]> git.proxmox.com Git - mirror_ubuntu-bionic-kernel.git/blame - drivers/scsi/qla2xxx/qla_os.c
projects / mirror_ubuntu-bionic-kernel.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
[SCSI] qla2xxx: Clear EFT buffer before firmware reinitialization.
[mirror_ubuntu-bionic-kernel.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
AV		 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,
134 .sg_tablesize = SG_ALL,
135
136 /*
137 * The RISC allows for each command to transfer (2^32-1) bytes of data,
138 * which equates to 0x800000 sectors.
139 */
140 .max_sectors = 0xFFFF,
afb046e2 141 .shost_attrs = qla2x00_host_attrs,
1da177e4
LT		 142};
143
2c3dfe3f 144struct scsi_host_template qla24xx_driver_template = {
fca29703 145 .module = THIS_MODULE,
cb63067a 146 .name = QLA2XXX_DRIVER_NAME,
fca29703
AV		 147 .queuecommand = qla24xx_queuecommand,
148
149 .eh_abort_handler = qla2xxx_eh_abort,
150 .eh_device_reset_handler = qla2xxx_eh_device_reset,
151 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
152 .eh_host_reset_handler = qla2xxx_eh_host_reset,
153
154 .slave_configure = qla2xxx_slave_configure,
155
156 .slave_alloc = qla2xxx_slave_alloc,
157 .slave_destroy = qla2xxx_slave_destroy,
ed677086
AV		 158 .scan_finished = qla2xxx_scan_finished,
159 .scan_start = qla2xxx_scan_start,
ce7e4af7
AV		 160 .change_queue_depth = qla2x00_change_queue_depth,
161 .change_queue_type = qla2x00_change_queue_type,
fca29703
AV		 162 .this_id = -1,
163 .cmd_per_lun = 3,
164 .use_clustering = ENABLE_CLUSTERING,
165 .sg_tablesize = SG_ALL,
166
167 .max_sectors = 0xFFFF,
afb046e2 168 .shost_attrs = qla2x00_host_attrs,
fca29703
AV		 169};
170
1da177e4 171static struct scsi_transport_template *qla2xxx_transport_template = NULL;
2c3dfe3f 172struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
1da177e4 173
1da177e4
LT		 174/* TODO Convert to inlines
175 *
176 * Timer routines
177 */
1da177e4 178
2c3dfe3f 179__inline__ void
1da177e4
LT		 180qla2x00_start_timer(scsi_qla_host_t *ha, void *func, unsigned long interval)
181{
182 init_timer(&ha->timer);
183 ha->timer.expires = jiffies + interval * HZ;
184 ha->timer.data = (unsigned long)ha;
185 ha->timer.function = (void (*)(unsigned long))func;
186 add_timer(&ha->timer);
187 ha->timer_active = 1;
188}
189
190static inline void
191qla2x00_restart_timer(scsi_qla_host_t *ha, unsigned long interval)
192{
193 mod_timer(&ha->timer, jiffies + interval * HZ);
194}
195
a824ebb3 196static __inline__ void
1da177e4
LT		 197qla2x00_stop_timer(scsi_qla_host_t *ha)
198{
199 del_timer_sync(&ha->timer);
200 ha->timer_active = 0;
201}
202
1da177e4
LT		 203static int qla2x00_do_dpc(void *data);
204
205static void qla2x00_rst_aen(scsi_qla_host_t *);
206
a824ebb3
AB		 207static uint8_t qla2x00_mem_alloc(scsi_qla_host_t *);
208static void qla2x00_mem_free(scsi_qla_host_t *ha);
1da177e4
LT		 209static int qla2x00_allocate_sp_pool( scsi_qla_host_t *ha);
210static void qla2x00_free_sp_pool(scsi_qla_host_t *ha);
f4f051eb 211static void qla2x00_sp_free_dma(scsi_qla_host_t *, srb_t *);
1da177e4 212
1da177e4
LT		 213/* -------------------------------------------------------------------------- */
214
1da177e4 215static char *
abbd8870 216qla2x00_pci_info_str(struct scsi_qla_host *ha, char *str)
1da177e4
LT		 217{
218 static char *pci_bus_modes[] = {
219 "33", "66", "100", "133",
220 };
221 uint16_t pci_bus;
222
223 strcpy(str, "PCI");
224 pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
225 if (pci_bus) {
226 strcat(str, "-X (");
227 strcat(str, pci_bus_modes[pci_bus]);
228 } else {
229 pci_bus = (ha->pci_attr & BIT_8) >> 8;
230 strcat(str, " (");
231 strcat(str, pci_bus_modes[pci_bus]);
232 }
233 strcat(str, " MHz)");
234
235 return (str);
236}
237
fca29703
AV		 238static char *
239qla24xx_pci_info_str(struct scsi_qla_host *ha, char *str)
240{
241 static char *pci_bus_modes[] = { "33", "66", "100", "133", };
242 uint32_t pci_bus;
243 int pcie_reg;
244
245 pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
246 if (pcie_reg) {
247 char lwstr[6];
248 uint16_t pcie_lstat, lspeed, lwidth;
249
250 pcie_reg += 0x12;
251 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
252 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
253 lwidth = (pcie_lstat &
254 (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
255
256 strcpy(str, "PCIe (");
257 if (lspeed == 1)
258 strcat(str, "2.5Gb/s ");
c3a2f0df
AV		 259 else if (lspeed == 2)
260 strcat(str, "5.0Gb/s ");
fca29703
AV		 261 else
262 strcat(str, "<unknown> ");
263 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
264 strcat(str, lwstr);
265
266 return str;
267 }
268
269 strcpy(str, "PCI");
270 pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
271 if (pci_bus == 0 || pci_bus == 8) {
272 strcat(str, " (");
273 strcat(str, pci_bus_modes[pci_bus >> 3]);
274 } else {
275 strcat(str, "-X ");
276 if (pci_bus & BIT_2)
277 strcat(str, "Mode 2");
278 else
279 strcat(str, "Mode 1");
280 strcat(str, " (");
281 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
282 }
283 strcat(str, " MHz)");
284
285 return str;
286}
287
e5f82ab8 288static char *
abbd8870 289qla2x00_fw_version_str(struct scsi_qla_host *ha, char *str)
1da177e4
LT		 290{
291 char un_str[10];
fa2a1ce5 292
1da177e4
LT		 293 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
294 ha->fw_minor_version,
295 ha->fw_subminor_version);
296
297 if (ha->fw_attributes & BIT_9) {
298 strcat(str, "FLX");
299 return (str);
300 }
301
302 switch (ha->fw_attributes & 0xFF) {
303 case 0x7:
304 strcat(str, "EF");
305 break;
306 case 0x17:
307 strcat(str, "TP");
308 break;
309 case 0x37:
310 strcat(str, "IP");
311 break;
312 case 0x77:
313 strcat(str, "VI");
314 break;
315 default:
316 sprintf(un_str, "(%x)", ha->fw_attributes);
317 strcat(str, un_str);
318 break;
319 }
320 if (ha->fw_attributes & 0x100)
321 strcat(str, "X");
322
323 return (str);
324}
325
e5f82ab8 326static char *
fca29703
AV		 327qla24xx_fw_version_str(struct scsi_qla_host *ha, char *str)
328{
f0883ac6
AV		 329 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
330 ha->fw_minor_version,
331 ha->fw_subminor_version);
332
fca29703
AV		 333 if (ha->fw_attributes & BIT_0)
334 strcat(str, "[Class 2] ");
335 if (ha->fw_attributes & BIT_1)
336 strcat(str, "[IP] ");
337 if (ha->fw_attributes & BIT_2)
338 strcat(str, "[Multi-ID] ");
c3a2f0df
AV		 339 if (ha->fw_attributes & BIT_3)
340 strcat(str, "[SB-2] ");
341 if (ha->fw_attributes & BIT_4)
342 strcat(str, "[T10 CRC] ");
343 if (ha->fw_attributes & BIT_5)
344 strcat(str, "[VI] ");
fca29703
AV		 345 if (ha->fw_attributes & BIT_13)
346 strcat(str, "[Experimental]");
347 return str;
fca29703
AV		 348}
349
350static inline srb_t *
351qla2x00_get_new_sp(scsi_qla_host_t *ha, fc_port_t *fcport,
352 struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
353{
354 srb_t *sp;
355
356 sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
357 if (!sp)
358 return sp;
359
fca29703
AV		 360 sp->ha = ha;
361 sp->fcport = fcport;
362 sp->cmd = cmd;
363 sp->flags = 0;
364 CMD_SP(cmd) = (void *)sp;
365 cmd->scsi_done = done;
366
367 return sp;
368}
369
1da177e4 370static int
f4f051eb 371qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
1da177e4 372{
f363b943 373 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
bdf79621 374 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
19a7b4ae 375 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
f4f051eb
AV		 376 srb_t *sp;
377 int rval;
1da177e4 378
14e660e6
SJ		 379 if (unlikely(pci_channel_offline(ha->pdev))) {
380 cmd->result = DID_REQUEUE << 16;
381 goto qc_fail_command;
382 }
383
19a7b4ae
JSEC		 384 rval = fc_remote_port_chkready(rport);
385 if (rval) {
386 cmd->result = rval;
f4f051eb
AV		 387 goto qc_fail_command;
388 }
1da177e4 389
387f96b4
AV		 390 /* Close window on fcport/rport state-transitioning. */
391 if (!*(fc_port_t **)rport->dd_data) {
392 cmd->result = DID_IMM_RETRY << 16;
393 goto qc_fail_command;
394 }
395
f4f051eb
AV		 396 if (atomic_read(&fcport->state) != FCS_ONLINE) {
397 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
398 atomic_read(&ha->loop_state) == LOOP_DEAD) {
399 cmd->result = DID_NO_CONNECT << 16;
400 goto qc_fail_command;
401 }
402 goto qc_host_busy;
403 }
1da177e4
LT		 404
405 spin_unlock_irq(ha->host->host_lock);
406
fca29703
AV		 407 sp = qla2x00_get_new_sp(ha, fcport, cmd, done);
408 if (!sp)
f4f051eb 409 goto qc_host_busy_lock;
1da177e4 410
f4f051eb
AV		 411 rval = qla2x00_start_scsi(sp);
412 if (rval != QLA_SUCCESS)
413 goto qc_host_busy_free_sp;
1da177e4 414
f4f051eb 415 spin_lock_irq(ha->host->host_lock);
1da177e4 416
f4f051eb 417 return 0;
1da177e4 418
f4f051eb
AV		 419qc_host_busy_free_sp:
420 qla2x00_sp_free_dma(ha, sp);
f4f051eb 421 mempool_free(sp, ha->srb_mempool);
1da177e4 422
f4f051eb
AV		 423qc_host_busy_lock:
424 spin_lock_irq(ha->host->host_lock);
1da177e4 425
f4f051eb
AV		 426qc_host_busy:
427 return SCSI_MLQUEUE_HOST_BUSY;
1da177e4 428
f4f051eb
AV		 429qc_fail_command:
430 done(cmd);
1da177e4 431
f4f051eb 432 return 0;
1da177e4
LT		 433}
434
fca29703
AV		 435
436static int
437qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
438{
f363b943 439 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
fca29703 440 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
19a7b4ae 441 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
fca29703
AV		 442 srb_t *sp;
443 int rval;
2c3dfe3f 444 scsi_qla_host_t *pha = to_qla_parent(ha);
fca29703 445
14e660e6
SJ		 446 if (unlikely(pci_channel_offline(ha->pdev))) {
447 cmd->result = DID_REQUEUE << 16;
448 goto qc24_fail_command;
449 }
450
19a7b4ae
JSEC		 451 rval = fc_remote_port_chkready(rport);
452 if (rval) {
453 cmd->result = rval;
fca29703
AV		 454 goto qc24_fail_command;
455 }
456
387f96b4
AV		 457 /* Close window on fcport/rport state-transitioning. */
458 if (!*(fc_port_t **)rport->dd_data) {
459 cmd->result = DID_IMM_RETRY << 16;
460 goto qc24_fail_command;
461 }
462
fca29703
AV		 463 if (atomic_read(&fcport->state) != FCS_ONLINE) {
464 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
2c3dfe3f 465 atomic_read(&pha->loop_state) == LOOP_DEAD) {
fca29703
AV		 466 cmd->result = DID_NO_CONNECT << 16;
467 goto qc24_fail_command;
468 }
469 goto qc24_host_busy;
470 }
471
472 spin_unlock_irq(ha->host->host_lock);
473
2c3dfe3f 474 sp = qla2x00_get_new_sp(pha, fcport, cmd, done);
fca29703
AV		 475 if (!sp)
476 goto qc24_host_busy_lock;
477
478 rval = qla24xx_start_scsi(sp);
479 if (rval != QLA_SUCCESS)
480 goto qc24_host_busy_free_sp;
481
482 spin_lock_irq(ha->host->host_lock);
483
484 return 0;
485
486qc24_host_busy_free_sp:
2c3dfe3f
SJ		 487 qla2x00_sp_free_dma(pha, sp);
488 mempool_free(sp, pha->srb_mempool);
fca29703
AV		 489
490qc24_host_busy_lock:
491 spin_lock_irq(ha->host->host_lock);
492
493qc24_host_busy:
494 return SCSI_MLQUEUE_HOST_BUSY;
495
496qc24_fail_command:
497 done(cmd);
498
499 return 0;
500}
501
502
1da177e4
LT		 503/*
504 * qla2x00_eh_wait_on_command
505 * Waits for the command to be returned by the Firmware for some
506 * max time.
507 *
508 * Input:
509 * ha = actual ha whose done queue will contain the command
510 * returned by firmware.
511 * cmd = Scsi Command to wait on.
512 * flag = Abort/Reset(Bus or Device Reset)
513 *
514 * Return:
515 * Not Found : 0
516 * Found : 1
517 */
518static int
519qla2x00_eh_wait_on_command(scsi_qla_host_t *ha, struct scsi_cmnd *cmd)
520{
fe74c71f
AV		 521#define ABORT_POLLING_PERIOD 1000
522#define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
f4f051eb
AV		 523 unsigned long wait_iter = ABORT_WAIT_ITER;
524 int ret = QLA_SUCCESS;
1da177e4 525
f4f051eb 526 while (CMD_SP(cmd)) {
fe74c71f 527 msleep(ABORT_POLLING_PERIOD);
1da177e4 528
f4f051eb
AV		 529 if (--wait_iter)
530 break;
531 }
532 if (CMD_SP(cmd))
533 ret = QLA_FUNCTION_FAILED;
1da177e4 534
f4f051eb 535 return ret;
1da177e4
LT		 536}
537
538/*
539 * qla2x00_wait_for_hba_online
fa2a1ce5 540 * Wait till the HBA is online after going through
1da177e4
LT		 541 * <= MAX_RETRIES_OF_ISP_ABORT or
542 * finally HBA is disabled ie marked offline
543 *
544 * Input:
545 * ha - pointer to host adapter structure
fa2a1ce5
AV		 546 *
547 * Note:
1da177e4
LT		 548 * Does context switching-Release SPIN_LOCK
549 * (if any) before calling this routine.
550 *
551 * Return:
552 * Success (Adapter is online) : 0
553 * Failed (Adapter is offline/disabled) : 1
554 */
854165f4 555int
1da177e4
LT		 556qla2x00_wait_for_hba_online(scsi_qla_host_t *ha)
557{
fca29703
AV		 558 int return_status;
559 unsigned long wait_online;
2c3dfe3f 560 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4 561
fa2a1ce5 562 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
2c3dfe3f
SJ		 563 while (((test_bit(ISP_ABORT_NEEDED, &pha->dpc_flags)) ||
564 test_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags) ||
565 test_bit(ISP_ABORT_RETRY, &pha->dpc_flags) ||
566 pha->dpc_active) && time_before(jiffies, wait_online)) {
1da177e4
LT		 567
568 msleep(1000);
569 }
2c3dfe3f 570 if (pha->flags.online)
fa2a1ce5 571 return_status = QLA_SUCCESS;
1da177e4
LT		 572 else
573 return_status = QLA_FUNCTION_FAILED;
574
575 DEBUG2(printk("%s return_status=%d\n",__func__,return_status));
576
577 return (return_status);
578}
579
580/*
581 * qla2x00_wait_for_loop_ready
582 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
fa2a1ce5 583 * to be in LOOP_READY state.
1da177e4
LT		 584 * Input:
585 * ha - pointer to host adapter structure
fa2a1ce5
AV		 586 *
587 * Note:
1da177e4
LT		 588 * Does context switching-Release SPIN_LOCK
589 * (if any) before calling this routine.
fa2a1ce5 590 *
1da177e4
LT		 591 *
592 * Return:
593 * Success (LOOP_READY) : 0
594 * Failed (LOOP_NOT_READY) : 1
595 */
fa2a1ce5 596static inline int
1da177e4
LT		 597qla2x00_wait_for_loop_ready(scsi_qla_host_t *ha)
598{
599 int return_status = QLA_SUCCESS;
600 unsigned long loop_timeout ;
2c3dfe3f 601 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4
LT		 602
603 /* wait for 5 min at the max for loop to be ready */
fa2a1ce5 604 loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1da177e4 605
2c3dfe3f
SJ		 606 while ((!atomic_read(&pha->loop_down_timer) &&
607 atomic_read(&pha->loop_state) == LOOP_DOWN) ||
608 atomic_read(&pha->loop_state) != LOOP_READY) {
609 if (atomic_read(&pha->loop_state) == LOOP_DEAD) {
57680080
RA		 610 return_status = QLA_FUNCTION_FAILED;
611 break;
612 }
1da177e4
LT		 613 msleep(1000);
614 if (time_after_eq(jiffies, loop_timeout)) {
615 return_status = QLA_FUNCTION_FAILED;
616 break;
617 }
618 }
fa2a1ce5 619 return (return_status);
1da177e4
LT		 620}
621
07db5183
AV		 622static void
623qla2x00_block_error_handler(struct scsi_cmnd *cmnd)
624{
625 struct Scsi_Host *shost = cmnd->device->host;
626 struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device));
627 unsigned long flags;
628
629 spin_lock_irqsave(shost->host_lock, flags);
630 while (rport->port_state == FC_PORTSTATE_BLOCKED) {
631 spin_unlock_irqrestore(shost->host_lock, flags);
632 msleep(1000);
633 spin_lock_irqsave(shost->host_lock, flags);
634 }
635 spin_unlock_irqrestore(shost->host_lock, flags);
636 return;
637}
638
1da177e4
LT		 639/**************************************************************************
640* qla2xxx_eh_abort
641*
642* Description:
643* The abort function will abort the specified command.
644*
645* Input:
646* cmd = Linux SCSI command packet to be aborted.
647*
648* Returns:
649* Either SUCCESS or FAILED.
650*
651* Note:
2ea00202 652* Only return FAILED if command not returned by firmware.
1da177e4 653**************************************************************************/
e5f82ab8 654static int
1da177e4
LT		 655qla2xxx_eh_abort(struct scsi_cmnd *cmd)
656{
f363b943 657 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
f4f051eb
AV		 658 srb_t *sp;
659 int ret, i;
660 unsigned int id, lun;
661 unsigned long serial;
18e144d3 662 unsigned long flags;
2ea00202 663 int wait = 0;
2c3dfe3f 664 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4 665
07db5183
AV		 666 qla2x00_block_error_handler(cmd);
667
f4f051eb 668 if (!CMD_SP(cmd))
2ea00202 669 return SUCCESS;
1da177e4 670
2ea00202 671 ret = SUCCESS;
1da177e4 672
f4f051eb
AV		 673 id = cmd->device->id;
674 lun = cmd->device->lun;
675 serial = cmd->serial_number;
1da177e4 676
f4f051eb 677 /* Check active list for command command. */
2c3dfe3f 678 spin_lock_irqsave(&pha->hardware_lock, flags);
f4f051eb 679 for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
2c3dfe3f 680 sp = pha->outstanding_cmds[i];
1da177e4 681
f4f051eb
AV		 682 if (sp == NULL)
683 continue;
1da177e4 684
f4f051eb
AV		 685 if (sp->cmd != cmd)
686 continue;
1da177e4 687
75bc4190
AV		 688 DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld.\n",
689 __func__, ha->host_no, sp, serial));
744f11fd 690 DEBUG3(qla2x00_print_scsi_cmd(cmd));
1da177e4 691
2c3dfe3f 692 spin_unlock_irqrestore(&pha->hardware_lock, flags);
fd34f556 693 if (ha->isp_ops->abort_command(ha, sp)) {
f4f051eb
AV		 694 DEBUG2(printk("%s(%ld): abort_command "
695 "mbx failed.\n", __func__, ha->host_no));
696 } else {
697 DEBUG3(printk("%s(%ld): abort_command "
698 "mbx success.\n", __func__, ha->host_no));
2ea00202 699 wait = 1;
f4f051eb 700 }
2c3dfe3f 701 spin_lock_irqsave(&pha->hardware_lock, flags);
1da177e4 702
f4f051eb
AV		 703 break;
704 }
2c3dfe3f 705 spin_unlock_irqrestore(&pha->hardware_lock, flags);
1da177e4 706
f4f051eb 707 /* Wait for the command to be returned. */
2ea00202 708 if (wait) {
f4f051eb 709 if (qla2x00_eh_wait_on_command(ha, cmd) != QLA_SUCCESS) {
fa2a1ce5 710 qla_printk(KERN_ERR, ha,
f4f051eb
AV		 711 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
712 "%x.\n", ha->host_no, id, lun, serial, ret);
2ea00202 713 ret = FAILED;
f4f051eb 714 }
1da177e4 715 }
1da177e4 716
fa2a1ce5 717 qla_printk(KERN_INFO, ha,
2ea00202
MR		 718 "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
719 ha->host_no, id, lun, wait, serial, ret);
1da177e4 720
f4f051eb
AV		 721 return ret;
722}
1da177e4 723
f4f051eb
AV		 724/**************************************************************************
725* qla2x00_eh_wait_for_pending_target_commands
726*
727* Description:
728* Waits for all the commands to come back from the specified target.
729*
730* Input:
731* ha - pointer to scsi_qla_host structure.
fa2a1ce5 732* t - target
f4f051eb
AV		 733* Returns:
734* Either SUCCESS or FAILED.
735*
736* Note:
737**************************************************************************/
738static int
739qla2x00_eh_wait_for_pending_target_commands(scsi_qla_host_t *ha, unsigned int t)
740{
741 int cnt;
742 int status;
743 srb_t *sp;
744 struct scsi_cmnd *cmd;
18e144d3 745 unsigned long flags;
2c3dfe3f 746 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4 747
f4f051eb 748 status = 0;
1da177e4
LT		 749
750 /*
f4f051eb
AV		 751 * Waiting for all commands for the designated target in the active
752 * array
1da177e4
LT		 753 */
754 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
2c3dfe3f
SJ		 755 spin_lock_irqsave(&pha->hardware_lock, flags);
756 sp = pha->outstanding_cmds[cnt];
1da177e4
LT		 757 if (sp) {
758 cmd = sp->cmd;
2c3dfe3f
SJ		 759 spin_unlock_irqrestore(&pha->hardware_lock, flags);
760 if (cmd->device->id == t &&
761 ha->vp_idx == sp->ha->vp_idx) {
1da177e4
LT		 762 if (!qla2x00_eh_wait_on_command(ha, cmd)) {
763 status = 1;
764 break;
765 }
766 }
f4f051eb 767 } else {
2c3dfe3f 768 spin_unlock_irqrestore(&pha->hardware_lock, flags);
1da177e4
LT		 769 }
770 }
771 return (status);
772}
773
774
775/**************************************************************************
776* qla2xxx_eh_device_reset
777*
778* Description:
779* The device reset function will reset the target and abort any
780* executing commands.
781*
782* NOTE: The use of SP is undefined within this context. Do *NOT*
fa2a1ce5 783* attempt to use this value, even if you determine it is
1da177e4
LT		 784* non-null.
785*
786* Input:
787* cmd = Linux SCSI command packet of the command that cause the
788* bus device reset.
789*
790* Returns:
791* SUCCESS/FAILURE (defined as macro in scsi.h).
792*
793**************************************************************************/
e5f82ab8 794static int
1da177e4
LT		 795qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
796{
f363b943 797 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
bdf79621 798 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
2c3dfe3f 799 int ret = FAILED;
f4f051eb
AV		 800 unsigned int id, lun;
801 unsigned long serial;
1da177e4 802
07db5183
AV		 803 qla2x00_block_error_handler(cmd);
804
f4f051eb
AV		 805 id = cmd->device->id;
806 lun = cmd->device->lun;
807 serial = cmd->serial_number;
1da177e4 808
b0328bee 809 if (!fcport)
f4f051eb 810 return ret;
1da177e4
LT		 811
812 qla_printk(KERN_INFO, ha,
f4f051eb 813 "scsi(%ld:%d:%d): DEVICE RESET ISSUED.\n", ha->host_no, id, lun);
1da177e4 814
94d0e7b8 815 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
1da177e4 816 goto eh_dev_reset_done;
1da177e4
LT		 817
818 if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
f4f051eb
AV		 819 if (qla2x00_device_reset(ha, fcport) == 0)
820 ret = SUCCESS;
1da177e4
LT		 821
822#if defined(LOGOUT_AFTER_DEVICE_RESET)
f4f051eb
AV		 823 if (ret == SUCCESS) {
824 if (fcport->flags & FC_FABRIC_DEVICE) {
fd34f556 825 ha->isp_ops->fabric_logout(ha, fcport->loop_id);
d97994dc 826 qla2x00_mark_device_lost(ha, fcport, 0, 0);
1da177e4
LT		 827 }
828 }
829#endif
830 } else {
831 DEBUG2(printk(KERN_INFO
744f11fd 832 "%s failed: loop not ready\n",__func__));
1da177e4
LT		 833 }
834
f4f051eb 835 if (ret == FAILED) {
1da177e4
LT		 836 DEBUG3(printk("%s(%ld): device reset failed\n",
837 __func__, ha->host_no));
838 qla_printk(KERN_INFO, ha, "%s: device reset failed\n",
839 __func__);
840
841 goto eh_dev_reset_done;
842 }
843
9a41a62b
AV		 844 /* Flush outstanding commands. */
845 if (qla2x00_eh_wait_for_pending_target_commands(ha, id))
846 ret = FAILED;
847 if (ret == FAILED) {
848 DEBUG3(printk("%s(%ld): failed while waiting for commands\n",
849 __func__, ha->host_no));
850 qla_printk(KERN_INFO, ha,
851 "%s: failed while waiting for commands\n", __func__);
852 } else
853 qla_printk(KERN_INFO, ha,
854 "scsi(%ld:%d:%d): DEVICE RESET SUCCEEDED.\n", ha->host_no,
855 id, lun);
28f22b03 856 eh_dev_reset_done:
f4f051eb 857 return ret;
1da177e4
LT		 858}
859
860/**************************************************************************
861* qla2x00_eh_wait_for_pending_commands
862*
863* Description:
864* Waits for all the commands to come back from the specified host.
865*
866* Input:
867* ha - pointer to scsi_qla_host structure.
868*
869* Returns:
870* 1 : SUCCESS
871* 0 : FAILED
872*
873* Note:
874**************************************************************************/
875static int
876qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha)
877{
878 int cnt;
879 int status;
880 srb_t *sp;
881 struct scsi_cmnd *cmd;
18e144d3 882 unsigned long flags;
1da177e4
LT		 883
884 status = 1;
885
886 /*
887 * Waiting for all commands for the designated target in the active
888 * array
889 */
890 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
18e144d3 891 spin_lock_irqsave(&ha->hardware_lock, flags);
1da177e4
LT		 892 sp = ha->outstanding_cmds[cnt];
893 if (sp) {
894 cmd = sp->cmd;
18e144d3 895 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1da177e4
LT		 896 status = qla2x00_eh_wait_on_command(ha, cmd);
897 if (status == 0)
898 break;
899 }
900 else {
18e144d3 901 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1da177e4
LT		 902 }
903 }
904 return (status);
905}
906
907
908/**************************************************************************
909* qla2xxx_eh_bus_reset
910*
911* Description:
912* The bus reset function will reset the bus and abort any executing
913* commands.
914*
915* Input:
916* cmd = Linux SCSI command packet of the command that cause the
917* bus reset.
918*
919* Returns:
920* SUCCESS/FAILURE (defined as macro in scsi.h).
921*
922**************************************************************************/
e5f82ab8 923static int
1da177e4
LT		 924qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
925{
f363b943 926 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
2c3dfe3f 927 scsi_qla_host_t *pha = to_qla_parent(ha);
bdf79621 928 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
2c3dfe3f 929 int ret = FAILED;
f4f051eb
AV		 930 unsigned int id, lun;
931 unsigned long serial;
932
07db5183
AV		 933 qla2x00_block_error_handler(cmd);
934
f4f051eb
AV		 935 id = cmd->device->id;
936 lun = cmd->device->lun;
937 serial = cmd->serial_number;
1da177e4 938
b0328bee 939 if (!fcport)
f4f051eb 940 return ret;
1da177e4
LT		 941
942 qla_printk(KERN_INFO, ha,
f4f051eb 943 "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha->host_no, id, lun);
1da177e4 944
1da177e4
LT		 945 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) {
946 DEBUG2(printk("%s failed:board disabled\n",__func__));
f4f051eb 947 goto eh_bus_reset_done;
1da177e4
LT		 948 }
949
950 if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
f4f051eb
AV		 951 if (qla2x00_loop_reset(ha) == QLA_SUCCESS)
952 ret = SUCCESS;
1da177e4 953 }
f4f051eb
AV		 954 if (ret == FAILED)
955 goto eh_bus_reset_done;
1da177e4 956
9a41a62b 957 /* Flush outstanding commands. */
2c3dfe3f 958 if (!qla2x00_eh_wait_for_pending_commands(pha))
9a41a62b 959 ret = FAILED;
1da177e4 960
f4f051eb 961eh_bus_reset_done:
1da177e4 962 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
f4f051eb 963 (ret == FAILED) ? "failed" : "succeded");
1da177e4 964
f4f051eb 965 return ret;
1da177e4
LT		 966}
967
968/**************************************************************************
969* qla2xxx_eh_host_reset
970*
971* Description:
972* The reset function will reset the Adapter.
973*
974* Input:
975* cmd = Linux SCSI command packet of the command that cause the
976* adapter reset.
977*
978* Returns:
979* Either SUCCESS or FAILED.
980*
981* Note:
982**************************************************************************/
e5f82ab8 983static int
1da177e4
LT		 984qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
985{
f363b943 986 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
bdf79621 987 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
2c3dfe3f 988 int ret = FAILED;
f4f051eb
AV		 989 unsigned int id, lun;
990 unsigned long serial;
2c3dfe3f 991 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4 992
07db5183
AV		 993 qla2x00_block_error_handler(cmd);
994
f4f051eb
AV		 995 id = cmd->device->id;
996 lun = cmd->device->lun;
997 serial = cmd->serial_number;
998
b0328bee 999 if (!fcport)
f4f051eb 1000 return ret;
1da177e4 1001
1da177e4 1002 qla_printk(KERN_INFO, ha,
f4f051eb 1003 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha->host_no, id, lun);
1da177e4 1004
1da177e4 1005 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
f4f051eb 1006 goto eh_host_reset_lock;
1da177e4
LT		 1007
1008 /*
1009 * Fixme-may be dpc thread is active and processing
fa2a1ce5 1010 * loop_resync,so wait a while for it to
1da177e4
LT		 1011 * be completed and then issue big hammer.Otherwise
1012 * it may cause I/O failure as big hammer marks the
1013 * devices as lost kicking of the port_down_timer
1014 * while dpc is stuck for the mailbox to complete.
1015 */
1da177e4 1016 qla2x00_wait_for_loop_ready(ha);
2c3dfe3f
SJ		 1017 set_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
1018 if (qla2x00_abort_isp(pha)) {
1019 clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
1da177e4 1020 /* failed. schedule dpc to try */
2c3dfe3f 1021 set_bit(ISP_ABORT_NEEDED, &pha->dpc_flags);
1da177e4
LT		 1022
1023 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
f4f051eb 1024 goto eh_host_reset_lock;
fa2a1ce5 1025 }
2c3dfe3f 1026 clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
1da177e4 1027
1da177e4 1028 /* Waiting for our command in done_queue to be returned to OS.*/
2c3dfe3f 1029 if (qla2x00_eh_wait_for_pending_commands(pha))
f4f051eb 1030 ret = SUCCESS;
1da177e4 1031
2c3dfe3f
SJ		 1032 if (ha->parent)
1033 qla2x00_vp_abort_isp(ha);
1034
f4f051eb 1035eh_host_reset_lock:
f4f051eb
AV		 1036 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1037 (ret == FAILED) ? "failed" : "succeded");
1da177e4 1038
f4f051eb
AV		 1039 return ret;
1040}
1da177e4
LT		 1041
1042/*
1043* qla2x00_loop_reset
1044* Issue loop reset.
1045*
1046* Input:
1047* ha = adapter block pointer.
1048*
1049* Returns:
1050* 0 = success
1051*/
a4722cf2 1052int
1da177e4
LT		 1053qla2x00_loop_reset(scsi_qla_host_t *ha)
1054{
0c8c39af 1055 int ret;
bdf79621 1056 struct fc_port *fcport;
1da177e4 1057
0c8c39af
AV		 1058 if (ha->flags.enable_lip_full_login) {
1059 ret = qla2x00_full_login_lip(ha);
1060 if (ret != QLA_SUCCESS) {
1061 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1062 "full_login_lip=%d.\n", __func__, ha->host_no,
1063 ret));
1064 }
1065 atomic_set(&ha->loop_state, LOOP_DOWN);
1066 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
1067 qla2x00_mark_all_devices_lost(ha, 0);
1068 qla2x00_wait_for_loop_ready(ha);
1069 }
1070
1da177e4 1071 if (ha->flags.enable_lip_reset) {
0c8c39af
AV		 1072 ret = qla2x00_lip_reset(ha);
1073 if (ret != QLA_SUCCESS) {
1074 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1075 "lip_reset=%d.\n", __func__, ha->host_no, ret));
1076 }
1077 qla2x00_wait_for_loop_ready(ha);
1da177e4
LT		 1078 }
1079
0c8c39af 1080 if (ha->flags.enable_target_reset) {
bdf79621
AV		 1081 list_for_each_entry(fcport, &ha->fcports, list) {
1082 if (fcport->port_type != FCT_TARGET)
1da177e4
LT		 1083 continue;
1084
0c8c39af
AV		 1085 ret = qla2x00_device_reset(ha, fcport);
1086 if (ret != QLA_SUCCESS) {
1087 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1088 "target_reset=%d d_id=%x.\n", __func__,
1089 ha->host_no, ret, fcport->d_id.b24));
1090 }
1da177e4
LT		 1091 }
1092 }
1093
1da177e4
LT		 1094 /* Issue marker command only when we are going to start the I/O */
1095 ha->marker_needed = 1;
1096
0c8c39af 1097 return QLA_SUCCESS;
1da177e4
LT		 1098}
1099
1100/*
1101 * qla2x00_device_reset
1102 * Issue bus device reset message to the target.
1103 *
1104 * Input:
1105 * ha = adapter block pointer.
1106 * t = SCSI ID.
1107 * TARGET_QUEUE_LOCK must be released.
1108 * ADAPTER_STATE_LOCK must be released.
1109 *
1110 * Context:
1111 * Kernel context.
1112 */
1113static int
1114qla2x00_device_reset(scsi_qla_host_t *ha, fc_port_t *reset_fcport)
1115{
1116 /* Abort Target command will clear Reservation */
fd34f556 1117 return ha->isp_ops->abort_target(reset_fcport);
1da177e4
LT		 1118}
1119
df4bf0bb
AV		 1120void
1121qla2x00_abort_all_cmds(scsi_qla_host_t *ha, int res)
1122{
1123 int cnt;
1124 unsigned long flags;
1125 srb_t *sp;
1126
1127 spin_lock_irqsave(&ha->hardware_lock, flags);
1128 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1129 sp = ha->outstanding_cmds[cnt];
1130 if (sp) {
1131 ha->outstanding_cmds[cnt] = NULL;
1132 sp->flags = 0;
1133 sp->cmd->result = res;
1134 sp->cmd->host_scribble = (unsigned char *)NULL;
1135 qla2x00_sp_compl(ha, sp);
1136 }
1137 }
1138 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1139}
1140
f4f051eb
AV		 1141static int
1142qla2xxx_slave_alloc(struct scsi_device *sdev)
1da177e4 1143{
bdf79621 1144 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1da177e4 1145
19a7b4ae 1146 if (!rport || fc_remote_port_chkready(rport))
f4f051eb 1147 return -ENXIO;
bdf79621 1148
19a7b4ae 1149 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1da177e4 1150
f4f051eb
AV		 1151 return 0;
1152}
1da177e4 1153
f4f051eb
AV		 1154static int
1155qla2xxx_slave_configure(struct scsi_device *sdev)
1156{
f363b943 1157 scsi_qla_host_t *ha = shost_priv(sdev->host);
8482e118
AV		 1158 struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1159
f4f051eb 1160 if (sdev->tagged_supported)
df7baa50 1161 scsi_activate_tcq(sdev, ha->max_q_depth);
f4f051eb 1162 else
df7baa50 1163 scsi_deactivate_tcq(sdev, ha->max_q_depth);
1da177e4 1164
8482e118
AV		 1165 rport->dev_loss_tmo = ha->port_down_retry_count + 5;
1166
f4f051eb
AV		 1167 return 0;
1168}
1da177e4 1169
f4f051eb
AV		 1170static void
1171qla2xxx_slave_destroy(struct scsi_device *sdev)
1172{
1173 sdev->hostdata = NULL;
1da177e4
LT		 1174}
1175
ce7e4af7
AV		 1176static int
1177qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
1178{
1179 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1180 return sdev->queue_depth;
1181}
1182
1183static int
1184qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1185{
1186 if (sdev->tagged_supported) {
1187 scsi_set_tag_type(sdev, tag_type);
1188 if (tag_type)
1189 scsi_activate_tcq(sdev, sdev->queue_depth);
1190 else
1191 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1192 } else
1193 tag_type = 0;
1194
1195 return tag_type;
1196}
1197
1da177e4
LT		 1198/**
1199 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1200 * @ha: HA context
1201 *
1202 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1203 * supported addressing method.
1204 */
1205static void
1206qla2x00_config_dma_addressing(scsi_qla_host_t *ha)
1207{
7524f9b9 1208 /* Assume a 32bit DMA mask. */
1da177e4 1209 ha->flags.enable_64bit_addressing = 0;
1da177e4 1210
7524f9b9
AV		 1211 if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) {
1212 /* Any upper-dword bits set? */
1213 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1214 !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) {
1215 /* Ok, a 64bit DMA mask is applicable. */
1da177e4 1216 ha->flags.enable_64bit_addressing = 1;
fd34f556
AV		 1217 ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1218 ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
7524f9b9 1219 return;
1da177e4 1220 }
1da177e4 1221 }
7524f9b9
AV		 1222
1223 dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK);
1224 pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK);
1da177e4
LT		 1225}
1226
fd34f556
AV		 1227static void
1228qla2x00_enable_intrs(scsi_qla_host_t *ha)
1229{
1230 unsigned long flags = 0;
1231 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1232
1233 spin_lock_irqsave(&ha->hardware_lock, flags);
1234 ha->interrupts_on = 1;
1235 /* enable risc and host interrupts */
1236 WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1237 RD_REG_WORD(&reg->ictrl);
1238 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1239
1240}
1241
1242static void
1243qla2x00_disable_intrs(scsi_qla_host_t *ha)
1244{
1245 unsigned long flags = 0;
1246 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1247
1248 spin_lock_irqsave(&ha->hardware_lock, flags);
1249 ha->interrupts_on = 0;
1250 /* disable risc and host interrupts */
1251 WRT_REG_WORD(&reg->ictrl, 0);
1252 RD_REG_WORD(&reg->ictrl);
1253 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1254}
1255
1256static void
1257qla24xx_enable_intrs(scsi_qla_host_t *ha)
1258{
1259 unsigned long flags = 0;
1260 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1261
1262 spin_lock_irqsave(&ha->hardware_lock, flags);
1263 ha->interrupts_on = 1;
1264 WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1265 RD_REG_DWORD(&reg->ictrl);
1266 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1267}
1268
1269static void
1270qla24xx_disable_intrs(scsi_qla_host_t *ha)
1271{
1272 unsigned long flags = 0;
1273 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1274
1275 spin_lock_irqsave(&ha->hardware_lock, flags);
1276 ha->interrupts_on = 0;
1277 WRT_REG_DWORD(&reg->ictrl, 0);
1278 RD_REG_DWORD(&reg->ictrl);
1279 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1280}
1281
1282static struct isp_operations qla2100_isp_ops = {
1283 .pci_config = qla2100_pci_config,
1284 .reset_chip = qla2x00_reset_chip,
1285 .chip_diag = qla2x00_chip_diag,
1286 .config_rings = qla2x00_config_rings,
1287 .reset_adapter = qla2x00_reset_adapter,
1288 .nvram_config = qla2x00_nvram_config,
1289 .update_fw_options = qla2x00_update_fw_options,
1290 .load_risc = qla2x00_load_risc,
1291 .pci_info_str = qla2x00_pci_info_str,
1292 .fw_version_str = qla2x00_fw_version_str,
1293 .intr_handler = qla2100_intr_handler,
1294 .enable_intrs = qla2x00_enable_intrs,
1295 .disable_intrs = qla2x00_disable_intrs,
1296 .abort_command = qla2x00_abort_command,
1297 .abort_target = qla2x00_abort_target,
1298 .fabric_login = qla2x00_login_fabric,
1299 .fabric_logout = qla2x00_fabric_logout,
1300 .calc_req_entries = qla2x00_calc_iocbs_32,
1301 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1302 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1303 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1304 .read_nvram = qla2x00_read_nvram_data,
1305 .write_nvram = qla2x00_write_nvram_data,
1306 .fw_dump = qla2100_fw_dump,
1307 .beacon_on = NULL,
1308 .beacon_off = NULL,
1309 .beacon_blink = NULL,
1310 .read_optrom = qla2x00_read_optrom_data,
1311 .write_optrom = qla2x00_write_optrom_data,
1312 .get_flash_version = qla2x00_get_flash_version,
1313};
1314
1315static struct isp_operations qla2300_isp_ops = {
1316 .pci_config = qla2300_pci_config,
1317 .reset_chip = qla2x00_reset_chip,
1318 .chip_diag = qla2x00_chip_diag,
1319 .config_rings = qla2x00_config_rings,
1320 .reset_adapter = qla2x00_reset_adapter,
1321 .nvram_config = qla2x00_nvram_config,
1322 .update_fw_options = qla2x00_update_fw_options,
1323 .load_risc = qla2x00_load_risc,
1324 .pci_info_str = qla2x00_pci_info_str,
1325 .fw_version_str = qla2x00_fw_version_str,
1326 .intr_handler = qla2300_intr_handler,
1327 .enable_intrs = qla2x00_enable_intrs,
1328 .disable_intrs = qla2x00_disable_intrs,
1329 .abort_command = qla2x00_abort_command,
1330 .abort_target = qla2x00_abort_target,
1331 .fabric_login = qla2x00_login_fabric,
1332 .fabric_logout = qla2x00_fabric_logout,
1333 .calc_req_entries = qla2x00_calc_iocbs_32,
1334 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1335 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1336 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1337 .read_nvram = qla2x00_read_nvram_data,
1338 .write_nvram = qla2x00_write_nvram_data,
1339 .fw_dump = qla2300_fw_dump,
1340 .beacon_on = qla2x00_beacon_on,
1341 .beacon_off = qla2x00_beacon_off,
1342 .beacon_blink = qla2x00_beacon_blink,
1343 .read_optrom = qla2x00_read_optrom_data,
1344 .write_optrom = qla2x00_write_optrom_data,
1345 .get_flash_version = qla2x00_get_flash_version,
1346};
1347
1348static struct isp_operations qla24xx_isp_ops = {
1349 .pci_config = qla24xx_pci_config,
1350 .reset_chip = qla24xx_reset_chip,
1351 .chip_diag = qla24xx_chip_diag,
1352 .config_rings = qla24xx_config_rings,
1353 .reset_adapter = qla24xx_reset_adapter,
1354 .nvram_config = qla24xx_nvram_config,
1355 .update_fw_options = qla24xx_update_fw_options,
1356 .load_risc = qla24xx_load_risc,
1357 .pci_info_str = qla24xx_pci_info_str,
1358 .fw_version_str = qla24xx_fw_version_str,
1359 .intr_handler = qla24xx_intr_handler,
1360 .enable_intrs = qla24xx_enable_intrs,
1361 .disable_intrs = qla24xx_disable_intrs,
1362 .abort_command = qla24xx_abort_command,
1363 .abort_target = qla24xx_abort_target,
1364 .fabric_login = qla24xx_login_fabric,
1365 .fabric_logout = qla24xx_fabric_logout,
1366 .calc_req_entries = NULL,
1367 .build_iocbs = NULL,
1368 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1369 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1370 .read_nvram = qla24xx_read_nvram_data,
1371 .write_nvram = qla24xx_write_nvram_data,
1372 .fw_dump = qla24xx_fw_dump,
1373 .beacon_on = qla24xx_beacon_on,
1374 .beacon_off = qla24xx_beacon_off,
1375 .beacon_blink = qla24xx_beacon_blink,
1376 .read_optrom = qla24xx_read_optrom_data,
1377 .write_optrom = qla24xx_write_optrom_data,
1378 .get_flash_version = qla24xx_get_flash_version,
1379};
1380
c3a2f0df
AV		 1381static struct isp_operations qla25xx_isp_ops = {
1382 .pci_config = qla25xx_pci_config,
1383 .reset_chip = qla24xx_reset_chip,
1384 .chip_diag = qla24xx_chip_diag,
1385 .config_rings = qla24xx_config_rings,
1386 .reset_adapter = qla24xx_reset_adapter,
1387 .nvram_config = qla24xx_nvram_config,
1388 .update_fw_options = qla24xx_update_fw_options,
1389 .load_risc = qla24xx_load_risc,
1390 .pci_info_str = qla24xx_pci_info_str,
1391 .fw_version_str = qla24xx_fw_version_str,
1392 .intr_handler = qla24xx_intr_handler,
1393 .enable_intrs = qla24xx_enable_intrs,
1394 .disable_intrs = qla24xx_disable_intrs,
1395 .abort_command = qla24xx_abort_command,
1396 .abort_target = qla24xx_abort_target,
1397 .fabric_login = qla24xx_login_fabric,
1398 .fabric_logout = qla24xx_fabric_logout,
1399 .calc_req_entries = NULL,
1400 .build_iocbs = NULL,
1401 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1402 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1403 .read_nvram = qla25xx_read_nvram_data,
1404 .write_nvram = qla25xx_write_nvram_data,
1405 .fw_dump = qla25xx_fw_dump,
1406 .beacon_on = qla24xx_beacon_on,
1407 .beacon_off = qla24xx_beacon_off,
1408 .beacon_blink = qla24xx_beacon_blink,
338c9161 1409 .read_optrom = qla25xx_read_optrom_data,
c3a2f0df
AV		 1410 .write_optrom = qla24xx_write_optrom_data,
1411 .get_flash_version = qla24xx_get_flash_version,
1412};
1413
ea5b6382
AV		 1414static inline void
1415qla2x00_set_isp_flags(scsi_qla_host_t *ha)
1416{
1417 ha->device_type = DT_EXTENDED_IDS;
1418 switch (ha->pdev->device) {
1419 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1420 ha->device_type |= DT_ISP2100;
1421 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1422 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382
AV		 1423 break;
1424 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1425 ha->device_type |= DT_ISP2200;
1426 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1427 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382
AV		 1428 break;
1429 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1430 ha->device_type |= DT_ISP2300;
4a59f71d 1431 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1432 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1433 break;
1434 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1435 ha->device_type |= DT_ISP2312;
4a59f71d 1436 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1437 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1438 break;
1439 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1440 ha->device_type |= DT_ISP2322;
4a59f71d 1441 ha->device_type |= DT_ZIO_SUPPORTED;
ea5b6382
AV		 1442 if (ha->pdev->subsystem_vendor == 0x1028 &&
1443 ha->pdev->subsystem_device == 0x0170)
1444 ha->device_type |= DT_OEM_001;
441d1072 1445 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1446 break;
1447 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1448 ha->device_type |= DT_ISP6312;
441d1072 1449 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1450 break;
1451 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1452 ha->device_type |= DT_ISP6322;
441d1072 1453 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1454 break;
1455 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1456 ha->device_type |= DT_ISP2422;
4a59f71d 1457 ha->device_type |= DT_ZIO_SUPPORTED;
e428924c 1458 ha->device_type |= DT_FWI2;
c76f2c01 1459 ha->device_type |= DT_IIDMA;
441d1072 1460 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382
AV		 1461 break;
1462 case PCI_DEVICE_ID_QLOGIC_ISP2432:
1463 ha->device_type |= DT_ISP2432;
4a59f71d 1464 ha->device_type |= DT_ZIO_SUPPORTED;
e428924c 1465 ha->device_type |= DT_FWI2;
c76f2c01 1466 ha->device_type |= DT_IIDMA;
441d1072 1467 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1468 break;
044cc6c8
AV		 1469 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1470 ha->device_type |= DT_ISP5422;
e428924c 1471 ha->device_type |= DT_FWI2;
441d1072 1472 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1473 break;
044cc6c8
AV		 1474 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1475 ha->device_type |= DT_ISP5432;
e428924c 1476 ha->device_type |= DT_FWI2;
441d1072 1477 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1478 break;
c3a2f0df
AV		 1479 case PCI_DEVICE_ID_QLOGIC_ISP2532:
1480 ha->device_type |= DT_ISP2532;
1481 ha->device_type |= DT_ZIO_SUPPORTED;
1482 ha->device_type |= DT_FWI2;
1483 ha->device_type |= DT_IIDMA;
441d1072 1484 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382
AV		 1485 break;
1486 }
1487}
1488
1da177e4
LT		 1489static int
1490qla2x00_iospace_config(scsi_qla_host_t *ha)
1491{
3776541d 1492 resource_size_t pio;
1da177e4 1493
285d0321
AV		 1494 if (pci_request_selected_regions(ha->pdev, ha->bars,
1495 QLA2XXX_DRIVER_NAME)) {
1496 qla_printk(KERN_WARNING, ha,
1497 "Failed to reserve PIO/MMIO regions (%s)\n",
1498 pci_name(ha->pdev));
1499
1500 goto iospace_error_exit;
1501 }
1502 if (!(ha->bars & 1))
1503 goto skip_pio;
1504
1da177e4
LT		 1505 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1506 pio = pci_resource_start(ha->pdev, 0);
3776541d
AV		 1507 if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1508 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1da177e4
LT		 1509 qla_printk(KERN_WARNING, ha,
1510 "Invalid PCI I/O region size (%s)...\n",
1511 pci_name(ha->pdev));
1512 pio = 0;
1513 }
1514 } else {
1515 qla_printk(KERN_WARNING, ha,
1516 "region #0 not a PIO resource (%s)...\n",
1517 pci_name(ha->pdev));
1518 pio = 0;
1519 }
285d0321 1520 ha->pio_address = pio;
1da177e4 1521
285d0321 1522skip_pio:
1da177e4 1523 /* Use MMIO operations for all accesses. */
3776541d 1524 if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1da177e4 1525 qla_printk(KERN_ERR, ha,
3776541d 1526 "region #1 not an MMIO resource (%s), aborting\n",
1da177e4
LT		 1527 pci_name(ha->pdev));
1528 goto iospace_error_exit;
1529 }
3776541d 1530 if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1da177e4
LT		 1531 qla_printk(KERN_ERR, ha,
1532 "Invalid PCI mem region size (%s), aborting\n",
1533 pci_name(ha->pdev));
1534 goto iospace_error_exit;
1535 }
1536
3776541d 1537 ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1da177e4
LT		 1538 if (!ha->iobase) {
1539 qla_printk(KERN_ERR, ha,
1540 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1541
1542 goto iospace_error_exit;
1543 }
1544
1545 return (0);
1546
1547iospace_error_exit:
1548 return (-ENOMEM);
1549}
1550
1e99e33a
AV		 1551static void
1552qla2xxx_scan_start(struct Scsi_Host *shost)
1553{
f363b943 1554 scsi_qla_host_t *ha = shost_priv(shost);
1e99e33a
AV		 1555
1556 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
1557 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1558 set_bit(RSCN_UPDATE, &ha->dpc_flags);
1559}
1560
1561static int
1562qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1563{
f363b943 1564 scsi_qla_host_t *ha = shost_priv(shost);
1e99e33a
AV		 1565
1566 if (!ha->host)
1567 return 1;
1568 if (time > ha->loop_reset_delay * HZ)
1569 return 1;
1570
1571 return atomic_read(&ha->loop_state) == LOOP_READY;
1572}
1573
1da177e4
LT		 1574/*
1575 * PCI driver interface
1576 */
7ee61397
AV		 1577static int __devinit
1578qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1da177e4 1579{
a1541d5a 1580 int ret = -ENODEV;
fca29703 1581 device_reg_t __iomem *reg;
1da177e4
LT		 1582 struct Scsi_Host *host;
1583 scsi_qla_host_t *ha;
1584 unsigned long flags = 0;
29856e28 1585 char pci_info[30];
1da177e4 1586 char fw_str[30];
5433383e 1587 struct scsi_host_template *sht;
09483916 1588 int bars, mem_only = 0;
1da177e4 1589
285d0321 1590 bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
5433383e
AV		 1591 sht = &qla2x00_driver_template;
1592 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
8bc69e7d
AV		 1593 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
1594 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
c3a2f0df 1595 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
285d0321
AV		 1596 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532) {
1597 bars = pci_select_bars(pdev, IORESOURCE_MEM);
5433383e 1598 sht = &qla24xx_driver_template;
09483916 1599 mem_only = 1;
285d0321
AV		 1600 }
1601
09483916
BH		 1602 if (mem_only) {
1603 if (pci_enable_device_mem(pdev))
1604 goto probe_out;
1605 } else {
1606 if (pci_enable_device(pdev))
1607 goto probe_out;
1608 }
285d0321
AV		 1609
1610 if (pci_find_aer_capability(pdev))
1611 if (pci_enable_pcie_error_reporting(pdev))
1612 goto probe_out;
1613
5433383e 1614 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
1da177e4
LT		 1615 if (host == NULL) {
1616 printk(KERN_WARNING
1617 "qla2xxx: Couldn't allocate host from scsi layer!\n");
1618 goto probe_disable_device;
1619 }
1620
1621 /* Clear our data area */
f363b943 1622 ha = shost_priv(host);
1da177e4
LT		 1623 memset(ha, 0, sizeof(scsi_qla_host_t));
1624
1625 ha->pdev = pdev;
1626 ha->host = host;
1627 ha->host_no = host->host_no;
cb63067a 1628 sprintf(ha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, ha->host_no);
2c3dfe3f 1629 ha->parent = NULL;
285d0321 1630 ha->bars = bars;
09483916 1631 ha->mem_only = mem_only;
df4bf0bb 1632 spin_lock_init(&ha->hardware_lock);
1da177e4 1633
ea5b6382
AV		 1634 /* Set ISP-type information. */
1635 qla2x00_set_isp_flags(ha);
1636
1da177e4
LT		 1637 /* Configure PCI I/O space */
1638 ret = qla2x00_iospace_config(ha);
a1541d5a
AV		 1639 if (ret)
1640 goto probe_failed;
1da177e4 1641
1da177e4 1642 qla_printk(KERN_INFO, ha,
5433383e
AV		 1643 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1644 ha->iobase);
1da177e4 1645
1da177e4 1646 ha->prev_topology = 0;
fca29703 1647 ha->init_cb_size = sizeof(init_cb_t);
2c3dfe3f 1648 ha->mgmt_svr_loop_id = MANAGEMENT_SERVER + ha->vp_idx;
d8b45213 1649 ha->link_data_rate = PORT_SPEED_UNKNOWN;
854165f4 1650 ha->optrom_size = OPTROM_SIZE_2300;
1da177e4 1651
df7baa50
AV		 1652 ha->max_q_depth = MAX_Q_DEPTH;
1653 if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
1654 ha->max_q_depth = ql2xmaxqdepth;
1655
abbd8870 1656 /* Assign ISP specific operations. */
1da177e4 1657 if (IS_QLA2100(ha)) {
354d6b21 1658 host->max_id = MAX_TARGETS_2100;
1da177e4
LT		 1659 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
1660 ha->request_q_length = REQUEST_ENTRY_CNT_2100;
1661 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1662 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
1663 host->sg_tablesize = 32;
abbd8870 1664 ha->gid_list_info_size = 4;
fd34f556 1665 ha->isp_ops = &qla2100_isp_ops;
1da177e4 1666 } else if (IS_QLA2200(ha)) {
354d6b21 1667 host->max_id = MAX_TARGETS_2200;
1da177e4
LT		 1668 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1669 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1670 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1671 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
abbd8870 1672 ha->gid_list_info_size = 4;
fd34f556 1673 ha->isp_ops = &qla2100_isp_ops;
fca29703 1674 } else if (IS_QLA23XX(ha)) {
354d6b21 1675 host->max_id = MAX_TARGETS_2200;
1da177e4
LT		 1676 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1677 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1678 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1679 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
abbd8870 1680 ha->gid_list_info_size = 6;
854165f4
AV		 1681 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1682 ha->optrom_size = OPTROM_SIZE_2322;
fd34f556 1683 ha->isp_ops = &qla2300_isp_ops;
044cc6c8 1684 } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
fca29703
AV		 1685 host->max_id = MAX_TARGETS_2200;
1686 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1687 ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
1688 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1689 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
2c3dfe3f
SJ		 1690 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1691 ha->mgmt_svr_loop_id = 10 + ha->vp_idx;
fca29703 1692 ha->gid_list_info_size = 8;
854165f4 1693 ha->optrom_size = OPTROM_SIZE_24XX;
fd34f556 1694 ha->isp_ops = &qla24xx_isp_ops;
c3a2f0df
AV		 1695 } else if (IS_QLA25XX(ha)) {
1696 host->max_id = MAX_TARGETS_2200;
1697 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1698 ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
1699 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1700 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1701 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1702 ha->mgmt_svr_loop_id = 10 + ha->vp_idx;
1703 ha->gid_list_info_size = 8;
1704 ha->optrom_size = OPTROM_SIZE_25XX;
1705 ha->isp_ops = &qla25xx_isp_ops;
1da177e4
LT		 1706 }
1707 host->can_queue = ha->request_q_length + 128;
1708
1709 /* load the F/W, read paramaters, and init the H/W */
1710 ha->instance = num_hosts;
1711
2c3dfe3f 1712 init_MUTEX(&ha->vport_sem);
0b05a1f0
MB		 1713 init_completion(&ha->mbx_cmd_comp);
1714 complete(&ha->mbx_cmd_comp);
1715 init_completion(&ha->mbx_intr_comp);
1da177e4
LT		 1716
1717 INIT_LIST_HEAD(&ha->list);
1718 INIT_LIST_HEAD(&ha->fcports);
2c3dfe3f
SJ		 1719 INIT_LIST_HEAD(&ha->vp_list);
1720
1721 set_bit(0, (unsigned long *) ha->vp_idx_map);
1da177e4 1722
1da177e4
LT		 1723 qla2x00_config_dma_addressing(ha);
1724 if (qla2x00_mem_alloc(ha)) {
1725 qla_printk(KERN_WARNING, ha,
1726 "[ERROR] Failed to allocate memory for adapter\n");
1727
a1541d5a
AV		 1728 ret = -ENOMEM;
1729 goto probe_failed;
1da177e4
LT		 1730 }
1731
765140bf 1732 if (qla2x00_initialize_adapter(ha)) {
1da177e4
LT		 1733 qla_printk(KERN_WARNING, ha,
1734 "Failed to initialize adapter\n");
1735
1736 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1737 "Adapter flags %x.\n",
1738 ha->host_no, ha->device_flags));
1739
a1541d5a 1740 ret = -ENODEV;
1da177e4
LT		 1741 goto probe_failed;
1742 }
1743
1744 /*
1745 * Startup the kernel thread for this host adapter
1746 */
39a11240
CH		 1747 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
1748 "%s_dpc", ha->host_str);
1749 if (IS_ERR(ha->dpc_thread)) {
1da177e4
LT		 1750 qla_printk(KERN_WARNING, ha,
1751 "Unable to start DPC thread!\n");
39a11240 1752 ret = PTR_ERR(ha->dpc_thread);
1da177e4
LT		 1753 goto probe_failed;
1754 }
1da177e4 1755
a1541d5a
AV		 1756 host->this_id = 255;
1757 host->cmd_per_lun = 3;
1758 host->unique_id = ha->instance;
1759 host->max_cmd_len = MAX_CMDSZ;
75bc4190 1760 host->max_channel = MAX_BUSES - 1;
a1541d5a
AV		 1761 host->max_lun = MAX_LUNS;
1762 host->transportt = qla2xxx_transport_template;
1763
a8488abe
AV		 1764 ret = qla2x00_request_irqs(ha);
1765 if (ret)
1da177e4 1766 goto probe_failed;
1da177e4
LT		 1767
1768 /* Initialized the timer */
1769 qla2x00_start_timer(ha, qla2x00_timer, WATCH_INTERVAL);
1770
1771 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
1772 ha->host_no, ha));
1773
fd34f556 1774 ha->isp_ops->disable_intrs(ha);
1da177e4 1775
1da177e4 1776 spin_lock_irqsave(&ha->hardware_lock, flags);
fca29703 1777 reg = ha->iobase;
e428924c 1778 if (IS_FWI2_CAPABLE(ha)) {
fca29703
AV		 1779 WRT_REG_DWORD(&reg->isp24.hccr, HCCRX_CLR_HOST_INT);
1780 WRT_REG_DWORD(&reg->isp24.hccr, HCCRX_CLR_RISC_INT);
1781 } else {
1782 WRT_REG_WORD(&reg->isp.semaphore, 0);
1783 WRT_REG_WORD(&reg->isp.hccr, HCCR_CLR_RISC_INT);
1784 WRT_REG_WORD(&reg->isp.hccr, HCCR_CLR_HOST_INT);
1785
1786 /* Enable proper parity */
1787 if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1788 if (IS_QLA2300(ha))
1789 /* SRAM parity */
1790 WRT_REG_WORD(&reg->isp.hccr,
1791 (HCCR_ENABLE_PARITY + 0x1));
1792 else
1793 /* SRAM, Instruction RAM and GP RAM parity */
1794 WRT_REG_WORD(&reg->isp.hccr,
1795 (HCCR_ENABLE_PARITY + 0x7));
1796 }
1da177e4
LT		 1797 }
1798 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1799
fd34f556 1800 ha->isp_ops->enable_intrs(ha);
1da177e4 1801
a1541d5a 1802 pci_set_drvdata(pdev, ha);
d19044c3 1803
1da177e4 1804 ha->flags.init_done = 1;
d19044c3
AV		 1805 ha->flags.online = 1;
1806
1da177e4
LT		 1807 num_hosts++;
1808
a1541d5a
AV		 1809 ret = scsi_add_host(host, &pdev->dev);
1810 if (ret)
1811 goto probe_failed;
1812
1e99e33a
AV		 1813 scsi_scan_host(host);
1814
a1541d5a
AV		 1815 qla2x00_alloc_sysfs_attr(ha);
1816
1817 qla2x00_init_host_attr(ha);
1818
df613b96
AV		 1819 qla2x00_dfs_setup(ha);
1820
1da177e4
LT		 1821 qla_printk(KERN_INFO, ha, "\n"
1822 " QLogic Fibre Channel HBA Driver: %s\n"
1823 " QLogic %s - %s\n"
5433383e
AV		 1824 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
1825 qla2x00_version_str, ha->model_number,
1826 ha->model_desc ? ha->model_desc: "", pdev->device,
fd34f556 1827 ha->isp_ops->pci_info_str(ha, pci_info), pci_name(pdev),
5433383e 1828 ha->flags.enable_64bit_addressing ? '+': '-', ha->host_no,
fd34f556 1829 ha->isp_ops->fw_version_str(ha, fw_str));
1da177e4 1830
1da177e4
LT		 1831 return 0;
1832
1833probe_failed:
1834 qla2x00_free_device(ha);
1835
1836 scsi_host_put(host);
1837
1838probe_disable_device:
1839 pci_disable_device(pdev);
1840
a1541d5a
AV		 1841probe_out:
1842 return ret;
1da177e4 1843}
1da177e4 1844
4c993f76 1845static void
7ee61397 1846qla2x00_remove_one(struct pci_dev *pdev)
1da177e4
LT		 1847{
1848 scsi_qla_host_t *ha;
1849
1850 ha = pci_get_drvdata(pdev);
1851
df613b96
AV		 1852 qla2x00_dfs_remove(ha);
1853
8482e118 1854 qla2x00_free_sysfs_attr(ha);
1da177e4 1855
bdf79621
AV		 1856 fc_remove_host(ha->host);
1857
1da177e4
LT		 1858 scsi_remove_host(ha->host);
1859
1860 qla2x00_free_device(ha);
1861
1862 scsi_host_put(ha->host);
1863
665db93b 1864 pci_disable_device(pdev);
1da177e4
LT		 1865 pci_set_drvdata(pdev, NULL);
1866}
1da177e4
LT		 1867
1868static void
1869qla2x00_free_device(scsi_qla_host_t *ha)
1870{
df4bf0bb
AV		 1871 qla2x00_abort_all_cmds(ha, DID_NO_CONNECT << 16);
1872
1da177e4
LT		 1873 /* Disable timer */
1874 if (ha->timer_active)
1875 qla2x00_stop_timer(ha);
1876
df4bf0bb
AV		 1877 ha->flags.online = 0;
1878
1da177e4 1879 /* Kill the kernel thread for this host */
39a11240
CH		 1880 if (ha->dpc_thread) {
1881 struct task_struct *t = ha->dpc_thread;
1da177e4 1882
39a11240
CH		 1883 /*
1884 * qla2xxx_wake_dpc checks for ->dpc_thread
1885 * so we need to zero it out.
1886 */
1887 ha->dpc_thread = NULL;
1888 kthread_stop(t);
1da177e4
LT		 1889 }
1890
df613b96
AV		 1891 if (ha->flags.fce_enabled)
1892 qla2x00_disable_fce_trace(ha, NULL, NULL);
1893
a7a167bf 1894 if (ha->eft)
00b6bd25 1895 qla2x00_disable_eft_trace(ha);
a7a167bf 1896
f6ef3b18 1897 /* Stop currently executing firmware. */
18c6c127 1898 qla2x00_try_to_stop_firmware(ha);
1da177e4 1899
f6ef3b18
AV		 1900 /* turn-off interrupts on the card */
1901 if (ha->interrupts_on)
fd34f556 1902 ha->isp_ops->disable_intrs(ha);
f6ef3b18
AV		 1903
1904 qla2x00_mem_free(ha);
1da177e4 1905
a8488abe 1906 qla2x00_free_irqs(ha);
1da177e4
LT		 1907
1908 /* release io space registers */
1909 if (ha->iobase)
1910 iounmap(ha->iobase);
285d0321 1911 pci_release_selected_regions(ha->pdev, ha->bars);
1da177e4
LT		 1912}
1913
d97994dc
AV		 1914static inline void
1915qla2x00_schedule_rport_del(struct scsi_qla_host *ha, fc_port_t *fcport,
1916 int defer)
1917{
1918 unsigned long flags;
1919 struct fc_rport *rport;
1920
1921 if (!fcport->rport)
1922 return;
1923
1924 rport = fcport->rport;
1925 if (defer) {
1926 spin_lock_irqsave(&fcport->rport_lock, flags);
1927 fcport->drport = rport;
1928 fcport->rport = NULL;
387f96b4 1929 *(fc_port_t **)rport->dd_data = NULL;
d97994dc
AV		 1930 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1931 set_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags);
1932 } else {
1933 spin_lock_irqsave(&fcport->rport_lock, flags);
1934 fcport->rport = NULL;
387f96b4 1935 *(fc_port_t **)rport->dd_data = NULL;
d97994dc
AV		 1936 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1937 fc_remote_port_delete(rport);
1938 }
1939}
1940
1da177e4
LT		 1941/*
1942 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
1943 *
1944 * Input: ha = adapter block pointer. fcport = port structure pointer.
1945 *
1946 * Return: None.
1947 *
1948 * Context:
1949 */
1950void qla2x00_mark_device_lost(scsi_qla_host_t *ha, fc_port_t *fcport,
d97994dc 1951 int do_login, int defer)
1da177e4 1952{
2c3dfe3f
SJ		 1953 if (atomic_read(&fcport->state) == FCS_ONLINE &&
1954 ha->vp_idx == fcport->vp_idx)
d97994dc 1955 qla2x00_schedule_rport_del(ha, fcport, defer);
19a7b4ae 1956
fa2a1ce5 1957 /*
1da177e4
LT		 1958 * We may need to retry the login, so don't change the state of the
1959 * port but do the retries.
1960 */
1961 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
1962 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1963
1964 if (!do_login)
1965 return;
1966
1967 if (fcport->login_retry == 0) {
1968 fcport->login_retry = ha->login_retry_count;
1969 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
1970
1971 DEBUG(printk("scsi(%ld): Port login retry: "
1972 "%02x%02x%02x%02x%02x%02x%02x%02x, "
1973 "id = 0x%04x retry cnt=%d\n",
1974 ha->host_no,
1975 fcport->port_name[0],
1976 fcport->port_name[1],
1977 fcport->port_name[2],
1978 fcport->port_name[3],
1979 fcport->port_name[4],
1980 fcport->port_name[5],
1981 fcport->port_name[6],
1982 fcport->port_name[7],
1983 fcport->loop_id,
1984 fcport->login_retry));
1985 }
1986}
1987
1988/*
1989 * qla2x00_mark_all_devices_lost
1990 * Updates fcport state when device goes offline.
1991 *
1992 * Input:
1993 * ha = adapter block pointer.
1994 * fcport = port structure pointer.
1995 *
1996 * Return:
1997 * None.
1998 *
1999 * Context:
2000 */
2001void
d97994dc 2002qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha, int defer)
1da177e4
LT		 2003{
2004 fc_port_t *fcport;
2c3dfe3f 2005 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4 2006
2c3dfe3f
SJ		 2007 list_for_each_entry(fcport, &pha->fcports, list) {
2008 if (ha->vp_idx != 0 && ha->vp_idx != fcport->vp_idx)
1da177e4 2009 continue;
1da177e4
LT		 2010 /*
2011 * No point in marking the device as lost, if the device is
2012 * already DEAD.
2013 */
2014 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
2015 continue;
2c3dfe3f
SJ		 2016 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2017 if (defer)
2018 qla2x00_schedule_rport_del(ha, fcport, defer);
2019 else if (ha->vp_idx == fcport->vp_idx)
2020 qla2x00_schedule_rport_del(ha, fcport, defer);
2021 }
1da177e4
LT		 2022 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2023 }
d97994dc 2024
39a11240
CH		 2025 if (defer)
2026 qla2xxx_wake_dpc(ha);
1da177e4
LT		 2027}
2028
2029/*
2030* qla2x00_mem_alloc
2031* Allocates adapter memory.
2032*
2033* Returns:
2034* 0 = success.
2035* 1 = failure.
2036*/
a824ebb3 2037static uint8_t
1da177e4
LT		 2038qla2x00_mem_alloc(scsi_qla_host_t *ha)
2039{
2040 char name[16];
2041 uint8_t status = 1;
2042 int retry= 10;
2043
2044 do {
2045 /*
2046 * This will loop only once if everything goes well, else some
2047 * number of retries will be performed to get around a kernel
2048 * bug where available mem is not allocated until after a
2049 * little delay and a retry.
2050 */
2051 ha->request_ring = dma_alloc_coherent(&ha->pdev->dev,
2052 (ha->request_q_length + 1) * sizeof(request_t),
2053 &ha->request_dma, GFP_KERNEL);
2054 if (ha->request_ring == NULL) {
2055 qla_printk(KERN_WARNING, ha,
2056 "Memory Allocation failed - request_ring\n");
2057
2058 qla2x00_mem_free(ha);
2059 msleep(100);
2060
2061 continue;
2062 }
2063
2064 ha->response_ring = dma_alloc_coherent(&ha->pdev->dev,
2065 (ha->response_q_length + 1) * sizeof(response_t),
2066 &ha->response_dma, GFP_KERNEL);
2067 if (ha->response_ring == NULL) {
2068 qla_printk(KERN_WARNING, ha,
2069 "Memory Allocation failed - response_ring\n");
2070
2071 qla2x00_mem_free(ha);
2072 msleep(100);
2073
2074 continue;
2075 }
2076
2077 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2078 &ha->gid_list_dma, GFP_KERNEL);
2079 if (ha->gid_list == NULL) {
2080 qla_printk(KERN_WARNING, ha,
2081 "Memory Allocation failed - gid_list\n");
2082
2083 qla2x00_mem_free(ha);
2084 msleep(100);
2085
2086 continue;
2087 }
2088
2c3dfe3f
SJ		 2089 /* get consistent memory allocated for init control block */
2090 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev,
2091 ha->init_cb_size, &ha->init_cb_dma, GFP_KERNEL);
2092 if (ha->init_cb == NULL) {
1da177e4 2093 qla_printk(KERN_WARNING, ha,
2c3dfe3f 2094 "Memory Allocation failed - init_cb\n");
1da177e4
LT		 2095
2096 qla2x00_mem_free(ha);
2097 msleep(100);
2098
2099 continue;
2100 }
2c3dfe3f 2101 memset(ha->init_cb, 0, ha->init_cb_size);
1da177e4 2102
2c3dfe3f
SJ		 2103 snprintf(name, sizeof(name), "%s_%ld", QLA2XXX_DRIVER_NAME,
2104 ha->host_no);
2105 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2106 DMA_POOL_SIZE, 8, 0);
2107 if (ha->s_dma_pool == NULL) {
1da177e4 2108 qla_printk(KERN_WARNING, ha,
2c3dfe3f 2109 "Memory Allocation failed - s_dma_pool\n");
1da177e4
LT		 2110
2111 qla2x00_mem_free(ha);
2112 msleep(100);
2113
2114 continue;
2115 }
1da177e4 2116
1da177e4
LT		 2117 if (qla2x00_allocate_sp_pool(ha)) {
2118 qla_printk(KERN_WARNING, ha,
2119 "Memory Allocation failed - "
2120 "qla2x00_allocate_sp_pool()\n");
2121
2122 qla2x00_mem_free(ha);
2123 msleep(100);
2124
2125 continue;
2126 }
2127
2128 /* Allocate memory for SNS commands */
2129 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2130 /* Get consistent memory allocated for SNS commands */
2131 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
2132 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma,
2133 GFP_KERNEL);
2134 if (ha->sns_cmd == NULL) {
2135 /* error */
2136 qla_printk(KERN_WARNING, ha,
2137 "Memory Allocation failed - sns_cmd\n");
2138
2139 qla2x00_mem_free(ha);
2140 msleep(100);
2141
2142 continue;
2143 }
2144 memset(ha->sns_cmd, 0, sizeof(struct sns_cmd_pkt));
2145 } else {
2146 /* Get consistent memory allocated for MS IOCB */
2147 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2148 &ha->ms_iocb_dma);
2149 if (ha->ms_iocb == NULL) {
2150 /* error */
2151 qla_printk(KERN_WARNING, ha,
2152 "Memory Allocation failed - ms_iocb\n");
2153
2154 qla2x00_mem_free(ha);
2155 msleep(100);
2156
2157 continue;
2158 }
2159 memset(ha->ms_iocb, 0, sizeof(ms_iocb_entry_t));
2160
2161 /*
2162 * Get consistent memory allocated for CT SNS
2163 * commands
2164 */
2165 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
2166 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma,
2167 GFP_KERNEL);
2168 if (ha->ct_sns == NULL) {
2169 /* error */
2170 qla_printk(KERN_WARNING, ha,
2171 "Memory Allocation failed - ct_sns\n");
2172
2173 qla2x00_mem_free(ha);
2174 msleep(100);
2175
2176 continue;
2177 }
2178 memset(ha->ct_sns, 0, sizeof(struct ct_sns_pkt));
88729e53 2179
e428924c 2180 if (IS_FWI2_CAPABLE(ha)) {
88729e53
AV		 2181 /*
2182 * Get consistent memory allocated for SFP
2183 * block.
2184 */
2185 ha->sfp_data = dma_pool_alloc(ha->s_dma_pool,
2186 GFP_KERNEL, &ha->sfp_data_dma);
2187 if (ha->sfp_data == NULL) {
2188 qla_printk(KERN_WARNING, ha,
2189 "Memory Allocation failed - "
2190 "sfp_data\n");
2191
2192 qla2x00_mem_free(ha);
2193 msleep(100);
2194
2195 continue;
2196 }
2197 memset(ha->sfp_data, 0, SFP_BLOCK_SIZE);
2198 }
1da177e4
LT		 2199 }
2200
53772a2c
SJ		 2201 /* Get memory for cached NVRAM */
2202 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2203 if (ha->nvram == NULL) {
2204 /* error */
2205 qla_printk(KERN_WARNING, ha,
2206 "Memory Allocation failed - nvram cache\n");
2207
2208 qla2x00_mem_free(ha);
2209 msleep(100);
2210
2211 continue;
2212 }
2213
1da177e4
LT		 2214 /* Done all allocations without any error. */
2215 status = 0;
2216
2217 } while (retry-- && status != 0);
2218
2219 if (status) {
2220 printk(KERN_WARNING
2221 "%s(): **** FAILED ****\n", __func__);
2222 }
2223
2224 return(status);
2225}
2226
2227/*
2228* qla2x00_mem_free
2229* Frees all adapter allocated memory.
2230*
2231* Input:
2232* ha = adapter block pointer.
2233*/
a824ebb3 2234static void
1da177e4
LT		 2235qla2x00_mem_free(scsi_qla_host_t *ha)
2236{
1da177e4
LT		 2237 struct list_head *fcpl, *fcptemp;
2238 fc_port_t *fcport;
1da177e4
LT		 2239
2240 if (ha == NULL) {
2241 /* error */
2242 DEBUG2(printk("%s(): ERROR invalid ha pointer.\n", __func__));
2243 return;
2244 }
2245
1da177e4
LT		 2246 /* free sp pool */
2247 qla2x00_free_sp_pool(ha);
2248
df613b96
AV		 2249 if (ha->fce)
2250 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
2251 ha->fce_dma);
2252
a7a167bf
AV		 2253 if (ha->fw_dump) {
2254 if (ha->eft)
2255 dma_free_coherent(&ha->pdev->dev,
2256 ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
2257 vfree(ha->fw_dump);
2258 }
2259
1da177e4
LT		 2260 if (ha->sns_cmd)
2261 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2262 ha->sns_cmd, ha->sns_cmd_dma);
2263
2264 if (ha->ct_sns)
2265 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2266 ha->ct_sns, ha->ct_sns_dma);
2267
88729e53
AV		 2268 if (ha->sfp_data)
2269 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2270
1da177e4
LT		 2271 if (ha->ms_iocb)
2272 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2273
1da177e4
LT		 2274 if (ha->s_dma_pool)
2275 dma_pool_destroy(ha->s_dma_pool);
2276
2c3dfe3f
SJ		 2277 if (ha->init_cb)
2278 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2279 ha->init_cb, ha->init_cb_dma);
2280
1da177e4
LT		 2281 if (ha->gid_list)
2282 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2283 ha->gid_list_dma);
2284
2285 if (ha->response_ring)
2286 dma_free_coherent(&ha->pdev->dev,
2287 (ha->response_q_length + 1) * sizeof(response_t),
2288 ha->response_ring, ha->response_dma);
2289
2290 if (ha->request_ring)
2291 dma_free_coherent(&ha->pdev->dev,
2292 (ha->request_q_length + 1) * sizeof(request_t),
2293 ha->request_ring, ha->request_dma);
2294
a7a167bf
AV		 2295 ha->eft = NULL;
2296 ha->eft_dma = 0;
1da177e4
LT		 2297 ha->sns_cmd = NULL;
2298 ha->sns_cmd_dma = 0;
2299 ha->ct_sns = NULL;
2300 ha->ct_sns_dma = 0;
2301 ha->ms_iocb = NULL;
2302 ha->ms_iocb_dma = 0;
1da177e4
LT		 2303 ha->init_cb = NULL;
2304 ha->init_cb_dma = 0;
2305
2306 ha->s_dma_pool = NULL;
2307
1da177e4
LT		 2308 ha->gid_list = NULL;
2309 ha->gid_list_dma = 0;
2310
2311 ha->response_ring = NULL;
2312 ha->response_dma = 0;
2313 ha->request_ring = NULL;
2314 ha->request_dma = 0;
2315
2316 list_for_each_safe(fcpl, fcptemp, &ha->fcports) {
2317 fcport = list_entry(fcpl, fc_port_t, list);
2318
1da177e4
LT		 2319 /* fc ports */
2320 list_del_init(&fcport->list);
2321 kfree(fcport);
2322 }
2323 INIT_LIST_HEAD(&ha->fcports);
2324
1da177e4 2325 ha->fw_dump = NULL;
fca29703 2326 ha->fw_dumped = 0;
1da177e4 2327 ha->fw_dump_reading = 0;
854165f4
AV		 2328
2329 vfree(ha->optrom_buffer);
53772a2c 2330 kfree(ha->nvram);
1da177e4
LT		 2331}
2332
2333/*
2334 * qla2x00_allocate_sp_pool
2335 * This routine is called during initialization to allocate
2336 * memory for local srb_t.
2337 *
2338 * Input:
2339 * ha = adapter block pointer.
2340 *
2341 * Context:
2342 * Kernel context.
1da177e4
LT		 2343 */
2344static int
fa2a1ce5 2345qla2x00_allocate_sp_pool(scsi_qla_host_t *ha)
1da177e4
LT		 2346{
2347 int rval;
2348
2349 rval = QLA_SUCCESS;
93d2341c 2350 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
1da177e4
LT		 2351 if (ha->srb_mempool == NULL) {
2352 qla_printk(KERN_INFO, ha, "Unable to allocate SRB mempool.\n");
2353 rval = QLA_FUNCTION_FAILED;
2354 }
2355 return (rval);
2356}
2357
2358/*
2359 * This routine frees all adapter allocated memory.
fa2a1ce5 2360 *
1da177e4
LT		 2361 */
2362static void
fa2a1ce5 2363qla2x00_free_sp_pool( scsi_qla_host_t *ha)
1da177e4
LT		 2364{
2365 if (ha->srb_mempool) {
2366 mempool_destroy(ha->srb_mempool);
2367 ha->srb_mempool = NULL;
2368 }
2369}
2370
2371/**************************************************************************
2372* qla2x00_do_dpc
2373* This kernel thread is a task that is schedule by the interrupt handler
2374* to perform the background processing for interrupts.
2375*
2376* Notes:
2377* This task always run in the context of a kernel thread. It
2378* is kick-off by the driver's detect code and starts up
2379* up one per adapter. It immediately goes to sleep and waits for
2380* some fibre event. When either the interrupt handler or
2381* the timer routine detects a event it will one of the task
2382* bits then wake us up.
2383**************************************************************************/
2384static int
2385qla2x00_do_dpc(void *data)
2386{
2c3dfe3f 2387 int rval;
1da177e4
LT		 2388 scsi_qla_host_t *ha;
2389 fc_port_t *fcport;
1da177e4 2390 uint8_t status;
1da177e4 2391 uint16_t next_loopid;
1da177e4
LT		 2392
2393 ha = (scsi_qla_host_t *)data;
2394
1da177e4
LT		 2395 set_user_nice(current, -20);
2396
39a11240 2397 while (!kthread_should_stop()) {
1da177e4
LT		 2398 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2399
39a11240
CH		 2400 set_current_state(TASK_INTERRUPTIBLE);
2401 schedule();
2402 __set_current_state(TASK_RUNNING);
1da177e4
LT		 2403
2404 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2405
2406 /* Initialization not yet finished. Don't do anything yet. */
39a11240 2407 if (!ha->flags.init_done)
1da177e4
LT		 2408 continue;
2409
2410 DEBUG3(printk("scsi(%ld): DPC handler\n", ha->host_no));
2411
2412 ha->dpc_active = 1;
2413
1da177e4 2414 if (ha->flags.mbox_busy) {
1da177e4
LT		 2415 ha->dpc_active = 0;
2416 continue;
2417 }
2418
2419 if (test_and_clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
2420
2421 DEBUG(printk("scsi(%ld): dpc: sched "
2422 "qla2x00_abort_isp ha = %p\n",
2423 ha->host_no, ha));
2424 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
2425 &ha->dpc_flags))) {
2426
2427 if (qla2x00_abort_isp(ha)) {
2428 /* failed. retry later */
2429 set_bit(ISP_ABORT_NEEDED,
2430 &ha->dpc_flags);
2431 }
2432 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2433 }
2434 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
2435 ha->host_no));
2436 }
2437
d97994dc
AV		 2438 if (test_and_clear_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags))
2439 qla2x00_update_fcports(ha);
2440
91ca7b01
AV		 2441 if (test_and_clear_bit(LOOP_RESET_NEEDED, &ha->dpc_flags)) {
2442 DEBUG(printk("scsi(%ld): dpc: sched loop_reset()\n",
2443 ha->host_no));
2444 qla2x00_loop_reset(ha);
2445 }
2446
1da177e4
LT		 2447 if (test_and_clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) &&
2448 (!(test_and_set_bit(RESET_ACTIVE, &ha->dpc_flags)))) {
2449
2450 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
2451 ha->host_no));
2452
2453 qla2x00_rst_aen(ha);
2454 clear_bit(RESET_ACTIVE, &ha->dpc_flags);
2455 }
2456
2457 /* Retry each device up to login retry count */
2458 if ((test_and_clear_bit(RELOGIN_NEEDED, &ha->dpc_flags)) &&
2459 !test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) &&
2460 atomic_read(&ha->loop_state) != LOOP_DOWN) {
2461
2462 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
2463 ha->host_no));
2464
2465 next_loopid = 0;
2466 list_for_each_entry(fcport, &ha->fcports, list) {
1da177e4
LT		 2467 /*
2468 * If the port is not ONLINE then try to login
2469 * to it if we haven't run out of retries.
2470 */
2471 if (atomic_read(&fcport->state) != FCS_ONLINE &&
2472 fcport->login_retry) {
2473
1da177e4
LT		 2474 if (fcport->flags & FCF_FABRIC_DEVICE) {
2475 if (fcport->flags &
2476 FCF_TAPE_PRESENT)
fd34f556 2477 ha->isp_ops->fabric_logout(
1c7c6357
AV		 2478 ha, fcport->loop_id,
2479 fcport->d_id.b.domain,
2480 fcport->d_id.b.area,
2481 fcport->d_id.b.al_pa);
1da177e4
LT		 2482 status = qla2x00_fabric_login(
2483 ha, fcport, &next_loopid);
2484 } else
2485 status =
2486 qla2x00_local_device_login(
9a52a57c 2487 ha, fcport);
1da177e4 2488
63a8651f 2489 fcport->login_retry--;
1da177e4
LT		 2490 if (status == QLA_SUCCESS) {
2491 fcport->old_loop_id = fcport->loop_id;
2492
2493 DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n",
2494 ha->host_no, fcport->loop_id));
fa2a1ce5 2495
052c40c8
AV		 2496 qla2x00_update_fcport(ha,
2497 fcport);
1da177e4
LT		 2498 } else if (status == 1) {
2499 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
2500 /* retry the login again */
2501 DEBUG(printk("scsi(%ld): Retrying %d login again loop_id 0x%x\n",
2502 ha->host_no,
2503 fcport->login_retry, fcport->loop_id));
2504 } else {
2505 fcport->login_retry = 0;
2506 }
63a8651f
RA		 2507 if (fcport->login_retry == 0)
2508 fcport->loop_id = FC_NO_LOOP_ID;
1da177e4
LT		 2509 }
2510 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2511 break;
2512 }
2513 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
2514 ha->host_no));
2515 }
2516
2517 if ((test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags)) &&
2518 atomic_read(&ha->loop_state) != LOOP_DOWN) {
2519
2520 clear_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags);
2521 DEBUG(printk("scsi(%ld): qla2x00_login_retry()\n",
2522 ha->host_no));
fa2a1ce5 2523
1da177e4
LT		 2524 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
2525
2526 DEBUG(printk("scsi(%ld): qla2x00_login_retry - end\n",
2527 ha->host_no));
2528 }
2529
2530 if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
2531
2532 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
2533 ha->host_no));
2534
2535 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
2536 &ha->dpc_flags))) {
2537
2c3dfe3f 2538 rval = qla2x00_loop_resync(ha);
1da177e4
LT		 2539
2540 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
2541 }
2542
2543 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
2544 ha->host_no));
2545 }
2546
1da177e4
LT		 2547 if (test_and_clear_bit(FCPORT_RESCAN_NEEDED, &ha->dpc_flags)) {
2548
2549 DEBUG(printk("scsi(%ld): Rescan flagged fcports...\n",
2550 ha->host_no));
2551
2552 qla2x00_rescan_fcports(ha);
2553
2554 DEBUG(printk("scsi(%ld): Rescan flagged fcports..."
2555 "end.\n",
2556 ha->host_no));
2557 }
2558
1da177e4 2559 if (!ha->interrupts_on)
fd34f556 2560 ha->isp_ops->enable_intrs(ha);
1da177e4 2561
f6df144c 2562 if (test_and_clear_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags))
fd34f556 2563 ha->isp_ops->beacon_blink(ha);
f6df144c 2564
2c3dfe3f
SJ		 2565 qla2x00_do_dpc_all_vps(ha);
2566
1da177e4
LT		 2567 ha->dpc_active = 0;
2568 } /* End of while(1) */
2569
2570 DEBUG(printk("scsi(%ld): DPC handler exiting\n", ha->host_no));
2571
2572 /*
2573 * Make sure that nobody tries to wake us up again.
2574 */
1da177e4
LT		 2575 ha->dpc_active = 0;
2576
39a11240
CH		 2577 return 0;
2578}
2579
2580void
2581qla2xxx_wake_dpc(scsi_qla_host_t *ha)
2582{
2583 if (ha->dpc_thread)
2584 wake_up_process(ha->dpc_thread);
1da177e4
LT		 2585}
2586
1da177e4
LT		 2587/*
2588* qla2x00_rst_aen
2589* Processes asynchronous reset.
2590*
2591* Input:
2592* ha = adapter block pointer.
2593*/
2594static void
fa2a1ce5 2595qla2x00_rst_aen(scsi_qla_host_t *ha)
1da177e4
LT		 2596{
2597 if (ha->flags.online && !ha->flags.reset_active &&
2598 !atomic_read(&ha->loop_down_timer) &&
2599 !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) {
2600 do {
2601 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
2602
2603 /*
2604 * Issue marker command only when we are going to start
2605 * the I/O.
2606 */
2607 ha->marker_needed = 1;
2608 } while (!atomic_read(&ha->loop_down_timer) &&
2609 (test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags)));
2610 }
2611}
2612
f4f051eb
AV		 2613static void
2614qla2x00_sp_free_dma(scsi_qla_host_t *ha, srb_t *sp)
2615{
2616 struct scsi_cmnd *cmd = sp->cmd;
2617
2618 if (sp->flags & SRB_DMA_VALID) {
385d70b4 2619 scsi_dma_unmap(cmd);
f4f051eb
AV		 2620 sp->flags &= ~SRB_DMA_VALID;
2621 }
fca29703 2622 CMD_SP(cmd) = NULL;
f4f051eb
AV		 2623}
2624
2625void
2626qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *sp)
2627{
2628 struct scsi_cmnd *cmd = sp->cmd;
2629
2630 qla2x00_sp_free_dma(ha, sp);
2631
f4f051eb
AV		 2632 mempool_free(sp, ha->srb_mempool);
2633
2634 cmd->scsi_done(cmd);
2635}
bdf79621 2636
1da177e4
LT		 2637/**************************************************************************
2638* qla2x00_timer
2639*
2640* Description:
2641* One second timer
2642*
2643* Context: Interrupt
2644***************************************************************************/
2c3dfe3f 2645void
1da177e4
LT		 2646qla2x00_timer(scsi_qla_host_t *ha)
2647{
1da177e4
LT		 2648 unsigned long cpu_flags = 0;
2649 fc_port_t *fcport;
1da177e4
LT		 2650 int start_dpc = 0;
2651 int index;
2652 srb_t *sp;
f4f051eb 2653 int t;
2c3dfe3f 2654 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4
LT		 2655
2656 /*
2657 * Ports - Port down timer.
2658 *
2659 * Whenever, a port is in the LOST state we start decrementing its port
2660 * down timer every second until it reaches zero. Once it reaches zero
fa2a1ce5 2661 * the port it marked DEAD.
1da177e4
LT		 2662 */
2663 t = 0;
2664 list_for_each_entry(fcport, &ha->fcports, list) {
2665 if (fcport->port_type != FCT_TARGET)
2666 continue;
2667
2668 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2669
2670 if (atomic_read(&fcport->port_down_timer) == 0)
2671 continue;
2672
fa2a1ce5 2673 if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
1da177e4 2674 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
fa2a1ce5 2675
1da177e4 2676 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
fca29703 2677 "%d remaining\n",
1da177e4
LT		 2678 ha->host_no,
2679 t, atomic_read(&fcport->port_down_timer)));
2680 }
2681 t++;
2682 } /* End of for fcport */
2683
1da177e4
LT		 2684
2685 /* Loop down handler. */
2686 if (atomic_read(&ha->loop_down_timer) > 0 &&
2687 !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) && ha->flags.online) {
2688
2689 if (atomic_read(&ha->loop_down_timer) ==
2690 ha->loop_down_abort_time) {
2691
2692 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2693 "queues before time expire\n",
2694 ha->host_no));
2695
2696 if (!IS_QLA2100(ha) && ha->link_down_timeout)
fa2a1ce5 2697 atomic_set(&ha->loop_state, LOOP_DEAD);
1da177e4
LT		 2698
2699 /* Schedule an ISP abort to return any tape commands. */
2c3dfe3f
SJ		 2700 /* NPIV - scan physical port only */
2701 if (!ha->parent) {
2702 spin_lock_irqsave(&ha->hardware_lock,
2703 cpu_flags);
2704 for (index = 1;
2705 index < MAX_OUTSTANDING_COMMANDS;
2706 index++) {
2707 fc_port_t *sfcp;
2708
2709 sp = ha->outstanding_cmds[index];
2710 if (!sp)
2711 continue;
2712 sfcp = sp->fcport;
2713 if (!(sfcp->flags & FCF_TAPE_PRESENT))
2714 continue;
bdf79621 2715
2c3dfe3f
SJ		 2716 set_bit(ISP_ABORT_NEEDED,
2717 &ha->dpc_flags);
2718 break;
2719 }
2720 spin_unlock_irqrestore(&ha->hardware_lock,
2721 cpu_flags);
1da177e4 2722 }
1da177e4
LT		 2723 set_bit(ABORT_QUEUES_NEEDED, &ha->dpc_flags);
2724 start_dpc++;
2725 }
2726
2727 /* if the loop has been down for 4 minutes, reinit adapter */
2728 if (atomic_dec_and_test(&ha->loop_down_timer) != 0) {
2729 DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - "
2730 "restarting queues.\n",
2731 ha->host_no));
2732
2733 set_bit(RESTART_QUEUES_NEEDED, &ha->dpc_flags);
2734 start_dpc++;
2735
2736 if (!(ha->device_flags & DFLG_NO_CABLE)) {
2737 DEBUG(printk("scsi(%ld): Loop down - "
2738 "aborting ISP.\n",
2739 ha->host_no));
2740 qla_printk(KERN_WARNING, ha,
2741 "Loop down - aborting ISP.\n");
2742
2743 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
2744 }
2745 }
fca29703 2746 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
1da177e4
LT		 2747 ha->host_no,
2748 atomic_read(&ha->loop_down_timer)));
2749 }
2750
f6df144c
AV		 2751 /* Check if beacon LED needs to be blinked */
2752 if (ha->beacon_blink_led == 1) {
2753 set_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags);
2754 start_dpc++;
2755 }
2756
1da177e4
LT		 2757 /* Schedule the DPC routine if needed */
2758 if ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) ||
2759 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) ||
91ca7b01 2760 test_bit(LOOP_RESET_NEEDED, &ha->dpc_flags) ||
d97994dc 2761 test_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags) ||
1da177e4
LT		 2762 start_dpc ||
2763 test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags) ||
f4f051eb 2764 test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) ||
f6df144c 2765 test_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags) ||
2c3dfe3f 2766 test_bit(VP_DPC_NEEDED, &ha->dpc_flags) ||
39a11240 2767 test_bit(RELOGIN_NEEDED, &ha->dpc_flags)))
2c3dfe3f 2768 qla2xxx_wake_dpc(pha);
1da177e4
LT		 2769
2770 qla2x00_restart_timer(ha, WATCH_INTERVAL);
2771}
2772
5433383e
AV		 2773/* Firmware interface routines. */
2774
c3a2f0df 2775#define FW_BLOBS 6
5433383e
AV		 2776#define FW_ISP21XX 0
2777#define FW_ISP22XX 1
2778#define FW_ISP2300 2
2779#define FW_ISP2322 3
48c02fde 2780#define FW_ISP24XX 4
c3a2f0df 2781#define FW_ISP25XX 5
5433383e 2782
bb8ee499
AV		 2783#define FW_FILE_ISP21XX "ql2100_fw.bin"
2784#define FW_FILE_ISP22XX "ql2200_fw.bin"
2785#define FW_FILE_ISP2300 "ql2300_fw.bin"
2786#define FW_FILE_ISP2322 "ql2322_fw.bin"
2787#define FW_FILE_ISP24XX "ql2400_fw.bin"
c3a2f0df 2788#define FW_FILE_ISP25XX "ql2500_fw.bin"
bb8ee499 2789
5433383e
AV		 2790static DECLARE_MUTEX(qla_fw_lock);
2791
2792static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
bb8ee499
AV		 2793 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
2794 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
2795 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
2796 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
2797 { .name = FW_FILE_ISP24XX, },
c3a2f0df 2798 { .name = FW_FILE_ISP25XX, },
5433383e
AV		 2799};
2800
2801struct fw_blob *
2802qla2x00_request_firmware(scsi_qla_host_t *ha)
2803{
2804 struct fw_blob *blob;
2805
2806 blob = NULL;
2807 if (IS_QLA2100(ha)) {
2808 blob = &qla_fw_blobs[FW_ISP21XX];
2809 } else if (IS_QLA2200(ha)) {
2810 blob = &qla_fw_blobs[FW_ISP22XX];
48c02fde 2811 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
5433383e 2812 blob = &qla_fw_blobs[FW_ISP2300];
48c02fde 2813 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
5433383e 2814 blob = &qla_fw_blobs[FW_ISP2322];
044cc6c8 2815 } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
5433383e 2816 blob = &qla_fw_blobs[FW_ISP24XX];
c3a2f0df
AV		 2817 } else if (IS_QLA25XX(ha)) {
2818 blob = &qla_fw_blobs[FW_ISP25XX];
5433383e
AV		 2819 }
2820
2821 down(&qla_fw_lock);
2822 if (blob->fw)
2823 goto out;
2824
2825 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
2826 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
2827 "(%s).\n", ha->host_no, blob->name));
2828 blob->fw = NULL;
2829 blob = NULL;
2830 goto out;
2831 }
2832
2833out:
2834 up(&qla_fw_lock);
2835 return blob;
2836}
2837
2838static void
2839qla2x00_release_firmware(void)
2840{
2841 int idx;
2842
2843 down(&qla_fw_lock);
2844 for (idx = 0; idx < FW_BLOBS; idx++)
2845 if (qla_fw_blobs[idx].fw)
2846 release_firmware(qla_fw_blobs[idx].fw);
2847 up(&qla_fw_lock);
2848}
2849
14e660e6
SJ		 2850static pci_ers_result_t
2851qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
2852{
2853 switch (state) {
2854 case pci_channel_io_normal:
2855 return PCI_ERS_RESULT_CAN_RECOVER;
2856 case pci_channel_io_frozen:
2857 pci_disable_device(pdev);
2858 return PCI_ERS_RESULT_NEED_RESET;
2859 case pci_channel_io_perm_failure:
2860 qla2x00_remove_one(pdev);
2861 return PCI_ERS_RESULT_DISCONNECT;
2862 }
2863 return PCI_ERS_RESULT_NEED_RESET;
2864}
2865
2866static pci_ers_result_t
2867qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
2868{
2869 int risc_paused = 0;
2870 uint32_t stat;
2871 unsigned long flags;
2872 scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2873 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2874 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
2875
2876 spin_lock_irqsave(&ha->hardware_lock, flags);
2877 if (IS_QLA2100(ha) || IS_QLA2200(ha)){
2878 stat = RD_REG_DWORD(&reg->hccr);
2879 if (stat & HCCR_RISC_PAUSE)
2880 risc_paused = 1;
2881 } else if (IS_QLA23XX(ha)) {
2882 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
2883 if (stat & HSR_RISC_PAUSED)
2884 risc_paused = 1;
2885 } else if (IS_FWI2_CAPABLE(ha)) {
2886 stat = RD_REG_DWORD(&reg24->host_status);
2887 if (stat & HSRX_RISC_PAUSED)
2888 risc_paused = 1;
2889 }
2890 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2891
2892 if (risc_paused) {
2893 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
2894 "Dumping firmware!\n");
2895 ha->isp_ops->fw_dump(ha, 0);
2896
2897 return PCI_ERS_RESULT_NEED_RESET;
2898 } else
2899 return PCI_ERS_RESULT_RECOVERED;
2900}
2901
2902static pci_ers_result_t
2903qla2xxx_pci_slot_reset(struct pci_dev *pdev)
2904{
2905 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
2906 scsi_qla_host_t *ha = pci_get_drvdata(pdev);
09483916
BH		 2907 int rc;
2908
2909 if (ha->mem_only)
2910 rc = pci_enable_device_mem(pdev);
2911 else
2912 rc = pci_enable_device(pdev);
14e660e6 2913
09483916 2914 if (rc) {
14e660e6
SJ		 2915 qla_printk(KERN_WARNING, ha,
2916 "Can't re-enable PCI device after reset.\n");
2917
2918 return ret;
2919 }
2920 pci_set_master(pdev);
2921
2922 if (ha->isp_ops->pci_config(ha))
2923 return ret;
2924
2925 set_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2926 if (qla2x00_abort_isp(ha)== QLA_SUCCESS)
2927 ret = PCI_ERS_RESULT_RECOVERED;
2928 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2929
2930 return ret;
2931}
2932
2933static void
2934qla2xxx_pci_resume(struct pci_dev *pdev)
2935{
2936 scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2937 int ret;
2938
2939 ret = qla2x00_wait_for_hba_online(ha);
2940 if (ret != QLA_SUCCESS) {
2941 qla_printk(KERN_ERR, ha,
2942 "the device failed to resume I/O "
2943 "from slot/link_reset");
2944 }
2945 pci_cleanup_aer_uncorrect_error_status(pdev);
2946}
2947
2948static struct pci_error_handlers qla2xxx_err_handler = {
2949 .error_detected = qla2xxx_pci_error_detected,
2950 .mmio_enabled = qla2xxx_pci_mmio_enabled,
2951 .slot_reset = qla2xxx_pci_slot_reset,
2952 .resume = qla2xxx_pci_resume,
2953};
2954
5433383e 2955static struct pci_device_id qla2xxx_pci_tbl[] = {
47f5e069
AV		 2956 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
2957 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
2958 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
2959 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
2960 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
2961 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
2962 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
2963 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
2964 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
2965 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
2966 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
c3a2f0df 2967 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
5433383e
AV		 2968 { 0 },
2969};
2970MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
2971
fca29703 2972static struct pci_driver qla2xxx_pci_driver = {
cb63067a 2973 .name = QLA2XXX_DRIVER_NAME,
0a21ef1e
JB		 2974 .driver = {
2975 .owner = THIS_MODULE,
2976 },
fca29703 2977 .id_table = qla2xxx_pci_tbl,
7ee61397 2978 .probe = qla2x00_probe_one,
4c993f76 2979 .remove = qla2x00_remove_one,
14e660e6 2980 .err_handler = &qla2xxx_err_handler,
fca29703
AV		 2981};
2982
1da177e4
LT		 2983/**
2984 * qla2x00_module_init - Module initialization.
2985 **/
2986static int __init
2987qla2x00_module_init(void)
2988{
fca29703
AV		 2989 int ret = 0;
2990
1da177e4 2991 /* Allocate cache for SRBs. */
354d6b21 2992 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
20c2df83 2993 SLAB_HWCACHE_ALIGN, NULL);
1da177e4
LT		 2994 if (srb_cachep == NULL) {
2995 printk(KERN_ERR
2996 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
2997 return -ENOMEM;
2998 }
2999
3000 /* Derive version string. */
3001 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
11010fec 3002 if (ql2xextended_error_logging)
0181944f
AV		 3003 strcat(qla2x00_version_str, "-debug");
3004
1c97a12a
AV		 3005 qla2xxx_transport_template =
3006 fc_attach_transport(&qla2xxx_transport_functions);
2c3dfe3f
SJ		 3007 if (!qla2xxx_transport_template) {
3008 kmem_cache_destroy(srb_cachep);
1da177e4 3009 return -ENODEV;
2c3dfe3f
SJ		 3010 }
3011 qla2xxx_transport_vport_template =
3012 fc_attach_transport(&qla2xxx_transport_vport_functions);
3013 if (!qla2xxx_transport_vport_template) {
3014 kmem_cache_destroy(srb_cachep);
3015 fc_release_transport(qla2xxx_transport_template);
1da177e4 3016 return -ENODEV;
2c3dfe3f 3017 }
1da177e4
LT		 3018
3019 printk(KERN_INFO "QLogic Fibre Channel HBA Driver\n");
7ee61397 3020 ret = pci_register_driver(&qla2xxx_pci_driver);
fca29703
AV		 3021 if (ret) {
3022 kmem_cache_destroy(srb_cachep);
3023 fc_release_transport(qla2xxx_transport_template);
2c3dfe3f 3024 fc_release_transport(qla2xxx_transport_vport_template);
fca29703
AV		 3025 }
3026 return ret;
1da177e4
LT		 3027}
3028
3029/**
3030 * qla2x00_module_exit - Module cleanup.
3031 **/
3032static void __exit
3033qla2x00_module_exit(void)
3034{
7ee61397 3035 pci_unregister_driver(&qla2xxx_pci_driver);
5433383e 3036 qla2x00_release_firmware();
354d6b21 3037 kmem_cache_destroy(srb_cachep);
1da177e4 3038 fc_release_transport(qla2xxx_transport_template);
2c3dfe3f 3039 fc_release_transport(qla2xxx_transport_vport_template);
1da177e4
LT		 3040}
3041
3042module_init(qla2x00_module_init);
3043module_exit(qla2x00_module_exit);
3044
3045MODULE_AUTHOR("QLogic Corporation");
3046MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
3047MODULE_LICENSE("GPL");
3048MODULE_VERSION(QLA2XXX_VERSION);
bb8ee499
AV		 3049MODULE_FIRMWARE(FW_FILE_ISP21XX);
3050MODULE_FIRMWARE(FW_FILE_ISP22XX);
3051MODULE_FIRMWARE(FW_FILE_ISP2300);
3052MODULE_FIRMWARE(FW_FILE_ISP2322);
3053MODULE_FIRMWARE(FW_FILE_ISP24XX);
61623fc3 3054MODULE_FIRMWARE(FW_FILE_ISP25XX);
ubuntu-bionic-kernel mirror