]> git.proxmox.com Git - mirror_ubuntu-bionic-kernel.git/blob - drivers/scsi/qla2xxx/qla_os.c
projects / mirror_ubuntu-bionic-kernel.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
[SCSI] qla2xxx: General checkpatch corrections.
[mirror_ubuntu-bionic-kernel.git] / drivers / scsi / qla2xxx / qla_os.c
1 /*
2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2008 QLogic Corporation
4 *
5 * See LICENSE.qla2xxx for copyright and licensing details.
6 */
7 #include "qla_def.h"
8
9 #include <linux/moduleparam.h>
10 #include <linux/vmalloc.h>
11 #include <linux/delay.h>
12 #include <linux/kthread.h>
13 #include <linux/mutex.h>
14 #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 /*
28 * SRB allocation cache
29 */
30 static struct kmem_cache *srb_cachep;
31
32 int ql2xlogintimeout = 20;
33 module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR);
34 MODULE_PARM_DESC(ql2xlogintimeout,
35 "Login timeout value in seconds.");
36
37 int qlport_down_retry;
38 module_param(qlport_down_retry, int, S_IRUGO|S_IRUSR);
39 MODULE_PARM_DESC(qlport_down_retry,
40 "Maximum number of command retries to a port that returns "
41 "a PORT-DOWN status.");
42
43 int ql2xplogiabsentdevice;
44 module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
45 MODULE_PARM_DESC(ql2xplogiabsentdevice,
46 "Option to enable PLOGI to devices that are not present after "
47 "a Fabric scan. This is needed for several broken switches. "
48 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
49
50 int ql2xloginretrycount = 0;
51 module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR);
52 MODULE_PARM_DESC(ql2xloginretrycount,
53 "Specify an alternate value for the NVRAM login retry count.");
54
55 int ql2xallocfwdump = 1;
56 module_param(ql2xallocfwdump, int, S_IRUGO|S_IRUSR);
57 MODULE_PARM_DESC(ql2xallocfwdump,
58 "Option to enable allocation of memory for a firmware dump "
59 "during HBA initialization. Memory allocation requirements "
60 "vary by ISP type. Default is 1 - allocate memory.");
61
62 int ql2xextended_error_logging;
63 module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
64 MODULE_PARM_DESC(ql2xextended_error_logging,
65 "Option to enable extended error logging, "
66 "Default is 0 - no logging. 1 - log errors.");
67
68 static void qla2x00_free_device(scsi_qla_host_t *);
69
70 int ql2xfdmienable=1;
71 module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR);
72 MODULE_PARM_DESC(ql2xfdmienable,
73 "Enables FDMI registratons "
74 "Default is 0 - no FDMI. 1 - perfom FDMI.");
75
76 #define MAX_Q_DEPTH 32
77 static int ql2xmaxqdepth = MAX_Q_DEPTH;
78 module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
79 MODULE_PARM_DESC(ql2xmaxqdepth,
80 "Maximum queue depth to report for target devices.");
81
82 int ql2xiidmaenable=1;
83 module_param(ql2xiidmaenable, int, S_IRUGO|S_IRUSR);
84 MODULE_PARM_DESC(ql2xiidmaenable,
85 "Enables iIDMA settings "
86 "Default is 1 - perform iIDMA. 0 - no iIDMA.");
87
88 int ql2xmaxqueues = 1;
89 module_param(ql2xmaxqueues, int, S_IRUGO|S_IRUSR);
90 MODULE_PARM_DESC(ql2xmaxqueues,
91 "Enables MQ settings "
92 "Default is 1 for single queue. Set it to number \
93 of queues in MQ mode.");
94
95 int ql2xmultique_tag;
96 module_param(ql2xmultique_tag, int, S_IRUGO|S_IRUSR);
97 MODULE_PARM_DESC(ql2xmultique_tag,
98 "Enables CPU affinity settings for the driver "
99 "Default is 0 for no affinity of request and response IO. "
100 "Set it to 1 to turn on the cpu affinity.");
101
102 int ql2xfwloadbin;
103 module_param(ql2xfwloadbin, int, S_IRUGO|S_IRUSR);
104 MODULE_PARM_DESC(ql2xfwloadbin,
105 "Option to specify location from which to load ISP firmware:\n"
106 " 2 -- load firmware via the request_firmware() (hotplug)\n"
107 " interface.\n"
108 " 1 -- load firmware from flash.\n"
109 " 0 -- use default semantics.\n");
110
111 int ql2xetsenable;
112 module_param(ql2xetsenable, int, S_IRUGO|S_IRUSR);
113 MODULE_PARM_DESC(ql2xetsenable,
114 "Enables firmware ETS burst."
115 "Default is 0 - skip ETS enablement.");
116
117 /*
118 * SCSI host template entry points
119 */
120 static int qla2xxx_slave_configure(struct scsi_device * device);
121 static int qla2xxx_slave_alloc(struct scsi_device *);
122 static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
123 static void qla2xxx_scan_start(struct Scsi_Host *);
124 static void qla2xxx_slave_destroy(struct scsi_device *);
125 static int qla2xxx_queuecommand(struct scsi_cmnd *cmd,
126 void (*fn)(struct scsi_cmnd *));
127 static int qla2xxx_eh_abort(struct scsi_cmnd *);
128 static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
129 static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
130 static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
131 static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
132
133 static int qla2x00_change_queue_depth(struct scsi_device *, int, int);
134 static int qla2x00_change_queue_type(struct scsi_device *, int);
135
136 struct scsi_host_template qla2xxx_driver_template = {
137 .module = THIS_MODULE,
138 .name = QLA2XXX_DRIVER_NAME,
139 .queuecommand = qla2xxx_queuecommand,
140
141 .eh_abort_handler = qla2xxx_eh_abort,
142 .eh_device_reset_handler = qla2xxx_eh_device_reset,
143 .eh_target_reset_handler = qla2xxx_eh_target_reset,
144 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
145 .eh_host_reset_handler = qla2xxx_eh_host_reset,
146
147 .slave_configure = qla2xxx_slave_configure,
148
149 .slave_alloc = qla2xxx_slave_alloc,
150 .slave_destroy = qla2xxx_slave_destroy,
151 .scan_finished = qla2xxx_scan_finished,
152 .scan_start = qla2xxx_scan_start,
153 .change_queue_depth = qla2x00_change_queue_depth,
154 .change_queue_type = qla2x00_change_queue_type,
155 .this_id = -1,
156 .cmd_per_lun = 3,
157 .use_clustering = ENABLE_CLUSTERING,
158 .sg_tablesize = SG_ALL,
159
160 .max_sectors = 0xFFFF,
161 .shost_attrs = qla2x00_host_attrs,
162 };
163
164 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
165 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
166
167 /* TODO Convert to inlines
168 *
169 * Timer routines
170 */
171
172 __inline__ void
173 qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval)
174 {
175 init_timer(&vha->timer);
176 vha->timer.expires = jiffies + interval * HZ;
177 vha->timer.data = (unsigned long)vha;
178 vha->timer.function = (void (*)(unsigned long))func;
179 add_timer(&vha->timer);
180 vha->timer_active = 1;
181 }
182
183 static inline void
184 qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
185 {
186 mod_timer(&vha->timer, jiffies + interval * HZ);
187 }
188
189 static __inline__ void
190 qla2x00_stop_timer(scsi_qla_host_t *vha)
191 {
192 del_timer_sync(&vha->timer);
193 vha->timer_active = 0;
194 }
195
196 static int qla2x00_do_dpc(void *data);
197
198 static void qla2x00_rst_aen(scsi_qla_host_t *);
199
200 static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
201 struct req_que **, struct rsp_que **);
202 static void qla2x00_mem_free(struct qla_hw_data *);
203 static void qla2x00_sp_free_dma(srb_t *);
204
205 /* -------------------------------------------------------------------------- */
206 static int qla2x00_alloc_queues(struct qla_hw_data *ha)
207 {
208 ha->req_q_map = kzalloc(sizeof(struct req_que *) * ha->max_req_queues,
209 GFP_KERNEL);
210 if (!ha->req_q_map) {
211 qla_printk(KERN_WARNING, ha,
212 "Unable to allocate memory for request queue ptrs\n");
213 goto fail_req_map;
214 }
215
216 ha->rsp_q_map = kzalloc(sizeof(struct rsp_que *) * ha->max_rsp_queues,
217 GFP_KERNEL);
218 if (!ha->rsp_q_map) {
219 qla_printk(KERN_WARNING, ha,
220 "Unable to allocate memory for response queue ptrs\n");
221 goto fail_rsp_map;
222 }
223 set_bit(0, ha->rsp_qid_map);
224 set_bit(0, ha->req_qid_map);
225 return 1;
226
227 fail_rsp_map:
228 kfree(ha->req_q_map);
229 ha->req_q_map = NULL;
230 fail_req_map:
231 return -ENOMEM;
232 }
233
234 static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
235 {
236 if (req && req->ring)
237 dma_free_coherent(&ha->pdev->dev,
238 (req->length + 1) * sizeof(request_t),
239 req->ring, req->dma);
240
241 kfree(req);
242 req = NULL;
243 }
244
245 static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
246 {
247 if (rsp && rsp->ring)
248 dma_free_coherent(&ha->pdev->dev,
249 (rsp->length + 1) * sizeof(response_t),
250 rsp->ring, rsp->dma);
251
252 kfree(rsp);
253 rsp = NULL;
254 }
255
256 static void qla2x00_free_queues(struct qla_hw_data *ha)
257 {
258 struct req_que *req;
259 struct rsp_que *rsp;
260 int cnt;
261
262 for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
263 req = ha->req_q_map[cnt];
264 qla2x00_free_req_que(ha, req);
265 }
266 kfree(ha->req_q_map);
267 ha->req_q_map = NULL;
268
269 for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
270 rsp = ha->rsp_q_map[cnt];
271 qla2x00_free_rsp_que(ha, rsp);
272 }
273 kfree(ha->rsp_q_map);
274 ha->rsp_q_map = NULL;
275 }
276
277 static int qla25xx_setup_mode(struct scsi_qla_host *vha)
278 {
279 uint16_t options = 0;
280 int ques, req, ret;
281 struct qla_hw_data *ha = vha->hw;
282
283 if (!(ha->fw_attributes & BIT_6)) {
284 qla_printk(KERN_INFO, ha,
285 "Firmware is not multi-queue capable\n");
286 goto fail;
287 }
288 if (ql2xmultique_tag) {
289 /* create a request queue for IO */
290 options |= BIT_7;
291 req = qla25xx_create_req_que(ha, options, 0, 0, -1,
292 QLA_DEFAULT_QUE_QOS);
293 if (!req) {
294 qla_printk(KERN_WARNING, ha,
295 "Can't create request queue\n");
296 goto fail;
297 }
298 ha->wq = create_workqueue("qla2xxx_wq");
299 vha->req = ha->req_q_map[req];
300 options |= BIT_1;
301 for (ques = 1; ques < ha->max_rsp_queues; ques++) {
302 ret = qla25xx_create_rsp_que(ha, options, 0, 0, req);
303 if (!ret) {
304 qla_printk(KERN_WARNING, ha,
305 "Response Queue create failed\n");
306 goto fail2;
307 }
308 }
309 ha->flags.cpu_affinity_enabled = 1;
310
311 DEBUG2(qla_printk(KERN_INFO, ha,
312 "CPU affinity mode enabled, no. of response"
313 " queues:%d, no. of request queues:%d\n",
314 ha->max_rsp_queues, ha->max_req_queues));
315 }
316 return 0;
317 fail2:
318 qla25xx_delete_queues(vha);
319 destroy_workqueue(ha->wq);
320 ha->wq = NULL;
321 fail:
322 ha->mqenable = 0;
323 kfree(ha->req_q_map);
324 kfree(ha->rsp_q_map);
325 ha->max_req_queues = ha->max_rsp_queues = 1;
326 return 1;
327 }
328
329 static char *
330 qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
331 {
332 struct qla_hw_data *ha = vha->hw;
333 static char *pci_bus_modes[] = {
334 "33", "66", "100", "133",
335 };
336 uint16_t pci_bus;
337
338 strcpy(str, "PCI");
339 pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
340 if (pci_bus) {
341 strcat(str, "-X (");
342 strcat(str, pci_bus_modes[pci_bus]);
343 } else {
344 pci_bus = (ha->pci_attr & BIT_8) >> 8;
345 strcat(str, " (");
346 strcat(str, pci_bus_modes[pci_bus]);
347 }
348 strcat(str, " MHz)");
349
350 return (str);
351 }
352
353 static char *
354 qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
355 {
356 static char *pci_bus_modes[] = { "33", "66", "100", "133", };
357 struct qla_hw_data *ha = vha->hw;
358 uint32_t pci_bus;
359 int pcie_reg;
360
361 pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
362 if (pcie_reg) {
363 char lwstr[6];
364 uint16_t pcie_lstat, lspeed, lwidth;
365
366 pcie_reg += 0x12;
367 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
368 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
369 lwidth = (pcie_lstat &
370 (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
371
372 strcpy(str, "PCIe (");
373 if (lspeed == 1)
374 strcat(str, "2.5GT/s ");
375 else if (lspeed == 2)
376 strcat(str, "5.0GT/s ");
377 else
378 strcat(str, "<unknown> ");
379 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
380 strcat(str, lwstr);
381
382 return str;
383 }
384
385 strcpy(str, "PCI");
386 pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
387 if (pci_bus == 0 || pci_bus == 8) {
388 strcat(str, " (");
389 strcat(str, pci_bus_modes[pci_bus >> 3]);
390 } else {
391 strcat(str, "-X ");
392 if (pci_bus & BIT_2)
393 strcat(str, "Mode 2");
394 else
395 strcat(str, "Mode 1");
396 strcat(str, " (");
397 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
398 }
399 strcat(str, " MHz)");
400
401 return str;
402 }
403
404 static char *
405 qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str)
406 {
407 char un_str[10];
408 struct qla_hw_data *ha = vha->hw;
409
410 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
411 ha->fw_minor_version,
412 ha->fw_subminor_version);
413
414 if (ha->fw_attributes & BIT_9) {
415 strcat(str, "FLX");
416 return (str);
417 }
418
419 switch (ha->fw_attributes & 0xFF) {
420 case 0x7:
421 strcat(str, "EF");
422 break;
423 case 0x17:
424 strcat(str, "TP");
425 break;
426 case 0x37:
427 strcat(str, "IP");
428 break;
429 case 0x77:
430 strcat(str, "VI");
431 break;
432 default:
433 sprintf(un_str, "(%x)", ha->fw_attributes);
434 strcat(str, un_str);
435 break;
436 }
437 if (ha->fw_attributes & 0x100)
438 strcat(str, "X");
439
440 return (str);
441 }
442
443 static char *
444 qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str)
445 {
446 struct qla_hw_data *ha = vha->hw;
447
448 sprintf(str, "%d.%02d.%02d (%x)", ha->fw_major_version,
449 ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
450 return str;
451 }
452
453 static inline srb_t *
454 qla2x00_get_new_sp(scsi_qla_host_t *vha, fc_port_t *fcport,
455 struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
456 {
457 srb_t *sp;
458 struct qla_hw_data *ha = vha->hw;
459
460 sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
461 if (!sp)
462 return sp;
463
464 sp->fcport = fcport;
465 sp->cmd = cmd;
466 sp->flags = 0;
467 CMD_SP(cmd) = (void *)sp;
468 cmd->scsi_done = done;
469 sp->ctx = NULL;
470
471 return sp;
472 }
473
474 static int
475 qla2xxx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
476 {
477 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
478 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
479 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
480 struct qla_hw_data *ha = vha->hw;
481 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
482 srb_t *sp;
483 int rval;
484
485 if (ha->flags.eeh_busy) {
486 if (ha->flags.pci_channel_io_perm_failure)
487 cmd->result = DID_NO_CONNECT << 16;
488 else
489 cmd->result = DID_REQUEUE << 16;
490 goto qc24_fail_command;
491 }
492
493 rval = fc_remote_port_chkready(rport);
494 if (rval) {
495 cmd->result = rval;
496 goto qc24_fail_command;
497 }
498
499 /* Close window on fcport/rport state-transitioning. */
500 if (fcport->drport)
501 goto qc24_target_busy;
502
503 if (atomic_read(&fcport->state) != FCS_ONLINE) {
504 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
505 atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
506 cmd->result = DID_NO_CONNECT << 16;
507 goto qc24_fail_command;
508 }
509 goto qc24_target_busy;
510 }
511
512 spin_unlock_irq(vha->host->host_lock);
513
514 sp = qla2x00_get_new_sp(base_vha, fcport, cmd, done);
515 if (!sp)
516 goto qc24_host_busy_lock;
517
518 rval = ha->isp_ops->start_scsi(sp);
519 if (rval != QLA_SUCCESS)
520 goto qc24_host_busy_free_sp;
521
522 spin_lock_irq(vha->host->host_lock);
523
524 return 0;
525
526 qc24_host_busy_free_sp:
527 qla2x00_sp_free_dma(sp);
528 mempool_free(sp, ha->srb_mempool);
529
530 qc24_host_busy_lock:
531 spin_lock_irq(vha->host->host_lock);
532 return SCSI_MLQUEUE_HOST_BUSY;
533
534 qc24_target_busy:
535 return SCSI_MLQUEUE_TARGET_BUSY;
536
537 qc24_fail_command:
538 done(cmd);
539
540 return 0;
541 }
542
543
544 /*
545 * qla2x00_eh_wait_on_command
546 * Waits for the command to be returned by the Firmware for some
547 * max time.
548 *
549 * Input:
550 * cmd = Scsi Command to wait on.
551 *
552 * Return:
553 * Not Found : 0
554 * Found : 1
555 */
556 static int
557 qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
558 {
559 #define ABORT_POLLING_PERIOD 1000
560 #define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
561 unsigned long wait_iter = ABORT_WAIT_ITER;
562 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
563 struct qla_hw_data *ha = vha->hw;
564 int ret = QLA_SUCCESS;
565
566 if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) {
567 DEBUG17(qla_printk(KERN_WARNING, ha, "return:eh_wait\n"));
568 return ret;
569 }
570
571 while (CMD_SP(cmd) && wait_iter--) {
572 msleep(ABORT_POLLING_PERIOD);
573 }
574 if (CMD_SP(cmd))
575 ret = QLA_FUNCTION_FAILED;
576
577 return ret;
578 }
579
580 /*
581 * qla2x00_wait_for_hba_online
582 * Wait till the HBA is online after going through
583 * <= MAX_RETRIES_OF_ISP_ABORT or
584 * finally HBA is disabled ie marked offline
585 *
586 * Input:
587 * ha - pointer to host adapter structure
588 *
589 * Note:
590 * Does context switching-Release SPIN_LOCK
591 * (if any) before calling this routine.
592 *
593 * Return:
594 * Success (Adapter is online) : 0
595 * Failed (Adapter is offline/disabled) : 1
596 */
597 int
598 qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
599 {
600 int return_status;
601 unsigned long wait_online;
602 struct qla_hw_data *ha = vha->hw;
603 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
604
605 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
606 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
607 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
608 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
609 ha->dpc_active) && time_before(jiffies, wait_online)) {
610
611 msleep(1000);
612 }
613 if (base_vha->flags.online)
614 return_status = QLA_SUCCESS;
615 else
616 return_status = QLA_FUNCTION_FAILED;
617
618 return (return_status);
619 }
620
621 int
622 qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
623 {
624 int return_status;
625 unsigned long wait_reset;
626 struct qla_hw_data *ha = vha->hw;
627 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
628
629 wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
630 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
631 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
632 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
633 ha->dpc_active) && time_before(jiffies, wait_reset)) {
634
635 msleep(1000);
636
637 if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
638 ha->flags.chip_reset_done)
639 break;
640 }
641 if (ha->flags.chip_reset_done)
642 return_status = QLA_SUCCESS;
643 else
644 return_status = QLA_FUNCTION_FAILED;
645
646 return return_status;
647 }
648
649 /*
650 * qla2x00_wait_for_loop_ready
651 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
652 * to be in LOOP_READY state.
653 * Input:
654 * ha - pointer to host adapter structure
655 *
656 * Note:
657 * Does context switching-Release SPIN_LOCK
658 * (if any) before calling this routine.
659 *
660 *
661 * Return:
662 * Success (LOOP_READY) : 0
663 * Failed (LOOP_NOT_READY) : 1
664 */
665 static inline int
666 qla2x00_wait_for_loop_ready(scsi_qla_host_t *vha)
667 {
668 int return_status = QLA_SUCCESS;
669 unsigned long loop_timeout ;
670 struct qla_hw_data *ha = vha->hw;
671 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
672
673 /* wait for 5 min at the max for loop to be ready */
674 loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
675
676 while ((!atomic_read(&base_vha->loop_down_timer) &&
677 atomic_read(&base_vha->loop_state) == LOOP_DOWN) ||
678 atomic_read(&base_vha->loop_state) != LOOP_READY) {
679 if (atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
680 return_status = QLA_FUNCTION_FAILED;
681 break;
682 }
683 msleep(1000);
684 if (time_after_eq(jiffies, loop_timeout)) {
685 return_status = QLA_FUNCTION_FAILED;
686 break;
687 }
688 }
689 return (return_status);
690 }
691
692 /**************************************************************************
693 * qla2xxx_eh_abort
694 *
695 * Description:
696 * The abort function will abort the specified command.
697 *
698 * Input:
699 * cmd = Linux SCSI command packet to be aborted.
700 *
701 * Returns:
702 * Either SUCCESS or FAILED.
703 *
704 * Note:
705 * Only return FAILED if command not returned by firmware.
706 **************************************************************************/
707 static int
708 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
709 {
710 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
711 srb_t *sp;
712 int ret, i;
713 unsigned int id, lun;
714 unsigned long serial;
715 unsigned long flags;
716 int wait = 0;
717 struct qla_hw_data *ha = vha->hw;
718 struct req_que *req = vha->req;
719 srb_t *spt;
720
721 fc_block_scsi_eh(cmd);
722
723 if (!CMD_SP(cmd))
724 return SUCCESS;
725
726 ret = SUCCESS;
727
728 id = cmd->device->id;
729 lun = cmd->device->lun;
730 serial = cmd->serial_number;
731 spt = (srb_t *) CMD_SP(cmd);
732 if (!spt)
733 return SUCCESS;
734
735 /* Check active list for command command. */
736 spin_lock_irqsave(&ha->hardware_lock, flags);
737 for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
738 sp = req->outstanding_cmds[i];
739
740 if (sp == NULL)
741 continue;
742 if (sp->ctx)
743 continue;
744 if (sp->cmd != cmd)
745 continue;
746
747 DEBUG2(printk("%s(%ld): aborting sp %p from RISC."
748 " pid=%ld.\n", __func__, vha->host_no, sp, serial));
749
750 spin_unlock_irqrestore(&ha->hardware_lock, flags);
751 if (ha->isp_ops->abort_command(sp)) {
752 DEBUG2(printk("%s(%ld): abort_command "
753 "mbx failed.\n", __func__, vha->host_no));
754 ret = FAILED;
755 } else {
756 DEBUG3(printk("%s(%ld): abort_command "
757 "mbx success.\n", __func__, vha->host_no));
758 wait = 1;
759 }
760 spin_lock_irqsave(&ha->hardware_lock, flags);
761 break;
762 }
763 spin_unlock_irqrestore(&ha->hardware_lock, flags);
764
765 /* Wait for the command to be returned. */
766 if (wait) {
767 if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
768 qla_printk(KERN_ERR, ha,
769 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
770 "%x.\n", vha->host_no, id, lun, serial, ret);
771 ret = FAILED;
772 }
773 }
774
775 qla_printk(KERN_INFO, ha,
776 "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
777 vha->host_no, id, lun, wait, serial, ret);
778
779 return ret;
780 }
781
782 enum nexus_wait_type {
783 WAIT_HOST = 0,
784 WAIT_TARGET,
785 WAIT_LUN,
786 };
787
788 static int
789 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
790 unsigned int l, srb_t *sp, enum nexus_wait_type type)
791 {
792 int cnt, match, status;
793 unsigned long flags;
794 struct qla_hw_data *ha = vha->hw;
795 struct req_que *req;
796
797 status = QLA_SUCCESS;
798 if (!sp)
799 return status;
800
801 spin_lock_irqsave(&ha->hardware_lock, flags);
802 req = vha->req;
803 for (cnt = 1; status == QLA_SUCCESS &&
804 cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
805 sp = req->outstanding_cmds[cnt];
806 if (!sp)
807 continue;
808 if (sp->ctx)
809 continue;
810 if (vha->vp_idx != sp->fcport->vha->vp_idx)
811 continue;
812 match = 0;
813 switch (type) {
814 case WAIT_HOST:
815 match = 1;
816 break;
817 case WAIT_TARGET:
818 match = sp->cmd->device->id == t;
819 break;
820 case WAIT_LUN:
821 match = (sp->cmd->device->id == t &&
822 sp->cmd->device->lun == l);
823 break;
824 }
825 if (!match)
826 continue;
827
828 spin_unlock_irqrestore(&ha->hardware_lock, flags);
829 status = qla2x00_eh_wait_on_command(sp->cmd);
830 spin_lock_irqsave(&ha->hardware_lock, flags);
831 }
832 spin_unlock_irqrestore(&ha->hardware_lock, flags);
833
834 return status;
835 }
836
837 static char *reset_errors[] = {
838 "HBA not online",
839 "HBA not ready",
840 "Task management failed",
841 "Waiting for command completions",
842 };
843
844 static int
845 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
846 struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int, int))
847 {
848 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
849 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
850 int err;
851
852 fc_block_scsi_eh(cmd);
853
854 if (!fcport)
855 return FAILED;
856
857 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET ISSUED.\n",
858 vha->host_no, cmd->device->id, cmd->device->lun, name);
859
860 err = 0;
861 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
862 goto eh_reset_failed;
863 err = 1;
864 if (qla2x00_wait_for_loop_ready(vha) != QLA_SUCCESS)
865 goto eh_reset_failed;
866 err = 2;
867 if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
868 != QLA_SUCCESS)
869 goto eh_reset_failed;
870 err = 3;
871 if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
872 cmd->device->lun, (srb_t *) CMD_SP(cmd), type) != QLA_SUCCESS)
873 goto eh_reset_failed;
874
875 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n",
876 vha->host_no, cmd->device->id, cmd->device->lun, name);
877
878 return SUCCESS;
879
880 eh_reset_failed:
881 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n"
882 , vha->host_no, cmd->device->id, cmd->device->lun, name,
883 reset_errors[err]);
884 return FAILED;
885 }
886
887 static int
888 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
889 {
890 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
891 struct qla_hw_data *ha = vha->hw;
892
893 return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
894 ha->isp_ops->lun_reset);
895 }
896
897 static int
898 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
899 {
900 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
901 struct qla_hw_data *ha = vha->hw;
902
903 return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
904 ha->isp_ops->target_reset);
905 }
906
907 /**************************************************************************
908 * qla2xxx_eh_bus_reset
909 *
910 * Description:
911 * The bus reset function will reset the bus and abort any executing
912 * commands.
913 *
914 * Input:
915 * cmd = Linux SCSI command packet of the command that cause the
916 * bus reset.
917 *
918 * Returns:
919 * SUCCESS/FAILURE (defined as macro in scsi.h).
920 *
921 **************************************************************************/
922 static int
923 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
924 {
925 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
926 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
927 int ret = FAILED;
928 unsigned int id, lun;
929 unsigned long serial;
930 srb_t *sp = (srb_t *) CMD_SP(cmd);
931
932 fc_block_scsi_eh(cmd);
933
934 id = cmd->device->id;
935 lun = cmd->device->lun;
936 serial = cmd->serial_number;
937
938 if (!fcport)
939 return ret;
940
941 qla_printk(KERN_INFO, vha->hw,
942 "scsi(%ld:%d:%d): BUS RESET ISSUED.\n", vha->host_no, id, lun);
943
944 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
945 DEBUG2(printk("%s failed:board disabled\n",__func__));
946 goto eh_bus_reset_done;
947 }
948
949 if (qla2x00_wait_for_loop_ready(vha) == QLA_SUCCESS) {
950 if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
951 ret = SUCCESS;
952 }
953 if (ret == FAILED)
954 goto eh_bus_reset_done;
955
956 /* Flush outstanding commands. */
957 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) !=
958 QLA_SUCCESS)
959 ret = FAILED;
960
961 eh_bus_reset_done:
962 qla_printk(KERN_INFO, vha->hw, "%s: reset %s\n", __func__,
963 (ret == FAILED) ? "failed" : "succeded");
964
965 return ret;
966 }
967
968 /**************************************************************************
969 * qla2xxx_eh_host_reset
970 *
971 * Description:
972 * The reset function will reset the Adapter.
973 *
974 * Input:
975 * cmd = Linux SCSI command packet of the command that cause the
976 * adapter reset.
977 *
978 * Returns:
979 * Either SUCCESS or FAILED.
980 *
981 * Note:
982 **************************************************************************/
983 static int
984 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
985 {
986 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
987 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
988 struct qla_hw_data *ha = vha->hw;
989 int ret = FAILED;
990 unsigned int id, lun;
991 unsigned long serial;
992 srb_t *sp = (srb_t *) CMD_SP(cmd);
993 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
994
995 fc_block_scsi_eh(cmd);
996
997 id = cmd->device->id;
998 lun = cmd->device->lun;
999 serial = cmd->serial_number;
1000
1001 if (!fcport)
1002 return ret;
1003
1004 qla_printk(KERN_INFO, ha,
1005 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", vha->host_no, id, lun);
1006
1007 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
1008 goto eh_host_reset_lock;
1009
1010 /*
1011 * Fixme-may be dpc thread is active and processing
1012 * loop_resync,so wait a while for it to
1013 * be completed and then issue big hammer.Otherwise
1014 * it may cause I/O failure as big hammer marks the
1015 * devices as lost kicking of the port_down_timer
1016 * while dpc is stuck for the mailbox to complete.
1017 */
1018 qla2x00_wait_for_loop_ready(vha);
1019 if (vha != base_vha) {
1020 if (qla2x00_vp_abort_isp(vha))
1021 goto eh_host_reset_lock;
1022 } else {
1023 if (ha->wq)
1024 flush_workqueue(ha->wq);
1025
1026 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1027 if (qla2x00_abort_isp(base_vha)) {
1028 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1029 /* failed. schedule dpc to try */
1030 set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1031
1032 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
1033 goto eh_host_reset_lock;
1034 }
1035 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1036 }
1037
1038 /* Waiting for command to be returned to OS.*/
1039 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) ==
1040 QLA_SUCCESS)
1041 ret = SUCCESS;
1042
1043 eh_host_reset_lock:
1044 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1045 (ret == FAILED) ? "failed" : "succeded");
1046
1047 return ret;
1048 }
1049
1050 /*
1051 * qla2x00_loop_reset
1052 * Issue loop reset.
1053 *
1054 * Input:
1055 * ha = adapter block pointer.
1056 *
1057 * Returns:
1058 * 0 = success
1059 */
1060 int
1061 qla2x00_loop_reset(scsi_qla_host_t *vha)
1062 {
1063 int ret;
1064 struct fc_port *fcport;
1065 struct qla_hw_data *ha = vha->hw;
1066
1067 if (ha->flags.enable_target_reset) {
1068 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1069 if (fcport->port_type != FCT_TARGET)
1070 continue;
1071
1072 ret = ha->isp_ops->target_reset(fcport, 0, 0);
1073 if (ret != QLA_SUCCESS) {
1074 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1075 "target_reset=%d d_id=%x.\n", __func__,
1076 vha->host_no, ret, fcport->d_id.b24));
1077 }
1078 }
1079 }
1080
1081 if (ha->flags.enable_lip_full_login && !IS_QLA81XX(ha)) {
1082 ret = qla2x00_full_login_lip(vha);
1083 if (ret != QLA_SUCCESS) {
1084 DEBUG2_3(printk("%s(%ld): failed: "
1085 "full_login_lip=%d.\n", __func__, vha->host_no,
1086 ret));
1087 }
1088 atomic_set(&vha->loop_state, LOOP_DOWN);
1089 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1090 qla2x00_mark_all_devices_lost(vha, 0);
1091 qla2x00_wait_for_loop_ready(vha);
1092 }
1093
1094 if (ha->flags.enable_lip_reset) {
1095 ret = qla2x00_lip_reset(vha);
1096 if (ret != QLA_SUCCESS) {
1097 DEBUG2_3(printk("%s(%ld): failed: "
1098 "lip_reset=%d.\n", __func__, vha->host_no, ret));
1099 } else
1100 qla2x00_wait_for_loop_ready(vha);
1101 }
1102
1103 /* Issue marker command only when we are going to start the I/O */
1104 vha->marker_needed = 1;
1105
1106 return QLA_SUCCESS;
1107 }
1108
1109 void
1110 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1111 {
1112 int que, cnt;
1113 unsigned long flags;
1114 srb_t *sp;
1115 struct srb_ctx *ctx;
1116 struct qla_hw_data *ha = vha->hw;
1117 struct req_que *req;
1118
1119 spin_lock_irqsave(&ha->hardware_lock, flags);
1120 for (que = 0; que < ha->max_req_queues; que++) {
1121 req = ha->req_q_map[que];
1122 if (!req)
1123 continue;
1124 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1125 sp = req->outstanding_cmds[cnt];
1126 if (sp) {
1127 req->outstanding_cmds[cnt] = NULL;
1128 if (!sp->ctx) {
1129 sp->cmd->result = res;
1130 qla2x00_sp_compl(ha, sp);
1131 } else {
1132 ctx = sp->ctx;
1133 if (ctx->type == SRB_LOGIN_CMD ||
1134 ctx->type == SRB_LOGOUT_CMD) {
1135 del_timer_sync(&ctx->timer);
1136 ctx->free(sp);
1137 } else {
1138 struct srb_bsg *sp_bsg =
1139 (struct srb_bsg *)sp->ctx;
1140 struct fc_bsg_job *bsg_job =
1141 sp_bsg->bsg_job;
1142
1143 if (bsg_job->request->msgcode
1144 == FC_BSG_HST_CT)
1145 kfree(sp->fcport);
1146 bsg_job->req->errors = 0;
1147 bsg_job->reply->result = res;
1148 bsg_job->job_done(
1149 sp_bsg->bsg_job);
1150 kfree(sp->ctx);
1151 mempool_free(sp,
1152 ha->srb_mempool);
1153 }
1154 }
1155 }
1156 }
1157 }
1158 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1159 }
1160
1161 static int
1162 qla2xxx_slave_alloc(struct scsi_device *sdev)
1163 {
1164 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1165
1166 if (!rport || fc_remote_port_chkready(rport))
1167 return -ENXIO;
1168
1169 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1170
1171 return 0;
1172 }
1173
1174 static int
1175 qla2xxx_slave_configure(struct scsi_device *sdev)
1176 {
1177 scsi_qla_host_t *vha = shost_priv(sdev->host);
1178 struct qla_hw_data *ha = vha->hw;
1179 struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1180 struct req_que *req = vha->req;
1181
1182 if (sdev->tagged_supported)
1183 scsi_activate_tcq(sdev, req->max_q_depth);
1184 else
1185 scsi_deactivate_tcq(sdev, req->max_q_depth);
1186
1187 rport->dev_loss_tmo = ha->port_down_retry_count;
1188
1189 return 0;
1190 }
1191
1192 static void
1193 qla2xxx_slave_destroy(struct scsi_device *sdev)
1194 {
1195 sdev->hostdata = NULL;
1196 }
1197
1198 static void qla2x00_handle_queue_full(struct scsi_device *sdev, int qdepth)
1199 {
1200 fc_port_t *fcport = (struct fc_port *) sdev->hostdata;
1201
1202 if (!scsi_track_queue_full(sdev, qdepth))
1203 return;
1204
1205 DEBUG2(qla_printk(KERN_INFO, fcport->vha->hw,
1206 "scsi(%ld:%d:%d:%d): Queue depth adjusted-down to %d.\n",
1207 fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun,
1208 sdev->queue_depth));
1209 }
1210
1211 static void qla2x00_adjust_sdev_qdepth_up(struct scsi_device *sdev, int qdepth)
1212 {
1213 fc_port_t *fcport = sdev->hostdata;
1214 struct scsi_qla_host *vha = fcport->vha;
1215 struct qla_hw_data *ha = vha->hw;
1216 struct req_que *req = NULL;
1217
1218 req = vha->req;
1219 if (!req)
1220 return;
1221
1222 if (req->max_q_depth <= sdev->queue_depth || req->max_q_depth < qdepth)
1223 return;
1224
1225 if (sdev->ordered_tags)
1226 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, qdepth);
1227 else
1228 scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, qdepth);
1229
1230 DEBUG2(qla_printk(KERN_INFO, ha,
1231 "scsi(%ld:%d:%d:%d): Queue depth adjusted-up to %d.\n",
1232 fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun,
1233 sdev->queue_depth));
1234 }
1235
1236 static int
1237 qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
1238 {
1239 switch (reason) {
1240 case SCSI_QDEPTH_DEFAULT:
1241 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1242 break;
1243 case SCSI_QDEPTH_QFULL:
1244 qla2x00_handle_queue_full(sdev, qdepth);
1245 break;
1246 case SCSI_QDEPTH_RAMP_UP:
1247 qla2x00_adjust_sdev_qdepth_up(sdev, qdepth);
1248 break;
1249 default:
1250 return -EOPNOTSUPP;
1251 }
1252
1253 return sdev->queue_depth;
1254 }
1255
1256 static int
1257 qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1258 {
1259 if (sdev->tagged_supported) {
1260 scsi_set_tag_type(sdev, tag_type);
1261 if (tag_type)
1262 scsi_activate_tcq(sdev, sdev->queue_depth);
1263 else
1264 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1265 } else
1266 tag_type = 0;
1267
1268 return tag_type;
1269 }
1270
1271 /**
1272 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1273 * @ha: HA context
1274 *
1275 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1276 * supported addressing method.
1277 */
1278 static void
1279 qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1280 {
1281 /* Assume a 32bit DMA mask. */
1282 ha->flags.enable_64bit_addressing = 0;
1283
1284 if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1285 /* Any upper-dword bits set? */
1286 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1287 !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
1288 /* Ok, a 64bit DMA mask is applicable. */
1289 ha->flags.enable_64bit_addressing = 1;
1290 ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1291 ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1292 return;
1293 }
1294 }
1295
1296 dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1297 pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1298 }
1299
1300 static void
1301 qla2x00_enable_intrs(struct qla_hw_data *ha)
1302 {
1303 unsigned long flags = 0;
1304 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1305
1306 spin_lock_irqsave(&ha->hardware_lock, flags);
1307 ha->interrupts_on = 1;
1308 /* enable risc and host interrupts */
1309 WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1310 RD_REG_WORD(&reg->ictrl);
1311 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1312
1313 }
1314
1315 static void
1316 qla2x00_disable_intrs(struct qla_hw_data *ha)
1317 {
1318 unsigned long flags = 0;
1319 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1320
1321 spin_lock_irqsave(&ha->hardware_lock, flags);
1322 ha->interrupts_on = 0;
1323 /* disable risc and host interrupts */
1324 WRT_REG_WORD(&reg->ictrl, 0);
1325 RD_REG_WORD(&reg->ictrl);
1326 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1327 }
1328
1329 static void
1330 qla24xx_enable_intrs(struct qla_hw_data *ha)
1331 {
1332 unsigned long flags = 0;
1333 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1334
1335 spin_lock_irqsave(&ha->hardware_lock, flags);
1336 ha->interrupts_on = 1;
1337 WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1338 RD_REG_DWORD(&reg->ictrl);
1339 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1340 }
1341
1342 static void
1343 qla24xx_disable_intrs(struct qla_hw_data *ha)
1344 {
1345 unsigned long flags = 0;
1346 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1347
1348 if (IS_NOPOLLING_TYPE(ha))
1349 return;
1350 spin_lock_irqsave(&ha->hardware_lock, flags);
1351 ha->interrupts_on = 0;
1352 WRT_REG_DWORD(&reg->ictrl, 0);
1353 RD_REG_DWORD(&reg->ictrl);
1354 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1355 }
1356
1357 static struct isp_operations qla2100_isp_ops = {
1358 .pci_config = qla2100_pci_config,
1359 .reset_chip = qla2x00_reset_chip,
1360 .chip_diag = qla2x00_chip_diag,
1361 .config_rings = qla2x00_config_rings,
1362 .reset_adapter = qla2x00_reset_adapter,
1363 .nvram_config = qla2x00_nvram_config,
1364 .update_fw_options = qla2x00_update_fw_options,
1365 .load_risc = qla2x00_load_risc,
1366 .pci_info_str = qla2x00_pci_info_str,
1367 .fw_version_str = qla2x00_fw_version_str,
1368 .intr_handler = qla2100_intr_handler,
1369 .enable_intrs = qla2x00_enable_intrs,
1370 .disable_intrs = qla2x00_disable_intrs,
1371 .abort_command = qla2x00_abort_command,
1372 .target_reset = qla2x00_abort_target,
1373 .lun_reset = qla2x00_lun_reset,
1374 .fabric_login = qla2x00_login_fabric,
1375 .fabric_logout = qla2x00_fabric_logout,
1376 .calc_req_entries = qla2x00_calc_iocbs_32,
1377 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1378 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1379 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1380 .read_nvram = qla2x00_read_nvram_data,
1381 .write_nvram = qla2x00_write_nvram_data,
1382 .fw_dump = qla2100_fw_dump,
1383 .beacon_on = NULL,
1384 .beacon_off = NULL,
1385 .beacon_blink = NULL,
1386 .read_optrom = qla2x00_read_optrom_data,
1387 .write_optrom = qla2x00_write_optrom_data,
1388 .get_flash_version = qla2x00_get_flash_version,
1389 .start_scsi = qla2x00_start_scsi,
1390 };
1391
1392 static struct isp_operations qla2300_isp_ops = {
1393 .pci_config = qla2300_pci_config,
1394 .reset_chip = qla2x00_reset_chip,
1395 .chip_diag = qla2x00_chip_diag,
1396 .config_rings = qla2x00_config_rings,
1397 .reset_adapter = qla2x00_reset_adapter,
1398 .nvram_config = qla2x00_nvram_config,
1399 .update_fw_options = qla2x00_update_fw_options,
1400 .load_risc = qla2x00_load_risc,
1401 .pci_info_str = qla2x00_pci_info_str,
1402 .fw_version_str = qla2x00_fw_version_str,
1403 .intr_handler = qla2300_intr_handler,
1404 .enable_intrs = qla2x00_enable_intrs,
1405 .disable_intrs = qla2x00_disable_intrs,
1406 .abort_command = qla2x00_abort_command,
1407 .target_reset = qla2x00_abort_target,
1408 .lun_reset = qla2x00_lun_reset,
1409 .fabric_login = qla2x00_login_fabric,
1410 .fabric_logout = qla2x00_fabric_logout,
1411 .calc_req_entries = qla2x00_calc_iocbs_32,
1412 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1413 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1414 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1415 .read_nvram = qla2x00_read_nvram_data,
1416 .write_nvram = qla2x00_write_nvram_data,
1417 .fw_dump = qla2300_fw_dump,
1418 .beacon_on = qla2x00_beacon_on,
1419 .beacon_off = qla2x00_beacon_off,
1420 .beacon_blink = qla2x00_beacon_blink,
1421 .read_optrom = qla2x00_read_optrom_data,
1422 .write_optrom = qla2x00_write_optrom_data,
1423 .get_flash_version = qla2x00_get_flash_version,
1424 .start_scsi = qla2x00_start_scsi,
1425 };
1426
1427 static struct isp_operations qla24xx_isp_ops = {
1428 .pci_config = qla24xx_pci_config,
1429 .reset_chip = qla24xx_reset_chip,
1430 .chip_diag = qla24xx_chip_diag,
1431 .config_rings = qla24xx_config_rings,
1432 .reset_adapter = qla24xx_reset_adapter,
1433 .nvram_config = qla24xx_nvram_config,
1434 .update_fw_options = qla24xx_update_fw_options,
1435 .load_risc = qla24xx_load_risc,
1436 .pci_info_str = qla24xx_pci_info_str,
1437 .fw_version_str = qla24xx_fw_version_str,
1438 .intr_handler = qla24xx_intr_handler,
1439 .enable_intrs = qla24xx_enable_intrs,
1440 .disable_intrs = qla24xx_disable_intrs,
1441 .abort_command = qla24xx_abort_command,
1442 .target_reset = qla24xx_abort_target,
1443 .lun_reset = qla24xx_lun_reset,
1444 .fabric_login = qla24xx_login_fabric,
1445 .fabric_logout = qla24xx_fabric_logout,
1446 .calc_req_entries = NULL,
1447 .build_iocbs = NULL,
1448 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1449 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1450 .read_nvram = qla24xx_read_nvram_data,
1451 .write_nvram = qla24xx_write_nvram_data,
1452 .fw_dump = qla24xx_fw_dump,
1453 .beacon_on = qla24xx_beacon_on,
1454 .beacon_off = qla24xx_beacon_off,
1455 .beacon_blink = qla24xx_beacon_blink,
1456 .read_optrom = qla24xx_read_optrom_data,
1457 .write_optrom = qla24xx_write_optrom_data,
1458 .get_flash_version = qla24xx_get_flash_version,
1459 .start_scsi = qla24xx_start_scsi,
1460 };
1461
1462 static struct isp_operations qla25xx_isp_ops = {
1463 .pci_config = qla25xx_pci_config,
1464 .reset_chip = qla24xx_reset_chip,
1465 .chip_diag = qla24xx_chip_diag,
1466 .config_rings = qla24xx_config_rings,
1467 .reset_adapter = qla24xx_reset_adapter,
1468 .nvram_config = qla24xx_nvram_config,
1469 .update_fw_options = qla24xx_update_fw_options,
1470 .load_risc = qla24xx_load_risc,
1471 .pci_info_str = qla24xx_pci_info_str,
1472 .fw_version_str = qla24xx_fw_version_str,
1473 .intr_handler = qla24xx_intr_handler,
1474 .enable_intrs = qla24xx_enable_intrs,
1475 .disable_intrs = qla24xx_disable_intrs,
1476 .abort_command = qla24xx_abort_command,
1477 .target_reset = qla24xx_abort_target,
1478 .lun_reset = qla24xx_lun_reset,
1479 .fabric_login = qla24xx_login_fabric,
1480 .fabric_logout = qla24xx_fabric_logout,
1481 .calc_req_entries = NULL,
1482 .build_iocbs = NULL,
1483 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1484 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1485 .read_nvram = qla25xx_read_nvram_data,
1486 .write_nvram = qla25xx_write_nvram_data,
1487 .fw_dump = qla25xx_fw_dump,
1488 .beacon_on = qla24xx_beacon_on,
1489 .beacon_off = qla24xx_beacon_off,
1490 .beacon_blink = qla24xx_beacon_blink,
1491 .read_optrom = qla25xx_read_optrom_data,
1492 .write_optrom = qla24xx_write_optrom_data,
1493 .get_flash_version = qla24xx_get_flash_version,
1494 .start_scsi = qla24xx_start_scsi,
1495 };
1496
1497 static struct isp_operations qla81xx_isp_ops = {
1498 .pci_config = qla25xx_pci_config,
1499 .reset_chip = qla24xx_reset_chip,
1500 .chip_diag = qla24xx_chip_diag,
1501 .config_rings = qla24xx_config_rings,
1502 .reset_adapter = qla24xx_reset_adapter,
1503 .nvram_config = qla81xx_nvram_config,
1504 .update_fw_options = qla81xx_update_fw_options,
1505 .load_risc = qla81xx_load_risc,
1506 .pci_info_str = qla24xx_pci_info_str,
1507 .fw_version_str = qla24xx_fw_version_str,
1508 .intr_handler = qla24xx_intr_handler,
1509 .enable_intrs = qla24xx_enable_intrs,
1510 .disable_intrs = qla24xx_disable_intrs,
1511 .abort_command = qla24xx_abort_command,
1512 .target_reset = qla24xx_abort_target,
1513 .lun_reset = qla24xx_lun_reset,
1514 .fabric_login = qla24xx_login_fabric,
1515 .fabric_logout = qla24xx_fabric_logout,
1516 .calc_req_entries = NULL,
1517 .build_iocbs = NULL,
1518 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1519 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1520 .read_nvram = NULL,
1521 .write_nvram = NULL,
1522 .fw_dump = qla81xx_fw_dump,
1523 .beacon_on = qla24xx_beacon_on,
1524 .beacon_off = qla24xx_beacon_off,
1525 .beacon_blink = qla24xx_beacon_blink,
1526 .read_optrom = qla25xx_read_optrom_data,
1527 .write_optrom = qla24xx_write_optrom_data,
1528 .get_flash_version = qla24xx_get_flash_version,
1529 .start_scsi = qla24xx_start_scsi,
1530 };
1531
1532 static inline void
1533 qla2x00_set_isp_flags(struct qla_hw_data *ha)
1534 {
1535 ha->device_type = DT_EXTENDED_IDS;
1536 switch (ha->pdev->device) {
1537 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1538 ha->device_type |= DT_ISP2100;
1539 ha->device_type &= ~DT_EXTENDED_IDS;
1540 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1541 break;
1542 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1543 ha->device_type |= DT_ISP2200;
1544 ha->device_type &= ~DT_EXTENDED_IDS;
1545 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1546 break;
1547 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1548 ha->device_type |= DT_ISP2300;
1549 ha->device_type |= DT_ZIO_SUPPORTED;
1550 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1551 break;
1552 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1553 ha->device_type |= DT_ISP2312;
1554 ha->device_type |= DT_ZIO_SUPPORTED;
1555 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1556 break;
1557 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1558 ha->device_type |= DT_ISP2322;
1559 ha->device_type |= DT_ZIO_SUPPORTED;
1560 if (ha->pdev->subsystem_vendor == 0x1028 &&
1561 ha->pdev->subsystem_device == 0x0170)
1562 ha->device_type |= DT_OEM_001;
1563 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1564 break;
1565 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1566 ha->device_type |= DT_ISP6312;
1567 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1568 break;
1569 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1570 ha->device_type |= DT_ISP6322;
1571 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1572 break;
1573 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1574 ha->device_type |= DT_ISP2422;
1575 ha->device_type |= DT_ZIO_SUPPORTED;
1576 ha->device_type |= DT_FWI2;
1577 ha->device_type |= DT_IIDMA;
1578 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1579 break;
1580 case PCI_DEVICE_ID_QLOGIC_ISP2432:
1581 ha->device_type |= DT_ISP2432;
1582 ha->device_type |= DT_ZIO_SUPPORTED;
1583 ha->device_type |= DT_FWI2;
1584 ha->device_type |= DT_IIDMA;
1585 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1586 break;
1587 case PCI_DEVICE_ID_QLOGIC_ISP8432:
1588 ha->device_type |= DT_ISP8432;
1589 ha->device_type |= DT_ZIO_SUPPORTED;
1590 ha->device_type |= DT_FWI2;
1591 ha->device_type |= DT_IIDMA;
1592 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1593 break;
1594 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1595 ha->device_type |= DT_ISP5422;
1596 ha->device_type |= DT_FWI2;
1597 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1598 break;
1599 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1600 ha->device_type |= DT_ISP5432;
1601 ha->device_type |= DT_FWI2;
1602 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1603 break;
1604 case PCI_DEVICE_ID_QLOGIC_ISP2532:
1605 ha->device_type |= DT_ISP2532;
1606 ha->device_type |= DT_ZIO_SUPPORTED;
1607 ha->device_type |= DT_FWI2;
1608 ha->device_type |= DT_IIDMA;
1609 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1610 break;
1611 case PCI_DEVICE_ID_QLOGIC_ISP8001:
1612 ha->device_type |= DT_ISP8001;
1613 ha->device_type |= DT_ZIO_SUPPORTED;
1614 ha->device_type |= DT_FWI2;
1615 ha->device_type |= DT_IIDMA;
1616 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1617 break;
1618 }
1619
1620 /* Get adapter physical port no from interrupt pin register. */
1621 pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
1622 if (ha->port_no & 1)
1623 ha->flags.port0 = 1;
1624 else
1625 ha->flags.port0 = 0;
1626 }
1627
1628 static int
1629 qla2x00_iospace_config(struct qla_hw_data *ha)
1630 {
1631 resource_size_t pio;
1632 uint16_t msix;
1633 int cpus;
1634
1635 if (pci_request_selected_regions(ha->pdev, ha->bars,
1636 QLA2XXX_DRIVER_NAME)) {
1637 qla_printk(KERN_WARNING, ha,
1638 "Failed to reserve PIO/MMIO regions (%s)\n",
1639 pci_name(ha->pdev));
1640
1641 goto iospace_error_exit;
1642 }
1643 if (!(ha->bars & 1))
1644 goto skip_pio;
1645
1646 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1647 pio = pci_resource_start(ha->pdev, 0);
1648 if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1649 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1650 qla_printk(KERN_WARNING, ha,
1651 "Invalid PCI I/O region size (%s)...\n",
1652 pci_name(ha->pdev));
1653 pio = 0;
1654 }
1655 } else {
1656 qla_printk(KERN_WARNING, ha,
1657 "region #0 not a PIO resource (%s)...\n",
1658 pci_name(ha->pdev));
1659 pio = 0;
1660 }
1661 ha->pio_address = pio;
1662
1663 skip_pio:
1664 /* Use MMIO operations for all accesses. */
1665 if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1666 qla_printk(KERN_ERR, ha,
1667 "region #1 not an MMIO resource (%s), aborting\n",
1668 pci_name(ha->pdev));
1669 goto iospace_error_exit;
1670 }
1671 if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1672 qla_printk(KERN_ERR, ha,
1673 "Invalid PCI mem region size (%s), aborting\n",
1674 pci_name(ha->pdev));
1675 goto iospace_error_exit;
1676 }
1677
1678 ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1679 if (!ha->iobase) {
1680 qla_printk(KERN_ERR, ha,
1681 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1682
1683 goto iospace_error_exit;
1684 }
1685
1686 /* Determine queue resources */
1687 ha->max_req_queues = ha->max_rsp_queues = 1;
1688 if ((ql2xmaxqueues <= 1 && !ql2xmultique_tag) ||
1689 (ql2xmaxqueues > 1 && ql2xmultique_tag) ||
1690 (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
1691 goto mqiobase_exit;
1692
1693 ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1694 pci_resource_len(ha->pdev, 3));
1695 if (ha->mqiobase) {
1696 /* Read MSIX vector size of the board */
1697 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1698 ha->msix_count = msix;
1699 /* Max queues are bounded by available msix vectors */
1700 /* queue 0 uses two msix vectors */
1701 if (ql2xmultique_tag) {
1702 cpus = num_online_cpus();
1703 ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ?
1704 (cpus + 1) : (ha->msix_count - 1);
1705 ha->max_req_queues = 2;
1706 } else if (ql2xmaxqueues > 1) {
1707 ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ?
1708 QLA_MQ_SIZE : ql2xmaxqueues;
1709 DEBUG2(qla_printk(KERN_INFO, ha, "QoS mode set, max no"
1710 " of request queues:%d\n", ha->max_req_queues));
1711 }
1712 qla_printk(KERN_INFO, ha,
1713 "MSI-X vector count: %d\n", msix);
1714 } else
1715 qla_printk(KERN_INFO, ha, "BAR 3 not enabled\n");
1716
1717 mqiobase_exit:
1718 ha->msix_count = ha->max_rsp_queues + 1;
1719 return (0);
1720
1721 iospace_error_exit:
1722 return (-ENOMEM);
1723 }
1724
1725 static void
1726 qla2xxx_scan_start(struct Scsi_Host *shost)
1727 {
1728 scsi_qla_host_t *vha = shost_priv(shost);
1729
1730 if (vha->hw->flags.running_gold_fw)
1731 return;
1732
1733 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1734 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1735 set_bit(RSCN_UPDATE, &vha->dpc_flags);
1736 set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
1737 }
1738
1739 static int
1740 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1741 {
1742 scsi_qla_host_t *vha = shost_priv(shost);
1743
1744 if (!vha->host)
1745 return 1;
1746 if (time > vha->hw->loop_reset_delay * HZ)
1747 return 1;
1748
1749 return atomic_read(&vha->loop_state) == LOOP_READY;
1750 }
1751
1752 /*
1753 * PCI driver interface
1754 */
1755 static int __devinit
1756 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1757 {
1758 int ret = -ENODEV;
1759 struct Scsi_Host *host;
1760 scsi_qla_host_t *base_vha = NULL;
1761 struct qla_hw_data *ha;
1762 char pci_info[30];
1763 char fw_str[30];
1764 struct scsi_host_template *sht;
1765 int bars, max_id, mem_only = 0;
1766 uint16_t req_length = 0, rsp_length = 0;
1767 struct req_que *req = NULL;
1768 struct rsp_que *rsp = NULL;
1769
1770 bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
1771 sht = &qla2xxx_driver_template;
1772 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
1773 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
1774 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
1775 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
1776 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
1777 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
1778 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001) {
1779 bars = pci_select_bars(pdev, IORESOURCE_MEM);
1780 mem_only = 1;
1781 }
1782
1783 if (mem_only) {
1784 if (pci_enable_device_mem(pdev))
1785 goto probe_out;
1786 } else {
1787 if (pci_enable_device(pdev))
1788 goto probe_out;
1789 }
1790
1791 /* This may fail but that's ok */
1792 pci_enable_pcie_error_reporting(pdev);
1793
1794 ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
1795 if (!ha) {
1796 DEBUG(printk("Unable to allocate memory for ha\n"));
1797 goto probe_out;
1798 }
1799 ha->pdev = pdev;
1800
1801 /* Clear our data area */
1802 ha->bars = bars;
1803 ha->mem_only = mem_only;
1804 spin_lock_init(&ha->hardware_lock);
1805
1806 /* Set ISP-type information. */
1807 qla2x00_set_isp_flags(ha);
1808
1809 /* Set EEH reset type to fundamental if required by hba */
1810 if ( IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha)) {
1811 pdev->needs_freset = 1;
1812 }
1813
1814 /* Configure PCI I/O space */
1815 ret = qla2x00_iospace_config(ha);
1816 if (ret)
1817 goto probe_hw_failed;
1818
1819 qla_printk(KERN_INFO, ha,
1820 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1821 ha->iobase);
1822
1823 ha->prev_topology = 0;
1824 ha->init_cb_size = sizeof(init_cb_t);
1825 ha->link_data_rate = PORT_SPEED_UNKNOWN;
1826 ha->optrom_size = OPTROM_SIZE_2300;
1827
1828 /* Assign ISP specific operations. */
1829 max_id = MAX_TARGETS_2200;
1830 if (IS_QLA2100(ha)) {
1831 max_id = MAX_TARGETS_2100;
1832 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
1833 req_length = REQUEST_ENTRY_CNT_2100;
1834 rsp_length = RESPONSE_ENTRY_CNT_2100;
1835 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
1836 ha->gid_list_info_size = 4;
1837 ha->flash_conf_off = ~0;
1838 ha->flash_data_off = ~0;
1839 ha->nvram_conf_off = ~0;
1840 ha->nvram_data_off = ~0;
1841 ha->isp_ops = &qla2100_isp_ops;
1842 } else if (IS_QLA2200(ha)) {
1843 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1844 req_length = REQUEST_ENTRY_CNT_2200;
1845 rsp_length = RESPONSE_ENTRY_CNT_2100;
1846 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
1847 ha->gid_list_info_size = 4;
1848 ha->flash_conf_off = ~0;
1849 ha->flash_data_off = ~0;
1850 ha->nvram_conf_off = ~0;
1851 ha->nvram_data_off = ~0;
1852 ha->isp_ops = &qla2100_isp_ops;
1853 } else if (IS_QLA23XX(ha)) {
1854 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1855 req_length = REQUEST_ENTRY_CNT_2200;
1856 rsp_length = RESPONSE_ENTRY_CNT_2300;
1857 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1858 ha->gid_list_info_size = 6;
1859 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1860 ha->optrom_size = OPTROM_SIZE_2322;
1861 ha->flash_conf_off = ~0;
1862 ha->flash_data_off = ~0;
1863 ha->nvram_conf_off = ~0;
1864 ha->nvram_data_off = ~0;
1865 ha->isp_ops = &qla2300_isp_ops;
1866 } else if (IS_QLA24XX_TYPE(ha)) {
1867 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1868 req_length = REQUEST_ENTRY_CNT_24XX;
1869 rsp_length = RESPONSE_ENTRY_CNT_2300;
1870 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1871 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1872 ha->gid_list_info_size = 8;
1873 ha->optrom_size = OPTROM_SIZE_24XX;
1874 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
1875 ha->isp_ops = &qla24xx_isp_ops;
1876 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
1877 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
1878 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
1879 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
1880 } else if (IS_QLA25XX(ha)) {
1881 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1882 req_length = REQUEST_ENTRY_CNT_24XX;
1883 rsp_length = RESPONSE_ENTRY_CNT_2300;
1884 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1885 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1886 ha->gid_list_info_size = 8;
1887 ha->optrom_size = OPTROM_SIZE_25XX;
1888 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
1889 ha->isp_ops = &qla25xx_isp_ops;
1890 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
1891 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
1892 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
1893 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
1894 } else if (IS_QLA81XX(ha)) {
1895 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1896 req_length = REQUEST_ENTRY_CNT_24XX;
1897 rsp_length = RESPONSE_ENTRY_CNT_2300;
1898 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1899 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
1900 ha->gid_list_info_size = 8;
1901 ha->optrom_size = OPTROM_SIZE_81XX;
1902 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
1903 ha->isp_ops = &qla81xx_isp_ops;
1904 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
1905 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
1906 ha->nvram_conf_off = ~0;
1907 ha->nvram_data_off = ~0;
1908 }
1909
1910 mutex_init(&ha->vport_lock);
1911 init_completion(&ha->mbx_cmd_comp);
1912 complete(&ha->mbx_cmd_comp);
1913 init_completion(&ha->mbx_intr_comp);
1914
1915 set_bit(0, (unsigned long *) ha->vp_idx_map);
1916
1917 qla2x00_config_dma_addressing(ha);
1918 ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
1919 if (!ret) {
1920 qla_printk(KERN_WARNING, ha,
1921 "[ERROR] Failed to allocate memory for adapter\n");
1922
1923 goto probe_hw_failed;
1924 }
1925
1926 req->max_q_depth = MAX_Q_DEPTH;
1927 if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
1928 req->max_q_depth = ql2xmaxqdepth;
1929
1930
1931 base_vha = qla2x00_create_host(sht, ha);
1932 if (!base_vha) {
1933 qla_printk(KERN_WARNING, ha,
1934 "[ERROR] Failed to allocate memory for scsi_host\n");
1935
1936 ret = -ENOMEM;
1937 qla2x00_mem_free(ha);
1938 qla2x00_free_req_que(ha, req);
1939 qla2x00_free_rsp_que(ha, rsp);
1940 goto probe_hw_failed;
1941 }
1942
1943 pci_set_drvdata(pdev, base_vha);
1944
1945 host = base_vha->host;
1946 base_vha->req = req;
1947 host->can_queue = req->length + 128;
1948 if (IS_QLA2XXX_MIDTYPE(ha))
1949 base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
1950 else
1951 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
1952 base_vha->vp_idx;
1953 if (IS_QLA2100(ha))
1954 host->sg_tablesize = 32;
1955 host->max_id = max_id;
1956 host->this_id = 255;
1957 host->cmd_per_lun = 3;
1958 host->unique_id = host->host_no;
1959 host->max_cmd_len = MAX_CMDSZ;
1960 host->max_channel = MAX_BUSES - 1;
1961 host->max_lun = MAX_LUNS;
1962 host->transportt = qla2xxx_transport_template;
1963 sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
1964
1965 /* Set up the irqs */
1966 ret = qla2x00_request_irqs(ha, rsp);
1967 if (ret)
1968 goto probe_init_failed;
1969
1970 pci_save_state(pdev);
1971
1972 /* Alloc arrays of request and response ring ptrs */
1973 que_init:
1974 if (!qla2x00_alloc_queues(ha)) {
1975 qla_printk(KERN_WARNING, ha,
1976 "[ERROR] Failed to allocate memory for queue"
1977 " pointers\n");
1978 goto probe_init_failed;
1979 }
1980 ha->rsp_q_map[0] = rsp;
1981 ha->req_q_map[0] = req;
1982 rsp->req = req;
1983 req->rsp = rsp;
1984 set_bit(0, ha->req_qid_map);
1985 set_bit(0, ha->rsp_qid_map);
1986 /* FWI2-capable only. */
1987 req->req_q_in = &ha->iobase->isp24.req_q_in;
1988 req->req_q_out = &ha->iobase->isp24.req_q_out;
1989 rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
1990 rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
1991 if (ha->mqenable) {
1992 req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
1993 req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
1994 rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
1995 rsp->rsp_q_out = &ha->mqiobase->isp25mq.rsp_q_out;
1996 }
1997
1998 if (qla2x00_initialize_adapter(base_vha)) {
1999 qla_printk(KERN_WARNING, ha,
2000 "Failed to initialize adapter\n");
2001
2002 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
2003 "Adapter flags %x.\n",
2004 base_vha->host_no, base_vha->device_flags));
2005
2006 ret = -ENODEV;
2007 goto probe_failed;
2008 }
2009
2010 if (ha->mqenable) {
2011 if (qla25xx_setup_mode(base_vha)) {
2012 qla_printk(KERN_WARNING, ha,
2013 "Can't create queues, falling back to single"
2014 " queue mode\n");
2015 goto que_init;
2016 }
2017 }
2018
2019 if (ha->flags.running_gold_fw)
2020 goto skip_dpc;
2021
2022 /*
2023 * Startup the kernel thread for this host adapter
2024 */
2025 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
2026 "%s_dpc", base_vha->host_str);
2027 if (IS_ERR(ha->dpc_thread)) {
2028 qla_printk(KERN_WARNING, ha,
2029 "Unable to start DPC thread!\n");
2030 ret = PTR_ERR(ha->dpc_thread);
2031 goto probe_failed;
2032 }
2033
2034 skip_dpc:
2035 list_add_tail(&base_vha->list, &ha->vp_list);
2036 base_vha->host->irq = ha->pdev->irq;
2037
2038 /* Initialized the timer */
2039 qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
2040
2041 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
2042 base_vha->host_no, ha));
2043
2044 ret = scsi_add_host(host, &pdev->dev);
2045 if (ret)
2046 goto probe_failed;
2047
2048 base_vha->flags.init_done = 1;
2049 base_vha->flags.online = 1;
2050
2051 ha->isp_ops->enable_intrs(ha);
2052
2053 scsi_scan_host(host);
2054
2055 qla2x00_alloc_sysfs_attr(base_vha);
2056
2057 qla2x00_init_host_attr(base_vha);
2058
2059 qla2x00_dfs_setup(base_vha);
2060
2061 qla_printk(KERN_INFO, ha, "\n"
2062 " QLogic Fibre Channel HBA Driver: %s\n"
2063 " QLogic %s - %s\n"
2064 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
2065 qla2x00_version_str, ha->model_number,
2066 ha->model_desc ? ha->model_desc : "", pdev->device,
2067 ha->isp_ops->pci_info_str(base_vha, pci_info), pci_name(pdev),
2068 ha->flags.enable_64bit_addressing ? '+' : '-', base_vha->host_no,
2069 ha->isp_ops->fw_version_str(base_vha, fw_str));
2070
2071 return 0;
2072
2073 probe_init_failed:
2074 qla2x00_free_req_que(ha, req);
2075 qla2x00_free_rsp_que(ha, rsp);
2076 ha->max_req_queues = ha->max_rsp_queues = 0;
2077
2078 probe_failed:
2079 if (base_vha->timer_active)
2080 qla2x00_stop_timer(base_vha);
2081 base_vha->flags.online = 0;
2082 if (ha->dpc_thread) {
2083 struct task_struct *t = ha->dpc_thread;
2084
2085 ha->dpc_thread = NULL;
2086 kthread_stop(t);
2087 }
2088
2089 qla2x00_free_device(base_vha);
2090
2091 scsi_host_put(base_vha->host);
2092
2093 probe_hw_failed:
2094 if (ha->iobase)
2095 iounmap(ha->iobase);
2096
2097 pci_release_selected_regions(ha->pdev, ha->bars);
2098 kfree(ha);
2099 ha = NULL;
2100
2101 probe_out:
2102 pci_disable_device(pdev);
2103 return ret;
2104 }
2105
2106 static void
2107 qla2x00_remove_one(struct pci_dev *pdev)
2108 {
2109 scsi_qla_host_t *base_vha, *vha, *temp;
2110 struct qla_hw_data *ha;
2111
2112 base_vha = pci_get_drvdata(pdev);
2113 ha = base_vha->hw;
2114
2115 list_for_each_entry_safe(vha, temp, &ha->vp_list, list) {
2116 if (vha && vha->fc_vport)
2117 fc_vport_terminate(vha->fc_vport);
2118 }
2119
2120 set_bit(UNLOADING, &base_vha->dpc_flags);
2121
2122 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
2123
2124 qla2x00_dfs_remove(base_vha);
2125
2126 qla84xx_put_chip(base_vha);
2127
2128 /* Disable timer */
2129 if (base_vha->timer_active)
2130 qla2x00_stop_timer(base_vha);
2131
2132 base_vha->flags.online = 0;
2133
2134 /* Flush the work queue and remove it */
2135 if (ha->wq) {
2136 flush_workqueue(ha->wq);
2137 destroy_workqueue(ha->wq);
2138 ha->wq = NULL;
2139 }
2140
2141 /* Kill the kernel thread for this host */
2142 if (ha->dpc_thread) {
2143 struct task_struct *t = ha->dpc_thread;
2144
2145 /*
2146 * qla2xxx_wake_dpc checks for ->dpc_thread
2147 * so we need to zero it out.
2148 */
2149 ha->dpc_thread = NULL;
2150 kthread_stop(t);
2151 }
2152
2153 qla2x00_free_sysfs_attr(base_vha);
2154
2155 fc_remove_host(base_vha->host);
2156
2157 scsi_remove_host(base_vha->host);
2158
2159 qla2x00_free_device(base_vha);
2160
2161 scsi_host_put(base_vha->host);
2162
2163 if (ha->iobase)
2164 iounmap(ha->iobase);
2165
2166 if (ha->mqiobase)
2167 iounmap(ha->mqiobase);
2168
2169 pci_release_selected_regions(ha->pdev, ha->bars);
2170 kfree(ha);
2171 ha = NULL;
2172
2173 pci_disable_pcie_error_reporting(pdev);
2174
2175 pci_disable_device(pdev);
2176 pci_set_drvdata(pdev, NULL);
2177 }
2178
2179 static void
2180 qla2x00_free_device(scsi_qla_host_t *vha)
2181 {
2182 struct qla_hw_data *ha = vha->hw;
2183
2184 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
2185
2186 /* Disable timer */
2187 if (vha->timer_active)
2188 qla2x00_stop_timer(vha);
2189
2190 /* Kill the kernel thread for this host */
2191 if (ha->dpc_thread) {
2192 struct task_struct *t = ha->dpc_thread;
2193
2194 /*
2195 * qla2xxx_wake_dpc checks for ->dpc_thread
2196 * so we need to zero it out.
2197 */
2198 ha->dpc_thread = NULL;
2199 kthread_stop(t);
2200 }
2201
2202 qla25xx_delete_queues(vha);
2203
2204 if (ha->flags.fce_enabled)
2205 qla2x00_disable_fce_trace(vha, NULL, NULL);
2206
2207 if (ha->eft)
2208 qla2x00_disable_eft_trace(vha);
2209
2210 /* Stop currently executing firmware. */
2211 qla2x00_try_to_stop_firmware(vha);
2212
2213 vha->flags.online = 0;
2214
2215 /* turn-off interrupts on the card */
2216 if (ha->interrupts_on)
2217 ha->isp_ops->disable_intrs(ha);
2218
2219 qla2x00_free_irqs(vha);
2220
2221 qla2x00_mem_free(ha);
2222
2223 qla2x00_free_queues(ha);
2224 }
2225
2226 static inline void
2227 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
2228 int defer)
2229 {
2230 struct fc_rport *rport;
2231 scsi_qla_host_t *base_vha;
2232
2233 if (!fcport->rport)
2234 return;
2235
2236 rport = fcport->rport;
2237 if (defer) {
2238 base_vha = pci_get_drvdata(vha->hw->pdev);
2239 spin_lock_irq(vha->host->host_lock);
2240 fcport->drport = rport;
2241 spin_unlock_irq(vha->host->host_lock);
2242 set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
2243 qla2xxx_wake_dpc(base_vha);
2244 } else
2245 fc_remote_port_delete(rport);
2246 }
2247
2248 /*
2249 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
2250 *
2251 * Input: ha = adapter block pointer. fcport = port structure pointer.
2252 *
2253 * Return: None.
2254 *
2255 * Context:
2256 */
2257 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
2258 int do_login, int defer)
2259 {
2260 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2261 vha->vp_idx == fcport->vp_idx) {
2262 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2263 qla2x00_schedule_rport_del(vha, fcport, defer);
2264 }
2265 /*
2266 * We may need to retry the login, so don't change the state of the
2267 * port but do the retries.
2268 */
2269 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
2270 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2271
2272 if (!do_login)
2273 return;
2274
2275 if (fcport->login_retry == 0) {
2276 fcport->login_retry = vha->hw->login_retry_count;
2277 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2278
2279 DEBUG(printk("scsi(%ld): Port login retry: "
2280 "%02x%02x%02x%02x%02x%02x%02x%02x, "
2281 "id = 0x%04x retry cnt=%d\n",
2282 vha->host_no,
2283 fcport->port_name[0],
2284 fcport->port_name[1],
2285 fcport->port_name[2],
2286 fcport->port_name[3],
2287 fcport->port_name[4],
2288 fcport->port_name[5],
2289 fcport->port_name[6],
2290 fcport->port_name[7],
2291 fcport->loop_id,
2292 fcport->login_retry));
2293 }
2294 }
2295
2296 /*
2297 * qla2x00_mark_all_devices_lost
2298 * Updates fcport state when device goes offline.
2299 *
2300 * Input:
2301 * ha = adapter block pointer.
2302 * fcport = port structure pointer.
2303 *
2304 * Return:
2305 * None.
2306 *
2307 * Context:
2308 */
2309 void
2310 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
2311 {
2312 fc_port_t *fcport;
2313
2314 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2315 if (vha->vp_idx != 0 && vha->vp_idx != fcport->vp_idx)
2316 continue;
2317
2318 /*
2319 * No point in marking the device as lost, if the device is
2320 * already DEAD.
2321 */
2322 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
2323 continue;
2324 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2325 if (defer)
2326 qla2x00_schedule_rport_del(vha, fcport, defer);
2327 else if (vha->vp_idx == fcport->vp_idx)
2328 qla2x00_schedule_rport_del(vha, fcport, defer);
2329 }
2330 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2331 }
2332 }
2333
2334 /*
2335 * qla2x00_mem_alloc
2336 * Allocates adapter memory.
2337 *
2338 * Returns:
2339 * 0 = success.
2340 * !0 = failure.
2341 */
2342 static int
2343 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
2344 struct req_que **req, struct rsp_que **rsp)
2345 {
2346 char name[16];
2347
2348 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
2349 &ha->init_cb_dma, GFP_KERNEL);
2350 if (!ha->init_cb)
2351 goto fail;
2352
2353 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2354 &ha->gid_list_dma, GFP_KERNEL);
2355 if (!ha->gid_list)
2356 goto fail_free_init_cb;
2357
2358 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2359 if (!ha->srb_mempool)
2360 goto fail_free_gid_list;
2361
2362 /* Get memory for cached NVRAM */
2363 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2364 if (!ha->nvram)
2365 goto fail_free_srb_mempool;
2366
2367 snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
2368 ha->pdev->device);
2369 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2370 DMA_POOL_SIZE, 8, 0);
2371 if (!ha->s_dma_pool)
2372 goto fail_free_nvram;
2373
2374 /* Allocate memory for SNS commands */
2375 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2376 /* Get consistent memory allocated for SNS commands */
2377 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
2378 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
2379 if (!ha->sns_cmd)
2380 goto fail_dma_pool;
2381 } else {
2382 /* Get consistent memory allocated for MS IOCB */
2383 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2384 &ha->ms_iocb_dma);
2385 if (!ha->ms_iocb)
2386 goto fail_dma_pool;
2387 /* Get consistent memory allocated for CT SNS commands */
2388 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
2389 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
2390 if (!ha->ct_sns)
2391 goto fail_free_ms_iocb;
2392 }
2393
2394 /* Allocate memory for request ring */
2395 *req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
2396 if (!*req) {
2397 DEBUG(printk("Unable to allocate memory for req\n"));
2398 goto fail_req;
2399 }
2400 (*req)->length = req_len;
2401 (*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
2402 ((*req)->length + 1) * sizeof(request_t),
2403 &(*req)->dma, GFP_KERNEL);
2404 if (!(*req)->ring) {
2405 DEBUG(printk("Unable to allocate memory for req_ring\n"));
2406 goto fail_req_ring;
2407 }
2408 /* Allocate memory for response ring */
2409 *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
2410 if (!*rsp) {
2411 qla_printk(KERN_WARNING, ha,
2412 "Unable to allocate memory for rsp\n");
2413 goto fail_rsp;
2414 }
2415 (*rsp)->hw = ha;
2416 (*rsp)->length = rsp_len;
2417 (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
2418 ((*rsp)->length + 1) * sizeof(response_t),
2419 &(*rsp)->dma, GFP_KERNEL);
2420 if (!(*rsp)->ring) {
2421 qla_printk(KERN_WARNING, ha,
2422 "Unable to allocate memory for rsp_ring\n");
2423 goto fail_rsp_ring;
2424 }
2425 (*req)->rsp = *rsp;
2426 (*rsp)->req = *req;
2427 /* Allocate memory for NVRAM data for vports */
2428 if (ha->nvram_npiv_size) {
2429 ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
2430 ha->nvram_npiv_size, GFP_KERNEL);
2431 if (!ha->npiv_info) {
2432 qla_printk(KERN_WARNING, ha,
2433 "Unable to allocate memory for npiv info\n");
2434 goto fail_npiv_info;
2435 }
2436 } else
2437 ha->npiv_info = NULL;
2438
2439 /* Get consistent memory allocated for EX-INIT-CB. */
2440 if (IS_QLA81XX(ha)) {
2441 ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2442 &ha->ex_init_cb_dma);
2443 if (!ha->ex_init_cb)
2444 goto fail_ex_init_cb;
2445 }
2446
2447 INIT_LIST_HEAD(&ha->vp_list);
2448 return 1;
2449
2450 fail_ex_init_cb:
2451 kfree(ha->npiv_info);
2452 fail_npiv_info:
2453 dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
2454 sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
2455 (*rsp)->ring = NULL;
2456 (*rsp)->dma = 0;
2457 fail_rsp_ring:
2458 kfree(*rsp);
2459 fail_rsp:
2460 dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
2461 sizeof(request_t), (*req)->ring, (*req)->dma);
2462 (*req)->ring = NULL;
2463 (*req)->dma = 0;
2464 fail_req_ring:
2465 kfree(*req);
2466 fail_req:
2467 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2468 ha->ct_sns, ha->ct_sns_dma);
2469 ha->ct_sns = NULL;
2470 ha->ct_sns_dma = 0;
2471 fail_free_ms_iocb:
2472 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2473 ha->ms_iocb = NULL;
2474 ha->ms_iocb_dma = 0;
2475 fail_dma_pool:
2476 dma_pool_destroy(ha->s_dma_pool);
2477 ha->s_dma_pool = NULL;
2478 fail_free_nvram:
2479 kfree(ha->nvram);
2480 ha->nvram = NULL;
2481 fail_free_srb_mempool:
2482 mempool_destroy(ha->srb_mempool);
2483 ha->srb_mempool = NULL;
2484 fail_free_gid_list:
2485 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2486 ha->gid_list_dma);
2487 ha->gid_list = NULL;
2488 ha->gid_list_dma = 0;
2489 fail_free_init_cb:
2490 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
2491 ha->init_cb_dma);
2492 ha->init_cb = NULL;
2493 ha->init_cb_dma = 0;
2494 fail:
2495 DEBUG(printk("%s: Memory allocation failure\n", __func__));
2496 return -ENOMEM;
2497 }
2498
2499 /*
2500 * qla2x00_mem_free
2501 * Frees all adapter allocated memory.
2502 *
2503 * Input:
2504 * ha = adapter block pointer.
2505 */
2506 static void
2507 qla2x00_mem_free(struct qla_hw_data *ha)
2508 {
2509 if (ha->srb_mempool)
2510 mempool_destroy(ha->srb_mempool);
2511
2512 if (ha->fce)
2513 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
2514 ha->fce_dma);
2515
2516 if (ha->fw_dump) {
2517 if (ha->eft)
2518 dma_free_coherent(&ha->pdev->dev,
2519 ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
2520 vfree(ha->fw_dump);
2521 }
2522
2523 if (ha->dcbx_tlv)
2524 dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
2525 ha->dcbx_tlv, ha->dcbx_tlv_dma);
2526
2527 if (ha->xgmac_data)
2528 dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
2529 ha->xgmac_data, ha->xgmac_data_dma);
2530
2531 if (ha->sns_cmd)
2532 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2533 ha->sns_cmd, ha->sns_cmd_dma);
2534
2535 if (ha->ct_sns)
2536 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2537 ha->ct_sns, ha->ct_sns_dma);
2538
2539 if (ha->sfp_data)
2540 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2541
2542 if (ha->edc_data)
2543 dma_pool_free(ha->s_dma_pool, ha->edc_data, ha->edc_data_dma);
2544
2545 if (ha->ms_iocb)
2546 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2547
2548 if (ha->ex_init_cb)
2549 dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
2550
2551 if (ha->s_dma_pool)
2552 dma_pool_destroy(ha->s_dma_pool);
2553
2554 if (ha->gid_list)
2555 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2556 ha->gid_list_dma);
2557
2558 if (ha->init_cb)
2559 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2560 ha->init_cb, ha->init_cb_dma);
2561 vfree(ha->optrom_buffer);
2562 kfree(ha->nvram);
2563 kfree(ha->npiv_info);
2564
2565 ha->srb_mempool = NULL;
2566 ha->eft = NULL;
2567 ha->eft_dma = 0;
2568 ha->sns_cmd = NULL;
2569 ha->sns_cmd_dma = 0;
2570 ha->ct_sns = NULL;
2571 ha->ct_sns_dma = 0;
2572 ha->ms_iocb = NULL;
2573 ha->ms_iocb_dma = 0;
2574 ha->init_cb = NULL;
2575 ha->init_cb_dma = 0;
2576 ha->ex_init_cb = NULL;
2577 ha->ex_init_cb_dma = 0;
2578
2579 ha->s_dma_pool = NULL;
2580
2581 ha->gid_list = NULL;
2582 ha->gid_list_dma = 0;
2583
2584 ha->fw_dump = NULL;
2585 ha->fw_dumped = 0;
2586 ha->fw_dump_reading = 0;
2587 }
2588
2589 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
2590 struct qla_hw_data *ha)
2591 {
2592 struct Scsi_Host *host;
2593 struct scsi_qla_host *vha = NULL;
2594
2595 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
2596 if (host == NULL) {
2597 printk(KERN_WARNING
2598 "qla2xxx: Couldn't allocate host from scsi layer!\n");
2599 goto fail;
2600 }
2601
2602 /* Clear our data area */
2603 vha = shost_priv(host);
2604 memset(vha, 0, sizeof(scsi_qla_host_t));
2605
2606 vha->host = host;
2607 vha->host_no = host->host_no;
2608 vha->hw = ha;
2609
2610 INIT_LIST_HEAD(&vha->vp_fcports);
2611 INIT_LIST_HEAD(&vha->work_list);
2612 INIT_LIST_HEAD(&vha->list);
2613
2614 spin_lock_init(&vha->work_lock);
2615
2616 sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
2617 return vha;
2618
2619 fail:
2620 return vha;
2621 }
2622
2623 static struct qla_work_evt *
2624 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
2625 {
2626 struct qla_work_evt *e;
2627
2628 e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
2629 if (!e)
2630 return NULL;
2631
2632 INIT_LIST_HEAD(&e->list);
2633 e->type = type;
2634 e->flags = QLA_EVT_FLAG_FREE;
2635 return e;
2636 }
2637
2638 static int
2639 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
2640 {
2641 unsigned long flags;
2642
2643 spin_lock_irqsave(&vha->work_lock, flags);
2644 list_add_tail(&e->list, &vha->work_list);
2645 spin_unlock_irqrestore(&vha->work_lock, flags);
2646 qla2xxx_wake_dpc(vha);
2647
2648 return QLA_SUCCESS;
2649 }
2650
2651 int
2652 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
2653 u32 data)
2654 {
2655 struct qla_work_evt *e;
2656
2657 e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
2658 if (!e)
2659 return QLA_FUNCTION_FAILED;
2660
2661 e->u.aen.code = code;
2662 e->u.aen.data = data;
2663 return qla2x00_post_work(vha, e);
2664 }
2665
2666 int
2667 qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
2668 {
2669 struct qla_work_evt *e;
2670
2671 e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
2672 if (!e)
2673 return QLA_FUNCTION_FAILED;
2674
2675 memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
2676 return qla2x00_post_work(vha, e);
2677 }
2678
2679 #define qla2x00_post_async_work(name, type) \
2680 int qla2x00_post_async_##name##_work( \
2681 struct scsi_qla_host *vha, \
2682 fc_port_t *fcport, uint16_t *data) \
2683 { \
2684 struct qla_work_evt *e; \
2685 \
2686 e = qla2x00_alloc_work(vha, type); \
2687 if (!e) \
2688 return QLA_FUNCTION_FAILED; \
2689 \
2690 e->u.logio.fcport = fcport; \
2691 if (data) { \
2692 e->u.logio.data[0] = data[0]; \
2693 e->u.logio.data[1] = data[1]; \
2694 } \
2695 return qla2x00_post_work(vha, e); \
2696 }
2697
2698 qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
2699 qla2x00_post_async_work(login_done, QLA_EVT_ASYNC_LOGIN_DONE);
2700 qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
2701 qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE);
2702
2703 int
2704 qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
2705 {
2706 struct qla_work_evt *e;
2707
2708 e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
2709 if (!e)
2710 return QLA_FUNCTION_FAILED;
2711
2712 e->u.uevent.code = code;
2713 return qla2x00_post_work(vha, e);
2714 }
2715
2716 static void
2717 qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
2718 {
2719 char event_string[40];
2720 char *envp[] = { event_string, NULL };
2721
2722 switch (code) {
2723 case QLA_UEVENT_CODE_FW_DUMP:
2724 snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld",
2725 vha->host_no);
2726 break;
2727 default:
2728 /* do nothing */
2729 break;
2730 }
2731 kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
2732 }
2733
2734 void
2735 qla2x00_do_work(struct scsi_qla_host *vha)
2736 {
2737 struct qla_work_evt *e, *tmp;
2738 unsigned long flags;
2739 LIST_HEAD(work);
2740
2741 spin_lock_irqsave(&vha->work_lock, flags);
2742 list_splice_init(&vha->work_list, &work);
2743 spin_unlock_irqrestore(&vha->work_lock, flags);
2744
2745 list_for_each_entry_safe(e, tmp, &work, list) {
2746 list_del_init(&e->list);
2747
2748 switch (e->type) {
2749 case QLA_EVT_AEN:
2750 fc_host_post_event(vha->host, fc_get_event_number(),
2751 e->u.aen.code, e->u.aen.data);
2752 break;
2753 case QLA_EVT_IDC_ACK:
2754 qla81xx_idc_ack(vha, e->u.idc_ack.mb);
2755 break;
2756 case QLA_EVT_ASYNC_LOGIN:
2757 qla2x00_async_login(vha, e->u.logio.fcport,
2758 e->u.logio.data);
2759 break;
2760 case QLA_EVT_ASYNC_LOGIN_DONE:
2761 qla2x00_async_login_done(vha, e->u.logio.fcport,
2762 e->u.logio.data);
2763 break;
2764 case QLA_EVT_ASYNC_LOGOUT:
2765 qla2x00_async_logout(vha, e->u.logio.fcport);
2766 break;
2767 case QLA_EVT_ASYNC_LOGOUT_DONE:
2768 qla2x00_async_logout_done(vha, e->u.logio.fcport,
2769 e->u.logio.data);
2770 break;
2771 case QLA_EVT_UEVENT:
2772 qla2x00_uevent_emit(vha, e->u.uevent.code);
2773 break;
2774 }
2775 if (e->flags & QLA_EVT_FLAG_FREE)
2776 kfree(e);
2777 }
2778 }
2779
2780 /* Relogins all the fcports of a vport
2781 * Context: dpc thread
2782 */
2783 void qla2x00_relogin(struct scsi_qla_host *vha)
2784 {
2785 fc_port_t *fcport;
2786 int status;
2787 uint16_t next_loopid = 0;
2788 struct qla_hw_data *ha = vha->hw;
2789 uint16_t data[2];
2790
2791 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2792 /*
2793 * If the port is not ONLINE then try to login
2794 * to it if we haven't run out of retries.
2795 */
2796 if (atomic_read(&fcport->state) !=
2797 FCS_ONLINE && fcport->login_retry) {
2798
2799 fcport->login_retry--;
2800 if (fcport->flags & FCF_FABRIC_DEVICE) {
2801 if (fcport->flags & FCF_FCP2_DEVICE)
2802 ha->isp_ops->fabric_logout(vha,
2803 fcport->loop_id,
2804 fcport->d_id.b.domain,
2805 fcport->d_id.b.area,
2806 fcport->d_id.b.al_pa);
2807
2808 if (IS_ALOGIO_CAPABLE(ha)) {
2809 data[0] = 0;
2810 data[1] = QLA_LOGIO_LOGIN_RETRIED;
2811 status = qla2x00_post_async_login_work(
2812 vha, fcport, data);
2813 if (status == QLA_SUCCESS)
2814 continue;
2815 /* Attempt a retry. */
2816 status = 1;
2817 } else
2818 status = qla2x00_fabric_login(vha,
2819 fcport, &next_loopid);
2820 } else
2821 status = qla2x00_local_device_login(vha,
2822 fcport);
2823
2824 if (status == QLA_SUCCESS) {
2825 fcport->old_loop_id = fcport->loop_id;
2826
2827 DEBUG(printk("scsi(%ld): port login OK: logged "
2828 "in ID 0x%x\n", vha->host_no, fcport->loop_id));
2829
2830 qla2x00_update_fcport(vha, fcport);
2831
2832 } else if (status == 1) {
2833 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2834 /* retry the login again */
2835 DEBUG(printk("scsi(%ld): Retrying"
2836 " %d login again loop_id 0x%x\n",
2837 vha->host_no, fcport->login_retry,
2838 fcport->loop_id));
2839 } else {
2840 fcport->login_retry = 0;
2841 }
2842
2843 if (fcport->login_retry == 0 && status != QLA_SUCCESS)
2844 fcport->loop_id = FC_NO_LOOP_ID;
2845 }
2846 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2847 break;
2848 }
2849 }
2850
2851 /**************************************************************************
2852 * qla2x00_do_dpc
2853 * This kernel thread is a task that is schedule by the interrupt handler
2854 * to perform the background processing for interrupts.
2855 *
2856 * Notes:
2857 * This task always run in the context of a kernel thread. It
2858 * is kick-off by the driver's detect code and starts up
2859 * up one per adapter. It immediately goes to sleep and waits for
2860 * some fibre event. When either the interrupt handler or
2861 * the timer routine detects a event it will one of the task
2862 * bits then wake us up.
2863 **************************************************************************/
2864 static int
2865 qla2x00_do_dpc(void *data)
2866 {
2867 int rval;
2868 scsi_qla_host_t *base_vha;
2869 struct qla_hw_data *ha;
2870
2871 ha = (struct qla_hw_data *)data;
2872 base_vha = pci_get_drvdata(ha->pdev);
2873
2874 set_user_nice(current, -20);
2875
2876 while (!kthread_should_stop()) {
2877 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2878
2879 set_current_state(TASK_INTERRUPTIBLE);
2880 schedule();
2881 __set_current_state(TASK_RUNNING);
2882
2883 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2884
2885 /* Initialization not yet finished. Don't do anything yet. */
2886 if (!base_vha->flags.init_done)
2887 continue;
2888
2889 if (ha->flags.eeh_busy) {
2890 DEBUG17(qla_printk(KERN_WARNING, ha,
2891 "qla2x00_do_dpc: dpc_flags: %lx\n",
2892 base_vha->dpc_flags));
2893 continue;
2894 }
2895
2896 DEBUG3(printk("scsi(%ld): DPC handler\n", base_vha->host_no));
2897
2898 ha->dpc_active = 1;
2899
2900 if (ha->flags.mbox_busy) {
2901 ha->dpc_active = 0;
2902 continue;
2903 }
2904
2905 qla2x00_do_work(base_vha);
2906
2907 if (test_and_clear_bit(ISP_ABORT_NEEDED,
2908 &base_vha->dpc_flags)) {
2909
2910 DEBUG(printk("scsi(%ld): dpc: sched "
2911 "qla2x00_abort_isp ha = %p\n",
2912 base_vha->host_no, ha));
2913 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
2914 &base_vha->dpc_flags))) {
2915
2916 if (qla2x00_abort_isp(base_vha)) {
2917 /* failed. retry later */
2918 set_bit(ISP_ABORT_NEEDED,
2919 &base_vha->dpc_flags);
2920 }
2921 clear_bit(ABORT_ISP_ACTIVE,
2922 &base_vha->dpc_flags);
2923 }
2924
2925 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
2926 base_vha->host_no));
2927 }
2928
2929 if (test_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags)) {
2930 qla2x00_update_fcports(base_vha);
2931 clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
2932 }
2933
2934 if (test_and_clear_bit(RESET_MARKER_NEEDED,
2935 &base_vha->dpc_flags) &&
2936 (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
2937
2938 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
2939 base_vha->host_no));
2940
2941 qla2x00_rst_aen(base_vha);
2942 clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
2943 }
2944
2945 /* Retry each device up to login retry count */
2946 if ((test_and_clear_bit(RELOGIN_NEEDED,
2947 &base_vha->dpc_flags)) &&
2948 !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
2949 atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
2950
2951 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
2952 base_vha->host_no));
2953 qla2x00_relogin(base_vha);
2954
2955 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
2956 base_vha->host_no));
2957 }
2958
2959 if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
2960 &base_vha->dpc_flags)) {
2961
2962 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
2963 base_vha->host_no));
2964
2965 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
2966 &base_vha->dpc_flags))) {
2967
2968 rval = qla2x00_loop_resync(base_vha);
2969
2970 clear_bit(LOOP_RESYNC_ACTIVE,
2971 &base_vha->dpc_flags);
2972 }
2973
2974 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
2975 base_vha->host_no));
2976 }
2977
2978 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
2979 atomic_read(&base_vha->loop_state) == LOOP_READY) {
2980 clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
2981 qla2xxx_flash_npiv_conf(base_vha);
2982 }
2983
2984 if (!ha->interrupts_on)
2985 ha->isp_ops->enable_intrs(ha);
2986
2987 if (test_and_clear_bit(BEACON_BLINK_NEEDED,
2988 &base_vha->dpc_flags))
2989 ha->isp_ops->beacon_blink(base_vha);
2990
2991 qla2x00_do_dpc_all_vps(base_vha);
2992
2993 ha->dpc_active = 0;
2994 } /* End of while(1) */
2995
2996 DEBUG(printk("scsi(%ld): DPC handler exiting\n", base_vha->host_no));
2997
2998 /*
2999 * Make sure that nobody tries to wake us up again.
3000 */
3001 ha->dpc_active = 0;
3002
3003 /* Cleanup any residual CTX SRBs. */
3004 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
3005
3006 return 0;
3007 }
3008
3009 void
3010 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
3011 {
3012 struct qla_hw_data *ha = vha->hw;
3013 struct task_struct *t = ha->dpc_thread;
3014
3015 if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
3016 wake_up_process(t);
3017 }
3018
3019 /*
3020 * qla2x00_rst_aen
3021 * Processes asynchronous reset.
3022 *
3023 * Input:
3024 * ha = adapter block pointer.
3025 */
3026 static void
3027 qla2x00_rst_aen(scsi_qla_host_t *vha)
3028 {
3029 if (vha->flags.online && !vha->flags.reset_active &&
3030 !atomic_read(&vha->loop_down_timer) &&
3031 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
3032 do {
3033 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
3034
3035 /*
3036 * Issue marker command only when we are going to start
3037 * the I/O.
3038 */
3039 vha->marker_needed = 1;
3040 } while (!atomic_read(&vha->loop_down_timer) &&
3041 (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
3042 }
3043 }
3044
3045 static void
3046 qla2x00_sp_free_dma(srb_t *sp)
3047 {
3048 struct scsi_cmnd *cmd = sp->cmd;
3049
3050 if (sp->flags & SRB_DMA_VALID) {
3051 scsi_dma_unmap(cmd);
3052 sp->flags &= ~SRB_DMA_VALID;
3053 }
3054 CMD_SP(cmd) = NULL;
3055 }
3056
3057 void
3058 qla2x00_sp_compl(struct qla_hw_data *ha, srb_t *sp)
3059 {
3060 struct scsi_cmnd *cmd = sp->cmd;
3061
3062 qla2x00_sp_free_dma(sp);
3063
3064 mempool_free(sp, ha->srb_mempool);
3065
3066 cmd->scsi_done(cmd);
3067 }
3068
3069 /**************************************************************************
3070 * qla2x00_timer
3071 *
3072 * Description:
3073 * One second timer
3074 *
3075 * Context: Interrupt
3076 ***************************************************************************/
3077 void
3078 qla2x00_timer(scsi_qla_host_t *vha)
3079 {
3080 unsigned long cpu_flags = 0;
3081 fc_port_t *fcport;
3082 int start_dpc = 0;
3083 int index;
3084 srb_t *sp;
3085 int t;
3086 uint16_t w;
3087 struct qla_hw_data *ha = vha->hw;
3088 struct req_que *req;
3089
3090 /* Hardware read to raise pending EEH errors during mailbox waits. */
3091 if (!pci_channel_offline(ha->pdev))
3092 pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
3093 /*
3094 * Ports - Port down timer.
3095 *
3096 * Whenever, a port is in the LOST state we start decrementing its port
3097 * down timer every second until it reaches zero. Once it reaches zero
3098 * the port it marked DEAD.
3099 */
3100 t = 0;
3101 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3102 if (fcport->port_type != FCT_TARGET)
3103 continue;
3104
3105 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
3106
3107 if (atomic_read(&fcport->port_down_timer) == 0)
3108 continue;
3109
3110 if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
3111 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
3112
3113 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
3114 "%d remaining\n",
3115 vha->host_no,
3116 t, atomic_read(&fcport->port_down_timer)));
3117 }
3118 t++;
3119 } /* End of for fcport */
3120
3121
3122 /* Loop down handler. */
3123 if (atomic_read(&vha->loop_down_timer) > 0 &&
3124 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
3125 && vha->flags.online) {
3126
3127 if (atomic_read(&vha->loop_down_timer) ==
3128 vha->loop_down_abort_time) {
3129
3130 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
3131 "queues before time expire\n",
3132 vha->host_no));
3133
3134 if (!IS_QLA2100(ha) && vha->link_down_timeout)
3135 atomic_set(&vha->loop_state, LOOP_DEAD);
3136
3137 /*
3138 * Schedule an ISP abort to return any FCP2-device
3139 * commands.
3140 */
3141 /* NPIV - scan physical port only */
3142 if (!vha->vp_idx) {
3143 spin_lock_irqsave(&ha->hardware_lock,
3144 cpu_flags);
3145 req = ha->req_q_map[0];
3146 for (index = 1;
3147 index < MAX_OUTSTANDING_COMMANDS;
3148 index++) {
3149 fc_port_t *sfcp;
3150
3151 sp = req->outstanding_cmds[index];
3152 if (!sp)
3153 continue;
3154 if (sp->ctx)
3155 continue;
3156 sfcp = sp->fcport;
3157 if (!(sfcp->flags & FCF_FCP2_DEVICE))
3158 continue;
3159
3160 set_bit(ISP_ABORT_NEEDED,
3161 &vha->dpc_flags);
3162 break;
3163 }
3164 spin_unlock_irqrestore(&ha->hardware_lock,
3165 cpu_flags);
3166 }
3167 start_dpc++;
3168 }
3169
3170 /* if the loop has been down for 4 minutes, reinit adapter */
3171 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
3172 if (!(vha->device_flags & DFLG_NO_CABLE)) {
3173 DEBUG(printk("scsi(%ld): Loop down - "
3174 "aborting ISP.\n",
3175 vha->host_no));
3176 qla_printk(KERN_WARNING, ha,
3177 "Loop down - aborting ISP.\n");
3178
3179 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3180 }
3181 }
3182 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
3183 vha->host_no,
3184 atomic_read(&vha->loop_down_timer)));
3185 }
3186
3187 /* Check if beacon LED needs to be blinked */
3188 if (ha->beacon_blink_led == 1) {
3189 set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
3190 start_dpc++;
3191 }
3192
3193 /* Process any deferred work. */
3194 if (!list_empty(&vha->work_list))
3195 start_dpc++;
3196
3197 /* Schedule the DPC routine if needed */
3198 if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
3199 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
3200 test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
3201 start_dpc ||
3202 test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
3203 test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
3204 test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
3205 test_bit(RELOGIN_NEEDED, &vha->dpc_flags)))
3206 qla2xxx_wake_dpc(vha);
3207
3208 qla2x00_restart_timer(vha, WATCH_INTERVAL);
3209 }
3210
3211 /* Firmware interface routines. */
3212
3213 #define FW_BLOBS 7
3214 #define FW_ISP21XX 0
3215 #define FW_ISP22XX 1
3216 #define FW_ISP2300 2
3217 #define FW_ISP2322 3
3218 #define FW_ISP24XX 4
3219 #define FW_ISP25XX 5
3220 #define FW_ISP81XX 6
3221
3222 #define FW_FILE_ISP21XX "ql2100_fw.bin"
3223 #define FW_FILE_ISP22XX "ql2200_fw.bin"
3224 #define FW_FILE_ISP2300 "ql2300_fw.bin"
3225 #define FW_FILE_ISP2322 "ql2322_fw.bin"
3226 #define FW_FILE_ISP24XX "ql2400_fw.bin"
3227 #define FW_FILE_ISP25XX "ql2500_fw.bin"
3228 #define FW_FILE_ISP81XX "ql8100_fw.bin"
3229
3230 static DEFINE_MUTEX(qla_fw_lock);
3231
3232 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
3233 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
3234 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
3235 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
3236 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
3237 { .name = FW_FILE_ISP24XX, },
3238 { .name = FW_FILE_ISP25XX, },
3239 { .name = FW_FILE_ISP81XX, },
3240 };
3241
3242 struct fw_blob *
3243 qla2x00_request_firmware(scsi_qla_host_t *vha)
3244 {
3245 struct qla_hw_data *ha = vha->hw;
3246 struct fw_blob *blob;
3247
3248 blob = NULL;
3249 if (IS_QLA2100(ha)) {
3250 blob = &qla_fw_blobs[FW_ISP21XX];
3251 } else if (IS_QLA2200(ha)) {
3252 blob = &qla_fw_blobs[FW_ISP22XX];
3253 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
3254 blob = &qla_fw_blobs[FW_ISP2300];
3255 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
3256 blob = &qla_fw_blobs[FW_ISP2322];
3257 } else if (IS_QLA24XX_TYPE(ha)) {
3258 blob = &qla_fw_blobs[FW_ISP24XX];
3259 } else if (IS_QLA25XX(ha)) {
3260 blob = &qla_fw_blobs[FW_ISP25XX];
3261 } else if (IS_QLA81XX(ha)) {
3262 blob = &qla_fw_blobs[FW_ISP81XX];
3263 }
3264
3265 mutex_lock(&qla_fw_lock);
3266 if (blob->fw)
3267 goto out;
3268
3269 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
3270 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
3271 "(%s).\n", vha->host_no, blob->name));
3272 blob->fw = NULL;
3273 blob = NULL;
3274 goto out;
3275 }
3276
3277 out:
3278 mutex_unlock(&qla_fw_lock);
3279 return blob;
3280 }
3281
3282 static void
3283 qla2x00_release_firmware(void)
3284 {
3285 int idx;
3286
3287 mutex_lock(&qla_fw_lock);
3288 for (idx = 0; idx < FW_BLOBS; idx++)
3289 if (qla_fw_blobs[idx].fw)
3290 release_firmware(qla_fw_blobs[idx].fw);
3291 mutex_unlock(&qla_fw_lock);
3292 }
3293
3294 static pci_ers_result_t
3295 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
3296 {
3297 scsi_qla_host_t *vha = pci_get_drvdata(pdev);
3298 struct qla_hw_data *ha = vha->hw;
3299
3300 DEBUG2(qla_printk(KERN_WARNING, ha, "error_detected:state %x\n",
3301 state));
3302
3303 switch (state) {
3304 case pci_channel_io_normal:
3305 ha->flags.eeh_busy = 0;
3306 return PCI_ERS_RESULT_CAN_RECOVER;
3307 case pci_channel_io_frozen:
3308 ha->flags.eeh_busy = 1;
3309 qla2x00_free_irqs(vha);
3310 pci_disable_device(pdev);
3311 return PCI_ERS_RESULT_NEED_RESET;
3312 case pci_channel_io_perm_failure:
3313 ha->flags.pci_channel_io_perm_failure = 1;
3314 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
3315 return PCI_ERS_RESULT_DISCONNECT;
3316 }
3317 return PCI_ERS_RESULT_NEED_RESET;
3318 }
3319
3320 static pci_ers_result_t
3321 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
3322 {
3323 int risc_paused = 0;
3324 uint32_t stat;
3325 unsigned long flags;
3326 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3327 struct qla_hw_data *ha = base_vha->hw;
3328 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3329 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
3330
3331 spin_lock_irqsave(&ha->hardware_lock, flags);
3332 if (IS_QLA2100(ha) || IS_QLA2200(ha)){
3333 stat = RD_REG_DWORD(&reg->hccr);
3334 if (stat & HCCR_RISC_PAUSE)
3335 risc_paused = 1;
3336 } else if (IS_QLA23XX(ha)) {
3337 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
3338 if (stat & HSR_RISC_PAUSED)
3339 risc_paused = 1;
3340 } else if (IS_FWI2_CAPABLE(ha)) {
3341 stat = RD_REG_DWORD(&reg24->host_status);
3342 if (stat & HSRX_RISC_PAUSED)
3343 risc_paused = 1;
3344 }
3345 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3346
3347 if (risc_paused) {
3348 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
3349 "Dumping firmware!\n");
3350 ha->isp_ops->fw_dump(base_vha, 0);
3351
3352 return PCI_ERS_RESULT_NEED_RESET;
3353 } else
3354 return PCI_ERS_RESULT_RECOVERED;
3355 }
3356
3357 static pci_ers_result_t
3358 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
3359 {
3360 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
3361 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3362 struct qla_hw_data *ha = base_vha->hw;
3363 struct rsp_que *rsp;
3364 int rc, retries = 10;
3365
3366 DEBUG17(qla_printk(KERN_WARNING, ha, "slot_reset\n"));
3367
3368 /* Workaround: qla2xxx driver which access hardware earlier
3369 * needs error state to be pci_channel_io_online.
3370 * Otherwise mailbox command timesout.
3371 */
3372 pdev->error_state = pci_channel_io_normal;
3373
3374 pci_restore_state(pdev);
3375
3376 /* pci_restore_state() clears the saved_state flag of the device
3377 * save restored state which resets saved_state flag
3378 */
3379 pci_save_state(pdev);
3380
3381 if (ha->mem_only)
3382 rc = pci_enable_device_mem(pdev);
3383 else
3384 rc = pci_enable_device(pdev);
3385
3386 if (rc) {
3387 qla_printk(KERN_WARNING, ha,
3388 "Can't re-enable PCI device after reset.\n");
3389 return ret;
3390 }
3391
3392 rsp = ha->rsp_q_map[0];
3393 if (qla2x00_request_irqs(ha, rsp))
3394 return ret;
3395
3396 if (ha->isp_ops->pci_config(base_vha))
3397 return ret;
3398
3399 while (ha->flags.mbox_busy && retries--)
3400 msleep(1000);
3401
3402 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3403 if (qla2x00_abort_isp(base_vha) == QLA_SUCCESS)
3404 ret = PCI_ERS_RESULT_RECOVERED;
3405 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3406
3407 pci_cleanup_aer_uncorrect_error_status(pdev);
3408
3409 DEBUG17(qla_printk(KERN_WARNING, ha,
3410 "slot_reset-return:ret=%x\n", ret));
3411
3412 return ret;
3413 }
3414
3415 static void
3416 qla2xxx_pci_resume(struct pci_dev *pdev)
3417 {
3418 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3419 struct qla_hw_data *ha = base_vha->hw;
3420 int ret;
3421
3422 DEBUG17(qla_printk(KERN_WARNING, ha, "pci_resume\n"));
3423
3424 ret = qla2x00_wait_for_hba_online(base_vha);
3425 if (ret != QLA_SUCCESS) {
3426 qla_printk(KERN_ERR, ha,
3427 "the device failed to resume I/O "
3428 "from slot/link_reset");
3429 }
3430
3431 ha->flags.eeh_busy = 0;
3432 }
3433
3434 static struct pci_error_handlers qla2xxx_err_handler = {
3435 .error_detected = qla2xxx_pci_error_detected,
3436 .mmio_enabled = qla2xxx_pci_mmio_enabled,
3437 .slot_reset = qla2xxx_pci_slot_reset,
3438 .resume = qla2xxx_pci_resume,
3439 };
3440
3441 static struct pci_device_id qla2xxx_pci_tbl[] = {
3442 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
3443 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
3444 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
3445 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
3446 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
3447 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
3448 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
3449 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
3450 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
3451 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
3452 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
3453 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
3454 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
3455 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
3456 { 0 },
3457 };
3458 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
3459
3460 static struct pci_driver qla2xxx_pci_driver = {
3461 .name = QLA2XXX_DRIVER_NAME,
3462 .driver = {
3463 .owner = THIS_MODULE,
3464 },
3465 .id_table = qla2xxx_pci_tbl,
3466 .probe = qla2x00_probe_one,
3467 .remove = qla2x00_remove_one,
3468 .err_handler = &qla2xxx_err_handler,
3469 };
3470
3471 /**
3472 * qla2x00_module_init - Module initialization.
3473 **/
3474 static int __init
3475 qla2x00_module_init(void)
3476 {
3477 int ret = 0;
3478
3479 /* Allocate cache for SRBs. */
3480 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
3481 SLAB_HWCACHE_ALIGN, NULL);
3482 if (srb_cachep == NULL) {
3483 printk(KERN_ERR
3484 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
3485 return -ENOMEM;
3486 }
3487
3488 /* Derive version string. */
3489 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
3490 if (ql2xextended_error_logging)
3491 strcat(qla2x00_version_str, "-debug");
3492
3493 qla2xxx_transport_template =
3494 fc_attach_transport(&qla2xxx_transport_functions);
3495 if (!qla2xxx_transport_template) {
3496 kmem_cache_destroy(srb_cachep);
3497 return -ENODEV;
3498 }
3499 qla2xxx_transport_vport_template =
3500 fc_attach_transport(&qla2xxx_transport_vport_functions);
3501 if (!qla2xxx_transport_vport_template) {
3502 kmem_cache_destroy(srb_cachep);
3503 fc_release_transport(qla2xxx_transport_template);
3504 return -ENODEV;
3505 }
3506
3507 printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n",
3508 qla2x00_version_str);
3509 ret = pci_register_driver(&qla2xxx_pci_driver);
3510 if (ret) {
3511 kmem_cache_destroy(srb_cachep);
3512 fc_release_transport(qla2xxx_transport_template);
3513 fc_release_transport(qla2xxx_transport_vport_template);
3514 }
3515 return ret;
3516 }
3517
3518 /**
3519 * qla2x00_module_exit - Module cleanup.
3520 **/
3521 static void __exit
3522 qla2x00_module_exit(void)
3523 {
3524 pci_unregister_driver(&qla2xxx_pci_driver);
3525 qla2x00_release_firmware();
3526 kmem_cache_destroy(srb_cachep);
3527 fc_release_transport(qla2xxx_transport_template);
3528 fc_release_transport(qla2xxx_transport_vport_template);
3529 }
3530
3531 module_init(qla2x00_module_init);
3532 module_exit(qla2x00_module_exit);
3533
3534 MODULE_AUTHOR("QLogic Corporation");
3535 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
3536 MODULE_LICENSE("GPL");
3537 MODULE_VERSION(QLA2XXX_VERSION);
3538 MODULE_FIRMWARE(FW_FILE_ISP21XX);
3539 MODULE_FIRMWARE(FW_FILE_ISP22XX);
3540 MODULE_FIRMWARE(FW_FILE_ISP2300);
3541 MODULE_FIRMWARE(FW_FILE_ISP2322);
3542 MODULE_FIRMWARE(FW_FILE_ISP24XX);
3543 MODULE_FIRMWARE(FW_FILE_ISP25XX);
ubuntu-bionic-kernel mirror