED_UNKNOWN;
1998 ha->optrom_size = OPTROM_SIZE_2300;
1999
2000 /* Assign ISP specific operations. */
2001 max_id = MAX_TARGETS_2200;
2002 if (IS_QLA2100(ha)) {
2003 max_id = MAX_TARGETS_2100;
2004 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
2005 req_length = REQUEST_ENTRY_CNT_2100;
2006 rsp_length = RESPONSE_ENTRY_CNT_2100;
2007 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2008 ha->gid_list_info_size = 4;
2009 ha->flash_conf_off = ~0;
2010 ha->flash_data_off = ~0;
2011 ha->nvram_conf_off = ~0;
2012 ha->nvram_data_off = ~0;
2013 ha->isp_ops = &qla2100_isp_ops;
2014 } else if (IS_QLA2200(ha)) {
2015 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2016 req_length = REQUEST_ENTRY_CNT_2200;
2017 rsp_length = RESPONSE_ENTRY_CNT_2100;
2018 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2019 ha->gid_list_info_size = 4;
2020 ha->flash_conf_off = ~0;
2021 ha->flash_data_off = ~0;
2022 ha->nvram_conf_off = ~0;
2023 ha->nvram_data_off = ~0;
2024 ha->isp_ops = &qla2100_isp_ops;
2025 } else if (IS_QLA23XX(ha)) {
2026 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2027 req_length = REQUEST_ENTRY_CNT_2200;
2028 rsp_length = RESPONSE_ENTRY_CNT_2300;
2029 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2030 ha->gid_list_info_size = 6;
2031 if (IS_QLA2322(ha) || IS_QLA6322(ha))
2032 ha->optrom_size = OPTROM_SIZE_2322;
2033 ha->flash_conf_off = ~0;
2034 ha->flash_data_off = ~0;
2035 ha->nvram_conf_off = ~0;
2036 ha->nvram_data_off = ~0;
2037 ha->isp_ops = &qla2300_isp_ops;
2038 } else if (IS_QLA24XX_TYPE(ha)) {
2039 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2040 req_length = REQUEST_ENTRY_CNT_24XX;
2041 rsp_length = RESPONSE_ENTRY_CNT_2300;
2042 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2043 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2044 ha->gid_list_info_size = 8;
2045 ha->optrom_size = OPTROM_SIZE_24XX;
2046 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
2047 ha->isp_ops = &qla24xx_isp_ops;
2048 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2049 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2050 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2051 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2052 } else if (IS_QLA25XX(ha)) {
2053 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2054 req_length = REQUEST_ENTRY_CNT_24XX;
2055 rsp_length = RESPONSE_ENTRY_CNT_2300;
2056 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2057 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2058 ha->gid_list_info_size = 8;
2059 ha->optrom_size = OPTROM_SIZE_25XX;
2060 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2061 ha->isp_ops = &qla25xx_isp_ops;
2062 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2063 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2064 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2065 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2066 } else if (IS_QLA81XX(ha)) {
2067 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2068 req_length = REQUEST_ENTRY_CNT_24XX;
2069 rsp_length = RESPONSE_ENTRY_CNT_2300;
2070 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2071 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2072 ha->gid_list_info_size = 8;
2073 ha->optrom_size = OPTROM_SIZE_81XX;
2074 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2075 ha->isp_ops = &qla81xx_isp_ops;
2076 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2077 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2078 ha->nvram_conf_off = ~0;
2079 ha->nvram_data_off = ~0;
2080 } else if (IS_QLA82XX(ha)) {
2081 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2082 req_length = REQUEST_ENTRY_CNT_82XX;
2083 rsp_length = RESPONSE_ENTRY_CNT_82XX;
2084 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2085 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2086 ha->gid_list_info_size = 8;
2087 ha->optrom_size = OPTROM_SIZE_82XX;
2088 ha->isp_ops = &qla82xx_isp_ops;
2089 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2090 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2091 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2092 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2093 }
2094
2095 mutex_init(&ha->vport_lock);
2096 init_completion(&ha->mbx_cmd_comp);
2097 complete(&ha->mbx_cmd_comp);
2098 init_completion(&ha->mbx_intr_comp);
2099 init_completion(&ha->dcbx_comp);
2100
2101 set_bit(0, (unsigned long *) ha->vp_idx_map);
2102
2103 qla2x00_config_dma_addressing(ha);
2104 ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
2105 if (!ret) {
2106 qla_printk(KERN_WARNING, ha,
2107 "[ERROR] Failed to allocate memory for adapter\n");
2108
2109 goto probe_hw_failed;
2110 }
2111
2112 req->max_q_depth = MAX_Q_DEPTH;
2113 if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
2114 req->max_q_depth = ql2xmaxqdepth;
2115
2116
2117 base_vha = qla2x00_create_host(sht, ha);
2118 if (!base_vha) {
2119 qla_printk(KERN_WARNING, ha,
2120 "[ERROR] Failed to allocate memory for scsi_host\n");
2121
2122 ret = -ENOMEM;
2123 qla2x00_mem_free(ha);
2124 qla2x00_free_req_que(ha, req);
2125 qla2x00_free_rsp_que(ha, rsp);
2126 goto probe_hw_failed;
2127 }
2128
2129 pci_set_drvdata(pdev, base_vha);
2130
2131 host = base_vha->host;
2132 base_vha->req = req;
2133 host->can_queue = req->length + 128;
2134 if (IS_QLA2XXX_MIDTYPE(ha))
2135 base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
2136 else
2137 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
2138 base_vha->vp_idx;
2139
2140 /* Set the SG table size based on ISP type */
2141 if (!IS_FWI2_CAPABLE(ha)) {
2142 if (IS_QLA2100(ha))
2143 host->sg_tablesize = 32;
2144 } else {
2145 if (!IS_QLA82XX(ha))
2146 host->sg_tablesize = QLA_SG_ALL;
2147 }
2148
2149 host->max_id = max_id;
2150 host->this_id = 255;
2151 host->cmd_per_lun = 3;
2152 host->unique_id = host->host_no;
2153 if ((IS_QLA25XX(ha) || IS_QLA81XX(ha)) && ql2xenabledif)
2154 host->max_cmd_len = 32;
2155 else
2156 host->max_cmd_len = MAX_CMDSZ;
2157 host->max_channel = MAX_BUSES - 1;
2158 host->max_lun = MAX_LUNS;
2159 host->transportt = qla2xxx_transport_template;
2160 sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
2161
2162 /* Set up the irqs */
2163 ret = qla2x00_request_irqs(ha, rsp);
2164 if (ret)
2165 goto probe_init_failed;
2166
2167 pci_save_state(pdev);
2168
2169 /* Alloc arrays of request and response ring ptrs */
2170 que_init:
2171 if (!qla2x00_alloc_queues(ha)) {
2172 qla_printk(KERN_WARNING, ha,
2173 "[ERROR] Failed to allocate memory for queue"
2174 " pointers\n");
2175 goto probe_init_failed;
2176 }
2177
2178 ha->rsp_q_map[0] = rsp;
2179 ha->req_q_map[0] = req;
2180 rsp->req = req;
2181 req->rsp = rsp;
2182 set_bit(0, ha->req_qid_map);
2183 set_bit(0, ha->rsp_qid_map);
2184 /* FWI2-capable only. */
2185 req->req_q_in = &ha->iobase->isp24.req_q_in;
2186 req->req_q_out = &ha->iobase->isp24.req_q_out;
2187 rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
2188 rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
2189 if (ha->mqenable) {
2190 req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
2191 req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
2192 rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
2193 rsp->rsp_q_out = &ha->mqiobase->isp25mq.rsp_q_out;
2194 }
2195
2196 if (IS_QLA82XX(ha)) {
2197 req->req_q_out = &ha->iobase->isp82.req_q_out[0];
2198 rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0];
2199 rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0];
2200 }
2201
2202 if (qla2x00_initialize_adapter(base_vha)) {
2203 qla_printk(KERN_WARNING, ha,
2204 "Failed to initialize adapter\n");
2205
2206 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
2207 "Adapter flags %x.\n",
2208 base_vha->host_no, base_vha->device_flags));
2209
2210 if (IS_QLA82XX(ha)) {
2211 qla82xx_idc_lock(ha);
2212 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
2213 QLA82XX_DEV_FAILED);
2214 qla82xx_idc_unlock(ha);
2215 qla_printk(KERN_INFO, ha, "HW State: FAILED\n");
2216 }
2217
2218 ret = -ENODEV;
2219 goto probe_failed;
2220 }
2221
2222 if (ha->mqenable) {
2223 if (qla25xx_setup_mode(base_vha)) {
2224 qla_printk(KERN_WARNING, ha,
2225 "Can't create queues, falling back to single"
2226 " queue mode\n");
2227 goto que_init;
2228 }
2229 }
2230
2231 if (ha->flags.running_gold_fw)
2232 goto skip_dpc;
2233
2234 /*
2235 * Startup the kernel thread for this host adapter
2236 */
2237 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
2238 "%s_dpc", base_vha->host_str);
2239 if (IS_ERR(ha->dpc_thread)) {
2240 qla_printk(KERN_WARNING, ha,
2241 "Unable to start DPC thread!\n");
2242 ret = PTR_ERR(ha->dpc_thread);
2243 goto probe_failed;
2244 }
2245
2246 skip_dpc:
2247 list_add_tail(&base_vha->list, &ha->vp_list);
2248 base_vha->host->irq = ha->pdev->irq;
2249
2250 /* Initialized the timer */
2251 qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
2252
2253 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
2254 base_vha->host_no, ha));
2255
2256 if ((IS_QLA25XX(ha) || IS_QLA81XX(ha)) && ql2xenabledif) {
2257 if (ha->fw_attributes & BIT_4) {
2258 base_vha->flags.difdix_supported = 1;
2259 DEBUG18(qla_printk(KERN_INFO, ha,
2260 "Registering for DIF/DIX type 1 and 3"
2261 " protection.\n"));
2262 scsi_host_set_prot(host,
2263 SHOST_DIF_TYPE1_PROTECTION
2264 | SHOST_DIF_TYPE2_PROTECTION
2265 | SHOST_DIF_TYPE3_PROTECTION
2266 | SHOST_DIX_TYPE1_PROTECTION
2267 | SHOST_DIX_TYPE2_PROTECTION
2268 | SHOST_DIX_TYPE3_PROTECTION);
2269 scsi_host_set_guard(host, SHOST_DIX_GUARD_CRC);
2270 } else
2271 base_vha->flags.difdix_supported = 0;
2272 }
2273
2274 ha->isp_ops->enable_intrs(ha);
2275
2276 ret = scsi_add_host(host, &pdev->dev);
2277 if (ret)
2278 goto probe_failed;
2279
2280 base_vha->flags.init_done = 1;
2281 base_vha->flags.online = 1;
2282
2283 scsi_scan_host(host);
2284
2285 qla2x00_alloc_sysfs_attr(base_vha);
2286
2287 qla2x00_init_host_attr(base_vha);
2288
2289 qla2x00_dfs_setup(base_vha);
2290
2291 qla_printk(KERN_INFO, ha, "\n"
2292 " QLogic Fibre Channel HBA Driver: %s\n"
2293 " QLogic %s - %s\n"
2294 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
2295 qla2x00_version_str, ha->model_number,
2296 ha->model_desc ? ha->model_desc : "", pdev->device,
2297 ha->isp_ops->pci_info_str(base_vha, pci_info), pci_name(pdev),
2298 ha->flags.enable_64bit_addressing ? '+' : '-', base_vha->host_no,
2299 ha->isp_ops->fw_version_str(base_vha, fw_str));
2300
2301 return 0;
2302
2303 probe_init_failed:
2304 qla2x00_free_req_que(ha, req);
2305 qla2x00_free_rsp_que(ha, rsp);
2306 ha->max_req_queues = ha->max_rsp_queues = 0;
2307
2308 probe_failed:
2309 if (base_vha->timer_active)
2310 qla2x00_stop_timer(base_vha);
2311 base_vha->flags.online = 0;
2312 if (ha->dpc_thread) {
2313 struct task_struct *t = ha->dpc_thread;
2314
2315 ha->dpc_thread = NULL;
2316 kthread_stop(t);
2317 }
2318
2319 qla2x00_free_device(base_vha);
2320
2321 scsi_host_put(base_vha->host);
2322
2323 probe_hw_failed:
2324 if (IS_QLA82XX(ha)) {
2325 qla82xx_idc_lock(ha);
2326 qla82xx_clear_drv_active(ha);
2327 qla82xx_idc_unlock(ha);
2328 iounmap((device_reg_t __iomem *)ha->nx_pcibase);
2329 if (!ql2xdbwr)
2330 iounmap((device_reg_t __iomem *)ha->nxdb_wr_ptr);
2331 } else {
2332 if (ha->iobase)
2333 iounmap(ha->iobase);
2334 }
2335 pci_release_selected_regions(ha->pdev, ha->bars);
2336 kfree(ha);
2337 ha = NULL;
2338
2339 probe_out:
2340 pci_disable_device(pdev);
2341 return ret;
2342 }
2343
2344 static void
2345 qla2x00_remove_one(struct pci_dev *pdev)
2346 {
2347 scsi_qla_host_t *base_vha, *vha;
2348 struct qla_hw_data *ha;
2349 unsigned long flags;
2350
2351 base_vha = pci_get_drvdata(pdev);
2352 ha = base_vha->hw;
2353
2354 spin_lock_irqsave(&ha->vport_slock, flags);
2355 list_for_each_entry(vha, &ha->vp_list, list) {
2356 atomic_inc(&vha->vref_count);
2357
2358 if (vha && vha->fc_vport) {
2359 spin_unlock_irqrestore(&ha->vport_slock, flags);
2360
2361 fc_vport_terminate(vha->fc_vport);
2362
2363 spin_lock_irqsave(&ha->vport_slock, flags);
2364 }
2365
2366 atomic_dec(&vha->vref_count);
2367 }
2368 spin_unlock_irqrestore(&ha->vport_slock, flags);
2369
2370 set_bit(UNLOADING, &base_vha->dpc_flags);
2371
2372 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
2373
2374 qla2x00_dfs_remove(base_vha);
2375
2376 qla84xx_put_chip(base_vha);
2377
2378 /* Disable timer */
2379 if (base_vha->timer_active)
2380 qla2x00_stop_timer(base_vha);
2381
2382 base_vha->flags.online = 0;
2383
2384 /* Flush the work queue and remove it */
2385 if (ha->wq) {
2386 flush_workqueue(ha->wq);
2387 destroy_workqueue(ha->wq);
2388 ha->wq = NULL;
2389 }
2390
2391 /* Kill the kernel thread for this host */
2392 if (ha->dpc_thread) {
2393 struct task_struct *t = ha->dpc_thread;
2394
2395 /*
2396 * qla2xxx_wake_dpc checks for ->dpc_thread
2397 * so we need to zero it out.
2398 */
2399 ha->dpc_thread = NULL;
2400 kthread_stop(t);
2401 }
2402
2403 qla2x00_free_sysfs_attr(base_vha);
2404
2405 fc_remove_host(base_vha->host);
2406
2407 scsi_remove_host(base_vha->host);
2408
2409 qla2x00_free_device(base_vha);
2410
2411 scsi_host_put(base_vha->host);
2412
2413 if (IS_QLA82XX(ha)) {
2414 qla82xx_idc_lock(ha);
2415 qla82xx_clear_drv_active(ha);
2416 qla82xx_idc_unlock(ha);
2417
2418 iounmap((device_reg_t __iomem *)ha->nx_pcibase);
2419 if (!ql2xdbwr)
2420 iounmap((device_reg_t __iomem *)ha->nxdb_wr_ptr);
2421 } else {
2422 if (ha->iobase)
2423 iounmap(ha->iobase);
2424
2425 if (ha->mqiobase)
2426 iounmap(ha->mqiobase);
2427 }
2428
2429 pci_release_selected_regions(ha->pdev, ha->bars);
2430 kfree(ha);
2431 ha = NULL;
2432
2433 pci_disable_pcie_error_reporting(pdev);
2434
2435 pci_disable_device(pdev);
2436 pci_set_drvdata(pdev, NULL);
2437 }
2438
2439 static void
2440 qla2x00_free_device(scsi_qla_host_t *vha)
2441 {
2442 struct qla_hw_data *ha = vha->hw;
2443
2444 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
2445
2446 /* Disable timer */
2447 if (vha->timer_active)
2448 qla2x00_stop_timer(vha);
2449
2450 /* Kill the kernel thread for this host */
2451 if (ha->dpc_thread) {
2452 struct task_struct *t = ha->dpc_thread;
2453
2454 /*
2455 * qla2xxx_wake_dpc checks for ->dpc_thread
2456 * so we need to zero it out.
2457 */
2458 ha->dpc_thread = NULL;
2459 kthread_stop(t);
2460 }
2461
2462 qla25xx_delete_queues(vha);
2463
2464 if (ha->flags.fce_enabled)
2465 qla2x00_disable_fce_trace(vha, NULL, NULL);
2466
2467 if (ha->eft)
2468 qla2x00_disable_eft_trace(vha);
2469
2470 /* Stop currently executing firmware. */
2471 qla2x00_try_to_stop_firmware(vha);
2472
2473 vha->flags.online = 0;
2474
2475 /* turn-off interrupts on the card */
2476 if (ha->interrupts_on) {
2477 vha->flags.init_done = 0;
2478 ha->isp_ops->disable_intrs(ha);
2479 }
2480
2481 qla2x00_free_irqs(vha);
2482
2483 qla2x00_free_fcports(vha);
2484
2485 qla2x00_mem_free(ha);
2486
2487 qla2x00_free_queues(ha);
2488 }
2489
2490 void qla2x00_free_fcports(struct scsi_qla_host *vha)
2491 {
2492 fc_port_t *fcport, *tfcport;
2493
2494 list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list) {
2495 list_del(&fcport->list);
2496 kfree(fcport);
2497 fcport = NULL;
2498 }
2499 }
2500
2501 static inline void
2502 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
2503 int defer)
2504 {
2505 struct fc_rport *rport;
2506 scsi_qla_host_t *base_vha;
2507
2508 if (!fcport->rport)
2509 return;
2510
2511 rport = fcport->rport;
2512 if (defer) {
2513 base_vha = pci_get_drvdata(vha->hw->pdev);
2514 spin_lock_irq(vha->host->host_lock);
2515 fcport->drport = rport;
2516 spin_unlock_irq(vha->host->host_lock);
2517 set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
2518 qla2xxx_wake_dpc(base_vha);
2519 } else
2520 fc_remote_port_delete(rport);
2521 }
2522
2523 /*
2524 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
2525 *
2526 * Input: ha = adapter block pointer. fcport = port structure pointer.
2527 *
2528 * Return: None.
2529 *
2530 * Context:
2531 */
2532 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
2533 int do_login, int defer)
2534 {
2535 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2536 vha->vp_idx == fcport->vp_idx) {
2537 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2538 qla2x00_schedule_rport_del(vha, fcport, defer);
2539 }
2540 /*
2541 * We may need to retry the login, so don't change the state of the
2542 * port but do the retries.
2543 */
2544 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
2545 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2546
2547 if (!do_login)
2548 return;
2549
2550 if (fcport->login_retry == 0) {
2551 fcport->login_retry = vha->hw->login_retry_count;
2552 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2553
2554 DEBUG(printk("scsi(%ld): Port login retry: "
2555 "%02x%02x%02x%02x%02x%02x%02x%02x, "
2556 "id = 0x%04x retry cnt=%d\n",
2557 vha->host_no,
2558 fcport->port_name[0],
2559 fcport->port_name[1],
2560 fcport->port_name[2],
2561 fcport->port_name[3],
2562 fcport->port_name[4],
2563 fcport->port_name[5],
2564 fcport->port_name[6],
2565 fcport->port_name[7],
2566 fcport->loop_id,
2567 fcport->login_retry));
2568 }
2569 }
2570
2571 /*
2572 * qla2x00_mark_all_devices_lost
2573 * Updates fcport state when device goes offline.
2574 *
2575 * Input:
2576 * ha = adapter block pointer.
2577 * fcport = port structure pointer.
2578 *
2579 * Return:
2580 * None.
2581 *
2582 * Context:
2583 */
2584 void
2585 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
2586 {
2587 fc_port_t *fcport;
2588
2589 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2590 if (vha->vp_idx != 0 && vha->vp_idx != fcport->vp_idx)
2591 continue;
2592
2593 /*
2594 * No point in marking the device as lost, if the device is
2595 * already DEAD.
2596 */
2597 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
2598 continue;
2599 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2600 if (defer)
2601 qla2x00_schedule_rport_del(vha, fcport, defer);
2602 else if (vha->vp_idx == fcport->vp_idx)
2603 qla2x00_schedule_rport_del(vha, fcport, defer);
2604 }
2605 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2606 }
2607 }
2608
2609 /*
2610 * qla2x00_mem_alloc
2611 * Allocates adapter memory.
2612 *
2613 * Returns:
2614 * 0 = success.
2615 * !0 = failure.
2616 */
2617 static int
2618 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
2619 struct req_que **req, struct rsp_que **rsp)
2620 {
2621 char name[16];
2622
2623 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
2624 &ha->init_cb_dma, GFP_KERNEL);
2625 if (!ha->init_cb)
2626 goto fail;
2627
2628 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2629 &ha->gid_list_dma, GFP_KERNEL);
2630 if (!ha->gid_list)
2631 goto fail_free_init_cb;
2632
2633 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2634 if (!ha->srb_mempool)
2635 goto fail_free_gid_list;
2636
2637 if (IS_QLA82XX(ha)) {
2638 /* Allocate cache for CT6 Ctx. */
2639 if (!ctx_cachep) {
2640 ctx_cachep = kmem_cache_create("qla2xxx_ctx",
2641 sizeof(struct ct6_dsd), 0,
2642 SLAB_HWCACHE_ALIGN, NULL);
2643 if (!ctx_cachep)
2644 goto fail_free_gid_list;
2645 }
2646 ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ,
2647 ctx_cachep);
2648 if (!ha->ctx_mempool)
2649 goto fail_free_srb_mempool;
2650 }
2651
2652 /* Get memory for cached NVRAM */
2653 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2654 if (!ha->nvram)
2655 goto fail_free_ctx_mempool;
2656
2657 snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
2658 ha->pdev->device);
2659 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2660 DMA_POOL_SIZE, 8, 0);
2661 if (!ha->s_dma_pool)
2662 goto fail_free_nvram;
2663
2664 if (IS_QLA82XX(ha) || ql2xenabledif) {
2665 ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2666 DSD_LIST_DMA_POOL_SIZE, 8, 0);
2667 if (!ha->dl_dma_pool) {
2668 qla_printk(KERN_WARNING, ha,
2669 "Memory Allocation failed - dl_dma_pool\n");
2670 goto fail_s_dma_pool;
2671 }
2672
2673 ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2674 FCP_CMND_DMA_POOL_SIZE, 8, 0);
2675 if (!ha->fcp_cmnd_dma_pool) {
2676 qla_printk(KERN_WARNING, ha,
2677 "Memory Allocation failed - fcp_cmnd_dma_pool\n");
2678 goto fail_dl_dma_pool;
2679 }
2680 }
2681
2682 /* Allocate memory for SNS commands */
2683 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2684 /* Get consistent memory allocated for SNS commands */
2685 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
2686 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
2687 if (!ha->sns_cmd)
2688 goto fail_dma_pool;
2689 } else {
2690 /* Get consistent memory allocated for MS IOCB */
2691 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2692 &ha->ms_iocb_dma);
2693 if (!ha->ms_iocb)
2694 goto fail_dma_pool;
2695 /* Get consistent memory allocated for CT SNS commands */
2696 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
2697 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
2698 if (!ha->ct_sns)
2699 goto fail_free_ms_iocb;
2700 }
2701
2702 /* Allocate memory for request ring */
2703 *req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
2704 if (!*req) {
2705 DEBUG(printk("Unable to allocate memory for req\n"));
2706 goto fail_req;
2707 }
2708 (*req)->length = req_len;
2709 (*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
2710 ((*req)->length + 1) * sizeof(request_t),
2711 &(*req)->dma, GFP_KERNEL);
2712 if (!(*req)->ring) {
2713 DEBUG(printk("Unable to allocate memory for req_ring\n"));
2714 goto fail_req_ring;
2715 }
2716 /* Allocate memory for response ring */
2717 *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
2718 if (!*rsp) {
2719 qla_printk(KERN_WARNING, ha,
2720 "Unable to allocate memory for rsp\n");
2721 goto fail_rsp;
2722 }
2723 (*rsp)->hw = ha;
2724 (*rsp)->length = rsp_len;
2725 (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
2726 ((*rsp)->length + 1) * sizeof(response_t),
2727 &(*rsp)->dma, GFP_KERNEL);
2728 if (!(*rsp)->ring) {
2729 qla_printk(KERN_WARNING, ha,
2730 "Unable to allocate memory for rsp_ring\n");
2731 goto fail_rsp_ring;
2732 }
2733 (*req)->rsp = *rsp;
2734 (*rsp)->req = *req;
2735 /* Allocate memory for NVRAM data for vports */
2736 if (ha->nvram_npiv_size) {
2737 ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
2738 ha->nvram_npiv_size, GFP_KERNEL);
2739 if (!ha->npiv_info) {
2740 qla_printk(KERN_WARNING, ha,
2741 "Unable to allocate memory for npiv info\n");
2742 goto fail_npiv_info;
2743 }
2744 } else
2745 ha->npiv_info = NULL;
2746
2747 /* Get consistent memory allocated for EX-INIT-CB. */
2748 if (IS_QLA8XXX_TYPE(ha)) {
2749 ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2750 &ha->ex_init_cb_dma);
2751 if (!ha->ex_init_cb)
2752 goto fail_ex_init_cb;
2753 }
2754
2755 INIT_LIST_HEAD(&ha->gbl_dsd_list);
2756
2757 /* Get consistent memory allocated for Async Port-Database. */
2758 if (!IS_FWI2_CAPABLE(ha)) {
2759 ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2760 &ha->async_pd_dma);
2761 if (!ha->async_pd)
2762 goto fail_async_pd;
2763 }
2764
2765 INIT_LIST_HEAD(&ha->vp_list);
2766 return 1;
2767
2768 fail_async_pd:
2769 dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
2770 fail_ex_init_cb:
2771 kfree(ha->npiv_info);
2772 fail_npiv_info:
2773 dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
2774 sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
2775 (*rsp)->ring = NULL;
2776 (*rsp)->dma = 0;
2777 fail_rsp_ring:
2778 kfree(*rsp);
2779 fail_rsp:
2780 dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
2781 sizeof(request_t), (*req)->ring, (*req)->dma);
2782 (*req)->ring = NULL;
2783 (*req)->dma = 0;
2784 fail_req_ring:
2785 kfree(*req);
2786 fail_req:
2787 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2788 ha->ct_sns, ha->ct_sns_dma);
2789 ha->ct_sns = NULL;
2790 ha->ct_sns_dma = 0;
2791 fail_free_ms_iocb:
2792 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2793 ha->ms_iocb = NULL;
2794 ha->ms_iocb_dma = 0;
2795 fail_dma_pool:
2796 if (IS_QLA82XX(ha) || ql2xenabledif) {
2797 dma_pool_destroy(ha->fcp_cmnd_dma_pool);
2798 ha->fcp_cmnd_dma_pool = NULL;
2799 }
2800 fail_dl_dma_pool:
2801 if (IS_QLA82XX(ha) || ql2xenabledif) {
2802 dma_pool_destroy(ha->dl_dma_pool);
2803 ha->dl_dma_pool = NULL;
2804 }
2805 fail_s_dma_pool:
2806 dma_pool_destroy(ha->s_dma_pool);
2807 ha->s_dma_pool = NULL;
2808 fail_free_nvram:
2809 kfree(ha->nvram);
2810 ha->nvram = NULL;
2811 fail_free_ctx_mempool:
2812 mempool_destroy(ha->ctx_mempool);
2813 ha->ctx_mempool = NULL;
2814 fail_free_srb_mempool:
2815 mempool_destroy(ha->srb_mempool);
2816 ha->srb_mempool = NULL;
2817 fail_free_gid_list:
2818 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2819 ha->gid_list_dma);
2820 ha->gid_list = NULL;
2821 ha->gid_list_dma = 0;
2822 fail_free_init_cb:
2823 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
2824 ha->init_cb_dma);
2825 ha->init_cb = NULL;
2826 ha->init_cb_dma = 0;
2827 fail:
2828 DEBUG(printk("%s: Memory allocation failure\n", __func__));
2829 return -ENOMEM;
2830 }
2831
2832 /*
2833 * qla2x00_mem_free
2834 * Frees all adapter allocated memory.
2835 *
2836 * Input:
2837 * ha = adapter block pointer.
2838 */
2839 static void
2840 qla2x00_mem_free(struct qla_hw_data *ha)
2841 {
2842 if (ha->srb_mempool)
2843 mempool_destroy(ha->srb_mempool);
2844
2845 if (ha->fce)
2846 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
2847 ha->fce_dma);
2848
2849 if (ha->fw_dump) {
2850 if (ha->eft)
2851 dma_free_coherent(&ha->pdev->dev,
2852 ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
2853 vfree(ha->fw_dump);
2854 }
2855
2856 if (ha->dcbx_tlv)
2857 dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
2858 ha->dcbx_tlv, ha->dcbx_tlv_dma);
2859
2860 if (ha->xgmac_data)
2861 dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
2862 ha->xgmac_data, ha->xgmac_data_dma);
2863
2864 if (ha->sns_cmd)
2865 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2866 ha->sns_cmd, ha->sns_cmd_dma);
2867
2868 if (ha->ct_sns)
2869 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2870 ha->ct_sns, ha->ct_sns_dma);
2871
2872 if (ha->sfp_data)
2873 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2874
2875 if (ha->edc_data)
2876 dma_pool_free(ha->s_dma_pool, ha->edc_data, ha->edc_data_dma);
2877
2878 if (ha->ms_iocb)
2879 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2880
2881 if (ha->ex_init_cb)
2882 dma_pool_free(ha->s_dma_pool,
2883 ha->ex_init_cb, ha->ex_init_cb_dma);
2884
2885 if (ha->async_pd)
2886 dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
2887
2888 if (ha->s_dma_pool)
2889 dma_pool_destroy(ha->s_dma_pool);
2890
2891 if (ha->gid_list)
2892 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2893 ha->gid_list_dma);
2894
2895 if (IS_QLA82XX(ha)) {
2896 if (!list_empty(&ha->gbl_dsd_list)) {
2897 struct dsd_dma *dsd_ptr, *tdsd_ptr;
2898
2899 /* clean up allocated prev pool */
2900 list_for_each_entry_safe(dsd_ptr,
2901 tdsd_ptr, &ha->gbl_dsd_list, list) {
2902 dma_pool_free(ha->dl_dma_pool,
2903 dsd_ptr->dsd_addr, dsd_ptr->dsd_list_dma);
2904 list_del(&dsd_ptr->list);
2905 kfree(dsd_ptr);
2906 }
2907 }
2908 }
2909
2910 if (ha->dl_dma_pool)
2911 dma_pool_destroy(ha->dl_dma_pool);
2912
2913 if (ha->fcp_cmnd_dma_pool)
2914 dma_pool_destroy(ha->fcp_cmnd_dma_pool);
2915
2916 if (ha->ctx_mempool)
2917 mempool_destroy(ha->ctx_mempool);
2918
2919 if (ha->init_cb)
2920 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2921 ha->init_cb, ha->init_cb_dma);
2922 vfree(ha->optrom_buffer);
2923 kfree(ha->nvram);
2924 kfree(ha->npiv_info);
2925
2926 ha->srb_mempool = NULL;
2927 ha->ctx_mempool = NULL;
2928 ha->eft = NULL;
2929 ha->eft_dma = 0;
2930 ha->sns_cmd = NULL;
2931 ha->sns_cmd_dma = 0;
2932 ha->ct_sns = NULL;
2933 ha->ct_sns_dma = 0;
2934 ha->ms_iocb = NULL;
2935 ha->ms_iocb_dma = 0;
2936 ha->init_cb = NULL;
2937 ha->init_cb_dma = 0;
2938 ha->ex_init_cb = NULL;
2939 ha->ex_init_cb_dma = 0;
2940 ha->async_pd = NULL;
2941 ha->async_pd_dma = 0;
2942
2943 ha->s_dma_pool = NULL;
2944 ha->dl_dma_pool = NULL;
2945 ha->fcp_cmnd_dma_pool = NULL;
2946
2947 ha->gid_list = NULL;
2948 ha->gid_list_dma = 0;
2949
2950 ha->fw_dump = NULL;
2951 ha->fw_dumped = 0;
2952 ha->fw_dump_reading = 0;
2953 }
2954
2955 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
2956 struct qla_hw_data *ha)
2957 {
2958 struct Scsi_Host *host;
2959 struct scsi_qla_host *vha = NULL;
2960
2961 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
2962 if (host == NULL) {
2963 printk(KERN_WARNING
2964 "qla2xxx: Couldn't allocate host from scsi layer!\n");
2965 goto fail;
2966 }
2967
2968 /* Clear our data area */
2969 vha = shost_priv(host);
2970 memset(vha, 0, sizeof(scsi_qla_host_t));
2971
2972 vha->host = host;
2973 vha->host_no = host->host_no;
2974 vha->hw = ha;
2975
2976 INIT_LIST_HEAD(&vha->vp_fcports);
2977 INIT_LIST_HEAD(&vha->work_list);
2978 INIT_LIST_HEAD(&vha->list);
2979
2980 spin_lock_init(&vha->work_lock);
2981
2982 sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
2983 return vha;
2984
2985 fail:
2986 return vha;
2987 }
2988
2989 static struct qla_work_evt *
2990 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
2991 {
2992 struct qla_work_evt *e;
2993 uint8_t bail;
2994
2995 QLA_VHA_MARK_BUSY(vha, bail);
2996 if (bail)
2997 return NULL;
2998
2999 e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
3000 if (!e) {
3001 QLA_VHA_MARK_NOT_BUSY(vha);
3002 return NULL;
3003 }
3004
3005 INIT_LIST_HEAD(&e->list);
3006 e->type = type;
3007 e->flags = QLA_EVT_FLAG_FREE;
3008 return e;
3009 }
3010
3011 static int
3012 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
3013 {
3014 unsigned long flags;
3015
3016 spin_lock_irqsave(&vha->work_lock, flags);
3017 list_add_tail(&e->list, &vha->work_list);
3018 spin_unlock_irqrestore(&vha->work_lock, flags);
3019 qla2xxx_wake_dpc(vha);
3020
3021 return QLA_SUCCESS;
3022 }
3023
3024 int
3025 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
3026 u32 data)
3027 {
3028 struct qla_work_evt *e;
3029
3030 e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
3031 if (!e)
3032 return QLA_FUNCTION_FAILED;
3033
3034 e->u.aen.code = code;
3035 e->u.aen.data = data;
3036 return qla2x00_post_work(vha, e);
3037 }
3038
3039 int
3040 qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
3041 {
3042 struct qla_work_evt *e;
3043
3044 e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
3045 if (!e)
3046 return QLA_FUNCTION_FAILED;
3047
3048 memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
3049 return qla2x00_post_work(vha, e);
3050 }
3051
3052 #define qla2x00_post_async_work(name, type) \
3053 int qla2x00_post_async_##name##_work( \
3054 struct scsi_qla_host *vha, \
3055 fc_port_t *fcport, uint16_t *data) \
3056 { \
3057 struct qla_work_evt *e; \
3058 \
3059 e = qla2x00_alloc_work(vha, type); \
3060 if (!e) \
3061 return QLA_FUNCTION_FAILED; \
3062 \
3063 e->u.logio.fcport = fcport; \
3064 if (data) { \
3065 e->u.logio.data[0] = data[0]; \
3066 e->u.logio.data[1] = data[1]; \
3067 } \
3068 return qla2x00_post_work(vha, e); \
3069 }
3070
3071 qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
3072 qla2x00_post_async_work(login_done, QLA_EVT_ASYNC_LOGIN_DONE);
3073 qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
3074 qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE);
3075 qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC);
3076 qla2x00_post_async_work(adisc_done, QLA_EVT_ASYNC_ADISC_DONE);
3077
3078 int
3079 qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
3080 {
3081 struct qla_work_evt *e;
3082
3083 e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
3084 if (!e)
3085 return QLA_FUNCTION_FAILED;
3086
3087 e->u.uevent.code = code;
3088 return qla2x00_post_work(vha, e);
3089 }
3090
3091 static void
3092 qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
3093 {
3094 char event_string[40];
3095 char *envp[] = { event_string, NULL };
3096
3097 switch (code) {
3098 case QLA_UEVENT_CODE_FW_DUMP:
3099 snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld",
3100 vha->host_no);
3101 break;
3102 default:
3103 /* do nothing */
3104 break;
3105 }
3106 kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
3107 }
3108
3109 void
3110 qla2x00_do_work(struct scsi_qla_host *vha)
3111 {
3112 struct qla_work_evt *e, *tmp;
3113 unsigned long flags;
3114 LIST_HEAD(work);
3115
3116 spin_lock_irqsave(&vha->work_lock, flags);
3117 list_splice_init(&vha->work_list, &work);
3118 spin_unlock_irqrestore(&vha->work_lock, flags);
3119
3120 list_for_each_entry_safe(e, tmp, &work, list) {
3121 list_del_init(&e->list);
3122
3123 switch (e->type) {
3124 case QLA_EVT_AEN:
3125 fc_host_post_event(vha->host, fc_get_event_number(),
3126 e->u.aen.code, e->u.aen.data);
3127 break;
3128 case QLA_EVT_IDC_ACK:
3129 qla81xx_idc_ack(vha, e->u.idc_ack.mb);
3130 break;
3131 case QLA_EVT_ASYNC_LOGIN:
3132 qla2x00_async_login(vha, e->u.logio.fcport,
3133 e->u.logio.data);
3134 break;
3135 case QLA_EVT_ASYNC_LOGIN_DONE:
3136 qla2x00_async_login_done(vha, e->u.logio.fcport,
3137 e->u.logio.data);
3138 break;
3139 case QLA_EVT_ASYNC_LOGOUT:
3140 qla2x00_async_logout(vha, e->u.logio.fcport);
3141 break;
3142 case QLA_EVT_ASYNC_LOGOUT_DONE:
3143 qla2x00_async_logout_done(vha, e->u.logio.fcport,
3144 e->u.logio.data);
3145 break;
3146 case QLA_EVT_ASYNC_ADISC:
3147 qla2x00_async_adisc(vha, e->u.logio.fcport,
3148 e->u.logio.data);
3149 break;
3150 case QLA_EVT_ASYNC_ADISC_DONE:
3151 qla2x00_async_adisc_done(vha, e->u.logio.fcport,
3152 e->u.logio.data);
3153 break;
3154 case QLA_EVT_UEVENT:
3155 qla2x00_uevent_emit(vha, e->u.uevent.code);
3156 break;
3157 }
3158 if (e->flags & QLA_EVT_FLAG_FREE)
3159 kfree(e);
3160
3161 /* For each work completed decrement vha ref count */
3162 QLA_VHA_MARK_NOT_BUSY(vha);
3163 }
3164 }
3165
3166 /* Relogins all the fcports of a vport
3167 * Context: dpc thread
3168 */
3169 void qla2x00_relogin(struct scsi_qla_host *vha)
3170 {
3171 fc_port_t *fcport;
3172 int status;
3173 uint16_t next_loopid = 0;
3174 struct qla_hw_data *ha = vha->hw;
3175 uint16_t data[2];
3176
3177 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3178 /*
3179 * If the port is not ONLINE then try to login
3180 * to it if we haven't run out of retries.
3181 */
3182 if (atomic_read(&fcport->state) != FCS_ONLINE &&
3183 fcport->login_retry && !(fcport->flags & FCF_ASYNC_SENT)) {
3184 fcport->login_retry--;
3185 if (fcport->flags & FCF_FABRIC_DEVICE) {
3186 if (fcport->flags & FCF_FCP2_DEVICE)
3187 ha->isp_ops->fabric_logout(vha,
3188 fcport->loop_id,
3189 fcport->d_id.b.domain,
3190 fcport->d_id.b.area,
3191 fcport->d_id.b.al_pa);
3192
3193 if (IS_ALOGIO_CAPABLE(ha)) {
3194 fcport->flags |= FCF_ASYNC_SENT;
3195 data[0] = 0;
3196 data[1] = QLA_LOGIO_LOGIN_RETRIED;
3197 status = qla2x00_post_async_login_work(
3198 vha, fcport, data);
3199 if (status == QLA_SUCCESS)
3200 continue;
3201 /* Attempt a retry. */
3202 status = 1;
3203 } else
3204 status = qla2x00_fabric_login(vha,
3205 fcport, &next_loopid);
3206 } else
3207 status = qla2x00_local_device_login(vha,
3208 fcport);
3209
3210 if (status == QLA_SUCCESS) {
3211 fcport->old_loop_id = fcport->loop_id;
3212
3213 DEBUG(printk("scsi(%ld): port login OK: logged "
3214 "in ID 0x%x\n", vha->host_no, fcport->loop_id));
3215
3216 qla2x00_update_fcport(vha, fcport);
3217
3218 } else if (status == 1) {
3219 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
3220 /* retry the login again */
3221 DEBUG(printk("scsi(%ld): Retrying"
3222 " %d login again loop_id 0x%x\n",
3223 vha->host_no, fcport->login_retry,
3224 fcport->loop_id));
3225 } else {
3226 fcport->login_retry = 0;
3227 }
3228
3229 if (fcport->login_retry == 0 && status != QLA_SUCCESS)
3230 fcport->loop_id = FC_NO_LOOP_ID;
3231 }
3232 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3233 break;
3234 }
3235 }
3236
3237 /**************************************************************************
3238 * qla2x00_do_dpc
3239 * This kernel thread is a task that is schedule by the interrupt handler
3240 * to perform the background processing for interrupts.
3241 *
3242 * Notes:
3243 * This task always run in the context of a kernel thread. It
3244 * is kick-off by the driver's detect code and starts up
3245 * up one per adapter. It immediately goes to sleep and waits for
3246 * some fibre event. When either the interrupt handler or
3247 * the timer routine detects a event it will one of the task
3248 * bits then wake us up.
3249 **************************************************************************/
3250 static int
3251 qla2x00_do_dpc(void *data)
3252 {
3253 int rval;
3254 scsi_qla_host_t *base_vha;
3255 struct qla_hw_data *ha;
3256
3257 ha = (struct qla_hw_data *)data;
3258 base_vha = pci_get_drvdata(ha->pdev);
3259
3260 set_user_nice(current, -20);
3261
3262 while (!kthread_should_stop()) {
3263 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
3264
3265 set_current_state(TASK_INTERRUPTIBLE);
3266 schedule();
3267 __set_current_state(TASK_RUNNING);
3268
3269 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
3270
3271 /* Initialization not yet finished. Don't do anything yet. */
3272 if (!base_vha->flags.init_done)
3273 continue;
3274
3275 if (ha->flags.eeh_busy) {
3276 DEBUG17(qla_printk(KERN_WARNING, ha,
3277 "qla2x00_do_dpc: dpc_flags: %lx\n",
3278 base_vha->dpc_flags));
3279 continue;
3280 }
3281
3282 DEBUG3(printk("scsi(%ld): DPC handler\n", base_vha->host_no));
3283
3284 ha->dpc_active = 1;
3285
3286 if (ha->flags.mbox_busy) {
3287 ha->dpc_active = 0;
3288 continue;
3289 }
3290
3291 qla2x00_do_work(base_vha);
3292
3293 if (IS_QLA82XX(ha)) {
3294 if (test_and_clear_bit(ISP_UNRECOVERABLE,
3295 &base_vha->dpc_flags)) {
3296 qla82xx_idc_lock(ha);
3297 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3298 QLA82XX_DEV_FAILED);
3299 qla82xx_idc_unlock(ha);
3300 qla_printk(KERN_INFO, ha,
3301 "HW State: FAILED\n");
3302 qla82xx_device_state_handler(base_vha);
3303 continue;
3304 }
3305
3306 if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED,
3307 &base_vha->dpc_flags)) {
3308
3309 DEBUG(printk(KERN_INFO
3310 "scsi(%ld): dpc: sched "
3311 "qla82xx_fcoe_ctx_reset ha = %p\n",
3312 base_vha->host_no, ha));
3313 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
3314 &base_vha->dpc_flags))) {
3315 if (qla82xx_fcoe_ctx_reset(base_vha)) {
3316 /* FCoE-ctx reset failed.
3317 * Escalate to chip-reset
3318 */
3319 set_bit(ISP_ABORT_NEEDED,
3320 &base_vha->dpc_flags);
3321 }
3322 clear_bit(ABORT_ISP_ACTIVE,
3323 &base_vha->dpc_flags);
3324 }
3325
3326 DEBUG(printk("scsi(%ld): dpc:"
3327 " qla82xx_fcoe_ctx_reset end\n",
3328 base_vha->host_no));
3329 }
3330 }
3331
3332 if (test_and_clear_bit(ISP_ABORT_NEEDED,
3333 &base_vha->dpc_flags)) {
3334
3335 DEBUG(printk("scsi(%ld): dpc: sched "
3336 "qla2x00_abort_isp ha = %p\n",
3337 base_vha->host_no, ha));
3338 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
3339 &base_vha->dpc_flags))) {
3340
3341 if (ha->isp_ops->abort_isp(base_vha)) {
3342 /* failed. retry later */
3343 set_bit(ISP_ABORT_NEEDED,
3344 &base_vha->dpc_flags);
3345 }
3346 clear_bit(ABORT_ISP_ACTIVE,
3347 &base_vha->dpc_flags);
3348 }
3349
3350 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
3351 base_vha->host_no));
3352 }
3353
3354 if (test_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags)) {
3355 qla2x00_update_fcports(base_vha);
3356 clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
3357 }
3358
3359 if (test_and_clear_bit(RESET_MARKER_NEEDED,
3360 &base_vha->dpc_flags) &&
3361 (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
3362
3363 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
3364 base_vha->host_no));
3365
3366 qla2x00_rst_aen(base_vha);
3367 clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
3368 }
3369
3370 /* Retry each device up to login retry count */
3371 if ((test_and_clear_bit(RELOGIN_NEEDED,
3372 &base_vha->dpc_flags)) &&
3373 !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
3374 atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
3375
3376 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
3377 base_vha->host_no));
3378 qla2x00_relogin(base_vha);
3379
3380 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
3381 base_vha->host_no));
3382 }
3383
3384 if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
3385 &base_vha->dpc_flags)) {
3386
3387 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
3388 base_vha->host_no));
3389
3390 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
3391 &base_vha->dpc_flags))) {
3392
3393 rval = qla2x00_loop_resync(base_vha);
3394
3395 clear_bit(LOOP_RESYNC_ACTIVE,
3396 &base_vha->dpc_flags);
3397 }
3398
3399 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
3400 base_vha->host_no));
3401 }
3402
3403 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
3404 atomic_read(&base_vha->loop_state) == LOOP_READY) {
3405 clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
3406 qla2xxx_flash_npiv_conf(base_vha);
3407 }
3408
3409 if (!ha->interrupts_on)
3410 ha->isp_ops->enable_intrs(ha);
3411
3412 if (test_and_clear_bit(BEACON_BLINK_NEEDED,
3413 &base_vha->dpc_flags))
3414 ha->isp_ops->beacon_blink(base_vha);
3415
3416 qla2x00_do_dpc_all_vps(base_vha);
3417
3418 ha->dpc_active = 0;
3419 } /* End of while(1) */
3420
3421 DEBUG(printk("scsi(%ld): DPC handler exiting\n", base_vha->host_no));
3422
3423 /*
3424 * Make sure that nobody tries to wake us up again.
3425 */
3426 ha->dpc_active = 0;
3427
3428 /* Cleanup any residual CTX SRBs. */
3429 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
3430
3431 return 0;
3432 }
3433
3434 void
3435 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
3436 {
3437 struct qla_hw_data *ha = vha->hw;
3438 struct task_struct *t = ha->dpc_thread;
3439
3440 if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
3441 wake_up_process(t);
3442 }
3443
3444 /*
3445 * qla2x00_rst_aen
3446 * Processes asynchronous reset.
3447 *
3448 * Input:
3449 * ha = adapter block pointer.
3450 */
3451 static void
3452 qla2x00_rst_aen(scsi_qla_host_t *vha)
3453 {
3454 if (vha->flags.online && !vha->flags.reset_active &&
3455 !atomic_read(&vha->loop_down_timer) &&
3456 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
3457 do {
3458 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
3459
3460 /*
3461 * Issue marker command only when we are going to start
3462 * the I/O.
3463 */
3464 vha->marker_needed = 1;
3465 } while (!atomic_read(&vha->loop_down_timer) &&
3466 (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
3467 }
3468 }
3469
3470 static void
3471 qla2x00_sp_free_dma(srb_t *sp)
3472 {
3473 struct scsi_cmnd *cmd = sp->cmd;
3474 struct qla_hw_data *ha = sp->fcport->vha->hw;
3475
3476 if (sp->flags & SRB_DMA_VALID) {
3477 scsi_dma_unmap(cmd);
3478 sp->flags &= ~SRB_DMA_VALID;
3479 }
3480
3481 if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
3482 dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
3483 scsi_prot_sg_count(cmd), cmd->sc_data_direction);
3484 sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
3485 }
3486
3487 if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
3488 /* List assured to be having elements */
3489 qla2x00_clean_dsd_pool(ha, sp);
3490 sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
3491 }
3492
3493 if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
3494 dma_pool_free(ha->dl_dma_pool, sp->ctx,
3495 ((struct crc_context *)sp->ctx)->crc_ctx_dma);
3496 sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
3497 }
3498
3499 CMD_SP(cmd) = NULL;
3500 }
3501
3502 static void
3503 qla2x00_sp_final_compl(struct qla_hw_data *ha, srb_t *sp)
3504 {
3505 struct scsi_cmnd *cmd = sp->cmd;
3506
3507 qla2x00_sp_free_dma(sp);
3508
3509 if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
3510 struct ct6_dsd *ctx = sp->ctx;
3511 dma_pool_free(ha->fcp_cmnd_dma_pool, ctx->fcp_cmnd,
3512 ctx->fcp_cmnd_dma);
3513 list_splice(&ctx->dsd_list, &ha->gbl_dsd_list);
3514 ha->gbl_dsd_inuse -= ctx->dsd_use_cnt;
3515 ha->gbl_dsd_avail += ctx->dsd_use_cnt;
3516 mempool_free(sp->ctx, ha->ctx_mempool);
3517 sp->ctx = NULL;
3518 }
3519
3520 mempool_free(sp, ha->srb_mempool);
3521 cmd->scsi_done(cmd);
3522 }
3523
3524 void
3525 qla2x00_sp_compl(struct qla_hw_data *ha, srb_t *sp)
3526 {
3527 if (atomic_read(&sp->ref_count) == 0) {
3528 DEBUG2(qla_printk(KERN_WARNING, ha,
3529 "SP reference-count to ZERO -- sp=%p\n", sp));
3530 DEBUG2(BUG());
3531 return;
3532 }
3533 if (!atomic_dec_and_test(&sp->ref_count))
3534 return;
3535 qla2x00_sp_final_compl(ha, sp);
3536 }
3537
3538 /**************************************************************************
3539 * qla2x00_timer
3540 *
3541 * Description:
3542 * One second timer
3543 *
3544 * Context: Interrupt
3545 ***************************************************************************/
3546 void
3547 qla2x00_timer(scsi_qla_host_t *vha)
3548 {
3549 unsigned long cpu_flags = 0;
3550 fc_port_t *fcport;
3551 int start_dpc = 0;
3552 int index;
3553 srb_t *sp;
3554 int t;
3555 uint16_t w;
3556 struct qla_hw_data *ha = vha->hw;
3557 struct req_que *req;
3558
3559 if (ha->flags.eeh_busy) {
3560 qla2x00_restart_timer(vha, WATCH_INTERVAL);
3561 return;
3562 }
3563
3564 if (IS_QLA82XX(ha))
3565 qla82xx_watchdog(vha);
3566
3567 /* Hardware read to raise pending EEH errors during mailbox waits. */
3568 if (!pci_channel_offline(ha->pdev))
3569 pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
3570 /*
3571 * Ports - Port down timer.
3572 *
3573 * Whenever, a port is in the LOST state we start decrementing its port
3574 * down timer every second until it reaches zero. Once it reaches zero
3575 * the port it marked DEAD.
3576 */
3577 t = 0;
3578 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3579 if (fcport->port_type != FCT_TARGET)
3580 continue;
3581
3582 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
3583
3584 if (atomic_read(&fcport->port_down_timer) == 0)
3585 continue;
3586
3587 if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
3588 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
3589
3590 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
3591 "%d remaining\n",
3592 vha->host_no,
3593 t, atomic_read(&fcport->port_down_timer)));
3594 }
3595 t++;
3596 } /* End of for fcport */
3597
3598
3599 /* Loop down handler. */
3600 if (atomic_read(&vha->loop_down_timer) > 0 &&
3601 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
3602 && vha->flags.online) {
3603
3604 if (atomic_read(&vha->loop_down_timer) ==
3605 vha->loop_down_abort_time) {
3606
3607 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
3608 "queues before time expire\n",
3609 vha->host_no));
3610
3611 if (!IS_QLA2100(ha) && vha->link_down_timeout)
3612 atomic_set(&vha->loop_state, LOOP_DEAD);
3613
3614 /*
3615 * Schedule an ISP abort to return any FCP2-device
3616 * commands.
3617 */
3618 /* NPIV - scan physical port only */
3619 if (!vha->vp_idx) {
3620 spin_lock_irqsave(&ha->hardware_lock,
3621 cpu_flags);
3622 req = ha->req_q_map[0];
3623 for (index = 1;
3624 index < MAX_OUTSTANDING_COMMANDS;
3625 index++) {
3626 fc_port_t *sfcp;
3627
3628 sp = req->outstanding_cmds[index];
3629 if (!sp)
3630 continue;
3631 if (sp->ctx && !IS_PROT_IO(sp))
3632 continue;
3633 sfcp = sp->fcport;
3634 if (!(sfcp->flags & FCF_FCP2_DEVICE))
3635 continue;
3636
3637 set_bit(ISP_ABORT_NEEDED,
3638 &vha->dpc_flags);
3639 break;
3640 }
3641 spin_unlock_irqrestore(&ha->hardware_lock,
3642 cpu_flags);
3643 }
3644 start_dpc++;
3645 }
3646
3647 /* if the loop has been down for 4 minutes, reinit adapter */
3648 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
3649 if (!(vha->device_flags & DFLG_NO_CABLE)) {
3650 DEBUG(printk("scsi(%ld): Loop down - "
3651 "aborting ISP.\n",
3652 vha->host_no));
3653 qla_printk(KERN_WARNING, ha,
3654 "Loop down - aborting ISP.\n");
3655
3656 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3657 }
3658 }
3659 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
3660 vha->host_no,
3661 atomic_read(&vha->loop_down_timer)));
3662 }
3663
3664 /* Check if beacon LED needs to be blinked */
3665 if (ha->beacon_blink_led == 1) {
3666 set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
3667 start_dpc++;
3668 }
3669
3670 /* Process any deferred work. */
3671 if (!list_empty(&vha->work_list))
3672 start_dpc++;
3673
3674 /* Schedule the DPC routine if needed */
3675 if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
3676 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
3677 test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
3678 start_dpc ||
3679 test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
3680 test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
3681 test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) ||
3682 test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
3683 test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
3684 test_bit(RELOGIN_NEEDED, &vha->dpc_flags)))
3685 qla2xxx_wake_dpc(vha);
3686
3687 qla2x00_restart_timer(vha, WATCH_INTERVAL);
3688 }
3689
3690 /* Firmware interface routines. */
3691
3692 #define FW_BLOBS 8
3693 #define FW_ISP21XX 0
3694 #define FW_ISP22XX 1
3695 #define FW_ISP2300 2
3696 #define FW_ISP2322 3
3697 #define FW_ISP24XX 4
3698 #define FW_ISP25XX 5
3699 #define FW_ISP81XX 6
3700 #define FW_ISP82XX 7
3701
3702 #define FW_FILE_ISP21XX "ql2100_fw.bin"
3703 #define FW_FILE_ISP22XX "ql2200_fw.bin"
3704 #define FW_FILE_ISP2300 "ql2300_fw.bin"
3705 #define FW_FILE_ISP2322 "ql2322_fw.bin"
3706 #define FW_FILE_ISP24XX "ql2400_fw.bin"
3707 #define FW_FILE_ISP25XX "ql2500_fw.bin"
3708 #define FW_FILE_ISP81XX "ql8100_fw.bin"
3709 #define FW_FILE_ISP82XX "ql8200_fw.bin"
3710
3711 static DEFINE_MUTEX(qla_fw_lock);
3712
3713 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
3714 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
3715 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
3716 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
3717 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
3718 { .name = FW_FILE_ISP24XX, },
3719 { .name = FW_FILE_ISP25XX, },
3720 { .name = FW_FILE_ISP81XX, },
3721 { .name = FW_FILE_ISP82XX, },
3722 };
3723
3724 struct fw_blob *
3725 qla2x00_request_firmware(scsi_qla_host_t *vha)
3726 {
3727 struct qla_hw_data *ha = vha->hw;
3728 struct fw_blob *blob;
3729
3730 blob = NULL;
3731 if (IS_QLA2100(ha)) {
3732 blob = &qla_fw_blobs[FW_ISP21XX];
3733 } else if (IS_QLA2200(ha)) {
3734 blob = &qla_fw_blobs[FW_ISP22XX];
3735 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
3736 blob = &qla_fw_blobs[FW_ISP2300];
3737 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
3738 blob = &qla_fw_blobs[FW_ISP2322];
3739 } else if (IS_QLA24XX_TYPE(ha)) {
3740 blob = &qla_fw_blobs[FW_ISP24XX];
3741 } else if (IS_QLA25XX(ha)) {
3742 blob = &qla_fw_blobs[FW_ISP25XX];
3743 } else if (IS_QLA81XX(ha)) {
3744 blob = &qla_fw_blobs[FW_ISP81XX];
3745 } else if (IS_QLA82XX(ha)) {
3746 blob = &qla_fw_blobs[FW_ISP82XX];
3747 }
3748
3749 mutex_lock(&qla_fw_lock);
3750 if (blob->fw)
3751 goto out;
3752
3753 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
3754 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
3755 "(%s).\n", vha->host_no, blob->name));
3756 blob->fw = NULL;
3757 blob = NULL;
3758 goto out;
3759 }
3760
3761 out:
3762 mutex_unlock(&qla_fw_lock);
3763 return blob;
3764 }
3765
3766 static void
3767 qla2x00_release_firmware(void)
3768 {
3769 int idx;
3770
3771 mutex_lock(&qla_fw_lock);
3772 for (idx = 0; idx < FW_BLOBS; idx++)
3773 if (qla_fw_blobs[idx].fw)
3774 release_firmware(qla_fw_blobs[idx].fw);
3775 mutex_unlock(&qla_fw_lock);
3776 }
3777
3778 static pci_ers_result_t
3779 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
3780 {
3781 scsi_qla_host_t *vha = pci_get_drvdata(pdev);
3782 struct qla_hw_data *ha = vha->hw;
3783
3784 DEBUG2(qla_printk(KERN_WARNING, ha, "error_detected:state %x\n",
3785 state));
3786
3787 switch (state) {
3788 case pci_channel_io_normal:
3789 ha->flags.eeh_busy = 0;
3790 return PCI_ERS_RESULT_CAN_RECOVER;
3791 case pci_channel_io_frozen:
3792 ha->flags.eeh_busy = 1;
3793 /* For ISP82XX complete any pending mailbox cmd */
3794 if (IS_QLA82XX(ha)) {
3795 ha->flags.fw_hung = 1;
3796 if (ha->flags.mbox_busy) {
3797 ha->flags.mbox_int = 1;
3798 DEBUG2(qla_printk(KERN_ERR, ha,
3799 "Due to pci channel io frozen, doing premature "
3800 "completion of mbx command\n"));
3801 complete(&ha->mbx_intr_comp);
3802 }
3803 }
3804 qla2x00_free_irqs(vha);
3805 pci_disable_device(pdev);
3806 /* Return back all IOs */
3807 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
3808 return PCI_ERS_RESULT_NEED_RESET;
3809 case pci_channel_io_perm_failure:
3810 ha->flags.pci_channel_io_perm_failure = 1;
3811 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
3812 return PCI_ERS_RESULT_DISCONNECT;
3813 }
3814 return PCI_ERS_RESULT_NEED_RESET;
3815 }
3816
3817 static pci_ers_result_t
3818 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
3819 {
3820 int risc_paused = 0;
3821 uint32_t stat;
3822 unsigned long flags;
3823 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3824 struct qla_hw_data *ha = base_vha->hw;
3825 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3826 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
3827
3828 if (IS_QLA82XX(ha))
3829 return PCI_ERS_RESULT_RECOVERED;
3830
3831 spin_lock_irqsave(&ha->hardware_lock, flags);
3832 if (IS_QLA2100(ha) || IS_QLA2200(ha)){
3833 stat = RD_REG_DWORD(&reg->hccr);
3834 if (stat & HCCR_RISC_PAUSE)
3835 risc_paused = 1;
3836 } else if (IS_QLA23XX(ha)) {
3837 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
3838 if (stat & HSR_RISC_PAUSED)
3839 risc_paused = 1;
3840 } else if (IS_FWI2_CAPABLE(ha)) {
3841 stat = RD_REG_DWORD(&reg24->host_status);
3842 if (stat & HSRX_RISC_PAUSED)
3843 risc_paused = 1;
3844 }
3845 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3846
3847 if (risc_paused) {
3848 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
3849 "Dumping firmware!\n");
3850 ha->isp_ops->fw_dump(base_vha, 0);
3851
3852 return PCI_ERS_RESULT_NEED_RESET;
3853 } else
3854 return PCI_ERS_RESULT_RECOVERED;
3855 }
3856
3857 uint32_t qla82xx_error_recovery(scsi_qla_host_t *base_vha)
3858 {
3859 uint32_t rval = QLA_FUNCTION_FAILED;
3860 uint32_t drv_active = 0;
3861 struct qla_hw_data *ha = base_vha->hw;
3862 int fn;
3863 struct pci_dev *other_pdev = NULL;
3864
3865 DEBUG17(qla_printk(KERN_INFO, ha,
3866 "scsi(%ld): In qla82xx_error_recovery\n", base_vha->host_no));
3867
3868 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3869
3870 if (base_vha->flags.online) {
3871 /* Abort all outstanding commands,
3872 * so as to be requeued later */
3873 qla2x00_abort_isp_cleanup(base_vha);
3874 }
3875
3876
3877 fn = PCI_FUNC(ha->pdev->devfn);
3878 while (fn > 0) {
3879 fn--;
3880 DEBUG17(qla_printk(KERN_INFO, ha,
3881 "Finding pci device at function = 0x%x\n", fn));
3882 other_pdev =
3883 pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus),
3884 ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn),
3885 fn));
3886
3887 if (!other_pdev)
3888 continue;
3889 if (atomic_read(&other_pdev->enable_cnt)) {
3890 DEBUG17(qla_printk(KERN_INFO, ha,
3891 "Found PCI func availabe and enabled at 0x%x\n",
3892 fn));
3893 pci_dev_put(other_pdev);
3894 break;
3895 }
3896 pci_dev_put(other_pdev);
3897 }
3898
3899 if (!fn) {
3900 /* Reset owner */
3901 DEBUG17(qla_printk(KERN_INFO, ha,
3902 "This devfn is reset owner = 0x%x\n", ha->pdev->devfn));
3903 qla82xx_idc_lock(ha);
3904
3905 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3906 QLA82XX_DEV_INITIALIZING);
3907
3908 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_IDC_VERSION,
3909 QLA82XX_IDC_VERSION);
3910
3911 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
3912 DEBUG17(qla_printk(KERN_INFO, ha,
3913 "drv_active = 0x%x\n", drv_active));
3914
3915 qla82xx_idc_unlock(ha);
3916 /* Reset if device is not already reset
3917 * drv_active would be 0 if a reset has already been done
3918 */
3919 if (drv_active)
3920 rval = qla82xx_start_firmware(base_vha);
3921 else
3922 rval = QLA_SUCCESS;
3923 qla82xx_idc_lock(ha);
3924
3925 if (rval != QLA_SUCCESS) {
3926 qla_printk(KERN_INFO, ha, "HW State: FAILED\n");
3927 qla82xx_clear_drv_active(ha);
3928 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3929 QLA82XX_DEV_FAILED);
3930 } else {
3931 qla_printk(KERN_INFO, ha, "HW State: READY\n");
3932 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3933 QLA82XX_DEV_READY);
3934 qla82xx_idc_unlock(ha);
3935 ha->flags.fw_hung = 0;
3936 rval = qla82xx_restart_isp(base_vha);
3937 qla82xx_idc_lock(ha);
3938 /* Clear driver state register */
3939 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, 0);
3940 qla82xx_set_drv_active(base_vha);
3941 }
3942 qla82xx_idc_unlock(ha);
3943 } else {
3944 DEBUG17(qla_printk(KERN_INFO, ha,
3945 "This devfn is not reset owner = 0x%x\n", ha->pdev->devfn));
3946 if ((qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE) ==
3947 QLA82XX_DEV_READY)) {
3948 ha->flags.fw_hung = 0;
3949 rval = qla82xx_restart_isp(base_vha);
3950 qla82xx_idc_lock(ha);
3951 qla82xx_set_drv_active(base_vha);
3952 qla82xx_idc_unlock(ha);
3953 }
3954 }
3955 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3956
3957 return rval;
3958 }
3959
3960 static pci_ers_result_t
3961 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
3962 {
3963 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
3964 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3965 struct qla_hw_data *ha = base_vha->hw;
3966 struct rsp_que *rsp;
3967 int rc, retries = 10;
3968
3969 DEBUG17(qla_printk(KERN_WARNING, ha, "slot_reset\n"));
3970
3971 /* Workaround: qla2xxx driver which access hardware earlier
3972 * needs error state to be pci_channel_io_online.
3973 * Otherwise mailbox command timesout.
3974 */
3975 pdev->error_state = pci_channel_io_normal;
3976
3977 pci_restore_state(pdev);
3978
3979 /* pci_restore_state() clears the saved_state flag of the device
3980 * save restored state which resets saved_state flag
3981 */
3982 pci_save_state(pdev);
3983
3984 if (ha->mem_only)
3985 rc = pci_enable_device_mem(pdev);
3986 else
3987 rc = pci_enable_device(pdev);
3988
3989 if (rc) {
3990 qla_printk(KERN_WARNING, ha,
3991 "Can't re-enable PCI device after reset.\n");
3992 goto exit_slot_reset;
3993 }
3994
3995 rsp = ha->rsp_q_map[0];
3996 if (qla2x00_request_irqs(ha, rsp))
3997 goto exit_slot_reset;
3998
3999 if (ha->isp_ops->pci_config(base_vha))
4000 goto exit_slot_reset;
4001
4002 if (IS_QLA82XX(ha)) {
4003 if (qla82xx_error_recovery(base_vha) == QLA_SUCCESS) {
4004 ret = PCI_ERS_RESULT_RECOVERED;
4005 goto exit_slot_reset;
4006 } else
4007 goto exit_slot_reset;
4008 }
4009
4010 while (ha->flags.mbox_busy && retries--)
4011 msleep(1000);
4012
4013 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
4014 if (ha->isp_ops->abort_isp(base_vha) == QLA_SUCCESS)
4015 ret = PCI_ERS_RESULT_RECOVERED;
4016 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
4017
4018
4019 exit_slot_reset:
4020 DEBUG17(qla_printk(KERN_WARNING, ha,
4021 "slot_reset-return:ret=%x\n", ret));
4022
4023 return ret;
4024 }
4025
4026 static void
4027 qla2xxx_pci_resume(struct pci_dev *pdev)
4028 {
4029 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
4030 struct qla_hw_data *ha = base_vha->hw;
4031 int ret;
4032
4033 DEBUG17(qla_printk(KERN_WARNING, ha, "pci_resume\n"));
4034
4035 ret = qla2x00_wait_for_hba_online(base_vha);
4036 if (ret != QLA_SUCCESS) {
4037 qla_printk(KERN_ERR, ha,
4038 "the device failed to resume I/O "
4039 "from slot/link_reset");
4040 }
4041
4042 pci_cleanup_aer_uncorrect_error_status(pdev);
4043
4044 ha->flags.eeh_busy = 0;
4045 }
4046
4047 static struct pci_error_handlers qla2xxx_err_handler = {
4048 .error_detected = qla2xxx_pci_error_detected,
4049 .mmio_enabled = qla2xxx_pci_mmio_enabled,
4050 .slot_reset = qla2xxx_pci_slot_reset,
4051 .resume = qla2xxx_pci_resume,
4052 };
4053
4054 static struct pci_device_id qla2xxx_pci_tbl[] = {
4055 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
4056 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
4057 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
4058 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
4059 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
4060 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
4061 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
4062 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
4063 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
4064 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
4065 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
4066 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
4067 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
4068 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
4069 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) },
4070 { 0 },
4071 };
4072 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
4073
4074 static struct pci_driver qla2xxx_pci_driver = {
4075 .name = QLA2XXX_DRIVER_NAME,
4076 .driver = {
4077 .owner = THIS_MODULE,
4078 },
4079 .id_table = qla2xxx_pci_tbl,
4080 .probe = qla2x00_probe_one,
4081 .remove = qla2x00_remove_one,
4082 .err_handler = &qla2xxx_err_handler,
4083 };
4084
4085 static struct file_operations apidev_fops = {
4086 .owner = THIS_MODULE,
4087 .llseek = noop_llseek,
4088 };
4089
4090 /**
4091 * qla2x00_module_init - Module initialization.
4092 **/
4093 static int __init
4094 qla2x00_module_init(void)
4095 {
4096 int ret = 0;
4097
4098 /* Allocate cache for SRBs. */
4099 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
4100 SLAB_HWCACHE_ALIGN, NULL);
4101 if (srb_cachep == NULL) {
4102 printk(KERN_ERR
4103 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
4104 return -ENOMEM;
4105 }
4106
4107 /* Derive version string. */
4108 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
4109 if (ql2xextended_error_logging)
4110 strcat(qla2x00_version_str, "-debug");
4111
4112 qla2xxx_transport_template =
4113 fc_attach_transport(&qla2xxx_transport_functions);
4114 if (!qla2xxx_transport_template) {
4115 kmem_cache_destroy(srb_cachep);
4116 return -ENODEV;
4117 }
4118
4119 apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops);
4120 if (apidev_major < 0) {
4121 printk(KERN_WARNING "qla2xxx: Unable to register char device "
4122 "%s\n", QLA2XXX_APIDEV);
4123 }
4124
4125 qla2xxx_transport_vport_template =
4126 fc_attach_transport(&qla2xxx_transport_vport_functions);
4127 if (!qla2xxx_transport_vport_template) {
4128 kmem_cache_destroy(srb_cachep);
4129 fc_release_transport(qla2xxx_transport_template);
4130 return -ENODEV;
4131 }
4132
4133 printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n",
4134 qla2x00_version_str);
4135 ret = pci_register_driver(&qla2xxx_pci_driver);
4136 if (ret) {
4137 kmem_cache_destroy(srb_cachep);
4138 fc_release_transport(qla2xxx_transport_template);
4139 fc_release_transport(qla2xxx_transport_vport_template);
4140 }
4141 return ret;
4142 }
4143
4144 /**
4145 * qla2x00_module_exit - Module cleanup.
4146 **/
4147 static void __exit
4148 qla2x00_module_exit(void)
4149 {
4150 unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
4151 pci_unregister_driver(&qla2xxx_pci_driver);
4152 qla2x00_release_firmware();
4153 kmem_cache_destroy(srb_cachep);
4154 if (ctx_cachep)
4155 kmem_cache_destroy(ctx_cachep);
4156 fc_release_transport(qla2xxx_transport_template);
4157 fc_release_transport(qla2xxx_transport_vport_template);
4158 }
4159
4160 module_init(qla2x00_module_init);
4161 module_exit(qla2x00_module_exit);
4162
4163 MODULE_AUTHOR("QLogic Corporation");
4164 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
4165 MODULE_LICENSE("GPL");
4166 MODULE_VERSION(QLA2XXX_VERSION);
4167 MODULE_FIRMWARE(FW_FILE_ISP21XX);
4168 MODULE_FIRMWARE(FW_FILE_ISP22XX);
4169 MODULE_FIRMWARE(FW_FILE_ISP2300);
4170 MODULE_FIRMWARE(FW_FILE_ISP2322);
4171 MODULE_FIRMWARE(FW_FILE_ISP24XX);
4172 MODULE_FIRMWARE(FW_FILE_ISP25XX);
Linux with added FPC-III support