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[SCSI] scsi_lib: pause between error retries
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / scsi / qla2xxx / qla_os.c
CommitLineData
1da177e4 1/*
fa90c54f 2 * QLogic Fibre Channel HBA Driver
07e264b7 3 * Copyright (c) 2003-2011 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
6a03b4cd
HZ		 27static int apidev_major;
28
1da177e4
LT		 29/*
30 * SRB allocation cache
31 */
e18b890b 32static struct kmem_cache *srb_cachep;
1da177e4 33
a9083016
GM		 34/*
35 * CT6 CTX allocation cache
36 */
37static struct kmem_cache *ctx_cachep;
38
1da177e4 39int ql2xlogintimeout = 20;
f2019cb1 40module_param(ql2xlogintimeout, int, S_IRUGO);
1da177e4
LT		 41MODULE_PARM_DESC(ql2xlogintimeout,
42 "Login timeout value in seconds.");
43
a7b61842 44int qlport_down_retry;
f2019cb1 45module_param(qlport_down_retry, int, S_IRUGO);
1da177e4 46MODULE_PARM_DESC(qlport_down_retry,
900d9f98 47 "Maximum number of command retries to a port that returns "
1da177e4
LT		 48 "a PORT-DOWN status.");
49
1da177e4
LT		 50int ql2xplogiabsentdevice;
51module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
52MODULE_PARM_DESC(ql2xplogiabsentdevice,
53 "Option to enable PLOGI to devices that are not present after "
900d9f98 54 "a Fabric scan. This is needed for several broken switches. "
1da177e4
LT		 55 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
56
1da177e4 57int ql2xloginretrycount = 0;
f2019cb1 58module_param(ql2xloginretrycount, int, S_IRUGO);
1da177e4
LT		 59MODULE_PARM_DESC(ql2xloginretrycount,
60 "Specify an alternate value for the NVRAM login retry count.");
61
a7a167bf 62int ql2xallocfwdump = 1;
f2019cb1 63module_param(ql2xallocfwdump, int, S_IRUGO);
a7a167bf
AV		 64MODULE_PARM_DESC(ql2xallocfwdump,
65 "Option to enable allocation of memory for a firmware dump "
66 "during HBA initialization. Memory allocation requirements "
67 "vary by ISP type. Default is 1 - allocate memory.");
68
11010fec 69int ql2xextended_error_logging;
27d94035 70module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
11010fec 71MODULE_PARM_DESC(ql2xextended_error_logging,
0181944f
AV		 72 "Option to enable extended error logging, "
73 "Default is 0 - no logging. 1 - log errors.");
74
a9083016 75int ql2xshiftctondsd = 6;
f2019cb1 76module_param(ql2xshiftctondsd, int, S_IRUGO);
a9083016
GM		 77MODULE_PARM_DESC(ql2xshiftctondsd,
78 "Set to control shifting of command type processing "
79 "based on total number of SG elements.");
80
1da177e4
LT		 81static void qla2x00_free_device(scsi_qla_host_t *);
82
7e47e5ca 83int ql2xfdmienable=1;
f2019cb1 84module_param(ql2xfdmienable, int, S_IRUGO);
cca5335c 85MODULE_PARM_DESC(ql2xfdmienable,
7794a5af
FW		 86 "Enables FDMI registrations. "
87 "0 - no FDMI. Default is 1 - perform FDMI.");
cca5335c 88
df7baa50
AV		 89#define MAX_Q_DEPTH 32
90static int ql2xmaxqdepth = MAX_Q_DEPTH;
91module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
92MODULE_PARM_DESC(ql2xmaxqdepth,
93 "Maximum queue depth to report for target devices.");
94
bad75002
AE		 95/* Do not change the value of this after module load */
96int ql2xenabledif = 1;
97module_param(ql2xenabledif, int, S_IRUGO|S_IWUSR);
98MODULE_PARM_DESC(ql2xenabledif,
99 " Enable T10-CRC-DIF "
100 " Default is 0 - No DIF Support. 1 - Enable it");
101
102int ql2xenablehba_err_chk;
103module_param(ql2xenablehba_err_chk, int, S_IRUGO|S_IWUSR);
104MODULE_PARM_DESC(ql2xenablehba_err_chk,
105 " Enable T10-CRC-DIF Error isolation by HBA"
106 " Default is 0 - Error isolation disabled, 1 - Enable it");
107
e5896bd5 108int ql2xiidmaenable=1;
f2019cb1 109module_param(ql2xiidmaenable, int, S_IRUGO);
e5896bd5
AV		 110MODULE_PARM_DESC(ql2xiidmaenable,
111 "Enables iIDMA settings "
112 "Default is 1 - perform iIDMA. 0 - no iIDMA.");
113
73208dfd 114int ql2xmaxqueues = 1;
f2019cb1 115module_param(ql2xmaxqueues, int, S_IRUGO);
73208dfd
AC		 116MODULE_PARM_DESC(ql2xmaxqueues,
117 "Enables MQ settings "
ae68230c
JP		 118 "Default is 1 for single queue. Set it to number "
119 "of queues in MQ mode.");
68ca949c
AC		 120
121int ql2xmultique_tag;
f2019cb1 122module_param(ql2xmultique_tag, int, S_IRUGO);
68ca949c
AC		 123MODULE_PARM_DESC(ql2xmultique_tag,
124 "Enables CPU affinity settings for the driver "
125 "Default is 0 for no affinity of request and response IO. "
126 "Set it to 1 to turn on the cpu affinity.");
e337d907
AV		 127
128int ql2xfwloadbin;
f2019cb1 129module_param(ql2xfwloadbin, int, S_IRUGO);
e337d907
AV		 130MODULE_PARM_DESC(ql2xfwloadbin,
131 "Option to specify location from which to load ISP firmware:\n"
132 " 2 -- load firmware via the request_firmware() (hotplug)\n"
133 " interface.\n"
134 " 1 -- load firmware from flash.\n"
135 " 0 -- use default semantics.\n");
136
ae97c91e 137int ql2xetsenable;
f2019cb1 138module_param(ql2xetsenable, int, S_IRUGO);
ae97c91e
AV		 139MODULE_PARM_DESC(ql2xetsenable,
140 "Enables firmware ETS burst."
141 "Default is 0 - skip ETS enablement.");
142
6907869d 143int ql2xdbwr = 1;
f2019cb1 144module_param(ql2xdbwr, int, S_IRUGO);
a9083016
GM		 145MODULE_PARM_DESC(ql2xdbwr,
146 "Option to specify scheme for request queue posting\n"
147 " 0 -- Regular doorbell.\n"
148 " 1 -- CAMRAM doorbell (faster).\n");
149
f4c496c1 150int ql2xtargetreset = 1;
f2019cb1 151module_param(ql2xtargetreset, int, S_IRUGO);
f4c496c1
GM		 152MODULE_PARM_DESC(ql2xtargetreset,
153 "Enable target reset."
154 "Default is 1 - use hw defaults.");
155
4da26e16 156int ql2xgffidenable;
f2019cb1 157module_param(ql2xgffidenable, int, S_IRUGO);
4da26e16
CD		 158MODULE_PARM_DESC(ql2xgffidenable,
159 "Enables GFF_ID checks of port type. "
160 "Default is 0 - Do not use GFF_ID information.");
a9083016 161
3822263e 162int ql2xasynctmfenable;
f2019cb1 163module_param(ql2xasynctmfenable, int, S_IRUGO);
3822263e
MI		 164MODULE_PARM_DESC(ql2xasynctmfenable,
165 "Enables issue of TM IOCBs asynchronously via IOCB mechanism"
166 "Default is 0 - Issue TM IOCBs via mailbox mechanism.");
ed0de87c
GM		 167
168int ql2xdontresethba;
169module_param(ql2xdontresethba, int, S_IRUGO);
170MODULE_PARM_DESC(ql2xdontresethba,
171 "Option to specify reset behaviour\n"
172 " 0 (Default) -- Reset on failure.\n"
173 " 1 -- Do not reset on failure.\n");
174
82515920
AV		 175uint ql2xmaxlun = MAX_LUNS;
176module_param(ql2xmaxlun, uint, S_IRUGO);
177MODULE_PARM_DESC(ql2xmaxlun,
178 "Defines the maximum LU number to register with the SCSI "
179 "midlayer. Default is 65535.");
180
1da177e4 181/*
fa2a1ce5 182 * SCSI host template entry points
1da177e4
LT		 183 */
184static int qla2xxx_slave_configure(struct scsi_device * device);
f4f051eb 185static int qla2xxx_slave_alloc(struct scsi_device *);
1e99e33a
AV		 186static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
187static void qla2xxx_scan_start(struct Scsi_Host *);
f4f051eb 188static void qla2xxx_slave_destroy(struct scsi_device *);
f281233d 189static int qla2xxx_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd);
1da177e4
LT		 190static int qla2xxx_eh_abort(struct scsi_cmnd *);
191static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
523ec773 192static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
1da177e4
LT		 193static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
194static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
1da177e4 195
e881a172 196static int qla2x00_change_queue_depth(struct scsi_device *, int, int);
ce7e4af7
AV		 197static int qla2x00_change_queue_type(struct scsi_device *, int);
198
a5326f86 199struct scsi_host_template qla2xxx_driver_template = {
1da177e4 200 .module = THIS_MODULE,
cb63067a 201 .name = QLA2XXX_DRIVER_NAME,
a5326f86 202 .queuecommand = qla2xxx_queuecommand,
fca29703
AV		 203
204 .eh_abort_handler = qla2xxx_eh_abort,
205 .eh_device_reset_handler = qla2xxx_eh_device_reset,
523ec773 206 .eh_target_reset_handler = qla2xxx_eh_target_reset,
fca29703
AV		 207 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
208 .eh_host_reset_handler = qla2xxx_eh_host_reset,
209
210 .slave_configure = qla2xxx_slave_configure,
211
212 .slave_alloc = qla2xxx_slave_alloc,
213 .slave_destroy = qla2xxx_slave_destroy,
ed677086
AV		 214 .scan_finished = qla2xxx_scan_finished,
215 .scan_start = qla2xxx_scan_start,
ce7e4af7
AV		 216 .change_queue_depth = qla2x00_change_queue_depth,
217 .change_queue_type = qla2x00_change_queue_type,
fca29703
AV		 218 .this_id = -1,
219 .cmd_per_lun = 3,
220 .use_clustering = ENABLE_CLUSTERING,
221 .sg_tablesize = SG_ALL,
222
223 .max_sectors = 0xFFFF,
afb046e2 224 .shost_attrs = qla2x00_host_attrs,
fca29703
AV		 225};
226
1da177e4 227static struct scsi_transport_template *qla2xxx_transport_template = NULL;
2c3dfe3f 228struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
1da177e4 229
1da177e4
LT		 230/* TODO Convert to inlines
231 *
232 * Timer routines
233 */
1da177e4 234
2c3dfe3f 235__inline__ void
e315cd28 236qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval)
1da177e4 237{
e315cd28
AC		 238 init_timer(&vha->timer);
239 vha->timer.expires = jiffies + interval * HZ;
240 vha->timer.data = (unsigned long)vha;
241 vha->timer.function = (void (*)(unsigned long))func;
242 add_timer(&vha->timer);
243 vha->timer_active = 1;
1da177e4
LT		 244}
245
246static inline void
e315cd28 247qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
1da177e4 248{
a9083016
GM		 249 /* Currently used for 82XX only. */
250 if (vha->device_flags & DFLG_DEV_FAILED)
251 return;
252
e315cd28 253 mod_timer(&vha->timer, jiffies + interval * HZ);
1da177e4
LT		 254}
255
a824ebb3 256static __inline__ void
e315cd28 257qla2x00_stop_timer(scsi_qla_host_t *vha)
1da177e4 258{
e315cd28
AC		 259 del_timer_sync(&vha->timer);
260 vha->timer_active = 0;
1da177e4
LT		 261}
262
1da177e4
LT		 263static int qla2x00_do_dpc(void *data);
264
265static void qla2x00_rst_aen(scsi_qla_host_t *);
266
73208dfd
AC		 267static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
268 struct req_que **, struct rsp_que **);
e30d1756 269static void qla2x00_free_fw_dump(struct qla_hw_data *);
e315cd28
AC		 270static void qla2x00_mem_free(struct qla_hw_data *);
271static void qla2x00_sp_free_dma(srb_t *);
1da177e4 272
1da177e4 273/* -------------------------------------------------------------------------- */
73208dfd
AC		 274static int qla2x00_alloc_queues(struct qla_hw_data *ha)
275{
2afa19a9 276 ha->req_q_map = kzalloc(sizeof(struct req_que *) * ha->max_req_queues,
73208dfd
AC		 277 GFP_KERNEL);
278 if (!ha->req_q_map) {
279 qla_printk(KERN_WARNING, ha,
280 "Unable to allocate memory for request queue ptrs\n");
281 goto fail_req_map;
282 }
283
2afa19a9 284 ha->rsp_q_map = kzalloc(sizeof(struct rsp_que *) * ha->max_rsp_queues,
73208dfd
AC		 285 GFP_KERNEL);
286 if (!ha->rsp_q_map) {
287 qla_printk(KERN_WARNING, ha,
288 "Unable to allocate memory for response queue ptrs\n");
289 goto fail_rsp_map;
290 }
291 set_bit(0, ha->rsp_qid_map);
292 set_bit(0, ha->req_qid_map);
293 return 1;
294
295fail_rsp_map:
296 kfree(ha->req_q_map);
297 ha->req_q_map = NULL;
298fail_req_map:
299 return -ENOMEM;
300}
301
2afa19a9 302static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
73208dfd 303{
73208dfd
AC		 304 if (req && req->ring)
305 dma_free_coherent(&ha->pdev->dev,
306 (req->length + 1) * sizeof(request_t),
307 req->ring, req->dma);
308
309 kfree(req);
310 req = NULL;
311}
312
2afa19a9
AC		 313static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
314{
315 if (rsp && rsp->ring)
316 dma_free_coherent(&ha->pdev->dev,
317 (rsp->length + 1) * sizeof(response_t),
318 rsp->ring, rsp->dma);
319
320 kfree(rsp);
321 rsp = NULL;
322}
323
73208dfd
AC		 324static void qla2x00_free_queues(struct qla_hw_data *ha)
325{
326 struct req_que *req;
327 struct rsp_que *rsp;
328 int cnt;
329
2afa19a9 330 for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
73208dfd 331 req = ha->req_q_map[cnt];
2afa19a9 332 qla2x00_free_req_que(ha, req);
73208dfd 333 }
73208dfd
AC		 334 kfree(ha->req_q_map);
335 ha->req_q_map = NULL;
2afa19a9
AC		 336
337 for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
338 rsp = ha->rsp_q_map[cnt];
339 qla2x00_free_rsp_que(ha, rsp);
340 }
341 kfree(ha->rsp_q_map);
342 ha->rsp_q_map = NULL;
73208dfd
AC		 343}
344
68ca949c
AC		 345static int qla25xx_setup_mode(struct scsi_qla_host *vha)
346{
347 uint16_t options = 0;
348 int ques, req, ret;
349 struct qla_hw_data *ha = vha->hw;
350
7163ea81
AC		 351 if (!(ha->fw_attributes & BIT_6)) {
352 qla_printk(KERN_INFO, ha,
353 "Firmware is not multi-queue capable\n");
354 goto fail;
355 }
68ca949c 356 if (ql2xmultique_tag) {
68ca949c
AC		 357 /* create a request queue for IO */
358 options |= BIT_7;
359 req = qla25xx_create_req_que(ha, options, 0, 0, -1,
360 QLA_DEFAULT_QUE_QOS);
361 if (!req) {
362 qla_printk(KERN_WARNING, ha,
363 "Can't create request queue\n");
364 goto fail;
365 }
278274d5 366 ha->wq = alloc_workqueue("qla2xxx_wq", WQ_MEM_RECLAIM, 1);
68ca949c
AC		 367 vha->req = ha->req_q_map[req];
368 options |= BIT_1;
369 for (ques = 1; ques < ha->max_rsp_queues; ques++) {
370 ret = qla25xx_create_rsp_que(ha, options, 0, 0, req);
371 if (!ret) {
372 qla_printk(KERN_WARNING, ha,
373 "Response Queue create failed\n");
374 goto fail2;
375 }
376 }
7163ea81
AC		 377 ha->flags.cpu_affinity_enabled = 1;
378
68ca949c
AC		 379 DEBUG2(qla_printk(KERN_INFO, ha,
380 "CPU affinity mode enabled, no. of response"
381 " queues:%d, no. of request queues:%d\n",
382 ha->max_rsp_queues, ha->max_req_queues));
383 }
384 return 0;
385fail2:
386 qla25xx_delete_queues(vha);
7163ea81
AC		 387 destroy_workqueue(ha->wq);
388 ha->wq = NULL;
68ca949c
AC		 389fail:
390 ha->mqenable = 0;
7163ea81
AC		 391 kfree(ha->req_q_map);
392 kfree(ha->rsp_q_map);
393 ha->max_req_queues = ha->max_rsp_queues = 1;
68ca949c
AC		 394 return 1;
395}
396
1da177e4 397static char *
e315cd28 398qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
1da177e4 399{
e315cd28 400 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 401 static char *pci_bus_modes[] = {
402 "33", "66", "100", "133",
403 };
404 uint16_t pci_bus;
405
406 strcpy(str, "PCI");
407 pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
408 if (pci_bus) {
409 strcat(str, "-X (");
410 strcat(str, pci_bus_modes[pci_bus]);
411 } else {
412 pci_bus = (ha->pci_attr & BIT_8) >> 8;
413 strcat(str, " (");
414 strcat(str, pci_bus_modes[pci_bus]);
415 }
416 strcat(str, " MHz)");
417
418 return (str);
419}
420
fca29703 421static char *
e315cd28 422qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
fca29703
AV		 423{
424 static char *pci_bus_modes[] = { "33", "66", "100", "133", };
e315cd28 425 struct qla_hw_data *ha = vha->hw;
fca29703
AV		 426 uint32_t pci_bus;
427 int pcie_reg;
428
429 pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
430 if (pcie_reg) {
431 char lwstr[6];
432 uint16_t pcie_lstat, lspeed, lwidth;
433
434 pcie_reg += 0x12;
435 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
436 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
437 lwidth = (pcie_lstat &
438 (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
439
440 strcpy(str, "PCIe (");
441 if (lspeed == 1)
c87a0d8c 442 strcat(str, "2.5GT/s ");
c3a2f0df 443 else if (lspeed == 2)
c87a0d8c 444 strcat(str, "5.0GT/s ");
fca29703
AV		 445 else
446 strcat(str, "<unknown> ");
447 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
448 strcat(str, lwstr);
449
450 return str;
451 }
452
453 strcpy(str, "PCI");
454 pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
455 if (pci_bus == 0 || pci_bus == 8) {
456 strcat(str, " (");
457 strcat(str, pci_bus_modes[pci_bus >> 3]);
458 } else {
459 strcat(str, "-X ");
460 if (pci_bus & BIT_2)
461 strcat(str, "Mode 2");
462 else
463 strcat(str, "Mode 1");
464 strcat(str, " (");
465 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
466 }
467 strcat(str, " MHz)");
468
469 return str;
470}
471
e5f82ab8 472static char *
e315cd28 473qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str)
1da177e4
LT		 474{
475 char un_str[10];
e315cd28 476 struct qla_hw_data *ha = vha->hw;
fa2a1ce5 477
1da177e4
LT		 478 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
479 ha->fw_minor_version,
480 ha->fw_subminor_version);
481
482 if (ha->fw_attributes & BIT_9) {
483 strcat(str, "FLX");
484 return (str);
485 }
486
487 switch (ha->fw_attributes & 0xFF) {
488 case 0x7:
489 strcat(str, "EF");
490 break;
491 case 0x17:
492 strcat(str, "TP");
493 break;
494 case 0x37:
495 strcat(str, "IP");
496 break;
497 case 0x77:
498 strcat(str, "VI");
499 break;
500 default:
501 sprintf(un_str, "(%x)", ha->fw_attributes);
502 strcat(str, un_str);
503 break;
504 }
505 if (ha->fw_attributes & 0x100)
506 strcat(str, "X");
507
508 return (str);
509}
510
e5f82ab8 511static char *
e315cd28 512qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str)
fca29703 513{
e315cd28 514 struct qla_hw_data *ha = vha->hw;
f0883ac6 515
3a03eb79
AV		 516 sprintf(str, "%d.%02d.%02d (%x)", ha->fw_major_version,
517 ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
fca29703 518 return str;
fca29703
AV		 519}
520
521static inline srb_t *
e315cd28 522qla2x00_get_new_sp(scsi_qla_host_t *vha, fc_port_t *fcport,
f5e3e40b 523 struct scsi_cmnd *cmd)
fca29703
AV		 524{
525 srb_t *sp;
e315cd28 526 struct qla_hw_data *ha = vha->hw;
fca29703
AV		 527
528 sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
529 if (!sp)
530 return sp;
531
083a469d 532 atomic_set(&sp->ref_count, 1);
fca29703
AV		 533 sp->fcport = fcport;
534 sp->cmd = cmd;
535 sp->flags = 0;
536 CMD_SP(cmd) = (void *)sp;
cf53b069 537 sp->ctx = NULL;
fca29703
AV		 538
539 return sp;
540}
541
1da177e4 542static int
f5e3e40b 543qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
fca29703 544{
134ae078 545 scsi_qla_host_t *vha = shost_priv(host);
fca29703 546 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
19a7b4ae 547 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
e315cd28
AC		 548 struct qla_hw_data *ha = vha->hw;
549 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
fca29703
AV		 550 srb_t *sp;
551 int rval;
552
85880801
AV		 553 if (ha->flags.eeh_busy) {
554 if (ha->flags.pci_channel_io_perm_failure)
b9b12f73 555 cmd->result = DID_NO_CONNECT << 16;
85880801
AV		 556 else
557 cmd->result = DID_REQUEUE << 16;
14e660e6
SJ		 558 goto qc24_fail_command;
559 }
560
19a7b4ae
JSEC		 561 rval = fc_remote_port_chkready(rport);
562 if (rval) {
563 cmd->result = rval;
fca29703
AV		 564 goto qc24_fail_command;
565 }
566
bad75002
AE		 567 if (!vha->flags.difdix_supported &&
568 scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
569 DEBUG2(qla_printk(KERN_ERR, ha,
570 "DIF Cap Not Reg, fail DIF capable cmd's:%x\n",
571 cmd->cmnd[0]));
572 cmd->result = DID_NO_CONNECT << 16;
573 goto qc24_fail_command;
574 }
fca29703
AV		 575 if (atomic_read(&fcport->state) != FCS_ONLINE) {
576 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
38170fa8 577 atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
fca29703
AV		 578 cmd->result = DID_NO_CONNECT << 16;
579 goto qc24_fail_command;
580 }
7b594131 581 goto qc24_target_busy;
fca29703
AV		 582 }
583
f5e3e40b 584 sp = qla2x00_get_new_sp(base_vha, fcport, cmd);
fca29703 585 if (!sp)
f5e3e40b 586 goto qc24_host_busy;
fca29703 587
e315cd28 588 rval = ha->isp_ops->start_scsi(sp);
fca29703
AV		 589 if (rval != QLA_SUCCESS)
590 goto qc24_host_busy_free_sp;
591
fca29703
AV		 592 return 0;
593
594qc24_host_busy_free_sp:
e315cd28
AC		 595 qla2x00_sp_free_dma(sp);
596 mempool_free(sp, ha->srb_mempool);
fca29703 597
f5e3e40b 598qc24_host_busy:
fca29703
AV		 599 return SCSI_MLQUEUE_HOST_BUSY;
600
7b594131
MC		 601qc24_target_busy:
602 return SCSI_MLQUEUE_TARGET_BUSY;
603
fca29703 604qc24_fail_command:
f5e3e40b 605 cmd->scsi_done(cmd);
fca29703
AV		 606
607 return 0;
608}
609
1da177e4
LT		 610/*
611 * qla2x00_eh_wait_on_command
612 * Waits for the command to be returned by the Firmware for some
613 * max time.
614 *
615 * Input:
1da177e4 616 * cmd = Scsi Command to wait on.
1da177e4
LT		 617 *
618 * Return:
619 * Not Found : 0
620 * Found : 1
621 */
622static int
e315cd28 623qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
1da177e4 624{
fe74c71f
AV		 625#define ABORT_POLLING_PERIOD 1000
626#define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
f4f051eb 627 unsigned long wait_iter = ABORT_WAIT_ITER;
85880801
AV		 628 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
629 struct qla_hw_data *ha = vha->hw;
f4f051eb 630 int ret = QLA_SUCCESS;
1da177e4 631
85880801
AV		 632 if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) {
633 DEBUG17(qla_printk(KERN_WARNING, ha, "return:eh_wait\n"));
634 return ret;
635 }
636
d970432c 637 while (CMD_SP(cmd) && wait_iter--) {
fe74c71f 638 msleep(ABORT_POLLING_PERIOD);
f4f051eb
AV		 639 }
640 if (CMD_SP(cmd))
641 ret = QLA_FUNCTION_FAILED;
1da177e4 642
f4f051eb 643 return ret;
1da177e4
LT		 644}
645
646/*
647 * qla2x00_wait_for_hba_online
fa2a1ce5 648 * Wait till the HBA is online after going through
1da177e4
LT		 649 * <= MAX_RETRIES_OF_ISP_ABORT or
650 * finally HBA is disabled ie marked offline
651 *
652 * Input:
653 * ha - pointer to host adapter structure
fa2a1ce5
AV		 654 *
655 * Note:
1da177e4
LT		 656 * Does context switching-Release SPIN_LOCK
657 * (if any) before calling this routine.
658 *
659 * Return:
660 * Success (Adapter is online) : 0
661 * Failed (Adapter is offline/disabled) : 1
662 */
854165f4 663int
e315cd28 664qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
1da177e4 665{
fca29703
AV		 666 int return_status;
667 unsigned long wait_online;
e315cd28
AC		 668 struct qla_hw_data *ha = vha->hw;
669 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1da177e4 670
fa2a1ce5 671 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
e315cd28
AC		 672 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
673 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
674 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
675 ha->dpc_active) && time_before(jiffies, wait_online)) {
1da177e4
LT		 676
677 msleep(1000);
678 }
e315cd28 679 if (base_vha->flags.online)
fa2a1ce5 680 return_status = QLA_SUCCESS;
1da177e4
LT		 681 else
682 return_status = QLA_FUNCTION_FAILED;
683
1da177e4
LT		 684 return (return_status);
685}
686
86fbee86
LC		 687/*
688 * qla2x00_wait_for_reset_ready
689 * Wait till the HBA is online after going through
690 * <= MAX_RETRIES_OF_ISP_ABORT or
691 * finally HBA is disabled ie marked offline or flash
692 * operations are in progress.
693 *
694 * Input:
695 * ha - pointer to host adapter structure
696 *
697 * Note:
698 * Does context switching-Release SPIN_LOCK
699 * (if any) before calling this routine.
700 *
701 * Return:
702 * Success (Adapter is online/no flash ops) : 0
703 * Failed (Adapter is offline/disabled/flash ops in progress) : 1
704 */
3dbe756a 705static int
86fbee86
LC		 706qla2x00_wait_for_reset_ready(scsi_qla_host_t *vha)
707{
708 int return_status;
709 unsigned long wait_online;
710 struct qla_hw_data *ha = vha->hw;
711 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
712
713 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
714 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
715 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
716 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
717 ha->optrom_state != QLA_SWAITING ||
718 ha->dpc_active) && time_before(jiffies, wait_online))
719 msleep(1000);
720
721 if (base_vha->flags.online && ha->optrom_state == QLA_SWAITING)
722 return_status = QLA_SUCCESS;
723 else
724 return_status = QLA_FUNCTION_FAILED;
725
726 DEBUG2(printk("%s return_status=%d\n", __func__, return_status));
727
728 return return_status;
729}
730
2533cf67
LC		 731int
732qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
733{
734 int return_status;
735 unsigned long wait_reset;
736 struct qla_hw_data *ha = vha->hw;
737 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
738
739 wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
740 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
741 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
742 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
743 ha->dpc_active) && time_before(jiffies, wait_reset)) {
744
745 msleep(1000);
746
747 if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
748 ha->flags.chip_reset_done)
749 break;
750 }
751 if (ha->flags.chip_reset_done)
752 return_status = QLA_SUCCESS;
753 else
754 return_status = QLA_FUNCTION_FAILED;
755
756 return return_status;
757}
758
1da177e4
LT		 759/*
760 * qla2x00_wait_for_loop_ready
761 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
fa2a1ce5 762 * to be in LOOP_READY state.
1da177e4
LT		 763 * Input:
764 * ha - pointer to host adapter structure
fa2a1ce5
AV		 765 *
766 * Note:
1da177e4
LT		 767 * Does context switching-Release SPIN_LOCK
768 * (if any) before calling this routine.
fa2a1ce5 769 *
1da177e4
LT		 770 *
771 * Return:
772 * Success (LOOP_READY) : 0
773 * Failed (LOOP_NOT_READY) : 1
774 */
fa2a1ce5 775static inline int
e315cd28 776qla2x00_wait_for_loop_ready(scsi_qla_host_t *vha)
1da177e4
LT		 777{
778 int return_status = QLA_SUCCESS;
779 unsigned long loop_timeout ;
e315cd28
AC		 780 struct qla_hw_data *ha = vha->hw;
781 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1da177e4
LT		 782
783 /* wait for 5 min at the max for loop to be ready */
fa2a1ce5 784 loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1da177e4 785
e315cd28
AC		 786 while ((!atomic_read(&base_vha->loop_down_timer) &&
787 atomic_read(&base_vha->loop_state) == LOOP_DOWN) ||
788 atomic_read(&base_vha->loop_state) != LOOP_READY) {
789 if (atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
57680080
RA		 790 return_status = QLA_FUNCTION_FAILED;
791 break;
792 }
1da177e4
LT		 793 msleep(1000);
794 if (time_after_eq(jiffies, loop_timeout)) {
795 return_status = QLA_FUNCTION_FAILED;
796 break;
797 }
798 }
fa2a1ce5 799 return (return_status);
1da177e4
LT		 800}
801
083a469d
GM		 802static void
803sp_get(struct srb *sp)
804{
805 atomic_inc(&sp->ref_count);
806}
807
1da177e4
LT		 808/**************************************************************************
809* qla2xxx_eh_abort
810*
811* Description:
812* The abort function will abort the specified command.
813*
814* Input:
815* cmd = Linux SCSI command packet to be aborted.
816*
817* Returns:
818* Either SUCCESS or FAILED.
819*
820* Note:
2ea00202 821* Only return FAILED if command not returned by firmware.
1da177e4 822**************************************************************************/
e5f82ab8 823static int
1da177e4
LT		 824qla2xxx_eh_abort(struct scsi_cmnd *cmd)
825{
e315cd28 826 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
f4f051eb 827 srb_t *sp;
4e98d3b8 828 int ret;
f4f051eb 829 unsigned int id, lun;
18e144d3 830 unsigned long flags;
2ea00202 831 int wait = 0;
e315cd28 832 struct qla_hw_data *ha = vha->hw;
1da177e4 833
f4f051eb 834 if (!CMD_SP(cmd))
2ea00202 835 return SUCCESS;
1da177e4 836
4e98d3b8
AV		 837 ret = fc_block_scsi_eh(cmd);
838 if (ret != 0)
839 return ret;
840 ret = SUCCESS;
841
f4f051eb
AV		 842 id = cmd->device->id;
843 lun = cmd->device->lun;
1da177e4 844
e315cd28 845 spin_lock_irqsave(&ha->hardware_lock, flags);
170babc3
MC		 846 sp = (srb_t *) CMD_SP(cmd);
847 if (!sp) {
848 spin_unlock_irqrestore(&ha->hardware_lock, flags);
849 return SUCCESS;
850 }
1da177e4 851
170babc3
MC		 852 DEBUG2(printk("%s(%ld): aborting sp %p from RISC.",
853 __func__, vha->host_no, sp));
17d98630 854
170babc3
MC		 855 /* Get a reference to the sp and drop the lock.*/
856 sp_get(sp);
083a469d 857
e315cd28 858 spin_unlock_irqrestore(&ha->hardware_lock, flags);
170babc3
MC		 859 if (ha->isp_ops->abort_command(sp)) {
860 DEBUG2(printk("%s(%ld): abort_command "
861 "mbx failed.\n", __func__, vha->host_no));
862 ret = FAILED;
863 } else {
864 DEBUG3(printk("%s(%ld): abort_command "
865 "mbx success.\n", __func__, vha->host_no));
866 wait = 1;
867 }
868 qla2x00_sp_compl(ha, sp);
1da177e4 869
f4f051eb 870 /* Wait for the command to be returned. */
2ea00202 871 if (wait) {
e315cd28 872 if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
fa2a1ce5 873 qla_printk(KERN_ERR, ha,
09d1dc2a
MI		 874 "scsi(%ld:%d:%d): Abort handler timed out -- %x.\n",
875 vha->host_no, id, lun, ret);
2ea00202 876 ret = FAILED;
f4f051eb 877 }
1da177e4 878 }
1da177e4 879
fa2a1ce5 880 qla_printk(KERN_INFO, ha,
09d1dc2a
MI		 881 "scsi(%ld:%d:%d): Abort command issued -- %d %x.\n",
882 vha->host_no, id, lun, wait, ret);
1da177e4 883
f4f051eb
AV		 884 return ret;
885}
1da177e4 886
4d78c973 887int
e315cd28 888qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
4d78c973 889 unsigned int l, enum nexus_wait_type type)
f4f051eb 890{
17d98630 891 int cnt, match, status;
18e144d3 892 unsigned long flags;
e315cd28 893 struct qla_hw_data *ha = vha->hw;
73208dfd 894 struct req_que *req;
4d78c973 895 srb_t *sp;
1da177e4 896
523ec773 897 status = QLA_SUCCESS;
17d98630 898
e315cd28 899 spin_lock_irqsave(&ha->hardware_lock, flags);
67c2e93a 900 req = vha->req;
17d98630
AC		 901 for (cnt = 1; status == QLA_SUCCESS &&
902 cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
903 sp = req->outstanding_cmds[cnt];
904 if (!sp)
523ec773 905 continue;
bad75002 906 if ((sp->ctx) && !IS_PROT_IO(sp))
cf53b069 907 continue;
17d98630
AC		 908 if (vha->vp_idx != sp->fcport->vha->vp_idx)
909 continue;
910 match = 0;
911 switch (type) {
912 case WAIT_HOST:
913 match = 1;
914 break;
915 case WAIT_TARGET:
916 match = sp->cmd->device->id == t;
917 break;
918 case WAIT_LUN:
919 match = (sp->cmd->device->id == t &&
920 sp->cmd->device->lun == l);
921 break;
73208dfd 922 }
17d98630
AC		 923 if (!match)
924 continue;
925
926 spin_unlock_irqrestore(&ha->hardware_lock, flags);
927 status = qla2x00_eh_wait_on_command(sp->cmd);
928 spin_lock_irqsave(&ha->hardware_lock, flags);
1da177e4 929 }
e315cd28 930 spin_unlock_irqrestore(&ha->hardware_lock, flags);
523ec773
AV		 931
932 return status;
1da177e4
LT		 933}
934
523ec773
AV		 935static char *reset_errors[] = {
936 "HBA not online",
937 "HBA not ready",
938 "Task management failed",
939 "Waiting for command completions",
940};
1da177e4 941
e5f82ab8 942static int
523ec773 943__qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
2afa19a9 944 struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int, int))
1da177e4 945{
e315cd28 946 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
bdf79621 947 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
523ec773 948 int err;
1da177e4 949
b0328bee 950 if (!fcport)
523ec773 951 return FAILED;
1da177e4 952
4e98d3b8
AV		 953 err = fc_block_scsi_eh(cmd);
954 if (err != 0)
955 return err;
956
e315cd28
AC		 957 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET ISSUED.\n",
958 vha->host_no, cmd->device->id, cmd->device->lun, name);
1da177e4 959
523ec773 960 err = 0;
e315cd28 961 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
523ec773
AV		 962 goto eh_reset_failed;
963 err = 1;
e315cd28 964 if (qla2x00_wait_for_loop_ready(vha) != QLA_SUCCESS)
523ec773
AV		 965 goto eh_reset_failed;
966 err = 2;
2afa19a9
AC		 967 if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
968 != QLA_SUCCESS)
523ec773
AV		 969 goto eh_reset_failed;
970 err = 3;
e315cd28 971 if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
4d78c973 972 cmd->device->lun, type) != QLA_SUCCESS)
523ec773
AV		 973 goto eh_reset_failed;
974
e315cd28
AC		 975 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n",
976 vha->host_no, cmd->device->id, cmd->device->lun, name);
523ec773
AV		 977
978 return SUCCESS;
979
4d78c973 980eh_reset_failed:
e315cd28
AC		 981 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n"
982 , vha->host_no, cmd->device->id, cmd->device->lun, name,
523ec773
AV		 983 reset_errors[err]);
984 return FAILED;
985}
1da177e4 986
523ec773
AV		 987static int
988qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
989{
e315cd28
AC		 990 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
991 struct qla_hw_data *ha = vha->hw;
1da177e4 992
523ec773
AV		 993 return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
994 ha->isp_ops->lun_reset);
1da177e4
LT		 995}
996
1da177e4 997static int
523ec773 998qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1da177e4 999{
e315cd28
AC		 1000 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1001 struct qla_hw_data *ha = vha->hw;
1da177e4 1002
523ec773
AV		 1003 return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
1004 ha->isp_ops->target_reset);
1da177e4
LT		 1005}
1006
1da177e4
LT		 1007/**************************************************************************
1008* qla2xxx_eh_bus_reset
1009*
1010* Description:
1011* The bus reset function will reset the bus and abort any executing
1012* commands.
1013*
1014* Input:
1015* cmd = Linux SCSI command packet of the command that cause the
1016* bus reset.
1017*
1018* Returns:
1019* SUCCESS/FAILURE (defined as macro in scsi.h).
1020*
1021**************************************************************************/
e5f82ab8 1022static int
1da177e4
LT		 1023qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
1024{
e315cd28 1025 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
bdf79621 1026 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
2c3dfe3f 1027 int ret = FAILED;
f4f051eb 1028 unsigned int id, lun;
f4f051eb 1029
f4f051eb
AV		 1030 id = cmd->device->id;
1031 lun = cmd->device->lun;
1da177e4 1032
b0328bee 1033 if (!fcport)
f4f051eb 1034 return ret;
1da177e4 1035
4e98d3b8
AV		 1036 ret = fc_block_scsi_eh(cmd);
1037 if (ret != 0)
1038 return ret;
1039 ret = FAILED;
1040
e315cd28 1041 qla_printk(KERN_INFO, vha->hw,
749af3d5 1042 "scsi(%ld:%d:%d): BUS RESET ISSUED.\n", vha->host_no, id, lun);
1da177e4 1043
e315cd28 1044 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1da177e4 1045 DEBUG2(printk("%s failed:board disabled\n",__func__));
f4f051eb 1046 goto eh_bus_reset_done;
1da177e4
LT		 1047 }
1048
e315cd28
AC		 1049 if (qla2x00_wait_for_loop_ready(vha) == QLA_SUCCESS) {
1050 if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
f4f051eb 1051 ret = SUCCESS;
1da177e4 1052 }
f4f051eb
AV		 1053 if (ret == FAILED)
1054 goto eh_bus_reset_done;
1da177e4 1055
9a41a62b 1056 /* Flush outstanding commands. */
4d78c973 1057 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) !=
523ec773 1058 QLA_SUCCESS)
9a41a62b 1059 ret = FAILED;
1da177e4 1060
f4f051eb 1061eh_bus_reset_done:
e315cd28 1062 qla_printk(KERN_INFO, vha->hw, "%s: reset %s\n", __func__,
25985edc 1063 (ret == FAILED) ? "failed" : "succeeded");
1da177e4 1064
f4f051eb 1065 return ret;
1da177e4
LT		 1066}
1067
1068/**************************************************************************
1069* qla2xxx_eh_host_reset
1070*
1071* Description:
1072* The reset function will reset the Adapter.
1073*
1074* Input:
1075* cmd = Linux SCSI command packet of the command that cause the
1076* adapter reset.
1077*
1078* Returns:
1079* Either SUCCESS or FAILED.
1080*
1081* Note:
1082**************************************************************************/
e5f82ab8 1083static int
1da177e4
LT		 1084qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1085{
e315cd28 1086 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
bdf79621 1087 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
e315cd28 1088 struct qla_hw_data *ha = vha->hw;
2c3dfe3f 1089 int ret = FAILED;
f4f051eb 1090 unsigned int id, lun;
e315cd28 1091 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1da177e4 1092
f4f051eb
AV		 1093 id = cmd->device->id;
1094 lun = cmd->device->lun;
f4f051eb 1095
b0328bee 1096 if (!fcport)
f4f051eb 1097 return ret;
1da177e4 1098
4e98d3b8
AV		 1099 ret = fc_block_scsi_eh(cmd);
1100 if (ret != 0)
1101 return ret;
1102 ret = FAILED;
1103
1da177e4 1104 qla_printk(KERN_INFO, ha,
e315cd28 1105 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", vha->host_no, id, lun);
1da177e4 1106
86fbee86 1107 if (qla2x00_wait_for_reset_ready(vha) != QLA_SUCCESS)
f4f051eb 1108 goto eh_host_reset_lock;
1da177e4
LT		 1109
1110 /*
1111 * Fixme-may be dpc thread is active and processing
fa2a1ce5 1112 * loop_resync,so wait a while for it to
1da177e4
LT		 1113 * be completed and then issue big hammer.Otherwise
1114 * it may cause I/O failure as big hammer marks the
1115 * devices as lost kicking of the port_down_timer
1116 * while dpc is stuck for the mailbox to complete.
1117 */
e315cd28
AC		 1118 qla2x00_wait_for_loop_ready(vha);
1119 if (vha != base_vha) {
1120 if (qla2x00_vp_abort_isp(vha))
f4f051eb 1121 goto eh_host_reset_lock;
e315cd28 1122 } else {
a9083016
GM		 1123 if (IS_QLA82XX(vha->hw)) {
1124 if (!qla82xx_fcoe_ctx_reset(vha)) {
1125 /* Ctx reset success */
1126 ret = SUCCESS;
1127 goto eh_host_reset_lock;
1128 }
1129 /* fall thru if ctx reset failed */
1130 }
68ca949c
AC		 1131 if (ha->wq)
1132 flush_workqueue(ha->wq);
1133
e315cd28 1134 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
a9083016 1135 if (ha->isp_ops->abort_isp(base_vha)) {
e315cd28
AC		 1136 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1137 /* failed. schedule dpc to try */
1138 set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1139
1140 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
1141 goto eh_host_reset_lock;
1142 }
1143 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
fa2a1ce5 1144 }
1da177e4 1145
e315cd28 1146 /* Waiting for command to be returned to OS.*/
4d78c973 1147 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) ==
e315cd28 1148 QLA_SUCCESS)
f4f051eb 1149 ret = SUCCESS;
1da177e4 1150
f4f051eb 1151eh_host_reset_lock:
f4f051eb 1152 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
25985edc 1153 (ret == FAILED) ? "failed" : "succeeded");
1da177e4 1154
f4f051eb
AV		 1155 return ret;
1156}
1da177e4
LT		 1157
1158/*
1159* qla2x00_loop_reset
1160* Issue loop reset.
1161*
1162* Input:
1163* ha = adapter block pointer.
1164*
1165* Returns:
1166* 0 = success
1167*/
a4722cf2 1168int
e315cd28 1169qla2x00_loop_reset(scsi_qla_host_t *vha)
1da177e4 1170{
0c8c39af 1171 int ret;
bdf79621 1172 struct fc_port *fcport;
e315cd28 1173 struct qla_hw_data *ha = vha->hw;
1da177e4 1174
f4c496c1 1175 if (ql2xtargetreset == 1 && ha->flags.enable_target_reset) {
55e5ed27
AV		 1176 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1177 if (fcport->port_type != FCT_TARGET)
1178 continue;
1179
1180 ret = ha->isp_ops->target_reset(fcport, 0, 0);
1181 if (ret != QLA_SUCCESS) {
1182 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1183 "target_reset=%d d_id=%x.\n", __func__,
1184 vha->host_no, ret, fcport->d_id.b24));
1185 }
1186 }
1187 }
1188
a9083016 1189 if (ha->flags.enable_lip_full_login && !IS_QLA8XXX_TYPE(ha)) {
e315cd28 1190 ret = qla2x00_full_login_lip(vha);
0c8c39af 1191 if (ret != QLA_SUCCESS) {
749af3d5 1192 DEBUG2_3(printk("%s(%ld): failed: "
e315cd28 1193 "full_login_lip=%d.\n", __func__, vha->host_no,
0c8c39af 1194 ret));
749af3d5
AC		 1195 }
1196 atomic_set(&vha->loop_state, LOOP_DOWN);
1197 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1198 qla2x00_mark_all_devices_lost(vha, 0);
1199 qla2x00_wait_for_loop_ready(vha);
0c8c39af
AV		 1200 }
1201
0d6e61bc 1202 if (ha->flags.enable_lip_reset) {
e315cd28 1203 ret = qla2x00_lip_reset(vha);
0c8c39af 1204 if (ret != QLA_SUCCESS) {
749af3d5 1205 DEBUG2_3(printk("%s(%ld): failed: "
e315cd28
AC		 1206 "lip_reset=%d.\n", __func__, vha->host_no, ret));
1207 } else
1208 qla2x00_wait_for_loop_ready(vha);
1da177e4
LT		 1209 }
1210
1da177e4 1211 /* Issue marker command only when we are going to start the I/O */
e315cd28 1212 vha->marker_needed = 1;
1da177e4 1213
0c8c39af 1214 return QLA_SUCCESS;
1da177e4
LT		 1215}
1216
df4bf0bb 1217void
e315cd28 1218qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
df4bf0bb 1219{
73208dfd 1220 int que, cnt;
df4bf0bb
AV		 1221 unsigned long flags;
1222 srb_t *sp;
ac280b67 1223 struct srb_ctx *ctx;
e315cd28 1224 struct qla_hw_data *ha = vha->hw;
73208dfd 1225 struct req_que *req;
df4bf0bb
AV		 1226
1227 spin_lock_irqsave(&ha->hardware_lock, flags);
2afa19a9 1228 for (que = 0; que < ha->max_req_queues; que++) {
29bdccbe 1229 req = ha->req_q_map[que];
73208dfd
AC		 1230 if (!req)
1231 continue;
1232 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1233 sp = req->outstanding_cmds[cnt];
e612d465 1234 if (sp) {
73208dfd 1235 req->outstanding_cmds[cnt] = NULL;
a9083016 1236 if (!sp->ctx ||
bad75002
AE		 1237 (sp->flags & SRB_FCP_CMND_DMA_VALID) ||
1238 IS_PROT_IO(sp)) {
ac280b67
AV		 1239 sp->cmd->result = res;
1240 qla2x00_sp_compl(ha, sp);
1241 } else {
1242 ctx = sp->ctx;
6c452a45
AV		 1243 if (ctx->type == SRB_LOGIN_CMD ||
1244 ctx->type == SRB_LOGOUT_CMD) {
4916392b 1245 ctx->u.iocb_cmd->free(sp);
db3ad7f8 1246 } else {
6c452a45 1247 struct fc_bsg_job *bsg_job =
4916392b 1248 ctx->u.bsg_job;
6c452a45
AV		 1249 if (bsg_job->request->msgcode
1250 == FC_BSG_HST_CT)
db3ad7f8 1251 kfree(sp->fcport);
6c452a45
AV		 1252 bsg_job->req->errors = 0;
1253 bsg_job->reply->result = res;
4916392b 1254 bsg_job->job_done(bsg_job);
db3ad7f8 1255 kfree(sp->ctx);
6c452a45 1256 mempool_free(sp,
4916392b 1257 ha->srb_mempool);
db3ad7f8 1258 }
ac280b67 1259 }
73208dfd 1260 }
df4bf0bb
AV		 1261 }
1262 }
1263 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1264}
1265
f4f051eb
AV		 1266static int
1267qla2xxx_slave_alloc(struct scsi_device *sdev)
1da177e4 1268{
bdf79621 1269 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1da177e4 1270
19a7b4ae 1271 if (!rport || fc_remote_port_chkready(rport))
f4f051eb 1272 return -ENXIO;
bdf79621 1273
19a7b4ae 1274 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1da177e4 1275
f4f051eb
AV		 1276 return 0;
1277}
1da177e4 1278
f4f051eb
AV		 1279static int
1280qla2xxx_slave_configure(struct scsi_device *sdev)
1281{
e315cd28 1282 scsi_qla_host_t *vha = shost_priv(sdev->host);
2afa19a9 1283 struct req_que *req = vha->req;
8482e118 1284
f4f051eb 1285 if (sdev->tagged_supported)
73208dfd 1286 scsi_activate_tcq(sdev, req->max_q_depth);
f4f051eb 1287 else
73208dfd 1288 scsi_deactivate_tcq(sdev, req->max_q_depth);
f4f051eb
AV		 1289 return 0;
1290}
1da177e4 1291
f4f051eb
AV		 1292static void
1293qla2xxx_slave_destroy(struct scsi_device *sdev)
1294{
1295 sdev->hostdata = NULL;
1da177e4
LT		 1296}
1297
c45dd305
GM		 1298static void qla2x00_handle_queue_full(struct scsi_device *sdev, int qdepth)
1299{
1300 fc_port_t *fcport = (struct fc_port *) sdev->hostdata;
1301
1302 if (!scsi_track_queue_full(sdev, qdepth))
1303 return;
1304
1305 DEBUG2(qla_printk(KERN_INFO, fcport->vha->hw,
1306 "scsi(%ld:%d:%d:%d): Queue depth adjusted-down to %d.\n",
1307 fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun,
1308 sdev->queue_depth));
1309}
1310
1311static void qla2x00_adjust_sdev_qdepth_up(struct scsi_device *sdev, int qdepth)
1312{
1313 fc_port_t *fcport = sdev->hostdata;
1314 struct scsi_qla_host *vha = fcport->vha;
1315 struct qla_hw_data *ha = vha->hw;
1316 struct req_que *req = NULL;
1317
1318 req = vha->req;
1319 if (!req)
1320 return;
1321
1322 if (req->max_q_depth <= sdev->queue_depth || req->max_q_depth < qdepth)
1323 return;
1324
1325 if (sdev->ordered_tags)
1326 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, qdepth);
1327 else
1328 scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, qdepth);
1329
1330 DEBUG2(qla_printk(KERN_INFO, ha,
1331 "scsi(%ld:%d:%d:%d): Queue depth adjusted-up to %d.\n",
1332 fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun,
1333 sdev->queue_depth));
1334}
1335
ce7e4af7 1336static int
e881a172 1337qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
ce7e4af7 1338{
c45dd305
GM		 1339 switch (reason) {
1340 case SCSI_QDEPTH_DEFAULT:
1341 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1342 break;
1343 case SCSI_QDEPTH_QFULL:
1344 qla2x00_handle_queue_full(sdev, qdepth);
1345 break;
1346 case SCSI_QDEPTH_RAMP_UP:
1347 qla2x00_adjust_sdev_qdepth_up(sdev, qdepth);
1348 break;
1349 default:
08002af2 1350 return -EOPNOTSUPP;
c45dd305 1351 }
e881a172 1352
ce7e4af7
AV		 1353 return sdev->queue_depth;
1354}
1355
1356static int
1357qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1358{
1359 if (sdev->tagged_supported) {
1360 scsi_set_tag_type(sdev, tag_type);
1361 if (tag_type)
1362 scsi_activate_tcq(sdev, sdev->queue_depth);
1363 else
1364 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1365 } else
1366 tag_type = 0;
1367
1368 return tag_type;
1369}
1370
1da177e4
LT		 1371/**
1372 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1373 * @ha: HA context
1374 *
1375 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1376 * supported addressing method.
1377 */
1378static void
53303c42 1379qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1da177e4 1380{
7524f9b9 1381 /* Assume a 32bit DMA mask. */
1da177e4 1382 ha->flags.enable_64bit_addressing = 0;
1da177e4 1383
6a35528a 1384 if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
7524f9b9
AV		 1385 /* Any upper-dword bits set? */
1386 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
6a35528a 1387 !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
7524f9b9 1388 /* Ok, a 64bit DMA mask is applicable. */
1da177e4 1389 ha->flags.enable_64bit_addressing = 1;
fd34f556
AV		 1390 ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1391 ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
7524f9b9 1392 return;
1da177e4 1393 }
1da177e4 1394 }
7524f9b9 1395
284901a9
YH		 1396 dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1397 pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1da177e4
LT		 1398}
1399
fd34f556 1400static void
e315cd28 1401qla2x00_enable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1402{
1403 unsigned long flags = 0;
1404 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1405
1406 spin_lock_irqsave(&ha->hardware_lock, flags);
1407 ha->interrupts_on = 1;
1408 /* enable risc and host interrupts */
1409 WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1410 RD_REG_WORD(&reg->ictrl);
1411 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1412
1413}
1414
1415static void
e315cd28 1416qla2x00_disable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1417{
1418 unsigned long flags = 0;
1419 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1420
1421 spin_lock_irqsave(&ha->hardware_lock, flags);
1422 ha->interrupts_on = 0;
1423 /* disable risc and host interrupts */
1424 WRT_REG_WORD(&reg->ictrl, 0);
1425 RD_REG_WORD(&reg->ictrl);
1426 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1427}
1428
1429static void
e315cd28 1430qla24xx_enable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1431{
1432 unsigned long flags = 0;
1433 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1434
1435 spin_lock_irqsave(&ha->hardware_lock, flags);
1436 ha->interrupts_on = 1;
1437 WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1438 RD_REG_DWORD(&reg->ictrl);
1439 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1440}
1441
1442static void
e315cd28 1443qla24xx_disable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1444{
1445 unsigned long flags = 0;
1446 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1447
124f85e6
AV		 1448 if (IS_NOPOLLING_TYPE(ha))
1449 return;
fd34f556
AV		 1450 spin_lock_irqsave(&ha->hardware_lock, flags);
1451 ha->interrupts_on = 0;
1452 WRT_REG_DWORD(&reg->ictrl, 0);
1453 RD_REG_DWORD(&reg->ictrl);
1454 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1455}
1456
1457static struct isp_operations qla2100_isp_ops = {
1458 .pci_config = qla2100_pci_config,
1459 .reset_chip = qla2x00_reset_chip,
1460 .chip_diag = qla2x00_chip_diag,
1461 .config_rings = qla2x00_config_rings,
1462 .reset_adapter = qla2x00_reset_adapter,
1463 .nvram_config = qla2x00_nvram_config,
1464 .update_fw_options = qla2x00_update_fw_options,
1465 .load_risc = qla2x00_load_risc,
1466 .pci_info_str = qla2x00_pci_info_str,
1467 .fw_version_str = qla2x00_fw_version_str,
1468 .intr_handler = qla2100_intr_handler,
1469 .enable_intrs = qla2x00_enable_intrs,
1470 .disable_intrs = qla2x00_disable_intrs,
1471 .abort_command = qla2x00_abort_command,
523ec773
AV		 1472 .target_reset = qla2x00_abort_target,
1473 .lun_reset = qla2x00_lun_reset,
fd34f556
AV		 1474 .fabric_login = qla2x00_login_fabric,
1475 .fabric_logout = qla2x00_fabric_logout,
1476 .calc_req_entries = qla2x00_calc_iocbs_32,
1477 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1478 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1479 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1480 .read_nvram = qla2x00_read_nvram_data,
1481 .write_nvram = qla2x00_write_nvram_data,
1482 .fw_dump = qla2100_fw_dump,
1483 .beacon_on = NULL,
1484 .beacon_off = NULL,
1485 .beacon_blink = NULL,
1486 .read_optrom = qla2x00_read_optrom_data,
1487 .write_optrom = qla2x00_write_optrom_data,
1488 .get_flash_version = qla2x00_get_flash_version,
e315cd28 1489 .start_scsi = qla2x00_start_scsi,
a9083016 1490 .abort_isp = qla2x00_abort_isp,
fd34f556
AV		 1491};
1492
1493static struct isp_operations qla2300_isp_ops = {
1494 .pci_config = qla2300_pci_config,
1495 .reset_chip = qla2x00_reset_chip,
1496 .chip_diag = qla2x00_chip_diag,
1497 .config_rings = qla2x00_config_rings,
1498 .reset_adapter = qla2x00_reset_adapter,
1499 .nvram_config = qla2x00_nvram_config,
1500 .update_fw_options = qla2x00_update_fw_options,
1501 .load_risc = qla2x00_load_risc,
1502 .pci_info_str = qla2x00_pci_info_str,
1503 .fw_version_str = qla2x00_fw_version_str,
1504 .intr_handler = qla2300_intr_handler,
1505 .enable_intrs = qla2x00_enable_intrs,
1506 .disable_intrs = qla2x00_disable_intrs,
1507 .abort_command = qla2x00_abort_command,
523ec773
AV		 1508 .target_reset = qla2x00_abort_target,
1509 .lun_reset = qla2x00_lun_reset,
fd34f556
AV		 1510 .fabric_login = qla2x00_login_fabric,
1511 .fabric_logout = qla2x00_fabric_logout,
1512 .calc_req_entries = qla2x00_calc_iocbs_32,
1513 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1514 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1515 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1516 .read_nvram = qla2x00_read_nvram_data,
1517 .write_nvram = qla2x00_write_nvram_data,
1518 .fw_dump = qla2300_fw_dump,
1519 .beacon_on = qla2x00_beacon_on,
1520 .beacon_off = qla2x00_beacon_off,
1521 .beacon_blink = qla2x00_beacon_blink,
1522 .read_optrom = qla2x00_read_optrom_data,
1523 .write_optrom = qla2x00_write_optrom_data,
1524 .get_flash_version = qla2x00_get_flash_version,
e315cd28 1525 .start_scsi = qla2x00_start_scsi,
a9083016 1526 .abort_isp = qla2x00_abort_isp,
fd34f556
AV		 1527};
1528
1529static struct isp_operations qla24xx_isp_ops = {
1530 .pci_config = qla24xx_pci_config,
1531 .reset_chip = qla24xx_reset_chip,
1532 .chip_diag = qla24xx_chip_diag,
1533 .config_rings = qla24xx_config_rings,
1534 .reset_adapter = qla24xx_reset_adapter,
1535 .nvram_config = qla24xx_nvram_config,
1536 .update_fw_options = qla24xx_update_fw_options,
1537 .load_risc = qla24xx_load_risc,
1538 .pci_info_str = qla24xx_pci_info_str,
1539 .fw_version_str = qla24xx_fw_version_str,
1540 .intr_handler = qla24xx_intr_handler,
1541 .enable_intrs = qla24xx_enable_intrs,
1542 .disable_intrs = qla24xx_disable_intrs,
1543 .abort_command = qla24xx_abort_command,
523ec773
AV		 1544 .target_reset = qla24xx_abort_target,
1545 .lun_reset = qla24xx_lun_reset,
fd34f556
AV		 1546 .fabric_login = qla24xx_login_fabric,
1547 .fabric_logout = qla24xx_fabric_logout,
1548 .calc_req_entries = NULL,
1549 .build_iocbs = NULL,
1550 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1551 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1552 .read_nvram = qla24xx_read_nvram_data,
1553 .write_nvram = qla24xx_write_nvram_data,
1554 .fw_dump = qla24xx_fw_dump,
1555 .beacon_on = qla24xx_beacon_on,
1556 .beacon_off = qla24xx_beacon_off,
1557 .beacon_blink = qla24xx_beacon_blink,
1558 .read_optrom = qla24xx_read_optrom_data,
1559 .write_optrom = qla24xx_write_optrom_data,
1560 .get_flash_version = qla24xx_get_flash_version,
e315cd28 1561 .start_scsi = qla24xx_start_scsi,
a9083016 1562 .abort_isp = qla2x00_abort_isp,
fd34f556
AV		 1563};
1564
c3a2f0df
AV		 1565static struct isp_operations qla25xx_isp_ops = {
1566 .pci_config = qla25xx_pci_config,
1567 .reset_chip = qla24xx_reset_chip,
1568 .chip_diag = qla24xx_chip_diag,
1569 .config_rings = qla24xx_config_rings,
1570 .reset_adapter = qla24xx_reset_adapter,
1571 .nvram_config = qla24xx_nvram_config,
1572 .update_fw_options = qla24xx_update_fw_options,
1573 .load_risc = qla24xx_load_risc,
1574 .pci_info_str = qla24xx_pci_info_str,
1575 .fw_version_str = qla24xx_fw_version_str,
1576 .intr_handler = qla24xx_intr_handler,
1577 .enable_intrs = qla24xx_enable_intrs,
1578 .disable_intrs = qla24xx_disable_intrs,
1579 .abort_command = qla24xx_abort_command,
523ec773
AV		 1580 .target_reset = qla24xx_abort_target,
1581 .lun_reset = qla24xx_lun_reset,
c3a2f0df
AV		 1582 .fabric_login = qla24xx_login_fabric,
1583 .fabric_logout = qla24xx_fabric_logout,
1584 .calc_req_entries = NULL,
1585 .build_iocbs = NULL,
1586 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1587 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1588 .read_nvram = qla25xx_read_nvram_data,
1589 .write_nvram = qla25xx_write_nvram_data,
1590 .fw_dump = qla25xx_fw_dump,
1591 .beacon_on = qla24xx_beacon_on,
1592 .beacon_off = qla24xx_beacon_off,
1593 .beacon_blink = qla24xx_beacon_blink,
338c9161 1594 .read_optrom = qla25xx_read_optrom_data,
c3a2f0df
AV		 1595 .write_optrom = qla24xx_write_optrom_data,
1596 .get_flash_version = qla24xx_get_flash_version,
bad75002 1597 .start_scsi = qla24xx_dif_start_scsi,
a9083016 1598 .abort_isp = qla2x00_abort_isp,
c3a2f0df
AV		 1599};
1600
3a03eb79
AV		 1601static struct isp_operations qla81xx_isp_ops = {
1602 .pci_config = qla25xx_pci_config,
1603 .reset_chip = qla24xx_reset_chip,
1604 .chip_diag = qla24xx_chip_diag,
1605 .config_rings = qla24xx_config_rings,
1606 .reset_adapter = qla24xx_reset_adapter,
1607 .nvram_config = qla81xx_nvram_config,
1608 .update_fw_options = qla81xx_update_fw_options,
eaac30be 1609 .load_risc = qla81xx_load_risc,
3a03eb79
AV		 1610 .pci_info_str = qla24xx_pci_info_str,
1611 .fw_version_str = qla24xx_fw_version_str,
1612 .intr_handler = qla24xx_intr_handler,
1613 .enable_intrs = qla24xx_enable_intrs,
1614 .disable_intrs = qla24xx_disable_intrs,
1615 .abort_command = qla24xx_abort_command,
1616 .target_reset = qla24xx_abort_target,
1617 .lun_reset = qla24xx_lun_reset,
1618 .fabric_login = qla24xx_login_fabric,
1619 .fabric_logout = qla24xx_fabric_logout,
1620 .calc_req_entries = NULL,
1621 .build_iocbs = NULL,
1622 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1623 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
3d79038f
AV		 1624 .read_nvram = NULL,
1625 .write_nvram = NULL,
3a03eb79
AV		 1626 .fw_dump = qla81xx_fw_dump,
1627 .beacon_on = qla24xx_beacon_on,
1628 .beacon_off = qla24xx_beacon_off,
1629 .beacon_blink = qla24xx_beacon_blink,
1630 .read_optrom = qla25xx_read_optrom_data,
1631 .write_optrom = qla24xx_write_optrom_data,
1632 .get_flash_version = qla24xx_get_flash_version,
ba77ef53 1633 .start_scsi = qla24xx_dif_start_scsi,
a9083016
GM		 1634 .abort_isp = qla2x00_abort_isp,
1635};
1636
1637static struct isp_operations qla82xx_isp_ops = {
1638 .pci_config = qla82xx_pci_config,
1639 .reset_chip = qla82xx_reset_chip,
1640 .chip_diag = qla24xx_chip_diag,
1641 .config_rings = qla82xx_config_rings,
1642 .reset_adapter = qla24xx_reset_adapter,
1643 .nvram_config = qla81xx_nvram_config,
1644 .update_fw_options = qla24xx_update_fw_options,
1645 .load_risc = qla82xx_load_risc,
1646 .pci_info_str = qla82xx_pci_info_str,
1647 .fw_version_str = qla24xx_fw_version_str,
1648 .intr_handler = qla82xx_intr_handler,
1649 .enable_intrs = qla82xx_enable_intrs,
1650 .disable_intrs = qla82xx_disable_intrs,
1651 .abort_command = qla24xx_abort_command,
1652 .target_reset = qla24xx_abort_target,
1653 .lun_reset = qla24xx_lun_reset,
1654 .fabric_login = qla24xx_login_fabric,
1655 .fabric_logout = qla24xx_fabric_logout,
1656 .calc_req_entries = NULL,
1657 .build_iocbs = NULL,
1658 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1659 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1660 .read_nvram = qla24xx_read_nvram_data,
1661 .write_nvram = qla24xx_write_nvram_data,
1662 .fw_dump = qla24xx_fw_dump,
1663 .beacon_on = qla24xx_beacon_on,
1664 .beacon_off = qla24xx_beacon_off,
1665 .beacon_blink = qla24xx_beacon_blink,
1666 .read_optrom = qla82xx_read_optrom_data,
1667 .write_optrom = qla82xx_write_optrom_data,
1668 .get_flash_version = qla24xx_get_flash_version,
1669 .start_scsi = qla82xx_start_scsi,
1670 .abort_isp = qla82xx_abort_isp,
3a03eb79
AV		 1671};
1672
ea5b6382 1673static inline void
e315cd28 1674qla2x00_set_isp_flags(struct qla_hw_data *ha)
ea5b6382
AV		 1675{
1676 ha->device_type = DT_EXTENDED_IDS;
1677 switch (ha->pdev->device) {
1678 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1679 ha->device_type |= DT_ISP2100;
1680 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1681 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382
AV		 1682 break;
1683 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1684 ha->device_type |= DT_ISP2200;
1685 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1686 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382
AV		 1687 break;
1688 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1689 ha->device_type |= DT_ISP2300;
4a59f71d 1690 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1691 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1692 break;
1693 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1694 ha->device_type |= DT_ISP2312;
4a59f71d 1695 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1696 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1697 break;
1698 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1699 ha->device_type |= DT_ISP2322;
4a59f71d 1700 ha->device_type |= DT_ZIO_SUPPORTED;
ea5b6382
AV		 1701 if (ha->pdev->subsystem_vendor == 0x1028 &&
1702 ha->pdev->subsystem_device == 0x0170)
1703 ha->device_type |= DT_OEM_001;
441d1072 1704 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1705 break;
1706 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1707 ha->device_type |= DT_ISP6312;
441d1072 1708 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1709 break;
1710 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1711 ha->device_type |= DT_ISP6322;
441d1072 1712 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1713 break;
1714 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1715 ha->device_type |= DT_ISP2422;
4a59f71d 1716 ha->device_type |= DT_ZIO_SUPPORTED;
e428924c 1717 ha->device_type |= DT_FWI2;
c76f2c01 1718 ha->device_type |= DT_IIDMA;
441d1072 1719 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382
AV		 1720 break;
1721 case PCI_DEVICE_ID_QLOGIC_ISP2432:
1722 ha->device_type |= DT_ISP2432;
4a59f71d 1723 ha->device_type |= DT_ZIO_SUPPORTED;
e428924c 1724 ha->device_type |= DT_FWI2;
c76f2c01 1725 ha->device_type |= DT_IIDMA;
441d1072 1726 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1727 break;
4d4df193
HK		 1728 case PCI_DEVICE_ID_QLOGIC_ISP8432:
1729 ha->device_type |= DT_ISP8432;
1730 ha->device_type |= DT_ZIO_SUPPORTED;
1731 ha->device_type |= DT_FWI2;
1732 ha->device_type |= DT_IIDMA;
1733 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1734 break;
044cc6c8
AV		 1735 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1736 ha->device_type |= DT_ISP5422;
e428924c 1737 ha->device_type |= DT_FWI2;
441d1072 1738 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1739 break;
044cc6c8
AV		 1740 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1741 ha->device_type |= DT_ISP5432;
e428924c 1742 ha->device_type |= DT_FWI2;
441d1072 1743 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1744 break;
c3a2f0df
AV		 1745 case PCI_DEVICE_ID_QLOGIC_ISP2532:
1746 ha->device_type |= DT_ISP2532;
1747 ha->device_type |= DT_ZIO_SUPPORTED;
1748 ha->device_type |= DT_FWI2;
1749 ha->device_type |= DT_IIDMA;
441d1072 1750 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1751 break;
3a03eb79
AV		 1752 case PCI_DEVICE_ID_QLOGIC_ISP8001:
1753 ha->device_type |= DT_ISP8001;
1754 ha->device_type |= DT_ZIO_SUPPORTED;
1755 ha->device_type |= DT_FWI2;
1756 ha->device_type |= DT_IIDMA;
1757 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1758 break;
a9083016
GM		 1759 case PCI_DEVICE_ID_QLOGIC_ISP8021:
1760 ha->device_type |= DT_ISP8021;
1761 ha->device_type |= DT_ZIO_SUPPORTED;
1762 ha->device_type |= DT_FWI2;
1763 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1764 /* Initialize 82XX ISP flags */
1765 qla82xx_init_flags(ha);
1766 break;
ea5b6382 1767 }
e5b68a61 1768
a9083016
GM		 1769 if (IS_QLA82XX(ha))
1770 ha->port_no = !(ha->portnum & 1);
1771 else
1772 /* Get adapter physical port no from interrupt pin register. */
1773 pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
1774
e5b68a61
AC		 1775 if (ha->port_no & 1)
1776 ha->flags.port0 = 1;
1777 else
1778 ha->flags.port0 = 0;
ea5b6382
AV		 1779}
1780
1da177e4 1781static int
e315cd28 1782qla2x00_iospace_config(struct qla_hw_data *ha)
1da177e4 1783{
3776541d 1784 resource_size_t pio;
73208dfd 1785 uint16_t msix;
68ca949c 1786 int cpus;
1da177e4 1787
a9083016
GM		 1788 if (IS_QLA82XX(ha))
1789 return qla82xx_iospace_config(ha);
1790
285d0321
AV		 1791 if (pci_request_selected_regions(ha->pdev, ha->bars,
1792 QLA2XXX_DRIVER_NAME)) {
1793 qla_printk(KERN_WARNING, ha,
1794 "Failed to reserve PIO/MMIO regions (%s)\n",
1795 pci_name(ha->pdev));
1796
1797 goto iospace_error_exit;
1798 }
1799 if (!(ha->bars & 1))
1800 goto skip_pio;
1801
1da177e4
LT		 1802 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1803 pio = pci_resource_start(ha->pdev, 0);
3776541d
AV		 1804 if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1805 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1da177e4
LT		 1806 qla_printk(KERN_WARNING, ha,
1807 "Invalid PCI I/O region size (%s)...\n",
1808 pci_name(ha->pdev));
1809 pio = 0;
1810 }
1811 } else {
1812 qla_printk(KERN_WARNING, ha,
1813 "region #0 not a PIO resource (%s)...\n",
1814 pci_name(ha->pdev));
1815 pio = 0;
1816 }
285d0321 1817 ha->pio_address = pio;
1da177e4 1818
285d0321 1819skip_pio:
1da177e4 1820 /* Use MMIO operations for all accesses. */
3776541d 1821 if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1da177e4 1822 qla_printk(KERN_ERR, ha,
3776541d 1823 "region #1 not an MMIO resource (%s), aborting\n",
1da177e4
LT		 1824 pci_name(ha->pdev));
1825 goto iospace_error_exit;
1826 }
3776541d 1827 if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1da177e4
LT		 1828 qla_printk(KERN_ERR, ha,
1829 "Invalid PCI mem region size (%s), aborting\n",
1830 pci_name(ha->pdev));
1831 goto iospace_error_exit;
1832 }
1833
3776541d 1834 ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1da177e4
LT		 1835 if (!ha->iobase) {
1836 qla_printk(KERN_ERR, ha,
1837 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1838
1839 goto iospace_error_exit;
1840 }
1841
73208dfd 1842 /* Determine queue resources */
2afa19a9 1843 ha->max_req_queues = ha->max_rsp_queues = 1;
d84a47c2
MH		 1844 if ((ql2xmaxqueues <= 1 && !ql2xmultique_tag) ||
1845 (ql2xmaxqueues > 1 && ql2xmultique_tag) ||
2afa19a9 1846 (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
17d98630 1847 goto mqiobase_exit;
d84a47c2 1848
17d98630
AC		 1849 ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1850 pci_resource_len(ha->pdev, 3));
1851 if (ha->mqiobase) {
1852 /* Read MSIX vector size of the board */
1853 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1854 ha->msix_count = msix;
68ca949c
AC		 1855 /* Max queues are bounded by available msix vectors */
1856 /* queue 0 uses two msix vectors */
1857 if (ql2xmultique_tag) {
1858 cpus = num_online_cpus();
27dc9c5a 1859 ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ?
68ca949c
AC		 1860 (cpus + 1) : (ha->msix_count - 1);
1861 ha->max_req_queues = 2;
1862 } else if (ql2xmaxqueues > 1) {
2afa19a9
AC		 1863 ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ?
1864 QLA_MQ_SIZE : ql2xmaxqueues;
1865 DEBUG2(qla_printk(KERN_INFO, ha, "QoS mode set, max no"
1866 " of request queues:%d\n", ha->max_req_queues));
1867 }
68ca949c
AC		 1868 qla_printk(KERN_INFO, ha,
1869 "MSI-X vector count: %d\n", msix);
2afa19a9
AC		 1870 } else
1871 qla_printk(KERN_INFO, ha, "BAR 3 not enabled\n");
17d98630
AC		 1872
1873mqiobase_exit:
2afa19a9 1874 ha->msix_count = ha->max_rsp_queues + 1;
1da177e4
LT		 1875 return (0);
1876
1877iospace_error_exit:
1878 return (-ENOMEM);
1879}
1880
1e99e33a
AV		 1881static void
1882qla2xxx_scan_start(struct Scsi_Host *shost)
1883{
e315cd28 1884 scsi_qla_host_t *vha = shost_priv(shost);
1e99e33a 1885
cbc8eb67
AV		 1886 if (vha->hw->flags.running_gold_fw)
1887 return;
1888
e315cd28
AC		 1889 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1890 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1891 set_bit(RSCN_UPDATE, &vha->dpc_flags);
1892 set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
1e99e33a
AV		 1893}
1894
1895static int
1896qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1897{
e315cd28 1898 scsi_qla_host_t *vha = shost_priv(shost);
1e99e33a 1899
e315cd28 1900 if (!vha->host)
1e99e33a 1901 return 1;
e315cd28 1902 if (time > vha->hw->loop_reset_delay * HZ)
1e99e33a
AV		 1903 return 1;
1904
e315cd28 1905 return atomic_read(&vha->loop_state) == LOOP_READY;
1e99e33a
AV		 1906}
1907
1da177e4
LT		 1908/*
1909 * PCI driver interface
1910 */
7ee61397
AV		 1911static int __devinit
1912qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1da177e4 1913{
a1541d5a 1914 int ret = -ENODEV;
1da177e4 1915 struct Scsi_Host *host;
e315cd28
AC		 1916 scsi_qla_host_t *base_vha = NULL;
1917 struct qla_hw_data *ha;
29856e28 1918 char pci_info[30];
1da177e4 1919 char fw_str[30];
5433383e 1920 struct scsi_host_template *sht;
c51da4ec 1921 int bars, max_id, mem_only = 0;
e315cd28 1922 uint16_t req_length = 0, rsp_length = 0;
73208dfd
AC		 1923 struct req_que *req = NULL;
1924 struct rsp_que *rsp = NULL;
1da177e4 1925
285d0321 1926 bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
a5326f86 1927 sht = &qla2xxx_driver_template;
5433383e 1928 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
8bc69e7d 1929 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
4d4df193 1930 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
8bc69e7d 1931 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
c3a2f0df 1932 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
3a03eb79 1933 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
a9083016
GM		 1934 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 ||
1935 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021) {
285d0321 1936 bars = pci_select_bars(pdev, IORESOURCE_MEM);
09483916 1937 mem_only = 1;
285d0321
AV		 1938 }
1939
09483916
BH		 1940 if (mem_only) {
1941 if (pci_enable_device_mem(pdev))
1942 goto probe_out;
1943 } else {
1944 if (pci_enable_device(pdev))
1945 goto probe_out;
1946 }
285d0321 1947
0927678f
JB		 1948 /* This may fail but that's ok */
1949 pci_enable_pcie_error_reporting(pdev);
285d0321 1950
e315cd28
AC		 1951 ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
1952 if (!ha) {
1953 DEBUG(printk("Unable to allocate memory for ha\n"));
1954 goto probe_out;
1da177e4 1955 }
e315cd28 1956 ha->pdev = pdev;
1da177e4
LT		 1957
1958 /* Clear our data area */
285d0321 1959 ha->bars = bars;
09483916 1960 ha->mem_only = mem_only;
df4bf0bb 1961 spin_lock_init(&ha->hardware_lock);
339aa70e 1962 spin_lock_init(&ha->vport_slock);
1da177e4 1963
ea5b6382
AV		 1964 /* Set ISP-type information. */
1965 qla2x00_set_isp_flags(ha);
ca79cf66
DG		 1966
1967 /* Set EEH reset type to fundamental if required by hba */
1968 if ( IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha)) {
1969 pdev->needs_freset = 1;
ca79cf66
DG		 1970 }
1971
1da177e4
LT		 1972 /* Configure PCI I/O space */
1973 ret = qla2x00_iospace_config(ha);
a1541d5a 1974 if (ret)
e315cd28 1975 goto probe_hw_failed;
1da177e4 1976
1da177e4 1977 qla_printk(KERN_INFO, ha,
5433383e
AV		 1978 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1979 ha->iobase);
1da177e4 1980
1da177e4 1981 ha->prev_topology = 0;
fca29703 1982 ha->init_cb_size = sizeof(init_cb_t);
d8b45213 1983 ha->link_data_rate = PORT_SPEED_UNKNOWN;
854165f4 1984 ha->optrom_size = OPTROM_SIZE_2300;
1da177e4 1985
abbd8870 1986 /* Assign ISP specific operations. */
e315cd28 1987 max_id = MAX_TARGETS_2200;
1da177e4 1988 if (IS_QLA2100(ha)) {
e315cd28 1989 max_id = MAX_TARGETS_2100;
1da177e4 1990 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
e315cd28
AC		 1991 req_length = REQUEST_ENTRY_CNT_2100;
1992 rsp_length = RESPONSE_ENTRY_CNT_2100;
1993 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
abbd8870 1994 ha->gid_list_info_size = 4;
3a03eb79
AV		 1995 ha->flash_conf_off = ~0;
1996 ha->flash_data_off = ~0;
1997 ha->nvram_conf_off = ~0;
1998 ha->nvram_data_off = ~0;
fd34f556 1999 ha->isp_ops = &qla2100_isp_ops;
1da177e4 2000 } else if (IS_QLA2200(ha)) {
1da177e4 2001 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 2002 req_length = REQUEST_ENTRY_CNT_2200;
2003 rsp_length = RESPONSE_ENTRY_CNT_2100;
2004 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
abbd8870 2005 ha->gid_list_info_size = 4;
3a03eb79
AV		 2006 ha->flash_conf_off = ~0;
2007 ha->flash_data_off = ~0;
2008 ha->nvram_conf_off = ~0;
2009 ha->nvram_data_off = ~0;
fd34f556 2010 ha->isp_ops = &qla2100_isp_ops;
fca29703 2011 } else if (IS_QLA23XX(ha)) {
1da177e4 2012 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 2013 req_length = REQUEST_ENTRY_CNT_2200;
2014 rsp_length = RESPONSE_ENTRY_CNT_2300;
2015 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
abbd8870 2016 ha->gid_list_info_size = 6;
854165f4
AV		 2017 if (IS_QLA2322(ha) || IS_QLA6322(ha))
2018 ha->optrom_size = OPTROM_SIZE_2322;
3a03eb79
AV		 2019 ha->flash_conf_off = ~0;
2020 ha->flash_data_off = ~0;
2021 ha->nvram_conf_off = ~0;
2022 ha->nvram_data_off = ~0;
fd34f556 2023 ha->isp_ops = &qla2300_isp_ops;
4d4df193 2024 } else if (IS_QLA24XX_TYPE(ha)) {
fca29703 2025 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 2026 req_length = REQUEST_ENTRY_CNT_24XX;
2027 rsp_length = RESPONSE_ENTRY_CNT_2300;
2028 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2c3dfe3f 2029 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
fca29703 2030 ha->gid_list_info_size = 8;
854165f4 2031 ha->optrom_size = OPTROM_SIZE_24XX;
73208dfd 2032 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
fd34f556 2033 ha->isp_ops = &qla24xx_isp_ops;
3a03eb79
AV		 2034 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2035 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2036 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2037 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
c3a2f0df 2038 } else if (IS_QLA25XX(ha)) {
c3a2f0df 2039 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 2040 req_length = REQUEST_ENTRY_CNT_24XX;
2041 rsp_length = RESPONSE_ENTRY_CNT_2300;
2042 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
c3a2f0df 2043 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
c3a2f0df
AV		 2044 ha->gid_list_info_size = 8;
2045 ha->optrom_size = OPTROM_SIZE_25XX;
73208dfd 2046 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
c3a2f0df 2047 ha->isp_ops = &qla25xx_isp_ops;
3a03eb79
AV		 2048 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2049 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2050 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2051 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2052 } else if (IS_QLA81XX(ha)) {
2053 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2054 req_length = REQUEST_ENTRY_CNT_24XX;
2055 rsp_length = RESPONSE_ENTRY_CNT_2300;
2056 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2057 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2058 ha->gid_list_info_size = 8;
2059 ha->optrom_size = OPTROM_SIZE_81XX;
40859ae5 2060 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3a03eb79
AV		 2061 ha->isp_ops = &qla81xx_isp_ops;
2062 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2063 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2064 ha->nvram_conf_off = ~0;
2065 ha->nvram_data_off = ~0;
a9083016
GM		 2066 } else if (IS_QLA82XX(ha)) {
2067 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2068 req_length = REQUEST_ENTRY_CNT_82XX;
2069 rsp_length = RESPONSE_ENTRY_CNT_82XX;
2070 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2071 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2072 ha->gid_list_info_size = 8;
2073 ha->optrom_size = OPTROM_SIZE_82XX;
087c621e 2074 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
a9083016
GM		 2075 ha->isp_ops = &qla82xx_isp_ops;
2076 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2077 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2078 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2079 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
1da177e4 2080 }
1da177e4 2081
6c2f527c 2082 mutex_init(&ha->vport_lock);
0b05a1f0
MB		 2083 init_completion(&ha->mbx_cmd_comp);
2084 complete(&ha->mbx_cmd_comp);
2085 init_completion(&ha->mbx_intr_comp);
23f2ebd1 2086 init_completion(&ha->dcbx_comp);
1da177e4 2087
2c3dfe3f 2088 set_bit(0, (unsigned long *) ha->vp_idx_map);
1da177e4 2089
53303c42 2090 qla2x00_config_dma_addressing(ha);
73208dfd 2091 ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
e315cd28 2092 if (!ret) {
1da177e4
LT		 2093 qla_printk(KERN_WARNING, ha,
2094 "[ERROR] Failed to allocate memory for adapter\n");
2095
e315cd28
AC		 2096 goto probe_hw_failed;
2097 }
2098
73208dfd 2099 req->max_q_depth = MAX_Q_DEPTH;
e315cd28 2100 if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
73208dfd
AC		 2101 req->max_q_depth = ql2xmaxqdepth;
2102
e315cd28
AC		 2103
2104 base_vha = qla2x00_create_host(sht, ha);
2105 if (!base_vha) {
2106 qla_printk(KERN_WARNING, ha,
2107 "[ERROR] Failed to allocate memory for scsi_host\n");
2108
a1541d5a 2109 ret = -ENOMEM;
6e9f21f3 2110 qla2x00_mem_free(ha);
2afa19a9
AC		 2111 qla2x00_free_req_que(ha, req);
2112 qla2x00_free_rsp_que(ha, rsp);
e315cd28 2113 goto probe_hw_failed;
1da177e4
LT		 2114 }
2115
e315cd28
AC		 2116 pci_set_drvdata(pdev, base_vha);
2117
e315cd28 2118 host = base_vha->host;
2afa19a9 2119 base_vha->req = req;
73208dfd
AC		 2120 host->can_queue = req->length + 128;
2121 if (IS_QLA2XXX_MIDTYPE(ha))
e315cd28 2122 base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
73208dfd 2123 else
e315cd28
AC		 2124 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
2125 base_vha->vp_idx;
58548cb5
GM		 2126
2127 /* Set the SG table size based on ISP type */
2128 if (!IS_FWI2_CAPABLE(ha)) {
2129 if (IS_QLA2100(ha))
2130 host->sg_tablesize = 32;
2131 } else {
2132 if (!IS_QLA82XX(ha))
2133 host->sg_tablesize = QLA_SG_ALL;
2134 }
2135
e315cd28
AC		 2136 host->max_id = max_id;
2137 host->this_id = 255;
2138 host->cmd_per_lun = 3;
2139 host->unique_id = host->host_no;
0c470874
AE		 2140 if ((IS_QLA25XX(ha) || IS_QLA81XX(ha)) && ql2xenabledif)
2141 host->max_cmd_len = 32;
2142 else
2143 host->max_cmd_len = MAX_CMDSZ;
e315cd28 2144 host->max_channel = MAX_BUSES - 1;
82515920 2145 host->max_lun = ql2xmaxlun;
e315cd28 2146 host->transportt = qla2xxx_transport_template;
9a069e19 2147 sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
e315cd28 2148
73208dfd
AC		 2149 /* Set up the irqs */
2150 ret = qla2x00_request_irqs(ha, rsp);
2151 if (ret)
6e9f21f3 2152 goto probe_init_failed;
90a86fc0
JC		 2153
2154 pci_save_state(pdev);
2155
73208dfd 2156 /* Alloc arrays of request and response ring ptrs */
7163ea81 2157que_init:
73208dfd
AC		 2158 if (!qla2x00_alloc_queues(ha)) {
2159 qla_printk(KERN_WARNING, ha,
2160 "[ERROR] Failed to allocate memory for queue"
2161 " pointers\n");
6e9f21f3 2162 goto probe_init_failed;
73208dfd 2163 }
a9083016 2164
73208dfd
AC		 2165 ha->rsp_q_map[0] = rsp;
2166 ha->req_q_map[0] = req;
2afa19a9
AC		 2167 rsp->req = req;
2168 req->rsp = rsp;
2169 set_bit(0, ha->req_qid_map);
2170 set_bit(0, ha->rsp_qid_map);
08029990
AV		 2171 /* FWI2-capable only. */
2172 req->req_q_in = &ha->iobase->isp24.req_q_in;
2173 req->req_q_out = &ha->iobase->isp24.req_q_out;
2174 rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
2175 rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
17d98630 2176 if (ha->mqenable) {
08029990
AV		 2177 req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
2178 req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
2179 rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
2180 rsp->rsp_q_out = &ha->mqiobase->isp25mq.rsp_q_out;
17d98630
AC		 2181 }
2182
a9083016
GM		 2183 if (IS_QLA82XX(ha)) {
2184 req->req_q_out = &ha->iobase->isp82.req_q_out[0];
2185 rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0];
2186 rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0];
2187 }
2188
e315cd28 2189 if (qla2x00_initialize_adapter(base_vha)) {
1da177e4
LT		 2190 qla_printk(KERN_WARNING, ha,
2191 "Failed to initialize adapter\n");
2192
2193 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
2194 "Adapter flags %x.\n",
e315cd28 2195 base_vha->host_no, base_vha->device_flags));
1da177e4 2196
a9083016
GM		 2197 if (IS_QLA82XX(ha)) {
2198 qla82xx_idc_lock(ha);
2199 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
2200 QLA82XX_DEV_FAILED);
2201 qla82xx_idc_unlock(ha);
2202 qla_printk(KERN_INFO, ha, "HW State: FAILED\n");
2203 }
2204
a1541d5a 2205 ret = -ENODEV;
1da177e4
LT		 2206 goto probe_failed;
2207 }
2208
7163ea81
AC		 2209 if (ha->mqenable) {
2210 if (qla25xx_setup_mode(base_vha)) {
68ca949c
AC		 2211 qla_printk(KERN_WARNING, ha,
2212 "Can't create queues, falling back to single"
2213 " queue mode\n");
7163ea81
AC		 2214 goto que_init;
2215 }
2216 }
68ca949c 2217
cbc8eb67
AV		 2218 if (ha->flags.running_gold_fw)
2219 goto skip_dpc;
2220
1da177e4
LT		 2221 /*
2222 * Startup the kernel thread for this host adapter
2223 */
39a11240 2224 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
e315cd28 2225 "%s_dpc", base_vha->host_str);
39a11240 2226 if (IS_ERR(ha->dpc_thread)) {
1da177e4
LT		 2227 qla_printk(KERN_WARNING, ha,
2228 "Unable to start DPC thread!\n");
39a11240 2229 ret = PTR_ERR(ha->dpc_thread);
1da177e4
LT		 2230 goto probe_failed;
2231 }
1da177e4 2232
cbc8eb67 2233skip_dpc:
e315cd28
AC		 2234 list_add_tail(&base_vha->list, &ha->vp_list);
2235 base_vha->host->irq = ha->pdev->irq;
1da177e4
LT		 2236
2237 /* Initialized the timer */
e315cd28 2238 qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
1da177e4
LT		 2239
2240 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
e315cd28 2241 base_vha->host_no, ha));
d19044c3 2242
ba77ef53 2243 if ((IS_QLA25XX(ha) || IS_QLA81XX(ha)) && ql2xenabledif) {
bad75002
AE		 2244 if (ha->fw_attributes & BIT_4) {
2245 base_vha->flags.difdix_supported = 1;
2246 DEBUG18(qla_printk(KERN_INFO, ha,
2247 "Registering for DIF/DIX type 1 and 3"
2248 " protection.\n"));
2249 scsi_host_set_prot(host,
2250 SHOST_DIF_TYPE1_PROTECTION
0c470874 2251 | SHOST_DIF_TYPE2_PROTECTION
bad75002
AE		 2252 | SHOST_DIF_TYPE3_PROTECTION
2253 | SHOST_DIX_TYPE1_PROTECTION
0c470874 2254 | SHOST_DIX_TYPE2_PROTECTION
bad75002
AE		 2255 | SHOST_DIX_TYPE3_PROTECTION);
2256 scsi_host_set_guard(host, SHOST_DIX_GUARD_CRC);
2257 } else
2258 base_vha->flags.difdix_supported = 0;
2259 }
2260
a9083016
GM		 2261 ha->isp_ops->enable_intrs(ha);
2262
a1541d5a
AV		 2263 ret = scsi_add_host(host, &pdev->dev);
2264 if (ret)
2265 goto probe_failed;
2266
1486400f
MR		 2267 base_vha->flags.init_done = 1;
2268 base_vha->flags.online = 1;
2269
1e99e33a
AV		 2270 scsi_scan_host(host);
2271
e315cd28 2272 qla2x00_alloc_sysfs_attr(base_vha);
a1541d5a 2273
e315cd28 2274 qla2x00_init_host_attr(base_vha);
a1541d5a 2275
e315cd28 2276 qla2x00_dfs_setup(base_vha);
df613b96 2277
1da177e4
LT		 2278 qla_printk(KERN_INFO, ha, "\n"
2279 " QLogic Fibre Channel HBA Driver: %s\n"
2280 " QLogic %s - %s\n"
5433383e
AV		 2281 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
2282 qla2x00_version_str, ha->model_number,
e315cd28
AC		 2283 ha->model_desc ? ha->model_desc : "", pdev->device,
2284 ha->isp_ops->pci_info_str(base_vha, pci_info), pci_name(pdev),
2285 ha->flags.enable_64bit_addressing ? '+' : '-', base_vha->host_no,
2286 ha->isp_ops->fw_version_str(base_vha, fw_str));
1da177e4 2287
1da177e4
LT		 2288 return 0;
2289
6e9f21f3 2290probe_init_failed:
2afa19a9
AC		 2291 qla2x00_free_req_que(ha, req);
2292 qla2x00_free_rsp_que(ha, rsp);
2293 ha->max_req_queues = ha->max_rsp_queues = 0;
6e9f21f3 2294
1da177e4 2295probe_failed:
b9978769
AV		 2296 if (base_vha->timer_active)
2297 qla2x00_stop_timer(base_vha);
2298 base_vha->flags.online = 0;
2299 if (ha->dpc_thread) {
2300 struct task_struct *t = ha->dpc_thread;
2301
2302 ha->dpc_thread = NULL;
2303 kthread_stop(t);
2304 }
2305
e315cd28 2306 qla2x00_free_device(base_vha);
1da177e4 2307
e315cd28 2308 scsi_host_put(base_vha->host);
1da177e4 2309
e315cd28 2310probe_hw_failed:
a9083016
GM		 2311 if (IS_QLA82XX(ha)) {
2312 qla82xx_idc_lock(ha);
2313 qla82xx_clear_drv_active(ha);
2314 qla82xx_idc_unlock(ha);
2315 iounmap((device_reg_t __iomem *)ha->nx_pcibase);
2316 if (!ql2xdbwr)
2317 iounmap((device_reg_t __iomem *)ha->nxdb_wr_ptr);
2318 } else {
2319 if (ha->iobase)
2320 iounmap(ha->iobase);
2321 }
e315cd28
AC		 2322 pci_release_selected_regions(ha->pdev, ha->bars);
2323 kfree(ha);
2324 ha = NULL;
1da177e4 2325
a1541d5a 2326probe_out:
e315cd28 2327 pci_disable_device(pdev);
a1541d5a 2328 return ret;
1da177e4 2329}
1da177e4 2330
e30d1756
MI		 2331static void
2332qla2x00_shutdown(struct pci_dev *pdev)
2333{
2334 scsi_qla_host_t *vha;
2335 struct qla_hw_data *ha;
2336
2337 vha = pci_get_drvdata(pdev);
2338 ha = vha->hw;
2339
2340 /* Turn-off FCE trace */
2341 if (ha->flags.fce_enabled) {
2342 qla2x00_disable_fce_trace(vha, NULL, NULL);
2343 ha->flags.fce_enabled = 0;
2344 }
2345
2346 /* Turn-off EFT trace */
2347 if (ha->eft)
2348 qla2x00_disable_eft_trace(vha);
2349
2350 /* Stop currently executing firmware. */
2351 qla2x00_try_to_stop_firmware(vha);
2352
2353 /* Turn adapter off line */
2354 vha->flags.online = 0;
2355
2356 /* turn-off interrupts on the card */
2357 if (ha->interrupts_on) {
2358 vha->flags.init_done = 0;
2359 ha->isp_ops->disable_intrs(ha);
2360 }
2361
2362 qla2x00_free_irqs(vha);
2363
2364 qla2x00_free_fw_dump(ha);
2365}
2366
4c993f76 2367static void
7ee61397 2368qla2x00_remove_one(struct pci_dev *pdev)
1da177e4 2369{
feafb7b1 2370 scsi_qla_host_t *base_vha, *vha;
e315cd28 2371 struct qla_hw_data *ha;
feafb7b1 2372 unsigned long flags;
e315cd28
AC		 2373
2374 base_vha = pci_get_drvdata(pdev);
2375 ha = base_vha->hw;
2376
43ebf16d
AE		 2377 mutex_lock(&ha->vport_lock);
2378 while (ha->cur_vport_count) {
2379 struct Scsi_Host *scsi_host;
feafb7b1 2380
43ebf16d 2381 spin_lock_irqsave(&ha->vport_slock, flags);
feafb7b1 2382
43ebf16d
AE		 2383 BUG_ON(base_vha->list.next == &ha->vp_list);
2384 /* This assumes first entry in ha->vp_list is always base vha */
2385 vha = list_first_entry(&base_vha->list, scsi_qla_host_t, list);
2386 scsi_host = scsi_host_get(vha->host);
feafb7b1 2387
43ebf16d
AE		 2388 spin_unlock_irqrestore(&ha->vport_slock, flags);
2389 mutex_unlock(&ha->vport_lock);
2390
2391 fc_vport_terminate(vha->fc_vport);
2392 scsi_host_put(vha->host);
feafb7b1 2393
43ebf16d 2394 mutex_lock(&ha->vport_lock);
e315cd28 2395 }
43ebf16d 2396 mutex_unlock(&ha->vport_lock);
1da177e4 2397
e315cd28 2398 set_bit(UNLOADING, &base_vha->dpc_flags);
1da177e4 2399
b9978769
AV		 2400 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
2401
e315cd28 2402 qla2x00_dfs_remove(base_vha);
c795c1e4 2403
e315cd28 2404 qla84xx_put_chip(base_vha);
c795c1e4 2405
b9978769
AV		 2406 /* Disable timer */
2407 if (base_vha->timer_active)
2408 qla2x00_stop_timer(base_vha);
2409
2410 base_vha->flags.online = 0;
2411
68ca949c
AC		 2412 /* Flush the work queue and remove it */
2413 if (ha->wq) {
2414 flush_workqueue(ha->wq);
2415 destroy_workqueue(ha->wq);
2416 ha->wq = NULL;
2417 }
2418
b9978769
AV		 2419 /* Kill the kernel thread for this host */
2420 if (ha->dpc_thread) {
2421 struct task_struct *t = ha->dpc_thread;
2422
2423 /*
2424 * qla2xxx_wake_dpc checks for ->dpc_thread
2425 * so we need to zero it out.
2426 */
2427 ha->dpc_thread = NULL;
2428 kthread_stop(t);
2429 }
2430
e315cd28 2431 qla2x00_free_sysfs_attr(base_vha);
df613b96 2432
e315cd28 2433 fc_remove_host(base_vha->host);
4d4df193 2434
e315cd28 2435 scsi_remove_host(base_vha->host);
1da177e4 2436
e315cd28 2437 qla2x00_free_device(base_vha);
bdf79621 2438
e315cd28 2439 scsi_host_put(base_vha->host);
1da177e4 2440
a9083016 2441 if (IS_QLA82XX(ha)) {
b963752f
GM		 2442 qla82xx_idc_lock(ha);
2443 qla82xx_clear_drv_active(ha);
2444 qla82xx_idc_unlock(ha);
2445
a9083016
GM		 2446 iounmap((device_reg_t __iomem *)ha->nx_pcibase);
2447 if (!ql2xdbwr)
2448 iounmap((device_reg_t __iomem *)ha->nxdb_wr_ptr);
2449 } else {
2450 if (ha->iobase)
2451 iounmap(ha->iobase);
1da177e4 2452
a9083016
GM		 2453 if (ha->mqiobase)
2454 iounmap(ha->mqiobase);
2455 }
73208dfd 2456
e315cd28
AC		 2457 pci_release_selected_regions(ha->pdev, ha->bars);
2458 kfree(ha);
2459 ha = NULL;
1da177e4 2460
90a86fc0
JC		 2461 pci_disable_pcie_error_reporting(pdev);
2462
665db93b 2463 pci_disable_device(pdev);
1da177e4
LT		 2464 pci_set_drvdata(pdev, NULL);
2465}
1da177e4
LT		 2466
2467static void
e315cd28 2468qla2x00_free_device(scsi_qla_host_t *vha)
1da177e4 2469{
e315cd28 2470 struct qla_hw_data *ha = vha->hw;
1da177e4 2471
85880801
AV		 2472 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
2473
2474 /* Disable timer */
2475 if (vha->timer_active)
2476 qla2x00_stop_timer(vha);
2477
2478 /* Kill the kernel thread for this host */
2479 if (ha->dpc_thread) {
2480 struct task_struct *t = ha->dpc_thread;
2481
2482 /*
2483 * qla2xxx_wake_dpc checks for ->dpc_thread
2484 * so we need to zero it out.
2485 */
2486 ha->dpc_thread = NULL;
2487 kthread_stop(t);
2488 }
2489
2afa19a9
AC		 2490 qla25xx_delete_queues(vha);
2491
df613b96 2492 if (ha->flags.fce_enabled)
e315cd28 2493 qla2x00_disable_fce_trace(vha, NULL, NULL);
df613b96 2494
a7a167bf 2495 if (ha->eft)
e315cd28 2496 qla2x00_disable_eft_trace(vha);
a7a167bf 2497
f6ef3b18 2498 /* Stop currently executing firmware. */
e315cd28 2499 qla2x00_try_to_stop_firmware(vha);
1da177e4 2500
85880801
AV		 2501 vha->flags.online = 0;
2502
f6ef3b18 2503 /* turn-off interrupts on the card */
a9083016
GM		 2504 if (ha->interrupts_on) {
2505 vha->flags.init_done = 0;
fd34f556 2506 ha->isp_ops->disable_intrs(ha);
a9083016 2507 }
f6ef3b18 2508
e315cd28 2509 qla2x00_free_irqs(vha);
1da177e4 2510
8867048b
CD		 2511 qla2x00_free_fcports(vha);
2512
e315cd28 2513 qla2x00_mem_free(ha);
73208dfd
AC		 2514
2515 qla2x00_free_queues(ha);
1da177e4
LT		 2516}
2517
8867048b
CD		 2518void qla2x00_free_fcports(struct scsi_qla_host *vha)
2519{
2520 fc_port_t *fcport, *tfcport;
2521
2522 list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list) {
2523 list_del(&fcport->list);
2524 kfree(fcport);
2525 fcport = NULL;
2526 }
2527}
2528
d97994dc 2529static inline void
e315cd28 2530qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
d97994dc
AV		 2531 int defer)
2532{
d97994dc 2533 struct fc_rport *rport;
67becc00 2534 scsi_qla_host_t *base_vha;
044d78e1 2535 unsigned long flags;
d97994dc
AV		 2536
2537 if (!fcport->rport)
2538 return;
2539
2540 rport = fcport->rport;
2541 if (defer) {
67becc00 2542 base_vha = pci_get_drvdata(vha->hw->pdev);
044d78e1 2543 spin_lock_irqsave(vha->host->host_lock, flags);
d97994dc 2544 fcport->drport = rport;
044d78e1 2545 spin_unlock_irqrestore(vha->host->host_lock, flags);
67becc00
AV		 2546 set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
2547 qla2xxx_wake_dpc(base_vha);
5f3a9a20 2548 } else
d97994dc 2549 fc_remote_port_delete(rport);
d97994dc
AV		 2550}
2551
1da177e4
LT		 2552/*
2553 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
2554 *
2555 * Input: ha = adapter block pointer. fcport = port structure pointer.
2556 *
2557 * Return: None.
2558 *
2559 * Context:
2560 */
e315cd28 2561void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
d97994dc 2562 int do_login, int defer)
1da177e4 2563{
2c3dfe3f 2564 if (atomic_read(&fcport->state) == FCS_ONLINE &&
e315cd28 2565 vha->vp_idx == fcport->vp_idx) {
ec426e10 2566 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
e315cd28
AC		 2567 qla2x00_schedule_rport_del(vha, fcport, defer);
2568 }
fa2a1ce5 2569 /*
1da177e4
LT		 2570 * We may need to retry the login, so don't change the state of the
2571 * port but do the retries.
2572 */
2573 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
ec426e10 2574 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
1da177e4
LT		 2575
2576 if (!do_login)
2577 return;
2578
2579 if (fcport->login_retry == 0) {
e315cd28
AC		 2580 fcport->login_retry = vha->hw->login_retry_count;
2581 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1da177e4
LT		 2582
2583 DEBUG(printk("scsi(%ld): Port login retry: "
2584 "%02x%02x%02x%02x%02x%02x%02x%02x, "
2585 "id = 0x%04x retry cnt=%d\n",
e315cd28 2586 vha->host_no,
1da177e4
LT		 2587 fcport->port_name[0],
2588 fcport->port_name[1],
2589 fcport->port_name[2],
2590 fcport->port_name[3],
2591 fcport->port_name[4],
2592 fcport->port_name[5],
2593 fcport->port_name[6],
2594 fcport->port_name[7],
2595 fcport->loop_id,
2596 fcport->login_retry));
2597 }
2598}
2599
2600/*
2601 * qla2x00_mark_all_devices_lost
2602 * Updates fcport state when device goes offline.
2603 *
2604 * Input:
2605 * ha = adapter block pointer.
2606 * fcport = port structure pointer.
2607 *
2608 * Return:
2609 * None.
2610 *
2611 * Context:
2612 */
2613void
e315cd28 2614qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
1da177e4
LT		 2615{
2616 fc_port_t *fcport;
2617
e315cd28 2618 list_for_each_entry(fcport, &vha->vp_fcports, list) {
0d6e61bc 2619 if (vha->vp_idx != 0 && vha->vp_idx != fcport->vp_idx)
1da177e4 2620 continue;
0d6e61bc 2621
1da177e4
LT		 2622 /*
2623 * No point in marking the device as lost, if the device is
2624 * already DEAD.
2625 */
2626 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
2627 continue;
e315cd28 2628 if (atomic_read(&fcport->state) == FCS_ONLINE) {
ec426e10 2629 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
0d6e61bc
AV		 2630 if (defer)
2631 qla2x00_schedule_rport_del(vha, fcport, defer);
2632 else if (vha->vp_idx == fcport->vp_idx)
2633 qla2x00_schedule_rport_del(vha, fcport, defer);
2634 }
1da177e4
LT		 2635 }
2636}
2637
2638/*
2639* qla2x00_mem_alloc
2640* Allocates adapter memory.
2641*
2642* Returns:
2643* 0 = success.
e8711085 2644* !0 = failure.
1da177e4 2645*/
e8711085 2646static int
73208dfd
AC		 2647qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
2648 struct req_que **req, struct rsp_que **rsp)
1da177e4
LT		 2649{
2650 char name[16];
1da177e4 2651
e8711085 2652 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
e315cd28 2653 &ha->init_cb_dma, GFP_KERNEL);
e8711085 2654 if (!ha->init_cb)
e315cd28 2655 goto fail;
e8711085 2656
e315cd28
AC		 2657 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2658 &ha->gid_list_dma, GFP_KERNEL);
2659 if (!ha->gid_list)
e8711085 2660 goto fail_free_init_cb;
1da177e4 2661
e8711085
AV		 2662 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2663 if (!ha->srb_mempool)
e315cd28 2664 goto fail_free_gid_list;
e8711085 2665
a9083016
GM		 2666 if (IS_QLA82XX(ha)) {
2667 /* Allocate cache for CT6 Ctx. */
2668 if (!ctx_cachep) {
2669 ctx_cachep = kmem_cache_create("qla2xxx_ctx",
2670 sizeof(struct ct6_dsd), 0,
2671 SLAB_HWCACHE_ALIGN, NULL);
2672 if (!ctx_cachep)
2673 goto fail_free_gid_list;
2674 }
2675 ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ,
2676 ctx_cachep);
2677 if (!ha->ctx_mempool)
2678 goto fail_free_srb_mempool;
2679 }
2680
e8711085
AV		 2681 /* Get memory for cached NVRAM */
2682 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2683 if (!ha->nvram)
a9083016 2684 goto fail_free_ctx_mempool;
e8711085 2685
e315cd28
AC		 2686 snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
2687 ha->pdev->device);
2688 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2689 DMA_POOL_SIZE, 8, 0);
2690 if (!ha->s_dma_pool)
2691 goto fail_free_nvram;
2692
bad75002 2693 if (IS_QLA82XX(ha) || ql2xenabledif) {
a9083016
GM		 2694 ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2695 DSD_LIST_DMA_POOL_SIZE, 8, 0);
2696 if (!ha->dl_dma_pool) {
2697 qla_printk(KERN_WARNING, ha,
2698 "Memory Allocation failed - dl_dma_pool\n");
2699 goto fail_s_dma_pool;
2700 }
2701
2702 ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2703 FCP_CMND_DMA_POOL_SIZE, 8, 0);
2704 if (!ha->fcp_cmnd_dma_pool) {
2705 qla_printk(KERN_WARNING, ha,
2706 "Memory Allocation failed - fcp_cmnd_dma_pool\n");
2707 goto fail_dl_dma_pool;
2708 }
2709 }
2710
e8711085
AV		 2711 /* Allocate memory for SNS commands */
2712 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
e315cd28 2713 /* Get consistent memory allocated for SNS commands */
e8711085 2714 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
e315cd28 2715 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
e8711085 2716 if (!ha->sns_cmd)
e315cd28 2717 goto fail_dma_pool;
e8711085 2718 } else {
e315cd28 2719 /* Get consistent memory allocated for MS IOCB */
e8711085 2720 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
e315cd28 2721 &ha->ms_iocb_dma);
e8711085 2722 if (!ha->ms_iocb)
e315cd28
AC		 2723 goto fail_dma_pool;
2724 /* Get consistent memory allocated for CT SNS commands */
e8711085 2725 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
e315cd28 2726 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
e8711085
AV		 2727 if (!ha->ct_sns)
2728 goto fail_free_ms_iocb;
1da177e4
LT		 2729 }
2730
e315cd28 2731 /* Allocate memory for request ring */
73208dfd
AC		 2732 *req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
2733 if (!*req) {
e315cd28
AC		 2734 DEBUG(printk("Unable to allocate memory for req\n"));
2735 goto fail_req;
2736 }
73208dfd
AC		 2737 (*req)->length = req_len;
2738 (*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
2739 ((*req)->length + 1) * sizeof(request_t),
2740 &(*req)->dma, GFP_KERNEL);
2741 if (!(*req)->ring) {
e315cd28
AC		 2742 DEBUG(printk("Unable to allocate memory for req_ring\n"));
2743 goto fail_req_ring;
2744 }
2745 /* Allocate memory for response ring */
73208dfd
AC		 2746 *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
2747 if (!*rsp) {
2748 qla_printk(KERN_WARNING, ha,
2749 "Unable to allocate memory for rsp\n");
e315cd28
AC		 2750 goto fail_rsp;
2751 }
73208dfd
AC		 2752 (*rsp)->hw = ha;
2753 (*rsp)->length = rsp_len;
2754 (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
2755 ((*rsp)->length + 1) * sizeof(response_t),
2756 &(*rsp)->dma, GFP_KERNEL);
2757 if (!(*rsp)->ring) {
2758 qla_printk(KERN_WARNING, ha,
2759 "Unable to allocate memory for rsp_ring\n");
e315cd28
AC		 2760 goto fail_rsp_ring;
2761 }
73208dfd
AC		 2762 (*req)->rsp = *rsp;
2763 (*rsp)->req = *req;
2764 /* Allocate memory for NVRAM data for vports */
2765 if (ha->nvram_npiv_size) {
2766 ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
2767 ha->nvram_npiv_size, GFP_KERNEL);
2768 if (!ha->npiv_info) {
2769 qla_printk(KERN_WARNING, ha,
2770 "Unable to allocate memory for npiv info\n");
2771 goto fail_npiv_info;
2772 }
2773 } else
2774 ha->npiv_info = NULL;
e8711085 2775
b64b0e8f 2776 /* Get consistent memory allocated for EX-INIT-CB. */
a9083016 2777 if (IS_QLA8XXX_TYPE(ha)) {
b64b0e8f
AV		 2778 ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2779 &ha->ex_init_cb_dma);
2780 if (!ha->ex_init_cb)
2781 goto fail_ex_init_cb;
2782 }
2783
a9083016
GM		 2784 INIT_LIST_HEAD(&ha->gbl_dsd_list);
2785
5ff1d584
AV		 2786 /* Get consistent memory allocated for Async Port-Database. */
2787 if (!IS_FWI2_CAPABLE(ha)) {
2788 ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2789 &ha->async_pd_dma);
2790 if (!ha->async_pd)
2791 goto fail_async_pd;
2792 }
2793
e315cd28
AC		 2794 INIT_LIST_HEAD(&ha->vp_list);
2795 return 1;
2796
5ff1d584
AV		 2797fail_async_pd:
2798 dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
b64b0e8f
AV		 2799fail_ex_init_cb:
2800 kfree(ha->npiv_info);
73208dfd
AC		 2801fail_npiv_info:
2802 dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
2803 sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
2804 (*rsp)->ring = NULL;
2805 (*rsp)->dma = 0;
e315cd28 2806fail_rsp_ring:
73208dfd 2807 kfree(*rsp);
e315cd28 2808fail_rsp:
73208dfd
AC		 2809 dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
2810 sizeof(request_t), (*req)->ring, (*req)->dma);
2811 (*req)->ring = NULL;
2812 (*req)->dma = 0;
e315cd28 2813fail_req_ring:
73208dfd 2814 kfree(*req);
e315cd28
AC		 2815fail_req:
2816 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2817 ha->ct_sns, ha->ct_sns_dma);
2818 ha->ct_sns = NULL;
2819 ha->ct_sns_dma = 0;
e8711085
AV		 2820fail_free_ms_iocb:
2821 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2822 ha->ms_iocb = NULL;
2823 ha->ms_iocb_dma = 0;
e315cd28 2824fail_dma_pool:
bad75002 2825 if (IS_QLA82XX(ha) || ql2xenabledif) {
a9083016
GM		 2826 dma_pool_destroy(ha->fcp_cmnd_dma_pool);
2827 ha->fcp_cmnd_dma_pool = NULL;
2828 }
2829fail_dl_dma_pool:
bad75002 2830 if (IS_QLA82XX(ha) || ql2xenabledif) {
a9083016
GM		 2831 dma_pool_destroy(ha->dl_dma_pool);
2832 ha->dl_dma_pool = NULL;
2833 }
2834fail_s_dma_pool:
e315cd28
AC		 2835 dma_pool_destroy(ha->s_dma_pool);
2836 ha->s_dma_pool = NULL;
e8711085
AV		 2837fail_free_nvram:
2838 kfree(ha->nvram);
2839 ha->nvram = NULL;
a9083016
GM		 2840fail_free_ctx_mempool:
2841 mempool_destroy(ha->ctx_mempool);
2842 ha->ctx_mempool = NULL;
e8711085
AV		 2843fail_free_srb_mempool:
2844 mempool_destroy(ha->srb_mempool);
2845 ha->srb_mempool = NULL;
e8711085
AV		 2846fail_free_gid_list:
2847 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
e315cd28 2848 ha->gid_list_dma);
e8711085
AV		 2849 ha->gid_list = NULL;
2850 ha->gid_list_dma = 0;
e315cd28
AC		 2851fail_free_init_cb:
2852 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
2853 ha->init_cb_dma);
2854 ha->init_cb = NULL;
2855 ha->init_cb_dma = 0;
e8711085 2856fail:
e315cd28 2857 DEBUG(printk("%s: Memory allocation failure\n", __func__));
e8711085 2858 return -ENOMEM;
1da177e4
LT		 2859}
2860
2861/*
e30d1756
MI		 2862* qla2x00_free_fw_dump
2863* Frees fw dump stuff.
1da177e4
LT		 2864*
2865* Input:
e30d1756 2866* ha = adapter block pointer.
1da177e4 2867*/
a824ebb3 2868static void
e30d1756 2869qla2x00_free_fw_dump(struct qla_hw_data *ha)
1da177e4 2870{
df613b96
AV		 2871 if (ha->fce)
2872 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
e30d1756 2873 ha->fce_dma);
df613b96 2874
a7a167bf
AV		 2875 if (ha->fw_dump) {
2876 if (ha->eft)
2877 dma_free_coherent(&ha->pdev->dev,
e30d1756 2878 ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
a7a167bf
AV		 2879 vfree(ha->fw_dump);
2880 }
e30d1756
MI		 2881 ha->fce = NULL;
2882 ha->fce_dma = 0;
2883 ha->eft = NULL;
2884 ha->eft_dma = 0;
2885 ha->fw_dump = NULL;
2886 ha->fw_dumped = 0;
2887 ha->fw_dump_reading = 0;
2888}
2889
2890/*
2891* qla2x00_mem_free
2892* Frees all adapter allocated memory.
2893*
2894* Input:
2895* ha = adapter block pointer.
2896*/
2897static void
2898qla2x00_mem_free(struct qla_hw_data *ha)
2899{
2900 qla2x00_free_fw_dump(ha);
2901
2902 if (ha->srb_mempool)
2903 mempool_destroy(ha->srb_mempool);
a7a167bf 2904
11bbc1d8
AV		 2905 if (ha->dcbx_tlv)
2906 dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
2907 ha->dcbx_tlv, ha->dcbx_tlv_dma);
2908
ce0423f4
AV		 2909 if (ha->xgmac_data)
2910 dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
2911 ha->xgmac_data, ha->xgmac_data_dma);
2912
1da177e4
LT		 2913 if (ha->sns_cmd)
2914 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
e315cd28 2915 ha->sns_cmd, ha->sns_cmd_dma);
1da177e4
LT		 2916
2917 if (ha->ct_sns)
2918 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
e315cd28 2919 ha->ct_sns, ha->ct_sns_dma);
1da177e4 2920
88729e53
AV		 2921 if (ha->sfp_data)
2922 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2923
ad0ecd61
JC		 2924 if (ha->edc_data)
2925 dma_pool_free(ha->s_dma_pool, ha->edc_data, ha->edc_data_dma);
2926
1da177e4
LT		 2927 if (ha->ms_iocb)
2928 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2929
b64b0e8f 2930 if (ha->ex_init_cb)
a9083016
GM		 2931 dma_pool_free(ha->s_dma_pool,
2932 ha->ex_init_cb, ha->ex_init_cb_dma);
b64b0e8f 2933
5ff1d584
AV		 2934 if (ha->async_pd)
2935 dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
2936
1da177e4
LT		 2937 if (ha->s_dma_pool)
2938 dma_pool_destroy(ha->s_dma_pool);
2939
1da177e4
LT		 2940 if (ha->gid_list)
2941 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
e315cd28 2942 ha->gid_list_dma);
1da177e4 2943
a9083016
GM		 2944 if (IS_QLA82XX(ha)) {
2945 if (!list_empty(&ha->gbl_dsd_list)) {
2946 struct dsd_dma *dsd_ptr, *tdsd_ptr;
2947
2948 /* clean up allocated prev pool */
2949 list_for_each_entry_safe(dsd_ptr,
2950 tdsd_ptr, &ha->gbl_dsd_list, list) {
2951 dma_pool_free(ha->dl_dma_pool,
2952 dsd_ptr->dsd_addr, dsd_ptr->dsd_list_dma);
2953 list_del(&dsd_ptr->list);
2954 kfree(dsd_ptr);
2955 }
2956 }
2957 }
2958
2959 if (ha->dl_dma_pool)
2960 dma_pool_destroy(ha->dl_dma_pool);
2961
2962 if (ha->fcp_cmnd_dma_pool)
2963 dma_pool_destroy(ha->fcp_cmnd_dma_pool);
2964
2965 if (ha->ctx_mempool)
2966 mempool_destroy(ha->ctx_mempool);
2967
e315cd28
AC		 2968 if (ha->init_cb)
2969 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
a9083016 2970 ha->init_cb, ha->init_cb_dma);
e315cd28
AC		 2971 vfree(ha->optrom_buffer);
2972 kfree(ha->nvram);
73208dfd 2973 kfree(ha->npiv_info);
1da177e4 2974
e8711085 2975 ha->srb_mempool = NULL;
a9083016 2976 ha->ctx_mempool = NULL;
1da177e4
LT		 2977 ha->sns_cmd = NULL;
2978 ha->sns_cmd_dma = 0;
2979 ha->ct_sns = NULL;
2980 ha->ct_sns_dma = 0;
2981 ha->ms_iocb = NULL;
2982 ha->ms_iocb_dma = 0;
1da177e4
LT		 2983 ha->init_cb = NULL;
2984 ha->init_cb_dma = 0;
b64b0e8f
AV		 2985 ha->ex_init_cb = NULL;
2986 ha->ex_init_cb_dma = 0;
5ff1d584
AV		 2987 ha->async_pd = NULL;
2988 ha->async_pd_dma = 0;
1da177e4
LT		 2989
2990 ha->s_dma_pool = NULL;
a9083016
GM		 2991 ha->dl_dma_pool = NULL;
2992 ha->fcp_cmnd_dma_pool = NULL;
1da177e4 2993
1da177e4
LT		 2994 ha->gid_list = NULL;
2995 ha->gid_list_dma = 0;
e315cd28 2996}
1da177e4 2997
e315cd28
AC		 2998struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
2999 struct qla_hw_data *ha)
3000{
3001 struct Scsi_Host *host;
3002 struct scsi_qla_host *vha = NULL;
854165f4 3003
e315cd28
AC		 3004 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
3005 if (host == NULL) {
3006 printk(KERN_WARNING
3007 "qla2xxx: Couldn't allocate host from scsi layer!\n");
3008 goto fail;
3009 }
3010
3011 /* Clear our data area */
3012 vha = shost_priv(host);
3013 memset(vha, 0, sizeof(scsi_qla_host_t));
3014
3015 vha->host = host;
3016 vha->host_no = host->host_no;
3017 vha->hw = ha;
3018
3019 INIT_LIST_HEAD(&vha->vp_fcports);
3020 INIT_LIST_HEAD(&vha->work_list);
3021 INIT_LIST_HEAD(&vha->list);
3022
f999f4c1
AV		 3023 spin_lock_init(&vha->work_lock);
3024
e315cd28
AC		 3025 sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
3026 return vha;
3027
3028fail:
3029 return vha;
1da177e4
LT		 3030}
3031
01ef66bb 3032static struct qla_work_evt *
f999f4c1 3033qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
0971de7f
AV		 3034{
3035 struct qla_work_evt *e;
feafb7b1
AE		 3036 uint8_t bail;
3037
3038 QLA_VHA_MARK_BUSY(vha, bail);
3039 if (bail)
3040 return NULL;
0971de7f 3041
f999f4c1 3042 e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
feafb7b1
AE		 3043 if (!e) {
3044 QLA_VHA_MARK_NOT_BUSY(vha);
0971de7f 3045 return NULL;
feafb7b1 3046 }
0971de7f
AV		 3047
3048 INIT_LIST_HEAD(&e->list);
3049 e->type = type;
3050 e->flags = QLA_EVT_FLAG_FREE;
3051 return e;
3052}
3053
01ef66bb 3054static int
f999f4c1 3055qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
0971de7f 3056{
f999f4c1 3057 unsigned long flags;
0971de7f 3058
f999f4c1 3059 spin_lock_irqsave(&vha->work_lock, flags);
e315cd28 3060 list_add_tail(&e->list, &vha->work_list);
f999f4c1 3061 spin_unlock_irqrestore(&vha->work_lock, flags);
e315cd28 3062 qla2xxx_wake_dpc(vha);
f999f4c1 3063
0971de7f
AV		 3064 return QLA_SUCCESS;
3065}
3066
3067int
e315cd28 3068qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
0971de7f
AV		 3069 u32 data)
3070{
3071 struct qla_work_evt *e;
3072
f999f4c1 3073 e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
0971de7f
AV		 3074 if (!e)
3075 return QLA_FUNCTION_FAILED;
3076
3077 e->u.aen.code = code;
3078 e->u.aen.data = data;
f999f4c1 3079 return qla2x00_post_work(vha, e);
0971de7f
AV		 3080}
3081
8a659571
AV		 3082int
3083qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
3084{
3085 struct qla_work_evt *e;
3086
f999f4c1 3087 e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
8a659571
AV		 3088 if (!e)
3089 return QLA_FUNCTION_FAILED;
3090
3091 memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
f999f4c1 3092 return qla2x00_post_work(vha, e);
8a659571
AV		 3093}
3094
ac280b67
AV		 3095#define qla2x00_post_async_work(name, type) \
3096int qla2x00_post_async_##name##_work( \
3097 struct scsi_qla_host *vha, \
3098 fc_port_t *fcport, uint16_t *data) \
3099{ \
3100 struct qla_work_evt *e; \
3101 \
3102 e = qla2x00_alloc_work(vha, type); \
3103 if (!e) \
3104 return QLA_FUNCTION_FAILED; \
3105 \
3106 e->u.logio.fcport = fcport; \
3107 if (data) { \
3108 e->u.logio.data[0] = data[0]; \
3109 e->u.logio.data[1] = data[1]; \
3110 } \
3111 return qla2x00_post_work(vha, e); \
3112}
3113
3114qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
3115qla2x00_post_async_work(login_done, QLA_EVT_ASYNC_LOGIN_DONE);
3116qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
3117qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE);
5ff1d584
AV		 3118qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC);
3119qla2x00_post_async_work(adisc_done, QLA_EVT_ASYNC_ADISC_DONE);
ac280b67 3120
3420d36c
AV		 3121int
3122qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
3123{
3124 struct qla_work_evt *e;
3125
3126 e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
3127 if (!e)
3128 return QLA_FUNCTION_FAILED;
3129
3130 e->u.uevent.code = code;
3131 return qla2x00_post_work(vha, e);
3132}
3133
3134static void
3135qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
3136{
3137 char event_string[40];
3138 char *envp[] = { event_string, NULL };
3139
3140 switch (code) {
3141 case QLA_UEVENT_CODE_FW_DUMP:
3142 snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld",
3143 vha->host_no);
3144 break;
3145 default:
3146 /* do nothing */
3147 break;
3148 }
3149 kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
3150}
3151
ac280b67 3152void
e315cd28 3153qla2x00_do_work(struct scsi_qla_host *vha)
0971de7f 3154{
f999f4c1
AV		 3155 struct qla_work_evt *e, *tmp;
3156 unsigned long flags;
3157 LIST_HEAD(work);
0971de7f 3158
f999f4c1
AV		 3159 spin_lock_irqsave(&vha->work_lock, flags);
3160 list_splice_init(&vha->work_list, &work);
3161 spin_unlock_irqrestore(&vha->work_lock, flags);
3162
3163 list_for_each_entry_safe(e, tmp, &work, list) {
0971de7f 3164 list_del_init(&e->list);
0971de7f
AV		 3165
3166 switch (e->type) {
3167 case QLA_EVT_AEN:
e315cd28 3168 fc_host_post_event(vha->host, fc_get_event_number(),
0971de7f
AV		 3169 e->u.aen.code, e->u.aen.data);
3170 break;
8a659571
AV		 3171 case QLA_EVT_IDC_ACK:
3172 qla81xx_idc_ack(vha, e->u.idc_ack.mb);
3173 break;
ac280b67
AV		 3174 case QLA_EVT_ASYNC_LOGIN:
3175 qla2x00_async_login(vha, e->u.logio.fcport,
3176 e->u.logio.data);
3177 break;
3178 case QLA_EVT_ASYNC_LOGIN_DONE:
3179 qla2x00_async_login_done(vha, e->u.logio.fcport,
3180 e->u.logio.data);
3181 break;
3182 case QLA_EVT_ASYNC_LOGOUT:
3183 qla2x00_async_logout(vha, e->u.logio.fcport);
3184 break;
3185 case QLA_EVT_ASYNC_LOGOUT_DONE:
3186 qla2x00_async_logout_done(vha, e->u.logio.fcport,
3187 e->u.logio.data);
3188 break;
5ff1d584
AV		 3189 case QLA_EVT_ASYNC_ADISC:
3190 qla2x00_async_adisc(vha, e->u.logio.fcport,
3191 e->u.logio.data);
3192 break;
3193 case QLA_EVT_ASYNC_ADISC_DONE:
3194 qla2x00_async_adisc_done(vha, e->u.logio.fcport,
3195 e->u.logio.data);
3196 break;
3420d36c
AV		 3197 case QLA_EVT_UEVENT:
3198 qla2x00_uevent_emit(vha, e->u.uevent.code);
3199 break;
0971de7f
AV		 3200 }
3201 if (e->flags & QLA_EVT_FLAG_FREE)
3202 kfree(e);
feafb7b1
AE		 3203
3204 /* For each work completed decrement vha ref count */
3205 QLA_VHA_MARK_NOT_BUSY(vha);
e315cd28 3206 }
e315cd28 3207}
f999f4c1 3208
e315cd28
AC		 3209/* Relogins all the fcports of a vport
3210 * Context: dpc thread
3211 */
3212void qla2x00_relogin(struct scsi_qla_host *vha)
3213{
3214 fc_port_t *fcport;
c6b2fca8 3215 int status;
e315cd28
AC		 3216 uint16_t next_loopid = 0;
3217 struct qla_hw_data *ha = vha->hw;
ac280b67 3218 uint16_t data[2];
e315cd28
AC		 3219
3220 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3221 /*
3222 * If the port is not ONLINE then try to login
3223 * to it if we haven't run out of retries.
3224 */
5ff1d584
AV		 3225 if (atomic_read(&fcport->state) != FCS_ONLINE &&
3226 fcport->login_retry && !(fcport->flags & FCF_ASYNC_SENT)) {
ac280b67 3227 fcport->login_retry--;
e315cd28 3228 if (fcport->flags & FCF_FABRIC_DEVICE) {
f08b7251 3229 if (fcport->flags & FCF_FCP2_DEVICE)
e315cd28
AC		 3230 ha->isp_ops->fabric_logout(vha,
3231 fcport->loop_id,
3232 fcport->d_id.b.domain,
3233 fcport->d_id.b.area,
3234 fcport->d_id.b.al_pa);
3235
03bcfb57
JC		 3236 if (fcport->loop_id == FC_NO_LOOP_ID) {
3237 fcport->loop_id = next_loopid =
3238 ha->min_external_loopid;
3239 status = qla2x00_find_new_loop_id(
3240 vha, fcport);
3241 if (status != QLA_SUCCESS) {
3242 /* Ran out of IDs to use */
3243 break;
3244 }
3245 }
3246
ac280b67 3247 if (IS_ALOGIO_CAPABLE(ha)) {
5ff1d584 3248 fcport->flags |= FCF_ASYNC_SENT;
ac280b67
AV		 3249 data[0] = 0;
3250 data[1] = QLA_LOGIO_LOGIN_RETRIED;
3251 status = qla2x00_post_async_login_work(
3252 vha, fcport, data);
3253 if (status == QLA_SUCCESS)
3254 continue;
3255 /* Attempt a retry. */
3256 status = 1;
3257 } else
3258 status = qla2x00_fabric_login(vha,
3259 fcport, &next_loopid);
e315cd28
AC		 3260 } else
3261 status = qla2x00_local_device_login(vha,
3262 fcport);
3263
e315cd28
AC		 3264 if (status == QLA_SUCCESS) {
3265 fcport->old_loop_id = fcport->loop_id;
3266
3267 DEBUG(printk("scsi(%ld): port login OK: logged "
3268 "in ID 0x%x\n", vha->host_no, fcport->loop_id));
3269
3270 qla2x00_update_fcport(vha, fcport);
3271
3272 } else if (status == 1) {
3273 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
3274 /* retry the login again */
3275 DEBUG(printk("scsi(%ld): Retrying"
3276 " %d login again loop_id 0x%x\n",
3277 vha->host_no, fcport->login_retry,
3278 fcport->loop_id));
3279 } else {
3280 fcport->login_retry = 0;
3281 }
3282
3283 if (fcport->login_retry == 0 && status != QLA_SUCCESS)
3284 fcport->loop_id = FC_NO_LOOP_ID;
3285 }
3286 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3287 break;
0971de7f 3288 }
0971de7f
AV		 3289}
3290
1da177e4
LT		 3291/**************************************************************************
3292* qla2x00_do_dpc
3293* This kernel thread is a task that is schedule by the interrupt handler
3294* to perform the background processing for interrupts.
3295*
3296* Notes:
3297* This task always run in the context of a kernel thread. It
3298* is kick-off by the driver's detect code and starts up
3299* up one per adapter. It immediately goes to sleep and waits for
3300* some fibre event. When either the interrupt handler or
3301* the timer routine detects a event it will one of the task
3302* bits then wake us up.
3303**************************************************************************/
3304static int
3305qla2x00_do_dpc(void *data)
3306{
2c3dfe3f 3307 int rval;
e315cd28
AC		 3308 scsi_qla_host_t *base_vha;
3309 struct qla_hw_data *ha;
1da177e4 3310
e315cd28
AC		 3311 ha = (struct qla_hw_data *)data;
3312 base_vha = pci_get_drvdata(ha->pdev);
1da177e4 3313
1da177e4
LT		 3314 set_user_nice(current, -20);
3315
563585ec 3316 set_current_state(TASK_INTERRUPTIBLE);
39a11240 3317 while (!kthread_should_stop()) {
1da177e4
LT		 3318 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
3319
39a11240
CH		 3320 schedule();
3321 __set_current_state(TASK_RUNNING);
1da177e4
LT		 3322
3323 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
3324
3325 /* Initialization not yet finished. Don't do anything yet. */
e315cd28 3326 if (!base_vha->flags.init_done)
1da177e4
LT		 3327 continue;
3328
85880801
AV		 3329 if (ha->flags.eeh_busy) {
3330 DEBUG17(qla_printk(KERN_WARNING, ha,
3331 "qla2x00_do_dpc: dpc_flags: %lx\n",
3332 base_vha->dpc_flags));
3333 continue;
3334 }
3335
e315cd28 3336 DEBUG3(printk("scsi(%ld): DPC handler\n", base_vha->host_no));
1da177e4
LT		 3337
3338 ha->dpc_active = 1;
3339
1da177e4 3340 if (ha->flags.mbox_busy) {
1da177e4
LT		 3341 ha->dpc_active = 0;
3342 continue;
3343 }
3344
e315cd28 3345 qla2x00_do_work(base_vha);
0971de7f 3346
a9083016
GM		 3347 if (IS_QLA82XX(ha)) {
3348 if (test_and_clear_bit(ISP_UNRECOVERABLE,
3349 &base_vha->dpc_flags)) {
3350 qla82xx_idc_lock(ha);
3351 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3352 QLA82XX_DEV_FAILED);
3353 qla82xx_idc_unlock(ha);
3354 qla_printk(KERN_INFO, ha,
3355 "HW State: FAILED\n");
3356 qla82xx_device_state_handler(base_vha);
3357 continue;
3358 }
3359
3360 if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED,
3361 &base_vha->dpc_flags)) {
3362
3363 DEBUG(printk(KERN_INFO
3364 "scsi(%ld): dpc: sched "
3365 "qla82xx_fcoe_ctx_reset ha = %p\n",
3366 base_vha->host_no, ha));
3367 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
3368 &base_vha->dpc_flags))) {
3369 if (qla82xx_fcoe_ctx_reset(base_vha)) {
3370 /* FCoE-ctx reset failed.
3371 * Escalate to chip-reset
3372 */
3373 set_bit(ISP_ABORT_NEEDED,
3374 &base_vha->dpc_flags);
3375 }
3376 clear_bit(ABORT_ISP_ACTIVE,
3377 &base_vha->dpc_flags);
3378 }
3379
3380 DEBUG(printk("scsi(%ld): dpc:"
3381 " qla82xx_fcoe_ctx_reset end\n",
3382 base_vha->host_no));
3383 }
3384 }
3385
e315cd28
AC		 3386 if (test_and_clear_bit(ISP_ABORT_NEEDED,
3387 &base_vha->dpc_flags)) {
1da177e4
LT		 3388
3389 DEBUG(printk("scsi(%ld): dpc: sched "
3390 "qla2x00_abort_isp ha = %p\n",
e315cd28 3391 base_vha->host_no, ha));
1da177e4 3392 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
e315cd28 3393 &base_vha->dpc_flags))) {
1da177e4 3394
a9083016 3395 if (ha->isp_ops->abort_isp(base_vha)) {
1da177e4
LT		 3396 /* failed. retry later */
3397 set_bit(ISP_ABORT_NEEDED,
e315cd28 3398 &base_vha->dpc_flags);
99363ef8 3399 }
e315cd28
AC		 3400 clear_bit(ABORT_ISP_ACTIVE,
3401 &base_vha->dpc_flags);
99363ef8
SJ		 3402 }
3403
1da177e4 3404 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
e315cd28 3405 base_vha->host_no));
1da177e4
LT		 3406 }
3407
e315cd28
AC		 3408 if (test_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags)) {
3409 qla2x00_update_fcports(base_vha);
3410 clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
c9c5ced9 3411 }
d97994dc 3412
579d12b5
SK		 3413 if (test_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags)) {
3414 DEBUG(printk(KERN_INFO "scsi(%ld): dpc: sched "
3415 "qla2x00_quiesce_needed ha = %p\n",
3416 base_vha->host_no, ha));
3417 qla82xx_device_state_handler(base_vha);
3418 clear_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags);
3419 if (!ha->flags.quiesce_owner) {
3420 qla2x00_perform_loop_resync(base_vha);
3421
3422 qla82xx_idc_lock(ha);
3423 qla82xx_clear_qsnt_ready(base_vha);
3424 qla82xx_idc_unlock(ha);
3425 }
3426 }
3427
e315cd28
AC		 3428 if (test_and_clear_bit(RESET_MARKER_NEEDED,
3429 &base_vha->dpc_flags) &&
3430 (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
1da177e4
LT		 3431
3432 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
e315cd28 3433 base_vha->host_no));
1da177e4 3434
e315cd28
AC		 3435 qla2x00_rst_aen(base_vha);
3436 clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
1da177e4
LT		 3437 }
3438
3439 /* Retry each device up to login retry count */
e315cd28
AC		 3440 if ((test_and_clear_bit(RELOGIN_NEEDED,
3441 &base_vha->dpc_flags)) &&
3442 !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
3443 atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
1da177e4
LT		 3444
3445 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
e315cd28
AC		 3446 base_vha->host_no));
3447 qla2x00_relogin(base_vha);
3448
1da177e4 3449 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
e315cd28 3450 base_vha->host_no));
1da177e4
LT		 3451 }
3452
e315cd28
AC		 3453 if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
3454 &base_vha->dpc_flags)) {
1da177e4
LT		 3455
3456 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
e315cd28 3457 base_vha->host_no));
1da177e4
LT		 3458
3459 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
e315cd28 3460 &base_vha->dpc_flags))) {
1da177e4 3461
e315cd28 3462 rval = qla2x00_loop_resync(base_vha);
1da177e4 3463
e315cd28
AC		 3464 clear_bit(LOOP_RESYNC_ACTIVE,
3465 &base_vha->dpc_flags);
1da177e4
LT		 3466 }
3467
3468 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
e315cd28 3469 base_vha->host_no));
1da177e4
LT		 3470 }
3471
e315cd28
AC		 3472 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
3473 atomic_read(&base_vha->loop_state) == LOOP_READY) {
3474 clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
3475 qla2xxx_flash_npiv_conf(base_vha);
272976ca
AV		 3476 }
3477
1da177e4 3478 if (!ha->interrupts_on)
fd34f556 3479 ha->isp_ops->enable_intrs(ha);
1da177e4 3480
e315cd28
AC		 3481 if (test_and_clear_bit(BEACON_BLINK_NEEDED,
3482 &base_vha->dpc_flags))
3483 ha->isp_ops->beacon_blink(base_vha);
f6df144c 3484
e315cd28 3485 qla2x00_do_dpc_all_vps(base_vha);
2c3dfe3f 3486
1da177e4 3487 ha->dpc_active = 0;
563585ec 3488 set_current_state(TASK_INTERRUPTIBLE);
1da177e4 3489 } /* End of while(1) */
563585ec 3490 __set_current_state(TASK_RUNNING);
1da177e4 3491
e315cd28 3492 DEBUG(printk("scsi(%ld): DPC handler exiting\n", base_vha->host_no));
1da177e4
LT		 3493
3494 /*
3495 * Make sure that nobody tries to wake us up again.
3496 */
1da177e4
LT		 3497 ha->dpc_active = 0;
3498
ac280b67
AV		 3499 /* Cleanup any residual CTX SRBs. */
3500 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
3501
39a11240
CH		 3502 return 0;
3503}
3504
3505void
e315cd28 3506qla2xxx_wake_dpc(struct scsi_qla_host *vha)
39a11240 3507{
e315cd28 3508 struct qla_hw_data *ha = vha->hw;
c795c1e4
AV		 3509 struct task_struct *t = ha->dpc_thread;
3510
e315cd28 3511 if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
c795c1e4 3512 wake_up_process(t);
1da177e4
LT		 3513}
3514
1da177e4
LT		 3515/*
3516* qla2x00_rst_aen
3517* Processes asynchronous reset.
3518*
3519* Input:
3520* ha = adapter block pointer.
3521*/
3522static void
e315cd28 3523qla2x00_rst_aen(scsi_qla_host_t *vha)
1da177e4 3524{
e315cd28
AC		 3525 if (vha->flags.online && !vha->flags.reset_active &&
3526 !atomic_read(&vha->loop_down_timer) &&
3527 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
1da177e4 3528 do {
e315cd28 3529 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
1da177e4
LT		 3530
3531 /*
3532 * Issue marker command only when we are going to start
3533 * the I/O.
3534 */
e315cd28
AC		 3535 vha->marker_needed = 1;
3536 } while (!atomic_read(&vha->loop_down_timer) &&
3537 (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
1da177e4
LT		 3538 }
3539}
3540
f4f051eb 3541static void
e315cd28 3542qla2x00_sp_free_dma(srb_t *sp)
f4f051eb
AV		 3543{
3544 struct scsi_cmnd *cmd = sp->cmd;
bad75002 3545 struct qla_hw_data *ha = sp->fcport->vha->hw;
f4f051eb
AV		 3546
3547 if (sp->flags & SRB_DMA_VALID) {
385d70b4 3548 scsi_dma_unmap(cmd);
f4f051eb
AV		 3549 sp->flags &= ~SRB_DMA_VALID;
3550 }
bad75002
AE		 3551
3552 if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
3553 dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
3554 scsi_prot_sg_count(cmd), cmd->sc_data_direction);
3555 sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
3556 }
3557
3558 if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
3559 /* List assured to be having elements */
3560 qla2x00_clean_dsd_pool(ha, sp);
3561 sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
3562 }
3563
3564 if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
3565 dma_pool_free(ha->dl_dma_pool, sp->ctx,
3566 ((struct crc_context *)sp->ctx)->crc_ctx_dma);
3567 sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
3568 }
3569
fca29703 3570 CMD_SP(cmd) = NULL;
f4f051eb
AV		 3571}
3572
3dbe756a 3573static void
083a469d 3574qla2x00_sp_final_compl(struct qla_hw_data *ha, srb_t *sp)
f4f051eb
AV		 3575{
3576 struct scsi_cmnd *cmd = sp->cmd;
3577
e315cd28 3578 qla2x00_sp_free_dma(sp);
f4f051eb 3579
a9083016
GM		 3580 if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
3581 struct ct6_dsd *ctx = sp->ctx;
3582 dma_pool_free(ha->fcp_cmnd_dma_pool, ctx->fcp_cmnd,
3583 ctx->fcp_cmnd_dma);
3584 list_splice(&ctx->dsd_list, &ha->gbl_dsd_list);
3585 ha->gbl_dsd_inuse -= ctx->dsd_use_cnt;
3586 ha->gbl_dsd_avail += ctx->dsd_use_cnt;
3587 mempool_free(sp->ctx, ha->ctx_mempool);
3588 sp->ctx = NULL;
3589 }
f4f051eb 3590
a9083016 3591 mempool_free(sp, ha->srb_mempool);
f4f051eb
AV		 3592 cmd->scsi_done(cmd);
3593}
bdf79621 3594
083a469d
GM		 3595void
3596qla2x00_sp_compl(struct qla_hw_data *ha, srb_t *sp)
3597{
3598 if (atomic_read(&sp->ref_count) == 0) {
3599 DEBUG2(qla_printk(KERN_WARNING, ha,
3600 "SP reference-count to ZERO -- sp=%p\n", sp));
3601 DEBUG2(BUG());
3602 return;
3603 }
3604 if (!atomic_dec_and_test(&sp->ref_count))
3605 return;
3606 qla2x00_sp_final_compl(ha, sp);
3607}
3608
1da177e4
LT		 3609/**************************************************************************
3610* qla2x00_timer
3611*
3612* Description:
3613* One second timer
3614*
3615* Context: Interrupt
3616***************************************************************************/
2c3dfe3f 3617void
e315cd28 3618qla2x00_timer(scsi_qla_host_t *vha)
1da177e4 3619{
1da177e4 3620 unsigned long cpu_flags = 0;
1da177e4
LT		 3621 int start_dpc = 0;
3622 int index;
3623 srb_t *sp;
85880801 3624 uint16_t w;
e315cd28 3625 struct qla_hw_data *ha = vha->hw;
73208dfd 3626 struct req_que *req;
85880801 3627
a5b36321
LC		 3628 if (ha->flags.eeh_busy) {
3629 qla2x00_restart_timer(vha, WATCH_INTERVAL);
3630 return;
3631 }
3632
85880801
AV		 3633 /* Hardware read to raise pending EEH errors during mailbox waits. */
3634 if (!pci_channel_offline(ha->pdev))
3635 pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
1da177e4 3636
cefcaba6
SK		 3637 /* Make sure qla82xx_watchdog is run only for physical port */
3638 if (!vha->vp_idx && IS_QLA82XX(ha)) {
579d12b5
SK		 3639 if (test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags))
3640 start_dpc++;
3641 qla82xx_watchdog(vha);
3642 }
3643
1da177e4 3644 /* Loop down handler. */
e315cd28 3645 if (atomic_read(&vha->loop_down_timer) > 0 &&
8f7daead
GM		 3646 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) &&
3647 !(test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags))
e315cd28 3648 && vha->flags.online) {
1da177e4 3649
e315cd28
AC		 3650 if (atomic_read(&vha->loop_down_timer) ==
3651 vha->loop_down_abort_time) {
1da177e4
LT		 3652
3653 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
3654 "queues before time expire\n",
e315cd28 3655 vha->host_no));
1da177e4 3656
e315cd28
AC		 3657 if (!IS_QLA2100(ha) && vha->link_down_timeout)
3658 atomic_set(&vha->loop_state, LOOP_DEAD);
1da177e4 3659
f08b7251
AV		 3660 /*
3661 * Schedule an ISP abort to return any FCP2-device
3662 * commands.
3663 */
2c3dfe3f 3664 /* NPIV - scan physical port only */
e315cd28 3665 if (!vha->vp_idx) {
2c3dfe3f
SJ		 3666 spin_lock_irqsave(&ha->hardware_lock,
3667 cpu_flags);
73208dfd 3668 req = ha->req_q_map[0];
2c3dfe3f
SJ		 3669 for (index = 1;
3670 index < MAX_OUTSTANDING_COMMANDS;
3671 index++) {
3672 fc_port_t *sfcp;
3673
e315cd28 3674 sp = req->outstanding_cmds[index];
2c3dfe3f
SJ		 3675 if (!sp)
3676 continue;
bad75002 3677 if (sp->ctx && !IS_PROT_IO(sp))
cf53b069 3678 continue;
2c3dfe3f 3679 sfcp = sp->fcport;
f08b7251 3680 if (!(sfcp->flags & FCF_FCP2_DEVICE))
2c3dfe3f 3681 continue;
bdf79621 3682
8f7daead
GM		 3683 if (IS_QLA82XX(ha))
3684 set_bit(FCOE_CTX_RESET_NEEDED,
3685 &vha->dpc_flags);
3686 else
3687 set_bit(ISP_ABORT_NEEDED,
e315cd28 3688 &vha->dpc_flags);
2c3dfe3f
SJ		 3689 break;
3690 }
3691 spin_unlock_irqrestore(&ha->hardware_lock,
e315cd28 3692 cpu_flags);
1da177e4 3693 }
1da177e4
LT		 3694 start_dpc++;
3695 }
3696
3697 /* if the loop has been down for 4 minutes, reinit adapter */
e315cd28 3698 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
0d6e61bc 3699 if (!(vha->device_flags & DFLG_NO_CABLE)) {
1da177e4
LT		 3700 DEBUG(printk("scsi(%ld): Loop down - "
3701 "aborting ISP.\n",
e315cd28 3702 vha->host_no));
1da177e4
LT		 3703 qla_printk(KERN_WARNING, ha,
3704 "Loop down - aborting ISP.\n");
3705
8f7daead
GM		 3706 if (IS_QLA82XX(ha))
3707 set_bit(FCOE_CTX_RESET_NEEDED,
3708 &vha->dpc_flags);
3709 else
3710 set_bit(ISP_ABORT_NEEDED,
3711 &vha->dpc_flags);
1da177e4
LT		 3712 }
3713 }
fca29703 3714 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
e315cd28
AC		 3715 vha->host_no,
3716 atomic_read(&vha->loop_down_timer)));
1da177e4
LT		 3717 }
3718
cefcaba6
SK		 3719 /* Check if beacon LED needs to be blinked for physical host only */
3720 if (!vha->vp_idx && (ha->beacon_blink_led == 1)) {
e315cd28 3721 set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
f6df144c
AV		 3722 start_dpc++;
3723 }
3724
550bf57d 3725 /* Process any deferred work. */
e315cd28 3726 if (!list_empty(&vha->work_list))
550bf57d
AV		 3727 start_dpc++;
3728
1da177e4 3729 /* Schedule the DPC routine if needed */
e315cd28
AC		 3730 if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
3731 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
3732 test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
1da177e4 3733 start_dpc ||
e315cd28
AC		 3734 test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
3735 test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
a9083016
GM		 3736 test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) ||
3737 test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
e315cd28
AC		 3738 test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
3739 test_bit(RELOGIN_NEEDED, &vha->dpc_flags)))
3740 qla2xxx_wake_dpc(vha);
1da177e4 3741
e315cd28 3742 qla2x00_restart_timer(vha, WATCH_INTERVAL);
1da177e4
LT		 3743}
3744
5433383e
AV		 3745/* Firmware interface routines. */
3746
a9083016 3747#define FW_BLOBS 8
5433383e
AV		 3748#define FW_ISP21XX 0
3749#define FW_ISP22XX 1
3750#define FW_ISP2300 2
3751#define FW_ISP2322 3
48c02fde 3752#define FW_ISP24XX 4
c3a2f0df 3753#define FW_ISP25XX 5
3a03eb79 3754#define FW_ISP81XX 6
a9083016 3755#define FW_ISP82XX 7
5433383e 3756
bb8ee499
AV		 3757#define FW_FILE_ISP21XX "ql2100_fw.bin"
3758#define FW_FILE_ISP22XX "ql2200_fw.bin"
3759#define FW_FILE_ISP2300 "ql2300_fw.bin"
3760#define FW_FILE_ISP2322 "ql2322_fw.bin"
3761#define FW_FILE_ISP24XX "ql2400_fw.bin"
c3a2f0df 3762#define FW_FILE_ISP25XX "ql2500_fw.bin"
3a03eb79 3763#define FW_FILE_ISP81XX "ql8100_fw.bin"
a9083016 3764#define FW_FILE_ISP82XX "ql8200_fw.bin"
bb8ee499 3765
e1e82b6f 3766static DEFINE_MUTEX(qla_fw_lock);
5433383e
AV		 3767
3768static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
bb8ee499
AV		 3769 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
3770 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
3771 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
3772 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
3773 { .name = FW_FILE_ISP24XX, },
c3a2f0df 3774 { .name = FW_FILE_ISP25XX, },
3a03eb79 3775 { .name = FW_FILE_ISP81XX, },
a9083016 3776 { .name = FW_FILE_ISP82XX, },
5433383e
AV		 3777};
3778
3779struct fw_blob *
e315cd28 3780qla2x00_request_firmware(scsi_qla_host_t *vha)
5433383e 3781{
e315cd28 3782 struct qla_hw_data *ha = vha->hw;
5433383e
AV		 3783 struct fw_blob *blob;
3784
3785 blob = NULL;
3786 if (IS_QLA2100(ha)) {
3787 blob = &qla_fw_blobs[FW_ISP21XX];
3788 } else if (IS_QLA2200(ha)) {
3789 blob = &qla_fw_blobs[FW_ISP22XX];
48c02fde 3790 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
5433383e 3791 blob = &qla_fw_blobs[FW_ISP2300];
48c02fde 3792 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
5433383e 3793 blob = &qla_fw_blobs[FW_ISP2322];
4d4df193 3794 } else if (IS_QLA24XX_TYPE(ha)) {
5433383e 3795 blob = &qla_fw_blobs[FW_ISP24XX];
c3a2f0df
AV		 3796 } else if (IS_QLA25XX(ha)) {
3797 blob = &qla_fw_blobs[FW_ISP25XX];
3a03eb79
AV		 3798 } else if (IS_QLA81XX(ha)) {
3799 blob = &qla_fw_blobs[FW_ISP81XX];
a9083016
GM		 3800 } else if (IS_QLA82XX(ha)) {
3801 blob = &qla_fw_blobs[FW_ISP82XX];
5433383e
AV		 3802 }
3803
e1e82b6f 3804 mutex_lock(&qla_fw_lock);
5433383e
AV		 3805 if (blob->fw)
3806 goto out;
3807
3808 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
3809 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
e315cd28 3810 "(%s).\n", vha->host_no, blob->name));
5433383e
AV		 3811 blob->fw = NULL;
3812 blob = NULL;
3813 goto out;
3814 }
3815
3816out:
e1e82b6f 3817 mutex_unlock(&qla_fw_lock);
5433383e
AV		 3818 return blob;
3819}
3820
3821static void
3822qla2x00_release_firmware(void)
3823{
3824 int idx;
3825
e1e82b6f 3826 mutex_lock(&qla_fw_lock);
5433383e
AV		 3827 for (idx = 0; idx < FW_BLOBS; idx++)
3828 if (qla_fw_blobs[idx].fw)
3829 release_firmware(qla_fw_blobs[idx].fw);
e1e82b6f 3830 mutex_unlock(&qla_fw_lock);
5433383e
AV		 3831}
3832
14e660e6
SJ		 3833static pci_ers_result_t
3834qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
3835{
85880801
AV		 3836 scsi_qla_host_t *vha = pci_get_drvdata(pdev);
3837 struct qla_hw_data *ha = vha->hw;
3838
3839 DEBUG2(qla_printk(KERN_WARNING, ha, "error_detected:state %x\n",
3840 state));
b9b12f73 3841
14e660e6
SJ		 3842 switch (state) {
3843 case pci_channel_io_normal:
85880801 3844 ha->flags.eeh_busy = 0;
14e660e6
SJ		 3845 return PCI_ERS_RESULT_CAN_RECOVER;
3846 case pci_channel_io_frozen:
85880801 3847 ha->flags.eeh_busy = 1;
a5b36321
LC		 3848 /* For ISP82XX complete any pending mailbox cmd */
3849 if (IS_QLA82XX(ha)) {
7190575f 3850 ha->flags.isp82xx_fw_hung = 1;
a5b36321
LC		 3851 if (ha->flags.mbox_busy) {
3852 ha->flags.mbox_int = 1;
3853 DEBUG2(qla_printk(KERN_ERR, ha,
3854 "Due to pci channel io frozen, doing premature "
3855 "completion of mbx command\n"));
3856 complete(&ha->mbx_intr_comp);
3857 }
3858 }
90a86fc0 3859 qla2x00_free_irqs(vha);
14e660e6 3860 pci_disable_device(pdev);
bddd2d65
LC		 3861 /* Return back all IOs */
3862 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
14e660e6
SJ		 3863 return PCI_ERS_RESULT_NEED_RESET;
3864 case pci_channel_io_perm_failure:
85880801
AV		 3865 ha->flags.pci_channel_io_perm_failure = 1;
3866 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
14e660e6
SJ		 3867 return PCI_ERS_RESULT_DISCONNECT;
3868 }
3869 return PCI_ERS_RESULT_NEED_RESET;
3870}
3871
3872static pci_ers_result_t
3873qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
3874{
3875 int risc_paused = 0;
3876 uint32_t stat;
3877 unsigned long flags;
e315cd28
AC		 3878 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3879 struct qla_hw_data *ha = base_vha->hw;
14e660e6
SJ		 3880 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3881 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
3882
bcc5b6d3
SK		 3883 if (IS_QLA82XX(ha))
3884 return PCI_ERS_RESULT_RECOVERED;
3885
14e660e6
SJ		 3886 spin_lock_irqsave(&ha->hardware_lock, flags);
3887 if (IS_QLA2100(ha) || IS_QLA2200(ha)){
3888 stat = RD_REG_DWORD(&reg->hccr);
3889 if (stat & HCCR_RISC_PAUSE)
3890 risc_paused = 1;
3891 } else if (IS_QLA23XX(ha)) {
3892 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
3893 if (stat & HSR_RISC_PAUSED)
3894 risc_paused = 1;
3895 } else if (IS_FWI2_CAPABLE(ha)) {
3896 stat = RD_REG_DWORD(&reg24->host_status);
3897 if (stat & HSRX_RISC_PAUSED)
3898 risc_paused = 1;
3899 }
3900 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3901
3902 if (risc_paused) {
3903 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
3904 "Dumping firmware!\n");
e315cd28 3905 ha->isp_ops->fw_dump(base_vha, 0);
14e660e6
SJ		 3906
3907 return PCI_ERS_RESULT_NEED_RESET;
3908 } else
3909 return PCI_ERS_RESULT_RECOVERED;
3910}
3911
a5b36321
LC		 3912uint32_t qla82xx_error_recovery(scsi_qla_host_t *base_vha)
3913{
3914 uint32_t rval = QLA_FUNCTION_FAILED;
3915 uint32_t drv_active = 0;
3916 struct qla_hw_data *ha = base_vha->hw;
3917 int fn;
3918 struct pci_dev *other_pdev = NULL;
3919
3920 DEBUG17(qla_printk(KERN_INFO, ha,
3921 "scsi(%ld): In qla82xx_error_recovery\n", base_vha->host_no));
3922
3923 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3924
3925 if (base_vha->flags.online) {
3926 /* Abort all outstanding commands,
3927 * so as to be requeued later */
3928 qla2x00_abort_isp_cleanup(base_vha);
3929 }
3930
3931
3932 fn = PCI_FUNC(ha->pdev->devfn);
3933 while (fn > 0) {
3934 fn--;
3935 DEBUG17(qla_printk(KERN_INFO, ha,
3936 "Finding pci device at function = 0x%x\n", fn));
3937 other_pdev =
3938 pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus),
3939 ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn),
3940 fn));
3941
3942 if (!other_pdev)
3943 continue;
3944 if (atomic_read(&other_pdev->enable_cnt)) {
3945 DEBUG17(qla_printk(KERN_INFO, ha,
25985edc 3946 "Found PCI func available and enabled at 0x%x\n",
a5b36321
LC		 3947 fn));
3948 pci_dev_put(other_pdev);
3949 break;
3950 }
3951 pci_dev_put(other_pdev);
3952 }
3953
3954 if (!fn) {
3955 /* Reset owner */
3956 DEBUG17(qla_printk(KERN_INFO, ha,
3957 "This devfn is reset owner = 0x%x\n", ha->pdev->devfn));
3958 qla82xx_idc_lock(ha);
3959
3960 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3961 QLA82XX_DEV_INITIALIZING);
3962
3963 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_IDC_VERSION,
3964 QLA82XX_IDC_VERSION);
3965
3966 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
3967 DEBUG17(qla_printk(KERN_INFO, ha,
3968 "drv_active = 0x%x\n", drv_active));
3969
3970 qla82xx_idc_unlock(ha);
3971 /* Reset if device is not already reset
3972 * drv_active would be 0 if a reset has already been done
3973 */
3974 if (drv_active)
3975 rval = qla82xx_start_firmware(base_vha);
3976 else
3977 rval = QLA_SUCCESS;
3978 qla82xx_idc_lock(ha);
3979
3980 if (rval != QLA_SUCCESS) {
3981 qla_printk(KERN_INFO, ha, "HW State: FAILED\n");
3982 qla82xx_clear_drv_active(ha);
3983 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3984 QLA82XX_DEV_FAILED);
3985 } else {
3986 qla_printk(KERN_INFO, ha, "HW State: READY\n");
3987 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3988 QLA82XX_DEV_READY);
3989 qla82xx_idc_unlock(ha);
7190575f 3990 ha->flags.isp82xx_fw_hung = 0;
a5b36321
LC		 3991 rval = qla82xx_restart_isp(base_vha);
3992 qla82xx_idc_lock(ha);
3993 /* Clear driver state register */
3994 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, 0);
3995 qla82xx_set_drv_active(base_vha);
3996 }
3997 qla82xx_idc_unlock(ha);
3998 } else {
3999 DEBUG17(qla_printk(KERN_INFO, ha,
4000 "This devfn is not reset owner = 0x%x\n", ha->pdev->devfn));
4001 if ((qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE) ==
4002 QLA82XX_DEV_READY)) {
7190575f 4003 ha->flags.isp82xx_fw_hung = 0;
a5b36321
LC		 4004 rval = qla82xx_restart_isp(base_vha);
4005 qla82xx_idc_lock(ha);
4006 qla82xx_set_drv_active(base_vha);
4007 qla82xx_idc_unlock(ha);
4008 }
4009 }
4010 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
4011
4012 return rval;
4013}
4014
14e660e6
SJ		 4015static pci_ers_result_t
4016qla2xxx_pci_slot_reset(struct pci_dev *pdev)
4017{
4018 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
e315cd28
AC		 4019 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
4020 struct qla_hw_data *ha = base_vha->hw;
90a86fc0
JC		 4021 struct rsp_que *rsp;
4022 int rc, retries = 10;
09483916 4023
85880801
AV		 4024 DEBUG17(qla_printk(KERN_WARNING, ha, "slot_reset\n"));
4025
90a86fc0
JC		 4026 /* Workaround: qla2xxx driver which access hardware earlier
4027 * needs error state to be pci_channel_io_online.
4028 * Otherwise mailbox command timesout.
4029 */
4030 pdev->error_state = pci_channel_io_normal;
4031
4032 pci_restore_state(pdev);
4033
8c1496bd
RL		 4034 /* pci_restore_state() clears the saved_state flag of the device
4035 * save restored state which resets saved_state flag
4036 */
4037 pci_save_state(pdev);
4038
09483916
BH		 4039 if (ha->mem_only)
4040 rc = pci_enable_device_mem(pdev);
4041 else
4042 rc = pci_enable_device(pdev);
14e660e6 4043
09483916 4044 if (rc) {
14e660e6
SJ		 4045 qla_printk(KERN_WARNING, ha,
4046 "Can't re-enable PCI device after reset.\n");
a5b36321 4047 goto exit_slot_reset;
14e660e6 4048 }
14e660e6 4049
90a86fc0
JC		 4050 rsp = ha->rsp_q_map[0];
4051 if (qla2x00_request_irqs(ha, rsp))
a5b36321 4052 goto exit_slot_reset;
90a86fc0 4053
e315cd28 4054 if (ha->isp_ops->pci_config(base_vha))
a5b36321
LC		 4055 goto exit_slot_reset;
4056
4057 if (IS_QLA82XX(ha)) {
4058 if (qla82xx_error_recovery(base_vha) == QLA_SUCCESS) {
4059 ret = PCI_ERS_RESULT_RECOVERED;
4060 goto exit_slot_reset;
4061 } else
4062 goto exit_slot_reset;
4063 }
14e660e6 4064
90a86fc0
JC		 4065 while (ha->flags.mbox_busy && retries--)
4066 msleep(1000);
85880801 4067
e315cd28 4068 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
a9083016 4069 if (ha->isp_ops->abort_isp(base_vha) == QLA_SUCCESS)
14e660e6 4070 ret = PCI_ERS_RESULT_RECOVERED;
e315cd28 4071 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
14e660e6 4072
90a86fc0 4073
a5b36321 4074exit_slot_reset:
85880801
AV		 4075 DEBUG17(qla_printk(KERN_WARNING, ha,
4076 "slot_reset-return:ret=%x\n", ret));
4077
14e660e6
SJ		 4078 return ret;
4079}
4080
4081static void
4082qla2xxx_pci_resume(struct pci_dev *pdev)
4083{
e315cd28
AC		 4084 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
4085 struct qla_hw_data *ha = base_vha->hw;
14e660e6
SJ		 4086 int ret;
4087
85880801
AV		 4088 DEBUG17(qla_printk(KERN_WARNING, ha, "pci_resume\n"));
4089
e315cd28 4090 ret = qla2x00_wait_for_hba_online(base_vha);
14e660e6
SJ		 4091 if (ret != QLA_SUCCESS) {
4092 qla_printk(KERN_ERR, ha,
4093 "the device failed to resume I/O "
4094 "from slot/link_reset");
4095 }
85880801 4096
3e46f031
LC		 4097 pci_cleanup_aer_uncorrect_error_status(pdev);
4098
85880801 4099 ha->flags.eeh_busy = 0;
14e660e6
SJ		 4100}
4101
4102static struct pci_error_handlers qla2xxx_err_handler = {
4103 .error_detected = qla2xxx_pci_error_detected,
4104 .mmio_enabled = qla2xxx_pci_mmio_enabled,
4105 .slot_reset = qla2xxx_pci_slot_reset,
4106 .resume = qla2xxx_pci_resume,
4107};
4108
5433383e 4109static struct pci_device_id qla2xxx_pci_tbl[] = {
47f5e069
AV		 4110 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
4111 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
4112 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
4113 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
4114 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
4115 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
4116 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
4117 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
4118 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
4d4df193 4119 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
47f5e069
AV		 4120 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
4121 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
c3a2f0df 4122 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
3a03eb79 4123 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
a9083016 4124 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) },
5433383e
AV		 4125 { 0 },
4126};
4127MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
4128
fca29703 4129static struct pci_driver qla2xxx_pci_driver = {
cb63067a 4130 .name = QLA2XXX_DRIVER_NAME,
0a21ef1e
JB		 4131 .driver = {
4132 .owner = THIS_MODULE,
4133 },
fca29703 4134 .id_table = qla2xxx_pci_tbl,
7ee61397 4135 .probe = qla2x00_probe_one,
4c993f76 4136 .remove = qla2x00_remove_one,
e30d1756 4137 .shutdown = qla2x00_shutdown,
14e660e6 4138 .err_handler = &qla2xxx_err_handler,
fca29703
AV		 4139};
4140
6a03b4cd
HZ		 4141static struct file_operations apidev_fops = {
4142 .owner = THIS_MODULE,
6038f373 4143 .llseek = noop_llseek,
6a03b4cd
HZ		 4144};
4145
1da177e4
LT		 4146/**
4147 * qla2x00_module_init - Module initialization.
4148 **/
4149static int __init
4150qla2x00_module_init(void)
4151{
fca29703
AV		 4152 int ret = 0;
4153
1da177e4 4154 /* Allocate cache for SRBs. */
354d6b21 4155 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
20c2df83 4156 SLAB_HWCACHE_ALIGN, NULL);
1da177e4
LT		 4157 if (srb_cachep == NULL) {
4158 printk(KERN_ERR
4159 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
4160 return -ENOMEM;
4161 }
4162
4163 /* Derive version string. */
4164 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
11010fec 4165 if (ql2xextended_error_logging)
0181944f
AV		 4166 strcat(qla2x00_version_str, "-debug");
4167
1c97a12a
AV		 4168 qla2xxx_transport_template =
4169 fc_attach_transport(&qla2xxx_transport_functions);
2c3dfe3f
SJ		 4170 if (!qla2xxx_transport_template) {
4171 kmem_cache_destroy(srb_cachep);
1da177e4 4172 return -ENODEV;
2c3dfe3f 4173 }
6a03b4cd
HZ		 4174
4175 apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops);
4176 if (apidev_major < 0) {
4177 printk(KERN_WARNING "qla2xxx: Unable to register char device "
4178 "%s\n", QLA2XXX_APIDEV);
4179 }
4180
2c3dfe3f
SJ		 4181 qla2xxx_transport_vport_template =
4182 fc_attach_transport(&qla2xxx_transport_vport_functions);
4183 if (!qla2xxx_transport_vport_template) {
4184 kmem_cache_destroy(srb_cachep);
4185 fc_release_transport(qla2xxx_transport_template);
1da177e4 4186 return -ENODEV;
2c3dfe3f 4187 }
1da177e4 4188
fd9a29f0
AV		 4189 printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n",
4190 qla2x00_version_str);
7ee61397 4191 ret = pci_register_driver(&qla2xxx_pci_driver);
fca29703
AV		 4192 if (ret) {
4193 kmem_cache_destroy(srb_cachep);
4194 fc_release_transport(qla2xxx_transport_template);
2c3dfe3f 4195 fc_release_transport(qla2xxx_transport_vport_template);
fca29703
AV		 4196 }
4197 return ret;
1da177e4
LT		 4198}
4199
4200/**
4201 * qla2x00_module_exit - Module cleanup.
4202 **/
4203static void __exit
4204qla2x00_module_exit(void)
4205{
6a03b4cd 4206 unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
7ee61397 4207 pci_unregister_driver(&qla2xxx_pci_driver);
5433383e 4208 qla2x00_release_firmware();
354d6b21 4209 kmem_cache_destroy(srb_cachep);
a9083016
GM		 4210 if (ctx_cachep)
4211 kmem_cache_destroy(ctx_cachep);
1da177e4 4212 fc_release_transport(qla2xxx_transport_template);
2c3dfe3f 4213 fc_release_transport(qla2xxx_transport_vport_template);
1da177e4
LT		 4214}
4215
4216module_init(qla2x00_module_init);
4217module_exit(qla2x00_module_exit);
4218
4219MODULE_AUTHOR("QLogic Corporation");
4220MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
4221MODULE_LICENSE("GPL");
4222MODULE_VERSION(QLA2XXX_VERSION);
bb8ee499
AV		 4223MODULE_FIRMWARE(FW_FILE_ISP21XX);
4224MODULE_FIRMWARE(FW_FILE_ISP22XX);
4225MODULE_FIRMWARE(FW_FILE_ISP2300);
4226MODULE_FIRMWARE(FW_FILE_ISP2322);
4227MODULE_FIRMWARE(FW_FILE_ISP24XX);
61623fc3 4228MODULE_FIRMWARE(FW_FILE_ISP25XX);
kernel source for telekom puls (alcatel/mediatek)