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[SCSI] qla2xxx: Correct loop-resync issues during SNS scans.
[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
685/**************************************************************************
686* qla2xxx_eh_abort
687*
688* Description:
689* The abort function will abort the specified command.
690*
691* Input:
692* cmd = Linux SCSI command packet to be aborted.
693*
694* Returns:
695* Either SUCCESS or FAILED.
696*
697* Note:
2ea00202 698* Only return FAILED if command not returned by firmware.
1da177e4 699**************************************************************************/
e5f82ab8 700static int
1da177e4
LT		 701qla2xxx_eh_abort(struct scsi_cmnd *cmd)
702{
e315cd28 703 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
f4f051eb 704 srb_t *sp;
17d98630 705 int ret, i;
f4f051eb 706 unsigned int id, lun;
707 unsigned long serial;
18e144d3 708 unsigned long flags;
2ea00202 709 int wait = 0;
e315cd28 710 struct qla_hw_data *ha = vha->hw;
67c2e93a 711 struct req_que *req = vha->req;
17d98630 712 srb_t *spt;
1da177e4 713
65d430fa 714 fc_block_scsi_eh(cmd);
07db5183 715
f4f051eb 716 if (!CMD_SP(cmd))
2ea00202 717 return SUCCESS;
1da177e4 718
2ea00202 719 ret = SUCCESS;
1da177e4 720
f4f051eb 721 id = cmd->device->id;
722 lun = cmd->device->lun;
723 serial = cmd->serial_number;
17d98630
AC		 724 spt = (srb_t *) CMD_SP(cmd);
725 if (!spt)
726 return SUCCESS;
1da177e4 727
f4f051eb 728 /* Check active list for command command. */
e315cd28 729 spin_lock_irqsave(&ha->hardware_lock, flags);
17d98630
AC		 730 for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
731 sp = req->outstanding_cmds[i];
1da177e4 732
17d98630
AC		 733 if (sp == NULL)
734 continue;
cf53b069
AV		 735 if (sp->ctx)
736 continue;
17d98630
AC		 737 if (sp->cmd != cmd)
738 continue;
1da177e4 739
17d98630
AC		 740 DEBUG2(printk("%s(%ld): aborting sp %p from RISC."
741 " pid=%ld.\n", __func__, vha->host_no, sp, serial));
742
743 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2afa19a9 744 if (ha->isp_ops->abort_command(sp)) {
17d98630
AC		 745 DEBUG2(printk("%s(%ld): abort_command "
746 "mbx failed.\n", __func__, vha->host_no));
2ac4b64f 747 ret = FAILED;
17d98630
AC		 748 } else {
749 DEBUG3(printk("%s(%ld): abort_command "
750 "mbx success.\n", __func__, vha->host_no));
751 wait = 1;
73208dfd 752 }
17d98630
AC		 753 spin_lock_irqsave(&ha->hardware_lock, flags);
754 break;
f4f051eb 755 }
e315cd28 756 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1da177e4 757
f4f051eb 758 /* Wait for the command to be returned. */
2ea00202 759 if (wait) {
e315cd28 760 if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
fa2a1ce5 761 qla_printk(KERN_ERR, ha,
f4f051eb 762 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
e315cd28 763 "%x.\n", vha->host_no, id, lun, serial, ret);
2ea00202 764 ret = FAILED;
f4f051eb 765 }
1da177e4 766 }
1da177e4 767
fa2a1ce5 768 qla_printk(KERN_INFO, ha,
2ea00202 769 "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
e315cd28 770 vha->host_no, id, lun, wait, serial, ret);
1da177e4 771
f4f051eb 772 return ret;
773}
1da177e4 774
523ec773
AV		 775enum nexus_wait_type {
776 WAIT_HOST = 0,
777 WAIT_TARGET,
778 WAIT_LUN,
779};
780
f4f051eb 781static int
e315cd28 782qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
17d98630 783 unsigned int l, srb_t *sp, enum nexus_wait_type type)
f4f051eb 784{
17d98630 785 int cnt, match, status;
18e144d3 786 unsigned long flags;
e315cd28 787 struct qla_hw_data *ha = vha->hw;
73208dfd 788 struct req_que *req;
1da177e4 789
523ec773 790 status = QLA_SUCCESS;
17d98630
AC		 791 if (!sp)
792 return status;
793
e315cd28 794 spin_lock_irqsave(&ha->hardware_lock, flags);
67c2e93a 795 req = vha->req;
17d98630
AC		 796 for (cnt = 1; status == QLA_SUCCESS &&
797 cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
798 sp = req->outstanding_cmds[cnt];
799 if (!sp)
523ec773 800 continue;
cf53b069
AV		 801 if (sp->ctx)
802 continue;
17d98630
AC		 803 if (vha->vp_idx != sp->fcport->vha->vp_idx)
804 continue;
805 match = 0;
806 switch (type) {
807 case WAIT_HOST:
808 match = 1;
809 break;
810 case WAIT_TARGET:
811 match = sp->cmd->device->id == t;
812 break;
813 case WAIT_LUN:
814 match = (sp->cmd->device->id == t &&
815 sp->cmd->device->lun == l);
816 break;
73208dfd 817 }
17d98630
AC		 818 if (!match)
819 continue;
820
821 spin_unlock_irqrestore(&ha->hardware_lock, flags);
822 status = qla2x00_eh_wait_on_command(sp->cmd);
823 spin_lock_irqsave(&ha->hardware_lock, flags);
1da177e4 824 }
e315cd28 825 spin_unlock_irqrestore(&ha->hardware_lock, flags);
523ec773
AV		 826
827 return status;
1da177e4
LT		 828}
829
523ec773
AV		 830static char *reset_errors[] = {
831 "HBA not online",
832 "HBA not ready",
833 "Task management failed",
834 "Waiting for command completions",
835};
1da177e4 836
e5f82ab8 837static int
523ec773 838__qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
2afa19a9 839 struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int, int))
1da177e4 840{
e315cd28 841 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
bdf79621 842 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
523ec773 843 int err;
1da177e4 844
65d430fa 845 fc_block_scsi_eh(cmd);
07db5183 846
b0328bee 847 if (!fcport)
523ec773 848 return FAILED;
1da177e4 849
e315cd28
AC		 850 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET ISSUED.\n",
851 vha->host_no, cmd->device->id, cmd->device->lun, name);
1da177e4 852
523ec773 853 err = 0;
e315cd28 854 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
523ec773
AV		 855 goto eh_reset_failed;
856 err = 1;
e315cd28 857 if (qla2x00_wait_for_loop_ready(vha) != QLA_SUCCESS)
523ec773
AV		 858 goto eh_reset_failed;
859 err = 2;
2afa19a9
AC		 860 if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
861 != QLA_SUCCESS)
523ec773
AV		 862 goto eh_reset_failed;
863 err = 3;
e315cd28 864 if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
17d98630 865 cmd->device->lun, (srb_t *) CMD_SP(cmd), type) != QLA_SUCCESS)
523ec773
AV		 866 goto eh_reset_failed;
867
e315cd28
AC		 868 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n",
869 vha->host_no, cmd->device->id, cmd->device->lun, name);
523ec773
AV		 870
871 return SUCCESS;
872
873 eh_reset_failed:
e315cd28
AC		 874 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n"
875 , vha->host_no, cmd->device->id, cmd->device->lun, name,
523ec773
AV		 876 reset_errors[err]);
877 return FAILED;
878}
1da177e4 879
523ec773
AV		 880static int
881qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
882{
e315cd28
AC		 883 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
884 struct qla_hw_data *ha = vha->hw;
1da177e4 885
523ec773
AV		 886 return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
887 ha->isp_ops->lun_reset);
1da177e4
LT		 888}
889
1da177e4 890static int
523ec773 891qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1da177e4 892{
e315cd28
AC		 893 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
894 struct qla_hw_data *ha = vha->hw;
1da177e4 895
523ec773
AV		 896 return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
897 ha->isp_ops->target_reset);
1da177e4
LT		 898}
899
1da177e4
LT		 900/**************************************************************************
901* qla2xxx_eh_bus_reset
902*
903* Description:
904* The bus reset function will reset the bus and abort any executing
905* commands.
906*
907* Input:
908* cmd = Linux SCSI command packet of the command that cause the
909* bus reset.
910*
911* Returns:
912* SUCCESS/FAILURE (defined as macro in scsi.h).
913*
914**************************************************************************/
e5f82ab8 915static int
1da177e4
LT		 916qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
917{
e315cd28 918 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
bdf79621 919 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
2c3dfe3f 920 int ret = FAILED;
f4f051eb 921 unsigned int id, lun;
922 unsigned long serial;
17d98630 923 srb_t *sp = (srb_t *) CMD_SP(cmd);
f4f051eb 924
65d430fa 925 fc_block_scsi_eh(cmd);
07db5183 926
f4f051eb 927 id = cmd->device->id;
928 lun = cmd->device->lun;
929 serial = cmd->serial_number;
1da177e4 930
b0328bee 931 if (!fcport)
f4f051eb 932 return ret;
1da177e4 933
e315cd28 934 qla_printk(KERN_INFO, vha->hw,
749af3d5 935 "scsi(%ld:%d:%d): BUS RESET ISSUED.\n", vha->host_no, id, lun);
1da177e4 936
e315cd28 937 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1da177e4 938 DEBUG2(printk("%s failed:board disabled\n",__func__));
f4f051eb 939 goto eh_bus_reset_done;
1da177e4
LT		 940 }
941
e315cd28
AC		 942 if (qla2x00_wait_for_loop_ready(vha) == QLA_SUCCESS) {
943 if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
f4f051eb 944 ret = SUCCESS;
1da177e4 945 }
f4f051eb 946 if (ret == FAILED)
947 goto eh_bus_reset_done;
1da177e4 948
9a41a62b 949 /* Flush outstanding commands. */
17d98630 950 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) !=
523ec773 951 QLA_SUCCESS)
9a41a62b 952 ret = FAILED;
1da177e4 953
f4f051eb 954eh_bus_reset_done:
e315cd28 955 qla_printk(KERN_INFO, vha->hw, "%s: reset %s\n", __func__,
f4f051eb 956 (ret == FAILED) ? "failed" : "succeded");
1da177e4 957
f4f051eb 958 return ret;
1da177e4
LT		 959}
960
961/**************************************************************************
962* qla2xxx_eh_host_reset
963*
964* Description:
965* The reset function will reset the Adapter.
966*
967* Input:
968* cmd = Linux SCSI command packet of the command that cause the
969* adapter reset.
970*
971* Returns:
972* Either SUCCESS or FAILED.
973*
974* Note:
975**************************************************************************/
e5f82ab8 976static int
1da177e4
LT		 977qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
978{
e315cd28 979 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
bdf79621 980 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
e315cd28 981 struct qla_hw_data *ha = vha->hw;
2c3dfe3f 982 int ret = FAILED;
f4f051eb 983 unsigned int id, lun;
984 unsigned long serial;
17d98630 985 srb_t *sp = (srb_t *) CMD_SP(cmd);
e315cd28 986 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1da177e4 987
65d430fa 988 fc_block_scsi_eh(cmd);
07db5183 989
f4f051eb 990 id = cmd->device->id;
991 lun = cmd->device->lun;
992 serial = cmd->serial_number;
993
b0328bee 994 if (!fcport)
f4f051eb 995 return ret;
1da177e4 996
1da177e4 997 qla_printk(KERN_INFO, ha,
e315cd28 998 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", vha->host_no, id, lun);
1da177e4 999
e315cd28 1000 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
f4f051eb 1001 goto eh_host_reset_lock;
1da177e4
LT		 1002
1003 /*
1004 * Fixme-may be dpc thread is active and processing
fa2a1ce5 1005 * loop_resync,so wait a while for it to
1da177e4
LT		 1006 * be completed and then issue big hammer.Otherwise
1007 * it may cause I/O failure as big hammer marks the
1008 * devices as lost kicking of the port_down_timer
1009 * while dpc is stuck for the mailbox to complete.
1010 */
e315cd28
AC		 1011 qla2x00_wait_for_loop_ready(vha);
1012 if (vha != base_vha) {
1013 if (qla2x00_vp_abort_isp(vha))
f4f051eb 1014 goto eh_host_reset_lock;
e315cd28 1015 } else {
68ca949c
AC		 1016 if (ha->wq)
1017 flush_workqueue(ha->wq);
1018
e315cd28
AC		 1019 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1020 if (qla2x00_abort_isp(base_vha)) {
1021 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1022 /* failed. schedule dpc to try */
1023 set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1024
1025 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
1026 goto eh_host_reset_lock;
1027 }
1028 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
fa2a1ce5 1029 }
1da177e4 1030
e315cd28 1031 /* Waiting for command to be returned to OS.*/
17d98630 1032 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) ==
e315cd28 1033 QLA_SUCCESS)
f4f051eb 1034 ret = SUCCESS;
1da177e4 1035
f4f051eb 1036eh_host_reset_lock:
f4f051eb 1037 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1038 (ret == FAILED) ? "failed" : "succeded");
1da177e4 1039
f4f051eb 1040 return ret;
1041}
1da177e4
LT		 1042
1043/*
1044* qla2x00_loop_reset
1045* Issue loop reset.
1046*
1047* Input:
1048* ha = adapter block pointer.
1049*
1050* Returns:
1051* 0 = success
1052*/
a4722cf2 1053int
e315cd28 1054qla2x00_loop_reset(scsi_qla_host_t *vha)
1da177e4 1055{
0c8c39af 1056 int ret;
bdf79621 1057 struct fc_port *fcport;
e315cd28 1058 struct qla_hw_data *ha = vha->hw;
1da177e4 1059
55e5ed27
AV		 1060 if (ha->flags.enable_target_reset) {
1061 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1062 if (fcport->port_type != FCT_TARGET)
1063 continue;
1064
1065 ret = ha->isp_ops->target_reset(fcport, 0, 0);
1066 if (ret != QLA_SUCCESS) {
1067 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1068 "target_reset=%d d_id=%x.\n", __func__,
1069 vha->host_no, ret, fcport->d_id.b24));
1070 }
1071 }
1072 }
1073
0d6e61bc 1074 if (ha->flags.enable_lip_full_login && !IS_QLA81XX(ha)) {
e315cd28 1075 ret = qla2x00_full_login_lip(vha);
0c8c39af 1076 if (ret != QLA_SUCCESS) {
749af3d5 1077 DEBUG2_3(printk("%s(%ld): failed: "
e315cd28 1078 "full_login_lip=%d.\n", __func__, vha->host_no,
0c8c39af 1079 ret));
749af3d5
AC		 1080 }
1081 atomic_set(&vha->loop_state, LOOP_DOWN);
1082 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1083 qla2x00_mark_all_devices_lost(vha, 0);
1084 qla2x00_wait_for_loop_ready(vha);
0c8c39af
AV		 1085 }
1086
0d6e61bc 1087 if (ha->flags.enable_lip_reset) {
e315cd28 1088 ret = qla2x00_lip_reset(vha);
0c8c39af 1089 if (ret != QLA_SUCCESS) {
749af3d5 1090 DEBUG2_3(printk("%s(%ld): failed: "
e315cd28
AC		 1091 "lip_reset=%d.\n", __func__, vha->host_no, ret));
1092 } else
1093 qla2x00_wait_for_loop_ready(vha);
1da177e4
LT		 1094 }
1095
1da177e4 1096 /* Issue marker command only when we are going to start the I/O */
e315cd28 1097 vha->marker_needed = 1;
1da177e4 1098
0c8c39af 1099 return QLA_SUCCESS;
1da177e4
LT		 1100}
1101
df4bf0bb 1102void
e315cd28 1103qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
df4bf0bb 1104{
73208dfd 1105 int que, cnt;
df4bf0bb
AV		 1106 unsigned long flags;
1107 srb_t *sp;
ac280b67 1108 struct srb_ctx *ctx;
e315cd28 1109 struct qla_hw_data *ha = vha->hw;
73208dfd 1110 struct req_que *req;
df4bf0bb
AV		 1111
1112 spin_lock_irqsave(&ha->hardware_lock, flags);
2afa19a9 1113 for (que = 0; que < ha->max_req_queues; que++) {
29bdccbe 1114 req = ha->req_q_map[que];
73208dfd
AC		 1115 if (!req)
1116 continue;
1117 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1118 sp = req->outstanding_cmds[cnt];
e612d465 1119 if (sp) {
73208dfd 1120 req->outstanding_cmds[cnt] = NULL;
ac280b67
AV		 1121 if (!sp->ctx) {
1122 sp->cmd->result = res;
1123 qla2x00_sp_compl(ha, sp);
1124 } else {
1125 ctx = sp->ctx;
db3ad7f8
GM		 1126 if (ctx->type == SRB_LOGIN_CMD || ctx->type == SRB_LOGOUT_CMD) {
1127 del_timer_sync(&ctx->timer);
1128 ctx->free(sp);
1129 } else {
1130 struct srb_bsg* sp_bsg = (struct srb_bsg*)sp->ctx;
1131 if (sp_bsg->bsg_job->request->msgcode == FC_BSG_HST_CT)
1132 kfree(sp->fcport);
1133 sp_bsg->bsg_job->req->errors = 0;
1134 sp_bsg->bsg_job->reply->result = res;
1135 sp_bsg->bsg_job->job_done(sp_bsg->bsg_job);
1136 kfree(sp->ctx);
1137 mempool_free(sp, ha->srb_mempool);
1138 }
ac280b67 1139 }
73208dfd 1140 }
df4bf0bb
AV		 1141 }
1142 }
1143 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1144}
1145
f4f051eb 1146static int
1147qla2xxx_slave_alloc(struct scsi_device *sdev)
1da177e4 1148{
bdf79621 1149 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1da177e4 1150
19a7b4ae 1151 if (!rport || fc_remote_port_chkready(rport))
f4f051eb 1152 return -ENXIO;
bdf79621 1153
19a7b4ae 1154 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1da177e4 1155
f4f051eb 1156 return 0;
1157}
1da177e4 1158
f4f051eb 1159static int
1160qla2xxx_slave_configure(struct scsi_device *sdev)
1161{
e315cd28
AC		 1162 scsi_qla_host_t *vha = shost_priv(sdev->host);
1163 struct qla_hw_data *ha = vha->hw;
8482e118 1164 struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
2afa19a9 1165 struct req_que *req = vha->req;
8482e118 1166
f4f051eb 1167 if (sdev->tagged_supported)
73208dfd 1168 scsi_activate_tcq(sdev, req->max_q_depth);
f4f051eb 1169 else
73208dfd 1170 scsi_deactivate_tcq(sdev, req->max_q_depth);
1da177e4 1171
85821c90 1172 rport->dev_loss_tmo = ha->port_down_retry_count;
8482e118 1173
f4f051eb 1174 return 0;
1175}
1da177e4 1176
f4f051eb 1177static void
1178qla2xxx_slave_destroy(struct scsi_device *sdev)
1179{
1180 sdev->hostdata = NULL;
1da177e4
LT		 1181}
1182
c45dd305
GM		 1183static void qla2x00_handle_queue_full(struct scsi_device *sdev, int qdepth)
1184{
1185 fc_port_t *fcport = (struct fc_port *) sdev->hostdata;
1186
1187 if (!scsi_track_queue_full(sdev, qdepth))
1188 return;
1189
1190 DEBUG2(qla_printk(KERN_INFO, fcport->vha->hw,
1191 "scsi(%ld:%d:%d:%d): Queue depth adjusted-down to %d.\n",
1192 fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun,
1193 sdev->queue_depth));
1194}
1195
1196static void qla2x00_adjust_sdev_qdepth_up(struct scsi_device *sdev, int qdepth)
1197{
1198 fc_port_t *fcport = sdev->hostdata;
1199 struct scsi_qla_host *vha = fcport->vha;
1200 struct qla_hw_data *ha = vha->hw;
1201 struct req_que *req = NULL;
1202
1203 req = vha->req;
1204 if (!req)
1205 return;
1206
1207 if (req->max_q_depth <= sdev->queue_depth || req->max_q_depth < qdepth)
1208 return;
1209
1210 if (sdev->ordered_tags)
1211 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, qdepth);
1212 else
1213 scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, qdepth);
1214
1215 DEBUG2(qla_printk(KERN_INFO, ha,
1216 "scsi(%ld:%d:%d:%d): Queue depth adjusted-up to %d.\n",
1217 fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun,
1218 sdev->queue_depth));
1219}
1220
ce7e4af7 1221static int
e881a172 1222qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
ce7e4af7 1223{
c45dd305
GM		 1224 switch (reason) {
1225 case SCSI_QDEPTH_DEFAULT:
1226 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1227 break;
1228 case SCSI_QDEPTH_QFULL:
1229 qla2x00_handle_queue_full(sdev, qdepth);
1230 break;
1231 case SCSI_QDEPTH_RAMP_UP:
1232 qla2x00_adjust_sdev_qdepth_up(sdev, qdepth);
1233 break;
1234 default:
08002af2 1235 return -EOPNOTSUPP;
c45dd305 1236 }
e881a172 1237
ce7e4af7
AV		 1238 return sdev->queue_depth;
1239}
1240
1241static int
1242qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1243{
1244 if (sdev->tagged_supported) {
1245 scsi_set_tag_type(sdev, tag_type);
1246 if (tag_type)
1247 scsi_activate_tcq(sdev, sdev->queue_depth);
1248 else
1249 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1250 } else
1251 tag_type = 0;
1252
1253 return tag_type;
1254}
1255
1da177e4
LT		 1256/**
1257 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1258 * @ha: HA context
1259 *
1260 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1261 * supported addressing method.
1262 */
1263static void
53303c42 1264qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1da177e4 1265{
7524f9b9 1266 /* Assume a 32bit DMA mask. */
1da177e4 1267 ha->flags.enable_64bit_addressing = 0;
1da177e4 1268
6a35528a 1269 if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
7524f9b9
AV		 1270 /* Any upper-dword bits set? */
1271 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
6a35528a 1272 !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
7524f9b9 1273 /* Ok, a 64bit DMA mask is applicable. */
1da177e4 1274 ha->flags.enable_64bit_addressing = 1;
fd34f556
AV		 1275 ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1276 ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
7524f9b9 1277 return;
1da177e4 1278 }
1da177e4 1279 }
7524f9b9 1280
284901a9
YH		 1281 dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1282 pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1da177e4
LT		 1283}
1284
fd34f556 1285static void
e315cd28 1286qla2x00_enable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1287{
1288 unsigned long flags = 0;
1289 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1290
1291 spin_lock_irqsave(&ha->hardware_lock, flags);
1292 ha->interrupts_on = 1;
1293 /* enable risc and host interrupts */
1294 WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1295 RD_REG_WORD(&reg->ictrl);
1296 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1297
1298}
1299
1300static void
e315cd28 1301qla2x00_disable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1302{
1303 unsigned long flags = 0;
1304 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1305
1306 spin_lock_irqsave(&ha->hardware_lock, flags);
1307 ha->interrupts_on = 0;
1308 /* disable risc and host interrupts */
1309 WRT_REG_WORD(&reg->ictrl, 0);
1310 RD_REG_WORD(&reg->ictrl);
1311 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1312}
1313
1314static void
e315cd28 1315qla24xx_enable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1316{
1317 unsigned long flags = 0;
1318 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1319
1320 spin_lock_irqsave(&ha->hardware_lock, flags);
1321 ha->interrupts_on = 1;
1322 WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1323 RD_REG_DWORD(&reg->ictrl);
1324 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1325}
1326
1327static void
e315cd28 1328qla24xx_disable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1329{
1330 unsigned long flags = 0;
1331 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1332
124f85e6
AV		 1333 if (IS_NOPOLLING_TYPE(ha))
1334 return;
fd34f556
AV		 1335 spin_lock_irqsave(&ha->hardware_lock, flags);
1336 ha->interrupts_on = 0;
1337 WRT_REG_DWORD(&reg->ictrl, 0);
1338 RD_REG_DWORD(&reg->ictrl);
1339 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1340}
1341
1342static struct isp_operations qla2100_isp_ops = {
1343 .pci_config = qla2100_pci_config,
1344 .reset_chip = qla2x00_reset_chip,
1345 .chip_diag = qla2x00_chip_diag,
1346 .config_rings = qla2x00_config_rings,
1347 .reset_adapter = qla2x00_reset_adapter,
1348 .nvram_config = qla2x00_nvram_config,
1349 .update_fw_options = qla2x00_update_fw_options,
1350 .load_risc = qla2x00_load_risc,
1351 .pci_info_str = qla2x00_pci_info_str,
1352 .fw_version_str = qla2x00_fw_version_str,
1353 .intr_handler = qla2100_intr_handler,
1354 .enable_intrs = qla2x00_enable_intrs,
1355 .disable_intrs = qla2x00_disable_intrs,
1356 .abort_command = qla2x00_abort_command,
523ec773
AV		 1357 .target_reset = qla2x00_abort_target,
1358 .lun_reset = qla2x00_lun_reset,
fd34f556
AV		 1359 .fabric_login = qla2x00_login_fabric,
1360 .fabric_logout = qla2x00_fabric_logout,
1361 .calc_req_entries = qla2x00_calc_iocbs_32,
1362 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1363 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1364 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1365 .read_nvram = qla2x00_read_nvram_data,
1366 .write_nvram = qla2x00_write_nvram_data,
1367 .fw_dump = qla2100_fw_dump,
1368 .beacon_on = NULL,
1369 .beacon_off = NULL,
1370 .beacon_blink = NULL,
1371 .read_optrom = qla2x00_read_optrom_data,
1372 .write_optrom = qla2x00_write_optrom_data,
1373 .get_flash_version = qla2x00_get_flash_version,
e315cd28 1374 .start_scsi = qla2x00_start_scsi,
fd34f556
AV		 1375};
1376
1377static struct isp_operations qla2300_isp_ops = {
1378 .pci_config = qla2300_pci_config,
1379 .reset_chip = qla2x00_reset_chip,
1380 .chip_diag = qla2x00_chip_diag,
1381 .config_rings = qla2x00_config_rings,
1382 .reset_adapter = qla2x00_reset_adapter,
1383 .nvram_config = qla2x00_nvram_config,
1384 .update_fw_options = qla2x00_update_fw_options,
1385 .load_risc = qla2x00_load_risc,
1386 .pci_info_str = qla2x00_pci_info_str,
1387 .fw_version_str = qla2x00_fw_version_str,
1388 .intr_handler = qla2300_intr_handler,
1389 .enable_intrs = qla2x00_enable_intrs,
1390 .disable_intrs = qla2x00_disable_intrs,
1391 .abort_command = qla2x00_abort_command,
523ec773
AV		 1392 .target_reset = qla2x00_abort_target,
1393 .lun_reset = qla2x00_lun_reset,
fd34f556
AV		 1394 .fabric_login = qla2x00_login_fabric,
1395 .fabric_logout = qla2x00_fabric_logout,
1396 .calc_req_entries = qla2x00_calc_iocbs_32,
1397 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1398 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1399 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1400 .read_nvram = qla2x00_read_nvram_data,
1401 .write_nvram = qla2x00_write_nvram_data,
1402 .fw_dump = qla2300_fw_dump,
1403 .beacon_on = qla2x00_beacon_on,
1404 .beacon_off = qla2x00_beacon_off,
1405 .beacon_blink = qla2x00_beacon_blink,
1406 .read_optrom = qla2x00_read_optrom_data,
1407 .write_optrom = qla2x00_write_optrom_data,
1408 .get_flash_version = qla2x00_get_flash_version,
e315cd28 1409 .start_scsi = qla2x00_start_scsi,
fd34f556
AV		 1410};
1411
1412static struct isp_operations qla24xx_isp_ops = {
1413 .pci_config = qla24xx_pci_config,
1414 .reset_chip = qla24xx_reset_chip,
1415 .chip_diag = qla24xx_chip_diag,
1416 .config_rings = qla24xx_config_rings,
1417 .reset_adapter = qla24xx_reset_adapter,
1418 .nvram_config = qla24xx_nvram_config,
1419 .update_fw_options = qla24xx_update_fw_options,
1420 .load_risc = qla24xx_load_risc,
1421 .pci_info_str = qla24xx_pci_info_str,
1422 .fw_version_str = qla24xx_fw_version_str,
1423 .intr_handler = qla24xx_intr_handler,
1424 .enable_intrs = qla24xx_enable_intrs,
1425 .disable_intrs = qla24xx_disable_intrs,
1426 .abort_command = qla24xx_abort_command,
523ec773
AV		 1427 .target_reset = qla24xx_abort_target,
1428 .lun_reset = qla24xx_lun_reset,
fd34f556
AV		 1429 .fabric_login = qla24xx_login_fabric,
1430 .fabric_logout = qla24xx_fabric_logout,
1431 .calc_req_entries = NULL,
1432 .build_iocbs = NULL,
1433 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1434 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1435 .read_nvram = qla24xx_read_nvram_data,
1436 .write_nvram = qla24xx_write_nvram_data,
1437 .fw_dump = qla24xx_fw_dump,
1438 .beacon_on = qla24xx_beacon_on,
1439 .beacon_off = qla24xx_beacon_off,
1440 .beacon_blink = qla24xx_beacon_blink,
1441 .read_optrom = qla24xx_read_optrom_data,
1442 .write_optrom = qla24xx_write_optrom_data,
1443 .get_flash_version = qla24xx_get_flash_version,
e315cd28 1444 .start_scsi = qla24xx_start_scsi,
fd34f556
AV		 1445};
1446
c3a2f0df
AV		 1447static struct isp_operations qla25xx_isp_ops = {
1448 .pci_config = qla25xx_pci_config,
1449 .reset_chip = qla24xx_reset_chip,
1450 .chip_diag = qla24xx_chip_diag,
1451 .config_rings = qla24xx_config_rings,
1452 .reset_adapter = qla24xx_reset_adapter,
1453 .nvram_config = qla24xx_nvram_config,
1454 .update_fw_options = qla24xx_update_fw_options,
1455 .load_risc = qla24xx_load_risc,
1456 .pci_info_str = qla24xx_pci_info_str,
1457 .fw_version_str = qla24xx_fw_version_str,
1458 .intr_handler = qla24xx_intr_handler,
1459 .enable_intrs = qla24xx_enable_intrs,
1460 .disable_intrs = qla24xx_disable_intrs,
1461 .abort_command = qla24xx_abort_command,
523ec773
AV		 1462 .target_reset = qla24xx_abort_target,
1463 .lun_reset = qla24xx_lun_reset,
c3a2f0df
AV		 1464 .fabric_login = qla24xx_login_fabric,
1465 .fabric_logout = qla24xx_fabric_logout,
1466 .calc_req_entries = NULL,
1467 .build_iocbs = NULL,
1468 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1469 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1470 .read_nvram = qla25xx_read_nvram_data,
1471 .write_nvram = qla25xx_write_nvram_data,
1472 .fw_dump = qla25xx_fw_dump,
1473 .beacon_on = qla24xx_beacon_on,
1474 .beacon_off = qla24xx_beacon_off,
1475 .beacon_blink = qla24xx_beacon_blink,
338c9161 1476 .read_optrom = qla25xx_read_optrom_data,
c3a2f0df
AV		 1477 .write_optrom = qla24xx_write_optrom_data,
1478 .get_flash_version = qla24xx_get_flash_version,
e315cd28 1479 .start_scsi = qla24xx_start_scsi,
c3a2f0df
AV		 1480};
1481
3a03eb79
AV		 1482static struct isp_operations qla81xx_isp_ops = {
1483 .pci_config = qla25xx_pci_config,
1484 .reset_chip = qla24xx_reset_chip,
1485 .chip_diag = qla24xx_chip_diag,
1486 .config_rings = qla24xx_config_rings,
1487 .reset_adapter = qla24xx_reset_adapter,
1488 .nvram_config = qla81xx_nvram_config,
1489 .update_fw_options = qla81xx_update_fw_options,
eaac30be 1490 .load_risc = qla81xx_load_risc,
3a03eb79
AV		 1491 .pci_info_str = qla24xx_pci_info_str,
1492 .fw_version_str = qla24xx_fw_version_str,
1493 .intr_handler = qla24xx_intr_handler,
1494 .enable_intrs = qla24xx_enable_intrs,
1495 .disable_intrs = qla24xx_disable_intrs,
1496 .abort_command = qla24xx_abort_command,
1497 .target_reset = qla24xx_abort_target,
1498 .lun_reset = qla24xx_lun_reset,
1499 .fabric_login = qla24xx_login_fabric,
1500 .fabric_logout = qla24xx_fabric_logout,
1501 .calc_req_entries = NULL,
1502 .build_iocbs = NULL,
1503 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1504 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
3d79038f
AV		 1505 .read_nvram = NULL,
1506 .write_nvram = NULL,
3a03eb79
AV		 1507 .fw_dump = qla81xx_fw_dump,
1508 .beacon_on = qla24xx_beacon_on,
1509 .beacon_off = qla24xx_beacon_off,
1510 .beacon_blink = qla24xx_beacon_blink,
1511 .read_optrom = qla25xx_read_optrom_data,
1512 .write_optrom = qla24xx_write_optrom_data,
1513 .get_flash_version = qla24xx_get_flash_version,
1514 .start_scsi = qla24xx_start_scsi,
3a03eb79
AV		 1515};
1516
ea5b6382 1517static inline void
e315cd28 1518qla2x00_set_isp_flags(struct qla_hw_data *ha)
ea5b6382 1519{
1520 ha->device_type = DT_EXTENDED_IDS;
1521 switch (ha->pdev->device) {
1522 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1523 ha->device_type |= DT_ISP2100;
1524 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1525 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382 1526 break;
1527 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1528 ha->device_type |= DT_ISP2200;
1529 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1530 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382 1531 break;
1532 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1533 ha->device_type |= DT_ISP2300;
4a59f71d 1534 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1535 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1536 break;
1537 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1538 ha->device_type |= DT_ISP2312;
4a59f71d 1539 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1540 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1541 break;
1542 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1543 ha->device_type |= DT_ISP2322;
4a59f71d 1544 ha->device_type |= DT_ZIO_SUPPORTED;
ea5b6382 1545 if (ha->pdev->subsystem_vendor == 0x1028 &&
1546 ha->pdev->subsystem_device == 0x0170)
1547 ha->device_type |= DT_OEM_001;
441d1072 1548 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1549 break;
1550 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1551 ha->device_type |= DT_ISP6312;
441d1072 1552 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1553 break;
1554 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1555 ha->device_type |= DT_ISP6322;
441d1072 1556 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1557 break;
1558 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1559 ha->device_type |= DT_ISP2422;
4a59f71d 1560 ha->device_type |= DT_ZIO_SUPPORTED;
e428924c 1561 ha->device_type |= DT_FWI2;
c76f2c01 1562 ha->device_type |= DT_IIDMA;
441d1072 1563 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1564 break;
1565 case PCI_DEVICE_ID_QLOGIC_ISP2432:
1566 ha->device_type |= DT_ISP2432;
4a59f71d 1567 ha->device_type |= DT_ZIO_SUPPORTED;
e428924c 1568 ha->device_type |= DT_FWI2;
c76f2c01 1569 ha->device_type |= DT_IIDMA;
441d1072 1570 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1571 break;
4d4df193
HK		 1572 case PCI_DEVICE_ID_QLOGIC_ISP8432:
1573 ha->device_type |= DT_ISP8432;
1574 ha->device_type |= DT_ZIO_SUPPORTED;
1575 ha->device_type |= DT_FWI2;
1576 ha->device_type |= DT_IIDMA;
1577 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1578 break;
044cc6c8 1579 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1580 ha->device_type |= DT_ISP5422;
e428924c 1581 ha->device_type |= DT_FWI2;
441d1072 1582 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1583 break;
044cc6c8 1584 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1585 ha->device_type |= DT_ISP5432;
e428924c 1586 ha->device_type |= DT_FWI2;
441d1072 1587 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1588 break;
c3a2f0df
AV		 1589 case PCI_DEVICE_ID_QLOGIC_ISP2532:
1590 ha->device_type |= DT_ISP2532;
1591 ha->device_type |= DT_ZIO_SUPPORTED;
1592 ha->device_type |= DT_FWI2;
1593 ha->device_type |= DT_IIDMA;
441d1072 1594 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1595 break;
3a03eb79
AV		 1596 case PCI_DEVICE_ID_QLOGIC_ISP8001:
1597 ha->device_type |= DT_ISP8001;
1598 ha->device_type |= DT_ZIO_SUPPORTED;
1599 ha->device_type |= DT_FWI2;
1600 ha->device_type |= DT_IIDMA;
1601 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1602 break;
ea5b6382 1603 }
e5b68a61
AC		 1604
1605 /* Get adapter physical port no from interrupt pin register. */
1606 pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
1607 if (ha->port_no & 1)
1608 ha->flags.port0 = 1;
1609 else
1610 ha->flags.port0 = 0;
ea5b6382 1611}
1612
1da177e4 1613static int
e315cd28 1614qla2x00_iospace_config(struct qla_hw_data *ha)
1da177e4 1615{
3776541d 1616 resource_size_t pio;
73208dfd 1617 uint16_t msix;
68ca949c 1618 int cpus;
1da177e4 1619
285d0321
AV		 1620 if (pci_request_selected_regions(ha->pdev, ha->bars,
1621 QLA2XXX_DRIVER_NAME)) {
1622 qla_printk(KERN_WARNING, ha,
1623 "Failed to reserve PIO/MMIO regions (%s)\n",
1624 pci_name(ha->pdev));
1625
1626 goto iospace_error_exit;
1627 }
1628 if (!(ha->bars & 1))
1629 goto skip_pio;
1630
1da177e4
LT		 1631 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1632 pio = pci_resource_start(ha->pdev, 0);
3776541d
AV		 1633 if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1634 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1da177e4
LT		 1635 qla_printk(KERN_WARNING, ha,
1636 "Invalid PCI I/O region size (%s)...\n",
1637 pci_name(ha->pdev));
1638 pio = 0;
1639 }
1640 } else {
1641 qla_printk(KERN_WARNING, ha,
1642 "region #0 not a PIO resource (%s)...\n",
1643 pci_name(ha->pdev));
1644 pio = 0;
1645 }
285d0321 1646 ha->pio_address = pio;
1da177e4 1647
285d0321 1648skip_pio:
1da177e4 1649 /* Use MMIO operations for all accesses. */
3776541d 1650 if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1da177e4 1651 qla_printk(KERN_ERR, ha,
3776541d 1652 "region #1 not an MMIO resource (%s), aborting\n",
1da177e4
LT		 1653 pci_name(ha->pdev));
1654 goto iospace_error_exit;
1655 }
3776541d 1656 if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1da177e4
LT		 1657 qla_printk(KERN_ERR, ha,
1658 "Invalid PCI mem region size (%s), aborting\n",
1659 pci_name(ha->pdev));
1660 goto iospace_error_exit;
1661 }
1662
3776541d 1663 ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1da177e4
LT		 1664 if (!ha->iobase) {
1665 qla_printk(KERN_ERR, ha,
1666 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1667
1668 goto iospace_error_exit;
1669 }
1670
73208dfd 1671 /* Determine queue resources */
2afa19a9 1672 ha->max_req_queues = ha->max_rsp_queues = 1;
68ca949c 1673 if ((ql2xmaxqueues <= 1 || ql2xmultique_tag < 1) &&
2afa19a9 1674 (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
17d98630
AC		 1675 goto mqiobase_exit;
1676 ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1677 pci_resource_len(ha->pdev, 3));
1678 if (ha->mqiobase) {
1679 /* Read MSIX vector size of the board */
1680 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1681 ha->msix_count = msix;
68ca949c
AC		 1682 /* Max queues are bounded by available msix vectors */
1683 /* queue 0 uses two msix vectors */
1684 if (ql2xmultique_tag) {
1685 cpus = num_online_cpus();
27dc9c5a 1686 ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ?
68ca949c
AC		 1687 (cpus + 1) : (ha->msix_count - 1);
1688 ha->max_req_queues = 2;
1689 } else if (ql2xmaxqueues > 1) {
2afa19a9
AC		 1690 ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ?
1691 QLA_MQ_SIZE : ql2xmaxqueues;
1692 DEBUG2(qla_printk(KERN_INFO, ha, "QoS mode set, max no"
1693 " of request queues:%d\n", ha->max_req_queues));
1694 }
68ca949c
AC		 1695 qla_printk(KERN_INFO, ha,
1696 "MSI-X vector count: %d\n", msix);
2afa19a9
AC		 1697 } else
1698 qla_printk(KERN_INFO, ha, "BAR 3 not enabled\n");
17d98630
AC		 1699
1700mqiobase_exit:
2afa19a9 1701 ha->msix_count = ha->max_rsp_queues + 1;
1da177e4
LT		 1702 return (0);
1703
1704iospace_error_exit:
1705 return (-ENOMEM);
1706}
1707
1e99e33a
AV		 1708static void
1709qla2xxx_scan_start(struct Scsi_Host *shost)
1710{
e315cd28 1711 scsi_qla_host_t *vha = shost_priv(shost);
1e99e33a 1712
cbc8eb67
AV		 1713 if (vha->hw->flags.running_gold_fw)
1714 return;
1715
e315cd28
AC		 1716 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1717 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1718 set_bit(RSCN_UPDATE, &vha->dpc_flags);
1719 set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
1e99e33a
AV		 1720}
1721
1722static int
1723qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1724{
e315cd28 1725 scsi_qla_host_t *vha = shost_priv(shost);
1e99e33a 1726
e315cd28 1727 if (!vha->host)
1e99e33a 1728 return 1;
e315cd28 1729 if (time > vha->hw->loop_reset_delay * HZ)
1e99e33a
AV		 1730 return 1;
1731
e315cd28 1732 return atomic_read(&vha->loop_state) == LOOP_READY;
1e99e33a
AV		 1733}
1734
1da177e4
LT		 1735/*
1736 * PCI driver interface
1737 */
7ee61397
AV		 1738static int __devinit
1739qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1da177e4 1740{
a1541d5a 1741 int ret = -ENODEV;
1da177e4 1742 struct Scsi_Host *host;
e315cd28
AC		 1743 scsi_qla_host_t *base_vha = NULL;
1744 struct qla_hw_data *ha;
29856e28 1745 char pci_info[30];
1da177e4 1746 char fw_str[30];
5433383e 1747 struct scsi_host_template *sht;
c51da4ec 1748 int bars, max_id, mem_only = 0;
e315cd28 1749 uint16_t req_length = 0, rsp_length = 0;
73208dfd
AC		 1750 struct req_que *req = NULL;
1751 struct rsp_que *rsp = NULL;
1da177e4 1752
285d0321 1753 bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
a5326f86 1754 sht = &qla2xxx_driver_template;
5433383e 1755 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
8bc69e7d 1756 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
4d4df193 1757 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
8bc69e7d 1758 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
c3a2f0df 1759 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
3a03eb79
AV		 1760 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
1761 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001) {
285d0321 1762 bars = pci_select_bars(pdev, IORESOURCE_MEM);
09483916 1763 mem_only = 1;
285d0321
AV		 1764 }
1765
09483916
BH		 1766 if (mem_only) {
1767 if (pci_enable_device_mem(pdev))
1768 goto probe_out;
1769 } else {
1770 if (pci_enable_device(pdev))
1771 goto probe_out;
1772 }
285d0321 1773
0927678f
JB		 1774 /* This may fail but that's ok */
1775 pci_enable_pcie_error_reporting(pdev);
285d0321 1776
e315cd28
AC		 1777 ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
1778 if (!ha) {
1779 DEBUG(printk("Unable to allocate memory for ha\n"));
1780 goto probe_out;
1da177e4 1781 }
e315cd28 1782 ha->pdev = pdev;
1da177e4
LT		 1783
1784 /* Clear our data area */
285d0321 1785 ha->bars = bars;
09483916 1786 ha->mem_only = mem_only;
df4bf0bb 1787 spin_lock_init(&ha->hardware_lock);
1da177e4 1788
ea5b6382 1789 /* Set ISP-type information. */
1790 qla2x00_set_isp_flags(ha);
ca79cf66
DG		 1791
1792 /* Set EEH reset type to fundamental if required by hba */
1793 if ( IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha)) {
1794 pdev->needs_freset = 1;
ca79cf66
DG		 1795 }
1796
1da177e4
LT		 1797 /* Configure PCI I/O space */
1798 ret = qla2x00_iospace_config(ha);
a1541d5a 1799 if (ret)
e315cd28 1800 goto probe_hw_failed;
1da177e4 1801
1da177e4 1802 qla_printk(KERN_INFO, ha,
5433383e
AV		 1803 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1804 ha->iobase);
1da177e4 1805
1da177e4 1806 ha->prev_topology = 0;
fca29703 1807 ha->init_cb_size = sizeof(init_cb_t);
d8b45213 1808 ha->link_data_rate = PORT_SPEED_UNKNOWN;
854165f4 1809 ha->optrom_size = OPTROM_SIZE_2300;
1da177e4 1810
abbd8870 1811 /* Assign ISP specific operations. */
e315cd28 1812 max_id = MAX_TARGETS_2200;
1da177e4 1813 if (IS_QLA2100(ha)) {
e315cd28 1814 max_id = MAX_TARGETS_2100;
1da177e4 1815 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
e315cd28
AC		 1816 req_length = REQUEST_ENTRY_CNT_2100;
1817 rsp_length = RESPONSE_ENTRY_CNT_2100;
1818 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
abbd8870 1819 ha->gid_list_info_size = 4;
3a03eb79
AV		 1820 ha->flash_conf_off = ~0;
1821 ha->flash_data_off = ~0;
1822 ha->nvram_conf_off = ~0;
1823 ha->nvram_data_off = ~0;
fd34f556 1824 ha->isp_ops = &qla2100_isp_ops;
1da177e4 1825 } else if (IS_QLA2200(ha)) {
1da177e4 1826 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1827 req_length = REQUEST_ENTRY_CNT_2200;
1828 rsp_length = RESPONSE_ENTRY_CNT_2100;
1829 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
abbd8870 1830 ha->gid_list_info_size = 4;
3a03eb79
AV		 1831 ha->flash_conf_off = ~0;
1832 ha->flash_data_off = ~0;
1833 ha->nvram_conf_off = ~0;
1834 ha->nvram_data_off = ~0;
fd34f556 1835 ha->isp_ops = &qla2100_isp_ops;
fca29703 1836 } else if (IS_QLA23XX(ha)) {
1da177e4 1837 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1838 req_length = REQUEST_ENTRY_CNT_2200;
1839 rsp_length = RESPONSE_ENTRY_CNT_2300;
1840 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
abbd8870 1841 ha->gid_list_info_size = 6;
854165f4 1842 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1843 ha->optrom_size = OPTROM_SIZE_2322;
3a03eb79
AV		 1844 ha->flash_conf_off = ~0;
1845 ha->flash_data_off = ~0;
1846 ha->nvram_conf_off = ~0;
1847 ha->nvram_data_off = ~0;
fd34f556 1848 ha->isp_ops = &qla2300_isp_ops;
4d4df193 1849 } else if (IS_QLA24XX_TYPE(ha)) {
fca29703 1850 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1851 req_length = REQUEST_ENTRY_CNT_24XX;
1852 rsp_length = RESPONSE_ENTRY_CNT_2300;
1853 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2c3dfe3f 1854 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
fca29703 1855 ha->gid_list_info_size = 8;
854165f4 1856 ha->optrom_size = OPTROM_SIZE_24XX;
73208dfd 1857 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
fd34f556 1858 ha->isp_ops = &qla24xx_isp_ops;
3a03eb79
AV		 1859 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
1860 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
1861 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
1862 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
c3a2f0df 1863 } else if (IS_QLA25XX(ha)) {
c3a2f0df 1864 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1865 req_length = REQUEST_ENTRY_CNT_24XX;
1866 rsp_length = RESPONSE_ENTRY_CNT_2300;
1867 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
c3a2f0df 1868 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
c3a2f0df
AV		 1869 ha->gid_list_info_size = 8;
1870 ha->optrom_size = OPTROM_SIZE_25XX;
73208dfd 1871 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
c3a2f0df 1872 ha->isp_ops = &qla25xx_isp_ops;
3a03eb79
AV		 1873 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
1874 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
1875 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
1876 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
1877 } else if (IS_QLA81XX(ha)) {
1878 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1879 req_length = REQUEST_ENTRY_CNT_24XX;
1880 rsp_length = RESPONSE_ENTRY_CNT_2300;
1881 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1882 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
1883 ha->gid_list_info_size = 8;
1884 ha->optrom_size = OPTROM_SIZE_81XX;
40859ae5 1885 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3a03eb79
AV		 1886 ha->isp_ops = &qla81xx_isp_ops;
1887 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
1888 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
1889 ha->nvram_conf_off = ~0;
1890 ha->nvram_data_off = ~0;
1da177e4 1891 }
1da177e4 1892
6c2f527c 1893 mutex_init(&ha->vport_lock);
0b05a1f0
MB		 1894 init_completion(&ha->mbx_cmd_comp);
1895 complete(&ha->mbx_cmd_comp);
1896 init_completion(&ha->mbx_intr_comp);
1da177e4 1897
2c3dfe3f 1898 set_bit(0, (unsigned long *) ha->vp_idx_map);
1da177e4 1899
53303c42 1900 qla2x00_config_dma_addressing(ha);
73208dfd 1901 ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
e315cd28 1902 if (!ret) {
1da177e4
LT		 1903 qla_printk(KERN_WARNING, ha,
1904 "[ERROR] Failed to allocate memory for adapter\n");
1905
e315cd28
AC		 1906 goto probe_hw_failed;
1907 }
1908
73208dfd 1909 req->max_q_depth = MAX_Q_DEPTH;
e315cd28 1910 if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
73208dfd
AC		 1911 req->max_q_depth = ql2xmaxqdepth;
1912
e315cd28
AC		 1913
1914 base_vha = qla2x00_create_host(sht, ha);
1915 if (!base_vha) {
1916 qla_printk(KERN_WARNING, ha,
1917 "[ERROR] Failed to allocate memory for scsi_host\n");
1918
a1541d5a 1919 ret = -ENOMEM;
6e9f21f3 1920 qla2x00_mem_free(ha);
2afa19a9
AC		 1921 qla2x00_free_req_que(ha, req);
1922 qla2x00_free_rsp_que(ha, rsp);
e315cd28 1923 goto probe_hw_failed;
1da177e4
LT		 1924 }
1925
e315cd28
AC		 1926 pci_set_drvdata(pdev, base_vha);
1927
e315cd28 1928 host = base_vha->host;
2afa19a9 1929 base_vha->req = req;
73208dfd
AC		 1930 host->can_queue = req->length + 128;
1931 if (IS_QLA2XXX_MIDTYPE(ha))
e315cd28 1932 base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
73208dfd 1933 else
e315cd28
AC		 1934 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
1935 base_vha->vp_idx;
e315cd28
AC		 1936 if (IS_QLA2100(ha))
1937 host->sg_tablesize = 32;
1938 host->max_id = max_id;
1939 host->this_id = 255;
1940 host->cmd_per_lun = 3;
1941 host->unique_id = host->host_no;
1942 host->max_cmd_len = MAX_CMDSZ;
1943 host->max_channel = MAX_BUSES - 1;
1944 host->max_lun = MAX_LUNS;
1945 host->transportt = qla2xxx_transport_template;
9a069e19 1946 sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
e315cd28 1947
73208dfd
AC		 1948 /* Set up the irqs */
1949 ret = qla2x00_request_irqs(ha, rsp);
1950 if (ret)
6e9f21f3 1951 goto probe_init_failed;
90a86fc0
JC		 1952
1953 pci_save_state(pdev);
1954
73208dfd 1955 /* Alloc arrays of request and response ring ptrs */
7163ea81 1956que_init:
73208dfd
AC		 1957 if (!qla2x00_alloc_queues(ha)) {
1958 qla_printk(KERN_WARNING, ha,
1959 "[ERROR] Failed to allocate memory for queue"
1960 " pointers\n");
6e9f21f3 1961 goto probe_init_failed;
73208dfd
AC		 1962 }
1963 ha->rsp_q_map[0] = rsp;
1964 ha->req_q_map[0] = req;
2afa19a9
AC		 1965 rsp->req = req;
1966 req->rsp = rsp;
1967 set_bit(0, ha->req_qid_map);
1968 set_bit(0, ha->rsp_qid_map);
08029990
AV		 1969 /* FWI2-capable only. */
1970 req->req_q_in = &ha->iobase->isp24.req_q_in;
1971 req->req_q_out = &ha->iobase->isp24.req_q_out;
1972 rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
1973 rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
17d98630 1974 if (ha->mqenable) {
08029990
AV		 1975 req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
1976 req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
1977 rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
1978 rsp->rsp_q_out = &ha->mqiobase->isp25mq.rsp_q_out;
17d98630
AC		 1979 }
1980
e315cd28 1981 if (qla2x00_initialize_adapter(base_vha)) {
1da177e4
LT		 1982 qla_printk(KERN_WARNING, ha,
1983 "Failed to initialize adapter\n");
1984
1985 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1986 "Adapter flags %x.\n",
e315cd28 1987 base_vha->host_no, base_vha->device_flags));
1da177e4 1988
a1541d5a 1989 ret = -ENODEV;
1da177e4
LT		 1990 goto probe_failed;
1991 }
1992
7163ea81
AC		 1993 if (ha->mqenable) {
1994 if (qla25xx_setup_mode(base_vha)) {
68ca949c
AC		 1995 qla_printk(KERN_WARNING, ha,
1996 "Can't create queues, falling back to single"
1997 " queue mode\n");
7163ea81
AC		 1998 goto que_init;
1999 }
2000 }
68ca949c 2001
cbc8eb67
AV		 2002 if (ha->flags.running_gold_fw)
2003 goto skip_dpc;
2004
1da177e4
LT		 2005 /*
2006 * Startup the kernel thread for this host adapter
2007 */
39a11240 2008 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
e315cd28 2009 "%s_dpc", base_vha->host_str);
39a11240 2010 if (IS_ERR(ha->dpc_thread)) {
1da177e4
LT		 2011 qla_printk(KERN_WARNING, ha,
2012 "Unable to start DPC thread!\n");
39a11240 2013 ret = PTR_ERR(ha->dpc_thread);
1da177e4
LT		 2014 goto probe_failed;
2015 }
1da177e4 2016
cbc8eb67 2017skip_dpc:
e315cd28
AC		 2018 list_add_tail(&base_vha->list, &ha->vp_list);
2019 base_vha->host->irq = ha->pdev->irq;
1da177e4
LT		 2020
2021 /* Initialized the timer */
e315cd28 2022 qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
1da177e4
LT		 2023
2024 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
e315cd28 2025 base_vha->host_no, ha));
d19044c3 2026
a1541d5a
AV		 2027 ret = scsi_add_host(host, &pdev->dev);
2028 if (ret)
2029 goto probe_failed;
2030
1486400f
MR		 2031 base_vha->flags.init_done = 1;
2032 base_vha->flags.online = 1;
2033
048feec5
AV		 2034 ha->isp_ops->enable_intrs(ha);
2035
1e99e33a
AV		 2036 scsi_scan_host(host);
2037
e315cd28 2038 qla2x00_alloc_sysfs_attr(base_vha);
a1541d5a 2039
e315cd28 2040 qla2x00_init_host_attr(base_vha);
a1541d5a 2041
e315cd28 2042 qla2x00_dfs_setup(base_vha);
df613b96 2043
1da177e4
LT		 2044 qla_printk(KERN_INFO, ha, "\n"
2045 " QLogic Fibre Channel HBA Driver: %s\n"
2046 " QLogic %s - %s\n"
5433383e
AV		 2047 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
2048 qla2x00_version_str, ha->model_number,
e315cd28
AC		 2049 ha->model_desc ? ha->model_desc : "", pdev->device,
2050 ha->isp_ops->pci_info_str(base_vha, pci_info), pci_name(pdev),
2051 ha->flags.enable_64bit_addressing ? '+' : '-', base_vha->host_no,
2052 ha->isp_ops->fw_version_str(base_vha, fw_str));
1da177e4 2053
1da177e4
LT		 2054 return 0;
2055
6e9f21f3 2056probe_init_failed:
2afa19a9
AC		 2057 qla2x00_free_req_que(ha, req);
2058 qla2x00_free_rsp_que(ha, rsp);
2059 ha->max_req_queues = ha->max_rsp_queues = 0;
6e9f21f3 2060
1da177e4 2061probe_failed:
b9978769
AV		 2062 if (base_vha->timer_active)
2063 qla2x00_stop_timer(base_vha);
2064 base_vha->flags.online = 0;
2065 if (ha->dpc_thread) {
2066 struct task_struct *t = ha->dpc_thread;
2067
2068 ha->dpc_thread = NULL;
2069 kthread_stop(t);
2070 }
2071
e315cd28 2072 qla2x00_free_device(base_vha);
1da177e4 2073
e315cd28 2074 scsi_host_put(base_vha->host);
1da177e4 2075
e315cd28
AC		 2076probe_hw_failed:
2077 if (ha->iobase)
2078 iounmap(ha->iobase);
2079
2080 pci_release_selected_regions(ha->pdev, ha->bars);
2081 kfree(ha);
2082 ha = NULL;
1da177e4 2083
a1541d5a 2084probe_out:
e315cd28 2085 pci_disable_device(pdev);
a1541d5a 2086 return ret;
1da177e4 2087}
1da177e4 2088
4c993f76 2089static void
7ee61397 2090qla2x00_remove_one(struct pci_dev *pdev)
1da177e4 2091{
e315cd28
AC		 2092 scsi_qla_host_t *base_vha, *vha, *temp;
2093 struct qla_hw_data *ha;
2094
2095 base_vha = pci_get_drvdata(pdev);
2096 ha = base_vha->hw;
2097
2098 list_for_each_entry_safe(vha, temp, &ha->vp_list, list) {
2099 if (vha && vha->fc_vport)
2100 fc_vport_terminate(vha->fc_vport);
2101 }
1da177e4 2102
e315cd28 2103 set_bit(UNLOADING, &base_vha->dpc_flags);
1da177e4 2104
b9978769
AV		 2105 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
2106
e315cd28 2107 qla2x00_dfs_remove(base_vha);
c795c1e4 2108
e315cd28 2109 qla84xx_put_chip(base_vha);
c795c1e4 2110
b9978769
AV		 2111 /* Disable timer */
2112 if (base_vha->timer_active)
2113 qla2x00_stop_timer(base_vha);
2114
2115 base_vha->flags.online = 0;
2116
68ca949c
AC		 2117 /* Flush the work queue and remove it */
2118 if (ha->wq) {
2119 flush_workqueue(ha->wq);
2120 destroy_workqueue(ha->wq);
2121 ha->wq = NULL;
2122 }
2123
b9978769
AV		 2124 /* Kill the kernel thread for this host */
2125 if (ha->dpc_thread) {
2126 struct task_struct *t = ha->dpc_thread;
2127
2128 /*
2129 * qla2xxx_wake_dpc checks for ->dpc_thread
2130 * so we need to zero it out.
2131 */
2132 ha->dpc_thread = NULL;
2133 kthread_stop(t);
2134 }
2135
e315cd28 2136 qla2x00_free_sysfs_attr(base_vha);
df613b96 2137
e315cd28 2138 fc_remove_host(base_vha->host);
4d4df193 2139
e315cd28 2140 scsi_remove_host(base_vha->host);
1da177e4 2141
e315cd28 2142 qla2x00_free_device(base_vha);
bdf79621 2143
e315cd28 2144 scsi_host_put(base_vha->host);
1da177e4 2145
e315cd28
AC		 2146 if (ha->iobase)
2147 iounmap(ha->iobase);
1da177e4 2148
73208dfd
AC		 2149 if (ha->mqiobase)
2150 iounmap(ha->mqiobase);
2151
e315cd28
AC		 2152 pci_release_selected_regions(ha->pdev, ha->bars);
2153 kfree(ha);
2154 ha = NULL;
1da177e4 2155
90a86fc0
JC		 2156 pci_disable_pcie_error_reporting(pdev);
2157
665db93b 2158 pci_disable_device(pdev);
1da177e4
LT		 2159 pci_set_drvdata(pdev, NULL);
2160}
1da177e4
LT		 2161
2162static void
e315cd28 2163qla2x00_free_device(scsi_qla_host_t *vha)
1da177e4 2164{
e315cd28 2165 struct qla_hw_data *ha = vha->hw;
1da177e4 2166
85880801
AV		 2167 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
2168
2169 /* Disable timer */
2170 if (vha->timer_active)
2171 qla2x00_stop_timer(vha);
2172
2173 /* Kill the kernel thread for this host */
2174 if (ha->dpc_thread) {
2175 struct task_struct *t = ha->dpc_thread;
2176
2177 /*
2178 * qla2xxx_wake_dpc checks for ->dpc_thread
2179 * so we need to zero it out.
2180 */
2181 ha->dpc_thread = NULL;
2182 kthread_stop(t);
2183 }
2184
2afa19a9
AC		 2185 qla25xx_delete_queues(vha);
2186
df613b96 2187 if (ha->flags.fce_enabled)
e315cd28 2188 qla2x00_disable_fce_trace(vha, NULL, NULL);
df613b96 2189
a7a167bf 2190 if (ha->eft)
e315cd28 2191 qla2x00_disable_eft_trace(vha);
a7a167bf 2192
f6ef3b18 2193 /* Stop currently executing firmware. */
e315cd28 2194 qla2x00_try_to_stop_firmware(vha);
1da177e4 2195
85880801
AV		 2196 vha->flags.online = 0;
2197
f6ef3b18
AV		 2198 /* turn-off interrupts on the card */
2199 if (ha->interrupts_on)
fd34f556 2200 ha->isp_ops->disable_intrs(ha);
f6ef3b18 2201
e315cd28 2202 qla2x00_free_irqs(vha);
1da177e4 2203
e315cd28 2204 qla2x00_mem_free(ha);
73208dfd
AC		 2205
2206 qla2x00_free_queues(ha);
1da177e4
LT		 2207}
2208
d97994dc 2209static inline void
e315cd28 2210qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
d97994dc 2211 int defer)
2212{
d97994dc 2213 struct fc_rport *rport;
67becc00 2214 scsi_qla_host_t *base_vha;
d97994dc 2215
2216 if (!fcport->rport)
2217 return;
2218
2219 rport = fcport->rport;
2220 if (defer) {
67becc00 2221 base_vha = pci_get_drvdata(vha->hw->pdev);
e315cd28 2222 spin_lock_irq(vha->host->host_lock);
d97994dc 2223 fcport->drport = rport;
e315cd28 2224 spin_unlock_irq(vha->host->host_lock);
67becc00
AV		 2225 set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
2226 qla2xxx_wake_dpc(base_vha);
5f3a9a20 2227 } else
d97994dc 2228 fc_remote_port_delete(rport);
d97994dc 2229}
2230
1da177e4
LT		 2231/*
2232 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
2233 *
2234 * Input: ha = adapter block pointer. fcport = port structure pointer.
2235 *
2236 * Return: None.
2237 *
2238 * Context:
2239 */
e315cd28 2240void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
d97994dc 2241 int do_login, int defer)
1da177e4 2242{
2c3dfe3f 2243 if (atomic_read(&fcport->state) == FCS_ONLINE &&
e315cd28
AC		 2244 vha->vp_idx == fcport->vp_idx) {
2245 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2246 qla2x00_schedule_rport_del(vha, fcport, defer);
2247 }
fa2a1ce5 2248 /*
1da177e4
LT		 2249 * We may need to retry the login, so don't change the state of the
2250 * port but do the retries.
2251 */
2252 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
2253 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2254
2255 if (!do_login)
2256 return;
2257
2258 if (fcport->login_retry == 0) {
e315cd28
AC		 2259 fcport->login_retry = vha->hw->login_retry_count;
2260 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1da177e4
LT		 2261
2262 DEBUG(printk("scsi(%ld): Port login retry: "
2263 "%02x%02x%02x%02x%02x%02x%02x%02x, "
2264 "id = 0x%04x retry cnt=%d\n",
e315cd28 2265 vha->host_no,
1da177e4
LT		 2266 fcport->port_name[0],
2267 fcport->port_name[1],
2268 fcport->port_name[2],
2269 fcport->port_name[3],
2270 fcport->port_name[4],
2271 fcport->port_name[5],
2272 fcport->port_name[6],
2273 fcport->port_name[7],
2274 fcport->loop_id,
2275 fcport->login_retry));
2276 }
2277}
2278
2279/*
2280 * qla2x00_mark_all_devices_lost
2281 * Updates fcport state when device goes offline.
2282 *
2283 * Input:
2284 * ha = adapter block pointer.
2285 * fcport = port structure pointer.
2286 *
2287 * Return:
2288 * None.
2289 *
2290 * Context:
2291 */
2292void
e315cd28 2293qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
1da177e4
LT		 2294{
2295 fc_port_t *fcport;
2296
e315cd28 2297 list_for_each_entry(fcport, &vha->vp_fcports, list) {
0d6e61bc 2298 if (vha->vp_idx != 0 && vha->vp_idx != fcport->vp_idx)
1da177e4 2299 continue;
0d6e61bc 2300
1da177e4
LT		 2301 /*
2302 * No point in marking the device as lost, if the device is
2303 * already DEAD.
2304 */
2305 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
2306 continue;
e315cd28 2307 if (atomic_read(&fcport->state) == FCS_ONLINE) {
0d6e61bc
AV		 2308 if (defer)
2309 qla2x00_schedule_rport_del(vha, fcport, defer);
2310 else if (vha->vp_idx == fcport->vp_idx)
2311 qla2x00_schedule_rport_del(vha, fcport, defer);
2312 }
2313 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1da177e4
LT		 2314 }
2315}
2316
2317/*
2318* qla2x00_mem_alloc
2319* Allocates adapter memory.
2320*
2321* Returns:
2322* 0 = success.
e8711085 2323* !0 = failure.
1da177e4 2324*/
e8711085 2325static int
73208dfd
AC		 2326qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
2327 struct req_que **req, struct rsp_que **rsp)
1da177e4
LT		 2328{
2329 char name[16];
1da177e4 2330
e8711085 2331 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
e315cd28 2332 &ha->init_cb_dma, GFP_KERNEL);
e8711085 2333 if (!ha->init_cb)
e315cd28 2334 goto fail;
e8711085 2335
e315cd28
AC		 2336 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2337 &ha->gid_list_dma, GFP_KERNEL);
2338 if (!ha->gid_list)
e8711085 2339 goto fail_free_init_cb;
1da177e4 2340
e8711085
AV		 2341 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2342 if (!ha->srb_mempool)
e315cd28 2343 goto fail_free_gid_list;
e8711085
AV		 2344
2345 /* Get memory for cached NVRAM */
2346 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2347 if (!ha->nvram)
2348 goto fail_free_srb_mempool;
2349
e315cd28
AC		 2350 snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
2351 ha->pdev->device);
2352 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2353 DMA_POOL_SIZE, 8, 0);
2354 if (!ha->s_dma_pool)
2355 goto fail_free_nvram;
2356
e8711085
AV		 2357 /* Allocate memory for SNS commands */
2358 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
e315cd28 2359 /* Get consistent memory allocated for SNS commands */
e8711085 2360 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
e315cd28 2361 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
e8711085 2362 if (!ha->sns_cmd)
e315cd28 2363 goto fail_dma_pool;
e8711085 2364 } else {
e315cd28 2365 /* Get consistent memory allocated for MS IOCB */
e8711085 2366 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
e315cd28 2367 &ha->ms_iocb_dma);
e8711085 2368 if (!ha->ms_iocb)
e315cd28
AC		 2369 goto fail_dma_pool;
2370 /* Get consistent memory allocated for CT SNS commands */
e8711085 2371 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
e315cd28 2372 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
e8711085
AV		 2373 if (!ha->ct_sns)
2374 goto fail_free_ms_iocb;
1da177e4
LT		 2375 }
2376
e315cd28 2377 /* Allocate memory for request ring */
73208dfd
AC		 2378 *req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
2379 if (!*req) {
e315cd28
AC		 2380 DEBUG(printk("Unable to allocate memory for req\n"));
2381 goto fail_req;
2382 }
73208dfd
AC		 2383 (*req)->length = req_len;
2384 (*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
2385 ((*req)->length + 1) * sizeof(request_t),
2386 &(*req)->dma, GFP_KERNEL);
2387 if (!(*req)->ring) {
e315cd28
AC		 2388 DEBUG(printk("Unable to allocate memory for req_ring\n"));
2389 goto fail_req_ring;
2390 }
2391 /* Allocate memory for response ring */
73208dfd
AC		 2392 *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
2393 if (!*rsp) {
2394 qla_printk(KERN_WARNING, ha,
2395 "Unable to allocate memory for rsp\n");
e315cd28
AC		 2396 goto fail_rsp;
2397 }
73208dfd
AC		 2398 (*rsp)->hw = ha;
2399 (*rsp)->length = rsp_len;
2400 (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
2401 ((*rsp)->length + 1) * sizeof(response_t),
2402 &(*rsp)->dma, GFP_KERNEL);
2403 if (!(*rsp)->ring) {
2404 qla_printk(KERN_WARNING, ha,
2405 "Unable to allocate memory for rsp_ring\n");
e315cd28
AC		 2406 goto fail_rsp_ring;
2407 }
73208dfd
AC		 2408 (*req)->rsp = *rsp;
2409 (*rsp)->req = *req;
2410 /* Allocate memory for NVRAM data for vports */
2411 if (ha->nvram_npiv_size) {
2412 ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
2413 ha->nvram_npiv_size, GFP_KERNEL);
2414 if (!ha->npiv_info) {
2415 qla_printk(KERN_WARNING, ha,
2416 "Unable to allocate memory for npiv info\n");
2417 goto fail_npiv_info;
2418 }
2419 } else
2420 ha->npiv_info = NULL;
e8711085 2421
b64b0e8f
AV		 2422 /* Get consistent memory allocated for EX-INIT-CB. */
2423 if (IS_QLA81XX(ha)) {
2424 ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2425 &ha->ex_init_cb_dma);
2426 if (!ha->ex_init_cb)
2427 goto fail_ex_init_cb;
2428 }
2429
e315cd28
AC		 2430 INIT_LIST_HEAD(&ha->vp_list);
2431 return 1;
2432
b64b0e8f
AV		 2433fail_ex_init_cb:
2434 kfree(ha->npiv_info);
73208dfd
AC		 2435fail_npiv_info:
2436 dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
2437 sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
2438 (*rsp)->ring = NULL;
2439 (*rsp)->dma = 0;
e315cd28 2440fail_rsp_ring:
73208dfd 2441 kfree(*rsp);
e315cd28 2442fail_rsp:
73208dfd
AC		 2443 dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
2444 sizeof(request_t), (*req)->ring, (*req)->dma);
2445 (*req)->ring = NULL;
2446 (*req)->dma = 0;
e315cd28 2447fail_req_ring:
73208dfd 2448 kfree(*req);
e315cd28
AC		 2449fail_req:
2450 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2451 ha->ct_sns, ha->ct_sns_dma);
2452 ha->ct_sns = NULL;
2453 ha->ct_sns_dma = 0;
e8711085
AV		 2454fail_free_ms_iocb:
2455 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2456 ha->ms_iocb = NULL;
2457 ha->ms_iocb_dma = 0;
e315cd28
AC		 2458fail_dma_pool:
2459 dma_pool_destroy(ha->s_dma_pool);
2460 ha->s_dma_pool = NULL;
e8711085
AV		 2461fail_free_nvram:
2462 kfree(ha->nvram);
2463 ha->nvram = NULL;
2464fail_free_srb_mempool:
2465 mempool_destroy(ha->srb_mempool);
2466 ha->srb_mempool = NULL;
e8711085
AV		 2467fail_free_gid_list:
2468 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
e315cd28 2469 ha->gid_list_dma);
e8711085
AV		 2470 ha->gid_list = NULL;
2471 ha->gid_list_dma = 0;
e315cd28
AC		 2472fail_free_init_cb:
2473 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
2474 ha->init_cb_dma);
2475 ha->init_cb = NULL;
2476 ha->init_cb_dma = 0;
e8711085 2477fail:
e315cd28 2478 DEBUG(printk("%s: Memory allocation failure\n", __func__));
e8711085 2479 return -ENOMEM;
1da177e4
LT		 2480}
2481
2482/*
2483* qla2x00_mem_free
2484* Frees all adapter allocated memory.
2485*
2486* Input:
2487* ha = adapter block pointer.
2488*/
a824ebb3 2489static void
e315cd28 2490qla2x00_mem_free(struct qla_hw_data *ha)
1da177e4 2491{
e8711085
AV		 2492 if (ha->srb_mempool)
2493 mempool_destroy(ha->srb_mempool);
1da177e4 2494
df613b96
AV		 2495 if (ha->fce)
2496 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
e315cd28 2497 ha->fce_dma);
df613b96 2498
a7a167bf
AV		 2499 if (ha->fw_dump) {
2500 if (ha->eft)
2501 dma_free_coherent(&ha->pdev->dev,
e315cd28 2502 ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
a7a167bf
AV		 2503 vfree(ha->fw_dump);
2504 }
2505
11bbc1d8
AV		 2506 if (ha->dcbx_tlv)
2507 dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
2508 ha->dcbx_tlv, ha->dcbx_tlv_dma);
2509
ce0423f4
AV		 2510 if (ha->xgmac_data)
2511 dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
2512 ha->xgmac_data, ha->xgmac_data_dma);
2513
1da177e4
LT		 2514 if (ha->sns_cmd)
2515 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
e315cd28 2516 ha->sns_cmd, ha->sns_cmd_dma);
1da177e4
LT		 2517
2518 if (ha->ct_sns)
2519 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
e315cd28 2520 ha->ct_sns, ha->ct_sns_dma);
1da177e4 2521
88729e53
AV		 2522 if (ha->sfp_data)
2523 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2524
ad0ecd61
JC		 2525 if (ha->edc_data)
2526 dma_pool_free(ha->s_dma_pool, ha->edc_data, ha->edc_data_dma);
2527
1da177e4
LT		 2528 if (ha->ms_iocb)
2529 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2530
b64b0e8f
AV		 2531 if (ha->ex_init_cb)
2532 dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
2533
1da177e4
LT		 2534 if (ha->s_dma_pool)
2535 dma_pool_destroy(ha->s_dma_pool);
2536
1da177e4
LT		 2537 if (ha->gid_list)
2538 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
e315cd28 2539 ha->gid_list_dma);
1da177e4 2540
e315cd28
AC		 2541 if (ha->init_cb)
2542 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2543 ha->init_cb, ha->init_cb_dma);
2544 vfree(ha->optrom_buffer);
2545 kfree(ha->nvram);
73208dfd 2546 kfree(ha->npiv_info);
1da177e4 2547
e8711085 2548 ha->srb_mempool = NULL;
a7a167bf
AV		 2549 ha->eft = NULL;
2550 ha->eft_dma = 0;
1da177e4
LT		 2551 ha->sns_cmd = NULL;
2552 ha->sns_cmd_dma = 0;
2553 ha->ct_sns = NULL;
2554 ha->ct_sns_dma = 0;
2555 ha->ms_iocb = NULL;
2556 ha->ms_iocb_dma = 0;
1da177e4
LT		 2557 ha->init_cb = NULL;
2558 ha->init_cb_dma = 0;
b64b0e8f
AV		 2559 ha->ex_init_cb = NULL;
2560 ha->ex_init_cb_dma = 0;
1da177e4
LT		 2561
2562 ha->s_dma_pool = NULL;
2563
1da177e4
LT		 2564 ha->gid_list = NULL;
2565 ha->gid_list_dma = 0;
2566
e315cd28
AC		 2567 ha->fw_dump = NULL;
2568 ha->fw_dumped = 0;
2569 ha->fw_dump_reading = 0;
e315cd28 2570}
1da177e4 2571
e315cd28
AC		 2572struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
2573 struct qla_hw_data *ha)
2574{
2575 struct Scsi_Host *host;
2576 struct scsi_qla_host *vha = NULL;
854165f4 2577
e315cd28
AC		 2578 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
2579 if (host == NULL) {
2580 printk(KERN_WARNING
2581 "qla2xxx: Couldn't allocate host from scsi layer!\n");
2582 goto fail;
2583 }
2584
2585 /* Clear our data area */
2586 vha = shost_priv(host);
2587 memset(vha, 0, sizeof(scsi_qla_host_t));
2588
2589 vha->host = host;
2590 vha->host_no = host->host_no;
2591 vha->hw = ha;
2592
2593 INIT_LIST_HEAD(&vha->vp_fcports);
2594 INIT_LIST_HEAD(&vha->work_list);
2595 INIT_LIST_HEAD(&vha->list);
2596
f999f4c1
AV		 2597 spin_lock_init(&vha->work_lock);
2598
e315cd28
AC		 2599 sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
2600 return vha;
2601
2602fail:
2603 return vha;
1da177e4
LT		 2604}
2605
01ef66bb 2606static struct qla_work_evt *
f999f4c1 2607qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
0971de7f
AV		 2608{
2609 struct qla_work_evt *e;
2610
f999f4c1 2611 e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
0971de7f
AV		 2612 if (!e)
2613 return NULL;
2614
2615 INIT_LIST_HEAD(&e->list);
2616 e->type = type;
2617 e->flags = QLA_EVT_FLAG_FREE;
2618 return e;
2619}
2620
01ef66bb 2621static int
f999f4c1 2622qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
0971de7f 2623{
f999f4c1 2624 unsigned long flags;
0971de7f 2625
f999f4c1 2626 spin_lock_irqsave(&vha->work_lock, flags);
e315cd28 2627 list_add_tail(&e->list, &vha->work_list);
f999f4c1 2628 spin_unlock_irqrestore(&vha->work_lock, flags);
e315cd28 2629 qla2xxx_wake_dpc(vha);
f999f4c1 2630
0971de7f
AV		 2631 return QLA_SUCCESS;
2632}
2633
2634int
e315cd28 2635qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
0971de7f
AV		 2636 u32 data)
2637{
2638 struct qla_work_evt *e;
2639
f999f4c1 2640 e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
0971de7f
AV		 2641 if (!e)
2642 return QLA_FUNCTION_FAILED;
2643
2644 e->u.aen.code = code;
2645 e->u.aen.data = data;
f999f4c1 2646 return qla2x00_post_work(vha, e);
0971de7f
AV		 2647}
2648
8a659571
AV		 2649int
2650qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
2651{
2652 struct qla_work_evt *e;
2653
f999f4c1 2654 e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
8a659571
AV		 2655 if (!e)
2656 return QLA_FUNCTION_FAILED;
2657
2658 memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
f999f4c1 2659 return qla2x00_post_work(vha, e);
8a659571
AV		 2660}
2661
ac280b67
AV		 2662#define qla2x00_post_async_work(name, type) \
2663int qla2x00_post_async_##name##_work( \
2664 struct scsi_qla_host *vha, \
2665 fc_port_t *fcport, uint16_t *data) \
2666{ \
2667 struct qla_work_evt *e; \
2668 \
2669 e = qla2x00_alloc_work(vha, type); \
2670 if (!e) \
2671 return QLA_FUNCTION_FAILED; \
2672 \
2673 e->u.logio.fcport = fcport; \
2674 if (data) { \
2675 e->u.logio.data[0] = data[0]; \
2676 e->u.logio.data[1] = data[1]; \
2677 } \
2678 return qla2x00_post_work(vha, e); \
2679}
2680
2681qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
2682qla2x00_post_async_work(login_done, QLA_EVT_ASYNC_LOGIN_DONE);
2683qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
2684qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE);
2685
3420d36c
AV		 2686int
2687qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
2688{
2689 struct qla_work_evt *e;
2690
2691 e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
2692 if (!e)
2693 return QLA_FUNCTION_FAILED;
2694
2695 e->u.uevent.code = code;
2696 return qla2x00_post_work(vha, e);
2697}
2698
2699static void
2700qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
2701{
2702 char event_string[40];
2703 char *envp[] = { event_string, NULL };
2704
2705 switch (code) {
2706 case QLA_UEVENT_CODE_FW_DUMP:
2707 snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld",
2708 vha->host_no);
2709 break;
2710 default:
2711 /* do nothing */
2712 break;
2713 }
2714 kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
2715}
2716
ac280b67 2717void
e315cd28 2718qla2x00_do_work(struct scsi_qla_host *vha)
0971de7f 2719{
f999f4c1
AV		 2720 struct qla_work_evt *e, *tmp;
2721 unsigned long flags;
2722 LIST_HEAD(work);
0971de7f 2723
f999f4c1
AV		 2724 spin_lock_irqsave(&vha->work_lock, flags);
2725 list_splice_init(&vha->work_list, &work);
2726 spin_unlock_irqrestore(&vha->work_lock, flags);
2727
2728 list_for_each_entry_safe(e, tmp, &work, list) {
0971de7f 2729 list_del_init(&e->list);
0971de7f
AV		 2730
2731 switch (e->type) {
2732 case QLA_EVT_AEN:
e315cd28 2733 fc_host_post_event(vha->host, fc_get_event_number(),
0971de7f
AV		 2734 e->u.aen.code, e->u.aen.data);
2735 break;
8a659571
AV		 2736 case QLA_EVT_IDC_ACK:
2737 qla81xx_idc_ack(vha, e->u.idc_ack.mb);
2738 break;
ac280b67
AV		 2739 case QLA_EVT_ASYNC_LOGIN:
2740 qla2x00_async_login(vha, e->u.logio.fcport,
2741 e->u.logio.data);
2742 break;
2743 case QLA_EVT_ASYNC_LOGIN_DONE:
2744 qla2x00_async_login_done(vha, e->u.logio.fcport,
2745 e->u.logio.data);
2746 break;
2747 case QLA_EVT_ASYNC_LOGOUT:
2748 qla2x00_async_logout(vha, e->u.logio.fcport);
2749 break;
2750 case QLA_EVT_ASYNC_LOGOUT_DONE:
2751 qla2x00_async_logout_done(vha, e->u.logio.fcport,
2752 e->u.logio.data);
2753 break;
3420d36c
AV		 2754 case QLA_EVT_UEVENT:
2755 qla2x00_uevent_emit(vha, e->u.uevent.code);
2756 break;
0971de7f
AV		 2757 }
2758 if (e->flags & QLA_EVT_FLAG_FREE)
2759 kfree(e);
e315cd28 2760 }
e315cd28 2761}
f999f4c1 2762
e315cd28
AC		 2763/* Relogins all the fcports of a vport
2764 * Context: dpc thread
2765 */
2766void qla2x00_relogin(struct scsi_qla_host *vha)
2767{
2768 fc_port_t *fcport;
c6b2fca8 2769 int status;
e315cd28
AC		 2770 uint16_t next_loopid = 0;
2771 struct qla_hw_data *ha = vha->hw;
ac280b67 2772 uint16_t data[2];
e315cd28
AC		 2773
2774 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2775 /*
2776 * If the port is not ONLINE then try to login
2777 * to it if we haven't run out of retries.
2778 */
2779 if (atomic_read(&fcport->state) !=
2780 FCS_ONLINE && fcport->login_retry) {
2781
ac280b67 2782 fcport->login_retry--;
e315cd28 2783 if (fcport->flags & FCF_FABRIC_DEVICE) {
f08b7251 2784 if (fcport->flags & FCF_FCP2_DEVICE)
e315cd28
AC		 2785 ha->isp_ops->fabric_logout(vha,
2786 fcport->loop_id,
2787 fcport->d_id.b.domain,
2788 fcport->d_id.b.area,
2789 fcport->d_id.b.al_pa);
2790
ac280b67
AV		 2791 if (IS_ALOGIO_CAPABLE(ha)) {
2792 data[0] = 0;
2793 data[1] = QLA_LOGIO_LOGIN_RETRIED;
2794 status = qla2x00_post_async_login_work(
2795 vha, fcport, data);
2796 if (status == QLA_SUCCESS)
2797 continue;
2798 /* Attempt a retry. */
2799 status = 1;
2800 } else
2801 status = qla2x00_fabric_login(vha,
2802 fcport, &next_loopid);
e315cd28
AC		 2803 } else
2804 status = qla2x00_local_device_login(vha,
2805 fcport);
2806
e315cd28
AC		 2807 if (status == QLA_SUCCESS) {
2808 fcport->old_loop_id = fcport->loop_id;
2809
2810 DEBUG(printk("scsi(%ld): port login OK: logged "
2811 "in ID 0x%x\n", vha->host_no, fcport->loop_id));
2812
2813 qla2x00_update_fcport(vha, fcport);
2814
2815 } else if (status == 1) {
2816 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2817 /* retry the login again */
2818 DEBUG(printk("scsi(%ld): Retrying"
2819 " %d login again loop_id 0x%x\n",
2820 vha->host_no, fcport->login_retry,
2821 fcport->loop_id));
2822 } else {
2823 fcport->login_retry = 0;
2824 }
2825
2826 if (fcport->login_retry == 0 && status != QLA_SUCCESS)
2827 fcport->loop_id = FC_NO_LOOP_ID;
2828 }
2829 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2830 break;
0971de7f 2831 }
0971de7f
AV		 2832}
2833
1da177e4
LT		 2834/**************************************************************************
2835* qla2x00_do_dpc
2836* This kernel thread is a task that is schedule by the interrupt handler
2837* to perform the background processing for interrupts.
2838*
2839* Notes:
2840* This task always run in the context of a kernel thread. It
2841* is kick-off by the driver's detect code and starts up
2842* up one per adapter. It immediately goes to sleep and waits for
2843* some fibre event. When either the interrupt handler or
2844* the timer routine detects a event it will one of the task
2845* bits then wake us up.
2846**************************************************************************/
2847static int
2848qla2x00_do_dpc(void *data)
2849{
2c3dfe3f 2850 int rval;
e315cd28
AC		 2851 scsi_qla_host_t *base_vha;
2852 struct qla_hw_data *ha;
1da177e4 2853
e315cd28
AC		 2854 ha = (struct qla_hw_data *)data;
2855 base_vha = pci_get_drvdata(ha->pdev);
1da177e4 2856
1da177e4
LT		 2857 set_user_nice(current, -20);
2858
39a11240 2859 while (!kthread_should_stop()) {
1da177e4
LT		 2860 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2861
39a11240
CH		 2862 set_current_state(TASK_INTERRUPTIBLE);
2863 schedule();
2864 __set_current_state(TASK_RUNNING);
1da177e4
LT		 2865
2866 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2867
2868 /* Initialization not yet finished. Don't do anything yet. */
e315cd28 2869 if (!base_vha->flags.init_done)
1da177e4
LT		 2870 continue;
2871
85880801
AV		 2872 if (ha->flags.eeh_busy) {
2873 DEBUG17(qla_printk(KERN_WARNING, ha,
2874 "qla2x00_do_dpc: dpc_flags: %lx\n",
2875 base_vha->dpc_flags));
2876 continue;
2877 }
2878
e315cd28 2879 DEBUG3(printk("scsi(%ld): DPC handler\n", base_vha->host_no));
1da177e4
LT		 2880
2881 ha->dpc_active = 1;
2882
1da177e4 2883 if (ha->flags.mbox_busy) {
1da177e4
LT		 2884 ha->dpc_active = 0;
2885 continue;
2886 }
2887
e315cd28 2888 qla2x00_do_work(base_vha);
0971de7f 2889
e315cd28
AC		 2890 if (test_and_clear_bit(ISP_ABORT_NEEDED,
2891 &base_vha->dpc_flags)) {
1da177e4
LT		 2892
2893 DEBUG(printk("scsi(%ld): dpc: sched "
2894 "qla2x00_abort_isp ha = %p\n",
e315cd28 2895 base_vha->host_no, ha));
1da177e4 2896 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
e315cd28 2897 &base_vha->dpc_flags))) {
1da177e4 2898
e315cd28 2899 if (qla2x00_abort_isp(base_vha)) {
1da177e4
LT		 2900 /* failed. retry later */
2901 set_bit(ISP_ABORT_NEEDED,
e315cd28 2902 &base_vha->dpc_flags);
99363ef8 2903 }
e315cd28
AC		 2904 clear_bit(ABORT_ISP_ACTIVE,
2905 &base_vha->dpc_flags);
99363ef8
SJ		 2906 }
2907
1da177e4 2908 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
e315cd28 2909 base_vha->host_no));
1da177e4
LT		 2910 }
2911
e315cd28
AC		 2912 if (test_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags)) {
2913 qla2x00_update_fcports(base_vha);
2914 clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
c9c5ced9 2915 }
d97994dc 2916
e315cd28
AC		 2917 if (test_and_clear_bit(RESET_MARKER_NEEDED,
2918 &base_vha->dpc_flags) &&
2919 (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
1da177e4
LT		 2920
2921 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
e315cd28 2922 base_vha->host_no));
1da177e4 2923
e315cd28
AC		 2924 qla2x00_rst_aen(base_vha);
2925 clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
1da177e4
LT		 2926 }
2927
2928 /* Retry each device up to login retry count */
e315cd28
AC		 2929 if ((test_and_clear_bit(RELOGIN_NEEDED,
2930 &base_vha->dpc_flags)) &&
2931 !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
2932 atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
1da177e4
LT		 2933
2934 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
e315cd28
AC		 2935 base_vha->host_no));
2936 qla2x00_relogin(base_vha);
2937
1da177e4 2938 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
e315cd28 2939 base_vha->host_no));
1da177e4
LT		 2940 }
2941
e315cd28
AC		 2942 if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
2943 &base_vha->dpc_flags)) {
1da177e4
LT		 2944
2945 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
e315cd28 2946 base_vha->host_no));
1da177e4
LT		 2947
2948 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
e315cd28 2949 &base_vha->dpc_flags))) {
1da177e4 2950
e315cd28 2951 rval = qla2x00_loop_resync(base_vha);
1da177e4 2952
e315cd28
AC		 2953 clear_bit(LOOP_RESYNC_ACTIVE,
2954 &base_vha->dpc_flags);
1da177e4
LT		 2955 }
2956
2957 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
e315cd28 2958 base_vha->host_no));
1da177e4
LT		 2959 }
2960
e315cd28
AC		 2961 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
2962 atomic_read(&base_vha->loop_state) == LOOP_READY) {
2963 clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
2964 qla2xxx_flash_npiv_conf(base_vha);
272976ca
AV		 2965 }
2966
1da177e4 2967 if (!ha->interrupts_on)
fd34f556 2968 ha->isp_ops->enable_intrs(ha);
1da177e4 2969
e315cd28
AC		 2970 if (test_and_clear_bit(BEACON_BLINK_NEEDED,
2971 &base_vha->dpc_flags))
2972 ha->isp_ops->beacon_blink(base_vha);
f6df144c 2973
e315cd28 2974 qla2x00_do_dpc_all_vps(base_vha);
2c3dfe3f 2975
1da177e4
LT		 2976 ha->dpc_active = 0;
2977 } /* End of while(1) */
2978
e315cd28 2979 DEBUG(printk("scsi(%ld): DPC handler exiting\n", base_vha->host_no));
1da177e4
LT		 2980
2981 /*
2982 * Make sure that nobody tries to wake us up again.
2983 */
1da177e4
LT		 2984 ha->dpc_active = 0;
2985
ac280b67
AV		 2986 /* Cleanup any residual CTX SRBs. */
2987 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
2988
39a11240
CH		 2989 return 0;
2990}
2991
2992void
e315cd28 2993qla2xxx_wake_dpc(struct scsi_qla_host *vha)
39a11240 2994{
e315cd28 2995 struct qla_hw_data *ha = vha->hw;
c795c1e4
AV		 2996 struct task_struct *t = ha->dpc_thread;
2997
e315cd28 2998 if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
c795c1e4 2999 wake_up_process(t);
1da177e4
LT		 3000}
3001
1da177e4
LT		 3002/*
3003* qla2x00_rst_aen
3004* Processes asynchronous reset.
3005*
3006* Input:
3007* ha = adapter block pointer.
3008*/
3009static void
e315cd28 3010qla2x00_rst_aen(scsi_qla_host_t *vha)
1da177e4 3011{
e315cd28
AC		 3012 if (vha->flags.online && !vha->flags.reset_active &&
3013 !atomic_read(&vha->loop_down_timer) &&
3014 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
1da177e4 3015 do {
e315cd28 3016 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
1da177e4
LT		 3017
3018 /*
3019 * Issue marker command only when we are going to start
3020 * the I/O.
3021 */
e315cd28
AC		 3022 vha->marker_needed = 1;
3023 } while (!atomic_read(&vha->loop_down_timer) &&
3024 (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
1da177e4
LT		 3025 }
3026}
3027
f4f051eb 3028static void
e315cd28 3029qla2x00_sp_free_dma(srb_t *sp)
f4f051eb 3030{
3031 struct scsi_cmnd *cmd = sp->cmd;
3032
3033 if (sp->flags & SRB_DMA_VALID) {
385d70b4 3034 scsi_dma_unmap(cmd);
f4f051eb 3035 sp->flags &= ~SRB_DMA_VALID;
3036 }
fca29703 3037 CMD_SP(cmd) = NULL;
f4f051eb 3038}
3039
3040void
73208dfd 3041qla2x00_sp_compl(struct qla_hw_data *ha, srb_t *sp)
f4f051eb 3042{
3043 struct scsi_cmnd *cmd = sp->cmd;
3044
e315cd28 3045 qla2x00_sp_free_dma(sp);
f4f051eb 3046
f4f051eb 3047 mempool_free(sp, ha->srb_mempool);
3048
3049 cmd->scsi_done(cmd);
3050}
bdf79621 3051
1da177e4
LT		 3052/**************************************************************************
3053* qla2x00_timer
3054*
3055* Description:
3056* One second timer
3057*
3058* Context: Interrupt
3059***************************************************************************/
2c3dfe3f 3060void
e315cd28 3061qla2x00_timer(scsi_qla_host_t *vha)
1da177e4 3062{
1da177e4
LT		 3063 unsigned long cpu_flags = 0;
3064 fc_port_t *fcport;
1da177e4
LT		 3065 int start_dpc = 0;
3066 int index;
3067 srb_t *sp;
f4f051eb 3068 int t;
85880801 3069 uint16_t w;
e315cd28 3070 struct qla_hw_data *ha = vha->hw;
73208dfd 3071 struct req_que *req;
85880801
AV		 3072
3073 /* Hardware read to raise pending EEH errors during mailbox waits. */
3074 if (!pci_channel_offline(ha->pdev))
3075 pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
1da177e4
LT		 3076 /*
3077 * Ports - Port down timer.
3078 *
3079 * Whenever, a port is in the LOST state we start decrementing its port
3080 * down timer every second until it reaches zero. Once it reaches zero
fa2a1ce5 3081 * the port it marked DEAD.
1da177e4
LT		 3082 */
3083 t = 0;
e315cd28 3084 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1da177e4
LT		 3085 if (fcport->port_type != FCT_TARGET)
3086 continue;
3087
3088 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
3089
3090 if (atomic_read(&fcport->port_down_timer) == 0)
3091 continue;
3092
fa2a1ce5 3093 if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
1da177e4 3094 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
fa2a1ce5 3095
1da177e4 3096 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
fca29703 3097 "%d remaining\n",
e315cd28 3098 vha->host_no,
1da177e4
LT		 3099 t, atomic_read(&fcport->port_down_timer)));
3100 }
3101 t++;
3102 } /* End of for fcport */
3103
1da177e4
LT		 3104
3105 /* Loop down handler. */
e315cd28
AC		 3106 if (atomic_read(&vha->loop_down_timer) > 0 &&
3107 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
3108 && vha->flags.online) {
1da177e4 3109
e315cd28
AC		 3110 if (atomic_read(&vha->loop_down_timer) ==
3111 vha->loop_down_abort_time) {
1da177e4
LT		 3112
3113 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
3114 "queues before time expire\n",
e315cd28 3115 vha->host_no));
1da177e4 3116
e315cd28
AC		 3117 if (!IS_QLA2100(ha) && vha->link_down_timeout)
3118 atomic_set(&vha->loop_state, LOOP_DEAD);
1da177e4 3119
f08b7251
AV		 3120 /*
3121 * Schedule an ISP abort to return any FCP2-device
3122 * commands.
3123 */
2c3dfe3f 3124 /* NPIV - scan physical port only */
e315cd28 3125 if (!vha->vp_idx) {
2c3dfe3f
SJ		 3126 spin_lock_irqsave(&ha->hardware_lock,
3127 cpu_flags);
73208dfd 3128 req = ha->req_q_map[0];
2c3dfe3f
SJ		 3129 for (index = 1;
3130 index < MAX_OUTSTANDING_COMMANDS;
3131 index++) {
3132 fc_port_t *sfcp;
3133
e315cd28 3134 sp = req->outstanding_cmds[index];
2c3dfe3f
SJ		 3135 if (!sp)
3136 continue;
cf53b069
AV		 3137 if (sp->ctx)
3138 continue;
2c3dfe3f 3139 sfcp = sp->fcport;
f08b7251 3140 if (!(sfcp->flags & FCF_FCP2_DEVICE))
2c3dfe3f 3141 continue;
bdf79621 3142
2c3dfe3f 3143 set_bit(ISP_ABORT_NEEDED,
e315cd28 3144 &vha->dpc_flags);
2c3dfe3f
SJ		 3145 break;
3146 }
3147 spin_unlock_irqrestore(&ha->hardware_lock,
e315cd28 3148 cpu_flags);
1da177e4 3149 }
1da177e4
LT		 3150 start_dpc++;
3151 }
3152
3153 /* if the loop has been down for 4 minutes, reinit adapter */
e315cd28 3154 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
0d6e61bc 3155 if (!(vha->device_flags & DFLG_NO_CABLE)) {
1da177e4
LT		 3156 DEBUG(printk("scsi(%ld): Loop down - "
3157 "aborting ISP.\n",
e315cd28 3158 vha->host_no));
1da177e4
LT		 3159 qla_printk(KERN_WARNING, ha,
3160 "Loop down - aborting ISP.\n");
3161
e315cd28 3162 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 3163 }
3164 }
fca29703 3165 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
e315cd28
AC		 3166 vha->host_no,
3167 atomic_read(&vha->loop_down_timer)));
1da177e4
LT		 3168 }
3169
f6df144c 3170 /* Check if beacon LED needs to be blinked */
3171 if (ha->beacon_blink_led == 1) {
e315cd28 3172 set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
f6df144c 3173 start_dpc++;
3174 }
3175
550bf57d 3176 /* Process any deferred work. */
e315cd28 3177 if (!list_empty(&vha->work_list))
550bf57d
AV		 3178 start_dpc++;
3179
1da177e4 3180 /* Schedule the DPC routine if needed */
e315cd28
AC		 3181 if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
3182 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
3183 test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
1da177e4 3184 start_dpc ||
e315cd28
AC		 3185 test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
3186 test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
3187 test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
3188 test_bit(RELOGIN_NEEDED, &vha->dpc_flags)))
3189 qla2xxx_wake_dpc(vha);
1da177e4 3190
e315cd28 3191 qla2x00_restart_timer(vha, WATCH_INTERVAL);
1da177e4
LT		 3192}
3193
5433383e
AV		 3194/* Firmware interface routines. */
3195
3a03eb79 3196#define FW_BLOBS 7
5433383e
AV		 3197#define FW_ISP21XX 0
3198#define FW_ISP22XX 1
3199#define FW_ISP2300 2
3200#define FW_ISP2322 3
48c02fde 3201#define FW_ISP24XX 4
c3a2f0df 3202#define FW_ISP25XX 5
3a03eb79 3203#define FW_ISP81XX 6
5433383e 3204
bb8ee499
AV		 3205#define FW_FILE_ISP21XX "ql2100_fw.bin"
3206#define FW_FILE_ISP22XX "ql2200_fw.bin"
3207#define FW_FILE_ISP2300 "ql2300_fw.bin"
3208#define FW_FILE_ISP2322 "ql2322_fw.bin"
3209#define FW_FILE_ISP24XX "ql2400_fw.bin"
c3a2f0df 3210#define FW_FILE_ISP25XX "ql2500_fw.bin"
3a03eb79 3211#define FW_FILE_ISP81XX "ql8100_fw.bin"
bb8ee499 3212
e1e82b6f 3213static DEFINE_MUTEX(qla_fw_lock);
5433383e
AV		 3214
3215static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
bb8ee499
AV		 3216 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
3217 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
3218 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
3219 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
3220 { .name = FW_FILE_ISP24XX, },
c3a2f0df 3221 { .name = FW_FILE_ISP25XX, },
3a03eb79 3222 { .name = FW_FILE_ISP81XX, },
5433383e
AV		 3223};
3224
3225struct fw_blob *
e315cd28 3226qla2x00_request_firmware(scsi_qla_host_t *vha)
5433383e 3227{
e315cd28 3228 struct qla_hw_data *ha = vha->hw;
5433383e
AV		 3229 struct fw_blob *blob;
3230
3231 blob = NULL;
3232 if (IS_QLA2100(ha)) {
3233 blob = &qla_fw_blobs[FW_ISP21XX];
3234 } else if (IS_QLA2200(ha)) {
3235 blob = &qla_fw_blobs[FW_ISP22XX];
48c02fde 3236 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
5433383e 3237 blob = &qla_fw_blobs[FW_ISP2300];
48c02fde 3238 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
5433383e 3239 blob = &qla_fw_blobs[FW_ISP2322];
4d4df193 3240 } else if (IS_QLA24XX_TYPE(ha)) {
5433383e 3241 blob = &qla_fw_blobs[FW_ISP24XX];
c3a2f0df
AV		 3242 } else if (IS_QLA25XX(ha)) {
3243 blob = &qla_fw_blobs[FW_ISP25XX];
3a03eb79
AV		 3244 } else if (IS_QLA81XX(ha)) {
3245 blob = &qla_fw_blobs[FW_ISP81XX];
5433383e
AV		 3246 }
3247
e1e82b6f 3248 mutex_lock(&qla_fw_lock);
5433383e
AV		 3249 if (blob->fw)
3250 goto out;
3251
3252 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
3253 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
e315cd28 3254 "(%s).\n", vha->host_no, blob->name));
5433383e
AV		 3255 blob->fw = NULL;
3256 blob = NULL;
3257 goto out;
3258 }
3259
3260out:
e1e82b6f 3261 mutex_unlock(&qla_fw_lock);
5433383e
AV		 3262 return blob;
3263}
3264
3265static void
3266qla2x00_release_firmware(void)
3267{
3268 int idx;
3269
e1e82b6f 3270 mutex_lock(&qla_fw_lock);
5433383e
AV		 3271 for (idx = 0; idx < FW_BLOBS; idx++)
3272 if (qla_fw_blobs[idx].fw)
3273 release_firmware(qla_fw_blobs[idx].fw);
e1e82b6f 3274 mutex_unlock(&qla_fw_lock);
5433383e
AV		 3275}
3276
14e660e6
SJ		 3277static pci_ers_result_t
3278qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
3279{
85880801
AV		 3280 scsi_qla_host_t *vha = pci_get_drvdata(pdev);
3281 struct qla_hw_data *ha = vha->hw;
3282
3283 DEBUG2(qla_printk(KERN_WARNING, ha, "error_detected:state %x\n",
3284 state));
b9b12f73 3285
14e660e6
SJ		 3286 switch (state) {
3287 case pci_channel_io_normal:
85880801 3288 ha->flags.eeh_busy = 0;
14e660e6
SJ		 3289 return PCI_ERS_RESULT_CAN_RECOVER;
3290 case pci_channel_io_frozen:
85880801 3291 ha->flags.eeh_busy = 1;
90a86fc0 3292 qla2x00_free_irqs(vha);
14e660e6
SJ		 3293 pci_disable_device(pdev);
3294 return PCI_ERS_RESULT_NEED_RESET;
3295 case pci_channel_io_perm_failure:
85880801
AV		 3296 ha->flags.pci_channel_io_perm_failure = 1;
3297 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
14e660e6
SJ		 3298 return PCI_ERS_RESULT_DISCONNECT;
3299 }
3300 return PCI_ERS_RESULT_NEED_RESET;
3301}
3302
3303static pci_ers_result_t
3304qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
3305{
3306 int risc_paused = 0;
3307 uint32_t stat;
3308 unsigned long flags;
e315cd28
AC		 3309 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3310 struct qla_hw_data *ha = base_vha->hw;
14e660e6
SJ		 3311 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3312 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
3313
3314 spin_lock_irqsave(&ha->hardware_lock, flags);
3315 if (IS_QLA2100(ha) || IS_QLA2200(ha)){
3316 stat = RD_REG_DWORD(&reg->hccr);
3317 if (stat & HCCR_RISC_PAUSE)
3318 risc_paused = 1;
3319 } else if (IS_QLA23XX(ha)) {
3320 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
3321 if (stat & HSR_RISC_PAUSED)
3322 risc_paused = 1;
3323 } else if (IS_FWI2_CAPABLE(ha)) {
3324 stat = RD_REG_DWORD(&reg24->host_status);
3325 if (stat & HSRX_RISC_PAUSED)
3326 risc_paused = 1;
3327 }
3328 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3329
3330 if (risc_paused) {
3331 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
3332 "Dumping firmware!\n");
e315cd28 3333 ha->isp_ops->fw_dump(base_vha, 0);
14e660e6
SJ		 3334
3335 return PCI_ERS_RESULT_NEED_RESET;
3336 } else
3337 return PCI_ERS_RESULT_RECOVERED;
3338}
3339
3340static pci_ers_result_t
3341qla2xxx_pci_slot_reset(struct pci_dev *pdev)
3342{
3343 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
e315cd28
AC		 3344 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3345 struct qla_hw_data *ha = base_vha->hw;
90a86fc0
JC		 3346 struct rsp_que *rsp;
3347 int rc, retries = 10;
09483916 3348
85880801
AV		 3349 DEBUG17(qla_printk(KERN_WARNING, ha, "slot_reset\n"));
3350
90a86fc0
JC		 3351 /* Workaround: qla2xxx driver which access hardware earlier
3352 * needs error state to be pci_channel_io_online.
3353 * Otherwise mailbox command timesout.
3354 */
3355 pdev->error_state = pci_channel_io_normal;
3356
3357 pci_restore_state(pdev);
3358
09483916
BH		 3359 if (ha->mem_only)
3360 rc = pci_enable_device_mem(pdev);
3361 else
3362 rc = pci_enable_device(pdev);
14e660e6 3363
09483916 3364 if (rc) {
14e660e6
SJ		 3365 qla_printk(KERN_WARNING, ha,
3366 "Can't re-enable PCI device after reset.\n");
14e660e6
SJ		 3367 return ret;
3368 }
14e660e6 3369
90a86fc0
JC		 3370 rsp = ha->rsp_q_map[0];
3371 if (qla2x00_request_irqs(ha, rsp))
3372 return ret;
3373
e315cd28 3374 if (ha->isp_ops->pci_config(base_vha))
14e660e6
SJ		 3375 return ret;
3376
90a86fc0
JC		 3377 while (ha->flags.mbox_busy && retries--)
3378 msleep(1000);
85880801 3379
e315cd28
AC		 3380 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3381 if (qla2x00_abort_isp(base_vha) == QLA_SUCCESS)
14e660e6 3382 ret = PCI_ERS_RESULT_RECOVERED;
e315cd28 3383 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
14e660e6 3384
90a86fc0
JC		 3385 pci_cleanup_aer_uncorrect_error_status(pdev);
3386
85880801
AV		 3387 DEBUG17(qla_printk(KERN_WARNING, ha,
3388 "slot_reset-return:ret=%x\n", ret));
3389
14e660e6
SJ		 3390 return ret;
3391}
3392
3393static void
3394qla2xxx_pci_resume(struct pci_dev *pdev)
3395{
e315cd28
AC		 3396 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3397 struct qla_hw_data *ha = base_vha->hw;
14e660e6
SJ		 3398 int ret;
3399
85880801
AV		 3400 DEBUG17(qla_printk(KERN_WARNING, ha, "pci_resume\n"));
3401
e315cd28 3402 ret = qla2x00_wait_for_hba_online(base_vha);
14e660e6
SJ		 3403 if (ret != QLA_SUCCESS) {
3404 qla_printk(KERN_ERR, ha,
3405 "the device failed to resume I/O "
3406 "from slot/link_reset");
3407 }
85880801
AV		 3408
3409 ha->flags.eeh_busy = 0;
14e660e6
SJ		 3410}
3411
3412static struct pci_error_handlers qla2xxx_err_handler = {
3413 .error_detected = qla2xxx_pci_error_detected,
3414 .mmio_enabled = qla2xxx_pci_mmio_enabled,
3415 .slot_reset = qla2xxx_pci_slot_reset,
3416 .resume = qla2xxx_pci_resume,
3417};
3418
5433383e 3419static struct pci_device_id qla2xxx_pci_tbl[] = {
47f5e069
AV		 3420 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
3421 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
3422 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
3423 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
3424 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
3425 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
3426 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
3427 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
3428 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
4d4df193 3429 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
47f5e069
AV		 3430 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
3431 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
c3a2f0df 3432 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
3a03eb79 3433 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
5433383e
AV		 3434 { 0 },
3435};
3436MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
3437
fca29703 3438static struct pci_driver qla2xxx_pci_driver = {
cb63067a 3439 .name = QLA2XXX_DRIVER_NAME,
0a21ef1e
JB		 3440 .driver = {
3441 .owner = THIS_MODULE,
3442 },
fca29703 3443 .id_table = qla2xxx_pci_tbl,
7ee61397 3444 .probe = qla2x00_probe_one,
4c993f76 3445 .remove = qla2x00_remove_one,
14e660e6 3446 .err_handler = &qla2xxx_err_handler,
fca29703
AV		 3447};
3448
1da177e4
LT		 3449/**
3450 * qla2x00_module_init - Module initialization.
3451 **/
3452static int __init
3453qla2x00_module_init(void)
3454{
fca29703
AV		 3455 int ret = 0;
3456
1da177e4 3457 /* Allocate cache for SRBs. */
354d6b21 3458 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
20c2df83 3459 SLAB_HWCACHE_ALIGN, NULL);
1da177e4
LT		 3460 if (srb_cachep == NULL) {
3461 printk(KERN_ERR
3462 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
3463 return -ENOMEM;
3464 }
3465
3466 /* Derive version string. */
3467 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
11010fec 3468 if (ql2xextended_error_logging)
0181944f
AV		 3469 strcat(qla2x00_version_str, "-debug");
3470
1c97a12a
AV		 3471 qla2xxx_transport_template =
3472 fc_attach_transport(&qla2xxx_transport_functions);
2c3dfe3f
SJ		 3473 if (!qla2xxx_transport_template) {
3474 kmem_cache_destroy(srb_cachep);
1da177e4 3475 return -ENODEV;
2c3dfe3f
SJ		 3476 }
3477 qla2xxx_transport_vport_template =
3478 fc_attach_transport(&qla2xxx_transport_vport_functions);
3479 if (!qla2xxx_transport_vport_template) {
3480 kmem_cache_destroy(srb_cachep);
3481 fc_release_transport(qla2xxx_transport_template);
1da177e4 3482 return -ENODEV;
2c3dfe3f 3483 }
1da177e4 3484
fd9a29f0
AV		 3485 printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n",
3486 qla2x00_version_str);
7ee61397 3487 ret = pci_register_driver(&qla2xxx_pci_driver);
fca29703
AV		 3488 if (ret) {
3489 kmem_cache_destroy(srb_cachep);
3490 fc_release_transport(qla2xxx_transport_template);
2c3dfe3f 3491 fc_release_transport(qla2xxx_transport_vport_template);
fca29703
AV		 3492 }
3493 return ret;
1da177e4
LT		 3494}
3495
3496/**
3497 * qla2x00_module_exit - Module cleanup.
3498 **/
3499static void __exit
3500qla2x00_module_exit(void)
3501{
7ee61397 3502 pci_unregister_driver(&qla2xxx_pci_driver);
5433383e 3503 qla2x00_release_firmware();
354d6b21 3504 kmem_cache_destroy(srb_cachep);
1da177e4 3505 fc_release_transport(qla2xxx_transport_template);
2c3dfe3f 3506 fc_release_transport(qla2xxx_transport_vport_template);
1da177e4
LT		 3507}
3508
3509module_init(qla2x00_module_init);
3510module_exit(qla2x00_module_exit);
3511
3512MODULE_AUTHOR("QLogic Corporation");
3513MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
3514MODULE_LICENSE("GPL");
3515MODULE_VERSION(QLA2XXX_VERSION);
bb8ee499
AV		 3516MODULE_FIRMWARE(FW_FILE_ISP21XX);
3517MODULE_FIRMWARE(FW_FILE_ISP22XX);
3518MODULE_FIRMWARE(FW_FILE_ISP2300);
3519MODULE_FIRMWARE(FW_FILE_ISP2322);
3520MODULE_FIRMWARE(FW_FILE_ISP24XX);
61623fc3 3521MODULE_FIRMWARE(FW_FILE_ISP25XX);
Linux 6.x block layer and io_uring tree(s)