projects / deliverable / linux.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
dma-mapping: replace all DMA_39BIT_MASK macro with DMA_BIT_MASK(39)
[deliverable/linux.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 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 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 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 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 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 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 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 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 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 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 1017 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1018 (ret == FAILED) ? "failed" : "succeded");
1da177e4 1019
f4f051eb 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
749af3d5 1040 if (ha->flags.enable_lip_full_login && !vha->vp_idx) {
e315cd28 1041 ret = qla2x00_full_login_lip(vha);
0c8c39af 1042 if (ret != QLA_SUCCESS) {
749af3d5 1043 DEBUG2_3(printk("%s(%ld): failed: "
e315cd28 1044 "full_login_lip=%d.\n", __func__, vha->host_no,
0c8c39af 1045 ret));
749af3d5
AC		 1046 }
1047 atomic_set(&vha->loop_state, LOOP_DOWN);
1048 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1049 qla2x00_mark_all_devices_lost(vha, 0);
1050 qla2x00_wait_for_loop_ready(vha);
0c8c39af
AV		 1051 }
1052
749af3d5 1053 if (ha->flags.enable_lip_reset && !vha->vp_idx) {
e315cd28 1054 ret = qla2x00_lip_reset(vha);
0c8c39af 1055 if (ret != QLA_SUCCESS) {
749af3d5 1056 DEBUG2_3(printk("%s(%ld): failed: "
e315cd28
AC		 1057 "lip_reset=%d.\n", __func__, vha->host_no, ret));
1058 } else
1059 qla2x00_wait_for_loop_ready(vha);
1da177e4
LT		 1060 }
1061
0c8c39af 1062 if (ha->flags.enable_target_reset) {
e315cd28 1063 list_for_each_entry(fcport, &vha->vp_fcports, list) {
bdf79621 1064 if (fcport->port_type != FCT_TARGET)
1da177e4
LT		 1065 continue;
1066
523ec773 1067 ret = ha->isp_ops->target_reset(fcport, 0);
0c8c39af
AV		 1068 if (ret != QLA_SUCCESS) {
1069 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1070 "target_reset=%d d_id=%x.\n", __func__,
e315cd28 1071 vha->host_no, ret, fcport->d_id.b24));
0c8c39af 1072 }
1da177e4
LT		 1073 }
1074 }
1da177e4 1075 /* Issue marker command only when we are going to start the I/O */
e315cd28 1076 vha->marker_needed = 1;
1da177e4 1077
0c8c39af 1078 return QLA_SUCCESS;
1da177e4
LT		 1079}
1080
df4bf0bb 1081void
e315cd28 1082qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
df4bf0bb 1083{
73208dfd 1084 int que, cnt;
df4bf0bb
AV		 1085 unsigned long flags;
1086 srb_t *sp;
e315cd28 1087 struct qla_hw_data *ha = vha->hw;
73208dfd 1088 struct req_que *req;
df4bf0bb
AV		 1089
1090 spin_lock_irqsave(&ha->hardware_lock, flags);
29bdccbe
AC		 1091 for (que = 0; que < ha->max_queues; que++) {
1092 req = ha->req_q_map[que];
73208dfd
AC		 1093 if (!req)
1094 continue;
1095 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1096 sp = req->outstanding_cmds[cnt];
e612d465 1097 if (sp) {
73208dfd
AC		 1098 req->outstanding_cmds[cnt] = NULL;
1099 sp->cmd->result = res;
1100 qla2x00_sp_compl(ha, sp);
1101 }
df4bf0bb
AV		 1102 }
1103 }
1104 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1105}
1106
f4f051eb 1107static int
1108qla2xxx_slave_alloc(struct scsi_device *sdev)
1da177e4 1109{
bdf79621 1110 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1da177e4 1111
19a7b4ae 1112 if (!rport || fc_remote_port_chkready(rport))
f4f051eb 1113 return -ENXIO;
bdf79621 1114
19a7b4ae 1115 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1da177e4 1116
f4f051eb 1117 return 0;
1118}
1da177e4 1119
f4f051eb 1120static int
1121qla2xxx_slave_configure(struct scsi_device *sdev)
1122{
e315cd28
AC		 1123 scsi_qla_host_t *vha = shost_priv(sdev->host);
1124 struct qla_hw_data *ha = vha->hw;
8482e118 1125 struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
29bdccbe 1126 struct req_que *req = ha->req_q_map[vha->req_ques[0]];
8482e118 1127
f4f051eb 1128 if (sdev->tagged_supported)
73208dfd 1129 scsi_activate_tcq(sdev, req->max_q_depth);
f4f051eb 1130 else
73208dfd 1131 scsi_deactivate_tcq(sdev, req->max_q_depth);
1da177e4 1132
85821c90 1133 rport->dev_loss_tmo = ha->port_down_retry_count;
8482e118 1134
f4f051eb 1135 return 0;
1136}
1da177e4 1137
f4f051eb 1138static void
1139qla2xxx_slave_destroy(struct scsi_device *sdev)
1140{
1141 sdev->hostdata = NULL;
1da177e4
LT		 1142}
1143
ce7e4af7
AV		 1144static int
1145qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
1146{
1147 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1148 return sdev->queue_depth;
1149}
1150
1151static int
1152qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1153{
1154 if (sdev->tagged_supported) {
1155 scsi_set_tag_type(sdev, tag_type);
1156 if (tag_type)
1157 scsi_activate_tcq(sdev, sdev->queue_depth);
1158 else
1159 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1160 } else
1161 tag_type = 0;
1162
1163 return tag_type;
1164}
1165
1da177e4
LT		 1166/**
1167 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1168 * @ha: HA context
1169 *
1170 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1171 * supported addressing method.
1172 */
1173static void
53303c42 1174qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1da177e4 1175{
7524f9b9 1176 /* Assume a 32bit DMA mask. */
1da177e4 1177 ha->flags.enable_64bit_addressing = 0;
1da177e4 1178
6a35528a 1179 if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
7524f9b9
AV		 1180 /* Any upper-dword bits set? */
1181 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
6a35528a 1182 !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
7524f9b9 1183 /* Ok, a 64bit DMA mask is applicable. */
1da177e4 1184 ha->flags.enable_64bit_addressing = 1;
fd34f556
AV		 1185 ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1186 ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
7524f9b9 1187 return;
1da177e4 1188 }
1da177e4 1189 }
7524f9b9
AV		 1190
1191 dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK);
1192 pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK);
1da177e4
LT		 1193}
1194
fd34f556 1195static void
e315cd28 1196qla2x00_enable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1197{
1198 unsigned long flags = 0;
1199 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1200
1201 spin_lock_irqsave(&ha->hardware_lock, flags);
1202 ha->interrupts_on = 1;
1203 /* enable risc and host interrupts */
1204 WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1205 RD_REG_WORD(&reg->ictrl);
1206 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1207
1208}
1209
1210static void
e315cd28 1211qla2x00_disable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1212{
1213 unsigned long flags = 0;
1214 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1215
1216 spin_lock_irqsave(&ha->hardware_lock, flags);
1217 ha->interrupts_on = 0;
1218 /* disable risc and host interrupts */
1219 WRT_REG_WORD(&reg->ictrl, 0);
1220 RD_REG_WORD(&reg->ictrl);
1221 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1222}
1223
1224static void
e315cd28 1225qla24xx_enable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1226{
1227 unsigned long flags = 0;
1228 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1229
1230 spin_lock_irqsave(&ha->hardware_lock, flags);
1231 ha->interrupts_on = 1;
1232 WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1233 RD_REG_DWORD(&reg->ictrl);
1234 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1235}
1236
1237static void
e315cd28 1238qla24xx_disable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1239{
1240 unsigned long flags = 0;
1241 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1242
124f85e6
AV		 1243 if (IS_NOPOLLING_TYPE(ha))
1244 return;
fd34f556
AV		 1245 spin_lock_irqsave(&ha->hardware_lock, flags);
1246 ha->interrupts_on = 0;
1247 WRT_REG_DWORD(&reg->ictrl, 0);
1248 RD_REG_DWORD(&reg->ictrl);
1249 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1250}
1251
1252static struct isp_operations qla2100_isp_ops = {
1253 .pci_config = qla2100_pci_config,
1254 .reset_chip = qla2x00_reset_chip,
1255 .chip_diag = qla2x00_chip_diag,
1256 .config_rings = qla2x00_config_rings,
1257 .reset_adapter = qla2x00_reset_adapter,
1258 .nvram_config = qla2x00_nvram_config,
1259 .update_fw_options = qla2x00_update_fw_options,
1260 .load_risc = qla2x00_load_risc,
1261 .pci_info_str = qla2x00_pci_info_str,
1262 .fw_version_str = qla2x00_fw_version_str,
1263 .intr_handler = qla2100_intr_handler,
1264 .enable_intrs = qla2x00_enable_intrs,
1265 .disable_intrs = qla2x00_disable_intrs,
1266 .abort_command = qla2x00_abort_command,
523ec773
AV		 1267 .target_reset = qla2x00_abort_target,
1268 .lun_reset = qla2x00_lun_reset,
fd34f556
AV		 1269 .fabric_login = qla2x00_login_fabric,
1270 .fabric_logout = qla2x00_fabric_logout,
1271 .calc_req_entries = qla2x00_calc_iocbs_32,
1272 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1273 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1274 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1275 .read_nvram = qla2x00_read_nvram_data,
1276 .write_nvram = qla2x00_write_nvram_data,
1277 .fw_dump = qla2100_fw_dump,
1278 .beacon_on = NULL,
1279 .beacon_off = NULL,
1280 .beacon_blink = NULL,
1281 .read_optrom = qla2x00_read_optrom_data,
1282 .write_optrom = qla2x00_write_optrom_data,
1283 .get_flash_version = qla2x00_get_flash_version,
e315cd28 1284 .start_scsi = qla2x00_start_scsi,
fd34f556
AV		 1285};
1286
1287static struct isp_operations qla2300_isp_ops = {
1288 .pci_config = qla2300_pci_config,
1289 .reset_chip = qla2x00_reset_chip,
1290 .chip_diag = qla2x00_chip_diag,
1291 .config_rings = qla2x00_config_rings,
1292 .reset_adapter = qla2x00_reset_adapter,
1293 .nvram_config = qla2x00_nvram_config,
1294 .update_fw_options = qla2x00_update_fw_options,
1295 .load_risc = qla2x00_load_risc,
1296 .pci_info_str = qla2x00_pci_info_str,
1297 .fw_version_str = qla2x00_fw_version_str,
1298 .intr_handler = qla2300_intr_handler,
1299 .enable_intrs = qla2x00_enable_intrs,
1300 .disable_intrs = qla2x00_disable_intrs,
1301 .abort_command = qla2x00_abort_command,
523ec773
AV		 1302 .target_reset = qla2x00_abort_target,
1303 .lun_reset = qla2x00_lun_reset,
fd34f556
AV		 1304 .fabric_login = qla2x00_login_fabric,
1305 .fabric_logout = qla2x00_fabric_logout,
1306 .calc_req_entries = qla2x00_calc_iocbs_32,
1307 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1308 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1309 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1310 .read_nvram = qla2x00_read_nvram_data,
1311 .write_nvram = qla2x00_write_nvram_data,
1312 .fw_dump = qla2300_fw_dump,
1313 .beacon_on = qla2x00_beacon_on,
1314 .beacon_off = qla2x00_beacon_off,
1315 .beacon_blink = qla2x00_beacon_blink,
1316 .read_optrom = qla2x00_read_optrom_data,
1317 .write_optrom = qla2x00_write_optrom_data,
1318 .get_flash_version = qla2x00_get_flash_version,
e315cd28 1319 .start_scsi = qla2x00_start_scsi,
fd34f556
AV		 1320};
1321
1322static struct isp_operations qla24xx_isp_ops = {
1323 .pci_config = qla24xx_pci_config,
1324 .reset_chip = qla24xx_reset_chip,
1325 .chip_diag = qla24xx_chip_diag,
1326 .config_rings = qla24xx_config_rings,
1327 .reset_adapter = qla24xx_reset_adapter,
1328 .nvram_config = qla24xx_nvram_config,
1329 .update_fw_options = qla24xx_update_fw_options,
1330 .load_risc = qla24xx_load_risc,
1331 .pci_info_str = qla24xx_pci_info_str,
1332 .fw_version_str = qla24xx_fw_version_str,
1333 .intr_handler = qla24xx_intr_handler,
1334 .enable_intrs = qla24xx_enable_intrs,
1335 .disable_intrs = qla24xx_disable_intrs,
1336 .abort_command = qla24xx_abort_command,
523ec773
AV		 1337 .target_reset = qla24xx_abort_target,
1338 .lun_reset = qla24xx_lun_reset,
fd34f556
AV		 1339 .fabric_login = qla24xx_login_fabric,
1340 .fabric_logout = qla24xx_fabric_logout,
1341 .calc_req_entries = NULL,
1342 .build_iocbs = NULL,
1343 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1344 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1345 .read_nvram = qla24xx_read_nvram_data,
1346 .write_nvram = qla24xx_write_nvram_data,
1347 .fw_dump = qla24xx_fw_dump,
1348 .beacon_on = qla24xx_beacon_on,
1349 .beacon_off = qla24xx_beacon_off,
1350 .beacon_blink = qla24xx_beacon_blink,
1351 .read_optrom = qla24xx_read_optrom_data,
1352 .write_optrom = qla24xx_write_optrom_data,
1353 .get_flash_version = qla24xx_get_flash_version,
e315cd28 1354 .start_scsi = qla24xx_start_scsi,
fd34f556
AV		 1355};
1356
c3a2f0df
AV		 1357static struct isp_operations qla25xx_isp_ops = {
1358 .pci_config = qla25xx_pci_config,
1359 .reset_chip = qla24xx_reset_chip,
1360 .chip_diag = qla24xx_chip_diag,
1361 .config_rings = qla24xx_config_rings,
1362 .reset_adapter = qla24xx_reset_adapter,
1363 .nvram_config = qla24xx_nvram_config,
1364 .update_fw_options = qla24xx_update_fw_options,
1365 .load_risc = qla24xx_load_risc,
1366 .pci_info_str = qla24xx_pci_info_str,
1367 .fw_version_str = qla24xx_fw_version_str,
1368 .intr_handler = qla24xx_intr_handler,
1369 .enable_intrs = qla24xx_enable_intrs,
1370 .disable_intrs = qla24xx_disable_intrs,
1371 .abort_command = qla24xx_abort_command,
523ec773
AV		 1372 .target_reset = qla24xx_abort_target,
1373 .lun_reset = qla24xx_lun_reset,
c3a2f0df
AV		 1374 .fabric_login = qla24xx_login_fabric,
1375 .fabric_logout = qla24xx_fabric_logout,
1376 .calc_req_entries = NULL,
1377 .build_iocbs = NULL,
1378 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1379 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1380 .read_nvram = qla25xx_read_nvram_data,
1381 .write_nvram = qla25xx_write_nvram_data,
1382 .fw_dump = qla25xx_fw_dump,
1383 .beacon_on = qla24xx_beacon_on,
1384 .beacon_off = qla24xx_beacon_off,
1385 .beacon_blink = qla24xx_beacon_blink,
338c9161 1386 .read_optrom = qla25xx_read_optrom_data,
c3a2f0df
AV		 1387 .write_optrom = qla24xx_write_optrom_data,
1388 .get_flash_version = qla24xx_get_flash_version,
e315cd28 1389 .start_scsi = qla24xx_start_scsi,
c3a2f0df
AV		 1390};
1391
3a03eb79
AV		 1392static struct isp_operations qla81xx_isp_ops = {
1393 .pci_config = qla25xx_pci_config,
1394 .reset_chip = qla24xx_reset_chip,
1395 .chip_diag = qla24xx_chip_diag,
1396 .config_rings = qla24xx_config_rings,
1397 .reset_adapter = qla24xx_reset_adapter,
1398 .nvram_config = qla81xx_nvram_config,
1399 .update_fw_options = qla81xx_update_fw_options,
eaac30be 1400 .load_risc = qla81xx_load_risc,
3a03eb79
AV		 1401 .pci_info_str = qla24xx_pci_info_str,
1402 .fw_version_str = qla24xx_fw_version_str,
1403 .intr_handler = qla24xx_intr_handler,
1404 .enable_intrs = qla24xx_enable_intrs,
1405 .disable_intrs = qla24xx_disable_intrs,
1406 .abort_command = qla24xx_abort_command,
1407 .target_reset = qla24xx_abort_target,
1408 .lun_reset = qla24xx_lun_reset,
1409 .fabric_login = qla24xx_login_fabric,
1410 .fabric_logout = qla24xx_fabric_logout,
1411 .calc_req_entries = NULL,
1412 .build_iocbs = NULL,
1413 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1414 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
3d79038f
AV		 1415 .read_nvram = NULL,
1416 .write_nvram = NULL,
3a03eb79
AV		 1417 .fw_dump = qla81xx_fw_dump,
1418 .beacon_on = qla24xx_beacon_on,
1419 .beacon_off = qla24xx_beacon_off,
1420 .beacon_blink = qla24xx_beacon_blink,
1421 .read_optrom = qla25xx_read_optrom_data,
1422 .write_optrom = qla24xx_write_optrom_data,
1423 .get_flash_version = qla24xx_get_flash_version,
1424 .start_scsi = qla24xx_start_scsi,
3a03eb79
AV		 1425};
1426
ea5b6382 1427static inline void
e315cd28 1428qla2x00_set_isp_flags(struct qla_hw_data *ha)
ea5b6382 1429{
1430 ha->device_type = DT_EXTENDED_IDS;
1431 switch (ha->pdev->device) {
1432 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1433 ha->device_type |= DT_ISP2100;
1434 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1435 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382 1436 break;
1437 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1438 ha->device_type |= DT_ISP2200;
1439 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1440 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382 1441 break;
1442 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1443 ha->device_type |= DT_ISP2300;
4a59f71d 1444 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1445 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1446 break;
1447 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1448 ha->device_type |= DT_ISP2312;
4a59f71d 1449 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1450 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1451 break;
1452 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1453 ha->device_type |= DT_ISP2322;
4a59f71d 1454 ha->device_type |= DT_ZIO_SUPPORTED;
ea5b6382 1455 if (ha->pdev->subsystem_vendor == 0x1028 &&
1456 ha->pdev->subsystem_device == 0x0170)
1457 ha->device_type |= DT_OEM_001;
441d1072 1458 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1459 break;
1460 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1461 ha->device_type |= DT_ISP6312;
441d1072 1462 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1463 break;
1464 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1465 ha->device_type |= DT_ISP6322;
441d1072 1466 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1467 break;
1468 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1469 ha->device_type |= DT_ISP2422;
4a59f71d 1470 ha->device_type |= DT_ZIO_SUPPORTED;
e428924c 1471 ha->device_type |= DT_FWI2;
c76f2c01 1472 ha->device_type |= DT_IIDMA;
441d1072 1473 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1474 break;
1475 case PCI_DEVICE_ID_QLOGIC_ISP2432:
1476 ha->device_type |= DT_ISP2432;
4a59f71d 1477 ha->device_type |= DT_ZIO_SUPPORTED;
e428924c 1478 ha->device_type |= DT_FWI2;
c76f2c01 1479 ha->device_type |= DT_IIDMA;
441d1072 1480 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1481 break;
4d4df193
HK		 1482 case PCI_DEVICE_ID_QLOGIC_ISP8432:
1483 ha->device_type |= DT_ISP8432;
1484 ha->device_type |= DT_ZIO_SUPPORTED;
1485 ha->device_type |= DT_FWI2;
1486 ha->device_type |= DT_IIDMA;
1487 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1488 break;
044cc6c8 1489 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1490 ha->device_type |= DT_ISP5422;
e428924c 1491 ha->device_type |= DT_FWI2;
441d1072 1492 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1493 break;
044cc6c8 1494 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1495 ha->device_type |= DT_ISP5432;
e428924c 1496 ha->device_type |= DT_FWI2;
441d1072 1497 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1498 break;
c3a2f0df
AV		 1499 case PCI_DEVICE_ID_QLOGIC_ISP2532:
1500 ha->device_type |= DT_ISP2532;
1501 ha->device_type |= DT_ZIO_SUPPORTED;
1502 ha->device_type |= DT_FWI2;
1503 ha->device_type |= DT_IIDMA;
441d1072 1504 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1505 break;
3a03eb79
AV		 1506 case PCI_DEVICE_ID_QLOGIC_ISP8001:
1507 ha->device_type |= DT_ISP8001;
1508 ha->device_type |= DT_ZIO_SUPPORTED;
1509 ha->device_type |= DT_FWI2;
1510 ha->device_type |= DT_IIDMA;
1511 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1512 break;
ea5b6382 1513 }
1514}
1515
1da177e4 1516static int
e315cd28 1517qla2x00_iospace_config(struct qla_hw_data *ha)
1da177e4 1518{
3776541d 1519 resource_size_t pio;
73208dfd 1520 uint16_t msix;
1da177e4 1521
285d0321
AV		 1522 if (pci_request_selected_regions(ha->pdev, ha->bars,
1523 QLA2XXX_DRIVER_NAME)) {
1524 qla_printk(KERN_WARNING, ha,
1525 "Failed to reserve PIO/MMIO regions (%s)\n",
1526 pci_name(ha->pdev));
1527
1528 goto iospace_error_exit;
1529 }
1530 if (!(ha->bars & 1))
1531 goto skip_pio;
1532
1da177e4
LT		 1533 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1534 pio = pci_resource_start(ha->pdev, 0);
3776541d
AV		 1535 if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1536 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1da177e4
LT		 1537 qla_printk(KERN_WARNING, ha,
1538 "Invalid PCI I/O region size (%s)...\n",
1539 pci_name(ha->pdev));
1540 pio = 0;
1541 }
1542 } else {
1543 qla_printk(KERN_WARNING, ha,
1544 "region #0 not a PIO resource (%s)...\n",
1545 pci_name(ha->pdev));
1546 pio = 0;
1547 }
285d0321 1548 ha->pio_address = pio;
1da177e4 1549
285d0321 1550skip_pio:
1da177e4 1551 /* Use MMIO operations for all accesses. */
3776541d 1552 if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1da177e4 1553 qla_printk(KERN_ERR, ha,
3776541d 1554 "region #1 not an MMIO resource (%s), aborting\n",
1da177e4
LT		 1555 pci_name(ha->pdev));
1556 goto iospace_error_exit;
1557 }
3776541d 1558 if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1da177e4
LT		 1559 qla_printk(KERN_ERR, ha,
1560 "Invalid PCI mem region size (%s), aborting\n",
1561 pci_name(ha->pdev));
1562 goto iospace_error_exit;
1563 }
1564
3776541d 1565 ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1da177e4
LT		 1566 if (!ha->iobase) {
1567 qla_printk(KERN_ERR, ha,
1568 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1569
1570 goto iospace_error_exit;
1571 }
1572
73208dfd
AC		 1573 /* Determine queue resources */
1574 ha->max_queues = 1;
3a03eb79 1575 if (ql2xmaxqueues <= 1 || (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
17d98630
AC		 1576 goto mqiobase_exit;
1577 ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1578 pci_resource_len(ha->pdev, 3));
1579 if (ha->mqiobase) {
1580 /* Read MSIX vector size of the board */
1581 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1582 ha->msix_count = msix;
1583 /* Max queues are bounded by available msix vectors */
1584 /* queue 0 uses two msix vectors */
1585 if (ha->msix_count - 1 < ql2xmaxqueues)
1586 ha->max_queues = ha->msix_count - 1;
1587 else if (ql2xmaxqueues > QLA_MQ_SIZE)
1588 ha->max_queues = QLA_MQ_SIZE;
1589 else
1590 ha->max_queues = ql2xmaxqueues;
1591 qla_printk(KERN_INFO, ha,
1592 "MSI-X vector count: %d\n", msix);
73208dfd 1593 }
17d98630
AC		 1594
1595mqiobase_exit:
73208dfd 1596 ha->msix_count = ha->max_queues + 1;
1da177e4
LT		 1597 return (0);
1598
1599iospace_error_exit:
1600 return (-ENOMEM);
1601}
1602
1e99e33a
AV		 1603static void
1604qla2xxx_scan_start(struct Scsi_Host *shost)
1605{
e315cd28 1606 scsi_qla_host_t *vha = shost_priv(shost);
1e99e33a 1607
e315cd28
AC		 1608 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1609 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1610 set_bit(RSCN_UPDATE, &vha->dpc_flags);
1611 set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
1e99e33a
AV		 1612}
1613
1614static int
1615qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1616{
e315cd28 1617 scsi_qla_host_t *vha = shost_priv(shost);
1e99e33a 1618
e315cd28 1619 if (!vha->host)
1e99e33a 1620 return 1;
e315cd28 1621 if (time > vha->hw->loop_reset_delay * HZ)
1e99e33a
AV		 1622 return 1;
1623
e315cd28 1624 return atomic_read(&vha->loop_state) == LOOP_READY;
1e99e33a
AV		 1625}
1626
1da177e4
LT		 1627/*
1628 * PCI driver interface
1629 */
7ee61397
AV		 1630static int __devinit
1631qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1da177e4 1632{
a1541d5a 1633 int ret = -ENODEV;
1da177e4 1634 struct Scsi_Host *host;
e315cd28
AC		 1635 scsi_qla_host_t *base_vha = NULL;
1636 struct qla_hw_data *ha;
29856e28 1637 char pci_info[30];
1da177e4 1638 char fw_str[30];
5433383e 1639 struct scsi_host_template *sht;
c51da4ec 1640 int bars, max_id, mem_only = 0;
e315cd28 1641 uint16_t req_length = 0, rsp_length = 0;
73208dfd
AC		 1642 struct req_que *req = NULL;
1643 struct rsp_que *rsp = NULL;
1da177e4 1644
285d0321 1645 bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
a5326f86 1646 sht = &qla2xxx_driver_template;
5433383e 1647 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
8bc69e7d 1648 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
4d4df193 1649 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
8bc69e7d 1650 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
c3a2f0df 1651 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
3a03eb79
AV		 1652 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
1653 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001) {
285d0321 1654 bars = pci_select_bars(pdev, IORESOURCE_MEM);
09483916 1655 mem_only = 1;
285d0321
AV		 1656 }
1657
09483916
BH		 1658 if (mem_only) {
1659 if (pci_enable_device_mem(pdev))
1660 goto probe_out;
1661 } else {
1662 if (pci_enable_device(pdev))
1663 goto probe_out;
1664 }
285d0321 1665
0927678f
JB		 1666 /* This may fail but that's ok */
1667 pci_enable_pcie_error_reporting(pdev);
285d0321 1668
e315cd28
AC		 1669 ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
1670 if (!ha) {
1671 DEBUG(printk("Unable to allocate memory for ha\n"));
1672 goto probe_out;
1da177e4 1673 }
e315cd28 1674 ha->pdev = pdev;
1da177e4
LT		 1675
1676 /* Clear our data area */
285d0321 1677 ha->bars = bars;
09483916 1678 ha->mem_only = mem_only;
df4bf0bb 1679 spin_lock_init(&ha->hardware_lock);
1da177e4 1680
ea5b6382 1681 /* Set ISP-type information. */
1682 qla2x00_set_isp_flags(ha);
1da177e4
LT		 1683 /* Configure PCI I/O space */
1684 ret = qla2x00_iospace_config(ha);
a1541d5a 1685 if (ret)
e315cd28 1686 goto probe_hw_failed;
1da177e4 1687
1da177e4 1688 qla_printk(KERN_INFO, ha,
5433383e
AV		 1689 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1690 ha->iobase);
1da177e4 1691
1da177e4 1692 ha->prev_topology = 0;
fca29703 1693 ha->init_cb_size = sizeof(init_cb_t);
d8b45213 1694 ha->link_data_rate = PORT_SPEED_UNKNOWN;
854165f4 1695 ha->optrom_size = OPTROM_SIZE_2300;
1da177e4 1696
abbd8870 1697 /* Assign ISP specific operations. */
e315cd28 1698 max_id = MAX_TARGETS_2200;
1da177e4 1699 if (IS_QLA2100(ha)) {
e315cd28 1700 max_id = MAX_TARGETS_2100;
1da177e4 1701 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
e315cd28
AC		 1702 req_length = REQUEST_ENTRY_CNT_2100;
1703 rsp_length = RESPONSE_ENTRY_CNT_2100;
1704 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
abbd8870 1705 ha->gid_list_info_size = 4;
3a03eb79
AV		 1706 ha->flash_conf_off = ~0;
1707 ha->flash_data_off = ~0;
1708 ha->nvram_conf_off = ~0;
1709 ha->nvram_data_off = ~0;
fd34f556 1710 ha->isp_ops = &qla2100_isp_ops;
1da177e4 1711 } else if (IS_QLA2200(ha)) {
1da177e4 1712 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1713 req_length = REQUEST_ENTRY_CNT_2200;
1714 rsp_length = RESPONSE_ENTRY_CNT_2100;
1715 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
abbd8870 1716 ha->gid_list_info_size = 4;
3a03eb79
AV		 1717 ha->flash_conf_off = ~0;
1718 ha->flash_data_off = ~0;
1719 ha->nvram_conf_off = ~0;
1720 ha->nvram_data_off = ~0;
fd34f556 1721 ha->isp_ops = &qla2100_isp_ops;
fca29703 1722 } else if (IS_QLA23XX(ha)) {
1da177e4 1723 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1724 req_length = REQUEST_ENTRY_CNT_2200;
1725 rsp_length = RESPONSE_ENTRY_CNT_2300;
1726 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
abbd8870 1727 ha->gid_list_info_size = 6;
854165f4 1728 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1729 ha->optrom_size = OPTROM_SIZE_2322;
3a03eb79
AV		 1730 ha->flash_conf_off = ~0;
1731 ha->flash_data_off = ~0;
1732 ha->nvram_conf_off = ~0;
1733 ha->nvram_data_off = ~0;
fd34f556 1734 ha->isp_ops = &qla2300_isp_ops;
4d4df193 1735 } else if (IS_QLA24XX_TYPE(ha)) {
fca29703 1736 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1737 req_length = REQUEST_ENTRY_CNT_24XX;
1738 rsp_length = RESPONSE_ENTRY_CNT_2300;
1739 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2c3dfe3f 1740 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
fca29703 1741 ha->gid_list_info_size = 8;
854165f4 1742 ha->optrom_size = OPTROM_SIZE_24XX;
73208dfd 1743 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
fd34f556 1744 ha->isp_ops = &qla24xx_isp_ops;
3a03eb79
AV		 1745 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
1746 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
1747 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
1748 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
c3a2f0df 1749 } else if (IS_QLA25XX(ha)) {
c3a2f0df 1750 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1751 req_length = REQUEST_ENTRY_CNT_24XX;
1752 rsp_length = RESPONSE_ENTRY_CNT_2300;
1753 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
c3a2f0df 1754 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
c3a2f0df
AV		 1755 ha->gid_list_info_size = 8;
1756 ha->optrom_size = OPTROM_SIZE_25XX;
73208dfd 1757 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
c3a2f0df 1758 ha->isp_ops = &qla25xx_isp_ops;
3a03eb79
AV		 1759 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
1760 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
1761 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
1762 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
1763 } else if (IS_QLA81XX(ha)) {
1764 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1765 req_length = REQUEST_ENTRY_CNT_24XX;
1766 rsp_length = RESPONSE_ENTRY_CNT_2300;
1767 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1768 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
1769 ha->gid_list_info_size = 8;
1770 ha->optrom_size = OPTROM_SIZE_81XX;
1771 ha->isp_ops = &qla81xx_isp_ops;
1772 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
1773 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
1774 ha->nvram_conf_off = ~0;
1775 ha->nvram_data_off = ~0;
1da177e4 1776 }
1da177e4 1777
6c2f527c 1778 mutex_init(&ha->vport_lock);
0b05a1f0
MB		 1779 init_completion(&ha->mbx_cmd_comp);
1780 complete(&ha->mbx_cmd_comp);
1781 init_completion(&ha->mbx_intr_comp);
1da177e4 1782
2c3dfe3f 1783 set_bit(0, (unsigned long *) ha->vp_idx_map);
1da177e4 1784
53303c42 1785 qla2x00_config_dma_addressing(ha);
73208dfd 1786 ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
e315cd28 1787 if (!ret) {
1da177e4
LT		 1788 qla_printk(KERN_WARNING, ha,
1789 "[ERROR] Failed to allocate memory for adapter\n");
1790
e315cd28
AC		 1791 goto probe_hw_failed;
1792 }
1793
73208dfd 1794 req->max_q_depth = MAX_Q_DEPTH;
e315cd28 1795 if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
73208dfd
AC		 1796 req->max_q_depth = ql2xmaxqdepth;
1797
e315cd28
AC		 1798
1799 base_vha = qla2x00_create_host(sht, ha);
1800 if (!base_vha) {
1801 qla_printk(KERN_WARNING, ha,
1802 "[ERROR] Failed to allocate memory for scsi_host\n");
1803
a1541d5a 1804 ret = -ENOMEM;
6e9f21f3
AC		 1805 qla2x00_mem_free(ha);
1806 qla2x00_free_que(ha, req, rsp);
e315cd28 1807 goto probe_hw_failed;
1da177e4
LT		 1808 }
1809
e315cd28
AC		 1810 pci_set_drvdata(pdev, base_vha);
1811
e315cd28 1812 host = base_vha->host;
73208dfd
AC		 1813 base_vha->req_ques[0] = req->id;
1814 host->can_queue = req->length + 128;
1815 if (IS_QLA2XXX_MIDTYPE(ha))
e315cd28 1816 base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
73208dfd 1817 else
e315cd28
AC		 1818 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
1819 base_vha->vp_idx;
e315cd28
AC		 1820 if (IS_QLA2100(ha))
1821 host->sg_tablesize = 32;
1822 host->max_id = max_id;
1823 host->this_id = 255;
1824 host->cmd_per_lun = 3;
1825 host->unique_id = host->host_no;
1826 host->max_cmd_len = MAX_CMDSZ;
1827 host->max_channel = MAX_BUSES - 1;
1828 host->max_lun = MAX_LUNS;
1829 host->transportt = qla2xxx_transport_template;
1830
73208dfd
AC		 1831 /* Set up the irqs */
1832 ret = qla2x00_request_irqs(ha, rsp);
1833 if (ret)
6e9f21f3 1834 goto probe_init_failed;
73208dfd
AC		 1835 /* Alloc arrays of request and response ring ptrs */
1836 if (!qla2x00_alloc_queues(ha)) {
1837 qla_printk(KERN_WARNING, ha,
1838 "[ERROR] Failed to allocate memory for queue"
1839 " pointers\n");
6e9f21f3 1840 goto probe_init_failed;
73208dfd
AC		 1841 }
1842 ha->rsp_q_map[0] = rsp;
1843 ha->req_q_map[0] = req;
1844
08029990
AV		 1845 /* FWI2-capable only. */
1846 req->req_q_in = &ha->iobase->isp24.req_q_in;
1847 req->req_q_out = &ha->iobase->isp24.req_q_out;
1848 rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
1849 rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
17d98630 1850 if (ha->mqenable) {
08029990
AV		 1851 req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
1852 req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
1853 rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
1854 rsp->rsp_q_out = &ha->mqiobase->isp25mq.rsp_q_out;
17d98630
AC		 1855 }
1856
e315cd28 1857 if (qla2x00_initialize_adapter(base_vha)) {
1da177e4
LT		 1858 qla_printk(KERN_WARNING, ha,
1859 "Failed to initialize adapter\n");
1860
1861 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1862 "Adapter flags %x.\n",
e315cd28 1863 base_vha->host_no, base_vha->device_flags));
1da177e4 1864
a1541d5a 1865 ret = -ENODEV;
1da177e4
LT		 1866 goto probe_failed;
1867 }
1868
1869 /*
1870 * Startup the kernel thread for this host adapter
1871 */
39a11240 1872 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
e315cd28 1873 "%s_dpc", base_vha->host_str);
39a11240 1874 if (IS_ERR(ha->dpc_thread)) {
1da177e4
LT		 1875 qla_printk(KERN_WARNING, ha,
1876 "Unable to start DPC thread!\n");
39a11240 1877 ret = PTR_ERR(ha->dpc_thread);
1da177e4
LT		 1878 goto probe_failed;
1879 }
1da177e4 1880
e315cd28
AC		 1881 list_add_tail(&base_vha->list, &ha->vp_list);
1882 base_vha->host->irq = ha->pdev->irq;
1da177e4
LT		 1883
1884 /* Initialized the timer */
e315cd28 1885 qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
1da177e4
LT		 1886
1887 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
e315cd28 1888 base_vha->host_no, ha));
d19044c3 1889
e315cd28
AC		 1890 base_vha->flags.init_done = 1;
1891 base_vha->flags.online = 1;
d19044c3 1892
a1541d5a
AV		 1893 ret = scsi_add_host(host, &pdev->dev);
1894 if (ret)
1895 goto probe_failed;
1896
048feec5
AV		 1897 ha->isp_ops->enable_intrs(ha);
1898
1e99e33a
AV		 1899 scsi_scan_host(host);
1900
e315cd28 1901 qla2x00_alloc_sysfs_attr(base_vha);
a1541d5a 1902
e315cd28 1903 qla2x00_init_host_attr(base_vha);
a1541d5a 1904
e315cd28 1905 qla2x00_dfs_setup(base_vha);
df613b96 1906
1da177e4
LT		 1907 qla_printk(KERN_INFO, ha, "\n"
1908 " QLogic Fibre Channel HBA Driver: %s\n"
1909 " QLogic %s - %s\n"
5433383e
AV		 1910 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
1911 qla2x00_version_str, ha->model_number,
e315cd28
AC		 1912 ha->model_desc ? ha->model_desc : "", pdev->device,
1913 ha->isp_ops->pci_info_str(base_vha, pci_info), pci_name(pdev),
1914 ha->flags.enable_64bit_addressing ? '+' : '-', base_vha->host_no,
1915 ha->isp_ops->fw_version_str(base_vha, fw_str));
1da177e4 1916
1da177e4
LT		 1917 return 0;
1918
6e9f21f3
AC		 1919probe_init_failed:
1920 qla2x00_free_que(ha, req, rsp);
1921 ha->max_queues = 0;
1922
1da177e4 1923probe_failed:
b9978769
AV		 1924 if (base_vha->timer_active)
1925 qla2x00_stop_timer(base_vha);
1926 base_vha->flags.online = 0;
1927 if (ha->dpc_thread) {
1928 struct task_struct *t = ha->dpc_thread;
1929
1930 ha->dpc_thread = NULL;
1931 kthread_stop(t);
1932 }
1933
e315cd28 1934 qla2x00_free_device(base_vha);
1da177e4 1935
e315cd28 1936 scsi_host_put(base_vha->host);
1da177e4 1937
e315cd28
AC		 1938probe_hw_failed:
1939 if (ha->iobase)
1940 iounmap(ha->iobase);
1941
1942 pci_release_selected_regions(ha->pdev, ha->bars);
1943 kfree(ha);
1944 ha = NULL;
1da177e4 1945
a1541d5a 1946probe_out:
e315cd28 1947 pci_disable_device(pdev);
a1541d5a 1948 return ret;
1da177e4 1949}
1da177e4 1950
4c993f76 1951static void
7ee61397 1952qla2x00_remove_one(struct pci_dev *pdev)
1da177e4 1953{
e315cd28
AC		 1954 scsi_qla_host_t *base_vha, *vha, *temp;
1955 struct qla_hw_data *ha;
1956
1957 base_vha = pci_get_drvdata(pdev);
1958 ha = base_vha->hw;
1959
1960 list_for_each_entry_safe(vha, temp, &ha->vp_list, list) {
1961 if (vha && vha->fc_vport)
1962 fc_vport_terminate(vha->fc_vport);
1963 }
1da177e4 1964
e315cd28 1965 set_bit(UNLOADING, &base_vha->dpc_flags);
1da177e4 1966
b9978769
AV		 1967 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
1968
e315cd28 1969 qla2x00_dfs_remove(base_vha);
c795c1e4 1970
e315cd28 1971 qla84xx_put_chip(base_vha);
c795c1e4 1972
b9978769
AV		 1973 /* Disable timer */
1974 if (base_vha->timer_active)
1975 qla2x00_stop_timer(base_vha);
1976
1977 base_vha->flags.online = 0;
1978
1979 /* Kill the kernel thread for this host */
1980 if (ha->dpc_thread) {
1981 struct task_struct *t = ha->dpc_thread;
1982
1983 /*
1984 * qla2xxx_wake_dpc checks for ->dpc_thread
1985 * so we need to zero it out.
1986 */
1987 ha->dpc_thread = NULL;
1988 kthread_stop(t);
1989 }
1990
e315cd28 1991 qla2x00_free_sysfs_attr(base_vha);
df613b96 1992
e315cd28 1993 fc_remove_host(base_vha->host);
4d4df193 1994
e315cd28 1995 scsi_remove_host(base_vha->host);
1da177e4 1996
e315cd28 1997 qla2x00_free_device(base_vha);
bdf79621 1998
e315cd28 1999 scsi_host_put(base_vha->host);
1da177e4 2000
e315cd28
AC		 2001 if (ha->iobase)
2002 iounmap(ha->iobase);
1da177e4 2003
73208dfd
AC		 2004 if (ha->mqiobase)
2005 iounmap(ha->mqiobase);
2006
e315cd28
AC		 2007 pci_release_selected_regions(ha->pdev, ha->bars);
2008 kfree(ha);
2009 ha = NULL;
1da177e4 2010
665db93b 2011 pci_disable_device(pdev);
1da177e4
LT		 2012 pci_set_drvdata(pdev, NULL);
2013}
1da177e4
LT		 2014
2015static void
e315cd28 2016qla2x00_free_device(scsi_qla_host_t *vha)
1da177e4 2017{
e315cd28 2018 struct qla_hw_data *ha = vha->hw;
1da177e4 2019
df613b96 2020 if (ha->flags.fce_enabled)
e315cd28 2021 qla2x00_disable_fce_trace(vha, NULL, NULL);
df613b96 2022
a7a167bf 2023 if (ha->eft)
e315cd28 2024 qla2x00_disable_eft_trace(vha);
a7a167bf 2025
f6ef3b18 2026 /* Stop currently executing firmware. */
e315cd28 2027 qla2x00_try_to_stop_firmware(vha);
1da177e4 2028
f6ef3b18
AV		 2029 /* turn-off interrupts on the card */
2030 if (ha->interrupts_on)
fd34f556 2031 ha->isp_ops->disable_intrs(ha);
f6ef3b18 2032
e315cd28 2033 qla2x00_free_irqs(vha);
1da177e4 2034
e315cd28 2035 qla2x00_mem_free(ha);
73208dfd
AC		 2036
2037 qla2x00_free_queues(ha);
1da177e4
LT		 2038}
2039
d97994dc 2040static inline void
e315cd28 2041qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
d97994dc 2042 int defer)
2043{
d97994dc 2044 struct fc_rport *rport;
2045
2046 if (!fcport->rport)
2047 return;
2048
2049 rport = fcport->rport;
2050 if (defer) {
e315cd28 2051 spin_lock_irq(vha->host->host_lock);
d97994dc 2052 fcport->drport = rport;
e315cd28
AC		 2053 spin_unlock_irq(vha->host->host_lock);
2054 set_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags);
2055 qla2xxx_wake_dpc(vha);
5f3a9a20 2056 } else
d97994dc 2057 fc_remote_port_delete(rport);
d97994dc 2058}
2059
1da177e4
LT		 2060/*
2061 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
2062 *
2063 * Input: ha = adapter block pointer. fcport = port structure pointer.
2064 *
2065 * Return: None.
2066 *
2067 * Context:
2068 */
e315cd28 2069void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
d97994dc 2070 int do_login, int defer)
1da177e4 2071{
2c3dfe3f 2072 if (atomic_read(&fcport->state) == FCS_ONLINE &&
e315cd28
AC		 2073 vha->vp_idx == fcport->vp_idx) {
2074 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2075 qla2x00_schedule_rport_del(vha, fcport, defer);
2076 }
fa2a1ce5 2077 /*
1da177e4
LT		 2078 * We may need to retry the login, so don't change the state of the
2079 * port but do the retries.
2080 */
2081 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
2082 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2083
2084 if (!do_login)
2085 return;
2086
2087 if (fcport->login_retry == 0) {
e315cd28
AC		 2088 fcport->login_retry = vha->hw->login_retry_count;
2089 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1da177e4
LT		 2090
2091 DEBUG(printk("scsi(%ld): Port login retry: "
2092 "%02x%02x%02x%02x%02x%02x%02x%02x, "
2093 "id = 0x%04x retry cnt=%d\n",
e315cd28 2094 vha->host_no,
1da177e4
LT		 2095 fcport->port_name[0],
2096 fcport->port_name[1],
2097 fcport->port_name[2],
2098 fcport->port_name[3],
2099 fcport->port_name[4],
2100 fcport->port_name[5],
2101 fcport->port_name[6],
2102 fcport->port_name[7],
2103 fcport->loop_id,
2104 fcport->login_retry));
2105 }
2106}
2107
2108/*
2109 * qla2x00_mark_all_devices_lost
2110 * Updates fcport state when device goes offline.
2111 *
2112 * Input:
2113 * ha = adapter block pointer.
2114 * fcport = port structure pointer.
2115 *
2116 * Return:
2117 * None.
2118 *
2119 * Context:
2120 */
2121void
e315cd28 2122qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
1da177e4
LT		 2123{
2124 fc_port_t *fcport;
2125
e315cd28
AC		 2126 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2127 if (vha->vp_idx != fcport->vp_idx)
1da177e4 2128 continue;
1da177e4
LT		 2129 /*
2130 * No point in marking the device as lost, if the device is
2131 * already DEAD.
2132 */
2133 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
2134 continue;
e315cd28
AC		 2135 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2136 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2137 qla2x00_schedule_rport_del(vha, fcport, defer);
2138 } else
2139 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1da177e4
LT		 2140 }
2141}
2142
2143/*
2144* qla2x00_mem_alloc
2145* Allocates adapter memory.
2146*
2147* Returns:
2148* 0 = success.
e8711085 2149* !0 = failure.
1da177e4 2150*/
e8711085 2151static int
73208dfd
AC		 2152qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
2153 struct req_que **req, struct rsp_que **rsp)
1da177e4
LT		 2154{
2155 char name[16];
1da177e4 2156
e8711085 2157 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
e315cd28 2158 &ha->init_cb_dma, GFP_KERNEL);
e8711085 2159 if (!ha->init_cb)
e315cd28 2160 goto fail;
e8711085 2161
e315cd28
AC		 2162 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2163 &ha->gid_list_dma, GFP_KERNEL);
2164 if (!ha->gid_list)
e8711085 2165 goto fail_free_init_cb;
1da177e4 2166
e8711085
AV		 2167 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2168 if (!ha->srb_mempool)
e315cd28 2169 goto fail_free_gid_list;
e8711085
AV		 2170
2171 /* Get memory for cached NVRAM */
2172 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2173 if (!ha->nvram)
2174 goto fail_free_srb_mempool;
2175
e315cd28
AC		 2176 snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
2177 ha->pdev->device);
2178 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2179 DMA_POOL_SIZE, 8, 0);
2180 if (!ha->s_dma_pool)
2181 goto fail_free_nvram;
2182
e8711085
AV		 2183 /* Allocate memory for SNS commands */
2184 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
e315cd28 2185 /* Get consistent memory allocated for SNS commands */
e8711085 2186 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
e315cd28 2187 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
e8711085 2188 if (!ha->sns_cmd)
e315cd28 2189 goto fail_dma_pool;
e8711085 2190 } else {
e315cd28 2191 /* Get consistent memory allocated for MS IOCB */
e8711085 2192 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
e315cd28 2193 &ha->ms_iocb_dma);
e8711085 2194 if (!ha->ms_iocb)
e315cd28
AC		 2195 goto fail_dma_pool;
2196 /* Get consistent memory allocated for CT SNS commands */
e8711085 2197 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
e315cd28 2198 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
e8711085
AV		 2199 if (!ha->ct_sns)
2200 goto fail_free_ms_iocb;
1da177e4
LT		 2201 }
2202
e315cd28 2203 /* Allocate memory for request ring */
73208dfd
AC		 2204 *req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
2205 if (!*req) {
e315cd28
AC		 2206 DEBUG(printk("Unable to allocate memory for req\n"));
2207 goto fail_req;
2208 }
73208dfd
AC		 2209 (*req)->length = req_len;
2210 (*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
2211 ((*req)->length + 1) * sizeof(request_t),
2212 &(*req)->dma, GFP_KERNEL);
2213 if (!(*req)->ring) {
e315cd28
AC		 2214 DEBUG(printk("Unable to allocate memory for req_ring\n"));
2215 goto fail_req_ring;
2216 }
2217 /* Allocate memory for response ring */
73208dfd
AC		 2218 *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
2219 if (!*rsp) {
2220 qla_printk(KERN_WARNING, ha,
2221 "Unable to allocate memory for rsp\n");
e315cd28
AC		 2222 goto fail_rsp;
2223 }
73208dfd
AC		 2224 (*rsp)->hw = ha;
2225 (*rsp)->length = rsp_len;
2226 (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
2227 ((*rsp)->length + 1) * sizeof(response_t),
2228 &(*rsp)->dma, GFP_KERNEL);
2229 if (!(*rsp)->ring) {
2230 qla_printk(KERN_WARNING, ha,
2231 "Unable to allocate memory for rsp_ring\n");
e315cd28
AC		 2232 goto fail_rsp_ring;
2233 }
73208dfd
AC		 2234 (*req)->rsp = *rsp;
2235 (*rsp)->req = *req;
2236 /* Allocate memory for NVRAM data for vports */
2237 if (ha->nvram_npiv_size) {
2238 ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
2239 ha->nvram_npiv_size, GFP_KERNEL);
2240 if (!ha->npiv_info) {
2241 qla_printk(KERN_WARNING, ha,
2242 "Unable to allocate memory for npiv info\n");
2243 goto fail_npiv_info;
2244 }
2245 } else
2246 ha->npiv_info = NULL;
e8711085 2247
b64b0e8f
AV		 2248 /* Get consistent memory allocated for EX-INIT-CB. */
2249 if (IS_QLA81XX(ha)) {
2250 ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2251 &ha->ex_init_cb_dma);
2252 if (!ha->ex_init_cb)
2253 goto fail_ex_init_cb;
2254 }
2255
e315cd28
AC		 2256 INIT_LIST_HEAD(&ha->vp_list);
2257 return 1;
2258
b64b0e8f
AV		 2259fail_ex_init_cb:
2260 kfree(ha->npiv_info);
73208dfd
AC		 2261fail_npiv_info:
2262 dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
2263 sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
2264 (*rsp)->ring = NULL;
2265 (*rsp)->dma = 0;
e315cd28 2266fail_rsp_ring:
73208dfd 2267 kfree(*rsp);
e315cd28 2268fail_rsp:
73208dfd
AC		 2269 dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
2270 sizeof(request_t), (*req)->ring, (*req)->dma);
2271 (*req)->ring = NULL;
2272 (*req)->dma = 0;
e315cd28 2273fail_req_ring:
73208dfd 2274 kfree(*req);
e315cd28
AC		 2275fail_req:
2276 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2277 ha->ct_sns, ha->ct_sns_dma);
2278 ha->ct_sns = NULL;
2279 ha->ct_sns_dma = 0;
e8711085
AV		 2280fail_free_ms_iocb:
2281 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2282 ha->ms_iocb = NULL;
2283 ha->ms_iocb_dma = 0;
e315cd28
AC		 2284fail_dma_pool:
2285 dma_pool_destroy(ha->s_dma_pool);
2286 ha->s_dma_pool = NULL;
e8711085
AV		 2287fail_free_nvram:
2288 kfree(ha->nvram);
2289 ha->nvram = NULL;
2290fail_free_srb_mempool:
2291 mempool_destroy(ha->srb_mempool);
2292 ha->srb_mempool = NULL;
e8711085
AV		 2293fail_free_gid_list:
2294 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
e315cd28 2295 ha->gid_list_dma);
e8711085
AV		 2296 ha->gid_list = NULL;
2297 ha->gid_list_dma = 0;
e315cd28
AC		 2298fail_free_init_cb:
2299 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
2300 ha->init_cb_dma);
2301 ha->init_cb = NULL;
2302 ha->init_cb_dma = 0;
e8711085 2303fail:
e315cd28 2304 DEBUG(printk("%s: Memory allocation failure\n", __func__));
e8711085 2305 return -ENOMEM;
1da177e4
LT		 2306}
2307
2308/*
2309* qla2x00_mem_free
2310* Frees all adapter allocated memory.
2311*
2312* Input:
2313* ha = adapter block pointer.
2314*/
a824ebb3 2315static void
e315cd28 2316qla2x00_mem_free(struct qla_hw_data *ha)
1da177e4 2317{
e8711085
AV		 2318 if (ha->srb_mempool)
2319 mempool_destroy(ha->srb_mempool);
1da177e4 2320
df613b96
AV		 2321 if (ha->fce)
2322 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
e315cd28 2323 ha->fce_dma);
df613b96 2324
a7a167bf
AV		 2325 if (ha->fw_dump) {
2326 if (ha->eft)
2327 dma_free_coherent(&ha->pdev->dev,
e315cd28 2328 ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
a7a167bf
AV		 2329 vfree(ha->fw_dump);
2330 }
2331
1da177e4
LT		 2332 if (ha->sns_cmd)
2333 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
e315cd28 2334 ha->sns_cmd, ha->sns_cmd_dma);
1da177e4
LT		 2335
2336 if (ha->ct_sns)
2337 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
e315cd28 2338 ha->ct_sns, ha->ct_sns_dma);
1da177e4 2339
88729e53
AV		 2340 if (ha->sfp_data)
2341 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2342
ad0ecd61
JC		 2343 if (ha->edc_data)
2344 dma_pool_free(ha->s_dma_pool, ha->edc_data, ha->edc_data_dma);
2345
1da177e4
LT		 2346 if (ha->ms_iocb)
2347 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2348
b64b0e8f
AV		 2349 if (ha->ex_init_cb)
2350 dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
2351
1da177e4
LT		 2352 if (ha->s_dma_pool)
2353 dma_pool_destroy(ha->s_dma_pool);
2354
1da177e4
LT		 2355 if (ha->gid_list)
2356 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
e315cd28 2357 ha->gid_list_dma);
1da177e4 2358
e315cd28
AC		 2359 if (ha->init_cb)
2360 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2361 ha->init_cb, ha->init_cb_dma);
2362 vfree(ha->optrom_buffer);
2363 kfree(ha->nvram);
73208dfd 2364 kfree(ha->npiv_info);
1da177e4 2365
e8711085 2366 ha->srb_mempool = NULL;
a7a167bf
AV		 2367 ha->eft = NULL;
2368 ha->eft_dma = 0;
1da177e4
LT		 2369 ha->sns_cmd = NULL;
2370 ha->sns_cmd_dma = 0;
2371 ha->ct_sns = NULL;
2372 ha->ct_sns_dma = 0;
2373 ha->ms_iocb = NULL;
2374 ha->ms_iocb_dma = 0;
1da177e4
LT		 2375 ha->init_cb = NULL;
2376 ha->init_cb_dma = 0;
b64b0e8f
AV		 2377 ha->ex_init_cb = NULL;
2378 ha->ex_init_cb_dma = 0;
1da177e4
LT		 2379
2380 ha->s_dma_pool = NULL;
2381
1da177e4
LT		 2382 ha->gid_list = NULL;
2383 ha->gid_list_dma = 0;
2384
e315cd28
AC		 2385 ha->fw_dump = NULL;
2386 ha->fw_dumped = 0;
2387 ha->fw_dump_reading = 0;
e315cd28 2388}
1da177e4 2389
e315cd28
AC		 2390struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
2391 struct qla_hw_data *ha)
2392{
2393 struct Scsi_Host *host;
2394 struct scsi_qla_host *vha = NULL;
854165f4 2395
e315cd28
AC		 2396 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
2397 if (host == NULL) {
2398 printk(KERN_WARNING
2399 "qla2xxx: Couldn't allocate host from scsi layer!\n");
2400 goto fail;
2401 }
2402
2403 /* Clear our data area */
2404 vha = shost_priv(host);
2405 memset(vha, 0, sizeof(scsi_qla_host_t));
2406
2407 vha->host = host;
2408 vha->host_no = host->host_no;
2409 vha->hw = ha;
2410
2411 INIT_LIST_HEAD(&vha->vp_fcports);
2412 INIT_LIST_HEAD(&vha->work_list);
2413 INIT_LIST_HEAD(&vha->list);
2414
2415 sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
2416 return vha;
2417
2418fail:
2419 return vha;
1da177e4
LT		 2420}
2421
01ef66bb 2422static struct qla_work_evt *
e315cd28 2423qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type,
0971de7f
AV		 2424 int locked)
2425{
2426 struct qla_work_evt *e;
2427
2428 e = kzalloc(sizeof(struct qla_work_evt), locked ? GFP_ATOMIC:
2429 GFP_KERNEL);
2430 if (!e)
2431 return NULL;
2432
2433 INIT_LIST_HEAD(&e->list);
2434 e->type = type;
2435 e->flags = QLA_EVT_FLAG_FREE;
2436 return e;
2437}
2438
01ef66bb 2439static int
e315cd28 2440qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e, int locked)
0971de7f 2441{
bf6583b5 2442 unsigned long uninitialized_var(flags);
e315cd28 2443 struct qla_hw_data *ha = vha->hw;
0971de7f
AV		 2444
2445 if (!locked)
e315cd28
AC		 2446 spin_lock_irqsave(&ha->hardware_lock, flags);
2447 list_add_tail(&e->list, &vha->work_list);
2448 qla2xxx_wake_dpc(vha);
0971de7f 2449 if (!locked)
e315cd28 2450 spin_unlock_irqrestore(&ha->hardware_lock, flags);
0971de7f
AV		 2451 return QLA_SUCCESS;
2452}
2453
2454int
e315cd28 2455qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
0971de7f
AV		 2456 u32 data)
2457{
2458 struct qla_work_evt *e;
2459
e315cd28 2460 e = qla2x00_alloc_work(vha, QLA_EVT_AEN, 1);
0971de7f
AV		 2461 if (!e)
2462 return QLA_FUNCTION_FAILED;
2463
2464 e->u.aen.code = code;
2465 e->u.aen.data = data;
e315cd28 2466 return qla2x00_post_work(vha, e, 1);
0971de7f
AV		 2467}
2468
8a659571
AV		 2469int
2470qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
2471{
2472 struct qla_work_evt *e;
2473
2474 e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK, 1);
2475 if (!e)
2476 return QLA_FUNCTION_FAILED;
2477
2478 memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
2479 return qla2x00_post_work(vha, e, 1);
2480}
2481
0971de7f 2482static void
e315cd28 2483qla2x00_do_work(struct scsi_qla_host *vha)
0971de7f
AV		 2484{
2485 struct qla_work_evt *e;
e315cd28 2486 struct qla_hw_data *ha = vha->hw;
0971de7f 2487
e315cd28
AC		 2488 spin_lock_irq(&ha->hardware_lock);
2489 while (!list_empty(&vha->work_list)) {
2490 e = list_entry(vha->work_list.next, struct qla_work_evt, list);
0971de7f 2491 list_del_init(&e->list);
e315cd28 2492 spin_unlock_irq(&ha->hardware_lock);
0971de7f
AV		 2493
2494 switch (e->type) {
2495 case QLA_EVT_AEN:
e315cd28 2496 fc_host_post_event(vha->host, fc_get_event_number(),
0971de7f
AV		 2497 e->u.aen.code, e->u.aen.data);
2498 break;
8a659571
AV		 2499 case QLA_EVT_IDC_ACK:
2500 qla81xx_idc_ack(vha, e->u.idc_ack.mb);
2501 break;
0971de7f
AV		 2502 }
2503 if (e->flags & QLA_EVT_FLAG_FREE)
2504 kfree(e);
e315cd28
AC		 2505 spin_lock_irq(&ha->hardware_lock);
2506 }
2507 spin_unlock_irq(&ha->hardware_lock);
2508}
2509/* Relogins all the fcports of a vport
2510 * Context: dpc thread
2511 */
2512void qla2x00_relogin(struct scsi_qla_host *vha)
2513{
2514 fc_port_t *fcport;
c6b2fca8 2515 int status;
e315cd28
AC		 2516 uint16_t next_loopid = 0;
2517 struct qla_hw_data *ha = vha->hw;
2518
2519 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2520 /*
2521 * If the port is not ONLINE then try to login
2522 * to it if we haven't run out of retries.
2523 */
2524 if (atomic_read(&fcport->state) !=
2525 FCS_ONLINE && fcport->login_retry) {
2526
2527 if (fcport->flags & FCF_FABRIC_DEVICE) {
2528 if (fcport->flags & FCF_TAPE_PRESENT)
2529 ha->isp_ops->fabric_logout(vha,
2530 fcport->loop_id,
2531 fcport->d_id.b.domain,
2532 fcport->d_id.b.area,
2533 fcport->d_id.b.al_pa);
2534
2535 status = qla2x00_fabric_login(vha, fcport,
2536 &next_loopid);
2537 } else
2538 status = qla2x00_local_device_login(vha,
2539 fcport);
2540
2541 fcport->login_retry--;
2542 if (status == QLA_SUCCESS) {
2543 fcport->old_loop_id = fcport->loop_id;
2544
2545 DEBUG(printk("scsi(%ld): port login OK: logged "
2546 "in ID 0x%x\n", vha->host_no, fcport->loop_id));
2547
2548 qla2x00_update_fcport(vha, fcport);
2549
2550 } else if (status == 1) {
2551 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2552 /* retry the login again */
2553 DEBUG(printk("scsi(%ld): Retrying"
2554 " %d login again loop_id 0x%x\n",
2555 vha->host_no, fcport->login_retry,
2556 fcport->loop_id));
2557 } else {
2558 fcport->login_retry = 0;
2559 }
2560
2561 if (fcport->login_retry == 0 && status != QLA_SUCCESS)
2562 fcport->loop_id = FC_NO_LOOP_ID;
2563 }
2564 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2565 break;
0971de7f 2566 }
0971de7f
AV		 2567}
2568
1da177e4
LT		 2569/**************************************************************************
2570* qla2x00_do_dpc
2571* This kernel thread is a task that is schedule by the interrupt handler
2572* to perform the background processing for interrupts.
2573*
2574* Notes:
2575* This task always run in the context of a kernel thread. It
2576* is kick-off by the driver's detect code and starts up
2577* up one per adapter. It immediately goes to sleep and waits for
2578* some fibre event. When either the interrupt handler or
2579* the timer routine detects a event it will one of the task
2580* bits then wake us up.
2581**************************************************************************/
2582static int
2583qla2x00_do_dpc(void *data)
2584{
2c3dfe3f 2585 int rval;
e315cd28
AC		 2586 scsi_qla_host_t *base_vha;
2587 struct qla_hw_data *ha;
1da177e4 2588
e315cd28
AC		 2589 ha = (struct qla_hw_data *)data;
2590 base_vha = pci_get_drvdata(ha->pdev);
1da177e4 2591
1da177e4
LT		 2592 set_user_nice(current, -20);
2593
39a11240 2594 while (!kthread_should_stop()) {
1da177e4
LT		 2595 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2596
39a11240
CH		 2597 set_current_state(TASK_INTERRUPTIBLE);
2598 schedule();
2599 __set_current_state(TASK_RUNNING);
1da177e4
LT		 2600
2601 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2602
2603 /* Initialization not yet finished. Don't do anything yet. */
e315cd28 2604 if (!base_vha->flags.init_done)
1da177e4
LT		 2605 continue;
2606
e315cd28 2607 DEBUG3(printk("scsi(%ld): DPC handler\n", base_vha->host_no));
1da177e4
LT		 2608
2609 ha->dpc_active = 1;
2610
1da177e4 2611 if (ha->flags.mbox_busy) {
1da177e4
LT		 2612 ha->dpc_active = 0;
2613 continue;
2614 }
2615
e315cd28 2616 qla2x00_do_work(base_vha);
0971de7f 2617
e315cd28
AC		 2618 if (test_and_clear_bit(ISP_ABORT_NEEDED,
2619 &base_vha->dpc_flags)) {
1da177e4
LT		 2620
2621 DEBUG(printk("scsi(%ld): dpc: sched "
2622 "qla2x00_abort_isp ha = %p\n",
e315cd28 2623 base_vha->host_no, ha));
1da177e4 2624 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
e315cd28 2625 &base_vha->dpc_flags))) {
1da177e4 2626
e315cd28 2627 if (qla2x00_abort_isp(base_vha)) {
1da177e4
LT		 2628 /* failed. retry later */
2629 set_bit(ISP_ABORT_NEEDED,
e315cd28 2630 &base_vha->dpc_flags);
99363ef8 2631 }
e315cd28
AC		 2632 clear_bit(ABORT_ISP_ACTIVE,
2633 &base_vha->dpc_flags);
99363ef8
SJ		 2634 }
2635
1da177e4 2636 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
e315cd28 2637 base_vha->host_no));
1da177e4
LT		 2638 }
2639
e315cd28
AC		 2640 if (test_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags)) {
2641 qla2x00_update_fcports(base_vha);
2642 clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
c9c5ced9 2643 }
d97994dc 2644
e315cd28
AC		 2645 if (test_and_clear_bit(RESET_MARKER_NEEDED,
2646 &base_vha->dpc_flags) &&
2647 (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
1da177e4
LT		 2648
2649 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
e315cd28 2650 base_vha->host_no));
1da177e4 2651
e315cd28
AC		 2652 qla2x00_rst_aen(base_vha);
2653 clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
1da177e4
LT		 2654 }
2655
2656 /* Retry each device up to login retry count */
e315cd28
AC		 2657 if ((test_and_clear_bit(RELOGIN_NEEDED,
2658 &base_vha->dpc_flags)) &&
2659 !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
2660 atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
1da177e4
LT		 2661
2662 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
e315cd28
AC		 2663 base_vha->host_no));
2664 qla2x00_relogin(base_vha);
2665
1da177e4 2666 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
e315cd28 2667 base_vha->host_no));
1da177e4
LT		 2668 }
2669
e315cd28
AC		 2670 if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
2671 &base_vha->dpc_flags)) {
1da177e4
LT		 2672
2673 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
e315cd28 2674 base_vha->host_no));
1da177e4
LT		 2675
2676 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
e315cd28 2677 &base_vha->dpc_flags))) {
1da177e4 2678
e315cd28 2679 rval = qla2x00_loop_resync(base_vha);
1da177e4 2680
e315cd28
AC		 2681 clear_bit(LOOP_RESYNC_ACTIVE,
2682 &base_vha->dpc_flags);
1da177e4
LT		 2683 }
2684
2685 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
e315cd28 2686 base_vha->host_no));
1da177e4
LT		 2687 }
2688
e315cd28
AC		 2689 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
2690 atomic_read(&base_vha->loop_state) == LOOP_READY) {
2691 clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
2692 qla2xxx_flash_npiv_conf(base_vha);
272976ca
AV		 2693 }
2694
1da177e4 2695 if (!ha->interrupts_on)
fd34f556 2696 ha->isp_ops->enable_intrs(ha);
1da177e4 2697
e315cd28
AC		 2698 if (test_and_clear_bit(BEACON_BLINK_NEEDED,
2699 &base_vha->dpc_flags))
2700 ha->isp_ops->beacon_blink(base_vha);
f6df144c 2701
e315cd28 2702 qla2x00_do_dpc_all_vps(base_vha);
2c3dfe3f 2703
1da177e4
LT		 2704 ha->dpc_active = 0;
2705 } /* End of while(1) */
2706
e315cd28 2707 DEBUG(printk("scsi(%ld): DPC handler exiting\n", base_vha->host_no));
1da177e4
LT		 2708
2709 /*
2710 * Make sure that nobody tries to wake us up again.
2711 */
1da177e4
LT		 2712 ha->dpc_active = 0;
2713
39a11240
CH		 2714 return 0;
2715}
2716
2717void
e315cd28 2718qla2xxx_wake_dpc(struct scsi_qla_host *vha)
39a11240 2719{
e315cd28 2720 struct qla_hw_data *ha = vha->hw;
c795c1e4
AV		 2721 struct task_struct *t = ha->dpc_thread;
2722
e315cd28 2723 if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
c795c1e4 2724 wake_up_process(t);
1da177e4
LT		 2725}
2726
1da177e4
LT		 2727/*
2728* qla2x00_rst_aen
2729* Processes asynchronous reset.
2730*
2731* Input:
2732* ha = adapter block pointer.
2733*/
2734static void
e315cd28 2735qla2x00_rst_aen(scsi_qla_host_t *vha)
1da177e4 2736{
e315cd28
AC		 2737 if (vha->flags.online && !vha->flags.reset_active &&
2738 !atomic_read(&vha->loop_down_timer) &&
2739 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
1da177e4 2740 do {
e315cd28 2741 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
1da177e4
LT		 2742
2743 /*
2744 * Issue marker command only when we are going to start
2745 * the I/O.
2746 */
e315cd28
AC		 2747 vha->marker_needed = 1;
2748 } while (!atomic_read(&vha->loop_down_timer) &&
2749 (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
1da177e4
LT		 2750 }
2751}
2752
f4f051eb 2753static void
e315cd28 2754qla2x00_sp_free_dma(srb_t *sp)
f4f051eb 2755{
2756 struct scsi_cmnd *cmd = sp->cmd;
2757
2758 if (sp->flags & SRB_DMA_VALID) {
385d70b4 2759 scsi_dma_unmap(cmd);
f4f051eb 2760 sp->flags &= ~SRB_DMA_VALID;
2761 }
fca29703 2762 CMD_SP(cmd) = NULL;
f4f051eb 2763}
2764
2765void
73208dfd 2766qla2x00_sp_compl(struct qla_hw_data *ha, srb_t *sp)
f4f051eb 2767{
2768 struct scsi_cmnd *cmd = sp->cmd;
2769
e315cd28 2770 qla2x00_sp_free_dma(sp);
f4f051eb 2771
f4f051eb 2772 mempool_free(sp, ha->srb_mempool);
2773
2774 cmd->scsi_done(cmd);
2775}
bdf79621 2776
1da177e4
LT		 2777/**************************************************************************
2778* qla2x00_timer
2779*
2780* Description:
2781* One second timer
2782*
2783* Context: Interrupt
2784***************************************************************************/
2c3dfe3f 2785void
e315cd28 2786qla2x00_timer(scsi_qla_host_t *vha)
1da177e4 2787{
1da177e4
LT		 2788 unsigned long cpu_flags = 0;
2789 fc_port_t *fcport;
1da177e4
LT		 2790 int start_dpc = 0;
2791 int index;
2792 srb_t *sp;
f4f051eb 2793 int t;
e315cd28 2794 struct qla_hw_data *ha = vha->hw;
73208dfd 2795 struct req_que *req;
1da177e4
LT		 2796 /*
2797 * Ports - Port down timer.
2798 *
2799 * Whenever, a port is in the LOST state we start decrementing its port
2800 * down timer every second until it reaches zero. Once it reaches zero
fa2a1ce5 2801 * the port it marked DEAD.
1da177e4
LT		 2802 */
2803 t = 0;
e315cd28 2804 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1da177e4
LT		 2805 if (fcport->port_type != FCT_TARGET)
2806 continue;
2807
2808 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2809
2810 if (atomic_read(&fcport->port_down_timer) == 0)
2811 continue;
2812
fa2a1ce5 2813 if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
1da177e4 2814 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
fa2a1ce5 2815
1da177e4 2816 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
fca29703 2817 "%d remaining\n",
e315cd28 2818 vha->host_no,
1da177e4
LT		 2819 t, atomic_read(&fcport->port_down_timer)));
2820 }
2821 t++;
2822 } /* End of for fcport */
2823
1da177e4
LT		 2824
2825 /* Loop down handler. */
e315cd28
AC		 2826 if (atomic_read(&vha->loop_down_timer) > 0 &&
2827 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
2828 && vha->flags.online) {
1da177e4 2829
e315cd28
AC		 2830 if (atomic_read(&vha->loop_down_timer) ==
2831 vha->loop_down_abort_time) {
1da177e4
LT		 2832
2833 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2834 "queues before time expire\n",
e315cd28 2835 vha->host_no));
1da177e4 2836
e315cd28
AC		 2837 if (!IS_QLA2100(ha) && vha->link_down_timeout)
2838 atomic_set(&vha->loop_state, LOOP_DEAD);
1da177e4
LT		 2839
2840 /* Schedule an ISP abort to return any tape commands. */
2c3dfe3f 2841 /* NPIV - scan physical port only */
e315cd28 2842 if (!vha->vp_idx) {
2c3dfe3f
SJ		 2843 spin_lock_irqsave(&ha->hardware_lock,
2844 cpu_flags);
73208dfd 2845 req = ha->req_q_map[0];
2c3dfe3f
SJ		 2846 for (index = 1;
2847 index < MAX_OUTSTANDING_COMMANDS;
2848 index++) {
2849 fc_port_t *sfcp;
2850
e315cd28 2851 sp = req->outstanding_cmds[index];
2c3dfe3f
SJ		 2852 if (!sp)
2853 continue;
2854 sfcp = sp->fcport;
2855 if (!(sfcp->flags & FCF_TAPE_PRESENT))
2856 continue;
bdf79621 2857
2c3dfe3f 2858 set_bit(ISP_ABORT_NEEDED,
e315cd28 2859 &vha->dpc_flags);
2c3dfe3f
SJ		 2860 break;
2861 }
2862 spin_unlock_irqrestore(&ha->hardware_lock,
e315cd28 2863 cpu_flags);
1da177e4 2864 }
1da177e4
LT		 2865 start_dpc++;
2866 }
2867
2868 /* if the loop has been down for 4 minutes, reinit adapter */
e315cd28 2869 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
e315cd28
AC		 2870 if (!(vha->device_flags & DFLG_NO_CABLE) &&
2871 !vha->vp_idx) {
1da177e4
LT		 2872 DEBUG(printk("scsi(%ld): Loop down - "
2873 "aborting ISP.\n",
e315cd28 2874 vha->host_no));
1da177e4
LT		 2875 qla_printk(KERN_WARNING, ha,
2876 "Loop down - aborting ISP.\n");
2877
e315cd28 2878 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 2879 }
2880 }
fca29703 2881 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
e315cd28
AC		 2882 vha->host_no,
2883 atomic_read(&vha->loop_down_timer)));
1da177e4
LT		 2884 }
2885
f6df144c 2886 /* Check if beacon LED needs to be blinked */
2887 if (ha->beacon_blink_led == 1) {
e315cd28 2888 set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
f6df144c 2889 start_dpc++;
2890 }
2891
550bf57d 2892 /* Process any deferred work. */
e315cd28 2893 if (!list_empty(&vha->work_list))
550bf57d
AV		 2894 start_dpc++;
2895
1da177e4 2896 /* Schedule the DPC routine if needed */
e315cd28
AC		 2897 if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
2898 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
2899 test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
1da177e4 2900 start_dpc ||
e315cd28
AC		 2901 test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
2902 test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
2903 test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
2904 test_bit(RELOGIN_NEEDED, &vha->dpc_flags)))
2905 qla2xxx_wake_dpc(vha);
1da177e4 2906
e315cd28 2907 qla2x00_restart_timer(vha, WATCH_INTERVAL);
1da177e4
LT		 2908}
2909
5433383e
AV		 2910/* Firmware interface routines. */
2911
3a03eb79 2912#define FW_BLOBS 7
5433383e
AV		 2913#define FW_ISP21XX 0
2914#define FW_ISP22XX 1
2915#define FW_ISP2300 2
2916#define FW_ISP2322 3
48c02fde 2917#define FW_ISP24XX 4
c3a2f0df 2918#define FW_ISP25XX 5
3a03eb79 2919#define FW_ISP81XX 6
5433383e 2920
bb8ee499
AV		 2921#define FW_FILE_ISP21XX "ql2100_fw.bin"
2922#define FW_FILE_ISP22XX "ql2200_fw.bin"
2923#define FW_FILE_ISP2300 "ql2300_fw.bin"
2924#define FW_FILE_ISP2322 "ql2322_fw.bin"
2925#define FW_FILE_ISP24XX "ql2400_fw.bin"
c3a2f0df 2926#define FW_FILE_ISP25XX "ql2500_fw.bin"
3a03eb79 2927#define FW_FILE_ISP81XX "ql8100_fw.bin"
bb8ee499 2928
e1e82b6f 2929static DEFINE_MUTEX(qla_fw_lock);
5433383e
AV		 2930
2931static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
bb8ee499
AV		 2932 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
2933 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
2934 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
2935 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
2936 { .name = FW_FILE_ISP24XX, },
c3a2f0df 2937 { .name = FW_FILE_ISP25XX, },
3a03eb79 2938 { .name = FW_FILE_ISP81XX, },
5433383e
AV		 2939};
2940
2941struct fw_blob *
e315cd28 2942qla2x00_request_firmware(scsi_qla_host_t *vha)
5433383e 2943{
e315cd28 2944 struct qla_hw_data *ha = vha->hw;
5433383e
AV		 2945 struct fw_blob *blob;
2946
2947 blob = NULL;
2948 if (IS_QLA2100(ha)) {
2949 blob = &qla_fw_blobs[FW_ISP21XX];
2950 } else if (IS_QLA2200(ha)) {
2951 blob = &qla_fw_blobs[FW_ISP22XX];
48c02fde 2952 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
5433383e 2953 blob = &qla_fw_blobs[FW_ISP2300];
48c02fde 2954 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
5433383e 2955 blob = &qla_fw_blobs[FW_ISP2322];
4d4df193 2956 } else if (IS_QLA24XX_TYPE(ha)) {
5433383e 2957 blob = &qla_fw_blobs[FW_ISP24XX];
c3a2f0df
AV		 2958 } else if (IS_QLA25XX(ha)) {
2959 blob = &qla_fw_blobs[FW_ISP25XX];
3a03eb79
AV		 2960 } else if (IS_QLA81XX(ha)) {
2961 blob = &qla_fw_blobs[FW_ISP81XX];
5433383e
AV		 2962 }
2963
e1e82b6f 2964 mutex_lock(&qla_fw_lock);
5433383e
AV		 2965 if (blob->fw)
2966 goto out;
2967
2968 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
2969 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
e315cd28 2970 "(%s).\n", vha->host_no, blob->name));
5433383e
AV		 2971 blob->fw = NULL;
2972 blob = NULL;
2973 goto out;
2974 }
2975
2976out:
e1e82b6f 2977 mutex_unlock(&qla_fw_lock);
5433383e
AV		 2978 return blob;
2979}
2980
2981static void
2982qla2x00_release_firmware(void)
2983{
2984 int idx;
2985
e1e82b6f 2986 mutex_lock(&qla_fw_lock);
5433383e
AV		 2987 for (idx = 0; idx < FW_BLOBS; idx++)
2988 if (qla_fw_blobs[idx].fw)
2989 release_firmware(qla_fw_blobs[idx].fw);
e1e82b6f 2990 mutex_unlock(&qla_fw_lock);
5433383e
AV		 2991}
2992
14e660e6
SJ		 2993static pci_ers_result_t
2994qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
2995{
b9b12f73
SJ		 2996 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
2997
14e660e6
SJ		 2998 switch (state) {
2999 case pci_channel_io_normal:
3000 return PCI_ERS_RESULT_CAN_RECOVER;
3001 case pci_channel_io_frozen:
3002 pci_disable_device(pdev);
3003 return PCI_ERS_RESULT_NEED_RESET;
3004 case pci_channel_io_perm_failure:
b9b12f73 3005 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
14e660e6
SJ		 3006 return PCI_ERS_RESULT_DISCONNECT;
3007 }
3008 return PCI_ERS_RESULT_NEED_RESET;
3009}
3010
3011static pci_ers_result_t
3012qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
3013{
3014 int risc_paused = 0;
3015 uint32_t stat;
3016 unsigned long flags;
e315cd28
AC		 3017 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3018 struct qla_hw_data *ha = base_vha->hw;
14e660e6
SJ		 3019 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3020 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
3021
3022 spin_lock_irqsave(&ha->hardware_lock, flags);
3023 if (IS_QLA2100(ha) || IS_QLA2200(ha)){
3024 stat = RD_REG_DWORD(&reg->hccr);
3025 if (stat & HCCR_RISC_PAUSE)
3026 risc_paused = 1;
3027 } else if (IS_QLA23XX(ha)) {
3028 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
3029 if (stat & HSR_RISC_PAUSED)
3030 risc_paused = 1;
3031 } else if (IS_FWI2_CAPABLE(ha)) {
3032 stat = RD_REG_DWORD(&reg24->host_status);
3033 if (stat & HSRX_RISC_PAUSED)
3034 risc_paused = 1;
3035 }
3036 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3037
3038 if (risc_paused) {
3039 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
3040 "Dumping firmware!\n");
e315cd28 3041 ha->isp_ops->fw_dump(base_vha, 0);
14e660e6
SJ		 3042
3043 return PCI_ERS_RESULT_NEED_RESET;
3044 } else
3045 return PCI_ERS_RESULT_RECOVERED;
3046}
3047
3048static pci_ers_result_t
3049qla2xxx_pci_slot_reset(struct pci_dev *pdev)
3050{
3051 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
e315cd28
AC		 3052 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3053 struct qla_hw_data *ha = base_vha->hw;
09483916
BH		 3054 int rc;
3055
3056 if (ha->mem_only)
3057 rc = pci_enable_device_mem(pdev);
3058 else
3059 rc = pci_enable_device(pdev);
14e660e6 3060
09483916 3061 if (rc) {
14e660e6
SJ		 3062 qla_printk(KERN_WARNING, ha,
3063 "Can't re-enable PCI device after reset.\n");
3064
3065 return ret;
3066 }
3067 pci_set_master(pdev);
3068
e315cd28 3069 if (ha->isp_ops->pci_config(base_vha))
14e660e6
SJ		 3070 return ret;
3071
e315cd28
AC		 3072 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3073 if (qla2x00_abort_isp(base_vha) == QLA_SUCCESS)
14e660e6 3074 ret = PCI_ERS_RESULT_RECOVERED;
e315cd28 3075 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
14e660e6
SJ		 3076
3077 return ret;
3078}
3079
3080static void
3081qla2xxx_pci_resume(struct pci_dev *pdev)
3082{
e315cd28
AC		 3083 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3084 struct qla_hw_data *ha = base_vha->hw;
14e660e6
SJ		 3085 int ret;
3086
e315cd28 3087 ret = qla2x00_wait_for_hba_online(base_vha);
14e660e6
SJ		 3088 if (ret != QLA_SUCCESS) {
3089 qla_printk(KERN_ERR, ha,
3090 "the device failed to resume I/O "
3091 "from slot/link_reset");
3092 }
3093 pci_cleanup_aer_uncorrect_error_status(pdev);
3094}
3095
3096static struct pci_error_handlers qla2xxx_err_handler = {
3097 .error_detected = qla2xxx_pci_error_detected,
3098 .mmio_enabled = qla2xxx_pci_mmio_enabled,
3099 .slot_reset = qla2xxx_pci_slot_reset,
3100 .resume = qla2xxx_pci_resume,
3101};
3102
5433383e 3103static struct pci_device_id qla2xxx_pci_tbl[] = {
47f5e069
AV		 3104 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
3105 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
3106 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
3107 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
3108 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
3109 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
3110 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
3111 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
3112 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
4d4df193 3113 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
47f5e069
AV		 3114 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
3115 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
c3a2f0df 3116 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
3a03eb79 3117 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
5433383e
AV		 3118 { 0 },
3119};
3120MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
3121
fca29703 3122static struct pci_driver qla2xxx_pci_driver = {
cb63067a 3123 .name = QLA2XXX_DRIVER_NAME,
0a21ef1e
JB		 3124 .driver = {
3125 .owner = THIS_MODULE,
3126 },
fca29703 3127 .id_table = qla2xxx_pci_tbl,
7ee61397 3128 .probe = qla2x00_probe_one,
4c993f76 3129 .remove = qla2x00_remove_one,
14e660e6 3130 .err_handler = &qla2xxx_err_handler,
fca29703
AV		 3131};
3132
1da177e4
LT		 3133/**
3134 * qla2x00_module_init - Module initialization.
3135 **/
3136static int __init
3137qla2x00_module_init(void)
3138{
fca29703
AV		 3139 int ret = 0;
3140
1da177e4 3141 /* Allocate cache for SRBs. */
354d6b21 3142 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
20c2df83 3143 SLAB_HWCACHE_ALIGN, NULL);
1da177e4
LT		 3144 if (srb_cachep == NULL) {
3145 printk(KERN_ERR
3146 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
3147 return -ENOMEM;
3148 }
3149
3150 /* Derive version string. */
3151 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
11010fec 3152 if (ql2xextended_error_logging)
0181944f
AV		 3153 strcat(qla2x00_version_str, "-debug");
3154
1c97a12a
AV		 3155 qla2xxx_transport_template =
3156 fc_attach_transport(&qla2xxx_transport_functions);
2c3dfe3f
SJ		 3157 if (!qla2xxx_transport_template) {
3158 kmem_cache_destroy(srb_cachep);
1da177e4 3159 return -ENODEV;
2c3dfe3f
SJ		 3160 }
3161 qla2xxx_transport_vport_template =
3162 fc_attach_transport(&qla2xxx_transport_vport_functions);
3163 if (!qla2xxx_transport_vport_template) {
3164 kmem_cache_destroy(srb_cachep);
3165 fc_release_transport(qla2xxx_transport_template);
1da177e4 3166 return -ENODEV;
2c3dfe3f 3167 }
1da177e4 3168
fd9a29f0
AV		 3169 printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n",
3170 qla2x00_version_str);
7ee61397 3171 ret = pci_register_driver(&qla2xxx_pci_driver);
fca29703
AV		 3172 if (ret) {
3173 kmem_cache_destroy(srb_cachep);
3174 fc_release_transport(qla2xxx_transport_template);
2c3dfe3f 3175 fc_release_transport(qla2xxx_transport_vport_template);
fca29703
AV		 3176 }
3177 return ret;
1da177e4
LT		 3178}
3179
3180/**
3181 * qla2x00_module_exit - Module cleanup.
3182 **/
3183static void __exit
3184qla2x00_module_exit(void)
3185{
7ee61397 3186 pci_unregister_driver(&qla2xxx_pci_driver);
5433383e 3187 qla2x00_release_firmware();
354d6b21 3188 kmem_cache_destroy(srb_cachep);
1da177e4 3189 fc_release_transport(qla2xxx_transport_template);
2c3dfe3f 3190 fc_release_transport(qla2xxx_transport_vport_template);
1da177e4
LT		 3191}
3192
3193module_init(qla2x00_module_init);
3194module_exit(qla2x00_module_exit);
3195
3196MODULE_AUTHOR("QLogic Corporation");
3197MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
3198MODULE_LICENSE("GPL");
3199MODULE_VERSION(QLA2XXX_VERSION);
bb8ee499
AV		 3200MODULE_FIRMWARE(FW_FILE_ISP21XX);
3201MODULE_FIRMWARE(FW_FILE_ISP22XX);
3202MODULE_FIRMWARE(FW_FILE_ISP2300);
3203MODULE_FIRMWARE(FW_FILE_ISP2322);
3204MODULE_FIRMWARE(FW_FILE_ISP24XX);
61623fc3 3205MODULE_FIRMWARE(FW_FILE_ISP25XX);
3a03eb79 3206MODULE_FIRMWARE(FW_FILE_ISP81XX);
Linux kernel - Deliverables
This page took 0.633896 seconds and 5 git commands to generate.