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[SCSI] qla2xxx: Cleanup NPIV related functions
[net-next-2.6.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
1da177e4 89/*
fa2a1ce5 90 * SCSI host template entry points
1da177e4
LT		 91 */
92static int qla2xxx_slave_configure(struct scsi_device * device);
f4f051eb 93static int qla2xxx_slave_alloc(struct scsi_device *);
1e99e33a
AV		 94static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
95static void qla2xxx_scan_start(struct Scsi_Host *);
f4f051eb 96static void qla2xxx_slave_destroy(struct scsi_device *);
1da177e4
LT		 97static int qla2x00_queuecommand(struct scsi_cmnd *cmd,
98 void (*fn)(struct scsi_cmnd *));
fca29703
AV		 99static int qla24xx_queuecommand(struct scsi_cmnd *cmd,
100 void (*fn)(struct scsi_cmnd *));
1da177e4
LT		 101static int qla2xxx_eh_abort(struct scsi_cmnd *);
102static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
523ec773 103static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
1da177e4
LT		 104static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
105static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
1da177e4 106
ce7e4af7
AV		 107static int qla2x00_change_queue_depth(struct scsi_device *, int);
108static int qla2x00_change_queue_type(struct scsi_device *, int);
109
a824ebb3 110static struct scsi_host_template qla2x00_driver_template = {
1da177e4 111 .module = THIS_MODULE,
cb63067a 112 .name = QLA2XXX_DRIVER_NAME,
1da177e4
LT		 113 .queuecommand = qla2x00_queuecommand,
114
115 .eh_abort_handler = qla2xxx_eh_abort,
116 .eh_device_reset_handler = qla2xxx_eh_device_reset,
523ec773 117 .eh_target_reset_handler = qla2xxx_eh_target_reset,
1da177e4
LT		 118 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
119 .eh_host_reset_handler = qla2xxx_eh_host_reset,
120
121 .slave_configure = qla2xxx_slave_configure,
122
f4f051eb
AV		 123 .slave_alloc = qla2xxx_slave_alloc,
124 .slave_destroy = qla2xxx_slave_destroy,
1e99e33a
AV		 125 .scan_finished = qla2xxx_scan_finished,
126 .scan_start = qla2xxx_scan_start,
ce7e4af7
AV		 127 .change_queue_depth = qla2x00_change_queue_depth,
128 .change_queue_type = qla2x00_change_queue_type,
1da177e4
LT		 129 .this_id = -1,
130 .cmd_per_lun = 3,
131 .use_clustering = ENABLE_CLUSTERING,
132 .sg_tablesize = SG_ALL,
133
134 /*
135 * The RISC allows for each command to transfer (2^32-1) bytes of data,
136 * which equates to 0x800000 sectors.
137 */
138 .max_sectors = 0xFFFF,
afb046e2 139 .shost_attrs = qla2x00_host_attrs,
1da177e4
LT		 140};
141
2c3dfe3f 142struct scsi_host_template qla24xx_driver_template = {
fca29703 143 .module = THIS_MODULE,
cb63067a 144 .name = QLA2XXX_DRIVER_NAME,
fca29703
AV		 145 .queuecommand = qla24xx_queuecommand,
146
147 .eh_abort_handler = qla2xxx_eh_abort,
148 .eh_device_reset_handler = qla2xxx_eh_device_reset,
523ec773 149 .eh_target_reset_handler = qla2xxx_eh_target_reset,
fca29703
AV		 150 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
151 .eh_host_reset_handler = qla2xxx_eh_host_reset,
152
153 .slave_configure = qla2xxx_slave_configure,
154
155 .slave_alloc = qla2xxx_slave_alloc,
156 .slave_destroy = qla2xxx_slave_destroy,
ed677086
AV		 157 .scan_finished = qla2xxx_scan_finished,
158 .scan_start = qla2xxx_scan_start,
ce7e4af7
AV		 159 .change_queue_depth = qla2x00_change_queue_depth,
160 .change_queue_type = qla2x00_change_queue_type,
fca29703
AV		 161 .this_id = -1,
162 .cmd_per_lun = 3,
163 .use_clustering = ENABLE_CLUSTERING,
164 .sg_tablesize = SG_ALL,
165
166 .max_sectors = 0xFFFF,
afb046e2 167 .shost_attrs = qla2x00_host_attrs,
fca29703
AV		 168};
169
1da177e4 170static struct scsi_transport_template *qla2xxx_transport_template = NULL;
2c3dfe3f 171struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
1da177e4 172
1da177e4
LT		 173/* TODO Convert to inlines
174 *
175 * Timer routines
176 */
1da177e4 177
2c3dfe3f 178__inline__ void
1da177e4
LT		 179qla2x00_start_timer(scsi_qla_host_t *ha, void *func, unsigned long interval)
180{
181 init_timer(&ha->timer);
182 ha->timer.expires = jiffies + interval * HZ;
183 ha->timer.data = (unsigned long)ha;
184 ha->timer.function = (void (*)(unsigned long))func;
185 add_timer(&ha->timer);
186 ha->timer_active = 1;
187}
188
189static inline void
190qla2x00_restart_timer(scsi_qla_host_t *ha, unsigned long interval)
191{
192 mod_timer(&ha->timer, jiffies + interval * HZ);
193}
194
a824ebb3 195static __inline__ void
1da177e4
LT		 196qla2x00_stop_timer(scsi_qla_host_t *ha)
197{
198 del_timer_sync(&ha->timer);
199 ha->timer_active = 0;
200}
201
1da177e4
LT		 202static int qla2x00_do_dpc(void *data);
203
204static void qla2x00_rst_aen(scsi_qla_host_t *);
205
e8711085 206static int qla2x00_mem_alloc(scsi_qla_host_t *);
a824ebb3 207static void qla2x00_mem_free(scsi_qla_host_t *ha);
f4f051eb 208static void qla2x00_sp_free_dma(scsi_qla_host_t *, srb_t *);
1da177e4 209
1da177e4
LT		 210/* -------------------------------------------------------------------------- */
211
1da177e4 212static char *
abbd8870 213qla2x00_pci_info_str(struct scsi_qla_host *ha, char *str)
1da177e4
LT		 214{
215 static char *pci_bus_modes[] = {
216 "33", "66", "100", "133",
217 };
218 uint16_t pci_bus;
219
220 strcpy(str, "PCI");
221 pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
222 if (pci_bus) {
223 strcat(str, "-X (");
224 strcat(str, pci_bus_modes[pci_bus]);
225 } else {
226 pci_bus = (ha->pci_attr & BIT_8) >> 8;
227 strcat(str, " (");
228 strcat(str, pci_bus_modes[pci_bus]);
229 }
230 strcat(str, " MHz)");
231
232 return (str);
233}
234
fca29703
AV		 235static char *
236qla24xx_pci_info_str(struct scsi_qla_host *ha, char *str)
237{
238 static char *pci_bus_modes[] = { "33", "66", "100", "133", };
239 uint32_t pci_bus;
240 int pcie_reg;
241
242 pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
243 if (pcie_reg) {
244 char lwstr[6];
245 uint16_t pcie_lstat, lspeed, lwidth;
246
247 pcie_reg += 0x12;
248 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
249 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
250 lwidth = (pcie_lstat &
251 (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
252
253 strcpy(str, "PCIe (");
254 if (lspeed == 1)
c87a0d8c 255 strcat(str, "2.5GT/s ");
c3a2f0df 256 else if (lspeed == 2)
c87a0d8c 257 strcat(str, "5.0GT/s ");
fca29703
AV		 258 else
259 strcat(str, "<unknown> ");
260 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
261 strcat(str, lwstr);
262
263 return str;
264 }
265
266 strcpy(str, "PCI");
267 pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
268 if (pci_bus == 0 || pci_bus == 8) {
269 strcat(str, " (");
270 strcat(str, pci_bus_modes[pci_bus >> 3]);
271 } else {
272 strcat(str, "-X ");
273 if (pci_bus & BIT_2)
274 strcat(str, "Mode 2");
275 else
276 strcat(str, "Mode 1");
277 strcat(str, " (");
278 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
279 }
280 strcat(str, " MHz)");
281
282 return str;
283}
284
e5f82ab8 285static char *
abbd8870 286qla2x00_fw_version_str(struct scsi_qla_host *ha, char *str)
1da177e4
LT		 287{
288 char un_str[10];
fa2a1ce5 289
1da177e4
LT		 290 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
291 ha->fw_minor_version,
292 ha->fw_subminor_version);
293
294 if (ha->fw_attributes & BIT_9) {
295 strcat(str, "FLX");
296 return (str);
297 }
298
299 switch (ha->fw_attributes & 0xFF) {
300 case 0x7:
301 strcat(str, "EF");
302 break;
303 case 0x17:
304 strcat(str, "TP");
305 break;
306 case 0x37:
307 strcat(str, "IP");
308 break;
309 case 0x77:
310 strcat(str, "VI");
311 break;
312 default:
313 sprintf(un_str, "(%x)", ha->fw_attributes);
314 strcat(str, un_str);
315 break;
316 }
317 if (ha->fw_attributes & 0x100)
318 strcat(str, "X");
319
320 return (str);
321}
322
e5f82ab8 323static char *
fca29703
AV		 324qla24xx_fw_version_str(struct scsi_qla_host *ha, char *str)
325{
f0883ac6
AV		 326 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
327 ha->fw_minor_version,
328 ha->fw_subminor_version);
329
fca29703
AV		 330 if (ha->fw_attributes & BIT_0)
331 strcat(str, "[Class 2] ");
332 if (ha->fw_attributes & BIT_1)
333 strcat(str, "[IP] ");
334 if (ha->fw_attributes & BIT_2)
335 strcat(str, "[Multi-ID] ");
c3a2f0df
AV		 336 if (ha->fw_attributes & BIT_3)
337 strcat(str, "[SB-2] ");
338 if (ha->fw_attributes & BIT_4)
339 strcat(str, "[T10 CRC] ");
340 if (ha->fw_attributes & BIT_5)
341 strcat(str, "[VI] ");
4d4df193
HK		 342 if (ha->fw_attributes & BIT_10)
343 strcat(str, "[84XX] ");
fca29703
AV		 344 if (ha->fw_attributes & BIT_13)
345 strcat(str, "[Experimental]");
346 return str;
fca29703
AV		 347}
348
349static inline srb_t *
350qla2x00_get_new_sp(scsi_qla_host_t *ha, fc_port_t *fcport,
351 struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
352{
353 srb_t *sp;
354
355 sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
356 if (!sp)
357 return sp;
358
fca29703
AV		 359 sp->ha = ha;
360 sp->fcport = fcport;
361 sp->cmd = cmd;
362 sp->flags = 0;
363 CMD_SP(cmd) = (void *)sp;
364 cmd->scsi_done = done;
365
366 return sp;
367}
368
1da177e4 369static int
f4f051eb 370qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
1da177e4 371{
f363b943 372 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
bdf79621 373 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
19a7b4ae 374 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
f4f051eb
AV		 375 srb_t *sp;
376 int rval;
1da177e4 377
14e660e6
SJ		 378 if (unlikely(pci_channel_offline(ha->pdev))) {
379 cmd->result = DID_REQUEUE << 16;
380 goto qc_fail_command;
381 }
382
19a7b4ae
JSEC		 383 rval = fc_remote_port_chkready(rport);
384 if (rval) {
385 cmd->result = rval;
f4f051eb
AV		 386 goto qc_fail_command;
387 }
1da177e4 388
387f96b4 389 /* Close window on fcport/rport state-transitioning. */
5f3a9a20 390 if (fcport->drport) {
387f96b4
AV		 391 cmd->result = DID_IMM_RETRY << 16;
392 goto qc_fail_command;
393 }
394
f4f051eb
AV		 395 if (atomic_read(&fcport->state) != FCS_ONLINE) {
396 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
397 atomic_read(&ha->loop_state) == LOOP_DEAD) {
398 cmd->result = DID_NO_CONNECT << 16;
399 goto qc_fail_command;
400 }
401 goto qc_host_busy;
402 }
1da177e4
LT		 403
404 spin_unlock_irq(ha->host->host_lock);
405
fca29703
AV		 406 sp = qla2x00_get_new_sp(ha, fcport, cmd, done);
407 if (!sp)
f4f051eb 408 goto qc_host_busy_lock;
1da177e4 409
f4f051eb
AV		 410 rval = qla2x00_start_scsi(sp);
411 if (rval != QLA_SUCCESS)
412 goto qc_host_busy_free_sp;
1da177e4 413
f4f051eb 414 spin_lock_irq(ha->host->host_lock);
1da177e4 415
f4f051eb 416 return 0;
1da177e4 417
f4f051eb
AV		 418qc_host_busy_free_sp:
419 qla2x00_sp_free_dma(ha, sp);
f4f051eb 420 mempool_free(sp, ha->srb_mempool);
1da177e4 421
f4f051eb
AV		 422qc_host_busy_lock:
423 spin_lock_irq(ha->host->host_lock);
1da177e4 424
f4f051eb
AV		 425qc_host_busy:
426 return SCSI_MLQUEUE_HOST_BUSY;
1da177e4 427
f4f051eb
AV		 428qc_fail_command:
429 done(cmd);
1da177e4 430
f4f051eb 431 return 0;
1da177e4
LT		 432}
433
fca29703
AV		 434
435static int
436qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
437{
f363b943 438 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
fca29703 439 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
19a7b4ae 440 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
fca29703
AV		 441 srb_t *sp;
442 int rval;
2c3dfe3f 443 scsi_qla_host_t *pha = to_qla_parent(ha);
fca29703 444
14e660e6
SJ		 445 if (unlikely(pci_channel_offline(ha->pdev))) {
446 cmd->result = DID_REQUEUE << 16;
447 goto qc24_fail_command;
448 }
449
19a7b4ae
JSEC		 450 rval = fc_remote_port_chkready(rport);
451 if (rval) {
452 cmd->result = rval;
fca29703
AV		 453 goto qc24_fail_command;
454 }
455
387f96b4 456 /* Close window on fcport/rport state-transitioning. */
5f3a9a20 457 if (fcport->drport) {
387f96b4
AV		 458 cmd->result = DID_IMM_RETRY << 16;
459 goto qc24_fail_command;
460 }
461
fca29703
AV		 462 if (atomic_read(&fcport->state) != FCS_ONLINE) {
463 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
2c3dfe3f 464 atomic_read(&pha->loop_state) == LOOP_DEAD) {
fca29703
AV		 465 cmd->result = DID_NO_CONNECT << 16;
466 goto qc24_fail_command;
467 }
468 goto qc24_host_busy;
469 }
470
471 spin_unlock_irq(ha->host->host_lock);
472
2c3dfe3f 473 sp = qla2x00_get_new_sp(pha, fcport, cmd, done);
fca29703
AV		 474 if (!sp)
475 goto qc24_host_busy_lock;
476
477 rval = qla24xx_start_scsi(sp);
478 if (rval != QLA_SUCCESS)
479 goto qc24_host_busy_free_sp;
480
481 spin_lock_irq(ha->host->host_lock);
482
483 return 0;
484
485qc24_host_busy_free_sp:
2c3dfe3f
SJ		 486 qla2x00_sp_free_dma(pha, sp);
487 mempool_free(sp, pha->srb_mempool);
fca29703
AV		 488
489qc24_host_busy_lock:
490 spin_lock_irq(ha->host->host_lock);
491
492qc24_host_busy:
493 return SCSI_MLQUEUE_HOST_BUSY;
494
495qc24_fail_command:
496 done(cmd);
497
498 return 0;
499}
500
501
1da177e4
LT		 502/*
503 * qla2x00_eh_wait_on_command
504 * Waits for the command to be returned by the Firmware for some
505 * max time.
506 *
507 * Input:
508 * ha = actual ha whose done queue will contain the command
509 * returned by firmware.
510 * cmd = Scsi Command to wait on.
511 * flag = Abort/Reset(Bus or Device Reset)
512 *
513 * Return:
514 * Not Found : 0
515 * Found : 1
516 */
517static int
518qla2x00_eh_wait_on_command(scsi_qla_host_t *ha, struct scsi_cmnd *cmd)
519{
fe74c71f
AV		 520#define ABORT_POLLING_PERIOD 1000
521#define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
f4f051eb
AV		 522 unsigned long wait_iter = ABORT_WAIT_ITER;
523 int ret = QLA_SUCCESS;
1da177e4 524
f4f051eb 525 while (CMD_SP(cmd)) {
fe74c71f 526 msleep(ABORT_POLLING_PERIOD);
1da177e4 527
f4f051eb
AV		 528 if (--wait_iter)
529 break;
530 }
531 if (CMD_SP(cmd))
532 ret = QLA_FUNCTION_FAILED;
1da177e4 533
f4f051eb 534 return ret;
1da177e4
LT		 535}
536
537/*
538 * qla2x00_wait_for_hba_online
fa2a1ce5 539 * Wait till the HBA is online after going through
1da177e4
LT		 540 * <= MAX_RETRIES_OF_ISP_ABORT or
541 * finally HBA is disabled ie marked offline
542 *
543 * Input:
544 * ha - pointer to host adapter structure
fa2a1ce5
AV		 545 *
546 * Note:
1da177e4
LT		 547 * Does context switching-Release SPIN_LOCK
548 * (if any) before calling this routine.
549 *
550 * Return:
551 * Success (Adapter is online) : 0
552 * Failed (Adapter is offline/disabled) : 1
553 */
854165f4 554int
1da177e4
LT		 555qla2x00_wait_for_hba_online(scsi_qla_host_t *ha)
556{
fca29703
AV		 557 int return_status;
558 unsigned long wait_online;
2c3dfe3f 559 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4 560
fa2a1ce5 561 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
2c3dfe3f
SJ		 562 while (((test_bit(ISP_ABORT_NEEDED, &pha->dpc_flags)) ||
563 test_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags) ||
564 test_bit(ISP_ABORT_RETRY, &pha->dpc_flags) ||
565 pha->dpc_active) && time_before(jiffies, wait_online)) {
1da177e4
LT		 566
567 msleep(1000);
568 }
2c3dfe3f 569 if (pha->flags.online)
fa2a1ce5 570 return_status = QLA_SUCCESS;
1da177e4
LT		 571 else
572 return_status = QLA_FUNCTION_FAILED;
573
1da177e4
LT		 574 return (return_status);
575}
576
577/*
578 * qla2x00_wait_for_loop_ready
579 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
fa2a1ce5 580 * to be in LOOP_READY state.
1da177e4
LT		 581 * Input:
582 * ha - pointer to host adapter structure
fa2a1ce5
AV		 583 *
584 * Note:
1da177e4
LT		 585 * Does context switching-Release SPIN_LOCK
586 * (if any) before calling this routine.
fa2a1ce5 587 *
1da177e4
LT		 588 *
589 * Return:
590 * Success (LOOP_READY) : 0
591 * Failed (LOOP_NOT_READY) : 1
592 */
fa2a1ce5 593static inline int
1da177e4
LT		 594qla2x00_wait_for_loop_ready(scsi_qla_host_t *ha)
595{
596 int return_status = QLA_SUCCESS;
597 unsigned long loop_timeout ;
2c3dfe3f 598 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4
LT		 599
600 /* wait for 5 min at the max for loop to be ready */
fa2a1ce5 601 loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1da177e4 602
2c3dfe3f
SJ		 603 while ((!atomic_read(&pha->loop_down_timer) &&
604 atomic_read(&pha->loop_state) == LOOP_DOWN) ||
605 atomic_read(&pha->loop_state) != LOOP_READY) {
606 if (atomic_read(&pha->loop_state) == LOOP_DEAD) {
57680080
RA		 607 return_status = QLA_FUNCTION_FAILED;
608 break;
609 }
1da177e4
LT		 610 msleep(1000);
611 if (time_after_eq(jiffies, loop_timeout)) {
612 return_status = QLA_FUNCTION_FAILED;
613 break;
614 }
615 }
fa2a1ce5 616 return (return_status);
1da177e4
LT		 617}
618
5f3a9a20
SJ		 619void
620qla2x00_abort_fcport_cmds(fc_port_t *fcport)
621{
622 int cnt;
623 unsigned long flags;
624 srb_t *sp;
625 scsi_qla_host_t *ha = fcport->ha;
626 scsi_qla_host_t *pha = to_qla_parent(ha);
627
628 spin_lock_irqsave(&pha->hardware_lock, flags);
629 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
630 sp = pha->outstanding_cmds[cnt];
631 if (!sp)
632 continue;
633 if (sp->fcport != fcport)
634 continue;
635
636 spin_unlock_irqrestore(&pha->hardware_lock, flags);
637 if (ha->isp_ops->abort_command(ha, sp)) {
638 DEBUG2(qla_printk(KERN_WARNING, ha,
639 "Abort failed -- %lx\n", sp->cmd->serial_number));
640 } else {
641 if (qla2x00_eh_wait_on_command(ha, sp->cmd) !=
642 QLA_SUCCESS)
643 DEBUG2(qla_printk(KERN_WARNING, ha,
644 "Abort failed while waiting -- %lx\n",
645 sp->cmd->serial_number));
646
647 }
648 spin_lock_irqsave(&pha->hardware_lock, flags);
649 }
650 spin_unlock_irqrestore(&pha->hardware_lock, flags);
651}
652
07db5183
AV		 653static void
654qla2x00_block_error_handler(struct scsi_cmnd *cmnd)
655{
656 struct Scsi_Host *shost = cmnd->device->host;
657 struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device));
658 unsigned long flags;
659
660 spin_lock_irqsave(shost->host_lock, flags);
661 while (rport->port_state == FC_PORTSTATE_BLOCKED) {
662 spin_unlock_irqrestore(shost->host_lock, flags);
663 msleep(1000);
664 spin_lock_irqsave(shost->host_lock, flags);
665 }
666 spin_unlock_irqrestore(shost->host_lock, flags);
667 return;
668}
669
1da177e4
LT		 670/**************************************************************************
671* qla2xxx_eh_abort
672*
673* Description:
674* The abort function will abort the specified command.
675*
676* Input:
677* cmd = Linux SCSI command packet to be aborted.
678*
679* Returns:
680* Either SUCCESS or FAILED.
681*
682* Note:
2ea00202 683* Only return FAILED if command not returned by firmware.
1da177e4 684**************************************************************************/
e5f82ab8 685static int
1da177e4
LT		 686qla2xxx_eh_abort(struct scsi_cmnd *cmd)
687{
f363b943 688 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
f4f051eb
AV		 689 srb_t *sp;
690 int ret, i;
691 unsigned int id, lun;
692 unsigned long serial;
18e144d3 693 unsigned long flags;
2ea00202 694 int wait = 0;
2c3dfe3f 695 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4 696
07db5183
AV		 697 qla2x00_block_error_handler(cmd);
698
f4f051eb 699 if (!CMD_SP(cmd))
2ea00202 700 return SUCCESS;
1da177e4 701
2ea00202 702 ret = SUCCESS;
1da177e4 703
f4f051eb
AV		 704 id = cmd->device->id;
705 lun = cmd->device->lun;
706 serial = cmd->serial_number;
1da177e4 707
f4f051eb 708 /* Check active list for command command. */
2c3dfe3f 709 spin_lock_irqsave(&pha->hardware_lock, flags);
f4f051eb 710 for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
2c3dfe3f 711 sp = pha->outstanding_cmds[i];
1da177e4 712
f4f051eb
AV		 713 if (sp == NULL)
714 continue;
1da177e4 715
f4f051eb
AV		 716 if (sp->cmd != cmd)
717 continue;
1da177e4 718
75bc4190
AV		 719 DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld.\n",
720 __func__, ha->host_no, sp, serial));
1da177e4 721
2c3dfe3f 722 spin_unlock_irqrestore(&pha->hardware_lock, flags);
fd34f556 723 if (ha->isp_ops->abort_command(ha, sp)) {
f4f051eb
AV		 724 DEBUG2(printk("%s(%ld): abort_command "
725 "mbx failed.\n", __func__, ha->host_no));
726 } else {
727 DEBUG3(printk("%s(%ld): abort_command "
728 "mbx success.\n", __func__, ha->host_no));
2ea00202 729 wait = 1;
f4f051eb 730 }
2c3dfe3f 731 spin_lock_irqsave(&pha->hardware_lock, flags);
1da177e4 732
f4f051eb
AV		 733 break;
734 }
2c3dfe3f 735 spin_unlock_irqrestore(&pha->hardware_lock, flags);
1da177e4 736
f4f051eb 737 /* Wait for the command to be returned. */
2ea00202 738 if (wait) {
f4f051eb 739 if (qla2x00_eh_wait_on_command(ha, cmd) != QLA_SUCCESS) {
fa2a1ce5 740 qla_printk(KERN_ERR, ha,
f4f051eb
AV		 741 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
742 "%x.\n", ha->host_no, id, lun, serial, ret);
2ea00202 743 ret = FAILED;
f4f051eb 744 }
1da177e4 745 }
1da177e4 746
fa2a1ce5 747 qla_printk(KERN_INFO, ha,
2ea00202
MR		 748 "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
749 ha->host_no, id, lun, wait, serial, ret);
1da177e4 750
f4f051eb
AV		 751 return ret;
752}
1da177e4 753
523ec773
AV		 754enum nexus_wait_type {
755 WAIT_HOST = 0,
756 WAIT_TARGET,
757 WAIT_LUN,
758};
759
f4f051eb 760static int
523ec773
AV		 761qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha, unsigned int t,
762 unsigned int l, enum nexus_wait_type type)
f4f051eb 763{
523ec773
AV		 764 int cnt, match, status;
765 srb_t *sp;
18e144d3 766 unsigned long flags;
2c3dfe3f 767 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4 768
523ec773
AV		 769 status = QLA_SUCCESS;
770 spin_lock_irqsave(&pha->hardware_lock, flags);
771 for (cnt = 1; status == QLA_SUCCESS && cnt < MAX_OUTSTANDING_COMMANDS;
772 cnt++) {
2c3dfe3f 773 sp = pha->outstanding_cmds[cnt];
523ec773
AV		 774 if (!sp)
775 continue;
776 if (ha->vp_idx != sp->ha->vp_idx)
777 continue;
778 match = 0;
779 switch (type) {
780 case WAIT_HOST:
781 match = 1;
782 break;
783 case WAIT_TARGET:
784 match = sp->cmd->device->id == t;
785 break;
786 case WAIT_LUN:
787 match = (sp->cmd->device->id == t &&
788 sp->cmd->device->lun == l);
789 break;
1da177e4 790 }
523ec773
AV		 791 if (!match)
792 continue;
793
794 spin_unlock_irqrestore(&pha->hardware_lock, flags);
795 status = qla2x00_eh_wait_on_command(ha, sp->cmd);
796 spin_lock_irqsave(&pha->hardware_lock, flags);
1da177e4 797 }
523ec773
AV		 798 spin_unlock_irqrestore(&pha->hardware_lock, flags);
799
800 return status;
1da177e4
LT		 801}
802
523ec773
AV		 803static char *reset_errors[] = {
804 "HBA not online",
805 "HBA not ready",
806 "Task management failed",
807 "Waiting for command completions",
808};
1da177e4 809
e5f82ab8 810static int
523ec773
AV		 811__qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
812 struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int))
1da177e4 813{
f363b943 814 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
bdf79621 815 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
523ec773 816 int err;
1da177e4 817
07db5183
AV		 818 qla2x00_block_error_handler(cmd);
819
b0328bee 820 if (!fcport)
523ec773 821 return FAILED;
1da177e4 822
523ec773
AV		 823 qla_printk(KERN_INFO, ha, "scsi(%ld:%d:%d): %s RESET ISSUED.\n",
824 ha->host_no, cmd->device->id, cmd->device->lun, name);
1da177e4 825
523ec773 826 err = 0;
94d0e7b8 827 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
523ec773
AV		 828 goto eh_reset_failed;
829 err = 1;
830 if (qla2x00_wait_for_loop_ready(ha) != QLA_SUCCESS)
831 goto eh_reset_failed;
832 err = 2;
833 if (do_reset(fcport, cmd->device->lun) != QLA_SUCCESS)
834 goto eh_reset_failed;
835 err = 3;
836 if (qla2x00_eh_wait_for_pending_commands(ha, cmd->device->id,
837 cmd->device->lun, type) != QLA_SUCCESS)
838 goto eh_reset_failed;
839
840 qla_printk(KERN_INFO, ha, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n",
841 ha->host_no, cmd->device->id, cmd->device->lun, name);
842
843 return SUCCESS;
844
845 eh_reset_failed:
846 qla_printk(KERN_INFO, ha, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n",
847 ha->host_no, cmd->device->id, cmd->device->lun, name,
848 reset_errors[err]);
849 return FAILED;
850}
1da177e4 851
523ec773
AV		 852static int
853qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
854{
855 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
1da177e4 856
523ec773
AV		 857 return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
858 ha->isp_ops->lun_reset);
1da177e4
LT		 859}
860
1da177e4 861static int
523ec773 862qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1da177e4 863{
523ec773 864 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
1da177e4 865
523ec773
AV		 866 return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
867 ha->isp_ops->target_reset);
1da177e4
LT		 868}
869
1da177e4
LT		 870/**************************************************************************
871* qla2xxx_eh_bus_reset
872*
873* Description:
874* The bus reset function will reset the bus and abort any executing
875* commands.
876*
877* Input:
878* cmd = Linux SCSI command packet of the command that cause the
879* bus reset.
880*
881* Returns:
882* SUCCESS/FAILURE (defined as macro in scsi.h).
883*
884**************************************************************************/
e5f82ab8 885static int
1da177e4
LT		 886qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
887{
f363b943 888 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
2c3dfe3f 889 scsi_qla_host_t *pha = to_qla_parent(ha);
bdf79621 890 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
2c3dfe3f 891 int ret = FAILED;
f4f051eb
AV		 892 unsigned int id, lun;
893 unsigned long serial;
894
07db5183
AV		 895 qla2x00_block_error_handler(cmd);
896
f4f051eb
AV		 897 id = cmd->device->id;
898 lun = cmd->device->lun;
899 serial = cmd->serial_number;
1da177e4 900
b0328bee 901 if (!fcport)
f4f051eb 902 return ret;
1da177e4
LT		 903
904 qla_printk(KERN_INFO, ha,
f4f051eb 905 "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha->host_no, id, lun);
1da177e4 906
1da177e4
LT		 907 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) {
908 DEBUG2(printk("%s failed:board disabled\n",__func__));
f4f051eb 909 goto eh_bus_reset_done;
1da177e4
LT		 910 }
911
912 if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
f4f051eb
AV		 913 if (qla2x00_loop_reset(ha) == QLA_SUCCESS)
914 ret = SUCCESS;
1da177e4 915 }
f4f051eb
AV		 916 if (ret == FAILED)
917 goto eh_bus_reset_done;
1da177e4 918
9a41a62b 919 /* Flush outstanding commands. */
523ec773
AV		 920 if (qla2x00_eh_wait_for_pending_commands(pha, 0, 0, WAIT_HOST) !=
921 QLA_SUCCESS)
9a41a62b 922 ret = FAILED;
1da177e4 923
f4f051eb 924eh_bus_reset_done:
1da177e4 925 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
f4f051eb 926 (ret == FAILED) ? "failed" : "succeded");
1da177e4 927
f4f051eb 928 return ret;
1da177e4
LT		 929}
930
931/**************************************************************************
932* qla2xxx_eh_host_reset
933*
934* Description:
935* The reset function will reset the Adapter.
936*
937* Input:
938* cmd = Linux SCSI command packet of the command that cause the
939* adapter reset.
940*
941* Returns:
942* Either SUCCESS or FAILED.
943*
944* Note:
945**************************************************************************/
e5f82ab8 946static int
1da177e4
LT		 947qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
948{
f363b943 949 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
bdf79621 950 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
2c3dfe3f 951 int ret = FAILED;
f4f051eb
AV		 952 unsigned int id, lun;
953 unsigned long serial;
2c3dfe3f 954 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4 955
07db5183
AV		 956 qla2x00_block_error_handler(cmd);
957
f4f051eb
AV		 958 id = cmd->device->id;
959 lun = cmd->device->lun;
960 serial = cmd->serial_number;
961
b0328bee 962 if (!fcport)
f4f051eb 963 return ret;
1da177e4 964
1da177e4 965 qla_printk(KERN_INFO, ha,
f4f051eb 966 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha->host_no, id, lun);
1da177e4 967
1da177e4 968 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
f4f051eb 969 goto eh_host_reset_lock;
1da177e4
LT		 970
971 /*
972 * Fixme-may be dpc thread is active and processing
fa2a1ce5 973 * loop_resync,so wait a while for it to
1da177e4
LT		 974 * be completed and then issue big hammer.Otherwise
975 * it may cause I/O failure as big hammer marks the
976 * devices as lost kicking of the port_down_timer
977 * while dpc is stuck for the mailbox to complete.
978 */
1da177e4 979 qla2x00_wait_for_loop_ready(ha);
2c3dfe3f
SJ		 980 set_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
981 if (qla2x00_abort_isp(pha)) {
982 clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
1da177e4 983 /* failed. schedule dpc to try */
2c3dfe3f 984 set_bit(ISP_ABORT_NEEDED, &pha->dpc_flags);
1da177e4
LT		 985
986 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
f4f051eb 987 goto eh_host_reset_lock;
fa2a1ce5 988 }
2c3dfe3f 989 clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
1da177e4 990
1da177e4 991 /* Waiting for our command in done_queue to be returned to OS.*/
523ec773
AV		 992 if (qla2x00_eh_wait_for_pending_commands(pha, 0, 0, WAIT_HOST) ==
993 QLA_SUCCESS)
f4f051eb 994 ret = SUCCESS;
1da177e4 995
2c3dfe3f
SJ		 996 if (ha->parent)
997 qla2x00_vp_abort_isp(ha);
998
f4f051eb 999eh_host_reset_lock:
f4f051eb
AV		 1000 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1001 (ret == FAILED) ? "failed" : "succeded");
1da177e4 1002
f4f051eb
AV		 1003 return ret;
1004}
1da177e4
LT		 1005
1006/*
1007* qla2x00_loop_reset
1008* Issue loop reset.
1009*
1010* Input:
1011* ha = adapter block pointer.
1012*
1013* Returns:
1014* 0 = success
1015*/
a4722cf2 1016int
1da177e4
LT		 1017qla2x00_loop_reset(scsi_qla_host_t *ha)
1018{
0c8c39af 1019 int ret;
bdf79621 1020 struct fc_port *fcport;
1da177e4 1021
0c8c39af
AV		 1022 if (ha->flags.enable_lip_full_login) {
1023 ret = qla2x00_full_login_lip(ha);
1024 if (ret != QLA_SUCCESS) {
1025 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1026 "full_login_lip=%d.\n", __func__, ha->host_no,
1027 ret));
1028 }
1029 atomic_set(&ha->loop_state, LOOP_DOWN);
1030 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
1031 qla2x00_mark_all_devices_lost(ha, 0);
1032 qla2x00_wait_for_loop_ready(ha);
1033 }
1034
1da177e4 1035 if (ha->flags.enable_lip_reset) {
0c8c39af
AV		 1036 ret = qla2x00_lip_reset(ha);
1037 if (ret != QLA_SUCCESS) {
1038 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1039 "lip_reset=%d.\n", __func__, ha->host_no, ret));
1040 }
1041 qla2x00_wait_for_loop_ready(ha);
1da177e4
LT		 1042 }
1043
0c8c39af 1044 if (ha->flags.enable_target_reset) {
bdf79621
AV		 1045 list_for_each_entry(fcport, &ha->fcports, list) {
1046 if (fcport->port_type != FCT_TARGET)
1da177e4
LT		 1047 continue;
1048
523ec773 1049 ret = ha->isp_ops->target_reset(fcport, 0);
0c8c39af
AV		 1050 if (ret != QLA_SUCCESS) {
1051 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1052 "target_reset=%d d_id=%x.\n", __func__,
1053 ha->host_no, ret, fcport->d_id.b24));
1054 }
1da177e4
LT		 1055 }
1056 }
1057
1da177e4
LT		 1058 /* Issue marker command only when we are going to start the I/O */
1059 ha->marker_needed = 1;
1060
0c8c39af 1061 return QLA_SUCCESS;
1da177e4
LT		 1062}
1063
df4bf0bb
AV		 1064void
1065qla2x00_abort_all_cmds(scsi_qla_host_t *ha, int res)
1066{
1067 int cnt;
1068 unsigned long flags;
1069 srb_t *sp;
1070
1071 spin_lock_irqsave(&ha->hardware_lock, flags);
1072 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1073 sp = ha->outstanding_cmds[cnt];
1074 if (sp) {
1075 ha->outstanding_cmds[cnt] = NULL;
1076 sp->flags = 0;
1077 sp->cmd->result = res;
1078 sp->cmd->host_scribble = (unsigned char *)NULL;
1079 qla2x00_sp_compl(ha, sp);
1080 }
1081 }
1082 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1083}
1084
f4f051eb
AV		 1085static int
1086qla2xxx_slave_alloc(struct scsi_device *sdev)
1da177e4 1087{
bdf79621 1088 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1da177e4 1089
19a7b4ae 1090 if (!rport || fc_remote_port_chkready(rport))
f4f051eb 1091 return -ENXIO;
bdf79621 1092
19a7b4ae 1093 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1da177e4 1094
f4f051eb
AV		 1095 return 0;
1096}
1da177e4 1097
f4f051eb
AV		 1098static int
1099qla2xxx_slave_configure(struct scsi_device *sdev)
1100{
f363b943 1101 scsi_qla_host_t *ha = shost_priv(sdev->host);
8482e118
AV		 1102 struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1103
f4f051eb 1104 if (sdev->tagged_supported)
df7baa50 1105 scsi_activate_tcq(sdev, ha->max_q_depth);
f4f051eb 1106 else
df7baa50 1107 scsi_deactivate_tcq(sdev, ha->max_q_depth);
1da177e4 1108
85821c90 1109 rport->dev_loss_tmo = ha->port_down_retry_count;
8482e118 1110
f4f051eb
AV		 1111 return 0;
1112}
1da177e4 1113
f4f051eb
AV		 1114static void
1115qla2xxx_slave_destroy(struct scsi_device *sdev)
1116{
1117 sdev->hostdata = NULL;
1da177e4
LT		 1118}
1119
ce7e4af7
AV		 1120static int
1121qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
1122{
1123 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1124 return sdev->queue_depth;
1125}
1126
1127static int
1128qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1129{
1130 if (sdev->tagged_supported) {
1131 scsi_set_tag_type(sdev, tag_type);
1132 if (tag_type)
1133 scsi_activate_tcq(sdev, sdev->queue_depth);
1134 else
1135 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1136 } else
1137 tag_type = 0;
1138
1139 return tag_type;
1140}
1141
1da177e4
LT		 1142/**
1143 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1144 * @ha: HA context
1145 *
1146 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1147 * supported addressing method.
1148 */
1149static void
1150qla2x00_config_dma_addressing(scsi_qla_host_t *ha)
1151{
7524f9b9 1152 /* Assume a 32bit DMA mask. */
1da177e4 1153 ha->flags.enable_64bit_addressing = 0;
1da177e4 1154
7524f9b9
AV		 1155 if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) {
1156 /* Any upper-dword bits set? */
1157 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1158 !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) {
1159 /* Ok, a 64bit DMA mask is applicable. */
1da177e4 1160 ha->flags.enable_64bit_addressing = 1;
fd34f556
AV		 1161 ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1162 ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
7524f9b9 1163 return;
1da177e4 1164 }
1da177e4 1165 }
7524f9b9
AV		 1166
1167 dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK);
1168 pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK);
1da177e4
LT		 1169}
1170
fd34f556
AV		 1171static void
1172qla2x00_enable_intrs(scsi_qla_host_t *ha)
1173{
1174 unsigned long flags = 0;
1175 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1176
1177 spin_lock_irqsave(&ha->hardware_lock, flags);
1178 ha->interrupts_on = 1;
1179 /* enable risc and host interrupts */
1180 WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1181 RD_REG_WORD(&reg->ictrl);
1182 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1183
1184}
1185
1186static void
1187qla2x00_disable_intrs(scsi_qla_host_t *ha)
1188{
1189 unsigned long flags = 0;
1190 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1191
1192 spin_lock_irqsave(&ha->hardware_lock, flags);
1193 ha->interrupts_on = 0;
1194 /* disable risc and host interrupts */
1195 WRT_REG_WORD(&reg->ictrl, 0);
1196 RD_REG_WORD(&reg->ictrl);
1197 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1198}
1199
1200static void
1201qla24xx_enable_intrs(scsi_qla_host_t *ha)
1202{
1203 unsigned long flags = 0;
1204 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1205
1206 spin_lock_irqsave(&ha->hardware_lock, flags);
1207 ha->interrupts_on = 1;
1208 WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1209 RD_REG_DWORD(&reg->ictrl);
1210 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1211}
1212
1213static void
1214qla24xx_disable_intrs(scsi_qla_host_t *ha)
1215{
1216 unsigned long flags = 0;
1217 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1218
1219 spin_lock_irqsave(&ha->hardware_lock, flags);
1220 ha->interrupts_on = 0;
1221 WRT_REG_DWORD(&reg->ictrl, 0);
1222 RD_REG_DWORD(&reg->ictrl);
1223 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1224}
1225
1226static struct isp_operations qla2100_isp_ops = {
1227 .pci_config = qla2100_pci_config,
1228 .reset_chip = qla2x00_reset_chip,
1229 .chip_diag = qla2x00_chip_diag,
1230 .config_rings = qla2x00_config_rings,
1231 .reset_adapter = qla2x00_reset_adapter,
1232 .nvram_config = qla2x00_nvram_config,
1233 .update_fw_options = qla2x00_update_fw_options,
1234 .load_risc = qla2x00_load_risc,
1235 .pci_info_str = qla2x00_pci_info_str,
1236 .fw_version_str = qla2x00_fw_version_str,
1237 .intr_handler = qla2100_intr_handler,
1238 .enable_intrs = qla2x00_enable_intrs,
1239 .disable_intrs = qla2x00_disable_intrs,
1240 .abort_command = qla2x00_abort_command,
523ec773
AV		 1241 .target_reset = qla2x00_abort_target,
1242 .lun_reset = qla2x00_lun_reset,
fd34f556
AV		 1243 .fabric_login = qla2x00_login_fabric,
1244 .fabric_logout = qla2x00_fabric_logout,
1245 .calc_req_entries = qla2x00_calc_iocbs_32,
1246 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1247 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1248 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1249 .read_nvram = qla2x00_read_nvram_data,
1250 .write_nvram = qla2x00_write_nvram_data,
1251 .fw_dump = qla2100_fw_dump,
1252 .beacon_on = NULL,
1253 .beacon_off = NULL,
1254 .beacon_blink = NULL,
1255 .read_optrom = qla2x00_read_optrom_data,
1256 .write_optrom = qla2x00_write_optrom_data,
1257 .get_flash_version = qla2x00_get_flash_version,
1258};
1259
1260static struct isp_operations qla2300_isp_ops = {
1261 .pci_config = qla2300_pci_config,
1262 .reset_chip = qla2x00_reset_chip,
1263 .chip_diag = qla2x00_chip_diag,
1264 .config_rings = qla2x00_config_rings,
1265 .reset_adapter = qla2x00_reset_adapter,
1266 .nvram_config = qla2x00_nvram_config,
1267 .update_fw_options = qla2x00_update_fw_options,
1268 .load_risc = qla2x00_load_risc,
1269 .pci_info_str = qla2x00_pci_info_str,
1270 .fw_version_str = qla2x00_fw_version_str,
1271 .intr_handler = qla2300_intr_handler,
1272 .enable_intrs = qla2x00_enable_intrs,
1273 .disable_intrs = qla2x00_disable_intrs,
1274 .abort_command = qla2x00_abort_command,
523ec773
AV		 1275 .target_reset = qla2x00_abort_target,
1276 .lun_reset = qla2x00_lun_reset,
fd34f556
AV		 1277 .fabric_login = qla2x00_login_fabric,
1278 .fabric_logout = qla2x00_fabric_logout,
1279 .calc_req_entries = qla2x00_calc_iocbs_32,
1280 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1281 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1282 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1283 .read_nvram = qla2x00_read_nvram_data,
1284 .write_nvram = qla2x00_write_nvram_data,
1285 .fw_dump = qla2300_fw_dump,
1286 .beacon_on = qla2x00_beacon_on,
1287 .beacon_off = qla2x00_beacon_off,
1288 .beacon_blink = qla2x00_beacon_blink,
1289 .read_optrom = qla2x00_read_optrom_data,
1290 .write_optrom = qla2x00_write_optrom_data,
1291 .get_flash_version = qla2x00_get_flash_version,
1292};
1293
1294static struct isp_operations qla24xx_isp_ops = {
1295 .pci_config = qla24xx_pci_config,
1296 .reset_chip = qla24xx_reset_chip,
1297 .chip_diag = qla24xx_chip_diag,
1298 .config_rings = qla24xx_config_rings,
1299 .reset_adapter = qla24xx_reset_adapter,
1300 .nvram_config = qla24xx_nvram_config,
1301 .update_fw_options = qla24xx_update_fw_options,
1302 .load_risc = qla24xx_load_risc,
1303 .pci_info_str = qla24xx_pci_info_str,
1304 .fw_version_str = qla24xx_fw_version_str,
1305 .intr_handler = qla24xx_intr_handler,
1306 .enable_intrs = qla24xx_enable_intrs,
1307 .disable_intrs = qla24xx_disable_intrs,
1308 .abort_command = qla24xx_abort_command,
523ec773
AV		 1309 .target_reset = qla24xx_abort_target,
1310 .lun_reset = qla24xx_lun_reset,
fd34f556
AV		 1311 .fabric_login = qla24xx_login_fabric,
1312 .fabric_logout = qla24xx_fabric_logout,
1313 .calc_req_entries = NULL,
1314 .build_iocbs = NULL,
1315 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1316 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1317 .read_nvram = qla24xx_read_nvram_data,
1318 .write_nvram = qla24xx_write_nvram_data,
1319 .fw_dump = qla24xx_fw_dump,
1320 .beacon_on = qla24xx_beacon_on,
1321 .beacon_off = qla24xx_beacon_off,
1322 .beacon_blink = qla24xx_beacon_blink,
1323 .read_optrom = qla24xx_read_optrom_data,
1324 .write_optrom = qla24xx_write_optrom_data,
1325 .get_flash_version = qla24xx_get_flash_version,
1326};
1327
c3a2f0df
AV		 1328static struct isp_operations qla25xx_isp_ops = {
1329 .pci_config = qla25xx_pci_config,
1330 .reset_chip = qla24xx_reset_chip,
1331 .chip_diag = qla24xx_chip_diag,
1332 .config_rings = qla24xx_config_rings,
1333 .reset_adapter = qla24xx_reset_adapter,
1334 .nvram_config = qla24xx_nvram_config,
1335 .update_fw_options = qla24xx_update_fw_options,
1336 .load_risc = qla24xx_load_risc,
1337 .pci_info_str = qla24xx_pci_info_str,
1338 .fw_version_str = qla24xx_fw_version_str,
1339 .intr_handler = qla24xx_intr_handler,
1340 .enable_intrs = qla24xx_enable_intrs,
1341 .disable_intrs = qla24xx_disable_intrs,
1342 .abort_command = qla24xx_abort_command,
523ec773
AV		 1343 .target_reset = qla24xx_abort_target,
1344 .lun_reset = qla24xx_lun_reset,
c3a2f0df
AV		 1345 .fabric_login = qla24xx_login_fabric,
1346 .fabric_logout = qla24xx_fabric_logout,
1347 .calc_req_entries = NULL,
1348 .build_iocbs = NULL,
1349 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1350 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1351 .read_nvram = qla25xx_read_nvram_data,
1352 .write_nvram = qla25xx_write_nvram_data,
1353 .fw_dump = qla25xx_fw_dump,
1354 .beacon_on = qla24xx_beacon_on,
1355 .beacon_off = qla24xx_beacon_off,
1356 .beacon_blink = qla24xx_beacon_blink,
338c9161 1357 .read_optrom = qla25xx_read_optrom_data,
c3a2f0df
AV		 1358 .write_optrom = qla24xx_write_optrom_data,
1359 .get_flash_version = qla24xx_get_flash_version,
1360};
1361
ea5b6382
AV		 1362static inline void
1363qla2x00_set_isp_flags(scsi_qla_host_t *ha)
1364{
1365 ha->device_type = DT_EXTENDED_IDS;
1366 switch (ha->pdev->device) {
1367 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1368 ha->device_type |= DT_ISP2100;
1369 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1370 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382
AV		 1371 break;
1372 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1373 ha->device_type |= DT_ISP2200;
1374 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1375 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382
AV		 1376 break;
1377 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1378 ha->device_type |= DT_ISP2300;
4a59f71d 1379 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1380 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1381 break;
1382 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1383 ha->device_type |= DT_ISP2312;
4a59f71d 1384 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1385 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1386 break;
1387 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1388 ha->device_type |= DT_ISP2322;
4a59f71d 1389 ha->device_type |= DT_ZIO_SUPPORTED;
ea5b6382
AV		 1390 if (ha->pdev->subsystem_vendor == 0x1028 &&
1391 ha->pdev->subsystem_device == 0x0170)
1392 ha->device_type |= DT_OEM_001;
441d1072 1393 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1394 break;
1395 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1396 ha->device_type |= DT_ISP6312;
441d1072 1397 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1398 break;
1399 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1400 ha->device_type |= DT_ISP6322;
441d1072 1401 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1402 break;
1403 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1404 ha->device_type |= DT_ISP2422;
4a59f71d 1405 ha->device_type |= DT_ZIO_SUPPORTED;
e428924c 1406 ha->device_type |= DT_FWI2;
c76f2c01 1407 ha->device_type |= DT_IIDMA;
441d1072 1408 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382
AV		 1409 break;
1410 case PCI_DEVICE_ID_QLOGIC_ISP2432:
1411 ha->device_type |= DT_ISP2432;
4a59f71d 1412 ha->device_type |= DT_ZIO_SUPPORTED;
e428924c 1413 ha->device_type |= DT_FWI2;
c76f2c01 1414 ha->device_type |= DT_IIDMA;
441d1072 1415 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1416 break;
4d4df193
HK		 1417 case PCI_DEVICE_ID_QLOGIC_ISP8432:
1418 ha->device_type |= DT_ISP8432;
1419 ha->device_type |= DT_ZIO_SUPPORTED;
1420 ha->device_type |= DT_FWI2;
1421 ha->device_type |= DT_IIDMA;
1422 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1423 break;
044cc6c8
AV		 1424 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1425 ha->device_type |= DT_ISP5422;
e428924c 1426 ha->device_type |= DT_FWI2;
441d1072 1427 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1428 break;
044cc6c8
AV		 1429 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1430 ha->device_type |= DT_ISP5432;
e428924c 1431 ha->device_type |= DT_FWI2;
441d1072 1432 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1433 break;
c3a2f0df
AV		 1434 case PCI_DEVICE_ID_QLOGIC_ISP2532:
1435 ha->device_type |= DT_ISP2532;
1436 ha->device_type |= DT_ZIO_SUPPORTED;
1437 ha->device_type |= DT_FWI2;
1438 ha->device_type |= DT_IIDMA;
441d1072 1439 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382
AV		 1440 break;
1441 }
1442}
1443
1da177e4
LT		 1444static int
1445qla2x00_iospace_config(scsi_qla_host_t *ha)
1446{
3776541d 1447 resource_size_t pio;
1da177e4 1448
285d0321
AV		 1449 if (pci_request_selected_regions(ha->pdev, ha->bars,
1450 QLA2XXX_DRIVER_NAME)) {
1451 qla_printk(KERN_WARNING, ha,
1452 "Failed to reserve PIO/MMIO regions (%s)\n",
1453 pci_name(ha->pdev));
1454
1455 goto iospace_error_exit;
1456 }
1457 if (!(ha->bars & 1))
1458 goto skip_pio;
1459
1da177e4
LT		 1460 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1461 pio = pci_resource_start(ha->pdev, 0);
3776541d
AV		 1462 if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1463 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1da177e4
LT		 1464 qla_printk(KERN_WARNING, ha,
1465 "Invalid PCI I/O region size (%s)...\n",
1466 pci_name(ha->pdev));
1467 pio = 0;
1468 }
1469 } else {
1470 qla_printk(KERN_WARNING, ha,
1471 "region #0 not a PIO resource (%s)...\n",
1472 pci_name(ha->pdev));
1473 pio = 0;
1474 }
285d0321 1475 ha->pio_address = pio;
1da177e4 1476
285d0321 1477skip_pio:
1da177e4 1478 /* Use MMIO operations for all accesses. */
3776541d 1479 if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1da177e4 1480 qla_printk(KERN_ERR, ha,
3776541d 1481 "region #1 not an MMIO resource (%s), aborting\n",
1da177e4
LT		 1482 pci_name(ha->pdev));
1483 goto iospace_error_exit;
1484 }
3776541d 1485 if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1da177e4
LT		 1486 qla_printk(KERN_ERR, ha,
1487 "Invalid PCI mem region size (%s), aborting\n",
1488 pci_name(ha->pdev));
1489 goto iospace_error_exit;
1490 }
1491
3776541d 1492 ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1da177e4
LT		 1493 if (!ha->iobase) {
1494 qla_printk(KERN_ERR, ha,
1495 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1496
1497 goto iospace_error_exit;
1498 }
1499
1500 return (0);
1501
1502iospace_error_exit:
1503 return (-ENOMEM);
1504}
1505
1e99e33a
AV		 1506static void
1507qla2xxx_scan_start(struct Scsi_Host *shost)
1508{
f363b943 1509 scsi_qla_host_t *ha = shost_priv(shost);
1e99e33a
AV		 1510
1511 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
1512 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1513 set_bit(RSCN_UPDATE, &ha->dpc_flags);
1514}
1515
1516static int
1517qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1518{
f363b943 1519 scsi_qla_host_t *ha = shost_priv(shost);
1e99e33a
AV		 1520
1521 if (!ha->host)
1522 return 1;
1523 if (time > ha->loop_reset_delay * HZ)
1524 return 1;
1525
1526 return atomic_read(&ha->loop_state) == LOOP_READY;
1527}
1528
1da177e4
LT		 1529/*
1530 * PCI driver interface
1531 */
7ee61397
AV		 1532static int __devinit
1533qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1da177e4 1534{
a1541d5a 1535 int ret = -ENODEV;
1da177e4
LT		 1536 struct Scsi_Host *host;
1537 scsi_qla_host_t *ha;
29856e28 1538 char pci_info[30];
1da177e4 1539 char fw_str[30];
5433383e 1540 struct scsi_host_template *sht;
09483916 1541 int bars, mem_only = 0;
1da177e4 1542
285d0321 1543 bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
5433383e
AV		 1544 sht = &qla2x00_driver_template;
1545 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
8bc69e7d 1546 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
4d4df193 1547 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
8bc69e7d 1548 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
c3a2f0df 1549 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
285d0321
AV		 1550 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532) {
1551 bars = pci_select_bars(pdev, IORESOURCE_MEM);
5433383e 1552 sht = &qla24xx_driver_template;
09483916 1553 mem_only = 1;
285d0321
AV		 1554 }
1555
09483916
BH		 1556 if (mem_only) {
1557 if (pci_enable_device_mem(pdev))
1558 goto probe_out;
1559 } else {
1560 if (pci_enable_device(pdev))
1561 goto probe_out;
1562 }
285d0321
AV		 1563
1564 if (pci_find_aer_capability(pdev))
1565 if (pci_enable_pcie_error_reporting(pdev))
1566 goto probe_out;
1567
5433383e 1568 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
1da177e4
LT		 1569 if (host == NULL) {
1570 printk(KERN_WARNING
1571 "qla2xxx: Couldn't allocate host from scsi layer!\n");
1572 goto probe_disable_device;
1573 }
1574
1575 /* Clear our data area */
f363b943 1576 ha = shost_priv(host);
1da177e4
LT		 1577 memset(ha, 0, sizeof(scsi_qla_host_t));
1578
1579 ha->pdev = pdev;
1580 ha->host = host;
1581 ha->host_no = host->host_no;
cb63067a 1582 sprintf(ha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, ha->host_no);
2c3dfe3f 1583 ha->parent = NULL;
285d0321 1584 ha->bars = bars;
09483916 1585 ha->mem_only = mem_only;
df4bf0bb 1586 spin_lock_init(&ha->hardware_lock);
1da177e4 1587
ea5b6382
AV		 1588 /* Set ISP-type information. */
1589 qla2x00_set_isp_flags(ha);
1590
1da177e4
LT		 1591 /* Configure PCI I/O space */
1592 ret = qla2x00_iospace_config(ha);
a1541d5a
AV		 1593 if (ret)
1594 goto probe_failed;
1da177e4 1595
1da177e4 1596 qla_printk(KERN_INFO, ha,
5433383e
AV		 1597 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1598 ha->iobase);
1da177e4 1599
1da177e4 1600 ha->prev_topology = 0;
fca29703 1601 ha->init_cb_size = sizeof(init_cb_t);
2c3dfe3f 1602 ha->mgmt_svr_loop_id = MANAGEMENT_SERVER + ha->vp_idx;
d8b45213 1603 ha->link_data_rate = PORT_SPEED_UNKNOWN;
854165f4 1604 ha->optrom_size = OPTROM_SIZE_2300;
1da177e4 1605
df7baa50
AV		 1606 ha->max_q_depth = MAX_Q_DEPTH;
1607 if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
1608 ha->max_q_depth = ql2xmaxqdepth;
1609
abbd8870 1610 /* Assign ISP specific operations. */
1da177e4 1611 if (IS_QLA2100(ha)) {
354d6b21 1612 host->max_id = MAX_TARGETS_2100;
1da177e4
LT		 1613 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
1614 ha->request_q_length = REQUEST_ENTRY_CNT_2100;
1615 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1616 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
1617 host->sg_tablesize = 32;
abbd8870 1618 ha->gid_list_info_size = 4;
fd34f556 1619 ha->isp_ops = &qla2100_isp_ops;
1da177e4 1620 } else if (IS_QLA2200(ha)) {
354d6b21 1621 host->max_id = MAX_TARGETS_2200;
1da177e4
LT		 1622 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1623 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1624 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1625 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
abbd8870 1626 ha->gid_list_info_size = 4;
fd34f556 1627 ha->isp_ops = &qla2100_isp_ops;
fca29703 1628 } else if (IS_QLA23XX(ha)) {
354d6b21 1629 host->max_id = MAX_TARGETS_2200;
1da177e4
LT		 1630 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1631 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1632 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1633 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
abbd8870 1634 ha->gid_list_info_size = 6;
854165f4
AV		 1635 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1636 ha->optrom_size = OPTROM_SIZE_2322;
fd34f556 1637 ha->isp_ops = &qla2300_isp_ops;
4d4df193 1638 } else if (IS_QLA24XX_TYPE(ha)) {
fca29703
AV		 1639 host->max_id = MAX_TARGETS_2200;
1640 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1641 ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
1642 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1643 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
2c3dfe3f
SJ		 1644 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1645 ha->mgmt_svr_loop_id = 10 + ha->vp_idx;
fca29703 1646 ha->gid_list_info_size = 8;
854165f4 1647 ha->optrom_size = OPTROM_SIZE_24XX;
fd34f556 1648 ha->isp_ops = &qla24xx_isp_ops;
c3a2f0df
AV		 1649 } else if (IS_QLA25XX(ha)) {
1650 host->max_id = MAX_TARGETS_2200;
1651 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1652 ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
1653 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1654 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1655 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1656 ha->mgmt_svr_loop_id = 10 + ha->vp_idx;
1657 ha->gid_list_info_size = 8;
1658 ha->optrom_size = OPTROM_SIZE_25XX;
1659 ha->isp_ops = &qla25xx_isp_ops;
cb8dacbf
AV		 1660 ha->hw_event_start = PCI_FUNC(pdev->devfn) ?
1661 FA_HW_EVENT1_ADDR: FA_HW_EVENT0_ADDR;
1da177e4
LT		 1662 }
1663 host->can_queue = ha->request_q_length + 128;
1664
6c2f527c 1665 mutex_init(&ha->vport_lock);
0b05a1f0
MB		 1666 init_completion(&ha->mbx_cmd_comp);
1667 complete(&ha->mbx_cmd_comp);
1668 init_completion(&ha->mbx_intr_comp);
1da177e4
LT		 1669
1670 INIT_LIST_HEAD(&ha->list);
1671 INIT_LIST_HEAD(&ha->fcports);
2c3dfe3f 1672 INIT_LIST_HEAD(&ha->vp_list);
0971de7f 1673 INIT_LIST_HEAD(&ha->work_list);
2c3dfe3f
SJ		 1674
1675 set_bit(0, (unsigned long *) ha->vp_idx_map);
1da177e4 1676
1da177e4
LT		 1677 qla2x00_config_dma_addressing(ha);
1678 if (qla2x00_mem_alloc(ha)) {
1679 qla_printk(KERN_WARNING, ha,
1680 "[ERROR] Failed to allocate memory for adapter\n");
1681
a1541d5a
AV		 1682 ret = -ENOMEM;
1683 goto probe_failed;
1da177e4
LT		 1684 }
1685
765140bf 1686 if (qla2x00_initialize_adapter(ha)) {
1da177e4
LT		 1687 qla_printk(KERN_WARNING, ha,
1688 "Failed to initialize adapter\n");
1689
1690 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1691 "Adapter flags %x.\n",
1692 ha->host_no, ha->device_flags));
1693
a1541d5a 1694 ret = -ENODEV;
1da177e4
LT		 1695 goto probe_failed;
1696 }
1697
1698 /*
1699 * Startup the kernel thread for this host adapter
1700 */
39a11240
CH		 1701 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
1702 "%s_dpc", ha->host_str);
1703 if (IS_ERR(ha->dpc_thread)) {
1da177e4
LT		 1704 qla_printk(KERN_WARNING, ha,
1705 "Unable to start DPC thread!\n");
39a11240 1706 ret = PTR_ERR(ha->dpc_thread);
1da177e4
LT		 1707 goto probe_failed;
1708 }
1da177e4 1709
a1541d5a
AV		 1710 host->this_id = 255;
1711 host->cmd_per_lun = 3;
711c1d91 1712 host->unique_id = host->host_no;
a1541d5a 1713 host->max_cmd_len = MAX_CMDSZ;
75bc4190 1714 host->max_channel = MAX_BUSES - 1;
a1541d5a
AV		 1715 host->max_lun = MAX_LUNS;
1716 host->transportt = qla2xxx_transport_template;
1717
a8488abe
AV		 1718 ret = qla2x00_request_irqs(ha);
1719 if (ret)
1da177e4 1720 goto probe_failed;
1da177e4
LT		 1721
1722 /* Initialized the timer */
1723 qla2x00_start_timer(ha, qla2x00_timer, WATCH_INTERVAL);
1724
1725 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
1726 ha->host_no, ha));
1727
a1541d5a 1728 pci_set_drvdata(pdev, ha);
d19044c3 1729
1da177e4 1730 ha->flags.init_done = 1;
d19044c3
AV		 1731 ha->flags.online = 1;
1732
a1541d5a
AV		 1733 ret = scsi_add_host(host, &pdev->dev);
1734 if (ret)
1735 goto probe_failed;
1736
1e99e33a
AV		 1737 scsi_scan_host(host);
1738
a1541d5a
AV		 1739 qla2x00_alloc_sysfs_attr(ha);
1740
1741 qla2x00_init_host_attr(ha);
1742
df613b96
AV		 1743 qla2x00_dfs_setup(ha);
1744
1da177e4
LT		 1745 qla_printk(KERN_INFO, ha, "\n"
1746 " QLogic Fibre Channel HBA Driver: %s\n"
1747 " QLogic %s - %s\n"
5433383e
AV		 1748 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
1749 qla2x00_version_str, ha->model_number,
1750 ha->model_desc ? ha->model_desc: "", pdev->device,
fd34f556 1751 ha->isp_ops->pci_info_str(ha, pci_info), pci_name(pdev),
5433383e 1752 ha->flags.enable_64bit_addressing ? '+': '-', ha->host_no,
fd34f556 1753 ha->isp_ops->fw_version_str(ha, fw_str));
1da177e4 1754
1da177e4
LT		 1755 return 0;
1756
1757probe_failed:
1758 qla2x00_free_device(ha);
1759
1760 scsi_host_put(host);
1761
1762probe_disable_device:
1763 pci_disable_device(pdev);
1764
a1541d5a
AV		 1765probe_out:
1766 return ret;
1da177e4 1767}
1da177e4 1768
4c993f76 1769static void
7ee61397 1770qla2x00_remove_one(struct pci_dev *pdev)
1da177e4
LT		 1771{
1772 scsi_qla_host_t *ha;
1773
1774 ha = pci_get_drvdata(pdev);
1775
df613b96
AV		 1776 qla2x00_dfs_remove(ha);
1777
4d4df193
HK		 1778 qla84xx_put_chip(ha);
1779
8482e118 1780 qla2x00_free_sysfs_attr(ha);
1da177e4 1781
bdf79621
AV		 1782 fc_remove_host(ha->host);
1783
1da177e4
LT		 1784 scsi_remove_host(ha->host);
1785
1786 qla2x00_free_device(ha);
1787
1788 scsi_host_put(ha->host);
1789
665db93b 1790 pci_disable_device(pdev);
1da177e4
LT		 1791 pci_set_drvdata(pdev, NULL);
1792}
1da177e4
LT		 1793
1794static void
1795qla2x00_free_device(scsi_qla_host_t *ha)
1796{
df4bf0bb
AV		 1797 qla2x00_abort_all_cmds(ha, DID_NO_CONNECT << 16);
1798
1da177e4
LT		 1799 /* Disable timer */
1800 if (ha->timer_active)
1801 qla2x00_stop_timer(ha);
1802
df4bf0bb
AV		 1803 ha->flags.online = 0;
1804
1da177e4 1805 /* Kill the kernel thread for this host */
39a11240
CH		 1806 if (ha->dpc_thread) {
1807 struct task_struct *t = ha->dpc_thread;
1da177e4 1808
39a11240
CH		 1809 /*
1810 * qla2xxx_wake_dpc checks for ->dpc_thread
1811 * so we need to zero it out.
1812 */
1813 ha->dpc_thread = NULL;
1814 kthread_stop(t);
1da177e4
LT		 1815 }
1816
df613b96
AV		 1817 if (ha->flags.fce_enabled)
1818 qla2x00_disable_fce_trace(ha, NULL, NULL);
1819
a7a167bf 1820 if (ha->eft)
00b6bd25 1821 qla2x00_disable_eft_trace(ha);
a7a167bf 1822
f6ef3b18 1823 /* Stop currently executing firmware. */
18c6c127 1824 qla2x00_try_to_stop_firmware(ha);
1da177e4 1825
f6ef3b18
AV		 1826 /* turn-off interrupts on the card */
1827 if (ha->interrupts_on)
fd34f556 1828 ha->isp_ops->disable_intrs(ha);
f6ef3b18
AV		 1829
1830 qla2x00_mem_free(ha);
1da177e4 1831
a8488abe 1832 qla2x00_free_irqs(ha);
1da177e4
LT		 1833
1834 /* release io space registers */
1835 if (ha->iobase)
1836 iounmap(ha->iobase);
285d0321 1837 pci_release_selected_regions(ha->pdev, ha->bars);
1da177e4
LT		 1838}
1839
d97994dc
AV		 1840static inline void
1841qla2x00_schedule_rport_del(struct scsi_qla_host *ha, fc_port_t *fcport,
1842 int defer)
1843{
d97994dc
AV		 1844 struct fc_rport *rport;
1845
1846 if (!fcport->rport)
1847 return;
1848
1849 rport = fcport->rport;
1850 if (defer) {
5f3a9a20 1851 spin_lock_irq(ha->host->host_lock);
d97994dc 1852 fcport->drport = rport;
5f3a9a20 1853 spin_unlock_irq(ha->host->host_lock);
d97994dc 1854 set_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags);
5f3a9a20
SJ		 1855 qla2xxx_wake_dpc(ha);
1856 } else
d97994dc 1857 fc_remote_port_delete(rport);
d97994dc
AV		 1858}
1859
1da177e4
LT		 1860/*
1861 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
1862 *
1863 * Input: ha = adapter block pointer. fcport = port structure pointer.
1864 *
1865 * Return: None.
1866 *
1867 * Context:
1868 */
1869void qla2x00_mark_device_lost(scsi_qla_host_t *ha, fc_port_t *fcport,
d97994dc 1870 int do_login, int defer)
1da177e4 1871{
2c3dfe3f
SJ		 1872 if (atomic_read(&fcport->state) == FCS_ONLINE &&
1873 ha->vp_idx == fcport->vp_idx)
d97994dc 1874 qla2x00_schedule_rport_del(ha, fcport, defer);
19a7b4ae 1875
fa2a1ce5 1876 /*
1da177e4
LT		 1877 * We may need to retry the login, so don't change the state of the
1878 * port but do the retries.
1879 */
1880 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
1881 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1882
1883 if (!do_login)
1884 return;
1885
1886 if (fcport->login_retry == 0) {
1887 fcport->login_retry = ha->login_retry_count;
1888 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
1889
1890 DEBUG(printk("scsi(%ld): Port login retry: "
1891 "%02x%02x%02x%02x%02x%02x%02x%02x, "
1892 "id = 0x%04x retry cnt=%d\n",
1893 ha->host_no,
1894 fcport->port_name[0],
1895 fcport->port_name[1],
1896 fcport->port_name[2],
1897 fcport->port_name[3],
1898 fcport->port_name[4],
1899 fcport->port_name[5],
1900 fcport->port_name[6],
1901 fcport->port_name[7],
1902 fcport->loop_id,
1903 fcport->login_retry));
1904 }
1905}
1906
1907/*
1908 * qla2x00_mark_all_devices_lost
1909 * Updates fcport state when device goes offline.
1910 *
1911 * Input:
1912 * ha = adapter block pointer.
1913 * fcport = port structure pointer.
1914 *
1915 * Return:
1916 * None.
1917 *
1918 * Context:
1919 */
1920void
d97994dc 1921qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha, int defer)
1da177e4
LT		 1922{
1923 fc_port_t *fcport;
2c3dfe3f 1924 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4 1925
2c3dfe3f
SJ		 1926 list_for_each_entry(fcport, &pha->fcports, list) {
1927 if (ha->vp_idx != 0 && ha->vp_idx != fcport->vp_idx)
1da177e4 1928 continue;
1da177e4
LT		 1929 /*
1930 * No point in marking the device as lost, if the device is
1931 * already DEAD.
1932 */
1933 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
1934 continue;
2c3dfe3f
SJ		 1935 if (atomic_read(&fcport->state) == FCS_ONLINE) {
1936 if (defer)
1937 qla2x00_schedule_rport_del(ha, fcport, defer);
1938 else if (ha->vp_idx == fcport->vp_idx)
1939 qla2x00_schedule_rport_del(ha, fcport, defer);
1940 }
1da177e4
LT		 1941 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1942 }
d97994dc 1943
39a11240
CH		 1944 if (defer)
1945 qla2xxx_wake_dpc(ha);
1da177e4
LT		 1946}
1947
1948/*
1949* qla2x00_mem_alloc
1950* Allocates adapter memory.
1951*
1952* Returns:
1953* 0 = success.
e8711085 1954* !0 = failure.
1da177e4 1955*/
e8711085 1956static int
1da177e4
LT		 1957qla2x00_mem_alloc(scsi_qla_host_t *ha)
1958{
1959 char name[16];
1da177e4 1960
e8711085
AV		 1961 ha->request_ring = dma_alloc_coherent(&ha->pdev->dev,
1962 (ha->request_q_length + 1) * sizeof(request_t), &ha->request_dma,
1963 GFP_KERNEL);
1964 if (!ha->request_ring)
1965 goto fail;
1966
1967 ha->response_ring = dma_alloc_coherent(&ha->pdev->dev,
1968 (ha->response_q_length + 1) * sizeof(response_t),
1969 &ha->response_dma, GFP_KERNEL);
1970 if (!ha->response_ring)
1971 goto fail_free_request_ring;
1972
1973 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
1974 &ha->gid_list_dma, GFP_KERNEL);
1975 if (!ha->gid_list)
1976 goto fail_free_response_ring;
1977
1978 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
1979 &ha->init_cb_dma, GFP_KERNEL);
1980 if (!ha->init_cb)
1981 goto fail_free_gid_list;
1982
1983 snprintf(name, sizeof(name), "%s_%ld", QLA2XXX_DRIVER_NAME,
1984 ha->host_no);
1985 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
1986 DMA_POOL_SIZE, 8, 0);
1987 if (!ha->s_dma_pool)
1988 goto fail_free_init_cb;
1da177e4 1989
e8711085
AV		 1990 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
1991 if (!ha->srb_mempool)
1992 goto fail_free_s_dma_pool;
1993
1994 /* Get memory for cached NVRAM */
1995 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
1996 if (!ha->nvram)
1997 goto fail_free_srb_mempool;
1998
1999 /* Allocate memory for SNS commands */
2000 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2001 /* Get consistent memory allocated for SNS commands */
2002 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
2003 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
2004 if (!ha->sns_cmd)
2005 goto fail_free_nvram;
2006 } else {
2007 /* Get consistent memory allocated for MS IOCB */
2008 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2009 &ha->ms_iocb_dma);
2010 if (!ha->ms_iocb)
2011 goto fail_free_nvram;
2012
2013 /* Get consistent memory allocated for CT SNS commands */
2014 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
2015 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
2016 if (!ha->ct_sns)
2017 goto fail_free_ms_iocb;
1da177e4
LT		 2018 }
2019
e8711085
AV		 2020 return 0;
2021
2022fail_free_ms_iocb:
2023 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2024 ha->ms_iocb = NULL;
2025 ha->ms_iocb_dma = 0;
2026fail_free_nvram:
2027 kfree(ha->nvram);
2028 ha->nvram = NULL;
2029fail_free_srb_mempool:
2030 mempool_destroy(ha->srb_mempool);
2031 ha->srb_mempool = NULL;
2032fail_free_s_dma_pool:
2033 dma_pool_destroy(ha->s_dma_pool);
2034 ha->s_dma_pool = NULL;
2035fail_free_init_cb:
2036 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
2037 ha->init_cb_dma);
2038 ha->init_cb = NULL;
2039 ha->init_cb_dma = 0;
2040fail_free_gid_list:
2041 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2042 ha->gid_list_dma);
2043 ha->gid_list = NULL;
2044 ha->gid_list_dma = 0;
2045fail_free_response_ring:
2046 dma_free_coherent(&ha->pdev->dev, (ha->response_q_length + 1) *
2047 sizeof(response_t), ha->response_ring, ha->response_dma);
2048 ha->response_ring = NULL;
2049 ha->response_dma = 0;
2050fail_free_request_ring:
2051 dma_free_coherent(&ha->pdev->dev, (ha->request_q_length + 1) *
2052 sizeof(request_t), ha->request_ring, ha->request_dma);
2053 ha->request_ring = NULL;
2054 ha->request_dma = 0;
2055fail:
2056 return -ENOMEM;
1da177e4
LT		 2057}
2058
2059/*
2060* qla2x00_mem_free
2061* Frees all adapter allocated memory.
2062*
2063* Input:
2064* ha = adapter block pointer.
2065*/
a824ebb3 2066static void
1da177e4
LT		 2067qla2x00_mem_free(scsi_qla_host_t *ha)
2068{
1da177e4
LT		 2069 struct list_head *fcpl, *fcptemp;
2070 fc_port_t *fcport;
1da177e4 2071
e8711085
AV		 2072 if (ha->srb_mempool)
2073 mempool_destroy(ha->srb_mempool);
1da177e4 2074
df613b96
AV		 2075 if (ha->fce)
2076 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
2077 ha->fce_dma);
2078
a7a167bf
AV		 2079 if (ha->fw_dump) {
2080 if (ha->eft)
2081 dma_free_coherent(&ha->pdev->dev,
2082 ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
2083 vfree(ha->fw_dump);
2084 }
2085
1da177e4
LT		 2086 if (ha->sns_cmd)
2087 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2088 ha->sns_cmd, ha->sns_cmd_dma);
2089
2090 if (ha->ct_sns)
2091 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2092 ha->ct_sns, ha->ct_sns_dma);
2093
88729e53
AV		 2094 if (ha->sfp_data)
2095 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2096
1da177e4
LT		 2097 if (ha->ms_iocb)
2098 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2099
1da177e4
LT		 2100 if (ha->s_dma_pool)
2101 dma_pool_destroy(ha->s_dma_pool);
2102
2c3dfe3f
SJ		 2103 if (ha->init_cb)
2104 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2105 ha->init_cb, ha->init_cb_dma);
2106
1da177e4
LT		 2107 if (ha->gid_list)
2108 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2109 ha->gid_list_dma);
2110
2111 if (ha->response_ring)
2112 dma_free_coherent(&ha->pdev->dev,
2113 (ha->response_q_length + 1) * sizeof(response_t),
2114 ha->response_ring, ha->response_dma);
2115
2116 if (ha->request_ring)
2117 dma_free_coherent(&ha->pdev->dev,
2118 (ha->request_q_length + 1) * sizeof(request_t),
2119 ha->request_ring, ha->request_dma);
2120
e8711085 2121 ha->srb_mempool = NULL;
a7a167bf
AV		 2122 ha->eft = NULL;
2123 ha->eft_dma = 0;
1da177e4
LT		 2124 ha->sns_cmd = NULL;
2125 ha->sns_cmd_dma = 0;
2126 ha->ct_sns = NULL;
2127 ha->ct_sns_dma = 0;
2128 ha->ms_iocb = NULL;
2129 ha->ms_iocb_dma = 0;
1da177e4
LT		 2130 ha->init_cb = NULL;
2131 ha->init_cb_dma = 0;
2132
2133 ha->s_dma_pool = NULL;
2134
1da177e4
LT		 2135 ha->gid_list = NULL;
2136 ha->gid_list_dma = 0;
2137
2138 ha->response_ring = NULL;
2139 ha->response_dma = 0;
2140 ha->request_ring = NULL;
2141 ha->request_dma = 0;
2142
2143 list_for_each_safe(fcpl, fcptemp, &ha->fcports) {
2144 fcport = list_entry(fcpl, fc_port_t, list);
2145
1da177e4
LT		 2146 /* fc ports */
2147 list_del_init(&fcport->list);
2148 kfree(fcport);
2149 }
2150 INIT_LIST_HEAD(&ha->fcports);
2151
1da177e4 2152 ha->fw_dump = NULL;
fca29703 2153 ha->fw_dumped = 0;
1da177e4 2154 ha->fw_dump_reading = 0;
854165f4
AV		 2155
2156 vfree(ha->optrom_buffer);
53772a2c 2157 kfree(ha->nvram);
1da177e4
LT		 2158}
2159
01ef66bb 2160static struct qla_work_evt *
0971de7f
AV		 2161qla2x00_alloc_work(struct scsi_qla_host *ha, enum qla_work_type type,
2162 int locked)
2163{
2164 struct qla_work_evt *e;
2165
2166 e = kzalloc(sizeof(struct qla_work_evt), locked ? GFP_ATOMIC:
2167 GFP_KERNEL);
2168 if (!e)
2169 return NULL;
2170
2171 INIT_LIST_HEAD(&e->list);
2172 e->type = type;
2173 e->flags = QLA_EVT_FLAG_FREE;
2174 return e;
2175}
2176
01ef66bb 2177static int
0971de7f
AV		 2178qla2x00_post_work(struct scsi_qla_host *ha, struct qla_work_evt *e, int locked)
2179{
2180 unsigned long flags;
08b95a12 2181 scsi_qla_host_t *pha = to_qla_parent(ha);
0971de7f
AV		 2182
2183 if (!locked)
08b95a12 2184 spin_lock_irqsave(&pha->hardware_lock, flags);
0971de7f
AV		 2185 list_add_tail(&e->list, &ha->work_list);
2186 qla2xxx_wake_dpc(ha);
2187 if (!locked)
08b95a12 2188 spin_unlock_irqrestore(&pha->hardware_lock, flags);
0971de7f
AV		 2189 return QLA_SUCCESS;
2190}
2191
2192int
2193qla2x00_post_aen_work(struct scsi_qla_host *ha, enum fc_host_event_code code,
2194 u32 data)
2195{
2196 struct qla_work_evt *e;
2197
2198 e = qla2x00_alloc_work(ha, QLA_EVT_AEN, 1);
2199 if (!e)
2200 return QLA_FUNCTION_FAILED;
2201
2202 e->u.aen.code = code;
2203 e->u.aen.data = data;
2204 return qla2x00_post_work(ha, e, 1);
2205}
2206
cb8dacbf
AV		 2207int
2208qla2x00_post_hwe_work(struct scsi_qla_host *ha, uint16_t code, uint16_t d1,
2209 uint16_t d2, uint16_t d3)
2210{
2211 struct qla_work_evt *e;
2212
2213 e = qla2x00_alloc_work(ha, QLA_EVT_HWE_LOG, 1);
2214 if (!e)
2215 return QLA_FUNCTION_FAILED;
2216
2217 e->u.hwe.code = code;
2218 e->u.hwe.d1 = d1;
2219 e->u.hwe.d2 = d2;
2220 e->u.hwe.d3 = d3;
2221 return qla2x00_post_work(ha, e, 1);
2222}
2223
0971de7f
AV		 2224static void
2225qla2x00_do_work(struct scsi_qla_host *ha)
2226{
2227 struct qla_work_evt *e;
08b95a12 2228 scsi_qla_host_t *pha = to_qla_parent(ha);
0971de7f 2229
08b95a12 2230 spin_lock_irq(&pha->hardware_lock);
0971de7f
AV		 2231 while (!list_empty(&ha->work_list)) {
2232 e = list_entry(ha->work_list.next, struct qla_work_evt, list);
2233 list_del_init(&e->list);
08b95a12 2234 spin_unlock_irq(&pha->hardware_lock);
0971de7f
AV		 2235
2236 switch (e->type) {
2237 case QLA_EVT_AEN:
2238 fc_host_post_event(ha->host, fc_get_event_number(),
2239 e->u.aen.code, e->u.aen.data);
2240 break;
cb8dacbf
AV		 2241 case QLA_EVT_HWE_LOG:
2242 qla2xxx_hw_event_log(ha, e->u.hwe.code, e->u.hwe.d1,
2243 e->u.hwe.d2, e->u.hwe.d3);
2244 break;
0971de7f
AV		 2245 }
2246 if (e->flags & QLA_EVT_FLAG_FREE)
2247 kfree(e);
08b95a12 2248 spin_lock_irq(&pha->hardware_lock);
0971de7f 2249 }
08b95a12 2250 spin_unlock_irq(&pha->hardware_lock);
0971de7f
AV		 2251}
2252
1da177e4
LT		 2253/**************************************************************************
2254* qla2x00_do_dpc
2255* This kernel thread is a task that is schedule by the interrupt handler
2256* to perform the background processing for interrupts.
2257*
2258* Notes:
2259* This task always run in the context of a kernel thread. It
2260* is kick-off by the driver's detect code and starts up
2261* up one per adapter. It immediately goes to sleep and waits for
2262* some fibre event. When either the interrupt handler or
2263* the timer routine detects a event it will one of the task
2264* bits then wake us up.
2265**************************************************************************/
2266static int
2267qla2x00_do_dpc(void *data)
2268{
2c3dfe3f 2269 int rval;
1da177e4
LT		 2270 scsi_qla_host_t *ha;
2271 fc_port_t *fcport;
1da177e4 2272 uint8_t status;
1da177e4 2273 uint16_t next_loopid;
99363ef8
SJ		 2274 struct scsi_qla_host *vha;
2275 int i;
2276
1da177e4
LT		 2277
2278 ha = (scsi_qla_host_t *)data;
2279
1da177e4
LT		 2280 set_user_nice(current, -20);
2281
39a11240 2282 while (!kthread_should_stop()) {
1da177e4
LT		 2283 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2284
39a11240
CH		 2285 set_current_state(TASK_INTERRUPTIBLE);
2286 schedule();
2287 __set_current_state(TASK_RUNNING);
1da177e4
LT		 2288
2289 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2290
2291 /* Initialization not yet finished. Don't do anything yet. */
39a11240 2292 if (!ha->flags.init_done)
1da177e4
LT		 2293 continue;
2294
2295 DEBUG3(printk("scsi(%ld): DPC handler\n", ha->host_no));
2296
2297 ha->dpc_active = 1;
2298
1da177e4 2299 if (ha->flags.mbox_busy) {
1da177e4
LT		 2300 ha->dpc_active = 0;
2301 continue;
2302 }
2303
0971de7f
AV		 2304 qla2x00_do_work(ha);
2305
1da177e4
LT		 2306 if (test_and_clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
2307
2308 DEBUG(printk("scsi(%ld): dpc: sched "
2309 "qla2x00_abort_isp ha = %p\n",
2310 ha->host_no, ha));
2311 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
2312 &ha->dpc_flags))) {
2313
2314 if (qla2x00_abort_isp(ha)) {
2315 /* failed. retry later */
2316 set_bit(ISP_ABORT_NEEDED,
2317 &ha->dpc_flags);
2318 }
2319 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2320 }
99363ef8
SJ		 2321
2322 for_each_mapped_vp_idx(ha, i) {
2323 list_for_each_entry(vha, &ha->vp_list,
2324 vp_list) {
2325 if (i == vha->vp_idx) {
2326 set_bit(ISP_ABORT_NEEDED,
2327 &vha->dpc_flags);
2328 break;
2329 }
2330 }
2331 }
2332
1da177e4
LT		 2333 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
2334 ha->host_no));
2335 }
2336
d97994dc
AV		 2337 if (test_and_clear_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags))
2338 qla2x00_update_fcports(ha);
2339
1da177e4
LT		 2340 if (test_and_clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) &&
2341 (!(test_and_set_bit(RESET_ACTIVE, &ha->dpc_flags)))) {
2342
2343 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
2344 ha->host_no));
2345
2346 qla2x00_rst_aen(ha);
2347 clear_bit(RESET_ACTIVE, &ha->dpc_flags);
2348 }
2349
2350 /* Retry each device up to login retry count */
2351 if ((test_and_clear_bit(RELOGIN_NEEDED, &ha->dpc_flags)) &&
2352 !test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) &&
2353 atomic_read(&ha->loop_state) != LOOP_DOWN) {
2354
2355 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
2356 ha->host_no));
2357
2358 next_loopid = 0;
2359 list_for_each_entry(fcport, &ha->fcports, list) {
1da177e4
LT		 2360 /*
2361 * If the port is not ONLINE then try to login
2362 * to it if we haven't run out of retries.
2363 */
2364 if (atomic_read(&fcport->state) != FCS_ONLINE &&
2365 fcport->login_retry) {
2366
1da177e4
LT		 2367 if (fcport->flags & FCF_FABRIC_DEVICE) {
2368 if (fcport->flags &
2369 FCF_TAPE_PRESENT)
fd34f556 2370 ha->isp_ops->fabric_logout(
1c7c6357
AV		 2371 ha, fcport->loop_id,
2372 fcport->d_id.b.domain,
2373 fcport->d_id.b.area,
2374 fcport->d_id.b.al_pa);
1da177e4
LT		 2375 status = qla2x00_fabric_login(
2376 ha, fcport, &next_loopid);
2377 } else
2378 status =
2379 qla2x00_local_device_login(
9a52a57c 2380 ha, fcport);
1da177e4 2381
63a8651f 2382 fcport->login_retry--;
1da177e4
LT		 2383 if (status == QLA_SUCCESS) {
2384 fcport->old_loop_id = fcport->loop_id;
2385
2386 DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n",
2387 ha->host_no, fcport->loop_id));
fa2a1ce5 2388
052c40c8
AV		 2389 qla2x00_update_fcport(ha,
2390 fcport);
1da177e4
LT		 2391 } else if (status == 1) {
2392 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
2393 /* retry the login again */
2394 DEBUG(printk("scsi(%ld): Retrying %d login again loop_id 0x%x\n",
2395 ha->host_no,
2396 fcport->login_retry, fcport->loop_id));
2397 } else {
2398 fcport->login_retry = 0;
2399 }
666301e6 2400 if (fcport->login_retry == 0 && status != QLA_SUCCESS)
63a8651f 2401 fcport->loop_id = FC_NO_LOOP_ID;
1da177e4
LT		 2402 }
2403 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2404 break;
2405 }
2406 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
2407 ha->host_no));
2408 }
2409
1da177e4
LT		 2410 if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
2411
2412 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
2413 ha->host_no));
2414
2415 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
2416 &ha->dpc_flags))) {
2417
2c3dfe3f 2418 rval = qla2x00_loop_resync(ha);
1da177e4
LT		 2419
2420 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
2421 }
2422
2423 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
2424 ha->host_no));
2425 }
2426
1da177e4 2427 if (!ha->interrupts_on)
fd34f556 2428 ha->isp_ops->enable_intrs(ha);
1da177e4 2429
f6df144c 2430 if (test_and_clear_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags))
fd34f556 2431 ha->isp_ops->beacon_blink(ha);
f6df144c 2432
2c3dfe3f
SJ		 2433 qla2x00_do_dpc_all_vps(ha);
2434
1da177e4
LT		 2435 ha->dpc_active = 0;
2436 } /* End of while(1) */
2437
2438 DEBUG(printk("scsi(%ld): DPC handler exiting\n", ha->host_no));
2439
2440 /*
2441 * Make sure that nobody tries to wake us up again.
2442 */
1da177e4
LT		 2443 ha->dpc_active = 0;
2444
39a11240
CH		 2445 return 0;
2446}
2447
2448void
2449qla2xxx_wake_dpc(scsi_qla_host_t *ha)
2450{
2451 if (ha->dpc_thread)
2452 wake_up_process(ha->dpc_thread);
1da177e4
LT		 2453}
2454
1da177e4
LT		 2455/*
2456* qla2x00_rst_aen
2457* Processes asynchronous reset.
2458*
2459* Input:
2460* ha = adapter block pointer.
2461*/
2462static void
fa2a1ce5 2463qla2x00_rst_aen(scsi_qla_host_t *ha)
1da177e4
LT		 2464{
2465 if (ha->flags.online && !ha->flags.reset_active &&
2466 !atomic_read(&ha->loop_down_timer) &&
2467 !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) {
2468 do {
2469 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
2470
2471 /*
2472 * Issue marker command only when we are going to start
2473 * the I/O.
2474 */
2475 ha->marker_needed = 1;
2476 } while (!atomic_read(&ha->loop_down_timer) &&
2477 (test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags)));
2478 }
2479}
2480
f4f051eb
AV		 2481static void
2482qla2x00_sp_free_dma(scsi_qla_host_t *ha, srb_t *sp)
2483{
2484 struct scsi_cmnd *cmd = sp->cmd;
2485
2486 if (sp->flags & SRB_DMA_VALID) {
385d70b4 2487 scsi_dma_unmap(cmd);
f4f051eb
AV		 2488 sp->flags &= ~SRB_DMA_VALID;
2489 }
fca29703 2490 CMD_SP(cmd) = NULL;
f4f051eb
AV		 2491}
2492
2493void
2494qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *sp)
2495{
2496 struct scsi_cmnd *cmd = sp->cmd;
2497
2498 qla2x00_sp_free_dma(ha, sp);
2499
f4f051eb
AV		 2500 mempool_free(sp, ha->srb_mempool);
2501
2502 cmd->scsi_done(cmd);
2503}
bdf79621 2504
1da177e4
LT		 2505/**************************************************************************
2506* qla2x00_timer
2507*
2508* Description:
2509* One second timer
2510*
2511* Context: Interrupt
2512***************************************************************************/
2c3dfe3f 2513void
1da177e4
LT		 2514qla2x00_timer(scsi_qla_host_t *ha)
2515{
1da177e4
LT		 2516 unsigned long cpu_flags = 0;
2517 fc_port_t *fcport;
1da177e4
LT		 2518 int start_dpc = 0;
2519 int index;
2520 srb_t *sp;
f4f051eb 2521 int t;
2c3dfe3f 2522 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4
LT		 2523
2524 /*
2525 * Ports - Port down timer.
2526 *
2527 * Whenever, a port is in the LOST state we start decrementing its port
2528 * down timer every second until it reaches zero. Once it reaches zero
fa2a1ce5 2529 * the port it marked DEAD.
1da177e4
LT		 2530 */
2531 t = 0;
2532 list_for_each_entry(fcport, &ha->fcports, list) {
2533 if (fcport->port_type != FCT_TARGET)
2534 continue;
2535
2536 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2537
2538 if (atomic_read(&fcport->port_down_timer) == 0)
2539 continue;
2540
fa2a1ce5 2541 if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
1da177e4 2542 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
fa2a1ce5 2543
1da177e4 2544 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
fca29703 2545 "%d remaining\n",
1da177e4
LT		 2546 ha->host_no,
2547 t, atomic_read(&fcport->port_down_timer)));
2548 }
2549 t++;
2550 } /* End of for fcport */
2551
1da177e4
LT		 2552
2553 /* Loop down handler. */
2554 if (atomic_read(&ha->loop_down_timer) > 0 &&
2555 !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) && ha->flags.online) {
2556
2557 if (atomic_read(&ha->loop_down_timer) ==
2558 ha->loop_down_abort_time) {
2559
2560 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2561 "queues before time expire\n",
2562 ha->host_no));
2563
2564 if (!IS_QLA2100(ha) && ha->link_down_timeout)
fa2a1ce5 2565 atomic_set(&ha->loop_state, LOOP_DEAD);
1da177e4
LT		 2566
2567 /* Schedule an ISP abort to return any tape commands. */
2c3dfe3f
SJ		 2568 /* NPIV - scan physical port only */
2569 if (!ha->parent) {
2570 spin_lock_irqsave(&ha->hardware_lock,
2571 cpu_flags);
2572 for (index = 1;
2573 index < MAX_OUTSTANDING_COMMANDS;
2574 index++) {
2575 fc_port_t *sfcp;
2576
2577 sp = ha->outstanding_cmds[index];
2578 if (!sp)
2579 continue;
2580 sfcp = sp->fcport;
2581 if (!(sfcp->flags & FCF_TAPE_PRESENT))
2582 continue;
bdf79621 2583
2c3dfe3f
SJ		 2584 set_bit(ISP_ABORT_NEEDED,
2585 &ha->dpc_flags);
2586 break;
2587 }
2588 spin_unlock_irqrestore(&ha->hardware_lock,
2589 cpu_flags);
1da177e4 2590 }
1da177e4
LT		 2591 set_bit(ABORT_QUEUES_NEEDED, &ha->dpc_flags);
2592 start_dpc++;
2593 }
2594
2595 /* if the loop has been down for 4 minutes, reinit adapter */
2596 if (atomic_dec_and_test(&ha->loop_down_timer) != 0) {
2597 DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - "
2598 "restarting queues.\n",
2599 ha->host_no));
2600
2601 set_bit(RESTART_QUEUES_NEEDED, &ha->dpc_flags);
2602 start_dpc++;
2603
463717ed
SJ		 2604 if (!(ha->device_flags & DFLG_NO_CABLE) &&
2605 !ha->parent) {
1da177e4
LT		 2606 DEBUG(printk("scsi(%ld): Loop down - "
2607 "aborting ISP.\n",
2608 ha->host_no));
2609 qla_printk(KERN_WARNING, ha,
2610 "Loop down - aborting ISP.\n");
2611
2612 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
2613 }
2614 }
fca29703 2615 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
1da177e4
LT		 2616 ha->host_no,
2617 atomic_read(&ha->loop_down_timer)));
2618 }
2619
f6df144c
AV		 2620 /* Check if beacon LED needs to be blinked */
2621 if (ha->beacon_blink_led == 1) {
2622 set_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags);
2623 start_dpc++;
2624 }
2625
550bf57d
AV		 2626 /* Process any deferred work. */
2627 if (!list_empty(&ha->work_list))
2628 start_dpc++;
2629
1da177e4
LT		 2630 /* Schedule the DPC routine if needed */
2631 if ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) ||
2632 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) ||
d97994dc 2633 test_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags) ||
1da177e4 2634 start_dpc ||
f4f051eb 2635 test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) ||
f6df144c 2636 test_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags) ||
2c3dfe3f 2637 test_bit(VP_DPC_NEEDED, &ha->dpc_flags) ||
39a11240 2638 test_bit(RELOGIN_NEEDED, &ha->dpc_flags)))
2c3dfe3f 2639 qla2xxx_wake_dpc(pha);
1da177e4
LT		 2640
2641 qla2x00_restart_timer(ha, WATCH_INTERVAL);
2642}
2643
5433383e
AV		 2644/* Firmware interface routines. */
2645
c3a2f0df 2646#define FW_BLOBS 6
5433383e
AV		 2647#define FW_ISP21XX 0
2648#define FW_ISP22XX 1
2649#define FW_ISP2300 2
2650#define FW_ISP2322 3
48c02fde 2651#define FW_ISP24XX 4
c3a2f0df 2652#define FW_ISP25XX 5
5433383e 2653
bb8ee499
AV		 2654#define FW_FILE_ISP21XX "ql2100_fw.bin"
2655#define FW_FILE_ISP22XX "ql2200_fw.bin"
2656#define FW_FILE_ISP2300 "ql2300_fw.bin"
2657#define FW_FILE_ISP2322 "ql2322_fw.bin"
2658#define FW_FILE_ISP24XX "ql2400_fw.bin"
c3a2f0df 2659#define FW_FILE_ISP25XX "ql2500_fw.bin"
bb8ee499 2660
e1e82b6f 2661static DEFINE_MUTEX(qla_fw_lock);
5433383e
AV		 2662
2663static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
bb8ee499
AV		 2664 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
2665 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
2666 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
2667 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
2668 { .name = FW_FILE_ISP24XX, },
c3a2f0df 2669 { .name = FW_FILE_ISP25XX, },
5433383e
AV		 2670};
2671
2672struct fw_blob *
2673qla2x00_request_firmware(scsi_qla_host_t *ha)
2674{
2675 struct fw_blob *blob;
2676
2677 blob = NULL;
2678 if (IS_QLA2100(ha)) {
2679 blob = &qla_fw_blobs[FW_ISP21XX];
2680 } else if (IS_QLA2200(ha)) {
2681 blob = &qla_fw_blobs[FW_ISP22XX];
48c02fde 2682 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
5433383e 2683 blob = &qla_fw_blobs[FW_ISP2300];
48c02fde 2684 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
5433383e 2685 blob = &qla_fw_blobs[FW_ISP2322];
4d4df193 2686 } else if (IS_QLA24XX_TYPE(ha)) {
5433383e 2687 blob = &qla_fw_blobs[FW_ISP24XX];
c3a2f0df
AV		 2688 } else if (IS_QLA25XX(ha)) {
2689 blob = &qla_fw_blobs[FW_ISP25XX];
5433383e
AV		 2690 }
2691
e1e82b6f 2692 mutex_lock(&qla_fw_lock);
5433383e
AV		 2693 if (blob->fw)
2694 goto out;
2695
2696 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
2697 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
2698 "(%s).\n", ha->host_no, blob->name));
2699 blob->fw = NULL;
2700 blob = NULL;
2701 goto out;
2702 }
2703
2704out:
e1e82b6f 2705 mutex_unlock(&qla_fw_lock);
5433383e
AV		 2706 return blob;
2707}
2708
2709static void
2710qla2x00_release_firmware(void)
2711{
2712 int idx;
2713
e1e82b6f 2714 mutex_lock(&qla_fw_lock);
5433383e
AV		 2715 for (idx = 0; idx < FW_BLOBS; idx++)
2716 if (qla_fw_blobs[idx].fw)
2717 release_firmware(qla_fw_blobs[idx].fw);
e1e82b6f 2718 mutex_unlock(&qla_fw_lock);
5433383e
AV		 2719}
2720
14e660e6
SJ		 2721static pci_ers_result_t
2722qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
2723{
2724 switch (state) {
2725 case pci_channel_io_normal:
2726 return PCI_ERS_RESULT_CAN_RECOVER;
2727 case pci_channel_io_frozen:
2728 pci_disable_device(pdev);
2729 return PCI_ERS_RESULT_NEED_RESET;
2730 case pci_channel_io_perm_failure:
2731 qla2x00_remove_one(pdev);
2732 return PCI_ERS_RESULT_DISCONNECT;
2733 }
2734 return PCI_ERS_RESULT_NEED_RESET;
2735}
2736
2737static pci_ers_result_t
2738qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
2739{
2740 int risc_paused = 0;
2741 uint32_t stat;
2742 unsigned long flags;
2743 scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2744 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2745 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
2746
2747 spin_lock_irqsave(&ha->hardware_lock, flags);
2748 if (IS_QLA2100(ha) || IS_QLA2200(ha)){
2749 stat = RD_REG_DWORD(&reg->hccr);
2750 if (stat & HCCR_RISC_PAUSE)
2751 risc_paused = 1;
2752 } else if (IS_QLA23XX(ha)) {
2753 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
2754 if (stat & HSR_RISC_PAUSED)
2755 risc_paused = 1;
2756 } else if (IS_FWI2_CAPABLE(ha)) {
2757 stat = RD_REG_DWORD(&reg24->host_status);
2758 if (stat & HSRX_RISC_PAUSED)
2759 risc_paused = 1;
2760 }
2761 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2762
2763 if (risc_paused) {
2764 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
2765 "Dumping firmware!\n");
2766 ha->isp_ops->fw_dump(ha, 0);
2767
2768 return PCI_ERS_RESULT_NEED_RESET;
2769 } else
2770 return PCI_ERS_RESULT_RECOVERED;
2771}
2772
2773static pci_ers_result_t
2774qla2xxx_pci_slot_reset(struct pci_dev *pdev)
2775{
2776 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
2777 scsi_qla_host_t *ha = pci_get_drvdata(pdev);
09483916
BH		 2778 int rc;
2779
2780 if (ha->mem_only)
2781 rc = pci_enable_device_mem(pdev);
2782 else
2783 rc = pci_enable_device(pdev);
14e660e6 2784
09483916 2785 if (rc) {
14e660e6
SJ		 2786 qla_printk(KERN_WARNING, ha,
2787 "Can't re-enable PCI device after reset.\n");
2788
2789 return ret;
2790 }
2791 pci_set_master(pdev);
2792
2793 if (ha->isp_ops->pci_config(ha))
2794 return ret;
2795
2796 set_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2797 if (qla2x00_abort_isp(ha)== QLA_SUCCESS)
2798 ret = PCI_ERS_RESULT_RECOVERED;
2799 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2800
2801 return ret;
2802}
2803
2804static void
2805qla2xxx_pci_resume(struct pci_dev *pdev)
2806{
2807 scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2808 int ret;
2809
2810 ret = qla2x00_wait_for_hba_online(ha);
2811 if (ret != QLA_SUCCESS) {
2812 qla_printk(KERN_ERR, ha,
2813 "the device failed to resume I/O "
2814 "from slot/link_reset");
2815 }
2816 pci_cleanup_aer_uncorrect_error_status(pdev);
2817}
2818
2819static struct pci_error_handlers qla2xxx_err_handler = {
2820 .error_detected = qla2xxx_pci_error_detected,
2821 .mmio_enabled = qla2xxx_pci_mmio_enabled,
2822 .slot_reset = qla2xxx_pci_slot_reset,
2823 .resume = qla2xxx_pci_resume,
2824};
2825
5433383e 2826static struct pci_device_id qla2xxx_pci_tbl[] = {
47f5e069
AV		 2827 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
2828 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
2829 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
2830 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
2831 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
2832 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
2833 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
2834 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
2835 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
4d4df193 2836 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
47f5e069
AV		 2837 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
2838 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
c3a2f0df 2839 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
5433383e
AV		 2840 { 0 },
2841};
2842MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
2843
fca29703 2844static struct pci_driver qla2xxx_pci_driver = {
cb63067a 2845 .name = QLA2XXX_DRIVER_NAME,
0a21ef1e
JB		 2846 .driver = {
2847 .owner = THIS_MODULE,
2848 },
fca29703 2849 .id_table = qla2xxx_pci_tbl,
7ee61397 2850 .probe = qla2x00_probe_one,
4c993f76 2851 .remove = qla2x00_remove_one,
14e660e6 2852 .err_handler = &qla2xxx_err_handler,
fca29703
AV		 2853};
2854
1da177e4
LT		 2855/**
2856 * qla2x00_module_init - Module initialization.
2857 **/
2858static int __init
2859qla2x00_module_init(void)
2860{
fca29703
AV		 2861 int ret = 0;
2862
1da177e4 2863 /* Allocate cache for SRBs. */
354d6b21 2864 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
20c2df83 2865 SLAB_HWCACHE_ALIGN, NULL);
1da177e4
LT		 2866 if (srb_cachep == NULL) {
2867 printk(KERN_ERR
2868 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
2869 return -ENOMEM;
2870 }
2871
2872 /* Derive version string. */
2873 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
11010fec 2874 if (ql2xextended_error_logging)
0181944f
AV		 2875 strcat(qla2x00_version_str, "-debug");
2876
1c97a12a
AV		 2877 qla2xxx_transport_template =
2878 fc_attach_transport(&qla2xxx_transport_functions);
2c3dfe3f
SJ		 2879 if (!qla2xxx_transport_template) {
2880 kmem_cache_destroy(srb_cachep);
1da177e4 2881 return -ENODEV;
2c3dfe3f
SJ		 2882 }
2883 qla2xxx_transport_vport_template =
2884 fc_attach_transport(&qla2xxx_transport_vport_functions);
2885 if (!qla2xxx_transport_vport_template) {
2886 kmem_cache_destroy(srb_cachep);
2887 fc_release_transport(qla2xxx_transport_template);
1da177e4 2888 return -ENODEV;
2c3dfe3f 2889 }
1da177e4 2890
fd9a29f0
AV		 2891 printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n",
2892 qla2x00_version_str);
7ee61397 2893 ret = pci_register_driver(&qla2xxx_pci_driver);
fca29703
AV		 2894 if (ret) {
2895 kmem_cache_destroy(srb_cachep);
2896 fc_release_transport(qla2xxx_transport_template);
2c3dfe3f 2897 fc_release_transport(qla2xxx_transport_vport_template);
fca29703
AV		 2898 }
2899 return ret;
1da177e4
LT		 2900}
2901
2902/**
2903 * qla2x00_module_exit - Module cleanup.
2904 **/
2905static void __exit
2906qla2x00_module_exit(void)
2907{
7ee61397 2908 pci_unregister_driver(&qla2xxx_pci_driver);
5433383e 2909 qla2x00_release_firmware();
354d6b21 2910 kmem_cache_destroy(srb_cachep);
1da177e4 2911 fc_release_transport(qla2xxx_transport_template);
2c3dfe3f 2912 fc_release_transport(qla2xxx_transport_vport_template);
1da177e4
LT		 2913}
2914
2915module_init(qla2x00_module_init);
2916module_exit(qla2x00_module_exit);
2917
2918MODULE_AUTHOR("QLogic Corporation");
2919MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
2920MODULE_LICENSE("GPL");
2921MODULE_VERSION(QLA2XXX_VERSION);
bb8ee499
AV		 2922MODULE_FIRMWARE(FW_FILE_ISP21XX);
2923MODULE_FIRMWARE(FW_FILE_ISP22XX);
2924MODULE_FIRMWARE(FW_FILE_ISP2300);
2925MODULE_FIRMWARE(FW_FILE_ISP2322);
2926MODULE_FIRMWARE(FW_FILE_ISP24XX);
61623fc3 2927MODULE_FIRMWARE(FW_FILE_ISP25XX);
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