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[SCSI] qla2xxx: Trace-Control naming cleanups.
[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 */
e18b890b 27static struct kmem_cache *srb_cachep;
1da177e4
LT		 28
29/*
30 * Ioctl related information.
31 */
2c3dfe3f 32int num_hosts;
1da177e4
LT		 33int ql2xlogintimeout = 20;
34module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR);
35MODULE_PARM_DESC(ql2xlogintimeout,
36 "Login timeout value in seconds.");
37
a7b61842 38int qlport_down_retry;
1da177e4
LT		 39module_param(qlport_down_retry, int, S_IRUGO|S_IRUSR);
40MODULE_PARM_DESC(qlport_down_retry,
900d9f98 41 "Maximum number of command retries to a port that returns "
1da177e4
LT		 42 "a PORT-DOWN status.");
43
1da177e4
LT		 44int ql2xplogiabsentdevice;
45module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
46MODULE_PARM_DESC(ql2xplogiabsentdevice,
47 "Option to enable PLOGI to devices that are not present after "
900d9f98 48 "a Fabric scan. This is needed for several broken switches. "
1da177e4
LT		 49 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
50
1da177e4
LT		 51int ql2xloginretrycount = 0;
52module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR);
53MODULE_PARM_DESC(ql2xloginretrycount,
54 "Specify an alternate value for the NVRAM login retry count.");
55
a7a167bf
AV		 56int ql2xallocfwdump = 1;
57module_param(ql2xallocfwdump, int, S_IRUGO|S_IRUSR);
58MODULE_PARM_DESC(ql2xallocfwdump,
59 "Option to enable allocation of memory for a firmware dump "
60 "during HBA initialization. Memory allocation requirements "
61 "vary by ISP type. Default is 1 - allocate memory.");
62
11010fec 63int ql2xextended_error_logging;
27d94035 64module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
11010fec 65MODULE_PARM_DESC(ql2xextended_error_logging,
0181944f
AV		 66 "Option to enable extended error logging, "
67 "Default is 0 - no logging. 1 - log errors.");
68
1da177e4
LT		 69static void qla2x00_free_device(scsi_qla_host_t *);
70
71static void qla2x00_config_dma_addressing(scsi_qla_host_t *ha);
72
cca5335c
AV		 73int ql2xfdmienable;
74module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR);
75MODULE_PARM_DESC(ql2xfdmienable,
76 "Enables FDMI registratons "
77 "Default is 0 - no FDMI. 1 - perfom FDMI.");
78
df7baa50
AV		 79#define MAX_Q_DEPTH 32
80static int ql2xmaxqdepth = MAX_Q_DEPTH;
81module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
82MODULE_PARM_DESC(ql2xmaxqdepth,
83 "Maximum queue depth to report for target devices.");
84
85int ql2xqfullrampup = 120;
86module_param(ql2xqfullrampup, int, S_IRUGO|S_IWUSR);
87MODULE_PARM_DESC(ql2xqfullrampup,
88 "Number of seconds to wait to begin to ramp-up the queue "
89 "depth for a device after a queue-full condition has been "
90 "detected. Default is 120 seconds.");
91
1da177e4 92/*
fa2a1ce5 93 * SCSI host template entry points
1da177e4
LT		 94 */
95static int qla2xxx_slave_configure(struct scsi_device * device);
f4f051eb 96static int qla2xxx_slave_alloc(struct scsi_device *);
1e99e33a
AV		 97static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
98static void qla2xxx_scan_start(struct Scsi_Host *);
f4f051eb 99static void qla2xxx_slave_destroy(struct scsi_device *);
1da177e4
LT		 100static int qla2x00_queuecommand(struct scsi_cmnd *cmd,
101 void (*fn)(struct scsi_cmnd *));
fca29703
AV		 102static int qla24xx_queuecommand(struct scsi_cmnd *cmd,
103 void (*fn)(struct scsi_cmnd *));
1da177e4
LT		 104static int qla2xxx_eh_abort(struct scsi_cmnd *);
105static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
106static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
107static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
1da177e4
LT		 108static int qla2x00_device_reset(scsi_qla_host_t *, fc_port_t *);
109
ce7e4af7
AV		 110static int qla2x00_change_queue_depth(struct scsi_device *, int);
111static int qla2x00_change_queue_type(struct scsi_device *, int);
112
a824ebb3 113static struct scsi_host_template qla2x00_driver_template = {
1da177e4 114 .module = THIS_MODULE,
cb63067a 115 .name = QLA2XXX_DRIVER_NAME,
1da177e4
LT		 116 .queuecommand = qla2x00_queuecommand,
117
118 .eh_abort_handler = qla2xxx_eh_abort,
119 .eh_device_reset_handler = qla2xxx_eh_device_reset,
120 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
121 .eh_host_reset_handler = qla2xxx_eh_host_reset,
122
123 .slave_configure = qla2xxx_slave_configure,
124
f4f051eb 125 .slave_alloc = qla2xxx_slave_alloc,
126 .slave_destroy = qla2xxx_slave_destroy,
1e99e33a
AV		 127 .scan_finished = qla2xxx_scan_finished,
128 .scan_start = qla2xxx_scan_start,
ce7e4af7
AV		 129 .change_queue_depth = qla2x00_change_queue_depth,
130 .change_queue_type = qla2x00_change_queue_type,
1da177e4
LT		 131 .this_id = -1,
132 .cmd_per_lun = 3,
133 .use_clustering = ENABLE_CLUSTERING,
9cb83c75 134 .use_sg_chaining = ENABLE_SG_CHAINING,
1da177e4
LT		 135 .sg_tablesize = SG_ALL,
136
137 /*
138 * The RISC allows for each command to transfer (2^32-1) bytes of data,
139 * which equates to 0x800000 sectors.
140 */
141 .max_sectors = 0xFFFF,
afb046e2 142 .shost_attrs = qla2x00_host_attrs,
1da177e4
LT		 143};
144
2c3dfe3f 145struct scsi_host_template qla24xx_driver_template = {
fca29703 146 .module = THIS_MODULE,
cb63067a 147 .name = QLA2XXX_DRIVER_NAME,
fca29703
AV		 148 .queuecommand = qla24xx_queuecommand,
149
150 .eh_abort_handler = qla2xxx_eh_abort,
151 .eh_device_reset_handler = qla2xxx_eh_device_reset,
152 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
153 .eh_host_reset_handler = qla2xxx_eh_host_reset,
154
155 .slave_configure = qla2xxx_slave_configure,
156
157 .slave_alloc = qla2xxx_slave_alloc,
158 .slave_destroy = qla2xxx_slave_destroy,
ed677086
AV		 159 .scan_finished = qla2xxx_scan_finished,
160 .scan_start = qla2xxx_scan_start,
ce7e4af7
AV		 161 .change_queue_depth = qla2x00_change_queue_depth,
162 .change_queue_type = qla2x00_change_queue_type,
fca29703
AV		 163 .this_id = -1,
164 .cmd_per_lun = 3,
165 .use_clustering = ENABLE_CLUSTERING,
9cb83c75 166 .use_sg_chaining = ENABLE_SG_CHAINING,
fca29703
AV		 167 .sg_tablesize = SG_ALL,
168
169 .max_sectors = 0xFFFF,
afb046e2 170 .shost_attrs = qla2x00_host_attrs,
fca29703
AV		 171};
172
1da177e4 173static struct scsi_transport_template *qla2xxx_transport_template = NULL;
2c3dfe3f 174struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
1da177e4 175
1da177e4
LT		 176/* TODO Convert to inlines
177 *
178 * Timer routines
179 */
1da177e4 180
2c3dfe3f 181__inline__ void
1da177e4
LT		 182qla2x00_start_timer(scsi_qla_host_t *ha, void *func, unsigned long interval)
183{
184 init_timer(&ha->timer);
185 ha->timer.expires = jiffies + interval * HZ;
186 ha->timer.data = (unsigned long)ha;
187 ha->timer.function = (void (*)(unsigned long))func;
188 add_timer(&ha->timer);
189 ha->timer_active = 1;
190}
191
192static inline void
193qla2x00_restart_timer(scsi_qla_host_t *ha, unsigned long interval)
194{
195 mod_timer(&ha->timer, jiffies + interval * HZ);
196}
197
a824ebb3 198static __inline__ void
1da177e4
LT		 199qla2x00_stop_timer(scsi_qla_host_t *ha)
200{
201 del_timer_sync(&ha->timer);
202 ha->timer_active = 0;
203}
204
1da177e4
LT		 205static int qla2x00_do_dpc(void *data);
206
207static void qla2x00_rst_aen(scsi_qla_host_t *);
208
a824ebb3
AB		 209static uint8_t qla2x00_mem_alloc(scsi_qla_host_t *);
210static void qla2x00_mem_free(scsi_qla_host_t *ha);
1da177e4
LT		 211static int qla2x00_allocate_sp_pool( scsi_qla_host_t *ha);
212static void qla2x00_free_sp_pool(scsi_qla_host_t *ha);
f4f051eb 213static void qla2x00_sp_free_dma(scsi_qla_host_t *, srb_t *);
1da177e4 214
1da177e4
LT		 215/* -------------------------------------------------------------------------- */
216
1da177e4 217static char *
abbd8870 218qla2x00_pci_info_str(struct scsi_qla_host *ha, char *str)
1da177e4
LT		 219{
220 static char *pci_bus_modes[] = {
221 "33", "66", "100", "133",
222 };
223 uint16_t pci_bus;
224
225 strcpy(str, "PCI");
226 pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
227 if (pci_bus) {
228 strcat(str, "-X (");
229 strcat(str, pci_bus_modes[pci_bus]);
230 } else {
231 pci_bus = (ha->pci_attr & BIT_8) >> 8;
232 strcat(str, " (");
233 strcat(str, pci_bus_modes[pci_bus]);
234 }
235 strcat(str, " MHz)");
236
237 return (str);
238}
239
fca29703
AV		 240static char *
241qla24xx_pci_info_str(struct scsi_qla_host *ha, char *str)
242{
243 static char *pci_bus_modes[] = { "33", "66", "100", "133", };
244 uint32_t pci_bus;
245 int pcie_reg;
246
247 pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
248 if (pcie_reg) {
249 char lwstr[6];
250 uint16_t pcie_lstat, lspeed, lwidth;
251
252 pcie_reg += 0x12;
253 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
254 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
255 lwidth = (pcie_lstat &
256 (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
257
258 strcpy(str, "PCIe (");
259 if (lspeed == 1)
260 strcat(str, "2.5Gb/s ");
c3a2f0df
AV		 261 else if (lspeed == 2)
262 strcat(str, "5.0Gb/s ");
fca29703
AV		 263 else
264 strcat(str, "<unknown> ");
265 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
266 strcat(str, lwstr);
267
268 return str;
269 }
270
271 strcpy(str, "PCI");
272 pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
273 if (pci_bus == 0 || pci_bus == 8) {
274 strcat(str, " (");
275 strcat(str, pci_bus_modes[pci_bus >> 3]);
276 } else {
277 strcat(str, "-X ");
278 if (pci_bus & BIT_2)
279 strcat(str, "Mode 2");
280 else
281 strcat(str, "Mode 1");
282 strcat(str, " (");
283 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
284 }
285 strcat(str, " MHz)");
286
287 return str;
288}
289
e5f82ab8 290static char *
abbd8870 291qla2x00_fw_version_str(struct scsi_qla_host *ha, char *str)
1da177e4
LT		 292{
293 char un_str[10];
fa2a1ce5 294
1da177e4
LT		 295 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
296 ha->fw_minor_version,
297 ha->fw_subminor_version);
298
299 if (ha->fw_attributes & BIT_9) {
300 strcat(str, "FLX");
301 return (str);
302 }
303
304 switch (ha->fw_attributes & 0xFF) {
305 case 0x7:
306 strcat(str, "EF");
307 break;
308 case 0x17:
309 strcat(str, "TP");
310 break;
311 case 0x37:
312 strcat(str, "IP");
313 break;
314 case 0x77:
315 strcat(str, "VI");
316 break;
317 default:
318 sprintf(un_str, "(%x)", ha->fw_attributes);
319 strcat(str, un_str);
320 break;
321 }
322 if (ha->fw_attributes & 0x100)
323 strcat(str, "X");
324
325 return (str);
326}
327
e5f82ab8 328static char *
fca29703
AV		 329qla24xx_fw_version_str(struct scsi_qla_host *ha, char *str)
330{
f0883ac6
AV		 331 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
332 ha->fw_minor_version,
333 ha->fw_subminor_version);
334
fca29703
AV		 335 if (ha->fw_attributes & BIT_0)
336 strcat(str, "[Class 2] ");
337 if (ha->fw_attributes & BIT_1)
338 strcat(str, "[IP] ");
339 if (ha->fw_attributes & BIT_2)
340 strcat(str, "[Multi-ID] ");
c3a2f0df
AV		 341 if (ha->fw_attributes & BIT_3)
342 strcat(str, "[SB-2] ");
343 if (ha->fw_attributes & BIT_4)
344 strcat(str, "[T10 CRC] ");
345 if (ha->fw_attributes & BIT_5)
346 strcat(str, "[VI] ");
fca29703
AV		 347 if (ha->fw_attributes & BIT_13)
348 strcat(str, "[Experimental]");
349 return str;
fca29703
AV		 350}
351
352static inline srb_t *
353qla2x00_get_new_sp(scsi_qla_host_t *ha, fc_port_t *fcport,
354 struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
355{
356 srb_t *sp;
357
358 sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
359 if (!sp)
360 return sp;
361
fca29703
AV		 362 sp->ha = ha;
363 sp->fcport = fcport;
364 sp->cmd = cmd;
365 sp->flags = 0;
366 CMD_SP(cmd) = (void *)sp;
367 cmd->scsi_done = done;
368
369 return sp;
370}
371
1da177e4 372static int
f4f051eb 373qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
1da177e4 374{
f363b943 375 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
bdf79621 376 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
19a7b4ae 377 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
f4f051eb 378 srb_t *sp;
379 int rval;
1da177e4 380
14e660e6
SJ		 381 if (unlikely(pci_channel_offline(ha->pdev))) {
382 cmd->result = DID_REQUEUE << 16;
383 goto qc_fail_command;
384 }
385
19a7b4ae
JSEC		 386 rval = fc_remote_port_chkready(rport);
387 if (rval) {
388 cmd->result = rval;
f4f051eb 389 goto qc_fail_command;
390 }
1da177e4 391
387f96b4 392 /* Close window on fcport/rport state-transitioning. */
393 if (!*(fc_port_t **)rport->dd_data) {
394 cmd->result = DID_IMM_RETRY << 16;
395 goto qc_fail_command;
396 }
397
f4f051eb 398 if (atomic_read(&fcport->state) != FCS_ONLINE) {
399 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
400 atomic_read(&ha->loop_state) == LOOP_DEAD) {
401 cmd->result = DID_NO_CONNECT << 16;
402 goto qc_fail_command;
403 }
404 goto qc_host_busy;
405 }
1da177e4
LT		 406
407 spin_unlock_irq(ha->host->host_lock);
408
fca29703
AV		 409 sp = qla2x00_get_new_sp(ha, fcport, cmd, done);
410 if (!sp)
f4f051eb 411 goto qc_host_busy_lock;
1da177e4 412
f4f051eb 413 rval = qla2x00_start_scsi(sp);
414 if (rval != QLA_SUCCESS)
415 goto qc_host_busy_free_sp;
1da177e4 416
f4f051eb 417 spin_lock_irq(ha->host->host_lock);
1da177e4 418
f4f051eb 419 return 0;
1da177e4 420
f4f051eb 421qc_host_busy_free_sp:
422 qla2x00_sp_free_dma(ha, sp);
f4f051eb 423 mempool_free(sp, ha->srb_mempool);
1da177e4 424
f4f051eb 425qc_host_busy_lock:
426 spin_lock_irq(ha->host->host_lock);
1da177e4 427
f4f051eb 428qc_host_busy:
429 return SCSI_MLQUEUE_HOST_BUSY;
1da177e4 430
f4f051eb 431qc_fail_command:
432 done(cmd);
1da177e4 433
f4f051eb 434 return 0;
1da177e4
LT		 435}
436
fca29703
AV		 437
438static int
439qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
440{
f363b943 441 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
fca29703 442 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
19a7b4ae 443 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
fca29703
AV		 444 srb_t *sp;
445 int rval;
2c3dfe3f 446 scsi_qla_host_t *pha = to_qla_parent(ha);
fca29703 447
14e660e6
SJ		 448 if (unlikely(pci_channel_offline(ha->pdev))) {
449 cmd->result = DID_REQUEUE << 16;
450 goto qc24_fail_command;
451 }
452
19a7b4ae
JSEC		 453 rval = fc_remote_port_chkready(rport);
454 if (rval) {
455 cmd->result = rval;
fca29703
AV		 456 goto qc24_fail_command;
457 }
458
387f96b4 459 /* Close window on fcport/rport state-transitioning. */
460 if (!*(fc_port_t **)rport->dd_data) {
461 cmd->result = DID_IMM_RETRY << 16;
462 goto qc24_fail_command;
463 }
464
fca29703
AV		 465 if (atomic_read(&fcport->state) != FCS_ONLINE) {
466 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
2c3dfe3f 467 atomic_read(&pha->loop_state) == LOOP_DEAD) {
fca29703
AV		 468 cmd->result = DID_NO_CONNECT << 16;
469 goto qc24_fail_command;
470 }
471 goto qc24_host_busy;
472 }
473
474 spin_unlock_irq(ha->host->host_lock);
475
2c3dfe3f 476 sp = qla2x00_get_new_sp(pha, fcport, cmd, done);
fca29703
AV		 477 if (!sp)
478 goto qc24_host_busy_lock;
479
480 rval = qla24xx_start_scsi(sp);
481 if (rval != QLA_SUCCESS)
482 goto qc24_host_busy_free_sp;
483
484 spin_lock_irq(ha->host->host_lock);
485
486 return 0;
487
488qc24_host_busy_free_sp:
2c3dfe3f
SJ		 489 qla2x00_sp_free_dma(pha, sp);
490 mempool_free(sp, pha->srb_mempool);
fca29703
AV		 491
492qc24_host_busy_lock:
493 spin_lock_irq(ha->host->host_lock);
494
495qc24_host_busy:
496 return SCSI_MLQUEUE_HOST_BUSY;
497
498qc24_fail_command:
499 done(cmd);
500
501 return 0;
502}
503
504
1da177e4
LT		 505/*
506 * qla2x00_eh_wait_on_command
507 * Waits for the command to be returned by the Firmware for some
508 * max time.
509 *
510 * Input:
511 * ha = actual ha whose done queue will contain the command
512 * returned by firmware.
513 * cmd = Scsi Command to wait on.
514 * flag = Abort/Reset(Bus or Device Reset)
515 *
516 * Return:
517 * Not Found : 0
518 * Found : 1
519 */
520static int
521qla2x00_eh_wait_on_command(scsi_qla_host_t *ha, struct scsi_cmnd *cmd)
522{
fe74c71f
AV		 523#define ABORT_POLLING_PERIOD 1000
524#define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
f4f051eb 525 unsigned long wait_iter = ABORT_WAIT_ITER;
526 int ret = QLA_SUCCESS;
1da177e4 527
f4f051eb 528 while (CMD_SP(cmd)) {
fe74c71f 529 msleep(ABORT_POLLING_PERIOD);
1da177e4 530
f4f051eb 531 if (--wait_iter)
532 break;
533 }
534 if (CMD_SP(cmd))
535 ret = QLA_FUNCTION_FAILED;
1da177e4 536
f4f051eb 537 return ret;
1da177e4
LT		 538}
539
540/*
541 * qla2x00_wait_for_hba_online
fa2a1ce5 542 * Wait till the HBA is online after going through
1da177e4
LT		 543 * <= MAX_RETRIES_OF_ISP_ABORT or
544 * finally HBA is disabled ie marked offline
545 *
546 * Input:
547 * ha - pointer to host adapter structure
fa2a1ce5
AV		 548 *
549 * Note:
1da177e4
LT		 550 * Does context switching-Release SPIN_LOCK
551 * (if any) before calling this routine.
552 *
553 * Return:
554 * Success (Adapter is online) : 0
555 * Failed (Adapter is offline/disabled) : 1
556 */
854165f4 557int
1da177e4
LT		 558qla2x00_wait_for_hba_online(scsi_qla_host_t *ha)
559{
fca29703
AV		 560 int return_status;
561 unsigned long wait_online;
2c3dfe3f 562 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4 563
fa2a1ce5 564 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
2c3dfe3f
SJ		 565 while (((test_bit(ISP_ABORT_NEEDED, &pha->dpc_flags)) ||
566 test_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags) ||
567 test_bit(ISP_ABORT_RETRY, &pha->dpc_flags) ||
568 pha->dpc_active) && time_before(jiffies, wait_online)) {
1da177e4
LT		 569
570 msleep(1000);
571 }
2c3dfe3f 572 if (pha->flags.online)
fa2a1ce5 573 return_status = QLA_SUCCESS;
1da177e4
LT		 574 else
575 return_status = QLA_FUNCTION_FAILED;
576
577 DEBUG2(printk("%s return_status=%d\n",__func__,return_status));
578
579 return (return_status);
580}
581
582/*
583 * qla2x00_wait_for_loop_ready
584 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
fa2a1ce5 585 * to be in LOOP_READY state.
1da177e4
LT		 586 * Input:
587 * ha - pointer to host adapter structure
fa2a1ce5
AV		 588 *
589 * Note:
1da177e4
LT		 590 * Does context switching-Release SPIN_LOCK
591 * (if any) before calling this routine.
fa2a1ce5 592 *
1da177e4
LT		 593 *
594 * Return:
595 * Success (LOOP_READY) : 0
596 * Failed (LOOP_NOT_READY) : 1
597 */
fa2a1ce5 598static inline int
1da177e4
LT		 599qla2x00_wait_for_loop_ready(scsi_qla_host_t *ha)
600{
601 int return_status = QLA_SUCCESS;
602 unsigned long loop_timeout ;
2c3dfe3f 603 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4
LT		 604
605 /* wait for 5 min at the max for loop to be ready */
fa2a1ce5 606 loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1da177e4 607
2c3dfe3f
SJ		 608 while ((!atomic_read(&pha->loop_down_timer) &&
609 atomic_read(&pha->loop_state) == LOOP_DOWN) ||
610 atomic_read(&pha->loop_state) != LOOP_READY) {
611 if (atomic_read(&pha->loop_state) == LOOP_DEAD) {
57680080
RA		 612 return_status = QLA_FUNCTION_FAILED;
613 break;
614 }
1da177e4
LT		 615 msleep(1000);
616 if (time_after_eq(jiffies, loop_timeout)) {
617 return_status = QLA_FUNCTION_FAILED;
618 break;
619 }
620 }
fa2a1ce5 621 return (return_status);
1da177e4
LT		 622}
623
07db5183
AV		 624static void
625qla2x00_block_error_handler(struct scsi_cmnd *cmnd)
626{
627 struct Scsi_Host *shost = cmnd->device->host;
628 struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device));
629 unsigned long flags;
630
631 spin_lock_irqsave(shost->host_lock, flags);
632 while (rport->port_state == FC_PORTSTATE_BLOCKED) {
633 spin_unlock_irqrestore(shost->host_lock, flags);
634 msleep(1000);
635 spin_lock_irqsave(shost->host_lock, flags);
636 }
637 spin_unlock_irqrestore(shost->host_lock, flags);
638 return;
639}
640
1da177e4
LT		 641/**************************************************************************
642* qla2xxx_eh_abort
643*
644* Description:
645* The abort function will abort the specified command.
646*
647* Input:
648* cmd = Linux SCSI command packet to be aborted.
649*
650* Returns:
651* Either SUCCESS or FAILED.
652*
653* Note:
2ea00202 654* Only return FAILED if command not returned by firmware.
1da177e4 655**************************************************************************/
e5f82ab8 656static int
1da177e4
LT		 657qla2xxx_eh_abort(struct scsi_cmnd *cmd)
658{
f363b943 659 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
f4f051eb 660 srb_t *sp;
661 int ret, i;
662 unsigned int id, lun;
663 unsigned long serial;
18e144d3 664 unsigned long flags;
2ea00202 665 int wait = 0;
2c3dfe3f 666 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4 667
07db5183
AV		 668 qla2x00_block_error_handler(cmd);
669
f4f051eb 670 if (!CMD_SP(cmd))
2ea00202 671 return SUCCESS;
1da177e4 672
2ea00202 673 ret = SUCCESS;
1da177e4 674
f4f051eb 675 id = cmd->device->id;
676 lun = cmd->device->lun;
677 serial = cmd->serial_number;
1da177e4 678
f4f051eb 679 /* Check active list for command command. */
2c3dfe3f 680 spin_lock_irqsave(&pha->hardware_lock, flags);
f4f051eb 681 for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
2c3dfe3f 682 sp = pha->outstanding_cmds[i];
1da177e4 683
f4f051eb 684 if (sp == NULL)
685 continue;
1da177e4 686
f4f051eb 687 if (sp->cmd != cmd)
688 continue;
1da177e4 689
75bc4190
AV		 690 DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld.\n",
691 __func__, ha->host_no, sp, serial));
744f11fd 692 DEBUG3(qla2x00_print_scsi_cmd(cmd));
1da177e4 693
2c3dfe3f 694 spin_unlock_irqrestore(&pha->hardware_lock, flags);
fd34f556 695 if (ha->isp_ops->abort_command(ha, sp)) {
f4f051eb 696 DEBUG2(printk("%s(%ld): abort_command "
697 "mbx failed.\n", __func__, ha->host_no));
698 } else {
699 DEBUG3(printk("%s(%ld): abort_command "
700 "mbx success.\n", __func__, ha->host_no));
2ea00202 701 wait = 1;
f4f051eb 702 }
2c3dfe3f 703 spin_lock_irqsave(&pha->hardware_lock, flags);
1da177e4 704
f4f051eb 705 break;
706 }
2c3dfe3f 707 spin_unlock_irqrestore(&pha->hardware_lock, flags);
1da177e4 708
f4f051eb 709 /* Wait for the command to be returned. */
2ea00202 710 if (wait) {
f4f051eb 711 if (qla2x00_eh_wait_on_command(ha, cmd) != QLA_SUCCESS) {
fa2a1ce5 712 qla_printk(KERN_ERR, ha,
f4f051eb 713 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
714 "%x.\n", ha->host_no, id, lun, serial, ret);
2ea00202 715 ret = FAILED;
f4f051eb 716 }
1da177e4 717 }
1da177e4 718
fa2a1ce5 719 qla_printk(KERN_INFO, ha,
2ea00202
MR		 720 "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
721 ha->host_no, id, lun, wait, serial, ret);
1da177e4 722
f4f051eb 723 return ret;
724}
1da177e4 725
f4f051eb 726/**************************************************************************
727* qla2x00_eh_wait_for_pending_target_commands
728*
729* Description:
730* Waits for all the commands to come back from the specified target.
731*
732* Input:
733* ha - pointer to scsi_qla_host structure.
fa2a1ce5 734* t - target
f4f051eb 735* Returns:
736* Either SUCCESS or FAILED.
737*
738* Note:
739**************************************************************************/
740static int
741qla2x00_eh_wait_for_pending_target_commands(scsi_qla_host_t *ha, unsigned int t)
742{
743 int cnt;
744 int status;
745 srb_t *sp;
746 struct scsi_cmnd *cmd;
18e144d3 747 unsigned long flags;
2c3dfe3f 748 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4 749
f4f051eb 750 status = 0;
1da177e4
LT		 751
752 /*
f4f051eb 753 * Waiting for all commands for the designated target in the active
754 * array
1da177e4
LT		 755 */
756 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
2c3dfe3f
SJ		 757 spin_lock_irqsave(&pha->hardware_lock, flags);
758 sp = pha->outstanding_cmds[cnt];
1da177e4
LT		 759 if (sp) {
760 cmd = sp->cmd;
2c3dfe3f
SJ		 761 spin_unlock_irqrestore(&pha->hardware_lock, flags);
762 if (cmd->device->id == t &&
763 ha->vp_idx == sp->ha->vp_idx) {
1da177e4
LT		 764 if (!qla2x00_eh_wait_on_command(ha, cmd)) {
765 status = 1;
766 break;
767 }
768 }
f4f051eb 769 } else {
2c3dfe3f 770 spin_unlock_irqrestore(&pha->hardware_lock, flags);
1da177e4
LT		 771 }
772 }
773 return (status);
774}
775
776
777/**************************************************************************
778* qla2xxx_eh_device_reset
779*
780* Description:
781* The device reset function will reset the target and abort any
782* executing commands.
783*
784* NOTE: The use of SP is undefined within this context. Do *NOT*
fa2a1ce5 785* attempt to use this value, even if you determine it is
1da177e4
LT		 786* non-null.
787*
788* Input:
789* cmd = Linux SCSI command packet of the command that cause the
790* bus device reset.
791*
792* Returns:
793* SUCCESS/FAILURE (defined as macro in scsi.h).
794*
795**************************************************************************/
e5f82ab8 796static int
1da177e4
LT		 797qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
798{
f363b943 799 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
bdf79621 800 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
2c3dfe3f 801 int ret = FAILED;
f4f051eb 802 unsigned int id, lun;
803 unsigned long serial;
1da177e4 804
07db5183
AV		 805 qla2x00_block_error_handler(cmd);
806
f4f051eb 807 id = cmd->device->id;
808 lun = cmd->device->lun;
809 serial = cmd->serial_number;
1da177e4 810
b0328bee 811 if (!fcport)
f4f051eb 812 return ret;
1da177e4
LT		 813
814 qla_printk(KERN_INFO, ha,
f4f051eb 815 "scsi(%ld:%d:%d): DEVICE RESET ISSUED.\n", ha->host_no, id, lun);
1da177e4 816
94d0e7b8 817 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
1da177e4 818 goto eh_dev_reset_done;
1da177e4
LT		 819
820 if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
f4f051eb 821 if (qla2x00_device_reset(ha, fcport) == 0)
822 ret = SUCCESS;
1da177e4
LT		 823
824#if defined(LOGOUT_AFTER_DEVICE_RESET)
f4f051eb 825 if (ret == SUCCESS) {
826 if (fcport->flags & FC_FABRIC_DEVICE) {
fd34f556 827 ha->isp_ops->fabric_logout(ha, fcport->loop_id);
d97994dc 828 qla2x00_mark_device_lost(ha, fcport, 0, 0);
1da177e4
LT		 829 }
830 }
831#endif
832 } else {
833 DEBUG2(printk(KERN_INFO
744f11fd 834 "%s failed: loop not ready\n",__func__));
1da177e4
LT		 835 }
836
f4f051eb 837 if (ret == FAILED) {
1da177e4
LT		 838 DEBUG3(printk("%s(%ld): device reset failed\n",
839 __func__, ha->host_no));
840 qla_printk(KERN_INFO, ha, "%s: device reset failed\n",
841 __func__);
842
843 goto eh_dev_reset_done;
844 }
845
9a41a62b
AV		 846 /* Flush outstanding commands. */
847 if (qla2x00_eh_wait_for_pending_target_commands(ha, id))
848 ret = FAILED;
849 if (ret == FAILED) {
850 DEBUG3(printk("%s(%ld): failed while waiting for commands\n",
851 __func__, ha->host_no));
852 qla_printk(KERN_INFO, ha,
853 "%s: failed while waiting for commands\n", __func__);
854 } else
855 qla_printk(KERN_INFO, ha,
856 "scsi(%ld:%d:%d): DEVICE RESET SUCCEEDED.\n", ha->host_no,
857 id, lun);
28f22b03 858 eh_dev_reset_done:
f4f051eb 859 return ret;
1da177e4
LT		 860}
861
862/**************************************************************************
863* qla2x00_eh_wait_for_pending_commands
864*
865* Description:
866* Waits for all the commands to come back from the specified host.
867*
868* Input:
869* ha - pointer to scsi_qla_host structure.
870*
871* Returns:
872* 1 : SUCCESS
873* 0 : FAILED
874*
875* Note:
876**************************************************************************/
877static int
878qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha)
879{
880 int cnt;
881 int status;
882 srb_t *sp;
883 struct scsi_cmnd *cmd;
18e144d3 884 unsigned long flags;
1da177e4
LT		 885
886 status = 1;
887
888 /*
889 * Waiting for all commands for the designated target in the active
890 * array
891 */
892 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
18e144d3 893 spin_lock_irqsave(&ha->hardware_lock, flags);
1da177e4
LT		 894 sp = ha->outstanding_cmds[cnt];
895 if (sp) {
896 cmd = sp->cmd;
18e144d3 897 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1da177e4
LT		 898 status = qla2x00_eh_wait_on_command(ha, cmd);
899 if (status == 0)
900 break;
901 }
902 else {
18e144d3 903 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1da177e4
LT		 904 }
905 }
906 return (status);
907}
908
909
910/**************************************************************************
911* qla2xxx_eh_bus_reset
912*
913* Description:
914* The bus reset function will reset the bus and abort any executing
915* commands.
916*
917* Input:
918* cmd = Linux SCSI command packet of the command that cause the
919* bus reset.
920*
921* Returns:
922* SUCCESS/FAILURE (defined as macro in scsi.h).
923*
924**************************************************************************/
e5f82ab8 925static int
1da177e4
LT		 926qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
927{
f363b943 928 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
2c3dfe3f 929 scsi_qla_host_t *pha = to_qla_parent(ha);
bdf79621 930 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
2c3dfe3f 931 int ret = FAILED;
f4f051eb 932 unsigned int id, lun;
933 unsigned long serial;
934
07db5183
AV		 935 qla2x00_block_error_handler(cmd);
936
f4f051eb 937 id = cmd->device->id;
938 lun = cmd->device->lun;
939 serial = cmd->serial_number;
1da177e4 940
b0328bee 941 if (!fcport)
f4f051eb 942 return ret;
1da177e4
LT		 943
944 qla_printk(KERN_INFO, ha,
f4f051eb 945 "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha->host_no, id, lun);
1da177e4 946
1da177e4
LT		 947 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) {
948 DEBUG2(printk("%s failed:board disabled\n",__func__));
f4f051eb 949 goto eh_bus_reset_done;
1da177e4
LT		 950 }
951
952 if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
f4f051eb 953 if (qla2x00_loop_reset(ha) == QLA_SUCCESS)
954 ret = SUCCESS;
1da177e4 955 }
f4f051eb 956 if (ret == FAILED)
957 goto eh_bus_reset_done;
1da177e4 958
9a41a62b 959 /* Flush outstanding commands. */
2c3dfe3f 960 if (!qla2x00_eh_wait_for_pending_commands(pha))
9a41a62b 961 ret = FAILED;
1da177e4 962
f4f051eb 963eh_bus_reset_done:
1da177e4 964 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
f4f051eb 965 (ret == FAILED) ? "failed" : "succeded");
1da177e4 966
f4f051eb 967 return ret;
1da177e4
LT		 968}
969
970/**************************************************************************
971* qla2xxx_eh_host_reset
972*
973* Description:
974* The reset function will reset the Adapter.
975*
976* Input:
977* cmd = Linux SCSI command packet of the command that cause the
978* adapter reset.
979*
980* Returns:
981* Either SUCCESS or FAILED.
982*
983* Note:
984**************************************************************************/
e5f82ab8 985static int
1da177e4
LT		 986qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
987{
f363b943 988 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
bdf79621 989 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
2c3dfe3f 990 int ret = FAILED;
f4f051eb 991 unsigned int id, lun;
992 unsigned long serial;
2c3dfe3f 993 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4 994
07db5183
AV		 995 qla2x00_block_error_handler(cmd);
996
f4f051eb 997 id = cmd->device->id;
998 lun = cmd->device->lun;
999 serial = cmd->serial_number;
1000
b0328bee 1001 if (!fcport)
f4f051eb 1002 return ret;
1da177e4 1003
1da177e4 1004 qla_printk(KERN_INFO, ha,
f4f051eb 1005 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha->host_no, id, lun);
1da177e4 1006
1da177e4 1007 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
f4f051eb 1008 goto eh_host_reset_lock;
1da177e4
LT		 1009
1010 /*
1011 * Fixme-may be dpc thread is active and processing
fa2a1ce5 1012 * loop_resync,so wait a while for it to
1da177e4
LT		 1013 * be completed and then issue big hammer.Otherwise
1014 * it may cause I/O failure as big hammer marks the
1015 * devices as lost kicking of the port_down_timer
1016 * while dpc is stuck for the mailbox to complete.
1017 */
1da177e4 1018 qla2x00_wait_for_loop_ready(ha);
2c3dfe3f
SJ		 1019 set_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
1020 if (qla2x00_abort_isp(pha)) {
1021 clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
1da177e4 1022 /* failed. schedule dpc to try */
2c3dfe3f 1023 set_bit(ISP_ABORT_NEEDED, &pha->dpc_flags);
1da177e4
LT		 1024
1025 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
f4f051eb 1026 goto eh_host_reset_lock;
fa2a1ce5 1027 }
2c3dfe3f 1028 clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
1da177e4 1029
1da177e4 1030 /* Waiting for our command in done_queue to be returned to OS.*/
2c3dfe3f 1031 if (qla2x00_eh_wait_for_pending_commands(pha))
f4f051eb 1032 ret = SUCCESS;
1da177e4 1033
2c3dfe3f
SJ		 1034 if (ha->parent)
1035 qla2x00_vp_abort_isp(ha);
1036
f4f051eb 1037eh_host_reset_lock:
f4f051eb 1038 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1039 (ret == FAILED) ? "failed" : "succeded");
1da177e4 1040
f4f051eb 1041 return ret;
1042}
1da177e4
LT		 1043
1044/*
1045* qla2x00_loop_reset
1046* Issue loop reset.
1047*
1048* Input:
1049* ha = adapter block pointer.
1050*
1051* Returns:
1052* 0 = success
1053*/
a4722cf2 1054int
1da177e4
LT		 1055qla2x00_loop_reset(scsi_qla_host_t *ha)
1056{
0c8c39af 1057 int ret;
bdf79621 1058 struct fc_port *fcport;
1da177e4 1059
0c8c39af
AV		 1060 if (ha->flags.enable_lip_full_login) {
1061 ret = qla2x00_full_login_lip(ha);
1062 if (ret != QLA_SUCCESS) {
1063 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1064 "full_login_lip=%d.\n", __func__, ha->host_no,
1065 ret));
1066 }
1067 atomic_set(&ha->loop_state, LOOP_DOWN);
1068 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
1069 qla2x00_mark_all_devices_lost(ha, 0);
1070 qla2x00_wait_for_loop_ready(ha);
1071 }
1072
1da177e4 1073 if (ha->flags.enable_lip_reset) {
0c8c39af
AV		 1074 ret = qla2x00_lip_reset(ha);
1075 if (ret != QLA_SUCCESS) {
1076 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1077 "lip_reset=%d.\n", __func__, ha->host_no, ret));
1078 }
1079 qla2x00_wait_for_loop_ready(ha);
1da177e4
LT		 1080 }
1081
0c8c39af 1082 if (ha->flags.enable_target_reset) {
bdf79621 1083 list_for_each_entry(fcport, &ha->fcports, list) {
1084 if (fcport->port_type != FCT_TARGET)
1da177e4
LT		 1085 continue;
1086
0c8c39af
AV		 1087 ret = qla2x00_device_reset(ha, fcport);
1088 if (ret != QLA_SUCCESS) {
1089 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1090 "target_reset=%d d_id=%x.\n", __func__,
1091 ha->host_no, ret, fcport->d_id.b24));
1092 }
1da177e4
LT		 1093 }
1094 }
1095
1da177e4
LT		 1096 /* Issue marker command only when we are going to start the I/O */
1097 ha->marker_needed = 1;
1098
0c8c39af 1099 return QLA_SUCCESS;
1da177e4
LT		 1100}
1101
1102/*
1103 * qla2x00_device_reset
1104 * Issue bus device reset message to the target.
1105 *
1106 * Input:
1107 * ha = adapter block pointer.
1108 * t = SCSI ID.
1109 * TARGET_QUEUE_LOCK must be released.
1110 * ADAPTER_STATE_LOCK must be released.
1111 *
1112 * Context:
1113 * Kernel context.
1114 */
1115static int
1116qla2x00_device_reset(scsi_qla_host_t *ha, fc_port_t *reset_fcport)
1117{
1118 /* Abort Target command will clear Reservation */
fd34f556 1119 return ha->isp_ops->abort_target(reset_fcport);
1da177e4
LT		 1120}
1121
f4f051eb 1122static int
1123qla2xxx_slave_alloc(struct scsi_device *sdev)
1da177e4 1124{
bdf79621 1125 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1da177e4 1126
19a7b4ae 1127 if (!rport || fc_remote_port_chkready(rport))
f4f051eb 1128 return -ENXIO;
bdf79621 1129
19a7b4ae 1130 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1da177e4 1131
f4f051eb 1132 return 0;
1133}
1da177e4 1134
f4f051eb 1135static int
1136qla2xxx_slave_configure(struct scsi_device *sdev)
1137{
f363b943 1138 scsi_qla_host_t *ha = shost_priv(sdev->host);
8482e118 1139 struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1140
f4f051eb 1141 if (sdev->tagged_supported)
df7baa50 1142 scsi_activate_tcq(sdev, ha->max_q_depth);
f4f051eb 1143 else
df7baa50 1144 scsi_deactivate_tcq(sdev, ha->max_q_depth);
1da177e4 1145
8482e118 1146 rport->dev_loss_tmo = ha->port_down_retry_count + 5;
1147
f4f051eb 1148 return 0;
1149}
1da177e4 1150
f4f051eb 1151static void
1152qla2xxx_slave_destroy(struct scsi_device *sdev)
1153{
1154 sdev->hostdata = NULL;
1da177e4
LT		 1155}
1156
ce7e4af7
AV		 1157static int
1158qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
1159{
1160 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1161 return sdev->queue_depth;
1162}
1163
1164static int
1165qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1166{
1167 if (sdev->tagged_supported) {
1168 scsi_set_tag_type(sdev, tag_type);
1169 if (tag_type)
1170 scsi_activate_tcq(sdev, sdev->queue_depth);
1171 else
1172 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1173 } else
1174 tag_type = 0;
1175
1176 return tag_type;
1177}
1178
1da177e4
LT		 1179/**
1180 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1181 * @ha: HA context
1182 *
1183 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1184 * supported addressing method.
1185 */
1186static void
1187qla2x00_config_dma_addressing(scsi_qla_host_t *ha)
1188{
7524f9b9 1189 /* Assume a 32bit DMA mask. */
1da177e4 1190 ha->flags.enable_64bit_addressing = 0;
1da177e4 1191
7524f9b9
AV		 1192 if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) {
1193 /* Any upper-dword bits set? */
1194 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1195 !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) {
1196 /* Ok, a 64bit DMA mask is applicable. */
1da177e4 1197 ha->flags.enable_64bit_addressing = 1;
fd34f556
AV		 1198 ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1199 ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
7524f9b9 1200 return;
1da177e4 1201 }
1da177e4 1202 }
7524f9b9
AV		 1203
1204 dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK);
1205 pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK);
1da177e4
LT		 1206}
1207
fd34f556
AV		 1208static void
1209qla2x00_enable_intrs(scsi_qla_host_t *ha)
1210{
1211 unsigned long flags = 0;
1212 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1213
1214 spin_lock_irqsave(&ha->hardware_lock, flags);
1215 ha->interrupts_on = 1;
1216 /* enable risc and host interrupts */
1217 WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1218 RD_REG_WORD(&reg->ictrl);
1219 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1220
1221}
1222
1223static void
1224qla2x00_disable_intrs(scsi_qla_host_t *ha)
1225{
1226 unsigned long flags = 0;
1227 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1228
1229 spin_lock_irqsave(&ha->hardware_lock, flags);
1230 ha->interrupts_on = 0;
1231 /* disable risc and host interrupts */
1232 WRT_REG_WORD(&reg->ictrl, 0);
1233 RD_REG_WORD(&reg->ictrl);
1234 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1235}
1236
1237static void
1238qla24xx_enable_intrs(scsi_qla_host_t *ha)
1239{
1240 unsigned long flags = 0;
1241 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1242
1243 spin_lock_irqsave(&ha->hardware_lock, flags);
1244 ha->interrupts_on = 1;
1245 WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1246 RD_REG_DWORD(&reg->ictrl);
1247 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1248}
1249
1250static void
1251qla24xx_disable_intrs(scsi_qla_host_t *ha)
1252{
1253 unsigned long flags = 0;
1254 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1255
1256 spin_lock_irqsave(&ha->hardware_lock, flags);
1257 ha->interrupts_on = 0;
1258 WRT_REG_DWORD(&reg->ictrl, 0);
1259 RD_REG_DWORD(&reg->ictrl);
1260 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1261}
1262
1263static struct isp_operations qla2100_isp_ops = {
1264 .pci_config = qla2100_pci_config,
1265 .reset_chip = qla2x00_reset_chip,
1266 .chip_diag = qla2x00_chip_diag,
1267 .config_rings = qla2x00_config_rings,
1268 .reset_adapter = qla2x00_reset_adapter,
1269 .nvram_config = qla2x00_nvram_config,
1270 .update_fw_options = qla2x00_update_fw_options,
1271 .load_risc = qla2x00_load_risc,
1272 .pci_info_str = qla2x00_pci_info_str,
1273 .fw_version_str = qla2x00_fw_version_str,
1274 .intr_handler = qla2100_intr_handler,
1275 .enable_intrs = qla2x00_enable_intrs,
1276 .disable_intrs = qla2x00_disable_intrs,
1277 .abort_command = qla2x00_abort_command,
1278 .abort_target = qla2x00_abort_target,
1279 .fabric_login = qla2x00_login_fabric,
1280 .fabric_logout = qla2x00_fabric_logout,
1281 .calc_req_entries = qla2x00_calc_iocbs_32,
1282 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1283 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1284 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1285 .read_nvram = qla2x00_read_nvram_data,
1286 .write_nvram = qla2x00_write_nvram_data,
1287 .fw_dump = qla2100_fw_dump,
1288 .beacon_on = NULL,
1289 .beacon_off = NULL,
1290 .beacon_blink = NULL,
1291 .read_optrom = qla2x00_read_optrom_data,
1292 .write_optrom = qla2x00_write_optrom_data,
1293 .get_flash_version = qla2x00_get_flash_version,
1294};
1295
1296static struct isp_operations qla2300_isp_ops = {
1297 .pci_config = qla2300_pci_config,
1298 .reset_chip = qla2x00_reset_chip,
1299 .chip_diag = qla2x00_chip_diag,
1300 .config_rings = qla2x00_config_rings,
1301 .reset_adapter = qla2x00_reset_adapter,
1302 .nvram_config = qla2x00_nvram_config,
1303 .update_fw_options = qla2x00_update_fw_options,
1304 .load_risc = qla2x00_load_risc,
1305 .pci_info_str = qla2x00_pci_info_str,
1306 .fw_version_str = qla2x00_fw_version_str,
1307 .intr_handler = qla2300_intr_handler,
1308 .enable_intrs = qla2x00_enable_intrs,
1309 .disable_intrs = qla2x00_disable_intrs,
1310 .abort_command = qla2x00_abort_command,
1311 .abort_target = qla2x00_abort_target,
1312 .fabric_login = qla2x00_login_fabric,
1313 .fabric_logout = qla2x00_fabric_logout,
1314 .calc_req_entries = qla2x00_calc_iocbs_32,
1315 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1316 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1317 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1318 .read_nvram = qla2x00_read_nvram_data,
1319 .write_nvram = qla2x00_write_nvram_data,
1320 .fw_dump = qla2300_fw_dump,
1321 .beacon_on = qla2x00_beacon_on,
1322 .beacon_off = qla2x00_beacon_off,
1323 .beacon_blink = qla2x00_beacon_blink,
1324 .read_optrom = qla2x00_read_optrom_data,
1325 .write_optrom = qla2x00_write_optrom_data,
1326 .get_flash_version = qla2x00_get_flash_version,
1327};
1328
1329static struct isp_operations qla24xx_isp_ops = {
1330 .pci_config = qla24xx_pci_config,
1331 .reset_chip = qla24xx_reset_chip,
1332 .chip_diag = qla24xx_chip_diag,
1333 .config_rings = qla24xx_config_rings,
1334 .reset_adapter = qla24xx_reset_adapter,
1335 .nvram_config = qla24xx_nvram_config,
1336 .update_fw_options = qla24xx_update_fw_options,
1337 .load_risc = qla24xx_load_risc,
1338 .pci_info_str = qla24xx_pci_info_str,
1339 .fw_version_str = qla24xx_fw_version_str,
1340 .intr_handler = qla24xx_intr_handler,
1341 .enable_intrs = qla24xx_enable_intrs,
1342 .disable_intrs = qla24xx_disable_intrs,
1343 .abort_command = qla24xx_abort_command,
1344 .abort_target = qla24xx_abort_target,
1345 .fabric_login = qla24xx_login_fabric,
1346 .fabric_logout = qla24xx_fabric_logout,
1347 .calc_req_entries = NULL,
1348 .build_iocbs = NULL,
1349 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1350 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1351 .read_nvram = qla24xx_read_nvram_data,
1352 .write_nvram = qla24xx_write_nvram_data,
1353 .fw_dump = qla24xx_fw_dump,
1354 .beacon_on = qla24xx_beacon_on,
1355 .beacon_off = qla24xx_beacon_off,
1356 .beacon_blink = qla24xx_beacon_blink,
1357 .read_optrom = qla24xx_read_optrom_data,
1358 .write_optrom = qla24xx_write_optrom_data,
1359 .get_flash_version = qla24xx_get_flash_version,
1360};
1361
c3a2f0df
AV		 1362static struct isp_operations qla25xx_isp_ops = {
1363 .pci_config = qla25xx_pci_config,
1364 .reset_chip = qla24xx_reset_chip,
1365 .chip_diag = qla24xx_chip_diag,
1366 .config_rings = qla24xx_config_rings,
1367 .reset_adapter = qla24xx_reset_adapter,
1368 .nvram_config = qla24xx_nvram_config,
1369 .update_fw_options = qla24xx_update_fw_options,
1370 .load_risc = qla24xx_load_risc,
1371 .pci_info_str = qla24xx_pci_info_str,
1372 .fw_version_str = qla24xx_fw_version_str,
1373 .intr_handler = qla24xx_intr_handler,
1374 .enable_intrs = qla24xx_enable_intrs,
1375 .disable_intrs = qla24xx_disable_intrs,
1376 .abort_command = qla24xx_abort_command,
1377 .abort_target = qla24xx_abort_target,
1378 .fabric_login = qla24xx_login_fabric,
1379 .fabric_logout = qla24xx_fabric_logout,
1380 .calc_req_entries = NULL,
1381 .build_iocbs = NULL,
1382 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1383 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1384 .read_nvram = qla25xx_read_nvram_data,
1385 .write_nvram = qla25xx_write_nvram_data,
1386 .fw_dump = qla25xx_fw_dump,
1387 .beacon_on = qla24xx_beacon_on,
1388 .beacon_off = qla24xx_beacon_off,
1389 .beacon_blink = qla24xx_beacon_blink,
338c9161 1390 .read_optrom = qla25xx_read_optrom_data,
c3a2f0df
AV		 1391 .write_optrom = qla24xx_write_optrom_data,
1392 .get_flash_version = qla24xx_get_flash_version,
1393};
1394
ea5b6382 1395static inline void
1396qla2x00_set_isp_flags(scsi_qla_host_t *ha)
1397{
1398 ha->device_type = DT_EXTENDED_IDS;
1399 switch (ha->pdev->device) {
1400 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1401 ha->device_type |= DT_ISP2100;
1402 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1403 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382 1404 break;
1405 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1406 ha->device_type |= DT_ISP2200;
1407 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1408 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382 1409 break;
1410 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1411 ha->device_type |= DT_ISP2300;
4a59f71d 1412 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1413 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1414 break;
1415 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1416 ha->device_type |= DT_ISP2312;
4a59f71d 1417 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1418 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1419 break;
1420 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1421 ha->device_type |= DT_ISP2322;
4a59f71d 1422 ha->device_type |= DT_ZIO_SUPPORTED;
ea5b6382 1423 if (ha->pdev->subsystem_vendor == 0x1028 &&
1424 ha->pdev->subsystem_device == 0x0170)
1425 ha->device_type |= DT_OEM_001;
441d1072 1426 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1427 break;
1428 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1429 ha->device_type |= DT_ISP6312;
441d1072 1430 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1431 break;
1432 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1433 ha->device_type |= DT_ISP6322;
441d1072 1434 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1435 break;
1436 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1437 ha->device_type |= DT_ISP2422;
4a59f71d 1438 ha->device_type |= DT_ZIO_SUPPORTED;
e428924c 1439 ha->device_type |= DT_FWI2;
c76f2c01 1440 ha->device_type |= DT_IIDMA;
441d1072 1441 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1442 break;
1443 case PCI_DEVICE_ID_QLOGIC_ISP2432:
1444 ha->device_type |= DT_ISP2432;
4a59f71d 1445 ha->device_type |= DT_ZIO_SUPPORTED;
e428924c 1446 ha->device_type |= DT_FWI2;
c76f2c01 1447 ha->device_type |= DT_IIDMA;
441d1072 1448 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1449 break;
044cc6c8 1450 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1451 ha->device_type |= DT_ISP5422;
e428924c 1452 ha->device_type |= DT_FWI2;
441d1072 1453 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1454 break;
044cc6c8 1455 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1456 ha->device_type |= DT_ISP5432;
e428924c 1457 ha->device_type |= DT_FWI2;
441d1072 1458 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1459 break;
c3a2f0df
AV		 1460 case PCI_DEVICE_ID_QLOGIC_ISP2532:
1461 ha->device_type |= DT_ISP2532;
1462 ha->device_type |= DT_ZIO_SUPPORTED;
1463 ha->device_type |= DT_FWI2;
1464 ha->device_type |= DT_IIDMA;
441d1072 1465 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1466 break;
1467 }
1468}
1469
1da177e4
LT		 1470static int
1471qla2x00_iospace_config(scsi_qla_host_t *ha)
1472{
3776541d 1473 resource_size_t pio;
1da177e4 1474
285d0321
AV		 1475 if (pci_request_selected_regions(ha->pdev, ha->bars,
1476 QLA2XXX_DRIVER_NAME)) {
1477 qla_printk(KERN_WARNING, ha,
1478 "Failed to reserve PIO/MMIO regions (%s)\n",
1479 pci_name(ha->pdev));
1480
1481 goto iospace_error_exit;
1482 }
1483 if (!(ha->bars & 1))
1484 goto skip_pio;
1485
1da177e4
LT		 1486 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1487 pio = pci_resource_start(ha->pdev, 0);
3776541d
AV		 1488 if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1489 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1da177e4
LT		 1490 qla_printk(KERN_WARNING, ha,
1491 "Invalid PCI I/O region size (%s)...\n",
1492 pci_name(ha->pdev));
1493 pio = 0;
1494 }
1495 } else {
1496 qla_printk(KERN_WARNING, ha,
1497 "region #0 not a PIO resource (%s)...\n",
1498 pci_name(ha->pdev));
1499 pio = 0;
1500 }
285d0321 1501 ha->pio_address = pio;
1da177e4 1502
285d0321 1503skip_pio:
1da177e4 1504 /* Use MMIO operations for all accesses. */
3776541d 1505 if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1da177e4 1506 qla_printk(KERN_ERR, ha,
3776541d 1507 "region #1 not an MMIO resource (%s), aborting\n",
1da177e4
LT		 1508 pci_name(ha->pdev));
1509 goto iospace_error_exit;
1510 }
3776541d 1511 if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1da177e4
LT		 1512 qla_printk(KERN_ERR, ha,
1513 "Invalid PCI mem region size (%s), aborting\n",
1514 pci_name(ha->pdev));
1515 goto iospace_error_exit;
1516 }
1517
3776541d 1518 ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1da177e4
LT		 1519 if (!ha->iobase) {
1520 qla_printk(KERN_ERR, ha,
1521 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1522
1523 goto iospace_error_exit;
1524 }
1525
1526 return (0);
1527
1528iospace_error_exit:
1529 return (-ENOMEM);
1530}
1531
1e99e33a
AV		 1532static void
1533qla2xxx_scan_start(struct Scsi_Host *shost)
1534{
f363b943 1535 scsi_qla_host_t *ha = shost_priv(shost);
1e99e33a
AV		 1536
1537 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
1538 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1539 set_bit(RSCN_UPDATE, &ha->dpc_flags);
1540}
1541
1542static int
1543qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1544{
f363b943 1545 scsi_qla_host_t *ha = shost_priv(shost);
1e99e33a
AV		 1546
1547 if (!ha->host)
1548 return 1;
1549 if (time > ha->loop_reset_delay * HZ)
1550 return 1;
1551
1552 return atomic_read(&ha->loop_state) == LOOP_READY;
1553}
1554
1da177e4
LT		 1555/*
1556 * PCI driver interface
1557 */
7ee61397
AV		 1558static int __devinit
1559qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1da177e4 1560{
a1541d5a 1561 int ret = -ENODEV;
fca29703 1562 device_reg_t __iomem *reg;
1da177e4
LT		 1563 struct Scsi_Host *host;
1564 scsi_qla_host_t *ha;
1565 unsigned long flags = 0;
29856e28 1566 char pci_info[30];
1da177e4 1567 char fw_str[30];
5433383e 1568 struct scsi_host_template *sht;
285d0321 1569 int bars;
1da177e4 1570
285d0321 1571 bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
5433383e
AV		 1572 sht = &qla2x00_driver_template;
1573 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
8bc69e7d
AV		 1574 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
1575 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
c3a2f0df 1576 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
285d0321
AV		 1577 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532) {
1578 bars = pci_select_bars(pdev, IORESOURCE_MEM);
5433383e 1579 sht = &qla24xx_driver_template;
285d0321
AV		 1580 }
1581
1582 if (pci_enable_device_bars(pdev, bars))
1583 goto probe_out;
1584
1585 if (pci_find_aer_capability(pdev))
1586 if (pci_enable_pcie_error_reporting(pdev))
1587 goto probe_out;
1588
5433383e 1589 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
1da177e4
LT		 1590 if (host == NULL) {
1591 printk(KERN_WARNING
1592 "qla2xxx: Couldn't allocate host from scsi layer!\n");
1593 goto probe_disable_device;
1594 }
1595
1596 /* Clear our data area */
f363b943 1597 ha = shost_priv(host);
1da177e4
LT		 1598 memset(ha, 0, sizeof(scsi_qla_host_t));
1599
1600 ha->pdev = pdev;
1601 ha->host = host;
1602 ha->host_no = host->host_no;
cb63067a 1603 sprintf(ha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, ha->host_no);
2c3dfe3f 1604 ha->parent = NULL;
285d0321 1605 ha->bars = bars;
1da177e4 1606
ea5b6382 1607 /* Set ISP-type information. */
1608 qla2x00_set_isp_flags(ha);
1609
1da177e4
LT		 1610 /* Configure PCI I/O space */
1611 ret = qla2x00_iospace_config(ha);
a1541d5a
AV		 1612 if (ret)
1613 goto probe_failed;
1da177e4 1614
1da177e4 1615 qla_printk(KERN_INFO, ha,
5433383e
AV		 1616 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1617 ha->iobase);
1da177e4
LT		 1618
1619 spin_lock_init(&ha->hardware_lock);
1620
1da177e4 1621 ha->prev_topology = 0;
fca29703 1622 ha->init_cb_size = sizeof(init_cb_t);
2c3dfe3f 1623 ha->mgmt_svr_loop_id = MANAGEMENT_SERVER + ha->vp_idx;
d8b45213 1624 ha->link_data_rate = PORT_SPEED_UNKNOWN;
854165f4 1625 ha->optrom_size = OPTROM_SIZE_2300;
1da177e4 1626
df7baa50
AV		 1627 ha->max_q_depth = MAX_Q_DEPTH;
1628 if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
1629 ha->max_q_depth = ql2xmaxqdepth;
1630
abbd8870 1631 /* Assign ISP specific operations. */
1da177e4 1632 if (IS_QLA2100(ha)) {
354d6b21 1633 host->max_id = MAX_TARGETS_2100;
1da177e4
LT		 1634 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
1635 ha->request_q_length = REQUEST_ENTRY_CNT_2100;
1636 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1637 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
1638 host->sg_tablesize = 32;
abbd8870 1639 ha->gid_list_info_size = 4;
fd34f556 1640 ha->isp_ops = &qla2100_isp_ops;
1da177e4 1641 } else if (IS_QLA2200(ha)) {
354d6b21 1642 host->max_id = MAX_TARGETS_2200;
1da177e4
LT		 1643 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1644 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1645 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1646 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
abbd8870 1647 ha->gid_list_info_size = 4;
fd34f556 1648 ha->isp_ops = &qla2100_isp_ops;
fca29703 1649 } else if (IS_QLA23XX(ha)) {
354d6b21 1650 host->max_id = MAX_TARGETS_2200;
1da177e4
LT		 1651 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1652 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1653 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1654 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
abbd8870 1655 ha->gid_list_info_size = 6;
854165f4 1656 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1657 ha->optrom_size = OPTROM_SIZE_2322;
fd34f556 1658 ha->isp_ops = &qla2300_isp_ops;
044cc6c8 1659 } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
fca29703
AV		 1660 host->max_id = MAX_TARGETS_2200;
1661 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1662 ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
1663 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1664 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
2c3dfe3f
SJ		 1665 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1666 ha->mgmt_svr_loop_id = 10 + ha->vp_idx;
fca29703 1667 ha->gid_list_info_size = 8;
854165f4 1668 ha->optrom_size = OPTROM_SIZE_24XX;
fd34f556 1669 ha->isp_ops = &qla24xx_isp_ops;
c3a2f0df
AV		 1670 } else if (IS_QLA25XX(ha)) {
1671 host->max_id = MAX_TARGETS_2200;
1672 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1673 ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
1674 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1675 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1676 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1677 ha->mgmt_svr_loop_id = 10 + ha->vp_idx;
1678 ha->gid_list_info_size = 8;
1679 ha->optrom_size = OPTROM_SIZE_25XX;
1680 ha->isp_ops = &qla25xx_isp_ops;
1da177e4
LT		 1681 }
1682 host->can_queue = ha->request_q_length + 128;
1683
1684 /* load the F/W, read paramaters, and init the H/W */
1685 ha->instance = num_hosts;
1686
2c3dfe3f 1687 init_MUTEX(&ha->vport_sem);
0b05a1f0
MB		 1688 init_completion(&ha->mbx_cmd_comp);
1689 complete(&ha->mbx_cmd_comp);
1690 init_completion(&ha->mbx_intr_comp);
1da177e4
LT		 1691
1692 INIT_LIST_HEAD(&ha->list);
1693 INIT_LIST_HEAD(&ha->fcports);
2c3dfe3f
SJ		 1694 INIT_LIST_HEAD(&ha->vp_list);
1695
1696 set_bit(0, (unsigned long *) ha->vp_idx_map);
1da177e4 1697
1da177e4
LT		 1698 qla2x00_config_dma_addressing(ha);
1699 if (qla2x00_mem_alloc(ha)) {
1700 qla_printk(KERN_WARNING, ha,
1701 "[ERROR] Failed to allocate memory for adapter\n");
1702
a1541d5a
AV		 1703 ret = -ENOMEM;
1704 goto probe_failed;
1da177e4
LT		 1705 }
1706
765140bf 1707 if (qla2x00_initialize_adapter(ha)) {
1da177e4
LT		 1708 qla_printk(KERN_WARNING, ha,
1709 "Failed to initialize adapter\n");
1710
1711 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1712 "Adapter flags %x.\n",
1713 ha->host_no, ha->device_flags));
1714
a1541d5a 1715 ret = -ENODEV;
1da177e4
LT		 1716 goto probe_failed;
1717 }
1718
1719 /*
1720 * Startup the kernel thread for this host adapter
1721 */
39a11240
CH		 1722 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
1723 "%s_dpc", ha->host_str);
1724 if (IS_ERR(ha->dpc_thread)) {
1da177e4
LT		 1725 qla_printk(KERN_WARNING, ha,
1726 "Unable to start DPC thread!\n");
39a11240 1727 ret = PTR_ERR(ha->dpc_thread);
1da177e4
LT		 1728 goto probe_failed;
1729 }
1da177e4 1730
a1541d5a
AV		 1731 host->this_id = 255;
1732 host->cmd_per_lun = 3;
1733 host->unique_id = ha->instance;
1734 host->max_cmd_len = MAX_CMDSZ;
75bc4190 1735 host->max_channel = MAX_BUSES - 1;
a1541d5a
AV		 1736 host->max_lun = MAX_LUNS;
1737 host->transportt = qla2xxx_transport_template;
1738
a8488abe
AV		 1739 ret = qla2x00_request_irqs(ha);
1740 if (ret)
1da177e4 1741 goto probe_failed;
1da177e4
LT		 1742
1743 /* Initialized the timer */
1744 qla2x00_start_timer(ha, qla2x00_timer, WATCH_INTERVAL);
1745
1746 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
1747 ha->host_no, ha));
1748
fd34f556 1749 ha->isp_ops->disable_intrs(ha);
1da177e4 1750
1da177e4 1751 spin_lock_irqsave(&ha->hardware_lock, flags);
fca29703 1752 reg = ha->iobase;
e428924c 1753 if (IS_FWI2_CAPABLE(ha)) {
fca29703
AV		 1754 WRT_REG_DWORD(&reg->isp24.hccr, HCCRX_CLR_HOST_INT);
1755 WRT_REG_DWORD(&reg->isp24.hccr, HCCRX_CLR_RISC_INT);
1756 } else {
1757 WRT_REG_WORD(&reg->isp.semaphore, 0);
1758 WRT_REG_WORD(&reg->isp.hccr, HCCR_CLR_RISC_INT);
1759 WRT_REG_WORD(&reg->isp.hccr, HCCR_CLR_HOST_INT);
1760
1761 /* Enable proper parity */
1762 if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1763 if (IS_QLA2300(ha))
1764 /* SRAM parity */
1765 WRT_REG_WORD(&reg->isp.hccr,
1766 (HCCR_ENABLE_PARITY + 0x1));
1767 else
1768 /* SRAM, Instruction RAM and GP RAM parity */
1769 WRT_REG_WORD(&reg->isp.hccr,
1770 (HCCR_ENABLE_PARITY + 0x7));
1771 }
1da177e4
LT		 1772 }
1773 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1774
fd34f556 1775 ha->isp_ops->enable_intrs(ha);
1da177e4 1776
a1541d5a 1777 pci_set_drvdata(pdev, ha);
d19044c3 1778
1da177e4 1779 ha->flags.init_done = 1;
d19044c3
AV		 1780 ha->flags.online = 1;
1781
1da177e4
LT		 1782 num_hosts++;
1783
a1541d5a
AV		 1784 ret = scsi_add_host(host, &pdev->dev);
1785 if (ret)
1786 goto probe_failed;
1787
1e99e33a
AV		 1788 scsi_scan_host(host);
1789
a1541d5a
AV		 1790 qla2x00_alloc_sysfs_attr(ha);
1791
1792 qla2x00_init_host_attr(ha);
1793
1da177e4
LT		 1794 qla_printk(KERN_INFO, ha, "\n"
1795 " QLogic Fibre Channel HBA Driver: %s\n"
1796 " QLogic %s - %s\n"
5433383e
AV		 1797 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
1798 qla2x00_version_str, ha->model_number,
1799 ha->model_desc ? ha->model_desc: "", pdev->device,
fd34f556 1800 ha->isp_ops->pci_info_str(ha, pci_info), pci_name(pdev),
5433383e 1801 ha->flags.enable_64bit_addressing ? '+': '-', ha->host_no,
fd34f556 1802 ha->isp_ops->fw_version_str(ha, fw_str));
1da177e4 1803
1da177e4
LT		 1804 return 0;
1805
1806probe_failed:
1807 qla2x00_free_device(ha);
1808
1809 scsi_host_put(host);
1810
1811probe_disable_device:
1812 pci_disable_device(pdev);
1813
a1541d5a
AV		 1814probe_out:
1815 return ret;
1da177e4 1816}
1da177e4 1817
7ee61397
AV		 1818static void __devexit
1819qla2x00_remove_one(struct pci_dev *pdev)
1da177e4
LT		 1820{
1821 scsi_qla_host_t *ha;
1822
1823 ha = pci_get_drvdata(pdev);
1824
8482e118 1825 qla2x00_free_sysfs_attr(ha);
1da177e4 1826
bdf79621 1827 fc_remove_host(ha->host);
1828
1da177e4
LT		 1829 scsi_remove_host(ha->host);
1830
1831 qla2x00_free_device(ha);
1832
1833 scsi_host_put(ha->host);
1834
665db93b 1835 pci_disable_device(pdev);
1da177e4
LT		 1836 pci_set_drvdata(pdev, NULL);
1837}
1da177e4
LT		 1838
1839static void
1840qla2x00_free_device(scsi_qla_host_t *ha)
1841{
1da177e4
LT		 1842 /* Disable timer */
1843 if (ha->timer_active)
1844 qla2x00_stop_timer(ha);
1845
1846 /* Kill the kernel thread for this host */
39a11240
CH		 1847 if (ha->dpc_thread) {
1848 struct task_struct *t = ha->dpc_thread;
1da177e4 1849
39a11240
CH		 1850 /*
1851 * qla2xxx_wake_dpc checks for ->dpc_thread
1852 * so we need to zero it out.
1853 */
1854 ha->dpc_thread = NULL;
1855 kthread_stop(t);
1da177e4
LT		 1856 }
1857
a7a167bf 1858 if (ha->eft)
00b6bd25 1859 qla2x00_disable_eft_trace(ha);
a7a167bf 1860
18c6c127
AV		 1861 ha->flags.online = 0;
1862
f6ef3b18 1863 /* Stop currently executing firmware. */
18c6c127 1864 qla2x00_try_to_stop_firmware(ha);
1da177e4 1865
f6ef3b18
AV		 1866 /* turn-off interrupts on the card */
1867 if (ha->interrupts_on)
fd34f556 1868 ha->isp_ops->disable_intrs(ha);
f6ef3b18
AV		 1869
1870 qla2x00_mem_free(ha);
1da177e4 1871
a8488abe 1872 qla2x00_free_irqs(ha);
1da177e4
LT		 1873
1874 /* release io space registers */
1875 if (ha->iobase)
1876 iounmap(ha->iobase);
285d0321 1877 pci_release_selected_regions(ha->pdev, ha->bars);
1da177e4
LT		 1878}
1879
d97994dc 1880static inline void
1881qla2x00_schedule_rport_del(struct scsi_qla_host *ha, fc_port_t *fcport,
1882 int defer)
1883{
1884 unsigned long flags;
1885 struct fc_rport *rport;
1886
1887 if (!fcport->rport)
1888 return;
1889
1890 rport = fcport->rport;
1891 if (defer) {
1892 spin_lock_irqsave(&fcport->rport_lock, flags);
1893 fcport->drport = rport;
1894 fcport->rport = NULL;
387f96b4 1895 *(fc_port_t **)rport->dd_data = NULL;
d97994dc 1896 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1897 set_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags);
1898 } else {
1899 spin_lock_irqsave(&fcport->rport_lock, flags);
1900 fcport->rport = NULL;
387f96b4 1901 *(fc_port_t **)rport->dd_data = NULL;
d97994dc 1902 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1903 fc_remote_port_delete(rport);
1904 }
1905}
1906
1da177e4
LT		 1907/*
1908 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
1909 *
1910 * Input: ha = adapter block pointer. fcport = port structure pointer.
1911 *
1912 * Return: None.
1913 *
1914 * Context:
1915 */
1916void qla2x00_mark_device_lost(scsi_qla_host_t *ha, fc_port_t *fcport,
d97994dc 1917 int do_login, int defer)
1da177e4 1918{
2c3dfe3f
SJ		 1919 if (atomic_read(&fcport->state) == FCS_ONLINE &&
1920 ha->vp_idx == fcport->vp_idx)
d97994dc 1921 qla2x00_schedule_rport_del(ha, fcport, defer);
19a7b4ae 1922
fa2a1ce5 1923 /*
1da177e4
LT		 1924 * We may need to retry the login, so don't change the state of the
1925 * port but do the retries.
1926 */
1927 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
1928 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1929
1930 if (!do_login)
1931 return;
1932
1933 if (fcport->login_retry == 0) {
1934 fcport->login_retry = ha->login_retry_count;
1935 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
1936
1937 DEBUG(printk("scsi(%ld): Port login retry: "
1938 "%02x%02x%02x%02x%02x%02x%02x%02x, "
1939 "id = 0x%04x retry cnt=%d\n",
1940 ha->host_no,
1941 fcport->port_name[0],
1942 fcport->port_name[1],
1943 fcport->port_name[2],
1944 fcport->port_name[3],
1945 fcport->port_name[4],
1946 fcport->port_name[5],
1947 fcport->port_name[6],
1948 fcport->port_name[7],
1949 fcport->loop_id,
1950 fcport->login_retry));
1951 }
1952}
1953
1954/*
1955 * qla2x00_mark_all_devices_lost
1956 * Updates fcport state when device goes offline.
1957 *
1958 * Input:
1959 * ha = adapter block pointer.
1960 * fcport = port structure pointer.
1961 *
1962 * Return:
1963 * None.
1964 *
1965 * Context:
1966 */
1967void
d97994dc 1968qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha, int defer)
1da177e4
LT		 1969{
1970 fc_port_t *fcport;
2c3dfe3f 1971 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4 1972
2c3dfe3f
SJ		 1973 list_for_each_entry(fcport, &pha->fcports, list) {
1974 if (ha->vp_idx != 0 && ha->vp_idx != fcport->vp_idx)
1da177e4 1975 continue;
1da177e4
LT		 1976 /*
1977 * No point in marking the device as lost, if the device is
1978 * already DEAD.
1979 */
1980 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
1981 continue;
2c3dfe3f
SJ		 1982 if (atomic_read(&fcport->state) == FCS_ONLINE) {
1983 if (defer)
1984 qla2x00_schedule_rport_del(ha, fcport, defer);
1985 else if (ha->vp_idx == fcport->vp_idx)
1986 qla2x00_schedule_rport_del(ha, fcport, defer);
1987 }
1da177e4
LT		 1988 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1989 }
d97994dc 1990
39a11240
CH		 1991 if (defer)
1992 qla2xxx_wake_dpc(ha);
1da177e4
LT		 1993}
1994
1995/*
1996* qla2x00_mem_alloc
1997* Allocates adapter memory.
1998*
1999* Returns:
2000* 0 = success.
2001* 1 = failure.
2002*/
a824ebb3 2003static uint8_t
1da177e4
LT		 2004qla2x00_mem_alloc(scsi_qla_host_t *ha)
2005{
2006 char name[16];
2007 uint8_t status = 1;
2008 int retry= 10;
2009
2010 do {
2011 /*
2012 * This will loop only once if everything goes well, else some
2013 * number of retries will be performed to get around a kernel
2014 * bug where available mem is not allocated until after a
2015 * little delay and a retry.
2016 */
2017 ha->request_ring = dma_alloc_coherent(&ha->pdev->dev,
2018 (ha->request_q_length + 1) * sizeof(request_t),
2019 &ha->request_dma, GFP_KERNEL);
2020 if (ha->request_ring == NULL) {
2021 qla_printk(KERN_WARNING, ha,
2022 "Memory Allocation failed - request_ring\n");
2023
2024 qla2x00_mem_free(ha);
2025 msleep(100);
2026
2027 continue;
2028 }
2029
2030 ha->response_ring = dma_alloc_coherent(&ha->pdev->dev,
2031 (ha->response_q_length + 1) * sizeof(response_t),
2032 &ha->response_dma, GFP_KERNEL);
2033 if (ha->response_ring == NULL) {
2034 qla_printk(KERN_WARNING, ha,
2035 "Memory Allocation failed - response_ring\n");
2036
2037 qla2x00_mem_free(ha);
2038 msleep(100);
2039
2040 continue;
2041 }
2042
2043 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2044 &ha->gid_list_dma, GFP_KERNEL);
2045 if (ha->gid_list == NULL) {
2046 qla_printk(KERN_WARNING, ha,
2047 "Memory Allocation failed - gid_list\n");
2048
2049 qla2x00_mem_free(ha);
2050 msleep(100);
2051
2052 continue;
2053 }
2054
2c3dfe3f
SJ		 2055 /* get consistent memory allocated for init control block */
2056 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev,
2057 ha->init_cb_size, &ha->init_cb_dma, GFP_KERNEL);
2058 if (ha->init_cb == NULL) {
1da177e4 2059 qla_printk(KERN_WARNING, ha,
2c3dfe3f 2060 "Memory Allocation failed - init_cb\n");
1da177e4
LT		 2061
2062 qla2x00_mem_free(ha);
2063 msleep(100);
2064
2065 continue;
2066 }
2c3dfe3f 2067 memset(ha->init_cb, 0, ha->init_cb_size);
1da177e4 2068
2c3dfe3f
SJ		 2069 snprintf(name, sizeof(name), "%s_%ld", QLA2XXX_DRIVER_NAME,
2070 ha->host_no);
2071 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2072 DMA_POOL_SIZE, 8, 0);
2073 if (ha->s_dma_pool == NULL) {
1da177e4 2074 qla_printk(KERN_WARNING, ha,
2c3dfe3f 2075 "Memory Allocation failed - s_dma_pool\n");
1da177e4
LT		 2076
2077 qla2x00_mem_free(ha);
2078 msleep(100);
2079
2080 continue;
2081 }
1da177e4 2082
1da177e4
LT		 2083 if (qla2x00_allocate_sp_pool(ha)) {
2084 qla_printk(KERN_WARNING, ha,
2085 "Memory Allocation failed - "
2086 "qla2x00_allocate_sp_pool()\n");
2087
2088 qla2x00_mem_free(ha);
2089 msleep(100);
2090
2091 continue;
2092 }
2093
2094 /* Allocate memory for SNS commands */
2095 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2096 /* Get consistent memory allocated for SNS commands */
2097 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
2098 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma,
2099 GFP_KERNEL);
2100 if (ha->sns_cmd == NULL) {
2101 /* error */
2102 qla_printk(KERN_WARNING, ha,
2103 "Memory Allocation failed - sns_cmd\n");
2104
2105 qla2x00_mem_free(ha);
2106 msleep(100);
2107
2108 continue;
2109 }
2110 memset(ha->sns_cmd, 0, sizeof(struct sns_cmd_pkt));
2111 } else {
2112 /* Get consistent memory allocated for MS IOCB */
2113 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2114 &ha->ms_iocb_dma);
2115 if (ha->ms_iocb == NULL) {
2116 /* error */
2117 qla_printk(KERN_WARNING, ha,
2118 "Memory Allocation failed - ms_iocb\n");
2119
2120 qla2x00_mem_free(ha);
2121 msleep(100);
2122
2123 continue;
2124 }
2125 memset(ha->ms_iocb, 0, sizeof(ms_iocb_entry_t));
2126
2127 /*
2128 * Get consistent memory allocated for CT SNS
2129 * commands
2130 */
2131 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
2132 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma,
2133 GFP_KERNEL);
2134 if (ha->ct_sns == NULL) {
2135 /* error */
2136 qla_printk(KERN_WARNING, ha,
2137 "Memory Allocation failed - ct_sns\n");
2138
2139 qla2x00_mem_free(ha);
2140 msleep(100);
2141
2142 continue;
2143 }
2144 memset(ha->ct_sns, 0, sizeof(struct ct_sns_pkt));
88729e53 2145
e428924c 2146 if (IS_FWI2_CAPABLE(ha)) {
88729e53
AV		 2147 /*
2148 * Get consistent memory allocated for SFP
2149 * block.
2150 */
2151 ha->sfp_data = dma_pool_alloc(ha->s_dma_pool,
2152 GFP_KERNEL, &ha->sfp_data_dma);
2153 if (ha->sfp_data == NULL) {
2154 qla_printk(KERN_WARNING, ha,
2155 "Memory Allocation failed - "
2156 "sfp_data\n");
2157
2158 qla2x00_mem_free(ha);
2159 msleep(100);
2160
2161 continue;
2162 }
2163 memset(ha->sfp_data, 0, SFP_BLOCK_SIZE);
2164 }
1da177e4
LT		 2165 }
2166
53772a2c
SJ		 2167 /* Get memory for cached NVRAM */
2168 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2169 if (ha->nvram == NULL) {
2170 /* error */
2171 qla_printk(KERN_WARNING, ha,
2172 "Memory Allocation failed - nvram cache\n");
2173
2174 qla2x00_mem_free(ha);
2175 msleep(100);
2176
2177 continue;
2178 }
2179
1da177e4
LT		 2180 /* Done all allocations without any error. */
2181 status = 0;
2182
2183 } while (retry-- && status != 0);
2184
2185 if (status) {
2186 printk(KERN_WARNING
2187 "%s(): **** FAILED ****\n", __func__);
2188 }
2189
2190 return(status);
2191}
2192
2193/*
2194* qla2x00_mem_free
2195* Frees all adapter allocated memory.
2196*
2197* Input:
2198* ha = adapter block pointer.
2199*/
a824ebb3 2200static void
1da177e4
LT		 2201qla2x00_mem_free(scsi_qla_host_t *ha)
2202{
1da177e4
LT		 2203 struct list_head *fcpl, *fcptemp;
2204 fc_port_t *fcport;
1da177e4
LT		 2205
2206 if (ha == NULL) {
2207 /* error */
2208 DEBUG2(printk("%s(): ERROR invalid ha pointer.\n", __func__));
2209 return;
2210 }
2211
1da177e4
LT		 2212 /* free sp pool */
2213 qla2x00_free_sp_pool(ha);
2214
a7a167bf
AV		 2215 if (ha->fw_dump) {
2216 if (ha->eft)
2217 dma_free_coherent(&ha->pdev->dev,
2218 ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
2219 vfree(ha->fw_dump);
2220 }
2221
1da177e4
LT		 2222 if (ha->sns_cmd)
2223 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2224 ha->sns_cmd, ha->sns_cmd_dma);
2225
2226 if (ha->ct_sns)
2227 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2228 ha->ct_sns, ha->ct_sns_dma);
2229
88729e53
AV		 2230 if (ha->sfp_data)
2231 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2232
1da177e4
LT		 2233 if (ha->ms_iocb)
2234 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2235
1da177e4
LT		 2236 if (ha->s_dma_pool)
2237 dma_pool_destroy(ha->s_dma_pool);
2238
2c3dfe3f
SJ		 2239 if (ha->init_cb)
2240 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2241 ha->init_cb, ha->init_cb_dma);
2242
1da177e4
LT		 2243 if (ha->gid_list)
2244 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2245 ha->gid_list_dma);
2246
2247 if (ha->response_ring)
2248 dma_free_coherent(&ha->pdev->dev,
2249 (ha->response_q_length + 1) * sizeof(response_t),
2250 ha->response_ring, ha->response_dma);
2251
2252 if (ha->request_ring)
2253 dma_free_coherent(&ha->pdev->dev,
2254 (ha->request_q_length + 1) * sizeof(request_t),
2255 ha->request_ring, ha->request_dma);
2256
a7a167bf
AV		 2257 ha->eft = NULL;
2258 ha->eft_dma = 0;
1da177e4
LT		 2259 ha->sns_cmd = NULL;
2260 ha->sns_cmd_dma = 0;
2261 ha->ct_sns = NULL;
2262 ha->ct_sns_dma = 0;
2263 ha->ms_iocb = NULL;
2264 ha->ms_iocb_dma = 0;
1da177e4
LT		 2265 ha->init_cb = NULL;
2266 ha->init_cb_dma = 0;
2267
2268 ha->s_dma_pool = NULL;
2269
1da177e4
LT		 2270 ha->gid_list = NULL;
2271 ha->gid_list_dma = 0;
2272
2273 ha->response_ring = NULL;
2274 ha->response_dma = 0;
2275 ha->request_ring = NULL;
2276 ha->request_dma = 0;
2277
2278 list_for_each_safe(fcpl, fcptemp, &ha->fcports) {
2279 fcport = list_entry(fcpl, fc_port_t, list);
2280
1da177e4
LT		 2281 /* fc ports */
2282 list_del_init(&fcport->list);
2283 kfree(fcport);
2284 }
2285 INIT_LIST_HEAD(&ha->fcports);
2286
1da177e4 2287 ha->fw_dump = NULL;
fca29703 2288 ha->fw_dumped = 0;
1da177e4 2289 ha->fw_dump_reading = 0;
854165f4 2290
2291 vfree(ha->optrom_buffer);
53772a2c 2292 kfree(ha->nvram);
1da177e4
LT		 2293}
2294
2295/*
2296 * qla2x00_allocate_sp_pool
2297 * This routine is called during initialization to allocate
2298 * memory for local srb_t.
2299 *
2300 * Input:
2301 * ha = adapter block pointer.
2302 *
2303 * Context:
2304 * Kernel context.
1da177e4
LT		 2305 */
2306static int
fa2a1ce5 2307qla2x00_allocate_sp_pool(scsi_qla_host_t *ha)
1da177e4
LT		 2308{
2309 int rval;
2310
2311 rval = QLA_SUCCESS;
93d2341c 2312 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
1da177e4
LT		 2313 if (ha->srb_mempool == NULL) {
2314 qla_printk(KERN_INFO, ha, "Unable to allocate SRB mempool.\n");
2315 rval = QLA_FUNCTION_FAILED;
2316 }
2317 return (rval);
2318}
2319
2320/*
2321 * This routine frees all adapter allocated memory.
fa2a1ce5 2322 *
1da177e4
LT		 2323 */
2324static void
fa2a1ce5 2325qla2x00_free_sp_pool( scsi_qla_host_t *ha)
1da177e4
LT		 2326{
2327 if (ha->srb_mempool) {
2328 mempool_destroy(ha->srb_mempool);
2329 ha->srb_mempool = NULL;
2330 }
2331}
2332
2333/**************************************************************************
2334* qla2x00_do_dpc
2335* This kernel thread is a task that is schedule by the interrupt handler
2336* to perform the background processing for interrupts.
2337*
2338* Notes:
2339* This task always run in the context of a kernel thread. It
2340* is kick-off by the driver's detect code and starts up
2341* up one per adapter. It immediately goes to sleep and waits for
2342* some fibre event. When either the interrupt handler or
2343* the timer routine detects a event it will one of the task
2344* bits then wake us up.
2345**************************************************************************/
2346static int
2347qla2x00_do_dpc(void *data)
2348{
2c3dfe3f 2349 int rval;
1da177e4
LT		 2350 scsi_qla_host_t *ha;
2351 fc_port_t *fcport;
1da177e4 2352 uint8_t status;
1da177e4 2353 uint16_t next_loopid;
1da177e4
LT		 2354
2355 ha = (scsi_qla_host_t *)data;
2356
1da177e4
LT		 2357 set_user_nice(current, -20);
2358
39a11240 2359 while (!kthread_should_stop()) {
1da177e4
LT		 2360 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2361
39a11240
CH		 2362 set_current_state(TASK_INTERRUPTIBLE);
2363 schedule();
2364 __set_current_state(TASK_RUNNING);
1da177e4
LT		 2365
2366 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2367
2368 /* Initialization not yet finished. Don't do anything yet. */
39a11240 2369 if (!ha->flags.init_done)
1da177e4
LT		 2370 continue;
2371
2372 DEBUG3(printk("scsi(%ld): DPC handler\n", ha->host_no));
2373
2374 ha->dpc_active = 1;
2375
1da177e4 2376 if (ha->flags.mbox_busy) {
1da177e4
LT		 2377 ha->dpc_active = 0;
2378 continue;
2379 }
2380
2381 if (test_and_clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
2382
2383 DEBUG(printk("scsi(%ld): dpc: sched "
2384 "qla2x00_abort_isp ha = %p\n",
2385 ha->host_no, ha));
2386 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
2387 &ha->dpc_flags))) {
2388
2389 if (qla2x00_abort_isp(ha)) {
2390 /* failed. retry later */
2391 set_bit(ISP_ABORT_NEEDED,
2392 &ha->dpc_flags);
2393 }
2394 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2395 }
2396 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
2397 ha->host_no));
2398 }
2399
d97994dc 2400 if (test_and_clear_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags))
2401 qla2x00_update_fcports(ha);
2402
91ca7b01
AV		 2403 if (test_and_clear_bit(LOOP_RESET_NEEDED, &ha->dpc_flags)) {
2404 DEBUG(printk("scsi(%ld): dpc: sched loop_reset()\n",
2405 ha->host_no));
2406 qla2x00_loop_reset(ha);
2407 }
2408
1da177e4
LT		 2409 if (test_and_clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) &&
2410 (!(test_and_set_bit(RESET_ACTIVE, &ha->dpc_flags)))) {
2411
2412 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
2413 ha->host_no));
2414
2415 qla2x00_rst_aen(ha);
2416 clear_bit(RESET_ACTIVE, &ha->dpc_flags);
2417 }
2418
2419 /* Retry each device up to login retry count */
2420 if ((test_and_clear_bit(RELOGIN_NEEDED, &ha->dpc_flags)) &&
2421 !test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) &&
2422 atomic_read(&ha->loop_state) != LOOP_DOWN) {
2423
2424 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
2425 ha->host_no));
2426
2427 next_loopid = 0;
2428 list_for_each_entry(fcport, &ha->fcports, list) {
1da177e4
LT		 2429 /*
2430 * If the port is not ONLINE then try to login
2431 * to it if we haven't run out of retries.
2432 */
2433 if (atomic_read(&fcport->state) != FCS_ONLINE &&
2434 fcport->login_retry) {
2435
1da177e4
LT		 2436 if (fcport->flags & FCF_FABRIC_DEVICE) {
2437 if (fcport->flags &
2438 FCF_TAPE_PRESENT)
fd34f556 2439 ha->isp_ops->fabric_logout(
1c7c6357
AV		 2440 ha, fcport->loop_id,
2441 fcport->d_id.b.domain,
2442 fcport->d_id.b.area,
2443 fcport->d_id.b.al_pa);
1da177e4
LT		 2444 status = qla2x00_fabric_login(
2445 ha, fcport, &next_loopid);
2446 } else
2447 status =
2448 qla2x00_local_device_login(
9a52a57c 2449 ha, fcport);
1da177e4 2450
63a8651f 2451 fcport->login_retry--;
1da177e4
LT		 2452 if (status == QLA_SUCCESS) {
2453 fcport->old_loop_id = fcport->loop_id;
2454
2455 DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n",
2456 ha->host_no, fcport->loop_id));
fa2a1ce5 2457
052c40c8 2458 qla2x00_update_fcport(ha,
2459 fcport);
1da177e4
LT		 2460 } else if (status == 1) {
2461 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
2462 /* retry the login again */
2463 DEBUG(printk("scsi(%ld): Retrying %d login again loop_id 0x%x\n",
2464 ha->host_no,
2465 fcport->login_retry, fcport->loop_id));
2466 } else {
2467 fcport->login_retry = 0;
2468 }
63a8651f
RA		 2469 if (fcport->login_retry == 0)
2470 fcport->loop_id = FC_NO_LOOP_ID;
1da177e4
LT		 2471 }
2472 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2473 break;
2474 }
2475 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
2476 ha->host_no));
2477 }
2478
2479 if ((test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags)) &&
2480 atomic_read(&ha->loop_state) != LOOP_DOWN) {
2481
2482 clear_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags);
2483 DEBUG(printk("scsi(%ld): qla2x00_login_retry()\n",
2484 ha->host_no));
fa2a1ce5 2485
1da177e4
LT		 2486 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
2487
2488 DEBUG(printk("scsi(%ld): qla2x00_login_retry - end\n",
2489 ha->host_no));
2490 }
2491
2492 if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
2493
2494 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
2495 ha->host_no));
2496
2497 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
2498 &ha->dpc_flags))) {
2499
2c3dfe3f 2500 rval = qla2x00_loop_resync(ha);
1da177e4
LT		 2501
2502 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
2503 }
2504
2505 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
2506 ha->host_no));
2507 }
2508
1da177e4
LT		 2509 if (test_and_clear_bit(FCPORT_RESCAN_NEEDED, &ha->dpc_flags)) {
2510
2511 DEBUG(printk("scsi(%ld): Rescan flagged fcports...\n",
2512 ha->host_no));
2513
2514 qla2x00_rescan_fcports(ha);
2515
2516 DEBUG(printk("scsi(%ld): Rescan flagged fcports..."
2517 "end.\n",
2518 ha->host_no));
2519 }
2520
1da177e4 2521 if (!ha->interrupts_on)
fd34f556 2522 ha->isp_ops->enable_intrs(ha);
1da177e4 2523
f6df144c 2524 if (test_and_clear_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags))
fd34f556 2525 ha->isp_ops->beacon_blink(ha);
f6df144c 2526
2c3dfe3f
SJ		 2527 qla2x00_do_dpc_all_vps(ha);
2528
1da177e4
LT		 2529 ha->dpc_active = 0;
2530 } /* End of while(1) */
2531
2532 DEBUG(printk("scsi(%ld): DPC handler exiting\n", ha->host_no));
2533
2534 /*
2535 * Make sure that nobody tries to wake us up again.
2536 */
1da177e4
LT		 2537 ha->dpc_active = 0;
2538
39a11240
CH		 2539 return 0;
2540}
2541
2542void
2543qla2xxx_wake_dpc(scsi_qla_host_t *ha)
2544{
2545 if (ha->dpc_thread)
2546 wake_up_process(ha->dpc_thread);
1da177e4
LT		 2547}
2548
1da177e4
LT		 2549/*
2550* qla2x00_rst_aen
2551* Processes asynchronous reset.
2552*
2553* Input:
2554* ha = adapter block pointer.
2555*/
2556static void
fa2a1ce5 2557qla2x00_rst_aen(scsi_qla_host_t *ha)
1da177e4
LT		 2558{
2559 if (ha->flags.online && !ha->flags.reset_active &&
2560 !atomic_read(&ha->loop_down_timer) &&
2561 !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) {
2562 do {
2563 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
2564
2565 /*
2566 * Issue marker command only when we are going to start
2567 * the I/O.
2568 */
2569 ha->marker_needed = 1;
2570 } while (!atomic_read(&ha->loop_down_timer) &&
2571 (test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags)));
2572 }
2573}
2574
f4f051eb 2575static void
2576qla2x00_sp_free_dma(scsi_qla_host_t *ha, srb_t *sp)
2577{
2578 struct scsi_cmnd *cmd = sp->cmd;
2579
2580 if (sp->flags & SRB_DMA_VALID) {
385d70b4 2581 scsi_dma_unmap(cmd);
f4f051eb 2582 sp->flags &= ~SRB_DMA_VALID;
2583 }
fca29703 2584 CMD_SP(cmd) = NULL;
f4f051eb 2585}
2586
2587void
2588qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *sp)
2589{
2590 struct scsi_cmnd *cmd = sp->cmd;
2591
2592 qla2x00_sp_free_dma(ha, sp);
2593
f4f051eb 2594 mempool_free(sp, ha->srb_mempool);
2595
2596 cmd->scsi_done(cmd);
2597}
bdf79621 2598
1da177e4
LT		 2599/**************************************************************************
2600* qla2x00_timer
2601*
2602* Description:
2603* One second timer
2604*
2605* Context: Interrupt
2606***************************************************************************/
2c3dfe3f 2607void
1da177e4
LT		 2608qla2x00_timer(scsi_qla_host_t *ha)
2609{
1da177e4
LT		 2610 unsigned long cpu_flags = 0;
2611 fc_port_t *fcport;
1da177e4
LT		 2612 int start_dpc = 0;
2613 int index;
2614 srb_t *sp;
f4f051eb 2615 int t;
2c3dfe3f 2616 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4
LT		 2617
2618 /*
2619 * Ports - Port down timer.
2620 *
2621 * Whenever, a port is in the LOST state we start decrementing its port
2622 * down timer every second until it reaches zero. Once it reaches zero
fa2a1ce5 2623 * the port it marked DEAD.
1da177e4
LT		 2624 */
2625 t = 0;
2626 list_for_each_entry(fcport, &ha->fcports, list) {
2627 if (fcport->port_type != FCT_TARGET)
2628 continue;
2629
2630 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2631
2632 if (atomic_read(&fcport->port_down_timer) == 0)
2633 continue;
2634
fa2a1ce5 2635 if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
1da177e4 2636 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
fa2a1ce5 2637
1da177e4 2638 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
fca29703 2639 "%d remaining\n",
1da177e4
LT		 2640 ha->host_no,
2641 t, atomic_read(&fcport->port_down_timer)));
2642 }
2643 t++;
2644 } /* End of for fcport */
2645
1da177e4
LT		 2646
2647 /* Loop down handler. */
2648 if (atomic_read(&ha->loop_down_timer) > 0 &&
2649 !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) && ha->flags.online) {
2650
2651 if (atomic_read(&ha->loop_down_timer) ==
2652 ha->loop_down_abort_time) {
2653
2654 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2655 "queues before time expire\n",
2656 ha->host_no));
2657
2658 if (!IS_QLA2100(ha) && ha->link_down_timeout)
fa2a1ce5 2659 atomic_set(&ha->loop_state, LOOP_DEAD);
1da177e4
LT		 2660
2661 /* Schedule an ISP abort to return any tape commands. */
2c3dfe3f
SJ		 2662 /* NPIV - scan physical port only */
2663 if (!ha->parent) {
2664 spin_lock_irqsave(&ha->hardware_lock,
2665 cpu_flags);
2666 for (index = 1;
2667 index < MAX_OUTSTANDING_COMMANDS;
2668 index++) {
2669 fc_port_t *sfcp;
2670
2671 sp = ha->outstanding_cmds[index];
2672 if (!sp)
2673 continue;
2674 sfcp = sp->fcport;
2675 if (!(sfcp->flags & FCF_TAPE_PRESENT))
2676 continue;
bdf79621 2677
2c3dfe3f
SJ		 2678 set_bit(ISP_ABORT_NEEDED,
2679 &ha->dpc_flags);
2680 break;
2681 }
2682 spin_unlock_irqrestore(&ha->hardware_lock,
2683 cpu_flags);
1da177e4 2684 }
1da177e4
LT		 2685 set_bit(ABORT_QUEUES_NEEDED, &ha->dpc_flags);
2686 start_dpc++;
2687 }
2688
2689 /* if the loop has been down for 4 minutes, reinit adapter */
2690 if (atomic_dec_and_test(&ha->loop_down_timer) != 0) {
2691 DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - "
2692 "restarting queues.\n",
2693 ha->host_no));
2694
2695 set_bit(RESTART_QUEUES_NEEDED, &ha->dpc_flags);
2696 start_dpc++;
2697
2698 if (!(ha->device_flags & DFLG_NO_CABLE)) {
2699 DEBUG(printk("scsi(%ld): Loop down - "
2700 "aborting ISP.\n",
2701 ha->host_no));
2702 qla_printk(KERN_WARNING, ha,
2703 "Loop down - aborting ISP.\n");
2704
2705 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
2706 }
2707 }
fca29703 2708 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
1da177e4
LT		 2709 ha->host_no,
2710 atomic_read(&ha->loop_down_timer)));
2711 }
2712
f6df144c 2713 /* Check if beacon LED needs to be blinked */
2714 if (ha->beacon_blink_led == 1) {
2715 set_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags);
2716 start_dpc++;
2717 }
2718
1da177e4
LT		 2719 /* Schedule the DPC routine if needed */
2720 if ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) ||
2721 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) ||
91ca7b01 2722 test_bit(LOOP_RESET_NEEDED, &ha->dpc_flags) ||
d97994dc 2723 test_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags) ||
1da177e4
LT		 2724 start_dpc ||
2725 test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags) ||
f4f051eb 2726 test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) ||
f6df144c 2727 test_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags) ||
2c3dfe3f 2728 test_bit(VP_DPC_NEEDED, &ha->dpc_flags) ||
39a11240 2729 test_bit(RELOGIN_NEEDED, &ha->dpc_flags)))
2c3dfe3f 2730 qla2xxx_wake_dpc(pha);
1da177e4
LT		 2731
2732 qla2x00_restart_timer(ha, WATCH_INTERVAL);
2733}
2734
5433383e
AV		 2735/* Firmware interface routines. */
2736
c3a2f0df 2737#define FW_BLOBS 6
5433383e
AV		 2738#define FW_ISP21XX 0
2739#define FW_ISP22XX 1
2740#define FW_ISP2300 2
2741#define FW_ISP2322 3
48c02fde 2742#define FW_ISP24XX 4
c3a2f0df 2743#define FW_ISP25XX 5
5433383e 2744
bb8ee499
AV		 2745#define FW_FILE_ISP21XX "ql2100_fw.bin"
2746#define FW_FILE_ISP22XX "ql2200_fw.bin"
2747#define FW_FILE_ISP2300 "ql2300_fw.bin"
2748#define FW_FILE_ISP2322 "ql2322_fw.bin"
2749#define FW_FILE_ISP24XX "ql2400_fw.bin"
c3a2f0df 2750#define FW_FILE_ISP25XX "ql2500_fw.bin"
bb8ee499 2751
5433383e
AV		 2752static DECLARE_MUTEX(qla_fw_lock);
2753
2754static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
bb8ee499
AV		 2755 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
2756 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
2757 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
2758 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
2759 { .name = FW_FILE_ISP24XX, },
c3a2f0df 2760 { .name = FW_FILE_ISP25XX, },
5433383e
AV		 2761};
2762
2763struct fw_blob *
2764qla2x00_request_firmware(scsi_qla_host_t *ha)
2765{
2766 struct fw_blob *blob;
2767
2768 blob = NULL;
2769 if (IS_QLA2100(ha)) {
2770 blob = &qla_fw_blobs[FW_ISP21XX];
2771 } else if (IS_QLA2200(ha)) {
2772 blob = &qla_fw_blobs[FW_ISP22XX];
48c02fde 2773 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
5433383e 2774 blob = &qla_fw_blobs[FW_ISP2300];
48c02fde 2775 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
5433383e 2776 blob = &qla_fw_blobs[FW_ISP2322];
044cc6c8 2777 } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
5433383e 2778 blob = &qla_fw_blobs[FW_ISP24XX];
c3a2f0df
AV		 2779 } else if (IS_QLA25XX(ha)) {
2780 blob = &qla_fw_blobs[FW_ISP25XX];
5433383e
AV		 2781 }
2782
2783 down(&qla_fw_lock);
2784 if (blob->fw)
2785 goto out;
2786
2787 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
2788 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
2789 "(%s).\n", ha->host_no, blob->name));
2790 blob->fw = NULL;
2791 blob = NULL;
2792 goto out;
2793 }
2794
2795out:
2796 up(&qla_fw_lock);
2797 return blob;
2798}
2799
2800static void
2801qla2x00_release_firmware(void)
2802{
2803 int idx;
2804
2805 down(&qla_fw_lock);
2806 for (idx = 0; idx < FW_BLOBS; idx++)
2807 if (qla_fw_blobs[idx].fw)
2808 release_firmware(qla_fw_blobs[idx].fw);
2809 up(&qla_fw_lock);
2810}
2811
14e660e6
SJ		 2812static pci_ers_result_t
2813qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
2814{
2815 switch (state) {
2816 case pci_channel_io_normal:
2817 return PCI_ERS_RESULT_CAN_RECOVER;
2818 case pci_channel_io_frozen:
2819 pci_disable_device(pdev);
2820 return PCI_ERS_RESULT_NEED_RESET;
2821 case pci_channel_io_perm_failure:
2822 qla2x00_remove_one(pdev);
2823 return PCI_ERS_RESULT_DISCONNECT;
2824 }
2825 return PCI_ERS_RESULT_NEED_RESET;
2826}
2827
2828static pci_ers_result_t
2829qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
2830{
2831 int risc_paused = 0;
2832 uint32_t stat;
2833 unsigned long flags;
2834 scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2835 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2836 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
2837
2838 spin_lock_irqsave(&ha->hardware_lock, flags);
2839 if (IS_QLA2100(ha) || IS_QLA2200(ha)){
2840 stat = RD_REG_DWORD(&reg->hccr);
2841 if (stat & HCCR_RISC_PAUSE)
2842 risc_paused = 1;
2843 } else if (IS_QLA23XX(ha)) {
2844 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
2845 if (stat & HSR_RISC_PAUSED)
2846 risc_paused = 1;
2847 } else if (IS_FWI2_CAPABLE(ha)) {
2848 stat = RD_REG_DWORD(&reg24->host_status);
2849 if (stat & HSRX_RISC_PAUSED)
2850 risc_paused = 1;
2851 }
2852 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2853
2854 if (risc_paused) {
2855 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
2856 "Dumping firmware!\n");
2857 ha->isp_ops->fw_dump(ha, 0);
2858
2859 return PCI_ERS_RESULT_NEED_RESET;
2860 } else
2861 return PCI_ERS_RESULT_RECOVERED;
2862}
2863
2864static pci_ers_result_t
2865qla2xxx_pci_slot_reset(struct pci_dev *pdev)
2866{
2867 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
2868 scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2869
285d0321 2870 if (pci_enable_device_bars(pdev, ha->bars)) {
14e660e6
SJ		 2871 qla_printk(KERN_WARNING, ha,
2872 "Can't re-enable PCI device after reset.\n");
2873
2874 return ret;
2875 }
2876 pci_set_master(pdev);
2877
2878 if (ha->isp_ops->pci_config(ha))
2879 return ret;
2880
2881 set_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2882 if (qla2x00_abort_isp(ha)== QLA_SUCCESS)
2883 ret = PCI_ERS_RESULT_RECOVERED;
2884 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2885
2886 return ret;
2887}
2888
2889static void
2890qla2xxx_pci_resume(struct pci_dev *pdev)
2891{
2892 scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2893 int ret;
2894
2895 ret = qla2x00_wait_for_hba_online(ha);
2896 if (ret != QLA_SUCCESS) {
2897 qla_printk(KERN_ERR, ha,
2898 "the device failed to resume I/O "
2899 "from slot/link_reset");
2900 }
2901 pci_cleanup_aer_uncorrect_error_status(pdev);
2902}
2903
2904static struct pci_error_handlers qla2xxx_err_handler = {
2905 .error_detected = qla2xxx_pci_error_detected,
2906 .mmio_enabled = qla2xxx_pci_mmio_enabled,
2907 .slot_reset = qla2xxx_pci_slot_reset,
2908 .resume = qla2xxx_pci_resume,
2909};
2910
5433383e 2911static struct pci_device_id qla2xxx_pci_tbl[] = {
47f5e069
AV		 2912 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
2913 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
2914 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
2915 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
2916 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
2917 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
2918 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
2919 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
2920 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
2921 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
2922 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
c3a2f0df 2923 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
5433383e
AV		 2924 { 0 },
2925};
2926MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
2927
fca29703 2928static struct pci_driver qla2xxx_pci_driver = {
cb63067a 2929 .name = QLA2XXX_DRIVER_NAME,
0a21ef1e
JB		 2930 .driver = {
2931 .owner = THIS_MODULE,
2932 },
fca29703 2933 .id_table = qla2xxx_pci_tbl,
7ee61397
AV		 2934 .probe = qla2x00_probe_one,
2935 .remove = __devexit_p(qla2x00_remove_one),
14e660e6 2936 .err_handler = &qla2xxx_err_handler,
fca29703
AV		 2937};
2938
1da177e4
LT		 2939/**
2940 * qla2x00_module_init - Module initialization.
2941 **/
2942static int __init
2943qla2x00_module_init(void)
2944{
fca29703
AV		 2945 int ret = 0;
2946
1da177e4 2947 /* Allocate cache for SRBs. */
354d6b21 2948 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
20c2df83 2949 SLAB_HWCACHE_ALIGN, NULL);
1da177e4
LT		 2950 if (srb_cachep == NULL) {
2951 printk(KERN_ERR
2952 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
2953 return -ENOMEM;
2954 }
2955
2956 /* Derive version string. */
2957 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
11010fec 2958 if (ql2xextended_error_logging)
0181944f
AV		 2959 strcat(qla2x00_version_str, "-debug");
2960
1c97a12a
AV		 2961 qla2xxx_transport_template =
2962 fc_attach_transport(&qla2xxx_transport_functions);
2c3dfe3f
SJ		 2963 if (!qla2xxx_transport_template) {
2964 kmem_cache_destroy(srb_cachep);
1da177e4 2965 return -ENODEV;
2c3dfe3f
SJ		 2966 }
2967 qla2xxx_transport_vport_template =
2968 fc_attach_transport(&qla2xxx_transport_vport_functions);
2969 if (!qla2xxx_transport_vport_template) {
2970 kmem_cache_destroy(srb_cachep);
2971 fc_release_transport(qla2xxx_transport_template);
1da177e4 2972 return -ENODEV;
2c3dfe3f 2973 }
1da177e4
LT		 2974
2975 printk(KERN_INFO "QLogic Fibre Channel HBA Driver\n");
7ee61397 2976 ret = pci_register_driver(&qla2xxx_pci_driver);
fca29703
AV		 2977 if (ret) {
2978 kmem_cache_destroy(srb_cachep);
2979 fc_release_transport(qla2xxx_transport_template);
2c3dfe3f 2980 fc_release_transport(qla2xxx_transport_vport_template);
fca29703
AV		 2981 }
2982 return ret;
1da177e4
LT		 2983}
2984
2985/**
2986 * qla2x00_module_exit - Module cleanup.
2987 **/
2988static void __exit
2989qla2x00_module_exit(void)
2990{
7ee61397 2991 pci_unregister_driver(&qla2xxx_pci_driver);
5433383e 2992 qla2x00_release_firmware();
354d6b21 2993 kmem_cache_destroy(srb_cachep);
1da177e4 2994 fc_release_transport(qla2xxx_transport_template);
2c3dfe3f 2995 fc_release_transport(qla2xxx_transport_vport_template);
1da177e4
LT		 2996}
2997
2998module_init(qla2x00_module_init);
2999module_exit(qla2x00_module_exit);
3000
3001MODULE_AUTHOR("QLogic Corporation");
3002MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
3003MODULE_LICENSE("GPL");
3004MODULE_VERSION(QLA2XXX_VERSION);
bb8ee499
AV		 3005MODULE_FIRMWARE(FW_FILE_ISP21XX);
3006MODULE_FIRMWARE(FW_FILE_ISP22XX);
3007MODULE_FIRMWARE(FW_FILE_ISP2300);
3008MODULE_FIRMWARE(FW_FILE_ISP2322);
3009MODULE_FIRMWARE(FW_FILE_ISP24XX);
Linux kernel - Deliverables
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