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SPI: spi_txx9: Fix bit rate calculation
[linux-2.6-block.git] / drivers / scsi / qla2xxx / qla_os.c
CommitLineData
1da177e4 1/*
fa90c54f 2 * QLogic Fibre Channel HBA Driver
01e58d8e 3 * Copyright (c) 2003-2008 QLogic Corporation
1da177e4 4 *
fa90c54f 5 * See LICENSE.qla2xxx for copyright and licensing details.
1da177e4
LT		 6 */
7#include "qla_def.h"
8
9#include <linux/moduleparam.h>
10#include <linux/vmalloc.h>
1da177e4 11#include <linux/delay.h>
39a11240 12#include <linux/kthread.h>
e1e82b6f 13#include <linux/mutex.h>
1da177e4
LT		 14
15#include <scsi/scsi_tcq.h>
16#include <scsi/scsicam.h>
17#include <scsi/scsi_transport.h>
18#include <scsi/scsi_transport_fc.h>
19
20/*
21 * Driver version
22 */
23char qla2x00_version_str[40];
24
25/*
26 * SRB allocation cache
27 */
e18b890b 28static struct kmem_cache *srb_cachep;
1da177e4 29
1da177e4
LT		 30int ql2xlogintimeout = 20;
31module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR);
32MODULE_PARM_DESC(ql2xlogintimeout,
33 "Login timeout value in seconds.");
34
a7b61842 35int qlport_down_retry;
1da177e4
LT		 36module_param(qlport_down_retry, int, S_IRUGO|S_IRUSR);
37MODULE_PARM_DESC(qlport_down_retry,
900d9f98 38 "Maximum number of command retries to a port that returns "
1da177e4
LT		 39 "a PORT-DOWN status.");
40
1da177e4
LT		 41int ql2xplogiabsentdevice;
42module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
43MODULE_PARM_DESC(ql2xplogiabsentdevice,
44 "Option to enable PLOGI to devices that are not present after "
900d9f98 45 "a Fabric scan. This is needed for several broken switches. "
1da177e4
LT		 46 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
47
1da177e4
LT		 48int ql2xloginretrycount = 0;
49module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR);
50MODULE_PARM_DESC(ql2xloginretrycount,
51 "Specify an alternate value for the NVRAM login retry count.");
52
a7a167bf
AV		 53int ql2xallocfwdump = 1;
54module_param(ql2xallocfwdump, int, S_IRUGO|S_IRUSR);
55MODULE_PARM_DESC(ql2xallocfwdump,
56 "Option to enable allocation of memory for a firmware dump "
57 "during HBA initialization. Memory allocation requirements "
58 "vary by ISP type. Default is 1 - allocate memory.");
59
11010fec 60int ql2xextended_error_logging;
27d94035 61module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
11010fec 62MODULE_PARM_DESC(ql2xextended_error_logging,
0181944f
AV		 63 "Option to enable extended error logging, "
64 "Default is 0 - no logging. 1 - log errors.");
65
1da177e4
LT		 66static void qla2x00_free_device(scsi_qla_host_t *);
67
7e47e5ca 68int ql2xfdmienable=1;
cca5335c
AV		 69module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR);
70MODULE_PARM_DESC(ql2xfdmienable,
71 "Enables FDMI registratons "
72 "Default is 0 - no FDMI. 1 - perfom FDMI.");
73
df7baa50
AV		 74#define MAX_Q_DEPTH 32
75static int ql2xmaxqdepth = MAX_Q_DEPTH;
76module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
77MODULE_PARM_DESC(ql2xmaxqdepth,
78 "Maximum queue depth to report for target devices.");
79
a13d8ac0
MR		 80int ql2xqfulltracking = 1;
81module_param(ql2xqfulltracking, int, S_IRUGO|S_IWUSR);
82MODULE_PARM_DESC(ql2xqfulltracking,
83 "Controls whether the driver tracks queue full status "
84 "returns and dynamically adjusts a scsi device's queue "
85 "depth. Default is 1, perform tracking. Set to 0 to "
86 "disable dynamic tracking and adjustment of queue depth.");
87
df7baa50
AV		 88int ql2xqfullrampup = 120;
89module_param(ql2xqfullrampup, int, S_IRUGO|S_IWUSR);
90MODULE_PARM_DESC(ql2xqfullrampup,
91 "Number of seconds to wait to begin to ramp-up the queue "
92 "depth for a device after a queue-full condition has been "
93 "detected. Default is 120 seconds.");
94
e5896bd5
AV		 95int ql2xiidmaenable=1;
96module_param(ql2xiidmaenable, int, S_IRUGO|S_IRUSR);
97MODULE_PARM_DESC(ql2xiidmaenable,
98 "Enables iIDMA settings "
99 "Default is 1 - perform iIDMA. 0 - no iIDMA.");
100
73208dfd
AC		 101int ql2xmaxqueues = 1;
102module_param(ql2xmaxqueues, int, S_IRUGO|S_IRUSR);
103MODULE_PARM_DESC(ql2xmaxqueues,
104 "Enables MQ settings "
105 "Default is 1 for single queue. Set it to number \
106 of queues in MQ mode.");
68ca949c
AC		 107
108int ql2xmultique_tag;
109module_param(ql2xmultique_tag, int, S_IRUGO|S_IRUSR);
110MODULE_PARM_DESC(ql2xmultique_tag,
111 "Enables CPU affinity settings for the driver "
112 "Default is 0 for no affinity of request and response IO. "
113 "Set it to 1 to turn on the cpu affinity.");
e337d907
AV		 114
115int ql2xfwloadbin;
116module_param(ql2xfwloadbin, int, S_IRUGO|S_IRUSR);
117MODULE_PARM_DESC(ql2xfwloadbin,
118 "Option to specify location from which to load ISP firmware:\n"
119 " 2 -- load firmware via the request_firmware() (hotplug)\n"
120 " interface.\n"
121 " 1 -- load firmware from flash.\n"
122 " 0 -- use default semantics.\n");
123
1da177e4 124/*
fa2a1ce5 125 * SCSI host template entry points
1da177e4
LT		 126 */
127static int qla2xxx_slave_configure(struct scsi_device * device);
f4f051eb 128static int qla2xxx_slave_alloc(struct scsi_device *);
1e99e33a
AV		 129static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
130static void qla2xxx_scan_start(struct Scsi_Host *);
f4f051eb 131static void qla2xxx_slave_destroy(struct scsi_device *);
a5326f86 132static int qla2xxx_queuecommand(struct scsi_cmnd *cmd,
fca29703 133 void (*fn)(struct scsi_cmnd *));
1da177e4
LT		 134static int qla2xxx_eh_abort(struct scsi_cmnd *);
135static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
523ec773 136static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
1da177e4
LT		 137static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
138static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
1da177e4 139
ce7e4af7
AV		 140static int qla2x00_change_queue_depth(struct scsi_device *, int);
141static int qla2x00_change_queue_type(struct scsi_device *, int);
142
a5326f86 143struct scsi_host_template qla2xxx_driver_template = {
1da177e4 144 .module = THIS_MODULE,
cb63067a 145 .name = QLA2XXX_DRIVER_NAME,
a5326f86 146 .queuecommand = qla2xxx_queuecommand,
fca29703
AV		 147
148 .eh_abort_handler = qla2xxx_eh_abort,
149 .eh_device_reset_handler = qla2xxx_eh_device_reset,
523ec773 150 .eh_target_reset_handler = qla2xxx_eh_target_reset,
fca29703
AV		 151 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
152 .eh_host_reset_handler = qla2xxx_eh_host_reset,
153
154 .slave_configure = qla2xxx_slave_configure,
155
156 .slave_alloc = qla2xxx_slave_alloc,
157 .slave_destroy = qla2xxx_slave_destroy,
ed677086
AV		 158 .scan_finished = qla2xxx_scan_finished,
159 .scan_start = qla2xxx_scan_start,
ce7e4af7
AV		 160 .change_queue_depth = qla2x00_change_queue_depth,
161 .change_queue_type = qla2x00_change_queue_type,
fca29703
AV		 162 .this_id = -1,
163 .cmd_per_lun = 3,
164 .use_clustering = ENABLE_CLUSTERING,
165 .sg_tablesize = SG_ALL,
166
167 .max_sectors = 0xFFFF,
afb046e2 168 .shost_attrs = qla2x00_host_attrs,
fca29703
AV		 169};
170
1da177e4 171static struct scsi_transport_template *qla2xxx_transport_template = NULL;
2c3dfe3f 172struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
1da177e4 173
1da177e4
LT		 174/* TODO Convert to inlines
175 *
176 * Timer routines
177 */
1da177e4 178
2c3dfe3f 179__inline__ void
e315cd28 180qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval)
1da177e4 181{
e315cd28
AC		 182 init_timer(&vha->timer);
183 vha->timer.expires = jiffies + interval * HZ;
184 vha->timer.data = (unsigned long)vha;
185 vha->timer.function = (void (*)(unsigned long))func;
186 add_timer(&vha->timer);
187 vha->timer_active = 1;
1da177e4
LT		 188}
189
190static inline void
e315cd28 191qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
1da177e4 192{
e315cd28 193 mod_timer(&vha->timer, jiffies + interval * HZ);
1da177e4
LT		 194}
195
a824ebb3 196static __inline__ void
e315cd28 197qla2x00_stop_timer(scsi_qla_host_t *vha)
1da177e4 198{
e315cd28
AC		 199 del_timer_sync(&vha->timer);
200 vha->timer_active = 0;
1da177e4
LT		 201}
202
1da177e4
LT		 203static int qla2x00_do_dpc(void *data);
204
205static void qla2x00_rst_aen(scsi_qla_host_t *);
206
73208dfd
AC		 207static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
208 struct req_que **, struct rsp_que **);
e315cd28
AC		 209static void qla2x00_mem_free(struct qla_hw_data *);
210static void qla2x00_sp_free_dma(srb_t *);
1da177e4 211
1da177e4 212/* -------------------------------------------------------------------------- */
73208dfd
AC		 213static int qla2x00_alloc_queues(struct qla_hw_data *ha)
214{
2afa19a9 215 ha->req_q_map = kzalloc(sizeof(struct req_que *) * ha->max_req_queues,
73208dfd
AC		 216 GFP_KERNEL);
217 if (!ha->req_q_map) {
218 qla_printk(KERN_WARNING, ha,
219 "Unable to allocate memory for request queue ptrs\n");
220 goto fail_req_map;
221 }
222
2afa19a9 223 ha->rsp_q_map = kzalloc(sizeof(struct rsp_que *) * ha->max_rsp_queues,
73208dfd
AC		 224 GFP_KERNEL);
225 if (!ha->rsp_q_map) {
226 qla_printk(KERN_WARNING, ha,
227 "Unable to allocate memory for response queue ptrs\n");
228 goto fail_rsp_map;
229 }
230 set_bit(0, ha->rsp_qid_map);
231 set_bit(0, ha->req_qid_map);
232 return 1;
233
234fail_rsp_map:
235 kfree(ha->req_q_map);
236 ha->req_q_map = NULL;
237fail_req_map:
238 return -ENOMEM;
239}
240
2afa19a9 241static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
73208dfd 242{
73208dfd
AC		 243 if (req && req->ring)
244 dma_free_coherent(&ha->pdev->dev,
245 (req->length + 1) * sizeof(request_t),
246 req->ring, req->dma);
247
248 kfree(req);
249 req = NULL;
250}
251
2afa19a9
AC		 252static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
253{
254 if (rsp && rsp->ring)
255 dma_free_coherent(&ha->pdev->dev,
256 (rsp->length + 1) * sizeof(response_t),
257 rsp->ring, rsp->dma);
258
259 kfree(rsp);
260 rsp = NULL;
261}
262
73208dfd
AC		 263static void qla2x00_free_queues(struct qla_hw_data *ha)
264{
265 struct req_que *req;
266 struct rsp_que *rsp;
267 int cnt;
268
2afa19a9 269 for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
73208dfd 270 req = ha->req_q_map[cnt];
2afa19a9 271 qla2x00_free_req_que(ha, req);
73208dfd 272 }
73208dfd
AC		 273 kfree(ha->req_q_map);
274 ha->req_q_map = NULL;
2afa19a9
AC		 275
276 for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
277 rsp = ha->rsp_q_map[cnt];
278 qla2x00_free_rsp_que(ha, rsp);
279 }
280 kfree(ha->rsp_q_map);
281 ha->rsp_q_map = NULL;
73208dfd
AC		 282}
283
68ca949c
AC		 284static int qla25xx_setup_mode(struct scsi_qla_host *vha)
285{
286 uint16_t options = 0;
287 int ques, req, ret;
288 struct qla_hw_data *ha = vha->hw;
289
7163ea81
AC		 290 if (!(ha->fw_attributes & BIT_6)) {
291 qla_printk(KERN_INFO, ha,
292 "Firmware is not multi-queue capable\n");
293 goto fail;
294 }
68ca949c 295 if (ql2xmultique_tag) {
68ca949c
AC		 296 /* create a request queue for IO */
297 options |= BIT_7;
298 req = qla25xx_create_req_que(ha, options, 0, 0, -1,
299 QLA_DEFAULT_QUE_QOS);
300 if (!req) {
301 qla_printk(KERN_WARNING, ha,
302 "Can't create request queue\n");
303 goto fail;
304 }
7163ea81 305 ha->wq = create_workqueue("qla2xxx_wq");
68ca949c
AC		 306 vha->req = ha->req_q_map[req];
307 options |= BIT_1;
308 for (ques = 1; ques < ha->max_rsp_queues; ques++) {
309 ret = qla25xx_create_rsp_que(ha, options, 0, 0, req);
310 if (!ret) {
311 qla_printk(KERN_WARNING, ha,
312 "Response Queue create failed\n");
313 goto fail2;
314 }
315 }
7163ea81
AC		 316 ha->flags.cpu_affinity_enabled = 1;
317
68ca949c
AC		 318 DEBUG2(qla_printk(KERN_INFO, ha,
319 "CPU affinity mode enabled, no. of response"
320 " queues:%d, no. of request queues:%d\n",
321 ha->max_rsp_queues, ha->max_req_queues));
322 }
323 return 0;
324fail2:
325 qla25xx_delete_queues(vha);
7163ea81
AC		 326 destroy_workqueue(ha->wq);
327 ha->wq = NULL;
68ca949c
AC		 328fail:
329 ha->mqenable = 0;
7163ea81
AC		 330 kfree(ha->req_q_map);
331 kfree(ha->rsp_q_map);
332 ha->max_req_queues = ha->max_rsp_queues = 1;
68ca949c
AC		 333 return 1;
334}
335
1da177e4 336static char *
e315cd28 337qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
1da177e4 338{
e315cd28 339 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 340 static char *pci_bus_modes[] = {
341 "33", "66", "100", "133",
342 };
343 uint16_t pci_bus;
344
345 strcpy(str, "PCI");
346 pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
347 if (pci_bus) {
348 strcat(str, "-X (");
349 strcat(str, pci_bus_modes[pci_bus]);
350 } else {
351 pci_bus = (ha->pci_attr & BIT_8) >> 8;
352 strcat(str, " (");
353 strcat(str, pci_bus_modes[pci_bus]);
354 }
355 strcat(str, " MHz)");
356
357 return (str);
358}
359
fca29703 360static char *
e315cd28 361qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
fca29703
AV		 362{
363 static char *pci_bus_modes[] = { "33", "66", "100", "133", };
e315cd28 364 struct qla_hw_data *ha = vha->hw;
fca29703
AV		 365 uint32_t pci_bus;
366 int pcie_reg;
367
368 pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
369 if (pcie_reg) {
370 char lwstr[6];
371 uint16_t pcie_lstat, lspeed, lwidth;
372
373 pcie_reg += 0x12;
374 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
375 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
376 lwidth = (pcie_lstat &
377 (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
378
379 strcpy(str, "PCIe (");
380 if (lspeed == 1)
c87a0d8c 381 strcat(str, "2.5GT/s ");
c3a2f0df 382 else if (lspeed == 2)
c87a0d8c 383 strcat(str, "5.0GT/s ");
fca29703
AV		 384 else
385 strcat(str, "<unknown> ");
386 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
387 strcat(str, lwstr);
388
389 return str;
390 }
391
392 strcpy(str, "PCI");
393 pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
394 if (pci_bus == 0 || pci_bus == 8) {
395 strcat(str, " (");
396 strcat(str, pci_bus_modes[pci_bus >> 3]);
397 } else {
398 strcat(str, "-X ");
399 if (pci_bus & BIT_2)
400 strcat(str, "Mode 2");
401 else
402 strcat(str, "Mode 1");
403 strcat(str, " (");
404 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
405 }
406 strcat(str, " MHz)");
407
408 return str;
409}
410
e5f82ab8 411static char *
e315cd28 412qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str)
1da177e4
LT		 413{
414 char un_str[10];
e315cd28 415 struct qla_hw_data *ha = vha->hw;
fa2a1ce5 416
1da177e4
LT		 417 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
418 ha->fw_minor_version,
419 ha->fw_subminor_version);
420
421 if (ha->fw_attributes & BIT_9) {
422 strcat(str, "FLX");
423 return (str);
424 }
425
426 switch (ha->fw_attributes & 0xFF) {
427 case 0x7:
428 strcat(str, "EF");
429 break;
430 case 0x17:
431 strcat(str, "TP");
432 break;
433 case 0x37:
434 strcat(str, "IP");
435 break;
436 case 0x77:
437 strcat(str, "VI");
438 break;
439 default:
440 sprintf(un_str, "(%x)", ha->fw_attributes);
441 strcat(str, un_str);
442 break;
443 }
444 if (ha->fw_attributes & 0x100)
445 strcat(str, "X");
446
447 return (str);
448}
449
e5f82ab8 450static char *
e315cd28 451qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str)
fca29703 452{
e315cd28 453 struct qla_hw_data *ha = vha->hw;
f0883ac6 454
3a03eb79
AV		 455 sprintf(str, "%d.%02d.%02d (%x)", ha->fw_major_version,
456 ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
fca29703 457 return str;
fca29703
AV		 458}
459
460static inline srb_t *
e315cd28 461qla2x00_get_new_sp(scsi_qla_host_t *vha, fc_port_t *fcport,
fca29703
AV		 462 struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
463{
464 srb_t *sp;
e315cd28 465 struct qla_hw_data *ha = vha->hw;
fca29703
AV		 466
467 sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
468 if (!sp)
469 return sp;
470
fca29703
AV		 471 sp->fcport = fcport;
472 sp->cmd = cmd;
473 sp->flags = 0;
474 CMD_SP(cmd) = (void *)sp;
475 cmd->scsi_done = done;
cf53b069 476 sp->ctx = NULL;
fca29703
AV		 477
478 return sp;
479}
480
1da177e4 481static int
a5326f86 482qla2xxx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
fca29703 483{
e315cd28 484 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
fca29703 485 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
19a7b4ae 486 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
e315cd28
AC		 487 struct qla_hw_data *ha = vha->hw;
488 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
fca29703
AV		 489 srb_t *sp;
490 int rval;
491
e315cd28 492 if (unlikely(pci_channel_offline(ha->pdev))) {
b9b12f73
SJ		 493 if (ha->pdev->error_state == pci_channel_io_frozen)
494 cmd->result = DID_REQUEUE << 16;
495 else
496 cmd->result = DID_NO_CONNECT << 16;
14e660e6
SJ		 497 goto qc24_fail_command;
498 }
499
19a7b4ae
JSEC		 500 rval = fc_remote_port_chkready(rport);
501 if (rval) {
502 cmd->result = rval;
fca29703
AV		 503 goto qc24_fail_command;
504 }
505
387f96b4 506 /* Close window on fcport/rport state-transitioning. */
7b594131
MC		 507 if (fcport->drport)
508 goto qc24_target_busy;
387f96b4 509
fca29703
AV		 510 if (atomic_read(&fcport->state) != FCS_ONLINE) {
511 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
e315cd28 512 atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
fca29703
AV		 513 cmd->result = DID_NO_CONNECT << 16;
514 goto qc24_fail_command;
515 }
7b594131 516 goto qc24_target_busy;
fca29703
AV		 517 }
518
e315cd28 519 spin_unlock_irq(vha->host->host_lock);
fca29703 520
e315cd28 521 sp = qla2x00_get_new_sp(base_vha, fcport, cmd, done);
fca29703
AV		 522 if (!sp)
523 goto qc24_host_busy_lock;
524
e315cd28 525 rval = ha->isp_ops->start_scsi(sp);
fca29703
AV		 526 if (rval != QLA_SUCCESS)
527 goto qc24_host_busy_free_sp;
528
e315cd28 529 spin_lock_irq(vha->host->host_lock);
fca29703
AV		 530
531 return 0;
532
533qc24_host_busy_free_sp:
e315cd28
AC		 534 qla2x00_sp_free_dma(sp);
535 mempool_free(sp, ha->srb_mempool);
fca29703
AV		 536
537qc24_host_busy_lock:
e315cd28 538 spin_lock_irq(vha->host->host_lock);
fca29703
AV		 539 return SCSI_MLQUEUE_HOST_BUSY;
540
7b594131
MC		 541qc24_target_busy:
542 return SCSI_MLQUEUE_TARGET_BUSY;
543
fca29703
AV		 544qc24_fail_command:
545 done(cmd);
546
547 return 0;
548}
549
550
1da177e4
LT		 551/*
552 * qla2x00_eh_wait_on_command
553 * Waits for the command to be returned by the Firmware for some
554 * max time.
555 *
556 * Input:
1da177e4 557 * cmd = Scsi Command to wait on.
1da177e4
LT		 558 *
559 * Return:
560 * Not Found : 0
561 * Found : 1
562 */
563static int
e315cd28 564qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
1da177e4 565{
fe74c71f
AV		 566#define ABORT_POLLING_PERIOD 1000
567#define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
f4f051eb 568 unsigned long wait_iter = ABORT_WAIT_ITER;
569 int ret = QLA_SUCCESS;
1da177e4 570
d970432c 571 while (CMD_SP(cmd) && wait_iter--) {
fe74c71f 572 msleep(ABORT_POLLING_PERIOD);
f4f051eb 573 }
574 if (CMD_SP(cmd))
575 ret = QLA_FUNCTION_FAILED;
1da177e4 576
f4f051eb 577 return ret;
1da177e4
LT		 578}
579
580/*
581 * qla2x00_wait_for_hba_online
fa2a1ce5 582 * Wait till the HBA is online after going through
1da177e4
LT		 583 * <= MAX_RETRIES_OF_ISP_ABORT or
584 * finally HBA is disabled ie marked offline
585 *
586 * Input:
587 * ha - pointer to host adapter structure
fa2a1ce5
AV		 588 *
589 * Note:
1da177e4
LT		 590 * Does context switching-Release SPIN_LOCK
591 * (if any) before calling this routine.
592 *
593 * Return:
594 * Success (Adapter is online) : 0
595 * Failed (Adapter is offline/disabled) : 1
596 */
854165f4 597int
e315cd28 598qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
1da177e4 599{
fca29703
AV		 600 int return_status;
601 unsigned long wait_online;
e315cd28
AC		 602 struct qla_hw_data *ha = vha->hw;
603 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1da177e4 604
fa2a1ce5 605 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
e315cd28
AC		 606 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
607 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
608 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
609 ha->dpc_active) && time_before(jiffies, wait_online)) {
1da177e4
LT		 610
611 msleep(1000);
612 }
e315cd28 613 if (base_vha->flags.online)
fa2a1ce5 614 return_status = QLA_SUCCESS;
1da177e4
LT		 615 else
616 return_status = QLA_FUNCTION_FAILED;
617
1da177e4
LT		 618 return (return_status);
619}
620
2533cf67
LC		 621int
622qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
623{
624 int return_status;
625 unsigned long wait_reset;
626 struct qla_hw_data *ha = vha->hw;
627 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
628
629 wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
630 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
631 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
632 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
633 ha->dpc_active) && time_before(jiffies, wait_reset)) {
634
635 msleep(1000);
636
637 if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
638 ha->flags.chip_reset_done)
639 break;
640 }
641 if (ha->flags.chip_reset_done)
642 return_status = QLA_SUCCESS;
643 else
644 return_status = QLA_FUNCTION_FAILED;
645
646 return return_status;
647}
648
1da177e4
LT		 649/*
650 * qla2x00_wait_for_loop_ready
651 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
fa2a1ce5 652 * to be in LOOP_READY state.
1da177e4
LT		 653 * Input:
654 * ha - pointer to host adapter structure
fa2a1ce5
AV		 655 *
656 * Note:
1da177e4
LT		 657 * Does context switching-Release SPIN_LOCK
658 * (if any) before calling this routine.
fa2a1ce5 659 *
1da177e4
LT		 660 *
661 * Return:
662 * Success (LOOP_READY) : 0
663 * Failed (LOOP_NOT_READY) : 1
664 */
fa2a1ce5 665static inline int
e315cd28 666qla2x00_wait_for_loop_ready(scsi_qla_host_t *vha)
1da177e4
LT		 667{
668 int return_status = QLA_SUCCESS;
669 unsigned long loop_timeout ;
e315cd28
AC		 670 struct qla_hw_data *ha = vha->hw;
671 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1da177e4
LT		 672
673 /* wait for 5 min at the max for loop to be ready */
fa2a1ce5 674 loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1da177e4 675
e315cd28
AC		 676 while ((!atomic_read(&base_vha->loop_down_timer) &&
677 atomic_read(&base_vha->loop_state) == LOOP_DOWN) ||
678 atomic_read(&base_vha->loop_state) != LOOP_READY) {
679 if (atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
57680080
RA		 680 return_status = QLA_FUNCTION_FAILED;
681 break;
682 }
1da177e4
LT		 683 msleep(1000);
684 if (time_after_eq(jiffies, loop_timeout)) {
685 return_status = QLA_FUNCTION_FAILED;
686 break;
687 }
688 }
fa2a1ce5 689 return (return_status);
1da177e4
LT		 690}
691
5f3a9a20
SJ		 692void
693qla2x00_abort_fcport_cmds(fc_port_t *fcport)
694{
2afa19a9 695 int cnt;
5f3a9a20
SJ		 696 unsigned long flags;
697 srb_t *sp;
e315cd28
AC		 698 scsi_qla_host_t *vha = fcport->vha;
699 struct qla_hw_data *ha = vha->hw;
73208dfd 700 struct req_que *req;
5f3a9a20 701
e315cd28 702 spin_lock_irqsave(&ha->hardware_lock, flags);
2afa19a9
AC		 703 req = vha->req;
704 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
705 sp = req->outstanding_cmds[cnt];
706 if (!sp)
707 continue;
708 if (sp->fcport != fcport)
5f3a9a20 709 continue;
cf53b069
AV		 710 if (sp->ctx)
711 continue;
5f3a9a20 712
2afa19a9
AC		 713 spin_unlock_irqrestore(&ha->hardware_lock, flags);
714 if (ha->isp_ops->abort_command(sp)) {
715 DEBUG2(qla_printk(KERN_WARNING, ha,
716 "Abort failed -- %lx\n",
717 sp->cmd->serial_number));
718 } else {
719 if (qla2x00_eh_wait_on_command(sp->cmd) !=
720 QLA_SUCCESS)
5f3a9a20 721 DEBUG2(qla_printk(KERN_WARNING, ha,
2afa19a9 722 "Abort failed while waiting -- %lx\n",
73208dfd 723 sp->cmd->serial_number));
5f3a9a20 724 }
2afa19a9 725 spin_lock_irqsave(&ha->hardware_lock, flags);
5f3a9a20 726 }
e315cd28 727 spin_unlock_irqrestore(&ha->hardware_lock, flags);
5f3a9a20
SJ		 728}
729
07db5183
AV		 730static void
731qla2x00_block_error_handler(struct scsi_cmnd *cmnd)
732{
733 struct Scsi_Host *shost = cmnd->device->host;
734 struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device));
735 unsigned long flags;
736
737 spin_lock_irqsave(shost->host_lock, flags);
738 while (rport->port_state == FC_PORTSTATE_BLOCKED) {
739 spin_unlock_irqrestore(shost->host_lock, flags);
740 msleep(1000);
741 spin_lock_irqsave(shost->host_lock, flags);
742 }
743 spin_unlock_irqrestore(shost->host_lock, flags);
744 return;
745}
746
1da177e4
LT		 747/**************************************************************************
748* qla2xxx_eh_abort
749*
750* Description:
751* The abort function will abort the specified command.
752*
753* Input:
754* cmd = Linux SCSI command packet to be aborted.
755*
756* Returns:
757* Either SUCCESS or FAILED.
758*
759* Note:
2ea00202 760* Only return FAILED if command not returned by firmware.
1da177e4 761**************************************************************************/
e5f82ab8 762static int
1da177e4
LT		 763qla2xxx_eh_abort(struct scsi_cmnd *cmd)
764{
e315cd28 765 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
f4f051eb 766 srb_t *sp;
17d98630 767 int ret, i;
f4f051eb 768 unsigned int id, lun;
769 unsigned long serial;
18e144d3 770 unsigned long flags;
2ea00202 771 int wait = 0;
e315cd28 772 struct qla_hw_data *ha = vha->hw;
67c2e93a 773 struct req_que *req = vha->req;
17d98630 774 srb_t *spt;
1da177e4 775
07db5183
AV		 776 qla2x00_block_error_handler(cmd);
777
f4f051eb 778 if (!CMD_SP(cmd))
2ea00202 779 return SUCCESS;
1da177e4 780
2ea00202 781 ret = SUCCESS;
1da177e4 782
f4f051eb 783 id = cmd->device->id;
784 lun = cmd->device->lun;
785 serial = cmd->serial_number;
17d98630
AC		 786 spt = (srb_t *) CMD_SP(cmd);
787 if (!spt)
788 return SUCCESS;
1da177e4 789
f4f051eb 790 /* Check active list for command command. */
e315cd28 791 spin_lock_irqsave(&ha->hardware_lock, flags);
17d98630
AC		 792 for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
793 sp = req->outstanding_cmds[i];
1da177e4 794
17d98630
AC		 795 if (sp == NULL)
796 continue;
cf53b069
AV		 797 if (sp->ctx)
798 continue;
17d98630
AC		 799 if (sp->cmd != cmd)
800 continue;
1da177e4 801
17d98630
AC		 802 DEBUG2(printk("%s(%ld): aborting sp %p from RISC."
803 " pid=%ld.\n", __func__, vha->host_no, sp, serial));
804
805 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2afa19a9 806 if (ha->isp_ops->abort_command(sp)) {
17d98630
AC		 807 DEBUG2(printk("%s(%ld): abort_command "
808 "mbx failed.\n", __func__, vha->host_no));
2ac4b64f 809 ret = FAILED;
17d98630
AC		 810 } else {
811 DEBUG3(printk("%s(%ld): abort_command "
812 "mbx success.\n", __func__, vha->host_no));
813 wait = 1;
73208dfd 814 }
17d98630
AC		 815 spin_lock_irqsave(&ha->hardware_lock, flags);
816 break;
f4f051eb 817 }
e315cd28 818 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1da177e4 819
f4f051eb 820 /* Wait for the command to be returned. */
2ea00202 821 if (wait) {
e315cd28 822 if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
fa2a1ce5 823 qla_printk(KERN_ERR, ha,
f4f051eb 824 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
e315cd28 825 "%x.\n", vha->host_no, id, lun, serial, ret);
2ea00202 826 ret = FAILED;
f4f051eb 827 }
1da177e4 828 }
1da177e4 829
fa2a1ce5 830 qla_printk(KERN_INFO, ha,
2ea00202 831 "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
e315cd28 832 vha->host_no, id, lun, wait, serial, ret);
1da177e4 833
f4f051eb 834 return ret;
835}
1da177e4 836
523ec773
AV		 837enum nexus_wait_type {
838 WAIT_HOST = 0,
839 WAIT_TARGET,
840 WAIT_LUN,
841};
842
f4f051eb 843static int
e315cd28 844qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
17d98630 845 unsigned int l, srb_t *sp, enum nexus_wait_type type)
f4f051eb 846{
17d98630 847 int cnt, match, status;
18e144d3 848 unsigned long flags;
e315cd28 849 struct qla_hw_data *ha = vha->hw;
73208dfd 850 struct req_que *req;
1da177e4 851
523ec773 852 status = QLA_SUCCESS;
17d98630
AC		 853 if (!sp)
854 return status;
855
e315cd28 856 spin_lock_irqsave(&ha->hardware_lock, flags);
67c2e93a 857 req = vha->req;
17d98630
AC		 858 for (cnt = 1; status == QLA_SUCCESS &&
859 cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
860 sp = req->outstanding_cmds[cnt];
861 if (!sp)
523ec773 862 continue;
cf53b069
AV		 863 if (sp->ctx)
864 continue;
17d98630
AC		 865 if (vha->vp_idx != sp->fcport->vha->vp_idx)
866 continue;
867 match = 0;
868 switch (type) {
869 case WAIT_HOST:
870 match = 1;
871 break;
872 case WAIT_TARGET:
873 match = sp->cmd->device->id == t;
874 break;
875 case WAIT_LUN:
876 match = (sp->cmd->device->id == t &&
877 sp->cmd->device->lun == l);
878 break;
73208dfd 879 }
17d98630
AC		 880 if (!match)
881 continue;
882
883 spin_unlock_irqrestore(&ha->hardware_lock, flags);
884 status = qla2x00_eh_wait_on_command(sp->cmd);
885 spin_lock_irqsave(&ha->hardware_lock, flags);
1da177e4 886 }
e315cd28 887 spin_unlock_irqrestore(&ha->hardware_lock, flags);
523ec773
AV		 888
889 return status;
1da177e4
LT		 890}
891
523ec773
AV		 892static char *reset_errors[] = {
893 "HBA not online",
894 "HBA not ready",
895 "Task management failed",
896 "Waiting for command completions",
897};
1da177e4 898
e5f82ab8 899static int
523ec773 900__qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
2afa19a9 901 struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int, int))
1da177e4 902{
e315cd28 903 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
bdf79621 904 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
523ec773 905 int err;
1da177e4 906
07db5183
AV		 907 qla2x00_block_error_handler(cmd);
908
b0328bee 909 if (!fcport)
523ec773 910 return FAILED;
1da177e4 911
e315cd28
AC		 912 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET ISSUED.\n",
913 vha->host_no, cmd->device->id, cmd->device->lun, name);
1da177e4 914
523ec773 915 err = 0;
e315cd28 916 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
523ec773
AV		 917 goto eh_reset_failed;
918 err = 1;
e315cd28 919 if (qla2x00_wait_for_loop_ready(vha) != QLA_SUCCESS)
523ec773
AV		 920 goto eh_reset_failed;
921 err = 2;
2afa19a9
AC		 922 if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
923 != QLA_SUCCESS)
523ec773
AV		 924 goto eh_reset_failed;
925 err = 3;
e315cd28 926 if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
17d98630 927 cmd->device->lun, (srb_t *) CMD_SP(cmd), type) != QLA_SUCCESS)
523ec773
AV		 928 goto eh_reset_failed;
929
e315cd28
AC		 930 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n",
931 vha->host_no, cmd->device->id, cmd->device->lun, name);
523ec773
AV		 932
933 return SUCCESS;
934
935 eh_reset_failed:
e315cd28
AC		 936 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n"
937 , vha->host_no, cmd->device->id, cmd->device->lun, name,
523ec773
AV		 938 reset_errors[err]);
939 return FAILED;
940}
1da177e4 941
523ec773
AV		 942static int
943qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
944{
e315cd28
AC		 945 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
946 struct qla_hw_data *ha = vha->hw;
1da177e4 947
523ec773
AV		 948 return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
949 ha->isp_ops->lun_reset);
1da177e4
LT		 950}
951
1da177e4 952static int
523ec773 953qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1da177e4 954{
e315cd28
AC		 955 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
956 struct qla_hw_data *ha = vha->hw;
1da177e4 957
523ec773
AV		 958 return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
959 ha->isp_ops->target_reset);
1da177e4
LT		 960}
961
1da177e4
LT		 962/**************************************************************************
963* qla2xxx_eh_bus_reset
964*
965* Description:
966* The bus reset function will reset the bus and abort any executing
967* commands.
968*
969* Input:
970* cmd = Linux SCSI command packet of the command that cause the
971* bus reset.
972*
973* Returns:
974* SUCCESS/FAILURE (defined as macro in scsi.h).
975*
976**************************************************************************/
e5f82ab8 977static int
1da177e4
LT		 978qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
979{
e315cd28 980 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
bdf79621 981 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
2c3dfe3f 982 int ret = FAILED;
f4f051eb 983 unsigned int id, lun;
984 unsigned long serial;
17d98630 985 srb_t *sp = (srb_t *) CMD_SP(cmd);
f4f051eb 986
07db5183
AV		 987 qla2x00_block_error_handler(cmd);
988
f4f051eb 989 id = cmd->device->id;
990 lun = cmd->device->lun;
991 serial = cmd->serial_number;
1da177e4 992
b0328bee 993 if (!fcport)
f4f051eb 994 return ret;
1da177e4 995
e315cd28 996 qla_printk(KERN_INFO, vha->hw,
749af3d5 997 "scsi(%ld:%d:%d): BUS RESET ISSUED.\n", vha->host_no, id, lun);
1da177e4 998
e315cd28 999 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1da177e4 1000 DEBUG2(printk("%s failed:board disabled\n",__func__));
f4f051eb 1001 goto eh_bus_reset_done;
1da177e4
LT		 1002 }
1003
e315cd28
AC		 1004 if (qla2x00_wait_for_loop_ready(vha) == QLA_SUCCESS) {
1005 if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
f4f051eb 1006 ret = SUCCESS;
1da177e4 1007 }
f4f051eb 1008 if (ret == FAILED)
1009 goto eh_bus_reset_done;
1da177e4 1010
9a41a62b 1011 /* Flush outstanding commands. */
17d98630 1012 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) !=
523ec773 1013 QLA_SUCCESS)
9a41a62b 1014 ret = FAILED;
1da177e4 1015
f4f051eb 1016eh_bus_reset_done:
e315cd28 1017 qla_printk(KERN_INFO, vha->hw, "%s: reset %s\n", __func__,
f4f051eb 1018 (ret == FAILED) ? "failed" : "succeded");
1da177e4 1019
f4f051eb 1020 return ret;
1da177e4
LT		 1021}
1022
1023/**************************************************************************
1024* qla2xxx_eh_host_reset
1025*
1026* Description:
1027* The reset function will reset the Adapter.
1028*
1029* Input:
1030* cmd = Linux SCSI command packet of the command that cause the
1031* adapter reset.
1032*
1033* Returns:
1034* Either SUCCESS or FAILED.
1035*
1036* Note:
1037**************************************************************************/
e5f82ab8 1038static int
1da177e4
LT		 1039qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1040{
e315cd28 1041 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
bdf79621 1042 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
e315cd28 1043 struct qla_hw_data *ha = vha->hw;
2c3dfe3f 1044 int ret = FAILED;
f4f051eb 1045 unsigned int id, lun;
1046 unsigned long serial;
17d98630 1047 srb_t *sp = (srb_t *) CMD_SP(cmd);
e315cd28 1048 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1da177e4 1049
07db5183
AV		 1050 qla2x00_block_error_handler(cmd);
1051
f4f051eb 1052 id = cmd->device->id;
1053 lun = cmd->device->lun;
1054 serial = cmd->serial_number;
1055
b0328bee 1056 if (!fcport)
f4f051eb 1057 return ret;
1da177e4 1058
1da177e4 1059 qla_printk(KERN_INFO, ha,
e315cd28 1060 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", vha->host_no, id, lun);
1da177e4 1061
e315cd28 1062 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
f4f051eb 1063 goto eh_host_reset_lock;
1da177e4
LT		 1064
1065 /*
1066 * Fixme-may be dpc thread is active and processing
fa2a1ce5 1067 * loop_resync,so wait a while for it to
1da177e4
LT		 1068 * be completed and then issue big hammer.Otherwise
1069 * it may cause I/O failure as big hammer marks the
1070 * devices as lost kicking of the port_down_timer
1071 * while dpc is stuck for the mailbox to complete.
1072 */
e315cd28
AC		 1073 qla2x00_wait_for_loop_ready(vha);
1074 if (vha != base_vha) {
1075 if (qla2x00_vp_abort_isp(vha))
f4f051eb 1076 goto eh_host_reset_lock;
e315cd28 1077 } else {
68ca949c
AC		 1078 if (ha->wq)
1079 flush_workqueue(ha->wq);
1080
e315cd28
AC		 1081 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1082 if (qla2x00_abort_isp(base_vha)) {
1083 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1084 /* failed. schedule dpc to try */
1085 set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1086
1087 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
1088 goto eh_host_reset_lock;
1089 }
1090 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
fa2a1ce5 1091 }
1da177e4 1092
e315cd28 1093 /* Waiting for command to be returned to OS.*/
17d98630 1094 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) ==
e315cd28 1095 QLA_SUCCESS)
f4f051eb 1096 ret = SUCCESS;
1da177e4 1097
f4f051eb 1098eh_host_reset_lock:
f4f051eb 1099 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1100 (ret == FAILED) ? "failed" : "succeded");
1da177e4 1101
f4f051eb 1102 return ret;
1103}
1da177e4
LT		 1104
1105/*
1106* qla2x00_loop_reset
1107* Issue loop reset.
1108*
1109* Input:
1110* ha = adapter block pointer.
1111*
1112* Returns:
1113* 0 = success
1114*/
a4722cf2 1115int
e315cd28 1116qla2x00_loop_reset(scsi_qla_host_t *vha)
1da177e4 1117{
0c8c39af 1118 int ret;
bdf79621 1119 struct fc_port *fcport;
e315cd28 1120 struct qla_hw_data *ha = vha->hw;
1da177e4 1121
0d6e61bc 1122 if (ha->flags.enable_lip_full_login && !IS_QLA81XX(ha)) {
e315cd28 1123 ret = qla2x00_full_login_lip(vha);
0c8c39af 1124 if (ret != QLA_SUCCESS) {
749af3d5 1125 DEBUG2_3(printk("%s(%ld): failed: "
e315cd28 1126 "full_login_lip=%d.\n", __func__, vha->host_no,
0c8c39af 1127 ret));
749af3d5
AC		 1128 }
1129 atomic_set(&vha->loop_state, LOOP_DOWN);
1130 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1131 qla2x00_mark_all_devices_lost(vha, 0);
1132 qla2x00_wait_for_loop_ready(vha);
0c8c39af
AV		 1133 }
1134
0d6e61bc 1135 if (ha->flags.enable_lip_reset) {
e315cd28 1136 ret = qla2x00_lip_reset(vha);
0c8c39af 1137 if (ret != QLA_SUCCESS) {
749af3d5 1138 DEBUG2_3(printk("%s(%ld): failed: "
e315cd28
AC		 1139 "lip_reset=%d.\n", __func__, vha->host_no, ret));
1140 } else
1141 qla2x00_wait_for_loop_ready(vha);
1da177e4
LT		 1142 }
1143
0c8c39af 1144 if (ha->flags.enable_target_reset) {
e315cd28 1145 list_for_each_entry(fcport, &vha->vp_fcports, list) {
bdf79621 1146 if (fcport->port_type != FCT_TARGET)
1da177e4
LT		 1147 continue;
1148
2afa19a9 1149 ret = ha->isp_ops->target_reset(fcport, 0, 0);
0c8c39af
AV		 1150 if (ret != QLA_SUCCESS) {
1151 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1152 "target_reset=%d d_id=%x.\n", __func__,
e315cd28 1153 vha->host_no, ret, fcport->d_id.b24));
0c8c39af 1154 }
1da177e4
LT		 1155 }
1156 }
1da177e4 1157 /* Issue marker command only when we are going to start the I/O */
e315cd28 1158 vha->marker_needed = 1;
1da177e4 1159
0c8c39af 1160 return QLA_SUCCESS;
1da177e4
LT		 1161}
1162
df4bf0bb 1163void
e315cd28 1164qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
df4bf0bb 1165{
73208dfd 1166 int que, cnt;
df4bf0bb
AV		 1167 unsigned long flags;
1168 srb_t *sp;
ac280b67 1169 struct srb_ctx *ctx;
e315cd28 1170 struct qla_hw_data *ha = vha->hw;
73208dfd 1171 struct req_que *req;
df4bf0bb
AV		 1172
1173 spin_lock_irqsave(&ha->hardware_lock, flags);
2afa19a9 1174 for (que = 0; que < ha->max_req_queues; que++) {
29bdccbe 1175 req = ha->req_q_map[que];
73208dfd
AC		 1176 if (!req)
1177 continue;
1178 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1179 sp = req->outstanding_cmds[cnt];
e612d465 1180 if (sp) {
73208dfd 1181 req->outstanding_cmds[cnt] = NULL;
ac280b67
AV		 1182 if (!sp->ctx) {
1183 sp->cmd->result = res;
1184 qla2x00_sp_compl(ha, sp);
1185 } else {
1186 ctx = sp->ctx;
1187 del_timer_sync(&ctx->timer);
1188 ctx->free(sp);
1189 }
73208dfd 1190 }
df4bf0bb
AV		 1191 }
1192 }
1193 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1194}
1195
f4f051eb 1196static int
1197qla2xxx_slave_alloc(struct scsi_device *sdev)
1da177e4 1198{
bdf79621 1199 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1da177e4 1200
19a7b4ae 1201 if (!rport || fc_remote_port_chkready(rport))
f4f051eb 1202 return -ENXIO;
bdf79621 1203
19a7b4ae 1204 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1da177e4 1205
f4f051eb 1206 return 0;
1207}
1da177e4 1208
f4f051eb 1209static int
1210qla2xxx_slave_configure(struct scsi_device *sdev)
1211{
e315cd28
AC		 1212 scsi_qla_host_t *vha = shost_priv(sdev->host);
1213 struct qla_hw_data *ha = vha->hw;
8482e118 1214 struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
8474f3a0 1215 fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
2afa19a9 1216 struct req_que *req = vha->req;
8482e118 1217
f4f051eb 1218 if (sdev->tagged_supported)
73208dfd 1219 scsi_activate_tcq(sdev, req->max_q_depth);
f4f051eb 1220 else
73208dfd 1221 scsi_deactivate_tcq(sdev, req->max_q_depth);
1da177e4 1222
85821c90 1223 rport->dev_loss_tmo = ha->port_down_retry_count;
8474f3a0
SV		 1224 if (sdev->type == TYPE_TAPE)
1225 fcport->flags |= FCF_TAPE_PRESENT;
8482e118 1226
f4f051eb 1227 return 0;
1228}
1da177e4 1229
f4f051eb 1230static void
1231qla2xxx_slave_destroy(struct scsi_device *sdev)
1232{
1233 sdev->hostdata = NULL;
1da177e4
LT		 1234}
1235
ce7e4af7
AV		 1236static int
1237qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
1238{
1239 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1240 return sdev->queue_depth;
1241}
1242
1243static int
1244qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1245{
1246 if (sdev->tagged_supported) {
1247 scsi_set_tag_type(sdev, tag_type);
1248 if (tag_type)
1249 scsi_activate_tcq(sdev, sdev->queue_depth);
1250 else
1251 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1252 } else
1253 tag_type = 0;
1254
1255 return tag_type;
1256}
1257
1da177e4
LT		 1258/**
1259 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1260 * @ha: HA context
1261 *
1262 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1263 * supported addressing method.
1264 */
1265static void
53303c42 1266qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1da177e4 1267{
7524f9b9 1268 /* Assume a 32bit DMA mask. */
1da177e4 1269 ha->flags.enable_64bit_addressing = 0;
1da177e4 1270
6a35528a 1271 if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
7524f9b9
AV		 1272 /* Any upper-dword bits set? */
1273 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
6a35528a 1274 !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
7524f9b9 1275 /* Ok, a 64bit DMA mask is applicable. */
1da177e4 1276 ha->flags.enable_64bit_addressing = 1;
fd34f556
AV		 1277 ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1278 ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
7524f9b9 1279 return;
1da177e4 1280 }
1da177e4 1281 }
7524f9b9 1282
284901a9
YH		 1283 dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1284 pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1da177e4
LT		 1285}
1286
fd34f556 1287static void
e315cd28 1288qla2x00_enable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1289{
1290 unsigned long flags = 0;
1291 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1292
1293 spin_lock_irqsave(&ha->hardware_lock, flags);
1294 ha->interrupts_on = 1;
1295 /* enable risc and host interrupts */
1296 WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1297 RD_REG_WORD(&reg->ictrl);
1298 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1299
1300}
1301
1302static void
e315cd28 1303qla2x00_disable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1304{
1305 unsigned long flags = 0;
1306 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1307
1308 spin_lock_irqsave(&ha->hardware_lock, flags);
1309 ha->interrupts_on = 0;
1310 /* disable risc and host interrupts */
1311 WRT_REG_WORD(&reg->ictrl, 0);
1312 RD_REG_WORD(&reg->ictrl);
1313 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1314}
1315
1316static void
e315cd28 1317qla24xx_enable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1318{
1319 unsigned long flags = 0;
1320 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1321
1322 spin_lock_irqsave(&ha->hardware_lock, flags);
1323 ha->interrupts_on = 1;
1324 WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1325 RD_REG_DWORD(&reg->ictrl);
1326 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1327}
1328
1329static void
e315cd28 1330qla24xx_disable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1331{
1332 unsigned long flags = 0;
1333 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1334
124f85e6
AV		 1335 if (IS_NOPOLLING_TYPE(ha))
1336 return;
fd34f556
AV		 1337 spin_lock_irqsave(&ha->hardware_lock, flags);
1338 ha->interrupts_on = 0;
1339 WRT_REG_DWORD(&reg->ictrl, 0);
1340 RD_REG_DWORD(&reg->ictrl);
1341 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1342}
1343
1344static struct isp_operations qla2100_isp_ops = {
1345 .pci_config = qla2100_pci_config,
1346 .reset_chip = qla2x00_reset_chip,
1347 .chip_diag = qla2x00_chip_diag,
1348 .config_rings = qla2x00_config_rings,
1349 .reset_adapter = qla2x00_reset_adapter,
1350 .nvram_config = qla2x00_nvram_config,
1351 .update_fw_options = qla2x00_update_fw_options,
1352 .load_risc = qla2x00_load_risc,
1353 .pci_info_str = qla2x00_pci_info_str,
1354 .fw_version_str = qla2x00_fw_version_str,
1355 .intr_handler = qla2100_intr_handler,
1356 .enable_intrs = qla2x00_enable_intrs,
1357 .disable_intrs = qla2x00_disable_intrs,
1358 .abort_command = qla2x00_abort_command,
523ec773
AV		 1359 .target_reset = qla2x00_abort_target,
1360 .lun_reset = qla2x00_lun_reset,
fd34f556
AV		 1361 .fabric_login = qla2x00_login_fabric,
1362 .fabric_logout = qla2x00_fabric_logout,
1363 .calc_req_entries = qla2x00_calc_iocbs_32,
1364 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1365 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1366 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1367 .read_nvram = qla2x00_read_nvram_data,
1368 .write_nvram = qla2x00_write_nvram_data,
1369 .fw_dump = qla2100_fw_dump,
1370 .beacon_on = NULL,
1371 .beacon_off = NULL,
1372 .beacon_blink = NULL,
1373 .read_optrom = qla2x00_read_optrom_data,
1374 .write_optrom = qla2x00_write_optrom_data,
1375 .get_flash_version = qla2x00_get_flash_version,
e315cd28 1376 .start_scsi = qla2x00_start_scsi,
fd34f556
AV		 1377};
1378
1379static struct isp_operations qla2300_isp_ops = {
1380 .pci_config = qla2300_pci_config,
1381 .reset_chip = qla2x00_reset_chip,
1382 .chip_diag = qla2x00_chip_diag,
1383 .config_rings = qla2x00_config_rings,
1384 .reset_adapter = qla2x00_reset_adapter,
1385 .nvram_config = qla2x00_nvram_config,
1386 .update_fw_options = qla2x00_update_fw_options,
1387 .load_risc = qla2x00_load_risc,
1388 .pci_info_str = qla2x00_pci_info_str,
1389 .fw_version_str = qla2x00_fw_version_str,
1390 .intr_handler = qla2300_intr_handler,
1391 .enable_intrs = qla2x00_enable_intrs,
1392 .disable_intrs = qla2x00_disable_intrs,
1393 .abort_command = qla2x00_abort_command,
523ec773
AV		 1394 .target_reset = qla2x00_abort_target,
1395 .lun_reset = qla2x00_lun_reset,
fd34f556
AV		 1396 .fabric_login = qla2x00_login_fabric,
1397 .fabric_logout = qla2x00_fabric_logout,
1398 .calc_req_entries = qla2x00_calc_iocbs_32,
1399 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1400 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1401 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1402 .read_nvram = qla2x00_read_nvram_data,
1403 .write_nvram = qla2x00_write_nvram_data,
1404 .fw_dump = qla2300_fw_dump,
1405 .beacon_on = qla2x00_beacon_on,
1406 .beacon_off = qla2x00_beacon_off,
1407 .beacon_blink = qla2x00_beacon_blink,
1408 .read_optrom = qla2x00_read_optrom_data,
1409 .write_optrom = qla2x00_write_optrom_data,
1410 .get_flash_version = qla2x00_get_flash_version,
e315cd28 1411 .start_scsi = qla2x00_start_scsi,
fd34f556
AV		 1412};
1413
1414static struct isp_operations qla24xx_isp_ops = {
1415 .pci_config = qla24xx_pci_config,
1416 .reset_chip = qla24xx_reset_chip,
1417 .chip_diag = qla24xx_chip_diag,
1418 .config_rings = qla24xx_config_rings,
1419 .reset_adapter = qla24xx_reset_adapter,
1420 .nvram_config = qla24xx_nvram_config,
1421 .update_fw_options = qla24xx_update_fw_options,
1422 .load_risc = qla24xx_load_risc,
1423 .pci_info_str = qla24xx_pci_info_str,
1424 .fw_version_str = qla24xx_fw_version_str,
1425 .intr_handler = qla24xx_intr_handler,
1426 .enable_intrs = qla24xx_enable_intrs,
1427 .disable_intrs = qla24xx_disable_intrs,
1428 .abort_command = qla24xx_abort_command,
523ec773
AV		 1429 .target_reset = qla24xx_abort_target,
1430 .lun_reset = qla24xx_lun_reset,
fd34f556
AV		 1431 .fabric_login = qla24xx_login_fabric,
1432 .fabric_logout = qla24xx_fabric_logout,
1433 .calc_req_entries = NULL,
1434 .build_iocbs = NULL,
1435 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1436 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1437 .read_nvram = qla24xx_read_nvram_data,
1438 .write_nvram = qla24xx_write_nvram_data,
1439 .fw_dump = qla24xx_fw_dump,
1440 .beacon_on = qla24xx_beacon_on,
1441 .beacon_off = qla24xx_beacon_off,
1442 .beacon_blink = qla24xx_beacon_blink,
1443 .read_optrom = qla24xx_read_optrom_data,
1444 .write_optrom = qla24xx_write_optrom_data,
1445 .get_flash_version = qla24xx_get_flash_version,
e315cd28 1446 .start_scsi = qla24xx_start_scsi,
fd34f556
AV		 1447};
1448
c3a2f0df
AV		 1449static struct isp_operations qla25xx_isp_ops = {
1450 .pci_config = qla25xx_pci_config,
1451 .reset_chip = qla24xx_reset_chip,
1452 .chip_diag = qla24xx_chip_diag,
1453 .config_rings = qla24xx_config_rings,
1454 .reset_adapter = qla24xx_reset_adapter,
1455 .nvram_config = qla24xx_nvram_config,
1456 .update_fw_options = qla24xx_update_fw_options,
1457 .load_risc = qla24xx_load_risc,
1458 .pci_info_str = qla24xx_pci_info_str,
1459 .fw_version_str = qla24xx_fw_version_str,
1460 .intr_handler = qla24xx_intr_handler,
1461 .enable_intrs = qla24xx_enable_intrs,
1462 .disable_intrs = qla24xx_disable_intrs,
1463 .abort_command = qla24xx_abort_command,
523ec773
AV		 1464 .target_reset = qla24xx_abort_target,
1465 .lun_reset = qla24xx_lun_reset,
c3a2f0df
AV		 1466 .fabric_login = qla24xx_login_fabric,
1467 .fabric_logout = qla24xx_fabric_logout,
1468 .calc_req_entries = NULL,
1469 .build_iocbs = NULL,
1470 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1471 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1472 .read_nvram = qla25xx_read_nvram_data,
1473 .write_nvram = qla25xx_write_nvram_data,
1474 .fw_dump = qla25xx_fw_dump,
1475 .beacon_on = qla24xx_beacon_on,
1476 .beacon_off = qla24xx_beacon_off,
1477 .beacon_blink = qla24xx_beacon_blink,
338c9161 1478 .read_optrom = qla25xx_read_optrom_data,
c3a2f0df
AV		 1479 .write_optrom = qla24xx_write_optrom_data,
1480 .get_flash_version = qla24xx_get_flash_version,
e315cd28 1481 .start_scsi = qla24xx_start_scsi,
c3a2f0df
AV		 1482};
1483
3a03eb79
AV		 1484static struct isp_operations qla81xx_isp_ops = {
1485 .pci_config = qla25xx_pci_config,
1486 .reset_chip = qla24xx_reset_chip,
1487 .chip_diag = qla24xx_chip_diag,
1488 .config_rings = qla24xx_config_rings,
1489 .reset_adapter = qla24xx_reset_adapter,
1490 .nvram_config = qla81xx_nvram_config,
1491 .update_fw_options = qla81xx_update_fw_options,
eaac30be 1492 .load_risc = qla81xx_load_risc,
3a03eb79
AV		 1493 .pci_info_str = qla24xx_pci_info_str,
1494 .fw_version_str = qla24xx_fw_version_str,
1495 .intr_handler = qla24xx_intr_handler,
1496 .enable_intrs = qla24xx_enable_intrs,
1497 .disable_intrs = qla24xx_disable_intrs,
1498 .abort_command = qla24xx_abort_command,
1499 .target_reset = qla24xx_abort_target,
1500 .lun_reset = qla24xx_lun_reset,
1501 .fabric_login = qla24xx_login_fabric,
1502 .fabric_logout = qla24xx_fabric_logout,
1503 .calc_req_entries = NULL,
1504 .build_iocbs = NULL,
1505 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1506 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
3d79038f
AV		 1507 .read_nvram = NULL,
1508 .write_nvram = NULL,
3a03eb79
AV		 1509 .fw_dump = qla81xx_fw_dump,
1510 .beacon_on = qla24xx_beacon_on,
1511 .beacon_off = qla24xx_beacon_off,
1512 .beacon_blink = qla24xx_beacon_blink,
1513 .read_optrom = qla25xx_read_optrom_data,
1514 .write_optrom = qla24xx_write_optrom_data,
1515 .get_flash_version = qla24xx_get_flash_version,
1516 .start_scsi = qla24xx_start_scsi,
3a03eb79
AV		 1517};
1518
ea5b6382 1519static inline void
e315cd28 1520qla2x00_set_isp_flags(struct qla_hw_data *ha)
ea5b6382 1521{
1522 ha->device_type = DT_EXTENDED_IDS;
1523 switch (ha->pdev->device) {
1524 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1525 ha->device_type |= DT_ISP2100;
1526 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1527 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382 1528 break;
1529 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1530 ha->device_type |= DT_ISP2200;
1531 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1532 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382 1533 break;
1534 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1535 ha->device_type |= DT_ISP2300;
4a59f71d 1536 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1537 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1538 break;
1539 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1540 ha->device_type |= DT_ISP2312;
4a59f71d 1541 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1542 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1543 break;
1544 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1545 ha->device_type |= DT_ISP2322;
4a59f71d 1546 ha->device_type |= DT_ZIO_SUPPORTED;
ea5b6382 1547 if (ha->pdev->subsystem_vendor == 0x1028 &&
1548 ha->pdev->subsystem_device == 0x0170)
1549 ha->device_type |= DT_OEM_001;
441d1072 1550 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1551 break;
1552 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1553 ha->device_type |= DT_ISP6312;
441d1072 1554 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1555 break;
1556 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1557 ha->device_type |= DT_ISP6322;
441d1072 1558 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1559 break;
1560 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1561 ha->device_type |= DT_ISP2422;
4a59f71d 1562 ha->device_type |= DT_ZIO_SUPPORTED;
e428924c 1563 ha->device_type |= DT_FWI2;
c76f2c01 1564 ha->device_type |= DT_IIDMA;
441d1072 1565 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1566 break;
1567 case PCI_DEVICE_ID_QLOGIC_ISP2432:
1568 ha->device_type |= DT_ISP2432;
4a59f71d 1569 ha->device_type |= DT_ZIO_SUPPORTED;
e428924c 1570 ha->device_type |= DT_FWI2;
c76f2c01 1571 ha->device_type |= DT_IIDMA;
441d1072 1572 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1573 break;
4d4df193
HK		 1574 case PCI_DEVICE_ID_QLOGIC_ISP8432:
1575 ha->device_type |= DT_ISP8432;
1576 ha->device_type |= DT_ZIO_SUPPORTED;
1577 ha->device_type |= DT_FWI2;
1578 ha->device_type |= DT_IIDMA;
1579 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1580 break;
044cc6c8 1581 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1582 ha->device_type |= DT_ISP5422;
e428924c 1583 ha->device_type |= DT_FWI2;
441d1072 1584 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1585 break;
044cc6c8 1586 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1587 ha->device_type |= DT_ISP5432;
e428924c 1588 ha->device_type |= DT_FWI2;
441d1072 1589 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1590 break;
c3a2f0df
AV		 1591 case PCI_DEVICE_ID_QLOGIC_ISP2532:
1592 ha->device_type |= DT_ISP2532;
1593 ha->device_type |= DT_ZIO_SUPPORTED;
1594 ha->device_type |= DT_FWI2;
1595 ha->device_type |= DT_IIDMA;
441d1072 1596 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1597 break;
3a03eb79
AV		 1598 case PCI_DEVICE_ID_QLOGIC_ISP8001:
1599 ha->device_type |= DT_ISP8001;
1600 ha->device_type |= DT_ZIO_SUPPORTED;
1601 ha->device_type |= DT_FWI2;
1602 ha->device_type |= DT_IIDMA;
1603 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1604 break;
ea5b6382 1605 }
e5b68a61
AC		 1606
1607 /* Get adapter physical port no from interrupt pin register. */
1608 pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
1609 if (ha->port_no & 1)
1610 ha->flags.port0 = 1;
1611 else
1612 ha->flags.port0 = 0;
ea5b6382 1613}
1614
1da177e4 1615static int
e315cd28 1616qla2x00_iospace_config(struct qla_hw_data *ha)
1da177e4 1617{
3776541d 1618 resource_size_t pio;
73208dfd 1619 uint16_t msix;
68ca949c 1620 int cpus;
1da177e4 1621
285d0321
AV		 1622 if (pci_request_selected_regions(ha->pdev, ha->bars,
1623 QLA2XXX_DRIVER_NAME)) {
1624 qla_printk(KERN_WARNING, ha,
1625 "Failed to reserve PIO/MMIO regions (%s)\n",
1626 pci_name(ha->pdev));
1627
1628 goto iospace_error_exit;
1629 }
1630 if (!(ha->bars & 1))
1631 goto skip_pio;
1632
1da177e4
LT		 1633 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1634 pio = pci_resource_start(ha->pdev, 0);
3776541d
AV		 1635 if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1636 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1da177e4
LT		 1637 qla_printk(KERN_WARNING, ha,
1638 "Invalid PCI I/O region size (%s)...\n",
1639 pci_name(ha->pdev));
1640 pio = 0;
1641 }
1642 } else {
1643 qla_printk(KERN_WARNING, ha,
1644 "region #0 not a PIO resource (%s)...\n",
1645 pci_name(ha->pdev));
1646 pio = 0;
1647 }
285d0321 1648 ha->pio_address = pio;
1da177e4 1649
285d0321 1650skip_pio:
1da177e4 1651 /* Use MMIO operations for all accesses. */
3776541d 1652 if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1da177e4 1653 qla_printk(KERN_ERR, ha,
3776541d 1654 "region #1 not an MMIO resource (%s), aborting\n",
1da177e4
LT		 1655 pci_name(ha->pdev));
1656 goto iospace_error_exit;
1657 }
3776541d 1658 if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1da177e4
LT		 1659 qla_printk(KERN_ERR, ha,
1660 "Invalid PCI mem region size (%s), aborting\n",
1661 pci_name(ha->pdev));
1662 goto iospace_error_exit;
1663 }
1664
3776541d 1665 ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1da177e4
LT		 1666 if (!ha->iobase) {
1667 qla_printk(KERN_ERR, ha,
1668 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1669
1670 goto iospace_error_exit;
1671 }
1672
73208dfd 1673 /* Determine queue resources */
2afa19a9 1674 ha->max_req_queues = ha->max_rsp_queues = 1;
68ca949c 1675 if ((ql2xmaxqueues <= 1 || ql2xmultique_tag < 1) &&
2afa19a9 1676 (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
17d98630
AC		 1677 goto mqiobase_exit;
1678 ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1679 pci_resource_len(ha->pdev, 3));
1680 if (ha->mqiobase) {
1681 /* Read MSIX vector size of the board */
1682 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1683 ha->msix_count = msix;
68ca949c
AC		 1684 /* Max queues are bounded by available msix vectors */
1685 /* queue 0 uses two msix vectors */
1686 if (ql2xmultique_tag) {
1687 cpus = num_online_cpus();
27dc9c5a 1688 ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ?
68ca949c
AC		 1689 (cpus + 1) : (ha->msix_count - 1);
1690 ha->max_req_queues = 2;
1691 } else if (ql2xmaxqueues > 1) {
2afa19a9
AC		 1692 ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ?
1693 QLA_MQ_SIZE : ql2xmaxqueues;
1694 DEBUG2(qla_printk(KERN_INFO, ha, "QoS mode set, max no"
1695 " of request queues:%d\n", ha->max_req_queues));
1696 }
68ca949c
AC		 1697 qla_printk(KERN_INFO, ha,
1698 "MSI-X vector count: %d\n", msix);
2afa19a9
AC		 1699 } else
1700 qla_printk(KERN_INFO, ha, "BAR 3 not enabled\n");
17d98630
AC		 1701
1702mqiobase_exit:
2afa19a9 1703 ha->msix_count = ha->max_rsp_queues + 1;
1da177e4
LT		 1704 return (0);
1705
1706iospace_error_exit:
1707 return (-ENOMEM);
1708}
1709
1e99e33a
AV		 1710static void
1711qla2xxx_scan_start(struct Scsi_Host *shost)
1712{
e315cd28 1713 scsi_qla_host_t *vha = shost_priv(shost);
1e99e33a 1714
cbc8eb67
AV		 1715 if (vha->hw->flags.running_gold_fw)
1716 return;
1717
e315cd28
AC		 1718 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1719 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1720 set_bit(RSCN_UPDATE, &vha->dpc_flags);
1721 set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
1e99e33a
AV		 1722}
1723
1724static int
1725qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1726{
e315cd28 1727 scsi_qla_host_t *vha = shost_priv(shost);
1e99e33a 1728
e315cd28 1729 if (!vha->host)
1e99e33a 1730 return 1;
e315cd28 1731 if (time > vha->hw->loop_reset_delay * HZ)
1e99e33a
AV		 1732 return 1;
1733
e315cd28 1734 return atomic_read(&vha->loop_state) == LOOP_READY;
1e99e33a
AV		 1735}
1736
1da177e4
LT		 1737/*
1738 * PCI driver interface
1739 */
7ee61397
AV		 1740static int __devinit
1741qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1da177e4 1742{
a1541d5a 1743 int ret = -ENODEV;
1da177e4 1744 struct Scsi_Host *host;
e315cd28
AC		 1745 scsi_qla_host_t *base_vha = NULL;
1746 struct qla_hw_data *ha;
29856e28 1747 char pci_info[30];
1da177e4 1748 char fw_str[30];
5433383e 1749 struct scsi_host_template *sht;
c51da4ec 1750 int bars, max_id, mem_only = 0;
e315cd28 1751 uint16_t req_length = 0, rsp_length = 0;
73208dfd
AC		 1752 struct req_que *req = NULL;
1753 struct rsp_que *rsp = NULL;
1da177e4 1754
285d0321 1755 bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
a5326f86 1756 sht = &qla2xxx_driver_template;
5433383e 1757 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
8bc69e7d 1758 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
4d4df193 1759 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
8bc69e7d 1760 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
c3a2f0df 1761 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
3a03eb79
AV		 1762 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
1763 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001) {
285d0321 1764 bars = pci_select_bars(pdev, IORESOURCE_MEM);
09483916 1765 mem_only = 1;
285d0321
AV		 1766 }
1767
09483916
BH		 1768 if (mem_only) {
1769 if (pci_enable_device_mem(pdev))
1770 goto probe_out;
1771 } else {
1772 if (pci_enable_device(pdev))
1773 goto probe_out;
1774 }
285d0321 1775
0927678f
JB		 1776 /* This may fail but that's ok */
1777 pci_enable_pcie_error_reporting(pdev);
285d0321 1778
e315cd28
AC		 1779 ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
1780 if (!ha) {
1781 DEBUG(printk("Unable to allocate memory for ha\n"));
1782 goto probe_out;
1da177e4 1783 }
e315cd28 1784 ha->pdev = pdev;
1da177e4
LT		 1785
1786 /* Clear our data area */
285d0321 1787 ha->bars = bars;
09483916 1788 ha->mem_only = mem_only;
df4bf0bb 1789 spin_lock_init(&ha->hardware_lock);
1da177e4 1790
ea5b6382 1791 /* Set ISP-type information. */
1792 qla2x00_set_isp_flags(ha);
1da177e4
LT		 1793 /* Configure PCI I/O space */
1794 ret = qla2x00_iospace_config(ha);
a1541d5a 1795 if (ret)
e315cd28 1796 goto probe_hw_failed;
1da177e4 1797
1da177e4 1798 qla_printk(KERN_INFO, ha,
5433383e
AV		 1799 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1800 ha->iobase);
1da177e4 1801
1da177e4 1802 ha->prev_topology = 0;
fca29703 1803 ha->init_cb_size = sizeof(init_cb_t);
d8b45213 1804 ha->link_data_rate = PORT_SPEED_UNKNOWN;
854165f4 1805 ha->optrom_size = OPTROM_SIZE_2300;
1da177e4 1806
abbd8870 1807 /* Assign ISP specific operations. */
e315cd28 1808 max_id = MAX_TARGETS_2200;
1da177e4 1809 if (IS_QLA2100(ha)) {
e315cd28 1810 max_id = MAX_TARGETS_2100;
1da177e4 1811 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
e315cd28
AC		 1812 req_length = REQUEST_ENTRY_CNT_2100;
1813 rsp_length = RESPONSE_ENTRY_CNT_2100;
1814 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
abbd8870 1815 ha->gid_list_info_size = 4;
3a03eb79
AV		 1816 ha->flash_conf_off = ~0;
1817 ha->flash_data_off = ~0;
1818 ha->nvram_conf_off = ~0;
1819 ha->nvram_data_off = ~0;
fd34f556 1820 ha->isp_ops = &qla2100_isp_ops;
1da177e4 1821 } else if (IS_QLA2200(ha)) {
1da177e4 1822 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1823 req_length = REQUEST_ENTRY_CNT_2200;
1824 rsp_length = RESPONSE_ENTRY_CNT_2100;
1825 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
abbd8870 1826 ha->gid_list_info_size = 4;
3a03eb79
AV		 1827 ha->flash_conf_off = ~0;
1828 ha->flash_data_off = ~0;
1829 ha->nvram_conf_off = ~0;
1830 ha->nvram_data_off = ~0;
fd34f556 1831 ha->isp_ops = &qla2100_isp_ops;
fca29703 1832 } else if (IS_QLA23XX(ha)) {
1da177e4 1833 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1834 req_length = REQUEST_ENTRY_CNT_2200;
1835 rsp_length = RESPONSE_ENTRY_CNT_2300;
1836 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
abbd8870 1837 ha->gid_list_info_size = 6;
854165f4 1838 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1839 ha->optrom_size = OPTROM_SIZE_2322;
3a03eb79
AV		 1840 ha->flash_conf_off = ~0;
1841 ha->flash_data_off = ~0;
1842 ha->nvram_conf_off = ~0;
1843 ha->nvram_data_off = ~0;
fd34f556 1844 ha->isp_ops = &qla2300_isp_ops;
4d4df193 1845 } else if (IS_QLA24XX_TYPE(ha)) {
fca29703 1846 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1847 req_length = REQUEST_ENTRY_CNT_24XX;
1848 rsp_length = RESPONSE_ENTRY_CNT_2300;
1849 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2c3dfe3f 1850 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
fca29703 1851 ha->gid_list_info_size = 8;
854165f4 1852 ha->optrom_size = OPTROM_SIZE_24XX;
73208dfd 1853 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
fd34f556 1854 ha->isp_ops = &qla24xx_isp_ops;
3a03eb79
AV		 1855 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
1856 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
1857 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
1858 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
c3a2f0df 1859 } else if (IS_QLA25XX(ha)) {
c3a2f0df 1860 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1861 req_length = REQUEST_ENTRY_CNT_24XX;
1862 rsp_length = RESPONSE_ENTRY_CNT_2300;
1863 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
c3a2f0df 1864 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
c3a2f0df
AV		 1865 ha->gid_list_info_size = 8;
1866 ha->optrom_size = OPTROM_SIZE_25XX;
73208dfd 1867 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
c3a2f0df 1868 ha->isp_ops = &qla25xx_isp_ops;
3a03eb79
AV		 1869 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
1870 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
1871 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
1872 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
1873 } else if (IS_QLA81XX(ha)) {
1874 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1875 req_length = REQUEST_ENTRY_CNT_24XX;
1876 rsp_length = RESPONSE_ENTRY_CNT_2300;
1877 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1878 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
1879 ha->gid_list_info_size = 8;
1880 ha->optrom_size = OPTROM_SIZE_81XX;
40859ae5 1881 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3a03eb79
AV		 1882 ha->isp_ops = &qla81xx_isp_ops;
1883 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
1884 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
1885 ha->nvram_conf_off = ~0;
1886 ha->nvram_data_off = ~0;
1da177e4 1887 }
1da177e4 1888
6c2f527c 1889 mutex_init(&ha->vport_lock);
0b05a1f0
MB		 1890 init_completion(&ha->mbx_cmd_comp);
1891 complete(&ha->mbx_cmd_comp);
1892 init_completion(&ha->mbx_intr_comp);
1da177e4 1893
2c3dfe3f 1894 set_bit(0, (unsigned long *) ha->vp_idx_map);
1da177e4 1895
53303c42 1896 qla2x00_config_dma_addressing(ha);
73208dfd 1897 ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
e315cd28 1898 if (!ret) {
1da177e4
LT		 1899 qla_printk(KERN_WARNING, ha,
1900 "[ERROR] Failed to allocate memory for adapter\n");
1901
e315cd28
AC		 1902 goto probe_hw_failed;
1903 }
1904
73208dfd 1905 req->max_q_depth = MAX_Q_DEPTH;
e315cd28 1906 if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
73208dfd
AC		 1907 req->max_q_depth = ql2xmaxqdepth;
1908
e315cd28
AC		 1909
1910 base_vha = qla2x00_create_host(sht, ha);
1911 if (!base_vha) {
1912 qla_printk(KERN_WARNING, ha,
1913 "[ERROR] Failed to allocate memory for scsi_host\n");
1914
a1541d5a 1915 ret = -ENOMEM;
6e9f21f3 1916 qla2x00_mem_free(ha);
2afa19a9
AC		 1917 qla2x00_free_req_que(ha, req);
1918 qla2x00_free_rsp_que(ha, rsp);
e315cd28 1919 goto probe_hw_failed;
1da177e4
LT		 1920 }
1921
e315cd28
AC		 1922 pci_set_drvdata(pdev, base_vha);
1923
e315cd28 1924 host = base_vha->host;
2afa19a9 1925 base_vha->req = req;
73208dfd
AC		 1926 host->can_queue = req->length + 128;
1927 if (IS_QLA2XXX_MIDTYPE(ha))
e315cd28 1928 base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
73208dfd 1929 else
e315cd28
AC		 1930 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
1931 base_vha->vp_idx;
e315cd28
AC		 1932 if (IS_QLA2100(ha))
1933 host->sg_tablesize = 32;
1934 host->max_id = max_id;
1935 host->this_id = 255;
1936 host->cmd_per_lun = 3;
1937 host->unique_id = host->host_no;
1938 host->max_cmd_len = MAX_CMDSZ;
1939 host->max_channel = MAX_BUSES - 1;
1940 host->max_lun = MAX_LUNS;
1941 host->transportt = qla2xxx_transport_template;
1942
73208dfd
AC		 1943 /* Set up the irqs */
1944 ret = qla2x00_request_irqs(ha, rsp);
1945 if (ret)
6e9f21f3 1946 goto probe_init_failed;
73208dfd 1947 /* Alloc arrays of request and response ring ptrs */
7163ea81 1948que_init:
73208dfd
AC		 1949 if (!qla2x00_alloc_queues(ha)) {
1950 qla_printk(KERN_WARNING, ha,
1951 "[ERROR] Failed to allocate memory for queue"
1952 " pointers\n");
6e9f21f3 1953 goto probe_init_failed;
73208dfd
AC		 1954 }
1955 ha->rsp_q_map[0] = rsp;
1956 ha->req_q_map[0] = req;
2afa19a9
AC		 1957 rsp->req = req;
1958 req->rsp = rsp;
1959 set_bit(0, ha->req_qid_map);
1960 set_bit(0, ha->rsp_qid_map);
08029990
AV		 1961 /* FWI2-capable only. */
1962 req->req_q_in = &ha->iobase->isp24.req_q_in;
1963 req->req_q_out = &ha->iobase->isp24.req_q_out;
1964 rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
1965 rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
17d98630 1966 if (ha->mqenable) {
08029990
AV		 1967 req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
1968 req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
1969 rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
1970 rsp->rsp_q_out = &ha->mqiobase->isp25mq.rsp_q_out;
17d98630
AC		 1971 }
1972
e315cd28 1973 if (qla2x00_initialize_adapter(base_vha)) {
1da177e4
LT		 1974 qla_printk(KERN_WARNING, ha,
1975 "Failed to initialize adapter\n");
1976
1977 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1978 "Adapter flags %x.\n",
e315cd28 1979 base_vha->host_no, base_vha->device_flags));
1da177e4 1980
a1541d5a 1981 ret = -ENODEV;
1da177e4
LT		 1982 goto probe_failed;
1983 }
1984
7163ea81
AC		 1985 if (ha->mqenable) {
1986 if (qla25xx_setup_mode(base_vha)) {
68ca949c
AC		 1987 qla_printk(KERN_WARNING, ha,
1988 "Can't create queues, falling back to single"
1989 " queue mode\n");
7163ea81
AC		 1990 goto que_init;
1991 }
1992 }
68ca949c 1993
cbc8eb67
AV		 1994 if (ha->flags.running_gold_fw)
1995 goto skip_dpc;
1996
1da177e4
LT		 1997 /*
1998 * Startup the kernel thread for this host adapter
1999 */
39a11240 2000 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
e315cd28 2001 "%s_dpc", base_vha->host_str);
39a11240 2002 if (IS_ERR(ha->dpc_thread)) {
1da177e4
LT		 2003 qla_printk(KERN_WARNING, ha,
2004 "Unable to start DPC thread!\n");
39a11240 2005 ret = PTR_ERR(ha->dpc_thread);
1da177e4
LT		 2006 goto probe_failed;
2007 }
1da177e4 2008
cbc8eb67 2009skip_dpc:
e315cd28
AC		 2010 list_add_tail(&base_vha->list, &ha->vp_list);
2011 base_vha->host->irq = ha->pdev->irq;
1da177e4
LT		 2012
2013 /* Initialized the timer */
e315cd28 2014 qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
1da177e4
LT		 2015
2016 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
e315cd28 2017 base_vha->host_no, ha));
d19044c3 2018
e315cd28
AC		 2019 base_vha->flags.init_done = 1;
2020 base_vha->flags.online = 1;
d19044c3 2021
a1541d5a
AV		 2022 ret = scsi_add_host(host, &pdev->dev);
2023 if (ret)
2024 goto probe_failed;
2025
048feec5
AV		 2026 ha->isp_ops->enable_intrs(ha);
2027
1e99e33a
AV		 2028 scsi_scan_host(host);
2029
e315cd28 2030 qla2x00_alloc_sysfs_attr(base_vha);
a1541d5a 2031
e315cd28 2032 qla2x00_init_host_attr(base_vha);
a1541d5a 2033
e315cd28 2034 qla2x00_dfs_setup(base_vha);
df613b96 2035
1da177e4
LT		 2036 qla_printk(KERN_INFO, ha, "\n"
2037 " QLogic Fibre Channel HBA Driver: %s\n"
2038 " QLogic %s - %s\n"
5433383e
AV		 2039 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
2040 qla2x00_version_str, ha->model_number,
e315cd28
AC		 2041 ha->model_desc ? ha->model_desc : "", pdev->device,
2042 ha->isp_ops->pci_info_str(base_vha, pci_info), pci_name(pdev),
2043 ha->flags.enable_64bit_addressing ? '+' : '-', base_vha->host_no,
2044 ha->isp_ops->fw_version_str(base_vha, fw_str));
1da177e4 2045
1da177e4
LT		 2046 return 0;
2047
6e9f21f3 2048probe_init_failed:
2afa19a9
AC		 2049 qla2x00_free_req_que(ha, req);
2050 qla2x00_free_rsp_que(ha, rsp);
2051 ha->max_req_queues = ha->max_rsp_queues = 0;
6e9f21f3 2052
1da177e4 2053probe_failed:
b9978769
AV		 2054 if (base_vha->timer_active)
2055 qla2x00_stop_timer(base_vha);
2056 base_vha->flags.online = 0;
2057 if (ha->dpc_thread) {
2058 struct task_struct *t = ha->dpc_thread;
2059
2060 ha->dpc_thread = NULL;
2061 kthread_stop(t);
2062 }
2063
e315cd28 2064 qla2x00_free_device(base_vha);
1da177e4 2065
e315cd28 2066 scsi_host_put(base_vha->host);
1da177e4 2067
e315cd28
AC		 2068probe_hw_failed:
2069 if (ha->iobase)
2070 iounmap(ha->iobase);
2071
2072 pci_release_selected_regions(ha->pdev, ha->bars);
2073 kfree(ha);
2074 ha = NULL;
1da177e4 2075
a1541d5a 2076probe_out:
e315cd28 2077 pci_disable_device(pdev);
a1541d5a 2078 return ret;
1da177e4 2079}
1da177e4 2080
4c993f76 2081static void
7ee61397 2082qla2x00_remove_one(struct pci_dev *pdev)
1da177e4 2083{
e315cd28
AC		 2084 scsi_qla_host_t *base_vha, *vha, *temp;
2085 struct qla_hw_data *ha;
2086
2087 base_vha = pci_get_drvdata(pdev);
2088 ha = base_vha->hw;
2089
2090 list_for_each_entry_safe(vha, temp, &ha->vp_list, list) {
2091 if (vha && vha->fc_vport)
2092 fc_vport_terminate(vha->fc_vport);
2093 }
1da177e4 2094
e315cd28 2095 set_bit(UNLOADING, &base_vha->dpc_flags);
1da177e4 2096
b9978769
AV		 2097 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
2098
e315cd28 2099 qla2x00_dfs_remove(base_vha);
c795c1e4 2100
e315cd28 2101 qla84xx_put_chip(base_vha);
c795c1e4 2102
b9978769
AV		 2103 /* Disable timer */
2104 if (base_vha->timer_active)
2105 qla2x00_stop_timer(base_vha);
2106
2107 base_vha->flags.online = 0;
2108
68ca949c
AC		 2109 /* Flush the work queue and remove it */
2110 if (ha->wq) {
2111 flush_workqueue(ha->wq);
2112 destroy_workqueue(ha->wq);
2113 ha->wq = NULL;
2114 }
2115
b9978769
AV		 2116 /* Kill the kernel thread for this host */
2117 if (ha->dpc_thread) {
2118 struct task_struct *t = ha->dpc_thread;
2119
2120 /*
2121 * qla2xxx_wake_dpc checks for ->dpc_thread
2122 * so we need to zero it out.
2123 */
2124 ha->dpc_thread = NULL;
2125 kthread_stop(t);
2126 }
2127
e315cd28 2128 qla2x00_free_sysfs_attr(base_vha);
df613b96 2129
e315cd28 2130 fc_remove_host(base_vha->host);
4d4df193 2131
e315cd28 2132 scsi_remove_host(base_vha->host);
1da177e4 2133
e315cd28 2134 qla2x00_free_device(base_vha);
bdf79621 2135
e315cd28 2136 scsi_host_put(base_vha->host);
1da177e4 2137
e315cd28
AC		 2138 if (ha->iobase)
2139 iounmap(ha->iobase);
1da177e4 2140
73208dfd
AC		 2141 if (ha->mqiobase)
2142 iounmap(ha->mqiobase);
2143
e315cd28
AC		 2144 pci_release_selected_regions(ha->pdev, ha->bars);
2145 kfree(ha);
2146 ha = NULL;
1da177e4 2147
665db93b 2148 pci_disable_device(pdev);
1da177e4
LT		 2149 pci_set_drvdata(pdev, NULL);
2150}
1da177e4
LT		 2151
2152static void
e315cd28 2153qla2x00_free_device(scsi_qla_host_t *vha)
1da177e4 2154{
e315cd28 2155 struct qla_hw_data *ha = vha->hw;
1da177e4 2156
2afa19a9
AC		 2157 qla25xx_delete_queues(vha);
2158
df613b96 2159 if (ha->flags.fce_enabled)
e315cd28 2160 qla2x00_disable_fce_trace(vha, NULL, NULL);
df613b96 2161
a7a167bf 2162 if (ha->eft)
e315cd28 2163 qla2x00_disable_eft_trace(vha);
a7a167bf 2164
f6ef3b18 2165 /* Stop currently executing firmware. */
e315cd28 2166 qla2x00_try_to_stop_firmware(vha);
1da177e4 2167
f6ef3b18
AV		 2168 /* turn-off interrupts on the card */
2169 if (ha->interrupts_on)
fd34f556 2170 ha->isp_ops->disable_intrs(ha);
f6ef3b18 2171
e315cd28 2172 qla2x00_free_irqs(vha);
1da177e4 2173
e315cd28 2174 qla2x00_mem_free(ha);
73208dfd
AC		 2175
2176 qla2x00_free_queues(ha);
1da177e4
LT		 2177}
2178
d97994dc 2179static inline void
e315cd28 2180qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
d97994dc 2181 int defer)
2182{
d97994dc 2183 struct fc_rport *rport;
67becc00 2184 scsi_qla_host_t *base_vha;
d97994dc 2185
2186 if (!fcport->rport)
2187 return;
2188
2189 rport = fcport->rport;
2190 if (defer) {
67becc00 2191 base_vha = pci_get_drvdata(vha->hw->pdev);
e315cd28 2192 spin_lock_irq(vha->host->host_lock);
d97994dc 2193 fcport->drport = rport;
e315cd28 2194 spin_unlock_irq(vha->host->host_lock);
67becc00
AV		 2195 set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
2196 qla2xxx_wake_dpc(base_vha);
5f3a9a20 2197 } else
d97994dc 2198 fc_remote_port_delete(rport);
d97994dc 2199}
2200
1da177e4
LT		 2201/*
2202 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
2203 *
2204 * Input: ha = adapter block pointer. fcport = port structure pointer.
2205 *
2206 * Return: None.
2207 *
2208 * Context:
2209 */
e315cd28 2210void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
d97994dc 2211 int do_login, int defer)
1da177e4 2212{
2c3dfe3f 2213 if (atomic_read(&fcport->state) == FCS_ONLINE &&
e315cd28
AC		 2214 vha->vp_idx == fcport->vp_idx) {
2215 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2216 qla2x00_schedule_rport_del(vha, fcport, defer);
2217 }
fa2a1ce5 2218 /*
1da177e4
LT		 2219 * We may need to retry the login, so don't change the state of the
2220 * port but do the retries.
2221 */
2222 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
2223 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2224
2225 if (!do_login)
2226 return;
2227
2228 if (fcport->login_retry == 0) {
e315cd28
AC		 2229 fcport->login_retry = vha->hw->login_retry_count;
2230 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1da177e4
LT		 2231
2232 DEBUG(printk("scsi(%ld): Port login retry: "
2233 "%02x%02x%02x%02x%02x%02x%02x%02x, "
2234 "id = 0x%04x retry cnt=%d\n",
e315cd28 2235 vha->host_no,
1da177e4
LT		 2236 fcport->port_name[0],
2237 fcport->port_name[1],
2238 fcport->port_name[2],
2239 fcport->port_name[3],
2240 fcport->port_name[4],
2241 fcport->port_name[5],
2242 fcport->port_name[6],
2243 fcport->port_name[7],
2244 fcport->loop_id,
2245 fcport->login_retry));
2246 }
2247}
2248
2249/*
2250 * qla2x00_mark_all_devices_lost
2251 * Updates fcport state when device goes offline.
2252 *
2253 * Input:
2254 * ha = adapter block pointer.
2255 * fcport = port structure pointer.
2256 *
2257 * Return:
2258 * None.
2259 *
2260 * Context:
2261 */
2262void
e315cd28 2263qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
1da177e4
LT		 2264{
2265 fc_port_t *fcport;
2266
e315cd28 2267 list_for_each_entry(fcport, &vha->vp_fcports, list) {
0d6e61bc 2268 if (vha->vp_idx != 0 && vha->vp_idx != fcport->vp_idx)
1da177e4 2269 continue;
0d6e61bc 2270
1da177e4
LT		 2271 /*
2272 * No point in marking the device as lost, if the device is
2273 * already DEAD.
2274 */
2275 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
2276 continue;
e315cd28 2277 if (atomic_read(&fcport->state) == FCS_ONLINE) {
0d6e61bc
AV		 2278 if (defer)
2279 qla2x00_schedule_rport_del(vha, fcport, defer);
2280 else if (vha->vp_idx == fcport->vp_idx)
2281 qla2x00_schedule_rport_del(vha, fcport, defer);
2282 }
2283 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1da177e4
LT		 2284 }
2285}
2286
2287/*
2288* qla2x00_mem_alloc
2289* Allocates adapter memory.
2290*
2291* Returns:
2292* 0 = success.
e8711085 2293* !0 = failure.
1da177e4 2294*/
e8711085 2295static int
73208dfd
AC		 2296qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
2297 struct req_que **req, struct rsp_que **rsp)
1da177e4
LT		 2298{
2299 char name[16];
1da177e4 2300
e8711085 2301 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
e315cd28 2302 &ha->init_cb_dma, GFP_KERNEL);
e8711085 2303 if (!ha->init_cb)
e315cd28 2304 goto fail;
e8711085 2305
e315cd28
AC		 2306 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2307 &ha->gid_list_dma, GFP_KERNEL);
2308 if (!ha->gid_list)
e8711085 2309 goto fail_free_init_cb;
1da177e4 2310
e8711085
AV		 2311 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2312 if (!ha->srb_mempool)
e315cd28 2313 goto fail_free_gid_list;
e8711085
AV		 2314
2315 /* Get memory for cached NVRAM */
2316 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2317 if (!ha->nvram)
2318 goto fail_free_srb_mempool;
2319
e315cd28
AC		 2320 snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
2321 ha->pdev->device);
2322 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2323 DMA_POOL_SIZE, 8, 0);
2324 if (!ha->s_dma_pool)
2325 goto fail_free_nvram;
2326
e8711085
AV		 2327 /* Allocate memory for SNS commands */
2328 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
e315cd28 2329 /* Get consistent memory allocated for SNS commands */
e8711085 2330 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
e315cd28 2331 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
e8711085 2332 if (!ha->sns_cmd)
e315cd28 2333 goto fail_dma_pool;
e8711085 2334 } else {
e315cd28 2335 /* Get consistent memory allocated for MS IOCB */
e8711085 2336 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
e315cd28 2337 &ha->ms_iocb_dma);
e8711085 2338 if (!ha->ms_iocb)
e315cd28
AC		 2339 goto fail_dma_pool;
2340 /* Get consistent memory allocated for CT SNS commands */
e8711085 2341 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
e315cd28 2342 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
e8711085
AV		 2343 if (!ha->ct_sns)
2344 goto fail_free_ms_iocb;
1da177e4
LT		 2345 }
2346
e315cd28 2347 /* Allocate memory for request ring */
73208dfd
AC		 2348 *req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
2349 if (!*req) {
e315cd28
AC		 2350 DEBUG(printk("Unable to allocate memory for req\n"));
2351 goto fail_req;
2352 }
73208dfd
AC		 2353 (*req)->length = req_len;
2354 (*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
2355 ((*req)->length + 1) * sizeof(request_t),
2356 &(*req)->dma, GFP_KERNEL);
2357 if (!(*req)->ring) {
e315cd28
AC		 2358 DEBUG(printk("Unable to allocate memory for req_ring\n"));
2359 goto fail_req_ring;
2360 }
2361 /* Allocate memory for response ring */
73208dfd
AC		 2362 *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
2363 if (!*rsp) {
2364 qla_printk(KERN_WARNING, ha,
2365 "Unable to allocate memory for rsp\n");
e315cd28
AC		 2366 goto fail_rsp;
2367 }
73208dfd
AC		 2368 (*rsp)->hw = ha;
2369 (*rsp)->length = rsp_len;
2370 (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
2371 ((*rsp)->length + 1) * sizeof(response_t),
2372 &(*rsp)->dma, GFP_KERNEL);
2373 if (!(*rsp)->ring) {
2374 qla_printk(KERN_WARNING, ha,
2375 "Unable to allocate memory for rsp_ring\n");
e315cd28
AC		 2376 goto fail_rsp_ring;
2377 }
73208dfd
AC		 2378 (*req)->rsp = *rsp;
2379 (*rsp)->req = *req;
2380 /* Allocate memory for NVRAM data for vports */
2381 if (ha->nvram_npiv_size) {
2382 ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
2383 ha->nvram_npiv_size, GFP_KERNEL);
2384 if (!ha->npiv_info) {
2385 qla_printk(KERN_WARNING, ha,
2386 "Unable to allocate memory for npiv info\n");
2387 goto fail_npiv_info;
2388 }
2389 } else
2390 ha->npiv_info = NULL;
e8711085 2391
b64b0e8f
AV		 2392 /* Get consistent memory allocated for EX-INIT-CB. */
2393 if (IS_QLA81XX(ha)) {
2394 ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2395 &ha->ex_init_cb_dma);
2396 if (!ha->ex_init_cb)
2397 goto fail_ex_init_cb;
2398 }
2399
e315cd28
AC		 2400 INIT_LIST_HEAD(&ha->vp_list);
2401 return 1;
2402
b64b0e8f
AV		 2403fail_ex_init_cb:
2404 kfree(ha->npiv_info);
73208dfd
AC		 2405fail_npiv_info:
2406 dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
2407 sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
2408 (*rsp)->ring = NULL;
2409 (*rsp)->dma = 0;
e315cd28 2410fail_rsp_ring:
73208dfd 2411 kfree(*rsp);
e315cd28 2412fail_rsp:
73208dfd
AC		 2413 dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
2414 sizeof(request_t), (*req)->ring, (*req)->dma);
2415 (*req)->ring = NULL;
2416 (*req)->dma = 0;
e315cd28 2417fail_req_ring:
73208dfd 2418 kfree(*req);
e315cd28
AC		 2419fail_req:
2420 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2421 ha->ct_sns, ha->ct_sns_dma);
2422 ha->ct_sns = NULL;
2423 ha->ct_sns_dma = 0;
e8711085
AV		 2424fail_free_ms_iocb:
2425 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2426 ha->ms_iocb = NULL;
2427 ha->ms_iocb_dma = 0;
e315cd28
AC		 2428fail_dma_pool:
2429 dma_pool_destroy(ha->s_dma_pool);
2430 ha->s_dma_pool = NULL;
e8711085
AV		 2431fail_free_nvram:
2432 kfree(ha->nvram);
2433 ha->nvram = NULL;
2434fail_free_srb_mempool:
2435 mempool_destroy(ha->srb_mempool);
2436 ha->srb_mempool = NULL;
e8711085
AV		 2437fail_free_gid_list:
2438 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
e315cd28 2439 ha->gid_list_dma);
e8711085
AV		 2440 ha->gid_list = NULL;
2441 ha->gid_list_dma = 0;
e315cd28
AC		 2442fail_free_init_cb:
2443 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
2444 ha->init_cb_dma);
2445 ha->init_cb = NULL;
2446 ha->init_cb_dma = 0;
e8711085 2447fail:
e315cd28 2448 DEBUG(printk("%s: Memory allocation failure\n", __func__));
e8711085 2449 return -ENOMEM;
1da177e4
LT		 2450}
2451
2452/*
2453* qla2x00_mem_free
2454* Frees all adapter allocated memory.
2455*
2456* Input:
2457* ha = adapter block pointer.
2458*/
a824ebb3 2459static void
e315cd28 2460qla2x00_mem_free(struct qla_hw_data *ha)
1da177e4 2461{
e8711085
AV		 2462 if (ha->srb_mempool)
2463 mempool_destroy(ha->srb_mempool);
1da177e4 2464
df613b96
AV		 2465 if (ha->fce)
2466 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
e315cd28 2467 ha->fce_dma);
df613b96 2468
a7a167bf
AV		 2469 if (ha->fw_dump) {
2470 if (ha->eft)
2471 dma_free_coherent(&ha->pdev->dev,
e315cd28 2472 ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
a7a167bf
AV		 2473 vfree(ha->fw_dump);
2474 }
2475
11bbc1d8
AV		 2476 if (ha->dcbx_tlv)
2477 dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
2478 ha->dcbx_tlv, ha->dcbx_tlv_dma);
2479
ce0423f4
AV		 2480 if (ha->xgmac_data)
2481 dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
2482 ha->xgmac_data, ha->xgmac_data_dma);
2483
1da177e4
LT		 2484 if (ha->sns_cmd)
2485 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
e315cd28 2486 ha->sns_cmd, ha->sns_cmd_dma);
1da177e4
LT		 2487
2488 if (ha->ct_sns)
2489 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
e315cd28 2490 ha->ct_sns, ha->ct_sns_dma);
1da177e4 2491
88729e53
AV		 2492 if (ha->sfp_data)
2493 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2494
ad0ecd61
JC		 2495 if (ha->edc_data)
2496 dma_pool_free(ha->s_dma_pool, ha->edc_data, ha->edc_data_dma);
2497
1da177e4
LT		 2498 if (ha->ms_iocb)
2499 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2500
b64b0e8f
AV		 2501 if (ha->ex_init_cb)
2502 dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
2503
1da177e4
LT		 2504 if (ha->s_dma_pool)
2505 dma_pool_destroy(ha->s_dma_pool);
2506
1da177e4
LT		 2507 if (ha->gid_list)
2508 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
e315cd28 2509 ha->gid_list_dma);
1da177e4 2510
e315cd28
AC		 2511 if (ha->init_cb)
2512 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2513 ha->init_cb, ha->init_cb_dma);
2514 vfree(ha->optrom_buffer);
2515 kfree(ha->nvram);
73208dfd 2516 kfree(ha->npiv_info);
1da177e4 2517
e8711085 2518 ha->srb_mempool = NULL;
a7a167bf
AV		 2519 ha->eft = NULL;
2520 ha->eft_dma = 0;
1da177e4
LT		 2521 ha->sns_cmd = NULL;
2522 ha->sns_cmd_dma = 0;
2523 ha->ct_sns = NULL;
2524 ha->ct_sns_dma = 0;
2525 ha->ms_iocb = NULL;
2526 ha->ms_iocb_dma = 0;
1da177e4
LT		 2527 ha->init_cb = NULL;
2528 ha->init_cb_dma = 0;
b64b0e8f
AV		 2529 ha->ex_init_cb = NULL;
2530 ha->ex_init_cb_dma = 0;
1da177e4
LT		 2531
2532 ha->s_dma_pool = NULL;
2533
1da177e4
LT		 2534 ha->gid_list = NULL;
2535 ha->gid_list_dma = 0;
2536
e315cd28
AC		 2537 ha->fw_dump = NULL;
2538 ha->fw_dumped = 0;
2539 ha->fw_dump_reading = 0;
e315cd28 2540}
1da177e4 2541
e315cd28
AC		 2542struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
2543 struct qla_hw_data *ha)
2544{
2545 struct Scsi_Host *host;
2546 struct scsi_qla_host *vha = NULL;
854165f4 2547
e315cd28
AC		 2548 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
2549 if (host == NULL) {
2550 printk(KERN_WARNING
2551 "qla2xxx: Couldn't allocate host from scsi layer!\n");
2552 goto fail;
2553 }
2554
2555 /* Clear our data area */
2556 vha = shost_priv(host);
2557 memset(vha, 0, sizeof(scsi_qla_host_t));
2558
2559 vha->host = host;
2560 vha->host_no = host->host_no;
2561 vha->hw = ha;
2562
2563 INIT_LIST_HEAD(&vha->vp_fcports);
2564 INIT_LIST_HEAD(&vha->work_list);
2565 INIT_LIST_HEAD(&vha->list);
2566
f999f4c1
AV		 2567 spin_lock_init(&vha->work_lock);
2568
e315cd28
AC		 2569 sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
2570 return vha;
2571
2572fail:
2573 return vha;
1da177e4
LT		 2574}
2575
01ef66bb 2576static struct qla_work_evt *
f999f4c1 2577qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
0971de7f
AV		 2578{
2579 struct qla_work_evt *e;
2580
f999f4c1 2581 e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
0971de7f
AV		 2582 if (!e)
2583 return NULL;
2584
2585 INIT_LIST_HEAD(&e->list);
2586 e->type = type;
2587 e->flags = QLA_EVT_FLAG_FREE;
2588 return e;
2589}
2590
01ef66bb 2591static int
f999f4c1 2592qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
0971de7f 2593{
f999f4c1 2594 unsigned long flags;
0971de7f 2595
f999f4c1 2596 spin_lock_irqsave(&vha->work_lock, flags);
e315cd28 2597 list_add_tail(&e->list, &vha->work_list);
f999f4c1 2598 spin_unlock_irqrestore(&vha->work_lock, flags);
e315cd28 2599 qla2xxx_wake_dpc(vha);
f999f4c1 2600
0971de7f
AV		 2601 return QLA_SUCCESS;
2602}
2603
2604int
e315cd28 2605qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
0971de7f
AV		 2606 u32 data)
2607{
2608 struct qla_work_evt *e;
2609
f999f4c1 2610 e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
0971de7f
AV		 2611 if (!e)
2612 return QLA_FUNCTION_FAILED;
2613
2614 e->u.aen.code = code;
2615 e->u.aen.data = data;
f999f4c1 2616 return qla2x00_post_work(vha, e);
0971de7f
AV		 2617}
2618
8a659571
AV		 2619int
2620qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
2621{
2622 struct qla_work_evt *e;
2623
f999f4c1 2624 e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
8a659571
AV		 2625 if (!e)
2626 return QLA_FUNCTION_FAILED;
2627
2628 memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
f999f4c1 2629 return qla2x00_post_work(vha, e);
8a659571
AV		 2630}
2631
ac280b67
AV		 2632#define qla2x00_post_async_work(name, type) \
2633int qla2x00_post_async_##name##_work( \
2634 struct scsi_qla_host *vha, \
2635 fc_port_t *fcport, uint16_t *data) \
2636{ \
2637 struct qla_work_evt *e; \
2638 \
2639 e = qla2x00_alloc_work(vha, type); \
2640 if (!e) \
2641 return QLA_FUNCTION_FAILED; \
2642 \
2643 e->u.logio.fcport = fcport; \
2644 if (data) { \
2645 e->u.logio.data[0] = data[0]; \
2646 e->u.logio.data[1] = data[1]; \
2647 } \
2648 return qla2x00_post_work(vha, e); \
2649}
2650
2651qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
2652qla2x00_post_async_work(login_done, QLA_EVT_ASYNC_LOGIN_DONE);
2653qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
2654qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE);
2655
2656void
e315cd28 2657qla2x00_do_work(struct scsi_qla_host *vha)
0971de7f 2658{
f999f4c1
AV		 2659 struct qla_work_evt *e, *tmp;
2660 unsigned long flags;
2661 LIST_HEAD(work);
0971de7f 2662
f999f4c1
AV		 2663 spin_lock_irqsave(&vha->work_lock, flags);
2664 list_splice_init(&vha->work_list, &work);
2665 spin_unlock_irqrestore(&vha->work_lock, flags);
2666
2667 list_for_each_entry_safe(e, tmp, &work, list) {
0971de7f 2668 list_del_init(&e->list);
0971de7f
AV		 2669
2670 switch (e->type) {
2671 case QLA_EVT_AEN:
e315cd28 2672 fc_host_post_event(vha->host, fc_get_event_number(),
0971de7f
AV		 2673 e->u.aen.code, e->u.aen.data);
2674 break;
8a659571
AV		 2675 case QLA_EVT_IDC_ACK:
2676 qla81xx_idc_ack(vha, e->u.idc_ack.mb);
2677 break;
ac280b67
AV		 2678 case QLA_EVT_ASYNC_LOGIN:
2679 qla2x00_async_login(vha, e->u.logio.fcport,
2680 e->u.logio.data);
2681 break;
2682 case QLA_EVT_ASYNC_LOGIN_DONE:
2683 qla2x00_async_login_done(vha, e->u.logio.fcport,
2684 e->u.logio.data);
2685 break;
2686 case QLA_EVT_ASYNC_LOGOUT:
2687 qla2x00_async_logout(vha, e->u.logio.fcport);
2688 break;
2689 case QLA_EVT_ASYNC_LOGOUT_DONE:
2690 qla2x00_async_logout_done(vha, e->u.logio.fcport,
2691 e->u.logio.data);
2692 break;
0971de7f
AV		 2693 }
2694 if (e->flags & QLA_EVT_FLAG_FREE)
2695 kfree(e);
e315cd28 2696 }
e315cd28 2697}
f999f4c1 2698
e315cd28
AC		 2699/* Relogins all the fcports of a vport
2700 * Context: dpc thread
2701 */
2702void qla2x00_relogin(struct scsi_qla_host *vha)
2703{
2704 fc_port_t *fcport;
c6b2fca8 2705 int status;
e315cd28
AC		 2706 uint16_t next_loopid = 0;
2707 struct qla_hw_data *ha = vha->hw;
ac280b67 2708 uint16_t data[2];
e315cd28
AC		 2709
2710 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2711 /*
2712 * If the port is not ONLINE then try to login
2713 * to it if we haven't run out of retries.
2714 */
2715 if (atomic_read(&fcport->state) !=
2716 FCS_ONLINE && fcport->login_retry) {
2717
ac280b67 2718 fcport->login_retry--;
e315cd28
AC		 2719 if (fcport->flags & FCF_FABRIC_DEVICE) {
2720 if (fcport->flags & FCF_TAPE_PRESENT)
2721 ha->isp_ops->fabric_logout(vha,
2722 fcport->loop_id,
2723 fcport->d_id.b.domain,
2724 fcport->d_id.b.area,
2725 fcport->d_id.b.al_pa);
2726
ac280b67
AV		 2727 if (IS_ALOGIO_CAPABLE(ha)) {
2728 data[0] = 0;
2729 data[1] = QLA_LOGIO_LOGIN_RETRIED;
2730 status = qla2x00_post_async_login_work(
2731 vha, fcport, data);
2732 if (status == QLA_SUCCESS)
2733 continue;
2734 /* Attempt a retry. */
2735 status = 1;
2736 } else
2737 status = qla2x00_fabric_login(vha,
2738 fcport, &next_loopid);
e315cd28
AC		 2739 } else
2740 status = qla2x00_local_device_login(vha,
2741 fcport);
2742
e315cd28
AC		 2743 if (status == QLA_SUCCESS) {
2744 fcport->old_loop_id = fcport->loop_id;
2745
2746 DEBUG(printk("scsi(%ld): port login OK: logged "
2747 "in ID 0x%x\n", vha->host_no, fcport->loop_id));
2748
2749 qla2x00_update_fcport(vha, fcport);
2750
2751 } else if (status == 1) {
2752 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2753 /* retry the login again */
2754 DEBUG(printk("scsi(%ld): Retrying"
2755 " %d login again loop_id 0x%x\n",
2756 vha->host_no, fcport->login_retry,
2757 fcport->loop_id));
2758 } else {
2759 fcport->login_retry = 0;
2760 }
2761
2762 if (fcport->login_retry == 0 && status != QLA_SUCCESS)
2763 fcport->loop_id = FC_NO_LOOP_ID;
2764 }
2765 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2766 break;
0971de7f 2767 }
0971de7f
AV		 2768}
2769
1da177e4
LT		 2770/**************************************************************************
2771* qla2x00_do_dpc
2772* This kernel thread is a task that is schedule by the interrupt handler
2773* to perform the background processing for interrupts.
2774*
2775* Notes:
2776* This task always run in the context of a kernel thread. It
2777* is kick-off by the driver's detect code and starts up
2778* up one per adapter. It immediately goes to sleep and waits for
2779* some fibre event. When either the interrupt handler or
2780* the timer routine detects a event it will one of the task
2781* bits then wake us up.
2782**************************************************************************/
2783static int
2784qla2x00_do_dpc(void *data)
2785{
2c3dfe3f 2786 int rval;
e315cd28
AC		 2787 scsi_qla_host_t *base_vha;
2788 struct qla_hw_data *ha;
1da177e4 2789
e315cd28
AC		 2790 ha = (struct qla_hw_data *)data;
2791 base_vha = pci_get_drvdata(ha->pdev);
1da177e4 2792
1da177e4
LT		 2793 set_user_nice(current, -20);
2794
39a11240 2795 while (!kthread_should_stop()) {
1da177e4
LT		 2796 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2797
39a11240
CH		 2798 set_current_state(TASK_INTERRUPTIBLE);
2799 schedule();
2800 __set_current_state(TASK_RUNNING);
1da177e4
LT		 2801
2802 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2803
2804 /* Initialization not yet finished. Don't do anything yet. */
e315cd28 2805 if (!base_vha->flags.init_done)
1da177e4
LT		 2806 continue;
2807
e315cd28 2808 DEBUG3(printk("scsi(%ld): DPC handler\n", base_vha->host_no));
1da177e4
LT		 2809
2810 ha->dpc_active = 1;
2811
1da177e4 2812 if (ha->flags.mbox_busy) {
1da177e4
LT		 2813 ha->dpc_active = 0;
2814 continue;
2815 }
2816
e315cd28 2817 qla2x00_do_work(base_vha);
0971de7f 2818
e315cd28
AC		 2819 if (test_and_clear_bit(ISP_ABORT_NEEDED,
2820 &base_vha->dpc_flags)) {
1da177e4
LT		 2821
2822 DEBUG(printk("scsi(%ld): dpc: sched "
2823 "qla2x00_abort_isp ha = %p\n",
e315cd28 2824 base_vha->host_no, ha));
1da177e4 2825 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
e315cd28 2826 &base_vha->dpc_flags))) {
1da177e4 2827
e315cd28 2828 if (qla2x00_abort_isp(base_vha)) {
1da177e4
LT		 2829 /* failed. retry later */
2830 set_bit(ISP_ABORT_NEEDED,
e315cd28 2831 &base_vha->dpc_flags);
99363ef8 2832 }
e315cd28
AC		 2833 clear_bit(ABORT_ISP_ACTIVE,
2834 &base_vha->dpc_flags);
99363ef8
SJ		 2835 }
2836
1da177e4 2837 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
e315cd28 2838 base_vha->host_no));
1da177e4
LT		 2839 }
2840
e315cd28
AC		 2841 if (test_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags)) {
2842 qla2x00_update_fcports(base_vha);
2843 clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
c9c5ced9 2844 }
d97994dc 2845
e315cd28
AC		 2846 if (test_and_clear_bit(RESET_MARKER_NEEDED,
2847 &base_vha->dpc_flags) &&
2848 (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
1da177e4
LT		 2849
2850 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
e315cd28 2851 base_vha->host_no));
1da177e4 2852
e315cd28
AC		 2853 qla2x00_rst_aen(base_vha);
2854 clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
1da177e4
LT		 2855 }
2856
2857 /* Retry each device up to login retry count */
e315cd28
AC		 2858 if ((test_and_clear_bit(RELOGIN_NEEDED,
2859 &base_vha->dpc_flags)) &&
2860 !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
2861 atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
1da177e4
LT		 2862
2863 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
e315cd28
AC		 2864 base_vha->host_no));
2865 qla2x00_relogin(base_vha);
2866
1da177e4 2867 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
e315cd28 2868 base_vha->host_no));
1da177e4
LT		 2869 }
2870
e315cd28
AC		 2871 if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
2872 &base_vha->dpc_flags)) {
1da177e4
LT		 2873
2874 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
e315cd28 2875 base_vha->host_no));
1da177e4
LT		 2876
2877 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
e315cd28 2878 &base_vha->dpc_flags))) {
1da177e4 2879
e315cd28 2880 rval = qla2x00_loop_resync(base_vha);
1da177e4 2881
e315cd28
AC		 2882 clear_bit(LOOP_RESYNC_ACTIVE,
2883 &base_vha->dpc_flags);
1da177e4
LT		 2884 }
2885
2886 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
e315cd28 2887 base_vha->host_no));
1da177e4
LT		 2888 }
2889
e315cd28
AC		 2890 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
2891 atomic_read(&base_vha->loop_state) == LOOP_READY) {
2892 clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
2893 qla2xxx_flash_npiv_conf(base_vha);
272976ca
AV		 2894 }
2895
1da177e4 2896 if (!ha->interrupts_on)
fd34f556 2897 ha->isp_ops->enable_intrs(ha);
1da177e4 2898
e315cd28
AC		 2899 if (test_and_clear_bit(BEACON_BLINK_NEEDED,
2900 &base_vha->dpc_flags))
2901 ha->isp_ops->beacon_blink(base_vha);
f6df144c 2902
e315cd28 2903 qla2x00_do_dpc_all_vps(base_vha);
2c3dfe3f 2904
1da177e4
LT		 2905 ha->dpc_active = 0;
2906 } /* End of while(1) */
2907
e315cd28 2908 DEBUG(printk("scsi(%ld): DPC handler exiting\n", base_vha->host_no));
1da177e4
LT		 2909
2910 /*
2911 * Make sure that nobody tries to wake us up again.
2912 */
1da177e4
LT		 2913 ha->dpc_active = 0;
2914
ac280b67
AV		 2915 /* Cleanup any residual CTX SRBs. */
2916 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
2917
39a11240
CH		 2918 return 0;
2919}
2920
2921void
e315cd28 2922qla2xxx_wake_dpc(struct scsi_qla_host *vha)
39a11240 2923{
e315cd28 2924 struct qla_hw_data *ha = vha->hw;
c795c1e4
AV		 2925 struct task_struct *t = ha->dpc_thread;
2926
e315cd28 2927 if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
c795c1e4 2928 wake_up_process(t);
1da177e4
LT		 2929}
2930
1da177e4
LT		 2931/*
2932* qla2x00_rst_aen
2933* Processes asynchronous reset.
2934*
2935* Input:
2936* ha = adapter block pointer.
2937*/
2938static void
e315cd28 2939qla2x00_rst_aen(scsi_qla_host_t *vha)
1da177e4 2940{
e315cd28
AC		 2941 if (vha->flags.online && !vha->flags.reset_active &&
2942 !atomic_read(&vha->loop_down_timer) &&
2943 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
1da177e4 2944 do {
e315cd28 2945 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
1da177e4
LT		 2946
2947 /*
2948 * Issue marker command only when we are going to start
2949 * the I/O.
2950 */
e315cd28
AC		 2951 vha->marker_needed = 1;
2952 } while (!atomic_read(&vha->loop_down_timer) &&
2953 (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
1da177e4
LT		 2954 }
2955}
2956
f4f051eb 2957static void
e315cd28 2958qla2x00_sp_free_dma(srb_t *sp)
f4f051eb 2959{
2960 struct scsi_cmnd *cmd = sp->cmd;
2961
2962 if (sp->flags & SRB_DMA_VALID) {
385d70b4 2963 scsi_dma_unmap(cmd);
f4f051eb 2964 sp->flags &= ~SRB_DMA_VALID;
2965 }
fca29703 2966 CMD_SP(cmd) = NULL;
f4f051eb 2967}
2968
2969void
73208dfd 2970qla2x00_sp_compl(struct qla_hw_data *ha, srb_t *sp)
f4f051eb 2971{
2972 struct scsi_cmnd *cmd = sp->cmd;
2973
e315cd28 2974 qla2x00_sp_free_dma(sp);
f4f051eb 2975
f4f051eb 2976 mempool_free(sp, ha->srb_mempool);
2977
2978 cmd->scsi_done(cmd);
2979}
bdf79621 2980
1da177e4
LT		 2981/**************************************************************************
2982* qla2x00_timer
2983*
2984* Description:
2985* One second timer
2986*
2987* Context: Interrupt
2988***************************************************************************/
2c3dfe3f 2989void
e315cd28 2990qla2x00_timer(scsi_qla_host_t *vha)
1da177e4 2991{
1da177e4
LT		 2992 unsigned long cpu_flags = 0;
2993 fc_port_t *fcport;
1da177e4
LT		 2994 int start_dpc = 0;
2995 int index;
2996 srb_t *sp;
f4f051eb 2997 int t;
e315cd28 2998 struct qla_hw_data *ha = vha->hw;
73208dfd 2999 struct req_que *req;
1da177e4
LT		 3000 /*
3001 * Ports - Port down timer.
3002 *
3003 * Whenever, a port is in the LOST state we start decrementing its port
3004 * down timer every second until it reaches zero. Once it reaches zero
fa2a1ce5 3005 * the port it marked DEAD.
1da177e4
LT		 3006 */
3007 t = 0;
e315cd28 3008 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1da177e4
LT		 3009 if (fcport->port_type != FCT_TARGET)
3010 continue;
3011
3012 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
3013
3014 if (atomic_read(&fcport->port_down_timer) == 0)
3015 continue;
3016
fa2a1ce5 3017 if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
1da177e4 3018 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
fa2a1ce5 3019
1da177e4 3020 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
fca29703 3021 "%d remaining\n",
e315cd28 3022 vha->host_no,
1da177e4
LT		 3023 t, atomic_read(&fcport->port_down_timer)));
3024 }
3025 t++;
3026 } /* End of for fcport */
3027
1da177e4
LT		 3028
3029 /* Loop down handler. */
e315cd28
AC		 3030 if (atomic_read(&vha->loop_down_timer) > 0 &&
3031 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
3032 && vha->flags.online) {
1da177e4 3033
e315cd28
AC		 3034 if (atomic_read(&vha->loop_down_timer) ==
3035 vha->loop_down_abort_time) {
1da177e4
LT		 3036
3037 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
3038 "queues before time expire\n",
e315cd28 3039 vha->host_no));
1da177e4 3040
e315cd28
AC		 3041 if (!IS_QLA2100(ha) && vha->link_down_timeout)
3042 atomic_set(&vha->loop_state, LOOP_DEAD);
1da177e4
LT		 3043
3044 /* Schedule an ISP abort to return any tape commands. */
2c3dfe3f 3045 /* NPIV - scan physical port only */
e315cd28 3046 if (!vha->vp_idx) {
2c3dfe3f
SJ		 3047 spin_lock_irqsave(&ha->hardware_lock,
3048 cpu_flags);
73208dfd 3049 req = ha->req_q_map[0];
2c3dfe3f
SJ		 3050 for (index = 1;
3051 index < MAX_OUTSTANDING_COMMANDS;
3052 index++) {
3053 fc_port_t *sfcp;
3054
e315cd28 3055 sp = req->outstanding_cmds[index];
2c3dfe3f
SJ		 3056 if (!sp)
3057 continue;
cf53b069
AV		 3058 if (sp->ctx)
3059 continue;
2c3dfe3f
SJ		 3060 sfcp = sp->fcport;
3061 if (!(sfcp->flags & FCF_TAPE_PRESENT))
3062 continue;
bdf79621 3063
2c3dfe3f 3064 set_bit(ISP_ABORT_NEEDED,
e315cd28 3065 &vha->dpc_flags);
2c3dfe3f
SJ		 3066 break;
3067 }
3068 spin_unlock_irqrestore(&ha->hardware_lock,
e315cd28 3069 cpu_flags);
1da177e4 3070 }
1da177e4
LT		 3071 start_dpc++;
3072 }
3073
3074 /* if the loop has been down for 4 minutes, reinit adapter */
e315cd28 3075 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
0d6e61bc 3076 if (!(vha->device_flags & DFLG_NO_CABLE)) {
1da177e4
LT		 3077 DEBUG(printk("scsi(%ld): Loop down - "
3078 "aborting ISP.\n",
e315cd28 3079 vha->host_no));
1da177e4
LT		 3080 qla_printk(KERN_WARNING, ha,
3081 "Loop down - aborting ISP.\n");
3082
e315cd28 3083 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 3084 }
3085 }
fca29703 3086 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
e315cd28
AC		 3087 vha->host_no,
3088 atomic_read(&vha->loop_down_timer)));
1da177e4
LT		 3089 }
3090
f6df144c 3091 /* Check if beacon LED needs to be blinked */
3092 if (ha->beacon_blink_led == 1) {
e315cd28 3093 set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
f6df144c 3094 start_dpc++;
3095 }
3096
550bf57d 3097 /* Process any deferred work. */
e315cd28 3098 if (!list_empty(&vha->work_list))
550bf57d
AV		 3099 start_dpc++;
3100
1da177e4 3101 /* Schedule the DPC routine if needed */
e315cd28
AC		 3102 if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
3103 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
3104 test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
1da177e4 3105 start_dpc ||
e315cd28
AC		 3106 test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
3107 test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
3108 test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
3109 test_bit(RELOGIN_NEEDED, &vha->dpc_flags)))
3110 qla2xxx_wake_dpc(vha);
1da177e4 3111
e315cd28 3112 qla2x00_restart_timer(vha, WATCH_INTERVAL);
1da177e4
LT		 3113}
3114
5433383e
AV		 3115/* Firmware interface routines. */
3116
3a03eb79 3117#define FW_BLOBS 7
5433383e
AV		 3118#define FW_ISP21XX 0
3119#define FW_ISP22XX 1
3120#define FW_ISP2300 2
3121#define FW_ISP2322 3
48c02fde 3122#define FW_ISP24XX 4
c3a2f0df 3123#define FW_ISP25XX 5
3a03eb79 3124#define FW_ISP81XX 6
5433383e 3125
bb8ee499
AV		 3126#define FW_FILE_ISP21XX "ql2100_fw.bin"
3127#define FW_FILE_ISP22XX "ql2200_fw.bin"
3128#define FW_FILE_ISP2300 "ql2300_fw.bin"
3129#define FW_FILE_ISP2322 "ql2322_fw.bin"
3130#define FW_FILE_ISP24XX "ql2400_fw.bin"
c3a2f0df 3131#define FW_FILE_ISP25XX "ql2500_fw.bin"
3a03eb79 3132#define FW_FILE_ISP81XX "ql8100_fw.bin"
bb8ee499 3133
e1e82b6f 3134static DEFINE_MUTEX(qla_fw_lock);
5433383e
AV		 3135
3136static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
bb8ee499
AV		 3137 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
3138 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
3139 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
3140 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
3141 { .name = FW_FILE_ISP24XX, },
c3a2f0df 3142 { .name = FW_FILE_ISP25XX, },
3a03eb79 3143 { .name = FW_FILE_ISP81XX, },
5433383e
AV		 3144};
3145
3146struct fw_blob *
e315cd28 3147qla2x00_request_firmware(scsi_qla_host_t *vha)
5433383e 3148{
e315cd28 3149 struct qla_hw_data *ha = vha->hw;
5433383e
AV		 3150 struct fw_blob *blob;
3151
3152 blob = NULL;
3153 if (IS_QLA2100(ha)) {
3154 blob = &qla_fw_blobs[FW_ISP21XX];
3155 } else if (IS_QLA2200(ha)) {
3156 blob = &qla_fw_blobs[FW_ISP22XX];
48c02fde 3157 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
5433383e 3158 blob = &qla_fw_blobs[FW_ISP2300];
48c02fde 3159 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
5433383e 3160 blob = &qla_fw_blobs[FW_ISP2322];
4d4df193 3161 } else if (IS_QLA24XX_TYPE(ha)) {
5433383e 3162 blob = &qla_fw_blobs[FW_ISP24XX];
c3a2f0df
AV		 3163 } else if (IS_QLA25XX(ha)) {
3164 blob = &qla_fw_blobs[FW_ISP25XX];
3a03eb79
AV		 3165 } else if (IS_QLA81XX(ha)) {
3166 blob = &qla_fw_blobs[FW_ISP81XX];
5433383e
AV		 3167 }
3168
e1e82b6f 3169 mutex_lock(&qla_fw_lock);
5433383e
AV		 3170 if (blob->fw)
3171 goto out;
3172
3173 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
3174 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
e315cd28 3175 "(%s).\n", vha->host_no, blob->name));
5433383e
AV		 3176 blob->fw = NULL;
3177 blob = NULL;
3178 goto out;
3179 }
3180
3181out:
e1e82b6f 3182 mutex_unlock(&qla_fw_lock);
5433383e
AV		 3183 return blob;
3184}
3185
3186static void
3187qla2x00_release_firmware(void)
3188{
3189 int idx;
3190
e1e82b6f 3191 mutex_lock(&qla_fw_lock);
5433383e
AV		 3192 for (idx = 0; idx < FW_BLOBS; idx++)
3193 if (qla_fw_blobs[idx].fw)
3194 release_firmware(qla_fw_blobs[idx].fw);
e1e82b6f 3195 mutex_unlock(&qla_fw_lock);
5433383e
AV		 3196}
3197
14e660e6
SJ		 3198static pci_ers_result_t
3199qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
3200{
b9b12f73
SJ		 3201 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3202
14e660e6
SJ		 3203 switch (state) {
3204 case pci_channel_io_normal:
3205 return PCI_ERS_RESULT_CAN_RECOVER;
3206 case pci_channel_io_frozen:
3207 pci_disable_device(pdev);
3208 return PCI_ERS_RESULT_NEED_RESET;
3209 case pci_channel_io_perm_failure:
b9b12f73 3210 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
14e660e6
SJ		 3211 return PCI_ERS_RESULT_DISCONNECT;
3212 }
3213 return PCI_ERS_RESULT_NEED_RESET;
3214}
3215
3216static pci_ers_result_t
3217qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
3218{
3219 int risc_paused = 0;
3220 uint32_t stat;
3221 unsigned long flags;
e315cd28
AC		 3222 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3223 struct qla_hw_data *ha = base_vha->hw;
14e660e6
SJ		 3224 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3225 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
3226
3227 spin_lock_irqsave(&ha->hardware_lock, flags);
3228 if (IS_QLA2100(ha) || IS_QLA2200(ha)){
3229 stat = RD_REG_DWORD(&reg->hccr);
3230 if (stat & HCCR_RISC_PAUSE)
3231 risc_paused = 1;
3232 } else if (IS_QLA23XX(ha)) {
3233 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
3234 if (stat & HSR_RISC_PAUSED)
3235 risc_paused = 1;
3236 } else if (IS_FWI2_CAPABLE(ha)) {
3237 stat = RD_REG_DWORD(&reg24->host_status);
3238 if (stat & HSRX_RISC_PAUSED)
3239 risc_paused = 1;
3240 }
3241 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3242
3243 if (risc_paused) {
3244 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
3245 "Dumping firmware!\n");
e315cd28 3246 ha->isp_ops->fw_dump(base_vha, 0);
14e660e6
SJ		 3247
3248 return PCI_ERS_RESULT_NEED_RESET;
3249 } else
3250 return PCI_ERS_RESULT_RECOVERED;
3251}
3252
3253static pci_ers_result_t
3254qla2xxx_pci_slot_reset(struct pci_dev *pdev)
3255{
3256 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
e315cd28
AC		 3257 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3258 struct qla_hw_data *ha = base_vha->hw;
09483916
BH		 3259 int rc;
3260
3261 if (ha->mem_only)
3262 rc = pci_enable_device_mem(pdev);
3263 else
3264 rc = pci_enable_device(pdev);
14e660e6 3265
09483916 3266 if (rc) {
14e660e6
SJ		 3267 qla_printk(KERN_WARNING, ha,
3268 "Can't re-enable PCI device after reset.\n");
3269
3270 return ret;
3271 }
3272 pci_set_master(pdev);
3273
e315cd28 3274 if (ha->isp_ops->pci_config(base_vha))
14e660e6
SJ		 3275 return ret;
3276
e315cd28
AC		 3277 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3278 if (qla2x00_abort_isp(base_vha) == QLA_SUCCESS)
14e660e6 3279 ret = PCI_ERS_RESULT_RECOVERED;
e315cd28 3280 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
14e660e6
SJ		 3281
3282 return ret;
3283}
3284
3285static void
3286qla2xxx_pci_resume(struct pci_dev *pdev)
3287{
e315cd28
AC		 3288 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3289 struct qla_hw_data *ha = base_vha->hw;
14e660e6
SJ		 3290 int ret;
3291
e315cd28 3292 ret = qla2x00_wait_for_hba_online(base_vha);
14e660e6
SJ		 3293 if (ret != QLA_SUCCESS) {
3294 qla_printk(KERN_ERR, ha,
3295 "the device failed to resume I/O "
3296 "from slot/link_reset");
3297 }
3298 pci_cleanup_aer_uncorrect_error_status(pdev);
3299}
3300
3301static struct pci_error_handlers qla2xxx_err_handler = {
3302 .error_detected = qla2xxx_pci_error_detected,
3303 .mmio_enabled = qla2xxx_pci_mmio_enabled,
3304 .slot_reset = qla2xxx_pci_slot_reset,
3305 .resume = qla2xxx_pci_resume,
3306};
3307
5433383e 3308static struct pci_device_id qla2xxx_pci_tbl[] = {
47f5e069
AV		 3309 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
3310 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
3311 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
3312 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
3313 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
3314 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
3315 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
3316 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
3317 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
4d4df193 3318 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
47f5e069
AV		 3319 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
3320 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
c3a2f0df 3321 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
3a03eb79 3322 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
5433383e
AV		 3323 { 0 },
3324};
3325MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
3326
fca29703 3327static struct pci_driver qla2xxx_pci_driver = {
cb63067a 3328 .name = QLA2XXX_DRIVER_NAME,
0a21ef1e
JB		 3329 .driver = {
3330 .owner = THIS_MODULE,
3331 },
fca29703 3332 .id_table = qla2xxx_pci_tbl,
7ee61397 3333 .probe = qla2x00_probe_one,
4c993f76 3334 .remove = qla2x00_remove_one,
14e660e6 3335 .err_handler = &qla2xxx_err_handler,
fca29703
AV		 3336};
3337
1da177e4
LT		 3338/**
3339 * qla2x00_module_init - Module initialization.
3340 **/
3341static int __init
3342qla2x00_module_init(void)
3343{
fca29703
AV		 3344 int ret = 0;
3345
1da177e4 3346 /* Allocate cache for SRBs. */
354d6b21 3347 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
20c2df83 3348 SLAB_HWCACHE_ALIGN, NULL);
1da177e4
LT		 3349 if (srb_cachep == NULL) {
3350 printk(KERN_ERR
3351 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
3352 return -ENOMEM;
3353 }
3354
3355 /* Derive version string. */
3356 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
11010fec 3357 if (ql2xextended_error_logging)
0181944f
AV		 3358 strcat(qla2x00_version_str, "-debug");
3359
1c97a12a
AV		 3360 qla2xxx_transport_template =
3361 fc_attach_transport(&qla2xxx_transport_functions);
2c3dfe3f
SJ		 3362 if (!qla2xxx_transport_template) {
3363 kmem_cache_destroy(srb_cachep);
1da177e4 3364 return -ENODEV;
2c3dfe3f
SJ		 3365 }
3366 qla2xxx_transport_vport_template =
3367 fc_attach_transport(&qla2xxx_transport_vport_functions);
3368 if (!qla2xxx_transport_vport_template) {
3369 kmem_cache_destroy(srb_cachep);
3370 fc_release_transport(qla2xxx_transport_template);
1da177e4 3371 return -ENODEV;
2c3dfe3f 3372 }
1da177e4 3373
fd9a29f0
AV		 3374 printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n",
3375 qla2x00_version_str);
7ee61397 3376 ret = pci_register_driver(&qla2xxx_pci_driver);
fca29703
AV		 3377 if (ret) {
3378 kmem_cache_destroy(srb_cachep);
3379 fc_release_transport(qla2xxx_transport_template);
2c3dfe3f 3380 fc_release_transport(qla2xxx_transport_vport_template);
fca29703
AV		 3381 }
3382 return ret;
1da177e4
LT		 3383}
3384
3385/**
3386 * qla2x00_module_exit - Module cleanup.
3387 **/
3388static void __exit
3389qla2x00_module_exit(void)
3390{
7ee61397 3391 pci_unregister_driver(&qla2xxx_pci_driver);
5433383e 3392 qla2x00_release_firmware();
354d6b21 3393 kmem_cache_destroy(srb_cachep);
1da177e4 3394 fc_release_transport(qla2xxx_transport_template);
2c3dfe3f 3395 fc_release_transport(qla2xxx_transport_vport_template);
1da177e4
LT		 3396}
3397
3398module_init(qla2x00_module_init);
3399module_exit(qla2x00_module_exit);
3400
3401MODULE_AUTHOR("QLogic Corporation");
3402MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
3403MODULE_LICENSE("GPL");
3404MODULE_VERSION(QLA2XXX_VERSION);
bb8ee499
AV		 3405MODULE_FIRMWARE(FW_FILE_ISP21XX);
3406MODULE_FIRMWARE(FW_FILE_ISP22XX);
3407MODULE_FIRMWARE(FW_FILE_ISP2300);
3408MODULE_FIRMWARE(FW_FILE_ISP2322);
3409MODULE_FIRMWARE(FW_FILE_ISP24XX);
61623fc3 3410MODULE_FIRMWARE(FW_FILE_ISP25XX);
3a03eb79 3411MODULE_FIRMWARE(FW_FILE_ISP81XX);
Linux 6.x block layer and io_uring tree(s)