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[SCSI] qla2xxx: Move RISC-interrupt-register modifications to qla2x00_request_irqs().
[net-next-2.6.git] / drivers / scsi / qla2xxx / qla_os.c
CommitLineData
1da177e4 1/*
fa90c54f
AV		 2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2005 QLogic Corporation
1da177e4 4 *
fa90c54f 5 * See LICENSE.qla2xxx for copyright and licensing details.
1da177e4
LT		 6 */
7#include "qla_def.h"
8
9#include <linux/moduleparam.h>
10#include <linux/vmalloc.h>
1da177e4 11#include <linux/delay.h>
39a11240 12#include <linux/kthread.h>
1da177e4
LT		 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 */
22char qla2x00_version_str[40];
23
24/*
25 * SRB allocation cache
26 */
e18b890b 27static struct kmem_cache *srb_cachep;
1da177e4
LT		 28
29/*
30 * Ioctl related information.
31 */
2c3dfe3f 32int num_hosts;
1da177e4
LT		 33int ql2xlogintimeout = 20;
34module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR);
35MODULE_PARM_DESC(ql2xlogintimeout,
36 "Login timeout value in seconds.");
37
a7b61842 38int qlport_down_retry;
1da177e4
LT		 39module_param(qlport_down_retry, int, S_IRUGO|S_IRUSR);
40MODULE_PARM_DESC(qlport_down_retry,
900d9f98 41 "Maximum number of command retries to a port that returns "
1da177e4
LT		 42 "a PORT-DOWN status.");
43
1da177e4
LT		 44int ql2xplogiabsentdevice;
45module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
46MODULE_PARM_DESC(ql2xplogiabsentdevice,
47 "Option to enable PLOGI to devices that are not present after "
900d9f98 48 "a Fabric scan. This is needed for several broken switches. "
1da177e4
LT		 49 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
50
1da177e4
LT		 51int ql2xloginretrycount = 0;
52module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR);
53MODULE_PARM_DESC(ql2xloginretrycount,
54 "Specify an alternate value for the NVRAM login retry count.");
55
a7a167bf
AV		 56int ql2xallocfwdump = 1;
57module_param(ql2xallocfwdump, int, S_IRUGO|S_IRUSR);
58MODULE_PARM_DESC(ql2xallocfwdump,
59 "Option to enable allocation of memory for a firmware dump "
60 "during HBA initialization. Memory allocation requirements "
61 "vary by ISP type. Default is 1 - allocate memory.");
62
11010fec 63int ql2xextended_error_logging;
27d94035 64module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
11010fec 65MODULE_PARM_DESC(ql2xextended_error_logging,
0181944f
AV		 66 "Option to enable extended error logging, "
67 "Default is 0 - no logging. 1 - log errors.");
68
1da177e4
LT		 69static void qla2x00_free_device(scsi_qla_host_t *);
70
71static void qla2x00_config_dma_addressing(scsi_qla_host_t *ha);
72
cca5335c
AV		 73int ql2xfdmienable;
74module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR);
75MODULE_PARM_DESC(ql2xfdmienable,
76 "Enables FDMI registratons "
77 "Default is 0 - no FDMI. 1 - perfom FDMI.");
78
df7baa50
AV		 79#define MAX_Q_DEPTH 32
80static int ql2xmaxqdepth = MAX_Q_DEPTH;
81module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
82MODULE_PARM_DESC(ql2xmaxqdepth,
83 "Maximum queue depth to report for target devices.");
84
85int ql2xqfullrampup = 120;
86module_param(ql2xqfullrampup, int, S_IRUGO|S_IWUSR);
87MODULE_PARM_DESC(ql2xqfullrampup,
88 "Number of seconds to wait to begin to ramp-up the queue "
89 "depth for a device after a queue-full condition has been "
90 "detected. Default is 120 seconds.");
91
1da177e4 92/*
fa2a1ce5 93 * SCSI host template entry points
1da177e4
LT		 94 */
95static int qla2xxx_slave_configure(struct scsi_device * device);
f4f051eb 96static int qla2xxx_slave_alloc(struct scsi_device *);
1e99e33a
AV		 97static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
98static void qla2xxx_scan_start(struct Scsi_Host *);
f4f051eb 99static void qla2xxx_slave_destroy(struct scsi_device *);
1da177e4
LT		 100static int qla2x00_queuecommand(struct scsi_cmnd *cmd,
101 void (*fn)(struct scsi_cmnd *));
fca29703
AV		 102static int qla24xx_queuecommand(struct scsi_cmnd *cmd,
103 void (*fn)(struct scsi_cmnd *));
1da177e4
LT		 104static int qla2xxx_eh_abort(struct scsi_cmnd *);
105static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
106static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
107static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
1da177e4
LT		 108static int qla2x00_device_reset(scsi_qla_host_t *, fc_port_t *);
109
ce7e4af7
AV		 110static int qla2x00_change_queue_depth(struct scsi_device *, int);
111static int qla2x00_change_queue_type(struct scsi_device *, int);
112
a824ebb3 113static struct scsi_host_template qla2x00_driver_template = {
1da177e4 114 .module = THIS_MODULE,
cb63067a 115 .name = QLA2XXX_DRIVER_NAME,
1da177e4
LT		 116 .queuecommand = qla2x00_queuecommand,
117
118 .eh_abort_handler = qla2xxx_eh_abort,
119 .eh_device_reset_handler = qla2xxx_eh_device_reset,
120 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
121 .eh_host_reset_handler = qla2xxx_eh_host_reset,
122
123 .slave_configure = qla2xxx_slave_configure,
124
f4f051eb
AV		 125 .slave_alloc = qla2xxx_slave_alloc,
126 .slave_destroy = qla2xxx_slave_destroy,
1e99e33a
AV		 127 .scan_finished = qla2xxx_scan_finished,
128 .scan_start = qla2xxx_scan_start,
ce7e4af7
AV		 129 .change_queue_depth = qla2x00_change_queue_depth,
130 .change_queue_type = qla2x00_change_queue_type,
1da177e4
LT		 131 .this_id = -1,
132 .cmd_per_lun = 3,
133 .use_clustering = ENABLE_CLUSTERING,
134 .sg_tablesize = SG_ALL,
135
136 /*
137 * The RISC allows for each command to transfer (2^32-1) bytes of data,
138 * which equates to 0x800000 sectors.
139 */
140 .max_sectors = 0xFFFF,
afb046e2 141 .shost_attrs = qla2x00_host_attrs,
1da177e4
LT		 142};
143
2c3dfe3f 144struct scsi_host_template qla24xx_driver_template = {
fca29703 145 .module = THIS_MODULE,
cb63067a 146 .name = QLA2XXX_DRIVER_NAME,
fca29703
AV		 147 .queuecommand = qla24xx_queuecommand,
148
149 .eh_abort_handler = qla2xxx_eh_abort,
150 .eh_device_reset_handler = qla2xxx_eh_device_reset,
151 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
152 .eh_host_reset_handler = qla2xxx_eh_host_reset,
153
154 .slave_configure = qla2xxx_slave_configure,
155
156 .slave_alloc = qla2xxx_slave_alloc,
157 .slave_destroy = qla2xxx_slave_destroy,
ed677086
AV		 158 .scan_finished = qla2xxx_scan_finished,
159 .scan_start = qla2xxx_scan_start,
ce7e4af7
AV		 160 .change_queue_depth = qla2x00_change_queue_depth,
161 .change_queue_type = qla2x00_change_queue_type,
fca29703
AV		 162 .this_id = -1,
163 .cmd_per_lun = 3,
164 .use_clustering = ENABLE_CLUSTERING,
165 .sg_tablesize = SG_ALL,
166
167 .max_sectors = 0xFFFF,
afb046e2 168 .shost_attrs = qla2x00_host_attrs,
fca29703
AV		 169};
170
1da177e4 171static struct scsi_transport_template *qla2xxx_transport_template = NULL;
2c3dfe3f 172struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
1da177e4 173
1da177e4
LT		 174/* TODO Convert to inlines
175 *
176 * Timer routines
177 */
1da177e4 178
2c3dfe3f 179__inline__ void
1da177e4
LT		 180qla2x00_start_timer(scsi_qla_host_t *ha, void *func, unsigned long interval)
181{
182 init_timer(&ha->timer);
183 ha->timer.expires = jiffies + interval * HZ;
184 ha->timer.data = (unsigned long)ha;
185 ha->timer.function = (void (*)(unsigned long))func;
186 add_timer(&ha->timer);
187 ha->timer_active = 1;
188}
189
190static inline void
191qla2x00_restart_timer(scsi_qla_host_t *ha, unsigned long interval)
192{
193 mod_timer(&ha->timer, jiffies + interval * HZ);
194}
195
a824ebb3 196static __inline__ void
1da177e4
LT		 197qla2x00_stop_timer(scsi_qla_host_t *ha)
198{
199 del_timer_sync(&ha->timer);
200 ha->timer_active = 0;
201}
202
1da177e4
LT		 203static int qla2x00_do_dpc(void *data);
204
205static void qla2x00_rst_aen(scsi_qla_host_t *);
206
e8711085 207static int qla2x00_mem_alloc(scsi_qla_host_t *);
a824ebb3 208static void qla2x00_mem_free(scsi_qla_host_t *ha);
f4f051eb 209static void qla2x00_sp_free_dma(scsi_qla_host_t *, srb_t *);
1da177e4 210
1da177e4
LT		 211/* -------------------------------------------------------------------------- */
212
1da177e4 213static char *
abbd8870 214qla2x00_pci_info_str(struct scsi_qla_host *ha, char *str)
1da177e4
LT		 215{
216 static char *pci_bus_modes[] = {
217 "33", "66", "100", "133",
218 };
219 uint16_t pci_bus;
220
221 strcpy(str, "PCI");
222 pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
223 if (pci_bus) {
224 strcat(str, "-X (");
225 strcat(str, pci_bus_modes[pci_bus]);
226 } else {
227 pci_bus = (ha->pci_attr & BIT_8) >> 8;
228 strcat(str, " (");
229 strcat(str, pci_bus_modes[pci_bus]);
230 }
231 strcat(str, " MHz)");
232
233 return (str);
234}
235
fca29703
AV		 236static char *
237qla24xx_pci_info_str(struct scsi_qla_host *ha, char *str)
238{
239 static char *pci_bus_modes[] = { "33", "66", "100", "133", };
240 uint32_t pci_bus;
241 int pcie_reg;
242
243 pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
244 if (pcie_reg) {
245 char lwstr[6];
246 uint16_t pcie_lstat, lspeed, lwidth;
247
248 pcie_reg += 0x12;
249 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
250 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
251 lwidth = (pcie_lstat &
252 (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
253
254 strcpy(str, "PCIe (");
255 if (lspeed == 1)
256 strcat(str, "2.5Gb/s ");
c3a2f0df
AV		 257 else if (lspeed == 2)
258 strcat(str, "5.0Gb/s ");
fca29703
AV		 259 else
260 strcat(str, "<unknown> ");
261 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
262 strcat(str, lwstr);
263
264 return str;
265 }
266
267 strcpy(str, "PCI");
268 pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
269 if (pci_bus == 0 || pci_bus == 8) {
270 strcat(str, " (");
271 strcat(str, pci_bus_modes[pci_bus >> 3]);
272 } else {
273 strcat(str, "-X ");
274 if (pci_bus & BIT_2)
275 strcat(str, "Mode 2");
276 else
277 strcat(str, "Mode 1");
278 strcat(str, " (");
279 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
280 }
281 strcat(str, " MHz)");
282
283 return str;
284}
285
e5f82ab8 286static char *
abbd8870 287qla2x00_fw_version_str(struct scsi_qla_host *ha, char *str)
1da177e4
LT		 288{
289 char un_str[10];
fa2a1ce5 290
1da177e4
LT		 291 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
292 ha->fw_minor_version,
293 ha->fw_subminor_version);
294
295 if (ha->fw_attributes & BIT_9) {
296 strcat(str, "FLX");
297 return (str);
298 }
299
300 switch (ha->fw_attributes & 0xFF) {
301 case 0x7:
302 strcat(str, "EF");
303 break;
304 case 0x17:
305 strcat(str, "TP");
306 break;
307 case 0x37:
308 strcat(str, "IP");
309 break;
310 case 0x77:
311 strcat(str, "VI");
312 break;
313 default:
314 sprintf(un_str, "(%x)", ha->fw_attributes);
315 strcat(str, un_str);
316 break;
317 }
318 if (ha->fw_attributes & 0x100)
319 strcat(str, "X");
320
321 return (str);
322}
323
e5f82ab8 324static char *
fca29703
AV		 325qla24xx_fw_version_str(struct scsi_qla_host *ha, char *str)
326{
f0883ac6
AV		 327 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
328 ha->fw_minor_version,
329 ha->fw_subminor_version);
330
fca29703
AV		 331 if (ha->fw_attributes & BIT_0)
332 strcat(str, "[Class 2] ");
333 if (ha->fw_attributes & BIT_1)
334 strcat(str, "[IP] ");
335 if (ha->fw_attributes & BIT_2)
336 strcat(str, "[Multi-ID] ");
c3a2f0df
AV		 337 if (ha->fw_attributes & BIT_3)
338 strcat(str, "[SB-2] ");
339 if (ha->fw_attributes & BIT_4)
340 strcat(str, "[T10 CRC] ");
341 if (ha->fw_attributes & BIT_5)
342 strcat(str, "[VI] ");
fca29703
AV		 343 if (ha->fw_attributes & BIT_13)
344 strcat(str, "[Experimental]");
345 return str;
fca29703
AV		 346}
347
348static inline srb_t *
349qla2x00_get_new_sp(scsi_qla_host_t *ha, fc_port_t *fcport,
350 struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
351{
352 srb_t *sp;
353
354 sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
355 if (!sp)
356 return sp;
357
fca29703
AV		 358 sp->ha = ha;
359 sp->fcport = fcport;
360 sp->cmd = cmd;
361 sp->flags = 0;
362 CMD_SP(cmd) = (void *)sp;
363 cmd->scsi_done = done;
364
365 return sp;
366}
367
1da177e4 368static int
f4f051eb 369qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
1da177e4 370{
f363b943 371 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
bdf79621 372 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
19a7b4ae 373 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
f4f051eb
AV		 374 srb_t *sp;
375 int rval;
1da177e4 376
14e660e6
SJ		 377 if (unlikely(pci_channel_offline(ha->pdev))) {
378 cmd->result = DID_REQUEUE << 16;
379 goto qc_fail_command;
380 }
381
19a7b4ae
JSEC		 382 rval = fc_remote_port_chkready(rport);
383 if (rval) {
384 cmd->result = rval;
f4f051eb
AV		 385 goto qc_fail_command;
386 }
1da177e4 387
387f96b4
AV		 388 /* Close window on fcport/rport state-transitioning. */
389 if (!*(fc_port_t **)rport->dd_data) {
390 cmd->result = DID_IMM_RETRY << 16;
391 goto qc_fail_command;
392 }
393
f4f051eb
AV		 394 if (atomic_read(&fcport->state) != FCS_ONLINE) {
395 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
396 atomic_read(&ha->loop_state) == LOOP_DEAD) {
397 cmd->result = DID_NO_CONNECT << 16;
398 goto qc_fail_command;
399 }
400 goto qc_host_busy;
401 }
1da177e4
LT		 402
403 spin_unlock_irq(ha->host->host_lock);
404
fca29703
AV		 405 sp = qla2x00_get_new_sp(ha, fcport, cmd, done);
406 if (!sp)
f4f051eb 407 goto qc_host_busy_lock;
1da177e4 408
f4f051eb
AV		 409 rval = qla2x00_start_scsi(sp);
410 if (rval != QLA_SUCCESS)
411 goto qc_host_busy_free_sp;
1da177e4 412
f4f051eb 413 spin_lock_irq(ha->host->host_lock);
1da177e4 414
f4f051eb 415 return 0;
1da177e4 416
f4f051eb
AV		 417qc_host_busy_free_sp:
418 qla2x00_sp_free_dma(ha, sp);
f4f051eb 419 mempool_free(sp, ha->srb_mempool);
1da177e4 420
f4f051eb
AV		 421qc_host_busy_lock:
422 spin_lock_irq(ha->host->host_lock);
1da177e4 423
f4f051eb
AV		 424qc_host_busy:
425 return SCSI_MLQUEUE_HOST_BUSY;
1da177e4 426
f4f051eb
AV		 427qc_fail_command:
428 done(cmd);
1da177e4 429
f4f051eb 430 return 0;
1da177e4
LT		 431}
432
fca29703
AV		 433
434static int
435qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
436{
f363b943 437 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
fca29703 438 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
19a7b4ae 439 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
fca29703
AV		 440 srb_t *sp;
441 int rval;
2c3dfe3f 442 scsi_qla_host_t *pha = to_qla_parent(ha);
fca29703 443
14e660e6
SJ		 444 if (unlikely(pci_channel_offline(ha->pdev))) {
445 cmd->result = DID_REQUEUE << 16;
446 goto qc24_fail_command;
447 }
448
19a7b4ae
JSEC		 449 rval = fc_remote_port_chkready(rport);
450 if (rval) {
451 cmd->result = rval;
fca29703
AV		 452 goto qc24_fail_command;
453 }
454
387f96b4
AV		 455 /* Close window on fcport/rport state-transitioning. */
456 if (!*(fc_port_t **)rport->dd_data) {
457 cmd->result = DID_IMM_RETRY << 16;
458 goto qc24_fail_command;
459 }
460
fca29703
AV		 461 if (atomic_read(&fcport->state) != FCS_ONLINE) {
462 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
2c3dfe3f 463 atomic_read(&pha->loop_state) == LOOP_DEAD) {
fca29703
AV		 464 cmd->result = DID_NO_CONNECT << 16;
465 goto qc24_fail_command;
466 }
467 goto qc24_host_busy;
468 }
469
470 spin_unlock_irq(ha->host->host_lock);
471
2c3dfe3f 472 sp = qla2x00_get_new_sp(pha, fcport, cmd, done);
fca29703
AV		 473 if (!sp)
474 goto qc24_host_busy_lock;
475
476 rval = qla24xx_start_scsi(sp);
477 if (rval != QLA_SUCCESS)
478 goto qc24_host_busy_free_sp;
479
480 spin_lock_irq(ha->host->host_lock);
481
482 return 0;
483
484qc24_host_busy_free_sp:
2c3dfe3f
SJ		 485 qla2x00_sp_free_dma(pha, sp);
486 mempool_free(sp, pha->srb_mempool);
fca29703
AV		 487
488qc24_host_busy_lock:
489 spin_lock_irq(ha->host->host_lock);
490
491qc24_host_busy:
492 return SCSI_MLQUEUE_HOST_BUSY;
493
494qc24_fail_command:
495 done(cmd);
496
497 return 0;
498}
499
500
1da177e4
LT		 501/*
502 * qla2x00_eh_wait_on_command
503 * Waits for the command to be returned by the Firmware for some
504 * max time.
505 *
506 * Input:
507 * ha = actual ha whose done queue will contain the command
508 * returned by firmware.
509 * cmd = Scsi Command to wait on.
510 * flag = Abort/Reset(Bus or Device Reset)
511 *
512 * Return:
513 * Not Found : 0
514 * Found : 1
515 */
516static int
517qla2x00_eh_wait_on_command(scsi_qla_host_t *ha, struct scsi_cmnd *cmd)
518{
fe74c71f
AV		 519#define ABORT_POLLING_PERIOD 1000
520#define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
f4f051eb
AV		 521 unsigned long wait_iter = ABORT_WAIT_ITER;
522 int ret = QLA_SUCCESS;
1da177e4 523
f4f051eb 524 while (CMD_SP(cmd)) {
fe74c71f 525 msleep(ABORT_POLLING_PERIOD);
1da177e4 526
f4f051eb
AV		 527 if (--wait_iter)
528 break;
529 }
530 if (CMD_SP(cmd))
531 ret = QLA_FUNCTION_FAILED;
1da177e4 532
f4f051eb 533 return ret;
1da177e4
LT		 534}
535
536/*
537 * qla2x00_wait_for_hba_online
fa2a1ce5 538 * Wait till the HBA is online after going through
1da177e4
LT		 539 * <= MAX_RETRIES_OF_ISP_ABORT or
540 * finally HBA is disabled ie marked offline
541 *
542 * Input:
543 * ha - pointer to host adapter structure
fa2a1ce5
AV		 544 *
545 * Note:
1da177e4
LT		 546 * Does context switching-Release SPIN_LOCK
547 * (if any) before calling this routine.
548 *
549 * Return:
550 * Success (Adapter is online) : 0
551 * Failed (Adapter is offline/disabled) : 1
552 */
854165f4 553int
1da177e4
LT		 554qla2x00_wait_for_hba_online(scsi_qla_host_t *ha)
555{
fca29703
AV		 556 int return_status;
557 unsigned long wait_online;
2c3dfe3f 558 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4 559
fa2a1ce5 560 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
2c3dfe3f
SJ		 561 while (((test_bit(ISP_ABORT_NEEDED, &pha->dpc_flags)) ||
562 test_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags) ||
563 test_bit(ISP_ABORT_RETRY, &pha->dpc_flags) ||
564 pha->dpc_active) && time_before(jiffies, wait_online)) {
1da177e4
LT		 565
566 msleep(1000);
567 }
2c3dfe3f 568 if (pha->flags.online)
fa2a1ce5 569 return_status = QLA_SUCCESS;
1da177e4
LT		 570 else
571 return_status = QLA_FUNCTION_FAILED;
572
573 DEBUG2(printk("%s return_status=%d\n",__func__,return_status));
574
575 return (return_status);
576}
577
578/*
579 * qla2x00_wait_for_loop_ready
580 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
fa2a1ce5 581 * to be in LOOP_READY state.
1da177e4
LT		 582 * Input:
583 * ha - pointer to host adapter structure
fa2a1ce5
AV		 584 *
585 * Note:
1da177e4
LT		 586 * Does context switching-Release SPIN_LOCK
587 * (if any) before calling this routine.
fa2a1ce5 588 *
1da177e4
LT		 589 *
590 * Return:
591 * Success (LOOP_READY) : 0
592 * Failed (LOOP_NOT_READY) : 1
593 */
fa2a1ce5 594static inline int
1da177e4
LT		 595qla2x00_wait_for_loop_ready(scsi_qla_host_t *ha)
596{
597 int return_status = QLA_SUCCESS;
598 unsigned long loop_timeout ;
2c3dfe3f 599 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4
LT		 600
601 /* wait for 5 min at the max for loop to be ready */
fa2a1ce5 602 loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1da177e4 603
2c3dfe3f
SJ		 604 while ((!atomic_read(&pha->loop_down_timer) &&
605 atomic_read(&pha->loop_state) == LOOP_DOWN) ||
606 atomic_read(&pha->loop_state) != LOOP_READY) {
607 if (atomic_read(&pha->loop_state) == LOOP_DEAD) {
57680080
RA		 608 return_status = QLA_FUNCTION_FAILED;
609 break;
610 }
1da177e4
LT		 611 msleep(1000);
612 if (time_after_eq(jiffies, loop_timeout)) {
613 return_status = QLA_FUNCTION_FAILED;
614 break;
615 }
616 }
fa2a1ce5 617 return (return_status);
1da177e4
LT		 618}
619
07db5183
AV		 620static void
621qla2x00_block_error_handler(struct scsi_cmnd *cmnd)
622{
623 struct Scsi_Host *shost = cmnd->device->host;
624 struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device));
625 unsigned long flags;
626
627 spin_lock_irqsave(shost->host_lock, flags);
628 while (rport->port_state == FC_PORTSTATE_BLOCKED) {
629 spin_unlock_irqrestore(shost->host_lock, flags);
630 msleep(1000);
631 spin_lock_irqsave(shost->host_lock, flags);
632 }
633 spin_unlock_irqrestore(shost->host_lock, flags);
634 return;
635}
636
1da177e4
LT		 637/**************************************************************************
638* qla2xxx_eh_abort
639*
640* Description:
641* The abort function will abort the specified command.
642*
643* Input:
644* cmd = Linux SCSI command packet to be aborted.
645*
646* Returns:
647* Either SUCCESS or FAILED.
648*
649* Note:
2ea00202 650* Only return FAILED if command not returned by firmware.
1da177e4 651**************************************************************************/
e5f82ab8 652static int
1da177e4
LT		 653qla2xxx_eh_abort(struct scsi_cmnd *cmd)
654{
f363b943 655 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
f4f051eb
AV		 656 srb_t *sp;
657 int ret, i;
658 unsigned int id, lun;
659 unsigned long serial;
18e144d3 660 unsigned long flags;
2ea00202 661 int wait = 0;
2c3dfe3f 662 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4 663
07db5183
AV		 664 qla2x00_block_error_handler(cmd);
665
f4f051eb 666 if (!CMD_SP(cmd))
2ea00202 667 return SUCCESS;
1da177e4 668
2ea00202 669 ret = SUCCESS;
1da177e4 670
f4f051eb
AV		 671 id = cmd->device->id;
672 lun = cmd->device->lun;
673 serial = cmd->serial_number;
1da177e4 674
f4f051eb 675 /* Check active list for command command. */
2c3dfe3f 676 spin_lock_irqsave(&pha->hardware_lock, flags);
f4f051eb 677 for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
2c3dfe3f 678 sp = pha->outstanding_cmds[i];
1da177e4 679
f4f051eb
AV		 680 if (sp == NULL)
681 continue;
1da177e4 682
f4f051eb
AV		 683 if (sp->cmd != cmd)
684 continue;
1da177e4 685
75bc4190
AV		 686 DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld.\n",
687 __func__, ha->host_no, sp, serial));
744f11fd 688 DEBUG3(qla2x00_print_scsi_cmd(cmd));
1da177e4 689
2c3dfe3f 690 spin_unlock_irqrestore(&pha->hardware_lock, flags);
fd34f556 691 if (ha->isp_ops->abort_command(ha, sp)) {
f4f051eb
AV		 692 DEBUG2(printk("%s(%ld): abort_command "
693 "mbx failed.\n", __func__, ha->host_no));
694 } else {
695 DEBUG3(printk("%s(%ld): abort_command "
696 "mbx success.\n", __func__, ha->host_no));
2ea00202 697 wait = 1;
f4f051eb 698 }
2c3dfe3f 699 spin_lock_irqsave(&pha->hardware_lock, flags);
1da177e4 700
f4f051eb
AV		 701 break;
702 }
2c3dfe3f 703 spin_unlock_irqrestore(&pha->hardware_lock, flags);
1da177e4 704
f4f051eb 705 /* Wait for the command to be returned. */
2ea00202 706 if (wait) {
f4f051eb 707 if (qla2x00_eh_wait_on_command(ha, cmd) != QLA_SUCCESS) {
fa2a1ce5 708 qla_printk(KERN_ERR, ha,
f4f051eb
AV		 709 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
710 "%x.\n", ha->host_no, id, lun, serial, ret);
2ea00202 711 ret = FAILED;
f4f051eb 712 }
1da177e4 713 }
1da177e4 714
fa2a1ce5 715 qla_printk(KERN_INFO, ha,
2ea00202
MR		 716 "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
717 ha->host_no, id, lun, wait, serial, ret);
1da177e4 718
f4f051eb
AV		 719 return ret;
720}
1da177e4 721
f4f051eb
AV		 722/**************************************************************************
723* qla2x00_eh_wait_for_pending_target_commands
724*
725* Description:
726* Waits for all the commands to come back from the specified target.
727*
728* Input:
729* ha - pointer to scsi_qla_host structure.
fa2a1ce5 730* t - target
f4f051eb
AV		 731* Returns:
732* Either SUCCESS or FAILED.
733*
734* Note:
735**************************************************************************/
736static int
737qla2x00_eh_wait_for_pending_target_commands(scsi_qla_host_t *ha, unsigned int t)
738{
739 int cnt;
740 int status;
741 srb_t *sp;
742 struct scsi_cmnd *cmd;
18e144d3 743 unsigned long flags;
2c3dfe3f 744 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4 745
f4f051eb 746 status = 0;
1da177e4
LT		 747
748 /*
f4f051eb
AV		 749 * Waiting for all commands for the designated target in the active
750 * array
1da177e4
LT		 751 */
752 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
2c3dfe3f
SJ		 753 spin_lock_irqsave(&pha->hardware_lock, flags);
754 sp = pha->outstanding_cmds[cnt];
1da177e4
LT		 755 if (sp) {
756 cmd = sp->cmd;
2c3dfe3f
SJ		 757 spin_unlock_irqrestore(&pha->hardware_lock, flags);
758 if (cmd->device->id == t &&
759 ha->vp_idx == sp->ha->vp_idx) {
1da177e4
LT		 760 if (!qla2x00_eh_wait_on_command(ha, cmd)) {
761 status = 1;
762 break;
763 }
764 }
f4f051eb 765 } else {
2c3dfe3f 766 spin_unlock_irqrestore(&pha->hardware_lock, flags);
1da177e4
LT		 767 }
768 }
769 return (status);
770}
771
772
773/**************************************************************************
774* qla2xxx_eh_device_reset
775*
776* Description:
777* The device reset function will reset the target and abort any
778* executing commands.
779*
780* NOTE: The use of SP is undefined within this context. Do *NOT*
fa2a1ce5 781* attempt to use this value, even if you determine it is
1da177e4
LT		 782* non-null.
783*
784* Input:
785* cmd = Linux SCSI command packet of the command that cause the
786* bus device reset.
787*
788* Returns:
789* SUCCESS/FAILURE (defined as macro in scsi.h).
790*
791**************************************************************************/
e5f82ab8 792static int
1da177e4
LT		 793qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
794{
f363b943 795 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
bdf79621 796 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
2c3dfe3f 797 int ret = FAILED;
f4f051eb
AV		 798 unsigned int id, lun;
799 unsigned long serial;
1da177e4 800
07db5183
AV		 801 qla2x00_block_error_handler(cmd);
802
f4f051eb
AV		 803 id = cmd->device->id;
804 lun = cmd->device->lun;
805 serial = cmd->serial_number;
1da177e4 806
b0328bee 807 if (!fcport)
f4f051eb 808 return ret;
1da177e4
LT		 809
810 qla_printk(KERN_INFO, ha,
f4f051eb 811 "scsi(%ld:%d:%d): DEVICE RESET ISSUED.\n", ha->host_no, id, lun);
1da177e4 812
94d0e7b8 813 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
1da177e4 814 goto eh_dev_reset_done;
1da177e4
LT		 815
816 if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
f4f051eb
AV		 817 if (qla2x00_device_reset(ha, fcport) == 0)
818 ret = SUCCESS;
1da177e4
LT		 819
820#if defined(LOGOUT_AFTER_DEVICE_RESET)
f4f051eb
AV		 821 if (ret == SUCCESS) {
822 if (fcport->flags & FC_FABRIC_DEVICE) {
fd34f556 823 ha->isp_ops->fabric_logout(ha, fcport->loop_id);
d97994dc 824 qla2x00_mark_device_lost(ha, fcport, 0, 0);
1da177e4
LT		 825 }
826 }
827#endif
828 } else {
829 DEBUG2(printk(KERN_INFO
744f11fd 830 "%s failed: loop not ready\n",__func__));
1da177e4
LT		 831 }
832
f4f051eb 833 if (ret == FAILED) {
1da177e4
LT		 834 DEBUG3(printk("%s(%ld): device reset failed\n",
835 __func__, ha->host_no));
836 qla_printk(KERN_INFO, ha, "%s: device reset failed\n",
837 __func__);
838
839 goto eh_dev_reset_done;
840 }
841
9a41a62b
AV		 842 /* Flush outstanding commands. */
843 if (qla2x00_eh_wait_for_pending_target_commands(ha, id))
844 ret = FAILED;
845 if (ret == FAILED) {
846 DEBUG3(printk("%s(%ld): failed while waiting for commands\n",
847 __func__, ha->host_no));
848 qla_printk(KERN_INFO, ha,
849 "%s: failed while waiting for commands\n", __func__);
850 } else
851 qla_printk(KERN_INFO, ha,
852 "scsi(%ld:%d:%d): DEVICE RESET SUCCEEDED.\n", ha->host_no,
853 id, lun);
28f22b03 854 eh_dev_reset_done:
f4f051eb 855 return ret;
1da177e4
LT		 856}
857
858/**************************************************************************
859* qla2x00_eh_wait_for_pending_commands
860*
861* Description:
862* Waits for all the commands to come back from the specified host.
863*
864* Input:
865* ha - pointer to scsi_qla_host structure.
866*
867* Returns:
868* 1 : SUCCESS
869* 0 : FAILED
870*
871* Note:
872**************************************************************************/
873static int
874qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha)
875{
876 int cnt;
877 int status;
878 srb_t *sp;
879 struct scsi_cmnd *cmd;
18e144d3 880 unsigned long flags;
1da177e4
LT		 881
882 status = 1;
883
884 /*
885 * Waiting for all commands for the designated target in the active
886 * array
887 */
888 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
18e144d3 889 spin_lock_irqsave(&ha->hardware_lock, flags);
1da177e4
LT		 890 sp = ha->outstanding_cmds[cnt];
891 if (sp) {
892 cmd = sp->cmd;
18e144d3 893 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1da177e4
LT		 894 status = qla2x00_eh_wait_on_command(ha, cmd);
895 if (status == 0)
896 break;
897 }
898 else {
18e144d3 899 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1da177e4
LT		 900 }
901 }
902 return (status);
903}
904
905
906/**************************************************************************
907* qla2xxx_eh_bus_reset
908*
909* Description:
910* The bus reset function will reset the bus and abort any executing
911* commands.
912*
913* Input:
914* cmd = Linux SCSI command packet of the command that cause the
915* bus reset.
916*
917* Returns:
918* SUCCESS/FAILURE (defined as macro in scsi.h).
919*
920**************************************************************************/
e5f82ab8 921static int
1da177e4
LT		 922qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
923{
f363b943 924 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
2c3dfe3f 925 scsi_qla_host_t *pha = to_qla_parent(ha);
bdf79621 926 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
2c3dfe3f 927 int ret = FAILED;
f4f051eb
AV		 928 unsigned int id, lun;
929 unsigned long serial;
930
07db5183
AV		 931 qla2x00_block_error_handler(cmd);
932
f4f051eb
AV		 933 id = cmd->device->id;
934 lun = cmd->device->lun;
935 serial = cmd->serial_number;
1da177e4 936
b0328bee 937 if (!fcport)
f4f051eb 938 return ret;
1da177e4
LT		 939
940 qla_printk(KERN_INFO, ha,
f4f051eb 941 "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha->host_no, id, lun);
1da177e4 942
1da177e4
LT		 943 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) {
944 DEBUG2(printk("%s failed:board disabled\n",__func__));
f4f051eb 945 goto eh_bus_reset_done;
1da177e4
LT		 946 }
947
948 if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
f4f051eb
AV		 949 if (qla2x00_loop_reset(ha) == QLA_SUCCESS)
950 ret = SUCCESS;
1da177e4 951 }
f4f051eb
AV		 952 if (ret == FAILED)
953 goto eh_bus_reset_done;
1da177e4 954
9a41a62b 955 /* Flush outstanding commands. */
2c3dfe3f 956 if (!qla2x00_eh_wait_for_pending_commands(pha))
9a41a62b 957 ret = FAILED;
1da177e4 958
f4f051eb 959eh_bus_reset_done:
1da177e4 960 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
f4f051eb 961 (ret == FAILED) ? "failed" : "succeded");
1da177e4 962
f4f051eb 963 return ret;
1da177e4
LT		 964}
965
966/**************************************************************************
967* qla2xxx_eh_host_reset
968*
969* Description:
970* The reset function will reset the Adapter.
971*
972* Input:
973* cmd = Linux SCSI command packet of the command that cause the
974* adapter reset.
975*
976* Returns:
977* Either SUCCESS or FAILED.
978*
979* Note:
980**************************************************************************/
e5f82ab8 981static int
1da177e4
LT		 982qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
983{
f363b943 984 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
bdf79621 985 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
2c3dfe3f 986 int ret = FAILED;
f4f051eb
AV		 987 unsigned int id, lun;
988 unsigned long serial;
2c3dfe3f 989 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4 990
07db5183
AV		 991 qla2x00_block_error_handler(cmd);
992
f4f051eb
AV		 993 id = cmd->device->id;
994 lun = cmd->device->lun;
995 serial = cmd->serial_number;
996
b0328bee 997 if (!fcport)
f4f051eb 998 return ret;
1da177e4 999
1da177e4 1000 qla_printk(KERN_INFO, ha,
f4f051eb 1001 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha->host_no, id, lun);
1da177e4 1002
1da177e4 1003 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
f4f051eb 1004 goto eh_host_reset_lock;
1da177e4
LT		 1005
1006 /*
1007 * Fixme-may be dpc thread is active and processing
fa2a1ce5 1008 * loop_resync,so wait a while for it to
1da177e4
LT		 1009 * be completed and then issue big hammer.Otherwise
1010 * it may cause I/O failure as big hammer marks the
1011 * devices as lost kicking of the port_down_timer
1012 * while dpc is stuck for the mailbox to complete.
1013 */
1da177e4 1014 qla2x00_wait_for_loop_ready(ha);
2c3dfe3f
SJ		 1015 set_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
1016 if (qla2x00_abort_isp(pha)) {
1017 clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
1da177e4 1018 /* failed. schedule dpc to try */
2c3dfe3f 1019 set_bit(ISP_ABORT_NEEDED, &pha->dpc_flags);
1da177e4
LT		 1020
1021 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
f4f051eb 1022 goto eh_host_reset_lock;
fa2a1ce5 1023 }
2c3dfe3f 1024 clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
1da177e4 1025
1da177e4 1026 /* Waiting for our command in done_queue to be returned to OS.*/
2c3dfe3f 1027 if (qla2x00_eh_wait_for_pending_commands(pha))
f4f051eb 1028 ret = SUCCESS;
1da177e4 1029
2c3dfe3f
SJ		 1030 if (ha->parent)
1031 qla2x00_vp_abort_isp(ha);
1032
f4f051eb 1033eh_host_reset_lock:
f4f051eb
AV		 1034 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1035 (ret == FAILED) ? "failed" : "succeded");
1da177e4 1036
f4f051eb
AV		 1037 return ret;
1038}
1da177e4
LT		 1039
1040/*
1041* qla2x00_loop_reset
1042* Issue loop reset.
1043*
1044* Input:
1045* ha = adapter block pointer.
1046*
1047* Returns:
1048* 0 = success
1049*/
a4722cf2 1050int
1da177e4
LT		 1051qla2x00_loop_reset(scsi_qla_host_t *ha)
1052{
0c8c39af 1053 int ret;
bdf79621 1054 struct fc_port *fcport;
1da177e4 1055
0c8c39af
AV		 1056 if (ha->flags.enable_lip_full_login) {
1057 ret = qla2x00_full_login_lip(ha);
1058 if (ret != QLA_SUCCESS) {
1059 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1060 "full_login_lip=%d.\n", __func__, ha->host_no,
1061 ret));
1062 }
1063 atomic_set(&ha->loop_state, LOOP_DOWN);
1064 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
1065 qla2x00_mark_all_devices_lost(ha, 0);
1066 qla2x00_wait_for_loop_ready(ha);
1067 }
1068
1da177e4 1069 if (ha->flags.enable_lip_reset) {
0c8c39af
AV		 1070 ret = qla2x00_lip_reset(ha);
1071 if (ret != QLA_SUCCESS) {
1072 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1073 "lip_reset=%d.\n", __func__, ha->host_no, ret));
1074 }
1075 qla2x00_wait_for_loop_ready(ha);
1da177e4
LT		 1076 }
1077
0c8c39af 1078 if (ha->flags.enable_target_reset) {
bdf79621
AV		 1079 list_for_each_entry(fcport, &ha->fcports, list) {
1080 if (fcport->port_type != FCT_TARGET)
1da177e4
LT		 1081 continue;
1082
0c8c39af
AV		 1083 ret = qla2x00_device_reset(ha, fcport);
1084 if (ret != QLA_SUCCESS) {
1085 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1086 "target_reset=%d d_id=%x.\n", __func__,
1087 ha->host_no, ret, fcport->d_id.b24));
1088 }
1da177e4
LT		 1089 }
1090 }
1091
1da177e4
LT		 1092 /* Issue marker command only when we are going to start the I/O */
1093 ha->marker_needed = 1;
1094
0c8c39af 1095 return QLA_SUCCESS;
1da177e4
LT		 1096}
1097
1098/*
1099 * qla2x00_device_reset
1100 * Issue bus device reset message to the target.
1101 *
1102 * Input:
1103 * ha = adapter block pointer.
1104 * t = SCSI ID.
1105 * TARGET_QUEUE_LOCK must be released.
1106 * ADAPTER_STATE_LOCK must be released.
1107 *
1108 * Context:
1109 * Kernel context.
1110 */
1111static int
1112qla2x00_device_reset(scsi_qla_host_t *ha, fc_port_t *reset_fcport)
1113{
1114 /* Abort Target command will clear Reservation */
fd34f556 1115 return ha->isp_ops->abort_target(reset_fcport);
1da177e4
LT		 1116}
1117
df4bf0bb
AV		 1118void
1119qla2x00_abort_all_cmds(scsi_qla_host_t *ha, int res)
1120{
1121 int cnt;
1122 unsigned long flags;
1123 srb_t *sp;
1124
1125 spin_lock_irqsave(&ha->hardware_lock, flags);
1126 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1127 sp = ha->outstanding_cmds[cnt];
1128 if (sp) {
1129 ha->outstanding_cmds[cnt] = NULL;
1130 sp->flags = 0;
1131 sp->cmd->result = res;
1132 sp->cmd->host_scribble = (unsigned char *)NULL;
1133 qla2x00_sp_compl(ha, sp);
1134 }
1135 }
1136 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1137}
1138
f4f051eb
AV		 1139static int
1140qla2xxx_slave_alloc(struct scsi_device *sdev)
1da177e4 1141{
bdf79621 1142 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1da177e4 1143
19a7b4ae 1144 if (!rport || fc_remote_port_chkready(rport))
f4f051eb 1145 return -ENXIO;
bdf79621 1146
19a7b4ae 1147 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1da177e4 1148
f4f051eb
AV		 1149 return 0;
1150}
1da177e4 1151
f4f051eb
AV		 1152static int
1153qla2xxx_slave_configure(struct scsi_device *sdev)
1154{
f363b943 1155 scsi_qla_host_t *ha = shost_priv(sdev->host);
8482e118
AV		 1156 struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1157
f4f051eb 1158 if (sdev->tagged_supported)
df7baa50 1159 scsi_activate_tcq(sdev, ha->max_q_depth);
f4f051eb 1160 else
df7baa50 1161 scsi_deactivate_tcq(sdev, ha->max_q_depth);
1da177e4 1162
8482e118
AV		 1163 rport->dev_loss_tmo = ha->port_down_retry_count + 5;
1164
f4f051eb
AV		 1165 return 0;
1166}
1da177e4 1167
f4f051eb
AV		 1168static void
1169qla2xxx_slave_destroy(struct scsi_device *sdev)
1170{
1171 sdev->hostdata = NULL;
1da177e4
LT		 1172}
1173
ce7e4af7
AV		 1174static int
1175qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
1176{
1177 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1178 return sdev->queue_depth;
1179}
1180
1181static int
1182qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1183{
1184 if (sdev->tagged_supported) {
1185 scsi_set_tag_type(sdev, tag_type);
1186 if (tag_type)
1187 scsi_activate_tcq(sdev, sdev->queue_depth);
1188 else
1189 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1190 } else
1191 tag_type = 0;
1192
1193 return tag_type;
1194}
1195
1da177e4
LT		 1196/**
1197 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1198 * @ha: HA context
1199 *
1200 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1201 * supported addressing method.
1202 */
1203static void
1204qla2x00_config_dma_addressing(scsi_qla_host_t *ha)
1205{
7524f9b9 1206 /* Assume a 32bit DMA mask. */
1da177e4 1207 ha->flags.enable_64bit_addressing = 0;
1da177e4 1208
7524f9b9
AV		 1209 if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) {
1210 /* Any upper-dword bits set? */
1211 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1212 !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) {
1213 /* Ok, a 64bit DMA mask is applicable. */
1da177e4 1214 ha->flags.enable_64bit_addressing = 1;
fd34f556
AV		 1215 ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1216 ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
7524f9b9 1217 return;
1da177e4 1218 }
1da177e4 1219 }
7524f9b9
AV		 1220
1221 dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK);
1222 pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK);
1da177e4
LT		 1223}
1224
fd34f556
AV		 1225static void
1226qla2x00_enable_intrs(scsi_qla_host_t *ha)
1227{
1228 unsigned long flags = 0;
1229 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1230
1231 spin_lock_irqsave(&ha->hardware_lock, flags);
1232 ha->interrupts_on = 1;
1233 /* enable risc and host interrupts */
1234 WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1235 RD_REG_WORD(&reg->ictrl);
1236 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1237
1238}
1239
1240static void
1241qla2x00_disable_intrs(scsi_qla_host_t *ha)
1242{
1243 unsigned long flags = 0;
1244 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1245
1246 spin_lock_irqsave(&ha->hardware_lock, flags);
1247 ha->interrupts_on = 0;
1248 /* disable risc and host interrupts */
1249 WRT_REG_WORD(&reg->ictrl, 0);
1250 RD_REG_WORD(&reg->ictrl);
1251 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1252}
1253
1254static void
1255qla24xx_enable_intrs(scsi_qla_host_t *ha)
1256{
1257 unsigned long flags = 0;
1258 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1259
1260 spin_lock_irqsave(&ha->hardware_lock, flags);
1261 ha->interrupts_on = 1;
1262 WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1263 RD_REG_DWORD(&reg->ictrl);
1264 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1265}
1266
1267static void
1268qla24xx_disable_intrs(scsi_qla_host_t *ha)
1269{
1270 unsigned long flags = 0;
1271 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1272
1273 spin_lock_irqsave(&ha->hardware_lock, flags);
1274 ha->interrupts_on = 0;
1275 WRT_REG_DWORD(&reg->ictrl, 0);
1276 RD_REG_DWORD(&reg->ictrl);
1277 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1278}
1279
1280static struct isp_operations qla2100_isp_ops = {
1281 .pci_config = qla2100_pci_config,
1282 .reset_chip = qla2x00_reset_chip,
1283 .chip_diag = qla2x00_chip_diag,
1284 .config_rings = qla2x00_config_rings,
1285 .reset_adapter = qla2x00_reset_adapter,
1286 .nvram_config = qla2x00_nvram_config,
1287 .update_fw_options = qla2x00_update_fw_options,
1288 .load_risc = qla2x00_load_risc,
1289 .pci_info_str = qla2x00_pci_info_str,
1290 .fw_version_str = qla2x00_fw_version_str,
1291 .intr_handler = qla2100_intr_handler,
1292 .enable_intrs = qla2x00_enable_intrs,
1293 .disable_intrs = qla2x00_disable_intrs,
1294 .abort_command = qla2x00_abort_command,
1295 .abort_target = qla2x00_abort_target,
1296 .fabric_login = qla2x00_login_fabric,
1297 .fabric_logout = qla2x00_fabric_logout,
1298 .calc_req_entries = qla2x00_calc_iocbs_32,
1299 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1300 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1301 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1302 .read_nvram = qla2x00_read_nvram_data,
1303 .write_nvram = qla2x00_write_nvram_data,
1304 .fw_dump = qla2100_fw_dump,
1305 .beacon_on = NULL,
1306 .beacon_off = NULL,
1307 .beacon_blink = NULL,
1308 .read_optrom = qla2x00_read_optrom_data,
1309 .write_optrom = qla2x00_write_optrom_data,
1310 .get_flash_version = qla2x00_get_flash_version,
1311};
1312
1313static struct isp_operations qla2300_isp_ops = {
1314 .pci_config = qla2300_pci_config,
1315 .reset_chip = qla2x00_reset_chip,
1316 .chip_diag = qla2x00_chip_diag,
1317 .config_rings = qla2x00_config_rings,
1318 .reset_adapter = qla2x00_reset_adapter,
1319 .nvram_config = qla2x00_nvram_config,
1320 .update_fw_options = qla2x00_update_fw_options,
1321 .load_risc = qla2x00_load_risc,
1322 .pci_info_str = qla2x00_pci_info_str,
1323 .fw_version_str = qla2x00_fw_version_str,
1324 .intr_handler = qla2300_intr_handler,
1325 .enable_intrs = qla2x00_enable_intrs,
1326 .disable_intrs = qla2x00_disable_intrs,
1327 .abort_command = qla2x00_abort_command,
1328 .abort_target = qla2x00_abort_target,
1329 .fabric_login = qla2x00_login_fabric,
1330 .fabric_logout = qla2x00_fabric_logout,
1331 .calc_req_entries = qla2x00_calc_iocbs_32,
1332 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1333 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1334 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1335 .read_nvram = qla2x00_read_nvram_data,
1336 .write_nvram = qla2x00_write_nvram_data,
1337 .fw_dump = qla2300_fw_dump,
1338 .beacon_on = qla2x00_beacon_on,
1339 .beacon_off = qla2x00_beacon_off,
1340 .beacon_blink = qla2x00_beacon_blink,
1341 .read_optrom = qla2x00_read_optrom_data,
1342 .write_optrom = qla2x00_write_optrom_data,
1343 .get_flash_version = qla2x00_get_flash_version,
1344};
1345
1346static struct isp_operations qla24xx_isp_ops = {
1347 .pci_config = qla24xx_pci_config,
1348 .reset_chip = qla24xx_reset_chip,
1349 .chip_diag = qla24xx_chip_diag,
1350 .config_rings = qla24xx_config_rings,
1351 .reset_adapter = qla24xx_reset_adapter,
1352 .nvram_config = qla24xx_nvram_config,
1353 .update_fw_options = qla24xx_update_fw_options,
1354 .load_risc = qla24xx_load_risc,
1355 .pci_info_str = qla24xx_pci_info_str,
1356 .fw_version_str = qla24xx_fw_version_str,
1357 .intr_handler = qla24xx_intr_handler,
1358 .enable_intrs = qla24xx_enable_intrs,
1359 .disable_intrs = qla24xx_disable_intrs,
1360 .abort_command = qla24xx_abort_command,
1361 .abort_target = qla24xx_abort_target,
1362 .fabric_login = qla24xx_login_fabric,
1363 .fabric_logout = qla24xx_fabric_logout,
1364 .calc_req_entries = NULL,
1365 .build_iocbs = NULL,
1366 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1367 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1368 .read_nvram = qla24xx_read_nvram_data,
1369 .write_nvram = qla24xx_write_nvram_data,
1370 .fw_dump = qla24xx_fw_dump,
1371 .beacon_on = qla24xx_beacon_on,
1372 .beacon_off = qla24xx_beacon_off,
1373 .beacon_blink = qla24xx_beacon_blink,
1374 .read_optrom = qla24xx_read_optrom_data,
1375 .write_optrom = qla24xx_write_optrom_data,
1376 .get_flash_version = qla24xx_get_flash_version,
1377};
1378
c3a2f0df
AV		 1379static struct isp_operations qla25xx_isp_ops = {
1380 .pci_config = qla25xx_pci_config,
1381 .reset_chip = qla24xx_reset_chip,
1382 .chip_diag = qla24xx_chip_diag,
1383 .config_rings = qla24xx_config_rings,
1384 .reset_adapter = qla24xx_reset_adapter,
1385 .nvram_config = qla24xx_nvram_config,
1386 .update_fw_options = qla24xx_update_fw_options,
1387 .load_risc = qla24xx_load_risc,
1388 .pci_info_str = qla24xx_pci_info_str,
1389 .fw_version_str = qla24xx_fw_version_str,
1390 .intr_handler = qla24xx_intr_handler,
1391 .enable_intrs = qla24xx_enable_intrs,
1392 .disable_intrs = qla24xx_disable_intrs,
1393 .abort_command = qla24xx_abort_command,
1394 .abort_target = qla24xx_abort_target,
1395 .fabric_login = qla24xx_login_fabric,
1396 .fabric_logout = qla24xx_fabric_logout,
1397 .calc_req_entries = NULL,
1398 .build_iocbs = NULL,
1399 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1400 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1401 .read_nvram = qla25xx_read_nvram_data,
1402 .write_nvram = qla25xx_write_nvram_data,
1403 .fw_dump = qla25xx_fw_dump,
1404 .beacon_on = qla24xx_beacon_on,
1405 .beacon_off = qla24xx_beacon_off,
1406 .beacon_blink = qla24xx_beacon_blink,
338c9161 1407 .read_optrom = qla25xx_read_optrom_data,
c3a2f0df
AV		 1408 .write_optrom = qla24xx_write_optrom_data,
1409 .get_flash_version = qla24xx_get_flash_version,
1410};
1411
ea5b6382
AV		 1412static inline void
1413qla2x00_set_isp_flags(scsi_qla_host_t *ha)
1414{
1415 ha->device_type = DT_EXTENDED_IDS;
1416 switch (ha->pdev->device) {
1417 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1418 ha->device_type |= DT_ISP2100;
1419 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1420 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382
AV		 1421 break;
1422 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1423 ha->device_type |= DT_ISP2200;
1424 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1425 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382
AV		 1426 break;
1427 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1428 ha->device_type |= DT_ISP2300;
4a59f71d 1429 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1430 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1431 break;
1432 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1433 ha->device_type |= DT_ISP2312;
4a59f71d 1434 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1435 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1436 break;
1437 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1438 ha->device_type |= DT_ISP2322;
4a59f71d 1439 ha->device_type |= DT_ZIO_SUPPORTED;
ea5b6382
AV		 1440 if (ha->pdev->subsystem_vendor == 0x1028 &&
1441 ha->pdev->subsystem_device == 0x0170)
1442 ha->device_type |= DT_OEM_001;
441d1072 1443 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1444 break;
1445 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1446 ha->device_type |= DT_ISP6312;
441d1072 1447 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1448 break;
1449 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1450 ha->device_type |= DT_ISP6322;
441d1072 1451 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1452 break;
1453 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1454 ha->device_type |= DT_ISP2422;
4a59f71d 1455 ha->device_type |= DT_ZIO_SUPPORTED;
e428924c 1456 ha->device_type |= DT_FWI2;
c76f2c01 1457 ha->device_type |= DT_IIDMA;
441d1072 1458 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382
AV		 1459 break;
1460 case PCI_DEVICE_ID_QLOGIC_ISP2432:
1461 ha->device_type |= DT_ISP2432;
4a59f71d 1462 ha->device_type |= DT_ZIO_SUPPORTED;
e428924c 1463 ha->device_type |= DT_FWI2;
c76f2c01 1464 ha->device_type |= DT_IIDMA;
441d1072 1465 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1466 break;
044cc6c8
AV		 1467 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1468 ha->device_type |= DT_ISP5422;
e428924c 1469 ha->device_type |= DT_FWI2;
441d1072 1470 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1471 break;
044cc6c8
AV		 1472 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1473 ha->device_type |= DT_ISP5432;
e428924c 1474 ha->device_type |= DT_FWI2;
441d1072 1475 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1476 break;
c3a2f0df
AV		 1477 case PCI_DEVICE_ID_QLOGIC_ISP2532:
1478 ha->device_type |= DT_ISP2532;
1479 ha->device_type |= DT_ZIO_SUPPORTED;
1480 ha->device_type |= DT_FWI2;
1481 ha->device_type |= DT_IIDMA;
441d1072 1482 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382
AV		 1483 break;
1484 }
1485}
1486
1da177e4
LT		 1487static int
1488qla2x00_iospace_config(scsi_qla_host_t *ha)
1489{
3776541d 1490 resource_size_t pio;
1da177e4 1491
285d0321
AV		 1492 if (pci_request_selected_regions(ha->pdev, ha->bars,
1493 QLA2XXX_DRIVER_NAME)) {
1494 qla_printk(KERN_WARNING, ha,
1495 "Failed to reserve PIO/MMIO regions (%s)\n",
1496 pci_name(ha->pdev));
1497
1498 goto iospace_error_exit;
1499 }
1500 if (!(ha->bars & 1))
1501 goto skip_pio;
1502
1da177e4
LT		 1503 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1504 pio = pci_resource_start(ha->pdev, 0);
3776541d
AV		 1505 if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1506 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1da177e4
LT		 1507 qla_printk(KERN_WARNING, ha,
1508 "Invalid PCI I/O region size (%s)...\n",
1509 pci_name(ha->pdev));
1510 pio = 0;
1511 }
1512 } else {
1513 qla_printk(KERN_WARNING, ha,
1514 "region #0 not a PIO resource (%s)...\n",
1515 pci_name(ha->pdev));
1516 pio = 0;
1517 }
285d0321 1518 ha->pio_address = pio;
1da177e4 1519
285d0321 1520skip_pio:
1da177e4 1521 /* Use MMIO operations for all accesses. */
3776541d 1522 if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1da177e4 1523 qla_printk(KERN_ERR, ha,
3776541d 1524 "region #1 not an MMIO resource (%s), aborting\n",
1da177e4
LT		 1525 pci_name(ha->pdev));
1526 goto iospace_error_exit;
1527 }
3776541d 1528 if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1da177e4
LT		 1529 qla_printk(KERN_ERR, ha,
1530 "Invalid PCI mem region size (%s), aborting\n",
1531 pci_name(ha->pdev));
1532 goto iospace_error_exit;
1533 }
1534
3776541d 1535 ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1da177e4
LT		 1536 if (!ha->iobase) {
1537 qla_printk(KERN_ERR, ha,
1538 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1539
1540 goto iospace_error_exit;
1541 }
1542
1543 return (0);
1544
1545iospace_error_exit:
1546 return (-ENOMEM);
1547}
1548
1e99e33a
AV		 1549static void
1550qla2xxx_scan_start(struct Scsi_Host *shost)
1551{
f363b943 1552 scsi_qla_host_t *ha = shost_priv(shost);
1e99e33a
AV		 1553
1554 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
1555 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1556 set_bit(RSCN_UPDATE, &ha->dpc_flags);
1557}
1558
1559static int
1560qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1561{
f363b943 1562 scsi_qla_host_t *ha = shost_priv(shost);
1e99e33a
AV		 1563
1564 if (!ha->host)
1565 return 1;
1566 if (time > ha->loop_reset_delay * HZ)
1567 return 1;
1568
1569 return atomic_read(&ha->loop_state) == LOOP_READY;
1570}
1571
1da177e4
LT		 1572/*
1573 * PCI driver interface
1574 */
7ee61397
AV		 1575static int __devinit
1576qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1da177e4 1577{
a1541d5a 1578 int ret = -ENODEV;
1da177e4
LT		 1579 struct Scsi_Host *host;
1580 scsi_qla_host_t *ha;
29856e28 1581 char pci_info[30];
1da177e4 1582 char fw_str[30];
5433383e 1583 struct scsi_host_template *sht;
09483916 1584 int bars, mem_only = 0;
1da177e4 1585
285d0321 1586 bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
5433383e
AV		 1587 sht = &qla2x00_driver_template;
1588 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
8bc69e7d
AV		 1589 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
1590 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
c3a2f0df 1591 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
285d0321
AV		 1592 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532) {
1593 bars = pci_select_bars(pdev, IORESOURCE_MEM);
5433383e 1594 sht = &qla24xx_driver_template;
09483916 1595 mem_only = 1;
285d0321
AV		 1596 }
1597
09483916
BH		 1598 if (mem_only) {
1599 if (pci_enable_device_mem(pdev))
1600 goto probe_out;
1601 } else {
1602 if (pci_enable_device(pdev))
1603 goto probe_out;
1604 }
285d0321
AV		 1605
1606 if (pci_find_aer_capability(pdev))
1607 if (pci_enable_pcie_error_reporting(pdev))
1608 goto probe_out;
1609
5433383e 1610 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
1da177e4
LT		 1611 if (host == NULL) {
1612 printk(KERN_WARNING
1613 "qla2xxx: Couldn't allocate host from scsi layer!\n");
1614 goto probe_disable_device;
1615 }
1616
1617 /* Clear our data area */
f363b943 1618 ha = shost_priv(host);
1da177e4
LT		 1619 memset(ha, 0, sizeof(scsi_qla_host_t));
1620
1621 ha->pdev = pdev;
1622 ha->host = host;
1623 ha->host_no = host->host_no;
cb63067a 1624 sprintf(ha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, ha->host_no);
2c3dfe3f 1625 ha->parent = NULL;
285d0321 1626 ha->bars = bars;
09483916 1627 ha->mem_only = mem_only;
df4bf0bb 1628 spin_lock_init(&ha->hardware_lock);
1da177e4 1629
ea5b6382
AV		 1630 /* Set ISP-type information. */
1631 qla2x00_set_isp_flags(ha);
1632
1da177e4
LT		 1633 /* Configure PCI I/O space */
1634 ret = qla2x00_iospace_config(ha);
a1541d5a
AV		 1635 if (ret)
1636 goto probe_failed;
1da177e4 1637
1da177e4 1638 qla_printk(KERN_INFO, ha,
5433383e
AV		 1639 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1640 ha->iobase);
1da177e4 1641
1da177e4 1642 ha->prev_topology = 0;
fca29703 1643 ha->init_cb_size = sizeof(init_cb_t);
2c3dfe3f 1644 ha->mgmt_svr_loop_id = MANAGEMENT_SERVER + ha->vp_idx;
d8b45213 1645 ha->link_data_rate = PORT_SPEED_UNKNOWN;
854165f4 1646 ha->optrom_size = OPTROM_SIZE_2300;
1da177e4 1647
df7baa50
AV		 1648 ha->max_q_depth = MAX_Q_DEPTH;
1649 if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
1650 ha->max_q_depth = ql2xmaxqdepth;
1651
abbd8870 1652 /* Assign ISP specific operations. */
1da177e4 1653 if (IS_QLA2100(ha)) {
354d6b21 1654 host->max_id = MAX_TARGETS_2100;
1da177e4
LT		 1655 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
1656 ha->request_q_length = REQUEST_ENTRY_CNT_2100;
1657 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1658 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
1659 host->sg_tablesize = 32;
abbd8870 1660 ha->gid_list_info_size = 4;
fd34f556 1661 ha->isp_ops = &qla2100_isp_ops;
1da177e4 1662 } else if (IS_QLA2200(ha)) {
354d6b21 1663 host->max_id = MAX_TARGETS_2200;
1da177e4
LT		 1664 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1665 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1666 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1667 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
abbd8870 1668 ha->gid_list_info_size = 4;
fd34f556 1669 ha->isp_ops = &qla2100_isp_ops;
fca29703 1670 } else if (IS_QLA23XX(ha)) {
354d6b21 1671 host->max_id = MAX_TARGETS_2200;
1da177e4
LT		 1672 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1673 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1674 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1675 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
abbd8870 1676 ha->gid_list_info_size = 6;
854165f4
AV		 1677 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1678 ha->optrom_size = OPTROM_SIZE_2322;
fd34f556 1679 ha->isp_ops = &qla2300_isp_ops;
044cc6c8 1680 } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
fca29703
AV		 1681 host->max_id = MAX_TARGETS_2200;
1682 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1683 ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
1684 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1685 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
2c3dfe3f
SJ		 1686 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1687 ha->mgmt_svr_loop_id = 10 + ha->vp_idx;
fca29703 1688 ha->gid_list_info_size = 8;
854165f4 1689 ha->optrom_size = OPTROM_SIZE_24XX;
fd34f556 1690 ha->isp_ops = &qla24xx_isp_ops;
c3a2f0df
AV		 1691 } else if (IS_QLA25XX(ha)) {
1692 host->max_id = MAX_TARGETS_2200;
1693 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1694 ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
1695 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1696 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1697 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1698 ha->mgmt_svr_loop_id = 10 + ha->vp_idx;
1699 ha->gid_list_info_size = 8;
1700 ha->optrom_size = OPTROM_SIZE_25XX;
1701 ha->isp_ops = &qla25xx_isp_ops;
1da177e4
LT		 1702 }
1703 host->can_queue = ha->request_q_length + 128;
1704
1705 /* load the F/W, read paramaters, and init the H/W */
1706 ha->instance = num_hosts;
1707
2c3dfe3f 1708 init_MUTEX(&ha->vport_sem);
0b05a1f0
MB		 1709 init_completion(&ha->mbx_cmd_comp);
1710 complete(&ha->mbx_cmd_comp);
1711 init_completion(&ha->mbx_intr_comp);
1da177e4
LT		 1712
1713 INIT_LIST_HEAD(&ha->list);
1714 INIT_LIST_HEAD(&ha->fcports);
2c3dfe3f
SJ		 1715 INIT_LIST_HEAD(&ha->vp_list);
1716
1717 set_bit(0, (unsigned long *) ha->vp_idx_map);
1da177e4 1718
1da177e4
LT		 1719 qla2x00_config_dma_addressing(ha);
1720 if (qla2x00_mem_alloc(ha)) {
1721 qla_printk(KERN_WARNING, ha,
1722 "[ERROR] Failed to allocate memory for adapter\n");
1723
a1541d5a
AV		 1724 ret = -ENOMEM;
1725 goto probe_failed;
1da177e4
LT		 1726 }
1727
765140bf 1728 if (qla2x00_initialize_adapter(ha)) {
1da177e4
LT		 1729 qla_printk(KERN_WARNING, ha,
1730 "Failed to initialize adapter\n");
1731
1732 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1733 "Adapter flags %x.\n",
1734 ha->host_no, ha->device_flags));
1735
a1541d5a 1736 ret = -ENODEV;
1da177e4
LT		 1737 goto probe_failed;
1738 }
1739
1740 /*
1741 * Startup the kernel thread for this host adapter
1742 */
39a11240
CH		 1743 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
1744 "%s_dpc", ha->host_str);
1745 if (IS_ERR(ha->dpc_thread)) {
1da177e4
LT		 1746 qla_printk(KERN_WARNING, ha,
1747 "Unable to start DPC thread!\n");
39a11240 1748 ret = PTR_ERR(ha->dpc_thread);
1da177e4
LT		 1749 goto probe_failed;
1750 }
1da177e4 1751
a1541d5a
AV		 1752 host->this_id = 255;
1753 host->cmd_per_lun = 3;
1754 host->unique_id = ha->instance;
1755 host->max_cmd_len = MAX_CMDSZ;
75bc4190 1756 host->max_channel = MAX_BUSES - 1;
a1541d5a
AV		 1757 host->max_lun = MAX_LUNS;
1758 host->transportt = qla2xxx_transport_template;
1759
a8488abe
AV		 1760 ret = qla2x00_request_irqs(ha);
1761 if (ret)
1da177e4 1762 goto probe_failed;
1da177e4
LT		 1763
1764 /* Initialized the timer */
1765 qla2x00_start_timer(ha, qla2x00_timer, WATCH_INTERVAL);
1766
1767 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
1768 ha->host_no, ha));
1769
a1541d5a 1770 pci_set_drvdata(pdev, ha);
d19044c3 1771
1da177e4 1772 ha->flags.init_done = 1;
d19044c3
AV		 1773 ha->flags.online = 1;
1774
1da177e4
LT		 1775 num_hosts++;
1776
a1541d5a
AV		 1777 ret = scsi_add_host(host, &pdev->dev);
1778 if (ret)
1779 goto probe_failed;
1780
1e99e33a
AV		 1781 scsi_scan_host(host);
1782
a1541d5a
AV		 1783 qla2x00_alloc_sysfs_attr(ha);
1784
1785 qla2x00_init_host_attr(ha);
1786
df613b96
AV		 1787 qla2x00_dfs_setup(ha);
1788
1da177e4
LT		 1789 qla_printk(KERN_INFO, ha, "\n"
1790 " QLogic Fibre Channel HBA Driver: %s\n"
1791 " QLogic %s - %s\n"
5433383e
AV		 1792 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
1793 qla2x00_version_str, ha->model_number,
1794 ha->model_desc ? ha->model_desc: "", pdev->device,
fd34f556 1795 ha->isp_ops->pci_info_str(ha, pci_info), pci_name(pdev),
5433383e 1796 ha->flags.enable_64bit_addressing ? '+': '-', ha->host_no,
fd34f556 1797 ha->isp_ops->fw_version_str(ha, fw_str));
1da177e4 1798
1da177e4
LT		 1799 return 0;
1800
1801probe_failed:
1802 qla2x00_free_device(ha);
1803
1804 scsi_host_put(host);
1805
1806probe_disable_device:
1807 pci_disable_device(pdev);
1808
a1541d5a
AV		 1809probe_out:
1810 return ret;
1da177e4 1811}
1da177e4 1812
4c993f76 1813static void
7ee61397 1814qla2x00_remove_one(struct pci_dev *pdev)
1da177e4
LT		 1815{
1816 scsi_qla_host_t *ha;
1817
1818 ha = pci_get_drvdata(pdev);
1819
df613b96
AV		 1820 qla2x00_dfs_remove(ha);
1821
8482e118 1822 qla2x00_free_sysfs_attr(ha);
1da177e4 1823
bdf79621
AV		 1824 fc_remove_host(ha->host);
1825
1da177e4
LT		 1826 scsi_remove_host(ha->host);
1827
1828 qla2x00_free_device(ha);
1829
1830 scsi_host_put(ha->host);
1831
665db93b 1832 pci_disable_device(pdev);
1da177e4
LT		 1833 pci_set_drvdata(pdev, NULL);
1834}
1da177e4
LT		 1835
1836static void
1837qla2x00_free_device(scsi_qla_host_t *ha)
1838{
df4bf0bb
AV		 1839 qla2x00_abort_all_cmds(ha, DID_NO_CONNECT << 16);
1840
1da177e4
LT		 1841 /* Disable timer */
1842 if (ha->timer_active)
1843 qla2x00_stop_timer(ha);
1844
df4bf0bb
AV		 1845 ha->flags.online = 0;
1846
1da177e4 1847 /* Kill the kernel thread for this host */
39a11240
CH		 1848 if (ha->dpc_thread) {
1849 struct task_struct *t = ha->dpc_thread;
1da177e4 1850
39a11240
CH		 1851 /*
1852 * qla2xxx_wake_dpc checks for ->dpc_thread
1853 * so we need to zero it out.
1854 */
1855 ha->dpc_thread = NULL;
1856 kthread_stop(t);
1da177e4
LT		 1857 }
1858
df613b96
AV		 1859 if (ha->flags.fce_enabled)
1860 qla2x00_disable_fce_trace(ha, NULL, NULL);
1861
a7a167bf 1862 if (ha->eft)
00b6bd25 1863 qla2x00_disable_eft_trace(ha);
a7a167bf 1864
f6ef3b18 1865 /* Stop currently executing firmware. */
18c6c127 1866 qla2x00_try_to_stop_firmware(ha);
1da177e4 1867
f6ef3b18
AV		 1868 /* turn-off interrupts on the card */
1869 if (ha->interrupts_on)
fd34f556 1870 ha->isp_ops->disable_intrs(ha);
f6ef3b18
AV		 1871
1872 qla2x00_mem_free(ha);
1da177e4 1873
a8488abe 1874 qla2x00_free_irqs(ha);
1da177e4
LT		 1875
1876 /* release io space registers */
1877 if (ha->iobase)
1878 iounmap(ha->iobase);
285d0321 1879 pci_release_selected_regions(ha->pdev, ha->bars);
1da177e4
LT		 1880}
1881
d97994dc
AV		 1882static inline void
1883qla2x00_schedule_rport_del(struct scsi_qla_host *ha, fc_port_t *fcport,
1884 int defer)
1885{
1886 unsigned long flags;
1887 struct fc_rport *rport;
1888
1889 if (!fcport->rport)
1890 return;
1891
1892 rport = fcport->rport;
1893 if (defer) {
1894 spin_lock_irqsave(&fcport->rport_lock, flags);
1895 fcport->drport = rport;
1896 fcport->rport = NULL;
387f96b4 1897 *(fc_port_t **)rport->dd_data = NULL;
d97994dc
AV		 1898 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1899 set_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags);
1900 } else {
1901 spin_lock_irqsave(&fcport->rport_lock, flags);
1902 fcport->rport = NULL;
387f96b4 1903 *(fc_port_t **)rport->dd_data = NULL;
d97994dc
AV		 1904 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1905 fc_remote_port_delete(rport);
1906 }
1907}
1908
1da177e4
LT		 1909/*
1910 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
1911 *
1912 * Input: ha = adapter block pointer. fcport = port structure pointer.
1913 *
1914 * Return: None.
1915 *
1916 * Context:
1917 */
1918void qla2x00_mark_device_lost(scsi_qla_host_t *ha, fc_port_t *fcport,
d97994dc 1919 int do_login, int defer)
1da177e4 1920{
2c3dfe3f
SJ		 1921 if (atomic_read(&fcport->state) == FCS_ONLINE &&
1922 ha->vp_idx == fcport->vp_idx)
d97994dc 1923 qla2x00_schedule_rport_del(ha, fcport, defer);
19a7b4ae 1924
fa2a1ce5 1925 /*
1da177e4
LT		 1926 * We may need to retry the login, so don't change the state of the
1927 * port but do the retries.
1928 */
1929 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
1930 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1931
1932 if (!do_login)
1933 return;
1934
1935 if (fcport->login_retry == 0) {
1936 fcport->login_retry = ha->login_retry_count;
1937 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
1938
1939 DEBUG(printk("scsi(%ld): Port login retry: "
1940 "%02x%02x%02x%02x%02x%02x%02x%02x, "
1941 "id = 0x%04x retry cnt=%d\n",
1942 ha->host_no,
1943 fcport->port_name[0],
1944 fcport->port_name[1],
1945 fcport->port_name[2],
1946 fcport->port_name[3],
1947 fcport->port_name[4],
1948 fcport->port_name[5],
1949 fcport->port_name[6],
1950 fcport->port_name[7],
1951 fcport->loop_id,
1952 fcport->login_retry));
1953 }
1954}
1955
1956/*
1957 * qla2x00_mark_all_devices_lost
1958 * Updates fcport state when device goes offline.
1959 *
1960 * Input:
1961 * ha = adapter block pointer.
1962 * fcport = port structure pointer.
1963 *
1964 * Return:
1965 * None.
1966 *
1967 * Context:
1968 */
1969void
d97994dc 1970qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha, int defer)
1da177e4
LT		 1971{
1972 fc_port_t *fcport;
2c3dfe3f 1973 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4 1974
2c3dfe3f
SJ		 1975 list_for_each_entry(fcport, &pha->fcports, list) {
1976 if (ha->vp_idx != 0 && ha->vp_idx != fcport->vp_idx)
1da177e4 1977 continue;
1da177e4
LT		 1978 /*
1979 * No point in marking the device as lost, if the device is
1980 * already DEAD.
1981 */
1982 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
1983 continue;
2c3dfe3f
SJ		 1984 if (atomic_read(&fcport->state) == FCS_ONLINE) {
1985 if (defer)
1986 qla2x00_schedule_rport_del(ha, fcport, defer);
1987 else if (ha->vp_idx == fcport->vp_idx)
1988 qla2x00_schedule_rport_del(ha, fcport, defer);
1989 }
1da177e4
LT		 1990 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1991 }
d97994dc 1992
39a11240
CH		 1993 if (defer)
1994 qla2xxx_wake_dpc(ha);
1da177e4
LT		 1995}
1996
1997/*
1998* qla2x00_mem_alloc
1999* Allocates adapter memory.
2000*
2001* Returns:
2002* 0 = success.
e8711085 2003* !0 = failure.
1da177e4 2004*/
e8711085 2005static int
1da177e4
LT		 2006qla2x00_mem_alloc(scsi_qla_host_t *ha)
2007{
2008 char name[16];
1da177e4 2009
e8711085
AV		 2010 ha->request_ring = dma_alloc_coherent(&ha->pdev->dev,
2011 (ha->request_q_length + 1) * sizeof(request_t), &ha->request_dma,
2012 GFP_KERNEL);
2013 if (!ha->request_ring)
2014 goto fail;
2015
2016 ha->response_ring = dma_alloc_coherent(&ha->pdev->dev,
2017 (ha->response_q_length + 1) * sizeof(response_t),
2018 &ha->response_dma, GFP_KERNEL);
2019 if (!ha->response_ring)
2020 goto fail_free_request_ring;
2021
2022 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2023 &ha->gid_list_dma, GFP_KERNEL);
2024 if (!ha->gid_list)
2025 goto fail_free_response_ring;
2026
2027 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
2028 &ha->init_cb_dma, GFP_KERNEL);
2029 if (!ha->init_cb)
2030 goto fail_free_gid_list;
2031
2032 snprintf(name, sizeof(name), "%s_%ld", QLA2XXX_DRIVER_NAME,
2033 ha->host_no);
2034 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2035 DMA_POOL_SIZE, 8, 0);
2036 if (!ha->s_dma_pool)
2037 goto fail_free_init_cb;
1da177e4 2038
e8711085
AV		 2039 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2040 if (!ha->srb_mempool)
2041 goto fail_free_s_dma_pool;
2042
2043 /* Get memory for cached NVRAM */
2044 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2045 if (!ha->nvram)
2046 goto fail_free_srb_mempool;
2047
2048 /* Allocate memory for SNS commands */
2049 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2050 /* Get consistent memory allocated for SNS commands */
2051 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
2052 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
2053 if (!ha->sns_cmd)
2054 goto fail_free_nvram;
2055 } else {
2056 /* Get consistent memory allocated for MS IOCB */
2057 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2058 &ha->ms_iocb_dma);
2059 if (!ha->ms_iocb)
2060 goto fail_free_nvram;
2061
2062 /* Get consistent memory allocated for CT SNS commands */
2063 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
2064 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
2065 if (!ha->ct_sns)
2066 goto fail_free_ms_iocb;
1da177e4
LT		 2067 }
2068
e8711085
AV		 2069 return 0;
2070
2071fail_free_ms_iocb:
2072 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2073 ha->ms_iocb = NULL;
2074 ha->ms_iocb_dma = 0;
2075fail_free_nvram:
2076 kfree(ha->nvram);
2077 ha->nvram = NULL;
2078fail_free_srb_mempool:
2079 mempool_destroy(ha->srb_mempool);
2080 ha->srb_mempool = NULL;
2081fail_free_s_dma_pool:
2082 dma_pool_destroy(ha->s_dma_pool);
2083 ha->s_dma_pool = NULL;
2084fail_free_init_cb:
2085 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
2086 ha->init_cb_dma);
2087 ha->init_cb = NULL;
2088 ha->init_cb_dma = 0;
2089fail_free_gid_list:
2090 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2091 ha->gid_list_dma);
2092 ha->gid_list = NULL;
2093 ha->gid_list_dma = 0;
2094fail_free_response_ring:
2095 dma_free_coherent(&ha->pdev->dev, (ha->response_q_length + 1) *
2096 sizeof(response_t), ha->response_ring, ha->response_dma);
2097 ha->response_ring = NULL;
2098 ha->response_dma = 0;
2099fail_free_request_ring:
2100 dma_free_coherent(&ha->pdev->dev, (ha->request_q_length + 1) *
2101 sizeof(request_t), ha->request_ring, ha->request_dma);
2102 ha->request_ring = NULL;
2103 ha->request_dma = 0;
2104fail:
2105 return -ENOMEM;
1da177e4
LT		 2106}
2107
2108/*
2109* qla2x00_mem_free
2110* Frees all adapter allocated memory.
2111*
2112* Input:
2113* ha = adapter block pointer.
2114*/
a824ebb3 2115static void
1da177e4
LT		 2116qla2x00_mem_free(scsi_qla_host_t *ha)
2117{
1da177e4
LT		 2118 struct list_head *fcpl, *fcptemp;
2119 fc_port_t *fcport;
1da177e4 2120
e8711085
AV		 2121 if (ha->srb_mempool)
2122 mempool_destroy(ha->srb_mempool);
1da177e4 2123
df613b96
AV		 2124 if (ha->fce)
2125 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
2126 ha->fce_dma);
2127
a7a167bf
AV		 2128 if (ha->fw_dump) {
2129 if (ha->eft)
2130 dma_free_coherent(&ha->pdev->dev,
2131 ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
2132 vfree(ha->fw_dump);
2133 }
2134
1da177e4
LT		 2135 if (ha->sns_cmd)
2136 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2137 ha->sns_cmd, ha->sns_cmd_dma);
2138
2139 if (ha->ct_sns)
2140 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2141 ha->ct_sns, ha->ct_sns_dma);
2142
88729e53
AV		 2143 if (ha->sfp_data)
2144 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2145
1da177e4
LT		 2146 if (ha->ms_iocb)
2147 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2148
1da177e4
LT		 2149 if (ha->s_dma_pool)
2150 dma_pool_destroy(ha->s_dma_pool);
2151
2c3dfe3f
SJ		 2152 if (ha->init_cb)
2153 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2154 ha->init_cb, ha->init_cb_dma);
2155
1da177e4
LT		 2156 if (ha->gid_list)
2157 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2158 ha->gid_list_dma);
2159
2160 if (ha->response_ring)
2161 dma_free_coherent(&ha->pdev->dev,
2162 (ha->response_q_length + 1) * sizeof(response_t),
2163 ha->response_ring, ha->response_dma);
2164
2165 if (ha->request_ring)
2166 dma_free_coherent(&ha->pdev->dev,
2167 (ha->request_q_length + 1) * sizeof(request_t),
2168 ha->request_ring, ha->request_dma);
2169
e8711085 2170 ha->srb_mempool = NULL;
a7a167bf
AV		 2171 ha->eft = NULL;
2172 ha->eft_dma = 0;
1da177e4
LT		 2173 ha->sns_cmd = NULL;
2174 ha->sns_cmd_dma = 0;
2175 ha->ct_sns = NULL;
2176 ha->ct_sns_dma = 0;
2177 ha->ms_iocb = NULL;
2178 ha->ms_iocb_dma = 0;
1da177e4
LT		 2179 ha->init_cb = NULL;
2180 ha->init_cb_dma = 0;
2181
2182 ha->s_dma_pool = NULL;
2183
1da177e4
LT		 2184 ha->gid_list = NULL;
2185 ha->gid_list_dma = 0;
2186
2187 ha->response_ring = NULL;
2188 ha->response_dma = 0;
2189 ha->request_ring = NULL;
2190 ha->request_dma = 0;
2191
2192 list_for_each_safe(fcpl, fcptemp, &ha->fcports) {
2193 fcport = list_entry(fcpl, fc_port_t, list);
2194
1da177e4
LT		 2195 /* fc ports */
2196 list_del_init(&fcport->list);
2197 kfree(fcport);
2198 }
2199 INIT_LIST_HEAD(&ha->fcports);
2200
1da177e4 2201 ha->fw_dump = NULL;
fca29703 2202 ha->fw_dumped = 0;
1da177e4 2203 ha->fw_dump_reading = 0;
854165f4
AV		 2204
2205 vfree(ha->optrom_buffer);
53772a2c 2206 kfree(ha->nvram);
1da177e4
LT		 2207}
2208
1da177e4
LT		 2209/**************************************************************************
2210* qla2x00_do_dpc
2211* This kernel thread is a task that is schedule by the interrupt handler
2212* to perform the background processing for interrupts.
2213*
2214* Notes:
2215* This task always run in the context of a kernel thread. It
2216* is kick-off by the driver's detect code and starts up
2217* up one per adapter. It immediately goes to sleep and waits for
2218* some fibre event. When either the interrupt handler or
2219* the timer routine detects a event it will one of the task
2220* bits then wake us up.
2221**************************************************************************/
2222static int
2223qla2x00_do_dpc(void *data)
2224{
2c3dfe3f 2225 int rval;
1da177e4
LT		 2226 scsi_qla_host_t *ha;
2227 fc_port_t *fcport;
1da177e4 2228 uint8_t status;
1da177e4 2229 uint16_t next_loopid;
1da177e4
LT		 2230
2231 ha = (scsi_qla_host_t *)data;
2232
1da177e4
LT		 2233 set_user_nice(current, -20);
2234
39a11240 2235 while (!kthread_should_stop()) {
1da177e4
LT		 2236 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2237
39a11240
CH		 2238 set_current_state(TASK_INTERRUPTIBLE);
2239 schedule();
2240 __set_current_state(TASK_RUNNING);
1da177e4
LT		 2241
2242 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2243
2244 /* Initialization not yet finished. Don't do anything yet. */
39a11240 2245 if (!ha->flags.init_done)
1da177e4
LT		 2246 continue;
2247
2248 DEBUG3(printk("scsi(%ld): DPC handler\n", ha->host_no));
2249
2250 ha->dpc_active = 1;
2251
1da177e4 2252 if (ha->flags.mbox_busy) {
1da177e4
LT		 2253 ha->dpc_active = 0;
2254 continue;
2255 }
2256
2257 if (test_and_clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
2258
2259 DEBUG(printk("scsi(%ld): dpc: sched "
2260 "qla2x00_abort_isp ha = %p\n",
2261 ha->host_no, ha));
2262 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
2263 &ha->dpc_flags))) {
2264
2265 if (qla2x00_abort_isp(ha)) {
2266 /* failed. retry later */
2267 set_bit(ISP_ABORT_NEEDED,
2268 &ha->dpc_flags);
2269 }
2270 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2271 }
2272 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
2273 ha->host_no));
2274 }
2275
d97994dc
AV		 2276 if (test_and_clear_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags))
2277 qla2x00_update_fcports(ha);
2278
91ca7b01
AV		 2279 if (test_and_clear_bit(LOOP_RESET_NEEDED, &ha->dpc_flags)) {
2280 DEBUG(printk("scsi(%ld): dpc: sched loop_reset()\n",
2281 ha->host_no));
2282 qla2x00_loop_reset(ha);
2283 }
2284
1da177e4
LT		 2285 if (test_and_clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) &&
2286 (!(test_and_set_bit(RESET_ACTIVE, &ha->dpc_flags)))) {
2287
2288 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
2289 ha->host_no));
2290
2291 qla2x00_rst_aen(ha);
2292 clear_bit(RESET_ACTIVE, &ha->dpc_flags);
2293 }
2294
2295 /* Retry each device up to login retry count */
2296 if ((test_and_clear_bit(RELOGIN_NEEDED, &ha->dpc_flags)) &&
2297 !test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) &&
2298 atomic_read(&ha->loop_state) != LOOP_DOWN) {
2299
2300 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
2301 ha->host_no));
2302
2303 next_loopid = 0;
2304 list_for_each_entry(fcport, &ha->fcports, list) {
1da177e4
LT		 2305 /*
2306 * If the port is not ONLINE then try to login
2307 * to it if we haven't run out of retries.
2308 */
2309 if (atomic_read(&fcport->state) != FCS_ONLINE &&
2310 fcport->login_retry) {
2311
1da177e4
LT		 2312 if (fcport->flags & FCF_FABRIC_DEVICE) {
2313 if (fcport->flags &
2314 FCF_TAPE_PRESENT)
fd34f556 2315 ha->isp_ops->fabric_logout(
1c7c6357
AV		 2316 ha, fcport->loop_id,
2317 fcport->d_id.b.domain,
2318 fcport->d_id.b.area,
2319 fcport->d_id.b.al_pa);
1da177e4
LT		 2320 status = qla2x00_fabric_login(
2321 ha, fcport, &next_loopid);
2322 } else
2323 status =
2324 qla2x00_local_device_login(
9a52a57c 2325 ha, fcport);
1da177e4 2326
63a8651f 2327 fcport->login_retry--;
1da177e4
LT		 2328 if (status == QLA_SUCCESS) {
2329 fcport->old_loop_id = fcport->loop_id;
2330
2331 DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n",
2332 ha->host_no, fcport->loop_id));
fa2a1ce5 2333
052c40c8
AV		 2334 qla2x00_update_fcport(ha,
2335 fcport);
1da177e4
LT		 2336 } else if (status == 1) {
2337 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
2338 /* retry the login again */
2339 DEBUG(printk("scsi(%ld): Retrying %d login again loop_id 0x%x\n",
2340 ha->host_no,
2341 fcport->login_retry, fcport->loop_id));
2342 } else {
2343 fcport->login_retry = 0;
2344 }
63a8651f
RA		 2345 if (fcport->login_retry == 0)
2346 fcport->loop_id = FC_NO_LOOP_ID;
1da177e4
LT		 2347 }
2348 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2349 break;
2350 }
2351 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
2352 ha->host_no));
2353 }
2354
2355 if ((test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags)) &&
2356 atomic_read(&ha->loop_state) != LOOP_DOWN) {
2357
2358 clear_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags);
2359 DEBUG(printk("scsi(%ld): qla2x00_login_retry()\n",
2360 ha->host_no));
fa2a1ce5 2361
1da177e4
LT		 2362 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
2363
2364 DEBUG(printk("scsi(%ld): qla2x00_login_retry - end\n",
2365 ha->host_no));
2366 }
2367
2368 if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
2369
2370 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
2371 ha->host_no));
2372
2373 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
2374 &ha->dpc_flags))) {
2375
2c3dfe3f 2376 rval = qla2x00_loop_resync(ha);
1da177e4
LT		 2377
2378 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
2379 }
2380
2381 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
2382 ha->host_no));
2383 }
2384
1da177e4
LT		 2385 if (test_and_clear_bit(FCPORT_RESCAN_NEEDED, &ha->dpc_flags)) {
2386
2387 DEBUG(printk("scsi(%ld): Rescan flagged fcports...\n",
2388 ha->host_no));
2389
2390 qla2x00_rescan_fcports(ha);
2391
2392 DEBUG(printk("scsi(%ld): Rescan flagged fcports..."
2393 "end.\n",
2394 ha->host_no));
2395 }
2396
1da177e4 2397 if (!ha->interrupts_on)
fd34f556 2398 ha->isp_ops->enable_intrs(ha);
1da177e4 2399
f6df144c 2400 if (test_and_clear_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags))
fd34f556 2401 ha->isp_ops->beacon_blink(ha);
f6df144c 2402
2c3dfe3f
SJ		 2403 qla2x00_do_dpc_all_vps(ha);
2404
1da177e4
LT		 2405 ha->dpc_active = 0;
2406 } /* End of while(1) */
2407
2408 DEBUG(printk("scsi(%ld): DPC handler exiting\n", ha->host_no));
2409
2410 /*
2411 * Make sure that nobody tries to wake us up again.
2412 */
1da177e4
LT		 2413 ha->dpc_active = 0;
2414
39a11240
CH		 2415 return 0;
2416}
2417
2418void
2419qla2xxx_wake_dpc(scsi_qla_host_t *ha)
2420{
2421 if (ha->dpc_thread)
2422 wake_up_process(ha->dpc_thread);
1da177e4
LT		 2423}
2424
1da177e4
LT		 2425/*
2426* qla2x00_rst_aen
2427* Processes asynchronous reset.
2428*
2429* Input:
2430* ha = adapter block pointer.
2431*/
2432static void
fa2a1ce5 2433qla2x00_rst_aen(scsi_qla_host_t *ha)
1da177e4
LT		 2434{
2435 if (ha->flags.online && !ha->flags.reset_active &&
2436 !atomic_read(&ha->loop_down_timer) &&
2437 !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) {
2438 do {
2439 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
2440
2441 /*
2442 * Issue marker command only when we are going to start
2443 * the I/O.
2444 */
2445 ha->marker_needed = 1;
2446 } while (!atomic_read(&ha->loop_down_timer) &&
2447 (test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags)));
2448 }
2449}
2450
f4f051eb
AV		 2451static void
2452qla2x00_sp_free_dma(scsi_qla_host_t *ha, srb_t *sp)
2453{
2454 struct scsi_cmnd *cmd = sp->cmd;
2455
2456 if (sp->flags & SRB_DMA_VALID) {
385d70b4 2457 scsi_dma_unmap(cmd);
f4f051eb
AV		 2458 sp->flags &= ~SRB_DMA_VALID;
2459 }
fca29703 2460 CMD_SP(cmd) = NULL;
f4f051eb
AV		 2461}
2462
2463void
2464qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *sp)
2465{
2466 struct scsi_cmnd *cmd = sp->cmd;
2467
2468 qla2x00_sp_free_dma(ha, sp);
2469
f4f051eb
AV		 2470 mempool_free(sp, ha->srb_mempool);
2471
2472 cmd->scsi_done(cmd);
2473}
bdf79621 2474
1da177e4
LT		 2475/**************************************************************************
2476* qla2x00_timer
2477*
2478* Description:
2479* One second timer
2480*
2481* Context: Interrupt
2482***************************************************************************/
2c3dfe3f 2483void
1da177e4
LT		 2484qla2x00_timer(scsi_qla_host_t *ha)
2485{
1da177e4
LT		 2486 unsigned long cpu_flags = 0;
2487 fc_port_t *fcport;
1da177e4
LT		 2488 int start_dpc = 0;
2489 int index;
2490 srb_t *sp;
f4f051eb 2491 int t;
2c3dfe3f 2492 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4
LT		 2493
2494 /*
2495 * Ports - Port down timer.
2496 *
2497 * Whenever, a port is in the LOST state we start decrementing its port
2498 * down timer every second until it reaches zero. Once it reaches zero
fa2a1ce5 2499 * the port it marked DEAD.
1da177e4
LT		 2500 */
2501 t = 0;
2502 list_for_each_entry(fcport, &ha->fcports, list) {
2503 if (fcport->port_type != FCT_TARGET)
2504 continue;
2505
2506 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2507
2508 if (atomic_read(&fcport->port_down_timer) == 0)
2509 continue;
2510
fa2a1ce5 2511 if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
1da177e4 2512 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
fa2a1ce5 2513
1da177e4 2514 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
fca29703 2515 "%d remaining\n",
1da177e4
LT		 2516 ha->host_no,
2517 t, atomic_read(&fcport->port_down_timer)));
2518 }
2519 t++;
2520 } /* End of for fcport */
2521
1da177e4
LT		 2522
2523 /* Loop down handler. */
2524 if (atomic_read(&ha->loop_down_timer) > 0 &&
2525 !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) && ha->flags.online) {
2526
2527 if (atomic_read(&ha->loop_down_timer) ==
2528 ha->loop_down_abort_time) {
2529
2530 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2531 "queues before time expire\n",
2532 ha->host_no));
2533
2534 if (!IS_QLA2100(ha) && ha->link_down_timeout)
fa2a1ce5 2535 atomic_set(&ha->loop_state, LOOP_DEAD);
1da177e4
LT		 2536
2537 /* Schedule an ISP abort to return any tape commands. */
2c3dfe3f
SJ		 2538 /* NPIV - scan physical port only */
2539 if (!ha->parent) {
2540 spin_lock_irqsave(&ha->hardware_lock,
2541 cpu_flags);
2542 for (index = 1;
2543 index < MAX_OUTSTANDING_COMMANDS;
2544 index++) {
2545 fc_port_t *sfcp;
2546
2547 sp = ha->outstanding_cmds[index];
2548 if (!sp)
2549 continue;
2550 sfcp = sp->fcport;
2551 if (!(sfcp->flags & FCF_TAPE_PRESENT))
2552 continue;
bdf79621 2553
2c3dfe3f
SJ		 2554 set_bit(ISP_ABORT_NEEDED,
2555 &ha->dpc_flags);
2556 break;
2557 }
2558 spin_unlock_irqrestore(&ha->hardware_lock,
2559 cpu_flags);
1da177e4 2560 }
1da177e4
LT		 2561 set_bit(ABORT_QUEUES_NEEDED, &ha->dpc_flags);
2562 start_dpc++;
2563 }
2564
2565 /* if the loop has been down for 4 minutes, reinit adapter */
2566 if (atomic_dec_and_test(&ha->loop_down_timer) != 0) {
2567 DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - "
2568 "restarting queues.\n",
2569 ha->host_no));
2570
2571 set_bit(RESTART_QUEUES_NEEDED, &ha->dpc_flags);
2572 start_dpc++;
2573
2574 if (!(ha->device_flags & DFLG_NO_CABLE)) {
2575 DEBUG(printk("scsi(%ld): Loop down - "
2576 "aborting ISP.\n",
2577 ha->host_no));
2578 qla_printk(KERN_WARNING, ha,
2579 "Loop down - aborting ISP.\n");
2580
2581 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
2582 }
2583 }
fca29703 2584 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
1da177e4
LT		 2585 ha->host_no,
2586 atomic_read(&ha->loop_down_timer)));
2587 }
2588
f6df144c
AV		 2589 /* Check if beacon LED needs to be blinked */
2590 if (ha->beacon_blink_led == 1) {
2591 set_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags);
2592 start_dpc++;
2593 }
2594
1da177e4
LT		 2595 /* Schedule the DPC routine if needed */
2596 if ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) ||
2597 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) ||
91ca7b01 2598 test_bit(LOOP_RESET_NEEDED, &ha->dpc_flags) ||
d97994dc 2599 test_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags) ||
1da177e4
LT		 2600 start_dpc ||
2601 test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags) ||
f4f051eb 2602 test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) ||
f6df144c 2603 test_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags) ||
2c3dfe3f 2604 test_bit(VP_DPC_NEEDED, &ha->dpc_flags) ||
39a11240 2605 test_bit(RELOGIN_NEEDED, &ha->dpc_flags)))
2c3dfe3f 2606 qla2xxx_wake_dpc(pha);
1da177e4
LT		 2607
2608 qla2x00_restart_timer(ha, WATCH_INTERVAL);
2609}
2610
5433383e
AV		 2611/* Firmware interface routines. */
2612
c3a2f0df 2613#define FW_BLOBS 6
5433383e
AV		 2614#define FW_ISP21XX 0
2615#define FW_ISP22XX 1
2616#define FW_ISP2300 2
2617#define FW_ISP2322 3
48c02fde 2618#define FW_ISP24XX 4
c3a2f0df 2619#define FW_ISP25XX 5
5433383e 2620
bb8ee499
AV		 2621#define FW_FILE_ISP21XX "ql2100_fw.bin"
2622#define FW_FILE_ISP22XX "ql2200_fw.bin"
2623#define FW_FILE_ISP2300 "ql2300_fw.bin"
2624#define FW_FILE_ISP2322 "ql2322_fw.bin"
2625#define FW_FILE_ISP24XX "ql2400_fw.bin"
c3a2f0df 2626#define FW_FILE_ISP25XX "ql2500_fw.bin"
bb8ee499 2627
5433383e
AV		 2628static DECLARE_MUTEX(qla_fw_lock);
2629
2630static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
bb8ee499
AV		 2631 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
2632 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
2633 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
2634 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
2635 { .name = FW_FILE_ISP24XX, },
c3a2f0df 2636 { .name = FW_FILE_ISP25XX, },
5433383e
AV		 2637};
2638
2639struct fw_blob *
2640qla2x00_request_firmware(scsi_qla_host_t *ha)
2641{
2642 struct fw_blob *blob;
2643
2644 blob = NULL;
2645 if (IS_QLA2100(ha)) {
2646 blob = &qla_fw_blobs[FW_ISP21XX];
2647 } else if (IS_QLA2200(ha)) {
2648 blob = &qla_fw_blobs[FW_ISP22XX];
48c02fde 2649 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
5433383e 2650 blob = &qla_fw_blobs[FW_ISP2300];
48c02fde 2651 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
5433383e 2652 blob = &qla_fw_blobs[FW_ISP2322];
044cc6c8 2653 } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
5433383e 2654 blob = &qla_fw_blobs[FW_ISP24XX];
c3a2f0df
AV		 2655 } else if (IS_QLA25XX(ha)) {
2656 blob = &qla_fw_blobs[FW_ISP25XX];
5433383e
AV		 2657 }
2658
2659 down(&qla_fw_lock);
2660 if (blob->fw)
2661 goto out;
2662
2663 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
2664 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
2665 "(%s).\n", ha->host_no, blob->name));
2666 blob->fw = NULL;
2667 blob = NULL;
2668 goto out;
2669 }
2670
2671out:
2672 up(&qla_fw_lock);
2673 return blob;
2674}
2675
2676static void
2677qla2x00_release_firmware(void)
2678{
2679 int idx;
2680
2681 down(&qla_fw_lock);
2682 for (idx = 0; idx < FW_BLOBS; idx++)
2683 if (qla_fw_blobs[idx].fw)
2684 release_firmware(qla_fw_blobs[idx].fw);
2685 up(&qla_fw_lock);
2686}
2687
14e660e6
SJ		 2688static pci_ers_result_t
2689qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
2690{
2691 switch (state) {
2692 case pci_channel_io_normal:
2693 return PCI_ERS_RESULT_CAN_RECOVER;
2694 case pci_channel_io_frozen:
2695 pci_disable_device(pdev);
2696 return PCI_ERS_RESULT_NEED_RESET;
2697 case pci_channel_io_perm_failure:
2698 qla2x00_remove_one(pdev);
2699 return PCI_ERS_RESULT_DISCONNECT;
2700 }
2701 return PCI_ERS_RESULT_NEED_RESET;
2702}
2703
2704static pci_ers_result_t
2705qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
2706{
2707 int risc_paused = 0;
2708 uint32_t stat;
2709 unsigned long flags;
2710 scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2711 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2712 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
2713
2714 spin_lock_irqsave(&ha->hardware_lock, flags);
2715 if (IS_QLA2100(ha) || IS_QLA2200(ha)){
2716 stat = RD_REG_DWORD(&reg->hccr);
2717 if (stat & HCCR_RISC_PAUSE)
2718 risc_paused = 1;
2719 } else if (IS_QLA23XX(ha)) {
2720 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
2721 if (stat & HSR_RISC_PAUSED)
2722 risc_paused = 1;
2723 } else if (IS_FWI2_CAPABLE(ha)) {
2724 stat = RD_REG_DWORD(&reg24->host_status);
2725 if (stat & HSRX_RISC_PAUSED)
2726 risc_paused = 1;
2727 }
2728 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2729
2730 if (risc_paused) {
2731 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
2732 "Dumping firmware!\n");
2733 ha->isp_ops->fw_dump(ha, 0);
2734
2735 return PCI_ERS_RESULT_NEED_RESET;
2736 } else
2737 return PCI_ERS_RESULT_RECOVERED;
2738}
2739
2740static pci_ers_result_t
2741qla2xxx_pci_slot_reset(struct pci_dev *pdev)
2742{
2743 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
2744 scsi_qla_host_t *ha = pci_get_drvdata(pdev);
09483916
BH		 2745 int rc;
2746
2747 if (ha->mem_only)
2748 rc = pci_enable_device_mem(pdev);
2749 else
2750 rc = pci_enable_device(pdev);
14e660e6 2751
09483916 2752 if (rc) {
14e660e6
SJ		 2753 qla_printk(KERN_WARNING, ha,
2754 "Can't re-enable PCI device after reset.\n");
2755
2756 return ret;
2757 }
2758 pci_set_master(pdev);
2759
2760 if (ha->isp_ops->pci_config(ha))
2761 return ret;
2762
2763 set_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2764 if (qla2x00_abort_isp(ha)== QLA_SUCCESS)
2765 ret = PCI_ERS_RESULT_RECOVERED;
2766 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2767
2768 return ret;
2769}
2770
2771static void
2772qla2xxx_pci_resume(struct pci_dev *pdev)
2773{
2774 scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2775 int ret;
2776
2777 ret = qla2x00_wait_for_hba_online(ha);
2778 if (ret != QLA_SUCCESS) {
2779 qla_printk(KERN_ERR, ha,
2780 "the device failed to resume I/O "
2781 "from slot/link_reset");
2782 }
2783 pci_cleanup_aer_uncorrect_error_status(pdev);
2784}
2785
2786static struct pci_error_handlers qla2xxx_err_handler = {
2787 .error_detected = qla2xxx_pci_error_detected,
2788 .mmio_enabled = qla2xxx_pci_mmio_enabled,
2789 .slot_reset = qla2xxx_pci_slot_reset,
2790 .resume = qla2xxx_pci_resume,
2791};
2792
5433383e 2793static struct pci_device_id qla2xxx_pci_tbl[] = {
47f5e069
AV		 2794 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
2795 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
2796 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
2797 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
2798 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
2799 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
2800 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
2801 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
2802 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
2803 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
2804 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
c3a2f0df 2805 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
5433383e
AV		 2806 { 0 },
2807};
2808MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
2809
fca29703 2810static struct pci_driver qla2xxx_pci_driver = {
cb63067a 2811 .name = QLA2XXX_DRIVER_NAME,
0a21ef1e
JB		 2812 .driver = {
2813 .owner = THIS_MODULE,
2814 },
fca29703 2815 .id_table = qla2xxx_pci_tbl,
7ee61397 2816 .probe = qla2x00_probe_one,
4c993f76 2817 .remove = qla2x00_remove_one,
14e660e6 2818 .err_handler = &qla2xxx_err_handler,
fca29703
AV		 2819};
2820
1da177e4
LT		 2821/**
2822 * qla2x00_module_init - Module initialization.
2823 **/
2824static int __init
2825qla2x00_module_init(void)
2826{
fca29703
AV		 2827 int ret = 0;
2828
1da177e4 2829 /* Allocate cache for SRBs. */
354d6b21 2830 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
20c2df83 2831 SLAB_HWCACHE_ALIGN, NULL);
1da177e4
LT		 2832 if (srb_cachep == NULL) {
2833 printk(KERN_ERR
2834 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
2835 return -ENOMEM;
2836 }
2837
2838 /* Derive version string. */
2839 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
11010fec 2840 if (ql2xextended_error_logging)
0181944f
AV		 2841 strcat(qla2x00_version_str, "-debug");
2842
1c97a12a
AV		 2843 qla2xxx_transport_template =
2844 fc_attach_transport(&qla2xxx_transport_functions);
2c3dfe3f
SJ		 2845 if (!qla2xxx_transport_template) {
2846 kmem_cache_destroy(srb_cachep);
1da177e4 2847 return -ENODEV;
2c3dfe3f
SJ		 2848 }
2849 qla2xxx_transport_vport_template =
2850 fc_attach_transport(&qla2xxx_transport_vport_functions);
2851 if (!qla2xxx_transport_vport_template) {
2852 kmem_cache_destroy(srb_cachep);
2853 fc_release_transport(qla2xxx_transport_template);
1da177e4 2854 return -ENODEV;
2c3dfe3f 2855 }
1da177e4
LT		 2856
2857 printk(KERN_INFO "QLogic Fibre Channel HBA Driver\n");
7ee61397 2858 ret = pci_register_driver(&qla2xxx_pci_driver);
fca29703
AV		 2859 if (ret) {
2860 kmem_cache_destroy(srb_cachep);
2861 fc_release_transport(qla2xxx_transport_template);
2c3dfe3f 2862 fc_release_transport(qla2xxx_transport_vport_template);
fca29703
AV		 2863 }
2864 return ret;
1da177e4
LT		 2865}
2866
2867/**
2868 * qla2x00_module_exit - Module cleanup.
2869 **/
2870static void __exit
2871qla2x00_module_exit(void)
2872{
7ee61397 2873 pci_unregister_driver(&qla2xxx_pci_driver);
5433383e 2874 qla2x00_release_firmware();
354d6b21 2875 kmem_cache_destroy(srb_cachep);
1da177e4 2876 fc_release_transport(qla2xxx_transport_template);
2c3dfe3f 2877 fc_release_transport(qla2xxx_transport_vport_template);
1da177e4
LT		 2878}
2879
2880module_init(qla2x00_module_init);
2881module_exit(qla2x00_module_exit);
2882
2883MODULE_AUTHOR("QLogic Corporation");
2884MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
2885MODULE_LICENSE("GPL");
2886MODULE_VERSION(QLA2XXX_VERSION);
bb8ee499
AV		 2887MODULE_FIRMWARE(FW_FILE_ISP21XX);
2888MODULE_FIRMWARE(FW_FILE_ISP22XX);
2889MODULE_FIRMWARE(FW_FILE_ISP2300);
2890MODULE_FIRMWARE(FW_FILE_ISP2322);
2891MODULE_FIRMWARE(FW_FILE_ISP24XX);
61623fc3 2892MODULE_FIRMWARE(FW_FILE_ISP25XX);
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