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MERGE-master-patchset-edits
[linux-2.6/openmoko-kernel.git] / drivers / scsi / qla2xxx / qla_os.c
blob4a71f522f9259308a9d3d08f3d9f54ac9fada1be
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 static void qla2x00_config_dma_addressing(scsi_qla_host_t *ha);
69
70 int ql2xfdmienable=1;
71 module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR);
72 MODULE_PARM_DESC(ql2xfdmienable,
73 "Enables FDMI registratons "
74 "Default is 0 - no FDMI. 1 - perfom FDMI.");
75
76 #define MAX_Q_DEPTH 32
77 static int ql2xmaxqdepth = MAX_Q_DEPTH;
78 module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
79 MODULE_PARM_DESC(ql2xmaxqdepth,
80 "Maximum queue depth to report for target devices.");
81
82 int ql2xqfullrampup = 120;
83 module_param(ql2xqfullrampup, int, S_IRUGO|S_IWUSR);
84 MODULE_PARM_DESC(ql2xqfullrampup,
85 "Number of seconds to wait to begin to ramp-up the queue "
86 "depth for a device after a queue-full condition has been "
87 "detected. Default is 120 seconds.");
88
89 int ql2xiidmaenable=1;
90 module_param(ql2xiidmaenable, int, S_IRUGO|S_IRUSR);
91 MODULE_PARM_DESC(ql2xiidmaenable,
92 "Enables iIDMA settings "
93 "Default is 1 - perform iIDMA. 0 - no iIDMA.");
94
95 int ql2xmaxqueues = 1;
96 module_param(ql2xmaxqueues, int, S_IRUGO|S_IRUSR);
97 MODULE_PARM_DESC(ql2xmaxqueues,
98 "Enables MQ settings "
99 "Default is 1 for single queue. Set it to number \
100 of queues in MQ mode.");
101 /*
102 * SCSI host template entry points
103 */
104 static int qla2xxx_slave_configure(struct scsi_device * device);
105 static int qla2xxx_slave_alloc(struct scsi_device *);
106 static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
107 static void qla2xxx_scan_start(struct Scsi_Host *);
108 static void qla2xxx_slave_destroy(struct scsi_device *);
109 static int qla2x00_queuecommand(struct scsi_cmnd *cmd,
110 void (*fn)(struct scsi_cmnd *));
111 static int qla24xx_queuecommand(struct scsi_cmnd *cmd,
112 void (*fn)(struct scsi_cmnd *));
113 static int qla2xxx_eh_abort(struct scsi_cmnd *);
114 static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
115 static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
116 static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
117 static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
118
119 static int qla2x00_change_queue_depth(struct scsi_device *, int);
120 static int qla2x00_change_queue_type(struct scsi_device *, int);
121
122 static struct scsi_host_template qla2x00_driver_template = {
123 .module = THIS_MODULE,
124 .name = QLA2XXX_DRIVER_NAME,
125 .queuecommand = qla2x00_queuecommand,
126
127 .eh_abort_handler = qla2xxx_eh_abort,
128 .eh_device_reset_handler = qla2xxx_eh_device_reset,
129 .eh_target_reset_handler = qla2xxx_eh_target_reset,
130 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
131 .eh_host_reset_handler = qla2xxx_eh_host_reset,
132
133 .slave_configure = qla2xxx_slave_configure,
134
135 .slave_alloc = qla2xxx_slave_alloc,
136 .slave_destroy = qla2xxx_slave_destroy,
137 .scan_finished = qla2xxx_scan_finished,
138 .scan_start = qla2xxx_scan_start,
139 .change_queue_depth = qla2x00_change_queue_depth,
140 .change_queue_type = qla2x00_change_queue_type,
141 .this_id = -1,
142 .cmd_per_lun = 3,
143 .use_clustering = ENABLE_CLUSTERING,
144 .sg_tablesize = SG_ALL,
145
146 /*
147 * The RISC allows for each command to transfer (2^32-1) bytes of data,
148 * which equates to 0x800000 sectors.
149 */
150 .max_sectors = 0xFFFF,
151 .shost_attrs = qla2x00_host_attrs,
152 };
153
154 struct scsi_host_template qla24xx_driver_template = {
155 .module = THIS_MODULE,
156 .name = QLA2XXX_DRIVER_NAME,
157 .queuecommand = qla24xx_queuecommand,
158
159 .eh_abort_handler = qla2xxx_eh_abort,
160 .eh_device_reset_handler = qla2xxx_eh_device_reset,
161 .eh_target_reset_handler = qla2xxx_eh_target_reset,
162 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
163 .eh_host_reset_handler = qla2xxx_eh_host_reset,
164
165 .slave_configure = qla2xxx_slave_configure,
166
167 .slave_alloc = qla2xxx_slave_alloc,
168 .slave_destroy = qla2xxx_slave_destroy,
169 .scan_finished = qla2xxx_scan_finished,
170 .scan_start = qla2xxx_scan_start,
171 .change_queue_depth = qla2x00_change_queue_depth,
172 .change_queue_type = qla2x00_change_queue_type,
173 .this_id = -1,
174 .cmd_per_lun = 3,
175 .use_clustering = ENABLE_CLUSTERING,
176 .sg_tablesize = SG_ALL,
177
178 .max_sectors = 0xFFFF,
179 .shost_attrs = qla2x00_host_attrs,
180 };
181
182 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
183 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
184
185 /* TODO Convert to inlines
186 *
187 * Timer routines
188 */
189
190 __inline__ void
191 qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval)
192 {
193 init_timer(&vha->timer);
194 vha->timer.expires = jiffies + interval * HZ;
195 vha->timer.data = (unsigned long)vha;
196 vha->timer.function = (void (*)(unsigned long))func;
197 add_timer(&vha->timer);
198 vha->timer_active = 1;
199 }
200
201 static inline void
202 qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
203 {
204 mod_timer(&vha->timer, jiffies + interval * HZ);
205 }
206
207 static __inline__ void
208 qla2x00_stop_timer(scsi_qla_host_t *vha)
209 {
210 del_timer_sync(&vha->timer);
211 vha->timer_active = 0;
212 }
213
214 static int qla2x00_do_dpc(void *data);
215
216 static void qla2x00_rst_aen(scsi_qla_host_t *);
217
218 static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
219 struct req_que **, struct rsp_que **);
220 static void qla2x00_mem_free(struct qla_hw_data *);
221 static void qla2x00_sp_free_dma(srb_t *);
222
223 /* -------------------------------------------------------------------------- */
224 static int qla2x00_alloc_queues(struct qla_hw_data *ha)
225 {
226 ha->req_q_map = kzalloc(sizeof(struct req_que *) * ha->max_queues,
227 GFP_KERNEL);
228 if (!ha->req_q_map) {
229 qla_printk(KERN_WARNING, ha,
230 "Unable to allocate memory for request queue ptrs\n");
231 goto fail_req_map;
232 }
233
234 ha->rsp_q_map = kzalloc(sizeof(struct rsp_que *) * ha->max_queues,
235 GFP_KERNEL);
236 if (!ha->rsp_q_map) {
237 qla_printk(KERN_WARNING, ha,
238 "Unable to allocate memory for response queue ptrs\n");
239 goto fail_rsp_map;
240 }
241 set_bit(0, ha->rsp_qid_map);
242 set_bit(0, ha->req_qid_map);
243 return 1;
244
245 fail_rsp_map:
246 kfree(ha->req_q_map);
247 ha->req_q_map = NULL;
248 fail_req_map:
249 return -ENOMEM;
250 }
251
252 static void qla2x00_free_que(struct qla_hw_data *ha, struct req_que *req,
253 struct rsp_que *rsp)
254 {
255 if (rsp && rsp->ring)
256 dma_free_coherent(&ha->pdev->dev,
257 (rsp->length + 1) * sizeof(response_t),
258 rsp->ring, rsp->dma);
259
260 kfree(rsp);
261 rsp = NULL;
262 if (req && req->ring)
263 dma_free_coherent(&ha->pdev->dev,
264 (req->length + 1) * sizeof(request_t),
265 req->ring, req->dma);
266
267 kfree(req);
268 req = NULL;
269 }
270
271 static void qla2x00_free_queues(struct qla_hw_data *ha)
272 {
273 struct req_que *req;
274 struct rsp_que *rsp;
275 int cnt;
276
277 for (cnt = 0; cnt < ha->max_queues; cnt++) {
278 rsp = ha->rsp_q_map[cnt];
279 req = ha->req_q_map[cnt];
280 qla2x00_free_que(ha, req, rsp);
281 }
282 kfree(ha->rsp_q_map);
283 ha->rsp_q_map = NULL;
284
285 kfree(ha->req_q_map);
286 ha->req_q_map = NULL;
287 }
288
289 static char *
290 qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
291 {
292 struct qla_hw_data *ha = vha->hw;
293 static char *pci_bus_modes[] = {
294 "33", "66", "100", "133",
295 };
296 uint16_t pci_bus;
297
298 strcpy(str, "PCI");
299 pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
300 if (pci_bus) {
301 strcat(str, "-X (");
302 strcat(str, pci_bus_modes[pci_bus]);
303 } else {
304 pci_bus = (ha->pci_attr & BIT_8) >> 8;
305 strcat(str, " (");
306 strcat(str, pci_bus_modes[pci_bus]);
307 }
308 strcat(str, " MHz)");
309
310 return (str);
311 }
312
313 static char *
314 qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
315 {
316 static char *pci_bus_modes[] = { "33", "66", "100", "133", };
317 struct qla_hw_data *ha = vha->hw;
318 uint32_t pci_bus;
319 int pcie_reg;
320
321 pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
322 if (pcie_reg) {
323 char lwstr[6];
324 uint16_t pcie_lstat, lspeed, lwidth;
325
326 pcie_reg += 0x12;
327 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
328 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
329 lwidth = (pcie_lstat &
330 (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
331
332 strcpy(str, "PCIe (");
333 if (lspeed == 1)
334 strcat(str, "2.5GT/s ");
335 else if (lspeed == 2)
336 strcat(str, "5.0GT/s ");
337 else
338 strcat(str, "<unknown> ");
339 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
340 strcat(str, lwstr);
341
342 return str;
343 }
344
345 strcpy(str, "PCI");
346 pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
347 if (pci_bus == 0 || pci_bus == 8) {
348 strcat(str, " (");
349 strcat(str, pci_bus_modes[pci_bus >> 3]);
350 } else {
351 strcat(str, "-X ");
352 if (pci_bus & BIT_2)
353 strcat(str, "Mode 2");
354 else
355 strcat(str, "Mode 1");
356 strcat(str, " (");
357 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
358 }
359 strcat(str, " MHz)");
360
361 return str;
362 }
363
364 static char *
365 qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str)
366 {
367 char un_str[10];
368 struct qla_hw_data *ha = vha->hw;
369
370 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
371 ha->fw_minor_version,
372 ha->fw_subminor_version);
373
374 if (ha->fw_attributes & BIT_9) {
375 strcat(str, "FLX");
376 return (str);
377 }
378
379 switch (ha->fw_attributes & 0xFF) {
380 case 0x7:
381 strcat(str, "EF");
382 break;
383 case 0x17:
384 strcat(str, "TP");
385 break;
386 case 0x37:
387 strcat(str, "IP");
388 break;
389 case 0x77:
390 strcat(str, "VI");
391 break;
392 default:
393 sprintf(un_str, "(%x)", ha->fw_attributes);
394 strcat(str, un_str);
395 break;
396 }
397 if (ha->fw_attributes & 0x100)
398 strcat(str, "X");
399
400 return (str);
401 }
402
403 static char *
404 qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str)
405 {
406 struct qla_hw_data *ha = vha->hw;
407
408 sprintf(str, "%d.%02d.%02d (%x)", ha->fw_major_version,
409 ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
410 return str;
411 }
412
413 static inline srb_t *
414 qla2x00_get_new_sp(scsi_qla_host_t *vha, fc_port_t *fcport,
415 struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
416 {
417 srb_t *sp;
418 struct qla_hw_data *ha = vha->hw;
419
420 sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
421 if (!sp)
422 return sp;
423
424 sp->fcport = fcport;
425 sp->cmd = cmd;
426 sp->que = ha->req_q_map[0];
427 sp->flags = 0;
428 CMD_SP(cmd) = (void *)sp;
429 cmd->scsi_done = done;
430
431 return sp;
432 }
433
434 static int
435 qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
436 {
437 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
438 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
439 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
440 struct qla_hw_data *ha = vha->hw;
441 srb_t *sp;
442 int rval;
443
444 if (unlikely(pci_channel_offline(ha->pdev))) {
445 cmd->result = DID_REQUEUE << 16;
446 goto qc_fail_command;
447 }
448
449 rval = fc_remote_port_chkready(rport);
450 if (rval) {
451 cmd->result = rval;
452 goto qc_fail_command;
453 }
454
455 /* Close window on fcport/rport state-transitioning. */
456 if (fcport->drport)
457 goto qc_target_busy;
458
459 if (atomic_read(&fcport->state) != FCS_ONLINE) {
460 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
461 atomic_read(&vha->loop_state) == LOOP_DEAD) {
462 cmd->result = DID_NO_CONNECT << 16;
463 goto qc_fail_command;
464 }
465 goto qc_target_busy;
466 }
467
468 spin_unlock_irq(vha->host->host_lock);
469
470 sp = qla2x00_get_new_sp(vha, fcport, cmd, done);
471 if (!sp)
472 goto qc_host_busy_lock;
473
474 rval = ha->isp_ops->start_scsi(sp);
475 if (rval != QLA_SUCCESS)
476 goto qc_host_busy_free_sp;
477
478 spin_lock_irq(vha->host->host_lock);
479
480 return 0;
481
482 qc_host_busy_free_sp:
483 qla2x00_sp_free_dma(sp);
484 mempool_free(sp, ha->srb_mempool);
485
486 qc_host_busy_lock:
487 spin_lock_irq(vha->host->host_lock);
488 return SCSI_MLQUEUE_HOST_BUSY;
489
490 qc_target_busy:
491 return SCSI_MLQUEUE_TARGET_BUSY;
492
493 qc_fail_command:
494 done(cmd);
495
496 return 0;
497 }
498
499
500 static int
501 qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
502 {
503 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
504 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
505 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
506 struct qla_hw_data *ha = vha->hw;
507 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
508 srb_t *sp;
509 int rval;
510
511 if (unlikely(pci_channel_offline(ha->pdev))) {
512 cmd->result = DID_REQUEUE << 16;
513 goto qc24_fail_command;
514 }
515
516 rval = fc_remote_port_chkready(rport);
517 if (rval) {
518 cmd->result = rval;
519 goto qc24_fail_command;
520 }
521
522 /* Close window on fcport/rport state-transitioning. */
523 if (fcport->drport)
524 goto qc24_target_busy;
525
526 if (atomic_read(&fcport->state) != FCS_ONLINE) {
527 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
528 atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
529 cmd->result = DID_NO_CONNECT << 16;
530 goto qc24_fail_command;
531 }
532 goto qc24_target_busy;
533 }
534
535 spin_unlock_irq(vha->host->host_lock);
536
537 sp = qla2x00_get_new_sp(base_vha, fcport, cmd, done);
538 if (!sp)
539 goto qc24_host_busy_lock;
540
541 rval = ha->isp_ops->start_scsi(sp);
542 if (rval != QLA_SUCCESS)
543 goto qc24_host_busy_free_sp;
544
545 spin_lock_irq(vha->host->host_lock);
546
547 return 0;
548
549 qc24_host_busy_free_sp:
550 qla2x00_sp_free_dma(sp);
551 mempool_free(sp, ha->srb_mempool);
552
553 qc24_host_busy_lock:
554 spin_lock_irq(vha->host->host_lock);
555 return SCSI_MLQUEUE_HOST_BUSY;
556
557 qc24_target_busy:
558 return SCSI_MLQUEUE_TARGET_BUSY;
559
560 qc24_fail_command:
561 done(cmd);
562
563 return 0;
564 }
565
566
567 /*
568 * qla2x00_eh_wait_on_command
569 * Waits for the command to be returned by the Firmware for some
570 * max time.
571 *
572 * Input:
573 * cmd = Scsi Command to wait on.
574 *
575 * Return:
576 * Not Found : 0
577 * Found : 1
578 */
579 static int
580 qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
581 {
582 #define ABORT_POLLING_PERIOD 1000
583 #define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
584 unsigned long wait_iter = ABORT_WAIT_ITER;
585 int ret = QLA_SUCCESS;
586
587 while (CMD_SP(cmd)) {
588 msleep(ABORT_POLLING_PERIOD);
589
590 if (--wait_iter)
591 break;
592 }
593 if (CMD_SP(cmd))
594 ret = QLA_FUNCTION_FAILED;
595
596 return ret;
597 }
598
599 /*
600 * qla2x00_wait_for_hba_online
601 * Wait till the HBA is online after going through
602 * <= MAX_RETRIES_OF_ISP_ABORT or
603 * finally HBA is disabled ie marked offline
604 *
605 * Input:
606 * ha - pointer to host adapter structure
607 *
608 * Note:
609 * Does context switching-Release SPIN_LOCK
610 * (if any) before calling this routine.
611 *
612 * Return:
613 * Success (Adapter is online) : 0
614 * Failed (Adapter is offline/disabled) : 1
615 */
616 int
617 qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
618 {
619 int return_status;
620 unsigned long wait_online;
621 struct qla_hw_data *ha = vha->hw;
622 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
623
624 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
625 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
626 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
627 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
628 ha->dpc_active) && time_before(jiffies, wait_online)) {
629
630 msleep(1000);
631 }
632 if (base_vha->flags.online)
633 return_status = QLA_SUCCESS;
634 else
635 return_status = QLA_FUNCTION_FAILED;
636
637 return (return_status);
638 }
639
640 /*
641 * qla2x00_wait_for_loop_ready
642 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
643 * to be in LOOP_READY state.
644 * Input:
645 * ha - pointer to host adapter structure
646 *
647 * Note:
648 * Does context switching-Release SPIN_LOCK
649 * (if any) before calling this routine.
650 *
651 *
652 * Return:
653 * Success (LOOP_READY) : 0
654 * Failed (LOOP_NOT_READY) : 1
655 */
656 static inline int
657 qla2x00_wait_for_loop_ready(scsi_qla_host_t *vha)
658 {
659 int return_status = QLA_SUCCESS;
660 unsigned long loop_timeout ;
661 struct qla_hw_data *ha = vha->hw;
662 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
663
664 /* wait for 5 min at the max for loop to be ready */
665 loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
666
667 while ((!atomic_read(&base_vha->loop_down_timer) &&
668 atomic_read(&base_vha->loop_state) == LOOP_DOWN) ||
669 atomic_read(&base_vha->loop_state) != LOOP_READY) {
670 if (atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
671 return_status = QLA_FUNCTION_FAILED;
672 break;
673 }
674 msleep(1000);
675 if (time_after_eq(jiffies, loop_timeout)) {
676 return_status = QLA_FUNCTION_FAILED;
677 break;
678 }
679 }
680 return (return_status);
681 }
682
683 void
684 qla2x00_abort_fcport_cmds(fc_port_t *fcport)
685 {
686 int cnt, que, id;
687 unsigned long flags;
688 srb_t *sp;
689 scsi_qla_host_t *vha = fcport->vha;
690 struct qla_hw_data *ha = vha->hw;
691 struct req_que *req;
692
693 spin_lock_irqsave(&ha->hardware_lock, flags);
694 for (que = 0; que < QLA_MAX_HOST_QUES; que++) {
695 id = vha->req_ques[que];
696 req = ha->req_q_map[id];
697 if (!req)
698 continue;
699 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
700 sp = req->outstanding_cmds[cnt];
701 if (!sp)
702 continue;
703 if (sp->fcport != fcport)
704 continue;
705
706 spin_unlock_irqrestore(&ha->hardware_lock, flags);
707 if (ha->isp_ops->abort_command(vha, sp, req)) {
708 DEBUG2(qla_printk(KERN_WARNING, ha,
709 "Abort failed -- %lx\n",
710 sp->cmd->serial_number));
711 } else {
712 if (qla2x00_eh_wait_on_command(sp->cmd) !=
713 QLA_SUCCESS)
714 DEBUG2(qla_printk(KERN_WARNING, ha,
715 "Abort failed while waiting -- %lx\n",
716 sp->cmd->serial_number));
717 }
718 spin_lock_irqsave(&ha->hardware_lock, flags);
719 }
720 }
721 spin_unlock_irqrestore(&ha->hardware_lock, flags);
722 }
723
724 static void
725 qla2x00_block_error_handler(struct scsi_cmnd *cmnd)
726 {
727 struct Scsi_Host *shost = cmnd->device->host;
728 struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device));
729 unsigned long flags;
730
731 spin_lock_irqsave(shost->host_lock, flags);
732 while (rport->port_state == FC_PORTSTATE_BLOCKED) {
733 spin_unlock_irqrestore(shost->host_lock, flags);
734 msleep(1000);
735 spin_lock_irqsave(shost->host_lock, flags);
736 }
737 spin_unlock_irqrestore(shost->host_lock, flags);
738 return;
739 }
740
741 /**************************************************************************
742 * qla2xxx_eh_abort
743 *
744 * Description:
745 * The abort function will abort the specified command.
746 *
747 * Input:
748 * cmd = Linux SCSI command packet to be aborted.
749 *
750 * Returns:
751 * Either SUCCESS or FAILED.
752 *
753 * Note:
754 * Only return FAILED if command not returned by firmware.
755 **************************************************************************/
756 static int
757 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
758 {
759 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
760 srb_t *sp;
761 int ret, i;
762 unsigned int id, lun;
763 unsigned long serial;
764 unsigned long flags;
765 int wait = 0;
766 struct qla_hw_data *ha = vha->hw;
767 struct req_que *req;
768 srb_t *spt;
769
770 qla2x00_block_error_handler(cmd);
771
772 if (!CMD_SP(cmd))
773 return SUCCESS;
774
775 ret = SUCCESS;
776
777 id = cmd->device->id;
778 lun = cmd->device->lun;
779 serial = cmd->serial_number;
780 spt = (srb_t *) CMD_SP(cmd);
781 if (!spt)
782 return SUCCESS;
783 req = spt->que;
784
785 /* Check active list for command command. */
786 spin_lock_irqsave(&ha->hardware_lock, flags);
787 for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
788 sp = req->outstanding_cmds[i];
789
790 if (sp == NULL)
791 continue;
792
793 if (sp->cmd != cmd)
794 continue;
795
796 DEBUG2(printk("%s(%ld): aborting sp %p from RISC."
797 " pid=%ld.\n", __func__, vha->host_no, sp, serial));
798
799 spin_unlock_irqrestore(&ha->hardware_lock, flags);
800 if (ha->isp_ops->abort_command(vha, sp, req)) {
801 DEBUG2(printk("%s(%ld): abort_command "
802 "mbx failed.\n", __func__, vha->host_no));
803 } else {
804 DEBUG3(printk("%s(%ld): abort_command "
805 "mbx success.\n", __func__, vha->host_no));
806 wait = 1;
807 }
808 spin_lock_irqsave(&ha->hardware_lock, flags);
809 break;
810 }
811 spin_unlock_irqrestore(&ha->hardware_lock, flags);
812
813 /* Wait for the command to be returned. */
814 if (wait) {
815 if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
816 qla_printk(KERN_ERR, ha,
817 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
818 "%x.\n", vha->host_no, id, lun, serial, ret);
819 ret = FAILED;
820 }
821 }
822
823 qla_printk(KERN_INFO, ha,
824 "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
825 vha->host_no, id, lun, wait, serial, ret);
826
827 return ret;
828 }
829
830 enum nexus_wait_type {
831 WAIT_HOST = 0,
832 WAIT_TARGET,
833 WAIT_LUN,
834 };
835
836 static int
837 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
838 unsigned int l, srb_t *sp, enum nexus_wait_type type)
839 {
840 int cnt, match, status;
841 unsigned long flags;
842 struct qla_hw_data *ha = vha->hw;
843 struct req_que *req;
844
845 status = QLA_SUCCESS;
846 if (!sp)
847 return status;
848
849 spin_lock_irqsave(&ha->hardware_lock, flags);
850 req = sp->que;
851 for (cnt = 1; status == QLA_SUCCESS &&
852 cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
853 sp = req->outstanding_cmds[cnt];
854 if (!sp)
855 continue;
856
857 if (vha->vp_idx != sp->fcport->vha->vp_idx)
858 continue;
859 match = 0;
860 switch (type) {
861 case WAIT_HOST:
862 match = 1;
863 break;
864 case WAIT_TARGET:
865 match = sp->cmd->device->id == t;
866 break;
867 case WAIT_LUN:
868 match = (sp->cmd->device->id == t &&
869 sp->cmd->device->lun == l);
870 break;
871 }
872 if (!match)
873 continue;
874
875 spin_unlock_irqrestore(&ha->hardware_lock, flags);
876 status = qla2x00_eh_wait_on_command(sp->cmd);
877 spin_lock_irqsave(&ha->hardware_lock, flags);
878 }
879 spin_unlock_irqrestore(&ha->hardware_lock, flags);
880
881 return status;
882 }
883
884 static char *reset_errors[] = {
885 "HBA not online",
886 "HBA not ready",
887 "Task management failed",
888 "Waiting for command completions",
889 };
890
891 static int
892 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
893 struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int))
894 {
895 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
896 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
897 int err;
898
899 qla2x00_block_error_handler(cmd);
900
901 if (!fcport)
902 return FAILED;
903
904 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET ISSUED.\n",
905 vha->host_no, cmd->device->id, cmd->device->lun, name);
906
907 err = 0;
908 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
909 goto eh_reset_failed;
910 err = 1;
911 if (qla2x00_wait_for_loop_ready(vha) != QLA_SUCCESS)
912 goto eh_reset_failed;
913 err = 2;
914 if (do_reset(fcport, cmd->device->lun) != QLA_SUCCESS)
915 goto eh_reset_failed;
916 err = 3;
917 if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
918 cmd->device->lun, (srb_t *) CMD_SP(cmd), type) != QLA_SUCCESS)
919 goto eh_reset_failed;
920
921 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n",
922 vha->host_no, cmd->device->id, cmd->device->lun, name);
923
924 return SUCCESS;
925
926 eh_reset_failed:
927 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n"
928 , vha->host_no, cmd->device->id, cmd->device->lun, name,
929 reset_errors[err]);
930 return FAILED;
931 }
932
933 static int
934 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
935 {
936 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
937 struct qla_hw_data *ha = vha->hw;
938
939 return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
940 ha->isp_ops->lun_reset);
941 }
942
943 static int
944 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
945 {
946 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
947 struct qla_hw_data *ha = vha->hw;
948
949 return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
950 ha->isp_ops->target_reset);
951 }
952
953 /**************************************************************************
954 * qla2xxx_eh_bus_reset
955 *
956 * Description:
957 * The bus reset function will reset the bus and abort any executing
958 * commands.
959 *
960 * Input:
961 * cmd = Linux SCSI command packet of the command that cause the
962 * bus reset.
963 *
964 * Returns:
965 * SUCCESS/FAILURE (defined as macro in scsi.h).
966 *
967 **************************************************************************/
968 static int
969 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
970 {
971 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
972 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
973 int ret = FAILED;
974 unsigned int id, lun;
975 unsigned long serial;
976 srb_t *sp = (srb_t *) CMD_SP(cmd);
977
978 qla2x00_block_error_handler(cmd);
979
980 id = cmd->device->id;
981 lun = cmd->device->lun;
982 serial = cmd->serial_number;
983
984 if (!fcport)
985 return ret;
986
987 qla_printk(KERN_INFO, vha->hw,
988 "scsi(%ld:%d:%d): BUS RESET ISSUED.\n", vha->host_no, id, lun);
989
990 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
991 DEBUG2(printk("%s failed:board disabled\n",__func__));
992 goto eh_bus_reset_done;
993 }
994
995 if (qla2x00_wait_for_loop_ready(vha) == QLA_SUCCESS) {
996 if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
997 ret = SUCCESS;
998 }
999 if (ret == FAILED)
1000 goto eh_bus_reset_done;
1001
1002 /* Flush outstanding commands. */
1003 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) !=
1004 QLA_SUCCESS)
1005 ret = FAILED;
1006
1007 eh_bus_reset_done:
1008 qla_printk(KERN_INFO, vha->hw, "%s: reset %s\n", __func__,
1009 (ret == FAILED) ? "failed" : "succeded");
1010
1011 return ret;
1012 }
1013
1014 /**************************************************************************
1015 * qla2xxx_eh_host_reset
1016 *
1017 * Description:
1018 * The reset function will reset the Adapter.
1019 *
1020 * Input:
1021 * cmd = Linux SCSI command packet of the command that cause the
1022 * adapter reset.
1023 *
1024 * Returns:
1025 * Either SUCCESS or FAILED.
1026 *
1027 * Note:
1028 **************************************************************************/
1029 static int
1030 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1031 {
1032 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1033 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1034 struct qla_hw_data *ha = vha->hw;
1035 int ret = FAILED;
1036 unsigned int id, lun;
1037 unsigned long serial;
1038 srb_t *sp = (srb_t *) CMD_SP(cmd);
1039 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1040
1041 qla2x00_block_error_handler(cmd);
1042
1043 id = cmd->device->id;
1044 lun = cmd->device->lun;
1045 serial = cmd->serial_number;
1046
1047 if (!fcport)
1048 return ret;
1049
1050 qla_printk(KERN_INFO, ha,
1051 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", vha->host_no, id, lun);
1052
1053 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
1054 goto eh_host_reset_lock;
1055
1056 /*
1057 * Fixme-may be dpc thread is active and processing
1058 * loop_resync,so wait a while for it to
1059 * be completed and then issue big hammer.Otherwise
1060 * it may cause I/O failure as big hammer marks the
1061 * devices as lost kicking of the port_down_timer
1062 * while dpc is stuck for the mailbox to complete.
1063 */
1064 qla2x00_wait_for_loop_ready(vha);
1065 if (vha != base_vha) {
1066 if (qla2x00_vp_abort_isp(vha))
1067 goto eh_host_reset_lock;
1068 } else {
1069 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1070 if (qla2x00_abort_isp(base_vha)) {
1071 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1072 /* failed. schedule dpc to try */
1073 set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1074
1075 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
1076 goto eh_host_reset_lock;
1077 }
1078 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1079 }
1080
1081 /* Waiting for command to be returned to OS.*/
1082 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) ==
1083 QLA_SUCCESS)
1084 ret = SUCCESS;
1085
1086 eh_host_reset_lock:
1087 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1088 (ret == FAILED) ? "failed" : "succeded");
1089
1090 return ret;
1091 }
1092
1093 /*
1094 * qla2x00_loop_reset
1095 * Issue loop reset.
1096 *
1097 * Input:
1098 * ha = adapter block pointer.
1099 *
1100 * Returns:
1101 * 0 = success
1102 */
1103 int
1104 qla2x00_loop_reset(scsi_qla_host_t *vha)
1105 {
1106 int ret;
1107 struct fc_port *fcport;
1108 struct qla_hw_data *ha = vha->hw;
1109
1110 if (ha->flags.enable_lip_full_login && !vha->vp_idx) {
1111 ret = qla2x00_full_login_lip(vha);
1112 if (ret != QLA_SUCCESS) {
1113 DEBUG2_3(printk("%s(%ld): failed: "
1114 "full_login_lip=%d.\n", __func__, vha->host_no,
1115 ret));
1116 }
1117 atomic_set(&vha->loop_state, LOOP_DOWN);
1118 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1119 qla2x00_mark_all_devices_lost(vha, 0);
1120 qla2x00_wait_for_loop_ready(vha);
1121 }
1122
1123 if (ha->flags.enable_lip_reset && !vha->vp_idx) {
1124 ret = qla2x00_lip_reset(vha);
1125 if (ret != QLA_SUCCESS) {
1126 DEBUG2_3(printk("%s(%ld): failed: "
1127 "lip_reset=%d.\n", __func__, vha->host_no, ret));
1128 } else
1129 qla2x00_wait_for_loop_ready(vha);
1130 }
1131
1132 if (ha->flags.enable_target_reset) {
1133 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1134 if (fcport->port_type != FCT_TARGET)
1135 continue;
1136
1137 ret = ha->isp_ops->target_reset(fcport, 0);
1138 if (ret != QLA_SUCCESS) {
1139 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1140 "target_reset=%d d_id=%x.\n", __func__,
1141 vha->host_no, ret, fcport->d_id.b24));
1142 }
1143 }
1144 }
1145 /* Issue marker command only when we are going to start the I/O */
1146 vha->marker_needed = 1;
1147
1148 return QLA_SUCCESS;
1149 }
1150
1151 void
1152 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1153 {
1154 int que, cnt;
1155 unsigned long flags;
1156 srb_t *sp;
1157 struct qla_hw_data *ha = vha->hw;
1158 struct req_que *req;
1159
1160 spin_lock_irqsave(&ha->hardware_lock, flags);
1161 for (que = 0; que < QLA_MAX_HOST_QUES; que++) {
1162 req = ha->req_q_map[vha->req_ques[que]];
1163 if (!req)
1164 continue;
1165 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1166 sp = req->outstanding_cmds[cnt];
1167 if (sp && sp->fcport->vha == vha) {
1168 req->outstanding_cmds[cnt] = NULL;
1169 sp->cmd->result = res;
1170 qla2x00_sp_compl(ha, sp);
1171 }
1172 }
1173 }
1174 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1175 }
1176
1177 static int
1178 qla2xxx_slave_alloc(struct scsi_device *sdev)
1179 {
1180 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1181
1182 if (!rport || fc_remote_port_chkready(rport))
1183 return -ENXIO;
1184
1185 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1186
1187 return 0;
1188 }
1189
1190 static int
1191 qla2xxx_slave_configure(struct scsi_device *sdev)
1192 {
1193 scsi_qla_host_t *vha = shost_priv(sdev->host);
1194 struct qla_hw_data *ha = vha->hw;
1195 struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1196 struct req_que *req = ha->req_q_map[0];
1197
1198 if (sdev->tagged_supported)
1199 scsi_activate_tcq(sdev, req->max_q_depth);
1200 else
1201 scsi_deactivate_tcq(sdev, req->max_q_depth);
1202
1203 rport->dev_loss_tmo = ha->port_down_retry_count;
1204
1205 return 0;
1206 }
1207
1208 static void
1209 qla2xxx_slave_destroy(struct scsi_device *sdev)
1210 {
1211 sdev->hostdata = NULL;
1212 }
1213
1214 static int
1215 qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
1216 {
1217 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1218 return sdev->queue_depth;
1219 }
1220
1221 static int
1222 qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1223 {
1224 if (sdev->tagged_supported) {
1225 scsi_set_tag_type(sdev, tag_type);
1226 if (tag_type)
1227 scsi_activate_tcq(sdev, sdev->queue_depth);
1228 else
1229 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1230 } else
1231 tag_type = 0;
1232
1233 return tag_type;
1234 }
1235
1236 /**
1237 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1238 * @ha: HA context
1239 *
1240 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1241 * supported addressing method.
1242 */
1243 static void
1244 qla2x00_config_dma_addressing(scsi_qla_host_t *vha)
1245 {
1246 struct qla_hw_data *ha = vha->hw;
1247 /* Assume a 32bit DMA mask. */
1248 ha->flags.enable_64bit_addressing = 0;
1249
1250 if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) {
1251 /* Any upper-dword bits set? */
1252 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1253 !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) {
1254 /* Ok, a 64bit DMA mask is applicable. */
1255 ha->flags.enable_64bit_addressing = 1;
1256 ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1257 ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1258 return;
1259 }
1260 }
1261
1262 dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK);
1263 pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK);
1264 }
1265
1266 static void
1267 qla2x00_enable_intrs(struct qla_hw_data *ha)
1268 {
1269 unsigned long flags = 0;
1270 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1271
1272 spin_lock_irqsave(&ha->hardware_lock, flags);
1273 ha->interrupts_on = 1;
1274 /* enable risc and host interrupts */
1275 WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1276 RD_REG_WORD(&reg->ictrl);
1277 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1278
1279 }
1280
1281 static void
1282 qla2x00_disable_intrs(struct qla_hw_data *ha)
1283 {
1284 unsigned long flags = 0;
1285 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1286
1287 spin_lock_irqsave(&ha->hardware_lock, flags);
1288 ha->interrupts_on = 0;
1289 /* disable risc and host interrupts */
1290 WRT_REG_WORD(&reg->ictrl, 0);
1291 RD_REG_WORD(&reg->ictrl);
1292 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1293 }
1294
1295 static void
1296 qla24xx_enable_intrs(struct qla_hw_data *ha)
1297 {
1298 unsigned long flags = 0;
1299 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1300
1301 spin_lock_irqsave(&ha->hardware_lock, flags);
1302 ha->interrupts_on = 1;
1303 WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1304 RD_REG_DWORD(&reg->ictrl);
1305 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1306 }
1307
1308 static void
1309 qla24xx_disable_intrs(struct qla_hw_data *ha)
1310 {
1311 unsigned long flags = 0;
1312 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1313
1314 if (IS_NOPOLLING_TYPE(ha))
1315 return;
1316 spin_lock_irqsave(&ha->hardware_lock, flags);
1317 ha->interrupts_on = 0;
1318 WRT_REG_DWORD(&reg->ictrl, 0);
1319 RD_REG_DWORD(&reg->ictrl);
1320 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1321 }
1322
1323 static struct isp_operations qla2100_isp_ops = {
1324 .pci_config = qla2100_pci_config,
1325 .reset_chip = qla2x00_reset_chip,
1326 .chip_diag = qla2x00_chip_diag,
1327 .config_rings = qla2x00_config_rings,
1328 .reset_adapter = qla2x00_reset_adapter,
1329 .nvram_config = qla2x00_nvram_config,
1330 .update_fw_options = qla2x00_update_fw_options,
1331 .load_risc = qla2x00_load_risc,
1332 .pci_info_str = qla2x00_pci_info_str,
1333 .fw_version_str = qla2x00_fw_version_str,
1334 .intr_handler = qla2100_intr_handler,
1335 .enable_intrs = qla2x00_enable_intrs,
1336 .disable_intrs = qla2x00_disable_intrs,
1337 .abort_command = qla2x00_abort_command,
1338 .target_reset = qla2x00_abort_target,
1339 .lun_reset = qla2x00_lun_reset,
1340 .fabric_login = qla2x00_login_fabric,
1341 .fabric_logout = qla2x00_fabric_logout,
1342 .calc_req_entries = qla2x00_calc_iocbs_32,
1343 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1344 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1345 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1346 .read_nvram = qla2x00_read_nvram_data,
1347 .write_nvram = qla2x00_write_nvram_data,
1348 .fw_dump = qla2100_fw_dump,
1349 .beacon_on = NULL,
1350 .beacon_off = NULL,
1351 .beacon_blink = NULL,
1352 .read_optrom = qla2x00_read_optrom_data,
1353 .write_optrom = qla2x00_write_optrom_data,
1354 .get_flash_version = qla2x00_get_flash_version,
1355 .start_scsi = qla2x00_start_scsi,
1356 .wrt_req_reg = NULL,
1357 .wrt_rsp_reg = NULL,
1358 .rd_req_reg = NULL,
1359 };
1360
1361 static struct isp_operations qla2300_isp_ops = {
1362 .pci_config = qla2300_pci_config,
1363 .reset_chip = qla2x00_reset_chip,
1364 .chip_diag = qla2x00_chip_diag,
1365 .config_rings = qla2x00_config_rings,
1366 .reset_adapter = qla2x00_reset_adapter,
1367 .nvram_config = qla2x00_nvram_config,
1368 .update_fw_options = qla2x00_update_fw_options,
1369 .load_risc = qla2x00_load_risc,
1370 .pci_info_str = qla2x00_pci_info_str,
1371 .fw_version_str = qla2x00_fw_version_str,
1372 .intr_handler = qla2300_intr_handler,
1373 .enable_intrs = qla2x00_enable_intrs,
1374 .disable_intrs = qla2x00_disable_intrs,
1375 .abort_command = qla2x00_abort_command,
1376 .target_reset = qla2x00_abort_target,
1377 .lun_reset = qla2x00_lun_reset,
1378 .fabric_login = qla2x00_login_fabric,
1379 .fabric_logout = qla2x00_fabric_logout,
1380 .calc_req_entries = qla2x00_calc_iocbs_32,
1381 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1382 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1383 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1384 .read_nvram = qla2x00_read_nvram_data,
1385 .write_nvram = qla2x00_write_nvram_data,
1386 .fw_dump = qla2300_fw_dump,
1387 .beacon_on = qla2x00_beacon_on,
1388 .beacon_off = qla2x00_beacon_off,
1389 .beacon_blink = qla2x00_beacon_blink,
1390 .read_optrom = qla2x00_read_optrom_data,
1391 .write_optrom = qla2x00_write_optrom_data,
1392 .get_flash_version = qla2x00_get_flash_version,
1393 .start_scsi = qla2x00_start_scsi,
1394 .wrt_req_reg = NULL,
1395 .wrt_rsp_reg = NULL,
1396 .rd_req_reg = NULL,
1397 };
1398
1399 static struct isp_operations qla24xx_isp_ops = {
1400 .pci_config = qla24xx_pci_config,
1401 .reset_chip = qla24xx_reset_chip,
1402 .chip_diag = qla24xx_chip_diag,
1403 .config_rings = qla24xx_config_rings,
1404 .reset_adapter = qla24xx_reset_adapter,
1405 .nvram_config = qla24xx_nvram_config,
1406 .update_fw_options = qla24xx_update_fw_options,
1407 .load_risc = qla24xx_load_risc,
1408 .pci_info_str = qla24xx_pci_info_str,
1409 .fw_version_str = qla24xx_fw_version_str,
1410 .intr_handler = qla24xx_intr_handler,
1411 .enable_intrs = qla24xx_enable_intrs,
1412 .disable_intrs = qla24xx_disable_intrs,
1413 .abort_command = qla24xx_abort_command,
1414 .target_reset = qla24xx_abort_target,
1415 .lun_reset = qla24xx_lun_reset,
1416 .fabric_login = qla24xx_login_fabric,
1417 .fabric_logout = qla24xx_fabric_logout,
1418 .calc_req_entries = NULL,
1419 .build_iocbs = NULL,
1420 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1421 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1422 .read_nvram = qla24xx_read_nvram_data,
1423 .write_nvram = qla24xx_write_nvram_data,
1424 .fw_dump = qla24xx_fw_dump,
1425 .beacon_on = qla24xx_beacon_on,
1426 .beacon_off = qla24xx_beacon_off,
1427 .beacon_blink = qla24xx_beacon_blink,
1428 .read_optrom = qla24xx_read_optrom_data,
1429 .write_optrom = qla24xx_write_optrom_data,
1430 .get_flash_version = qla24xx_get_flash_version,
1431 .start_scsi = qla24xx_start_scsi,
1432 .wrt_req_reg = qla24xx_wrt_req_reg,
1433 .wrt_rsp_reg = qla24xx_wrt_rsp_reg,
1434 .rd_req_reg = qla24xx_rd_req_reg,
1435 };
1436
1437 static struct isp_operations qla25xx_isp_ops = {
1438 .pci_config = qla25xx_pci_config,
1439 .reset_chip = qla24xx_reset_chip,
1440 .chip_diag = qla24xx_chip_diag,
1441 .config_rings = qla24xx_config_rings,
1442 .reset_adapter = qla24xx_reset_adapter,
1443 .nvram_config = qla24xx_nvram_config,
1444 .update_fw_options = qla24xx_update_fw_options,
1445 .load_risc = qla24xx_load_risc,
1446 .pci_info_str = qla24xx_pci_info_str,
1447 .fw_version_str = qla24xx_fw_version_str,
1448 .intr_handler = qla24xx_intr_handler,
1449 .enable_intrs = qla24xx_enable_intrs,
1450 .disable_intrs = qla24xx_disable_intrs,
1451 .abort_command = qla24xx_abort_command,
1452 .target_reset = qla24xx_abort_target,
1453 .lun_reset = qla24xx_lun_reset,
1454 .fabric_login = qla24xx_login_fabric,
1455 .fabric_logout = qla24xx_fabric_logout,
1456 .calc_req_entries = NULL,
1457 .build_iocbs = NULL,
1458 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1459 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1460 .read_nvram = qla25xx_read_nvram_data,
1461 .write_nvram = qla25xx_write_nvram_data,
1462 .fw_dump = qla25xx_fw_dump,
1463 .beacon_on = qla24xx_beacon_on,
1464 .beacon_off = qla24xx_beacon_off,
1465 .beacon_blink = qla24xx_beacon_blink,
1466 .read_optrom = qla25xx_read_optrom_data,
1467 .write_optrom = qla24xx_write_optrom_data,
1468 .get_flash_version = qla24xx_get_flash_version,
1469 .start_scsi = qla24xx_start_scsi,
1470 .wrt_req_reg = qla24xx_wrt_req_reg,
1471 .wrt_rsp_reg = qla24xx_wrt_rsp_reg,
1472 .rd_req_reg = qla24xx_rd_req_reg,
1473 };
1474
1475 static struct isp_operations qla81xx_isp_ops = {
1476 .pci_config = qla25xx_pci_config,
1477 .reset_chip = qla24xx_reset_chip,
1478 .chip_diag = qla24xx_chip_diag,
1479 .config_rings = qla24xx_config_rings,
1480 .reset_adapter = qla24xx_reset_adapter,
1481 .nvram_config = qla81xx_nvram_config,
1482 .update_fw_options = qla81xx_update_fw_options,
1483 .load_risc = qla24xx_load_risc,
1484 .pci_info_str = qla24xx_pci_info_str,
1485 .fw_version_str = qla24xx_fw_version_str,
1486 .intr_handler = qla24xx_intr_handler,
1487 .enable_intrs = qla24xx_enable_intrs,
1488 .disable_intrs = qla24xx_disable_intrs,
1489 .abort_command = qla24xx_abort_command,
1490 .target_reset = qla24xx_abort_target,
1491 .lun_reset = qla24xx_lun_reset,
1492 .fabric_login = qla24xx_login_fabric,
1493 .fabric_logout = qla24xx_fabric_logout,
1494 .calc_req_entries = NULL,
1495 .build_iocbs = NULL,
1496 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1497 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1498 .read_nvram = qla25xx_read_nvram_data,
1499 .write_nvram = qla25xx_write_nvram_data,
1500 .fw_dump = qla81xx_fw_dump,
1501 .beacon_on = qla24xx_beacon_on,
1502 .beacon_off = qla24xx_beacon_off,
1503 .beacon_blink = qla24xx_beacon_blink,
1504 .read_optrom = qla25xx_read_optrom_data,
1505 .write_optrom = qla24xx_write_optrom_data,
1506 .get_flash_version = qla24xx_get_flash_version,
1507 .start_scsi = qla24xx_start_scsi,
1508 .wrt_req_reg = qla24xx_wrt_req_reg,
1509 .wrt_rsp_reg = qla24xx_wrt_rsp_reg,
1510 .rd_req_reg = qla24xx_rd_req_reg,
1511 };
1512
1513 static inline void
1514 qla2x00_set_isp_flags(struct qla_hw_data *ha)
1515 {
1516 ha->device_type = DT_EXTENDED_IDS;
1517 switch (ha->pdev->device) {
1518 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1519 ha->device_type |= DT_ISP2100;
1520 ha->device_type &= ~DT_EXTENDED_IDS;
1521 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1522 break;
1523 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1524 ha->device_type |= DT_ISP2200;
1525 ha->device_type &= ~DT_EXTENDED_IDS;
1526 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1527 break;
1528 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1529 ha->device_type |= DT_ISP2300;
1530 ha->device_type |= DT_ZIO_SUPPORTED;
1531 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1532 break;
1533 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1534 ha->device_type |= DT_ISP2312;
1535 ha->device_type |= DT_ZIO_SUPPORTED;
1536 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1537 break;
1538 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1539 ha->device_type |= DT_ISP2322;
1540 ha->device_type |= DT_ZIO_SUPPORTED;
1541 if (ha->pdev->subsystem_vendor == 0x1028 &&
1542 ha->pdev->subsystem_device == 0x0170)
1543 ha->device_type |= DT_OEM_001;
1544 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1545 break;
1546 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1547 ha->device_type |= DT_ISP6312;
1548 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1549 break;
1550 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1551 ha->device_type |= DT_ISP6322;
1552 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1553 break;
1554 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1555 ha->device_type |= DT_ISP2422;
1556 ha->device_type |= DT_ZIO_SUPPORTED;
1557 ha->device_type |= DT_FWI2;
1558 ha->device_type |= DT_IIDMA;
1559 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1560 break;
1561 case PCI_DEVICE_ID_QLOGIC_ISP2432:
1562 ha->device_type |= DT_ISP2432;
1563 ha->device_type |= DT_ZIO_SUPPORTED;
1564 ha->device_type |= DT_FWI2;
1565 ha->device_type |= DT_IIDMA;
1566 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1567 break;
1568 case PCI_DEVICE_ID_QLOGIC_ISP8432:
1569 ha->device_type |= DT_ISP8432;
1570 ha->device_type |= DT_ZIO_SUPPORTED;
1571 ha->device_type |= DT_FWI2;
1572 ha->device_type |= DT_IIDMA;
1573 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1574 break;
1575 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1576 ha->device_type |= DT_ISP5422;
1577 ha->device_type |= DT_FWI2;
1578 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1579 break;
1580 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1581 ha->device_type |= DT_ISP5432;
1582 ha->device_type |= DT_FWI2;
1583 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1584 break;
1585 case PCI_DEVICE_ID_QLOGIC_ISP2532:
1586 ha->device_type |= DT_ISP2532;
1587 ha->device_type |= DT_ZIO_SUPPORTED;
1588 ha->device_type |= DT_FWI2;
1589 ha->device_type |= DT_IIDMA;
1590 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1591 break;
1592 case PCI_DEVICE_ID_QLOGIC_ISP8001:
1593 ha->device_type |= DT_ISP8001;
1594 ha->device_type |= DT_ZIO_SUPPORTED;
1595 ha->device_type |= DT_FWI2;
1596 ha->device_type |= DT_IIDMA;
1597 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1598 break;
1599 }
1600 }
1601
1602 static int
1603 qla2x00_iospace_config(struct qla_hw_data *ha)
1604 {
1605 resource_size_t pio;
1606 uint16_t msix;
1607
1608 if (pci_request_selected_regions(ha->pdev, ha->bars,
1609 QLA2XXX_DRIVER_NAME)) {
1610 qla_printk(KERN_WARNING, ha,
1611 "Failed to reserve PIO/MMIO regions (%s)\n",
1612 pci_name(ha->pdev));
1613
1614 goto iospace_error_exit;
1615 }
1616 if (!(ha->bars & 1))
1617 goto skip_pio;
1618
1619 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1620 pio = pci_resource_start(ha->pdev, 0);
1621 if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1622 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1623 qla_printk(KERN_WARNING, ha,
1624 "Invalid PCI I/O region size (%s)...\n",
1625 pci_name(ha->pdev));
1626 pio = 0;
1627 }
1628 } else {
1629 qla_printk(KERN_WARNING, ha,
1630 "region #0 not a PIO resource (%s)...\n",
1631 pci_name(ha->pdev));
1632 pio = 0;
1633 }
1634 ha->pio_address = pio;
1635
1636 skip_pio:
1637 /* Use MMIO operations for all accesses. */
1638 if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1639 qla_printk(KERN_ERR, ha,
1640 "region #1 not an MMIO resource (%s), aborting\n",
1641 pci_name(ha->pdev));
1642 goto iospace_error_exit;
1643 }
1644 if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1645 qla_printk(KERN_ERR, ha,
1646 "Invalid PCI mem region size (%s), aborting\n",
1647 pci_name(ha->pdev));
1648 goto iospace_error_exit;
1649 }
1650
1651 ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1652 if (!ha->iobase) {
1653 qla_printk(KERN_ERR, ha,
1654 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1655
1656 goto iospace_error_exit;
1657 }
1658
1659 /* Determine queue resources */
1660 ha->max_queues = 1;
1661 if (ql2xmaxqueues <= 1 || (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
1662 goto mqiobase_exit;
1663 ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1664 pci_resource_len(ha->pdev, 3));
1665 if (ha->mqiobase) {
1666 /* Read MSIX vector size of the board */
1667 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1668 ha->msix_count = msix;
1669 /* Max queues are bounded by available msix vectors */
1670 /* queue 0 uses two msix vectors */
1671 if (ha->msix_count - 1 < ql2xmaxqueues)
1672 ha->max_queues = ha->msix_count - 1;
1673 else if (ql2xmaxqueues > QLA_MQ_SIZE)
1674 ha->max_queues = QLA_MQ_SIZE;
1675 else
1676 ha->max_queues = ql2xmaxqueues;
1677 qla_printk(KERN_INFO, ha,
1678 "MSI-X vector count: %d\n", msix);
1679 }
1680
1681 mqiobase_exit:
1682 ha->msix_count = ha->max_queues + 1;
1683 return (0);
1684
1685 iospace_error_exit:
1686 return (-ENOMEM);
1687 }
1688
1689 static void
1690 qla2xxx_scan_start(struct Scsi_Host *shost)
1691 {
1692 scsi_qla_host_t *vha = shost_priv(shost);
1693
1694 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1695 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1696 set_bit(RSCN_UPDATE, &vha->dpc_flags);
1697 set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
1698 }
1699
1700 static int
1701 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1702 {
1703 scsi_qla_host_t *vha = shost_priv(shost);
1704
1705 if (!vha->host)
1706 return 1;
1707 if (time > vha->hw->loop_reset_delay * HZ)
1708 return 1;
1709
1710 return atomic_read(&vha->loop_state) == LOOP_READY;
1711 }
1712
1713 /*
1714 * PCI driver interface
1715 */
1716 static int __devinit
1717 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1718 {
1719 int ret = -ENODEV;
1720 struct Scsi_Host *host;
1721 scsi_qla_host_t *base_vha = NULL;
1722 struct qla_hw_data *ha;
1723 char pci_info[30];
1724 char fw_str[30];
1725 struct scsi_host_template *sht;
1726 int bars, max_id, mem_only = 0;
1727 uint16_t req_length = 0, rsp_length = 0;
1728 struct req_que *req = NULL;
1729 struct rsp_que *rsp = NULL;
1730
1731 bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
1732 sht = &qla2x00_driver_template;
1733 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
1734 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
1735 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
1736 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
1737 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
1738 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
1739 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001) {
1740 bars = pci_select_bars(pdev, IORESOURCE_MEM);
1741 sht = &qla24xx_driver_template;
1742 mem_only = 1;
1743 }
1744
1745 if (mem_only) {
1746 if (pci_enable_device_mem(pdev))
1747 goto probe_out;
1748 } else {
1749 if (pci_enable_device(pdev))
1750 goto probe_out;
1751 }
1752
1753 /* This may fail but that's ok */
1754 pci_enable_pcie_error_reporting(pdev);
1755
1756 ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
1757 if (!ha) {
1758 DEBUG(printk("Unable to allocate memory for ha\n"));
1759 goto probe_out;
1760 }
1761 ha->pdev = pdev;
1762
1763 /* Clear our data area */
1764 ha->bars = bars;
1765 ha->mem_only = mem_only;
1766 spin_lock_init(&ha->hardware_lock);
1767
1768 /* Set ISP-type information. */
1769 qla2x00_set_isp_flags(ha);
1770 /* Configure PCI I/O space */
1771 ret = qla2x00_iospace_config(ha);
1772 if (ret)
1773 goto probe_hw_failed;
1774
1775 qla_printk(KERN_INFO, ha,
1776 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1777 ha->iobase);
1778
1779 ha->prev_topology = 0;
1780 ha->init_cb_size = sizeof(init_cb_t);
1781 ha->link_data_rate = PORT_SPEED_UNKNOWN;
1782 ha->optrom_size = OPTROM_SIZE_2300;
1783
1784 /* Assign ISP specific operations. */
1785 max_id = MAX_TARGETS_2200;
1786 if (IS_QLA2100(ha)) {
1787 max_id = MAX_TARGETS_2100;
1788 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
1789 req_length = REQUEST_ENTRY_CNT_2100;
1790 rsp_length = RESPONSE_ENTRY_CNT_2100;
1791 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
1792 ha->gid_list_info_size = 4;
1793 ha->flash_conf_off = ~0;
1794 ha->flash_data_off = ~0;
1795 ha->nvram_conf_off = ~0;
1796 ha->nvram_data_off = ~0;
1797 ha->isp_ops = &qla2100_isp_ops;
1798 } else if (IS_QLA2200(ha)) {
1799 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1800 req_length = REQUEST_ENTRY_CNT_2200;
1801 rsp_length = RESPONSE_ENTRY_CNT_2100;
1802 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
1803 ha->gid_list_info_size = 4;
1804 ha->flash_conf_off = ~0;
1805 ha->flash_data_off = ~0;
1806 ha->nvram_conf_off = ~0;
1807 ha->nvram_data_off = ~0;
1808 ha->isp_ops = &qla2100_isp_ops;
1809 } else if (IS_QLA23XX(ha)) {
1810 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1811 req_length = REQUEST_ENTRY_CNT_2200;
1812 rsp_length = RESPONSE_ENTRY_CNT_2300;
1813 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1814 ha->gid_list_info_size = 6;
1815 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1816 ha->optrom_size = OPTROM_SIZE_2322;
1817 ha->flash_conf_off = ~0;
1818 ha->flash_data_off = ~0;
1819 ha->nvram_conf_off = ~0;
1820 ha->nvram_data_off = ~0;
1821 ha->isp_ops = &qla2300_isp_ops;
1822 } else if (IS_QLA24XX_TYPE(ha)) {
1823 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1824 req_length = REQUEST_ENTRY_CNT_24XX;
1825 rsp_length = RESPONSE_ENTRY_CNT_2300;
1826 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1827 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1828 ha->gid_list_info_size = 8;
1829 ha->optrom_size = OPTROM_SIZE_24XX;
1830 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
1831 ha->isp_ops = &qla24xx_isp_ops;
1832 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
1833 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
1834 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
1835 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
1836 } else if (IS_QLA25XX(ha)) {
1837 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1838 req_length = REQUEST_ENTRY_CNT_24XX;
1839 rsp_length = RESPONSE_ENTRY_CNT_2300;
1840 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1841 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1842 ha->gid_list_info_size = 8;
1843 ha->optrom_size = OPTROM_SIZE_25XX;
1844 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
1845 ha->isp_ops = &qla25xx_isp_ops;
1846 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
1847 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
1848 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
1849 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
1850 } else if (IS_QLA81XX(ha)) {
1851 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1852 req_length = REQUEST_ENTRY_CNT_24XX;
1853 rsp_length = RESPONSE_ENTRY_CNT_2300;
1854 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1855 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
1856 ha->gid_list_info_size = 8;
1857 ha->optrom_size = OPTROM_SIZE_81XX;
1858 ha->isp_ops = &qla81xx_isp_ops;
1859 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
1860 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
1861 ha->nvram_conf_off = ~0;
1862 ha->nvram_data_off = ~0;
1863 }
1864
1865 mutex_init(&ha->vport_lock);
1866 init_completion(&ha->mbx_cmd_comp);
1867 complete(&ha->mbx_cmd_comp);
1868 init_completion(&ha->mbx_intr_comp);
1869
1870 set_bit(0, (unsigned long *) ha->vp_idx_map);
1871
1872 ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
1873 if (!ret) {
1874 qla_printk(KERN_WARNING, ha,
1875 "[ERROR] Failed to allocate memory for adapter\n");
1876
1877 goto probe_hw_failed;
1878 }
1879
1880 req->max_q_depth = MAX_Q_DEPTH;
1881 if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
1882 req->max_q_depth = ql2xmaxqdepth;
1883
1884
1885 base_vha = qla2x00_create_host(sht, ha);
1886 if (!base_vha) {
1887 qla_printk(KERN_WARNING, ha,
1888 "[ERROR] Failed to allocate memory for scsi_host\n");
1889
1890 ret = -ENOMEM;
1891 goto probe_hw_failed;
1892 }
1893
1894 pci_set_drvdata(pdev, base_vha);
1895
1896 qla2x00_config_dma_addressing(base_vha);
1897
1898 host = base_vha->host;
1899 base_vha->req_ques[0] = req->id;
1900 host->can_queue = req->length + 128;
1901 if (IS_QLA2XXX_MIDTYPE(ha))
1902 base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
1903 else
1904 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
1905 base_vha->vp_idx;
1906 if (IS_QLA2100(ha))
1907 host->sg_tablesize = 32;
1908 host->max_id = max_id;
1909 host->this_id = 255;
1910 host->cmd_per_lun = 3;
1911 host->unique_id = host->host_no;
1912 host->max_cmd_len = MAX_CMDSZ;
1913 host->max_channel = MAX_BUSES - 1;
1914 host->max_lun = MAX_LUNS;
1915 host->transportt = qla2xxx_transport_template;
1916
1917 /* Set up the irqs */
1918 ret = qla2x00_request_irqs(ha, rsp);
1919 if (ret)
1920 goto probe_failed;
1921
1922 /* Alloc arrays of request and response ring ptrs */
1923 if (!qla2x00_alloc_queues(ha)) {
1924 qla_printk(KERN_WARNING, ha,
1925 "[ERROR] Failed to allocate memory for queue"
1926 " pointers\n");
1927 goto probe_failed;
1928 }
1929 ha->rsp_q_map[0] = rsp;
1930 ha->req_q_map[0] = req;
1931
1932 if (ha->mqenable) {
1933 ha->isp_ops->wrt_req_reg = qla25xx_wrt_req_reg;
1934 ha->isp_ops->wrt_rsp_reg = qla25xx_wrt_rsp_reg;
1935 ha->isp_ops->rd_req_reg = qla25xx_rd_req_reg;
1936 }
1937
1938 if (qla2x00_initialize_adapter(base_vha)) {
1939 qla_printk(KERN_WARNING, ha,
1940 "Failed to initialize adapter\n");
1941
1942 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1943 "Adapter flags %x.\n",
1944 base_vha->host_no, base_vha->device_flags));
1945
1946 ret = -ENODEV;
1947 goto probe_failed;
1948 }
1949
1950 /*
1951 * Startup the kernel thread for this host adapter
1952 */
1953 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
1954 "%s_dpc", base_vha->host_str);
1955 if (IS_ERR(ha->dpc_thread)) {
1956 qla_printk(KERN_WARNING, ha,
1957 "Unable to start DPC thread!\n");
1958 ret = PTR_ERR(ha->dpc_thread);
1959 goto probe_failed;
1960 }
1961
1962 list_add_tail(&base_vha->list, &ha->vp_list);
1963 base_vha->host->irq = ha->pdev->irq;
1964
1965 /* Initialized the timer */
1966 qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
1967
1968 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
1969 base_vha->host_no, ha));
1970
1971 base_vha->flags.init_done = 1;
1972 base_vha->flags.online = 1;
1973
1974 ret = scsi_add_host(host, &pdev->dev);
1975 if (ret)
1976 goto probe_failed;
1977
1978 ha->isp_ops->enable_intrs(ha);
1979
1980 scsi_scan_host(host);
1981
1982 qla2x00_alloc_sysfs_attr(base_vha);
1983
1984 qla2x00_init_host_attr(base_vha);
1985
1986 qla2x00_dfs_setup(base_vha);
1987
1988 qla_printk(KERN_INFO, ha, "\n"
1989 " QLogic Fibre Channel HBA Driver: %s\n"
1990 " QLogic %s - %s\n"
1991 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
1992 qla2x00_version_str, ha->model_number,
1993 ha->model_desc ? ha->model_desc : "", pdev->device,
1994 ha->isp_ops->pci_info_str(base_vha, pci_info), pci_name(pdev),
1995 ha->flags.enable_64bit_addressing ? '+' : '-', base_vha->host_no,
1996 ha->isp_ops->fw_version_str(base_vha, fw_str));
1997
1998 return 0;
1999
2000 probe_failed:
2001 qla2x00_free_que(ha, req, rsp);
2002 qla2x00_free_device(base_vha);
2003
2004 scsi_host_put(base_vha->host);
2005
2006 probe_hw_failed:
2007 if (ha->iobase)
2008 iounmap(ha->iobase);
2009
2010 pci_release_selected_regions(ha->pdev, ha->bars);
2011 kfree(ha);
2012 ha = NULL;
2013
2014 probe_out:
2015 pci_disable_device(pdev);
2016 return ret;
2017 }
2018
2019 static void
2020 qla2x00_remove_one(struct pci_dev *pdev)
2021 {
2022 scsi_qla_host_t *base_vha, *vha, *temp;
2023 struct qla_hw_data *ha;
2024
2025 base_vha = pci_get_drvdata(pdev);
2026 ha = base_vha->hw;
2027
2028 list_for_each_entry_safe(vha, temp, &ha->vp_list, list) {
2029 if (vha && vha->fc_vport)
2030 fc_vport_terminate(vha->fc_vport);
2031 }
2032
2033 set_bit(UNLOADING, &base_vha->dpc_flags);
2034
2035 qla2x00_dfs_remove(base_vha);
2036
2037 qla84xx_put_chip(base_vha);
2038
2039 qla2x00_free_sysfs_attr(base_vha);
2040
2041 fc_remove_host(base_vha->host);
2042
2043 scsi_remove_host(base_vha->host);
2044
2045 qla2x00_free_device(base_vha);
2046
2047 scsi_host_put(base_vha->host);
2048
2049 if (ha->iobase)
2050 iounmap(ha->iobase);
2051
2052 if (ha->mqiobase)
2053 iounmap(ha->mqiobase);
2054
2055 pci_release_selected_regions(ha->pdev, ha->bars);
2056 kfree(ha);
2057 ha = NULL;
2058
2059 pci_disable_device(pdev);
2060 pci_set_drvdata(pdev, NULL);
2061 }
2062
2063 static void
2064 qla2x00_free_device(scsi_qla_host_t *vha)
2065 {
2066 struct qla_hw_data *ha = vha->hw;
2067 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
2068
2069 /* Disable timer */
2070 if (vha->timer_active)
2071 qla2x00_stop_timer(vha);
2072
2073 vha->flags.online = 0;
2074
2075 /* Kill the kernel thread for this host */
2076 if (ha->dpc_thread) {
2077 struct task_struct *t = ha->dpc_thread;
2078
2079 /*
2080 * qla2xxx_wake_dpc checks for ->dpc_thread
2081 * so we need to zero it out.
2082 */
2083 ha->dpc_thread = NULL;
2084 kthread_stop(t);
2085 }
2086
2087 if (ha->flags.fce_enabled)
2088 qla2x00_disable_fce_trace(vha, NULL, NULL);
2089
2090 if (ha->eft)
2091 qla2x00_disable_eft_trace(vha);
2092
2093 /* Stop currently executing firmware. */
2094 qla2x00_try_to_stop_firmware(vha);
2095
2096 /* turn-off interrupts on the card */
2097 if (ha->interrupts_on)
2098 ha->isp_ops->disable_intrs(ha);
2099
2100 qla2x00_free_irqs(vha);
2101
2102 qla2x00_mem_free(ha);
2103
2104 qla2x00_free_queues(ha);
2105 }
2106
2107 static inline void
2108 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
2109 int defer)
2110 {
2111 struct fc_rport *rport;
2112
2113 if (!fcport->rport)
2114 return;
2115
2116 rport = fcport->rport;
2117 if (defer) {
2118 spin_lock_irq(vha->host->host_lock);
2119 fcport->drport = rport;
2120 spin_unlock_irq(vha->host->host_lock);
2121 set_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags);
2122 qla2xxx_wake_dpc(vha);
2123 } else
2124 fc_remote_port_delete(rport);
2125 }
2126
2127 /*
2128 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
2129 *
2130 * Input: ha = adapter block pointer. fcport = port structure pointer.
2131 *
2132 * Return: None.
2133 *
2134 * Context:
2135 */
2136 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
2137 int do_login, int defer)
2138 {
2139 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2140 vha->vp_idx == fcport->vp_idx) {
2141 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2142 qla2x00_schedule_rport_del(vha, fcport, defer);
2143 }
2144 /*
2145 * We may need to retry the login, so don't change the state of the
2146 * port but do the retries.
2147 */
2148 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
2149 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2150
2151 if (!do_login)
2152 return;
2153
2154 if (fcport->login_retry == 0) {
2155 fcport->login_retry = vha->hw->login_retry_count;
2156 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2157
2158 DEBUG(printk("scsi(%ld): Port login retry: "
2159 "%02x%02x%02x%02x%02x%02x%02x%02x, "
2160 "id = 0x%04x retry cnt=%d\n",
2161 vha->host_no,
2162 fcport->port_name[0],
2163 fcport->port_name[1],
2164 fcport->port_name[2],
2165 fcport->port_name[3],
2166 fcport->port_name[4],
2167 fcport->port_name[5],
2168 fcport->port_name[6],
2169 fcport->port_name[7],
2170 fcport->loop_id,
2171 fcport->login_retry));
2172 }
2173 }
2174
2175 /*
2176 * qla2x00_mark_all_devices_lost
2177 * Updates fcport state when device goes offline.
2178 *
2179 * Input:
2180 * ha = adapter block pointer.
2181 * fcport = port structure pointer.
2182 *
2183 * Return:
2184 * None.
2185 *
2186 * Context:
2187 */
2188 void
2189 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
2190 {
2191 fc_port_t *fcport;
2192
2193 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2194 if (vha->vp_idx != fcport->vp_idx)
2195 continue;
2196 /*
2197 * No point in marking the device as lost, if the device is
2198 * already DEAD.
2199 */
2200 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
2201 continue;
2202 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2203 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2204 qla2x00_schedule_rport_del(vha, fcport, defer);
2205 } else
2206 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2207 }
2208 }
2209
2210 /*
2211 * qla2x00_mem_alloc
2212 * Allocates adapter memory.
2213 *
2214 * Returns:
2215 * 0 = success.
2216 * !0 = failure.
2217 */
2218 static int
2219 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
2220 struct req_que **req, struct rsp_que **rsp)
2221 {
2222 char name[16];
2223
2224 ha->init_cb_size = sizeof(init_cb_t);
2225 if (IS_QLA2XXX_MIDTYPE(ha))
2226 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2227
2228 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
2229 &ha->init_cb_dma, GFP_KERNEL);
2230 if (!ha->init_cb)
2231 goto fail;
2232
2233 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2234 &ha->gid_list_dma, GFP_KERNEL);
2235 if (!ha->gid_list)
2236 goto fail_free_init_cb;
2237
2238 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2239 if (!ha->srb_mempool)
2240 goto fail_free_gid_list;
2241
2242 /* Get memory for cached NVRAM */
2243 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2244 if (!ha->nvram)
2245 goto fail_free_srb_mempool;
2246
2247 snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
2248 ha->pdev->device);
2249 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2250 DMA_POOL_SIZE, 8, 0);
2251 if (!ha->s_dma_pool)
2252 goto fail_free_nvram;
2253
2254 /* Allocate memory for SNS commands */
2255 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2256 /* Get consistent memory allocated for SNS commands */
2257 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
2258 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
2259 if (!ha->sns_cmd)
2260 goto fail_dma_pool;
2261 } else {
2262 /* Get consistent memory allocated for MS IOCB */
2263 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2264 &ha->ms_iocb_dma);
2265 if (!ha->ms_iocb)
2266 goto fail_dma_pool;
2267 /* Get consistent memory allocated for CT SNS commands */
2268 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
2269 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
2270 if (!ha->ct_sns)
2271 goto fail_free_ms_iocb;
2272 }
2273
2274 /* Allocate memory for request ring */
2275 *req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
2276 if (!*req) {
2277 DEBUG(printk("Unable to allocate memory for req\n"));
2278 goto fail_req;
2279 }
2280 (*req)->length = req_len;
2281 (*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
2282 ((*req)->length + 1) * sizeof(request_t),
2283 &(*req)->dma, GFP_KERNEL);
2284 if (!(*req)->ring) {
2285 DEBUG(printk("Unable to allocate memory for req_ring\n"));
2286 goto fail_req_ring;
2287 }
2288 /* Allocate memory for response ring */
2289 *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
2290 if (!*rsp) {
2291 qla_printk(KERN_WARNING, ha,
2292 "Unable to allocate memory for rsp\n");
2293 goto fail_rsp;
2294 }
2295 (*rsp)->hw = ha;
2296 (*rsp)->length = rsp_len;
2297 (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
2298 ((*rsp)->length + 1) * sizeof(response_t),
2299 &(*rsp)->dma, GFP_KERNEL);
2300 if (!(*rsp)->ring) {
2301 qla_printk(KERN_WARNING, ha,
2302 "Unable to allocate memory for rsp_ring\n");
2303 goto fail_rsp_ring;
2304 }
2305 (*req)->rsp = *rsp;
2306 (*rsp)->req = *req;
2307 /* Allocate memory for NVRAM data for vports */
2308 if (ha->nvram_npiv_size) {
2309 ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
2310 ha->nvram_npiv_size, GFP_KERNEL);
2311 if (!ha->npiv_info) {
2312 qla_printk(KERN_WARNING, ha,
2313 "Unable to allocate memory for npiv info\n");
2314 goto fail_npiv_info;
2315 }
2316 } else
2317 ha->npiv_info = NULL;
2318
2319 INIT_LIST_HEAD(&ha->vp_list);
2320 return 1;
2321
2322 fail_npiv_info:
2323 dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
2324 sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
2325 (*rsp)->ring = NULL;
2326 (*rsp)->dma = 0;
2327 fail_rsp_ring:
2328 kfree(*rsp);
2329 fail_rsp:
2330 dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
2331 sizeof(request_t), (*req)->ring, (*req)->dma);
2332 (*req)->ring = NULL;
2333 (*req)->dma = 0;
2334 fail_req_ring:
2335 kfree(*req);
2336 fail_req:
2337 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2338 ha->ct_sns, ha->ct_sns_dma);
2339 ha->ct_sns = NULL;
2340 ha->ct_sns_dma = 0;
2341 fail_free_ms_iocb:
2342 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2343 ha->ms_iocb = NULL;
2344 ha->ms_iocb_dma = 0;
2345 fail_dma_pool:
2346 dma_pool_destroy(ha->s_dma_pool);
2347 ha->s_dma_pool = NULL;
2348 fail_free_nvram:
2349 kfree(ha->nvram);
2350 ha->nvram = NULL;
2351 fail_free_srb_mempool:
2352 mempool_destroy(ha->srb_mempool);
2353 ha->srb_mempool = NULL;
2354 fail_free_gid_list:
2355 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2356 ha->gid_list_dma);
2357 ha->gid_list = NULL;
2358 ha->gid_list_dma = 0;
2359 fail_free_init_cb:
2360 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
2361 ha->init_cb_dma);
2362 ha->init_cb = NULL;
2363 ha->init_cb_dma = 0;
2364 fail:
2365 DEBUG(printk("%s: Memory allocation failure\n", __func__));
2366 return -ENOMEM;
2367 }
2368
2369 /*
2370 * qla2x00_mem_free
2371 * Frees all adapter allocated memory.
2372 *
2373 * Input:
2374 * ha = adapter block pointer.
2375 */
2376 static void
2377 qla2x00_mem_free(struct qla_hw_data *ha)
2378 {
2379 if (ha->srb_mempool)
2380 mempool_destroy(ha->srb_mempool);
2381
2382 if (ha->fce)
2383 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
2384 ha->fce_dma);
2385
2386 if (ha->fw_dump) {
2387 if (ha->eft)
2388 dma_free_coherent(&ha->pdev->dev,
2389 ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
2390 vfree(ha->fw_dump);
2391 }
2392
2393 if (ha->sns_cmd)
2394 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2395 ha->sns_cmd, ha->sns_cmd_dma);
2396
2397 if (ha->ct_sns)
2398 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2399 ha->ct_sns, ha->ct_sns_dma);
2400
2401 if (ha->sfp_data)
2402 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2403
2404 if (ha->ms_iocb)
2405 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2406
2407 if (ha->s_dma_pool)
2408 dma_pool_destroy(ha->s_dma_pool);
2409
2410
2411 if (ha->gid_list)
2412 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2413 ha->gid_list_dma);
2414
2415
2416 if (ha->init_cb)
2417 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2418 ha->init_cb, ha->init_cb_dma);
2419 vfree(ha->optrom_buffer);
2420 kfree(ha->nvram);
2421 kfree(ha->npiv_info);
2422
2423 ha->srb_mempool = NULL;
2424 ha->eft = NULL;
2425 ha->eft_dma = 0;
2426 ha->sns_cmd = NULL;
2427 ha->sns_cmd_dma = 0;
2428 ha->ct_sns = NULL;
2429 ha->ct_sns_dma = 0;
2430 ha->ms_iocb = NULL;
2431 ha->ms_iocb_dma = 0;
2432 ha->init_cb = NULL;
2433 ha->init_cb_dma = 0;
2434
2435 ha->s_dma_pool = NULL;
2436
2437 ha->gid_list = NULL;
2438 ha->gid_list_dma = 0;
2439
2440 ha->fw_dump = NULL;
2441 ha->fw_dumped = 0;
2442 ha->fw_dump_reading = 0;
2443 }
2444
2445 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
2446 struct qla_hw_data *ha)
2447 {
2448 struct Scsi_Host *host;
2449 struct scsi_qla_host *vha = NULL;
2450
2451 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
2452 if (host == NULL) {
2453 printk(KERN_WARNING
2454 "qla2xxx: Couldn't allocate host from scsi layer!\n");
2455 goto fail;
2456 }
2457
2458 /* Clear our data area */
2459 vha = shost_priv(host);
2460 memset(vha, 0, sizeof(scsi_qla_host_t));
2461
2462 vha->host = host;
2463 vha->host_no = host->host_no;
2464 vha->hw = ha;
2465
2466 INIT_LIST_HEAD(&vha->vp_fcports);
2467 INIT_LIST_HEAD(&vha->work_list);
2468 INIT_LIST_HEAD(&vha->list);
2469
2470 sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
2471 return vha;
2472
2473 fail:
2474 return vha;
2475 }
2476
2477 static struct qla_work_evt *
2478 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type,
2479 int locked)
2480 {
2481 struct qla_work_evt *e;
2482
2483 e = kzalloc(sizeof(struct qla_work_evt), locked ? GFP_ATOMIC:
2484 GFP_KERNEL);
2485 if (!e)
2486 return NULL;
2487
2488 INIT_LIST_HEAD(&e->list);
2489 e->type = type;
2490 e->flags = QLA_EVT_FLAG_FREE;
2491 return e;
2492 }
2493
2494 static int
2495 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e, int locked)
2496 {
2497 unsigned long uninitialized_var(flags);
2498 struct qla_hw_data *ha = vha->hw;
2499
2500 if (!locked)
2501 spin_lock_irqsave(&ha->hardware_lock, flags);
2502 list_add_tail(&e->list, &vha->work_list);
2503 qla2xxx_wake_dpc(vha);
2504 if (!locked)
2505 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2506 return QLA_SUCCESS;
2507 }
2508
2509 int
2510 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
2511 u32 data)
2512 {
2513 struct qla_work_evt *e;
2514
2515 e = qla2x00_alloc_work(vha, QLA_EVT_AEN, 1);
2516 if (!e)
2517 return QLA_FUNCTION_FAILED;
2518
2519 e->u.aen.code = code;
2520 e->u.aen.data = data;
2521 return qla2x00_post_work(vha, e, 1);
2522 }
2523
2524 static void
2525 qla2x00_do_work(struct scsi_qla_host *vha)
2526 {
2527 struct qla_work_evt *e;
2528 struct qla_hw_data *ha = vha->hw;
2529
2530 spin_lock_irq(&ha->hardware_lock);
2531 while (!list_empty(&vha->work_list)) {
2532 e = list_entry(vha->work_list.next, struct qla_work_evt, list);
2533 list_del_init(&e->list);
2534 spin_unlock_irq(&ha->hardware_lock);
2535
2536 switch (e->type) {
2537 case QLA_EVT_AEN:
2538 fc_host_post_event(vha->host, fc_get_event_number(),
2539 e->u.aen.code, e->u.aen.data);
2540 break;
2541 }
2542 if (e->flags & QLA_EVT_FLAG_FREE)
2543 kfree(e);
2544 spin_lock_irq(&ha->hardware_lock);
2545 }
2546 spin_unlock_irq(&ha->hardware_lock);
2547 }
2548 /* Relogins all the fcports of a vport
2549 * Context: dpc thread
2550 */
2551 void qla2x00_relogin(struct scsi_qla_host *vha)
2552 {
2553 fc_port_t *fcport;
2554 uint8_t status;
2555 uint16_t next_loopid = 0;
2556 struct qla_hw_data *ha = vha->hw;
2557
2558 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2559 /*
2560 * If the port is not ONLINE then try to login
2561 * to it if we haven't run out of retries.
2562 */
2563 if (atomic_read(&fcport->state) !=
2564 FCS_ONLINE && fcport->login_retry) {
2565
2566 if (fcport->flags & FCF_FABRIC_DEVICE) {
2567 if (fcport->flags & FCF_TAPE_PRESENT)
2568 ha->isp_ops->fabric_logout(vha,
2569 fcport->loop_id,
2570 fcport->d_id.b.domain,
2571 fcport->d_id.b.area,
2572 fcport->d_id.b.al_pa);
2573
2574 status = qla2x00_fabric_login(vha, fcport,
2575 &next_loopid);
2576 } else
2577 status = qla2x00_local_device_login(vha,
2578 fcport);
2579
2580 fcport->login_retry--;
2581 if (status == QLA_SUCCESS) {
2582 fcport->old_loop_id = fcport->loop_id;
2583
2584 DEBUG(printk("scsi(%ld): port login OK: logged "
2585 "in ID 0x%x\n", vha->host_no, fcport->loop_id));
2586
2587 qla2x00_update_fcport(vha, fcport);
2588
2589 } else if (status == 1) {
2590 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2591 /* retry the login again */
2592 DEBUG(printk("scsi(%ld): Retrying"
2593 " %d login again loop_id 0x%x\n",
2594 vha->host_no, fcport->login_retry,
2595 fcport->loop_id));
2596 } else {
2597 fcport->login_retry = 0;
2598 }
2599
2600 if (fcport->login_retry == 0 && status != QLA_SUCCESS)
2601 fcport->loop_id = FC_NO_LOOP_ID;
2602 }
2603 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2604 break;
2605 }
2606 }
2607
2608 /**************************************************************************
2609 * qla2x00_do_dpc
2610 * This kernel thread is a task that is schedule by the interrupt handler
2611 * to perform the background processing for interrupts.
2612 *
2613 * Notes:
2614 * This task always run in the context of a kernel thread. It
2615 * is kick-off by the driver's detect code and starts up
2616 * up one per adapter. It immediately goes to sleep and waits for
2617 * some fibre event. When either the interrupt handler or
2618 * the timer routine detects a event it will one of the task
2619 * bits then wake us up.
2620 **************************************************************************/
2621 static int
2622 qla2x00_do_dpc(void *data)
2623 {
2624 int rval;
2625 scsi_qla_host_t *base_vha;
2626 struct qla_hw_data *ha;
2627
2628 ha = (struct qla_hw_data *)data;
2629 base_vha = pci_get_drvdata(ha->pdev);
2630
2631 set_user_nice(current, -20);
2632
2633 while (!kthread_should_stop()) {
2634 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2635
2636 set_current_state(TASK_INTERRUPTIBLE);
2637 schedule();
2638 __set_current_state(TASK_RUNNING);
2639
2640 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2641
2642 /* Initialization not yet finished. Don't do anything yet. */
2643 if (!base_vha->flags.init_done)
2644 continue;
2645
2646 DEBUG3(printk("scsi(%ld): DPC handler\n", base_vha->host_no));
2647
2648 ha->dpc_active = 1;
2649
2650 if (ha->flags.mbox_busy) {
2651 ha->dpc_active = 0;
2652 continue;
2653 }
2654
2655 qla2x00_do_work(base_vha);
2656
2657 if (test_and_clear_bit(ISP_ABORT_NEEDED,
2658 &base_vha->dpc_flags)) {
2659
2660 DEBUG(printk("scsi(%ld): dpc: sched "
2661 "qla2x00_abort_isp ha = %p\n",
2662 base_vha->host_no, ha));
2663 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
2664 &base_vha->dpc_flags))) {
2665
2666 if (qla2x00_abort_isp(base_vha)) {
2667 /* failed. retry later */
2668 set_bit(ISP_ABORT_NEEDED,
2669 &base_vha->dpc_flags);
2670 }
2671 clear_bit(ABORT_ISP_ACTIVE,
2672 &base_vha->dpc_flags);
2673 }
2674
2675 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
2676 base_vha->host_no));
2677 }
2678
2679 if (test_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags)) {
2680 qla2x00_update_fcports(base_vha);
2681 clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
2682 }
2683
2684 if (test_and_clear_bit(RESET_MARKER_NEEDED,
2685 &base_vha->dpc_flags) &&
2686 (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
2687
2688 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
2689 base_vha->host_no));
2690
2691 qla2x00_rst_aen(base_vha);
2692 clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
2693 }
2694
2695 /* Retry each device up to login retry count */
2696 if ((test_and_clear_bit(RELOGIN_NEEDED,
2697 &base_vha->dpc_flags)) &&
2698 !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
2699 atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
2700
2701 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
2702 base_vha->host_no));
2703 qla2x00_relogin(base_vha);
2704
2705 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
2706 base_vha->host_no));
2707 }
2708
2709 if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
2710 &base_vha->dpc_flags)) {
2711
2712 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
2713 base_vha->host_no));
2714
2715 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
2716 &base_vha->dpc_flags))) {
2717
2718 rval = qla2x00_loop_resync(base_vha);
2719
2720 clear_bit(LOOP_RESYNC_ACTIVE,
2721 &base_vha->dpc_flags);
2722 }
2723
2724 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
2725 base_vha->host_no));
2726 }
2727
2728 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
2729 atomic_read(&base_vha->loop_state) == LOOP_READY) {
2730 clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
2731 qla2xxx_flash_npiv_conf(base_vha);
2732 }
2733
2734 if (!ha->interrupts_on)
2735 ha->isp_ops->enable_intrs(ha);
2736
2737 if (test_and_clear_bit(BEACON_BLINK_NEEDED,
2738 &base_vha->dpc_flags))
2739 ha->isp_ops->beacon_blink(base_vha);
2740
2741 qla2x00_do_dpc_all_vps(base_vha);
2742
2743 ha->dpc_active = 0;
2744 } /* End of while(1) */
2745
2746 DEBUG(printk("scsi(%ld): DPC handler exiting\n", base_vha->host_no));
2747
2748 /*
2749 * Make sure that nobody tries to wake us up again.
2750 */
2751 ha->dpc_active = 0;
2752
2753 return 0;
2754 }
2755
2756 void
2757 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
2758 {
2759 struct qla_hw_data *ha = vha->hw;
2760 struct task_struct *t = ha->dpc_thread;
2761
2762 if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
2763 wake_up_process(t);
2764 }
2765
2766 /*
2767 * qla2x00_rst_aen
2768 * Processes asynchronous reset.
2769 *
2770 * Input:
2771 * ha = adapter block pointer.
2772 */
2773 static void
2774 qla2x00_rst_aen(scsi_qla_host_t *vha)
2775 {
2776 if (vha->flags.online && !vha->flags.reset_active &&
2777 !atomic_read(&vha->loop_down_timer) &&
2778 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
2779 do {
2780 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
2781
2782 /*
2783 * Issue marker command only when we are going to start
2784 * the I/O.
2785 */
2786 vha->marker_needed = 1;
2787 } while (!atomic_read(&vha->loop_down_timer) &&
2788 (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
2789 }
2790 }
2791
2792 static void
2793 qla2x00_sp_free_dma(srb_t *sp)
2794 {
2795 struct scsi_cmnd *cmd = sp->cmd;
2796
2797 if (sp->flags & SRB_DMA_VALID) {
2798 scsi_dma_unmap(cmd);
2799 sp->flags &= ~SRB_DMA_VALID;
2800 }
2801 CMD_SP(cmd) = NULL;
2802 }
2803
2804 void
2805 qla2x00_sp_compl(struct qla_hw_data *ha, srb_t *sp)
2806 {
2807 struct scsi_cmnd *cmd = sp->cmd;
2808
2809 qla2x00_sp_free_dma(sp);
2810
2811 mempool_free(sp, ha->srb_mempool);
2812
2813 cmd->scsi_done(cmd);
2814 }
2815
2816 /**************************************************************************
2817 * qla2x00_timer
2818 *
2819 * Description:
2820 * One second timer
2821 *
2822 * Context: Interrupt
2823 ***************************************************************************/
2824 void
2825 qla2x00_timer(scsi_qla_host_t *vha)
2826 {
2827 unsigned long cpu_flags = 0;
2828 fc_port_t *fcport;
2829 int start_dpc = 0;
2830 int index;
2831 srb_t *sp;
2832 int t;
2833 struct qla_hw_data *ha = vha->hw;
2834 struct req_que *req;
2835 /*
2836 * Ports - Port down timer.
2837 *
2838 * Whenever, a port is in the LOST state we start decrementing its port
2839 * down timer every second until it reaches zero. Once it reaches zero
2840 * the port it marked DEAD.
2841 */
2842 t = 0;
2843 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2844 if (fcport->port_type != FCT_TARGET)
2845 continue;
2846
2847 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2848
2849 if (atomic_read(&fcport->port_down_timer) == 0)
2850 continue;
2851
2852 if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
2853 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
2854
2855 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
2856 "%d remaining\n",
2857 vha->host_no,
2858 t, atomic_read(&fcport->port_down_timer)));
2859 }
2860 t++;
2861 } /* End of for fcport */
2862
2863
2864 /* Loop down handler. */
2865 if (atomic_read(&vha->loop_down_timer) > 0 &&
2866 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
2867 && vha->flags.online) {
2868
2869 if (atomic_read(&vha->loop_down_timer) ==
2870 vha->loop_down_abort_time) {
2871
2872 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2873 "queues before time expire\n",
2874 vha->host_no));
2875
2876 if (!IS_QLA2100(ha) && vha->link_down_timeout)
2877 atomic_set(&vha->loop_state, LOOP_DEAD);
2878
2879 /* Schedule an ISP abort to return any tape commands. */
2880 /* NPIV - scan physical port only */
2881 if (!vha->vp_idx) {
2882 spin_lock_irqsave(&ha->hardware_lock,
2883 cpu_flags);
2884 req = ha->req_q_map[0];
2885 for (index = 1;
2886 index < MAX_OUTSTANDING_COMMANDS;
2887 index++) {
2888 fc_port_t *sfcp;
2889
2890 sp = req->outstanding_cmds[index];
2891 if (!sp)
2892 continue;
2893 sfcp = sp->fcport;
2894 if (!(sfcp->flags & FCF_TAPE_PRESENT))
2895 continue;
2896
2897 set_bit(ISP_ABORT_NEEDED,
2898 &vha->dpc_flags);
2899 break;
2900 }
2901 spin_unlock_irqrestore(&ha->hardware_lock,
2902 cpu_flags);
2903 }
2904 set_bit(ABORT_QUEUES_NEEDED, &vha->dpc_flags);
2905 start_dpc++;
2906 }
2907
2908 /* if the loop has been down for 4 minutes, reinit adapter */
2909 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
2910 DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - "
2911 "restarting queues.\n",
2912 vha->host_no));
2913
2914 set_bit(RESTART_QUEUES_NEEDED, &vha->dpc_flags);
2915 start_dpc++;
2916
2917 if (!(vha->device_flags & DFLG_NO_CABLE) &&
2918 !vha->vp_idx) {
2919 DEBUG(printk("scsi(%ld): Loop down - "
2920 "aborting ISP.\n",
2921 vha->host_no));
2922 qla_printk(KERN_WARNING, ha,
2923 "Loop down - aborting ISP.\n");
2924
2925 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2926 }
2927 }
2928 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
2929 vha->host_no,
2930 atomic_read(&vha->loop_down_timer)));
2931 }
2932
2933 /* Check if beacon LED needs to be blinked */
2934 if (ha->beacon_blink_led == 1) {
2935 set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
2936 start_dpc++;
2937 }
2938
2939 /* Process any deferred work. */
2940 if (!list_empty(&vha->work_list))
2941 start_dpc++;
2942
2943 /* Schedule the DPC routine if needed */
2944 if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
2945 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
2946 test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
2947 start_dpc ||
2948 test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
2949 test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
2950 test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
2951 test_bit(RELOGIN_NEEDED, &vha->dpc_flags)))
2952 qla2xxx_wake_dpc(vha);
2953
2954 qla2x00_restart_timer(vha, WATCH_INTERVAL);
2955 }
2956
2957 /* Firmware interface routines. */
2958
2959 #define FW_BLOBS 7
2960 #define FW_ISP21XX 0
2961 #define FW_ISP22XX 1
2962 #define FW_ISP2300 2
2963 #define FW_ISP2322 3
2964 #define FW_ISP24XX 4
2965 #define FW_ISP25XX 5
2966 #define FW_ISP81XX 6
2967
2968 #define FW_FILE_ISP21XX "ql2100_fw.bin"
2969 #define FW_FILE_ISP22XX "ql2200_fw.bin"
2970 #define FW_FILE_ISP2300 "ql2300_fw.bin"
2971 #define FW_FILE_ISP2322 "ql2322_fw.bin"
2972 #define FW_FILE_ISP24XX "ql2400_fw.bin"
2973 #define FW_FILE_ISP25XX "ql2500_fw.bin"
2974 #define FW_FILE_ISP81XX "ql8100_fw.bin"
2975
2976 static DEFINE_MUTEX(qla_fw_lock);
2977
2978 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
2979 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
2980 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
2981 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
2982 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
2983 { .name = FW_FILE_ISP24XX, },
2984 { .name = FW_FILE_ISP25XX, },
2985 { .name = FW_FILE_ISP81XX, },
2986 };
2987
2988 struct fw_blob *
2989 qla2x00_request_firmware(scsi_qla_host_t *vha)
2990 {
2991 struct qla_hw_data *ha = vha->hw;
2992 struct fw_blob *blob;
2993
2994 blob = NULL;
2995 if (IS_QLA2100(ha)) {
2996 blob = &qla_fw_blobs[FW_ISP21XX];
2997 } else if (IS_QLA2200(ha)) {
2998 blob = &qla_fw_blobs[FW_ISP22XX];
2999 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
3000 blob = &qla_fw_blobs[FW_ISP2300];
3001 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
3002 blob = &qla_fw_blobs[FW_ISP2322];
3003 } else if (IS_QLA24XX_TYPE(ha)) {
3004 blob = &qla_fw_blobs[FW_ISP24XX];
3005 } else if (IS_QLA25XX(ha)) {
3006 blob = &qla_fw_blobs[FW_ISP25XX];
3007 } else if (IS_QLA81XX(ha)) {
3008 blob = &qla_fw_blobs[FW_ISP81XX];
3009 }
3010
3011 mutex_lock(&qla_fw_lock);
3012 if (blob->fw)
3013 goto out;
3014
3015 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
3016 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
3017 "(%s).\n", vha->host_no, blob->name));
3018 blob->fw = NULL;
3019 blob = NULL;
3020 goto out;
3021 }
3022
3023 out:
3024 mutex_unlock(&qla_fw_lock);
3025 return blob;
3026 }
3027
3028 static void
3029 qla2x00_release_firmware(void)
3030 {
3031 int idx;
3032
3033 mutex_lock(&qla_fw_lock);
3034 for (idx = 0; idx < FW_BLOBS; idx++)
3035 if (qla_fw_blobs[idx].fw)
3036 release_firmware(qla_fw_blobs[idx].fw);
3037 mutex_unlock(&qla_fw_lock);
3038 }
3039
3040 static pci_ers_result_t
3041 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
3042 {
3043 switch (state) {
3044 case pci_channel_io_normal:
3045 return PCI_ERS_RESULT_CAN_RECOVER;
3046 case pci_channel_io_frozen:
3047 pci_disable_device(pdev);
3048 return PCI_ERS_RESULT_NEED_RESET;
3049 case pci_channel_io_perm_failure:
3050 qla2x00_remove_one(pdev);
3051 return PCI_ERS_RESULT_DISCONNECT;
3052 }
3053 return PCI_ERS_RESULT_NEED_RESET;
3054 }
3055
3056 static pci_ers_result_t
3057 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
3058 {
3059 int risc_paused = 0;
3060 uint32_t stat;
3061 unsigned long flags;
3062 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3063 struct qla_hw_data *ha = base_vha->hw;
3064 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3065 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
3066
3067 spin_lock_irqsave(&ha->hardware_lock, flags);
3068 if (IS_QLA2100(ha) || IS_QLA2200(ha)){
3069 stat = RD_REG_DWORD(&reg->hccr);
3070 if (stat & HCCR_RISC_PAUSE)
3071 risc_paused = 1;
3072 } else if (IS_QLA23XX(ha)) {
3073 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
3074 if (stat & HSR_RISC_PAUSED)
3075 risc_paused = 1;
3076 } else if (IS_FWI2_CAPABLE(ha)) {
3077 stat = RD_REG_DWORD(&reg24->host_status);
3078 if (stat & HSRX_RISC_PAUSED)
3079 risc_paused = 1;
3080 }
3081 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3082
3083 if (risc_paused) {
3084 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
3085 "Dumping firmware!\n");
3086 ha->isp_ops->fw_dump(base_vha, 0);
3087
3088 return PCI_ERS_RESULT_NEED_RESET;
3089 } else
3090 return PCI_ERS_RESULT_RECOVERED;
3091 }
3092
3093 static pci_ers_result_t
3094 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
3095 {
3096 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
3097 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3098 struct qla_hw_data *ha = base_vha->hw;
3099 int rc;
3100
3101 if (ha->mem_only)
3102 rc = pci_enable_device_mem(pdev);
3103 else
3104 rc = pci_enable_device(pdev);
3105
3106 if (rc) {
3107 qla_printk(KERN_WARNING, ha,
3108 "Can't re-enable PCI device after reset.\n");
3109
3110 return ret;
3111 }
3112 pci_set_master(pdev);
3113
3114 if (ha->isp_ops->pci_config(base_vha))
3115 return ret;
3116
3117 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3118 if (qla2x00_abort_isp(base_vha) == QLA_SUCCESS)
3119 ret = PCI_ERS_RESULT_RECOVERED;
3120 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3121
3122 return ret;
3123 }
3124
3125 static void
3126 qla2xxx_pci_resume(struct pci_dev *pdev)
3127 {
3128 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3129 struct qla_hw_data *ha = base_vha->hw;
3130 int ret;
3131
3132 ret = qla2x00_wait_for_hba_online(base_vha);
3133 if (ret != QLA_SUCCESS) {
3134 qla_printk(KERN_ERR, ha,
3135 "the device failed to resume I/O "
3136 "from slot/link_reset");
3137 }
3138 pci_cleanup_aer_uncorrect_error_status(pdev);
3139 }
3140
3141 static struct pci_error_handlers qla2xxx_err_handler = {
3142 .error_detected = qla2xxx_pci_error_detected,
3143 .mmio_enabled = qla2xxx_pci_mmio_enabled,
3144 .slot_reset = qla2xxx_pci_slot_reset,
3145 .resume = qla2xxx_pci_resume,
3146 };
3147
3148 static struct pci_device_id qla2xxx_pci_tbl[] = {
3149 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
3150 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
3151 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
3152 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
3153 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
3154 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
3155 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
3156 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
3157 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
3158 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
3159 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
3160 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
3161 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
3162 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
3163 { 0 },
3164 };
3165 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
3166
3167 static struct pci_driver qla2xxx_pci_driver = {
3168 .name = QLA2XXX_DRIVER_NAME,
3169 .driver = {
3170 .owner = THIS_MODULE,
3171 },
3172 .id_table = qla2xxx_pci_tbl,
3173 .probe = qla2x00_probe_one,
3174 .remove = qla2x00_remove_one,
3175 .err_handler = &qla2xxx_err_handler,
3176 };
3177
3178 /**
3179 * qla2x00_module_init - Module initialization.
3180 **/
3181 static int __init
3182 qla2x00_module_init(void)
3183 {
3184 int ret = 0;
3185
3186 /* Allocate cache for SRBs. */
3187 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
3188 SLAB_HWCACHE_ALIGN, NULL);
3189 if (srb_cachep == NULL) {
3190 printk(KERN_ERR
3191 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
3192 return -ENOMEM;
3193 }
3194
3195 /* Derive version string. */
3196 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
3197 if (ql2xextended_error_logging)
3198 strcat(qla2x00_version_str, "-debug");
3199
3200 qla2xxx_transport_template =
3201 fc_attach_transport(&qla2xxx_transport_functions);
3202 if (!qla2xxx_transport_template) {
3203 kmem_cache_destroy(srb_cachep);
3204 return -ENODEV;
3205 }
3206 qla2xxx_transport_vport_template =
3207 fc_attach_transport(&qla2xxx_transport_vport_functions);
3208 if (!qla2xxx_transport_vport_template) {
3209 kmem_cache_destroy(srb_cachep);
3210 fc_release_transport(qla2xxx_transport_template);
3211 return -ENODEV;
3212 }
3213
3214 printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n",
3215 qla2x00_version_str);
3216 ret = pci_register_driver(&qla2xxx_pci_driver);
3217 if (ret) {
3218 kmem_cache_destroy(srb_cachep);
3219 fc_release_transport(qla2xxx_transport_template);
3220 fc_release_transport(qla2xxx_transport_vport_template);
3221 }
3222 return ret;
3223 }
3224
3225 /**
3226 * qla2x00_module_exit - Module cleanup.
3227 **/
3228 static void __exit
3229 qla2x00_module_exit(void)
3230 {
3231 pci_unregister_driver(&qla2xxx_pci_driver);
3232 qla2x00_release_firmware();
3233 kmem_cache_destroy(srb_cachep);
3234 fc_release_transport(qla2xxx_transport_template);
3235 fc_release_transport(qla2xxx_transport_vport_template);
3236 }
3237
3238 module_init(qla2x00_module_init);
3239 module_exit(qla2x00_module_exit);
3240
3241 MODULE_AUTHOR("QLogic Corporation");
3242 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
3243 MODULE_LICENSE("GPL");
3244 MODULE_VERSION(QLA2XXX_VERSION);
3245 MODULE_FIRMWARE(FW_FILE_ISP21XX);
3246 MODULE_FIRMWARE(FW_FILE_ISP22XX);
3247 MODULE_FIRMWARE(FW_FILE_ISP2300);
3248 MODULE_FIRMWARE(FW_FILE_ISP2322);
3249 MODULE_FIRMWARE(FW_FILE_ISP24XX);
3250 MODULE_FIRMWARE(FW_FILE_ISP25XX);
3251 MODULE_FIRMWARE(FW_FILE_ISP81XX);
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