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powerpc: Compile fixes for chrp/nvram.c
[linux-2.6/x86.git] / drivers / scsi / qla2xxx / qla_os.c
blob7aec93f9d4231689b33ce9c450629904f3432807
1 /*
2 * QLOGIC LINUX SOFTWARE
3 *
4 * QLogic ISP2x00 device driver for Linux 2.6.x
5 * Copyright (C) 2003-2005 QLogic Corporation
6 * (www.qlogic.com)
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the
10 * Free Software Foundation; either version 2, or (at your option) any
11 * later version.
12 *
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
17 *
18 */
19 #include "qla_def.h"
20
21 #include <linux/moduleparam.h>
22 #include <linux/vmalloc.h>
23 #include <linux/smp_lock.h>
24 #include <linux/delay.h>
25
26 #include <scsi/scsi_tcq.h>
27 #include <scsi/scsicam.h>
28 #include <scsi/scsi_transport.h>
29 #include <scsi/scsi_transport_fc.h>
30
31 /*
32 * Driver version
33 */
34 char qla2x00_version_str[40];
35
36 /*
37 * SRB allocation cache
38 */
39 static kmem_cache_t *srb_cachep;
40
41 /*
42 * Ioctl related information.
43 */
44 static int num_hosts;
45
46 int ql2xlogintimeout = 20;
47 module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR);
48 MODULE_PARM_DESC(ql2xlogintimeout,
49 "Login timeout value in seconds.");
50
51 int qlport_down_retry = 30;
52 module_param(qlport_down_retry, int, S_IRUGO|S_IRUSR);
53 MODULE_PARM_DESC(qlport_down_retry,
54 "Maximum number of command retries to a port that returns"
55 "a PORT-DOWN status.");
56
57 int ql2xplogiabsentdevice;
58 module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
59 MODULE_PARM_DESC(ql2xplogiabsentdevice,
60 "Option to enable PLOGI to devices that are not present after "
61 "a Fabric scan. This is needed for several broken switches."
62 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
63
64 int ql2xenablezio = 0;
65 module_param(ql2xenablezio, int, S_IRUGO|S_IRUSR);
66 MODULE_PARM_DESC(ql2xenablezio,
67 "Option to enable ZIO:If 1 then enable it otherwise"
68 " use the default set in the NVRAM."
69 " Default is 0 : disabled");
70
71 int ql2xintrdelaytimer = 10;
72 module_param(ql2xintrdelaytimer, int, S_IRUGO|S_IRUSR);
73 MODULE_PARM_DESC(ql2xintrdelaytimer,
74 "ZIO: Waiting time for Firmware before it generates an "
75 "interrupt to the host to notify completion of request.");
76
77 int ql2xloginretrycount = 0;
78 module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR);
79 MODULE_PARM_DESC(ql2xloginretrycount,
80 "Specify an alternate value for the NVRAM login retry count.");
81
82 int ql2xfwloadbin=1;
83 module_param(ql2xfwloadbin, int, S_IRUGO|S_IRUSR);
84 MODULE_PARM_DESC(ql2xfwloadbin,
85 "Load ISP2xxx firmware image via hotplug.");
86
87 static void qla2x00_free_device(scsi_qla_host_t *);
88
89 static void qla2x00_config_dma_addressing(scsi_qla_host_t *ha);
90
91 int ql2xfdmienable;
92 module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR);
93 MODULE_PARM_DESC(ql2xfdmienable,
94 "Enables FDMI registratons "
95 "Default is 0 - no FDMI. 1 - perfom FDMI.");
96
97 /*
98 * SCSI host template entry points
99 */
100 static int qla2xxx_slave_configure(struct scsi_device * device);
101 static int qla2xxx_slave_alloc(struct scsi_device *);
102 static void qla2xxx_slave_destroy(struct scsi_device *);
103 static int qla2x00_queuecommand(struct scsi_cmnd *cmd,
104 void (*fn)(struct scsi_cmnd *));
105 static int qla24xx_queuecommand(struct scsi_cmnd *cmd,
106 void (*fn)(struct scsi_cmnd *));
107 static int qla2xxx_eh_abort(struct scsi_cmnd *);
108 static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
109 static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
110 static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
111 static int qla2x00_loop_reset(scsi_qla_host_t *ha);
112 static int qla2x00_device_reset(scsi_qla_host_t *, fc_port_t *);
113
114 static int qla2x00_change_queue_depth(struct scsi_device *, int);
115 static int qla2x00_change_queue_type(struct scsi_device *, int);
116
117 static struct scsi_host_template qla2x00_driver_template = {
118 .module = THIS_MODULE,
119 .name = "qla2xxx",
120 .queuecommand = qla2x00_queuecommand,
121
122 .eh_abort_handler = qla2xxx_eh_abort,
123 .eh_device_reset_handler = qla2xxx_eh_device_reset,
124 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
125 .eh_host_reset_handler = qla2xxx_eh_host_reset,
126
127 .slave_configure = qla2xxx_slave_configure,
128
129 .slave_alloc = qla2xxx_slave_alloc,
130 .slave_destroy = qla2xxx_slave_destroy,
131 .change_queue_depth = qla2x00_change_queue_depth,
132 .change_queue_type = qla2x00_change_queue_type,
133 .this_id = -1,
134 .cmd_per_lun = 3,
135 .use_clustering = ENABLE_CLUSTERING,
136 .sg_tablesize = SG_ALL,
137
138 /*
139 * The RISC allows for each command to transfer (2^32-1) bytes of data,
140 * which equates to 0x800000 sectors.
141 */
142 .max_sectors = 0xFFFF,
143 .shost_attrs = qla2x00_host_attrs,
144 };
145
146 static struct scsi_host_template qla24xx_driver_template = {
147 .module = THIS_MODULE,
148 .name = "qla2xxx",
149 .queuecommand = qla24xx_queuecommand,
150
151 .eh_abort_handler = qla2xxx_eh_abort,
152 .eh_device_reset_handler = qla2xxx_eh_device_reset,
153 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
154 .eh_host_reset_handler = qla2xxx_eh_host_reset,
155
156 .slave_configure = qla2xxx_slave_configure,
157
158 .slave_alloc = qla2xxx_slave_alloc,
159 .slave_destroy = qla2xxx_slave_destroy,
160 .change_queue_depth = qla2x00_change_queue_depth,
161 .change_queue_type = qla2x00_change_queue_type,
162 .this_id = -1,
163 .cmd_per_lun = 3,
164 .use_clustering = ENABLE_CLUSTERING,
165 .sg_tablesize = SG_ALL,
166
167 .max_sectors = 0xFFFF,
168 .shost_attrs = qla2x00_host_attrs,
169 };
170
171 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
172
173 /* TODO Convert to inlines
174 *
175 * Timer routines
176 */
177 #define WATCH_INTERVAL 1 /* number of seconds */
178
179 static void qla2x00_timer(scsi_qla_host_t *);
180
181 static __inline__ void qla2x00_start_timer(scsi_qla_host_t *,
182 void *, unsigned long);
183 static __inline__ void qla2x00_restart_timer(scsi_qla_host_t *, unsigned long);
184 static __inline__ void qla2x00_stop_timer(scsi_qla_host_t *);
185
186 static inline void
187 qla2x00_start_timer(scsi_qla_host_t *ha, void *func, unsigned long interval)
188 {
189 init_timer(&ha->timer);
190 ha->timer.expires = jiffies + interval * HZ;
191 ha->timer.data = (unsigned long)ha;
192 ha->timer.function = (void (*)(unsigned long))func;
193 add_timer(&ha->timer);
194 ha->timer_active = 1;
195 }
196
197 static inline void
198 qla2x00_restart_timer(scsi_qla_host_t *ha, unsigned long interval)
199 {
200 mod_timer(&ha->timer, jiffies + interval * HZ);
201 }
202
203 static __inline__ void
204 qla2x00_stop_timer(scsi_qla_host_t *ha)
205 {
206 del_timer_sync(&ha->timer);
207 ha->timer_active = 0;
208 }
209
210 static int qla2x00_do_dpc(void *data);
211
212 static void qla2x00_rst_aen(scsi_qla_host_t *);
213
214 static uint8_t qla2x00_mem_alloc(scsi_qla_host_t *);
215 static void qla2x00_mem_free(scsi_qla_host_t *ha);
216 static int qla2x00_allocate_sp_pool( scsi_qla_host_t *ha);
217 static void qla2x00_free_sp_pool(scsi_qla_host_t *ha);
218 static void qla2x00_sp_free_dma(scsi_qla_host_t *, srb_t *);
219 void qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *);
220
221 /* -------------------------------------------------------------------------- */
222
223 static char *
224 qla2x00_pci_info_str(struct scsi_qla_host *ha, char *str)
225 {
226 static char *pci_bus_modes[] = {
227 "33", "66", "100", "133",
228 };
229 uint16_t pci_bus;
230
231 strcpy(str, "PCI");
232 pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
233 if (pci_bus) {
234 strcat(str, "-X (");
235 strcat(str, pci_bus_modes[pci_bus]);
236 } else {
237 pci_bus = (ha->pci_attr & BIT_8) >> 8;
238 strcat(str, " (");
239 strcat(str, pci_bus_modes[pci_bus]);
240 }
241 strcat(str, " MHz)");
242
243 return (str);
244 }
245
246 static char *
247 qla24xx_pci_info_str(struct scsi_qla_host *ha, char *str)
248 {
249 static char *pci_bus_modes[] = { "33", "66", "100", "133", };
250 uint32_t pci_bus;
251 int pcie_reg;
252
253 pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
254 if (pcie_reg) {
255 char lwstr[6];
256 uint16_t pcie_lstat, lspeed, lwidth;
257
258 pcie_reg += 0x12;
259 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
260 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
261 lwidth = (pcie_lstat &
262 (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
263
264 strcpy(str, "PCIe (");
265 if (lspeed == 1)
266 strcat(str, "2.5Gb/s ");
267 else
268 strcat(str, "<unknown> ");
269 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
270 strcat(str, lwstr);
271
272 return str;
273 }
274
275 strcpy(str, "PCI");
276 pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
277 if (pci_bus == 0 || pci_bus == 8) {
278 strcat(str, " (");
279 strcat(str, pci_bus_modes[pci_bus >> 3]);
280 } else {
281 strcat(str, "-X ");
282 if (pci_bus & BIT_2)
283 strcat(str, "Mode 2");
284 else
285 strcat(str, "Mode 1");
286 strcat(str, " (");
287 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
288 }
289 strcat(str, " MHz)");
290
291 return str;
292 }
293
294 char *
295 qla2x00_fw_version_str(struct scsi_qla_host *ha, char *str)
296 {
297 char un_str[10];
298
299 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
300 ha->fw_minor_version,
301 ha->fw_subminor_version);
302
303 if (ha->fw_attributes & BIT_9) {
304 strcat(str, "FLX");
305 return (str);
306 }
307
308 switch (ha->fw_attributes & 0xFF) {
309 case 0x7:
310 strcat(str, "EF");
311 break;
312 case 0x17:
313 strcat(str, "TP");
314 break;
315 case 0x37:
316 strcat(str, "IP");
317 break;
318 case 0x77:
319 strcat(str, "VI");
320 break;
321 default:
322 sprintf(un_str, "(%x)", ha->fw_attributes);
323 strcat(str, un_str);
324 break;
325 }
326 if (ha->fw_attributes & 0x100)
327 strcat(str, "X");
328
329 return (str);
330 }
331
332 char *
333 qla24xx_fw_version_str(struct scsi_qla_host *ha, char *str)
334 {
335 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
336 ha->fw_minor_version,
337 ha->fw_subminor_version);
338
339 if (ha->fw_attributes & BIT_0)
340 strcat(str, "[Class 2] ");
341 if (ha->fw_attributes & BIT_1)
342 strcat(str, "[IP] ");
343 if (ha->fw_attributes & BIT_2)
344 strcat(str, "[Multi-ID] ");
345 if (ha->fw_attributes & BIT_13)
346 strcat(str, "[Experimental]");
347 return str;
348 }
349
350 static inline srb_t *
351 qla2x00_get_new_sp(scsi_qla_host_t *ha, fc_port_t *fcport,
352 struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
353 {
354 srb_t *sp;
355
356 sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
357 if (!sp)
358 return sp;
359
360 atomic_set(&sp->ref_count, 1);
361 sp->ha = ha;
362 sp->fcport = fcport;
363 sp->cmd = cmd;
364 sp->flags = 0;
365 CMD_SP(cmd) = (void *)sp;
366 cmd->scsi_done = done;
367
368 return sp;
369 }
370
371 static int
372 qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
373 {
374 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
375 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
376 srb_t *sp;
377 int rval;
378
379 if (!fcport) {
380 cmd->result = DID_NO_CONNECT << 16;
381 goto qc_fail_command;
382 }
383
384 if (atomic_read(&fcport->state) != FCS_ONLINE) {
385 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
386 atomic_read(&ha->loop_state) == LOOP_DEAD) {
387 cmd->result = DID_NO_CONNECT << 16;
388 goto qc_fail_command;
389 }
390 goto qc_host_busy;
391 }
392
393 spin_unlock_irq(ha->host->host_lock);
394
395 sp = qla2x00_get_new_sp(ha, fcport, cmd, done);
396 if (!sp)
397 goto qc_host_busy_lock;
398
399 rval = qla2x00_start_scsi(sp);
400 if (rval != QLA_SUCCESS)
401 goto qc_host_busy_free_sp;
402
403 /* Manage unprocessed RIO/ZIO commands in response queue. */
404 if (ha->flags.online && ha->flags.process_response_queue &&
405 ha->response_ring_ptr->signature != RESPONSE_PROCESSED) {
406 unsigned long flags;
407
408 spin_lock_irqsave(&ha->hardware_lock, flags);
409 qla2x00_process_response_queue(ha);
410 spin_unlock_irqrestore(&ha->hardware_lock, flags);
411 }
412
413 spin_lock_irq(ha->host->host_lock);
414
415 return 0;
416
417 qc_host_busy_free_sp:
418 qla2x00_sp_free_dma(ha, sp);
419 mempool_free(sp, ha->srb_mempool);
420
421 qc_host_busy_lock:
422 spin_lock_irq(ha->host->host_lock);
423
424 qc_host_busy:
425 return SCSI_MLQUEUE_HOST_BUSY;
426
427 qc_fail_command:
428 done(cmd);
429
430 return 0;
431 }
432
433
434 static int
435 qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
436 {
437 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
438 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
439 srb_t *sp;
440 int rval;
441
442 if (!fcport) {
443 cmd->result = DID_NO_CONNECT << 16;
444 goto qc24_fail_command;
445 }
446
447 if (atomic_read(&fcport->state) != FCS_ONLINE) {
448 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
449 atomic_read(&ha->loop_state) == LOOP_DEAD) {
450 cmd->result = DID_NO_CONNECT << 16;
451 goto qc24_fail_command;
452 }
453 goto qc24_host_busy;
454 }
455
456 spin_unlock_irq(ha->host->host_lock);
457
458 sp = qla2x00_get_new_sp(ha, fcport, cmd, done);
459 if (!sp)
460 goto qc24_host_busy_lock;
461
462 rval = qla24xx_start_scsi(sp);
463 if (rval != QLA_SUCCESS)
464 goto qc24_host_busy_free_sp;
465
466 spin_lock_irq(ha->host->host_lock);
467
468 return 0;
469
470 qc24_host_busy_free_sp:
471 qla2x00_sp_free_dma(ha, sp);
472 mempool_free(sp, ha->srb_mempool);
473
474 qc24_host_busy_lock:
475 spin_lock_irq(ha->host->host_lock);
476
477 qc24_host_busy:
478 return SCSI_MLQUEUE_HOST_BUSY;
479
480 qc24_fail_command:
481 done(cmd);
482
483 return 0;
484 }
485
486
487 /*
488 * qla2x00_eh_wait_on_command
489 * Waits for the command to be returned by the Firmware for some
490 * max time.
491 *
492 * Input:
493 * ha = actual ha whose done queue will contain the command
494 * returned by firmware.
495 * cmd = Scsi Command to wait on.
496 * flag = Abort/Reset(Bus or Device Reset)
497 *
498 * Return:
499 * Not Found : 0
500 * Found : 1
501 */
502 static int
503 qla2x00_eh_wait_on_command(scsi_qla_host_t *ha, struct scsi_cmnd *cmd)
504 {
505 #define ABORT_POLLING_PERIOD 1000
506 #define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
507 unsigned long wait_iter = ABORT_WAIT_ITER;
508 int ret = QLA_SUCCESS;
509
510 while (CMD_SP(cmd)) {
511 msleep(ABORT_POLLING_PERIOD);
512
513 if (--wait_iter)
514 break;
515 }
516 if (CMD_SP(cmd))
517 ret = QLA_FUNCTION_FAILED;
518
519 return ret;
520 }
521
522 /*
523 * qla2x00_wait_for_hba_online
524 * Wait till the HBA is online after going through
525 * <= MAX_RETRIES_OF_ISP_ABORT or
526 * finally HBA is disabled ie marked offline
527 *
528 * Input:
529 * ha - pointer to host adapter structure
530 *
531 * Note:
532 * Does context switching-Release SPIN_LOCK
533 * (if any) before calling this routine.
534 *
535 * Return:
536 * Success (Adapter is online) : 0
537 * Failed (Adapter is offline/disabled) : 1
538 */
539 static int
540 qla2x00_wait_for_hba_online(scsi_qla_host_t *ha)
541 {
542 int return_status;
543 unsigned long wait_online;
544
545 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
546 while (((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) ||
547 test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags) ||
548 test_bit(ISP_ABORT_RETRY, &ha->dpc_flags) ||
549 ha->dpc_active) && time_before(jiffies, wait_online)) {
550
551 msleep(1000);
552 }
553 if (ha->flags.online)
554 return_status = QLA_SUCCESS;
555 else
556 return_status = QLA_FUNCTION_FAILED;
557
558 DEBUG2(printk("%s return_status=%d\n",__func__,return_status));
559
560 return (return_status);
561 }
562
563 /*
564 * qla2x00_wait_for_loop_ready
565 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
566 * to be in LOOP_READY state.
567 * Input:
568 * ha - pointer to host adapter structure
569 *
570 * Note:
571 * Does context switching-Release SPIN_LOCK
572 * (if any) before calling this routine.
573 *
574 *
575 * Return:
576 * Success (LOOP_READY) : 0
577 * Failed (LOOP_NOT_READY) : 1
578 */
579 static inline int
580 qla2x00_wait_for_loop_ready(scsi_qla_host_t *ha)
581 {
582 int return_status = QLA_SUCCESS;
583 unsigned long loop_timeout ;
584
585 /* wait for 5 min at the max for loop to be ready */
586 loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
587
588 while ((!atomic_read(&ha->loop_down_timer) &&
589 atomic_read(&ha->loop_state) == LOOP_DOWN) ||
590 atomic_read(&ha->loop_state) != LOOP_READY) {
591 msleep(1000);
592 if (time_after_eq(jiffies, loop_timeout)) {
593 return_status = QLA_FUNCTION_FAILED;
594 break;
595 }
596 }
597 return (return_status);
598 }
599
600 /**************************************************************************
601 * qla2xxx_eh_abort
602 *
603 * Description:
604 * The abort function will abort the specified command.
605 *
606 * Input:
607 * cmd = Linux SCSI command packet to be aborted.
608 *
609 * Returns:
610 * Either SUCCESS or FAILED.
611 *
612 * Note:
613 **************************************************************************/
614 int
615 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
616 {
617 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
618 srb_t *sp;
619 int ret, i;
620 unsigned int id, lun;
621 unsigned long serial;
622 unsigned long flags;
623
624 if (!CMD_SP(cmd))
625 return FAILED;
626
627 ret = FAILED;
628
629 id = cmd->device->id;
630 lun = cmd->device->lun;
631 serial = cmd->serial_number;
632
633 /* Check active list for command command. */
634 spin_lock_irqsave(&ha->hardware_lock, flags);
635 for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
636 sp = ha->outstanding_cmds[i];
637
638 if (sp == NULL)
639 continue;
640
641 if (sp->cmd != cmd)
642 continue;
643
644 DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld "
645 "sp->state=%x\n", __func__, ha->host_no, sp, serial,
646 sp->state));
647 DEBUG3(qla2x00_print_scsi_cmd(cmd);)
648
649 spin_unlock_irqrestore(&ha->hardware_lock, flags);
650 if (ha->isp_ops.abort_command(ha, sp)) {
651 DEBUG2(printk("%s(%ld): abort_command "
652 "mbx failed.\n", __func__, ha->host_no));
653 } else {
654 DEBUG3(printk("%s(%ld): abort_command "
655 "mbx success.\n", __func__, ha->host_no));
656 ret = SUCCESS;
657 }
658 spin_lock_irqsave(&ha->hardware_lock, flags);
659
660 break;
661 }
662 spin_unlock_irqrestore(&ha->hardware_lock, flags);
663
664 /* Wait for the command to be returned. */
665 if (ret == SUCCESS) {
666 if (qla2x00_eh_wait_on_command(ha, cmd) != QLA_SUCCESS) {
667 qla_printk(KERN_ERR, ha,
668 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
669 "%x.\n", ha->host_no, id, lun, serial, ret);
670 }
671 }
672
673 qla_printk(KERN_INFO, ha,
674 "scsi(%ld:%d:%d): Abort command issued -- %lx %x.\n", ha->host_no,
675 id, lun, serial, ret);
676
677 return ret;
678 }
679
680 /**************************************************************************
681 * qla2x00_eh_wait_for_pending_target_commands
682 *
683 * Description:
684 * Waits for all the commands to come back from the specified target.
685 *
686 * Input:
687 * ha - pointer to scsi_qla_host structure.
688 * t - target
689 * Returns:
690 * Either SUCCESS or FAILED.
691 *
692 * Note:
693 **************************************************************************/
694 static int
695 qla2x00_eh_wait_for_pending_target_commands(scsi_qla_host_t *ha, unsigned int t)
696 {
697 int cnt;
698 int status;
699 srb_t *sp;
700 struct scsi_cmnd *cmd;
701 unsigned long flags;
702
703 status = 0;
704
705 /*
706 * Waiting for all commands for the designated target in the active
707 * array
708 */
709 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
710 spin_lock_irqsave(&ha->hardware_lock, flags);
711 sp = ha->outstanding_cmds[cnt];
712 if (sp) {
713 cmd = sp->cmd;
714 spin_unlock_irqrestore(&ha->hardware_lock, flags);
715 if (cmd->device->id == t) {
716 if (!qla2x00_eh_wait_on_command(ha, cmd)) {
717 status = 1;
718 break;
719 }
720 }
721 } else {
722 spin_unlock_irqrestore(&ha->hardware_lock, flags);
723 }
724 }
725 return (status);
726 }
727
728
729 /**************************************************************************
730 * qla2xxx_eh_device_reset
731 *
732 * Description:
733 * The device reset function will reset the target and abort any
734 * executing commands.
735 *
736 * NOTE: The use of SP is undefined within this context. Do *NOT*
737 * attempt to use this value, even if you determine it is
738 * non-null.
739 *
740 * Input:
741 * cmd = Linux SCSI command packet of the command that cause the
742 * bus device reset.
743 *
744 * Returns:
745 * SUCCESS/FAILURE (defined as macro in scsi.h).
746 *
747 **************************************************************************/
748 int
749 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
750 {
751 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
752 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
753 srb_t *sp;
754 int ret;
755 unsigned int id, lun;
756 unsigned long serial;
757
758 ret = FAILED;
759
760 id = cmd->device->id;
761 lun = cmd->device->lun;
762 serial = cmd->serial_number;
763
764 sp = (srb_t *) CMD_SP(cmd);
765 if (!sp || !fcport)
766 return ret;
767
768 qla_printk(KERN_INFO, ha,
769 "scsi(%ld:%d:%d): DEVICE RESET ISSUED.\n", ha->host_no, id, lun);
770
771 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
772 goto eh_dev_reset_done;
773
774 if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
775 if (qla2x00_device_reset(ha, fcport) == 0)
776 ret = SUCCESS;
777
778 #if defined(LOGOUT_AFTER_DEVICE_RESET)
779 if (ret == SUCCESS) {
780 if (fcport->flags & FC_FABRIC_DEVICE) {
781 ha->isp_ops.fabric_logout(ha, fcport->loop_id);
782 qla2x00_mark_device_lost(ha, fcport);
783 }
784 }
785 #endif
786 } else {
787 DEBUG2(printk(KERN_INFO
788 "%s failed: loop not ready\n",__func__);)
789 }
790
791 if (ret == FAILED) {
792 DEBUG3(printk("%s(%ld): device reset failed\n",
793 __func__, ha->host_no));
794 qla_printk(KERN_INFO, ha, "%s: device reset failed\n",
795 __func__);
796
797 goto eh_dev_reset_done;
798 }
799
800 /*
801 * If we are coming down the EH path, wait for all commands to
802 * complete for the device.
803 */
804 if (cmd->device->host->eh_active) {
805 if (qla2x00_eh_wait_for_pending_target_commands(ha, id))
806 ret = FAILED;
807
808 if (ret == FAILED) {
809 DEBUG3(printk("%s(%ld): failed while waiting for "
810 "commands\n", __func__, ha->host_no));
811 qla_printk(KERN_INFO, ha,
812 "%s: failed while waiting for commands\n",
813 __func__);
814
815 goto eh_dev_reset_done;
816 }
817 }
818
819 qla_printk(KERN_INFO, ha,
820 "scsi(%ld:%d:%d): DEVICE RESET SUCCEEDED.\n", ha->host_no, id, lun);
821
822 eh_dev_reset_done:
823 return ret;
824 }
825
826 /**************************************************************************
827 * qla2x00_eh_wait_for_pending_commands
828 *
829 * Description:
830 * Waits for all the commands to come back from the specified host.
831 *
832 * Input:
833 * ha - pointer to scsi_qla_host structure.
834 *
835 * Returns:
836 * 1 : SUCCESS
837 * 0 : FAILED
838 *
839 * Note:
840 **************************************************************************/
841 static int
842 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha)
843 {
844 int cnt;
845 int status;
846 srb_t *sp;
847 struct scsi_cmnd *cmd;
848 unsigned long flags;
849
850 status = 1;
851
852 /*
853 * Waiting for all commands for the designated target in the active
854 * array
855 */
856 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
857 spin_lock_irqsave(&ha->hardware_lock, flags);
858 sp = ha->outstanding_cmds[cnt];
859 if (sp) {
860 cmd = sp->cmd;
861 spin_unlock_irqrestore(&ha->hardware_lock, flags);
862 status = qla2x00_eh_wait_on_command(ha, cmd);
863 if (status == 0)
864 break;
865 }
866 else {
867 spin_unlock_irqrestore(&ha->hardware_lock, flags);
868 }
869 }
870 return (status);
871 }
872
873
874 /**************************************************************************
875 * qla2xxx_eh_bus_reset
876 *
877 * Description:
878 * The bus reset function will reset the bus and abort any executing
879 * commands.
880 *
881 * Input:
882 * cmd = Linux SCSI command packet of the command that cause the
883 * bus reset.
884 *
885 * Returns:
886 * SUCCESS/FAILURE (defined as macro in scsi.h).
887 *
888 **************************************************************************/
889 int
890 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
891 {
892 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
893 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
894 srb_t *sp;
895 int ret;
896 unsigned int id, lun;
897 unsigned long serial;
898
899 ret = FAILED;
900
901 id = cmd->device->id;
902 lun = cmd->device->lun;
903 serial = cmd->serial_number;
904
905 sp = (srb_t *) CMD_SP(cmd);
906 if (!sp || !fcport)
907 return ret;
908
909 qla_printk(KERN_INFO, ha,
910 "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha->host_no, id, lun);
911
912 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) {
913 DEBUG2(printk("%s failed:board disabled\n",__func__));
914 goto eh_bus_reset_done;
915 }
916
917 if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
918 if (qla2x00_loop_reset(ha) == QLA_SUCCESS)
919 ret = SUCCESS;
920 }
921 if (ret == FAILED)
922 goto eh_bus_reset_done;
923
924 /* Waiting for our command in done_queue to be returned to OS.*/
925 if (cmd->device->host->eh_active)
926 if (!qla2x00_eh_wait_for_pending_commands(ha))
927 ret = FAILED;
928
929 eh_bus_reset_done:
930 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
931 (ret == FAILED) ? "failed" : "succeded");
932
933 return ret;
934 }
935
936 /**************************************************************************
937 * qla2xxx_eh_host_reset
938 *
939 * Description:
940 * The reset function will reset the Adapter.
941 *
942 * Input:
943 * cmd = Linux SCSI command packet of the command that cause the
944 * adapter reset.
945 *
946 * Returns:
947 * Either SUCCESS or FAILED.
948 *
949 * Note:
950 **************************************************************************/
951 int
952 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
953 {
954 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
955 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
956 srb_t *sp;
957 int ret;
958 unsigned int id, lun;
959 unsigned long serial;
960
961 ret = FAILED;
962
963 id = cmd->device->id;
964 lun = cmd->device->lun;
965 serial = cmd->serial_number;
966
967 sp = (srb_t *) CMD_SP(cmd);
968 if (!sp || !fcport)
969 return ret;
970
971 qla_printk(KERN_INFO, ha,
972 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha->host_no, id, lun);
973
974 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
975 goto eh_host_reset_lock;
976
977 /*
978 * Fixme-may be dpc thread is active and processing
979 * loop_resync,so wait a while for it to
980 * be completed and then issue big hammer.Otherwise
981 * it may cause I/O failure as big hammer marks the
982 * devices as lost kicking of the port_down_timer
983 * while dpc is stuck for the mailbox to complete.
984 */
985 qla2x00_wait_for_loop_ready(ha);
986 set_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
987 if (qla2x00_abort_isp(ha)) {
988 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
989 /* failed. schedule dpc to try */
990 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
991
992 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
993 goto eh_host_reset_lock;
994 }
995 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
996
997 /* Waiting for our command in done_queue to be returned to OS.*/
998 if (qla2x00_eh_wait_for_pending_commands(ha))
999 ret = SUCCESS;
1000
1001 eh_host_reset_lock:
1002 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1003 (ret == FAILED) ? "failed" : "succeded");
1004
1005 return ret;
1006 }
1007
1008 /*
1009 * qla2x00_loop_reset
1010 * Issue loop reset.
1011 *
1012 * Input:
1013 * ha = adapter block pointer.
1014 *
1015 * Returns:
1016 * 0 = success
1017 */
1018 static int
1019 qla2x00_loop_reset(scsi_qla_host_t *ha)
1020 {
1021 int status = QLA_SUCCESS;
1022 struct fc_port *fcport;
1023
1024 if (ha->flags.enable_lip_reset) {
1025 status = qla2x00_lip_reset(ha);
1026 }
1027
1028 if (status == QLA_SUCCESS && ha->flags.enable_target_reset) {
1029 list_for_each_entry(fcport, &ha->fcports, list) {
1030 if (fcport->port_type != FCT_TARGET)
1031 continue;
1032
1033 status = qla2x00_device_reset(ha, fcport);
1034 if (status != QLA_SUCCESS)
1035 break;
1036 }
1037 }
1038
1039 if (status == QLA_SUCCESS &&
1040 ((!ha->flags.enable_target_reset &&
1041 !ha->flags.enable_lip_reset) ||
1042 ha->flags.enable_lip_full_login)) {
1043
1044 status = qla2x00_full_login_lip(ha);
1045 }
1046
1047 /* Issue marker command only when we are going to start the I/O */
1048 ha->marker_needed = 1;
1049
1050 if (status) {
1051 /* Empty */
1052 DEBUG2_3(printk("%s(%ld): **** FAILED ****\n",
1053 __func__,
1054 ha->host_no);)
1055 } else {
1056 /* Empty */
1057 DEBUG3(printk("%s(%ld): exiting normally.\n",
1058 __func__,
1059 ha->host_no);)
1060 }
1061
1062 return(status);
1063 }
1064
1065 /*
1066 * qla2x00_device_reset
1067 * Issue bus device reset message to the target.
1068 *
1069 * Input:
1070 * ha = adapter block pointer.
1071 * t = SCSI ID.
1072 * TARGET_QUEUE_LOCK must be released.
1073 * ADAPTER_STATE_LOCK must be released.
1074 *
1075 * Context:
1076 * Kernel context.
1077 */
1078 static int
1079 qla2x00_device_reset(scsi_qla_host_t *ha, fc_port_t *reset_fcport)
1080 {
1081 /* Abort Target command will clear Reservation */
1082 return ha->isp_ops.abort_target(reset_fcport);
1083 }
1084
1085 static int
1086 qla2xxx_slave_alloc(struct scsi_device *sdev)
1087 {
1088 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1089
1090 if (!rport)
1091 return -ENXIO;
1092
1093 sdev->hostdata = rport->dd_data;
1094
1095 return 0;
1096 }
1097
1098 static int
1099 qla2xxx_slave_configure(struct scsi_device *sdev)
1100 {
1101 scsi_qla_host_t *ha = to_qla_host(sdev->host);
1102 struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1103
1104 if (sdev->tagged_supported)
1105 scsi_activate_tcq(sdev, 32);
1106 else
1107 scsi_deactivate_tcq(sdev, 32);
1108
1109 rport->dev_loss_tmo = ha->port_down_retry_count + 5;
1110
1111 return 0;
1112 }
1113
1114 static void
1115 qla2xxx_slave_destroy(struct scsi_device *sdev)
1116 {
1117 sdev->hostdata = NULL;
1118 }
1119
1120 static int
1121 qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
1122 {
1123 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1124 return sdev->queue_depth;
1125 }
1126
1127 static int
1128 qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1129 {
1130 if (sdev->tagged_supported) {
1131 scsi_set_tag_type(sdev, tag_type);
1132 if (tag_type)
1133 scsi_activate_tcq(sdev, sdev->queue_depth);
1134 else
1135 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1136 } else
1137 tag_type = 0;
1138
1139 return tag_type;
1140 }
1141
1142 /**
1143 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1144 * @ha: HA context
1145 *
1146 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1147 * supported addressing method.
1148 */
1149 static void
1150 qla2x00_config_dma_addressing(scsi_qla_host_t *ha)
1151 {
1152 /* Assume a 32bit DMA mask. */
1153 ha->flags.enable_64bit_addressing = 0;
1154
1155 if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) {
1156 /* Any upper-dword bits set? */
1157 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1158 !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) {
1159 /* Ok, a 64bit DMA mask is applicable. */
1160 ha->flags.enable_64bit_addressing = 1;
1161 ha->isp_ops.calc_req_entries = qla2x00_calc_iocbs_64;
1162 ha->isp_ops.build_iocbs = qla2x00_build_scsi_iocbs_64;
1163 return;
1164 }
1165 }
1166
1167 dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK);
1168 pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK);
1169 }
1170
1171 static int
1172 qla2x00_iospace_config(scsi_qla_host_t *ha)
1173 {
1174 unsigned long pio, pio_len, pio_flags;
1175 unsigned long mmio, mmio_len, mmio_flags;
1176
1177 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1178 pio = pci_resource_start(ha->pdev, 0);
1179 pio_len = pci_resource_len(ha->pdev, 0);
1180 pio_flags = pci_resource_flags(ha->pdev, 0);
1181 if (pio_flags & IORESOURCE_IO) {
1182 if (pio_len < MIN_IOBASE_LEN) {
1183 qla_printk(KERN_WARNING, ha,
1184 "Invalid PCI I/O region size (%s)...\n",
1185 pci_name(ha->pdev));
1186 pio = 0;
1187 }
1188 } else {
1189 qla_printk(KERN_WARNING, ha,
1190 "region #0 not a PIO resource (%s)...\n",
1191 pci_name(ha->pdev));
1192 pio = 0;
1193 }
1194
1195 /* Use MMIO operations for all accesses. */
1196 mmio = pci_resource_start(ha->pdev, 1);
1197 mmio_len = pci_resource_len(ha->pdev, 1);
1198 mmio_flags = pci_resource_flags(ha->pdev, 1);
1199
1200 if (!(mmio_flags & IORESOURCE_MEM)) {
1201 qla_printk(KERN_ERR, ha,
1202 "region #0 not an MMIO resource (%s), aborting\n",
1203 pci_name(ha->pdev));
1204 goto iospace_error_exit;
1205 }
1206 if (mmio_len < MIN_IOBASE_LEN) {
1207 qla_printk(KERN_ERR, ha,
1208 "Invalid PCI mem region size (%s), aborting\n",
1209 pci_name(ha->pdev));
1210 goto iospace_error_exit;
1211 }
1212
1213 if (pci_request_regions(ha->pdev, ha->brd_info->drv_name)) {
1214 qla_printk(KERN_WARNING, ha,
1215 "Failed to reserve PIO/MMIO regions (%s)\n",
1216 pci_name(ha->pdev));
1217
1218 goto iospace_error_exit;
1219 }
1220
1221 ha->pio_address = pio;
1222 ha->pio_length = pio_len;
1223 ha->iobase = ioremap(mmio, MIN_IOBASE_LEN);
1224 if (!ha->iobase) {
1225 qla_printk(KERN_ERR, ha,
1226 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1227
1228 goto iospace_error_exit;
1229 }
1230
1231 return (0);
1232
1233 iospace_error_exit:
1234 return (-ENOMEM);
1235 }
1236
1237 static void
1238 qla2x00_enable_intrs(scsi_qla_host_t *ha)
1239 {
1240 unsigned long flags = 0;
1241 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1242
1243 spin_lock_irqsave(&ha->hardware_lock, flags);
1244 ha->interrupts_on = 1;
1245 /* enable risc and host interrupts */
1246 WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1247 RD_REG_WORD(&reg->ictrl);
1248 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1249
1250 }
1251
1252 static void
1253 qla2x00_disable_intrs(scsi_qla_host_t *ha)
1254 {
1255 unsigned long flags = 0;
1256 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1257
1258 spin_lock_irqsave(&ha->hardware_lock, flags);
1259 ha->interrupts_on = 0;
1260 /* disable risc and host interrupts */
1261 WRT_REG_WORD(&reg->ictrl, 0);
1262 RD_REG_WORD(&reg->ictrl);
1263 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1264 }
1265
1266 static void
1267 qla24xx_enable_intrs(scsi_qla_host_t *ha)
1268 {
1269 unsigned long flags = 0;
1270 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1271
1272 spin_lock_irqsave(&ha->hardware_lock, flags);
1273 ha->interrupts_on = 1;
1274 WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1275 RD_REG_DWORD(&reg->ictrl);
1276 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1277 }
1278
1279 static void
1280 qla24xx_disable_intrs(scsi_qla_host_t *ha)
1281 {
1282 unsigned long flags = 0;
1283 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1284
1285 spin_lock_irqsave(&ha->hardware_lock, flags);
1286 ha->interrupts_on = 0;
1287 WRT_REG_DWORD(&reg->ictrl, 0);
1288 RD_REG_DWORD(&reg->ictrl);
1289 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1290 }
1291
1292 /*
1293 * PCI driver interface
1294 */
1295 int qla2x00_probe_one(struct pci_dev *pdev, struct qla_board_info *brd_info)
1296 {
1297 int ret = -ENODEV;
1298 device_reg_t __iomem *reg;
1299 struct Scsi_Host *host;
1300 scsi_qla_host_t *ha;
1301 unsigned long flags = 0;
1302 unsigned long wait_switch = 0;
1303 char pci_info[20];
1304 char fw_str[30];
1305 fc_port_t *fcport;
1306
1307 if (pci_enable_device(pdev))
1308 goto probe_out;
1309
1310 host = scsi_host_alloc(brd_info->sht ? brd_info->sht:
1311 &qla2x00_driver_template, sizeof(scsi_qla_host_t));
1312 if (host == NULL) {
1313 printk(KERN_WARNING
1314 "qla2xxx: Couldn't allocate host from scsi layer!\n");
1315 goto probe_disable_device;
1316 }
1317
1318 /* Clear our data area */
1319 ha = (scsi_qla_host_t *)host->hostdata;
1320 memset(ha, 0, sizeof(scsi_qla_host_t));
1321
1322 ha->pdev = pdev;
1323 ha->host = host;
1324 ha->host_no = host->host_no;
1325 ha->brd_info = brd_info;
1326 sprintf(ha->host_str, "%s_%ld", ha->brd_info->drv_name, ha->host_no);
1327
1328 ha->dpc_pid = -1;
1329
1330 /* Configure PCI I/O space */
1331 ret = qla2x00_iospace_config(ha);
1332 if (ret)
1333 goto probe_failed;
1334
1335 qla_printk(KERN_INFO, ha,
1336 "Found an %s, irq %d, iobase 0x%p\n", ha->brd_info->isp_name,
1337 pdev->irq, ha->iobase);
1338
1339 spin_lock_init(&ha->hardware_lock);
1340
1341 ha->prev_topology = 0;
1342 ha->ports = MAX_BUSES;
1343 ha->init_cb_size = sizeof(init_cb_t);
1344 ha->mgmt_svr_loop_id = MANAGEMENT_SERVER;
1345
1346 /* Assign ISP specific operations. */
1347 ha->isp_ops.pci_config = qla2100_pci_config;
1348 ha->isp_ops.reset_chip = qla2x00_reset_chip;
1349 ha->isp_ops.chip_diag = qla2x00_chip_diag;
1350 ha->isp_ops.config_rings = qla2x00_config_rings;
1351 ha->isp_ops.reset_adapter = qla2x00_reset_adapter;
1352 ha->isp_ops.nvram_config = qla2x00_nvram_config;
1353 ha->isp_ops.update_fw_options = qla2x00_update_fw_options;
1354 ha->isp_ops.load_risc = qla2x00_load_risc;
1355 ha->isp_ops.pci_info_str = qla2x00_pci_info_str;
1356 ha->isp_ops.fw_version_str = qla2x00_fw_version_str;
1357 ha->isp_ops.intr_handler = qla2100_intr_handler;
1358 ha->isp_ops.enable_intrs = qla2x00_enable_intrs;
1359 ha->isp_ops.disable_intrs = qla2x00_disable_intrs;
1360 ha->isp_ops.abort_command = qla2x00_abort_command;
1361 ha->isp_ops.abort_target = qla2x00_abort_target;
1362 ha->isp_ops.fabric_login = qla2x00_login_fabric;
1363 ha->isp_ops.fabric_logout = qla2x00_fabric_logout;
1364 ha->isp_ops.calc_req_entries = qla2x00_calc_iocbs_32;
1365 ha->isp_ops.build_iocbs = qla2x00_build_scsi_iocbs_32;
1366 ha->isp_ops.prep_ms_iocb = qla2x00_prep_ms_iocb;
1367 ha->isp_ops.prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb;
1368 ha->isp_ops.read_nvram = qla2x00_read_nvram_data;
1369 ha->isp_ops.write_nvram = qla2x00_write_nvram_data;
1370 ha->isp_ops.fw_dump = qla2100_fw_dump;
1371 ha->isp_ops.ascii_fw_dump = qla2100_ascii_fw_dump;
1372 if (IS_QLA2100(ha)) {
1373 host->max_id = MAX_TARGETS_2100;
1374 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
1375 ha->request_q_length = REQUEST_ENTRY_CNT_2100;
1376 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1377 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
1378 host->sg_tablesize = 32;
1379 ha->gid_list_info_size = 4;
1380 } else if (IS_QLA2200(ha)) {
1381 host->max_id = MAX_TARGETS_2200;
1382 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1383 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1384 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1385 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
1386 ha->gid_list_info_size = 4;
1387 } else if (IS_QLA23XX(ha)) {
1388 host->max_id = MAX_TARGETS_2200;
1389 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1390 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1391 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1392 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1393 ha->isp_ops.pci_config = qla2300_pci_config;
1394 ha->isp_ops.intr_handler = qla2300_intr_handler;
1395 ha->isp_ops.fw_dump = qla2300_fw_dump;
1396 ha->isp_ops.ascii_fw_dump = qla2300_ascii_fw_dump;
1397 ha->gid_list_info_size = 6;
1398 } else if (IS_QLA24XX(ha) || IS_QLA25XX(ha)) {
1399 host->max_id = MAX_TARGETS_2200;
1400 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1401 ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
1402 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1403 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1404 ha->init_cb_size = sizeof(struct init_cb_24xx);
1405 ha->mgmt_svr_loop_id = 10;
1406 ha->isp_ops.pci_config = qla24xx_pci_config;
1407 ha->isp_ops.reset_chip = qla24xx_reset_chip;
1408 ha->isp_ops.chip_diag = qla24xx_chip_diag;
1409 ha->isp_ops.config_rings = qla24xx_config_rings;
1410 ha->isp_ops.reset_adapter = qla24xx_reset_adapter;
1411 ha->isp_ops.nvram_config = qla24xx_nvram_config;
1412 ha->isp_ops.update_fw_options = qla24xx_update_fw_options;
1413 ha->isp_ops.load_risc = qla24xx_load_risc_flash;
1414 if (ql2xfwloadbin)
1415 ha->isp_ops.load_risc = qla24xx_load_risc_hotplug;
1416 ha->isp_ops.pci_info_str = qla24xx_pci_info_str;
1417 ha->isp_ops.fw_version_str = qla24xx_fw_version_str;
1418 ha->isp_ops.intr_handler = qla24xx_intr_handler;
1419 ha->isp_ops.enable_intrs = qla24xx_enable_intrs;
1420 ha->isp_ops.disable_intrs = qla24xx_disable_intrs;
1421 ha->isp_ops.abort_command = qla24xx_abort_command;
1422 ha->isp_ops.abort_target = qla24xx_abort_target;
1423 ha->isp_ops.fabric_login = qla24xx_login_fabric;
1424 ha->isp_ops.fabric_logout = qla24xx_fabric_logout;
1425 ha->isp_ops.prep_ms_iocb = qla24xx_prep_ms_iocb;
1426 ha->isp_ops.prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb;
1427 ha->isp_ops.read_nvram = qla24xx_read_nvram_data;
1428 ha->isp_ops.write_nvram = qla24xx_write_nvram_data;
1429 ha->isp_ops.fw_dump = qla24xx_fw_dump;
1430 ha->isp_ops.ascii_fw_dump = qla24xx_ascii_fw_dump;
1431 ha->gid_list_info_size = 8;
1432 }
1433 host->can_queue = ha->request_q_length + 128;
1434
1435 /* load the F/W, read paramaters, and init the H/W */
1436 ha->instance = num_hosts;
1437
1438 init_MUTEX(&ha->mbx_cmd_sem);
1439 init_MUTEX_LOCKED(&ha->mbx_intr_sem);
1440
1441 INIT_LIST_HEAD(&ha->list);
1442 INIT_LIST_HEAD(&ha->fcports);
1443 INIT_LIST_HEAD(&ha->rscn_fcports);
1444
1445 /*
1446 * These locks are used to prevent more than one CPU
1447 * from modifying the queue at the same time. The
1448 * higher level "host_lock" will reduce most
1449 * contention for these locks.
1450 */
1451 spin_lock_init(&ha->mbx_reg_lock);
1452
1453 init_completion(&ha->dpc_inited);
1454 init_completion(&ha->dpc_exited);
1455
1456 qla2x00_config_dma_addressing(ha);
1457 if (qla2x00_mem_alloc(ha)) {
1458 qla_printk(KERN_WARNING, ha,
1459 "[ERROR] Failed to allocate memory for adapter\n");
1460
1461 ret = -ENOMEM;
1462 goto probe_failed;
1463 }
1464
1465 if (qla2x00_initialize_adapter(ha) &&
1466 !(ha->device_flags & DFLG_NO_CABLE)) {
1467
1468 qla_printk(KERN_WARNING, ha,
1469 "Failed to initialize adapter\n");
1470
1471 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1472 "Adapter flags %x.\n",
1473 ha->host_no, ha->device_flags));
1474
1475 ret = -ENODEV;
1476 goto probe_failed;
1477 }
1478
1479 /*
1480 * Startup the kernel thread for this host adapter
1481 */
1482 ha->dpc_should_die = 0;
1483 ha->dpc_pid = kernel_thread(qla2x00_do_dpc, ha, 0);
1484 if (ha->dpc_pid < 0) {
1485 qla_printk(KERN_WARNING, ha,
1486 "Unable to start DPC thread!\n");
1487
1488 ret = -ENODEV;
1489 goto probe_failed;
1490 }
1491 wait_for_completion(&ha->dpc_inited);
1492
1493 host->this_id = 255;
1494 host->cmd_per_lun = 3;
1495 host->unique_id = ha->instance;
1496 host->max_cmd_len = MAX_CMDSZ;
1497 host->max_channel = ha->ports - 1;
1498 host->max_lun = MAX_LUNS;
1499 host->transportt = qla2xxx_transport_template;
1500
1501 ret = request_irq(pdev->irq, ha->isp_ops.intr_handler,
1502 SA_INTERRUPT|SA_SHIRQ, ha->brd_info->drv_name, ha);
1503 if (ret) {
1504 qla_printk(KERN_WARNING, ha,
1505 "Failed to reserve interrupt %d already in use.\n",
1506 pdev->irq);
1507 goto probe_failed;
1508 }
1509 host->irq = pdev->irq;
1510
1511 /* Initialized the timer */
1512 qla2x00_start_timer(ha, qla2x00_timer, WATCH_INTERVAL);
1513
1514 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
1515 ha->host_no, ha));
1516
1517 ha->isp_ops.disable_intrs(ha);
1518
1519 spin_lock_irqsave(&ha->hardware_lock, flags);
1520 reg = ha->iobase;
1521 if (IS_QLA24XX(ha) || IS_QLA25XX(ha)) {
1522 WRT_REG_DWORD(&reg->isp24.hccr, HCCRX_CLR_HOST_INT);
1523 WRT_REG_DWORD(&reg->isp24.hccr, HCCRX_CLR_RISC_INT);
1524 } else {
1525 WRT_REG_WORD(&reg->isp.semaphore, 0);
1526 WRT_REG_WORD(&reg->isp.hccr, HCCR_CLR_RISC_INT);
1527 WRT_REG_WORD(&reg->isp.hccr, HCCR_CLR_HOST_INT);
1528
1529 /* Enable proper parity */
1530 if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1531 if (IS_QLA2300(ha))
1532 /* SRAM parity */
1533 WRT_REG_WORD(&reg->isp.hccr,
1534 (HCCR_ENABLE_PARITY + 0x1));
1535 else
1536 /* SRAM, Instruction RAM and GP RAM parity */
1537 WRT_REG_WORD(&reg->isp.hccr,
1538 (HCCR_ENABLE_PARITY + 0x7));
1539 }
1540 }
1541 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1542
1543 ha->isp_ops.enable_intrs(ha);
1544
1545 /* v2.19.5b6 */
1546 /*
1547 * Wait around max loop_reset_delay secs for the devices to come
1548 * on-line. We don't want Linux scanning before we are ready.
1549 *
1550 */
1551 for (wait_switch = jiffies + (ha->loop_reset_delay * HZ);
1552 time_before(jiffies,wait_switch) &&
1553 !(ha->device_flags & (DFLG_NO_CABLE | DFLG_FABRIC_DEVICES))
1554 && (ha->device_flags & SWITCH_FOUND) ;) {
1555
1556 qla2x00_check_fabric_devices(ha);
1557
1558 msleep(10);
1559 }
1560
1561 pci_set_drvdata(pdev, ha);
1562 ha->flags.init_done = 1;
1563 num_hosts++;
1564
1565 ret = scsi_add_host(host, &pdev->dev);
1566 if (ret)
1567 goto probe_failed;
1568
1569 qla2x00_alloc_sysfs_attr(ha);
1570
1571 qla2x00_init_host_attr(ha);
1572
1573 qla_printk(KERN_INFO, ha, "\n"
1574 " QLogic Fibre Channel HBA Driver: %s\n"
1575 " QLogic %s - %s\n"
1576 " %s: %s @ %s hdma%c, host#=%ld, fw=%s\n", qla2x00_version_str,
1577 ha->model_number, ha->model_desc ? ha->model_desc: "",
1578 ha->brd_info->isp_name, ha->isp_ops.pci_info_str(ha, pci_info),
1579 pci_name(pdev), ha->flags.enable_64bit_addressing ? '+': '-',
1580 ha->host_no, ha->isp_ops.fw_version_str(ha, fw_str));
1581
1582 /* Go with fc_rport registration. */
1583 list_for_each_entry(fcport, &ha->fcports, list)
1584 qla2x00_reg_remote_port(ha, fcport);
1585
1586 return 0;
1587
1588 probe_failed:
1589 qla2x00_free_device(ha);
1590
1591 scsi_host_put(host);
1592
1593 probe_disable_device:
1594 pci_disable_device(pdev);
1595
1596 probe_out:
1597 return ret;
1598 }
1599 EXPORT_SYMBOL_GPL(qla2x00_probe_one);
1600
1601 void qla2x00_remove_one(struct pci_dev *pdev)
1602 {
1603 scsi_qla_host_t *ha;
1604
1605 ha = pci_get_drvdata(pdev);
1606
1607 qla2x00_free_sysfs_attr(ha);
1608
1609 fc_remove_host(ha->host);
1610
1611 scsi_remove_host(ha->host);
1612
1613 qla2x00_free_device(ha);
1614
1615 scsi_host_put(ha->host);
1616
1617 pci_set_drvdata(pdev, NULL);
1618 }
1619 EXPORT_SYMBOL_GPL(qla2x00_remove_one);
1620
1621 static void
1622 qla2x00_free_device(scsi_qla_host_t *ha)
1623 {
1624 int ret;
1625
1626 /* Abort any outstanding IO descriptors. */
1627 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
1628 qla2x00_cancel_io_descriptors(ha);
1629
1630 /* Disable timer */
1631 if (ha->timer_active)
1632 qla2x00_stop_timer(ha);
1633
1634 /* Kill the kernel thread for this host */
1635 if (ha->dpc_pid >= 0) {
1636 ha->dpc_should_die = 1;
1637 wmb();
1638 ret = kill_proc(ha->dpc_pid, SIGHUP, 1);
1639 if (ret) {
1640 qla_printk(KERN_ERR, ha,
1641 "Unable to signal DPC thread -- (%d)\n", ret);
1642
1643 /* TODO: SOMETHING MORE??? */
1644 } else {
1645 wait_for_completion(&ha->dpc_exited);
1646 }
1647 }
1648
1649 /* Stop currently executing firmware. */
1650 qla2x00_stop_firmware(ha);
1651
1652 /* turn-off interrupts on the card */
1653 if (ha->interrupts_on)
1654 ha->isp_ops.disable_intrs(ha);
1655
1656 qla2x00_mem_free(ha);
1657
1658 ha->flags.online = 0;
1659
1660 /* Detach interrupts */
1661 if (ha->pdev->irq)
1662 free_irq(ha->pdev->irq, ha);
1663
1664 /* release io space registers */
1665 if (ha->iobase)
1666 iounmap(ha->iobase);
1667 pci_release_regions(ha->pdev);
1668
1669 pci_disable_device(ha->pdev);
1670 }
1671
1672 /*
1673 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
1674 *
1675 * Input: ha = adapter block pointer. fcport = port structure pointer.
1676 *
1677 * Return: None.
1678 *
1679 * Context:
1680 */
1681 void qla2x00_mark_device_lost(scsi_qla_host_t *ha, fc_port_t *fcport,
1682 int do_login)
1683 {
1684 if (atomic_read(&fcport->state) == FCS_ONLINE && fcport->rport)
1685 fc_remote_port_block(fcport->rport);
1686 /*
1687 * We may need to retry the login, so don't change the state of the
1688 * port but do the retries.
1689 */
1690 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
1691 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1692
1693 if (!do_login)
1694 return;
1695
1696 if (fcport->login_retry == 0) {
1697 fcport->login_retry = ha->login_retry_count;
1698 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
1699
1700 DEBUG(printk("scsi(%ld): Port login retry: "
1701 "%02x%02x%02x%02x%02x%02x%02x%02x, "
1702 "id = 0x%04x retry cnt=%d\n",
1703 ha->host_no,
1704 fcport->port_name[0],
1705 fcport->port_name[1],
1706 fcport->port_name[2],
1707 fcport->port_name[3],
1708 fcport->port_name[4],
1709 fcport->port_name[5],
1710 fcport->port_name[6],
1711 fcport->port_name[7],
1712 fcport->loop_id,
1713 fcport->login_retry));
1714 }
1715 }
1716
1717 /*
1718 * qla2x00_mark_all_devices_lost
1719 * Updates fcport state when device goes offline.
1720 *
1721 * Input:
1722 * ha = adapter block pointer.
1723 * fcport = port structure pointer.
1724 *
1725 * Return:
1726 * None.
1727 *
1728 * Context:
1729 */
1730 void
1731 qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha)
1732 {
1733 fc_port_t *fcport;
1734
1735 list_for_each_entry(fcport, &ha->fcports, list) {
1736 if (fcport->port_type != FCT_TARGET)
1737 continue;
1738
1739 /*
1740 * No point in marking the device as lost, if the device is
1741 * already DEAD.
1742 */
1743 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
1744 continue;
1745 if (atomic_read(&fcport->state) == FCS_ONLINE && fcport->rport)
1746 fc_remote_port_block(fcport->rport);
1747 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1748 }
1749 }
1750
1751 /*
1752 * qla2x00_mem_alloc
1753 * Allocates adapter memory.
1754 *
1755 * Returns:
1756 * 0 = success.
1757 * 1 = failure.
1758 */
1759 static uint8_t
1760 qla2x00_mem_alloc(scsi_qla_host_t *ha)
1761 {
1762 char name[16];
1763 uint8_t status = 1;
1764 int retry= 10;
1765
1766 do {
1767 /*
1768 * This will loop only once if everything goes well, else some
1769 * number of retries will be performed to get around a kernel
1770 * bug where available mem is not allocated until after a
1771 * little delay and a retry.
1772 */
1773 ha->request_ring = dma_alloc_coherent(&ha->pdev->dev,
1774 (ha->request_q_length + 1) * sizeof(request_t),
1775 &ha->request_dma, GFP_KERNEL);
1776 if (ha->request_ring == NULL) {
1777 qla_printk(KERN_WARNING, ha,
1778 "Memory Allocation failed - request_ring\n");
1779
1780 qla2x00_mem_free(ha);
1781 msleep(100);
1782
1783 continue;
1784 }
1785
1786 ha->response_ring = dma_alloc_coherent(&ha->pdev->dev,
1787 (ha->response_q_length + 1) * sizeof(response_t),
1788 &ha->response_dma, GFP_KERNEL);
1789 if (ha->response_ring == NULL) {
1790 qla_printk(KERN_WARNING, ha,
1791 "Memory Allocation failed - response_ring\n");
1792
1793 qla2x00_mem_free(ha);
1794 msleep(100);
1795
1796 continue;
1797 }
1798
1799 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
1800 &ha->gid_list_dma, GFP_KERNEL);
1801 if (ha->gid_list == NULL) {
1802 qla_printk(KERN_WARNING, ha,
1803 "Memory Allocation failed - gid_list\n");
1804
1805 qla2x00_mem_free(ha);
1806 msleep(100);
1807
1808 continue;
1809 }
1810
1811 ha->rlc_rsp = dma_alloc_coherent(&ha->pdev->dev,
1812 sizeof(rpt_lun_cmd_rsp_t), &ha->rlc_rsp_dma, GFP_KERNEL);
1813 if (ha->rlc_rsp == NULL) {
1814 qla_printk(KERN_WARNING, ha,
1815 "Memory Allocation failed - rlc");
1816
1817 qla2x00_mem_free(ha);
1818 msleep(100);
1819
1820 continue;
1821 }
1822
1823 snprintf(name, sizeof(name), "qla2xxx_%ld", ha->host_no);
1824 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
1825 DMA_POOL_SIZE, 8, 0);
1826 if (ha->s_dma_pool == NULL) {
1827 qla_printk(KERN_WARNING, ha,
1828 "Memory Allocation failed - s_dma_pool\n");
1829
1830 qla2x00_mem_free(ha);
1831 msleep(100);
1832
1833 continue;
1834 }
1835
1836 /* get consistent memory allocated for init control block */
1837 ha->init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
1838 &ha->init_cb_dma);
1839 if (ha->init_cb == NULL) {
1840 qla_printk(KERN_WARNING, ha,
1841 "Memory Allocation failed - init_cb\n");
1842
1843 qla2x00_mem_free(ha);
1844 msleep(100);
1845
1846 continue;
1847 }
1848 memset(ha->init_cb, 0, ha->init_cb_size);
1849
1850 /* Get consistent memory allocated for Get Port Database cmd */
1851 ha->iodesc_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
1852 &ha->iodesc_pd_dma);
1853 if (ha->iodesc_pd == NULL) {
1854 /* error */
1855 qla_printk(KERN_WARNING, ha,
1856 "Memory Allocation failed - iodesc_pd\n");
1857
1858 qla2x00_mem_free(ha);
1859 msleep(100);
1860
1861 continue;
1862 }
1863 memset(ha->iodesc_pd, 0, PORT_DATABASE_SIZE);
1864
1865 /* Allocate ioctl related memory. */
1866 if (qla2x00_alloc_ioctl_mem(ha)) {
1867 qla_printk(KERN_WARNING, ha,
1868 "Memory Allocation failed - ioctl_mem\n");
1869
1870 qla2x00_mem_free(ha);
1871 msleep(100);
1872
1873 continue;
1874 }
1875
1876 if (qla2x00_allocate_sp_pool(ha)) {
1877 qla_printk(KERN_WARNING, ha,
1878 "Memory Allocation failed - "
1879 "qla2x00_allocate_sp_pool()\n");
1880
1881 qla2x00_mem_free(ha);
1882 msleep(100);
1883
1884 continue;
1885 }
1886
1887 /* Allocate memory for SNS commands */
1888 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1889 /* Get consistent memory allocated for SNS commands */
1890 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
1891 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma,
1892 GFP_KERNEL);
1893 if (ha->sns_cmd == NULL) {
1894 /* error */
1895 qla_printk(KERN_WARNING, ha,
1896 "Memory Allocation failed - sns_cmd\n");
1897
1898 qla2x00_mem_free(ha);
1899 msleep(100);
1900
1901 continue;
1902 }
1903 memset(ha->sns_cmd, 0, sizeof(struct sns_cmd_pkt));
1904 } else {
1905 /* Get consistent memory allocated for MS IOCB */
1906 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
1907 &ha->ms_iocb_dma);
1908 if (ha->ms_iocb == NULL) {
1909 /* error */
1910 qla_printk(KERN_WARNING, ha,
1911 "Memory Allocation failed - ms_iocb\n");
1912
1913 qla2x00_mem_free(ha);
1914 msleep(100);
1915
1916 continue;
1917 }
1918 memset(ha->ms_iocb, 0, sizeof(ms_iocb_entry_t));
1919
1920 /*
1921 * Get consistent memory allocated for CT SNS
1922 * commands
1923 */
1924 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
1925 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma,
1926 GFP_KERNEL);
1927 if (ha->ct_sns == NULL) {
1928 /* error */
1929 qla_printk(KERN_WARNING, ha,
1930 "Memory Allocation failed - ct_sns\n");
1931
1932 qla2x00_mem_free(ha);
1933 msleep(100);
1934
1935 continue;
1936 }
1937 memset(ha->ct_sns, 0, sizeof(struct ct_sns_pkt));
1938 }
1939
1940 /* Done all allocations without any error. */
1941 status = 0;
1942
1943 } while (retry-- && status != 0);
1944
1945 if (status) {
1946 printk(KERN_WARNING
1947 "%s(): **** FAILED ****\n", __func__);
1948 }
1949
1950 return(status);
1951 }
1952
1953 /*
1954 * qla2x00_mem_free
1955 * Frees all adapter allocated memory.
1956 *
1957 * Input:
1958 * ha = adapter block pointer.
1959 */
1960 static void
1961 qla2x00_mem_free(scsi_qla_host_t *ha)
1962 {
1963 struct list_head *fcpl, *fcptemp;
1964 fc_port_t *fcport;
1965 unsigned int wtime;/* max wait time if mbx cmd is busy. */
1966
1967 if (ha == NULL) {
1968 /* error */
1969 DEBUG2(printk("%s(): ERROR invalid ha pointer.\n", __func__));
1970 return;
1971 }
1972
1973 /* Make sure all other threads are stopped. */
1974 wtime = 60 * 1000;
1975 while (ha->dpc_wait && wtime)
1976 wtime = msleep_interruptible(wtime);
1977
1978 /* free ioctl memory */
1979 qla2x00_free_ioctl_mem(ha);
1980
1981 /* free sp pool */
1982 qla2x00_free_sp_pool(ha);
1983
1984 if (ha->sns_cmd)
1985 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
1986 ha->sns_cmd, ha->sns_cmd_dma);
1987
1988 if (ha->ct_sns)
1989 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
1990 ha->ct_sns, ha->ct_sns_dma);
1991
1992 if (ha->ms_iocb)
1993 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
1994
1995 if (ha->iodesc_pd)
1996 dma_pool_free(ha->s_dma_pool, ha->iodesc_pd, ha->iodesc_pd_dma);
1997
1998 if (ha->init_cb)
1999 dma_pool_free(ha->s_dma_pool, ha->init_cb, ha->init_cb_dma);
2000
2001 if (ha->s_dma_pool)
2002 dma_pool_destroy(ha->s_dma_pool);
2003
2004 if (ha->rlc_rsp)
2005 dma_free_coherent(&ha->pdev->dev,
2006 sizeof(rpt_lun_cmd_rsp_t), ha->rlc_rsp,
2007 ha->rlc_rsp_dma);
2008
2009 if (ha->gid_list)
2010 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2011 ha->gid_list_dma);
2012
2013 if (ha->response_ring)
2014 dma_free_coherent(&ha->pdev->dev,
2015 (ha->response_q_length + 1) * sizeof(response_t),
2016 ha->response_ring, ha->response_dma);
2017
2018 if (ha->request_ring)
2019 dma_free_coherent(&ha->pdev->dev,
2020 (ha->request_q_length + 1) * sizeof(request_t),
2021 ha->request_ring, ha->request_dma);
2022
2023 ha->sns_cmd = NULL;
2024 ha->sns_cmd_dma = 0;
2025 ha->ct_sns = NULL;
2026 ha->ct_sns_dma = 0;
2027 ha->ms_iocb = NULL;
2028 ha->ms_iocb_dma = 0;
2029 ha->iodesc_pd = NULL;
2030 ha->iodesc_pd_dma = 0;
2031 ha->init_cb = NULL;
2032 ha->init_cb_dma = 0;
2033
2034 ha->s_dma_pool = NULL;
2035
2036 ha->rlc_rsp = NULL;
2037 ha->rlc_rsp_dma = 0;
2038 ha->gid_list = NULL;
2039 ha->gid_list_dma = 0;
2040
2041 ha->response_ring = NULL;
2042 ha->response_dma = 0;
2043 ha->request_ring = NULL;
2044 ha->request_dma = 0;
2045
2046 list_for_each_safe(fcpl, fcptemp, &ha->fcports) {
2047 fcport = list_entry(fcpl, fc_port_t, list);
2048
2049 /* fc ports */
2050 list_del_init(&fcport->list);
2051 kfree(fcport);
2052 }
2053 INIT_LIST_HEAD(&ha->fcports);
2054
2055 if (ha->fw_dump)
2056 free_pages((unsigned long)ha->fw_dump, ha->fw_dump_order);
2057
2058 vfree(ha->fw_dump24);
2059
2060 vfree(ha->fw_dump_buffer);
2061
2062 ha->fw_dump = NULL;
2063 ha->fw_dump24 = NULL;
2064 ha->fw_dumped = 0;
2065 ha->fw_dump_reading = 0;
2066 ha->fw_dump_buffer = NULL;
2067 }
2068
2069 /*
2070 * qla2x00_allocate_sp_pool
2071 * This routine is called during initialization to allocate
2072 * memory for local srb_t.
2073 *
2074 * Input:
2075 * ha = adapter block pointer.
2076 *
2077 * Context:
2078 * Kernel context.
2079 *
2080 * Note: Sets the ref_count for non Null sp to one.
2081 */
2082 static int
2083 qla2x00_allocate_sp_pool(scsi_qla_host_t *ha)
2084 {
2085 int rval;
2086
2087 rval = QLA_SUCCESS;
2088 ha->srb_mempool = mempool_create(SRB_MIN_REQ, mempool_alloc_slab,
2089 mempool_free_slab, srb_cachep);
2090 if (ha->srb_mempool == NULL) {
2091 qla_printk(KERN_INFO, ha, "Unable to allocate SRB mempool.\n");
2092 rval = QLA_FUNCTION_FAILED;
2093 }
2094 return (rval);
2095 }
2096
2097 /*
2098 * This routine frees all adapter allocated memory.
2099 *
2100 */
2101 static void
2102 qla2x00_free_sp_pool( scsi_qla_host_t *ha)
2103 {
2104 if (ha->srb_mempool) {
2105 mempool_destroy(ha->srb_mempool);
2106 ha->srb_mempool = NULL;
2107 }
2108 }
2109
2110 /**************************************************************************
2111 * qla2x00_do_dpc
2112 * This kernel thread is a task that is schedule by the interrupt handler
2113 * to perform the background processing for interrupts.
2114 *
2115 * Notes:
2116 * This task always run in the context of a kernel thread. It
2117 * is kick-off by the driver's detect code and starts up
2118 * up one per adapter. It immediately goes to sleep and waits for
2119 * some fibre event. When either the interrupt handler or
2120 * the timer routine detects a event it will one of the task
2121 * bits then wake us up.
2122 **************************************************************************/
2123 static int
2124 qla2x00_do_dpc(void *data)
2125 {
2126 DECLARE_MUTEX_LOCKED(sem);
2127 scsi_qla_host_t *ha;
2128 fc_port_t *fcport;
2129 uint8_t status;
2130 uint16_t next_loopid;
2131
2132 ha = (scsi_qla_host_t *)data;
2133
2134 lock_kernel();
2135
2136 daemonize("%s_dpc", ha->host_str);
2137 allow_signal(SIGHUP);
2138
2139 ha->dpc_wait = &sem;
2140
2141 set_user_nice(current, -20);
2142
2143 unlock_kernel();
2144
2145 complete(&ha->dpc_inited);
2146
2147 while (1) {
2148 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2149
2150 if (down_interruptible(&sem))
2151 break;
2152
2153 if (ha->dpc_should_die)
2154 break;
2155
2156 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2157
2158 /* Initialization not yet finished. Don't do anything yet. */
2159 if (!ha->flags.init_done || ha->dpc_active)
2160 continue;
2161
2162 DEBUG3(printk("scsi(%ld): DPC handler\n", ha->host_no));
2163
2164 ha->dpc_active = 1;
2165
2166 if (ha->flags.mbox_busy) {
2167 ha->dpc_active = 0;
2168 continue;
2169 }
2170
2171 if (test_and_clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
2172
2173 DEBUG(printk("scsi(%ld): dpc: sched "
2174 "qla2x00_abort_isp ha = %p\n",
2175 ha->host_no, ha));
2176 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
2177 &ha->dpc_flags))) {
2178
2179 if (qla2x00_abort_isp(ha)) {
2180 /* failed. retry later */
2181 set_bit(ISP_ABORT_NEEDED,
2182 &ha->dpc_flags);
2183 }
2184 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2185 }
2186 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
2187 ha->host_no));
2188 }
2189
2190 if (test_and_clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) &&
2191 (!(test_and_set_bit(RESET_ACTIVE, &ha->dpc_flags)))) {
2192
2193 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
2194 ha->host_no));
2195
2196 qla2x00_rst_aen(ha);
2197 clear_bit(RESET_ACTIVE, &ha->dpc_flags);
2198 }
2199
2200 /* Retry each device up to login retry count */
2201 if ((test_and_clear_bit(RELOGIN_NEEDED, &ha->dpc_flags)) &&
2202 !test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) &&
2203 atomic_read(&ha->loop_state) != LOOP_DOWN) {
2204
2205 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
2206 ha->host_no));
2207
2208 next_loopid = 0;
2209 list_for_each_entry(fcport, &ha->fcports, list) {
2210 if (fcport->port_type != FCT_TARGET)
2211 continue;
2212
2213 /*
2214 * If the port is not ONLINE then try to login
2215 * to it if we haven't run out of retries.
2216 */
2217 if (atomic_read(&fcport->state) != FCS_ONLINE &&
2218 fcport->login_retry) {
2219
2220 fcport->login_retry--;
2221 if (fcport->flags & FCF_FABRIC_DEVICE) {
2222 if (fcport->flags &
2223 FCF_TAPE_PRESENT)
2224 ha->isp_ops.fabric_logout(
2225 ha, fcport->loop_id,
2226 fcport->d_id.b.domain,
2227 fcport->d_id.b.area,
2228 fcport->d_id.b.al_pa);
2229 status = qla2x00_fabric_login(
2230 ha, fcport, &next_loopid);
2231 } else
2232 status =
2233 qla2x00_local_device_login(
2234 ha, fcport->loop_id);
2235
2236 if (status == QLA_SUCCESS) {
2237 fcport->old_loop_id = fcport->loop_id;
2238
2239 DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n",
2240 ha->host_no, fcport->loop_id));
2241
2242 fcport->port_login_retry_count =
2243 ha->port_down_retry_count * PORT_RETRY_TIME;
2244 atomic_set(&fcport->state, FCS_ONLINE);
2245 atomic_set(&fcport->port_down_timer,
2246 ha->port_down_retry_count * PORT_RETRY_TIME);
2247
2248 fcport->login_retry = 0;
2249 } else if (status == 1) {
2250 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
2251 /* retry the login again */
2252 DEBUG(printk("scsi(%ld): Retrying %d login again loop_id 0x%x\n",
2253 ha->host_no,
2254 fcport->login_retry, fcport->loop_id));
2255 } else {
2256 fcport->login_retry = 0;
2257 }
2258 }
2259 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2260 break;
2261 }
2262 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
2263 ha->host_no));
2264 }
2265
2266 if ((test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags)) &&
2267 atomic_read(&ha->loop_state) != LOOP_DOWN) {
2268
2269 clear_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags);
2270 DEBUG(printk("scsi(%ld): qla2x00_login_retry()\n",
2271 ha->host_no));
2272
2273 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
2274
2275 DEBUG(printk("scsi(%ld): qla2x00_login_retry - end\n",
2276 ha->host_no));
2277 }
2278
2279 if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
2280
2281 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
2282 ha->host_no));
2283
2284 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
2285 &ha->dpc_flags))) {
2286
2287 qla2x00_loop_resync(ha);
2288
2289 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
2290 }
2291
2292 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
2293 ha->host_no));
2294 }
2295
2296 if (test_and_clear_bit(FCPORT_RESCAN_NEEDED, &ha->dpc_flags)) {
2297
2298 DEBUG(printk("scsi(%ld): Rescan flagged fcports...\n",
2299 ha->host_no));
2300
2301 qla2x00_rescan_fcports(ha);
2302
2303 DEBUG(printk("scsi(%ld): Rescan flagged fcports..."
2304 "end.\n",
2305 ha->host_no));
2306 }
2307
2308 if (!ha->interrupts_on)
2309 ha->isp_ops.enable_intrs(ha);
2310
2311 ha->dpc_active = 0;
2312 } /* End of while(1) */
2313
2314 DEBUG(printk("scsi(%ld): DPC handler exiting\n", ha->host_no));
2315
2316 /*
2317 * Make sure that nobody tries to wake us up again.
2318 */
2319 ha->dpc_wait = NULL;
2320 ha->dpc_active = 0;
2321
2322 complete_and_exit(&ha->dpc_exited, 0);
2323 }
2324
2325 /*
2326 * qla2x00_rst_aen
2327 * Processes asynchronous reset.
2328 *
2329 * Input:
2330 * ha = adapter block pointer.
2331 */
2332 static void
2333 qla2x00_rst_aen(scsi_qla_host_t *ha)
2334 {
2335 if (ha->flags.online && !ha->flags.reset_active &&
2336 !atomic_read(&ha->loop_down_timer) &&
2337 !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) {
2338 do {
2339 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
2340
2341 /*
2342 * Issue marker command only when we are going to start
2343 * the I/O.
2344 */
2345 ha->marker_needed = 1;
2346 } while (!atomic_read(&ha->loop_down_timer) &&
2347 (test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags)));
2348 }
2349 }
2350
2351 static void
2352 qla2x00_sp_free_dma(scsi_qla_host_t *ha, srb_t *sp)
2353 {
2354 struct scsi_cmnd *cmd = sp->cmd;
2355
2356 if (sp->flags & SRB_DMA_VALID) {
2357 if (cmd->use_sg) {
2358 dma_unmap_sg(&ha->pdev->dev, cmd->request_buffer,
2359 cmd->use_sg, cmd->sc_data_direction);
2360 } else if (cmd->request_bufflen) {
2361 dma_unmap_single(&ha->pdev->dev, sp->dma_handle,
2362 cmd->request_bufflen, cmd->sc_data_direction);
2363 }
2364 sp->flags &= ~SRB_DMA_VALID;
2365 }
2366 CMD_SP(cmd) = NULL;
2367 }
2368
2369 void
2370 qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *sp)
2371 {
2372 struct scsi_cmnd *cmd = sp->cmd;
2373
2374 qla2x00_sp_free_dma(ha, sp);
2375
2376 mempool_free(sp, ha->srb_mempool);
2377
2378 cmd->scsi_done(cmd);
2379 }
2380
2381 /**************************************************************************
2382 * qla2x00_timer
2383 *
2384 * Description:
2385 * One second timer
2386 *
2387 * Context: Interrupt
2388 ***************************************************************************/
2389 static void
2390 qla2x00_timer(scsi_qla_host_t *ha)
2391 {
2392 unsigned long cpu_flags = 0;
2393 fc_port_t *fcport;
2394 int start_dpc = 0;
2395 int index;
2396 srb_t *sp;
2397 int t;
2398
2399 /*
2400 * Ports - Port down timer.
2401 *
2402 * Whenever, a port is in the LOST state we start decrementing its port
2403 * down timer every second until it reaches zero. Once it reaches zero
2404 * the port it marked DEAD.
2405 */
2406 t = 0;
2407 list_for_each_entry(fcport, &ha->fcports, list) {
2408 if (fcport->port_type != FCT_TARGET)
2409 continue;
2410
2411 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2412
2413 if (atomic_read(&fcport->port_down_timer) == 0)
2414 continue;
2415
2416 if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
2417 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
2418
2419 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
2420 "%d remaining\n",
2421 ha->host_no,
2422 t, atomic_read(&fcport->port_down_timer)));
2423 }
2424 t++;
2425 } /* End of for fcport */
2426
2427
2428 /* Loop down handler. */
2429 if (atomic_read(&ha->loop_down_timer) > 0 &&
2430 !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) && ha->flags.online) {
2431
2432 if (atomic_read(&ha->loop_down_timer) ==
2433 ha->loop_down_abort_time) {
2434
2435 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2436 "queues before time expire\n",
2437 ha->host_no));
2438
2439 if (!IS_QLA2100(ha) && ha->link_down_timeout)
2440 atomic_set(&ha->loop_state, LOOP_DEAD);
2441
2442 /* Schedule an ISP abort to return any tape commands. */
2443 spin_lock_irqsave(&ha->hardware_lock, cpu_flags);
2444 for (index = 1; index < MAX_OUTSTANDING_COMMANDS;
2445 index++) {
2446 fc_port_t *sfcp;
2447
2448 sp = ha->outstanding_cmds[index];
2449 if (!sp)
2450 continue;
2451 sfcp = sp->fcport;
2452 if (!(sfcp->flags & FCF_TAPE_PRESENT))
2453 continue;
2454
2455 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
2456 break;
2457 }
2458 spin_unlock_irqrestore(&ha->hardware_lock, cpu_flags);
2459
2460 set_bit(ABORT_QUEUES_NEEDED, &ha->dpc_flags);
2461 start_dpc++;
2462 }
2463
2464 /* if the loop has been down for 4 minutes, reinit adapter */
2465 if (atomic_dec_and_test(&ha->loop_down_timer) != 0) {
2466 DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - "
2467 "restarting queues.\n",
2468 ha->host_no));
2469
2470 set_bit(RESTART_QUEUES_NEEDED, &ha->dpc_flags);
2471 start_dpc++;
2472
2473 if (!(ha->device_flags & DFLG_NO_CABLE)) {
2474 DEBUG(printk("scsi(%ld): Loop down - "
2475 "aborting ISP.\n",
2476 ha->host_no));
2477 qla_printk(KERN_WARNING, ha,
2478 "Loop down - aborting ISP.\n");
2479
2480 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
2481 }
2482 }
2483 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
2484 ha->host_no,
2485 atomic_read(&ha->loop_down_timer)));
2486 }
2487
2488 /* Schedule the DPC routine if needed */
2489 if ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) ||
2490 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) ||
2491 start_dpc ||
2492 test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags) ||
2493 test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) ||
2494 test_bit(RELOGIN_NEEDED, &ha->dpc_flags)) &&
2495 ha->dpc_wait && !ha->dpc_active) {
2496
2497 up(ha->dpc_wait);
2498 }
2499
2500 qla2x00_restart_timer(ha, WATCH_INTERVAL);
2501 }
2502
2503 /* XXX(hch): crude hack to emulate a down_timeout() */
2504 int
2505 qla2x00_down_timeout(struct semaphore *sema, unsigned long timeout)
2506 {
2507 const unsigned int step = 100; /* msecs */
2508 unsigned int iterations = jiffies_to_msecs(timeout)/100;
2509
2510 do {
2511 if (!down_trylock(sema))
2512 return 0;
2513 if (msleep_interruptible(step))
2514 break;
2515 } while (--iterations >= 0);
2516
2517 return -ETIMEDOUT;
2518 }
2519
2520 static struct qla_board_info qla_board_tbl[] = {
2521 {
2522 .drv_name = "qla2400",
2523 .isp_name = "ISP2422",
2524 .fw_fname = "ql2400_fw.bin",
2525 .sht = &qla24xx_driver_template,
2526 },
2527 {
2528 .drv_name = "qla2400",
2529 .isp_name = "ISP2432",
2530 .fw_fname = "ql2400_fw.bin",
2531 .sht = &qla24xx_driver_template,
2532 },
2533 };
2534
2535 static struct pci_device_id qla2xxx_pci_tbl[] = {
2536 {
2537 .vendor = PCI_VENDOR_ID_QLOGIC,
2538 .device = PCI_DEVICE_ID_QLOGIC_ISP2422,
2539 .subvendor = PCI_ANY_ID,
2540 .subdevice = PCI_ANY_ID,
2541 .driver_data = (unsigned long)&qla_board_tbl[0],
2542 },
2543 {
2544 .vendor = PCI_VENDOR_ID_QLOGIC,
2545 .device = PCI_DEVICE_ID_QLOGIC_ISP2432,
2546 .subvendor = PCI_ANY_ID,
2547 .subdevice = PCI_ANY_ID,
2548 .driver_data = (unsigned long)&qla_board_tbl[1],
2549 },
2550 {0, 0},
2551 };
2552 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
2553
2554 static int __devinit
2555 qla2xxx_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
2556 {
2557 return qla2x00_probe_one(pdev,
2558 (struct qla_board_info *)id->driver_data);
2559 }
2560
2561 static void __devexit
2562 qla2xxx_remove_one(struct pci_dev *pdev)
2563 {
2564 qla2x00_remove_one(pdev);
2565 }
2566
2567 static struct pci_driver qla2xxx_pci_driver = {
2568 .name = "qla2xxx",
2569 .id_table = qla2xxx_pci_tbl,
2570 .probe = qla2xxx_probe_one,
2571 .remove = __devexit_p(qla2xxx_remove_one),
2572 };
2573
2574 /**
2575 * qla2x00_module_init - Module initialization.
2576 **/
2577 static int __init
2578 qla2x00_module_init(void)
2579 {
2580 int ret = 0;
2581
2582 /* Allocate cache for SRBs. */
2583 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
2584 SLAB_HWCACHE_ALIGN, NULL, NULL);
2585 if (srb_cachep == NULL) {
2586 printk(KERN_ERR
2587 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
2588 return -ENOMEM;
2589 }
2590
2591 /* Derive version string. */
2592 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
2593 #if DEBUG_QLA2100
2594 strcat(qla2x00_version_str, "-debug");
2595 #endif
2596 qla2xxx_transport_template =
2597 fc_attach_transport(&qla2xxx_transport_functions);
2598 if (!qla2xxx_transport_template)
2599 return -ENODEV;
2600
2601 printk(KERN_INFO "QLogic Fibre Channel HBA Driver\n");
2602 ret = pci_module_init(&qla2xxx_pci_driver);
2603 if (ret) {
2604 kmem_cache_destroy(srb_cachep);
2605 fc_release_transport(qla2xxx_transport_template);
2606 }
2607 return ret;
2608 }
2609
2610 /**
2611 * qla2x00_module_exit - Module cleanup.
2612 **/
2613 static void __exit
2614 qla2x00_module_exit(void)
2615 {
2616 pci_unregister_driver(&qla2xxx_pci_driver);
2617 kmem_cache_destroy(srb_cachep);
2618 fc_release_transport(qla2xxx_transport_template);
2619 }
2620
2621 module_init(qla2x00_module_init);
2622 module_exit(qla2x00_module_exit);
2623
2624 MODULE_AUTHOR("QLogic Corporation");
2625 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
2626 MODULE_LICENSE("GPL");
2627 MODULE_VERSION(QLA2XXX_VERSION);
x86 "subsystem" repository