]> bbs.cooldavid.org Git - net-next-2.6.git/blame - drivers/scsi/qla2xxx/qla_os.c
git://bbs.cooldavid.org / net-next-2.6.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
[SCSI] qla2xxx: Correct queue-creation bug when driver loaded in QoS mode.
[net-next-2.6.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
a13d8ac0
MR		 80int ql2xqfulltracking = 1;
81module_param(ql2xqfulltracking, int, S_IRUGO|S_IWUSR);
82MODULE_PARM_DESC(ql2xqfulltracking,
83 "Controls whether the driver tracks queue full status "
84 "returns and dynamically adjusts a scsi device's queue "
85 "depth. Default is 1, perform tracking. Set to 0 to "
86 "disable dynamic tracking and adjustment of queue depth.");
87
df7baa50
AV		 88int ql2xqfullrampup = 120;
89module_param(ql2xqfullrampup, int, S_IRUGO|S_IWUSR);
90MODULE_PARM_DESC(ql2xqfullrampup,
91 "Number of seconds to wait to begin to ramp-up the queue "
92 "depth for a device after a queue-full condition has been "
93 "detected. Default is 120 seconds.");
94
e5896bd5
AV		 95int ql2xiidmaenable=1;
96module_param(ql2xiidmaenable, int, S_IRUGO|S_IRUSR);
97MODULE_PARM_DESC(ql2xiidmaenable,
98 "Enables iIDMA settings "
99 "Default is 1 - perform iIDMA. 0 - no iIDMA.");
100
73208dfd
AC		 101int ql2xmaxqueues = 1;
102module_param(ql2xmaxqueues, int, S_IRUGO|S_IRUSR);
103MODULE_PARM_DESC(ql2xmaxqueues,
104 "Enables MQ settings "
105 "Default is 1 for single queue. Set it to number \
106 of queues in MQ mode.");
68ca949c
AC		 107
108int ql2xmultique_tag;
109module_param(ql2xmultique_tag, int, S_IRUGO|S_IRUSR);
110MODULE_PARM_DESC(ql2xmultique_tag,
111 "Enables CPU affinity settings for the driver "
112 "Default is 0 for no affinity of request and response IO. "
113 "Set it to 1 to turn on the cpu affinity.");
e337d907
AV		 114
115int ql2xfwloadbin;
116module_param(ql2xfwloadbin, int, S_IRUGO|S_IRUSR);
117MODULE_PARM_DESC(ql2xfwloadbin,
118 "Option to specify location from which to load ISP firmware:\n"
119 " 2 -- load firmware via the request_firmware() (hotplug)\n"
120 " interface.\n"
121 " 1 -- load firmware from flash.\n"
122 " 0 -- use default semantics.\n");
123
1da177e4 124/*
fa2a1ce5 125 * SCSI host template entry points
1da177e4
LT		 126 */
127static int qla2xxx_slave_configure(struct scsi_device * device);
f4f051eb 128static int qla2xxx_slave_alloc(struct scsi_device *);
1e99e33a
AV		 129static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
130static void qla2xxx_scan_start(struct Scsi_Host *);
f4f051eb 131static void qla2xxx_slave_destroy(struct scsi_device *);
a5326f86 132static int qla2xxx_queuecommand(struct scsi_cmnd *cmd,
fca29703 133 void (*fn)(struct scsi_cmnd *));
1da177e4
LT		 134static int qla2xxx_eh_abort(struct scsi_cmnd *);
135static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
523ec773 136static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
1da177e4
LT		 137static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
138static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
1da177e4 139
ce7e4af7
AV		 140static int qla2x00_change_queue_depth(struct scsi_device *, int);
141static int qla2x00_change_queue_type(struct scsi_device *, int);
142
a5326f86 143struct scsi_host_template qla2xxx_driver_template = {
1da177e4 144 .module = THIS_MODULE,
cb63067a 145 .name = QLA2XXX_DRIVER_NAME,
a5326f86 146 .queuecommand = qla2xxx_queuecommand,
fca29703
AV		 147
148 .eh_abort_handler = qla2xxx_eh_abort,
149 .eh_device_reset_handler = qla2xxx_eh_device_reset,
523ec773 150 .eh_target_reset_handler = qla2xxx_eh_target_reset,
fca29703
AV		 151 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
152 .eh_host_reset_handler = qla2xxx_eh_host_reset,
153
154 .slave_configure = qla2xxx_slave_configure,
155
156 .slave_alloc = qla2xxx_slave_alloc,
157 .slave_destroy = qla2xxx_slave_destroy,
ed677086
AV		 158 .scan_finished = qla2xxx_scan_finished,
159 .scan_start = qla2xxx_scan_start,
ce7e4af7
AV		 160 .change_queue_depth = qla2x00_change_queue_depth,
161 .change_queue_type = qla2x00_change_queue_type,
fca29703
AV		 162 .this_id = -1,
163 .cmd_per_lun = 3,
164 .use_clustering = ENABLE_CLUSTERING,
165 .sg_tablesize = SG_ALL,
166
167 .max_sectors = 0xFFFF,
afb046e2 168 .shost_attrs = qla2x00_host_attrs,
fca29703
AV		 169};
170
1da177e4 171static struct scsi_transport_template *qla2xxx_transport_template = NULL;
2c3dfe3f 172struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
1da177e4 173
1da177e4
LT		 174/* TODO Convert to inlines
175 *
176 * Timer routines
177 */
1da177e4 178
2c3dfe3f 179__inline__ void
e315cd28 180qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval)
1da177e4 181{
e315cd28
AC		 182 init_timer(&vha->timer);
183 vha->timer.expires = jiffies + interval * HZ;
184 vha->timer.data = (unsigned long)vha;
185 vha->timer.function = (void (*)(unsigned long))func;
186 add_timer(&vha->timer);
187 vha->timer_active = 1;
1da177e4
LT		 188}
189
190static inline void
e315cd28 191qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
1da177e4 192{
e315cd28 193 mod_timer(&vha->timer, jiffies + interval * HZ);
1da177e4
LT		 194}
195
a824ebb3 196static __inline__ void
e315cd28 197qla2x00_stop_timer(scsi_qla_host_t *vha)
1da177e4 198{
e315cd28
AC		 199 del_timer_sync(&vha->timer);
200 vha->timer_active = 0;
1da177e4
LT		 201}
202
1da177e4
LT		 203static int qla2x00_do_dpc(void *data);
204
205static void qla2x00_rst_aen(scsi_qla_host_t *);
206
73208dfd
AC		 207static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
208 struct req_que **, struct rsp_que **);
e315cd28
AC		 209static void qla2x00_mem_free(struct qla_hw_data *);
210static void qla2x00_sp_free_dma(srb_t *);
1da177e4 211
1da177e4 212/* -------------------------------------------------------------------------- */
73208dfd
AC		 213static int qla2x00_alloc_queues(struct qla_hw_data *ha)
214{
2afa19a9 215 ha->req_q_map = kzalloc(sizeof(struct req_que *) * ha->max_req_queues,
73208dfd
AC		 216 GFP_KERNEL);
217 if (!ha->req_q_map) {
218 qla_printk(KERN_WARNING, ha,
219 "Unable to allocate memory for request queue ptrs\n");
220 goto fail_req_map;
221 }
222
2afa19a9 223 ha->rsp_q_map = kzalloc(sizeof(struct rsp_que *) * ha->max_rsp_queues,
73208dfd
AC		 224 GFP_KERNEL);
225 if (!ha->rsp_q_map) {
226 qla_printk(KERN_WARNING, ha,
227 "Unable to allocate memory for response queue ptrs\n");
228 goto fail_rsp_map;
229 }
230 set_bit(0, ha->rsp_qid_map);
231 set_bit(0, ha->req_qid_map);
232 return 1;
233
234fail_rsp_map:
235 kfree(ha->req_q_map);
236 ha->req_q_map = NULL;
237fail_req_map:
238 return -ENOMEM;
239}
240
2afa19a9 241static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
73208dfd 242{
73208dfd
AC		 243 if (req && req->ring)
244 dma_free_coherent(&ha->pdev->dev,
245 (req->length + 1) * sizeof(request_t),
246 req->ring, req->dma);
247
248 kfree(req);
249 req = NULL;
250}
251
2afa19a9
AC		 252static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
253{
254 if (rsp && rsp->ring)
255 dma_free_coherent(&ha->pdev->dev,
256 (rsp->length + 1) * sizeof(response_t),
257 rsp->ring, rsp->dma);
258
259 kfree(rsp);
260 rsp = NULL;
261}
262
73208dfd
AC		 263static void qla2x00_free_queues(struct qla_hw_data *ha)
264{
265 struct req_que *req;
266 struct rsp_que *rsp;
267 int cnt;
268
2afa19a9 269 for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
73208dfd 270 req = ha->req_q_map[cnt];
2afa19a9 271 qla2x00_free_req_que(ha, req);
73208dfd 272 }
73208dfd
AC		 273 kfree(ha->req_q_map);
274 ha->req_q_map = NULL;
2afa19a9
AC		 275
276 for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
277 rsp = ha->rsp_q_map[cnt];
278 qla2x00_free_rsp_que(ha, rsp);
279 }
280 kfree(ha->rsp_q_map);
281 ha->rsp_q_map = NULL;
73208dfd
AC		 282}
283
68ca949c
AC		 284static int qla25xx_setup_mode(struct scsi_qla_host *vha)
285{
286 uint16_t options = 0;
287 int ques, req, ret;
288 struct qla_hw_data *ha = vha->hw;
289
290 if (ql2xmultique_tag) {
291 /* CPU affinity mode */
292 ha->wq = create_workqueue("qla2xxx_wq");
293 /* create a request queue for IO */
294 options |= BIT_7;
295 req = qla25xx_create_req_que(ha, options, 0, 0, -1,
296 QLA_DEFAULT_QUE_QOS);
297 if (!req) {
298 qla_printk(KERN_WARNING, ha,
299 "Can't create request queue\n");
300 goto fail;
301 }
302 vha->req = ha->req_q_map[req];
303 options |= BIT_1;
304 for (ques = 1; ques < ha->max_rsp_queues; ques++) {
305 ret = qla25xx_create_rsp_que(ha, options, 0, 0, req);
306 if (!ret) {
307 qla_printk(KERN_WARNING, ha,
308 "Response Queue create failed\n");
309 goto fail2;
310 }
311 }
312 DEBUG2(qla_printk(KERN_INFO, ha,
313 "CPU affinity mode enabled, no. of response"
314 " queues:%d, no. of request queues:%d\n",
315 ha->max_rsp_queues, ha->max_req_queues));
316 }
317 return 0;
318fail2:
319 qla25xx_delete_queues(vha);
320fail:
321 ha->mqenable = 0;
322 return 1;
323}
324
1da177e4 325static char *
e315cd28 326qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
1da177e4 327{
e315cd28 328 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 329 static char *pci_bus_modes[] = {
330 "33", "66", "100", "133",
331 };
332 uint16_t pci_bus;
333
334 strcpy(str, "PCI");
335 pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
336 if (pci_bus) {
337 strcat(str, "-X (");
338 strcat(str, pci_bus_modes[pci_bus]);
339 } else {
340 pci_bus = (ha->pci_attr & BIT_8) >> 8;
341 strcat(str, " (");
342 strcat(str, pci_bus_modes[pci_bus]);
343 }
344 strcat(str, " MHz)");
345
346 return (str);
347}
348
fca29703 349static char *
e315cd28 350qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
fca29703
AV		 351{
352 static char *pci_bus_modes[] = { "33", "66", "100", "133", };
e315cd28 353 struct qla_hw_data *ha = vha->hw;
fca29703
AV		 354 uint32_t pci_bus;
355 int pcie_reg;
356
357 pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
358 if (pcie_reg) {
359 char lwstr[6];
360 uint16_t pcie_lstat, lspeed, lwidth;
361
362 pcie_reg += 0x12;
363 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
364 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
365 lwidth = (pcie_lstat &
366 (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
367
368 strcpy(str, "PCIe (");
369 if (lspeed == 1)
c87a0d8c 370 strcat(str, "2.5GT/s ");
c3a2f0df 371 else if (lspeed == 2)
c87a0d8c 372 strcat(str, "5.0GT/s ");
fca29703
AV		 373 else
374 strcat(str, "<unknown> ");
375 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
376 strcat(str, lwstr);
377
378 return str;
379 }
380
381 strcpy(str, "PCI");
382 pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
383 if (pci_bus == 0 || pci_bus == 8) {
384 strcat(str, " (");
385 strcat(str, pci_bus_modes[pci_bus >> 3]);
386 } else {
387 strcat(str, "-X ");
388 if (pci_bus & BIT_2)
389 strcat(str, "Mode 2");
390 else
391 strcat(str, "Mode 1");
392 strcat(str, " (");
393 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
394 }
395 strcat(str, " MHz)");
396
397 return str;
398}
399
e5f82ab8 400static char *
e315cd28 401qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str)
1da177e4
LT		 402{
403 char un_str[10];
e315cd28 404 struct qla_hw_data *ha = vha->hw;
fa2a1ce5 405
1da177e4
LT		 406 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
407 ha->fw_minor_version,
408 ha->fw_subminor_version);
409
410 if (ha->fw_attributes & BIT_9) {
411 strcat(str, "FLX");
412 return (str);
413 }
414
415 switch (ha->fw_attributes & 0xFF) {
416 case 0x7:
417 strcat(str, "EF");
418 break;
419 case 0x17:
420 strcat(str, "TP");
421 break;
422 case 0x37:
423 strcat(str, "IP");
424 break;
425 case 0x77:
426 strcat(str, "VI");
427 break;
428 default:
429 sprintf(un_str, "(%x)", ha->fw_attributes);
430 strcat(str, un_str);
431 break;
432 }
433 if (ha->fw_attributes & 0x100)
434 strcat(str, "X");
435
436 return (str);
437}
438
e5f82ab8 439static char *
e315cd28 440qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str)
fca29703 441{
e315cd28 442 struct qla_hw_data *ha = vha->hw;
f0883ac6 443
3a03eb79
AV		 444 sprintf(str, "%d.%02d.%02d (%x)", ha->fw_major_version,
445 ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
fca29703 446 return str;
fca29703
AV		 447}
448
449static inline srb_t *
e315cd28 450qla2x00_get_new_sp(scsi_qla_host_t *vha, fc_port_t *fcport,
fca29703
AV		 451 struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
452{
453 srb_t *sp;
e315cd28 454 struct qla_hw_data *ha = vha->hw;
fca29703
AV		 455
456 sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
457 if (!sp)
458 return sp;
459
fca29703
AV		 460 sp->fcport = fcport;
461 sp->cmd = cmd;
462 sp->flags = 0;
463 CMD_SP(cmd) = (void *)sp;
464 cmd->scsi_done = done;
465
466 return sp;
467}
468
1da177e4 469static int
a5326f86 470qla2xxx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
fca29703 471{
e315cd28 472 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
fca29703 473 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
19a7b4ae 474 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
e315cd28
AC		 475 struct qla_hw_data *ha = vha->hw;
476 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
fca29703
AV		 477 srb_t *sp;
478 int rval;
479
e315cd28 480 if (unlikely(pci_channel_offline(ha->pdev))) {
b9b12f73
SJ		 481 if (ha->pdev->error_state == pci_channel_io_frozen)
482 cmd->result = DID_REQUEUE << 16;
483 else
484 cmd->result = DID_NO_CONNECT << 16;
14e660e6
SJ		 485 goto qc24_fail_command;
486 }
487
19a7b4ae
JSEC		 488 rval = fc_remote_port_chkready(rport);
489 if (rval) {
490 cmd->result = rval;
fca29703
AV		 491 goto qc24_fail_command;
492 }
493
387f96b4 494 /* Close window on fcport/rport state-transitioning. */
7b594131
MC		 495 if (fcport->drport)
496 goto qc24_target_busy;
387f96b4 497
fca29703
AV		 498 if (atomic_read(&fcport->state) != FCS_ONLINE) {
499 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
e315cd28 500 atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
fca29703
AV		 501 cmd->result = DID_NO_CONNECT << 16;
502 goto qc24_fail_command;
503 }
7b594131 504 goto qc24_target_busy;
fca29703
AV		 505 }
506
e315cd28 507 spin_unlock_irq(vha->host->host_lock);
fca29703 508
e315cd28 509 sp = qla2x00_get_new_sp(base_vha, fcport, cmd, done);
fca29703
AV		 510 if (!sp)
511 goto qc24_host_busy_lock;
512
e315cd28 513 rval = ha->isp_ops->start_scsi(sp);
fca29703
AV		 514 if (rval != QLA_SUCCESS)
515 goto qc24_host_busy_free_sp;
516
e315cd28 517 spin_lock_irq(vha->host->host_lock);
fca29703
AV		 518
519 return 0;
520
521qc24_host_busy_free_sp:
e315cd28
AC		 522 qla2x00_sp_free_dma(sp);
523 mempool_free(sp, ha->srb_mempool);
fca29703
AV		 524
525qc24_host_busy_lock:
e315cd28 526 spin_lock_irq(vha->host->host_lock);
fca29703
AV		 527 return SCSI_MLQUEUE_HOST_BUSY;
528
7b594131
MC		 529qc24_target_busy:
530 return SCSI_MLQUEUE_TARGET_BUSY;
531
fca29703
AV		 532qc24_fail_command:
533 done(cmd);
534
535 return 0;
536}
537
538
1da177e4
LT		 539/*
540 * qla2x00_eh_wait_on_command
541 * Waits for the command to be returned by the Firmware for some
542 * max time.
543 *
544 * Input:
1da177e4 545 * cmd = Scsi Command to wait on.
1da177e4
LT		 546 *
547 * Return:
548 * Not Found : 0
549 * Found : 1
550 */
551static int
e315cd28 552qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
1da177e4 553{
fe74c71f
AV		 554#define ABORT_POLLING_PERIOD 1000
555#define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
f4f051eb
AV		 556 unsigned long wait_iter = ABORT_WAIT_ITER;
557 int ret = QLA_SUCCESS;
1da177e4 558
f4f051eb 559 while (CMD_SP(cmd)) {
fe74c71f 560 msleep(ABORT_POLLING_PERIOD);
1da177e4 561
f4f051eb
AV		 562 if (--wait_iter)
563 break;
564 }
565 if (CMD_SP(cmd))
566 ret = QLA_FUNCTION_FAILED;
1da177e4 567
f4f051eb 568 return ret;
1da177e4
LT		 569}
570
571/*
572 * qla2x00_wait_for_hba_online
fa2a1ce5 573 * Wait till the HBA is online after going through
1da177e4
LT		 574 * <= MAX_RETRIES_OF_ISP_ABORT or
575 * finally HBA is disabled ie marked offline
576 *
577 * Input:
578 * ha - pointer to host adapter structure
fa2a1ce5
AV		 579 *
580 * Note:
1da177e4
LT		 581 * Does context switching-Release SPIN_LOCK
582 * (if any) before calling this routine.
583 *
584 * Return:
585 * Success (Adapter is online) : 0
586 * Failed (Adapter is offline/disabled) : 1
587 */
854165f4 588int
e315cd28 589qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
1da177e4 590{
fca29703
AV		 591 int return_status;
592 unsigned long wait_online;
e315cd28
AC		 593 struct qla_hw_data *ha = vha->hw;
594 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1da177e4 595
fa2a1ce5 596 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
e315cd28
AC		 597 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
598 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
599 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
600 ha->dpc_active) && time_before(jiffies, wait_online)) {
1da177e4
LT		 601
602 msleep(1000);
603 }
e315cd28 604 if (base_vha->flags.online)
fa2a1ce5 605 return_status = QLA_SUCCESS;
1da177e4
LT		 606 else
607 return_status = QLA_FUNCTION_FAILED;
608
1da177e4
LT		 609 return (return_status);
610}
611
2533cf67
LC		 612int
613qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
614{
615 int return_status;
616 unsigned long wait_reset;
617 struct qla_hw_data *ha = vha->hw;
618 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
619
620 wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
621 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
622 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
623 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
624 ha->dpc_active) && time_before(jiffies, wait_reset)) {
625
626 msleep(1000);
627
628 if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
629 ha->flags.chip_reset_done)
630 break;
631 }
632 if (ha->flags.chip_reset_done)
633 return_status = QLA_SUCCESS;
634 else
635 return_status = QLA_FUNCTION_FAILED;
636
637 return return_status;
638}
639
1da177e4
LT		 640/*
641 * qla2x00_wait_for_loop_ready
642 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
fa2a1ce5 643 * to be in LOOP_READY state.
1da177e4
LT		 644 * Input:
645 * ha - pointer to host adapter structure
fa2a1ce5
AV		 646 *
647 * Note:
1da177e4
LT		 648 * Does context switching-Release SPIN_LOCK
649 * (if any) before calling this routine.
fa2a1ce5 650 *
1da177e4
LT		 651 *
652 * Return:
653 * Success (LOOP_READY) : 0
654 * Failed (LOOP_NOT_READY) : 1
655 */
fa2a1ce5 656static inline int
e315cd28 657qla2x00_wait_for_loop_ready(scsi_qla_host_t *vha)
1da177e4
LT		 658{
659 int return_status = QLA_SUCCESS;
660 unsigned long loop_timeout ;
e315cd28
AC		 661 struct qla_hw_data *ha = vha->hw;
662 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1da177e4
LT		 663
664 /* wait for 5 min at the max for loop to be ready */
fa2a1ce5 665 loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1da177e4 666
e315cd28
AC		 667 while ((!atomic_read(&base_vha->loop_down_timer) &&
668 atomic_read(&base_vha->loop_state) == LOOP_DOWN) ||
669 atomic_read(&base_vha->loop_state) != LOOP_READY) {
670 if (atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
57680080
RA		 671 return_status = QLA_FUNCTION_FAILED;
672 break;
673 }
1da177e4
LT		 674 msleep(1000);
675 if (time_after_eq(jiffies, loop_timeout)) {
676 return_status = QLA_FUNCTION_FAILED;
677 break;
678 }
679 }
fa2a1ce5 680 return (return_status);
1da177e4
LT		 681}
682
5f3a9a20
SJ		 683void
684qla2x00_abort_fcport_cmds(fc_port_t *fcport)
685{
2afa19a9 686 int cnt;
5f3a9a20
SJ		 687 unsigned long flags;
688 srb_t *sp;
e315cd28
AC		 689 scsi_qla_host_t *vha = fcport->vha;
690 struct qla_hw_data *ha = vha->hw;
73208dfd 691 struct req_que *req;
5f3a9a20 692
e315cd28 693 spin_lock_irqsave(&ha->hardware_lock, flags);
2afa19a9
AC		 694 req = vha->req;
695 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
696 sp = req->outstanding_cmds[cnt];
697 if (!sp)
698 continue;
699 if (sp->fcport != fcport)
5f3a9a20
SJ		 700 continue;
701
2afa19a9
AC		 702 spin_unlock_irqrestore(&ha->hardware_lock, flags);
703 if (ha->isp_ops->abort_command(sp)) {
704 DEBUG2(qla_printk(KERN_WARNING, ha,
705 "Abort failed -- %lx\n",
706 sp->cmd->serial_number));
707 } else {
708 if (qla2x00_eh_wait_on_command(sp->cmd) !=
709 QLA_SUCCESS)
5f3a9a20 710 DEBUG2(qla_printk(KERN_WARNING, ha,
2afa19a9 711 "Abort failed while waiting -- %lx\n",
73208dfd 712 sp->cmd->serial_number));
5f3a9a20 713 }
2afa19a9 714 spin_lock_irqsave(&ha->hardware_lock, flags);
5f3a9a20 715 }
e315cd28 716 spin_unlock_irqrestore(&ha->hardware_lock, flags);
5f3a9a20
SJ		 717}
718
07db5183
AV		 719static void
720qla2x00_block_error_handler(struct scsi_cmnd *cmnd)
721{
722 struct Scsi_Host *shost = cmnd->device->host;
723 struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device));
724 unsigned long flags;
725
726 spin_lock_irqsave(shost->host_lock, flags);
727 while (rport->port_state == FC_PORTSTATE_BLOCKED) {
728 spin_unlock_irqrestore(shost->host_lock, flags);
729 msleep(1000);
730 spin_lock_irqsave(shost->host_lock, flags);
731 }
732 spin_unlock_irqrestore(shost->host_lock, flags);
733 return;
734}
735
1da177e4
LT		 736/**************************************************************************
737* qla2xxx_eh_abort
738*
739* Description:
740* The abort function will abort the specified command.
741*
742* Input:
743* cmd = Linux SCSI command packet to be aborted.
744*
745* Returns:
746* Either SUCCESS or FAILED.
747*
748* Note:
2ea00202 749* Only return FAILED if command not returned by firmware.
1da177e4 750**************************************************************************/
e5f82ab8 751static int
1da177e4
LT		 752qla2xxx_eh_abort(struct scsi_cmnd *cmd)
753{
e315cd28 754 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
f4f051eb 755 srb_t *sp;
17d98630 756 int ret, i;
f4f051eb
AV		 757 unsigned int id, lun;
758 unsigned long serial;
18e144d3 759 unsigned long flags;
2ea00202 760 int wait = 0;
e315cd28 761 struct qla_hw_data *ha = vha->hw;
67c2e93a 762 struct req_que *req = vha->req;
17d98630 763 srb_t *spt;
1da177e4 764
07db5183
AV		 765 qla2x00_block_error_handler(cmd);
766
f4f051eb 767 if (!CMD_SP(cmd))
2ea00202 768 return SUCCESS;
1da177e4 769
2ea00202 770 ret = SUCCESS;
1da177e4 771
f4f051eb
AV		 772 id = cmd->device->id;
773 lun = cmd->device->lun;
774 serial = cmd->serial_number;
17d98630
AC		 775 spt = (srb_t *) CMD_SP(cmd);
776 if (!spt)
777 return SUCCESS;
1da177e4 778
f4f051eb 779 /* Check active list for command command. */
e315cd28 780 spin_lock_irqsave(&ha->hardware_lock, flags);
17d98630
AC		 781 for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
782 sp = req->outstanding_cmds[i];
1da177e4 783
17d98630
AC		 784 if (sp == NULL)
785 continue;
1da177e4 786
17d98630
AC		 787 if (sp->cmd != cmd)
788 continue;
1da177e4 789
17d98630
AC		 790 DEBUG2(printk("%s(%ld): aborting sp %p from RISC."
791 " pid=%ld.\n", __func__, vha->host_no, sp, serial));
792
793 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2afa19a9 794 if (ha->isp_ops->abort_command(sp)) {
17d98630
AC		 795 DEBUG2(printk("%s(%ld): abort_command "
796 "mbx failed.\n", __func__, vha->host_no));
2ac4b64f 797 ret = FAILED;
17d98630
AC		 798 } else {
799 DEBUG3(printk("%s(%ld): abort_command "
800 "mbx success.\n", __func__, vha->host_no));
801 wait = 1;
73208dfd 802 }
17d98630
AC		 803 spin_lock_irqsave(&ha->hardware_lock, flags);
804 break;
f4f051eb 805 }
e315cd28 806 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1da177e4 807
f4f051eb 808 /* Wait for the command to be returned. */
2ea00202 809 if (wait) {
e315cd28 810 if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
fa2a1ce5 811 qla_printk(KERN_ERR, ha,
f4f051eb 812 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
e315cd28 813 "%x.\n", vha->host_no, id, lun, serial, ret);
2ea00202 814 ret = FAILED;
f4f051eb 815 }
1da177e4 816 }
1da177e4 817
fa2a1ce5 818 qla_printk(KERN_INFO, ha,
2ea00202 819 "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
e315cd28 820 vha->host_no, id, lun, wait, serial, ret);
1da177e4 821
f4f051eb
AV		 822 return ret;
823}
1da177e4 824
523ec773
AV		 825enum nexus_wait_type {
826 WAIT_HOST = 0,
827 WAIT_TARGET,
828 WAIT_LUN,
829};
830
f4f051eb 831static int
e315cd28 832qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
17d98630 833 unsigned int l, srb_t *sp, enum nexus_wait_type type)
f4f051eb 834{
17d98630 835 int cnt, match, status;
18e144d3 836 unsigned long flags;
e315cd28 837 struct qla_hw_data *ha = vha->hw;
73208dfd 838 struct req_que *req;
1da177e4 839
523ec773 840 status = QLA_SUCCESS;
17d98630
AC		 841 if (!sp)
842 return status;
843
e315cd28 844 spin_lock_irqsave(&ha->hardware_lock, flags);
67c2e93a 845 req = vha->req;
17d98630
AC		 846 for (cnt = 1; status == QLA_SUCCESS &&
847 cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
848 sp = req->outstanding_cmds[cnt];
849 if (!sp)
523ec773 850 continue;
19851f13 851
17d98630
AC		 852 if (vha->vp_idx != sp->fcport->vha->vp_idx)
853 continue;
854 match = 0;
855 switch (type) {
856 case WAIT_HOST:
857 match = 1;
858 break;
859 case WAIT_TARGET:
860 match = sp->cmd->device->id == t;
861 break;
862 case WAIT_LUN:
863 match = (sp->cmd->device->id == t &&
864 sp->cmd->device->lun == l);
865 break;
73208dfd 866 }
17d98630
AC		 867 if (!match)
868 continue;
869
870 spin_unlock_irqrestore(&ha->hardware_lock, flags);
871 status = qla2x00_eh_wait_on_command(sp->cmd);
872 spin_lock_irqsave(&ha->hardware_lock, flags);
1da177e4 873 }
e315cd28 874 spin_unlock_irqrestore(&ha->hardware_lock, flags);
523ec773
AV		 875
876 return status;
1da177e4
LT		 877}
878
523ec773
AV		 879static char *reset_errors[] = {
880 "HBA not online",
881 "HBA not ready",
882 "Task management failed",
883 "Waiting for command completions",
884};
1da177e4 885
e5f82ab8 886static int
523ec773 887__qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
2afa19a9 888 struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int, int))
1da177e4 889{
e315cd28 890 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
bdf79621 891 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
523ec773 892 int err;
1da177e4 893
07db5183
AV		 894 qla2x00_block_error_handler(cmd);
895
b0328bee 896 if (!fcport)
523ec773 897 return FAILED;
1da177e4 898
e315cd28
AC		 899 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET ISSUED.\n",
900 vha->host_no, cmd->device->id, cmd->device->lun, name);
1da177e4 901
523ec773 902 err = 0;
e315cd28 903 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
523ec773
AV		 904 goto eh_reset_failed;
905 err = 1;
e315cd28 906 if (qla2x00_wait_for_loop_ready(vha) != QLA_SUCCESS)
523ec773
AV		 907 goto eh_reset_failed;
908 err = 2;
2afa19a9
AC		 909 if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
910 != QLA_SUCCESS)
523ec773
AV		 911 goto eh_reset_failed;
912 err = 3;
e315cd28 913 if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
17d98630 914 cmd->device->lun, (srb_t *) CMD_SP(cmd), type) != QLA_SUCCESS)
523ec773
AV		 915 goto eh_reset_failed;
916
e315cd28
AC		 917 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n",
918 vha->host_no, cmd->device->id, cmd->device->lun, name);
523ec773
AV		 919
920 return SUCCESS;
921
922 eh_reset_failed:
e315cd28
AC		 923 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n"
924 , vha->host_no, cmd->device->id, cmd->device->lun, name,
523ec773
AV		 925 reset_errors[err]);
926 return FAILED;
927}
1da177e4 928
523ec773
AV		 929static int
930qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
931{
e315cd28
AC		 932 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
933 struct qla_hw_data *ha = vha->hw;
1da177e4 934
523ec773
AV		 935 return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
936 ha->isp_ops->lun_reset);
1da177e4
LT		 937}
938
1da177e4 939static int
523ec773 940qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1da177e4 941{
e315cd28
AC		 942 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
943 struct qla_hw_data *ha = vha->hw;
1da177e4 944
523ec773
AV		 945 return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
946 ha->isp_ops->target_reset);
1da177e4
LT		 947}
948
1da177e4
LT		 949/**************************************************************************
950* qla2xxx_eh_bus_reset
951*
952* Description:
953* The bus reset function will reset the bus and abort any executing
954* commands.
955*
956* Input:
957* cmd = Linux SCSI command packet of the command that cause the
958* bus reset.
959*
960* Returns:
961* SUCCESS/FAILURE (defined as macro in scsi.h).
962*
963**************************************************************************/
e5f82ab8 964static int
1da177e4
LT		 965qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
966{
e315cd28 967 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
bdf79621 968 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
2c3dfe3f 969 int ret = FAILED;
f4f051eb
AV		 970 unsigned int id, lun;
971 unsigned long serial;
17d98630 972 srb_t *sp = (srb_t *) CMD_SP(cmd);
f4f051eb 973
07db5183
AV		 974 qla2x00_block_error_handler(cmd);
975
f4f051eb
AV		 976 id = cmd->device->id;
977 lun = cmd->device->lun;
978 serial = cmd->serial_number;
1da177e4 979
b0328bee 980 if (!fcport)
f4f051eb 981 return ret;
1da177e4 982
e315cd28 983 qla_printk(KERN_INFO, vha->hw,
749af3d5 984 "scsi(%ld:%d:%d): BUS RESET ISSUED.\n", vha->host_no, id, lun);
1da177e4 985
e315cd28 986 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1da177e4 987 DEBUG2(printk("%s failed:board disabled\n",__func__));
f4f051eb 988 goto eh_bus_reset_done;
1da177e4
LT		 989 }
990
e315cd28
AC		 991 if (qla2x00_wait_for_loop_ready(vha) == QLA_SUCCESS) {
992 if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
f4f051eb 993 ret = SUCCESS;
1da177e4 994 }
f4f051eb
AV		 995 if (ret == FAILED)
996 goto eh_bus_reset_done;
1da177e4 997
9a41a62b 998 /* Flush outstanding commands. */
17d98630 999 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) !=
523ec773 1000 QLA_SUCCESS)
9a41a62b 1001 ret = FAILED;
1da177e4 1002
f4f051eb 1003eh_bus_reset_done:
e315cd28 1004 qla_printk(KERN_INFO, vha->hw, "%s: reset %s\n", __func__,
f4f051eb 1005 (ret == FAILED) ? "failed" : "succeded");
1da177e4 1006
f4f051eb 1007 return ret;
1da177e4
LT		 1008}
1009
1010/**************************************************************************
1011* qla2xxx_eh_host_reset
1012*
1013* Description:
1014* The reset function will reset the Adapter.
1015*
1016* Input:
1017* cmd = Linux SCSI command packet of the command that cause the
1018* adapter reset.
1019*
1020* Returns:
1021* Either SUCCESS or FAILED.
1022*
1023* Note:
1024**************************************************************************/
e5f82ab8 1025static int
1da177e4
LT		 1026qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1027{
e315cd28 1028 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
bdf79621 1029 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
e315cd28 1030 struct qla_hw_data *ha = vha->hw;
2c3dfe3f 1031 int ret = FAILED;
f4f051eb
AV		 1032 unsigned int id, lun;
1033 unsigned long serial;
17d98630 1034 srb_t *sp = (srb_t *) CMD_SP(cmd);
e315cd28 1035 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1da177e4 1036
07db5183
AV		 1037 qla2x00_block_error_handler(cmd);
1038
f4f051eb
AV		 1039 id = cmd->device->id;
1040 lun = cmd->device->lun;
1041 serial = cmd->serial_number;
1042
b0328bee 1043 if (!fcport)
f4f051eb 1044 return ret;
1da177e4 1045
1da177e4 1046 qla_printk(KERN_INFO, ha,
e315cd28 1047 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", vha->host_no, id, lun);
1da177e4 1048
e315cd28 1049 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
f4f051eb 1050 goto eh_host_reset_lock;
1da177e4
LT		 1051
1052 /*
1053 * Fixme-may be dpc thread is active and processing
fa2a1ce5 1054 * loop_resync,so wait a while for it to
1da177e4
LT		 1055 * be completed and then issue big hammer.Otherwise
1056 * it may cause I/O failure as big hammer marks the
1057 * devices as lost kicking of the port_down_timer
1058 * while dpc is stuck for the mailbox to complete.
1059 */
e315cd28
AC		 1060 qla2x00_wait_for_loop_ready(vha);
1061 if (vha != base_vha) {
1062 if (qla2x00_vp_abort_isp(vha))
f4f051eb 1063 goto eh_host_reset_lock;
e315cd28 1064 } else {
68ca949c
AC		 1065 if (ha->wq)
1066 flush_workqueue(ha->wq);
1067
e315cd28
AC		 1068 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1069 if (qla2x00_abort_isp(base_vha)) {
1070 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1071 /* failed. schedule dpc to try */
1072 set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1073
1074 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
1075 goto eh_host_reset_lock;
1076 }
1077 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
fa2a1ce5 1078 }
1da177e4 1079
e315cd28 1080 /* Waiting for command to be returned to OS.*/
17d98630 1081 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) ==
e315cd28 1082 QLA_SUCCESS)
f4f051eb 1083 ret = SUCCESS;
1da177e4 1084
f4f051eb 1085eh_host_reset_lock:
f4f051eb
AV		 1086 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1087 (ret == FAILED) ? "failed" : "succeded");
1da177e4 1088
f4f051eb
AV		 1089 return ret;
1090}
1da177e4
LT		 1091
1092/*
1093* qla2x00_loop_reset
1094* Issue loop reset.
1095*
1096* Input:
1097* ha = adapter block pointer.
1098*
1099* Returns:
1100* 0 = success
1101*/
a4722cf2 1102int
e315cd28 1103qla2x00_loop_reset(scsi_qla_host_t *vha)
1da177e4 1104{
0c8c39af 1105 int ret;
bdf79621 1106 struct fc_port *fcport;
e315cd28 1107 struct qla_hw_data *ha = vha->hw;
1da177e4 1108
d53b48d5
SJ		 1109 if (ha->flags.enable_lip_full_login && !vha->vp_idx &&
1110 !IS_QLA81XX(ha)) {
e315cd28 1111 ret = qla2x00_full_login_lip(vha);
0c8c39af 1112 if (ret != QLA_SUCCESS) {
749af3d5 1113 DEBUG2_3(printk("%s(%ld): failed: "
e315cd28 1114 "full_login_lip=%d.\n", __func__, vha->host_no,
0c8c39af 1115 ret));
749af3d5
AC		 1116 }
1117 atomic_set(&vha->loop_state, LOOP_DOWN);
1118 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1119 qla2x00_mark_all_devices_lost(vha, 0);
1120 qla2x00_wait_for_loop_ready(vha);
0c8c39af
AV		 1121 }
1122
749af3d5 1123 if (ha->flags.enable_lip_reset && !vha->vp_idx) {
e315cd28 1124 ret = qla2x00_lip_reset(vha);
0c8c39af 1125 if (ret != QLA_SUCCESS) {
749af3d5 1126 DEBUG2_3(printk("%s(%ld): failed: "
e315cd28
AC		 1127 "lip_reset=%d.\n", __func__, vha->host_no, ret));
1128 } else
1129 qla2x00_wait_for_loop_ready(vha);
1da177e4
LT		 1130 }
1131
0c8c39af 1132 if (ha->flags.enable_target_reset) {
e315cd28 1133 list_for_each_entry(fcport, &vha->vp_fcports, list) {
bdf79621 1134 if (fcport->port_type != FCT_TARGET)
1da177e4
LT		 1135 continue;
1136
2afa19a9 1137 ret = ha->isp_ops->target_reset(fcport, 0, 0);
0c8c39af
AV		 1138 if (ret != QLA_SUCCESS) {
1139 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1140 "target_reset=%d d_id=%x.\n", __func__,
e315cd28 1141 vha->host_no, ret, fcport->d_id.b24));
0c8c39af 1142 }
1da177e4
LT		 1143 }
1144 }
1da177e4 1145 /* Issue marker command only when we are going to start the I/O */
e315cd28 1146 vha->marker_needed = 1;
1da177e4 1147
0c8c39af 1148 return QLA_SUCCESS;
1da177e4
LT		 1149}
1150
df4bf0bb 1151void
e315cd28 1152qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
df4bf0bb 1153{
73208dfd 1154 int que, cnt;
df4bf0bb
AV		 1155 unsigned long flags;
1156 srb_t *sp;
e315cd28 1157 struct qla_hw_data *ha = vha->hw;
73208dfd 1158 struct req_que *req;
df4bf0bb
AV		 1159
1160 spin_lock_irqsave(&ha->hardware_lock, flags);
2afa19a9 1161 for (que = 0; que < ha->max_req_queues; que++) {
29bdccbe 1162 req = ha->req_q_map[que];
73208dfd
AC		 1163 if (!req)
1164 continue;
1165 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1166 sp = req->outstanding_cmds[cnt];
e612d465 1167 if (sp) {
73208dfd
AC		 1168 req->outstanding_cmds[cnt] = NULL;
1169 sp->cmd->result = res;
1170 qla2x00_sp_compl(ha, sp);
1171 }
df4bf0bb
AV		 1172 }
1173 }
1174 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1175}
1176
f4f051eb
AV		 1177static int
1178qla2xxx_slave_alloc(struct scsi_device *sdev)
1da177e4 1179{
bdf79621 1180 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1da177e4 1181
19a7b4ae 1182 if (!rport || fc_remote_port_chkready(rport))
f4f051eb 1183 return -ENXIO;
bdf79621 1184
19a7b4ae 1185 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1da177e4 1186
f4f051eb
AV		 1187 return 0;
1188}
1da177e4 1189
f4f051eb
AV		 1190static int
1191qla2xxx_slave_configure(struct scsi_device *sdev)
1192{
e315cd28
AC		 1193 scsi_qla_host_t *vha = shost_priv(sdev->host);
1194 struct qla_hw_data *ha = vha->hw;
8482e118 1195 struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
2afa19a9 1196 struct req_que *req = vha->req;
8482e118 1197
f4f051eb 1198 if (sdev->tagged_supported)
73208dfd 1199 scsi_activate_tcq(sdev, req->max_q_depth);
f4f051eb 1200 else
73208dfd 1201 scsi_deactivate_tcq(sdev, req->max_q_depth);
1da177e4 1202
85821c90 1203 rport->dev_loss_tmo = ha->port_down_retry_count;
8482e118 1204
f4f051eb
AV		 1205 return 0;
1206}
1da177e4 1207
f4f051eb
AV		 1208static void
1209qla2xxx_slave_destroy(struct scsi_device *sdev)
1210{
1211 sdev->hostdata = NULL;
1da177e4
LT		 1212}
1213
ce7e4af7
AV		 1214static int
1215qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
1216{
1217 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1218 return sdev->queue_depth;
1219}
1220
1221static int
1222qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1223{
1224 if (sdev->tagged_supported) {
1225 scsi_set_tag_type(sdev, tag_type);
1226 if (tag_type)
1227 scsi_activate_tcq(sdev, sdev->queue_depth);
1228 else
1229 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1230 } else
1231 tag_type = 0;
1232
1233 return tag_type;
1234}
1235
1da177e4
LT		 1236/**
1237 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1238 * @ha: HA context
1239 *
1240 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1241 * supported addressing method.
1242 */
1243static void
53303c42 1244qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1da177e4 1245{
7524f9b9 1246 /* Assume a 32bit DMA mask. */
1da177e4 1247 ha->flags.enable_64bit_addressing = 0;
1da177e4 1248
6a35528a 1249 if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
7524f9b9
AV		 1250 /* Any upper-dword bits set? */
1251 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
6a35528a 1252 !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
7524f9b9 1253 /* Ok, a 64bit DMA mask is applicable. */
1da177e4 1254 ha->flags.enable_64bit_addressing = 1;
fd34f556
AV		 1255 ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1256 ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
7524f9b9 1257 return;
1da177e4 1258 }
1da177e4 1259 }
7524f9b9 1260
284901a9
YH		 1261 dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1262 pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1da177e4
LT		 1263}
1264
fd34f556 1265static void
e315cd28 1266qla2x00_enable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1267{
1268 unsigned long flags = 0;
1269 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1270
1271 spin_lock_irqsave(&ha->hardware_lock, flags);
1272 ha->interrupts_on = 1;
1273 /* enable risc and host interrupts */
1274 WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1275 RD_REG_WORD(&reg->ictrl);
1276 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1277
1278}
1279
1280static void
e315cd28 1281qla2x00_disable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1282{
1283 unsigned long flags = 0;
1284 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1285
1286 spin_lock_irqsave(&ha->hardware_lock, flags);
1287 ha->interrupts_on = 0;
1288 /* disable risc and host interrupts */
1289 WRT_REG_WORD(&reg->ictrl, 0);
1290 RD_REG_WORD(&reg->ictrl);
1291 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1292}
1293
1294static void
e315cd28 1295qla24xx_enable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1296{
1297 unsigned long flags = 0;
1298 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1299
1300 spin_lock_irqsave(&ha->hardware_lock, flags);
1301 ha->interrupts_on = 1;
1302 WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1303 RD_REG_DWORD(&reg->ictrl);
1304 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1305}
1306
1307static void
e315cd28 1308qla24xx_disable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1309{
1310 unsigned long flags = 0;
1311 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1312
124f85e6
AV		 1313 if (IS_NOPOLLING_TYPE(ha))
1314 return;
fd34f556
AV		 1315 spin_lock_irqsave(&ha->hardware_lock, flags);
1316 ha->interrupts_on = 0;
1317 WRT_REG_DWORD(&reg->ictrl, 0);
1318 RD_REG_DWORD(&reg->ictrl);
1319 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1320}
1321
1322static struct isp_operations qla2100_isp_ops = {
1323 .pci_config = qla2100_pci_config,
1324 .reset_chip = qla2x00_reset_chip,
1325 .chip_diag = qla2x00_chip_diag,
1326 .config_rings = qla2x00_config_rings,
1327 .reset_adapter = qla2x00_reset_adapter,
1328 .nvram_config = qla2x00_nvram_config,
1329 .update_fw_options = qla2x00_update_fw_options,
1330 .load_risc = qla2x00_load_risc,
1331 .pci_info_str = qla2x00_pci_info_str,
1332 .fw_version_str = qla2x00_fw_version_str,
1333 .intr_handler = qla2100_intr_handler,
1334 .enable_intrs = qla2x00_enable_intrs,
1335 .disable_intrs = qla2x00_disable_intrs,
1336 .abort_command = qla2x00_abort_command,
523ec773
AV		 1337 .target_reset = qla2x00_abort_target,
1338 .lun_reset = qla2x00_lun_reset,
fd34f556
AV		 1339 .fabric_login = qla2x00_login_fabric,
1340 .fabric_logout = qla2x00_fabric_logout,
1341 .calc_req_entries = qla2x00_calc_iocbs_32,
1342 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1343 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1344 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1345 .read_nvram = qla2x00_read_nvram_data,
1346 .write_nvram = qla2x00_write_nvram_data,
1347 .fw_dump = qla2100_fw_dump,
1348 .beacon_on = NULL,
1349 .beacon_off = NULL,
1350 .beacon_blink = NULL,
1351 .read_optrom = qla2x00_read_optrom_data,
1352 .write_optrom = qla2x00_write_optrom_data,
1353 .get_flash_version = qla2x00_get_flash_version,
e315cd28 1354 .start_scsi = qla2x00_start_scsi,
fd34f556
AV		 1355};
1356
1357static struct isp_operations qla2300_isp_ops = {
1358 .pci_config = qla2300_pci_config,
1359 .reset_chip = qla2x00_reset_chip,
1360 .chip_diag = qla2x00_chip_diag,
1361 .config_rings = qla2x00_config_rings,
1362 .reset_adapter = qla2x00_reset_adapter,
1363 .nvram_config = qla2x00_nvram_config,
1364 .update_fw_options = qla2x00_update_fw_options,
1365 .load_risc = qla2x00_load_risc,
1366 .pci_info_str = qla2x00_pci_info_str,
1367 .fw_version_str = qla2x00_fw_version_str,
1368 .intr_handler = qla2300_intr_handler,
1369 .enable_intrs = qla2x00_enable_intrs,
1370 .disable_intrs = qla2x00_disable_intrs,
1371 .abort_command = qla2x00_abort_command,
523ec773
AV		 1372 .target_reset = qla2x00_abort_target,
1373 .lun_reset = qla2x00_lun_reset,
fd34f556
AV		 1374 .fabric_login = qla2x00_login_fabric,
1375 .fabric_logout = qla2x00_fabric_logout,
1376 .calc_req_entries = qla2x00_calc_iocbs_32,
1377 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1378 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1379 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1380 .read_nvram = qla2x00_read_nvram_data,
1381 .write_nvram = qla2x00_write_nvram_data,
1382 .fw_dump = qla2300_fw_dump,
1383 .beacon_on = qla2x00_beacon_on,
1384 .beacon_off = qla2x00_beacon_off,
1385 .beacon_blink = qla2x00_beacon_blink,
1386 .read_optrom = qla2x00_read_optrom_data,
1387 .write_optrom = qla2x00_write_optrom_data,
1388 .get_flash_version = qla2x00_get_flash_version,
e315cd28 1389 .start_scsi = qla2x00_start_scsi,
fd34f556
AV		 1390};
1391
1392static struct isp_operations qla24xx_isp_ops = {
1393 .pci_config = qla24xx_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 = qla24xx_nvram_config,
1399 .update_fw_options = qla24xx_update_fw_options,
1400 .load_risc = qla24xx_load_risc,
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,
523ec773
AV		 1407 .target_reset = qla24xx_abort_target,
1408 .lun_reset = qla24xx_lun_reset,
fd34f556
AV		 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,
1415 .read_nvram = qla24xx_read_nvram_data,
1416 .write_nvram = qla24xx_write_nvram_data,
1417 .fw_dump = qla24xx_fw_dump,
1418 .beacon_on = qla24xx_beacon_on,
1419 .beacon_off = qla24xx_beacon_off,
1420 .beacon_blink = qla24xx_beacon_blink,
1421 .read_optrom = qla24xx_read_optrom_data,
1422 .write_optrom = qla24xx_write_optrom_data,
1423 .get_flash_version = qla24xx_get_flash_version,
e315cd28 1424 .start_scsi = qla24xx_start_scsi,
fd34f556
AV		 1425};
1426
c3a2f0df
AV		 1427static struct isp_operations qla25xx_isp_ops = {
1428 .pci_config = qla25xx_pci_config,
1429 .reset_chip = qla24xx_reset_chip,
1430 .chip_diag = qla24xx_chip_diag,
1431 .config_rings = qla24xx_config_rings,
1432 .reset_adapter = qla24xx_reset_adapter,
1433 .nvram_config = qla24xx_nvram_config,
1434 .update_fw_options = qla24xx_update_fw_options,
1435 .load_risc = qla24xx_load_risc,
1436 .pci_info_str = qla24xx_pci_info_str,
1437 .fw_version_str = qla24xx_fw_version_str,
1438 .intr_handler = qla24xx_intr_handler,
1439 .enable_intrs = qla24xx_enable_intrs,
1440 .disable_intrs = qla24xx_disable_intrs,
1441 .abort_command = qla24xx_abort_command,
523ec773
AV		 1442 .target_reset = qla24xx_abort_target,
1443 .lun_reset = qla24xx_lun_reset,
c3a2f0df
AV		 1444 .fabric_login = qla24xx_login_fabric,
1445 .fabric_logout = qla24xx_fabric_logout,
1446 .calc_req_entries = NULL,
1447 .build_iocbs = NULL,
1448 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1449 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1450 .read_nvram = qla25xx_read_nvram_data,
1451 .write_nvram = qla25xx_write_nvram_data,
1452 .fw_dump = qla25xx_fw_dump,
1453 .beacon_on = qla24xx_beacon_on,
1454 .beacon_off = qla24xx_beacon_off,
1455 .beacon_blink = qla24xx_beacon_blink,
338c9161 1456 .read_optrom = qla25xx_read_optrom_data,
c3a2f0df
AV		 1457 .write_optrom = qla24xx_write_optrom_data,
1458 .get_flash_version = qla24xx_get_flash_version,
e315cd28 1459 .start_scsi = qla24xx_start_scsi,
c3a2f0df
AV		 1460};
1461
3a03eb79
AV		 1462static struct isp_operations qla81xx_isp_ops = {
1463 .pci_config = qla25xx_pci_config,
1464 .reset_chip = qla24xx_reset_chip,
1465 .chip_diag = qla24xx_chip_diag,
1466 .config_rings = qla24xx_config_rings,
1467 .reset_adapter = qla24xx_reset_adapter,
1468 .nvram_config = qla81xx_nvram_config,
1469 .update_fw_options = qla81xx_update_fw_options,
eaac30be 1470 .load_risc = qla81xx_load_risc,
3a03eb79
AV		 1471 .pci_info_str = qla24xx_pci_info_str,
1472 .fw_version_str = qla24xx_fw_version_str,
1473 .intr_handler = qla24xx_intr_handler,
1474 .enable_intrs = qla24xx_enable_intrs,
1475 .disable_intrs = qla24xx_disable_intrs,
1476 .abort_command = qla24xx_abort_command,
1477 .target_reset = qla24xx_abort_target,
1478 .lun_reset = qla24xx_lun_reset,
1479 .fabric_login = qla24xx_login_fabric,
1480 .fabric_logout = qla24xx_fabric_logout,
1481 .calc_req_entries = NULL,
1482 .build_iocbs = NULL,
1483 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1484 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
3d79038f
AV		 1485 .read_nvram = NULL,
1486 .write_nvram = NULL,
3a03eb79
AV		 1487 .fw_dump = qla81xx_fw_dump,
1488 .beacon_on = qla24xx_beacon_on,
1489 .beacon_off = qla24xx_beacon_off,
1490 .beacon_blink = qla24xx_beacon_blink,
1491 .read_optrom = qla25xx_read_optrom_data,
1492 .write_optrom = qla24xx_write_optrom_data,
1493 .get_flash_version = qla24xx_get_flash_version,
1494 .start_scsi = qla24xx_start_scsi,
3a03eb79
AV		 1495};
1496
ea5b6382 1497static inline void
e315cd28 1498qla2x00_set_isp_flags(struct qla_hw_data *ha)
ea5b6382
AV		 1499{
1500 ha->device_type = DT_EXTENDED_IDS;
1501 switch (ha->pdev->device) {
1502 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1503 ha->device_type |= DT_ISP2100;
1504 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1505 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382
AV		 1506 break;
1507 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1508 ha->device_type |= DT_ISP2200;
1509 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1510 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382
AV		 1511 break;
1512 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1513 ha->device_type |= DT_ISP2300;
4a59f71d 1514 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1515 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1516 break;
1517 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1518 ha->device_type |= DT_ISP2312;
4a59f71d 1519 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1520 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1521 break;
1522 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1523 ha->device_type |= DT_ISP2322;
4a59f71d 1524 ha->device_type |= DT_ZIO_SUPPORTED;
ea5b6382
AV		 1525 if (ha->pdev->subsystem_vendor == 0x1028 &&
1526 ha->pdev->subsystem_device == 0x0170)
1527 ha->device_type |= DT_OEM_001;
441d1072 1528 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1529 break;
1530 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1531 ha->device_type |= DT_ISP6312;
441d1072 1532 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1533 break;
1534 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1535 ha->device_type |= DT_ISP6322;
441d1072 1536 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1537 break;
1538 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1539 ha->device_type |= DT_ISP2422;
4a59f71d 1540 ha->device_type |= DT_ZIO_SUPPORTED;
e428924c 1541 ha->device_type |= DT_FWI2;
c76f2c01 1542 ha->device_type |= DT_IIDMA;
441d1072 1543 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382
AV		 1544 break;
1545 case PCI_DEVICE_ID_QLOGIC_ISP2432:
1546 ha->device_type |= DT_ISP2432;
4a59f71d 1547 ha->device_type |= DT_ZIO_SUPPORTED;
e428924c 1548 ha->device_type |= DT_FWI2;
c76f2c01 1549 ha->device_type |= DT_IIDMA;
441d1072 1550 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1551 break;
4d4df193
HK		 1552 case PCI_DEVICE_ID_QLOGIC_ISP8432:
1553 ha->device_type |= DT_ISP8432;
1554 ha->device_type |= DT_ZIO_SUPPORTED;
1555 ha->device_type |= DT_FWI2;
1556 ha->device_type |= DT_IIDMA;
1557 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1558 break;
044cc6c8
AV		 1559 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1560 ha->device_type |= DT_ISP5422;
e428924c 1561 ha->device_type |= DT_FWI2;
441d1072 1562 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1563 break;
044cc6c8
AV		 1564 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1565 ha->device_type |= DT_ISP5432;
e428924c 1566 ha->device_type |= DT_FWI2;
441d1072 1567 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1568 break;
c3a2f0df
AV		 1569 case PCI_DEVICE_ID_QLOGIC_ISP2532:
1570 ha->device_type |= DT_ISP2532;
1571 ha->device_type |= DT_ZIO_SUPPORTED;
1572 ha->device_type |= DT_FWI2;
1573 ha->device_type |= DT_IIDMA;
441d1072 1574 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1575 break;
3a03eb79
AV		 1576 case PCI_DEVICE_ID_QLOGIC_ISP8001:
1577 ha->device_type |= DT_ISP8001;
1578 ha->device_type |= DT_ZIO_SUPPORTED;
1579 ha->device_type |= DT_FWI2;
1580 ha->device_type |= DT_IIDMA;
1581 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1582 break;
ea5b6382 1583 }
e5b68a61
AC		 1584
1585 /* Get adapter physical port no from interrupt pin register. */
1586 pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
1587 if (ha->port_no & 1)
1588 ha->flags.port0 = 1;
1589 else
1590 ha->flags.port0 = 0;
ea5b6382
AV		 1591}
1592
1da177e4 1593static int
e315cd28 1594qla2x00_iospace_config(struct qla_hw_data *ha)
1da177e4 1595{
3776541d 1596 resource_size_t pio;
73208dfd 1597 uint16_t msix;
68ca949c 1598 int cpus;
1da177e4 1599
285d0321
AV		 1600 if (pci_request_selected_regions(ha->pdev, ha->bars,
1601 QLA2XXX_DRIVER_NAME)) {
1602 qla_printk(KERN_WARNING, ha,
1603 "Failed to reserve PIO/MMIO regions (%s)\n",
1604 pci_name(ha->pdev));
1605
1606 goto iospace_error_exit;
1607 }
1608 if (!(ha->bars & 1))
1609 goto skip_pio;
1610
1da177e4
LT		 1611 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1612 pio = pci_resource_start(ha->pdev, 0);
3776541d
AV		 1613 if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1614 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1da177e4
LT		 1615 qla_printk(KERN_WARNING, ha,
1616 "Invalid PCI I/O region size (%s)...\n",
1617 pci_name(ha->pdev));
1618 pio = 0;
1619 }
1620 } else {
1621 qla_printk(KERN_WARNING, ha,
1622 "region #0 not a PIO resource (%s)...\n",
1623 pci_name(ha->pdev));
1624 pio = 0;
1625 }
285d0321 1626 ha->pio_address = pio;
1da177e4 1627
285d0321 1628skip_pio:
1da177e4 1629 /* Use MMIO operations for all accesses. */
3776541d 1630 if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1da177e4 1631 qla_printk(KERN_ERR, ha,
3776541d 1632 "region #1 not an MMIO resource (%s), aborting\n",
1da177e4
LT		 1633 pci_name(ha->pdev));
1634 goto iospace_error_exit;
1635 }
3776541d 1636 if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1da177e4
LT		 1637 qla_printk(KERN_ERR, ha,
1638 "Invalid PCI mem region size (%s), aborting\n",
1639 pci_name(ha->pdev));
1640 goto iospace_error_exit;
1641 }
1642
3776541d 1643 ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1da177e4
LT		 1644 if (!ha->iobase) {
1645 qla_printk(KERN_ERR, ha,
1646 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1647
1648 goto iospace_error_exit;
1649 }
1650
73208dfd 1651 /* Determine queue resources */
2afa19a9 1652 ha->max_req_queues = ha->max_rsp_queues = 1;
68ca949c 1653 if ((ql2xmaxqueues <= 1 || ql2xmultique_tag < 1) &&
2afa19a9 1654 (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
17d98630
AC		 1655 goto mqiobase_exit;
1656 ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1657 pci_resource_len(ha->pdev, 3));
1658 if (ha->mqiobase) {
1659 /* Read MSIX vector size of the board */
1660 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1661 ha->msix_count = msix;
68ca949c
AC		 1662 /* Max queues are bounded by available msix vectors */
1663 /* queue 0 uses two msix vectors */
1664 if (ql2xmultique_tag) {
1665 cpus = num_online_cpus();
1666 ha->max_rsp_queues = (ha->msix_count - 1 - cpus) ?
1667 (cpus + 1) : (ha->msix_count - 1);
1668 ha->max_req_queues = 2;
1669 } else if (ql2xmaxqueues > 1) {
2afa19a9
AC		 1670 ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ?
1671 QLA_MQ_SIZE : ql2xmaxqueues;
1672 DEBUG2(qla_printk(KERN_INFO, ha, "QoS mode set, max no"
1673 " of request queues:%d\n", ha->max_req_queues));
1674 }
68ca949c
AC		 1675 qla_printk(KERN_INFO, ha,
1676 "MSI-X vector count: %d\n", msix);
2afa19a9
AC		 1677 } else
1678 qla_printk(KERN_INFO, ha, "BAR 3 not enabled\n");
17d98630
AC		 1679
1680mqiobase_exit:
2afa19a9 1681 ha->msix_count = ha->max_rsp_queues + 1;
1da177e4
LT		 1682 return (0);
1683
1684iospace_error_exit:
1685 return (-ENOMEM);
1686}
1687
1e99e33a
AV		 1688static void
1689qla2xxx_scan_start(struct Scsi_Host *shost)
1690{
e315cd28 1691 scsi_qla_host_t *vha = shost_priv(shost);
1e99e33a 1692
e315cd28
AC		 1693 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1694 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1695 set_bit(RSCN_UPDATE, &vha->dpc_flags);
1696 set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
1e99e33a
AV		 1697}
1698
1699static int
1700qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1701{
e315cd28 1702 scsi_qla_host_t *vha = shost_priv(shost);
1e99e33a 1703
e315cd28 1704 if (!vha->host)
1e99e33a 1705 return 1;
e315cd28 1706 if (time > vha->hw->loop_reset_delay * HZ)
1e99e33a
AV		 1707 return 1;
1708
e315cd28 1709 return atomic_read(&vha->loop_state) == LOOP_READY;
1e99e33a
AV		 1710}
1711
1da177e4
LT		 1712/*
1713 * PCI driver interface
1714 */
7ee61397
AV		 1715static int __devinit
1716qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1da177e4 1717{
a1541d5a 1718 int ret = -ENODEV;
1da177e4 1719 struct Scsi_Host *host;
e315cd28
AC		 1720 scsi_qla_host_t *base_vha = NULL;
1721 struct qla_hw_data *ha;
29856e28 1722 char pci_info[30];
1da177e4 1723 char fw_str[30];
5433383e 1724 struct scsi_host_template *sht;
c51da4ec 1725 int bars, max_id, mem_only = 0;
e315cd28 1726 uint16_t req_length = 0, rsp_length = 0;
73208dfd
AC		 1727 struct req_que *req = NULL;
1728 struct rsp_que *rsp = NULL;
1da177e4 1729
285d0321 1730 bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
a5326f86 1731 sht = &qla2xxx_driver_template;
5433383e 1732 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
8bc69e7d 1733 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
4d4df193 1734 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
8bc69e7d 1735 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
c3a2f0df 1736 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
3a03eb79
AV		 1737 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
1738 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001) {
285d0321 1739 bars = pci_select_bars(pdev, IORESOURCE_MEM);
09483916 1740 mem_only = 1;
285d0321
AV		 1741 }
1742
09483916
BH		 1743 if (mem_only) {
1744 if (pci_enable_device_mem(pdev))
1745 goto probe_out;
1746 } else {
1747 if (pci_enable_device(pdev))
1748 goto probe_out;
1749 }
285d0321 1750
0927678f
JB		 1751 /* This may fail but that's ok */
1752 pci_enable_pcie_error_reporting(pdev);
285d0321 1753
e315cd28
AC		 1754 ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
1755 if (!ha) {
1756 DEBUG(printk("Unable to allocate memory for ha\n"));
1757 goto probe_out;
1da177e4 1758 }
e315cd28 1759 ha->pdev = pdev;
1da177e4
LT		 1760
1761 /* Clear our data area */
285d0321 1762 ha->bars = bars;
09483916 1763 ha->mem_only = mem_only;
df4bf0bb 1764 spin_lock_init(&ha->hardware_lock);
1da177e4 1765
ea5b6382
AV		 1766 /* Set ISP-type information. */
1767 qla2x00_set_isp_flags(ha);
1da177e4
LT		 1768 /* Configure PCI I/O space */
1769 ret = qla2x00_iospace_config(ha);
a1541d5a 1770 if (ret)
e315cd28 1771 goto probe_hw_failed;
1da177e4 1772
1da177e4 1773 qla_printk(KERN_INFO, ha,
5433383e
AV		 1774 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1775 ha->iobase);
1da177e4 1776
1da177e4 1777 ha->prev_topology = 0;
fca29703 1778 ha->init_cb_size = sizeof(init_cb_t);
d8b45213 1779 ha->link_data_rate = PORT_SPEED_UNKNOWN;
854165f4 1780 ha->optrom_size = OPTROM_SIZE_2300;
1da177e4 1781
abbd8870 1782 /* Assign ISP specific operations. */
e315cd28 1783 max_id = MAX_TARGETS_2200;
1da177e4 1784 if (IS_QLA2100(ha)) {
e315cd28 1785 max_id = MAX_TARGETS_2100;
1da177e4 1786 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
e315cd28
AC		 1787 req_length = REQUEST_ENTRY_CNT_2100;
1788 rsp_length = RESPONSE_ENTRY_CNT_2100;
1789 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
abbd8870 1790 ha->gid_list_info_size = 4;
3a03eb79
AV		 1791 ha->flash_conf_off = ~0;
1792 ha->flash_data_off = ~0;
1793 ha->nvram_conf_off = ~0;
1794 ha->nvram_data_off = ~0;
fd34f556 1795 ha->isp_ops = &qla2100_isp_ops;
1da177e4 1796 } else if (IS_QLA2200(ha)) {
1da177e4 1797 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1798 req_length = REQUEST_ENTRY_CNT_2200;
1799 rsp_length = RESPONSE_ENTRY_CNT_2100;
1800 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
abbd8870 1801 ha->gid_list_info_size = 4;
3a03eb79
AV		 1802 ha->flash_conf_off = ~0;
1803 ha->flash_data_off = ~0;
1804 ha->nvram_conf_off = ~0;
1805 ha->nvram_data_off = ~0;
fd34f556 1806 ha->isp_ops = &qla2100_isp_ops;
fca29703 1807 } else if (IS_QLA23XX(ha)) {
1da177e4 1808 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1809 req_length = REQUEST_ENTRY_CNT_2200;
1810 rsp_length = RESPONSE_ENTRY_CNT_2300;
1811 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
abbd8870 1812 ha->gid_list_info_size = 6;
854165f4
AV		 1813 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1814 ha->optrom_size = OPTROM_SIZE_2322;
3a03eb79
AV		 1815 ha->flash_conf_off = ~0;
1816 ha->flash_data_off = ~0;
1817 ha->nvram_conf_off = ~0;
1818 ha->nvram_data_off = ~0;
fd34f556 1819 ha->isp_ops = &qla2300_isp_ops;
4d4df193 1820 } else if (IS_QLA24XX_TYPE(ha)) {
fca29703 1821 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1822 req_length = REQUEST_ENTRY_CNT_24XX;
1823 rsp_length = RESPONSE_ENTRY_CNT_2300;
1824 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2c3dfe3f 1825 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
fca29703 1826 ha->gid_list_info_size = 8;
854165f4 1827 ha->optrom_size = OPTROM_SIZE_24XX;
73208dfd 1828 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
fd34f556 1829 ha->isp_ops = &qla24xx_isp_ops;
3a03eb79
AV		 1830 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
1831 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
1832 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
1833 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
c3a2f0df 1834 } else if (IS_QLA25XX(ha)) {
c3a2f0df 1835 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1836 req_length = REQUEST_ENTRY_CNT_24XX;
1837 rsp_length = RESPONSE_ENTRY_CNT_2300;
1838 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
c3a2f0df 1839 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
c3a2f0df
AV		 1840 ha->gid_list_info_size = 8;
1841 ha->optrom_size = OPTROM_SIZE_25XX;
73208dfd 1842 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
c3a2f0df 1843 ha->isp_ops = &qla25xx_isp_ops;
3a03eb79
AV		 1844 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
1845 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
1846 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
1847 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
1848 } else if (IS_QLA81XX(ha)) {
1849 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1850 req_length = REQUEST_ENTRY_CNT_24XX;
1851 rsp_length = RESPONSE_ENTRY_CNT_2300;
1852 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1853 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
1854 ha->gid_list_info_size = 8;
1855 ha->optrom_size = OPTROM_SIZE_81XX;
40859ae5 1856 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3a03eb79
AV		 1857 ha->isp_ops = &qla81xx_isp_ops;
1858 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
1859 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
1860 ha->nvram_conf_off = ~0;
1861 ha->nvram_data_off = ~0;
1da177e4 1862 }
1da177e4 1863
6c2f527c 1864 mutex_init(&ha->vport_lock);
0b05a1f0
MB		 1865 init_completion(&ha->mbx_cmd_comp);
1866 complete(&ha->mbx_cmd_comp);
1867 init_completion(&ha->mbx_intr_comp);
1da177e4 1868
2c3dfe3f 1869 set_bit(0, (unsigned long *) ha->vp_idx_map);
1da177e4 1870
53303c42 1871 qla2x00_config_dma_addressing(ha);
73208dfd 1872 ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
e315cd28 1873 if (!ret) {
1da177e4
LT		 1874 qla_printk(KERN_WARNING, ha,
1875 "[ERROR] Failed to allocate memory for adapter\n");
1876
e315cd28
AC		 1877 goto probe_hw_failed;
1878 }
1879
73208dfd 1880 req->max_q_depth = MAX_Q_DEPTH;
e315cd28 1881 if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
73208dfd
AC		 1882 req->max_q_depth = ql2xmaxqdepth;
1883
e315cd28
AC		 1884
1885 base_vha = qla2x00_create_host(sht, ha);
1886 if (!base_vha) {
1887 qla_printk(KERN_WARNING, ha,
1888 "[ERROR] Failed to allocate memory for scsi_host\n");
1889
a1541d5a 1890 ret = -ENOMEM;
6e9f21f3 1891 qla2x00_mem_free(ha);
2afa19a9
AC		 1892 qla2x00_free_req_que(ha, req);
1893 qla2x00_free_rsp_que(ha, rsp);
e315cd28 1894 goto probe_hw_failed;
1da177e4
LT		 1895 }
1896
e315cd28
AC		 1897 pci_set_drvdata(pdev, base_vha);
1898
e315cd28 1899 host = base_vha->host;
2afa19a9 1900 base_vha->req = req;
73208dfd
AC		 1901 host->can_queue = req->length + 128;
1902 if (IS_QLA2XXX_MIDTYPE(ha))
e315cd28 1903 base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
73208dfd 1904 else
e315cd28
AC		 1905 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
1906 base_vha->vp_idx;
e315cd28
AC		 1907 if (IS_QLA2100(ha))
1908 host->sg_tablesize = 32;
1909 host->max_id = max_id;
1910 host->this_id = 255;
1911 host->cmd_per_lun = 3;
1912 host->unique_id = host->host_no;
1913 host->max_cmd_len = MAX_CMDSZ;
1914 host->max_channel = MAX_BUSES - 1;
1915 host->max_lun = MAX_LUNS;
1916 host->transportt = qla2xxx_transport_template;
1917
73208dfd
AC		 1918 /* Set up the irqs */
1919 ret = qla2x00_request_irqs(ha, rsp);
1920 if (ret)
6e9f21f3 1921 goto probe_init_failed;
73208dfd
AC		 1922 /* Alloc arrays of request and response ring ptrs */
1923 if (!qla2x00_alloc_queues(ha)) {
1924 qla_printk(KERN_WARNING, ha,
1925 "[ERROR] Failed to allocate memory for queue"
1926 " pointers\n");
6e9f21f3 1927 goto probe_init_failed;
73208dfd
AC		 1928 }
1929 ha->rsp_q_map[0] = rsp;
1930 ha->req_q_map[0] = req;
2afa19a9
AC		 1931 rsp->req = req;
1932 req->rsp = rsp;
1933 set_bit(0, ha->req_qid_map);
1934 set_bit(0, ha->rsp_qid_map);
08029990
AV		 1935 /* FWI2-capable only. */
1936 req->req_q_in = &ha->iobase->isp24.req_q_in;
1937 req->req_q_out = &ha->iobase->isp24.req_q_out;
1938 rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
1939 rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
17d98630 1940 if (ha->mqenable) {
08029990
AV		 1941 req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
1942 req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
1943 rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
1944 rsp->rsp_q_out = &ha->mqiobase->isp25mq.rsp_q_out;
17d98630
AC		 1945 }
1946
e315cd28 1947 if (qla2x00_initialize_adapter(base_vha)) {
1da177e4
LT		 1948 qla_printk(KERN_WARNING, ha,
1949 "Failed to initialize adapter\n");
1950
1951 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1952 "Adapter flags %x.\n",
e315cd28 1953 base_vha->host_no, base_vha->device_flags));
1da177e4 1954
a1541d5a 1955 ret = -ENODEV;
1da177e4
LT		 1956 goto probe_failed;
1957 }
1958
68ca949c
AC		 1959 if (ha->mqenable)
1960 if (qla25xx_setup_mode(base_vha))
1961 qla_printk(KERN_WARNING, ha,
1962 "Can't create queues, falling back to single"
1963 " queue mode\n");
1964
1da177e4
LT		 1965 /*
1966 * Startup the kernel thread for this host adapter
1967 */
39a11240 1968 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
e315cd28 1969 "%s_dpc", base_vha->host_str);
39a11240 1970 if (IS_ERR(ha->dpc_thread)) {
1da177e4
LT		 1971 qla_printk(KERN_WARNING, ha,
1972 "Unable to start DPC thread!\n");
39a11240 1973 ret = PTR_ERR(ha->dpc_thread);
1da177e4
LT		 1974 goto probe_failed;
1975 }
1da177e4 1976
e315cd28
AC		 1977 list_add_tail(&base_vha->list, &ha->vp_list);
1978 base_vha->host->irq = ha->pdev->irq;
1da177e4
LT		 1979
1980 /* Initialized the timer */
e315cd28 1981 qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
1da177e4
LT		 1982
1983 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
e315cd28 1984 base_vha->host_no, ha));
d19044c3 1985
e315cd28
AC		 1986 base_vha->flags.init_done = 1;
1987 base_vha->flags.online = 1;
d19044c3 1988
a1541d5a
AV		 1989 ret = scsi_add_host(host, &pdev->dev);
1990 if (ret)
1991 goto probe_failed;
1992
048feec5
AV		 1993 ha->isp_ops->enable_intrs(ha);
1994
1e99e33a
AV		 1995 scsi_scan_host(host);
1996
e315cd28 1997 qla2x00_alloc_sysfs_attr(base_vha);
a1541d5a 1998
e315cd28 1999 qla2x00_init_host_attr(base_vha);
a1541d5a 2000
e315cd28 2001 qla2x00_dfs_setup(base_vha);
df613b96 2002
1da177e4
LT		 2003 qla_printk(KERN_INFO, ha, "\n"
2004 " QLogic Fibre Channel HBA Driver: %s\n"
2005 " QLogic %s - %s\n"
5433383e
AV		 2006 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
2007 qla2x00_version_str, ha->model_number,
e315cd28
AC		 2008 ha->model_desc ? ha->model_desc : "", pdev->device,
2009 ha->isp_ops->pci_info_str(base_vha, pci_info), pci_name(pdev),
2010 ha->flags.enable_64bit_addressing ? '+' : '-', base_vha->host_no,
2011 ha->isp_ops->fw_version_str(base_vha, fw_str));
1da177e4 2012
1da177e4
LT		 2013 return 0;
2014
6e9f21f3 2015probe_init_failed:
2afa19a9
AC		 2016 qla2x00_free_req_que(ha, req);
2017 qla2x00_free_rsp_que(ha, rsp);
2018 ha->max_req_queues = ha->max_rsp_queues = 0;
6e9f21f3 2019
1da177e4 2020probe_failed:
b9978769
AV		 2021 if (base_vha->timer_active)
2022 qla2x00_stop_timer(base_vha);
2023 base_vha->flags.online = 0;
2024 if (ha->dpc_thread) {
2025 struct task_struct *t = ha->dpc_thread;
2026
2027 ha->dpc_thread = NULL;
2028 kthread_stop(t);
2029 }
2030
e315cd28 2031 qla2x00_free_device(base_vha);
1da177e4 2032
e315cd28 2033 scsi_host_put(base_vha->host);
1da177e4 2034
e315cd28
AC		 2035probe_hw_failed:
2036 if (ha->iobase)
2037 iounmap(ha->iobase);
2038
2039 pci_release_selected_regions(ha->pdev, ha->bars);
2040 kfree(ha);
2041 ha = NULL;
1da177e4 2042
a1541d5a 2043probe_out:
e315cd28 2044 pci_disable_device(pdev);
a1541d5a 2045 return ret;
1da177e4 2046}
1da177e4 2047
4c993f76 2048static void
7ee61397 2049qla2x00_remove_one(struct pci_dev *pdev)
1da177e4 2050{
e315cd28
AC		 2051 scsi_qla_host_t *base_vha, *vha, *temp;
2052 struct qla_hw_data *ha;
2053
2054 base_vha = pci_get_drvdata(pdev);
2055 ha = base_vha->hw;
2056
2057 list_for_each_entry_safe(vha, temp, &ha->vp_list, list) {
2058 if (vha && vha->fc_vport)
2059 fc_vport_terminate(vha->fc_vport);
2060 }
1da177e4 2061
e315cd28 2062 set_bit(UNLOADING, &base_vha->dpc_flags);
1da177e4 2063
b9978769
AV		 2064 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
2065
e315cd28 2066 qla2x00_dfs_remove(base_vha);
c795c1e4 2067
e315cd28 2068 qla84xx_put_chip(base_vha);
c795c1e4 2069
b9978769
AV		 2070 /* Disable timer */
2071 if (base_vha->timer_active)
2072 qla2x00_stop_timer(base_vha);
2073
2074 base_vha->flags.online = 0;
2075
68ca949c
AC		 2076 /* Flush the work queue and remove it */
2077 if (ha->wq) {
2078 flush_workqueue(ha->wq);
2079 destroy_workqueue(ha->wq);
2080 ha->wq = NULL;
2081 }
2082
b9978769
AV		 2083 /* Kill the kernel thread for this host */
2084 if (ha->dpc_thread) {
2085 struct task_struct *t = ha->dpc_thread;
2086
2087 /*
2088 * qla2xxx_wake_dpc checks for ->dpc_thread
2089 * so we need to zero it out.
2090 */
2091 ha->dpc_thread = NULL;
2092 kthread_stop(t);
2093 }
2094
e315cd28 2095 qla2x00_free_sysfs_attr(base_vha);
df613b96 2096
e315cd28 2097 fc_remove_host(base_vha->host);
4d4df193 2098
e315cd28 2099 scsi_remove_host(base_vha->host);
1da177e4 2100
e315cd28 2101 qla2x00_free_device(base_vha);
bdf79621 2102
e315cd28 2103 scsi_host_put(base_vha->host);
1da177e4 2104
e315cd28
AC		 2105 if (ha->iobase)
2106 iounmap(ha->iobase);
1da177e4 2107
73208dfd
AC		 2108 if (ha->mqiobase)
2109 iounmap(ha->mqiobase);
2110
e315cd28
AC		 2111 pci_release_selected_regions(ha->pdev, ha->bars);
2112 kfree(ha);
2113 ha = NULL;
1da177e4 2114
665db93b 2115 pci_disable_device(pdev);
1da177e4
LT		 2116 pci_set_drvdata(pdev, NULL);
2117}
1da177e4
LT		 2118
2119static void
e315cd28 2120qla2x00_free_device(scsi_qla_host_t *vha)
1da177e4 2121{
e315cd28 2122 struct qla_hw_data *ha = vha->hw;
1da177e4 2123
2afa19a9
AC		 2124 qla25xx_delete_queues(vha);
2125
df613b96 2126 if (ha->flags.fce_enabled)
e315cd28 2127 qla2x00_disable_fce_trace(vha, NULL, NULL);
df613b96 2128
a7a167bf 2129 if (ha->eft)
e315cd28 2130 qla2x00_disable_eft_trace(vha);
a7a167bf 2131
f6ef3b18 2132 /* Stop currently executing firmware. */
e315cd28 2133 qla2x00_try_to_stop_firmware(vha);
1da177e4 2134
f6ef3b18
AV		 2135 /* turn-off interrupts on the card */
2136 if (ha->interrupts_on)
fd34f556 2137 ha->isp_ops->disable_intrs(ha);
f6ef3b18 2138
e315cd28 2139 qla2x00_free_irqs(vha);
1da177e4 2140
e315cd28 2141 qla2x00_mem_free(ha);
73208dfd
AC		 2142
2143 qla2x00_free_queues(ha);
1da177e4
LT		 2144}
2145
d97994dc 2146static inline void
e315cd28 2147qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
d97994dc
AV		 2148 int defer)
2149{
d97994dc
AV		 2150 struct fc_rport *rport;
2151
2152 if (!fcport->rport)
2153 return;
2154
2155 rport = fcport->rport;
2156 if (defer) {
e315cd28 2157 spin_lock_irq(vha->host->host_lock);
d97994dc 2158 fcport->drport = rport;
e315cd28
AC		 2159 spin_unlock_irq(vha->host->host_lock);
2160 set_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags);
2161 qla2xxx_wake_dpc(vha);
5f3a9a20 2162 } else
d97994dc 2163 fc_remote_port_delete(rport);
d97994dc
AV		 2164}
2165
1da177e4
LT		 2166/*
2167 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
2168 *
2169 * Input: ha = adapter block pointer. fcport = port structure pointer.
2170 *
2171 * Return: None.
2172 *
2173 * Context:
2174 */
e315cd28 2175void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
d97994dc 2176 int do_login, int defer)
1da177e4 2177{
2c3dfe3f 2178 if (atomic_read(&fcport->state) == FCS_ONLINE &&
e315cd28
AC		 2179 vha->vp_idx == fcport->vp_idx) {
2180 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2181 qla2x00_schedule_rport_del(vha, fcport, defer);
2182 }
fa2a1ce5 2183 /*
1da177e4
LT		 2184 * We may need to retry the login, so don't change the state of the
2185 * port but do the retries.
2186 */
2187 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
2188 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2189
2190 if (!do_login)
2191 return;
2192
2193 if (fcport->login_retry == 0) {
e315cd28
AC		 2194 fcport->login_retry = vha->hw->login_retry_count;
2195 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1da177e4
LT		 2196
2197 DEBUG(printk("scsi(%ld): Port login retry: "
2198 "%02x%02x%02x%02x%02x%02x%02x%02x, "
2199 "id = 0x%04x retry cnt=%d\n",
e315cd28 2200 vha->host_no,
1da177e4
LT		 2201 fcport->port_name[0],
2202 fcport->port_name[1],
2203 fcport->port_name[2],
2204 fcport->port_name[3],
2205 fcport->port_name[4],
2206 fcport->port_name[5],
2207 fcport->port_name[6],
2208 fcport->port_name[7],
2209 fcport->loop_id,
2210 fcport->login_retry));
2211 }
2212}
2213
2214/*
2215 * qla2x00_mark_all_devices_lost
2216 * Updates fcport state when device goes offline.
2217 *
2218 * Input:
2219 * ha = adapter block pointer.
2220 * fcport = port structure pointer.
2221 *
2222 * Return:
2223 * None.
2224 *
2225 * Context:
2226 */
2227void
e315cd28 2228qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
1da177e4
LT		 2229{
2230 fc_port_t *fcport;
2231
e315cd28
AC		 2232 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2233 if (vha->vp_idx != fcport->vp_idx)
1da177e4 2234 continue;
1da177e4
LT		 2235 /*
2236 * No point in marking the device as lost, if the device is
2237 * already DEAD.
2238 */
2239 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
2240 continue;
e315cd28
AC		 2241 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2242 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2243 qla2x00_schedule_rport_del(vha, fcport, defer);
2244 } else
2245 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1da177e4
LT		 2246 }
2247}
2248
2249/*
2250* qla2x00_mem_alloc
2251* Allocates adapter memory.
2252*
2253* Returns:
2254* 0 = success.
e8711085 2255* !0 = failure.
1da177e4 2256*/
e8711085 2257static int
73208dfd
AC		 2258qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
2259 struct req_que **req, struct rsp_que **rsp)
1da177e4
LT		 2260{
2261 char name[16];
1da177e4 2262
e8711085 2263 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
e315cd28 2264 &ha->init_cb_dma, GFP_KERNEL);
e8711085 2265 if (!ha->init_cb)
e315cd28 2266 goto fail;
e8711085 2267
e315cd28
AC		 2268 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2269 &ha->gid_list_dma, GFP_KERNEL);
2270 if (!ha->gid_list)
e8711085 2271 goto fail_free_init_cb;
1da177e4 2272
e8711085
AV		 2273 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2274 if (!ha->srb_mempool)
e315cd28 2275 goto fail_free_gid_list;
e8711085
AV		 2276
2277 /* Get memory for cached NVRAM */
2278 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2279 if (!ha->nvram)
2280 goto fail_free_srb_mempool;
2281
e315cd28
AC		 2282 snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
2283 ha->pdev->device);
2284 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2285 DMA_POOL_SIZE, 8, 0);
2286 if (!ha->s_dma_pool)
2287 goto fail_free_nvram;
2288
e8711085
AV		 2289 /* Allocate memory for SNS commands */
2290 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
e315cd28 2291 /* Get consistent memory allocated for SNS commands */
e8711085 2292 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
e315cd28 2293 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
e8711085 2294 if (!ha->sns_cmd)
e315cd28 2295 goto fail_dma_pool;
e8711085 2296 } else {
e315cd28 2297 /* Get consistent memory allocated for MS IOCB */
e8711085 2298 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
e315cd28 2299 &ha->ms_iocb_dma);
e8711085 2300 if (!ha->ms_iocb)
e315cd28
AC		 2301 goto fail_dma_pool;
2302 /* Get consistent memory allocated for CT SNS commands */
e8711085 2303 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
e315cd28 2304 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
e8711085
AV		 2305 if (!ha->ct_sns)
2306 goto fail_free_ms_iocb;
1da177e4
LT		 2307 }
2308
e315cd28 2309 /* Allocate memory for request ring */
73208dfd
AC		 2310 *req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
2311 if (!*req) {
e315cd28
AC		 2312 DEBUG(printk("Unable to allocate memory for req\n"));
2313 goto fail_req;
2314 }
73208dfd
AC		 2315 (*req)->length = req_len;
2316 (*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
2317 ((*req)->length + 1) * sizeof(request_t),
2318 &(*req)->dma, GFP_KERNEL);
2319 if (!(*req)->ring) {
e315cd28
AC		 2320 DEBUG(printk("Unable to allocate memory for req_ring\n"));
2321 goto fail_req_ring;
2322 }
2323 /* Allocate memory for response ring */
73208dfd
AC		 2324 *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
2325 if (!*rsp) {
2326 qla_printk(KERN_WARNING, ha,
2327 "Unable to allocate memory for rsp\n");
e315cd28
AC		 2328 goto fail_rsp;
2329 }
73208dfd
AC		 2330 (*rsp)->hw = ha;
2331 (*rsp)->length = rsp_len;
2332 (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
2333 ((*rsp)->length + 1) * sizeof(response_t),
2334 &(*rsp)->dma, GFP_KERNEL);
2335 if (!(*rsp)->ring) {
2336 qla_printk(KERN_WARNING, ha,
2337 "Unable to allocate memory for rsp_ring\n");
e315cd28
AC		 2338 goto fail_rsp_ring;
2339 }
73208dfd
AC		 2340 (*req)->rsp = *rsp;
2341 (*rsp)->req = *req;
2342 /* Allocate memory for NVRAM data for vports */
2343 if (ha->nvram_npiv_size) {
2344 ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
2345 ha->nvram_npiv_size, GFP_KERNEL);
2346 if (!ha->npiv_info) {
2347 qla_printk(KERN_WARNING, ha,
2348 "Unable to allocate memory for npiv info\n");
2349 goto fail_npiv_info;
2350 }
2351 } else
2352 ha->npiv_info = NULL;
e8711085 2353
b64b0e8f
AV		 2354 /* Get consistent memory allocated for EX-INIT-CB. */
2355 if (IS_QLA81XX(ha)) {
2356 ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2357 &ha->ex_init_cb_dma);
2358 if (!ha->ex_init_cb)
2359 goto fail_ex_init_cb;
2360 }
2361
e315cd28
AC		 2362 INIT_LIST_HEAD(&ha->vp_list);
2363 return 1;
2364
b64b0e8f
AV		 2365fail_ex_init_cb:
2366 kfree(ha->npiv_info);
73208dfd
AC		 2367fail_npiv_info:
2368 dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
2369 sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
2370 (*rsp)->ring = NULL;
2371 (*rsp)->dma = 0;
e315cd28 2372fail_rsp_ring:
73208dfd 2373 kfree(*rsp);
e315cd28 2374fail_rsp:
73208dfd
AC		 2375 dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
2376 sizeof(request_t), (*req)->ring, (*req)->dma);
2377 (*req)->ring = NULL;
2378 (*req)->dma = 0;
e315cd28 2379fail_req_ring:
73208dfd 2380 kfree(*req);
e315cd28
AC		 2381fail_req:
2382 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2383 ha->ct_sns, ha->ct_sns_dma);
2384 ha->ct_sns = NULL;
2385 ha->ct_sns_dma = 0;
e8711085
AV		 2386fail_free_ms_iocb:
2387 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2388 ha->ms_iocb = NULL;
2389 ha->ms_iocb_dma = 0;
e315cd28
AC		 2390fail_dma_pool:
2391 dma_pool_destroy(ha->s_dma_pool);
2392 ha->s_dma_pool = NULL;
e8711085
AV		 2393fail_free_nvram:
2394 kfree(ha->nvram);
2395 ha->nvram = NULL;
2396fail_free_srb_mempool:
2397 mempool_destroy(ha->srb_mempool);
2398 ha->srb_mempool = NULL;
e8711085
AV		 2399fail_free_gid_list:
2400 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
e315cd28 2401 ha->gid_list_dma);
e8711085
AV		 2402 ha->gid_list = NULL;
2403 ha->gid_list_dma = 0;
e315cd28
AC		 2404fail_free_init_cb:
2405 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
2406 ha->init_cb_dma);
2407 ha->init_cb = NULL;
2408 ha->init_cb_dma = 0;
e8711085 2409fail:
e315cd28 2410 DEBUG(printk("%s: Memory allocation failure\n", __func__));
e8711085 2411 return -ENOMEM;
1da177e4
LT		 2412}
2413
2414/*
2415* qla2x00_mem_free
2416* Frees all adapter allocated memory.
2417*
2418* Input:
2419* ha = adapter block pointer.
2420*/
a824ebb3 2421static void
e315cd28 2422qla2x00_mem_free(struct qla_hw_data *ha)
1da177e4 2423{
e8711085
AV		 2424 if (ha->srb_mempool)
2425 mempool_destroy(ha->srb_mempool);
1da177e4 2426
df613b96
AV		 2427 if (ha->fce)
2428 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
e315cd28 2429 ha->fce_dma);
df613b96 2430
a7a167bf
AV		 2431 if (ha->fw_dump) {
2432 if (ha->eft)
2433 dma_free_coherent(&ha->pdev->dev,
e315cd28 2434 ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
a7a167bf
AV		 2435 vfree(ha->fw_dump);
2436 }
2437
11bbc1d8
AV		 2438 if (ha->dcbx_tlv)
2439 dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
2440 ha->dcbx_tlv, ha->dcbx_tlv_dma);
2441
ce0423f4
AV		 2442 if (ha->xgmac_data)
2443 dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
2444 ha->xgmac_data, ha->xgmac_data_dma);
2445
1da177e4
LT		 2446 if (ha->sns_cmd)
2447 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
e315cd28 2448 ha->sns_cmd, ha->sns_cmd_dma);
1da177e4
LT		 2449
2450 if (ha->ct_sns)
2451 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
e315cd28 2452 ha->ct_sns, ha->ct_sns_dma);
1da177e4 2453
88729e53
AV		 2454 if (ha->sfp_data)
2455 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2456
ad0ecd61
JC		 2457 if (ha->edc_data)
2458 dma_pool_free(ha->s_dma_pool, ha->edc_data, ha->edc_data_dma);
2459
1da177e4
LT		 2460 if (ha->ms_iocb)
2461 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2462
b64b0e8f
AV		 2463 if (ha->ex_init_cb)
2464 dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
2465
1da177e4
LT		 2466 if (ha->s_dma_pool)
2467 dma_pool_destroy(ha->s_dma_pool);
2468
1da177e4
LT		 2469 if (ha->gid_list)
2470 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
e315cd28 2471 ha->gid_list_dma);
1da177e4 2472
e315cd28
AC		 2473 if (ha->init_cb)
2474 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2475 ha->init_cb, ha->init_cb_dma);
2476 vfree(ha->optrom_buffer);
2477 kfree(ha->nvram);
73208dfd 2478 kfree(ha->npiv_info);
1da177e4 2479
e8711085 2480 ha->srb_mempool = NULL;
a7a167bf
AV		 2481 ha->eft = NULL;
2482 ha->eft_dma = 0;
1da177e4
LT		 2483 ha->sns_cmd = NULL;
2484 ha->sns_cmd_dma = 0;
2485 ha->ct_sns = NULL;
2486 ha->ct_sns_dma = 0;
2487 ha->ms_iocb = NULL;
2488 ha->ms_iocb_dma = 0;
1da177e4
LT		 2489 ha->init_cb = NULL;
2490 ha->init_cb_dma = 0;
b64b0e8f
AV		 2491 ha->ex_init_cb = NULL;
2492 ha->ex_init_cb_dma = 0;
1da177e4
LT		 2493
2494 ha->s_dma_pool = NULL;
2495
1da177e4
LT		 2496 ha->gid_list = NULL;
2497 ha->gid_list_dma = 0;
2498
e315cd28
AC		 2499 ha->fw_dump = NULL;
2500 ha->fw_dumped = 0;
2501 ha->fw_dump_reading = 0;
e315cd28 2502}
1da177e4 2503
e315cd28
AC		 2504struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
2505 struct qla_hw_data *ha)
2506{
2507 struct Scsi_Host *host;
2508 struct scsi_qla_host *vha = NULL;
854165f4 2509
e315cd28
AC		 2510 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
2511 if (host == NULL) {
2512 printk(KERN_WARNING
2513 "qla2xxx: Couldn't allocate host from scsi layer!\n");
2514 goto fail;
2515 }
2516
2517 /* Clear our data area */
2518 vha = shost_priv(host);
2519 memset(vha, 0, sizeof(scsi_qla_host_t));
2520
2521 vha->host = host;
2522 vha->host_no = host->host_no;
2523 vha->hw = ha;
2524
2525 INIT_LIST_HEAD(&vha->vp_fcports);
2526 INIT_LIST_HEAD(&vha->work_list);
2527 INIT_LIST_HEAD(&vha->list);
2528
2529 sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
2530 return vha;
2531
2532fail:
2533 return vha;
1da177e4
LT		 2534}
2535
01ef66bb 2536static struct qla_work_evt *
e315cd28 2537qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type,
0971de7f
AV		 2538 int locked)
2539{
2540 struct qla_work_evt *e;
2541
2542 e = kzalloc(sizeof(struct qla_work_evt), locked ? GFP_ATOMIC:
2543 GFP_KERNEL);
2544 if (!e)
2545 return NULL;
2546
2547 INIT_LIST_HEAD(&e->list);
2548 e->type = type;
2549 e->flags = QLA_EVT_FLAG_FREE;
2550 return e;
2551}
2552
01ef66bb 2553static int
e315cd28 2554qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e, int locked)
0971de7f 2555{
bf6583b5 2556 unsigned long uninitialized_var(flags);
e315cd28 2557 struct qla_hw_data *ha = vha->hw;
0971de7f
AV		 2558
2559 if (!locked)
e315cd28
AC		 2560 spin_lock_irqsave(&ha->hardware_lock, flags);
2561 list_add_tail(&e->list, &vha->work_list);
2562 qla2xxx_wake_dpc(vha);
0971de7f 2563 if (!locked)
e315cd28 2564 spin_unlock_irqrestore(&ha->hardware_lock, flags);
0971de7f
AV		 2565 return QLA_SUCCESS;
2566}
2567
2568int
e315cd28 2569qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
0971de7f
AV		 2570 u32 data)
2571{
2572 struct qla_work_evt *e;
2573
e315cd28 2574 e = qla2x00_alloc_work(vha, QLA_EVT_AEN, 1);
0971de7f
AV		 2575 if (!e)
2576 return QLA_FUNCTION_FAILED;
2577
2578 e->u.aen.code = code;
2579 e->u.aen.data = data;
e315cd28 2580 return qla2x00_post_work(vha, e, 1);
0971de7f
AV		 2581}
2582
8a659571
AV		 2583int
2584qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
2585{
2586 struct qla_work_evt *e;
2587
2588 e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK, 1);
2589 if (!e)
2590 return QLA_FUNCTION_FAILED;
2591
2592 memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
2593 return qla2x00_post_work(vha, e, 1);
2594}
2595
0971de7f 2596static void
e315cd28 2597qla2x00_do_work(struct scsi_qla_host *vha)
0971de7f
AV		 2598{
2599 struct qla_work_evt *e;
e315cd28 2600 struct qla_hw_data *ha = vha->hw;
0971de7f 2601
e315cd28
AC		 2602 spin_lock_irq(&ha->hardware_lock);
2603 while (!list_empty(&vha->work_list)) {
2604 e = list_entry(vha->work_list.next, struct qla_work_evt, list);
0971de7f 2605 list_del_init(&e->list);
e315cd28 2606 spin_unlock_irq(&ha->hardware_lock);
0971de7f
AV		 2607
2608 switch (e->type) {
2609 case QLA_EVT_AEN:
e315cd28 2610 fc_host_post_event(vha->host, fc_get_event_number(),
0971de7f
AV		 2611 e->u.aen.code, e->u.aen.data);
2612 break;
8a659571
AV		 2613 case QLA_EVT_IDC_ACK:
2614 qla81xx_idc_ack(vha, e->u.idc_ack.mb);
2615 break;
0971de7f
AV		 2616 }
2617 if (e->flags & QLA_EVT_FLAG_FREE)
2618 kfree(e);
e315cd28
AC		 2619 spin_lock_irq(&ha->hardware_lock);
2620 }
2621 spin_unlock_irq(&ha->hardware_lock);
2622}
2623/* Relogins all the fcports of a vport
2624 * Context: dpc thread
2625 */
2626void qla2x00_relogin(struct scsi_qla_host *vha)
2627{
2628 fc_port_t *fcport;
c6b2fca8 2629 int status;
e315cd28
AC		 2630 uint16_t next_loopid = 0;
2631 struct qla_hw_data *ha = vha->hw;
2632
2633 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2634 /*
2635 * If the port is not ONLINE then try to login
2636 * to it if we haven't run out of retries.
2637 */
2638 if (atomic_read(&fcport->state) !=
2639 FCS_ONLINE && fcport->login_retry) {
2640
2641 if (fcport->flags & FCF_FABRIC_DEVICE) {
2642 if (fcport->flags & FCF_TAPE_PRESENT)
2643 ha->isp_ops->fabric_logout(vha,
2644 fcport->loop_id,
2645 fcport->d_id.b.domain,
2646 fcport->d_id.b.area,
2647 fcport->d_id.b.al_pa);
2648
2649 status = qla2x00_fabric_login(vha, fcport,
2650 &next_loopid);
2651 } else
2652 status = qla2x00_local_device_login(vha,
2653 fcport);
2654
2655 fcport->login_retry--;
2656 if (status == QLA_SUCCESS) {
2657 fcport->old_loop_id = fcport->loop_id;
2658
2659 DEBUG(printk("scsi(%ld): port login OK: logged "
2660 "in ID 0x%x\n", vha->host_no, fcport->loop_id));
2661
2662 qla2x00_update_fcport(vha, fcport);
2663
2664 } else if (status == 1) {
2665 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2666 /* retry the login again */
2667 DEBUG(printk("scsi(%ld): Retrying"
2668 " %d login again loop_id 0x%x\n",
2669 vha->host_no, fcport->login_retry,
2670 fcport->loop_id));
2671 } else {
2672 fcport->login_retry = 0;
2673 }
2674
2675 if (fcport->login_retry == 0 && status != QLA_SUCCESS)
2676 fcport->loop_id = FC_NO_LOOP_ID;
2677 }
2678 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2679 break;
0971de7f 2680 }
0971de7f
AV		 2681}
2682
1da177e4
LT		 2683/**************************************************************************
2684* qla2x00_do_dpc
2685* This kernel thread is a task that is schedule by the interrupt handler
2686* to perform the background processing for interrupts.
2687*
2688* Notes:
2689* This task always run in the context of a kernel thread. It
2690* is kick-off by the driver's detect code and starts up
2691* up one per adapter. It immediately goes to sleep and waits for
2692* some fibre event. When either the interrupt handler or
2693* the timer routine detects a event it will one of the task
2694* bits then wake us up.
2695**************************************************************************/
2696static int
2697qla2x00_do_dpc(void *data)
2698{
2c3dfe3f 2699 int rval;
e315cd28
AC		 2700 scsi_qla_host_t *base_vha;
2701 struct qla_hw_data *ha;
1da177e4 2702
e315cd28
AC		 2703 ha = (struct qla_hw_data *)data;
2704 base_vha = pci_get_drvdata(ha->pdev);
1da177e4 2705
1da177e4
LT		 2706 set_user_nice(current, -20);
2707
39a11240 2708 while (!kthread_should_stop()) {
1da177e4
LT		 2709 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2710
39a11240
CH		 2711 set_current_state(TASK_INTERRUPTIBLE);
2712 schedule();
2713 __set_current_state(TASK_RUNNING);
1da177e4
LT		 2714
2715 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2716
2717 /* Initialization not yet finished. Don't do anything yet. */
e315cd28 2718 if (!base_vha->flags.init_done)
1da177e4
LT		 2719 continue;
2720
e315cd28 2721 DEBUG3(printk("scsi(%ld): DPC handler\n", base_vha->host_no));
1da177e4
LT		 2722
2723 ha->dpc_active = 1;
2724
1da177e4 2725 if (ha->flags.mbox_busy) {
1da177e4
LT		 2726 ha->dpc_active = 0;
2727 continue;
2728 }
2729
e315cd28 2730 qla2x00_do_work(base_vha);
0971de7f 2731
e315cd28
AC		 2732 if (test_and_clear_bit(ISP_ABORT_NEEDED,
2733 &base_vha->dpc_flags)) {
1da177e4
LT		 2734
2735 DEBUG(printk("scsi(%ld): dpc: sched "
2736 "qla2x00_abort_isp ha = %p\n",
e315cd28 2737 base_vha->host_no, ha));
1da177e4 2738 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
e315cd28 2739 &base_vha->dpc_flags))) {
1da177e4 2740
e315cd28 2741 if (qla2x00_abort_isp(base_vha)) {
1da177e4
LT		 2742 /* failed. retry later */
2743 set_bit(ISP_ABORT_NEEDED,
e315cd28 2744 &base_vha->dpc_flags);
99363ef8 2745 }
e315cd28
AC		 2746 clear_bit(ABORT_ISP_ACTIVE,
2747 &base_vha->dpc_flags);
99363ef8
SJ		 2748 }
2749
1da177e4 2750 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
e315cd28 2751 base_vha->host_no));
1da177e4
LT		 2752 }
2753
e315cd28
AC		 2754 if (test_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags)) {
2755 qla2x00_update_fcports(base_vha);
2756 clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
c9c5ced9 2757 }
d97994dc 2758
e315cd28
AC		 2759 if (test_and_clear_bit(RESET_MARKER_NEEDED,
2760 &base_vha->dpc_flags) &&
2761 (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
1da177e4
LT		 2762
2763 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
e315cd28 2764 base_vha->host_no));
1da177e4 2765
e315cd28
AC		 2766 qla2x00_rst_aen(base_vha);
2767 clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
1da177e4
LT		 2768 }
2769
2770 /* Retry each device up to login retry count */
e315cd28
AC		 2771 if ((test_and_clear_bit(RELOGIN_NEEDED,
2772 &base_vha->dpc_flags)) &&
2773 !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
2774 atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
1da177e4
LT		 2775
2776 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
e315cd28
AC		 2777 base_vha->host_no));
2778 qla2x00_relogin(base_vha);
2779
1da177e4 2780 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
e315cd28 2781 base_vha->host_no));
1da177e4
LT		 2782 }
2783
e315cd28
AC		 2784 if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
2785 &base_vha->dpc_flags)) {
1da177e4
LT		 2786
2787 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
e315cd28 2788 base_vha->host_no));
1da177e4
LT		 2789
2790 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
e315cd28 2791 &base_vha->dpc_flags))) {
1da177e4 2792
e315cd28 2793 rval = qla2x00_loop_resync(base_vha);
1da177e4 2794
e315cd28
AC		 2795 clear_bit(LOOP_RESYNC_ACTIVE,
2796 &base_vha->dpc_flags);
1da177e4
LT		 2797 }
2798
2799 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
e315cd28 2800 base_vha->host_no));
1da177e4
LT		 2801 }
2802
e315cd28
AC		 2803 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
2804 atomic_read(&base_vha->loop_state) == LOOP_READY) {
2805 clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
2806 qla2xxx_flash_npiv_conf(base_vha);
272976ca
AV		 2807 }
2808
1da177e4 2809 if (!ha->interrupts_on)
fd34f556 2810 ha->isp_ops->enable_intrs(ha);
1da177e4 2811
e315cd28
AC		 2812 if (test_and_clear_bit(BEACON_BLINK_NEEDED,
2813 &base_vha->dpc_flags))
2814 ha->isp_ops->beacon_blink(base_vha);
f6df144c 2815
e315cd28 2816 qla2x00_do_dpc_all_vps(base_vha);
2c3dfe3f 2817
1da177e4
LT		 2818 ha->dpc_active = 0;
2819 } /* End of while(1) */
2820
e315cd28 2821 DEBUG(printk("scsi(%ld): DPC handler exiting\n", base_vha->host_no));
1da177e4
LT		 2822
2823 /*
2824 * Make sure that nobody tries to wake us up again.
2825 */
1da177e4
LT		 2826 ha->dpc_active = 0;
2827
39a11240
CH		 2828 return 0;
2829}
2830
2831void
e315cd28 2832qla2xxx_wake_dpc(struct scsi_qla_host *vha)
39a11240 2833{
e315cd28 2834 struct qla_hw_data *ha = vha->hw;
c795c1e4
AV		 2835 struct task_struct *t = ha->dpc_thread;
2836
e315cd28 2837 if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
c795c1e4 2838 wake_up_process(t);
1da177e4
LT		 2839}
2840
1da177e4
LT		 2841/*
2842* qla2x00_rst_aen
2843* Processes asynchronous reset.
2844*
2845* Input:
2846* ha = adapter block pointer.
2847*/
2848static void
e315cd28 2849qla2x00_rst_aen(scsi_qla_host_t *vha)
1da177e4 2850{
e315cd28
AC		 2851 if (vha->flags.online && !vha->flags.reset_active &&
2852 !atomic_read(&vha->loop_down_timer) &&
2853 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
1da177e4 2854 do {
e315cd28 2855 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
1da177e4
LT		 2856
2857 /*
2858 * Issue marker command only when we are going to start
2859 * the I/O.
2860 */
e315cd28
AC		 2861 vha->marker_needed = 1;
2862 } while (!atomic_read(&vha->loop_down_timer) &&
2863 (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
1da177e4
LT		 2864 }
2865}
2866
f4f051eb 2867static void
e315cd28 2868qla2x00_sp_free_dma(srb_t *sp)
f4f051eb
AV		 2869{
2870 struct scsi_cmnd *cmd = sp->cmd;
2871
2872 if (sp->flags & SRB_DMA_VALID) {
385d70b4 2873 scsi_dma_unmap(cmd);
f4f051eb
AV		 2874 sp->flags &= ~SRB_DMA_VALID;
2875 }
fca29703 2876 CMD_SP(cmd) = NULL;
f4f051eb
AV		 2877}
2878
2879void
73208dfd 2880qla2x00_sp_compl(struct qla_hw_data *ha, srb_t *sp)
f4f051eb
AV		 2881{
2882 struct scsi_cmnd *cmd = sp->cmd;
2883
e315cd28 2884 qla2x00_sp_free_dma(sp);
f4f051eb 2885
f4f051eb
AV		 2886 mempool_free(sp, ha->srb_mempool);
2887
2888 cmd->scsi_done(cmd);
2889}
bdf79621 2890
1da177e4
LT		 2891/**************************************************************************
2892* qla2x00_timer
2893*
2894* Description:
2895* One second timer
2896*
2897* Context: Interrupt
2898***************************************************************************/
2c3dfe3f 2899void
e315cd28 2900qla2x00_timer(scsi_qla_host_t *vha)
1da177e4 2901{
1da177e4
LT		 2902 unsigned long cpu_flags = 0;
2903 fc_port_t *fcport;
1da177e4
LT		 2904 int start_dpc = 0;
2905 int index;
2906 srb_t *sp;
f4f051eb 2907 int t;
e315cd28 2908 struct qla_hw_data *ha = vha->hw;
73208dfd 2909 struct req_que *req;
1da177e4
LT		 2910 /*
2911 * Ports - Port down timer.
2912 *
2913 * Whenever, a port is in the LOST state we start decrementing its port
2914 * down timer every second until it reaches zero. Once it reaches zero
fa2a1ce5 2915 * the port it marked DEAD.
1da177e4
LT		 2916 */
2917 t = 0;
e315cd28 2918 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1da177e4
LT		 2919 if (fcport->port_type != FCT_TARGET)
2920 continue;
2921
2922 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2923
2924 if (atomic_read(&fcport->port_down_timer) == 0)
2925 continue;
2926
fa2a1ce5 2927 if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
1da177e4 2928 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
fa2a1ce5 2929
1da177e4 2930 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
fca29703 2931 "%d remaining\n",
e315cd28 2932 vha->host_no,
1da177e4
LT		 2933 t, atomic_read(&fcport->port_down_timer)));
2934 }
2935 t++;
2936 } /* End of for fcport */
2937
1da177e4
LT		 2938
2939 /* Loop down handler. */
e315cd28
AC		 2940 if (atomic_read(&vha->loop_down_timer) > 0 &&
2941 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
2942 && vha->flags.online) {
1da177e4 2943
e315cd28
AC		 2944 if (atomic_read(&vha->loop_down_timer) ==
2945 vha->loop_down_abort_time) {
1da177e4
LT		 2946
2947 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2948 "queues before time expire\n",
e315cd28 2949 vha->host_no));
1da177e4 2950
e315cd28
AC		 2951 if (!IS_QLA2100(ha) && vha->link_down_timeout)
2952 atomic_set(&vha->loop_state, LOOP_DEAD);
1da177e4
LT		 2953
2954 /* Schedule an ISP abort to return any tape commands. */
2c3dfe3f 2955 /* NPIV - scan physical port only */
e315cd28 2956 if (!vha->vp_idx) {
2c3dfe3f
SJ		 2957 spin_lock_irqsave(&ha->hardware_lock,
2958 cpu_flags);
73208dfd 2959 req = ha->req_q_map[0];
2c3dfe3f
SJ		 2960 for (index = 1;
2961 index < MAX_OUTSTANDING_COMMANDS;
2962 index++) {
2963 fc_port_t *sfcp;
2964
e315cd28 2965 sp = req->outstanding_cmds[index];
2c3dfe3f
SJ		 2966 if (!sp)
2967 continue;
2968 sfcp = sp->fcport;
2969 if (!(sfcp->flags & FCF_TAPE_PRESENT))
2970 continue;
bdf79621 2971
2c3dfe3f 2972 set_bit(ISP_ABORT_NEEDED,
e315cd28 2973 &vha->dpc_flags);
2c3dfe3f
SJ		 2974 break;
2975 }
2976 spin_unlock_irqrestore(&ha->hardware_lock,
e315cd28 2977 cpu_flags);
1da177e4 2978 }
1da177e4
LT		 2979 start_dpc++;
2980 }
2981
2982 /* if the loop has been down for 4 minutes, reinit adapter */
e315cd28 2983 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
e315cd28
AC		 2984 if (!(vha->device_flags & DFLG_NO_CABLE) &&
2985 !vha->vp_idx) {
1da177e4
LT		 2986 DEBUG(printk("scsi(%ld): Loop down - "
2987 "aborting ISP.\n",
e315cd28 2988 vha->host_no));
1da177e4
LT		 2989 qla_printk(KERN_WARNING, ha,
2990 "Loop down - aborting ISP.\n");
2991
e315cd28 2992 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 2993 }
2994 }
fca29703 2995 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
e315cd28
AC		 2996 vha->host_no,
2997 atomic_read(&vha->loop_down_timer)));
1da177e4
LT		 2998 }
2999
f6df144c
AV		 3000 /* Check if beacon LED needs to be blinked */
3001 if (ha->beacon_blink_led == 1) {
e315cd28 3002 set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
f6df144c
AV		 3003 start_dpc++;
3004 }
3005
550bf57d 3006 /* Process any deferred work. */
e315cd28 3007 if (!list_empty(&vha->work_list))
550bf57d
AV		 3008 start_dpc++;
3009
1da177e4 3010 /* Schedule the DPC routine if needed */
e315cd28
AC		 3011 if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
3012 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
3013 test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
1da177e4 3014 start_dpc ||
e315cd28
AC		 3015 test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
3016 test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
3017 test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
3018 test_bit(RELOGIN_NEEDED, &vha->dpc_flags)))
3019 qla2xxx_wake_dpc(vha);
1da177e4 3020
e315cd28 3021 qla2x00_restart_timer(vha, WATCH_INTERVAL);
1da177e4
LT		 3022}
3023
5433383e
AV		 3024/* Firmware interface routines. */
3025
3a03eb79 3026#define FW_BLOBS 7
5433383e
AV		 3027#define FW_ISP21XX 0
3028#define FW_ISP22XX 1
3029#define FW_ISP2300 2
3030#define FW_ISP2322 3
48c02fde 3031#define FW_ISP24XX 4
c3a2f0df 3032#define FW_ISP25XX 5
3a03eb79 3033#define FW_ISP81XX 6
5433383e 3034
bb8ee499
AV		 3035#define FW_FILE_ISP21XX "ql2100_fw.bin"
3036#define FW_FILE_ISP22XX "ql2200_fw.bin"
3037#define FW_FILE_ISP2300 "ql2300_fw.bin"
3038#define FW_FILE_ISP2322 "ql2322_fw.bin"
3039#define FW_FILE_ISP24XX "ql2400_fw.bin"
c3a2f0df 3040#define FW_FILE_ISP25XX "ql2500_fw.bin"
3a03eb79 3041#define FW_FILE_ISP81XX "ql8100_fw.bin"
bb8ee499 3042
e1e82b6f 3043static DEFINE_MUTEX(qla_fw_lock);
5433383e
AV		 3044
3045static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
bb8ee499
AV		 3046 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
3047 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
3048 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
3049 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
3050 { .name = FW_FILE_ISP24XX, },
c3a2f0df 3051 { .name = FW_FILE_ISP25XX, },
3a03eb79 3052 { .name = FW_FILE_ISP81XX, },
5433383e
AV		 3053};
3054
3055struct fw_blob *
e315cd28 3056qla2x00_request_firmware(scsi_qla_host_t *vha)
5433383e 3057{
e315cd28 3058 struct qla_hw_data *ha = vha->hw;
5433383e
AV		 3059 struct fw_blob *blob;
3060
3061 blob = NULL;
3062 if (IS_QLA2100(ha)) {
3063 blob = &qla_fw_blobs[FW_ISP21XX];
3064 } else if (IS_QLA2200(ha)) {
3065 blob = &qla_fw_blobs[FW_ISP22XX];
48c02fde 3066 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
5433383e 3067 blob = &qla_fw_blobs[FW_ISP2300];
48c02fde 3068 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
5433383e 3069 blob = &qla_fw_blobs[FW_ISP2322];
4d4df193 3070 } else if (IS_QLA24XX_TYPE(ha)) {
5433383e 3071 blob = &qla_fw_blobs[FW_ISP24XX];
c3a2f0df
AV		 3072 } else if (IS_QLA25XX(ha)) {
3073 blob = &qla_fw_blobs[FW_ISP25XX];
3a03eb79
AV		 3074 } else if (IS_QLA81XX(ha)) {
3075 blob = &qla_fw_blobs[FW_ISP81XX];
5433383e
AV		 3076 }
3077
e1e82b6f 3078 mutex_lock(&qla_fw_lock);
5433383e
AV		 3079 if (blob->fw)
3080 goto out;
3081
3082 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
3083 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
e315cd28 3084 "(%s).\n", vha->host_no, blob->name));
5433383e
AV		 3085 blob->fw = NULL;
3086 blob = NULL;
3087 goto out;
3088 }
3089
3090out:
e1e82b6f 3091 mutex_unlock(&qla_fw_lock);
5433383e
AV		 3092 return blob;
3093}
3094
3095static void
3096qla2x00_release_firmware(void)
3097{
3098 int idx;
3099
e1e82b6f 3100 mutex_lock(&qla_fw_lock);
5433383e
AV		 3101 for (idx = 0; idx < FW_BLOBS; idx++)
3102 if (qla_fw_blobs[idx].fw)
3103 release_firmware(qla_fw_blobs[idx].fw);
e1e82b6f 3104 mutex_unlock(&qla_fw_lock);
5433383e
AV		 3105}
3106
14e660e6
SJ		 3107static pci_ers_result_t
3108qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
3109{
b9b12f73
SJ		 3110 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3111
14e660e6
SJ		 3112 switch (state) {
3113 case pci_channel_io_normal:
3114 return PCI_ERS_RESULT_CAN_RECOVER;
3115 case pci_channel_io_frozen:
3116 pci_disable_device(pdev);
3117 return PCI_ERS_RESULT_NEED_RESET;
3118 case pci_channel_io_perm_failure:
b9b12f73 3119 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
14e660e6
SJ		 3120 return PCI_ERS_RESULT_DISCONNECT;
3121 }
3122 return PCI_ERS_RESULT_NEED_RESET;
3123}
3124
3125static pci_ers_result_t
3126qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
3127{
3128 int risc_paused = 0;
3129 uint32_t stat;
3130 unsigned long flags;
e315cd28
AC		 3131 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3132 struct qla_hw_data *ha = base_vha->hw;
14e660e6
SJ		 3133 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3134 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
3135
3136 spin_lock_irqsave(&ha->hardware_lock, flags);
3137 if (IS_QLA2100(ha) || IS_QLA2200(ha)){
3138 stat = RD_REG_DWORD(&reg->hccr);
3139 if (stat & HCCR_RISC_PAUSE)
3140 risc_paused = 1;
3141 } else if (IS_QLA23XX(ha)) {
3142 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
3143 if (stat & HSR_RISC_PAUSED)
3144 risc_paused = 1;
3145 } else if (IS_FWI2_CAPABLE(ha)) {
3146 stat = RD_REG_DWORD(&reg24->host_status);
3147 if (stat & HSRX_RISC_PAUSED)
3148 risc_paused = 1;
3149 }
3150 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3151
3152 if (risc_paused) {
3153 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
3154 "Dumping firmware!\n");
e315cd28 3155 ha->isp_ops->fw_dump(base_vha, 0);
14e660e6
SJ		 3156
3157 return PCI_ERS_RESULT_NEED_RESET;
3158 } else
3159 return PCI_ERS_RESULT_RECOVERED;
3160}
3161
3162static pci_ers_result_t
3163qla2xxx_pci_slot_reset(struct pci_dev *pdev)
3164{
3165 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
e315cd28
AC		 3166 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3167 struct qla_hw_data *ha = base_vha->hw;
09483916
BH		 3168 int rc;
3169
3170 if (ha->mem_only)
3171 rc = pci_enable_device_mem(pdev);
3172 else
3173 rc = pci_enable_device(pdev);
14e660e6 3174
09483916 3175 if (rc) {
14e660e6
SJ		 3176 qla_printk(KERN_WARNING, ha,
3177 "Can't re-enable PCI device after reset.\n");
3178
3179 return ret;
3180 }
3181 pci_set_master(pdev);
3182
e315cd28 3183 if (ha->isp_ops->pci_config(base_vha))
14e660e6
SJ		 3184 return ret;
3185
e315cd28
AC		 3186 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3187 if (qla2x00_abort_isp(base_vha) == QLA_SUCCESS)
14e660e6 3188 ret = PCI_ERS_RESULT_RECOVERED;
e315cd28 3189 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
14e660e6
SJ		 3190
3191 return ret;
3192}
3193
3194static void
3195qla2xxx_pci_resume(struct pci_dev *pdev)
3196{
e315cd28
AC		 3197 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3198 struct qla_hw_data *ha = base_vha->hw;
14e660e6
SJ		 3199 int ret;
3200
e315cd28 3201 ret = qla2x00_wait_for_hba_online(base_vha);
14e660e6
SJ		 3202 if (ret != QLA_SUCCESS) {
3203 qla_printk(KERN_ERR, ha,
3204 "the device failed to resume I/O "
3205 "from slot/link_reset");
3206 }
3207 pci_cleanup_aer_uncorrect_error_status(pdev);
3208}
3209
3210static struct pci_error_handlers qla2xxx_err_handler = {
3211 .error_detected = qla2xxx_pci_error_detected,
3212 .mmio_enabled = qla2xxx_pci_mmio_enabled,
3213 .slot_reset = qla2xxx_pci_slot_reset,
3214 .resume = qla2xxx_pci_resume,
3215};
3216
5433383e 3217static struct pci_device_id qla2xxx_pci_tbl[] = {
47f5e069
AV		 3218 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
3219 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
3220 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
3221 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
3222 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
3223 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
3224 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
3225 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
3226 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
4d4df193 3227 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
47f5e069
AV		 3228 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
3229 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
c3a2f0df 3230 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
3a03eb79 3231 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
5433383e
AV		 3232 { 0 },
3233};
3234MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
3235
fca29703 3236static struct pci_driver qla2xxx_pci_driver = {
cb63067a 3237 .name = QLA2XXX_DRIVER_NAME,
0a21ef1e
JB		 3238 .driver = {
3239 .owner = THIS_MODULE,
3240 },
fca29703 3241 .id_table = qla2xxx_pci_tbl,
7ee61397 3242 .probe = qla2x00_probe_one,
4c993f76 3243 .remove = qla2x00_remove_one,
14e660e6 3244 .err_handler = &qla2xxx_err_handler,
fca29703
AV		 3245};
3246
1da177e4
LT		 3247/**
3248 * qla2x00_module_init - Module initialization.
3249 **/
3250static int __init
3251qla2x00_module_init(void)
3252{
fca29703
AV		 3253 int ret = 0;
3254
1da177e4 3255 /* Allocate cache for SRBs. */
354d6b21 3256 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
20c2df83 3257 SLAB_HWCACHE_ALIGN, NULL);
1da177e4
LT		 3258 if (srb_cachep == NULL) {
3259 printk(KERN_ERR
3260 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
3261 return -ENOMEM;
3262 }
3263
3264 /* Derive version string. */
3265 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
11010fec 3266 if (ql2xextended_error_logging)
0181944f
AV		 3267 strcat(qla2x00_version_str, "-debug");
3268
1c97a12a
AV		 3269 qla2xxx_transport_template =
3270 fc_attach_transport(&qla2xxx_transport_functions);
2c3dfe3f
SJ		 3271 if (!qla2xxx_transport_template) {
3272 kmem_cache_destroy(srb_cachep);
1da177e4 3273 return -ENODEV;
2c3dfe3f
SJ		 3274 }
3275 qla2xxx_transport_vport_template =
3276 fc_attach_transport(&qla2xxx_transport_vport_functions);
3277 if (!qla2xxx_transport_vport_template) {
3278 kmem_cache_destroy(srb_cachep);
3279 fc_release_transport(qla2xxx_transport_template);
1da177e4 3280 return -ENODEV;
2c3dfe3f 3281 }
1da177e4 3282
fd9a29f0
AV		 3283 printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n",
3284 qla2x00_version_str);
7ee61397 3285 ret = pci_register_driver(&qla2xxx_pci_driver);
fca29703
AV		 3286 if (ret) {
3287 kmem_cache_destroy(srb_cachep);
3288 fc_release_transport(qla2xxx_transport_template);
2c3dfe3f 3289 fc_release_transport(qla2xxx_transport_vport_template);
fca29703
AV		 3290 }
3291 return ret;
1da177e4
LT		 3292}
3293
3294/**
3295 * qla2x00_module_exit - Module cleanup.
3296 **/
3297static void __exit
3298qla2x00_module_exit(void)
3299{
7ee61397 3300 pci_unregister_driver(&qla2xxx_pci_driver);
5433383e 3301 qla2x00_release_firmware();
354d6b21 3302 kmem_cache_destroy(srb_cachep);
1da177e4 3303 fc_release_transport(qla2xxx_transport_template);
2c3dfe3f 3304 fc_release_transport(qla2xxx_transport_vport_template);
1da177e4
LT		 3305}
3306
3307module_init(qla2x00_module_init);
3308module_exit(qla2x00_module_exit);
3309
3310MODULE_AUTHOR("QLogic Corporation");
3311MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
3312MODULE_LICENSE("GPL");
3313MODULE_VERSION(QLA2XXX_VERSION);
bb8ee499
AV		 3314MODULE_FIRMWARE(FW_FILE_ISP21XX);
3315MODULE_FIRMWARE(FW_FILE_ISP22XX);
3316MODULE_FIRMWARE(FW_FILE_ISP2300);
3317MODULE_FIRMWARE(FW_FILE_ISP2322);
3318MODULE_FIRMWARE(FW_FILE_ISP24XX);
61623fc3 3319MODULE_FIRMWARE(FW_FILE_ISP25XX);
3a03eb79 3320MODULE_FIRMWARE(FW_FILE_ISP81XX);
Clone of davem's net-next-2.6 tree