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[SCSI] qla2xxx: Correct rport/fcport visibility-state handling during loop-resync.
[deliverable/linux.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>
e1e82b6f 13#include <linux/mutex.h>
1da177e4
LT		 14
15#include <scsi/scsi_tcq.h>
16#include <scsi/scsicam.h>
17#include <scsi/scsi_transport.h>
18#include <scsi/scsi_transport_fc.h>
19
20/*
21 * Driver version
22 */
23char qla2x00_version_str[40];
24
25/*
26 * SRB allocation cache
27 */
e18b890b 28static struct kmem_cache *srb_cachep;
1da177e4 29
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
7e47e5ca 70int ql2xfdmienable=1;
cca5335c
AV		 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
e5896bd5
AV		 89int ql2xiidmaenable=1;
90module_param(ql2xiidmaenable, int, S_IRUGO|S_IRUSR);
91MODULE_PARM_DESC(ql2xiidmaenable,
92 "Enables iIDMA settings "
93 "Default is 1 - perform iIDMA. 0 - no iIDMA.");
94
95
1da177e4 96/*
fa2a1ce5 97 * SCSI host template entry points
1da177e4
LT		 98 */
99static int qla2xxx_slave_configure(struct scsi_device * device);
f4f051eb 100static int qla2xxx_slave_alloc(struct scsi_device *);
1e99e33a
AV		 101static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
102static void qla2xxx_scan_start(struct Scsi_Host *);
f4f051eb 103static void qla2xxx_slave_destroy(struct scsi_device *);
1da177e4
LT		 104static int qla2x00_queuecommand(struct scsi_cmnd *cmd,
105 void (*fn)(struct scsi_cmnd *));
fca29703
AV		 106static int qla24xx_queuecommand(struct scsi_cmnd *cmd,
107 void (*fn)(struct scsi_cmnd *));
1da177e4
LT		 108static int qla2xxx_eh_abort(struct scsi_cmnd *);
109static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
523ec773 110static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
1da177e4
LT		 111static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
112static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
1da177e4 113
ce7e4af7
AV		 114static int qla2x00_change_queue_depth(struct scsi_device *, int);
115static int qla2x00_change_queue_type(struct scsi_device *, int);
116
a824ebb3 117static struct scsi_host_template qla2x00_driver_template = {
1da177e4 118 .module = THIS_MODULE,
cb63067a 119 .name = QLA2XXX_DRIVER_NAME,
1da177e4
LT		 120 .queuecommand = qla2x00_queuecommand,
121
122 .eh_abort_handler = qla2xxx_eh_abort,
123 .eh_device_reset_handler = qla2xxx_eh_device_reset,
523ec773 124 .eh_target_reset_handler = qla2xxx_eh_target_reset,
1da177e4
LT		 125 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
126 .eh_host_reset_handler = qla2xxx_eh_host_reset,
127
128 .slave_configure = qla2xxx_slave_configure,
129
f4f051eb 130 .slave_alloc = qla2xxx_slave_alloc,
131 .slave_destroy = qla2xxx_slave_destroy,
1e99e33a
AV		 132 .scan_finished = qla2xxx_scan_finished,
133 .scan_start = qla2xxx_scan_start,
ce7e4af7
AV		 134 .change_queue_depth = qla2x00_change_queue_depth,
135 .change_queue_type = qla2x00_change_queue_type,
1da177e4
LT		 136 .this_id = -1,
137 .cmd_per_lun = 3,
138 .use_clustering = ENABLE_CLUSTERING,
139 .sg_tablesize = SG_ALL,
140
141 /*
142 * The RISC allows for each command to transfer (2^32-1) bytes of data,
143 * which equates to 0x800000 sectors.
144 */
145 .max_sectors = 0xFFFF,
afb046e2 146 .shost_attrs = qla2x00_host_attrs,
1da177e4
LT		 147};
148
2c3dfe3f 149struct scsi_host_template qla24xx_driver_template = {
fca29703 150 .module = THIS_MODULE,
cb63067a 151 .name = QLA2XXX_DRIVER_NAME,
fca29703
AV		 152 .queuecommand = qla24xx_queuecommand,
153
154 .eh_abort_handler = qla2xxx_eh_abort,
155 .eh_device_reset_handler = qla2xxx_eh_device_reset,
523ec773 156 .eh_target_reset_handler = qla2xxx_eh_target_reset,
fca29703
AV		 157 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
158 .eh_host_reset_handler = qla2xxx_eh_host_reset,
159
160 .slave_configure = qla2xxx_slave_configure,
161
162 .slave_alloc = qla2xxx_slave_alloc,
163 .slave_destroy = qla2xxx_slave_destroy,
ed677086
AV		 164 .scan_finished = qla2xxx_scan_finished,
165 .scan_start = qla2xxx_scan_start,
ce7e4af7
AV		 166 .change_queue_depth = qla2x00_change_queue_depth,
167 .change_queue_type = qla2x00_change_queue_type,
fca29703
AV		 168 .this_id = -1,
169 .cmd_per_lun = 3,
170 .use_clustering = ENABLE_CLUSTERING,
171 .sg_tablesize = SG_ALL,
172
173 .max_sectors = 0xFFFF,
afb046e2 174 .shost_attrs = qla2x00_host_attrs,
fca29703
AV		 175};
176
1da177e4 177static struct scsi_transport_template *qla2xxx_transport_template = NULL;
2c3dfe3f 178struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
1da177e4 179
1da177e4
LT		 180/* TODO Convert to inlines
181 *
182 * Timer routines
183 */
1da177e4 184
2c3dfe3f 185__inline__ void
1da177e4
LT		 186qla2x00_start_timer(scsi_qla_host_t *ha, void *func, unsigned long interval)
187{
188 init_timer(&ha->timer);
189 ha->timer.expires = jiffies + interval * HZ;
190 ha->timer.data = (unsigned long)ha;
191 ha->timer.function = (void (*)(unsigned long))func;
192 add_timer(&ha->timer);
193 ha->timer_active = 1;
194}
195
196static inline void
197qla2x00_restart_timer(scsi_qla_host_t *ha, unsigned long interval)
198{
199 mod_timer(&ha->timer, jiffies + interval * HZ);
200}
201
a824ebb3 202static __inline__ void
1da177e4
LT		 203qla2x00_stop_timer(scsi_qla_host_t *ha)
204{
205 del_timer_sync(&ha->timer);
206 ha->timer_active = 0;
207}
208
1da177e4
LT		 209static int qla2x00_do_dpc(void *data);
210
211static void qla2x00_rst_aen(scsi_qla_host_t *);
212
e8711085 213static int qla2x00_mem_alloc(scsi_qla_host_t *);
a824ebb3 214static void qla2x00_mem_free(scsi_qla_host_t *ha);
f4f051eb 215static void qla2x00_sp_free_dma(scsi_qla_host_t *, srb_t *);
1da177e4 216
1da177e4
LT		 217/* -------------------------------------------------------------------------- */
218
1da177e4 219static char *
abbd8870 220qla2x00_pci_info_str(struct scsi_qla_host *ha, char *str)
1da177e4
LT		 221{
222 static char *pci_bus_modes[] = {
223 "33", "66", "100", "133",
224 };
225 uint16_t pci_bus;
226
227 strcpy(str, "PCI");
228 pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
229 if (pci_bus) {
230 strcat(str, "-X (");
231 strcat(str, pci_bus_modes[pci_bus]);
232 } else {
233 pci_bus = (ha->pci_attr & BIT_8) >> 8;
234 strcat(str, " (");
235 strcat(str, pci_bus_modes[pci_bus]);
236 }
237 strcat(str, " MHz)");
238
239 return (str);
240}
241
fca29703
AV		 242static char *
243qla24xx_pci_info_str(struct scsi_qla_host *ha, char *str)
244{
245 static char *pci_bus_modes[] = { "33", "66", "100", "133", };
246 uint32_t pci_bus;
247 int pcie_reg;
248
249 pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
250 if (pcie_reg) {
251 char lwstr[6];
252 uint16_t pcie_lstat, lspeed, lwidth;
253
254 pcie_reg += 0x12;
255 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
256 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
257 lwidth = (pcie_lstat &
258 (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
259
260 strcpy(str, "PCIe (");
261 if (lspeed == 1)
c87a0d8c 262 strcat(str, "2.5GT/s ");
c3a2f0df 263 else if (lspeed == 2)
c87a0d8c 264 strcat(str, "5.0GT/s ");
fca29703
AV		 265 else
266 strcat(str, "<unknown> ");
267 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
268 strcat(str, lwstr);
269
270 return str;
271 }
272
273 strcpy(str, "PCI");
274 pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
275 if (pci_bus == 0 || pci_bus == 8) {
276 strcat(str, " (");
277 strcat(str, pci_bus_modes[pci_bus >> 3]);
278 } else {
279 strcat(str, "-X ");
280 if (pci_bus & BIT_2)
281 strcat(str, "Mode 2");
282 else
283 strcat(str, "Mode 1");
284 strcat(str, " (");
285 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
286 }
287 strcat(str, " MHz)");
288
289 return str;
290}
291
e5f82ab8 292static char *
abbd8870 293qla2x00_fw_version_str(struct scsi_qla_host *ha, char *str)
1da177e4
LT		 294{
295 char un_str[10];
fa2a1ce5 296
1da177e4
LT		 297 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
298 ha->fw_minor_version,
299 ha->fw_subminor_version);
300
301 if (ha->fw_attributes & BIT_9) {
302 strcat(str, "FLX");
303 return (str);
304 }
305
306 switch (ha->fw_attributes & 0xFF) {
307 case 0x7:
308 strcat(str, "EF");
309 break;
310 case 0x17:
311 strcat(str, "TP");
312 break;
313 case 0x37:
314 strcat(str, "IP");
315 break;
316 case 0x77:
317 strcat(str, "VI");
318 break;
319 default:
320 sprintf(un_str, "(%x)", ha->fw_attributes);
321 strcat(str, un_str);
322 break;
323 }
324 if (ha->fw_attributes & 0x100)
325 strcat(str, "X");
326
327 return (str);
328}
329
e5f82ab8 330static char *
fca29703
AV		 331qla24xx_fw_version_str(struct scsi_qla_host *ha, char *str)
332{
f0883ac6
AV		 333 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
334 ha->fw_minor_version,
335 ha->fw_subminor_version);
336
fca29703
AV		 337 if (ha->fw_attributes & BIT_0)
338 strcat(str, "[Class 2] ");
339 if (ha->fw_attributes & BIT_1)
340 strcat(str, "[IP] ");
341 if (ha->fw_attributes & BIT_2)
342 strcat(str, "[Multi-ID] ");
c3a2f0df
AV		 343 if (ha->fw_attributes & BIT_3)
344 strcat(str, "[SB-2] ");
345 if (ha->fw_attributes & BIT_4)
346 strcat(str, "[T10 CRC] ");
347 if (ha->fw_attributes & BIT_5)
348 strcat(str, "[VI] ");
4d4df193
HK		 349 if (ha->fw_attributes & BIT_10)
350 strcat(str, "[84XX] ");
fca29703
AV		 351 if (ha->fw_attributes & BIT_13)
352 strcat(str, "[Experimental]");
353 return str;
fca29703
AV		 354}
355
356static inline srb_t *
357qla2x00_get_new_sp(scsi_qla_host_t *ha, fc_port_t *fcport,
358 struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
359{
360 srb_t *sp;
361
362 sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
363 if (!sp)
364 return sp;
365
fca29703
AV		 366 sp->ha = ha;
367 sp->fcport = fcport;
368 sp->cmd = cmd;
369 sp->flags = 0;
370 CMD_SP(cmd) = (void *)sp;
371 cmd->scsi_done = done;
372
373 return sp;
374}
375
1da177e4 376static int
f4f051eb 377qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
1da177e4 378{
f363b943 379 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
bdf79621 380 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
19a7b4ae 381 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
f4f051eb 382 srb_t *sp;
383 int rval;
1da177e4 384
14e660e6
SJ		 385 if (unlikely(pci_channel_offline(ha->pdev))) {
386 cmd->result = DID_REQUEUE << 16;
387 goto qc_fail_command;
388 }
389
19a7b4ae
JSEC		 390 rval = fc_remote_port_chkready(rport);
391 if (rval) {
392 cmd->result = rval;
f4f051eb 393 goto qc_fail_command;
394 }
1da177e4 395
387f96b4 396 /* Close window on fcport/rport state-transitioning. */
5f3a9a20 397 if (fcport->drport) {
387f96b4 398 cmd->result = DID_IMM_RETRY << 16;
399 goto qc_fail_command;
400 }
401
f4f051eb 402 if (atomic_read(&fcport->state) != FCS_ONLINE) {
403 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
404 atomic_read(&ha->loop_state) == LOOP_DEAD) {
405 cmd->result = DID_NO_CONNECT << 16;
406 goto qc_fail_command;
407 }
408 goto qc_host_busy;
409 }
1da177e4
LT		 410
411 spin_unlock_irq(ha->host->host_lock);
412
fca29703
AV		 413 sp = qla2x00_get_new_sp(ha, fcport, cmd, done);
414 if (!sp)
f4f051eb 415 goto qc_host_busy_lock;
1da177e4 416
f4f051eb 417 rval = qla2x00_start_scsi(sp);
418 if (rval != QLA_SUCCESS)
419 goto qc_host_busy_free_sp;
1da177e4 420
f4f051eb 421 spin_lock_irq(ha->host->host_lock);
1da177e4 422
f4f051eb 423 return 0;
1da177e4 424
f4f051eb 425qc_host_busy_free_sp:
426 qla2x00_sp_free_dma(ha, sp);
f4f051eb 427 mempool_free(sp, ha->srb_mempool);
1da177e4 428
f4f051eb 429qc_host_busy_lock:
430 spin_lock_irq(ha->host->host_lock);
1da177e4 431
f4f051eb 432qc_host_busy:
433 return SCSI_MLQUEUE_HOST_BUSY;
1da177e4 434
f4f051eb 435qc_fail_command:
436 done(cmd);
1da177e4 437
f4f051eb 438 return 0;
1da177e4
LT		 439}
440
fca29703
AV		 441
442static int
443qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
444{
f363b943 445 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
fca29703 446 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
19a7b4ae 447 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
fca29703
AV		 448 srb_t *sp;
449 int rval;
2c3dfe3f 450 scsi_qla_host_t *pha = to_qla_parent(ha);
fca29703 451
14e660e6
SJ		 452 if (unlikely(pci_channel_offline(ha->pdev))) {
453 cmd->result = DID_REQUEUE << 16;
454 goto qc24_fail_command;
455 }
456
19a7b4ae
JSEC		 457 rval = fc_remote_port_chkready(rport);
458 if (rval) {
459 cmd->result = rval;
fca29703
AV		 460 goto qc24_fail_command;
461 }
462
387f96b4 463 /* Close window on fcport/rport state-transitioning. */
5f3a9a20 464 if (fcport->drport) {
387f96b4 465 cmd->result = DID_IMM_RETRY << 16;
466 goto qc24_fail_command;
467 }
468
fca29703
AV		 469 if (atomic_read(&fcport->state) != FCS_ONLINE) {
470 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
2c3dfe3f 471 atomic_read(&pha->loop_state) == LOOP_DEAD) {
fca29703
AV		 472 cmd->result = DID_NO_CONNECT << 16;
473 goto qc24_fail_command;
474 }
475 goto qc24_host_busy;
476 }
477
478 spin_unlock_irq(ha->host->host_lock);
479
2c3dfe3f 480 sp = qla2x00_get_new_sp(pha, fcport, cmd, done);
fca29703
AV		 481 if (!sp)
482 goto qc24_host_busy_lock;
483
484 rval = qla24xx_start_scsi(sp);
485 if (rval != QLA_SUCCESS)
486 goto qc24_host_busy_free_sp;
487
488 spin_lock_irq(ha->host->host_lock);
489
490 return 0;
491
492qc24_host_busy_free_sp:
2c3dfe3f
SJ		 493 qla2x00_sp_free_dma(pha, sp);
494 mempool_free(sp, pha->srb_mempool);
fca29703
AV		 495
496qc24_host_busy_lock:
497 spin_lock_irq(ha->host->host_lock);
498
499qc24_host_busy:
500 return SCSI_MLQUEUE_HOST_BUSY;
501
502qc24_fail_command:
503 done(cmd);
504
505 return 0;
506}
507
508
1da177e4
LT		 509/*
510 * qla2x00_eh_wait_on_command
511 * Waits for the command to be returned by the Firmware for some
512 * max time.
513 *
514 * Input:
515 * ha = actual ha whose done queue will contain the command
516 * returned by firmware.
517 * cmd = Scsi Command to wait on.
518 * flag = Abort/Reset(Bus or Device Reset)
519 *
520 * Return:
521 * Not Found : 0
522 * Found : 1
523 */
524static int
525qla2x00_eh_wait_on_command(scsi_qla_host_t *ha, struct scsi_cmnd *cmd)
526{
fe74c71f
AV		 527#define ABORT_POLLING_PERIOD 1000
528#define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
f4f051eb 529 unsigned long wait_iter = ABORT_WAIT_ITER;
530 int ret = QLA_SUCCESS;
1da177e4 531
f4f051eb 532 while (CMD_SP(cmd)) {
fe74c71f 533 msleep(ABORT_POLLING_PERIOD);
1da177e4 534
f4f051eb 535 if (--wait_iter)
536 break;
537 }
538 if (CMD_SP(cmd))
539 ret = QLA_FUNCTION_FAILED;
1da177e4 540
f4f051eb 541 return ret;
1da177e4
LT		 542}
543
544/*
545 * qla2x00_wait_for_hba_online
fa2a1ce5 546 * Wait till the HBA is online after going through
1da177e4
LT		 547 * <= MAX_RETRIES_OF_ISP_ABORT or
548 * finally HBA is disabled ie marked offline
549 *
550 * Input:
551 * ha - pointer to host adapter structure
fa2a1ce5
AV		 552 *
553 * Note:
1da177e4
LT		 554 * Does context switching-Release SPIN_LOCK
555 * (if any) before calling this routine.
556 *
557 * Return:
558 * Success (Adapter is online) : 0
559 * Failed (Adapter is offline/disabled) : 1
560 */
854165f4 561int
1da177e4
LT		 562qla2x00_wait_for_hba_online(scsi_qla_host_t *ha)
563{
fca29703
AV		 564 int return_status;
565 unsigned long wait_online;
2c3dfe3f 566 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4 567
fa2a1ce5 568 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
2c3dfe3f
SJ		 569 while (((test_bit(ISP_ABORT_NEEDED, &pha->dpc_flags)) ||
570 test_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags) ||
571 test_bit(ISP_ABORT_RETRY, &pha->dpc_flags) ||
572 pha->dpc_active) && time_before(jiffies, wait_online)) {
1da177e4
LT		 573
574 msleep(1000);
575 }
2c3dfe3f 576 if (pha->flags.online)
fa2a1ce5 577 return_status = QLA_SUCCESS;
1da177e4
LT		 578 else
579 return_status = QLA_FUNCTION_FAILED;
580
1da177e4
LT		 581 return (return_status);
582}
583
584/*
585 * qla2x00_wait_for_loop_ready
586 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
fa2a1ce5 587 * to be in LOOP_READY state.
1da177e4
LT		 588 * Input:
589 * ha - pointer to host adapter structure
fa2a1ce5
AV		 590 *
591 * Note:
1da177e4
LT		 592 * Does context switching-Release SPIN_LOCK
593 * (if any) before calling this routine.
fa2a1ce5 594 *
1da177e4
LT		 595 *
596 * Return:
597 * Success (LOOP_READY) : 0
598 * Failed (LOOP_NOT_READY) : 1
599 */
fa2a1ce5 600static inline int
1da177e4
LT		 601qla2x00_wait_for_loop_ready(scsi_qla_host_t *ha)
602{
603 int return_status = QLA_SUCCESS;
604 unsigned long loop_timeout ;
2c3dfe3f 605 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4
LT		 606
607 /* wait for 5 min at the max for loop to be ready */
fa2a1ce5 608 loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1da177e4 609
2c3dfe3f
SJ		 610 while ((!atomic_read(&pha->loop_down_timer) &&
611 atomic_read(&pha->loop_state) == LOOP_DOWN) ||
612 atomic_read(&pha->loop_state) != LOOP_READY) {
613 if (atomic_read(&pha->loop_state) == LOOP_DEAD) {
57680080
RA		 614 return_status = QLA_FUNCTION_FAILED;
615 break;
616 }
1da177e4
LT		 617 msleep(1000);
618 if (time_after_eq(jiffies, loop_timeout)) {
619 return_status = QLA_FUNCTION_FAILED;
620 break;
621 }
622 }
fa2a1ce5 623 return (return_status);
1da177e4
LT		 624}
625
5f3a9a20
SJ		 626void
627qla2x00_abort_fcport_cmds(fc_port_t *fcport)
628{
629 int cnt;
630 unsigned long flags;
631 srb_t *sp;
632 scsi_qla_host_t *ha = fcport->ha;
633 scsi_qla_host_t *pha = to_qla_parent(ha);
634
635 spin_lock_irqsave(&pha->hardware_lock, flags);
636 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
637 sp = pha->outstanding_cmds[cnt];
638 if (!sp)
639 continue;
640 if (sp->fcport != fcport)
641 continue;
642
643 spin_unlock_irqrestore(&pha->hardware_lock, flags);
644 if (ha->isp_ops->abort_command(ha, sp)) {
645 DEBUG2(qla_printk(KERN_WARNING, ha,
646 "Abort failed -- %lx\n", sp->cmd->serial_number));
647 } else {
648 if (qla2x00_eh_wait_on_command(ha, sp->cmd) !=
649 QLA_SUCCESS)
650 DEBUG2(qla_printk(KERN_WARNING, ha,
651 "Abort failed while waiting -- %lx\n",
652 sp->cmd->serial_number));
653
654 }
655 spin_lock_irqsave(&pha->hardware_lock, flags);
656 }
657 spin_unlock_irqrestore(&pha->hardware_lock, flags);
658}
659
07db5183
AV		 660static void
661qla2x00_block_error_handler(struct scsi_cmnd *cmnd)
662{
663 struct Scsi_Host *shost = cmnd->device->host;
664 struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device));
665 unsigned long flags;
666
667 spin_lock_irqsave(shost->host_lock, flags);
668 while (rport->port_state == FC_PORTSTATE_BLOCKED) {
669 spin_unlock_irqrestore(shost->host_lock, flags);
670 msleep(1000);
671 spin_lock_irqsave(shost->host_lock, flags);
672 }
673 spin_unlock_irqrestore(shost->host_lock, flags);
674 return;
675}
676
1da177e4
LT		 677/**************************************************************************
678* qla2xxx_eh_abort
679*
680* Description:
681* The abort function will abort the specified command.
682*
683* Input:
684* cmd = Linux SCSI command packet to be aborted.
685*
686* Returns:
687* Either SUCCESS or FAILED.
688*
689* Note:
2ea00202 690* Only return FAILED if command not returned by firmware.
1da177e4 691**************************************************************************/
e5f82ab8 692static int
1da177e4
LT		 693qla2xxx_eh_abort(struct scsi_cmnd *cmd)
694{
f363b943 695 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
f4f051eb 696 srb_t *sp;
697 int ret, i;
698 unsigned int id, lun;
699 unsigned long serial;
18e144d3 700 unsigned long flags;
2ea00202 701 int wait = 0;
2c3dfe3f 702 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4 703
07db5183
AV		 704 qla2x00_block_error_handler(cmd);
705
f4f051eb 706 if (!CMD_SP(cmd))
2ea00202 707 return SUCCESS;
1da177e4 708
2ea00202 709 ret = SUCCESS;
1da177e4 710
f4f051eb 711 id = cmd->device->id;
712 lun = cmd->device->lun;
713 serial = cmd->serial_number;
1da177e4 714
f4f051eb 715 /* Check active list for command command. */
2c3dfe3f 716 spin_lock_irqsave(&pha->hardware_lock, flags);
f4f051eb 717 for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
2c3dfe3f 718 sp = pha->outstanding_cmds[i];
1da177e4 719
f4f051eb 720 if (sp == NULL)
721 continue;
1da177e4 722
f4f051eb 723 if (sp->cmd != cmd)
724 continue;
1da177e4 725
75bc4190
AV		 726 DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld.\n",
727 __func__, ha->host_no, sp, serial));
1da177e4 728
2c3dfe3f 729 spin_unlock_irqrestore(&pha->hardware_lock, flags);
fd34f556 730 if (ha->isp_ops->abort_command(ha, sp)) {
f4f051eb 731 DEBUG2(printk("%s(%ld): abort_command "
732 "mbx failed.\n", __func__, ha->host_no));
733 } else {
734 DEBUG3(printk("%s(%ld): abort_command "
735 "mbx success.\n", __func__, ha->host_no));
2ea00202 736 wait = 1;
f4f051eb 737 }
2c3dfe3f 738 spin_lock_irqsave(&pha->hardware_lock, flags);
1da177e4 739
f4f051eb 740 break;
741 }
2c3dfe3f 742 spin_unlock_irqrestore(&pha->hardware_lock, flags);
1da177e4 743
f4f051eb 744 /* Wait for the command to be returned. */
2ea00202 745 if (wait) {
f4f051eb 746 if (qla2x00_eh_wait_on_command(ha, cmd) != QLA_SUCCESS) {
fa2a1ce5 747 qla_printk(KERN_ERR, ha,
f4f051eb 748 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
749 "%x.\n", ha->host_no, id, lun, serial, ret);
2ea00202 750 ret = FAILED;
f4f051eb 751 }
1da177e4 752 }
1da177e4 753
fa2a1ce5 754 qla_printk(KERN_INFO, ha,
2ea00202
MR		 755 "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
756 ha->host_no, id, lun, wait, serial, ret);
1da177e4 757
f4f051eb 758 return ret;
759}
1da177e4 760
523ec773
AV		 761enum nexus_wait_type {
762 WAIT_HOST = 0,
763 WAIT_TARGET,
764 WAIT_LUN,
765};
766
f4f051eb 767static int
523ec773
AV		 768qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha, unsigned int t,
769 unsigned int l, enum nexus_wait_type type)
f4f051eb 770{
523ec773
AV		 771 int cnt, match, status;
772 srb_t *sp;
18e144d3 773 unsigned long flags;
2c3dfe3f 774 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4 775
523ec773
AV		 776 status = QLA_SUCCESS;
777 spin_lock_irqsave(&pha->hardware_lock, flags);
778 for (cnt = 1; status == QLA_SUCCESS && cnt < MAX_OUTSTANDING_COMMANDS;
779 cnt++) {
2c3dfe3f 780 sp = pha->outstanding_cmds[cnt];
523ec773
AV		 781 if (!sp)
782 continue;
783 if (ha->vp_idx != sp->ha->vp_idx)
784 continue;
785 match = 0;
786 switch (type) {
787 case WAIT_HOST:
788 match = 1;
789 break;
790 case WAIT_TARGET:
791 match = sp->cmd->device->id == t;
792 break;
793 case WAIT_LUN:
794 match = (sp->cmd->device->id == t &&
795 sp->cmd->device->lun == l);
796 break;
1da177e4 797 }
523ec773
AV		 798 if (!match)
799 continue;
800
801 spin_unlock_irqrestore(&pha->hardware_lock, flags);
802 status = qla2x00_eh_wait_on_command(ha, sp->cmd);
803 spin_lock_irqsave(&pha->hardware_lock, flags);
1da177e4 804 }
523ec773
AV		 805 spin_unlock_irqrestore(&pha->hardware_lock, flags);
806
807 return status;
1da177e4
LT		 808}
809
523ec773
AV		 810static char *reset_errors[] = {
811 "HBA not online",
812 "HBA not ready",
813 "Task management failed",
814 "Waiting for command completions",
815};
1da177e4 816
e5f82ab8 817static int
523ec773
AV		 818__qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
819 struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int))
1da177e4 820{
f363b943 821 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
bdf79621 822 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
523ec773 823 int err;
1da177e4 824
07db5183
AV		 825 qla2x00_block_error_handler(cmd);
826
b0328bee 827 if (!fcport)
523ec773 828 return FAILED;
1da177e4 829
523ec773
AV		 830 qla_printk(KERN_INFO, ha, "scsi(%ld:%d:%d): %s RESET ISSUED.\n",
831 ha->host_no, cmd->device->id, cmd->device->lun, name);
1da177e4 832
523ec773 833 err = 0;
94d0e7b8 834 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
523ec773
AV		 835 goto eh_reset_failed;
836 err = 1;
837 if (qla2x00_wait_for_loop_ready(ha) != QLA_SUCCESS)
838 goto eh_reset_failed;
839 err = 2;
840 if (do_reset(fcport, cmd->device->lun) != QLA_SUCCESS)
841 goto eh_reset_failed;
842 err = 3;
843 if (qla2x00_eh_wait_for_pending_commands(ha, cmd->device->id,
844 cmd->device->lun, type) != QLA_SUCCESS)
845 goto eh_reset_failed;
846
847 qla_printk(KERN_INFO, ha, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n",
848 ha->host_no, cmd->device->id, cmd->device->lun, name);
849
850 return SUCCESS;
851
852 eh_reset_failed:
853 qla_printk(KERN_INFO, ha, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n",
854 ha->host_no, cmd->device->id, cmd->device->lun, name,
855 reset_errors[err]);
856 return FAILED;
857}
1da177e4 858
523ec773
AV		 859static int
860qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
861{
862 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
1da177e4 863
523ec773
AV		 864 return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
865 ha->isp_ops->lun_reset);
1da177e4
LT		 866}
867
1da177e4 868static int
523ec773 869qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1da177e4 870{
523ec773 871 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
1da177e4 872
523ec773
AV		 873 return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
874 ha->isp_ops->target_reset);
1da177e4
LT		 875}
876
1da177e4
LT		 877/**************************************************************************
878* qla2xxx_eh_bus_reset
879*
880* Description:
881* The bus reset function will reset the bus and abort any executing
882* commands.
883*
884* Input:
885* cmd = Linux SCSI command packet of the command that cause the
886* bus reset.
887*
888* Returns:
889* SUCCESS/FAILURE (defined as macro in scsi.h).
890*
891**************************************************************************/
e5f82ab8 892static int
1da177e4
LT		 893qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
894{
f363b943 895 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
2c3dfe3f 896 scsi_qla_host_t *pha = to_qla_parent(ha);
bdf79621 897 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
2c3dfe3f 898 int ret = FAILED;
f4f051eb 899 unsigned int id, lun;
900 unsigned long serial;
901
07db5183
AV		 902 qla2x00_block_error_handler(cmd);
903
f4f051eb 904 id = cmd->device->id;
905 lun = cmd->device->lun;
906 serial = cmd->serial_number;
1da177e4 907
b0328bee 908 if (!fcport)
f4f051eb 909 return ret;
1da177e4
LT		 910
911 qla_printk(KERN_INFO, ha,
f4f051eb 912 "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha->host_no, id, lun);
1da177e4 913
1da177e4
LT		 914 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) {
915 DEBUG2(printk("%s failed:board disabled\n",__func__));
f4f051eb 916 goto eh_bus_reset_done;
1da177e4
LT		 917 }
918
919 if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
f4f051eb 920 if (qla2x00_loop_reset(ha) == QLA_SUCCESS)
921 ret = SUCCESS;
1da177e4 922 }
f4f051eb 923 if (ret == FAILED)
924 goto eh_bus_reset_done;
1da177e4 925
9a41a62b 926 /* Flush outstanding commands. */
523ec773
AV		 927 if (qla2x00_eh_wait_for_pending_commands(pha, 0, 0, WAIT_HOST) !=
928 QLA_SUCCESS)
9a41a62b 929 ret = FAILED;
1da177e4 930
f4f051eb 931eh_bus_reset_done:
1da177e4 932 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
f4f051eb 933 (ret == FAILED) ? "failed" : "succeded");
1da177e4 934
f4f051eb 935 return ret;
1da177e4
LT		 936}
937
938/**************************************************************************
939* qla2xxx_eh_host_reset
940*
941* Description:
942* The reset function will reset the Adapter.
943*
944* Input:
945* cmd = Linux SCSI command packet of the command that cause the
946* adapter reset.
947*
948* Returns:
949* Either SUCCESS or FAILED.
950*
951* Note:
952**************************************************************************/
e5f82ab8 953static int
1da177e4
LT		 954qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
955{
f363b943 956 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
bdf79621 957 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
2c3dfe3f 958 int ret = FAILED;
f4f051eb 959 unsigned int id, lun;
960 unsigned long serial;
2c3dfe3f 961 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4 962
07db5183
AV		 963 qla2x00_block_error_handler(cmd);
964
f4f051eb 965 id = cmd->device->id;
966 lun = cmd->device->lun;
967 serial = cmd->serial_number;
968
b0328bee 969 if (!fcport)
f4f051eb 970 return ret;
1da177e4 971
1da177e4 972 qla_printk(KERN_INFO, ha,
f4f051eb 973 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha->host_no, id, lun);
1da177e4 974
1da177e4 975 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
f4f051eb 976 goto eh_host_reset_lock;
1da177e4
LT		 977
978 /*
979 * Fixme-may be dpc thread is active and processing
fa2a1ce5 980 * loop_resync,so wait a while for it to
1da177e4
LT		 981 * be completed and then issue big hammer.Otherwise
982 * it may cause I/O failure as big hammer marks the
983 * devices as lost kicking of the port_down_timer
984 * while dpc is stuck for the mailbox to complete.
985 */
1da177e4 986 qla2x00_wait_for_loop_ready(ha);
2c3dfe3f
SJ		 987 set_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
988 if (qla2x00_abort_isp(pha)) {
989 clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
1da177e4 990 /* failed. schedule dpc to try */
2c3dfe3f 991 set_bit(ISP_ABORT_NEEDED, &pha->dpc_flags);
1da177e4
LT		 992
993 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
f4f051eb 994 goto eh_host_reset_lock;
fa2a1ce5 995 }
2c3dfe3f 996 clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
1da177e4 997
1da177e4 998 /* Waiting for our command in done_queue to be returned to OS.*/
523ec773
AV		 999 if (qla2x00_eh_wait_for_pending_commands(pha, 0, 0, WAIT_HOST) ==
1000 QLA_SUCCESS)
f4f051eb 1001 ret = SUCCESS;
1da177e4 1002
2c3dfe3f
SJ		 1003 if (ha->parent)
1004 qla2x00_vp_abort_isp(ha);
1005
f4f051eb 1006eh_host_reset_lock:
f4f051eb 1007 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1008 (ret == FAILED) ? "failed" : "succeded");
1da177e4 1009
f4f051eb 1010 return ret;
1011}
1da177e4
LT		 1012
1013/*
1014* qla2x00_loop_reset
1015* Issue loop reset.
1016*
1017* Input:
1018* ha = adapter block pointer.
1019*
1020* Returns:
1021* 0 = success
1022*/
a4722cf2 1023int
1da177e4
LT		 1024qla2x00_loop_reset(scsi_qla_host_t *ha)
1025{
0c8c39af 1026 int ret;
bdf79621 1027 struct fc_port *fcport;
1da177e4 1028
0c8c39af
AV		 1029 if (ha->flags.enable_lip_full_login) {
1030 ret = qla2x00_full_login_lip(ha);
1031 if (ret != QLA_SUCCESS) {
1032 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1033 "full_login_lip=%d.\n", __func__, ha->host_no,
1034 ret));
1035 }
1036 atomic_set(&ha->loop_state, LOOP_DOWN);
1037 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
1038 qla2x00_mark_all_devices_lost(ha, 0);
1039 qla2x00_wait_for_loop_ready(ha);
1040 }
1041
1da177e4 1042 if (ha->flags.enable_lip_reset) {
0c8c39af
AV		 1043 ret = qla2x00_lip_reset(ha);
1044 if (ret != QLA_SUCCESS) {
1045 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1046 "lip_reset=%d.\n", __func__, ha->host_no, ret));
1047 }
1048 qla2x00_wait_for_loop_ready(ha);
1da177e4
LT		 1049 }
1050
0c8c39af 1051 if (ha->flags.enable_target_reset) {
bdf79621 1052 list_for_each_entry(fcport, &ha->fcports, list) {
1053 if (fcport->port_type != FCT_TARGET)
1da177e4
LT		 1054 continue;
1055
523ec773 1056 ret = ha->isp_ops->target_reset(fcport, 0);
0c8c39af
AV		 1057 if (ret != QLA_SUCCESS) {
1058 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1059 "target_reset=%d d_id=%x.\n", __func__,
1060 ha->host_no, ret, fcport->d_id.b24));
1061 }
1da177e4
LT		 1062 }
1063 }
1064
1da177e4
LT		 1065 /* Issue marker command only when we are going to start the I/O */
1066 ha->marker_needed = 1;
1067
0c8c39af 1068 return QLA_SUCCESS;
1da177e4
LT		 1069}
1070
df4bf0bb
AV		 1071void
1072qla2x00_abort_all_cmds(scsi_qla_host_t *ha, int res)
1073{
1074 int cnt;
1075 unsigned long flags;
1076 srb_t *sp;
1077
1078 spin_lock_irqsave(&ha->hardware_lock, flags);
1079 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1080 sp = ha->outstanding_cmds[cnt];
1081 if (sp) {
1082 ha->outstanding_cmds[cnt] = NULL;
1083 sp->flags = 0;
1084 sp->cmd->result = res;
1085 sp->cmd->host_scribble = (unsigned char *)NULL;
1086 qla2x00_sp_compl(ha, sp);
1087 }
1088 }
1089 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1090}
1091
f4f051eb 1092static int
1093qla2xxx_slave_alloc(struct scsi_device *sdev)
1da177e4 1094{
bdf79621 1095 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1da177e4 1096
19a7b4ae 1097 if (!rport || fc_remote_port_chkready(rport))
f4f051eb 1098 return -ENXIO;
bdf79621 1099
19a7b4ae 1100 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1da177e4 1101
f4f051eb 1102 return 0;
1103}
1da177e4 1104
f4f051eb 1105static int
1106qla2xxx_slave_configure(struct scsi_device *sdev)
1107{
f363b943 1108 scsi_qla_host_t *ha = shost_priv(sdev->host);
8482e118 1109 struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1110
f4f051eb 1111 if (sdev->tagged_supported)
df7baa50 1112 scsi_activate_tcq(sdev, ha->max_q_depth);
f4f051eb 1113 else
df7baa50 1114 scsi_deactivate_tcq(sdev, ha->max_q_depth);
1da177e4 1115
85821c90 1116 rport->dev_loss_tmo = ha->port_down_retry_count;
8482e118 1117
f4f051eb 1118 return 0;
1119}
1da177e4 1120
f4f051eb 1121static void
1122qla2xxx_slave_destroy(struct scsi_device *sdev)
1123{
1124 sdev->hostdata = NULL;
1da177e4
LT		 1125}
1126
ce7e4af7
AV		 1127static int
1128qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
1129{
1130 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1131 return sdev->queue_depth;
1132}
1133
1134static int
1135qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1136{
1137 if (sdev->tagged_supported) {
1138 scsi_set_tag_type(sdev, tag_type);
1139 if (tag_type)
1140 scsi_activate_tcq(sdev, sdev->queue_depth);
1141 else
1142 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1143 } else
1144 tag_type = 0;
1145
1146 return tag_type;
1147}
1148
1da177e4
LT		 1149/**
1150 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1151 * @ha: HA context
1152 *
1153 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1154 * supported addressing method.
1155 */
1156static void
1157qla2x00_config_dma_addressing(scsi_qla_host_t *ha)
1158{
7524f9b9 1159 /* Assume a 32bit DMA mask. */
1da177e4 1160 ha->flags.enable_64bit_addressing = 0;
1da177e4 1161
7524f9b9
AV		 1162 if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) {
1163 /* Any upper-dword bits set? */
1164 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1165 !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) {
1166 /* Ok, a 64bit DMA mask is applicable. */
1da177e4 1167 ha->flags.enable_64bit_addressing = 1;
fd34f556
AV		 1168 ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1169 ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
7524f9b9 1170 return;
1da177e4 1171 }
1da177e4 1172 }
7524f9b9
AV		 1173
1174 dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK);
1175 pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK);
1da177e4
LT		 1176}
1177
fd34f556
AV		 1178static void
1179qla2x00_enable_intrs(scsi_qla_host_t *ha)
1180{
1181 unsigned long flags = 0;
1182 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1183
1184 spin_lock_irqsave(&ha->hardware_lock, flags);
1185 ha->interrupts_on = 1;
1186 /* enable risc and host interrupts */
1187 WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1188 RD_REG_WORD(&reg->ictrl);
1189 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1190
1191}
1192
1193static void
1194qla2x00_disable_intrs(scsi_qla_host_t *ha)
1195{
1196 unsigned long flags = 0;
1197 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1198
1199 spin_lock_irqsave(&ha->hardware_lock, flags);
1200 ha->interrupts_on = 0;
1201 /* disable risc and host interrupts */
1202 WRT_REG_WORD(&reg->ictrl, 0);
1203 RD_REG_WORD(&reg->ictrl);
1204 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1205}
1206
1207static void
1208qla24xx_enable_intrs(scsi_qla_host_t *ha)
1209{
1210 unsigned long flags = 0;
1211 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1212
1213 spin_lock_irqsave(&ha->hardware_lock, flags);
1214 ha->interrupts_on = 1;
1215 WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1216 RD_REG_DWORD(&reg->ictrl);
1217 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1218}
1219
1220static void
1221qla24xx_disable_intrs(scsi_qla_host_t *ha)
1222{
1223 unsigned long flags = 0;
1224 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1225
1226 spin_lock_irqsave(&ha->hardware_lock, flags);
1227 ha->interrupts_on = 0;
1228 WRT_REG_DWORD(&reg->ictrl, 0);
1229 RD_REG_DWORD(&reg->ictrl);
1230 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1231}
1232
1233static struct isp_operations qla2100_isp_ops = {
1234 .pci_config = qla2100_pci_config,
1235 .reset_chip = qla2x00_reset_chip,
1236 .chip_diag = qla2x00_chip_diag,
1237 .config_rings = qla2x00_config_rings,
1238 .reset_adapter = qla2x00_reset_adapter,
1239 .nvram_config = qla2x00_nvram_config,
1240 .update_fw_options = qla2x00_update_fw_options,
1241 .load_risc = qla2x00_load_risc,
1242 .pci_info_str = qla2x00_pci_info_str,
1243 .fw_version_str = qla2x00_fw_version_str,
1244 .intr_handler = qla2100_intr_handler,
1245 .enable_intrs = qla2x00_enable_intrs,
1246 .disable_intrs = qla2x00_disable_intrs,
1247 .abort_command = qla2x00_abort_command,
523ec773
AV		 1248 .target_reset = qla2x00_abort_target,
1249 .lun_reset = qla2x00_lun_reset,
fd34f556
AV		 1250 .fabric_login = qla2x00_login_fabric,
1251 .fabric_logout = qla2x00_fabric_logout,
1252 .calc_req_entries = qla2x00_calc_iocbs_32,
1253 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1254 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1255 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1256 .read_nvram = qla2x00_read_nvram_data,
1257 .write_nvram = qla2x00_write_nvram_data,
1258 .fw_dump = qla2100_fw_dump,
1259 .beacon_on = NULL,
1260 .beacon_off = NULL,
1261 .beacon_blink = NULL,
1262 .read_optrom = qla2x00_read_optrom_data,
1263 .write_optrom = qla2x00_write_optrom_data,
1264 .get_flash_version = qla2x00_get_flash_version,
1265};
1266
1267static struct isp_operations qla2300_isp_ops = {
1268 .pci_config = qla2300_pci_config,
1269 .reset_chip = qla2x00_reset_chip,
1270 .chip_diag = qla2x00_chip_diag,
1271 .config_rings = qla2x00_config_rings,
1272 .reset_adapter = qla2x00_reset_adapter,
1273 .nvram_config = qla2x00_nvram_config,
1274 .update_fw_options = qla2x00_update_fw_options,
1275 .load_risc = qla2x00_load_risc,
1276 .pci_info_str = qla2x00_pci_info_str,
1277 .fw_version_str = qla2x00_fw_version_str,
1278 .intr_handler = qla2300_intr_handler,
1279 .enable_intrs = qla2x00_enable_intrs,
1280 .disable_intrs = qla2x00_disable_intrs,
1281 .abort_command = qla2x00_abort_command,
523ec773
AV		 1282 .target_reset = qla2x00_abort_target,
1283 .lun_reset = qla2x00_lun_reset,
fd34f556
AV		 1284 .fabric_login = qla2x00_login_fabric,
1285 .fabric_logout = qla2x00_fabric_logout,
1286 .calc_req_entries = qla2x00_calc_iocbs_32,
1287 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1288 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1289 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1290 .read_nvram = qla2x00_read_nvram_data,
1291 .write_nvram = qla2x00_write_nvram_data,
1292 .fw_dump = qla2300_fw_dump,
1293 .beacon_on = qla2x00_beacon_on,
1294 .beacon_off = qla2x00_beacon_off,
1295 .beacon_blink = qla2x00_beacon_blink,
1296 .read_optrom = qla2x00_read_optrom_data,
1297 .write_optrom = qla2x00_write_optrom_data,
1298 .get_flash_version = qla2x00_get_flash_version,
1299};
1300
1301static struct isp_operations qla24xx_isp_ops = {
1302 .pci_config = qla24xx_pci_config,
1303 .reset_chip = qla24xx_reset_chip,
1304 .chip_diag = qla24xx_chip_diag,
1305 .config_rings = qla24xx_config_rings,
1306 .reset_adapter = qla24xx_reset_adapter,
1307 .nvram_config = qla24xx_nvram_config,
1308 .update_fw_options = qla24xx_update_fw_options,
1309 .load_risc = qla24xx_load_risc,
1310 .pci_info_str = qla24xx_pci_info_str,
1311 .fw_version_str = qla24xx_fw_version_str,
1312 .intr_handler = qla24xx_intr_handler,
1313 .enable_intrs = qla24xx_enable_intrs,
1314 .disable_intrs = qla24xx_disable_intrs,
1315 .abort_command = qla24xx_abort_command,
523ec773
AV		 1316 .target_reset = qla24xx_abort_target,
1317 .lun_reset = qla24xx_lun_reset,
fd34f556
AV		 1318 .fabric_login = qla24xx_login_fabric,
1319 .fabric_logout = qla24xx_fabric_logout,
1320 .calc_req_entries = NULL,
1321 .build_iocbs = NULL,
1322 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1323 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1324 .read_nvram = qla24xx_read_nvram_data,
1325 .write_nvram = qla24xx_write_nvram_data,
1326 .fw_dump = qla24xx_fw_dump,
1327 .beacon_on = qla24xx_beacon_on,
1328 .beacon_off = qla24xx_beacon_off,
1329 .beacon_blink = qla24xx_beacon_blink,
1330 .read_optrom = qla24xx_read_optrom_data,
1331 .write_optrom = qla24xx_write_optrom_data,
1332 .get_flash_version = qla24xx_get_flash_version,
1333};
1334
c3a2f0df
AV		 1335static struct isp_operations qla25xx_isp_ops = {
1336 .pci_config = qla25xx_pci_config,
1337 .reset_chip = qla24xx_reset_chip,
1338 .chip_diag = qla24xx_chip_diag,
1339 .config_rings = qla24xx_config_rings,
1340 .reset_adapter = qla24xx_reset_adapter,
1341 .nvram_config = qla24xx_nvram_config,
1342 .update_fw_options = qla24xx_update_fw_options,
1343 .load_risc = qla24xx_load_risc,
1344 .pci_info_str = qla24xx_pci_info_str,
1345 .fw_version_str = qla24xx_fw_version_str,
1346 .intr_handler = qla24xx_intr_handler,
1347 .enable_intrs = qla24xx_enable_intrs,
1348 .disable_intrs = qla24xx_disable_intrs,
1349 .abort_command = qla24xx_abort_command,
523ec773
AV		 1350 .target_reset = qla24xx_abort_target,
1351 .lun_reset = qla24xx_lun_reset,
c3a2f0df
AV		 1352 .fabric_login = qla24xx_login_fabric,
1353 .fabric_logout = qla24xx_fabric_logout,
1354 .calc_req_entries = NULL,
1355 .build_iocbs = NULL,
1356 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1357 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1358 .read_nvram = qla25xx_read_nvram_data,
1359 .write_nvram = qla25xx_write_nvram_data,
1360 .fw_dump = qla25xx_fw_dump,
1361 .beacon_on = qla24xx_beacon_on,
1362 .beacon_off = qla24xx_beacon_off,
1363 .beacon_blink = qla24xx_beacon_blink,
338c9161 1364 .read_optrom = qla25xx_read_optrom_data,
c3a2f0df
AV		 1365 .write_optrom = qla24xx_write_optrom_data,
1366 .get_flash_version = qla24xx_get_flash_version,
1367};
1368
ea5b6382 1369static inline void
1370qla2x00_set_isp_flags(scsi_qla_host_t *ha)
1371{
1372 ha->device_type = DT_EXTENDED_IDS;
1373 switch (ha->pdev->device) {
1374 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1375 ha->device_type |= DT_ISP2100;
1376 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1377 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382 1378 break;
1379 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1380 ha->device_type |= DT_ISP2200;
1381 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1382 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382 1383 break;
1384 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1385 ha->device_type |= DT_ISP2300;
4a59f71d 1386 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1387 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1388 break;
1389 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1390 ha->device_type |= DT_ISP2312;
4a59f71d 1391 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1392 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1393 break;
1394 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1395 ha->device_type |= DT_ISP2322;
4a59f71d 1396 ha->device_type |= DT_ZIO_SUPPORTED;
ea5b6382 1397 if (ha->pdev->subsystem_vendor == 0x1028 &&
1398 ha->pdev->subsystem_device == 0x0170)
1399 ha->device_type |= DT_OEM_001;
441d1072 1400 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1401 break;
1402 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1403 ha->device_type |= DT_ISP6312;
441d1072 1404 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1405 break;
1406 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1407 ha->device_type |= DT_ISP6322;
441d1072 1408 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1409 break;
1410 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1411 ha->device_type |= DT_ISP2422;
4a59f71d 1412 ha->device_type |= DT_ZIO_SUPPORTED;
e428924c 1413 ha->device_type |= DT_FWI2;
c76f2c01 1414 ha->device_type |= DT_IIDMA;
441d1072 1415 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1416 break;
1417 case PCI_DEVICE_ID_QLOGIC_ISP2432:
1418 ha->device_type |= DT_ISP2432;
4a59f71d 1419 ha->device_type |= DT_ZIO_SUPPORTED;
e428924c 1420 ha->device_type |= DT_FWI2;
c76f2c01 1421 ha->device_type |= DT_IIDMA;
441d1072 1422 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1423 break;
4d4df193
HK		 1424 case PCI_DEVICE_ID_QLOGIC_ISP8432:
1425 ha->device_type |= DT_ISP8432;
1426 ha->device_type |= DT_ZIO_SUPPORTED;
1427 ha->device_type |= DT_FWI2;
1428 ha->device_type |= DT_IIDMA;
1429 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1430 break;
044cc6c8 1431 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1432 ha->device_type |= DT_ISP5422;
e428924c 1433 ha->device_type |= DT_FWI2;
441d1072 1434 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1435 break;
044cc6c8 1436 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1437 ha->device_type |= DT_ISP5432;
e428924c 1438 ha->device_type |= DT_FWI2;
441d1072 1439 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1440 break;
c3a2f0df
AV		 1441 case PCI_DEVICE_ID_QLOGIC_ISP2532:
1442 ha->device_type |= DT_ISP2532;
1443 ha->device_type |= DT_ZIO_SUPPORTED;
1444 ha->device_type |= DT_FWI2;
1445 ha->device_type |= DT_IIDMA;
441d1072 1446 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1447 break;
1448 }
1449}
1450
1da177e4
LT		 1451static int
1452qla2x00_iospace_config(scsi_qla_host_t *ha)
1453{
3776541d 1454 resource_size_t pio;
1da177e4 1455
285d0321
AV		 1456 if (pci_request_selected_regions(ha->pdev, ha->bars,
1457 QLA2XXX_DRIVER_NAME)) {
1458 qla_printk(KERN_WARNING, ha,
1459 "Failed to reserve PIO/MMIO regions (%s)\n",
1460 pci_name(ha->pdev));
1461
1462 goto iospace_error_exit;
1463 }
1464 if (!(ha->bars & 1))
1465 goto skip_pio;
1466
1da177e4
LT		 1467 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1468 pio = pci_resource_start(ha->pdev, 0);
3776541d
AV		 1469 if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1470 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1da177e4
LT		 1471 qla_printk(KERN_WARNING, ha,
1472 "Invalid PCI I/O region size (%s)...\n",
1473 pci_name(ha->pdev));
1474 pio = 0;
1475 }
1476 } else {
1477 qla_printk(KERN_WARNING, ha,
1478 "region #0 not a PIO resource (%s)...\n",
1479 pci_name(ha->pdev));
1480 pio = 0;
1481 }
285d0321 1482 ha->pio_address = pio;
1da177e4 1483
285d0321 1484skip_pio:
1da177e4 1485 /* Use MMIO operations for all accesses. */
3776541d 1486 if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1da177e4 1487 qla_printk(KERN_ERR, ha,
3776541d 1488 "region #1 not an MMIO resource (%s), aborting\n",
1da177e4
LT		 1489 pci_name(ha->pdev));
1490 goto iospace_error_exit;
1491 }
3776541d 1492 if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1da177e4
LT		 1493 qla_printk(KERN_ERR, ha,
1494 "Invalid PCI mem region size (%s), aborting\n",
1495 pci_name(ha->pdev));
1496 goto iospace_error_exit;
1497 }
1498
3776541d 1499 ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1da177e4
LT		 1500 if (!ha->iobase) {
1501 qla_printk(KERN_ERR, ha,
1502 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1503
1504 goto iospace_error_exit;
1505 }
1506
1507 return (0);
1508
1509iospace_error_exit:
1510 return (-ENOMEM);
1511}
1512
1e99e33a
AV		 1513static void
1514qla2xxx_scan_start(struct Scsi_Host *shost)
1515{
f363b943 1516 scsi_qla_host_t *ha = shost_priv(shost);
1e99e33a
AV		 1517
1518 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
1519 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1520 set_bit(RSCN_UPDATE, &ha->dpc_flags);
1521}
1522
1523static int
1524qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1525{
f363b943 1526 scsi_qla_host_t *ha = shost_priv(shost);
1e99e33a
AV		 1527
1528 if (!ha->host)
1529 return 1;
1530 if (time > ha->loop_reset_delay * HZ)
1531 return 1;
1532
1533 return atomic_read(&ha->loop_state) == LOOP_READY;
1534}
1535
1da177e4
LT		 1536/*
1537 * PCI driver interface
1538 */
7ee61397
AV		 1539static int __devinit
1540qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1da177e4 1541{
a1541d5a 1542 int ret = -ENODEV;
1da177e4
LT		 1543 struct Scsi_Host *host;
1544 scsi_qla_host_t *ha;
29856e28 1545 char pci_info[30];
1da177e4 1546 char fw_str[30];
5433383e 1547 struct scsi_host_template *sht;
09483916 1548 int bars, mem_only = 0;
1da177e4 1549
285d0321 1550 bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
5433383e
AV		 1551 sht = &qla2x00_driver_template;
1552 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
8bc69e7d 1553 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
4d4df193 1554 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
8bc69e7d 1555 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
c3a2f0df 1556 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
285d0321
AV		 1557 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532) {
1558 bars = pci_select_bars(pdev, IORESOURCE_MEM);
5433383e 1559 sht = &qla24xx_driver_template;
09483916 1560 mem_only = 1;
285d0321
AV		 1561 }
1562
09483916
BH		 1563 if (mem_only) {
1564 if (pci_enable_device_mem(pdev))
1565 goto probe_out;
1566 } else {
1567 if (pci_enable_device(pdev))
1568 goto probe_out;
1569 }
285d0321
AV		 1570
1571 if (pci_find_aer_capability(pdev))
1572 if (pci_enable_pcie_error_reporting(pdev))
1573 goto probe_out;
1574
5433383e 1575 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
1da177e4
LT		 1576 if (host == NULL) {
1577 printk(KERN_WARNING
1578 "qla2xxx: Couldn't allocate host from scsi layer!\n");
1579 goto probe_disable_device;
1580 }
1581
1582 /* Clear our data area */
f363b943 1583 ha = shost_priv(host);
1da177e4
LT		 1584 memset(ha, 0, sizeof(scsi_qla_host_t));
1585
1586 ha->pdev = pdev;
1587 ha->host = host;
1588 ha->host_no = host->host_no;
cb63067a 1589 sprintf(ha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, ha->host_no);
2c3dfe3f 1590 ha->parent = NULL;
285d0321 1591 ha->bars = bars;
09483916 1592 ha->mem_only = mem_only;
df4bf0bb 1593 spin_lock_init(&ha->hardware_lock);
1da177e4 1594
ea5b6382 1595 /* Set ISP-type information. */
1596 qla2x00_set_isp_flags(ha);
1597
1da177e4
LT		 1598 /* Configure PCI I/O space */
1599 ret = qla2x00_iospace_config(ha);
a1541d5a
AV		 1600 if (ret)
1601 goto probe_failed;
1da177e4 1602
1da177e4 1603 qla_printk(KERN_INFO, ha,
5433383e
AV		 1604 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1605 ha->iobase);
1da177e4 1606
1da177e4 1607 ha->prev_topology = 0;
fca29703 1608 ha->init_cb_size = sizeof(init_cb_t);
2c3dfe3f 1609 ha->mgmt_svr_loop_id = MANAGEMENT_SERVER + ha->vp_idx;
d8b45213 1610 ha->link_data_rate = PORT_SPEED_UNKNOWN;
854165f4 1611 ha->optrom_size = OPTROM_SIZE_2300;
1da177e4 1612
df7baa50
AV		 1613 ha->max_q_depth = MAX_Q_DEPTH;
1614 if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
1615 ha->max_q_depth = ql2xmaxqdepth;
1616
abbd8870 1617 /* Assign ISP specific operations. */
1da177e4 1618 if (IS_QLA2100(ha)) {
354d6b21 1619 host->max_id = MAX_TARGETS_2100;
1da177e4
LT		 1620 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
1621 ha->request_q_length = REQUEST_ENTRY_CNT_2100;
1622 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1623 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
1624 host->sg_tablesize = 32;
abbd8870 1625 ha->gid_list_info_size = 4;
fd34f556 1626 ha->isp_ops = &qla2100_isp_ops;
1da177e4 1627 } else if (IS_QLA2200(ha)) {
354d6b21 1628 host->max_id = MAX_TARGETS_2200;
1da177e4
LT		 1629 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1630 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1631 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1632 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
abbd8870 1633 ha->gid_list_info_size = 4;
fd34f556 1634 ha->isp_ops = &qla2100_isp_ops;
fca29703 1635 } else if (IS_QLA23XX(ha)) {
354d6b21 1636 host->max_id = MAX_TARGETS_2200;
1da177e4
LT		 1637 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1638 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1639 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1640 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
abbd8870 1641 ha->gid_list_info_size = 6;
854165f4 1642 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1643 ha->optrom_size = OPTROM_SIZE_2322;
fd34f556 1644 ha->isp_ops = &qla2300_isp_ops;
4d4df193 1645 } else if (IS_QLA24XX_TYPE(ha)) {
fca29703
AV		 1646 host->max_id = MAX_TARGETS_2200;
1647 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1648 ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
1649 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1650 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
2c3dfe3f
SJ		 1651 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1652 ha->mgmt_svr_loop_id = 10 + ha->vp_idx;
fca29703 1653 ha->gid_list_info_size = 8;
854165f4 1654 ha->optrom_size = OPTROM_SIZE_24XX;
fd34f556 1655 ha->isp_ops = &qla24xx_isp_ops;
c3a2f0df
AV		 1656 } else if (IS_QLA25XX(ha)) {
1657 host->max_id = MAX_TARGETS_2200;
1658 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1659 ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
1660 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1661 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1662 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1663 ha->mgmt_svr_loop_id = 10 + ha->vp_idx;
1664 ha->gid_list_info_size = 8;
1665 ha->optrom_size = OPTROM_SIZE_25XX;
1666 ha->isp_ops = &qla25xx_isp_ops;
cb8dacbf
AV		 1667 ha->hw_event_start = PCI_FUNC(pdev->devfn) ?
1668 FA_HW_EVENT1_ADDR: FA_HW_EVENT0_ADDR;
1da177e4
LT		 1669 }
1670 host->can_queue = ha->request_q_length + 128;
1671
6c2f527c 1672 mutex_init(&ha->vport_lock);
0b05a1f0
MB		 1673 init_completion(&ha->mbx_cmd_comp);
1674 complete(&ha->mbx_cmd_comp);
1675 init_completion(&ha->mbx_intr_comp);
1da177e4
LT		 1676
1677 INIT_LIST_HEAD(&ha->list);
1678 INIT_LIST_HEAD(&ha->fcports);
2c3dfe3f 1679 INIT_LIST_HEAD(&ha->vp_list);
0971de7f 1680 INIT_LIST_HEAD(&ha->work_list);
2c3dfe3f
SJ		 1681
1682 set_bit(0, (unsigned long *) ha->vp_idx_map);
1da177e4 1683
1da177e4
LT		 1684 qla2x00_config_dma_addressing(ha);
1685 if (qla2x00_mem_alloc(ha)) {
1686 qla_printk(KERN_WARNING, ha,
1687 "[ERROR] Failed to allocate memory for adapter\n");
1688
a1541d5a
AV		 1689 ret = -ENOMEM;
1690 goto probe_failed;
1da177e4
LT		 1691 }
1692
765140bf 1693 if (qla2x00_initialize_adapter(ha)) {
1da177e4
LT		 1694 qla_printk(KERN_WARNING, ha,
1695 "Failed to initialize adapter\n");
1696
1697 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1698 "Adapter flags %x.\n",
1699 ha->host_no, ha->device_flags));
1700
a1541d5a 1701 ret = -ENODEV;
1da177e4
LT		 1702 goto probe_failed;
1703 }
1704
1705 /*
1706 * Startup the kernel thread for this host adapter
1707 */
39a11240
CH		 1708 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
1709 "%s_dpc", ha->host_str);
1710 if (IS_ERR(ha->dpc_thread)) {
1da177e4
LT		 1711 qla_printk(KERN_WARNING, ha,
1712 "Unable to start DPC thread!\n");
39a11240 1713 ret = PTR_ERR(ha->dpc_thread);
1da177e4
LT		 1714 goto probe_failed;
1715 }
1da177e4 1716
a1541d5a
AV		 1717 host->this_id = 255;
1718 host->cmd_per_lun = 3;
711c1d91 1719 host->unique_id = host->host_no;
a1541d5a 1720 host->max_cmd_len = MAX_CMDSZ;
75bc4190 1721 host->max_channel = MAX_BUSES - 1;
a1541d5a
AV		 1722 host->max_lun = MAX_LUNS;
1723 host->transportt = qla2xxx_transport_template;
1724
a8488abe
AV		 1725 ret = qla2x00_request_irqs(ha);
1726 if (ret)
1da177e4 1727 goto probe_failed;
1da177e4
LT		 1728
1729 /* Initialized the timer */
1730 qla2x00_start_timer(ha, qla2x00_timer, WATCH_INTERVAL);
1731
1732 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
1733 ha->host_no, ha));
1734
a1541d5a 1735 pci_set_drvdata(pdev, ha);
d19044c3 1736
1da177e4 1737 ha->flags.init_done = 1;
d19044c3
AV		 1738 ha->flags.online = 1;
1739
a1541d5a
AV		 1740 ret = scsi_add_host(host, &pdev->dev);
1741 if (ret)
1742 goto probe_failed;
1743
1e99e33a
AV		 1744 scsi_scan_host(host);
1745
a1541d5a
AV		 1746 qla2x00_alloc_sysfs_attr(ha);
1747
1748 qla2x00_init_host_attr(ha);
1749
df613b96
AV		 1750 qla2x00_dfs_setup(ha);
1751
1da177e4
LT		 1752 qla_printk(KERN_INFO, ha, "\n"
1753 " QLogic Fibre Channel HBA Driver: %s\n"
1754 " QLogic %s - %s\n"
5433383e
AV		 1755 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
1756 qla2x00_version_str, ha->model_number,
1757 ha->model_desc ? ha->model_desc: "", pdev->device,
fd34f556 1758 ha->isp_ops->pci_info_str(ha, pci_info), pci_name(pdev),
5433383e 1759 ha->flags.enable_64bit_addressing ? '+': '-', ha->host_no,
fd34f556 1760 ha->isp_ops->fw_version_str(ha, fw_str));
1da177e4 1761
1da177e4
LT		 1762 return 0;
1763
1764probe_failed:
1765 qla2x00_free_device(ha);
1766
1767 scsi_host_put(host);
1768
1769probe_disable_device:
1770 pci_disable_device(pdev);
1771
a1541d5a
AV		 1772probe_out:
1773 return ret;
1da177e4 1774}
1da177e4 1775
4c993f76 1776static void
7ee61397 1777qla2x00_remove_one(struct pci_dev *pdev)
1da177e4
LT		 1778{
1779 scsi_qla_host_t *ha;
1780
1781 ha = pci_get_drvdata(pdev);
1782
df613b96
AV		 1783 qla2x00_dfs_remove(ha);
1784
4d4df193
HK		 1785 qla84xx_put_chip(ha);
1786
8482e118 1787 qla2x00_free_sysfs_attr(ha);
1da177e4 1788
bdf79621 1789 fc_remove_host(ha->host);
1790
1da177e4
LT		 1791 scsi_remove_host(ha->host);
1792
1793 qla2x00_free_device(ha);
1794
1795 scsi_host_put(ha->host);
1796
665db93b 1797 pci_disable_device(pdev);
1da177e4
LT		 1798 pci_set_drvdata(pdev, NULL);
1799}
1da177e4
LT		 1800
1801static void
1802qla2x00_free_device(scsi_qla_host_t *ha)
1803{
df4bf0bb
AV		 1804 qla2x00_abort_all_cmds(ha, DID_NO_CONNECT << 16);
1805
1da177e4
LT		 1806 /* Disable timer */
1807 if (ha->timer_active)
1808 qla2x00_stop_timer(ha);
1809
df4bf0bb
AV		 1810 ha->flags.online = 0;
1811
1da177e4 1812 /* Kill the kernel thread for this host */
39a11240
CH		 1813 if (ha->dpc_thread) {
1814 struct task_struct *t = ha->dpc_thread;
1da177e4 1815
39a11240
CH		 1816 /*
1817 * qla2xxx_wake_dpc checks for ->dpc_thread
1818 * so we need to zero it out.
1819 */
1820 ha->dpc_thread = NULL;
1821 kthread_stop(t);
1da177e4
LT		 1822 }
1823
df613b96
AV		 1824 if (ha->flags.fce_enabled)
1825 qla2x00_disable_fce_trace(ha, NULL, NULL);
1826
a7a167bf 1827 if (ha->eft)
00b6bd25 1828 qla2x00_disable_eft_trace(ha);
a7a167bf 1829
f6ef3b18 1830 /* Stop currently executing firmware. */
18c6c127 1831 qla2x00_try_to_stop_firmware(ha);
1da177e4 1832
f6ef3b18
AV		 1833 /* turn-off interrupts on the card */
1834 if (ha->interrupts_on)
fd34f556 1835 ha->isp_ops->disable_intrs(ha);
f6ef3b18
AV		 1836
1837 qla2x00_mem_free(ha);
1da177e4 1838
a8488abe 1839 qla2x00_free_irqs(ha);
1da177e4
LT		 1840
1841 /* release io space registers */
1842 if (ha->iobase)
1843 iounmap(ha->iobase);
285d0321 1844 pci_release_selected_regions(ha->pdev, ha->bars);
1da177e4
LT		 1845}
1846
d97994dc 1847static inline void
1848qla2x00_schedule_rport_del(struct scsi_qla_host *ha, fc_port_t *fcport,
1849 int defer)
1850{
d97994dc 1851 struct fc_rport *rport;
5de1f70f 1852 scsi_qla_host_t *pha = to_qla_parent(ha);
d97994dc 1853
1854 if (!fcport->rport)
1855 return;
1856
1857 rport = fcport->rport;
1858 if (defer) {
5f3a9a20 1859 spin_lock_irq(ha->host->host_lock);
d97994dc 1860 fcport->drport = rport;
5f3a9a20 1861 spin_unlock_irq(ha->host->host_lock);
5de1f70f
SJ		 1862 set_bit(FCPORT_UPDATE_NEEDED, &pha->dpc_flags);
1863 qla2xxx_wake_dpc(pha);
5f3a9a20 1864 } else
d97994dc 1865 fc_remote_port_delete(rport);
d97994dc 1866}
1867
1da177e4
LT		 1868/*
1869 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
1870 *
1871 * Input: ha = adapter block pointer. fcport = port structure pointer.
1872 *
1873 * Return: None.
1874 *
1875 * Context:
1876 */
1877void qla2x00_mark_device_lost(scsi_qla_host_t *ha, fc_port_t *fcport,
d97994dc 1878 int do_login, int defer)
1da177e4 1879{
2c3dfe3f
SJ		 1880 if (atomic_read(&fcport->state) == FCS_ONLINE &&
1881 ha->vp_idx == fcport->vp_idx)
d97994dc 1882 qla2x00_schedule_rport_del(ha, fcport, defer);
19a7b4ae 1883
fa2a1ce5 1884 /*
1da177e4
LT		 1885 * We may need to retry the login, so don't change the state of the
1886 * port but do the retries.
1887 */
1888 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
1889 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1890
1891 if (!do_login)
1892 return;
1893
1894 if (fcport->login_retry == 0) {
1895 fcport->login_retry = ha->login_retry_count;
1896 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
1897
1898 DEBUG(printk("scsi(%ld): Port login retry: "
1899 "%02x%02x%02x%02x%02x%02x%02x%02x, "
1900 "id = 0x%04x retry cnt=%d\n",
1901 ha->host_no,
1902 fcport->port_name[0],
1903 fcport->port_name[1],
1904 fcport->port_name[2],
1905 fcport->port_name[3],
1906 fcport->port_name[4],
1907 fcport->port_name[5],
1908 fcport->port_name[6],
1909 fcport->port_name[7],
1910 fcport->loop_id,
1911 fcport->login_retry));
1912 }
1913}
1914
1915/*
1916 * qla2x00_mark_all_devices_lost
1917 * Updates fcport state when device goes offline.
1918 *
1919 * Input:
1920 * ha = adapter block pointer.
1921 * fcport = port structure pointer.
1922 *
1923 * Return:
1924 * None.
1925 *
1926 * Context:
1927 */
1928void
d97994dc 1929qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha, int defer)
1da177e4
LT		 1930{
1931 fc_port_t *fcport;
2c3dfe3f 1932 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4 1933
2c3dfe3f 1934 list_for_each_entry(fcport, &pha->fcports, list) {
8f0d6436 1935 if (ha->vp_idx != fcport->vp_idx)
1da177e4 1936 continue;
1da177e4
LT		 1937 /*
1938 * No point in marking the device as lost, if the device is
1939 * already DEAD.
1940 */
1941 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
1942 continue;
8f0d6436
SJ		 1943 if (atomic_read(&fcport->state) == FCS_ONLINE)
1944 qla2x00_schedule_rport_del(ha, fcport, defer);
1da177e4
LT		 1945 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1946 }
1947}
1948
1949/*
1950* qla2x00_mem_alloc
1951* Allocates adapter memory.
1952*
1953* Returns:
1954* 0 = success.
e8711085 1955* !0 = failure.
1da177e4 1956*/
e8711085 1957static int
1da177e4
LT		 1958qla2x00_mem_alloc(scsi_qla_host_t *ha)
1959{
1960 char name[16];
1da177e4 1961
e8711085
AV		 1962 ha->request_ring = dma_alloc_coherent(&ha->pdev->dev,
1963 (ha->request_q_length + 1) * sizeof(request_t), &ha->request_dma,
1964 GFP_KERNEL);
1965 if (!ha->request_ring)
1966 goto fail;
1967
1968 ha->response_ring = dma_alloc_coherent(&ha->pdev->dev,
1969 (ha->response_q_length + 1) * sizeof(response_t),
1970 &ha->response_dma, GFP_KERNEL);
1971 if (!ha->response_ring)
1972 goto fail_free_request_ring;
1973
1974 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
1975 &ha->gid_list_dma, GFP_KERNEL);
1976 if (!ha->gid_list)
1977 goto fail_free_response_ring;
1978
1979 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
1980 &ha->init_cb_dma, GFP_KERNEL);
1981 if (!ha->init_cb)
1982 goto fail_free_gid_list;
1983
1984 snprintf(name, sizeof(name), "%s_%ld", QLA2XXX_DRIVER_NAME,
1985 ha->host_no);
1986 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
1987 DMA_POOL_SIZE, 8, 0);
1988 if (!ha->s_dma_pool)
1989 goto fail_free_init_cb;
1da177e4 1990
e8711085
AV		 1991 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
1992 if (!ha->srb_mempool)
1993 goto fail_free_s_dma_pool;
1994
1995 /* Get memory for cached NVRAM */
1996 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
1997 if (!ha->nvram)
1998 goto fail_free_srb_mempool;
1999
2000 /* Allocate memory for SNS commands */
2001 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2002 /* Get consistent memory allocated for SNS commands */
2003 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
2004 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
2005 if (!ha->sns_cmd)
2006 goto fail_free_nvram;
2007 } else {
2008 /* Get consistent memory allocated for MS IOCB */
2009 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2010 &ha->ms_iocb_dma);
2011 if (!ha->ms_iocb)
2012 goto fail_free_nvram;
2013
2014 /* Get consistent memory allocated for CT SNS commands */
2015 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
2016 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
2017 if (!ha->ct_sns)
2018 goto fail_free_ms_iocb;
1da177e4
LT		 2019 }
2020
e8711085
AV		 2021 return 0;
2022
2023fail_free_ms_iocb:
2024 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2025 ha->ms_iocb = NULL;
2026 ha->ms_iocb_dma = 0;
2027fail_free_nvram:
2028 kfree(ha->nvram);
2029 ha->nvram = NULL;
2030fail_free_srb_mempool:
2031 mempool_destroy(ha->srb_mempool);
2032 ha->srb_mempool = NULL;
2033fail_free_s_dma_pool:
2034 dma_pool_destroy(ha->s_dma_pool);
2035 ha->s_dma_pool = NULL;
2036fail_free_init_cb:
2037 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
2038 ha->init_cb_dma);
2039 ha->init_cb = NULL;
2040 ha->init_cb_dma = 0;
2041fail_free_gid_list:
2042 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2043 ha->gid_list_dma);
2044 ha->gid_list = NULL;
2045 ha->gid_list_dma = 0;
2046fail_free_response_ring:
2047 dma_free_coherent(&ha->pdev->dev, (ha->response_q_length + 1) *
2048 sizeof(response_t), ha->response_ring, ha->response_dma);
2049 ha->response_ring = NULL;
2050 ha->response_dma = 0;
2051fail_free_request_ring:
2052 dma_free_coherent(&ha->pdev->dev, (ha->request_q_length + 1) *
2053 sizeof(request_t), ha->request_ring, ha->request_dma);
2054 ha->request_ring = NULL;
2055 ha->request_dma = 0;
2056fail:
2057 return -ENOMEM;
1da177e4
LT		 2058}
2059
2060/*
2061* qla2x00_mem_free
2062* Frees all adapter allocated memory.
2063*
2064* Input:
2065* ha = adapter block pointer.
2066*/
a824ebb3 2067static void
1da177e4
LT		 2068qla2x00_mem_free(scsi_qla_host_t *ha)
2069{
1da177e4
LT		 2070 struct list_head *fcpl, *fcptemp;
2071 fc_port_t *fcport;
1da177e4 2072
e8711085
AV		 2073 if (ha->srb_mempool)
2074 mempool_destroy(ha->srb_mempool);
1da177e4 2075
df613b96
AV		 2076 if (ha->fce)
2077 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
2078 ha->fce_dma);
2079
a7a167bf
AV		 2080 if (ha->fw_dump) {
2081 if (ha->eft)
2082 dma_free_coherent(&ha->pdev->dev,
2083 ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
2084 vfree(ha->fw_dump);
2085 }
2086
1da177e4
LT		 2087 if (ha->sns_cmd)
2088 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2089 ha->sns_cmd, ha->sns_cmd_dma);
2090
2091 if (ha->ct_sns)
2092 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2093 ha->ct_sns, ha->ct_sns_dma);
2094
88729e53
AV		 2095 if (ha->sfp_data)
2096 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2097
1da177e4
LT		 2098 if (ha->ms_iocb)
2099 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2100
1da177e4
LT		 2101 if (ha->s_dma_pool)
2102 dma_pool_destroy(ha->s_dma_pool);
2103
2c3dfe3f
SJ		 2104 if (ha->init_cb)
2105 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2106 ha->init_cb, ha->init_cb_dma);
2107
1da177e4
LT		 2108 if (ha->gid_list)
2109 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2110 ha->gid_list_dma);
2111
2112 if (ha->response_ring)
2113 dma_free_coherent(&ha->pdev->dev,
2114 (ha->response_q_length + 1) * sizeof(response_t),
2115 ha->response_ring, ha->response_dma);
2116
2117 if (ha->request_ring)
2118 dma_free_coherent(&ha->pdev->dev,
2119 (ha->request_q_length + 1) * sizeof(request_t),
2120 ha->request_ring, ha->request_dma);
2121
e8711085 2122 ha->srb_mempool = NULL;
a7a167bf
AV		 2123 ha->eft = NULL;
2124 ha->eft_dma = 0;
1da177e4
LT		 2125 ha->sns_cmd = NULL;
2126 ha->sns_cmd_dma = 0;
2127 ha->ct_sns = NULL;
2128 ha->ct_sns_dma = 0;
2129 ha->ms_iocb = NULL;
2130 ha->ms_iocb_dma = 0;
1da177e4
LT		 2131 ha->init_cb = NULL;
2132 ha->init_cb_dma = 0;
2133
2134 ha->s_dma_pool = NULL;
2135
1da177e4
LT		 2136 ha->gid_list = NULL;
2137 ha->gid_list_dma = 0;
2138
2139 ha->response_ring = NULL;
2140 ha->response_dma = 0;
2141 ha->request_ring = NULL;
2142 ha->request_dma = 0;
2143
2144 list_for_each_safe(fcpl, fcptemp, &ha->fcports) {
2145 fcport = list_entry(fcpl, fc_port_t, list);
2146
1da177e4
LT		 2147 /* fc ports */
2148 list_del_init(&fcport->list);
2149 kfree(fcport);
2150 }
2151 INIT_LIST_HEAD(&ha->fcports);
2152
1da177e4 2153 ha->fw_dump = NULL;
fca29703 2154 ha->fw_dumped = 0;
1da177e4 2155 ha->fw_dump_reading = 0;
854165f4 2156
2157 vfree(ha->optrom_buffer);
53772a2c 2158 kfree(ha->nvram);
1da177e4
LT		 2159}
2160
01ef66bb 2161static struct qla_work_evt *
0971de7f
AV		 2162qla2x00_alloc_work(struct scsi_qla_host *ha, enum qla_work_type type,
2163 int locked)
2164{
2165 struct qla_work_evt *e;
2166
2167 e = kzalloc(sizeof(struct qla_work_evt), locked ? GFP_ATOMIC:
2168 GFP_KERNEL);
2169 if (!e)
2170 return NULL;
2171
2172 INIT_LIST_HEAD(&e->list);
2173 e->type = type;
2174 e->flags = QLA_EVT_FLAG_FREE;
2175 return e;
2176}
2177
01ef66bb 2178static int
0971de7f
AV		 2179qla2x00_post_work(struct scsi_qla_host *ha, struct qla_work_evt *e, int locked)
2180{
2181 unsigned long flags;
08b95a12 2182 scsi_qla_host_t *pha = to_qla_parent(ha);
0971de7f
AV		 2183
2184 if (!locked)
08b95a12 2185 spin_lock_irqsave(&pha->hardware_lock, flags);
0971de7f
AV		 2186 list_add_tail(&e->list, &ha->work_list);
2187 qla2xxx_wake_dpc(ha);
2188 if (!locked)
08b95a12 2189 spin_unlock_irqrestore(&pha->hardware_lock, flags);
0971de7f
AV		 2190 return QLA_SUCCESS;
2191}
2192
2193int
2194qla2x00_post_aen_work(struct scsi_qla_host *ha, enum fc_host_event_code code,
2195 u32 data)
2196{
2197 struct qla_work_evt *e;
2198
2199 e = qla2x00_alloc_work(ha, QLA_EVT_AEN, 1);
2200 if (!e)
2201 return QLA_FUNCTION_FAILED;
2202
2203 e->u.aen.code = code;
2204 e->u.aen.data = data;
2205 return qla2x00_post_work(ha, e, 1);
2206}
2207
cb8dacbf
AV		 2208int
2209qla2x00_post_hwe_work(struct scsi_qla_host *ha, uint16_t code, uint16_t d1,
2210 uint16_t d2, uint16_t d3)
2211{
2212 struct qla_work_evt *e;
2213
2214 e = qla2x00_alloc_work(ha, QLA_EVT_HWE_LOG, 1);
2215 if (!e)
2216 return QLA_FUNCTION_FAILED;
2217
2218 e->u.hwe.code = code;
2219 e->u.hwe.d1 = d1;
2220 e->u.hwe.d2 = d2;
2221 e->u.hwe.d3 = d3;
2222 return qla2x00_post_work(ha, e, 1);
2223}
2224
0971de7f
AV		 2225static void
2226qla2x00_do_work(struct scsi_qla_host *ha)
2227{
2228 struct qla_work_evt *e;
08b95a12 2229 scsi_qla_host_t *pha = to_qla_parent(ha);
0971de7f 2230
08b95a12 2231 spin_lock_irq(&pha->hardware_lock);
0971de7f
AV		 2232 while (!list_empty(&ha->work_list)) {
2233 e = list_entry(ha->work_list.next, struct qla_work_evt, list);
2234 list_del_init(&e->list);
08b95a12 2235 spin_unlock_irq(&pha->hardware_lock);
0971de7f
AV		 2236
2237 switch (e->type) {
2238 case QLA_EVT_AEN:
2239 fc_host_post_event(ha->host, fc_get_event_number(),
2240 e->u.aen.code, e->u.aen.data);
2241 break;
cb8dacbf
AV		 2242 case QLA_EVT_HWE_LOG:
2243 qla2xxx_hw_event_log(ha, e->u.hwe.code, e->u.hwe.d1,
2244 e->u.hwe.d2, e->u.hwe.d3);
2245 break;
0971de7f
AV		 2246 }
2247 if (e->flags & QLA_EVT_FLAG_FREE)
2248 kfree(e);
08b95a12 2249 spin_lock_irq(&pha->hardware_lock);
0971de7f 2250 }
08b95a12 2251 spin_unlock_irq(&pha->hardware_lock);
0971de7f
AV		 2252}
2253
1da177e4
LT		 2254/**************************************************************************
2255* qla2x00_do_dpc
2256* This kernel thread is a task that is schedule by the interrupt handler
2257* to perform the background processing for interrupts.
2258*
2259* Notes:
2260* This task always run in the context of a kernel thread. It
2261* is kick-off by the driver's detect code and starts up
2262* up one per adapter. It immediately goes to sleep and waits for
2263* some fibre event. When either the interrupt handler or
2264* the timer routine detects a event it will one of the task
2265* bits then wake us up.
2266**************************************************************************/
2267static int
2268qla2x00_do_dpc(void *data)
2269{
2c3dfe3f 2270 int rval;
1da177e4
LT		 2271 scsi_qla_host_t *ha;
2272 fc_port_t *fcport;
1da177e4 2273 uint8_t status;
1da177e4 2274 uint16_t next_loopid;
99363ef8
SJ		 2275 struct scsi_qla_host *vha;
2276 int i;
2277
1da177e4
LT		 2278
2279 ha = (scsi_qla_host_t *)data;
2280
1da177e4
LT		 2281 set_user_nice(current, -20);
2282
39a11240 2283 while (!kthread_should_stop()) {
1da177e4
LT		 2284 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2285
39a11240
CH		 2286 set_current_state(TASK_INTERRUPTIBLE);
2287 schedule();
2288 __set_current_state(TASK_RUNNING);
1da177e4
LT		 2289
2290 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2291
2292 /* Initialization not yet finished. Don't do anything yet. */
39a11240 2293 if (!ha->flags.init_done)
1da177e4
LT		 2294 continue;
2295
2296 DEBUG3(printk("scsi(%ld): DPC handler\n", ha->host_no));
2297
2298 ha->dpc_active = 1;
2299
1da177e4 2300 if (ha->flags.mbox_busy) {
1da177e4
LT		 2301 ha->dpc_active = 0;
2302 continue;
2303 }
2304
0971de7f
AV		 2305 qla2x00_do_work(ha);
2306
1da177e4
LT		 2307 if (test_and_clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
2308
2309 DEBUG(printk("scsi(%ld): dpc: sched "
2310 "qla2x00_abort_isp ha = %p\n",
2311 ha->host_no, ha));
2312 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
2313 &ha->dpc_flags))) {
2314
2315 if (qla2x00_abort_isp(ha)) {
2316 /* failed. retry later */
2317 set_bit(ISP_ABORT_NEEDED,
2318 &ha->dpc_flags);
2319 }
2320 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2321 }
99363ef8
SJ		 2322
2323 for_each_mapped_vp_idx(ha, i) {
2324 list_for_each_entry(vha, &ha->vp_list,
2325 vp_list) {
2326 if (i == vha->vp_idx) {
2327 set_bit(ISP_ABORT_NEEDED,
2328 &vha->dpc_flags);
2329 break;
2330 }
2331 }
2332 }
2333
1da177e4
LT		 2334 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
2335 ha->host_no));
2336 }
2337
d97994dc 2338 if (test_and_clear_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags))
2339 qla2x00_update_fcports(ha);
2340
1da177e4
LT		 2341 if (test_and_clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) &&
2342 (!(test_and_set_bit(RESET_ACTIVE, &ha->dpc_flags)))) {
2343
2344 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
2345 ha->host_no));
2346
2347 qla2x00_rst_aen(ha);
2348 clear_bit(RESET_ACTIVE, &ha->dpc_flags);
2349 }
2350
2351 /* Retry each device up to login retry count */
2352 if ((test_and_clear_bit(RELOGIN_NEEDED, &ha->dpc_flags)) &&
2353 !test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) &&
2354 atomic_read(&ha->loop_state) != LOOP_DOWN) {
2355
2356 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
2357 ha->host_no));
2358
2359 next_loopid = 0;
2360 list_for_each_entry(fcport, &ha->fcports, list) {
1da177e4
LT		 2361 /*
2362 * If the port is not ONLINE then try to login
2363 * to it if we haven't run out of retries.
2364 */
2365 if (atomic_read(&fcport->state) != FCS_ONLINE &&
2366 fcport->login_retry) {
2367
1da177e4
LT		 2368 if (fcport->flags & FCF_FABRIC_DEVICE) {
2369 if (fcport->flags &
2370 FCF_TAPE_PRESENT)
fd34f556 2371 ha->isp_ops->fabric_logout(
1c7c6357
AV		 2372 ha, fcport->loop_id,
2373 fcport->d_id.b.domain,
2374 fcport->d_id.b.area,
2375 fcport->d_id.b.al_pa);
1da177e4
LT		 2376 status = qla2x00_fabric_login(
2377 ha, fcport, &next_loopid);
2378 } else
2379 status =
2380 qla2x00_local_device_login(
9a52a57c 2381 ha, fcport);
1da177e4 2382
63a8651f 2383 fcport->login_retry--;
1da177e4
LT		 2384 if (status == QLA_SUCCESS) {
2385 fcport->old_loop_id = fcport->loop_id;
2386
2387 DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n",
2388 ha->host_no, fcport->loop_id));
fa2a1ce5 2389
052c40c8 2390 qla2x00_update_fcport(ha,
2391 fcport);
1da177e4
LT		 2392 } else if (status == 1) {
2393 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
2394 /* retry the login again */
2395 DEBUG(printk("scsi(%ld): Retrying %d login again loop_id 0x%x\n",
2396 ha->host_no,
2397 fcport->login_retry, fcport->loop_id));
2398 } else {
2399 fcport->login_retry = 0;
2400 }
666301e6 2401 if (fcport->login_retry == 0 && status != QLA_SUCCESS)
63a8651f 2402 fcport->loop_id = FC_NO_LOOP_ID;
1da177e4
LT		 2403 }
2404 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2405 break;
2406 }
2407 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
2408 ha->host_no));
2409 }
2410
1da177e4
LT		 2411 if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
2412
2413 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
2414 ha->host_no));
2415
2416 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
2417 &ha->dpc_flags))) {
2418
2c3dfe3f 2419 rval = qla2x00_loop_resync(ha);
1da177e4
LT		 2420
2421 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
2422 }
2423
2424 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
2425 ha->host_no));
2426 }
2427
1da177e4 2428 if (!ha->interrupts_on)
fd34f556 2429 ha->isp_ops->enable_intrs(ha);
1da177e4 2430
f6df144c 2431 if (test_and_clear_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags))
fd34f556 2432 ha->isp_ops->beacon_blink(ha);
f6df144c 2433
2c3dfe3f
SJ		 2434 qla2x00_do_dpc_all_vps(ha);
2435
1da177e4
LT		 2436 ha->dpc_active = 0;
2437 } /* End of while(1) */
2438
2439 DEBUG(printk("scsi(%ld): DPC handler exiting\n", ha->host_no));
2440
2441 /*
2442 * Make sure that nobody tries to wake us up again.
2443 */
1da177e4
LT		 2444 ha->dpc_active = 0;
2445
39a11240
CH		 2446 return 0;
2447}
2448
2449void
2450qla2xxx_wake_dpc(scsi_qla_host_t *ha)
2451{
2452 if (ha->dpc_thread)
2453 wake_up_process(ha->dpc_thread);
1da177e4
LT		 2454}
2455
1da177e4
LT		 2456/*
2457* qla2x00_rst_aen
2458* Processes asynchronous reset.
2459*
2460* Input:
2461* ha = adapter block pointer.
2462*/
2463static void
fa2a1ce5 2464qla2x00_rst_aen(scsi_qla_host_t *ha)
1da177e4
LT		 2465{
2466 if (ha->flags.online && !ha->flags.reset_active &&
2467 !atomic_read(&ha->loop_down_timer) &&
2468 !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) {
2469 do {
2470 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
2471
2472 /*
2473 * Issue marker command only when we are going to start
2474 * the I/O.
2475 */
2476 ha->marker_needed = 1;
2477 } while (!atomic_read(&ha->loop_down_timer) &&
2478 (test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags)));
2479 }
2480}
2481
f4f051eb 2482static void
2483qla2x00_sp_free_dma(scsi_qla_host_t *ha, srb_t *sp)
2484{
2485 struct scsi_cmnd *cmd = sp->cmd;
2486
2487 if (sp->flags & SRB_DMA_VALID) {
385d70b4 2488 scsi_dma_unmap(cmd);
f4f051eb 2489 sp->flags &= ~SRB_DMA_VALID;
2490 }
fca29703 2491 CMD_SP(cmd) = NULL;
f4f051eb 2492}
2493
2494void
2495qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *sp)
2496{
2497 struct scsi_cmnd *cmd = sp->cmd;
2498
2499 qla2x00_sp_free_dma(ha, sp);
2500
f4f051eb 2501 mempool_free(sp, ha->srb_mempool);
2502
2503 cmd->scsi_done(cmd);
2504}
bdf79621 2505
1da177e4
LT		 2506/**************************************************************************
2507* qla2x00_timer
2508*
2509* Description:
2510* One second timer
2511*
2512* Context: Interrupt
2513***************************************************************************/
2c3dfe3f 2514void
1da177e4
LT		 2515qla2x00_timer(scsi_qla_host_t *ha)
2516{
1da177e4
LT		 2517 unsigned long cpu_flags = 0;
2518 fc_port_t *fcport;
1da177e4
LT		 2519 int start_dpc = 0;
2520 int index;
2521 srb_t *sp;
f4f051eb 2522 int t;
2c3dfe3f 2523 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4
LT		 2524
2525 /*
2526 * Ports - Port down timer.
2527 *
2528 * Whenever, a port is in the LOST state we start decrementing its port
2529 * down timer every second until it reaches zero. Once it reaches zero
fa2a1ce5 2530 * the port it marked DEAD.
1da177e4
LT		 2531 */
2532 t = 0;
2533 list_for_each_entry(fcport, &ha->fcports, list) {
2534 if (fcport->port_type != FCT_TARGET)
2535 continue;
2536
2537 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2538
2539 if (atomic_read(&fcport->port_down_timer) == 0)
2540 continue;
2541
fa2a1ce5 2542 if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
1da177e4 2543 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
fa2a1ce5 2544
1da177e4 2545 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
fca29703 2546 "%d remaining\n",
1da177e4
LT		 2547 ha->host_no,
2548 t, atomic_read(&fcport->port_down_timer)));
2549 }
2550 t++;
2551 } /* End of for fcport */
2552
1da177e4
LT		 2553
2554 /* Loop down handler. */
2555 if (atomic_read(&ha->loop_down_timer) > 0 &&
2556 !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) && ha->flags.online) {
2557
2558 if (atomic_read(&ha->loop_down_timer) ==
2559 ha->loop_down_abort_time) {
2560
2561 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2562 "queues before time expire\n",
2563 ha->host_no));
2564
2565 if (!IS_QLA2100(ha) && ha->link_down_timeout)
fa2a1ce5 2566 atomic_set(&ha->loop_state, LOOP_DEAD);
1da177e4
LT		 2567
2568 /* Schedule an ISP abort to return any tape commands. */
2c3dfe3f
SJ		 2569 /* NPIV - scan physical port only */
2570 if (!ha->parent) {
2571 spin_lock_irqsave(&ha->hardware_lock,
2572 cpu_flags);
2573 for (index = 1;
2574 index < MAX_OUTSTANDING_COMMANDS;
2575 index++) {
2576 fc_port_t *sfcp;
2577
2578 sp = ha->outstanding_cmds[index];
2579 if (!sp)
2580 continue;
2581 sfcp = sp->fcport;
2582 if (!(sfcp->flags & FCF_TAPE_PRESENT))
2583 continue;
bdf79621 2584
2c3dfe3f
SJ		 2585 set_bit(ISP_ABORT_NEEDED,
2586 &ha->dpc_flags);
2587 break;
2588 }
2589 spin_unlock_irqrestore(&ha->hardware_lock,
2590 cpu_flags);
1da177e4 2591 }
1da177e4
LT		 2592 set_bit(ABORT_QUEUES_NEEDED, &ha->dpc_flags);
2593 start_dpc++;
2594 }
2595
2596 /* if the loop has been down for 4 minutes, reinit adapter */
2597 if (atomic_dec_and_test(&ha->loop_down_timer) != 0) {
2598 DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - "
2599 "restarting queues.\n",
2600 ha->host_no));
2601
2602 set_bit(RESTART_QUEUES_NEEDED, &ha->dpc_flags);
2603 start_dpc++;
2604
463717ed
SJ		 2605 if (!(ha->device_flags & DFLG_NO_CABLE) &&
2606 !ha->parent) {
1da177e4
LT		 2607 DEBUG(printk("scsi(%ld): Loop down - "
2608 "aborting ISP.\n",
2609 ha->host_no));
2610 qla_printk(KERN_WARNING, ha,
2611 "Loop down - aborting ISP.\n");
2612
2613 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
2614 }
2615 }
fca29703 2616 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
1da177e4
LT		 2617 ha->host_no,
2618 atomic_read(&ha->loop_down_timer)));
2619 }
2620
f6df144c 2621 /* Check if beacon LED needs to be blinked */
2622 if (ha->beacon_blink_led == 1) {
2623 set_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags);
2624 start_dpc++;
2625 }
2626
550bf57d
AV		 2627 /* Process any deferred work. */
2628 if (!list_empty(&ha->work_list))
2629 start_dpc++;
2630
1da177e4
LT		 2631 /* Schedule the DPC routine if needed */
2632 if ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) ||
2633 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) ||
d97994dc 2634 test_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags) ||
1da177e4 2635 start_dpc ||
f4f051eb 2636 test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) ||
f6df144c 2637 test_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags) ||
2c3dfe3f 2638 test_bit(VP_DPC_NEEDED, &ha->dpc_flags) ||
39a11240 2639 test_bit(RELOGIN_NEEDED, &ha->dpc_flags)))
2c3dfe3f 2640 qla2xxx_wake_dpc(pha);
1da177e4
LT		 2641
2642 qla2x00_restart_timer(ha, WATCH_INTERVAL);
2643}
2644
5433383e
AV		 2645/* Firmware interface routines. */
2646
c3a2f0df 2647#define FW_BLOBS 6
5433383e
AV		 2648#define FW_ISP21XX 0
2649#define FW_ISP22XX 1
2650#define FW_ISP2300 2
2651#define FW_ISP2322 3
48c02fde 2652#define FW_ISP24XX 4
c3a2f0df 2653#define FW_ISP25XX 5
5433383e 2654
bb8ee499
AV		 2655#define FW_FILE_ISP21XX "ql2100_fw.bin"
2656#define FW_FILE_ISP22XX "ql2200_fw.bin"
2657#define FW_FILE_ISP2300 "ql2300_fw.bin"
2658#define FW_FILE_ISP2322 "ql2322_fw.bin"
2659#define FW_FILE_ISP24XX "ql2400_fw.bin"
c3a2f0df 2660#define FW_FILE_ISP25XX "ql2500_fw.bin"
bb8ee499 2661
e1e82b6f 2662static DEFINE_MUTEX(qla_fw_lock);
5433383e
AV		 2663
2664static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
bb8ee499
AV		 2665 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
2666 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
2667 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
2668 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
2669 { .name = FW_FILE_ISP24XX, },
c3a2f0df 2670 { .name = FW_FILE_ISP25XX, },
5433383e
AV		 2671};
2672
2673struct fw_blob *
2674qla2x00_request_firmware(scsi_qla_host_t *ha)
2675{
2676 struct fw_blob *blob;
2677
2678 blob = NULL;
2679 if (IS_QLA2100(ha)) {
2680 blob = &qla_fw_blobs[FW_ISP21XX];
2681 } else if (IS_QLA2200(ha)) {
2682 blob = &qla_fw_blobs[FW_ISP22XX];
48c02fde 2683 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
5433383e 2684 blob = &qla_fw_blobs[FW_ISP2300];
48c02fde 2685 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
5433383e 2686 blob = &qla_fw_blobs[FW_ISP2322];
4d4df193 2687 } else if (IS_QLA24XX_TYPE(ha)) {
5433383e 2688 blob = &qla_fw_blobs[FW_ISP24XX];
c3a2f0df
AV		 2689 } else if (IS_QLA25XX(ha)) {
2690 blob = &qla_fw_blobs[FW_ISP25XX];
5433383e
AV		 2691 }
2692
e1e82b6f 2693 mutex_lock(&qla_fw_lock);
5433383e
AV		 2694 if (blob->fw)
2695 goto out;
2696
2697 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
2698 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
2699 "(%s).\n", ha->host_no, blob->name));
2700 blob->fw = NULL;
2701 blob = NULL;
2702 goto out;
2703 }
2704
2705out:
e1e82b6f 2706 mutex_unlock(&qla_fw_lock);
5433383e
AV		 2707 return blob;
2708}
2709
2710static void
2711qla2x00_release_firmware(void)
2712{
2713 int idx;
2714
e1e82b6f 2715 mutex_lock(&qla_fw_lock);
5433383e
AV		 2716 for (idx = 0; idx < FW_BLOBS; idx++)
2717 if (qla_fw_blobs[idx].fw)
2718 release_firmware(qla_fw_blobs[idx].fw);
e1e82b6f 2719 mutex_unlock(&qla_fw_lock);
5433383e
AV		 2720}
2721
14e660e6
SJ		 2722static pci_ers_result_t
2723qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
2724{
2725 switch (state) {
2726 case pci_channel_io_normal:
2727 return PCI_ERS_RESULT_CAN_RECOVER;
2728 case pci_channel_io_frozen:
2729 pci_disable_device(pdev);
2730 return PCI_ERS_RESULT_NEED_RESET;
2731 case pci_channel_io_perm_failure:
2732 qla2x00_remove_one(pdev);
2733 return PCI_ERS_RESULT_DISCONNECT;
2734 }
2735 return PCI_ERS_RESULT_NEED_RESET;
2736}
2737
2738static pci_ers_result_t
2739qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
2740{
2741 int risc_paused = 0;
2742 uint32_t stat;
2743 unsigned long flags;
2744 scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2745 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2746 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
2747
2748 spin_lock_irqsave(&ha->hardware_lock, flags);
2749 if (IS_QLA2100(ha) || IS_QLA2200(ha)){
2750 stat = RD_REG_DWORD(&reg->hccr);
2751 if (stat & HCCR_RISC_PAUSE)
2752 risc_paused = 1;
2753 } else if (IS_QLA23XX(ha)) {
2754 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
2755 if (stat & HSR_RISC_PAUSED)
2756 risc_paused = 1;
2757 } else if (IS_FWI2_CAPABLE(ha)) {
2758 stat = RD_REG_DWORD(&reg24->host_status);
2759 if (stat & HSRX_RISC_PAUSED)
2760 risc_paused = 1;
2761 }
2762 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2763
2764 if (risc_paused) {
2765 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
2766 "Dumping firmware!\n");
2767 ha->isp_ops->fw_dump(ha, 0);
2768
2769 return PCI_ERS_RESULT_NEED_RESET;
2770 } else
2771 return PCI_ERS_RESULT_RECOVERED;
2772}
2773
2774static pci_ers_result_t
2775qla2xxx_pci_slot_reset(struct pci_dev *pdev)
2776{
2777 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
2778 scsi_qla_host_t *ha = pci_get_drvdata(pdev);
09483916
BH		 2779 int rc;
2780
2781 if (ha->mem_only)
2782 rc = pci_enable_device_mem(pdev);
2783 else
2784 rc = pci_enable_device(pdev);
14e660e6 2785
09483916 2786 if (rc) {
14e660e6
SJ		 2787 qla_printk(KERN_WARNING, ha,
2788 "Can't re-enable PCI device after reset.\n");
2789
2790 return ret;
2791 }
2792 pci_set_master(pdev);
2793
2794 if (ha->isp_ops->pci_config(ha))
2795 return ret;
2796
2797 set_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2798 if (qla2x00_abort_isp(ha)== QLA_SUCCESS)
2799 ret = PCI_ERS_RESULT_RECOVERED;
2800 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2801
2802 return ret;
2803}
2804
2805static void
2806qla2xxx_pci_resume(struct pci_dev *pdev)
2807{
2808 scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2809 int ret;
2810
2811 ret = qla2x00_wait_for_hba_online(ha);
2812 if (ret != QLA_SUCCESS) {
2813 qla_printk(KERN_ERR, ha,
2814 "the device failed to resume I/O "
2815 "from slot/link_reset");
2816 }
2817 pci_cleanup_aer_uncorrect_error_status(pdev);
2818}
2819
2820static struct pci_error_handlers qla2xxx_err_handler = {
2821 .error_detected = qla2xxx_pci_error_detected,
2822 .mmio_enabled = qla2xxx_pci_mmio_enabled,
2823 .slot_reset = qla2xxx_pci_slot_reset,
2824 .resume = qla2xxx_pci_resume,
2825};
2826
5433383e 2827static struct pci_device_id qla2xxx_pci_tbl[] = {
47f5e069
AV		 2828 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
2829 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
2830 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
2831 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
2832 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
2833 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
2834 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
2835 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
2836 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
4d4df193 2837 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
47f5e069
AV		 2838 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
2839 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
c3a2f0df 2840 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
5433383e
AV		 2841 { 0 },
2842};
2843MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
2844
fca29703 2845static struct pci_driver qla2xxx_pci_driver = {
cb63067a 2846 .name = QLA2XXX_DRIVER_NAME,
0a21ef1e
JB		 2847 .driver = {
2848 .owner = THIS_MODULE,
2849 },
fca29703 2850 .id_table = qla2xxx_pci_tbl,
7ee61397 2851 .probe = qla2x00_probe_one,
4c993f76 2852 .remove = qla2x00_remove_one,
14e660e6 2853 .err_handler = &qla2xxx_err_handler,
fca29703
AV		 2854};
2855
1da177e4
LT		 2856/**
2857 * qla2x00_module_init - Module initialization.
2858 **/
2859static int __init
2860qla2x00_module_init(void)
2861{
fca29703
AV		 2862 int ret = 0;
2863
1da177e4 2864 /* Allocate cache for SRBs. */
354d6b21 2865 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
20c2df83 2866 SLAB_HWCACHE_ALIGN, NULL);
1da177e4
LT		 2867 if (srb_cachep == NULL) {
2868 printk(KERN_ERR
2869 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
2870 return -ENOMEM;
2871 }
2872
2873 /* Derive version string. */
2874 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
11010fec 2875 if (ql2xextended_error_logging)
0181944f
AV		 2876 strcat(qla2x00_version_str, "-debug");
2877
1c97a12a
AV		 2878 qla2xxx_transport_template =
2879 fc_attach_transport(&qla2xxx_transport_functions);
2c3dfe3f
SJ		 2880 if (!qla2xxx_transport_template) {
2881 kmem_cache_destroy(srb_cachep);
1da177e4 2882 return -ENODEV;
2c3dfe3f
SJ		 2883 }
2884 qla2xxx_transport_vport_template =
2885 fc_attach_transport(&qla2xxx_transport_vport_functions);
2886 if (!qla2xxx_transport_vport_template) {
2887 kmem_cache_destroy(srb_cachep);
2888 fc_release_transport(qla2xxx_transport_template);
1da177e4 2889 return -ENODEV;
2c3dfe3f 2890 }
1da177e4 2891
fd9a29f0
AV		 2892 printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n",
2893 qla2x00_version_str);
7ee61397 2894 ret = pci_register_driver(&qla2xxx_pci_driver);
fca29703
AV		 2895 if (ret) {
2896 kmem_cache_destroy(srb_cachep);
2897 fc_release_transport(qla2xxx_transport_template);
2c3dfe3f 2898 fc_release_transport(qla2xxx_transport_vport_template);
fca29703
AV		 2899 }
2900 return ret;
1da177e4
LT		 2901}
2902
2903/**
2904 * qla2x00_module_exit - Module cleanup.
2905 **/
2906static void __exit
2907qla2x00_module_exit(void)
2908{
7ee61397 2909 pci_unregister_driver(&qla2xxx_pci_driver);
5433383e 2910 qla2x00_release_firmware();
354d6b21 2911 kmem_cache_destroy(srb_cachep);
1da177e4 2912 fc_release_transport(qla2xxx_transport_template);
2c3dfe3f 2913 fc_release_transport(qla2xxx_transport_vport_template);
1da177e4
LT		 2914}
2915
2916module_init(qla2x00_module_init);
2917module_exit(qla2x00_module_exit);
2918
2919MODULE_AUTHOR("QLogic Corporation");
2920MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
2921MODULE_LICENSE("GPL");
2922MODULE_VERSION(QLA2XXX_VERSION);
bb8ee499
AV		 2923MODULE_FIRMWARE(FW_FILE_ISP21XX);
2924MODULE_FIRMWARE(FW_FILE_ISP22XX);
2925MODULE_FIRMWARE(FW_FILE_ISP2300);
2926MODULE_FIRMWARE(FW_FILE_ISP2322);
2927MODULE_FIRMWARE(FW_FILE_ISP24XX);
61623fc3 2928MODULE_FIRMWARE(FW_FILE_ISP25XX);
Linux kernel - Deliverables
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