?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
MERGE-master-patchset-edits
[linux-2.6/openmoko-kernel.git] / drivers / scsi / qla2xxx / qla_os.c
blobc11f872d3e105776f76b9fe566f24289bb87d331
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 ql2xqfullrampup = 120;
81 module_param(ql2xqfullrampup, int, S_IRUGO|S_IWUSR);
82 MODULE_PARM_DESC(ql2xqfullrampup,
83 "Number of seconds to wait to begin to ramp-up the queue "
84 "depth for a device after a queue-full condition has been "
85 "detected. Default is 120 seconds.");
86
87 int ql2xiidmaenable=1;
88 module_param(ql2xiidmaenable, int, S_IRUGO|S_IRUSR);
89 MODULE_PARM_DESC(ql2xiidmaenable,
90 "Enables iIDMA settings "
91 "Default is 1 - perform iIDMA. 0 - no iIDMA.");
92
93 int ql2xmaxqueues = 1;
94 module_param(ql2xmaxqueues, int, S_IRUGO|S_IRUSR);
95 MODULE_PARM_DESC(ql2xmaxqueues,
96 "Enables MQ settings "
97 "Default is 1 for single queue. Set it to number \
98 of queues in MQ mode.");
99 /*
100 * SCSI host template entry points
101 */
102 static int qla2xxx_slave_configure(struct scsi_device * device);
103 static int qla2xxx_slave_alloc(struct scsi_device *);
104 static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
105 static void qla2xxx_scan_start(struct Scsi_Host *);
106 static void qla2xxx_slave_destroy(struct scsi_device *);
107 static int qla2x00_queuecommand(struct scsi_cmnd *cmd,
108 void (*fn)(struct scsi_cmnd *));
109 static int qla24xx_queuecommand(struct scsi_cmnd *cmd,
110 void (*fn)(struct scsi_cmnd *));
111 static int qla2xxx_eh_abort(struct scsi_cmnd *);
112 static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
113 static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
114 static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
115 static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
116
117 static int qla2x00_change_queue_depth(struct scsi_device *, int);
118 static int qla2x00_change_queue_type(struct scsi_device *, int);
119
120 static struct scsi_host_template qla2x00_driver_template = {
121 .module = THIS_MODULE,
122 .name = QLA2XXX_DRIVER_NAME,
123 .queuecommand = qla2x00_queuecommand,
124
125 .eh_abort_handler = qla2xxx_eh_abort,
126 .eh_device_reset_handler = qla2xxx_eh_device_reset,
127 .eh_target_reset_handler = qla2xxx_eh_target_reset,
128 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
129 .eh_host_reset_handler = qla2xxx_eh_host_reset,
130
131 .slave_configure = qla2xxx_slave_configure,
132
133 .slave_alloc = qla2xxx_slave_alloc,
134 .slave_destroy = qla2xxx_slave_destroy,
135 .scan_finished = qla2xxx_scan_finished,
136 .scan_start = qla2xxx_scan_start,
137 .change_queue_depth = qla2x00_change_queue_depth,
138 .change_queue_type = qla2x00_change_queue_type,
139 .this_id = -1,
140 .cmd_per_lun = 3,
141 .use_clustering = ENABLE_CLUSTERING,
142 .sg_tablesize = SG_ALL,
143
144 /*
145 * The RISC allows for each command to transfer (2^32-1) bytes of data,
146 * which equates to 0x800000 sectors.
147 */
148 .max_sectors = 0xFFFF,
149 .shost_attrs = qla2x00_host_attrs,
150 };
151
152 struct scsi_host_template qla24xx_driver_template = {
153 .module = THIS_MODULE,
154 .name = QLA2XXX_DRIVER_NAME,
155 .queuecommand = qla24xx_queuecommand,
156
157 .eh_abort_handler = qla2xxx_eh_abort,
158 .eh_device_reset_handler = qla2xxx_eh_device_reset,
159 .eh_target_reset_handler = qla2xxx_eh_target_reset,
160 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
161 .eh_host_reset_handler = qla2xxx_eh_host_reset,
162
163 .slave_configure = qla2xxx_slave_configure,
164
165 .slave_alloc = qla2xxx_slave_alloc,
166 .slave_destroy = qla2xxx_slave_destroy,
167 .scan_finished = qla2xxx_scan_finished,
168 .scan_start = qla2xxx_scan_start,
169 .change_queue_depth = qla2x00_change_queue_depth,
170 .change_queue_type = qla2x00_change_queue_type,
171 .this_id = -1,
172 .cmd_per_lun = 3,
173 .use_clustering = ENABLE_CLUSTERING,
174 .sg_tablesize = SG_ALL,
175
176 .max_sectors = 0xFFFF,
177 .shost_attrs = qla2x00_host_attrs,
178 };
179
180 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
181 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
182
183 /* TODO Convert to inlines
184 *
185 * Timer routines
186 */
187
188 __inline__ void
189 qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval)
190 {
191 init_timer(&vha->timer);
192 vha->timer.expires = jiffies + interval * HZ;
193 vha->timer.data = (unsigned long)vha;
194 vha->timer.function = (void (*)(unsigned long))func;
195 add_timer(&vha->timer);
196 vha->timer_active = 1;
197 }
198
199 static inline void
200 qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
201 {
202 mod_timer(&vha->timer, jiffies + interval * HZ);
203 }
204
205 static __inline__ void
206 qla2x00_stop_timer(scsi_qla_host_t *vha)
207 {
208 del_timer_sync(&vha->timer);
209 vha->timer_active = 0;
210 }
211
212 static int qla2x00_do_dpc(void *data);
213
214 static void qla2x00_rst_aen(scsi_qla_host_t *);
215
216 static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
217 struct req_que **, struct rsp_que **);
218 static void qla2x00_mem_free(struct qla_hw_data *);
219 static void qla2x00_sp_free_dma(srb_t *);
220
221 /* -------------------------------------------------------------------------- */
222 static int qla2x00_alloc_queues(struct qla_hw_data *ha)
223 {
224 ha->req_q_map = kzalloc(sizeof(struct req_que *) * ha->max_queues,
225 GFP_KERNEL);
226 if (!ha->req_q_map) {
227 qla_printk(KERN_WARNING, ha,
228 "Unable to allocate memory for request queue ptrs\n");
229 goto fail_req_map;
230 }
231
232 ha->rsp_q_map = kzalloc(sizeof(struct rsp_que *) * ha->max_queues,
233 GFP_KERNEL);
234 if (!ha->rsp_q_map) {
235 qla_printk(KERN_WARNING, ha,
236 "Unable to allocate memory for response queue ptrs\n");
237 goto fail_rsp_map;
238 }
239 set_bit(0, ha->rsp_qid_map);
240 set_bit(0, ha->req_qid_map);
241 return 1;
242
243 fail_rsp_map:
244 kfree(ha->req_q_map);
245 ha->req_q_map = NULL;
246 fail_req_map:
247 return -ENOMEM;
248 }
249
250 static void qla2x00_free_que(struct qla_hw_data *ha, struct req_que *req,
251 struct rsp_que *rsp)
252 {
253 if (rsp && rsp->ring)
254 dma_free_coherent(&ha->pdev->dev,
255 (rsp->length + 1) * sizeof(response_t),
256 rsp->ring, rsp->dma);
257
258 kfree(rsp);
259 rsp = NULL;
260 if (req && req->ring)
261 dma_free_coherent(&ha->pdev->dev,
262 (req->length + 1) * sizeof(request_t),
263 req->ring, req->dma);
264
265 kfree(req);
266 req = NULL;
267 }
268
269 static void qla2x00_free_queues(struct qla_hw_data *ha)
270 {
271 struct req_que *req;
272 struct rsp_que *rsp;
273 int cnt;
274
275 for (cnt = 0; cnt < ha->max_queues; cnt++) {
276 rsp = ha->rsp_q_map[cnt];
277 req = ha->req_q_map[cnt];
278 qla2x00_free_que(ha, req, rsp);
279 }
280 kfree(ha->rsp_q_map);
281 ha->rsp_q_map = NULL;
282
283 kfree(ha->req_q_map);
284 ha->req_q_map = NULL;
285 }
286
287 static char *
288 qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
289 {
290 struct qla_hw_data *ha = vha->hw;
291 static char *pci_bus_modes[] = {
292 "33", "66", "100", "133",
293 };
294 uint16_t pci_bus;
295
296 strcpy(str, "PCI");
297 pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
298 if (pci_bus) {
299 strcat(str, "-X (");
300 strcat(str, pci_bus_modes[pci_bus]);
301 } else {
302 pci_bus = (ha->pci_attr & BIT_8) >> 8;
303 strcat(str, " (");
304 strcat(str, pci_bus_modes[pci_bus]);
305 }
306 strcat(str, " MHz)");
307
308 return (str);
309 }
310
311 static char *
312 qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
313 {
314 static char *pci_bus_modes[] = { "33", "66", "100", "133", };
315 struct qla_hw_data *ha = vha->hw;
316 uint32_t pci_bus;
317 int pcie_reg;
318
319 pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
320 if (pcie_reg) {
321 char lwstr[6];
322 uint16_t pcie_lstat, lspeed, lwidth;
323
324 pcie_reg += 0x12;
325 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
326 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
327 lwidth = (pcie_lstat &
328 (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
329
330 strcpy(str, "PCIe (");
331 if (lspeed == 1)
332 strcat(str, "2.5GT/s ");
333 else if (lspeed == 2)
334 strcat(str, "5.0GT/s ");
335 else
336 strcat(str, "<unknown> ");
337 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
338 strcat(str, lwstr);
339
340 return str;
341 }
342
343 strcpy(str, "PCI");
344 pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
345 if (pci_bus == 0 || pci_bus == 8) {
346 strcat(str, " (");
347 strcat(str, pci_bus_modes[pci_bus >> 3]);
348 } else {
349 strcat(str, "-X ");
350 if (pci_bus & BIT_2)
351 strcat(str, "Mode 2");
352 else
353 strcat(str, "Mode 1");
354 strcat(str, " (");
355 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
356 }
357 strcat(str, " MHz)");
358
359 return str;
360 }
361
362 static char *
363 qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str)
364 {
365 char un_str[10];
366 struct qla_hw_data *ha = vha->hw;
367
368 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
369 ha->fw_minor_version,
370 ha->fw_subminor_version);
371
372 if (ha->fw_attributes & BIT_9) {
373 strcat(str, "FLX");
374 return (str);
375 }
376
377 switch (ha->fw_attributes & 0xFF) {
378 case 0x7:
379 strcat(str, "EF");
380 break;
381 case 0x17:
382 strcat(str, "TP");
383 break;
384 case 0x37:
385 strcat(str, "IP");
386 break;
387 case 0x77:
388 strcat(str, "VI");
389 break;
390 default:
391 sprintf(un_str, "(%x)", ha->fw_attributes);
392 strcat(str, un_str);
393 break;
394 }
395 if (ha->fw_attributes & 0x100)
396 strcat(str, "X");
397
398 return (str);
399 }
400
401 static char *
402 qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str)
403 {
404 struct qla_hw_data *ha = vha->hw;
405
406 sprintf(str, "%d.%02d.%02d (%x)", ha->fw_major_version,
407 ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
408 return str;
409 }
410
411 static inline srb_t *
412 qla2x00_get_new_sp(scsi_qla_host_t *vha, fc_port_t *fcport,
413 struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
414 {
415 srb_t *sp;
416 struct qla_hw_data *ha = vha->hw;
417
418 sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
419 if (!sp)
420 return sp;
421
422 sp->fcport = fcport;
423 sp->cmd = cmd;
424 sp->que = ha->req_q_map[0];
425 sp->flags = 0;
426 CMD_SP(cmd) = (void *)sp;
427 cmd->scsi_done = done;
428
429 return sp;
430 }
431
432 static int
433 qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
434 {
435 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
436 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
437 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
438 struct qla_hw_data *ha = vha->hw;
439 srb_t *sp;
440 int rval;
441
442 if (unlikely(pci_channel_offline(ha->pdev))) {
443 cmd->result = DID_REQUEUE << 16;
444 goto qc_fail_command;
445 }
446
447 rval = fc_remote_port_chkready(rport);
448 if (rval) {
449 cmd->result = rval;
450 goto qc_fail_command;
451 }
452
453 /* Close window on fcport/rport state-transitioning. */
454 if (fcport->drport)
455 goto qc_target_busy;
456
457 if (atomic_read(&fcport->state) != FCS_ONLINE) {
458 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
459 atomic_read(&vha->loop_state) == LOOP_DEAD) {
460 cmd->result = DID_NO_CONNECT << 16;
461 goto qc_fail_command;
462 }
463 goto qc_target_busy;
464 }
465
466 spin_unlock_irq(vha->host->host_lock);
467
468 sp = qla2x00_get_new_sp(vha, fcport, cmd, done);
469 if (!sp)
470 goto qc_host_busy_lock;
471
472 rval = ha->isp_ops->start_scsi(sp);
473 if (rval != QLA_SUCCESS)
474 goto qc_host_busy_free_sp;
475
476 spin_lock_irq(vha->host->host_lock);
477
478 return 0;
479
480 qc_host_busy_free_sp:
481 qla2x00_sp_free_dma(sp);
482 mempool_free(sp, ha->srb_mempool);
483
484 qc_host_busy_lock:
485 spin_lock_irq(vha->host->host_lock);
486 return SCSI_MLQUEUE_HOST_BUSY;
487
488 qc_target_busy:
489 return SCSI_MLQUEUE_TARGET_BUSY;
490
491 qc_fail_command:
492 done(cmd);
493
494 return 0;
495 }
496
497
498 static int
499 qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
500 {
501 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
502 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
503 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
504 struct qla_hw_data *ha = vha->hw;
505 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
506 srb_t *sp;
507 int rval;
508
509 if (unlikely(pci_channel_offline(ha->pdev))) {
510 cmd->result = DID_REQUEUE << 16;
511 goto qc24_fail_command;
512 }
513
514 rval = fc_remote_port_chkready(rport);
515 if (rval) {
516 cmd->result = rval;
517 goto qc24_fail_command;
518 }
519
520 /* Close window on fcport/rport state-transitioning. */
521 if (fcport->drport)
522 goto qc24_target_busy;
523
524 if (atomic_read(&fcport->state) != FCS_ONLINE) {
525 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
526 atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
527 cmd->result = DID_NO_CONNECT << 16;
528 goto qc24_fail_command;
529 }
530 goto qc24_target_busy;
531 }
532
533 spin_unlock_irq(vha->host->host_lock);
534
535 sp = qla2x00_get_new_sp(base_vha, fcport, cmd, done);
536 if (!sp)
537 goto qc24_host_busy_lock;
538
539 rval = ha->isp_ops->start_scsi(sp);
540 if (rval != QLA_SUCCESS)
541 goto qc24_host_busy_free_sp;
542
543 spin_lock_irq(vha->host->host_lock);
544
545 return 0;
546
547 qc24_host_busy_free_sp:
548 qla2x00_sp_free_dma(sp);
549 mempool_free(sp, ha->srb_mempool);
550
551 qc24_host_busy_lock:
552 spin_lock_irq(vha->host->host_lock);
553 return SCSI_MLQUEUE_HOST_BUSY;
554
555 qc24_target_busy:
556 return SCSI_MLQUEUE_TARGET_BUSY;
557
558 qc24_fail_command:
559 done(cmd);
560
561 return 0;
562 }
563
564
565 /*
566 * qla2x00_eh_wait_on_command
567 * Waits for the command to be returned by the Firmware for some
568 * max time.
569 *
570 * Input:
571 * cmd = Scsi Command to wait on.
572 *
573 * Return:
574 * Not Found : 0
575 * Found : 1
576 */
577 static int
578 qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
579 {
580 #define ABORT_POLLING_PERIOD 1000
581 #define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
582 unsigned long wait_iter = ABORT_WAIT_ITER;
583 int ret = QLA_SUCCESS;
584
585 while (CMD_SP(cmd)) {
586 msleep(ABORT_POLLING_PERIOD);
587
588 if (--wait_iter)
589 break;
590 }
591 if (CMD_SP(cmd))
592 ret = QLA_FUNCTION_FAILED;
593
594 return ret;
595 }
596
597 /*
598 * qla2x00_wait_for_hba_online
599 * Wait till the HBA is online after going through
600 * <= MAX_RETRIES_OF_ISP_ABORT or
601 * finally HBA is disabled ie marked offline
602 *
603 * Input:
604 * ha - pointer to host adapter structure
605 *
606 * Note:
607 * Does context switching-Release SPIN_LOCK
608 * (if any) before calling this routine.
609 *
610 * Return:
611 * Success (Adapter is online) : 0
612 * Failed (Adapter is offline/disabled) : 1
613 */
614 int
615 qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
616 {
617 int return_status;
618 unsigned long wait_online;
619 struct qla_hw_data *ha = vha->hw;
620 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
621
622 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
623 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
624 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
625 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
626 ha->dpc_active) && time_before(jiffies, wait_online)) {
627
628 msleep(1000);
629 }
630 if (base_vha->flags.online)
631 return_status = QLA_SUCCESS;
632 else
633 return_status = QLA_FUNCTION_FAILED;
634
635 return (return_status);
636 }
637
638 /*
639 * qla2x00_wait_for_loop_ready
640 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
641 * to be in LOOP_READY state.
642 * Input:
643 * ha - pointer to host adapter structure
644 *
645 * Note:
646 * Does context switching-Release SPIN_LOCK
647 * (if any) before calling this routine.
648 *
649 *
650 * Return:
651 * Success (LOOP_READY) : 0
652 * Failed (LOOP_NOT_READY) : 1
653 */
654 static inline int
655 qla2x00_wait_for_loop_ready(scsi_qla_host_t *vha)
656 {
657 int return_status = QLA_SUCCESS;
658 unsigned long loop_timeout ;
659 struct qla_hw_data *ha = vha->hw;
660 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
661
662 /* wait for 5 min at the max for loop to be ready */
663 loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
664
665 while ((!atomic_read(&base_vha->loop_down_timer) &&
666 atomic_read(&base_vha->loop_state) == LOOP_DOWN) ||
667 atomic_read(&base_vha->loop_state) != LOOP_READY) {
668 if (atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
669 return_status = QLA_FUNCTION_FAILED;
670 break;
671 }
672 msleep(1000);
673 if (time_after_eq(jiffies, loop_timeout)) {
674 return_status = QLA_FUNCTION_FAILED;
675 break;
676 }
677 }
678 return (return_status);
679 }
680
681 void
682 qla2x00_abort_fcport_cmds(fc_port_t *fcport)
683 {
684 int cnt, que, id;
685 unsigned long flags;
686 srb_t *sp;
687 scsi_qla_host_t *vha = fcport->vha;
688 struct qla_hw_data *ha = vha->hw;
689 struct req_que *req;
690
691 spin_lock_irqsave(&ha->hardware_lock, flags);
692 for (que = 0; que < QLA_MAX_HOST_QUES; que++) {
693 id = vha->req_ques[que];
694 req = ha->req_q_map[id];
695 if (!req)
696 continue;
697 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
698 sp = req->outstanding_cmds[cnt];
699 if (!sp)
700 continue;
701 if (sp->fcport != fcport)
702 continue;
703
704 spin_unlock_irqrestore(&ha->hardware_lock, flags);
705 if (ha->isp_ops->abort_command(vha, sp, req)) {
706 DEBUG2(qla_printk(KERN_WARNING, ha,
707 "Abort failed -- %lx\n",
708 sp->cmd->serial_number));
709 } else {
710 if (qla2x00_eh_wait_on_command(sp->cmd) !=
711 QLA_SUCCESS)
712 DEBUG2(qla_printk(KERN_WARNING, ha,
713 "Abort failed while waiting -- %lx\n",
714 sp->cmd->serial_number));
715 }
716 spin_lock_irqsave(&ha->hardware_lock, flags);
717 }
718 }
719 spin_unlock_irqrestore(&ha->hardware_lock, flags);
720 }
721
722 static void
723 qla2x00_block_error_handler(struct scsi_cmnd *cmnd)
724 {
725 struct Scsi_Host *shost = cmnd->device->host;
726 struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device));
727 unsigned long flags;
728
729 spin_lock_irqsave(shost->host_lock, flags);
730 while (rport->port_state == FC_PORTSTATE_BLOCKED) {
731 spin_unlock_irqrestore(shost->host_lock, flags);
732 msleep(1000);
733 spin_lock_irqsave(shost->host_lock, flags);
734 }
735 spin_unlock_irqrestore(shost->host_lock, flags);
736 return;
737 }
738
739 /**************************************************************************
740 * qla2xxx_eh_abort
741 *
742 * Description:
743 * The abort function will abort the specified command.
744 *
745 * Input:
746 * cmd = Linux SCSI command packet to be aborted.
747 *
748 * Returns:
749 * Either SUCCESS or FAILED.
750 *
751 * Note:
752 * Only return FAILED if command not returned by firmware.
753 **************************************************************************/
754 static int
755 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
756 {
757 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
758 srb_t *sp;
759 int ret, i;
760 unsigned int id, lun;
761 unsigned long serial;
762 unsigned long flags;
763 int wait = 0;
764 struct qla_hw_data *ha = vha->hw;
765 struct req_que *req;
766 srb_t *spt;
767
768 qla2x00_block_error_handler(cmd);
769
770 if (!CMD_SP(cmd))
771 return SUCCESS;
772
773 ret = SUCCESS;
774
775 id = cmd->device->id;
776 lun = cmd->device->lun;
777 serial = cmd->serial_number;
778 spt = (srb_t *) CMD_SP(cmd);
779 if (!spt)
780 return SUCCESS;
781 req = spt->que;
782
783 /* Check active list for command command. */
784 spin_lock_irqsave(&ha->hardware_lock, flags);
785 for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
786 sp = req->outstanding_cmds[i];
787
788 if (sp == NULL)
789 continue;
790
791 if (sp->cmd != cmd)
792 continue;
793
794 DEBUG2(printk("%s(%ld): aborting sp %p from RISC."
795 " pid=%ld.\n", __func__, vha->host_no, sp, serial));
796
797 spin_unlock_irqrestore(&ha->hardware_lock, flags);
798 if (ha->isp_ops->abort_command(vha, sp, req)) {
799 DEBUG2(printk("%s(%ld): abort_command "
800 "mbx failed.\n", __func__, vha->host_no));
801 ret = FAILED;
802 } else {
803 DEBUG3(printk("%s(%ld): abort_command "
804 "mbx success.\n", __func__, vha->host_no));
805 wait = 1;
806 }
807 spin_lock_irqsave(&ha->hardware_lock, flags);
808 break;
809 }
810 spin_unlock_irqrestore(&ha->hardware_lock, flags);
811
812 /* Wait for the command to be returned. */
813 if (wait) {
814 if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
815 qla_printk(KERN_ERR, ha,
816 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
817 "%x.\n", vha->host_no, id, lun, serial, ret);
818 ret = FAILED;
819 }
820 }
821
822 qla_printk(KERN_INFO, ha,
823 "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
824 vha->host_no, id, lun, wait, serial, ret);
825
826 return ret;
827 }
828
829 enum nexus_wait_type {
830 WAIT_HOST = 0,
831 WAIT_TARGET,
832 WAIT_LUN,
833 };
834
835 static int
836 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
837 unsigned int l, srb_t *sp, enum nexus_wait_type type)
838 {
839 int cnt, match, status;
840 unsigned long flags;
841 struct qla_hw_data *ha = vha->hw;
842 struct req_que *req;
843
844 status = QLA_SUCCESS;
845 if (!sp)
846 return status;
847
848 spin_lock_irqsave(&ha->hardware_lock, flags);
849 req = sp->que;
850 for (cnt = 1; status == QLA_SUCCESS &&
851 cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
852 sp = req->outstanding_cmds[cnt];
853 if (!sp)
854 continue;
855
856 if (vha->vp_idx != sp->fcport->vha->vp_idx)
857 continue;
858 match = 0;
859 switch (type) {
860 case WAIT_HOST:
861 match = 1;
862 break;
863 case WAIT_TARGET:
864 match = sp->cmd->device->id == t;
865 break;
866 case WAIT_LUN:
867 match = (sp->cmd->device->id == t &&
868 sp->cmd->device->lun == l);
869 break;
870 }
871 if (!match)
872 continue;
873
874 spin_unlock_irqrestore(&ha->hardware_lock, flags);
875 status = qla2x00_eh_wait_on_command(sp->cmd);
876 spin_lock_irqsave(&ha->hardware_lock, flags);
877 }
878 spin_unlock_irqrestore(&ha->hardware_lock, flags);
879
880 return status;
881 }
882
883 static char *reset_errors[] = {
884 "HBA not online",
885 "HBA not ready",
886 "Task management failed",
887 "Waiting for command completions",
888 };
889
890 static int
891 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
892 struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int))
893 {
894 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
895 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
896 int err;
897
898 qla2x00_block_error_handler(cmd);
899
900 if (!fcport)
901 return FAILED;
902
903 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET ISSUED.\n",
904 vha->host_no, cmd->device->id, cmd->device->lun, name);
905
906 err = 0;
907 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
908 goto eh_reset_failed;
909 err = 1;
910 if (qla2x00_wait_for_loop_ready(vha) != QLA_SUCCESS)
911 goto eh_reset_failed;
912 err = 2;
913 if (do_reset(fcport, cmd->device->lun) != QLA_SUCCESS)
914 goto eh_reset_failed;
915 err = 3;
916 if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
917 cmd->device->lun, (srb_t *) CMD_SP(cmd), type) != QLA_SUCCESS)
918 goto eh_reset_failed;
919
920 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n",
921 vha->host_no, cmd->device->id, cmd->device->lun, name);
922
923 return SUCCESS;
924
925 eh_reset_failed:
926 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n"
927 , vha->host_no, cmd->device->id, cmd->device->lun, name,
928 reset_errors[err]);
929 return FAILED;
930 }
931
932 static int
933 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
934 {
935 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
936 struct qla_hw_data *ha = vha->hw;
937
938 return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
939 ha->isp_ops->lun_reset);
940 }
941
942 static int
943 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
944 {
945 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
946 struct qla_hw_data *ha = vha->hw;
947
948 return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
949 ha->isp_ops->target_reset);
950 }
951
952 /**************************************************************************
953 * qla2xxx_eh_bus_reset
954 *
955 * Description:
956 * The bus reset function will reset the bus and abort any executing
957 * commands.
958 *
959 * Input:
960 * cmd = Linux SCSI command packet of the command that cause the
961 * bus reset.
962 *
963 * Returns:
964 * SUCCESS/FAILURE (defined as macro in scsi.h).
965 *
966 **************************************************************************/
967 static int
968 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
969 {
970 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
971 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
972 int ret = FAILED;
973 unsigned int id, lun;
974 unsigned long serial;
975 srb_t *sp = (srb_t *) CMD_SP(cmd);
976
977 qla2x00_block_error_handler(cmd);
978
979 id = cmd->device->id;
980 lun = cmd->device->lun;
981 serial = cmd->serial_number;
982
983 if (!fcport)
984 return ret;
985
986 qla_printk(KERN_INFO, vha->hw,
987 "scsi(%ld:%d:%d): BUS RESET ISSUED.\n", vha->host_no, id, lun);
988
989 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
990 DEBUG2(printk("%s failed:board disabled\n",__func__));
991 goto eh_bus_reset_done;
992 }
993
994 if (qla2x00_wait_for_loop_ready(vha) == QLA_SUCCESS) {
995 if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
996 ret = SUCCESS;
997 }
998 if (ret == FAILED)
999 goto eh_bus_reset_done;
1000
1001 /* Flush outstanding commands. */
1002 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) !=
1003 QLA_SUCCESS)
1004 ret = FAILED;
1005
1006 eh_bus_reset_done:
1007 qla_printk(KERN_INFO, vha->hw, "%s: reset %s\n", __func__,
1008 (ret == FAILED) ? "failed" : "succeded");
1009
1010 return ret;
1011 }
1012
1013 /**************************************************************************
1014 * qla2xxx_eh_host_reset
1015 *
1016 * Description:
1017 * The reset function will reset the Adapter.
1018 *
1019 * Input:
1020 * cmd = Linux SCSI command packet of the command that cause the
1021 * adapter reset.
1022 *
1023 * Returns:
1024 * Either SUCCESS or FAILED.
1025 *
1026 * Note:
1027 **************************************************************************/
1028 static int
1029 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1030 {
1031 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1032 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1033 struct qla_hw_data *ha = vha->hw;
1034 int ret = FAILED;
1035 unsigned int id, lun;
1036 unsigned long serial;
1037 srb_t *sp = (srb_t *) CMD_SP(cmd);
1038 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1039
1040 qla2x00_block_error_handler(cmd);
1041
1042 id = cmd->device->id;
1043 lun = cmd->device->lun;
1044 serial = cmd->serial_number;
1045
1046 if (!fcport)
1047 return ret;
1048
1049 qla_printk(KERN_INFO, ha,
1050 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", vha->host_no, id, lun);
1051
1052 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
1053 goto eh_host_reset_lock;
1054
1055 /*
1056 * Fixme-may be dpc thread is active and processing
1057 * loop_resync,so wait a while for it to
1058 * be completed and then issue big hammer.Otherwise
1059 * it may cause I/O failure as big hammer marks the
1060 * devices as lost kicking of the port_down_timer
1061 * while dpc is stuck for the mailbox to complete.
1062 */
1063 qla2x00_wait_for_loop_ready(vha);
1064 if (vha != base_vha) {
1065 if (qla2x00_vp_abort_isp(vha))
1066 goto eh_host_reset_lock;
1067 } else {
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 ret = qla2x00_full_login_lip(vha);
1111 if (ret != QLA_SUCCESS) {
1112 DEBUG2_3(printk("%s(%ld): failed: "
1113 "full_login_lip=%d.\n", __func__, vha->host_no,
1114 ret));
1115 }
1116 atomic_set(&vha->loop_state, LOOP_DOWN);
1117 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1118 qla2x00_mark_all_devices_lost(vha, 0);
1119 qla2x00_wait_for_loop_ready(vha);
1120 }
1121
1122 if (ha->flags.enable_lip_reset && !vha->vp_idx) {
1123 ret = qla2x00_lip_reset(vha);
1124 if (ret != QLA_SUCCESS) {
1125 DEBUG2_3(printk("%s(%ld): failed: "
1126 "lip_reset=%d.\n", __func__, vha->host_no, ret));
1127 } else
1128 qla2x00_wait_for_loop_ready(vha);
1129 }
1130
1131 if (ha->flags.enable_target_reset) {
1132 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1133 if (fcport->port_type != FCT_TARGET)
1134 continue;
1135
1136 ret = ha->isp_ops->target_reset(fcport, 0);
1137 if (ret != QLA_SUCCESS) {
1138 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1139 "target_reset=%d d_id=%x.\n", __func__,
1140 vha->host_no, ret, fcport->d_id.b24));
1141 }
1142 }
1143 }
1144 /* Issue marker command only when we are going to start the I/O */
1145 vha->marker_needed = 1;
1146
1147 return QLA_SUCCESS;
1148 }
1149
1150 void
1151 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1152 {
1153 int que, cnt;
1154 unsigned long flags;
1155 srb_t *sp;
1156 struct qla_hw_data *ha = vha->hw;
1157 struct req_que *req;
1158
1159 spin_lock_irqsave(&ha->hardware_lock, flags);
1160 for (que = 0; que < ha->max_queues; que++) {
1161 req = ha->req_q_map[que];
1162 if (!req)
1163 continue;
1164 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1165 sp = req->outstanding_cmds[cnt];
1166 if (sp && sp->fcport->vha == vha) {
1167 req->outstanding_cmds[cnt] = NULL;
1168 sp->cmd->result = res;
1169 qla2x00_sp_compl(ha, sp);
1170 }
1171 }
1172 }
1173 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1174 }
1175
1176 static int
1177 qla2xxx_slave_alloc(struct scsi_device *sdev)
1178 {
1179 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1180
1181 if (!rport || fc_remote_port_chkready(rport))
1182 return -ENXIO;
1183
1184 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1185
1186 return 0;
1187 }
1188
1189 static int
1190 qla2xxx_slave_configure(struct scsi_device *sdev)
1191 {
1192 scsi_qla_host_t *vha = shost_priv(sdev->host);
1193 struct qla_hw_data *ha = vha->hw;
1194 struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1195 struct req_que *req = ha->req_q_map[vha->req_ques[0]];
1196
1197 if (sdev->tagged_supported)
1198 scsi_activate_tcq(sdev, req->max_q_depth);
1199 else
1200 scsi_deactivate_tcq(sdev, req->max_q_depth);
1201
1202 rport->dev_loss_tmo = ha->port_down_retry_count;
1203
1204 return 0;
1205 }
1206
1207 static void
1208 qla2xxx_slave_destroy(struct scsi_device *sdev)
1209 {
1210 sdev->hostdata = NULL;
1211 }
1212
1213 static int
1214 qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
1215 {
1216 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1217 return sdev->queue_depth;
1218 }
1219
1220 static int
1221 qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1222 {
1223 if (sdev->tagged_supported) {
1224 scsi_set_tag_type(sdev, tag_type);
1225 if (tag_type)
1226 scsi_activate_tcq(sdev, sdev->queue_depth);
1227 else
1228 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1229 } else
1230 tag_type = 0;
1231
1232 return tag_type;
1233 }
1234
1235 /**
1236 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1237 * @ha: HA context
1238 *
1239 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1240 * supported addressing method.
1241 */
1242 static void
1243 qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1244 {
1245 /* Assume a 32bit DMA mask. */
1246 ha->flags.enable_64bit_addressing = 0;
1247
1248 if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) {
1249 /* Any upper-dword bits set? */
1250 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1251 !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) {
1252 /* Ok, a 64bit DMA mask is applicable. */
1253 ha->flags.enable_64bit_addressing = 1;
1254 ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1255 ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1256 return;
1257 }
1258 }
1259
1260 dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK);
1261 pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK);
1262 }
1263
1264 static void
1265 qla2x00_enable_intrs(struct qla_hw_data *ha)
1266 {
1267 unsigned long flags = 0;
1268 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1269
1270 spin_lock_irqsave(&ha->hardware_lock, flags);
1271 ha->interrupts_on = 1;
1272 /* enable risc and host interrupts */
1273 WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1274 RD_REG_WORD(&reg->ictrl);
1275 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1276
1277 }
1278
1279 static void
1280 qla2x00_disable_intrs(struct qla_hw_data *ha)
1281 {
1282 unsigned long flags = 0;
1283 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1284
1285 spin_lock_irqsave(&ha->hardware_lock, flags);
1286 ha->interrupts_on = 0;
1287 /* disable risc and host interrupts */
1288 WRT_REG_WORD(&reg->ictrl, 0);
1289 RD_REG_WORD(&reg->ictrl);
1290 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1291 }
1292
1293 static void
1294 qla24xx_enable_intrs(struct qla_hw_data *ha)
1295 {
1296 unsigned long flags = 0;
1297 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1298
1299 spin_lock_irqsave(&ha->hardware_lock, flags);
1300 ha->interrupts_on = 1;
1301 WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1302 RD_REG_DWORD(&reg->ictrl);
1303 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1304 }
1305
1306 static void
1307 qla24xx_disable_intrs(struct qla_hw_data *ha)
1308 {
1309 unsigned long flags = 0;
1310 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1311
1312 if (IS_NOPOLLING_TYPE(ha))
1313 return;
1314 spin_lock_irqsave(&ha->hardware_lock, flags);
1315 ha->interrupts_on = 0;
1316 WRT_REG_DWORD(&reg->ictrl, 0);
1317 RD_REG_DWORD(&reg->ictrl);
1318 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1319 }
1320
1321 static struct isp_operations qla2100_isp_ops = {
1322 .pci_config = qla2100_pci_config,
1323 .reset_chip = qla2x00_reset_chip,
1324 .chip_diag = qla2x00_chip_diag,
1325 .config_rings = qla2x00_config_rings,
1326 .reset_adapter = qla2x00_reset_adapter,
1327 .nvram_config = qla2x00_nvram_config,
1328 .update_fw_options = qla2x00_update_fw_options,
1329 .load_risc = qla2x00_load_risc,
1330 .pci_info_str = qla2x00_pci_info_str,
1331 .fw_version_str = qla2x00_fw_version_str,
1332 .intr_handler = qla2100_intr_handler,
1333 .enable_intrs = qla2x00_enable_intrs,
1334 .disable_intrs = qla2x00_disable_intrs,
1335 .abort_command = qla2x00_abort_command,
1336 .target_reset = qla2x00_abort_target,
1337 .lun_reset = qla2x00_lun_reset,
1338 .fabric_login = qla2x00_login_fabric,
1339 .fabric_logout = qla2x00_fabric_logout,
1340 .calc_req_entries = qla2x00_calc_iocbs_32,
1341 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1342 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1343 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1344 .read_nvram = qla2x00_read_nvram_data,
1345 .write_nvram = qla2x00_write_nvram_data,
1346 .fw_dump = qla2100_fw_dump,
1347 .beacon_on = NULL,
1348 .beacon_off = NULL,
1349 .beacon_blink = NULL,
1350 .read_optrom = qla2x00_read_optrom_data,
1351 .write_optrom = qla2x00_write_optrom_data,
1352 .get_flash_version = qla2x00_get_flash_version,
1353 .start_scsi = qla2x00_start_scsi,
1354 .wrt_req_reg = NULL,
1355 .wrt_rsp_reg = NULL,
1356 .rd_req_reg = NULL,
1357 };
1358
1359 static struct isp_operations qla2300_isp_ops = {
1360 .pci_config = qla2300_pci_config,
1361 .reset_chip = qla2x00_reset_chip,
1362 .chip_diag = qla2x00_chip_diag,
1363 .config_rings = qla2x00_config_rings,
1364 .reset_adapter = qla2x00_reset_adapter,
1365 .nvram_config = qla2x00_nvram_config,
1366 .update_fw_options = qla2x00_update_fw_options,
1367 .load_risc = qla2x00_load_risc,
1368 .pci_info_str = qla2x00_pci_info_str,
1369 .fw_version_str = qla2x00_fw_version_str,
1370 .intr_handler = qla2300_intr_handler,
1371 .enable_intrs = qla2x00_enable_intrs,
1372 .disable_intrs = qla2x00_disable_intrs,
1373 .abort_command = qla2x00_abort_command,
1374 .target_reset = qla2x00_abort_target,
1375 .lun_reset = qla2x00_lun_reset,
1376 .fabric_login = qla2x00_login_fabric,
1377 .fabric_logout = qla2x00_fabric_logout,
1378 .calc_req_entries = qla2x00_calc_iocbs_32,
1379 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1380 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1381 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1382 .read_nvram = qla2x00_read_nvram_data,
1383 .write_nvram = qla2x00_write_nvram_data,
1384 .fw_dump = qla2300_fw_dump,
1385 .beacon_on = qla2x00_beacon_on,
1386 .beacon_off = qla2x00_beacon_off,
1387 .beacon_blink = qla2x00_beacon_blink,
1388 .read_optrom = qla2x00_read_optrom_data,
1389 .write_optrom = qla2x00_write_optrom_data,
1390 .get_flash_version = qla2x00_get_flash_version,
1391 .start_scsi = qla2x00_start_scsi,
1392 .wrt_req_reg = NULL,
1393 .wrt_rsp_reg = NULL,
1394 .rd_req_reg = NULL,
1395 };
1396
1397 static struct isp_operations qla24xx_isp_ops = {
1398 .pci_config = qla24xx_pci_config,
1399 .reset_chip = qla24xx_reset_chip,
1400 .chip_diag = qla24xx_chip_diag,
1401 .config_rings = qla24xx_config_rings,
1402 .reset_adapter = qla24xx_reset_adapter,
1403 .nvram_config = qla24xx_nvram_config,
1404 .update_fw_options = qla24xx_update_fw_options,
1405 .load_risc = qla24xx_load_risc,
1406 .pci_info_str = qla24xx_pci_info_str,
1407 .fw_version_str = qla24xx_fw_version_str,
1408 .intr_handler = qla24xx_intr_handler,
1409 .enable_intrs = qla24xx_enable_intrs,
1410 .disable_intrs = qla24xx_disable_intrs,
1411 .abort_command = qla24xx_abort_command,
1412 .target_reset = qla24xx_abort_target,
1413 .lun_reset = qla24xx_lun_reset,
1414 .fabric_login = qla24xx_login_fabric,
1415 .fabric_logout = qla24xx_fabric_logout,
1416 .calc_req_entries = NULL,
1417 .build_iocbs = NULL,
1418 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1419 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1420 .read_nvram = qla24xx_read_nvram_data,
1421 .write_nvram = qla24xx_write_nvram_data,
1422 .fw_dump = qla24xx_fw_dump,
1423 .beacon_on = qla24xx_beacon_on,
1424 .beacon_off = qla24xx_beacon_off,
1425 .beacon_blink = qla24xx_beacon_blink,
1426 .read_optrom = qla24xx_read_optrom_data,
1427 .write_optrom = qla24xx_write_optrom_data,
1428 .get_flash_version = qla24xx_get_flash_version,
1429 .start_scsi = qla24xx_start_scsi,
1430 .wrt_req_reg = qla24xx_wrt_req_reg,
1431 .wrt_rsp_reg = qla24xx_wrt_rsp_reg,
1432 .rd_req_reg = qla24xx_rd_req_reg,
1433 };
1434
1435 static struct isp_operations qla25xx_isp_ops = {
1436 .pci_config = qla25xx_pci_config,
1437 .reset_chip = qla24xx_reset_chip,
1438 .chip_diag = qla24xx_chip_diag,
1439 .config_rings = qla24xx_config_rings,
1440 .reset_adapter = qla24xx_reset_adapter,
1441 .nvram_config = qla24xx_nvram_config,
1442 .update_fw_options = qla24xx_update_fw_options,
1443 .load_risc = qla24xx_load_risc,
1444 .pci_info_str = qla24xx_pci_info_str,
1445 .fw_version_str = qla24xx_fw_version_str,
1446 .intr_handler = qla24xx_intr_handler,
1447 .enable_intrs = qla24xx_enable_intrs,
1448 .disable_intrs = qla24xx_disable_intrs,
1449 .abort_command = qla24xx_abort_command,
1450 .target_reset = qla24xx_abort_target,
1451 .lun_reset = qla24xx_lun_reset,
1452 .fabric_login = qla24xx_login_fabric,
1453 .fabric_logout = qla24xx_fabric_logout,
1454 .calc_req_entries = NULL,
1455 .build_iocbs = NULL,
1456 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1457 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1458 .read_nvram = qla25xx_read_nvram_data,
1459 .write_nvram = qla25xx_write_nvram_data,
1460 .fw_dump = qla25xx_fw_dump,
1461 .beacon_on = qla24xx_beacon_on,
1462 .beacon_off = qla24xx_beacon_off,
1463 .beacon_blink = qla24xx_beacon_blink,
1464 .read_optrom = qla25xx_read_optrom_data,
1465 .write_optrom = qla24xx_write_optrom_data,
1466 .get_flash_version = qla24xx_get_flash_version,
1467 .start_scsi = qla24xx_start_scsi,
1468 .wrt_req_reg = qla24xx_wrt_req_reg,
1469 .wrt_rsp_reg = qla24xx_wrt_rsp_reg,
1470 .rd_req_reg = qla24xx_rd_req_reg,
1471 };
1472
1473 static struct isp_operations qla81xx_isp_ops = {
1474 .pci_config = qla25xx_pci_config,
1475 .reset_chip = qla24xx_reset_chip,
1476 .chip_diag = qla24xx_chip_diag,
1477 .config_rings = qla24xx_config_rings,
1478 .reset_adapter = qla24xx_reset_adapter,
1479 .nvram_config = qla81xx_nvram_config,
1480 .update_fw_options = qla81xx_update_fw_options,
1481 .load_risc = qla81xx_load_risc,
1482 .pci_info_str = qla24xx_pci_info_str,
1483 .fw_version_str = qla24xx_fw_version_str,
1484 .intr_handler = qla24xx_intr_handler,
1485 .enable_intrs = qla24xx_enable_intrs,
1486 .disable_intrs = qla24xx_disable_intrs,
1487 .abort_command = qla24xx_abort_command,
1488 .target_reset = qla24xx_abort_target,
1489 .lun_reset = qla24xx_lun_reset,
1490 .fabric_login = qla24xx_login_fabric,
1491 .fabric_logout = qla24xx_fabric_logout,
1492 .calc_req_entries = NULL,
1493 .build_iocbs = NULL,
1494 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1495 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1496 .read_nvram = qla25xx_read_nvram_data,
1497 .write_nvram = qla25xx_write_nvram_data,
1498 .fw_dump = qla81xx_fw_dump,
1499 .beacon_on = qla24xx_beacon_on,
1500 .beacon_off = qla24xx_beacon_off,
1501 .beacon_blink = qla24xx_beacon_blink,
1502 .read_optrom = qla25xx_read_optrom_data,
1503 .write_optrom = qla24xx_write_optrom_data,
1504 .get_flash_version = qla24xx_get_flash_version,
1505 .start_scsi = qla24xx_start_scsi,
1506 .wrt_req_reg = qla24xx_wrt_req_reg,
1507 .wrt_rsp_reg = qla24xx_wrt_rsp_reg,
1508 .rd_req_reg = qla24xx_rd_req_reg,
1509 };
1510
1511 static inline void
1512 qla2x00_set_isp_flags(struct qla_hw_data *ha)
1513 {
1514 ha->device_type = DT_EXTENDED_IDS;
1515 switch (ha->pdev->device) {
1516 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1517 ha->device_type |= DT_ISP2100;
1518 ha->device_type &= ~DT_EXTENDED_IDS;
1519 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1520 break;
1521 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1522 ha->device_type |= DT_ISP2200;
1523 ha->device_type &= ~DT_EXTENDED_IDS;
1524 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1525 break;
1526 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1527 ha->device_type |= DT_ISP2300;
1528 ha->device_type |= DT_ZIO_SUPPORTED;
1529 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1530 break;
1531 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1532 ha->device_type |= DT_ISP2312;
1533 ha->device_type |= DT_ZIO_SUPPORTED;
1534 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1535 break;
1536 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1537 ha->device_type |= DT_ISP2322;
1538 ha->device_type |= DT_ZIO_SUPPORTED;
1539 if (ha->pdev->subsystem_vendor == 0x1028 &&
1540 ha->pdev->subsystem_device == 0x0170)
1541 ha->device_type |= DT_OEM_001;
1542 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1543 break;
1544 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1545 ha->device_type |= DT_ISP6312;
1546 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1547 break;
1548 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1549 ha->device_type |= DT_ISP6322;
1550 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1551 break;
1552 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1553 ha->device_type |= DT_ISP2422;
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_ISP2432:
1560 ha->device_type |= DT_ISP2432;
1561 ha->device_type |= DT_ZIO_SUPPORTED;
1562 ha->device_type |= DT_FWI2;
1563 ha->device_type |= DT_IIDMA;
1564 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1565 break;
1566 case PCI_DEVICE_ID_QLOGIC_ISP8432:
1567 ha->device_type |= DT_ISP8432;
1568 ha->device_type |= DT_ZIO_SUPPORTED;
1569 ha->device_type |= DT_FWI2;
1570 ha->device_type |= DT_IIDMA;
1571 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1572 break;
1573 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1574 ha->device_type |= DT_ISP5422;
1575 ha->device_type |= DT_FWI2;
1576 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1577 break;
1578 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1579 ha->device_type |= DT_ISP5432;
1580 ha->device_type |= DT_FWI2;
1581 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1582 break;
1583 case PCI_DEVICE_ID_QLOGIC_ISP2532:
1584 ha->device_type |= DT_ISP2532;
1585 ha->device_type |= DT_ZIO_SUPPORTED;
1586 ha->device_type |= DT_FWI2;
1587 ha->device_type |= DT_IIDMA;
1588 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1589 break;
1590 case PCI_DEVICE_ID_QLOGIC_ISP8001:
1591 ha->device_type |= DT_ISP8001;
1592 ha->device_type |= DT_ZIO_SUPPORTED;
1593 ha->device_type |= DT_FWI2;
1594 ha->device_type |= DT_IIDMA;
1595 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1596 break;
1597 }
1598 }
1599
1600 static int
1601 qla2x00_iospace_config(struct qla_hw_data *ha)
1602 {
1603 resource_size_t pio;
1604 uint16_t msix;
1605
1606 if (pci_request_selected_regions(ha->pdev, ha->bars,
1607 QLA2XXX_DRIVER_NAME)) {
1608 qla_printk(KERN_WARNING, ha,
1609 "Failed to reserve PIO/MMIO regions (%s)\n",
1610 pci_name(ha->pdev));
1611
1612 goto iospace_error_exit;
1613 }
1614 if (!(ha->bars & 1))
1615 goto skip_pio;
1616
1617 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1618 pio = pci_resource_start(ha->pdev, 0);
1619 if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1620 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1621 qla_printk(KERN_WARNING, ha,
1622 "Invalid PCI I/O region size (%s)...\n",
1623 pci_name(ha->pdev));
1624 pio = 0;
1625 }
1626 } else {
1627 qla_printk(KERN_WARNING, ha,
1628 "region #0 not a PIO resource (%s)...\n",
1629 pci_name(ha->pdev));
1630 pio = 0;
1631 }
1632 ha->pio_address = pio;
1633
1634 skip_pio:
1635 /* Use MMIO operations for all accesses. */
1636 if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1637 qla_printk(KERN_ERR, ha,
1638 "region #1 not an MMIO resource (%s), aborting\n",
1639 pci_name(ha->pdev));
1640 goto iospace_error_exit;
1641 }
1642 if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1643 qla_printk(KERN_ERR, ha,
1644 "Invalid PCI mem region size (%s), aborting\n",
1645 pci_name(ha->pdev));
1646 goto iospace_error_exit;
1647 }
1648
1649 ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1650 if (!ha->iobase) {
1651 qla_printk(KERN_ERR, ha,
1652 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1653
1654 goto iospace_error_exit;
1655 }
1656
1657 /* Determine queue resources */
1658 ha->max_queues = 1;
1659 if (ql2xmaxqueues <= 1 || (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
1660 goto mqiobase_exit;
1661 ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1662 pci_resource_len(ha->pdev, 3));
1663 if (ha->mqiobase) {
1664 /* Read MSIX vector size of the board */
1665 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1666 ha->msix_count = msix;
1667 /* Max queues are bounded by available msix vectors */
1668 /* queue 0 uses two msix vectors */
1669 if (ha->msix_count - 1 < ql2xmaxqueues)
1670 ha->max_queues = ha->msix_count - 1;
1671 else if (ql2xmaxqueues > QLA_MQ_SIZE)
1672 ha->max_queues = QLA_MQ_SIZE;
1673 else
1674 ha->max_queues = ql2xmaxqueues;
1675 qla_printk(KERN_INFO, ha,
1676 "MSI-X vector count: %d\n", msix);
1677 }
1678
1679 mqiobase_exit:
1680 ha->msix_count = ha->max_queues + 1;
1681 return (0);
1682
1683 iospace_error_exit:
1684 return (-ENOMEM);
1685 }
1686
1687 static void
1688 qla2xxx_scan_start(struct Scsi_Host *shost)
1689 {
1690 scsi_qla_host_t *vha = shost_priv(shost);
1691
1692 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1693 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1694 set_bit(RSCN_UPDATE, &vha->dpc_flags);
1695 set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
1696 }
1697
1698 static int
1699 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1700 {
1701 scsi_qla_host_t *vha = shost_priv(shost);
1702
1703 if (!vha->host)
1704 return 1;
1705 if (time > vha->hw->loop_reset_delay * HZ)
1706 return 1;
1707
1708 return atomic_read(&vha->loop_state) == LOOP_READY;
1709 }
1710
1711 /*
1712 * PCI driver interface
1713 */
1714 static int __devinit
1715 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1716 {
1717 int ret = -ENODEV;
1718 struct Scsi_Host *host;
1719 scsi_qla_host_t *base_vha = NULL;
1720 struct qla_hw_data *ha;
1721 char pci_info[30];
1722 char fw_str[30];
1723 struct scsi_host_template *sht;
1724 int bars, max_id, mem_only = 0;
1725 uint16_t req_length = 0, rsp_length = 0;
1726 struct req_que *req = NULL;
1727 struct rsp_que *rsp = NULL;
1728
1729 bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
1730 sht = &qla2x00_driver_template;
1731 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
1732 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
1733 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
1734 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
1735 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
1736 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
1737 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001) {
1738 bars = pci_select_bars(pdev, IORESOURCE_MEM);
1739 sht = &qla24xx_driver_template;
1740 mem_only = 1;
1741 }
1742
1743 if (mem_only) {
1744 if (pci_enable_device_mem(pdev))
1745 goto probe_out;
1746 } else {
1747 if (pci_enable_device(pdev))
1748 goto probe_out;
1749 }
1750
1751 /* This may fail but that's ok */
1752 pci_enable_pcie_error_reporting(pdev);
1753
1754 ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
1755 if (!ha) {
1756 DEBUG(printk("Unable to allocate memory for ha\n"));
1757 goto probe_out;
1758 }
1759 ha->pdev = pdev;
1760
1761 /* Clear our data area */
1762 ha->bars = bars;
1763 ha->mem_only = mem_only;
1764 spin_lock_init(&ha->hardware_lock);
1765
1766 /* Set ISP-type information. */
1767 qla2x00_set_isp_flags(ha);
1768 /* Configure PCI I/O space */
1769 ret = qla2x00_iospace_config(ha);
1770 if (ret)
1771 goto probe_hw_failed;
1772
1773 qla_printk(KERN_INFO, ha,
1774 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1775 ha->iobase);
1776
1777 ha->prev_topology = 0;
1778 ha->init_cb_size = sizeof(init_cb_t);
1779 ha->link_data_rate = PORT_SPEED_UNKNOWN;
1780 ha->optrom_size = OPTROM_SIZE_2300;
1781
1782 /* Assign ISP specific operations. */
1783 max_id = MAX_TARGETS_2200;
1784 if (IS_QLA2100(ha)) {
1785 max_id = MAX_TARGETS_2100;
1786 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
1787 req_length = REQUEST_ENTRY_CNT_2100;
1788 rsp_length = RESPONSE_ENTRY_CNT_2100;
1789 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
1790 ha->gid_list_info_size = 4;
1791 ha->flash_conf_off = ~0;
1792 ha->flash_data_off = ~0;
1793 ha->nvram_conf_off = ~0;
1794 ha->nvram_data_off = ~0;
1795 ha->isp_ops = &qla2100_isp_ops;
1796 } else if (IS_QLA2200(ha)) {
1797 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1798 req_length = REQUEST_ENTRY_CNT_2200;
1799 rsp_length = RESPONSE_ENTRY_CNT_2100;
1800 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
1801 ha->gid_list_info_size = 4;
1802 ha->flash_conf_off = ~0;
1803 ha->flash_data_off = ~0;
1804 ha->nvram_conf_off = ~0;
1805 ha->nvram_data_off = ~0;
1806 ha->isp_ops = &qla2100_isp_ops;
1807 } else if (IS_QLA23XX(ha)) {
1808 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1809 req_length = REQUEST_ENTRY_CNT_2200;
1810 rsp_length = RESPONSE_ENTRY_CNT_2300;
1811 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1812 ha->gid_list_info_size = 6;
1813 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1814 ha->optrom_size = OPTROM_SIZE_2322;
1815 ha->flash_conf_off = ~0;
1816 ha->flash_data_off = ~0;
1817 ha->nvram_conf_off = ~0;
1818 ha->nvram_data_off = ~0;
1819 ha->isp_ops = &qla2300_isp_ops;
1820 } else if (IS_QLA24XX_TYPE(ha)) {
1821 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1822 req_length = REQUEST_ENTRY_CNT_24XX;
1823 rsp_length = RESPONSE_ENTRY_CNT_2300;
1824 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1825 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1826 ha->gid_list_info_size = 8;
1827 ha->optrom_size = OPTROM_SIZE_24XX;
1828 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
1829 ha->isp_ops = &qla24xx_isp_ops;
1830 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
1831 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
1832 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
1833 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
1834 } else if (IS_QLA25XX(ha)) {
1835 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1836 req_length = REQUEST_ENTRY_CNT_24XX;
1837 rsp_length = RESPONSE_ENTRY_CNT_2300;
1838 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1839 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1840 ha->gid_list_info_size = 8;
1841 ha->optrom_size = OPTROM_SIZE_25XX;
1842 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
1843 ha->isp_ops = &qla25xx_isp_ops;
1844 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
1845 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
1846 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
1847 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
1848 } else if (IS_QLA81XX(ha)) {
1849 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1850 req_length = REQUEST_ENTRY_CNT_24XX;
1851 rsp_length = RESPONSE_ENTRY_CNT_2300;
1852 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1853 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
1854 ha->gid_list_info_size = 8;
1855 ha->optrom_size = OPTROM_SIZE_81XX;
1856 ha->isp_ops = &qla81xx_isp_ops;
1857 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
1858 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
1859 ha->nvram_conf_off = ~0;
1860 ha->nvram_data_off = ~0;
1861 }
1862
1863 mutex_init(&ha->vport_lock);
1864 init_completion(&ha->mbx_cmd_comp);
1865 complete(&ha->mbx_cmd_comp);
1866 init_completion(&ha->mbx_intr_comp);
1867
1868 set_bit(0, (unsigned long *) ha->vp_idx_map);
1869
1870 qla2x00_config_dma_addressing(ha);
1871 ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
1872 if (!ret) {
1873 qla_printk(KERN_WARNING, ha,
1874 "[ERROR] Failed to allocate memory for adapter\n");
1875
1876 goto probe_hw_failed;
1877 }
1878
1879 req->max_q_depth = MAX_Q_DEPTH;
1880 if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
1881 req->max_q_depth = ql2xmaxqdepth;
1882
1883
1884 base_vha = qla2x00_create_host(sht, ha);
1885 if (!base_vha) {
1886 qla_printk(KERN_WARNING, ha,
1887 "[ERROR] Failed to allocate memory for scsi_host\n");
1888
1889 ret = -ENOMEM;
1890 qla2x00_mem_free(ha);
1891 qla2x00_free_que(ha, req, rsp);
1892 goto probe_hw_failed;
1893 }
1894
1895 pci_set_drvdata(pdev, base_vha);
1896
1897 host = base_vha->host;
1898 base_vha->req_ques[0] = req->id;
1899 host->can_queue = req->length + 128;
1900 if (IS_QLA2XXX_MIDTYPE(ha))
1901 base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
1902 else
1903 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
1904 base_vha->vp_idx;
1905 if (IS_QLA2100(ha))
1906 host->sg_tablesize = 32;
1907 host->max_id = max_id;
1908 host->this_id = 255;
1909 host->cmd_per_lun = 3;
1910 host->unique_id = host->host_no;
1911 host->max_cmd_len = MAX_CMDSZ;
1912 host->max_channel = MAX_BUSES - 1;
1913 host->max_lun = MAX_LUNS;
1914 host->transportt = qla2xxx_transport_template;
1915
1916 /* Set up the irqs */
1917 ret = qla2x00_request_irqs(ha, rsp);
1918 if (ret)
1919 goto probe_init_failed;
1920 /* Alloc arrays of request and response ring ptrs */
1921 if (!qla2x00_alloc_queues(ha)) {
1922 qla_printk(KERN_WARNING, ha,
1923 "[ERROR] Failed to allocate memory for queue"
1924 " pointers\n");
1925 goto probe_init_failed;
1926 }
1927 ha->rsp_q_map[0] = rsp;
1928 ha->req_q_map[0] = req;
1929
1930 if (ha->mqenable) {
1931 ha->isp_ops->wrt_req_reg = qla25xx_wrt_req_reg;
1932 ha->isp_ops->wrt_rsp_reg = qla25xx_wrt_rsp_reg;
1933 ha->isp_ops->rd_req_reg = qla25xx_rd_req_reg;
1934 }
1935
1936 if (qla2x00_initialize_adapter(base_vha)) {
1937 qla_printk(KERN_WARNING, ha,
1938 "Failed to initialize adapter\n");
1939
1940 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1941 "Adapter flags %x.\n",
1942 base_vha->host_no, base_vha->device_flags));
1943
1944 ret = -ENODEV;
1945 goto probe_failed;
1946 }
1947
1948 /*
1949 * Startup the kernel thread for this host adapter
1950 */
1951 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
1952 "%s_dpc", base_vha->host_str);
1953 if (IS_ERR(ha->dpc_thread)) {
1954 qla_printk(KERN_WARNING, ha,
1955 "Unable to start DPC thread!\n");
1956 ret = PTR_ERR(ha->dpc_thread);
1957 goto probe_failed;
1958 }
1959
1960 list_add_tail(&base_vha->list, &ha->vp_list);
1961 base_vha->host->irq = ha->pdev->irq;
1962
1963 /* Initialized the timer */
1964 qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
1965
1966 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
1967 base_vha->host_no, ha));
1968
1969 base_vha->flags.init_done = 1;
1970 base_vha->flags.online = 1;
1971
1972 ret = scsi_add_host(host, &pdev->dev);
1973 if (ret)
1974 goto probe_failed;
1975
1976 ha->isp_ops->enable_intrs(ha);
1977
1978 scsi_scan_host(host);
1979
1980 qla2x00_alloc_sysfs_attr(base_vha);
1981
1982 qla2x00_init_host_attr(base_vha);
1983
1984 qla2x00_dfs_setup(base_vha);
1985
1986 qla_printk(KERN_INFO, ha, "\n"
1987 " QLogic Fibre Channel HBA Driver: %s\n"
1988 " QLogic %s - %s\n"
1989 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
1990 qla2x00_version_str, ha->model_number,
1991 ha->model_desc ? ha->model_desc : "", pdev->device,
1992 ha->isp_ops->pci_info_str(base_vha, pci_info), pci_name(pdev),
1993 ha->flags.enable_64bit_addressing ? '+' : '-', base_vha->host_no,
1994 ha->isp_ops->fw_version_str(base_vha, fw_str));
1995
1996 return 0;
1997
1998 probe_init_failed:
1999 qla2x00_free_que(ha, req, rsp);
2000 ha->max_queues = 0;
2001
2002 probe_failed:
2003 qla2x00_free_device(base_vha);
2004
2005 scsi_host_put(base_vha->host);
2006
2007 probe_hw_failed:
2008 if (ha->iobase)
2009 iounmap(ha->iobase);
2010
2011 pci_release_selected_regions(ha->pdev, ha->bars);
2012 kfree(ha);
2013 ha = NULL;
2014
2015 probe_out:
2016 pci_disable_device(pdev);
2017 return ret;
2018 }
2019
2020 static void
2021 qla2x00_remove_one(struct pci_dev *pdev)
2022 {
2023 scsi_qla_host_t *base_vha, *vha, *temp;
2024 struct qla_hw_data *ha;
2025
2026 base_vha = pci_get_drvdata(pdev);
2027 ha = base_vha->hw;
2028
2029 list_for_each_entry_safe(vha, temp, &ha->vp_list, list) {
2030 if (vha && vha->fc_vport)
2031 fc_vport_terminate(vha->fc_vport);
2032 }
2033
2034 set_bit(UNLOADING, &base_vha->dpc_flags);
2035
2036 qla2x00_dfs_remove(base_vha);
2037
2038 qla84xx_put_chip(base_vha);
2039
2040 qla2x00_free_sysfs_attr(base_vha);
2041
2042 fc_remove_host(base_vha->host);
2043
2044 scsi_remove_host(base_vha->host);
2045
2046 qla2x00_free_device(base_vha);
2047
2048 scsi_host_put(base_vha->host);
2049
2050 if (ha->iobase)
2051 iounmap(ha->iobase);
2052
2053 if (ha->mqiobase)
2054 iounmap(ha->mqiobase);
2055
2056 pci_release_selected_regions(ha->pdev, ha->bars);
2057 kfree(ha);
2058 ha = NULL;
2059
2060 pci_disable_device(pdev);
2061 pci_set_drvdata(pdev, NULL);
2062 }
2063
2064 static void
2065 qla2x00_free_device(scsi_qla_host_t *vha)
2066 {
2067 struct qla_hw_data *ha = vha->hw;
2068 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
2069
2070 /* Disable timer */
2071 if (vha->timer_active)
2072 qla2x00_stop_timer(vha);
2073
2074 vha->flags.online = 0;
2075
2076 /* Kill the kernel thread for this host */
2077 if (ha->dpc_thread) {
2078 struct task_struct *t = ha->dpc_thread;
2079
2080 /*
2081 * qla2xxx_wake_dpc checks for ->dpc_thread
2082 * so we need to zero it out.
2083 */
2084 ha->dpc_thread = NULL;
2085 kthread_stop(t);
2086 }
2087
2088 if (ha->flags.fce_enabled)
2089 qla2x00_disable_fce_trace(vha, NULL, NULL);
2090
2091 if (ha->eft)
2092 qla2x00_disable_eft_trace(vha);
2093
2094 /* Stop currently executing firmware. */
2095 qla2x00_try_to_stop_firmware(vha);
2096
2097 /* turn-off interrupts on the card */
2098 if (ha->interrupts_on)
2099 ha->isp_ops->disable_intrs(ha);
2100
2101 qla2x00_free_irqs(vha);
2102
2103 qla2x00_mem_free(ha);
2104
2105 qla2x00_free_queues(ha);
2106 }
2107
2108 static inline void
2109 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
2110 int defer)
2111 {
2112 struct fc_rport *rport;
2113
2114 if (!fcport->rport)
2115 return;
2116
2117 rport = fcport->rport;
2118 if (defer) {
2119 spin_lock_irq(vha->host->host_lock);
2120 fcport->drport = rport;
2121 spin_unlock_irq(vha->host->host_lock);
2122 set_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags);
2123 qla2xxx_wake_dpc(vha);
2124 } else
2125 fc_remote_port_delete(rport);
2126 }
2127
2128 /*
2129 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
2130 *
2131 * Input: ha = adapter block pointer. fcport = port structure pointer.
2132 *
2133 * Return: None.
2134 *
2135 * Context:
2136 */
2137 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
2138 int do_login, int defer)
2139 {
2140 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2141 vha->vp_idx == fcport->vp_idx) {
2142 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2143 qla2x00_schedule_rport_del(vha, fcport, defer);
2144 }
2145 /*
2146 * We may need to retry the login, so don't change the state of the
2147 * port but do the retries.
2148 */
2149 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
2150 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2151
2152 if (!do_login)
2153 return;
2154
2155 if (fcport->login_retry == 0) {
2156 fcport->login_retry = vha->hw->login_retry_count;
2157 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2158
2159 DEBUG(printk("scsi(%ld): Port login retry: "
2160 "%02x%02x%02x%02x%02x%02x%02x%02x, "
2161 "id = 0x%04x retry cnt=%d\n",
2162 vha->host_no,
2163 fcport->port_name[0],
2164 fcport->port_name[1],
2165 fcport->port_name[2],
2166 fcport->port_name[3],
2167 fcport->port_name[4],
2168 fcport->port_name[5],
2169 fcport->port_name[6],
2170 fcport->port_name[7],
2171 fcport->loop_id,
2172 fcport->login_retry));
2173 }
2174 }
2175
2176 /*
2177 * qla2x00_mark_all_devices_lost
2178 * Updates fcport state when device goes offline.
2179 *
2180 * Input:
2181 * ha = adapter block pointer.
2182 * fcport = port structure pointer.
2183 *
2184 * Return:
2185 * None.
2186 *
2187 * Context:
2188 */
2189 void
2190 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
2191 {
2192 fc_port_t *fcport;
2193
2194 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2195 if (vha->vp_idx != fcport->vp_idx)
2196 continue;
2197 /*
2198 * No point in marking the device as lost, if the device is
2199 * already DEAD.
2200 */
2201 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
2202 continue;
2203 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2204 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2205 qla2x00_schedule_rport_del(vha, fcport, defer);
2206 } else
2207 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2208 }
2209 }
2210
2211 /*
2212 * qla2x00_mem_alloc
2213 * Allocates adapter memory.
2214 *
2215 * Returns:
2216 * 0 = success.
2217 * !0 = failure.
2218 */
2219 static int
2220 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
2221 struct req_que **req, struct rsp_que **rsp)
2222 {
2223 char name[16];
2224
2225 ha->init_cb_size = sizeof(init_cb_t);
2226 if (IS_QLA2XXX_MIDTYPE(ha))
2227 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2228
2229 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
2230 &ha->init_cb_dma, GFP_KERNEL);
2231 if (!ha->init_cb)
2232 goto fail;
2233
2234 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2235 &ha->gid_list_dma, GFP_KERNEL);
2236 if (!ha->gid_list)
2237 goto fail_free_init_cb;
2238
2239 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2240 if (!ha->srb_mempool)
2241 goto fail_free_gid_list;
2242
2243 /* Get memory for cached NVRAM */
2244 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2245 if (!ha->nvram)
2246 goto fail_free_srb_mempool;
2247
2248 snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
2249 ha->pdev->device);
2250 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2251 DMA_POOL_SIZE, 8, 0);
2252 if (!ha->s_dma_pool)
2253 goto fail_free_nvram;
2254
2255 /* Allocate memory for SNS commands */
2256 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2257 /* Get consistent memory allocated for SNS commands */
2258 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
2259 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
2260 if (!ha->sns_cmd)
2261 goto fail_dma_pool;
2262 } else {
2263 /* Get consistent memory allocated for MS IOCB */
2264 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2265 &ha->ms_iocb_dma);
2266 if (!ha->ms_iocb)
2267 goto fail_dma_pool;
2268 /* Get consistent memory allocated for CT SNS commands */
2269 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
2270 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
2271 if (!ha->ct_sns)
2272 goto fail_free_ms_iocb;
2273 }
2274
2275 /* Allocate memory for request ring */
2276 *req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
2277 if (!*req) {
2278 DEBUG(printk("Unable to allocate memory for req\n"));
2279 goto fail_req;
2280 }
2281 (*req)->length = req_len;
2282 (*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
2283 ((*req)->length + 1) * sizeof(request_t),
2284 &(*req)->dma, GFP_KERNEL);
2285 if (!(*req)->ring) {
2286 DEBUG(printk("Unable to allocate memory for req_ring\n"));
2287 goto fail_req_ring;
2288 }
2289 /* Allocate memory for response ring */
2290 *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
2291 if (!*rsp) {
2292 qla_printk(KERN_WARNING, ha,
2293 "Unable to allocate memory for rsp\n");
2294 goto fail_rsp;
2295 }
2296 (*rsp)->hw = ha;
2297 (*rsp)->length = rsp_len;
2298 (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
2299 ((*rsp)->length + 1) * sizeof(response_t),
2300 &(*rsp)->dma, GFP_KERNEL);
2301 if (!(*rsp)->ring) {
2302 qla_printk(KERN_WARNING, ha,
2303 "Unable to allocate memory for rsp_ring\n");
2304 goto fail_rsp_ring;
2305 }
2306 (*req)->rsp = *rsp;
2307 (*rsp)->req = *req;
2308 /* Allocate memory for NVRAM data for vports */
2309 if (ha->nvram_npiv_size) {
2310 ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
2311 ha->nvram_npiv_size, GFP_KERNEL);
2312 if (!ha->npiv_info) {
2313 qla_printk(KERN_WARNING, ha,
2314 "Unable to allocate memory for npiv info\n");
2315 goto fail_npiv_info;
2316 }
2317 } else
2318 ha->npiv_info = NULL;
2319
2320 INIT_LIST_HEAD(&ha->vp_list);
2321 return 1;
2322
2323 fail_npiv_info:
2324 dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
2325 sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
2326 (*rsp)->ring = NULL;
2327 (*rsp)->dma = 0;
2328 fail_rsp_ring:
2329 kfree(*rsp);
2330 fail_rsp:
2331 dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
2332 sizeof(request_t), (*req)->ring, (*req)->dma);
2333 (*req)->ring = NULL;
2334 (*req)->dma = 0;
2335 fail_req_ring:
2336 kfree(*req);
2337 fail_req:
2338 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2339 ha->ct_sns, ha->ct_sns_dma);
2340 ha->ct_sns = NULL;
2341 ha->ct_sns_dma = 0;
2342 fail_free_ms_iocb:
2343 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2344 ha->ms_iocb = NULL;
2345 ha->ms_iocb_dma = 0;
2346 fail_dma_pool:
2347 dma_pool_destroy(ha->s_dma_pool);
2348 ha->s_dma_pool = NULL;
2349 fail_free_nvram:
2350 kfree(ha->nvram);
2351 ha->nvram = NULL;
2352 fail_free_srb_mempool:
2353 mempool_destroy(ha->srb_mempool);
2354 ha->srb_mempool = NULL;
2355 fail_free_gid_list:
2356 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2357 ha->gid_list_dma);
2358 ha->gid_list = NULL;
2359 ha->gid_list_dma = 0;
2360 fail_free_init_cb:
2361 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
2362 ha->init_cb_dma);
2363 ha->init_cb = NULL;
2364 ha->init_cb_dma = 0;
2365 fail:
2366 DEBUG(printk("%s: Memory allocation failure\n", __func__));
2367 return -ENOMEM;
2368 }
2369
2370 /*
2371 * qla2x00_mem_free
2372 * Frees all adapter allocated memory.
2373 *
2374 * Input:
2375 * ha = adapter block pointer.
2376 */
2377 static void
2378 qla2x00_mem_free(struct qla_hw_data *ha)
2379 {
2380 if (ha->srb_mempool)
2381 mempool_destroy(ha->srb_mempool);
2382
2383 if (ha->fce)
2384 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
2385 ha->fce_dma);
2386
2387 if (ha->fw_dump) {
2388 if (ha->eft)
2389 dma_free_coherent(&ha->pdev->dev,
2390 ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
2391 vfree(ha->fw_dump);
2392 }
2393
2394 if (ha->sns_cmd)
2395 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2396 ha->sns_cmd, ha->sns_cmd_dma);
2397
2398 if (ha->ct_sns)
2399 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2400 ha->ct_sns, ha->ct_sns_dma);
2401
2402 if (ha->sfp_data)
2403 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2404
2405 if (ha->ms_iocb)
2406 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2407
2408 if (ha->s_dma_pool)
2409 dma_pool_destroy(ha->s_dma_pool);
2410
2411
2412 if (ha->gid_list)
2413 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2414 ha->gid_list_dma);
2415
2416
2417 if (ha->init_cb)
2418 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2419 ha->init_cb, ha->init_cb_dma);
2420 vfree(ha->optrom_buffer);
2421 kfree(ha->nvram);
2422 kfree(ha->npiv_info);
2423
2424 ha->srb_mempool = NULL;
2425 ha->eft = NULL;
2426 ha->eft_dma = 0;
2427 ha->sns_cmd = NULL;
2428 ha->sns_cmd_dma = 0;
2429 ha->ct_sns = NULL;
2430 ha->ct_sns_dma = 0;
2431 ha->ms_iocb = NULL;
2432 ha->ms_iocb_dma = 0;
2433 ha->init_cb = NULL;
2434 ha->init_cb_dma = 0;
2435
2436 ha->s_dma_pool = NULL;
2437
2438 ha->gid_list = NULL;
2439 ha->gid_list_dma = 0;
2440
2441 ha->fw_dump = NULL;
2442 ha->fw_dumped = 0;
2443 ha->fw_dump_reading = 0;
2444 }
2445
2446 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
2447 struct qla_hw_data *ha)
2448 {
2449 struct Scsi_Host *host;
2450 struct scsi_qla_host *vha = NULL;
2451
2452 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
2453 if (host == NULL) {
2454 printk(KERN_WARNING
2455 "qla2xxx: Couldn't allocate host from scsi layer!\n");
2456 goto fail;
2457 }
2458
2459 /* Clear our data area */
2460 vha = shost_priv(host);
2461 memset(vha, 0, sizeof(scsi_qla_host_t));
2462
2463 vha->host = host;
2464 vha->host_no = host->host_no;
2465 vha->hw = ha;
2466
2467 INIT_LIST_HEAD(&vha->vp_fcports);
2468 INIT_LIST_HEAD(&vha->work_list);
2469 INIT_LIST_HEAD(&vha->list);
2470
2471 sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
2472 return vha;
2473
2474 fail:
2475 return vha;
2476 }
2477
2478 static struct qla_work_evt *
2479 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type,
2480 int locked)
2481 {
2482 struct qla_work_evt *e;
2483
2484 e = kzalloc(sizeof(struct qla_work_evt), locked ? GFP_ATOMIC:
2485 GFP_KERNEL);
2486 if (!e)
2487 return NULL;
2488
2489 INIT_LIST_HEAD(&e->list);
2490 e->type = type;
2491 e->flags = QLA_EVT_FLAG_FREE;
2492 return e;
2493 }
2494
2495 static int
2496 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e, int locked)
2497 {
2498 unsigned long uninitialized_var(flags);
2499 struct qla_hw_data *ha = vha->hw;
2500
2501 if (!locked)
2502 spin_lock_irqsave(&ha->hardware_lock, flags);
2503 list_add_tail(&e->list, &vha->work_list);
2504 qla2xxx_wake_dpc(vha);
2505 if (!locked)
2506 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2507 return QLA_SUCCESS;
2508 }
2509
2510 int
2511 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
2512 u32 data)
2513 {
2514 struct qla_work_evt *e;
2515
2516 e = qla2x00_alloc_work(vha, QLA_EVT_AEN, 1);
2517 if (!e)
2518 return QLA_FUNCTION_FAILED;
2519
2520 e->u.aen.code = code;
2521 e->u.aen.data = data;
2522 return qla2x00_post_work(vha, e, 1);
2523 }
2524
2525 static void
2526 qla2x00_do_work(struct scsi_qla_host *vha)
2527 {
2528 struct qla_work_evt *e;
2529 struct qla_hw_data *ha = vha->hw;
2530
2531 spin_lock_irq(&ha->hardware_lock);
2532 while (!list_empty(&vha->work_list)) {
2533 e = list_entry(vha->work_list.next, struct qla_work_evt, list);
2534 list_del_init(&e->list);
2535 spin_unlock_irq(&ha->hardware_lock);
2536
2537 switch (e->type) {
2538 case QLA_EVT_AEN:
2539 fc_host_post_event(vha->host, fc_get_event_number(),
2540 e->u.aen.code, e->u.aen.data);
2541 break;
2542 }
2543 if (e->flags & QLA_EVT_FLAG_FREE)
2544 kfree(e);
2545 spin_lock_irq(&ha->hardware_lock);
2546 }
2547 spin_unlock_irq(&ha->hardware_lock);
2548 }
2549 /* Relogins all the fcports of a vport
2550 * Context: dpc thread
2551 */
2552 void qla2x00_relogin(struct scsi_qla_host *vha)
2553 {
2554 fc_port_t *fcport;
2555 uint8_t status;
2556 uint16_t next_loopid = 0;
2557 struct qla_hw_data *ha = vha->hw;
2558
2559 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2560 /*
2561 * If the port is not ONLINE then try to login
2562 * to it if we haven't run out of retries.
2563 */
2564 if (atomic_read(&fcport->state) !=
2565 FCS_ONLINE && fcport->login_retry) {
2566
2567 if (fcport->flags & FCF_FABRIC_DEVICE) {
2568 if (fcport->flags & FCF_TAPE_PRESENT)
2569 ha->isp_ops->fabric_logout(vha,
2570 fcport->loop_id,
2571 fcport->d_id.b.domain,
2572 fcport->d_id.b.area,
2573 fcport->d_id.b.al_pa);
2574
2575 status = qla2x00_fabric_login(vha, fcport,
2576 &next_loopid);
2577 } else
2578 status = qla2x00_local_device_login(vha,
2579 fcport);
2580
2581 fcport->login_retry--;
2582 if (status == QLA_SUCCESS) {
2583 fcport->old_loop_id = fcport->loop_id;
2584
2585 DEBUG(printk("scsi(%ld): port login OK: logged "
2586 "in ID 0x%x\n", vha->host_no, fcport->loop_id));
2587
2588 qla2x00_update_fcport(vha, fcport);
2589
2590 } else if (status == 1) {
2591 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2592 /* retry the login again */
2593 DEBUG(printk("scsi(%ld): Retrying"
2594 " %d login again loop_id 0x%x\n",
2595 vha->host_no, fcport->login_retry,
2596 fcport->loop_id));
2597 } else {
2598 fcport->login_retry = 0;
2599 }
2600
2601 if (fcport->login_retry == 0 && status != QLA_SUCCESS)
2602 fcport->loop_id = FC_NO_LOOP_ID;
2603 }
2604 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2605 break;
2606 }
2607 }
2608
2609 /**************************************************************************
2610 * qla2x00_do_dpc
2611 * This kernel thread is a task that is schedule by the interrupt handler
2612 * to perform the background processing for interrupts.
2613 *
2614 * Notes:
2615 * This task always run in the context of a kernel thread. It
2616 * is kick-off by the driver's detect code and starts up
2617 * up one per adapter. It immediately goes to sleep and waits for
2618 * some fibre event. When either the interrupt handler or
2619 * the timer routine detects a event it will one of the task
2620 * bits then wake us up.
2621 **************************************************************************/
2622 static int
2623 qla2x00_do_dpc(void *data)
2624 {
2625 int rval;
2626 scsi_qla_host_t *base_vha;
2627 struct qla_hw_data *ha;
2628
2629 ha = (struct qla_hw_data *)data;
2630 base_vha = pci_get_drvdata(ha->pdev);
2631
2632 set_user_nice(current, -20);
2633
2634 while (!kthread_should_stop()) {
2635 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2636
2637 set_current_state(TASK_INTERRUPTIBLE);
2638 schedule();
2639 __set_current_state(TASK_RUNNING);
2640
2641 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2642
2643 /* Initialization not yet finished. Don't do anything yet. */
2644 if (!base_vha->flags.init_done)
2645 continue;
2646
2647 DEBUG3(printk("scsi(%ld): DPC handler\n", base_vha->host_no));
2648
2649 ha->dpc_active = 1;
2650
2651 if (ha->flags.mbox_busy) {
2652 ha->dpc_active = 0;
2653 continue;
2654 }
2655
2656 qla2x00_do_work(base_vha);
2657
2658 if (test_and_clear_bit(ISP_ABORT_NEEDED,
2659 &base_vha->dpc_flags)) {
2660
2661 DEBUG(printk("scsi(%ld): dpc: sched "
2662 "qla2x00_abort_isp ha = %p\n",
2663 base_vha->host_no, ha));
2664 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
2665 &base_vha->dpc_flags))) {
2666
2667 if (qla2x00_abort_isp(base_vha)) {
2668 /* failed. retry later */
2669 set_bit(ISP_ABORT_NEEDED,
2670 &base_vha->dpc_flags);
2671 }
2672 clear_bit(ABORT_ISP_ACTIVE,
2673 &base_vha->dpc_flags);
2674 }
2675
2676 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
2677 base_vha->host_no));
2678 }
2679
2680 if (test_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags)) {
2681 qla2x00_update_fcports(base_vha);
2682 clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
2683 }
2684
2685 if (test_and_clear_bit(RESET_MARKER_NEEDED,
2686 &base_vha->dpc_flags) &&
2687 (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
2688
2689 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
2690 base_vha->host_no));
2691
2692 qla2x00_rst_aen(base_vha);
2693 clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
2694 }
2695
2696 /* Retry each device up to login retry count */
2697 if ((test_and_clear_bit(RELOGIN_NEEDED,
2698 &base_vha->dpc_flags)) &&
2699 !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
2700 atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
2701
2702 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
2703 base_vha->host_no));
2704 qla2x00_relogin(base_vha);
2705
2706 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
2707 base_vha->host_no));
2708 }
2709
2710 if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
2711 &base_vha->dpc_flags)) {
2712
2713 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
2714 base_vha->host_no));
2715
2716 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
2717 &base_vha->dpc_flags))) {
2718
2719 rval = qla2x00_loop_resync(base_vha);
2720
2721 clear_bit(LOOP_RESYNC_ACTIVE,
2722 &base_vha->dpc_flags);
2723 }
2724
2725 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
2726 base_vha->host_no));
2727 }
2728
2729 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
2730 atomic_read(&base_vha->loop_state) == LOOP_READY) {
2731 clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
2732 qla2xxx_flash_npiv_conf(base_vha);
2733 }
2734
2735 if (!ha->interrupts_on)
2736 ha->isp_ops->enable_intrs(ha);
2737
2738 if (test_and_clear_bit(BEACON_BLINK_NEEDED,
2739 &base_vha->dpc_flags))
2740 ha->isp_ops->beacon_blink(base_vha);
2741
2742 qla2x00_do_dpc_all_vps(base_vha);
2743
2744 ha->dpc_active = 0;
2745 } /* End of while(1) */
2746
2747 DEBUG(printk("scsi(%ld): DPC handler exiting\n", base_vha->host_no));
2748
2749 /*
2750 * Make sure that nobody tries to wake us up again.
2751 */
2752 ha->dpc_active = 0;
2753
2754 return 0;
2755 }
2756
2757 void
2758 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
2759 {
2760 struct qla_hw_data *ha = vha->hw;
2761 struct task_struct *t = ha->dpc_thread;
2762
2763 if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
2764 wake_up_process(t);
2765 }
2766
2767 /*
2768 * qla2x00_rst_aen
2769 * Processes asynchronous reset.
2770 *
2771 * Input:
2772 * ha = adapter block pointer.
2773 */
2774 static void
2775 qla2x00_rst_aen(scsi_qla_host_t *vha)
2776 {
2777 if (vha->flags.online && !vha->flags.reset_active &&
2778 !atomic_read(&vha->loop_down_timer) &&
2779 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
2780 do {
2781 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
2782
2783 /*
2784 * Issue marker command only when we are going to start
2785 * the I/O.
2786 */
2787 vha->marker_needed = 1;
2788 } while (!atomic_read(&vha->loop_down_timer) &&
2789 (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
2790 }
2791 }
2792
2793 static void
2794 qla2x00_sp_free_dma(srb_t *sp)
2795 {
2796 struct scsi_cmnd *cmd = sp->cmd;
2797
2798 if (sp->flags & SRB_DMA_VALID) {
2799 scsi_dma_unmap(cmd);
2800 sp->flags &= ~SRB_DMA_VALID;
2801 }
2802 CMD_SP(cmd) = NULL;
2803 }
2804
2805 void
2806 qla2x00_sp_compl(struct qla_hw_data *ha, srb_t *sp)
2807 {
2808 struct scsi_cmnd *cmd = sp->cmd;
2809
2810 qla2x00_sp_free_dma(sp);
2811
2812 mempool_free(sp, ha->srb_mempool);
2813
2814 cmd->scsi_done(cmd);
2815 }
2816
2817 /**************************************************************************
2818 * qla2x00_timer
2819 *
2820 * Description:
2821 * One second timer
2822 *
2823 * Context: Interrupt
2824 ***************************************************************************/
2825 void
2826 qla2x00_timer(scsi_qla_host_t *vha)
2827 {
2828 unsigned long cpu_flags = 0;
2829 fc_port_t *fcport;
2830 int start_dpc = 0;
2831 int index;
2832 srb_t *sp;
2833 int t;
2834 struct qla_hw_data *ha = vha->hw;
2835 struct req_que *req;
2836 /*
2837 * Ports - Port down timer.
2838 *
2839 * Whenever, a port is in the LOST state we start decrementing its port
2840 * down timer every second until it reaches zero. Once it reaches zero
2841 * the port it marked DEAD.
2842 */
2843 t = 0;
2844 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2845 if (fcport->port_type != FCT_TARGET)
2846 continue;
2847
2848 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2849
2850 if (atomic_read(&fcport->port_down_timer) == 0)
2851 continue;
2852
2853 if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
2854 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
2855
2856 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
2857 "%d remaining\n",
2858 vha->host_no,
2859 t, atomic_read(&fcport->port_down_timer)));
2860 }
2861 t++;
2862 } /* End of for fcport */
2863
2864
2865 /* Loop down handler. */
2866 if (atomic_read(&vha->loop_down_timer) > 0 &&
2867 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
2868 && vha->flags.online) {
2869
2870 if (atomic_read(&vha->loop_down_timer) ==
2871 vha->loop_down_abort_time) {
2872
2873 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2874 "queues before time expire\n",
2875 vha->host_no));
2876
2877 if (!IS_QLA2100(ha) && vha->link_down_timeout)
2878 atomic_set(&vha->loop_state, LOOP_DEAD);
2879
2880 /* Schedule an ISP abort to return any tape commands. */
2881 /* NPIV - scan physical port only */
2882 if (!vha->vp_idx) {
2883 spin_lock_irqsave(&ha->hardware_lock,
2884 cpu_flags);
2885 req = ha->req_q_map[0];
2886 for (index = 1;
2887 index < MAX_OUTSTANDING_COMMANDS;
2888 index++) {
2889 fc_port_t *sfcp;
2890
2891 sp = req->outstanding_cmds[index];
2892 if (!sp)
2893 continue;
2894 sfcp = sp->fcport;
2895 if (!(sfcp->flags & FCF_TAPE_PRESENT))
2896 continue;
2897
2898 set_bit(ISP_ABORT_NEEDED,
2899 &vha->dpc_flags);
2900 break;
2901 }
2902 spin_unlock_irqrestore(&ha->hardware_lock,
2903 cpu_flags);
2904 }
2905 set_bit(ABORT_QUEUES_NEEDED, &vha->dpc_flags);
2906 start_dpc++;
2907 }
2908
2909 /* if the loop has been down for 4 minutes, reinit adapter */
2910 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
2911 DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - "
2912 "restarting queues.\n",
2913 vha->host_no));
2914
2915 set_bit(RESTART_QUEUES_NEEDED, &vha->dpc_flags);
2916 start_dpc++;
2917
2918 if (!(vha->device_flags & DFLG_NO_CABLE) &&
2919 !vha->vp_idx) {
2920 DEBUG(printk("scsi(%ld): Loop down - "
2921 "aborting ISP.\n",
2922 vha->host_no));
2923 qla_printk(KERN_WARNING, ha,
2924 "Loop down - aborting ISP.\n");
2925
2926 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2927 }
2928 }
2929 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
2930 vha->host_no,
2931 atomic_read(&vha->loop_down_timer)));
2932 }
2933
2934 /* Check if beacon LED needs to be blinked */
2935 if (ha->beacon_blink_led == 1) {
2936 set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
2937 start_dpc++;
2938 }
2939
2940 /* Process any deferred work. */
2941 if (!list_empty(&vha->work_list))
2942 start_dpc++;
2943
2944 /* Schedule the DPC routine if needed */
2945 if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
2946 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
2947 test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
2948 start_dpc ||
2949 test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
2950 test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
2951 test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
2952 test_bit(RELOGIN_NEEDED, &vha->dpc_flags)))
2953 qla2xxx_wake_dpc(vha);
2954
2955 qla2x00_restart_timer(vha, WATCH_INTERVAL);
2956 }
2957
2958 /* Firmware interface routines. */
2959
2960 #define FW_BLOBS 7
2961 #define FW_ISP21XX 0
2962 #define FW_ISP22XX 1
2963 #define FW_ISP2300 2
2964 #define FW_ISP2322 3
2965 #define FW_ISP24XX 4
2966 #define FW_ISP25XX 5
2967 #define FW_ISP81XX 6
2968
2969 #define FW_FILE_ISP21XX "ql2100_fw.bin"
2970 #define FW_FILE_ISP22XX "ql2200_fw.bin"
2971 #define FW_FILE_ISP2300 "ql2300_fw.bin"
2972 #define FW_FILE_ISP2322 "ql2322_fw.bin"
2973 #define FW_FILE_ISP24XX "ql2400_fw.bin"
2974 #define FW_FILE_ISP25XX "ql2500_fw.bin"
2975 #define FW_FILE_ISP81XX "ql8100_fw.bin"
2976
2977 static DEFINE_MUTEX(qla_fw_lock);
2978
2979 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
2980 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
2981 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
2982 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
2983 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
2984 { .name = FW_FILE_ISP24XX, },
2985 { .name = FW_FILE_ISP25XX, },
2986 { .name = FW_FILE_ISP81XX, },
2987 };
2988
2989 struct fw_blob *
2990 qla2x00_request_firmware(scsi_qla_host_t *vha)
2991 {
2992 struct qla_hw_data *ha = vha->hw;
2993 struct fw_blob *blob;
2994
2995 blob = NULL;
2996 if (IS_QLA2100(ha)) {
2997 blob = &qla_fw_blobs[FW_ISP21XX];
2998 } else if (IS_QLA2200(ha)) {
2999 blob = &qla_fw_blobs[FW_ISP22XX];
3000 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
3001 blob = &qla_fw_blobs[FW_ISP2300];
3002 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
3003 blob = &qla_fw_blobs[FW_ISP2322];
3004 } else if (IS_QLA24XX_TYPE(ha)) {
3005 blob = &qla_fw_blobs[FW_ISP24XX];
3006 } else if (IS_QLA25XX(ha)) {
3007 blob = &qla_fw_blobs[FW_ISP25XX];
3008 } else if (IS_QLA81XX(ha)) {
3009 blob = &qla_fw_blobs[FW_ISP81XX];
3010 }
3011
3012 mutex_lock(&qla_fw_lock);
3013 if (blob->fw)
3014 goto out;
3015
3016 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
3017 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
3018 "(%s).\n", vha->host_no, blob->name));
3019 blob->fw = NULL;
3020 blob = NULL;
3021 goto out;
3022 }
3023
3024 out:
3025 mutex_unlock(&qla_fw_lock);
3026 return blob;
3027 }
3028
3029 static void
3030 qla2x00_release_firmware(void)
3031 {
3032 int idx;
3033
3034 mutex_lock(&qla_fw_lock);
3035 for (idx = 0; idx < FW_BLOBS; idx++)
3036 if (qla_fw_blobs[idx].fw)
3037 release_firmware(qla_fw_blobs[idx].fw);
3038 mutex_unlock(&qla_fw_lock);
3039 }
3040
3041 static pci_ers_result_t
3042 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
3043 {
3044 switch (state) {
3045 case pci_channel_io_normal:
3046 return PCI_ERS_RESULT_CAN_RECOVER;
3047 case pci_channel_io_frozen:
3048 pci_disable_device(pdev);
3049 return PCI_ERS_RESULT_NEED_RESET;
3050 case pci_channel_io_perm_failure:
3051 qla2x00_remove_one(pdev);
3052 return PCI_ERS_RESULT_DISCONNECT;
3053 }
3054 return PCI_ERS_RESULT_NEED_RESET;
3055 }
3056
3057 static pci_ers_result_t
3058 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
3059 {
3060 int risc_paused = 0;
3061 uint32_t stat;
3062 unsigned long flags;
3063 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3064 struct qla_hw_data *ha = base_vha->hw;
3065 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3066 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
3067
3068 spin_lock_irqsave(&ha->hardware_lock, flags);
3069 if (IS_QLA2100(ha) || IS_QLA2200(ha)){
3070 stat = RD_REG_DWORD(&reg->hccr);
3071 if (stat & HCCR_RISC_PAUSE)
3072 risc_paused = 1;
3073 } else if (IS_QLA23XX(ha)) {
3074 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
3075 if (stat & HSR_RISC_PAUSED)
3076 risc_paused = 1;
3077 } else if (IS_FWI2_CAPABLE(ha)) {
3078 stat = RD_REG_DWORD(&reg24->host_status);
3079 if (stat & HSRX_RISC_PAUSED)
3080 risc_paused = 1;
3081 }
3082 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3083
3084 if (risc_paused) {
3085 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
3086 "Dumping firmware!\n");
3087 ha->isp_ops->fw_dump(base_vha, 0);
3088
3089 return PCI_ERS_RESULT_NEED_RESET;
3090 } else
3091 return PCI_ERS_RESULT_RECOVERED;
3092 }
3093
3094 static pci_ers_result_t
3095 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
3096 {
3097 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
3098 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3099 struct qla_hw_data *ha = base_vha->hw;
3100 int rc;
3101
3102 if (ha->mem_only)
3103 rc = pci_enable_device_mem(pdev);
3104 else
3105 rc = pci_enable_device(pdev);
3106
3107 if (rc) {
3108 qla_printk(KERN_WARNING, ha,
3109 "Can't re-enable PCI device after reset.\n");
3110
3111 return ret;
3112 }
3113 pci_set_master(pdev);
3114
3115 if (ha->isp_ops->pci_config(base_vha))
3116 return ret;
3117
3118 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3119 if (qla2x00_abort_isp(base_vha) == QLA_SUCCESS)
3120 ret = PCI_ERS_RESULT_RECOVERED;
3121 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3122
3123 return ret;
3124 }
3125
3126 static void
3127 qla2xxx_pci_resume(struct pci_dev *pdev)
3128 {
3129 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3130 struct qla_hw_data *ha = base_vha->hw;
3131 int ret;
3132
3133 ret = qla2x00_wait_for_hba_online(base_vha);
3134 if (ret != QLA_SUCCESS) {
3135 qla_printk(KERN_ERR, ha,
3136 "the device failed to resume I/O "
3137 "from slot/link_reset");
3138 }
3139 pci_cleanup_aer_uncorrect_error_status(pdev);
3140 }
3141
3142 static struct pci_error_handlers qla2xxx_err_handler = {
3143 .error_detected = qla2xxx_pci_error_detected,
3144 .mmio_enabled = qla2xxx_pci_mmio_enabled,
3145 .slot_reset = qla2xxx_pci_slot_reset,
3146 .resume = qla2xxx_pci_resume,
3147 };
3148
3149 static struct pci_device_id qla2xxx_pci_tbl[] = {
3150 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
3151 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
3152 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
3153 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
3154 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
3155 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
3156 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
3157 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
3158 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
3159 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
3160 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
3161 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
3162 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
3163 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
3164 { 0 },
3165 };
3166 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
3167
3168 static struct pci_driver qla2xxx_pci_driver = {
3169 .name = QLA2XXX_DRIVER_NAME,
3170 .driver = {
3171 .owner = THIS_MODULE,
3172 },
3173 .id_table = qla2xxx_pci_tbl,
3174 .probe = qla2x00_probe_one,
3175 .remove = qla2x00_remove_one,
3176 .err_handler = &qla2xxx_err_handler,
3177 };
3178
3179 /**
3180 * qla2x00_module_init - Module initialization.
3181 **/
3182 static int __init
3183 qla2x00_module_init(void)
3184 {
3185 int ret = 0;
3186
3187 /* Allocate cache for SRBs. */
3188 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
3189 SLAB_HWCACHE_ALIGN, NULL);
3190 if (srb_cachep == NULL) {
3191 printk(KERN_ERR
3192 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
3193 return -ENOMEM;
3194 }
3195
3196 /* Derive version string. */
3197 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
3198 if (ql2xextended_error_logging)
3199 strcat(qla2x00_version_str, "-debug");
3200
3201 qla2xxx_transport_template =
3202 fc_attach_transport(&qla2xxx_transport_functions);
3203 if (!qla2xxx_transport_template) {
3204 kmem_cache_destroy(srb_cachep);
3205 return -ENODEV;
3206 }
3207 qla2xxx_transport_vport_template =
3208 fc_attach_transport(&qla2xxx_transport_vport_functions);
3209 if (!qla2xxx_transport_vport_template) {
3210 kmem_cache_destroy(srb_cachep);
3211 fc_release_transport(qla2xxx_transport_template);
3212 return -ENODEV;
3213 }
3214
3215 printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n",
3216 qla2x00_version_str);
3217 ret = pci_register_driver(&qla2xxx_pci_driver);
3218 if (ret) {
3219 kmem_cache_destroy(srb_cachep);
3220 fc_release_transport(qla2xxx_transport_template);
3221 fc_release_transport(qla2xxx_transport_vport_template);
3222 }
3223 return ret;
3224 }
3225
3226 /**
3227 * qla2x00_module_exit - Module cleanup.
3228 **/
3229 static void __exit
3230 qla2x00_module_exit(void)
3231 {
3232 pci_unregister_driver(&qla2xxx_pci_driver);
3233 qla2x00_release_firmware();
3234 kmem_cache_destroy(srb_cachep);
3235 fc_release_transport(qla2xxx_transport_template);
3236 fc_release_transport(qla2xxx_transport_vport_template);
3237 }
3238
3239 module_init(qla2x00_module_init);
3240 module_exit(qla2x00_module_exit);
3241
3242 MODULE_AUTHOR("QLogic Corporation");
3243 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
3244 MODULE_LICENSE("GPL");
3245 MODULE_VERSION(QLA2XXX_VERSION);
3246 MODULE_FIRMWARE(FW_FILE_ISP21XX);
3247 MODULE_FIRMWARE(FW_FILE_ISP22XX);
3248 MODULE_FIRMWARE(FW_FILE_ISP2300);
3249 MODULE_FIRMWARE(FW_FILE_ISP2322);
3250 MODULE_FIRMWARE(FW_FILE_ISP24XX);
3251 MODULE_FIRMWARE(FW_FILE_ISP25XX);
3252 MODULE_FIRMWARE(FW_FILE_ISP81XX);
Openmoko development kernel tree