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[SCSI] qla2xxx: Enhance EEH support and enable AER support.
[linux-2.6-block.git] / drivers / scsi / qla2xxx / qla_os.c
CommitLineData
1da177e4 1/*
fa90c54f 2 * QLogic Fibre Channel HBA Driver
01e58d8e 3 * Copyright (c) 2003-2008 QLogic Corporation
1da177e4 4 *
fa90c54f 5 * See LICENSE.qla2xxx for copyright and licensing details.
1da177e4
LT		 6 */
7#include "qla_def.h"
8
9#include <linux/moduleparam.h>
10#include <linux/vmalloc.h>
1da177e4 11#include <linux/delay.h>
39a11240 12#include <linux/kthread.h>
e1e82b6f 13#include <linux/mutex.h>
3420d36c 14#include <linux/kobject.h>
1da177e4
LT		 15
16#include <scsi/scsi_tcq.h>
17#include <scsi/scsicam.h>
18#include <scsi/scsi_transport.h>
19#include <scsi/scsi_transport_fc.h>
20
21/*
22 * Driver version
23 */
24char qla2x00_version_str[40];
25
26/*
27 * SRB allocation cache
28 */
e18b890b 29static struct kmem_cache *srb_cachep;
1da177e4 30
1da177e4
LT		 31int ql2xlogintimeout = 20;
32module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR);
33MODULE_PARM_DESC(ql2xlogintimeout,
34 "Login timeout value in seconds.");
35
a7b61842 36int qlport_down_retry;
1da177e4
LT		 37module_param(qlport_down_retry, int, S_IRUGO|S_IRUSR);
38MODULE_PARM_DESC(qlport_down_retry,
900d9f98 39 "Maximum number of command retries to a port that returns "
1da177e4
LT		 40 "a PORT-DOWN status.");
41
1da177e4
LT		 42int ql2xplogiabsentdevice;
43module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
44MODULE_PARM_DESC(ql2xplogiabsentdevice,
45 "Option to enable PLOGI to devices that are not present after "
900d9f98 46 "a Fabric scan. This is needed for several broken switches. "
1da177e4
LT		 47 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
48
1da177e4
LT		 49int ql2xloginretrycount = 0;
50module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR);
51MODULE_PARM_DESC(ql2xloginretrycount,
52 "Specify an alternate value for the NVRAM login retry count.");
53
a7a167bf
AV		 54int ql2xallocfwdump = 1;
55module_param(ql2xallocfwdump, int, S_IRUGO|S_IRUSR);
56MODULE_PARM_DESC(ql2xallocfwdump,
57 "Option to enable allocation of memory for a firmware dump "
58 "during HBA initialization. Memory allocation requirements "
59 "vary by ISP type. Default is 1 - allocate memory.");
60
11010fec 61int ql2xextended_error_logging;
27d94035 62module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
11010fec 63MODULE_PARM_DESC(ql2xextended_error_logging,
0181944f
AV		 64 "Option to enable extended error logging, "
65 "Default is 0 - no logging. 1 - log errors.");
66
1da177e4
LT		 67static void qla2x00_free_device(scsi_qla_host_t *);
68
7e47e5ca 69int ql2xfdmienable=1;
cca5335c
AV		 70module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR);
71MODULE_PARM_DESC(ql2xfdmienable,
72 "Enables FDMI registratons "
73 "Default is 0 - no FDMI. 1 - perfom FDMI.");
74
df7baa50
AV		 75#define MAX_Q_DEPTH 32
76static int ql2xmaxqdepth = MAX_Q_DEPTH;
77module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
78MODULE_PARM_DESC(ql2xmaxqdepth,
79 "Maximum queue depth to report for target devices.");
80
e5896bd5
AV		 81int ql2xiidmaenable=1;
82module_param(ql2xiidmaenable, int, S_IRUGO|S_IRUSR);
83MODULE_PARM_DESC(ql2xiidmaenable,
84 "Enables iIDMA settings "
85 "Default is 1 - perform iIDMA. 0 - no iIDMA.");
86
73208dfd
AC		 87int ql2xmaxqueues = 1;
88module_param(ql2xmaxqueues, int, S_IRUGO|S_IRUSR);
89MODULE_PARM_DESC(ql2xmaxqueues,
90 "Enables MQ settings "
91 "Default is 1 for single queue. Set it to number \
92 of queues in MQ mode.");
68ca949c
AC		 93
94int ql2xmultique_tag;
95module_param(ql2xmultique_tag, int, S_IRUGO|S_IRUSR);
96MODULE_PARM_DESC(ql2xmultique_tag,
97 "Enables CPU affinity settings for the driver "
98 "Default is 0 for no affinity of request and response IO. "
99 "Set it to 1 to turn on the cpu affinity.");
e337d907
AV		 100
101int ql2xfwloadbin;
102module_param(ql2xfwloadbin, int, S_IRUGO|S_IRUSR);
103MODULE_PARM_DESC(ql2xfwloadbin,
104 "Option to specify location from which to load ISP firmware:\n"
105 " 2 -- load firmware via the request_firmware() (hotplug)\n"
106 " interface.\n"
107 " 1 -- load firmware from flash.\n"
108 " 0 -- use default semantics.\n");
109
1da177e4 110/*
fa2a1ce5 111 * SCSI host template entry points
1da177e4
LT		 112 */
113static int qla2xxx_slave_configure(struct scsi_device * device);
f4f051eb 114static int qla2xxx_slave_alloc(struct scsi_device *);
1e99e33a
AV		 115static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
116static void qla2xxx_scan_start(struct Scsi_Host *);
f4f051eb 117static void qla2xxx_slave_destroy(struct scsi_device *);
a5326f86 118static int qla2xxx_queuecommand(struct scsi_cmnd *cmd,
fca29703 119 void (*fn)(struct scsi_cmnd *));
1da177e4
LT		 120static int qla2xxx_eh_abort(struct scsi_cmnd *);
121static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
523ec773 122static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
1da177e4
LT		 123static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
124static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
1da177e4 125
e881a172 126static int qla2x00_change_queue_depth(struct scsi_device *, int, int);
ce7e4af7
AV		 127static int qla2x00_change_queue_type(struct scsi_device *, int);
128
a5326f86 129struct scsi_host_template qla2xxx_driver_template = {
1da177e4 130 .module = THIS_MODULE,
cb63067a 131 .name = QLA2XXX_DRIVER_NAME,
a5326f86 132 .queuecommand = qla2xxx_queuecommand,
fca29703
AV		 133
134 .eh_abort_handler = qla2xxx_eh_abort,
135 .eh_device_reset_handler = qla2xxx_eh_device_reset,
523ec773 136 .eh_target_reset_handler = qla2xxx_eh_target_reset,
fca29703
AV		 137 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
138 .eh_host_reset_handler = qla2xxx_eh_host_reset,
139
140 .slave_configure = qla2xxx_slave_configure,
141
142 .slave_alloc = qla2xxx_slave_alloc,
143 .slave_destroy = qla2xxx_slave_destroy,
ed677086
AV		 144 .scan_finished = qla2xxx_scan_finished,
145 .scan_start = qla2xxx_scan_start,
ce7e4af7
AV		 146 .change_queue_depth = qla2x00_change_queue_depth,
147 .change_queue_type = qla2x00_change_queue_type,
fca29703
AV		 148 .this_id = -1,
149 .cmd_per_lun = 3,
150 .use_clustering = ENABLE_CLUSTERING,
151 .sg_tablesize = SG_ALL,
152
153 .max_sectors = 0xFFFF,
afb046e2 154 .shost_attrs = qla2x00_host_attrs,
fca29703
AV		 155};
156
1da177e4 157static struct scsi_transport_template *qla2xxx_transport_template = NULL;
2c3dfe3f 158struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
1da177e4 159
1da177e4
LT		 160/* TODO Convert to inlines
161 *
162 * Timer routines
163 */
1da177e4 164
2c3dfe3f 165__inline__ void
e315cd28 166qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval)
1da177e4 167{
e315cd28
AC		 168 init_timer(&vha->timer);
169 vha->timer.expires = jiffies + interval * HZ;
170 vha->timer.data = (unsigned long)vha;
171 vha->timer.function = (void (*)(unsigned long))func;
172 add_timer(&vha->timer);
173 vha->timer_active = 1;
1da177e4
LT		 174}
175
176static inline void
e315cd28 177qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
1da177e4 178{
e315cd28 179 mod_timer(&vha->timer, jiffies + interval * HZ);
1da177e4
LT		 180}
181
a824ebb3 182static __inline__ void
e315cd28 183qla2x00_stop_timer(scsi_qla_host_t *vha)
1da177e4 184{
e315cd28
AC		 185 del_timer_sync(&vha->timer);
186 vha->timer_active = 0;
1da177e4
LT		 187}
188
1da177e4
LT		 189static int qla2x00_do_dpc(void *data);
190
191static void qla2x00_rst_aen(scsi_qla_host_t *);
192
73208dfd
AC		 193static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
194 struct req_que **, struct rsp_que **);
e315cd28
AC		 195static void qla2x00_mem_free(struct qla_hw_data *);
196static void qla2x00_sp_free_dma(srb_t *);
1da177e4 197
1da177e4 198/* -------------------------------------------------------------------------- */
73208dfd
AC		 199static int qla2x00_alloc_queues(struct qla_hw_data *ha)
200{
2afa19a9 201 ha->req_q_map = kzalloc(sizeof(struct req_que *) * ha->max_req_queues,
73208dfd
AC		 202 GFP_KERNEL);
203 if (!ha->req_q_map) {
204 qla_printk(KERN_WARNING, ha,
205 "Unable to allocate memory for request queue ptrs\n");
206 goto fail_req_map;
207 }
208
2afa19a9 209 ha->rsp_q_map = kzalloc(sizeof(struct rsp_que *) * ha->max_rsp_queues,
73208dfd
AC		 210 GFP_KERNEL);
211 if (!ha->rsp_q_map) {
212 qla_printk(KERN_WARNING, ha,
213 "Unable to allocate memory for response queue ptrs\n");
214 goto fail_rsp_map;
215 }
216 set_bit(0, ha->rsp_qid_map);
217 set_bit(0, ha->req_qid_map);
218 return 1;
219
220fail_rsp_map:
221 kfree(ha->req_q_map);
222 ha->req_q_map = NULL;
223fail_req_map:
224 return -ENOMEM;
225}
226
2afa19a9 227static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
73208dfd 228{
73208dfd
AC		 229 if (req && req->ring)
230 dma_free_coherent(&ha->pdev->dev,
231 (req->length + 1) * sizeof(request_t),
232 req->ring, req->dma);
233
234 kfree(req);
235 req = NULL;
236}
237
2afa19a9
AC		 238static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
239{
240 if (rsp && rsp->ring)
241 dma_free_coherent(&ha->pdev->dev,
242 (rsp->length + 1) * sizeof(response_t),
243 rsp->ring, rsp->dma);
244
245 kfree(rsp);
246 rsp = NULL;
247}
248
73208dfd
AC		 249static void qla2x00_free_queues(struct qla_hw_data *ha)
250{
251 struct req_que *req;
252 struct rsp_que *rsp;
253 int cnt;
254
2afa19a9 255 for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
73208dfd 256 req = ha->req_q_map[cnt];
2afa19a9 257 qla2x00_free_req_que(ha, req);
73208dfd 258 }
73208dfd
AC		 259 kfree(ha->req_q_map);
260 ha->req_q_map = NULL;
2afa19a9
AC		 261
262 for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
263 rsp = ha->rsp_q_map[cnt];
264 qla2x00_free_rsp_que(ha, rsp);
265 }
266 kfree(ha->rsp_q_map);
267 ha->rsp_q_map = NULL;
73208dfd
AC		 268}
269
68ca949c
AC		 270static int qla25xx_setup_mode(struct scsi_qla_host *vha)
271{
272 uint16_t options = 0;
273 int ques, req, ret;
274 struct qla_hw_data *ha = vha->hw;
275
7163ea81
AC		 276 if (!(ha->fw_attributes & BIT_6)) {
277 qla_printk(KERN_INFO, ha,
278 "Firmware is not multi-queue capable\n");
279 goto fail;
280 }
68ca949c 281 if (ql2xmultique_tag) {
68ca949c
AC		 282 /* create a request queue for IO */
283 options |= BIT_7;
284 req = qla25xx_create_req_que(ha, options, 0, 0, -1,
285 QLA_DEFAULT_QUE_QOS);
286 if (!req) {
287 qla_printk(KERN_WARNING, ha,
288 "Can't create request queue\n");
289 goto fail;
290 }
7163ea81 291 ha->wq = create_workqueue("qla2xxx_wq");
68ca949c
AC		 292 vha->req = ha->req_q_map[req];
293 options |= BIT_1;
294 for (ques = 1; ques < ha->max_rsp_queues; ques++) {
295 ret = qla25xx_create_rsp_que(ha, options, 0, 0, req);
296 if (!ret) {
297 qla_printk(KERN_WARNING, ha,
298 "Response Queue create failed\n");
299 goto fail2;
300 }
301 }
7163ea81
AC		 302 ha->flags.cpu_affinity_enabled = 1;
303
68ca949c
AC		 304 DEBUG2(qla_printk(KERN_INFO, ha,
305 "CPU affinity mode enabled, no. of response"
306 " queues:%d, no. of request queues:%d\n",
307 ha->max_rsp_queues, ha->max_req_queues));
308 }
309 return 0;
310fail2:
311 qla25xx_delete_queues(vha);
7163ea81
AC		 312 destroy_workqueue(ha->wq);
313 ha->wq = NULL;
68ca949c
AC		 314fail:
315 ha->mqenable = 0;
7163ea81
AC		 316 kfree(ha->req_q_map);
317 kfree(ha->rsp_q_map);
318 ha->max_req_queues = ha->max_rsp_queues = 1;
68ca949c
AC		 319 return 1;
320}
321
1da177e4 322static char *
e315cd28 323qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
1da177e4 324{
e315cd28 325 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 326 static char *pci_bus_modes[] = {
327 "33", "66", "100", "133",
328 };
329 uint16_t pci_bus;
330
331 strcpy(str, "PCI");
332 pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
333 if (pci_bus) {
334 strcat(str, "-X (");
335 strcat(str, pci_bus_modes[pci_bus]);
336 } else {
337 pci_bus = (ha->pci_attr & BIT_8) >> 8;
338 strcat(str, " (");
339 strcat(str, pci_bus_modes[pci_bus]);
340 }
341 strcat(str, " MHz)");
342
343 return (str);
344}
345
fca29703 346static char *
e315cd28 347qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
fca29703
AV		 348{
349 static char *pci_bus_modes[] = { "33", "66", "100", "133", };
e315cd28 350 struct qla_hw_data *ha = vha->hw;
fca29703
AV		 351 uint32_t pci_bus;
352 int pcie_reg;
353
354 pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
355 if (pcie_reg) {
356 char lwstr[6];
357 uint16_t pcie_lstat, lspeed, lwidth;
358
359 pcie_reg += 0x12;
360 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
361 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
362 lwidth = (pcie_lstat &
363 (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
364
365 strcpy(str, "PCIe (");
366 if (lspeed == 1)
c87a0d8c 367 strcat(str, "2.5GT/s ");
c3a2f0df 368 else if (lspeed == 2)
c87a0d8c 369 strcat(str, "5.0GT/s ");
fca29703
AV		 370 else
371 strcat(str, "<unknown> ");
372 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
373 strcat(str, lwstr);
374
375 return str;
376 }
377
378 strcpy(str, "PCI");
379 pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
380 if (pci_bus == 0 || pci_bus == 8) {
381 strcat(str, " (");
382 strcat(str, pci_bus_modes[pci_bus >> 3]);
383 } else {
384 strcat(str, "-X ");
385 if (pci_bus & BIT_2)
386 strcat(str, "Mode 2");
387 else
388 strcat(str, "Mode 1");
389 strcat(str, " (");
390 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
391 }
392 strcat(str, " MHz)");
393
394 return str;
395}
396
e5f82ab8 397static char *
e315cd28 398qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str)
1da177e4
LT		 399{
400 char un_str[10];
e315cd28 401 struct qla_hw_data *ha = vha->hw;
fa2a1ce5 402
1da177e4
LT		 403 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
404 ha->fw_minor_version,
405 ha->fw_subminor_version);
406
407 if (ha->fw_attributes & BIT_9) {
408 strcat(str, "FLX");
409 return (str);
410 }
411
412 switch (ha->fw_attributes & 0xFF) {
413 case 0x7:
414 strcat(str, "EF");
415 break;
416 case 0x17:
417 strcat(str, "TP");
418 break;
419 case 0x37:
420 strcat(str, "IP");
421 break;
422 case 0x77:
423 strcat(str, "VI");
424 break;
425 default:
426 sprintf(un_str, "(%x)", ha->fw_attributes);
427 strcat(str, un_str);
428 break;
429 }
430 if (ha->fw_attributes & 0x100)
431 strcat(str, "X");
432
433 return (str);
434}
435
e5f82ab8 436static char *
e315cd28 437qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str)
fca29703 438{
e315cd28 439 struct qla_hw_data *ha = vha->hw;
f0883ac6 440
3a03eb79
AV		 441 sprintf(str, "%d.%02d.%02d (%x)", ha->fw_major_version,
442 ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
fca29703 443 return str;
fca29703
AV		 444}
445
446static inline srb_t *
e315cd28 447qla2x00_get_new_sp(scsi_qla_host_t *vha, fc_port_t *fcport,
fca29703
AV		 448 struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
449{
450 srb_t *sp;
e315cd28 451 struct qla_hw_data *ha = vha->hw;
fca29703
AV		 452
453 sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
454 if (!sp)
455 return sp;
456
fca29703
AV		 457 sp->fcport = fcport;
458 sp->cmd = cmd;
459 sp->flags = 0;
460 CMD_SP(cmd) = (void *)sp;
461 cmd->scsi_done = done;
cf53b069 462 sp->ctx = NULL;
fca29703
AV		 463
464 return sp;
465}
466
1da177e4 467static int
a5326f86 468qla2xxx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
fca29703 469{
e315cd28 470 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
fca29703 471 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
19a7b4ae 472 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
e315cd28
AC		 473 struct qla_hw_data *ha = vha->hw;
474 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
fca29703
AV		 475 srb_t *sp;
476 int rval;
477
85880801
AV		 478 if (ha->flags.eeh_busy) {
479 if (ha->flags.pci_channel_io_perm_failure)
b9b12f73 480 cmd->result = DID_NO_CONNECT << 16;
85880801
AV		 481 else
482 cmd->result = DID_REQUEUE << 16;
14e660e6
SJ		 483 goto qc24_fail_command;
484 }
485
19a7b4ae
JSEC		 486 rval = fc_remote_port_chkready(rport);
487 if (rval) {
488 cmd->result = rval;
fca29703
AV		 489 goto qc24_fail_command;
490 }
491
387f96b4 492 /* Close window on fcport/rport state-transitioning. */
7b594131
MC		 493 if (fcport->drport)
494 goto qc24_target_busy;
387f96b4 495
fca29703
AV		 496 if (atomic_read(&fcport->state) != FCS_ONLINE) {
497 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
e315cd28 498 atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
fca29703
AV		 499 cmd->result = DID_NO_CONNECT << 16;
500 goto qc24_fail_command;
501 }
7b594131 502 goto qc24_target_busy;
fca29703
AV		 503 }
504
e315cd28 505 spin_unlock_irq(vha->host->host_lock);
fca29703 506
e315cd28 507 sp = qla2x00_get_new_sp(base_vha, fcport, cmd, done);
fca29703
AV		 508 if (!sp)
509 goto qc24_host_busy_lock;
510
e315cd28 511 rval = ha->isp_ops->start_scsi(sp);
fca29703
AV		 512 if (rval != QLA_SUCCESS)
513 goto qc24_host_busy_free_sp;
514
e315cd28 515 spin_lock_irq(vha->host->host_lock);
fca29703
AV		 516
517 return 0;
518
519qc24_host_busy_free_sp:
e315cd28
AC		 520 qla2x00_sp_free_dma(sp);
521 mempool_free(sp, ha->srb_mempool);
fca29703
AV		 522
523qc24_host_busy_lock:
e315cd28 524 spin_lock_irq(vha->host->host_lock);
fca29703
AV		 525 return SCSI_MLQUEUE_HOST_BUSY;
526
7b594131
MC		 527qc24_target_busy:
528 return SCSI_MLQUEUE_TARGET_BUSY;
529
fca29703
AV		 530qc24_fail_command:
531 done(cmd);
532
533 return 0;
534}
535
536
1da177e4
LT		 537/*
538 * qla2x00_eh_wait_on_command
539 * Waits for the command to be returned by the Firmware for some
540 * max time.
541 *
542 * Input:
1da177e4 543 * cmd = Scsi Command to wait on.
1da177e4
LT		 544 *
545 * Return:
546 * Not Found : 0
547 * Found : 1
548 */
549static int
e315cd28 550qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
1da177e4 551{
fe74c71f
AV		 552#define ABORT_POLLING_PERIOD 1000
553#define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
f4f051eb 554 unsigned long wait_iter = ABORT_WAIT_ITER;
85880801
AV		 555 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
556 struct qla_hw_data *ha = vha->hw;
f4f051eb 557 int ret = QLA_SUCCESS;
1da177e4 558
85880801
AV		 559 if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) {
560 DEBUG17(qla_printk(KERN_WARNING, ha, "return:eh_wait\n"));
561 return ret;
562 }
563
d970432c 564 while (CMD_SP(cmd) && wait_iter--) {
fe74c71f 565 msleep(ABORT_POLLING_PERIOD);
f4f051eb 566 }
567 if (CMD_SP(cmd))
568 ret = QLA_FUNCTION_FAILED;
1da177e4 569
f4f051eb 570 return ret;
1da177e4
LT		 571}
572
573/*
574 * qla2x00_wait_for_hba_online
fa2a1ce5 575 * Wait till the HBA is online after going through
1da177e4
LT		 576 * <= MAX_RETRIES_OF_ISP_ABORT or
577 * finally HBA is disabled ie marked offline
578 *
579 * Input:
580 * ha - pointer to host adapter structure
fa2a1ce5
AV		 581 *
582 * Note:
1da177e4
LT		 583 * Does context switching-Release SPIN_LOCK
584 * (if any) before calling this routine.
585 *
586 * Return:
587 * Success (Adapter is online) : 0
588 * Failed (Adapter is offline/disabled) : 1
589 */
854165f4 590int
e315cd28 591qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
1da177e4 592{
fca29703
AV		 593 int return_status;
594 unsigned long wait_online;
e315cd28
AC		 595 struct qla_hw_data *ha = vha->hw;
596 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1da177e4 597
fa2a1ce5 598 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
e315cd28
AC		 599 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
600 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
601 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
602 ha->dpc_active) && time_before(jiffies, wait_online)) {
1da177e4
LT		 603
604 msleep(1000);
605 }
e315cd28 606 if (base_vha->flags.online)
fa2a1ce5 607 return_status = QLA_SUCCESS;
1da177e4
LT		 608 else
609 return_status = QLA_FUNCTION_FAILED;
610
1da177e4
LT		 611 return (return_status);
612}
613
2533cf67
LC		 614int
615qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
616{
617 int return_status;
618 unsigned long wait_reset;
619 struct qla_hw_data *ha = vha->hw;
620 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
621
622 wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
623 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
624 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
625 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
626 ha->dpc_active) && time_before(jiffies, wait_reset)) {
627
628 msleep(1000);
629
630 if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
631 ha->flags.chip_reset_done)
632 break;
633 }
634 if (ha->flags.chip_reset_done)
635 return_status = QLA_SUCCESS;
636 else
637 return_status = QLA_FUNCTION_FAILED;
638
639 return return_status;
640}
641
1da177e4
LT		 642/*
643 * qla2x00_wait_for_loop_ready
644 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
fa2a1ce5 645 * to be in LOOP_READY state.
1da177e4
LT		 646 * Input:
647 * ha - pointer to host adapter structure
fa2a1ce5
AV		 648 *
649 * Note:
1da177e4
LT		 650 * Does context switching-Release SPIN_LOCK
651 * (if any) before calling this routine.
fa2a1ce5 652 *
1da177e4
LT		 653 *
654 * Return:
655 * Success (LOOP_READY) : 0
656 * Failed (LOOP_NOT_READY) : 1
657 */
fa2a1ce5 658static inline int
e315cd28 659qla2x00_wait_for_loop_ready(scsi_qla_host_t *vha)
1da177e4
LT		 660{
661 int return_status = QLA_SUCCESS;
662 unsigned long loop_timeout ;
e315cd28
AC		 663 struct qla_hw_data *ha = vha->hw;
664 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1da177e4
LT		 665
666 /* wait for 5 min at the max for loop to be ready */
fa2a1ce5 667 loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1da177e4 668
e315cd28
AC		 669 while ((!atomic_read(&base_vha->loop_down_timer) &&
670 atomic_read(&base_vha->loop_state) == LOOP_DOWN) ||
671 atomic_read(&base_vha->loop_state) != LOOP_READY) {
672 if (atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
57680080
RA		 673 return_status = QLA_FUNCTION_FAILED;
674 break;
675 }
1da177e4
LT		 676 msleep(1000);
677 if (time_after_eq(jiffies, loop_timeout)) {
678 return_status = QLA_FUNCTION_FAILED;
679 break;
680 }
681 }
fa2a1ce5 682 return (return_status);
1da177e4
LT		 683}
684
5f3a9a20
SJ		 685void
686qla2x00_abort_fcport_cmds(fc_port_t *fcport)
687{
2afa19a9 688 int cnt;
5f3a9a20
SJ		 689 unsigned long flags;
690 srb_t *sp;
e315cd28
AC		 691 scsi_qla_host_t *vha = fcport->vha;
692 struct qla_hw_data *ha = vha->hw;
73208dfd 693 struct req_que *req;
5f3a9a20 694
e315cd28 695 spin_lock_irqsave(&ha->hardware_lock, flags);
2afa19a9
AC		 696 req = vha->req;
697 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
698 sp = req->outstanding_cmds[cnt];
699 if (!sp)
700 continue;
701 if (sp->fcport != fcport)
5f3a9a20 702 continue;
cf53b069
AV		 703 if (sp->ctx)
704 continue;
5f3a9a20 705
2afa19a9
AC		 706 spin_unlock_irqrestore(&ha->hardware_lock, flags);
707 if (ha->isp_ops->abort_command(sp)) {
708 DEBUG2(qla_printk(KERN_WARNING, ha,
709 "Abort failed -- %lx\n",
710 sp->cmd->serial_number));
711 } else {
712 if (qla2x00_eh_wait_on_command(sp->cmd) !=
713 QLA_SUCCESS)
5f3a9a20 714 DEBUG2(qla_printk(KERN_WARNING, ha,
2afa19a9 715 "Abort failed while waiting -- %lx\n",
73208dfd 716 sp->cmd->serial_number));
5f3a9a20 717 }
2afa19a9 718 spin_lock_irqsave(&ha->hardware_lock, flags);
5f3a9a20 719 }
e315cd28 720 spin_unlock_irqrestore(&ha->hardware_lock, flags);
5f3a9a20
SJ		 721}
722
1da177e4
LT		 723/**************************************************************************
724* qla2xxx_eh_abort
725*
726* Description:
727* The abort function will abort the specified command.
728*
729* Input:
730* cmd = Linux SCSI command packet to be aborted.
731*
732* Returns:
733* Either SUCCESS or FAILED.
734*
735* Note:
2ea00202 736* Only return FAILED if command not returned by firmware.
1da177e4 737**************************************************************************/
e5f82ab8 738static int
1da177e4
LT		 739qla2xxx_eh_abort(struct scsi_cmnd *cmd)
740{
e315cd28 741 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
f4f051eb 742 srb_t *sp;
17d98630 743 int ret, i;
f4f051eb 744 unsigned int id, lun;
745 unsigned long serial;
18e144d3 746 unsigned long flags;
2ea00202 747 int wait = 0;
e315cd28 748 struct qla_hw_data *ha = vha->hw;
67c2e93a 749 struct req_que *req = vha->req;
17d98630 750 srb_t *spt;
1da177e4 751
65d430fa 752 fc_block_scsi_eh(cmd);
07db5183 753
f4f051eb 754 if (!CMD_SP(cmd))
2ea00202 755 return SUCCESS;
1da177e4 756
2ea00202 757 ret = SUCCESS;
1da177e4 758
f4f051eb 759 id = cmd->device->id;
760 lun = cmd->device->lun;
761 serial = cmd->serial_number;
17d98630
AC		 762 spt = (srb_t *) CMD_SP(cmd);
763 if (!spt)
764 return SUCCESS;
1da177e4 765
f4f051eb 766 /* Check active list for command command. */
e315cd28 767 spin_lock_irqsave(&ha->hardware_lock, flags);
17d98630
AC		 768 for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
769 sp = req->outstanding_cmds[i];
1da177e4 770
17d98630
AC		 771 if (sp == NULL)
772 continue;
cf53b069
AV		 773 if (sp->ctx)
774 continue;
17d98630
AC		 775 if (sp->cmd != cmd)
776 continue;
1da177e4 777
17d98630
AC		 778 DEBUG2(printk("%s(%ld): aborting sp %p from RISC."
779 " pid=%ld.\n", __func__, vha->host_no, sp, serial));
780
781 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2afa19a9 782 if (ha->isp_ops->abort_command(sp)) {
17d98630
AC		 783 DEBUG2(printk("%s(%ld): abort_command "
784 "mbx failed.\n", __func__, vha->host_no));
2ac4b64f 785 ret = FAILED;
17d98630
AC		 786 } else {
787 DEBUG3(printk("%s(%ld): abort_command "
788 "mbx success.\n", __func__, vha->host_no));
789 wait = 1;
73208dfd 790 }
17d98630
AC		 791 spin_lock_irqsave(&ha->hardware_lock, flags);
792 break;
f4f051eb 793 }
e315cd28 794 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1da177e4 795
f4f051eb 796 /* Wait for the command to be returned. */
2ea00202 797 if (wait) {
e315cd28 798 if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
fa2a1ce5 799 qla_printk(KERN_ERR, ha,
f4f051eb 800 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
e315cd28 801 "%x.\n", vha->host_no, id, lun, serial, ret);
2ea00202 802 ret = FAILED;
f4f051eb 803 }
1da177e4 804 }
1da177e4 805
fa2a1ce5 806 qla_printk(KERN_INFO, ha,
2ea00202 807 "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
e315cd28 808 vha->host_no, id, lun, wait, serial, ret);
1da177e4 809
f4f051eb 810 return ret;
811}
1da177e4 812
523ec773
AV		 813enum nexus_wait_type {
814 WAIT_HOST = 0,
815 WAIT_TARGET,
816 WAIT_LUN,
817};
818
f4f051eb 819static int
e315cd28 820qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
17d98630 821 unsigned int l, srb_t *sp, enum nexus_wait_type type)
f4f051eb 822{
17d98630 823 int cnt, match, status;
18e144d3 824 unsigned long flags;
e315cd28 825 struct qla_hw_data *ha = vha->hw;
73208dfd 826 struct req_que *req;
1da177e4 827
523ec773 828 status = QLA_SUCCESS;
17d98630
AC		 829 if (!sp)
830 return status;
831
e315cd28 832 spin_lock_irqsave(&ha->hardware_lock, flags);
67c2e93a 833 req = vha->req;
17d98630
AC		 834 for (cnt = 1; status == QLA_SUCCESS &&
835 cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
836 sp = req->outstanding_cmds[cnt];
837 if (!sp)
523ec773 838 continue;
cf53b069
AV		 839 if (sp->ctx)
840 continue;
17d98630
AC		 841 if (vha->vp_idx != sp->fcport->vha->vp_idx)
842 continue;
843 match = 0;
844 switch (type) {
845 case WAIT_HOST:
846 match = 1;
847 break;
848 case WAIT_TARGET:
849 match = sp->cmd->device->id == t;
850 break;
851 case WAIT_LUN:
852 match = (sp->cmd->device->id == t &&
853 sp->cmd->device->lun == l);
854 break;
73208dfd 855 }
17d98630
AC		 856 if (!match)
857 continue;
858
859 spin_unlock_irqrestore(&ha->hardware_lock, flags);
860 status = qla2x00_eh_wait_on_command(sp->cmd);
861 spin_lock_irqsave(&ha->hardware_lock, flags);
1da177e4 862 }
e315cd28 863 spin_unlock_irqrestore(&ha->hardware_lock, flags);
523ec773
AV		 864
865 return status;
1da177e4
LT		 866}
867
523ec773
AV		 868static char *reset_errors[] = {
869 "HBA not online",
870 "HBA not ready",
871 "Task management failed",
872 "Waiting for command completions",
873};
1da177e4 874
e5f82ab8 875static int
523ec773 876__qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
2afa19a9 877 struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int, int))
1da177e4 878{
e315cd28 879 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
bdf79621 880 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
523ec773 881 int err;
1da177e4 882
65d430fa 883 fc_block_scsi_eh(cmd);
07db5183 884
b0328bee 885 if (!fcport)
523ec773 886 return FAILED;
1da177e4 887
e315cd28
AC		 888 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET ISSUED.\n",
889 vha->host_no, cmd->device->id, cmd->device->lun, name);
1da177e4 890
523ec773 891 err = 0;
e315cd28 892 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
523ec773
AV		 893 goto eh_reset_failed;
894 err = 1;
e315cd28 895 if (qla2x00_wait_for_loop_ready(vha) != QLA_SUCCESS)
523ec773
AV		 896 goto eh_reset_failed;
897 err = 2;
2afa19a9
AC		 898 if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
899 != QLA_SUCCESS)
523ec773
AV		 900 goto eh_reset_failed;
901 err = 3;
e315cd28 902 if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
17d98630 903 cmd->device->lun, (srb_t *) CMD_SP(cmd), type) != QLA_SUCCESS)
523ec773
AV		 904 goto eh_reset_failed;
905
e315cd28
AC		 906 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n",
907 vha->host_no, cmd->device->id, cmd->device->lun, name);
523ec773
AV		 908
909 return SUCCESS;
910
911 eh_reset_failed:
e315cd28
AC		 912 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n"
913 , vha->host_no, cmd->device->id, cmd->device->lun, name,
523ec773
AV		 914 reset_errors[err]);
915 return FAILED;
916}
1da177e4 917
523ec773
AV		 918static int
919qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
920{
e315cd28
AC		 921 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
922 struct qla_hw_data *ha = vha->hw;
1da177e4 923
523ec773
AV		 924 return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
925 ha->isp_ops->lun_reset);
1da177e4
LT		 926}
927
1da177e4 928static int
523ec773 929qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1da177e4 930{
e315cd28
AC		 931 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
932 struct qla_hw_data *ha = vha->hw;
1da177e4 933
523ec773
AV		 934 return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
935 ha->isp_ops->target_reset);
1da177e4
LT		 936}
937
1da177e4
LT		 938/**************************************************************************
939* qla2xxx_eh_bus_reset
940*
941* Description:
942* The bus reset function will reset the bus and abort any executing
943* commands.
944*
945* Input:
946* cmd = Linux SCSI command packet of the command that cause the
947* bus reset.
948*
949* Returns:
950* SUCCESS/FAILURE (defined as macro in scsi.h).
951*
952**************************************************************************/
e5f82ab8 953static int
1da177e4
LT		 954qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
955{
e315cd28 956 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
bdf79621 957 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
2c3dfe3f 958 int ret = FAILED;
f4f051eb 959 unsigned int id, lun;
960 unsigned long serial;
17d98630 961 srb_t *sp = (srb_t *) CMD_SP(cmd);
f4f051eb 962
65d430fa 963 fc_block_scsi_eh(cmd);
07db5183 964
f4f051eb 965 id = cmd->device->id;
966 lun = cmd->device->lun;
967 serial = cmd->serial_number;
1da177e4 968
b0328bee 969 if (!fcport)
f4f051eb 970 return ret;
1da177e4 971
e315cd28 972 qla_printk(KERN_INFO, vha->hw,
749af3d5 973 "scsi(%ld:%d:%d): BUS RESET ISSUED.\n", vha->host_no, id, lun);
1da177e4 974
e315cd28 975 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1da177e4 976 DEBUG2(printk("%s failed:board disabled\n",__func__));
f4f051eb 977 goto eh_bus_reset_done;
1da177e4
LT		 978 }
979
e315cd28
AC		 980 if (qla2x00_wait_for_loop_ready(vha) == QLA_SUCCESS) {
981 if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
f4f051eb 982 ret = SUCCESS;
1da177e4 983 }
f4f051eb 984 if (ret == FAILED)
985 goto eh_bus_reset_done;
1da177e4 986
9a41a62b 987 /* Flush outstanding commands. */
17d98630 988 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) !=
523ec773 989 QLA_SUCCESS)
9a41a62b 990 ret = FAILED;
1da177e4 991
f4f051eb 992eh_bus_reset_done:
e315cd28 993 qla_printk(KERN_INFO, vha->hw, "%s: reset %s\n", __func__,
f4f051eb 994 (ret == FAILED) ? "failed" : "succeded");
1da177e4 995
f4f051eb 996 return ret;
1da177e4
LT		 997}
998
999/**************************************************************************
1000* qla2xxx_eh_host_reset
1001*
1002* Description:
1003* The reset function will reset the Adapter.
1004*
1005* Input:
1006* cmd = Linux SCSI command packet of the command that cause the
1007* adapter reset.
1008*
1009* Returns:
1010* Either SUCCESS or FAILED.
1011*
1012* Note:
1013**************************************************************************/
e5f82ab8 1014static int
1da177e4
LT		 1015qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1016{
e315cd28 1017 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
bdf79621 1018 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
e315cd28 1019 struct qla_hw_data *ha = vha->hw;
2c3dfe3f 1020 int ret = FAILED;
f4f051eb 1021 unsigned int id, lun;
1022 unsigned long serial;
17d98630 1023 srb_t *sp = (srb_t *) CMD_SP(cmd);
e315cd28 1024 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1da177e4 1025
65d430fa 1026 fc_block_scsi_eh(cmd);
07db5183 1027
f4f051eb 1028 id = cmd->device->id;
1029 lun = cmd->device->lun;
1030 serial = cmd->serial_number;
1031
b0328bee 1032 if (!fcport)
f4f051eb 1033 return ret;
1da177e4 1034
1da177e4 1035 qla_printk(KERN_INFO, ha,
e315cd28 1036 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", vha->host_no, id, lun);
1da177e4 1037
e315cd28 1038 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
f4f051eb 1039 goto eh_host_reset_lock;
1da177e4
LT		 1040
1041 /*
1042 * Fixme-may be dpc thread is active and processing
fa2a1ce5 1043 * loop_resync,so wait a while for it to
1da177e4
LT		 1044 * be completed and then issue big hammer.Otherwise
1045 * it may cause I/O failure as big hammer marks the
1046 * devices as lost kicking of the port_down_timer
1047 * while dpc is stuck for the mailbox to complete.
1048 */
e315cd28
AC		 1049 qla2x00_wait_for_loop_ready(vha);
1050 if (vha != base_vha) {
1051 if (qla2x00_vp_abort_isp(vha))
f4f051eb 1052 goto eh_host_reset_lock;
e315cd28 1053 } else {
68ca949c
AC		 1054 if (ha->wq)
1055 flush_workqueue(ha->wq);
1056
e315cd28
AC		 1057 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1058 if (qla2x00_abort_isp(base_vha)) {
1059 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1060 /* failed. schedule dpc to try */
1061 set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1062
1063 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
1064 goto eh_host_reset_lock;
1065 }
1066 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
fa2a1ce5 1067 }
1da177e4 1068
e315cd28 1069 /* Waiting for command to be returned to OS.*/
17d98630 1070 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) ==
e315cd28 1071 QLA_SUCCESS)
f4f051eb 1072 ret = SUCCESS;
1da177e4 1073
f4f051eb 1074eh_host_reset_lock:
f4f051eb 1075 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1076 (ret == FAILED) ? "failed" : "succeded");
1da177e4 1077
f4f051eb 1078 return ret;
1079}
1da177e4
LT		 1080
1081/*
1082* qla2x00_loop_reset
1083* Issue loop reset.
1084*
1085* Input:
1086* ha = adapter block pointer.
1087*
1088* Returns:
1089* 0 = success
1090*/
a4722cf2 1091int
e315cd28 1092qla2x00_loop_reset(scsi_qla_host_t *vha)
1da177e4 1093{
0c8c39af 1094 int ret;
bdf79621 1095 struct fc_port *fcport;
e315cd28 1096 struct qla_hw_data *ha = vha->hw;
1da177e4 1097
0d6e61bc 1098 if (ha->flags.enable_lip_full_login && !IS_QLA81XX(ha)) {
e315cd28 1099 ret = qla2x00_full_login_lip(vha);
0c8c39af 1100 if (ret != QLA_SUCCESS) {
749af3d5 1101 DEBUG2_3(printk("%s(%ld): failed: "
e315cd28 1102 "full_login_lip=%d.\n", __func__, vha->host_no,
0c8c39af 1103 ret));
749af3d5
AC		 1104 }
1105 atomic_set(&vha->loop_state, LOOP_DOWN);
1106 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1107 qla2x00_mark_all_devices_lost(vha, 0);
1108 qla2x00_wait_for_loop_ready(vha);
0c8c39af
AV		 1109 }
1110
0d6e61bc 1111 if (ha->flags.enable_lip_reset) {
e315cd28 1112 ret = qla2x00_lip_reset(vha);
0c8c39af 1113 if (ret != QLA_SUCCESS) {
749af3d5 1114 DEBUG2_3(printk("%s(%ld): failed: "
e315cd28
AC		 1115 "lip_reset=%d.\n", __func__, vha->host_no, ret));
1116 } else
1117 qla2x00_wait_for_loop_ready(vha);
1da177e4
LT		 1118 }
1119
0c8c39af 1120 if (ha->flags.enable_target_reset) {
e315cd28 1121 list_for_each_entry(fcport, &vha->vp_fcports, list) {
bdf79621 1122 if (fcport->port_type != FCT_TARGET)
1da177e4
LT		 1123 continue;
1124
2afa19a9 1125 ret = ha->isp_ops->target_reset(fcport, 0, 0);
0c8c39af
AV		 1126 if (ret != QLA_SUCCESS) {
1127 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1128 "target_reset=%d d_id=%x.\n", __func__,
e315cd28 1129 vha->host_no, ret, fcport->d_id.b24));
0c8c39af 1130 }
1da177e4
LT		 1131 }
1132 }
1da177e4 1133 /* Issue marker command only when we are going to start the I/O */
e315cd28 1134 vha->marker_needed = 1;
1da177e4 1135
0c8c39af 1136 return QLA_SUCCESS;
1da177e4
LT		 1137}
1138
df4bf0bb 1139void
e315cd28 1140qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
df4bf0bb 1141{
73208dfd 1142 int que, cnt;
df4bf0bb
AV		 1143 unsigned long flags;
1144 srb_t *sp;
ac280b67 1145 struct srb_ctx *ctx;
e315cd28 1146 struct qla_hw_data *ha = vha->hw;
73208dfd 1147 struct req_que *req;
df4bf0bb
AV		 1148
1149 spin_lock_irqsave(&ha->hardware_lock, flags);
2afa19a9 1150 for (que = 0; que < ha->max_req_queues; que++) {
29bdccbe 1151 req = ha->req_q_map[que];
73208dfd
AC		 1152 if (!req)
1153 continue;
1154 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1155 sp = req->outstanding_cmds[cnt];
e612d465 1156 if (sp) {
73208dfd 1157 req->outstanding_cmds[cnt] = NULL;
ac280b67
AV		 1158 if (!sp->ctx) {
1159 sp->cmd->result = res;
1160 qla2x00_sp_compl(ha, sp);
1161 } else {
1162 ctx = sp->ctx;
1163 del_timer_sync(&ctx->timer);
1164 ctx->free(sp);
1165 }
73208dfd 1166 }
df4bf0bb
AV		 1167 }
1168 }
1169 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1170}
1171
f4f051eb 1172static int
1173qla2xxx_slave_alloc(struct scsi_device *sdev)
1da177e4 1174{
bdf79621 1175 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1da177e4 1176
19a7b4ae 1177 if (!rport || fc_remote_port_chkready(rport))
f4f051eb 1178 return -ENXIO;
bdf79621 1179
19a7b4ae 1180 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1da177e4 1181
f4f051eb 1182 return 0;
1183}
1da177e4 1184
f4f051eb 1185static int
1186qla2xxx_slave_configure(struct scsi_device *sdev)
1187{
e315cd28
AC		 1188 scsi_qla_host_t *vha = shost_priv(sdev->host);
1189 struct qla_hw_data *ha = vha->hw;
8482e118 1190 struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
2afa19a9 1191 struct req_que *req = vha->req;
8482e118 1192
f4f051eb 1193 if (sdev->tagged_supported)
73208dfd 1194 scsi_activate_tcq(sdev, req->max_q_depth);
f4f051eb 1195 else
73208dfd 1196 scsi_deactivate_tcq(sdev, req->max_q_depth);
1da177e4 1197
85821c90 1198 rport->dev_loss_tmo = ha->port_down_retry_count;
8482e118 1199
f4f051eb 1200 return 0;
1201}
1da177e4 1202
f4f051eb 1203static void
1204qla2xxx_slave_destroy(struct scsi_device *sdev)
1205{
1206 sdev->hostdata = NULL;
1da177e4
LT		 1207}
1208
c45dd305
GM		 1209static void qla2x00_handle_queue_full(struct scsi_device *sdev, int qdepth)
1210{
1211 fc_port_t *fcport = (struct fc_port *) sdev->hostdata;
1212
1213 if (!scsi_track_queue_full(sdev, qdepth))
1214 return;
1215
1216 DEBUG2(qla_printk(KERN_INFO, fcport->vha->hw,
1217 "scsi(%ld:%d:%d:%d): Queue depth adjusted-down to %d.\n",
1218 fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun,
1219 sdev->queue_depth));
1220}
1221
1222static void qla2x00_adjust_sdev_qdepth_up(struct scsi_device *sdev, int qdepth)
1223{
1224 fc_port_t *fcport = sdev->hostdata;
1225 struct scsi_qla_host *vha = fcport->vha;
1226 struct qla_hw_data *ha = vha->hw;
1227 struct req_que *req = NULL;
1228
1229 req = vha->req;
1230 if (!req)
1231 return;
1232
1233 if (req->max_q_depth <= sdev->queue_depth || req->max_q_depth < qdepth)
1234 return;
1235
1236 if (sdev->ordered_tags)
1237 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, qdepth);
1238 else
1239 scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, qdepth);
1240
1241 DEBUG2(qla_printk(KERN_INFO, ha,
1242 "scsi(%ld:%d:%d:%d): Queue depth adjusted-up to %d.\n",
1243 fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun,
1244 sdev->queue_depth));
1245}
1246
ce7e4af7 1247static int
e881a172 1248qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
ce7e4af7 1249{
c45dd305
GM		 1250 switch (reason) {
1251 case SCSI_QDEPTH_DEFAULT:
1252 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1253 break;
1254 case SCSI_QDEPTH_QFULL:
1255 qla2x00_handle_queue_full(sdev, qdepth);
1256 break;
1257 case SCSI_QDEPTH_RAMP_UP:
1258 qla2x00_adjust_sdev_qdepth_up(sdev, qdepth);
1259 break;
1260 default:
1261 return EOPNOTSUPP;
1262 }
e881a172 1263
ce7e4af7
AV		 1264 return sdev->queue_depth;
1265}
1266
1267static int
1268qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1269{
1270 if (sdev->tagged_supported) {
1271 scsi_set_tag_type(sdev, tag_type);
1272 if (tag_type)
1273 scsi_activate_tcq(sdev, sdev->queue_depth);
1274 else
1275 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1276 } else
1277 tag_type = 0;
1278
1279 return tag_type;
1280}
1281
1da177e4
LT		 1282/**
1283 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1284 * @ha: HA context
1285 *
1286 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1287 * supported addressing method.
1288 */
1289static void
53303c42 1290qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1da177e4 1291{
7524f9b9 1292 /* Assume a 32bit DMA mask. */
1da177e4 1293 ha->flags.enable_64bit_addressing = 0;
1da177e4 1294
6a35528a 1295 if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
7524f9b9
AV		 1296 /* Any upper-dword bits set? */
1297 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
6a35528a 1298 !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
7524f9b9 1299 /* Ok, a 64bit DMA mask is applicable. */
1da177e4 1300 ha->flags.enable_64bit_addressing = 1;
fd34f556
AV		 1301 ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1302 ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
7524f9b9 1303 return;
1da177e4 1304 }
1da177e4 1305 }
7524f9b9 1306
284901a9
YH		 1307 dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1308 pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1da177e4
LT		 1309}
1310
fd34f556 1311static void
e315cd28 1312qla2x00_enable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1313{
1314 unsigned long flags = 0;
1315 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1316
1317 spin_lock_irqsave(&ha->hardware_lock, flags);
1318 ha->interrupts_on = 1;
1319 /* enable risc and host interrupts */
1320 WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1321 RD_REG_WORD(&reg->ictrl);
1322 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1323
1324}
1325
1326static void
e315cd28 1327qla2x00_disable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1328{
1329 unsigned long flags = 0;
1330 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1331
1332 spin_lock_irqsave(&ha->hardware_lock, flags);
1333 ha->interrupts_on = 0;
1334 /* disable risc and host interrupts */
1335 WRT_REG_WORD(&reg->ictrl, 0);
1336 RD_REG_WORD(&reg->ictrl);
1337 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1338}
1339
1340static void
e315cd28 1341qla24xx_enable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1342{
1343 unsigned long flags = 0;
1344 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1345
1346 spin_lock_irqsave(&ha->hardware_lock, flags);
1347 ha->interrupts_on = 1;
1348 WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1349 RD_REG_DWORD(&reg->ictrl);
1350 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1351}
1352
1353static void
e315cd28 1354qla24xx_disable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1355{
1356 unsigned long flags = 0;
1357 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1358
124f85e6
AV		 1359 if (IS_NOPOLLING_TYPE(ha))
1360 return;
fd34f556
AV		 1361 spin_lock_irqsave(&ha->hardware_lock, flags);
1362 ha->interrupts_on = 0;
1363 WRT_REG_DWORD(&reg->ictrl, 0);
1364 RD_REG_DWORD(&reg->ictrl);
1365 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1366}
1367
1368static struct isp_operations qla2100_isp_ops = {
1369 .pci_config = qla2100_pci_config,
1370 .reset_chip = qla2x00_reset_chip,
1371 .chip_diag = qla2x00_chip_diag,
1372 .config_rings = qla2x00_config_rings,
1373 .reset_adapter = qla2x00_reset_adapter,
1374 .nvram_config = qla2x00_nvram_config,
1375 .update_fw_options = qla2x00_update_fw_options,
1376 .load_risc = qla2x00_load_risc,
1377 .pci_info_str = qla2x00_pci_info_str,
1378 .fw_version_str = qla2x00_fw_version_str,
1379 .intr_handler = qla2100_intr_handler,
1380 .enable_intrs = qla2x00_enable_intrs,
1381 .disable_intrs = qla2x00_disable_intrs,
1382 .abort_command = qla2x00_abort_command,
523ec773
AV		 1383 .target_reset = qla2x00_abort_target,
1384 .lun_reset = qla2x00_lun_reset,
fd34f556
AV		 1385 .fabric_login = qla2x00_login_fabric,
1386 .fabric_logout = qla2x00_fabric_logout,
1387 .calc_req_entries = qla2x00_calc_iocbs_32,
1388 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1389 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1390 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1391 .read_nvram = qla2x00_read_nvram_data,
1392 .write_nvram = qla2x00_write_nvram_data,
1393 .fw_dump = qla2100_fw_dump,
1394 .beacon_on = NULL,
1395 .beacon_off = NULL,
1396 .beacon_blink = NULL,
1397 .read_optrom = qla2x00_read_optrom_data,
1398 .write_optrom = qla2x00_write_optrom_data,
1399 .get_flash_version = qla2x00_get_flash_version,
e315cd28 1400 .start_scsi = qla2x00_start_scsi,
fd34f556
AV		 1401};
1402
1403static struct isp_operations qla2300_isp_ops = {
1404 .pci_config = qla2300_pci_config,
1405 .reset_chip = qla2x00_reset_chip,
1406 .chip_diag = qla2x00_chip_diag,
1407 .config_rings = qla2x00_config_rings,
1408 .reset_adapter = qla2x00_reset_adapter,
1409 .nvram_config = qla2x00_nvram_config,
1410 .update_fw_options = qla2x00_update_fw_options,
1411 .load_risc = qla2x00_load_risc,
1412 .pci_info_str = qla2x00_pci_info_str,
1413 .fw_version_str = qla2x00_fw_version_str,
1414 .intr_handler = qla2300_intr_handler,
1415 .enable_intrs = qla2x00_enable_intrs,
1416 .disable_intrs = qla2x00_disable_intrs,
1417 .abort_command = qla2x00_abort_command,
523ec773
AV		 1418 .target_reset = qla2x00_abort_target,
1419 .lun_reset = qla2x00_lun_reset,
fd34f556
AV		 1420 .fabric_login = qla2x00_login_fabric,
1421 .fabric_logout = qla2x00_fabric_logout,
1422 .calc_req_entries = qla2x00_calc_iocbs_32,
1423 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1424 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1425 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1426 .read_nvram = qla2x00_read_nvram_data,
1427 .write_nvram = qla2x00_write_nvram_data,
1428 .fw_dump = qla2300_fw_dump,
1429 .beacon_on = qla2x00_beacon_on,
1430 .beacon_off = qla2x00_beacon_off,
1431 .beacon_blink = qla2x00_beacon_blink,
1432 .read_optrom = qla2x00_read_optrom_data,
1433 .write_optrom = qla2x00_write_optrom_data,
1434 .get_flash_version = qla2x00_get_flash_version,
e315cd28 1435 .start_scsi = qla2x00_start_scsi,
fd34f556
AV		 1436};
1437
1438static struct isp_operations qla24xx_isp_ops = {
1439 .pci_config = qla24xx_pci_config,
1440 .reset_chip = qla24xx_reset_chip,
1441 .chip_diag = qla24xx_chip_diag,
1442 .config_rings = qla24xx_config_rings,
1443 .reset_adapter = qla24xx_reset_adapter,
1444 .nvram_config = qla24xx_nvram_config,
1445 .update_fw_options = qla24xx_update_fw_options,
1446 .load_risc = qla24xx_load_risc,
1447 .pci_info_str = qla24xx_pci_info_str,
1448 .fw_version_str = qla24xx_fw_version_str,
1449 .intr_handler = qla24xx_intr_handler,
1450 .enable_intrs = qla24xx_enable_intrs,
1451 .disable_intrs = qla24xx_disable_intrs,
1452 .abort_command = qla24xx_abort_command,
523ec773
AV		 1453 .target_reset = qla24xx_abort_target,
1454 .lun_reset = qla24xx_lun_reset,
fd34f556
AV		 1455 .fabric_login = qla24xx_login_fabric,
1456 .fabric_logout = qla24xx_fabric_logout,
1457 .calc_req_entries = NULL,
1458 .build_iocbs = NULL,
1459 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1460 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1461 .read_nvram = qla24xx_read_nvram_data,
1462 .write_nvram = qla24xx_write_nvram_data,
1463 .fw_dump = qla24xx_fw_dump,
1464 .beacon_on = qla24xx_beacon_on,
1465 .beacon_off = qla24xx_beacon_off,
1466 .beacon_blink = qla24xx_beacon_blink,
1467 .read_optrom = qla24xx_read_optrom_data,
1468 .write_optrom = qla24xx_write_optrom_data,
1469 .get_flash_version = qla24xx_get_flash_version,
e315cd28 1470 .start_scsi = qla24xx_start_scsi,
fd34f556
AV		 1471};
1472
c3a2f0df
AV		 1473static struct isp_operations qla25xx_isp_ops = {
1474 .pci_config = qla25xx_pci_config,
1475 .reset_chip = qla24xx_reset_chip,
1476 .chip_diag = qla24xx_chip_diag,
1477 .config_rings = qla24xx_config_rings,
1478 .reset_adapter = qla24xx_reset_adapter,
1479 .nvram_config = qla24xx_nvram_config,
1480 .update_fw_options = qla24xx_update_fw_options,
1481 .load_risc = qla24xx_load_risc,
1482 .pci_info_str = qla24xx_pci_info_str,
1483 .fw_version_str = qla24xx_fw_version_str,
1484 .intr_handler = qla24xx_intr_handler,
1485 .enable_intrs = qla24xx_enable_intrs,
1486 .disable_intrs = qla24xx_disable_intrs,
1487 .abort_command = qla24xx_abort_command,
523ec773
AV		 1488 .target_reset = qla24xx_abort_target,
1489 .lun_reset = qla24xx_lun_reset,
c3a2f0df
AV		 1490 .fabric_login = qla24xx_login_fabric,
1491 .fabric_logout = qla24xx_fabric_logout,
1492 .calc_req_entries = NULL,
1493 .build_iocbs = NULL,
1494 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1495 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1496 .read_nvram = qla25xx_read_nvram_data,
1497 .write_nvram = qla25xx_write_nvram_data,
1498 .fw_dump = qla25xx_fw_dump,
1499 .beacon_on = qla24xx_beacon_on,
1500 .beacon_off = qla24xx_beacon_off,
1501 .beacon_blink = qla24xx_beacon_blink,
338c9161 1502 .read_optrom = qla25xx_read_optrom_data,
c3a2f0df
AV		 1503 .write_optrom = qla24xx_write_optrom_data,
1504 .get_flash_version = qla24xx_get_flash_version,
e315cd28 1505 .start_scsi = qla24xx_start_scsi,
c3a2f0df
AV		 1506};
1507
3a03eb79
AV		 1508static struct isp_operations qla81xx_isp_ops = {
1509 .pci_config = qla25xx_pci_config,
1510 .reset_chip = qla24xx_reset_chip,
1511 .chip_diag = qla24xx_chip_diag,
1512 .config_rings = qla24xx_config_rings,
1513 .reset_adapter = qla24xx_reset_adapter,
1514 .nvram_config = qla81xx_nvram_config,
1515 .update_fw_options = qla81xx_update_fw_options,
eaac30be 1516 .load_risc = qla81xx_load_risc,
3a03eb79
AV		 1517 .pci_info_str = qla24xx_pci_info_str,
1518 .fw_version_str = qla24xx_fw_version_str,
1519 .intr_handler = qla24xx_intr_handler,
1520 .enable_intrs = qla24xx_enable_intrs,
1521 .disable_intrs = qla24xx_disable_intrs,
1522 .abort_command = qla24xx_abort_command,
1523 .target_reset = qla24xx_abort_target,
1524 .lun_reset = qla24xx_lun_reset,
1525 .fabric_login = qla24xx_login_fabric,
1526 .fabric_logout = qla24xx_fabric_logout,
1527 .calc_req_entries = NULL,
1528 .build_iocbs = NULL,
1529 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1530 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
3d79038f
AV		 1531 .read_nvram = NULL,
1532 .write_nvram = NULL,
3a03eb79
AV		 1533 .fw_dump = qla81xx_fw_dump,
1534 .beacon_on = qla24xx_beacon_on,
1535 .beacon_off = qla24xx_beacon_off,
1536 .beacon_blink = qla24xx_beacon_blink,
1537 .read_optrom = qla25xx_read_optrom_data,
1538 .write_optrom = qla24xx_write_optrom_data,
1539 .get_flash_version = qla24xx_get_flash_version,
1540 .start_scsi = qla24xx_start_scsi,
3a03eb79
AV		 1541};
1542
ea5b6382 1543static inline void
e315cd28 1544qla2x00_set_isp_flags(struct qla_hw_data *ha)
ea5b6382 1545{
1546 ha->device_type = DT_EXTENDED_IDS;
1547 switch (ha->pdev->device) {
1548 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1549 ha->device_type |= DT_ISP2100;
1550 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1551 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382 1552 break;
1553 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1554 ha->device_type |= DT_ISP2200;
1555 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1556 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382 1557 break;
1558 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1559 ha->device_type |= DT_ISP2300;
4a59f71d 1560 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1561 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1562 break;
1563 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1564 ha->device_type |= DT_ISP2312;
4a59f71d 1565 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1566 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1567 break;
1568 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1569 ha->device_type |= DT_ISP2322;
4a59f71d 1570 ha->device_type |= DT_ZIO_SUPPORTED;
ea5b6382 1571 if (ha->pdev->subsystem_vendor == 0x1028 &&
1572 ha->pdev->subsystem_device == 0x0170)
1573 ha->device_type |= DT_OEM_001;
441d1072 1574 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1575 break;
1576 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1577 ha->device_type |= DT_ISP6312;
441d1072 1578 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1579 break;
1580 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1581 ha->device_type |= DT_ISP6322;
441d1072 1582 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1583 break;
1584 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1585 ha->device_type |= DT_ISP2422;
4a59f71d 1586 ha->device_type |= DT_ZIO_SUPPORTED;
e428924c 1587 ha->device_type |= DT_FWI2;
c76f2c01 1588 ha->device_type |= DT_IIDMA;
441d1072 1589 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1590 break;
1591 case PCI_DEVICE_ID_QLOGIC_ISP2432:
1592 ha->device_type |= DT_ISP2432;
4a59f71d 1593 ha->device_type |= DT_ZIO_SUPPORTED;
e428924c 1594 ha->device_type |= DT_FWI2;
c76f2c01 1595 ha->device_type |= DT_IIDMA;
441d1072 1596 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1597 break;
4d4df193
HK		 1598 case PCI_DEVICE_ID_QLOGIC_ISP8432:
1599 ha->device_type |= DT_ISP8432;
1600 ha->device_type |= DT_ZIO_SUPPORTED;
1601 ha->device_type |= DT_FWI2;
1602 ha->device_type |= DT_IIDMA;
1603 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1604 break;
044cc6c8 1605 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1606 ha->device_type |= DT_ISP5422;
e428924c 1607 ha->device_type |= DT_FWI2;
441d1072 1608 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1609 break;
044cc6c8 1610 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1611 ha->device_type |= DT_ISP5432;
e428924c 1612 ha->device_type |= DT_FWI2;
441d1072 1613 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1614 break;
c3a2f0df
AV		 1615 case PCI_DEVICE_ID_QLOGIC_ISP2532:
1616 ha->device_type |= DT_ISP2532;
1617 ha->device_type |= DT_ZIO_SUPPORTED;
1618 ha->device_type |= DT_FWI2;
1619 ha->device_type |= DT_IIDMA;
441d1072 1620 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1621 break;
3a03eb79
AV		 1622 case PCI_DEVICE_ID_QLOGIC_ISP8001:
1623 ha->device_type |= DT_ISP8001;
1624 ha->device_type |= DT_ZIO_SUPPORTED;
1625 ha->device_type |= DT_FWI2;
1626 ha->device_type |= DT_IIDMA;
1627 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1628 break;
ea5b6382 1629 }
e5b68a61
AC		 1630
1631 /* Get adapter physical port no from interrupt pin register. */
1632 pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
1633 if (ha->port_no & 1)
1634 ha->flags.port0 = 1;
1635 else
1636 ha->flags.port0 = 0;
ea5b6382 1637}
1638
1da177e4 1639static int
e315cd28 1640qla2x00_iospace_config(struct qla_hw_data *ha)
1da177e4 1641{
3776541d 1642 resource_size_t pio;
73208dfd 1643 uint16_t msix;
68ca949c 1644 int cpus;
1da177e4 1645
285d0321
AV		 1646 if (pci_request_selected_regions(ha->pdev, ha->bars,
1647 QLA2XXX_DRIVER_NAME)) {
1648 qla_printk(KERN_WARNING, ha,
1649 "Failed to reserve PIO/MMIO regions (%s)\n",
1650 pci_name(ha->pdev));
1651
1652 goto iospace_error_exit;
1653 }
1654 if (!(ha->bars & 1))
1655 goto skip_pio;
1656
1da177e4
LT		 1657 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1658 pio = pci_resource_start(ha->pdev, 0);
3776541d
AV		 1659 if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1660 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1da177e4
LT		 1661 qla_printk(KERN_WARNING, ha,
1662 "Invalid PCI I/O region size (%s)...\n",
1663 pci_name(ha->pdev));
1664 pio = 0;
1665 }
1666 } else {
1667 qla_printk(KERN_WARNING, ha,
1668 "region #0 not a PIO resource (%s)...\n",
1669 pci_name(ha->pdev));
1670 pio = 0;
1671 }
285d0321 1672 ha->pio_address = pio;
1da177e4 1673
285d0321 1674skip_pio:
1da177e4 1675 /* Use MMIO operations for all accesses. */
3776541d 1676 if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1da177e4 1677 qla_printk(KERN_ERR, ha,
3776541d 1678 "region #1 not an MMIO resource (%s), aborting\n",
1da177e4
LT		 1679 pci_name(ha->pdev));
1680 goto iospace_error_exit;
1681 }
3776541d 1682 if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1da177e4
LT		 1683 qla_printk(KERN_ERR, ha,
1684 "Invalid PCI mem region size (%s), aborting\n",
1685 pci_name(ha->pdev));
1686 goto iospace_error_exit;
1687 }
1688
3776541d 1689 ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1da177e4
LT		 1690 if (!ha->iobase) {
1691 qla_printk(KERN_ERR, ha,
1692 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1693
1694 goto iospace_error_exit;
1695 }
1696
73208dfd 1697 /* Determine queue resources */
2afa19a9 1698 ha->max_req_queues = ha->max_rsp_queues = 1;
68ca949c 1699 if ((ql2xmaxqueues <= 1 || ql2xmultique_tag < 1) &&
2afa19a9 1700 (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
17d98630
AC		 1701 goto mqiobase_exit;
1702 ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1703 pci_resource_len(ha->pdev, 3));
1704 if (ha->mqiobase) {
1705 /* Read MSIX vector size of the board */
1706 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1707 ha->msix_count = msix;
68ca949c
AC		 1708 /* Max queues are bounded by available msix vectors */
1709 /* queue 0 uses two msix vectors */
1710 if (ql2xmultique_tag) {
1711 cpus = num_online_cpus();
27dc9c5a 1712 ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ?
68ca949c
AC		 1713 (cpus + 1) : (ha->msix_count - 1);
1714 ha->max_req_queues = 2;
1715 } else if (ql2xmaxqueues > 1) {
2afa19a9
AC		 1716 ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ?
1717 QLA_MQ_SIZE : ql2xmaxqueues;
1718 DEBUG2(qla_printk(KERN_INFO, ha, "QoS mode set, max no"
1719 " of request queues:%d\n", ha->max_req_queues));
1720 }
68ca949c
AC		 1721 qla_printk(KERN_INFO, ha,
1722 "MSI-X vector count: %d\n", msix);
2afa19a9
AC		 1723 } else
1724 qla_printk(KERN_INFO, ha, "BAR 3 not enabled\n");
17d98630
AC		 1725
1726mqiobase_exit:
2afa19a9 1727 ha->msix_count = ha->max_rsp_queues + 1;
1da177e4
LT		 1728 return (0);
1729
1730iospace_error_exit:
1731 return (-ENOMEM);
1732}
1733
1e99e33a
AV		 1734static void
1735qla2xxx_scan_start(struct Scsi_Host *shost)
1736{
e315cd28 1737 scsi_qla_host_t *vha = shost_priv(shost);
1e99e33a 1738
cbc8eb67
AV		 1739 if (vha->hw->flags.running_gold_fw)
1740 return;
1741
e315cd28
AC		 1742 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1743 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1744 set_bit(RSCN_UPDATE, &vha->dpc_flags);
1745 set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
1e99e33a
AV		 1746}
1747
1748static int
1749qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1750{
e315cd28 1751 scsi_qla_host_t *vha = shost_priv(shost);
1e99e33a 1752
e315cd28 1753 if (!vha->host)
1e99e33a 1754 return 1;
e315cd28 1755 if (time > vha->hw->loop_reset_delay * HZ)
1e99e33a
AV		 1756 return 1;
1757
e315cd28 1758 return atomic_read(&vha->loop_state) == LOOP_READY;
1e99e33a
AV		 1759}
1760
1da177e4
LT		 1761/*
1762 * PCI driver interface
1763 */
7ee61397
AV		 1764static int __devinit
1765qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1da177e4 1766{
a1541d5a 1767 int ret = -ENODEV;
1da177e4 1768 struct Scsi_Host *host;
e315cd28
AC		 1769 scsi_qla_host_t *base_vha = NULL;
1770 struct qla_hw_data *ha;
29856e28 1771 char pci_info[30];
1da177e4 1772 char fw_str[30];
5433383e 1773 struct scsi_host_template *sht;
c51da4ec 1774 int bars, max_id, mem_only = 0;
e315cd28 1775 uint16_t req_length = 0, rsp_length = 0;
73208dfd
AC		 1776 struct req_que *req = NULL;
1777 struct rsp_que *rsp = NULL;
1da177e4 1778
285d0321 1779 bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
a5326f86 1780 sht = &qla2xxx_driver_template;
5433383e 1781 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
8bc69e7d 1782 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
4d4df193 1783 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
8bc69e7d 1784 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
c3a2f0df 1785 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
3a03eb79
AV		 1786 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
1787 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001) {
285d0321 1788 bars = pci_select_bars(pdev, IORESOURCE_MEM);
09483916 1789 mem_only = 1;
285d0321
AV		 1790 }
1791
09483916
BH		 1792 if (mem_only) {
1793 if (pci_enable_device_mem(pdev))
1794 goto probe_out;
1795 } else {
1796 if (pci_enable_device(pdev))
1797 goto probe_out;
1798 }
285d0321 1799
0927678f
JB		 1800 /* This may fail but that's ok */
1801 pci_enable_pcie_error_reporting(pdev);
285d0321 1802
e315cd28
AC		 1803 ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
1804 if (!ha) {
1805 DEBUG(printk("Unable to allocate memory for ha\n"));
1806 goto probe_out;
1da177e4 1807 }
e315cd28 1808 ha->pdev = pdev;
1da177e4
LT		 1809
1810 /* Clear our data area */
285d0321 1811 ha->bars = bars;
09483916 1812 ha->mem_only = mem_only;
df4bf0bb 1813 spin_lock_init(&ha->hardware_lock);
1da177e4 1814
ea5b6382 1815 /* Set ISP-type information. */
1816 qla2x00_set_isp_flags(ha);
ca79cf66
DG		 1817
1818 /* Set EEH reset type to fundamental if required by hba */
1819 if ( IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha)) {
1820 pdev->needs_freset = 1;
ca79cf66
DG		 1821 }
1822
1da177e4
LT		 1823 /* Configure PCI I/O space */
1824 ret = qla2x00_iospace_config(ha);
a1541d5a 1825 if (ret)
e315cd28 1826 goto probe_hw_failed;
1da177e4 1827
1da177e4 1828 qla_printk(KERN_INFO, ha,
5433383e
AV		 1829 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1830 ha->iobase);
1da177e4 1831
1da177e4 1832 ha->prev_topology = 0;
fca29703 1833 ha->init_cb_size = sizeof(init_cb_t);
d8b45213 1834 ha->link_data_rate = PORT_SPEED_UNKNOWN;
854165f4 1835 ha->optrom_size = OPTROM_SIZE_2300;
1da177e4 1836
abbd8870 1837 /* Assign ISP specific operations. */
e315cd28 1838 max_id = MAX_TARGETS_2200;
1da177e4 1839 if (IS_QLA2100(ha)) {
e315cd28 1840 max_id = MAX_TARGETS_2100;
1da177e4 1841 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
e315cd28
AC		 1842 req_length = REQUEST_ENTRY_CNT_2100;
1843 rsp_length = RESPONSE_ENTRY_CNT_2100;
1844 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
abbd8870 1845 ha->gid_list_info_size = 4;
3a03eb79
AV		 1846 ha->flash_conf_off = ~0;
1847 ha->flash_data_off = ~0;
1848 ha->nvram_conf_off = ~0;
1849 ha->nvram_data_off = ~0;
fd34f556 1850 ha->isp_ops = &qla2100_isp_ops;
1da177e4 1851 } else if (IS_QLA2200(ha)) {
1da177e4 1852 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1853 req_length = REQUEST_ENTRY_CNT_2200;
1854 rsp_length = RESPONSE_ENTRY_CNT_2100;
1855 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
abbd8870 1856 ha->gid_list_info_size = 4;
3a03eb79
AV		 1857 ha->flash_conf_off = ~0;
1858 ha->flash_data_off = ~0;
1859 ha->nvram_conf_off = ~0;
1860 ha->nvram_data_off = ~0;
fd34f556 1861 ha->isp_ops = &qla2100_isp_ops;
fca29703 1862 } else if (IS_QLA23XX(ha)) {
1da177e4 1863 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1864 req_length = REQUEST_ENTRY_CNT_2200;
1865 rsp_length = RESPONSE_ENTRY_CNT_2300;
1866 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
abbd8870 1867 ha->gid_list_info_size = 6;
854165f4 1868 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1869 ha->optrom_size = OPTROM_SIZE_2322;
3a03eb79
AV		 1870 ha->flash_conf_off = ~0;
1871 ha->flash_data_off = ~0;
1872 ha->nvram_conf_off = ~0;
1873 ha->nvram_data_off = ~0;
fd34f556 1874 ha->isp_ops = &qla2300_isp_ops;
4d4df193 1875 } else if (IS_QLA24XX_TYPE(ha)) {
fca29703 1876 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1877 req_length = REQUEST_ENTRY_CNT_24XX;
1878 rsp_length = RESPONSE_ENTRY_CNT_2300;
1879 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2c3dfe3f 1880 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
fca29703 1881 ha->gid_list_info_size = 8;
854165f4 1882 ha->optrom_size = OPTROM_SIZE_24XX;
73208dfd 1883 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
fd34f556 1884 ha->isp_ops = &qla24xx_isp_ops;
3a03eb79
AV		 1885 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
1886 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
1887 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
1888 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
c3a2f0df 1889 } else if (IS_QLA25XX(ha)) {
c3a2f0df 1890 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1891 req_length = REQUEST_ENTRY_CNT_24XX;
1892 rsp_length = RESPONSE_ENTRY_CNT_2300;
1893 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
c3a2f0df 1894 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
c3a2f0df
AV		 1895 ha->gid_list_info_size = 8;
1896 ha->optrom_size = OPTROM_SIZE_25XX;
73208dfd 1897 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
c3a2f0df 1898 ha->isp_ops = &qla25xx_isp_ops;
3a03eb79
AV		 1899 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
1900 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
1901 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
1902 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
1903 } else if (IS_QLA81XX(ha)) {
1904 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1905 req_length = REQUEST_ENTRY_CNT_24XX;
1906 rsp_length = RESPONSE_ENTRY_CNT_2300;
1907 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1908 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
1909 ha->gid_list_info_size = 8;
1910 ha->optrom_size = OPTROM_SIZE_81XX;
40859ae5 1911 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3a03eb79
AV		 1912 ha->isp_ops = &qla81xx_isp_ops;
1913 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
1914 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
1915 ha->nvram_conf_off = ~0;
1916 ha->nvram_data_off = ~0;
1da177e4 1917 }
1da177e4 1918
6c2f527c 1919 mutex_init(&ha->vport_lock);
0b05a1f0
MB		 1920 init_completion(&ha->mbx_cmd_comp);
1921 complete(&ha->mbx_cmd_comp);
1922 init_completion(&ha->mbx_intr_comp);
1da177e4 1923
2c3dfe3f 1924 set_bit(0, (unsigned long *) ha->vp_idx_map);
1da177e4 1925
53303c42 1926 qla2x00_config_dma_addressing(ha);
73208dfd 1927 ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
e315cd28 1928 if (!ret) {
1da177e4
LT		 1929 qla_printk(KERN_WARNING, ha,
1930 "[ERROR] Failed to allocate memory for adapter\n");
1931
e315cd28
AC		 1932 goto probe_hw_failed;
1933 }
1934
73208dfd 1935 req->max_q_depth = MAX_Q_DEPTH;
e315cd28 1936 if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
73208dfd
AC		 1937 req->max_q_depth = ql2xmaxqdepth;
1938
e315cd28
AC		 1939
1940 base_vha = qla2x00_create_host(sht, ha);
1941 if (!base_vha) {
1942 qla_printk(KERN_WARNING, ha,
1943 "[ERROR] Failed to allocate memory for scsi_host\n");
1944
a1541d5a 1945 ret = -ENOMEM;
6e9f21f3 1946 qla2x00_mem_free(ha);
2afa19a9
AC		 1947 qla2x00_free_req_que(ha, req);
1948 qla2x00_free_rsp_que(ha, rsp);
e315cd28 1949 goto probe_hw_failed;
1da177e4
LT		 1950 }
1951
e315cd28
AC		 1952 pci_set_drvdata(pdev, base_vha);
1953
e315cd28 1954 host = base_vha->host;
2afa19a9 1955 base_vha->req = req;
73208dfd
AC		 1956 host->can_queue = req->length + 128;
1957 if (IS_QLA2XXX_MIDTYPE(ha))
e315cd28 1958 base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
73208dfd 1959 else
e315cd28
AC		 1960 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
1961 base_vha->vp_idx;
e315cd28
AC		 1962 if (IS_QLA2100(ha))
1963 host->sg_tablesize = 32;
1964 host->max_id = max_id;
1965 host->this_id = 255;
1966 host->cmd_per_lun = 3;
1967 host->unique_id = host->host_no;
1968 host->max_cmd_len = MAX_CMDSZ;
1969 host->max_channel = MAX_BUSES - 1;
1970 host->max_lun = MAX_LUNS;
1971 host->transportt = qla2xxx_transport_template;
1972
73208dfd
AC		 1973 /* Set up the irqs */
1974 ret = qla2x00_request_irqs(ha, rsp);
1975 if (ret)
6e9f21f3 1976 goto probe_init_failed;
90a86fc0
JC		 1977
1978 pci_save_state(pdev);
1979
73208dfd 1980 /* Alloc arrays of request and response ring ptrs */
7163ea81 1981que_init:
73208dfd
AC		 1982 if (!qla2x00_alloc_queues(ha)) {
1983 qla_printk(KERN_WARNING, ha,
1984 "[ERROR] Failed to allocate memory for queue"
1985 " pointers\n");
6e9f21f3 1986 goto probe_init_failed;
73208dfd
AC		 1987 }
1988 ha->rsp_q_map[0] = rsp;
1989 ha->req_q_map[0] = req;
2afa19a9
AC		 1990 rsp->req = req;
1991 req->rsp = rsp;
1992 set_bit(0, ha->req_qid_map);
1993 set_bit(0, ha->rsp_qid_map);
08029990
AV		 1994 /* FWI2-capable only. */
1995 req->req_q_in = &ha->iobase->isp24.req_q_in;
1996 req->req_q_out = &ha->iobase->isp24.req_q_out;
1997 rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
1998 rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
17d98630 1999 if (ha->mqenable) {
08029990
AV		 2000 req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
2001 req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
2002 rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
2003 rsp->rsp_q_out = &ha->mqiobase->isp25mq.rsp_q_out;
17d98630
AC		 2004 }
2005
e315cd28 2006 if (qla2x00_initialize_adapter(base_vha)) {
1da177e4
LT		 2007 qla_printk(KERN_WARNING, ha,
2008 "Failed to initialize adapter\n");
2009
2010 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
2011 "Adapter flags %x.\n",
e315cd28 2012 base_vha->host_no, base_vha->device_flags));
1da177e4 2013
a1541d5a 2014 ret = -ENODEV;
1da177e4
LT		 2015 goto probe_failed;
2016 }
2017
7163ea81
AC		 2018 if (ha->mqenable) {
2019 if (qla25xx_setup_mode(base_vha)) {
68ca949c
AC		 2020 qla_printk(KERN_WARNING, ha,
2021 "Can't create queues, falling back to single"
2022 " queue mode\n");
7163ea81
AC		 2023 goto que_init;
2024 }
2025 }
68ca949c 2026
cbc8eb67
AV		 2027 if (ha->flags.running_gold_fw)
2028 goto skip_dpc;
2029
1da177e4
LT		 2030 /*
2031 * Startup the kernel thread for this host adapter
2032 */
39a11240 2033 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
e315cd28 2034 "%s_dpc", base_vha->host_str);
39a11240 2035 if (IS_ERR(ha->dpc_thread)) {
1da177e4
LT		 2036 qla_printk(KERN_WARNING, ha,
2037 "Unable to start DPC thread!\n");
39a11240 2038 ret = PTR_ERR(ha->dpc_thread);
1da177e4
LT		 2039 goto probe_failed;
2040 }
1da177e4 2041
cbc8eb67 2042skip_dpc:
e315cd28
AC		 2043 list_add_tail(&base_vha->list, &ha->vp_list);
2044 base_vha->host->irq = ha->pdev->irq;
1da177e4
LT		 2045
2046 /* Initialized the timer */
e315cd28 2047 qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
1da177e4
LT		 2048
2049 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
e315cd28 2050 base_vha->host_no, ha));
d19044c3 2051
a1541d5a
AV		 2052 ret = scsi_add_host(host, &pdev->dev);
2053 if (ret)
2054 goto probe_failed;
2055
1486400f
MR		 2056 base_vha->flags.init_done = 1;
2057 base_vha->flags.online = 1;
2058
048feec5
AV		 2059 ha->isp_ops->enable_intrs(ha);
2060
1e99e33a
AV		 2061 scsi_scan_host(host);
2062
e315cd28 2063 qla2x00_alloc_sysfs_attr(base_vha);
a1541d5a 2064
e315cd28 2065 qla2x00_init_host_attr(base_vha);
a1541d5a 2066
e315cd28 2067 qla2x00_dfs_setup(base_vha);
df613b96 2068
1da177e4
LT		 2069 qla_printk(KERN_INFO, ha, "\n"
2070 " QLogic Fibre Channel HBA Driver: %s\n"
2071 " QLogic %s - %s\n"
5433383e
AV		 2072 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
2073 qla2x00_version_str, ha->model_number,
e315cd28
AC		 2074 ha->model_desc ? ha->model_desc : "", pdev->device,
2075 ha->isp_ops->pci_info_str(base_vha, pci_info), pci_name(pdev),
2076 ha->flags.enable_64bit_addressing ? '+' : '-', base_vha->host_no,
2077 ha->isp_ops->fw_version_str(base_vha, fw_str));
1da177e4 2078
1da177e4
LT		 2079 return 0;
2080
6e9f21f3 2081probe_init_failed:
2afa19a9
AC		 2082 qla2x00_free_req_que(ha, req);
2083 qla2x00_free_rsp_que(ha, rsp);
2084 ha->max_req_queues = ha->max_rsp_queues = 0;
6e9f21f3 2085
1da177e4 2086probe_failed:
b9978769
AV		 2087 if (base_vha->timer_active)
2088 qla2x00_stop_timer(base_vha);
2089 base_vha->flags.online = 0;
2090 if (ha->dpc_thread) {
2091 struct task_struct *t = ha->dpc_thread;
2092
2093 ha->dpc_thread = NULL;
2094 kthread_stop(t);
2095 }
2096
e315cd28 2097 qla2x00_free_device(base_vha);
1da177e4 2098
e315cd28 2099 scsi_host_put(base_vha->host);
1da177e4 2100
e315cd28
AC		 2101probe_hw_failed:
2102 if (ha->iobase)
2103 iounmap(ha->iobase);
2104
2105 pci_release_selected_regions(ha->pdev, ha->bars);
2106 kfree(ha);
2107 ha = NULL;
1da177e4 2108
a1541d5a 2109probe_out:
e315cd28 2110 pci_disable_device(pdev);
a1541d5a 2111 return ret;
1da177e4 2112}
1da177e4 2113
4c993f76 2114static void
7ee61397 2115qla2x00_remove_one(struct pci_dev *pdev)
1da177e4 2116{
e315cd28
AC		 2117 scsi_qla_host_t *base_vha, *vha, *temp;
2118 struct qla_hw_data *ha;
2119
2120 base_vha = pci_get_drvdata(pdev);
2121 ha = base_vha->hw;
2122
2123 list_for_each_entry_safe(vha, temp, &ha->vp_list, list) {
2124 if (vha && vha->fc_vport)
2125 fc_vport_terminate(vha->fc_vport);
2126 }
1da177e4 2127
e315cd28 2128 set_bit(UNLOADING, &base_vha->dpc_flags);
1da177e4 2129
b9978769
AV		 2130 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
2131
e315cd28 2132 qla2x00_dfs_remove(base_vha);
c795c1e4 2133
e315cd28 2134 qla84xx_put_chip(base_vha);
c795c1e4 2135
b9978769
AV		 2136 /* Disable timer */
2137 if (base_vha->timer_active)
2138 qla2x00_stop_timer(base_vha);
2139
2140 base_vha->flags.online = 0;
2141
68ca949c
AC		 2142 /* Flush the work queue and remove it */
2143 if (ha->wq) {
2144 flush_workqueue(ha->wq);
2145 destroy_workqueue(ha->wq);
2146 ha->wq = NULL;
2147 }
2148
b9978769
AV		 2149 /* Kill the kernel thread for this host */
2150 if (ha->dpc_thread) {
2151 struct task_struct *t = ha->dpc_thread;
2152
2153 /*
2154 * qla2xxx_wake_dpc checks for ->dpc_thread
2155 * so we need to zero it out.
2156 */
2157 ha->dpc_thread = NULL;
2158 kthread_stop(t);
2159 }
2160
e315cd28 2161 qla2x00_free_sysfs_attr(base_vha);
df613b96 2162
e315cd28 2163 fc_remove_host(base_vha->host);
4d4df193 2164
e315cd28 2165 scsi_remove_host(base_vha->host);
1da177e4 2166
e315cd28 2167 qla2x00_free_device(base_vha);
bdf79621 2168
e315cd28 2169 scsi_host_put(base_vha->host);
1da177e4 2170
e315cd28
AC		 2171 if (ha->iobase)
2172 iounmap(ha->iobase);
1da177e4 2173
73208dfd
AC		 2174 if (ha->mqiobase)
2175 iounmap(ha->mqiobase);
2176
e315cd28
AC		 2177 pci_release_selected_regions(ha->pdev, ha->bars);
2178 kfree(ha);
2179 ha = NULL;
1da177e4 2180
90a86fc0
JC		 2181 pci_disable_pcie_error_reporting(pdev);
2182
665db93b 2183 pci_disable_device(pdev);
1da177e4
LT		 2184 pci_set_drvdata(pdev, NULL);
2185}
1da177e4
LT		 2186
2187static void
e315cd28 2188qla2x00_free_device(scsi_qla_host_t *vha)
1da177e4 2189{
e315cd28 2190 struct qla_hw_data *ha = vha->hw;
1da177e4 2191
85880801
AV		 2192 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
2193
2194 /* Disable timer */
2195 if (vha->timer_active)
2196 qla2x00_stop_timer(vha);
2197
2198 /* Kill the kernel thread for this host */
2199 if (ha->dpc_thread) {
2200 struct task_struct *t = ha->dpc_thread;
2201
2202 /*
2203 * qla2xxx_wake_dpc checks for ->dpc_thread
2204 * so we need to zero it out.
2205 */
2206 ha->dpc_thread = NULL;
2207 kthread_stop(t);
2208 }
2209
2afa19a9
AC		 2210 qla25xx_delete_queues(vha);
2211
df613b96 2212 if (ha->flags.fce_enabled)
e315cd28 2213 qla2x00_disable_fce_trace(vha, NULL, NULL);
df613b96 2214
a7a167bf 2215 if (ha->eft)
e315cd28 2216 qla2x00_disable_eft_trace(vha);
a7a167bf 2217
f6ef3b18 2218 /* Stop currently executing firmware. */
e315cd28 2219 qla2x00_try_to_stop_firmware(vha);
1da177e4 2220
85880801
AV		 2221 vha->flags.online = 0;
2222
f6ef3b18
AV		 2223 /* turn-off interrupts on the card */
2224 if (ha->interrupts_on)
fd34f556 2225 ha->isp_ops->disable_intrs(ha);
f6ef3b18 2226
e315cd28 2227 qla2x00_free_irqs(vha);
1da177e4 2228
e315cd28 2229 qla2x00_mem_free(ha);
73208dfd
AC		 2230
2231 qla2x00_free_queues(ha);
1da177e4
LT		 2232}
2233
d97994dc 2234static inline void
e315cd28 2235qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
d97994dc 2236 int defer)
2237{
d97994dc 2238 struct fc_rport *rport;
67becc00 2239 scsi_qla_host_t *base_vha;
d97994dc 2240
2241 if (!fcport->rport)
2242 return;
2243
2244 rport = fcport->rport;
2245 if (defer) {
67becc00 2246 base_vha = pci_get_drvdata(vha->hw->pdev);
e315cd28 2247 spin_lock_irq(vha->host->host_lock);
d97994dc 2248 fcport->drport = rport;
e315cd28 2249 spin_unlock_irq(vha->host->host_lock);
67becc00
AV		 2250 set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
2251 qla2xxx_wake_dpc(base_vha);
5f3a9a20 2252 } else
d97994dc 2253 fc_remote_port_delete(rport);
d97994dc 2254}
2255
1da177e4
LT		 2256/*
2257 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
2258 *
2259 * Input: ha = adapter block pointer. fcport = port structure pointer.
2260 *
2261 * Return: None.
2262 *
2263 * Context:
2264 */
e315cd28 2265void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
d97994dc 2266 int do_login, int defer)
1da177e4 2267{
2c3dfe3f 2268 if (atomic_read(&fcport->state) == FCS_ONLINE &&
e315cd28
AC		 2269 vha->vp_idx == fcport->vp_idx) {
2270 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2271 qla2x00_schedule_rport_del(vha, fcport, defer);
2272 }
fa2a1ce5 2273 /*
1da177e4
LT		 2274 * We may need to retry the login, so don't change the state of the
2275 * port but do the retries.
2276 */
2277 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
2278 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2279
2280 if (!do_login)
2281 return;
2282
2283 if (fcport->login_retry == 0) {
e315cd28
AC		 2284 fcport->login_retry = vha->hw->login_retry_count;
2285 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1da177e4
LT		 2286
2287 DEBUG(printk("scsi(%ld): Port login retry: "
2288 "%02x%02x%02x%02x%02x%02x%02x%02x, "
2289 "id = 0x%04x retry cnt=%d\n",
e315cd28 2290 vha->host_no,
1da177e4
LT		 2291 fcport->port_name[0],
2292 fcport->port_name[1],
2293 fcport->port_name[2],
2294 fcport->port_name[3],
2295 fcport->port_name[4],
2296 fcport->port_name[5],
2297 fcport->port_name[6],
2298 fcport->port_name[7],
2299 fcport->loop_id,
2300 fcport->login_retry));
2301 }
2302}
2303
2304/*
2305 * qla2x00_mark_all_devices_lost
2306 * Updates fcport state when device goes offline.
2307 *
2308 * Input:
2309 * ha = adapter block pointer.
2310 * fcport = port structure pointer.
2311 *
2312 * Return:
2313 * None.
2314 *
2315 * Context:
2316 */
2317void
e315cd28 2318qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
1da177e4
LT		 2319{
2320 fc_port_t *fcport;
2321
e315cd28 2322 list_for_each_entry(fcport, &vha->vp_fcports, list) {
0d6e61bc 2323 if (vha->vp_idx != 0 && vha->vp_idx != fcport->vp_idx)
1da177e4 2324 continue;
0d6e61bc 2325
1da177e4
LT		 2326 /*
2327 * No point in marking the device as lost, if the device is
2328 * already DEAD.
2329 */
2330 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
2331 continue;
e315cd28 2332 if (atomic_read(&fcport->state) == FCS_ONLINE) {
0d6e61bc
AV		 2333 if (defer)
2334 qla2x00_schedule_rport_del(vha, fcport, defer);
2335 else if (vha->vp_idx == fcport->vp_idx)
2336 qla2x00_schedule_rport_del(vha, fcport, defer);
2337 }
2338 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1da177e4
LT		 2339 }
2340}
2341
2342/*
2343* qla2x00_mem_alloc
2344* Allocates adapter memory.
2345*
2346* Returns:
2347* 0 = success.
e8711085 2348* !0 = failure.
1da177e4 2349*/
e8711085 2350static int
73208dfd
AC		 2351qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
2352 struct req_que **req, struct rsp_que **rsp)
1da177e4
LT		 2353{
2354 char name[16];
1da177e4 2355
e8711085 2356 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
e315cd28 2357 &ha->init_cb_dma, GFP_KERNEL);
e8711085 2358 if (!ha->init_cb)
e315cd28 2359 goto fail;
e8711085 2360
e315cd28
AC		 2361 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2362 &ha->gid_list_dma, GFP_KERNEL);
2363 if (!ha->gid_list)
e8711085 2364 goto fail_free_init_cb;
1da177e4 2365
e8711085
AV		 2366 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2367 if (!ha->srb_mempool)
e315cd28 2368 goto fail_free_gid_list;
e8711085
AV		 2369
2370 /* Get memory for cached NVRAM */
2371 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2372 if (!ha->nvram)
2373 goto fail_free_srb_mempool;
2374
e315cd28
AC		 2375 snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
2376 ha->pdev->device);
2377 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2378 DMA_POOL_SIZE, 8, 0);
2379 if (!ha->s_dma_pool)
2380 goto fail_free_nvram;
2381
e8711085
AV		 2382 /* Allocate memory for SNS commands */
2383 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
e315cd28 2384 /* Get consistent memory allocated for SNS commands */
e8711085 2385 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
e315cd28 2386 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
e8711085 2387 if (!ha->sns_cmd)
e315cd28 2388 goto fail_dma_pool;
e8711085 2389 } else {
e315cd28 2390 /* Get consistent memory allocated for MS IOCB */
e8711085 2391 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
e315cd28 2392 &ha->ms_iocb_dma);
e8711085 2393 if (!ha->ms_iocb)
e315cd28
AC		 2394 goto fail_dma_pool;
2395 /* Get consistent memory allocated for CT SNS commands */
e8711085 2396 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
e315cd28 2397 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
e8711085
AV		 2398 if (!ha->ct_sns)
2399 goto fail_free_ms_iocb;
1da177e4
LT		 2400 }
2401
e315cd28 2402 /* Allocate memory for request ring */
73208dfd
AC		 2403 *req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
2404 if (!*req) {
e315cd28
AC		 2405 DEBUG(printk("Unable to allocate memory for req\n"));
2406 goto fail_req;
2407 }
73208dfd
AC		 2408 (*req)->length = req_len;
2409 (*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
2410 ((*req)->length + 1) * sizeof(request_t),
2411 &(*req)->dma, GFP_KERNEL);
2412 if (!(*req)->ring) {
e315cd28
AC		 2413 DEBUG(printk("Unable to allocate memory for req_ring\n"));
2414 goto fail_req_ring;
2415 }
2416 /* Allocate memory for response ring */
73208dfd
AC		 2417 *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
2418 if (!*rsp) {
2419 qla_printk(KERN_WARNING, ha,
2420 "Unable to allocate memory for rsp\n");
e315cd28
AC		 2421 goto fail_rsp;
2422 }
73208dfd
AC		 2423 (*rsp)->hw = ha;
2424 (*rsp)->length = rsp_len;
2425 (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
2426 ((*rsp)->length + 1) * sizeof(response_t),
2427 &(*rsp)->dma, GFP_KERNEL);
2428 if (!(*rsp)->ring) {
2429 qla_printk(KERN_WARNING, ha,
2430 "Unable to allocate memory for rsp_ring\n");
e315cd28
AC		 2431 goto fail_rsp_ring;
2432 }
73208dfd
AC		 2433 (*req)->rsp = *rsp;
2434 (*rsp)->req = *req;
2435 /* Allocate memory for NVRAM data for vports */
2436 if (ha->nvram_npiv_size) {
2437 ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
2438 ha->nvram_npiv_size, GFP_KERNEL);
2439 if (!ha->npiv_info) {
2440 qla_printk(KERN_WARNING, ha,
2441 "Unable to allocate memory for npiv info\n");
2442 goto fail_npiv_info;
2443 }
2444 } else
2445 ha->npiv_info = NULL;
e8711085 2446
b64b0e8f
AV		 2447 /* Get consistent memory allocated for EX-INIT-CB. */
2448 if (IS_QLA81XX(ha)) {
2449 ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2450 &ha->ex_init_cb_dma);
2451 if (!ha->ex_init_cb)
2452 goto fail_ex_init_cb;
2453 }
2454
e315cd28
AC		 2455 INIT_LIST_HEAD(&ha->vp_list);
2456 return 1;
2457
b64b0e8f
AV		 2458fail_ex_init_cb:
2459 kfree(ha->npiv_info);
73208dfd
AC		 2460fail_npiv_info:
2461 dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
2462 sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
2463 (*rsp)->ring = NULL;
2464 (*rsp)->dma = 0;
e315cd28 2465fail_rsp_ring:
73208dfd 2466 kfree(*rsp);
e315cd28 2467fail_rsp:
73208dfd
AC		 2468 dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
2469 sizeof(request_t), (*req)->ring, (*req)->dma);
2470 (*req)->ring = NULL;
2471 (*req)->dma = 0;
e315cd28 2472fail_req_ring:
73208dfd 2473 kfree(*req);
e315cd28
AC		 2474fail_req:
2475 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2476 ha->ct_sns, ha->ct_sns_dma);
2477 ha->ct_sns = NULL;
2478 ha->ct_sns_dma = 0;
e8711085
AV		 2479fail_free_ms_iocb:
2480 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2481 ha->ms_iocb = NULL;
2482 ha->ms_iocb_dma = 0;
e315cd28
AC		 2483fail_dma_pool:
2484 dma_pool_destroy(ha->s_dma_pool);
2485 ha->s_dma_pool = NULL;
e8711085
AV		 2486fail_free_nvram:
2487 kfree(ha->nvram);
2488 ha->nvram = NULL;
2489fail_free_srb_mempool:
2490 mempool_destroy(ha->srb_mempool);
2491 ha->srb_mempool = NULL;
e8711085
AV		 2492fail_free_gid_list:
2493 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
e315cd28 2494 ha->gid_list_dma);
e8711085
AV		 2495 ha->gid_list = NULL;
2496 ha->gid_list_dma = 0;
e315cd28
AC		 2497fail_free_init_cb:
2498 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
2499 ha->init_cb_dma);
2500 ha->init_cb = NULL;
2501 ha->init_cb_dma = 0;
e8711085 2502fail:
e315cd28 2503 DEBUG(printk("%s: Memory allocation failure\n", __func__));
e8711085 2504 return -ENOMEM;
1da177e4
LT		 2505}
2506
2507/*
2508* qla2x00_mem_free
2509* Frees all adapter allocated memory.
2510*
2511* Input:
2512* ha = adapter block pointer.
2513*/
a824ebb3 2514static void
e315cd28 2515qla2x00_mem_free(struct qla_hw_data *ha)
1da177e4 2516{
e8711085
AV		 2517 if (ha->srb_mempool)
2518 mempool_destroy(ha->srb_mempool);
1da177e4 2519
df613b96
AV		 2520 if (ha->fce)
2521 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
e315cd28 2522 ha->fce_dma);
df613b96 2523
a7a167bf
AV		 2524 if (ha->fw_dump) {
2525 if (ha->eft)
2526 dma_free_coherent(&ha->pdev->dev,
e315cd28 2527 ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
a7a167bf
AV		 2528 vfree(ha->fw_dump);
2529 }
2530
11bbc1d8
AV		 2531 if (ha->dcbx_tlv)
2532 dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
2533 ha->dcbx_tlv, ha->dcbx_tlv_dma);
2534
ce0423f4
AV		 2535 if (ha->xgmac_data)
2536 dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
2537 ha->xgmac_data, ha->xgmac_data_dma);
2538
1da177e4
LT		 2539 if (ha->sns_cmd)
2540 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
e315cd28 2541 ha->sns_cmd, ha->sns_cmd_dma);
1da177e4
LT		 2542
2543 if (ha->ct_sns)
2544 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
e315cd28 2545 ha->ct_sns, ha->ct_sns_dma);
1da177e4 2546
88729e53
AV		 2547 if (ha->sfp_data)
2548 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2549
ad0ecd61
JC		 2550 if (ha->edc_data)
2551 dma_pool_free(ha->s_dma_pool, ha->edc_data, ha->edc_data_dma);
2552
1da177e4
LT		 2553 if (ha->ms_iocb)
2554 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2555
b64b0e8f
AV		 2556 if (ha->ex_init_cb)
2557 dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
2558
1da177e4
LT		 2559 if (ha->s_dma_pool)
2560 dma_pool_destroy(ha->s_dma_pool);
2561
1da177e4
LT		 2562 if (ha->gid_list)
2563 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
e315cd28 2564 ha->gid_list_dma);
1da177e4 2565
e315cd28
AC		 2566 if (ha->init_cb)
2567 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2568 ha->init_cb, ha->init_cb_dma);
2569 vfree(ha->optrom_buffer);
2570 kfree(ha->nvram);
73208dfd 2571 kfree(ha->npiv_info);
1da177e4 2572
e8711085 2573 ha->srb_mempool = NULL;
a7a167bf
AV		 2574 ha->eft = NULL;
2575 ha->eft_dma = 0;
1da177e4
LT		 2576 ha->sns_cmd = NULL;
2577 ha->sns_cmd_dma = 0;
2578 ha->ct_sns = NULL;
2579 ha->ct_sns_dma = 0;
2580 ha->ms_iocb = NULL;
2581 ha->ms_iocb_dma = 0;
1da177e4
LT		 2582 ha->init_cb = NULL;
2583 ha->init_cb_dma = 0;
b64b0e8f
AV		 2584 ha->ex_init_cb = NULL;
2585 ha->ex_init_cb_dma = 0;
1da177e4
LT		 2586
2587 ha->s_dma_pool = NULL;
2588
1da177e4
LT		 2589 ha->gid_list = NULL;
2590 ha->gid_list_dma = 0;
2591
e315cd28
AC		 2592 ha->fw_dump = NULL;
2593 ha->fw_dumped = 0;
2594 ha->fw_dump_reading = 0;
e315cd28 2595}
1da177e4 2596
e315cd28
AC		 2597struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
2598 struct qla_hw_data *ha)
2599{
2600 struct Scsi_Host *host;
2601 struct scsi_qla_host *vha = NULL;
854165f4 2602
e315cd28
AC		 2603 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
2604 if (host == NULL) {
2605 printk(KERN_WARNING
2606 "qla2xxx: Couldn't allocate host from scsi layer!\n");
2607 goto fail;
2608 }
2609
2610 /* Clear our data area */
2611 vha = shost_priv(host);
2612 memset(vha, 0, sizeof(scsi_qla_host_t));
2613
2614 vha->host = host;
2615 vha->host_no = host->host_no;
2616 vha->hw = ha;
2617
2618 INIT_LIST_HEAD(&vha->vp_fcports);
2619 INIT_LIST_HEAD(&vha->work_list);
2620 INIT_LIST_HEAD(&vha->list);
2621
f999f4c1
AV		 2622 spin_lock_init(&vha->work_lock);
2623
e315cd28
AC		 2624 sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
2625 return vha;
2626
2627fail:
2628 return vha;
1da177e4
LT		 2629}
2630
01ef66bb 2631static struct qla_work_evt *
f999f4c1 2632qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
0971de7f
AV		 2633{
2634 struct qla_work_evt *e;
2635
f999f4c1 2636 e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
0971de7f
AV		 2637 if (!e)
2638 return NULL;
2639
2640 INIT_LIST_HEAD(&e->list);
2641 e->type = type;
2642 e->flags = QLA_EVT_FLAG_FREE;
2643 return e;
2644}
2645
01ef66bb 2646static int
f999f4c1 2647qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
0971de7f 2648{
f999f4c1 2649 unsigned long flags;
0971de7f 2650
f999f4c1 2651 spin_lock_irqsave(&vha->work_lock, flags);
e315cd28 2652 list_add_tail(&e->list, &vha->work_list);
f999f4c1 2653 spin_unlock_irqrestore(&vha->work_lock, flags);
e315cd28 2654 qla2xxx_wake_dpc(vha);
f999f4c1 2655
0971de7f
AV		 2656 return QLA_SUCCESS;
2657}
2658
2659int
e315cd28 2660qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
0971de7f
AV		 2661 u32 data)
2662{
2663 struct qla_work_evt *e;
2664
f999f4c1 2665 e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
0971de7f
AV		 2666 if (!e)
2667 return QLA_FUNCTION_FAILED;
2668
2669 e->u.aen.code = code;
2670 e->u.aen.data = data;
f999f4c1 2671 return qla2x00_post_work(vha, e);
0971de7f
AV		 2672}
2673
8a659571
AV		 2674int
2675qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
2676{
2677 struct qla_work_evt *e;
2678
f999f4c1 2679 e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
8a659571
AV		 2680 if (!e)
2681 return QLA_FUNCTION_FAILED;
2682
2683 memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
f999f4c1 2684 return qla2x00_post_work(vha, e);
8a659571
AV		 2685}
2686
ac280b67
AV		 2687#define qla2x00_post_async_work(name, type) \
2688int qla2x00_post_async_##name##_work( \
2689 struct scsi_qla_host *vha, \
2690 fc_port_t *fcport, uint16_t *data) \
2691{ \
2692 struct qla_work_evt *e; \
2693 \
2694 e = qla2x00_alloc_work(vha, type); \
2695 if (!e) \
2696 return QLA_FUNCTION_FAILED; \
2697 \
2698 e->u.logio.fcport = fcport; \
2699 if (data) { \
2700 e->u.logio.data[0] = data[0]; \
2701 e->u.logio.data[1] = data[1]; \
2702 } \
2703 return qla2x00_post_work(vha, e); \
2704}
2705
2706qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
2707qla2x00_post_async_work(login_done, QLA_EVT_ASYNC_LOGIN_DONE);
2708qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
2709qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE);
2710
3420d36c
AV		 2711int
2712qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
2713{
2714 struct qla_work_evt *e;
2715
2716 e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
2717 if (!e)
2718 return QLA_FUNCTION_FAILED;
2719
2720 e->u.uevent.code = code;
2721 return qla2x00_post_work(vha, e);
2722}
2723
2724static void
2725qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
2726{
2727 char event_string[40];
2728 char *envp[] = { event_string, NULL };
2729
2730 switch (code) {
2731 case QLA_UEVENT_CODE_FW_DUMP:
2732 snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld",
2733 vha->host_no);
2734 break;
2735 default:
2736 /* do nothing */
2737 break;
2738 }
2739 kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
2740}
2741
ac280b67 2742void
e315cd28 2743qla2x00_do_work(struct scsi_qla_host *vha)
0971de7f 2744{
f999f4c1
AV		 2745 struct qla_work_evt *e, *tmp;
2746 unsigned long flags;
2747 LIST_HEAD(work);
0971de7f 2748
f999f4c1
AV		 2749 spin_lock_irqsave(&vha->work_lock, flags);
2750 list_splice_init(&vha->work_list, &work);
2751 spin_unlock_irqrestore(&vha->work_lock, flags);
2752
2753 list_for_each_entry_safe(e, tmp, &work, list) {
0971de7f 2754 list_del_init(&e->list);
0971de7f
AV		 2755
2756 switch (e->type) {
2757 case QLA_EVT_AEN:
e315cd28 2758 fc_host_post_event(vha->host, fc_get_event_number(),
0971de7f
AV		 2759 e->u.aen.code, e->u.aen.data);
2760 break;
8a659571
AV		 2761 case QLA_EVT_IDC_ACK:
2762 qla81xx_idc_ack(vha, e->u.idc_ack.mb);
2763 break;
ac280b67
AV		 2764 case QLA_EVT_ASYNC_LOGIN:
2765 qla2x00_async_login(vha, e->u.logio.fcport,
2766 e->u.logio.data);
2767 break;
2768 case QLA_EVT_ASYNC_LOGIN_DONE:
2769 qla2x00_async_login_done(vha, e->u.logio.fcport,
2770 e->u.logio.data);
2771 break;
2772 case QLA_EVT_ASYNC_LOGOUT:
2773 qla2x00_async_logout(vha, e->u.logio.fcport);
2774 break;
2775 case QLA_EVT_ASYNC_LOGOUT_DONE:
2776 qla2x00_async_logout_done(vha, e->u.logio.fcport,
2777 e->u.logio.data);
2778 break;
3420d36c
AV		 2779 case QLA_EVT_UEVENT:
2780 qla2x00_uevent_emit(vha, e->u.uevent.code);
2781 break;
0971de7f
AV		 2782 }
2783 if (e->flags & QLA_EVT_FLAG_FREE)
2784 kfree(e);
e315cd28 2785 }
e315cd28 2786}
f999f4c1 2787
e315cd28
AC		 2788/* Relogins all the fcports of a vport
2789 * Context: dpc thread
2790 */
2791void qla2x00_relogin(struct scsi_qla_host *vha)
2792{
2793 fc_port_t *fcport;
c6b2fca8 2794 int status;
e315cd28
AC		 2795 uint16_t next_loopid = 0;
2796 struct qla_hw_data *ha = vha->hw;
ac280b67 2797 uint16_t data[2];
e315cd28
AC		 2798
2799 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2800 /*
2801 * If the port is not ONLINE then try to login
2802 * to it if we haven't run out of retries.
2803 */
2804 if (atomic_read(&fcport->state) !=
2805 FCS_ONLINE && fcport->login_retry) {
2806
ac280b67 2807 fcport->login_retry--;
e315cd28 2808 if (fcport->flags & FCF_FABRIC_DEVICE) {
f08b7251 2809 if (fcport->flags & FCF_FCP2_DEVICE)
e315cd28
AC		 2810 ha->isp_ops->fabric_logout(vha,
2811 fcport->loop_id,
2812 fcport->d_id.b.domain,
2813 fcport->d_id.b.area,
2814 fcport->d_id.b.al_pa);
2815
ac280b67
AV		 2816 if (IS_ALOGIO_CAPABLE(ha)) {
2817 data[0] = 0;
2818 data[1] = QLA_LOGIO_LOGIN_RETRIED;
2819 status = qla2x00_post_async_login_work(
2820 vha, fcport, data);
2821 if (status == QLA_SUCCESS)
2822 continue;
2823 /* Attempt a retry. */
2824 status = 1;
2825 } else
2826 status = qla2x00_fabric_login(vha,
2827 fcport, &next_loopid);
e315cd28
AC		 2828 } else
2829 status = qla2x00_local_device_login(vha,
2830 fcport);
2831
e315cd28
AC		 2832 if (status == QLA_SUCCESS) {
2833 fcport->old_loop_id = fcport->loop_id;
2834
2835 DEBUG(printk("scsi(%ld): port login OK: logged "
2836 "in ID 0x%x\n", vha->host_no, fcport->loop_id));
2837
2838 qla2x00_update_fcport(vha, fcport);
2839
2840 } else if (status == 1) {
2841 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2842 /* retry the login again */
2843 DEBUG(printk("scsi(%ld): Retrying"
2844 " %d login again loop_id 0x%x\n",
2845 vha->host_no, fcport->login_retry,
2846 fcport->loop_id));
2847 } else {
2848 fcport->login_retry = 0;
2849 }
2850
2851 if (fcport->login_retry == 0 && status != QLA_SUCCESS)
2852 fcport->loop_id = FC_NO_LOOP_ID;
2853 }
2854 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2855 break;
0971de7f 2856 }
0971de7f
AV		 2857}
2858
1da177e4
LT		 2859/**************************************************************************
2860* qla2x00_do_dpc
2861* This kernel thread is a task that is schedule by the interrupt handler
2862* to perform the background processing for interrupts.
2863*
2864* Notes:
2865* This task always run in the context of a kernel thread. It
2866* is kick-off by the driver's detect code and starts up
2867* up one per adapter. It immediately goes to sleep and waits for
2868* some fibre event. When either the interrupt handler or
2869* the timer routine detects a event it will one of the task
2870* bits then wake us up.
2871**************************************************************************/
2872static int
2873qla2x00_do_dpc(void *data)
2874{
2c3dfe3f 2875 int rval;
e315cd28
AC		 2876 scsi_qla_host_t *base_vha;
2877 struct qla_hw_data *ha;
1da177e4 2878
e315cd28
AC		 2879 ha = (struct qla_hw_data *)data;
2880 base_vha = pci_get_drvdata(ha->pdev);
1da177e4 2881
1da177e4
LT		 2882 set_user_nice(current, -20);
2883
39a11240 2884 while (!kthread_should_stop()) {
1da177e4
LT		 2885 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2886
39a11240
CH		 2887 set_current_state(TASK_INTERRUPTIBLE);
2888 schedule();
2889 __set_current_state(TASK_RUNNING);
1da177e4
LT		 2890
2891 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2892
2893 /* Initialization not yet finished. Don't do anything yet. */
e315cd28 2894 if (!base_vha->flags.init_done)
1da177e4
LT		 2895 continue;
2896
85880801
AV		 2897 if (ha->flags.eeh_busy) {
2898 DEBUG17(qla_printk(KERN_WARNING, ha,
2899 "qla2x00_do_dpc: dpc_flags: %lx\n",
2900 base_vha->dpc_flags));
2901 continue;
2902 }
2903
e315cd28 2904 DEBUG3(printk("scsi(%ld): DPC handler\n", base_vha->host_no));
1da177e4
LT		 2905
2906 ha->dpc_active = 1;
2907
1da177e4 2908 if (ha->flags.mbox_busy) {
1da177e4
LT		 2909 ha->dpc_active = 0;
2910 continue;
2911 }
2912
e315cd28 2913 qla2x00_do_work(base_vha);
0971de7f 2914
e315cd28
AC		 2915 if (test_and_clear_bit(ISP_ABORT_NEEDED,
2916 &base_vha->dpc_flags)) {
1da177e4
LT		 2917
2918 DEBUG(printk("scsi(%ld): dpc: sched "
2919 "qla2x00_abort_isp ha = %p\n",
e315cd28 2920 base_vha->host_no, ha));
1da177e4 2921 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
e315cd28 2922 &base_vha->dpc_flags))) {
1da177e4 2923
e315cd28 2924 if (qla2x00_abort_isp(base_vha)) {
1da177e4
LT		 2925 /* failed. retry later */
2926 set_bit(ISP_ABORT_NEEDED,
e315cd28 2927 &base_vha->dpc_flags);
99363ef8 2928 }
e315cd28
AC		 2929 clear_bit(ABORT_ISP_ACTIVE,
2930 &base_vha->dpc_flags);
99363ef8
SJ		 2931 }
2932
1da177e4 2933 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
e315cd28 2934 base_vha->host_no));
1da177e4
LT		 2935 }
2936
e315cd28
AC		 2937 if (test_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags)) {
2938 qla2x00_update_fcports(base_vha);
2939 clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
c9c5ced9 2940 }
d97994dc 2941
e315cd28
AC		 2942 if (test_and_clear_bit(RESET_MARKER_NEEDED,
2943 &base_vha->dpc_flags) &&
2944 (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
1da177e4
LT		 2945
2946 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
e315cd28 2947 base_vha->host_no));
1da177e4 2948
e315cd28
AC		 2949 qla2x00_rst_aen(base_vha);
2950 clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
1da177e4
LT		 2951 }
2952
2953 /* Retry each device up to login retry count */
e315cd28
AC		 2954 if ((test_and_clear_bit(RELOGIN_NEEDED,
2955 &base_vha->dpc_flags)) &&
2956 !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
2957 atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
1da177e4
LT		 2958
2959 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
e315cd28
AC		 2960 base_vha->host_no));
2961 qla2x00_relogin(base_vha);
2962
1da177e4 2963 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
e315cd28 2964 base_vha->host_no));
1da177e4
LT		 2965 }
2966
e315cd28
AC		 2967 if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
2968 &base_vha->dpc_flags)) {
1da177e4
LT		 2969
2970 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
e315cd28 2971 base_vha->host_no));
1da177e4
LT		 2972
2973 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
e315cd28 2974 &base_vha->dpc_flags))) {
1da177e4 2975
e315cd28 2976 rval = qla2x00_loop_resync(base_vha);
1da177e4 2977
e315cd28
AC		 2978 clear_bit(LOOP_RESYNC_ACTIVE,
2979 &base_vha->dpc_flags);
1da177e4
LT		 2980 }
2981
2982 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
e315cd28 2983 base_vha->host_no));
1da177e4
LT		 2984 }
2985
e315cd28
AC		 2986 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
2987 atomic_read(&base_vha->loop_state) == LOOP_READY) {
2988 clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
2989 qla2xxx_flash_npiv_conf(base_vha);
272976ca
AV		 2990 }
2991
1da177e4 2992 if (!ha->interrupts_on)
fd34f556 2993 ha->isp_ops->enable_intrs(ha);
1da177e4 2994
e315cd28
AC		 2995 if (test_and_clear_bit(BEACON_BLINK_NEEDED,
2996 &base_vha->dpc_flags))
2997 ha->isp_ops->beacon_blink(base_vha);
f6df144c 2998
e315cd28 2999 qla2x00_do_dpc_all_vps(base_vha);
2c3dfe3f 3000
1da177e4
LT		 3001 ha->dpc_active = 0;
3002 } /* End of while(1) */
3003
e315cd28 3004 DEBUG(printk("scsi(%ld): DPC handler exiting\n", base_vha->host_no));
1da177e4
LT		 3005
3006 /*
3007 * Make sure that nobody tries to wake us up again.
3008 */
1da177e4
LT		 3009 ha->dpc_active = 0;
3010
ac280b67
AV		 3011 /* Cleanup any residual CTX SRBs. */
3012 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
3013
39a11240
CH		 3014 return 0;
3015}
3016
3017void
e315cd28 3018qla2xxx_wake_dpc(struct scsi_qla_host *vha)
39a11240 3019{
e315cd28 3020 struct qla_hw_data *ha = vha->hw;
c795c1e4
AV		 3021 struct task_struct *t = ha->dpc_thread;
3022
e315cd28 3023 if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
c795c1e4 3024 wake_up_process(t);
1da177e4
LT		 3025}
3026
1da177e4
LT		 3027/*
3028* qla2x00_rst_aen
3029* Processes asynchronous reset.
3030*
3031* Input:
3032* ha = adapter block pointer.
3033*/
3034static void
e315cd28 3035qla2x00_rst_aen(scsi_qla_host_t *vha)
1da177e4 3036{
e315cd28
AC		 3037 if (vha->flags.online && !vha->flags.reset_active &&
3038 !atomic_read(&vha->loop_down_timer) &&
3039 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
1da177e4 3040 do {
e315cd28 3041 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
1da177e4
LT		 3042
3043 /*
3044 * Issue marker command only when we are going to start
3045 * the I/O.
3046 */
e315cd28
AC		 3047 vha->marker_needed = 1;
3048 } while (!atomic_read(&vha->loop_down_timer) &&
3049 (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
1da177e4
LT		 3050 }
3051}
3052
f4f051eb 3053static void
e315cd28 3054qla2x00_sp_free_dma(srb_t *sp)
f4f051eb 3055{
3056 struct scsi_cmnd *cmd = sp->cmd;
3057
3058 if (sp->flags & SRB_DMA_VALID) {
385d70b4 3059 scsi_dma_unmap(cmd);
f4f051eb 3060 sp->flags &= ~SRB_DMA_VALID;
3061 }
fca29703 3062 CMD_SP(cmd) = NULL;
f4f051eb 3063}
3064
3065void
73208dfd 3066qla2x00_sp_compl(struct qla_hw_data *ha, srb_t *sp)
f4f051eb 3067{
3068 struct scsi_cmnd *cmd = sp->cmd;
3069
e315cd28 3070 qla2x00_sp_free_dma(sp);
f4f051eb 3071
f4f051eb 3072 mempool_free(sp, ha->srb_mempool);
3073
3074 cmd->scsi_done(cmd);
3075}
bdf79621 3076
1da177e4
LT		 3077/**************************************************************************
3078* qla2x00_timer
3079*
3080* Description:
3081* One second timer
3082*
3083* Context: Interrupt
3084***************************************************************************/
2c3dfe3f 3085void
e315cd28 3086qla2x00_timer(scsi_qla_host_t *vha)
1da177e4 3087{
1da177e4
LT		 3088 unsigned long cpu_flags = 0;
3089 fc_port_t *fcport;
1da177e4
LT		 3090 int start_dpc = 0;
3091 int index;
3092 srb_t *sp;
f4f051eb 3093 int t;
85880801 3094 uint16_t w;
e315cd28 3095 struct qla_hw_data *ha = vha->hw;
73208dfd 3096 struct req_que *req;
85880801
AV		 3097
3098 /* Hardware read to raise pending EEH errors during mailbox waits. */
3099 if (!pci_channel_offline(ha->pdev))
3100 pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
1da177e4
LT		 3101 /*
3102 * Ports - Port down timer.
3103 *
3104 * Whenever, a port is in the LOST state we start decrementing its port
3105 * down timer every second until it reaches zero. Once it reaches zero
fa2a1ce5 3106 * the port it marked DEAD.
1da177e4
LT		 3107 */
3108 t = 0;
e315cd28 3109 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1da177e4
LT		 3110 if (fcport->port_type != FCT_TARGET)
3111 continue;
3112
3113 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
3114
3115 if (atomic_read(&fcport->port_down_timer) == 0)
3116 continue;
3117
fa2a1ce5 3118 if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
1da177e4 3119 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
fa2a1ce5 3120
1da177e4 3121 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
fca29703 3122 "%d remaining\n",
e315cd28 3123 vha->host_no,
1da177e4
LT		 3124 t, atomic_read(&fcport->port_down_timer)));
3125 }
3126 t++;
3127 } /* End of for fcport */
3128
1da177e4
LT		 3129
3130 /* Loop down handler. */
e315cd28
AC		 3131 if (atomic_read(&vha->loop_down_timer) > 0 &&
3132 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
3133 && vha->flags.online) {
1da177e4 3134
e315cd28
AC		 3135 if (atomic_read(&vha->loop_down_timer) ==
3136 vha->loop_down_abort_time) {
1da177e4
LT		 3137
3138 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
3139 "queues before time expire\n",
e315cd28 3140 vha->host_no));
1da177e4 3141
e315cd28
AC		 3142 if (!IS_QLA2100(ha) && vha->link_down_timeout)
3143 atomic_set(&vha->loop_state, LOOP_DEAD);
1da177e4 3144
f08b7251
AV		 3145 /*
3146 * Schedule an ISP abort to return any FCP2-device
3147 * commands.
3148 */
2c3dfe3f 3149 /* NPIV - scan physical port only */
e315cd28 3150 if (!vha->vp_idx) {
2c3dfe3f
SJ		 3151 spin_lock_irqsave(&ha->hardware_lock,
3152 cpu_flags);
73208dfd 3153 req = ha->req_q_map[0];
2c3dfe3f
SJ		 3154 for (index = 1;
3155 index < MAX_OUTSTANDING_COMMANDS;
3156 index++) {
3157 fc_port_t *sfcp;
3158
e315cd28 3159 sp = req->outstanding_cmds[index];
2c3dfe3f
SJ		 3160 if (!sp)
3161 continue;
cf53b069
AV		 3162 if (sp->ctx)
3163 continue;
2c3dfe3f 3164 sfcp = sp->fcport;
f08b7251 3165 if (!(sfcp->flags & FCF_FCP2_DEVICE))
2c3dfe3f 3166 continue;
bdf79621 3167
2c3dfe3f 3168 set_bit(ISP_ABORT_NEEDED,
e315cd28 3169 &vha->dpc_flags);
2c3dfe3f
SJ		 3170 break;
3171 }
3172 spin_unlock_irqrestore(&ha->hardware_lock,
e315cd28 3173 cpu_flags);
1da177e4 3174 }
1da177e4
LT		 3175 start_dpc++;
3176 }
3177
3178 /* if the loop has been down for 4 minutes, reinit adapter */
e315cd28 3179 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
0d6e61bc 3180 if (!(vha->device_flags & DFLG_NO_CABLE)) {
1da177e4
LT		 3181 DEBUG(printk("scsi(%ld): Loop down - "
3182 "aborting ISP.\n",
e315cd28 3183 vha->host_no));
1da177e4
LT		 3184 qla_printk(KERN_WARNING, ha,
3185 "Loop down - aborting ISP.\n");
3186
e315cd28 3187 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 3188 }
3189 }
fca29703 3190 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
e315cd28
AC		 3191 vha->host_no,
3192 atomic_read(&vha->loop_down_timer)));
1da177e4
LT		 3193 }
3194
f6df144c 3195 /* Check if beacon LED needs to be blinked */
3196 if (ha->beacon_blink_led == 1) {
e315cd28 3197 set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
f6df144c 3198 start_dpc++;
3199 }
3200
550bf57d 3201 /* Process any deferred work. */
e315cd28 3202 if (!list_empty(&vha->work_list))
550bf57d
AV		 3203 start_dpc++;
3204
1da177e4 3205 /* Schedule the DPC routine if needed */
e315cd28
AC		 3206 if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
3207 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
3208 test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
1da177e4 3209 start_dpc ||
e315cd28
AC		 3210 test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
3211 test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
3212 test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
3213 test_bit(RELOGIN_NEEDED, &vha->dpc_flags)))
3214 qla2xxx_wake_dpc(vha);
1da177e4 3215
e315cd28 3216 qla2x00_restart_timer(vha, WATCH_INTERVAL);
1da177e4
LT		 3217}
3218
5433383e
AV		 3219/* Firmware interface routines. */
3220
3a03eb79 3221#define FW_BLOBS 7
5433383e
AV		 3222#define FW_ISP21XX 0
3223#define FW_ISP22XX 1
3224#define FW_ISP2300 2
3225#define FW_ISP2322 3
48c02fde 3226#define FW_ISP24XX 4
c3a2f0df 3227#define FW_ISP25XX 5
3a03eb79 3228#define FW_ISP81XX 6
5433383e 3229
bb8ee499
AV		 3230#define FW_FILE_ISP21XX "ql2100_fw.bin"
3231#define FW_FILE_ISP22XX "ql2200_fw.bin"
3232#define FW_FILE_ISP2300 "ql2300_fw.bin"
3233#define FW_FILE_ISP2322 "ql2322_fw.bin"
3234#define FW_FILE_ISP24XX "ql2400_fw.bin"
c3a2f0df 3235#define FW_FILE_ISP25XX "ql2500_fw.bin"
3a03eb79 3236#define FW_FILE_ISP81XX "ql8100_fw.bin"
bb8ee499 3237
e1e82b6f 3238static DEFINE_MUTEX(qla_fw_lock);
5433383e
AV		 3239
3240static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
bb8ee499
AV		 3241 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
3242 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
3243 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
3244 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
3245 { .name = FW_FILE_ISP24XX, },
c3a2f0df 3246 { .name = FW_FILE_ISP25XX, },
3a03eb79 3247 { .name = FW_FILE_ISP81XX, },
5433383e
AV		 3248};
3249
3250struct fw_blob *
e315cd28 3251qla2x00_request_firmware(scsi_qla_host_t *vha)
5433383e 3252{
e315cd28 3253 struct qla_hw_data *ha = vha->hw;
5433383e
AV		 3254 struct fw_blob *blob;
3255
3256 blob = NULL;
3257 if (IS_QLA2100(ha)) {
3258 blob = &qla_fw_blobs[FW_ISP21XX];
3259 } else if (IS_QLA2200(ha)) {
3260 blob = &qla_fw_blobs[FW_ISP22XX];
48c02fde 3261 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
5433383e 3262 blob = &qla_fw_blobs[FW_ISP2300];
48c02fde 3263 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
5433383e 3264 blob = &qla_fw_blobs[FW_ISP2322];
4d4df193 3265 } else if (IS_QLA24XX_TYPE(ha)) {
5433383e 3266 blob = &qla_fw_blobs[FW_ISP24XX];
c3a2f0df
AV		 3267 } else if (IS_QLA25XX(ha)) {
3268 blob = &qla_fw_blobs[FW_ISP25XX];
3a03eb79
AV		 3269 } else if (IS_QLA81XX(ha)) {
3270 blob = &qla_fw_blobs[FW_ISP81XX];
5433383e
AV		 3271 }
3272
e1e82b6f 3273 mutex_lock(&qla_fw_lock);
5433383e
AV		 3274 if (blob->fw)
3275 goto out;
3276
3277 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
3278 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
e315cd28 3279 "(%s).\n", vha->host_no, blob->name));
5433383e
AV		 3280 blob->fw = NULL;
3281 blob = NULL;
3282 goto out;
3283 }
3284
3285out:
e1e82b6f 3286 mutex_unlock(&qla_fw_lock);
5433383e
AV		 3287 return blob;
3288}
3289
3290static void
3291qla2x00_release_firmware(void)
3292{
3293 int idx;
3294
e1e82b6f 3295 mutex_lock(&qla_fw_lock);
5433383e
AV		 3296 for (idx = 0; idx < FW_BLOBS; idx++)
3297 if (qla_fw_blobs[idx].fw)
3298 release_firmware(qla_fw_blobs[idx].fw);
e1e82b6f 3299 mutex_unlock(&qla_fw_lock);
5433383e
AV		 3300}
3301
14e660e6
SJ		 3302static pci_ers_result_t
3303qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
3304{
85880801
AV		 3305 scsi_qla_host_t *vha = pci_get_drvdata(pdev);
3306 struct qla_hw_data *ha = vha->hw;
3307
3308 DEBUG2(qla_printk(KERN_WARNING, ha, "error_detected:state %x\n",
3309 state));
b9b12f73 3310
14e660e6
SJ		 3311 switch (state) {
3312 case pci_channel_io_normal:
85880801 3313 ha->flags.eeh_busy = 0;
14e660e6
SJ		 3314 return PCI_ERS_RESULT_CAN_RECOVER;
3315 case pci_channel_io_frozen:
85880801 3316 ha->flags.eeh_busy = 1;
90a86fc0 3317 qla2x00_free_irqs(vha);
14e660e6
SJ		 3318 pci_disable_device(pdev);
3319 return PCI_ERS_RESULT_NEED_RESET;
3320 case pci_channel_io_perm_failure:
85880801
AV		 3321 ha->flags.pci_channel_io_perm_failure = 1;
3322 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
14e660e6
SJ		 3323 return PCI_ERS_RESULT_DISCONNECT;
3324 }
3325 return PCI_ERS_RESULT_NEED_RESET;
3326}
3327
3328static pci_ers_result_t
3329qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
3330{
3331 int risc_paused = 0;
3332 uint32_t stat;
3333 unsigned long flags;
e315cd28
AC		 3334 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3335 struct qla_hw_data *ha = base_vha->hw;
14e660e6
SJ		 3336 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3337 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
3338
3339 spin_lock_irqsave(&ha->hardware_lock, flags);
3340 if (IS_QLA2100(ha) || IS_QLA2200(ha)){
3341 stat = RD_REG_DWORD(&reg->hccr);
3342 if (stat & HCCR_RISC_PAUSE)
3343 risc_paused = 1;
3344 } else if (IS_QLA23XX(ha)) {
3345 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
3346 if (stat & HSR_RISC_PAUSED)
3347 risc_paused = 1;
3348 } else if (IS_FWI2_CAPABLE(ha)) {
3349 stat = RD_REG_DWORD(&reg24->host_status);
3350 if (stat & HSRX_RISC_PAUSED)
3351 risc_paused = 1;
3352 }
3353 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3354
3355 if (risc_paused) {
3356 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
3357 "Dumping firmware!\n");
e315cd28 3358 ha->isp_ops->fw_dump(base_vha, 0);
14e660e6
SJ		 3359
3360 return PCI_ERS_RESULT_NEED_RESET;
3361 } else
3362 return PCI_ERS_RESULT_RECOVERED;
3363}
3364
3365static pci_ers_result_t
3366qla2xxx_pci_slot_reset(struct pci_dev *pdev)
3367{
3368 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
e315cd28
AC		 3369 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3370 struct qla_hw_data *ha = base_vha->hw;
90a86fc0
JC		 3371 struct rsp_que *rsp;
3372 int rc, retries = 10;
09483916 3373
85880801
AV		 3374 DEBUG17(qla_printk(KERN_WARNING, ha, "slot_reset\n"));
3375
90a86fc0
JC		 3376 /* Workaround: qla2xxx driver which access hardware earlier
3377 * needs error state to be pci_channel_io_online.
3378 * Otherwise mailbox command timesout.
3379 */
3380 pdev->error_state = pci_channel_io_normal;
3381
3382 pci_restore_state(pdev);
3383
09483916
BH		 3384 if (ha->mem_only)
3385 rc = pci_enable_device_mem(pdev);
3386 else
3387 rc = pci_enable_device(pdev);
14e660e6 3388
09483916 3389 if (rc) {
14e660e6
SJ		 3390 qla_printk(KERN_WARNING, ha,
3391 "Can't re-enable PCI device after reset.\n");
14e660e6
SJ		 3392 return ret;
3393 }
14e660e6 3394
90a86fc0
JC		 3395 rsp = ha->rsp_q_map[0];
3396 if (qla2x00_request_irqs(ha, rsp))
3397 return ret;
3398
e315cd28 3399 if (ha->isp_ops->pci_config(base_vha))
14e660e6
SJ		 3400 return ret;
3401
90a86fc0
JC		 3402 while (ha->flags.mbox_busy && retries--)
3403 msleep(1000);
85880801 3404
e315cd28
AC		 3405 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3406 if (qla2x00_abort_isp(base_vha) == QLA_SUCCESS)
14e660e6 3407 ret = PCI_ERS_RESULT_RECOVERED;
e315cd28 3408 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
14e660e6 3409
90a86fc0
JC		 3410 pci_cleanup_aer_uncorrect_error_status(pdev);
3411
85880801
AV		 3412 DEBUG17(qla_printk(KERN_WARNING, ha,
3413 "slot_reset-return:ret=%x\n", ret));
3414
14e660e6
SJ		 3415 return ret;
3416}
3417
3418static void
3419qla2xxx_pci_resume(struct pci_dev *pdev)
3420{
e315cd28
AC		 3421 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3422 struct qla_hw_data *ha = base_vha->hw;
14e660e6
SJ		 3423 int ret;
3424
85880801
AV		 3425 DEBUG17(qla_printk(KERN_WARNING, ha, "pci_resume\n"));
3426
e315cd28 3427 ret = qla2x00_wait_for_hba_online(base_vha);
14e660e6
SJ		 3428 if (ret != QLA_SUCCESS) {
3429 qla_printk(KERN_ERR, ha,
3430 "the device failed to resume I/O "
3431 "from slot/link_reset");
3432 }
85880801
AV		 3433
3434 ha->flags.eeh_busy = 0;
14e660e6
SJ		 3435}
3436
3437static struct pci_error_handlers qla2xxx_err_handler = {
3438 .error_detected = qla2xxx_pci_error_detected,
3439 .mmio_enabled = qla2xxx_pci_mmio_enabled,
3440 .slot_reset = qla2xxx_pci_slot_reset,
3441 .resume = qla2xxx_pci_resume,
3442};
3443
5433383e 3444static struct pci_device_id qla2xxx_pci_tbl[] = {
47f5e069
AV		 3445 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
3446 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
3447 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
3448 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
3449 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
3450 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
3451 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
3452 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
3453 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
4d4df193 3454 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
47f5e069
AV		 3455 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
3456 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
c3a2f0df 3457 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
3a03eb79 3458 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
5433383e
AV		 3459 { 0 },
3460};
3461MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
3462
fca29703 3463static struct pci_driver qla2xxx_pci_driver = {
cb63067a 3464 .name = QLA2XXX_DRIVER_NAME,
0a21ef1e
JB		 3465 .driver = {
3466 .owner = THIS_MODULE,
3467 },
fca29703 3468 .id_table = qla2xxx_pci_tbl,
7ee61397 3469 .probe = qla2x00_probe_one,
4c993f76 3470 .remove = qla2x00_remove_one,
14e660e6 3471 .err_handler = &qla2xxx_err_handler,
fca29703
AV		 3472};
3473
1da177e4
LT		 3474/**
3475 * qla2x00_module_init - Module initialization.
3476 **/
3477static int __init
3478qla2x00_module_init(void)
3479{
fca29703
AV		 3480 int ret = 0;
3481
1da177e4 3482 /* Allocate cache for SRBs. */
354d6b21 3483 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
20c2df83 3484 SLAB_HWCACHE_ALIGN, NULL);
1da177e4
LT		 3485 if (srb_cachep == NULL) {
3486 printk(KERN_ERR
3487 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
3488 return -ENOMEM;
3489 }
3490
3491 /* Derive version string. */
3492 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
11010fec 3493 if (ql2xextended_error_logging)
0181944f
AV		 3494 strcat(qla2x00_version_str, "-debug");
3495
1c97a12a
AV		 3496 qla2xxx_transport_template =
3497 fc_attach_transport(&qla2xxx_transport_functions);
2c3dfe3f
SJ		 3498 if (!qla2xxx_transport_template) {
3499 kmem_cache_destroy(srb_cachep);
1da177e4 3500 return -ENODEV;
2c3dfe3f
SJ		 3501 }
3502 qla2xxx_transport_vport_template =
3503 fc_attach_transport(&qla2xxx_transport_vport_functions);
3504 if (!qla2xxx_transport_vport_template) {
3505 kmem_cache_destroy(srb_cachep);
3506 fc_release_transport(qla2xxx_transport_template);
1da177e4 3507 return -ENODEV;
2c3dfe3f 3508 }
1da177e4 3509
fd9a29f0
AV		 3510 printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n",
3511 qla2x00_version_str);
7ee61397 3512 ret = pci_register_driver(&qla2xxx_pci_driver);
fca29703
AV		 3513 if (ret) {
3514 kmem_cache_destroy(srb_cachep);
3515 fc_release_transport(qla2xxx_transport_template);
2c3dfe3f 3516 fc_release_transport(qla2xxx_transport_vport_template);
fca29703
AV		 3517 }
3518 return ret;
1da177e4
LT		 3519}
3520
3521/**
3522 * qla2x00_module_exit - Module cleanup.
3523 **/
3524static void __exit
3525qla2x00_module_exit(void)
3526{
7ee61397 3527 pci_unregister_driver(&qla2xxx_pci_driver);
5433383e 3528 qla2x00_release_firmware();
354d6b21 3529 kmem_cache_destroy(srb_cachep);
1da177e4 3530 fc_release_transport(qla2xxx_transport_template);
2c3dfe3f 3531 fc_release_transport(qla2xxx_transport_vport_template);
1da177e4
LT		 3532}
3533
3534module_init(qla2x00_module_init);
3535module_exit(qla2x00_module_exit);
3536
3537MODULE_AUTHOR("QLogic Corporation");
3538MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
3539MODULE_LICENSE("GPL");
3540MODULE_VERSION(QLA2XXX_VERSION);
bb8ee499
AV		 3541MODULE_FIRMWARE(FW_FILE_ISP21XX);
3542MODULE_FIRMWARE(FW_FILE_ISP22XX);
3543MODULE_FIRMWARE(FW_FILE_ISP2300);
3544MODULE_FIRMWARE(FW_FILE_ISP2322);
3545MODULE_FIRMWARE(FW_FILE_ISP24XX);
61623fc3 3546MODULE_FIRMWARE(FW_FILE_ISP25XX);
3a03eb79 3547MODULE_FIRMWARE(FW_FILE_ISP81XX);
Linux 6.x block layer and io_uring tree(s)