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[SCSI] qla2xxx: Correct compilation failures when DEBUG'n' options are enabled.
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / scsi / qla2xxx / qla_os.c
CommitLineData
1da177e4 1/*
fa90c54f 2 * QLogic Fibre Channel HBA Driver
01e58d8e 3 * Copyright (c) 2003-2008 QLogic Corporation
1da177e4 4 *
fa90c54f 5 * See LICENSE.qla2xxx for copyright and licensing details.
1da177e4
LT		 6 */
7#include "qla_def.h"
8
9#include <linux/moduleparam.h>
10#include <linux/vmalloc.h>
1da177e4 11#include <linux/delay.h>
39a11240 12#include <linux/kthread.h>
e1e82b6f 13#include <linux/mutex.h>
1da177e4
LT		 14
15#include <scsi/scsi_tcq.h>
16#include <scsi/scsicam.h>
17#include <scsi/scsi_transport.h>
18#include <scsi/scsi_transport_fc.h>
19
20/*
21 * Driver version
22 */
23char qla2x00_version_str[40];
24
25/*
26 * SRB allocation cache
27 */
e18b890b 28static struct kmem_cache *srb_cachep;
1da177e4 29
1da177e4
LT		 30int ql2xlogintimeout = 20;
31module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR);
32MODULE_PARM_DESC(ql2xlogintimeout,
33 "Login timeout value in seconds.");
34
a7b61842 35int qlport_down_retry;
1da177e4
LT		 36module_param(qlport_down_retry, int, S_IRUGO|S_IRUSR);
37MODULE_PARM_DESC(qlport_down_retry,
900d9f98 38 "Maximum number of command retries to a port that returns "
1da177e4
LT		 39 "a PORT-DOWN status.");
40
1da177e4
LT		 41int ql2xplogiabsentdevice;
42module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
43MODULE_PARM_DESC(ql2xplogiabsentdevice,
44 "Option to enable PLOGI to devices that are not present after "
900d9f98 45 "a Fabric scan. This is needed for several broken switches. "
1da177e4
LT		 46 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
47
1da177e4
LT		 48int ql2xloginretrycount = 0;
49module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR);
50MODULE_PARM_DESC(ql2xloginretrycount,
51 "Specify an alternate value for the NVRAM login retry count.");
52
a7a167bf
AV		 53int ql2xallocfwdump = 1;
54module_param(ql2xallocfwdump, int, S_IRUGO|S_IRUSR);
55MODULE_PARM_DESC(ql2xallocfwdump,
56 "Option to enable allocation of memory for a firmware dump "
57 "during HBA initialization. Memory allocation requirements "
58 "vary by ISP type. Default is 1 - allocate memory.");
59
11010fec 60int ql2xextended_error_logging;
27d94035 61module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
11010fec 62MODULE_PARM_DESC(ql2xextended_error_logging,
0181944f
AV		 63 "Option to enable extended error logging, "
64 "Default is 0 - no logging. 1 - log errors.");
65
1da177e4
LT		 66static void qla2x00_free_device(scsi_qla_host_t *);
67
7e47e5ca 68int ql2xfdmienable=1;
cca5335c
AV		 69module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR);
70MODULE_PARM_DESC(ql2xfdmienable,
71 "Enables FDMI registratons "
72 "Default is 0 - no FDMI. 1 - perfom FDMI.");
73
df7baa50
AV		 74#define MAX_Q_DEPTH 32
75static int ql2xmaxqdepth = MAX_Q_DEPTH;
76module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
77MODULE_PARM_DESC(ql2xmaxqdepth,
78 "Maximum queue depth to report for target devices.");
79
80int ql2xqfullrampup = 120;
81module_param(ql2xqfullrampup, int, S_IRUGO|S_IWUSR);
82MODULE_PARM_DESC(ql2xqfullrampup,
83 "Number of seconds to wait to begin to ramp-up the queue "
84 "depth for a device after a queue-full condition has been "
85 "detected. Default is 120 seconds.");
86
e5896bd5
AV		 87int ql2xiidmaenable=1;
88module_param(ql2xiidmaenable, int, S_IRUGO|S_IRUSR);
89MODULE_PARM_DESC(ql2xiidmaenable,
90 "Enables iIDMA settings "
91 "Default is 1 - perform iIDMA. 0 - no iIDMA.");
92
73208dfd
AC		 93int ql2xmaxqueues = 1;
94module_param(ql2xmaxqueues, int, S_IRUGO|S_IRUSR);
95MODULE_PARM_DESC(ql2xmaxqueues,
96 "Enables MQ settings "
97 "Default is 1 for single queue. Set it to number \
98 of queues in MQ mode.");
1da177e4 99/*
fa2a1ce5 100 * SCSI host template entry points
1da177e4
LT		 101 */
102static int qla2xxx_slave_configure(struct scsi_device * device);
f4f051eb 103static int qla2xxx_slave_alloc(struct scsi_device *);
1e99e33a
AV		 104static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
105static void qla2xxx_scan_start(struct Scsi_Host *);
f4f051eb 106static void qla2xxx_slave_destroy(struct scsi_device *);
a5326f86 107static int qla2xxx_queuecommand(struct scsi_cmnd *cmd,
fca29703 108 void (*fn)(struct scsi_cmnd *));
1da177e4
LT		 109static int qla2xxx_eh_abort(struct scsi_cmnd *);
110static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
523ec773 111static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
1da177e4
LT		 112static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
113static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
1da177e4 114
ce7e4af7
AV		 115static int qla2x00_change_queue_depth(struct scsi_device *, int);
116static int qla2x00_change_queue_type(struct scsi_device *, int);
117
a5326f86 118struct scsi_host_template qla2xxx_driver_template = {
1da177e4 119 .module = THIS_MODULE,
cb63067a 120 .name = QLA2XXX_DRIVER_NAME,
a5326f86 121 .queuecommand = qla2xxx_queuecommand,
fca29703
AV		 122
123 .eh_abort_handler = qla2xxx_eh_abort,
124 .eh_device_reset_handler = qla2xxx_eh_device_reset,
523ec773 125 .eh_target_reset_handler = qla2xxx_eh_target_reset,
fca29703
AV		 126 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
127 .eh_host_reset_handler = qla2xxx_eh_host_reset,
128
129 .slave_configure = qla2xxx_slave_configure,
130
131 .slave_alloc = qla2xxx_slave_alloc,
132 .slave_destroy = qla2xxx_slave_destroy,
ed677086
AV		 133 .scan_finished = qla2xxx_scan_finished,
134 .scan_start = qla2xxx_scan_start,
ce7e4af7
AV		 135 .change_queue_depth = qla2x00_change_queue_depth,
136 .change_queue_type = qla2x00_change_queue_type,
fca29703
AV		 137 .this_id = -1,
138 .cmd_per_lun = 3,
139 .use_clustering = ENABLE_CLUSTERING,
140 .sg_tablesize = SG_ALL,
141
142 .max_sectors = 0xFFFF,
afb046e2 143 .shost_attrs = qla2x00_host_attrs,
fca29703
AV		 144};
145
1da177e4 146static struct scsi_transport_template *qla2xxx_transport_template = NULL;
2c3dfe3f 147struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
1da177e4 148
1da177e4
LT		 149/* TODO Convert to inlines
150 *
151 * Timer routines
152 */
1da177e4 153
2c3dfe3f 154__inline__ void
e315cd28 155qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval)
1da177e4 156{
e315cd28
AC		 157 init_timer(&vha->timer);
158 vha->timer.expires = jiffies + interval * HZ;
159 vha->timer.data = (unsigned long)vha;
160 vha->timer.function = (void (*)(unsigned long))func;
161 add_timer(&vha->timer);
162 vha->timer_active = 1;
1da177e4
LT		 163}
164
165static inline void
e315cd28 166qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
1da177e4 167{
e315cd28 168 mod_timer(&vha->timer, jiffies + interval * HZ);
1da177e4
LT		 169}
170
a824ebb3 171static __inline__ void
e315cd28 172qla2x00_stop_timer(scsi_qla_host_t *vha)
1da177e4 173{
e315cd28
AC		 174 del_timer_sync(&vha->timer);
175 vha->timer_active = 0;
1da177e4
LT		 176}
177
1da177e4
LT		 178static int qla2x00_do_dpc(void *data);
179
180static void qla2x00_rst_aen(scsi_qla_host_t *);
181
73208dfd
AC		 182static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
183 struct req_que **, struct rsp_que **);
e315cd28
AC		 184static void qla2x00_mem_free(struct qla_hw_data *);
185static void qla2x00_sp_free_dma(srb_t *);
1da177e4 186
1da177e4 187/* -------------------------------------------------------------------------- */
73208dfd
AC		 188static int qla2x00_alloc_queues(struct qla_hw_data *ha)
189{
190 ha->req_q_map = kzalloc(sizeof(struct req_que *) * ha->max_queues,
191 GFP_KERNEL);
192 if (!ha->req_q_map) {
193 qla_printk(KERN_WARNING, ha,
194 "Unable to allocate memory for request queue ptrs\n");
195 goto fail_req_map;
196 }
197
198 ha->rsp_q_map = kzalloc(sizeof(struct rsp_que *) * ha->max_queues,
199 GFP_KERNEL);
200 if (!ha->rsp_q_map) {
201 qla_printk(KERN_WARNING, ha,
202 "Unable to allocate memory for response queue ptrs\n");
203 goto fail_rsp_map;
204 }
205 set_bit(0, ha->rsp_qid_map);
206 set_bit(0, ha->req_qid_map);
207 return 1;
208
209fail_rsp_map:
210 kfree(ha->req_q_map);
211 ha->req_q_map = NULL;
212fail_req_map:
213 return -ENOMEM;
214}
215
216static void qla2x00_free_que(struct qla_hw_data *ha, struct req_que *req,
217 struct rsp_que *rsp)
218{
219 if (rsp && rsp->ring)
220 dma_free_coherent(&ha->pdev->dev,
221 (rsp->length + 1) * sizeof(response_t),
222 rsp->ring, rsp->dma);
223
224 kfree(rsp);
225 rsp = NULL;
226 if (req && req->ring)
227 dma_free_coherent(&ha->pdev->dev,
228 (req->length + 1) * sizeof(request_t),
229 req->ring, req->dma);
230
231 kfree(req);
232 req = NULL;
233}
234
235static void qla2x00_free_queues(struct qla_hw_data *ha)
236{
237 struct req_que *req;
238 struct rsp_que *rsp;
239 int cnt;
240
241 for (cnt = 0; cnt < ha->max_queues; cnt++) {
242 rsp = ha->rsp_q_map[cnt];
243 req = ha->req_q_map[cnt];
244 qla2x00_free_que(ha, req, rsp);
245 }
246 kfree(ha->rsp_q_map);
247 ha->rsp_q_map = NULL;
248
249 kfree(ha->req_q_map);
250 ha->req_q_map = NULL;
251}
252
1da177e4 253static char *
e315cd28 254qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
1da177e4 255{
e315cd28 256 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 257 static char *pci_bus_modes[] = {
258 "33", "66", "100", "133",
259 };
260 uint16_t pci_bus;
261
262 strcpy(str, "PCI");
263 pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
264 if (pci_bus) {
265 strcat(str, "-X (");
266 strcat(str, pci_bus_modes[pci_bus]);
267 } else {
268 pci_bus = (ha->pci_attr & BIT_8) >> 8;
269 strcat(str, " (");
270 strcat(str, pci_bus_modes[pci_bus]);
271 }
272 strcat(str, " MHz)");
273
274 return (str);
275}
276
fca29703 277static char *
e315cd28 278qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
fca29703
AV		 279{
280 static char *pci_bus_modes[] = { "33", "66", "100", "133", };
e315cd28 281 struct qla_hw_data *ha = vha->hw;
fca29703
AV		 282 uint32_t pci_bus;
283 int pcie_reg;
284
285 pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
286 if (pcie_reg) {
287 char lwstr[6];
288 uint16_t pcie_lstat, lspeed, lwidth;
289
290 pcie_reg += 0x12;
291 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
292 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
293 lwidth = (pcie_lstat &
294 (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
295
296 strcpy(str, "PCIe (");
297 if (lspeed == 1)
c87a0d8c 298 strcat(str, "2.5GT/s ");
c3a2f0df 299 else if (lspeed == 2)
c87a0d8c 300 strcat(str, "5.0GT/s ");
fca29703
AV		 301 else
302 strcat(str, "<unknown> ");
303 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
304 strcat(str, lwstr);
305
306 return str;
307 }
308
309 strcpy(str, "PCI");
310 pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
311 if (pci_bus == 0 || pci_bus == 8) {
312 strcat(str, " (");
313 strcat(str, pci_bus_modes[pci_bus >> 3]);
314 } else {
315 strcat(str, "-X ");
316 if (pci_bus & BIT_2)
317 strcat(str, "Mode 2");
318 else
319 strcat(str, "Mode 1");
320 strcat(str, " (");
321 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
322 }
323 strcat(str, " MHz)");
324
325 return str;
326}
327
e5f82ab8 328static char *
e315cd28 329qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str)
1da177e4
LT		 330{
331 char un_str[10];
e315cd28 332 struct qla_hw_data *ha = vha->hw;
fa2a1ce5 333
1da177e4
LT		 334 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
335 ha->fw_minor_version,
336 ha->fw_subminor_version);
337
338 if (ha->fw_attributes & BIT_9) {
339 strcat(str, "FLX");
340 return (str);
341 }
342
343 switch (ha->fw_attributes & 0xFF) {
344 case 0x7:
345 strcat(str, "EF");
346 break;
347 case 0x17:
348 strcat(str, "TP");
349 break;
350 case 0x37:
351 strcat(str, "IP");
352 break;
353 case 0x77:
354 strcat(str, "VI");
355 break;
356 default:
357 sprintf(un_str, "(%x)", ha->fw_attributes);
358 strcat(str, un_str);
359 break;
360 }
361 if (ha->fw_attributes & 0x100)
362 strcat(str, "X");
363
364 return (str);
365}
366
e5f82ab8 367static char *
e315cd28 368qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str)
fca29703 369{
e315cd28 370 struct qla_hw_data *ha = vha->hw;
f0883ac6 371
3a03eb79
AV		 372 sprintf(str, "%d.%02d.%02d (%x)", ha->fw_major_version,
373 ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
fca29703 374 return str;
fca29703
AV		 375}
376
377static inline srb_t *
e315cd28 378qla2x00_get_new_sp(scsi_qla_host_t *vha, fc_port_t *fcport,
fca29703
AV		 379 struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
380{
381 srb_t *sp;
e315cd28 382 struct qla_hw_data *ha = vha->hw;
fca29703
AV		 383
384 sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
385 if (!sp)
386 return sp;
387
fca29703
AV		 388 sp->fcport = fcport;
389 sp->cmd = cmd;
17d98630 390 sp->que = ha->req_q_map[0];
fca29703
AV		 391 sp->flags = 0;
392 CMD_SP(cmd) = (void *)sp;
393 cmd->scsi_done = done;
394
395 return sp;
396}
397
1da177e4 398static int
a5326f86 399qla2xxx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
fca29703 400{
e315cd28 401 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
fca29703 402 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
19a7b4ae 403 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
e315cd28
AC		 404 struct qla_hw_data *ha = vha->hw;
405 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
fca29703
AV		 406 srb_t *sp;
407 int rval;
408
e315cd28 409 if (unlikely(pci_channel_offline(ha->pdev))) {
b9b12f73
SJ		 410 if (ha->pdev->error_state == pci_channel_io_frozen)
411 cmd->result = DID_REQUEUE << 16;
412 else
413 cmd->result = DID_NO_CONNECT << 16;
14e660e6
SJ		 414 goto qc24_fail_command;
415 }
416
19a7b4ae
JSEC		 417 rval = fc_remote_port_chkready(rport);
418 if (rval) {
419 cmd->result = rval;
fca29703
AV		 420 goto qc24_fail_command;
421 }
422
387f96b4 423 /* Close window on fcport/rport state-transitioning. */
7b594131
MC		 424 if (fcport->drport)
425 goto qc24_target_busy;
387f96b4 426
fca29703
AV		 427 if (atomic_read(&fcport->state) != FCS_ONLINE) {
428 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
e315cd28 429 atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
fca29703
AV		 430 cmd->result = DID_NO_CONNECT << 16;
431 goto qc24_fail_command;
432 }
7b594131 433 goto qc24_target_busy;
fca29703
AV		 434 }
435
e315cd28 436 spin_unlock_irq(vha->host->host_lock);
fca29703 437
e315cd28 438 sp = qla2x00_get_new_sp(base_vha, fcport, cmd, done);
fca29703
AV		 439 if (!sp)
440 goto qc24_host_busy_lock;
441
e315cd28 442 rval = ha->isp_ops->start_scsi(sp);
fca29703
AV		 443 if (rval != QLA_SUCCESS)
444 goto qc24_host_busy_free_sp;
445
e315cd28 446 spin_lock_irq(vha->host->host_lock);
fca29703
AV		 447
448 return 0;
449
450qc24_host_busy_free_sp:
e315cd28
AC		 451 qla2x00_sp_free_dma(sp);
452 mempool_free(sp, ha->srb_mempool);
fca29703
AV		 453
454qc24_host_busy_lock:
e315cd28 455 spin_lock_irq(vha->host->host_lock);
fca29703
AV		 456 return SCSI_MLQUEUE_HOST_BUSY;
457
7b594131
MC		 458qc24_target_busy:
459 return SCSI_MLQUEUE_TARGET_BUSY;
460
fca29703
AV		 461qc24_fail_command:
462 done(cmd);
463
464 return 0;
465}
466
467
1da177e4
LT		 468/*
469 * qla2x00_eh_wait_on_command
470 * Waits for the command to be returned by the Firmware for some
471 * max time.
472 *
473 * Input:
1da177e4 474 * cmd = Scsi Command to wait on.
1da177e4
LT		 475 *
476 * Return:
477 * Not Found : 0
478 * Found : 1
479 */
480static int
e315cd28 481qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
1da177e4 482{
fe74c71f
AV		 483#define ABORT_POLLING_PERIOD 1000
484#define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
f4f051eb
AV		 485 unsigned long wait_iter = ABORT_WAIT_ITER;
486 int ret = QLA_SUCCESS;
1da177e4 487
f4f051eb 488 while (CMD_SP(cmd)) {
fe74c71f 489 msleep(ABORT_POLLING_PERIOD);
1da177e4 490
f4f051eb
AV		 491 if (--wait_iter)
492 break;
493 }
494 if (CMD_SP(cmd))
495 ret = QLA_FUNCTION_FAILED;
1da177e4 496
f4f051eb 497 return ret;
1da177e4
LT		 498}
499
500/*
501 * qla2x00_wait_for_hba_online
fa2a1ce5 502 * Wait till the HBA is online after going through
1da177e4
LT		 503 * <= MAX_RETRIES_OF_ISP_ABORT or
504 * finally HBA is disabled ie marked offline
505 *
506 * Input:
507 * ha - pointer to host adapter structure
fa2a1ce5
AV		 508 *
509 * Note:
1da177e4
LT		 510 * Does context switching-Release SPIN_LOCK
511 * (if any) before calling this routine.
512 *
513 * Return:
514 * Success (Adapter is online) : 0
515 * Failed (Adapter is offline/disabled) : 1
516 */
854165f4 517int
e315cd28 518qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
1da177e4 519{
fca29703
AV		 520 int return_status;
521 unsigned long wait_online;
e315cd28
AC		 522 struct qla_hw_data *ha = vha->hw;
523 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1da177e4 524
fa2a1ce5 525 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
e315cd28
AC		 526 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
527 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
528 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
529 ha->dpc_active) && time_before(jiffies, wait_online)) {
1da177e4
LT		 530
531 msleep(1000);
532 }
e315cd28 533 if (base_vha->flags.online)
fa2a1ce5 534 return_status = QLA_SUCCESS;
1da177e4
LT		 535 else
536 return_status = QLA_FUNCTION_FAILED;
537
1da177e4
LT		 538 return (return_status);
539}
540
2533cf67
LC		 541int
542qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
543{
544 int return_status;
545 unsigned long wait_reset;
546 struct qla_hw_data *ha = vha->hw;
547 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
548
549 wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
550 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
551 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
552 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
553 ha->dpc_active) && time_before(jiffies, wait_reset)) {
554
555 msleep(1000);
556
557 if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
558 ha->flags.chip_reset_done)
559 break;
560 }
561 if (ha->flags.chip_reset_done)
562 return_status = QLA_SUCCESS;
563 else
564 return_status = QLA_FUNCTION_FAILED;
565
566 return return_status;
567}
568
1da177e4
LT		 569/*
570 * qla2x00_wait_for_loop_ready
571 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
fa2a1ce5 572 * to be in LOOP_READY state.
1da177e4
LT		 573 * Input:
574 * ha - pointer to host adapter structure
fa2a1ce5
AV		 575 *
576 * Note:
1da177e4
LT		 577 * Does context switching-Release SPIN_LOCK
578 * (if any) before calling this routine.
fa2a1ce5 579 *
1da177e4
LT		 580 *
581 * Return:
582 * Success (LOOP_READY) : 0
583 * Failed (LOOP_NOT_READY) : 1
584 */
fa2a1ce5 585static inline int
e315cd28 586qla2x00_wait_for_loop_ready(scsi_qla_host_t *vha)
1da177e4
LT		 587{
588 int return_status = QLA_SUCCESS;
589 unsigned long loop_timeout ;
e315cd28
AC		 590 struct qla_hw_data *ha = vha->hw;
591 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1da177e4
LT		 592
593 /* wait for 5 min at the max for loop to be ready */
fa2a1ce5 594 loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1da177e4 595
e315cd28
AC		 596 while ((!atomic_read(&base_vha->loop_down_timer) &&
597 atomic_read(&base_vha->loop_state) == LOOP_DOWN) ||
598 atomic_read(&base_vha->loop_state) != LOOP_READY) {
599 if (atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
57680080
RA		 600 return_status = QLA_FUNCTION_FAILED;
601 break;
602 }
1da177e4
LT		 603 msleep(1000);
604 if (time_after_eq(jiffies, loop_timeout)) {
605 return_status = QLA_FUNCTION_FAILED;
606 break;
607 }
608 }
fa2a1ce5 609 return (return_status);
1da177e4
LT		 610}
611
5f3a9a20
SJ		 612void
613qla2x00_abort_fcport_cmds(fc_port_t *fcport)
614{
73208dfd 615 int cnt, que, id;
5f3a9a20
SJ		 616 unsigned long flags;
617 srb_t *sp;
e315cd28
AC		 618 scsi_qla_host_t *vha = fcport->vha;
619 struct qla_hw_data *ha = vha->hw;
73208dfd 620 struct req_que *req;
5f3a9a20 621
e315cd28 622 spin_lock_irqsave(&ha->hardware_lock, flags);
73208dfd
AC		 623 for (que = 0; que < QLA_MAX_HOST_QUES; que++) {
624 id = vha->req_ques[que];
625 req = ha->req_q_map[id];
626 if (!req)
5f3a9a20 627 continue;
73208dfd
AC		 628 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
629 sp = req->outstanding_cmds[cnt];
630 if (!sp)
631 continue;
632 if (sp->fcport != fcport)
633 continue;
5f3a9a20 634
73208dfd
AC		 635 spin_unlock_irqrestore(&ha->hardware_lock, flags);
636 if (ha->isp_ops->abort_command(vha, sp, req)) {
5f3a9a20 637 DEBUG2(qla_printk(KERN_WARNING, ha,
73208dfd
AC		 638 "Abort failed -- %lx\n",
639 sp->cmd->serial_number));
640 } else {
641 if (qla2x00_eh_wait_on_command(sp->cmd) !=
642 QLA_SUCCESS)
643 DEBUG2(qla_printk(KERN_WARNING, ha,
644 "Abort failed while waiting -- %lx\n",
645 sp->cmd->serial_number));
646 }
647 spin_lock_irqsave(&ha->hardware_lock, flags);
5f3a9a20 648 }
5f3a9a20 649 }
e315cd28 650 spin_unlock_irqrestore(&ha->hardware_lock, flags);
5f3a9a20
SJ		 651}
652
07db5183
AV		 653static void
654qla2x00_block_error_handler(struct scsi_cmnd *cmnd)
655{
656 struct Scsi_Host *shost = cmnd->device->host;
657 struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device));
658 unsigned long flags;
659
660 spin_lock_irqsave(shost->host_lock, flags);
661 while (rport->port_state == FC_PORTSTATE_BLOCKED) {
662 spin_unlock_irqrestore(shost->host_lock, flags);
663 msleep(1000);
664 spin_lock_irqsave(shost->host_lock, flags);
665 }
666 spin_unlock_irqrestore(shost->host_lock, flags);
667 return;
668}
669
1da177e4
LT		 670/**************************************************************************
671* qla2xxx_eh_abort
672*
673* Description:
674* The abort function will abort the specified command.
675*
676* Input:
677* cmd = Linux SCSI command packet to be aborted.
678*
679* Returns:
680* Either SUCCESS or FAILED.
681*
682* Note:
2ea00202 683* Only return FAILED if command not returned by firmware.
1da177e4 684**************************************************************************/
e5f82ab8 685static int
1da177e4
LT		 686qla2xxx_eh_abort(struct scsi_cmnd *cmd)
687{
e315cd28 688 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
f4f051eb 689 srb_t *sp;
17d98630 690 int ret, i;
f4f051eb
AV		 691 unsigned int id, lun;
692 unsigned long serial;
18e144d3 693 unsigned long flags;
2ea00202 694 int wait = 0;
e315cd28 695 struct qla_hw_data *ha = vha->hw;
73208dfd 696 struct req_que *req;
17d98630 697 srb_t *spt;
1da177e4 698
07db5183
AV		 699 qla2x00_block_error_handler(cmd);
700
f4f051eb 701 if (!CMD_SP(cmd))
2ea00202 702 return SUCCESS;
1da177e4 703
2ea00202 704 ret = SUCCESS;
1da177e4 705
f4f051eb
AV		 706 id = cmd->device->id;
707 lun = cmd->device->lun;
708 serial = cmd->serial_number;
17d98630
AC		 709 spt = (srb_t *) CMD_SP(cmd);
710 if (!spt)
711 return SUCCESS;
712 req = spt->que;
1da177e4 713
f4f051eb 714 /* Check active list for command command. */
e315cd28 715 spin_lock_irqsave(&ha->hardware_lock, flags);
17d98630
AC		 716 for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
717 sp = req->outstanding_cmds[i];
1da177e4 718
17d98630
AC		 719 if (sp == NULL)
720 continue;
1da177e4 721
17d98630
AC		 722 if (sp->cmd != cmd)
723 continue;
1da177e4 724
17d98630
AC		 725 DEBUG2(printk("%s(%ld): aborting sp %p from RISC."
726 " pid=%ld.\n", __func__, vha->host_no, sp, serial));
727
728 spin_unlock_irqrestore(&ha->hardware_lock, flags);
729 if (ha->isp_ops->abort_command(vha, sp, req)) {
730 DEBUG2(printk("%s(%ld): abort_command "
731 "mbx failed.\n", __func__, vha->host_no));
2ac4b64f 732 ret = FAILED;
17d98630
AC		 733 } else {
734 DEBUG3(printk("%s(%ld): abort_command "
735 "mbx success.\n", __func__, vha->host_no));
736 wait = 1;
73208dfd 737 }
17d98630
AC		 738 spin_lock_irqsave(&ha->hardware_lock, flags);
739 break;
f4f051eb 740 }
e315cd28 741 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1da177e4 742
f4f051eb 743 /* Wait for the command to be returned. */
2ea00202 744 if (wait) {
e315cd28 745 if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
fa2a1ce5 746 qla_printk(KERN_ERR, ha,
f4f051eb 747 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
e315cd28 748 "%x.\n", vha->host_no, id, lun, serial, ret);
2ea00202 749 ret = FAILED;
f4f051eb 750 }
1da177e4 751 }
1da177e4 752
fa2a1ce5 753 qla_printk(KERN_INFO, ha,
2ea00202 754 "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
e315cd28 755 vha->host_no, id, lun, wait, serial, ret);
1da177e4 756
f4f051eb
AV		 757 return ret;
758}
1da177e4 759
523ec773
AV		 760enum nexus_wait_type {
761 WAIT_HOST = 0,
762 WAIT_TARGET,
763 WAIT_LUN,
764};
765
f4f051eb 766static int
e315cd28 767qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
17d98630 768 unsigned int l, srb_t *sp, enum nexus_wait_type type)
f4f051eb 769{
17d98630 770 int cnt, match, status;
18e144d3 771 unsigned long flags;
e315cd28 772 struct qla_hw_data *ha = vha->hw;
73208dfd 773 struct req_que *req;
1da177e4 774
523ec773 775 status = QLA_SUCCESS;
17d98630
AC		 776 if (!sp)
777 return status;
778
e315cd28 779 spin_lock_irqsave(&ha->hardware_lock, flags);
17d98630
AC		 780 req = sp->que;
781 for (cnt = 1; status == QLA_SUCCESS &&
782 cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
783 sp = req->outstanding_cmds[cnt];
784 if (!sp)
523ec773 785 continue;
19851f13 786
17d98630
AC		 787 if (vha->vp_idx != sp->fcport->vha->vp_idx)
788 continue;
789 match = 0;
790 switch (type) {
791 case WAIT_HOST:
792 match = 1;
793 break;
794 case WAIT_TARGET:
795 match = sp->cmd->device->id == t;
796 break;
797 case WAIT_LUN:
798 match = (sp->cmd->device->id == t &&
799 sp->cmd->device->lun == l);
800 break;
73208dfd 801 }
17d98630
AC		 802 if (!match)
803 continue;
804
805 spin_unlock_irqrestore(&ha->hardware_lock, flags);
806 status = qla2x00_eh_wait_on_command(sp->cmd);
807 spin_lock_irqsave(&ha->hardware_lock, flags);
1da177e4 808 }
e315cd28 809 spin_unlock_irqrestore(&ha->hardware_lock, flags);
523ec773
AV		 810
811 return status;
1da177e4
LT		 812}
813
523ec773
AV		 814static char *reset_errors[] = {
815 "HBA not online",
816 "HBA not ready",
817 "Task management failed",
818 "Waiting for command completions",
819};
1da177e4 820
e5f82ab8 821static int
523ec773
AV		 822__qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
823 struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int))
1da177e4 824{
e315cd28 825 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
bdf79621 826 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
523ec773 827 int err;
1da177e4 828
07db5183
AV		 829 qla2x00_block_error_handler(cmd);
830
b0328bee 831 if (!fcport)
523ec773 832 return FAILED;
1da177e4 833
e315cd28
AC		 834 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET ISSUED.\n",
835 vha->host_no, cmd->device->id, cmd->device->lun, name);
1da177e4 836
523ec773 837 err = 0;
e315cd28 838 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
523ec773
AV		 839 goto eh_reset_failed;
840 err = 1;
e315cd28 841 if (qla2x00_wait_for_loop_ready(vha) != QLA_SUCCESS)
523ec773
AV		 842 goto eh_reset_failed;
843 err = 2;
844 if (do_reset(fcport, cmd->device->lun) != QLA_SUCCESS)
845 goto eh_reset_failed;
846 err = 3;
e315cd28 847 if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
17d98630 848 cmd->device->lun, (srb_t *) CMD_SP(cmd), type) != QLA_SUCCESS)
523ec773
AV		 849 goto eh_reset_failed;
850
e315cd28
AC		 851 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n",
852 vha->host_no, cmd->device->id, cmd->device->lun, name);
523ec773
AV		 853
854 return SUCCESS;
855
856 eh_reset_failed:
e315cd28
AC		 857 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n"
858 , vha->host_no, cmd->device->id, cmd->device->lun, name,
523ec773
AV		 859 reset_errors[err]);
860 return FAILED;
861}
1da177e4 862
523ec773
AV		 863static int
864qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
865{
e315cd28
AC		 866 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
867 struct qla_hw_data *ha = vha->hw;
1da177e4 868
523ec773
AV		 869 return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
870 ha->isp_ops->lun_reset);
1da177e4
LT		 871}
872
1da177e4 873static int
523ec773 874qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1da177e4 875{
e315cd28
AC		 876 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
877 struct qla_hw_data *ha = vha->hw;
1da177e4 878
523ec773
AV		 879 return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
880 ha->isp_ops->target_reset);
1da177e4
LT		 881}
882
1da177e4
LT		 883/**************************************************************************
884* qla2xxx_eh_bus_reset
885*
886* Description:
887* The bus reset function will reset the bus and abort any executing
888* commands.
889*
890* Input:
891* cmd = Linux SCSI command packet of the command that cause the
892* bus reset.
893*
894* Returns:
895* SUCCESS/FAILURE (defined as macro in scsi.h).
896*
897**************************************************************************/
e5f82ab8 898static int
1da177e4
LT		 899qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
900{
e315cd28 901 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
bdf79621 902 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
2c3dfe3f 903 int ret = FAILED;
f4f051eb
AV		 904 unsigned int id, lun;
905 unsigned long serial;
17d98630 906 srb_t *sp = (srb_t *) CMD_SP(cmd);
f4f051eb 907
07db5183
AV		 908 qla2x00_block_error_handler(cmd);
909
f4f051eb
AV		 910 id = cmd->device->id;
911 lun = cmd->device->lun;
912 serial = cmd->serial_number;
1da177e4 913
b0328bee 914 if (!fcport)
f4f051eb 915 return ret;
1da177e4 916
e315cd28 917 qla_printk(KERN_INFO, vha->hw,
749af3d5 918 "scsi(%ld:%d:%d): BUS RESET ISSUED.\n", vha->host_no, id, lun);
1da177e4 919
e315cd28 920 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1da177e4 921 DEBUG2(printk("%s failed:board disabled\n",__func__));
f4f051eb 922 goto eh_bus_reset_done;
1da177e4
LT		 923 }
924
e315cd28
AC		 925 if (qla2x00_wait_for_loop_ready(vha) == QLA_SUCCESS) {
926 if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
f4f051eb 927 ret = SUCCESS;
1da177e4 928 }
f4f051eb
AV		 929 if (ret == FAILED)
930 goto eh_bus_reset_done;
1da177e4 931
9a41a62b 932 /* Flush outstanding commands. */
17d98630 933 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) !=
523ec773 934 QLA_SUCCESS)
9a41a62b 935 ret = FAILED;
1da177e4 936
f4f051eb 937eh_bus_reset_done:
e315cd28 938 qla_printk(KERN_INFO, vha->hw, "%s: reset %s\n", __func__,
f4f051eb 939 (ret == FAILED) ? "failed" : "succeded");
1da177e4 940
f4f051eb 941 return ret;
1da177e4
LT		 942}
943
944/**************************************************************************
945* qla2xxx_eh_host_reset
946*
947* Description:
948* The reset function will reset the Adapter.
949*
950* Input:
951* cmd = Linux SCSI command packet of the command that cause the
952* adapter reset.
953*
954* Returns:
955* Either SUCCESS or FAILED.
956*
957* Note:
958**************************************************************************/
e5f82ab8 959static int
1da177e4
LT		 960qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
961{
e315cd28 962 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
bdf79621 963 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
e315cd28 964 struct qla_hw_data *ha = vha->hw;
2c3dfe3f 965 int ret = FAILED;
f4f051eb
AV		 966 unsigned int id, lun;
967 unsigned long serial;
17d98630 968 srb_t *sp = (srb_t *) CMD_SP(cmd);
e315cd28 969 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1da177e4 970
07db5183
AV		 971 qla2x00_block_error_handler(cmd);
972
f4f051eb
AV		 973 id = cmd->device->id;
974 lun = cmd->device->lun;
975 serial = cmd->serial_number;
976
b0328bee 977 if (!fcport)
f4f051eb 978 return ret;
1da177e4 979
1da177e4 980 qla_printk(KERN_INFO, ha,
e315cd28 981 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", vha->host_no, id, lun);
1da177e4 982
e315cd28 983 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
f4f051eb 984 goto eh_host_reset_lock;
1da177e4
LT		 985
986 /*
987 * Fixme-may be dpc thread is active and processing
fa2a1ce5 988 * loop_resync,so wait a while for it to
1da177e4
LT		 989 * be completed and then issue big hammer.Otherwise
990 * it may cause I/O failure as big hammer marks the
991 * devices as lost kicking of the port_down_timer
992 * while dpc is stuck for the mailbox to complete.
993 */
e315cd28
AC		 994 qla2x00_wait_for_loop_ready(vha);
995 if (vha != base_vha) {
996 if (qla2x00_vp_abort_isp(vha))
f4f051eb 997 goto eh_host_reset_lock;
e315cd28
AC		 998 } else {
999 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1000 if (qla2x00_abort_isp(base_vha)) {
1001 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1002 /* failed. schedule dpc to try */
1003 set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1004
1005 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
1006 goto eh_host_reset_lock;
1007 }
1008 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
fa2a1ce5 1009 }
1da177e4 1010
e315cd28 1011 /* Waiting for command to be returned to OS.*/
17d98630 1012 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) ==
e315cd28 1013 QLA_SUCCESS)
f4f051eb 1014 ret = SUCCESS;
1da177e4 1015
f4f051eb 1016eh_host_reset_lock:
f4f051eb
AV		 1017 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1018 (ret == FAILED) ? "failed" : "succeded");
1da177e4 1019
f4f051eb
AV		 1020 return ret;
1021}
1da177e4
LT		 1022
1023/*
1024* qla2x00_loop_reset
1025* Issue loop reset.
1026*
1027* Input:
1028* ha = adapter block pointer.
1029*
1030* Returns:
1031* 0 = success
1032*/
a4722cf2 1033int
e315cd28 1034qla2x00_loop_reset(scsi_qla_host_t *vha)
1da177e4 1035{
0c8c39af 1036 int ret;
bdf79621 1037 struct fc_port *fcport;
e315cd28 1038 struct qla_hw_data *ha = vha->hw;
1da177e4 1039
d53b48d5
SJ		 1040 if (ha->flags.enable_lip_full_login && !vha->vp_idx &&
1041 !IS_QLA81XX(ha)) {
e315cd28 1042 ret = qla2x00_full_login_lip(vha);
0c8c39af 1043 if (ret != QLA_SUCCESS) {
749af3d5 1044 DEBUG2_3(printk("%s(%ld): failed: "
e315cd28 1045 "full_login_lip=%d.\n", __func__, vha->host_no,
0c8c39af 1046 ret));
749af3d5
AC		 1047 }
1048 atomic_set(&vha->loop_state, LOOP_DOWN);
1049 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1050 qla2x00_mark_all_devices_lost(vha, 0);
1051 qla2x00_wait_for_loop_ready(vha);
0c8c39af
AV		 1052 }
1053
749af3d5 1054 if (ha->flags.enable_lip_reset && !vha->vp_idx) {
e315cd28 1055 ret = qla2x00_lip_reset(vha);
0c8c39af 1056 if (ret != QLA_SUCCESS) {
749af3d5 1057 DEBUG2_3(printk("%s(%ld): failed: "
e315cd28
AC		 1058 "lip_reset=%d.\n", __func__, vha->host_no, ret));
1059 } else
1060 qla2x00_wait_for_loop_ready(vha);
1da177e4
LT		 1061 }
1062
0c8c39af 1063 if (ha->flags.enable_target_reset) {
e315cd28 1064 list_for_each_entry(fcport, &vha->vp_fcports, list) {
bdf79621 1065 if (fcport->port_type != FCT_TARGET)
1da177e4
LT		 1066 continue;
1067
523ec773 1068 ret = ha->isp_ops->target_reset(fcport, 0);
0c8c39af
AV		 1069 if (ret != QLA_SUCCESS) {
1070 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1071 "target_reset=%d d_id=%x.\n", __func__,
e315cd28 1072 vha->host_no, ret, fcport->d_id.b24));
0c8c39af 1073 }
1da177e4
LT		 1074 }
1075 }
1da177e4 1076 /* Issue marker command only when we are going to start the I/O */
e315cd28 1077 vha->marker_needed = 1;
1da177e4 1078
0c8c39af 1079 return QLA_SUCCESS;
1da177e4
LT		 1080}
1081
df4bf0bb 1082void
e315cd28 1083qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
df4bf0bb 1084{
73208dfd 1085 int que, cnt;
df4bf0bb
AV		 1086 unsigned long flags;
1087 srb_t *sp;
e315cd28 1088 struct qla_hw_data *ha = vha->hw;
73208dfd 1089 struct req_que *req;
df4bf0bb
AV		 1090
1091 spin_lock_irqsave(&ha->hardware_lock, flags);
29bdccbe
AC		 1092 for (que = 0; que < ha->max_queues; que++) {
1093 req = ha->req_q_map[que];
73208dfd
AC		 1094 if (!req)
1095 continue;
1096 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1097 sp = req->outstanding_cmds[cnt];
e612d465 1098 if (sp) {
73208dfd
AC		 1099 req->outstanding_cmds[cnt] = NULL;
1100 sp->cmd->result = res;
1101 qla2x00_sp_compl(ha, sp);
1102 }
df4bf0bb
AV		 1103 }
1104 }
1105 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1106}
1107
f4f051eb
AV		 1108static int
1109qla2xxx_slave_alloc(struct scsi_device *sdev)
1da177e4 1110{
bdf79621 1111 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1da177e4 1112
19a7b4ae 1113 if (!rport || fc_remote_port_chkready(rport))
f4f051eb 1114 return -ENXIO;
bdf79621 1115
19a7b4ae 1116 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1da177e4 1117
f4f051eb
AV		 1118 return 0;
1119}
1da177e4 1120
f4f051eb
AV		 1121static int
1122qla2xxx_slave_configure(struct scsi_device *sdev)
1123{
e315cd28
AC		 1124 scsi_qla_host_t *vha = shost_priv(sdev->host);
1125 struct qla_hw_data *ha = vha->hw;
8482e118 1126 struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
29bdccbe 1127 struct req_que *req = ha->req_q_map[vha->req_ques[0]];
8482e118 1128
f4f051eb 1129 if (sdev->tagged_supported)
73208dfd 1130 scsi_activate_tcq(sdev, req->max_q_depth);
f4f051eb 1131 else
73208dfd 1132 scsi_deactivate_tcq(sdev, req->max_q_depth);
1da177e4 1133
85821c90 1134 rport->dev_loss_tmo = ha->port_down_retry_count;
8482e118 1135
f4f051eb
AV		 1136 return 0;
1137}
1da177e4 1138
f4f051eb
AV		 1139static void
1140qla2xxx_slave_destroy(struct scsi_device *sdev)
1141{
1142 sdev->hostdata = NULL;
1da177e4
LT		 1143}
1144
ce7e4af7
AV		 1145static int
1146qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
1147{
1148 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1149 return sdev->queue_depth;
1150}
1151
1152static int
1153qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1154{
1155 if (sdev->tagged_supported) {
1156 scsi_set_tag_type(sdev, tag_type);
1157 if (tag_type)
1158 scsi_activate_tcq(sdev, sdev->queue_depth);
1159 else
1160 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1161 } else
1162 tag_type = 0;
1163
1164 return tag_type;
1165}
1166
1da177e4
LT		 1167/**
1168 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1169 * @ha: HA context
1170 *
1171 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1172 * supported addressing method.
1173 */
1174static void
53303c42 1175qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1da177e4 1176{
7524f9b9 1177 /* Assume a 32bit DMA mask. */
1da177e4 1178 ha->flags.enable_64bit_addressing = 0;
1da177e4 1179
6a35528a 1180 if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
7524f9b9
AV		 1181 /* Any upper-dword bits set? */
1182 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
6a35528a 1183 !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
7524f9b9 1184 /* Ok, a 64bit DMA mask is applicable. */
1da177e4 1185 ha->flags.enable_64bit_addressing = 1;
fd34f556
AV		 1186 ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1187 ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
7524f9b9 1188 return;
1da177e4 1189 }
1da177e4 1190 }
7524f9b9 1191
284901a9
YH		 1192 dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1193 pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1da177e4
LT		 1194}
1195
fd34f556 1196static void
e315cd28 1197qla2x00_enable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1198{
1199 unsigned long flags = 0;
1200 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1201
1202 spin_lock_irqsave(&ha->hardware_lock, flags);
1203 ha->interrupts_on = 1;
1204 /* enable risc and host interrupts */
1205 WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1206 RD_REG_WORD(&reg->ictrl);
1207 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1208
1209}
1210
1211static void
e315cd28 1212qla2x00_disable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1213{
1214 unsigned long flags = 0;
1215 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1216
1217 spin_lock_irqsave(&ha->hardware_lock, flags);
1218 ha->interrupts_on = 0;
1219 /* disable risc and host interrupts */
1220 WRT_REG_WORD(&reg->ictrl, 0);
1221 RD_REG_WORD(&reg->ictrl);
1222 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1223}
1224
1225static void
e315cd28 1226qla24xx_enable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1227{
1228 unsigned long flags = 0;
1229 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1230
1231 spin_lock_irqsave(&ha->hardware_lock, flags);
1232 ha->interrupts_on = 1;
1233 WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1234 RD_REG_DWORD(&reg->ictrl);
1235 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1236}
1237
1238static void
e315cd28 1239qla24xx_disable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1240{
1241 unsigned long flags = 0;
1242 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1243
124f85e6
AV		 1244 if (IS_NOPOLLING_TYPE(ha))
1245 return;
fd34f556
AV		 1246 spin_lock_irqsave(&ha->hardware_lock, flags);
1247 ha->interrupts_on = 0;
1248 WRT_REG_DWORD(&reg->ictrl, 0);
1249 RD_REG_DWORD(&reg->ictrl);
1250 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1251}
1252
1253static struct isp_operations qla2100_isp_ops = {
1254 .pci_config = qla2100_pci_config,
1255 .reset_chip = qla2x00_reset_chip,
1256 .chip_diag = qla2x00_chip_diag,
1257 .config_rings = qla2x00_config_rings,
1258 .reset_adapter = qla2x00_reset_adapter,
1259 .nvram_config = qla2x00_nvram_config,
1260 .update_fw_options = qla2x00_update_fw_options,
1261 .load_risc = qla2x00_load_risc,
1262 .pci_info_str = qla2x00_pci_info_str,
1263 .fw_version_str = qla2x00_fw_version_str,
1264 .intr_handler = qla2100_intr_handler,
1265 .enable_intrs = qla2x00_enable_intrs,
1266 .disable_intrs = qla2x00_disable_intrs,
1267 .abort_command = qla2x00_abort_command,
523ec773
AV		 1268 .target_reset = qla2x00_abort_target,
1269 .lun_reset = qla2x00_lun_reset,
fd34f556
AV		 1270 .fabric_login = qla2x00_login_fabric,
1271 .fabric_logout = qla2x00_fabric_logout,
1272 .calc_req_entries = qla2x00_calc_iocbs_32,
1273 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1274 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1275 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1276 .read_nvram = qla2x00_read_nvram_data,
1277 .write_nvram = qla2x00_write_nvram_data,
1278 .fw_dump = qla2100_fw_dump,
1279 .beacon_on = NULL,
1280 .beacon_off = NULL,
1281 .beacon_blink = NULL,
1282 .read_optrom = qla2x00_read_optrom_data,
1283 .write_optrom = qla2x00_write_optrom_data,
1284 .get_flash_version = qla2x00_get_flash_version,
e315cd28 1285 .start_scsi = qla2x00_start_scsi,
fd34f556
AV		 1286};
1287
1288static struct isp_operations qla2300_isp_ops = {
1289 .pci_config = qla2300_pci_config,
1290 .reset_chip = qla2x00_reset_chip,
1291 .chip_diag = qla2x00_chip_diag,
1292 .config_rings = qla2x00_config_rings,
1293 .reset_adapter = qla2x00_reset_adapter,
1294 .nvram_config = qla2x00_nvram_config,
1295 .update_fw_options = qla2x00_update_fw_options,
1296 .load_risc = qla2x00_load_risc,
1297 .pci_info_str = qla2x00_pci_info_str,
1298 .fw_version_str = qla2x00_fw_version_str,
1299 .intr_handler = qla2300_intr_handler,
1300 .enable_intrs = qla2x00_enable_intrs,
1301 .disable_intrs = qla2x00_disable_intrs,
1302 .abort_command = qla2x00_abort_command,
523ec773
AV		 1303 .target_reset = qla2x00_abort_target,
1304 .lun_reset = qla2x00_lun_reset,
fd34f556
AV		 1305 .fabric_login = qla2x00_login_fabric,
1306 .fabric_logout = qla2x00_fabric_logout,
1307 .calc_req_entries = qla2x00_calc_iocbs_32,
1308 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1309 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1310 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1311 .read_nvram = qla2x00_read_nvram_data,
1312 .write_nvram = qla2x00_write_nvram_data,
1313 .fw_dump = qla2300_fw_dump,
1314 .beacon_on = qla2x00_beacon_on,
1315 .beacon_off = qla2x00_beacon_off,
1316 .beacon_blink = qla2x00_beacon_blink,
1317 .read_optrom = qla2x00_read_optrom_data,
1318 .write_optrom = qla2x00_write_optrom_data,
1319 .get_flash_version = qla2x00_get_flash_version,
e315cd28 1320 .start_scsi = qla2x00_start_scsi,
fd34f556
AV		 1321};
1322
1323static struct isp_operations qla24xx_isp_ops = {
1324 .pci_config = qla24xx_pci_config,
1325 .reset_chip = qla24xx_reset_chip,
1326 .chip_diag = qla24xx_chip_diag,
1327 .config_rings = qla24xx_config_rings,
1328 .reset_adapter = qla24xx_reset_adapter,
1329 .nvram_config = qla24xx_nvram_config,
1330 .update_fw_options = qla24xx_update_fw_options,
1331 .load_risc = qla24xx_load_risc,
1332 .pci_info_str = qla24xx_pci_info_str,
1333 .fw_version_str = qla24xx_fw_version_str,
1334 .intr_handler = qla24xx_intr_handler,
1335 .enable_intrs = qla24xx_enable_intrs,
1336 .disable_intrs = qla24xx_disable_intrs,
1337 .abort_command = qla24xx_abort_command,
523ec773
AV		 1338 .target_reset = qla24xx_abort_target,
1339 .lun_reset = qla24xx_lun_reset,
fd34f556
AV		 1340 .fabric_login = qla24xx_login_fabric,
1341 .fabric_logout = qla24xx_fabric_logout,
1342 .calc_req_entries = NULL,
1343 .build_iocbs = NULL,
1344 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1345 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1346 .read_nvram = qla24xx_read_nvram_data,
1347 .write_nvram = qla24xx_write_nvram_data,
1348 .fw_dump = qla24xx_fw_dump,
1349 .beacon_on = qla24xx_beacon_on,
1350 .beacon_off = qla24xx_beacon_off,
1351 .beacon_blink = qla24xx_beacon_blink,
1352 .read_optrom = qla24xx_read_optrom_data,
1353 .write_optrom = qla24xx_write_optrom_data,
1354 .get_flash_version = qla24xx_get_flash_version,
e315cd28 1355 .start_scsi = qla24xx_start_scsi,
fd34f556
AV		 1356};
1357
c3a2f0df
AV		 1358static struct isp_operations qla25xx_isp_ops = {
1359 .pci_config = qla25xx_pci_config,
1360 .reset_chip = qla24xx_reset_chip,
1361 .chip_diag = qla24xx_chip_diag,
1362 .config_rings = qla24xx_config_rings,
1363 .reset_adapter = qla24xx_reset_adapter,
1364 .nvram_config = qla24xx_nvram_config,
1365 .update_fw_options = qla24xx_update_fw_options,
1366 .load_risc = qla24xx_load_risc,
1367 .pci_info_str = qla24xx_pci_info_str,
1368 .fw_version_str = qla24xx_fw_version_str,
1369 .intr_handler = qla24xx_intr_handler,
1370 .enable_intrs = qla24xx_enable_intrs,
1371 .disable_intrs = qla24xx_disable_intrs,
1372 .abort_command = qla24xx_abort_command,
523ec773
AV		 1373 .target_reset = qla24xx_abort_target,
1374 .lun_reset = qla24xx_lun_reset,
c3a2f0df
AV		 1375 .fabric_login = qla24xx_login_fabric,
1376 .fabric_logout = qla24xx_fabric_logout,
1377 .calc_req_entries = NULL,
1378 .build_iocbs = NULL,
1379 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1380 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1381 .read_nvram = qla25xx_read_nvram_data,
1382 .write_nvram = qla25xx_write_nvram_data,
1383 .fw_dump = qla25xx_fw_dump,
1384 .beacon_on = qla24xx_beacon_on,
1385 .beacon_off = qla24xx_beacon_off,
1386 .beacon_blink = qla24xx_beacon_blink,
338c9161 1387 .read_optrom = qla25xx_read_optrom_data,
c3a2f0df
AV		 1388 .write_optrom = qla24xx_write_optrom_data,
1389 .get_flash_version = qla24xx_get_flash_version,
e315cd28 1390 .start_scsi = qla24xx_start_scsi,
c3a2f0df
AV		 1391};
1392
3a03eb79
AV		 1393static struct isp_operations qla81xx_isp_ops = {
1394 .pci_config = qla25xx_pci_config,
1395 .reset_chip = qla24xx_reset_chip,
1396 .chip_diag = qla24xx_chip_diag,
1397 .config_rings = qla24xx_config_rings,
1398 .reset_adapter = qla24xx_reset_adapter,
1399 .nvram_config = qla81xx_nvram_config,
1400 .update_fw_options = qla81xx_update_fw_options,
eaac30be 1401 .load_risc = qla81xx_load_risc,
3a03eb79
AV		 1402 .pci_info_str = qla24xx_pci_info_str,
1403 .fw_version_str = qla24xx_fw_version_str,
1404 .intr_handler = qla24xx_intr_handler,
1405 .enable_intrs = qla24xx_enable_intrs,
1406 .disable_intrs = qla24xx_disable_intrs,
1407 .abort_command = qla24xx_abort_command,
1408 .target_reset = qla24xx_abort_target,
1409 .lun_reset = qla24xx_lun_reset,
1410 .fabric_login = qla24xx_login_fabric,
1411 .fabric_logout = qla24xx_fabric_logout,
1412 .calc_req_entries = NULL,
1413 .build_iocbs = NULL,
1414 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1415 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
3d79038f
AV		 1416 .read_nvram = NULL,
1417 .write_nvram = NULL,
3a03eb79
AV		 1418 .fw_dump = qla81xx_fw_dump,
1419 .beacon_on = qla24xx_beacon_on,
1420 .beacon_off = qla24xx_beacon_off,
1421 .beacon_blink = qla24xx_beacon_blink,
1422 .read_optrom = qla25xx_read_optrom_data,
1423 .write_optrom = qla24xx_write_optrom_data,
1424 .get_flash_version = qla24xx_get_flash_version,
1425 .start_scsi = qla24xx_start_scsi,
3a03eb79
AV		 1426};
1427
ea5b6382 1428static inline void
e315cd28 1429qla2x00_set_isp_flags(struct qla_hw_data *ha)
ea5b6382
AV		 1430{
1431 ha->device_type = DT_EXTENDED_IDS;
1432 switch (ha->pdev->device) {
1433 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1434 ha->device_type |= DT_ISP2100;
1435 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1436 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382
AV		 1437 break;
1438 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1439 ha->device_type |= DT_ISP2200;
1440 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1441 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382
AV		 1442 break;
1443 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1444 ha->device_type |= DT_ISP2300;
4a59f71d 1445 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1446 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1447 break;
1448 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1449 ha->device_type |= DT_ISP2312;
4a59f71d 1450 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1451 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1452 break;
1453 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1454 ha->device_type |= DT_ISP2322;
4a59f71d 1455 ha->device_type |= DT_ZIO_SUPPORTED;
ea5b6382
AV		 1456 if (ha->pdev->subsystem_vendor == 0x1028 &&
1457 ha->pdev->subsystem_device == 0x0170)
1458 ha->device_type |= DT_OEM_001;
441d1072 1459 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1460 break;
1461 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1462 ha->device_type |= DT_ISP6312;
441d1072 1463 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1464 break;
1465 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1466 ha->device_type |= DT_ISP6322;
441d1072 1467 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1468 break;
1469 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1470 ha->device_type |= DT_ISP2422;
4a59f71d 1471 ha->device_type |= DT_ZIO_SUPPORTED;
e428924c 1472 ha->device_type |= DT_FWI2;
c76f2c01 1473 ha->device_type |= DT_IIDMA;
441d1072 1474 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382
AV		 1475 break;
1476 case PCI_DEVICE_ID_QLOGIC_ISP2432:
1477 ha->device_type |= DT_ISP2432;
4a59f71d 1478 ha->device_type |= DT_ZIO_SUPPORTED;
e428924c 1479 ha->device_type |= DT_FWI2;
c76f2c01 1480 ha->device_type |= DT_IIDMA;
441d1072 1481 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1482 break;
4d4df193
HK		 1483 case PCI_DEVICE_ID_QLOGIC_ISP8432:
1484 ha->device_type |= DT_ISP8432;
1485 ha->device_type |= DT_ZIO_SUPPORTED;
1486 ha->device_type |= DT_FWI2;
1487 ha->device_type |= DT_IIDMA;
1488 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1489 break;
044cc6c8
AV		 1490 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1491 ha->device_type |= DT_ISP5422;
e428924c 1492 ha->device_type |= DT_FWI2;
441d1072 1493 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1494 break;
044cc6c8
AV		 1495 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1496 ha->device_type |= DT_ISP5432;
e428924c 1497 ha->device_type |= DT_FWI2;
441d1072 1498 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1499 break;
c3a2f0df
AV		 1500 case PCI_DEVICE_ID_QLOGIC_ISP2532:
1501 ha->device_type |= DT_ISP2532;
1502 ha->device_type |= DT_ZIO_SUPPORTED;
1503 ha->device_type |= DT_FWI2;
1504 ha->device_type |= DT_IIDMA;
441d1072 1505 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1506 break;
3a03eb79
AV		 1507 case PCI_DEVICE_ID_QLOGIC_ISP8001:
1508 ha->device_type |= DT_ISP8001;
1509 ha->device_type |= DT_ZIO_SUPPORTED;
1510 ha->device_type |= DT_FWI2;
1511 ha->device_type |= DT_IIDMA;
1512 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1513 break;
ea5b6382
AV		 1514 }
1515}
1516
1da177e4 1517static int
e315cd28 1518qla2x00_iospace_config(struct qla_hw_data *ha)
1da177e4 1519{
3776541d 1520 resource_size_t pio;
73208dfd 1521 uint16_t msix;
1da177e4 1522
285d0321
AV		 1523 if (pci_request_selected_regions(ha->pdev, ha->bars,
1524 QLA2XXX_DRIVER_NAME)) {
1525 qla_printk(KERN_WARNING, ha,
1526 "Failed to reserve PIO/MMIO regions (%s)\n",
1527 pci_name(ha->pdev));
1528
1529 goto iospace_error_exit;
1530 }
1531 if (!(ha->bars & 1))
1532 goto skip_pio;
1533
1da177e4
LT		 1534 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1535 pio = pci_resource_start(ha->pdev, 0);
3776541d
AV		 1536 if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1537 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1da177e4
LT		 1538 qla_printk(KERN_WARNING, ha,
1539 "Invalid PCI I/O region size (%s)...\n",
1540 pci_name(ha->pdev));
1541 pio = 0;
1542 }
1543 } else {
1544 qla_printk(KERN_WARNING, ha,
1545 "region #0 not a PIO resource (%s)...\n",
1546 pci_name(ha->pdev));
1547 pio = 0;
1548 }
285d0321 1549 ha->pio_address = pio;
1da177e4 1550
285d0321 1551skip_pio:
1da177e4 1552 /* Use MMIO operations for all accesses. */
3776541d 1553 if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1da177e4 1554 qla_printk(KERN_ERR, ha,
3776541d 1555 "region #1 not an MMIO resource (%s), aborting\n",
1da177e4
LT		 1556 pci_name(ha->pdev));
1557 goto iospace_error_exit;
1558 }
3776541d 1559 if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1da177e4
LT		 1560 qla_printk(KERN_ERR, ha,
1561 "Invalid PCI mem region size (%s), aborting\n",
1562 pci_name(ha->pdev));
1563 goto iospace_error_exit;
1564 }
1565
3776541d 1566 ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1da177e4
LT		 1567 if (!ha->iobase) {
1568 qla_printk(KERN_ERR, ha,
1569 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1570
1571 goto iospace_error_exit;
1572 }
1573
73208dfd
AC		 1574 /* Determine queue resources */
1575 ha->max_queues = 1;
3a03eb79 1576 if (ql2xmaxqueues <= 1 || (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
17d98630
AC		 1577 goto mqiobase_exit;
1578 ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1579 pci_resource_len(ha->pdev, 3));
1580 if (ha->mqiobase) {
1581 /* Read MSIX vector size of the board */
1582 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1583 ha->msix_count = msix;
1584 /* Max queues are bounded by available msix vectors */
1585 /* queue 0 uses two msix vectors */
1586 if (ha->msix_count - 1 < ql2xmaxqueues)
1587 ha->max_queues = ha->msix_count - 1;
1588 else if (ql2xmaxqueues > QLA_MQ_SIZE)
1589 ha->max_queues = QLA_MQ_SIZE;
1590 else
1591 ha->max_queues = ql2xmaxqueues;
1592 qla_printk(KERN_INFO, ha,
1593 "MSI-X vector count: %d\n", msix);
73208dfd 1594 }
17d98630
AC		 1595
1596mqiobase_exit:
73208dfd 1597 ha->msix_count = ha->max_queues + 1;
1da177e4
LT		 1598 return (0);
1599
1600iospace_error_exit:
1601 return (-ENOMEM);
1602}
1603
1e99e33a
AV		 1604static void
1605qla2xxx_scan_start(struct Scsi_Host *shost)
1606{
e315cd28 1607 scsi_qla_host_t *vha = shost_priv(shost);
1e99e33a 1608
e315cd28
AC		 1609 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1610 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1611 set_bit(RSCN_UPDATE, &vha->dpc_flags);
1612 set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
1e99e33a
AV		 1613}
1614
1615static int
1616qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1617{
e315cd28 1618 scsi_qla_host_t *vha = shost_priv(shost);
1e99e33a 1619
e315cd28 1620 if (!vha->host)
1e99e33a 1621 return 1;
e315cd28 1622 if (time > vha->hw->loop_reset_delay * HZ)
1e99e33a
AV		 1623 return 1;
1624
e315cd28 1625 return atomic_read(&vha->loop_state) == LOOP_READY;
1e99e33a
AV		 1626}
1627
1da177e4
LT		 1628/*
1629 * PCI driver interface
1630 */
7ee61397
AV		 1631static int __devinit
1632qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1da177e4 1633{
a1541d5a 1634 int ret = -ENODEV;
1da177e4 1635 struct Scsi_Host *host;
e315cd28
AC		 1636 scsi_qla_host_t *base_vha = NULL;
1637 struct qla_hw_data *ha;
29856e28 1638 char pci_info[30];
1da177e4 1639 char fw_str[30];
5433383e 1640 struct scsi_host_template *sht;
c51da4ec 1641 int bars, max_id, mem_only = 0;
e315cd28 1642 uint16_t req_length = 0, rsp_length = 0;
73208dfd
AC		 1643 struct req_que *req = NULL;
1644 struct rsp_que *rsp = NULL;
1da177e4 1645
285d0321 1646 bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
a5326f86 1647 sht = &qla2xxx_driver_template;
5433383e 1648 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
8bc69e7d 1649 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
4d4df193 1650 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
8bc69e7d 1651 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
c3a2f0df 1652 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
3a03eb79
AV		 1653 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
1654 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001) {
285d0321 1655 bars = pci_select_bars(pdev, IORESOURCE_MEM);
09483916 1656 mem_only = 1;
285d0321
AV		 1657 }
1658
09483916
BH		 1659 if (mem_only) {
1660 if (pci_enable_device_mem(pdev))
1661 goto probe_out;
1662 } else {
1663 if (pci_enable_device(pdev))
1664 goto probe_out;
1665 }
285d0321 1666
0927678f
JB		 1667 /* This may fail but that's ok */
1668 pci_enable_pcie_error_reporting(pdev);
285d0321 1669
e315cd28
AC		 1670 ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
1671 if (!ha) {
1672 DEBUG(printk("Unable to allocate memory for ha\n"));
1673 goto probe_out;
1da177e4 1674 }
e315cd28 1675 ha->pdev = pdev;
1da177e4
LT		 1676
1677 /* Clear our data area */
285d0321 1678 ha->bars = bars;
09483916 1679 ha->mem_only = mem_only;
df4bf0bb 1680 spin_lock_init(&ha->hardware_lock);
1da177e4 1681
ea5b6382
AV		 1682 /* Set ISP-type information. */
1683 qla2x00_set_isp_flags(ha);
1da177e4
LT		 1684 /* Configure PCI I/O space */
1685 ret = qla2x00_iospace_config(ha);
a1541d5a 1686 if (ret)
e315cd28 1687 goto probe_hw_failed;
1da177e4 1688
1da177e4 1689 qla_printk(KERN_INFO, ha,
5433383e
AV		 1690 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1691 ha->iobase);
1da177e4 1692
1da177e4 1693 ha->prev_topology = 0;
fca29703 1694 ha->init_cb_size = sizeof(init_cb_t);
d8b45213 1695 ha->link_data_rate = PORT_SPEED_UNKNOWN;
854165f4 1696 ha->optrom_size = OPTROM_SIZE_2300;
1da177e4 1697
abbd8870 1698 /* Assign ISP specific operations. */
e315cd28 1699 max_id = MAX_TARGETS_2200;
1da177e4 1700 if (IS_QLA2100(ha)) {
e315cd28 1701 max_id = MAX_TARGETS_2100;
1da177e4 1702 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
e315cd28
AC		 1703 req_length = REQUEST_ENTRY_CNT_2100;
1704 rsp_length = RESPONSE_ENTRY_CNT_2100;
1705 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
abbd8870 1706 ha->gid_list_info_size = 4;
3a03eb79
AV		 1707 ha->flash_conf_off = ~0;
1708 ha->flash_data_off = ~0;
1709 ha->nvram_conf_off = ~0;
1710 ha->nvram_data_off = ~0;
fd34f556 1711 ha->isp_ops = &qla2100_isp_ops;
1da177e4 1712 } else if (IS_QLA2200(ha)) {
1da177e4 1713 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1714 req_length = REQUEST_ENTRY_CNT_2200;
1715 rsp_length = RESPONSE_ENTRY_CNT_2100;
1716 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
abbd8870 1717 ha->gid_list_info_size = 4;
3a03eb79
AV		 1718 ha->flash_conf_off = ~0;
1719 ha->flash_data_off = ~0;
1720 ha->nvram_conf_off = ~0;
1721 ha->nvram_data_off = ~0;
fd34f556 1722 ha->isp_ops = &qla2100_isp_ops;
fca29703 1723 } else if (IS_QLA23XX(ha)) {
1da177e4 1724 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1725 req_length = REQUEST_ENTRY_CNT_2200;
1726 rsp_length = RESPONSE_ENTRY_CNT_2300;
1727 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
abbd8870 1728 ha->gid_list_info_size = 6;
854165f4
AV		 1729 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1730 ha->optrom_size = OPTROM_SIZE_2322;
3a03eb79
AV		 1731 ha->flash_conf_off = ~0;
1732 ha->flash_data_off = ~0;
1733 ha->nvram_conf_off = ~0;
1734 ha->nvram_data_off = ~0;
fd34f556 1735 ha->isp_ops = &qla2300_isp_ops;
4d4df193 1736 } else if (IS_QLA24XX_TYPE(ha)) {
fca29703 1737 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1738 req_length = REQUEST_ENTRY_CNT_24XX;
1739 rsp_length = RESPONSE_ENTRY_CNT_2300;
1740 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2c3dfe3f 1741 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
fca29703 1742 ha->gid_list_info_size = 8;
854165f4 1743 ha->optrom_size = OPTROM_SIZE_24XX;
73208dfd 1744 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
fd34f556 1745 ha->isp_ops = &qla24xx_isp_ops;
3a03eb79
AV		 1746 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
1747 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
1748 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
1749 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
c3a2f0df 1750 } else if (IS_QLA25XX(ha)) {
c3a2f0df 1751 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1752 req_length = REQUEST_ENTRY_CNT_24XX;
1753 rsp_length = RESPONSE_ENTRY_CNT_2300;
1754 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
c3a2f0df 1755 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
c3a2f0df
AV		 1756 ha->gid_list_info_size = 8;
1757 ha->optrom_size = OPTROM_SIZE_25XX;
73208dfd 1758 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
c3a2f0df 1759 ha->isp_ops = &qla25xx_isp_ops;
3a03eb79
AV		 1760 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
1761 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
1762 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
1763 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
1764 } else if (IS_QLA81XX(ha)) {
1765 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1766 req_length = REQUEST_ENTRY_CNT_24XX;
1767 rsp_length = RESPONSE_ENTRY_CNT_2300;
1768 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1769 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
1770 ha->gid_list_info_size = 8;
1771 ha->optrom_size = OPTROM_SIZE_81XX;
1772 ha->isp_ops = &qla81xx_isp_ops;
1773 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
1774 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
1775 ha->nvram_conf_off = ~0;
1776 ha->nvram_data_off = ~0;
1da177e4 1777 }
1da177e4 1778
6c2f527c 1779 mutex_init(&ha->vport_lock);
0b05a1f0
MB		 1780 init_completion(&ha->mbx_cmd_comp);
1781 complete(&ha->mbx_cmd_comp);
1782 init_completion(&ha->mbx_intr_comp);
1da177e4 1783
2c3dfe3f 1784 set_bit(0, (unsigned long *) ha->vp_idx_map);
1da177e4 1785
53303c42 1786 qla2x00_config_dma_addressing(ha);
73208dfd 1787 ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
e315cd28 1788 if (!ret) {
1da177e4
LT		 1789 qla_printk(KERN_WARNING, ha,
1790 "[ERROR] Failed to allocate memory for adapter\n");
1791
e315cd28
AC		 1792 goto probe_hw_failed;
1793 }
1794
73208dfd 1795 req->max_q_depth = MAX_Q_DEPTH;
e315cd28 1796 if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
73208dfd
AC		 1797 req->max_q_depth = ql2xmaxqdepth;
1798
e315cd28
AC		 1799
1800 base_vha = qla2x00_create_host(sht, ha);
1801 if (!base_vha) {
1802 qla_printk(KERN_WARNING, ha,
1803 "[ERROR] Failed to allocate memory for scsi_host\n");
1804
a1541d5a 1805 ret = -ENOMEM;
6e9f21f3
AC		 1806 qla2x00_mem_free(ha);
1807 qla2x00_free_que(ha, req, rsp);
e315cd28 1808 goto probe_hw_failed;
1da177e4
LT		 1809 }
1810
e315cd28
AC		 1811 pci_set_drvdata(pdev, base_vha);
1812
e315cd28 1813 host = base_vha->host;
73208dfd
AC		 1814 base_vha->req_ques[0] = req->id;
1815 host->can_queue = req->length + 128;
1816 if (IS_QLA2XXX_MIDTYPE(ha))
e315cd28 1817 base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
73208dfd 1818 else
e315cd28
AC		 1819 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
1820 base_vha->vp_idx;
e315cd28
AC		 1821 if (IS_QLA2100(ha))
1822 host->sg_tablesize = 32;
1823 host->max_id = max_id;
1824 host->this_id = 255;
1825 host->cmd_per_lun = 3;
1826 host->unique_id = host->host_no;
1827 host->max_cmd_len = MAX_CMDSZ;
1828 host->max_channel = MAX_BUSES - 1;
1829 host->max_lun = MAX_LUNS;
1830 host->transportt = qla2xxx_transport_template;
1831
73208dfd
AC		 1832 /* Set up the irqs */
1833 ret = qla2x00_request_irqs(ha, rsp);
1834 if (ret)
6e9f21f3 1835 goto probe_init_failed;
73208dfd
AC		 1836 /* Alloc arrays of request and response ring ptrs */
1837 if (!qla2x00_alloc_queues(ha)) {
1838 qla_printk(KERN_WARNING, ha,
1839 "[ERROR] Failed to allocate memory for queue"
1840 " pointers\n");
6e9f21f3 1841 goto probe_init_failed;
73208dfd
AC		 1842 }
1843 ha->rsp_q_map[0] = rsp;
1844 ha->req_q_map[0] = req;
1845
08029990
AV		 1846 /* FWI2-capable only. */
1847 req->req_q_in = &ha->iobase->isp24.req_q_in;
1848 req->req_q_out = &ha->iobase->isp24.req_q_out;
1849 rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
1850 rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
17d98630 1851 if (ha->mqenable) {
08029990
AV		 1852 req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
1853 req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
1854 rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
1855 rsp->rsp_q_out = &ha->mqiobase->isp25mq.rsp_q_out;
17d98630
AC		 1856 }
1857
e315cd28 1858 if (qla2x00_initialize_adapter(base_vha)) {
1da177e4
LT		 1859 qla_printk(KERN_WARNING, ha,
1860 "Failed to initialize adapter\n");
1861
1862 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1863 "Adapter flags %x.\n",
e315cd28 1864 base_vha->host_no, base_vha->device_flags));
1da177e4 1865
a1541d5a 1866 ret = -ENODEV;
1da177e4
LT		 1867 goto probe_failed;
1868 }
1869
1870 /*
1871 * Startup the kernel thread for this host adapter
1872 */
39a11240 1873 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
e315cd28 1874 "%s_dpc", base_vha->host_str);
39a11240 1875 if (IS_ERR(ha->dpc_thread)) {
1da177e4
LT		 1876 qla_printk(KERN_WARNING, ha,
1877 "Unable to start DPC thread!\n");
39a11240 1878 ret = PTR_ERR(ha->dpc_thread);
1da177e4
LT		 1879 goto probe_failed;
1880 }
1da177e4 1881
e315cd28
AC		 1882 list_add_tail(&base_vha->list, &ha->vp_list);
1883 base_vha->host->irq = ha->pdev->irq;
1da177e4
LT		 1884
1885 /* Initialized the timer */
e315cd28 1886 qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
1da177e4
LT		 1887
1888 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
e315cd28 1889 base_vha->host_no, ha));
d19044c3 1890
e315cd28
AC		 1891 base_vha->flags.init_done = 1;
1892 base_vha->flags.online = 1;
d19044c3 1893
a1541d5a
AV		 1894 ret = scsi_add_host(host, &pdev->dev);
1895 if (ret)
1896 goto probe_failed;
1897
048feec5
AV		 1898 ha->isp_ops->enable_intrs(ha);
1899
1e99e33a
AV		 1900 scsi_scan_host(host);
1901
e315cd28 1902 qla2x00_alloc_sysfs_attr(base_vha);
a1541d5a 1903
e315cd28 1904 qla2x00_init_host_attr(base_vha);
a1541d5a 1905
e315cd28 1906 qla2x00_dfs_setup(base_vha);
df613b96 1907
1da177e4
LT		 1908 qla_printk(KERN_INFO, ha, "\n"
1909 " QLogic Fibre Channel HBA Driver: %s\n"
1910 " QLogic %s - %s\n"
5433383e
AV		 1911 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
1912 qla2x00_version_str, ha->model_number,
e315cd28
AC		 1913 ha->model_desc ? ha->model_desc : "", pdev->device,
1914 ha->isp_ops->pci_info_str(base_vha, pci_info), pci_name(pdev),
1915 ha->flags.enable_64bit_addressing ? '+' : '-', base_vha->host_no,
1916 ha->isp_ops->fw_version_str(base_vha, fw_str));
1da177e4 1917
1da177e4
LT		 1918 return 0;
1919
6e9f21f3
AC		 1920probe_init_failed:
1921 qla2x00_free_que(ha, req, rsp);
1922 ha->max_queues = 0;
1923
1da177e4 1924probe_failed:
b9978769
AV		 1925 if (base_vha->timer_active)
1926 qla2x00_stop_timer(base_vha);
1927 base_vha->flags.online = 0;
1928 if (ha->dpc_thread) {
1929 struct task_struct *t = ha->dpc_thread;
1930
1931 ha->dpc_thread = NULL;
1932 kthread_stop(t);
1933 }
1934
e315cd28 1935 qla2x00_free_device(base_vha);
1da177e4 1936
e315cd28 1937 scsi_host_put(base_vha->host);
1da177e4 1938
e315cd28
AC		 1939probe_hw_failed:
1940 if (ha->iobase)
1941 iounmap(ha->iobase);
1942
1943 pci_release_selected_regions(ha->pdev, ha->bars);
1944 kfree(ha);
1945 ha = NULL;
1da177e4 1946
a1541d5a 1947probe_out:
e315cd28 1948 pci_disable_device(pdev);
a1541d5a 1949 return ret;
1da177e4 1950}
1da177e4 1951
4c993f76 1952static void
7ee61397 1953qla2x00_remove_one(struct pci_dev *pdev)
1da177e4 1954{
e315cd28
AC		 1955 scsi_qla_host_t *base_vha, *vha, *temp;
1956 struct qla_hw_data *ha;
1957
1958 base_vha = pci_get_drvdata(pdev);
1959 ha = base_vha->hw;
1960
1961 list_for_each_entry_safe(vha, temp, &ha->vp_list, list) {
1962 if (vha && vha->fc_vport)
1963 fc_vport_terminate(vha->fc_vport);
1964 }
1da177e4 1965
e315cd28 1966 set_bit(UNLOADING, &base_vha->dpc_flags);
1da177e4 1967
b9978769
AV		 1968 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
1969
e315cd28 1970 qla2x00_dfs_remove(base_vha);
c795c1e4 1971
e315cd28 1972 qla84xx_put_chip(base_vha);
c795c1e4 1973
b9978769
AV		 1974 /* Disable timer */
1975 if (base_vha->timer_active)
1976 qla2x00_stop_timer(base_vha);
1977
1978 base_vha->flags.online = 0;
1979
1980 /* Kill the kernel thread for this host */
1981 if (ha->dpc_thread) {
1982 struct task_struct *t = ha->dpc_thread;
1983
1984 /*
1985 * qla2xxx_wake_dpc checks for ->dpc_thread
1986 * so we need to zero it out.
1987 */
1988 ha->dpc_thread = NULL;
1989 kthread_stop(t);
1990 }
1991
e315cd28 1992 qla2x00_free_sysfs_attr(base_vha);
df613b96 1993
e315cd28 1994 fc_remove_host(base_vha->host);
4d4df193 1995
e315cd28 1996 scsi_remove_host(base_vha->host);
1da177e4 1997
e315cd28 1998 qla2x00_free_device(base_vha);
bdf79621 1999
e315cd28 2000 scsi_host_put(base_vha->host);
1da177e4 2001
e315cd28
AC		 2002 if (ha->iobase)
2003 iounmap(ha->iobase);
1da177e4 2004
73208dfd
AC		 2005 if (ha->mqiobase)
2006 iounmap(ha->mqiobase);
2007
e315cd28
AC		 2008 pci_release_selected_regions(ha->pdev, ha->bars);
2009 kfree(ha);
2010 ha = NULL;
1da177e4 2011
665db93b 2012 pci_disable_device(pdev);
1da177e4
LT		 2013 pci_set_drvdata(pdev, NULL);
2014}
1da177e4
LT		 2015
2016static void
e315cd28 2017qla2x00_free_device(scsi_qla_host_t *vha)
1da177e4 2018{
e315cd28 2019 struct qla_hw_data *ha = vha->hw;
1da177e4 2020
df613b96 2021 if (ha->flags.fce_enabled)
e315cd28 2022 qla2x00_disable_fce_trace(vha, NULL, NULL);
df613b96 2023
a7a167bf 2024 if (ha->eft)
e315cd28 2025 qla2x00_disable_eft_trace(vha);
a7a167bf 2026
f6ef3b18 2027 /* Stop currently executing firmware. */
e315cd28 2028 qla2x00_try_to_stop_firmware(vha);
1da177e4 2029
f6ef3b18
AV		 2030 /* turn-off interrupts on the card */
2031 if (ha->interrupts_on)
fd34f556 2032 ha->isp_ops->disable_intrs(ha);
f6ef3b18 2033
e315cd28 2034 qla2x00_free_irqs(vha);
1da177e4 2035
e315cd28 2036 qla2x00_mem_free(ha);
73208dfd
AC		 2037
2038 qla2x00_free_queues(ha);
1da177e4
LT		 2039}
2040
d97994dc 2041static inline void
e315cd28 2042qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
d97994dc
AV		 2043 int defer)
2044{
d97994dc
AV		 2045 struct fc_rport *rport;
2046
2047 if (!fcport->rport)
2048 return;
2049
2050 rport = fcport->rport;
2051 if (defer) {
e315cd28 2052 spin_lock_irq(vha->host->host_lock);
d97994dc 2053 fcport->drport = rport;
e315cd28
AC		 2054 spin_unlock_irq(vha->host->host_lock);
2055 set_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags);
2056 qla2xxx_wake_dpc(vha);
5f3a9a20 2057 } else
d97994dc 2058 fc_remote_port_delete(rport);
d97994dc
AV		 2059}
2060
1da177e4
LT		 2061/*
2062 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
2063 *
2064 * Input: ha = adapter block pointer. fcport = port structure pointer.
2065 *
2066 * Return: None.
2067 *
2068 * Context:
2069 */
e315cd28 2070void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
d97994dc 2071 int do_login, int defer)
1da177e4 2072{
2c3dfe3f 2073 if (atomic_read(&fcport->state) == FCS_ONLINE &&
e315cd28
AC		 2074 vha->vp_idx == fcport->vp_idx) {
2075 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2076 qla2x00_schedule_rport_del(vha, fcport, defer);
2077 }
fa2a1ce5 2078 /*
1da177e4
LT		 2079 * We may need to retry the login, so don't change the state of the
2080 * port but do the retries.
2081 */
2082 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
2083 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2084
2085 if (!do_login)
2086 return;
2087
2088 if (fcport->login_retry == 0) {
e315cd28
AC		 2089 fcport->login_retry = vha->hw->login_retry_count;
2090 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1da177e4
LT		 2091
2092 DEBUG(printk("scsi(%ld): Port login retry: "
2093 "%02x%02x%02x%02x%02x%02x%02x%02x, "
2094 "id = 0x%04x retry cnt=%d\n",
e315cd28 2095 vha->host_no,
1da177e4
LT		 2096 fcport->port_name[0],
2097 fcport->port_name[1],
2098 fcport->port_name[2],
2099 fcport->port_name[3],
2100 fcport->port_name[4],
2101 fcport->port_name[5],
2102 fcport->port_name[6],
2103 fcport->port_name[7],
2104 fcport->loop_id,
2105 fcport->login_retry));
2106 }
2107}
2108
2109/*
2110 * qla2x00_mark_all_devices_lost
2111 * Updates fcport state when device goes offline.
2112 *
2113 * Input:
2114 * ha = adapter block pointer.
2115 * fcport = port structure pointer.
2116 *
2117 * Return:
2118 * None.
2119 *
2120 * Context:
2121 */
2122void
e315cd28 2123qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
1da177e4
LT		 2124{
2125 fc_port_t *fcport;
2126
e315cd28
AC		 2127 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2128 if (vha->vp_idx != fcport->vp_idx)
1da177e4 2129 continue;
1da177e4
LT		 2130 /*
2131 * No point in marking the device as lost, if the device is
2132 * already DEAD.
2133 */
2134 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
2135 continue;
e315cd28
AC		 2136 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2137 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2138 qla2x00_schedule_rport_del(vha, fcport, defer);
2139 } else
2140 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1da177e4
LT		 2141 }
2142}
2143
2144/*
2145* qla2x00_mem_alloc
2146* Allocates adapter memory.
2147*
2148* Returns:
2149* 0 = success.
e8711085 2150* !0 = failure.
1da177e4 2151*/
e8711085 2152static int
73208dfd
AC		 2153qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
2154 struct req_que **req, struct rsp_que **rsp)
1da177e4
LT		 2155{
2156 char name[16];
1da177e4 2157
e8711085 2158 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
e315cd28 2159 &ha->init_cb_dma, GFP_KERNEL);
e8711085 2160 if (!ha->init_cb)
e315cd28 2161 goto fail;
e8711085 2162
e315cd28
AC		 2163 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2164 &ha->gid_list_dma, GFP_KERNEL);
2165 if (!ha->gid_list)
e8711085 2166 goto fail_free_init_cb;
1da177e4 2167
e8711085
AV		 2168 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2169 if (!ha->srb_mempool)
e315cd28 2170 goto fail_free_gid_list;
e8711085
AV		 2171
2172 /* Get memory for cached NVRAM */
2173 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2174 if (!ha->nvram)
2175 goto fail_free_srb_mempool;
2176
e315cd28
AC		 2177 snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
2178 ha->pdev->device);
2179 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2180 DMA_POOL_SIZE, 8, 0);
2181 if (!ha->s_dma_pool)
2182 goto fail_free_nvram;
2183
e8711085
AV		 2184 /* Allocate memory for SNS commands */
2185 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
e315cd28 2186 /* Get consistent memory allocated for SNS commands */
e8711085 2187 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
e315cd28 2188 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
e8711085 2189 if (!ha->sns_cmd)
e315cd28 2190 goto fail_dma_pool;
e8711085 2191 } else {
e315cd28 2192 /* Get consistent memory allocated for MS IOCB */
e8711085 2193 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
e315cd28 2194 &ha->ms_iocb_dma);
e8711085 2195 if (!ha->ms_iocb)
e315cd28
AC		 2196 goto fail_dma_pool;
2197 /* Get consistent memory allocated for CT SNS commands */
e8711085 2198 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
e315cd28 2199 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
e8711085
AV		 2200 if (!ha->ct_sns)
2201 goto fail_free_ms_iocb;
1da177e4
LT		 2202 }
2203
e315cd28 2204 /* Allocate memory for request ring */
73208dfd
AC		 2205 *req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
2206 if (!*req) {
e315cd28
AC		 2207 DEBUG(printk("Unable to allocate memory for req\n"));
2208 goto fail_req;
2209 }
73208dfd
AC		 2210 (*req)->length = req_len;
2211 (*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
2212 ((*req)->length + 1) * sizeof(request_t),
2213 &(*req)->dma, GFP_KERNEL);
2214 if (!(*req)->ring) {
e315cd28
AC		 2215 DEBUG(printk("Unable to allocate memory for req_ring\n"));
2216 goto fail_req_ring;
2217 }
2218 /* Allocate memory for response ring */
73208dfd
AC		 2219 *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
2220 if (!*rsp) {
2221 qla_printk(KERN_WARNING, ha,
2222 "Unable to allocate memory for rsp\n");
e315cd28
AC		 2223 goto fail_rsp;
2224 }
73208dfd
AC		 2225 (*rsp)->hw = ha;
2226 (*rsp)->length = rsp_len;
2227 (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
2228 ((*rsp)->length + 1) * sizeof(response_t),
2229 &(*rsp)->dma, GFP_KERNEL);
2230 if (!(*rsp)->ring) {
2231 qla_printk(KERN_WARNING, ha,
2232 "Unable to allocate memory for rsp_ring\n");
e315cd28
AC		 2233 goto fail_rsp_ring;
2234 }
73208dfd
AC		 2235 (*req)->rsp = *rsp;
2236 (*rsp)->req = *req;
2237 /* Allocate memory for NVRAM data for vports */
2238 if (ha->nvram_npiv_size) {
2239 ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
2240 ha->nvram_npiv_size, GFP_KERNEL);
2241 if (!ha->npiv_info) {
2242 qla_printk(KERN_WARNING, ha,
2243 "Unable to allocate memory for npiv info\n");
2244 goto fail_npiv_info;
2245 }
2246 } else
2247 ha->npiv_info = NULL;
e8711085 2248
b64b0e8f
AV		 2249 /* Get consistent memory allocated for EX-INIT-CB. */
2250 if (IS_QLA81XX(ha)) {
2251 ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2252 &ha->ex_init_cb_dma);
2253 if (!ha->ex_init_cb)
2254 goto fail_ex_init_cb;
2255 }
2256
e315cd28
AC		 2257 INIT_LIST_HEAD(&ha->vp_list);
2258 return 1;
2259
b64b0e8f
AV		 2260fail_ex_init_cb:
2261 kfree(ha->npiv_info);
73208dfd
AC		 2262fail_npiv_info:
2263 dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
2264 sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
2265 (*rsp)->ring = NULL;
2266 (*rsp)->dma = 0;
e315cd28 2267fail_rsp_ring:
73208dfd 2268 kfree(*rsp);
e315cd28 2269fail_rsp:
73208dfd
AC		 2270 dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
2271 sizeof(request_t), (*req)->ring, (*req)->dma);
2272 (*req)->ring = NULL;
2273 (*req)->dma = 0;
e315cd28 2274fail_req_ring:
73208dfd 2275 kfree(*req);
e315cd28
AC		 2276fail_req:
2277 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2278 ha->ct_sns, ha->ct_sns_dma);
2279 ha->ct_sns = NULL;
2280 ha->ct_sns_dma = 0;
e8711085
AV		 2281fail_free_ms_iocb:
2282 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2283 ha->ms_iocb = NULL;
2284 ha->ms_iocb_dma = 0;
e315cd28
AC		 2285fail_dma_pool:
2286 dma_pool_destroy(ha->s_dma_pool);
2287 ha->s_dma_pool = NULL;
e8711085
AV		 2288fail_free_nvram:
2289 kfree(ha->nvram);
2290 ha->nvram = NULL;
2291fail_free_srb_mempool:
2292 mempool_destroy(ha->srb_mempool);
2293 ha->srb_mempool = NULL;
e8711085
AV		 2294fail_free_gid_list:
2295 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
e315cd28 2296 ha->gid_list_dma);
e8711085
AV		 2297 ha->gid_list = NULL;
2298 ha->gid_list_dma = 0;
e315cd28
AC		 2299fail_free_init_cb:
2300 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
2301 ha->init_cb_dma);
2302 ha->init_cb = NULL;
2303 ha->init_cb_dma = 0;
e8711085 2304fail:
e315cd28 2305 DEBUG(printk("%s: Memory allocation failure\n", __func__));
e8711085 2306 return -ENOMEM;
1da177e4
LT		 2307}
2308
2309/*
2310* qla2x00_mem_free
2311* Frees all adapter allocated memory.
2312*
2313* Input:
2314* ha = adapter block pointer.
2315*/
a824ebb3 2316static void
e315cd28 2317qla2x00_mem_free(struct qla_hw_data *ha)
1da177e4 2318{
e8711085
AV		 2319 if (ha->srb_mempool)
2320 mempool_destroy(ha->srb_mempool);
1da177e4 2321
df613b96
AV		 2322 if (ha->fce)
2323 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
e315cd28 2324 ha->fce_dma);
df613b96 2325
a7a167bf
AV		 2326 if (ha->fw_dump) {
2327 if (ha->eft)
2328 dma_free_coherent(&ha->pdev->dev,
e315cd28 2329 ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
a7a167bf
AV		 2330 vfree(ha->fw_dump);
2331 }
2332
1da177e4
LT		 2333 if (ha->sns_cmd)
2334 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
e315cd28 2335 ha->sns_cmd, ha->sns_cmd_dma);
1da177e4
LT		 2336
2337 if (ha->ct_sns)
2338 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
e315cd28 2339 ha->ct_sns, ha->ct_sns_dma);
1da177e4 2340
88729e53
AV		 2341 if (ha->sfp_data)
2342 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2343
ad0ecd61
JC		 2344 if (ha->edc_data)
2345 dma_pool_free(ha->s_dma_pool, ha->edc_data, ha->edc_data_dma);
2346
1da177e4
LT		 2347 if (ha->ms_iocb)
2348 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2349
b64b0e8f
AV		 2350 if (ha->ex_init_cb)
2351 dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
2352
1da177e4
LT		 2353 if (ha->s_dma_pool)
2354 dma_pool_destroy(ha->s_dma_pool);
2355
1da177e4
LT		 2356 if (ha->gid_list)
2357 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
e315cd28 2358 ha->gid_list_dma);
1da177e4 2359
e315cd28
AC		 2360 if (ha->init_cb)
2361 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2362 ha->init_cb, ha->init_cb_dma);
2363 vfree(ha->optrom_buffer);
2364 kfree(ha->nvram);
73208dfd 2365 kfree(ha->npiv_info);
1da177e4 2366
e8711085 2367 ha->srb_mempool = NULL;
a7a167bf
AV		 2368 ha->eft = NULL;
2369 ha->eft_dma = 0;
1da177e4
LT		 2370 ha->sns_cmd = NULL;
2371 ha->sns_cmd_dma = 0;
2372 ha->ct_sns = NULL;
2373 ha->ct_sns_dma = 0;
2374 ha->ms_iocb = NULL;
2375 ha->ms_iocb_dma = 0;
1da177e4
LT		 2376 ha->init_cb = NULL;
2377 ha->init_cb_dma = 0;
b64b0e8f
AV		 2378 ha->ex_init_cb = NULL;
2379 ha->ex_init_cb_dma = 0;
1da177e4
LT		 2380
2381 ha->s_dma_pool = NULL;
2382
1da177e4
LT		 2383 ha->gid_list = NULL;
2384 ha->gid_list_dma = 0;
2385
e315cd28
AC		 2386 ha->fw_dump = NULL;
2387 ha->fw_dumped = 0;
2388 ha->fw_dump_reading = 0;
e315cd28 2389}
1da177e4 2390
e315cd28
AC		 2391struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
2392 struct qla_hw_data *ha)
2393{
2394 struct Scsi_Host *host;
2395 struct scsi_qla_host *vha = NULL;
854165f4 2396
e315cd28
AC		 2397 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
2398 if (host == NULL) {
2399 printk(KERN_WARNING
2400 "qla2xxx: Couldn't allocate host from scsi layer!\n");
2401 goto fail;
2402 }
2403
2404 /* Clear our data area */
2405 vha = shost_priv(host);
2406 memset(vha, 0, sizeof(scsi_qla_host_t));
2407
2408 vha->host = host;
2409 vha->host_no = host->host_no;
2410 vha->hw = ha;
2411
2412 INIT_LIST_HEAD(&vha->vp_fcports);
2413 INIT_LIST_HEAD(&vha->work_list);
2414 INIT_LIST_HEAD(&vha->list);
2415
2416 sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
2417 return vha;
2418
2419fail:
2420 return vha;
1da177e4
LT		 2421}
2422
01ef66bb 2423static struct qla_work_evt *
e315cd28 2424qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type,
0971de7f
AV		 2425 int locked)
2426{
2427 struct qla_work_evt *e;
2428
2429 e = kzalloc(sizeof(struct qla_work_evt), locked ? GFP_ATOMIC:
2430 GFP_KERNEL);
2431 if (!e)
2432 return NULL;
2433
2434 INIT_LIST_HEAD(&e->list);
2435 e->type = type;
2436 e->flags = QLA_EVT_FLAG_FREE;
2437 return e;
2438}
2439
01ef66bb 2440static int
e315cd28 2441qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e, int locked)
0971de7f 2442{
bf6583b5 2443 unsigned long uninitialized_var(flags);
e315cd28 2444 struct qla_hw_data *ha = vha->hw;
0971de7f
AV		 2445
2446 if (!locked)
e315cd28
AC		 2447 spin_lock_irqsave(&ha->hardware_lock, flags);
2448 list_add_tail(&e->list, &vha->work_list);
2449 qla2xxx_wake_dpc(vha);
0971de7f 2450 if (!locked)
e315cd28 2451 spin_unlock_irqrestore(&ha->hardware_lock, flags);
0971de7f
AV		 2452 return QLA_SUCCESS;
2453}
2454
2455int
e315cd28 2456qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
0971de7f
AV		 2457 u32 data)
2458{
2459 struct qla_work_evt *e;
2460
e315cd28 2461 e = qla2x00_alloc_work(vha, QLA_EVT_AEN, 1);
0971de7f
AV		 2462 if (!e)
2463 return QLA_FUNCTION_FAILED;
2464
2465 e->u.aen.code = code;
2466 e->u.aen.data = data;
e315cd28 2467 return qla2x00_post_work(vha, e, 1);
0971de7f
AV		 2468}
2469
8a659571
AV		 2470int
2471qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
2472{
2473 struct qla_work_evt *e;
2474
2475 e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK, 1);
2476 if (!e)
2477 return QLA_FUNCTION_FAILED;
2478
2479 memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
2480 return qla2x00_post_work(vha, e, 1);
2481}
2482
0971de7f 2483static void
e315cd28 2484qla2x00_do_work(struct scsi_qla_host *vha)
0971de7f
AV		 2485{
2486 struct qla_work_evt *e;
e315cd28 2487 struct qla_hw_data *ha = vha->hw;
0971de7f 2488
e315cd28
AC		 2489 spin_lock_irq(&ha->hardware_lock);
2490 while (!list_empty(&vha->work_list)) {
2491 e = list_entry(vha->work_list.next, struct qla_work_evt, list);
0971de7f 2492 list_del_init(&e->list);
e315cd28 2493 spin_unlock_irq(&ha->hardware_lock);
0971de7f
AV		 2494
2495 switch (e->type) {
2496 case QLA_EVT_AEN:
e315cd28 2497 fc_host_post_event(vha->host, fc_get_event_number(),
0971de7f
AV		 2498 e->u.aen.code, e->u.aen.data);
2499 break;
8a659571
AV		 2500 case QLA_EVT_IDC_ACK:
2501 qla81xx_idc_ack(vha, e->u.idc_ack.mb);
2502 break;
0971de7f
AV		 2503 }
2504 if (e->flags & QLA_EVT_FLAG_FREE)
2505 kfree(e);
e315cd28
AC		 2506 spin_lock_irq(&ha->hardware_lock);
2507 }
2508 spin_unlock_irq(&ha->hardware_lock);
2509}
2510/* Relogins all the fcports of a vport
2511 * Context: dpc thread
2512 */
2513void qla2x00_relogin(struct scsi_qla_host *vha)
2514{
2515 fc_port_t *fcport;
c6b2fca8 2516 int status;
e315cd28
AC		 2517 uint16_t next_loopid = 0;
2518 struct qla_hw_data *ha = vha->hw;
2519
2520 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2521 /*
2522 * If the port is not ONLINE then try to login
2523 * to it if we haven't run out of retries.
2524 */
2525 if (atomic_read(&fcport->state) !=
2526 FCS_ONLINE && fcport->login_retry) {
2527
2528 if (fcport->flags & FCF_FABRIC_DEVICE) {
2529 if (fcport->flags & FCF_TAPE_PRESENT)
2530 ha->isp_ops->fabric_logout(vha,
2531 fcport->loop_id,
2532 fcport->d_id.b.domain,
2533 fcport->d_id.b.area,
2534 fcport->d_id.b.al_pa);
2535
2536 status = qla2x00_fabric_login(vha, fcport,
2537 &next_loopid);
2538 } else
2539 status = qla2x00_local_device_login(vha,
2540 fcport);
2541
2542 fcport->login_retry--;
2543 if (status == QLA_SUCCESS) {
2544 fcport->old_loop_id = fcport->loop_id;
2545
2546 DEBUG(printk("scsi(%ld): port login OK: logged "
2547 "in ID 0x%x\n", vha->host_no, fcport->loop_id));
2548
2549 qla2x00_update_fcport(vha, fcport);
2550
2551 } else if (status == 1) {
2552 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2553 /* retry the login again */
2554 DEBUG(printk("scsi(%ld): Retrying"
2555 " %d login again loop_id 0x%x\n",
2556 vha->host_no, fcport->login_retry,
2557 fcport->loop_id));
2558 } else {
2559 fcport->login_retry = 0;
2560 }
2561
2562 if (fcport->login_retry == 0 && status != QLA_SUCCESS)
2563 fcport->loop_id = FC_NO_LOOP_ID;
2564 }
2565 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2566 break;
0971de7f 2567 }
0971de7f
AV		 2568}
2569
1da177e4
LT		 2570/**************************************************************************
2571* qla2x00_do_dpc
2572* This kernel thread is a task that is schedule by the interrupt handler
2573* to perform the background processing for interrupts.
2574*
2575* Notes:
2576* This task always run in the context of a kernel thread. It
2577* is kick-off by the driver's detect code and starts up
2578* up one per adapter. It immediately goes to sleep and waits for
2579* some fibre event. When either the interrupt handler or
2580* the timer routine detects a event it will one of the task
2581* bits then wake us up.
2582**************************************************************************/
2583static int
2584qla2x00_do_dpc(void *data)
2585{
2c3dfe3f 2586 int rval;
e315cd28
AC		 2587 scsi_qla_host_t *base_vha;
2588 struct qla_hw_data *ha;
1da177e4 2589
e315cd28
AC		 2590 ha = (struct qla_hw_data *)data;
2591 base_vha = pci_get_drvdata(ha->pdev);
1da177e4 2592
1da177e4
LT		 2593 set_user_nice(current, -20);
2594
39a11240 2595 while (!kthread_should_stop()) {
1da177e4
LT		 2596 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2597
39a11240
CH		 2598 set_current_state(TASK_INTERRUPTIBLE);
2599 schedule();
2600 __set_current_state(TASK_RUNNING);
1da177e4
LT		 2601
2602 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2603
2604 /* Initialization not yet finished. Don't do anything yet. */
e315cd28 2605 if (!base_vha->flags.init_done)
1da177e4
LT		 2606 continue;
2607
e315cd28 2608 DEBUG3(printk("scsi(%ld): DPC handler\n", base_vha->host_no));
1da177e4
LT		 2609
2610 ha->dpc_active = 1;
2611
1da177e4 2612 if (ha->flags.mbox_busy) {
1da177e4
LT		 2613 ha->dpc_active = 0;
2614 continue;
2615 }
2616
e315cd28 2617 qla2x00_do_work(base_vha);
0971de7f 2618
e315cd28
AC		 2619 if (test_and_clear_bit(ISP_ABORT_NEEDED,
2620 &base_vha->dpc_flags)) {
1da177e4
LT		 2621
2622 DEBUG(printk("scsi(%ld): dpc: sched "
2623 "qla2x00_abort_isp ha = %p\n",
e315cd28 2624 base_vha->host_no, ha));
1da177e4 2625 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
e315cd28 2626 &base_vha->dpc_flags))) {
1da177e4 2627
e315cd28 2628 if (qla2x00_abort_isp(base_vha)) {
1da177e4
LT		 2629 /* failed. retry later */
2630 set_bit(ISP_ABORT_NEEDED,
e315cd28 2631 &base_vha->dpc_flags);
99363ef8 2632 }
e315cd28
AC		 2633 clear_bit(ABORT_ISP_ACTIVE,
2634 &base_vha->dpc_flags);
99363ef8
SJ		 2635 }
2636
1da177e4 2637 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
e315cd28 2638 base_vha->host_no));
1da177e4
LT		 2639 }
2640
e315cd28
AC		 2641 if (test_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags)) {
2642 qla2x00_update_fcports(base_vha);
2643 clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
c9c5ced9 2644 }
d97994dc 2645
e315cd28
AC		 2646 if (test_and_clear_bit(RESET_MARKER_NEEDED,
2647 &base_vha->dpc_flags) &&
2648 (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
1da177e4
LT		 2649
2650 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
e315cd28 2651 base_vha->host_no));
1da177e4 2652
e315cd28
AC		 2653 qla2x00_rst_aen(base_vha);
2654 clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
1da177e4
LT		 2655 }
2656
2657 /* Retry each device up to login retry count */
e315cd28
AC		 2658 if ((test_and_clear_bit(RELOGIN_NEEDED,
2659 &base_vha->dpc_flags)) &&
2660 !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
2661 atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
1da177e4
LT		 2662
2663 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
e315cd28
AC		 2664 base_vha->host_no));
2665 qla2x00_relogin(base_vha);
2666
1da177e4 2667 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
e315cd28 2668 base_vha->host_no));
1da177e4
LT		 2669 }
2670
e315cd28
AC		 2671 if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
2672 &base_vha->dpc_flags)) {
1da177e4
LT		 2673
2674 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
e315cd28 2675 base_vha->host_no));
1da177e4
LT		 2676
2677 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
e315cd28 2678 &base_vha->dpc_flags))) {
1da177e4 2679
e315cd28 2680 rval = qla2x00_loop_resync(base_vha);
1da177e4 2681
e315cd28
AC		 2682 clear_bit(LOOP_RESYNC_ACTIVE,
2683 &base_vha->dpc_flags);
1da177e4
LT		 2684 }
2685
2686 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
e315cd28 2687 base_vha->host_no));
1da177e4
LT		 2688 }
2689
e315cd28
AC		 2690 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
2691 atomic_read(&base_vha->loop_state) == LOOP_READY) {
2692 clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
2693 qla2xxx_flash_npiv_conf(base_vha);
272976ca
AV		 2694 }
2695
1da177e4 2696 if (!ha->interrupts_on)
fd34f556 2697 ha->isp_ops->enable_intrs(ha);
1da177e4 2698
e315cd28
AC		 2699 if (test_and_clear_bit(BEACON_BLINK_NEEDED,
2700 &base_vha->dpc_flags))
2701 ha->isp_ops->beacon_blink(base_vha);
f6df144c 2702
e315cd28 2703 qla2x00_do_dpc_all_vps(base_vha);
2c3dfe3f 2704
1da177e4
LT		 2705 ha->dpc_active = 0;
2706 } /* End of while(1) */
2707
e315cd28 2708 DEBUG(printk("scsi(%ld): DPC handler exiting\n", base_vha->host_no));
1da177e4
LT		 2709
2710 /*
2711 * Make sure that nobody tries to wake us up again.
2712 */
1da177e4
LT		 2713 ha->dpc_active = 0;
2714
39a11240
CH		 2715 return 0;
2716}
2717
2718void
e315cd28 2719qla2xxx_wake_dpc(struct scsi_qla_host *vha)
39a11240 2720{
e315cd28 2721 struct qla_hw_data *ha = vha->hw;
c795c1e4
AV		 2722 struct task_struct *t = ha->dpc_thread;
2723
e315cd28 2724 if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
c795c1e4 2725 wake_up_process(t);
1da177e4
LT		 2726}
2727
1da177e4
LT		 2728/*
2729* qla2x00_rst_aen
2730* Processes asynchronous reset.
2731*
2732* Input:
2733* ha = adapter block pointer.
2734*/
2735static void
e315cd28 2736qla2x00_rst_aen(scsi_qla_host_t *vha)
1da177e4 2737{
e315cd28
AC		 2738 if (vha->flags.online && !vha->flags.reset_active &&
2739 !atomic_read(&vha->loop_down_timer) &&
2740 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
1da177e4 2741 do {
e315cd28 2742 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
1da177e4
LT		 2743
2744 /*
2745 * Issue marker command only when we are going to start
2746 * the I/O.
2747 */
e315cd28
AC		 2748 vha->marker_needed = 1;
2749 } while (!atomic_read(&vha->loop_down_timer) &&
2750 (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
1da177e4
LT		 2751 }
2752}
2753
f4f051eb 2754static void
e315cd28 2755qla2x00_sp_free_dma(srb_t *sp)
f4f051eb
AV		 2756{
2757 struct scsi_cmnd *cmd = sp->cmd;
2758
2759 if (sp->flags & SRB_DMA_VALID) {
385d70b4 2760 scsi_dma_unmap(cmd);
f4f051eb
AV		 2761 sp->flags &= ~SRB_DMA_VALID;
2762 }
fca29703 2763 CMD_SP(cmd) = NULL;
f4f051eb
AV		 2764}
2765
2766void
73208dfd 2767qla2x00_sp_compl(struct qla_hw_data *ha, srb_t *sp)
f4f051eb
AV		 2768{
2769 struct scsi_cmnd *cmd = sp->cmd;
2770
e315cd28 2771 qla2x00_sp_free_dma(sp);
f4f051eb 2772
f4f051eb
AV		 2773 mempool_free(sp, ha->srb_mempool);
2774
2775 cmd->scsi_done(cmd);
2776}
bdf79621 2777
1da177e4
LT		 2778/**************************************************************************
2779* qla2x00_timer
2780*
2781* Description:
2782* One second timer
2783*
2784* Context: Interrupt
2785***************************************************************************/
2c3dfe3f 2786void
e315cd28 2787qla2x00_timer(scsi_qla_host_t *vha)
1da177e4 2788{
1da177e4
LT		 2789 unsigned long cpu_flags = 0;
2790 fc_port_t *fcport;
1da177e4
LT		 2791 int start_dpc = 0;
2792 int index;
2793 srb_t *sp;
f4f051eb 2794 int t;
e315cd28 2795 struct qla_hw_data *ha = vha->hw;
73208dfd 2796 struct req_que *req;
1da177e4
LT		 2797 /*
2798 * Ports - Port down timer.
2799 *
2800 * Whenever, a port is in the LOST state we start decrementing its port
2801 * down timer every second until it reaches zero. Once it reaches zero
fa2a1ce5 2802 * the port it marked DEAD.
1da177e4
LT		 2803 */
2804 t = 0;
e315cd28 2805 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1da177e4
LT		 2806 if (fcport->port_type != FCT_TARGET)
2807 continue;
2808
2809 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2810
2811 if (atomic_read(&fcport->port_down_timer) == 0)
2812 continue;
2813
fa2a1ce5 2814 if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
1da177e4 2815 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
fa2a1ce5 2816
1da177e4 2817 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
fca29703 2818 "%d remaining\n",
e315cd28 2819 vha->host_no,
1da177e4
LT		 2820 t, atomic_read(&fcport->port_down_timer)));
2821 }
2822 t++;
2823 } /* End of for fcport */
2824
1da177e4
LT		 2825
2826 /* Loop down handler. */
e315cd28
AC		 2827 if (atomic_read(&vha->loop_down_timer) > 0 &&
2828 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
2829 && vha->flags.online) {
1da177e4 2830
e315cd28
AC		 2831 if (atomic_read(&vha->loop_down_timer) ==
2832 vha->loop_down_abort_time) {
1da177e4
LT		 2833
2834 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2835 "queues before time expire\n",
e315cd28 2836 vha->host_no));
1da177e4 2837
e315cd28
AC		 2838 if (!IS_QLA2100(ha) && vha->link_down_timeout)
2839 atomic_set(&vha->loop_state, LOOP_DEAD);
1da177e4
LT		 2840
2841 /* Schedule an ISP abort to return any tape commands. */
2c3dfe3f 2842 /* NPIV - scan physical port only */
e315cd28 2843 if (!vha->vp_idx) {
2c3dfe3f
SJ		 2844 spin_lock_irqsave(&ha->hardware_lock,
2845 cpu_flags);
73208dfd 2846 req = ha->req_q_map[0];
2c3dfe3f
SJ		 2847 for (index = 1;
2848 index < MAX_OUTSTANDING_COMMANDS;
2849 index++) {
2850 fc_port_t *sfcp;
2851
e315cd28 2852 sp = req->outstanding_cmds[index];
2c3dfe3f
SJ		 2853 if (!sp)
2854 continue;
2855 sfcp = sp->fcport;
2856 if (!(sfcp->flags & FCF_TAPE_PRESENT))
2857 continue;
bdf79621 2858
2c3dfe3f 2859 set_bit(ISP_ABORT_NEEDED,
e315cd28 2860 &vha->dpc_flags);
2c3dfe3f
SJ		 2861 break;
2862 }
2863 spin_unlock_irqrestore(&ha->hardware_lock,
e315cd28 2864 cpu_flags);
1da177e4 2865 }
1da177e4
LT		 2866 start_dpc++;
2867 }
2868
2869 /* if the loop has been down for 4 minutes, reinit adapter */
e315cd28 2870 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
e315cd28
AC		 2871 if (!(vha->device_flags & DFLG_NO_CABLE) &&
2872 !vha->vp_idx) {
1da177e4
LT		 2873 DEBUG(printk("scsi(%ld): Loop down - "
2874 "aborting ISP.\n",
e315cd28 2875 vha->host_no));
1da177e4
LT		 2876 qla_printk(KERN_WARNING, ha,
2877 "Loop down - aborting ISP.\n");
2878
e315cd28 2879 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 2880 }
2881 }
fca29703 2882 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
e315cd28
AC		 2883 vha->host_no,
2884 atomic_read(&vha->loop_down_timer)));
1da177e4
LT		 2885 }
2886
f6df144c
AV		 2887 /* Check if beacon LED needs to be blinked */
2888 if (ha->beacon_blink_led == 1) {
e315cd28 2889 set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
f6df144c
AV		 2890 start_dpc++;
2891 }
2892
550bf57d 2893 /* Process any deferred work. */
e315cd28 2894 if (!list_empty(&vha->work_list))
550bf57d
AV		 2895 start_dpc++;
2896
1da177e4 2897 /* Schedule the DPC routine if needed */
e315cd28
AC		 2898 if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
2899 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
2900 test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
1da177e4 2901 start_dpc ||
e315cd28
AC		 2902 test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
2903 test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
2904 test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
2905 test_bit(RELOGIN_NEEDED, &vha->dpc_flags)))
2906 qla2xxx_wake_dpc(vha);
1da177e4 2907
e315cd28 2908 qla2x00_restart_timer(vha, WATCH_INTERVAL);
1da177e4
LT		 2909}
2910
5433383e
AV		 2911/* Firmware interface routines. */
2912
3a03eb79 2913#define FW_BLOBS 7
5433383e
AV		 2914#define FW_ISP21XX 0
2915#define FW_ISP22XX 1
2916#define FW_ISP2300 2
2917#define FW_ISP2322 3
48c02fde 2918#define FW_ISP24XX 4
c3a2f0df 2919#define FW_ISP25XX 5
3a03eb79 2920#define FW_ISP81XX 6
5433383e 2921
bb8ee499
AV		 2922#define FW_FILE_ISP21XX "ql2100_fw.bin"
2923#define FW_FILE_ISP22XX "ql2200_fw.bin"
2924#define FW_FILE_ISP2300 "ql2300_fw.bin"
2925#define FW_FILE_ISP2322 "ql2322_fw.bin"
2926#define FW_FILE_ISP24XX "ql2400_fw.bin"
c3a2f0df 2927#define FW_FILE_ISP25XX "ql2500_fw.bin"
3a03eb79 2928#define FW_FILE_ISP81XX "ql8100_fw.bin"
bb8ee499 2929
e1e82b6f 2930static DEFINE_MUTEX(qla_fw_lock);
5433383e
AV		 2931
2932static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
bb8ee499
AV		 2933 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
2934 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
2935 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
2936 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
2937 { .name = FW_FILE_ISP24XX, },
c3a2f0df 2938 { .name = FW_FILE_ISP25XX, },
3a03eb79 2939 { .name = FW_FILE_ISP81XX, },
5433383e
AV		 2940};
2941
2942struct fw_blob *
e315cd28 2943qla2x00_request_firmware(scsi_qla_host_t *vha)
5433383e 2944{
e315cd28 2945 struct qla_hw_data *ha = vha->hw;
5433383e
AV		 2946 struct fw_blob *blob;
2947
2948 blob = NULL;
2949 if (IS_QLA2100(ha)) {
2950 blob = &qla_fw_blobs[FW_ISP21XX];
2951 } else if (IS_QLA2200(ha)) {
2952 blob = &qla_fw_blobs[FW_ISP22XX];
48c02fde 2953 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
5433383e 2954 blob = &qla_fw_blobs[FW_ISP2300];
48c02fde 2955 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
5433383e 2956 blob = &qla_fw_blobs[FW_ISP2322];
4d4df193 2957 } else if (IS_QLA24XX_TYPE(ha)) {
5433383e 2958 blob = &qla_fw_blobs[FW_ISP24XX];
c3a2f0df
AV		 2959 } else if (IS_QLA25XX(ha)) {
2960 blob = &qla_fw_blobs[FW_ISP25XX];
3a03eb79
AV		 2961 } else if (IS_QLA81XX(ha)) {
2962 blob = &qla_fw_blobs[FW_ISP81XX];
5433383e
AV		 2963 }
2964
e1e82b6f 2965 mutex_lock(&qla_fw_lock);
5433383e
AV		 2966 if (blob->fw)
2967 goto out;
2968
2969 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
2970 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
e315cd28 2971 "(%s).\n", vha->host_no, blob->name));
5433383e
AV		 2972 blob->fw = NULL;
2973 blob = NULL;
2974 goto out;
2975 }
2976
2977out:
e1e82b6f 2978 mutex_unlock(&qla_fw_lock);
5433383e
AV		 2979 return blob;
2980}
2981
2982static void
2983qla2x00_release_firmware(void)
2984{
2985 int idx;
2986
e1e82b6f 2987 mutex_lock(&qla_fw_lock);
5433383e
AV		 2988 for (idx = 0; idx < FW_BLOBS; idx++)
2989 if (qla_fw_blobs[idx].fw)
2990 release_firmware(qla_fw_blobs[idx].fw);
e1e82b6f 2991 mutex_unlock(&qla_fw_lock);
5433383e
AV		 2992}
2993
14e660e6
SJ		 2994static pci_ers_result_t
2995qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
2996{
b9b12f73
SJ		 2997 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
2998
14e660e6
SJ		 2999 switch (state) {
3000 case pci_channel_io_normal:
3001 return PCI_ERS_RESULT_CAN_RECOVER;
3002 case pci_channel_io_frozen:
3003 pci_disable_device(pdev);
3004 return PCI_ERS_RESULT_NEED_RESET;
3005 case pci_channel_io_perm_failure:
b9b12f73 3006 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
14e660e6
SJ		 3007 return PCI_ERS_RESULT_DISCONNECT;
3008 }
3009 return PCI_ERS_RESULT_NEED_RESET;
3010}
3011
3012static pci_ers_result_t
3013qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
3014{
3015 int risc_paused = 0;
3016 uint32_t stat;
3017 unsigned long flags;
e315cd28
AC		 3018 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3019 struct qla_hw_data *ha = base_vha->hw;
14e660e6
SJ		 3020 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3021 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
3022
3023 spin_lock_irqsave(&ha->hardware_lock, flags);
3024 if (IS_QLA2100(ha) || IS_QLA2200(ha)){
3025 stat = RD_REG_DWORD(&reg->hccr);
3026 if (stat & HCCR_RISC_PAUSE)
3027 risc_paused = 1;
3028 } else if (IS_QLA23XX(ha)) {
3029 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
3030 if (stat & HSR_RISC_PAUSED)
3031 risc_paused = 1;
3032 } else if (IS_FWI2_CAPABLE(ha)) {
3033 stat = RD_REG_DWORD(&reg24->host_status);
3034 if (stat & HSRX_RISC_PAUSED)
3035 risc_paused = 1;
3036 }
3037 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3038
3039 if (risc_paused) {
3040 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
3041 "Dumping firmware!\n");
e315cd28 3042 ha->isp_ops->fw_dump(base_vha, 0);
14e660e6
SJ		 3043
3044 return PCI_ERS_RESULT_NEED_RESET;
3045 } else
3046 return PCI_ERS_RESULT_RECOVERED;
3047}
3048
3049static pci_ers_result_t
3050qla2xxx_pci_slot_reset(struct pci_dev *pdev)
3051{
3052 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
e315cd28
AC		 3053 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3054 struct qla_hw_data *ha = base_vha->hw;
09483916
BH		 3055 int rc;
3056
3057 if (ha->mem_only)
3058 rc = pci_enable_device_mem(pdev);
3059 else
3060 rc = pci_enable_device(pdev);
14e660e6 3061
09483916 3062 if (rc) {
14e660e6
SJ		 3063 qla_printk(KERN_WARNING, ha,
3064 "Can't re-enable PCI device after reset.\n");
3065
3066 return ret;
3067 }
3068 pci_set_master(pdev);
3069
e315cd28 3070 if (ha->isp_ops->pci_config(base_vha))
14e660e6
SJ		 3071 return ret;
3072
e315cd28
AC		 3073 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3074 if (qla2x00_abort_isp(base_vha) == QLA_SUCCESS)
14e660e6 3075 ret = PCI_ERS_RESULT_RECOVERED;
e315cd28 3076 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
14e660e6
SJ		 3077
3078 return ret;
3079}
3080
3081static void
3082qla2xxx_pci_resume(struct pci_dev *pdev)
3083{
e315cd28
AC		 3084 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3085 struct qla_hw_data *ha = base_vha->hw;
14e660e6
SJ		 3086 int ret;
3087
e315cd28 3088 ret = qla2x00_wait_for_hba_online(base_vha);
14e660e6
SJ		 3089 if (ret != QLA_SUCCESS) {
3090 qla_printk(KERN_ERR, ha,
3091 "the device failed to resume I/O "
3092 "from slot/link_reset");
3093 }
3094 pci_cleanup_aer_uncorrect_error_status(pdev);
3095}
3096
3097static struct pci_error_handlers qla2xxx_err_handler = {
3098 .error_detected = qla2xxx_pci_error_detected,
3099 .mmio_enabled = qla2xxx_pci_mmio_enabled,
3100 .slot_reset = qla2xxx_pci_slot_reset,
3101 .resume = qla2xxx_pci_resume,
3102};
3103
5433383e 3104static struct pci_device_id qla2xxx_pci_tbl[] = {
47f5e069
AV		 3105 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
3106 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
3107 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
3108 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
3109 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
3110 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
3111 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
3112 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
3113 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
4d4df193 3114 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
47f5e069
AV		 3115 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
3116 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
c3a2f0df 3117 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
3a03eb79 3118 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
5433383e
AV		 3119 { 0 },
3120};
3121MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
3122
fca29703 3123static struct pci_driver qla2xxx_pci_driver = {
cb63067a 3124 .name = QLA2XXX_DRIVER_NAME,
0a21ef1e
JB		 3125 .driver = {
3126 .owner = THIS_MODULE,
3127 },
fca29703 3128 .id_table = qla2xxx_pci_tbl,
7ee61397 3129 .probe = qla2x00_probe_one,
4c993f76 3130 .remove = qla2x00_remove_one,
14e660e6 3131 .err_handler = &qla2xxx_err_handler,
fca29703
AV		 3132};
3133
1da177e4
LT		 3134/**
3135 * qla2x00_module_init - Module initialization.
3136 **/
3137static int __init
3138qla2x00_module_init(void)
3139{
fca29703
AV		 3140 int ret = 0;
3141
1da177e4 3142 /* Allocate cache for SRBs. */
354d6b21 3143 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
20c2df83 3144 SLAB_HWCACHE_ALIGN, NULL);
1da177e4
LT		 3145 if (srb_cachep == NULL) {
3146 printk(KERN_ERR
3147 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
3148 return -ENOMEM;
3149 }
3150
3151 /* Derive version string. */
3152 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
11010fec 3153 if (ql2xextended_error_logging)
0181944f
AV		 3154 strcat(qla2x00_version_str, "-debug");
3155
1c97a12a
AV		 3156 qla2xxx_transport_template =
3157 fc_attach_transport(&qla2xxx_transport_functions);
2c3dfe3f
SJ		 3158 if (!qla2xxx_transport_template) {
3159 kmem_cache_destroy(srb_cachep);
1da177e4 3160 return -ENODEV;
2c3dfe3f
SJ		 3161 }
3162 qla2xxx_transport_vport_template =
3163 fc_attach_transport(&qla2xxx_transport_vport_functions);
3164 if (!qla2xxx_transport_vport_template) {
3165 kmem_cache_destroy(srb_cachep);
3166 fc_release_transport(qla2xxx_transport_template);
1da177e4 3167 return -ENODEV;
2c3dfe3f 3168 }
1da177e4 3169
fd9a29f0
AV		 3170 printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n",
3171 qla2x00_version_str);
7ee61397 3172 ret = pci_register_driver(&qla2xxx_pci_driver);
fca29703
AV		 3173 if (ret) {
3174 kmem_cache_destroy(srb_cachep);
3175 fc_release_transport(qla2xxx_transport_template);
2c3dfe3f 3176 fc_release_transport(qla2xxx_transport_vport_template);
fca29703
AV		 3177 }
3178 return ret;
1da177e4
LT		 3179}
3180
3181/**
3182 * qla2x00_module_exit - Module cleanup.
3183 **/
3184static void __exit
3185qla2x00_module_exit(void)
3186{
7ee61397 3187 pci_unregister_driver(&qla2xxx_pci_driver);
5433383e 3188 qla2x00_release_firmware();
354d6b21 3189 kmem_cache_destroy(srb_cachep);
1da177e4 3190 fc_release_transport(qla2xxx_transport_template);
2c3dfe3f 3191 fc_release_transport(qla2xxx_transport_vport_template);
1da177e4
LT		 3192}
3193
3194module_init(qla2x00_module_init);
3195module_exit(qla2x00_module_exit);
3196
3197MODULE_AUTHOR("QLogic Corporation");
3198MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
3199MODULE_LICENSE("GPL");
3200MODULE_VERSION(QLA2XXX_VERSION);
bb8ee499
AV		 3201MODULE_FIRMWARE(FW_FILE_ISP21XX);
3202MODULE_FIRMWARE(FW_FILE_ISP22XX);
3203MODULE_FIRMWARE(FW_FILE_ISP2300);
3204MODULE_FIRMWARE(FW_FILE_ISP2322);
3205MODULE_FIRMWARE(FW_FILE_ISP24XX);
61623fc3 3206MODULE_FIRMWARE(FW_FILE_ISP25XX);
3a03eb79 3207MODULE_FIRMWARE(FW_FILE_ISP81XX);
kernel source for telekom puls (alcatel/mediatek)