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[SCSI] qla2xxx: Further limit device-table (qla_devtbl) lookup to non-24xx.
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / scsi / qla2xxx / qla_os.c
CommitLineData
1da177e4 1/*
fa90c54f 2 * QLogic Fibre Channel HBA Driver
01e58d8e 3 * Copyright (c) 2003-2008 QLogic Corporation
1da177e4 4 *
fa90c54f 5 * See LICENSE.qla2xxx for copyright and licensing details.
1da177e4
LT		 6 */
7#include "qla_def.h"
8
9#include <linux/moduleparam.h>
10#include <linux/vmalloc.h>
1da177e4 11#include <linux/delay.h>
39a11240 12#include <linux/kthread.h>
e1e82b6f 13#include <linux/mutex.h>
1da177e4
LT		 14
15#include <scsi/scsi_tcq.h>
16#include <scsi/scsicam.h>
17#include <scsi/scsi_transport.h>
18#include <scsi/scsi_transport_fc.h>
19
20/*
21 * Driver version
22 */
23char qla2x00_version_str[40];
24
25/*
26 * SRB allocation cache
27 */
e18b890b 28static struct kmem_cache *srb_cachep;
1da177e4 29
1da177e4
LT		 30int ql2xlogintimeout = 20;
31module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR);
32MODULE_PARM_DESC(ql2xlogintimeout,
33 "Login timeout value in seconds.");
34
a7b61842 35int qlport_down_retry;
1da177e4
LT		 36module_param(qlport_down_retry, int, S_IRUGO|S_IRUSR);
37MODULE_PARM_DESC(qlport_down_retry,
900d9f98 38 "Maximum number of command retries to a port that returns "
1da177e4
LT		 39 "a PORT-DOWN status.");
40
1da177e4
LT		 41int ql2xplogiabsentdevice;
42module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
43MODULE_PARM_DESC(ql2xplogiabsentdevice,
44 "Option to enable PLOGI to devices that are not present after "
900d9f98 45 "a Fabric scan. This is needed for several broken switches. "
1da177e4
LT		 46 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
47
1da177e4
LT		 48int ql2xloginretrycount = 0;
49module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR);
50MODULE_PARM_DESC(ql2xloginretrycount,
51 "Specify an alternate value for the NVRAM login retry count.");
52
a7a167bf
AV		 53int ql2xallocfwdump = 1;
54module_param(ql2xallocfwdump, int, S_IRUGO|S_IRUSR);
55MODULE_PARM_DESC(ql2xallocfwdump,
56 "Option to enable allocation of memory for a firmware dump "
57 "during HBA initialization. Memory allocation requirements "
58 "vary by ISP type. Default is 1 - allocate memory.");
59
11010fec 60int ql2xextended_error_logging;
27d94035 61module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
11010fec 62MODULE_PARM_DESC(ql2xextended_error_logging,
0181944f
AV		 63 "Option to enable extended error logging, "
64 "Default is 0 - no logging. 1 - log errors.");
65
1da177e4
LT		 66static void qla2x00_free_device(scsi_qla_host_t *);
67
7e47e5ca 68int ql2xfdmienable=1;
cca5335c
AV		 69module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR);
70MODULE_PARM_DESC(ql2xfdmienable,
71 "Enables FDMI registratons "
72 "Default is 0 - no FDMI. 1 - perfom FDMI.");
73
df7baa50
AV		 74#define MAX_Q_DEPTH 32
75static int ql2xmaxqdepth = MAX_Q_DEPTH;
76module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
77MODULE_PARM_DESC(ql2xmaxqdepth,
78 "Maximum queue depth to report for target devices.");
79
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
AV		 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
AV		 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
AV		 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
AV		 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
AV		 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
AV		 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
AV		 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
AV		 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
AV		 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
AV		 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
AV		 1102 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1103 (ret == FAILED) ? "failed" : "succeded");
1da177e4 1104
f4f051eb
AV		 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;
ac280b67 1173 struct srb_ctx *ctx;
e315cd28 1174 struct qla_hw_data *ha = vha->hw;
73208dfd 1175 struct req_que *req;
df4bf0bb
AV		 1176
1177 spin_lock_irqsave(&ha->hardware_lock, flags);
2afa19a9 1178 for (que = 0; que < ha->max_req_queues; que++) {
29bdccbe 1179 req = ha->req_q_map[que];
73208dfd
AC		 1180 if (!req)
1181 continue;
1182 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1183 sp = req->outstanding_cmds[cnt];
e612d465 1184 if (sp) {
73208dfd 1185 req->outstanding_cmds[cnt] = NULL;
ac280b67
AV		 1186 if (!sp->ctx) {
1187 sp->cmd->result = res;
1188 qla2x00_sp_compl(ha, sp);
1189 } else {
1190 ctx = sp->ctx;
1191 del_timer_sync(&ctx->timer);
1192 ctx->free(sp);
1193 }
73208dfd 1194 }
df4bf0bb
AV		 1195 }
1196 }
1197 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1198}
1199
f4f051eb
AV		 1200static int
1201qla2xxx_slave_alloc(struct scsi_device *sdev)
1da177e4 1202{
bdf79621 1203 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1da177e4 1204
19a7b4ae 1205 if (!rport || fc_remote_port_chkready(rport))
f4f051eb 1206 return -ENXIO;
bdf79621 1207
19a7b4ae 1208 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1da177e4 1209
f4f051eb
AV		 1210 return 0;
1211}
1da177e4 1212
f4f051eb
AV		 1213static int
1214qla2xxx_slave_configure(struct scsi_device *sdev)
1215{
e315cd28
AC		 1216 scsi_qla_host_t *vha = shost_priv(sdev->host);
1217 struct qla_hw_data *ha = vha->hw;
8482e118 1218 struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
8474f3a0 1219 fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
2afa19a9 1220 struct req_que *req = vha->req;
8482e118 1221
f4f051eb 1222 if (sdev->tagged_supported)
73208dfd 1223 scsi_activate_tcq(sdev, req->max_q_depth);
f4f051eb 1224 else
73208dfd 1225 scsi_deactivate_tcq(sdev, req->max_q_depth);
1da177e4 1226
85821c90 1227 rport->dev_loss_tmo = ha->port_down_retry_count;
8474f3a0
SV		 1228 if (sdev->type == TYPE_TAPE)
1229 fcport->flags |= FCF_TAPE_PRESENT;
8482e118 1230
f4f051eb
AV		 1231 return 0;
1232}
1da177e4 1233
f4f051eb
AV		 1234static void
1235qla2xxx_slave_destroy(struct scsi_device *sdev)
1236{
1237 sdev->hostdata = NULL;
1da177e4
LT		 1238}
1239
ce7e4af7
AV		 1240static int
1241qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
1242{
1243 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1244 return sdev->queue_depth;
1245}
1246
1247static int
1248qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1249{
1250 if (sdev->tagged_supported) {
1251 scsi_set_tag_type(sdev, tag_type);
1252 if (tag_type)
1253 scsi_activate_tcq(sdev, sdev->queue_depth);
1254 else
1255 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1256 } else
1257 tag_type = 0;
1258
1259 return tag_type;
1260}
1261
1da177e4
LT		 1262/**
1263 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1264 * @ha: HA context
1265 *
1266 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1267 * supported addressing method.
1268 */
1269static void
53303c42 1270qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1da177e4 1271{
7524f9b9 1272 /* Assume a 32bit DMA mask. */
1da177e4 1273 ha->flags.enable_64bit_addressing = 0;
1da177e4 1274
6a35528a 1275 if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
7524f9b9
AV		 1276 /* Any upper-dword bits set? */
1277 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
6a35528a 1278 !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
7524f9b9 1279 /* Ok, a 64bit DMA mask is applicable. */
1da177e4 1280 ha->flags.enable_64bit_addressing = 1;
fd34f556
AV		 1281 ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1282 ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
7524f9b9 1283 return;
1da177e4 1284 }
1da177e4 1285 }
7524f9b9 1286
284901a9
YH		 1287 dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1288 pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1da177e4
LT		 1289}
1290
fd34f556 1291static void
e315cd28 1292qla2x00_enable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1293{
1294 unsigned long flags = 0;
1295 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1296
1297 spin_lock_irqsave(&ha->hardware_lock, flags);
1298 ha->interrupts_on = 1;
1299 /* enable risc and host interrupts */
1300 WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1301 RD_REG_WORD(&reg->ictrl);
1302 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1303
1304}
1305
1306static void
e315cd28 1307qla2x00_disable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1308{
1309 unsigned long flags = 0;
1310 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1311
1312 spin_lock_irqsave(&ha->hardware_lock, flags);
1313 ha->interrupts_on = 0;
1314 /* disable risc and host interrupts */
1315 WRT_REG_WORD(&reg->ictrl, 0);
1316 RD_REG_WORD(&reg->ictrl);
1317 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1318}
1319
1320static void
e315cd28 1321qla24xx_enable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1322{
1323 unsigned long flags = 0;
1324 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1325
1326 spin_lock_irqsave(&ha->hardware_lock, flags);
1327 ha->interrupts_on = 1;
1328 WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1329 RD_REG_DWORD(&reg->ictrl);
1330 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1331}
1332
1333static void
e315cd28 1334qla24xx_disable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1335{
1336 unsigned long flags = 0;
1337 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1338
124f85e6
AV		 1339 if (IS_NOPOLLING_TYPE(ha))
1340 return;
fd34f556
AV		 1341 spin_lock_irqsave(&ha->hardware_lock, flags);
1342 ha->interrupts_on = 0;
1343 WRT_REG_DWORD(&reg->ictrl, 0);
1344 RD_REG_DWORD(&reg->ictrl);
1345 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1346}
1347
1348static struct isp_operations qla2100_isp_ops = {
1349 .pci_config = qla2100_pci_config,
1350 .reset_chip = qla2x00_reset_chip,
1351 .chip_diag = qla2x00_chip_diag,
1352 .config_rings = qla2x00_config_rings,
1353 .reset_adapter = qla2x00_reset_adapter,
1354 .nvram_config = qla2x00_nvram_config,
1355 .update_fw_options = qla2x00_update_fw_options,
1356 .load_risc = qla2x00_load_risc,
1357 .pci_info_str = qla2x00_pci_info_str,
1358 .fw_version_str = qla2x00_fw_version_str,
1359 .intr_handler = qla2100_intr_handler,
1360 .enable_intrs = qla2x00_enable_intrs,
1361 .disable_intrs = qla2x00_disable_intrs,
1362 .abort_command = qla2x00_abort_command,
523ec773
AV		 1363 .target_reset = qla2x00_abort_target,
1364 .lun_reset = qla2x00_lun_reset,
fd34f556
AV		 1365 .fabric_login = qla2x00_login_fabric,
1366 .fabric_logout = qla2x00_fabric_logout,
1367 .calc_req_entries = qla2x00_calc_iocbs_32,
1368 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1369 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1370 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1371 .read_nvram = qla2x00_read_nvram_data,
1372 .write_nvram = qla2x00_write_nvram_data,
1373 .fw_dump = qla2100_fw_dump,
1374 .beacon_on = NULL,
1375 .beacon_off = NULL,
1376 .beacon_blink = NULL,
1377 .read_optrom = qla2x00_read_optrom_data,
1378 .write_optrom = qla2x00_write_optrom_data,
1379 .get_flash_version = qla2x00_get_flash_version,
e315cd28 1380 .start_scsi = qla2x00_start_scsi,
fd34f556
AV		 1381};
1382
1383static struct isp_operations qla2300_isp_ops = {
1384 .pci_config = qla2300_pci_config,
1385 .reset_chip = qla2x00_reset_chip,
1386 .chip_diag = qla2x00_chip_diag,
1387 .config_rings = qla2x00_config_rings,
1388 .reset_adapter = qla2x00_reset_adapter,
1389 .nvram_config = qla2x00_nvram_config,
1390 .update_fw_options = qla2x00_update_fw_options,
1391 .load_risc = qla2x00_load_risc,
1392 .pci_info_str = qla2x00_pci_info_str,
1393 .fw_version_str = qla2x00_fw_version_str,
1394 .intr_handler = qla2300_intr_handler,
1395 .enable_intrs = qla2x00_enable_intrs,
1396 .disable_intrs = qla2x00_disable_intrs,
1397 .abort_command = qla2x00_abort_command,
523ec773
AV		 1398 .target_reset = qla2x00_abort_target,
1399 .lun_reset = qla2x00_lun_reset,
fd34f556
AV		 1400 .fabric_login = qla2x00_login_fabric,
1401 .fabric_logout = qla2x00_fabric_logout,
1402 .calc_req_entries = qla2x00_calc_iocbs_32,
1403 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1404 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1405 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1406 .read_nvram = qla2x00_read_nvram_data,
1407 .write_nvram = qla2x00_write_nvram_data,
1408 .fw_dump = qla2300_fw_dump,
1409 .beacon_on = qla2x00_beacon_on,
1410 .beacon_off = qla2x00_beacon_off,
1411 .beacon_blink = qla2x00_beacon_blink,
1412 .read_optrom = qla2x00_read_optrom_data,
1413 .write_optrom = qla2x00_write_optrom_data,
1414 .get_flash_version = qla2x00_get_flash_version,
e315cd28 1415 .start_scsi = qla2x00_start_scsi,
fd34f556
AV		 1416};
1417
1418static struct isp_operations qla24xx_isp_ops = {
1419 .pci_config = qla24xx_pci_config,
1420 .reset_chip = qla24xx_reset_chip,
1421 .chip_diag = qla24xx_chip_diag,
1422 .config_rings = qla24xx_config_rings,
1423 .reset_adapter = qla24xx_reset_adapter,
1424 .nvram_config = qla24xx_nvram_config,
1425 .update_fw_options = qla24xx_update_fw_options,
1426 .load_risc = qla24xx_load_risc,
1427 .pci_info_str = qla24xx_pci_info_str,
1428 .fw_version_str = qla24xx_fw_version_str,
1429 .intr_handler = qla24xx_intr_handler,
1430 .enable_intrs = qla24xx_enable_intrs,
1431 .disable_intrs = qla24xx_disable_intrs,
1432 .abort_command = qla24xx_abort_command,
523ec773
AV		 1433 .target_reset = qla24xx_abort_target,
1434 .lun_reset = qla24xx_lun_reset,
fd34f556
AV		 1435 .fabric_login = qla24xx_login_fabric,
1436 .fabric_logout = qla24xx_fabric_logout,
1437 .calc_req_entries = NULL,
1438 .build_iocbs = NULL,
1439 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1440 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1441 .read_nvram = qla24xx_read_nvram_data,
1442 .write_nvram = qla24xx_write_nvram_data,
1443 .fw_dump = qla24xx_fw_dump,
1444 .beacon_on = qla24xx_beacon_on,
1445 .beacon_off = qla24xx_beacon_off,
1446 .beacon_blink = qla24xx_beacon_blink,
1447 .read_optrom = qla24xx_read_optrom_data,
1448 .write_optrom = qla24xx_write_optrom_data,
1449 .get_flash_version = qla24xx_get_flash_version,
e315cd28 1450 .start_scsi = qla24xx_start_scsi,
fd34f556
AV		 1451};
1452
c3a2f0df
AV		 1453static struct isp_operations qla25xx_isp_ops = {
1454 .pci_config = qla25xx_pci_config,
1455 .reset_chip = qla24xx_reset_chip,
1456 .chip_diag = qla24xx_chip_diag,
1457 .config_rings = qla24xx_config_rings,
1458 .reset_adapter = qla24xx_reset_adapter,
1459 .nvram_config = qla24xx_nvram_config,
1460 .update_fw_options = qla24xx_update_fw_options,
1461 .load_risc = qla24xx_load_risc,
1462 .pci_info_str = qla24xx_pci_info_str,
1463 .fw_version_str = qla24xx_fw_version_str,
1464 .intr_handler = qla24xx_intr_handler,
1465 .enable_intrs = qla24xx_enable_intrs,
1466 .disable_intrs = qla24xx_disable_intrs,
1467 .abort_command = qla24xx_abort_command,
523ec773
AV		 1468 .target_reset = qla24xx_abort_target,
1469 .lun_reset = qla24xx_lun_reset,
c3a2f0df
AV		 1470 .fabric_login = qla24xx_login_fabric,
1471 .fabric_logout = qla24xx_fabric_logout,
1472 .calc_req_entries = NULL,
1473 .build_iocbs = NULL,
1474 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1475 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1476 .read_nvram = qla25xx_read_nvram_data,
1477 .write_nvram = qla25xx_write_nvram_data,
1478 .fw_dump = qla25xx_fw_dump,
1479 .beacon_on = qla24xx_beacon_on,
1480 .beacon_off = qla24xx_beacon_off,
1481 .beacon_blink = qla24xx_beacon_blink,
338c9161 1482 .read_optrom = qla25xx_read_optrom_data,
c3a2f0df
AV		 1483 .write_optrom = qla24xx_write_optrom_data,
1484 .get_flash_version = qla24xx_get_flash_version,
e315cd28 1485 .start_scsi = qla24xx_start_scsi,
c3a2f0df
AV		 1486};
1487
3a03eb79
AV		 1488static struct isp_operations qla81xx_isp_ops = {
1489 .pci_config = qla25xx_pci_config,
1490 .reset_chip = qla24xx_reset_chip,
1491 .chip_diag = qla24xx_chip_diag,
1492 .config_rings = qla24xx_config_rings,
1493 .reset_adapter = qla24xx_reset_adapter,
1494 .nvram_config = qla81xx_nvram_config,
1495 .update_fw_options = qla81xx_update_fw_options,
eaac30be 1496 .load_risc = qla81xx_load_risc,
3a03eb79
AV		 1497 .pci_info_str = qla24xx_pci_info_str,
1498 .fw_version_str = qla24xx_fw_version_str,
1499 .intr_handler = qla24xx_intr_handler,
1500 .enable_intrs = qla24xx_enable_intrs,
1501 .disable_intrs = qla24xx_disable_intrs,
1502 .abort_command = qla24xx_abort_command,
1503 .target_reset = qla24xx_abort_target,
1504 .lun_reset = qla24xx_lun_reset,
1505 .fabric_login = qla24xx_login_fabric,
1506 .fabric_logout = qla24xx_fabric_logout,
1507 .calc_req_entries = NULL,
1508 .build_iocbs = NULL,
1509 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1510 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
3d79038f
AV		 1511 .read_nvram = NULL,
1512 .write_nvram = NULL,
3a03eb79
AV		 1513 .fw_dump = qla81xx_fw_dump,
1514 .beacon_on = qla24xx_beacon_on,
1515 .beacon_off = qla24xx_beacon_off,
1516 .beacon_blink = qla24xx_beacon_blink,
1517 .read_optrom = qla25xx_read_optrom_data,
1518 .write_optrom = qla24xx_write_optrom_data,
1519 .get_flash_version = qla24xx_get_flash_version,
1520 .start_scsi = qla24xx_start_scsi,
3a03eb79
AV		 1521};
1522
ea5b6382 1523static inline void
e315cd28 1524qla2x00_set_isp_flags(struct qla_hw_data *ha)
ea5b6382
AV		 1525{
1526 ha->device_type = DT_EXTENDED_IDS;
1527 switch (ha->pdev->device) {
1528 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1529 ha->device_type |= DT_ISP2100;
1530 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1531 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382
AV		 1532 break;
1533 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1534 ha->device_type |= DT_ISP2200;
1535 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1536 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382
AV		 1537 break;
1538 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1539 ha->device_type |= DT_ISP2300;
4a59f71d 1540 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1541 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1542 break;
1543 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1544 ha->device_type |= DT_ISP2312;
4a59f71d 1545 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1546 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1547 break;
1548 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1549 ha->device_type |= DT_ISP2322;
4a59f71d 1550 ha->device_type |= DT_ZIO_SUPPORTED;
ea5b6382
AV		 1551 if (ha->pdev->subsystem_vendor == 0x1028 &&
1552 ha->pdev->subsystem_device == 0x0170)
1553 ha->device_type |= DT_OEM_001;
441d1072 1554 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1555 break;
1556 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1557 ha->device_type |= DT_ISP6312;
441d1072 1558 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1559 break;
1560 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1561 ha->device_type |= DT_ISP6322;
441d1072 1562 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1563 break;
1564 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1565 ha->device_type |= DT_ISP2422;
4a59f71d 1566 ha->device_type |= DT_ZIO_SUPPORTED;
e428924c 1567 ha->device_type |= DT_FWI2;
c76f2c01 1568 ha->device_type |= DT_IIDMA;
441d1072 1569 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382
AV		 1570 break;
1571 case PCI_DEVICE_ID_QLOGIC_ISP2432:
1572 ha->device_type |= DT_ISP2432;
4a59f71d 1573 ha->device_type |= DT_ZIO_SUPPORTED;
e428924c 1574 ha->device_type |= DT_FWI2;
c76f2c01 1575 ha->device_type |= DT_IIDMA;
441d1072 1576 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1577 break;
4d4df193
HK		 1578 case PCI_DEVICE_ID_QLOGIC_ISP8432:
1579 ha->device_type |= DT_ISP8432;
1580 ha->device_type |= DT_ZIO_SUPPORTED;
1581 ha->device_type |= DT_FWI2;
1582 ha->device_type |= DT_IIDMA;
1583 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1584 break;
044cc6c8
AV		 1585 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1586 ha->device_type |= DT_ISP5422;
e428924c 1587 ha->device_type |= DT_FWI2;
441d1072 1588 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1589 break;
044cc6c8
AV		 1590 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1591 ha->device_type |= DT_ISP5432;
e428924c 1592 ha->device_type |= DT_FWI2;
441d1072 1593 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1594 break;
c3a2f0df
AV		 1595 case PCI_DEVICE_ID_QLOGIC_ISP2532:
1596 ha->device_type |= DT_ISP2532;
1597 ha->device_type |= DT_ZIO_SUPPORTED;
1598 ha->device_type |= DT_FWI2;
1599 ha->device_type |= DT_IIDMA;
441d1072 1600 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1601 break;
3a03eb79
AV		 1602 case PCI_DEVICE_ID_QLOGIC_ISP8001:
1603 ha->device_type |= DT_ISP8001;
1604 ha->device_type |= DT_ZIO_SUPPORTED;
1605 ha->device_type |= DT_FWI2;
1606 ha->device_type |= DT_IIDMA;
1607 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1608 break;
ea5b6382 1609 }
e5b68a61
AC		 1610
1611 /* Get adapter physical port no from interrupt pin register. */
1612 pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
1613 if (ha->port_no & 1)
1614 ha->flags.port0 = 1;
1615 else
1616 ha->flags.port0 = 0;
ea5b6382
AV		 1617}
1618
1da177e4 1619static int
e315cd28 1620qla2x00_iospace_config(struct qla_hw_data *ha)
1da177e4 1621{
3776541d 1622 resource_size_t pio;
73208dfd 1623 uint16_t msix;
68ca949c 1624 int cpus;
1da177e4 1625
285d0321
AV		 1626 if (pci_request_selected_regions(ha->pdev, ha->bars,
1627 QLA2XXX_DRIVER_NAME)) {
1628 qla_printk(KERN_WARNING, ha,
1629 "Failed to reserve PIO/MMIO regions (%s)\n",
1630 pci_name(ha->pdev));
1631
1632 goto iospace_error_exit;
1633 }
1634 if (!(ha->bars & 1))
1635 goto skip_pio;
1636
1da177e4
LT		 1637 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1638 pio = pci_resource_start(ha->pdev, 0);
3776541d
AV		 1639 if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1640 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1da177e4
LT		 1641 qla_printk(KERN_WARNING, ha,
1642 "Invalid PCI I/O region size (%s)...\n",
1643 pci_name(ha->pdev));
1644 pio = 0;
1645 }
1646 } else {
1647 qla_printk(KERN_WARNING, ha,
1648 "region #0 not a PIO resource (%s)...\n",
1649 pci_name(ha->pdev));
1650 pio = 0;
1651 }
285d0321 1652 ha->pio_address = pio;
1da177e4 1653
285d0321 1654skip_pio:
1da177e4 1655 /* Use MMIO operations for all accesses. */
3776541d 1656 if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1da177e4 1657 qla_printk(KERN_ERR, ha,
3776541d 1658 "region #1 not an MMIO resource (%s), aborting\n",
1da177e4
LT		 1659 pci_name(ha->pdev));
1660 goto iospace_error_exit;
1661 }
3776541d 1662 if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1da177e4
LT		 1663 qla_printk(KERN_ERR, ha,
1664 "Invalid PCI mem region size (%s), aborting\n",
1665 pci_name(ha->pdev));
1666 goto iospace_error_exit;
1667 }
1668
3776541d 1669 ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1da177e4
LT		 1670 if (!ha->iobase) {
1671 qla_printk(KERN_ERR, ha,
1672 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1673
1674 goto iospace_error_exit;
1675 }
1676
73208dfd 1677 /* Determine queue resources */
2afa19a9 1678 ha->max_req_queues = ha->max_rsp_queues = 1;
68ca949c 1679 if ((ql2xmaxqueues <= 1 || ql2xmultique_tag < 1) &&
2afa19a9 1680 (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
17d98630
AC		 1681 goto mqiobase_exit;
1682 ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1683 pci_resource_len(ha->pdev, 3));
1684 if (ha->mqiobase) {
1685 /* Read MSIX vector size of the board */
1686 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1687 ha->msix_count = msix;
68ca949c
AC		 1688 /* Max queues are bounded by available msix vectors */
1689 /* queue 0 uses two msix vectors */
1690 if (ql2xmultique_tag) {
1691 cpus = num_online_cpus();
27dc9c5a 1692 ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ?
68ca949c
AC		 1693 (cpus + 1) : (ha->msix_count - 1);
1694 ha->max_req_queues = 2;
1695 } else if (ql2xmaxqueues > 1) {
2afa19a9
AC		 1696 ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ?
1697 QLA_MQ_SIZE : ql2xmaxqueues;
1698 DEBUG2(qla_printk(KERN_INFO, ha, "QoS mode set, max no"
1699 " of request queues:%d\n", ha->max_req_queues));
1700 }
68ca949c
AC		 1701 qla_printk(KERN_INFO, ha,
1702 "MSI-X vector count: %d\n", msix);
2afa19a9
AC		 1703 } else
1704 qla_printk(KERN_INFO, ha, "BAR 3 not enabled\n");
17d98630
AC		 1705
1706mqiobase_exit:
2afa19a9 1707 ha->msix_count = ha->max_rsp_queues + 1;
1da177e4
LT		 1708 return (0);
1709
1710iospace_error_exit:
1711 return (-ENOMEM);
1712}
1713
1e99e33a
AV		 1714static void
1715qla2xxx_scan_start(struct Scsi_Host *shost)
1716{
e315cd28 1717 scsi_qla_host_t *vha = shost_priv(shost);
1e99e33a 1718
cbc8eb67
AV		 1719 if (vha->hw->flags.running_gold_fw)
1720 return;
1721
e315cd28
AC		 1722 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1723 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1724 set_bit(RSCN_UPDATE, &vha->dpc_flags);
1725 set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
1e99e33a
AV		 1726}
1727
1728static int
1729qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1730{
e315cd28 1731 scsi_qla_host_t *vha = shost_priv(shost);
1e99e33a 1732
e315cd28 1733 if (!vha->host)
1e99e33a 1734 return 1;
e315cd28 1735 if (time > vha->hw->loop_reset_delay * HZ)
1e99e33a
AV		 1736 return 1;
1737
e315cd28 1738 return atomic_read(&vha->loop_state) == LOOP_READY;
1e99e33a
AV		 1739}
1740
1da177e4
LT		 1741/*
1742 * PCI driver interface
1743 */
7ee61397
AV		 1744static int __devinit
1745qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1da177e4 1746{
a1541d5a 1747 int ret = -ENODEV;
1da177e4 1748 struct Scsi_Host *host;
e315cd28
AC		 1749 scsi_qla_host_t *base_vha = NULL;
1750 struct qla_hw_data *ha;
29856e28 1751 char pci_info[30];
1da177e4 1752 char fw_str[30];
5433383e 1753 struct scsi_host_template *sht;
c51da4ec 1754 int bars, max_id, mem_only = 0;
e315cd28 1755 uint16_t req_length = 0, rsp_length = 0;
73208dfd
AC		 1756 struct req_que *req = NULL;
1757 struct rsp_que *rsp = NULL;
1da177e4 1758
285d0321 1759 bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
a5326f86 1760 sht = &qla2xxx_driver_template;
5433383e 1761 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
8bc69e7d 1762 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
4d4df193 1763 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
8bc69e7d 1764 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
c3a2f0df 1765 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
3a03eb79
AV		 1766 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
1767 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001) {
285d0321 1768 bars = pci_select_bars(pdev, IORESOURCE_MEM);
09483916 1769 mem_only = 1;
285d0321
AV		 1770 }
1771
09483916
BH		 1772 if (mem_only) {
1773 if (pci_enable_device_mem(pdev))
1774 goto probe_out;
1775 } else {
1776 if (pci_enable_device(pdev))
1777 goto probe_out;
1778 }
285d0321 1779
0927678f
JB		 1780 /* This may fail but that's ok */
1781 pci_enable_pcie_error_reporting(pdev);
285d0321 1782
e315cd28
AC		 1783 ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
1784 if (!ha) {
1785 DEBUG(printk("Unable to allocate memory for ha\n"));
1786 goto probe_out;
1da177e4 1787 }
e315cd28 1788 ha->pdev = pdev;
1da177e4
LT		 1789
1790 /* Clear our data area */
285d0321 1791 ha->bars = bars;
09483916 1792 ha->mem_only = mem_only;
df4bf0bb 1793 spin_lock_init(&ha->hardware_lock);
1da177e4 1794
ea5b6382
AV		 1795 /* Set ISP-type information. */
1796 qla2x00_set_isp_flags(ha);
1da177e4
LT		 1797 /* Configure PCI I/O space */
1798 ret = qla2x00_iospace_config(ha);
a1541d5a 1799 if (ret)
e315cd28 1800 goto probe_hw_failed;
1da177e4 1801
1da177e4 1802 qla_printk(KERN_INFO, ha,
5433383e
AV		 1803 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1804 ha->iobase);
1da177e4 1805
1da177e4 1806 ha->prev_topology = 0;
fca29703 1807 ha->init_cb_size = sizeof(init_cb_t);
d8b45213 1808 ha->link_data_rate = PORT_SPEED_UNKNOWN;
854165f4 1809 ha->optrom_size = OPTROM_SIZE_2300;
1da177e4 1810
abbd8870 1811 /* Assign ISP specific operations. */
e315cd28 1812 max_id = MAX_TARGETS_2200;
1da177e4 1813 if (IS_QLA2100(ha)) {
e315cd28 1814 max_id = MAX_TARGETS_2100;
1da177e4 1815 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
e315cd28
AC		 1816 req_length = REQUEST_ENTRY_CNT_2100;
1817 rsp_length = RESPONSE_ENTRY_CNT_2100;
1818 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
abbd8870 1819 ha->gid_list_info_size = 4;
3a03eb79
AV		 1820 ha->flash_conf_off = ~0;
1821 ha->flash_data_off = ~0;
1822 ha->nvram_conf_off = ~0;
1823 ha->nvram_data_off = ~0;
fd34f556 1824 ha->isp_ops = &qla2100_isp_ops;
1da177e4 1825 } else if (IS_QLA2200(ha)) {
1da177e4 1826 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1827 req_length = REQUEST_ENTRY_CNT_2200;
1828 rsp_length = RESPONSE_ENTRY_CNT_2100;
1829 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
abbd8870 1830 ha->gid_list_info_size = 4;
3a03eb79
AV		 1831 ha->flash_conf_off = ~0;
1832 ha->flash_data_off = ~0;
1833 ha->nvram_conf_off = ~0;
1834 ha->nvram_data_off = ~0;
fd34f556 1835 ha->isp_ops = &qla2100_isp_ops;
fca29703 1836 } else if (IS_QLA23XX(ha)) {
1da177e4 1837 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1838 req_length = REQUEST_ENTRY_CNT_2200;
1839 rsp_length = RESPONSE_ENTRY_CNT_2300;
1840 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
abbd8870 1841 ha->gid_list_info_size = 6;
854165f4
AV		 1842 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1843 ha->optrom_size = OPTROM_SIZE_2322;
3a03eb79
AV		 1844 ha->flash_conf_off = ~0;
1845 ha->flash_data_off = ~0;
1846 ha->nvram_conf_off = ~0;
1847 ha->nvram_data_off = ~0;
fd34f556 1848 ha->isp_ops = &qla2300_isp_ops;
4d4df193 1849 } else if (IS_QLA24XX_TYPE(ha)) {
fca29703 1850 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1851 req_length = REQUEST_ENTRY_CNT_24XX;
1852 rsp_length = RESPONSE_ENTRY_CNT_2300;
1853 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2c3dfe3f 1854 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
fca29703 1855 ha->gid_list_info_size = 8;
854165f4 1856 ha->optrom_size = OPTROM_SIZE_24XX;
73208dfd 1857 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
fd34f556 1858 ha->isp_ops = &qla24xx_isp_ops;
3a03eb79
AV		 1859 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
1860 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
1861 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
1862 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
c3a2f0df 1863 } else if (IS_QLA25XX(ha)) {
c3a2f0df 1864 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1865 req_length = REQUEST_ENTRY_CNT_24XX;
1866 rsp_length = RESPONSE_ENTRY_CNT_2300;
1867 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
c3a2f0df 1868 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
c3a2f0df
AV		 1869 ha->gid_list_info_size = 8;
1870 ha->optrom_size = OPTROM_SIZE_25XX;
73208dfd 1871 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
c3a2f0df 1872 ha->isp_ops = &qla25xx_isp_ops;
3a03eb79
AV		 1873 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
1874 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
1875 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
1876 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
1877 } else if (IS_QLA81XX(ha)) {
1878 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1879 req_length = REQUEST_ENTRY_CNT_24XX;
1880 rsp_length = RESPONSE_ENTRY_CNT_2300;
1881 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1882 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
1883 ha->gid_list_info_size = 8;
1884 ha->optrom_size = OPTROM_SIZE_81XX;
40859ae5 1885 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3a03eb79
AV		 1886 ha->isp_ops = &qla81xx_isp_ops;
1887 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
1888 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
1889 ha->nvram_conf_off = ~0;
1890 ha->nvram_data_off = ~0;
1da177e4 1891 }
1da177e4 1892
6c2f527c 1893 mutex_init(&ha->vport_lock);
0b05a1f0
MB		 1894 init_completion(&ha->mbx_cmd_comp);
1895 complete(&ha->mbx_cmd_comp);
1896 init_completion(&ha->mbx_intr_comp);
1da177e4 1897
2c3dfe3f 1898 set_bit(0, (unsigned long *) ha->vp_idx_map);
1da177e4 1899
53303c42 1900 qla2x00_config_dma_addressing(ha);
73208dfd 1901 ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
e315cd28 1902 if (!ret) {
1da177e4
LT		 1903 qla_printk(KERN_WARNING, ha,
1904 "[ERROR] Failed to allocate memory for adapter\n");
1905
e315cd28
AC		 1906 goto probe_hw_failed;
1907 }
1908
73208dfd 1909 req->max_q_depth = MAX_Q_DEPTH;
e315cd28 1910 if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
73208dfd
AC		 1911 req->max_q_depth = ql2xmaxqdepth;
1912
e315cd28
AC		 1913
1914 base_vha = qla2x00_create_host(sht, ha);
1915 if (!base_vha) {
1916 qla_printk(KERN_WARNING, ha,
1917 "[ERROR] Failed to allocate memory for scsi_host\n");
1918
a1541d5a 1919 ret = -ENOMEM;
6e9f21f3 1920 qla2x00_mem_free(ha);
2afa19a9
AC		 1921 qla2x00_free_req_que(ha, req);
1922 qla2x00_free_rsp_que(ha, rsp);
e315cd28 1923 goto probe_hw_failed;
1da177e4
LT		 1924 }
1925
e315cd28
AC		 1926 pci_set_drvdata(pdev, base_vha);
1927
e315cd28 1928 host = base_vha->host;
2afa19a9 1929 base_vha->req = req;
73208dfd
AC		 1930 host->can_queue = req->length + 128;
1931 if (IS_QLA2XXX_MIDTYPE(ha))
e315cd28 1932 base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
73208dfd 1933 else
e315cd28
AC		 1934 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
1935 base_vha->vp_idx;
e315cd28
AC		 1936 if (IS_QLA2100(ha))
1937 host->sg_tablesize = 32;
1938 host->max_id = max_id;
1939 host->this_id = 255;
1940 host->cmd_per_lun = 3;
1941 host->unique_id = host->host_no;
1942 host->max_cmd_len = MAX_CMDSZ;
1943 host->max_channel = MAX_BUSES - 1;
1944 host->max_lun = MAX_LUNS;
1945 host->transportt = qla2xxx_transport_template;
1946
73208dfd
AC		 1947 /* Set up the irqs */
1948 ret = qla2x00_request_irqs(ha, rsp);
1949 if (ret)
6e9f21f3 1950 goto probe_init_failed;
73208dfd 1951 /* Alloc arrays of request and response ring ptrs */
7163ea81 1952que_init:
73208dfd
AC		 1953 if (!qla2x00_alloc_queues(ha)) {
1954 qla_printk(KERN_WARNING, ha,
1955 "[ERROR] Failed to allocate memory for queue"
1956 " pointers\n");
6e9f21f3 1957 goto probe_init_failed;
73208dfd
AC		 1958 }
1959 ha->rsp_q_map[0] = rsp;
1960 ha->req_q_map[0] = req;
2afa19a9
AC		 1961 rsp->req = req;
1962 req->rsp = rsp;
1963 set_bit(0, ha->req_qid_map);
1964 set_bit(0, ha->rsp_qid_map);
08029990
AV		 1965 /* FWI2-capable only. */
1966 req->req_q_in = &ha->iobase->isp24.req_q_in;
1967 req->req_q_out = &ha->iobase->isp24.req_q_out;
1968 rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
1969 rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
17d98630 1970 if (ha->mqenable) {
08029990
AV		 1971 req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
1972 req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
1973 rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
1974 rsp->rsp_q_out = &ha->mqiobase->isp25mq.rsp_q_out;
17d98630
AC		 1975 }
1976
e315cd28 1977 if (qla2x00_initialize_adapter(base_vha)) {
1da177e4
LT		 1978 qla_printk(KERN_WARNING, ha,
1979 "Failed to initialize adapter\n");
1980
1981 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1982 "Adapter flags %x.\n",
e315cd28 1983 base_vha->host_no, base_vha->device_flags));
1da177e4 1984
a1541d5a 1985 ret = -ENODEV;
1da177e4
LT		 1986 goto probe_failed;
1987 }
1988
7163ea81
AC		 1989 if (ha->mqenable) {
1990 if (qla25xx_setup_mode(base_vha)) {
68ca949c
AC		 1991 qla_printk(KERN_WARNING, ha,
1992 "Can't create queues, falling back to single"
1993 " queue mode\n");
7163ea81
AC		 1994 goto que_init;
1995 }
1996 }
68ca949c 1997
cbc8eb67
AV		 1998 if (ha->flags.running_gold_fw)
1999 goto skip_dpc;
2000
1da177e4
LT		 2001 /*
2002 * Startup the kernel thread for this host adapter
2003 */
39a11240 2004 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
e315cd28 2005 "%s_dpc", base_vha->host_str);
39a11240 2006 if (IS_ERR(ha->dpc_thread)) {
1da177e4
LT		 2007 qla_printk(KERN_WARNING, ha,
2008 "Unable to start DPC thread!\n");
39a11240 2009 ret = PTR_ERR(ha->dpc_thread);
1da177e4
LT		 2010 goto probe_failed;
2011 }
1da177e4 2012
cbc8eb67 2013skip_dpc:
e315cd28
AC		 2014 list_add_tail(&base_vha->list, &ha->vp_list);
2015 base_vha->host->irq = ha->pdev->irq;
1da177e4
LT		 2016
2017 /* Initialized the timer */
e315cd28 2018 qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
1da177e4
LT		 2019
2020 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
e315cd28 2021 base_vha->host_no, ha));
d19044c3 2022
e315cd28
AC		 2023 base_vha->flags.init_done = 1;
2024 base_vha->flags.online = 1;
d19044c3 2025
a1541d5a
AV		 2026 ret = scsi_add_host(host, &pdev->dev);
2027 if (ret)
2028 goto probe_failed;
2029
048feec5
AV		 2030 ha->isp_ops->enable_intrs(ha);
2031
1e99e33a
AV		 2032 scsi_scan_host(host);
2033
e315cd28 2034 qla2x00_alloc_sysfs_attr(base_vha);
a1541d5a 2035
e315cd28 2036 qla2x00_init_host_attr(base_vha);
a1541d5a 2037
e315cd28 2038 qla2x00_dfs_setup(base_vha);
df613b96 2039
1da177e4
LT		 2040 qla_printk(KERN_INFO, ha, "\n"
2041 " QLogic Fibre Channel HBA Driver: %s\n"
2042 " QLogic %s - %s\n"
5433383e
AV		 2043 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
2044 qla2x00_version_str, ha->model_number,
e315cd28
AC		 2045 ha->model_desc ? ha->model_desc : "", pdev->device,
2046 ha->isp_ops->pci_info_str(base_vha, pci_info), pci_name(pdev),
2047 ha->flags.enable_64bit_addressing ? '+' : '-', base_vha->host_no,
2048 ha->isp_ops->fw_version_str(base_vha, fw_str));
1da177e4 2049
1da177e4
LT		 2050 return 0;
2051
6e9f21f3 2052probe_init_failed:
2afa19a9
AC		 2053 qla2x00_free_req_que(ha, req);
2054 qla2x00_free_rsp_que(ha, rsp);
2055 ha->max_req_queues = ha->max_rsp_queues = 0;
6e9f21f3 2056
1da177e4 2057probe_failed:
b9978769
AV		 2058 if (base_vha->timer_active)
2059 qla2x00_stop_timer(base_vha);
2060 base_vha->flags.online = 0;
2061 if (ha->dpc_thread) {
2062 struct task_struct *t = ha->dpc_thread;
2063
2064 ha->dpc_thread = NULL;
2065 kthread_stop(t);
2066 }
2067
e315cd28 2068 qla2x00_free_device(base_vha);
1da177e4 2069
e315cd28 2070 scsi_host_put(base_vha->host);
1da177e4 2071
e315cd28
AC		 2072probe_hw_failed:
2073 if (ha->iobase)
2074 iounmap(ha->iobase);
2075
2076 pci_release_selected_regions(ha->pdev, ha->bars);
2077 kfree(ha);
2078 ha = NULL;
1da177e4 2079
a1541d5a 2080probe_out:
e315cd28 2081 pci_disable_device(pdev);
a1541d5a 2082 return ret;
1da177e4 2083}
1da177e4 2084
4c993f76 2085static void
7ee61397 2086qla2x00_remove_one(struct pci_dev *pdev)
1da177e4 2087{
e315cd28
AC		 2088 scsi_qla_host_t *base_vha, *vha, *temp;
2089 struct qla_hw_data *ha;
2090
2091 base_vha = pci_get_drvdata(pdev);
2092 ha = base_vha->hw;
2093
2094 list_for_each_entry_safe(vha, temp, &ha->vp_list, list) {
2095 if (vha && vha->fc_vport)
2096 fc_vport_terminate(vha->fc_vport);
2097 }
1da177e4 2098
e315cd28 2099 set_bit(UNLOADING, &base_vha->dpc_flags);
1da177e4 2100
b9978769
AV		 2101 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
2102
e315cd28 2103 qla2x00_dfs_remove(base_vha);
c795c1e4 2104
e315cd28 2105 qla84xx_put_chip(base_vha);
c795c1e4 2106
b9978769
AV		 2107 /* Disable timer */
2108 if (base_vha->timer_active)
2109 qla2x00_stop_timer(base_vha);
2110
2111 base_vha->flags.online = 0;
2112
68ca949c
AC		 2113 /* Flush the work queue and remove it */
2114 if (ha->wq) {
2115 flush_workqueue(ha->wq);
2116 destroy_workqueue(ha->wq);
2117 ha->wq = NULL;
2118 }
2119
b9978769
AV		 2120 /* Kill the kernel thread for this host */
2121 if (ha->dpc_thread) {
2122 struct task_struct *t = ha->dpc_thread;
2123
2124 /*
2125 * qla2xxx_wake_dpc checks for ->dpc_thread
2126 * so we need to zero it out.
2127 */
2128 ha->dpc_thread = NULL;
2129 kthread_stop(t);
2130 }
2131
e315cd28 2132 qla2x00_free_sysfs_attr(base_vha);
df613b96 2133
e315cd28 2134 fc_remove_host(base_vha->host);
4d4df193 2135
e315cd28 2136 scsi_remove_host(base_vha->host);
1da177e4 2137
e315cd28 2138 qla2x00_free_device(base_vha);
bdf79621 2139
e315cd28 2140 scsi_host_put(base_vha->host);
1da177e4 2141
e315cd28
AC		 2142 if (ha->iobase)
2143 iounmap(ha->iobase);
1da177e4 2144
73208dfd
AC		 2145 if (ha->mqiobase)
2146 iounmap(ha->mqiobase);
2147
e315cd28
AC		 2148 pci_release_selected_regions(ha->pdev, ha->bars);
2149 kfree(ha);
2150 ha = NULL;
1da177e4 2151
665db93b 2152 pci_disable_device(pdev);
1da177e4
LT		 2153 pci_set_drvdata(pdev, NULL);
2154}
1da177e4
LT		 2155
2156static void
e315cd28 2157qla2x00_free_device(scsi_qla_host_t *vha)
1da177e4 2158{
e315cd28 2159 struct qla_hw_data *ha = vha->hw;
1da177e4 2160
2afa19a9
AC		 2161 qla25xx_delete_queues(vha);
2162
df613b96 2163 if (ha->flags.fce_enabled)
e315cd28 2164 qla2x00_disable_fce_trace(vha, NULL, NULL);
df613b96 2165
a7a167bf 2166 if (ha->eft)
e315cd28 2167 qla2x00_disable_eft_trace(vha);
a7a167bf 2168
f6ef3b18 2169 /* Stop currently executing firmware. */
e315cd28 2170 qla2x00_try_to_stop_firmware(vha);
1da177e4 2171
f6ef3b18
AV		 2172 /* turn-off interrupts on the card */
2173 if (ha->interrupts_on)
fd34f556 2174 ha->isp_ops->disable_intrs(ha);
f6ef3b18 2175
e315cd28 2176 qla2x00_free_irqs(vha);
1da177e4 2177
e315cd28 2178 qla2x00_mem_free(ha);
73208dfd
AC		 2179
2180 qla2x00_free_queues(ha);
1da177e4
LT		 2181}
2182
d97994dc 2183static inline void
e315cd28 2184qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
d97994dc
AV		 2185 int defer)
2186{
d97994dc
AV		 2187 struct fc_rport *rport;
2188
2189 if (!fcport->rport)
2190 return;
2191
2192 rport = fcport->rport;
2193 if (defer) {
e315cd28 2194 spin_lock_irq(vha->host->host_lock);
d97994dc 2195 fcport->drport = rport;
e315cd28
AC		 2196 spin_unlock_irq(vha->host->host_lock);
2197 set_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags);
2198 qla2xxx_wake_dpc(vha);
5f3a9a20 2199 } else
d97994dc 2200 fc_remote_port_delete(rport);
d97994dc
AV		 2201}
2202
1da177e4
LT		 2203/*
2204 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
2205 *
2206 * Input: ha = adapter block pointer. fcport = port structure pointer.
2207 *
2208 * Return: None.
2209 *
2210 * Context:
2211 */
e315cd28 2212void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
d97994dc 2213 int do_login, int defer)
1da177e4 2214{
2c3dfe3f 2215 if (atomic_read(&fcport->state) == FCS_ONLINE &&
e315cd28
AC		 2216 vha->vp_idx == fcport->vp_idx) {
2217 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2218 qla2x00_schedule_rport_del(vha, fcport, defer);
2219 }
fa2a1ce5 2220 /*
1da177e4
LT		 2221 * We may need to retry the login, so don't change the state of the
2222 * port but do the retries.
2223 */
2224 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
2225 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2226
2227 if (!do_login)
2228 return;
2229
2230 if (fcport->login_retry == 0) {
e315cd28
AC		 2231 fcport->login_retry = vha->hw->login_retry_count;
2232 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1da177e4
LT		 2233
2234 DEBUG(printk("scsi(%ld): Port login retry: "
2235 "%02x%02x%02x%02x%02x%02x%02x%02x, "
2236 "id = 0x%04x retry cnt=%d\n",
e315cd28 2237 vha->host_no,
1da177e4
LT		 2238 fcport->port_name[0],
2239 fcport->port_name[1],
2240 fcport->port_name[2],
2241 fcport->port_name[3],
2242 fcport->port_name[4],
2243 fcport->port_name[5],
2244 fcport->port_name[6],
2245 fcport->port_name[7],
2246 fcport->loop_id,
2247 fcport->login_retry));
2248 }
2249}
2250
2251/*
2252 * qla2x00_mark_all_devices_lost
2253 * Updates fcport state when device goes offline.
2254 *
2255 * Input:
2256 * ha = adapter block pointer.
2257 * fcport = port structure pointer.
2258 *
2259 * Return:
2260 * None.
2261 *
2262 * Context:
2263 */
2264void
e315cd28 2265qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
1da177e4
LT		 2266{
2267 fc_port_t *fcport;
2268
e315cd28
AC		 2269 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2270 if (vha->vp_idx != fcport->vp_idx)
1da177e4 2271 continue;
1da177e4
LT		 2272 /*
2273 * No point in marking the device as lost, if the device is
2274 * already DEAD.
2275 */
2276 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
2277 continue;
e315cd28
AC		 2278 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2279 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2280 qla2x00_schedule_rport_del(vha, fcport, defer);
2281 } else
2282 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1da177e4
LT		 2283 }
2284}
2285
2286/*
2287* qla2x00_mem_alloc
2288* Allocates adapter memory.
2289*
2290* Returns:
2291* 0 = success.
e8711085 2292* !0 = failure.
1da177e4 2293*/
e8711085 2294static int
73208dfd
AC		 2295qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
2296 struct req_que **req, struct rsp_que **rsp)
1da177e4
LT		 2297{
2298 char name[16];
1da177e4 2299
e8711085 2300 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
e315cd28 2301 &ha->init_cb_dma, GFP_KERNEL);
e8711085 2302 if (!ha->init_cb)
e315cd28 2303 goto fail;
e8711085 2304
e315cd28
AC		 2305 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2306 &ha->gid_list_dma, GFP_KERNEL);
2307 if (!ha->gid_list)
e8711085 2308 goto fail_free_init_cb;
1da177e4 2309
e8711085
AV		 2310 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2311 if (!ha->srb_mempool)
e315cd28 2312 goto fail_free_gid_list;
e8711085
AV		 2313
2314 /* Get memory for cached NVRAM */
2315 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2316 if (!ha->nvram)
2317 goto fail_free_srb_mempool;
2318
e315cd28
AC		 2319 snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
2320 ha->pdev->device);
2321 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2322 DMA_POOL_SIZE, 8, 0);
2323 if (!ha->s_dma_pool)
2324 goto fail_free_nvram;
2325
e8711085
AV		 2326 /* Allocate memory for SNS commands */
2327 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
e315cd28 2328 /* Get consistent memory allocated for SNS commands */
e8711085 2329 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
e315cd28 2330 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
e8711085 2331 if (!ha->sns_cmd)
e315cd28 2332 goto fail_dma_pool;
e8711085 2333 } else {
e315cd28 2334 /* Get consistent memory allocated for MS IOCB */
e8711085 2335 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
e315cd28 2336 &ha->ms_iocb_dma);
e8711085 2337 if (!ha->ms_iocb)
e315cd28
AC		 2338 goto fail_dma_pool;
2339 /* Get consistent memory allocated for CT SNS commands */
e8711085 2340 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
e315cd28 2341 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
e8711085
AV		 2342 if (!ha->ct_sns)
2343 goto fail_free_ms_iocb;
1da177e4
LT		 2344 }
2345
e315cd28 2346 /* Allocate memory for request ring */
73208dfd
AC		 2347 *req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
2348 if (!*req) {
e315cd28
AC		 2349 DEBUG(printk("Unable to allocate memory for req\n"));
2350 goto fail_req;
2351 }
73208dfd
AC		 2352 (*req)->length = req_len;
2353 (*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
2354 ((*req)->length + 1) * sizeof(request_t),
2355 &(*req)->dma, GFP_KERNEL);
2356 if (!(*req)->ring) {
e315cd28
AC		 2357 DEBUG(printk("Unable to allocate memory for req_ring\n"));
2358 goto fail_req_ring;
2359 }
2360 /* Allocate memory for response ring */
73208dfd
AC		 2361 *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
2362 if (!*rsp) {
2363 qla_printk(KERN_WARNING, ha,
2364 "Unable to allocate memory for rsp\n");
e315cd28
AC		 2365 goto fail_rsp;
2366 }
73208dfd
AC		 2367 (*rsp)->hw = ha;
2368 (*rsp)->length = rsp_len;
2369 (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
2370 ((*rsp)->length + 1) * sizeof(response_t),
2371 &(*rsp)->dma, GFP_KERNEL);
2372 if (!(*rsp)->ring) {
2373 qla_printk(KERN_WARNING, ha,
2374 "Unable to allocate memory for rsp_ring\n");
e315cd28
AC		 2375 goto fail_rsp_ring;
2376 }
73208dfd
AC		 2377 (*req)->rsp = *rsp;
2378 (*rsp)->req = *req;
2379 /* Allocate memory for NVRAM data for vports */
2380 if (ha->nvram_npiv_size) {
2381 ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
2382 ha->nvram_npiv_size, GFP_KERNEL);
2383 if (!ha->npiv_info) {
2384 qla_printk(KERN_WARNING, ha,
2385 "Unable to allocate memory for npiv info\n");
2386 goto fail_npiv_info;
2387 }
2388 } else
2389 ha->npiv_info = NULL;
e8711085 2390
b64b0e8f
AV		 2391 /* Get consistent memory allocated for EX-INIT-CB. */
2392 if (IS_QLA81XX(ha)) {
2393 ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2394 &ha->ex_init_cb_dma);
2395 if (!ha->ex_init_cb)
2396 goto fail_ex_init_cb;
2397 }
2398
e315cd28
AC		 2399 INIT_LIST_HEAD(&ha->vp_list);
2400 return 1;
2401
b64b0e8f
AV		 2402fail_ex_init_cb:
2403 kfree(ha->npiv_info);
73208dfd
AC		 2404fail_npiv_info:
2405 dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
2406 sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
2407 (*rsp)->ring = NULL;
2408 (*rsp)->dma = 0;
e315cd28 2409fail_rsp_ring:
73208dfd 2410 kfree(*rsp);
e315cd28 2411fail_rsp:
73208dfd
AC		 2412 dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
2413 sizeof(request_t), (*req)->ring, (*req)->dma);
2414 (*req)->ring = NULL;
2415 (*req)->dma = 0;
e315cd28 2416fail_req_ring:
73208dfd 2417 kfree(*req);
e315cd28
AC		 2418fail_req:
2419 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2420 ha->ct_sns, ha->ct_sns_dma);
2421 ha->ct_sns = NULL;
2422 ha->ct_sns_dma = 0;
e8711085
AV		 2423fail_free_ms_iocb:
2424 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2425 ha->ms_iocb = NULL;
2426 ha->ms_iocb_dma = 0;
e315cd28
AC		 2427fail_dma_pool:
2428 dma_pool_destroy(ha->s_dma_pool);
2429 ha->s_dma_pool = NULL;
e8711085
AV		 2430fail_free_nvram:
2431 kfree(ha->nvram);
2432 ha->nvram = NULL;
2433fail_free_srb_mempool:
2434 mempool_destroy(ha->srb_mempool);
2435 ha->srb_mempool = NULL;
e8711085
AV		 2436fail_free_gid_list:
2437 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
e315cd28 2438 ha->gid_list_dma);
e8711085
AV		 2439 ha->gid_list = NULL;
2440 ha->gid_list_dma = 0;
e315cd28
AC		 2441fail_free_init_cb:
2442 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
2443 ha->init_cb_dma);
2444 ha->init_cb = NULL;
2445 ha->init_cb_dma = 0;
e8711085 2446fail:
e315cd28 2447 DEBUG(printk("%s: Memory allocation failure\n", __func__));
e8711085 2448 return -ENOMEM;
1da177e4
LT		 2449}
2450
2451/*
2452* qla2x00_mem_free
2453* Frees all adapter allocated memory.
2454*
2455* Input:
2456* ha = adapter block pointer.
2457*/
a824ebb3 2458static void
e315cd28 2459qla2x00_mem_free(struct qla_hw_data *ha)
1da177e4 2460{
e8711085
AV		 2461 if (ha->srb_mempool)
2462 mempool_destroy(ha->srb_mempool);
1da177e4 2463
df613b96
AV		 2464 if (ha->fce)
2465 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
e315cd28 2466 ha->fce_dma);
df613b96 2467
a7a167bf
AV		 2468 if (ha->fw_dump) {
2469 if (ha->eft)
2470 dma_free_coherent(&ha->pdev->dev,
e315cd28 2471 ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
a7a167bf
AV		 2472 vfree(ha->fw_dump);
2473 }
2474
11bbc1d8
AV		 2475 if (ha->dcbx_tlv)
2476 dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
2477 ha->dcbx_tlv, ha->dcbx_tlv_dma);
2478
ce0423f4
AV		 2479 if (ha->xgmac_data)
2480 dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
2481 ha->xgmac_data, ha->xgmac_data_dma);
2482
1da177e4
LT		 2483 if (ha->sns_cmd)
2484 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
e315cd28 2485 ha->sns_cmd, ha->sns_cmd_dma);
1da177e4
LT		 2486
2487 if (ha->ct_sns)
2488 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
e315cd28 2489 ha->ct_sns, ha->ct_sns_dma);
1da177e4 2490
88729e53
AV		 2491 if (ha->sfp_data)
2492 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2493
ad0ecd61
JC		 2494 if (ha->edc_data)
2495 dma_pool_free(ha->s_dma_pool, ha->edc_data, ha->edc_data_dma);
2496
1da177e4
LT		 2497 if (ha->ms_iocb)
2498 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2499
b64b0e8f
AV		 2500 if (ha->ex_init_cb)
2501 dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
2502
1da177e4
LT		 2503 if (ha->s_dma_pool)
2504 dma_pool_destroy(ha->s_dma_pool);
2505
1da177e4
LT		 2506 if (ha->gid_list)
2507 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
e315cd28 2508 ha->gid_list_dma);
1da177e4 2509
e315cd28
AC		 2510 if (ha->init_cb)
2511 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2512 ha->init_cb, ha->init_cb_dma);
2513 vfree(ha->optrom_buffer);
2514 kfree(ha->nvram);
73208dfd 2515 kfree(ha->npiv_info);
1da177e4 2516
e8711085 2517 ha->srb_mempool = NULL;
a7a167bf
AV		 2518 ha->eft = NULL;
2519 ha->eft_dma = 0;
1da177e4
LT		 2520 ha->sns_cmd = NULL;
2521 ha->sns_cmd_dma = 0;
2522 ha->ct_sns = NULL;
2523 ha->ct_sns_dma = 0;
2524 ha->ms_iocb = NULL;
2525 ha->ms_iocb_dma = 0;
1da177e4
LT		 2526 ha->init_cb = NULL;
2527 ha->init_cb_dma = 0;
b64b0e8f
AV		 2528 ha->ex_init_cb = NULL;
2529 ha->ex_init_cb_dma = 0;
1da177e4
LT		 2530
2531 ha->s_dma_pool = NULL;
2532
1da177e4
LT		 2533 ha->gid_list = NULL;
2534 ha->gid_list_dma = 0;
2535
e315cd28
AC		 2536 ha->fw_dump = NULL;
2537 ha->fw_dumped = 0;
2538 ha->fw_dump_reading = 0;
e315cd28 2539}
1da177e4 2540
e315cd28
AC		 2541struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
2542 struct qla_hw_data *ha)
2543{
2544 struct Scsi_Host *host;
2545 struct scsi_qla_host *vha = NULL;
854165f4 2546
e315cd28
AC		 2547 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
2548 if (host == NULL) {
2549 printk(KERN_WARNING
2550 "qla2xxx: Couldn't allocate host from scsi layer!\n");
2551 goto fail;
2552 }
2553
2554 /* Clear our data area */
2555 vha = shost_priv(host);
2556 memset(vha, 0, sizeof(scsi_qla_host_t));
2557
2558 vha->host = host;
2559 vha->host_no = host->host_no;
2560 vha->hw = ha;
2561
2562 INIT_LIST_HEAD(&vha->vp_fcports);
2563 INIT_LIST_HEAD(&vha->work_list);
2564 INIT_LIST_HEAD(&vha->list);
2565
f999f4c1
AV		 2566 spin_lock_init(&vha->work_lock);
2567
e315cd28
AC		 2568 sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
2569 return vha;
2570
2571fail:
2572 return vha;
1da177e4
LT		 2573}
2574
01ef66bb 2575static struct qla_work_evt *
f999f4c1 2576qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
0971de7f
AV		 2577{
2578 struct qla_work_evt *e;
2579
f999f4c1 2580 e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
0971de7f
AV		 2581 if (!e)
2582 return NULL;
2583
2584 INIT_LIST_HEAD(&e->list);
2585 e->type = type;
2586 e->flags = QLA_EVT_FLAG_FREE;
2587 return e;
2588}
2589
01ef66bb 2590static int
f999f4c1 2591qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
0971de7f 2592{
f999f4c1 2593 unsigned long flags;
0971de7f 2594
f999f4c1 2595 spin_lock_irqsave(&vha->work_lock, flags);
e315cd28 2596 list_add_tail(&e->list, &vha->work_list);
f999f4c1 2597 spin_unlock_irqrestore(&vha->work_lock, flags);
e315cd28 2598 qla2xxx_wake_dpc(vha);
f999f4c1 2599
0971de7f
AV		 2600 return QLA_SUCCESS;
2601}
2602
2603int
e315cd28 2604qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
0971de7f
AV		 2605 u32 data)
2606{
2607 struct qla_work_evt *e;
2608
f999f4c1 2609 e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
0971de7f
AV		 2610 if (!e)
2611 return QLA_FUNCTION_FAILED;
2612
2613 e->u.aen.code = code;
2614 e->u.aen.data = data;
f999f4c1 2615 return qla2x00_post_work(vha, e);
0971de7f
AV		 2616}
2617
8a659571
AV		 2618int
2619qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
2620{
2621 struct qla_work_evt *e;
2622
f999f4c1 2623 e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
8a659571
AV		 2624 if (!e)
2625 return QLA_FUNCTION_FAILED;
2626
2627 memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
f999f4c1 2628 return qla2x00_post_work(vha, e);
8a659571
AV		 2629}
2630
ac280b67
AV		 2631#define qla2x00_post_async_work(name, type) \
2632int qla2x00_post_async_##name##_work( \
2633 struct scsi_qla_host *vha, \
2634 fc_port_t *fcport, uint16_t *data) \
2635{ \
2636 struct qla_work_evt *e; \
2637 \
2638 e = qla2x00_alloc_work(vha, type); \
2639 if (!e) \
2640 return QLA_FUNCTION_FAILED; \
2641 \
2642 e->u.logio.fcport = fcport; \
2643 if (data) { \
2644 e->u.logio.data[0] = data[0]; \
2645 e->u.logio.data[1] = data[1]; \
2646 } \
2647 return qla2x00_post_work(vha, e); \
2648}
2649
2650qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
2651qla2x00_post_async_work(login_done, QLA_EVT_ASYNC_LOGIN_DONE);
2652qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
2653qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE);
2654
2655void
e315cd28 2656qla2x00_do_work(struct scsi_qla_host *vha)
0971de7f 2657{
f999f4c1
AV		 2658 struct qla_work_evt *e, *tmp;
2659 unsigned long flags;
2660 LIST_HEAD(work);
0971de7f 2661
f999f4c1
AV		 2662 spin_lock_irqsave(&vha->work_lock, flags);
2663 list_splice_init(&vha->work_list, &work);
2664 spin_unlock_irqrestore(&vha->work_lock, flags);
2665
2666 list_for_each_entry_safe(e, tmp, &work, list) {
0971de7f 2667 list_del_init(&e->list);
0971de7f
AV		 2668
2669 switch (e->type) {
2670 case QLA_EVT_AEN:
e315cd28 2671 fc_host_post_event(vha->host, fc_get_event_number(),
0971de7f
AV		 2672 e->u.aen.code, e->u.aen.data);
2673 break;
8a659571
AV		 2674 case QLA_EVT_IDC_ACK:
2675 qla81xx_idc_ack(vha, e->u.idc_ack.mb);
2676 break;
ac280b67
AV		 2677 case QLA_EVT_ASYNC_LOGIN:
2678 qla2x00_async_login(vha, e->u.logio.fcport,
2679 e->u.logio.data);
2680 break;
2681 case QLA_EVT_ASYNC_LOGIN_DONE:
2682 qla2x00_async_login_done(vha, e->u.logio.fcport,
2683 e->u.logio.data);
2684 break;
2685 case QLA_EVT_ASYNC_LOGOUT:
2686 qla2x00_async_logout(vha, e->u.logio.fcport);
2687 break;
2688 case QLA_EVT_ASYNC_LOGOUT_DONE:
2689 qla2x00_async_logout_done(vha, e->u.logio.fcport,
2690 e->u.logio.data);
2691 break;
0971de7f
AV		 2692 }
2693 if (e->flags & QLA_EVT_FLAG_FREE)
2694 kfree(e);
e315cd28 2695 }
e315cd28 2696}
f999f4c1 2697
e315cd28
AC		 2698/* Relogins all the fcports of a vport
2699 * Context: dpc thread
2700 */
2701void qla2x00_relogin(struct scsi_qla_host *vha)
2702{
2703 fc_port_t *fcport;
c6b2fca8 2704 int status;
e315cd28
AC		 2705 uint16_t next_loopid = 0;
2706 struct qla_hw_data *ha = vha->hw;
ac280b67 2707 uint16_t data[2];
e315cd28
AC		 2708
2709 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2710 /*
2711 * If the port is not ONLINE then try to login
2712 * to it if we haven't run out of retries.
2713 */
2714 if (atomic_read(&fcport->state) !=
2715 FCS_ONLINE && fcport->login_retry) {
2716
ac280b67 2717 fcport->login_retry--;
e315cd28
AC		 2718 if (fcport->flags & FCF_FABRIC_DEVICE) {
2719 if (fcport->flags & FCF_TAPE_PRESENT)
2720 ha->isp_ops->fabric_logout(vha,
2721 fcport->loop_id,
2722 fcport->d_id.b.domain,
2723 fcport->d_id.b.area,
2724 fcport->d_id.b.al_pa);
2725
ac280b67
AV		 2726 if (IS_ALOGIO_CAPABLE(ha)) {
2727 data[0] = 0;
2728 data[1] = QLA_LOGIO_LOGIN_RETRIED;
2729 status = qla2x00_post_async_login_work(
2730 vha, fcport, data);
2731 if (status == QLA_SUCCESS)
2732 continue;
2733 /* Attempt a retry. */
2734 status = 1;
2735 } else
2736 status = qla2x00_fabric_login(vha,
2737 fcport, &next_loopid);
e315cd28
AC		 2738 } else
2739 status = qla2x00_local_device_login(vha,
2740 fcport);
2741
e315cd28
AC		 2742 if (status == QLA_SUCCESS) {
2743 fcport->old_loop_id = fcport->loop_id;
2744
2745 DEBUG(printk("scsi(%ld): port login OK: logged "
2746 "in ID 0x%x\n", vha->host_no, fcport->loop_id));
2747
2748 qla2x00_update_fcport(vha, fcport);
2749
2750 } else if (status == 1) {
2751 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2752 /* retry the login again */
2753 DEBUG(printk("scsi(%ld): Retrying"
2754 " %d login again loop_id 0x%x\n",
2755 vha->host_no, fcport->login_retry,
2756 fcport->loop_id));
2757 } else {
2758 fcport->login_retry = 0;
2759 }
2760
2761 if (fcport->login_retry == 0 && status != QLA_SUCCESS)
2762 fcport->loop_id = FC_NO_LOOP_ID;
2763 }
2764 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2765 break;
0971de7f 2766 }
0971de7f
AV		 2767}
2768
1da177e4
LT		 2769/**************************************************************************
2770* qla2x00_do_dpc
2771* This kernel thread is a task that is schedule by the interrupt handler
2772* to perform the background processing for interrupts.
2773*
2774* Notes:
2775* This task always run in the context of a kernel thread. It
2776* is kick-off by the driver's detect code and starts up
2777* up one per adapter. It immediately goes to sleep and waits for
2778* some fibre event. When either the interrupt handler or
2779* the timer routine detects a event it will one of the task
2780* bits then wake us up.
2781**************************************************************************/
2782static int
2783qla2x00_do_dpc(void *data)
2784{
2c3dfe3f 2785 int rval;
e315cd28
AC		 2786 scsi_qla_host_t *base_vha;
2787 struct qla_hw_data *ha;
1da177e4 2788
e315cd28
AC		 2789 ha = (struct qla_hw_data *)data;
2790 base_vha = pci_get_drvdata(ha->pdev);
1da177e4 2791
1da177e4
LT		 2792 set_user_nice(current, -20);
2793
39a11240 2794 while (!kthread_should_stop()) {
1da177e4
LT		 2795 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2796
39a11240
CH		 2797 set_current_state(TASK_INTERRUPTIBLE);
2798 schedule();
2799 __set_current_state(TASK_RUNNING);
1da177e4
LT		 2800
2801 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2802
2803 /* Initialization not yet finished. Don't do anything yet. */
e315cd28 2804 if (!base_vha->flags.init_done)
1da177e4
LT		 2805 continue;
2806
e315cd28 2807 DEBUG3(printk("scsi(%ld): DPC handler\n", base_vha->host_no));
1da177e4
LT		 2808
2809 ha->dpc_active = 1;
2810
1da177e4 2811 if (ha->flags.mbox_busy) {
1da177e4
LT		 2812 ha->dpc_active = 0;
2813 continue;
2814 }
2815
e315cd28 2816 qla2x00_do_work(base_vha);
0971de7f 2817
e315cd28
AC		 2818 if (test_and_clear_bit(ISP_ABORT_NEEDED,
2819 &base_vha->dpc_flags)) {
1da177e4
LT		 2820
2821 DEBUG(printk("scsi(%ld): dpc: sched "
2822 "qla2x00_abort_isp ha = %p\n",
e315cd28 2823 base_vha->host_no, ha));
1da177e4 2824 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
e315cd28 2825 &base_vha->dpc_flags))) {
1da177e4 2826
e315cd28 2827 if (qla2x00_abort_isp(base_vha)) {
1da177e4
LT		 2828 /* failed. retry later */
2829 set_bit(ISP_ABORT_NEEDED,
e315cd28 2830 &base_vha->dpc_flags);
99363ef8 2831 }
e315cd28
AC		 2832 clear_bit(ABORT_ISP_ACTIVE,
2833 &base_vha->dpc_flags);
99363ef8
SJ		 2834 }
2835
1da177e4 2836 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
e315cd28 2837 base_vha->host_no));
1da177e4
LT		 2838 }
2839
e315cd28
AC		 2840 if (test_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags)) {
2841 qla2x00_update_fcports(base_vha);
2842 clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
c9c5ced9 2843 }
d97994dc 2844
e315cd28
AC		 2845 if (test_and_clear_bit(RESET_MARKER_NEEDED,
2846 &base_vha->dpc_flags) &&
2847 (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
1da177e4
LT		 2848
2849 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
e315cd28 2850 base_vha->host_no));
1da177e4 2851
e315cd28
AC		 2852 qla2x00_rst_aen(base_vha);
2853 clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
1da177e4
LT		 2854 }
2855
2856 /* Retry each device up to login retry count */
e315cd28
AC		 2857 if ((test_and_clear_bit(RELOGIN_NEEDED,
2858 &base_vha->dpc_flags)) &&
2859 !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
2860 atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
1da177e4
LT		 2861
2862 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
e315cd28
AC		 2863 base_vha->host_no));
2864 qla2x00_relogin(base_vha);
2865
1da177e4 2866 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
e315cd28 2867 base_vha->host_no));
1da177e4
LT		 2868 }
2869
e315cd28
AC		 2870 if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
2871 &base_vha->dpc_flags)) {
1da177e4
LT		 2872
2873 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
e315cd28 2874 base_vha->host_no));
1da177e4
LT		 2875
2876 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
e315cd28 2877 &base_vha->dpc_flags))) {
1da177e4 2878
e315cd28 2879 rval = qla2x00_loop_resync(base_vha);
1da177e4 2880
e315cd28
AC		 2881 clear_bit(LOOP_RESYNC_ACTIVE,
2882 &base_vha->dpc_flags);
1da177e4
LT		 2883 }
2884
2885 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
e315cd28 2886 base_vha->host_no));
1da177e4
LT		 2887 }
2888
e315cd28
AC		 2889 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
2890 atomic_read(&base_vha->loop_state) == LOOP_READY) {
2891 clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
2892 qla2xxx_flash_npiv_conf(base_vha);
272976ca
AV		 2893 }
2894
1da177e4 2895 if (!ha->interrupts_on)
fd34f556 2896 ha->isp_ops->enable_intrs(ha);
1da177e4 2897
e315cd28
AC		 2898 if (test_and_clear_bit(BEACON_BLINK_NEEDED,
2899 &base_vha->dpc_flags))
2900 ha->isp_ops->beacon_blink(base_vha);
f6df144c 2901
e315cd28 2902 qla2x00_do_dpc_all_vps(base_vha);
2c3dfe3f 2903
1da177e4
LT		 2904 ha->dpc_active = 0;
2905 } /* End of while(1) */
2906
e315cd28 2907 DEBUG(printk("scsi(%ld): DPC handler exiting\n", base_vha->host_no));
1da177e4
LT		 2908
2909 /*
2910 * Make sure that nobody tries to wake us up again.
2911 */
1da177e4
LT		 2912 ha->dpc_active = 0;
2913
ac280b67
AV		 2914 /* Cleanup any residual CTX SRBs. */
2915 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
2916
39a11240
CH		 2917 return 0;
2918}
2919
2920void
e315cd28 2921qla2xxx_wake_dpc(struct scsi_qla_host *vha)
39a11240 2922{
e315cd28 2923 struct qla_hw_data *ha = vha->hw;
c795c1e4
AV		 2924 struct task_struct *t = ha->dpc_thread;
2925
e315cd28 2926 if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
c795c1e4 2927 wake_up_process(t);
1da177e4
LT		 2928}
2929
1da177e4
LT		 2930/*
2931* qla2x00_rst_aen
2932* Processes asynchronous reset.
2933*
2934* Input:
2935* ha = adapter block pointer.
2936*/
2937static void
e315cd28 2938qla2x00_rst_aen(scsi_qla_host_t *vha)
1da177e4 2939{
e315cd28
AC		 2940 if (vha->flags.online && !vha->flags.reset_active &&
2941 !atomic_read(&vha->loop_down_timer) &&
2942 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
1da177e4 2943 do {
e315cd28 2944 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
1da177e4
LT		 2945
2946 /*
2947 * Issue marker command only when we are going to start
2948 * the I/O.
2949 */
e315cd28
AC		 2950 vha->marker_needed = 1;
2951 } while (!atomic_read(&vha->loop_down_timer) &&
2952 (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
1da177e4
LT		 2953 }
2954}
2955
f4f051eb 2956static void
e315cd28 2957qla2x00_sp_free_dma(srb_t *sp)
f4f051eb
AV		 2958{
2959 struct scsi_cmnd *cmd = sp->cmd;
2960
2961 if (sp->flags & SRB_DMA_VALID) {
385d70b4 2962 scsi_dma_unmap(cmd);
f4f051eb
AV		 2963 sp->flags &= ~SRB_DMA_VALID;
2964 }
fca29703 2965 CMD_SP(cmd) = NULL;
f4f051eb
AV		 2966}
2967
2968void
73208dfd 2969qla2x00_sp_compl(struct qla_hw_data *ha, srb_t *sp)
f4f051eb
AV		 2970{
2971 struct scsi_cmnd *cmd = sp->cmd;
2972
e315cd28 2973 qla2x00_sp_free_dma(sp);
f4f051eb 2974
f4f051eb
AV		 2975 mempool_free(sp, ha->srb_mempool);
2976
2977 cmd->scsi_done(cmd);
2978}
bdf79621 2979
1da177e4
LT		 2980/**************************************************************************
2981* qla2x00_timer
2982*
2983* Description:
2984* One second timer
2985*
2986* Context: Interrupt
2987***************************************************************************/
2c3dfe3f 2988void
e315cd28 2989qla2x00_timer(scsi_qla_host_t *vha)
1da177e4 2990{
1da177e4
LT		 2991 unsigned long cpu_flags = 0;
2992 fc_port_t *fcport;
1da177e4
LT		 2993 int start_dpc = 0;
2994 int index;
2995 srb_t *sp;
f4f051eb 2996 int t;
e315cd28 2997 struct qla_hw_data *ha = vha->hw;
73208dfd 2998 struct req_que *req;
1da177e4
LT		 2999 /*
3000 * Ports - Port down timer.
3001 *
3002 * Whenever, a port is in the LOST state we start decrementing its port
3003 * down timer every second until it reaches zero. Once it reaches zero
fa2a1ce5 3004 * the port it marked DEAD.
1da177e4
LT		 3005 */
3006 t = 0;
e315cd28 3007 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1da177e4
LT		 3008 if (fcport->port_type != FCT_TARGET)
3009 continue;
3010
3011 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
3012
3013 if (atomic_read(&fcport->port_down_timer) == 0)
3014 continue;
3015
fa2a1ce5 3016 if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
1da177e4 3017 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
fa2a1ce5 3018
1da177e4 3019 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
fca29703 3020 "%d remaining\n",
e315cd28 3021 vha->host_no,
1da177e4
LT		 3022 t, atomic_read(&fcport->port_down_timer)));
3023 }
3024 t++;
3025 } /* End of for fcport */
3026
1da177e4
LT		 3027
3028 /* Loop down handler. */
e315cd28
AC		 3029 if (atomic_read(&vha->loop_down_timer) > 0 &&
3030 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
3031 && vha->flags.online) {
1da177e4 3032
e315cd28
AC		 3033 if (atomic_read(&vha->loop_down_timer) ==
3034 vha->loop_down_abort_time) {
1da177e4
LT		 3035
3036 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
3037 "queues before time expire\n",
e315cd28 3038 vha->host_no));
1da177e4 3039
e315cd28
AC		 3040 if (!IS_QLA2100(ha) && vha->link_down_timeout)
3041 atomic_set(&vha->loop_state, LOOP_DEAD);
1da177e4
LT		 3042
3043 /* Schedule an ISP abort to return any tape commands. */
2c3dfe3f 3044 /* NPIV - scan physical port only */
e315cd28 3045 if (!vha->vp_idx) {
2c3dfe3f
SJ		 3046 spin_lock_irqsave(&ha->hardware_lock,
3047 cpu_flags);
73208dfd 3048 req = ha->req_q_map[0];
2c3dfe3f
SJ		 3049 for (index = 1;
3050 index < MAX_OUTSTANDING_COMMANDS;
3051 index++) {
3052 fc_port_t *sfcp;
3053
e315cd28 3054 sp = req->outstanding_cmds[index];
2c3dfe3f
SJ		 3055 if (!sp)
3056 continue;
cf53b069
AV		 3057 if (sp->ctx)
3058 continue;
2c3dfe3f
SJ		 3059 sfcp = sp->fcport;
3060 if (!(sfcp->flags & FCF_TAPE_PRESENT))
3061 continue;
bdf79621 3062
2c3dfe3f 3063 set_bit(ISP_ABORT_NEEDED,
e315cd28 3064 &vha->dpc_flags);
2c3dfe3f
SJ		 3065 break;
3066 }
3067 spin_unlock_irqrestore(&ha->hardware_lock,
e315cd28 3068 cpu_flags);
1da177e4 3069 }
1da177e4
LT		 3070 start_dpc++;
3071 }
3072
3073 /* if the loop has been down for 4 minutes, reinit adapter */
e315cd28 3074 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
e315cd28
AC		 3075 if (!(vha->device_flags & DFLG_NO_CABLE) &&
3076 !vha->vp_idx) {
1da177e4
LT		 3077 DEBUG(printk("scsi(%ld): Loop down - "
3078 "aborting ISP.\n",
e315cd28 3079 vha->host_no));
1da177e4
LT		 3080 qla_printk(KERN_WARNING, ha,
3081 "Loop down - aborting ISP.\n");
3082
e315cd28 3083 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 3084 }
3085 }
fca29703 3086 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
e315cd28
AC		 3087 vha->host_no,
3088 atomic_read(&vha->loop_down_timer)));
1da177e4
LT		 3089 }
3090
f6df144c
AV		 3091 /* Check if beacon LED needs to be blinked */
3092 if (ha->beacon_blink_led == 1) {
e315cd28 3093 set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
f6df144c
AV		 3094 start_dpc++;
3095 }
3096
550bf57d 3097 /* Process any deferred work. */
e315cd28 3098 if (!list_empty(&vha->work_list))
550bf57d
AV		 3099 start_dpc++;
3100
1da177e4 3101 /* Schedule the DPC routine if needed */
e315cd28
AC		 3102 if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
3103 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
3104 test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
1da177e4 3105 start_dpc ||
e315cd28
AC		 3106 test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
3107 test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
3108 test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
3109 test_bit(RELOGIN_NEEDED, &vha->dpc_flags)))
3110 qla2xxx_wake_dpc(vha);
1da177e4 3111
e315cd28 3112 qla2x00_restart_timer(vha, WATCH_INTERVAL);
1da177e4
LT		 3113}
3114
5433383e
AV		 3115/* Firmware interface routines. */
3116
3a03eb79 3117#define FW_BLOBS 7
5433383e
AV		 3118#define FW_ISP21XX 0
3119#define FW_ISP22XX 1
3120#define FW_ISP2300 2
3121#define FW_ISP2322 3
48c02fde 3122#define FW_ISP24XX 4
c3a2f0df 3123#define FW_ISP25XX 5
3a03eb79 3124#define FW_ISP81XX 6
5433383e 3125
bb8ee499
AV		 3126#define FW_FILE_ISP21XX "ql2100_fw.bin"
3127#define FW_FILE_ISP22XX "ql2200_fw.bin"
3128#define FW_FILE_ISP2300 "ql2300_fw.bin"
3129#define FW_FILE_ISP2322 "ql2322_fw.bin"
3130#define FW_FILE_ISP24XX "ql2400_fw.bin"
c3a2f0df 3131#define FW_FILE_ISP25XX "ql2500_fw.bin"
3a03eb79 3132#define FW_FILE_ISP81XX "ql8100_fw.bin"
bb8ee499 3133
e1e82b6f 3134static DEFINE_MUTEX(qla_fw_lock);
5433383e
AV		 3135
3136static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
bb8ee499
AV		 3137 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
3138 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
3139 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
3140 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
3141 { .name = FW_FILE_ISP24XX, },
c3a2f0df 3142 { .name = FW_FILE_ISP25XX, },
3a03eb79 3143 { .name = FW_FILE_ISP81XX, },
5433383e
AV		 3144};
3145
3146struct fw_blob *
e315cd28 3147qla2x00_request_firmware(scsi_qla_host_t *vha)
5433383e 3148{
e315cd28 3149 struct qla_hw_data *ha = vha->hw;
5433383e
AV		 3150 struct fw_blob *blob;
3151
3152 blob = NULL;
3153 if (IS_QLA2100(ha)) {
3154 blob = &qla_fw_blobs[FW_ISP21XX];
3155 } else if (IS_QLA2200(ha)) {
3156 blob = &qla_fw_blobs[FW_ISP22XX];
48c02fde 3157 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
5433383e 3158 blob = &qla_fw_blobs[FW_ISP2300];
48c02fde 3159 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
5433383e 3160 blob = &qla_fw_blobs[FW_ISP2322];
4d4df193 3161 } else if (IS_QLA24XX_TYPE(ha)) {
5433383e 3162 blob = &qla_fw_blobs[FW_ISP24XX];
c3a2f0df
AV		 3163 } else if (IS_QLA25XX(ha)) {
3164 blob = &qla_fw_blobs[FW_ISP25XX];
3a03eb79
AV		 3165 } else if (IS_QLA81XX(ha)) {
3166 blob = &qla_fw_blobs[FW_ISP81XX];
5433383e
AV		 3167 }
3168
e1e82b6f 3169 mutex_lock(&qla_fw_lock);
5433383e
AV		 3170 if (blob->fw)
3171 goto out;
3172
3173 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
3174 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
e315cd28 3175 "(%s).\n", vha->host_no, blob->name));
5433383e
AV		 3176 blob->fw = NULL;
3177 blob = NULL;
3178 goto out;
3179 }
3180
3181out:
e1e82b6f 3182 mutex_unlock(&qla_fw_lock);
5433383e
AV		 3183 return blob;
3184}
3185
3186static void
3187qla2x00_release_firmware(void)
3188{
3189 int idx;
3190
e1e82b6f 3191 mutex_lock(&qla_fw_lock);
5433383e
AV		 3192 for (idx = 0; idx < FW_BLOBS; idx++)
3193 if (qla_fw_blobs[idx].fw)
3194 release_firmware(qla_fw_blobs[idx].fw);
e1e82b6f 3195 mutex_unlock(&qla_fw_lock);
5433383e
AV		 3196}
3197
14e660e6
SJ		 3198static pci_ers_result_t
3199qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
3200{
b9b12f73
SJ		 3201 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3202
14e660e6
SJ		 3203 switch (state) {
3204 case pci_channel_io_normal:
3205 return PCI_ERS_RESULT_CAN_RECOVER;
3206 case pci_channel_io_frozen:
3207 pci_disable_device(pdev);
3208 return PCI_ERS_RESULT_NEED_RESET;
3209 case pci_channel_io_perm_failure:
b9b12f73 3210 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
14e660e6
SJ		 3211 return PCI_ERS_RESULT_DISCONNECT;
3212 }
3213 return PCI_ERS_RESULT_NEED_RESET;
3214}
3215
3216static pci_ers_result_t
3217qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
3218{
3219 int risc_paused = 0;
3220 uint32_t stat;
3221 unsigned long flags;
e315cd28
AC		 3222 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3223 struct qla_hw_data *ha = base_vha->hw;
14e660e6
SJ		 3224 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3225 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
3226
3227 spin_lock_irqsave(&ha->hardware_lock, flags);
3228 if (IS_QLA2100(ha) || IS_QLA2200(ha)){
3229 stat = RD_REG_DWORD(&reg->hccr);
3230 if (stat & HCCR_RISC_PAUSE)
3231 risc_paused = 1;
3232 } else if (IS_QLA23XX(ha)) {
3233 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
3234 if (stat & HSR_RISC_PAUSED)
3235 risc_paused = 1;
3236 } else if (IS_FWI2_CAPABLE(ha)) {
3237 stat = RD_REG_DWORD(&reg24->host_status);
3238 if (stat & HSRX_RISC_PAUSED)
3239 risc_paused = 1;
3240 }
3241 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3242
3243 if (risc_paused) {
3244 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
3245 "Dumping firmware!\n");
e315cd28 3246 ha->isp_ops->fw_dump(base_vha, 0);
14e660e6
SJ		 3247
3248 return PCI_ERS_RESULT_NEED_RESET;
3249 } else
3250 return PCI_ERS_RESULT_RECOVERED;
3251}
3252
3253static pci_ers_result_t
3254qla2xxx_pci_slot_reset(struct pci_dev *pdev)
3255{
3256 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
e315cd28
AC		 3257 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3258 struct qla_hw_data *ha = base_vha->hw;
09483916
BH		 3259 int rc;
3260
3261 if (ha->mem_only)
3262 rc = pci_enable_device_mem(pdev);
3263 else
3264 rc = pci_enable_device(pdev);
14e660e6 3265
09483916 3266 if (rc) {
14e660e6
SJ		 3267 qla_printk(KERN_WARNING, ha,
3268 "Can't re-enable PCI device after reset.\n");
3269
3270 return ret;
3271 }
3272 pci_set_master(pdev);
3273
e315cd28 3274 if (ha->isp_ops->pci_config(base_vha))
14e660e6
SJ		 3275 return ret;
3276
e315cd28
AC		 3277 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3278 if (qla2x00_abort_isp(base_vha) == QLA_SUCCESS)
14e660e6 3279 ret = PCI_ERS_RESULT_RECOVERED;
e315cd28 3280 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
14e660e6
SJ		 3281
3282 return ret;
3283}
3284
3285static void
3286qla2xxx_pci_resume(struct pci_dev *pdev)
3287{
e315cd28
AC		 3288 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3289 struct qla_hw_data *ha = base_vha->hw;
14e660e6
SJ		 3290 int ret;
3291
e315cd28 3292 ret = qla2x00_wait_for_hba_online(base_vha);
14e660e6
SJ		 3293 if (ret != QLA_SUCCESS) {
3294 qla_printk(KERN_ERR, ha,
3295 "the device failed to resume I/O "
3296 "from slot/link_reset");
3297 }
3298 pci_cleanup_aer_uncorrect_error_status(pdev);
3299}
3300
3301static struct pci_error_handlers qla2xxx_err_handler = {
3302 .error_detected = qla2xxx_pci_error_detected,
3303 .mmio_enabled = qla2xxx_pci_mmio_enabled,
3304 .slot_reset = qla2xxx_pci_slot_reset,
3305 .resume = qla2xxx_pci_resume,
3306};
3307
5433383e 3308static struct pci_device_id qla2xxx_pci_tbl[] = {
47f5e069
AV		 3309 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
3310 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
3311 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
3312 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
3313 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
3314 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
3315 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
3316 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
3317 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
4d4df193 3318 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
47f5e069
AV		 3319 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
3320 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
c3a2f0df 3321 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
3a03eb79 3322 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
5433383e
AV		 3323 { 0 },
3324};
3325MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
3326
fca29703 3327static struct pci_driver qla2xxx_pci_driver = {
cb63067a 3328 .name = QLA2XXX_DRIVER_NAME,
0a21ef1e
JB		 3329 .driver = {
3330 .owner = THIS_MODULE,
3331 },
fca29703 3332 .id_table = qla2xxx_pci_tbl,
7ee61397 3333 .probe = qla2x00_probe_one,
4c993f76 3334 .remove = qla2x00_remove_one,
14e660e6 3335 .err_handler = &qla2xxx_err_handler,
fca29703
AV		 3336};
3337
1da177e4
LT		 3338/**
3339 * qla2x00_module_init - Module initialization.
3340 **/
3341static int __init
3342qla2x00_module_init(void)
3343{
fca29703
AV		 3344 int ret = 0;
3345
1da177e4 3346 /* Allocate cache for SRBs. */
354d6b21 3347 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
20c2df83 3348 SLAB_HWCACHE_ALIGN, NULL);
1da177e4
LT		 3349 if (srb_cachep == NULL) {
3350 printk(KERN_ERR
3351 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
3352 return -ENOMEM;
3353 }
3354
3355 /* Derive version string. */
3356 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
11010fec 3357 if (ql2xextended_error_logging)
0181944f
AV		 3358 strcat(qla2x00_version_str, "-debug");
3359
1c97a12a
AV		 3360 qla2xxx_transport_template =
3361 fc_attach_transport(&qla2xxx_transport_functions);
2c3dfe3f
SJ		 3362 if (!qla2xxx_transport_template) {
3363 kmem_cache_destroy(srb_cachep);
1da177e4 3364 return -ENODEV;
2c3dfe3f
SJ		 3365 }
3366 qla2xxx_transport_vport_template =
3367 fc_attach_transport(&qla2xxx_transport_vport_functions);
3368 if (!qla2xxx_transport_vport_template) {
3369 kmem_cache_destroy(srb_cachep);
3370 fc_release_transport(qla2xxx_transport_template);
1da177e4 3371 return -ENODEV;
2c3dfe3f 3372 }
1da177e4 3373
fd9a29f0
AV		 3374 printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n",
3375 qla2x00_version_str);
7ee61397 3376 ret = pci_register_driver(&qla2xxx_pci_driver);
fca29703
AV		 3377 if (ret) {
3378 kmem_cache_destroy(srb_cachep);
3379 fc_release_transport(qla2xxx_transport_template);
2c3dfe3f 3380 fc_release_transport(qla2xxx_transport_vport_template);
fca29703
AV		 3381 }
3382 return ret;
1da177e4
LT		 3383}
3384
3385/**
3386 * qla2x00_module_exit - Module cleanup.
3387 **/
3388static void __exit
3389qla2x00_module_exit(void)
3390{
7ee61397 3391 pci_unregister_driver(&qla2xxx_pci_driver);
5433383e 3392 qla2x00_release_firmware();
354d6b21 3393 kmem_cache_destroy(srb_cachep);
1da177e4 3394 fc_release_transport(qla2xxx_transport_template);
2c3dfe3f 3395 fc_release_transport(qla2xxx_transport_vport_template);
1da177e4
LT		 3396}
3397
3398module_init(qla2x00_module_init);
3399module_exit(qla2x00_module_exit);
3400
3401MODULE_AUTHOR("QLogic Corporation");
3402MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
3403MODULE_LICENSE("GPL");
3404MODULE_VERSION(QLA2XXX_VERSION);
bb8ee499
AV		 3405MODULE_FIRMWARE(FW_FILE_ISP21XX);
3406MODULE_FIRMWARE(FW_FILE_ISP22XX);
3407MODULE_FIRMWARE(FW_FILE_ISP2300);
3408MODULE_FIRMWARE(FW_FILE_ISP2322);
3409MODULE_FIRMWARE(FW_FILE_ISP24XX);
61623fc3 3410MODULE_FIRMWARE(FW_FILE_ISP25XX);
3a03eb79 3411MODULE_FIRMWARE(FW_FILE_ISP81XX);
kernel source for telekom puls (alcatel/mediatek)