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[SCSI] qla2xxx: Rework firmware-trace facilities.
[mirror_ubuntu-hirsute-kernel.git] / drivers / scsi / qla2xxx / qla_os.c
1 /*
2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2005 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
14 #include <scsi/scsi_tcq.h>
15 #include <scsi/scsicam.h>
16 #include <scsi/scsi_transport.h>
17 #include <scsi/scsi_transport_fc.h>
18
19 /*
20 * Driver version
21 */
22 char qla2x00_version_str[40];
23
24 /*
25 * SRB allocation cache
26 */
27 static kmem_cache_t *srb_cachep;
28
29 /*
30 * Ioctl related information.
31 */
32 static int num_hosts;
33
34 int ql2xlogintimeout = 20;
35 module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR);
36 MODULE_PARM_DESC(ql2xlogintimeout,
37 "Login timeout value in seconds.");
38
39 int qlport_down_retry = 30;
40 module_param(qlport_down_retry, int, S_IRUGO|S_IRUSR);
41 MODULE_PARM_DESC(qlport_down_retry,
42 "Maximum number of command retries to a port that returns"
43 "a PORT-DOWN status.");
44
45 int ql2xplogiabsentdevice;
46 module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
47 MODULE_PARM_DESC(ql2xplogiabsentdevice,
48 "Option to enable PLOGI to devices that are not present after "
49 "a Fabric scan. This is needed for several broken switches."
50 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
51
52 int ql2xloginretrycount = 0;
53 module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR);
54 MODULE_PARM_DESC(ql2xloginretrycount,
55 "Specify an alternate value for the NVRAM login retry count.");
56
57 int ql2xallocfwdump = 1;
58 module_param(ql2xallocfwdump, int, S_IRUGO|S_IRUSR);
59 MODULE_PARM_DESC(ql2xallocfwdump,
60 "Option to enable allocation of memory for a firmware dump "
61 "during HBA initialization. Memory allocation requirements "
62 "vary by ISP type. Default is 1 - allocate memory.");
63
64 static void qla2x00_free_device(scsi_qla_host_t *);
65
66 static void qla2x00_config_dma_addressing(scsi_qla_host_t *ha);
67
68 int ql2xfdmienable;
69 module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR);
70 MODULE_PARM_DESC(ql2xfdmienable,
71 "Enables FDMI registratons "
72 "Default is 0 - no FDMI. 1 - perfom FDMI.");
73
74 /*
75 * SCSI host template entry points
76 */
77 static int qla2xxx_slave_configure(struct scsi_device * device);
78 static int qla2xxx_slave_alloc(struct scsi_device *);
79 static void qla2xxx_slave_destroy(struct scsi_device *);
80 static int qla2x00_queuecommand(struct scsi_cmnd *cmd,
81 void (*fn)(struct scsi_cmnd *));
82 static int qla24xx_queuecommand(struct scsi_cmnd *cmd,
83 void (*fn)(struct scsi_cmnd *));
84 static int qla2xxx_eh_abort(struct scsi_cmnd *);
85 static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
86 static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
87 static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
88 static int qla2x00_loop_reset(scsi_qla_host_t *ha);
89 static int qla2x00_device_reset(scsi_qla_host_t *, fc_port_t *);
90
91 static int qla2x00_change_queue_depth(struct scsi_device *, int);
92 static int qla2x00_change_queue_type(struct scsi_device *, int);
93
94 static struct scsi_host_template qla2x00_driver_template = {
95 .module = THIS_MODULE,
96 .name = QLA2XXX_DRIVER_NAME,
97 .queuecommand = qla2x00_queuecommand,
98
99 .eh_abort_handler = qla2xxx_eh_abort,
100 .eh_device_reset_handler = qla2xxx_eh_device_reset,
101 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
102 .eh_host_reset_handler = qla2xxx_eh_host_reset,
103
104 .slave_configure = qla2xxx_slave_configure,
105
106 .slave_alloc = qla2xxx_slave_alloc,
107 .slave_destroy = qla2xxx_slave_destroy,
108 .change_queue_depth = qla2x00_change_queue_depth,
109 .change_queue_type = qla2x00_change_queue_type,
110 .this_id = -1,
111 .cmd_per_lun = 3,
112 .use_clustering = ENABLE_CLUSTERING,
113 .sg_tablesize = SG_ALL,
114
115 /*
116 * The RISC allows for each command to transfer (2^32-1) bytes of data,
117 * which equates to 0x800000 sectors.
118 */
119 .max_sectors = 0xFFFF,
120 .shost_attrs = qla2x00_host_attrs,
121 };
122
123 static struct scsi_host_template qla24xx_driver_template = {
124 .module = THIS_MODULE,
125 .name = QLA2XXX_DRIVER_NAME,
126 .queuecommand = qla24xx_queuecommand,
127
128 .eh_abort_handler = qla2xxx_eh_abort,
129 .eh_device_reset_handler = qla2xxx_eh_device_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 .change_queue_depth = qla2x00_change_queue_depth,
138 .change_queue_type = qla2x00_change_queue_type,
139 .this_id = -1,
140 .cmd_per_lun = 3,
141 .use_clustering = ENABLE_CLUSTERING,
142 .sg_tablesize = SG_ALL,
143
144 .max_sectors = 0xFFFF,
145 .shost_attrs = qla2x00_host_attrs,
146 };
147
148 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
149
150 /* TODO Convert to inlines
151 *
152 * Timer routines
153 */
154 #define WATCH_INTERVAL 1 /* number of seconds */
155
156 static void qla2x00_timer(scsi_qla_host_t *);
157
158 static __inline__ void qla2x00_start_timer(scsi_qla_host_t *,
159 void *, unsigned long);
160 static __inline__ void qla2x00_restart_timer(scsi_qla_host_t *, unsigned long);
161 static __inline__ void qla2x00_stop_timer(scsi_qla_host_t *);
162
163 static inline void
164 qla2x00_start_timer(scsi_qla_host_t *ha, void *func, unsigned long interval)
165 {
166 init_timer(&ha->timer);
167 ha->timer.expires = jiffies + interval * HZ;
168 ha->timer.data = (unsigned long)ha;
169 ha->timer.function = (void (*)(unsigned long))func;
170 add_timer(&ha->timer);
171 ha->timer_active = 1;
172 }
173
174 static inline void
175 qla2x00_restart_timer(scsi_qla_host_t *ha, unsigned long interval)
176 {
177 mod_timer(&ha->timer, jiffies + interval * HZ);
178 }
179
180 static __inline__ void
181 qla2x00_stop_timer(scsi_qla_host_t *ha)
182 {
183 del_timer_sync(&ha->timer);
184 ha->timer_active = 0;
185 }
186
187 static int qla2x00_do_dpc(void *data);
188
189 static void qla2x00_rst_aen(scsi_qla_host_t *);
190
191 static uint8_t qla2x00_mem_alloc(scsi_qla_host_t *);
192 static void qla2x00_mem_free(scsi_qla_host_t *ha);
193 static int qla2x00_allocate_sp_pool( scsi_qla_host_t *ha);
194 static void qla2x00_free_sp_pool(scsi_qla_host_t *ha);
195 static void qla2x00_sp_free_dma(scsi_qla_host_t *, srb_t *);
196 void qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *);
197
198 /* -------------------------------------------------------------------------- */
199
200 static char *
201 qla2x00_pci_info_str(struct scsi_qla_host *ha, char *str)
202 {
203 static char *pci_bus_modes[] = {
204 "33", "66", "100", "133",
205 };
206 uint16_t pci_bus;
207
208 strcpy(str, "PCI");
209 pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
210 if (pci_bus) {
211 strcat(str, "-X (");
212 strcat(str, pci_bus_modes[pci_bus]);
213 } else {
214 pci_bus = (ha->pci_attr & BIT_8) >> 8;
215 strcat(str, " (");
216 strcat(str, pci_bus_modes[pci_bus]);
217 }
218 strcat(str, " MHz)");
219
220 return (str);
221 }
222
223 static char *
224 qla24xx_pci_info_str(struct scsi_qla_host *ha, char *str)
225 {
226 static char *pci_bus_modes[] = { "33", "66", "100", "133", };
227 uint32_t pci_bus;
228 int pcie_reg;
229
230 pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
231 if (pcie_reg) {
232 char lwstr[6];
233 uint16_t pcie_lstat, lspeed, lwidth;
234
235 pcie_reg += 0x12;
236 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
237 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
238 lwidth = (pcie_lstat &
239 (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
240
241 strcpy(str, "PCIe (");
242 if (lspeed == 1)
243 strcat(str, "2.5Gb/s ");
244 else
245 strcat(str, "<unknown> ");
246 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
247 strcat(str, lwstr);
248
249 return str;
250 }
251
252 strcpy(str, "PCI");
253 pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
254 if (pci_bus == 0 || pci_bus == 8) {
255 strcat(str, " (");
256 strcat(str, pci_bus_modes[pci_bus >> 3]);
257 } else {
258 strcat(str, "-X ");
259 if (pci_bus & BIT_2)
260 strcat(str, "Mode 2");
261 else
262 strcat(str, "Mode 1");
263 strcat(str, " (");
264 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
265 }
266 strcat(str, " MHz)");
267
268 return str;
269 }
270
271 char *
272 qla2x00_fw_version_str(struct scsi_qla_host *ha, char *str)
273 {
274 char un_str[10];
275
276 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
277 ha->fw_minor_version,
278 ha->fw_subminor_version);
279
280 if (ha->fw_attributes & BIT_9) {
281 strcat(str, "FLX");
282 return (str);
283 }
284
285 switch (ha->fw_attributes & 0xFF) {
286 case 0x7:
287 strcat(str, "EF");
288 break;
289 case 0x17:
290 strcat(str, "TP");
291 break;
292 case 0x37:
293 strcat(str, "IP");
294 break;
295 case 0x77:
296 strcat(str, "VI");
297 break;
298 default:
299 sprintf(un_str, "(%x)", ha->fw_attributes);
300 strcat(str, un_str);
301 break;
302 }
303 if (ha->fw_attributes & 0x100)
304 strcat(str, "X");
305
306 return (str);
307 }
308
309 char *
310 qla24xx_fw_version_str(struct scsi_qla_host *ha, char *str)
311 {
312 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
313 ha->fw_minor_version,
314 ha->fw_subminor_version);
315
316 if (ha->fw_attributes & BIT_0)
317 strcat(str, "[Class 2] ");
318 if (ha->fw_attributes & BIT_1)
319 strcat(str, "[IP] ");
320 if (ha->fw_attributes & BIT_2)
321 strcat(str, "[Multi-ID] ");
322 if (ha->fw_attributes & BIT_13)
323 strcat(str, "[Experimental]");
324 return str;
325 }
326
327 static inline srb_t *
328 qla2x00_get_new_sp(scsi_qla_host_t *ha, fc_port_t *fcport,
329 struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
330 {
331 srb_t *sp;
332
333 sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
334 if (!sp)
335 return sp;
336
337 sp->ha = ha;
338 sp->fcport = fcport;
339 sp->cmd = cmd;
340 sp->flags = 0;
341 CMD_SP(cmd) = (void *)sp;
342 cmd->scsi_done = done;
343
344 return sp;
345 }
346
347 static int
348 qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
349 {
350 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
351 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
352 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
353 srb_t *sp;
354 int rval;
355
356 rval = fc_remote_port_chkready(rport);
357 if (rval) {
358 cmd->result = rval;
359 goto qc_fail_command;
360 }
361
362 /* Close window on fcport/rport state-transitioning. */
363 if (!*(fc_port_t **)rport->dd_data) {
364 cmd->result = DID_IMM_RETRY << 16;
365 goto qc_fail_command;
366 }
367
368 if (atomic_read(&fcport->state) != FCS_ONLINE) {
369 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
370 atomic_read(&ha->loop_state) == LOOP_DEAD) {
371 cmd->result = DID_NO_CONNECT << 16;
372 goto qc_fail_command;
373 }
374 goto qc_host_busy;
375 }
376
377 spin_unlock_irq(ha->host->host_lock);
378
379 sp = qla2x00_get_new_sp(ha, fcport, cmd, done);
380 if (!sp)
381 goto qc_host_busy_lock;
382
383 rval = qla2x00_start_scsi(sp);
384 if (rval != QLA_SUCCESS)
385 goto qc_host_busy_free_sp;
386
387 spin_lock_irq(ha->host->host_lock);
388
389 return 0;
390
391 qc_host_busy_free_sp:
392 qla2x00_sp_free_dma(ha, sp);
393 mempool_free(sp, ha->srb_mempool);
394
395 qc_host_busy_lock:
396 spin_lock_irq(ha->host->host_lock);
397
398 qc_host_busy:
399 return SCSI_MLQUEUE_HOST_BUSY;
400
401 qc_fail_command:
402 done(cmd);
403
404 return 0;
405 }
406
407
408 static int
409 qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
410 {
411 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
412 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
413 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
414 srb_t *sp;
415 int rval;
416
417 rval = fc_remote_port_chkready(rport);
418 if (rval) {
419 cmd->result = rval;
420 goto qc24_fail_command;
421 }
422
423 /* Close window on fcport/rport state-transitioning. */
424 if (!*(fc_port_t **)rport->dd_data) {
425 cmd->result = DID_IMM_RETRY << 16;
426 goto qc24_fail_command;
427 }
428
429 if (atomic_read(&fcport->state) != FCS_ONLINE) {
430 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
431 atomic_read(&ha->loop_state) == LOOP_DEAD) {
432 cmd->result = DID_NO_CONNECT << 16;
433 goto qc24_fail_command;
434 }
435 goto qc24_host_busy;
436 }
437
438 spin_unlock_irq(ha->host->host_lock);
439
440 sp = qla2x00_get_new_sp(ha, fcport, cmd, done);
441 if (!sp)
442 goto qc24_host_busy_lock;
443
444 rval = qla24xx_start_scsi(sp);
445 if (rval != QLA_SUCCESS)
446 goto qc24_host_busy_free_sp;
447
448 spin_lock_irq(ha->host->host_lock);
449
450 return 0;
451
452 qc24_host_busy_free_sp:
453 qla2x00_sp_free_dma(ha, sp);
454 mempool_free(sp, ha->srb_mempool);
455
456 qc24_host_busy_lock:
457 spin_lock_irq(ha->host->host_lock);
458
459 qc24_host_busy:
460 return SCSI_MLQUEUE_HOST_BUSY;
461
462 qc24_fail_command:
463 done(cmd);
464
465 return 0;
466 }
467
468
469 /*
470 * qla2x00_eh_wait_on_command
471 * Waits for the command to be returned by the Firmware for some
472 * max time.
473 *
474 * Input:
475 * ha = actual ha whose done queue will contain the command
476 * returned by firmware.
477 * cmd = Scsi Command to wait on.
478 * flag = Abort/Reset(Bus or Device Reset)
479 *
480 * Return:
481 * Not Found : 0
482 * Found : 1
483 */
484 static int
485 qla2x00_eh_wait_on_command(scsi_qla_host_t *ha, struct scsi_cmnd *cmd)
486 {
487 #define ABORT_POLLING_PERIOD 1000
488 #define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
489 unsigned long wait_iter = ABORT_WAIT_ITER;
490 int ret = QLA_SUCCESS;
491
492 while (CMD_SP(cmd)) {
493 msleep(ABORT_POLLING_PERIOD);
494
495 if (--wait_iter)
496 break;
497 }
498 if (CMD_SP(cmd))
499 ret = QLA_FUNCTION_FAILED;
500
501 return ret;
502 }
503
504 /*
505 * qla2x00_wait_for_hba_online
506 * Wait till the HBA is online after going through
507 * <= MAX_RETRIES_OF_ISP_ABORT or
508 * finally HBA is disabled ie marked offline
509 *
510 * Input:
511 * ha - pointer to host adapter structure
512 *
513 * Note:
514 * Does context switching-Release SPIN_LOCK
515 * (if any) before calling this routine.
516 *
517 * Return:
518 * Success (Adapter is online) : 0
519 * Failed (Adapter is offline/disabled) : 1
520 */
521 int
522 qla2x00_wait_for_hba_online(scsi_qla_host_t *ha)
523 {
524 int return_status;
525 unsigned long wait_online;
526
527 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
528 while (((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) ||
529 test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags) ||
530 test_bit(ISP_ABORT_RETRY, &ha->dpc_flags) ||
531 ha->dpc_active) && time_before(jiffies, wait_online)) {
532
533 msleep(1000);
534 }
535 if (ha->flags.online)
536 return_status = QLA_SUCCESS;
537 else
538 return_status = QLA_FUNCTION_FAILED;
539
540 DEBUG2(printk("%s return_status=%d\n",__func__,return_status));
541
542 return (return_status);
543 }
544
545 /*
546 * qla2x00_wait_for_loop_ready
547 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
548 * to be in LOOP_READY state.
549 * Input:
550 * ha - pointer to host adapter structure
551 *
552 * Note:
553 * Does context switching-Release SPIN_LOCK
554 * (if any) before calling this routine.
555 *
556 *
557 * Return:
558 * Success (LOOP_READY) : 0
559 * Failed (LOOP_NOT_READY) : 1
560 */
561 static inline int
562 qla2x00_wait_for_loop_ready(scsi_qla_host_t *ha)
563 {
564 int return_status = QLA_SUCCESS;
565 unsigned long loop_timeout ;
566
567 /* wait for 5 min at the max for loop to be ready */
568 loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
569
570 while ((!atomic_read(&ha->loop_down_timer) &&
571 atomic_read(&ha->loop_state) == LOOP_DOWN) ||
572 atomic_read(&ha->loop_state) != LOOP_READY) {
573 if (atomic_read(&ha->loop_state) == LOOP_DEAD) {
574 return_status = QLA_FUNCTION_FAILED;
575 break;
576 }
577 msleep(1000);
578 if (time_after_eq(jiffies, loop_timeout)) {
579 return_status = QLA_FUNCTION_FAILED;
580 break;
581 }
582 }
583 return (return_status);
584 }
585
586 /**************************************************************************
587 * qla2xxx_eh_abort
588 *
589 * Description:
590 * The abort function will abort the specified command.
591 *
592 * Input:
593 * cmd = Linux SCSI command packet to be aborted.
594 *
595 * Returns:
596 * Either SUCCESS or FAILED.
597 *
598 * Note:
599 * Only return FAILED if command not returned by firmware.
600 **************************************************************************/
601 int
602 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
603 {
604 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
605 srb_t *sp;
606 int ret, i;
607 unsigned int id, lun;
608 unsigned long serial;
609 unsigned long flags;
610 int wait = 0;
611
612 if (!CMD_SP(cmd))
613 return SUCCESS;
614
615 ret = SUCCESS;
616
617 id = cmd->device->id;
618 lun = cmd->device->lun;
619 serial = cmd->serial_number;
620
621 /* Check active list for command command. */
622 spin_lock_irqsave(&ha->hardware_lock, flags);
623 for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
624 sp = ha->outstanding_cmds[i];
625
626 if (sp == NULL)
627 continue;
628
629 if (sp->cmd != cmd)
630 continue;
631
632 DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld.\n",
633 __func__, ha->host_no, sp, serial));
634 DEBUG3(qla2x00_print_scsi_cmd(cmd);)
635
636 spin_unlock_irqrestore(&ha->hardware_lock, flags);
637 if (ha->isp_ops.abort_command(ha, sp)) {
638 DEBUG2(printk("%s(%ld): abort_command "
639 "mbx failed.\n", __func__, ha->host_no));
640 } else {
641 DEBUG3(printk("%s(%ld): abort_command "
642 "mbx success.\n", __func__, ha->host_no));
643 wait = 1;
644 }
645 spin_lock_irqsave(&ha->hardware_lock, flags);
646
647 break;
648 }
649 spin_unlock_irqrestore(&ha->hardware_lock, flags);
650
651 /* Wait for the command to be returned. */
652 if (wait) {
653 if (qla2x00_eh_wait_on_command(ha, cmd) != QLA_SUCCESS) {
654 qla_printk(KERN_ERR, ha,
655 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
656 "%x.\n", ha->host_no, id, lun, serial, ret);
657 ret = FAILED;
658 }
659 }
660
661 qla_printk(KERN_INFO, ha,
662 "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
663 ha->host_no, id, lun, wait, serial, ret);
664
665 return ret;
666 }
667
668 /**************************************************************************
669 * qla2x00_eh_wait_for_pending_target_commands
670 *
671 * Description:
672 * Waits for all the commands to come back from the specified target.
673 *
674 * Input:
675 * ha - pointer to scsi_qla_host structure.
676 * t - target
677 * Returns:
678 * Either SUCCESS or FAILED.
679 *
680 * Note:
681 **************************************************************************/
682 static int
683 qla2x00_eh_wait_for_pending_target_commands(scsi_qla_host_t *ha, unsigned int t)
684 {
685 int cnt;
686 int status;
687 srb_t *sp;
688 struct scsi_cmnd *cmd;
689 unsigned long flags;
690
691 status = 0;
692
693 /*
694 * Waiting for all commands for the designated target in the active
695 * array
696 */
697 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
698 spin_lock_irqsave(&ha->hardware_lock, flags);
699 sp = ha->outstanding_cmds[cnt];
700 if (sp) {
701 cmd = sp->cmd;
702 spin_unlock_irqrestore(&ha->hardware_lock, flags);
703 if (cmd->device->id == t) {
704 if (!qla2x00_eh_wait_on_command(ha, cmd)) {
705 status = 1;
706 break;
707 }
708 }
709 } else {
710 spin_unlock_irqrestore(&ha->hardware_lock, flags);
711 }
712 }
713 return (status);
714 }
715
716
717 /**************************************************************************
718 * qla2xxx_eh_device_reset
719 *
720 * Description:
721 * The device reset function will reset the target and abort any
722 * executing commands.
723 *
724 * NOTE: The use of SP is undefined within this context. Do *NOT*
725 * attempt to use this value, even if you determine it is
726 * non-null.
727 *
728 * Input:
729 * cmd = Linux SCSI command packet of the command that cause the
730 * bus device reset.
731 *
732 * Returns:
733 * SUCCESS/FAILURE (defined as macro in scsi.h).
734 *
735 **************************************************************************/
736 int
737 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
738 {
739 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
740 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
741 srb_t *sp;
742 int ret;
743 unsigned int id, lun;
744 unsigned long serial;
745
746 ret = FAILED;
747
748 id = cmd->device->id;
749 lun = cmd->device->lun;
750 serial = cmd->serial_number;
751
752 sp = (srb_t *) CMD_SP(cmd);
753 if (!sp || !fcport)
754 return ret;
755
756 qla_printk(KERN_INFO, ha,
757 "scsi(%ld:%d:%d): DEVICE RESET ISSUED.\n", ha->host_no, id, lun);
758
759 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
760 goto eh_dev_reset_done;
761
762 if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
763 if (qla2x00_device_reset(ha, fcport) == 0)
764 ret = SUCCESS;
765
766 #if defined(LOGOUT_AFTER_DEVICE_RESET)
767 if (ret == SUCCESS) {
768 if (fcport->flags & FC_FABRIC_DEVICE) {
769 ha->isp_ops.fabric_logout(ha, fcport->loop_id);
770 qla2x00_mark_device_lost(ha, fcport, 0, 0);
771 }
772 }
773 #endif
774 } else {
775 DEBUG2(printk(KERN_INFO
776 "%s failed: loop not ready\n",__func__);)
777 }
778
779 if (ret == FAILED) {
780 DEBUG3(printk("%s(%ld): device reset failed\n",
781 __func__, ha->host_no));
782 qla_printk(KERN_INFO, ha, "%s: device reset failed\n",
783 __func__);
784
785 goto eh_dev_reset_done;
786 }
787
788 /* Flush outstanding commands. */
789 if (qla2x00_eh_wait_for_pending_target_commands(ha, id))
790 ret = FAILED;
791 if (ret == FAILED) {
792 DEBUG3(printk("%s(%ld): failed while waiting for commands\n",
793 __func__, ha->host_no));
794 qla_printk(KERN_INFO, ha,
795 "%s: failed while waiting for commands\n", __func__);
796 } else
797 qla_printk(KERN_INFO, ha,
798 "scsi(%ld:%d:%d): DEVICE RESET SUCCEEDED.\n", ha->host_no,
799 id, lun);
800 eh_dev_reset_done:
801 return ret;
802 }
803
804 /**************************************************************************
805 * qla2x00_eh_wait_for_pending_commands
806 *
807 * Description:
808 * Waits for all the commands to come back from the specified host.
809 *
810 * Input:
811 * ha - pointer to scsi_qla_host structure.
812 *
813 * Returns:
814 * 1 : SUCCESS
815 * 0 : FAILED
816 *
817 * Note:
818 **************************************************************************/
819 static int
820 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha)
821 {
822 int cnt;
823 int status;
824 srb_t *sp;
825 struct scsi_cmnd *cmd;
826 unsigned long flags;
827
828 status = 1;
829
830 /*
831 * Waiting for all commands for the designated target in the active
832 * array
833 */
834 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
835 spin_lock_irqsave(&ha->hardware_lock, flags);
836 sp = ha->outstanding_cmds[cnt];
837 if (sp) {
838 cmd = sp->cmd;
839 spin_unlock_irqrestore(&ha->hardware_lock, flags);
840 status = qla2x00_eh_wait_on_command(ha, cmd);
841 if (status == 0)
842 break;
843 }
844 else {
845 spin_unlock_irqrestore(&ha->hardware_lock, flags);
846 }
847 }
848 return (status);
849 }
850
851
852 /**************************************************************************
853 * qla2xxx_eh_bus_reset
854 *
855 * Description:
856 * The bus reset function will reset the bus and abort any executing
857 * commands.
858 *
859 * Input:
860 * cmd = Linux SCSI command packet of the command that cause the
861 * bus reset.
862 *
863 * Returns:
864 * SUCCESS/FAILURE (defined as macro in scsi.h).
865 *
866 **************************************************************************/
867 int
868 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
869 {
870 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
871 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
872 srb_t *sp;
873 int ret;
874 unsigned int id, lun;
875 unsigned long serial;
876
877 ret = FAILED;
878
879 id = cmd->device->id;
880 lun = cmd->device->lun;
881 serial = cmd->serial_number;
882
883 sp = (srb_t *) CMD_SP(cmd);
884 if (!sp || !fcport)
885 return ret;
886
887 qla_printk(KERN_INFO, ha,
888 "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha->host_no, id, lun);
889
890 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) {
891 DEBUG2(printk("%s failed:board disabled\n",__func__));
892 goto eh_bus_reset_done;
893 }
894
895 if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
896 if (qla2x00_loop_reset(ha) == QLA_SUCCESS)
897 ret = SUCCESS;
898 }
899 if (ret == FAILED)
900 goto eh_bus_reset_done;
901
902 /* Flush outstanding commands. */
903 if (!qla2x00_eh_wait_for_pending_commands(ha))
904 ret = FAILED;
905
906 eh_bus_reset_done:
907 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
908 (ret == FAILED) ? "failed" : "succeded");
909
910 return ret;
911 }
912
913 /**************************************************************************
914 * qla2xxx_eh_host_reset
915 *
916 * Description:
917 * The reset function will reset the Adapter.
918 *
919 * Input:
920 * cmd = Linux SCSI command packet of the command that cause the
921 * adapter reset.
922 *
923 * Returns:
924 * Either SUCCESS or FAILED.
925 *
926 * Note:
927 **************************************************************************/
928 int
929 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
930 {
931 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
932 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
933 srb_t *sp;
934 int ret;
935 unsigned int id, lun;
936 unsigned long serial;
937
938 ret = FAILED;
939
940 id = cmd->device->id;
941 lun = cmd->device->lun;
942 serial = cmd->serial_number;
943
944 sp = (srb_t *) CMD_SP(cmd);
945 if (!sp || !fcport)
946 return ret;
947
948 qla_printk(KERN_INFO, ha,
949 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha->host_no, id, lun);
950
951 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
952 goto eh_host_reset_lock;
953
954 /*
955 * Fixme-may be dpc thread is active and processing
956 * loop_resync,so wait a while for it to
957 * be completed and then issue big hammer.Otherwise
958 * it may cause I/O failure as big hammer marks the
959 * devices as lost kicking of the port_down_timer
960 * while dpc is stuck for the mailbox to complete.
961 */
962 qla2x00_wait_for_loop_ready(ha);
963 set_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
964 if (qla2x00_abort_isp(ha)) {
965 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
966 /* failed. schedule dpc to try */
967 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
968
969 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
970 goto eh_host_reset_lock;
971 }
972 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
973
974 /* Waiting for our command in done_queue to be returned to OS.*/
975 if (qla2x00_eh_wait_for_pending_commands(ha))
976 ret = SUCCESS;
977
978 eh_host_reset_lock:
979 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
980 (ret == FAILED) ? "failed" : "succeded");
981
982 return ret;
983 }
984
985 /*
986 * qla2x00_loop_reset
987 * Issue loop reset.
988 *
989 * Input:
990 * ha = adapter block pointer.
991 *
992 * Returns:
993 * 0 = success
994 */
995 static int
996 qla2x00_loop_reset(scsi_qla_host_t *ha)
997 {
998 int status = QLA_SUCCESS;
999 struct fc_port *fcport;
1000
1001 if (ha->flags.enable_lip_reset) {
1002 status = qla2x00_lip_reset(ha);
1003 }
1004
1005 if (status == QLA_SUCCESS && ha->flags.enable_target_reset) {
1006 list_for_each_entry(fcport, &ha->fcports, list) {
1007 if (fcport->port_type != FCT_TARGET)
1008 continue;
1009
1010 status = qla2x00_device_reset(ha, fcport);
1011 if (status != QLA_SUCCESS)
1012 break;
1013 }
1014 }
1015
1016 if (status == QLA_SUCCESS &&
1017 ((!ha->flags.enable_target_reset &&
1018 !ha->flags.enable_lip_reset) ||
1019 ha->flags.enable_lip_full_login)) {
1020
1021 status = qla2x00_full_login_lip(ha);
1022 }
1023
1024 /* Issue marker command only when we are going to start the I/O */
1025 ha->marker_needed = 1;
1026
1027 if (status) {
1028 /* Empty */
1029 DEBUG2_3(printk("%s(%ld): **** FAILED ****\n",
1030 __func__,
1031 ha->host_no);)
1032 } else {
1033 /* Empty */
1034 DEBUG3(printk("%s(%ld): exiting normally.\n",
1035 __func__,
1036 ha->host_no);)
1037 }
1038
1039 return(status);
1040 }
1041
1042 /*
1043 * qla2x00_device_reset
1044 * Issue bus device reset message to the target.
1045 *
1046 * Input:
1047 * ha = adapter block pointer.
1048 * t = SCSI ID.
1049 * TARGET_QUEUE_LOCK must be released.
1050 * ADAPTER_STATE_LOCK must be released.
1051 *
1052 * Context:
1053 * Kernel context.
1054 */
1055 static int
1056 qla2x00_device_reset(scsi_qla_host_t *ha, fc_port_t *reset_fcport)
1057 {
1058 /* Abort Target command will clear Reservation */
1059 return ha->isp_ops.abort_target(reset_fcport);
1060 }
1061
1062 static int
1063 qla2xxx_slave_alloc(struct scsi_device *sdev)
1064 {
1065 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1066
1067 if (!rport || fc_remote_port_chkready(rport))
1068 return -ENXIO;
1069
1070 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1071
1072 return 0;
1073 }
1074
1075 static int
1076 qla2xxx_slave_configure(struct scsi_device *sdev)
1077 {
1078 scsi_qla_host_t *ha = to_qla_host(sdev->host);
1079 struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1080
1081 if (sdev->tagged_supported)
1082 scsi_activate_tcq(sdev, 32);
1083 else
1084 scsi_deactivate_tcq(sdev, 32);
1085
1086 rport->dev_loss_tmo = ha->port_down_retry_count + 5;
1087
1088 return 0;
1089 }
1090
1091 static void
1092 qla2xxx_slave_destroy(struct scsi_device *sdev)
1093 {
1094 sdev->hostdata = NULL;
1095 }
1096
1097 static int
1098 qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
1099 {
1100 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1101 return sdev->queue_depth;
1102 }
1103
1104 static int
1105 qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1106 {
1107 if (sdev->tagged_supported) {
1108 scsi_set_tag_type(sdev, tag_type);
1109 if (tag_type)
1110 scsi_activate_tcq(sdev, sdev->queue_depth);
1111 else
1112 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1113 } else
1114 tag_type = 0;
1115
1116 return tag_type;
1117 }
1118
1119 /**
1120 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1121 * @ha: HA context
1122 *
1123 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1124 * supported addressing method.
1125 */
1126 static void
1127 qla2x00_config_dma_addressing(scsi_qla_host_t *ha)
1128 {
1129 /* Assume a 32bit DMA mask. */
1130 ha->flags.enable_64bit_addressing = 0;
1131
1132 if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) {
1133 /* Any upper-dword bits set? */
1134 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1135 !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) {
1136 /* Ok, a 64bit DMA mask is applicable. */
1137 ha->flags.enable_64bit_addressing = 1;
1138 ha->isp_ops.calc_req_entries = qla2x00_calc_iocbs_64;
1139 ha->isp_ops.build_iocbs = qla2x00_build_scsi_iocbs_64;
1140 return;
1141 }
1142 }
1143
1144 dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK);
1145 pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK);
1146 }
1147
1148 static inline void
1149 qla2x00_set_isp_flags(scsi_qla_host_t *ha)
1150 {
1151 ha->device_type = DT_EXTENDED_IDS;
1152 switch (ha->pdev->device) {
1153 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1154 ha->device_type |= DT_ISP2100;
1155 ha->device_type &= ~DT_EXTENDED_IDS;
1156 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1157 break;
1158 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1159 ha->device_type |= DT_ISP2200;
1160 ha->device_type &= ~DT_EXTENDED_IDS;
1161 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1162 break;
1163 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1164 ha->device_type |= DT_ISP2300;
1165 ha->device_type |= DT_ZIO_SUPPORTED;
1166 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1167 break;
1168 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1169 ha->device_type |= DT_ISP2312;
1170 ha->device_type |= DT_ZIO_SUPPORTED;
1171 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1172 break;
1173 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1174 ha->device_type |= DT_ISP2322;
1175 ha->device_type |= DT_ZIO_SUPPORTED;
1176 if (ha->pdev->subsystem_vendor == 0x1028 &&
1177 ha->pdev->subsystem_device == 0x0170)
1178 ha->device_type |= DT_OEM_001;
1179 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1180 break;
1181 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1182 ha->device_type |= DT_ISP6312;
1183 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1184 break;
1185 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1186 ha->device_type |= DT_ISP6322;
1187 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1188 break;
1189 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1190 ha->device_type |= DT_ISP2422;
1191 ha->device_type |= DT_ZIO_SUPPORTED;
1192 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1193 break;
1194 case PCI_DEVICE_ID_QLOGIC_ISP2432:
1195 ha->device_type |= DT_ISP2432;
1196 ha->device_type |= DT_ZIO_SUPPORTED;
1197 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1198 break;
1199 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1200 ha->device_type |= DT_ISP5422;
1201 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1202 break;
1203 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1204 ha->device_type |= DT_ISP5432;
1205 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1206 break;
1207 }
1208 }
1209
1210 static int
1211 qla2x00_iospace_config(scsi_qla_host_t *ha)
1212 {
1213 unsigned long pio, pio_len, pio_flags;
1214 unsigned long mmio, mmio_len, mmio_flags;
1215
1216 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1217 pio = pci_resource_start(ha->pdev, 0);
1218 pio_len = pci_resource_len(ha->pdev, 0);
1219 pio_flags = pci_resource_flags(ha->pdev, 0);
1220 if (pio_flags & IORESOURCE_IO) {
1221 if (pio_len < MIN_IOBASE_LEN) {
1222 qla_printk(KERN_WARNING, ha,
1223 "Invalid PCI I/O region size (%s)...\n",
1224 pci_name(ha->pdev));
1225 pio = 0;
1226 }
1227 } else {
1228 qla_printk(KERN_WARNING, ha,
1229 "region #0 not a PIO resource (%s)...\n",
1230 pci_name(ha->pdev));
1231 pio = 0;
1232 }
1233
1234 /* Use MMIO operations for all accesses. */
1235 mmio = pci_resource_start(ha->pdev, 1);
1236 mmio_len = pci_resource_len(ha->pdev, 1);
1237 mmio_flags = pci_resource_flags(ha->pdev, 1);
1238
1239 if (!(mmio_flags & IORESOURCE_MEM)) {
1240 qla_printk(KERN_ERR, ha,
1241 "region #0 not an MMIO resource (%s), aborting\n",
1242 pci_name(ha->pdev));
1243 goto iospace_error_exit;
1244 }
1245 if (mmio_len < MIN_IOBASE_LEN) {
1246 qla_printk(KERN_ERR, ha,
1247 "Invalid PCI mem region size (%s), aborting\n",
1248 pci_name(ha->pdev));
1249 goto iospace_error_exit;
1250 }
1251
1252 if (pci_request_regions(ha->pdev, QLA2XXX_DRIVER_NAME)) {
1253 qla_printk(KERN_WARNING, ha,
1254 "Failed to reserve PIO/MMIO regions (%s)\n",
1255 pci_name(ha->pdev));
1256
1257 goto iospace_error_exit;
1258 }
1259
1260 ha->pio_address = pio;
1261 ha->pio_length = pio_len;
1262 ha->iobase = ioremap(mmio, MIN_IOBASE_LEN);
1263 if (!ha->iobase) {
1264 qla_printk(KERN_ERR, ha,
1265 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1266
1267 goto iospace_error_exit;
1268 }
1269
1270 return (0);
1271
1272 iospace_error_exit:
1273 return (-ENOMEM);
1274 }
1275
1276 static void
1277 qla2x00_enable_intrs(scsi_qla_host_t *ha)
1278 {
1279 unsigned long flags = 0;
1280 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1281
1282 spin_lock_irqsave(&ha->hardware_lock, flags);
1283 ha->interrupts_on = 1;
1284 /* enable risc and host interrupts */
1285 WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1286 RD_REG_WORD(&reg->ictrl);
1287 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1288
1289 }
1290
1291 static void
1292 qla2x00_disable_intrs(scsi_qla_host_t *ha)
1293 {
1294 unsigned long flags = 0;
1295 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1296
1297 spin_lock_irqsave(&ha->hardware_lock, flags);
1298 ha->interrupts_on = 0;
1299 /* disable risc and host interrupts */
1300 WRT_REG_WORD(&reg->ictrl, 0);
1301 RD_REG_WORD(&reg->ictrl);
1302 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1303 }
1304
1305 static void
1306 qla24xx_enable_intrs(scsi_qla_host_t *ha)
1307 {
1308 unsigned long flags = 0;
1309 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1310
1311 spin_lock_irqsave(&ha->hardware_lock, flags);
1312 ha->interrupts_on = 1;
1313 WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1314 RD_REG_DWORD(&reg->ictrl);
1315 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1316 }
1317
1318 static void
1319 qla24xx_disable_intrs(scsi_qla_host_t *ha)
1320 {
1321 unsigned long flags = 0;
1322 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1323
1324 spin_lock_irqsave(&ha->hardware_lock, flags);
1325 ha->interrupts_on = 0;
1326 WRT_REG_DWORD(&reg->ictrl, 0);
1327 RD_REG_DWORD(&reg->ictrl);
1328 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1329 }
1330
1331 /*
1332 * PCI driver interface
1333 */
1334 static int qla2x00_probe_one(struct pci_dev *pdev)
1335 {
1336 int ret = -ENODEV;
1337 device_reg_t __iomem *reg;
1338 struct Scsi_Host *host;
1339 scsi_qla_host_t *ha;
1340 unsigned long flags = 0;
1341 unsigned long wait_switch = 0;
1342 char pci_info[20];
1343 char fw_str[30];
1344 fc_port_t *fcport;
1345 struct scsi_host_template *sht;
1346
1347 if (pci_enable_device(pdev))
1348 goto probe_out;
1349
1350 sht = &qla2x00_driver_template;
1351 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
1352 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432)
1353 sht = &qla24xx_driver_template;
1354 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
1355 if (host == NULL) {
1356 printk(KERN_WARNING
1357 "qla2xxx: Couldn't allocate host from scsi layer!\n");
1358 goto probe_disable_device;
1359 }
1360
1361 /* Clear our data area */
1362 ha = (scsi_qla_host_t *)host->hostdata;
1363 memset(ha, 0, sizeof(scsi_qla_host_t));
1364
1365 ha->pdev = pdev;
1366 ha->host = host;
1367 ha->host_no = host->host_no;
1368 sprintf(ha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, ha->host_no);
1369
1370 /* Set ISP-type information. */
1371 qla2x00_set_isp_flags(ha);
1372
1373 /* Configure PCI I/O space */
1374 ret = qla2x00_iospace_config(ha);
1375 if (ret)
1376 goto probe_failed;
1377
1378 qla_printk(KERN_INFO, ha,
1379 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1380 ha->iobase);
1381
1382 spin_lock_init(&ha->hardware_lock);
1383
1384 ha->prev_topology = 0;
1385 ha->init_cb_size = sizeof(init_cb_t);
1386 ha->mgmt_svr_loop_id = MANAGEMENT_SERVER;
1387 ha->link_data_rate = LDR_UNKNOWN;
1388 ha->optrom_size = OPTROM_SIZE_2300;
1389
1390 /* Assign ISP specific operations. */
1391 ha->isp_ops.pci_config = qla2100_pci_config;
1392 ha->isp_ops.reset_chip = qla2x00_reset_chip;
1393 ha->isp_ops.chip_diag = qla2x00_chip_diag;
1394 ha->isp_ops.config_rings = qla2x00_config_rings;
1395 ha->isp_ops.reset_adapter = qla2x00_reset_adapter;
1396 ha->isp_ops.nvram_config = qla2x00_nvram_config;
1397 ha->isp_ops.update_fw_options = qla2x00_update_fw_options;
1398 ha->isp_ops.load_risc = qla2x00_load_risc;
1399 ha->isp_ops.pci_info_str = qla2x00_pci_info_str;
1400 ha->isp_ops.fw_version_str = qla2x00_fw_version_str;
1401 ha->isp_ops.intr_handler = qla2100_intr_handler;
1402 ha->isp_ops.enable_intrs = qla2x00_enable_intrs;
1403 ha->isp_ops.disable_intrs = qla2x00_disable_intrs;
1404 ha->isp_ops.abort_command = qla2x00_abort_command;
1405 ha->isp_ops.abort_target = qla2x00_abort_target;
1406 ha->isp_ops.fabric_login = qla2x00_login_fabric;
1407 ha->isp_ops.fabric_logout = qla2x00_fabric_logout;
1408 ha->isp_ops.calc_req_entries = qla2x00_calc_iocbs_32;
1409 ha->isp_ops.build_iocbs = qla2x00_build_scsi_iocbs_32;
1410 ha->isp_ops.prep_ms_iocb = qla2x00_prep_ms_iocb;
1411 ha->isp_ops.prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb;
1412 ha->isp_ops.read_nvram = qla2x00_read_nvram_data;
1413 ha->isp_ops.write_nvram = qla2x00_write_nvram_data;
1414 ha->isp_ops.fw_dump = qla2100_fw_dump;
1415 ha->isp_ops.read_optrom = qla2x00_read_optrom_data;
1416 ha->isp_ops.write_optrom = qla2x00_write_optrom_data;
1417 if (IS_QLA2100(ha)) {
1418 host->max_id = MAX_TARGETS_2100;
1419 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
1420 ha->request_q_length = REQUEST_ENTRY_CNT_2100;
1421 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1422 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
1423 host->sg_tablesize = 32;
1424 ha->gid_list_info_size = 4;
1425 } else if (IS_QLA2200(ha)) {
1426 host->max_id = MAX_TARGETS_2200;
1427 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1428 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1429 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1430 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
1431 ha->gid_list_info_size = 4;
1432 } else if (IS_QLA23XX(ha)) {
1433 host->max_id = MAX_TARGETS_2200;
1434 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1435 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1436 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1437 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1438 ha->isp_ops.pci_config = qla2300_pci_config;
1439 ha->isp_ops.intr_handler = qla2300_intr_handler;
1440 ha->isp_ops.fw_dump = qla2300_fw_dump;
1441 ha->isp_ops.beacon_on = qla2x00_beacon_on;
1442 ha->isp_ops.beacon_off = qla2x00_beacon_off;
1443 ha->isp_ops.beacon_blink = qla2x00_beacon_blink;
1444 ha->gid_list_info_size = 6;
1445 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1446 ha->optrom_size = OPTROM_SIZE_2322;
1447 } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
1448 host->max_id = MAX_TARGETS_2200;
1449 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1450 ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
1451 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1452 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1453 ha->init_cb_size = sizeof(struct init_cb_24xx);
1454 ha->mgmt_svr_loop_id = 10;
1455 ha->isp_ops.pci_config = qla24xx_pci_config;
1456 ha->isp_ops.reset_chip = qla24xx_reset_chip;
1457 ha->isp_ops.chip_diag = qla24xx_chip_diag;
1458 ha->isp_ops.config_rings = qla24xx_config_rings;
1459 ha->isp_ops.reset_adapter = qla24xx_reset_adapter;
1460 ha->isp_ops.nvram_config = qla24xx_nvram_config;
1461 ha->isp_ops.update_fw_options = qla24xx_update_fw_options;
1462 ha->isp_ops.load_risc = qla24xx_load_risc;
1463 ha->isp_ops.pci_info_str = qla24xx_pci_info_str;
1464 ha->isp_ops.fw_version_str = qla24xx_fw_version_str;
1465 ha->isp_ops.intr_handler = qla24xx_intr_handler;
1466 ha->isp_ops.enable_intrs = qla24xx_enable_intrs;
1467 ha->isp_ops.disable_intrs = qla24xx_disable_intrs;
1468 ha->isp_ops.abort_command = qla24xx_abort_command;
1469 ha->isp_ops.abort_target = qla24xx_abort_target;
1470 ha->isp_ops.fabric_login = qla24xx_login_fabric;
1471 ha->isp_ops.fabric_logout = qla24xx_fabric_logout;
1472 ha->isp_ops.prep_ms_iocb = qla24xx_prep_ms_iocb;
1473 ha->isp_ops.prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb;
1474 ha->isp_ops.read_nvram = qla24xx_read_nvram_data;
1475 ha->isp_ops.write_nvram = qla24xx_write_nvram_data;
1476 ha->isp_ops.fw_dump = qla24xx_fw_dump;
1477 ha->isp_ops.read_optrom = qla24xx_read_optrom_data;
1478 ha->isp_ops.write_optrom = qla24xx_write_optrom_data;
1479 ha->isp_ops.beacon_on = qla24xx_beacon_on;
1480 ha->isp_ops.beacon_off = qla24xx_beacon_off;
1481 ha->isp_ops.beacon_blink = qla24xx_beacon_blink;
1482 ha->gid_list_info_size = 8;
1483 ha->optrom_size = OPTROM_SIZE_24XX;
1484 }
1485 host->can_queue = ha->request_q_length + 128;
1486
1487 /* load the F/W, read paramaters, and init the H/W */
1488 ha->instance = num_hosts;
1489
1490 init_MUTEX(&ha->mbx_cmd_sem);
1491 init_MUTEX_LOCKED(&ha->mbx_intr_sem);
1492
1493 INIT_LIST_HEAD(&ha->list);
1494 INIT_LIST_HEAD(&ha->fcports);
1495
1496 /*
1497 * These locks are used to prevent more than one CPU
1498 * from modifying the queue at the same time. The
1499 * higher level "host_lock" will reduce most
1500 * contention for these locks.
1501 */
1502 spin_lock_init(&ha->mbx_reg_lock);
1503
1504 qla2x00_config_dma_addressing(ha);
1505 if (qla2x00_mem_alloc(ha)) {
1506 qla_printk(KERN_WARNING, ha,
1507 "[ERROR] Failed to allocate memory for adapter\n");
1508
1509 ret = -ENOMEM;
1510 goto probe_failed;
1511 }
1512
1513 if (qla2x00_initialize_adapter(ha) &&
1514 !(ha->device_flags & DFLG_NO_CABLE)) {
1515
1516 qla_printk(KERN_WARNING, ha,
1517 "Failed to initialize adapter\n");
1518
1519 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1520 "Adapter flags %x.\n",
1521 ha->host_no, ha->device_flags));
1522
1523 ret = -ENODEV;
1524 goto probe_failed;
1525 }
1526
1527 /*
1528 * Startup the kernel thread for this host adapter
1529 */
1530 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
1531 "%s_dpc", ha->host_str);
1532 if (IS_ERR(ha->dpc_thread)) {
1533 qla_printk(KERN_WARNING, ha,
1534 "Unable to start DPC thread!\n");
1535 ret = PTR_ERR(ha->dpc_thread);
1536 goto probe_failed;
1537 }
1538
1539 host->this_id = 255;
1540 host->cmd_per_lun = 3;
1541 host->unique_id = ha->instance;
1542 host->max_cmd_len = MAX_CMDSZ;
1543 host->max_channel = MAX_BUSES - 1;
1544 host->max_lun = MAX_LUNS;
1545 host->transportt = qla2xxx_transport_template;
1546
1547 ret = request_irq(pdev->irq, ha->isp_ops.intr_handler,
1548 SA_INTERRUPT|SA_SHIRQ, QLA2XXX_DRIVER_NAME, ha);
1549 if (ret) {
1550 qla_printk(KERN_WARNING, ha,
1551 "Failed to reserve interrupt %d already in use.\n",
1552 pdev->irq);
1553 goto probe_failed;
1554 }
1555 host->irq = pdev->irq;
1556
1557 /* Initialized the timer */
1558 qla2x00_start_timer(ha, qla2x00_timer, WATCH_INTERVAL);
1559
1560 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
1561 ha->host_no, ha));
1562
1563 ha->isp_ops.disable_intrs(ha);
1564
1565 spin_lock_irqsave(&ha->hardware_lock, flags);
1566 reg = ha->iobase;
1567 if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
1568 WRT_REG_DWORD(&reg->isp24.hccr, HCCRX_CLR_HOST_INT);
1569 WRT_REG_DWORD(&reg->isp24.hccr, HCCRX_CLR_RISC_INT);
1570 } else {
1571 WRT_REG_WORD(&reg->isp.semaphore, 0);
1572 WRT_REG_WORD(&reg->isp.hccr, HCCR_CLR_RISC_INT);
1573 WRT_REG_WORD(&reg->isp.hccr, HCCR_CLR_HOST_INT);
1574
1575 /* Enable proper parity */
1576 if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1577 if (IS_QLA2300(ha))
1578 /* SRAM parity */
1579 WRT_REG_WORD(&reg->isp.hccr,
1580 (HCCR_ENABLE_PARITY + 0x1));
1581 else
1582 /* SRAM, Instruction RAM and GP RAM parity */
1583 WRT_REG_WORD(&reg->isp.hccr,
1584 (HCCR_ENABLE_PARITY + 0x7));
1585 }
1586 }
1587 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1588
1589 ha->isp_ops.enable_intrs(ha);
1590
1591 /* v2.19.5b6 */
1592 /*
1593 * Wait around max loop_reset_delay secs for the devices to come
1594 * on-line. We don't want Linux scanning before we are ready.
1595 *
1596 */
1597 for (wait_switch = jiffies + (ha->loop_reset_delay * HZ);
1598 time_before(jiffies,wait_switch) &&
1599 !(ha->device_flags & (DFLG_NO_CABLE | DFLG_FABRIC_DEVICES))
1600 && (ha->device_flags & SWITCH_FOUND) ;) {
1601
1602 qla2x00_check_fabric_devices(ha);
1603
1604 msleep(10);
1605 }
1606
1607 pci_set_drvdata(pdev, ha);
1608 ha->flags.init_done = 1;
1609 num_hosts++;
1610
1611 ret = scsi_add_host(host, &pdev->dev);
1612 if (ret)
1613 goto probe_failed;
1614
1615 qla2x00_alloc_sysfs_attr(ha);
1616
1617 qla2x00_init_host_attr(ha);
1618
1619 qla_printk(KERN_INFO, ha, "\n"
1620 " QLogic Fibre Channel HBA Driver: %s\n"
1621 " QLogic %s - %s\n"
1622 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
1623 qla2x00_version_str, ha->model_number,
1624 ha->model_desc ? ha->model_desc: "", pdev->device,
1625 ha->isp_ops.pci_info_str(ha, pci_info), pci_name(pdev),
1626 ha->flags.enable_64bit_addressing ? '+': '-', ha->host_no,
1627 ha->isp_ops.fw_version_str(ha, fw_str));
1628
1629 /* Go with fc_rport registration. */
1630 list_for_each_entry(fcport, &ha->fcports, list)
1631 qla2x00_reg_remote_port(ha, fcport);
1632
1633 return 0;
1634
1635 probe_failed:
1636 qla2x00_free_device(ha);
1637
1638 scsi_host_put(host);
1639
1640 probe_disable_device:
1641 pci_disable_device(pdev);
1642
1643 probe_out:
1644 return ret;
1645 }
1646
1647 static void qla2x00_remove_one(struct pci_dev *pdev)
1648 {
1649 scsi_qla_host_t *ha;
1650
1651 ha = pci_get_drvdata(pdev);
1652
1653 qla2x00_free_sysfs_attr(ha);
1654
1655 fc_remove_host(ha->host);
1656
1657 scsi_remove_host(ha->host);
1658
1659 qla2x00_free_device(ha);
1660
1661 scsi_host_put(ha->host);
1662
1663 pci_set_drvdata(pdev, NULL);
1664 }
1665
1666 static void
1667 qla2x00_free_device(scsi_qla_host_t *ha)
1668 {
1669 /* Disable timer */
1670 if (ha->timer_active)
1671 qla2x00_stop_timer(ha);
1672
1673 /* Kill the kernel thread for this host */
1674 if (ha->dpc_thread) {
1675 struct task_struct *t = ha->dpc_thread;
1676
1677 /*
1678 * qla2xxx_wake_dpc checks for ->dpc_thread
1679 * so we need to zero it out.
1680 */
1681 ha->dpc_thread = NULL;
1682 kthread_stop(t);
1683 }
1684
1685 if (ha->eft)
1686 qla2x00_trace_control(ha, TC_DISABLE, 0, 0);
1687
1688 /* Stop currently executing firmware. */
1689 qla2x00_stop_firmware(ha);
1690
1691 /* turn-off interrupts on the card */
1692 if (ha->interrupts_on)
1693 ha->isp_ops.disable_intrs(ha);
1694
1695 qla2x00_mem_free(ha);
1696
1697 ha->flags.online = 0;
1698
1699 /* Detach interrupts */
1700 if (ha->host->irq)
1701 free_irq(ha->host->irq, ha);
1702
1703 /* release io space registers */
1704 if (ha->iobase)
1705 iounmap(ha->iobase);
1706 pci_release_regions(ha->pdev);
1707
1708 pci_disable_device(ha->pdev);
1709 }
1710
1711 static inline void
1712 qla2x00_schedule_rport_del(struct scsi_qla_host *ha, fc_port_t *fcport,
1713 int defer)
1714 {
1715 unsigned long flags;
1716 struct fc_rport *rport;
1717
1718 if (!fcport->rport)
1719 return;
1720
1721 rport = fcport->rport;
1722 if (defer) {
1723 spin_lock_irqsave(&fcport->rport_lock, flags);
1724 fcport->drport = rport;
1725 fcport->rport = NULL;
1726 *(fc_port_t **)rport->dd_data = NULL;
1727 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1728 set_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags);
1729 } else {
1730 spin_lock_irqsave(&fcport->rport_lock, flags);
1731 fcport->rport = NULL;
1732 *(fc_port_t **)rport->dd_data = NULL;
1733 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1734 fc_remote_port_delete(rport);
1735 }
1736 }
1737
1738 /*
1739 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
1740 *
1741 * Input: ha = adapter block pointer. fcport = port structure pointer.
1742 *
1743 * Return: None.
1744 *
1745 * Context:
1746 */
1747 void qla2x00_mark_device_lost(scsi_qla_host_t *ha, fc_port_t *fcport,
1748 int do_login, int defer)
1749 {
1750 if (atomic_read(&fcport->state) == FCS_ONLINE)
1751 qla2x00_schedule_rport_del(ha, fcport, defer);
1752
1753 /*
1754 * We may need to retry the login, so don't change the state of the
1755 * port but do the retries.
1756 */
1757 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
1758 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1759
1760 if (!do_login)
1761 return;
1762
1763 if (fcport->login_retry == 0) {
1764 fcport->login_retry = ha->login_retry_count;
1765 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
1766
1767 DEBUG(printk("scsi(%ld): Port login retry: "
1768 "%02x%02x%02x%02x%02x%02x%02x%02x, "
1769 "id = 0x%04x retry cnt=%d\n",
1770 ha->host_no,
1771 fcport->port_name[0],
1772 fcport->port_name[1],
1773 fcport->port_name[2],
1774 fcport->port_name[3],
1775 fcport->port_name[4],
1776 fcport->port_name[5],
1777 fcport->port_name[6],
1778 fcport->port_name[7],
1779 fcport->loop_id,
1780 fcport->login_retry));
1781 }
1782 }
1783
1784 /*
1785 * qla2x00_mark_all_devices_lost
1786 * Updates fcport state when device goes offline.
1787 *
1788 * Input:
1789 * ha = adapter block pointer.
1790 * fcport = port structure pointer.
1791 *
1792 * Return:
1793 * None.
1794 *
1795 * Context:
1796 */
1797 void
1798 qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha, int defer)
1799 {
1800 fc_port_t *fcport;
1801
1802 list_for_each_entry(fcport, &ha->fcports, list) {
1803 if (fcport->port_type != FCT_TARGET)
1804 continue;
1805
1806 /*
1807 * No point in marking the device as lost, if the device is
1808 * already DEAD.
1809 */
1810 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
1811 continue;
1812 if (atomic_read(&fcport->state) == FCS_ONLINE)
1813 qla2x00_schedule_rport_del(ha, fcport, defer);
1814 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1815 }
1816
1817 if (defer)
1818 qla2xxx_wake_dpc(ha);
1819 }
1820
1821 /*
1822 * qla2x00_mem_alloc
1823 * Allocates adapter memory.
1824 *
1825 * Returns:
1826 * 0 = success.
1827 * 1 = failure.
1828 */
1829 static uint8_t
1830 qla2x00_mem_alloc(scsi_qla_host_t *ha)
1831 {
1832 char name[16];
1833 uint8_t status = 1;
1834 int retry= 10;
1835
1836 do {
1837 /*
1838 * This will loop only once if everything goes well, else some
1839 * number of retries will be performed to get around a kernel
1840 * bug where available mem is not allocated until after a
1841 * little delay and a retry.
1842 */
1843 ha->request_ring = dma_alloc_coherent(&ha->pdev->dev,
1844 (ha->request_q_length + 1) * sizeof(request_t),
1845 &ha->request_dma, GFP_KERNEL);
1846 if (ha->request_ring == NULL) {
1847 qla_printk(KERN_WARNING, ha,
1848 "Memory Allocation failed - request_ring\n");
1849
1850 qla2x00_mem_free(ha);
1851 msleep(100);
1852
1853 continue;
1854 }
1855
1856 ha->response_ring = dma_alloc_coherent(&ha->pdev->dev,
1857 (ha->response_q_length + 1) * sizeof(response_t),
1858 &ha->response_dma, GFP_KERNEL);
1859 if (ha->response_ring == NULL) {
1860 qla_printk(KERN_WARNING, ha,
1861 "Memory Allocation failed - response_ring\n");
1862
1863 qla2x00_mem_free(ha);
1864 msleep(100);
1865
1866 continue;
1867 }
1868
1869 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
1870 &ha->gid_list_dma, GFP_KERNEL);
1871 if (ha->gid_list == NULL) {
1872 qla_printk(KERN_WARNING, ha,
1873 "Memory Allocation failed - gid_list\n");
1874
1875 qla2x00_mem_free(ha);
1876 msleep(100);
1877
1878 continue;
1879 }
1880
1881 snprintf(name, sizeof(name), "%s_%ld", QLA2XXX_DRIVER_NAME,
1882 ha->host_no);
1883 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
1884 DMA_POOL_SIZE, 8, 0);
1885 if (ha->s_dma_pool == NULL) {
1886 qla_printk(KERN_WARNING, ha,
1887 "Memory Allocation failed - s_dma_pool\n");
1888
1889 qla2x00_mem_free(ha);
1890 msleep(100);
1891
1892 continue;
1893 }
1894
1895 /* get consistent memory allocated for init control block */
1896 ha->init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
1897 &ha->init_cb_dma);
1898 if (ha->init_cb == NULL) {
1899 qla_printk(KERN_WARNING, ha,
1900 "Memory Allocation failed - init_cb\n");
1901
1902 qla2x00_mem_free(ha);
1903 msleep(100);
1904
1905 continue;
1906 }
1907 memset(ha->init_cb, 0, ha->init_cb_size);
1908
1909 /* Allocate ioctl related memory. */
1910 if (qla2x00_alloc_ioctl_mem(ha)) {
1911 qla_printk(KERN_WARNING, ha,
1912 "Memory Allocation failed - ioctl_mem\n");
1913
1914 qla2x00_mem_free(ha);
1915 msleep(100);
1916
1917 continue;
1918 }
1919
1920 if (qla2x00_allocate_sp_pool(ha)) {
1921 qla_printk(KERN_WARNING, ha,
1922 "Memory Allocation failed - "
1923 "qla2x00_allocate_sp_pool()\n");
1924
1925 qla2x00_mem_free(ha);
1926 msleep(100);
1927
1928 continue;
1929 }
1930
1931 /* Allocate memory for SNS commands */
1932 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1933 /* Get consistent memory allocated for SNS commands */
1934 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
1935 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma,
1936 GFP_KERNEL);
1937 if (ha->sns_cmd == NULL) {
1938 /* error */
1939 qla_printk(KERN_WARNING, ha,
1940 "Memory Allocation failed - sns_cmd\n");
1941
1942 qla2x00_mem_free(ha);
1943 msleep(100);
1944
1945 continue;
1946 }
1947 memset(ha->sns_cmd, 0, sizeof(struct sns_cmd_pkt));
1948 } else {
1949 /* Get consistent memory allocated for MS IOCB */
1950 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
1951 &ha->ms_iocb_dma);
1952 if (ha->ms_iocb == NULL) {
1953 /* error */
1954 qla_printk(KERN_WARNING, ha,
1955 "Memory Allocation failed - ms_iocb\n");
1956
1957 qla2x00_mem_free(ha);
1958 msleep(100);
1959
1960 continue;
1961 }
1962 memset(ha->ms_iocb, 0, sizeof(ms_iocb_entry_t));
1963
1964 /*
1965 * Get consistent memory allocated for CT SNS
1966 * commands
1967 */
1968 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
1969 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma,
1970 GFP_KERNEL);
1971 if (ha->ct_sns == NULL) {
1972 /* error */
1973 qla_printk(KERN_WARNING, ha,
1974 "Memory Allocation failed - ct_sns\n");
1975
1976 qla2x00_mem_free(ha);
1977 msleep(100);
1978
1979 continue;
1980 }
1981 memset(ha->ct_sns, 0, sizeof(struct ct_sns_pkt));
1982 }
1983
1984 /* Done all allocations without any error. */
1985 status = 0;
1986
1987 } while (retry-- && status != 0);
1988
1989 if (status) {
1990 printk(KERN_WARNING
1991 "%s(): **** FAILED ****\n", __func__);
1992 }
1993
1994 return(status);
1995 }
1996
1997 /*
1998 * qla2x00_mem_free
1999 * Frees all adapter allocated memory.
2000 *
2001 * Input:
2002 * ha = adapter block pointer.
2003 */
2004 static void
2005 qla2x00_mem_free(scsi_qla_host_t *ha)
2006 {
2007 struct list_head *fcpl, *fcptemp;
2008 fc_port_t *fcport;
2009
2010 if (ha == NULL) {
2011 /* error */
2012 DEBUG2(printk("%s(): ERROR invalid ha pointer.\n", __func__));
2013 return;
2014 }
2015
2016 /* free ioctl memory */
2017 qla2x00_free_ioctl_mem(ha);
2018
2019 /* free sp pool */
2020 qla2x00_free_sp_pool(ha);
2021
2022 if (ha->fw_dump) {
2023 if (ha->eft)
2024 dma_free_coherent(&ha->pdev->dev,
2025 ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
2026 vfree(ha->fw_dump);
2027 }
2028
2029 if (ha->sns_cmd)
2030 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2031 ha->sns_cmd, ha->sns_cmd_dma);
2032
2033 if (ha->ct_sns)
2034 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2035 ha->ct_sns, ha->ct_sns_dma);
2036
2037 if (ha->ms_iocb)
2038 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2039
2040 if (ha->init_cb)
2041 dma_pool_free(ha->s_dma_pool, ha->init_cb, ha->init_cb_dma);
2042
2043 if (ha->s_dma_pool)
2044 dma_pool_destroy(ha->s_dma_pool);
2045
2046 if (ha->gid_list)
2047 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2048 ha->gid_list_dma);
2049
2050 if (ha->response_ring)
2051 dma_free_coherent(&ha->pdev->dev,
2052 (ha->response_q_length + 1) * sizeof(response_t),
2053 ha->response_ring, ha->response_dma);
2054
2055 if (ha->request_ring)
2056 dma_free_coherent(&ha->pdev->dev,
2057 (ha->request_q_length + 1) * sizeof(request_t),
2058 ha->request_ring, ha->request_dma);
2059
2060 ha->eft = NULL;
2061 ha->eft_dma = 0;
2062 ha->sns_cmd = NULL;
2063 ha->sns_cmd_dma = 0;
2064 ha->ct_sns = NULL;
2065 ha->ct_sns_dma = 0;
2066 ha->ms_iocb = NULL;
2067 ha->ms_iocb_dma = 0;
2068 ha->init_cb = NULL;
2069 ha->init_cb_dma = 0;
2070
2071 ha->s_dma_pool = NULL;
2072
2073 ha->gid_list = NULL;
2074 ha->gid_list_dma = 0;
2075
2076 ha->response_ring = NULL;
2077 ha->response_dma = 0;
2078 ha->request_ring = NULL;
2079 ha->request_dma = 0;
2080
2081 list_for_each_safe(fcpl, fcptemp, &ha->fcports) {
2082 fcport = list_entry(fcpl, fc_port_t, list);
2083
2084 /* fc ports */
2085 list_del_init(&fcport->list);
2086 kfree(fcport);
2087 }
2088 INIT_LIST_HEAD(&ha->fcports);
2089
2090 ha->fw_dump = NULL;
2091 ha->fw_dumped = 0;
2092 ha->fw_dump_reading = 0;
2093
2094 vfree(ha->optrom_buffer);
2095 }
2096
2097 /*
2098 * qla2x00_allocate_sp_pool
2099 * This routine is called during initialization to allocate
2100 * memory for local srb_t.
2101 *
2102 * Input:
2103 * ha = adapter block pointer.
2104 *
2105 * Context:
2106 * Kernel context.
2107 */
2108 static int
2109 qla2x00_allocate_sp_pool(scsi_qla_host_t *ha)
2110 {
2111 int rval;
2112
2113 rval = QLA_SUCCESS;
2114 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2115 if (ha->srb_mempool == NULL) {
2116 qla_printk(KERN_INFO, ha, "Unable to allocate SRB mempool.\n");
2117 rval = QLA_FUNCTION_FAILED;
2118 }
2119 return (rval);
2120 }
2121
2122 /*
2123 * This routine frees all adapter allocated memory.
2124 *
2125 */
2126 static void
2127 qla2x00_free_sp_pool( scsi_qla_host_t *ha)
2128 {
2129 if (ha->srb_mempool) {
2130 mempool_destroy(ha->srb_mempool);
2131 ha->srb_mempool = NULL;
2132 }
2133 }
2134
2135 /**************************************************************************
2136 * qla2x00_do_dpc
2137 * This kernel thread is a task that is schedule by the interrupt handler
2138 * to perform the background processing for interrupts.
2139 *
2140 * Notes:
2141 * This task always run in the context of a kernel thread. It
2142 * is kick-off by the driver's detect code and starts up
2143 * up one per adapter. It immediately goes to sleep and waits for
2144 * some fibre event. When either the interrupt handler or
2145 * the timer routine detects a event it will one of the task
2146 * bits then wake us up.
2147 **************************************************************************/
2148 static int
2149 qla2x00_do_dpc(void *data)
2150 {
2151 scsi_qla_host_t *ha;
2152 fc_port_t *fcport;
2153 uint8_t status;
2154 uint16_t next_loopid;
2155
2156 ha = (scsi_qla_host_t *)data;
2157
2158 set_user_nice(current, -20);
2159
2160 while (!kthread_should_stop()) {
2161 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2162
2163 set_current_state(TASK_INTERRUPTIBLE);
2164 schedule();
2165 __set_current_state(TASK_RUNNING);
2166
2167 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2168
2169 /* Initialization not yet finished. Don't do anything yet. */
2170 if (!ha->flags.init_done)
2171 continue;
2172
2173 DEBUG3(printk("scsi(%ld): DPC handler\n", ha->host_no));
2174
2175 ha->dpc_active = 1;
2176
2177 if (ha->flags.mbox_busy) {
2178 ha->dpc_active = 0;
2179 continue;
2180 }
2181
2182 if (test_and_clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
2183
2184 DEBUG(printk("scsi(%ld): dpc: sched "
2185 "qla2x00_abort_isp ha = %p\n",
2186 ha->host_no, ha));
2187 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
2188 &ha->dpc_flags))) {
2189
2190 if (qla2x00_abort_isp(ha)) {
2191 /* failed. retry later */
2192 set_bit(ISP_ABORT_NEEDED,
2193 &ha->dpc_flags);
2194 }
2195 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2196 }
2197 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
2198 ha->host_no));
2199 }
2200
2201 if (test_and_clear_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags))
2202 qla2x00_update_fcports(ha);
2203
2204 if (test_and_clear_bit(LOOP_RESET_NEEDED, &ha->dpc_flags)) {
2205 DEBUG(printk("scsi(%ld): dpc: sched loop_reset()\n",
2206 ha->host_no));
2207 qla2x00_loop_reset(ha);
2208 }
2209
2210 if (test_and_clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) &&
2211 (!(test_and_set_bit(RESET_ACTIVE, &ha->dpc_flags)))) {
2212
2213 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
2214 ha->host_no));
2215
2216 qla2x00_rst_aen(ha);
2217 clear_bit(RESET_ACTIVE, &ha->dpc_flags);
2218 }
2219
2220 /* Retry each device up to login retry count */
2221 if ((test_and_clear_bit(RELOGIN_NEEDED, &ha->dpc_flags)) &&
2222 !test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) &&
2223 atomic_read(&ha->loop_state) != LOOP_DOWN) {
2224
2225 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
2226 ha->host_no));
2227
2228 next_loopid = 0;
2229 list_for_each_entry(fcport, &ha->fcports, list) {
2230 if (fcport->port_type != FCT_TARGET)
2231 continue;
2232
2233 /*
2234 * If the port is not ONLINE then try to login
2235 * to it if we haven't run out of retries.
2236 */
2237 if (atomic_read(&fcport->state) != FCS_ONLINE &&
2238 fcport->login_retry) {
2239
2240 fcport->login_retry--;
2241 if (fcport->flags & FCF_FABRIC_DEVICE) {
2242 if (fcport->flags &
2243 FCF_TAPE_PRESENT)
2244 ha->isp_ops.fabric_logout(
2245 ha, fcport->loop_id,
2246 fcport->d_id.b.domain,
2247 fcport->d_id.b.area,
2248 fcport->d_id.b.al_pa);
2249 status = qla2x00_fabric_login(
2250 ha, fcport, &next_loopid);
2251 } else
2252 status =
2253 qla2x00_local_device_login(
2254 ha, fcport);
2255
2256 if (status == QLA_SUCCESS) {
2257 fcport->old_loop_id = fcport->loop_id;
2258
2259 DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n",
2260 ha->host_no, fcport->loop_id));
2261
2262 qla2x00_update_fcport(ha,
2263 fcport);
2264 } else if (status == 1) {
2265 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
2266 /* retry the login again */
2267 DEBUG(printk("scsi(%ld): Retrying %d login again loop_id 0x%x\n",
2268 ha->host_no,
2269 fcport->login_retry, fcport->loop_id));
2270 } else {
2271 fcport->login_retry = 0;
2272 }
2273 }
2274 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2275 break;
2276 }
2277 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
2278 ha->host_no));
2279 }
2280
2281 if ((test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags)) &&
2282 atomic_read(&ha->loop_state) != LOOP_DOWN) {
2283
2284 clear_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags);
2285 DEBUG(printk("scsi(%ld): qla2x00_login_retry()\n",
2286 ha->host_no));
2287
2288 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
2289
2290 DEBUG(printk("scsi(%ld): qla2x00_login_retry - end\n",
2291 ha->host_no));
2292 }
2293
2294 if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
2295
2296 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
2297 ha->host_no));
2298
2299 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
2300 &ha->dpc_flags))) {
2301
2302 qla2x00_loop_resync(ha);
2303
2304 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
2305 }
2306
2307 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
2308 ha->host_no));
2309 }
2310
2311 if (test_and_clear_bit(FCPORT_RESCAN_NEEDED, &ha->dpc_flags)) {
2312
2313 DEBUG(printk("scsi(%ld): Rescan flagged fcports...\n",
2314 ha->host_no));
2315
2316 qla2x00_rescan_fcports(ha);
2317
2318 DEBUG(printk("scsi(%ld): Rescan flagged fcports..."
2319 "end.\n",
2320 ha->host_no));
2321 }
2322
2323 if (!ha->interrupts_on)
2324 ha->isp_ops.enable_intrs(ha);
2325
2326 if (test_and_clear_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags))
2327 ha->isp_ops.beacon_blink(ha);
2328
2329 ha->dpc_active = 0;
2330 } /* End of while(1) */
2331
2332 DEBUG(printk("scsi(%ld): DPC handler exiting\n", ha->host_no));
2333
2334 /*
2335 * Make sure that nobody tries to wake us up again.
2336 */
2337 ha->dpc_active = 0;
2338
2339 return 0;
2340 }
2341
2342 void
2343 qla2xxx_wake_dpc(scsi_qla_host_t *ha)
2344 {
2345 if (ha->dpc_thread)
2346 wake_up_process(ha->dpc_thread);
2347 }
2348
2349 /*
2350 * qla2x00_rst_aen
2351 * Processes asynchronous reset.
2352 *
2353 * Input:
2354 * ha = adapter block pointer.
2355 */
2356 static void
2357 qla2x00_rst_aen(scsi_qla_host_t *ha)
2358 {
2359 if (ha->flags.online && !ha->flags.reset_active &&
2360 !atomic_read(&ha->loop_down_timer) &&
2361 !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) {
2362 do {
2363 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
2364
2365 /*
2366 * Issue marker command only when we are going to start
2367 * the I/O.
2368 */
2369 ha->marker_needed = 1;
2370 } while (!atomic_read(&ha->loop_down_timer) &&
2371 (test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags)));
2372 }
2373 }
2374
2375 static void
2376 qla2x00_sp_free_dma(scsi_qla_host_t *ha, srb_t *sp)
2377 {
2378 struct scsi_cmnd *cmd = sp->cmd;
2379
2380 if (sp->flags & SRB_DMA_VALID) {
2381 if (cmd->use_sg) {
2382 dma_unmap_sg(&ha->pdev->dev, cmd->request_buffer,
2383 cmd->use_sg, cmd->sc_data_direction);
2384 } else if (cmd->request_bufflen) {
2385 dma_unmap_single(&ha->pdev->dev, sp->dma_handle,
2386 cmd->request_bufflen, cmd->sc_data_direction);
2387 }
2388 sp->flags &= ~SRB_DMA_VALID;
2389 }
2390 CMD_SP(cmd) = NULL;
2391 }
2392
2393 void
2394 qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *sp)
2395 {
2396 struct scsi_cmnd *cmd = sp->cmd;
2397
2398 qla2x00_sp_free_dma(ha, sp);
2399
2400 mempool_free(sp, ha->srb_mempool);
2401
2402 cmd->scsi_done(cmd);
2403 }
2404
2405 /**************************************************************************
2406 * qla2x00_timer
2407 *
2408 * Description:
2409 * One second timer
2410 *
2411 * Context: Interrupt
2412 ***************************************************************************/
2413 static void
2414 qla2x00_timer(scsi_qla_host_t *ha)
2415 {
2416 unsigned long cpu_flags = 0;
2417 fc_port_t *fcport;
2418 int start_dpc = 0;
2419 int index;
2420 srb_t *sp;
2421 int t;
2422
2423 /*
2424 * Ports - Port down timer.
2425 *
2426 * Whenever, a port is in the LOST state we start decrementing its port
2427 * down timer every second until it reaches zero. Once it reaches zero
2428 * the port it marked DEAD.
2429 */
2430 t = 0;
2431 list_for_each_entry(fcport, &ha->fcports, list) {
2432 if (fcport->port_type != FCT_TARGET)
2433 continue;
2434
2435 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2436
2437 if (atomic_read(&fcport->port_down_timer) == 0)
2438 continue;
2439
2440 if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
2441 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
2442
2443 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
2444 "%d remaining\n",
2445 ha->host_no,
2446 t, atomic_read(&fcport->port_down_timer)));
2447 }
2448 t++;
2449 } /* End of for fcport */
2450
2451
2452 /* Loop down handler. */
2453 if (atomic_read(&ha->loop_down_timer) > 0 &&
2454 !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) && ha->flags.online) {
2455
2456 if (atomic_read(&ha->loop_down_timer) ==
2457 ha->loop_down_abort_time) {
2458
2459 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2460 "queues before time expire\n",
2461 ha->host_no));
2462
2463 if (!IS_QLA2100(ha) && ha->link_down_timeout)
2464 atomic_set(&ha->loop_state, LOOP_DEAD);
2465
2466 /* Schedule an ISP abort to return any tape commands. */
2467 spin_lock_irqsave(&ha->hardware_lock, cpu_flags);
2468 for (index = 1; index < MAX_OUTSTANDING_COMMANDS;
2469 index++) {
2470 fc_port_t *sfcp;
2471
2472 sp = ha->outstanding_cmds[index];
2473 if (!sp)
2474 continue;
2475 sfcp = sp->fcport;
2476 if (!(sfcp->flags & FCF_TAPE_PRESENT))
2477 continue;
2478
2479 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
2480 break;
2481 }
2482 spin_unlock_irqrestore(&ha->hardware_lock, cpu_flags);
2483
2484 set_bit(ABORT_QUEUES_NEEDED, &ha->dpc_flags);
2485 start_dpc++;
2486 }
2487
2488 /* if the loop has been down for 4 minutes, reinit adapter */
2489 if (atomic_dec_and_test(&ha->loop_down_timer) != 0) {
2490 DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - "
2491 "restarting queues.\n",
2492 ha->host_no));
2493
2494 set_bit(RESTART_QUEUES_NEEDED, &ha->dpc_flags);
2495 start_dpc++;
2496
2497 if (!(ha->device_flags & DFLG_NO_CABLE)) {
2498 DEBUG(printk("scsi(%ld): Loop down - "
2499 "aborting ISP.\n",
2500 ha->host_no));
2501 qla_printk(KERN_WARNING, ha,
2502 "Loop down - aborting ISP.\n");
2503
2504 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
2505 }
2506 }
2507 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
2508 ha->host_no,
2509 atomic_read(&ha->loop_down_timer)));
2510 }
2511
2512 /* Check if beacon LED needs to be blinked */
2513 if (ha->beacon_blink_led == 1) {
2514 set_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags);
2515 start_dpc++;
2516 }
2517
2518 /* Schedule the DPC routine if needed */
2519 if ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) ||
2520 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) ||
2521 test_bit(LOOP_RESET_NEEDED, &ha->dpc_flags) ||
2522 test_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags) ||
2523 start_dpc ||
2524 test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags) ||
2525 test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) ||
2526 test_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags) ||
2527 test_bit(RELOGIN_NEEDED, &ha->dpc_flags)))
2528 qla2xxx_wake_dpc(ha);
2529
2530 qla2x00_restart_timer(ha, WATCH_INTERVAL);
2531 }
2532
2533 /* XXX(hch): crude hack to emulate a down_timeout() */
2534 int
2535 qla2x00_down_timeout(struct semaphore *sema, unsigned long timeout)
2536 {
2537 const unsigned int step = 100; /* msecs */
2538 unsigned int iterations = jiffies_to_msecs(timeout)/100;
2539
2540 do {
2541 if (!down_trylock(sema))
2542 return 0;
2543 if (msleep_interruptible(step))
2544 break;
2545 } while (--iterations >= 0);
2546
2547 return -ETIMEDOUT;
2548 }
2549
2550 /* Firmware interface routines. */
2551
2552 #define FW_BLOBS 5
2553 #define FW_ISP21XX 0
2554 #define FW_ISP22XX 1
2555 #define FW_ISP2300 2
2556 #define FW_ISP2322 3
2557 #define FW_ISP24XX 4
2558
2559 static DECLARE_MUTEX(qla_fw_lock);
2560
2561 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
2562 { .name = "ql2100_fw.bin", .segs = { 0x1000, 0 }, },
2563 { .name = "ql2200_fw.bin", .segs = { 0x1000, 0 }, },
2564 { .name = "ql2300_fw.bin", .segs = { 0x800, 0 }, },
2565 { .name = "ql2322_fw.bin", .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
2566 { .name = "ql2400_fw.bin", },
2567 };
2568
2569 struct fw_blob *
2570 qla2x00_request_firmware(scsi_qla_host_t *ha)
2571 {
2572 struct fw_blob *blob;
2573
2574 blob = NULL;
2575 if (IS_QLA2100(ha)) {
2576 blob = &qla_fw_blobs[FW_ISP21XX];
2577 } else if (IS_QLA2200(ha)) {
2578 blob = &qla_fw_blobs[FW_ISP22XX];
2579 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
2580 blob = &qla_fw_blobs[FW_ISP2300];
2581 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
2582 blob = &qla_fw_blobs[FW_ISP2322];
2583 } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
2584 blob = &qla_fw_blobs[FW_ISP24XX];
2585 }
2586
2587 down(&qla_fw_lock);
2588 if (blob->fw)
2589 goto out;
2590
2591 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
2592 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
2593 "(%s).\n", ha->host_no, blob->name));
2594 blob->fw = NULL;
2595 blob = NULL;
2596 goto out;
2597 }
2598
2599 out:
2600 up(&qla_fw_lock);
2601 return blob;
2602 }
2603
2604 static void
2605 qla2x00_release_firmware(void)
2606 {
2607 int idx;
2608
2609 down(&qla_fw_lock);
2610 for (idx = 0; idx < FW_BLOBS; idx++)
2611 if (qla_fw_blobs[idx].fw)
2612 release_firmware(qla_fw_blobs[idx].fw);
2613 up(&qla_fw_lock);
2614 }
2615
2616 static struct pci_device_id qla2xxx_pci_tbl[] = {
2617 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
2618 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
2619 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
2620 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
2621 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
2622 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
2623 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
2624 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
2625 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
2626 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
2627 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
2628 { 0 },
2629 };
2630 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
2631
2632 static int __devinit
2633 qla2xxx_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
2634 {
2635 return qla2x00_probe_one(pdev);
2636 }
2637
2638 static void __devexit
2639 qla2xxx_remove_one(struct pci_dev *pdev)
2640 {
2641 qla2x00_remove_one(pdev);
2642 }
2643
2644 static struct pci_driver qla2xxx_pci_driver = {
2645 .name = QLA2XXX_DRIVER_NAME,
2646 .driver = {
2647 .owner = THIS_MODULE,
2648 },
2649 .id_table = qla2xxx_pci_tbl,
2650 .probe = qla2xxx_probe_one,
2651 .remove = __devexit_p(qla2xxx_remove_one),
2652 };
2653
2654 static inline int
2655 qla2x00_pci_module_init(void)
2656 {
2657 return pci_module_init(&qla2xxx_pci_driver);
2658 }
2659
2660 static inline void
2661 qla2x00_pci_module_exit(void)
2662 {
2663 pci_unregister_driver(&qla2xxx_pci_driver);
2664 }
2665
2666 /**
2667 * qla2x00_module_init - Module initialization.
2668 **/
2669 static int __init
2670 qla2x00_module_init(void)
2671 {
2672 int ret = 0;
2673
2674 /* Allocate cache for SRBs. */
2675 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
2676 SLAB_HWCACHE_ALIGN, NULL, NULL);
2677 if (srb_cachep == NULL) {
2678 printk(KERN_ERR
2679 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
2680 return -ENOMEM;
2681 }
2682
2683 /* Derive version string. */
2684 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
2685 #if DEBUG_QLA2100
2686 strcat(qla2x00_version_str, "-debug");
2687 #endif
2688 qla2xxx_transport_template =
2689 fc_attach_transport(&qla2xxx_transport_functions);
2690 if (!qla2xxx_transport_template)
2691 return -ENODEV;
2692
2693 printk(KERN_INFO "QLogic Fibre Channel HBA Driver\n");
2694 ret = qla2x00_pci_module_init();
2695 if (ret) {
2696 kmem_cache_destroy(srb_cachep);
2697 fc_release_transport(qla2xxx_transport_template);
2698 }
2699 return ret;
2700 }
2701
2702 /**
2703 * qla2x00_module_exit - Module cleanup.
2704 **/
2705 static void __exit
2706 qla2x00_module_exit(void)
2707 {
2708 qla2x00_pci_module_exit();
2709 qla2x00_release_firmware();
2710 kmem_cache_destroy(srb_cachep);
2711 fc_release_transport(qla2xxx_transport_template);
2712 }
2713
2714 module_init(qla2x00_module_init);
2715 module_exit(qla2x00_module_exit);
2716
2717 MODULE_AUTHOR("QLogic Corporation");
2718 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
2719 MODULE_LICENSE("GPL");
2720 MODULE_VERSION(QLA2XXX_VERSION);
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