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[SCSI] qla2xxx: Fix to make conditional decision based on port number.
[deliverable/linux.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>
5a0e3ad6 15#include <linux/slab.h>
1da177e4
LT		 16
17#include <scsi/scsi_tcq.h>
18#include <scsi/scsicam.h>
19#include <scsi/scsi_transport.h>
20#include <scsi/scsi_transport_fc.h>
21
22/*
23 * Driver version
24 */
25char qla2x00_version_str[40];
26
27/*
28 * SRB allocation cache
29 */
e18b890b 30static struct kmem_cache *srb_cachep;
1da177e4 31
1da177e4
LT		 32int ql2xlogintimeout = 20;
33module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR);
34MODULE_PARM_DESC(ql2xlogintimeout,
35 "Login timeout value in seconds.");
36
a7b61842 37int qlport_down_retry;
1da177e4
LT		 38module_param(qlport_down_retry, int, S_IRUGO|S_IRUSR);
39MODULE_PARM_DESC(qlport_down_retry,
900d9f98 40 "Maximum number of command retries to a port that returns "
1da177e4
LT		 41 "a PORT-DOWN status.");
42
1da177e4
LT		 43int ql2xplogiabsentdevice;
44module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
45MODULE_PARM_DESC(ql2xplogiabsentdevice,
46 "Option to enable PLOGI to devices that are not present after "
900d9f98 47 "a Fabric scan. This is needed for several broken switches. "
1da177e4
LT		 48 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
49
1da177e4
LT		 50int ql2xloginretrycount = 0;
51module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR);
52MODULE_PARM_DESC(ql2xloginretrycount,
53 "Specify an alternate value for the NVRAM login retry count.");
54
a7a167bf
AV		 55int ql2xallocfwdump = 1;
56module_param(ql2xallocfwdump, int, S_IRUGO|S_IRUSR);
57MODULE_PARM_DESC(ql2xallocfwdump,
58 "Option to enable allocation of memory for a firmware dump "
59 "during HBA initialization. Memory allocation requirements "
60 "vary by ISP type. Default is 1 - allocate memory.");
61
11010fec 62int ql2xextended_error_logging;
27d94035 63module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
11010fec 64MODULE_PARM_DESC(ql2xextended_error_logging,
0181944f
AV		 65 "Option to enable extended error logging, "
66 "Default is 0 - no logging. 1 - log errors.");
67
1da177e4
LT		 68static void qla2x00_free_device(scsi_qla_host_t *);
69
7e47e5ca 70int ql2xfdmienable=1;
cca5335c
AV		 71module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR);
72MODULE_PARM_DESC(ql2xfdmienable,
73 "Enables FDMI registratons "
74 "Default is 0 - no FDMI. 1 - perfom FDMI.");
75
df7baa50
AV		 76#define MAX_Q_DEPTH 32
77static int ql2xmaxqdepth = MAX_Q_DEPTH;
78module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
79MODULE_PARM_DESC(ql2xmaxqdepth,
80 "Maximum queue depth to report for target devices.");
81
e5896bd5
AV		 82int ql2xiidmaenable=1;
83module_param(ql2xiidmaenable, int, S_IRUGO|S_IRUSR);
84MODULE_PARM_DESC(ql2xiidmaenable,
85 "Enables iIDMA settings "
86 "Default is 1 - perform iIDMA. 0 - no iIDMA.");
87
73208dfd
AC		 88int ql2xmaxqueues = 1;
89module_param(ql2xmaxqueues, int, S_IRUGO|S_IRUSR);
90MODULE_PARM_DESC(ql2xmaxqueues,
91 "Enables MQ settings "
92 "Default is 1 for single queue. Set it to number \
93 of queues in MQ mode.");
68ca949c
AC		 94
95int ql2xmultique_tag;
96module_param(ql2xmultique_tag, int, S_IRUGO|S_IRUSR);
97MODULE_PARM_DESC(ql2xmultique_tag,
98 "Enables CPU affinity settings for the driver "
99 "Default is 0 for no affinity of request and response IO. "
100 "Set it to 1 to turn on the cpu affinity.");
e337d907
AV		 101
102int ql2xfwloadbin;
103module_param(ql2xfwloadbin, int, S_IRUGO|S_IRUSR);
104MODULE_PARM_DESC(ql2xfwloadbin,
105 "Option to specify location from which to load ISP firmware:\n"
106 " 2 -- load firmware via the request_firmware() (hotplug)\n"
107 " interface.\n"
108 " 1 -- load firmware from flash.\n"
109 " 0 -- use default semantics.\n");
110
ae97c91e
AV		 111int ql2xetsenable;
112module_param(ql2xetsenable, int, S_IRUGO|S_IRUSR);
113MODULE_PARM_DESC(ql2xetsenable,
114 "Enables firmware ETS burst."
115 "Default is 0 - skip ETS enablement.");
116
1da177e4 117/*
fa2a1ce5 118 * SCSI host template entry points
1da177e4
LT		 119 */
120static int qla2xxx_slave_configure(struct scsi_device * device);
f4f051eb 121static int qla2xxx_slave_alloc(struct scsi_device *);
1e99e33a
AV		 122static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
123static void qla2xxx_scan_start(struct Scsi_Host *);
f4f051eb 124static void qla2xxx_slave_destroy(struct scsi_device *);
a5326f86 125static int qla2xxx_queuecommand(struct scsi_cmnd *cmd,
fca29703 126 void (*fn)(struct scsi_cmnd *));
1da177e4
LT		 127static int qla2xxx_eh_abort(struct scsi_cmnd *);
128static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
523ec773 129static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
1da177e4
LT		 130static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
131static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
1da177e4 132
e881a172 133static int qla2x00_change_queue_depth(struct scsi_device *, int, int);
ce7e4af7
AV		 134static int qla2x00_change_queue_type(struct scsi_device *, int);
135
a5326f86 136struct scsi_host_template qla2xxx_driver_template = {
1da177e4 137 .module = THIS_MODULE,
cb63067a 138 .name = QLA2XXX_DRIVER_NAME,
a5326f86 139 .queuecommand = qla2xxx_queuecommand,
fca29703
AV		 140
141 .eh_abort_handler = qla2xxx_eh_abort,
142 .eh_device_reset_handler = qla2xxx_eh_device_reset,
523ec773 143 .eh_target_reset_handler = qla2xxx_eh_target_reset,
fca29703
AV		 144 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
145 .eh_host_reset_handler = qla2xxx_eh_host_reset,
146
147 .slave_configure = qla2xxx_slave_configure,
148
149 .slave_alloc = qla2xxx_slave_alloc,
150 .slave_destroy = qla2xxx_slave_destroy,
ed677086
AV		 151 .scan_finished = qla2xxx_scan_finished,
152 .scan_start = qla2xxx_scan_start,
ce7e4af7
AV		 153 .change_queue_depth = qla2x00_change_queue_depth,
154 .change_queue_type = qla2x00_change_queue_type,
fca29703
AV		 155 .this_id = -1,
156 .cmd_per_lun = 3,
157 .use_clustering = ENABLE_CLUSTERING,
158 .sg_tablesize = SG_ALL,
159
160 .max_sectors = 0xFFFF,
afb046e2 161 .shost_attrs = qla2x00_host_attrs,
fca29703
AV		 162};
163
1da177e4 164static struct scsi_transport_template *qla2xxx_transport_template = NULL;
2c3dfe3f 165struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
1da177e4 166
1da177e4
LT		 167/* TODO Convert to inlines
168 *
169 * Timer routines
170 */
1da177e4 171
2c3dfe3f 172__inline__ void
e315cd28 173qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval)
1da177e4 174{
e315cd28
AC		 175 init_timer(&vha->timer);
176 vha->timer.expires = jiffies + interval * HZ;
177 vha->timer.data = (unsigned long)vha;
178 vha->timer.function = (void (*)(unsigned long))func;
179 add_timer(&vha->timer);
180 vha->timer_active = 1;
1da177e4
LT		 181}
182
183static inline void
e315cd28 184qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
1da177e4 185{
e315cd28 186 mod_timer(&vha->timer, jiffies + interval * HZ);
1da177e4
LT		 187}
188
a824ebb3 189static __inline__ void
e315cd28 190qla2x00_stop_timer(scsi_qla_host_t *vha)
1da177e4 191{
e315cd28
AC		 192 del_timer_sync(&vha->timer);
193 vha->timer_active = 0;
1da177e4
LT		 194}
195
1da177e4
LT		 196static int qla2x00_do_dpc(void *data);
197
198static void qla2x00_rst_aen(scsi_qla_host_t *);
199
73208dfd
AC		 200static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
201 struct req_que **, struct rsp_que **);
e315cd28
AC		 202static void qla2x00_mem_free(struct qla_hw_data *);
203static void qla2x00_sp_free_dma(srb_t *);
1da177e4 204
1da177e4 205/* -------------------------------------------------------------------------- */
73208dfd
AC		 206static int qla2x00_alloc_queues(struct qla_hw_data *ha)
207{
2afa19a9 208 ha->req_q_map = kzalloc(sizeof(struct req_que *) * ha->max_req_queues,
73208dfd
AC		 209 GFP_KERNEL);
210 if (!ha->req_q_map) {
211 qla_printk(KERN_WARNING, ha,
212 "Unable to allocate memory for request queue ptrs\n");
213 goto fail_req_map;
214 }
215
2afa19a9 216 ha->rsp_q_map = kzalloc(sizeof(struct rsp_que *) * ha->max_rsp_queues,
73208dfd
AC		 217 GFP_KERNEL);
218 if (!ha->rsp_q_map) {
219 qla_printk(KERN_WARNING, ha,
220 "Unable to allocate memory for response queue ptrs\n");
221 goto fail_rsp_map;
222 }
223 set_bit(0, ha->rsp_qid_map);
224 set_bit(0, ha->req_qid_map);
225 return 1;
226
227fail_rsp_map:
228 kfree(ha->req_q_map);
229 ha->req_q_map = NULL;
230fail_req_map:
231 return -ENOMEM;
232}
233
2afa19a9 234static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
73208dfd 235{
73208dfd
AC		 236 if (req && req->ring)
237 dma_free_coherent(&ha->pdev->dev,
238 (req->length + 1) * sizeof(request_t),
239 req->ring, req->dma);
240
241 kfree(req);
242 req = NULL;
243}
244
2afa19a9
AC		 245static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
246{
247 if (rsp && rsp->ring)
248 dma_free_coherent(&ha->pdev->dev,
249 (rsp->length + 1) * sizeof(response_t),
250 rsp->ring, rsp->dma);
251
252 kfree(rsp);
253 rsp = NULL;
254}
255
73208dfd
AC		 256static void qla2x00_free_queues(struct qla_hw_data *ha)
257{
258 struct req_que *req;
259 struct rsp_que *rsp;
260 int cnt;
261
2afa19a9 262 for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
73208dfd 263 req = ha->req_q_map[cnt];
2afa19a9 264 qla2x00_free_req_que(ha, req);
73208dfd 265 }
73208dfd
AC		 266 kfree(ha->req_q_map);
267 ha->req_q_map = NULL;
2afa19a9
AC		 268
269 for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
270 rsp = ha->rsp_q_map[cnt];
271 qla2x00_free_rsp_que(ha, rsp);
272 }
273 kfree(ha->rsp_q_map);
274 ha->rsp_q_map = NULL;
73208dfd
AC		 275}
276
68ca949c
AC		 277static int qla25xx_setup_mode(struct scsi_qla_host *vha)
278{
279 uint16_t options = 0;
280 int ques, req, ret;
281 struct qla_hw_data *ha = vha->hw;
282
7163ea81
AC		 283 if (!(ha->fw_attributes & BIT_6)) {
284 qla_printk(KERN_INFO, ha,
285 "Firmware is not multi-queue capable\n");
286 goto fail;
287 }
68ca949c 288 if (ql2xmultique_tag) {
68ca949c
AC		 289 /* create a request queue for IO */
290 options |= BIT_7;
291 req = qla25xx_create_req_que(ha, options, 0, 0, -1,
292 QLA_DEFAULT_QUE_QOS);
293 if (!req) {
294 qla_printk(KERN_WARNING, ha,
295 "Can't create request queue\n");
296 goto fail;
297 }
7163ea81 298 ha->wq = create_workqueue("qla2xxx_wq");
68ca949c
AC		 299 vha->req = ha->req_q_map[req];
300 options |= BIT_1;
301 for (ques = 1; ques < ha->max_rsp_queues; ques++) {
302 ret = qla25xx_create_rsp_que(ha, options, 0, 0, req);
303 if (!ret) {
304 qla_printk(KERN_WARNING, ha,
305 "Response Queue create failed\n");
306 goto fail2;
307 }
308 }
7163ea81
AC		 309 ha->flags.cpu_affinity_enabled = 1;
310
68ca949c
AC		 311 DEBUG2(qla_printk(KERN_INFO, ha,
312 "CPU affinity mode enabled, no. of response"
313 " queues:%d, no. of request queues:%d\n",
314 ha->max_rsp_queues, ha->max_req_queues));
315 }
316 return 0;
317fail2:
318 qla25xx_delete_queues(vha);
7163ea81
AC		 319 destroy_workqueue(ha->wq);
320 ha->wq = NULL;
68ca949c
AC		 321fail:
322 ha->mqenable = 0;
7163ea81
AC		 323 kfree(ha->req_q_map);
324 kfree(ha->rsp_q_map);
325 ha->max_req_queues = ha->max_rsp_queues = 1;
68ca949c
AC		 326 return 1;
327}
328
1da177e4 329static char *
e315cd28 330qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
1da177e4 331{
e315cd28 332 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 333 static char *pci_bus_modes[] = {
334 "33", "66", "100", "133",
335 };
336 uint16_t pci_bus;
337
338 strcpy(str, "PCI");
339 pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
340 if (pci_bus) {
341 strcat(str, "-X (");
342 strcat(str, pci_bus_modes[pci_bus]);
343 } else {
344 pci_bus = (ha->pci_attr & BIT_8) >> 8;
345 strcat(str, " (");
346 strcat(str, pci_bus_modes[pci_bus]);
347 }
348 strcat(str, " MHz)");
349
350 return (str);
351}
352
fca29703 353static char *
e315cd28 354qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
fca29703
AV		 355{
356 static char *pci_bus_modes[] = { "33", "66", "100", "133", };
e315cd28 357 struct qla_hw_data *ha = vha->hw;
fca29703
AV		 358 uint32_t pci_bus;
359 int pcie_reg;
360
361 pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
362 if (pcie_reg) {
363 char lwstr[6];
364 uint16_t pcie_lstat, lspeed, lwidth;
365
366 pcie_reg += 0x12;
367 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
368 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
369 lwidth = (pcie_lstat &
370 (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
371
372 strcpy(str, "PCIe (");
373 if (lspeed == 1)
c87a0d8c 374 strcat(str, "2.5GT/s ");
c3a2f0df 375 else if (lspeed == 2)
c87a0d8c 376 strcat(str, "5.0GT/s ");
fca29703
AV		 377 else
378 strcat(str, "<unknown> ");
379 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
380 strcat(str, lwstr);
381
382 return str;
383 }
384
385 strcpy(str, "PCI");
386 pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
387 if (pci_bus == 0 || pci_bus == 8) {
388 strcat(str, " (");
389 strcat(str, pci_bus_modes[pci_bus >> 3]);
390 } else {
391 strcat(str, "-X ");
392 if (pci_bus & BIT_2)
393 strcat(str, "Mode 2");
394 else
395 strcat(str, "Mode 1");
396 strcat(str, " (");
397 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
398 }
399 strcat(str, " MHz)");
400
401 return str;
402}
403
e5f82ab8 404static char *
e315cd28 405qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str)
1da177e4
LT		 406{
407 char un_str[10];
e315cd28 408 struct qla_hw_data *ha = vha->hw;
fa2a1ce5 409
1da177e4
LT		 410 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
411 ha->fw_minor_version,
412 ha->fw_subminor_version);
413
414 if (ha->fw_attributes & BIT_9) {
415 strcat(str, "FLX");
416 return (str);
417 }
418
419 switch (ha->fw_attributes & 0xFF) {
420 case 0x7:
421 strcat(str, "EF");
422 break;
423 case 0x17:
424 strcat(str, "TP");
425 break;
426 case 0x37:
427 strcat(str, "IP");
428 break;
429 case 0x77:
430 strcat(str, "VI");
431 break;
432 default:
433 sprintf(un_str, "(%x)", ha->fw_attributes);
434 strcat(str, un_str);
435 break;
436 }
437 if (ha->fw_attributes & 0x100)
438 strcat(str, "X");
439
440 return (str);
441}
442
e5f82ab8 443static char *
e315cd28 444qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str)
fca29703 445{
e315cd28 446 struct qla_hw_data *ha = vha->hw;
f0883ac6 447
3a03eb79
AV		 448 sprintf(str, "%d.%02d.%02d (%x)", ha->fw_major_version,
449 ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
fca29703 450 return str;
fca29703
AV		 451}
452
453static inline srb_t *
e315cd28 454qla2x00_get_new_sp(scsi_qla_host_t *vha, fc_port_t *fcport,
fca29703
AV		 455 struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
456{
457 srb_t *sp;
e315cd28 458 struct qla_hw_data *ha = vha->hw;
fca29703
AV		 459
460 sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
461 if (!sp)
462 return sp;
463
fca29703
AV		 464 sp->fcport = fcport;
465 sp->cmd = cmd;
466 sp->flags = 0;
467 CMD_SP(cmd) = (void *)sp;
468 cmd->scsi_done = done;
cf53b069 469 sp->ctx = NULL;
fca29703
AV		 470
471 return sp;
472}
473
1da177e4 474static int
a5326f86 475qla2xxx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
fca29703 476{
e315cd28 477 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
fca29703 478 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
19a7b4ae 479 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
e315cd28
AC		 480 struct qla_hw_data *ha = vha->hw;
481 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
fca29703
AV		 482 srb_t *sp;
483 int rval;
484
85880801
AV		 485 if (ha->flags.eeh_busy) {
486 if (ha->flags.pci_channel_io_perm_failure)
b9b12f73 487 cmd->result = DID_NO_CONNECT << 16;
85880801
AV		 488 else
489 cmd->result = DID_REQUEUE << 16;
14e660e6
SJ		 490 goto qc24_fail_command;
491 }
492
19a7b4ae
JSEC		 493 rval = fc_remote_port_chkready(rport);
494 if (rval) {
495 cmd->result = rval;
fca29703
AV		 496 goto qc24_fail_command;
497 }
498
387f96b4 499 /* Close window on fcport/rport state-transitioning. */
7b594131
MC		 500 if (fcport->drport)
501 goto qc24_target_busy;
387f96b4 502
fca29703
AV		 503 if (atomic_read(&fcport->state) != FCS_ONLINE) {
504 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
e315cd28 505 atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
fca29703
AV		 506 cmd->result = DID_NO_CONNECT << 16;
507 goto qc24_fail_command;
508 }
7b594131 509 goto qc24_target_busy;
fca29703
AV		 510 }
511
e315cd28 512 spin_unlock_irq(vha->host->host_lock);
fca29703 513
e315cd28 514 sp = qla2x00_get_new_sp(base_vha, fcport, cmd, done);
fca29703
AV		 515 if (!sp)
516 goto qc24_host_busy_lock;
517
e315cd28 518 rval = ha->isp_ops->start_scsi(sp);
fca29703
AV		 519 if (rval != QLA_SUCCESS)
520 goto qc24_host_busy_free_sp;
521
e315cd28 522 spin_lock_irq(vha->host->host_lock);
fca29703
AV		 523
524 return 0;
525
526qc24_host_busy_free_sp:
e315cd28
AC		 527 qla2x00_sp_free_dma(sp);
528 mempool_free(sp, ha->srb_mempool);
fca29703
AV		 529
530qc24_host_busy_lock:
e315cd28 531 spin_lock_irq(vha->host->host_lock);
fca29703
AV		 532 return SCSI_MLQUEUE_HOST_BUSY;
533
7b594131
MC		 534qc24_target_busy:
535 return SCSI_MLQUEUE_TARGET_BUSY;
536
fca29703
AV		 537qc24_fail_command:
538 done(cmd);
539
540 return 0;
541}
542
543
1da177e4
LT		 544/*
545 * qla2x00_eh_wait_on_command
546 * Waits for the command to be returned by the Firmware for some
547 * max time.
548 *
549 * Input:
1da177e4 550 * cmd = Scsi Command to wait on.
1da177e4
LT		 551 *
552 * Return:
553 * Not Found : 0
554 * Found : 1
555 */
556static int
e315cd28 557qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
1da177e4 558{
fe74c71f
AV		 559#define ABORT_POLLING_PERIOD 1000
560#define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
f4f051eb 561 unsigned long wait_iter = ABORT_WAIT_ITER;
85880801
AV		 562 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
563 struct qla_hw_data *ha = vha->hw;
f4f051eb 564 int ret = QLA_SUCCESS;
1da177e4 565
85880801
AV		 566 if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) {
567 DEBUG17(qla_printk(KERN_WARNING, ha, "return:eh_wait\n"));
568 return ret;
569 }
570
d970432c 571 while (CMD_SP(cmd) && wait_iter--) {
fe74c71f 572 msleep(ABORT_POLLING_PERIOD);
f4f051eb 573 }
574 if (CMD_SP(cmd))
575 ret = QLA_FUNCTION_FAILED;
1da177e4 576
f4f051eb 577 return ret;
1da177e4
LT		 578}
579
580/*
581 * qla2x00_wait_for_hba_online
fa2a1ce5 582 * Wait till the HBA is online after going through
1da177e4
LT		 583 * <= MAX_RETRIES_OF_ISP_ABORT or
584 * finally HBA is disabled ie marked offline
585 *
586 * Input:
587 * ha - pointer to host adapter structure
fa2a1ce5
AV		 588 *
589 * Note:
1da177e4
LT		 590 * Does context switching-Release SPIN_LOCK
591 * (if any) before calling this routine.
592 *
593 * Return:
594 * Success (Adapter is online) : 0
595 * Failed (Adapter is offline/disabled) : 1
596 */
854165f4 597int
e315cd28 598qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
1da177e4 599{
fca29703
AV		 600 int return_status;
601 unsigned long wait_online;
e315cd28
AC		 602 struct qla_hw_data *ha = vha->hw;
603 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1da177e4 604
fa2a1ce5 605 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
e315cd28
AC		 606 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
607 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
608 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
609 ha->dpc_active) && time_before(jiffies, wait_online)) {
1da177e4
LT		 610
611 msleep(1000);
612 }
e315cd28 613 if (base_vha->flags.online)
fa2a1ce5 614 return_status = QLA_SUCCESS;
1da177e4
LT		 615 else
616 return_status = QLA_FUNCTION_FAILED;
617
1da177e4
LT		 618 return (return_status);
619}
620
2533cf67
LC		 621int
622qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
623{
624 int return_status;
625 unsigned long wait_reset;
626 struct qla_hw_data *ha = vha->hw;
627 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
628
629 wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
630 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
631 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
632 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
633 ha->dpc_active) && time_before(jiffies, wait_reset)) {
634
635 msleep(1000);
636
637 if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
638 ha->flags.chip_reset_done)
639 break;
640 }
641 if (ha->flags.chip_reset_done)
642 return_status = QLA_SUCCESS;
643 else
644 return_status = QLA_FUNCTION_FAILED;
645
646 return return_status;
647}
648
1da177e4
LT		 649/*
650 * qla2x00_wait_for_loop_ready
651 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
fa2a1ce5 652 * to be in LOOP_READY state.
1da177e4
LT		 653 * Input:
654 * ha - pointer to host adapter structure
fa2a1ce5
AV		 655 *
656 * Note:
1da177e4
LT		 657 * Does context switching-Release SPIN_LOCK
658 * (if any) before calling this routine.
fa2a1ce5 659 *
1da177e4
LT		 660 *
661 * Return:
662 * Success (LOOP_READY) : 0
663 * Failed (LOOP_NOT_READY) : 1
664 */
fa2a1ce5 665static inline int
e315cd28 666qla2x00_wait_for_loop_ready(scsi_qla_host_t *vha)
1da177e4
LT		 667{
668 int return_status = QLA_SUCCESS;
669 unsigned long loop_timeout ;
e315cd28
AC		 670 struct qla_hw_data *ha = vha->hw;
671 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1da177e4
LT		 672
673 /* wait for 5 min at the max for loop to be ready */
fa2a1ce5 674 loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1da177e4 675
e315cd28
AC		 676 while ((!atomic_read(&base_vha->loop_down_timer) &&
677 atomic_read(&base_vha->loop_state) == LOOP_DOWN) ||
678 atomic_read(&base_vha->loop_state) != LOOP_READY) {
679 if (atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
57680080
RA		 680 return_status = QLA_FUNCTION_FAILED;
681 break;
682 }
1da177e4
LT		 683 msleep(1000);
684 if (time_after_eq(jiffies, loop_timeout)) {
685 return_status = QLA_FUNCTION_FAILED;
686 break;
687 }
688 }
fa2a1ce5 689 return (return_status);
1da177e4
LT		 690}
691
692/**************************************************************************
693* qla2xxx_eh_abort
694*
695* Description:
696* The abort function will abort the specified command.
697*
698* Input:
699* cmd = Linux SCSI command packet to be aborted.
700*
701* Returns:
702* Either SUCCESS or FAILED.
703*
704* Note:
2ea00202 705* Only return FAILED if command not returned by firmware.
1da177e4 706**************************************************************************/
e5f82ab8 707static int
1da177e4
LT		 708qla2xxx_eh_abort(struct scsi_cmnd *cmd)
709{
e315cd28 710 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
f4f051eb 711 srb_t *sp;
17d98630 712 int ret, i;
f4f051eb 713 unsigned int id, lun;
714 unsigned long serial;
18e144d3 715 unsigned long flags;
2ea00202 716 int wait = 0;
e315cd28 717 struct qla_hw_data *ha = vha->hw;
67c2e93a 718 struct req_que *req = vha->req;
17d98630 719 srb_t *spt;
1da177e4 720
65d430fa 721 fc_block_scsi_eh(cmd);
07db5183 722
f4f051eb 723 if (!CMD_SP(cmd))
2ea00202 724 return SUCCESS;
1da177e4 725
2ea00202 726 ret = SUCCESS;
1da177e4 727
f4f051eb 728 id = cmd->device->id;
729 lun = cmd->device->lun;
730 serial = cmd->serial_number;
17d98630
AC		 731 spt = (srb_t *) CMD_SP(cmd);
732 if (!spt)
733 return SUCCESS;
1da177e4 734
f4f051eb 735 /* Check active list for command command. */
e315cd28 736 spin_lock_irqsave(&ha->hardware_lock, flags);
17d98630
AC		 737 for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
738 sp = req->outstanding_cmds[i];
1da177e4 739
17d98630
AC		 740 if (sp == NULL)
741 continue;
cf53b069
AV		 742 if (sp->ctx)
743 continue;
17d98630
AC		 744 if (sp->cmd != cmd)
745 continue;
1da177e4 746
17d98630
AC		 747 DEBUG2(printk("%s(%ld): aborting sp %p from RISC."
748 " pid=%ld.\n", __func__, vha->host_no, sp, serial));
749
750 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2afa19a9 751 if (ha->isp_ops->abort_command(sp)) {
17d98630
AC		 752 DEBUG2(printk("%s(%ld): abort_command "
753 "mbx failed.\n", __func__, vha->host_no));
2ac4b64f 754 ret = FAILED;
17d98630
AC		 755 } else {
756 DEBUG3(printk("%s(%ld): abort_command "
757 "mbx success.\n", __func__, vha->host_no));
758 wait = 1;
73208dfd 759 }
17d98630
AC		 760 spin_lock_irqsave(&ha->hardware_lock, flags);
761 break;
f4f051eb 762 }
e315cd28 763 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1da177e4 764
f4f051eb 765 /* Wait for the command to be returned. */
2ea00202 766 if (wait) {
e315cd28 767 if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
fa2a1ce5 768 qla_printk(KERN_ERR, ha,
f4f051eb 769 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
e315cd28 770 "%x.\n", vha->host_no, id, lun, serial, ret);
2ea00202 771 ret = FAILED;
f4f051eb 772 }
1da177e4 773 }
1da177e4 774
fa2a1ce5 775 qla_printk(KERN_INFO, ha,
2ea00202 776 "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
e315cd28 777 vha->host_no, id, lun, wait, serial, ret);
1da177e4 778
f4f051eb 779 return ret;
780}
1da177e4 781
523ec773
AV		 782enum nexus_wait_type {
783 WAIT_HOST = 0,
784 WAIT_TARGET,
785 WAIT_LUN,
786};
787
f4f051eb 788static int
e315cd28 789qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
17d98630 790 unsigned int l, srb_t *sp, enum nexus_wait_type type)
f4f051eb 791{
17d98630 792 int cnt, match, status;
18e144d3 793 unsigned long flags;
e315cd28 794 struct qla_hw_data *ha = vha->hw;
73208dfd 795 struct req_que *req;
1da177e4 796
523ec773 797 status = QLA_SUCCESS;
17d98630
AC		 798 if (!sp)
799 return status;
800
e315cd28 801 spin_lock_irqsave(&ha->hardware_lock, flags);
67c2e93a 802 req = vha->req;
17d98630
AC		 803 for (cnt = 1; status == QLA_SUCCESS &&
804 cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
805 sp = req->outstanding_cmds[cnt];
806 if (!sp)
523ec773 807 continue;
cf53b069
AV		 808 if (sp->ctx)
809 continue;
17d98630
AC		 810 if (vha->vp_idx != sp->fcport->vha->vp_idx)
811 continue;
812 match = 0;
813 switch (type) {
814 case WAIT_HOST:
815 match = 1;
816 break;
817 case WAIT_TARGET:
818 match = sp->cmd->device->id == t;
819 break;
820 case WAIT_LUN:
821 match = (sp->cmd->device->id == t &&
822 sp->cmd->device->lun == l);
823 break;
73208dfd 824 }
17d98630
AC		 825 if (!match)
826 continue;
827
828 spin_unlock_irqrestore(&ha->hardware_lock, flags);
829 status = qla2x00_eh_wait_on_command(sp->cmd);
830 spin_lock_irqsave(&ha->hardware_lock, flags);
1da177e4 831 }
e315cd28 832 spin_unlock_irqrestore(&ha->hardware_lock, flags);
523ec773
AV		 833
834 return status;
1da177e4
LT		 835}
836
523ec773
AV		 837static char *reset_errors[] = {
838 "HBA not online",
839 "HBA not ready",
840 "Task management failed",
841 "Waiting for command completions",
842};
1da177e4 843
e5f82ab8 844static int
523ec773 845__qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
2afa19a9 846 struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int, int))
1da177e4 847{
e315cd28 848 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
bdf79621 849 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
523ec773 850 int err;
1da177e4 851
65d430fa 852 fc_block_scsi_eh(cmd);
07db5183 853
b0328bee 854 if (!fcport)
523ec773 855 return FAILED;
1da177e4 856
e315cd28
AC		 857 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET ISSUED.\n",
858 vha->host_no, cmd->device->id, cmd->device->lun, name);
1da177e4 859
523ec773 860 err = 0;
e315cd28 861 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
523ec773
AV		 862 goto eh_reset_failed;
863 err = 1;
e315cd28 864 if (qla2x00_wait_for_loop_ready(vha) != QLA_SUCCESS)
523ec773
AV		 865 goto eh_reset_failed;
866 err = 2;
2afa19a9
AC		 867 if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
868 != QLA_SUCCESS)
523ec773
AV		 869 goto eh_reset_failed;
870 err = 3;
e315cd28 871 if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
17d98630 872 cmd->device->lun, (srb_t *) CMD_SP(cmd), type) != QLA_SUCCESS)
523ec773
AV		 873 goto eh_reset_failed;
874
e315cd28
AC		 875 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n",
876 vha->host_no, cmd->device->id, cmd->device->lun, name);
523ec773
AV		 877
878 return SUCCESS;
879
880 eh_reset_failed:
e315cd28
AC		 881 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n"
882 , vha->host_no, cmd->device->id, cmd->device->lun, name,
523ec773
AV		 883 reset_errors[err]);
884 return FAILED;
885}
1da177e4 886
523ec773
AV		 887static int
888qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
889{
e315cd28
AC		 890 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
891 struct qla_hw_data *ha = vha->hw;
1da177e4 892
523ec773
AV		 893 return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
894 ha->isp_ops->lun_reset);
1da177e4
LT		 895}
896
1da177e4 897static int
523ec773 898qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1da177e4 899{
e315cd28
AC		 900 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
901 struct qla_hw_data *ha = vha->hw;
1da177e4 902
523ec773
AV		 903 return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
904 ha->isp_ops->target_reset);
1da177e4
LT		 905}
906
1da177e4
LT		 907/**************************************************************************
908* qla2xxx_eh_bus_reset
909*
910* Description:
911* The bus reset function will reset the bus and abort any executing
912* commands.
913*
914* Input:
915* cmd = Linux SCSI command packet of the command that cause the
916* bus reset.
917*
918* Returns:
919* SUCCESS/FAILURE (defined as macro in scsi.h).
920*
921**************************************************************************/
e5f82ab8 922static int
1da177e4
LT		 923qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
924{
e315cd28 925 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
bdf79621 926 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
2c3dfe3f 927 int ret = FAILED;
f4f051eb 928 unsigned int id, lun;
929 unsigned long serial;
17d98630 930 srb_t *sp = (srb_t *) CMD_SP(cmd);
f4f051eb 931
65d430fa 932 fc_block_scsi_eh(cmd);
07db5183 933
f4f051eb 934 id = cmd->device->id;
935 lun = cmd->device->lun;
936 serial = cmd->serial_number;
1da177e4 937
b0328bee 938 if (!fcport)
f4f051eb 939 return ret;
1da177e4 940
e315cd28 941 qla_printk(KERN_INFO, vha->hw,
749af3d5 942 "scsi(%ld:%d:%d): BUS RESET ISSUED.\n", vha->host_no, id, lun);
1da177e4 943
e315cd28 944 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1da177e4 945 DEBUG2(printk("%s failed:board disabled\n",__func__));
f4f051eb 946 goto eh_bus_reset_done;
1da177e4
LT		 947 }
948
e315cd28
AC		 949 if (qla2x00_wait_for_loop_ready(vha) == QLA_SUCCESS) {
950 if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
f4f051eb 951 ret = SUCCESS;
1da177e4 952 }
f4f051eb 953 if (ret == FAILED)
954 goto eh_bus_reset_done;
1da177e4 955
9a41a62b 956 /* Flush outstanding commands. */
17d98630 957 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) !=
523ec773 958 QLA_SUCCESS)
9a41a62b 959 ret = FAILED;
1da177e4 960
f4f051eb 961eh_bus_reset_done:
e315cd28 962 qla_printk(KERN_INFO, vha->hw, "%s: reset %s\n", __func__,
f4f051eb 963 (ret == FAILED) ? "failed" : "succeded");
1da177e4 964
f4f051eb 965 return ret;
1da177e4
LT		 966}
967
968/**************************************************************************
969* qla2xxx_eh_host_reset
970*
971* Description:
972* The reset function will reset the Adapter.
973*
974* Input:
975* cmd = Linux SCSI command packet of the command that cause the
976* adapter reset.
977*
978* Returns:
979* Either SUCCESS or FAILED.
980*
981* Note:
982**************************************************************************/
e5f82ab8 983static int
1da177e4
LT		 984qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
985{
e315cd28 986 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
bdf79621 987 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
e315cd28 988 struct qla_hw_data *ha = vha->hw;
2c3dfe3f 989 int ret = FAILED;
f4f051eb 990 unsigned int id, lun;
991 unsigned long serial;
17d98630 992 srb_t *sp = (srb_t *) CMD_SP(cmd);
e315cd28 993 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1da177e4 994
65d430fa 995 fc_block_scsi_eh(cmd);
07db5183 996
f4f051eb 997 id = cmd->device->id;
998 lun = cmd->device->lun;
999 serial = cmd->serial_number;
1000
b0328bee 1001 if (!fcport)
f4f051eb 1002 return ret;
1da177e4 1003
1da177e4 1004 qla_printk(KERN_INFO, ha,
e315cd28 1005 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", vha->host_no, id, lun);
1da177e4 1006
e315cd28 1007 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
f4f051eb 1008 goto eh_host_reset_lock;
1da177e4
LT		 1009
1010 /*
1011 * Fixme-may be dpc thread is active and processing
fa2a1ce5 1012 * loop_resync,so wait a while for it to
1da177e4
LT		 1013 * be completed and then issue big hammer.Otherwise
1014 * it may cause I/O failure as big hammer marks the
1015 * devices as lost kicking of the port_down_timer
1016 * while dpc is stuck for the mailbox to complete.
1017 */
e315cd28
AC		 1018 qla2x00_wait_for_loop_ready(vha);
1019 if (vha != base_vha) {
1020 if (qla2x00_vp_abort_isp(vha))
f4f051eb 1021 goto eh_host_reset_lock;
e315cd28 1022 } else {
68ca949c
AC		 1023 if (ha->wq)
1024 flush_workqueue(ha->wq);
1025
e315cd28
AC		 1026 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1027 if (qla2x00_abort_isp(base_vha)) {
1028 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1029 /* failed. schedule dpc to try */
1030 set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1031
1032 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
1033 goto eh_host_reset_lock;
1034 }
1035 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
fa2a1ce5 1036 }
1da177e4 1037
e315cd28 1038 /* Waiting for command to be returned to OS.*/
17d98630 1039 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) ==
e315cd28 1040 QLA_SUCCESS)
f4f051eb 1041 ret = SUCCESS;
1da177e4 1042
f4f051eb 1043eh_host_reset_lock:
f4f051eb 1044 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1045 (ret == FAILED) ? "failed" : "succeded");
1da177e4 1046
f4f051eb 1047 return ret;
1048}
1da177e4
LT		 1049
1050/*
1051* qla2x00_loop_reset
1052* Issue loop reset.
1053*
1054* Input:
1055* ha = adapter block pointer.
1056*
1057* Returns:
1058* 0 = success
1059*/
a4722cf2 1060int
e315cd28 1061qla2x00_loop_reset(scsi_qla_host_t *vha)
1da177e4 1062{
0c8c39af 1063 int ret;
bdf79621 1064 struct fc_port *fcport;
e315cd28 1065 struct qla_hw_data *ha = vha->hw;
1da177e4 1066
55e5ed27
AV		 1067 if (ha->flags.enable_target_reset) {
1068 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1069 if (fcport->port_type != FCT_TARGET)
1070 continue;
1071
1072 ret = ha->isp_ops->target_reset(fcport, 0, 0);
1073 if (ret != QLA_SUCCESS) {
1074 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1075 "target_reset=%d d_id=%x.\n", __func__,
1076 vha->host_no, ret, fcport->d_id.b24));
1077 }
1078 }
1079 }
1080
0d6e61bc 1081 if (ha->flags.enable_lip_full_login && !IS_QLA81XX(ha)) {
e315cd28 1082 ret = qla2x00_full_login_lip(vha);
0c8c39af 1083 if (ret != QLA_SUCCESS) {
749af3d5 1084 DEBUG2_3(printk("%s(%ld): failed: "
e315cd28 1085 "full_login_lip=%d.\n", __func__, vha->host_no,
0c8c39af 1086 ret));
749af3d5
AC		 1087 }
1088 atomic_set(&vha->loop_state, LOOP_DOWN);
1089 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1090 qla2x00_mark_all_devices_lost(vha, 0);
1091 qla2x00_wait_for_loop_ready(vha);
0c8c39af
AV		 1092 }
1093
0d6e61bc 1094 if (ha->flags.enable_lip_reset) {
e315cd28 1095 ret = qla2x00_lip_reset(vha);
0c8c39af 1096 if (ret != QLA_SUCCESS) {
749af3d5 1097 DEBUG2_3(printk("%s(%ld): failed: "
e315cd28
AC		 1098 "lip_reset=%d.\n", __func__, vha->host_no, ret));
1099 } else
1100 qla2x00_wait_for_loop_ready(vha);
1da177e4
LT		 1101 }
1102
1da177e4 1103 /* Issue marker command only when we are going to start the I/O */
e315cd28 1104 vha->marker_needed = 1;
1da177e4 1105
0c8c39af 1106 return QLA_SUCCESS;
1da177e4
LT		 1107}
1108
df4bf0bb 1109void
e315cd28 1110qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
df4bf0bb 1111{
73208dfd 1112 int que, cnt;
df4bf0bb
AV		 1113 unsigned long flags;
1114 srb_t *sp;
ac280b67 1115 struct srb_ctx *ctx;
e315cd28 1116 struct qla_hw_data *ha = vha->hw;
73208dfd 1117 struct req_que *req;
df4bf0bb
AV		 1118
1119 spin_lock_irqsave(&ha->hardware_lock, flags);
2afa19a9 1120 for (que = 0; que < ha->max_req_queues; que++) {
29bdccbe 1121 req = ha->req_q_map[que];
73208dfd
AC		 1122 if (!req)
1123 continue;
1124 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1125 sp = req->outstanding_cmds[cnt];
e612d465 1126 if (sp) {
73208dfd 1127 req->outstanding_cmds[cnt] = NULL;
ac280b67
AV		 1128 if (!sp->ctx) {
1129 sp->cmd->result = res;
1130 qla2x00_sp_compl(ha, sp);
1131 } else {
1132 ctx = sp->ctx;
db3ad7f8
GM		 1133 if (ctx->type == SRB_LOGIN_CMD || ctx->type == SRB_LOGOUT_CMD) {
1134 del_timer_sync(&ctx->timer);
1135 ctx->free(sp);
1136 } else {
1137 struct srb_bsg* sp_bsg = (struct srb_bsg*)sp->ctx;
1138 if (sp_bsg->bsg_job->request->msgcode == FC_BSG_HST_CT)
1139 kfree(sp->fcport);
1140 sp_bsg->bsg_job->req->errors = 0;
1141 sp_bsg->bsg_job->reply->result = res;
1142 sp_bsg->bsg_job->job_done(sp_bsg->bsg_job);
1143 kfree(sp->ctx);
1144 mempool_free(sp, ha->srb_mempool);
1145 }
ac280b67 1146 }
73208dfd 1147 }
df4bf0bb
AV		 1148 }
1149 }
1150 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1151}
1152
f4f051eb 1153static int
1154qla2xxx_slave_alloc(struct scsi_device *sdev)
1da177e4 1155{
bdf79621 1156 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1da177e4 1157
19a7b4ae 1158 if (!rport || fc_remote_port_chkready(rport))
f4f051eb 1159 return -ENXIO;
bdf79621 1160
19a7b4ae 1161 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1da177e4 1162
f4f051eb 1163 return 0;
1164}
1da177e4 1165
f4f051eb 1166static int
1167qla2xxx_slave_configure(struct scsi_device *sdev)
1168{
e315cd28
AC		 1169 scsi_qla_host_t *vha = shost_priv(sdev->host);
1170 struct qla_hw_data *ha = vha->hw;
8482e118 1171 struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
2afa19a9 1172 struct req_que *req = vha->req;
8482e118 1173
f4f051eb 1174 if (sdev->tagged_supported)
73208dfd 1175 scsi_activate_tcq(sdev, req->max_q_depth);
f4f051eb 1176 else
73208dfd 1177 scsi_deactivate_tcq(sdev, req->max_q_depth);
1da177e4 1178
85821c90 1179 rport->dev_loss_tmo = ha->port_down_retry_count;
8482e118 1180
f4f051eb 1181 return 0;
1182}
1da177e4 1183
f4f051eb 1184static void
1185qla2xxx_slave_destroy(struct scsi_device *sdev)
1186{
1187 sdev->hostdata = NULL;
1da177e4
LT		 1188}
1189
c45dd305
GM		 1190static void qla2x00_handle_queue_full(struct scsi_device *sdev, int qdepth)
1191{
1192 fc_port_t *fcport = (struct fc_port *) sdev->hostdata;
1193
1194 if (!scsi_track_queue_full(sdev, qdepth))
1195 return;
1196
1197 DEBUG2(qla_printk(KERN_INFO, fcport->vha->hw,
1198 "scsi(%ld:%d:%d:%d): Queue depth adjusted-down to %d.\n",
1199 fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun,
1200 sdev->queue_depth));
1201}
1202
1203static void qla2x00_adjust_sdev_qdepth_up(struct scsi_device *sdev, int qdepth)
1204{
1205 fc_port_t *fcport = sdev->hostdata;
1206 struct scsi_qla_host *vha = fcport->vha;
1207 struct qla_hw_data *ha = vha->hw;
1208 struct req_que *req = NULL;
1209
1210 req = vha->req;
1211 if (!req)
1212 return;
1213
1214 if (req->max_q_depth <= sdev->queue_depth || req->max_q_depth < qdepth)
1215 return;
1216
1217 if (sdev->ordered_tags)
1218 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, qdepth);
1219 else
1220 scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, qdepth);
1221
1222 DEBUG2(qla_printk(KERN_INFO, ha,
1223 "scsi(%ld:%d:%d:%d): Queue depth adjusted-up to %d.\n",
1224 fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun,
1225 sdev->queue_depth));
1226}
1227
ce7e4af7 1228static int
e881a172 1229qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
ce7e4af7 1230{
c45dd305
GM		 1231 switch (reason) {
1232 case SCSI_QDEPTH_DEFAULT:
1233 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1234 break;
1235 case SCSI_QDEPTH_QFULL:
1236 qla2x00_handle_queue_full(sdev, qdepth);
1237 break;
1238 case SCSI_QDEPTH_RAMP_UP:
1239 qla2x00_adjust_sdev_qdepth_up(sdev, qdepth);
1240 break;
1241 default:
08002af2 1242 return -EOPNOTSUPP;
c45dd305 1243 }
e881a172 1244
ce7e4af7
AV		 1245 return sdev->queue_depth;
1246}
1247
1248static int
1249qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1250{
1251 if (sdev->tagged_supported) {
1252 scsi_set_tag_type(sdev, tag_type);
1253 if (tag_type)
1254 scsi_activate_tcq(sdev, sdev->queue_depth);
1255 else
1256 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1257 } else
1258 tag_type = 0;
1259
1260 return tag_type;
1261}
1262
1da177e4
LT		 1263/**
1264 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1265 * @ha: HA context
1266 *
1267 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1268 * supported addressing method.
1269 */
1270static void
53303c42 1271qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1da177e4 1272{
7524f9b9 1273 /* Assume a 32bit DMA mask. */
1da177e4 1274 ha->flags.enable_64bit_addressing = 0;
1da177e4 1275
6a35528a 1276 if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
7524f9b9
AV		 1277 /* Any upper-dword bits set? */
1278 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
6a35528a 1279 !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
7524f9b9 1280 /* Ok, a 64bit DMA mask is applicable. */
1da177e4 1281 ha->flags.enable_64bit_addressing = 1;
fd34f556
AV		 1282 ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1283 ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
7524f9b9 1284 return;
1da177e4 1285 }
1da177e4 1286 }
7524f9b9 1287
284901a9
YH		 1288 dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1289 pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1da177e4
LT		 1290}
1291
fd34f556 1292static void
e315cd28 1293qla2x00_enable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1294{
1295 unsigned long flags = 0;
1296 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1297
1298 spin_lock_irqsave(&ha->hardware_lock, flags);
1299 ha->interrupts_on = 1;
1300 /* enable risc and host interrupts */
1301 WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1302 RD_REG_WORD(&reg->ictrl);
1303 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1304
1305}
1306
1307static void
e315cd28 1308qla2x00_disable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1309{
1310 unsigned long flags = 0;
1311 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1312
1313 spin_lock_irqsave(&ha->hardware_lock, flags);
1314 ha->interrupts_on = 0;
1315 /* disable risc and host interrupts */
1316 WRT_REG_WORD(&reg->ictrl, 0);
1317 RD_REG_WORD(&reg->ictrl);
1318 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1319}
1320
1321static void
e315cd28 1322qla24xx_enable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1323{
1324 unsigned long flags = 0;
1325 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1326
1327 spin_lock_irqsave(&ha->hardware_lock, flags);
1328 ha->interrupts_on = 1;
1329 WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1330 RD_REG_DWORD(&reg->ictrl);
1331 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1332}
1333
1334static void
e315cd28 1335qla24xx_disable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1336{
1337 unsigned long flags = 0;
1338 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1339
124f85e6
AV		 1340 if (IS_NOPOLLING_TYPE(ha))
1341 return;
fd34f556
AV		 1342 spin_lock_irqsave(&ha->hardware_lock, flags);
1343 ha->interrupts_on = 0;
1344 WRT_REG_DWORD(&reg->ictrl, 0);
1345 RD_REG_DWORD(&reg->ictrl);
1346 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1347}
1348
1349static struct isp_operations qla2100_isp_ops = {
1350 .pci_config = qla2100_pci_config,
1351 .reset_chip = qla2x00_reset_chip,
1352 .chip_diag = qla2x00_chip_diag,
1353 .config_rings = qla2x00_config_rings,
1354 .reset_adapter = qla2x00_reset_adapter,
1355 .nvram_config = qla2x00_nvram_config,
1356 .update_fw_options = qla2x00_update_fw_options,
1357 .load_risc = qla2x00_load_risc,
1358 .pci_info_str = qla2x00_pci_info_str,
1359 .fw_version_str = qla2x00_fw_version_str,
1360 .intr_handler = qla2100_intr_handler,
1361 .enable_intrs = qla2x00_enable_intrs,
1362 .disable_intrs = qla2x00_disable_intrs,
1363 .abort_command = qla2x00_abort_command,
523ec773
AV		 1364 .target_reset = qla2x00_abort_target,
1365 .lun_reset = qla2x00_lun_reset,
fd34f556
AV		 1366 .fabric_login = qla2x00_login_fabric,
1367 .fabric_logout = qla2x00_fabric_logout,
1368 .calc_req_entries = qla2x00_calc_iocbs_32,
1369 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1370 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1371 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1372 .read_nvram = qla2x00_read_nvram_data,
1373 .write_nvram = qla2x00_write_nvram_data,
1374 .fw_dump = qla2100_fw_dump,
1375 .beacon_on = NULL,
1376 .beacon_off = NULL,
1377 .beacon_blink = NULL,
1378 .read_optrom = qla2x00_read_optrom_data,
1379 .write_optrom = qla2x00_write_optrom_data,
1380 .get_flash_version = qla2x00_get_flash_version,
e315cd28 1381 .start_scsi = qla2x00_start_scsi,
fd34f556
AV		 1382};
1383
1384static struct isp_operations qla2300_isp_ops = {
1385 .pci_config = qla2300_pci_config,
1386 .reset_chip = qla2x00_reset_chip,
1387 .chip_diag = qla2x00_chip_diag,
1388 .config_rings = qla2x00_config_rings,
1389 .reset_adapter = qla2x00_reset_adapter,
1390 .nvram_config = qla2x00_nvram_config,
1391 .update_fw_options = qla2x00_update_fw_options,
1392 .load_risc = qla2x00_load_risc,
1393 .pci_info_str = qla2x00_pci_info_str,
1394 .fw_version_str = qla2x00_fw_version_str,
1395 .intr_handler = qla2300_intr_handler,
1396 .enable_intrs = qla2x00_enable_intrs,
1397 .disable_intrs = qla2x00_disable_intrs,
1398 .abort_command = qla2x00_abort_command,
523ec773
AV		 1399 .target_reset = qla2x00_abort_target,
1400 .lun_reset = qla2x00_lun_reset,
fd34f556
AV		 1401 .fabric_login = qla2x00_login_fabric,
1402 .fabric_logout = qla2x00_fabric_logout,
1403 .calc_req_entries = qla2x00_calc_iocbs_32,
1404 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1405 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1406 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1407 .read_nvram = qla2x00_read_nvram_data,
1408 .write_nvram = qla2x00_write_nvram_data,
1409 .fw_dump = qla2300_fw_dump,
1410 .beacon_on = qla2x00_beacon_on,
1411 .beacon_off = qla2x00_beacon_off,
1412 .beacon_blink = qla2x00_beacon_blink,
1413 .read_optrom = qla2x00_read_optrom_data,
1414 .write_optrom = qla2x00_write_optrom_data,
1415 .get_flash_version = qla2x00_get_flash_version,
e315cd28 1416 .start_scsi = qla2x00_start_scsi,
fd34f556
AV		 1417};
1418
1419static struct isp_operations qla24xx_isp_ops = {
1420 .pci_config = qla24xx_pci_config,
1421 .reset_chip = qla24xx_reset_chip,
1422 .chip_diag = qla24xx_chip_diag,
1423 .config_rings = qla24xx_config_rings,
1424 .reset_adapter = qla24xx_reset_adapter,
1425 .nvram_config = qla24xx_nvram_config,
1426 .update_fw_options = qla24xx_update_fw_options,
1427 .load_risc = qla24xx_load_risc,
1428 .pci_info_str = qla24xx_pci_info_str,
1429 .fw_version_str = qla24xx_fw_version_str,
1430 .intr_handler = qla24xx_intr_handler,
1431 .enable_intrs = qla24xx_enable_intrs,
1432 .disable_intrs = qla24xx_disable_intrs,
1433 .abort_command = qla24xx_abort_command,
523ec773
AV		 1434 .target_reset = qla24xx_abort_target,
1435 .lun_reset = qla24xx_lun_reset,
fd34f556
AV		 1436 .fabric_login = qla24xx_login_fabric,
1437 .fabric_logout = qla24xx_fabric_logout,
1438 .calc_req_entries = NULL,
1439 .build_iocbs = NULL,
1440 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1441 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1442 .read_nvram = qla24xx_read_nvram_data,
1443 .write_nvram = qla24xx_write_nvram_data,
1444 .fw_dump = qla24xx_fw_dump,
1445 .beacon_on = qla24xx_beacon_on,
1446 .beacon_off = qla24xx_beacon_off,
1447 .beacon_blink = qla24xx_beacon_blink,
1448 .read_optrom = qla24xx_read_optrom_data,
1449 .write_optrom = qla24xx_write_optrom_data,
1450 .get_flash_version = qla24xx_get_flash_version,
e315cd28 1451 .start_scsi = qla24xx_start_scsi,
fd34f556
AV		 1452};
1453
c3a2f0df
AV		 1454static struct isp_operations qla25xx_isp_ops = {
1455 .pci_config = qla25xx_pci_config,
1456 .reset_chip = qla24xx_reset_chip,
1457 .chip_diag = qla24xx_chip_diag,
1458 .config_rings = qla24xx_config_rings,
1459 .reset_adapter = qla24xx_reset_adapter,
1460 .nvram_config = qla24xx_nvram_config,
1461 .update_fw_options = qla24xx_update_fw_options,
1462 .load_risc = qla24xx_load_risc,
1463 .pci_info_str = qla24xx_pci_info_str,
1464 .fw_version_str = qla24xx_fw_version_str,
1465 .intr_handler = qla24xx_intr_handler,
1466 .enable_intrs = qla24xx_enable_intrs,
1467 .disable_intrs = qla24xx_disable_intrs,
1468 .abort_command = qla24xx_abort_command,
523ec773
AV		 1469 .target_reset = qla24xx_abort_target,
1470 .lun_reset = qla24xx_lun_reset,
c3a2f0df
AV		 1471 .fabric_login = qla24xx_login_fabric,
1472 .fabric_logout = qla24xx_fabric_logout,
1473 .calc_req_entries = NULL,
1474 .build_iocbs = NULL,
1475 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1476 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1477 .read_nvram = qla25xx_read_nvram_data,
1478 .write_nvram = qla25xx_write_nvram_data,
1479 .fw_dump = qla25xx_fw_dump,
1480 .beacon_on = qla24xx_beacon_on,
1481 .beacon_off = qla24xx_beacon_off,
1482 .beacon_blink = qla24xx_beacon_blink,
338c9161 1483 .read_optrom = qla25xx_read_optrom_data,
c3a2f0df
AV		 1484 .write_optrom = qla24xx_write_optrom_data,
1485 .get_flash_version = qla24xx_get_flash_version,
e315cd28 1486 .start_scsi = qla24xx_start_scsi,
c3a2f0df
AV		 1487};
1488
3a03eb79
AV		 1489static struct isp_operations qla81xx_isp_ops = {
1490 .pci_config = qla25xx_pci_config,
1491 .reset_chip = qla24xx_reset_chip,
1492 .chip_diag = qla24xx_chip_diag,
1493 .config_rings = qla24xx_config_rings,
1494 .reset_adapter = qla24xx_reset_adapter,
1495 .nvram_config = qla81xx_nvram_config,
1496 .update_fw_options = qla81xx_update_fw_options,
eaac30be 1497 .load_risc = qla81xx_load_risc,
3a03eb79
AV		 1498 .pci_info_str = qla24xx_pci_info_str,
1499 .fw_version_str = qla24xx_fw_version_str,
1500 .intr_handler = qla24xx_intr_handler,
1501 .enable_intrs = qla24xx_enable_intrs,
1502 .disable_intrs = qla24xx_disable_intrs,
1503 .abort_command = qla24xx_abort_command,
1504 .target_reset = qla24xx_abort_target,
1505 .lun_reset = qla24xx_lun_reset,
1506 .fabric_login = qla24xx_login_fabric,
1507 .fabric_logout = qla24xx_fabric_logout,
1508 .calc_req_entries = NULL,
1509 .build_iocbs = NULL,
1510 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1511 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
3d79038f
AV		 1512 .read_nvram = NULL,
1513 .write_nvram = NULL,
3a03eb79
AV		 1514 .fw_dump = qla81xx_fw_dump,
1515 .beacon_on = qla24xx_beacon_on,
1516 .beacon_off = qla24xx_beacon_off,
1517 .beacon_blink = qla24xx_beacon_blink,
1518 .read_optrom = qla25xx_read_optrom_data,
1519 .write_optrom = qla24xx_write_optrom_data,
1520 .get_flash_version = qla24xx_get_flash_version,
1521 .start_scsi = qla24xx_start_scsi,
3a03eb79
AV		 1522};
1523
ea5b6382 1524static inline void
e315cd28 1525qla2x00_set_isp_flags(struct qla_hw_data *ha)
ea5b6382 1526{
1527 ha->device_type = DT_EXTENDED_IDS;
1528 switch (ha->pdev->device) {
1529 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1530 ha->device_type |= DT_ISP2100;
1531 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1532 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382 1533 break;
1534 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1535 ha->device_type |= DT_ISP2200;
1536 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1537 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382 1538 break;
1539 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1540 ha->device_type |= DT_ISP2300;
4a59f71d 1541 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1542 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1543 break;
1544 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1545 ha->device_type |= DT_ISP2312;
4a59f71d 1546 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1547 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1548 break;
1549 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1550 ha->device_type |= DT_ISP2322;
4a59f71d 1551 ha->device_type |= DT_ZIO_SUPPORTED;
ea5b6382 1552 if (ha->pdev->subsystem_vendor == 0x1028 &&
1553 ha->pdev->subsystem_device == 0x0170)
1554 ha->device_type |= DT_OEM_001;
441d1072 1555 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1556 break;
1557 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1558 ha->device_type |= DT_ISP6312;
441d1072 1559 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1560 break;
1561 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1562 ha->device_type |= DT_ISP6322;
441d1072 1563 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1564 break;
1565 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1566 ha->device_type |= DT_ISP2422;
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;
1572 case PCI_DEVICE_ID_QLOGIC_ISP2432:
1573 ha->device_type |= DT_ISP2432;
4a59f71d 1574 ha->device_type |= DT_ZIO_SUPPORTED;
e428924c 1575 ha->device_type |= DT_FWI2;
c76f2c01 1576 ha->device_type |= DT_IIDMA;
441d1072 1577 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1578 break;
4d4df193
HK		 1579 case PCI_DEVICE_ID_QLOGIC_ISP8432:
1580 ha->device_type |= DT_ISP8432;
1581 ha->device_type |= DT_ZIO_SUPPORTED;
1582 ha->device_type |= DT_FWI2;
1583 ha->device_type |= DT_IIDMA;
1584 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1585 break;
044cc6c8 1586 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1587 ha->device_type |= DT_ISP5422;
e428924c 1588 ha->device_type |= DT_FWI2;
441d1072 1589 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1590 break;
044cc6c8 1591 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1592 ha->device_type |= DT_ISP5432;
e428924c 1593 ha->device_type |= DT_FWI2;
441d1072 1594 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1595 break;
c3a2f0df
AV		 1596 case PCI_DEVICE_ID_QLOGIC_ISP2532:
1597 ha->device_type |= DT_ISP2532;
1598 ha->device_type |= DT_ZIO_SUPPORTED;
1599 ha->device_type |= DT_FWI2;
1600 ha->device_type |= DT_IIDMA;
441d1072 1601 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1602 break;
3a03eb79
AV		 1603 case PCI_DEVICE_ID_QLOGIC_ISP8001:
1604 ha->device_type |= DT_ISP8001;
1605 ha->device_type |= DT_ZIO_SUPPORTED;
1606 ha->device_type |= DT_FWI2;
1607 ha->device_type |= DT_IIDMA;
1608 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1609 break;
ea5b6382 1610 }
e5b68a61
AC		 1611
1612 /* Get adapter physical port no from interrupt pin register. */
1613 pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
1614 if (ha->port_no & 1)
1615 ha->flags.port0 = 1;
1616 else
1617 ha->flags.port0 = 0;
ea5b6382 1618}
1619
1da177e4 1620static int
e315cd28 1621qla2x00_iospace_config(struct qla_hw_data *ha)
1da177e4 1622{
3776541d 1623 resource_size_t pio;
73208dfd 1624 uint16_t msix;
68ca949c 1625 int cpus;
1da177e4 1626
285d0321
AV		 1627 if (pci_request_selected_regions(ha->pdev, ha->bars,
1628 QLA2XXX_DRIVER_NAME)) {
1629 qla_printk(KERN_WARNING, ha,
1630 "Failed to reserve PIO/MMIO regions (%s)\n",
1631 pci_name(ha->pdev));
1632
1633 goto iospace_error_exit;
1634 }
1635 if (!(ha->bars & 1))
1636 goto skip_pio;
1637
1da177e4
LT		 1638 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1639 pio = pci_resource_start(ha->pdev, 0);
3776541d
AV		 1640 if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1641 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1da177e4
LT		 1642 qla_printk(KERN_WARNING, ha,
1643 "Invalid PCI I/O region size (%s)...\n",
1644 pci_name(ha->pdev));
1645 pio = 0;
1646 }
1647 } else {
1648 qla_printk(KERN_WARNING, ha,
1649 "region #0 not a PIO resource (%s)...\n",
1650 pci_name(ha->pdev));
1651 pio = 0;
1652 }
285d0321 1653 ha->pio_address = pio;
1da177e4 1654
285d0321 1655skip_pio:
1da177e4 1656 /* Use MMIO operations for all accesses. */
3776541d 1657 if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1da177e4 1658 qla_printk(KERN_ERR, ha,
3776541d 1659 "region #1 not an MMIO resource (%s), aborting\n",
1da177e4
LT		 1660 pci_name(ha->pdev));
1661 goto iospace_error_exit;
1662 }
3776541d 1663 if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1da177e4
LT		 1664 qla_printk(KERN_ERR, ha,
1665 "Invalid PCI mem region size (%s), aborting\n",
1666 pci_name(ha->pdev));
1667 goto iospace_error_exit;
1668 }
1669
3776541d 1670 ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1da177e4
LT		 1671 if (!ha->iobase) {
1672 qla_printk(KERN_ERR, ha,
1673 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1674
1675 goto iospace_error_exit;
1676 }
1677
73208dfd 1678 /* Determine queue resources */
2afa19a9 1679 ha->max_req_queues = ha->max_rsp_queues = 1;
d84a47c2
MH		 1680 if ((ql2xmaxqueues <= 1 && !ql2xmultique_tag) ||
1681 (ql2xmaxqueues > 1 && ql2xmultique_tag) ||
2afa19a9 1682 (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
17d98630 1683 goto mqiobase_exit;
d84a47c2 1684
17d98630
AC		 1685 ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1686 pci_resource_len(ha->pdev, 3));
1687 if (ha->mqiobase) {
1688 /* Read MSIX vector size of the board */
1689 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1690 ha->msix_count = msix;
68ca949c
AC		 1691 /* Max queues are bounded by available msix vectors */
1692 /* queue 0 uses two msix vectors */
1693 if (ql2xmultique_tag) {
1694 cpus = num_online_cpus();
27dc9c5a 1695 ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ?
68ca949c
AC		 1696 (cpus + 1) : (ha->msix_count - 1);
1697 ha->max_req_queues = 2;
1698 } else if (ql2xmaxqueues > 1) {
2afa19a9
AC		 1699 ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ?
1700 QLA_MQ_SIZE : ql2xmaxqueues;
1701 DEBUG2(qla_printk(KERN_INFO, ha, "QoS mode set, max no"
1702 " of request queues:%d\n", ha->max_req_queues));
1703 }
68ca949c
AC		 1704 qla_printk(KERN_INFO, ha,
1705 "MSI-X vector count: %d\n", msix);
2afa19a9
AC		 1706 } else
1707 qla_printk(KERN_INFO, ha, "BAR 3 not enabled\n");
17d98630
AC		 1708
1709mqiobase_exit:
2afa19a9 1710 ha->msix_count = ha->max_rsp_queues + 1;
1da177e4
LT		 1711 return (0);
1712
1713iospace_error_exit:
1714 return (-ENOMEM);
1715}
1716
1e99e33a
AV		 1717static void
1718qla2xxx_scan_start(struct Scsi_Host *shost)
1719{
e315cd28 1720 scsi_qla_host_t *vha = shost_priv(shost);
1e99e33a 1721
cbc8eb67
AV		 1722 if (vha->hw->flags.running_gold_fw)
1723 return;
1724
e315cd28
AC		 1725 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1726 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1727 set_bit(RSCN_UPDATE, &vha->dpc_flags);
1728 set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
1e99e33a
AV		 1729}
1730
1731static int
1732qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1733{
e315cd28 1734 scsi_qla_host_t *vha = shost_priv(shost);
1e99e33a 1735
e315cd28 1736 if (!vha->host)
1e99e33a 1737 return 1;
e315cd28 1738 if (time > vha->hw->loop_reset_delay * HZ)
1e99e33a
AV		 1739 return 1;
1740
e315cd28 1741 return atomic_read(&vha->loop_state) == LOOP_READY;
1e99e33a
AV		 1742}
1743
1da177e4
LT		 1744/*
1745 * PCI driver interface
1746 */
7ee61397
AV		 1747static int __devinit
1748qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1da177e4 1749{
a1541d5a 1750 int ret = -ENODEV;
1da177e4 1751 struct Scsi_Host *host;
e315cd28
AC		 1752 scsi_qla_host_t *base_vha = NULL;
1753 struct qla_hw_data *ha;
29856e28 1754 char pci_info[30];
1da177e4 1755 char fw_str[30];
5433383e 1756 struct scsi_host_template *sht;
c51da4ec 1757 int bars, max_id, mem_only = 0;
e315cd28 1758 uint16_t req_length = 0, rsp_length = 0;
73208dfd
AC		 1759 struct req_que *req = NULL;
1760 struct rsp_que *rsp = NULL;
1da177e4 1761
285d0321 1762 bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
a5326f86 1763 sht = &qla2xxx_driver_template;
5433383e 1764 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
8bc69e7d 1765 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
4d4df193 1766 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
8bc69e7d 1767 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
c3a2f0df 1768 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
3a03eb79
AV		 1769 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
1770 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001) {
285d0321 1771 bars = pci_select_bars(pdev, IORESOURCE_MEM);
09483916 1772 mem_only = 1;
285d0321
AV		 1773 }
1774
09483916
BH		 1775 if (mem_only) {
1776 if (pci_enable_device_mem(pdev))
1777 goto probe_out;
1778 } else {
1779 if (pci_enable_device(pdev))
1780 goto probe_out;
1781 }
285d0321 1782
0927678f
JB		 1783 /* This may fail but that's ok */
1784 pci_enable_pcie_error_reporting(pdev);
285d0321 1785
e315cd28
AC		 1786 ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
1787 if (!ha) {
1788 DEBUG(printk("Unable to allocate memory for ha\n"));
1789 goto probe_out;
1da177e4 1790 }
e315cd28 1791 ha->pdev = pdev;
1da177e4
LT		 1792
1793 /* Clear our data area */
285d0321 1794 ha->bars = bars;
09483916 1795 ha->mem_only = mem_only;
df4bf0bb 1796 spin_lock_init(&ha->hardware_lock);
1da177e4 1797
ea5b6382 1798 /* Set ISP-type information. */
1799 qla2x00_set_isp_flags(ha);
ca79cf66
DG		 1800
1801 /* Set EEH reset type to fundamental if required by hba */
1802 if ( IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha)) {
1803 pdev->needs_freset = 1;
ca79cf66
DG		 1804 }
1805
1da177e4
LT		 1806 /* Configure PCI I/O space */
1807 ret = qla2x00_iospace_config(ha);
a1541d5a 1808 if (ret)
e315cd28 1809 goto probe_hw_failed;
1da177e4 1810
1da177e4 1811 qla_printk(KERN_INFO, ha,
5433383e
AV		 1812 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1813 ha->iobase);
1da177e4 1814
1da177e4 1815 ha->prev_topology = 0;
fca29703 1816 ha->init_cb_size = sizeof(init_cb_t);
d8b45213 1817 ha->link_data_rate = PORT_SPEED_UNKNOWN;
854165f4 1818 ha->optrom_size = OPTROM_SIZE_2300;
1da177e4 1819
abbd8870 1820 /* Assign ISP specific operations. */
e315cd28 1821 max_id = MAX_TARGETS_2200;
1da177e4 1822 if (IS_QLA2100(ha)) {
e315cd28 1823 max_id = MAX_TARGETS_2100;
1da177e4 1824 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
e315cd28
AC		 1825 req_length = REQUEST_ENTRY_CNT_2100;
1826 rsp_length = RESPONSE_ENTRY_CNT_2100;
1827 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
abbd8870 1828 ha->gid_list_info_size = 4;
3a03eb79
AV		 1829 ha->flash_conf_off = ~0;
1830 ha->flash_data_off = ~0;
1831 ha->nvram_conf_off = ~0;
1832 ha->nvram_data_off = ~0;
fd34f556 1833 ha->isp_ops = &qla2100_isp_ops;
1da177e4 1834 } else if (IS_QLA2200(ha)) {
1da177e4 1835 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1836 req_length = REQUEST_ENTRY_CNT_2200;
1837 rsp_length = RESPONSE_ENTRY_CNT_2100;
1838 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
abbd8870 1839 ha->gid_list_info_size = 4;
3a03eb79
AV		 1840 ha->flash_conf_off = ~0;
1841 ha->flash_data_off = ~0;
1842 ha->nvram_conf_off = ~0;
1843 ha->nvram_data_off = ~0;
fd34f556 1844 ha->isp_ops = &qla2100_isp_ops;
fca29703 1845 } else if (IS_QLA23XX(ha)) {
1da177e4 1846 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1847 req_length = REQUEST_ENTRY_CNT_2200;
1848 rsp_length = RESPONSE_ENTRY_CNT_2300;
1849 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
abbd8870 1850 ha->gid_list_info_size = 6;
854165f4 1851 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1852 ha->optrom_size = OPTROM_SIZE_2322;
3a03eb79
AV		 1853 ha->flash_conf_off = ~0;
1854 ha->flash_data_off = ~0;
1855 ha->nvram_conf_off = ~0;
1856 ha->nvram_data_off = ~0;
fd34f556 1857 ha->isp_ops = &qla2300_isp_ops;
4d4df193 1858 } else if (IS_QLA24XX_TYPE(ha)) {
fca29703 1859 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1860 req_length = REQUEST_ENTRY_CNT_24XX;
1861 rsp_length = RESPONSE_ENTRY_CNT_2300;
1862 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2c3dfe3f 1863 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
fca29703 1864 ha->gid_list_info_size = 8;
854165f4 1865 ha->optrom_size = OPTROM_SIZE_24XX;
73208dfd 1866 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
fd34f556 1867 ha->isp_ops = &qla24xx_isp_ops;
3a03eb79
AV		 1868 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
1869 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
1870 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
1871 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
c3a2f0df 1872 } else if (IS_QLA25XX(ha)) {
c3a2f0df 1873 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1874 req_length = REQUEST_ENTRY_CNT_24XX;
1875 rsp_length = RESPONSE_ENTRY_CNT_2300;
1876 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
c3a2f0df 1877 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
c3a2f0df
AV		 1878 ha->gid_list_info_size = 8;
1879 ha->optrom_size = OPTROM_SIZE_25XX;
73208dfd 1880 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
c3a2f0df 1881 ha->isp_ops = &qla25xx_isp_ops;
3a03eb79
AV		 1882 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
1883 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
1884 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
1885 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
1886 } else if (IS_QLA81XX(ha)) {
1887 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1888 req_length = REQUEST_ENTRY_CNT_24XX;
1889 rsp_length = RESPONSE_ENTRY_CNT_2300;
1890 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1891 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
1892 ha->gid_list_info_size = 8;
1893 ha->optrom_size = OPTROM_SIZE_81XX;
40859ae5 1894 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3a03eb79
AV		 1895 ha->isp_ops = &qla81xx_isp_ops;
1896 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
1897 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
1898 ha->nvram_conf_off = ~0;
1899 ha->nvram_data_off = ~0;
1da177e4 1900 }
1da177e4 1901
6c2f527c 1902 mutex_init(&ha->vport_lock);
0b05a1f0
MB		 1903 init_completion(&ha->mbx_cmd_comp);
1904 complete(&ha->mbx_cmd_comp);
1905 init_completion(&ha->mbx_intr_comp);
1da177e4 1906
2c3dfe3f 1907 set_bit(0, (unsigned long *) ha->vp_idx_map);
1da177e4 1908
53303c42 1909 qla2x00_config_dma_addressing(ha);
73208dfd 1910 ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
e315cd28 1911 if (!ret) {
1da177e4
LT		 1912 qla_printk(KERN_WARNING, ha,
1913 "[ERROR] Failed to allocate memory for adapter\n");
1914
e315cd28
AC		 1915 goto probe_hw_failed;
1916 }
1917
73208dfd 1918 req->max_q_depth = MAX_Q_DEPTH;
e315cd28 1919 if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
73208dfd
AC		 1920 req->max_q_depth = ql2xmaxqdepth;
1921
e315cd28
AC		 1922
1923 base_vha = qla2x00_create_host(sht, ha);
1924 if (!base_vha) {
1925 qla_printk(KERN_WARNING, ha,
1926 "[ERROR] Failed to allocate memory for scsi_host\n");
1927
a1541d5a 1928 ret = -ENOMEM;
6e9f21f3 1929 qla2x00_mem_free(ha);
2afa19a9
AC		 1930 qla2x00_free_req_que(ha, req);
1931 qla2x00_free_rsp_que(ha, rsp);
e315cd28 1932 goto probe_hw_failed;
1da177e4
LT		 1933 }
1934
e315cd28
AC		 1935 pci_set_drvdata(pdev, base_vha);
1936
e315cd28 1937 host = base_vha->host;
2afa19a9 1938 base_vha->req = req;
73208dfd
AC		 1939 host->can_queue = req->length + 128;
1940 if (IS_QLA2XXX_MIDTYPE(ha))
e315cd28 1941 base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
73208dfd 1942 else
e315cd28
AC		 1943 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
1944 base_vha->vp_idx;
e315cd28
AC		 1945 if (IS_QLA2100(ha))
1946 host->sg_tablesize = 32;
1947 host->max_id = max_id;
1948 host->this_id = 255;
1949 host->cmd_per_lun = 3;
1950 host->unique_id = host->host_no;
1951 host->max_cmd_len = MAX_CMDSZ;
1952 host->max_channel = MAX_BUSES - 1;
1953 host->max_lun = MAX_LUNS;
1954 host->transportt = qla2xxx_transport_template;
9a069e19 1955 sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
e315cd28 1956
73208dfd
AC		 1957 /* Set up the irqs */
1958 ret = qla2x00_request_irqs(ha, rsp);
1959 if (ret)
6e9f21f3 1960 goto probe_init_failed;
90a86fc0
JC		 1961
1962 pci_save_state(pdev);
1963
73208dfd 1964 /* Alloc arrays of request and response ring ptrs */
7163ea81 1965que_init:
73208dfd
AC		 1966 if (!qla2x00_alloc_queues(ha)) {
1967 qla_printk(KERN_WARNING, ha,
1968 "[ERROR] Failed to allocate memory for queue"
1969 " pointers\n");
6e9f21f3 1970 goto probe_init_failed;
73208dfd
AC		 1971 }
1972 ha->rsp_q_map[0] = rsp;
1973 ha->req_q_map[0] = req;
2afa19a9
AC		 1974 rsp->req = req;
1975 req->rsp = rsp;
1976 set_bit(0, ha->req_qid_map);
1977 set_bit(0, ha->rsp_qid_map);
08029990
AV		 1978 /* FWI2-capable only. */
1979 req->req_q_in = &ha->iobase->isp24.req_q_in;
1980 req->req_q_out = &ha->iobase->isp24.req_q_out;
1981 rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
1982 rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
17d98630 1983 if (ha->mqenable) {
08029990
AV		 1984 req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
1985 req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
1986 rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
1987 rsp->rsp_q_out = &ha->mqiobase->isp25mq.rsp_q_out;
17d98630
AC		 1988 }
1989
e315cd28 1990 if (qla2x00_initialize_adapter(base_vha)) {
1da177e4
LT		 1991 qla_printk(KERN_WARNING, ha,
1992 "Failed to initialize adapter\n");
1993
1994 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1995 "Adapter flags %x.\n",
e315cd28 1996 base_vha->host_no, base_vha->device_flags));
1da177e4 1997
a1541d5a 1998 ret = -ENODEV;
1da177e4
LT		 1999 goto probe_failed;
2000 }
2001
7163ea81
AC		 2002 if (ha->mqenable) {
2003 if (qla25xx_setup_mode(base_vha)) {
68ca949c
AC		 2004 qla_printk(KERN_WARNING, ha,
2005 "Can't create queues, falling back to single"
2006 " queue mode\n");
7163ea81
AC		 2007 goto que_init;
2008 }
2009 }
68ca949c 2010
cbc8eb67
AV		 2011 if (ha->flags.running_gold_fw)
2012 goto skip_dpc;
2013
1da177e4
LT		 2014 /*
2015 * Startup the kernel thread for this host adapter
2016 */
39a11240 2017 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
e315cd28 2018 "%s_dpc", base_vha->host_str);
39a11240 2019 if (IS_ERR(ha->dpc_thread)) {
1da177e4
LT		 2020 qla_printk(KERN_WARNING, ha,
2021 "Unable to start DPC thread!\n");
39a11240 2022 ret = PTR_ERR(ha->dpc_thread);
1da177e4
LT		 2023 goto probe_failed;
2024 }
1da177e4 2025
cbc8eb67 2026skip_dpc:
e315cd28
AC		 2027 list_add_tail(&base_vha->list, &ha->vp_list);
2028 base_vha->host->irq = ha->pdev->irq;
1da177e4
LT		 2029
2030 /* Initialized the timer */
e315cd28 2031 qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
1da177e4
LT		 2032
2033 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
e315cd28 2034 base_vha->host_no, ha));
d19044c3 2035
a1541d5a
AV		 2036 ret = scsi_add_host(host, &pdev->dev);
2037 if (ret)
2038 goto probe_failed;
2039
1486400f
MR		 2040 base_vha->flags.init_done = 1;
2041 base_vha->flags.online = 1;
2042
048feec5
AV		 2043 ha->isp_ops->enable_intrs(ha);
2044
1e99e33a
AV		 2045 scsi_scan_host(host);
2046
e315cd28 2047 qla2x00_alloc_sysfs_attr(base_vha);
a1541d5a 2048
e315cd28 2049 qla2x00_init_host_attr(base_vha);
a1541d5a 2050
e315cd28 2051 qla2x00_dfs_setup(base_vha);
df613b96 2052
1da177e4
LT		 2053 qla_printk(KERN_INFO, ha, "\n"
2054 " QLogic Fibre Channel HBA Driver: %s\n"
2055 " QLogic %s - %s\n"
5433383e
AV		 2056 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
2057 qla2x00_version_str, ha->model_number,
e315cd28
AC		 2058 ha->model_desc ? ha->model_desc : "", pdev->device,
2059 ha->isp_ops->pci_info_str(base_vha, pci_info), pci_name(pdev),
2060 ha->flags.enable_64bit_addressing ? '+' : '-', base_vha->host_no,
2061 ha->isp_ops->fw_version_str(base_vha, fw_str));
1da177e4 2062
1da177e4
LT		 2063 return 0;
2064
6e9f21f3 2065probe_init_failed:
2afa19a9
AC		 2066 qla2x00_free_req_que(ha, req);
2067 qla2x00_free_rsp_que(ha, rsp);
2068 ha->max_req_queues = ha->max_rsp_queues = 0;
6e9f21f3 2069
1da177e4 2070probe_failed:
b9978769
AV		 2071 if (base_vha->timer_active)
2072 qla2x00_stop_timer(base_vha);
2073 base_vha->flags.online = 0;
2074 if (ha->dpc_thread) {
2075 struct task_struct *t = ha->dpc_thread;
2076
2077 ha->dpc_thread = NULL;
2078 kthread_stop(t);
2079 }
2080
e315cd28 2081 qla2x00_free_device(base_vha);
1da177e4 2082
e315cd28 2083 scsi_host_put(base_vha->host);
1da177e4 2084
e315cd28
AC		 2085probe_hw_failed:
2086 if (ha->iobase)
2087 iounmap(ha->iobase);
2088
2089 pci_release_selected_regions(ha->pdev, ha->bars);
2090 kfree(ha);
2091 ha = NULL;
1da177e4 2092
a1541d5a 2093probe_out:
e315cd28 2094 pci_disable_device(pdev);
a1541d5a 2095 return ret;
1da177e4 2096}
1da177e4 2097
4c993f76 2098static void
7ee61397 2099qla2x00_remove_one(struct pci_dev *pdev)
1da177e4 2100{
e315cd28
AC		 2101 scsi_qla_host_t *base_vha, *vha, *temp;
2102 struct qla_hw_data *ha;
2103
2104 base_vha = pci_get_drvdata(pdev);
2105 ha = base_vha->hw;
2106
2107 list_for_each_entry_safe(vha, temp, &ha->vp_list, list) {
2108 if (vha && vha->fc_vport)
2109 fc_vport_terminate(vha->fc_vport);
2110 }
1da177e4 2111
e315cd28 2112 set_bit(UNLOADING, &base_vha->dpc_flags);
1da177e4 2113
b9978769
AV		 2114 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
2115
e315cd28 2116 qla2x00_dfs_remove(base_vha);
c795c1e4 2117
e315cd28 2118 qla84xx_put_chip(base_vha);
c795c1e4 2119
b9978769
AV		 2120 /* Disable timer */
2121 if (base_vha->timer_active)
2122 qla2x00_stop_timer(base_vha);
2123
2124 base_vha->flags.online = 0;
2125
68ca949c
AC		 2126 /* Flush the work queue and remove it */
2127 if (ha->wq) {
2128 flush_workqueue(ha->wq);
2129 destroy_workqueue(ha->wq);
2130 ha->wq = NULL;
2131 }
2132
b9978769
AV		 2133 /* Kill the kernel thread for this host */
2134 if (ha->dpc_thread) {
2135 struct task_struct *t = ha->dpc_thread;
2136
2137 /*
2138 * qla2xxx_wake_dpc checks for ->dpc_thread
2139 * so we need to zero it out.
2140 */
2141 ha->dpc_thread = NULL;
2142 kthread_stop(t);
2143 }
2144
e315cd28 2145 qla2x00_free_sysfs_attr(base_vha);
df613b96 2146
e315cd28 2147 fc_remove_host(base_vha->host);
4d4df193 2148
e315cd28 2149 scsi_remove_host(base_vha->host);
1da177e4 2150
e315cd28 2151 qla2x00_free_device(base_vha);
bdf79621 2152
e315cd28 2153 scsi_host_put(base_vha->host);
1da177e4 2154
e315cd28
AC		 2155 if (ha->iobase)
2156 iounmap(ha->iobase);
1da177e4 2157
73208dfd
AC		 2158 if (ha->mqiobase)
2159 iounmap(ha->mqiobase);
2160
e315cd28
AC		 2161 pci_release_selected_regions(ha->pdev, ha->bars);
2162 kfree(ha);
2163 ha = NULL;
1da177e4 2164
90a86fc0
JC		 2165 pci_disable_pcie_error_reporting(pdev);
2166
665db93b 2167 pci_disable_device(pdev);
1da177e4
LT		 2168 pci_set_drvdata(pdev, NULL);
2169}
1da177e4
LT		 2170
2171static void
e315cd28 2172qla2x00_free_device(scsi_qla_host_t *vha)
1da177e4 2173{
e315cd28 2174 struct qla_hw_data *ha = vha->hw;
1da177e4 2175
85880801
AV		 2176 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
2177
2178 /* Disable timer */
2179 if (vha->timer_active)
2180 qla2x00_stop_timer(vha);
2181
2182 /* Kill the kernel thread for this host */
2183 if (ha->dpc_thread) {
2184 struct task_struct *t = ha->dpc_thread;
2185
2186 /*
2187 * qla2xxx_wake_dpc checks for ->dpc_thread
2188 * so we need to zero it out.
2189 */
2190 ha->dpc_thread = NULL;
2191 kthread_stop(t);
2192 }
2193
2afa19a9
AC		 2194 qla25xx_delete_queues(vha);
2195
df613b96 2196 if (ha->flags.fce_enabled)
e315cd28 2197 qla2x00_disable_fce_trace(vha, NULL, NULL);
df613b96 2198
a7a167bf 2199 if (ha->eft)
e315cd28 2200 qla2x00_disable_eft_trace(vha);
a7a167bf 2201
f6ef3b18 2202 /* Stop currently executing firmware. */
e315cd28 2203 qla2x00_try_to_stop_firmware(vha);
1da177e4 2204
85880801
AV		 2205 vha->flags.online = 0;
2206
f6ef3b18
AV		 2207 /* turn-off interrupts on the card */
2208 if (ha->interrupts_on)
fd34f556 2209 ha->isp_ops->disable_intrs(ha);
f6ef3b18 2210
e315cd28 2211 qla2x00_free_irqs(vha);
1da177e4 2212
e315cd28 2213 qla2x00_mem_free(ha);
73208dfd
AC		 2214
2215 qla2x00_free_queues(ha);
1da177e4
LT		 2216}
2217
d97994dc 2218static inline void
e315cd28 2219qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
d97994dc 2220 int defer)
2221{
d97994dc 2222 struct fc_rport *rport;
67becc00 2223 scsi_qla_host_t *base_vha;
d97994dc 2224
2225 if (!fcport->rport)
2226 return;
2227
2228 rport = fcport->rport;
2229 if (defer) {
67becc00 2230 base_vha = pci_get_drvdata(vha->hw->pdev);
e315cd28 2231 spin_lock_irq(vha->host->host_lock);
d97994dc 2232 fcport->drport = rport;
e315cd28 2233 spin_unlock_irq(vha->host->host_lock);
67becc00
AV		 2234 set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
2235 qla2xxx_wake_dpc(base_vha);
5f3a9a20 2236 } else
d97994dc 2237 fc_remote_port_delete(rport);
d97994dc 2238}
2239
1da177e4
LT		 2240/*
2241 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
2242 *
2243 * Input: ha = adapter block pointer. fcport = port structure pointer.
2244 *
2245 * Return: None.
2246 *
2247 * Context:
2248 */
e315cd28 2249void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
d97994dc 2250 int do_login, int defer)
1da177e4 2251{
2c3dfe3f 2252 if (atomic_read(&fcport->state) == FCS_ONLINE &&
e315cd28
AC		 2253 vha->vp_idx == fcport->vp_idx) {
2254 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2255 qla2x00_schedule_rport_del(vha, fcport, defer);
2256 }
fa2a1ce5 2257 /*
1da177e4
LT		 2258 * We may need to retry the login, so don't change the state of the
2259 * port but do the retries.
2260 */
2261 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
2262 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2263
2264 if (!do_login)
2265 return;
2266
2267 if (fcport->login_retry == 0) {
e315cd28
AC		 2268 fcport->login_retry = vha->hw->login_retry_count;
2269 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1da177e4
LT		 2270
2271 DEBUG(printk("scsi(%ld): Port login retry: "
2272 "%02x%02x%02x%02x%02x%02x%02x%02x, "
2273 "id = 0x%04x retry cnt=%d\n",
e315cd28 2274 vha->host_no,
1da177e4
LT		 2275 fcport->port_name[0],
2276 fcport->port_name[1],
2277 fcport->port_name[2],
2278 fcport->port_name[3],
2279 fcport->port_name[4],
2280 fcport->port_name[5],
2281 fcport->port_name[6],
2282 fcport->port_name[7],
2283 fcport->loop_id,
2284 fcport->login_retry));
2285 }
2286}
2287
2288/*
2289 * qla2x00_mark_all_devices_lost
2290 * Updates fcport state when device goes offline.
2291 *
2292 * Input:
2293 * ha = adapter block pointer.
2294 * fcport = port structure pointer.
2295 *
2296 * Return:
2297 * None.
2298 *
2299 * Context:
2300 */
2301void
e315cd28 2302qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
1da177e4
LT		 2303{
2304 fc_port_t *fcport;
2305
e315cd28 2306 list_for_each_entry(fcport, &vha->vp_fcports, list) {
0d6e61bc 2307 if (vha->vp_idx != 0 && vha->vp_idx != fcport->vp_idx)
1da177e4 2308 continue;
0d6e61bc 2309
1da177e4
LT		 2310 /*
2311 * No point in marking the device as lost, if the device is
2312 * already DEAD.
2313 */
2314 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
2315 continue;
e315cd28 2316 if (atomic_read(&fcport->state) == FCS_ONLINE) {
0d6e61bc
AV		 2317 if (defer)
2318 qla2x00_schedule_rport_del(vha, fcport, defer);
2319 else if (vha->vp_idx == fcport->vp_idx)
2320 qla2x00_schedule_rport_del(vha, fcport, defer);
2321 }
2322 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1da177e4
LT		 2323 }
2324}
2325
2326/*
2327* qla2x00_mem_alloc
2328* Allocates adapter memory.
2329*
2330* Returns:
2331* 0 = success.
e8711085 2332* !0 = failure.
1da177e4 2333*/
e8711085 2334static int
73208dfd
AC		 2335qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
2336 struct req_que **req, struct rsp_que **rsp)
1da177e4
LT		 2337{
2338 char name[16];
1da177e4 2339
e8711085 2340 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
e315cd28 2341 &ha->init_cb_dma, GFP_KERNEL);
e8711085 2342 if (!ha->init_cb)
e315cd28 2343 goto fail;
e8711085 2344
e315cd28
AC		 2345 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2346 &ha->gid_list_dma, GFP_KERNEL);
2347 if (!ha->gid_list)
e8711085 2348 goto fail_free_init_cb;
1da177e4 2349
e8711085
AV		 2350 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2351 if (!ha->srb_mempool)
e315cd28 2352 goto fail_free_gid_list;
e8711085
AV		 2353
2354 /* Get memory for cached NVRAM */
2355 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2356 if (!ha->nvram)
2357 goto fail_free_srb_mempool;
2358
e315cd28
AC		 2359 snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
2360 ha->pdev->device);
2361 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2362 DMA_POOL_SIZE, 8, 0);
2363 if (!ha->s_dma_pool)
2364 goto fail_free_nvram;
2365
e8711085
AV		 2366 /* Allocate memory for SNS commands */
2367 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
e315cd28 2368 /* Get consistent memory allocated for SNS commands */
e8711085 2369 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
e315cd28 2370 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
e8711085 2371 if (!ha->sns_cmd)
e315cd28 2372 goto fail_dma_pool;
e8711085 2373 } else {
e315cd28 2374 /* Get consistent memory allocated for MS IOCB */
e8711085 2375 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
e315cd28 2376 &ha->ms_iocb_dma);
e8711085 2377 if (!ha->ms_iocb)
e315cd28
AC		 2378 goto fail_dma_pool;
2379 /* Get consistent memory allocated for CT SNS commands */
e8711085 2380 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
e315cd28 2381 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
e8711085
AV		 2382 if (!ha->ct_sns)
2383 goto fail_free_ms_iocb;
1da177e4
LT		 2384 }
2385
e315cd28 2386 /* Allocate memory for request ring */
73208dfd
AC		 2387 *req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
2388 if (!*req) {
e315cd28
AC		 2389 DEBUG(printk("Unable to allocate memory for req\n"));
2390 goto fail_req;
2391 }
73208dfd
AC		 2392 (*req)->length = req_len;
2393 (*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
2394 ((*req)->length + 1) * sizeof(request_t),
2395 &(*req)->dma, GFP_KERNEL);
2396 if (!(*req)->ring) {
e315cd28
AC		 2397 DEBUG(printk("Unable to allocate memory for req_ring\n"));
2398 goto fail_req_ring;
2399 }
2400 /* Allocate memory for response ring */
73208dfd
AC		 2401 *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
2402 if (!*rsp) {
2403 qla_printk(KERN_WARNING, ha,
2404 "Unable to allocate memory for rsp\n");
e315cd28
AC		 2405 goto fail_rsp;
2406 }
73208dfd
AC		 2407 (*rsp)->hw = ha;
2408 (*rsp)->length = rsp_len;
2409 (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
2410 ((*rsp)->length + 1) * sizeof(response_t),
2411 &(*rsp)->dma, GFP_KERNEL);
2412 if (!(*rsp)->ring) {
2413 qla_printk(KERN_WARNING, ha,
2414 "Unable to allocate memory for rsp_ring\n");
e315cd28
AC		 2415 goto fail_rsp_ring;
2416 }
73208dfd
AC		 2417 (*req)->rsp = *rsp;
2418 (*rsp)->req = *req;
2419 /* Allocate memory for NVRAM data for vports */
2420 if (ha->nvram_npiv_size) {
2421 ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
2422 ha->nvram_npiv_size, GFP_KERNEL);
2423 if (!ha->npiv_info) {
2424 qla_printk(KERN_WARNING, ha,
2425 "Unable to allocate memory for npiv info\n");
2426 goto fail_npiv_info;
2427 }
2428 } else
2429 ha->npiv_info = NULL;
e8711085 2430
b64b0e8f
AV		 2431 /* Get consistent memory allocated for EX-INIT-CB. */
2432 if (IS_QLA81XX(ha)) {
2433 ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2434 &ha->ex_init_cb_dma);
2435 if (!ha->ex_init_cb)
2436 goto fail_ex_init_cb;
2437 }
2438
e315cd28
AC		 2439 INIT_LIST_HEAD(&ha->vp_list);
2440 return 1;
2441
b64b0e8f
AV		 2442fail_ex_init_cb:
2443 kfree(ha->npiv_info);
73208dfd
AC		 2444fail_npiv_info:
2445 dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
2446 sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
2447 (*rsp)->ring = NULL;
2448 (*rsp)->dma = 0;
e315cd28 2449fail_rsp_ring:
73208dfd 2450 kfree(*rsp);
e315cd28 2451fail_rsp:
73208dfd
AC		 2452 dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
2453 sizeof(request_t), (*req)->ring, (*req)->dma);
2454 (*req)->ring = NULL;
2455 (*req)->dma = 0;
e315cd28 2456fail_req_ring:
73208dfd 2457 kfree(*req);
e315cd28
AC		 2458fail_req:
2459 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2460 ha->ct_sns, ha->ct_sns_dma);
2461 ha->ct_sns = NULL;
2462 ha->ct_sns_dma = 0;
e8711085
AV		 2463fail_free_ms_iocb:
2464 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2465 ha->ms_iocb = NULL;
2466 ha->ms_iocb_dma = 0;
e315cd28
AC		 2467fail_dma_pool:
2468 dma_pool_destroy(ha->s_dma_pool);
2469 ha->s_dma_pool = NULL;
e8711085
AV		 2470fail_free_nvram:
2471 kfree(ha->nvram);
2472 ha->nvram = NULL;
2473fail_free_srb_mempool:
2474 mempool_destroy(ha->srb_mempool);
2475 ha->srb_mempool = NULL;
e8711085
AV		 2476fail_free_gid_list:
2477 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
e315cd28 2478 ha->gid_list_dma);
e8711085
AV		 2479 ha->gid_list = NULL;
2480 ha->gid_list_dma = 0;
e315cd28
AC		 2481fail_free_init_cb:
2482 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
2483 ha->init_cb_dma);
2484 ha->init_cb = NULL;
2485 ha->init_cb_dma = 0;
e8711085 2486fail:
e315cd28 2487 DEBUG(printk("%s: Memory allocation failure\n", __func__));
e8711085 2488 return -ENOMEM;
1da177e4
LT		 2489}
2490
2491/*
2492* qla2x00_mem_free
2493* Frees all adapter allocated memory.
2494*
2495* Input:
2496* ha = adapter block pointer.
2497*/
a824ebb3 2498static void
e315cd28 2499qla2x00_mem_free(struct qla_hw_data *ha)
1da177e4 2500{
e8711085
AV		 2501 if (ha->srb_mempool)
2502 mempool_destroy(ha->srb_mempool);
1da177e4 2503
df613b96
AV		 2504 if (ha->fce)
2505 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
e315cd28 2506 ha->fce_dma);
df613b96 2507
a7a167bf
AV		 2508 if (ha->fw_dump) {
2509 if (ha->eft)
2510 dma_free_coherent(&ha->pdev->dev,
e315cd28 2511 ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
a7a167bf
AV		 2512 vfree(ha->fw_dump);
2513 }
2514
11bbc1d8
AV		 2515 if (ha->dcbx_tlv)
2516 dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
2517 ha->dcbx_tlv, ha->dcbx_tlv_dma);
2518
ce0423f4
AV		 2519 if (ha->xgmac_data)
2520 dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
2521 ha->xgmac_data, ha->xgmac_data_dma);
2522
1da177e4
LT		 2523 if (ha->sns_cmd)
2524 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
e315cd28 2525 ha->sns_cmd, ha->sns_cmd_dma);
1da177e4
LT		 2526
2527 if (ha->ct_sns)
2528 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
e315cd28 2529 ha->ct_sns, ha->ct_sns_dma);
1da177e4 2530
88729e53
AV		 2531 if (ha->sfp_data)
2532 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2533
ad0ecd61
JC		 2534 if (ha->edc_data)
2535 dma_pool_free(ha->s_dma_pool, ha->edc_data, ha->edc_data_dma);
2536
1da177e4
LT		 2537 if (ha->ms_iocb)
2538 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2539
b64b0e8f
AV		 2540 if (ha->ex_init_cb)
2541 dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
2542
1da177e4
LT		 2543 if (ha->s_dma_pool)
2544 dma_pool_destroy(ha->s_dma_pool);
2545
1da177e4
LT		 2546 if (ha->gid_list)
2547 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
e315cd28 2548 ha->gid_list_dma);
1da177e4 2549
e315cd28
AC		 2550 if (ha->init_cb)
2551 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2552 ha->init_cb, ha->init_cb_dma);
2553 vfree(ha->optrom_buffer);
2554 kfree(ha->nvram);
73208dfd 2555 kfree(ha->npiv_info);
1da177e4 2556
e8711085 2557 ha->srb_mempool = NULL;
a7a167bf
AV		 2558 ha->eft = NULL;
2559 ha->eft_dma = 0;
1da177e4
LT		 2560 ha->sns_cmd = NULL;
2561 ha->sns_cmd_dma = 0;
2562 ha->ct_sns = NULL;
2563 ha->ct_sns_dma = 0;
2564 ha->ms_iocb = NULL;
2565 ha->ms_iocb_dma = 0;
1da177e4
LT		 2566 ha->init_cb = NULL;
2567 ha->init_cb_dma = 0;
b64b0e8f
AV		 2568 ha->ex_init_cb = NULL;
2569 ha->ex_init_cb_dma = 0;
1da177e4
LT		 2570
2571 ha->s_dma_pool = NULL;
2572
1da177e4
LT		 2573 ha->gid_list = NULL;
2574 ha->gid_list_dma = 0;
2575
e315cd28
AC		 2576 ha->fw_dump = NULL;
2577 ha->fw_dumped = 0;
2578 ha->fw_dump_reading = 0;
e315cd28 2579}
1da177e4 2580
e315cd28
AC		 2581struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
2582 struct qla_hw_data *ha)
2583{
2584 struct Scsi_Host *host;
2585 struct scsi_qla_host *vha = NULL;
854165f4 2586
e315cd28
AC		 2587 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
2588 if (host == NULL) {
2589 printk(KERN_WARNING
2590 "qla2xxx: Couldn't allocate host from scsi layer!\n");
2591 goto fail;
2592 }
2593
2594 /* Clear our data area */
2595 vha = shost_priv(host);
2596 memset(vha, 0, sizeof(scsi_qla_host_t));
2597
2598 vha->host = host;
2599 vha->host_no = host->host_no;
2600 vha->hw = ha;
2601
2602 INIT_LIST_HEAD(&vha->vp_fcports);
2603 INIT_LIST_HEAD(&vha->work_list);
2604 INIT_LIST_HEAD(&vha->list);
2605
f999f4c1
AV		 2606 spin_lock_init(&vha->work_lock);
2607
e315cd28
AC		 2608 sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
2609 return vha;
2610
2611fail:
2612 return vha;
1da177e4
LT		 2613}
2614
01ef66bb 2615static struct qla_work_evt *
f999f4c1 2616qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
0971de7f
AV		 2617{
2618 struct qla_work_evt *e;
2619
f999f4c1 2620 e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
0971de7f
AV		 2621 if (!e)
2622 return NULL;
2623
2624 INIT_LIST_HEAD(&e->list);
2625 e->type = type;
2626 e->flags = QLA_EVT_FLAG_FREE;
2627 return e;
2628}
2629
01ef66bb 2630static int
f999f4c1 2631qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
0971de7f 2632{
f999f4c1 2633 unsigned long flags;
0971de7f 2634
f999f4c1 2635 spin_lock_irqsave(&vha->work_lock, flags);
e315cd28 2636 list_add_tail(&e->list, &vha->work_list);
f999f4c1 2637 spin_unlock_irqrestore(&vha->work_lock, flags);
e315cd28 2638 qla2xxx_wake_dpc(vha);
f999f4c1 2639
0971de7f
AV		 2640 return QLA_SUCCESS;
2641}
2642
2643int
e315cd28 2644qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
0971de7f
AV		 2645 u32 data)
2646{
2647 struct qla_work_evt *e;
2648
f999f4c1 2649 e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
0971de7f
AV		 2650 if (!e)
2651 return QLA_FUNCTION_FAILED;
2652
2653 e->u.aen.code = code;
2654 e->u.aen.data = data;
f999f4c1 2655 return qla2x00_post_work(vha, e);
0971de7f
AV		 2656}
2657
8a659571
AV		 2658int
2659qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
2660{
2661 struct qla_work_evt *e;
2662
f999f4c1 2663 e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
8a659571
AV		 2664 if (!e)
2665 return QLA_FUNCTION_FAILED;
2666
2667 memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
f999f4c1 2668 return qla2x00_post_work(vha, e);
8a659571
AV		 2669}
2670
ac280b67
AV		 2671#define qla2x00_post_async_work(name, type) \
2672int qla2x00_post_async_##name##_work( \
2673 struct scsi_qla_host *vha, \
2674 fc_port_t *fcport, uint16_t *data) \
2675{ \
2676 struct qla_work_evt *e; \
2677 \
2678 e = qla2x00_alloc_work(vha, type); \
2679 if (!e) \
2680 return QLA_FUNCTION_FAILED; \
2681 \
2682 e->u.logio.fcport = fcport; \
2683 if (data) { \
2684 e->u.logio.data[0] = data[0]; \
2685 e->u.logio.data[1] = data[1]; \
2686 } \
2687 return qla2x00_post_work(vha, e); \
2688}
2689
2690qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
2691qla2x00_post_async_work(login_done, QLA_EVT_ASYNC_LOGIN_DONE);
2692qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
2693qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE);
2694
3420d36c
AV		 2695int
2696qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
2697{
2698 struct qla_work_evt *e;
2699
2700 e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
2701 if (!e)
2702 return QLA_FUNCTION_FAILED;
2703
2704 e->u.uevent.code = code;
2705 return qla2x00_post_work(vha, e);
2706}
2707
2708static void
2709qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
2710{
2711 char event_string[40];
2712 char *envp[] = { event_string, NULL };
2713
2714 switch (code) {
2715 case QLA_UEVENT_CODE_FW_DUMP:
2716 snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld",
2717 vha->host_no);
2718 break;
2719 default:
2720 /* do nothing */
2721 break;
2722 }
2723 kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
2724}
2725
ac280b67 2726void
e315cd28 2727qla2x00_do_work(struct scsi_qla_host *vha)
0971de7f 2728{
f999f4c1
AV		 2729 struct qla_work_evt *e, *tmp;
2730 unsigned long flags;
2731 LIST_HEAD(work);
0971de7f 2732
f999f4c1
AV		 2733 spin_lock_irqsave(&vha->work_lock, flags);
2734 list_splice_init(&vha->work_list, &work);
2735 spin_unlock_irqrestore(&vha->work_lock, flags);
2736
2737 list_for_each_entry_safe(e, tmp, &work, list) {
0971de7f 2738 list_del_init(&e->list);
0971de7f
AV		 2739
2740 switch (e->type) {
2741 case QLA_EVT_AEN:
e315cd28 2742 fc_host_post_event(vha->host, fc_get_event_number(),
0971de7f
AV		 2743 e->u.aen.code, e->u.aen.data);
2744 break;
8a659571
AV		 2745 case QLA_EVT_IDC_ACK:
2746 qla81xx_idc_ack(vha, e->u.idc_ack.mb);
2747 break;
ac280b67
AV		 2748 case QLA_EVT_ASYNC_LOGIN:
2749 qla2x00_async_login(vha, e->u.logio.fcport,
2750 e->u.logio.data);
2751 break;
2752 case QLA_EVT_ASYNC_LOGIN_DONE:
2753 qla2x00_async_login_done(vha, e->u.logio.fcport,
2754 e->u.logio.data);
2755 break;
2756 case QLA_EVT_ASYNC_LOGOUT:
2757 qla2x00_async_logout(vha, e->u.logio.fcport);
2758 break;
2759 case QLA_EVT_ASYNC_LOGOUT_DONE:
2760 qla2x00_async_logout_done(vha, e->u.logio.fcport,
2761 e->u.logio.data);
2762 break;
3420d36c
AV		 2763 case QLA_EVT_UEVENT:
2764 qla2x00_uevent_emit(vha, e->u.uevent.code);
2765 break;
0971de7f
AV		 2766 }
2767 if (e->flags & QLA_EVT_FLAG_FREE)
2768 kfree(e);
e315cd28 2769 }
e315cd28 2770}
f999f4c1 2771
e315cd28
AC		 2772/* Relogins all the fcports of a vport
2773 * Context: dpc thread
2774 */
2775void qla2x00_relogin(struct scsi_qla_host *vha)
2776{
2777 fc_port_t *fcport;
c6b2fca8 2778 int status;
e315cd28
AC		 2779 uint16_t next_loopid = 0;
2780 struct qla_hw_data *ha = vha->hw;
ac280b67 2781 uint16_t data[2];
e315cd28
AC		 2782
2783 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2784 /*
2785 * If the port is not ONLINE then try to login
2786 * to it if we haven't run out of retries.
2787 */
2788 if (atomic_read(&fcport->state) !=
2789 FCS_ONLINE && fcport->login_retry) {
2790
ac280b67 2791 fcport->login_retry--;
e315cd28 2792 if (fcport->flags & FCF_FABRIC_DEVICE) {
f08b7251 2793 if (fcport->flags & FCF_FCP2_DEVICE)
e315cd28
AC		 2794 ha->isp_ops->fabric_logout(vha,
2795 fcport->loop_id,
2796 fcport->d_id.b.domain,
2797 fcport->d_id.b.area,
2798 fcport->d_id.b.al_pa);
2799
ac280b67
AV		 2800 if (IS_ALOGIO_CAPABLE(ha)) {
2801 data[0] = 0;
2802 data[1] = QLA_LOGIO_LOGIN_RETRIED;
2803 status = qla2x00_post_async_login_work(
2804 vha, fcport, data);
2805 if (status == QLA_SUCCESS)
2806 continue;
2807 /* Attempt a retry. */
2808 status = 1;
2809 } else
2810 status = qla2x00_fabric_login(vha,
2811 fcport, &next_loopid);
e315cd28
AC		 2812 } else
2813 status = qla2x00_local_device_login(vha,
2814 fcport);
2815
e315cd28
AC		 2816 if (status == QLA_SUCCESS) {
2817 fcport->old_loop_id = fcport->loop_id;
2818
2819 DEBUG(printk("scsi(%ld): port login OK: logged "
2820 "in ID 0x%x\n", vha->host_no, fcport->loop_id));
2821
2822 qla2x00_update_fcport(vha, fcport);
2823
2824 } else if (status == 1) {
2825 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2826 /* retry the login again */
2827 DEBUG(printk("scsi(%ld): Retrying"
2828 " %d login again loop_id 0x%x\n",
2829 vha->host_no, fcport->login_retry,
2830 fcport->loop_id));
2831 } else {
2832 fcport->login_retry = 0;
2833 }
2834
2835 if (fcport->login_retry == 0 && status != QLA_SUCCESS)
2836 fcport->loop_id = FC_NO_LOOP_ID;
2837 }
2838 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2839 break;
0971de7f 2840 }
0971de7f
AV		 2841}
2842
1da177e4
LT		 2843/**************************************************************************
2844* qla2x00_do_dpc
2845* This kernel thread is a task that is schedule by the interrupt handler
2846* to perform the background processing for interrupts.
2847*
2848* Notes:
2849* This task always run in the context of a kernel thread. It
2850* is kick-off by the driver's detect code and starts up
2851* up one per adapter. It immediately goes to sleep and waits for
2852* some fibre event. When either the interrupt handler or
2853* the timer routine detects a event it will one of the task
2854* bits then wake us up.
2855**************************************************************************/
2856static int
2857qla2x00_do_dpc(void *data)
2858{
2c3dfe3f 2859 int rval;
e315cd28
AC		 2860 scsi_qla_host_t *base_vha;
2861 struct qla_hw_data *ha;
1da177e4 2862
e315cd28
AC		 2863 ha = (struct qla_hw_data *)data;
2864 base_vha = pci_get_drvdata(ha->pdev);
1da177e4 2865
1da177e4
LT		 2866 set_user_nice(current, -20);
2867
39a11240 2868 while (!kthread_should_stop()) {
1da177e4
LT		 2869 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2870
39a11240
CH		 2871 set_current_state(TASK_INTERRUPTIBLE);
2872 schedule();
2873 __set_current_state(TASK_RUNNING);
1da177e4
LT		 2874
2875 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2876
2877 /* Initialization not yet finished. Don't do anything yet. */
e315cd28 2878 if (!base_vha->flags.init_done)
1da177e4
LT		 2879 continue;
2880
85880801
AV		 2881 if (ha->flags.eeh_busy) {
2882 DEBUG17(qla_printk(KERN_WARNING, ha,
2883 "qla2x00_do_dpc: dpc_flags: %lx\n",
2884 base_vha->dpc_flags));
2885 continue;
2886 }
2887
e315cd28 2888 DEBUG3(printk("scsi(%ld): DPC handler\n", base_vha->host_no));
1da177e4
LT		 2889
2890 ha->dpc_active = 1;
2891
1da177e4 2892 if (ha->flags.mbox_busy) {
1da177e4
LT		 2893 ha->dpc_active = 0;
2894 continue;
2895 }
2896
e315cd28 2897 qla2x00_do_work(base_vha);
0971de7f 2898
e315cd28
AC		 2899 if (test_and_clear_bit(ISP_ABORT_NEEDED,
2900 &base_vha->dpc_flags)) {
1da177e4
LT		 2901
2902 DEBUG(printk("scsi(%ld): dpc: sched "
2903 "qla2x00_abort_isp ha = %p\n",
e315cd28 2904 base_vha->host_no, ha));
1da177e4 2905 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
e315cd28 2906 &base_vha->dpc_flags))) {
1da177e4 2907
e315cd28 2908 if (qla2x00_abort_isp(base_vha)) {
1da177e4
LT		 2909 /* failed. retry later */
2910 set_bit(ISP_ABORT_NEEDED,
e315cd28 2911 &base_vha->dpc_flags);
99363ef8 2912 }
e315cd28
AC		 2913 clear_bit(ABORT_ISP_ACTIVE,
2914 &base_vha->dpc_flags);
99363ef8
SJ		 2915 }
2916
1da177e4 2917 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
e315cd28 2918 base_vha->host_no));
1da177e4
LT		 2919 }
2920
e315cd28
AC		 2921 if (test_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags)) {
2922 qla2x00_update_fcports(base_vha);
2923 clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
c9c5ced9 2924 }
d97994dc 2925
e315cd28
AC		 2926 if (test_and_clear_bit(RESET_MARKER_NEEDED,
2927 &base_vha->dpc_flags) &&
2928 (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
1da177e4
LT		 2929
2930 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
e315cd28 2931 base_vha->host_no));
1da177e4 2932
e315cd28
AC		 2933 qla2x00_rst_aen(base_vha);
2934 clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
1da177e4
LT		 2935 }
2936
2937 /* Retry each device up to login retry count */
e315cd28
AC		 2938 if ((test_and_clear_bit(RELOGIN_NEEDED,
2939 &base_vha->dpc_flags)) &&
2940 !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
2941 atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
1da177e4
LT		 2942
2943 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
e315cd28
AC		 2944 base_vha->host_no));
2945 qla2x00_relogin(base_vha);
2946
1da177e4 2947 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
e315cd28 2948 base_vha->host_no));
1da177e4
LT		 2949 }
2950
e315cd28
AC		 2951 if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
2952 &base_vha->dpc_flags)) {
1da177e4
LT		 2953
2954 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
e315cd28 2955 base_vha->host_no));
1da177e4
LT		 2956
2957 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
e315cd28 2958 &base_vha->dpc_flags))) {
1da177e4 2959
e315cd28 2960 rval = qla2x00_loop_resync(base_vha);
1da177e4 2961
e315cd28
AC		 2962 clear_bit(LOOP_RESYNC_ACTIVE,
2963 &base_vha->dpc_flags);
1da177e4
LT		 2964 }
2965
2966 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
e315cd28 2967 base_vha->host_no));
1da177e4
LT		 2968 }
2969
e315cd28
AC		 2970 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
2971 atomic_read(&base_vha->loop_state) == LOOP_READY) {
2972 clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
2973 qla2xxx_flash_npiv_conf(base_vha);
272976ca
AV		 2974 }
2975
1da177e4 2976 if (!ha->interrupts_on)
fd34f556 2977 ha->isp_ops->enable_intrs(ha);
1da177e4 2978
e315cd28
AC		 2979 if (test_and_clear_bit(BEACON_BLINK_NEEDED,
2980 &base_vha->dpc_flags))
2981 ha->isp_ops->beacon_blink(base_vha);
f6df144c 2982
e315cd28 2983 qla2x00_do_dpc_all_vps(base_vha);
2c3dfe3f 2984
1da177e4
LT		 2985 ha->dpc_active = 0;
2986 } /* End of while(1) */
2987
e315cd28 2988 DEBUG(printk("scsi(%ld): DPC handler exiting\n", base_vha->host_no));
1da177e4
LT		 2989
2990 /*
2991 * Make sure that nobody tries to wake us up again.
2992 */
1da177e4
LT		 2993 ha->dpc_active = 0;
2994
ac280b67
AV		 2995 /* Cleanup any residual CTX SRBs. */
2996 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
2997
39a11240
CH		 2998 return 0;
2999}
3000
3001void
e315cd28 3002qla2xxx_wake_dpc(struct scsi_qla_host *vha)
39a11240 3003{
e315cd28 3004 struct qla_hw_data *ha = vha->hw;
c795c1e4
AV		 3005 struct task_struct *t = ha->dpc_thread;
3006
e315cd28 3007 if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
c795c1e4 3008 wake_up_process(t);
1da177e4
LT		 3009}
3010
1da177e4
LT		 3011/*
3012* qla2x00_rst_aen
3013* Processes asynchronous reset.
3014*
3015* Input:
3016* ha = adapter block pointer.
3017*/
3018static void
e315cd28 3019qla2x00_rst_aen(scsi_qla_host_t *vha)
1da177e4 3020{
e315cd28
AC		 3021 if (vha->flags.online && !vha->flags.reset_active &&
3022 !atomic_read(&vha->loop_down_timer) &&
3023 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
1da177e4 3024 do {
e315cd28 3025 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
1da177e4
LT		 3026
3027 /*
3028 * Issue marker command only when we are going to start
3029 * the I/O.
3030 */
e315cd28
AC		 3031 vha->marker_needed = 1;
3032 } while (!atomic_read(&vha->loop_down_timer) &&
3033 (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
1da177e4
LT		 3034 }
3035}
3036
f4f051eb 3037static void
e315cd28 3038qla2x00_sp_free_dma(srb_t *sp)
f4f051eb 3039{
3040 struct scsi_cmnd *cmd = sp->cmd;
3041
3042 if (sp->flags & SRB_DMA_VALID) {
385d70b4 3043 scsi_dma_unmap(cmd);
f4f051eb 3044 sp->flags &= ~SRB_DMA_VALID;
3045 }
fca29703 3046 CMD_SP(cmd) = NULL;
f4f051eb 3047}
3048
3049void
73208dfd 3050qla2x00_sp_compl(struct qla_hw_data *ha, srb_t *sp)
f4f051eb 3051{
3052 struct scsi_cmnd *cmd = sp->cmd;
3053
e315cd28 3054 qla2x00_sp_free_dma(sp);
f4f051eb 3055
f4f051eb 3056 mempool_free(sp, ha->srb_mempool);
3057
3058 cmd->scsi_done(cmd);
3059}
bdf79621 3060
1da177e4
LT		 3061/**************************************************************************
3062* qla2x00_timer
3063*
3064* Description:
3065* One second timer
3066*
3067* Context: Interrupt
3068***************************************************************************/
2c3dfe3f 3069void
e315cd28 3070qla2x00_timer(scsi_qla_host_t *vha)
1da177e4 3071{
1da177e4
LT		 3072 unsigned long cpu_flags = 0;
3073 fc_port_t *fcport;
1da177e4
LT		 3074 int start_dpc = 0;
3075 int index;
3076 srb_t *sp;
f4f051eb 3077 int t;
85880801 3078 uint16_t w;
e315cd28 3079 struct qla_hw_data *ha = vha->hw;
73208dfd 3080 struct req_que *req;
85880801
AV		 3081
3082 /* Hardware read to raise pending EEH errors during mailbox waits. */
3083 if (!pci_channel_offline(ha->pdev))
3084 pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
1da177e4
LT		 3085 /*
3086 * Ports - Port down timer.
3087 *
3088 * Whenever, a port is in the LOST state we start decrementing its port
3089 * down timer every second until it reaches zero. Once it reaches zero
fa2a1ce5 3090 * the port it marked DEAD.
1da177e4
LT		 3091 */
3092 t = 0;
e315cd28 3093 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1da177e4
LT		 3094 if (fcport->port_type != FCT_TARGET)
3095 continue;
3096
3097 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
3098
3099 if (atomic_read(&fcport->port_down_timer) == 0)
3100 continue;
3101
fa2a1ce5 3102 if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
1da177e4 3103 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
fa2a1ce5 3104
1da177e4 3105 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
fca29703 3106 "%d remaining\n",
e315cd28 3107 vha->host_no,
1da177e4
LT		 3108 t, atomic_read(&fcport->port_down_timer)));
3109 }
3110 t++;
3111 } /* End of for fcport */
3112
1da177e4
LT		 3113
3114 /* Loop down handler. */
e315cd28
AC		 3115 if (atomic_read(&vha->loop_down_timer) > 0 &&
3116 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
3117 && vha->flags.online) {
1da177e4 3118
e315cd28
AC		 3119 if (atomic_read(&vha->loop_down_timer) ==
3120 vha->loop_down_abort_time) {
1da177e4
LT		 3121
3122 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
3123 "queues before time expire\n",
e315cd28 3124 vha->host_no));
1da177e4 3125
e315cd28
AC		 3126 if (!IS_QLA2100(ha) && vha->link_down_timeout)
3127 atomic_set(&vha->loop_state, LOOP_DEAD);
1da177e4 3128
f08b7251
AV		 3129 /*
3130 * Schedule an ISP abort to return any FCP2-device
3131 * commands.
3132 */
2c3dfe3f 3133 /* NPIV - scan physical port only */
e315cd28 3134 if (!vha->vp_idx) {
2c3dfe3f
SJ		 3135 spin_lock_irqsave(&ha->hardware_lock,
3136 cpu_flags);
73208dfd 3137 req = ha->req_q_map[0];
2c3dfe3f
SJ		 3138 for (index = 1;
3139 index < MAX_OUTSTANDING_COMMANDS;
3140 index++) {
3141 fc_port_t *sfcp;
3142
e315cd28 3143 sp = req->outstanding_cmds[index];
2c3dfe3f
SJ		 3144 if (!sp)
3145 continue;
cf53b069
AV		 3146 if (sp->ctx)
3147 continue;
2c3dfe3f 3148 sfcp = sp->fcport;
f08b7251 3149 if (!(sfcp->flags & FCF_FCP2_DEVICE))
2c3dfe3f 3150 continue;
bdf79621 3151
2c3dfe3f 3152 set_bit(ISP_ABORT_NEEDED,
e315cd28 3153 &vha->dpc_flags);
2c3dfe3f
SJ		 3154 break;
3155 }
3156 spin_unlock_irqrestore(&ha->hardware_lock,
e315cd28 3157 cpu_flags);
1da177e4 3158 }
1da177e4
LT		 3159 start_dpc++;
3160 }
3161
3162 /* if the loop has been down for 4 minutes, reinit adapter */
e315cd28 3163 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
0d6e61bc 3164 if (!(vha->device_flags & DFLG_NO_CABLE)) {
1da177e4
LT		 3165 DEBUG(printk("scsi(%ld): Loop down - "
3166 "aborting ISP.\n",
e315cd28 3167 vha->host_no));
1da177e4
LT		 3168 qla_printk(KERN_WARNING, ha,
3169 "Loop down - aborting ISP.\n");
3170
e315cd28 3171 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 3172 }
3173 }
fca29703 3174 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
e315cd28
AC		 3175 vha->host_no,
3176 atomic_read(&vha->loop_down_timer)));
1da177e4
LT		 3177 }
3178
f6df144c 3179 /* Check if beacon LED needs to be blinked */
3180 if (ha->beacon_blink_led == 1) {
e315cd28 3181 set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
f6df144c 3182 start_dpc++;
3183 }
3184
550bf57d 3185 /* Process any deferred work. */
e315cd28 3186 if (!list_empty(&vha->work_list))
550bf57d
AV		 3187 start_dpc++;
3188
1da177e4 3189 /* Schedule the DPC routine if needed */
e315cd28
AC		 3190 if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
3191 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
3192 test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
1da177e4 3193 start_dpc ||
e315cd28
AC		 3194 test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
3195 test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
3196 test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
3197 test_bit(RELOGIN_NEEDED, &vha->dpc_flags)))
3198 qla2xxx_wake_dpc(vha);
1da177e4 3199
e315cd28 3200 qla2x00_restart_timer(vha, WATCH_INTERVAL);
1da177e4
LT		 3201}
3202
5433383e
AV		 3203/* Firmware interface routines. */
3204
3a03eb79 3205#define FW_BLOBS 7
5433383e
AV		 3206#define FW_ISP21XX 0
3207#define FW_ISP22XX 1
3208#define FW_ISP2300 2
3209#define FW_ISP2322 3
48c02fde 3210#define FW_ISP24XX 4
c3a2f0df 3211#define FW_ISP25XX 5
3a03eb79 3212#define FW_ISP81XX 6
5433383e 3213
bb8ee499
AV		 3214#define FW_FILE_ISP21XX "ql2100_fw.bin"
3215#define FW_FILE_ISP22XX "ql2200_fw.bin"
3216#define FW_FILE_ISP2300 "ql2300_fw.bin"
3217#define FW_FILE_ISP2322 "ql2322_fw.bin"
3218#define FW_FILE_ISP24XX "ql2400_fw.bin"
c3a2f0df 3219#define FW_FILE_ISP25XX "ql2500_fw.bin"
3a03eb79 3220#define FW_FILE_ISP81XX "ql8100_fw.bin"
bb8ee499 3221
e1e82b6f 3222static DEFINE_MUTEX(qla_fw_lock);
5433383e
AV		 3223
3224static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
bb8ee499
AV		 3225 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
3226 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
3227 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
3228 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
3229 { .name = FW_FILE_ISP24XX, },
c3a2f0df 3230 { .name = FW_FILE_ISP25XX, },
3a03eb79 3231 { .name = FW_FILE_ISP81XX, },
5433383e
AV		 3232};
3233
3234struct fw_blob *
e315cd28 3235qla2x00_request_firmware(scsi_qla_host_t *vha)
5433383e 3236{
e315cd28 3237 struct qla_hw_data *ha = vha->hw;
5433383e
AV		 3238 struct fw_blob *blob;
3239
3240 blob = NULL;
3241 if (IS_QLA2100(ha)) {
3242 blob = &qla_fw_blobs[FW_ISP21XX];
3243 } else if (IS_QLA2200(ha)) {
3244 blob = &qla_fw_blobs[FW_ISP22XX];
48c02fde 3245 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
5433383e 3246 blob = &qla_fw_blobs[FW_ISP2300];
48c02fde 3247 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
5433383e 3248 blob = &qla_fw_blobs[FW_ISP2322];
4d4df193 3249 } else if (IS_QLA24XX_TYPE(ha)) {
5433383e 3250 blob = &qla_fw_blobs[FW_ISP24XX];
c3a2f0df
AV		 3251 } else if (IS_QLA25XX(ha)) {
3252 blob = &qla_fw_blobs[FW_ISP25XX];
3a03eb79
AV		 3253 } else if (IS_QLA81XX(ha)) {
3254 blob = &qla_fw_blobs[FW_ISP81XX];
5433383e
AV		 3255 }
3256
e1e82b6f 3257 mutex_lock(&qla_fw_lock);
5433383e
AV		 3258 if (blob->fw)
3259 goto out;
3260
3261 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
3262 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
e315cd28 3263 "(%s).\n", vha->host_no, blob->name));
5433383e
AV		 3264 blob->fw = NULL;
3265 blob = NULL;
3266 goto out;
3267 }
3268
3269out:
e1e82b6f 3270 mutex_unlock(&qla_fw_lock);
5433383e
AV		 3271 return blob;
3272}
3273
3274static void
3275qla2x00_release_firmware(void)
3276{
3277 int idx;
3278
e1e82b6f 3279 mutex_lock(&qla_fw_lock);
5433383e
AV		 3280 for (idx = 0; idx < FW_BLOBS; idx++)
3281 if (qla_fw_blobs[idx].fw)
3282 release_firmware(qla_fw_blobs[idx].fw);
e1e82b6f 3283 mutex_unlock(&qla_fw_lock);
5433383e
AV		 3284}
3285
14e660e6
SJ		 3286static pci_ers_result_t
3287qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
3288{
85880801
AV		 3289 scsi_qla_host_t *vha = pci_get_drvdata(pdev);
3290 struct qla_hw_data *ha = vha->hw;
3291
3292 DEBUG2(qla_printk(KERN_WARNING, ha, "error_detected:state %x\n",
3293 state));
b9b12f73 3294
14e660e6
SJ		 3295 switch (state) {
3296 case pci_channel_io_normal:
85880801 3297 ha->flags.eeh_busy = 0;
14e660e6
SJ		 3298 return PCI_ERS_RESULT_CAN_RECOVER;
3299 case pci_channel_io_frozen:
85880801 3300 ha->flags.eeh_busy = 1;
90a86fc0 3301 qla2x00_free_irqs(vha);
14e660e6
SJ		 3302 pci_disable_device(pdev);
3303 return PCI_ERS_RESULT_NEED_RESET;
3304 case pci_channel_io_perm_failure:
85880801
AV		 3305 ha->flags.pci_channel_io_perm_failure = 1;
3306 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
14e660e6
SJ		 3307 return PCI_ERS_RESULT_DISCONNECT;
3308 }
3309 return PCI_ERS_RESULT_NEED_RESET;
3310}
3311
3312static pci_ers_result_t
3313qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
3314{
3315 int risc_paused = 0;
3316 uint32_t stat;
3317 unsigned long flags;
e315cd28
AC		 3318 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3319 struct qla_hw_data *ha = base_vha->hw;
14e660e6
SJ		 3320 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3321 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
3322
3323 spin_lock_irqsave(&ha->hardware_lock, flags);
3324 if (IS_QLA2100(ha) || IS_QLA2200(ha)){
3325 stat = RD_REG_DWORD(&reg->hccr);
3326 if (stat & HCCR_RISC_PAUSE)
3327 risc_paused = 1;
3328 } else if (IS_QLA23XX(ha)) {
3329 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
3330 if (stat & HSR_RISC_PAUSED)
3331 risc_paused = 1;
3332 } else if (IS_FWI2_CAPABLE(ha)) {
3333 stat = RD_REG_DWORD(&reg24->host_status);
3334 if (stat & HSRX_RISC_PAUSED)
3335 risc_paused = 1;
3336 }
3337 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3338
3339 if (risc_paused) {
3340 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
3341 "Dumping firmware!\n");
e315cd28 3342 ha->isp_ops->fw_dump(base_vha, 0);
14e660e6
SJ		 3343
3344 return PCI_ERS_RESULT_NEED_RESET;
3345 } else
3346 return PCI_ERS_RESULT_RECOVERED;
3347}
3348
3349static pci_ers_result_t
3350qla2xxx_pci_slot_reset(struct pci_dev *pdev)
3351{
3352 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
e315cd28
AC		 3353 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3354 struct qla_hw_data *ha = base_vha->hw;
90a86fc0
JC		 3355 struct rsp_que *rsp;
3356 int rc, retries = 10;
09483916 3357
85880801
AV		 3358 DEBUG17(qla_printk(KERN_WARNING, ha, "slot_reset\n"));
3359
90a86fc0
JC		 3360 /* Workaround: qla2xxx driver which access hardware earlier
3361 * needs error state to be pci_channel_io_online.
3362 * Otherwise mailbox command timesout.
3363 */
3364 pdev->error_state = pci_channel_io_normal;
3365
3366 pci_restore_state(pdev);
3367
8c1496bd
RL		 3368 /* pci_restore_state() clears the saved_state flag of the device
3369 * save restored state which resets saved_state flag
3370 */
3371 pci_save_state(pdev);
3372
09483916
BH		 3373 if (ha->mem_only)
3374 rc = pci_enable_device_mem(pdev);
3375 else
3376 rc = pci_enable_device(pdev);
14e660e6 3377
09483916 3378 if (rc) {
14e660e6
SJ		 3379 qla_printk(KERN_WARNING, ha,
3380 "Can't re-enable PCI device after reset.\n");
14e660e6
SJ		 3381 return ret;
3382 }
14e660e6 3383
90a86fc0
JC		 3384 rsp = ha->rsp_q_map[0];
3385 if (qla2x00_request_irqs(ha, rsp))
3386 return ret;
3387
e315cd28 3388 if (ha->isp_ops->pci_config(base_vha))
14e660e6
SJ		 3389 return ret;
3390
90a86fc0
JC		 3391 while (ha->flags.mbox_busy && retries--)
3392 msleep(1000);
85880801 3393
e315cd28
AC		 3394 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3395 if (qla2x00_abort_isp(base_vha) == QLA_SUCCESS)
14e660e6 3396 ret = PCI_ERS_RESULT_RECOVERED;
e315cd28 3397 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
14e660e6 3398
90a86fc0
JC		 3399 pci_cleanup_aer_uncorrect_error_status(pdev);
3400
85880801
AV		 3401 DEBUG17(qla_printk(KERN_WARNING, ha,
3402 "slot_reset-return:ret=%x\n", ret));
3403
14e660e6
SJ		 3404 return ret;
3405}
3406
3407static void
3408qla2xxx_pci_resume(struct pci_dev *pdev)
3409{
e315cd28
AC		 3410 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3411 struct qla_hw_data *ha = base_vha->hw;
14e660e6
SJ		 3412 int ret;
3413
85880801
AV		 3414 DEBUG17(qla_printk(KERN_WARNING, ha, "pci_resume\n"));
3415
e315cd28 3416 ret = qla2x00_wait_for_hba_online(base_vha);
14e660e6
SJ		 3417 if (ret != QLA_SUCCESS) {
3418 qla_printk(KERN_ERR, ha,
3419 "the device failed to resume I/O "
3420 "from slot/link_reset");
3421 }
85880801
AV		 3422
3423 ha->flags.eeh_busy = 0;
14e660e6
SJ		 3424}
3425
3426static struct pci_error_handlers qla2xxx_err_handler = {
3427 .error_detected = qla2xxx_pci_error_detected,
3428 .mmio_enabled = qla2xxx_pci_mmio_enabled,
3429 .slot_reset = qla2xxx_pci_slot_reset,
3430 .resume = qla2xxx_pci_resume,
3431};
3432
5433383e 3433static struct pci_device_id qla2xxx_pci_tbl[] = {
47f5e069
AV		 3434 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
3435 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
3436 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
3437 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
3438 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
3439 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
3440 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
3441 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
3442 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
4d4df193 3443 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
47f5e069
AV		 3444 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
3445 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
c3a2f0df 3446 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
3a03eb79 3447 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
5433383e
AV		 3448 { 0 },
3449};
3450MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
3451
fca29703 3452static struct pci_driver qla2xxx_pci_driver = {
cb63067a 3453 .name = QLA2XXX_DRIVER_NAME,
0a21ef1e
JB		 3454 .driver = {
3455 .owner = THIS_MODULE,
3456 },
fca29703 3457 .id_table = qla2xxx_pci_tbl,
7ee61397 3458 .probe = qla2x00_probe_one,
4c993f76 3459 .remove = qla2x00_remove_one,
14e660e6 3460 .err_handler = &qla2xxx_err_handler,
fca29703
AV		 3461};
3462
1da177e4
LT		 3463/**
3464 * qla2x00_module_init - Module initialization.
3465 **/
3466static int __init
3467qla2x00_module_init(void)
3468{
fca29703
AV		 3469 int ret = 0;
3470
1da177e4 3471 /* Allocate cache for SRBs. */
354d6b21 3472 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
20c2df83 3473 SLAB_HWCACHE_ALIGN, NULL);
1da177e4
LT		 3474 if (srb_cachep == NULL) {
3475 printk(KERN_ERR
3476 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
3477 return -ENOMEM;
3478 }
3479
3480 /* Derive version string. */
3481 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
11010fec 3482 if (ql2xextended_error_logging)
0181944f
AV		 3483 strcat(qla2x00_version_str, "-debug");
3484
1c97a12a
AV		 3485 qla2xxx_transport_template =
3486 fc_attach_transport(&qla2xxx_transport_functions);
2c3dfe3f
SJ		 3487 if (!qla2xxx_transport_template) {
3488 kmem_cache_destroy(srb_cachep);
1da177e4 3489 return -ENODEV;
2c3dfe3f
SJ		 3490 }
3491 qla2xxx_transport_vport_template =
3492 fc_attach_transport(&qla2xxx_transport_vport_functions);
3493 if (!qla2xxx_transport_vport_template) {
3494 kmem_cache_destroy(srb_cachep);
3495 fc_release_transport(qla2xxx_transport_template);
1da177e4 3496 return -ENODEV;
2c3dfe3f 3497 }
1da177e4 3498
fd9a29f0
AV		 3499 printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n",
3500 qla2x00_version_str);
7ee61397 3501 ret = pci_register_driver(&qla2xxx_pci_driver);
fca29703
AV		 3502 if (ret) {
3503 kmem_cache_destroy(srb_cachep);
3504 fc_release_transport(qla2xxx_transport_template);
2c3dfe3f 3505 fc_release_transport(qla2xxx_transport_vport_template);
fca29703
AV		 3506 }
3507 return ret;
1da177e4
LT		 3508}
3509
3510/**
3511 * qla2x00_module_exit - Module cleanup.
3512 **/
3513static void __exit
3514qla2x00_module_exit(void)
3515{
7ee61397 3516 pci_unregister_driver(&qla2xxx_pci_driver);
5433383e 3517 qla2x00_release_firmware();
354d6b21 3518 kmem_cache_destroy(srb_cachep);
1da177e4 3519 fc_release_transport(qla2xxx_transport_template);
2c3dfe3f 3520 fc_release_transport(qla2xxx_transport_vport_template);
1da177e4
LT		 3521}
3522
3523module_init(qla2x00_module_init);
3524module_exit(qla2x00_module_exit);
3525
3526MODULE_AUTHOR("QLogic Corporation");
3527MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
3528MODULE_LICENSE("GPL");
3529MODULE_VERSION(QLA2XXX_VERSION);
bb8ee499
AV		 3530MODULE_FIRMWARE(FW_FILE_ISP21XX);
3531MODULE_FIRMWARE(FW_FILE_ISP22XX);
3532MODULE_FIRMWARE(FW_FILE_ISP2300);
3533MODULE_FIRMWARE(FW_FILE_ISP2322);
3534MODULE_FIRMWARE(FW_FILE_ISP24XX);
61623fc3 3535MODULE_FIRMWARE(FW_FILE_ISP25XX);
Linux kernel - Deliverables
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