]> bbs.cooldavid.org Git - net-next-2.6.git/blame - drivers/scsi/qla2xxx/qla_os.c
git://bbs.cooldavid.org / net-next-2.6.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
[SCSI] aic7xxx: Adjust .max_sectors
[net-next-2.6.git] / drivers / scsi / qla2xxx / qla_os.c
CommitLineData
1da177e4 1/*
fa90c54f
AV		 2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2005 QLogic Corporation
1da177e4 4 *
fa90c54f 5 * See LICENSE.qla2xxx for copyright and licensing details.
1da177e4
LT		 6 */
7#include "qla_def.h"
8
9#include <linux/moduleparam.h>
10#include <linux/vmalloc.h>
1da177e4 11#include <linux/delay.h>
39a11240 12#include <linux/kthread.h>
1da177e4
LT		 13
14#include <scsi/scsi_tcq.h>
15#include <scsi/scsicam.h>
16#include <scsi/scsi_transport.h>
17#include <scsi/scsi_transport_fc.h>
18
19/*
20 * Driver version
21 */
22char qla2x00_version_str[40];
23
24/*
25 * SRB allocation cache
26 */
354d6b21 27static kmem_cache_t *srb_cachep;
1da177e4
LT		 28
29/*
30 * Ioctl related information.
31 */
354d6b21 32static int num_hosts;
1da177e4
LT		 33
34int ql2xlogintimeout = 20;
35module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR);
36MODULE_PARM_DESC(ql2xlogintimeout,
37 "Login timeout value in seconds.");
38
8482e118 39int qlport_down_retry = 30;
1da177e4
LT		 40module_param(qlport_down_retry, int, S_IRUGO|S_IRUSR);
41MODULE_PARM_DESC(qlport_down_retry,
900d9f98 42 "Maximum number of command retries to a port that returns "
1da177e4
LT		 43 "a PORT-DOWN status.");
44
1da177e4
LT		 45int ql2xplogiabsentdevice;
46module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
47MODULE_PARM_DESC(ql2xplogiabsentdevice,
48 "Option to enable PLOGI to devices that are not present after "
900d9f98 49 "a Fabric scan. This is needed for several broken switches. "
1da177e4
LT		 50 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
51
1da177e4
LT		 52int ql2xloginretrycount = 0;
53module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR);
54MODULE_PARM_DESC(ql2xloginretrycount,
55 "Specify an alternate value for the NVRAM login retry count.");
56
a7a167bf
AV		 57int ql2xallocfwdump = 1;
58module_param(ql2xallocfwdump, int, S_IRUGO|S_IRUSR);
59MODULE_PARM_DESC(ql2xallocfwdump,
60 "Option to enable allocation of memory for a firmware dump "
61 "during HBA initialization. Memory allocation requirements "
62 "vary by ISP type. Default is 1 - allocate memory.");
63
d7a297ba
FD		 64int qla2_extended_error_logging;
65module_param(qla2_extended_error_logging, int, S_IRUGO|S_IRUSR);
66MODULE_PARM_DESC(qla2_extended_error_logging,
0181944f
AV		 67 "Option to enable extended error logging, "
68 "Default is 0 - no logging. 1 - log errors.");
69
1da177e4
LT		 70static void qla2x00_free_device(scsi_qla_host_t *);
71
72static void qla2x00_config_dma_addressing(scsi_qla_host_t *ha);
73
cca5335c
AV		 74int ql2xfdmienable;
75module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR);
76MODULE_PARM_DESC(ql2xfdmienable,
77 "Enables FDMI registratons "
78 "Default is 0 - no FDMI. 1 - perfom FDMI.");
79
1da177e4 80/*
fa2a1ce5 81 * SCSI host template entry points
1da177e4
LT		 82 */
83static int qla2xxx_slave_configure(struct scsi_device * device);
f4f051eb
AV		 84static int qla2xxx_slave_alloc(struct scsi_device *);
85static void qla2xxx_slave_destroy(struct scsi_device *);
1da177e4
LT		 86static int qla2x00_queuecommand(struct scsi_cmnd *cmd,
87 void (*fn)(struct scsi_cmnd *));
fca29703
AV		 88static int qla24xx_queuecommand(struct scsi_cmnd *cmd,
89 void (*fn)(struct scsi_cmnd *));
1da177e4
LT		 90static int qla2xxx_eh_abort(struct scsi_cmnd *);
91static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
92static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
93static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
94static int qla2x00_loop_reset(scsi_qla_host_t *ha);
95static int qla2x00_device_reset(scsi_qla_host_t *, fc_port_t *);
96
ce7e4af7
AV		 97static int qla2x00_change_queue_depth(struct scsi_device *, int);
98static int qla2x00_change_queue_type(struct scsi_device *, int);
99
1da177e4
LT		 100static struct scsi_host_template qla2x00_driver_template = {
101 .module = THIS_MODULE,
cb63067a 102 .name = QLA2XXX_DRIVER_NAME,
1da177e4
LT		 103 .queuecommand = qla2x00_queuecommand,
104
105 .eh_abort_handler = qla2xxx_eh_abort,
106 .eh_device_reset_handler = qla2xxx_eh_device_reset,
107 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
108 .eh_host_reset_handler = qla2xxx_eh_host_reset,
109
110 .slave_configure = qla2xxx_slave_configure,
111
f4f051eb
AV		 112 .slave_alloc = qla2xxx_slave_alloc,
113 .slave_destroy = qla2xxx_slave_destroy,
ce7e4af7
AV		 114 .change_queue_depth = qla2x00_change_queue_depth,
115 .change_queue_type = qla2x00_change_queue_type,
1da177e4
LT		 116 .this_id = -1,
117 .cmd_per_lun = 3,
118 .use_clustering = ENABLE_CLUSTERING,
119 .sg_tablesize = SG_ALL,
120
121 /*
122 * The RISC allows for each command to transfer (2^32-1) bytes of data,
123 * which equates to 0x800000 sectors.
124 */
125 .max_sectors = 0xFFFF,
afb046e2 126 .shost_attrs = qla2x00_host_attrs,
1da177e4
LT		 127};
128
fca29703
AV		 129static struct scsi_host_template qla24xx_driver_template = {
130 .module = THIS_MODULE,
cb63067a 131 .name = QLA2XXX_DRIVER_NAME,
fca29703
AV		 132 .queuecommand = qla24xx_queuecommand,
133
134 .eh_abort_handler = qla2xxx_eh_abort,
135 .eh_device_reset_handler = qla2xxx_eh_device_reset,
136 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
137 .eh_host_reset_handler = qla2xxx_eh_host_reset,
138
139 .slave_configure = qla2xxx_slave_configure,
140
141 .slave_alloc = qla2xxx_slave_alloc,
142 .slave_destroy = qla2xxx_slave_destroy,
ce7e4af7
AV		 143 .change_queue_depth = qla2x00_change_queue_depth,
144 .change_queue_type = qla2x00_change_queue_type,
fca29703
AV		 145 .this_id = -1,
146 .cmd_per_lun = 3,
147 .use_clustering = ENABLE_CLUSTERING,
148 .sg_tablesize = SG_ALL,
149
150 .max_sectors = 0xFFFF,
afb046e2 151 .shost_attrs = qla2x00_host_attrs,
fca29703
AV		 152};
153
1da177e4
LT		 154static struct scsi_transport_template *qla2xxx_transport_template = NULL;
155
1da177e4
LT		 156/* TODO Convert to inlines
157 *
158 * Timer routines
159 */
160#define WATCH_INTERVAL 1 /* number of seconds */
161
162static void qla2x00_timer(scsi_qla_host_t *);
163
164static __inline__ void qla2x00_start_timer(scsi_qla_host_t *,
165 void *, unsigned long);
166static __inline__ void qla2x00_restart_timer(scsi_qla_host_t *, unsigned long);
167static __inline__ void qla2x00_stop_timer(scsi_qla_host_t *);
168
169static inline void
170qla2x00_start_timer(scsi_qla_host_t *ha, void *func, unsigned long interval)
171{
172 init_timer(&ha->timer);
173 ha->timer.expires = jiffies + interval * HZ;
174 ha->timer.data = (unsigned long)ha;
175 ha->timer.function = (void (*)(unsigned long))func;
176 add_timer(&ha->timer);
177 ha->timer_active = 1;
178}
179
180static inline void
181qla2x00_restart_timer(scsi_qla_host_t *ha, unsigned long interval)
182{
183 mod_timer(&ha->timer, jiffies + interval * HZ);
184}
185
186static __inline__ void
187qla2x00_stop_timer(scsi_qla_host_t *ha)
188{
189 del_timer_sync(&ha->timer);
190 ha->timer_active = 0;
191}
192
1da177e4
LT		 193static int qla2x00_do_dpc(void *data);
194
195static void qla2x00_rst_aen(scsi_qla_host_t *);
196
197static uint8_t qla2x00_mem_alloc(scsi_qla_host_t *);
198static void qla2x00_mem_free(scsi_qla_host_t *ha);
199static int qla2x00_allocate_sp_pool( scsi_qla_host_t *ha);
200static void qla2x00_free_sp_pool(scsi_qla_host_t *ha);
f4f051eb
AV		 201static void qla2x00_sp_free_dma(scsi_qla_host_t *, srb_t *);
202void qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *);
1da177e4 203
1da177e4
LT		 204/* -------------------------------------------------------------------------- */
205
1da177e4 206static char *
abbd8870 207qla2x00_pci_info_str(struct scsi_qla_host *ha, char *str)
1da177e4
LT		 208{
209 static char *pci_bus_modes[] = {
210 "33", "66", "100", "133",
211 };
212 uint16_t pci_bus;
213
214 strcpy(str, "PCI");
215 pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
216 if (pci_bus) {
217 strcat(str, "-X (");
218 strcat(str, pci_bus_modes[pci_bus]);
219 } else {
220 pci_bus = (ha->pci_attr & BIT_8) >> 8;
221 strcat(str, " (");
222 strcat(str, pci_bus_modes[pci_bus]);
223 }
224 strcat(str, " MHz)");
225
226 return (str);
227}
228
fca29703
AV		 229static char *
230qla24xx_pci_info_str(struct scsi_qla_host *ha, char *str)
231{
232 static char *pci_bus_modes[] = { "33", "66", "100", "133", };
233 uint32_t pci_bus;
234 int pcie_reg;
235
236 pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
237 if (pcie_reg) {
238 char lwstr[6];
239 uint16_t pcie_lstat, lspeed, lwidth;
240
241 pcie_reg += 0x12;
242 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
243 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
244 lwidth = (pcie_lstat &
245 (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
246
247 strcpy(str, "PCIe (");
248 if (lspeed == 1)
249 strcat(str, "2.5Gb/s ");
250 else
251 strcat(str, "<unknown> ");
252 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
253 strcat(str, lwstr);
254
255 return str;
256 }
257
258 strcpy(str, "PCI");
259 pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
260 if (pci_bus == 0 || pci_bus == 8) {
261 strcat(str, " (");
262 strcat(str, pci_bus_modes[pci_bus >> 3]);
263 } else {
264 strcat(str, "-X ");
265 if (pci_bus & BIT_2)
266 strcat(str, "Mode 2");
267 else
268 strcat(str, "Mode 1");
269 strcat(str, " (");
270 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
271 }
272 strcat(str, " MHz)");
273
274 return str;
275}
276
1da177e4 277char *
abbd8870 278qla2x00_fw_version_str(struct scsi_qla_host *ha, char *str)
1da177e4
LT		 279{
280 char un_str[10];
fa2a1ce5 281
1da177e4
LT		 282 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
283 ha->fw_minor_version,
284 ha->fw_subminor_version);
285
286 if (ha->fw_attributes & BIT_9) {
287 strcat(str, "FLX");
288 return (str);
289 }
290
291 switch (ha->fw_attributes & 0xFF) {
292 case 0x7:
293 strcat(str, "EF");
294 break;
295 case 0x17:
296 strcat(str, "TP");
297 break;
298 case 0x37:
299 strcat(str, "IP");
300 break;
301 case 0x77:
302 strcat(str, "VI");
303 break;
304 default:
305 sprintf(un_str, "(%x)", ha->fw_attributes);
306 strcat(str, un_str);
307 break;
308 }
309 if (ha->fw_attributes & 0x100)
310 strcat(str, "X");
311
312 return (str);
313}
314
fca29703
AV		 315char *
316qla24xx_fw_version_str(struct scsi_qla_host *ha, char *str)
317{
f0883ac6
AV		 318 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
319 ha->fw_minor_version,
320 ha->fw_subminor_version);
321
fca29703
AV		 322 if (ha->fw_attributes & BIT_0)
323 strcat(str, "[Class 2] ");
324 if (ha->fw_attributes & BIT_1)
325 strcat(str, "[IP] ");
326 if (ha->fw_attributes & BIT_2)
327 strcat(str, "[Multi-ID] ");
328 if (ha->fw_attributes & BIT_13)
329 strcat(str, "[Experimental]");
330 return str;
fca29703
AV		 331}
332
333static inline srb_t *
334qla2x00_get_new_sp(scsi_qla_host_t *ha, fc_port_t *fcport,
335 struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
336{
337 srb_t *sp;
338
339 sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
340 if (!sp)
341 return sp;
342
fca29703
AV		 343 sp->ha = ha;
344 sp->fcport = fcport;
345 sp->cmd = cmd;
346 sp->flags = 0;
347 CMD_SP(cmd) = (void *)sp;
348 cmd->scsi_done = done;
349
350 return sp;
351}
352
1da177e4 353static int
f4f051eb 354qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
1da177e4 355{
f4f051eb 356 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
bdf79621 357 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
19a7b4ae 358 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
f4f051eb
AV		 359 srb_t *sp;
360 int rval;
1da177e4 361
19a7b4ae
JSEC		 362 rval = fc_remote_port_chkready(rport);
363 if (rval) {
364 cmd->result = rval;
f4f051eb
AV		 365 goto qc_fail_command;
366 }
1da177e4 367
387f96b4
AV		 368 /* Close window on fcport/rport state-transitioning. */
369 if (!*(fc_port_t **)rport->dd_data) {
370 cmd->result = DID_IMM_RETRY << 16;
371 goto qc_fail_command;
372 }
373
f4f051eb
AV		 374 if (atomic_read(&fcport->state) != FCS_ONLINE) {
375 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
376 atomic_read(&ha->loop_state) == LOOP_DEAD) {
377 cmd->result = DID_NO_CONNECT << 16;
378 goto qc_fail_command;
379 }
380 goto qc_host_busy;
381 }
1da177e4
LT		 382
383 spin_unlock_irq(ha->host->host_lock);
384
fca29703
AV		 385 sp = qla2x00_get_new_sp(ha, fcport, cmd, done);
386 if (!sp)
f4f051eb 387 goto qc_host_busy_lock;
1da177e4 388
f4f051eb
AV		 389 rval = qla2x00_start_scsi(sp);
390 if (rval != QLA_SUCCESS)
391 goto qc_host_busy_free_sp;
1da177e4 392
f4f051eb 393 spin_lock_irq(ha->host->host_lock);
1da177e4 394
f4f051eb 395 return 0;
1da177e4 396
f4f051eb
AV		 397qc_host_busy_free_sp:
398 qla2x00_sp_free_dma(ha, sp);
f4f051eb 399 mempool_free(sp, ha->srb_mempool);
1da177e4 400
f4f051eb
AV		 401qc_host_busy_lock:
402 spin_lock_irq(ha->host->host_lock);
1da177e4 403
f4f051eb
AV		 404qc_host_busy:
405 return SCSI_MLQUEUE_HOST_BUSY;
1da177e4 406
f4f051eb
AV		 407qc_fail_command:
408 done(cmd);
1da177e4 409
f4f051eb 410 return 0;
1da177e4
LT		 411}
412
fca29703
AV		 413
414static int
415qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
416{
417 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
418 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
19a7b4ae 419 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
fca29703
AV		 420 srb_t *sp;
421 int rval;
422
19a7b4ae
JSEC		 423 rval = fc_remote_port_chkready(rport);
424 if (rval) {
425 cmd->result = rval;
fca29703
AV		 426 goto qc24_fail_command;
427 }
428
387f96b4
AV		 429 /* Close window on fcport/rport state-transitioning. */
430 if (!*(fc_port_t **)rport->dd_data) {
431 cmd->result = DID_IMM_RETRY << 16;
432 goto qc24_fail_command;
433 }
434
fca29703
AV		 435 if (atomic_read(&fcport->state) != FCS_ONLINE) {
436 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
437 atomic_read(&ha->loop_state) == LOOP_DEAD) {
438 cmd->result = DID_NO_CONNECT << 16;
439 goto qc24_fail_command;
440 }
441 goto qc24_host_busy;
442 }
443
444 spin_unlock_irq(ha->host->host_lock);
445
446 sp = qla2x00_get_new_sp(ha, fcport, cmd, done);
447 if (!sp)
448 goto qc24_host_busy_lock;
449
450 rval = qla24xx_start_scsi(sp);
451 if (rval != QLA_SUCCESS)
452 goto qc24_host_busy_free_sp;
453
454 spin_lock_irq(ha->host->host_lock);
455
456 return 0;
457
458qc24_host_busy_free_sp:
459 qla2x00_sp_free_dma(ha, sp);
460 mempool_free(sp, ha->srb_mempool);
461
462qc24_host_busy_lock:
463 spin_lock_irq(ha->host->host_lock);
464
465qc24_host_busy:
466 return SCSI_MLQUEUE_HOST_BUSY;
467
468qc24_fail_command:
469 done(cmd);
470
471 return 0;
472}
473
474
1da177e4
LT		 475/*
476 * qla2x00_eh_wait_on_command
477 * Waits for the command to be returned by the Firmware for some
478 * max time.
479 *
480 * Input:
481 * ha = actual ha whose done queue will contain the command
482 * returned by firmware.
483 * cmd = Scsi Command to wait on.
484 * flag = Abort/Reset(Bus or Device Reset)
485 *
486 * Return:
487 * Not Found : 0
488 * Found : 1
489 */
490static int
491qla2x00_eh_wait_on_command(scsi_qla_host_t *ha, struct scsi_cmnd *cmd)
492{
fe74c71f
AV		 493#define ABORT_POLLING_PERIOD 1000
494#define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
f4f051eb
AV		 495 unsigned long wait_iter = ABORT_WAIT_ITER;
496 int ret = QLA_SUCCESS;
1da177e4 497
f4f051eb 498 while (CMD_SP(cmd)) {
fe74c71f 499 msleep(ABORT_POLLING_PERIOD);
1da177e4 500
f4f051eb
AV		 501 if (--wait_iter)
502 break;
503 }
504 if (CMD_SP(cmd))
505 ret = QLA_FUNCTION_FAILED;
1da177e4 506
f4f051eb 507 return ret;
1da177e4
LT		 508}
509
510/*
511 * qla2x00_wait_for_hba_online
fa2a1ce5 512 * Wait till the HBA is online after going through
1da177e4
LT		 513 * <= MAX_RETRIES_OF_ISP_ABORT or
514 * finally HBA is disabled ie marked offline
515 *
516 * Input:
517 * ha - pointer to host adapter structure
fa2a1ce5
AV		 518 *
519 * Note:
1da177e4
LT		 520 * Does context switching-Release SPIN_LOCK
521 * (if any) before calling this routine.
522 *
523 * Return:
524 * Success (Adapter is online) : 0
525 * Failed (Adapter is offline/disabled) : 1
526 */
854165f4 527int
1da177e4
LT		 528qla2x00_wait_for_hba_online(scsi_qla_host_t *ha)
529{
fca29703
AV		 530 int return_status;
531 unsigned long wait_online;
1da177e4 532
fa2a1ce5 533 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1da177e4
LT		 534 while (((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) ||
535 test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags) ||
536 test_bit(ISP_ABORT_RETRY, &ha->dpc_flags) ||
537 ha->dpc_active) && time_before(jiffies, wait_online)) {
538
539 msleep(1000);
540 }
fa2a1ce5
AV		 541 if (ha->flags.online)
542 return_status = QLA_SUCCESS;
1da177e4
LT		 543 else
544 return_status = QLA_FUNCTION_FAILED;
545
546 DEBUG2(printk("%s return_status=%d\n",__func__,return_status));
547
548 return (return_status);
549}
550
551/*
552 * qla2x00_wait_for_loop_ready
553 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
fa2a1ce5 554 * to be in LOOP_READY state.
1da177e4
LT		 555 * Input:
556 * ha - pointer to host adapter structure
fa2a1ce5
AV		 557 *
558 * Note:
1da177e4
LT		 559 * Does context switching-Release SPIN_LOCK
560 * (if any) before calling this routine.
fa2a1ce5 561 *
1da177e4
LT		 562 *
563 * Return:
564 * Success (LOOP_READY) : 0
565 * Failed (LOOP_NOT_READY) : 1
566 */
fa2a1ce5 567static inline int
1da177e4
LT		 568qla2x00_wait_for_loop_ready(scsi_qla_host_t *ha)
569{
570 int return_status = QLA_SUCCESS;
571 unsigned long loop_timeout ;
572
573 /* wait for 5 min at the max for loop to be ready */
fa2a1ce5 574 loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1da177e4
LT		 575
576 while ((!atomic_read(&ha->loop_down_timer) &&
577 atomic_read(&ha->loop_state) == LOOP_DOWN) ||
1da177e4 578 atomic_read(&ha->loop_state) != LOOP_READY) {
57680080
RA		 579 if (atomic_read(&ha->loop_state) == LOOP_DEAD) {
580 return_status = QLA_FUNCTION_FAILED;
581 break;
582 }
1da177e4
LT		 583 msleep(1000);
584 if (time_after_eq(jiffies, loop_timeout)) {
585 return_status = QLA_FUNCTION_FAILED;
586 break;
587 }
588 }
fa2a1ce5 589 return (return_status);
1da177e4
LT		 590}
591
07db5183
AV		 592static void
593qla2x00_block_error_handler(struct scsi_cmnd *cmnd)
594{
595 struct Scsi_Host *shost = cmnd->device->host;
596 struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device));
597 unsigned long flags;
598
599 spin_lock_irqsave(shost->host_lock, flags);
600 while (rport->port_state == FC_PORTSTATE_BLOCKED) {
601 spin_unlock_irqrestore(shost->host_lock, flags);
602 msleep(1000);
603 spin_lock_irqsave(shost->host_lock, flags);
604 }
605 spin_unlock_irqrestore(shost->host_lock, flags);
606 return;
607}
608
1da177e4
LT		 609/**************************************************************************
610* qla2xxx_eh_abort
611*
612* Description:
613* The abort function will abort the specified command.
614*
615* Input:
616* cmd = Linux SCSI command packet to be aborted.
617*
618* Returns:
619* Either SUCCESS or FAILED.
620*
621* Note:
2ea00202 622* Only return FAILED if command not returned by firmware.
1da177e4
LT		 623**************************************************************************/
624int
625qla2xxx_eh_abort(struct scsi_cmnd *cmd)
626{
f4f051eb
AV		 627 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
628 srb_t *sp;
629 int ret, i;
630 unsigned int id, lun;
631 unsigned long serial;
18e144d3 632 unsigned long flags;
2ea00202 633 int wait = 0;
1da177e4 634
07db5183
AV		 635 qla2x00_block_error_handler(cmd);
636
f4f051eb 637 if (!CMD_SP(cmd))
2ea00202 638 return SUCCESS;
1da177e4 639
2ea00202 640 ret = SUCCESS;
1da177e4 641
f4f051eb
AV		 642 id = cmd->device->id;
643 lun = cmd->device->lun;
644 serial = cmd->serial_number;
1da177e4 645
f4f051eb 646 /* Check active list for command command. */
18e144d3 647 spin_lock_irqsave(&ha->hardware_lock, flags);
f4f051eb
AV		 648 for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
649 sp = ha->outstanding_cmds[i];
1da177e4 650
f4f051eb
AV		 651 if (sp == NULL)
652 continue;
1da177e4 653
f4f051eb
AV		 654 if (sp->cmd != cmd)
655 continue;
1da177e4 656
75bc4190
AV		 657 DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld.\n",
658 __func__, ha->host_no, sp, serial));
744f11fd 659 DEBUG3(qla2x00_print_scsi_cmd(cmd));
1da177e4 660
18e144d3 661 spin_unlock_irqrestore(&ha->hardware_lock, flags);
abbd8870 662 if (ha->isp_ops.abort_command(ha, sp)) {
f4f051eb
AV		 663 DEBUG2(printk("%s(%ld): abort_command "
664 "mbx failed.\n", __func__, ha->host_no));
665 } else {
666 DEBUG3(printk("%s(%ld): abort_command "
667 "mbx success.\n", __func__, ha->host_no));
2ea00202 668 wait = 1;
f4f051eb 669 }
18e144d3 670 spin_lock_irqsave(&ha->hardware_lock, flags);
1da177e4 671
f4f051eb
AV		 672 break;
673 }
18e144d3 674 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1da177e4 675
f4f051eb 676 /* Wait for the command to be returned. */
2ea00202 677 if (wait) {
f4f051eb 678 if (qla2x00_eh_wait_on_command(ha, cmd) != QLA_SUCCESS) {
fa2a1ce5 679 qla_printk(KERN_ERR, ha,
f4f051eb
AV		 680 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
681 "%x.\n", ha->host_no, id, lun, serial, ret);
2ea00202 682 ret = FAILED;
f4f051eb 683 }
1da177e4 684 }
1da177e4 685
fa2a1ce5 686 qla_printk(KERN_INFO, ha,
2ea00202
MR		 687 "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
688 ha->host_no, id, lun, wait, serial, ret);
1da177e4 689
f4f051eb
AV		 690 return ret;
691}
1da177e4 692
f4f051eb
AV		 693/**************************************************************************
694* qla2x00_eh_wait_for_pending_target_commands
695*
696* Description:
697* Waits for all the commands to come back from the specified target.
698*
699* Input:
700* ha - pointer to scsi_qla_host structure.
fa2a1ce5 701* t - target
f4f051eb
AV		 702* Returns:
703* Either SUCCESS or FAILED.
704*
705* Note:
706**************************************************************************/
707static int
708qla2x00_eh_wait_for_pending_target_commands(scsi_qla_host_t *ha, unsigned int t)
709{
710 int cnt;
711 int status;
712 srb_t *sp;
713 struct scsi_cmnd *cmd;
18e144d3 714 unsigned long flags;
1da177e4 715
f4f051eb 716 status = 0;
1da177e4
LT		 717
718 /*
f4f051eb
AV		 719 * Waiting for all commands for the designated target in the active
720 * array
1da177e4
LT		 721 */
722 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
18e144d3 723 spin_lock_irqsave(&ha->hardware_lock, flags);
1da177e4
LT		 724 sp = ha->outstanding_cmds[cnt];
725 if (sp) {
726 cmd = sp->cmd;
18e144d3 727 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1da177e4
LT		 728 if (cmd->device->id == t) {
729 if (!qla2x00_eh_wait_on_command(ha, cmd)) {
730 status = 1;
731 break;
732 }
733 }
f4f051eb 734 } else {
18e144d3 735 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1da177e4
LT		 736 }
737 }
738 return (status);
739}
740
741
742/**************************************************************************
743* qla2xxx_eh_device_reset
744*
745* Description:
746* The device reset function will reset the target and abort any
747* executing commands.
748*
749* NOTE: The use of SP is undefined within this context. Do *NOT*
fa2a1ce5 750* attempt to use this value, even if you determine it is
1da177e4
LT		 751* non-null.
752*
753* Input:
754* cmd = Linux SCSI command packet of the command that cause the
755* bus device reset.
756*
757* Returns:
758* SUCCESS/FAILURE (defined as macro in scsi.h).
759*
760**************************************************************************/
761int
762qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
763{
f4f051eb 764 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
bdf79621 765 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
f4f051eb
AV		 766 int ret;
767 unsigned int id, lun;
768 unsigned long serial;
1da177e4 769
07db5183
AV		 770 qla2x00_block_error_handler(cmd);
771
f4f051eb 772 ret = FAILED;
1da177e4 773
f4f051eb
AV		 774 id = cmd->device->id;
775 lun = cmd->device->lun;
776 serial = cmd->serial_number;
1da177e4 777
b0328bee 778 if (!fcport)
f4f051eb 779 return ret;
1da177e4
LT		 780
781 qla_printk(KERN_INFO, ha,
f4f051eb 782 "scsi(%ld:%d:%d): DEVICE RESET ISSUED.\n", ha->host_no, id, lun);
1da177e4 783
94d0e7b8 784 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
1da177e4 785 goto eh_dev_reset_done;
1da177e4
LT		 786
787 if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
f4f051eb
AV		 788 if (qla2x00_device_reset(ha, fcport) == 0)
789 ret = SUCCESS;
1da177e4
LT		 790
791#if defined(LOGOUT_AFTER_DEVICE_RESET)
f4f051eb
AV		 792 if (ret == SUCCESS) {
793 if (fcport->flags & FC_FABRIC_DEVICE) {
abbd8870 794 ha->isp_ops.fabric_logout(ha, fcport->loop_id);
d97994dc 795 qla2x00_mark_device_lost(ha, fcport, 0, 0);
1da177e4
LT		 796 }
797 }
798#endif
799 } else {
800 DEBUG2(printk(KERN_INFO
744f11fd 801 "%s failed: loop not ready\n",__func__));
1da177e4
LT		 802 }
803
f4f051eb 804 if (ret == FAILED) {
1da177e4
LT		 805 DEBUG3(printk("%s(%ld): device reset failed\n",
806 __func__, ha->host_no));
807 qla_printk(KERN_INFO, ha, "%s: device reset failed\n",
808 __func__);
809
810 goto eh_dev_reset_done;
811 }
812
9a41a62b
AV		 813 /* Flush outstanding commands. */
814 if (qla2x00_eh_wait_for_pending_target_commands(ha, id))
815 ret = FAILED;
816 if (ret == FAILED) {
817 DEBUG3(printk("%s(%ld): failed while waiting for commands\n",
818 __func__, ha->host_no));
819 qla_printk(KERN_INFO, ha,
820 "%s: failed while waiting for commands\n", __func__);
821 } else
822 qla_printk(KERN_INFO, ha,
823 "scsi(%ld:%d:%d): DEVICE RESET SUCCEEDED.\n", ha->host_no,
824 id, lun);
28f22b03 825 eh_dev_reset_done:
f4f051eb 826 return ret;
1da177e4
LT		 827}
828
829/**************************************************************************
830* qla2x00_eh_wait_for_pending_commands
831*
832* Description:
833* Waits for all the commands to come back from the specified host.
834*
835* Input:
836* ha - pointer to scsi_qla_host structure.
837*
838* Returns:
839* 1 : SUCCESS
840* 0 : FAILED
841*
842* Note:
843**************************************************************************/
844static int
845qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha)
846{
847 int cnt;
848 int status;
849 srb_t *sp;
850 struct scsi_cmnd *cmd;
18e144d3 851 unsigned long flags;
1da177e4
LT		 852
853 status = 1;
854
855 /*
856 * Waiting for all commands for the designated target in the active
857 * array
858 */
859 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
18e144d3 860 spin_lock_irqsave(&ha->hardware_lock, flags);
1da177e4
LT		 861 sp = ha->outstanding_cmds[cnt];
862 if (sp) {
863 cmd = sp->cmd;
18e144d3 864 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1da177e4
LT		 865 status = qla2x00_eh_wait_on_command(ha, cmd);
866 if (status == 0)
867 break;
868 }
869 else {
18e144d3 870 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1da177e4
LT		 871 }
872 }
873 return (status);
874}
875
876
877/**************************************************************************
878* qla2xxx_eh_bus_reset
879*
880* Description:
881* The bus reset function will reset the bus and abort any executing
882* commands.
883*
884* Input:
885* cmd = Linux SCSI command packet of the command that cause the
886* bus reset.
887*
888* Returns:
889* SUCCESS/FAILURE (defined as macro in scsi.h).
890*
891**************************************************************************/
892int
893qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
894{
f4f051eb 895 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
bdf79621 896 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
f4f051eb
AV		 897 int ret;
898 unsigned int id, lun;
899 unsigned long serial;
900
07db5183
AV		 901 qla2x00_block_error_handler(cmd);
902
f4f051eb
AV		 903 ret = FAILED;
904
905 id = cmd->device->id;
906 lun = cmd->device->lun;
907 serial = cmd->serial_number;
1da177e4 908
b0328bee 909 if (!fcport)
f4f051eb 910 return ret;
1da177e4
LT		 911
912 qla_printk(KERN_INFO, ha,
f4f051eb 913 "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha->host_no, id, lun);
1da177e4 914
1da177e4
LT		 915 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) {
916 DEBUG2(printk("%s failed:board disabled\n",__func__));
f4f051eb 917 goto eh_bus_reset_done;
1da177e4
LT		 918 }
919
920 if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
f4f051eb
AV		 921 if (qla2x00_loop_reset(ha) == QLA_SUCCESS)
922 ret = SUCCESS;
1da177e4 923 }
f4f051eb
AV		 924 if (ret == FAILED)
925 goto eh_bus_reset_done;
1da177e4 926
9a41a62b
AV		 927 /* Flush outstanding commands. */
928 if (!qla2x00_eh_wait_for_pending_commands(ha))
929 ret = FAILED;
1da177e4 930
f4f051eb 931eh_bus_reset_done:
1da177e4 932 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
f4f051eb 933 (ret == FAILED) ? "failed" : "succeded");
1da177e4 934
f4f051eb 935 return ret;
1da177e4
LT		 936}
937
938/**************************************************************************
939* qla2xxx_eh_host_reset
940*
941* Description:
942* The reset function will reset the Adapter.
943*
944* Input:
945* cmd = Linux SCSI command packet of the command that cause the
946* adapter reset.
947*
948* Returns:
949* Either SUCCESS or FAILED.
950*
951* Note:
952**************************************************************************/
953int
954qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
955{
f4f051eb 956 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
bdf79621 957 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
f4f051eb
AV		 958 int ret;
959 unsigned int id, lun;
960 unsigned long serial;
1da177e4 961
07db5183
AV		 962 qla2x00_block_error_handler(cmd);
963
f4f051eb
AV		 964 ret = FAILED;
965
966 id = cmd->device->id;
967 lun = cmd->device->lun;
968 serial = cmd->serial_number;
969
b0328bee 970 if (!fcport)
f4f051eb 971 return ret;
1da177e4 972
1da177e4 973 qla_printk(KERN_INFO, ha,
f4f051eb 974 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha->host_no, id, lun);
1da177e4 975
1da177e4 976 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
f4f051eb 977 goto eh_host_reset_lock;
1da177e4
LT		 978
979 /*
980 * Fixme-may be dpc thread is active and processing
fa2a1ce5 981 * loop_resync,so wait a while for it to
1da177e4
LT		 982 * be completed and then issue big hammer.Otherwise
983 * it may cause I/O failure as big hammer marks the
984 * devices as lost kicking of the port_down_timer
985 * while dpc is stuck for the mailbox to complete.
986 */
1da177e4
LT		 987 qla2x00_wait_for_loop_ready(ha);
988 set_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
989 if (qla2x00_abort_isp(ha)) {
990 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
991 /* failed. schedule dpc to try */
992 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
993
994 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
f4f051eb 995 goto eh_host_reset_lock;
fa2a1ce5 996 }
1da177e4
LT		 997 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
998
1da177e4 999 /* Waiting for our command in done_queue to be returned to OS.*/
f4f051eb
AV		 1000 if (qla2x00_eh_wait_for_pending_commands(ha))
1001 ret = SUCCESS;
1da177e4 1002
f4f051eb 1003eh_host_reset_lock:
f4f051eb
AV		 1004 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1005 (ret == FAILED) ? "failed" : "succeded");
1da177e4 1006
f4f051eb
AV		 1007 return ret;
1008}
1da177e4
LT		 1009
1010/*
1011* qla2x00_loop_reset
1012* Issue loop reset.
1013*
1014* Input:
1015* ha = adapter block pointer.
1016*
1017* Returns:
1018* 0 = success
1019*/
1020static int
1021qla2x00_loop_reset(scsi_qla_host_t *ha)
1022{
1023 int status = QLA_SUCCESS;
bdf79621 1024 struct fc_port *fcport;
1da177e4
LT		 1025
1026 if (ha->flags.enable_lip_reset) {
1027 status = qla2x00_lip_reset(ha);
1028 }
1029
1030 if (status == QLA_SUCCESS && ha->flags.enable_target_reset) {
bdf79621
AV		 1031 list_for_each_entry(fcport, &ha->fcports, list) {
1032 if (fcport->port_type != FCT_TARGET)
1da177e4
LT		 1033 continue;
1034
c00c72ae 1035 status = qla2x00_device_reset(ha, fcport);
bdf79621 1036 if (status != QLA_SUCCESS)
1da177e4 1037 break;
1da177e4
LT		 1038 }
1039 }
1040
1041 if (status == QLA_SUCCESS &&
fa2a1ce5 1042 ((!ha->flags.enable_target_reset &&
1da177e4
LT		 1043 !ha->flags.enable_lip_reset) ||
1044 ha->flags.enable_lip_full_login)) {
1045
1046 status = qla2x00_full_login_lip(ha);
1047 }
1048
1049 /* Issue marker command only when we are going to start the I/O */
1050 ha->marker_needed = 1;
1051
1052 if (status) {
1053 /* Empty */
1054 DEBUG2_3(printk("%s(%ld): **** FAILED ****\n",
1055 __func__,
744f11fd 1056 ha->host_no));
1da177e4
LT		 1057 } else {
1058 /* Empty */
1059 DEBUG3(printk("%s(%ld): exiting normally.\n",
1060 __func__,
744f11fd 1061 ha->host_no));
1da177e4
LT		 1062 }
1063
1064 return(status);
1065}
1066
1067/*
1068 * qla2x00_device_reset
1069 * Issue bus device reset message to the target.
1070 *
1071 * Input:
1072 * ha = adapter block pointer.
1073 * t = SCSI ID.
1074 * TARGET_QUEUE_LOCK must be released.
1075 * ADAPTER_STATE_LOCK must be released.
1076 *
1077 * Context:
1078 * Kernel context.
1079 */
1080static int
1081qla2x00_device_reset(scsi_qla_host_t *ha, fc_port_t *reset_fcport)
1082{
1083 /* Abort Target command will clear Reservation */
abbd8870 1084 return ha->isp_ops.abort_target(reset_fcport);
1da177e4
LT		 1085}
1086
f4f051eb
AV		 1087static int
1088qla2xxx_slave_alloc(struct scsi_device *sdev)
1da177e4 1089{
bdf79621 1090 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1da177e4 1091
19a7b4ae 1092 if (!rport || fc_remote_port_chkready(rport))
f4f051eb 1093 return -ENXIO;
bdf79621 1094
19a7b4ae 1095 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1da177e4 1096
f4f051eb
AV		 1097 return 0;
1098}
1da177e4 1099
f4f051eb
AV		 1100static int
1101qla2xxx_slave_configure(struct scsi_device *sdev)
1102{
8482e118
AV		 1103 scsi_qla_host_t *ha = to_qla_host(sdev->host);
1104 struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1105
f4f051eb
AV		 1106 if (sdev->tagged_supported)
1107 scsi_activate_tcq(sdev, 32);
1108 else
1109 scsi_deactivate_tcq(sdev, 32);
1da177e4 1110
8482e118
AV		 1111 rport->dev_loss_tmo = ha->port_down_retry_count + 5;
1112
f4f051eb
AV		 1113 return 0;
1114}
1da177e4 1115
f4f051eb
AV		 1116static void
1117qla2xxx_slave_destroy(struct scsi_device *sdev)
1118{
1119 sdev->hostdata = NULL;
1da177e4
LT		 1120}
1121
ce7e4af7
AV		 1122static int
1123qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
1124{
1125 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1126 return sdev->queue_depth;
1127}
1128
1129static int
1130qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1131{
1132 if (sdev->tagged_supported) {
1133 scsi_set_tag_type(sdev, tag_type);
1134 if (tag_type)
1135 scsi_activate_tcq(sdev, sdev->queue_depth);
1136 else
1137 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1138 } else
1139 tag_type = 0;
1140
1141 return tag_type;
1142}
1143
1da177e4
LT		 1144/**
1145 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1146 * @ha: HA context
1147 *
1148 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1149 * supported addressing method.
1150 */
1151static void
1152qla2x00_config_dma_addressing(scsi_qla_host_t *ha)
1153{
7524f9b9 1154 /* Assume a 32bit DMA mask. */
1da177e4 1155 ha->flags.enable_64bit_addressing = 0;
1da177e4 1156
7524f9b9
AV		 1157 if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) {
1158 /* Any upper-dword bits set? */
1159 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1160 !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) {
1161 /* Ok, a 64bit DMA mask is applicable. */
1da177e4 1162 ha->flags.enable_64bit_addressing = 1;
abbd8870
AV		 1163 ha->isp_ops.calc_req_entries = qla2x00_calc_iocbs_64;
1164 ha->isp_ops.build_iocbs = qla2x00_build_scsi_iocbs_64;
7524f9b9 1165 return;
1da177e4 1166 }
1da177e4 1167 }
7524f9b9
AV		 1168
1169 dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK);
1170 pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK);
1da177e4
LT		 1171}
1172
ea5b6382
AV		 1173static inline void
1174qla2x00_set_isp_flags(scsi_qla_host_t *ha)
1175{
1176 ha->device_type = DT_EXTENDED_IDS;
1177 switch (ha->pdev->device) {
1178 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1179 ha->device_type |= DT_ISP2100;
1180 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1181 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382
AV		 1182 break;
1183 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1184 ha->device_type |= DT_ISP2200;
1185 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1186 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382
AV		 1187 break;
1188 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1189 ha->device_type |= DT_ISP2300;
4a59f71d 1190 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1191 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1192 break;
1193 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1194 ha->device_type |= DT_ISP2312;
4a59f71d 1195 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1196 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1197 break;
1198 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1199 ha->device_type |= DT_ISP2322;
4a59f71d 1200 ha->device_type |= DT_ZIO_SUPPORTED;
ea5b6382
AV		 1201 if (ha->pdev->subsystem_vendor == 0x1028 &&
1202 ha->pdev->subsystem_device == 0x0170)
1203 ha->device_type |= DT_OEM_001;
441d1072 1204 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1205 break;
1206 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1207 ha->device_type |= DT_ISP6312;
441d1072 1208 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1209 break;
1210 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1211 ha->device_type |= DT_ISP6322;
441d1072 1212 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1213 break;
1214 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1215 ha->device_type |= DT_ISP2422;
4a59f71d 1216 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1217 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382
AV		 1218 break;
1219 case PCI_DEVICE_ID_QLOGIC_ISP2432:
1220 ha->device_type |= DT_ISP2432;
4a59f71d 1221 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1222 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1223 break;
044cc6c8
AV		 1224 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1225 ha->device_type |= DT_ISP5422;
441d1072 1226 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1227 break;
044cc6c8
AV		 1228 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1229 ha->device_type |= DT_ISP5432;
441d1072 1230 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382
AV		 1231 break;
1232 }
1233}
1234
1da177e4
LT		 1235static int
1236qla2x00_iospace_config(scsi_qla_host_t *ha)
1237{
1238 unsigned long pio, pio_len, pio_flags;
1239 unsigned long mmio, mmio_len, mmio_flags;
1240
1241 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1242 pio = pci_resource_start(ha->pdev, 0);
1243 pio_len = pci_resource_len(ha->pdev, 0);
1244 pio_flags = pci_resource_flags(ha->pdev, 0);
1245 if (pio_flags & IORESOURCE_IO) {
1246 if (pio_len < MIN_IOBASE_LEN) {
1247 qla_printk(KERN_WARNING, ha,
1248 "Invalid PCI I/O region size (%s)...\n",
1249 pci_name(ha->pdev));
1250 pio = 0;
1251 }
1252 } else {
1253 qla_printk(KERN_WARNING, ha,
1254 "region #0 not a PIO resource (%s)...\n",
1255 pci_name(ha->pdev));
1256 pio = 0;
1257 }
1258
1259 /* Use MMIO operations for all accesses. */
1260 mmio = pci_resource_start(ha->pdev, 1);
1261 mmio_len = pci_resource_len(ha->pdev, 1);
1262 mmio_flags = pci_resource_flags(ha->pdev, 1);
1263
1264 if (!(mmio_flags & IORESOURCE_MEM)) {
1265 qla_printk(KERN_ERR, ha,
1266 "region #0 not an MMIO resource (%s), aborting\n",
1267 pci_name(ha->pdev));
1268 goto iospace_error_exit;
1269 }
1270 if (mmio_len < MIN_IOBASE_LEN) {
1271 qla_printk(KERN_ERR, ha,
1272 "Invalid PCI mem region size (%s), aborting\n",
1273 pci_name(ha->pdev));
1274 goto iospace_error_exit;
1275 }
1276
cb63067a 1277 if (pci_request_regions(ha->pdev, QLA2XXX_DRIVER_NAME)) {
1da177e4
LT		 1278 qla_printk(KERN_WARNING, ha,
1279 "Failed to reserve PIO/MMIO regions (%s)\n",
1280 pci_name(ha->pdev));
1281
1282 goto iospace_error_exit;
1283 }
1284
1285 ha->pio_address = pio;
1286 ha->pio_length = pio_len;
1287 ha->iobase = ioremap(mmio, MIN_IOBASE_LEN);
1288 if (!ha->iobase) {
1289 qla_printk(KERN_ERR, ha,
1290 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1291
1292 goto iospace_error_exit;
1293 }
1294
1295 return (0);
1296
1297iospace_error_exit:
1298 return (-ENOMEM);
1299}
1300
abbd8870
AV		 1301static void
1302qla2x00_enable_intrs(scsi_qla_host_t *ha)
1303{
1304 unsigned long flags = 0;
3d71644c 1305 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
abbd8870
AV		 1306
1307 spin_lock_irqsave(&ha->hardware_lock, flags);
1308 ha->interrupts_on = 1;
1309 /* enable risc and host interrupts */
1310 WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1311 RD_REG_WORD(&reg->ictrl);
1312 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1313
1314}
1315
1316static void
1317qla2x00_disable_intrs(scsi_qla_host_t *ha)
1318{
1319 unsigned long flags = 0;
3d71644c 1320 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
abbd8870
AV		 1321
1322 spin_lock_irqsave(&ha->hardware_lock, flags);
1323 ha->interrupts_on = 0;
1324 /* disable risc and host interrupts */
1325 WRT_REG_WORD(&reg->ictrl, 0);
1326 RD_REG_WORD(&reg->ictrl);
1327 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1328}
1329
fca29703
AV		 1330static void
1331qla24xx_enable_intrs(scsi_qla_host_t *ha)
1332{
1333 unsigned long flags = 0;
1334 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1335
1336 spin_lock_irqsave(&ha->hardware_lock, flags);
1337 ha->interrupts_on = 1;
1338 WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1339 RD_REG_DWORD(&reg->ictrl);
1340 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1341}
1342
1343static void
1344qla24xx_disable_intrs(scsi_qla_host_t *ha)
1345{
1346 unsigned long flags = 0;
1347 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1348
1349 spin_lock_irqsave(&ha->hardware_lock, flags);
1350 ha->interrupts_on = 0;
1351 WRT_REG_DWORD(&reg->ictrl, 0);
1352 RD_REG_DWORD(&reg->ictrl);
1353 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1354}
1355
1da177e4
LT		 1356/*
1357 * PCI driver interface
1358 */
7ee61397
AV		 1359static int __devinit
1360qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1da177e4 1361{
a1541d5a 1362 int ret = -ENODEV;
fca29703 1363 device_reg_t __iomem *reg;
1da177e4
LT		 1364 struct Scsi_Host *host;
1365 scsi_qla_host_t *ha;
1366 unsigned long flags = 0;
1367 unsigned long wait_switch = 0;
1368 char pci_info[20];
1369 char fw_str[30];
8482e118 1370 fc_port_t *fcport;
5433383e 1371 struct scsi_host_template *sht;
1da177e4
LT		 1372
1373 if (pci_enable_device(pdev))
a1541d5a 1374 goto probe_out;
1da177e4 1375
5433383e
AV		 1376 sht = &qla2x00_driver_template;
1377 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
1378 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432)
1379 sht = &qla24xx_driver_template;
1380 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
1da177e4
LT		 1381 if (host == NULL) {
1382 printk(KERN_WARNING
1383 "qla2xxx: Couldn't allocate host from scsi layer!\n");
1384 goto probe_disable_device;
1385 }
1386
1387 /* Clear our data area */
1388 ha = (scsi_qla_host_t *)host->hostdata;
1389 memset(ha, 0, sizeof(scsi_qla_host_t));
1390
1391 ha->pdev = pdev;
1392 ha->host = host;
1393 ha->host_no = host->host_no;
cb63067a 1394 sprintf(ha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, ha->host_no);
1da177e4 1395
ea5b6382
AV		 1396 /* Set ISP-type information. */
1397 qla2x00_set_isp_flags(ha);
1398
1da177e4
LT		 1399 /* Configure PCI I/O space */
1400 ret = qla2x00_iospace_config(ha);
a1541d5a
AV		 1401 if (ret)
1402 goto probe_failed;
1da177e4 1403
1da177e4 1404 qla_printk(KERN_INFO, ha,
5433383e
AV		 1405 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1406 ha->iobase);
1da177e4
LT		 1407
1408 spin_lock_init(&ha->hardware_lock);
1409
1da177e4 1410 ha->prev_topology = 0;
fca29703 1411 ha->init_cb_size = sizeof(init_cb_t);
cca5335c 1412 ha->mgmt_svr_loop_id = MANAGEMENT_SERVER;
d8b45213 1413 ha->link_data_rate = PORT_SPEED_UNKNOWN;
854165f4 1414 ha->optrom_size = OPTROM_SIZE_2300;
1da177e4 1415
abbd8870
AV		 1416 /* Assign ISP specific operations. */
1417 ha->isp_ops.pci_config = qla2100_pci_config;
1418 ha->isp_ops.reset_chip = qla2x00_reset_chip;
1419 ha->isp_ops.chip_diag = qla2x00_chip_diag;
1420 ha->isp_ops.config_rings = qla2x00_config_rings;
1421 ha->isp_ops.reset_adapter = qla2x00_reset_adapter;
1422 ha->isp_ops.nvram_config = qla2x00_nvram_config;
1423 ha->isp_ops.update_fw_options = qla2x00_update_fw_options;
0107109e 1424 ha->isp_ops.load_risc = qla2x00_load_risc;
abbd8870
AV		 1425 ha->isp_ops.pci_info_str = qla2x00_pci_info_str;
1426 ha->isp_ops.fw_version_str = qla2x00_fw_version_str;
1427 ha->isp_ops.intr_handler = qla2100_intr_handler;
1428 ha->isp_ops.enable_intrs = qla2x00_enable_intrs;
1429 ha->isp_ops.disable_intrs = qla2x00_disable_intrs;
1430 ha->isp_ops.abort_command = qla2x00_abort_command;
1431 ha->isp_ops.abort_target = qla2x00_abort_target;
1432 ha->isp_ops.fabric_login = qla2x00_login_fabric;
1433 ha->isp_ops.fabric_logout = qla2x00_fabric_logout;
1434 ha->isp_ops.calc_req_entries = qla2x00_calc_iocbs_32;
1435 ha->isp_ops.build_iocbs = qla2x00_build_scsi_iocbs_32;
1436 ha->isp_ops.prep_ms_iocb = qla2x00_prep_ms_iocb;
cca5335c 1437 ha->isp_ops.prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb;
459c5378
AV		 1438 ha->isp_ops.read_nvram = qla2x00_read_nvram_data;
1439 ha->isp_ops.write_nvram = qla2x00_write_nvram_data;
abbd8870 1440 ha->isp_ops.fw_dump = qla2100_fw_dump;
854165f4
AV		 1441 ha->isp_ops.read_optrom = qla2x00_read_optrom_data;
1442 ha->isp_ops.write_optrom = qla2x00_write_optrom_data;
1da177e4 1443 if (IS_QLA2100(ha)) {
354d6b21 1444 host->max_id = MAX_TARGETS_2100;
1da177e4
LT		 1445 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
1446 ha->request_q_length = REQUEST_ENTRY_CNT_2100;
1447 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1448 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
1449 host->sg_tablesize = 32;
abbd8870 1450 ha->gid_list_info_size = 4;
1da177e4 1451 } else if (IS_QLA2200(ha)) {
354d6b21 1452 host->max_id = MAX_TARGETS_2200;
1da177e4
LT		 1453 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1454 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1455 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1456 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
abbd8870 1457 ha->gid_list_info_size = 4;
fca29703 1458 } else if (IS_QLA23XX(ha)) {
354d6b21 1459 host->max_id = MAX_TARGETS_2200;
1da177e4
LT		 1460 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1461 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1462 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1463 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
abbd8870
AV		 1464 ha->isp_ops.pci_config = qla2300_pci_config;
1465 ha->isp_ops.intr_handler = qla2300_intr_handler;
1466 ha->isp_ops.fw_dump = qla2300_fw_dump;
f6df144c
AV		 1467 ha->isp_ops.beacon_on = qla2x00_beacon_on;
1468 ha->isp_ops.beacon_off = qla2x00_beacon_off;
1469 ha->isp_ops.beacon_blink = qla2x00_beacon_blink;
abbd8870 1470 ha->gid_list_info_size = 6;
854165f4
AV		 1471 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1472 ha->optrom_size = OPTROM_SIZE_2322;
044cc6c8 1473 } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
fca29703
AV		 1474 host->max_id = MAX_TARGETS_2200;
1475 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1476 ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
1477 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1478 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1479 ha->init_cb_size = sizeof(struct init_cb_24xx);
cca5335c 1480 ha->mgmt_svr_loop_id = 10;
fca29703
AV		 1481 ha->isp_ops.pci_config = qla24xx_pci_config;
1482 ha->isp_ops.reset_chip = qla24xx_reset_chip;
1483 ha->isp_ops.chip_diag = qla24xx_chip_diag;
1484 ha->isp_ops.config_rings = qla24xx_config_rings;
1485 ha->isp_ops.reset_adapter = qla24xx_reset_adapter;
1486 ha->isp_ops.nvram_config = qla24xx_nvram_config;
1487 ha->isp_ops.update_fw_options = qla24xx_update_fw_options;
5433383e 1488 ha->isp_ops.load_risc = qla24xx_load_risc;
fca29703
AV		 1489 ha->isp_ops.pci_info_str = qla24xx_pci_info_str;
1490 ha->isp_ops.fw_version_str = qla24xx_fw_version_str;
1491 ha->isp_ops.intr_handler = qla24xx_intr_handler;
1492 ha->isp_ops.enable_intrs = qla24xx_enable_intrs;
1493 ha->isp_ops.disable_intrs = qla24xx_disable_intrs;
1494 ha->isp_ops.abort_command = qla24xx_abort_command;
1495 ha->isp_ops.abort_target = qla24xx_abort_target;
1496 ha->isp_ops.fabric_login = qla24xx_login_fabric;
1497 ha->isp_ops.fabric_logout = qla24xx_fabric_logout;
1498 ha->isp_ops.prep_ms_iocb = qla24xx_prep_ms_iocb;
cca5335c 1499 ha->isp_ops.prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb;
fca29703
AV		 1500 ha->isp_ops.read_nvram = qla24xx_read_nvram_data;
1501 ha->isp_ops.write_nvram = qla24xx_write_nvram_data;
1502 ha->isp_ops.fw_dump = qla24xx_fw_dump;
854165f4
AV		 1503 ha->isp_ops.read_optrom = qla24xx_read_optrom_data;
1504 ha->isp_ops.write_optrom = qla24xx_write_optrom_data;
f6df144c
AV		 1505 ha->isp_ops.beacon_on = qla24xx_beacon_on;
1506 ha->isp_ops.beacon_off = qla24xx_beacon_off;
1507 ha->isp_ops.beacon_blink = qla24xx_beacon_blink;
fca29703 1508 ha->gid_list_info_size = 8;
854165f4 1509 ha->optrom_size = OPTROM_SIZE_24XX;
1da177e4
LT		 1510 }
1511 host->can_queue = ha->request_q_length + 128;
1512
1513 /* load the F/W, read paramaters, and init the H/W */
1514 ha->instance = num_hosts;
1515
1516 init_MUTEX(&ha->mbx_cmd_sem);
1517 init_MUTEX_LOCKED(&ha->mbx_intr_sem);
1518
1519 INIT_LIST_HEAD(&ha->list);
1520 INIT_LIST_HEAD(&ha->fcports);
1da177e4
LT		 1521
1522 /*
1523 * These locks are used to prevent more than one CPU
1524 * from modifying the queue at the same time. The
1525 * higher level "host_lock" will reduce most
1526 * contention for these locks.
1527 */
1528 spin_lock_init(&ha->mbx_reg_lock);
1da177e4 1529
1da177e4
LT		 1530 qla2x00_config_dma_addressing(ha);
1531 if (qla2x00_mem_alloc(ha)) {
1532 qla_printk(KERN_WARNING, ha,
1533 "[ERROR] Failed to allocate memory for adapter\n");
1534
a1541d5a
AV		 1535 ret = -ENOMEM;
1536 goto probe_failed;
1da177e4
LT		 1537 }
1538
1539 if (qla2x00_initialize_adapter(ha) &&
1540 !(ha->device_flags & DFLG_NO_CABLE)) {
1541
1542 qla_printk(KERN_WARNING, ha,
1543 "Failed to initialize adapter\n");
1544
1545 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1546 "Adapter flags %x.\n",
1547 ha->host_no, ha->device_flags));
1548
a1541d5a 1549 ret = -ENODEV;
1da177e4
LT		 1550 goto probe_failed;
1551 }
1552
1553 /*
1554 * Startup the kernel thread for this host adapter
1555 */
39a11240
CH		 1556 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
1557 "%s_dpc", ha->host_str);
1558 if (IS_ERR(ha->dpc_thread)) {
1da177e4
LT		 1559 qla_printk(KERN_WARNING, ha,
1560 "Unable to start DPC thread!\n");
39a11240 1561 ret = PTR_ERR(ha->dpc_thread);
1da177e4
LT		 1562 goto probe_failed;
1563 }
1da177e4 1564
a1541d5a
AV		 1565 host->this_id = 255;
1566 host->cmd_per_lun = 3;
1567 host->unique_id = ha->instance;
1568 host->max_cmd_len = MAX_CMDSZ;
75bc4190 1569 host->max_channel = MAX_BUSES - 1;
a1541d5a
AV		 1570 host->max_lun = MAX_LUNS;
1571 host->transportt = qla2xxx_transport_template;
1572
fca29703 1573 ret = request_irq(pdev->irq, ha->isp_ops.intr_handler,
1d6f359a 1574 IRQF_DISABLED|IRQF_SHARED, QLA2XXX_DRIVER_NAME, ha);
a1541d5a 1575 if (ret) {
1da177e4
LT		 1576 qla_printk(KERN_WARNING, ha,
1577 "Failed to reserve interrupt %d already in use.\n",
fca29703 1578 pdev->irq);
1da177e4
LT		 1579 goto probe_failed;
1580 }
fca29703 1581 host->irq = pdev->irq;
1da177e4
LT		 1582
1583 /* Initialized the timer */
1584 qla2x00_start_timer(ha, qla2x00_timer, WATCH_INTERVAL);
1585
1586 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
1587 ha->host_no, ha));
1588
abbd8870 1589 ha->isp_ops.disable_intrs(ha);
1da177e4 1590
1da177e4 1591 spin_lock_irqsave(&ha->hardware_lock, flags);
fca29703 1592 reg = ha->iobase;
044cc6c8 1593 if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
fca29703
AV		 1594 WRT_REG_DWORD(&reg->isp24.hccr, HCCRX_CLR_HOST_INT);
1595 WRT_REG_DWORD(&reg->isp24.hccr, HCCRX_CLR_RISC_INT);
1596 } else {
1597 WRT_REG_WORD(&reg->isp.semaphore, 0);
1598 WRT_REG_WORD(&reg->isp.hccr, HCCR_CLR_RISC_INT);
1599 WRT_REG_WORD(&reg->isp.hccr, HCCR_CLR_HOST_INT);
1600
1601 /* Enable proper parity */
1602 if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1603 if (IS_QLA2300(ha))
1604 /* SRAM parity */
1605 WRT_REG_WORD(&reg->isp.hccr,
1606 (HCCR_ENABLE_PARITY + 0x1));
1607 else
1608 /* SRAM, Instruction RAM and GP RAM parity */
1609 WRT_REG_WORD(&reg->isp.hccr,
1610 (HCCR_ENABLE_PARITY + 0x7));
1611 }
1da177e4
LT		 1612 }
1613 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1614
abbd8870 1615 ha->isp_ops.enable_intrs(ha);
1da177e4
LT		 1616
1617 /* v2.19.5b6 */
1618 /*
1619 * Wait around max loop_reset_delay secs for the devices to come
1620 * on-line. We don't want Linux scanning before we are ready.
1621 *
1622 */
1623 for (wait_switch = jiffies + (ha->loop_reset_delay * HZ);
1624 time_before(jiffies,wait_switch) &&
1625 !(ha->device_flags & (DFLG_NO_CABLE | DFLG_FABRIC_DEVICES))
1626 && (ha->device_flags & SWITCH_FOUND) ;) {
1627
1628 qla2x00_check_fabric_devices(ha);
1629
1630 msleep(10);
1631 }
1632
a1541d5a 1633 pci_set_drvdata(pdev, ha);
1da177e4
LT		 1634 ha->flags.init_done = 1;
1635 num_hosts++;
1636
a1541d5a
AV		 1637 ret = scsi_add_host(host, &pdev->dev);
1638 if (ret)
1639 goto probe_failed;
1640
1641 qla2x00_alloc_sysfs_attr(ha);
1642
1643 qla2x00_init_host_attr(ha);
1644
1da177e4
LT		 1645 qla_printk(KERN_INFO, ha, "\n"
1646 " QLogic Fibre Channel HBA Driver: %s\n"
1647 " QLogic %s - %s\n"
5433383e
AV		 1648 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
1649 qla2x00_version_str, ha->model_number,
1650 ha->model_desc ? ha->model_desc: "", pdev->device,
1651 ha->isp_ops.pci_info_str(ha, pci_info), pci_name(pdev),
1652 ha->flags.enable_64bit_addressing ? '+': '-', ha->host_no,
1653 ha->isp_ops.fw_version_str(ha, fw_str));
1da177e4 1654
8482e118
AV		 1655 /* Go with fc_rport registration. */
1656 list_for_each_entry(fcport, &ha->fcports, list)
1657 qla2x00_reg_remote_port(ha, fcport);
1da177e4
LT		 1658
1659 return 0;
1660
1661probe_failed:
1662 qla2x00_free_device(ha);
1663
1664 scsi_host_put(host);
1665
1666probe_disable_device:
1667 pci_disable_device(pdev);
1668
a1541d5a
AV		 1669probe_out:
1670 return ret;
1da177e4 1671}
1da177e4 1672
7ee61397
AV		 1673static void __devexit
1674qla2x00_remove_one(struct pci_dev *pdev)
1da177e4
LT		 1675{
1676 scsi_qla_host_t *ha;
1677
1678 ha = pci_get_drvdata(pdev);
1679
8482e118 1680 qla2x00_free_sysfs_attr(ha);
1da177e4 1681
bdf79621
AV		 1682 fc_remove_host(ha->host);
1683
1da177e4
LT		 1684 scsi_remove_host(ha->host);
1685
1686 qla2x00_free_device(ha);
1687
1688 scsi_host_put(ha->host);
1689
1690 pci_set_drvdata(pdev, NULL);
1691}
1da177e4
LT		 1692
1693static void
1694qla2x00_free_device(scsi_qla_host_t *ha)
1695{
1da177e4
LT		 1696 /* Disable timer */
1697 if (ha->timer_active)
1698 qla2x00_stop_timer(ha);
1699
1700 /* Kill the kernel thread for this host */
39a11240
CH		 1701 if (ha->dpc_thread) {
1702 struct task_struct *t = ha->dpc_thread;
1da177e4 1703
39a11240
CH		 1704 /*
1705 * qla2xxx_wake_dpc checks for ->dpc_thread
1706 * so we need to zero it out.
1707 */
1708 ha->dpc_thread = NULL;
1709 kthread_stop(t);
1da177e4
LT		 1710 }
1711
a7a167bf
AV		 1712 if (ha->eft)
1713 qla2x00_trace_control(ha, TC_DISABLE, 0, 0);
1714
f6ef3b18
AV		 1715 /* Stop currently executing firmware. */
1716 qla2x00_stop_firmware(ha);
1da177e4 1717
f6ef3b18
AV		 1718 /* turn-off interrupts on the card */
1719 if (ha->interrupts_on)
1720 ha->isp_ops.disable_intrs(ha);
1721
1722 qla2x00_mem_free(ha);
1da177e4
LT		 1723
1724 ha->flags.online = 0;
1725
1726 /* Detach interrupts */
77347ff7
ZB		 1727 if (ha->host->irq)
1728 free_irq(ha->host->irq, ha);
1da177e4
LT		 1729
1730 /* release io space registers */
1731 if (ha->iobase)
1732 iounmap(ha->iobase);
1733 pci_release_regions(ha->pdev);
1734
1735 pci_disable_device(ha->pdev);
1736}
1737
d97994dc
AV		 1738static inline void
1739qla2x00_schedule_rport_del(struct scsi_qla_host *ha, fc_port_t *fcport,
1740 int defer)
1741{
1742 unsigned long flags;
1743 struct fc_rport *rport;
1744
1745 if (!fcport->rport)
1746 return;
1747
1748 rport = fcport->rport;
1749 if (defer) {
1750 spin_lock_irqsave(&fcport->rport_lock, flags);
1751 fcport->drport = rport;
1752 fcport->rport = NULL;
387f96b4 1753 *(fc_port_t **)rport->dd_data = NULL;
d97994dc
AV		 1754 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1755 set_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags);
1756 } else {
1757 spin_lock_irqsave(&fcport->rport_lock, flags);
1758 fcport->rport = NULL;
387f96b4 1759 *(fc_port_t **)rport->dd_data = NULL;
d97994dc
AV		 1760 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1761 fc_remote_port_delete(rport);
1762 }
1763}
1764
1da177e4
LT		 1765/*
1766 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
1767 *
1768 * Input: ha = adapter block pointer. fcport = port structure pointer.
1769 *
1770 * Return: None.
1771 *
1772 * Context:
1773 */
1774void qla2x00_mark_device_lost(scsi_qla_host_t *ha, fc_port_t *fcport,
d97994dc 1775 int do_login, int defer)
1da177e4 1776{
d97994dc
AV		 1777 if (atomic_read(&fcport->state) == FCS_ONLINE)
1778 qla2x00_schedule_rport_del(ha, fcport, defer);
19a7b4ae 1779
fa2a1ce5 1780 /*
1da177e4
LT		 1781 * We may need to retry the login, so don't change the state of the
1782 * port but do the retries.
1783 */
1784 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
1785 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1786
1787 if (!do_login)
1788 return;
1789
1790 if (fcport->login_retry == 0) {
1791 fcport->login_retry = ha->login_retry_count;
1792 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
1793
1794 DEBUG(printk("scsi(%ld): Port login retry: "
1795 "%02x%02x%02x%02x%02x%02x%02x%02x, "
1796 "id = 0x%04x retry cnt=%d\n",
1797 ha->host_no,
1798 fcport->port_name[0],
1799 fcport->port_name[1],
1800 fcport->port_name[2],
1801 fcport->port_name[3],
1802 fcport->port_name[4],
1803 fcport->port_name[5],
1804 fcport->port_name[6],
1805 fcport->port_name[7],
1806 fcport->loop_id,
1807 fcport->login_retry));
1808 }
1809}
1810
1811/*
1812 * qla2x00_mark_all_devices_lost
1813 * Updates fcport state when device goes offline.
1814 *
1815 * Input:
1816 * ha = adapter block pointer.
1817 * fcport = port structure pointer.
1818 *
1819 * Return:
1820 * None.
1821 *
1822 * Context:
1823 */
1824void
d97994dc 1825qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha, int defer)
1da177e4
LT		 1826{
1827 fc_port_t *fcport;
1828
1829 list_for_each_entry(fcport, &ha->fcports, list) {
1830 if (fcport->port_type != FCT_TARGET)
1831 continue;
1832
1833 /*
1834 * No point in marking the device as lost, if the device is
1835 * already DEAD.
1836 */
1837 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
1838 continue;
d97994dc
AV		 1839 if (atomic_read(&fcport->state) == FCS_ONLINE)
1840 qla2x00_schedule_rport_del(ha, fcport, defer);
1da177e4
LT		 1841 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1842 }
d97994dc 1843
39a11240
CH		 1844 if (defer)
1845 qla2xxx_wake_dpc(ha);
1da177e4
LT		 1846}
1847
1848/*
1849* qla2x00_mem_alloc
1850* Allocates adapter memory.
1851*
1852* Returns:
1853* 0 = success.
1854* 1 = failure.
1855*/
1856static uint8_t
1857qla2x00_mem_alloc(scsi_qla_host_t *ha)
1858{
1859 char name[16];
1860 uint8_t status = 1;
1861 int retry= 10;
1862
1863 do {
1864 /*
1865 * This will loop only once if everything goes well, else some
1866 * number of retries will be performed to get around a kernel
1867 * bug where available mem is not allocated until after a
1868 * little delay and a retry.
1869 */
1870 ha->request_ring = dma_alloc_coherent(&ha->pdev->dev,
1871 (ha->request_q_length + 1) * sizeof(request_t),
1872 &ha->request_dma, GFP_KERNEL);
1873 if (ha->request_ring == NULL) {
1874 qla_printk(KERN_WARNING, ha,
1875 "Memory Allocation failed - request_ring\n");
1876
1877 qla2x00_mem_free(ha);
1878 msleep(100);
1879
1880 continue;
1881 }
1882
1883 ha->response_ring = dma_alloc_coherent(&ha->pdev->dev,
1884 (ha->response_q_length + 1) * sizeof(response_t),
1885 &ha->response_dma, GFP_KERNEL);
1886 if (ha->response_ring == NULL) {
1887 qla_printk(KERN_WARNING, ha,
1888 "Memory Allocation failed - response_ring\n");
1889
1890 qla2x00_mem_free(ha);
1891 msleep(100);
1892
1893 continue;
1894 }
1895
1896 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
1897 &ha->gid_list_dma, GFP_KERNEL);
1898 if (ha->gid_list == NULL) {
1899 qla_printk(KERN_WARNING, ha,
1900 "Memory Allocation failed - gid_list\n");
1901
1902 qla2x00_mem_free(ha);
1903 msleep(100);
1904
1905 continue;
1906 }
1907
cb63067a
AV		 1908 snprintf(name, sizeof(name), "%s_%ld", QLA2XXX_DRIVER_NAME,
1909 ha->host_no);
1da177e4
LT		 1910 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
1911 DMA_POOL_SIZE, 8, 0);
1912 if (ha->s_dma_pool == NULL) {
1913 qla_printk(KERN_WARNING, ha,
1914 "Memory Allocation failed - s_dma_pool\n");
1915
1916 qla2x00_mem_free(ha);
1917 msleep(100);
1918
1919 continue;
1920 }
1921
1922 /* get consistent memory allocated for init control block */
1923 ha->init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
1924 &ha->init_cb_dma);
1925 if (ha->init_cb == NULL) {
1926 qla_printk(KERN_WARNING, ha,
1927 "Memory Allocation failed - init_cb\n");
1928
1929 qla2x00_mem_free(ha);
1930 msleep(100);
1931
1932 continue;
1933 }
fca29703 1934 memset(ha->init_cb, 0, ha->init_cb_size);
1da177e4 1935
1da177e4
LT		 1936 if (qla2x00_allocate_sp_pool(ha)) {
1937 qla_printk(KERN_WARNING, ha,
1938 "Memory Allocation failed - "
1939 "qla2x00_allocate_sp_pool()\n");
1940
1941 qla2x00_mem_free(ha);
1942 msleep(100);
1943
1944 continue;
1945 }
1946
1947 /* Allocate memory for SNS commands */
1948 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1949 /* Get consistent memory allocated for SNS commands */
1950 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
1951 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma,
1952 GFP_KERNEL);
1953 if (ha->sns_cmd == NULL) {
1954 /* error */
1955 qla_printk(KERN_WARNING, ha,
1956 "Memory Allocation failed - sns_cmd\n");
1957
1958 qla2x00_mem_free(ha);
1959 msleep(100);
1960
1961 continue;
1962 }
1963 memset(ha->sns_cmd, 0, sizeof(struct sns_cmd_pkt));
1964 } else {
1965 /* Get consistent memory allocated for MS IOCB */
1966 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
1967 &ha->ms_iocb_dma);
1968 if (ha->ms_iocb == NULL) {
1969 /* error */
1970 qla_printk(KERN_WARNING, ha,
1971 "Memory Allocation failed - ms_iocb\n");
1972
1973 qla2x00_mem_free(ha);
1974 msleep(100);
1975
1976 continue;
1977 }
1978 memset(ha->ms_iocb, 0, sizeof(ms_iocb_entry_t));
1979
1980 /*
1981 * Get consistent memory allocated for CT SNS
1982 * commands
1983 */
1984 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
1985 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma,
1986 GFP_KERNEL);
1987 if (ha->ct_sns == NULL) {
1988 /* error */
1989 qla_printk(KERN_WARNING, ha,
1990 "Memory Allocation failed - ct_sns\n");
1991
1992 qla2x00_mem_free(ha);
1993 msleep(100);
1994
1995 continue;
1996 }
1997 memset(ha->ct_sns, 0, sizeof(struct ct_sns_pkt));
88729e53
AV		 1998
1999 if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
2000 /*
2001 * Get consistent memory allocated for SFP
2002 * block.
2003 */
2004 ha->sfp_data = dma_pool_alloc(ha->s_dma_pool,
2005 GFP_KERNEL, &ha->sfp_data_dma);
2006 if (ha->sfp_data == NULL) {
2007 qla_printk(KERN_WARNING, ha,
2008 "Memory Allocation failed - "
2009 "sfp_data\n");
2010
2011 qla2x00_mem_free(ha);
2012 msleep(100);
2013
2014 continue;
2015 }
2016 memset(ha->sfp_data, 0, SFP_BLOCK_SIZE);
2017 }
1da177e4
LT		 2018 }
2019
2020 /* Done all allocations without any error. */
2021 status = 0;
2022
2023 } while (retry-- && status != 0);
2024
2025 if (status) {
2026 printk(KERN_WARNING
2027 "%s(): **** FAILED ****\n", __func__);
2028 }
2029
2030 return(status);
2031}
2032
2033/*
2034* qla2x00_mem_free
2035* Frees all adapter allocated memory.
2036*
2037* Input:
2038* ha = adapter block pointer.
2039*/
2040static void
2041qla2x00_mem_free(scsi_qla_host_t *ha)
2042{
1da177e4
LT		 2043 struct list_head *fcpl, *fcptemp;
2044 fc_port_t *fcport;
1da177e4
LT		 2045
2046 if (ha == NULL) {
2047 /* error */
2048 DEBUG2(printk("%s(): ERROR invalid ha pointer.\n", __func__));
2049 return;
2050 }
2051
1da177e4
LT		 2052 /* free sp pool */
2053 qla2x00_free_sp_pool(ha);
2054
a7a167bf
AV		 2055 if (ha->fw_dump) {
2056 if (ha->eft)
2057 dma_free_coherent(&ha->pdev->dev,
2058 ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
2059 vfree(ha->fw_dump);
2060 }
2061
1da177e4
LT		 2062 if (ha->sns_cmd)
2063 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2064 ha->sns_cmd, ha->sns_cmd_dma);
2065
2066 if (ha->ct_sns)
2067 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2068 ha->ct_sns, ha->ct_sns_dma);
2069
88729e53
AV		 2070 if (ha->sfp_data)
2071 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2072
1da177e4
LT		 2073 if (ha->ms_iocb)
2074 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2075
1da177e4
LT		 2076 if (ha->init_cb)
2077 dma_pool_free(ha->s_dma_pool, ha->init_cb, ha->init_cb_dma);
2078
2079 if (ha->s_dma_pool)
2080 dma_pool_destroy(ha->s_dma_pool);
2081
1da177e4
LT		 2082 if (ha->gid_list)
2083 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2084 ha->gid_list_dma);
2085
2086 if (ha->response_ring)
2087 dma_free_coherent(&ha->pdev->dev,
2088 (ha->response_q_length + 1) * sizeof(response_t),
2089 ha->response_ring, ha->response_dma);
2090
2091 if (ha->request_ring)
2092 dma_free_coherent(&ha->pdev->dev,
2093 (ha->request_q_length + 1) * sizeof(request_t),
2094 ha->request_ring, ha->request_dma);
2095
a7a167bf
AV		 2096 ha->eft = NULL;
2097 ha->eft_dma = 0;
1da177e4
LT		 2098 ha->sns_cmd = NULL;
2099 ha->sns_cmd_dma = 0;
2100 ha->ct_sns = NULL;
2101 ha->ct_sns_dma = 0;
2102 ha->ms_iocb = NULL;
2103 ha->ms_iocb_dma = 0;
1da177e4
LT		 2104 ha->init_cb = NULL;
2105 ha->init_cb_dma = 0;
2106
2107 ha->s_dma_pool = NULL;
2108
1da177e4
LT		 2109 ha->gid_list = NULL;
2110 ha->gid_list_dma = 0;
2111
2112 ha->response_ring = NULL;
2113 ha->response_dma = 0;
2114 ha->request_ring = NULL;
2115 ha->request_dma = 0;
2116
2117 list_for_each_safe(fcpl, fcptemp, &ha->fcports) {
2118 fcport = list_entry(fcpl, fc_port_t, list);
2119
1da177e4
LT		 2120 /* fc ports */
2121 list_del_init(&fcport->list);
2122 kfree(fcport);
2123 }
2124 INIT_LIST_HEAD(&ha->fcports);
2125
1da177e4 2126 ha->fw_dump = NULL;
fca29703 2127 ha->fw_dumped = 0;
1da177e4 2128 ha->fw_dump_reading = 0;
854165f4
AV		 2129
2130 vfree(ha->optrom_buffer);
1da177e4
LT		 2131}
2132
2133/*
2134 * qla2x00_allocate_sp_pool
2135 * This routine is called during initialization to allocate
2136 * memory for local srb_t.
2137 *
2138 * Input:
2139 * ha = adapter block pointer.
2140 *
2141 * Context:
2142 * Kernel context.
1da177e4
LT		 2143 */
2144static int
fa2a1ce5 2145qla2x00_allocate_sp_pool(scsi_qla_host_t *ha)
1da177e4
LT		 2146{
2147 int rval;
2148
2149 rval = QLA_SUCCESS;
93d2341c 2150 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
1da177e4
LT		 2151 if (ha->srb_mempool == NULL) {
2152 qla_printk(KERN_INFO, ha, "Unable to allocate SRB mempool.\n");
2153 rval = QLA_FUNCTION_FAILED;
2154 }
2155 return (rval);
2156}
2157
2158/*
2159 * This routine frees all adapter allocated memory.
fa2a1ce5 2160 *
1da177e4
LT		 2161 */
2162static void
fa2a1ce5 2163qla2x00_free_sp_pool( scsi_qla_host_t *ha)
1da177e4
LT		 2164{
2165 if (ha->srb_mempool) {
2166 mempool_destroy(ha->srb_mempool);
2167 ha->srb_mempool = NULL;
2168 }
2169}
2170
2171/**************************************************************************
2172* qla2x00_do_dpc
2173* This kernel thread is a task that is schedule by the interrupt handler
2174* to perform the background processing for interrupts.
2175*
2176* Notes:
2177* This task always run in the context of a kernel thread. It
2178* is kick-off by the driver's detect code and starts up
2179* up one per adapter. It immediately goes to sleep and waits for
2180* some fibre event. When either the interrupt handler or
2181* the timer routine detects a event it will one of the task
2182* bits then wake us up.
2183**************************************************************************/
2184static int
2185qla2x00_do_dpc(void *data)
2186{
1da177e4
LT		 2187 scsi_qla_host_t *ha;
2188 fc_port_t *fcport;
1da177e4 2189 uint8_t status;
1da177e4 2190 uint16_t next_loopid;
1da177e4
LT		 2191
2192 ha = (scsi_qla_host_t *)data;
2193
1da177e4
LT		 2194 set_user_nice(current, -20);
2195
39a11240 2196 while (!kthread_should_stop()) {
1da177e4
LT		 2197 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2198
39a11240
CH		 2199 set_current_state(TASK_INTERRUPTIBLE);
2200 schedule();
2201 __set_current_state(TASK_RUNNING);
1da177e4
LT		 2202
2203 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2204
2205 /* Initialization not yet finished. Don't do anything yet. */
39a11240 2206 if (!ha->flags.init_done)
1da177e4
LT		 2207 continue;
2208
2209 DEBUG3(printk("scsi(%ld): DPC handler\n", ha->host_no));
2210
2211 ha->dpc_active = 1;
2212
1da177e4 2213 if (ha->flags.mbox_busy) {
1da177e4
LT		 2214 ha->dpc_active = 0;
2215 continue;
2216 }
2217
2218 if (test_and_clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
2219
2220 DEBUG(printk("scsi(%ld): dpc: sched "
2221 "qla2x00_abort_isp ha = %p\n",
2222 ha->host_no, ha));
2223 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
2224 &ha->dpc_flags))) {
2225
2226 if (qla2x00_abort_isp(ha)) {
2227 /* failed. retry later */
2228 set_bit(ISP_ABORT_NEEDED,
2229 &ha->dpc_flags);
2230 }
2231 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2232 }
2233 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
2234 ha->host_no));
2235 }
2236
d97994dc
AV		 2237 if (test_and_clear_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags))
2238 qla2x00_update_fcports(ha);
2239
91ca7b01
AV		 2240 if (test_and_clear_bit(LOOP_RESET_NEEDED, &ha->dpc_flags)) {
2241 DEBUG(printk("scsi(%ld): dpc: sched loop_reset()\n",
2242 ha->host_no));
2243 qla2x00_loop_reset(ha);
2244 }
2245
1da177e4
LT		 2246 if (test_and_clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) &&
2247 (!(test_and_set_bit(RESET_ACTIVE, &ha->dpc_flags)))) {
2248
2249 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
2250 ha->host_no));
2251
2252 qla2x00_rst_aen(ha);
2253 clear_bit(RESET_ACTIVE, &ha->dpc_flags);
2254 }
2255
2256 /* Retry each device up to login retry count */
2257 if ((test_and_clear_bit(RELOGIN_NEEDED, &ha->dpc_flags)) &&
2258 !test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) &&
2259 atomic_read(&ha->loop_state) != LOOP_DOWN) {
2260
2261 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
2262 ha->host_no));
2263
2264 next_loopid = 0;
2265 list_for_each_entry(fcport, &ha->fcports, list) {
1da177e4
LT		 2266 /*
2267 * If the port is not ONLINE then try to login
2268 * to it if we haven't run out of retries.
2269 */
2270 if (atomic_read(&fcport->state) != FCS_ONLINE &&
2271 fcport->login_retry) {
2272
2273 fcport->login_retry--;
2274 if (fcport->flags & FCF_FABRIC_DEVICE) {
2275 if (fcport->flags &
2276 FCF_TAPE_PRESENT)
abbd8870 2277 ha->isp_ops.fabric_logout(
1c7c6357
AV		 2278 ha, fcport->loop_id,
2279 fcport->d_id.b.domain,
2280 fcport->d_id.b.area,
2281 fcport->d_id.b.al_pa);
1da177e4
LT		 2282 status = qla2x00_fabric_login(
2283 ha, fcport, &next_loopid);
2284 } else
2285 status =
2286 qla2x00_local_device_login(
9a52a57c 2287 ha, fcport);
1da177e4
LT		 2288
2289 if (status == QLA_SUCCESS) {
2290 fcport->old_loop_id = fcport->loop_id;
2291
2292 DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n",
2293 ha->host_no, fcport->loop_id));
fa2a1ce5 2294
052c40c8
AV		 2295 qla2x00_update_fcport(ha,
2296 fcport);
1da177e4
LT		 2297 } else if (status == 1) {
2298 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
2299 /* retry the login again */
2300 DEBUG(printk("scsi(%ld): Retrying %d login again loop_id 0x%x\n",
2301 ha->host_no,
2302 fcport->login_retry, fcport->loop_id));
2303 } else {
2304 fcport->login_retry = 0;
2305 }
2306 }
2307 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2308 break;
2309 }
2310 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
2311 ha->host_no));
2312 }
2313
2314 if ((test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags)) &&
2315 atomic_read(&ha->loop_state) != LOOP_DOWN) {
2316
2317 clear_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags);
2318 DEBUG(printk("scsi(%ld): qla2x00_login_retry()\n",
2319 ha->host_no));
fa2a1ce5 2320
1da177e4
LT		 2321 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
2322
2323 DEBUG(printk("scsi(%ld): qla2x00_login_retry - end\n",
2324 ha->host_no));
2325 }
2326
2327 if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
2328
2329 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
2330 ha->host_no));
2331
2332 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
2333 &ha->dpc_flags))) {
2334
2335 qla2x00_loop_resync(ha);
2336
2337 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
2338 }
2339
2340 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
2341 ha->host_no));
2342 }
2343
1da177e4
LT		 2344 if (test_and_clear_bit(FCPORT_RESCAN_NEEDED, &ha->dpc_flags)) {
2345
2346 DEBUG(printk("scsi(%ld): Rescan flagged fcports...\n",
2347 ha->host_no));
2348
2349 qla2x00_rescan_fcports(ha);
2350
2351 DEBUG(printk("scsi(%ld): Rescan flagged fcports..."
2352 "end.\n",
2353 ha->host_no));
2354 }
2355
1da177e4 2356 if (!ha->interrupts_on)
abbd8870 2357 ha->isp_ops.enable_intrs(ha);
1da177e4 2358
f6df144c
AV		 2359 if (test_and_clear_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags))
2360 ha->isp_ops.beacon_blink(ha);
2361
1da177e4
LT		 2362 ha->dpc_active = 0;
2363 } /* End of while(1) */
2364
2365 DEBUG(printk("scsi(%ld): DPC handler exiting\n", ha->host_no));
2366
2367 /*
2368 * Make sure that nobody tries to wake us up again.
2369 */
1da177e4
LT		 2370 ha->dpc_active = 0;
2371
39a11240
CH		 2372 return 0;
2373}
2374
2375void
2376qla2xxx_wake_dpc(scsi_qla_host_t *ha)
2377{
2378 if (ha->dpc_thread)
2379 wake_up_process(ha->dpc_thread);
1da177e4
LT		 2380}
2381
1da177e4
LT		 2382/*
2383* qla2x00_rst_aen
2384* Processes asynchronous reset.
2385*
2386* Input:
2387* ha = adapter block pointer.
2388*/
2389static void
fa2a1ce5 2390qla2x00_rst_aen(scsi_qla_host_t *ha)
1da177e4
LT		 2391{
2392 if (ha->flags.online && !ha->flags.reset_active &&
2393 !atomic_read(&ha->loop_down_timer) &&
2394 !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) {
2395 do {
2396 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
2397
2398 /*
2399 * Issue marker command only when we are going to start
2400 * the I/O.
2401 */
2402 ha->marker_needed = 1;
2403 } while (!atomic_read(&ha->loop_down_timer) &&
2404 (test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags)));
2405 }
2406}
2407
f4f051eb
AV		 2408static void
2409qla2x00_sp_free_dma(scsi_qla_host_t *ha, srb_t *sp)
2410{
2411 struct scsi_cmnd *cmd = sp->cmd;
2412
2413 if (sp->flags & SRB_DMA_VALID) {
2414 if (cmd->use_sg) {
2415 dma_unmap_sg(&ha->pdev->dev, cmd->request_buffer,
2416 cmd->use_sg, cmd->sc_data_direction);
2417 } else if (cmd->request_bufflen) {
2418 dma_unmap_single(&ha->pdev->dev, sp->dma_handle,
2419 cmd->request_bufflen, cmd->sc_data_direction);
2420 }
2421 sp->flags &= ~SRB_DMA_VALID;
2422 }
fca29703 2423 CMD_SP(cmd) = NULL;
f4f051eb
AV		 2424}
2425
2426void
2427qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *sp)
2428{
2429 struct scsi_cmnd *cmd = sp->cmd;
2430
2431 qla2x00_sp_free_dma(ha, sp);
2432
f4f051eb
AV		 2433 mempool_free(sp, ha->srb_mempool);
2434
2435 cmd->scsi_done(cmd);
2436}
bdf79621 2437
1da177e4
LT		 2438/**************************************************************************
2439* qla2x00_timer
2440*
2441* Description:
2442* One second timer
2443*
2444* Context: Interrupt
2445***************************************************************************/
2446static void
2447qla2x00_timer(scsi_qla_host_t *ha)
2448{
1da177e4
LT		 2449 unsigned long cpu_flags = 0;
2450 fc_port_t *fcport;
1da177e4
LT		 2451 int start_dpc = 0;
2452 int index;
2453 srb_t *sp;
f4f051eb 2454 int t;
1da177e4
LT		 2455
2456 /*
2457 * Ports - Port down timer.
2458 *
2459 * Whenever, a port is in the LOST state we start decrementing its port
2460 * down timer every second until it reaches zero. Once it reaches zero
fa2a1ce5 2461 * the port it marked DEAD.
1da177e4
LT		 2462 */
2463 t = 0;
2464 list_for_each_entry(fcport, &ha->fcports, list) {
2465 if (fcport->port_type != FCT_TARGET)
2466 continue;
2467
2468 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2469
2470 if (atomic_read(&fcport->port_down_timer) == 0)
2471 continue;
2472
fa2a1ce5 2473 if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
1da177e4 2474 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
fa2a1ce5 2475
1da177e4 2476 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
fca29703 2477 "%d remaining\n",
1da177e4
LT		 2478 ha->host_no,
2479 t, atomic_read(&fcport->port_down_timer)));
2480 }
2481 t++;
2482 } /* End of for fcport */
2483
1da177e4
LT		 2484
2485 /* Loop down handler. */
2486 if (atomic_read(&ha->loop_down_timer) > 0 &&
2487 !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) && ha->flags.online) {
2488
2489 if (atomic_read(&ha->loop_down_timer) ==
2490 ha->loop_down_abort_time) {
2491
2492 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2493 "queues before time expire\n",
2494 ha->host_no));
2495
2496 if (!IS_QLA2100(ha) && ha->link_down_timeout)
fa2a1ce5 2497 atomic_set(&ha->loop_state, LOOP_DEAD);
1da177e4
LT		 2498
2499 /* Schedule an ISP abort to return any tape commands. */
2500 spin_lock_irqsave(&ha->hardware_lock, cpu_flags);
2501 for (index = 1; index < MAX_OUTSTANDING_COMMANDS;
2502 index++) {
bdf79621
AV		 2503 fc_port_t *sfcp;
2504
1da177e4
LT		 2505 sp = ha->outstanding_cmds[index];
2506 if (!sp)
2507 continue;
bdf79621
AV		 2508 sfcp = sp->fcport;
2509 if (!(sfcp->flags & FCF_TAPE_PRESENT))
1da177e4
LT		 2510 continue;
2511
2512 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
2513 break;
2514 }
2515 spin_unlock_irqrestore(&ha->hardware_lock, cpu_flags);
2516
2517 set_bit(ABORT_QUEUES_NEEDED, &ha->dpc_flags);
2518 start_dpc++;
2519 }
2520
2521 /* if the loop has been down for 4 minutes, reinit adapter */
2522 if (atomic_dec_and_test(&ha->loop_down_timer) != 0) {
2523 DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - "
2524 "restarting queues.\n",
2525 ha->host_no));
2526
2527 set_bit(RESTART_QUEUES_NEEDED, &ha->dpc_flags);
2528 start_dpc++;
2529
2530 if (!(ha->device_flags & DFLG_NO_CABLE)) {
2531 DEBUG(printk("scsi(%ld): Loop down - "
2532 "aborting ISP.\n",
2533 ha->host_no));
2534 qla_printk(KERN_WARNING, ha,
2535 "Loop down - aborting ISP.\n");
2536
2537 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
2538 }
2539 }
fca29703 2540 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
1da177e4
LT		 2541 ha->host_no,
2542 atomic_read(&ha->loop_down_timer)));
2543 }
2544
f6df144c
AV		 2545 /* Check if beacon LED needs to be blinked */
2546 if (ha->beacon_blink_led == 1) {
2547 set_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags);
2548 start_dpc++;
2549 }
2550
1da177e4
LT		 2551 /* Schedule the DPC routine if needed */
2552 if ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) ||
2553 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) ||
91ca7b01 2554 test_bit(LOOP_RESET_NEEDED, &ha->dpc_flags) ||
d97994dc 2555 test_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags) ||
1da177e4
LT		 2556 start_dpc ||
2557 test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags) ||
f4f051eb 2558 test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) ||
f6df144c 2559 test_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags) ||
39a11240
CH		 2560 test_bit(RELOGIN_NEEDED, &ha->dpc_flags)))
2561 qla2xxx_wake_dpc(ha);
1da177e4
LT		 2562
2563 qla2x00_restart_timer(ha, WATCH_INTERVAL);
2564}
2565
1da177e4
LT		 2566/* XXX(hch): crude hack to emulate a down_timeout() */
2567int
2568qla2x00_down_timeout(struct semaphore *sema, unsigned long timeout)
2569{
fe74c71f
AV		 2570 const unsigned int step = 100; /* msecs */
2571 unsigned int iterations = jiffies_to_msecs(timeout)/100;
1da177e4
LT		 2572
2573 do {
2574 if (!down_trylock(sema))
2575 return 0;
fe74c71f 2576 if (msleep_interruptible(step))
1da177e4 2577 break;
fe74c71f 2578 } while (--iterations >= 0);
1da177e4
LT		 2579
2580 return -ETIMEDOUT;
2581}
2582
5433383e
AV		 2583/* Firmware interface routines. */
2584
48c02fde 2585#define FW_BLOBS 5
5433383e
AV		 2586#define FW_ISP21XX 0
2587#define FW_ISP22XX 1
2588#define FW_ISP2300 2
2589#define FW_ISP2322 3
48c02fde 2590#define FW_ISP24XX 4
5433383e 2591
bb8ee499
AV		 2592#define FW_FILE_ISP21XX "ql2100_fw.bin"
2593#define FW_FILE_ISP22XX "ql2200_fw.bin"
2594#define FW_FILE_ISP2300 "ql2300_fw.bin"
2595#define FW_FILE_ISP2322 "ql2322_fw.bin"
2596#define FW_FILE_ISP24XX "ql2400_fw.bin"
2597
5433383e
AV		 2598static DECLARE_MUTEX(qla_fw_lock);
2599
2600static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
bb8ee499
AV		 2601 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
2602 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
2603 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
2604 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
2605 { .name = FW_FILE_ISP24XX, },
5433383e
AV		 2606};
2607
2608struct fw_blob *
2609qla2x00_request_firmware(scsi_qla_host_t *ha)
2610{
2611 struct fw_blob *blob;
2612
2613 blob = NULL;
2614 if (IS_QLA2100(ha)) {
2615 blob = &qla_fw_blobs[FW_ISP21XX];
2616 } else if (IS_QLA2200(ha)) {
2617 blob = &qla_fw_blobs[FW_ISP22XX];
48c02fde 2618 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
5433383e 2619 blob = &qla_fw_blobs[FW_ISP2300];
48c02fde 2620 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
5433383e 2621 blob = &qla_fw_blobs[FW_ISP2322];
044cc6c8 2622 } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
5433383e
AV		 2623 blob = &qla_fw_blobs[FW_ISP24XX];
2624 }
2625
2626 down(&qla_fw_lock);
2627 if (blob->fw)
2628 goto out;
2629
2630 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
2631 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
2632 "(%s).\n", ha->host_no, blob->name));
2633 blob->fw = NULL;
2634 blob = NULL;
2635 goto out;
2636 }
2637
2638out:
2639 up(&qla_fw_lock);
2640 return blob;
2641}
2642
2643static void
2644qla2x00_release_firmware(void)
2645{
2646 int idx;
2647
2648 down(&qla_fw_lock);
2649 for (idx = 0; idx < FW_BLOBS; idx++)
2650 if (qla_fw_blobs[idx].fw)
2651 release_firmware(qla_fw_blobs[idx].fw);
2652 up(&qla_fw_lock);
2653}
2654
5433383e 2655static struct pci_device_id qla2xxx_pci_tbl[] = {
47f5e069
AV		 2656 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
2657 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
2658 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
2659 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
2660 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
2661 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
2662 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
2663 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
2664 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
2665 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
2666 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
5433383e
AV		 2667 { 0 },
2668};
2669MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
2670
fca29703 2671static struct pci_driver qla2xxx_pci_driver = {
cb63067a 2672 .name = QLA2XXX_DRIVER_NAME,
0a21ef1e
JB		 2673 .driver = {
2674 .owner = THIS_MODULE,
2675 },
fca29703 2676 .id_table = qla2xxx_pci_tbl,
7ee61397
AV		 2677 .probe = qla2x00_probe_one,
2678 .remove = __devexit_p(qla2x00_remove_one),
fca29703
AV		 2679};
2680
1da177e4
LT		 2681/**
2682 * qla2x00_module_init - Module initialization.
2683 **/
2684static int __init
2685qla2x00_module_init(void)
2686{
fca29703
AV		 2687 int ret = 0;
2688
1da177e4 2689 /* Allocate cache for SRBs. */
354d6b21 2690 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
1da177e4
LT		 2691 SLAB_HWCACHE_ALIGN, NULL, NULL);
2692 if (srb_cachep == NULL) {
2693 printk(KERN_ERR
2694 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
2695 return -ENOMEM;
2696 }
2697
2698 /* Derive version string. */
2699 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
d7a297ba 2700 if (qla2_extended_error_logging)
0181944f
AV		 2701 strcat(qla2x00_version_str, "-debug");
2702
1c97a12a
AV		 2703 qla2xxx_transport_template =
2704 fc_attach_transport(&qla2xxx_transport_functions);
1da177e4
LT		 2705 if (!qla2xxx_transport_template)
2706 return -ENODEV;
2707
2708 printk(KERN_INFO "QLogic Fibre Channel HBA Driver\n");
7ee61397 2709 ret = pci_register_driver(&qla2xxx_pci_driver);
fca29703
AV		 2710 if (ret) {
2711 kmem_cache_destroy(srb_cachep);
2712 fc_release_transport(qla2xxx_transport_template);
2713 }
2714 return ret;
1da177e4
LT		 2715}
2716
2717/**
2718 * qla2x00_module_exit - Module cleanup.
2719 **/
2720static void __exit
2721qla2x00_module_exit(void)
2722{
7ee61397 2723 pci_unregister_driver(&qla2xxx_pci_driver);
5433383e 2724 qla2x00_release_firmware();
354d6b21 2725 kmem_cache_destroy(srb_cachep);
1da177e4
LT		 2726 fc_release_transport(qla2xxx_transport_template);
2727}
2728
2729module_init(qla2x00_module_init);
2730module_exit(qla2x00_module_exit);
2731
2732MODULE_AUTHOR("QLogic Corporation");
2733MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
2734MODULE_LICENSE("GPL");
2735MODULE_VERSION(QLA2XXX_VERSION);
bb8ee499
AV		 2736MODULE_FIRMWARE(FW_FILE_ISP21XX);
2737MODULE_FIRMWARE(FW_FILE_ISP22XX);
2738MODULE_FIRMWARE(FW_FILE_ISP2300);
2739MODULE_FIRMWARE(FW_FILE_ISP2322);
2740MODULE_FIRMWARE(FW_FILE_ISP24XX);
Clone of davem's net-next-2.6 tree