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Staging: strip: delete the driver
[linux/fpc-iii.git] / drivers / scsi / qla2xxx / qla_os.c
blob48c37e38ed0172b137b99a0effaabc9049375a9b
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 || ctx->type == SRB_LOGOUT_CMD) {
1134 del_timer_sync(&ctx->timer);
1135 ctx->free(sp);
1136 } else {
1137 struct srb_bsg* sp_bsg = (struct srb_bsg*)sp->ctx;
1138 if (sp_bsg->bsg_job->request->msgcode == FC_BSG_HST_CT)
1139 kfree(sp->fcport);
1140 sp_bsg->bsg_job->req->errors = 0;
1141 sp_bsg->bsg_job->reply->result = res;
1142 sp_bsg->bsg_job->job_done(sp_bsg->bsg_job);
1143 kfree(sp->ctx);
1144 mempool_free(sp, ha->srb_mempool);
1145 }
1146 }
1147 }
1148 }
1149 }
1150 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1151 }
1152
1153 static int
1154 qla2xxx_slave_alloc(struct scsi_device *sdev)
1155 {
1156 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1157
1158 if (!rport || fc_remote_port_chkready(rport))
1159 return -ENXIO;
1160
1161 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1162
1163 return 0;
1164 }
1165
1166 static int
1167 qla2xxx_slave_configure(struct scsi_device *sdev)
1168 {
1169 scsi_qla_host_t *vha = shost_priv(sdev->host);
1170 struct qla_hw_data *ha = vha->hw;
1171 struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1172 struct req_que *req = vha->req;
1173
1174 if (sdev->tagged_supported)
1175 scsi_activate_tcq(sdev, req->max_q_depth);
1176 else
1177 scsi_deactivate_tcq(sdev, req->max_q_depth);
1178
1179 rport->dev_loss_tmo = ha->port_down_retry_count;
1180
1181 return 0;
1182 }
1183
1184 static void
1185 qla2xxx_slave_destroy(struct scsi_device *sdev)
1186 {
1187 sdev->hostdata = NULL;
1188 }
1189
1190 static void qla2x00_handle_queue_full(struct scsi_device *sdev, int qdepth)
1191 {
1192 fc_port_t *fcport = (struct fc_port *) sdev->hostdata;
1193
1194 if (!scsi_track_queue_full(sdev, qdepth))
1195 return;
1196
1197 DEBUG2(qla_printk(KERN_INFO, fcport->vha->hw,
1198 "scsi(%ld:%d:%d:%d): Queue depth adjusted-down to %d.\n",
1199 fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun,
1200 sdev->queue_depth));
1201 }
1202
1203 static void qla2x00_adjust_sdev_qdepth_up(struct scsi_device *sdev, int qdepth)
1204 {
1205 fc_port_t *fcport = sdev->hostdata;
1206 struct scsi_qla_host *vha = fcport->vha;
1207 struct qla_hw_data *ha = vha->hw;
1208 struct req_que *req = NULL;
1209
1210 req = vha->req;
1211 if (!req)
1212 return;
1213
1214 if (req->max_q_depth <= sdev->queue_depth || req->max_q_depth < qdepth)
1215 return;
1216
1217 if (sdev->ordered_tags)
1218 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, qdepth);
1219 else
1220 scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, qdepth);
1221
1222 DEBUG2(qla_printk(KERN_INFO, ha,
1223 "scsi(%ld:%d:%d:%d): Queue depth adjusted-up to %d.\n",
1224 fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun,
1225 sdev->queue_depth));
1226 }
1227
1228 static int
1229 qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
1230 {
1231 switch (reason) {
1232 case SCSI_QDEPTH_DEFAULT:
1233 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1234 break;
1235 case SCSI_QDEPTH_QFULL:
1236 qla2x00_handle_queue_full(sdev, qdepth);
1237 break;
1238 case SCSI_QDEPTH_RAMP_UP:
1239 qla2x00_adjust_sdev_qdepth_up(sdev, qdepth);
1240 break;
1241 default:
1242 return -EOPNOTSUPP;
1243 }
1244
1245 return sdev->queue_depth;
1246 }
1247
1248 static int
1249 qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1250 {
1251 if (sdev->tagged_supported) {
1252 scsi_set_tag_type(sdev, tag_type);
1253 if (tag_type)
1254 scsi_activate_tcq(sdev, sdev->queue_depth);
1255 else
1256 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1257 } else
1258 tag_type = 0;
1259
1260 return tag_type;
1261 }
1262
1263 /**
1264 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1265 * @ha: HA context
1266 *
1267 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1268 * supported addressing method.
1269 */
1270 static void
1271 qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1272 {
1273 /* Assume a 32bit DMA mask. */
1274 ha->flags.enable_64bit_addressing = 0;
1275
1276 if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1277 /* Any upper-dword bits set? */
1278 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1279 !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
1280 /* Ok, a 64bit DMA mask is applicable. */
1281 ha->flags.enable_64bit_addressing = 1;
1282 ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1283 ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1284 return;
1285 }
1286 }
1287
1288 dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1289 pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1290 }
1291
1292 static void
1293 qla2x00_enable_intrs(struct qla_hw_data *ha)
1294 {
1295 unsigned long flags = 0;
1296 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1297
1298 spin_lock_irqsave(&ha->hardware_lock, flags);
1299 ha->interrupts_on = 1;
1300 /* enable risc and host interrupts */
1301 WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1302 RD_REG_WORD(&reg->ictrl);
1303 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1304
1305 }
1306
1307 static void
1308 qla2x00_disable_intrs(struct qla_hw_data *ha)
1309 {
1310 unsigned long flags = 0;
1311 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1312
1313 spin_lock_irqsave(&ha->hardware_lock, flags);
1314 ha->interrupts_on = 0;
1315 /* disable risc and host interrupts */
1316 WRT_REG_WORD(&reg->ictrl, 0);
1317 RD_REG_WORD(&reg->ictrl);
1318 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1319 }
1320
1321 static void
1322 qla24xx_enable_intrs(struct qla_hw_data *ha)
1323 {
1324 unsigned long flags = 0;
1325 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1326
1327 spin_lock_irqsave(&ha->hardware_lock, flags);
1328 ha->interrupts_on = 1;
1329 WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1330 RD_REG_DWORD(&reg->ictrl);
1331 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1332 }
1333
1334 static void
1335 qla24xx_disable_intrs(struct qla_hw_data *ha)
1336 {
1337 unsigned long flags = 0;
1338 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1339
1340 if (IS_NOPOLLING_TYPE(ha))
1341 return;
1342 spin_lock_irqsave(&ha->hardware_lock, flags);
1343 ha->interrupts_on = 0;
1344 WRT_REG_DWORD(&reg->ictrl, 0);
1345 RD_REG_DWORD(&reg->ictrl);
1346 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1347 }
1348
1349 static struct isp_operations qla2100_isp_ops = {
1350 .pci_config = qla2100_pci_config,
1351 .reset_chip = qla2x00_reset_chip,
1352 .chip_diag = qla2x00_chip_diag,
1353 .config_rings = qla2x00_config_rings,
1354 .reset_adapter = qla2x00_reset_adapter,
1355 .nvram_config = qla2x00_nvram_config,
1356 .update_fw_options = qla2x00_update_fw_options,
1357 .load_risc = qla2x00_load_risc,
1358 .pci_info_str = qla2x00_pci_info_str,
1359 .fw_version_str = qla2x00_fw_version_str,
1360 .intr_handler = qla2100_intr_handler,
1361 .enable_intrs = qla2x00_enable_intrs,
1362 .disable_intrs = qla2x00_disable_intrs,
1363 .abort_command = qla2x00_abort_command,
1364 .target_reset = qla2x00_abort_target,
1365 .lun_reset = qla2x00_lun_reset,
1366 .fabric_login = qla2x00_login_fabric,
1367 .fabric_logout = qla2x00_fabric_logout,
1368 .calc_req_entries = qla2x00_calc_iocbs_32,
1369 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1370 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1371 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1372 .read_nvram = qla2x00_read_nvram_data,
1373 .write_nvram = qla2x00_write_nvram_data,
1374 .fw_dump = qla2100_fw_dump,
1375 .beacon_on = NULL,
1376 .beacon_off = NULL,
1377 .beacon_blink = NULL,
1378 .read_optrom = qla2x00_read_optrom_data,
1379 .write_optrom = qla2x00_write_optrom_data,
1380 .get_flash_version = qla2x00_get_flash_version,
1381 .start_scsi = qla2x00_start_scsi,
1382 };
1383
1384 static struct isp_operations qla2300_isp_ops = {
1385 .pci_config = qla2300_pci_config,
1386 .reset_chip = qla2x00_reset_chip,
1387 .chip_diag = qla2x00_chip_diag,
1388 .config_rings = qla2x00_config_rings,
1389 .reset_adapter = qla2x00_reset_adapter,
1390 .nvram_config = qla2x00_nvram_config,
1391 .update_fw_options = qla2x00_update_fw_options,
1392 .load_risc = qla2x00_load_risc,
1393 .pci_info_str = qla2x00_pci_info_str,
1394 .fw_version_str = qla2x00_fw_version_str,
1395 .intr_handler = qla2300_intr_handler,
1396 .enable_intrs = qla2x00_enable_intrs,
1397 .disable_intrs = qla2x00_disable_intrs,
1398 .abort_command = qla2x00_abort_command,
1399 .target_reset = qla2x00_abort_target,
1400 .lun_reset = qla2x00_lun_reset,
1401 .fabric_login = qla2x00_login_fabric,
1402 .fabric_logout = qla2x00_fabric_logout,
1403 .calc_req_entries = qla2x00_calc_iocbs_32,
1404 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1405 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1406 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1407 .read_nvram = qla2x00_read_nvram_data,
1408 .write_nvram = qla2x00_write_nvram_data,
1409 .fw_dump = qla2300_fw_dump,
1410 .beacon_on = qla2x00_beacon_on,
1411 .beacon_off = qla2x00_beacon_off,
1412 .beacon_blink = qla2x00_beacon_blink,
1413 .read_optrom = qla2x00_read_optrom_data,
1414 .write_optrom = qla2x00_write_optrom_data,
1415 .get_flash_version = qla2x00_get_flash_version,
1416 .start_scsi = qla2x00_start_scsi,
1417 };
1418
1419 static struct isp_operations qla24xx_isp_ops = {
1420 .pci_config = qla24xx_pci_config,
1421 .reset_chip = qla24xx_reset_chip,
1422 .chip_diag = qla24xx_chip_diag,
1423 .config_rings = qla24xx_config_rings,
1424 .reset_adapter = qla24xx_reset_adapter,
1425 .nvram_config = qla24xx_nvram_config,
1426 .update_fw_options = qla24xx_update_fw_options,
1427 .load_risc = qla24xx_load_risc,
1428 .pci_info_str = qla24xx_pci_info_str,
1429 .fw_version_str = qla24xx_fw_version_str,
1430 .intr_handler = qla24xx_intr_handler,
1431 .enable_intrs = qla24xx_enable_intrs,
1432 .disable_intrs = qla24xx_disable_intrs,
1433 .abort_command = qla24xx_abort_command,
1434 .target_reset = qla24xx_abort_target,
1435 .lun_reset = qla24xx_lun_reset,
1436 .fabric_login = qla24xx_login_fabric,
1437 .fabric_logout = qla24xx_fabric_logout,
1438 .calc_req_entries = NULL,
1439 .build_iocbs = NULL,
1440 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1441 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1442 .read_nvram = qla24xx_read_nvram_data,
1443 .write_nvram = qla24xx_write_nvram_data,
1444 .fw_dump = qla24xx_fw_dump,
1445 .beacon_on = qla24xx_beacon_on,
1446 .beacon_off = qla24xx_beacon_off,
1447 .beacon_blink = qla24xx_beacon_blink,
1448 .read_optrom = qla24xx_read_optrom_data,
1449 .write_optrom = qla24xx_write_optrom_data,
1450 .get_flash_version = qla24xx_get_flash_version,
1451 .start_scsi = qla24xx_start_scsi,
1452 };
1453
1454 static struct isp_operations qla25xx_isp_ops = {
1455 .pci_config = qla25xx_pci_config,
1456 .reset_chip = qla24xx_reset_chip,
1457 .chip_diag = qla24xx_chip_diag,
1458 .config_rings = qla24xx_config_rings,
1459 .reset_adapter = qla24xx_reset_adapter,
1460 .nvram_config = qla24xx_nvram_config,
1461 .update_fw_options = qla24xx_update_fw_options,
1462 .load_risc = qla24xx_load_risc,
1463 .pci_info_str = qla24xx_pci_info_str,
1464 .fw_version_str = qla24xx_fw_version_str,
1465 .intr_handler = qla24xx_intr_handler,
1466 .enable_intrs = qla24xx_enable_intrs,
1467 .disable_intrs = qla24xx_disable_intrs,
1468 .abort_command = qla24xx_abort_command,
1469 .target_reset = qla24xx_abort_target,
1470 .lun_reset = qla24xx_lun_reset,
1471 .fabric_login = qla24xx_login_fabric,
1472 .fabric_logout = qla24xx_fabric_logout,
1473 .calc_req_entries = NULL,
1474 .build_iocbs = NULL,
1475 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1476 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1477 .read_nvram = qla25xx_read_nvram_data,
1478 .write_nvram = qla25xx_write_nvram_data,
1479 .fw_dump = qla25xx_fw_dump,
1480 .beacon_on = qla24xx_beacon_on,
1481 .beacon_off = qla24xx_beacon_off,
1482 .beacon_blink = qla24xx_beacon_blink,
1483 .read_optrom = qla25xx_read_optrom_data,
1484 .write_optrom = qla24xx_write_optrom_data,
1485 .get_flash_version = qla24xx_get_flash_version,
1486 .start_scsi = qla24xx_start_scsi,
1487 };
1488
1489 static struct isp_operations qla81xx_isp_ops = {
1490 .pci_config = qla25xx_pci_config,
1491 .reset_chip = qla24xx_reset_chip,
1492 .chip_diag = qla24xx_chip_diag,
1493 .config_rings = qla24xx_config_rings,
1494 .reset_adapter = qla24xx_reset_adapter,
1495 .nvram_config = qla81xx_nvram_config,
1496 .update_fw_options = qla81xx_update_fw_options,
1497 .load_risc = qla81xx_load_risc,
1498 .pci_info_str = qla24xx_pci_info_str,
1499 .fw_version_str = qla24xx_fw_version_str,
1500 .intr_handler = qla24xx_intr_handler,
1501 .enable_intrs = qla24xx_enable_intrs,
1502 .disable_intrs = qla24xx_disable_intrs,
1503 .abort_command = qla24xx_abort_command,
1504 .target_reset = qla24xx_abort_target,
1505 .lun_reset = qla24xx_lun_reset,
1506 .fabric_login = qla24xx_login_fabric,
1507 .fabric_logout = qla24xx_fabric_logout,
1508 .calc_req_entries = NULL,
1509 .build_iocbs = NULL,
1510 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1511 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1512 .read_nvram = NULL,
1513 .write_nvram = NULL,
1514 .fw_dump = qla81xx_fw_dump,
1515 .beacon_on = qla24xx_beacon_on,
1516 .beacon_off = qla24xx_beacon_off,
1517 .beacon_blink = qla24xx_beacon_blink,
1518 .read_optrom = qla25xx_read_optrom_data,
1519 .write_optrom = qla24xx_write_optrom_data,
1520 .get_flash_version = qla24xx_get_flash_version,
1521 .start_scsi = qla24xx_start_scsi,
1522 };
1523
1524 static inline void
1525 qla2x00_set_isp_flags(struct qla_hw_data *ha)
1526 {
1527 ha->device_type = DT_EXTENDED_IDS;
1528 switch (ha->pdev->device) {
1529 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1530 ha->device_type |= DT_ISP2100;
1531 ha->device_type &= ~DT_EXTENDED_IDS;
1532 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1533 break;
1534 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1535 ha->device_type |= DT_ISP2200;
1536 ha->device_type &= ~DT_EXTENDED_IDS;
1537 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1538 break;
1539 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1540 ha->device_type |= DT_ISP2300;
1541 ha->device_type |= DT_ZIO_SUPPORTED;
1542 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1543 break;
1544 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1545 ha->device_type |= DT_ISP2312;
1546 ha->device_type |= DT_ZIO_SUPPORTED;
1547 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1548 break;
1549 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1550 ha->device_type |= DT_ISP2322;
1551 ha->device_type |= DT_ZIO_SUPPORTED;
1552 if (ha->pdev->subsystem_vendor == 0x1028 &&
1553 ha->pdev->subsystem_device == 0x0170)
1554 ha->device_type |= DT_OEM_001;
1555 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1556 break;
1557 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1558 ha->device_type |= DT_ISP6312;
1559 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1560 break;
1561 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1562 ha->device_type |= DT_ISP6322;
1563 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1564 break;
1565 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1566 ha->device_type |= DT_ISP2422;
1567 ha->device_type |= DT_ZIO_SUPPORTED;
1568 ha->device_type |= DT_FWI2;
1569 ha->device_type |= DT_IIDMA;
1570 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1571 break;
1572 case PCI_DEVICE_ID_QLOGIC_ISP2432:
1573 ha->device_type |= DT_ISP2432;
1574 ha->device_type |= DT_ZIO_SUPPORTED;
1575 ha->device_type |= DT_FWI2;
1576 ha->device_type |= DT_IIDMA;
1577 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1578 break;
1579 case PCI_DEVICE_ID_QLOGIC_ISP8432:
1580 ha->device_type |= DT_ISP8432;
1581 ha->device_type |= DT_ZIO_SUPPORTED;
1582 ha->device_type |= DT_FWI2;
1583 ha->device_type |= DT_IIDMA;
1584 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1585 break;
1586 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1587 ha->device_type |= DT_ISP5422;
1588 ha->device_type |= DT_FWI2;
1589 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1590 break;
1591 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1592 ha->device_type |= DT_ISP5432;
1593 ha->device_type |= DT_FWI2;
1594 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1595 break;
1596 case PCI_DEVICE_ID_QLOGIC_ISP2532:
1597 ha->device_type |= DT_ISP2532;
1598 ha->device_type |= DT_ZIO_SUPPORTED;
1599 ha->device_type |= DT_FWI2;
1600 ha->device_type |= DT_IIDMA;
1601 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1602 break;
1603 case PCI_DEVICE_ID_QLOGIC_ISP8001:
1604 ha->device_type |= DT_ISP8001;
1605 ha->device_type |= DT_ZIO_SUPPORTED;
1606 ha->device_type |= DT_FWI2;
1607 ha->device_type |= DT_IIDMA;
1608 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1609 break;
1610 }
1611
1612 /* Get adapter physical port no from interrupt pin register. */
1613 pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
1614 if (ha->port_no & 1)
1615 ha->flags.port0 = 1;
1616 else
1617 ha->flags.port0 = 0;
1618 }
1619
1620 static int
1621 qla2x00_iospace_config(struct qla_hw_data *ha)
1622 {
1623 resource_size_t pio;
1624 uint16_t msix;
1625 int cpus;
1626
1627 if (pci_request_selected_regions(ha->pdev, ha->bars,
1628 QLA2XXX_DRIVER_NAME)) {
1629 qla_printk(KERN_WARNING, ha,
1630 "Failed to reserve PIO/MMIO regions (%s)\n",
1631 pci_name(ha->pdev));
1632
1633 goto iospace_error_exit;
1634 }
1635 if (!(ha->bars & 1))
1636 goto skip_pio;
1637
1638 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1639 pio = pci_resource_start(ha->pdev, 0);
1640 if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1641 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1642 qla_printk(KERN_WARNING, ha,
1643 "Invalid PCI I/O region size (%s)...\n",
1644 pci_name(ha->pdev));
1645 pio = 0;
1646 }
1647 } else {
1648 qla_printk(KERN_WARNING, ha,
1649 "region #0 not a PIO resource (%s)...\n",
1650 pci_name(ha->pdev));
1651 pio = 0;
1652 }
1653 ha->pio_address = pio;
1654
1655 skip_pio:
1656 /* Use MMIO operations for all accesses. */
1657 if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1658 qla_printk(KERN_ERR, ha,
1659 "region #1 not an MMIO resource (%s), aborting\n",
1660 pci_name(ha->pdev));
1661 goto iospace_error_exit;
1662 }
1663 if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1664 qla_printk(KERN_ERR, ha,
1665 "Invalid PCI mem region size (%s), aborting\n",
1666 pci_name(ha->pdev));
1667 goto iospace_error_exit;
1668 }
1669
1670 ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1671 if (!ha->iobase) {
1672 qla_printk(KERN_ERR, ha,
1673 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1674
1675 goto iospace_error_exit;
1676 }
1677
1678 /* Determine queue resources */
1679 ha->max_req_queues = ha->max_rsp_queues = 1;
1680 if ((ql2xmaxqueues <= 1 && !ql2xmultique_tag) ||
1681 (ql2xmaxqueues > 1 && ql2xmultique_tag) ||
1682 (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
1683 goto mqiobase_exit;
1684
1685 ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1686 pci_resource_len(ha->pdev, 3));
1687 if (ha->mqiobase) {
1688 /* Read MSIX vector size of the board */
1689 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1690 ha->msix_count = msix;
1691 /* Max queues are bounded by available msix vectors */
1692 /* queue 0 uses two msix vectors */
1693 if (ql2xmultique_tag) {
1694 cpus = num_online_cpus();
1695 ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ?
1696 (cpus + 1) : (ha->msix_count - 1);
1697 ha->max_req_queues = 2;
1698 } else if (ql2xmaxqueues > 1) {
1699 ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ?
1700 QLA_MQ_SIZE : ql2xmaxqueues;
1701 DEBUG2(qla_printk(KERN_INFO, ha, "QoS mode set, max no"
1702 " of request queues:%d\n", ha->max_req_queues));
1703 }
1704 qla_printk(KERN_INFO, ha,
1705 "MSI-X vector count: %d\n", msix);
1706 } else
1707 qla_printk(KERN_INFO, ha, "BAR 3 not enabled\n");
1708
1709 mqiobase_exit:
1710 ha->msix_count = ha->max_rsp_queues + 1;
1711 return (0);
1712
1713 iospace_error_exit:
1714 return (-ENOMEM);
1715 }
1716
1717 static void
1718 qla2xxx_scan_start(struct Scsi_Host *shost)
1719 {
1720 scsi_qla_host_t *vha = shost_priv(shost);
1721
1722 if (vha->hw->flags.running_gold_fw)
1723 return;
1724
1725 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1726 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1727 set_bit(RSCN_UPDATE, &vha->dpc_flags);
1728 set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
1729 }
1730
1731 static int
1732 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1733 {
1734 scsi_qla_host_t *vha = shost_priv(shost);
1735
1736 if (!vha->host)
1737 return 1;
1738 if (time > vha->hw->loop_reset_delay * HZ)
1739 return 1;
1740
1741 return atomic_read(&vha->loop_state) == LOOP_READY;
1742 }
1743
1744 /*
1745 * PCI driver interface
1746 */
1747 static int __devinit
1748 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1749 {
1750 int ret = -ENODEV;
1751 struct Scsi_Host *host;
1752 scsi_qla_host_t *base_vha = NULL;
1753 struct qla_hw_data *ha;
1754 char pci_info[30];
1755 char fw_str[30];
1756 struct scsi_host_template *sht;
1757 int bars, max_id, mem_only = 0;
1758 uint16_t req_length = 0, rsp_length = 0;
1759 struct req_que *req = NULL;
1760 struct rsp_que *rsp = NULL;
1761
1762 bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
1763 sht = &qla2xxx_driver_template;
1764 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
1765 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
1766 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
1767 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
1768 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
1769 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
1770 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001) {
1771 bars = pci_select_bars(pdev, IORESOURCE_MEM);
1772 mem_only = 1;
1773 }
1774
1775 if (mem_only) {
1776 if (pci_enable_device_mem(pdev))
1777 goto probe_out;
1778 } else {
1779 if (pci_enable_device(pdev))
1780 goto probe_out;
1781 }
1782
1783 /* This may fail but that's ok */
1784 pci_enable_pcie_error_reporting(pdev);
1785
1786 ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
1787 if (!ha) {
1788 DEBUG(printk("Unable to allocate memory for ha\n"));
1789 goto probe_out;
1790 }
1791 ha->pdev = pdev;
1792
1793 /* Clear our data area */
1794 ha->bars = bars;
1795 ha->mem_only = mem_only;
1796 spin_lock_init(&ha->hardware_lock);
1797
1798 /* Set ISP-type information. */
1799 qla2x00_set_isp_flags(ha);
1800
1801 /* Set EEH reset type to fundamental if required by hba */
1802 if ( IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha)) {
1803 pdev->needs_freset = 1;
1804 }
1805
1806 /* Configure PCI I/O space */
1807 ret = qla2x00_iospace_config(ha);
1808 if (ret)
1809 goto probe_hw_failed;
1810
1811 qla_printk(KERN_INFO, ha,
1812 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1813 ha->iobase);
1814
1815 ha->prev_topology = 0;
1816 ha->init_cb_size = sizeof(init_cb_t);
1817 ha->link_data_rate = PORT_SPEED_UNKNOWN;
1818 ha->optrom_size = OPTROM_SIZE_2300;
1819
1820 /* Assign ISP specific operations. */
1821 max_id = MAX_TARGETS_2200;
1822 if (IS_QLA2100(ha)) {
1823 max_id = MAX_TARGETS_2100;
1824 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
1825 req_length = REQUEST_ENTRY_CNT_2100;
1826 rsp_length = RESPONSE_ENTRY_CNT_2100;
1827 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
1828 ha->gid_list_info_size = 4;
1829 ha->flash_conf_off = ~0;
1830 ha->flash_data_off = ~0;
1831 ha->nvram_conf_off = ~0;
1832 ha->nvram_data_off = ~0;
1833 ha->isp_ops = &qla2100_isp_ops;
1834 } else if (IS_QLA2200(ha)) {
1835 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1836 req_length = REQUEST_ENTRY_CNT_2200;
1837 rsp_length = RESPONSE_ENTRY_CNT_2100;
1838 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
1839 ha->gid_list_info_size = 4;
1840 ha->flash_conf_off = ~0;
1841 ha->flash_data_off = ~0;
1842 ha->nvram_conf_off = ~0;
1843 ha->nvram_data_off = ~0;
1844 ha->isp_ops = &qla2100_isp_ops;
1845 } else if (IS_QLA23XX(ha)) {
1846 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1847 req_length = REQUEST_ENTRY_CNT_2200;
1848 rsp_length = RESPONSE_ENTRY_CNT_2300;
1849 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1850 ha->gid_list_info_size = 6;
1851 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1852 ha->optrom_size = OPTROM_SIZE_2322;
1853 ha->flash_conf_off = ~0;
1854 ha->flash_data_off = ~0;
1855 ha->nvram_conf_off = ~0;
1856 ha->nvram_data_off = ~0;
1857 ha->isp_ops = &qla2300_isp_ops;
1858 } else if (IS_QLA24XX_TYPE(ha)) {
1859 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1860 req_length = REQUEST_ENTRY_CNT_24XX;
1861 rsp_length = RESPONSE_ENTRY_CNT_2300;
1862 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1863 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1864 ha->gid_list_info_size = 8;
1865 ha->optrom_size = OPTROM_SIZE_24XX;
1866 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
1867 ha->isp_ops = &qla24xx_isp_ops;
1868 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
1869 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
1870 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
1871 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
1872 } else if (IS_QLA25XX(ha)) {
1873 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1874 req_length = REQUEST_ENTRY_CNT_24XX;
1875 rsp_length = RESPONSE_ENTRY_CNT_2300;
1876 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1877 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1878 ha->gid_list_info_size = 8;
1879 ha->optrom_size = OPTROM_SIZE_25XX;
1880 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
1881 ha->isp_ops = &qla25xx_isp_ops;
1882 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
1883 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
1884 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
1885 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
1886 } else if (IS_QLA81XX(ha)) {
1887 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1888 req_length = REQUEST_ENTRY_CNT_24XX;
1889 rsp_length = RESPONSE_ENTRY_CNT_2300;
1890 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1891 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
1892 ha->gid_list_info_size = 8;
1893 ha->optrom_size = OPTROM_SIZE_81XX;
1894 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
1895 ha->isp_ops = &qla81xx_isp_ops;
1896 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
1897 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
1898 ha->nvram_conf_off = ~0;
1899 ha->nvram_data_off = ~0;
1900 }
1901
1902 mutex_init(&ha->vport_lock);
1903 init_completion(&ha->mbx_cmd_comp);
1904 complete(&ha->mbx_cmd_comp);
1905 init_completion(&ha->mbx_intr_comp);
1906
1907 set_bit(0, (unsigned long *) ha->vp_idx_map);
1908
1909 qla2x00_config_dma_addressing(ha);
1910 ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
1911 if (!ret) {
1912 qla_printk(KERN_WARNING, ha,
1913 "[ERROR] Failed to allocate memory for adapter\n");
1914
1915 goto probe_hw_failed;
1916 }
1917
1918 req->max_q_depth = MAX_Q_DEPTH;
1919 if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
1920 req->max_q_depth = ql2xmaxqdepth;
1921
1922
1923 base_vha = qla2x00_create_host(sht, ha);
1924 if (!base_vha) {
1925 qla_printk(KERN_WARNING, ha,
1926 "[ERROR] Failed to allocate memory for scsi_host\n");
1927
1928 ret = -ENOMEM;
1929 qla2x00_mem_free(ha);
1930 qla2x00_free_req_que(ha, req);
1931 qla2x00_free_rsp_que(ha, rsp);
1932 goto probe_hw_failed;
1933 }
1934
1935 pci_set_drvdata(pdev, base_vha);
1936
1937 host = base_vha->host;
1938 base_vha->req = req;
1939 host->can_queue = req->length + 128;
1940 if (IS_QLA2XXX_MIDTYPE(ha))
1941 base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
1942 else
1943 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
1944 base_vha->vp_idx;
1945 if (IS_QLA2100(ha))
1946 host->sg_tablesize = 32;
1947 host->max_id = max_id;
1948 host->this_id = 255;
1949 host->cmd_per_lun = 3;
1950 host->unique_id = host->host_no;
1951 host->max_cmd_len = MAX_CMDSZ;
1952 host->max_channel = MAX_BUSES - 1;
1953 host->max_lun = MAX_LUNS;
1954 host->transportt = qla2xxx_transport_template;
1955 sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
1956
1957 /* Set up the irqs */
1958 ret = qla2x00_request_irqs(ha, rsp);
1959 if (ret)
1960 goto probe_init_failed;
1961
1962 pci_save_state(pdev);
1963
1964 /* Alloc arrays of request and response ring ptrs */
1965 que_init:
1966 if (!qla2x00_alloc_queues(ha)) {
1967 qla_printk(KERN_WARNING, ha,
1968 "[ERROR] Failed to allocate memory for queue"
1969 " pointers\n");
1970 goto probe_init_failed;
1971 }
1972 ha->rsp_q_map[0] = rsp;
1973 ha->req_q_map[0] = req;
1974 rsp->req = req;
1975 req->rsp = rsp;
1976 set_bit(0, ha->req_qid_map);
1977 set_bit(0, ha->rsp_qid_map);
1978 /* FWI2-capable only. */
1979 req->req_q_in = &ha->iobase->isp24.req_q_in;
1980 req->req_q_out = &ha->iobase->isp24.req_q_out;
1981 rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
1982 rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
1983 if (ha->mqenable) {
1984 req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
1985 req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
1986 rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
1987 rsp->rsp_q_out = &ha->mqiobase->isp25mq.rsp_q_out;
1988 }
1989
1990 if (qla2x00_initialize_adapter(base_vha)) {
1991 qla_printk(KERN_WARNING, ha,
1992 "Failed to initialize adapter\n");
1993
1994 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1995 "Adapter flags %x.\n",
1996 base_vha->host_no, base_vha->device_flags));
1997
1998 ret = -ENODEV;
1999 goto probe_failed;
2000 }
2001
2002 if (ha->mqenable) {
2003 if (qla25xx_setup_mode(base_vha)) {
2004 qla_printk(KERN_WARNING, ha,
2005 "Can't create queues, falling back to single"
2006 " queue mode\n");
2007 goto que_init;
2008 }
2009 }
2010
2011 if (ha->flags.running_gold_fw)
2012 goto skip_dpc;
2013
2014 /*
2015 * Startup the kernel thread for this host adapter
2016 */
2017 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
2018 "%s_dpc", base_vha->host_str);
2019 if (IS_ERR(ha->dpc_thread)) {
2020 qla_printk(KERN_WARNING, ha,
2021 "Unable to start DPC thread!\n");
2022 ret = PTR_ERR(ha->dpc_thread);
2023 goto probe_failed;
2024 }
2025
2026 skip_dpc:
2027 list_add_tail(&base_vha->list, &ha->vp_list);
2028 base_vha->host->irq = ha->pdev->irq;
2029
2030 /* Initialized the timer */
2031 qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
2032
2033 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
2034 base_vha->host_no, ha));
2035
2036 ret = scsi_add_host(host, &pdev->dev);
2037 if (ret)
2038 goto probe_failed;
2039
2040 base_vha->flags.init_done = 1;
2041 base_vha->flags.online = 1;
2042
2043 ha->isp_ops->enable_intrs(ha);
2044
2045 scsi_scan_host(host);
2046
2047 qla2x00_alloc_sysfs_attr(base_vha);
2048
2049 qla2x00_init_host_attr(base_vha);
2050
2051 qla2x00_dfs_setup(base_vha);
2052
2053 qla_printk(KERN_INFO, ha, "\n"
2054 " QLogic Fibre Channel HBA Driver: %s\n"
2055 " QLogic %s - %s\n"
2056 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
2057 qla2x00_version_str, ha->model_number,
2058 ha->model_desc ? ha->model_desc : "", pdev->device,
2059 ha->isp_ops->pci_info_str(base_vha, pci_info), pci_name(pdev),
2060 ha->flags.enable_64bit_addressing ? '+' : '-', base_vha->host_no,
2061 ha->isp_ops->fw_version_str(base_vha, fw_str));
2062
2063 return 0;
2064
2065 probe_init_failed:
2066 qla2x00_free_req_que(ha, req);
2067 qla2x00_free_rsp_que(ha, rsp);
2068 ha->max_req_queues = ha->max_rsp_queues = 0;
2069
2070 probe_failed:
2071 if (base_vha->timer_active)
2072 qla2x00_stop_timer(base_vha);
2073 base_vha->flags.online = 0;
2074 if (ha->dpc_thread) {
2075 struct task_struct *t = ha->dpc_thread;
2076
2077 ha->dpc_thread = NULL;
2078 kthread_stop(t);
2079 }
2080
2081 qla2x00_free_device(base_vha);
2082
2083 scsi_host_put(base_vha->host);
2084
2085 probe_hw_failed:
2086 if (ha->iobase)
2087 iounmap(ha->iobase);
2088
2089 pci_release_selected_regions(ha->pdev, ha->bars);
2090 kfree(ha);
2091 ha = NULL;
2092
2093 probe_out:
2094 pci_disable_device(pdev);
2095 return ret;
2096 }
2097
2098 static void
2099 qla2x00_remove_one(struct pci_dev *pdev)
2100 {
2101 scsi_qla_host_t *base_vha, *vha, *temp;
2102 struct qla_hw_data *ha;
2103
2104 base_vha = pci_get_drvdata(pdev);
2105 ha = base_vha->hw;
2106
2107 list_for_each_entry_safe(vha, temp, &ha->vp_list, list) {
2108 if (vha && vha->fc_vport)
2109 fc_vport_terminate(vha->fc_vport);
2110 }
2111
2112 set_bit(UNLOADING, &base_vha->dpc_flags);
2113
2114 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
2115
2116 qla2x00_dfs_remove(base_vha);
2117
2118 qla84xx_put_chip(base_vha);
2119
2120 /* Disable timer */
2121 if (base_vha->timer_active)
2122 qla2x00_stop_timer(base_vha);
2123
2124 base_vha->flags.online = 0;
2125
2126 /* Flush the work queue and remove it */
2127 if (ha->wq) {
2128 flush_workqueue(ha->wq);
2129 destroy_workqueue(ha->wq);
2130 ha->wq = NULL;
2131 }
2132
2133 /* Kill the kernel thread for this host */
2134 if (ha->dpc_thread) {
2135 struct task_struct *t = ha->dpc_thread;
2136
2137 /*
2138 * qla2xxx_wake_dpc checks for ->dpc_thread
2139 * so we need to zero it out.
2140 */
2141 ha->dpc_thread = NULL;
2142 kthread_stop(t);
2143 }
2144
2145 qla2x00_free_sysfs_attr(base_vha);
2146
2147 fc_remove_host(base_vha->host);
2148
2149 scsi_remove_host(base_vha->host);
2150
2151 qla2x00_free_device(base_vha);
2152
2153 scsi_host_put(base_vha->host);
2154
2155 if (ha->iobase)
2156 iounmap(ha->iobase);
2157
2158 if (ha->mqiobase)
2159 iounmap(ha->mqiobase);
2160
2161 pci_release_selected_regions(ha->pdev, ha->bars);
2162 kfree(ha);
2163 ha = NULL;
2164
2165 pci_disable_pcie_error_reporting(pdev);
2166
2167 pci_disable_device(pdev);
2168 pci_set_drvdata(pdev, NULL);
2169 }
2170
2171 static void
2172 qla2x00_free_device(scsi_qla_host_t *vha)
2173 {
2174 struct qla_hw_data *ha = vha->hw;
2175
2176 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
2177
2178 /* Disable timer */
2179 if (vha->timer_active)
2180 qla2x00_stop_timer(vha);
2181
2182 /* Kill the kernel thread for this host */
2183 if (ha->dpc_thread) {
2184 struct task_struct *t = ha->dpc_thread;
2185
2186 /*
2187 * qla2xxx_wake_dpc checks for ->dpc_thread
2188 * so we need to zero it out.
2189 */
2190 ha->dpc_thread = NULL;
2191 kthread_stop(t);
2192 }
2193
2194 qla25xx_delete_queues(vha);
2195
2196 if (ha->flags.fce_enabled)
2197 qla2x00_disable_fce_trace(vha, NULL, NULL);
2198
2199 if (ha->eft)
2200 qla2x00_disable_eft_trace(vha);
2201
2202 /* Stop currently executing firmware. */
2203 qla2x00_try_to_stop_firmware(vha);
2204
2205 vha->flags.online = 0;
2206
2207 /* turn-off interrupts on the card */
2208 if (ha->interrupts_on)
2209 ha->isp_ops->disable_intrs(ha);
2210
2211 qla2x00_free_irqs(vha);
2212
2213 qla2x00_mem_free(ha);
2214
2215 qla2x00_free_queues(ha);
2216 }
2217
2218 static inline void
2219 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
2220 int defer)
2221 {
2222 struct fc_rport *rport;
2223 scsi_qla_host_t *base_vha;
2224
2225 if (!fcport->rport)
2226 return;
2227
2228 rport = fcport->rport;
2229 if (defer) {
2230 base_vha = pci_get_drvdata(vha->hw->pdev);
2231 spin_lock_irq(vha->host->host_lock);
2232 fcport->drport = rport;
2233 spin_unlock_irq(vha->host->host_lock);
2234 set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
2235 qla2xxx_wake_dpc(base_vha);
2236 } else
2237 fc_remote_port_delete(rport);
2238 }
2239
2240 /*
2241 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
2242 *
2243 * Input: ha = adapter block pointer. fcport = port structure pointer.
2244 *
2245 * Return: None.
2246 *
2247 * Context:
2248 */
2249 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
2250 int do_login, int defer)
2251 {
2252 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2253 vha->vp_idx == fcport->vp_idx) {
2254 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2255 qla2x00_schedule_rport_del(vha, fcport, defer);
2256 }
2257 /*
2258 * We may need to retry the login, so don't change the state of the
2259 * port but do the retries.
2260 */
2261 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
2262 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2263
2264 if (!do_login)
2265 return;
2266
2267 if (fcport->login_retry == 0) {
2268 fcport->login_retry = vha->hw->login_retry_count;
2269 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2270
2271 DEBUG(printk("scsi(%ld): Port login retry: "
2272 "%02x%02x%02x%02x%02x%02x%02x%02x, "
2273 "id = 0x%04x retry cnt=%d\n",
2274 vha->host_no,
2275 fcport->port_name[0],
2276 fcport->port_name[1],
2277 fcport->port_name[2],
2278 fcport->port_name[3],
2279 fcport->port_name[4],
2280 fcport->port_name[5],
2281 fcport->port_name[6],
2282 fcport->port_name[7],
2283 fcport->loop_id,
2284 fcport->login_retry));
2285 }
2286 }
2287
2288 /*
2289 * qla2x00_mark_all_devices_lost
2290 * Updates fcport state when device goes offline.
2291 *
2292 * Input:
2293 * ha = adapter block pointer.
2294 * fcport = port structure pointer.
2295 *
2296 * Return:
2297 * None.
2298 *
2299 * Context:
2300 */
2301 void
2302 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
2303 {
2304 fc_port_t *fcport;
2305
2306 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2307 if (vha->vp_idx != 0 && vha->vp_idx != fcport->vp_idx)
2308 continue;
2309
2310 /*
2311 * No point in marking the device as lost, if the device is
2312 * already DEAD.
2313 */
2314 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
2315 continue;
2316 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2317 if (defer)
2318 qla2x00_schedule_rport_del(vha, fcport, defer);
2319 else if (vha->vp_idx == fcport->vp_idx)
2320 qla2x00_schedule_rport_del(vha, fcport, defer);
2321 }
2322 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2323 }
2324 }
2325
2326 /*
2327 * qla2x00_mem_alloc
2328 * Allocates adapter memory.
2329 *
2330 * Returns:
2331 * 0 = success.
2332 * !0 = failure.
2333 */
2334 static int
2335 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
2336 struct req_que **req, struct rsp_que **rsp)
2337 {
2338 char name[16];
2339
2340 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
2341 &ha->init_cb_dma, GFP_KERNEL);
2342 if (!ha->init_cb)
2343 goto fail;
2344
2345 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2346 &ha->gid_list_dma, GFP_KERNEL);
2347 if (!ha->gid_list)
2348 goto fail_free_init_cb;
2349
2350 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2351 if (!ha->srb_mempool)
2352 goto fail_free_gid_list;
2353
2354 /* Get memory for cached NVRAM */
2355 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2356 if (!ha->nvram)
2357 goto fail_free_srb_mempool;
2358
2359 snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
2360 ha->pdev->device);
2361 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2362 DMA_POOL_SIZE, 8, 0);
2363 if (!ha->s_dma_pool)
2364 goto fail_free_nvram;
2365
2366 /* Allocate memory for SNS commands */
2367 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2368 /* Get consistent memory allocated for SNS commands */
2369 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
2370 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
2371 if (!ha->sns_cmd)
2372 goto fail_dma_pool;
2373 } else {
2374 /* Get consistent memory allocated for MS IOCB */
2375 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2376 &ha->ms_iocb_dma);
2377 if (!ha->ms_iocb)
2378 goto fail_dma_pool;
2379 /* Get consistent memory allocated for CT SNS commands */
2380 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
2381 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
2382 if (!ha->ct_sns)
2383 goto fail_free_ms_iocb;
2384 }
2385
2386 /* Allocate memory for request ring */
2387 *req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
2388 if (!*req) {
2389 DEBUG(printk("Unable to allocate memory for req\n"));
2390 goto fail_req;
2391 }
2392 (*req)->length = req_len;
2393 (*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
2394 ((*req)->length + 1) * sizeof(request_t),
2395 &(*req)->dma, GFP_KERNEL);
2396 if (!(*req)->ring) {
2397 DEBUG(printk("Unable to allocate memory for req_ring\n"));
2398 goto fail_req_ring;
2399 }
2400 /* Allocate memory for response ring */
2401 *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
2402 if (!*rsp) {
2403 qla_printk(KERN_WARNING, ha,
2404 "Unable to allocate memory for rsp\n");
2405 goto fail_rsp;
2406 }
2407 (*rsp)->hw = ha;
2408 (*rsp)->length = rsp_len;
2409 (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
2410 ((*rsp)->length + 1) * sizeof(response_t),
2411 &(*rsp)->dma, GFP_KERNEL);
2412 if (!(*rsp)->ring) {
2413 qla_printk(KERN_WARNING, ha,
2414 "Unable to allocate memory for rsp_ring\n");
2415 goto fail_rsp_ring;
2416 }
2417 (*req)->rsp = *rsp;
2418 (*rsp)->req = *req;
2419 /* Allocate memory for NVRAM data for vports */
2420 if (ha->nvram_npiv_size) {
2421 ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
2422 ha->nvram_npiv_size, GFP_KERNEL);
2423 if (!ha->npiv_info) {
2424 qla_printk(KERN_WARNING, ha,
2425 "Unable to allocate memory for npiv info\n");
2426 goto fail_npiv_info;
2427 }
2428 } else
2429 ha->npiv_info = NULL;
2430
2431 /* Get consistent memory allocated for EX-INIT-CB. */
2432 if (IS_QLA81XX(ha)) {
2433 ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2434 &ha->ex_init_cb_dma);
2435 if (!ha->ex_init_cb)
2436 goto fail_ex_init_cb;
2437 }
2438
2439 INIT_LIST_HEAD(&ha->vp_list);
2440 return 1;
2441
2442 fail_ex_init_cb:
2443 kfree(ha->npiv_info);
2444 fail_npiv_info:
2445 dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
2446 sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
2447 (*rsp)->ring = NULL;
2448 (*rsp)->dma = 0;
2449 fail_rsp_ring:
2450 kfree(*rsp);
2451 fail_rsp:
2452 dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
2453 sizeof(request_t), (*req)->ring, (*req)->dma);
2454 (*req)->ring = NULL;
2455 (*req)->dma = 0;
2456 fail_req_ring:
2457 kfree(*req);
2458 fail_req:
2459 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2460 ha->ct_sns, ha->ct_sns_dma);
2461 ha->ct_sns = NULL;
2462 ha->ct_sns_dma = 0;
2463 fail_free_ms_iocb:
2464 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2465 ha->ms_iocb = NULL;
2466 ha->ms_iocb_dma = 0;
2467 fail_dma_pool:
2468 dma_pool_destroy(ha->s_dma_pool);
2469 ha->s_dma_pool = NULL;
2470 fail_free_nvram:
2471 kfree(ha->nvram);
2472 ha->nvram = NULL;
2473 fail_free_srb_mempool:
2474 mempool_destroy(ha->srb_mempool);
2475 ha->srb_mempool = NULL;
2476 fail_free_gid_list:
2477 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2478 ha->gid_list_dma);
2479 ha->gid_list = NULL;
2480 ha->gid_list_dma = 0;
2481 fail_free_init_cb:
2482 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
2483 ha->init_cb_dma);
2484 ha->init_cb = NULL;
2485 ha->init_cb_dma = 0;
2486 fail:
2487 DEBUG(printk("%s: Memory allocation failure\n", __func__));
2488 return -ENOMEM;
2489 }
2490
2491 /*
2492 * qla2x00_mem_free
2493 * Frees all adapter allocated memory.
2494 *
2495 * Input:
2496 * ha = adapter block pointer.
2497 */
2498 static void
2499 qla2x00_mem_free(struct qla_hw_data *ha)
2500 {
2501 if (ha->srb_mempool)
2502 mempool_destroy(ha->srb_mempool);
2503
2504 if (ha->fce)
2505 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
2506 ha->fce_dma);
2507
2508 if (ha->fw_dump) {
2509 if (ha->eft)
2510 dma_free_coherent(&ha->pdev->dev,
2511 ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
2512 vfree(ha->fw_dump);
2513 }
2514
2515 if (ha->dcbx_tlv)
2516 dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
2517 ha->dcbx_tlv, ha->dcbx_tlv_dma);
2518
2519 if (ha->xgmac_data)
2520 dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
2521 ha->xgmac_data, ha->xgmac_data_dma);
2522
2523 if (ha->sns_cmd)
2524 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2525 ha->sns_cmd, ha->sns_cmd_dma);
2526
2527 if (ha->ct_sns)
2528 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2529 ha->ct_sns, ha->ct_sns_dma);
2530
2531 if (ha->sfp_data)
2532 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2533
2534 if (ha->edc_data)
2535 dma_pool_free(ha->s_dma_pool, ha->edc_data, ha->edc_data_dma);
2536
2537 if (ha->ms_iocb)
2538 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2539
2540 if (ha->ex_init_cb)
2541 dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
2542
2543 if (ha->s_dma_pool)
2544 dma_pool_destroy(ha->s_dma_pool);
2545
2546 if (ha->gid_list)
2547 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2548 ha->gid_list_dma);
2549
2550 if (ha->init_cb)
2551 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2552 ha->init_cb, ha->init_cb_dma);
2553 vfree(ha->optrom_buffer);
2554 kfree(ha->nvram);
2555 kfree(ha->npiv_info);
2556
2557 ha->srb_mempool = NULL;
2558 ha->eft = NULL;
2559 ha->eft_dma = 0;
2560 ha->sns_cmd = NULL;
2561 ha->sns_cmd_dma = 0;
2562 ha->ct_sns = NULL;
2563 ha->ct_sns_dma = 0;
2564 ha->ms_iocb = NULL;
2565 ha->ms_iocb_dma = 0;
2566 ha->init_cb = NULL;
2567 ha->init_cb_dma = 0;
2568 ha->ex_init_cb = NULL;
2569 ha->ex_init_cb_dma = 0;
2570
2571 ha->s_dma_pool = NULL;
2572
2573 ha->gid_list = NULL;
2574 ha->gid_list_dma = 0;
2575
2576 ha->fw_dump = NULL;
2577 ha->fw_dumped = 0;
2578 ha->fw_dump_reading = 0;
2579 }
2580
2581 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
2582 struct qla_hw_data *ha)
2583 {
2584 struct Scsi_Host *host;
2585 struct scsi_qla_host *vha = NULL;
2586
2587 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
2588 if (host == NULL) {
2589 printk(KERN_WARNING
2590 "qla2xxx: Couldn't allocate host from scsi layer!\n");
2591 goto fail;
2592 }
2593
2594 /* Clear our data area */
2595 vha = shost_priv(host);
2596 memset(vha, 0, sizeof(scsi_qla_host_t));
2597
2598 vha->host = host;
2599 vha->host_no = host->host_no;
2600 vha->hw = ha;
2601
2602 INIT_LIST_HEAD(&vha->vp_fcports);
2603 INIT_LIST_HEAD(&vha->work_list);
2604 INIT_LIST_HEAD(&vha->list);
2605
2606 spin_lock_init(&vha->work_lock);
2607
2608 sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
2609 return vha;
2610
2611 fail:
2612 return vha;
2613 }
2614
2615 static struct qla_work_evt *
2616 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
2617 {
2618 struct qla_work_evt *e;
2619
2620 e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
2621 if (!e)
2622 return NULL;
2623
2624 INIT_LIST_HEAD(&e->list);
2625 e->type = type;
2626 e->flags = QLA_EVT_FLAG_FREE;
2627 return e;
2628 }
2629
2630 static int
2631 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
2632 {
2633 unsigned long flags;
2634
2635 spin_lock_irqsave(&vha->work_lock, flags);
2636 list_add_tail(&e->list, &vha->work_list);
2637 spin_unlock_irqrestore(&vha->work_lock, flags);
2638 qla2xxx_wake_dpc(vha);
2639
2640 return QLA_SUCCESS;
2641 }
2642
2643 int
2644 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
2645 u32 data)
2646 {
2647 struct qla_work_evt *e;
2648
2649 e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
2650 if (!e)
2651 return QLA_FUNCTION_FAILED;
2652
2653 e->u.aen.code = code;
2654 e->u.aen.data = data;
2655 return qla2x00_post_work(vha, e);
2656 }
2657
2658 int
2659 qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
2660 {
2661 struct qla_work_evt *e;
2662
2663 e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
2664 if (!e)
2665 return QLA_FUNCTION_FAILED;
2666
2667 memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
2668 return qla2x00_post_work(vha, e);
2669 }
2670
2671 #define qla2x00_post_async_work(name, type) \
2672 int qla2x00_post_async_##name##_work( \
2673 struct scsi_qla_host *vha, \
2674 fc_port_t *fcport, uint16_t *data) \
2675 { \
2676 struct qla_work_evt *e; \
2677 \
2678 e = qla2x00_alloc_work(vha, type); \
2679 if (!e) \
2680 return QLA_FUNCTION_FAILED; \
2681 \
2682 e->u.logio.fcport = fcport; \
2683 if (data) { \
2684 e->u.logio.data[0] = data[0]; \
2685 e->u.logio.data[1] = data[1]; \
2686 } \
2687 return qla2x00_post_work(vha, e); \
2688 }
2689
2690 qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
2691 qla2x00_post_async_work(login_done, QLA_EVT_ASYNC_LOGIN_DONE);
2692 qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
2693 qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE);
2694
2695 int
2696 qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
2697 {
2698 struct qla_work_evt *e;
2699
2700 e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
2701 if (!e)
2702 return QLA_FUNCTION_FAILED;
2703
2704 e->u.uevent.code = code;
2705 return qla2x00_post_work(vha, e);
2706 }
2707
2708 static void
2709 qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
2710 {
2711 char event_string[40];
2712 char *envp[] = { event_string, NULL };
2713
2714 switch (code) {
2715 case QLA_UEVENT_CODE_FW_DUMP:
2716 snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld",
2717 vha->host_no);
2718 break;
2719 default:
2720 /* do nothing */
2721 break;
2722 }
2723 kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
2724 }
2725
2726 void
2727 qla2x00_do_work(struct scsi_qla_host *vha)
2728 {
2729 struct qla_work_evt *e, *tmp;
2730 unsigned long flags;
2731 LIST_HEAD(work);
2732
2733 spin_lock_irqsave(&vha->work_lock, flags);
2734 list_splice_init(&vha->work_list, &work);
2735 spin_unlock_irqrestore(&vha->work_lock, flags);
2736
2737 list_for_each_entry_safe(e, tmp, &work, list) {
2738 list_del_init(&e->list);
2739
2740 switch (e->type) {
2741 case QLA_EVT_AEN:
2742 fc_host_post_event(vha->host, fc_get_event_number(),
2743 e->u.aen.code, e->u.aen.data);
2744 break;
2745 case QLA_EVT_IDC_ACK:
2746 qla81xx_idc_ack(vha, e->u.idc_ack.mb);
2747 break;
2748 case QLA_EVT_ASYNC_LOGIN:
2749 qla2x00_async_login(vha, e->u.logio.fcport,
2750 e->u.logio.data);
2751 break;
2752 case QLA_EVT_ASYNC_LOGIN_DONE:
2753 qla2x00_async_login_done(vha, e->u.logio.fcport,
2754 e->u.logio.data);
2755 break;
2756 case QLA_EVT_ASYNC_LOGOUT:
2757 qla2x00_async_logout(vha, e->u.logio.fcport);
2758 break;
2759 case QLA_EVT_ASYNC_LOGOUT_DONE:
2760 qla2x00_async_logout_done(vha, e->u.logio.fcport,
2761 e->u.logio.data);
2762 break;
2763 case QLA_EVT_UEVENT:
2764 qla2x00_uevent_emit(vha, e->u.uevent.code);
2765 break;
2766 }
2767 if (e->flags & QLA_EVT_FLAG_FREE)
2768 kfree(e);
2769 }
2770 }
2771
2772 /* Relogins all the fcports of a vport
2773 * Context: dpc thread
2774 */
2775 void qla2x00_relogin(struct scsi_qla_host *vha)
2776 {
2777 fc_port_t *fcport;
2778 int status;
2779 uint16_t next_loopid = 0;
2780 struct qla_hw_data *ha = vha->hw;
2781 uint16_t data[2];
2782
2783 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2784 /*
2785 * If the port is not ONLINE then try to login
2786 * to it if we haven't run out of retries.
2787 */
2788 if (atomic_read(&fcport->state) !=
2789 FCS_ONLINE && fcport->login_retry) {
2790
2791 fcport->login_retry--;
2792 if (fcport->flags & FCF_FABRIC_DEVICE) {
2793 if (fcport->flags & FCF_FCP2_DEVICE)
2794 ha->isp_ops->fabric_logout(vha,
2795 fcport->loop_id,
2796 fcport->d_id.b.domain,
2797 fcport->d_id.b.area,
2798 fcport->d_id.b.al_pa);
2799
2800 if (IS_ALOGIO_CAPABLE(ha)) {
2801 data[0] = 0;
2802 data[1] = QLA_LOGIO_LOGIN_RETRIED;
2803 status = qla2x00_post_async_login_work(
2804 vha, fcport, data);
2805 if (status == QLA_SUCCESS)
2806 continue;
2807 /* Attempt a retry. */
2808 status = 1;
2809 } else
2810 status = qla2x00_fabric_login(vha,
2811 fcport, &next_loopid);
2812 } else
2813 status = qla2x00_local_device_login(vha,
2814 fcport);
2815
2816 if (status == QLA_SUCCESS) {
2817 fcport->old_loop_id = fcport->loop_id;
2818
2819 DEBUG(printk("scsi(%ld): port login OK: logged "
2820 "in ID 0x%x\n", vha->host_no, fcport->loop_id));
2821
2822 qla2x00_update_fcport(vha, fcport);
2823
2824 } else if (status == 1) {
2825 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2826 /* retry the login again */
2827 DEBUG(printk("scsi(%ld): Retrying"
2828 " %d login again loop_id 0x%x\n",
2829 vha->host_no, fcport->login_retry,
2830 fcport->loop_id));
2831 } else {
2832 fcport->login_retry = 0;
2833 }
2834
2835 if (fcport->login_retry == 0 && status != QLA_SUCCESS)
2836 fcport->loop_id = FC_NO_LOOP_ID;
2837 }
2838 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2839 break;
2840 }
2841 }
2842
2843 /**************************************************************************
2844 * qla2x00_do_dpc
2845 * This kernel thread is a task that is schedule by the interrupt handler
2846 * to perform the background processing for interrupts.
2847 *
2848 * Notes:
2849 * This task always run in the context of a kernel thread. It
2850 * is kick-off by the driver's detect code and starts up
2851 * up one per adapter. It immediately goes to sleep and waits for
2852 * some fibre event. When either the interrupt handler or
2853 * the timer routine detects a event it will one of the task
2854 * bits then wake us up.
2855 **************************************************************************/
2856 static int
2857 qla2x00_do_dpc(void *data)
2858 {
2859 int rval;
2860 scsi_qla_host_t *base_vha;
2861 struct qla_hw_data *ha;
2862
2863 ha = (struct qla_hw_data *)data;
2864 base_vha = pci_get_drvdata(ha->pdev);
2865
2866 set_user_nice(current, -20);
2867
2868 while (!kthread_should_stop()) {
2869 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2870
2871 set_current_state(TASK_INTERRUPTIBLE);
2872 schedule();
2873 __set_current_state(TASK_RUNNING);
2874
2875 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2876
2877 /* Initialization not yet finished. Don't do anything yet. */
2878 if (!base_vha->flags.init_done)
2879 continue;
2880
2881 if (ha->flags.eeh_busy) {
2882 DEBUG17(qla_printk(KERN_WARNING, ha,
2883 "qla2x00_do_dpc: dpc_flags: %lx\n",
2884 base_vha->dpc_flags));
2885 continue;
2886 }
2887
2888 DEBUG3(printk("scsi(%ld): DPC handler\n", base_vha->host_no));
2889
2890 ha->dpc_active = 1;
2891
2892 if (ha->flags.mbox_busy) {
2893 ha->dpc_active = 0;
2894 continue;
2895 }
2896
2897 qla2x00_do_work(base_vha);
2898
2899 if (test_and_clear_bit(ISP_ABORT_NEEDED,
2900 &base_vha->dpc_flags)) {
2901
2902 DEBUG(printk("scsi(%ld): dpc: sched "
2903 "qla2x00_abort_isp ha = %p\n",
2904 base_vha->host_no, ha));
2905 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
2906 &base_vha->dpc_flags))) {
2907
2908 if (qla2x00_abort_isp(base_vha)) {
2909 /* failed. retry later */
2910 set_bit(ISP_ABORT_NEEDED,
2911 &base_vha->dpc_flags);
2912 }
2913 clear_bit(ABORT_ISP_ACTIVE,
2914 &base_vha->dpc_flags);
2915 }
2916
2917 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
2918 base_vha->host_no));
2919 }
2920
2921 if (test_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags)) {
2922 qla2x00_update_fcports(base_vha);
2923 clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
2924 }
2925
2926 if (test_and_clear_bit(RESET_MARKER_NEEDED,
2927 &base_vha->dpc_flags) &&
2928 (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
2929
2930 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
2931 base_vha->host_no));
2932
2933 qla2x00_rst_aen(base_vha);
2934 clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
2935 }
2936
2937 /* Retry each device up to login retry count */
2938 if ((test_and_clear_bit(RELOGIN_NEEDED,
2939 &base_vha->dpc_flags)) &&
2940 !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
2941 atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
2942
2943 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
2944 base_vha->host_no));
2945 qla2x00_relogin(base_vha);
2946
2947 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
2948 base_vha->host_no));
2949 }
2950
2951 if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
2952 &base_vha->dpc_flags)) {
2953
2954 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
2955 base_vha->host_no));
2956
2957 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
2958 &base_vha->dpc_flags))) {
2959
2960 rval = qla2x00_loop_resync(base_vha);
2961
2962 clear_bit(LOOP_RESYNC_ACTIVE,
2963 &base_vha->dpc_flags);
2964 }
2965
2966 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
2967 base_vha->host_no));
2968 }
2969
2970 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
2971 atomic_read(&base_vha->loop_state) == LOOP_READY) {
2972 clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
2973 qla2xxx_flash_npiv_conf(base_vha);
2974 }
2975
2976 if (!ha->interrupts_on)
2977 ha->isp_ops->enable_intrs(ha);
2978
2979 if (test_and_clear_bit(BEACON_BLINK_NEEDED,
2980 &base_vha->dpc_flags))
2981 ha->isp_ops->beacon_blink(base_vha);
2982
2983 qla2x00_do_dpc_all_vps(base_vha);
2984
2985 ha->dpc_active = 0;
2986 } /* End of while(1) */
2987
2988 DEBUG(printk("scsi(%ld): DPC handler exiting\n", base_vha->host_no));
2989
2990 /*
2991 * Make sure that nobody tries to wake us up again.
2992 */
2993 ha->dpc_active = 0;
2994
2995 /* Cleanup any residual CTX SRBs. */
2996 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
2997
2998 return 0;
2999 }
3000
3001 void
3002 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
3003 {
3004 struct qla_hw_data *ha = vha->hw;
3005 struct task_struct *t = ha->dpc_thread;
3006
3007 if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
3008 wake_up_process(t);
3009 }
3010
3011 /*
3012 * qla2x00_rst_aen
3013 * Processes asynchronous reset.
3014 *
3015 * Input:
3016 * ha = adapter block pointer.
3017 */
3018 static void
3019 qla2x00_rst_aen(scsi_qla_host_t *vha)
3020 {
3021 if (vha->flags.online && !vha->flags.reset_active &&
3022 !atomic_read(&vha->loop_down_timer) &&
3023 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
3024 do {
3025 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
3026
3027 /*
3028 * Issue marker command only when we are going to start
3029 * the I/O.
3030 */
3031 vha->marker_needed = 1;
3032 } while (!atomic_read(&vha->loop_down_timer) &&
3033 (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
3034 }
3035 }
3036
3037 static void
3038 qla2x00_sp_free_dma(srb_t *sp)
3039 {
3040 struct scsi_cmnd *cmd = sp->cmd;
3041
3042 if (sp->flags & SRB_DMA_VALID) {
3043 scsi_dma_unmap(cmd);
3044 sp->flags &= ~SRB_DMA_VALID;
3045 }
3046 CMD_SP(cmd) = NULL;
3047 }
3048
3049 void
3050 qla2x00_sp_compl(struct qla_hw_data *ha, srb_t *sp)
3051 {
3052 struct scsi_cmnd *cmd = sp->cmd;
3053
3054 qla2x00_sp_free_dma(sp);
3055
3056 mempool_free(sp, ha->srb_mempool);
3057
3058 cmd->scsi_done(cmd);
3059 }
3060
3061 /**************************************************************************
3062 * qla2x00_timer
3063 *
3064 * Description:
3065 * One second timer
3066 *
3067 * Context: Interrupt
3068 ***************************************************************************/
3069 void
3070 qla2x00_timer(scsi_qla_host_t *vha)
3071 {
3072 unsigned long cpu_flags = 0;
3073 fc_port_t *fcport;
3074 int start_dpc = 0;
3075 int index;
3076 srb_t *sp;
3077 int t;
3078 uint16_t w;
3079 struct qla_hw_data *ha = vha->hw;
3080 struct req_que *req;
3081
3082 /* Hardware read to raise pending EEH errors during mailbox waits. */
3083 if (!pci_channel_offline(ha->pdev))
3084 pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
3085 /*
3086 * Ports - Port down timer.
3087 *
3088 * Whenever, a port is in the LOST state we start decrementing its port
3089 * down timer every second until it reaches zero. Once it reaches zero
3090 * the port it marked DEAD.
3091 */
3092 t = 0;
3093 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3094 if (fcport->port_type != FCT_TARGET)
3095 continue;
3096
3097 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
3098
3099 if (atomic_read(&fcport->port_down_timer) == 0)
3100 continue;
3101
3102 if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
3103 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
3104
3105 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
3106 "%d remaining\n",
3107 vha->host_no,
3108 t, atomic_read(&fcport->port_down_timer)));
3109 }
3110 t++;
3111 } /* End of for fcport */
3112
3113
3114 /* Loop down handler. */
3115 if (atomic_read(&vha->loop_down_timer) > 0 &&
3116 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
3117 && vha->flags.online) {
3118
3119 if (atomic_read(&vha->loop_down_timer) ==
3120 vha->loop_down_abort_time) {
3121
3122 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
3123 "queues before time expire\n",
3124 vha->host_no));
3125
3126 if (!IS_QLA2100(ha) && vha->link_down_timeout)
3127 atomic_set(&vha->loop_state, LOOP_DEAD);
3128
3129 /*
3130 * Schedule an ISP abort to return any FCP2-device
3131 * commands.
3132 */
3133 /* NPIV - scan physical port only */
3134 if (!vha->vp_idx) {
3135 spin_lock_irqsave(&ha->hardware_lock,
3136 cpu_flags);
3137 req = ha->req_q_map[0];
3138 for (index = 1;
3139 index < MAX_OUTSTANDING_COMMANDS;
3140 index++) {
3141 fc_port_t *sfcp;
3142
3143 sp = req->outstanding_cmds[index];
3144 if (!sp)
3145 continue;
3146 if (sp->ctx)
3147 continue;
3148 sfcp = sp->fcport;
3149 if (!(sfcp->flags & FCF_FCP2_DEVICE))
3150 continue;
3151
3152 set_bit(ISP_ABORT_NEEDED,
3153 &vha->dpc_flags);
3154 break;
3155 }
3156 spin_unlock_irqrestore(&ha->hardware_lock,
3157 cpu_flags);
3158 }
3159 start_dpc++;
3160 }
3161
3162 /* if the loop has been down for 4 minutes, reinit adapter */
3163 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
3164 if (!(vha->device_flags & DFLG_NO_CABLE)) {
3165 DEBUG(printk("scsi(%ld): Loop down - "
3166 "aborting ISP.\n",
3167 vha->host_no));
3168 qla_printk(KERN_WARNING, ha,
3169 "Loop down - aborting ISP.\n");
3170
3171 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3172 }
3173 }
3174 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
3175 vha->host_no,
3176 atomic_read(&vha->loop_down_timer)));
3177 }
3178
3179 /* Check if beacon LED needs to be blinked */
3180 if (ha->beacon_blink_led == 1) {
3181 set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
3182 start_dpc++;
3183 }
3184
3185 /* Process any deferred work. */
3186 if (!list_empty(&vha->work_list))
3187 start_dpc++;
3188
3189 /* Schedule the DPC routine if needed */
3190 if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
3191 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
3192 test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
3193 start_dpc ||
3194 test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
3195 test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
3196 test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
3197 test_bit(RELOGIN_NEEDED, &vha->dpc_flags)))
3198 qla2xxx_wake_dpc(vha);
3199
3200 qla2x00_restart_timer(vha, WATCH_INTERVAL);
3201 }
3202
3203 /* Firmware interface routines. */
3204
3205 #define FW_BLOBS 7
3206 #define FW_ISP21XX 0
3207 #define FW_ISP22XX 1
3208 #define FW_ISP2300 2
3209 #define FW_ISP2322 3
3210 #define FW_ISP24XX 4
3211 #define FW_ISP25XX 5
3212 #define FW_ISP81XX 6
3213
3214 #define FW_FILE_ISP21XX "ql2100_fw.bin"
3215 #define FW_FILE_ISP22XX "ql2200_fw.bin"
3216 #define FW_FILE_ISP2300 "ql2300_fw.bin"
3217 #define FW_FILE_ISP2322 "ql2322_fw.bin"
3218 #define FW_FILE_ISP24XX "ql2400_fw.bin"
3219 #define FW_FILE_ISP25XX "ql2500_fw.bin"
3220 #define FW_FILE_ISP81XX "ql8100_fw.bin"
3221
3222 static DEFINE_MUTEX(qla_fw_lock);
3223
3224 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
3225 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
3226 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
3227 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
3228 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
3229 { .name = FW_FILE_ISP24XX, },
3230 { .name = FW_FILE_ISP25XX, },
3231 { .name = FW_FILE_ISP81XX, },
3232 };
3233
3234 struct fw_blob *
3235 qla2x00_request_firmware(scsi_qla_host_t *vha)
3236 {
3237 struct qla_hw_data *ha = vha->hw;
3238 struct fw_blob *blob;
3239
3240 blob = NULL;
3241 if (IS_QLA2100(ha)) {
3242 blob = &qla_fw_blobs[FW_ISP21XX];
3243 } else if (IS_QLA2200(ha)) {
3244 blob = &qla_fw_blobs[FW_ISP22XX];
3245 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
3246 blob = &qla_fw_blobs[FW_ISP2300];
3247 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
3248 blob = &qla_fw_blobs[FW_ISP2322];
3249 } else if (IS_QLA24XX_TYPE(ha)) {
3250 blob = &qla_fw_blobs[FW_ISP24XX];
3251 } else if (IS_QLA25XX(ha)) {
3252 blob = &qla_fw_blobs[FW_ISP25XX];
3253 } else if (IS_QLA81XX(ha)) {
3254 blob = &qla_fw_blobs[FW_ISP81XX];
3255 }
3256
3257 mutex_lock(&qla_fw_lock);
3258 if (blob->fw)
3259 goto out;
3260
3261 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
3262 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
3263 "(%s).\n", vha->host_no, blob->name));
3264 blob->fw = NULL;
3265 blob = NULL;
3266 goto out;
3267 }
3268
3269 out:
3270 mutex_unlock(&qla_fw_lock);
3271 return blob;
3272 }
3273
3274 static void
3275 qla2x00_release_firmware(void)
3276 {
3277 int idx;
3278
3279 mutex_lock(&qla_fw_lock);
3280 for (idx = 0; idx < FW_BLOBS; idx++)
3281 if (qla_fw_blobs[idx].fw)
3282 release_firmware(qla_fw_blobs[idx].fw);
3283 mutex_unlock(&qla_fw_lock);
3284 }
3285
3286 static pci_ers_result_t
3287 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
3288 {
3289 scsi_qla_host_t *vha = pci_get_drvdata(pdev);
3290 struct qla_hw_data *ha = vha->hw;
3291
3292 DEBUG2(qla_printk(KERN_WARNING, ha, "error_detected:state %x\n",
3293 state));
3294
3295 switch (state) {
3296 case pci_channel_io_normal:
3297 ha->flags.eeh_busy = 0;
3298 return PCI_ERS_RESULT_CAN_RECOVER;
3299 case pci_channel_io_frozen:
3300 ha->flags.eeh_busy = 1;
3301 qla2x00_free_irqs(vha);
3302 pci_disable_device(pdev);
3303 return PCI_ERS_RESULT_NEED_RESET;
3304 case pci_channel_io_perm_failure:
3305 ha->flags.pci_channel_io_perm_failure = 1;
3306 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
3307 return PCI_ERS_RESULT_DISCONNECT;
3308 }
3309 return PCI_ERS_RESULT_NEED_RESET;
3310 }
3311
3312 static pci_ers_result_t
3313 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
3314 {
3315 int risc_paused = 0;
3316 uint32_t stat;
3317 unsigned long flags;
3318 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3319 struct qla_hw_data *ha = base_vha->hw;
3320 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3321 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
3322
3323 spin_lock_irqsave(&ha->hardware_lock, flags);
3324 if (IS_QLA2100(ha) || IS_QLA2200(ha)){
3325 stat = RD_REG_DWORD(&reg->hccr);
3326 if (stat & HCCR_RISC_PAUSE)
3327 risc_paused = 1;
3328 } else if (IS_QLA23XX(ha)) {
3329 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
3330 if (stat & HSR_RISC_PAUSED)
3331 risc_paused = 1;
3332 } else if (IS_FWI2_CAPABLE(ha)) {
3333 stat = RD_REG_DWORD(&reg24->host_status);
3334 if (stat & HSRX_RISC_PAUSED)
3335 risc_paused = 1;
3336 }
3337 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3338
3339 if (risc_paused) {
3340 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
3341 "Dumping firmware!\n");
3342 ha->isp_ops->fw_dump(base_vha, 0);
3343
3344 return PCI_ERS_RESULT_NEED_RESET;
3345 } else
3346 return PCI_ERS_RESULT_RECOVERED;
3347 }
3348
3349 static pci_ers_result_t
3350 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
3351 {
3352 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
3353 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3354 struct qla_hw_data *ha = base_vha->hw;
3355 struct rsp_que *rsp;
3356 int rc, retries = 10;
3357
3358 DEBUG17(qla_printk(KERN_WARNING, ha, "slot_reset\n"));
3359
3360 /* Workaround: qla2xxx driver which access hardware earlier
3361 * needs error state to be pci_channel_io_online.
3362 * Otherwise mailbox command timesout.
3363 */
3364 pdev->error_state = pci_channel_io_normal;
3365
3366 pci_restore_state(pdev);
3367
3368 /* pci_restore_state() clears the saved_state flag of the device
3369 * save restored state which resets saved_state flag
3370 */
3371 pci_save_state(pdev);
3372
3373 if (ha->mem_only)
3374 rc = pci_enable_device_mem(pdev);
3375 else
3376 rc = pci_enable_device(pdev);
3377
3378 if (rc) {
3379 qla_printk(KERN_WARNING, ha,
3380 "Can't re-enable PCI device after reset.\n");
3381 return ret;
3382 }
3383
3384 rsp = ha->rsp_q_map[0];
3385 if (qla2x00_request_irqs(ha, rsp))
3386 return ret;
3387
3388 if (ha->isp_ops->pci_config(base_vha))
3389 return ret;
3390
3391 while (ha->flags.mbox_busy && retries--)
3392 msleep(1000);
3393
3394 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3395 if (qla2x00_abort_isp(base_vha) == QLA_SUCCESS)
3396 ret = PCI_ERS_RESULT_RECOVERED;
3397 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3398
3399 pci_cleanup_aer_uncorrect_error_status(pdev);
3400
3401 DEBUG17(qla_printk(KERN_WARNING, ha,
3402 "slot_reset-return:ret=%x\n", ret));
3403
3404 return ret;
3405 }
3406
3407 static void
3408 qla2xxx_pci_resume(struct pci_dev *pdev)
3409 {
3410 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3411 struct qla_hw_data *ha = base_vha->hw;
3412 int ret;
3413
3414 DEBUG17(qla_printk(KERN_WARNING, ha, "pci_resume\n"));
3415
3416 ret = qla2x00_wait_for_hba_online(base_vha);
3417 if (ret != QLA_SUCCESS) {
3418 qla_printk(KERN_ERR, ha,
3419 "the device failed to resume I/O "
3420 "from slot/link_reset");
3421 }
3422
3423 ha->flags.eeh_busy = 0;
3424 }
3425
3426 static struct pci_error_handlers qla2xxx_err_handler = {
3427 .error_detected = qla2xxx_pci_error_detected,
3428 .mmio_enabled = qla2xxx_pci_mmio_enabled,
3429 .slot_reset = qla2xxx_pci_slot_reset,
3430 .resume = qla2xxx_pci_resume,
3431 };
3432
3433 static struct pci_device_id qla2xxx_pci_tbl[] = {
3434 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
3435 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
3436 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
3437 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
3438 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
3439 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
3440 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
3441 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
3442 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
3443 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
3444 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
3445 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
3446 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
3447 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
3448 { 0 },
3449 };
3450 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
3451
3452 static struct pci_driver qla2xxx_pci_driver = {
3453 .name = QLA2XXX_DRIVER_NAME,
3454 .driver = {
3455 .owner = THIS_MODULE,
3456 },
3457 .id_table = qla2xxx_pci_tbl,
3458 .probe = qla2x00_probe_one,
3459 .remove = qla2x00_remove_one,
3460 .err_handler = &qla2xxx_err_handler,
3461 };
3462
3463 /**
3464 * qla2x00_module_init - Module initialization.
3465 **/
3466 static int __init
3467 qla2x00_module_init(void)
3468 {
3469 int ret = 0;
3470
3471 /* Allocate cache for SRBs. */
3472 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
3473 SLAB_HWCACHE_ALIGN, NULL);
3474 if (srb_cachep == NULL) {
3475 printk(KERN_ERR
3476 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
3477 return -ENOMEM;
3478 }
3479
3480 /* Derive version string. */
3481 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
3482 if (ql2xextended_error_logging)
3483 strcat(qla2x00_version_str, "-debug");
3484
3485 qla2xxx_transport_template =
3486 fc_attach_transport(&qla2xxx_transport_functions);
3487 if (!qla2xxx_transport_template) {
3488 kmem_cache_destroy(srb_cachep);
3489 return -ENODEV;
3490 }
3491 qla2xxx_transport_vport_template =
3492 fc_attach_transport(&qla2xxx_transport_vport_functions);
3493 if (!qla2xxx_transport_vport_template) {
3494 kmem_cache_destroy(srb_cachep);
3495 fc_release_transport(qla2xxx_transport_template);
3496 return -ENODEV;
3497 }
3498
3499 printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n",
3500 qla2x00_version_str);
3501 ret = pci_register_driver(&qla2xxx_pci_driver);
3502 if (ret) {
3503 kmem_cache_destroy(srb_cachep);
3504 fc_release_transport(qla2xxx_transport_template);
3505 fc_release_transport(qla2xxx_transport_vport_template);
3506 }
3507 return ret;
3508 }
3509
3510 /**
3511 * qla2x00_module_exit - Module cleanup.
3512 **/
3513 static void __exit
3514 qla2x00_module_exit(void)
3515 {
3516 pci_unregister_driver(&qla2xxx_pci_driver);
3517 qla2x00_release_firmware();
3518 kmem_cache_destroy(srb_cachep);
3519 fc_release_transport(qla2xxx_transport_template);
3520 fc_release_transport(qla2xxx_transport_vport_template);
3521 }
3522
3523 module_init(qla2x00_module_init);
3524 module_exit(qla2x00_module_exit);
3525
3526 MODULE_AUTHOR("QLogic Corporation");
3527 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
3528 MODULE_LICENSE("GPL");
3529 MODULE_VERSION(QLA2XXX_VERSION);
3530 MODULE_FIRMWARE(FW_FILE_ISP21XX);
3531 MODULE_FIRMWARE(FW_FILE_ISP22XX);
3532 MODULE_FIRMWARE(FW_FILE_ISP2300);
3533 MODULE_FIRMWARE(FW_FILE_ISP2322);
3534 MODULE_FIRMWARE(FW_FILE_ISP24XX);
3535 MODULE_FIRMWARE(FW_FILE_ISP25XX);
Linux with added FPC-III support