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[SCSI] qla2xxx: Generalize srb structure usage.
[linux-2.6-block.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
7163ea81
AC		 290 if (!(ha->fw_attributes & BIT_6)) {
291 qla_printk(KERN_INFO, ha,
292 "Firmware is not multi-queue capable\n");
293 goto fail;
294 }
68ca949c 295 if (ql2xmultique_tag) {
68ca949c
AC		 296 /* create a request queue for IO */
297 options |= BIT_7;
298 req = qla25xx_create_req_que(ha, options, 0, 0, -1,
299 QLA_DEFAULT_QUE_QOS);
300 if (!req) {
301 qla_printk(KERN_WARNING, ha,
302 "Can't create request queue\n");
303 goto fail;
304 }
7163ea81 305 ha->wq = create_workqueue("qla2xxx_wq");
68ca949c
AC		 306 vha->req = ha->req_q_map[req];
307 options |= BIT_1;
308 for (ques = 1; ques < ha->max_rsp_queues; ques++) {
309 ret = qla25xx_create_rsp_que(ha, options, 0, 0, req);
310 if (!ret) {
311 qla_printk(KERN_WARNING, ha,
312 "Response Queue create failed\n");
313 goto fail2;
314 }
315 }
7163ea81
AC		 316 ha->flags.cpu_affinity_enabled = 1;
317
68ca949c
AC		 318 DEBUG2(qla_printk(KERN_INFO, ha,
319 "CPU affinity mode enabled, no. of response"
320 " queues:%d, no. of request queues:%d\n",
321 ha->max_rsp_queues, ha->max_req_queues));
322 }
323 return 0;
324fail2:
325 qla25xx_delete_queues(vha);
7163ea81
AC		 326 destroy_workqueue(ha->wq);
327 ha->wq = NULL;
68ca949c
AC		 328fail:
329 ha->mqenable = 0;
7163ea81
AC		 330 kfree(ha->req_q_map);
331 kfree(ha->rsp_q_map);
332 ha->max_req_queues = ha->max_rsp_queues = 1;
68ca949c
AC		 333 return 1;
334}
335
1da177e4 336static char *
e315cd28 337qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
1da177e4 338{
e315cd28 339 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 340 static char *pci_bus_modes[] = {
341 "33", "66", "100", "133",
342 };
343 uint16_t pci_bus;
344
345 strcpy(str, "PCI");
346 pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
347 if (pci_bus) {
348 strcat(str, "-X (");
349 strcat(str, pci_bus_modes[pci_bus]);
350 } else {
351 pci_bus = (ha->pci_attr & BIT_8) >> 8;
352 strcat(str, " (");
353 strcat(str, pci_bus_modes[pci_bus]);
354 }
355 strcat(str, " MHz)");
356
357 return (str);
358}
359
fca29703 360static char *
e315cd28 361qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
fca29703
AV		 362{
363 static char *pci_bus_modes[] = { "33", "66", "100", "133", };
e315cd28 364 struct qla_hw_data *ha = vha->hw;
fca29703
AV		 365 uint32_t pci_bus;
366 int pcie_reg;
367
368 pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
369 if (pcie_reg) {
370 char lwstr[6];
371 uint16_t pcie_lstat, lspeed, lwidth;
372
373 pcie_reg += 0x12;
374 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
375 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
376 lwidth = (pcie_lstat &
377 (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
378
379 strcpy(str, "PCIe (");
380 if (lspeed == 1)
c87a0d8c 381 strcat(str, "2.5GT/s ");
c3a2f0df 382 else if (lspeed == 2)
c87a0d8c 383 strcat(str, "5.0GT/s ");
fca29703
AV		 384 else
385 strcat(str, "<unknown> ");
386 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
387 strcat(str, lwstr);
388
389 return str;
390 }
391
392 strcpy(str, "PCI");
393 pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
394 if (pci_bus == 0 || pci_bus == 8) {
395 strcat(str, " (");
396 strcat(str, pci_bus_modes[pci_bus >> 3]);
397 } else {
398 strcat(str, "-X ");
399 if (pci_bus & BIT_2)
400 strcat(str, "Mode 2");
401 else
402 strcat(str, "Mode 1");
403 strcat(str, " (");
404 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
405 }
406 strcat(str, " MHz)");
407
408 return str;
409}
410
e5f82ab8 411static char *
e315cd28 412qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str)
1da177e4
LT		 413{
414 char un_str[10];
e315cd28 415 struct qla_hw_data *ha = vha->hw;
fa2a1ce5 416
1da177e4
LT		 417 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
418 ha->fw_minor_version,
419 ha->fw_subminor_version);
420
421 if (ha->fw_attributes & BIT_9) {
422 strcat(str, "FLX");
423 return (str);
424 }
425
426 switch (ha->fw_attributes & 0xFF) {
427 case 0x7:
428 strcat(str, "EF");
429 break;
430 case 0x17:
431 strcat(str, "TP");
432 break;
433 case 0x37:
434 strcat(str, "IP");
435 break;
436 case 0x77:
437 strcat(str, "VI");
438 break;
439 default:
440 sprintf(un_str, "(%x)", ha->fw_attributes);
441 strcat(str, un_str);
442 break;
443 }
444 if (ha->fw_attributes & 0x100)
445 strcat(str, "X");
446
447 return (str);
448}
449
e5f82ab8 450static char *
e315cd28 451qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str)
fca29703 452{
e315cd28 453 struct qla_hw_data *ha = vha->hw;
f0883ac6 454
3a03eb79
AV		 455 sprintf(str, "%d.%02d.%02d (%x)", ha->fw_major_version,
456 ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
fca29703 457 return str;
fca29703
AV		 458}
459
460static inline srb_t *
e315cd28 461qla2x00_get_new_sp(scsi_qla_host_t *vha, fc_port_t *fcport,
fca29703
AV		 462 struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
463{
464 srb_t *sp;
e315cd28 465 struct qla_hw_data *ha = vha->hw;
fca29703
AV		 466
467 sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
468 if (!sp)
469 return sp;
470
fca29703
AV		 471 sp->fcport = fcport;
472 sp->cmd = cmd;
473 sp->flags = 0;
474 CMD_SP(cmd) = (void *)sp;
475 cmd->scsi_done = done;
cf53b069 476 sp->ctx = NULL;
fca29703
AV		 477
478 return sp;
479}
480
1da177e4 481static int
a5326f86 482qla2xxx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
fca29703 483{
e315cd28 484 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
fca29703 485 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
19a7b4ae 486 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
e315cd28
AC		 487 struct qla_hw_data *ha = vha->hw;
488 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
fca29703
AV		 489 srb_t *sp;
490 int rval;
491
e315cd28 492 if (unlikely(pci_channel_offline(ha->pdev))) {
b9b12f73
SJ		 493 if (ha->pdev->error_state == pci_channel_io_frozen)
494 cmd->result = DID_REQUEUE << 16;
495 else
496 cmd->result = DID_NO_CONNECT << 16;
14e660e6
SJ		 497 goto qc24_fail_command;
498 }
499
19a7b4ae
JSEC		 500 rval = fc_remote_port_chkready(rport);
501 if (rval) {
502 cmd->result = rval;
fca29703
AV		 503 goto qc24_fail_command;
504 }
505
387f96b4 506 /* Close window on fcport/rport state-transitioning. */
7b594131
MC		 507 if (fcport->drport)
508 goto qc24_target_busy;
387f96b4 509
fca29703
AV		 510 if (atomic_read(&fcport->state) != FCS_ONLINE) {
511 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
e315cd28 512 atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
fca29703
AV		 513 cmd->result = DID_NO_CONNECT << 16;
514 goto qc24_fail_command;
515 }
7b594131 516 goto qc24_target_busy;
fca29703
AV		 517 }
518
e315cd28 519 spin_unlock_irq(vha->host->host_lock);
fca29703 520
e315cd28 521 sp = qla2x00_get_new_sp(base_vha, fcport, cmd, done);
fca29703
AV		 522 if (!sp)
523 goto qc24_host_busy_lock;
524
e315cd28 525 rval = ha->isp_ops->start_scsi(sp);
fca29703
AV		 526 if (rval != QLA_SUCCESS)
527 goto qc24_host_busy_free_sp;
528
e315cd28 529 spin_lock_irq(vha->host->host_lock);
fca29703
AV		 530
531 return 0;
532
533qc24_host_busy_free_sp:
e315cd28
AC		 534 qla2x00_sp_free_dma(sp);
535 mempool_free(sp, ha->srb_mempool);
fca29703
AV		 536
537qc24_host_busy_lock:
e315cd28 538 spin_lock_irq(vha->host->host_lock);
fca29703
AV		 539 return SCSI_MLQUEUE_HOST_BUSY;
540
7b594131
MC		 541qc24_target_busy:
542 return SCSI_MLQUEUE_TARGET_BUSY;
543
fca29703
AV		 544qc24_fail_command:
545 done(cmd);
546
547 return 0;
548}
549
550
1da177e4
LT		 551/*
552 * qla2x00_eh_wait_on_command
553 * Waits for the command to be returned by the Firmware for some
554 * max time.
555 *
556 * Input:
1da177e4 557 * cmd = Scsi Command to wait on.
1da177e4
LT		 558 *
559 * Return:
560 * Not Found : 0
561 * Found : 1
562 */
563static int
e315cd28 564qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
1da177e4 565{
fe74c71f
AV		 566#define ABORT_POLLING_PERIOD 1000
567#define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
f4f051eb 568 unsigned long wait_iter = ABORT_WAIT_ITER;
569 int ret = QLA_SUCCESS;
1da177e4 570
f4f051eb 571 while (CMD_SP(cmd)) {
fe74c71f 572 msleep(ABORT_POLLING_PERIOD);
1da177e4 573
f4f051eb 574 if (--wait_iter)
575 break;
576 }
577 if (CMD_SP(cmd))
578 ret = QLA_FUNCTION_FAILED;
1da177e4 579
f4f051eb 580 return ret;
1da177e4
LT		 581}
582
583/*
584 * qla2x00_wait_for_hba_online
fa2a1ce5 585 * Wait till the HBA is online after going through
1da177e4
LT		 586 * <= MAX_RETRIES_OF_ISP_ABORT or
587 * finally HBA is disabled ie marked offline
588 *
589 * Input:
590 * ha - pointer to host adapter structure
fa2a1ce5
AV		 591 *
592 * Note:
1da177e4
LT		 593 * Does context switching-Release SPIN_LOCK
594 * (if any) before calling this routine.
595 *
596 * Return:
597 * Success (Adapter is online) : 0
598 * Failed (Adapter is offline/disabled) : 1
599 */
854165f4 600int
e315cd28 601qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
1da177e4 602{
fca29703
AV		 603 int return_status;
604 unsigned long wait_online;
e315cd28
AC		 605 struct qla_hw_data *ha = vha->hw;
606 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1da177e4 607
fa2a1ce5 608 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
e315cd28
AC		 609 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
610 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
611 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
612 ha->dpc_active) && time_before(jiffies, wait_online)) {
1da177e4
LT		 613
614 msleep(1000);
615 }
e315cd28 616 if (base_vha->flags.online)
fa2a1ce5 617 return_status = QLA_SUCCESS;
1da177e4
LT		 618 else
619 return_status = QLA_FUNCTION_FAILED;
620
1da177e4
LT		 621 return (return_status);
622}
623
2533cf67
LC		 624int
625qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
626{
627 int return_status;
628 unsigned long wait_reset;
629 struct qla_hw_data *ha = vha->hw;
630 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
631
632 wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
633 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
634 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
635 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
636 ha->dpc_active) && time_before(jiffies, wait_reset)) {
637
638 msleep(1000);
639
640 if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
641 ha->flags.chip_reset_done)
642 break;
643 }
644 if (ha->flags.chip_reset_done)
645 return_status = QLA_SUCCESS;
646 else
647 return_status = QLA_FUNCTION_FAILED;
648
649 return return_status;
650}
651
1da177e4
LT		 652/*
653 * qla2x00_wait_for_loop_ready
654 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
fa2a1ce5 655 * to be in LOOP_READY state.
1da177e4
LT		 656 * Input:
657 * ha - pointer to host adapter structure
fa2a1ce5
AV		 658 *
659 * Note:
1da177e4
LT		 660 * Does context switching-Release SPIN_LOCK
661 * (if any) before calling this routine.
fa2a1ce5 662 *
1da177e4
LT		 663 *
664 * Return:
665 * Success (LOOP_READY) : 0
666 * Failed (LOOP_NOT_READY) : 1
667 */
fa2a1ce5 668static inline int
e315cd28 669qla2x00_wait_for_loop_ready(scsi_qla_host_t *vha)
1da177e4
LT		 670{
671 int return_status = QLA_SUCCESS;
672 unsigned long loop_timeout ;
e315cd28
AC		 673 struct qla_hw_data *ha = vha->hw;
674 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1da177e4
LT		 675
676 /* wait for 5 min at the max for loop to be ready */
fa2a1ce5 677 loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1da177e4 678
e315cd28
AC		 679 while ((!atomic_read(&base_vha->loop_down_timer) &&
680 atomic_read(&base_vha->loop_state) == LOOP_DOWN) ||
681 atomic_read(&base_vha->loop_state) != LOOP_READY) {
682 if (atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
57680080
RA		 683 return_status = QLA_FUNCTION_FAILED;
684 break;
685 }
1da177e4
LT		 686 msleep(1000);
687 if (time_after_eq(jiffies, loop_timeout)) {
688 return_status = QLA_FUNCTION_FAILED;
689 break;
690 }
691 }
fa2a1ce5 692 return (return_status);
1da177e4
LT		 693}
694
5f3a9a20
SJ		 695void
696qla2x00_abort_fcport_cmds(fc_port_t *fcport)
697{
2afa19a9 698 int cnt;
5f3a9a20
SJ		 699 unsigned long flags;
700 srb_t *sp;
e315cd28
AC		 701 scsi_qla_host_t *vha = fcport->vha;
702 struct qla_hw_data *ha = vha->hw;
73208dfd 703 struct req_que *req;
5f3a9a20 704
e315cd28 705 spin_lock_irqsave(&ha->hardware_lock, flags);
2afa19a9
AC		 706 req = vha->req;
707 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
708 sp = req->outstanding_cmds[cnt];
709 if (!sp)
710 continue;
711 if (sp->fcport != fcport)
5f3a9a20 712 continue;
cf53b069
AV		 713 if (sp->ctx)
714 continue;
5f3a9a20 715
2afa19a9
AC		 716 spin_unlock_irqrestore(&ha->hardware_lock, flags);
717 if (ha->isp_ops->abort_command(sp)) {
718 DEBUG2(qla_printk(KERN_WARNING, ha,
719 "Abort failed -- %lx\n",
720 sp->cmd->serial_number));
721 } else {
722 if (qla2x00_eh_wait_on_command(sp->cmd) !=
723 QLA_SUCCESS)
5f3a9a20 724 DEBUG2(qla_printk(KERN_WARNING, ha,
2afa19a9 725 "Abort failed while waiting -- %lx\n",
73208dfd 726 sp->cmd->serial_number));
5f3a9a20 727 }
2afa19a9 728 spin_lock_irqsave(&ha->hardware_lock, flags);
5f3a9a20 729 }
e315cd28 730 spin_unlock_irqrestore(&ha->hardware_lock, flags);
5f3a9a20
SJ		 731}
732
07db5183
AV		 733static void
734qla2x00_block_error_handler(struct scsi_cmnd *cmnd)
735{
736 struct Scsi_Host *shost = cmnd->device->host;
737 struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device));
738 unsigned long flags;
739
740 spin_lock_irqsave(shost->host_lock, flags);
741 while (rport->port_state == FC_PORTSTATE_BLOCKED) {
742 spin_unlock_irqrestore(shost->host_lock, flags);
743 msleep(1000);
744 spin_lock_irqsave(shost->host_lock, flags);
745 }
746 spin_unlock_irqrestore(shost->host_lock, flags);
747 return;
748}
749
1da177e4
LT		 750/**************************************************************************
751* qla2xxx_eh_abort
752*
753* Description:
754* The abort function will abort the specified command.
755*
756* Input:
757* cmd = Linux SCSI command packet to be aborted.
758*
759* Returns:
760* Either SUCCESS or FAILED.
761*
762* Note:
2ea00202 763* Only return FAILED if command not returned by firmware.
1da177e4 764**************************************************************************/
e5f82ab8 765static int
1da177e4
LT		 766qla2xxx_eh_abort(struct scsi_cmnd *cmd)
767{
e315cd28 768 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
f4f051eb 769 srb_t *sp;
17d98630 770 int ret, i;
f4f051eb 771 unsigned int id, lun;
772 unsigned long serial;
18e144d3 773 unsigned long flags;
2ea00202 774 int wait = 0;
e315cd28 775 struct qla_hw_data *ha = vha->hw;
67c2e93a 776 struct req_que *req = vha->req;
17d98630 777 srb_t *spt;
1da177e4 778
07db5183
AV		 779 qla2x00_block_error_handler(cmd);
780
f4f051eb 781 if (!CMD_SP(cmd))
2ea00202 782 return SUCCESS;
1da177e4 783
2ea00202 784 ret = SUCCESS;
1da177e4 785
f4f051eb 786 id = cmd->device->id;
787 lun = cmd->device->lun;
788 serial = cmd->serial_number;
17d98630
AC		 789 spt = (srb_t *) CMD_SP(cmd);
790 if (!spt)
791 return SUCCESS;
1da177e4 792
f4f051eb 793 /* Check active list for command command. */
e315cd28 794 spin_lock_irqsave(&ha->hardware_lock, flags);
17d98630
AC		 795 for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
796 sp = req->outstanding_cmds[i];
1da177e4 797
17d98630
AC		 798 if (sp == NULL)
799 continue;
cf53b069
AV		 800 if (sp->ctx)
801 continue;
17d98630
AC		 802 if (sp->cmd != cmd)
803 continue;
1da177e4 804
17d98630
AC		 805 DEBUG2(printk("%s(%ld): aborting sp %p from RISC."
806 " pid=%ld.\n", __func__, vha->host_no, sp, serial));
807
808 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2afa19a9 809 if (ha->isp_ops->abort_command(sp)) {
17d98630
AC		 810 DEBUG2(printk("%s(%ld): abort_command "
811 "mbx failed.\n", __func__, vha->host_no));
2ac4b64f 812 ret = FAILED;
17d98630
AC		 813 } else {
814 DEBUG3(printk("%s(%ld): abort_command "
815 "mbx success.\n", __func__, vha->host_no));
816 wait = 1;
73208dfd 817 }
17d98630
AC		 818 spin_lock_irqsave(&ha->hardware_lock, flags);
819 break;
f4f051eb 820 }
e315cd28 821 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1da177e4 822
f4f051eb 823 /* Wait for the command to be returned. */
2ea00202 824 if (wait) {
e315cd28 825 if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
fa2a1ce5 826 qla_printk(KERN_ERR, ha,
f4f051eb 827 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
e315cd28 828 "%x.\n", vha->host_no, id, lun, serial, ret);
2ea00202 829 ret = FAILED;
f4f051eb 830 }
1da177e4 831 }
1da177e4 832
fa2a1ce5 833 qla_printk(KERN_INFO, ha,
2ea00202 834 "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
e315cd28 835 vha->host_no, id, lun, wait, serial, ret);
1da177e4 836
f4f051eb 837 return ret;
838}
1da177e4 839
523ec773
AV		 840enum nexus_wait_type {
841 WAIT_HOST = 0,
842 WAIT_TARGET,
843 WAIT_LUN,
844};
845
f4f051eb 846static int
e315cd28 847qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
17d98630 848 unsigned int l, srb_t *sp, enum nexus_wait_type type)
f4f051eb 849{
17d98630 850 int cnt, match, status;
18e144d3 851 unsigned long flags;
e315cd28 852 struct qla_hw_data *ha = vha->hw;
73208dfd 853 struct req_que *req;
1da177e4 854
523ec773 855 status = QLA_SUCCESS;
17d98630
AC		 856 if (!sp)
857 return status;
858
e315cd28 859 spin_lock_irqsave(&ha->hardware_lock, flags);
67c2e93a 860 req = vha->req;
17d98630
AC		 861 for (cnt = 1; status == QLA_SUCCESS &&
862 cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
863 sp = req->outstanding_cmds[cnt];
864 if (!sp)
523ec773 865 continue;
cf53b069
AV		 866 if (sp->ctx)
867 continue;
17d98630
AC		 868 if (vha->vp_idx != sp->fcport->vha->vp_idx)
869 continue;
870 match = 0;
871 switch (type) {
872 case WAIT_HOST:
873 match = 1;
874 break;
875 case WAIT_TARGET:
876 match = sp->cmd->device->id == t;
877 break;
878 case WAIT_LUN:
879 match = (sp->cmd->device->id == t &&
880 sp->cmd->device->lun == l);
881 break;
73208dfd 882 }
17d98630
AC		 883 if (!match)
884 continue;
885
886 spin_unlock_irqrestore(&ha->hardware_lock, flags);
887 status = qla2x00_eh_wait_on_command(sp->cmd);
888 spin_lock_irqsave(&ha->hardware_lock, flags);
1da177e4 889 }
e315cd28 890 spin_unlock_irqrestore(&ha->hardware_lock, flags);
523ec773
AV		 891
892 return status;
1da177e4
LT		 893}
894
523ec773
AV		 895static char *reset_errors[] = {
896 "HBA not online",
897 "HBA not ready",
898 "Task management failed",
899 "Waiting for command completions",
900};
1da177e4 901
e5f82ab8 902static int
523ec773 903__qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
2afa19a9 904 struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int, int))
1da177e4 905{
e315cd28 906 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
bdf79621 907 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
523ec773 908 int err;
1da177e4 909
07db5183
AV		 910 qla2x00_block_error_handler(cmd);
911
b0328bee 912 if (!fcport)
523ec773 913 return FAILED;
1da177e4 914
e315cd28
AC		 915 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET ISSUED.\n",
916 vha->host_no, cmd->device->id, cmd->device->lun, name);
1da177e4 917
523ec773 918 err = 0;
e315cd28 919 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
523ec773
AV		 920 goto eh_reset_failed;
921 err = 1;
e315cd28 922 if (qla2x00_wait_for_loop_ready(vha) != QLA_SUCCESS)
523ec773
AV		 923 goto eh_reset_failed;
924 err = 2;
2afa19a9
AC		 925 if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
926 != QLA_SUCCESS)
523ec773
AV		 927 goto eh_reset_failed;
928 err = 3;
e315cd28 929 if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
17d98630 930 cmd->device->lun, (srb_t *) CMD_SP(cmd), type) != QLA_SUCCESS)
523ec773
AV		 931 goto eh_reset_failed;
932
e315cd28
AC		 933 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n",
934 vha->host_no, cmd->device->id, cmd->device->lun, name);
523ec773
AV		 935
936 return SUCCESS;
937
938 eh_reset_failed:
e315cd28
AC		 939 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n"
940 , vha->host_no, cmd->device->id, cmd->device->lun, name,
523ec773
AV		 941 reset_errors[err]);
942 return FAILED;
943}
1da177e4 944
523ec773
AV		 945static int
946qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
947{
e315cd28
AC		 948 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
949 struct qla_hw_data *ha = vha->hw;
1da177e4 950
523ec773
AV		 951 return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
952 ha->isp_ops->lun_reset);
1da177e4
LT		 953}
954
1da177e4 955static int
523ec773 956qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1da177e4 957{
e315cd28
AC		 958 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
959 struct qla_hw_data *ha = vha->hw;
1da177e4 960
523ec773
AV		 961 return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
962 ha->isp_ops->target_reset);
1da177e4
LT		 963}
964
1da177e4
LT		 965/**************************************************************************
966* qla2xxx_eh_bus_reset
967*
968* Description:
969* The bus reset function will reset the bus and abort any executing
970* commands.
971*
972* Input:
973* cmd = Linux SCSI command packet of the command that cause the
974* bus reset.
975*
976* Returns:
977* SUCCESS/FAILURE (defined as macro in scsi.h).
978*
979**************************************************************************/
e5f82ab8 980static int
1da177e4
LT		 981qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
982{
e315cd28 983 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
bdf79621 984 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
2c3dfe3f 985 int ret = FAILED;
f4f051eb 986 unsigned int id, lun;
987 unsigned long serial;
17d98630 988 srb_t *sp = (srb_t *) CMD_SP(cmd);
f4f051eb 989
07db5183
AV		 990 qla2x00_block_error_handler(cmd);
991
f4f051eb 992 id = cmd->device->id;
993 lun = cmd->device->lun;
994 serial = cmd->serial_number;
1da177e4 995
b0328bee 996 if (!fcport)
f4f051eb 997 return ret;
1da177e4 998
e315cd28 999 qla_printk(KERN_INFO, vha->hw,
749af3d5 1000 "scsi(%ld:%d:%d): BUS RESET ISSUED.\n", vha->host_no, id, lun);
1da177e4 1001
e315cd28 1002 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1da177e4 1003 DEBUG2(printk("%s failed:board disabled\n",__func__));
f4f051eb 1004 goto eh_bus_reset_done;
1da177e4
LT		 1005 }
1006
e315cd28
AC		 1007 if (qla2x00_wait_for_loop_ready(vha) == QLA_SUCCESS) {
1008 if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
f4f051eb 1009 ret = SUCCESS;
1da177e4 1010 }
f4f051eb 1011 if (ret == FAILED)
1012 goto eh_bus_reset_done;
1da177e4 1013
9a41a62b 1014 /* Flush outstanding commands. */
17d98630 1015 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) !=
523ec773 1016 QLA_SUCCESS)
9a41a62b 1017 ret = FAILED;
1da177e4 1018
f4f051eb 1019eh_bus_reset_done:
e315cd28 1020 qla_printk(KERN_INFO, vha->hw, "%s: reset %s\n", __func__,
f4f051eb 1021 (ret == FAILED) ? "failed" : "succeded");
1da177e4 1022
f4f051eb 1023 return ret;
1da177e4
LT		 1024}
1025
1026/**************************************************************************
1027* qla2xxx_eh_host_reset
1028*
1029* Description:
1030* The reset function will reset the Adapter.
1031*
1032* Input:
1033* cmd = Linux SCSI command packet of the command that cause the
1034* adapter reset.
1035*
1036* Returns:
1037* Either SUCCESS or FAILED.
1038*
1039* Note:
1040**************************************************************************/
e5f82ab8 1041static int
1da177e4
LT		 1042qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1043{
e315cd28 1044 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
bdf79621 1045 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
e315cd28 1046 struct qla_hw_data *ha = vha->hw;
2c3dfe3f 1047 int ret = FAILED;
f4f051eb 1048 unsigned int id, lun;
1049 unsigned long serial;
17d98630 1050 srb_t *sp = (srb_t *) CMD_SP(cmd);
e315cd28 1051 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1da177e4 1052
07db5183
AV		 1053 qla2x00_block_error_handler(cmd);
1054
f4f051eb 1055 id = cmd->device->id;
1056 lun = cmd->device->lun;
1057 serial = cmd->serial_number;
1058
b0328bee 1059 if (!fcport)
f4f051eb 1060 return ret;
1da177e4 1061
1da177e4 1062 qla_printk(KERN_INFO, ha,
e315cd28 1063 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", vha->host_no, id, lun);
1da177e4 1064
e315cd28 1065 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
f4f051eb 1066 goto eh_host_reset_lock;
1da177e4
LT		 1067
1068 /*
1069 * Fixme-may be dpc thread is active and processing
fa2a1ce5 1070 * loop_resync,so wait a while for it to
1da177e4
LT		 1071 * be completed and then issue big hammer.Otherwise
1072 * it may cause I/O failure as big hammer marks the
1073 * devices as lost kicking of the port_down_timer
1074 * while dpc is stuck for the mailbox to complete.
1075 */
e315cd28
AC		 1076 qla2x00_wait_for_loop_ready(vha);
1077 if (vha != base_vha) {
1078 if (qla2x00_vp_abort_isp(vha))
f4f051eb 1079 goto eh_host_reset_lock;
e315cd28 1080 } else {
68ca949c
AC		 1081 if (ha->wq)
1082 flush_workqueue(ha->wq);
1083
e315cd28
AC		 1084 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1085 if (qla2x00_abort_isp(base_vha)) {
1086 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1087 /* failed. schedule dpc to try */
1088 set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1089
1090 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
1091 goto eh_host_reset_lock;
1092 }
1093 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
fa2a1ce5 1094 }
1da177e4 1095
e315cd28 1096 /* Waiting for command to be returned to OS.*/
17d98630 1097 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) ==
e315cd28 1098 QLA_SUCCESS)
f4f051eb 1099 ret = SUCCESS;
1da177e4 1100
f4f051eb 1101eh_host_reset_lock:
f4f051eb 1102 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1103 (ret == FAILED) ? "failed" : "succeded");
1da177e4 1104
f4f051eb 1105 return ret;
1106}
1da177e4
LT		 1107
1108/*
1109* qla2x00_loop_reset
1110* Issue loop reset.
1111*
1112* Input:
1113* ha = adapter block pointer.
1114*
1115* Returns:
1116* 0 = success
1117*/
a4722cf2 1118int
e315cd28 1119qla2x00_loop_reset(scsi_qla_host_t *vha)
1da177e4 1120{
0c8c39af 1121 int ret;
bdf79621 1122 struct fc_port *fcport;
e315cd28 1123 struct qla_hw_data *ha = vha->hw;
1da177e4 1124
d53b48d5
SJ		 1125 if (ha->flags.enable_lip_full_login && !vha->vp_idx &&
1126 !IS_QLA81XX(ha)) {
e315cd28 1127 ret = qla2x00_full_login_lip(vha);
0c8c39af 1128 if (ret != QLA_SUCCESS) {
749af3d5 1129 DEBUG2_3(printk("%s(%ld): failed: "
e315cd28 1130 "full_login_lip=%d.\n", __func__, vha->host_no,
0c8c39af 1131 ret));
749af3d5
AC		 1132 }
1133 atomic_set(&vha->loop_state, LOOP_DOWN);
1134 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1135 qla2x00_mark_all_devices_lost(vha, 0);
1136 qla2x00_wait_for_loop_ready(vha);
0c8c39af
AV		 1137 }
1138
749af3d5 1139 if (ha->flags.enable_lip_reset && !vha->vp_idx) {
e315cd28 1140 ret = qla2x00_lip_reset(vha);
0c8c39af 1141 if (ret != QLA_SUCCESS) {
749af3d5 1142 DEBUG2_3(printk("%s(%ld): failed: "
e315cd28
AC		 1143 "lip_reset=%d.\n", __func__, vha->host_no, ret));
1144 } else
1145 qla2x00_wait_for_loop_ready(vha);
1da177e4
LT		 1146 }
1147
0c8c39af 1148 if (ha->flags.enable_target_reset) {
e315cd28 1149 list_for_each_entry(fcport, &vha->vp_fcports, list) {
bdf79621 1150 if (fcport->port_type != FCT_TARGET)
1da177e4
LT		 1151 continue;
1152
2afa19a9 1153 ret = ha->isp_ops->target_reset(fcport, 0, 0);
0c8c39af
AV		 1154 if (ret != QLA_SUCCESS) {
1155 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1156 "target_reset=%d d_id=%x.\n", __func__,
e315cd28 1157 vha->host_no, ret, fcport->d_id.b24));
0c8c39af 1158 }
1da177e4
LT		 1159 }
1160 }
1da177e4 1161 /* Issue marker command only when we are going to start the I/O */
e315cd28 1162 vha->marker_needed = 1;
1da177e4 1163
0c8c39af 1164 return QLA_SUCCESS;
1da177e4
LT		 1165}
1166
df4bf0bb 1167void
e315cd28 1168qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
df4bf0bb 1169{
73208dfd 1170 int que, cnt;
df4bf0bb
AV		 1171 unsigned long flags;
1172 srb_t *sp;
e315cd28 1173 struct qla_hw_data *ha = vha->hw;
73208dfd 1174 struct req_que *req;
df4bf0bb
AV		 1175
1176 spin_lock_irqsave(&ha->hardware_lock, flags);
2afa19a9 1177 for (que = 0; que < ha->max_req_queues; que++) {
29bdccbe 1178 req = ha->req_q_map[que];
73208dfd
AC		 1179 if (!req)
1180 continue;
1181 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1182 sp = req->outstanding_cmds[cnt];
e612d465 1183 if (sp) {
73208dfd
AC		 1184 req->outstanding_cmds[cnt] = NULL;
1185 sp->cmd->result = res;
1186 qla2x00_sp_compl(ha, sp);
1187 }
df4bf0bb
AV		 1188 }
1189 }
1190 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1191}
1192
f4f051eb 1193static int
1194qla2xxx_slave_alloc(struct scsi_device *sdev)
1da177e4 1195{
bdf79621 1196 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1da177e4 1197
19a7b4ae 1198 if (!rport || fc_remote_port_chkready(rport))
f4f051eb 1199 return -ENXIO;
bdf79621 1200
19a7b4ae 1201 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1da177e4 1202
f4f051eb 1203 return 0;
1204}
1da177e4 1205
f4f051eb 1206static int
1207qla2xxx_slave_configure(struct scsi_device *sdev)
1208{
e315cd28
AC		 1209 scsi_qla_host_t *vha = shost_priv(sdev->host);
1210 struct qla_hw_data *ha = vha->hw;
8482e118 1211 struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
2afa19a9 1212 struct req_que *req = vha->req;
8482e118 1213
f4f051eb 1214 if (sdev->tagged_supported)
73208dfd 1215 scsi_activate_tcq(sdev, req->max_q_depth);
f4f051eb 1216 else
73208dfd 1217 scsi_deactivate_tcq(sdev, req->max_q_depth);
1da177e4 1218
85821c90 1219 rport->dev_loss_tmo = ha->port_down_retry_count;
8482e118 1220
f4f051eb 1221 return 0;
1222}
1da177e4 1223
f4f051eb 1224static void
1225qla2xxx_slave_destroy(struct scsi_device *sdev)
1226{
1227 sdev->hostdata = NULL;
1da177e4
LT		 1228}
1229
ce7e4af7
AV		 1230static int
1231qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
1232{
1233 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1234 return sdev->queue_depth;
1235}
1236
1237static int
1238qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1239{
1240 if (sdev->tagged_supported) {
1241 scsi_set_tag_type(sdev, tag_type);
1242 if (tag_type)
1243 scsi_activate_tcq(sdev, sdev->queue_depth);
1244 else
1245 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1246 } else
1247 tag_type = 0;
1248
1249 return tag_type;
1250}
1251
1da177e4
LT		 1252/**
1253 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1254 * @ha: HA context
1255 *
1256 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1257 * supported addressing method.
1258 */
1259static void
53303c42 1260qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1da177e4 1261{
7524f9b9 1262 /* Assume a 32bit DMA mask. */
1da177e4 1263 ha->flags.enable_64bit_addressing = 0;
1da177e4 1264
6a35528a 1265 if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
7524f9b9
AV		 1266 /* Any upper-dword bits set? */
1267 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
6a35528a 1268 !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
7524f9b9 1269 /* Ok, a 64bit DMA mask is applicable. */
1da177e4 1270 ha->flags.enable_64bit_addressing = 1;
fd34f556
AV		 1271 ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1272 ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
7524f9b9 1273 return;
1da177e4 1274 }
1da177e4 1275 }
7524f9b9 1276
284901a9
YH		 1277 dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1278 pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1da177e4
LT		 1279}
1280
fd34f556 1281static void
e315cd28 1282qla2x00_enable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1283{
1284 unsigned long flags = 0;
1285 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1286
1287 spin_lock_irqsave(&ha->hardware_lock, flags);
1288 ha->interrupts_on = 1;
1289 /* enable risc and host interrupts */
1290 WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1291 RD_REG_WORD(&reg->ictrl);
1292 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1293
1294}
1295
1296static void
e315cd28 1297qla2x00_disable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1298{
1299 unsigned long flags = 0;
1300 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1301
1302 spin_lock_irqsave(&ha->hardware_lock, flags);
1303 ha->interrupts_on = 0;
1304 /* disable risc and host interrupts */
1305 WRT_REG_WORD(&reg->ictrl, 0);
1306 RD_REG_WORD(&reg->ictrl);
1307 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1308}
1309
1310static void
e315cd28 1311qla24xx_enable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1312{
1313 unsigned long flags = 0;
1314 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1315
1316 spin_lock_irqsave(&ha->hardware_lock, flags);
1317 ha->interrupts_on = 1;
1318 WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1319 RD_REG_DWORD(&reg->ictrl);
1320 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1321}
1322
1323static void
e315cd28 1324qla24xx_disable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1325{
1326 unsigned long flags = 0;
1327 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1328
124f85e6
AV		 1329 if (IS_NOPOLLING_TYPE(ha))
1330 return;
fd34f556
AV		 1331 spin_lock_irqsave(&ha->hardware_lock, flags);
1332 ha->interrupts_on = 0;
1333 WRT_REG_DWORD(&reg->ictrl, 0);
1334 RD_REG_DWORD(&reg->ictrl);
1335 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1336}
1337
1338static struct isp_operations qla2100_isp_ops = {
1339 .pci_config = qla2100_pci_config,
1340 .reset_chip = qla2x00_reset_chip,
1341 .chip_diag = qla2x00_chip_diag,
1342 .config_rings = qla2x00_config_rings,
1343 .reset_adapter = qla2x00_reset_adapter,
1344 .nvram_config = qla2x00_nvram_config,
1345 .update_fw_options = qla2x00_update_fw_options,
1346 .load_risc = qla2x00_load_risc,
1347 .pci_info_str = qla2x00_pci_info_str,
1348 .fw_version_str = qla2x00_fw_version_str,
1349 .intr_handler = qla2100_intr_handler,
1350 .enable_intrs = qla2x00_enable_intrs,
1351 .disable_intrs = qla2x00_disable_intrs,
1352 .abort_command = qla2x00_abort_command,
523ec773
AV		 1353 .target_reset = qla2x00_abort_target,
1354 .lun_reset = qla2x00_lun_reset,
fd34f556
AV		 1355 .fabric_login = qla2x00_login_fabric,
1356 .fabric_logout = qla2x00_fabric_logout,
1357 .calc_req_entries = qla2x00_calc_iocbs_32,
1358 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1359 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1360 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1361 .read_nvram = qla2x00_read_nvram_data,
1362 .write_nvram = qla2x00_write_nvram_data,
1363 .fw_dump = qla2100_fw_dump,
1364 .beacon_on = NULL,
1365 .beacon_off = NULL,
1366 .beacon_blink = NULL,
1367 .read_optrom = qla2x00_read_optrom_data,
1368 .write_optrom = qla2x00_write_optrom_data,
1369 .get_flash_version = qla2x00_get_flash_version,
e315cd28 1370 .start_scsi = qla2x00_start_scsi,
fd34f556
AV		 1371};
1372
1373static struct isp_operations qla2300_isp_ops = {
1374 .pci_config = qla2300_pci_config,
1375 .reset_chip = qla2x00_reset_chip,
1376 .chip_diag = qla2x00_chip_diag,
1377 .config_rings = qla2x00_config_rings,
1378 .reset_adapter = qla2x00_reset_adapter,
1379 .nvram_config = qla2x00_nvram_config,
1380 .update_fw_options = qla2x00_update_fw_options,
1381 .load_risc = qla2x00_load_risc,
1382 .pci_info_str = qla2x00_pci_info_str,
1383 .fw_version_str = qla2x00_fw_version_str,
1384 .intr_handler = qla2300_intr_handler,
1385 .enable_intrs = qla2x00_enable_intrs,
1386 .disable_intrs = qla2x00_disable_intrs,
1387 .abort_command = qla2x00_abort_command,
523ec773
AV		 1388 .target_reset = qla2x00_abort_target,
1389 .lun_reset = qla2x00_lun_reset,
fd34f556
AV		 1390 .fabric_login = qla2x00_login_fabric,
1391 .fabric_logout = qla2x00_fabric_logout,
1392 .calc_req_entries = qla2x00_calc_iocbs_32,
1393 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1394 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1395 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1396 .read_nvram = qla2x00_read_nvram_data,
1397 .write_nvram = qla2x00_write_nvram_data,
1398 .fw_dump = qla2300_fw_dump,
1399 .beacon_on = qla2x00_beacon_on,
1400 .beacon_off = qla2x00_beacon_off,
1401 .beacon_blink = qla2x00_beacon_blink,
1402 .read_optrom = qla2x00_read_optrom_data,
1403 .write_optrom = qla2x00_write_optrom_data,
1404 .get_flash_version = qla2x00_get_flash_version,
e315cd28 1405 .start_scsi = qla2x00_start_scsi,
fd34f556
AV		 1406};
1407
1408static struct isp_operations qla24xx_isp_ops = {
1409 .pci_config = qla24xx_pci_config,
1410 .reset_chip = qla24xx_reset_chip,
1411 .chip_diag = qla24xx_chip_diag,
1412 .config_rings = qla24xx_config_rings,
1413 .reset_adapter = qla24xx_reset_adapter,
1414 .nvram_config = qla24xx_nvram_config,
1415 .update_fw_options = qla24xx_update_fw_options,
1416 .load_risc = qla24xx_load_risc,
1417 .pci_info_str = qla24xx_pci_info_str,
1418 .fw_version_str = qla24xx_fw_version_str,
1419 .intr_handler = qla24xx_intr_handler,
1420 .enable_intrs = qla24xx_enable_intrs,
1421 .disable_intrs = qla24xx_disable_intrs,
1422 .abort_command = qla24xx_abort_command,
523ec773
AV		 1423 .target_reset = qla24xx_abort_target,
1424 .lun_reset = qla24xx_lun_reset,
fd34f556
AV		 1425 .fabric_login = qla24xx_login_fabric,
1426 .fabric_logout = qla24xx_fabric_logout,
1427 .calc_req_entries = NULL,
1428 .build_iocbs = NULL,
1429 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1430 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1431 .read_nvram = qla24xx_read_nvram_data,
1432 .write_nvram = qla24xx_write_nvram_data,
1433 .fw_dump = qla24xx_fw_dump,
1434 .beacon_on = qla24xx_beacon_on,
1435 .beacon_off = qla24xx_beacon_off,
1436 .beacon_blink = qla24xx_beacon_blink,
1437 .read_optrom = qla24xx_read_optrom_data,
1438 .write_optrom = qla24xx_write_optrom_data,
1439 .get_flash_version = qla24xx_get_flash_version,
e315cd28 1440 .start_scsi = qla24xx_start_scsi,
fd34f556
AV		 1441};
1442
c3a2f0df
AV		 1443static struct isp_operations qla25xx_isp_ops = {
1444 .pci_config = qla25xx_pci_config,
1445 .reset_chip = qla24xx_reset_chip,
1446 .chip_diag = qla24xx_chip_diag,
1447 .config_rings = qla24xx_config_rings,
1448 .reset_adapter = qla24xx_reset_adapter,
1449 .nvram_config = qla24xx_nvram_config,
1450 .update_fw_options = qla24xx_update_fw_options,
1451 .load_risc = qla24xx_load_risc,
1452 .pci_info_str = qla24xx_pci_info_str,
1453 .fw_version_str = qla24xx_fw_version_str,
1454 .intr_handler = qla24xx_intr_handler,
1455 .enable_intrs = qla24xx_enable_intrs,
1456 .disable_intrs = qla24xx_disable_intrs,
1457 .abort_command = qla24xx_abort_command,
523ec773
AV		 1458 .target_reset = qla24xx_abort_target,
1459 .lun_reset = qla24xx_lun_reset,
c3a2f0df
AV		 1460 .fabric_login = qla24xx_login_fabric,
1461 .fabric_logout = qla24xx_fabric_logout,
1462 .calc_req_entries = NULL,
1463 .build_iocbs = NULL,
1464 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1465 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1466 .read_nvram = qla25xx_read_nvram_data,
1467 .write_nvram = qla25xx_write_nvram_data,
1468 .fw_dump = qla25xx_fw_dump,
1469 .beacon_on = qla24xx_beacon_on,
1470 .beacon_off = qla24xx_beacon_off,
1471 .beacon_blink = qla24xx_beacon_blink,
338c9161 1472 .read_optrom = qla25xx_read_optrom_data,
c3a2f0df
AV		 1473 .write_optrom = qla24xx_write_optrom_data,
1474 .get_flash_version = qla24xx_get_flash_version,
e315cd28 1475 .start_scsi = qla24xx_start_scsi,
c3a2f0df
AV		 1476};
1477
3a03eb79
AV		 1478static struct isp_operations qla81xx_isp_ops = {
1479 .pci_config = qla25xx_pci_config,
1480 .reset_chip = qla24xx_reset_chip,
1481 .chip_diag = qla24xx_chip_diag,
1482 .config_rings = qla24xx_config_rings,
1483 .reset_adapter = qla24xx_reset_adapter,
1484 .nvram_config = qla81xx_nvram_config,
1485 .update_fw_options = qla81xx_update_fw_options,
eaac30be 1486 .load_risc = qla81xx_load_risc,
3a03eb79
AV		 1487 .pci_info_str = qla24xx_pci_info_str,
1488 .fw_version_str = qla24xx_fw_version_str,
1489 .intr_handler = qla24xx_intr_handler,
1490 .enable_intrs = qla24xx_enable_intrs,
1491 .disable_intrs = qla24xx_disable_intrs,
1492 .abort_command = qla24xx_abort_command,
1493 .target_reset = qla24xx_abort_target,
1494 .lun_reset = qla24xx_lun_reset,
1495 .fabric_login = qla24xx_login_fabric,
1496 .fabric_logout = qla24xx_fabric_logout,
1497 .calc_req_entries = NULL,
1498 .build_iocbs = NULL,
1499 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1500 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
3d79038f
AV		 1501 .read_nvram = NULL,
1502 .write_nvram = NULL,
3a03eb79
AV		 1503 .fw_dump = qla81xx_fw_dump,
1504 .beacon_on = qla24xx_beacon_on,
1505 .beacon_off = qla24xx_beacon_off,
1506 .beacon_blink = qla24xx_beacon_blink,
1507 .read_optrom = qla25xx_read_optrom_data,
1508 .write_optrom = qla24xx_write_optrom_data,
1509 .get_flash_version = qla24xx_get_flash_version,
1510 .start_scsi = qla24xx_start_scsi,
3a03eb79
AV		 1511};
1512
ea5b6382 1513static inline void
e315cd28 1514qla2x00_set_isp_flags(struct qla_hw_data *ha)
ea5b6382 1515{
1516 ha->device_type = DT_EXTENDED_IDS;
1517 switch (ha->pdev->device) {
1518 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1519 ha->device_type |= DT_ISP2100;
1520 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1521 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382 1522 break;
1523 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1524 ha->device_type |= DT_ISP2200;
1525 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1526 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382 1527 break;
1528 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1529 ha->device_type |= DT_ISP2300;
4a59f71d 1530 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1531 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1532 break;
1533 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1534 ha->device_type |= DT_ISP2312;
4a59f71d 1535 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1536 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1537 break;
1538 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1539 ha->device_type |= DT_ISP2322;
4a59f71d 1540 ha->device_type |= DT_ZIO_SUPPORTED;
ea5b6382 1541 if (ha->pdev->subsystem_vendor == 0x1028 &&
1542 ha->pdev->subsystem_device == 0x0170)
1543 ha->device_type |= DT_OEM_001;
441d1072 1544 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1545 break;
1546 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1547 ha->device_type |= DT_ISP6312;
441d1072 1548 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1549 break;
1550 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1551 ha->device_type |= DT_ISP6322;
441d1072 1552 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1553 break;
1554 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1555 ha->device_type |= DT_ISP2422;
4a59f71d 1556 ha->device_type |= DT_ZIO_SUPPORTED;
e428924c 1557 ha->device_type |= DT_FWI2;
c76f2c01 1558 ha->device_type |= DT_IIDMA;
441d1072 1559 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1560 break;
1561 case PCI_DEVICE_ID_QLOGIC_ISP2432:
1562 ha->device_type |= DT_ISP2432;
4a59f71d 1563 ha->device_type |= DT_ZIO_SUPPORTED;
e428924c 1564 ha->device_type |= DT_FWI2;
c76f2c01 1565 ha->device_type |= DT_IIDMA;
441d1072 1566 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1567 break;
4d4df193
HK		 1568 case PCI_DEVICE_ID_QLOGIC_ISP8432:
1569 ha->device_type |= DT_ISP8432;
1570 ha->device_type |= DT_ZIO_SUPPORTED;
1571 ha->device_type |= DT_FWI2;
1572 ha->device_type |= DT_IIDMA;
1573 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1574 break;
044cc6c8 1575 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1576 ha->device_type |= DT_ISP5422;
e428924c 1577 ha->device_type |= DT_FWI2;
441d1072 1578 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1579 break;
044cc6c8 1580 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1581 ha->device_type |= DT_ISP5432;
e428924c 1582 ha->device_type |= DT_FWI2;
441d1072 1583 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1584 break;
c3a2f0df
AV		 1585 case PCI_DEVICE_ID_QLOGIC_ISP2532:
1586 ha->device_type |= DT_ISP2532;
1587 ha->device_type |= DT_ZIO_SUPPORTED;
1588 ha->device_type |= DT_FWI2;
1589 ha->device_type |= DT_IIDMA;
441d1072 1590 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1591 break;
3a03eb79
AV		 1592 case PCI_DEVICE_ID_QLOGIC_ISP8001:
1593 ha->device_type |= DT_ISP8001;
1594 ha->device_type |= DT_ZIO_SUPPORTED;
1595 ha->device_type |= DT_FWI2;
1596 ha->device_type |= DT_IIDMA;
1597 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1598 break;
ea5b6382 1599 }
e5b68a61
AC		 1600
1601 /* Get adapter physical port no from interrupt pin register. */
1602 pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
1603 if (ha->port_no & 1)
1604 ha->flags.port0 = 1;
1605 else
1606 ha->flags.port0 = 0;
ea5b6382 1607}
1608
1da177e4 1609static int
e315cd28 1610qla2x00_iospace_config(struct qla_hw_data *ha)
1da177e4 1611{
3776541d 1612 resource_size_t pio;
73208dfd 1613 uint16_t msix;
68ca949c 1614 int cpus;
1da177e4 1615
285d0321
AV		 1616 if (pci_request_selected_regions(ha->pdev, ha->bars,
1617 QLA2XXX_DRIVER_NAME)) {
1618 qla_printk(KERN_WARNING, ha,
1619 "Failed to reserve PIO/MMIO regions (%s)\n",
1620 pci_name(ha->pdev));
1621
1622 goto iospace_error_exit;
1623 }
1624 if (!(ha->bars & 1))
1625 goto skip_pio;
1626
1da177e4
LT		 1627 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1628 pio = pci_resource_start(ha->pdev, 0);
3776541d
AV		 1629 if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1630 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1da177e4
LT		 1631 qla_printk(KERN_WARNING, ha,
1632 "Invalid PCI I/O region size (%s)...\n",
1633 pci_name(ha->pdev));
1634 pio = 0;
1635 }
1636 } else {
1637 qla_printk(KERN_WARNING, ha,
1638 "region #0 not a PIO resource (%s)...\n",
1639 pci_name(ha->pdev));
1640 pio = 0;
1641 }
285d0321 1642 ha->pio_address = pio;
1da177e4 1643
285d0321 1644skip_pio:
1da177e4 1645 /* Use MMIO operations for all accesses. */
3776541d 1646 if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1da177e4 1647 qla_printk(KERN_ERR, ha,
3776541d 1648 "region #1 not an MMIO resource (%s), aborting\n",
1da177e4
LT		 1649 pci_name(ha->pdev));
1650 goto iospace_error_exit;
1651 }
3776541d 1652 if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1da177e4
LT		 1653 qla_printk(KERN_ERR, ha,
1654 "Invalid PCI mem region size (%s), aborting\n",
1655 pci_name(ha->pdev));
1656 goto iospace_error_exit;
1657 }
1658
3776541d 1659 ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1da177e4
LT		 1660 if (!ha->iobase) {
1661 qla_printk(KERN_ERR, ha,
1662 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1663
1664 goto iospace_error_exit;
1665 }
1666
73208dfd 1667 /* Determine queue resources */
2afa19a9 1668 ha->max_req_queues = ha->max_rsp_queues = 1;
68ca949c 1669 if ((ql2xmaxqueues <= 1 || ql2xmultique_tag < 1) &&
2afa19a9 1670 (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
17d98630
AC		 1671 goto mqiobase_exit;
1672 ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1673 pci_resource_len(ha->pdev, 3));
1674 if (ha->mqiobase) {
1675 /* Read MSIX vector size of the board */
1676 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1677 ha->msix_count = msix;
68ca949c
AC		 1678 /* Max queues are bounded by available msix vectors */
1679 /* queue 0 uses two msix vectors */
1680 if (ql2xmultique_tag) {
1681 cpus = num_online_cpus();
27dc9c5a 1682 ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ?
68ca949c
AC		 1683 (cpus + 1) : (ha->msix_count - 1);
1684 ha->max_req_queues = 2;
1685 } else if (ql2xmaxqueues > 1) {
2afa19a9
AC		 1686 ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ?
1687 QLA_MQ_SIZE : ql2xmaxqueues;
1688 DEBUG2(qla_printk(KERN_INFO, ha, "QoS mode set, max no"
1689 " of request queues:%d\n", ha->max_req_queues));
1690 }
68ca949c
AC		 1691 qla_printk(KERN_INFO, ha,
1692 "MSI-X vector count: %d\n", msix);
2afa19a9
AC		 1693 } else
1694 qla_printk(KERN_INFO, ha, "BAR 3 not enabled\n");
17d98630
AC		 1695
1696mqiobase_exit:
2afa19a9 1697 ha->msix_count = ha->max_rsp_queues + 1;
1da177e4
LT		 1698 return (0);
1699
1700iospace_error_exit:
1701 return (-ENOMEM);
1702}
1703
1e99e33a
AV		 1704static void
1705qla2xxx_scan_start(struct Scsi_Host *shost)
1706{
e315cd28 1707 scsi_qla_host_t *vha = shost_priv(shost);
1e99e33a 1708
cbc8eb67
AV		 1709 if (vha->hw->flags.running_gold_fw)
1710 return;
1711
e315cd28
AC		 1712 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1713 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1714 set_bit(RSCN_UPDATE, &vha->dpc_flags);
1715 set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
1e99e33a
AV		 1716}
1717
1718static int
1719qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1720{
e315cd28 1721 scsi_qla_host_t *vha = shost_priv(shost);
1e99e33a 1722
e315cd28 1723 if (!vha->host)
1e99e33a 1724 return 1;
e315cd28 1725 if (time > vha->hw->loop_reset_delay * HZ)
1e99e33a
AV		 1726 return 1;
1727
e315cd28 1728 return atomic_read(&vha->loop_state) == LOOP_READY;
1e99e33a
AV		 1729}
1730
1da177e4
LT		 1731/*
1732 * PCI driver interface
1733 */
7ee61397
AV		 1734static int __devinit
1735qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1da177e4 1736{
a1541d5a 1737 int ret = -ENODEV;
1da177e4 1738 struct Scsi_Host *host;
e315cd28
AC		 1739 scsi_qla_host_t *base_vha = NULL;
1740 struct qla_hw_data *ha;
29856e28 1741 char pci_info[30];
1da177e4 1742 char fw_str[30];
5433383e 1743 struct scsi_host_template *sht;
c51da4ec 1744 int bars, max_id, mem_only = 0;
e315cd28 1745 uint16_t req_length = 0, rsp_length = 0;
73208dfd
AC		 1746 struct req_que *req = NULL;
1747 struct rsp_que *rsp = NULL;
1da177e4 1748
285d0321 1749 bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
a5326f86 1750 sht = &qla2xxx_driver_template;
5433383e 1751 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
8bc69e7d 1752 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
4d4df193 1753 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
8bc69e7d 1754 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
c3a2f0df 1755 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
3a03eb79
AV		 1756 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
1757 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001) {
285d0321 1758 bars = pci_select_bars(pdev, IORESOURCE_MEM);
09483916 1759 mem_only = 1;
285d0321
AV		 1760 }
1761
09483916
BH		 1762 if (mem_only) {
1763 if (pci_enable_device_mem(pdev))
1764 goto probe_out;
1765 } else {
1766 if (pci_enable_device(pdev))
1767 goto probe_out;
1768 }
285d0321 1769
0927678f
JB		 1770 /* This may fail but that's ok */
1771 pci_enable_pcie_error_reporting(pdev);
285d0321 1772
e315cd28
AC		 1773 ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
1774 if (!ha) {
1775 DEBUG(printk("Unable to allocate memory for ha\n"));
1776 goto probe_out;
1da177e4 1777 }
e315cd28 1778 ha->pdev = pdev;
1da177e4
LT		 1779
1780 /* Clear our data area */
285d0321 1781 ha->bars = bars;
09483916 1782 ha->mem_only = mem_only;
df4bf0bb 1783 spin_lock_init(&ha->hardware_lock);
1da177e4 1784
ea5b6382 1785 /* Set ISP-type information. */
1786 qla2x00_set_isp_flags(ha);
1da177e4
LT		 1787 /* Configure PCI I/O space */
1788 ret = qla2x00_iospace_config(ha);
a1541d5a 1789 if (ret)
e315cd28 1790 goto probe_hw_failed;
1da177e4 1791
1da177e4 1792 qla_printk(KERN_INFO, ha,
5433383e
AV		 1793 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1794 ha->iobase);
1da177e4 1795
1da177e4 1796 ha->prev_topology = 0;
fca29703 1797 ha->init_cb_size = sizeof(init_cb_t);
d8b45213 1798 ha->link_data_rate = PORT_SPEED_UNKNOWN;
854165f4 1799 ha->optrom_size = OPTROM_SIZE_2300;
1da177e4 1800
abbd8870 1801 /* Assign ISP specific operations. */
e315cd28 1802 max_id = MAX_TARGETS_2200;
1da177e4 1803 if (IS_QLA2100(ha)) {
e315cd28 1804 max_id = MAX_TARGETS_2100;
1da177e4 1805 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
e315cd28
AC		 1806 req_length = REQUEST_ENTRY_CNT_2100;
1807 rsp_length = RESPONSE_ENTRY_CNT_2100;
1808 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
abbd8870 1809 ha->gid_list_info_size = 4;
3a03eb79
AV		 1810 ha->flash_conf_off = ~0;
1811 ha->flash_data_off = ~0;
1812 ha->nvram_conf_off = ~0;
1813 ha->nvram_data_off = ~0;
fd34f556 1814 ha->isp_ops = &qla2100_isp_ops;
1da177e4 1815 } else if (IS_QLA2200(ha)) {
1da177e4 1816 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1817 req_length = REQUEST_ENTRY_CNT_2200;
1818 rsp_length = RESPONSE_ENTRY_CNT_2100;
1819 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
abbd8870 1820 ha->gid_list_info_size = 4;
3a03eb79
AV		 1821 ha->flash_conf_off = ~0;
1822 ha->flash_data_off = ~0;
1823 ha->nvram_conf_off = ~0;
1824 ha->nvram_data_off = ~0;
fd34f556 1825 ha->isp_ops = &qla2100_isp_ops;
fca29703 1826 } else if (IS_QLA23XX(ha)) {
1da177e4 1827 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1828 req_length = REQUEST_ENTRY_CNT_2200;
1829 rsp_length = RESPONSE_ENTRY_CNT_2300;
1830 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
abbd8870 1831 ha->gid_list_info_size = 6;
854165f4 1832 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1833 ha->optrom_size = OPTROM_SIZE_2322;
3a03eb79
AV		 1834 ha->flash_conf_off = ~0;
1835 ha->flash_data_off = ~0;
1836 ha->nvram_conf_off = ~0;
1837 ha->nvram_data_off = ~0;
fd34f556 1838 ha->isp_ops = &qla2300_isp_ops;
4d4df193 1839 } else if (IS_QLA24XX_TYPE(ha)) {
fca29703 1840 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1841 req_length = REQUEST_ENTRY_CNT_24XX;
1842 rsp_length = RESPONSE_ENTRY_CNT_2300;
1843 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2c3dfe3f 1844 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
fca29703 1845 ha->gid_list_info_size = 8;
854165f4 1846 ha->optrom_size = OPTROM_SIZE_24XX;
73208dfd 1847 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
fd34f556 1848 ha->isp_ops = &qla24xx_isp_ops;
3a03eb79
AV		 1849 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
1850 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
1851 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
1852 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
c3a2f0df 1853 } else if (IS_QLA25XX(ha)) {
c3a2f0df 1854 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1855 req_length = REQUEST_ENTRY_CNT_24XX;
1856 rsp_length = RESPONSE_ENTRY_CNT_2300;
1857 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
c3a2f0df 1858 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
c3a2f0df
AV		 1859 ha->gid_list_info_size = 8;
1860 ha->optrom_size = OPTROM_SIZE_25XX;
73208dfd 1861 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
c3a2f0df 1862 ha->isp_ops = &qla25xx_isp_ops;
3a03eb79
AV		 1863 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
1864 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
1865 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
1866 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
1867 } else if (IS_QLA81XX(ha)) {
1868 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1869 req_length = REQUEST_ENTRY_CNT_24XX;
1870 rsp_length = RESPONSE_ENTRY_CNT_2300;
1871 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1872 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
1873 ha->gid_list_info_size = 8;
1874 ha->optrom_size = OPTROM_SIZE_81XX;
40859ae5 1875 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3a03eb79
AV		 1876 ha->isp_ops = &qla81xx_isp_ops;
1877 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
1878 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
1879 ha->nvram_conf_off = ~0;
1880 ha->nvram_data_off = ~0;
1da177e4 1881 }
1da177e4 1882
6c2f527c 1883 mutex_init(&ha->vport_lock);
0b05a1f0
MB		 1884 init_completion(&ha->mbx_cmd_comp);
1885 complete(&ha->mbx_cmd_comp);
1886 init_completion(&ha->mbx_intr_comp);
1da177e4 1887
2c3dfe3f 1888 set_bit(0, (unsigned long *) ha->vp_idx_map);
1da177e4 1889
53303c42 1890 qla2x00_config_dma_addressing(ha);
73208dfd 1891 ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
e315cd28 1892 if (!ret) {
1da177e4
LT		 1893 qla_printk(KERN_WARNING, ha,
1894 "[ERROR] Failed to allocate memory for adapter\n");
1895
e315cd28
AC		 1896 goto probe_hw_failed;
1897 }
1898
73208dfd 1899 req->max_q_depth = MAX_Q_DEPTH;
e315cd28 1900 if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
73208dfd
AC		 1901 req->max_q_depth = ql2xmaxqdepth;
1902
e315cd28
AC		 1903
1904 base_vha = qla2x00_create_host(sht, ha);
1905 if (!base_vha) {
1906 qla_printk(KERN_WARNING, ha,
1907 "[ERROR] Failed to allocate memory for scsi_host\n");
1908
a1541d5a 1909 ret = -ENOMEM;
6e9f21f3 1910 qla2x00_mem_free(ha);
2afa19a9
AC		 1911 qla2x00_free_req_que(ha, req);
1912 qla2x00_free_rsp_que(ha, rsp);
e315cd28 1913 goto probe_hw_failed;
1da177e4
LT		 1914 }
1915
e315cd28
AC		 1916 pci_set_drvdata(pdev, base_vha);
1917
e315cd28 1918 host = base_vha->host;
2afa19a9 1919 base_vha->req = req;
73208dfd
AC		 1920 host->can_queue = req->length + 128;
1921 if (IS_QLA2XXX_MIDTYPE(ha))
e315cd28 1922 base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
73208dfd 1923 else
e315cd28
AC		 1924 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
1925 base_vha->vp_idx;
e315cd28
AC		 1926 if (IS_QLA2100(ha))
1927 host->sg_tablesize = 32;
1928 host->max_id = max_id;
1929 host->this_id = 255;
1930 host->cmd_per_lun = 3;
1931 host->unique_id = host->host_no;
1932 host->max_cmd_len = MAX_CMDSZ;
1933 host->max_channel = MAX_BUSES - 1;
1934 host->max_lun = MAX_LUNS;
1935 host->transportt = qla2xxx_transport_template;
1936
73208dfd
AC		 1937 /* Set up the irqs */
1938 ret = qla2x00_request_irqs(ha, rsp);
1939 if (ret)
6e9f21f3 1940 goto probe_init_failed;
73208dfd 1941 /* Alloc arrays of request and response ring ptrs */
7163ea81 1942que_init:
73208dfd
AC		 1943 if (!qla2x00_alloc_queues(ha)) {
1944 qla_printk(KERN_WARNING, ha,
1945 "[ERROR] Failed to allocate memory for queue"
1946 " pointers\n");
6e9f21f3 1947 goto probe_init_failed;
73208dfd
AC		 1948 }
1949 ha->rsp_q_map[0] = rsp;
1950 ha->req_q_map[0] = req;
2afa19a9
AC		 1951 rsp->req = req;
1952 req->rsp = rsp;
1953 set_bit(0, ha->req_qid_map);
1954 set_bit(0, ha->rsp_qid_map);
08029990
AV		 1955 /* FWI2-capable only. */
1956 req->req_q_in = &ha->iobase->isp24.req_q_in;
1957 req->req_q_out = &ha->iobase->isp24.req_q_out;
1958 rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
1959 rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
17d98630 1960 if (ha->mqenable) {
08029990
AV		 1961 req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
1962 req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
1963 rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
1964 rsp->rsp_q_out = &ha->mqiobase->isp25mq.rsp_q_out;
17d98630
AC		 1965 }
1966
e315cd28 1967 if (qla2x00_initialize_adapter(base_vha)) {
1da177e4
LT		 1968 qla_printk(KERN_WARNING, ha,
1969 "Failed to initialize adapter\n");
1970
1971 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1972 "Adapter flags %x.\n",
e315cd28 1973 base_vha->host_no, base_vha->device_flags));
1da177e4 1974
a1541d5a 1975 ret = -ENODEV;
1da177e4
LT		 1976 goto probe_failed;
1977 }
1978
7163ea81
AC		 1979 if (ha->mqenable) {
1980 if (qla25xx_setup_mode(base_vha)) {
68ca949c
AC		 1981 qla_printk(KERN_WARNING, ha,
1982 "Can't create queues, falling back to single"
1983 " queue mode\n");
7163ea81
AC		 1984 goto que_init;
1985 }
1986 }
68ca949c 1987
cbc8eb67
AV		 1988 if (ha->flags.running_gold_fw)
1989 goto skip_dpc;
1990
1da177e4
LT		 1991 /*
1992 * Startup the kernel thread for this host adapter
1993 */
39a11240 1994 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
e315cd28 1995 "%s_dpc", base_vha->host_str);
39a11240 1996 if (IS_ERR(ha->dpc_thread)) {
1da177e4
LT		 1997 qla_printk(KERN_WARNING, ha,
1998 "Unable to start DPC thread!\n");
39a11240 1999 ret = PTR_ERR(ha->dpc_thread);
1da177e4
LT		 2000 goto probe_failed;
2001 }
1da177e4 2002
cbc8eb67 2003skip_dpc:
e315cd28
AC		 2004 list_add_tail(&base_vha->list, &ha->vp_list);
2005 base_vha->host->irq = ha->pdev->irq;
1da177e4
LT		 2006
2007 /* Initialized the timer */
e315cd28 2008 qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
1da177e4
LT		 2009
2010 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
e315cd28 2011 base_vha->host_no, ha));
d19044c3 2012
e315cd28
AC		 2013 base_vha->flags.init_done = 1;
2014 base_vha->flags.online = 1;
d19044c3 2015
a1541d5a
AV		 2016 ret = scsi_add_host(host, &pdev->dev);
2017 if (ret)
2018 goto probe_failed;
2019
048feec5
AV		 2020 ha->isp_ops->enable_intrs(ha);
2021
1e99e33a
AV		 2022 scsi_scan_host(host);
2023
e315cd28 2024 qla2x00_alloc_sysfs_attr(base_vha);
a1541d5a 2025
e315cd28 2026 qla2x00_init_host_attr(base_vha);
a1541d5a 2027
e315cd28 2028 qla2x00_dfs_setup(base_vha);
df613b96 2029
1da177e4
LT		 2030 qla_printk(KERN_INFO, ha, "\n"
2031 " QLogic Fibre Channel HBA Driver: %s\n"
2032 " QLogic %s - %s\n"
5433383e
AV		 2033 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
2034 qla2x00_version_str, ha->model_number,
e315cd28
AC		 2035 ha->model_desc ? ha->model_desc : "", pdev->device,
2036 ha->isp_ops->pci_info_str(base_vha, pci_info), pci_name(pdev),
2037 ha->flags.enable_64bit_addressing ? '+' : '-', base_vha->host_no,
2038 ha->isp_ops->fw_version_str(base_vha, fw_str));
1da177e4 2039
1da177e4
LT		 2040 return 0;
2041
6e9f21f3 2042probe_init_failed:
2afa19a9
AC		 2043 qla2x00_free_req_que(ha, req);
2044 qla2x00_free_rsp_que(ha, rsp);
2045 ha->max_req_queues = ha->max_rsp_queues = 0;
6e9f21f3 2046
1da177e4 2047probe_failed:
b9978769
AV		 2048 if (base_vha->timer_active)
2049 qla2x00_stop_timer(base_vha);
2050 base_vha->flags.online = 0;
2051 if (ha->dpc_thread) {
2052 struct task_struct *t = ha->dpc_thread;
2053
2054 ha->dpc_thread = NULL;
2055 kthread_stop(t);
2056 }
2057
e315cd28 2058 qla2x00_free_device(base_vha);
1da177e4 2059
e315cd28 2060 scsi_host_put(base_vha->host);
1da177e4 2061
e315cd28
AC		 2062probe_hw_failed:
2063 if (ha->iobase)
2064 iounmap(ha->iobase);
2065
2066 pci_release_selected_regions(ha->pdev, ha->bars);
2067 kfree(ha);
2068 ha = NULL;
1da177e4 2069
a1541d5a 2070probe_out:
e315cd28 2071 pci_disable_device(pdev);
a1541d5a 2072 return ret;
1da177e4 2073}
1da177e4 2074
4c993f76 2075static void
7ee61397 2076qla2x00_remove_one(struct pci_dev *pdev)
1da177e4 2077{
e315cd28
AC		 2078 scsi_qla_host_t *base_vha, *vha, *temp;
2079 struct qla_hw_data *ha;
2080
2081 base_vha = pci_get_drvdata(pdev);
2082 ha = base_vha->hw;
2083
2084 list_for_each_entry_safe(vha, temp, &ha->vp_list, list) {
2085 if (vha && vha->fc_vport)
2086 fc_vport_terminate(vha->fc_vport);
2087 }
1da177e4 2088
e315cd28 2089 set_bit(UNLOADING, &base_vha->dpc_flags);
1da177e4 2090
b9978769
AV		 2091 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
2092
e315cd28 2093 qla2x00_dfs_remove(base_vha);
c795c1e4 2094
e315cd28 2095 qla84xx_put_chip(base_vha);
c795c1e4 2096
b9978769
AV		 2097 /* Disable timer */
2098 if (base_vha->timer_active)
2099 qla2x00_stop_timer(base_vha);
2100
2101 base_vha->flags.online = 0;
2102
68ca949c
AC		 2103 /* Flush the work queue and remove it */
2104 if (ha->wq) {
2105 flush_workqueue(ha->wq);
2106 destroy_workqueue(ha->wq);
2107 ha->wq = NULL;
2108 }
2109
b9978769
AV		 2110 /* Kill the kernel thread for this host */
2111 if (ha->dpc_thread) {
2112 struct task_struct *t = ha->dpc_thread;
2113
2114 /*
2115 * qla2xxx_wake_dpc checks for ->dpc_thread
2116 * so we need to zero it out.
2117 */
2118 ha->dpc_thread = NULL;
2119 kthread_stop(t);
2120 }
2121
e315cd28 2122 qla2x00_free_sysfs_attr(base_vha);
df613b96 2123
e315cd28 2124 fc_remove_host(base_vha->host);
4d4df193 2125
e315cd28 2126 scsi_remove_host(base_vha->host);
1da177e4 2127
e315cd28 2128 qla2x00_free_device(base_vha);
bdf79621 2129
e315cd28 2130 scsi_host_put(base_vha->host);
1da177e4 2131
e315cd28
AC		 2132 if (ha->iobase)
2133 iounmap(ha->iobase);
1da177e4 2134
73208dfd
AC		 2135 if (ha->mqiobase)
2136 iounmap(ha->mqiobase);
2137
e315cd28
AC		 2138 pci_release_selected_regions(ha->pdev, ha->bars);
2139 kfree(ha);
2140 ha = NULL;
1da177e4 2141
665db93b 2142 pci_disable_device(pdev);
1da177e4
LT		 2143 pci_set_drvdata(pdev, NULL);
2144}
1da177e4
LT		 2145
2146static void
e315cd28 2147qla2x00_free_device(scsi_qla_host_t *vha)
1da177e4 2148{
e315cd28 2149 struct qla_hw_data *ha = vha->hw;
1da177e4 2150
2afa19a9
AC		 2151 qla25xx_delete_queues(vha);
2152
df613b96 2153 if (ha->flags.fce_enabled)
e315cd28 2154 qla2x00_disable_fce_trace(vha, NULL, NULL);
df613b96 2155
a7a167bf 2156 if (ha->eft)
e315cd28 2157 qla2x00_disable_eft_trace(vha);
a7a167bf 2158
f6ef3b18 2159 /* Stop currently executing firmware. */
e315cd28 2160 qla2x00_try_to_stop_firmware(vha);
1da177e4 2161
f6ef3b18
AV		 2162 /* turn-off interrupts on the card */
2163 if (ha->interrupts_on)
fd34f556 2164 ha->isp_ops->disable_intrs(ha);
f6ef3b18 2165
e315cd28 2166 qla2x00_free_irqs(vha);
1da177e4 2167
e315cd28 2168 qla2x00_mem_free(ha);
73208dfd
AC		 2169
2170 qla2x00_free_queues(ha);
1da177e4
LT		 2171}
2172
d97994dc 2173static inline void
e315cd28 2174qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
d97994dc 2175 int defer)
2176{
d97994dc 2177 struct fc_rport *rport;
2178
2179 if (!fcport->rport)
2180 return;
2181
2182 rport = fcport->rport;
2183 if (defer) {
e315cd28 2184 spin_lock_irq(vha->host->host_lock);
d97994dc 2185 fcport->drport = rport;
e315cd28
AC		 2186 spin_unlock_irq(vha->host->host_lock);
2187 set_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags);
2188 qla2xxx_wake_dpc(vha);
5f3a9a20 2189 } else
d97994dc 2190 fc_remote_port_delete(rport);
d97994dc 2191}
2192
1da177e4
LT		 2193/*
2194 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
2195 *
2196 * Input: ha = adapter block pointer. fcport = port structure pointer.
2197 *
2198 * Return: None.
2199 *
2200 * Context:
2201 */
e315cd28 2202void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
d97994dc 2203 int do_login, int defer)
1da177e4 2204{
2c3dfe3f 2205 if (atomic_read(&fcport->state) == FCS_ONLINE &&
e315cd28
AC		 2206 vha->vp_idx == fcport->vp_idx) {
2207 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2208 qla2x00_schedule_rport_del(vha, fcport, defer);
2209 }
fa2a1ce5 2210 /*
1da177e4
LT		 2211 * We may need to retry the login, so don't change the state of the
2212 * port but do the retries.
2213 */
2214 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
2215 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2216
2217 if (!do_login)
2218 return;
2219
2220 if (fcport->login_retry == 0) {
e315cd28
AC		 2221 fcport->login_retry = vha->hw->login_retry_count;
2222 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1da177e4
LT		 2223
2224 DEBUG(printk("scsi(%ld): Port login retry: "
2225 "%02x%02x%02x%02x%02x%02x%02x%02x, "
2226 "id = 0x%04x retry cnt=%d\n",
e315cd28 2227 vha->host_no,
1da177e4
LT		 2228 fcport->port_name[0],
2229 fcport->port_name[1],
2230 fcport->port_name[2],
2231 fcport->port_name[3],
2232 fcport->port_name[4],
2233 fcport->port_name[5],
2234 fcport->port_name[6],
2235 fcport->port_name[7],
2236 fcport->loop_id,
2237 fcport->login_retry));
2238 }
2239}
2240
2241/*
2242 * qla2x00_mark_all_devices_lost
2243 * Updates fcport state when device goes offline.
2244 *
2245 * Input:
2246 * ha = adapter block pointer.
2247 * fcport = port structure pointer.
2248 *
2249 * Return:
2250 * None.
2251 *
2252 * Context:
2253 */
2254void
e315cd28 2255qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
1da177e4
LT		 2256{
2257 fc_port_t *fcport;
2258
e315cd28
AC		 2259 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2260 if (vha->vp_idx != fcport->vp_idx)
1da177e4 2261 continue;
1da177e4
LT		 2262 /*
2263 * No point in marking the device as lost, if the device is
2264 * already DEAD.
2265 */
2266 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
2267 continue;
e315cd28
AC		 2268 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2269 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2270 qla2x00_schedule_rport_del(vha, fcport, defer);
2271 } else
2272 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1da177e4
LT		 2273 }
2274}
2275
2276/*
2277* qla2x00_mem_alloc
2278* Allocates adapter memory.
2279*
2280* Returns:
2281* 0 = success.
e8711085 2282* !0 = failure.
1da177e4 2283*/
e8711085 2284static int
73208dfd
AC		 2285qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
2286 struct req_que **req, struct rsp_que **rsp)
1da177e4
LT		 2287{
2288 char name[16];
1da177e4 2289
e8711085 2290 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
e315cd28 2291 &ha->init_cb_dma, GFP_KERNEL);
e8711085 2292 if (!ha->init_cb)
e315cd28 2293 goto fail;
e8711085 2294
e315cd28
AC		 2295 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2296 &ha->gid_list_dma, GFP_KERNEL);
2297 if (!ha->gid_list)
e8711085 2298 goto fail_free_init_cb;
1da177e4 2299
e8711085
AV		 2300 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2301 if (!ha->srb_mempool)
e315cd28 2302 goto fail_free_gid_list;
e8711085
AV		 2303
2304 /* Get memory for cached NVRAM */
2305 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2306 if (!ha->nvram)
2307 goto fail_free_srb_mempool;
2308
e315cd28
AC		 2309 snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
2310 ha->pdev->device);
2311 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2312 DMA_POOL_SIZE, 8, 0);
2313 if (!ha->s_dma_pool)
2314 goto fail_free_nvram;
2315
e8711085
AV		 2316 /* Allocate memory for SNS commands */
2317 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
e315cd28 2318 /* Get consistent memory allocated for SNS commands */
e8711085 2319 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
e315cd28 2320 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
e8711085 2321 if (!ha->sns_cmd)
e315cd28 2322 goto fail_dma_pool;
e8711085 2323 } else {
e315cd28 2324 /* Get consistent memory allocated for MS IOCB */
e8711085 2325 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
e315cd28 2326 &ha->ms_iocb_dma);
e8711085 2327 if (!ha->ms_iocb)
e315cd28
AC		 2328 goto fail_dma_pool;
2329 /* Get consistent memory allocated for CT SNS commands */
e8711085 2330 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
e315cd28 2331 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
e8711085
AV		 2332 if (!ha->ct_sns)
2333 goto fail_free_ms_iocb;
1da177e4
LT		 2334 }
2335
e315cd28 2336 /* Allocate memory for request ring */
73208dfd
AC		 2337 *req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
2338 if (!*req) {
e315cd28
AC		 2339 DEBUG(printk("Unable to allocate memory for req\n"));
2340 goto fail_req;
2341 }
73208dfd
AC		 2342 (*req)->length = req_len;
2343 (*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
2344 ((*req)->length + 1) * sizeof(request_t),
2345 &(*req)->dma, GFP_KERNEL);
2346 if (!(*req)->ring) {
e315cd28
AC		 2347 DEBUG(printk("Unable to allocate memory for req_ring\n"));
2348 goto fail_req_ring;
2349 }
2350 /* Allocate memory for response ring */
73208dfd
AC		 2351 *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
2352 if (!*rsp) {
2353 qla_printk(KERN_WARNING, ha,
2354 "Unable to allocate memory for rsp\n");
e315cd28
AC		 2355 goto fail_rsp;
2356 }
73208dfd
AC		 2357 (*rsp)->hw = ha;
2358 (*rsp)->length = rsp_len;
2359 (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
2360 ((*rsp)->length + 1) * sizeof(response_t),
2361 &(*rsp)->dma, GFP_KERNEL);
2362 if (!(*rsp)->ring) {
2363 qla_printk(KERN_WARNING, ha,
2364 "Unable to allocate memory for rsp_ring\n");
e315cd28
AC		 2365 goto fail_rsp_ring;
2366 }
73208dfd
AC		 2367 (*req)->rsp = *rsp;
2368 (*rsp)->req = *req;
2369 /* Allocate memory for NVRAM data for vports */
2370 if (ha->nvram_npiv_size) {
2371 ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
2372 ha->nvram_npiv_size, GFP_KERNEL);
2373 if (!ha->npiv_info) {
2374 qla_printk(KERN_WARNING, ha,
2375 "Unable to allocate memory for npiv info\n");
2376 goto fail_npiv_info;
2377 }
2378 } else
2379 ha->npiv_info = NULL;
e8711085 2380
b64b0e8f
AV		 2381 /* Get consistent memory allocated for EX-INIT-CB. */
2382 if (IS_QLA81XX(ha)) {
2383 ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2384 &ha->ex_init_cb_dma);
2385 if (!ha->ex_init_cb)
2386 goto fail_ex_init_cb;
2387 }
2388
e315cd28
AC		 2389 INIT_LIST_HEAD(&ha->vp_list);
2390 return 1;
2391
b64b0e8f
AV		 2392fail_ex_init_cb:
2393 kfree(ha->npiv_info);
73208dfd
AC		 2394fail_npiv_info:
2395 dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
2396 sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
2397 (*rsp)->ring = NULL;
2398 (*rsp)->dma = 0;
e315cd28 2399fail_rsp_ring:
73208dfd 2400 kfree(*rsp);
e315cd28 2401fail_rsp:
73208dfd
AC		 2402 dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
2403 sizeof(request_t), (*req)->ring, (*req)->dma);
2404 (*req)->ring = NULL;
2405 (*req)->dma = 0;
e315cd28 2406fail_req_ring:
73208dfd 2407 kfree(*req);
e315cd28
AC		 2408fail_req:
2409 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2410 ha->ct_sns, ha->ct_sns_dma);
2411 ha->ct_sns = NULL;
2412 ha->ct_sns_dma = 0;
e8711085
AV		 2413fail_free_ms_iocb:
2414 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2415 ha->ms_iocb = NULL;
2416 ha->ms_iocb_dma = 0;
e315cd28
AC		 2417fail_dma_pool:
2418 dma_pool_destroy(ha->s_dma_pool);
2419 ha->s_dma_pool = NULL;
e8711085
AV		 2420fail_free_nvram:
2421 kfree(ha->nvram);
2422 ha->nvram = NULL;
2423fail_free_srb_mempool:
2424 mempool_destroy(ha->srb_mempool);
2425 ha->srb_mempool = NULL;
e8711085
AV		 2426fail_free_gid_list:
2427 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
e315cd28 2428 ha->gid_list_dma);
e8711085
AV		 2429 ha->gid_list = NULL;
2430 ha->gid_list_dma = 0;
e315cd28
AC		 2431fail_free_init_cb:
2432 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
2433 ha->init_cb_dma);
2434 ha->init_cb = NULL;
2435 ha->init_cb_dma = 0;
e8711085 2436fail:
e315cd28 2437 DEBUG(printk("%s: Memory allocation failure\n", __func__));
e8711085 2438 return -ENOMEM;
1da177e4
LT		 2439}
2440
2441/*
2442* qla2x00_mem_free
2443* Frees all adapter allocated memory.
2444*
2445* Input:
2446* ha = adapter block pointer.
2447*/
a824ebb3 2448static void
e315cd28 2449qla2x00_mem_free(struct qla_hw_data *ha)
1da177e4 2450{
e8711085
AV		 2451 if (ha->srb_mempool)
2452 mempool_destroy(ha->srb_mempool);
1da177e4 2453
df613b96
AV		 2454 if (ha->fce)
2455 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
e315cd28 2456 ha->fce_dma);
df613b96 2457
a7a167bf
AV		 2458 if (ha->fw_dump) {
2459 if (ha->eft)
2460 dma_free_coherent(&ha->pdev->dev,
e315cd28 2461 ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
a7a167bf
AV		 2462 vfree(ha->fw_dump);
2463 }
2464
11bbc1d8
AV		 2465 if (ha->dcbx_tlv)
2466 dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
2467 ha->dcbx_tlv, ha->dcbx_tlv_dma);
2468
ce0423f4
AV		 2469 if (ha->xgmac_data)
2470 dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
2471 ha->xgmac_data, ha->xgmac_data_dma);
2472
1da177e4
LT		 2473 if (ha->sns_cmd)
2474 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
e315cd28 2475 ha->sns_cmd, ha->sns_cmd_dma);
1da177e4
LT		 2476
2477 if (ha->ct_sns)
2478 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
e315cd28 2479 ha->ct_sns, ha->ct_sns_dma);
1da177e4 2480
88729e53
AV		 2481 if (ha->sfp_data)
2482 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2483
ad0ecd61
JC		 2484 if (ha->edc_data)
2485 dma_pool_free(ha->s_dma_pool, ha->edc_data, ha->edc_data_dma);
2486
1da177e4
LT		 2487 if (ha->ms_iocb)
2488 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2489
b64b0e8f
AV		 2490 if (ha->ex_init_cb)
2491 dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
2492
1da177e4
LT		 2493 if (ha->s_dma_pool)
2494 dma_pool_destroy(ha->s_dma_pool);
2495
1da177e4
LT		 2496 if (ha->gid_list)
2497 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
e315cd28 2498 ha->gid_list_dma);
1da177e4 2499
e315cd28
AC		 2500 if (ha->init_cb)
2501 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2502 ha->init_cb, ha->init_cb_dma);
2503 vfree(ha->optrom_buffer);
2504 kfree(ha->nvram);
73208dfd 2505 kfree(ha->npiv_info);
1da177e4 2506
e8711085 2507 ha->srb_mempool = NULL;
a7a167bf
AV		 2508 ha->eft = NULL;
2509 ha->eft_dma = 0;
1da177e4
LT		 2510 ha->sns_cmd = NULL;
2511 ha->sns_cmd_dma = 0;
2512 ha->ct_sns = NULL;
2513 ha->ct_sns_dma = 0;
2514 ha->ms_iocb = NULL;
2515 ha->ms_iocb_dma = 0;
1da177e4
LT		 2516 ha->init_cb = NULL;
2517 ha->init_cb_dma = 0;
b64b0e8f
AV		 2518 ha->ex_init_cb = NULL;
2519 ha->ex_init_cb_dma = 0;
1da177e4
LT		 2520
2521 ha->s_dma_pool = NULL;
2522
1da177e4
LT		 2523 ha->gid_list = NULL;
2524 ha->gid_list_dma = 0;
2525
e315cd28
AC		 2526 ha->fw_dump = NULL;
2527 ha->fw_dumped = 0;
2528 ha->fw_dump_reading = 0;
e315cd28 2529}
1da177e4 2530
e315cd28
AC		 2531struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
2532 struct qla_hw_data *ha)
2533{
2534 struct Scsi_Host *host;
2535 struct scsi_qla_host *vha = NULL;
854165f4 2536
e315cd28
AC		 2537 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
2538 if (host == NULL) {
2539 printk(KERN_WARNING
2540 "qla2xxx: Couldn't allocate host from scsi layer!\n");
2541 goto fail;
2542 }
2543
2544 /* Clear our data area */
2545 vha = shost_priv(host);
2546 memset(vha, 0, sizeof(scsi_qla_host_t));
2547
2548 vha->host = host;
2549 vha->host_no = host->host_no;
2550 vha->hw = ha;
2551
2552 INIT_LIST_HEAD(&vha->vp_fcports);
2553 INIT_LIST_HEAD(&vha->work_list);
2554 INIT_LIST_HEAD(&vha->list);
2555
f999f4c1
AV		 2556 spin_lock_init(&vha->work_lock);
2557
e315cd28
AC		 2558 sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
2559 return vha;
2560
2561fail:
2562 return vha;
1da177e4
LT		 2563}
2564
01ef66bb 2565static struct qla_work_evt *
f999f4c1 2566qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
0971de7f
AV		 2567{
2568 struct qla_work_evt *e;
2569
f999f4c1 2570 e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
0971de7f
AV		 2571 if (!e)
2572 return NULL;
2573
2574 INIT_LIST_HEAD(&e->list);
2575 e->type = type;
2576 e->flags = QLA_EVT_FLAG_FREE;
2577 return e;
2578}
2579
01ef66bb 2580static int
f999f4c1 2581qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
0971de7f 2582{
f999f4c1 2583 unsigned long flags;
0971de7f 2584
f999f4c1 2585 spin_lock_irqsave(&vha->work_lock, flags);
e315cd28 2586 list_add_tail(&e->list, &vha->work_list);
f999f4c1 2587 spin_unlock_irqrestore(&vha->work_lock, flags);
e315cd28 2588 qla2xxx_wake_dpc(vha);
f999f4c1 2589
0971de7f
AV		 2590 return QLA_SUCCESS;
2591}
2592
2593int
e315cd28 2594qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
0971de7f
AV		 2595 u32 data)
2596{
2597 struct qla_work_evt *e;
2598
f999f4c1 2599 e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
0971de7f
AV		 2600 if (!e)
2601 return QLA_FUNCTION_FAILED;
2602
2603 e->u.aen.code = code;
2604 e->u.aen.data = data;
f999f4c1 2605 return qla2x00_post_work(vha, e);
0971de7f
AV		 2606}
2607
8a659571
AV		 2608int
2609qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
2610{
2611 struct qla_work_evt *e;
2612
f999f4c1 2613 e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
8a659571
AV		 2614 if (!e)
2615 return QLA_FUNCTION_FAILED;
2616
2617 memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
f999f4c1 2618 return qla2x00_post_work(vha, e);
8a659571
AV		 2619}
2620
0971de7f 2621static void
e315cd28 2622qla2x00_do_work(struct scsi_qla_host *vha)
0971de7f 2623{
f999f4c1
AV		 2624 struct qla_work_evt *e, *tmp;
2625 unsigned long flags;
2626 LIST_HEAD(work);
0971de7f 2627
f999f4c1
AV		 2628 spin_lock_irqsave(&vha->work_lock, flags);
2629 list_splice_init(&vha->work_list, &work);
2630 spin_unlock_irqrestore(&vha->work_lock, flags);
2631
2632 list_for_each_entry_safe(e, tmp, &work, list) {
0971de7f 2633 list_del_init(&e->list);
0971de7f
AV		 2634
2635 switch (e->type) {
2636 case QLA_EVT_AEN:
e315cd28 2637 fc_host_post_event(vha->host, fc_get_event_number(),
0971de7f
AV		 2638 e->u.aen.code, e->u.aen.data);
2639 break;
8a659571
AV		 2640 case QLA_EVT_IDC_ACK:
2641 qla81xx_idc_ack(vha, e->u.idc_ack.mb);
2642 break;
0971de7f
AV		 2643 }
2644 if (e->flags & QLA_EVT_FLAG_FREE)
2645 kfree(e);
e315cd28 2646 }
e315cd28 2647}
f999f4c1 2648
e315cd28
AC		 2649/* Relogins all the fcports of a vport
2650 * Context: dpc thread
2651 */
2652void qla2x00_relogin(struct scsi_qla_host *vha)
2653{
2654 fc_port_t *fcport;
c6b2fca8 2655 int status;
e315cd28
AC		 2656 uint16_t next_loopid = 0;
2657 struct qla_hw_data *ha = vha->hw;
2658
2659 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2660 /*
2661 * If the port is not ONLINE then try to login
2662 * to it if we haven't run out of retries.
2663 */
2664 if (atomic_read(&fcport->state) !=
2665 FCS_ONLINE && fcport->login_retry) {
2666
2667 if (fcport->flags & FCF_FABRIC_DEVICE) {
2668 if (fcport->flags & FCF_TAPE_PRESENT)
2669 ha->isp_ops->fabric_logout(vha,
2670 fcport->loop_id,
2671 fcport->d_id.b.domain,
2672 fcport->d_id.b.area,
2673 fcport->d_id.b.al_pa);
2674
2675 status = qla2x00_fabric_login(vha, fcport,
2676 &next_loopid);
2677 } else
2678 status = qla2x00_local_device_login(vha,
2679 fcport);
2680
2681 fcport->login_retry--;
2682 if (status == QLA_SUCCESS) {
2683 fcport->old_loop_id = fcport->loop_id;
2684
2685 DEBUG(printk("scsi(%ld): port login OK: logged "
2686 "in ID 0x%x\n", vha->host_no, fcport->loop_id));
2687
2688 qla2x00_update_fcport(vha, fcport);
2689
2690 } else if (status == 1) {
2691 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2692 /* retry the login again */
2693 DEBUG(printk("scsi(%ld): Retrying"
2694 " %d login again loop_id 0x%x\n",
2695 vha->host_no, fcport->login_retry,
2696 fcport->loop_id));
2697 } else {
2698 fcport->login_retry = 0;
2699 }
2700
2701 if (fcport->login_retry == 0 && status != QLA_SUCCESS)
2702 fcport->loop_id = FC_NO_LOOP_ID;
2703 }
2704 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2705 break;
0971de7f 2706 }
0971de7f
AV		 2707}
2708
1da177e4
LT		 2709/**************************************************************************
2710* qla2x00_do_dpc
2711* This kernel thread is a task that is schedule by the interrupt handler
2712* to perform the background processing for interrupts.
2713*
2714* Notes:
2715* This task always run in the context of a kernel thread. It
2716* is kick-off by the driver's detect code and starts up
2717* up one per adapter. It immediately goes to sleep and waits for
2718* some fibre event. When either the interrupt handler or
2719* the timer routine detects a event it will one of the task
2720* bits then wake us up.
2721**************************************************************************/
2722static int
2723qla2x00_do_dpc(void *data)
2724{
2c3dfe3f 2725 int rval;
e315cd28
AC		 2726 scsi_qla_host_t *base_vha;
2727 struct qla_hw_data *ha;
1da177e4 2728
e315cd28
AC		 2729 ha = (struct qla_hw_data *)data;
2730 base_vha = pci_get_drvdata(ha->pdev);
1da177e4 2731
1da177e4
LT		 2732 set_user_nice(current, -20);
2733
39a11240 2734 while (!kthread_should_stop()) {
1da177e4
LT		 2735 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2736
39a11240
CH		 2737 set_current_state(TASK_INTERRUPTIBLE);
2738 schedule();
2739 __set_current_state(TASK_RUNNING);
1da177e4
LT		 2740
2741 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2742
2743 /* Initialization not yet finished. Don't do anything yet. */
e315cd28 2744 if (!base_vha->flags.init_done)
1da177e4
LT		 2745 continue;
2746
e315cd28 2747 DEBUG3(printk("scsi(%ld): DPC handler\n", base_vha->host_no));
1da177e4
LT		 2748
2749 ha->dpc_active = 1;
2750
1da177e4 2751 if (ha->flags.mbox_busy) {
1da177e4
LT		 2752 ha->dpc_active = 0;
2753 continue;
2754 }
2755
e315cd28 2756 qla2x00_do_work(base_vha);
0971de7f 2757
e315cd28
AC		 2758 if (test_and_clear_bit(ISP_ABORT_NEEDED,
2759 &base_vha->dpc_flags)) {
1da177e4
LT		 2760
2761 DEBUG(printk("scsi(%ld): dpc: sched "
2762 "qla2x00_abort_isp ha = %p\n",
e315cd28 2763 base_vha->host_no, ha));
1da177e4 2764 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
e315cd28 2765 &base_vha->dpc_flags))) {
1da177e4 2766
e315cd28 2767 if (qla2x00_abort_isp(base_vha)) {
1da177e4
LT		 2768 /* failed. retry later */
2769 set_bit(ISP_ABORT_NEEDED,
e315cd28 2770 &base_vha->dpc_flags);
99363ef8 2771 }
e315cd28
AC		 2772 clear_bit(ABORT_ISP_ACTIVE,
2773 &base_vha->dpc_flags);
99363ef8
SJ		 2774 }
2775
1da177e4 2776 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
e315cd28 2777 base_vha->host_no));
1da177e4
LT		 2778 }
2779
e315cd28
AC		 2780 if (test_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags)) {
2781 qla2x00_update_fcports(base_vha);
2782 clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
c9c5ced9 2783 }
d97994dc 2784
e315cd28
AC		 2785 if (test_and_clear_bit(RESET_MARKER_NEEDED,
2786 &base_vha->dpc_flags) &&
2787 (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
1da177e4
LT		 2788
2789 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
e315cd28 2790 base_vha->host_no));
1da177e4 2791
e315cd28
AC		 2792 qla2x00_rst_aen(base_vha);
2793 clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
1da177e4
LT		 2794 }
2795
2796 /* Retry each device up to login retry count */
e315cd28
AC		 2797 if ((test_and_clear_bit(RELOGIN_NEEDED,
2798 &base_vha->dpc_flags)) &&
2799 !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
2800 atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
1da177e4
LT		 2801
2802 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
e315cd28
AC		 2803 base_vha->host_no));
2804 qla2x00_relogin(base_vha);
2805
1da177e4 2806 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
e315cd28 2807 base_vha->host_no));
1da177e4
LT		 2808 }
2809
e315cd28
AC		 2810 if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
2811 &base_vha->dpc_flags)) {
1da177e4
LT		 2812
2813 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
e315cd28 2814 base_vha->host_no));
1da177e4
LT		 2815
2816 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
e315cd28 2817 &base_vha->dpc_flags))) {
1da177e4 2818
e315cd28 2819 rval = qla2x00_loop_resync(base_vha);
1da177e4 2820
e315cd28
AC		 2821 clear_bit(LOOP_RESYNC_ACTIVE,
2822 &base_vha->dpc_flags);
1da177e4
LT		 2823 }
2824
2825 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
e315cd28 2826 base_vha->host_no));
1da177e4
LT		 2827 }
2828
e315cd28
AC		 2829 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
2830 atomic_read(&base_vha->loop_state) == LOOP_READY) {
2831 clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
2832 qla2xxx_flash_npiv_conf(base_vha);
272976ca
AV		 2833 }
2834
1da177e4 2835 if (!ha->interrupts_on)
fd34f556 2836 ha->isp_ops->enable_intrs(ha);
1da177e4 2837
e315cd28
AC		 2838 if (test_and_clear_bit(BEACON_BLINK_NEEDED,
2839 &base_vha->dpc_flags))
2840 ha->isp_ops->beacon_blink(base_vha);
f6df144c 2841
e315cd28 2842 qla2x00_do_dpc_all_vps(base_vha);
2c3dfe3f 2843
1da177e4
LT		 2844 ha->dpc_active = 0;
2845 } /* End of while(1) */
2846
e315cd28 2847 DEBUG(printk("scsi(%ld): DPC handler exiting\n", base_vha->host_no));
1da177e4
LT		 2848
2849 /*
2850 * Make sure that nobody tries to wake us up again.
2851 */
1da177e4
LT		 2852 ha->dpc_active = 0;
2853
39a11240
CH		 2854 return 0;
2855}
2856
2857void
e315cd28 2858qla2xxx_wake_dpc(struct scsi_qla_host *vha)
39a11240 2859{
e315cd28 2860 struct qla_hw_data *ha = vha->hw;
c795c1e4
AV		 2861 struct task_struct *t = ha->dpc_thread;
2862
e315cd28 2863 if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
c795c1e4 2864 wake_up_process(t);
1da177e4
LT		 2865}
2866
1da177e4
LT		 2867/*
2868* qla2x00_rst_aen
2869* Processes asynchronous reset.
2870*
2871* Input:
2872* ha = adapter block pointer.
2873*/
2874static void
e315cd28 2875qla2x00_rst_aen(scsi_qla_host_t *vha)
1da177e4 2876{
e315cd28
AC		 2877 if (vha->flags.online && !vha->flags.reset_active &&
2878 !atomic_read(&vha->loop_down_timer) &&
2879 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
1da177e4 2880 do {
e315cd28 2881 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
1da177e4
LT		 2882
2883 /*
2884 * Issue marker command only when we are going to start
2885 * the I/O.
2886 */
e315cd28
AC		 2887 vha->marker_needed = 1;
2888 } while (!atomic_read(&vha->loop_down_timer) &&
2889 (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
1da177e4
LT		 2890 }
2891}
2892
f4f051eb 2893static void
e315cd28 2894qla2x00_sp_free_dma(srb_t *sp)
f4f051eb 2895{
2896 struct scsi_cmnd *cmd = sp->cmd;
2897
2898 if (sp->flags & SRB_DMA_VALID) {
385d70b4 2899 scsi_dma_unmap(cmd);
f4f051eb 2900 sp->flags &= ~SRB_DMA_VALID;
2901 }
fca29703 2902 CMD_SP(cmd) = NULL;
f4f051eb 2903}
2904
2905void
73208dfd 2906qla2x00_sp_compl(struct qla_hw_data *ha, srb_t *sp)
f4f051eb 2907{
2908 struct scsi_cmnd *cmd = sp->cmd;
2909
e315cd28 2910 qla2x00_sp_free_dma(sp);
f4f051eb 2911
f4f051eb 2912 mempool_free(sp, ha->srb_mempool);
2913
2914 cmd->scsi_done(cmd);
2915}
bdf79621 2916
1da177e4
LT		 2917/**************************************************************************
2918* qla2x00_timer
2919*
2920* Description:
2921* One second timer
2922*
2923* Context: Interrupt
2924***************************************************************************/
2c3dfe3f 2925void
e315cd28 2926qla2x00_timer(scsi_qla_host_t *vha)
1da177e4 2927{
1da177e4
LT		 2928 unsigned long cpu_flags = 0;
2929 fc_port_t *fcport;
1da177e4
LT		 2930 int start_dpc = 0;
2931 int index;
2932 srb_t *sp;
f4f051eb 2933 int t;
e315cd28 2934 struct qla_hw_data *ha = vha->hw;
73208dfd 2935 struct req_que *req;
1da177e4
LT		 2936 /*
2937 * Ports - Port down timer.
2938 *
2939 * Whenever, a port is in the LOST state we start decrementing its port
2940 * down timer every second until it reaches zero. Once it reaches zero
fa2a1ce5 2941 * the port it marked DEAD.
1da177e4
LT		 2942 */
2943 t = 0;
e315cd28 2944 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1da177e4
LT		 2945 if (fcport->port_type != FCT_TARGET)
2946 continue;
2947
2948 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2949
2950 if (atomic_read(&fcport->port_down_timer) == 0)
2951 continue;
2952
fa2a1ce5 2953 if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
1da177e4 2954 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
fa2a1ce5 2955
1da177e4 2956 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
fca29703 2957 "%d remaining\n",
e315cd28 2958 vha->host_no,
1da177e4
LT		 2959 t, atomic_read(&fcport->port_down_timer)));
2960 }
2961 t++;
2962 } /* End of for fcport */
2963
1da177e4
LT		 2964
2965 /* Loop down handler. */
e315cd28
AC		 2966 if (atomic_read(&vha->loop_down_timer) > 0 &&
2967 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
2968 && vha->flags.online) {
1da177e4 2969
e315cd28
AC		 2970 if (atomic_read(&vha->loop_down_timer) ==
2971 vha->loop_down_abort_time) {
1da177e4
LT		 2972
2973 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2974 "queues before time expire\n",
e315cd28 2975 vha->host_no));
1da177e4 2976
e315cd28
AC		 2977 if (!IS_QLA2100(ha) && vha->link_down_timeout)
2978 atomic_set(&vha->loop_state, LOOP_DEAD);
1da177e4
LT		 2979
2980 /* Schedule an ISP abort to return any tape commands. */
2c3dfe3f 2981 /* NPIV - scan physical port only */
e315cd28 2982 if (!vha->vp_idx) {
2c3dfe3f
SJ		 2983 spin_lock_irqsave(&ha->hardware_lock,
2984 cpu_flags);
73208dfd 2985 req = ha->req_q_map[0];
2c3dfe3f
SJ		 2986 for (index = 1;
2987 index < MAX_OUTSTANDING_COMMANDS;
2988 index++) {
2989 fc_port_t *sfcp;
2990
e315cd28 2991 sp = req->outstanding_cmds[index];
2c3dfe3f
SJ		 2992 if (!sp)
2993 continue;
cf53b069
AV		 2994 if (sp->ctx)
2995 continue;
2c3dfe3f
SJ		 2996 sfcp = sp->fcport;
2997 if (!(sfcp->flags & FCF_TAPE_PRESENT))
2998 continue;
bdf79621 2999
2c3dfe3f 3000 set_bit(ISP_ABORT_NEEDED,
e315cd28 3001 &vha->dpc_flags);
2c3dfe3f
SJ		 3002 break;
3003 }
3004 spin_unlock_irqrestore(&ha->hardware_lock,
e315cd28 3005 cpu_flags);
1da177e4 3006 }
1da177e4
LT		 3007 start_dpc++;
3008 }
3009
3010 /* if the loop has been down for 4 minutes, reinit adapter */
e315cd28 3011 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
e315cd28
AC		 3012 if (!(vha->device_flags & DFLG_NO_CABLE) &&
3013 !vha->vp_idx) {
1da177e4
LT		 3014 DEBUG(printk("scsi(%ld): Loop down - "
3015 "aborting ISP.\n",
e315cd28 3016 vha->host_no));
1da177e4
LT		 3017 qla_printk(KERN_WARNING, ha,
3018 "Loop down - aborting ISP.\n");
3019
e315cd28 3020 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 3021 }
3022 }
fca29703 3023 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
e315cd28
AC		 3024 vha->host_no,
3025 atomic_read(&vha->loop_down_timer)));
1da177e4
LT		 3026 }
3027
f6df144c 3028 /* Check if beacon LED needs to be blinked */
3029 if (ha->beacon_blink_led == 1) {
e315cd28 3030 set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
f6df144c 3031 start_dpc++;
3032 }
3033
550bf57d 3034 /* Process any deferred work. */
e315cd28 3035 if (!list_empty(&vha->work_list))
550bf57d
AV		 3036 start_dpc++;
3037
1da177e4 3038 /* Schedule the DPC routine if needed */
e315cd28
AC		 3039 if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
3040 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
3041 test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
1da177e4 3042 start_dpc ||
e315cd28
AC		 3043 test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
3044 test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
3045 test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
3046 test_bit(RELOGIN_NEEDED, &vha->dpc_flags)))
3047 qla2xxx_wake_dpc(vha);
1da177e4 3048
e315cd28 3049 qla2x00_restart_timer(vha, WATCH_INTERVAL);
1da177e4
LT		 3050}
3051
5433383e
AV		 3052/* Firmware interface routines. */
3053
3a03eb79 3054#define FW_BLOBS 7
5433383e
AV		 3055#define FW_ISP21XX 0
3056#define FW_ISP22XX 1
3057#define FW_ISP2300 2
3058#define FW_ISP2322 3
48c02fde 3059#define FW_ISP24XX 4
c3a2f0df 3060#define FW_ISP25XX 5
3a03eb79 3061#define FW_ISP81XX 6
5433383e 3062
bb8ee499
AV		 3063#define FW_FILE_ISP21XX "ql2100_fw.bin"
3064#define FW_FILE_ISP22XX "ql2200_fw.bin"
3065#define FW_FILE_ISP2300 "ql2300_fw.bin"
3066#define FW_FILE_ISP2322 "ql2322_fw.bin"
3067#define FW_FILE_ISP24XX "ql2400_fw.bin"
c3a2f0df 3068#define FW_FILE_ISP25XX "ql2500_fw.bin"
3a03eb79 3069#define FW_FILE_ISP81XX "ql8100_fw.bin"
bb8ee499 3070
e1e82b6f 3071static DEFINE_MUTEX(qla_fw_lock);
5433383e
AV		 3072
3073static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
bb8ee499
AV		 3074 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
3075 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
3076 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
3077 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
3078 { .name = FW_FILE_ISP24XX, },
c3a2f0df 3079 { .name = FW_FILE_ISP25XX, },
3a03eb79 3080 { .name = FW_FILE_ISP81XX, },
5433383e
AV		 3081};
3082
3083struct fw_blob *
e315cd28 3084qla2x00_request_firmware(scsi_qla_host_t *vha)
5433383e 3085{
e315cd28 3086 struct qla_hw_data *ha = vha->hw;
5433383e
AV		 3087 struct fw_blob *blob;
3088
3089 blob = NULL;
3090 if (IS_QLA2100(ha)) {
3091 blob = &qla_fw_blobs[FW_ISP21XX];
3092 } else if (IS_QLA2200(ha)) {
3093 blob = &qla_fw_blobs[FW_ISP22XX];
48c02fde 3094 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
5433383e 3095 blob = &qla_fw_blobs[FW_ISP2300];
48c02fde 3096 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
5433383e 3097 blob = &qla_fw_blobs[FW_ISP2322];
4d4df193 3098 } else if (IS_QLA24XX_TYPE(ha)) {
5433383e 3099 blob = &qla_fw_blobs[FW_ISP24XX];
c3a2f0df
AV		 3100 } else if (IS_QLA25XX(ha)) {
3101 blob = &qla_fw_blobs[FW_ISP25XX];
3a03eb79
AV		 3102 } else if (IS_QLA81XX(ha)) {
3103 blob = &qla_fw_blobs[FW_ISP81XX];
5433383e
AV		 3104 }
3105
e1e82b6f 3106 mutex_lock(&qla_fw_lock);
5433383e
AV		 3107 if (blob->fw)
3108 goto out;
3109
3110 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
3111 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
e315cd28 3112 "(%s).\n", vha->host_no, blob->name));
5433383e
AV		 3113 blob->fw = NULL;
3114 blob = NULL;
3115 goto out;
3116 }
3117
3118out:
e1e82b6f 3119 mutex_unlock(&qla_fw_lock);
5433383e
AV		 3120 return blob;
3121}
3122
3123static void
3124qla2x00_release_firmware(void)
3125{
3126 int idx;
3127
e1e82b6f 3128 mutex_lock(&qla_fw_lock);
5433383e
AV		 3129 for (idx = 0; idx < FW_BLOBS; idx++)
3130 if (qla_fw_blobs[idx].fw)
3131 release_firmware(qla_fw_blobs[idx].fw);
e1e82b6f 3132 mutex_unlock(&qla_fw_lock);
5433383e
AV		 3133}
3134
14e660e6
SJ		 3135static pci_ers_result_t
3136qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
3137{
b9b12f73
SJ		 3138 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3139
14e660e6
SJ		 3140 switch (state) {
3141 case pci_channel_io_normal:
3142 return PCI_ERS_RESULT_CAN_RECOVER;
3143 case pci_channel_io_frozen:
3144 pci_disable_device(pdev);
3145 return PCI_ERS_RESULT_NEED_RESET;
3146 case pci_channel_io_perm_failure:
b9b12f73 3147 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
14e660e6
SJ		 3148 return PCI_ERS_RESULT_DISCONNECT;
3149 }
3150 return PCI_ERS_RESULT_NEED_RESET;
3151}
3152
3153static pci_ers_result_t
3154qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
3155{
3156 int risc_paused = 0;
3157 uint32_t stat;
3158 unsigned long flags;
e315cd28
AC		 3159 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3160 struct qla_hw_data *ha = base_vha->hw;
14e660e6
SJ		 3161 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3162 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
3163
3164 spin_lock_irqsave(&ha->hardware_lock, flags);
3165 if (IS_QLA2100(ha) || IS_QLA2200(ha)){
3166 stat = RD_REG_DWORD(&reg->hccr);
3167 if (stat & HCCR_RISC_PAUSE)
3168 risc_paused = 1;
3169 } else if (IS_QLA23XX(ha)) {
3170 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
3171 if (stat & HSR_RISC_PAUSED)
3172 risc_paused = 1;
3173 } else if (IS_FWI2_CAPABLE(ha)) {
3174 stat = RD_REG_DWORD(&reg24->host_status);
3175 if (stat & HSRX_RISC_PAUSED)
3176 risc_paused = 1;
3177 }
3178 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3179
3180 if (risc_paused) {
3181 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
3182 "Dumping firmware!\n");
e315cd28 3183 ha->isp_ops->fw_dump(base_vha, 0);
14e660e6
SJ		 3184
3185 return PCI_ERS_RESULT_NEED_RESET;
3186 } else
3187 return PCI_ERS_RESULT_RECOVERED;
3188}
3189
3190static pci_ers_result_t
3191qla2xxx_pci_slot_reset(struct pci_dev *pdev)
3192{
3193 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
e315cd28
AC		 3194 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3195 struct qla_hw_data *ha = base_vha->hw;
09483916
BH		 3196 int rc;
3197
3198 if (ha->mem_only)
3199 rc = pci_enable_device_mem(pdev);
3200 else
3201 rc = pci_enable_device(pdev);
14e660e6 3202
09483916 3203 if (rc) {
14e660e6
SJ		 3204 qla_printk(KERN_WARNING, ha,
3205 "Can't re-enable PCI device after reset.\n");
3206
3207 return ret;
3208 }
3209 pci_set_master(pdev);
3210
e315cd28 3211 if (ha->isp_ops->pci_config(base_vha))
14e660e6
SJ		 3212 return ret;
3213
e315cd28
AC		 3214 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3215 if (qla2x00_abort_isp(base_vha) == QLA_SUCCESS)
14e660e6 3216 ret = PCI_ERS_RESULT_RECOVERED;
e315cd28 3217 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
14e660e6
SJ		 3218
3219 return ret;
3220}
3221
3222static void
3223qla2xxx_pci_resume(struct pci_dev *pdev)
3224{
e315cd28
AC		 3225 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3226 struct qla_hw_data *ha = base_vha->hw;
14e660e6
SJ		 3227 int ret;
3228
e315cd28 3229 ret = qla2x00_wait_for_hba_online(base_vha);
14e660e6
SJ		 3230 if (ret != QLA_SUCCESS) {
3231 qla_printk(KERN_ERR, ha,
3232 "the device failed to resume I/O "
3233 "from slot/link_reset");
3234 }
3235 pci_cleanup_aer_uncorrect_error_status(pdev);
3236}
3237
3238static struct pci_error_handlers qla2xxx_err_handler = {
3239 .error_detected = qla2xxx_pci_error_detected,
3240 .mmio_enabled = qla2xxx_pci_mmio_enabled,
3241 .slot_reset = qla2xxx_pci_slot_reset,
3242 .resume = qla2xxx_pci_resume,
3243};
3244
5433383e 3245static struct pci_device_id qla2xxx_pci_tbl[] = {
47f5e069
AV		 3246 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
3247 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
3248 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
3249 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
3250 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
3251 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
3252 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
3253 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
3254 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
4d4df193 3255 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
47f5e069
AV		 3256 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
3257 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
c3a2f0df 3258 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
3a03eb79 3259 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
5433383e
AV		 3260 { 0 },
3261};
3262MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
3263
fca29703 3264static struct pci_driver qla2xxx_pci_driver = {
cb63067a 3265 .name = QLA2XXX_DRIVER_NAME,
0a21ef1e
JB		 3266 .driver = {
3267 .owner = THIS_MODULE,
3268 },
fca29703 3269 .id_table = qla2xxx_pci_tbl,
7ee61397 3270 .probe = qla2x00_probe_one,
4c993f76 3271 .remove = qla2x00_remove_one,
14e660e6 3272 .err_handler = &qla2xxx_err_handler,
fca29703
AV		 3273};
3274
1da177e4
LT		 3275/**
3276 * qla2x00_module_init - Module initialization.
3277 **/
3278static int __init
3279qla2x00_module_init(void)
3280{
fca29703
AV		 3281 int ret = 0;
3282
1da177e4 3283 /* Allocate cache for SRBs. */
354d6b21 3284 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
20c2df83 3285 SLAB_HWCACHE_ALIGN, NULL);
1da177e4
LT		 3286 if (srb_cachep == NULL) {
3287 printk(KERN_ERR
3288 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
3289 return -ENOMEM;
3290 }
3291
3292 /* Derive version string. */
3293 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
11010fec 3294 if (ql2xextended_error_logging)
0181944f
AV		 3295 strcat(qla2x00_version_str, "-debug");
3296
1c97a12a
AV		 3297 qla2xxx_transport_template =
3298 fc_attach_transport(&qla2xxx_transport_functions);
2c3dfe3f
SJ		 3299 if (!qla2xxx_transport_template) {
3300 kmem_cache_destroy(srb_cachep);
1da177e4 3301 return -ENODEV;
2c3dfe3f
SJ		 3302 }
3303 qla2xxx_transport_vport_template =
3304 fc_attach_transport(&qla2xxx_transport_vport_functions);
3305 if (!qla2xxx_transport_vport_template) {
3306 kmem_cache_destroy(srb_cachep);
3307 fc_release_transport(qla2xxx_transport_template);
1da177e4 3308 return -ENODEV;
2c3dfe3f 3309 }
1da177e4 3310
fd9a29f0
AV		 3311 printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n",
3312 qla2x00_version_str);
7ee61397 3313 ret = pci_register_driver(&qla2xxx_pci_driver);
fca29703
AV		 3314 if (ret) {
3315 kmem_cache_destroy(srb_cachep);
3316 fc_release_transport(qla2xxx_transport_template);
2c3dfe3f 3317 fc_release_transport(qla2xxx_transport_vport_template);
fca29703
AV		 3318 }
3319 return ret;
1da177e4
LT		 3320}
3321
3322/**
3323 * qla2x00_module_exit - Module cleanup.
3324 **/
3325static void __exit
3326qla2x00_module_exit(void)
3327{
7ee61397 3328 pci_unregister_driver(&qla2xxx_pci_driver);
5433383e 3329 qla2x00_release_firmware();
354d6b21 3330 kmem_cache_destroy(srb_cachep);
1da177e4 3331 fc_release_transport(qla2xxx_transport_template);
2c3dfe3f 3332 fc_release_transport(qla2xxx_transport_vport_template);
1da177e4
LT		 3333}
3334
3335module_init(qla2x00_module_init);
3336module_exit(qla2x00_module_exit);
3337
3338MODULE_AUTHOR("QLogic Corporation");
3339MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
3340MODULE_LICENSE("GPL");
3341MODULE_VERSION(QLA2XXX_VERSION);
bb8ee499
AV		 3342MODULE_FIRMWARE(FW_FILE_ISP21XX);
3343MODULE_FIRMWARE(FW_FILE_ISP22XX);
3344MODULE_FIRMWARE(FW_FILE_ISP2300);
3345MODULE_FIRMWARE(FW_FILE_ISP2322);
3346MODULE_FIRMWARE(FW_FILE_ISP24XX);
61623fc3 3347MODULE_FIRMWARE(FW_FILE_ISP25XX);
3a03eb79 3348MODULE_FIRMWARE(FW_FILE_ISP81XX);
Linux 6.x block layer and io_uring tree(s)