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[SCSI] qla2xxx: Assign mailbox command timeout values in a consistent manner.
[linux-2.6-block.git] / drivers / scsi / qla2xxx / qla_os.c
CommitLineData
1da177e4 1/*
fa90c54f 2 * QLogic Fibre Channel HBA Driver
01e58d8e 3 * Copyright (c) 2003-2008 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 28
2c3dfe3f 29int num_hosts;
1da177e4
LT		 30int ql2xlogintimeout = 20;
31module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR);
32MODULE_PARM_DESC(ql2xlogintimeout,
33 "Login timeout value in seconds.");
34
a7b61842 35int qlport_down_retry;
1da177e4
LT		 36module_param(qlport_down_retry, int, S_IRUGO|S_IRUSR);
37MODULE_PARM_DESC(qlport_down_retry,
900d9f98 38 "Maximum number of command retries to a port that returns "
1da177e4
LT		 39 "a PORT-DOWN status.");
40
1da177e4
LT		 41int ql2xplogiabsentdevice;
42module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
43MODULE_PARM_DESC(ql2xplogiabsentdevice,
44 "Option to enable PLOGI to devices that are not present after "
900d9f98 45 "a Fabric scan. This is needed for several broken switches. "
1da177e4
LT		 46 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
47
1da177e4
LT		 48int ql2xloginretrycount = 0;
49module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR);
50MODULE_PARM_DESC(ql2xloginretrycount,
51 "Specify an alternate value for the NVRAM login retry count.");
52
a7a167bf
AV		 53int ql2xallocfwdump = 1;
54module_param(ql2xallocfwdump, int, S_IRUGO|S_IRUSR);
55MODULE_PARM_DESC(ql2xallocfwdump,
56 "Option to enable allocation of memory for a firmware dump "
57 "during HBA initialization. Memory allocation requirements "
58 "vary by ISP type. Default is 1 - allocate memory.");
59
11010fec 60int ql2xextended_error_logging;
27d94035 61module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
11010fec 62MODULE_PARM_DESC(ql2xextended_error_logging,
0181944f
AV		 63 "Option to enable extended error logging, "
64 "Default is 0 - no logging. 1 - log errors.");
65
1da177e4
LT		 66static void qla2x00_free_device(scsi_qla_host_t *);
67
68static void qla2x00_config_dma_addressing(scsi_qla_host_t *ha);
69
cca5335c
AV		 70int ql2xfdmienable;
71module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR);
72MODULE_PARM_DESC(ql2xfdmienable,
73 "Enables FDMI registratons "
74 "Default is 0 - no FDMI. 1 - perfom FDMI.");
75
df7baa50
AV		 76#define MAX_Q_DEPTH 32
77static int ql2xmaxqdepth = MAX_Q_DEPTH;
78module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
79MODULE_PARM_DESC(ql2xmaxqdepth,
80 "Maximum queue depth to report for target devices.");
81
82int ql2xqfullrampup = 120;
83module_param(ql2xqfullrampup, int, S_IRUGO|S_IWUSR);
84MODULE_PARM_DESC(ql2xqfullrampup,
85 "Number of seconds to wait to begin to ramp-up the queue "
86 "depth for a device after a queue-full condition has been "
87 "detected. Default is 120 seconds.");
88
1da177e4 89/*
fa2a1ce5 90 * SCSI host template entry points
1da177e4
LT		 91 */
92static int qla2xxx_slave_configure(struct scsi_device * device);
f4f051eb 93static int qla2xxx_slave_alloc(struct scsi_device *);
1e99e33a
AV		 94static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
95static void qla2xxx_scan_start(struct Scsi_Host *);
f4f051eb 96static void qla2xxx_slave_destroy(struct scsi_device *);
1da177e4
LT		 97static int qla2x00_queuecommand(struct scsi_cmnd *cmd,
98 void (*fn)(struct scsi_cmnd *));
fca29703
AV		 99static int qla24xx_queuecommand(struct scsi_cmnd *cmd,
100 void (*fn)(struct scsi_cmnd *));
1da177e4
LT		 101static int qla2xxx_eh_abort(struct scsi_cmnd *);
102static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
523ec773 103static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
1da177e4
LT		 104static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
105static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
1da177e4 106
ce7e4af7
AV		 107static int qla2x00_change_queue_depth(struct scsi_device *, int);
108static int qla2x00_change_queue_type(struct scsi_device *, int);
109
a824ebb3 110static struct scsi_host_template qla2x00_driver_template = {
1da177e4 111 .module = THIS_MODULE,
cb63067a 112 .name = QLA2XXX_DRIVER_NAME,
1da177e4
LT		 113 .queuecommand = qla2x00_queuecommand,
114
115 .eh_abort_handler = qla2xxx_eh_abort,
116 .eh_device_reset_handler = qla2xxx_eh_device_reset,
523ec773 117 .eh_target_reset_handler = qla2xxx_eh_target_reset,
1da177e4
LT		 118 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
119 .eh_host_reset_handler = qla2xxx_eh_host_reset,
120
121 .slave_configure = qla2xxx_slave_configure,
122
f4f051eb 123 .slave_alloc = qla2xxx_slave_alloc,
124 .slave_destroy = qla2xxx_slave_destroy,
1e99e33a
AV		 125 .scan_finished = qla2xxx_scan_finished,
126 .scan_start = qla2xxx_scan_start,
ce7e4af7
AV		 127 .change_queue_depth = qla2x00_change_queue_depth,
128 .change_queue_type = qla2x00_change_queue_type,
1da177e4
LT		 129 .this_id = -1,
130 .cmd_per_lun = 3,
131 .use_clustering = ENABLE_CLUSTERING,
132 .sg_tablesize = SG_ALL,
133
134 /*
135 * The RISC allows for each command to transfer (2^32-1) bytes of data,
136 * which equates to 0x800000 sectors.
137 */
138 .max_sectors = 0xFFFF,
afb046e2 139 .shost_attrs = qla2x00_host_attrs,
1da177e4
LT		 140};
141
2c3dfe3f 142struct scsi_host_template qla24xx_driver_template = {
fca29703 143 .module = THIS_MODULE,
cb63067a 144 .name = QLA2XXX_DRIVER_NAME,
fca29703
AV		 145 .queuecommand = qla24xx_queuecommand,
146
147 .eh_abort_handler = qla2xxx_eh_abort,
148 .eh_device_reset_handler = qla2xxx_eh_device_reset,
523ec773 149 .eh_target_reset_handler = qla2xxx_eh_target_reset,
fca29703
AV		 150 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
151 .eh_host_reset_handler = qla2xxx_eh_host_reset,
152
153 .slave_configure = qla2xxx_slave_configure,
154
155 .slave_alloc = qla2xxx_slave_alloc,
156 .slave_destroy = qla2xxx_slave_destroy,
ed677086
AV		 157 .scan_finished = qla2xxx_scan_finished,
158 .scan_start = qla2xxx_scan_start,
ce7e4af7
AV		 159 .change_queue_depth = qla2x00_change_queue_depth,
160 .change_queue_type = qla2x00_change_queue_type,
fca29703
AV		 161 .this_id = -1,
162 .cmd_per_lun = 3,
163 .use_clustering = ENABLE_CLUSTERING,
164 .sg_tablesize = SG_ALL,
165
166 .max_sectors = 0xFFFF,
afb046e2 167 .shost_attrs = qla2x00_host_attrs,
fca29703
AV		 168};
169
1da177e4 170static struct scsi_transport_template *qla2xxx_transport_template = NULL;
2c3dfe3f 171struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
1da177e4 172
1da177e4
LT		 173/* TODO Convert to inlines
174 *
175 * Timer routines
176 */
1da177e4 177
2c3dfe3f 178__inline__ void
1da177e4
LT		 179qla2x00_start_timer(scsi_qla_host_t *ha, void *func, unsigned long interval)
180{
181 init_timer(&ha->timer);
182 ha->timer.expires = jiffies + interval * HZ;
183 ha->timer.data = (unsigned long)ha;
184 ha->timer.function = (void (*)(unsigned long))func;
185 add_timer(&ha->timer);
186 ha->timer_active = 1;
187}
188
189static inline void
190qla2x00_restart_timer(scsi_qla_host_t *ha, unsigned long interval)
191{
192 mod_timer(&ha->timer, jiffies + interval * HZ);
193}
194
a824ebb3 195static __inline__ void
1da177e4
LT		 196qla2x00_stop_timer(scsi_qla_host_t *ha)
197{
198 del_timer_sync(&ha->timer);
199 ha->timer_active = 0;
200}
201
1da177e4
LT		 202static int qla2x00_do_dpc(void *data);
203
204static void qla2x00_rst_aen(scsi_qla_host_t *);
205
e8711085 206static int qla2x00_mem_alloc(scsi_qla_host_t *);
a824ebb3 207static void qla2x00_mem_free(scsi_qla_host_t *ha);
f4f051eb 208static void qla2x00_sp_free_dma(scsi_qla_host_t *, srb_t *);
1da177e4 209
1da177e4
LT		 210/* -------------------------------------------------------------------------- */
211
1da177e4 212static char *
abbd8870 213qla2x00_pci_info_str(struct scsi_qla_host *ha, char *str)
1da177e4
LT		 214{
215 static char *pci_bus_modes[] = {
216 "33", "66", "100", "133",
217 };
218 uint16_t pci_bus;
219
220 strcpy(str, "PCI");
221 pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
222 if (pci_bus) {
223 strcat(str, "-X (");
224 strcat(str, pci_bus_modes[pci_bus]);
225 } else {
226 pci_bus = (ha->pci_attr & BIT_8) >> 8;
227 strcat(str, " (");
228 strcat(str, pci_bus_modes[pci_bus]);
229 }
230 strcat(str, " MHz)");
231
232 return (str);
233}
234
fca29703
AV		 235static char *
236qla24xx_pci_info_str(struct scsi_qla_host *ha, char *str)
237{
238 static char *pci_bus_modes[] = { "33", "66", "100", "133", };
239 uint32_t pci_bus;
240 int pcie_reg;
241
242 pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
243 if (pcie_reg) {
244 char lwstr[6];
245 uint16_t pcie_lstat, lspeed, lwidth;
246
247 pcie_reg += 0x12;
248 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
249 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
250 lwidth = (pcie_lstat &
251 (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
252
253 strcpy(str, "PCIe (");
254 if (lspeed == 1)
c87a0d8c 255 strcat(str, "2.5GT/s ");
c3a2f0df 256 else if (lspeed == 2)
c87a0d8c 257 strcat(str, "5.0GT/s ");
fca29703
AV		 258 else
259 strcat(str, "<unknown> ");
260 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
261 strcat(str, lwstr);
262
263 return str;
264 }
265
266 strcpy(str, "PCI");
267 pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
268 if (pci_bus == 0 || pci_bus == 8) {
269 strcat(str, " (");
270 strcat(str, pci_bus_modes[pci_bus >> 3]);
271 } else {
272 strcat(str, "-X ");
273 if (pci_bus & BIT_2)
274 strcat(str, "Mode 2");
275 else
276 strcat(str, "Mode 1");
277 strcat(str, " (");
278 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
279 }
280 strcat(str, " MHz)");
281
282 return str;
283}
284
e5f82ab8 285static char *
abbd8870 286qla2x00_fw_version_str(struct scsi_qla_host *ha, char *str)
1da177e4
LT		 287{
288 char un_str[10];
fa2a1ce5 289
1da177e4
LT		 290 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
291 ha->fw_minor_version,
292 ha->fw_subminor_version);
293
294 if (ha->fw_attributes & BIT_9) {
295 strcat(str, "FLX");
296 return (str);
297 }
298
299 switch (ha->fw_attributes & 0xFF) {
300 case 0x7:
301 strcat(str, "EF");
302 break;
303 case 0x17:
304 strcat(str, "TP");
305 break;
306 case 0x37:
307 strcat(str, "IP");
308 break;
309 case 0x77:
310 strcat(str, "VI");
311 break;
312 default:
313 sprintf(un_str, "(%x)", ha->fw_attributes);
314 strcat(str, un_str);
315 break;
316 }
317 if (ha->fw_attributes & 0x100)
318 strcat(str, "X");
319
320 return (str);
321}
322
e5f82ab8 323static char *
fca29703
AV		 324qla24xx_fw_version_str(struct scsi_qla_host *ha, char *str)
325{
f0883ac6
AV		 326 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
327 ha->fw_minor_version,
328 ha->fw_subminor_version);
329
fca29703
AV		 330 if (ha->fw_attributes & BIT_0)
331 strcat(str, "[Class 2] ");
332 if (ha->fw_attributes & BIT_1)
333 strcat(str, "[IP] ");
334 if (ha->fw_attributes & BIT_2)
335 strcat(str, "[Multi-ID] ");
c3a2f0df
AV		 336 if (ha->fw_attributes & BIT_3)
337 strcat(str, "[SB-2] ");
338 if (ha->fw_attributes & BIT_4)
339 strcat(str, "[T10 CRC] ");
340 if (ha->fw_attributes & BIT_5)
341 strcat(str, "[VI] ");
fca29703
AV		 342 if (ha->fw_attributes & BIT_13)
343 strcat(str, "[Experimental]");
344 return str;
fca29703
AV		 345}
346
347static inline srb_t *
348qla2x00_get_new_sp(scsi_qla_host_t *ha, fc_port_t *fcport,
349 struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
350{
351 srb_t *sp;
352
353 sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
354 if (!sp)
355 return sp;
356
fca29703
AV		 357 sp->ha = ha;
358 sp->fcport = fcport;
359 sp->cmd = cmd;
360 sp->flags = 0;
361 CMD_SP(cmd) = (void *)sp;
362 cmd->scsi_done = done;
363
364 return sp;
365}
366
1da177e4 367static int
f4f051eb 368qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
1da177e4 369{
f363b943 370 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
bdf79621 371 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
19a7b4ae 372 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
f4f051eb 373 srb_t *sp;
374 int rval;
1da177e4 375
14e660e6
SJ		 376 if (unlikely(pci_channel_offline(ha->pdev))) {
377 cmd->result = DID_REQUEUE << 16;
378 goto qc_fail_command;
379 }
380
19a7b4ae
JSEC		 381 rval = fc_remote_port_chkready(rport);
382 if (rval) {
383 cmd->result = rval;
f4f051eb 384 goto qc_fail_command;
385 }
1da177e4 386
387f96b4 387 /* Close window on fcport/rport state-transitioning. */
388 if (!*(fc_port_t **)rport->dd_data) {
389 cmd->result = DID_IMM_RETRY << 16;
390 goto qc_fail_command;
391 }
392
f4f051eb 393 if (atomic_read(&fcport->state) != FCS_ONLINE) {
394 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
395 atomic_read(&ha->loop_state) == LOOP_DEAD) {
396 cmd->result = DID_NO_CONNECT << 16;
397 goto qc_fail_command;
398 }
399 goto qc_host_busy;
400 }
1da177e4
LT		 401
402 spin_unlock_irq(ha->host->host_lock);
403
fca29703
AV		 404 sp = qla2x00_get_new_sp(ha, fcport, cmd, done);
405 if (!sp)
f4f051eb 406 goto qc_host_busy_lock;
1da177e4 407
f4f051eb 408 rval = qla2x00_start_scsi(sp);
409 if (rval != QLA_SUCCESS)
410 goto qc_host_busy_free_sp;
1da177e4 411
f4f051eb 412 spin_lock_irq(ha->host->host_lock);
1da177e4 413
f4f051eb 414 return 0;
1da177e4 415
f4f051eb 416qc_host_busy_free_sp:
417 qla2x00_sp_free_dma(ha, sp);
f4f051eb 418 mempool_free(sp, ha->srb_mempool);
1da177e4 419
f4f051eb 420qc_host_busy_lock:
421 spin_lock_irq(ha->host->host_lock);
1da177e4 422
f4f051eb 423qc_host_busy:
424 return SCSI_MLQUEUE_HOST_BUSY;
1da177e4 425
f4f051eb 426qc_fail_command:
427 done(cmd);
1da177e4 428
f4f051eb 429 return 0;
1da177e4
LT		 430}
431
fca29703
AV		 432
433static int
434qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
435{
f363b943 436 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
fca29703 437 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
19a7b4ae 438 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
fca29703
AV		 439 srb_t *sp;
440 int rval;
2c3dfe3f 441 scsi_qla_host_t *pha = to_qla_parent(ha);
fca29703 442
14e660e6
SJ		 443 if (unlikely(pci_channel_offline(ha->pdev))) {
444 cmd->result = DID_REQUEUE << 16;
445 goto qc24_fail_command;
446 }
447
19a7b4ae
JSEC		 448 rval = fc_remote_port_chkready(rport);
449 if (rval) {
450 cmd->result = rval;
fca29703
AV		 451 goto qc24_fail_command;
452 }
453
387f96b4 454 /* Close window on fcport/rport state-transitioning. */
455 if (!*(fc_port_t **)rport->dd_data) {
456 cmd->result = DID_IMM_RETRY << 16;
457 goto qc24_fail_command;
458 }
459
fca29703
AV		 460 if (atomic_read(&fcport->state) != FCS_ONLINE) {
461 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
2c3dfe3f 462 atomic_read(&pha->loop_state) == LOOP_DEAD) {
fca29703
AV		 463 cmd->result = DID_NO_CONNECT << 16;
464 goto qc24_fail_command;
465 }
466 goto qc24_host_busy;
467 }
468
469 spin_unlock_irq(ha->host->host_lock);
470
2c3dfe3f 471 sp = qla2x00_get_new_sp(pha, fcport, cmd, done);
fca29703
AV		 472 if (!sp)
473 goto qc24_host_busy_lock;
474
475 rval = qla24xx_start_scsi(sp);
476 if (rval != QLA_SUCCESS)
477 goto qc24_host_busy_free_sp;
478
479 spin_lock_irq(ha->host->host_lock);
480
481 return 0;
482
483qc24_host_busy_free_sp:
2c3dfe3f
SJ		 484 qla2x00_sp_free_dma(pha, sp);
485 mempool_free(sp, pha->srb_mempool);
fca29703
AV		 486
487qc24_host_busy_lock:
488 spin_lock_irq(ha->host->host_lock);
489
490qc24_host_busy:
491 return SCSI_MLQUEUE_HOST_BUSY;
492
493qc24_fail_command:
494 done(cmd);
495
496 return 0;
497}
498
499
1da177e4
LT		 500/*
501 * qla2x00_eh_wait_on_command
502 * Waits for the command to be returned by the Firmware for some
503 * max time.
504 *
505 * Input:
506 * ha = actual ha whose done queue will contain the command
507 * returned by firmware.
508 * cmd = Scsi Command to wait on.
509 * flag = Abort/Reset(Bus or Device Reset)
510 *
511 * Return:
512 * Not Found : 0
513 * Found : 1
514 */
515static int
516qla2x00_eh_wait_on_command(scsi_qla_host_t *ha, struct scsi_cmnd *cmd)
517{
fe74c71f
AV		 518#define ABORT_POLLING_PERIOD 1000
519#define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
f4f051eb 520 unsigned long wait_iter = ABORT_WAIT_ITER;
521 int ret = QLA_SUCCESS;
1da177e4 522
f4f051eb 523 while (CMD_SP(cmd)) {
fe74c71f 524 msleep(ABORT_POLLING_PERIOD);
1da177e4 525
f4f051eb 526 if (--wait_iter)
527 break;
528 }
529 if (CMD_SP(cmd))
530 ret = QLA_FUNCTION_FAILED;
1da177e4 531
f4f051eb 532 return ret;
1da177e4
LT		 533}
534
535/*
536 * qla2x00_wait_for_hba_online
fa2a1ce5 537 * Wait till the HBA is online after going through
1da177e4
LT		 538 * <= MAX_RETRIES_OF_ISP_ABORT or
539 * finally HBA is disabled ie marked offline
540 *
541 * Input:
542 * ha - pointer to host adapter structure
fa2a1ce5
AV		 543 *
544 * Note:
1da177e4
LT		 545 * Does context switching-Release SPIN_LOCK
546 * (if any) before calling this routine.
547 *
548 * Return:
549 * Success (Adapter is online) : 0
550 * Failed (Adapter is offline/disabled) : 1
551 */
854165f4 552int
1da177e4
LT		 553qla2x00_wait_for_hba_online(scsi_qla_host_t *ha)
554{
fca29703
AV		 555 int return_status;
556 unsigned long wait_online;
2c3dfe3f 557 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4 558
fa2a1ce5 559 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
2c3dfe3f
SJ		 560 while (((test_bit(ISP_ABORT_NEEDED, &pha->dpc_flags)) ||
561 test_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags) ||
562 test_bit(ISP_ABORT_RETRY, &pha->dpc_flags) ||
563 pha->dpc_active) && time_before(jiffies, wait_online)) {
1da177e4
LT		 564
565 msleep(1000);
566 }
2c3dfe3f 567 if (pha->flags.online)
fa2a1ce5 568 return_status = QLA_SUCCESS;
1da177e4
LT		 569 else
570 return_status = QLA_FUNCTION_FAILED;
571
1da177e4
LT		 572 return (return_status);
573}
574
575/*
576 * qla2x00_wait_for_loop_ready
577 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
fa2a1ce5 578 * to be in LOOP_READY state.
1da177e4
LT		 579 * Input:
580 * ha - pointer to host adapter structure
fa2a1ce5
AV		 581 *
582 * Note:
1da177e4
LT		 583 * Does context switching-Release SPIN_LOCK
584 * (if any) before calling this routine.
fa2a1ce5 585 *
1da177e4
LT		 586 *
587 * Return:
588 * Success (LOOP_READY) : 0
589 * Failed (LOOP_NOT_READY) : 1
590 */
fa2a1ce5 591static inline int
1da177e4
LT		 592qla2x00_wait_for_loop_ready(scsi_qla_host_t *ha)
593{
594 int return_status = QLA_SUCCESS;
595 unsigned long loop_timeout ;
2c3dfe3f 596 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4
LT		 597
598 /* wait for 5 min at the max for loop to be ready */
fa2a1ce5 599 loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1da177e4 600
2c3dfe3f
SJ		 601 while ((!atomic_read(&pha->loop_down_timer) &&
602 atomic_read(&pha->loop_state) == LOOP_DOWN) ||
603 atomic_read(&pha->loop_state) != LOOP_READY) {
604 if (atomic_read(&pha->loop_state) == LOOP_DEAD) {
57680080
RA		 605 return_status = QLA_FUNCTION_FAILED;
606 break;
607 }
1da177e4
LT		 608 msleep(1000);
609 if (time_after_eq(jiffies, loop_timeout)) {
610 return_status = QLA_FUNCTION_FAILED;
611 break;
612 }
613 }
fa2a1ce5 614 return (return_status);
1da177e4
LT		 615}
616
07db5183
AV		 617static void
618qla2x00_block_error_handler(struct scsi_cmnd *cmnd)
619{
620 struct Scsi_Host *shost = cmnd->device->host;
621 struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device));
622 unsigned long flags;
623
624 spin_lock_irqsave(shost->host_lock, flags);
625 while (rport->port_state == FC_PORTSTATE_BLOCKED) {
626 spin_unlock_irqrestore(shost->host_lock, flags);
627 msleep(1000);
628 spin_lock_irqsave(shost->host_lock, flags);
629 }
630 spin_unlock_irqrestore(shost->host_lock, flags);
631 return;
632}
633
1da177e4
LT		 634/**************************************************************************
635* qla2xxx_eh_abort
636*
637* Description:
638* The abort function will abort the specified command.
639*
640* Input:
641* cmd = Linux SCSI command packet to be aborted.
642*
643* Returns:
644* Either SUCCESS or FAILED.
645*
646* Note:
2ea00202 647* Only return FAILED if command not returned by firmware.
1da177e4 648**************************************************************************/
e5f82ab8 649static int
1da177e4
LT		 650qla2xxx_eh_abort(struct scsi_cmnd *cmd)
651{
f363b943 652 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
f4f051eb 653 srb_t *sp;
654 int ret, i;
655 unsigned int id, lun;
656 unsigned long serial;
18e144d3 657 unsigned long flags;
2ea00202 658 int wait = 0;
2c3dfe3f 659 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4 660
07db5183
AV		 661 qla2x00_block_error_handler(cmd);
662
f4f051eb 663 if (!CMD_SP(cmd))
2ea00202 664 return SUCCESS;
1da177e4 665
2ea00202 666 ret = SUCCESS;
1da177e4 667
f4f051eb 668 id = cmd->device->id;
669 lun = cmd->device->lun;
670 serial = cmd->serial_number;
1da177e4 671
f4f051eb 672 /* Check active list for command command. */
2c3dfe3f 673 spin_lock_irqsave(&pha->hardware_lock, flags);
f4f051eb 674 for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
2c3dfe3f 675 sp = pha->outstanding_cmds[i];
1da177e4 676
f4f051eb 677 if (sp == NULL)
678 continue;
1da177e4 679
f4f051eb 680 if (sp->cmd != cmd)
681 continue;
1da177e4 682
75bc4190
AV		 683 DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld.\n",
684 __func__, ha->host_no, sp, serial));
1da177e4 685
2c3dfe3f 686 spin_unlock_irqrestore(&pha->hardware_lock, flags);
fd34f556 687 if (ha->isp_ops->abort_command(ha, sp)) {
f4f051eb 688 DEBUG2(printk("%s(%ld): abort_command "
689 "mbx failed.\n", __func__, ha->host_no));
690 } else {
691 DEBUG3(printk("%s(%ld): abort_command "
692 "mbx success.\n", __func__, ha->host_no));
2ea00202 693 wait = 1;
f4f051eb 694 }
2c3dfe3f 695 spin_lock_irqsave(&pha->hardware_lock, flags);
1da177e4 696
f4f051eb 697 break;
698 }
2c3dfe3f 699 spin_unlock_irqrestore(&pha->hardware_lock, flags);
1da177e4 700
f4f051eb 701 /* Wait for the command to be returned. */
2ea00202 702 if (wait) {
f4f051eb 703 if (qla2x00_eh_wait_on_command(ha, cmd) != QLA_SUCCESS) {
fa2a1ce5 704 qla_printk(KERN_ERR, ha,
f4f051eb 705 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
706 "%x.\n", ha->host_no, id, lun, serial, ret);
2ea00202 707 ret = FAILED;
f4f051eb 708 }
1da177e4 709 }
1da177e4 710
fa2a1ce5 711 qla_printk(KERN_INFO, ha,
2ea00202
MR		 712 "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
713 ha->host_no, id, lun, wait, serial, ret);
1da177e4 714
f4f051eb 715 return ret;
716}
1da177e4 717
523ec773
AV		 718enum nexus_wait_type {
719 WAIT_HOST = 0,
720 WAIT_TARGET,
721 WAIT_LUN,
722};
723
f4f051eb 724static int
523ec773
AV		 725qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha, unsigned int t,
726 unsigned int l, enum nexus_wait_type type)
f4f051eb 727{
523ec773
AV		 728 int cnt, match, status;
729 srb_t *sp;
18e144d3 730 unsigned long flags;
2c3dfe3f 731 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4 732
523ec773
AV		 733 status = QLA_SUCCESS;
734 spin_lock_irqsave(&pha->hardware_lock, flags);
735 for (cnt = 1; status == QLA_SUCCESS && cnt < MAX_OUTSTANDING_COMMANDS;
736 cnt++) {
2c3dfe3f 737 sp = pha->outstanding_cmds[cnt];
523ec773
AV		 738 if (!sp)
739 continue;
740 if (ha->vp_idx != sp->ha->vp_idx)
741 continue;
742 match = 0;
743 switch (type) {
744 case WAIT_HOST:
745 match = 1;
746 break;
747 case WAIT_TARGET:
748 match = sp->cmd->device->id == t;
749 break;
750 case WAIT_LUN:
751 match = (sp->cmd->device->id == t &&
752 sp->cmd->device->lun == l);
753 break;
1da177e4 754 }
523ec773
AV		 755 if (!match)
756 continue;
757
758 spin_unlock_irqrestore(&pha->hardware_lock, flags);
759 status = qla2x00_eh_wait_on_command(ha, sp->cmd);
760 spin_lock_irqsave(&pha->hardware_lock, flags);
1da177e4 761 }
523ec773
AV		 762 spin_unlock_irqrestore(&pha->hardware_lock, flags);
763
764 return status;
1da177e4
LT		 765}
766
523ec773
AV		 767static char *reset_errors[] = {
768 "HBA not online",
769 "HBA not ready",
770 "Task management failed",
771 "Waiting for command completions",
772};
1da177e4 773
e5f82ab8 774static int
523ec773
AV		 775__qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
776 struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int))
1da177e4 777{
f363b943 778 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
bdf79621 779 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
523ec773 780 int err;
1da177e4 781
07db5183
AV		 782 qla2x00_block_error_handler(cmd);
783
b0328bee 784 if (!fcport)
523ec773 785 return FAILED;
1da177e4 786
523ec773
AV		 787 qla_printk(KERN_INFO, ha, "scsi(%ld:%d:%d): %s RESET ISSUED.\n",
788 ha->host_no, cmd->device->id, cmd->device->lun, name);
1da177e4 789
523ec773 790 err = 0;
94d0e7b8 791 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
523ec773
AV		 792 goto eh_reset_failed;
793 err = 1;
794 if (qla2x00_wait_for_loop_ready(ha) != QLA_SUCCESS)
795 goto eh_reset_failed;
796 err = 2;
797 if (do_reset(fcport, cmd->device->lun) != QLA_SUCCESS)
798 goto eh_reset_failed;
799 err = 3;
800 if (qla2x00_eh_wait_for_pending_commands(ha, cmd->device->id,
801 cmd->device->lun, type) != QLA_SUCCESS)
802 goto eh_reset_failed;
803
804 qla_printk(KERN_INFO, ha, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n",
805 ha->host_no, cmd->device->id, cmd->device->lun, name);
806
807 return SUCCESS;
808
809 eh_reset_failed:
810 qla_printk(KERN_INFO, ha, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n",
811 ha->host_no, cmd->device->id, cmd->device->lun, name,
812 reset_errors[err]);
813 return FAILED;
814}
1da177e4 815
523ec773
AV		 816static int
817qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
818{
819 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
1da177e4 820
523ec773
AV		 821 return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
822 ha->isp_ops->lun_reset);
1da177e4
LT		 823}
824
1da177e4 825static int
523ec773 826qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1da177e4 827{
523ec773 828 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
1da177e4 829
523ec773
AV		 830 return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
831 ha->isp_ops->target_reset);
1da177e4
LT		 832}
833
1da177e4
LT		 834/**************************************************************************
835* qla2xxx_eh_bus_reset
836*
837* Description:
838* The bus reset function will reset the bus and abort any executing
839* commands.
840*
841* Input:
842* cmd = Linux SCSI command packet of the command that cause the
843* bus reset.
844*
845* Returns:
846* SUCCESS/FAILURE (defined as macro in scsi.h).
847*
848**************************************************************************/
e5f82ab8 849static int
1da177e4
LT		 850qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
851{
f363b943 852 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
2c3dfe3f 853 scsi_qla_host_t *pha = to_qla_parent(ha);
bdf79621 854 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
2c3dfe3f 855 int ret = FAILED;
f4f051eb 856 unsigned int id, lun;
857 unsigned long serial;
858
07db5183
AV		 859 qla2x00_block_error_handler(cmd);
860
f4f051eb 861 id = cmd->device->id;
862 lun = cmd->device->lun;
863 serial = cmd->serial_number;
1da177e4 864
b0328bee 865 if (!fcport)
f4f051eb 866 return ret;
1da177e4
LT		 867
868 qla_printk(KERN_INFO, ha,
f4f051eb 869 "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha->host_no, id, lun);
1da177e4 870
1da177e4
LT		 871 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) {
872 DEBUG2(printk("%s failed:board disabled\n",__func__));
f4f051eb 873 goto eh_bus_reset_done;
1da177e4
LT		 874 }
875
876 if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
f4f051eb 877 if (qla2x00_loop_reset(ha) == QLA_SUCCESS)
878 ret = SUCCESS;
1da177e4 879 }
f4f051eb 880 if (ret == FAILED)
881 goto eh_bus_reset_done;
1da177e4 882
9a41a62b 883 /* Flush outstanding commands. */
523ec773
AV		 884 if (qla2x00_eh_wait_for_pending_commands(pha, 0, 0, WAIT_HOST) !=
885 QLA_SUCCESS)
9a41a62b 886 ret = FAILED;
1da177e4 887
f4f051eb 888eh_bus_reset_done:
1da177e4 889 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
f4f051eb 890 (ret == FAILED) ? "failed" : "succeded");
1da177e4 891
f4f051eb 892 return ret;
1da177e4
LT		 893}
894
895/**************************************************************************
896* qla2xxx_eh_host_reset
897*
898* Description:
899* The reset function will reset the Adapter.
900*
901* Input:
902* cmd = Linux SCSI command packet of the command that cause the
903* adapter reset.
904*
905* Returns:
906* Either SUCCESS or FAILED.
907*
908* Note:
909**************************************************************************/
e5f82ab8 910static int
1da177e4
LT		 911qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
912{
f363b943 913 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
bdf79621 914 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
2c3dfe3f 915 int ret = FAILED;
f4f051eb 916 unsigned int id, lun;
917 unsigned long serial;
2c3dfe3f 918 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4 919
07db5183
AV		 920 qla2x00_block_error_handler(cmd);
921
f4f051eb 922 id = cmd->device->id;
923 lun = cmd->device->lun;
924 serial = cmd->serial_number;
925
b0328bee 926 if (!fcport)
f4f051eb 927 return ret;
1da177e4 928
1da177e4 929 qla_printk(KERN_INFO, ha,
f4f051eb 930 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha->host_no, id, lun);
1da177e4 931
1da177e4 932 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
f4f051eb 933 goto eh_host_reset_lock;
1da177e4
LT		 934
935 /*
936 * Fixme-may be dpc thread is active and processing
fa2a1ce5 937 * loop_resync,so wait a while for it to
1da177e4
LT		 938 * be completed and then issue big hammer.Otherwise
939 * it may cause I/O failure as big hammer marks the
940 * devices as lost kicking of the port_down_timer
941 * while dpc is stuck for the mailbox to complete.
942 */
1da177e4 943 qla2x00_wait_for_loop_ready(ha);
2c3dfe3f
SJ		 944 set_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
945 if (qla2x00_abort_isp(pha)) {
946 clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
1da177e4 947 /* failed. schedule dpc to try */
2c3dfe3f 948 set_bit(ISP_ABORT_NEEDED, &pha->dpc_flags);
1da177e4
LT		 949
950 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
f4f051eb 951 goto eh_host_reset_lock;
fa2a1ce5 952 }
2c3dfe3f 953 clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
1da177e4 954
1da177e4 955 /* Waiting for our command in done_queue to be returned to OS.*/
523ec773
AV		 956 if (qla2x00_eh_wait_for_pending_commands(pha, 0, 0, WAIT_HOST) ==
957 QLA_SUCCESS)
f4f051eb 958 ret = SUCCESS;
1da177e4 959
2c3dfe3f
SJ		 960 if (ha->parent)
961 qla2x00_vp_abort_isp(ha);
962
f4f051eb 963eh_host_reset_lock:
f4f051eb 964 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
965 (ret == FAILED) ? "failed" : "succeded");
1da177e4 966
f4f051eb 967 return ret;
968}
1da177e4
LT		 969
970/*
971* qla2x00_loop_reset
972* Issue loop reset.
973*
974* Input:
975* ha = adapter block pointer.
976*
977* Returns:
978* 0 = success
979*/
a4722cf2 980int
1da177e4
LT		 981qla2x00_loop_reset(scsi_qla_host_t *ha)
982{
0c8c39af 983 int ret;
bdf79621 984 struct fc_port *fcport;
1da177e4 985
0c8c39af
AV		 986 if (ha->flags.enable_lip_full_login) {
987 ret = qla2x00_full_login_lip(ha);
988 if (ret != QLA_SUCCESS) {
989 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
990 "full_login_lip=%d.\n", __func__, ha->host_no,
991 ret));
992 }
993 atomic_set(&ha->loop_state, LOOP_DOWN);
994 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
995 qla2x00_mark_all_devices_lost(ha, 0);
996 qla2x00_wait_for_loop_ready(ha);
997 }
998
1da177e4 999 if (ha->flags.enable_lip_reset) {
0c8c39af
AV		 1000 ret = qla2x00_lip_reset(ha);
1001 if (ret != QLA_SUCCESS) {
1002 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1003 "lip_reset=%d.\n", __func__, ha->host_no, ret));
1004 }
1005 qla2x00_wait_for_loop_ready(ha);
1da177e4
LT		 1006 }
1007
0c8c39af 1008 if (ha->flags.enable_target_reset) {
bdf79621 1009 list_for_each_entry(fcport, &ha->fcports, list) {
1010 if (fcport->port_type != FCT_TARGET)
1da177e4
LT		 1011 continue;
1012
523ec773 1013 ret = ha->isp_ops->target_reset(fcport, 0);
0c8c39af
AV		 1014 if (ret != QLA_SUCCESS) {
1015 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1016 "target_reset=%d d_id=%x.\n", __func__,
1017 ha->host_no, ret, fcport->d_id.b24));
1018 }
1da177e4
LT		 1019 }
1020 }
1021
1da177e4
LT		 1022 /* Issue marker command only when we are going to start the I/O */
1023 ha->marker_needed = 1;
1024
0c8c39af 1025 return QLA_SUCCESS;
1da177e4
LT		 1026}
1027
df4bf0bb
AV		 1028void
1029qla2x00_abort_all_cmds(scsi_qla_host_t *ha, int res)
1030{
1031 int cnt;
1032 unsigned long flags;
1033 srb_t *sp;
1034
1035 spin_lock_irqsave(&ha->hardware_lock, flags);
1036 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1037 sp = ha->outstanding_cmds[cnt];
1038 if (sp) {
1039 ha->outstanding_cmds[cnt] = NULL;
1040 sp->flags = 0;
1041 sp->cmd->result = res;
1042 sp->cmd->host_scribble = (unsigned char *)NULL;
1043 qla2x00_sp_compl(ha, sp);
1044 }
1045 }
1046 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1047}
1048
f4f051eb 1049static int
1050qla2xxx_slave_alloc(struct scsi_device *sdev)
1da177e4 1051{
bdf79621 1052 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1da177e4 1053
19a7b4ae 1054 if (!rport || fc_remote_port_chkready(rport))
f4f051eb 1055 return -ENXIO;
bdf79621 1056
19a7b4ae 1057 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1da177e4 1058
f4f051eb 1059 return 0;
1060}
1da177e4 1061
f4f051eb 1062static int
1063qla2xxx_slave_configure(struct scsi_device *sdev)
1064{
f363b943 1065 scsi_qla_host_t *ha = shost_priv(sdev->host);
8482e118 1066 struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1067
f4f051eb 1068 if (sdev->tagged_supported)
df7baa50 1069 scsi_activate_tcq(sdev, ha->max_q_depth);
f4f051eb 1070 else
df7baa50 1071 scsi_deactivate_tcq(sdev, ha->max_q_depth);
1da177e4 1072
8482e118 1073 rport->dev_loss_tmo = ha->port_down_retry_count + 5;
1074
f4f051eb 1075 return 0;
1076}
1da177e4 1077
f4f051eb 1078static void
1079qla2xxx_slave_destroy(struct scsi_device *sdev)
1080{
1081 sdev->hostdata = NULL;
1da177e4
LT		 1082}
1083
ce7e4af7
AV		 1084static int
1085qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
1086{
1087 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1088 return sdev->queue_depth;
1089}
1090
1091static int
1092qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1093{
1094 if (sdev->tagged_supported) {
1095 scsi_set_tag_type(sdev, tag_type);
1096 if (tag_type)
1097 scsi_activate_tcq(sdev, sdev->queue_depth);
1098 else
1099 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1100 } else
1101 tag_type = 0;
1102
1103 return tag_type;
1104}
1105
1da177e4
LT		 1106/**
1107 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1108 * @ha: HA context
1109 *
1110 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1111 * supported addressing method.
1112 */
1113static void
1114qla2x00_config_dma_addressing(scsi_qla_host_t *ha)
1115{
7524f9b9 1116 /* Assume a 32bit DMA mask. */
1da177e4 1117 ha->flags.enable_64bit_addressing = 0;
1da177e4 1118
7524f9b9
AV		 1119 if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) {
1120 /* Any upper-dword bits set? */
1121 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1122 !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) {
1123 /* Ok, a 64bit DMA mask is applicable. */
1da177e4 1124 ha->flags.enable_64bit_addressing = 1;
fd34f556
AV		 1125 ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1126 ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
7524f9b9 1127 return;
1da177e4 1128 }
1da177e4 1129 }
7524f9b9
AV		 1130
1131 dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK);
1132 pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK);
1da177e4
LT		 1133}
1134
fd34f556
AV		 1135static void
1136qla2x00_enable_intrs(scsi_qla_host_t *ha)
1137{
1138 unsigned long flags = 0;
1139 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1140
1141 spin_lock_irqsave(&ha->hardware_lock, flags);
1142 ha->interrupts_on = 1;
1143 /* enable risc and host interrupts */
1144 WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1145 RD_REG_WORD(&reg->ictrl);
1146 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1147
1148}
1149
1150static void
1151qla2x00_disable_intrs(scsi_qla_host_t *ha)
1152{
1153 unsigned long flags = 0;
1154 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1155
1156 spin_lock_irqsave(&ha->hardware_lock, flags);
1157 ha->interrupts_on = 0;
1158 /* disable risc and host interrupts */
1159 WRT_REG_WORD(&reg->ictrl, 0);
1160 RD_REG_WORD(&reg->ictrl);
1161 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1162}
1163
1164static void
1165qla24xx_enable_intrs(scsi_qla_host_t *ha)
1166{
1167 unsigned long flags = 0;
1168 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1169
1170 spin_lock_irqsave(&ha->hardware_lock, flags);
1171 ha->interrupts_on = 1;
1172 WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1173 RD_REG_DWORD(&reg->ictrl);
1174 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1175}
1176
1177static void
1178qla24xx_disable_intrs(scsi_qla_host_t *ha)
1179{
1180 unsigned long flags = 0;
1181 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1182
1183 spin_lock_irqsave(&ha->hardware_lock, flags);
1184 ha->interrupts_on = 0;
1185 WRT_REG_DWORD(&reg->ictrl, 0);
1186 RD_REG_DWORD(&reg->ictrl);
1187 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1188}
1189
1190static struct isp_operations qla2100_isp_ops = {
1191 .pci_config = qla2100_pci_config,
1192 .reset_chip = qla2x00_reset_chip,
1193 .chip_diag = qla2x00_chip_diag,
1194 .config_rings = qla2x00_config_rings,
1195 .reset_adapter = qla2x00_reset_adapter,
1196 .nvram_config = qla2x00_nvram_config,
1197 .update_fw_options = qla2x00_update_fw_options,
1198 .load_risc = qla2x00_load_risc,
1199 .pci_info_str = qla2x00_pci_info_str,
1200 .fw_version_str = qla2x00_fw_version_str,
1201 .intr_handler = qla2100_intr_handler,
1202 .enable_intrs = qla2x00_enable_intrs,
1203 .disable_intrs = qla2x00_disable_intrs,
1204 .abort_command = qla2x00_abort_command,
523ec773
AV		 1205 .target_reset = qla2x00_abort_target,
1206 .lun_reset = qla2x00_lun_reset,
fd34f556
AV		 1207 .fabric_login = qla2x00_login_fabric,
1208 .fabric_logout = qla2x00_fabric_logout,
1209 .calc_req_entries = qla2x00_calc_iocbs_32,
1210 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1211 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1212 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1213 .read_nvram = qla2x00_read_nvram_data,
1214 .write_nvram = qla2x00_write_nvram_data,
1215 .fw_dump = qla2100_fw_dump,
1216 .beacon_on = NULL,
1217 .beacon_off = NULL,
1218 .beacon_blink = NULL,
1219 .read_optrom = qla2x00_read_optrom_data,
1220 .write_optrom = qla2x00_write_optrom_data,
1221 .get_flash_version = qla2x00_get_flash_version,
1222};
1223
1224static struct isp_operations qla2300_isp_ops = {
1225 .pci_config = qla2300_pci_config,
1226 .reset_chip = qla2x00_reset_chip,
1227 .chip_diag = qla2x00_chip_diag,
1228 .config_rings = qla2x00_config_rings,
1229 .reset_adapter = qla2x00_reset_adapter,
1230 .nvram_config = qla2x00_nvram_config,
1231 .update_fw_options = qla2x00_update_fw_options,
1232 .load_risc = qla2x00_load_risc,
1233 .pci_info_str = qla2x00_pci_info_str,
1234 .fw_version_str = qla2x00_fw_version_str,
1235 .intr_handler = qla2300_intr_handler,
1236 .enable_intrs = qla2x00_enable_intrs,
1237 .disable_intrs = qla2x00_disable_intrs,
1238 .abort_command = qla2x00_abort_command,
523ec773
AV		 1239 .target_reset = qla2x00_abort_target,
1240 .lun_reset = qla2x00_lun_reset,
fd34f556
AV		 1241 .fabric_login = qla2x00_login_fabric,
1242 .fabric_logout = qla2x00_fabric_logout,
1243 .calc_req_entries = qla2x00_calc_iocbs_32,
1244 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1245 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1246 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1247 .read_nvram = qla2x00_read_nvram_data,
1248 .write_nvram = qla2x00_write_nvram_data,
1249 .fw_dump = qla2300_fw_dump,
1250 .beacon_on = qla2x00_beacon_on,
1251 .beacon_off = qla2x00_beacon_off,
1252 .beacon_blink = qla2x00_beacon_blink,
1253 .read_optrom = qla2x00_read_optrom_data,
1254 .write_optrom = qla2x00_write_optrom_data,
1255 .get_flash_version = qla2x00_get_flash_version,
1256};
1257
1258static struct isp_operations qla24xx_isp_ops = {
1259 .pci_config = qla24xx_pci_config,
1260 .reset_chip = qla24xx_reset_chip,
1261 .chip_diag = qla24xx_chip_diag,
1262 .config_rings = qla24xx_config_rings,
1263 .reset_adapter = qla24xx_reset_adapter,
1264 .nvram_config = qla24xx_nvram_config,
1265 .update_fw_options = qla24xx_update_fw_options,
1266 .load_risc = qla24xx_load_risc,
1267 .pci_info_str = qla24xx_pci_info_str,
1268 .fw_version_str = qla24xx_fw_version_str,
1269 .intr_handler = qla24xx_intr_handler,
1270 .enable_intrs = qla24xx_enable_intrs,
1271 .disable_intrs = qla24xx_disable_intrs,
1272 .abort_command = qla24xx_abort_command,
523ec773
AV		 1273 .target_reset = qla24xx_abort_target,
1274 .lun_reset = qla24xx_lun_reset,
fd34f556
AV		 1275 .fabric_login = qla24xx_login_fabric,
1276 .fabric_logout = qla24xx_fabric_logout,
1277 .calc_req_entries = NULL,
1278 .build_iocbs = NULL,
1279 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1280 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1281 .read_nvram = qla24xx_read_nvram_data,
1282 .write_nvram = qla24xx_write_nvram_data,
1283 .fw_dump = qla24xx_fw_dump,
1284 .beacon_on = qla24xx_beacon_on,
1285 .beacon_off = qla24xx_beacon_off,
1286 .beacon_blink = qla24xx_beacon_blink,
1287 .read_optrom = qla24xx_read_optrom_data,
1288 .write_optrom = qla24xx_write_optrom_data,
1289 .get_flash_version = qla24xx_get_flash_version,
1290};
1291
c3a2f0df
AV		 1292static struct isp_operations qla25xx_isp_ops = {
1293 .pci_config = qla25xx_pci_config,
1294 .reset_chip = qla24xx_reset_chip,
1295 .chip_diag = qla24xx_chip_diag,
1296 .config_rings = qla24xx_config_rings,
1297 .reset_adapter = qla24xx_reset_adapter,
1298 .nvram_config = qla24xx_nvram_config,
1299 .update_fw_options = qla24xx_update_fw_options,
1300 .load_risc = qla24xx_load_risc,
1301 .pci_info_str = qla24xx_pci_info_str,
1302 .fw_version_str = qla24xx_fw_version_str,
1303 .intr_handler = qla24xx_intr_handler,
1304 .enable_intrs = qla24xx_enable_intrs,
1305 .disable_intrs = qla24xx_disable_intrs,
1306 .abort_command = qla24xx_abort_command,
523ec773
AV		 1307 .target_reset = qla24xx_abort_target,
1308 .lun_reset = qla24xx_lun_reset,
c3a2f0df
AV		 1309 .fabric_login = qla24xx_login_fabric,
1310 .fabric_logout = qla24xx_fabric_logout,
1311 .calc_req_entries = NULL,
1312 .build_iocbs = NULL,
1313 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1314 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1315 .read_nvram = qla25xx_read_nvram_data,
1316 .write_nvram = qla25xx_write_nvram_data,
1317 .fw_dump = qla25xx_fw_dump,
1318 .beacon_on = qla24xx_beacon_on,
1319 .beacon_off = qla24xx_beacon_off,
1320 .beacon_blink = qla24xx_beacon_blink,
338c9161 1321 .read_optrom = qla25xx_read_optrom_data,
c3a2f0df
AV		 1322 .write_optrom = qla24xx_write_optrom_data,
1323 .get_flash_version = qla24xx_get_flash_version,
1324};
1325
ea5b6382 1326static inline void
1327qla2x00_set_isp_flags(scsi_qla_host_t *ha)
1328{
1329 ha->device_type = DT_EXTENDED_IDS;
1330 switch (ha->pdev->device) {
1331 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1332 ha->device_type |= DT_ISP2100;
1333 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1334 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382 1335 break;
1336 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1337 ha->device_type |= DT_ISP2200;
1338 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1339 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382 1340 break;
1341 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1342 ha->device_type |= DT_ISP2300;
4a59f71d 1343 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1344 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1345 break;
1346 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1347 ha->device_type |= DT_ISP2312;
4a59f71d 1348 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1349 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1350 break;
1351 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1352 ha->device_type |= DT_ISP2322;
4a59f71d 1353 ha->device_type |= DT_ZIO_SUPPORTED;
ea5b6382 1354 if (ha->pdev->subsystem_vendor == 0x1028 &&
1355 ha->pdev->subsystem_device == 0x0170)
1356 ha->device_type |= DT_OEM_001;
441d1072 1357 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1358 break;
1359 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1360 ha->device_type |= DT_ISP6312;
441d1072 1361 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1362 break;
1363 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1364 ha->device_type |= DT_ISP6322;
441d1072 1365 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1366 break;
1367 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1368 ha->device_type |= DT_ISP2422;
4a59f71d 1369 ha->device_type |= DT_ZIO_SUPPORTED;
e428924c 1370 ha->device_type |= DT_FWI2;
c76f2c01 1371 ha->device_type |= DT_IIDMA;
441d1072 1372 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1373 break;
1374 case PCI_DEVICE_ID_QLOGIC_ISP2432:
1375 ha->device_type |= DT_ISP2432;
4a59f71d 1376 ha->device_type |= DT_ZIO_SUPPORTED;
e428924c 1377 ha->device_type |= DT_FWI2;
c76f2c01 1378 ha->device_type |= DT_IIDMA;
441d1072 1379 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1380 break;
044cc6c8 1381 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1382 ha->device_type |= DT_ISP5422;
e428924c 1383 ha->device_type |= DT_FWI2;
441d1072 1384 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1385 break;
044cc6c8 1386 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1387 ha->device_type |= DT_ISP5432;
e428924c 1388 ha->device_type |= DT_FWI2;
441d1072 1389 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1390 break;
c3a2f0df
AV		 1391 case PCI_DEVICE_ID_QLOGIC_ISP2532:
1392 ha->device_type |= DT_ISP2532;
1393 ha->device_type |= DT_ZIO_SUPPORTED;
1394 ha->device_type |= DT_FWI2;
1395 ha->device_type |= DT_IIDMA;
441d1072 1396 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1397 break;
1398 }
1399}
1400
1da177e4
LT		 1401static int
1402qla2x00_iospace_config(scsi_qla_host_t *ha)
1403{
3776541d 1404 resource_size_t pio;
1da177e4 1405
285d0321
AV		 1406 if (pci_request_selected_regions(ha->pdev, ha->bars,
1407 QLA2XXX_DRIVER_NAME)) {
1408 qla_printk(KERN_WARNING, ha,
1409 "Failed to reserve PIO/MMIO regions (%s)\n",
1410 pci_name(ha->pdev));
1411
1412 goto iospace_error_exit;
1413 }
1414 if (!(ha->bars & 1))
1415 goto skip_pio;
1416
1da177e4
LT		 1417 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1418 pio = pci_resource_start(ha->pdev, 0);
3776541d
AV		 1419 if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1420 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1da177e4
LT		 1421 qla_printk(KERN_WARNING, ha,
1422 "Invalid PCI I/O region size (%s)...\n",
1423 pci_name(ha->pdev));
1424 pio = 0;
1425 }
1426 } else {
1427 qla_printk(KERN_WARNING, ha,
1428 "region #0 not a PIO resource (%s)...\n",
1429 pci_name(ha->pdev));
1430 pio = 0;
1431 }
285d0321 1432 ha->pio_address = pio;
1da177e4 1433
285d0321 1434skip_pio:
1da177e4 1435 /* Use MMIO operations for all accesses. */
3776541d 1436 if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1da177e4 1437 qla_printk(KERN_ERR, ha,
3776541d 1438 "region #1 not an MMIO resource (%s), aborting\n",
1da177e4
LT		 1439 pci_name(ha->pdev));
1440 goto iospace_error_exit;
1441 }
3776541d 1442 if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1da177e4
LT		 1443 qla_printk(KERN_ERR, ha,
1444 "Invalid PCI mem region size (%s), aborting\n",
1445 pci_name(ha->pdev));
1446 goto iospace_error_exit;
1447 }
1448
3776541d 1449 ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1da177e4
LT		 1450 if (!ha->iobase) {
1451 qla_printk(KERN_ERR, ha,
1452 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1453
1454 goto iospace_error_exit;
1455 }
1456
1457 return (0);
1458
1459iospace_error_exit:
1460 return (-ENOMEM);
1461}
1462
1e99e33a
AV		 1463static void
1464qla2xxx_scan_start(struct Scsi_Host *shost)
1465{
f363b943 1466 scsi_qla_host_t *ha = shost_priv(shost);
1e99e33a
AV		 1467
1468 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
1469 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1470 set_bit(RSCN_UPDATE, &ha->dpc_flags);
1471}
1472
1473static int
1474qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1475{
f363b943 1476 scsi_qla_host_t *ha = shost_priv(shost);
1e99e33a
AV		 1477
1478 if (!ha->host)
1479 return 1;
1480 if (time > ha->loop_reset_delay * HZ)
1481 return 1;
1482
1483 return atomic_read(&ha->loop_state) == LOOP_READY;
1484}
1485
1da177e4
LT		 1486/*
1487 * PCI driver interface
1488 */
7ee61397
AV		 1489static int __devinit
1490qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1da177e4 1491{
a1541d5a 1492 int ret = -ENODEV;
1da177e4
LT		 1493 struct Scsi_Host *host;
1494 scsi_qla_host_t *ha;
29856e28 1495 char pci_info[30];
1da177e4 1496 char fw_str[30];
5433383e 1497 struct scsi_host_template *sht;
09483916 1498 int bars, mem_only = 0;
1da177e4 1499
285d0321 1500 bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
5433383e
AV		 1501 sht = &qla2x00_driver_template;
1502 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
8bc69e7d
AV		 1503 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
1504 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
c3a2f0df 1505 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
285d0321
AV		 1506 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532) {
1507 bars = pci_select_bars(pdev, IORESOURCE_MEM);
5433383e 1508 sht = &qla24xx_driver_template;
09483916 1509 mem_only = 1;
285d0321
AV		 1510 }
1511
09483916
BH		 1512 if (mem_only) {
1513 if (pci_enable_device_mem(pdev))
1514 goto probe_out;
1515 } else {
1516 if (pci_enable_device(pdev))
1517 goto probe_out;
1518 }
285d0321
AV		 1519
1520 if (pci_find_aer_capability(pdev))
1521 if (pci_enable_pcie_error_reporting(pdev))
1522 goto probe_out;
1523
5433383e 1524 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
1da177e4
LT		 1525 if (host == NULL) {
1526 printk(KERN_WARNING
1527 "qla2xxx: Couldn't allocate host from scsi layer!\n");
1528 goto probe_disable_device;
1529 }
1530
1531 /* Clear our data area */
f363b943 1532 ha = shost_priv(host);
1da177e4
LT		 1533 memset(ha, 0, sizeof(scsi_qla_host_t));
1534
1535 ha->pdev = pdev;
1536 ha->host = host;
1537 ha->host_no = host->host_no;
cb63067a 1538 sprintf(ha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, ha->host_no);
2c3dfe3f 1539 ha->parent = NULL;
285d0321 1540 ha->bars = bars;
09483916 1541 ha->mem_only = mem_only;
df4bf0bb 1542 spin_lock_init(&ha->hardware_lock);
1da177e4 1543
ea5b6382 1544 /* Set ISP-type information. */
1545 qla2x00_set_isp_flags(ha);
1546
1da177e4
LT		 1547 /* Configure PCI I/O space */
1548 ret = qla2x00_iospace_config(ha);
a1541d5a
AV		 1549 if (ret)
1550 goto probe_failed;
1da177e4 1551
1da177e4 1552 qla_printk(KERN_INFO, ha,
5433383e
AV		 1553 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1554 ha->iobase);
1da177e4 1555
1da177e4 1556 ha->prev_topology = 0;
fca29703 1557 ha->init_cb_size = sizeof(init_cb_t);
2c3dfe3f 1558 ha->mgmt_svr_loop_id = MANAGEMENT_SERVER + ha->vp_idx;
d8b45213 1559 ha->link_data_rate = PORT_SPEED_UNKNOWN;
854165f4 1560 ha->optrom_size = OPTROM_SIZE_2300;
1da177e4 1561
df7baa50
AV		 1562 ha->max_q_depth = MAX_Q_DEPTH;
1563 if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
1564 ha->max_q_depth = ql2xmaxqdepth;
1565
abbd8870 1566 /* Assign ISP specific operations. */
1da177e4 1567 if (IS_QLA2100(ha)) {
354d6b21 1568 host->max_id = MAX_TARGETS_2100;
1da177e4
LT		 1569 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
1570 ha->request_q_length = REQUEST_ENTRY_CNT_2100;
1571 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1572 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
1573 host->sg_tablesize = 32;
abbd8870 1574 ha->gid_list_info_size = 4;
fd34f556 1575 ha->isp_ops = &qla2100_isp_ops;
1da177e4 1576 } else if (IS_QLA2200(ha)) {
354d6b21 1577 host->max_id = MAX_TARGETS_2200;
1da177e4
LT		 1578 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1579 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1580 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1581 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
abbd8870 1582 ha->gid_list_info_size = 4;
fd34f556 1583 ha->isp_ops = &qla2100_isp_ops;
fca29703 1584 } else if (IS_QLA23XX(ha)) {
354d6b21 1585 host->max_id = MAX_TARGETS_2200;
1da177e4
LT		 1586 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1587 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1588 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1589 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
abbd8870 1590 ha->gid_list_info_size = 6;
854165f4 1591 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1592 ha->optrom_size = OPTROM_SIZE_2322;
fd34f556 1593 ha->isp_ops = &qla2300_isp_ops;
044cc6c8 1594 } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
fca29703
AV		 1595 host->max_id = MAX_TARGETS_2200;
1596 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1597 ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
1598 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1599 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
2c3dfe3f
SJ		 1600 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1601 ha->mgmt_svr_loop_id = 10 + ha->vp_idx;
fca29703 1602 ha->gid_list_info_size = 8;
854165f4 1603 ha->optrom_size = OPTROM_SIZE_24XX;
fd34f556 1604 ha->isp_ops = &qla24xx_isp_ops;
c3a2f0df
AV		 1605 } else if (IS_QLA25XX(ha)) {
1606 host->max_id = MAX_TARGETS_2200;
1607 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1608 ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
1609 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1610 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1611 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1612 ha->mgmt_svr_loop_id = 10 + ha->vp_idx;
1613 ha->gid_list_info_size = 8;
1614 ha->optrom_size = OPTROM_SIZE_25XX;
1615 ha->isp_ops = &qla25xx_isp_ops;
cb8dacbf
AV		 1616 ha->hw_event_start = PCI_FUNC(pdev->devfn) ?
1617 FA_HW_EVENT1_ADDR: FA_HW_EVENT0_ADDR;
1da177e4
LT		 1618 }
1619 host->can_queue = ha->request_q_length + 128;
1620
1621 /* load the F/W, read paramaters, and init the H/W */
1622 ha->instance = num_hosts;
1623
2c3dfe3f 1624 init_MUTEX(&ha->vport_sem);
0b05a1f0
MB		 1625 init_completion(&ha->mbx_cmd_comp);
1626 complete(&ha->mbx_cmd_comp);
1627 init_completion(&ha->mbx_intr_comp);
1da177e4
LT		 1628
1629 INIT_LIST_HEAD(&ha->list);
1630 INIT_LIST_HEAD(&ha->fcports);
2c3dfe3f 1631 INIT_LIST_HEAD(&ha->vp_list);
0971de7f 1632 INIT_LIST_HEAD(&ha->work_list);
2c3dfe3f
SJ		 1633
1634 set_bit(0, (unsigned long *) ha->vp_idx_map);
1da177e4 1635
1da177e4
LT		 1636 qla2x00_config_dma_addressing(ha);
1637 if (qla2x00_mem_alloc(ha)) {
1638 qla_printk(KERN_WARNING, ha,
1639 "[ERROR] Failed to allocate memory for adapter\n");
1640
a1541d5a
AV		 1641 ret = -ENOMEM;
1642 goto probe_failed;
1da177e4
LT		 1643 }
1644
765140bf 1645 if (qla2x00_initialize_adapter(ha)) {
1da177e4
LT		 1646 qla_printk(KERN_WARNING, ha,
1647 "Failed to initialize adapter\n");
1648
1649 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1650 "Adapter flags %x.\n",
1651 ha->host_no, ha->device_flags));
1652
a1541d5a 1653 ret = -ENODEV;
1da177e4
LT		 1654 goto probe_failed;
1655 }
1656
1657 /*
1658 * Startup the kernel thread for this host adapter
1659 */
39a11240
CH		 1660 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
1661 "%s_dpc", ha->host_str);
1662 if (IS_ERR(ha->dpc_thread)) {
1da177e4
LT		 1663 qla_printk(KERN_WARNING, ha,
1664 "Unable to start DPC thread!\n");
39a11240 1665 ret = PTR_ERR(ha->dpc_thread);
1da177e4
LT		 1666 goto probe_failed;
1667 }
1da177e4 1668
a1541d5a
AV		 1669 host->this_id = 255;
1670 host->cmd_per_lun = 3;
1671 host->unique_id = ha->instance;
1672 host->max_cmd_len = MAX_CMDSZ;
75bc4190 1673 host->max_channel = MAX_BUSES - 1;
a1541d5a
AV		 1674 host->max_lun = MAX_LUNS;
1675 host->transportt = qla2xxx_transport_template;
1676
a8488abe
AV		 1677 ret = qla2x00_request_irqs(ha);
1678 if (ret)
1da177e4 1679 goto probe_failed;
1da177e4
LT		 1680
1681 /* Initialized the timer */
1682 qla2x00_start_timer(ha, qla2x00_timer, WATCH_INTERVAL);
1683
1684 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
1685 ha->host_no, ha));
1686
a1541d5a 1687 pci_set_drvdata(pdev, ha);
d19044c3 1688
1da177e4 1689 ha->flags.init_done = 1;
d19044c3
AV		 1690 ha->flags.online = 1;
1691
1da177e4
LT		 1692 num_hosts++;
1693
a1541d5a
AV		 1694 ret = scsi_add_host(host, &pdev->dev);
1695 if (ret)
1696 goto probe_failed;
1697
1e99e33a
AV		 1698 scsi_scan_host(host);
1699
a1541d5a
AV		 1700 qla2x00_alloc_sysfs_attr(ha);
1701
1702 qla2x00_init_host_attr(ha);
1703
df613b96
AV		 1704 qla2x00_dfs_setup(ha);
1705
1da177e4
LT		 1706 qla_printk(KERN_INFO, ha, "\n"
1707 " QLogic Fibre Channel HBA Driver: %s\n"
1708 " QLogic %s - %s\n"
5433383e
AV		 1709 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
1710 qla2x00_version_str, ha->model_number,
1711 ha->model_desc ? ha->model_desc: "", pdev->device,
fd34f556 1712 ha->isp_ops->pci_info_str(ha, pci_info), pci_name(pdev),
5433383e 1713 ha->flags.enable_64bit_addressing ? '+': '-', ha->host_no,
fd34f556 1714 ha->isp_ops->fw_version_str(ha, fw_str));
1da177e4 1715
1da177e4
LT		 1716 return 0;
1717
1718probe_failed:
1719 qla2x00_free_device(ha);
1720
1721 scsi_host_put(host);
1722
1723probe_disable_device:
1724 pci_disable_device(pdev);
1725
a1541d5a
AV		 1726probe_out:
1727 return ret;
1da177e4 1728}
1da177e4 1729
4c993f76 1730static void
7ee61397 1731qla2x00_remove_one(struct pci_dev *pdev)
1da177e4
LT		 1732{
1733 scsi_qla_host_t *ha;
1734
1735 ha = pci_get_drvdata(pdev);
1736
df613b96
AV		 1737 qla2x00_dfs_remove(ha);
1738
8482e118 1739 qla2x00_free_sysfs_attr(ha);
1da177e4 1740
bdf79621 1741 fc_remove_host(ha->host);
1742
1da177e4
LT		 1743 scsi_remove_host(ha->host);
1744
1745 qla2x00_free_device(ha);
1746
1747 scsi_host_put(ha->host);
1748
665db93b 1749 pci_disable_device(pdev);
1da177e4
LT		 1750 pci_set_drvdata(pdev, NULL);
1751}
1da177e4
LT		 1752
1753static void
1754qla2x00_free_device(scsi_qla_host_t *ha)
1755{
df4bf0bb
AV		 1756 qla2x00_abort_all_cmds(ha, DID_NO_CONNECT << 16);
1757
1da177e4
LT		 1758 /* Disable timer */
1759 if (ha->timer_active)
1760 qla2x00_stop_timer(ha);
1761
df4bf0bb
AV		 1762 ha->flags.online = 0;
1763
1da177e4 1764 /* Kill the kernel thread for this host */
39a11240
CH		 1765 if (ha->dpc_thread) {
1766 struct task_struct *t = ha->dpc_thread;
1da177e4 1767
39a11240
CH		 1768 /*
1769 * qla2xxx_wake_dpc checks for ->dpc_thread
1770 * so we need to zero it out.
1771 */
1772 ha->dpc_thread = NULL;
1773 kthread_stop(t);
1da177e4
LT		 1774 }
1775
df613b96
AV		 1776 if (ha->flags.fce_enabled)
1777 qla2x00_disable_fce_trace(ha, NULL, NULL);
1778
a7a167bf 1779 if (ha->eft)
00b6bd25 1780 qla2x00_disable_eft_trace(ha);
a7a167bf 1781
f6ef3b18 1782 /* Stop currently executing firmware. */
18c6c127 1783 qla2x00_try_to_stop_firmware(ha);
1da177e4 1784
f6ef3b18
AV		 1785 /* turn-off interrupts on the card */
1786 if (ha->interrupts_on)
fd34f556 1787 ha->isp_ops->disable_intrs(ha);
f6ef3b18
AV		 1788
1789 qla2x00_mem_free(ha);
1da177e4 1790
a8488abe 1791 qla2x00_free_irqs(ha);
1da177e4
LT		 1792
1793 /* release io space registers */
1794 if (ha->iobase)
1795 iounmap(ha->iobase);
285d0321 1796 pci_release_selected_regions(ha->pdev, ha->bars);
1da177e4
LT		 1797}
1798
d97994dc 1799static inline void
1800qla2x00_schedule_rport_del(struct scsi_qla_host *ha, fc_port_t *fcport,
1801 int defer)
1802{
1803 unsigned long flags;
1804 struct fc_rport *rport;
1805
1806 if (!fcport->rport)
1807 return;
1808
1809 rport = fcport->rport;
1810 if (defer) {
1811 spin_lock_irqsave(&fcport->rport_lock, flags);
1812 fcport->drport = rport;
1813 fcport->rport = NULL;
387f96b4 1814 *(fc_port_t **)rport->dd_data = NULL;
d97994dc 1815 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1816 set_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags);
1817 } else {
1818 spin_lock_irqsave(&fcport->rport_lock, flags);
1819 fcport->rport = NULL;
387f96b4 1820 *(fc_port_t **)rport->dd_data = NULL;
d97994dc 1821 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1822 fc_remote_port_delete(rport);
1823 }
1824}
1825
1da177e4
LT		 1826/*
1827 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
1828 *
1829 * Input: ha = adapter block pointer. fcport = port structure pointer.
1830 *
1831 * Return: None.
1832 *
1833 * Context:
1834 */
1835void qla2x00_mark_device_lost(scsi_qla_host_t *ha, fc_port_t *fcport,
d97994dc 1836 int do_login, int defer)
1da177e4 1837{
2c3dfe3f
SJ		 1838 if (atomic_read(&fcport->state) == FCS_ONLINE &&
1839 ha->vp_idx == fcport->vp_idx)
d97994dc 1840 qla2x00_schedule_rport_del(ha, fcport, defer);
19a7b4ae 1841
fa2a1ce5 1842 /*
1da177e4
LT		 1843 * We may need to retry the login, so don't change the state of the
1844 * port but do the retries.
1845 */
1846 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
1847 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1848
1849 if (!do_login)
1850 return;
1851
1852 if (fcport->login_retry == 0) {
1853 fcport->login_retry = ha->login_retry_count;
1854 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
1855
1856 DEBUG(printk("scsi(%ld): Port login retry: "
1857 "%02x%02x%02x%02x%02x%02x%02x%02x, "
1858 "id = 0x%04x retry cnt=%d\n",
1859 ha->host_no,
1860 fcport->port_name[0],
1861 fcport->port_name[1],
1862 fcport->port_name[2],
1863 fcport->port_name[3],
1864 fcport->port_name[4],
1865 fcport->port_name[5],
1866 fcport->port_name[6],
1867 fcport->port_name[7],
1868 fcport->loop_id,
1869 fcport->login_retry));
1870 }
1871}
1872
1873/*
1874 * qla2x00_mark_all_devices_lost
1875 * Updates fcport state when device goes offline.
1876 *
1877 * Input:
1878 * ha = adapter block pointer.
1879 * fcport = port structure pointer.
1880 *
1881 * Return:
1882 * None.
1883 *
1884 * Context:
1885 */
1886void
d97994dc 1887qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha, int defer)
1da177e4
LT		 1888{
1889 fc_port_t *fcport;
2c3dfe3f 1890 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4 1891
2c3dfe3f
SJ		 1892 list_for_each_entry(fcport, &pha->fcports, list) {
1893 if (ha->vp_idx != 0 && ha->vp_idx != fcport->vp_idx)
1da177e4 1894 continue;
1da177e4
LT		 1895 /*
1896 * No point in marking the device as lost, if the device is
1897 * already DEAD.
1898 */
1899 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
1900 continue;
2c3dfe3f
SJ		 1901 if (atomic_read(&fcport->state) == FCS_ONLINE) {
1902 if (defer)
1903 qla2x00_schedule_rport_del(ha, fcport, defer);
1904 else if (ha->vp_idx == fcport->vp_idx)
1905 qla2x00_schedule_rport_del(ha, fcport, defer);
1906 }
1da177e4
LT		 1907 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1908 }
d97994dc 1909
39a11240
CH		 1910 if (defer)
1911 qla2xxx_wake_dpc(ha);
1da177e4
LT		 1912}
1913
1914/*
1915* qla2x00_mem_alloc
1916* Allocates adapter memory.
1917*
1918* Returns:
1919* 0 = success.
e8711085 1920* !0 = failure.
1da177e4 1921*/
e8711085 1922static int
1da177e4
LT		 1923qla2x00_mem_alloc(scsi_qla_host_t *ha)
1924{
1925 char name[16];
1da177e4 1926
e8711085
AV		 1927 ha->request_ring = dma_alloc_coherent(&ha->pdev->dev,
1928 (ha->request_q_length + 1) * sizeof(request_t), &ha->request_dma,
1929 GFP_KERNEL);
1930 if (!ha->request_ring)
1931 goto fail;
1932
1933 ha->response_ring = dma_alloc_coherent(&ha->pdev->dev,
1934 (ha->response_q_length + 1) * sizeof(response_t),
1935 &ha->response_dma, GFP_KERNEL);
1936 if (!ha->response_ring)
1937 goto fail_free_request_ring;
1938
1939 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
1940 &ha->gid_list_dma, GFP_KERNEL);
1941 if (!ha->gid_list)
1942 goto fail_free_response_ring;
1943
1944 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
1945 &ha->init_cb_dma, GFP_KERNEL);
1946 if (!ha->init_cb)
1947 goto fail_free_gid_list;
1948
1949 snprintf(name, sizeof(name), "%s_%ld", QLA2XXX_DRIVER_NAME,
1950 ha->host_no);
1951 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
1952 DMA_POOL_SIZE, 8, 0);
1953 if (!ha->s_dma_pool)
1954 goto fail_free_init_cb;
1da177e4 1955
e8711085
AV		 1956 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
1957 if (!ha->srb_mempool)
1958 goto fail_free_s_dma_pool;
1959
1960 /* Get memory for cached NVRAM */
1961 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
1962 if (!ha->nvram)
1963 goto fail_free_srb_mempool;
1964
1965 /* Allocate memory for SNS commands */
1966 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1967 /* Get consistent memory allocated for SNS commands */
1968 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
1969 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
1970 if (!ha->sns_cmd)
1971 goto fail_free_nvram;
1972 } else {
1973 /* Get consistent memory allocated for MS IOCB */
1974 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
1975 &ha->ms_iocb_dma);
1976 if (!ha->ms_iocb)
1977 goto fail_free_nvram;
1978
1979 /* Get consistent memory allocated for CT SNS commands */
1980 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
1981 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
1982 if (!ha->ct_sns)
1983 goto fail_free_ms_iocb;
1da177e4
LT		 1984 }
1985
e8711085
AV		 1986 return 0;
1987
1988fail_free_ms_iocb:
1989 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
1990 ha->ms_iocb = NULL;
1991 ha->ms_iocb_dma = 0;
1992fail_free_nvram:
1993 kfree(ha->nvram);
1994 ha->nvram = NULL;
1995fail_free_srb_mempool:
1996 mempool_destroy(ha->srb_mempool);
1997 ha->srb_mempool = NULL;
1998fail_free_s_dma_pool:
1999 dma_pool_destroy(ha->s_dma_pool);
2000 ha->s_dma_pool = NULL;
2001fail_free_init_cb:
2002 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
2003 ha->init_cb_dma);
2004 ha->init_cb = NULL;
2005 ha->init_cb_dma = 0;
2006fail_free_gid_list:
2007 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2008 ha->gid_list_dma);
2009 ha->gid_list = NULL;
2010 ha->gid_list_dma = 0;
2011fail_free_response_ring:
2012 dma_free_coherent(&ha->pdev->dev, (ha->response_q_length + 1) *
2013 sizeof(response_t), ha->response_ring, ha->response_dma);
2014 ha->response_ring = NULL;
2015 ha->response_dma = 0;
2016fail_free_request_ring:
2017 dma_free_coherent(&ha->pdev->dev, (ha->request_q_length + 1) *
2018 sizeof(request_t), ha->request_ring, ha->request_dma);
2019 ha->request_ring = NULL;
2020 ha->request_dma = 0;
2021fail:
2022 return -ENOMEM;
1da177e4
LT		 2023}
2024
2025/*
2026* qla2x00_mem_free
2027* Frees all adapter allocated memory.
2028*
2029* Input:
2030* ha = adapter block pointer.
2031*/
a824ebb3 2032static void
1da177e4
LT		 2033qla2x00_mem_free(scsi_qla_host_t *ha)
2034{
1da177e4
LT		 2035 struct list_head *fcpl, *fcptemp;
2036 fc_port_t *fcport;
1da177e4 2037
e8711085
AV		 2038 if (ha->srb_mempool)
2039 mempool_destroy(ha->srb_mempool);
1da177e4 2040
df613b96
AV		 2041 if (ha->fce)
2042 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
2043 ha->fce_dma);
2044
a7a167bf
AV		 2045 if (ha->fw_dump) {
2046 if (ha->eft)
2047 dma_free_coherent(&ha->pdev->dev,
2048 ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
2049 vfree(ha->fw_dump);
2050 }
2051
1da177e4
LT		 2052 if (ha->sns_cmd)
2053 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2054 ha->sns_cmd, ha->sns_cmd_dma);
2055
2056 if (ha->ct_sns)
2057 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2058 ha->ct_sns, ha->ct_sns_dma);
2059
88729e53
AV		 2060 if (ha->sfp_data)
2061 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2062
1da177e4
LT		 2063 if (ha->ms_iocb)
2064 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2065
1da177e4
LT		 2066 if (ha->s_dma_pool)
2067 dma_pool_destroy(ha->s_dma_pool);
2068
2c3dfe3f
SJ		 2069 if (ha->init_cb)
2070 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2071 ha->init_cb, ha->init_cb_dma);
2072
1da177e4
LT		 2073 if (ha->gid_list)
2074 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2075 ha->gid_list_dma);
2076
2077 if (ha->response_ring)
2078 dma_free_coherent(&ha->pdev->dev,
2079 (ha->response_q_length + 1) * sizeof(response_t),
2080 ha->response_ring, ha->response_dma);
2081
2082 if (ha->request_ring)
2083 dma_free_coherent(&ha->pdev->dev,
2084 (ha->request_q_length + 1) * sizeof(request_t),
2085 ha->request_ring, ha->request_dma);
2086
e8711085 2087 ha->srb_mempool = NULL;
a7a167bf
AV		 2088 ha->eft = NULL;
2089 ha->eft_dma = 0;
1da177e4
LT		 2090 ha->sns_cmd = NULL;
2091 ha->sns_cmd_dma = 0;
2092 ha->ct_sns = NULL;
2093 ha->ct_sns_dma = 0;
2094 ha->ms_iocb = NULL;
2095 ha->ms_iocb_dma = 0;
1da177e4
LT		 2096 ha->init_cb = NULL;
2097 ha->init_cb_dma = 0;
2098
2099 ha->s_dma_pool = NULL;
2100
1da177e4
LT		 2101 ha->gid_list = NULL;
2102 ha->gid_list_dma = 0;
2103
2104 ha->response_ring = NULL;
2105 ha->response_dma = 0;
2106 ha->request_ring = NULL;
2107 ha->request_dma = 0;
2108
2109 list_for_each_safe(fcpl, fcptemp, &ha->fcports) {
2110 fcport = list_entry(fcpl, fc_port_t, list);
2111
1da177e4
LT		 2112 /* fc ports */
2113 list_del_init(&fcport->list);
2114 kfree(fcport);
2115 }
2116 INIT_LIST_HEAD(&ha->fcports);
2117
1da177e4 2118 ha->fw_dump = NULL;
fca29703 2119 ha->fw_dumped = 0;
1da177e4 2120 ha->fw_dump_reading = 0;
854165f4 2121
2122 vfree(ha->optrom_buffer);
53772a2c 2123 kfree(ha->nvram);
1da177e4
LT		 2124}
2125
0971de7f
AV		 2126struct qla_work_evt *
2127qla2x00_alloc_work(struct scsi_qla_host *ha, enum qla_work_type type,
2128 int locked)
2129{
2130 struct qla_work_evt *e;
2131
2132 e = kzalloc(sizeof(struct qla_work_evt), locked ? GFP_ATOMIC:
2133 GFP_KERNEL);
2134 if (!e)
2135 return NULL;
2136
2137 INIT_LIST_HEAD(&e->list);
2138 e->type = type;
2139 e->flags = QLA_EVT_FLAG_FREE;
2140 return e;
2141}
2142
2143int
2144qla2x00_post_work(struct scsi_qla_host *ha, struct qla_work_evt *e, int locked)
2145{
2146 unsigned long flags;
2147
2148 if (!locked)
2149 spin_lock_irqsave(&ha->hardware_lock, flags);
2150 list_add_tail(&e->list, &ha->work_list);
2151 qla2xxx_wake_dpc(ha);
2152 if (!locked)
2153 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2154 return QLA_SUCCESS;
2155}
2156
2157int
2158qla2x00_post_aen_work(struct scsi_qla_host *ha, enum fc_host_event_code code,
2159 u32 data)
2160{
2161 struct qla_work_evt *e;
2162
2163 e = qla2x00_alloc_work(ha, QLA_EVT_AEN, 1);
2164 if (!e)
2165 return QLA_FUNCTION_FAILED;
2166
2167 e->u.aen.code = code;
2168 e->u.aen.data = data;
2169 return qla2x00_post_work(ha, e, 1);
2170}
2171
cb8dacbf
AV		 2172int
2173qla2x00_post_hwe_work(struct scsi_qla_host *ha, uint16_t code, uint16_t d1,
2174 uint16_t d2, uint16_t d3)
2175{
2176 struct qla_work_evt *e;
2177
2178 e = qla2x00_alloc_work(ha, QLA_EVT_HWE_LOG, 1);
2179 if (!e)
2180 return QLA_FUNCTION_FAILED;
2181
2182 e->u.hwe.code = code;
2183 e->u.hwe.d1 = d1;
2184 e->u.hwe.d2 = d2;
2185 e->u.hwe.d3 = d3;
2186 return qla2x00_post_work(ha, e, 1);
2187}
2188
0971de7f
AV		 2189static void
2190qla2x00_do_work(struct scsi_qla_host *ha)
2191{
2192 struct qla_work_evt *e;
2193
2194 spin_lock_irq(&ha->hardware_lock);
2195 while (!list_empty(&ha->work_list)) {
2196 e = list_entry(ha->work_list.next, struct qla_work_evt, list);
2197 list_del_init(&e->list);
2198 spin_unlock_irq(&ha->hardware_lock);
2199
2200 switch (e->type) {
2201 case QLA_EVT_AEN:
2202 fc_host_post_event(ha->host, fc_get_event_number(),
2203 e->u.aen.code, e->u.aen.data);
2204 break;
cb8dacbf
AV		 2205 case QLA_EVT_HWE_LOG:
2206 qla2xxx_hw_event_log(ha, e->u.hwe.code, e->u.hwe.d1,
2207 e->u.hwe.d2, e->u.hwe.d3);
2208 break;
0971de7f
AV		 2209 }
2210 if (e->flags & QLA_EVT_FLAG_FREE)
2211 kfree(e);
2212 spin_lock_irq(&ha->hardware_lock);
2213 }
2214 spin_unlock_irq(&ha->hardware_lock);
2215}
2216
1da177e4
LT		 2217/**************************************************************************
2218* qla2x00_do_dpc
2219* This kernel thread is a task that is schedule by the interrupt handler
2220* to perform the background processing for interrupts.
2221*
2222* Notes:
2223* This task always run in the context of a kernel thread. It
2224* is kick-off by the driver's detect code and starts up
2225* up one per adapter. It immediately goes to sleep and waits for
2226* some fibre event. When either the interrupt handler or
2227* the timer routine detects a event it will one of the task
2228* bits then wake us up.
2229**************************************************************************/
2230static int
2231qla2x00_do_dpc(void *data)
2232{
2c3dfe3f 2233 int rval;
1da177e4
LT		 2234 scsi_qla_host_t *ha;
2235 fc_port_t *fcport;
1da177e4 2236 uint8_t status;
1da177e4 2237 uint16_t next_loopid;
99363ef8
SJ		 2238 struct scsi_qla_host *vha;
2239 int i;
2240
1da177e4
LT		 2241
2242 ha = (scsi_qla_host_t *)data;
2243
1da177e4
LT		 2244 set_user_nice(current, -20);
2245
39a11240 2246 while (!kthread_should_stop()) {
1da177e4
LT		 2247 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2248
39a11240
CH		 2249 set_current_state(TASK_INTERRUPTIBLE);
2250 schedule();
2251 __set_current_state(TASK_RUNNING);
1da177e4
LT		 2252
2253 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2254
2255 /* Initialization not yet finished. Don't do anything yet. */
39a11240 2256 if (!ha->flags.init_done)
1da177e4
LT		 2257 continue;
2258
2259 DEBUG3(printk("scsi(%ld): DPC handler\n", ha->host_no));
2260
2261 ha->dpc_active = 1;
2262
1da177e4 2263 if (ha->flags.mbox_busy) {
1da177e4
LT		 2264 ha->dpc_active = 0;
2265 continue;
2266 }
2267
0971de7f
AV		 2268 qla2x00_do_work(ha);
2269
1da177e4
LT		 2270 if (test_and_clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
2271
2272 DEBUG(printk("scsi(%ld): dpc: sched "
2273 "qla2x00_abort_isp ha = %p\n",
2274 ha->host_no, ha));
2275 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
2276 &ha->dpc_flags))) {
2277
2278 if (qla2x00_abort_isp(ha)) {
2279 /* failed. retry later */
2280 set_bit(ISP_ABORT_NEEDED,
2281 &ha->dpc_flags);
2282 }
2283 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2284 }
99363ef8
SJ		 2285
2286 for_each_mapped_vp_idx(ha, i) {
2287 list_for_each_entry(vha, &ha->vp_list,
2288 vp_list) {
2289 if (i == vha->vp_idx) {
2290 set_bit(ISP_ABORT_NEEDED,
2291 &vha->dpc_flags);
2292 break;
2293 }
2294 }
2295 }
2296
1da177e4
LT		 2297 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
2298 ha->host_no));
2299 }
2300
d97994dc 2301 if (test_and_clear_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags))
2302 qla2x00_update_fcports(ha);
2303
1da177e4
LT		 2304 if (test_and_clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) &&
2305 (!(test_and_set_bit(RESET_ACTIVE, &ha->dpc_flags)))) {
2306
2307 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
2308 ha->host_no));
2309
2310 qla2x00_rst_aen(ha);
2311 clear_bit(RESET_ACTIVE, &ha->dpc_flags);
2312 }
2313
2314 /* Retry each device up to login retry count */
2315 if ((test_and_clear_bit(RELOGIN_NEEDED, &ha->dpc_flags)) &&
2316 !test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) &&
2317 atomic_read(&ha->loop_state) != LOOP_DOWN) {
2318
2319 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
2320 ha->host_no));
2321
2322 next_loopid = 0;
2323 list_for_each_entry(fcport, &ha->fcports, list) {
1da177e4
LT		 2324 /*
2325 * If the port is not ONLINE then try to login
2326 * to it if we haven't run out of retries.
2327 */
2328 if (atomic_read(&fcport->state) != FCS_ONLINE &&
2329 fcport->login_retry) {
2330
1da177e4
LT		 2331 if (fcport->flags & FCF_FABRIC_DEVICE) {
2332 if (fcport->flags &
2333 FCF_TAPE_PRESENT)
fd34f556 2334 ha->isp_ops->fabric_logout(
1c7c6357
AV		 2335 ha, fcport->loop_id,
2336 fcport->d_id.b.domain,
2337 fcport->d_id.b.area,
2338 fcport->d_id.b.al_pa);
1da177e4
LT		 2339 status = qla2x00_fabric_login(
2340 ha, fcport, &next_loopid);
2341 } else
2342 status =
2343 qla2x00_local_device_login(
9a52a57c 2344 ha, fcport);
1da177e4 2345
63a8651f 2346 fcport->login_retry--;
1da177e4
LT		 2347 if (status == QLA_SUCCESS) {
2348 fcport->old_loop_id = fcport->loop_id;
2349
2350 DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n",
2351 ha->host_no, fcport->loop_id));
fa2a1ce5 2352
052c40c8 2353 qla2x00_update_fcport(ha,
2354 fcport);
1da177e4
LT		 2355 } else if (status == 1) {
2356 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
2357 /* retry the login again */
2358 DEBUG(printk("scsi(%ld): Retrying %d login again loop_id 0x%x\n",
2359 ha->host_no,
2360 fcport->login_retry, fcport->loop_id));
2361 } else {
2362 fcport->login_retry = 0;
2363 }
63a8651f
RA		 2364 if (fcport->login_retry == 0)
2365 fcport->loop_id = FC_NO_LOOP_ID;
1da177e4
LT		 2366 }
2367 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2368 break;
2369 }
2370 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
2371 ha->host_no));
2372 }
2373
1da177e4
LT		 2374 if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
2375
2376 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
2377 ha->host_no));
2378
2379 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
2380 &ha->dpc_flags))) {
2381
2c3dfe3f 2382 rval = qla2x00_loop_resync(ha);
1da177e4
LT		 2383
2384 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
2385 }
2386
2387 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
2388 ha->host_no));
2389 }
2390
1da177e4 2391 if (!ha->interrupts_on)
fd34f556 2392 ha->isp_ops->enable_intrs(ha);
1da177e4 2393
f6df144c 2394 if (test_and_clear_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags))
fd34f556 2395 ha->isp_ops->beacon_blink(ha);
f6df144c 2396
2c3dfe3f
SJ		 2397 qla2x00_do_dpc_all_vps(ha);
2398
1da177e4
LT		 2399 ha->dpc_active = 0;
2400 } /* End of while(1) */
2401
2402 DEBUG(printk("scsi(%ld): DPC handler exiting\n", ha->host_no));
2403
2404 /*
2405 * Make sure that nobody tries to wake us up again.
2406 */
1da177e4
LT		 2407 ha->dpc_active = 0;
2408
39a11240
CH		 2409 return 0;
2410}
2411
2412void
2413qla2xxx_wake_dpc(scsi_qla_host_t *ha)
2414{
2415 if (ha->dpc_thread)
2416 wake_up_process(ha->dpc_thread);
1da177e4
LT		 2417}
2418
1da177e4
LT		 2419/*
2420* qla2x00_rst_aen
2421* Processes asynchronous reset.
2422*
2423* Input:
2424* ha = adapter block pointer.
2425*/
2426static void
fa2a1ce5 2427qla2x00_rst_aen(scsi_qla_host_t *ha)
1da177e4
LT		 2428{
2429 if (ha->flags.online && !ha->flags.reset_active &&
2430 !atomic_read(&ha->loop_down_timer) &&
2431 !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) {
2432 do {
2433 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
2434
2435 /*
2436 * Issue marker command only when we are going to start
2437 * the I/O.
2438 */
2439 ha->marker_needed = 1;
2440 } while (!atomic_read(&ha->loop_down_timer) &&
2441 (test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags)));
2442 }
2443}
2444
f4f051eb 2445static void
2446qla2x00_sp_free_dma(scsi_qla_host_t *ha, srb_t *sp)
2447{
2448 struct scsi_cmnd *cmd = sp->cmd;
2449
2450 if (sp->flags & SRB_DMA_VALID) {
385d70b4 2451 scsi_dma_unmap(cmd);
f4f051eb 2452 sp->flags &= ~SRB_DMA_VALID;
2453 }
fca29703 2454 CMD_SP(cmd) = NULL;
f4f051eb 2455}
2456
2457void
2458qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *sp)
2459{
2460 struct scsi_cmnd *cmd = sp->cmd;
2461
2462 qla2x00_sp_free_dma(ha, sp);
2463
f4f051eb 2464 mempool_free(sp, ha->srb_mempool);
2465
2466 cmd->scsi_done(cmd);
2467}
bdf79621 2468
1da177e4
LT		 2469/**************************************************************************
2470* qla2x00_timer
2471*
2472* Description:
2473* One second timer
2474*
2475* Context: Interrupt
2476***************************************************************************/
2c3dfe3f 2477void
1da177e4
LT		 2478qla2x00_timer(scsi_qla_host_t *ha)
2479{
1da177e4
LT		 2480 unsigned long cpu_flags = 0;
2481 fc_port_t *fcport;
1da177e4
LT		 2482 int start_dpc = 0;
2483 int index;
2484 srb_t *sp;
f4f051eb 2485 int t;
2c3dfe3f 2486 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4
LT		 2487
2488 /*
2489 * Ports - Port down timer.
2490 *
2491 * Whenever, a port is in the LOST state we start decrementing its port
2492 * down timer every second until it reaches zero. Once it reaches zero
fa2a1ce5 2493 * the port it marked DEAD.
1da177e4
LT		 2494 */
2495 t = 0;
2496 list_for_each_entry(fcport, &ha->fcports, list) {
2497 if (fcport->port_type != FCT_TARGET)
2498 continue;
2499
2500 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2501
2502 if (atomic_read(&fcport->port_down_timer) == 0)
2503 continue;
2504
fa2a1ce5 2505 if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
1da177e4 2506 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
fa2a1ce5 2507
1da177e4 2508 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
fca29703 2509 "%d remaining\n",
1da177e4
LT		 2510 ha->host_no,
2511 t, atomic_read(&fcport->port_down_timer)));
2512 }
2513 t++;
2514 } /* End of for fcport */
2515
1da177e4
LT		 2516
2517 /* Loop down handler. */
2518 if (atomic_read(&ha->loop_down_timer) > 0 &&
2519 !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) && ha->flags.online) {
2520
2521 if (atomic_read(&ha->loop_down_timer) ==
2522 ha->loop_down_abort_time) {
2523
2524 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2525 "queues before time expire\n",
2526 ha->host_no));
2527
2528 if (!IS_QLA2100(ha) && ha->link_down_timeout)
fa2a1ce5 2529 atomic_set(&ha->loop_state, LOOP_DEAD);
1da177e4
LT		 2530
2531 /* Schedule an ISP abort to return any tape commands. */
2c3dfe3f
SJ		 2532 /* NPIV - scan physical port only */
2533 if (!ha->parent) {
2534 spin_lock_irqsave(&ha->hardware_lock,
2535 cpu_flags);
2536 for (index = 1;
2537 index < MAX_OUTSTANDING_COMMANDS;
2538 index++) {
2539 fc_port_t *sfcp;
2540
2541 sp = ha->outstanding_cmds[index];
2542 if (!sp)
2543 continue;
2544 sfcp = sp->fcport;
2545 if (!(sfcp->flags & FCF_TAPE_PRESENT))
2546 continue;
bdf79621 2547
2c3dfe3f
SJ		 2548 set_bit(ISP_ABORT_NEEDED,
2549 &ha->dpc_flags);
2550 break;
2551 }
2552 spin_unlock_irqrestore(&ha->hardware_lock,
2553 cpu_flags);
1da177e4 2554 }
1da177e4
LT		 2555 set_bit(ABORT_QUEUES_NEEDED, &ha->dpc_flags);
2556 start_dpc++;
2557 }
2558
2559 /* if the loop has been down for 4 minutes, reinit adapter */
2560 if (atomic_dec_and_test(&ha->loop_down_timer) != 0) {
2561 DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - "
2562 "restarting queues.\n",
2563 ha->host_no));
2564
2565 set_bit(RESTART_QUEUES_NEEDED, &ha->dpc_flags);
2566 start_dpc++;
2567
2568 if (!(ha->device_flags & DFLG_NO_CABLE)) {
2569 DEBUG(printk("scsi(%ld): Loop down - "
2570 "aborting ISP.\n",
2571 ha->host_no));
2572 qla_printk(KERN_WARNING, ha,
2573 "Loop down - aborting ISP.\n");
2574
2575 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
2576 }
2577 }
fca29703 2578 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
1da177e4
LT		 2579 ha->host_no,
2580 atomic_read(&ha->loop_down_timer)));
2581 }
2582
f6df144c 2583 /* Check if beacon LED needs to be blinked */
2584 if (ha->beacon_blink_led == 1) {
2585 set_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags);
2586 start_dpc++;
2587 }
2588
1da177e4
LT		 2589 /* Schedule the DPC routine if needed */
2590 if ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) ||
2591 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) ||
d97994dc 2592 test_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags) ||
1da177e4 2593 start_dpc ||
f4f051eb 2594 test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) ||
f6df144c 2595 test_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags) ||
2c3dfe3f 2596 test_bit(VP_DPC_NEEDED, &ha->dpc_flags) ||
39a11240 2597 test_bit(RELOGIN_NEEDED, &ha->dpc_flags)))
2c3dfe3f 2598 qla2xxx_wake_dpc(pha);
1da177e4
LT		 2599
2600 qla2x00_restart_timer(ha, WATCH_INTERVAL);
2601}
2602
5433383e
AV		 2603/* Firmware interface routines. */
2604
c3a2f0df 2605#define FW_BLOBS 6
5433383e
AV		 2606#define FW_ISP21XX 0
2607#define FW_ISP22XX 1
2608#define FW_ISP2300 2
2609#define FW_ISP2322 3
48c02fde 2610#define FW_ISP24XX 4
c3a2f0df 2611#define FW_ISP25XX 5
5433383e 2612
bb8ee499
AV		 2613#define FW_FILE_ISP21XX "ql2100_fw.bin"
2614#define FW_FILE_ISP22XX "ql2200_fw.bin"
2615#define FW_FILE_ISP2300 "ql2300_fw.bin"
2616#define FW_FILE_ISP2322 "ql2322_fw.bin"
2617#define FW_FILE_ISP24XX "ql2400_fw.bin"
c3a2f0df 2618#define FW_FILE_ISP25XX "ql2500_fw.bin"
bb8ee499 2619
5433383e
AV		 2620static DECLARE_MUTEX(qla_fw_lock);
2621
2622static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
bb8ee499
AV		 2623 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
2624 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
2625 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
2626 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
2627 { .name = FW_FILE_ISP24XX, },
c3a2f0df 2628 { .name = FW_FILE_ISP25XX, },
5433383e
AV		 2629};
2630
2631struct fw_blob *
2632qla2x00_request_firmware(scsi_qla_host_t *ha)
2633{
2634 struct fw_blob *blob;
2635
2636 blob = NULL;
2637 if (IS_QLA2100(ha)) {
2638 blob = &qla_fw_blobs[FW_ISP21XX];
2639 } else if (IS_QLA2200(ha)) {
2640 blob = &qla_fw_blobs[FW_ISP22XX];
48c02fde 2641 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
5433383e 2642 blob = &qla_fw_blobs[FW_ISP2300];
48c02fde 2643 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
5433383e 2644 blob = &qla_fw_blobs[FW_ISP2322];
044cc6c8 2645 } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
5433383e 2646 blob = &qla_fw_blobs[FW_ISP24XX];
c3a2f0df
AV		 2647 } else if (IS_QLA25XX(ha)) {
2648 blob = &qla_fw_blobs[FW_ISP25XX];
5433383e
AV		 2649 }
2650
2651 down(&qla_fw_lock);
2652 if (blob->fw)
2653 goto out;
2654
2655 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
2656 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
2657 "(%s).\n", ha->host_no, blob->name));
2658 blob->fw = NULL;
2659 blob = NULL;
2660 goto out;
2661 }
2662
2663out:
2664 up(&qla_fw_lock);
2665 return blob;
2666}
2667
2668static void
2669qla2x00_release_firmware(void)
2670{
2671 int idx;
2672
2673 down(&qla_fw_lock);
2674 for (idx = 0; idx < FW_BLOBS; idx++)
2675 if (qla_fw_blobs[idx].fw)
2676 release_firmware(qla_fw_blobs[idx].fw);
2677 up(&qla_fw_lock);
2678}
2679
14e660e6
SJ		 2680static pci_ers_result_t
2681qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
2682{
2683 switch (state) {
2684 case pci_channel_io_normal:
2685 return PCI_ERS_RESULT_CAN_RECOVER;
2686 case pci_channel_io_frozen:
2687 pci_disable_device(pdev);
2688 return PCI_ERS_RESULT_NEED_RESET;
2689 case pci_channel_io_perm_failure:
2690 qla2x00_remove_one(pdev);
2691 return PCI_ERS_RESULT_DISCONNECT;
2692 }
2693 return PCI_ERS_RESULT_NEED_RESET;
2694}
2695
2696static pci_ers_result_t
2697qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
2698{
2699 int risc_paused = 0;
2700 uint32_t stat;
2701 unsigned long flags;
2702 scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2703 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2704 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
2705
2706 spin_lock_irqsave(&ha->hardware_lock, flags);
2707 if (IS_QLA2100(ha) || IS_QLA2200(ha)){
2708 stat = RD_REG_DWORD(&reg->hccr);
2709 if (stat & HCCR_RISC_PAUSE)
2710 risc_paused = 1;
2711 } else if (IS_QLA23XX(ha)) {
2712 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
2713 if (stat & HSR_RISC_PAUSED)
2714 risc_paused = 1;
2715 } else if (IS_FWI2_CAPABLE(ha)) {
2716 stat = RD_REG_DWORD(&reg24->host_status);
2717 if (stat & HSRX_RISC_PAUSED)
2718 risc_paused = 1;
2719 }
2720 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2721
2722 if (risc_paused) {
2723 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
2724 "Dumping firmware!\n");
2725 ha->isp_ops->fw_dump(ha, 0);
2726
2727 return PCI_ERS_RESULT_NEED_RESET;
2728 } else
2729 return PCI_ERS_RESULT_RECOVERED;
2730}
2731
2732static pci_ers_result_t
2733qla2xxx_pci_slot_reset(struct pci_dev *pdev)
2734{
2735 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
2736 scsi_qla_host_t *ha = pci_get_drvdata(pdev);
09483916
BH		 2737 int rc;
2738
2739 if (ha->mem_only)
2740 rc = pci_enable_device_mem(pdev);
2741 else
2742 rc = pci_enable_device(pdev);
14e660e6 2743
09483916 2744 if (rc) {
14e660e6
SJ		 2745 qla_printk(KERN_WARNING, ha,
2746 "Can't re-enable PCI device after reset.\n");
2747
2748 return ret;
2749 }
2750 pci_set_master(pdev);
2751
2752 if (ha->isp_ops->pci_config(ha))
2753 return ret;
2754
2755 set_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2756 if (qla2x00_abort_isp(ha)== QLA_SUCCESS)
2757 ret = PCI_ERS_RESULT_RECOVERED;
2758 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2759
2760 return ret;
2761}
2762
2763static void
2764qla2xxx_pci_resume(struct pci_dev *pdev)
2765{
2766 scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2767 int ret;
2768
2769 ret = qla2x00_wait_for_hba_online(ha);
2770 if (ret != QLA_SUCCESS) {
2771 qla_printk(KERN_ERR, ha,
2772 "the device failed to resume I/O "
2773 "from slot/link_reset");
2774 }
2775 pci_cleanup_aer_uncorrect_error_status(pdev);
2776}
2777
2778static struct pci_error_handlers qla2xxx_err_handler = {
2779 .error_detected = qla2xxx_pci_error_detected,
2780 .mmio_enabled = qla2xxx_pci_mmio_enabled,
2781 .slot_reset = qla2xxx_pci_slot_reset,
2782 .resume = qla2xxx_pci_resume,
2783};
2784
5433383e 2785static struct pci_device_id qla2xxx_pci_tbl[] = {
47f5e069
AV		 2786 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
2787 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
2788 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
2789 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
2790 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
2791 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
2792 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
2793 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
2794 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
2795 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
2796 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
c3a2f0df 2797 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
5433383e
AV		 2798 { 0 },
2799};
2800MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
2801
fca29703 2802static struct pci_driver qla2xxx_pci_driver = {
cb63067a 2803 .name = QLA2XXX_DRIVER_NAME,
0a21ef1e
JB		 2804 .driver = {
2805 .owner = THIS_MODULE,
2806 },
fca29703 2807 .id_table = qla2xxx_pci_tbl,
7ee61397 2808 .probe = qla2x00_probe_one,
4c993f76 2809 .remove = qla2x00_remove_one,
14e660e6 2810 .err_handler = &qla2xxx_err_handler,
fca29703
AV		 2811};
2812
1da177e4
LT		 2813/**
2814 * qla2x00_module_init - Module initialization.
2815 **/
2816static int __init
2817qla2x00_module_init(void)
2818{
fca29703
AV		 2819 int ret = 0;
2820
1da177e4 2821 /* Allocate cache for SRBs. */
354d6b21 2822 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
20c2df83 2823 SLAB_HWCACHE_ALIGN, NULL);
1da177e4
LT		 2824 if (srb_cachep == NULL) {
2825 printk(KERN_ERR
2826 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
2827 return -ENOMEM;
2828 }
2829
2830 /* Derive version string. */
2831 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
11010fec 2832 if (ql2xextended_error_logging)
0181944f
AV		 2833 strcat(qla2x00_version_str, "-debug");
2834
1c97a12a
AV		 2835 qla2xxx_transport_template =
2836 fc_attach_transport(&qla2xxx_transport_functions);
2c3dfe3f
SJ		 2837 if (!qla2xxx_transport_template) {
2838 kmem_cache_destroy(srb_cachep);
1da177e4 2839 return -ENODEV;
2c3dfe3f
SJ		 2840 }
2841 qla2xxx_transport_vport_template =
2842 fc_attach_transport(&qla2xxx_transport_vport_functions);
2843 if (!qla2xxx_transport_vport_template) {
2844 kmem_cache_destroy(srb_cachep);
2845 fc_release_transport(qla2xxx_transport_template);
1da177e4 2846 return -ENODEV;
2c3dfe3f 2847 }
1da177e4
LT		 2848
2849 printk(KERN_INFO "QLogic Fibre Channel HBA Driver\n");
7ee61397 2850 ret = pci_register_driver(&qla2xxx_pci_driver);
fca29703
AV		 2851 if (ret) {
2852 kmem_cache_destroy(srb_cachep);
2853 fc_release_transport(qla2xxx_transport_template);
2c3dfe3f 2854 fc_release_transport(qla2xxx_transport_vport_template);
fca29703
AV		 2855 }
2856 return ret;
1da177e4
LT		 2857}
2858
2859/**
2860 * qla2x00_module_exit - Module cleanup.
2861 **/
2862static void __exit
2863qla2x00_module_exit(void)
2864{
7ee61397 2865 pci_unregister_driver(&qla2xxx_pci_driver);
5433383e 2866 qla2x00_release_firmware();
354d6b21 2867 kmem_cache_destroy(srb_cachep);
1da177e4 2868 fc_release_transport(qla2xxx_transport_template);
2c3dfe3f 2869 fc_release_transport(qla2xxx_transport_vport_template);
1da177e4
LT		 2870}
2871
2872module_init(qla2x00_module_init);
2873module_exit(qla2x00_module_exit);
2874
2875MODULE_AUTHOR("QLogic Corporation");
2876MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
2877MODULE_LICENSE("GPL");
2878MODULE_VERSION(QLA2XXX_VERSION);
bb8ee499
AV		 2879MODULE_FIRMWARE(FW_FILE_ISP21XX);
2880MODULE_FIRMWARE(FW_FILE_ISP22XX);
2881MODULE_FIRMWARE(FW_FILE_ISP2300);
2882MODULE_FIRMWARE(FW_FILE_ISP2322);
2883MODULE_FIRMWARE(FW_FILE_ISP24XX);
61623fc3 2884MODULE_FIRMWARE(FW_FILE_ISP25XX);
Linux 6.x block layer and io_uring tree(s)