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Merge branch 'for-2.6.28' of git://linux-nfs.org/~bfields/linux
[linux-2.6-block.git] / drivers / scsi / qla2xxx / qla_os.c
CommitLineData
1da177e4 1/*
fa90c54f 2 * QLogic Fibre Channel HBA Driver
01e58d8e 3 * Copyright (c) 2003-2008 QLogic Corporation
1da177e4 4 *
fa90c54f 5 * See LICENSE.qla2xxx for copyright and licensing details.
1da177e4
LT		 6 */
7#include "qla_def.h"
8
9#include <linux/moduleparam.h>
10#include <linux/vmalloc.h>
1da177e4 11#include <linux/delay.h>
39a11240 12#include <linux/kthread.h>
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. */
7b594131
MC		 397 if (fcport->drport)
398 goto qc_target_busy;
387f96b4 399
f4f051eb 400 if (atomic_read(&fcport->state) != FCS_ONLINE) {
401 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
402 atomic_read(&ha->loop_state) == LOOP_DEAD) {
403 cmd->result = DID_NO_CONNECT << 16;
404 goto qc_fail_command;
405 }
7b594131 406 goto qc_target_busy;
f4f051eb 407 }
1da177e4
LT		 408
409 spin_unlock_irq(ha->host->host_lock);
410
fca29703
AV		 411 sp = qla2x00_get_new_sp(ha, fcport, cmd, done);
412 if (!sp)
f4f051eb 413 goto qc_host_busy_lock;
1da177e4 414
f4f051eb 415 rval = qla2x00_start_scsi(sp);
416 if (rval != QLA_SUCCESS)
417 goto qc_host_busy_free_sp;
1da177e4 418
f4f051eb 419 spin_lock_irq(ha->host->host_lock);
1da177e4 420
f4f051eb 421 return 0;
1da177e4 422
f4f051eb 423qc_host_busy_free_sp:
424 qla2x00_sp_free_dma(ha, sp);
f4f051eb 425 mempool_free(sp, ha->srb_mempool);
1da177e4 426
f4f051eb 427qc_host_busy_lock:
428 spin_lock_irq(ha->host->host_lock);
f4f051eb 429 return SCSI_MLQUEUE_HOST_BUSY;
1da177e4 430
7b594131
MC		 431qc_target_busy:
432 return SCSI_MLQUEUE_TARGET_BUSY;
433
f4f051eb 434qc_fail_command:
435 done(cmd);
1da177e4 436
f4f051eb 437 return 0;
1da177e4
LT		 438}
439
fca29703
AV		 440
441static int
442qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
443{
f363b943 444 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
fca29703 445 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
19a7b4ae 446 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
fca29703
AV		 447 srb_t *sp;
448 int rval;
2c3dfe3f 449 scsi_qla_host_t *pha = to_qla_parent(ha);
fca29703 450
c9c5ced9 451 if (unlikely(pci_channel_offline(pha->pdev))) {
14e660e6
SJ		 452 cmd->result = DID_REQUEUE << 16;
453 goto qc24_fail_command;
454 }
455
19a7b4ae
JSEC		 456 rval = fc_remote_port_chkready(rport);
457 if (rval) {
458 cmd->result = rval;
fca29703
AV		 459 goto qc24_fail_command;
460 }
461
387f96b4 462 /* Close window on fcport/rport state-transitioning. */
7b594131
MC		 463 if (fcport->drport)
464 goto qc24_target_busy;
387f96b4 465
fca29703
AV		 466 if (atomic_read(&fcport->state) != FCS_ONLINE) {
467 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
2c3dfe3f 468 atomic_read(&pha->loop_state) == LOOP_DEAD) {
fca29703
AV		 469 cmd->result = DID_NO_CONNECT << 16;
470 goto qc24_fail_command;
471 }
7b594131 472 goto qc24_target_busy;
fca29703
AV		 473 }
474
475 spin_unlock_irq(ha->host->host_lock);
476
2c3dfe3f 477 sp = qla2x00_get_new_sp(pha, fcport, cmd, done);
fca29703
AV		 478 if (!sp)
479 goto qc24_host_busy_lock;
480
481 rval = qla24xx_start_scsi(sp);
482 if (rval != QLA_SUCCESS)
483 goto qc24_host_busy_free_sp;
484
485 spin_lock_irq(ha->host->host_lock);
486
487 return 0;
488
489qc24_host_busy_free_sp:
2c3dfe3f
SJ		 490 qla2x00_sp_free_dma(pha, sp);
491 mempool_free(sp, pha->srb_mempool);
fca29703
AV		 492
493qc24_host_busy_lock:
494 spin_lock_irq(ha->host->host_lock);
fca29703
AV		 495 return SCSI_MLQUEUE_HOST_BUSY;
496
7b594131
MC		 497qc24_target_busy:
498 return SCSI_MLQUEUE_TARGET_BUSY;
499
fca29703
AV		 500qc24_fail_command:
501 done(cmd);
502
503 return 0;
504}
505
506
1da177e4
LT		 507/*
508 * qla2x00_eh_wait_on_command
509 * Waits for the command to be returned by the Firmware for some
510 * max time.
511 *
512 * Input:
513 * ha = actual ha whose done queue will contain the command
514 * returned by firmware.
515 * cmd = Scsi Command to wait on.
516 * flag = Abort/Reset(Bus or Device Reset)
517 *
518 * Return:
519 * Not Found : 0
520 * Found : 1
521 */
522static int
523qla2x00_eh_wait_on_command(scsi_qla_host_t *ha, struct scsi_cmnd *cmd)
524{
fe74c71f
AV		 525#define ABORT_POLLING_PERIOD 1000
526#define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
f4f051eb 527 unsigned long wait_iter = ABORT_WAIT_ITER;
528 int ret = QLA_SUCCESS;
1da177e4 529
f4f051eb 530 while (CMD_SP(cmd)) {
fe74c71f 531 msleep(ABORT_POLLING_PERIOD);
1da177e4 532
f4f051eb 533 if (--wait_iter)
534 break;
535 }
536 if (CMD_SP(cmd))
537 ret = QLA_FUNCTION_FAILED;
1da177e4 538
f4f051eb 539 return ret;
1da177e4
LT		 540}
541
542/*
543 * qla2x00_wait_for_hba_online
fa2a1ce5 544 * Wait till the HBA is online after going through
1da177e4
LT		 545 * <= MAX_RETRIES_OF_ISP_ABORT or
546 * finally HBA is disabled ie marked offline
547 *
548 * Input:
549 * ha - pointer to host adapter structure
fa2a1ce5
AV		 550 *
551 * Note:
1da177e4
LT		 552 * Does context switching-Release SPIN_LOCK
553 * (if any) before calling this routine.
554 *
555 * Return:
556 * Success (Adapter is online) : 0
557 * Failed (Adapter is offline/disabled) : 1
558 */
854165f4 559int
1da177e4
LT		 560qla2x00_wait_for_hba_online(scsi_qla_host_t *ha)
561{
fca29703
AV		 562 int return_status;
563 unsigned long wait_online;
2c3dfe3f 564 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4 565
fa2a1ce5 566 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
2c3dfe3f
SJ		 567 while (((test_bit(ISP_ABORT_NEEDED, &pha->dpc_flags)) ||
568 test_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags) ||
569 test_bit(ISP_ABORT_RETRY, &pha->dpc_flags) ||
570 pha->dpc_active) && time_before(jiffies, wait_online)) {
1da177e4
LT		 571
572 msleep(1000);
573 }
2c3dfe3f 574 if (pha->flags.online)
fa2a1ce5 575 return_status = QLA_SUCCESS;
1da177e4
LT		 576 else
577 return_status = QLA_FUNCTION_FAILED;
578
1da177e4
LT		 579 return (return_status);
580}
581
582/*
583 * qla2x00_wait_for_loop_ready
584 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
fa2a1ce5 585 * to be in LOOP_READY state.
1da177e4
LT		 586 * Input:
587 * ha - pointer to host adapter structure
fa2a1ce5
AV		 588 *
589 * Note:
1da177e4
LT		 590 * Does context switching-Release SPIN_LOCK
591 * (if any) before calling this routine.
fa2a1ce5 592 *
1da177e4
LT		 593 *
594 * Return:
595 * Success (LOOP_READY) : 0
596 * Failed (LOOP_NOT_READY) : 1
597 */
fa2a1ce5 598static inline int
1da177e4
LT		 599qla2x00_wait_for_loop_ready(scsi_qla_host_t *ha)
600{
601 int return_status = QLA_SUCCESS;
602 unsigned long loop_timeout ;
2c3dfe3f 603 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4
LT		 604
605 /* wait for 5 min at the max for loop to be ready */
fa2a1ce5 606 loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1da177e4 607
2c3dfe3f
SJ		 608 while ((!atomic_read(&pha->loop_down_timer) &&
609 atomic_read(&pha->loop_state) == LOOP_DOWN) ||
610 atomic_read(&pha->loop_state) != LOOP_READY) {
611 if (atomic_read(&pha->loop_state) == LOOP_DEAD) {
57680080
RA		 612 return_status = QLA_FUNCTION_FAILED;
613 break;
614 }
1da177e4
LT		 615 msleep(1000);
616 if (time_after_eq(jiffies, loop_timeout)) {
617 return_status = QLA_FUNCTION_FAILED;
618 break;
619 }
620 }
fa2a1ce5 621 return (return_status);
1da177e4
LT		 622}
623
5f3a9a20
SJ		 624void
625qla2x00_abort_fcport_cmds(fc_port_t *fcport)
626{
627 int cnt;
628 unsigned long flags;
629 srb_t *sp;
630 scsi_qla_host_t *ha = fcport->ha;
631 scsi_qla_host_t *pha = to_qla_parent(ha);
632
633 spin_lock_irqsave(&pha->hardware_lock, flags);
634 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
635 sp = pha->outstanding_cmds[cnt];
636 if (!sp)
637 continue;
638 if (sp->fcport != fcport)
639 continue;
640
641 spin_unlock_irqrestore(&pha->hardware_lock, flags);
642 if (ha->isp_ops->abort_command(ha, sp)) {
643 DEBUG2(qla_printk(KERN_WARNING, ha,
644 "Abort failed -- %lx\n", sp->cmd->serial_number));
645 } else {
646 if (qla2x00_eh_wait_on_command(ha, sp->cmd) !=
647 QLA_SUCCESS)
648 DEBUG2(qla_printk(KERN_WARNING, ha,
649 "Abort failed while waiting -- %lx\n",
650 sp->cmd->serial_number));
651
652 }
653 spin_lock_irqsave(&pha->hardware_lock, flags);
654 }
655 spin_unlock_irqrestore(&pha->hardware_lock, flags);
656}
657
07db5183
AV		 658static void
659qla2x00_block_error_handler(struct scsi_cmnd *cmnd)
660{
661 struct Scsi_Host *shost = cmnd->device->host;
662 struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device));
663 unsigned long flags;
664
665 spin_lock_irqsave(shost->host_lock, flags);
666 while (rport->port_state == FC_PORTSTATE_BLOCKED) {
667 spin_unlock_irqrestore(shost->host_lock, flags);
668 msleep(1000);
669 spin_lock_irqsave(shost->host_lock, flags);
670 }
671 spin_unlock_irqrestore(shost->host_lock, flags);
672 return;
673}
674
1da177e4
LT		 675/**************************************************************************
676* qla2xxx_eh_abort
677*
678* Description:
679* The abort function will abort the specified command.
680*
681* Input:
682* cmd = Linux SCSI command packet to be aborted.
683*
684* Returns:
685* Either SUCCESS or FAILED.
686*
687* Note:
2ea00202 688* Only return FAILED if command not returned by firmware.
1da177e4 689**************************************************************************/
e5f82ab8 690static int
1da177e4
LT		 691qla2xxx_eh_abort(struct scsi_cmnd *cmd)
692{
f363b943 693 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
f4f051eb 694 srb_t *sp;
695 int ret, i;
696 unsigned int id, lun;
697 unsigned long serial;
18e144d3 698 unsigned long flags;
2ea00202 699 int wait = 0;
2c3dfe3f 700 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4 701
07db5183
AV		 702 qla2x00_block_error_handler(cmd);
703
f4f051eb 704 if (!CMD_SP(cmd))
2ea00202 705 return SUCCESS;
1da177e4 706
2ea00202 707 ret = SUCCESS;
1da177e4 708
f4f051eb 709 id = cmd->device->id;
710 lun = cmd->device->lun;
711 serial = cmd->serial_number;
1da177e4 712
f4f051eb 713 /* Check active list for command command. */
2c3dfe3f 714 spin_lock_irqsave(&pha->hardware_lock, flags);
f4f051eb 715 for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
2c3dfe3f 716 sp = pha->outstanding_cmds[i];
1da177e4 717
f4f051eb 718 if (sp == NULL)
719 continue;
1da177e4 720
f4f051eb 721 if (sp->cmd != cmd)
722 continue;
1da177e4 723
75bc4190
AV		 724 DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld.\n",
725 __func__, ha->host_no, sp, serial));
1da177e4 726
2c3dfe3f 727 spin_unlock_irqrestore(&pha->hardware_lock, flags);
fd34f556 728 if (ha->isp_ops->abort_command(ha, sp)) {
f4f051eb 729 DEBUG2(printk("%s(%ld): abort_command "
730 "mbx failed.\n", __func__, ha->host_no));
5bff55db 731 ret = FAILED;
f4f051eb 732 } else {
733 DEBUG3(printk("%s(%ld): abort_command "
734 "mbx success.\n", __func__, ha->host_no));
2ea00202 735 wait = 1;
f4f051eb 736 }
2c3dfe3f 737 spin_lock_irqsave(&pha->hardware_lock, flags);
1da177e4 738
f4f051eb 739 break;
740 }
2c3dfe3f 741 spin_unlock_irqrestore(&pha->hardware_lock, flags);
1da177e4 742
f4f051eb 743 /* Wait for the command to be returned. */
2ea00202 744 if (wait) {
f4f051eb 745 if (qla2x00_eh_wait_on_command(ha, cmd) != QLA_SUCCESS) {
fa2a1ce5 746 qla_printk(KERN_ERR, ha,
f4f051eb 747 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
748 "%x.\n", ha->host_no, id, lun, serial, ret);
2ea00202 749 ret = FAILED;
f4f051eb 750 }
1da177e4 751 }
1da177e4 752
fa2a1ce5 753 qla_printk(KERN_INFO, ha,
2ea00202
MR		 754 "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
755 ha->host_no, id, lun, wait, serial, ret);
1da177e4 756
f4f051eb 757 return ret;
758}
1da177e4 759
523ec773
AV		 760enum nexus_wait_type {
761 WAIT_HOST = 0,
762 WAIT_TARGET,
763 WAIT_LUN,
764};
765
f4f051eb 766static int
523ec773
AV		 767qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha, unsigned int t,
768 unsigned int l, enum nexus_wait_type type)
f4f051eb 769{
523ec773
AV		 770 int cnt, match, status;
771 srb_t *sp;
18e144d3 772 unsigned long flags;
2c3dfe3f 773 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4 774
523ec773
AV		 775 status = QLA_SUCCESS;
776 spin_lock_irqsave(&pha->hardware_lock, flags);
777 for (cnt = 1; status == QLA_SUCCESS && cnt < MAX_OUTSTANDING_COMMANDS;
778 cnt++) {
2c3dfe3f 779 sp = pha->outstanding_cmds[cnt];
523ec773
AV		 780 if (!sp)
781 continue;
19851f13
AV		 782
783 if (ha->vp_idx != sp->fcport->ha->vp_idx)
523ec773
AV		 784 continue;
785 match = 0;
786 switch (type) {
787 case WAIT_HOST:
788 match = 1;
789 break;
790 case WAIT_TARGET:
791 match = sp->cmd->device->id == t;
792 break;
793 case WAIT_LUN:
794 match = (sp->cmd->device->id == t &&
795 sp->cmd->device->lun == l);
796 break;
1da177e4 797 }
523ec773
AV		 798 if (!match)
799 continue;
800
801 spin_unlock_irqrestore(&pha->hardware_lock, flags);
802 status = qla2x00_eh_wait_on_command(ha, sp->cmd);
803 spin_lock_irqsave(&pha->hardware_lock, flags);
1da177e4 804 }
523ec773
AV		 805 spin_unlock_irqrestore(&pha->hardware_lock, flags);
806
807 return status;
1da177e4
LT		 808}
809
523ec773
AV		 810static char *reset_errors[] = {
811 "HBA not online",
812 "HBA not ready",
813 "Task management failed",
814 "Waiting for command completions",
815};
1da177e4 816
e5f82ab8 817static int
523ec773
AV		 818__qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
819 struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int))
1da177e4 820{
f363b943 821 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
bdf79621 822 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
523ec773 823 int err;
1da177e4 824
07db5183
AV		 825 qla2x00_block_error_handler(cmd);
826
b0328bee 827 if (!fcport)
523ec773 828 return FAILED;
1da177e4 829
523ec773
AV		 830 qla_printk(KERN_INFO, ha, "scsi(%ld:%d:%d): %s RESET ISSUED.\n",
831 ha->host_no, cmd->device->id, cmd->device->lun, name);
1da177e4 832
523ec773 833 err = 0;
94d0e7b8 834 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
523ec773
AV		 835 goto eh_reset_failed;
836 err = 1;
837 if (qla2x00_wait_for_loop_ready(ha) != QLA_SUCCESS)
838 goto eh_reset_failed;
839 err = 2;
840 if (do_reset(fcport, cmd->device->lun) != QLA_SUCCESS)
841 goto eh_reset_failed;
842 err = 3;
843 if (qla2x00_eh_wait_for_pending_commands(ha, cmd->device->id,
844 cmd->device->lun, type) != QLA_SUCCESS)
845 goto eh_reset_failed;
846
847 qla_printk(KERN_INFO, ha, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n",
848 ha->host_no, cmd->device->id, cmd->device->lun, name);
849
850 return SUCCESS;
851
852 eh_reset_failed:
853 qla_printk(KERN_INFO, ha, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n",
854 ha->host_no, cmd->device->id, cmd->device->lun, name,
855 reset_errors[err]);
856 return FAILED;
857}
1da177e4 858
523ec773
AV		 859static int
860qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
861{
862 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
1da177e4 863
523ec773
AV		 864 return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
865 ha->isp_ops->lun_reset);
1da177e4
LT		 866}
867
1da177e4 868static int
523ec773 869qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1da177e4 870{
523ec773 871 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
1da177e4 872
523ec773
AV		 873 return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
874 ha->isp_ops->target_reset);
1da177e4
LT		 875}
876
1da177e4
LT		 877/**************************************************************************
878* qla2xxx_eh_bus_reset
879*
880* Description:
881* The bus reset function will reset the bus and abort any executing
882* commands.
883*
884* Input:
885* cmd = Linux SCSI command packet of the command that cause the
886* bus reset.
887*
888* Returns:
889* SUCCESS/FAILURE (defined as macro in scsi.h).
890*
891**************************************************************************/
e5f82ab8 892static int
1da177e4
LT		 893qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
894{
f363b943 895 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
2c3dfe3f 896 scsi_qla_host_t *pha = to_qla_parent(ha);
bdf79621 897 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
2c3dfe3f 898 int ret = FAILED;
f4f051eb 899 unsigned int id, lun;
900 unsigned long serial;
901
07db5183
AV		 902 qla2x00_block_error_handler(cmd);
903
f4f051eb 904 id = cmd->device->id;
905 lun = cmd->device->lun;
906 serial = cmd->serial_number;
1da177e4 907
b0328bee 908 if (!fcport)
f4f051eb 909 return ret;
1da177e4
LT		 910
911 qla_printk(KERN_INFO, ha,
f4f051eb 912 "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha->host_no, id, lun);
1da177e4 913
1da177e4
LT		 914 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) {
915 DEBUG2(printk("%s failed:board disabled\n",__func__));
f4f051eb 916 goto eh_bus_reset_done;
1da177e4
LT		 917 }
918
919 if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
f4f051eb 920 if (qla2x00_loop_reset(ha) == QLA_SUCCESS)
921 ret = SUCCESS;
1da177e4 922 }
f4f051eb 923 if (ret == FAILED)
924 goto eh_bus_reset_done;
1da177e4 925
9a41a62b 926 /* Flush outstanding commands. */
523ec773
AV		 927 if (qla2x00_eh_wait_for_pending_commands(pha, 0, 0, WAIT_HOST) !=
928 QLA_SUCCESS)
9a41a62b 929 ret = FAILED;
1da177e4 930
f4f051eb 931eh_bus_reset_done:
1da177e4 932 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
f4f051eb 933 (ret == FAILED) ? "failed" : "succeded");
1da177e4 934
f4f051eb 935 return ret;
1da177e4
LT		 936}
937
938/**************************************************************************
939* qla2xxx_eh_host_reset
940*
941* Description:
942* The reset function will reset the Adapter.
943*
944* Input:
945* cmd = Linux SCSI command packet of the command that cause the
946* adapter reset.
947*
948* Returns:
949* Either SUCCESS or FAILED.
950*
951* Note:
952**************************************************************************/
e5f82ab8 953static int
1da177e4
LT		 954qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
955{
f363b943 956 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
bdf79621 957 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
2c3dfe3f 958 int ret = FAILED;
f4f051eb 959 unsigned int id, lun;
960 unsigned long serial;
2c3dfe3f 961 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4 962
07db5183
AV		 963 qla2x00_block_error_handler(cmd);
964
f4f051eb 965 id = cmd->device->id;
966 lun = cmd->device->lun;
967 serial = cmd->serial_number;
968
b0328bee 969 if (!fcport)
f4f051eb 970 return ret;
1da177e4 971
1da177e4 972 qla_printk(KERN_INFO, ha,
f4f051eb 973 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha->host_no, id, lun);
1da177e4 974
1da177e4 975 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
f4f051eb 976 goto eh_host_reset_lock;
1da177e4
LT		 977
978 /*
979 * Fixme-may be dpc thread is active and processing
fa2a1ce5 980 * loop_resync,so wait a while for it to
1da177e4
LT		 981 * be completed and then issue big hammer.Otherwise
982 * it may cause I/O failure as big hammer marks the
983 * devices as lost kicking of the port_down_timer
984 * while dpc is stuck for the mailbox to complete.
985 */
1da177e4 986 qla2x00_wait_for_loop_ready(ha);
2c3dfe3f
SJ		 987 set_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
988 if (qla2x00_abort_isp(pha)) {
989 clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
1da177e4 990 /* failed. schedule dpc to try */
2c3dfe3f 991 set_bit(ISP_ABORT_NEEDED, &pha->dpc_flags);
1da177e4
LT		 992
993 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
f4f051eb 994 goto eh_host_reset_lock;
fa2a1ce5 995 }
2c3dfe3f 996 clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
1da177e4 997
1da177e4 998 /* Waiting for our command in done_queue to be returned to OS.*/
523ec773
AV		 999 if (qla2x00_eh_wait_for_pending_commands(pha, 0, 0, WAIT_HOST) ==
1000 QLA_SUCCESS)
f4f051eb 1001 ret = SUCCESS;
1da177e4 1002
2c3dfe3f
SJ		 1003 if (ha->parent)
1004 qla2x00_vp_abort_isp(ha);
1005
f4f051eb 1006eh_host_reset_lock:
f4f051eb 1007 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1008 (ret == FAILED) ? "failed" : "succeded");
1da177e4 1009
f4f051eb 1010 return ret;
1011}
1da177e4
LT		 1012
1013/*
1014* qla2x00_loop_reset
1015* Issue loop reset.
1016*
1017* Input:
1018* ha = adapter block pointer.
1019*
1020* Returns:
1021* 0 = success
1022*/
a4722cf2 1023int
1da177e4
LT		 1024qla2x00_loop_reset(scsi_qla_host_t *ha)
1025{
0c8c39af 1026 int ret;
bdf79621 1027 struct fc_port *fcport;
1da177e4 1028
0c8c39af
AV		 1029 if (ha->flags.enable_lip_full_login) {
1030 ret = qla2x00_full_login_lip(ha);
1031 if (ret != QLA_SUCCESS) {
1032 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1033 "full_login_lip=%d.\n", __func__, ha->host_no,
1034 ret));
1035 }
1036 atomic_set(&ha->loop_state, LOOP_DOWN);
1037 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
1038 qla2x00_mark_all_devices_lost(ha, 0);
1039 qla2x00_wait_for_loop_ready(ha);
1040 }
1041
1da177e4 1042 if (ha->flags.enable_lip_reset) {
0c8c39af
AV		 1043 ret = qla2x00_lip_reset(ha);
1044 if (ret != QLA_SUCCESS) {
1045 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1046 "lip_reset=%d.\n", __func__, ha->host_no, ret));
1047 }
1048 qla2x00_wait_for_loop_ready(ha);
1da177e4
LT		 1049 }
1050
0c8c39af 1051 if (ha->flags.enable_target_reset) {
bdf79621 1052 list_for_each_entry(fcport, &ha->fcports, list) {
1053 if (fcport->port_type != FCT_TARGET)
1da177e4
LT		 1054 continue;
1055
523ec773 1056 ret = ha->isp_ops->target_reset(fcport, 0);
0c8c39af
AV		 1057 if (ret != QLA_SUCCESS) {
1058 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1059 "target_reset=%d d_id=%x.\n", __func__,
1060 ha->host_no, ret, fcport->d_id.b24));
1061 }
1da177e4
LT		 1062 }
1063 }
1064
1da177e4
LT		 1065 /* Issue marker command only when we are going to start the I/O */
1066 ha->marker_needed = 1;
1067
0c8c39af 1068 return QLA_SUCCESS;
1da177e4
LT		 1069}
1070
df4bf0bb
AV		 1071void
1072qla2x00_abort_all_cmds(scsi_qla_host_t *ha, int res)
1073{
1074 int cnt;
1075 unsigned long flags;
1076 srb_t *sp;
1077
1078 spin_lock_irqsave(&ha->hardware_lock, flags);
1079 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1080 sp = ha->outstanding_cmds[cnt];
1081 if (sp) {
1082 ha->outstanding_cmds[cnt] = NULL;
df4bf0bb 1083 sp->cmd->result = res;
df4bf0bb
AV		 1084 qla2x00_sp_compl(ha, sp);
1085 }
1086 }
1087 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1088}
1089
f4f051eb 1090static int
1091qla2xxx_slave_alloc(struct scsi_device *sdev)
1da177e4 1092{
bdf79621 1093 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1da177e4 1094
19a7b4ae 1095 if (!rport || fc_remote_port_chkready(rport))
f4f051eb 1096 return -ENXIO;
bdf79621 1097
19a7b4ae 1098 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1da177e4 1099
f4f051eb 1100 return 0;
1101}
1da177e4 1102
f4f051eb 1103static int
1104qla2xxx_slave_configure(struct scsi_device *sdev)
1105{
f363b943 1106 scsi_qla_host_t *ha = shost_priv(sdev->host);
8482e118 1107 struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1108
f4f051eb 1109 if (sdev->tagged_supported)
df7baa50 1110 scsi_activate_tcq(sdev, ha->max_q_depth);
f4f051eb 1111 else
df7baa50 1112 scsi_deactivate_tcq(sdev, ha->max_q_depth);
1da177e4 1113
85821c90 1114 rport->dev_loss_tmo = ha->port_down_retry_count;
8482e118 1115
f4f051eb 1116 return 0;
1117}
1da177e4 1118
f4f051eb 1119static void
1120qla2xxx_slave_destroy(struct scsi_device *sdev)
1121{
1122 sdev->hostdata = NULL;
1da177e4
LT		 1123}
1124
ce7e4af7
AV		 1125static int
1126qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
1127{
1128 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1129 return sdev->queue_depth;
1130}
1131
1132static int
1133qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1134{
1135 if (sdev->tagged_supported) {
1136 scsi_set_tag_type(sdev, tag_type);
1137 if (tag_type)
1138 scsi_activate_tcq(sdev, sdev->queue_depth);
1139 else
1140 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1141 } else
1142 tag_type = 0;
1143
1144 return tag_type;
1145}
1146
1da177e4
LT		 1147/**
1148 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1149 * @ha: HA context
1150 *
1151 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1152 * supported addressing method.
1153 */
1154static void
1155qla2x00_config_dma_addressing(scsi_qla_host_t *ha)
1156{
7524f9b9 1157 /* Assume a 32bit DMA mask. */
1da177e4 1158 ha->flags.enable_64bit_addressing = 0;
1da177e4 1159
7524f9b9
AV		 1160 if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) {
1161 /* Any upper-dword bits set? */
1162 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1163 !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) {
1164 /* Ok, a 64bit DMA mask is applicable. */
1da177e4 1165 ha->flags.enable_64bit_addressing = 1;
fd34f556
AV		 1166 ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1167 ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
7524f9b9 1168 return;
1da177e4 1169 }
1da177e4 1170 }
7524f9b9
AV		 1171
1172 dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK);
1173 pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK);
1da177e4
LT		 1174}
1175
fd34f556
AV		 1176static void
1177qla2x00_enable_intrs(scsi_qla_host_t *ha)
1178{
1179 unsigned long flags = 0;
1180 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1181
1182 spin_lock_irqsave(&ha->hardware_lock, flags);
1183 ha->interrupts_on = 1;
1184 /* enable risc and host interrupts */
1185 WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1186 RD_REG_WORD(&reg->ictrl);
1187 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1188
1189}
1190
1191static void
1192qla2x00_disable_intrs(scsi_qla_host_t *ha)
1193{
1194 unsigned long flags = 0;
1195 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1196
1197 spin_lock_irqsave(&ha->hardware_lock, flags);
1198 ha->interrupts_on = 0;
1199 /* disable risc and host interrupts */
1200 WRT_REG_WORD(&reg->ictrl, 0);
1201 RD_REG_WORD(&reg->ictrl);
1202 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1203}
1204
1205static void
1206qla24xx_enable_intrs(scsi_qla_host_t *ha)
1207{
1208 unsigned long flags = 0;
1209 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1210
1211 spin_lock_irqsave(&ha->hardware_lock, flags);
1212 ha->interrupts_on = 1;
1213 WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1214 RD_REG_DWORD(&reg->ictrl);
1215 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1216}
1217
1218static void
1219qla24xx_disable_intrs(scsi_qla_host_t *ha)
1220{
1221 unsigned long flags = 0;
1222 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1223
1224 spin_lock_irqsave(&ha->hardware_lock, flags);
1225 ha->interrupts_on = 0;
1226 WRT_REG_DWORD(&reg->ictrl, 0);
1227 RD_REG_DWORD(&reg->ictrl);
1228 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1229}
1230
1231static struct isp_operations qla2100_isp_ops = {
1232 .pci_config = qla2100_pci_config,
1233 .reset_chip = qla2x00_reset_chip,
1234 .chip_diag = qla2x00_chip_diag,
1235 .config_rings = qla2x00_config_rings,
1236 .reset_adapter = qla2x00_reset_adapter,
1237 .nvram_config = qla2x00_nvram_config,
1238 .update_fw_options = qla2x00_update_fw_options,
1239 .load_risc = qla2x00_load_risc,
1240 .pci_info_str = qla2x00_pci_info_str,
1241 .fw_version_str = qla2x00_fw_version_str,
1242 .intr_handler = qla2100_intr_handler,
1243 .enable_intrs = qla2x00_enable_intrs,
1244 .disable_intrs = qla2x00_disable_intrs,
1245 .abort_command = qla2x00_abort_command,
523ec773
AV		 1246 .target_reset = qla2x00_abort_target,
1247 .lun_reset = qla2x00_lun_reset,
fd34f556
AV		 1248 .fabric_login = qla2x00_login_fabric,
1249 .fabric_logout = qla2x00_fabric_logout,
1250 .calc_req_entries = qla2x00_calc_iocbs_32,
1251 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1252 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1253 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1254 .read_nvram = qla2x00_read_nvram_data,
1255 .write_nvram = qla2x00_write_nvram_data,
1256 .fw_dump = qla2100_fw_dump,
1257 .beacon_on = NULL,
1258 .beacon_off = NULL,
1259 .beacon_blink = NULL,
1260 .read_optrom = qla2x00_read_optrom_data,
1261 .write_optrom = qla2x00_write_optrom_data,
1262 .get_flash_version = qla2x00_get_flash_version,
1263};
1264
1265static struct isp_operations qla2300_isp_ops = {
1266 .pci_config = qla2300_pci_config,
1267 .reset_chip = qla2x00_reset_chip,
1268 .chip_diag = qla2x00_chip_diag,
1269 .config_rings = qla2x00_config_rings,
1270 .reset_adapter = qla2x00_reset_adapter,
1271 .nvram_config = qla2x00_nvram_config,
1272 .update_fw_options = qla2x00_update_fw_options,
1273 .load_risc = qla2x00_load_risc,
1274 .pci_info_str = qla2x00_pci_info_str,
1275 .fw_version_str = qla2x00_fw_version_str,
1276 .intr_handler = qla2300_intr_handler,
1277 .enable_intrs = qla2x00_enable_intrs,
1278 .disable_intrs = qla2x00_disable_intrs,
1279 .abort_command = qla2x00_abort_command,
523ec773
AV		 1280 .target_reset = qla2x00_abort_target,
1281 .lun_reset = qla2x00_lun_reset,
fd34f556
AV		 1282 .fabric_login = qla2x00_login_fabric,
1283 .fabric_logout = qla2x00_fabric_logout,
1284 .calc_req_entries = qla2x00_calc_iocbs_32,
1285 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1286 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1287 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1288 .read_nvram = qla2x00_read_nvram_data,
1289 .write_nvram = qla2x00_write_nvram_data,
1290 .fw_dump = qla2300_fw_dump,
1291 .beacon_on = qla2x00_beacon_on,
1292 .beacon_off = qla2x00_beacon_off,
1293 .beacon_blink = qla2x00_beacon_blink,
1294 .read_optrom = qla2x00_read_optrom_data,
1295 .write_optrom = qla2x00_write_optrom_data,
1296 .get_flash_version = qla2x00_get_flash_version,
1297};
1298
1299static struct isp_operations qla24xx_isp_ops = {
1300 .pci_config = qla24xx_pci_config,
1301 .reset_chip = qla24xx_reset_chip,
1302 .chip_diag = qla24xx_chip_diag,
1303 .config_rings = qla24xx_config_rings,
1304 .reset_adapter = qla24xx_reset_adapter,
1305 .nvram_config = qla24xx_nvram_config,
1306 .update_fw_options = qla24xx_update_fw_options,
1307 .load_risc = qla24xx_load_risc,
1308 .pci_info_str = qla24xx_pci_info_str,
1309 .fw_version_str = qla24xx_fw_version_str,
1310 .intr_handler = qla24xx_intr_handler,
1311 .enable_intrs = qla24xx_enable_intrs,
1312 .disable_intrs = qla24xx_disable_intrs,
1313 .abort_command = qla24xx_abort_command,
523ec773
AV		 1314 .target_reset = qla24xx_abort_target,
1315 .lun_reset = qla24xx_lun_reset,
fd34f556
AV		 1316 .fabric_login = qla24xx_login_fabric,
1317 .fabric_logout = qla24xx_fabric_logout,
1318 .calc_req_entries = NULL,
1319 .build_iocbs = NULL,
1320 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1321 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1322 .read_nvram = qla24xx_read_nvram_data,
1323 .write_nvram = qla24xx_write_nvram_data,
1324 .fw_dump = qla24xx_fw_dump,
1325 .beacon_on = qla24xx_beacon_on,
1326 .beacon_off = qla24xx_beacon_off,
1327 .beacon_blink = qla24xx_beacon_blink,
1328 .read_optrom = qla24xx_read_optrom_data,
1329 .write_optrom = qla24xx_write_optrom_data,
1330 .get_flash_version = qla24xx_get_flash_version,
1331};
1332
c3a2f0df
AV		 1333static struct isp_operations qla25xx_isp_ops = {
1334 .pci_config = qla25xx_pci_config,
1335 .reset_chip = qla24xx_reset_chip,
1336 .chip_diag = qla24xx_chip_diag,
1337 .config_rings = qla24xx_config_rings,
1338 .reset_adapter = qla24xx_reset_adapter,
1339 .nvram_config = qla24xx_nvram_config,
1340 .update_fw_options = qla24xx_update_fw_options,
1341 .load_risc = qla24xx_load_risc,
1342 .pci_info_str = qla24xx_pci_info_str,
1343 .fw_version_str = qla24xx_fw_version_str,
1344 .intr_handler = qla24xx_intr_handler,
1345 .enable_intrs = qla24xx_enable_intrs,
1346 .disable_intrs = qla24xx_disable_intrs,
1347 .abort_command = qla24xx_abort_command,
523ec773
AV		 1348 .target_reset = qla24xx_abort_target,
1349 .lun_reset = qla24xx_lun_reset,
c3a2f0df
AV		 1350 .fabric_login = qla24xx_login_fabric,
1351 .fabric_logout = qla24xx_fabric_logout,
1352 .calc_req_entries = NULL,
1353 .build_iocbs = NULL,
1354 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1355 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1356 .read_nvram = qla25xx_read_nvram_data,
1357 .write_nvram = qla25xx_write_nvram_data,
1358 .fw_dump = qla25xx_fw_dump,
1359 .beacon_on = qla24xx_beacon_on,
1360 .beacon_off = qla24xx_beacon_off,
1361 .beacon_blink = qla24xx_beacon_blink,
338c9161 1362 .read_optrom = qla25xx_read_optrom_data,
c3a2f0df
AV		 1363 .write_optrom = qla24xx_write_optrom_data,
1364 .get_flash_version = qla24xx_get_flash_version,
1365};
1366
ea5b6382 1367static inline void
1368qla2x00_set_isp_flags(scsi_qla_host_t *ha)
1369{
1370 ha->device_type = DT_EXTENDED_IDS;
1371 switch (ha->pdev->device) {
1372 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1373 ha->device_type |= DT_ISP2100;
1374 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1375 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382 1376 break;
1377 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1378 ha->device_type |= DT_ISP2200;
1379 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1380 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382 1381 break;
1382 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1383 ha->device_type |= DT_ISP2300;
4a59f71d 1384 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1385 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1386 break;
1387 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1388 ha->device_type |= DT_ISP2312;
4a59f71d 1389 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1390 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1391 break;
1392 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1393 ha->device_type |= DT_ISP2322;
4a59f71d 1394 ha->device_type |= DT_ZIO_SUPPORTED;
ea5b6382 1395 if (ha->pdev->subsystem_vendor == 0x1028 &&
1396 ha->pdev->subsystem_device == 0x0170)
1397 ha->device_type |= DT_OEM_001;
441d1072 1398 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1399 break;
1400 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1401 ha->device_type |= DT_ISP6312;
441d1072 1402 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1403 break;
1404 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1405 ha->device_type |= DT_ISP6322;
441d1072 1406 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1407 break;
1408 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1409 ha->device_type |= DT_ISP2422;
4a59f71d 1410 ha->device_type |= DT_ZIO_SUPPORTED;
e428924c 1411 ha->device_type |= DT_FWI2;
c76f2c01 1412 ha->device_type |= DT_IIDMA;
441d1072 1413 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1414 break;
1415 case PCI_DEVICE_ID_QLOGIC_ISP2432:
1416 ha->device_type |= DT_ISP2432;
4a59f71d 1417 ha->device_type |= DT_ZIO_SUPPORTED;
e428924c 1418 ha->device_type |= DT_FWI2;
c76f2c01 1419 ha->device_type |= DT_IIDMA;
441d1072 1420 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1421 break;
4d4df193
HK		 1422 case PCI_DEVICE_ID_QLOGIC_ISP8432:
1423 ha->device_type |= DT_ISP8432;
1424 ha->device_type |= DT_ZIO_SUPPORTED;
1425 ha->device_type |= DT_FWI2;
1426 ha->device_type |= DT_IIDMA;
1427 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1428 break;
044cc6c8 1429 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1430 ha->device_type |= DT_ISP5422;
e428924c 1431 ha->device_type |= DT_FWI2;
441d1072 1432 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1433 break;
044cc6c8 1434 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1435 ha->device_type |= DT_ISP5432;
e428924c 1436 ha->device_type |= DT_FWI2;
441d1072 1437 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1438 break;
c3a2f0df
AV		 1439 case PCI_DEVICE_ID_QLOGIC_ISP2532:
1440 ha->device_type |= DT_ISP2532;
1441 ha->device_type |= DT_ZIO_SUPPORTED;
1442 ha->device_type |= DT_FWI2;
1443 ha->device_type |= DT_IIDMA;
441d1072 1444 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1445 break;
1446 }
1447}
1448
1da177e4
LT		 1449static int
1450qla2x00_iospace_config(scsi_qla_host_t *ha)
1451{
3776541d 1452 resource_size_t pio;
1da177e4 1453
285d0321
AV		 1454 if (pci_request_selected_regions(ha->pdev, ha->bars,
1455 QLA2XXX_DRIVER_NAME)) {
1456 qla_printk(KERN_WARNING, ha,
1457 "Failed to reserve PIO/MMIO regions (%s)\n",
1458 pci_name(ha->pdev));
1459
1460 goto iospace_error_exit;
1461 }
1462 if (!(ha->bars & 1))
1463 goto skip_pio;
1464
1da177e4
LT		 1465 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1466 pio = pci_resource_start(ha->pdev, 0);
3776541d
AV		 1467 if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1468 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1da177e4
LT		 1469 qla_printk(KERN_WARNING, ha,
1470 "Invalid PCI I/O region size (%s)...\n",
1471 pci_name(ha->pdev));
1472 pio = 0;
1473 }
1474 } else {
1475 qla_printk(KERN_WARNING, ha,
1476 "region #0 not a PIO resource (%s)...\n",
1477 pci_name(ha->pdev));
1478 pio = 0;
1479 }
285d0321 1480 ha->pio_address = pio;
1da177e4 1481
285d0321 1482skip_pio:
1da177e4 1483 /* Use MMIO operations for all accesses. */
3776541d 1484 if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1da177e4 1485 qla_printk(KERN_ERR, ha,
3776541d 1486 "region #1 not an MMIO resource (%s), aborting\n",
1da177e4
LT		 1487 pci_name(ha->pdev));
1488 goto iospace_error_exit;
1489 }
3776541d 1490 if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1da177e4
LT		 1491 qla_printk(KERN_ERR, ha,
1492 "Invalid PCI mem region size (%s), aborting\n",
1493 pci_name(ha->pdev));
1494 goto iospace_error_exit;
1495 }
1496
3776541d 1497 ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1da177e4
LT		 1498 if (!ha->iobase) {
1499 qla_printk(KERN_ERR, ha,
1500 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1501
1502 goto iospace_error_exit;
1503 }
1504
1505 return (0);
1506
1507iospace_error_exit:
1508 return (-ENOMEM);
1509}
1510
1e99e33a
AV		 1511static void
1512qla2xxx_scan_start(struct Scsi_Host *shost)
1513{
f363b943 1514 scsi_qla_host_t *ha = shost_priv(shost);
1e99e33a
AV		 1515
1516 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
1517 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1518 set_bit(RSCN_UPDATE, &ha->dpc_flags);
272976ca 1519 set_bit(NPIV_CONFIG_NEEDED, &ha->dpc_flags);
1e99e33a
AV		 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 1569
0927678f
JB		 1570 /* This may fail but that's ok */
1571 pci_enable_pcie_error_reporting(pdev);
285d0321 1572
5433383e 1573 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
1da177e4
LT		 1574 if (host == NULL) {
1575 printk(KERN_WARNING
1576 "qla2xxx: Couldn't allocate host from scsi layer!\n");
1577 goto probe_disable_device;
1578 }
1579
1580 /* Clear our data area */
f363b943 1581 ha = shost_priv(host);
1da177e4
LT		 1582 memset(ha, 0, sizeof(scsi_qla_host_t));
1583
1584 ha->pdev = pdev;
1585 ha->host = host;
1586 ha->host_no = host->host_no;
cb63067a 1587 sprintf(ha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, ha->host_no);
2c3dfe3f 1588 ha->parent = NULL;
285d0321 1589 ha->bars = bars;
09483916 1590 ha->mem_only = mem_only;
df4bf0bb 1591 spin_lock_init(&ha->hardware_lock);
1da177e4 1592
ea5b6382 1593 /* Set ISP-type information. */
1594 qla2x00_set_isp_flags(ha);
1595
1da177e4
LT		 1596 /* Configure PCI I/O space */
1597 ret = qla2x00_iospace_config(ha);
a1541d5a
AV		 1598 if (ret)
1599 goto probe_failed;
1da177e4 1600
1da177e4 1601 qla_printk(KERN_INFO, ha,
5433383e
AV		 1602 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1603 ha->iobase);
1da177e4 1604
1da177e4 1605 ha->prev_topology = 0;
fca29703 1606 ha->init_cb_size = sizeof(init_cb_t);
2c3dfe3f 1607 ha->mgmt_svr_loop_id = MANAGEMENT_SERVER + ha->vp_idx;
d8b45213 1608 ha->link_data_rate = PORT_SPEED_UNKNOWN;
854165f4 1609 ha->optrom_size = OPTROM_SIZE_2300;
1da177e4 1610
df7baa50
AV		 1611 ha->max_q_depth = MAX_Q_DEPTH;
1612 if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
1613 ha->max_q_depth = ql2xmaxqdepth;
1614
abbd8870 1615 /* Assign ISP specific operations. */
1da177e4 1616 if (IS_QLA2100(ha)) {
354d6b21 1617 host->max_id = MAX_TARGETS_2100;
1da177e4
LT		 1618 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
1619 ha->request_q_length = REQUEST_ENTRY_CNT_2100;
1620 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1621 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
1622 host->sg_tablesize = 32;
abbd8870 1623 ha->gid_list_info_size = 4;
fd34f556 1624 ha->isp_ops = &qla2100_isp_ops;
1da177e4 1625 } else if (IS_QLA2200(ha)) {
354d6b21 1626 host->max_id = MAX_TARGETS_2200;
1da177e4
LT		 1627 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1628 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1629 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1630 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
abbd8870 1631 ha->gid_list_info_size = 4;
fd34f556 1632 ha->isp_ops = &qla2100_isp_ops;
fca29703 1633 } else if (IS_QLA23XX(ha)) {
354d6b21 1634 host->max_id = MAX_TARGETS_2200;
1da177e4
LT		 1635 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1636 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1637 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1638 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
abbd8870 1639 ha->gid_list_info_size = 6;
854165f4 1640 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1641 ha->optrom_size = OPTROM_SIZE_2322;
fd34f556 1642 ha->isp_ops = &qla2300_isp_ops;
4d4df193 1643 } else if (IS_QLA24XX_TYPE(ha)) {
fca29703
AV		 1644 host->max_id = MAX_TARGETS_2200;
1645 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1646 ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
1647 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1648 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
2c3dfe3f
SJ		 1649 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1650 ha->mgmt_svr_loop_id = 10 + ha->vp_idx;
fca29703 1651 ha->gid_list_info_size = 8;
854165f4 1652 ha->optrom_size = OPTROM_SIZE_24XX;
fd34f556 1653 ha->isp_ops = &qla24xx_isp_ops;
c3a2f0df
AV		 1654 } else if (IS_QLA25XX(ha)) {
1655 host->max_id = MAX_TARGETS_2200;
1656 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1657 ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
1658 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1659 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1660 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1661 ha->mgmt_svr_loop_id = 10 + ha->vp_idx;
1662 ha->gid_list_info_size = 8;
1663 ha->optrom_size = OPTROM_SIZE_25XX;
1664 ha->isp_ops = &qla25xx_isp_ops;
1da177e4
LT		 1665 }
1666 host->can_queue = ha->request_q_length + 128;
1667
6c2f527c 1668 mutex_init(&ha->vport_lock);
0b05a1f0
MB		 1669 init_completion(&ha->mbx_cmd_comp);
1670 complete(&ha->mbx_cmd_comp);
1671 init_completion(&ha->mbx_intr_comp);
1da177e4
LT		 1672
1673 INIT_LIST_HEAD(&ha->list);
1674 INIT_LIST_HEAD(&ha->fcports);
2c3dfe3f 1675 INIT_LIST_HEAD(&ha->vp_list);
0971de7f 1676 INIT_LIST_HEAD(&ha->work_list);
2c3dfe3f
SJ		 1677
1678 set_bit(0, (unsigned long *) ha->vp_idx_map);
1da177e4 1679
1da177e4
LT		 1680 qla2x00_config_dma_addressing(ha);
1681 if (qla2x00_mem_alloc(ha)) {
1682 qla_printk(KERN_WARNING, ha,
1683 "[ERROR] Failed to allocate memory for adapter\n");
1684
a1541d5a
AV		 1685 ret = -ENOMEM;
1686 goto probe_failed;
1da177e4
LT		 1687 }
1688
765140bf 1689 if (qla2x00_initialize_adapter(ha)) {
1da177e4
LT		 1690 qla_printk(KERN_WARNING, ha,
1691 "Failed to initialize adapter\n");
1692
1693 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1694 "Adapter flags %x.\n",
1695 ha->host_no, ha->device_flags));
1696
a1541d5a 1697 ret = -ENODEV;
1da177e4
LT		 1698 goto probe_failed;
1699 }
1700
1701 /*
1702 * Startup the kernel thread for this host adapter
1703 */
39a11240
CH		 1704 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
1705 "%s_dpc", ha->host_str);
1706 if (IS_ERR(ha->dpc_thread)) {
1da177e4
LT		 1707 qla_printk(KERN_WARNING, ha,
1708 "Unable to start DPC thread!\n");
39a11240 1709 ret = PTR_ERR(ha->dpc_thread);
1da177e4
LT		 1710 goto probe_failed;
1711 }
1da177e4 1712
a1541d5a
AV		 1713 host->this_id = 255;
1714 host->cmd_per_lun = 3;
711c1d91 1715 host->unique_id = host->host_no;
a1541d5a 1716 host->max_cmd_len = MAX_CMDSZ;
75bc4190 1717 host->max_channel = MAX_BUSES - 1;
a1541d5a
AV		 1718 host->max_lun = MAX_LUNS;
1719 host->transportt = qla2xxx_transport_template;
1720
a8488abe
AV		 1721 ret = qla2x00_request_irqs(ha);
1722 if (ret)
1da177e4 1723 goto probe_failed;
1da177e4
LT		 1724
1725 /* Initialized the timer */
1726 qla2x00_start_timer(ha, qla2x00_timer, WATCH_INTERVAL);
1727
1728 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
1729 ha->host_no, ha));
1730
a1541d5a 1731 pci_set_drvdata(pdev, ha);
d19044c3 1732
1da177e4 1733 ha->flags.init_done = 1;
d19044c3
AV		 1734 ha->flags.online = 1;
1735
a1541d5a
AV		 1736 ret = scsi_add_host(host, &pdev->dev);
1737 if (ret)
1738 goto probe_failed;
1739
048feec5
AV		 1740 ha->isp_ops->enable_intrs(ha);
1741
1e99e33a
AV		 1742 scsi_scan_host(host);
1743
a1541d5a
AV		 1744 qla2x00_alloc_sysfs_attr(ha);
1745
1746 qla2x00_init_host_attr(ha);
1747
df613b96
AV		 1748 qla2x00_dfs_setup(ha);
1749
1da177e4
LT		 1750 qla_printk(KERN_INFO, ha, "\n"
1751 " QLogic Fibre Channel HBA Driver: %s\n"
1752 " QLogic %s - %s\n"
5433383e
AV		 1753 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
1754 qla2x00_version_str, ha->model_number,
1755 ha->model_desc ? ha->model_desc: "", pdev->device,
fd34f556 1756 ha->isp_ops->pci_info_str(ha, pci_info), pci_name(pdev),
5433383e 1757 ha->flags.enable_64bit_addressing ? '+': '-', ha->host_no,
fd34f556 1758 ha->isp_ops->fw_version_str(ha, fw_str));
1da177e4 1759
1da177e4
LT		 1760 return 0;
1761
1762probe_failed:
1763 qla2x00_free_device(ha);
1764
1765 scsi_host_put(host);
1766
1767probe_disable_device:
1768 pci_disable_device(pdev);
1769
a1541d5a
AV		 1770probe_out:
1771 return ret;
1da177e4 1772}
1da177e4 1773
4c993f76 1774static void
7ee61397 1775qla2x00_remove_one(struct pci_dev *pdev)
1da177e4 1776{
c795c1e4 1777 scsi_qla_host_t *ha, *vha, *temp;
1da177e4
LT		 1778
1779 ha = pci_get_drvdata(pdev);
1780
c795c1e4
AV		 1781 list_for_each_entry_safe(vha, temp, &ha->vp_list, vp_list)
1782 fc_vport_terminate(vha->fc_vport);
1783
1784 set_bit(UNLOADING, &ha->dpc_flags);
1785
df613b96
AV		 1786 qla2x00_dfs_remove(ha);
1787
4d4df193
HK		 1788 qla84xx_put_chip(ha);
1789
8482e118 1790 qla2x00_free_sysfs_attr(ha);
1da177e4 1791
bdf79621 1792 fc_remove_host(ha->host);
1793
1da177e4
LT		 1794 scsi_remove_host(ha->host);
1795
1796 qla2x00_free_device(ha);
1797
1798 scsi_host_put(ha->host);
1799
665db93b 1800 pci_disable_device(pdev);
1da177e4
LT		 1801 pci_set_drvdata(pdev, NULL);
1802}
1da177e4
LT		 1803
1804static void
1805qla2x00_free_device(scsi_qla_host_t *ha)
1806{
df4bf0bb
AV		 1807 qla2x00_abort_all_cmds(ha, DID_NO_CONNECT << 16);
1808
1da177e4
LT		 1809 /* Disable timer */
1810 if (ha->timer_active)
1811 qla2x00_stop_timer(ha);
1812
df4bf0bb
AV		 1813 ha->flags.online = 0;
1814
1da177e4 1815 /* Kill the kernel thread for this host */
39a11240
CH		 1816 if (ha->dpc_thread) {
1817 struct task_struct *t = ha->dpc_thread;
1da177e4 1818
39a11240
CH		 1819 /*
1820 * qla2xxx_wake_dpc checks for ->dpc_thread
1821 * so we need to zero it out.
1822 */
1823 ha->dpc_thread = NULL;
1824 kthread_stop(t);
1da177e4
LT		 1825 }
1826
df613b96
AV		 1827 if (ha->flags.fce_enabled)
1828 qla2x00_disable_fce_trace(ha, NULL, NULL);
1829
a7a167bf 1830 if (ha->eft)
00b6bd25 1831 qla2x00_disable_eft_trace(ha);
a7a167bf 1832
f6ef3b18 1833 /* Stop currently executing firmware. */
18c6c127 1834 qla2x00_try_to_stop_firmware(ha);
1da177e4 1835
f6ef3b18
AV		 1836 /* turn-off interrupts on the card */
1837 if (ha->interrupts_on)
fd34f556 1838 ha->isp_ops->disable_intrs(ha);
f6ef3b18
AV		 1839
1840 qla2x00_mem_free(ha);
1da177e4 1841
a8488abe 1842 qla2x00_free_irqs(ha);
1da177e4
LT		 1843
1844 /* release io space registers */
1845 if (ha->iobase)
1846 iounmap(ha->iobase);
285d0321 1847 pci_release_selected_regions(ha->pdev, ha->bars);
1da177e4
LT		 1848}
1849
d97994dc 1850static inline void
1851qla2x00_schedule_rport_del(struct scsi_qla_host *ha, fc_port_t *fcport,
1852 int defer)
1853{
d97994dc 1854 struct fc_rport *rport;
5de1f70f 1855 scsi_qla_host_t *pha = to_qla_parent(ha);
d97994dc 1856
1857 if (!fcport->rport)
1858 return;
1859
1860 rport = fcport->rport;
1861 if (defer) {
5f3a9a20 1862 spin_lock_irq(ha->host->host_lock);
d97994dc 1863 fcport->drport = rport;
5f3a9a20 1864 spin_unlock_irq(ha->host->host_lock);
5de1f70f
SJ		 1865 set_bit(FCPORT_UPDATE_NEEDED, &pha->dpc_flags);
1866 qla2xxx_wake_dpc(pha);
5f3a9a20 1867 } else
d97994dc 1868 fc_remote_port_delete(rport);
d97994dc 1869}
1870
1da177e4
LT		 1871/*
1872 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
1873 *
1874 * Input: ha = adapter block pointer. fcport = port structure pointer.
1875 *
1876 * Return: None.
1877 *
1878 * Context:
1879 */
1880void qla2x00_mark_device_lost(scsi_qla_host_t *ha, fc_port_t *fcport,
d97994dc 1881 int do_login, int defer)
1da177e4 1882{
2c3dfe3f
SJ		 1883 if (atomic_read(&fcport->state) == FCS_ONLINE &&
1884 ha->vp_idx == fcport->vp_idx)
d97994dc 1885 qla2x00_schedule_rport_del(ha, fcport, defer);
19a7b4ae 1886
fa2a1ce5 1887 /*
1da177e4
LT		 1888 * We may need to retry the login, so don't change the state of the
1889 * port but do the retries.
1890 */
1891 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
1892 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1893
1894 if (!do_login)
1895 return;
1896
1897 if (fcport->login_retry == 0) {
1898 fcport->login_retry = ha->login_retry_count;
1899 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
1900
1901 DEBUG(printk("scsi(%ld): Port login retry: "
1902 "%02x%02x%02x%02x%02x%02x%02x%02x, "
1903 "id = 0x%04x retry cnt=%d\n",
1904 ha->host_no,
1905 fcport->port_name[0],
1906 fcport->port_name[1],
1907 fcport->port_name[2],
1908 fcport->port_name[3],
1909 fcport->port_name[4],
1910 fcport->port_name[5],
1911 fcport->port_name[6],
1912 fcport->port_name[7],
1913 fcport->loop_id,
1914 fcport->login_retry));
1915 }
1916}
1917
1918/*
1919 * qla2x00_mark_all_devices_lost
1920 * Updates fcport state when device goes offline.
1921 *
1922 * Input:
1923 * ha = adapter block pointer.
1924 * fcport = port structure pointer.
1925 *
1926 * Return:
1927 * None.
1928 *
1929 * Context:
1930 */
1931void
d97994dc 1932qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha, int defer)
1da177e4
LT		 1933{
1934 fc_port_t *fcport;
2c3dfe3f 1935 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4 1936
2c3dfe3f 1937 list_for_each_entry(fcport, &pha->fcports, list) {
8f0d6436 1938 if (ha->vp_idx != fcport->vp_idx)
1da177e4 1939 continue;
1da177e4
LT		 1940 /*
1941 * No point in marking the device as lost, if the device is
1942 * already DEAD.
1943 */
1944 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
1945 continue;
8f0d6436
SJ		 1946 if (atomic_read(&fcport->state) == FCS_ONLINE)
1947 qla2x00_schedule_rport_del(ha, fcport, defer);
1da177e4
LT		 1948 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1949 }
1950}
1951
1952/*
1953* qla2x00_mem_alloc
1954* Allocates adapter memory.
1955*
1956* Returns:
1957* 0 = success.
e8711085 1958* !0 = failure.
1da177e4 1959*/
e8711085 1960static int
1da177e4
LT		 1961qla2x00_mem_alloc(scsi_qla_host_t *ha)
1962{
1963 char name[16];
1da177e4 1964
e8711085
AV		 1965 ha->request_ring = dma_alloc_coherent(&ha->pdev->dev,
1966 (ha->request_q_length + 1) * sizeof(request_t), &ha->request_dma,
1967 GFP_KERNEL);
1968 if (!ha->request_ring)
1969 goto fail;
1970
1971 ha->response_ring = dma_alloc_coherent(&ha->pdev->dev,
1972 (ha->response_q_length + 1) * sizeof(response_t),
1973 &ha->response_dma, GFP_KERNEL);
1974 if (!ha->response_ring)
1975 goto fail_free_request_ring;
1976
1977 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
1978 &ha->gid_list_dma, GFP_KERNEL);
1979 if (!ha->gid_list)
1980 goto fail_free_response_ring;
1981
1982 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
1983 &ha->init_cb_dma, GFP_KERNEL);
1984 if (!ha->init_cb)
1985 goto fail_free_gid_list;
1986
1987 snprintf(name, sizeof(name), "%s_%ld", QLA2XXX_DRIVER_NAME,
1988 ha->host_no);
1989 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
1990 DMA_POOL_SIZE, 8, 0);
1991 if (!ha->s_dma_pool)
1992 goto fail_free_init_cb;
1da177e4 1993
e8711085
AV		 1994 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
1995 if (!ha->srb_mempool)
1996 goto fail_free_s_dma_pool;
1997
1998 /* Get memory for cached NVRAM */
1999 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2000 if (!ha->nvram)
2001 goto fail_free_srb_mempool;
2002
2003 /* Allocate memory for SNS commands */
2004 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2005 /* Get consistent memory allocated for SNS commands */
2006 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
2007 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
2008 if (!ha->sns_cmd)
2009 goto fail_free_nvram;
2010 } else {
2011 /* Get consistent memory allocated for MS IOCB */
2012 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2013 &ha->ms_iocb_dma);
2014 if (!ha->ms_iocb)
2015 goto fail_free_nvram;
2016
2017 /* Get consistent memory allocated for CT SNS commands */
2018 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
2019 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
2020 if (!ha->ct_sns)
2021 goto fail_free_ms_iocb;
1da177e4
LT		 2022 }
2023
e8711085
AV		 2024 return 0;
2025
2026fail_free_ms_iocb:
2027 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2028 ha->ms_iocb = NULL;
2029 ha->ms_iocb_dma = 0;
2030fail_free_nvram:
2031 kfree(ha->nvram);
2032 ha->nvram = NULL;
2033fail_free_srb_mempool:
2034 mempool_destroy(ha->srb_mempool);
2035 ha->srb_mempool = NULL;
2036fail_free_s_dma_pool:
2037 dma_pool_destroy(ha->s_dma_pool);
2038 ha->s_dma_pool = NULL;
2039fail_free_init_cb:
2040 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
2041 ha->init_cb_dma);
2042 ha->init_cb = NULL;
2043 ha->init_cb_dma = 0;
2044fail_free_gid_list:
2045 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2046 ha->gid_list_dma);
2047 ha->gid_list = NULL;
2048 ha->gid_list_dma = 0;
2049fail_free_response_ring:
2050 dma_free_coherent(&ha->pdev->dev, (ha->response_q_length + 1) *
2051 sizeof(response_t), ha->response_ring, ha->response_dma);
2052 ha->response_ring = NULL;
2053 ha->response_dma = 0;
2054fail_free_request_ring:
2055 dma_free_coherent(&ha->pdev->dev, (ha->request_q_length + 1) *
2056 sizeof(request_t), ha->request_ring, ha->request_dma);
2057 ha->request_ring = NULL;
2058 ha->request_dma = 0;
2059fail:
2060 return -ENOMEM;
1da177e4
LT		 2061}
2062
2063/*
2064* qla2x00_mem_free
2065* Frees all adapter allocated memory.
2066*
2067* Input:
2068* ha = adapter block pointer.
2069*/
a824ebb3 2070static void
1da177e4
LT		 2071qla2x00_mem_free(scsi_qla_host_t *ha)
2072{
1da177e4
LT		 2073 struct list_head *fcpl, *fcptemp;
2074 fc_port_t *fcport;
1da177e4 2075
e8711085
AV		 2076 if (ha->srb_mempool)
2077 mempool_destroy(ha->srb_mempool);
1da177e4 2078
df613b96
AV		 2079 if (ha->fce)
2080 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
2081 ha->fce_dma);
2082
a7a167bf
AV		 2083 if (ha->fw_dump) {
2084 if (ha->eft)
2085 dma_free_coherent(&ha->pdev->dev,
2086 ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
2087 vfree(ha->fw_dump);
2088 }
2089
1da177e4
LT		 2090 if (ha->sns_cmd)
2091 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2092 ha->sns_cmd, ha->sns_cmd_dma);
2093
2094 if (ha->ct_sns)
2095 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2096 ha->ct_sns, ha->ct_sns_dma);
2097
88729e53
AV		 2098 if (ha->sfp_data)
2099 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2100
1da177e4
LT		 2101 if (ha->ms_iocb)
2102 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2103
1da177e4
LT		 2104 if (ha->s_dma_pool)
2105 dma_pool_destroy(ha->s_dma_pool);
2106
2c3dfe3f
SJ		 2107 if (ha->init_cb)
2108 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2109 ha->init_cb, ha->init_cb_dma);
2110
1da177e4
LT		 2111 if (ha->gid_list)
2112 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2113 ha->gid_list_dma);
2114
2115 if (ha->response_ring)
2116 dma_free_coherent(&ha->pdev->dev,
2117 (ha->response_q_length + 1) * sizeof(response_t),
2118 ha->response_ring, ha->response_dma);
2119
2120 if (ha->request_ring)
2121 dma_free_coherent(&ha->pdev->dev,
2122 (ha->request_q_length + 1) * sizeof(request_t),
2123 ha->request_ring, ha->request_dma);
2124
e8711085 2125 ha->srb_mempool = NULL;
a7a167bf
AV		 2126 ha->eft = NULL;
2127 ha->eft_dma = 0;
1da177e4
LT		 2128 ha->sns_cmd = NULL;
2129 ha->sns_cmd_dma = 0;
2130 ha->ct_sns = NULL;
2131 ha->ct_sns_dma = 0;
2132 ha->ms_iocb = NULL;
2133 ha->ms_iocb_dma = 0;
1da177e4
LT		 2134 ha->init_cb = NULL;
2135 ha->init_cb_dma = 0;
2136
2137 ha->s_dma_pool = NULL;
2138
1da177e4
LT		 2139 ha->gid_list = NULL;
2140 ha->gid_list_dma = 0;
2141
2142 ha->response_ring = NULL;
2143 ha->response_dma = 0;
2144 ha->request_ring = NULL;
2145 ha->request_dma = 0;
2146
2147 list_for_each_safe(fcpl, fcptemp, &ha->fcports) {
2148 fcport = list_entry(fcpl, fc_port_t, list);
2149
1da177e4
LT		 2150 /* fc ports */
2151 list_del_init(&fcport->list);
2152 kfree(fcport);
2153 }
2154 INIT_LIST_HEAD(&ha->fcports);
2155
1da177e4 2156 ha->fw_dump = NULL;
fca29703 2157 ha->fw_dumped = 0;
1da177e4 2158 ha->fw_dump_reading = 0;
854165f4 2159
2160 vfree(ha->optrom_buffer);
53772a2c 2161 kfree(ha->nvram);
1da177e4
LT		 2162}
2163
01ef66bb 2164static struct qla_work_evt *
0971de7f
AV		 2165qla2x00_alloc_work(struct scsi_qla_host *ha, enum qla_work_type type,
2166 int locked)
2167{
2168 struct qla_work_evt *e;
2169
2170 e = kzalloc(sizeof(struct qla_work_evt), locked ? GFP_ATOMIC:
2171 GFP_KERNEL);
2172 if (!e)
2173 return NULL;
2174
2175 INIT_LIST_HEAD(&e->list);
2176 e->type = type;
2177 e->flags = QLA_EVT_FLAG_FREE;
2178 return e;
2179}
2180
01ef66bb 2181static int
0971de7f
AV		 2182qla2x00_post_work(struct scsi_qla_host *ha, struct qla_work_evt *e, int locked)
2183{
bf6583b5 2184 unsigned long uninitialized_var(flags);
08b95a12 2185 scsi_qla_host_t *pha = to_qla_parent(ha);
0971de7f
AV		 2186
2187 if (!locked)
08b95a12 2188 spin_lock_irqsave(&pha->hardware_lock, flags);
0971de7f
AV		 2189 list_add_tail(&e->list, &ha->work_list);
2190 qla2xxx_wake_dpc(ha);
2191 if (!locked)
08b95a12 2192 spin_unlock_irqrestore(&pha->hardware_lock, flags);
0971de7f
AV		 2193 return QLA_SUCCESS;
2194}
2195
2196int
2197qla2x00_post_aen_work(struct scsi_qla_host *ha, enum fc_host_event_code code,
2198 u32 data)
2199{
2200 struct qla_work_evt *e;
2201
2202 e = qla2x00_alloc_work(ha, QLA_EVT_AEN, 1);
2203 if (!e)
2204 return QLA_FUNCTION_FAILED;
2205
2206 e->u.aen.code = code;
2207 e->u.aen.data = data;
2208 return qla2x00_post_work(ha, e, 1);
2209}
2210
cb8dacbf
AV		 2211int
2212qla2x00_post_hwe_work(struct scsi_qla_host *ha, uint16_t code, uint16_t d1,
2213 uint16_t d2, uint16_t d3)
2214{
2215 struct qla_work_evt *e;
2216
2217 e = qla2x00_alloc_work(ha, QLA_EVT_HWE_LOG, 1);
2218 if (!e)
2219 return QLA_FUNCTION_FAILED;
2220
2221 e->u.hwe.code = code;
2222 e->u.hwe.d1 = d1;
2223 e->u.hwe.d2 = d2;
2224 e->u.hwe.d3 = d3;
2225 return qla2x00_post_work(ha, e, 1);
2226}
2227
0971de7f
AV		 2228static void
2229qla2x00_do_work(struct scsi_qla_host *ha)
2230{
2231 struct qla_work_evt *e;
08b95a12 2232 scsi_qla_host_t *pha = to_qla_parent(ha);
0971de7f 2233
08b95a12 2234 spin_lock_irq(&pha->hardware_lock);
0971de7f
AV		 2235 while (!list_empty(&ha->work_list)) {
2236 e = list_entry(ha->work_list.next, struct qla_work_evt, list);
2237 list_del_init(&e->list);
08b95a12 2238 spin_unlock_irq(&pha->hardware_lock);
0971de7f
AV		 2239
2240 switch (e->type) {
2241 case QLA_EVT_AEN:
2242 fc_host_post_event(ha->host, fc_get_event_number(),
2243 e->u.aen.code, e->u.aen.data);
2244 break;
cb8dacbf
AV		 2245 case QLA_EVT_HWE_LOG:
2246 qla2xxx_hw_event_log(ha, e->u.hwe.code, e->u.hwe.d1,
2247 e->u.hwe.d2, e->u.hwe.d3);
2248 break;
0971de7f
AV		 2249 }
2250 if (e->flags & QLA_EVT_FLAG_FREE)
2251 kfree(e);
08b95a12 2252 spin_lock_irq(&pha->hardware_lock);
0971de7f 2253 }
08b95a12 2254 spin_unlock_irq(&pha->hardware_lock);
0971de7f
AV		 2255}
2256
1da177e4
LT		 2257/**************************************************************************
2258* qla2x00_do_dpc
2259* This kernel thread is a task that is schedule by the interrupt handler
2260* to perform the background processing for interrupts.
2261*
2262* Notes:
2263* This task always run in the context of a kernel thread. It
2264* is kick-off by the driver's detect code and starts up
2265* up one per adapter. It immediately goes to sleep and waits for
2266* some fibre event. When either the interrupt handler or
2267* the timer routine detects a event it will one of the task
2268* bits then wake us up.
2269**************************************************************************/
2270static int
2271qla2x00_do_dpc(void *data)
2272{
2c3dfe3f 2273 int rval;
1da177e4
LT		 2274 scsi_qla_host_t *ha;
2275 fc_port_t *fcport;
1da177e4 2276 uint8_t status;
1da177e4 2277 uint16_t next_loopid;
99363ef8
SJ		 2278 struct scsi_qla_host *vha;
2279 int i;
2280
1da177e4
LT		 2281
2282 ha = (scsi_qla_host_t *)data;
2283
1da177e4
LT		 2284 set_user_nice(current, -20);
2285
39a11240 2286 while (!kthread_should_stop()) {
1da177e4
LT		 2287 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2288
39a11240
CH		 2289 set_current_state(TASK_INTERRUPTIBLE);
2290 schedule();
2291 __set_current_state(TASK_RUNNING);
1da177e4
LT		 2292
2293 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2294
2295 /* Initialization not yet finished. Don't do anything yet. */
39a11240 2296 if (!ha->flags.init_done)
1da177e4
LT		 2297 continue;
2298
2299 DEBUG3(printk("scsi(%ld): DPC handler\n", ha->host_no));
2300
2301 ha->dpc_active = 1;
2302
1da177e4 2303 if (ha->flags.mbox_busy) {
1da177e4
LT		 2304 ha->dpc_active = 0;
2305 continue;
2306 }
2307
0971de7f
AV		 2308 qla2x00_do_work(ha);
2309
1da177e4
LT		 2310 if (test_and_clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
2311
2312 DEBUG(printk("scsi(%ld): dpc: sched "
2313 "qla2x00_abort_isp ha = %p\n",
2314 ha->host_no, ha));
2315 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
2316 &ha->dpc_flags))) {
2317
2318 if (qla2x00_abort_isp(ha)) {
2319 /* failed. retry later */
2320 set_bit(ISP_ABORT_NEEDED,
2321 &ha->dpc_flags);
2322 }
2323 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2324 }
99363ef8
SJ		 2325
2326 for_each_mapped_vp_idx(ha, i) {
2327 list_for_each_entry(vha, &ha->vp_list,
2328 vp_list) {
2329 if (i == vha->vp_idx) {
2330 set_bit(ISP_ABORT_NEEDED,
2331 &vha->dpc_flags);
2332 break;
2333 }
2334 }
2335 }
2336
1da177e4
LT		 2337 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
2338 ha->host_no));
2339 }
2340
c9c5ced9 2341 if (test_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags)) {
d97994dc 2342 qla2x00_update_fcports(ha);
c9c5ced9
AV		 2343 clear_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags);
2344 }
d97994dc 2345
1da177e4
LT		 2346 if (test_and_clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) &&
2347 (!(test_and_set_bit(RESET_ACTIVE, &ha->dpc_flags)))) {
2348
2349 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
2350 ha->host_no));
2351
2352 qla2x00_rst_aen(ha);
2353 clear_bit(RESET_ACTIVE, &ha->dpc_flags);
2354 }
2355
2356 /* Retry each device up to login retry count */
2357 if ((test_and_clear_bit(RELOGIN_NEEDED, &ha->dpc_flags)) &&
2358 !test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) &&
2359 atomic_read(&ha->loop_state) != LOOP_DOWN) {
2360
2361 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
2362 ha->host_no));
2363
2364 next_loopid = 0;
2365 list_for_each_entry(fcport, &ha->fcports, list) {
1da177e4
LT		 2366 /*
2367 * If the port is not ONLINE then try to login
2368 * to it if we haven't run out of retries.
2369 */
2370 if (atomic_read(&fcport->state) != FCS_ONLINE &&
2371 fcport->login_retry) {
2372
1da177e4
LT		 2373 if (fcport->flags & FCF_FABRIC_DEVICE) {
2374 if (fcport->flags &
2375 FCF_TAPE_PRESENT)
fd34f556 2376 ha->isp_ops->fabric_logout(
1c7c6357
AV		 2377 ha, fcport->loop_id,
2378 fcport->d_id.b.domain,
2379 fcport->d_id.b.area,
2380 fcport->d_id.b.al_pa);
1da177e4
LT		 2381 status = qla2x00_fabric_login(
2382 ha, fcport, &next_loopid);
2383 } else
2384 status =
2385 qla2x00_local_device_login(
9a52a57c 2386 ha, fcport);
1da177e4 2387
63a8651f 2388 fcport->login_retry--;
1da177e4
LT		 2389 if (status == QLA_SUCCESS) {
2390 fcport->old_loop_id = fcport->loop_id;
2391
2392 DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n",
2393 ha->host_no, fcport->loop_id));
fa2a1ce5 2394
052c40c8 2395 qla2x00_update_fcport(ha,
2396 fcport);
1da177e4
LT		 2397 } else if (status == 1) {
2398 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
2399 /* retry the login again */
2400 DEBUG(printk("scsi(%ld): Retrying %d login again loop_id 0x%x\n",
2401 ha->host_no,
2402 fcport->login_retry, fcport->loop_id));
2403 } else {
2404 fcport->login_retry = 0;
2405 }
666301e6 2406 if (fcport->login_retry == 0 && status != QLA_SUCCESS)
63a8651f 2407 fcport->loop_id = FC_NO_LOOP_ID;
1da177e4
LT		 2408 }
2409 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2410 break;
2411 }
2412 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
2413 ha->host_no));
2414 }
2415
1da177e4
LT		 2416 if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
2417
2418 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
2419 ha->host_no));
2420
2421 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
2422 &ha->dpc_flags))) {
2423
2c3dfe3f 2424 rval = qla2x00_loop_resync(ha);
1da177e4
LT		 2425
2426 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
2427 }
2428
2429 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
2430 ha->host_no));
2431 }
2432
272976ca
AV		 2433 if (test_bit(NPIV_CONFIG_NEEDED, &ha->dpc_flags) &&
2434 atomic_read(&ha->loop_state) == LOOP_READY) {
2435 clear_bit(NPIV_CONFIG_NEEDED, &ha->dpc_flags);
2436 qla2xxx_flash_npiv_conf(ha);
2437 }
2438
1da177e4 2439 if (!ha->interrupts_on)
fd34f556 2440 ha->isp_ops->enable_intrs(ha);
1da177e4 2441
f6df144c 2442 if (test_and_clear_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags))
fd34f556 2443 ha->isp_ops->beacon_blink(ha);
f6df144c 2444
2c3dfe3f
SJ		 2445 qla2x00_do_dpc_all_vps(ha);
2446
1da177e4
LT		 2447 ha->dpc_active = 0;
2448 } /* End of while(1) */
2449
2450 DEBUG(printk("scsi(%ld): DPC handler exiting\n", ha->host_no));
2451
2452 /*
2453 * Make sure that nobody tries to wake us up again.
2454 */
1da177e4
LT		 2455 ha->dpc_active = 0;
2456
39a11240
CH		 2457 return 0;
2458}
2459
2460void
2461qla2xxx_wake_dpc(scsi_qla_host_t *ha)
2462{
c795c1e4
AV		 2463 struct task_struct *t = ha->dpc_thread;
2464
2465 if (!test_bit(UNLOADING, &ha->dpc_flags) && t)
2466 wake_up_process(t);
1da177e4
LT		 2467}
2468
1da177e4
LT		 2469/*
2470* qla2x00_rst_aen
2471* Processes asynchronous reset.
2472*
2473* Input:
2474* ha = adapter block pointer.
2475*/
2476static void
fa2a1ce5 2477qla2x00_rst_aen(scsi_qla_host_t *ha)
1da177e4
LT		 2478{
2479 if (ha->flags.online && !ha->flags.reset_active &&
2480 !atomic_read(&ha->loop_down_timer) &&
2481 !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) {
2482 do {
2483 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
2484
2485 /*
2486 * Issue marker command only when we are going to start
2487 * the I/O.
2488 */
2489 ha->marker_needed = 1;
2490 } while (!atomic_read(&ha->loop_down_timer) &&
2491 (test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags)));
2492 }
2493}
2494
f4f051eb 2495static void
2496qla2x00_sp_free_dma(scsi_qla_host_t *ha, srb_t *sp)
2497{
2498 struct scsi_cmnd *cmd = sp->cmd;
2499
2500 if (sp->flags & SRB_DMA_VALID) {
385d70b4 2501 scsi_dma_unmap(cmd);
f4f051eb 2502 sp->flags &= ~SRB_DMA_VALID;
2503 }
fca29703 2504 CMD_SP(cmd) = NULL;
f4f051eb 2505}
2506
2507void
2508qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *sp)
2509{
2510 struct scsi_cmnd *cmd = sp->cmd;
2511
2512 qla2x00_sp_free_dma(ha, sp);
2513
f4f051eb 2514 mempool_free(sp, ha->srb_mempool);
2515
2516 cmd->scsi_done(cmd);
2517}
bdf79621 2518
1da177e4
LT		 2519/**************************************************************************
2520* qla2x00_timer
2521*
2522* Description:
2523* One second timer
2524*
2525* Context: Interrupt
2526***************************************************************************/
2c3dfe3f 2527void
1da177e4
LT		 2528qla2x00_timer(scsi_qla_host_t *ha)
2529{
1da177e4
LT		 2530 unsigned long cpu_flags = 0;
2531 fc_port_t *fcport;
1da177e4
LT		 2532 int start_dpc = 0;
2533 int index;
2534 srb_t *sp;
f4f051eb 2535 int t;
2c3dfe3f 2536 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4
LT		 2537
2538 /*
2539 * Ports - Port down timer.
2540 *
2541 * Whenever, a port is in the LOST state we start decrementing its port
2542 * down timer every second until it reaches zero. Once it reaches zero
fa2a1ce5 2543 * the port it marked DEAD.
1da177e4
LT		 2544 */
2545 t = 0;
2546 list_for_each_entry(fcport, &ha->fcports, list) {
2547 if (fcport->port_type != FCT_TARGET)
2548 continue;
2549
2550 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2551
2552 if (atomic_read(&fcport->port_down_timer) == 0)
2553 continue;
2554
fa2a1ce5 2555 if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
1da177e4 2556 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
fa2a1ce5 2557
1da177e4 2558 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
fca29703 2559 "%d remaining\n",
1da177e4
LT		 2560 ha->host_no,
2561 t, atomic_read(&fcport->port_down_timer)));
2562 }
2563 t++;
2564 } /* End of for fcport */
2565
1da177e4
LT		 2566
2567 /* Loop down handler. */
2568 if (atomic_read(&ha->loop_down_timer) > 0 &&
2569 !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) && ha->flags.online) {
2570
2571 if (atomic_read(&ha->loop_down_timer) ==
2572 ha->loop_down_abort_time) {
2573
2574 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2575 "queues before time expire\n",
2576 ha->host_no));
2577
2578 if (!IS_QLA2100(ha) && ha->link_down_timeout)
fa2a1ce5 2579 atomic_set(&ha->loop_state, LOOP_DEAD);
1da177e4
LT		 2580
2581 /* Schedule an ISP abort to return any tape commands. */
2c3dfe3f
SJ		 2582 /* NPIV - scan physical port only */
2583 if (!ha->parent) {
2584 spin_lock_irqsave(&ha->hardware_lock,
2585 cpu_flags);
2586 for (index = 1;
2587 index < MAX_OUTSTANDING_COMMANDS;
2588 index++) {
2589 fc_port_t *sfcp;
2590
2591 sp = ha->outstanding_cmds[index];
2592 if (!sp)
2593 continue;
2594 sfcp = sp->fcport;
2595 if (!(sfcp->flags & FCF_TAPE_PRESENT))
2596 continue;
bdf79621 2597
2c3dfe3f
SJ		 2598 set_bit(ISP_ABORT_NEEDED,
2599 &ha->dpc_flags);
2600 break;
2601 }
2602 spin_unlock_irqrestore(&ha->hardware_lock,
2603 cpu_flags);
1da177e4 2604 }
1da177e4
LT		 2605 set_bit(ABORT_QUEUES_NEEDED, &ha->dpc_flags);
2606 start_dpc++;
2607 }
2608
2609 /* if the loop has been down for 4 minutes, reinit adapter */
2610 if (atomic_dec_and_test(&ha->loop_down_timer) != 0) {
2611 DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - "
2612 "restarting queues.\n",
2613 ha->host_no));
2614
2615 set_bit(RESTART_QUEUES_NEEDED, &ha->dpc_flags);
2616 start_dpc++;
2617
463717ed
SJ		 2618 if (!(ha->device_flags & DFLG_NO_CABLE) &&
2619 !ha->parent) {
1da177e4
LT		 2620 DEBUG(printk("scsi(%ld): Loop down - "
2621 "aborting ISP.\n",
2622 ha->host_no));
2623 qla_printk(KERN_WARNING, ha,
2624 "Loop down - aborting ISP.\n");
2625
2626 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
2627 }
2628 }
fca29703 2629 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
1da177e4
LT		 2630 ha->host_no,
2631 atomic_read(&ha->loop_down_timer)));
2632 }
2633
f6df144c 2634 /* Check if beacon LED needs to be blinked */
2635 if (ha->beacon_blink_led == 1) {
2636 set_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags);
2637 start_dpc++;
2638 }
2639
550bf57d
AV		 2640 /* Process any deferred work. */
2641 if (!list_empty(&ha->work_list))
2642 start_dpc++;
2643
1da177e4
LT		 2644 /* Schedule the DPC routine if needed */
2645 if ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) ||
2646 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) ||
d97994dc 2647 test_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags) ||
1da177e4 2648 start_dpc ||
f4f051eb 2649 test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) ||
f6df144c 2650 test_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags) ||
2c3dfe3f 2651 test_bit(VP_DPC_NEEDED, &ha->dpc_flags) ||
39a11240 2652 test_bit(RELOGIN_NEEDED, &ha->dpc_flags)))
2c3dfe3f 2653 qla2xxx_wake_dpc(pha);
1da177e4
LT		 2654
2655 qla2x00_restart_timer(ha, WATCH_INTERVAL);
2656}
2657
5433383e
AV		 2658/* Firmware interface routines. */
2659
c3a2f0df 2660#define FW_BLOBS 6
5433383e
AV		 2661#define FW_ISP21XX 0
2662#define FW_ISP22XX 1
2663#define FW_ISP2300 2
2664#define FW_ISP2322 3
48c02fde 2665#define FW_ISP24XX 4
c3a2f0df 2666#define FW_ISP25XX 5
5433383e 2667
bb8ee499
AV		 2668#define FW_FILE_ISP21XX "ql2100_fw.bin"
2669#define FW_FILE_ISP22XX "ql2200_fw.bin"
2670#define FW_FILE_ISP2300 "ql2300_fw.bin"
2671#define FW_FILE_ISP2322 "ql2322_fw.bin"
2672#define FW_FILE_ISP24XX "ql2400_fw.bin"
c3a2f0df 2673#define FW_FILE_ISP25XX "ql2500_fw.bin"
bb8ee499 2674
e1e82b6f 2675static DEFINE_MUTEX(qla_fw_lock);
5433383e
AV		 2676
2677static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
bb8ee499
AV		 2678 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
2679 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
2680 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
2681 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
2682 { .name = FW_FILE_ISP24XX, },
c3a2f0df 2683 { .name = FW_FILE_ISP25XX, },
5433383e
AV		 2684};
2685
2686struct fw_blob *
2687qla2x00_request_firmware(scsi_qla_host_t *ha)
2688{
2689 struct fw_blob *blob;
2690
2691 blob = NULL;
2692 if (IS_QLA2100(ha)) {
2693 blob = &qla_fw_blobs[FW_ISP21XX];
2694 } else if (IS_QLA2200(ha)) {
2695 blob = &qla_fw_blobs[FW_ISP22XX];
48c02fde 2696 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
5433383e 2697 blob = &qla_fw_blobs[FW_ISP2300];
48c02fde 2698 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
5433383e 2699 blob = &qla_fw_blobs[FW_ISP2322];
4d4df193 2700 } else if (IS_QLA24XX_TYPE(ha)) {
5433383e 2701 blob = &qla_fw_blobs[FW_ISP24XX];
c3a2f0df
AV		 2702 } else if (IS_QLA25XX(ha)) {
2703 blob = &qla_fw_blobs[FW_ISP25XX];
5433383e
AV		 2704 }
2705
e1e82b6f 2706 mutex_lock(&qla_fw_lock);
5433383e
AV		 2707 if (blob->fw)
2708 goto out;
2709
2710 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
2711 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
2712 "(%s).\n", ha->host_no, blob->name));
2713 blob->fw = NULL;
2714 blob = NULL;
2715 goto out;
2716 }
2717
2718out:
e1e82b6f 2719 mutex_unlock(&qla_fw_lock);
5433383e
AV		 2720 return blob;
2721}
2722
2723static void
2724qla2x00_release_firmware(void)
2725{
2726 int idx;
2727
e1e82b6f 2728 mutex_lock(&qla_fw_lock);
5433383e
AV		 2729 for (idx = 0; idx < FW_BLOBS; idx++)
2730 if (qla_fw_blobs[idx].fw)
2731 release_firmware(qla_fw_blobs[idx].fw);
e1e82b6f 2732 mutex_unlock(&qla_fw_lock);
5433383e
AV		 2733}
2734
14e660e6
SJ		 2735static pci_ers_result_t
2736qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
2737{
2738 switch (state) {
2739 case pci_channel_io_normal:
2740 return PCI_ERS_RESULT_CAN_RECOVER;
2741 case pci_channel_io_frozen:
2742 pci_disable_device(pdev);
2743 return PCI_ERS_RESULT_NEED_RESET;
2744 case pci_channel_io_perm_failure:
2745 qla2x00_remove_one(pdev);
2746 return PCI_ERS_RESULT_DISCONNECT;
2747 }
2748 return PCI_ERS_RESULT_NEED_RESET;
2749}
2750
2751static pci_ers_result_t
2752qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
2753{
2754 int risc_paused = 0;
2755 uint32_t stat;
2756 unsigned long flags;
2757 scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2758 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2759 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
2760
2761 spin_lock_irqsave(&ha->hardware_lock, flags);
2762 if (IS_QLA2100(ha) || IS_QLA2200(ha)){
2763 stat = RD_REG_DWORD(&reg->hccr);
2764 if (stat & HCCR_RISC_PAUSE)
2765 risc_paused = 1;
2766 } else if (IS_QLA23XX(ha)) {
2767 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
2768 if (stat & HSR_RISC_PAUSED)
2769 risc_paused = 1;
2770 } else if (IS_FWI2_CAPABLE(ha)) {
2771 stat = RD_REG_DWORD(&reg24->host_status);
2772 if (stat & HSRX_RISC_PAUSED)
2773 risc_paused = 1;
2774 }
2775 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2776
2777 if (risc_paused) {
2778 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
2779 "Dumping firmware!\n");
2780 ha->isp_ops->fw_dump(ha, 0);
2781
2782 return PCI_ERS_RESULT_NEED_RESET;
2783 } else
2784 return PCI_ERS_RESULT_RECOVERED;
2785}
2786
2787static pci_ers_result_t
2788qla2xxx_pci_slot_reset(struct pci_dev *pdev)
2789{
2790 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
2791 scsi_qla_host_t *ha = pci_get_drvdata(pdev);
09483916
BH		 2792 int rc;
2793
2794 if (ha->mem_only)
2795 rc = pci_enable_device_mem(pdev);
2796 else
2797 rc = pci_enable_device(pdev);
14e660e6 2798
09483916 2799 if (rc) {
14e660e6
SJ		 2800 qla_printk(KERN_WARNING, ha,
2801 "Can't re-enable PCI device after reset.\n");
2802
2803 return ret;
2804 }
2805 pci_set_master(pdev);
2806
2807 if (ha->isp_ops->pci_config(ha))
2808 return ret;
2809
2810 set_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2811 if (qla2x00_abort_isp(ha)== QLA_SUCCESS)
2812 ret = PCI_ERS_RESULT_RECOVERED;
2813 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2814
2815 return ret;
2816}
2817
2818static void
2819qla2xxx_pci_resume(struct pci_dev *pdev)
2820{
2821 scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2822 int ret;
2823
2824 ret = qla2x00_wait_for_hba_online(ha);
2825 if (ret != QLA_SUCCESS) {
2826 qla_printk(KERN_ERR, ha,
2827 "the device failed to resume I/O "
2828 "from slot/link_reset");
2829 }
2830 pci_cleanup_aer_uncorrect_error_status(pdev);
2831}
2832
2833static struct pci_error_handlers qla2xxx_err_handler = {
2834 .error_detected = qla2xxx_pci_error_detected,
2835 .mmio_enabled = qla2xxx_pci_mmio_enabled,
2836 .slot_reset = qla2xxx_pci_slot_reset,
2837 .resume = qla2xxx_pci_resume,
2838};
2839
5433383e 2840static struct pci_device_id qla2xxx_pci_tbl[] = {
47f5e069
AV		 2841 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
2842 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
2843 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
2844 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
2845 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
2846 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
2847 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
2848 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
2849 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
4d4df193 2850 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
47f5e069
AV		 2851 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
2852 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
c3a2f0df 2853 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
5433383e
AV		 2854 { 0 },
2855};
2856MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
2857
fca29703 2858static struct pci_driver qla2xxx_pci_driver = {
cb63067a 2859 .name = QLA2XXX_DRIVER_NAME,
0a21ef1e
JB		 2860 .driver = {
2861 .owner = THIS_MODULE,
2862 },
fca29703 2863 .id_table = qla2xxx_pci_tbl,
7ee61397 2864 .probe = qla2x00_probe_one,
4c993f76 2865 .remove = qla2x00_remove_one,
14e660e6 2866 .err_handler = &qla2xxx_err_handler,
fca29703
AV		 2867};
2868
1da177e4
LT		 2869/**
2870 * qla2x00_module_init - Module initialization.
2871 **/
2872static int __init
2873qla2x00_module_init(void)
2874{
fca29703
AV		 2875 int ret = 0;
2876
1da177e4 2877 /* Allocate cache for SRBs. */
354d6b21 2878 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
20c2df83 2879 SLAB_HWCACHE_ALIGN, NULL);
1da177e4
LT		 2880 if (srb_cachep == NULL) {
2881 printk(KERN_ERR
2882 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
2883 return -ENOMEM;
2884 }
2885
2886 /* Derive version string. */
2887 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
11010fec 2888 if (ql2xextended_error_logging)
0181944f
AV		 2889 strcat(qla2x00_version_str, "-debug");
2890
1c97a12a
AV		 2891 qla2xxx_transport_template =
2892 fc_attach_transport(&qla2xxx_transport_functions);
2c3dfe3f
SJ		 2893 if (!qla2xxx_transport_template) {
2894 kmem_cache_destroy(srb_cachep);
1da177e4 2895 return -ENODEV;
2c3dfe3f
SJ		 2896 }
2897 qla2xxx_transport_vport_template =
2898 fc_attach_transport(&qla2xxx_transport_vport_functions);
2899 if (!qla2xxx_transport_vport_template) {
2900 kmem_cache_destroy(srb_cachep);
2901 fc_release_transport(qla2xxx_transport_template);
1da177e4 2902 return -ENODEV;
2c3dfe3f 2903 }
1da177e4 2904
fd9a29f0
AV		 2905 printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n",
2906 qla2x00_version_str);
7ee61397 2907 ret = pci_register_driver(&qla2xxx_pci_driver);
fca29703
AV		 2908 if (ret) {
2909 kmem_cache_destroy(srb_cachep);
2910 fc_release_transport(qla2xxx_transport_template);
2c3dfe3f 2911 fc_release_transport(qla2xxx_transport_vport_template);
fca29703
AV		 2912 }
2913 return ret;
1da177e4
LT		 2914}
2915
2916/**
2917 * qla2x00_module_exit - Module cleanup.
2918 **/
2919static void __exit
2920qla2x00_module_exit(void)
2921{
7ee61397 2922 pci_unregister_driver(&qla2xxx_pci_driver);
5433383e 2923 qla2x00_release_firmware();
354d6b21 2924 kmem_cache_destroy(srb_cachep);
1da177e4 2925 fc_release_transport(qla2xxx_transport_template);
2c3dfe3f 2926 fc_release_transport(qla2xxx_transport_vport_template);
1da177e4
LT		 2927}
2928
2929module_init(qla2x00_module_init);
2930module_exit(qla2x00_module_exit);
2931
2932MODULE_AUTHOR("QLogic Corporation");
2933MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
2934MODULE_LICENSE("GPL");
2935MODULE_VERSION(QLA2XXX_VERSION);
bb8ee499
AV		 2936MODULE_FIRMWARE(FW_FILE_ISP21XX);
2937MODULE_FIRMWARE(FW_FILE_ISP22XX);
2938MODULE_FIRMWARE(FW_FILE_ISP2300);
2939MODULE_FIRMWARE(FW_FILE_ISP2322);
2940MODULE_FIRMWARE(FW_FILE_ISP24XX);
61623fc3 2941MODULE_FIRMWARE(FW_FILE_ISP25XX);
Linux 6.x block layer and io_uring tree(s)