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[SCSI] scsi: Scsi_Cmnd convertion in arm subtree
[deliverable/linux.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
0181944f
AV		 64int extended_error_logging;
65module_param(extended_error_logging, int, S_IRUGO|S_IRUSR);
66MODULE_PARM_DESC(extended_error_logging,
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 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 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 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 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 365 goto qc_fail_command;
366 }
1da177e4 367
387f96b4 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 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 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 397qc_host_busy_free_sp:
398 qla2x00_sp_free_dma(ha, sp);
f4f051eb 399 mempool_free(sp, ha->srb_mempool);
1da177e4 400
f4f051eb 401qc_host_busy_lock:
402 spin_lock_irq(ha->host->host_lock);
1da177e4 403
f4f051eb 404qc_host_busy:
405 return SCSI_MLQUEUE_HOST_BUSY;
1da177e4 406
f4f051eb 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 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 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 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
592/**************************************************************************
593* qla2xxx_eh_abort
594*
595* Description:
596* The abort function will abort the specified command.
597*
598* Input:
599* cmd = Linux SCSI command packet to be aborted.
600*
601* Returns:
602* Either SUCCESS or FAILED.
603*
604* Note:
2ea00202 605* Only return FAILED if command not returned by firmware.
1da177e4
LT		 606**************************************************************************/
607int
608qla2xxx_eh_abort(struct scsi_cmnd *cmd)
609{
f4f051eb 610 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
611 srb_t *sp;
612 int ret, i;
613 unsigned int id, lun;
614 unsigned long serial;
18e144d3 615 unsigned long flags;
2ea00202 616 int wait = 0;
1da177e4 617
f4f051eb 618 if (!CMD_SP(cmd))
2ea00202 619 return SUCCESS;
1da177e4 620
2ea00202 621 ret = SUCCESS;
1da177e4 622
f4f051eb 623 id = cmd->device->id;
624 lun = cmd->device->lun;
625 serial = cmd->serial_number;
1da177e4 626
f4f051eb 627 /* Check active list for command command. */
18e144d3 628 spin_lock_irqsave(&ha->hardware_lock, flags);
f4f051eb 629 for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
630 sp = ha->outstanding_cmds[i];
1da177e4 631
f4f051eb 632 if (sp == NULL)
633 continue;
1da177e4 634
f4f051eb 635 if (sp->cmd != cmd)
636 continue;
1da177e4 637
75bc4190
AV		 638 DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld.\n",
639 __func__, ha->host_no, sp, serial));
744f11fd 640 DEBUG3(qla2x00_print_scsi_cmd(cmd));
1da177e4 641
18e144d3 642 spin_unlock_irqrestore(&ha->hardware_lock, flags);
abbd8870 643 if (ha->isp_ops.abort_command(ha, sp)) {
f4f051eb 644 DEBUG2(printk("%s(%ld): abort_command "
645 "mbx failed.\n", __func__, ha->host_no));
646 } else {
647 DEBUG3(printk("%s(%ld): abort_command "
648 "mbx success.\n", __func__, ha->host_no));
2ea00202 649 wait = 1;
f4f051eb 650 }
18e144d3 651 spin_lock_irqsave(&ha->hardware_lock, flags);
1da177e4 652
f4f051eb 653 break;
654 }
18e144d3 655 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1da177e4 656
f4f051eb 657 /* Wait for the command to be returned. */
2ea00202 658 if (wait) {
f4f051eb 659 if (qla2x00_eh_wait_on_command(ha, cmd) != QLA_SUCCESS) {
fa2a1ce5 660 qla_printk(KERN_ERR, ha,
f4f051eb 661 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
662 "%x.\n", ha->host_no, id, lun, serial, ret);
2ea00202 663 ret = FAILED;
f4f051eb 664 }
1da177e4 665 }
1da177e4 666
fa2a1ce5 667 qla_printk(KERN_INFO, ha,
2ea00202
MR		 668 "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
669 ha->host_no, id, lun, wait, serial, ret);
1da177e4 670
f4f051eb 671 return ret;
672}
1da177e4 673
f4f051eb 674/**************************************************************************
675* qla2x00_eh_wait_for_pending_target_commands
676*
677* Description:
678* Waits for all the commands to come back from the specified target.
679*
680* Input:
681* ha - pointer to scsi_qla_host structure.
fa2a1ce5 682* t - target
f4f051eb 683* Returns:
684* Either SUCCESS or FAILED.
685*
686* Note:
687**************************************************************************/
688static int
689qla2x00_eh_wait_for_pending_target_commands(scsi_qla_host_t *ha, unsigned int t)
690{
691 int cnt;
692 int status;
693 srb_t *sp;
694 struct scsi_cmnd *cmd;
18e144d3 695 unsigned long flags;
1da177e4 696
f4f051eb 697 status = 0;
1da177e4
LT		 698
699 /*
f4f051eb 700 * Waiting for all commands for the designated target in the active
701 * array
1da177e4
LT		 702 */
703 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
18e144d3 704 spin_lock_irqsave(&ha->hardware_lock, flags);
1da177e4
LT		 705 sp = ha->outstanding_cmds[cnt];
706 if (sp) {
707 cmd = sp->cmd;
18e144d3 708 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1da177e4
LT		 709 if (cmd->device->id == t) {
710 if (!qla2x00_eh_wait_on_command(ha, cmd)) {
711 status = 1;
712 break;
713 }
714 }
f4f051eb 715 } else {
18e144d3 716 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1da177e4
LT		 717 }
718 }
719 return (status);
720}
721
722
723/**************************************************************************
724* qla2xxx_eh_device_reset
725*
726* Description:
727* The device reset function will reset the target and abort any
728* executing commands.
729*
730* NOTE: The use of SP is undefined within this context. Do *NOT*
fa2a1ce5 731* attempt to use this value, even if you determine it is
1da177e4
LT		 732* non-null.
733*
734* Input:
735* cmd = Linux SCSI command packet of the command that cause the
736* bus device reset.
737*
738* Returns:
739* SUCCESS/FAILURE (defined as macro in scsi.h).
740*
741**************************************************************************/
742int
743qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
744{
f4f051eb 745 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
bdf79621 746 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
f4f051eb 747 int ret;
748 unsigned int id, lun;
749 unsigned long serial;
1da177e4 750
f4f051eb 751 ret = FAILED;
1da177e4 752
f4f051eb 753 id = cmd->device->id;
754 lun = cmd->device->lun;
755 serial = cmd->serial_number;
1da177e4 756
b0328bee 757 if (!fcport)
f4f051eb 758 return ret;
1da177e4
LT		 759
760 qla_printk(KERN_INFO, ha,
f4f051eb 761 "scsi(%ld:%d:%d): DEVICE RESET ISSUED.\n", ha->host_no, id, lun);
1da177e4 762
94d0e7b8 763 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
1da177e4 764 goto eh_dev_reset_done;
1da177e4
LT		 765
766 if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
f4f051eb 767 if (qla2x00_device_reset(ha, fcport) == 0)
768 ret = SUCCESS;
1da177e4
LT		 769
770#if defined(LOGOUT_AFTER_DEVICE_RESET)
f4f051eb 771 if (ret == SUCCESS) {
772 if (fcport->flags & FC_FABRIC_DEVICE) {
abbd8870 773 ha->isp_ops.fabric_logout(ha, fcport->loop_id);
d97994dc 774 qla2x00_mark_device_lost(ha, fcport, 0, 0);
1da177e4
LT		 775 }
776 }
777#endif
778 } else {
779 DEBUG2(printk(KERN_INFO
744f11fd 780 "%s failed: loop not ready\n",__func__));
1da177e4
LT		 781 }
782
f4f051eb 783 if (ret == FAILED) {
1da177e4
LT		 784 DEBUG3(printk("%s(%ld): device reset failed\n",
785 __func__, ha->host_no));
786 qla_printk(KERN_INFO, ha, "%s: device reset failed\n",
787 __func__);
788
789 goto eh_dev_reset_done;
790 }
791
9a41a62b
AV		 792 /* Flush outstanding commands. */
793 if (qla2x00_eh_wait_for_pending_target_commands(ha, id))
794 ret = FAILED;
795 if (ret == FAILED) {
796 DEBUG3(printk("%s(%ld): failed while waiting for commands\n",
797 __func__, ha->host_no));
798 qla_printk(KERN_INFO, ha,
799 "%s: failed while waiting for commands\n", __func__);
800 } else
801 qla_printk(KERN_INFO, ha,
802 "scsi(%ld:%d:%d): DEVICE RESET SUCCEEDED.\n", ha->host_no,
803 id, lun);
28f22b03 804 eh_dev_reset_done:
f4f051eb 805 return ret;
1da177e4
LT		 806}
807
808/**************************************************************************
809* qla2x00_eh_wait_for_pending_commands
810*
811* Description:
812* Waits for all the commands to come back from the specified host.
813*
814* Input:
815* ha - pointer to scsi_qla_host structure.
816*
817* Returns:
818* 1 : SUCCESS
819* 0 : FAILED
820*
821* Note:
822**************************************************************************/
823static int
824qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha)
825{
826 int cnt;
827 int status;
828 srb_t *sp;
829 struct scsi_cmnd *cmd;
18e144d3 830 unsigned long flags;
1da177e4
LT		 831
832 status = 1;
833
834 /*
835 * Waiting for all commands for the designated target in the active
836 * array
837 */
838 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
18e144d3 839 spin_lock_irqsave(&ha->hardware_lock, flags);
1da177e4
LT		 840 sp = ha->outstanding_cmds[cnt];
841 if (sp) {
842 cmd = sp->cmd;
18e144d3 843 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1da177e4
LT		 844 status = qla2x00_eh_wait_on_command(ha, cmd);
845 if (status == 0)
846 break;
847 }
848 else {
18e144d3 849 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1da177e4
LT		 850 }
851 }
852 return (status);
853}
854
855
856/**************************************************************************
857* qla2xxx_eh_bus_reset
858*
859* Description:
860* The bus reset function will reset the bus and abort any executing
861* commands.
862*
863* Input:
864* cmd = Linux SCSI command packet of the command that cause the
865* bus reset.
866*
867* Returns:
868* SUCCESS/FAILURE (defined as macro in scsi.h).
869*
870**************************************************************************/
871int
872qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
873{
f4f051eb 874 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
bdf79621 875 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
f4f051eb 876 int ret;
877 unsigned int id, lun;
878 unsigned long serial;
879
880 ret = FAILED;
881
882 id = cmd->device->id;
883 lun = cmd->device->lun;
884 serial = cmd->serial_number;
1da177e4 885
b0328bee 886 if (!fcport)
f4f051eb 887 return ret;
1da177e4
LT		 888
889 qla_printk(KERN_INFO, ha,
f4f051eb 890 "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha->host_no, id, lun);
1da177e4 891
1da177e4
LT		 892 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) {
893 DEBUG2(printk("%s failed:board disabled\n",__func__));
f4f051eb 894 goto eh_bus_reset_done;
1da177e4
LT		 895 }
896
897 if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
f4f051eb 898 if (qla2x00_loop_reset(ha) == QLA_SUCCESS)
899 ret = SUCCESS;
1da177e4 900 }
f4f051eb 901 if (ret == FAILED)
902 goto eh_bus_reset_done;
1da177e4 903
9a41a62b
AV		 904 /* Flush outstanding commands. */
905 if (!qla2x00_eh_wait_for_pending_commands(ha))
906 ret = FAILED;
1da177e4 907
f4f051eb 908eh_bus_reset_done:
1da177e4 909 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
f4f051eb 910 (ret == FAILED) ? "failed" : "succeded");
1da177e4 911
f4f051eb 912 return ret;
1da177e4
LT		 913}
914
915/**************************************************************************
916* qla2xxx_eh_host_reset
917*
918* Description:
919* The reset function will reset the Adapter.
920*
921* Input:
922* cmd = Linux SCSI command packet of the command that cause the
923* adapter reset.
924*
925* Returns:
926* Either SUCCESS or FAILED.
927*
928* Note:
929**************************************************************************/
930int
931qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
932{
f4f051eb 933 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
bdf79621 934 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
f4f051eb 935 int ret;
936 unsigned int id, lun;
937 unsigned long serial;
1da177e4 938
f4f051eb 939 ret = FAILED;
940
941 id = cmd->device->id;
942 lun = cmd->device->lun;
943 serial = cmd->serial_number;
944
b0328bee 945 if (!fcport)
f4f051eb 946 return ret;
1da177e4 947
1da177e4 948 qla_printk(KERN_INFO, ha,
f4f051eb 949 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha->host_no, id, lun);
1da177e4 950
1da177e4 951 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
f4f051eb 952 goto eh_host_reset_lock;
1da177e4
LT		 953
954 /*
955 * Fixme-may be dpc thread is active and processing
fa2a1ce5 956 * loop_resync,so wait a while for it to
1da177e4
LT		 957 * be completed and then issue big hammer.Otherwise
958 * it may cause I/O failure as big hammer marks the
959 * devices as lost kicking of the port_down_timer
960 * while dpc is stuck for the mailbox to complete.
961 */
1da177e4
LT		 962 qla2x00_wait_for_loop_ready(ha);
963 set_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
964 if (qla2x00_abort_isp(ha)) {
965 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
966 /* failed. schedule dpc to try */
967 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
968
969 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
f4f051eb 970 goto eh_host_reset_lock;
fa2a1ce5 971 }
1da177e4
LT		 972 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
973
1da177e4 974 /* Waiting for our command in done_queue to be returned to OS.*/
f4f051eb 975 if (qla2x00_eh_wait_for_pending_commands(ha))
976 ret = SUCCESS;
1da177e4 977
f4f051eb 978eh_host_reset_lock:
f4f051eb 979 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
980 (ret == FAILED) ? "failed" : "succeded");
1da177e4 981
f4f051eb 982 return ret;
983}
1da177e4
LT		 984
985/*
986* qla2x00_loop_reset
987* Issue loop reset.
988*
989* Input:
990* ha = adapter block pointer.
991*
992* Returns:
993* 0 = success
994*/
995static int
996qla2x00_loop_reset(scsi_qla_host_t *ha)
997{
998 int status = QLA_SUCCESS;
bdf79621 999 struct fc_port *fcport;
1da177e4
LT		 1000
1001 if (ha->flags.enable_lip_reset) {
1002 status = qla2x00_lip_reset(ha);
1003 }
1004
1005 if (status == QLA_SUCCESS && ha->flags.enable_target_reset) {
bdf79621 1006 list_for_each_entry(fcport, &ha->fcports, list) {
1007 if (fcport->port_type != FCT_TARGET)
1da177e4
LT		 1008 continue;
1009
c00c72ae 1010 status = qla2x00_device_reset(ha, fcport);
bdf79621 1011 if (status != QLA_SUCCESS)
1da177e4 1012 break;
1da177e4
LT		 1013 }
1014 }
1015
1016 if (status == QLA_SUCCESS &&
fa2a1ce5 1017 ((!ha->flags.enable_target_reset &&
1da177e4
LT		 1018 !ha->flags.enable_lip_reset) ||
1019 ha->flags.enable_lip_full_login)) {
1020
1021 status = qla2x00_full_login_lip(ha);
1022 }
1023
1024 /* Issue marker command only when we are going to start the I/O */
1025 ha->marker_needed = 1;
1026
1027 if (status) {
1028 /* Empty */
1029 DEBUG2_3(printk("%s(%ld): **** FAILED ****\n",
1030 __func__,
744f11fd 1031 ha->host_no));
1da177e4
LT		 1032 } else {
1033 /* Empty */
1034 DEBUG3(printk("%s(%ld): exiting normally.\n",
1035 __func__,
744f11fd 1036 ha->host_no));
1da177e4
LT		 1037 }
1038
1039 return(status);
1040}
1041
1042/*
1043 * qla2x00_device_reset
1044 * Issue bus device reset message to the target.
1045 *
1046 * Input:
1047 * ha = adapter block pointer.
1048 * t = SCSI ID.
1049 * TARGET_QUEUE_LOCK must be released.
1050 * ADAPTER_STATE_LOCK must be released.
1051 *
1052 * Context:
1053 * Kernel context.
1054 */
1055static int
1056qla2x00_device_reset(scsi_qla_host_t *ha, fc_port_t *reset_fcport)
1057{
1058 /* Abort Target command will clear Reservation */
abbd8870 1059 return ha->isp_ops.abort_target(reset_fcport);
1da177e4
LT		 1060}
1061
f4f051eb 1062static int
1063qla2xxx_slave_alloc(struct scsi_device *sdev)
1da177e4 1064{
bdf79621 1065 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1da177e4 1066
19a7b4ae 1067 if (!rport || fc_remote_port_chkready(rport))
f4f051eb 1068 return -ENXIO;
bdf79621 1069
19a7b4ae 1070 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1da177e4 1071
f4f051eb 1072 return 0;
1073}
1da177e4 1074
f4f051eb 1075static int
1076qla2xxx_slave_configure(struct scsi_device *sdev)
1077{
8482e118 1078 scsi_qla_host_t *ha = to_qla_host(sdev->host);
1079 struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1080
f4f051eb 1081 if (sdev->tagged_supported)
1082 scsi_activate_tcq(sdev, 32);
1083 else
1084 scsi_deactivate_tcq(sdev, 32);
1da177e4 1085
8482e118 1086 rport->dev_loss_tmo = ha->port_down_retry_count + 5;
1087
f4f051eb 1088 return 0;
1089}
1da177e4 1090
f4f051eb 1091static void
1092qla2xxx_slave_destroy(struct scsi_device *sdev)
1093{
1094 sdev->hostdata = NULL;
1da177e4
LT		 1095}
1096
ce7e4af7
AV		 1097static int
1098qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
1099{
1100 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1101 return sdev->queue_depth;
1102}
1103
1104static int
1105qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1106{
1107 if (sdev->tagged_supported) {
1108 scsi_set_tag_type(sdev, tag_type);
1109 if (tag_type)
1110 scsi_activate_tcq(sdev, sdev->queue_depth);
1111 else
1112 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1113 } else
1114 tag_type = 0;
1115
1116 return tag_type;
1117}
1118
1da177e4
LT		 1119/**
1120 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1121 * @ha: HA context
1122 *
1123 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1124 * supported addressing method.
1125 */
1126static void
1127qla2x00_config_dma_addressing(scsi_qla_host_t *ha)
1128{
7524f9b9 1129 /* Assume a 32bit DMA mask. */
1da177e4 1130 ha->flags.enable_64bit_addressing = 0;
1da177e4 1131
7524f9b9
AV		 1132 if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) {
1133 /* Any upper-dword bits set? */
1134 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1135 !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) {
1136 /* Ok, a 64bit DMA mask is applicable. */
1da177e4 1137 ha->flags.enable_64bit_addressing = 1;
abbd8870
AV		 1138 ha->isp_ops.calc_req_entries = qla2x00_calc_iocbs_64;
1139 ha->isp_ops.build_iocbs = qla2x00_build_scsi_iocbs_64;
7524f9b9 1140 return;
1da177e4 1141 }
1da177e4 1142 }
7524f9b9
AV		 1143
1144 dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK);
1145 pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK);
1da177e4
LT		 1146}
1147
ea5b6382 1148static inline void
1149qla2x00_set_isp_flags(scsi_qla_host_t *ha)
1150{
1151 ha->device_type = DT_EXTENDED_IDS;
1152 switch (ha->pdev->device) {
1153 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1154 ha->device_type |= DT_ISP2100;
1155 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1156 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382 1157 break;
1158 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1159 ha->device_type |= DT_ISP2200;
1160 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1161 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382 1162 break;
1163 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1164 ha->device_type |= DT_ISP2300;
4a59f71d 1165 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1166 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1167 break;
1168 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1169 ha->device_type |= DT_ISP2312;
4a59f71d 1170 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1171 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1172 break;
1173 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1174 ha->device_type |= DT_ISP2322;
4a59f71d 1175 ha->device_type |= DT_ZIO_SUPPORTED;
ea5b6382 1176 if (ha->pdev->subsystem_vendor == 0x1028 &&
1177 ha->pdev->subsystem_device == 0x0170)
1178 ha->device_type |= DT_OEM_001;
441d1072 1179 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1180 break;
1181 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1182 ha->device_type |= DT_ISP6312;
441d1072 1183 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1184 break;
1185 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1186 ha->device_type |= DT_ISP6322;
441d1072 1187 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1188 break;
1189 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1190 ha->device_type |= DT_ISP2422;
4a59f71d 1191 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1192 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1193 break;
1194 case PCI_DEVICE_ID_QLOGIC_ISP2432:
1195 ha->device_type |= DT_ISP2432;
4a59f71d 1196 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1197 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1198 break;
044cc6c8 1199 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1200 ha->device_type |= DT_ISP5422;
441d1072 1201 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1202 break;
044cc6c8 1203 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1204 ha->device_type |= DT_ISP5432;
441d1072 1205 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1206 break;
1207 }
1208}
1209
1da177e4
LT		 1210static int
1211qla2x00_iospace_config(scsi_qla_host_t *ha)
1212{
1213 unsigned long pio, pio_len, pio_flags;
1214 unsigned long mmio, mmio_len, mmio_flags;
1215
1216 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1217 pio = pci_resource_start(ha->pdev, 0);
1218 pio_len = pci_resource_len(ha->pdev, 0);
1219 pio_flags = pci_resource_flags(ha->pdev, 0);
1220 if (pio_flags & IORESOURCE_IO) {
1221 if (pio_len < MIN_IOBASE_LEN) {
1222 qla_printk(KERN_WARNING, ha,
1223 "Invalid PCI I/O region size (%s)...\n",
1224 pci_name(ha->pdev));
1225 pio = 0;
1226 }
1227 } else {
1228 qla_printk(KERN_WARNING, ha,
1229 "region #0 not a PIO resource (%s)...\n",
1230 pci_name(ha->pdev));
1231 pio = 0;
1232 }
1233
1234 /* Use MMIO operations for all accesses. */
1235 mmio = pci_resource_start(ha->pdev, 1);
1236 mmio_len = pci_resource_len(ha->pdev, 1);
1237 mmio_flags = pci_resource_flags(ha->pdev, 1);
1238
1239 if (!(mmio_flags & IORESOURCE_MEM)) {
1240 qla_printk(KERN_ERR, ha,
1241 "region #0 not an MMIO resource (%s), aborting\n",
1242 pci_name(ha->pdev));
1243 goto iospace_error_exit;
1244 }
1245 if (mmio_len < MIN_IOBASE_LEN) {
1246 qla_printk(KERN_ERR, ha,
1247 "Invalid PCI mem region size (%s), aborting\n",
1248 pci_name(ha->pdev));
1249 goto iospace_error_exit;
1250 }
1251
cb63067a 1252 if (pci_request_regions(ha->pdev, QLA2XXX_DRIVER_NAME)) {
1da177e4
LT		 1253 qla_printk(KERN_WARNING, ha,
1254 "Failed to reserve PIO/MMIO regions (%s)\n",
1255 pci_name(ha->pdev));
1256
1257 goto iospace_error_exit;
1258 }
1259
1260 ha->pio_address = pio;
1261 ha->pio_length = pio_len;
1262 ha->iobase = ioremap(mmio, MIN_IOBASE_LEN);
1263 if (!ha->iobase) {
1264 qla_printk(KERN_ERR, ha,
1265 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1266
1267 goto iospace_error_exit;
1268 }
1269
1270 return (0);
1271
1272iospace_error_exit:
1273 return (-ENOMEM);
1274}
1275
abbd8870
AV		 1276static void
1277qla2x00_enable_intrs(scsi_qla_host_t *ha)
1278{
1279 unsigned long flags = 0;
3d71644c 1280 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
abbd8870
AV		 1281
1282 spin_lock_irqsave(&ha->hardware_lock, flags);
1283 ha->interrupts_on = 1;
1284 /* enable risc and host interrupts */
1285 WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1286 RD_REG_WORD(&reg->ictrl);
1287 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1288
1289}
1290
1291static void
1292qla2x00_disable_intrs(scsi_qla_host_t *ha)
1293{
1294 unsigned long flags = 0;
3d71644c 1295 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
abbd8870
AV		 1296
1297 spin_lock_irqsave(&ha->hardware_lock, flags);
1298 ha->interrupts_on = 0;
1299 /* disable risc and host interrupts */
1300 WRT_REG_WORD(&reg->ictrl, 0);
1301 RD_REG_WORD(&reg->ictrl);
1302 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1303}
1304
fca29703
AV		 1305static void
1306qla24xx_enable_intrs(scsi_qla_host_t *ha)
1307{
1308 unsigned long flags = 0;
1309 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1310
1311 spin_lock_irqsave(&ha->hardware_lock, flags);
1312 ha->interrupts_on = 1;
1313 WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1314 RD_REG_DWORD(&reg->ictrl);
1315 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1316}
1317
1318static void
1319qla24xx_disable_intrs(scsi_qla_host_t *ha)
1320{
1321 unsigned long flags = 0;
1322 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1323
1324 spin_lock_irqsave(&ha->hardware_lock, flags);
1325 ha->interrupts_on = 0;
1326 WRT_REG_DWORD(&reg->ictrl, 0);
1327 RD_REG_DWORD(&reg->ictrl);
1328 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1329}
1330
1da177e4
LT		 1331/*
1332 * PCI driver interface
1333 */
7ee61397
AV		 1334static int __devinit
1335qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1da177e4 1336{
a1541d5a 1337 int ret = -ENODEV;
fca29703 1338 device_reg_t __iomem *reg;
1da177e4
LT		 1339 struct Scsi_Host *host;
1340 scsi_qla_host_t *ha;
1341 unsigned long flags = 0;
1342 unsigned long wait_switch = 0;
1343 char pci_info[20];
1344 char fw_str[30];
8482e118 1345 fc_port_t *fcport;
5433383e 1346 struct scsi_host_template *sht;
1da177e4
LT		 1347
1348 if (pci_enable_device(pdev))
a1541d5a 1349 goto probe_out;
1da177e4 1350
5433383e
AV		 1351 sht = &qla2x00_driver_template;
1352 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
1353 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432)
1354 sht = &qla24xx_driver_template;
1355 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
1da177e4
LT		 1356 if (host == NULL) {
1357 printk(KERN_WARNING
1358 "qla2xxx: Couldn't allocate host from scsi layer!\n");
1359 goto probe_disable_device;
1360 }
1361
1362 /* Clear our data area */
1363 ha = (scsi_qla_host_t *)host->hostdata;
1364 memset(ha, 0, sizeof(scsi_qla_host_t));
1365
1366 ha->pdev = pdev;
1367 ha->host = host;
1368 ha->host_no = host->host_no;
cb63067a 1369 sprintf(ha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, ha->host_no);
1da177e4 1370
ea5b6382 1371 /* Set ISP-type information. */
1372 qla2x00_set_isp_flags(ha);
1373
1da177e4
LT		 1374 /* Configure PCI I/O space */
1375 ret = qla2x00_iospace_config(ha);
a1541d5a
AV		 1376 if (ret)
1377 goto probe_failed;
1da177e4 1378
1da177e4 1379 qla_printk(KERN_INFO, ha,
5433383e
AV		 1380 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1381 ha->iobase);
1da177e4
LT		 1382
1383 spin_lock_init(&ha->hardware_lock);
1384
1da177e4 1385 ha->prev_topology = 0;
fca29703 1386 ha->init_cb_size = sizeof(init_cb_t);
cca5335c 1387 ha->mgmt_svr_loop_id = MANAGEMENT_SERVER;
04414013 1388 ha->link_data_rate = LDR_UNKNOWN;
854165f4 1389 ha->optrom_size = OPTROM_SIZE_2300;
1da177e4 1390
abbd8870
AV		 1391 /* Assign ISP specific operations. */
1392 ha->isp_ops.pci_config = qla2100_pci_config;
1393 ha->isp_ops.reset_chip = qla2x00_reset_chip;
1394 ha->isp_ops.chip_diag = qla2x00_chip_diag;
1395 ha->isp_ops.config_rings = qla2x00_config_rings;
1396 ha->isp_ops.reset_adapter = qla2x00_reset_adapter;
1397 ha->isp_ops.nvram_config = qla2x00_nvram_config;
1398 ha->isp_ops.update_fw_options = qla2x00_update_fw_options;
0107109e 1399 ha->isp_ops.load_risc = qla2x00_load_risc;
abbd8870
AV		 1400 ha->isp_ops.pci_info_str = qla2x00_pci_info_str;
1401 ha->isp_ops.fw_version_str = qla2x00_fw_version_str;
1402 ha->isp_ops.intr_handler = qla2100_intr_handler;
1403 ha->isp_ops.enable_intrs = qla2x00_enable_intrs;
1404 ha->isp_ops.disable_intrs = qla2x00_disable_intrs;
1405 ha->isp_ops.abort_command = qla2x00_abort_command;
1406 ha->isp_ops.abort_target = qla2x00_abort_target;
1407 ha->isp_ops.fabric_login = qla2x00_login_fabric;
1408 ha->isp_ops.fabric_logout = qla2x00_fabric_logout;
1409 ha->isp_ops.calc_req_entries = qla2x00_calc_iocbs_32;
1410 ha->isp_ops.build_iocbs = qla2x00_build_scsi_iocbs_32;
1411 ha->isp_ops.prep_ms_iocb = qla2x00_prep_ms_iocb;
cca5335c 1412 ha->isp_ops.prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb;
459c5378
AV		 1413 ha->isp_ops.read_nvram = qla2x00_read_nvram_data;
1414 ha->isp_ops.write_nvram = qla2x00_write_nvram_data;
abbd8870 1415 ha->isp_ops.fw_dump = qla2100_fw_dump;
854165f4 1416 ha->isp_ops.read_optrom = qla2x00_read_optrom_data;
1417 ha->isp_ops.write_optrom = qla2x00_write_optrom_data;
1da177e4 1418 if (IS_QLA2100(ha)) {
354d6b21 1419 host->max_id = MAX_TARGETS_2100;
1da177e4
LT		 1420 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
1421 ha->request_q_length = REQUEST_ENTRY_CNT_2100;
1422 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1423 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
1424 host->sg_tablesize = 32;
abbd8870 1425 ha->gid_list_info_size = 4;
1da177e4 1426 } else if (IS_QLA2200(ha)) {
354d6b21 1427 host->max_id = MAX_TARGETS_2200;
1da177e4
LT		 1428 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1429 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1430 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1431 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
abbd8870 1432 ha->gid_list_info_size = 4;
fca29703 1433 } else if (IS_QLA23XX(ha)) {
354d6b21 1434 host->max_id = MAX_TARGETS_2200;
1da177e4
LT		 1435 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1436 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1437 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1438 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
abbd8870
AV		 1439 ha->isp_ops.pci_config = qla2300_pci_config;
1440 ha->isp_ops.intr_handler = qla2300_intr_handler;
1441 ha->isp_ops.fw_dump = qla2300_fw_dump;
f6df144c 1442 ha->isp_ops.beacon_on = qla2x00_beacon_on;
1443 ha->isp_ops.beacon_off = qla2x00_beacon_off;
1444 ha->isp_ops.beacon_blink = qla2x00_beacon_blink;
abbd8870 1445 ha->gid_list_info_size = 6;
854165f4 1446 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1447 ha->optrom_size = OPTROM_SIZE_2322;
044cc6c8 1448 } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
fca29703
AV		 1449 host->max_id = MAX_TARGETS_2200;
1450 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1451 ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
1452 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1453 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1454 ha->init_cb_size = sizeof(struct init_cb_24xx);
cca5335c 1455 ha->mgmt_svr_loop_id = 10;
fca29703
AV		 1456 ha->isp_ops.pci_config = qla24xx_pci_config;
1457 ha->isp_ops.reset_chip = qla24xx_reset_chip;
1458 ha->isp_ops.chip_diag = qla24xx_chip_diag;
1459 ha->isp_ops.config_rings = qla24xx_config_rings;
1460 ha->isp_ops.reset_adapter = qla24xx_reset_adapter;
1461 ha->isp_ops.nvram_config = qla24xx_nvram_config;
1462 ha->isp_ops.update_fw_options = qla24xx_update_fw_options;
5433383e 1463 ha->isp_ops.load_risc = qla24xx_load_risc;
fca29703
AV		 1464 ha->isp_ops.pci_info_str = qla24xx_pci_info_str;
1465 ha->isp_ops.fw_version_str = qla24xx_fw_version_str;
1466 ha->isp_ops.intr_handler = qla24xx_intr_handler;
1467 ha->isp_ops.enable_intrs = qla24xx_enable_intrs;
1468 ha->isp_ops.disable_intrs = qla24xx_disable_intrs;
1469 ha->isp_ops.abort_command = qla24xx_abort_command;
1470 ha->isp_ops.abort_target = qla24xx_abort_target;
1471 ha->isp_ops.fabric_login = qla24xx_login_fabric;
1472 ha->isp_ops.fabric_logout = qla24xx_fabric_logout;
1473 ha->isp_ops.prep_ms_iocb = qla24xx_prep_ms_iocb;
cca5335c 1474 ha->isp_ops.prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb;
fca29703
AV		 1475 ha->isp_ops.read_nvram = qla24xx_read_nvram_data;
1476 ha->isp_ops.write_nvram = qla24xx_write_nvram_data;
1477 ha->isp_ops.fw_dump = qla24xx_fw_dump;
854165f4 1478 ha->isp_ops.read_optrom = qla24xx_read_optrom_data;
1479 ha->isp_ops.write_optrom = qla24xx_write_optrom_data;
f6df144c 1480 ha->isp_ops.beacon_on = qla24xx_beacon_on;
1481 ha->isp_ops.beacon_off = qla24xx_beacon_off;
1482 ha->isp_ops.beacon_blink = qla24xx_beacon_blink;
fca29703 1483 ha->gid_list_info_size = 8;
854165f4 1484 ha->optrom_size = OPTROM_SIZE_24XX;
1da177e4
LT		 1485 }
1486 host->can_queue = ha->request_q_length + 128;
1487
1488 /* load the F/W, read paramaters, and init the H/W */
1489 ha->instance = num_hosts;
1490
1491 init_MUTEX(&ha->mbx_cmd_sem);
1492 init_MUTEX_LOCKED(&ha->mbx_intr_sem);
1493
1494 INIT_LIST_HEAD(&ha->list);
1495 INIT_LIST_HEAD(&ha->fcports);
1da177e4
LT		 1496
1497 /*
1498 * These locks are used to prevent more than one CPU
1499 * from modifying the queue at the same time. The
1500 * higher level "host_lock" will reduce most
1501 * contention for these locks.
1502 */
1503 spin_lock_init(&ha->mbx_reg_lock);
1da177e4 1504
1da177e4
LT		 1505 qla2x00_config_dma_addressing(ha);
1506 if (qla2x00_mem_alloc(ha)) {
1507 qla_printk(KERN_WARNING, ha,
1508 "[ERROR] Failed to allocate memory for adapter\n");
1509
a1541d5a
AV		 1510 ret = -ENOMEM;
1511 goto probe_failed;
1da177e4
LT		 1512 }
1513
1514 if (qla2x00_initialize_adapter(ha) &&
1515 !(ha->device_flags & DFLG_NO_CABLE)) {
1516
1517 qla_printk(KERN_WARNING, ha,
1518 "Failed to initialize adapter\n");
1519
1520 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1521 "Adapter flags %x.\n",
1522 ha->host_no, ha->device_flags));
1523
a1541d5a 1524 ret = -ENODEV;
1da177e4
LT		 1525 goto probe_failed;
1526 }
1527
1528 /*
1529 * Startup the kernel thread for this host adapter
1530 */
39a11240
CH		 1531 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
1532 "%s_dpc", ha->host_str);
1533 if (IS_ERR(ha->dpc_thread)) {
1da177e4
LT		 1534 qla_printk(KERN_WARNING, ha,
1535 "Unable to start DPC thread!\n");
39a11240 1536 ret = PTR_ERR(ha->dpc_thread);
1da177e4
LT		 1537 goto probe_failed;
1538 }
1da177e4 1539
a1541d5a
AV		 1540 host->this_id = 255;
1541 host->cmd_per_lun = 3;
1542 host->unique_id = ha->instance;
1543 host->max_cmd_len = MAX_CMDSZ;
75bc4190 1544 host->max_channel = MAX_BUSES - 1;
a1541d5a
AV		 1545 host->max_lun = MAX_LUNS;
1546 host->transportt = qla2xxx_transport_template;
1547
fca29703 1548 ret = request_irq(pdev->irq, ha->isp_ops.intr_handler,
1d6f359a 1549 IRQF_DISABLED|IRQF_SHARED, QLA2XXX_DRIVER_NAME, ha);
a1541d5a 1550 if (ret) {
1da177e4
LT		 1551 qla_printk(KERN_WARNING, ha,
1552 "Failed to reserve interrupt %d already in use.\n",
fca29703 1553 pdev->irq);
1da177e4
LT		 1554 goto probe_failed;
1555 }
fca29703 1556 host->irq = pdev->irq;
1da177e4
LT		 1557
1558 /* Initialized the timer */
1559 qla2x00_start_timer(ha, qla2x00_timer, WATCH_INTERVAL);
1560
1561 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
1562 ha->host_no, ha));
1563
abbd8870 1564 ha->isp_ops.disable_intrs(ha);
1da177e4 1565
1da177e4 1566 spin_lock_irqsave(&ha->hardware_lock, flags);
fca29703 1567 reg = ha->iobase;
044cc6c8 1568 if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
fca29703
AV		 1569 WRT_REG_DWORD(&reg->isp24.hccr, HCCRX_CLR_HOST_INT);
1570 WRT_REG_DWORD(&reg->isp24.hccr, HCCRX_CLR_RISC_INT);
1571 } else {
1572 WRT_REG_WORD(&reg->isp.semaphore, 0);
1573 WRT_REG_WORD(&reg->isp.hccr, HCCR_CLR_RISC_INT);
1574 WRT_REG_WORD(&reg->isp.hccr, HCCR_CLR_HOST_INT);
1575
1576 /* Enable proper parity */
1577 if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1578 if (IS_QLA2300(ha))
1579 /* SRAM parity */
1580 WRT_REG_WORD(&reg->isp.hccr,
1581 (HCCR_ENABLE_PARITY + 0x1));
1582 else
1583 /* SRAM, Instruction RAM and GP RAM parity */
1584 WRT_REG_WORD(&reg->isp.hccr,
1585 (HCCR_ENABLE_PARITY + 0x7));
1586 }
1da177e4
LT		 1587 }
1588 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1589
abbd8870 1590 ha->isp_ops.enable_intrs(ha);
1da177e4
LT		 1591
1592 /* v2.19.5b6 */
1593 /*
1594 * Wait around max loop_reset_delay secs for the devices to come
1595 * on-line. We don't want Linux scanning before we are ready.
1596 *
1597 */
1598 for (wait_switch = jiffies + (ha->loop_reset_delay * HZ);
1599 time_before(jiffies,wait_switch) &&
1600 !(ha->device_flags & (DFLG_NO_CABLE | DFLG_FABRIC_DEVICES))
1601 && (ha->device_flags & SWITCH_FOUND) ;) {
1602
1603 qla2x00_check_fabric_devices(ha);
1604
1605 msleep(10);
1606 }
1607
a1541d5a 1608 pci_set_drvdata(pdev, ha);
1da177e4
LT		 1609 ha->flags.init_done = 1;
1610 num_hosts++;
1611
a1541d5a
AV		 1612 ret = scsi_add_host(host, &pdev->dev);
1613 if (ret)
1614 goto probe_failed;
1615
1616 qla2x00_alloc_sysfs_attr(ha);
1617
1618 qla2x00_init_host_attr(ha);
1619
1da177e4
LT		 1620 qla_printk(KERN_INFO, ha, "\n"
1621 " QLogic Fibre Channel HBA Driver: %s\n"
1622 " QLogic %s - %s\n"
5433383e
AV		 1623 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
1624 qla2x00_version_str, ha->model_number,
1625 ha->model_desc ? ha->model_desc: "", pdev->device,
1626 ha->isp_ops.pci_info_str(ha, pci_info), pci_name(pdev),
1627 ha->flags.enable_64bit_addressing ? '+': '-', ha->host_no,
1628 ha->isp_ops.fw_version_str(ha, fw_str));
1da177e4 1629
8482e118 1630 /* Go with fc_rport registration. */
1631 list_for_each_entry(fcport, &ha->fcports, list)
1632 qla2x00_reg_remote_port(ha, fcport);
1da177e4
LT		 1633
1634 return 0;
1635
1636probe_failed:
1637 qla2x00_free_device(ha);
1638
1639 scsi_host_put(host);
1640
1641probe_disable_device:
1642 pci_disable_device(pdev);
1643
a1541d5a
AV		 1644probe_out:
1645 return ret;
1da177e4 1646}
1da177e4 1647
7ee61397
AV		 1648static void __devexit
1649qla2x00_remove_one(struct pci_dev *pdev)
1da177e4
LT		 1650{
1651 scsi_qla_host_t *ha;
1652
1653 ha = pci_get_drvdata(pdev);
1654
8482e118 1655 qla2x00_free_sysfs_attr(ha);
1da177e4 1656
bdf79621 1657 fc_remove_host(ha->host);
1658
1da177e4
LT		 1659 scsi_remove_host(ha->host);
1660
1661 qla2x00_free_device(ha);
1662
1663 scsi_host_put(ha->host);
1664
1665 pci_set_drvdata(pdev, NULL);
1666}
1da177e4
LT		 1667
1668static void
1669qla2x00_free_device(scsi_qla_host_t *ha)
1670{
1da177e4
LT		 1671 /* Disable timer */
1672 if (ha->timer_active)
1673 qla2x00_stop_timer(ha);
1674
1675 /* Kill the kernel thread for this host */
39a11240
CH		 1676 if (ha->dpc_thread) {
1677 struct task_struct *t = ha->dpc_thread;
1da177e4 1678
39a11240
CH		 1679 /*
1680 * qla2xxx_wake_dpc checks for ->dpc_thread
1681 * so we need to zero it out.
1682 */
1683 ha->dpc_thread = NULL;
1684 kthread_stop(t);
1da177e4
LT		 1685 }
1686
a7a167bf
AV		 1687 if (ha->eft)
1688 qla2x00_trace_control(ha, TC_DISABLE, 0, 0);
1689
f6ef3b18
AV		 1690 /* Stop currently executing firmware. */
1691 qla2x00_stop_firmware(ha);
1da177e4 1692
f6ef3b18
AV		 1693 /* turn-off interrupts on the card */
1694 if (ha->interrupts_on)
1695 ha->isp_ops.disable_intrs(ha);
1696
1697 qla2x00_mem_free(ha);
1da177e4
LT		 1698
1699 ha->flags.online = 0;
1700
1701 /* Detach interrupts */
77347ff7
ZB		 1702 if (ha->host->irq)
1703 free_irq(ha->host->irq, ha);
1da177e4
LT		 1704
1705 /* release io space registers */
1706 if (ha->iobase)
1707 iounmap(ha->iobase);
1708 pci_release_regions(ha->pdev);
1709
1710 pci_disable_device(ha->pdev);
1711}
1712
d97994dc 1713static inline void
1714qla2x00_schedule_rport_del(struct scsi_qla_host *ha, fc_port_t *fcport,
1715 int defer)
1716{
1717 unsigned long flags;
1718 struct fc_rport *rport;
1719
1720 if (!fcport->rport)
1721 return;
1722
1723 rport = fcport->rport;
1724 if (defer) {
1725 spin_lock_irqsave(&fcport->rport_lock, flags);
1726 fcport->drport = rport;
1727 fcport->rport = NULL;
387f96b4 1728 *(fc_port_t **)rport->dd_data = NULL;
d97994dc 1729 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1730 set_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags);
1731 } else {
1732 spin_lock_irqsave(&fcport->rport_lock, flags);
1733 fcport->rport = NULL;
387f96b4 1734 *(fc_port_t **)rport->dd_data = NULL;
d97994dc 1735 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1736 fc_remote_port_delete(rport);
1737 }
1738}
1739
1da177e4
LT		 1740/*
1741 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
1742 *
1743 * Input: ha = adapter block pointer. fcport = port structure pointer.
1744 *
1745 * Return: None.
1746 *
1747 * Context:
1748 */
1749void qla2x00_mark_device_lost(scsi_qla_host_t *ha, fc_port_t *fcport,
d97994dc 1750 int do_login, int defer)
1da177e4 1751{
d97994dc 1752 if (atomic_read(&fcport->state) == FCS_ONLINE)
1753 qla2x00_schedule_rport_del(ha, fcport, defer);
19a7b4ae 1754
fa2a1ce5 1755 /*
1da177e4
LT		 1756 * We may need to retry the login, so don't change the state of the
1757 * port but do the retries.
1758 */
1759 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
1760 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1761
1762 if (!do_login)
1763 return;
1764
1765 if (fcport->login_retry == 0) {
1766 fcport->login_retry = ha->login_retry_count;
1767 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
1768
1769 DEBUG(printk("scsi(%ld): Port login retry: "
1770 "%02x%02x%02x%02x%02x%02x%02x%02x, "
1771 "id = 0x%04x retry cnt=%d\n",
1772 ha->host_no,
1773 fcport->port_name[0],
1774 fcport->port_name[1],
1775 fcport->port_name[2],
1776 fcport->port_name[3],
1777 fcport->port_name[4],
1778 fcport->port_name[5],
1779 fcport->port_name[6],
1780 fcport->port_name[7],
1781 fcport->loop_id,
1782 fcport->login_retry));
1783 }
1784}
1785
1786/*
1787 * qla2x00_mark_all_devices_lost
1788 * Updates fcport state when device goes offline.
1789 *
1790 * Input:
1791 * ha = adapter block pointer.
1792 * fcport = port structure pointer.
1793 *
1794 * Return:
1795 * None.
1796 *
1797 * Context:
1798 */
1799void
d97994dc 1800qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha, int defer)
1da177e4
LT		 1801{
1802 fc_port_t *fcport;
1803
1804 list_for_each_entry(fcport, &ha->fcports, list) {
1805 if (fcport->port_type != FCT_TARGET)
1806 continue;
1807
1808 /*
1809 * No point in marking the device as lost, if the device is
1810 * already DEAD.
1811 */
1812 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
1813 continue;
d97994dc 1814 if (atomic_read(&fcport->state) == FCS_ONLINE)
1815 qla2x00_schedule_rport_del(ha, fcport, defer);
1da177e4
LT		 1816 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1817 }
d97994dc 1818
39a11240
CH		 1819 if (defer)
1820 qla2xxx_wake_dpc(ha);
1da177e4
LT		 1821}
1822
1823/*
1824* qla2x00_mem_alloc
1825* Allocates adapter memory.
1826*
1827* Returns:
1828* 0 = success.
1829* 1 = failure.
1830*/
1831static uint8_t
1832qla2x00_mem_alloc(scsi_qla_host_t *ha)
1833{
1834 char name[16];
1835 uint8_t status = 1;
1836 int retry= 10;
1837
1838 do {
1839 /*
1840 * This will loop only once if everything goes well, else some
1841 * number of retries will be performed to get around a kernel
1842 * bug where available mem is not allocated until after a
1843 * little delay and a retry.
1844 */
1845 ha->request_ring = dma_alloc_coherent(&ha->pdev->dev,
1846 (ha->request_q_length + 1) * sizeof(request_t),
1847 &ha->request_dma, GFP_KERNEL);
1848 if (ha->request_ring == NULL) {
1849 qla_printk(KERN_WARNING, ha,
1850 "Memory Allocation failed - request_ring\n");
1851
1852 qla2x00_mem_free(ha);
1853 msleep(100);
1854
1855 continue;
1856 }
1857
1858 ha->response_ring = dma_alloc_coherent(&ha->pdev->dev,
1859 (ha->response_q_length + 1) * sizeof(response_t),
1860 &ha->response_dma, GFP_KERNEL);
1861 if (ha->response_ring == NULL) {
1862 qla_printk(KERN_WARNING, ha,
1863 "Memory Allocation failed - response_ring\n");
1864
1865 qla2x00_mem_free(ha);
1866 msleep(100);
1867
1868 continue;
1869 }
1870
1871 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
1872 &ha->gid_list_dma, GFP_KERNEL);
1873 if (ha->gid_list == NULL) {
1874 qla_printk(KERN_WARNING, ha,
1875 "Memory Allocation failed - gid_list\n");
1876
1877 qla2x00_mem_free(ha);
1878 msleep(100);
1879
1880 continue;
1881 }
1882
cb63067a
AV		 1883 snprintf(name, sizeof(name), "%s_%ld", QLA2XXX_DRIVER_NAME,
1884 ha->host_no);
1da177e4
LT		 1885 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
1886 DMA_POOL_SIZE, 8, 0);
1887 if (ha->s_dma_pool == NULL) {
1888 qla_printk(KERN_WARNING, ha,
1889 "Memory Allocation failed - s_dma_pool\n");
1890
1891 qla2x00_mem_free(ha);
1892 msleep(100);
1893
1894 continue;
1895 }
1896
1897 /* get consistent memory allocated for init control block */
1898 ha->init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
1899 &ha->init_cb_dma);
1900 if (ha->init_cb == NULL) {
1901 qla_printk(KERN_WARNING, ha,
1902 "Memory Allocation failed - init_cb\n");
1903
1904 qla2x00_mem_free(ha);
1905 msleep(100);
1906
1907 continue;
1908 }
fca29703 1909 memset(ha->init_cb, 0, ha->init_cb_size);
1da177e4 1910
1da177e4
LT		 1911 if (qla2x00_allocate_sp_pool(ha)) {
1912 qla_printk(KERN_WARNING, ha,
1913 "Memory Allocation failed - "
1914 "qla2x00_allocate_sp_pool()\n");
1915
1916 qla2x00_mem_free(ha);
1917 msleep(100);
1918
1919 continue;
1920 }
1921
1922 /* Allocate memory for SNS commands */
1923 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1924 /* Get consistent memory allocated for SNS commands */
1925 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
1926 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma,
1927 GFP_KERNEL);
1928 if (ha->sns_cmd == NULL) {
1929 /* error */
1930 qla_printk(KERN_WARNING, ha,
1931 "Memory Allocation failed - sns_cmd\n");
1932
1933 qla2x00_mem_free(ha);
1934 msleep(100);
1935
1936 continue;
1937 }
1938 memset(ha->sns_cmd, 0, sizeof(struct sns_cmd_pkt));
1939 } else {
1940 /* Get consistent memory allocated for MS IOCB */
1941 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
1942 &ha->ms_iocb_dma);
1943 if (ha->ms_iocb == NULL) {
1944 /* error */
1945 qla_printk(KERN_WARNING, ha,
1946 "Memory Allocation failed - ms_iocb\n");
1947
1948 qla2x00_mem_free(ha);
1949 msleep(100);
1950
1951 continue;
1952 }
1953 memset(ha->ms_iocb, 0, sizeof(ms_iocb_entry_t));
1954
1955 /*
1956 * Get consistent memory allocated for CT SNS
1957 * commands
1958 */
1959 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
1960 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma,
1961 GFP_KERNEL);
1962 if (ha->ct_sns == NULL) {
1963 /* error */
1964 qla_printk(KERN_WARNING, ha,
1965 "Memory Allocation failed - ct_sns\n");
1966
1967 qla2x00_mem_free(ha);
1968 msleep(100);
1969
1970 continue;
1971 }
1972 memset(ha->ct_sns, 0, sizeof(struct ct_sns_pkt));
88729e53
AV		 1973
1974 if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
1975 /*
1976 * Get consistent memory allocated for SFP
1977 * block.
1978 */
1979 ha->sfp_data = dma_pool_alloc(ha->s_dma_pool,
1980 GFP_KERNEL, &ha->sfp_data_dma);
1981 if (ha->sfp_data == NULL) {
1982 qla_printk(KERN_WARNING, ha,
1983 "Memory Allocation failed - "
1984 "sfp_data\n");
1985
1986 qla2x00_mem_free(ha);
1987 msleep(100);
1988
1989 continue;
1990 }
1991 memset(ha->sfp_data, 0, SFP_BLOCK_SIZE);
1992 }
1da177e4
LT		 1993 }
1994
1995 /* Done all allocations without any error. */
1996 status = 0;
1997
1998 } while (retry-- && status != 0);
1999
2000 if (status) {
2001 printk(KERN_WARNING
2002 "%s(): **** FAILED ****\n", __func__);
2003 }
2004
2005 return(status);
2006}
2007
2008/*
2009* qla2x00_mem_free
2010* Frees all adapter allocated memory.
2011*
2012* Input:
2013* ha = adapter block pointer.
2014*/
2015static void
2016qla2x00_mem_free(scsi_qla_host_t *ha)
2017{
1da177e4
LT		 2018 struct list_head *fcpl, *fcptemp;
2019 fc_port_t *fcport;
1da177e4
LT		 2020
2021 if (ha == NULL) {
2022 /* error */
2023 DEBUG2(printk("%s(): ERROR invalid ha pointer.\n", __func__));
2024 return;
2025 }
2026
1da177e4
LT		 2027 /* free sp pool */
2028 qla2x00_free_sp_pool(ha);
2029
a7a167bf
AV		 2030 if (ha->fw_dump) {
2031 if (ha->eft)
2032 dma_free_coherent(&ha->pdev->dev,
2033 ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
2034 vfree(ha->fw_dump);
2035 }
2036
1da177e4
LT		 2037 if (ha->sns_cmd)
2038 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2039 ha->sns_cmd, ha->sns_cmd_dma);
2040
2041 if (ha->ct_sns)
2042 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2043 ha->ct_sns, ha->ct_sns_dma);
2044
88729e53
AV		 2045 if (ha->sfp_data)
2046 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2047
1da177e4
LT		 2048 if (ha->ms_iocb)
2049 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2050
1da177e4
LT		 2051 if (ha->init_cb)
2052 dma_pool_free(ha->s_dma_pool, ha->init_cb, ha->init_cb_dma);
2053
2054 if (ha->s_dma_pool)
2055 dma_pool_destroy(ha->s_dma_pool);
2056
1da177e4
LT		 2057 if (ha->gid_list)
2058 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2059 ha->gid_list_dma);
2060
2061 if (ha->response_ring)
2062 dma_free_coherent(&ha->pdev->dev,
2063 (ha->response_q_length + 1) * sizeof(response_t),
2064 ha->response_ring, ha->response_dma);
2065
2066 if (ha->request_ring)
2067 dma_free_coherent(&ha->pdev->dev,
2068 (ha->request_q_length + 1) * sizeof(request_t),
2069 ha->request_ring, ha->request_dma);
2070
a7a167bf
AV		 2071 ha->eft = NULL;
2072 ha->eft_dma = 0;
1da177e4
LT		 2073 ha->sns_cmd = NULL;
2074 ha->sns_cmd_dma = 0;
2075 ha->ct_sns = NULL;
2076 ha->ct_sns_dma = 0;
2077 ha->ms_iocb = NULL;
2078 ha->ms_iocb_dma = 0;
1da177e4
LT		 2079 ha->init_cb = NULL;
2080 ha->init_cb_dma = 0;
2081
2082 ha->s_dma_pool = NULL;
2083
1da177e4
LT		 2084 ha->gid_list = NULL;
2085 ha->gid_list_dma = 0;
2086
2087 ha->response_ring = NULL;
2088 ha->response_dma = 0;
2089 ha->request_ring = NULL;
2090 ha->request_dma = 0;
2091
2092 list_for_each_safe(fcpl, fcptemp, &ha->fcports) {
2093 fcport = list_entry(fcpl, fc_port_t, list);
2094
1da177e4
LT		 2095 /* fc ports */
2096 list_del_init(&fcport->list);
2097 kfree(fcport);
2098 }
2099 INIT_LIST_HEAD(&ha->fcports);
2100
1da177e4 2101 ha->fw_dump = NULL;
fca29703 2102 ha->fw_dumped = 0;
1da177e4 2103 ha->fw_dump_reading = 0;
854165f4 2104
2105 vfree(ha->optrom_buffer);
1da177e4
LT		 2106}
2107
2108/*
2109 * qla2x00_allocate_sp_pool
2110 * This routine is called during initialization to allocate
2111 * memory for local srb_t.
2112 *
2113 * Input:
2114 * ha = adapter block pointer.
2115 *
2116 * Context:
2117 * Kernel context.
1da177e4
LT		 2118 */
2119static int
fa2a1ce5 2120qla2x00_allocate_sp_pool(scsi_qla_host_t *ha)
1da177e4
LT		 2121{
2122 int rval;
2123
2124 rval = QLA_SUCCESS;
93d2341c 2125 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
1da177e4
LT		 2126 if (ha->srb_mempool == NULL) {
2127 qla_printk(KERN_INFO, ha, "Unable to allocate SRB mempool.\n");
2128 rval = QLA_FUNCTION_FAILED;
2129 }
2130 return (rval);
2131}
2132
2133/*
2134 * This routine frees all adapter allocated memory.
fa2a1ce5 2135 *
1da177e4
LT		 2136 */
2137static void
fa2a1ce5 2138qla2x00_free_sp_pool( scsi_qla_host_t *ha)
1da177e4
LT		 2139{
2140 if (ha->srb_mempool) {
2141 mempool_destroy(ha->srb_mempool);
2142 ha->srb_mempool = NULL;
2143 }
2144}
2145
2146/**************************************************************************
2147* qla2x00_do_dpc
2148* This kernel thread is a task that is schedule by the interrupt handler
2149* to perform the background processing for interrupts.
2150*
2151* Notes:
2152* This task always run in the context of a kernel thread. It
2153* is kick-off by the driver's detect code and starts up
2154* up one per adapter. It immediately goes to sleep and waits for
2155* some fibre event. When either the interrupt handler or
2156* the timer routine detects a event it will one of the task
2157* bits then wake us up.
2158**************************************************************************/
2159static int
2160qla2x00_do_dpc(void *data)
2161{
1da177e4
LT		 2162 scsi_qla_host_t *ha;
2163 fc_port_t *fcport;
1da177e4 2164 uint8_t status;
1da177e4 2165 uint16_t next_loopid;
1da177e4
LT		 2166
2167 ha = (scsi_qla_host_t *)data;
2168
1da177e4
LT		 2169 set_user_nice(current, -20);
2170
39a11240 2171 while (!kthread_should_stop()) {
1da177e4
LT		 2172 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2173
39a11240
CH		 2174 set_current_state(TASK_INTERRUPTIBLE);
2175 schedule();
2176 __set_current_state(TASK_RUNNING);
1da177e4
LT		 2177
2178 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2179
2180 /* Initialization not yet finished. Don't do anything yet. */
39a11240 2181 if (!ha->flags.init_done)
1da177e4
LT		 2182 continue;
2183
2184 DEBUG3(printk("scsi(%ld): DPC handler\n", ha->host_no));
2185
2186 ha->dpc_active = 1;
2187
1da177e4 2188 if (ha->flags.mbox_busy) {
1da177e4
LT		 2189 ha->dpc_active = 0;
2190 continue;
2191 }
2192
2193 if (test_and_clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
2194
2195 DEBUG(printk("scsi(%ld): dpc: sched "
2196 "qla2x00_abort_isp ha = %p\n",
2197 ha->host_no, ha));
2198 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
2199 &ha->dpc_flags))) {
2200
2201 if (qla2x00_abort_isp(ha)) {
2202 /* failed. retry later */
2203 set_bit(ISP_ABORT_NEEDED,
2204 &ha->dpc_flags);
2205 }
2206 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2207 }
2208 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
2209 ha->host_no));
2210 }
2211
d97994dc 2212 if (test_and_clear_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags))
2213 qla2x00_update_fcports(ha);
2214
91ca7b01
AV		 2215 if (test_and_clear_bit(LOOP_RESET_NEEDED, &ha->dpc_flags)) {
2216 DEBUG(printk("scsi(%ld): dpc: sched loop_reset()\n",
2217 ha->host_no));
2218 qla2x00_loop_reset(ha);
2219 }
2220
1da177e4
LT		 2221 if (test_and_clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) &&
2222 (!(test_and_set_bit(RESET_ACTIVE, &ha->dpc_flags)))) {
2223
2224 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
2225 ha->host_no));
2226
2227 qla2x00_rst_aen(ha);
2228 clear_bit(RESET_ACTIVE, &ha->dpc_flags);
2229 }
2230
2231 /* Retry each device up to login retry count */
2232 if ((test_and_clear_bit(RELOGIN_NEEDED, &ha->dpc_flags)) &&
2233 !test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) &&
2234 atomic_read(&ha->loop_state) != LOOP_DOWN) {
2235
2236 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
2237 ha->host_no));
2238
2239 next_loopid = 0;
2240 list_for_each_entry(fcport, &ha->fcports, list) {
1da177e4
LT		 2241 /*
2242 * If the port is not ONLINE then try to login
2243 * to it if we haven't run out of retries.
2244 */
2245 if (atomic_read(&fcport->state) != FCS_ONLINE &&
2246 fcport->login_retry) {
2247
2248 fcport->login_retry--;
2249 if (fcport->flags & FCF_FABRIC_DEVICE) {
2250 if (fcport->flags &
2251 FCF_TAPE_PRESENT)
abbd8870 2252 ha->isp_ops.fabric_logout(
1c7c6357
AV		 2253 ha, fcport->loop_id,
2254 fcport->d_id.b.domain,
2255 fcport->d_id.b.area,
2256 fcport->d_id.b.al_pa);
1da177e4
LT		 2257 status = qla2x00_fabric_login(
2258 ha, fcport, &next_loopid);
2259 } else
2260 status =
2261 qla2x00_local_device_login(
9a52a57c 2262 ha, fcport);
1da177e4
LT		 2263
2264 if (status == QLA_SUCCESS) {
2265 fcport->old_loop_id = fcport->loop_id;
2266
2267 DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n",
2268 ha->host_no, fcport->loop_id));
fa2a1ce5 2269
052c40c8 2270 qla2x00_update_fcport(ha,
2271 fcport);
1da177e4
LT		 2272 } else if (status == 1) {
2273 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
2274 /* retry the login again */
2275 DEBUG(printk("scsi(%ld): Retrying %d login again loop_id 0x%x\n",
2276 ha->host_no,
2277 fcport->login_retry, fcport->loop_id));
2278 } else {
2279 fcport->login_retry = 0;
2280 }
2281 }
2282 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2283 break;
2284 }
2285 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
2286 ha->host_no));
2287 }
2288
2289 if ((test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags)) &&
2290 atomic_read(&ha->loop_state) != LOOP_DOWN) {
2291
2292 clear_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags);
2293 DEBUG(printk("scsi(%ld): qla2x00_login_retry()\n",
2294 ha->host_no));
fa2a1ce5 2295
1da177e4
LT		 2296 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
2297
2298 DEBUG(printk("scsi(%ld): qla2x00_login_retry - end\n",
2299 ha->host_no));
2300 }
2301
2302 if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
2303
2304 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
2305 ha->host_no));
2306
2307 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
2308 &ha->dpc_flags))) {
2309
2310 qla2x00_loop_resync(ha);
2311
2312 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
2313 }
2314
2315 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
2316 ha->host_no));
2317 }
2318
1da177e4
LT		 2319 if (test_and_clear_bit(FCPORT_RESCAN_NEEDED, &ha->dpc_flags)) {
2320
2321 DEBUG(printk("scsi(%ld): Rescan flagged fcports...\n",
2322 ha->host_no));
2323
2324 qla2x00_rescan_fcports(ha);
2325
2326 DEBUG(printk("scsi(%ld): Rescan flagged fcports..."
2327 "end.\n",
2328 ha->host_no));
2329 }
2330
1da177e4 2331 if (!ha->interrupts_on)
abbd8870 2332 ha->isp_ops.enable_intrs(ha);
1da177e4 2333
f6df144c 2334 if (test_and_clear_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags))
2335 ha->isp_ops.beacon_blink(ha);
2336
1da177e4
LT		 2337 ha->dpc_active = 0;
2338 } /* End of while(1) */
2339
2340 DEBUG(printk("scsi(%ld): DPC handler exiting\n", ha->host_no));
2341
2342 /*
2343 * Make sure that nobody tries to wake us up again.
2344 */
1da177e4
LT		 2345 ha->dpc_active = 0;
2346
39a11240
CH		 2347 return 0;
2348}
2349
2350void
2351qla2xxx_wake_dpc(scsi_qla_host_t *ha)
2352{
2353 if (ha->dpc_thread)
2354 wake_up_process(ha->dpc_thread);
1da177e4
LT		 2355}
2356
1da177e4
LT		 2357/*
2358* qla2x00_rst_aen
2359* Processes asynchronous reset.
2360*
2361* Input:
2362* ha = adapter block pointer.
2363*/
2364static void
fa2a1ce5 2365qla2x00_rst_aen(scsi_qla_host_t *ha)
1da177e4
LT		 2366{
2367 if (ha->flags.online && !ha->flags.reset_active &&
2368 !atomic_read(&ha->loop_down_timer) &&
2369 !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) {
2370 do {
2371 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
2372
2373 /*
2374 * Issue marker command only when we are going to start
2375 * the I/O.
2376 */
2377 ha->marker_needed = 1;
2378 } while (!atomic_read(&ha->loop_down_timer) &&
2379 (test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags)));
2380 }
2381}
2382
f4f051eb 2383static void
2384qla2x00_sp_free_dma(scsi_qla_host_t *ha, srb_t *sp)
2385{
2386 struct scsi_cmnd *cmd = sp->cmd;
2387
2388 if (sp->flags & SRB_DMA_VALID) {
2389 if (cmd->use_sg) {
2390 dma_unmap_sg(&ha->pdev->dev, cmd->request_buffer,
2391 cmd->use_sg, cmd->sc_data_direction);
2392 } else if (cmd->request_bufflen) {
2393 dma_unmap_single(&ha->pdev->dev, sp->dma_handle,
2394 cmd->request_bufflen, cmd->sc_data_direction);
2395 }
2396 sp->flags &= ~SRB_DMA_VALID;
2397 }
fca29703 2398 CMD_SP(cmd) = NULL;
f4f051eb 2399}
2400
2401void
2402qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *sp)
2403{
2404 struct scsi_cmnd *cmd = sp->cmd;
2405
2406 qla2x00_sp_free_dma(ha, sp);
2407
f4f051eb 2408 mempool_free(sp, ha->srb_mempool);
2409
2410 cmd->scsi_done(cmd);
2411}
bdf79621 2412
1da177e4
LT		 2413/**************************************************************************
2414* qla2x00_timer
2415*
2416* Description:
2417* One second timer
2418*
2419* Context: Interrupt
2420***************************************************************************/
2421static void
2422qla2x00_timer(scsi_qla_host_t *ha)
2423{
1da177e4
LT		 2424 unsigned long cpu_flags = 0;
2425 fc_port_t *fcport;
1da177e4
LT		 2426 int start_dpc = 0;
2427 int index;
2428 srb_t *sp;
f4f051eb 2429 int t;
1da177e4
LT		 2430
2431 /*
2432 * Ports - Port down timer.
2433 *
2434 * Whenever, a port is in the LOST state we start decrementing its port
2435 * down timer every second until it reaches zero. Once it reaches zero
fa2a1ce5 2436 * the port it marked DEAD.
1da177e4
LT		 2437 */
2438 t = 0;
2439 list_for_each_entry(fcport, &ha->fcports, list) {
2440 if (fcport->port_type != FCT_TARGET)
2441 continue;
2442
2443 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2444
2445 if (atomic_read(&fcport->port_down_timer) == 0)
2446 continue;
2447
fa2a1ce5 2448 if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
1da177e4 2449 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
fa2a1ce5 2450
1da177e4 2451 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
fca29703 2452 "%d remaining\n",
1da177e4
LT		 2453 ha->host_no,
2454 t, atomic_read(&fcport->port_down_timer)));
2455 }
2456 t++;
2457 } /* End of for fcport */
2458
1da177e4
LT		 2459
2460 /* Loop down handler. */
2461 if (atomic_read(&ha->loop_down_timer) > 0 &&
2462 !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) && ha->flags.online) {
2463
2464 if (atomic_read(&ha->loop_down_timer) ==
2465 ha->loop_down_abort_time) {
2466
2467 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2468 "queues before time expire\n",
2469 ha->host_no));
2470
2471 if (!IS_QLA2100(ha) && ha->link_down_timeout)
fa2a1ce5 2472 atomic_set(&ha->loop_state, LOOP_DEAD);
1da177e4
LT		 2473
2474 /* Schedule an ISP abort to return any tape commands. */
2475 spin_lock_irqsave(&ha->hardware_lock, cpu_flags);
2476 for (index = 1; index < MAX_OUTSTANDING_COMMANDS;
2477 index++) {
bdf79621 2478 fc_port_t *sfcp;
2479
1da177e4
LT		 2480 sp = ha->outstanding_cmds[index];
2481 if (!sp)
2482 continue;
bdf79621 2483 sfcp = sp->fcport;
2484 if (!(sfcp->flags & FCF_TAPE_PRESENT))
1da177e4
LT		 2485 continue;
2486
2487 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
2488 break;
2489 }
2490 spin_unlock_irqrestore(&ha->hardware_lock, cpu_flags);
2491
2492 set_bit(ABORT_QUEUES_NEEDED, &ha->dpc_flags);
2493 start_dpc++;
2494 }
2495
2496 /* if the loop has been down for 4 minutes, reinit adapter */
2497 if (atomic_dec_and_test(&ha->loop_down_timer) != 0) {
2498 DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - "
2499 "restarting queues.\n",
2500 ha->host_no));
2501
2502 set_bit(RESTART_QUEUES_NEEDED, &ha->dpc_flags);
2503 start_dpc++;
2504
2505 if (!(ha->device_flags & DFLG_NO_CABLE)) {
2506 DEBUG(printk("scsi(%ld): Loop down - "
2507 "aborting ISP.\n",
2508 ha->host_no));
2509 qla_printk(KERN_WARNING, ha,
2510 "Loop down - aborting ISP.\n");
2511
2512 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
2513 }
2514 }
fca29703 2515 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
1da177e4
LT		 2516 ha->host_no,
2517 atomic_read(&ha->loop_down_timer)));
2518 }
2519
f6df144c 2520 /* Check if beacon LED needs to be blinked */
2521 if (ha->beacon_blink_led == 1) {
2522 set_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags);
2523 start_dpc++;
2524 }
2525
1da177e4
LT		 2526 /* Schedule the DPC routine if needed */
2527 if ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) ||
2528 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) ||
91ca7b01 2529 test_bit(LOOP_RESET_NEEDED, &ha->dpc_flags) ||
d97994dc 2530 test_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags) ||
1da177e4
LT		 2531 start_dpc ||
2532 test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags) ||
f4f051eb 2533 test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) ||
f6df144c 2534 test_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags) ||
39a11240
CH		 2535 test_bit(RELOGIN_NEEDED, &ha->dpc_flags)))
2536 qla2xxx_wake_dpc(ha);
1da177e4
LT		 2537
2538 qla2x00_restart_timer(ha, WATCH_INTERVAL);
2539}
2540
1da177e4
LT		 2541/* XXX(hch): crude hack to emulate a down_timeout() */
2542int
2543qla2x00_down_timeout(struct semaphore *sema, unsigned long timeout)
2544{
fe74c71f
AV		 2545 const unsigned int step = 100; /* msecs */
2546 unsigned int iterations = jiffies_to_msecs(timeout)/100;
1da177e4
LT		 2547
2548 do {
2549 if (!down_trylock(sema))
2550 return 0;
fe74c71f 2551 if (msleep_interruptible(step))
1da177e4 2552 break;
fe74c71f 2553 } while (--iterations >= 0);
1da177e4
LT		 2554
2555 return -ETIMEDOUT;
2556}
2557
5433383e
AV		 2558/* Firmware interface routines. */
2559
48c02fde 2560#define FW_BLOBS 5
5433383e
AV		 2561#define FW_ISP21XX 0
2562#define FW_ISP22XX 1
2563#define FW_ISP2300 2
2564#define FW_ISP2322 3
48c02fde 2565#define FW_ISP24XX 4
5433383e
AV		 2566
2567static DECLARE_MUTEX(qla_fw_lock);
2568
2569static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
2570 { .name = "ql2100_fw.bin", .segs = { 0x1000, 0 }, },
2571 { .name = "ql2200_fw.bin", .segs = { 0x1000, 0 }, },
2572 { .name = "ql2300_fw.bin", .segs = { 0x800, 0 }, },
2573 { .name = "ql2322_fw.bin", .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
5433383e
AV		 2574 { .name = "ql2400_fw.bin", },
2575};
2576
2577struct fw_blob *
2578qla2x00_request_firmware(scsi_qla_host_t *ha)
2579{
2580 struct fw_blob *blob;
2581
2582 blob = NULL;
2583 if (IS_QLA2100(ha)) {
2584 blob = &qla_fw_blobs[FW_ISP21XX];
2585 } else if (IS_QLA2200(ha)) {
2586 blob = &qla_fw_blobs[FW_ISP22XX];
48c02fde 2587 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
5433383e 2588 blob = &qla_fw_blobs[FW_ISP2300];
48c02fde 2589 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
5433383e 2590 blob = &qla_fw_blobs[FW_ISP2322];
044cc6c8 2591 } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
5433383e
AV		 2592 blob = &qla_fw_blobs[FW_ISP24XX];
2593 }
2594
2595 down(&qla_fw_lock);
2596 if (blob->fw)
2597 goto out;
2598
2599 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
2600 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
2601 "(%s).\n", ha->host_no, blob->name));
2602 blob->fw = NULL;
2603 blob = NULL;
2604 goto out;
2605 }
2606
2607out:
2608 up(&qla_fw_lock);
2609 return blob;
2610}
2611
2612static void
2613qla2x00_release_firmware(void)
2614{
2615 int idx;
2616
2617 down(&qla_fw_lock);
2618 for (idx = 0; idx < FW_BLOBS; idx++)
2619 if (qla_fw_blobs[idx].fw)
2620 release_firmware(qla_fw_blobs[idx].fw);
2621 up(&qla_fw_lock);
2622}
2623
5433383e 2624static struct pci_device_id qla2xxx_pci_tbl[] = {
47f5e069
AV		 2625 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
2626 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
2627 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
2628 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
2629 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
2630 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
2631 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
2632 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
2633 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
2634 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
2635 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
5433383e
AV		 2636 { 0 },
2637};
2638MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
2639
fca29703 2640static struct pci_driver qla2xxx_pci_driver = {
cb63067a 2641 .name = QLA2XXX_DRIVER_NAME,
0a21ef1e
JB		 2642 .driver = {
2643 .owner = THIS_MODULE,
2644 },
fca29703 2645 .id_table = qla2xxx_pci_tbl,
7ee61397
AV		 2646 .probe = qla2x00_probe_one,
2647 .remove = __devexit_p(qla2x00_remove_one),
fca29703
AV		 2648};
2649
1da177e4
LT		 2650/**
2651 * qla2x00_module_init - Module initialization.
2652 **/
2653static int __init
2654qla2x00_module_init(void)
2655{
fca29703
AV		 2656 int ret = 0;
2657
1da177e4 2658 /* Allocate cache for SRBs. */
354d6b21 2659 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
1da177e4
LT		 2660 SLAB_HWCACHE_ALIGN, NULL, NULL);
2661 if (srb_cachep == NULL) {
2662 printk(KERN_ERR
2663 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
2664 return -ENOMEM;
2665 }
2666
2667 /* Derive version string. */
2668 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
0181944f
AV		 2669 if (extended_error_logging)
2670 strcat(qla2x00_version_str, "-debug");
2671
1c97a12a
AV		 2672 qla2xxx_transport_template =
2673 fc_attach_transport(&qla2xxx_transport_functions);
1da177e4
LT		 2674 if (!qla2xxx_transport_template)
2675 return -ENODEV;
2676
2677 printk(KERN_INFO "QLogic Fibre Channel HBA Driver\n");
7ee61397 2678 ret = pci_register_driver(&qla2xxx_pci_driver);
fca29703
AV		 2679 if (ret) {
2680 kmem_cache_destroy(srb_cachep);
2681 fc_release_transport(qla2xxx_transport_template);
2682 }
2683 return ret;
1da177e4
LT		 2684}
2685
2686/**
2687 * qla2x00_module_exit - Module cleanup.
2688 **/
2689static void __exit
2690qla2x00_module_exit(void)
2691{
7ee61397 2692 pci_unregister_driver(&qla2xxx_pci_driver);
5433383e 2693 qla2x00_release_firmware();
354d6b21 2694 kmem_cache_destroy(srb_cachep);
1da177e4
LT		 2695 fc_release_transport(qla2xxx_transport_template);
2696}
2697
2698module_init(qla2x00_module_init);
2699module_exit(qla2x00_module_exit);
2700
2701MODULE_AUTHOR("QLogic Corporation");
2702MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
2703MODULE_LICENSE("GPL");
2704MODULE_VERSION(QLA2XXX_VERSION);
Linux kernel - Deliverables
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