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close_port, kpacket_gen kmalloc oom, formard.c wake_sender/skb receive oom handling...
[cor_2_6_31.git] / drivers / scsi / qla2xxx / qla_os.c
blobf0396e79b6fa159a4a02226ba23ae171a7516652
1 /*
2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2008 QLogic Corporation
4 *
5 * See LICENSE.qla2xxx for copyright and licensing details.
6 */
7 #include "qla_def.h"
8
9 #include <linux/moduleparam.h>
10 #include <linux/vmalloc.h>
11 #include <linux/delay.h>
12 #include <linux/kthread.h>
13 #include <linux/mutex.h>
14
15 #include <scsi/scsi_tcq.h>
16 #include <scsi/scsicam.h>
17 #include <scsi/scsi_transport.h>
18 #include <scsi/scsi_transport_fc.h>
19
20 /*
21 * Driver version
22 */
23 char qla2x00_version_str[40];
24
25 /*
26 * SRB allocation cache
27 */
28 static struct kmem_cache *srb_cachep;
29
30 int ql2xlogintimeout = 20;
31 module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR);
32 MODULE_PARM_DESC(ql2xlogintimeout,
33 "Login timeout value in seconds.");
34
35 int qlport_down_retry;
36 module_param(qlport_down_retry, int, S_IRUGO|S_IRUSR);
37 MODULE_PARM_DESC(qlport_down_retry,
38 "Maximum number of command retries to a port that returns "
39 "a PORT-DOWN status.");
40
41 int ql2xplogiabsentdevice;
42 module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
43 MODULE_PARM_DESC(ql2xplogiabsentdevice,
44 "Option to enable PLOGI to devices that are not present after "
45 "a Fabric scan. This is needed for several broken switches. "
46 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
47
48 int ql2xloginretrycount = 0;
49 module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR);
50 MODULE_PARM_DESC(ql2xloginretrycount,
51 "Specify an alternate value for the NVRAM login retry count.");
52
53 int ql2xallocfwdump = 1;
54 module_param(ql2xallocfwdump, int, S_IRUGO|S_IRUSR);
55 MODULE_PARM_DESC(ql2xallocfwdump,
56 "Option to enable allocation of memory for a firmware dump "
57 "during HBA initialization. Memory allocation requirements "
58 "vary by ISP type. Default is 1 - allocate memory.");
59
60 int ql2xextended_error_logging;
61 module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
62 MODULE_PARM_DESC(ql2xextended_error_logging,
63 "Option to enable extended error logging, "
64 "Default is 0 - no logging. 1 - log errors.");
65
66 static void qla2x00_free_device(scsi_qla_host_t *);
67
68 int ql2xfdmienable=1;
69 module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR);
70 MODULE_PARM_DESC(ql2xfdmienable,
71 "Enables FDMI registratons "
72 "Default is 0 - no FDMI. 1 - perfom FDMI.");
73
74 #define MAX_Q_DEPTH 32
75 static int ql2xmaxqdepth = MAX_Q_DEPTH;
76 module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
77 MODULE_PARM_DESC(ql2xmaxqdepth,
78 "Maximum queue depth to report for target devices.");
79
80 int ql2xqfulltracking = 1;
81 module_param(ql2xqfulltracking, int, S_IRUGO|S_IWUSR);
82 MODULE_PARM_DESC(ql2xqfulltracking,
83 "Controls whether the driver tracks queue full status "
84 "returns and dynamically adjusts a scsi device's queue "
85 "depth. Default is 1, perform tracking. Set to 0 to "
86 "disable dynamic tracking and adjustment of queue depth.");
87
88 int ql2xqfullrampup = 120;
89 module_param(ql2xqfullrampup, int, S_IRUGO|S_IWUSR);
90 MODULE_PARM_DESC(ql2xqfullrampup,
91 "Number of seconds to wait to begin to ramp-up the queue "
92 "depth for a device after a queue-full condition has been "
93 "detected. Default is 120 seconds.");
94
95 int ql2xiidmaenable=1;
96 module_param(ql2xiidmaenable, int, S_IRUGO|S_IRUSR);
97 MODULE_PARM_DESC(ql2xiidmaenable,
98 "Enables iIDMA settings "
99 "Default is 1 - perform iIDMA. 0 - no iIDMA.");
100
101 int ql2xmaxqueues = 1;
102 module_param(ql2xmaxqueues, int, S_IRUGO|S_IRUSR);
103 MODULE_PARM_DESC(ql2xmaxqueues,
104 "Enables MQ settings "
105 "Default is 1 for single queue. Set it to number \
106 of queues in MQ mode.");
107
108 int ql2xmultique_tag;
109 module_param(ql2xmultique_tag, int, S_IRUGO|S_IRUSR);
110 MODULE_PARM_DESC(ql2xmultique_tag,
111 "Enables CPU affinity settings for the driver "
112 "Default is 0 for no affinity of request and response IO. "
113 "Set it to 1 to turn on the cpu affinity.");
114
115 int ql2xfwloadbin;
116 module_param(ql2xfwloadbin, int, S_IRUGO|S_IRUSR);
117 MODULE_PARM_DESC(ql2xfwloadbin,
118 "Option to specify location from which to load ISP firmware:\n"
119 " 2 -- load firmware via the request_firmware() (hotplug)\n"
120 " interface.\n"
121 " 1 -- load firmware from flash.\n"
122 " 0 -- use default semantics.\n");
123
124 /*
125 * SCSI host template entry points
126 */
127 static int qla2xxx_slave_configure(struct scsi_device * device);
128 static int qla2xxx_slave_alloc(struct scsi_device *);
129 static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
130 static void qla2xxx_scan_start(struct Scsi_Host *);
131 static void qla2xxx_slave_destroy(struct scsi_device *);
132 static int qla2xxx_queuecommand(struct scsi_cmnd *cmd,
133 void (*fn)(struct scsi_cmnd *));
134 static int qla2xxx_eh_abort(struct scsi_cmnd *);
135 static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
136 static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
137 static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
138 static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
139
140 static int qla2x00_change_queue_depth(struct scsi_device *, int);
141 static int qla2x00_change_queue_type(struct scsi_device *, int);
142
143 struct scsi_host_template qla2xxx_driver_template = {
144 .module = THIS_MODULE,
145 .name = QLA2XXX_DRIVER_NAME,
146 .queuecommand = qla2xxx_queuecommand,
147
148 .eh_abort_handler = qla2xxx_eh_abort,
149 .eh_device_reset_handler = qla2xxx_eh_device_reset,
150 .eh_target_reset_handler = qla2xxx_eh_target_reset,
151 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
152 .eh_host_reset_handler = qla2xxx_eh_host_reset,
153
154 .slave_configure = qla2xxx_slave_configure,
155
156 .slave_alloc = qla2xxx_slave_alloc,
157 .slave_destroy = qla2xxx_slave_destroy,
158 .scan_finished = qla2xxx_scan_finished,
159 .scan_start = qla2xxx_scan_start,
160 .change_queue_depth = qla2x00_change_queue_depth,
161 .change_queue_type = qla2x00_change_queue_type,
162 .this_id = -1,
163 .cmd_per_lun = 3,
164 .use_clustering = ENABLE_CLUSTERING,
165 .sg_tablesize = SG_ALL,
166
167 .max_sectors = 0xFFFF,
168 .shost_attrs = qla2x00_host_attrs,
169 };
170
171 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
172 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
173
174 /* TODO Convert to inlines
175 *
176 * Timer routines
177 */
178
179 __inline__ void
180 qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval)
181 {
182 init_timer(&vha->timer);
183 vha->timer.expires = jiffies + interval * HZ;
184 vha->timer.data = (unsigned long)vha;
185 vha->timer.function = (void (*)(unsigned long))func;
186 add_timer(&vha->timer);
187 vha->timer_active = 1;
188 }
189
190 static inline void
191 qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
192 {
193 mod_timer(&vha->timer, jiffies + interval * HZ);
194 }
195
196 static __inline__ void
197 qla2x00_stop_timer(scsi_qla_host_t *vha)
198 {
199 del_timer_sync(&vha->timer);
200 vha->timer_active = 0;
201 }
202
203 static int qla2x00_do_dpc(void *data);
204
205 static void qla2x00_rst_aen(scsi_qla_host_t *);
206
207 static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
208 struct req_que **, struct rsp_que **);
209 static void qla2x00_mem_free(struct qla_hw_data *);
210 static void qla2x00_sp_free_dma(srb_t *);
211
212 /* -------------------------------------------------------------------------- */
213 static int qla2x00_alloc_queues(struct qla_hw_data *ha)
214 {
215 ha->req_q_map = kzalloc(sizeof(struct req_que *) * ha->max_req_queues,
216 GFP_KERNEL);
217 if (!ha->req_q_map) {
218 qla_printk(KERN_WARNING, ha,
219 "Unable to allocate memory for request queue ptrs\n");
220 goto fail_req_map;
221 }
222
223 ha->rsp_q_map = kzalloc(sizeof(struct rsp_que *) * ha->max_rsp_queues,
224 GFP_KERNEL);
225 if (!ha->rsp_q_map) {
226 qla_printk(KERN_WARNING, ha,
227 "Unable to allocate memory for response queue ptrs\n");
228 goto fail_rsp_map;
229 }
230 set_bit(0, ha->rsp_qid_map);
231 set_bit(0, ha->req_qid_map);
232 return 1;
233
234 fail_rsp_map:
235 kfree(ha->req_q_map);
236 ha->req_q_map = NULL;
237 fail_req_map:
238 return -ENOMEM;
239 }
240
241 static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
242 {
243 if (req && req->ring)
244 dma_free_coherent(&ha->pdev->dev,
245 (req->length + 1) * sizeof(request_t),
246 req->ring, req->dma);
247
248 kfree(req);
249 req = NULL;
250 }
251
252 static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
253 {
254 if (rsp && rsp->ring)
255 dma_free_coherent(&ha->pdev->dev,
256 (rsp->length + 1) * sizeof(response_t),
257 rsp->ring, rsp->dma);
258
259 kfree(rsp);
260 rsp = NULL;
261 }
262
263 static void qla2x00_free_queues(struct qla_hw_data *ha)
264 {
265 struct req_que *req;
266 struct rsp_que *rsp;
267 int cnt;
268
269 for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
270 req = ha->req_q_map[cnt];
271 qla2x00_free_req_que(ha, req);
272 }
273 kfree(ha->req_q_map);
274 ha->req_q_map = NULL;
275
276 for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
277 rsp = ha->rsp_q_map[cnt];
278 qla2x00_free_rsp_que(ha, rsp);
279 }
280 kfree(ha->rsp_q_map);
281 ha->rsp_q_map = NULL;
282 }
283
284 static int qla25xx_setup_mode(struct scsi_qla_host *vha)
285 {
286 uint16_t options = 0;
287 int ques, req, ret;
288 struct qla_hw_data *ha = vha->hw;
289
290 if (ql2xmultique_tag) {
291 /* CPU affinity mode */
292 ha->wq = create_workqueue("qla2xxx_wq");
293 /* create a request queue for IO */
294 options |= BIT_7;
295 req = qla25xx_create_req_que(ha, options, 0, 0, -1,
296 QLA_DEFAULT_QUE_QOS);
297 if (!req) {
298 qla_printk(KERN_WARNING, ha,
299 "Can't create request queue\n");
300 goto fail;
301 }
302 vha->req = ha->req_q_map[req];
303 options |= BIT_1;
304 for (ques = 1; ques < ha->max_rsp_queues; ques++) {
305 ret = qla25xx_create_rsp_que(ha, options, 0, 0, req);
306 if (!ret) {
307 qla_printk(KERN_WARNING, ha,
308 "Response Queue create failed\n");
309 goto fail2;
310 }
311 }
312 DEBUG2(qla_printk(KERN_INFO, ha,
313 "CPU affinity mode enabled, no. of response"
314 " queues:%d, no. of request queues:%d\n",
315 ha->max_rsp_queues, ha->max_req_queues));
316 }
317 return 0;
318 fail2:
319 qla25xx_delete_queues(vha);
320 fail:
321 ha->mqenable = 0;
322 return 1;
323 }
324
325 static char *
326 qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
327 {
328 struct qla_hw_data *ha = vha->hw;
329 static char *pci_bus_modes[] = {
330 "33", "66", "100", "133",
331 };
332 uint16_t pci_bus;
333
334 strcpy(str, "PCI");
335 pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
336 if (pci_bus) {
337 strcat(str, "-X (");
338 strcat(str, pci_bus_modes[pci_bus]);
339 } else {
340 pci_bus = (ha->pci_attr & BIT_8) >> 8;
341 strcat(str, " (");
342 strcat(str, pci_bus_modes[pci_bus]);
343 }
344 strcat(str, " MHz)");
345
346 return (str);
347 }
348
349 static char *
350 qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
351 {
352 static char *pci_bus_modes[] = { "33", "66", "100", "133", };
353 struct qla_hw_data *ha = vha->hw;
354 uint32_t pci_bus;
355 int pcie_reg;
356
357 pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
358 if (pcie_reg) {
359 char lwstr[6];
360 uint16_t pcie_lstat, lspeed, lwidth;
361
362 pcie_reg += 0x12;
363 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
364 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
365 lwidth = (pcie_lstat &
366 (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
367
368 strcpy(str, "PCIe (");
369 if (lspeed == 1)
370 strcat(str, "2.5GT/s ");
371 else if (lspeed == 2)
372 strcat(str, "5.0GT/s ");
373 else
374 strcat(str, "<unknown> ");
375 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
376 strcat(str, lwstr);
377
378 return str;
379 }
380
381 strcpy(str, "PCI");
382 pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
383 if (pci_bus == 0 || pci_bus == 8) {
384 strcat(str, " (");
385 strcat(str, pci_bus_modes[pci_bus >> 3]);
386 } else {
387 strcat(str, "-X ");
388 if (pci_bus & BIT_2)
389 strcat(str, "Mode 2");
390 else
391 strcat(str, "Mode 1");
392 strcat(str, " (");
393 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
394 }
395 strcat(str, " MHz)");
396
397 return str;
398 }
399
400 static char *
401 qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str)
402 {
403 char un_str[10];
404 struct qla_hw_data *ha = vha->hw;
405
406 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
407 ha->fw_minor_version,
408 ha->fw_subminor_version);
409
410 if (ha->fw_attributes & BIT_9) {
411 strcat(str, "FLX");
412 return (str);
413 }
414
415 switch (ha->fw_attributes & 0xFF) {
416 case 0x7:
417 strcat(str, "EF");
418 break;
419 case 0x17:
420 strcat(str, "TP");
421 break;
422 case 0x37:
423 strcat(str, "IP");
424 break;
425 case 0x77:
426 strcat(str, "VI");
427 break;
428 default:
429 sprintf(un_str, "(%x)", ha->fw_attributes);
430 strcat(str, un_str);
431 break;
432 }
433 if (ha->fw_attributes & 0x100)
434 strcat(str, "X");
435
436 return (str);
437 }
438
439 static char *
440 qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str)
441 {
442 struct qla_hw_data *ha = vha->hw;
443
444 sprintf(str, "%d.%02d.%02d (%x)", ha->fw_major_version,
445 ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
446 return str;
447 }
448
449 static inline srb_t *
450 qla2x00_get_new_sp(scsi_qla_host_t *vha, fc_port_t *fcport,
451 struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
452 {
453 srb_t *sp;
454 struct qla_hw_data *ha = vha->hw;
455
456 sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
457 if (!sp)
458 return sp;
459
460 sp->fcport = fcport;
461 sp->cmd = cmd;
462 sp->flags = 0;
463 CMD_SP(cmd) = (void *)sp;
464 cmd->scsi_done = done;
465
466 return sp;
467 }
468
469 static int
470 qla2xxx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
471 {
472 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
473 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
474 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
475 struct qla_hw_data *ha = vha->hw;
476 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
477 srb_t *sp;
478 int rval;
479
480 if (unlikely(pci_channel_offline(ha->pdev))) {
481 if (ha->pdev->error_state == pci_channel_io_frozen)
482 cmd->result = DID_REQUEUE << 16;
483 else
484 cmd->result = DID_NO_CONNECT << 16;
485 goto qc24_fail_command;
486 }
487
488 rval = fc_remote_port_chkready(rport);
489 if (rval) {
490 cmd->result = rval;
491 goto qc24_fail_command;
492 }
493
494 /* Close window on fcport/rport state-transitioning. */
495 if (fcport->drport)
496 goto qc24_target_busy;
497
498 if (atomic_read(&fcport->state) != FCS_ONLINE) {
499 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
500 atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
501 cmd->result = DID_NO_CONNECT << 16;
502 goto qc24_fail_command;
503 }
504 goto qc24_target_busy;
505 }
506
507 spin_unlock_irq(vha->host->host_lock);
508
509 sp = qla2x00_get_new_sp(base_vha, fcport, cmd, done);
510 if (!sp)
511 goto qc24_host_busy_lock;
512
513 rval = ha->isp_ops->start_scsi(sp);
514 if (rval != QLA_SUCCESS)
515 goto qc24_host_busy_free_sp;
516
517 spin_lock_irq(vha->host->host_lock);
518
519 return 0;
520
521 qc24_host_busy_free_sp:
522 qla2x00_sp_free_dma(sp);
523 mempool_free(sp, ha->srb_mempool);
524
525 qc24_host_busy_lock:
526 spin_lock_irq(vha->host->host_lock);
527 return SCSI_MLQUEUE_HOST_BUSY;
528
529 qc24_target_busy:
530 return SCSI_MLQUEUE_TARGET_BUSY;
531
532 qc24_fail_command:
533 done(cmd);
534
535 return 0;
536 }
537
538
539 /*
540 * qla2x00_eh_wait_on_command
541 * Waits for the command to be returned by the Firmware for some
542 * max time.
543 *
544 * Input:
545 * cmd = Scsi Command to wait on.
546 *
547 * Return:
548 * Not Found : 0
549 * Found : 1
550 */
551 static int
552 qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
553 {
554 #define ABORT_POLLING_PERIOD 1000
555 #define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
556 unsigned long wait_iter = ABORT_WAIT_ITER;
557 int ret = QLA_SUCCESS;
558
559 while (CMD_SP(cmd)) {
560 msleep(ABORT_POLLING_PERIOD);
561
562 if (--wait_iter)
563 break;
564 }
565 if (CMD_SP(cmd))
566 ret = QLA_FUNCTION_FAILED;
567
568 return ret;
569 }
570
571 /*
572 * qla2x00_wait_for_hba_online
573 * Wait till the HBA is online after going through
574 * <= MAX_RETRIES_OF_ISP_ABORT or
575 * finally HBA is disabled ie marked offline
576 *
577 * Input:
578 * ha - pointer to host adapter structure
579 *
580 * Note:
581 * Does context switching-Release SPIN_LOCK
582 * (if any) before calling this routine.
583 *
584 * Return:
585 * Success (Adapter is online) : 0
586 * Failed (Adapter is offline/disabled) : 1
587 */
588 int
589 qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
590 {
591 int return_status;
592 unsigned long wait_online;
593 struct qla_hw_data *ha = vha->hw;
594 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
595
596 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
597 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
598 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
599 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
600 ha->dpc_active) && time_before(jiffies, wait_online)) {
601
602 msleep(1000);
603 }
604 if (base_vha->flags.online)
605 return_status = QLA_SUCCESS;
606 else
607 return_status = QLA_FUNCTION_FAILED;
608
609 return (return_status);
610 }
611
612 int
613 qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
614 {
615 int return_status;
616 unsigned long wait_reset;
617 struct qla_hw_data *ha = vha->hw;
618 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
619
620 wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
621 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
622 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
623 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
624 ha->dpc_active) && time_before(jiffies, wait_reset)) {
625
626 msleep(1000);
627
628 if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
629 ha->flags.chip_reset_done)
630 break;
631 }
632 if (ha->flags.chip_reset_done)
633 return_status = QLA_SUCCESS;
634 else
635 return_status = QLA_FUNCTION_FAILED;
636
637 return return_status;
638 }
639
640 /*
641 * qla2x00_wait_for_loop_ready
642 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
643 * to be in LOOP_READY state.
644 * Input:
645 * ha - pointer to host adapter structure
646 *
647 * Note:
648 * Does context switching-Release SPIN_LOCK
649 * (if any) before calling this routine.
650 *
651 *
652 * Return:
653 * Success (LOOP_READY) : 0
654 * Failed (LOOP_NOT_READY) : 1
655 */
656 static inline int
657 qla2x00_wait_for_loop_ready(scsi_qla_host_t *vha)
658 {
659 int return_status = QLA_SUCCESS;
660 unsigned long loop_timeout ;
661 struct qla_hw_data *ha = vha->hw;
662 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
663
664 /* wait for 5 min at the max for loop to be ready */
665 loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
666
667 while ((!atomic_read(&base_vha->loop_down_timer) &&
668 atomic_read(&base_vha->loop_state) == LOOP_DOWN) ||
669 atomic_read(&base_vha->loop_state) != LOOP_READY) {
670 if (atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
671 return_status = QLA_FUNCTION_FAILED;
672 break;
673 }
674 msleep(1000);
675 if (time_after_eq(jiffies, loop_timeout)) {
676 return_status = QLA_FUNCTION_FAILED;
677 break;
678 }
679 }
680 return (return_status);
681 }
682
683 void
684 qla2x00_abort_fcport_cmds(fc_port_t *fcport)
685 {
686 int cnt;
687 unsigned long flags;
688 srb_t *sp;
689 scsi_qla_host_t *vha = fcport->vha;
690 struct qla_hw_data *ha = vha->hw;
691 struct req_que *req;
692
693 spin_lock_irqsave(&ha->hardware_lock, flags);
694 req = vha->req;
695 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
696 sp = req->outstanding_cmds[cnt];
697 if (!sp)
698 continue;
699 if (sp->fcport != fcport)
700 continue;
701
702 spin_unlock_irqrestore(&ha->hardware_lock, flags);
703 if (ha->isp_ops->abort_command(sp)) {
704 DEBUG2(qla_printk(KERN_WARNING, ha,
705 "Abort failed -- %lx\n",
706 sp->cmd->serial_number));
707 } else {
708 if (qla2x00_eh_wait_on_command(sp->cmd) !=
709 QLA_SUCCESS)
710 DEBUG2(qla_printk(KERN_WARNING, ha,
711 "Abort failed while waiting -- %lx\n",
712 sp->cmd->serial_number));
713 }
714 spin_lock_irqsave(&ha->hardware_lock, flags);
715 }
716 spin_unlock_irqrestore(&ha->hardware_lock, flags);
717 }
718
719 static void
720 qla2x00_block_error_handler(struct scsi_cmnd *cmnd)
721 {
722 struct Scsi_Host *shost = cmnd->device->host;
723 struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device));
724 unsigned long flags;
725
726 spin_lock_irqsave(shost->host_lock, flags);
727 while (rport->port_state == FC_PORTSTATE_BLOCKED) {
728 spin_unlock_irqrestore(shost->host_lock, flags);
729 msleep(1000);
730 spin_lock_irqsave(shost->host_lock, flags);
731 }
732 spin_unlock_irqrestore(shost->host_lock, flags);
733 return;
734 }
735
736 /**************************************************************************
737 * qla2xxx_eh_abort
738 *
739 * Description:
740 * The abort function will abort the specified command.
741 *
742 * Input:
743 * cmd = Linux SCSI command packet to be aborted.
744 *
745 * Returns:
746 * Either SUCCESS or FAILED.
747 *
748 * Note:
749 * Only return FAILED if command not returned by firmware.
750 **************************************************************************/
751 static int
752 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
753 {
754 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
755 srb_t *sp;
756 int ret, i;
757 unsigned int id, lun;
758 unsigned long serial;
759 unsigned long flags;
760 int wait = 0;
761 struct qla_hw_data *ha = vha->hw;
762 struct req_que *req = vha->req;
763 srb_t *spt;
764
765 qla2x00_block_error_handler(cmd);
766
767 if (!CMD_SP(cmd))
768 return SUCCESS;
769
770 ret = SUCCESS;
771
772 id = cmd->device->id;
773 lun = cmd->device->lun;
774 serial = cmd->serial_number;
775 spt = (srb_t *) CMD_SP(cmd);
776 if (!spt)
777 return SUCCESS;
778
779 /* Check active list for command command. */
780 spin_lock_irqsave(&ha->hardware_lock, flags);
781 for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
782 sp = req->outstanding_cmds[i];
783
784 if (sp == NULL)
785 continue;
786
787 if (sp->cmd != cmd)
788 continue;
789
790 DEBUG2(printk("%s(%ld): aborting sp %p from RISC."
791 " pid=%ld.\n", __func__, vha->host_no, sp, serial));
792
793 spin_unlock_irqrestore(&ha->hardware_lock, flags);
794 if (ha->isp_ops->abort_command(sp)) {
795 DEBUG2(printk("%s(%ld): abort_command "
796 "mbx failed.\n", __func__, vha->host_no));
797 ret = FAILED;
798 } else {
799 DEBUG3(printk("%s(%ld): abort_command "
800 "mbx success.\n", __func__, vha->host_no));
801 wait = 1;
802 }
803 spin_lock_irqsave(&ha->hardware_lock, flags);
804 break;
805 }
806 spin_unlock_irqrestore(&ha->hardware_lock, flags);
807
808 /* Wait for the command to be returned. */
809 if (wait) {
810 if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
811 qla_printk(KERN_ERR, ha,
812 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
813 "%x.\n", vha->host_no, id, lun, serial, ret);
814 ret = FAILED;
815 }
816 }
817
818 qla_printk(KERN_INFO, ha,
819 "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
820 vha->host_no, id, lun, wait, serial, ret);
821
822 return ret;
823 }
824
825 enum nexus_wait_type {
826 WAIT_HOST = 0,
827 WAIT_TARGET,
828 WAIT_LUN,
829 };
830
831 static int
832 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
833 unsigned int l, srb_t *sp, enum nexus_wait_type type)
834 {
835 int cnt, match, status;
836 unsigned long flags;
837 struct qla_hw_data *ha = vha->hw;
838 struct req_que *req;
839
840 status = QLA_SUCCESS;
841 if (!sp)
842 return status;
843
844 spin_lock_irqsave(&ha->hardware_lock, flags);
845 req = vha->req;
846 for (cnt = 1; status == QLA_SUCCESS &&
847 cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
848 sp = req->outstanding_cmds[cnt];
849 if (!sp)
850 continue;
851
852 if (vha->vp_idx != sp->fcport->vha->vp_idx)
853 continue;
854 match = 0;
855 switch (type) {
856 case WAIT_HOST:
857 match = 1;
858 break;
859 case WAIT_TARGET:
860 match = sp->cmd->device->id == t;
861 break;
862 case WAIT_LUN:
863 match = (sp->cmd->device->id == t &&
864 sp->cmd->device->lun == l);
865 break;
866 }
867 if (!match)
868 continue;
869
870 spin_unlock_irqrestore(&ha->hardware_lock, flags);
871 status = qla2x00_eh_wait_on_command(sp->cmd);
872 spin_lock_irqsave(&ha->hardware_lock, flags);
873 }
874 spin_unlock_irqrestore(&ha->hardware_lock, flags);
875
876 return status;
877 }
878
879 static char *reset_errors[] = {
880 "HBA not online",
881 "HBA not ready",
882 "Task management failed",
883 "Waiting for command completions",
884 };
885
886 static int
887 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
888 struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int, int))
889 {
890 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
891 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
892 int err;
893
894 qla2x00_block_error_handler(cmd);
895
896 if (!fcport)
897 return FAILED;
898
899 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET ISSUED.\n",
900 vha->host_no, cmd->device->id, cmd->device->lun, name);
901
902 err = 0;
903 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
904 goto eh_reset_failed;
905 err = 1;
906 if (qla2x00_wait_for_loop_ready(vha) != QLA_SUCCESS)
907 goto eh_reset_failed;
908 err = 2;
909 if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
910 != QLA_SUCCESS)
911 goto eh_reset_failed;
912 err = 3;
913 if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
914 cmd->device->lun, (srb_t *) CMD_SP(cmd), type) != QLA_SUCCESS)
915 goto eh_reset_failed;
916
917 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n",
918 vha->host_no, cmd->device->id, cmd->device->lun, name);
919
920 return SUCCESS;
921
922 eh_reset_failed:
923 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n"
924 , vha->host_no, cmd->device->id, cmd->device->lun, name,
925 reset_errors[err]);
926 return FAILED;
927 }
928
929 static int
930 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
931 {
932 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
933 struct qla_hw_data *ha = vha->hw;
934
935 return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
936 ha->isp_ops->lun_reset);
937 }
938
939 static int
940 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
941 {
942 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
943 struct qla_hw_data *ha = vha->hw;
944
945 return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
946 ha->isp_ops->target_reset);
947 }
948
949 /**************************************************************************
950 * qla2xxx_eh_bus_reset
951 *
952 * Description:
953 * The bus reset function will reset the bus and abort any executing
954 * commands.
955 *
956 * Input:
957 * cmd = Linux SCSI command packet of the command that cause the
958 * bus reset.
959 *
960 * Returns:
961 * SUCCESS/FAILURE (defined as macro in scsi.h).
962 *
963 **************************************************************************/
964 static int
965 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
966 {
967 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
968 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
969 int ret = FAILED;
970 unsigned int id, lun;
971 unsigned long serial;
972 srb_t *sp = (srb_t *) CMD_SP(cmd);
973
974 qla2x00_block_error_handler(cmd);
975
976 id = cmd->device->id;
977 lun = cmd->device->lun;
978 serial = cmd->serial_number;
979
980 if (!fcport)
981 return ret;
982
983 qla_printk(KERN_INFO, vha->hw,
984 "scsi(%ld:%d:%d): BUS RESET ISSUED.\n", vha->host_no, id, lun);
985
986 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
987 DEBUG2(printk("%s failed:board disabled\n",__func__));
988 goto eh_bus_reset_done;
989 }
990
991 if (qla2x00_wait_for_loop_ready(vha) == QLA_SUCCESS) {
992 if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
993 ret = SUCCESS;
994 }
995 if (ret == FAILED)
996 goto eh_bus_reset_done;
997
998 /* Flush outstanding commands. */
999 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) !=
1000 QLA_SUCCESS)
1001 ret = FAILED;
1002
1003 eh_bus_reset_done:
1004 qla_printk(KERN_INFO, vha->hw, "%s: reset %s\n", __func__,
1005 (ret == FAILED) ? "failed" : "succeded");
1006
1007 return ret;
1008 }
1009
1010 /**************************************************************************
1011 * qla2xxx_eh_host_reset
1012 *
1013 * Description:
1014 * The reset function will reset the Adapter.
1015 *
1016 * Input:
1017 * cmd = Linux SCSI command packet of the command that cause the
1018 * adapter reset.
1019 *
1020 * Returns:
1021 * Either SUCCESS or FAILED.
1022 *
1023 * Note:
1024 **************************************************************************/
1025 static int
1026 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1027 {
1028 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1029 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1030 struct qla_hw_data *ha = vha->hw;
1031 int ret = FAILED;
1032 unsigned int id, lun;
1033 unsigned long serial;
1034 srb_t *sp = (srb_t *) CMD_SP(cmd);
1035 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1036
1037 qla2x00_block_error_handler(cmd);
1038
1039 id = cmd->device->id;
1040 lun = cmd->device->lun;
1041 serial = cmd->serial_number;
1042
1043 if (!fcport)
1044 return ret;
1045
1046 qla_printk(KERN_INFO, ha,
1047 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", vha->host_no, id, lun);
1048
1049 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
1050 goto eh_host_reset_lock;
1051
1052 /*
1053 * Fixme-may be dpc thread is active and processing
1054 * loop_resync,so wait a while for it to
1055 * be completed and then issue big hammer.Otherwise
1056 * it may cause I/O failure as big hammer marks the
1057 * devices as lost kicking of the port_down_timer
1058 * while dpc is stuck for the mailbox to complete.
1059 */
1060 qla2x00_wait_for_loop_ready(vha);
1061 if (vha != base_vha) {
1062 if (qla2x00_vp_abort_isp(vha))
1063 goto eh_host_reset_lock;
1064 } else {
1065 if (ha->wq)
1066 flush_workqueue(ha->wq);
1067
1068 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1069 if (qla2x00_abort_isp(base_vha)) {
1070 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1071 /* failed. schedule dpc to try */
1072 set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1073
1074 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
1075 goto eh_host_reset_lock;
1076 }
1077 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1078 }
1079
1080 /* Waiting for command to be returned to OS.*/
1081 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) ==
1082 QLA_SUCCESS)
1083 ret = SUCCESS;
1084
1085 eh_host_reset_lock:
1086 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1087 (ret == FAILED) ? "failed" : "succeded");
1088
1089 return ret;
1090 }
1091
1092 /*
1093 * qla2x00_loop_reset
1094 * Issue loop reset.
1095 *
1096 * Input:
1097 * ha = adapter block pointer.
1098 *
1099 * Returns:
1100 * 0 = success
1101 */
1102 int
1103 qla2x00_loop_reset(scsi_qla_host_t *vha)
1104 {
1105 int ret;
1106 struct fc_port *fcport;
1107 struct qla_hw_data *ha = vha->hw;
1108
1109 if (ha->flags.enable_lip_full_login && !vha->vp_idx &&
1110 !IS_QLA81XX(ha)) {
1111 ret = qla2x00_full_login_lip(vha);
1112 if (ret != QLA_SUCCESS) {
1113 DEBUG2_3(printk("%s(%ld): failed: "
1114 "full_login_lip=%d.\n", __func__, vha->host_no,
1115 ret));
1116 }
1117 atomic_set(&vha->loop_state, LOOP_DOWN);
1118 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1119 qla2x00_mark_all_devices_lost(vha, 0);
1120 qla2x00_wait_for_loop_ready(vha);
1121 }
1122
1123 if (ha->flags.enable_lip_reset && !vha->vp_idx) {
1124 ret = qla2x00_lip_reset(vha);
1125 if (ret != QLA_SUCCESS) {
1126 DEBUG2_3(printk("%s(%ld): failed: "
1127 "lip_reset=%d.\n", __func__, vha->host_no, ret));
1128 } else
1129 qla2x00_wait_for_loop_ready(vha);
1130 }
1131
1132 if (ha->flags.enable_target_reset) {
1133 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1134 if (fcport->port_type != FCT_TARGET)
1135 continue;
1136
1137 ret = ha->isp_ops->target_reset(fcport, 0, 0);
1138 if (ret != QLA_SUCCESS) {
1139 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1140 "target_reset=%d d_id=%x.\n", __func__,
1141 vha->host_no, ret, fcport->d_id.b24));
1142 }
1143 }
1144 }
1145 /* Issue marker command only when we are going to start the I/O */
1146 vha->marker_needed = 1;
1147
1148 return QLA_SUCCESS;
1149 }
1150
1151 void
1152 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1153 {
1154 int que, cnt;
1155 unsigned long flags;
1156 srb_t *sp;
1157 struct qla_hw_data *ha = vha->hw;
1158 struct req_que *req;
1159
1160 spin_lock_irqsave(&ha->hardware_lock, flags);
1161 for (que = 0; que < ha->max_req_queues; que++) {
1162 req = ha->req_q_map[que];
1163 if (!req)
1164 continue;
1165 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1166 sp = req->outstanding_cmds[cnt];
1167 if (sp) {
1168 req->outstanding_cmds[cnt] = NULL;
1169 sp->cmd->result = res;
1170 qla2x00_sp_compl(ha, sp);
1171 }
1172 }
1173 }
1174 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1175 }
1176
1177 static int
1178 qla2xxx_slave_alloc(struct scsi_device *sdev)
1179 {
1180 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1181
1182 if (!rport || fc_remote_port_chkready(rport))
1183 return -ENXIO;
1184
1185 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1186
1187 return 0;
1188 }
1189
1190 static int
1191 qla2xxx_slave_configure(struct scsi_device *sdev)
1192 {
1193 scsi_qla_host_t *vha = shost_priv(sdev->host);
1194 struct qla_hw_data *ha = vha->hw;
1195 struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1196 struct req_que *req = vha->req;
1197
1198 if (sdev->tagged_supported)
1199 scsi_activate_tcq(sdev, req->max_q_depth);
1200 else
1201 scsi_deactivate_tcq(sdev, req->max_q_depth);
1202
1203 rport->dev_loss_tmo = ha->port_down_retry_count;
1204
1205 return 0;
1206 }
1207
1208 static void
1209 qla2xxx_slave_destroy(struct scsi_device *sdev)
1210 {
1211 sdev->hostdata = NULL;
1212 }
1213
1214 static int
1215 qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
1216 {
1217 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1218 return sdev->queue_depth;
1219 }
1220
1221 static int
1222 qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1223 {
1224 if (sdev->tagged_supported) {
1225 scsi_set_tag_type(sdev, tag_type);
1226 if (tag_type)
1227 scsi_activate_tcq(sdev, sdev->queue_depth);
1228 else
1229 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1230 } else
1231 tag_type = 0;
1232
1233 return tag_type;
1234 }
1235
1236 /**
1237 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1238 * @ha: HA context
1239 *
1240 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1241 * supported addressing method.
1242 */
1243 static void
1244 qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1245 {
1246 /* Assume a 32bit DMA mask. */
1247 ha->flags.enable_64bit_addressing = 0;
1248
1249 if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1250 /* Any upper-dword bits set? */
1251 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1252 !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
1253 /* Ok, a 64bit DMA mask is applicable. */
1254 ha->flags.enable_64bit_addressing = 1;
1255 ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1256 ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1257 return;
1258 }
1259 }
1260
1261 dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1262 pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1263 }
1264
1265 static void
1266 qla2x00_enable_intrs(struct qla_hw_data *ha)
1267 {
1268 unsigned long flags = 0;
1269 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1270
1271 spin_lock_irqsave(&ha->hardware_lock, flags);
1272 ha->interrupts_on = 1;
1273 /* enable risc and host interrupts */
1274 WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1275 RD_REG_WORD(&reg->ictrl);
1276 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1277
1278 }
1279
1280 static void
1281 qla2x00_disable_intrs(struct qla_hw_data *ha)
1282 {
1283 unsigned long flags = 0;
1284 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1285
1286 spin_lock_irqsave(&ha->hardware_lock, flags);
1287 ha->interrupts_on = 0;
1288 /* disable risc and host interrupts */
1289 WRT_REG_WORD(&reg->ictrl, 0);
1290 RD_REG_WORD(&reg->ictrl);
1291 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1292 }
1293
1294 static void
1295 qla24xx_enable_intrs(struct qla_hw_data *ha)
1296 {
1297 unsigned long flags = 0;
1298 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1299
1300 spin_lock_irqsave(&ha->hardware_lock, flags);
1301 ha->interrupts_on = 1;
1302 WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1303 RD_REG_DWORD(&reg->ictrl);
1304 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1305 }
1306
1307 static void
1308 qla24xx_disable_intrs(struct qla_hw_data *ha)
1309 {
1310 unsigned long flags = 0;
1311 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1312
1313 if (IS_NOPOLLING_TYPE(ha))
1314 return;
1315 spin_lock_irqsave(&ha->hardware_lock, flags);
1316 ha->interrupts_on = 0;
1317 WRT_REG_DWORD(&reg->ictrl, 0);
1318 RD_REG_DWORD(&reg->ictrl);
1319 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1320 }
1321
1322 static struct isp_operations qla2100_isp_ops = {
1323 .pci_config = qla2100_pci_config,
1324 .reset_chip = qla2x00_reset_chip,
1325 .chip_diag = qla2x00_chip_diag,
1326 .config_rings = qla2x00_config_rings,
1327 .reset_adapter = qla2x00_reset_adapter,
1328 .nvram_config = qla2x00_nvram_config,
1329 .update_fw_options = qla2x00_update_fw_options,
1330 .load_risc = qla2x00_load_risc,
1331 .pci_info_str = qla2x00_pci_info_str,
1332 .fw_version_str = qla2x00_fw_version_str,
1333 .intr_handler = qla2100_intr_handler,
1334 .enable_intrs = qla2x00_enable_intrs,
1335 .disable_intrs = qla2x00_disable_intrs,
1336 .abort_command = qla2x00_abort_command,
1337 .target_reset = qla2x00_abort_target,
1338 .lun_reset = qla2x00_lun_reset,
1339 .fabric_login = qla2x00_login_fabric,
1340 .fabric_logout = qla2x00_fabric_logout,
1341 .calc_req_entries = qla2x00_calc_iocbs_32,
1342 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1343 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1344 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1345 .read_nvram = qla2x00_read_nvram_data,
1346 .write_nvram = qla2x00_write_nvram_data,
1347 .fw_dump = qla2100_fw_dump,
1348 .beacon_on = NULL,
1349 .beacon_off = NULL,
1350 .beacon_blink = NULL,
1351 .read_optrom = qla2x00_read_optrom_data,
1352 .write_optrom = qla2x00_write_optrom_data,
1353 .get_flash_version = qla2x00_get_flash_version,
1354 .start_scsi = qla2x00_start_scsi,
1355 };
1356
1357 static struct isp_operations qla2300_isp_ops = {
1358 .pci_config = qla2300_pci_config,
1359 .reset_chip = qla2x00_reset_chip,
1360 .chip_diag = qla2x00_chip_diag,
1361 .config_rings = qla2x00_config_rings,
1362 .reset_adapter = qla2x00_reset_adapter,
1363 .nvram_config = qla2x00_nvram_config,
1364 .update_fw_options = qla2x00_update_fw_options,
1365 .load_risc = qla2x00_load_risc,
1366 .pci_info_str = qla2x00_pci_info_str,
1367 .fw_version_str = qla2x00_fw_version_str,
1368 .intr_handler = qla2300_intr_handler,
1369 .enable_intrs = qla2x00_enable_intrs,
1370 .disable_intrs = qla2x00_disable_intrs,
1371 .abort_command = qla2x00_abort_command,
1372 .target_reset = qla2x00_abort_target,
1373 .lun_reset = qla2x00_lun_reset,
1374 .fabric_login = qla2x00_login_fabric,
1375 .fabric_logout = qla2x00_fabric_logout,
1376 .calc_req_entries = qla2x00_calc_iocbs_32,
1377 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1378 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1379 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1380 .read_nvram = qla2x00_read_nvram_data,
1381 .write_nvram = qla2x00_write_nvram_data,
1382 .fw_dump = qla2300_fw_dump,
1383 .beacon_on = qla2x00_beacon_on,
1384 .beacon_off = qla2x00_beacon_off,
1385 .beacon_blink = qla2x00_beacon_blink,
1386 .read_optrom = qla2x00_read_optrom_data,
1387 .write_optrom = qla2x00_write_optrom_data,
1388 .get_flash_version = qla2x00_get_flash_version,
1389 .start_scsi = qla2x00_start_scsi,
1390 };
1391
1392 static struct isp_operations qla24xx_isp_ops = {
1393 .pci_config = qla24xx_pci_config,
1394 .reset_chip = qla24xx_reset_chip,
1395 .chip_diag = qla24xx_chip_diag,
1396 .config_rings = qla24xx_config_rings,
1397 .reset_adapter = qla24xx_reset_adapter,
1398 .nvram_config = qla24xx_nvram_config,
1399 .update_fw_options = qla24xx_update_fw_options,
1400 .load_risc = qla24xx_load_risc,
1401 .pci_info_str = qla24xx_pci_info_str,
1402 .fw_version_str = qla24xx_fw_version_str,
1403 .intr_handler = qla24xx_intr_handler,
1404 .enable_intrs = qla24xx_enable_intrs,
1405 .disable_intrs = qla24xx_disable_intrs,
1406 .abort_command = qla24xx_abort_command,
1407 .target_reset = qla24xx_abort_target,
1408 .lun_reset = qla24xx_lun_reset,
1409 .fabric_login = qla24xx_login_fabric,
1410 .fabric_logout = qla24xx_fabric_logout,
1411 .calc_req_entries = NULL,
1412 .build_iocbs = NULL,
1413 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1414 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1415 .read_nvram = qla24xx_read_nvram_data,
1416 .write_nvram = qla24xx_write_nvram_data,
1417 .fw_dump = qla24xx_fw_dump,
1418 .beacon_on = qla24xx_beacon_on,
1419 .beacon_off = qla24xx_beacon_off,
1420 .beacon_blink = qla24xx_beacon_blink,
1421 .read_optrom = qla24xx_read_optrom_data,
1422 .write_optrom = qla24xx_write_optrom_data,
1423 .get_flash_version = qla24xx_get_flash_version,
1424 .start_scsi = qla24xx_start_scsi,
1425 };
1426
1427 static struct isp_operations qla25xx_isp_ops = {
1428 .pci_config = qla25xx_pci_config,
1429 .reset_chip = qla24xx_reset_chip,
1430 .chip_diag = qla24xx_chip_diag,
1431 .config_rings = qla24xx_config_rings,
1432 .reset_adapter = qla24xx_reset_adapter,
1433 .nvram_config = qla24xx_nvram_config,
1434 .update_fw_options = qla24xx_update_fw_options,
1435 .load_risc = qla24xx_load_risc,
1436 .pci_info_str = qla24xx_pci_info_str,
1437 .fw_version_str = qla24xx_fw_version_str,
1438 .intr_handler = qla24xx_intr_handler,
1439 .enable_intrs = qla24xx_enable_intrs,
1440 .disable_intrs = qla24xx_disable_intrs,
1441 .abort_command = qla24xx_abort_command,
1442 .target_reset = qla24xx_abort_target,
1443 .lun_reset = qla24xx_lun_reset,
1444 .fabric_login = qla24xx_login_fabric,
1445 .fabric_logout = qla24xx_fabric_logout,
1446 .calc_req_entries = NULL,
1447 .build_iocbs = NULL,
1448 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1449 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1450 .read_nvram = qla25xx_read_nvram_data,
1451 .write_nvram = qla25xx_write_nvram_data,
1452 .fw_dump = qla25xx_fw_dump,
1453 .beacon_on = qla24xx_beacon_on,
1454 .beacon_off = qla24xx_beacon_off,
1455 .beacon_blink = qla24xx_beacon_blink,
1456 .read_optrom = qla25xx_read_optrom_data,
1457 .write_optrom = qla24xx_write_optrom_data,
1458 .get_flash_version = qla24xx_get_flash_version,
1459 .start_scsi = qla24xx_start_scsi,
1460 };
1461
1462 static struct isp_operations qla81xx_isp_ops = {
1463 .pci_config = qla25xx_pci_config,
1464 .reset_chip = qla24xx_reset_chip,
1465 .chip_diag = qla24xx_chip_diag,
1466 .config_rings = qla24xx_config_rings,
1467 .reset_adapter = qla24xx_reset_adapter,
1468 .nvram_config = qla81xx_nvram_config,
1469 .update_fw_options = qla81xx_update_fw_options,
1470 .load_risc = qla81xx_load_risc,
1471 .pci_info_str = qla24xx_pci_info_str,
1472 .fw_version_str = qla24xx_fw_version_str,
1473 .intr_handler = qla24xx_intr_handler,
1474 .enable_intrs = qla24xx_enable_intrs,
1475 .disable_intrs = qla24xx_disable_intrs,
1476 .abort_command = qla24xx_abort_command,
1477 .target_reset = qla24xx_abort_target,
1478 .lun_reset = qla24xx_lun_reset,
1479 .fabric_login = qla24xx_login_fabric,
1480 .fabric_logout = qla24xx_fabric_logout,
1481 .calc_req_entries = NULL,
1482 .build_iocbs = NULL,
1483 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1484 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1485 .read_nvram = NULL,
1486 .write_nvram = NULL,
1487 .fw_dump = qla81xx_fw_dump,
1488 .beacon_on = qla24xx_beacon_on,
1489 .beacon_off = qla24xx_beacon_off,
1490 .beacon_blink = qla24xx_beacon_blink,
1491 .read_optrom = qla25xx_read_optrom_data,
1492 .write_optrom = qla24xx_write_optrom_data,
1493 .get_flash_version = qla24xx_get_flash_version,
1494 .start_scsi = qla24xx_start_scsi,
1495 };
1496
1497 static inline void
1498 qla2x00_set_isp_flags(struct qla_hw_data *ha)
1499 {
1500 ha->device_type = DT_EXTENDED_IDS;
1501 switch (ha->pdev->device) {
1502 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1503 ha->device_type |= DT_ISP2100;
1504 ha->device_type &= ~DT_EXTENDED_IDS;
1505 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1506 break;
1507 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1508 ha->device_type |= DT_ISP2200;
1509 ha->device_type &= ~DT_EXTENDED_IDS;
1510 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1511 break;
1512 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1513 ha->device_type |= DT_ISP2300;
1514 ha->device_type |= DT_ZIO_SUPPORTED;
1515 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1516 break;
1517 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1518 ha->device_type |= DT_ISP2312;
1519 ha->device_type |= DT_ZIO_SUPPORTED;
1520 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1521 break;
1522 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1523 ha->device_type |= DT_ISP2322;
1524 ha->device_type |= DT_ZIO_SUPPORTED;
1525 if (ha->pdev->subsystem_vendor == 0x1028 &&
1526 ha->pdev->subsystem_device == 0x0170)
1527 ha->device_type |= DT_OEM_001;
1528 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1529 break;
1530 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1531 ha->device_type |= DT_ISP6312;
1532 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1533 break;
1534 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1535 ha->device_type |= DT_ISP6322;
1536 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1537 break;
1538 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1539 ha->device_type |= DT_ISP2422;
1540 ha->device_type |= DT_ZIO_SUPPORTED;
1541 ha->device_type |= DT_FWI2;
1542 ha->device_type |= DT_IIDMA;
1543 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1544 break;
1545 case PCI_DEVICE_ID_QLOGIC_ISP2432:
1546 ha->device_type |= DT_ISP2432;
1547 ha->device_type |= DT_ZIO_SUPPORTED;
1548 ha->device_type |= DT_FWI2;
1549 ha->device_type |= DT_IIDMA;
1550 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1551 break;
1552 case PCI_DEVICE_ID_QLOGIC_ISP8432:
1553 ha->device_type |= DT_ISP8432;
1554 ha->device_type |= DT_ZIO_SUPPORTED;
1555 ha->device_type |= DT_FWI2;
1556 ha->device_type |= DT_IIDMA;
1557 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1558 break;
1559 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1560 ha->device_type |= DT_ISP5422;
1561 ha->device_type |= DT_FWI2;
1562 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1563 break;
1564 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1565 ha->device_type |= DT_ISP5432;
1566 ha->device_type |= DT_FWI2;
1567 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1568 break;
1569 case PCI_DEVICE_ID_QLOGIC_ISP2532:
1570 ha->device_type |= DT_ISP2532;
1571 ha->device_type |= DT_ZIO_SUPPORTED;
1572 ha->device_type |= DT_FWI2;
1573 ha->device_type |= DT_IIDMA;
1574 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1575 break;
1576 case PCI_DEVICE_ID_QLOGIC_ISP8001:
1577 ha->device_type |= DT_ISP8001;
1578 ha->device_type |= DT_ZIO_SUPPORTED;
1579 ha->device_type |= DT_FWI2;
1580 ha->device_type |= DT_IIDMA;
1581 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1582 break;
1583 }
1584
1585 /* Get adapter physical port no from interrupt pin register. */
1586 pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
1587 if (ha->port_no & 1)
1588 ha->flags.port0 = 1;
1589 else
1590 ha->flags.port0 = 0;
1591 }
1592
1593 static int
1594 qla2x00_iospace_config(struct qla_hw_data *ha)
1595 {
1596 resource_size_t pio;
1597 uint16_t msix;
1598 int cpus;
1599
1600 if (pci_request_selected_regions(ha->pdev, ha->bars,
1601 QLA2XXX_DRIVER_NAME)) {
1602 qla_printk(KERN_WARNING, ha,
1603 "Failed to reserve PIO/MMIO regions (%s)\n",
1604 pci_name(ha->pdev));
1605
1606 goto iospace_error_exit;
1607 }
1608 if (!(ha->bars & 1))
1609 goto skip_pio;
1610
1611 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1612 pio = pci_resource_start(ha->pdev, 0);
1613 if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1614 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1615 qla_printk(KERN_WARNING, ha,
1616 "Invalid PCI I/O region size (%s)...\n",
1617 pci_name(ha->pdev));
1618 pio = 0;
1619 }
1620 } else {
1621 qla_printk(KERN_WARNING, ha,
1622 "region #0 not a PIO resource (%s)...\n",
1623 pci_name(ha->pdev));
1624 pio = 0;
1625 }
1626 ha->pio_address = pio;
1627
1628 skip_pio:
1629 /* Use MMIO operations for all accesses. */
1630 if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1631 qla_printk(KERN_ERR, ha,
1632 "region #1 not an MMIO resource (%s), aborting\n",
1633 pci_name(ha->pdev));
1634 goto iospace_error_exit;
1635 }
1636 if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1637 qla_printk(KERN_ERR, ha,
1638 "Invalid PCI mem region size (%s), aborting\n",
1639 pci_name(ha->pdev));
1640 goto iospace_error_exit;
1641 }
1642
1643 ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1644 if (!ha->iobase) {
1645 qla_printk(KERN_ERR, ha,
1646 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1647
1648 goto iospace_error_exit;
1649 }
1650
1651 /* Determine queue resources */
1652 ha->max_req_queues = ha->max_rsp_queues = 1;
1653 if ((ql2xmaxqueues <= 1 || ql2xmultique_tag < 1) &&
1654 (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
1655 goto mqiobase_exit;
1656 ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1657 pci_resource_len(ha->pdev, 3));
1658 if (ha->mqiobase) {
1659 /* Read MSIX vector size of the board */
1660 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1661 ha->msix_count = msix;
1662 /* Max queues are bounded by available msix vectors */
1663 /* queue 0 uses two msix vectors */
1664 if (ql2xmultique_tag) {
1665 cpus = num_online_cpus();
1666 ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ?
1667 (cpus + 1) : (ha->msix_count - 1);
1668 ha->max_req_queues = 2;
1669 } else if (ql2xmaxqueues > 1) {
1670 ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ?
1671 QLA_MQ_SIZE : ql2xmaxqueues;
1672 DEBUG2(qla_printk(KERN_INFO, ha, "QoS mode set, max no"
1673 " of request queues:%d\n", ha->max_req_queues));
1674 }
1675 qla_printk(KERN_INFO, ha,
1676 "MSI-X vector count: %d\n", msix);
1677 } else
1678 qla_printk(KERN_INFO, ha, "BAR 3 not enabled\n");
1679
1680 mqiobase_exit:
1681 ha->msix_count = ha->max_rsp_queues + 1;
1682 return (0);
1683
1684 iospace_error_exit:
1685 return (-ENOMEM);
1686 }
1687
1688 static void
1689 qla2xxx_scan_start(struct Scsi_Host *shost)
1690 {
1691 scsi_qla_host_t *vha = shost_priv(shost);
1692
1693 if (vha->hw->flags.running_gold_fw)
1694 return;
1695
1696 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1697 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1698 set_bit(RSCN_UPDATE, &vha->dpc_flags);
1699 set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
1700 }
1701
1702 static int
1703 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1704 {
1705 scsi_qla_host_t *vha = shost_priv(shost);
1706
1707 if (!vha->host)
1708 return 1;
1709 if (time > vha->hw->loop_reset_delay * HZ)
1710 return 1;
1711
1712 return atomic_read(&vha->loop_state) == LOOP_READY;
1713 }
1714
1715 /*
1716 * PCI driver interface
1717 */
1718 static int __devinit
1719 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1720 {
1721 int ret = -ENODEV;
1722 struct Scsi_Host *host;
1723 scsi_qla_host_t *base_vha = NULL;
1724 struct qla_hw_data *ha;
1725 char pci_info[30];
1726 char fw_str[30];
1727 struct scsi_host_template *sht;
1728 int bars, max_id, mem_only = 0;
1729 uint16_t req_length = 0, rsp_length = 0;
1730 struct req_que *req = NULL;
1731 struct rsp_que *rsp = NULL;
1732
1733 bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
1734 sht = &qla2xxx_driver_template;
1735 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
1736 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
1737 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
1738 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
1739 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
1740 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
1741 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001) {
1742 bars = pci_select_bars(pdev, IORESOURCE_MEM);
1743 mem_only = 1;
1744 }
1745
1746 if (mem_only) {
1747 if (pci_enable_device_mem(pdev))
1748 goto probe_out;
1749 } else {
1750 if (pci_enable_device(pdev))
1751 goto probe_out;
1752 }
1753
1754 /* This may fail but that's ok */
1755 pci_enable_pcie_error_reporting(pdev);
1756
1757 ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
1758 if (!ha) {
1759 DEBUG(printk("Unable to allocate memory for ha\n"));
1760 goto probe_out;
1761 }
1762 ha->pdev = pdev;
1763
1764 /* Clear our data area */
1765 ha->bars = bars;
1766 ha->mem_only = mem_only;
1767 spin_lock_init(&ha->hardware_lock);
1768
1769 /* Set ISP-type information. */
1770 qla2x00_set_isp_flags(ha);
1771 /* Configure PCI I/O space */
1772 ret = qla2x00_iospace_config(ha);
1773 if (ret)
1774 goto probe_hw_failed;
1775
1776 qla_printk(KERN_INFO, ha,
1777 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1778 ha->iobase);
1779
1780 ha->prev_topology = 0;
1781 ha->init_cb_size = sizeof(init_cb_t);
1782 ha->link_data_rate = PORT_SPEED_UNKNOWN;
1783 ha->optrom_size = OPTROM_SIZE_2300;
1784
1785 /* Assign ISP specific operations. */
1786 max_id = MAX_TARGETS_2200;
1787 if (IS_QLA2100(ha)) {
1788 max_id = MAX_TARGETS_2100;
1789 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
1790 req_length = REQUEST_ENTRY_CNT_2100;
1791 rsp_length = RESPONSE_ENTRY_CNT_2100;
1792 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
1793 ha->gid_list_info_size = 4;
1794 ha->flash_conf_off = ~0;
1795 ha->flash_data_off = ~0;
1796 ha->nvram_conf_off = ~0;
1797 ha->nvram_data_off = ~0;
1798 ha->isp_ops = &qla2100_isp_ops;
1799 } else if (IS_QLA2200(ha)) {
1800 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1801 req_length = REQUEST_ENTRY_CNT_2200;
1802 rsp_length = RESPONSE_ENTRY_CNT_2100;
1803 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
1804 ha->gid_list_info_size = 4;
1805 ha->flash_conf_off = ~0;
1806 ha->flash_data_off = ~0;
1807 ha->nvram_conf_off = ~0;
1808 ha->nvram_data_off = ~0;
1809 ha->isp_ops = &qla2100_isp_ops;
1810 } else if (IS_QLA23XX(ha)) {
1811 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1812 req_length = REQUEST_ENTRY_CNT_2200;
1813 rsp_length = RESPONSE_ENTRY_CNT_2300;
1814 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1815 ha->gid_list_info_size = 6;
1816 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1817 ha->optrom_size = OPTROM_SIZE_2322;
1818 ha->flash_conf_off = ~0;
1819 ha->flash_data_off = ~0;
1820 ha->nvram_conf_off = ~0;
1821 ha->nvram_data_off = ~0;
1822 ha->isp_ops = &qla2300_isp_ops;
1823 } else if (IS_QLA24XX_TYPE(ha)) {
1824 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1825 req_length = REQUEST_ENTRY_CNT_24XX;
1826 rsp_length = RESPONSE_ENTRY_CNT_2300;
1827 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1828 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1829 ha->gid_list_info_size = 8;
1830 ha->optrom_size = OPTROM_SIZE_24XX;
1831 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
1832 ha->isp_ops = &qla24xx_isp_ops;
1833 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
1834 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
1835 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
1836 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
1837 } else if (IS_QLA25XX(ha)) {
1838 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1839 req_length = REQUEST_ENTRY_CNT_24XX;
1840 rsp_length = RESPONSE_ENTRY_CNT_2300;
1841 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1842 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1843 ha->gid_list_info_size = 8;
1844 ha->optrom_size = OPTROM_SIZE_25XX;
1845 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
1846 ha->isp_ops = &qla25xx_isp_ops;
1847 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
1848 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
1849 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
1850 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
1851 } else if (IS_QLA81XX(ha)) {
1852 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1853 req_length = REQUEST_ENTRY_CNT_24XX;
1854 rsp_length = RESPONSE_ENTRY_CNT_2300;
1855 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1856 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
1857 ha->gid_list_info_size = 8;
1858 ha->optrom_size = OPTROM_SIZE_81XX;
1859 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
1860 ha->isp_ops = &qla81xx_isp_ops;
1861 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
1862 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
1863 ha->nvram_conf_off = ~0;
1864 ha->nvram_data_off = ~0;
1865 }
1866
1867 mutex_init(&ha->vport_lock);
1868 init_completion(&ha->mbx_cmd_comp);
1869 complete(&ha->mbx_cmd_comp);
1870 init_completion(&ha->mbx_intr_comp);
1871
1872 set_bit(0, (unsigned long *) ha->vp_idx_map);
1873
1874 qla2x00_config_dma_addressing(ha);
1875 ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
1876 if (!ret) {
1877 qla_printk(KERN_WARNING, ha,
1878 "[ERROR] Failed to allocate memory for adapter\n");
1879
1880 goto probe_hw_failed;
1881 }
1882
1883 req->max_q_depth = MAX_Q_DEPTH;
1884 if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
1885 req->max_q_depth = ql2xmaxqdepth;
1886
1887
1888 base_vha = qla2x00_create_host(sht, ha);
1889 if (!base_vha) {
1890 qla_printk(KERN_WARNING, ha,
1891 "[ERROR] Failed to allocate memory for scsi_host\n");
1892
1893 ret = -ENOMEM;
1894 qla2x00_mem_free(ha);
1895 qla2x00_free_req_que(ha, req);
1896 qla2x00_free_rsp_que(ha, rsp);
1897 goto probe_hw_failed;
1898 }
1899
1900 pci_set_drvdata(pdev, base_vha);
1901
1902 host = base_vha->host;
1903 base_vha->req = req;
1904 host->can_queue = req->length + 128;
1905 if (IS_QLA2XXX_MIDTYPE(ha))
1906 base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
1907 else
1908 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
1909 base_vha->vp_idx;
1910 if (IS_QLA2100(ha))
1911 host->sg_tablesize = 32;
1912 host->max_id = max_id;
1913 host->this_id = 255;
1914 host->cmd_per_lun = 3;
1915 host->unique_id = host->host_no;
1916 host->max_cmd_len = MAX_CMDSZ;
1917 host->max_channel = MAX_BUSES - 1;
1918 host->max_lun = MAX_LUNS;
1919 host->transportt = qla2xxx_transport_template;
1920
1921 /* Set up the irqs */
1922 ret = qla2x00_request_irqs(ha, rsp);
1923 if (ret)
1924 goto probe_init_failed;
1925 /* Alloc arrays of request and response ring ptrs */
1926 if (!qla2x00_alloc_queues(ha)) {
1927 qla_printk(KERN_WARNING, ha,
1928 "[ERROR] Failed to allocate memory for queue"
1929 " pointers\n");
1930 goto probe_init_failed;
1931 }
1932 ha->rsp_q_map[0] = rsp;
1933 ha->req_q_map[0] = req;
1934 rsp->req = req;
1935 req->rsp = rsp;
1936 set_bit(0, ha->req_qid_map);
1937 set_bit(0, ha->rsp_qid_map);
1938 /* FWI2-capable only. */
1939 req->req_q_in = &ha->iobase->isp24.req_q_in;
1940 req->req_q_out = &ha->iobase->isp24.req_q_out;
1941 rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
1942 rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
1943 if (ha->mqenable) {
1944 req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
1945 req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
1946 rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
1947 rsp->rsp_q_out = &ha->mqiobase->isp25mq.rsp_q_out;
1948 }
1949
1950 if (qla2x00_initialize_adapter(base_vha)) {
1951 qla_printk(KERN_WARNING, ha,
1952 "Failed to initialize adapter\n");
1953
1954 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1955 "Adapter flags %x.\n",
1956 base_vha->host_no, base_vha->device_flags));
1957
1958 ret = -ENODEV;
1959 goto probe_failed;
1960 }
1961
1962 if (ha->mqenable)
1963 if (qla25xx_setup_mode(base_vha))
1964 qla_printk(KERN_WARNING, ha,
1965 "Can't create queues, falling back to single"
1966 " queue mode\n");
1967
1968 if (ha->flags.running_gold_fw)
1969 goto skip_dpc;
1970
1971 /*
1972 * Startup the kernel thread for this host adapter
1973 */
1974 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
1975 "%s_dpc", base_vha->host_str);
1976 if (IS_ERR(ha->dpc_thread)) {
1977 qla_printk(KERN_WARNING, ha,
1978 "Unable to start DPC thread!\n");
1979 ret = PTR_ERR(ha->dpc_thread);
1980 goto probe_failed;
1981 }
1982
1983 skip_dpc:
1984 list_add_tail(&base_vha->list, &ha->vp_list);
1985 base_vha->host->irq = ha->pdev->irq;
1986
1987 /* Initialized the timer */
1988 qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
1989
1990 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
1991 base_vha->host_no, ha));
1992
1993 base_vha->flags.init_done = 1;
1994 base_vha->flags.online = 1;
1995
1996 ret = scsi_add_host(host, &pdev->dev);
1997 if (ret)
1998 goto probe_failed;
1999
2000 ha->isp_ops->enable_intrs(ha);
2001
2002 scsi_scan_host(host);
2003
2004 qla2x00_alloc_sysfs_attr(base_vha);
2005
2006 qla2x00_init_host_attr(base_vha);
2007
2008 qla2x00_dfs_setup(base_vha);
2009
2010 qla_printk(KERN_INFO, ha, "\n"
2011 " QLogic Fibre Channel HBA Driver: %s\n"
2012 " QLogic %s - %s\n"
2013 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
2014 qla2x00_version_str, ha->model_number,
2015 ha->model_desc ? ha->model_desc : "", pdev->device,
2016 ha->isp_ops->pci_info_str(base_vha, pci_info), pci_name(pdev),
2017 ha->flags.enable_64bit_addressing ? '+' : '-', base_vha->host_no,
2018 ha->isp_ops->fw_version_str(base_vha, fw_str));
2019
2020 return 0;
2021
2022 probe_init_failed:
2023 qla2x00_free_req_que(ha, req);
2024 qla2x00_free_rsp_que(ha, rsp);
2025 ha->max_req_queues = ha->max_rsp_queues = 0;
2026
2027 probe_failed:
2028 if (base_vha->timer_active)
2029 qla2x00_stop_timer(base_vha);
2030 base_vha->flags.online = 0;
2031 if (ha->dpc_thread) {
2032 struct task_struct *t = ha->dpc_thread;
2033
2034 ha->dpc_thread = NULL;
2035 kthread_stop(t);
2036 }
2037
2038 qla2x00_free_device(base_vha);
2039
2040 scsi_host_put(base_vha->host);
2041
2042 probe_hw_failed:
2043 if (ha->iobase)
2044 iounmap(ha->iobase);
2045
2046 pci_release_selected_regions(ha->pdev, ha->bars);
2047 kfree(ha);
2048 ha = NULL;
2049
2050 probe_out:
2051 pci_disable_device(pdev);
2052 return ret;
2053 }
2054
2055 static void
2056 qla2x00_remove_one(struct pci_dev *pdev)
2057 {
2058 scsi_qla_host_t *base_vha, *vha, *temp;
2059 struct qla_hw_data *ha;
2060
2061 base_vha = pci_get_drvdata(pdev);
2062 ha = base_vha->hw;
2063
2064 list_for_each_entry_safe(vha, temp, &ha->vp_list, list) {
2065 if (vha && vha->fc_vport)
2066 fc_vport_terminate(vha->fc_vport);
2067 }
2068
2069 set_bit(UNLOADING, &base_vha->dpc_flags);
2070
2071 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
2072
2073 qla2x00_dfs_remove(base_vha);
2074
2075 qla84xx_put_chip(base_vha);
2076
2077 /* Disable timer */
2078 if (base_vha->timer_active)
2079 qla2x00_stop_timer(base_vha);
2080
2081 base_vha->flags.online = 0;
2082
2083 /* Flush the work queue and remove it */
2084 if (ha->wq) {
2085 flush_workqueue(ha->wq);
2086 destroy_workqueue(ha->wq);
2087 ha->wq = NULL;
2088 }
2089
2090 /* Kill the kernel thread for this host */
2091 if (ha->dpc_thread) {
2092 struct task_struct *t = ha->dpc_thread;
2093
2094 /*
2095 * qla2xxx_wake_dpc checks for ->dpc_thread
2096 * so we need to zero it out.
2097 */
2098 ha->dpc_thread = NULL;
2099 kthread_stop(t);
2100 }
2101
2102 qla2x00_free_sysfs_attr(base_vha);
2103
2104 fc_remove_host(base_vha->host);
2105
2106 scsi_remove_host(base_vha->host);
2107
2108 qla2x00_free_device(base_vha);
2109
2110 scsi_host_put(base_vha->host);
2111
2112 if (ha->iobase)
2113 iounmap(ha->iobase);
2114
2115 if (ha->mqiobase)
2116 iounmap(ha->mqiobase);
2117
2118 pci_release_selected_regions(ha->pdev, ha->bars);
2119 kfree(ha);
2120 ha = NULL;
2121
2122 pci_disable_device(pdev);
2123 pci_set_drvdata(pdev, NULL);
2124 }
2125
2126 static void
2127 qla2x00_free_device(scsi_qla_host_t *vha)
2128 {
2129 struct qla_hw_data *ha = vha->hw;
2130
2131 qla25xx_delete_queues(vha);
2132
2133 if (ha->flags.fce_enabled)
2134 qla2x00_disable_fce_trace(vha, NULL, NULL);
2135
2136 if (ha->eft)
2137 qla2x00_disable_eft_trace(vha);
2138
2139 /* Stop currently executing firmware. */
2140 qla2x00_try_to_stop_firmware(vha);
2141
2142 /* turn-off interrupts on the card */
2143 if (ha->interrupts_on)
2144 ha->isp_ops->disable_intrs(ha);
2145
2146 qla2x00_free_irqs(vha);
2147
2148 qla2x00_mem_free(ha);
2149
2150 qla2x00_free_queues(ha);
2151 }
2152
2153 static inline void
2154 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
2155 int defer)
2156 {
2157 struct fc_rport *rport;
2158
2159 if (!fcport->rport)
2160 return;
2161
2162 rport = fcport->rport;
2163 if (defer) {
2164 spin_lock_irq(vha->host->host_lock);
2165 fcport->drport = rport;
2166 spin_unlock_irq(vha->host->host_lock);
2167 set_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags);
2168 qla2xxx_wake_dpc(vha);
2169 } else
2170 fc_remote_port_delete(rport);
2171 }
2172
2173 /*
2174 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
2175 *
2176 * Input: ha = adapter block pointer. fcport = port structure pointer.
2177 *
2178 * Return: None.
2179 *
2180 * Context:
2181 */
2182 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
2183 int do_login, int defer)
2184 {
2185 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2186 vha->vp_idx == fcport->vp_idx) {
2187 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2188 qla2x00_schedule_rport_del(vha, fcport, defer);
2189 }
2190 /*
2191 * We may need to retry the login, so don't change the state of the
2192 * port but do the retries.
2193 */
2194 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
2195 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2196
2197 if (!do_login)
2198 return;
2199
2200 if (fcport->login_retry == 0) {
2201 fcport->login_retry = vha->hw->login_retry_count;
2202 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2203
2204 DEBUG(printk("scsi(%ld): Port login retry: "
2205 "%02x%02x%02x%02x%02x%02x%02x%02x, "
2206 "id = 0x%04x retry cnt=%d\n",
2207 vha->host_no,
2208 fcport->port_name[0],
2209 fcport->port_name[1],
2210 fcport->port_name[2],
2211 fcport->port_name[3],
2212 fcport->port_name[4],
2213 fcport->port_name[5],
2214 fcport->port_name[6],
2215 fcport->port_name[7],
2216 fcport->loop_id,
2217 fcport->login_retry));
2218 }
2219 }
2220
2221 /*
2222 * qla2x00_mark_all_devices_lost
2223 * Updates fcport state when device goes offline.
2224 *
2225 * Input:
2226 * ha = adapter block pointer.
2227 * fcport = port structure pointer.
2228 *
2229 * Return:
2230 * None.
2231 *
2232 * Context:
2233 */
2234 void
2235 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
2236 {
2237 fc_port_t *fcport;
2238
2239 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2240 if (vha->vp_idx != fcport->vp_idx)
2241 continue;
2242 /*
2243 * No point in marking the device as lost, if the device is
2244 * already DEAD.
2245 */
2246 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
2247 continue;
2248 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2249 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2250 qla2x00_schedule_rport_del(vha, fcport, defer);
2251 } else
2252 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2253 }
2254 }
2255
2256 /*
2257 * qla2x00_mem_alloc
2258 * Allocates adapter memory.
2259 *
2260 * Returns:
2261 * 0 = success.
2262 * !0 = failure.
2263 */
2264 static int
2265 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
2266 struct req_que **req, struct rsp_que **rsp)
2267 {
2268 char name[16];
2269
2270 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
2271 &ha->init_cb_dma, GFP_KERNEL);
2272 if (!ha->init_cb)
2273 goto fail;
2274
2275 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2276 &ha->gid_list_dma, GFP_KERNEL);
2277 if (!ha->gid_list)
2278 goto fail_free_init_cb;
2279
2280 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2281 if (!ha->srb_mempool)
2282 goto fail_free_gid_list;
2283
2284 /* Get memory for cached NVRAM */
2285 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2286 if (!ha->nvram)
2287 goto fail_free_srb_mempool;
2288
2289 snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
2290 ha->pdev->device);
2291 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2292 DMA_POOL_SIZE, 8, 0);
2293 if (!ha->s_dma_pool)
2294 goto fail_free_nvram;
2295
2296 /* Allocate memory for SNS commands */
2297 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2298 /* Get consistent memory allocated for SNS commands */
2299 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
2300 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
2301 if (!ha->sns_cmd)
2302 goto fail_dma_pool;
2303 } else {
2304 /* Get consistent memory allocated for MS IOCB */
2305 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2306 &ha->ms_iocb_dma);
2307 if (!ha->ms_iocb)
2308 goto fail_dma_pool;
2309 /* Get consistent memory allocated for CT SNS commands */
2310 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
2311 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
2312 if (!ha->ct_sns)
2313 goto fail_free_ms_iocb;
2314 }
2315
2316 /* Allocate memory for request ring */
2317 *req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
2318 if (!*req) {
2319 DEBUG(printk("Unable to allocate memory for req\n"));
2320 goto fail_req;
2321 }
2322 (*req)->length = req_len;
2323 (*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
2324 ((*req)->length + 1) * sizeof(request_t),
2325 &(*req)->dma, GFP_KERNEL);
2326 if (!(*req)->ring) {
2327 DEBUG(printk("Unable to allocate memory for req_ring\n"));
2328 goto fail_req_ring;
2329 }
2330 /* Allocate memory for response ring */
2331 *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
2332 if (!*rsp) {
2333 qla_printk(KERN_WARNING, ha,
2334 "Unable to allocate memory for rsp\n");
2335 goto fail_rsp;
2336 }
2337 (*rsp)->hw = ha;
2338 (*rsp)->length = rsp_len;
2339 (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
2340 ((*rsp)->length + 1) * sizeof(response_t),
2341 &(*rsp)->dma, GFP_KERNEL);
2342 if (!(*rsp)->ring) {
2343 qla_printk(KERN_WARNING, ha,
2344 "Unable to allocate memory for rsp_ring\n");
2345 goto fail_rsp_ring;
2346 }
2347 (*req)->rsp = *rsp;
2348 (*rsp)->req = *req;
2349 /* Allocate memory for NVRAM data for vports */
2350 if (ha->nvram_npiv_size) {
2351 ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
2352 ha->nvram_npiv_size, GFP_KERNEL);
2353 if (!ha->npiv_info) {
2354 qla_printk(KERN_WARNING, ha,
2355 "Unable to allocate memory for npiv info\n");
2356 goto fail_npiv_info;
2357 }
2358 } else
2359 ha->npiv_info = NULL;
2360
2361 /* Get consistent memory allocated for EX-INIT-CB. */
2362 if (IS_QLA81XX(ha)) {
2363 ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2364 &ha->ex_init_cb_dma);
2365 if (!ha->ex_init_cb)
2366 goto fail_ex_init_cb;
2367 }
2368
2369 INIT_LIST_HEAD(&ha->vp_list);
2370 return 1;
2371
2372 fail_ex_init_cb:
2373 kfree(ha->npiv_info);
2374 fail_npiv_info:
2375 dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
2376 sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
2377 (*rsp)->ring = NULL;
2378 (*rsp)->dma = 0;
2379 fail_rsp_ring:
2380 kfree(*rsp);
2381 fail_rsp:
2382 dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
2383 sizeof(request_t), (*req)->ring, (*req)->dma);
2384 (*req)->ring = NULL;
2385 (*req)->dma = 0;
2386 fail_req_ring:
2387 kfree(*req);
2388 fail_req:
2389 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2390 ha->ct_sns, ha->ct_sns_dma);
2391 ha->ct_sns = NULL;
2392 ha->ct_sns_dma = 0;
2393 fail_free_ms_iocb:
2394 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2395 ha->ms_iocb = NULL;
2396 ha->ms_iocb_dma = 0;
2397 fail_dma_pool:
2398 dma_pool_destroy(ha->s_dma_pool);
2399 ha->s_dma_pool = NULL;
2400 fail_free_nvram:
2401 kfree(ha->nvram);
2402 ha->nvram = NULL;
2403 fail_free_srb_mempool:
2404 mempool_destroy(ha->srb_mempool);
2405 ha->srb_mempool = NULL;
2406 fail_free_gid_list:
2407 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2408 ha->gid_list_dma);
2409 ha->gid_list = NULL;
2410 ha->gid_list_dma = 0;
2411 fail_free_init_cb:
2412 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
2413 ha->init_cb_dma);
2414 ha->init_cb = NULL;
2415 ha->init_cb_dma = 0;
2416 fail:
2417 DEBUG(printk("%s: Memory allocation failure\n", __func__));
2418 return -ENOMEM;
2419 }
2420
2421 /*
2422 * qla2x00_mem_free
2423 * Frees all adapter allocated memory.
2424 *
2425 * Input:
2426 * ha = adapter block pointer.
2427 */
2428 static void
2429 qla2x00_mem_free(struct qla_hw_data *ha)
2430 {
2431 if (ha->srb_mempool)
2432 mempool_destroy(ha->srb_mempool);
2433
2434 if (ha->fce)
2435 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
2436 ha->fce_dma);
2437
2438 if (ha->fw_dump) {
2439 if (ha->eft)
2440 dma_free_coherent(&ha->pdev->dev,
2441 ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
2442 vfree(ha->fw_dump);
2443 }
2444
2445 if (ha->dcbx_tlv)
2446 dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
2447 ha->dcbx_tlv, ha->dcbx_tlv_dma);
2448
2449 if (ha->xgmac_data)
2450 dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
2451 ha->xgmac_data, ha->xgmac_data_dma);
2452
2453 if (ha->sns_cmd)
2454 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2455 ha->sns_cmd, ha->sns_cmd_dma);
2456
2457 if (ha->ct_sns)
2458 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2459 ha->ct_sns, ha->ct_sns_dma);
2460
2461 if (ha->sfp_data)
2462 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2463
2464 if (ha->edc_data)
2465 dma_pool_free(ha->s_dma_pool, ha->edc_data, ha->edc_data_dma);
2466
2467 if (ha->ms_iocb)
2468 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2469
2470 if (ha->ex_init_cb)
2471 dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
2472
2473 if (ha->s_dma_pool)
2474 dma_pool_destroy(ha->s_dma_pool);
2475
2476 if (ha->gid_list)
2477 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2478 ha->gid_list_dma);
2479
2480 if (ha->init_cb)
2481 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2482 ha->init_cb, ha->init_cb_dma);
2483 vfree(ha->optrom_buffer);
2484 kfree(ha->nvram);
2485 kfree(ha->npiv_info);
2486
2487 ha->srb_mempool = NULL;
2488 ha->eft = NULL;
2489 ha->eft_dma = 0;
2490 ha->sns_cmd = NULL;
2491 ha->sns_cmd_dma = 0;
2492 ha->ct_sns = NULL;
2493 ha->ct_sns_dma = 0;
2494 ha->ms_iocb = NULL;
2495 ha->ms_iocb_dma = 0;
2496 ha->init_cb = NULL;
2497 ha->init_cb_dma = 0;
2498 ha->ex_init_cb = NULL;
2499 ha->ex_init_cb_dma = 0;
2500
2501 ha->s_dma_pool = NULL;
2502
2503 ha->gid_list = NULL;
2504 ha->gid_list_dma = 0;
2505
2506 ha->fw_dump = NULL;
2507 ha->fw_dumped = 0;
2508 ha->fw_dump_reading = 0;
2509 }
2510
2511 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
2512 struct qla_hw_data *ha)
2513 {
2514 struct Scsi_Host *host;
2515 struct scsi_qla_host *vha = NULL;
2516
2517 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
2518 if (host == NULL) {
2519 printk(KERN_WARNING
2520 "qla2xxx: Couldn't allocate host from scsi layer!\n");
2521 goto fail;
2522 }
2523
2524 /* Clear our data area */
2525 vha = shost_priv(host);
2526 memset(vha, 0, sizeof(scsi_qla_host_t));
2527
2528 vha->host = host;
2529 vha->host_no = host->host_no;
2530 vha->hw = ha;
2531
2532 INIT_LIST_HEAD(&vha->vp_fcports);
2533 INIT_LIST_HEAD(&vha->work_list);
2534 INIT_LIST_HEAD(&vha->list);
2535
2536 spin_lock_init(&vha->work_lock);
2537
2538 sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
2539 return vha;
2540
2541 fail:
2542 return vha;
2543 }
2544
2545 static struct qla_work_evt *
2546 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
2547 {
2548 struct qla_work_evt *e;
2549
2550 e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
2551 if (!e)
2552 return NULL;
2553
2554 INIT_LIST_HEAD(&e->list);
2555 e->type = type;
2556 e->flags = QLA_EVT_FLAG_FREE;
2557 return e;
2558 }
2559
2560 static int
2561 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
2562 {
2563 unsigned long flags;
2564
2565 spin_lock_irqsave(&vha->work_lock, flags);
2566 list_add_tail(&e->list, &vha->work_list);
2567 spin_unlock_irqrestore(&vha->work_lock, flags);
2568 qla2xxx_wake_dpc(vha);
2569
2570 return QLA_SUCCESS;
2571 }
2572
2573 int
2574 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
2575 u32 data)
2576 {
2577 struct qla_work_evt *e;
2578
2579 e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
2580 if (!e)
2581 return QLA_FUNCTION_FAILED;
2582
2583 e->u.aen.code = code;
2584 e->u.aen.data = data;
2585 return qla2x00_post_work(vha, e);
2586 }
2587
2588 int
2589 qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
2590 {
2591 struct qla_work_evt *e;
2592
2593 e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
2594 if (!e)
2595 return QLA_FUNCTION_FAILED;
2596
2597 memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
2598 return qla2x00_post_work(vha, e);
2599 }
2600
2601 static void
2602 qla2x00_do_work(struct scsi_qla_host *vha)
2603 {
2604 struct qla_work_evt *e, *tmp;
2605 unsigned long flags;
2606 LIST_HEAD(work);
2607
2608 spin_lock_irqsave(&vha->work_lock, flags);
2609 list_splice_init(&vha->work_list, &work);
2610 spin_unlock_irqrestore(&vha->work_lock, flags);
2611
2612 list_for_each_entry_safe(e, tmp, &work, list) {
2613 list_del_init(&e->list);
2614
2615 switch (e->type) {
2616 case QLA_EVT_AEN:
2617 fc_host_post_event(vha->host, fc_get_event_number(),
2618 e->u.aen.code, e->u.aen.data);
2619 break;
2620 case QLA_EVT_IDC_ACK:
2621 qla81xx_idc_ack(vha, e->u.idc_ack.mb);
2622 break;
2623 }
2624 if (e->flags & QLA_EVT_FLAG_FREE)
2625 kfree(e);
2626 }
2627 }
2628
2629 /* Relogins all the fcports of a vport
2630 * Context: dpc thread
2631 */
2632 void qla2x00_relogin(struct scsi_qla_host *vha)
2633 {
2634 fc_port_t *fcport;
2635 int status;
2636 uint16_t next_loopid = 0;
2637 struct qla_hw_data *ha = vha->hw;
2638
2639 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2640 /*
2641 * If the port is not ONLINE then try to login
2642 * to it if we haven't run out of retries.
2643 */
2644 if (atomic_read(&fcport->state) !=
2645 FCS_ONLINE && fcport->login_retry) {
2646
2647 if (fcport->flags & FCF_FABRIC_DEVICE) {
2648 if (fcport->flags & FCF_TAPE_PRESENT)
2649 ha->isp_ops->fabric_logout(vha,
2650 fcport->loop_id,
2651 fcport->d_id.b.domain,
2652 fcport->d_id.b.area,
2653 fcport->d_id.b.al_pa);
2654
2655 status = qla2x00_fabric_login(vha, fcport,
2656 &next_loopid);
2657 } else
2658 status = qla2x00_local_device_login(vha,
2659 fcport);
2660
2661 fcport->login_retry--;
2662 if (status == QLA_SUCCESS) {
2663 fcport->old_loop_id = fcport->loop_id;
2664
2665 DEBUG(printk("scsi(%ld): port login OK: logged "
2666 "in ID 0x%x\n", vha->host_no, fcport->loop_id));
2667
2668 qla2x00_update_fcport(vha, fcport);
2669
2670 } else if (status == 1) {
2671 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2672 /* retry the login again */
2673 DEBUG(printk("scsi(%ld): Retrying"
2674 " %d login again loop_id 0x%x\n",
2675 vha->host_no, fcport->login_retry,
2676 fcport->loop_id));
2677 } else {
2678 fcport->login_retry = 0;
2679 }
2680
2681 if (fcport->login_retry == 0 && status != QLA_SUCCESS)
2682 fcport->loop_id = FC_NO_LOOP_ID;
2683 }
2684 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2685 break;
2686 }
2687 }
2688
2689 /**************************************************************************
2690 * qla2x00_do_dpc
2691 * This kernel thread is a task that is schedule by the interrupt handler
2692 * to perform the background processing for interrupts.
2693 *
2694 * Notes:
2695 * This task always run in the context of a kernel thread. It
2696 * is kick-off by the driver's detect code and starts up
2697 * up one per adapter. It immediately goes to sleep and waits for
2698 * some fibre event. When either the interrupt handler or
2699 * the timer routine detects a event it will one of the task
2700 * bits then wake us up.
2701 **************************************************************************/
2702 static int
2703 qla2x00_do_dpc(void *data)
2704 {
2705 int rval;
2706 scsi_qla_host_t *base_vha;
2707 struct qla_hw_data *ha;
2708
2709 ha = (struct qla_hw_data *)data;
2710 base_vha = pci_get_drvdata(ha->pdev);
2711
2712 set_user_nice(current, -20);
2713
2714 while (!kthread_should_stop()) {
2715 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2716
2717 set_current_state(TASK_INTERRUPTIBLE);
2718 schedule();
2719 __set_current_state(TASK_RUNNING);
2720
2721 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2722
2723 /* Initialization not yet finished. Don't do anything yet. */
2724 if (!base_vha->flags.init_done)
2725 continue;
2726
2727 DEBUG3(printk("scsi(%ld): DPC handler\n", base_vha->host_no));
2728
2729 ha->dpc_active = 1;
2730
2731 if (ha->flags.mbox_busy) {
2732 ha->dpc_active = 0;
2733 continue;
2734 }
2735
2736 qla2x00_do_work(base_vha);
2737
2738 if (test_and_clear_bit(ISP_ABORT_NEEDED,
2739 &base_vha->dpc_flags)) {
2740
2741 DEBUG(printk("scsi(%ld): dpc: sched "
2742 "qla2x00_abort_isp ha = %p\n",
2743 base_vha->host_no, ha));
2744 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
2745 &base_vha->dpc_flags))) {
2746
2747 if (qla2x00_abort_isp(base_vha)) {
2748 /* failed. retry later */
2749 set_bit(ISP_ABORT_NEEDED,
2750 &base_vha->dpc_flags);
2751 }
2752 clear_bit(ABORT_ISP_ACTIVE,
2753 &base_vha->dpc_flags);
2754 }
2755
2756 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
2757 base_vha->host_no));
2758 }
2759
2760 if (test_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags)) {
2761 qla2x00_update_fcports(base_vha);
2762 clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
2763 }
2764
2765 if (test_and_clear_bit(RESET_MARKER_NEEDED,
2766 &base_vha->dpc_flags) &&
2767 (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
2768
2769 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
2770 base_vha->host_no));
2771
2772 qla2x00_rst_aen(base_vha);
2773 clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
2774 }
2775
2776 /* Retry each device up to login retry count */
2777 if ((test_and_clear_bit(RELOGIN_NEEDED,
2778 &base_vha->dpc_flags)) &&
2779 !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
2780 atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
2781
2782 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
2783 base_vha->host_no));
2784 qla2x00_relogin(base_vha);
2785
2786 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
2787 base_vha->host_no));
2788 }
2789
2790 if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
2791 &base_vha->dpc_flags)) {
2792
2793 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
2794 base_vha->host_no));
2795
2796 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
2797 &base_vha->dpc_flags))) {
2798
2799 rval = qla2x00_loop_resync(base_vha);
2800
2801 clear_bit(LOOP_RESYNC_ACTIVE,
2802 &base_vha->dpc_flags);
2803 }
2804
2805 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
2806 base_vha->host_no));
2807 }
2808
2809 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
2810 atomic_read(&base_vha->loop_state) == LOOP_READY) {
2811 clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
2812 qla2xxx_flash_npiv_conf(base_vha);
2813 }
2814
2815 if (!ha->interrupts_on)
2816 ha->isp_ops->enable_intrs(ha);
2817
2818 if (test_and_clear_bit(BEACON_BLINK_NEEDED,
2819 &base_vha->dpc_flags))
2820 ha->isp_ops->beacon_blink(base_vha);
2821
2822 qla2x00_do_dpc_all_vps(base_vha);
2823
2824 ha->dpc_active = 0;
2825 } /* End of while(1) */
2826
2827 DEBUG(printk("scsi(%ld): DPC handler exiting\n", base_vha->host_no));
2828
2829 /*
2830 * Make sure that nobody tries to wake us up again.
2831 */
2832 ha->dpc_active = 0;
2833
2834 return 0;
2835 }
2836
2837 void
2838 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
2839 {
2840 struct qla_hw_data *ha = vha->hw;
2841 struct task_struct *t = ha->dpc_thread;
2842
2843 if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
2844 wake_up_process(t);
2845 }
2846
2847 /*
2848 * qla2x00_rst_aen
2849 * Processes asynchronous reset.
2850 *
2851 * Input:
2852 * ha = adapter block pointer.
2853 */
2854 static void
2855 qla2x00_rst_aen(scsi_qla_host_t *vha)
2856 {
2857 if (vha->flags.online && !vha->flags.reset_active &&
2858 !atomic_read(&vha->loop_down_timer) &&
2859 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
2860 do {
2861 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
2862
2863 /*
2864 * Issue marker command only when we are going to start
2865 * the I/O.
2866 */
2867 vha->marker_needed = 1;
2868 } while (!atomic_read(&vha->loop_down_timer) &&
2869 (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
2870 }
2871 }
2872
2873 static void
2874 qla2x00_sp_free_dma(srb_t *sp)
2875 {
2876 struct scsi_cmnd *cmd = sp->cmd;
2877
2878 if (sp->flags & SRB_DMA_VALID) {
2879 scsi_dma_unmap(cmd);
2880 sp->flags &= ~SRB_DMA_VALID;
2881 }
2882 CMD_SP(cmd) = NULL;
2883 }
2884
2885 void
2886 qla2x00_sp_compl(struct qla_hw_data *ha, srb_t *sp)
2887 {
2888 struct scsi_cmnd *cmd = sp->cmd;
2889
2890 qla2x00_sp_free_dma(sp);
2891
2892 mempool_free(sp, ha->srb_mempool);
2893
2894 cmd->scsi_done(cmd);
2895 }
2896
2897 /**************************************************************************
2898 * qla2x00_timer
2899 *
2900 * Description:
2901 * One second timer
2902 *
2903 * Context: Interrupt
2904 ***************************************************************************/
2905 void
2906 qla2x00_timer(scsi_qla_host_t *vha)
2907 {
2908 unsigned long cpu_flags = 0;
2909 fc_port_t *fcport;
2910 int start_dpc = 0;
2911 int index;
2912 srb_t *sp;
2913 int t;
2914 struct qla_hw_data *ha = vha->hw;
2915 struct req_que *req;
2916 /*
2917 * Ports - Port down timer.
2918 *
2919 * Whenever, a port is in the LOST state we start decrementing its port
2920 * down timer every second until it reaches zero. Once it reaches zero
2921 * the port it marked DEAD.
2922 */
2923 t = 0;
2924 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2925 if (fcport->port_type != FCT_TARGET)
2926 continue;
2927
2928 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2929
2930 if (atomic_read(&fcport->port_down_timer) == 0)
2931 continue;
2932
2933 if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
2934 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
2935
2936 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
2937 "%d remaining\n",
2938 vha->host_no,
2939 t, atomic_read(&fcport->port_down_timer)));
2940 }
2941 t++;
2942 } /* End of for fcport */
2943
2944
2945 /* Loop down handler. */
2946 if (atomic_read(&vha->loop_down_timer) > 0 &&
2947 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
2948 && vha->flags.online) {
2949
2950 if (atomic_read(&vha->loop_down_timer) ==
2951 vha->loop_down_abort_time) {
2952
2953 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2954 "queues before time expire\n",
2955 vha->host_no));
2956
2957 if (!IS_QLA2100(ha) && vha->link_down_timeout)
2958 atomic_set(&vha->loop_state, LOOP_DEAD);
2959
2960 /* Schedule an ISP abort to return any tape commands. */
2961 /* NPIV - scan physical port only */
2962 if (!vha->vp_idx) {
2963 spin_lock_irqsave(&ha->hardware_lock,
2964 cpu_flags);
2965 req = ha->req_q_map[0];
2966 for (index = 1;
2967 index < MAX_OUTSTANDING_COMMANDS;
2968 index++) {
2969 fc_port_t *sfcp;
2970
2971 sp = req->outstanding_cmds[index];
2972 if (!sp)
2973 continue;
2974 sfcp = sp->fcport;
2975 if (!(sfcp->flags & FCF_TAPE_PRESENT))
2976 continue;
2977
2978 set_bit(ISP_ABORT_NEEDED,
2979 &vha->dpc_flags);
2980 break;
2981 }
2982 spin_unlock_irqrestore(&ha->hardware_lock,
2983 cpu_flags);
2984 }
2985 start_dpc++;
2986 }
2987
2988 /* if the loop has been down for 4 minutes, reinit adapter */
2989 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
2990 if (!(vha->device_flags & DFLG_NO_CABLE) &&
2991 !vha->vp_idx) {
2992 DEBUG(printk("scsi(%ld): Loop down - "
2993 "aborting ISP.\n",
2994 vha->host_no));
2995 qla_printk(KERN_WARNING, ha,
2996 "Loop down - aborting ISP.\n");
2997
2998 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2999 }
3000 }
3001 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
3002 vha->host_no,
3003 atomic_read(&vha->loop_down_timer)));
3004 }
3005
3006 /* Check if beacon LED needs to be blinked */
3007 if (ha->beacon_blink_led == 1) {
3008 set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
3009 start_dpc++;
3010 }
3011
3012 /* Process any deferred work. */
3013 if (!list_empty(&vha->work_list))
3014 start_dpc++;
3015
3016 /* Schedule the DPC routine if needed */
3017 if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
3018 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
3019 test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
3020 start_dpc ||
3021 test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
3022 test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
3023 test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
3024 test_bit(RELOGIN_NEEDED, &vha->dpc_flags)))
3025 qla2xxx_wake_dpc(vha);
3026
3027 qla2x00_restart_timer(vha, WATCH_INTERVAL);
3028 }
3029
3030 /* Firmware interface routines. */
3031
3032 #define FW_BLOBS 7
3033 #define FW_ISP21XX 0
3034 #define FW_ISP22XX 1
3035 #define FW_ISP2300 2
3036 #define FW_ISP2322 3
3037 #define FW_ISP24XX 4
3038 #define FW_ISP25XX 5
3039 #define FW_ISP81XX 6
3040
3041 #define FW_FILE_ISP21XX "ql2100_fw.bin"
3042 #define FW_FILE_ISP22XX "ql2200_fw.bin"
3043 #define FW_FILE_ISP2300 "ql2300_fw.bin"
3044 #define FW_FILE_ISP2322 "ql2322_fw.bin"
3045 #define FW_FILE_ISP24XX "ql2400_fw.bin"
3046 #define FW_FILE_ISP25XX "ql2500_fw.bin"
3047 #define FW_FILE_ISP81XX "ql8100_fw.bin"
3048
3049 static DEFINE_MUTEX(qla_fw_lock);
3050
3051 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
3052 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
3053 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
3054 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
3055 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
3056 { .name = FW_FILE_ISP24XX, },
3057 { .name = FW_FILE_ISP25XX, },
3058 { .name = FW_FILE_ISP81XX, },
3059 };
3060
3061 struct fw_blob *
3062 qla2x00_request_firmware(scsi_qla_host_t *vha)
3063 {
3064 struct qla_hw_data *ha = vha->hw;
3065 struct fw_blob *blob;
3066
3067 blob = NULL;
3068 if (IS_QLA2100(ha)) {
3069 blob = &qla_fw_blobs[FW_ISP21XX];
3070 } else if (IS_QLA2200(ha)) {
3071 blob = &qla_fw_blobs[FW_ISP22XX];
3072 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
3073 blob = &qla_fw_blobs[FW_ISP2300];
3074 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
3075 blob = &qla_fw_blobs[FW_ISP2322];
3076 } else if (IS_QLA24XX_TYPE(ha)) {
3077 blob = &qla_fw_blobs[FW_ISP24XX];
3078 } else if (IS_QLA25XX(ha)) {
3079 blob = &qla_fw_blobs[FW_ISP25XX];
3080 } else if (IS_QLA81XX(ha)) {
3081 blob = &qla_fw_blobs[FW_ISP81XX];
3082 }
3083
3084 mutex_lock(&qla_fw_lock);
3085 if (blob->fw)
3086 goto out;
3087
3088 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
3089 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
3090 "(%s).\n", vha->host_no, blob->name));
3091 blob->fw = NULL;
3092 blob = NULL;
3093 goto out;
3094 }
3095
3096 out:
3097 mutex_unlock(&qla_fw_lock);
3098 return blob;
3099 }
3100
3101 static void
3102 qla2x00_release_firmware(void)
3103 {
3104 int idx;
3105
3106 mutex_lock(&qla_fw_lock);
3107 for (idx = 0; idx < FW_BLOBS; idx++)
3108 if (qla_fw_blobs[idx].fw)
3109 release_firmware(qla_fw_blobs[idx].fw);
3110 mutex_unlock(&qla_fw_lock);
3111 }
3112
3113 static pci_ers_result_t
3114 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
3115 {
3116 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3117
3118 switch (state) {
3119 case pci_channel_io_normal:
3120 return PCI_ERS_RESULT_CAN_RECOVER;
3121 case pci_channel_io_frozen:
3122 pci_disable_device(pdev);
3123 return PCI_ERS_RESULT_NEED_RESET;
3124 case pci_channel_io_perm_failure:
3125 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
3126 return PCI_ERS_RESULT_DISCONNECT;
3127 }
3128 return PCI_ERS_RESULT_NEED_RESET;
3129 }
3130
3131 static pci_ers_result_t
3132 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
3133 {
3134 int risc_paused = 0;
3135 uint32_t stat;
3136 unsigned long flags;
3137 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3138 struct qla_hw_data *ha = base_vha->hw;
3139 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3140 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
3141
3142 spin_lock_irqsave(&ha->hardware_lock, flags);
3143 if (IS_QLA2100(ha) || IS_QLA2200(ha)){
3144 stat = RD_REG_DWORD(&reg->hccr);
3145 if (stat & HCCR_RISC_PAUSE)
3146 risc_paused = 1;
3147 } else if (IS_QLA23XX(ha)) {
3148 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
3149 if (stat & HSR_RISC_PAUSED)
3150 risc_paused = 1;
3151 } else if (IS_FWI2_CAPABLE(ha)) {
3152 stat = RD_REG_DWORD(&reg24->host_status);
3153 if (stat & HSRX_RISC_PAUSED)
3154 risc_paused = 1;
3155 }
3156 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3157
3158 if (risc_paused) {
3159 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
3160 "Dumping firmware!\n");
3161 ha->isp_ops->fw_dump(base_vha, 0);
3162
3163 return PCI_ERS_RESULT_NEED_RESET;
3164 } else
3165 return PCI_ERS_RESULT_RECOVERED;
3166 }
3167
3168 static pci_ers_result_t
3169 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
3170 {
3171 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
3172 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3173 struct qla_hw_data *ha = base_vha->hw;
3174 int rc;
3175
3176 if (ha->mem_only)
3177 rc = pci_enable_device_mem(pdev);
3178 else
3179 rc = pci_enable_device(pdev);
3180
3181 if (rc) {
3182 qla_printk(KERN_WARNING, ha,
3183 "Can't re-enable PCI device after reset.\n");
3184
3185 return ret;
3186 }
3187 pci_set_master(pdev);
3188
3189 if (ha->isp_ops->pci_config(base_vha))
3190 return ret;
3191
3192 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3193 if (qla2x00_abort_isp(base_vha) == QLA_SUCCESS)
3194 ret = PCI_ERS_RESULT_RECOVERED;
3195 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3196
3197 return ret;
3198 }
3199
3200 static void
3201 qla2xxx_pci_resume(struct pci_dev *pdev)
3202 {
3203 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3204 struct qla_hw_data *ha = base_vha->hw;
3205 int ret;
3206
3207 ret = qla2x00_wait_for_hba_online(base_vha);
3208 if (ret != QLA_SUCCESS) {
3209 qla_printk(KERN_ERR, ha,
3210 "the device failed to resume I/O "
3211 "from slot/link_reset");
3212 }
3213 pci_cleanup_aer_uncorrect_error_status(pdev);
3214 }
3215
3216 static struct pci_error_handlers qla2xxx_err_handler = {
3217 .error_detected = qla2xxx_pci_error_detected,
3218 .mmio_enabled = qla2xxx_pci_mmio_enabled,
3219 .slot_reset = qla2xxx_pci_slot_reset,
3220 .resume = qla2xxx_pci_resume,
3221 };
3222
3223 static struct pci_device_id qla2xxx_pci_tbl[] = {
3224 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
3225 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
3226 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
3227 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
3228 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
3229 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
3230 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
3231 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
3232 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
3233 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
3234 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
3235 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
3236 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
3237 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
3238 { 0 },
3239 };
3240 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
3241
3242 static struct pci_driver qla2xxx_pci_driver = {
3243 .name = QLA2XXX_DRIVER_NAME,
3244 .driver = {
3245 .owner = THIS_MODULE,
3246 },
3247 .id_table = qla2xxx_pci_tbl,
3248 .probe = qla2x00_probe_one,
3249 .remove = qla2x00_remove_one,
3250 .err_handler = &qla2xxx_err_handler,
3251 };
3252
3253 /**
3254 * qla2x00_module_init - Module initialization.
3255 **/
3256 static int __init
3257 qla2x00_module_init(void)
3258 {
3259 int ret = 0;
3260
3261 /* Allocate cache for SRBs. */
3262 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
3263 SLAB_HWCACHE_ALIGN, NULL);
3264 if (srb_cachep == NULL) {
3265 printk(KERN_ERR
3266 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
3267 return -ENOMEM;
3268 }
3269
3270 /* Derive version string. */
3271 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
3272 if (ql2xextended_error_logging)
3273 strcat(qla2x00_version_str, "-debug");
3274
3275 qla2xxx_transport_template =
3276 fc_attach_transport(&qla2xxx_transport_functions);
3277 if (!qla2xxx_transport_template) {
3278 kmem_cache_destroy(srb_cachep);
3279 return -ENODEV;
3280 }
3281 qla2xxx_transport_vport_template =
3282 fc_attach_transport(&qla2xxx_transport_vport_functions);
3283 if (!qla2xxx_transport_vport_template) {
3284 kmem_cache_destroy(srb_cachep);
3285 fc_release_transport(qla2xxx_transport_template);
3286 return -ENODEV;
3287 }
3288
3289 printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n",
3290 qla2x00_version_str);
3291 ret = pci_register_driver(&qla2xxx_pci_driver);
3292 if (ret) {
3293 kmem_cache_destroy(srb_cachep);
3294 fc_release_transport(qla2xxx_transport_template);
3295 fc_release_transport(qla2xxx_transport_vport_template);
3296 }
3297 return ret;
3298 }
3299
3300 /**
3301 * qla2x00_module_exit - Module cleanup.
3302 **/
3303 static void __exit
3304 qla2x00_module_exit(void)
3305 {
3306 pci_unregister_driver(&qla2xxx_pci_driver);
3307 qla2x00_release_firmware();
3308 kmem_cache_destroy(srb_cachep);
3309 fc_release_transport(qla2xxx_transport_template);
3310 fc_release_transport(qla2xxx_transport_vport_template);
3311 }
3312
3313 module_init(qla2x00_module_init);
3314 module_exit(qla2x00_module_exit);
3315
3316 MODULE_AUTHOR("QLogic Corporation");
3317 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
3318 MODULE_LICENSE("GPL");
3319 MODULE_VERSION(QLA2XXX_VERSION);
3320 MODULE_FIRMWARE(FW_FILE_ISP21XX);
3321 MODULE_FIRMWARE(FW_FILE_ISP22XX);
3322 MODULE_FIRMWARE(FW_FILE_ISP2300);
3323 MODULE_FIRMWARE(FW_FILE_ISP2322);
3324 MODULE_FIRMWARE(FW_FILE_ISP24XX);
3325 MODULE_FIRMWARE(FW_FILE_ISP25XX);
3326 MODULE_FIRMWARE(FW_FILE_ISP81XX);
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