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[SCSI] qla2xxx: Add Flash Layout Table support.
[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
c9c5ced9 452 if (unlikely(pci_channel_offline(pha->pdev))) {
14e660e6
SJ		 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;
19851f13
AV		 783
784 if (ha->vp_idx != sp->fcport->ha->vp_idx)
523ec773
AV		 785 continue;
786 match = 0;
787 switch (type) {
788 case WAIT_HOST:
789 match = 1;
790 break;
791 case WAIT_TARGET:
792 match = sp->cmd->device->id == t;
793 break;
794 case WAIT_LUN:
795 match = (sp->cmd->device->id == t &&
796 sp->cmd->device->lun == l);
797 break;
1da177e4 798 }
523ec773
AV		 799 if (!match)
800 continue;
801
802 spin_unlock_irqrestore(&pha->hardware_lock, flags);
803 status = qla2x00_eh_wait_on_command(ha, sp->cmd);
804 spin_lock_irqsave(&pha->hardware_lock, flags);
1da177e4 805 }
523ec773
AV		 806 spin_unlock_irqrestore(&pha->hardware_lock, flags);
807
808 return status;
1da177e4
LT		 809}
810
523ec773
AV		 811static char *reset_errors[] = {
812 "HBA not online",
813 "HBA not ready",
814 "Task management failed",
815 "Waiting for command completions",
816};
1da177e4 817
e5f82ab8 818static int
523ec773
AV		 819__qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
820 struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int))
1da177e4 821{
f363b943 822 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
bdf79621 823 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
523ec773 824 int err;
1da177e4 825
07db5183
AV		 826 qla2x00_block_error_handler(cmd);
827
b0328bee 828 if (!fcport)
523ec773 829 return FAILED;
1da177e4 830
523ec773
AV		 831 qla_printk(KERN_INFO, ha, "scsi(%ld:%d:%d): %s RESET ISSUED.\n",
832 ha->host_no, cmd->device->id, cmd->device->lun, name);
1da177e4 833
523ec773 834 err = 0;
94d0e7b8 835 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
523ec773
AV		 836 goto eh_reset_failed;
837 err = 1;
838 if (qla2x00_wait_for_loop_ready(ha) != QLA_SUCCESS)
839 goto eh_reset_failed;
840 err = 2;
841 if (do_reset(fcport, cmd->device->lun) != QLA_SUCCESS)
842 goto eh_reset_failed;
843 err = 3;
844 if (qla2x00_eh_wait_for_pending_commands(ha, cmd->device->id,
845 cmd->device->lun, type) != QLA_SUCCESS)
846 goto eh_reset_failed;
847
848 qla_printk(KERN_INFO, ha, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n",
849 ha->host_no, cmd->device->id, cmd->device->lun, name);
850
851 return SUCCESS;
852
853 eh_reset_failed:
854 qla_printk(KERN_INFO, ha, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n",
855 ha->host_no, cmd->device->id, cmd->device->lun, name,
856 reset_errors[err]);
857 return FAILED;
858}
1da177e4 859
523ec773
AV		 860static int
861qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
862{
863 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
1da177e4 864
523ec773
AV		 865 return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
866 ha->isp_ops->lun_reset);
1da177e4
LT		 867}
868
1da177e4 869static int
523ec773 870qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1da177e4 871{
523ec773 872 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
1da177e4 873
523ec773
AV		 874 return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
875 ha->isp_ops->target_reset);
1da177e4
LT		 876}
877
1da177e4
LT		 878/**************************************************************************
879* qla2xxx_eh_bus_reset
880*
881* Description:
882* The bus reset function will reset the bus and abort any executing
883* commands.
884*
885* Input:
886* cmd = Linux SCSI command packet of the command that cause the
887* bus reset.
888*
889* Returns:
890* SUCCESS/FAILURE (defined as macro in scsi.h).
891*
892**************************************************************************/
e5f82ab8 893static int
1da177e4
LT		 894qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
895{
f363b943 896 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
2c3dfe3f 897 scsi_qla_host_t *pha = to_qla_parent(ha);
bdf79621 898 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
2c3dfe3f 899 int ret = FAILED;
f4f051eb 900 unsigned int id, lun;
901 unsigned long serial;
902
07db5183
AV		 903 qla2x00_block_error_handler(cmd);
904
f4f051eb 905 id = cmd->device->id;
906 lun = cmd->device->lun;
907 serial = cmd->serial_number;
1da177e4 908
b0328bee 909 if (!fcport)
f4f051eb 910 return ret;
1da177e4
LT		 911
912 qla_printk(KERN_INFO, ha,
f4f051eb 913 "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha->host_no, id, lun);
1da177e4 914
1da177e4
LT		 915 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) {
916 DEBUG2(printk("%s failed:board disabled\n",__func__));
f4f051eb 917 goto eh_bus_reset_done;
1da177e4
LT		 918 }
919
920 if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
f4f051eb 921 if (qla2x00_loop_reset(ha) == QLA_SUCCESS)
922 ret = SUCCESS;
1da177e4 923 }
f4f051eb 924 if (ret == FAILED)
925 goto eh_bus_reset_done;
1da177e4 926
9a41a62b 927 /* Flush outstanding commands. */
523ec773
AV		 928 if (qla2x00_eh_wait_for_pending_commands(pha, 0, 0, WAIT_HOST) !=
929 QLA_SUCCESS)
9a41a62b 930 ret = FAILED;
1da177e4 931
f4f051eb 932eh_bus_reset_done:
1da177e4 933 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
f4f051eb 934 (ret == FAILED) ? "failed" : "succeded");
1da177e4 935
f4f051eb 936 return ret;
1da177e4
LT		 937}
938
939/**************************************************************************
940* qla2xxx_eh_host_reset
941*
942* Description:
943* The reset function will reset the Adapter.
944*
945* Input:
946* cmd = Linux SCSI command packet of the command that cause the
947* adapter reset.
948*
949* Returns:
950* Either SUCCESS or FAILED.
951*
952* Note:
953**************************************************************************/
e5f82ab8 954static int
1da177e4
LT		 955qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
956{
f363b943 957 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
bdf79621 958 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
2c3dfe3f 959 int ret = FAILED;
f4f051eb 960 unsigned int id, lun;
961 unsigned long serial;
2c3dfe3f 962 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4 963
07db5183
AV		 964 qla2x00_block_error_handler(cmd);
965
f4f051eb 966 id = cmd->device->id;
967 lun = cmd->device->lun;
968 serial = cmd->serial_number;
969
b0328bee 970 if (!fcport)
f4f051eb 971 return ret;
1da177e4 972
1da177e4 973 qla_printk(KERN_INFO, ha,
f4f051eb 974 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha->host_no, id, lun);
1da177e4 975
1da177e4 976 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
f4f051eb 977 goto eh_host_reset_lock;
1da177e4
LT		 978
979 /*
980 * Fixme-may be dpc thread is active and processing
fa2a1ce5 981 * loop_resync,so wait a while for it to
1da177e4
LT		 982 * be completed and then issue big hammer.Otherwise
983 * it may cause I/O failure as big hammer marks the
984 * devices as lost kicking of the port_down_timer
985 * while dpc is stuck for the mailbox to complete.
986 */
1da177e4 987 qla2x00_wait_for_loop_ready(ha);
2c3dfe3f
SJ		 988 set_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
989 if (qla2x00_abort_isp(pha)) {
990 clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
1da177e4 991 /* failed. schedule dpc to try */
2c3dfe3f 992 set_bit(ISP_ABORT_NEEDED, &pha->dpc_flags);
1da177e4
LT		 993
994 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
f4f051eb 995 goto eh_host_reset_lock;
fa2a1ce5 996 }
2c3dfe3f 997 clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
1da177e4 998
1da177e4 999 /* Waiting for our command in done_queue to be returned to OS.*/
523ec773
AV		 1000 if (qla2x00_eh_wait_for_pending_commands(pha, 0, 0, WAIT_HOST) ==
1001 QLA_SUCCESS)
f4f051eb 1002 ret = SUCCESS;
1da177e4 1003
2c3dfe3f
SJ		 1004 if (ha->parent)
1005 qla2x00_vp_abort_isp(ha);
1006
f4f051eb 1007eh_host_reset_lock:
f4f051eb 1008 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1009 (ret == FAILED) ? "failed" : "succeded");
1da177e4 1010
f4f051eb 1011 return ret;
1012}
1da177e4
LT		 1013
1014/*
1015* qla2x00_loop_reset
1016* Issue loop reset.
1017*
1018* Input:
1019* ha = adapter block pointer.
1020*
1021* Returns:
1022* 0 = success
1023*/
a4722cf2 1024int
1da177e4
LT		 1025qla2x00_loop_reset(scsi_qla_host_t *ha)
1026{
0c8c39af 1027 int ret;
bdf79621 1028 struct fc_port *fcport;
1da177e4 1029
0c8c39af
AV		 1030 if (ha->flags.enable_lip_full_login) {
1031 ret = qla2x00_full_login_lip(ha);
1032 if (ret != QLA_SUCCESS) {
1033 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1034 "full_login_lip=%d.\n", __func__, ha->host_no,
1035 ret));
1036 }
1037 atomic_set(&ha->loop_state, LOOP_DOWN);
1038 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
1039 qla2x00_mark_all_devices_lost(ha, 0);
1040 qla2x00_wait_for_loop_ready(ha);
1041 }
1042
1da177e4 1043 if (ha->flags.enable_lip_reset) {
0c8c39af
AV		 1044 ret = qla2x00_lip_reset(ha);
1045 if (ret != QLA_SUCCESS) {
1046 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1047 "lip_reset=%d.\n", __func__, ha->host_no, ret));
1048 }
1049 qla2x00_wait_for_loop_ready(ha);
1da177e4
LT		 1050 }
1051
0c8c39af 1052 if (ha->flags.enable_target_reset) {
bdf79621 1053 list_for_each_entry(fcport, &ha->fcports, list) {
1054 if (fcport->port_type != FCT_TARGET)
1da177e4
LT		 1055 continue;
1056
523ec773 1057 ret = ha->isp_ops->target_reset(fcport, 0);
0c8c39af
AV		 1058 if (ret != QLA_SUCCESS) {
1059 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1060 "target_reset=%d d_id=%x.\n", __func__,
1061 ha->host_no, ret, fcport->d_id.b24));
1062 }
1da177e4
LT		 1063 }
1064 }
1065
1da177e4
LT		 1066 /* Issue marker command only when we are going to start the I/O */
1067 ha->marker_needed = 1;
1068
0c8c39af 1069 return QLA_SUCCESS;
1da177e4
LT		 1070}
1071
df4bf0bb
AV		 1072void
1073qla2x00_abort_all_cmds(scsi_qla_host_t *ha, int res)
1074{
1075 int cnt;
1076 unsigned long flags;
1077 srb_t *sp;
1078
1079 spin_lock_irqsave(&ha->hardware_lock, flags);
1080 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1081 sp = ha->outstanding_cmds[cnt];
1082 if (sp) {
1083 ha->outstanding_cmds[cnt] = NULL;
df4bf0bb 1084 sp->cmd->result = res;
df4bf0bb
AV		 1085 qla2x00_sp_compl(ha, sp);
1086 }
1087 }
1088 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1089}
1090
f4f051eb 1091static int
1092qla2xxx_slave_alloc(struct scsi_device *sdev)
1da177e4 1093{
bdf79621 1094 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1da177e4 1095
19a7b4ae 1096 if (!rport || fc_remote_port_chkready(rport))
f4f051eb 1097 return -ENXIO;
bdf79621 1098
19a7b4ae 1099 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1da177e4 1100
f4f051eb 1101 return 0;
1102}
1da177e4 1103
f4f051eb 1104static int
1105qla2xxx_slave_configure(struct scsi_device *sdev)
1106{
f363b943 1107 scsi_qla_host_t *ha = shost_priv(sdev->host);
8482e118 1108 struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1109
f4f051eb 1110 if (sdev->tagged_supported)
df7baa50 1111 scsi_activate_tcq(sdev, ha->max_q_depth);
f4f051eb 1112 else
df7baa50 1113 scsi_deactivate_tcq(sdev, ha->max_q_depth);
1da177e4 1114
85821c90 1115 rport->dev_loss_tmo = ha->port_down_retry_count;
8482e118 1116
f4f051eb 1117 return 0;
1118}
1da177e4 1119
f4f051eb 1120static void
1121qla2xxx_slave_destroy(struct scsi_device *sdev)
1122{
1123 sdev->hostdata = NULL;
1da177e4
LT		 1124}
1125
ce7e4af7
AV		 1126static int
1127qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
1128{
1129 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1130 return sdev->queue_depth;
1131}
1132
1133static int
1134qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1135{
1136 if (sdev->tagged_supported) {
1137 scsi_set_tag_type(sdev, tag_type);
1138 if (tag_type)
1139 scsi_activate_tcq(sdev, sdev->queue_depth);
1140 else
1141 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1142 } else
1143 tag_type = 0;
1144
1145 return tag_type;
1146}
1147
1da177e4
LT		 1148/**
1149 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1150 * @ha: HA context
1151 *
1152 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1153 * supported addressing method.
1154 */
1155static void
1156qla2x00_config_dma_addressing(scsi_qla_host_t *ha)
1157{
7524f9b9 1158 /* Assume a 32bit DMA mask. */
1da177e4 1159 ha->flags.enable_64bit_addressing = 0;
1da177e4 1160
7524f9b9
AV		 1161 if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) {
1162 /* Any upper-dword bits set? */
1163 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1164 !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) {
1165 /* Ok, a 64bit DMA mask is applicable. */
1da177e4 1166 ha->flags.enable_64bit_addressing = 1;
fd34f556
AV		 1167 ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1168 ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
7524f9b9 1169 return;
1da177e4 1170 }
1da177e4 1171 }
7524f9b9
AV		 1172
1173 dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK);
1174 pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK);
1da177e4
LT		 1175}
1176
fd34f556
AV		 1177static void
1178qla2x00_enable_intrs(scsi_qla_host_t *ha)
1179{
1180 unsigned long flags = 0;
1181 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1182
1183 spin_lock_irqsave(&ha->hardware_lock, flags);
1184 ha->interrupts_on = 1;
1185 /* enable risc and host interrupts */
1186 WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1187 RD_REG_WORD(&reg->ictrl);
1188 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1189
1190}
1191
1192static void
1193qla2x00_disable_intrs(scsi_qla_host_t *ha)
1194{
1195 unsigned long flags = 0;
1196 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1197
1198 spin_lock_irqsave(&ha->hardware_lock, flags);
1199 ha->interrupts_on = 0;
1200 /* disable risc and host interrupts */
1201 WRT_REG_WORD(&reg->ictrl, 0);
1202 RD_REG_WORD(&reg->ictrl);
1203 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1204}
1205
1206static void
1207qla24xx_enable_intrs(scsi_qla_host_t *ha)
1208{
1209 unsigned long flags = 0;
1210 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1211
1212 spin_lock_irqsave(&ha->hardware_lock, flags);
1213 ha->interrupts_on = 1;
1214 WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1215 RD_REG_DWORD(&reg->ictrl);
1216 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1217}
1218
1219static void
1220qla24xx_disable_intrs(scsi_qla_host_t *ha)
1221{
1222 unsigned long flags = 0;
1223 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1224
1225 spin_lock_irqsave(&ha->hardware_lock, flags);
1226 ha->interrupts_on = 0;
1227 WRT_REG_DWORD(&reg->ictrl, 0);
1228 RD_REG_DWORD(&reg->ictrl);
1229 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1230}
1231
1232static struct isp_operations qla2100_isp_ops = {
1233 .pci_config = qla2100_pci_config,
1234 .reset_chip = qla2x00_reset_chip,
1235 .chip_diag = qla2x00_chip_diag,
1236 .config_rings = qla2x00_config_rings,
1237 .reset_adapter = qla2x00_reset_adapter,
1238 .nvram_config = qla2x00_nvram_config,
1239 .update_fw_options = qla2x00_update_fw_options,
1240 .load_risc = qla2x00_load_risc,
1241 .pci_info_str = qla2x00_pci_info_str,
1242 .fw_version_str = qla2x00_fw_version_str,
1243 .intr_handler = qla2100_intr_handler,
1244 .enable_intrs = qla2x00_enable_intrs,
1245 .disable_intrs = qla2x00_disable_intrs,
1246 .abort_command = qla2x00_abort_command,
523ec773
AV		 1247 .target_reset = qla2x00_abort_target,
1248 .lun_reset = qla2x00_lun_reset,
fd34f556
AV		 1249 .fabric_login = qla2x00_login_fabric,
1250 .fabric_logout = qla2x00_fabric_logout,
1251 .calc_req_entries = qla2x00_calc_iocbs_32,
1252 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1253 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1254 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1255 .read_nvram = qla2x00_read_nvram_data,
1256 .write_nvram = qla2x00_write_nvram_data,
1257 .fw_dump = qla2100_fw_dump,
1258 .beacon_on = NULL,
1259 .beacon_off = NULL,
1260 .beacon_blink = NULL,
1261 .read_optrom = qla2x00_read_optrom_data,
1262 .write_optrom = qla2x00_write_optrom_data,
1263 .get_flash_version = qla2x00_get_flash_version,
1264};
1265
1266static struct isp_operations qla2300_isp_ops = {
1267 .pci_config = qla2300_pci_config,
1268 .reset_chip = qla2x00_reset_chip,
1269 .chip_diag = qla2x00_chip_diag,
1270 .config_rings = qla2x00_config_rings,
1271 .reset_adapter = qla2x00_reset_adapter,
1272 .nvram_config = qla2x00_nvram_config,
1273 .update_fw_options = qla2x00_update_fw_options,
1274 .load_risc = qla2x00_load_risc,
1275 .pci_info_str = qla2x00_pci_info_str,
1276 .fw_version_str = qla2x00_fw_version_str,
1277 .intr_handler = qla2300_intr_handler,
1278 .enable_intrs = qla2x00_enable_intrs,
1279 .disable_intrs = qla2x00_disable_intrs,
1280 .abort_command = qla2x00_abort_command,
523ec773
AV		 1281 .target_reset = qla2x00_abort_target,
1282 .lun_reset = qla2x00_lun_reset,
fd34f556
AV		 1283 .fabric_login = qla2x00_login_fabric,
1284 .fabric_logout = qla2x00_fabric_logout,
1285 .calc_req_entries = qla2x00_calc_iocbs_32,
1286 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1287 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1288 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1289 .read_nvram = qla2x00_read_nvram_data,
1290 .write_nvram = qla2x00_write_nvram_data,
1291 .fw_dump = qla2300_fw_dump,
1292 .beacon_on = qla2x00_beacon_on,
1293 .beacon_off = qla2x00_beacon_off,
1294 .beacon_blink = qla2x00_beacon_blink,
1295 .read_optrom = qla2x00_read_optrom_data,
1296 .write_optrom = qla2x00_write_optrom_data,
1297 .get_flash_version = qla2x00_get_flash_version,
1298};
1299
1300static struct isp_operations qla24xx_isp_ops = {
1301 .pci_config = qla24xx_pci_config,
1302 .reset_chip = qla24xx_reset_chip,
1303 .chip_diag = qla24xx_chip_diag,
1304 .config_rings = qla24xx_config_rings,
1305 .reset_adapter = qla24xx_reset_adapter,
1306 .nvram_config = qla24xx_nvram_config,
1307 .update_fw_options = qla24xx_update_fw_options,
1308 .load_risc = qla24xx_load_risc,
1309 .pci_info_str = qla24xx_pci_info_str,
1310 .fw_version_str = qla24xx_fw_version_str,
1311 .intr_handler = qla24xx_intr_handler,
1312 .enable_intrs = qla24xx_enable_intrs,
1313 .disable_intrs = qla24xx_disable_intrs,
1314 .abort_command = qla24xx_abort_command,
523ec773
AV		 1315 .target_reset = qla24xx_abort_target,
1316 .lun_reset = qla24xx_lun_reset,
fd34f556
AV		 1317 .fabric_login = qla24xx_login_fabric,
1318 .fabric_logout = qla24xx_fabric_logout,
1319 .calc_req_entries = NULL,
1320 .build_iocbs = NULL,
1321 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1322 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1323 .read_nvram = qla24xx_read_nvram_data,
1324 .write_nvram = qla24xx_write_nvram_data,
1325 .fw_dump = qla24xx_fw_dump,
1326 .beacon_on = qla24xx_beacon_on,
1327 .beacon_off = qla24xx_beacon_off,
1328 .beacon_blink = qla24xx_beacon_blink,
1329 .read_optrom = qla24xx_read_optrom_data,
1330 .write_optrom = qla24xx_write_optrom_data,
1331 .get_flash_version = qla24xx_get_flash_version,
1332};
1333
c3a2f0df
AV		 1334static struct isp_operations qla25xx_isp_ops = {
1335 .pci_config = qla25xx_pci_config,
1336 .reset_chip = qla24xx_reset_chip,
1337 .chip_diag = qla24xx_chip_diag,
1338 .config_rings = qla24xx_config_rings,
1339 .reset_adapter = qla24xx_reset_adapter,
1340 .nvram_config = qla24xx_nvram_config,
1341 .update_fw_options = qla24xx_update_fw_options,
1342 .load_risc = qla24xx_load_risc,
1343 .pci_info_str = qla24xx_pci_info_str,
1344 .fw_version_str = qla24xx_fw_version_str,
1345 .intr_handler = qla24xx_intr_handler,
1346 .enable_intrs = qla24xx_enable_intrs,
1347 .disable_intrs = qla24xx_disable_intrs,
1348 .abort_command = qla24xx_abort_command,
523ec773
AV		 1349 .target_reset = qla24xx_abort_target,
1350 .lun_reset = qla24xx_lun_reset,
c3a2f0df
AV		 1351 .fabric_login = qla24xx_login_fabric,
1352 .fabric_logout = qla24xx_fabric_logout,
1353 .calc_req_entries = NULL,
1354 .build_iocbs = NULL,
1355 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1356 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1357 .read_nvram = qla25xx_read_nvram_data,
1358 .write_nvram = qla25xx_write_nvram_data,
1359 .fw_dump = qla25xx_fw_dump,
1360 .beacon_on = qla24xx_beacon_on,
1361 .beacon_off = qla24xx_beacon_off,
1362 .beacon_blink = qla24xx_beacon_blink,
338c9161 1363 .read_optrom = qla25xx_read_optrom_data,
c3a2f0df
AV		 1364 .write_optrom = qla24xx_write_optrom_data,
1365 .get_flash_version = qla24xx_get_flash_version,
1366};
1367
ea5b6382 1368static inline void
1369qla2x00_set_isp_flags(scsi_qla_host_t *ha)
1370{
1371 ha->device_type = DT_EXTENDED_IDS;
1372 switch (ha->pdev->device) {
1373 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1374 ha->device_type |= DT_ISP2100;
1375 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1376 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382 1377 break;
1378 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1379 ha->device_type |= DT_ISP2200;
1380 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1381 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382 1382 break;
1383 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1384 ha->device_type |= DT_ISP2300;
4a59f71d 1385 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1386 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1387 break;
1388 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1389 ha->device_type |= DT_ISP2312;
4a59f71d 1390 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1391 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1392 break;
1393 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1394 ha->device_type |= DT_ISP2322;
4a59f71d 1395 ha->device_type |= DT_ZIO_SUPPORTED;
ea5b6382 1396 if (ha->pdev->subsystem_vendor == 0x1028 &&
1397 ha->pdev->subsystem_device == 0x0170)
1398 ha->device_type |= DT_OEM_001;
441d1072 1399 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1400 break;
1401 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1402 ha->device_type |= DT_ISP6312;
441d1072 1403 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1404 break;
1405 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1406 ha->device_type |= DT_ISP6322;
441d1072 1407 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1408 break;
1409 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1410 ha->device_type |= DT_ISP2422;
4a59f71d 1411 ha->device_type |= DT_ZIO_SUPPORTED;
e428924c 1412 ha->device_type |= DT_FWI2;
c76f2c01 1413 ha->device_type |= DT_IIDMA;
441d1072 1414 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1415 break;
1416 case PCI_DEVICE_ID_QLOGIC_ISP2432:
1417 ha->device_type |= DT_ISP2432;
4a59f71d 1418 ha->device_type |= DT_ZIO_SUPPORTED;
e428924c 1419 ha->device_type |= DT_FWI2;
c76f2c01 1420 ha->device_type |= DT_IIDMA;
441d1072 1421 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1422 break;
4d4df193
HK		 1423 case PCI_DEVICE_ID_QLOGIC_ISP8432:
1424 ha->device_type |= DT_ISP8432;
1425 ha->device_type |= DT_ZIO_SUPPORTED;
1426 ha->device_type |= DT_FWI2;
1427 ha->device_type |= DT_IIDMA;
1428 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1429 break;
044cc6c8 1430 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1431 ha->device_type |= DT_ISP5422;
e428924c 1432 ha->device_type |= DT_FWI2;
441d1072 1433 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1434 break;
044cc6c8 1435 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1436 ha->device_type |= DT_ISP5432;
e428924c 1437 ha->device_type |= DT_FWI2;
441d1072 1438 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1439 break;
c3a2f0df
AV		 1440 case PCI_DEVICE_ID_QLOGIC_ISP2532:
1441 ha->device_type |= DT_ISP2532;
1442 ha->device_type |= DT_ZIO_SUPPORTED;
1443 ha->device_type |= DT_FWI2;
1444 ha->device_type |= DT_IIDMA;
441d1072 1445 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1446 break;
1447 }
1448}
1449
1da177e4
LT		 1450static int
1451qla2x00_iospace_config(scsi_qla_host_t *ha)
1452{
3776541d 1453 resource_size_t pio;
1da177e4 1454
285d0321
AV		 1455 if (pci_request_selected_regions(ha->pdev, ha->bars,
1456 QLA2XXX_DRIVER_NAME)) {
1457 qla_printk(KERN_WARNING, ha,
1458 "Failed to reserve PIO/MMIO regions (%s)\n",
1459 pci_name(ha->pdev));
1460
1461 goto iospace_error_exit;
1462 }
1463 if (!(ha->bars & 1))
1464 goto skip_pio;
1465
1da177e4
LT		 1466 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1467 pio = pci_resource_start(ha->pdev, 0);
3776541d
AV		 1468 if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1469 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1da177e4
LT		 1470 qla_printk(KERN_WARNING, ha,
1471 "Invalid PCI I/O region size (%s)...\n",
1472 pci_name(ha->pdev));
1473 pio = 0;
1474 }
1475 } else {
1476 qla_printk(KERN_WARNING, ha,
1477 "region #0 not a PIO resource (%s)...\n",
1478 pci_name(ha->pdev));
1479 pio = 0;
1480 }
285d0321 1481 ha->pio_address = pio;
1da177e4 1482
285d0321 1483skip_pio:
1da177e4 1484 /* Use MMIO operations for all accesses. */
3776541d 1485 if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1da177e4 1486 qla_printk(KERN_ERR, ha,
3776541d 1487 "region #1 not an MMIO resource (%s), aborting\n",
1da177e4
LT		 1488 pci_name(ha->pdev));
1489 goto iospace_error_exit;
1490 }
3776541d 1491 if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1da177e4
LT		 1492 qla_printk(KERN_ERR, ha,
1493 "Invalid PCI mem region size (%s), aborting\n",
1494 pci_name(ha->pdev));
1495 goto iospace_error_exit;
1496 }
1497
3776541d 1498 ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1da177e4
LT		 1499 if (!ha->iobase) {
1500 qla_printk(KERN_ERR, ha,
1501 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1502
1503 goto iospace_error_exit;
1504 }
1505
1506 return (0);
1507
1508iospace_error_exit:
1509 return (-ENOMEM);
1510}
1511
1e99e33a
AV		 1512static void
1513qla2xxx_scan_start(struct Scsi_Host *shost)
1514{
f363b943 1515 scsi_qla_host_t *ha = shost_priv(shost);
1e99e33a
AV		 1516
1517 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
1518 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1519 set_bit(RSCN_UPDATE, &ha->dpc_flags);
1520}
1521
1522static int
1523qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1524{
f363b943 1525 scsi_qla_host_t *ha = shost_priv(shost);
1e99e33a
AV		 1526
1527 if (!ha->host)
1528 return 1;
1529 if (time > ha->loop_reset_delay * HZ)
1530 return 1;
1531
1532 return atomic_read(&ha->loop_state) == LOOP_READY;
1533}
1534
1da177e4
LT		 1535/*
1536 * PCI driver interface
1537 */
7ee61397
AV		 1538static int __devinit
1539qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1da177e4 1540{
a1541d5a 1541 int ret = -ENODEV;
1da177e4
LT		 1542 struct Scsi_Host *host;
1543 scsi_qla_host_t *ha;
29856e28 1544 char pci_info[30];
1da177e4 1545 char fw_str[30];
5433383e 1546 struct scsi_host_template *sht;
09483916 1547 int bars, mem_only = 0;
1da177e4 1548
285d0321 1549 bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
5433383e
AV		 1550 sht = &qla2x00_driver_template;
1551 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
8bc69e7d 1552 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
4d4df193 1553 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
8bc69e7d 1554 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
c3a2f0df 1555 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
285d0321
AV		 1556 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532) {
1557 bars = pci_select_bars(pdev, IORESOURCE_MEM);
5433383e 1558 sht = &qla24xx_driver_template;
09483916 1559 mem_only = 1;
285d0321
AV		 1560 }
1561
09483916
BH		 1562 if (mem_only) {
1563 if (pci_enable_device_mem(pdev))
1564 goto probe_out;
1565 } else {
1566 if (pci_enable_device(pdev))
1567 goto probe_out;
1568 }
285d0321
AV		 1569
1570 if (pci_find_aer_capability(pdev))
1571 if (pci_enable_pcie_error_reporting(pdev))
1572 goto probe_out;
1573
5433383e 1574 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
1da177e4
LT		 1575 if (host == NULL) {
1576 printk(KERN_WARNING
1577 "qla2xxx: Couldn't allocate host from scsi layer!\n");
1578 goto probe_disable_device;
1579 }
1580
1581 /* Clear our data area */
f363b943 1582 ha = shost_priv(host);
1da177e4
LT		 1583 memset(ha, 0, sizeof(scsi_qla_host_t));
1584
1585 ha->pdev = pdev;
1586 ha->host = host;
1587 ha->host_no = host->host_no;
cb63067a 1588 sprintf(ha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, ha->host_no);
2c3dfe3f 1589 ha->parent = NULL;
285d0321 1590 ha->bars = bars;
09483916 1591 ha->mem_only = mem_only;
df4bf0bb 1592 spin_lock_init(&ha->hardware_lock);
1da177e4 1593
ea5b6382 1594 /* Set ISP-type information. */
1595 qla2x00_set_isp_flags(ha);
1596
1da177e4
LT		 1597 /* Configure PCI I/O space */
1598 ret = qla2x00_iospace_config(ha);
a1541d5a
AV		 1599 if (ret)
1600 goto probe_failed;
1da177e4 1601
1da177e4 1602 qla_printk(KERN_INFO, ha,
5433383e
AV		 1603 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1604 ha->iobase);
1da177e4 1605
1da177e4 1606 ha->prev_topology = 0;
fca29703 1607 ha->init_cb_size = sizeof(init_cb_t);
2c3dfe3f 1608 ha->mgmt_svr_loop_id = MANAGEMENT_SERVER + ha->vp_idx;
d8b45213 1609 ha->link_data_rate = PORT_SPEED_UNKNOWN;
854165f4 1610 ha->optrom_size = OPTROM_SIZE_2300;
1da177e4 1611
df7baa50
AV		 1612 ha->max_q_depth = MAX_Q_DEPTH;
1613 if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
1614 ha->max_q_depth = ql2xmaxqdepth;
1615
abbd8870 1616 /* Assign ISP specific operations. */
1da177e4 1617 if (IS_QLA2100(ha)) {
354d6b21 1618 host->max_id = MAX_TARGETS_2100;
1da177e4
LT		 1619 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
1620 ha->request_q_length = REQUEST_ENTRY_CNT_2100;
1621 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1622 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
1623 host->sg_tablesize = 32;
abbd8870 1624 ha->gid_list_info_size = 4;
fd34f556 1625 ha->isp_ops = &qla2100_isp_ops;
1da177e4 1626 } else if (IS_QLA2200(ha)) {
354d6b21 1627 host->max_id = MAX_TARGETS_2200;
1da177e4
LT		 1628 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1629 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1630 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1631 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
abbd8870 1632 ha->gid_list_info_size = 4;
fd34f556 1633 ha->isp_ops = &qla2100_isp_ops;
fca29703 1634 } else if (IS_QLA23XX(ha)) {
354d6b21 1635 host->max_id = MAX_TARGETS_2200;
1da177e4
LT		 1636 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1637 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1638 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1639 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
abbd8870 1640 ha->gid_list_info_size = 6;
854165f4 1641 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1642 ha->optrom_size = OPTROM_SIZE_2322;
fd34f556 1643 ha->isp_ops = &qla2300_isp_ops;
4d4df193 1644 } else if (IS_QLA24XX_TYPE(ha)) {
fca29703
AV		 1645 host->max_id = MAX_TARGETS_2200;
1646 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1647 ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
1648 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1649 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
2c3dfe3f
SJ		 1650 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1651 ha->mgmt_svr_loop_id = 10 + ha->vp_idx;
fca29703 1652 ha->gid_list_info_size = 8;
854165f4 1653 ha->optrom_size = OPTROM_SIZE_24XX;
fd34f556 1654 ha->isp_ops = &qla24xx_isp_ops;
c3a2f0df
AV		 1655 } else if (IS_QLA25XX(ha)) {
1656 host->max_id = MAX_TARGETS_2200;
1657 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1658 ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
1659 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1660 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1661 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1662 ha->mgmt_svr_loop_id = 10 + ha->vp_idx;
1663 ha->gid_list_info_size = 8;
1664 ha->optrom_size = OPTROM_SIZE_25XX;
1665 ha->isp_ops = &qla25xx_isp_ops;
1da177e4
LT		 1666 }
1667 host->can_queue = ha->request_q_length + 128;
1668
6c2f527c 1669 mutex_init(&ha->vport_lock);
0b05a1f0
MB		 1670 init_completion(&ha->mbx_cmd_comp);
1671 complete(&ha->mbx_cmd_comp);
1672 init_completion(&ha->mbx_intr_comp);
1da177e4
LT		 1673
1674 INIT_LIST_HEAD(&ha->list);
1675 INIT_LIST_HEAD(&ha->fcports);
2c3dfe3f 1676 INIT_LIST_HEAD(&ha->vp_list);
0971de7f 1677 INIT_LIST_HEAD(&ha->work_list);
2c3dfe3f
SJ		 1678
1679 set_bit(0, (unsigned long *) ha->vp_idx_map);
1da177e4 1680
1da177e4
LT		 1681 qla2x00_config_dma_addressing(ha);
1682 if (qla2x00_mem_alloc(ha)) {
1683 qla_printk(KERN_WARNING, ha,
1684 "[ERROR] Failed to allocate memory for adapter\n");
1685
a1541d5a
AV		 1686 ret = -ENOMEM;
1687 goto probe_failed;
1da177e4
LT		 1688 }
1689
765140bf 1690 if (qla2x00_initialize_adapter(ha)) {
1da177e4
LT		 1691 qla_printk(KERN_WARNING, ha,
1692 "Failed to initialize adapter\n");
1693
1694 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1695 "Adapter flags %x.\n",
1696 ha->host_no, ha->device_flags));
1697
a1541d5a 1698 ret = -ENODEV;
1da177e4
LT		 1699 goto probe_failed;
1700 }
1701
1702 /*
1703 * Startup the kernel thread for this host adapter
1704 */
39a11240
CH		 1705 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
1706 "%s_dpc", ha->host_str);
1707 if (IS_ERR(ha->dpc_thread)) {
1da177e4
LT		 1708 qla_printk(KERN_WARNING, ha,
1709 "Unable to start DPC thread!\n");
39a11240 1710 ret = PTR_ERR(ha->dpc_thread);
1da177e4
LT		 1711 goto probe_failed;
1712 }
1da177e4 1713
a1541d5a
AV		 1714 host->this_id = 255;
1715 host->cmd_per_lun = 3;
711c1d91 1716 host->unique_id = host->host_no;
a1541d5a 1717 host->max_cmd_len = MAX_CMDSZ;
75bc4190 1718 host->max_channel = MAX_BUSES - 1;
a1541d5a
AV		 1719 host->max_lun = MAX_LUNS;
1720 host->transportt = qla2xxx_transport_template;
1721
a8488abe
AV		 1722 ret = qla2x00_request_irqs(ha);
1723 if (ret)
1da177e4 1724 goto probe_failed;
1da177e4
LT		 1725
1726 /* Initialized the timer */
1727 qla2x00_start_timer(ha, qla2x00_timer, WATCH_INTERVAL);
1728
1729 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
1730 ha->host_no, ha));
1731
a1541d5a 1732 pci_set_drvdata(pdev, ha);
d19044c3 1733
1da177e4 1734 ha->flags.init_done = 1;
d19044c3
AV		 1735 ha->flags.online = 1;
1736
a1541d5a
AV		 1737 ret = scsi_add_host(host, &pdev->dev);
1738 if (ret)
1739 goto probe_failed;
1740
048feec5
AV		 1741 ha->isp_ops->enable_intrs(ha);
1742
1e99e33a
AV		 1743 scsi_scan_host(host);
1744
a1541d5a
AV		 1745 qla2x00_alloc_sysfs_attr(ha);
1746
1747 qla2x00_init_host_attr(ha);
1748
df613b96
AV		 1749 qla2x00_dfs_setup(ha);
1750
1da177e4
LT		 1751 qla_printk(KERN_INFO, ha, "\n"
1752 " QLogic Fibre Channel HBA Driver: %s\n"
1753 " QLogic %s - %s\n"
5433383e
AV		 1754 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
1755 qla2x00_version_str, ha->model_number,
1756 ha->model_desc ? ha->model_desc: "", pdev->device,
fd34f556 1757 ha->isp_ops->pci_info_str(ha, pci_info), pci_name(pdev),
5433383e 1758 ha->flags.enable_64bit_addressing ? '+': '-', ha->host_no,
fd34f556 1759 ha->isp_ops->fw_version_str(ha, fw_str));
1da177e4 1760
1da177e4
LT		 1761 return 0;
1762
1763probe_failed:
1764 qla2x00_free_device(ha);
1765
1766 scsi_host_put(host);
1767
1768probe_disable_device:
1769 pci_disable_device(pdev);
1770
a1541d5a
AV		 1771probe_out:
1772 return ret;
1da177e4 1773}
1da177e4 1774
4c993f76 1775static void
7ee61397 1776qla2x00_remove_one(struct pci_dev *pdev)
1da177e4 1777{
c795c1e4 1778 scsi_qla_host_t *ha, *vha, *temp;
1da177e4
LT		 1779
1780 ha = pci_get_drvdata(pdev);
1781
c795c1e4
AV		 1782 list_for_each_entry_safe(vha, temp, &ha->vp_list, vp_list)
1783 fc_vport_terminate(vha->fc_vport);
1784
1785 set_bit(UNLOADING, &ha->dpc_flags);
1786
df613b96
AV		 1787 qla2x00_dfs_remove(ha);
1788
4d4df193
HK		 1789 qla84xx_put_chip(ha);
1790
8482e118 1791 qla2x00_free_sysfs_attr(ha);
1da177e4 1792
bdf79621 1793 fc_remove_host(ha->host);
1794
1da177e4
LT		 1795 scsi_remove_host(ha->host);
1796
1797 qla2x00_free_device(ha);
1798
1799 scsi_host_put(ha->host);
1800
665db93b 1801 pci_disable_device(pdev);
1da177e4
LT		 1802 pci_set_drvdata(pdev, NULL);
1803}
1da177e4
LT		 1804
1805static void
1806qla2x00_free_device(scsi_qla_host_t *ha)
1807{
df4bf0bb
AV		 1808 qla2x00_abort_all_cmds(ha, DID_NO_CONNECT << 16);
1809
1da177e4
LT		 1810 /* Disable timer */
1811 if (ha->timer_active)
1812 qla2x00_stop_timer(ha);
1813
df4bf0bb
AV		 1814 ha->flags.online = 0;
1815
1da177e4 1816 /* Kill the kernel thread for this host */
39a11240
CH		 1817 if (ha->dpc_thread) {
1818 struct task_struct *t = ha->dpc_thread;
1da177e4 1819
39a11240
CH		 1820 /*
1821 * qla2xxx_wake_dpc checks for ->dpc_thread
1822 * so we need to zero it out.
1823 */
1824 ha->dpc_thread = NULL;
1825 kthread_stop(t);
1da177e4
LT		 1826 }
1827
df613b96
AV		 1828 if (ha->flags.fce_enabled)
1829 qla2x00_disable_fce_trace(ha, NULL, NULL);
1830
a7a167bf 1831 if (ha->eft)
00b6bd25 1832 qla2x00_disable_eft_trace(ha);
a7a167bf 1833
f6ef3b18 1834 /* Stop currently executing firmware. */
18c6c127 1835 qla2x00_try_to_stop_firmware(ha);
1da177e4 1836
f6ef3b18
AV		 1837 /* turn-off interrupts on the card */
1838 if (ha->interrupts_on)
fd34f556 1839 ha->isp_ops->disable_intrs(ha);
f6ef3b18
AV		 1840
1841 qla2x00_mem_free(ha);
1da177e4 1842
a8488abe 1843 qla2x00_free_irqs(ha);
1da177e4
LT		 1844
1845 /* release io space registers */
1846 if (ha->iobase)
1847 iounmap(ha->iobase);
285d0321 1848 pci_release_selected_regions(ha->pdev, ha->bars);
1da177e4
LT		 1849}
1850
d97994dc 1851static inline void
1852qla2x00_schedule_rport_del(struct scsi_qla_host *ha, fc_port_t *fcport,
1853 int defer)
1854{
d97994dc 1855 struct fc_rport *rport;
5de1f70f 1856 scsi_qla_host_t *pha = to_qla_parent(ha);
d97994dc 1857
1858 if (!fcport->rport)
1859 return;
1860
1861 rport = fcport->rport;
1862 if (defer) {
5f3a9a20 1863 spin_lock_irq(ha->host->host_lock);
d97994dc 1864 fcport->drport = rport;
5f3a9a20 1865 spin_unlock_irq(ha->host->host_lock);
5de1f70f
SJ		 1866 set_bit(FCPORT_UPDATE_NEEDED, &pha->dpc_flags);
1867 qla2xxx_wake_dpc(pha);
5f3a9a20 1868 } else
d97994dc 1869 fc_remote_port_delete(rport);
d97994dc 1870}
1871
1da177e4
LT		 1872/*
1873 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
1874 *
1875 * Input: ha = adapter block pointer. fcport = port structure pointer.
1876 *
1877 * Return: None.
1878 *
1879 * Context:
1880 */
1881void qla2x00_mark_device_lost(scsi_qla_host_t *ha, fc_port_t *fcport,
d97994dc 1882 int do_login, int defer)
1da177e4 1883{
2c3dfe3f
SJ		 1884 if (atomic_read(&fcport->state) == FCS_ONLINE &&
1885 ha->vp_idx == fcport->vp_idx)
d97994dc 1886 qla2x00_schedule_rport_del(ha, fcport, defer);
19a7b4ae 1887
fa2a1ce5 1888 /*
1da177e4
LT		 1889 * We may need to retry the login, so don't change the state of the
1890 * port but do the retries.
1891 */
1892 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
1893 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1894
1895 if (!do_login)
1896 return;
1897
1898 if (fcport->login_retry == 0) {
1899 fcport->login_retry = ha->login_retry_count;
1900 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
1901
1902 DEBUG(printk("scsi(%ld): Port login retry: "
1903 "%02x%02x%02x%02x%02x%02x%02x%02x, "
1904 "id = 0x%04x retry cnt=%d\n",
1905 ha->host_no,
1906 fcport->port_name[0],
1907 fcport->port_name[1],
1908 fcport->port_name[2],
1909 fcport->port_name[3],
1910 fcport->port_name[4],
1911 fcport->port_name[5],
1912 fcport->port_name[6],
1913 fcport->port_name[7],
1914 fcport->loop_id,
1915 fcport->login_retry));
1916 }
1917}
1918
1919/*
1920 * qla2x00_mark_all_devices_lost
1921 * Updates fcport state when device goes offline.
1922 *
1923 * Input:
1924 * ha = adapter block pointer.
1925 * fcport = port structure pointer.
1926 *
1927 * Return:
1928 * None.
1929 *
1930 * Context:
1931 */
1932void
d97994dc 1933qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha, int defer)
1da177e4
LT		 1934{
1935 fc_port_t *fcport;
2c3dfe3f 1936 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4 1937
2c3dfe3f 1938 list_for_each_entry(fcport, &pha->fcports, list) {
8f0d6436 1939 if (ha->vp_idx != fcport->vp_idx)
1da177e4 1940 continue;
1da177e4
LT		 1941 /*
1942 * No point in marking the device as lost, if the device is
1943 * already DEAD.
1944 */
1945 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
1946 continue;
8f0d6436
SJ		 1947 if (atomic_read(&fcport->state) == FCS_ONLINE)
1948 qla2x00_schedule_rport_del(ha, fcport, defer);
1da177e4
LT		 1949 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1950 }
1951}
1952
1953/*
1954* qla2x00_mem_alloc
1955* Allocates adapter memory.
1956*
1957* Returns:
1958* 0 = success.
e8711085 1959* !0 = failure.
1da177e4 1960*/
e8711085 1961static int
1da177e4
LT		 1962qla2x00_mem_alloc(scsi_qla_host_t *ha)
1963{
1964 char name[16];
1da177e4 1965
e8711085
AV		 1966 ha->request_ring = dma_alloc_coherent(&ha->pdev->dev,
1967 (ha->request_q_length + 1) * sizeof(request_t), &ha->request_dma,
1968 GFP_KERNEL);
1969 if (!ha->request_ring)
1970 goto fail;
1971
1972 ha->response_ring = dma_alloc_coherent(&ha->pdev->dev,
1973 (ha->response_q_length + 1) * sizeof(response_t),
1974 &ha->response_dma, GFP_KERNEL);
1975 if (!ha->response_ring)
1976 goto fail_free_request_ring;
1977
1978 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
1979 &ha->gid_list_dma, GFP_KERNEL);
1980 if (!ha->gid_list)
1981 goto fail_free_response_ring;
1982
1983 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
1984 &ha->init_cb_dma, GFP_KERNEL);
1985 if (!ha->init_cb)
1986 goto fail_free_gid_list;
1987
1988 snprintf(name, sizeof(name), "%s_%ld", QLA2XXX_DRIVER_NAME,
1989 ha->host_no);
1990 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
1991 DMA_POOL_SIZE, 8, 0);
1992 if (!ha->s_dma_pool)
1993 goto fail_free_init_cb;
1da177e4 1994
e8711085
AV		 1995 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
1996 if (!ha->srb_mempool)
1997 goto fail_free_s_dma_pool;
1998
1999 /* Get memory for cached NVRAM */
2000 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2001 if (!ha->nvram)
2002 goto fail_free_srb_mempool;
2003
2004 /* Allocate memory for SNS commands */
2005 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2006 /* Get consistent memory allocated for SNS commands */
2007 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
2008 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
2009 if (!ha->sns_cmd)
2010 goto fail_free_nvram;
2011 } else {
2012 /* Get consistent memory allocated for MS IOCB */
2013 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2014 &ha->ms_iocb_dma);
2015 if (!ha->ms_iocb)
2016 goto fail_free_nvram;
2017
2018 /* Get consistent memory allocated for CT SNS commands */
2019 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
2020 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
2021 if (!ha->ct_sns)
2022 goto fail_free_ms_iocb;
1da177e4
LT		 2023 }
2024
e8711085
AV		 2025 return 0;
2026
2027fail_free_ms_iocb:
2028 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2029 ha->ms_iocb = NULL;
2030 ha->ms_iocb_dma = 0;
2031fail_free_nvram:
2032 kfree(ha->nvram);
2033 ha->nvram = NULL;
2034fail_free_srb_mempool:
2035 mempool_destroy(ha->srb_mempool);
2036 ha->srb_mempool = NULL;
2037fail_free_s_dma_pool:
2038 dma_pool_destroy(ha->s_dma_pool);
2039 ha->s_dma_pool = NULL;
2040fail_free_init_cb:
2041 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
2042 ha->init_cb_dma);
2043 ha->init_cb = NULL;
2044 ha->init_cb_dma = 0;
2045fail_free_gid_list:
2046 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2047 ha->gid_list_dma);
2048 ha->gid_list = NULL;
2049 ha->gid_list_dma = 0;
2050fail_free_response_ring:
2051 dma_free_coherent(&ha->pdev->dev, (ha->response_q_length + 1) *
2052 sizeof(response_t), ha->response_ring, ha->response_dma);
2053 ha->response_ring = NULL;
2054 ha->response_dma = 0;
2055fail_free_request_ring:
2056 dma_free_coherent(&ha->pdev->dev, (ha->request_q_length + 1) *
2057 sizeof(request_t), ha->request_ring, ha->request_dma);
2058 ha->request_ring = NULL;
2059 ha->request_dma = 0;
2060fail:
2061 return -ENOMEM;
1da177e4
LT		 2062}
2063
2064/*
2065* qla2x00_mem_free
2066* Frees all adapter allocated memory.
2067*
2068* Input:
2069* ha = adapter block pointer.
2070*/
a824ebb3 2071static void
1da177e4
LT		 2072qla2x00_mem_free(scsi_qla_host_t *ha)
2073{
1da177e4
LT		 2074 struct list_head *fcpl, *fcptemp;
2075 fc_port_t *fcport;
1da177e4 2076
e8711085
AV		 2077 if (ha->srb_mempool)
2078 mempool_destroy(ha->srb_mempool);
1da177e4 2079
df613b96
AV		 2080 if (ha->fce)
2081 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
2082 ha->fce_dma);
2083
a7a167bf
AV		 2084 if (ha->fw_dump) {
2085 if (ha->eft)
2086 dma_free_coherent(&ha->pdev->dev,
2087 ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
2088 vfree(ha->fw_dump);
2089 }
2090
1da177e4
LT		 2091 if (ha->sns_cmd)
2092 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2093 ha->sns_cmd, ha->sns_cmd_dma);
2094
2095 if (ha->ct_sns)
2096 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2097 ha->ct_sns, ha->ct_sns_dma);
2098
88729e53
AV		 2099 if (ha->sfp_data)
2100 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2101
1da177e4
LT		 2102 if (ha->ms_iocb)
2103 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2104
1da177e4
LT		 2105 if (ha->s_dma_pool)
2106 dma_pool_destroy(ha->s_dma_pool);
2107
2c3dfe3f
SJ		 2108 if (ha->init_cb)
2109 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2110 ha->init_cb, ha->init_cb_dma);
2111
1da177e4
LT		 2112 if (ha->gid_list)
2113 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2114 ha->gid_list_dma);
2115
2116 if (ha->response_ring)
2117 dma_free_coherent(&ha->pdev->dev,
2118 (ha->response_q_length + 1) * sizeof(response_t),
2119 ha->response_ring, ha->response_dma);
2120
2121 if (ha->request_ring)
2122 dma_free_coherent(&ha->pdev->dev,
2123 (ha->request_q_length + 1) * sizeof(request_t),
2124 ha->request_ring, ha->request_dma);
2125
e8711085 2126 ha->srb_mempool = NULL;
a7a167bf
AV		 2127 ha->eft = NULL;
2128 ha->eft_dma = 0;
1da177e4
LT		 2129 ha->sns_cmd = NULL;
2130 ha->sns_cmd_dma = 0;
2131 ha->ct_sns = NULL;
2132 ha->ct_sns_dma = 0;
2133 ha->ms_iocb = NULL;
2134 ha->ms_iocb_dma = 0;
1da177e4
LT		 2135 ha->init_cb = NULL;
2136 ha->init_cb_dma = 0;
2137
2138 ha->s_dma_pool = NULL;
2139
1da177e4
LT		 2140 ha->gid_list = NULL;
2141 ha->gid_list_dma = 0;
2142
2143 ha->response_ring = NULL;
2144 ha->response_dma = 0;
2145 ha->request_ring = NULL;
2146 ha->request_dma = 0;
2147
2148 list_for_each_safe(fcpl, fcptemp, &ha->fcports) {
2149 fcport = list_entry(fcpl, fc_port_t, list);
2150
1da177e4
LT		 2151 /* fc ports */
2152 list_del_init(&fcport->list);
2153 kfree(fcport);
2154 }
2155 INIT_LIST_HEAD(&ha->fcports);
2156
1da177e4 2157 ha->fw_dump = NULL;
fca29703 2158 ha->fw_dumped = 0;
1da177e4 2159 ha->fw_dump_reading = 0;
854165f4 2160
2161 vfree(ha->optrom_buffer);
53772a2c 2162 kfree(ha->nvram);
1da177e4
LT		 2163}
2164
01ef66bb 2165static struct qla_work_evt *
0971de7f
AV		 2166qla2x00_alloc_work(struct scsi_qla_host *ha, enum qla_work_type type,
2167 int locked)
2168{
2169 struct qla_work_evt *e;
2170
2171 e = kzalloc(sizeof(struct qla_work_evt), locked ? GFP_ATOMIC:
2172 GFP_KERNEL);
2173 if (!e)
2174 return NULL;
2175
2176 INIT_LIST_HEAD(&e->list);
2177 e->type = type;
2178 e->flags = QLA_EVT_FLAG_FREE;
2179 return e;
2180}
2181
01ef66bb 2182static int
0971de7f
AV		 2183qla2x00_post_work(struct scsi_qla_host *ha, struct qla_work_evt *e, int locked)
2184{
bf6583b5 2185 unsigned long uninitialized_var(flags);
08b95a12 2186 scsi_qla_host_t *pha = to_qla_parent(ha);
0971de7f
AV		 2187
2188 if (!locked)
08b95a12 2189 spin_lock_irqsave(&pha->hardware_lock, flags);
0971de7f
AV		 2190 list_add_tail(&e->list, &ha->work_list);
2191 qla2xxx_wake_dpc(ha);
2192 if (!locked)
08b95a12 2193 spin_unlock_irqrestore(&pha->hardware_lock, flags);
0971de7f
AV		 2194 return QLA_SUCCESS;
2195}
2196
2197int
2198qla2x00_post_aen_work(struct scsi_qla_host *ha, enum fc_host_event_code code,
2199 u32 data)
2200{
2201 struct qla_work_evt *e;
2202
2203 e = qla2x00_alloc_work(ha, QLA_EVT_AEN, 1);
2204 if (!e)
2205 return QLA_FUNCTION_FAILED;
2206
2207 e->u.aen.code = code;
2208 e->u.aen.data = data;
2209 return qla2x00_post_work(ha, e, 1);
2210}
2211
cb8dacbf
AV		 2212int
2213qla2x00_post_hwe_work(struct scsi_qla_host *ha, uint16_t code, uint16_t d1,
2214 uint16_t d2, uint16_t d3)
2215{
2216 struct qla_work_evt *e;
2217
2218 e = qla2x00_alloc_work(ha, QLA_EVT_HWE_LOG, 1);
2219 if (!e)
2220 return QLA_FUNCTION_FAILED;
2221
2222 e->u.hwe.code = code;
2223 e->u.hwe.d1 = d1;
2224 e->u.hwe.d2 = d2;
2225 e->u.hwe.d3 = d3;
2226 return qla2x00_post_work(ha, e, 1);
2227}
2228
0971de7f
AV		 2229static void
2230qla2x00_do_work(struct scsi_qla_host *ha)
2231{
2232 struct qla_work_evt *e;
08b95a12 2233 scsi_qla_host_t *pha = to_qla_parent(ha);
0971de7f 2234
08b95a12 2235 spin_lock_irq(&pha->hardware_lock);
0971de7f
AV		 2236 while (!list_empty(&ha->work_list)) {
2237 e = list_entry(ha->work_list.next, struct qla_work_evt, list);
2238 list_del_init(&e->list);
08b95a12 2239 spin_unlock_irq(&pha->hardware_lock);
0971de7f
AV		 2240
2241 switch (e->type) {
2242 case QLA_EVT_AEN:
2243 fc_host_post_event(ha->host, fc_get_event_number(),
2244 e->u.aen.code, e->u.aen.data);
2245 break;
cb8dacbf
AV		 2246 case QLA_EVT_HWE_LOG:
2247 qla2xxx_hw_event_log(ha, e->u.hwe.code, e->u.hwe.d1,
2248 e->u.hwe.d2, e->u.hwe.d3);
2249 break;
0971de7f
AV		 2250 }
2251 if (e->flags & QLA_EVT_FLAG_FREE)
2252 kfree(e);
08b95a12 2253 spin_lock_irq(&pha->hardware_lock);
0971de7f 2254 }
08b95a12 2255 spin_unlock_irq(&pha->hardware_lock);
0971de7f
AV		 2256}
2257
1da177e4
LT		 2258/**************************************************************************
2259* qla2x00_do_dpc
2260* This kernel thread is a task that is schedule by the interrupt handler
2261* to perform the background processing for interrupts.
2262*
2263* Notes:
2264* This task always run in the context of a kernel thread. It
2265* is kick-off by the driver's detect code and starts up
2266* up one per adapter. It immediately goes to sleep and waits for
2267* some fibre event. When either the interrupt handler or
2268* the timer routine detects a event it will one of the task
2269* bits then wake us up.
2270**************************************************************************/
2271static int
2272qla2x00_do_dpc(void *data)
2273{
2c3dfe3f 2274 int rval;
1da177e4
LT		 2275 scsi_qla_host_t *ha;
2276 fc_port_t *fcport;
1da177e4 2277 uint8_t status;
1da177e4 2278 uint16_t next_loopid;
99363ef8
SJ		 2279 struct scsi_qla_host *vha;
2280 int i;
2281
1da177e4
LT		 2282
2283 ha = (scsi_qla_host_t *)data;
2284
1da177e4
LT		 2285 set_user_nice(current, -20);
2286
39a11240 2287 while (!kthread_should_stop()) {
1da177e4
LT		 2288 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2289
39a11240
CH		 2290 set_current_state(TASK_INTERRUPTIBLE);
2291 schedule();
2292 __set_current_state(TASK_RUNNING);
1da177e4
LT		 2293
2294 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2295
2296 /* Initialization not yet finished. Don't do anything yet. */
39a11240 2297 if (!ha->flags.init_done)
1da177e4
LT		 2298 continue;
2299
2300 DEBUG3(printk("scsi(%ld): DPC handler\n", ha->host_no));
2301
2302 ha->dpc_active = 1;
2303
1da177e4 2304 if (ha->flags.mbox_busy) {
1da177e4
LT		 2305 ha->dpc_active = 0;
2306 continue;
2307 }
2308
0971de7f
AV		 2309 qla2x00_do_work(ha);
2310
1da177e4
LT		 2311 if (test_and_clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
2312
2313 DEBUG(printk("scsi(%ld): dpc: sched "
2314 "qla2x00_abort_isp ha = %p\n",
2315 ha->host_no, ha));
2316 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
2317 &ha->dpc_flags))) {
2318
2319 if (qla2x00_abort_isp(ha)) {
2320 /* failed. retry later */
2321 set_bit(ISP_ABORT_NEEDED,
2322 &ha->dpc_flags);
2323 }
2324 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2325 }
99363ef8
SJ		 2326
2327 for_each_mapped_vp_idx(ha, i) {
2328 list_for_each_entry(vha, &ha->vp_list,
2329 vp_list) {
2330 if (i == vha->vp_idx) {
2331 set_bit(ISP_ABORT_NEEDED,
2332 &vha->dpc_flags);
2333 break;
2334 }
2335 }
2336 }
2337
1da177e4
LT		 2338 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
2339 ha->host_no));
2340 }
2341
c9c5ced9 2342 if (test_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags)) {
d97994dc 2343 qla2x00_update_fcports(ha);
c9c5ced9
AV		 2344 clear_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags);
2345 }
d97994dc 2346
1da177e4
LT		 2347 if (test_and_clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) &&
2348 (!(test_and_set_bit(RESET_ACTIVE, &ha->dpc_flags)))) {
2349
2350 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
2351 ha->host_no));
2352
2353 qla2x00_rst_aen(ha);
2354 clear_bit(RESET_ACTIVE, &ha->dpc_flags);
2355 }
2356
2357 /* Retry each device up to login retry count */
2358 if ((test_and_clear_bit(RELOGIN_NEEDED, &ha->dpc_flags)) &&
2359 !test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) &&
2360 atomic_read(&ha->loop_state) != LOOP_DOWN) {
2361
2362 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
2363 ha->host_no));
2364
2365 next_loopid = 0;
2366 list_for_each_entry(fcport, &ha->fcports, list) {
1da177e4
LT		 2367 /*
2368 * If the port is not ONLINE then try to login
2369 * to it if we haven't run out of retries.
2370 */
2371 if (atomic_read(&fcport->state) != FCS_ONLINE &&
2372 fcport->login_retry) {
2373
1da177e4
LT		 2374 if (fcport->flags & FCF_FABRIC_DEVICE) {
2375 if (fcport->flags &
2376 FCF_TAPE_PRESENT)
fd34f556 2377 ha->isp_ops->fabric_logout(
1c7c6357
AV		 2378 ha, fcport->loop_id,
2379 fcport->d_id.b.domain,
2380 fcport->d_id.b.area,
2381 fcport->d_id.b.al_pa);
1da177e4
LT		 2382 status = qla2x00_fabric_login(
2383 ha, fcport, &next_loopid);
2384 } else
2385 status =
2386 qla2x00_local_device_login(
9a52a57c 2387 ha, fcport);
1da177e4 2388
63a8651f 2389 fcport->login_retry--;
1da177e4
LT		 2390 if (status == QLA_SUCCESS) {
2391 fcport->old_loop_id = fcport->loop_id;
2392
2393 DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n",
2394 ha->host_no, fcport->loop_id));
fa2a1ce5 2395
052c40c8 2396 qla2x00_update_fcport(ha,
2397 fcport);
1da177e4
LT		 2398 } else if (status == 1) {
2399 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
2400 /* retry the login again */
2401 DEBUG(printk("scsi(%ld): Retrying %d login again loop_id 0x%x\n",
2402 ha->host_no,
2403 fcport->login_retry, fcport->loop_id));
2404 } else {
2405 fcport->login_retry = 0;
2406 }
666301e6 2407 if (fcport->login_retry == 0 && status != QLA_SUCCESS)
63a8651f 2408 fcport->loop_id = FC_NO_LOOP_ID;
1da177e4
LT		 2409 }
2410 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2411 break;
2412 }
2413 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
2414 ha->host_no));
2415 }
2416
1da177e4
LT		 2417 if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
2418
2419 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
2420 ha->host_no));
2421
2422 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
2423 &ha->dpc_flags))) {
2424
2c3dfe3f 2425 rval = qla2x00_loop_resync(ha);
1da177e4
LT		 2426
2427 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
2428 }
2429
2430 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
2431 ha->host_no));
2432 }
2433
1da177e4 2434 if (!ha->interrupts_on)
fd34f556 2435 ha->isp_ops->enable_intrs(ha);
1da177e4 2436
f6df144c 2437 if (test_and_clear_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags))
fd34f556 2438 ha->isp_ops->beacon_blink(ha);
f6df144c 2439
2c3dfe3f
SJ		 2440 qla2x00_do_dpc_all_vps(ha);
2441
1da177e4
LT		 2442 ha->dpc_active = 0;
2443 } /* End of while(1) */
2444
2445 DEBUG(printk("scsi(%ld): DPC handler exiting\n", ha->host_no));
2446
2447 /*
2448 * Make sure that nobody tries to wake us up again.
2449 */
1da177e4
LT		 2450 ha->dpc_active = 0;
2451
39a11240
CH		 2452 return 0;
2453}
2454
2455void
2456qla2xxx_wake_dpc(scsi_qla_host_t *ha)
2457{
c795c1e4
AV		 2458 struct task_struct *t = ha->dpc_thread;
2459
2460 if (!test_bit(UNLOADING, &ha->dpc_flags) && t)
2461 wake_up_process(t);
1da177e4
LT		 2462}
2463
1da177e4
LT		 2464/*
2465* qla2x00_rst_aen
2466* Processes asynchronous reset.
2467*
2468* Input:
2469* ha = adapter block pointer.
2470*/
2471static void
fa2a1ce5 2472qla2x00_rst_aen(scsi_qla_host_t *ha)
1da177e4
LT		 2473{
2474 if (ha->flags.online && !ha->flags.reset_active &&
2475 !atomic_read(&ha->loop_down_timer) &&
2476 !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) {
2477 do {
2478 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
2479
2480 /*
2481 * Issue marker command only when we are going to start
2482 * the I/O.
2483 */
2484 ha->marker_needed = 1;
2485 } while (!atomic_read(&ha->loop_down_timer) &&
2486 (test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags)));
2487 }
2488}
2489
f4f051eb 2490static void
2491qla2x00_sp_free_dma(scsi_qla_host_t *ha, srb_t *sp)
2492{
2493 struct scsi_cmnd *cmd = sp->cmd;
2494
2495 if (sp->flags & SRB_DMA_VALID) {
385d70b4 2496 scsi_dma_unmap(cmd);
f4f051eb 2497 sp->flags &= ~SRB_DMA_VALID;
2498 }
fca29703 2499 CMD_SP(cmd) = NULL;
f4f051eb 2500}
2501
2502void
2503qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *sp)
2504{
2505 struct scsi_cmnd *cmd = sp->cmd;
2506
2507 qla2x00_sp_free_dma(ha, sp);
2508
f4f051eb 2509 mempool_free(sp, ha->srb_mempool);
2510
2511 cmd->scsi_done(cmd);
2512}
bdf79621 2513
1da177e4
LT		 2514/**************************************************************************
2515* qla2x00_timer
2516*
2517* Description:
2518* One second timer
2519*
2520* Context: Interrupt
2521***************************************************************************/
2c3dfe3f 2522void
1da177e4
LT		 2523qla2x00_timer(scsi_qla_host_t *ha)
2524{
1da177e4
LT		 2525 unsigned long cpu_flags = 0;
2526 fc_port_t *fcport;
1da177e4
LT		 2527 int start_dpc = 0;
2528 int index;
2529 srb_t *sp;
f4f051eb 2530 int t;
2c3dfe3f 2531 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4
LT		 2532
2533 /*
2534 * Ports - Port down timer.
2535 *
2536 * Whenever, a port is in the LOST state we start decrementing its port
2537 * down timer every second until it reaches zero. Once it reaches zero
fa2a1ce5 2538 * the port it marked DEAD.
1da177e4
LT		 2539 */
2540 t = 0;
2541 list_for_each_entry(fcport, &ha->fcports, list) {
2542 if (fcport->port_type != FCT_TARGET)
2543 continue;
2544
2545 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2546
2547 if (atomic_read(&fcport->port_down_timer) == 0)
2548 continue;
2549
fa2a1ce5 2550 if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
1da177e4 2551 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
fa2a1ce5 2552
1da177e4 2553 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
fca29703 2554 "%d remaining\n",
1da177e4
LT		 2555 ha->host_no,
2556 t, atomic_read(&fcport->port_down_timer)));
2557 }
2558 t++;
2559 } /* End of for fcport */
2560
1da177e4
LT		 2561
2562 /* Loop down handler. */
2563 if (atomic_read(&ha->loop_down_timer) > 0 &&
2564 !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) && ha->flags.online) {
2565
2566 if (atomic_read(&ha->loop_down_timer) ==
2567 ha->loop_down_abort_time) {
2568
2569 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2570 "queues before time expire\n",
2571 ha->host_no));
2572
2573 if (!IS_QLA2100(ha) && ha->link_down_timeout)
fa2a1ce5 2574 atomic_set(&ha->loop_state, LOOP_DEAD);
1da177e4
LT		 2575
2576 /* Schedule an ISP abort to return any tape commands. */
2c3dfe3f
SJ		 2577 /* NPIV - scan physical port only */
2578 if (!ha->parent) {
2579 spin_lock_irqsave(&ha->hardware_lock,
2580 cpu_flags);
2581 for (index = 1;
2582 index < MAX_OUTSTANDING_COMMANDS;
2583 index++) {
2584 fc_port_t *sfcp;
2585
2586 sp = ha->outstanding_cmds[index];
2587 if (!sp)
2588 continue;
2589 sfcp = sp->fcport;
2590 if (!(sfcp->flags & FCF_TAPE_PRESENT))
2591 continue;
bdf79621 2592
2c3dfe3f
SJ		 2593 set_bit(ISP_ABORT_NEEDED,
2594 &ha->dpc_flags);
2595 break;
2596 }
2597 spin_unlock_irqrestore(&ha->hardware_lock,
2598 cpu_flags);
1da177e4 2599 }
1da177e4
LT		 2600 set_bit(ABORT_QUEUES_NEEDED, &ha->dpc_flags);
2601 start_dpc++;
2602 }
2603
2604 /* if the loop has been down for 4 minutes, reinit adapter */
2605 if (atomic_dec_and_test(&ha->loop_down_timer) != 0) {
2606 DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - "
2607 "restarting queues.\n",
2608 ha->host_no));
2609
2610 set_bit(RESTART_QUEUES_NEEDED, &ha->dpc_flags);
2611 start_dpc++;
2612
463717ed
SJ		 2613 if (!(ha->device_flags & DFLG_NO_CABLE) &&
2614 !ha->parent) {
1da177e4
LT		 2615 DEBUG(printk("scsi(%ld): Loop down - "
2616 "aborting ISP.\n",
2617 ha->host_no));
2618 qla_printk(KERN_WARNING, ha,
2619 "Loop down - aborting ISP.\n");
2620
2621 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
2622 }
2623 }
fca29703 2624 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
1da177e4
LT		 2625 ha->host_no,
2626 atomic_read(&ha->loop_down_timer)));
2627 }
2628
f6df144c 2629 /* Check if beacon LED needs to be blinked */
2630 if (ha->beacon_blink_led == 1) {
2631 set_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags);
2632 start_dpc++;
2633 }
2634
550bf57d
AV		 2635 /* Process any deferred work. */
2636 if (!list_empty(&ha->work_list))
2637 start_dpc++;
2638
1da177e4
LT		 2639 /* Schedule the DPC routine if needed */
2640 if ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) ||
2641 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) ||
d97994dc 2642 test_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags) ||
1da177e4 2643 start_dpc ||
f4f051eb 2644 test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) ||
f6df144c 2645 test_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags) ||
2c3dfe3f 2646 test_bit(VP_DPC_NEEDED, &ha->dpc_flags) ||
39a11240 2647 test_bit(RELOGIN_NEEDED, &ha->dpc_flags)))
2c3dfe3f 2648 qla2xxx_wake_dpc(pha);
1da177e4
LT		 2649
2650 qla2x00_restart_timer(ha, WATCH_INTERVAL);
2651}
2652
5433383e
AV		 2653/* Firmware interface routines. */
2654
c3a2f0df 2655#define FW_BLOBS 6
5433383e
AV		 2656#define FW_ISP21XX 0
2657#define FW_ISP22XX 1
2658#define FW_ISP2300 2
2659#define FW_ISP2322 3
48c02fde 2660#define FW_ISP24XX 4
c3a2f0df 2661#define FW_ISP25XX 5
5433383e 2662
bb8ee499
AV		 2663#define FW_FILE_ISP21XX "ql2100_fw.bin"
2664#define FW_FILE_ISP22XX "ql2200_fw.bin"
2665#define FW_FILE_ISP2300 "ql2300_fw.bin"
2666#define FW_FILE_ISP2322 "ql2322_fw.bin"
2667#define FW_FILE_ISP24XX "ql2400_fw.bin"
c3a2f0df 2668#define FW_FILE_ISP25XX "ql2500_fw.bin"
bb8ee499 2669
e1e82b6f 2670static DEFINE_MUTEX(qla_fw_lock);
5433383e
AV		 2671
2672static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
bb8ee499
AV		 2673 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
2674 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
2675 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
2676 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
2677 { .name = FW_FILE_ISP24XX, },
c3a2f0df 2678 { .name = FW_FILE_ISP25XX, },
5433383e
AV		 2679};
2680
2681struct fw_blob *
2682qla2x00_request_firmware(scsi_qla_host_t *ha)
2683{
2684 struct fw_blob *blob;
2685
2686 blob = NULL;
2687 if (IS_QLA2100(ha)) {
2688 blob = &qla_fw_blobs[FW_ISP21XX];
2689 } else if (IS_QLA2200(ha)) {
2690 blob = &qla_fw_blobs[FW_ISP22XX];
48c02fde 2691 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
5433383e 2692 blob = &qla_fw_blobs[FW_ISP2300];
48c02fde 2693 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
5433383e 2694 blob = &qla_fw_blobs[FW_ISP2322];
4d4df193 2695 } else if (IS_QLA24XX_TYPE(ha)) {
5433383e 2696 blob = &qla_fw_blobs[FW_ISP24XX];
c3a2f0df
AV		 2697 } else if (IS_QLA25XX(ha)) {
2698 blob = &qla_fw_blobs[FW_ISP25XX];
5433383e
AV		 2699 }
2700
e1e82b6f 2701 mutex_lock(&qla_fw_lock);
5433383e
AV		 2702 if (blob->fw)
2703 goto out;
2704
2705 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
2706 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
2707 "(%s).\n", ha->host_no, blob->name));
2708 blob->fw = NULL;
2709 blob = NULL;
2710 goto out;
2711 }
2712
2713out:
e1e82b6f 2714 mutex_unlock(&qla_fw_lock);
5433383e
AV		 2715 return blob;
2716}
2717
2718static void
2719qla2x00_release_firmware(void)
2720{
2721 int idx;
2722
e1e82b6f 2723 mutex_lock(&qla_fw_lock);
5433383e
AV		 2724 for (idx = 0; idx < FW_BLOBS; idx++)
2725 if (qla_fw_blobs[idx].fw)
2726 release_firmware(qla_fw_blobs[idx].fw);
e1e82b6f 2727 mutex_unlock(&qla_fw_lock);
5433383e
AV		 2728}
2729
14e660e6
SJ		 2730static pci_ers_result_t
2731qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
2732{
2733 switch (state) {
2734 case pci_channel_io_normal:
2735 return PCI_ERS_RESULT_CAN_RECOVER;
2736 case pci_channel_io_frozen:
2737 pci_disable_device(pdev);
2738 return PCI_ERS_RESULT_NEED_RESET;
2739 case pci_channel_io_perm_failure:
2740 qla2x00_remove_one(pdev);
2741 return PCI_ERS_RESULT_DISCONNECT;
2742 }
2743 return PCI_ERS_RESULT_NEED_RESET;
2744}
2745
2746static pci_ers_result_t
2747qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
2748{
2749 int risc_paused = 0;
2750 uint32_t stat;
2751 unsigned long flags;
2752 scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2753 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2754 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
2755
2756 spin_lock_irqsave(&ha->hardware_lock, flags);
2757 if (IS_QLA2100(ha) || IS_QLA2200(ha)){
2758 stat = RD_REG_DWORD(&reg->hccr);
2759 if (stat & HCCR_RISC_PAUSE)
2760 risc_paused = 1;
2761 } else if (IS_QLA23XX(ha)) {
2762 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
2763 if (stat & HSR_RISC_PAUSED)
2764 risc_paused = 1;
2765 } else if (IS_FWI2_CAPABLE(ha)) {
2766 stat = RD_REG_DWORD(&reg24->host_status);
2767 if (stat & HSRX_RISC_PAUSED)
2768 risc_paused = 1;
2769 }
2770 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2771
2772 if (risc_paused) {
2773 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
2774 "Dumping firmware!\n");
2775 ha->isp_ops->fw_dump(ha, 0);
2776
2777 return PCI_ERS_RESULT_NEED_RESET;
2778 } else
2779 return PCI_ERS_RESULT_RECOVERED;
2780}
2781
2782static pci_ers_result_t
2783qla2xxx_pci_slot_reset(struct pci_dev *pdev)
2784{
2785 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
2786 scsi_qla_host_t *ha = pci_get_drvdata(pdev);
09483916
BH		 2787 int rc;
2788
2789 if (ha->mem_only)
2790 rc = pci_enable_device_mem(pdev);
2791 else
2792 rc = pci_enable_device(pdev);
14e660e6 2793
09483916 2794 if (rc) {
14e660e6
SJ		 2795 qla_printk(KERN_WARNING, ha,
2796 "Can't re-enable PCI device after reset.\n");
2797
2798 return ret;
2799 }
2800 pci_set_master(pdev);
2801
2802 if (ha->isp_ops->pci_config(ha))
2803 return ret;
2804
2805 set_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2806 if (qla2x00_abort_isp(ha)== QLA_SUCCESS)
2807 ret = PCI_ERS_RESULT_RECOVERED;
2808 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2809
2810 return ret;
2811}
2812
2813static void
2814qla2xxx_pci_resume(struct pci_dev *pdev)
2815{
2816 scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2817 int ret;
2818
2819 ret = qla2x00_wait_for_hba_online(ha);
2820 if (ret != QLA_SUCCESS) {
2821 qla_printk(KERN_ERR, ha,
2822 "the device failed to resume I/O "
2823 "from slot/link_reset");
2824 }
2825 pci_cleanup_aer_uncorrect_error_status(pdev);
2826}
2827
2828static struct pci_error_handlers qla2xxx_err_handler = {
2829 .error_detected = qla2xxx_pci_error_detected,
2830 .mmio_enabled = qla2xxx_pci_mmio_enabled,
2831 .slot_reset = qla2xxx_pci_slot_reset,
2832 .resume = qla2xxx_pci_resume,
2833};
2834
5433383e 2835static struct pci_device_id qla2xxx_pci_tbl[] = {
47f5e069
AV		 2836 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
2837 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
2838 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
2839 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
2840 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
2841 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
2842 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
2843 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
2844 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
4d4df193 2845 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
47f5e069
AV		 2846 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
2847 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
c3a2f0df 2848 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
5433383e
AV		 2849 { 0 },
2850};
2851MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
2852
fca29703 2853static struct pci_driver qla2xxx_pci_driver = {
cb63067a 2854 .name = QLA2XXX_DRIVER_NAME,
0a21ef1e
JB		 2855 .driver = {
2856 .owner = THIS_MODULE,
2857 },
fca29703 2858 .id_table = qla2xxx_pci_tbl,
7ee61397 2859 .probe = qla2x00_probe_one,
4c993f76 2860 .remove = qla2x00_remove_one,
14e660e6 2861 .err_handler = &qla2xxx_err_handler,
fca29703
AV		 2862};
2863
1da177e4
LT		 2864/**
2865 * qla2x00_module_init - Module initialization.
2866 **/
2867static int __init
2868qla2x00_module_init(void)
2869{
fca29703
AV		 2870 int ret = 0;
2871
1da177e4 2872 /* Allocate cache for SRBs. */
354d6b21 2873 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
20c2df83 2874 SLAB_HWCACHE_ALIGN, NULL);
1da177e4
LT		 2875 if (srb_cachep == NULL) {
2876 printk(KERN_ERR
2877 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
2878 return -ENOMEM;
2879 }
2880
2881 /* Derive version string. */
2882 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
11010fec 2883 if (ql2xextended_error_logging)
0181944f
AV		 2884 strcat(qla2x00_version_str, "-debug");
2885
1c97a12a
AV		 2886 qla2xxx_transport_template =
2887 fc_attach_transport(&qla2xxx_transport_functions);
2c3dfe3f
SJ		 2888 if (!qla2xxx_transport_template) {
2889 kmem_cache_destroy(srb_cachep);
1da177e4 2890 return -ENODEV;
2c3dfe3f
SJ		 2891 }
2892 qla2xxx_transport_vport_template =
2893 fc_attach_transport(&qla2xxx_transport_vport_functions);
2894 if (!qla2xxx_transport_vport_template) {
2895 kmem_cache_destroy(srb_cachep);
2896 fc_release_transport(qla2xxx_transport_template);
1da177e4 2897 return -ENODEV;
2c3dfe3f 2898 }
1da177e4 2899
fd9a29f0
AV		 2900 printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n",
2901 qla2x00_version_str);
7ee61397 2902 ret = pci_register_driver(&qla2xxx_pci_driver);
fca29703
AV		 2903 if (ret) {
2904 kmem_cache_destroy(srb_cachep);
2905 fc_release_transport(qla2xxx_transport_template);
2c3dfe3f 2906 fc_release_transport(qla2xxx_transport_vport_template);
fca29703
AV		 2907 }
2908 return ret;
1da177e4
LT		 2909}
2910
2911/**
2912 * qla2x00_module_exit - Module cleanup.
2913 **/
2914static void __exit
2915qla2x00_module_exit(void)
2916{
7ee61397 2917 pci_unregister_driver(&qla2xxx_pci_driver);
5433383e 2918 qla2x00_release_firmware();
354d6b21 2919 kmem_cache_destroy(srb_cachep);
1da177e4 2920 fc_release_transport(qla2xxx_transport_template);
2c3dfe3f 2921 fc_release_transport(qla2xxx_transport_vport_template);
1da177e4
LT		 2922}
2923
2924module_init(qla2x00_module_init);
2925module_exit(qla2x00_module_exit);
2926
2927MODULE_AUTHOR("QLogic Corporation");
2928MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
2929MODULE_LICENSE("GPL");
2930MODULE_VERSION(QLA2XXX_VERSION);
bb8ee499
AV		 2931MODULE_FIRMWARE(FW_FILE_ISP21XX);
2932MODULE_FIRMWARE(FW_FILE_ISP22XX);
2933MODULE_FIRMWARE(FW_FILE_ISP2300);
2934MODULE_FIRMWARE(FW_FILE_ISP2322);
2935MODULE_FIRMWARE(FW_FILE_ISP24XX);
61623fc3 2936MODULE_FIRMWARE(FW_FILE_ISP25XX);
Linux kernel - Deliverables
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