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[SCSI] scsi_lib: Fix bug in completion of bidi commands
[mirror_ubuntu-jammy-kernel.git] / drivers / scsi / qla2xxx / qla_os.c
CommitLineData
1da177e4 1/*
fa90c54f 2 * QLogic Fibre Channel HBA Driver
01e58d8e 3 * Copyright (c) 2003-2008 QLogic Corporation
1da177e4 4 *
fa90c54f 5 * See LICENSE.qla2xxx for copyright and licensing details.
1da177e4
LT		 6 */
7#include "qla_def.h"
8
9#include <linux/moduleparam.h>
10#include <linux/vmalloc.h>
1da177e4 11#include <linux/delay.h>
39a11240 12#include <linux/kthread.h>
e1e82b6f 13#include <linux/mutex.h>
3420d36c 14#include <linux/kobject.h>
1da177e4
LT		 15
16#include <scsi/scsi_tcq.h>
17#include <scsi/scsicam.h>
18#include <scsi/scsi_transport.h>
19#include <scsi/scsi_transport_fc.h>
20
21/*
22 * Driver version
23 */
24char qla2x00_version_str[40];
25
26/*
27 * SRB allocation cache
28 */
e18b890b 29static struct kmem_cache *srb_cachep;
1da177e4 30
1da177e4
LT		 31int ql2xlogintimeout = 20;
32module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR);
33MODULE_PARM_DESC(ql2xlogintimeout,
34 "Login timeout value in seconds.");
35
a7b61842 36int qlport_down_retry;
1da177e4
LT		 37module_param(qlport_down_retry, int, S_IRUGO|S_IRUSR);
38MODULE_PARM_DESC(qlport_down_retry,
900d9f98 39 "Maximum number of command retries to a port that returns "
1da177e4
LT		 40 "a PORT-DOWN status.");
41
1da177e4
LT		 42int ql2xplogiabsentdevice;
43module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
44MODULE_PARM_DESC(ql2xplogiabsentdevice,
45 "Option to enable PLOGI to devices that are not present after "
900d9f98 46 "a Fabric scan. This is needed for several broken switches. "
1da177e4
LT		 47 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
48
1da177e4
LT		 49int ql2xloginretrycount = 0;
50module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR);
51MODULE_PARM_DESC(ql2xloginretrycount,
52 "Specify an alternate value for the NVRAM login retry count.");
53
a7a167bf
AV		 54int ql2xallocfwdump = 1;
55module_param(ql2xallocfwdump, int, S_IRUGO|S_IRUSR);
56MODULE_PARM_DESC(ql2xallocfwdump,
57 "Option to enable allocation of memory for a firmware dump "
58 "during HBA initialization. Memory allocation requirements "
59 "vary by ISP type. Default is 1 - allocate memory.");
60
11010fec 61int ql2xextended_error_logging;
27d94035 62module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
11010fec 63MODULE_PARM_DESC(ql2xextended_error_logging,
0181944f
AV		 64 "Option to enable extended error logging, "
65 "Default is 0 - no logging. 1 - log errors.");
66
1da177e4
LT		 67static void qla2x00_free_device(scsi_qla_host_t *);
68
7e47e5ca 69int ql2xfdmienable=1;
cca5335c
AV		 70module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR);
71MODULE_PARM_DESC(ql2xfdmienable,
72 "Enables FDMI registratons "
73 "Default is 0 - no FDMI. 1 - perfom FDMI.");
74
df7baa50
AV		 75#define MAX_Q_DEPTH 32
76static int ql2xmaxqdepth = MAX_Q_DEPTH;
77module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
78MODULE_PARM_DESC(ql2xmaxqdepth,
79 "Maximum queue depth to report for target devices.");
80
e5896bd5
AV		 81int ql2xiidmaenable=1;
82module_param(ql2xiidmaenable, int, S_IRUGO|S_IRUSR);
83MODULE_PARM_DESC(ql2xiidmaenable,
84 "Enables iIDMA settings "
85 "Default is 1 - perform iIDMA. 0 - no iIDMA.");
86
73208dfd
AC		 87int ql2xmaxqueues = 1;
88module_param(ql2xmaxqueues, int, S_IRUGO|S_IRUSR);
89MODULE_PARM_DESC(ql2xmaxqueues,
90 "Enables MQ settings "
91 "Default is 1 for single queue. Set it to number \
92 of queues in MQ mode.");
68ca949c
AC		 93
94int ql2xmultique_tag;
95module_param(ql2xmultique_tag, int, S_IRUGO|S_IRUSR);
96MODULE_PARM_DESC(ql2xmultique_tag,
97 "Enables CPU affinity settings for the driver "
98 "Default is 0 for no affinity of request and response IO. "
99 "Set it to 1 to turn on the cpu affinity.");
e337d907
AV		 100
101int ql2xfwloadbin;
102module_param(ql2xfwloadbin, int, S_IRUGO|S_IRUSR);
103MODULE_PARM_DESC(ql2xfwloadbin,
104 "Option to specify location from which to load ISP firmware:\n"
105 " 2 -- load firmware via the request_firmware() (hotplug)\n"
106 " interface.\n"
107 " 1 -- load firmware from flash.\n"
108 " 0 -- use default semantics.\n");
109
1da177e4 110/*
fa2a1ce5 111 * SCSI host template entry points
1da177e4
LT		 112 */
113static int qla2xxx_slave_configure(struct scsi_device * device);
f4f051eb 114static int qla2xxx_slave_alloc(struct scsi_device *);
1e99e33a
AV		 115static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
116static void qla2xxx_scan_start(struct Scsi_Host *);
f4f051eb 117static void qla2xxx_slave_destroy(struct scsi_device *);
a5326f86 118static int qla2xxx_queuecommand(struct scsi_cmnd *cmd,
fca29703 119 void (*fn)(struct scsi_cmnd *));
1da177e4
LT		 120static int qla2xxx_eh_abort(struct scsi_cmnd *);
121static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
523ec773 122static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
1da177e4
LT		 123static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
124static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
1da177e4 125
e881a172 126static int qla2x00_change_queue_depth(struct scsi_device *, int, int);
ce7e4af7
AV		 127static int qla2x00_change_queue_type(struct scsi_device *, int);
128
a5326f86 129struct scsi_host_template qla2xxx_driver_template = {
1da177e4 130 .module = THIS_MODULE,
cb63067a 131 .name = QLA2XXX_DRIVER_NAME,
a5326f86 132 .queuecommand = qla2xxx_queuecommand,
fca29703
AV		 133
134 .eh_abort_handler = qla2xxx_eh_abort,
135 .eh_device_reset_handler = qla2xxx_eh_device_reset,
523ec773 136 .eh_target_reset_handler = qla2xxx_eh_target_reset,
fca29703
AV		 137 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
138 .eh_host_reset_handler = qla2xxx_eh_host_reset,
139
140 .slave_configure = qla2xxx_slave_configure,
141
142 .slave_alloc = qla2xxx_slave_alloc,
143 .slave_destroy = qla2xxx_slave_destroy,
ed677086
AV		 144 .scan_finished = qla2xxx_scan_finished,
145 .scan_start = qla2xxx_scan_start,
ce7e4af7
AV		 146 .change_queue_depth = qla2x00_change_queue_depth,
147 .change_queue_type = qla2x00_change_queue_type,
fca29703
AV		 148 .this_id = -1,
149 .cmd_per_lun = 3,
150 .use_clustering = ENABLE_CLUSTERING,
151 .sg_tablesize = SG_ALL,
152
153 .max_sectors = 0xFFFF,
afb046e2 154 .shost_attrs = qla2x00_host_attrs,
fca29703
AV		 155};
156
1da177e4 157static struct scsi_transport_template *qla2xxx_transport_template = NULL;
2c3dfe3f 158struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
1da177e4 159
1da177e4
LT		 160/* TODO Convert to inlines
161 *
162 * Timer routines
163 */
1da177e4 164
2c3dfe3f 165__inline__ void
e315cd28 166qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval)
1da177e4 167{
e315cd28
AC		 168 init_timer(&vha->timer);
169 vha->timer.expires = jiffies + interval * HZ;
170 vha->timer.data = (unsigned long)vha;
171 vha->timer.function = (void (*)(unsigned long))func;
172 add_timer(&vha->timer);
173 vha->timer_active = 1;
1da177e4
LT		 174}
175
176static inline void
e315cd28 177qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
1da177e4 178{
e315cd28 179 mod_timer(&vha->timer, jiffies + interval * HZ);
1da177e4
LT		 180}
181
a824ebb3 182static __inline__ void
e315cd28 183qla2x00_stop_timer(scsi_qla_host_t *vha)
1da177e4 184{
e315cd28
AC		 185 del_timer_sync(&vha->timer);
186 vha->timer_active = 0;
1da177e4
LT		 187}
188
1da177e4
LT		 189static int qla2x00_do_dpc(void *data);
190
191static void qla2x00_rst_aen(scsi_qla_host_t *);
192
73208dfd
AC		 193static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
194 struct req_que **, struct rsp_que **);
e315cd28
AC		 195static void qla2x00_mem_free(struct qla_hw_data *);
196static void qla2x00_sp_free_dma(srb_t *);
1da177e4 197
1da177e4 198/* -------------------------------------------------------------------------- */
73208dfd
AC		 199static int qla2x00_alloc_queues(struct qla_hw_data *ha)
200{
2afa19a9 201 ha->req_q_map = kzalloc(sizeof(struct req_que *) * ha->max_req_queues,
73208dfd
AC		 202 GFP_KERNEL);
203 if (!ha->req_q_map) {
204 qla_printk(KERN_WARNING, ha,
205 "Unable to allocate memory for request queue ptrs\n");
206 goto fail_req_map;
207 }
208
2afa19a9 209 ha->rsp_q_map = kzalloc(sizeof(struct rsp_que *) * ha->max_rsp_queues,
73208dfd
AC		 210 GFP_KERNEL);
211 if (!ha->rsp_q_map) {
212 qla_printk(KERN_WARNING, ha,
213 "Unable to allocate memory for response queue ptrs\n");
214 goto fail_rsp_map;
215 }
216 set_bit(0, ha->rsp_qid_map);
217 set_bit(0, ha->req_qid_map);
218 return 1;
219
220fail_rsp_map:
221 kfree(ha->req_q_map);
222 ha->req_q_map = NULL;
223fail_req_map:
224 return -ENOMEM;
225}
226
2afa19a9 227static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
73208dfd 228{
73208dfd
AC		 229 if (req && req->ring)
230 dma_free_coherent(&ha->pdev->dev,
231 (req->length + 1) * sizeof(request_t),
232 req->ring, req->dma);
233
234 kfree(req);
235 req = NULL;
236}
237
2afa19a9
AC		 238static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
239{
240 if (rsp && rsp->ring)
241 dma_free_coherent(&ha->pdev->dev,
242 (rsp->length + 1) * sizeof(response_t),
243 rsp->ring, rsp->dma);
244
245 kfree(rsp);
246 rsp = NULL;
247}
248
73208dfd
AC		 249static void qla2x00_free_queues(struct qla_hw_data *ha)
250{
251 struct req_que *req;
252 struct rsp_que *rsp;
253 int cnt;
254
2afa19a9 255 for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
73208dfd 256 req = ha->req_q_map[cnt];
2afa19a9 257 qla2x00_free_req_que(ha, req);
73208dfd 258 }
73208dfd
AC		 259 kfree(ha->req_q_map);
260 ha->req_q_map = NULL;
2afa19a9
AC		 261
262 for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
263 rsp = ha->rsp_q_map[cnt];
264 qla2x00_free_rsp_que(ha, rsp);
265 }
266 kfree(ha->rsp_q_map);
267 ha->rsp_q_map = NULL;
73208dfd
AC		 268}
269
68ca949c
AC		 270static int qla25xx_setup_mode(struct scsi_qla_host *vha)
271{
272 uint16_t options = 0;
273 int ques, req, ret;
274 struct qla_hw_data *ha = vha->hw;
275
7163ea81
AC		 276 if (!(ha->fw_attributes & BIT_6)) {
277 qla_printk(KERN_INFO, ha,
278 "Firmware is not multi-queue capable\n");
279 goto fail;
280 }
68ca949c 281 if (ql2xmultique_tag) {
68ca949c
AC		 282 /* create a request queue for IO */
283 options |= BIT_7;
284 req = qla25xx_create_req_que(ha, options, 0, 0, -1,
285 QLA_DEFAULT_QUE_QOS);
286 if (!req) {
287 qla_printk(KERN_WARNING, ha,
288 "Can't create request queue\n");
289 goto fail;
290 }
7163ea81 291 ha->wq = create_workqueue("qla2xxx_wq");
68ca949c
AC		 292 vha->req = ha->req_q_map[req];
293 options |= BIT_1;
294 for (ques = 1; ques < ha->max_rsp_queues; ques++) {
295 ret = qla25xx_create_rsp_que(ha, options, 0, 0, req);
296 if (!ret) {
297 qla_printk(KERN_WARNING, ha,
298 "Response Queue create failed\n");
299 goto fail2;
300 }
301 }
7163ea81
AC		 302 ha->flags.cpu_affinity_enabled = 1;
303
68ca949c
AC		 304 DEBUG2(qla_printk(KERN_INFO, ha,
305 "CPU affinity mode enabled, no. of response"
306 " queues:%d, no. of request queues:%d\n",
307 ha->max_rsp_queues, ha->max_req_queues));
308 }
309 return 0;
310fail2:
311 qla25xx_delete_queues(vha);
7163ea81
AC		 312 destroy_workqueue(ha->wq);
313 ha->wq = NULL;
68ca949c
AC		 314fail:
315 ha->mqenable = 0;
7163ea81
AC		 316 kfree(ha->req_q_map);
317 kfree(ha->rsp_q_map);
318 ha->max_req_queues = ha->max_rsp_queues = 1;
68ca949c
AC		 319 return 1;
320}
321
1da177e4 322static char *
e315cd28 323qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
1da177e4 324{
e315cd28 325 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 326 static char *pci_bus_modes[] = {
327 "33", "66", "100", "133",
328 };
329 uint16_t pci_bus;
330
331 strcpy(str, "PCI");
332 pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
333 if (pci_bus) {
334 strcat(str, "-X (");
335 strcat(str, pci_bus_modes[pci_bus]);
336 } else {
337 pci_bus = (ha->pci_attr & BIT_8) >> 8;
338 strcat(str, " (");
339 strcat(str, pci_bus_modes[pci_bus]);
340 }
341 strcat(str, " MHz)");
342
343 return (str);
344}
345
fca29703 346static char *
e315cd28 347qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
fca29703
AV		 348{
349 static char *pci_bus_modes[] = { "33", "66", "100", "133", };
e315cd28 350 struct qla_hw_data *ha = vha->hw;
fca29703
AV		 351 uint32_t pci_bus;
352 int pcie_reg;
353
354 pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
355 if (pcie_reg) {
356 char lwstr[6];
357 uint16_t pcie_lstat, lspeed, lwidth;
358
359 pcie_reg += 0x12;
360 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
361 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
362 lwidth = (pcie_lstat &
363 (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
364
365 strcpy(str, "PCIe (");
366 if (lspeed == 1)
c87a0d8c 367 strcat(str, "2.5GT/s ");
c3a2f0df 368 else if (lspeed == 2)
c87a0d8c 369 strcat(str, "5.0GT/s ");
fca29703
AV		 370 else
371 strcat(str, "<unknown> ");
372 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
373 strcat(str, lwstr);
374
375 return str;
376 }
377
378 strcpy(str, "PCI");
379 pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
380 if (pci_bus == 0 || pci_bus == 8) {
381 strcat(str, " (");
382 strcat(str, pci_bus_modes[pci_bus >> 3]);
383 } else {
384 strcat(str, "-X ");
385 if (pci_bus & BIT_2)
386 strcat(str, "Mode 2");
387 else
388 strcat(str, "Mode 1");
389 strcat(str, " (");
390 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
391 }
392 strcat(str, " MHz)");
393
394 return str;
395}
396
e5f82ab8 397static char *
e315cd28 398qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str)
1da177e4
LT		 399{
400 char un_str[10];
e315cd28 401 struct qla_hw_data *ha = vha->hw;
fa2a1ce5 402
1da177e4
LT		 403 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
404 ha->fw_minor_version,
405 ha->fw_subminor_version);
406
407 if (ha->fw_attributes & BIT_9) {
408 strcat(str, "FLX");
409 return (str);
410 }
411
412 switch (ha->fw_attributes & 0xFF) {
413 case 0x7:
414 strcat(str, "EF");
415 break;
416 case 0x17:
417 strcat(str, "TP");
418 break;
419 case 0x37:
420 strcat(str, "IP");
421 break;
422 case 0x77:
423 strcat(str, "VI");
424 break;
425 default:
426 sprintf(un_str, "(%x)", ha->fw_attributes);
427 strcat(str, un_str);
428 break;
429 }
430 if (ha->fw_attributes & 0x100)
431 strcat(str, "X");
432
433 return (str);
434}
435
e5f82ab8 436static char *
e315cd28 437qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str)
fca29703 438{
e315cd28 439 struct qla_hw_data *ha = vha->hw;
f0883ac6 440
3a03eb79
AV		 441 sprintf(str, "%d.%02d.%02d (%x)", ha->fw_major_version,
442 ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
fca29703 443 return str;
fca29703
AV		 444}
445
446static inline srb_t *
e315cd28 447qla2x00_get_new_sp(scsi_qla_host_t *vha, fc_port_t *fcport,
fca29703
AV		 448 struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
449{
450 srb_t *sp;
e315cd28 451 struct qla_hw_data *ha = vha->hw;
fca29703
AV		 452
453 sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
454 if (!sp)
455 return sp;
456
fca29703
AV		 457 sp->fcport = fcport;
458 sp->cmd = cmd;
459 sp->flags = 0;
460 CMD_SP(cmd) = (void *)sp;
461 cmd->scsi_done = done;
cf53b069 462 sp->ctx = NULL;
fca29703
AV		 463
464 return sp;
465}
466
1da177e4 467static int
a5326f86 468qla2xxx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
fca29703 469{
e315cd28 470 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
fca29703 471 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
19a7b4ae 472 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
e315cd28
AC		 473 struct qla_hw_data *ha = vha->hw;
474 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
fca29703
AV		 475 srb_t *sp;
476 int rval;
477
85880801
AV		 478 if (ha->flags.eeh_busy) {
479 if (ha->flags.pci_channel_io_perm_failure)
b9b12f73 480 cmd->result = DID_NO_CONNECT << 16;
85880801
AV		 481 else
482 cmd->result = DID_REQUEUE << 16;
14e660e6
SJ		 483 goto qc24_fail_command;
484 }
485
19a7b4ae
JSEC		 486 rval = fc_remote_port_chkready(rport);
487 if (rval) {
488 cmd->result = rval;
fca29703
AV		 489 goto qc24_fail_command;
490 }
491
387f96b4 492 /* Close window on fcport/rport state-transitioning. */
7b594131
MC		 493 if (fcport->drport)
494 goto qc24_target_busy;
387f96b4 495
fca29703
AV		 496 if (atomic_read(&fcport->state) != FCS_ONLINE) {
497 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
e315cd28 498 atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
fca29703
AV		 499 cmd->result = DID_NO_CONNECT << 16;
500 goto qc24_fail_command;
501 }
7b594131 502 goto qc24_target_busy;
fca29703
AV		 503 }
504
e315cd28 505 spin_unlock_irq(vha->host->host_lock);
fca29703 506
e315cd28 507 sp = qla2x00_get_new_sp(base_vha, fcport, cmd, done);
fca29703
AV		 508 if (!sp)
509 goto qc24_host_busy_lock;
510
e315cd28 511 rval = ha->isp_ops->start_scsi(sp);
fca29703
AV		 512 if (rval != QLA_SUCCESS)
513 goto qc24_host_busy_free_sp;
514
e315cd28 515 spin_lock_irq(vha->host->host_lock);
fca29703
AV		 516
517 return 0;
518
519qc24_host_busy_free_sp:
e315cd28
AC		 520 qla2x00_sp_free_dma(sp);
521 mempool_free(sp, ha->srb_mempool);
fca29703
AV		 522
523qc24_host_busy_lock:
e315cd28 524 spin_lock_irq(vha->host->host_lock);
fca29703
AV		 525 return SCSI_MLQUEUE_HOST_BUSY;
526
7b594131
MC		 527qc24_target_busy:
528 return SCSI_MLQUEUE_TARGET_BUSY;
529
fca29703
AV		 530qc24_fail_command:
531 done(cmd);
532
533 return 0;
534}
535
536
1da177e4
LT		 537/*
538 * qla2x00_eh_wait_on_command
539 * Waits for the command to be returned by the Firmware for some
540 * max time.
541 *
542 * Input:
1da177e4 543 * cmd = Scsi Command to wait on.
1da177e4
LT		 544 *
545 * Return:
546 * Not Found : 0
547 * Found : 1
548 */
549static int
e315cd28 550qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
1da177e4 551{
fe74c71f
AV		 552#define ABORT_POLLING_PERIOD 1000
553#define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
f4f051eb 554 unsigned long wait_iter = ABORT_WAIT_ITER;
85880801
AV		 555 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
556 struct qla_hw_data *ha = vha->hw;
f4f051eb 557 int ret = QLA_SUCCESS;
1da177e4 558
85880801
AV		 559 if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) {
560 DEBUG17(qla_printk(KERN_WARNING, ha, "return:eh_wait\n"));
561 return ret;
562 }
563
d970432c 564 while (CMD_SP(cmd) && wait_iter--) {
fe74c71f 565 msleep(ABORT_POLLING_PERIOD);
f4f051eb
AV		 566 }
567 if (CMD_SP(cmd))
568 ret = QLA_FUNCTION_FAILED;
1da177e4 569
f4f051eb 570 return ret;
1da177e4
LT		 571}
572
573/*
574 * qla2x00_wait_for_hba_online
fa2a1ce5 575 * Wait till the HBA is online after going through
1da177e4
LT		 576 * <= MAX_RETRIES_OF_ISP_ABORT or
577 * finally HBA is disabled ie marked offline
578 *
579 * Input:
580 * ha - pointer to host adapter structure
fa2a1ce5
AV		 581 *
582 * Note:
1da177e4
LT		 583 * Does context switching-Release SPIN_LOCK
584 * (if any) before calling this routine.
585 *
586 * Return:
587 * Success (Adapter is online) : 0
588 * Failed (Adapter is offline/disabled) : 1
589 */
854165f4 590int
e315cd28 591qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
1da177e4 592{
fca29703
AV		 593 int return_status;
594 unsigned long wait_online;
e315cd28
AC		 595 struct qla_hw_data *ha = vha->hw;
596 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1da177e4 597
fa2a1ce5 598 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
e315cd28
AC		 599 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
600 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
601 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
602 ha->dpc_active) && time_before(jiffies, wait_online)) {
1da177e4
LT		 603
604 msleep(1000);
605 }
e315cd28 606 if (base_vha->flags.online)
fa2a1ce5 607 return_status = QLA_SUCCESS;
1da177e4
LT		 608 else
609 return_status = QLA_FUNCTION_FAILED;
610
1da177e4
LT		 611 return (return_status);
612}
613
2533cf67
LC		 614int
615qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
616{
617 int return_status;
618 unsigned long wait_reset;
619 struct qla_hw_data *ha = vha->hw;
620 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
621
622 wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
623 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
624 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
625 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
626 ha->dpc_active) && time_before(jiffies, wait_reset)) {
627
628 msleep(1000);
629
630 if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
631 ha->flags.chip_reset_done)
632 break;
633 }
634 if (ha->flags.chip_reset_done)
635 return_status = QLA_SUCCESS;
636 else
637 return_status = QLA_FUNCTION_FAILED;
638
639 return return_status;
640}
641
1da177e4
LT		 642/*
643 * qla2x00_wait_for_loop_ready
644 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
fa2a1ce5 645 * to be in LOOP_READY state.
1da177e4
LT		 646 * Input:
647 * ha - pointer to host adapter structure
fa2a1ce5
AV		 648 *
649 * Note:
1da177e4
LT		 650 * Does context switching-Release SPIN_LOCK
651 * (if any) before calling this routine.
fa2a1ce5 652 *
1da177e4
LT		 653 *
654 * Return:
655 * Success (LOOP_READY) : 0
656 * Failed (LOOP_NOT_READY) : 1
657 */
fa2a1ce5 658static inline int
e315cd28 659qla2x00_wait_for_loop_ready(scsi_qla_host_t *vha)
1da177e4
LT		 660{
661 int return_status = QLA_SUCCESS;
662 unsigned long loop_timeout ;
e315cd28
AC		 663 struct qla_hw_data *ha = vha->hw;
664 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1da177e4
LT		 665
666 /* wait for 5 min at the max for loop to be ready */
fa2a1ce5 667 loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1da177e4 668
e315cd28
AC		 669 while ((!atomic_read(&base_vha->loop_down_timer) &&
670 atomic_read(&base_vha->loop_state) == LOOP_DOWN) ||
671 atomic_read(&base_vha->loop_state) != LOOP_READY) {
672 if (atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
57680080
RA		 673 return_status = QLA_FUNCTION_FAILED;
674 break;
675 }
1da177e4
LT		 676 msleep(1000);
677 if (time_after_eq(jiffies, loop_timeout)) {
678 return_status = QLA_FUNCTION_FAILED;
679 break;
680 }
681 }
fa2a1ce5 682 return (return_status);
1da177e4
LT		 683}
684
5f3a9a20
SJ		 685void
686qla2x00_abort_fcport_cmds(fc_port_t *fcport)
687{
2afa19a9 688 int cnt;
5f3a9a20
SJ		 689 unsigned long flags;
690 srb_t *sp;
e315cd28
AC		 691 scsi_qla_host_t *vha = fcport->vha;
692 struct qla_hw_data *ha = vha->hw;
73208dfd 693 struct req_que *req;
5f3a9a20 694
e315cd28 695 spin_lock_irqsave(&ha->hardware_lock, flags);
2afa19a9
AC		 696 req = vha->req;
697 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
698 sp = req->outstanding_cmds[cnt];
699 if (!sp)
700 continue;
701 if (sp->fcport != fcport)
5f3a9a20 702 continue;
cf53b069
AV		 703 if (sp->ctx)
704 continue;
5f3a9a20 705
2afa19a9
AC		 706 spin_unlock_irqrestore(&ha->hardware_lock, flags);
707 if (ha->isp_ops->abort_command(sp)) {
708 DEBUG2(qla_printk(KERN_WARNING, ha,
709 "Abort failed -- %lx\n",
710 sp->cmd->serial_number));
711 } else {
712 if (qla2x00_eh_wait_on_command(sp->cmd) !=
713 QLA_SUCCESS)
5f3a9a20 714 DEBUG2(qla_printk(KERN_WARNING, ha,
2afa19a9 715 "Abort failed while waiting -- %lx\n",
73208dfd 716 sp->cmd->serial_number));
5f3a9a20 717 }
2afa19a9 718 spin_lock_irqsave(&ha->hardware_lock, flags);
5f3a9a20 719 }
e315cd28 720 spin_unlock_irqrestore(&ha->hardware_lock, flags);
5f3a9a20
SJ		 721}
722
1da177e4
LT		 723/**************************************************************************
724* qla2xxx_eh_abort
725*
726* Description:
727* The abort function will abort the specified command.
728*
729* Input:
730* cmd = Linux SCSI command packet to be aborted.
731*
732* Returns:
733* Either SUCCESS or FAILED.
734*
735* Note:
2ea00202 736* Only return FAILED if command not returned by firmware.
1da177e4 737**************************************************************************/
e5f82ab8 738static int
1da177e4
LT		 739qla2xxx_eh_abort(struct scsi_cmnd *cmd)
740{
e315cd28 741 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
f4f051eb 742 srb_t *sp;
17d98630 743 int ret, i;
f4f051eb
AV		 744 unsigned int id, lun;
745 unsigned long serial;
18e144d3 746 unsigned long flags;
2ea00202 747 int wait = 0;
e315cd28 748 struct qla_hw_data *ha = vha->hw;
67c2e93a 749 struct req_que *req = vha->req;
17d98630 750 srb_t *spt;
1da177e4 751
65d430fa 752 fc_block_scsi_eh(cmd);
07db5183 753
f4f051eb 754 if (!CMD_SP(cmd))
2ea00202 755 return SUCCESS;
1da177e4 756
2ea00202 757 ret = SUCCESS;
1da177e4 758
f4f051eb
AV		 759 id = cmd->device->id;
760 lun = cmd->device->lun;
761 serial = cmd->serial_number;
17d98630
AC		 762 spt = (srb_t *) CMD_SP(cmd);
763 if (!spt)
764 return SUCCESS;
1da177e4 765
f4f051eb 766 /* Check active list for command command. */
e315cd28 767 spin_lock_irqsave(&ha->hardware_lock, flags);
17d98630
AC		 768 for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
769 sp = req->outstanding_cmds[i];
1da177e4 770
17d98630
AC		 771 if (sp == NULL)
772 continue;
cf53b069
AV		 773 if (sp->ctx)
774 continue;
17d98630
AC		 775 if (sp->cmd != cmd)
776 continue;
1da177e4 777
17d98630
AC		 778 DEBUG2(printk("%s(%ld): aborting sp %p from RISC."
779 " pid=%ld.\n", __func__, vha->host_no, sp, serial));
780
781 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2afa19a9 782 if (ha->isp_ops->abort_command(sp)) {
17d98630
AC		 783 DEBUG2(printk("%s(%ld): abort_command "
784 "mbx failed.\n", __func__, vha->host_no));
2ac4b64f 785 ret = FAILED;
17d98630
AC		 786 } else {
787 DEBUG3(printk("%s(%ld): abort_command "
788 "mbx success.\n", __func__, vha->host_no));
789 wait = 1;
73208dfd 790 }
17d98630
AC		 791 spin_lock_irqsave(&ha->hardware_lock, flags);
792 break;
f4f051eb 793 }
e315cd28 794 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1da177e4 795
f4f051eb 796 /* Wait for the command to be returned. */
2ea00202 797 if (wait) {
e315cd28 798 if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
fa2a1ce5 799 qla_printk(KERN_ERR, ha,
f4f051eb 800 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
e315cd28 801 "%x.\n", vha->host_no, id, lun, serial, ret);
2ea00202 802 ret = FAILED;
f4f051eb 803 }
1da177e4 804 }
1da177e4 805
fa2a1ce5 806 qla_printk(KERN_INFO, ha,
2ea00202 807 "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
e315cd28 808 vha->host_no, id, lun, wait, serial, ret);
1da177e4 809
f4f051eb
AV		 810 return ret;
811}
1da177e4 812
523ec773
AV		 813enum nexus_wait_type {
814 WAIT_HOST = 0,
815 WAIT_TARGET,
816 WAIT_LUN,
817};
818
f4f051eb 819static int
e315cd28 820qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
17d98630 821 unsigned int l, srb_t *sp, enum nexus_wait_type type)
f4f051eb 822{
17d98630 823 int cnt, match, status;
18e144d3 824 unsigned long flags;
e315cd28 825 struct qla_hw_data *ha = vha->hw;
73208dfd 826 struct req_que *req;
1da177e4 827
523ec773 828 status = QLA_SUCCESS;
17d98630
AC		 829 if (!sp)
830 return status;
831
e315cd28 832 spin_lock_irqsave(&ha->hardware_lock, flags);
67c2e93a 833 req = vha->req;
17d98630
AC		 834 for (cnt = 1; status == QLA_SUCCESS &&
835 cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
836 sp = req->outstanding_cmds[cnt];
837 if (!sp)
523ec773 838 continue;
cf53b069
AV		 839 if (sp->ctx)
840 continue;
17d98630
AC		 841 if (vha->vp_idx != sp->fcport->vha->vp_idx)
842 continue;
843 match = 0;
844 switch (type) {
845 case WAIT_HOST:
846 match = 1;
847 break;
848 case WAIT_TARGET:
849 match = sp->cmd->device->id == t;
850 break;
851 case WAIT_LUN:
852 match = (sp->cmd->device->id == t &&
853 sp->cmd->device->lun == l);
854 break;
73208dfd 855 }
17d98630
AC		 856 if (!match)
857 continue;
858
859 spin_unlock_irqrestore(&ha->hardware_lock, flags);
860 status = qla2x00_eh_wait_on_command(sp->cmd);
861 spin_lock_irqsave(&ha->hardware_lock, flags);
1da177e4 862 }
e315cd28 863 spin_unlock_irqrestore(&ha->hardware_lock, flags);
523ec773
AV		 864
865 return status;
1da177e4
LT		 866}
867
523ec773
AV		 868static char *reset_errors[] = {
869 "HBA not online",
870 "HBA not ready",
871 "Task management failed",
872 "Waiting for command completions",
873};
1da177e4 874
e5f82ab8 875static int
523ec773 876__qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
2afa19a9 877 struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int, int))
1da177e4 878{
e315cd28 879 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
bdf79621 880 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
523ec773 881 int err;
1da177e4 882
65d430fa 883 fc_block_scsi_eh(cmd);
07db5183 884
b0328bee 885 if (!fcport)
523ec773 886 return FAILED;
1da177e4 887
e315cd28
AC		 888 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET ISSUED.\n",
889 vha->host_no, cmd->device->id, cmd->device->lun, name);
1da177e4 890
523ec773 891 err = 0;
e315cd28 892 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
523ec773
AV		 893 goto eh_reset_failed;
894 err = 1;
e315cd28 895 if (qla2x00_wait_for_loop_ready(vha) != QLA_SUCCESS)
523ec773
AV		 896 goto eh_reset_failed;
897 err = 2;
2afa19a9
AC		 898 if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
899 != QLA_SUCCESS)
523ec773
AV		 900 goto eh_reset_failed;
901 err = 3;
e315cd28 902 if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
17d98630 903 cmd->device->lun, (srb_t *) CMD_SP(cmd), type) != QLA_SUCCESS)
523ec773
AV		 904 goto eh_reset_failed;
905
e315cd28
AC		 906 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n",
907 vha->host_no, cmd->device->id, cmd->device->lun, name);
523ec773
AV		 908
909 return SUCCESS;
910
911 eh_reset_failed:
e315cd28
AC		 912 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n"
913 , vha->host_no, cmd->device->id, cmd->device->lun, name,
523ec773
AV		 914 reset_errors[err]);
915 return FAILED;
916}
1da177e4 917
523ec773
AV		 918static int
919qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
920{
e315cd28
AC		 921 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
922 struct qla_hw_data *ha = vha->hw;
1da177e4 923
523ec773
AV		 924 return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
925 ha->isp_ops->lun_reset);
1da177e4
LT		 926}
927
1da177e4 928static int
523ec773 929qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1da177e4 930{
e315cd28
AC		 931 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
932 struct qla_hw_data *ha = vha->hw;
1da177e4 933
523ec773
AV		 934 return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
935 ha->isp_ops->target_reset);
1da177e4
LT		 936}
937
1da177e4
LT		 938/**************************************************************************
939* qla2xxx_eh_bus_reset
940*
941* Description:
942* The bus reset function will reset the bus and abort any executing
943* commands.
944*
945* Input:
946* cmd = Linux SCSI command packet of the command that cause the
947* bus reset.
948*
949* Returns:
950* SUCCESS/FAILURE (defined as macro in scsi.h).
951*
952**************************************************************************/
e5f82ab8 953static int
1da177e4
LT		 954qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
955{
e315cd28 956 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
bdf79621 957 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
2c3dfe3f 958 int ret = FAILED;
f4f051eb
AV		 959 unsigned int id, lun;
960 unsigned long serial;
17d98630 961 srb_t *sp = (srb_t *) CMD_SP(cmd);
f4f051eb 962
65d430fa 963 fc_block_scsi_eh(cmd);
07db5183 964
f4f051eb
AV		 965 id = cmd->device->id;
966 lun = cmd->device->lun;
967 serial = cmd->serial_number;
1da177e4 968
b0328bee 969 if (!fcport)
f4f051eb 970 return ret;
1da177e4 971
e315cd28 972 qla_printk(KERN_INFO, vha->hw,
749af3d5 973 "scsi(%ld:%d:%d): BUS RESET ISSUED.\n", vha->host_no, id, lun);
1da177e4 974
e315cd28 975 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1da177e4 976 DEBUG2(printk("%s failed:board disabled\n",__func__));
f4f051eb 977 goto eh_bus_reset_done;
1da177e4
LT		 978 }
979
e315cd28
AC		 980 if (qla2x00_wait_for_loop_ready(vha) == QLA_SUCCESS) {
981 if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
f4f051eb 982 ret = SUCCESS;
1da177e4 983 }
f4f051eb
AV		 984 if (ret == FAILED)
985 goto eh_bus_reset_done;
1da177e4 986
9a41a62b 987 /* Flush outstanding commands. */
17d98630 988 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) !=
523ec773 989 QLA_SUCCESS)
9a41a62b 990 ret = FAILED;
1da177e4 991
f4f051eb 992eh_bus_reset_done:
e315cd28 993 qla_printk(KERN_INFO, vha->hw, "%s: reset %s\n", __func__,
f4f051eb 994 (ret == FAILED) ? "failed" : "succeded");
1da177e4 995
f4f051eb 996 return ret;
1da177e4
LT		 997}
998
999/**************************************************************************
1000* qla2xxx_eh_host_reset
1001*
1002* Description:
1003* The reset function will reset the Adapter.
1004*
1005* Input:
1006* cmd = Linux SCSI command packet of the command that cause the
1007* adapter reset.
1008*
1009* Returns:
1010* Either SUCCESS or FAILED.
1011*
1012* Note:
1013**************************************************************************/
e5f82ab8 1014static int
1da177e4
LT		 1015qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1016{
e315cd28 1017 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
bdf79621 1018 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
e315cd28 1019 struct qla_hw_data *ha = vha->hw;
2c3dfe3f 1020 int ret = FAILED;
f4f051eb
AV		 1021 unsigned int id, lun;
1022 unsigned long serial;
17d98630 1023 srb_t *sp = (srb_t *) CMD_SP(cmd);
e315cd28 1024 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1da177e4 1025
65d430fa 1026 fc_block_scsi_eh(cmd);
07db5183 1027
f4f051eb
AV		 1028 id = cmd->device->id;
1029 lun = cmd->device->lun;
1030 serial = cmd->serial_number;
1031
b0328bee 1032 if (!fcport)
f4f051eb 1033 return ret;
1da177e4 1034
1da177e4 1035 qla_printk(KERN_INFO, ha,
e315cd28 1036 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", vha->host_no, id, lun);
1da177e4 1037
e315cd28 1038 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
f4f051eb 1039 goto eh_host_reset_lock;
1da177e4
LT		 1040
1041 /*
1042 * Fixme-may be dpc thread is active and processing
fa2a1ce5 1043 * loop_resync,so wait a while for it to
1da177e4
LT		 1044 * be completed and then issue big hammer.Otherwise
1045 * it may cause I/O failure as big hammer marks the
1046 * devices as lost kicking of the port_down_timer
1047 * while dpc is stuck for the mailbox to complete.
1048 */
e315cd28
AC		 1049 qla2x00_wait_for_loop_ready(vha);
1050 if (vha != base_vha) {
1051 if (qla2x00_vp_abort_isp(vha))
f4f051eb 1052 goto eh_host_reset_lock;
e315cd28 1053 } else {
68ca949c
AC		 1054 if (ha->wq)
1055 flush_workqueue(ha->wq);
1056
e315cd28
AC		 1057 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1058 if (qla2x00_abort_isp(base_vha)) {
1059 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1060 /* failed. schedule dpc to try */
1061 set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1062
1063 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
1064 goto eh_host_reset_lock;
1065 }
1066 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
fa2a1ce5 1067 }
1da177e4 1068
e315cd28 1069 /* Waiting for command to be returned to OS.*/
17d98630 1070 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) ==
e315cd28 1071 QLA_SUCCESS)
f4f051eb 1072 ret = SUCCESS;
1da177e4 1073
f4f051eb 1074eh_host_reset_lock:
f4f051eb
AV		 1075 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1076 (ret == FAILED) ? "failed" : "succeded");
1da177e4 1077
f4f051eb
AV		 1078 return ret;
1079}
1da177e4
LT		 1080
1081/*
1082* qla2x00_loop_reset
1083* Issue loop reset.
1084*
1085* Input:
1086* ha = adapter block pointer.
1087*
1088* Returns:
1089* 0 = success
1090*/
a4722cf2 1091int
e315cd28 1092qla2x00_loop_reset(scsi_qla_host_t *vha)
1da177e4 1093{
0c8c39af 1094 int ret;
bdf79621 1095 struct fc_port *fcport;
e315cd28 1096 struct qla_hw_data *ha = vha->hw;
1da177e4 1097
0d6e61bc 1098 if (ha->flags.enable_lip_full_login && !IS_QLA81XX(ha)) {
e315cd28 1099 ret = qla2x00_full_login_lip(vha);
0c8c39af 1100 if (ret != QLA_SUCCESS) {
749af3d5 1101 DEBUG2_3(printk("%s(%ld): failed: "
e315cd28 1102 "full_login_lip=%d.\n", __func__, vha->host_no,
0c8c39af 1103 ret));
749af3d5
AC		 1104 }
1105 atomic_set(&vha->loop_state, LOOP_DOWN);
1106 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1107 qla2x00_mark_all_devices_lost(vha, 0);
1108 qla2x00_wait_for_loop_ready(vha);
0c8c39af
AV		 1109 }
1110
0d6e61bc 1111 if (ha->flags.enable_lip_reset) {
e315cd28 1112 ret = qla2x00_lip_reset(vha);
0c8c39af 1113 if (ret != QLA_SUCCESS) {
749af3d5 1114 DEBUG2_3(printk("%s(%ld): failed: "
e315cd28
AC		 1115 "lip_reset=%d.\n", __func__, vha->host_no, ret));
1116 } else
1117 qla2x00_wait_for_loop_ready(vha);
1da177e4
LT		 1118 }
1119
0c8c39af 1120 if (ha->flags.enable_target_reset) {
e315cd28 1121 list_for_each_entry(fcport, &vha->vp_fcports, list) {
bdf79621 1122 if (fcport->port_type != FCT_TARGET)
1da177e4
LT		 1123 continue;
1124
2afa19a9 1125 ret = ha->isp_ops->target_reset(fcport, 0, 0);
0c8c39af
AV		 1126 if (ret != QLA_SUCCESS) {
1127 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1128 "target_reset=%d d_id=%x.\n", __func__,
e315cd28 1129 vha->host_no, ret, fcport->d_id.b24));
0c8c39af 1130 }
1da177e4
LT		 1131 }
1132 }
1da177e4 1133 /* Issue marker command only when we are going to start the I/O */
e315cd28 1134 vha->marker_needed = 1;
1da177e4 1135
0c8c39af 1136 return QLA_SUCCESS;
1da177e4
LT		 1137}
1138
df4bf0bb 1139void
e315cd28 1140qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
df4bf0bb 1141{
73208dfd 1142 int que, cnt;
df4bf0bb
AV		 1143 unsigned long flags;
1144 srb_t *sp;
ac280b67 1145 struct srb_ctx *ctx;
e315cd28 1146 struct qla_hw_data *ha = vha->hw;
73208dfd 1147 struct req_que *req;
df4bf0bb
AV		 1148
1149 spin_lock_irqsave(&ha->hardware_lock, flags);
2afa19a9 1150 for (que = 0; que < ha->max_req_queues; que++) {
29bdccbe 1151 req = ha->req_q_map[que];
73208dfd
AC		 1152 if (!req)
1153 continue;
1154 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1155 sp = req->outstanding_cmds[cnt];
e612d465 1156 if (sp) {
73208dfd 1157 req->outstanding_cmds[cnt] = NULL;
ac280b67
AV		 1158 if (!sp->ctx) {
1159 sp->cmd->result = res;
1160 qla2x00_sp_compl(ha, sp);
1161 } else {
1162 ctx = sp->ctx;
1163 del_timer_sync(&ctx->timer);
1164 ctx->free(sp);
1165 }
73208dfd 1166 }
df4bf0bb
AV		 1167 }
1168 }
1169 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1170}
1171
f4f051eb
AV		 1172static int
1173qla2xxx_slave_alloc(struct scsi_device *sdev)
1da177e4 1174{
bdf79621 1175 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1da177e4 1176
19a7b4ae 1177 if (!rport || fc_remote_port_chkready(rport))
f4f051eb 1178 return -ENXIO;
bdf79621 1179
19a7b4ae 1180 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1da177e4 1181
f4f051eb
AV		 1182 return 0;
1183}
1da177e4 1184
f4f051eb
AV		 1185static int
1186qla2xxx_slave_configure(struct scsi_device *sdev)
1187{
e315cd28
AC		 1188 scsi_qla_host_t *vha = shost_priv(sdev->host);
1189 struct qla_hw_data *ha = vha->hw;
8482e118 1190 struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
8474f3a0 1191 fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
2afa19a9 1192 struct req_que *req = vha->req;
8482e118 1193
f4f051eb 1194 if (sdev->tagged_supported)
73208dfd 1195 scsi_activate_tcq(sdev, req->max_q_depth);
f4f051eb 1196 else
73208dfd 1197 scsi_deactivate_tcq(sdev, req->max_q_depth);
1da177e4 1198
85821c90 1199 rport->dev_loss_tmo = ha->port_down_retry_count;
8474f3a0
SV		 1200 if (sdev->type == TYPE_TAPE)
1201 fcport->flags |= FCF_TAPE_PRESENT;
8482e118 1202
f4f051eb
AV		 1203 return 0;
1204}
1da177e4 1205
f4f051eb
AV		 1206static void
1207qla2xxx_slave_destroy(struct scsi_device *sdev)
1208{
1209 sdev->hostdata = NULL;
1da177e4
LT		 1210}
1211
c45dd305
GM		 1212static void qla2x00_handle_queue_full(struct scsi_device *sdev, int qdepth)
1213{
1214 fc_port_t *fcport = (struct fc_port *) sdev->hostdata;
1215
1216 if (!scsi_track_queue_full(sdev, qdepth))
1217 return;
1218
1219 DEBUG2(qla_printk(KERN_INFO, fcport->vha->hw,
1220 "scsi(%ld:%d:%d:%d): Queue depth adjusted-down to %d.\n",
1221 fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun,
1222 sdev->queue_depth));
1223}
1224
1225static void qla2x00_adjust_sdev_qdepth_up(struct scsi_device *sdev, int qdepth)
1226{
1227 fc_port_t *fcport = sdev->hostdata;
1228 struct scsi_qla_host *vha = fcport->vha;
1229 struct qla_hw_data *ha = vha->hw;
1230 struct req_que *req = NULL;
1231
1232 req = vha->req;
1233 if (!req)
1234 return;
1235
1236 if (req->max_q_depth <= sdev->queue_depth || req->max_q_depth < qdepth)
1237 return;
1238
1239 if (sdev->ordered_tags)
1240 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, qdepth);
1241 else
1242 scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, qdepth);
1243
1244 DEBUG2(qla_printk(KERN_INFO, ha,
1245 "scsi(%ld:%d:%d:%d): Queue depth adjusted-up to %d.\n",
1246 fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun,
1247 sdev->queue_depth));
1248}
1249
ce7e4af7 1250static int
e881a172 1251qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
ce7e4af7 1252{
c45dd305
GM		 1253 switch (reason) {
1254 case SCSI_QDEPTH_DEFAULT:
1255 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1256 break;
1257 case SCSI_QDEPTH_QFULL:
1258 qla2x00_handle_queue_full(sdev, qdepth);
1259 break;
1260 case SCSI_QDEPTH_RAMP_UP:
1261 qla2x00_adjust_sdev_qdepth_up(sdev, qdepth);
1262 break;
1263 default:
1264 return EOPNOTSUPP;
1265 }
e881a172 1266
ce7e4af7
AV		 1267 return sdev->queue_depth;
1268}
1269
1270static int
1271qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1272{
1273 if (sdev->tagged_supported) {
1274 scsi_set_tag_type(sdev, tag_type);
1275 if (tag_type)
1276 scsi_activate_tcq(sdev, sdev->queue_depth);
1277 else
1278 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1279 } else
1280 tag_type = 0;
1281
1282 return tag_type;
1283}
1284
1da177e4
LT		 1285/**
1286 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1287 * @ha: HA context
1288 *
1289 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1290 * supported addressing method.
1291 */
1292static void
53303c42 1293qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1da177e4 1294{
7524f9b9 1295 /* Assume a 32bit DMA mask. */
1da177e4 1296 ha->flags.enable_64bit_addressing = 0;
1da177e4 1297
6a35528a 1298 if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
7524f9b9
AV		 1299 /* Any upper-dword bits set? */
1300 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
6a35528a 1301 !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
7524f9b9 1302 /* Ok, a 64bit DMA mask is applicable. */
1da177e4 1303 ha->flags.enable_64bit_addressing = 1;
fd34f556
AV		 1304 ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1305 ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
7524f9b9 1306 return;
1da177e4 1307 }
1da177e4 1308 }
7524f9b9 1309
284901a9
YH		 1310 dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1311 pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1da177e4
LT		 1312}
1313
fd34f556 1314static void
e315cd28 1315qla2x00_enable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1316{
1317 unsigned long flags = 0;
1318 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1319
1320 spin_lock_irqsave(&ha->hardware_lock, flags);
1321 ha->interrupts_on = 1;
1322 /* enable risc and host interrupts */
1323 WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1324 RD_REG_WORD(&reg->ictrl);
1325 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1326
1327}
1328
1329static void
e315cd28 1330qla2x00_disable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1331{
1332 unsigned long flags = 0;
1333 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1334
1335 spin_lock_irqsave(&ha->hardware_lock, flags);
1336 ha->interrupts_on = 0;
1337 /* disable risc and host interrupts */
1338 WRT_REG_WORD(&reg->ictrl, 0);
1339 RD_REG_WORD(&reg->ictrl);
1340 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1341}
1342
1343static void
e315cd28 1344qla24xx_enable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1345{
1346 unsigned long flags = 0;
1347 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1348
1349 spin_lock_irqsave(&ha->hardware_lock, flags);
1350 ha->interrupts_on = 1;
1351 WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1352 RD_REG_DWORD(&reg->ictrl);
1353 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1354}
1355
1356static void
e315cd28 1357qla24xx_disable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1358{
1359 unsigned long flags = 0;
1360 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1361
124f85e6
AV		 1362 if (IS_NOPOLLING_TYPE(ha))
1363 return;
fd34f556
AV		 1364 spin_lock_irqsave(&ha->hardware_lock, flags);
1365 ha->interrupts_on = 0;
1366 WRT_REG_DWORD(&reg->ictrl, 0);
1367 RD_REG_DWORD(&reg->ictrl);
1368 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1369}
1370
1371static struct isp_operations qla2100_isp_ops = {
1372 .pci_config = qla2100_pci_config,
1373 .reset_chip = qla2x00_reset_chip,
1374 .chip_diag = qla2x00_chip_diag,
1375 .config_rings = qla2x00_config_rings,
1376 .reset_adapter = qla2x00_reset_adapter,
1377 .nvram_config = qla2x00_nvram_config,
1378 .update_fw_options = qla2x00_update_fw_options,
1379 .load_risc = qla2x00_load_risc,
1380 .pci_info_str = qla2x00_pci_info_str,
1381 .fw_version_str = qla2x00_fw_version_str,
1382 .intr_handler = qla2100_intr_handler,
1383 .enable_intrs = qla2x00_enable_intrs,
1384 .disable_intrs = qla2x00_disable_intrs,
1385 .abort_command = qla2x00_abort_command,
523ec773
AV		 1386 .target_reset = qla2x00_abort_target,
1387 .lun_reset = qla2x00_lun_reset,
fd34f556
AV		 1388 .fabric_login = qla2x00_login_fabric,
1389 .fabric_logout = qla2x00_fabric_logout,
1390 .calc_req_entries = qla2x00_calc_iocbs_32,
1391 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1392 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1393 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1394 .read_nvram = qla2x00_read_nvram_data,
1395 .write_nvram = qla2x00_write_nvram_data,
1396 .fw_dump = qla2100_fw_dump,
1397 .beacon_on = NULL,
1398 .beacon_off = NULL,
1399 .beacon_blink = NULL,
1400 .read_optrom = qla2x00_read_optrom_data,
1401 .write_optrom = qla2x00_write_optrom_data,
1402 .get_flash_version = qla2x00_get_flash_version,
e315cd28 1403 .start_scsi = qla2x00_start_scsi,
fd34f556
AV		 1404};
1405
1406static struct isp_operations qla2300_isp_ops = {
1407 .pci_config = qla2300_pci_config,
1408 .reset_chip = qla2x00_reset_chip,
1409 .chip_diag = qla2x00_chip_diag,
1410 .config_rings = qla2x00_config_rings,
1411 .reset_adapter = qla2x00_reset_adapter,
1412 .nvram_config = qla2x00_nvram_config,
1413 .update_fw_options = qla2x00_update_fw_options,
1414 .load_risc = qla2x00_load_risc,
1415 .pci_info_str = qla2x00_pci_info_str,
1416 .fw_version_str = qla2x00_fw_version_str,
1417 .intr_handler = qla2300_intr_handler,
1418 .enable_intrs = qla2x00_enable_intrs,
1419 .disable_intrs = qla2x00_disable_intrs,
1420 .abort_command = qla2x00_abort_command,
523ec773
AV		 1421 .target_reset = qla2x00_abort_target,
1422 .lun_reset = qla2x00_lun_reset,
fd34f556
AV		 1423 .fabric_login = qla2x00_login_fabric,
1424 .fabric_logout = qla2x00_fabric_logout,
1425 .calc_req_entries = qla2x00_calc_iocbs_32,
1426 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1427 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1428 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1429 .read_nvram = qla2x00_read_nvram_data,
1430 .write_nvram = qla2x00_write_nvram_data,
1431 .fw_dump = qla2300_fw_dump,
1432 .beacon_on = qla2x00_beacon_on,
1433 .beacon_off = qla2x00_beacon_off,
1434 .beacon_blink = qla2x00_beacon_blink,
1435 .read_optrom = qla2x00_read_optrom_data,
1436 .write_optrom = qla2x00_write_optrom_data,
1437 .get_flash_version = qla2x00_get_flash_version,
e315cd28 1438 .start_scsi = qla2x00_start_scsi,
fd34f556
AV		 1439};
1440
1441static struct isp_operations qla24xx_isp_ops = {
1442 .pci_config = qla24xx_pci_config,
1443 .reset_chip = qla24xx_reset_chip,
1444 .chip_diag = qla24xx_chip_diag,
1445 .config_rings = qla24xx_config_rings,
1446 .reset_adapter = qla24xx_reset_adapter,
1447 .nvram_config = qla24xx_nvram_config,
1448 .update_fw_options = qla24xx_update_fw_options,
1449 .load_risc = qla24xx_load_risc,
1450 .pci_info_str = qla24xx_pci_info_str,
1451 .fw_version_str = qla24xx_fw_version_str,
1452 .intr_handler = qla24xx_intr_handler,
1453 .enable_intrs = qla24xx_enable_intrs,
1454 .disable_intrs = qla24xx_disable_intrs,
1455 .abort_command = qla24xx_abort_command,
523ec773
AV		 1456 .target_reset = qla24xx_abort_target,
1457 .lun_reset = qla24xx_lun_reset,
fd34f556
AV		 1458 .fabric_login = qla24xx_login_fabric,
1459 .fabric_logout = qla24xx_fabric_logout,
1460 .calc_req_entries = NULL,
1461 .build_iocbs = NULL,
1462 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1463 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1464 .read_nvram = qla24xx_read_nvram_data,
1465 .write_nvram = qla24xx_write_nvram_data,
1466 .fw_dump = qla24xx_fw_dump,
1467 .beacon_on = qla24xx_beacon_on,
1468 .beacon_off = qla24xx_beacon_off,
1469 .beacon_blink = qla24xx_beacon_blink,
1470 .read_optrom = qla24xx_read_optrom_data,
1471 .write_optrom = qla24xx_write_optrom_data,
1472 .get_flash_version = qla24xx_get_flash_version,
e315cd28 1473 .start_scsi = qla24xx_start_scsi,
fd34f556
AV		 1474};
1475
c3a2f0df
AV		 1476static struct isp_operations qla25xx_isp_ops = {
1477 .pci_config = qla25xx_pci_config,
1478 .reset_chip = qla24xx_reset_chip,
1479 .chip_diag = qla24xx_chip_diag,
1480 .config_rings = qla24xx_config_rings,
1481 .reset_adapter = qla24xx_reset_adapter,
1482 .nvram_config = qla24xx_nvram_config,
1483 .update_fw_options = qla24xx_update_fw_options,
1484 .load_risc = qla24xx_load_risc,
1485 .pci_info_str = qla24xx_pci_info_str,
1486 .fw_version_str = qla24xx_fw_version_str,
1487 .intr_handler = qla24xx_intr_handler,
1488 .enable_intrs = qla24xx_enable_intrs,
1489 .disable_intrs = qla24xx_disable_intrs,
1490 .abort_command = qla24xx_abort_command,
523ec773
AV		 1491 .target_reset = qla24xx_abort_target,
1492 .lun_reset = qla24xx_lun_reset,
c3a2f0df
AV		 1493 .fabric_login = qla24xx_login_fabric,
1494 .fabric_logout = qla24xx_fabric_logout,
1495 .calc_req_entries = NULL,
1496 .build_iocbs = NULL,
1497 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1498 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1499 .read_nvram = qla25xx_read_nvram_data,
1500 .write_nvram = qla25xx_write_nvram_data,
1501 .fw_dump = qla25xx_fw_dump,
1502 .beacon_on = qla24xx_beacon_on,
1503 .beacon_off = qla24xx_beacon_off,
1504 .beacon_blink = qla24xx_beacon_blink,
338c9161 1505 .read_optrom = qla25xx_read_optrom_data,
c3a2f0df
AV		 1506 .write_optrom = qla24xx_write_optrom_data,
1507 .get_flash_version = qla24xx_get_flash_version,
e315cd28 1508 .start_scsi = qla24xx_start_scsi,
c3a2f0df
AV		 1509};
1510
3a03eb79
AV		 1511static struct isp_operations qla81xx_isp_ops = {
1512 .pci_config = qla25xx_pci_config,
1513 .reset_chip = qla24xx_reset_chip,
1514 .chip_diag = qla24xx_chip_diag,
1515 .config_rings = qla24xx_config_rings,
1516 .reset_adapter = qla24xx_reset_adapter,
1517 .nvram_config = qla81xx_nvram_config,
1518 .update_fw_options = qla81xx_update_fw_options,
eaac30be 1519 .load_risc = qla81xx_load_risc,
3a03eb79
AV		 1520 .pci_info_str = qla24xx_pci_info_str,
1521 .fw_version_str = qla24xx_fw_version_str,
1522 .intr_handler = qla24xx_intr_handler,
1523 .enable_intrs = qla24xx_enable_intrs,
1524 .disable_intrs = qla24xx_disable_intrs,
1525 .abort_command = qla24xx_abort_command,
1526 .target_reset = qla24xx_abort_target,
1527 .lun_reset = qla24xx_lun_reset,
1528 .fabric_login = qla24xx_login_fabric,
1529 .fabric_logout = qla24xx_fabric_logout,
1530 .calc_req_entries = NULL,
1531 .build_iocbs = NULL,
1532 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1533 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
3d79038f
AV		 1534 .read_nvram = NULL,
1535 .write_nvram = NULL,
3a03eb79
AV		 1536 .fw_dump = qla81xx_fw_dump,
1537 .beacon_on = qla24xx_beacon_on,
1538 .beacon_off = qla24xx_beacon_off,
1539 .beacon_blink = qla24xx_beacon_blink,
1540 .read_optrom = qla25xx_read_optrom_data,
1541 .write_optrom = qla24xx_write_optrom_data,
1542 .get_flash_version = qla24xx_get_flash_version,
1543 .start_scsi = qla24xx_start_scsi,
3a03eb79
AV		 1544};
1545
ea5b6382 1546static inline void
e315cd28 1547qla2x00_set_isp_flags(struct qla_hw_data *ha)
ea5b6382
AV		 1548{
1549 ha->device_type = DT_EXTENDED_IDS;
1550 switch (ha->pdev->device) {
1551 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1552 ha->device_type |= DT_ISP2100;
1553 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1554 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382
AV		 1555 break;
1556 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1557 ha->device_type |= DT_ISP2200;
1558 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1559 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382
AV		 1560 break;
1561 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1562 ha->device_type |= DT_ISP2300;
4a59f71d 1563 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1564 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1565 break;
1566 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1567 ha->device_type |= DT_ISP2312;
4a59f71d 1568 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1569 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1570 break;
1571 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1572 ha->device_type |= DT_ISP2322;
4a59f71d 1573 ha->device_type |= DT_ZIO_SUPPORTED;
ea5b6382
AV		 1574 if (ha->pdev->subsystem_vendor == 0x1028 &&
1575 ha->pdev->subsystem_device == 0x0170)
1576 ha->device_type |= DT_OEM_001;
441d1072 1577 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1578 break;
1579 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1580 ha->device_type |= DT_ISP6312;
441d1072 1581 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1582 break;
1583 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1584 ha->device_type |= DT_ISP6322;
441d1072 1585 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1586 break;
1587 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1588 ha->device_type |= DT_ISP2422;
4a59f71d 1589 ha->device_type |= DT_ZIO_SUPPORTED;
e428924c 1590 ha->device_type |= DT_FWI2;
c76f2c01 1591 ha->device_type |= DT_IIDMA;
441d1072 1592 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382
AV		 1593 break;
1594 case PCI_DEVICE_ID_QLOGIC_ISP2432:
1595 ha->device_type |= DT_ISP2432;
4a59f71d 1596 ha->device_type |= DT_ZIO_SUPPORTED;
e428924c 1597 ha->device_type |= DT_FWI2;
c76f2c01 1598 ha->device_type |= DT_IIDMA;
441d1072 1599 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1600 break;
4d4df193
HK		 1601 case PCI_DEVICE_ID_QLOGIC_ISP8432:
1602 ha->device_type |= DT_ISP8432;
1603 ha->device_type |= DT_ZIO_SUPPORTED;
1604 ha->device_type |= DT_FWI2;
1605 ha->device_type |= DT_IIDMA;
1606 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1607 break;
044cc6c8
AV		 1608 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1609 ha->device_type |= DT_ISP5422;
e428924c 1610 ha->device_type |= DT_FWI2;
441d1072 1611 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1612 break;
044cc6c8
AV		 1613 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1614 ha->device_type |= DT_ISP5432;
e428924c 1615 ha->device_type |= DT_FWI2;
441d1072 1616 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1617 break;
c3a2f0df
AV		 1618 case PCI_DEVICE_ID_QLOGIC_ISP2532:
1619 ha->device_type |= DT_ISP2532;
1620 ha->device_type |= DT_ZIO_SUPPORTED;
1621 ha->device_type |= DT_FWI2;
1622 ha->device_type |= DT_IIDMA;
441d1072 1623 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1624 break;
3a03eb79
AV		 1625 case PCI_DEVICE_ID_QLOGIC_ISP8001:
1626 ha->device_type |= DT_ISP8001;
1627 ha->device_type |= DT_ZIO_SUPPORTED;
1628 ha->device_type |= DT_FWI2;
1629 ha->device_type |= DT_IIDMA;
1630 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1631 break;
ea5b6382 1632 }
e5b68a61
AC		 1633
1634 /* Get adapter physical port no from interrupt pin register. */
1635 pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
1636 if (ha->port_no & 1)
1637 ha->flags.port0 = 1;
1638 else
1639 ha->flags.port0 = 0;
ea5b6382
AV		 1640}
1641
1da177e4 1642static int
e315cd28 1643qla2x00_iospace_config(struct qla_hw_data *ha)
1da177e4 1644{
3776541d 1645 resource_size_t pio;
73208dfd 1646 uint16_t msix;
68ca949c 1647 int cpus;
1da177e4 1648
285d0321
AV		 1649 if (pci_request_selected_regions(ha->pdev, ha->bars,
1650 QLA2XXX_DRIVER_NAME)) {
1651 qla_printk(KERN_WARNING, ha,
1652 "Failed to reserve PIO/MMIO regions (%s)\n",
1653 pci_name(ha->pdev));
1654
1655 goto iospace_error_exit;
1656 }
1657 if (!(ha->bars & 1))
1658 goto skip_pio;
1659
1da177e4
LT		 1660 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1661 pio = pci_resource_start(ha->pdev, 0);
3776541d
AV		 1662 if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1663 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1da177e4
LT		 1664 qla_printk(KERN_WARNING, ha,
1665 "Invalid PCI I/O region size (%s)...\n",
1666 pci_name(ha->pdev));
1667 pio = 0;
1668 }
1669 } else {
1670 qla_printk(KERN_WARNING, ha,
1671 "region #0 not a PIO resource (%s)...\n",
1672 pci_name(ha->pdev));
1673 pio = 0;
1674 }
285d0321 1675 ha->pio_address = pio;
1da177e4 1676
285d0321 1677skip_pio:
1da177e4 1678 /* Use MMIO operations for all accesses. */
3776541d 1679 if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1da177e4 1680 qla_printk(KERN_ERR, ha,
3776541d 1681 "region #1 not an MMIO resource (%s), aborting\n",
1da177e4
LT		 1682 pci_name(ha->pdev));
1683 goto iospace_error_exit;
1684 }
3776541d 1685 if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1da177e4
LT		 1686 qla_printk(KERN_ERR, ha,
1687 "Invalid PCI mem region size (%s), aborting\n",
1688 pci_name(ha->pdev));
1689 goto iospace_error_exit;
1690 }
1691
3776541d 1692 ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1da177e4
LT		 1693 if (!ha->iobase) {
1694 qla_printk(KERN_ERR, ha,
1695 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1696
1697 goto iospace_error_exit;
1698 }
1699
73208dfd 1700 /* Determine queue resources */
2afa19a9 1701 ha->max_req_queues = ha->max_rsp_queues = 1;
68ca949c 1702 if ((ql2xmaxqueues <= 1 || ql2xmultique_tag < 1) &&
2afa19a9 1703 (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
17d98630
AC		 1704 goto mqiobase_exit;
1705 ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1706 pci_resource_len(ha->pdev, 3));
1707 if (ha->mqiobase) {
1708 /* Read MSIX vector size of the board */
1709 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1710 ha->msix_count = msix;
68ca949c
AC		 1711 /* Max queues are bounded by available msix vectors */
1712 /* queue 0 uses two msix vectors */
1713 if (ql2xmultique_tag) {
1714 cpus = num_online_cpus();
27dc9c5a 1715 ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ?
68ca949c
AC		 1716 (cpus + 1) : (ha->msix_count - 1);
1717 ha->max_req_queues = 2;
1718 } else if (ql2xmaxqueues > 1) {
2afa19a9
AC		 1719 ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ?
1720 QLA_MQ_SIZE : ql2xmaxqueues;
1721 DEBUG2(qla_printk(KERN_INFO, ha, "QoS mode set, max no"
1722 " of request queues:%d\n", ha->max_req_queues));
1723 }
68ca949c
AC		 1724 qla_printk(KERN_INFO, ha,
1725 "MSI-X vector count: %d\n", msix);
2afa19a9
AC		 1726 } else
1727 qla_printk(KERN_INFO, ha, "BAR 3 not enabled\n");
17d98630
AC		 1728
1729mqiobase_exit:
2afa19a9 1730 ha->msix_count = ha->max_rsp_queues + 1;
1da177e4
LT		 1731 return (0);
1732
1733iospace_error_exit:
1734 return (-ENOMEM);
1735}
1736
1e99e33a
AV		 1737static void
1738qla2xxx_scan_start(struct Scsi_Host *shost)
1739{
e315cd28 1740 scsi_qla_host_t *vha = shost_priv(shost);
1e99e33a 1741
cbc8eb67
AV		 1742 if (vha->hw->flags.running_gold_fw)
1743 return;
1744
e315cd28
AC		 1745 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1746 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1747 set_bit(RSCN_UPDATE, &vha->dpc_flags);
1748 set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
1e99e33a
AV		 1749}
1750
1751static int
1752qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1753{
e315cd28 1754 scsi_qla_host_t *vha = shost_priv(shost);
1e99e33a 1755
e315cd28 1756 if (!vha->host)
1e99e33a 1757 return 1;
e315cd28 1758 if (time > vha->hw->loop_reset_delay * HZ)
1e99e33a
AV		 1759 return 1;
1760
e315cd28 1761 return atomic_read(&vha->loop_state) == LOOP_READY;
1e99e33a
AV		 1762}
1763
1da177e4
LT		 1764/*
1765 * PCI driver interface
1766 */
7ee61397
AV		 1767static int __devinit
1768qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1da177e4 1769{
a1541d5a 1770 int ret = -ENODEV;
1da177e4 1771 struct Scsi_Host *host;
e315cd28
AC		 1772 scsi_qla_host_t *base_vha = NULL;
1773 struct qla_hw_data *ha;
29856e28 1774 char pci_info[30];
1da177e4 1775 char fw_str[30];
5433383e 1776 struct scsi_host_template *sht;
c51da4ec 1777 int bars, max_id, mem_only = 0;
e315cd28 1778 uint16_t req_length = 0, rsp_length = 0;
73208dfd
AC		 1779 struct req_que *req = NULL;
1780 struct rsp_que *rsp = NULL;
1da177e4 1781
285d0321 1782 bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
a5326f86 1783 sht = &qla2xxx_driver_template;
5433383e 1784 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
8bc69e7d 1785 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
4d4df193 1786 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
8bc69e7d 1787 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
c3a2f0df 1788 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
3a03eb79
AV		 1789 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
1790 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001) {
285d0321 1791 bars = pci_select_bars(pdev, IORESOURCE_MEM);
09483916 1792 mem_only = 1;
285d0321
AV		 1793 }
1794
09483916
BH		 1795 if (mem_only) {
1796 if (pci_enable_device_mem(pdev))
1797 goto probe_out;
1798 } else {
1799 if (pci_enable_device(pdev))
1800 goto probe_out;
1801 }
285d0321 1802
0927678f
JB		 1803 /* This may fail but that's ok */
1804 pci_enable_pcie_error_reporting(pdev);
285d0321 1805
e315cd28
AC		 1806 ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
1807 if (!ha) {
1808 DEBUG(printk("Unable to allocate memory for ha\n"));
1809 goto probe_out;
1da177e4 1810 }
e315cd28 1811 ha->pdev = pdev;
1da177e4
LT		 1812
1813 /* Clear our data area */
285d0321 1814 ha->bars = bars;
09483916 1815 ha->mem_only = mem_only;
df4bf0bb 1816 spin_lock_init(&ha->hardware_lock);
1da177e4 1817
ea5b6382
AV		 1818 /* Set ISP-type information. */
1819 qla2x00_set_isp_flags(ha);
ca79cf66
DG		 1820
1821 /* Set EEH reset type to fundamental if required by hba */
1822 if ( IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha)) {
1823 pdev->needs_freset = 1;
1824 pci_save_state(pdev);
1825 }
1826
1da177e4
LT		 1827 /* Configure PCI I/O space */
1828 ret = qla2x00_iospace_config(ha);
a1541d5a 1829 if (ret)
e315cd28 1830 goto probe_hw_failed;
1da177e4 1831
1da177e4 1832 qla_printk(KERN_INFO, ha,
5433383e
AV		 1833 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1834 ha->iobase);
1da177e4 1835
1da177e4 1836 ha->prev_topology = 0;
fca29703 1837 ha->init_cb_size = sizeof(init_cb_t);
d8b45213 1838 ha->link_data_rate = PORT_SPEED_UNKNOWN;
854165f4 1839 ha->optrom_size = OPTROM_SIZE_2300;
1da177e4 1840
abbd8870 1841 /* Assign ISP specific operations. */
e315cd28 1842 max_id = MAX_TARGETS_2200;
1da177e4 1843 if (IS_QLA2100(ha)) {
e315cd28 1844 max_id = MAX_TARGETS_2100;
1da177e4 1845 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
e315cd28
AC		 1846 req_length = REQUEST_ENTRY_CNT_2100;
1847 rsp_length = RESPONSE_ENTRY_CNT_2100;
1848 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
abbd8870 1849 ha->gid_list_info_size = 4;
3a03eb79
AV		 1850 ha->flash_conf_off = ~0;
1851 ha->flash_data_off = ~0;
1852 ha->nvram_conf_off = ~0;
1853 ha->nvram_data_off = ~0;
fd34f556 1854 ha->isp_ops = &qla2100_isp_ops;
1da177e4 1855 } else if (IS_QLA2200(ha)) {
1da177e4 1856 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1857 req_length = REQUEST_ENTRY_CNT_2200;
1858 rsp_length = RESPONSE_ENTRY_CNT_2100;
1859 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
abbd8870 1860 ha->gid_list_info_size = 4;
3a03eb79
AV		 1861 ha->flash_conf_off = ~0;
1862 ha->flash_data_off = ~0;
1863 ha->nvram_conf_off = ~0;
1864 ha->nvram_data_off = ~0;
fd34f556 1865 ha->isp_ops = &qla2100_isp_ops;
fca29703 1866 } else if (IS_QLA23XX(ha)) {
1da177e4 1867 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1868 req_length = REQUEST_ENTRY_CNT_2200;
1869 rsp_length = RESPONSE_ENTRY_CNT_2300;
1870 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
abbd8870 1871 ha->gid_list_info_size = 6;
854165f4
AV		 1872 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1873 ha->optrom_size = OPTROM_SIZE_2322;
3a03eb79
AV		 1874 ha->flash_conf_off = ~0;
1875 ha->flash_data_off = ~0;
1876 ha->nvram_conf_off = ~0;
1877 ha->nvram_data_off = ~0;
fd34f556 1878 ha->isp_ops = &qla2300_isp_ops;
4d4df193 1879 } else if (IS_QLA24XX_TYPE(ha)) {
fca29703 1880 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1881 req_length = REQUEST_ENTRY_CNT_24XX;
1882 rsp_length = RESPONSE_ENTRY_CNT_2300;
1883 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2c3dfe3f 1884 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
fca29703 1885 ha->gid_list_info_size = 8;
854165f4 1886 ha->optrom_size = OPTROM_SIZE_24XX;
73208dfd 1887 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
fd34f556 1888 ha->isp_ops = &qla24xx_isp_ops;
3a03eb79
AV		 1889 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
1890 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
1891 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
1892 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
c3a2f0df 1893 } else if (IS_QLA25XX(ha)) {
c3a2f0df 1894 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1895 req_length = REQUEST_ENTRY_CNT_24XX;
1896 rsp_length = RESPONSE_ENTRY_CNT_2300;
1897 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
c3a2f0df 1898 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
c3a2f0df
AV		 1899 ha->gid_list_info_size = 8;
1900 ha->optrom_size = OPTROM_SIZE_25XX;
73208dfd 1901 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
c3a2f0df 1902 ha->isp_ops = &qla25xx_isp_ops;
3a03eb79
AV		 1903 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
1904 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
1905 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
1906 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
1907 } else if (IS_QLA81XX(ha)) {
1908 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1909 req_length = REQUEST_ENTRY_CNT_24XX;
1910 rsp_length = RESPONSE_ENTRY_CNT_2300;
1911 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1912 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
1913 ha->gid_list_info_size = 8;
1914 ha->optrom_size = OPTROM_SIZE_81XX;
40859ae5 1915 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3a03eb79
AV		 1916 ha->isp_ops = &qla81xx_isp_ops;
1917 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
1918 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
1919 ha->nvram_conf_off = ~0;
1920 ha->nvram_data_off = ~0;
1da177e4 1921 }
1da177e4 1922
6c2f527c 1923 mutex_init(&ha->vport_lock);
0b05a1f0
MB		 1924 init_completion(&ha->mbx_cmd_comp);
1925 complete(&ha->mbx_cmd_comp);
1926 init_completion(&ha->mbx_intr_comp);
1da177e4 1927
2c3dfe3f 1928 set_bit(0, (unsigned long *) ha->vp_idx_map);
1da177e4 1929
53303c42 1930 qla2x00_config_dma_addressing(ha);
73208dfd 1931 ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
e315cd28 1932 if (!ret) {
1da177e4
LT		 1933 qla_printk(KERN_WARNING, ha,
1934 "[ERROR] Failed to allocate memory for adapter\n");
1935
e315cd28
AC		 1936 goto probe_hw_failed;
1937 }
1938
73208dfd 1939 req->max_q_depth = MAX_Q_DEPTH;
e315cd28 1940 if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
73208dfd
AC		 1941 req->max_q_depth = ql2xmaxqdepth;
1942
e315cd28
AC		 1943
1944 base_vha = qla2x00_create_host(sht, ha);
1945 if (!base_vha) {
1946 qla_printk(KERN_WARNING, ha,
1947 "[ERROR] Failed to allocate memory for scsi_host\n");
1948
a1541d5a 1949 ret = -ENOMEM;
6e9f21f3 1950 qla2x00_mem_free(ha);
2afa19a9
AC		 1951 qla2x00_free_req_que(ha, req);
1952 qla2x00_free_rsp_que(ha, rsp);
e315cd28 1953 goto probe_hw_failed;
1da177e4
LT		 1954 }
1955
e315cd28
AC		 1956 pci_set_drvdata(pdev, base_vha);
1957
e315cd28 1958 host = base_vha->host;
2afa19a9 1959 base_vha->req = req;
73208dfd
AC		 1960 host->can_queue = req->length + 128;
1961 if (IS_QLA2XXX_MIDTYPE(ha))
e315cd28 1962 base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
73208dfd 1963 else
e315cd28
AC		 1964 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
1965 base_vha->vp_idx;
e315cd28
AC		 1966 if (IS_QLA2100(ha))
1967 host->sg_tablesize = 32;
1968 host->max_id = max_id;
1969 host->this_id = 255;
1970 host->cmd_per_lun = 3;
1971 host->unique_id = host->host_no;
1972 host->max_cmd_len = MAX_CMDSZ;
1973 host->max_channel = MAX_BUSES - 1;
1974 host->max_lun = MAX_LUNS;
1975 host->transportt = qla2xxx_transport_template;
1976
73208dfd
AC		 1977 /* Set up the irqs */
1978 ret = qla2x00_request_irqs(ha, rsp);
1979 if (ret)
6e9f21f3 1980 goto probe_init_failed;
73208dfd 1981 /* Alloc arrays of request and response ring ptrs */
7163ea81 1982que_init:
73208dfd
AC		 1983 if (!qla2x00_alloc_queues(ha)) {
1984 qla_printk(KERN_WARNING, ha,
1985 "[ERROR] Failed to allocate memory for queue"
1986 " pointers\n");
6e9f21f3 1987 goto probe_init_failed;
73208dfd
AC		 1988 }
1989 ha->rsp_q_map[0] = rsp;
1990 ha->req_q_map[0] = req;
2afa19a9
AC		 1991 rsp->req = req;
1992 req->rsp = rsp;
1993 set_bit(0, ha->req_qid_map);
1994 set_bit(0, ha->rsp_qid_map);
08029990
AV		 1995 /* FWI2-capable only. */
1996 req->req_q_in = &ha->iobase->isp24.req_q_in;
1997 req->req_q_out = &ha->iobase->isp24.req_q_out;
1998 rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
1999 rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
17d98630 2000 if (ha->mqenable) {
08029990
AV		 2001 req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
2002 req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
2003 rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
2004 rsp->rsp_q_out = &ha->mqiobase->isp25mq.rsp_q_out;
17d98630
AC		 2005 }
2006
e315cd28 2007 if (qla2x00_initialize_adapter(base_vha)) {
1da177e4
LT		 2008 qla_printk(KERN_WARNING, ha,
2009 "Failed to initialize adapter\n");
2010
2011 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
2012 "Adapter flags %x.\n",
e315cd28 2013 base_vha->host_no, base_vha->device_flags));
1da177e4 2014
a1541d5a 2015 ret = -ENODEV;
1da177e4
LT		 2016 goto probe_failed;
2017 }
2018
7163ea81
AC		 2019 if (ha->mqenable) {
2020 if (qla25xx_setup_mode(base_vha)) {
68ca949c
AC		 2021 qla_printk(KERN_WARNING, ha,
2022 "Can't create queues, falling back to single"
2023 " queue mode\n");
7163ea81
AC		 2024 goto que_init;
2025 }
2026 }
68ca949c 2027
cbc8eb67
AV		 2028 if (ha->flags.running_gold_fw)
2029 goto skip_dpc;
2030
1da177e4
LT		 2031 /*
2032 * Startup the kernel thread for this host adapter
2033 */
39a11240 2034 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
e315cd28 2035 "%s_dpc", base_vha->host_str);
39a11240 2036 if (IS_ERR(ha->dpc_thread)) {
1da177e4
LT		 2037 qla_printk(KERN_WARNING, ha,
2038 "Unable to start DPC thread!\n");
39a11240 2039 ret = PTR_ERR(ha->dpc_thread);
1da177e4
LT		 2040 goto probe_failed;
2041 }
1da177e4 2042
cbc8eb67 2043skip_dpc:
e315cd28
AC		 2044 list_add_tail(&base_vha->list, &ha->vp_list);
2045 base_vha->host->irq = ha->pdev->irq;
1da177e4
LT		 2046
2047 /* Initialized the timer */
e315cd28 2048 qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
1da177e4
LT		 2049
2050 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
e315cd28 2051 base_vha->host_no, ha));
d19044c3 2052
a1541d5a
AV		 2053 ret = scsi_add_host(host, &pdev->dev);
2054 if (ret)
2055 goto probe_failed;
2056
1486400f
MR		 2057 base_vha->flags.init_done = 1;
2058 base_vha->flags.online = 1;
2059
048feec5
AV		 2060 ha->isp_ops->enable_intrs(ha);
2061
1e99e33a
AV		 2062 scsi_scan_host(host);
2063
e315cd28 2064 qla2x00_alloc_sysfs_attr(base_vha);
a1541d5a 2065
e315cd28 2066 qla2x00_init_host_attr(base_vha);
a1541d5a 2067
e315cd28 2068 qla2x00_dfs_setup(base_vha);
df613b96 2069
1da177e4
LT		 2070 qla_printk(KERN_INFO, ha, "\n"
2071 " QLogic Fibre Channel HBA Driver: %s\n"
2072 " QLogic %s - %s\n"
5433383e
AV		 2073 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
2074 qla2x00_version_str, ha->model_number,
e315cd28
AC		 2075 ha->model_desc ? ha->model_desc : "", pdev->device,
2076 ha->isp_ops->pci_info_str(base_vha, pci_info), pci_name(pdev),
2077 ha->flags.enable_64bit_addressing ? '+' : '-', base_vha->host_no,
2078 ha->isp_ops->fw_version_str(base_vha, fw_str));
1da177e4 2079
1da177e4
LT		 2080 return 0;
2081
6e9f21f3 2082probe_init_failed:
2afa19a9
AC		 2083 qla2x00_free_req_que(ha, req);
2084 qla2x00_free_rsp_que(ha, rsp);
2085 ha->max_req_queues = ha->max_rsp_queues = 0;
6e9f21f3 2086
1da177e4 2087probe_failed:
b9978769
AV		 2088 if (base_vha->timer_active)
2089 qla2x00_stop_timer(base_vha);
2090 base_vha->flags.online = 0;
2091 if (ha->dpc_thread) {
2092 struct task_struct *t = ha->dpc_thread;
2093
2094 ha->dpc_thread = NULL;
2095 kthread_stop(t);
2096 }
2097
e315cd28 2098 qla2x00_free_device(base_vha);
1da177e4 2099
e315cd28 2100 scsi_host_put(base_vha->host);
1da177e4 2101
e315cd28
AC		 2102probe_hw_failed:
2103 if (ha->iobase)
2104 iounmap(ha->iobase);
2105
2106 pci_release_selected_regions(ha->pdev, ha->bars);
2107 kfree(ha);
2108 ha = NULL;
1da177e4 2109
a1541d5a 2110probe_out:
e315cd28 2111 pci_disable_device(pdev);
a1541d5a 2112 return ret;
1da177e4 2113}
1da177e4 2114
4c993f76 2115static void
7ee61397 2116qla2x00_remove_one(struct pci_dev *pdev)
1da177e4 2117{
e315cd28
AC		 2118 scsi_qla_host_t *base_vha, *vha, *temp;
2119 struct qla_hw_data *ha;
2120
2121 base_vha = pci_get_drvdata(pdev);
2122 ha = base_vha->hw;
2123
2124 list_for_each_entry_safe(vha, temp, &ha->vp_list, list) {
2125 if (vha && vha->fc_vport)
2126 fc_vport_terminate(vha->fc_vport);
2127 }
1da177e4 2128
e315cd28 2129 set_bit(UNLOADING, &base_vha->dpc_flags);
1da177e4 2130
b9978769
AV		 2131 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
2132
e315cd28 2133 qla2x00_dfs_remove(base_vha);
c795c1e4 2134
e315cd28 2135 qla84xx_put_chip(base_vha);
c795c1e4 2136
b9978769
AV		 2137 /* Disable timer */
2138 if (base_vha->timer_active)
2139 qla2x00_stop_timer(base_vha);
2140
2141 base_vha->flags.online = 0;
2142
68ca949c
AC		 2143 /* Flush the work queue and remove it */
2144 if (ha->wq) {
2145 flush_workqueue(ha->wq);
2146 destroy_workqueue(ha->wq);
2147 ha->wq = NULL;
2148 }
2149
b9978769
AV		 2150 /* Kill the kernel thread for this host */
2151 if (ha->dpc_thread) {
2152 struct task_struct *t = ha->dpc_thread;
2153
2154 /*
2155 * qla2xxx_wake_dpc checks for ->dpc_thread
2156 * so we need to zero it out.
2157 */
2158 ha->dpc_thread = NULL;
2159 kthread_stop(t);
2160 }
2161
e315cd28 2162 qla2x00_free_sysfs_attr(base_vha);
df613b96 2163
e315cd28 2164 fc_remove_host(base_vha->host);
4d4df193 2165
e315cd28 2166 scsi_remove_host(base_vha->host);
1da177e4 2167
e315cd28 2168 qla2x00_free_device(base_vha);
bdf79621 2169
e315cd28 2170 scsi_host_put(base_vha->host);
1da177e4 2171
e315cd28
AC		 2172 if (ha->iobase)
2173 iounmap(ha->iobase);
1da177e4 2174
73208dfd
AC		 2175 if (ha->mqiobase)
2176 iounmap(ha->mqiobase);
2177
e315cd28
AC		 2178 pci_release_selected_regions(ha->pdev, ha->bars);
2179 kfree(ha);
2180 ha = NULL;
1da177e4 2181
665db93b 2182 pci_disable_device(pdev);
1da177e4
LT		 2183 pci_set_drvdata(pdev, NULL);
2184}
1da177e4
LT		 2185
2186static void
e315cd28 2187qla2x00_free_device(scsi_qla_host_t *vha)
1da177e4 2188{
e315cd28 2189 struct qla_hw_data *ha = vha->hw;
1da177e4 2190
85880801
AV		 2191 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
2192
2193 /* Disable timer */
2194 if (vha->timer_active)
2195 qla2x00_stop_timer(vha);
2196
2197 /* Kill the kernel thread for this host */
2198 if (ha->dpc_thread) {
2199 struct task_struct *t = ha->dpc_thread;
2200
2201 /*
2202 * qla2xxx_wake_dpc checks for ->dpc_thread
2203 * so we need to zero it out.
2204 */
2205 ha->dpc_thread = NULL;
2206 kthread_stop(t);
2207 }
2208
2afa19a9
AC		 2209 qla25xx_delete_queues(vha);
2210
df613b96 2211 if (ha->flags.fce_enabled)
e315cd28 2212 qla2x00_disable_fce_trace(vha, NULL, NULL);
df613b96 2213
a7a167bf 2214 if (ha->eft)
e315cd28 2215 qla2x00_disable_eft_trace(vha);
a7a167bf 2216
f6ef3b18 2217 /* Stop currently executing firmware. */
e315cd28 2218 qla2x00_try_to_stop_firmware(vha);
1da177e4 2219
85880801
AV		 2220 vha->flags.online = 0;
2221
f6ef3b18
AV		 2222 /* turn-off interrupts on the card */
2223 if (ha->interrupts_on)
fd34f556 2224 ha->isp_ops->disable_intrs(ha);
f6ef3b18 2225
e315cd28 2226 qla2x00_free_irqs(vha);
1da177e4 2227
e315cd28 2228 qla2x00_mem_free(ha);
73208dfd
AC		 2229
2230 qla2x00_free_queues(ha);
1da177e4
LT		 2231}
2232
d97994dc 2233static inline void
e315cd28 2234qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
d97994dc
AV		 2235 int defer)
2236{
d97994dc 2237 struct fc_rport *rport;
67becc00 2238 scsi_qla_host_t *base_vha;
d97994dc
AV		 2239
2240 if (!fcport->rport)
2241 return;
2242
2243 rport = fcport->rport;
2244 if (defer) {
67becc00 2245 base_vha = pci_get_drvdata(vha->hw->pdev);
e315cd28 2246 spin_lock_irq(vha->host->host_lock);
d97994dc 2247 fcport->drport = rport;
e315cd28 2248 spin_unlock_irq(vha->host->host_lock);
67becc00
AV		 2249 set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
2250 qla2xxx_wake_dpc(base_vha);
5f3a9a20 2251 } else
d97994dc 2252 fc_remote_port_delete(rport);
d97994dc
AV		 2253}
2254
1da177e4
LT		 2255/*
2256 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
2257 *
2258 * Input: ha = adapter block pointer. fcport = port structure pointer.
2259 *
2260 * Return: None.
2261 *
2262 * Context:
2263 */
e315cd28 2264void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
d97994dc 2265 int do_login, int defer)
1da177e4 2266{
2c3dfe3f 2267 if (atomic_read(&fcport->state) == FCS_ONLINE &&
e315cd28
AC		 2268 vha->vp_idx == fcport->vp_idx) {
2269 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2270 qla2x00_schedule_rport_del(vha, fcport, defer);
2271 }
fa2a1ce5 2272 /*
1da177e4
LT		 2273 * We may need to retry the login, so don't change the state of the
2274 * port but do the retries.
2275 */
2276 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
2277 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2278
2279 if (!do_login)
2280 return;
2281
2282 if (fcport->login_retry == 0) {
e315cd28
AC		 2283 fcport->login_retry = vha->hw->login_retry_count;
2284 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1da177e4
LT		 2285
2286 DEBUG(printk("scsi(%ld): Port login retry: "
2287 "%02x%02x%02x%02x%02x%02x%02x%02x, "
2288 "id = 0x%04x retry cnt=%d\n",
e315cd28 2289 vha->host_no,
1da177e4
LT		 2290 fcport->port_name[0],
2291 fcport->port_name[1],
2292 fcport->port_name[2],
2293 fcport->port_name[3],
2294 fcport->port_name[4],
2295 fcport->port_name[5],
2296 fcport->port_name[6],
2297 fcport->port_name[7],
2298 fcport->loop_id,
2299 fcport->login_retry));
2300 }
2301}
2302
2303/*
2304 * qla2x00_mark_all_devices_lost
2305 * Updates fcport state when device goes offline.
2306 *
2307 * Input:
2308 * ha = adapter block pointer.
2309 * fcport = port structure pointer.
2310 *
2311 * Return:
2312 * None.
2313 *
2314 * Context:
2315 */
2316void
e315cd28 2317qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
1da177e4
LT		 2318{
2319 fc_port_t *fcport;
2320
e315cd28 2321 list_for_each_entry(fcport, &vha->vp_fcports, list) {
0d6e61bc 2322 if (vha->vp_idx != 0 && vha->vp_idx != fcport->vp_idx)
1da177e4 2323 continue;
0d6e61bc 2324
1da177e4
LT		 2325 /*
2326 * No point in marking the device as lost, if the device is
2327 * already DEAD.
2328 */
2329 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
2330 continue;
e315cd28 2331 if (atomic_read(&fcport->state) == FCS_ONLINE) {
0d6e61bc
AV		 2332 if (defer)
2333 qla2x00_schedule_rport_del(vha, fcport, defer);
2334 else if (vha->vp_idx == fcport->vp_idx)
2335 qla2x00_schedule_rport_del(vha, fcport, defer);
2336 }
2337 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1da177e4
LT		 2338 }
2339}
2340
2341/*
2342* qla2x00_mem_alloc
2343* Allocates adapter memory.
2344*
2345* Returns:
2346* 0 = success.
e8711085 2347* !0 = failure.
1da177e4 2348*/
e8711085 2349static int
73208dfd
AC		 2350qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
2351 struct req_que **req, struct rsp_que **rsp)
1da177e4
LT		 2352{
2353 char name[16];
1da177e4 2354
e8711085 2355 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
e315cd28 2356 &ha->init_cb_dma, GFP_KERNEL);
e8711085 2357 if (!ha->init_cb)
e315cd28 2358 goto fail;
e8711085 2359
e315cd28
AC		 2360 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2361 &ha->gid_list_dma, GFP_KERNEL);
2362 if (!ha->gid_list)
e8711085 2363 goto fail_free_init_cb;
1da177e4 2364
e8711085
AV		 2365 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2366 if (!ha->srb_mempool)
e315cd28 2367 goto fail_free_gid_list;
e8711085
AV		 2368
2369 /* Get memory for cached NVRAM */
2370 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2371 if (!ha->nvram)
2372 goto fail_free_srb_mempool;
2373
e315cd28
AC		 2374 snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
2375 ha->pdev->device);
2376 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2377 DMA_POOL_SIZE, 8, 0);
2378 if (!ha->s_dma_pool)
2379 goto fail_free_nvram;
2380
e8711085
AV		 2381 /* Allocate memory for SNS commands */
2382 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
e315cd28 2383 /* Get consistent memory allocated for SNS commands */
e8711085 2384 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
e315cd28 2385 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
e8711085 2386 if (!ha->sns_cmd)
e315cd28 2387 goto fail_dma_pool;
e8711085 2388 } else {
e315cd28 2389 /* Get consistent memory allocated for MS IOCB */
e8711085 2390 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
e315cd28 2391 &ha->ms_iocb_dma);
e8711085 2392 if (!ha->ms_iocb)
e315cd28
AC		 2393 goto fail_dma_pool;
2394 /* Get consistent memory allocated for CT SNS commands */
e8711085 2395 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
e315cd28 2396 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
e8711085
AV		 2397 if (!ha->ct_sns)
2398 goto fail_free_ms_iocb;
1da177e4
LT		 2399 }
2400
e315cd28 2401 /* Allocate memory for request ring */
73208dfd
AC		 2402 *req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
2403 if (!*req) {
e315cd28
AC		 2404 DEBUG(printk("Unable to allocate memory for req\n"));
2405 goto fail_req;
2406 }
73208dfd
AC		 2407 (*req)->length = req_len;
2408 (*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
2409 ((*req)->length + 1) * sizeof(request_t),
2410 &(*req)->dma, GFP_KERNEL);
2411 if (!(*req)->ring) {
e315cd28
AC		 2412 DEBUG(printk("Unable to allocate memory for req_ring\n"));
2413 goto fail_req_ring;
2414 }
2415 /* Allocate memory for response ring */
73208dfd
AC		 2416 *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
2417 if (!*rsp) {
2418 qla_printk(KERN_WARNING, ha,
2419 "Unable to allocate memory for rsp\n");
e315cd28
AC		 2420 goto fail_rsp;
2421 }
73208dfd
AC		 2422 (*rsp)->hw = ha;
2423 (*rsp)->length = rsp_len;
2424 (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
2425 ((*rsp)->length + 1) * sizeof(response_t),
2426 &(*rsp)->dma, GFP_KERNEL);
2427 if (!(*rsp)->ring) {
2428 qla_printk(KERN_WARNING, ha,
2429 "Unable to allocate memory for rsp_ring\n");
e315cd28
AC		 2430 goto fail_rsp_ring;
2431 }
73208dfd
AC		 2432 (*req)->rsp = *rsp;
2433 (*rsp)->req = *req;
2434 /* Allocate memory for NVRAM data for vports */
2435 if (ha->nvram_npiv_size) {
2436 ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
2437 ha->nvram_npiv_size, GFP_KERNEL);
2438 if (!ha->npiv_info) {
2439 qla_printk(KERN_WARNING, ha,
2440 "Unable to allocate memory for npiv info\n");
2441 goto fail_npiv_info;
2442 }
2443 } else
2444 ha->npiv_info = NULL;
e8711085 2445
b64b0e8f
AV		 2446 /* Get consistent memory allocated for EX-INIT-CB. */
2447 if (IS_QLA81XX(ha)) {
2448 ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2449 &ha->ex_init_cb_dma);
2450 if (!ha->ex_init_cb)
2451 goto fail_ex_init_cb;
2452 }
2453
e315cd28
AC		 2454 INIT_LIST_HEAD(&ha->vp_list);
2455 return 1;
2456
b64b0e8f
AV		 2457fail_ex_init_cb:
2458 kfree(ha->npiv_info);
73208dfd
AC		 2459fail_npiv_info:
2460 dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
2461 sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
2462 (*rsp)->ring = NULL;
2463 (*rsp)->dma = 0;
e315cd28 2464fail_rsp_ring:
73208dfd 2465 kfree(*rsp);
e315cd28 2466fail_rsp:
73208dfd
AC		 2467 dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
2468 sizeof(request_t), (*req)->ring, (*req)->dma);
2469 (*req)->ring = NULL;
2470 (*req)->dma = 0;
e315cd28 2471fail_req_ring:
73208dfd 2472 kfree(*req);
e315cd28
AC		 2473fail_req:
2474 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2475 ha->ct_sns, ha->ct_sns_dma);
2476 ha->ct_sns = NULL;
2477 ha->ct_sns_dma = 0;
e8711085
AV		 2478fail_free_ms_iocb:
2479 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2480 ha->ms_iocb = NULL;
2481 ha->ms_iocb_dma = 0;
e315cd28
AC		 2482fail_dma_pool:
2483 dma_pool_destroy(ha->s_dma_pool);
2484 ha->s_dma_pool = NULL;
e8711085
AV		 2485fail_free_nvram:
2486 kfree(ha->nvram);
2487 ha->nvram = NULL;
2488fail_free_srb_mempool:
2489 mempool_destroy(ha->srb_mempool);
2490 ha->srb_mempool = NULL;
e8711085
AV		 2491fail_free_gid_list:
2492 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
e315cd28 2493 ha->gid_list_dma);
e8711085
AV		 2494 ha->gid_list = NULL;
2495 ha->gid_list_dma = 0;
e315cd28
AC		 2496fail_free_init_cb:
2497 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
2498 ha->init_cb_dma);
2499 ha->init_cb = NULL;
2500 ha->init_cb_dma = 0;
e8711085 2501fail:
e315cd28 2502 DEBUG(printk("%s: Memory allocation failure\n", __func__));
e8711085 2503 return -ENOMEM;
1da177e4
LT		 2504}
2505
2506/*
2507* qla2x00_mem_free
2508* Frees all adapter allocated memory.
2509*
2510* Input:
2511* ha = adapter block pointer.
2512*/
a824ebb3 2513static void
e315cd28 2514qla2x00_mem_free(struct qla_hw_data *ha)
1da177e4 2515{
e8711085
AV		 2516 if (ha->srb_mempool)
2517 mempool_destroy(ha->srb_mempool);
1da177e4 2518
df613b96
AV		 2519 if (ha->fce)
2520 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
e315cd28 2521 ha->fce_dma);
df613b96 2522
a7a167bf
AV		 2523 if (ha->fw_dump) {
2524 if (ha->eft)
2525 dma_free_coherent(&ha->pdev->dev,
e315cd28 2526 ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
a7a167bf
AV		 2527 vfree(ha->fw_dump);
2528 }
2529
11bbc1d8
AV		 2530 if (ha->dcbx_tlv)
2531 dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
2532 ha->dcbx_tlv, ha->dcbx_tlv_dma);
2533
ce0423f4
AV		 2534 if (ha->xgmac_data)
2535 dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
2536 ha->xgmac_data, ha->xgmac_data_dma);
2537
1da177e4
LT		 2538 if (ha->sns_cmd)
2539 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
e315cd28 2540 ha->sns_cmd, ha->sns_cmd_dma);
1da177e4
LT		 2541
2542 if (ha->ct_sns)
2543 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
e315cd28 2544 ha->ct_sns, ha->ct_sns_dma);
1da177e4 2545
88729e53
AV		 2546 if (ha->sfp_data)
2547 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2548
ad0ecd61
JC		 2549 if (ha->edc_data)
2550 dma_pool_free(ha->s_dma_pool, ha->edc_data, ha->edc_data_dma);
2551
1da177e4
LT		 2552 if (ha->ms_iocb)
2553 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2554
b64b0e8f
AV		 2555 if (ha->ex_init_cb)
2556 dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
2557
1da177e4
LT		 2558 if (ha->s_dma_pool)
2559 dma_pool_destroy(ha->s_dma_pool);
2560
1da177e4
LT		 2561 if (ha->gid_list)
2562 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
e315cd28 2563 ha->gid_list_dma);
1da177e4 2564
e315cd28
AC		 2565 if (ha->init_cb)
2566 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2567 ha->init_cb, ha->init_cb_dma);
2568 vfree(ha->optrom_buffer);
2569 kfree(ha->nvram);
73208dfd 2570 kfree(ha->npiv_info);
1da177e4 2571
e8711085 2572 ha->srb_mempool = NULL;
a7a167bf
AV		 2573 ha->eft = NULL;
2574 ha->eft_dma = 0;
1da177e4
LT		 2575 ha->sns_cmd = NULL;
2576 ha->sns_cmd_dma = 0;
2577 ha->ct_sns = NULL;
2578 ha->ct_sns_dma = 0;
2579 ha->ms_iocb = NULL;
2580 ha->ms_iocb_dma = 0;
1da177e4
LT		 2581 ha->init_cb = NULL;
2582 ha->init_cb_dma = 0;
b64b0e8f
AV		 2583 ha->ex_init_cb = NULL;
2584 ha->ex_init_cb_dma = 0;
1da177e4
LT		 2585
2586 ha->s_dma_pool = NULL;
2587
1da177e4
LT		 2588 ha->gid_list = NULL;
2589 ha->gid_list_dma = 0;
2590
e315cd28
AC		 2591 ha->fw_dump = NULL;
2592 ha->fw_dumped = 0;
2593 ha->fw_dump_reading = 0;
e315cd28 2594}
1da177e4 2595
e315cd28
AC		 2596struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
2597 struct qla_hw_data *ha)
2598{
2599 struct Scsi_Host *host;
2600 struct scsi_qla_host *vha = NULL;
854165f4 2601
e315cd28
AC		 2602 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
2603 if (host == NULL) {
2604 printk(KERN_WARNING
2605 "qla2xxx: Couldn't allocate host from scsi layer!\n");
2606 goto fail;
2607 }
2608
2609 /* Clear our data area */
2610 vha = shost_priv(host);
2611 memset(vha, 0, sizeof(scsi_qla_host_t));
2612
2613 vha->host = host;
2614 vha->host_no = host->host_no;
2615 vha->hw = ha;
2616
2617 INIT_LIST_HEAD(&vha->vp_fcports);
2618 INIT_LIST_HEAD(&vha->work_list);
2619 INIT_LIST_HEAD(&vha->list);
2620
f999f4c1
AV		 2621 spin_lock_init(&vha->work_lock);
2622
e315cd28
AC		 2623 sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
2624 return vha;
2625
2626fail:
2627 return vha;
1da177e4
LT		 2628}
2629
01ef66bb 2630static struct qla_work_evt *
f999f4c1 2631qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
0971de7f
AV		 2632{
2633 struct qla_work_evt *e;
2634
f999f4c1 2635 e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
0971de7f
AV		 2636 if (!e)
2637 return NULL;
2638
2639 INIT_LIST_HEAD(&e->list);
2640 e->type = type;
2641 e->flags = QLA_EVT_FLAG_FREE;
2642 return e;
2643}
2644
01ef66bb 2645static int
f999f4c1 2646qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
0971de7f 2647{
f999f4c1 2648 unsigned long flags;
0971de7f 2649
f999f4c1 2650 spin_lock_irqsave(&vha->work_lock, flags);
e315cd28 2651 list_add_tail(&e->list, &vha->work_list);
f999f4c1 2652 spin_unlock_irqrestore(&vha->work_lock, flags);
e315cd28 2653 qla2xxx_wake_dpc(vha);
f999f4c1 2654
0971de7f
AV		 2655 return QLA_SUCCESS;
2656}
2657
2658int
e315cd28 2659qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
0971de7f
AV		 2660 u32 data)
2661{
2662 struct qla_work_evt *e;
2663
f999f4c1 2664 e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
0971de7f
AV		 2665 if (!e)
2666 return QLA_FUNCTION_FAILED;
2667
2668 e->u.aen.code = code;
2669 e->u.aen.data = data;
f999f4c1 2670 return qla2x00_post_work(vha, e);
0971de7f
AV		 2671}
2672
8a659571
AV		 2673int
2674qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
2675{
2676 struct qla_work_evt *e;
2677
f999f4c1 2678 e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
8a659571
AV		 2679 if (!e)
2680 return QLA_FUNCTION_FAILED;
2681
2682 memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
f999f4c1 2683 return qla2x00_post_work(vha, e);
8a659571
AV		 2684}
2685
ac280b67
AV		 2686#define qla2x00_post_async_work(name, type) \
2687int qla2x00_post_async_##name##_work( \
2688 struct scsi_qla_host *vha, \
2689 fc_port_t *fcport, uint16_t *data) \
2690{ \
2691 struct qla_work_evt *e; \
2692 \
2693 e = qla2x00_alloc_work(vha, type); \
2694 if (!e) \
2695 return QLA_FUNCTION_FAILED; \
2696 \
2697 e->u.logio.fcport = fcport; \
2698 if (data) { \
2699 e->u.logio.data[0] = data[0]; \
2700 e->u.logio.data[1] = data[1]; \
2701 } \
2702 return qla2x00_post_work(vha, e); \
2703}
2704
2705qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
2706qla2x00_post_async_work(login_done, QLA_EVT_ASYNC_LOGIN_DONE);
2707qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
2708qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE);
2709
3420d36c
AV		 2710int
2711qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
2712{
2713 struct qla_work_evt *e;
2714
2715 e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
2716 if (!e)
2717 return QLA_FUNCTION_FAILED;
2718
2719 e->u.uevent.code = code;
2720 return qla2x00_post_work(vha, e);
2721}
2722
2723static void
2724qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
2725{
2726 char event_string[40];
2727 char *envp[] = { event_string, NULL };
2728
2729 switch (code) {
2730 case QLA_UEVENT_CODE_FW_DUMP:
2731 snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld",
2732 vha->host_no);
2733 break;
2734 default:
2735 /* do nothing */
2736 break;
2737 }
2738 kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
2739}
2740
ac280b67 2741void
e315cd28 2742qla2x00_do_work(struct scsi_qla_host *vha)
0971de7f 2743{
f999f4c1
AV		 2744 struct qla_work_evt *e, *tmp;
2745 unsigned long flags;
2746 LIST_HEAD(work);
0971de7f 2747
f999f4c1
AV		 2748 spin_lock_irqsave(&vha->work_lock, flags);
2749 list_splice_init(&vha->work_list, &work);
2750 spin_unlock_irqrestore(&vha->work_lock, flags);
2751
2752 list_for_each_entry_safe(e, tmp, &work, list) {
0971de7f 2753 list_del_init(&e->list);
0971de7f
AV		 2754
2755 switch (e->type) {
2756 case QLA_EVT_AEN:
e315cd28 2757 fc_host_post_event(vha->host, fc_get_event_number(),
0971de7f
AV		 2758 e->u.aen.code, e->u.aen.data);
2759 break;
8a659571
AV		 2760 case QLA_EVT_IDC_ACK:
2761 qla81xx_idc_ack(vha, e->u.idc_ack.mb);
2762 break;
ac280b67
AV		 2763 case QLA_EVT_ASYNC_LOGIN:
2764 qla2x00_async_login(vha, e->u.logio.fcport,
2765 e->u.logio.data);
2766 break;
2767 case QLA_EVT_ASYNC_LOGIN_DONE:
2768 qla2x00_async_login_done(vha, e->u.logio.fcport,
2769 e->u.logio.data);
2770 break;
2771 case QLA_EVT_ASYNC_LOGOUT:
2772 qla2x00_async_logout(vha, e->u.logio.fcport);
2773 break;
2774 case QLA_EVT_ASYNC_LOGOUT_DONE:
2775 qla2x00_async_logout_done(vha, e->u.logio.fcport,
2776 e->u.logio.data);
2777 break;
3420d36c
AV		 2778 case QLA_EVT_UEVENT:
2779 qla2x00_uevent_emit(vha, e->u.uevent.code);
2780 break;
0971de7f
AV		 2781 }
2782 if (e->flags & QLA_EVT_FLAG_FREE)
2783 kfree(e);
e315cd28 2784 }
e315cd28 2785}
f999f4c1 2786
e315cd28
AC		 2787/* Relogins all the fcports of a vport
2788 * Context: dpc thread
2789 */
2790void qla2x00_relogin(struct scsi_qla_host *vha)
2791{
2792 fc_port_t *fcport;
c6b2fca8 2793 int status;
e315cd28
AC		 2794 uint16_t next_loopid = 0;
2795 struct qla_hw_data *ha = vha->hw;
ac280b67 2796 uint16_t data[2];
e315cd28
AC		 2797
2798 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2799 /*
2800 * If the port is not ONLINE then try to login
2801 * to it if we haven't run out of retries.
2802 */
2803 if (atomic_read(&fcport->state) !=
2804 FCS_ONLINE && fcport->login_retry) {
2805
ac280b67 2806 fcport->login_retry--;
e315cd28
AC		 2807 if (fcport->flags & FCF_FABRIC_DEVICE) {
2808 if (fcport->flags & FCF_TAPE_PRESENT)
2809 ha->isp_ops->fabric_logout(vha,
2810 fcport->loop_id,
2811 fcport->d_id.b.domain,
2812 fcport->d_id.b.area,
2813 fcport->d_id.b.al_pa);
2814
ac280b67
AV		 2815 if (IS_ALOGIO_CAPABLE(ha)) {
2816 data[0] = 0;
2817 data[1] = QLA_LOGIO_LOGIN_RETRIED;
2818 status = qla2x00_post_async_login_work(
2819 vha, fcport, data);
2820 if (status == QLA_SUCCESS)
2821 continue;
2822 /* Attempt a retry. */
2823 status = 1;
2824 } else
2825 status = qla2x00_fabric_login(vha,
2826 fcport, &next_loopid);
e315cd28
AC		 2827 } else
2828 status = qla2x00_local_device_login(vha,
2829 fcport);
2830
e315cd28
AC		 2831 if (status == QLA_SUCCESS) {
2832 fcport->old_loop_id = fcport->loop_id;
2833
2834 DEBUG(printk("scsi(%ld): port login OK: logged "
2835 "in ID 0x%x\n", vha->host_no, fcport->loop_id));
2836
2837 qla2x00_update_fcport(vha, fcport);
2838
2839 } else if (status == 1) {
2840 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2841 /* retry the login again */
2842 DEBUG(printk("scsi(%ld): Retrying"
2843 " %d login again loop_id 0x%x\n",
2844 vha->host_no, fcport->login_retry,
2845 fcport->loop_id));
2846 } else {
2847 fcport->login_retry = 0;
2848 }
2849
2850 if (fcport->login_retry == 0 && status != QLA_SUCCESS)
2851 fcport->loop_id = FC_NO_LOOP_ID;
2852 }
2853 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2854 break;
0971de7f 2855 }
0971de7f
AV		 2856}
2857
1da177e4
LT		 2858/**************************************************************************
2859* qla2x00_do_dpc
2860* This kernel thread is a task that is schedule by the interrupt handler
2861* to perform the background processing for interrupts.
2862*
2863* Notes:
2864* This task always run in the context of a kernel thread. It
2865* is kick-off by the driver's detect code and starts up
2866* up one per adapter. It immediately goes to sleep and waits for
2867* some fibre event. When either the interrupt handler or
2868* the timer routine detects a event it will one of the task
2869* bits then wake us up.
2870**************************************************************************/
2871static int
2872qla2x00_do_dpc(void *data)
2873{
2c3dfe3f 2874 int rval;
e315cd28
AC		 2875 scsi_qla_host_t *base_vha;
2876 struct qla_hw_data *ha;
1da177e4 2877
e315cd28
AC		 2878 ha = (struct qla_hw_data *)data;
2879 base_vha = pci_get_drvdata(ha->pdev);
1da177e4 2880
1da177e4
LT		 2881 set_user_nice(current, -20);
2882
39a11240 2883 while (!kthread_should_stop()) {
1da177e4
LT		 2884 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2885
39a11240
CH		 2886 set_current_state(TASK_INTERRUPTIBLE);
2887 schedule();
2888 __set_current_state(TASK_RUNNING);
1da177e4
LT		 2889
2890 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2891
2892 /* Initialization not yet finished. Don't do anything yet. */
e315cd28 2893 if (!base_vha->flags.init_done)
1da177e4
LT		 2894 continue;
2895
85880801
AV		 2896 if (ha->flags.eeh_busy) {
2897 DEBUG17(qla_printk(KERN_WARNING, ha,
2898 "qla2x00_do_dpc: dpc_flags: %lx\n",
2899 base_vha->dpc_flags));
2900 continue;
2901 }
2902
e315cd28 2903 DEBUG3(printk("scsi(%ld): DPC handler\n", base_vha->host_no));
1da177e4
LT		 2904
2905 ha->dpc_active = 1;
2906
1da177e4 2907 if (ha->flags.mbox_busy) {
1da177e4
LT		 2908 ha->dpc_active = 0;
2909 continue;
2910 }
2911
e315cd28 2912 qla2x00_do_work(base_vha);
0971de7f 2913
e315cd28
AC		 2914 if (test_and_clear_bit(ISP_ABORT_NEEDED,
2915 &base_vha->dpc_flags)) {
1da177e4
LT		 2916
2917 DEBUG(printk("scsi(%ld): dpc: sched "
2918 "qla2x00_abort_isp ha = %p\n",
e315cd28 2919 base_vha->host_no, ha));
1da177e4 2920 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
e315cd28 2921 &base_vha->dpc_flags))) {
1da177e4 2922
e315cd28 2923 if (qla2x00_abort_isp(base_vha)) {
1da177e4
LT		 2924 /* failed. retry later */
2925 set_bit(ISP_ABORT_NEEDED,
e315cd28 2926 &base_vha->dpc_flags);
99363ef8 2927 }
e315cd28
AC		 2928 clear_bit(ABORT_ISP_ACTIVE,
2929 &base_vha->dpc_flags);
99363ef8
SJ		 2930 }
2931
1da177e4 2932 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
e315cd28 2933 base_vha->host_no));
1da177e4
LT		 2934 }
2935
e315cd28
AC		 2936 if (test_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags)) {
2937 qla2x00_update_fcports(base_vha);
2938 clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
c9c5ced9 2939 }
d97994dc 2940
e315cd28
AC		 2941 if (test_and_clear_bit(RESET_MARKER_NEEDED,
2942 &base_vha->dpc_flags) &&
2943 (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
1da177e4
LT		 2944
2945 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
e315cd28 2946 base_vha->host_no));
1da177e4 2947
e315cd28
AC		 2948 qla2x00_rst_aen(base_vha);
2949 clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
1da177e4
LT		 2950 }
2951
2952 /* Retry each device up to login retry count */
e315cd28
AC		 2953 if ((test_and_clear_bit(RELOGIN_NEEDED,
2954 &base_vha->dpc_flags)) &&
2955 !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
2956 atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
1da177e4
LT		 2957
2958 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
e315cd28
AC		 2959 base_vha->host_no));
2960 qla2x00_relogin(base_vha);
2961
1da177e4 2962 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
e315cd28 2963 base_vha->host_no));
1da177e4
LT		 2964 }
2965
e315cd28
AC		 2966 if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
2967 &base_vha->dpc_flags)) {
1da177e4
LT		 2968
2969 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
e315cd28 2970 base_vha->host_no));
1da177e4
LT		 2971
2972 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
e315cd28 2973 &base_vha->dpc_flags))) {
1da177e4 2974
e315cd28 2975 rval = qla2x00_loop_resync(base_vha);
1da177e4 2976
e315cd28
AC		 2977 clear_bit(LOOP_RESYNC_ACTIVE,
2978 &base_vha->dpc_flags);
1da177e4
LT		 2979 }
2980
2981 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
e315cd28 2982 base_vha->host_no));
1da177e4
LT		 2983 }
2984
e315cd28
AC		 2985 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
2986 atomic_read(&base_vha->loop_state) == LOOP_READY) {
2987 clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
2988 qla2xxx_flash_npiv_conf(base_vha);
272976ca
AV		 2989 }
2990
1da177e4 2991 if (!ha->interrupts_on)
fd34f556 2992 ha->isp_ops->enable_intrs(ha);
1da177e4 2993
e315cd28
AC		 2994 if (test_and_clear_bit(BEACON_BLINK_NEEDED,
2995 &base_vha->dpc_flags))
2996 ha->isp_ops->beacon_blink(base_vha);
f6df144c 2997
e315cd28 2998 qla2x00_do_dpc_all_vps(base_vha);
2c3dfe3f 2999
1da177e4
LT		 3000 ha->dpc_active = 0;
3001 } /* End of while(1) */
3002
e315cd28 3003 DEBUG(printk("scsi(%ld): DPC handler exiting\n", base_vha->host_no));
1da177e4
LT		 3004
3005 /*
3006 * Make sure that nobody tries to wake us up again.
3007 */
1da177e4
LT		 3008 ha->dpc_active = 0;
3009
ac280b67
AV		 3010 /* Cleanup any residual CTX SRBs. */
3011 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
3012
39a11240
CH		 3013 return 0;
3014}
3015
3016void
e315cd28 3017qla2xxx_wake_dpc(struct scsi_qla_host *vha)
39a11240 3018{
e315cd28 3019 struct qla_hw_data *ha = vha->hw;
c795c1e4
AV		 3020 struct task_struct *t = ha->dpc_thread;
3021
e315cd28 3022 if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
c795c1e4 3023 wake_up_process(t);
1da177e4
LT		 3024}
3025
1da177e4
LT		 3026/*
3027* qla2x00_rst_aen
3028* Processes asynchronous reset.
3029*
3030* Input:
3031* ha = adapter block pointer.
3032*/
3033static void
e315cd28 3034qla2x00_rst_aen(scsi_qla_host_t *vha)
1da177e4 3035{
e315cd28
AC		 3036 if (vha->flags.online && !vha->flags.reset_active &&
3037 !atomic_read(&vha->loop_down_timer) &&
3038 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
1da177e4 3039 do {
e315cd28 3040 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
1da177e4
LT		 3041
3042 /*
3043 * Issue marker command only when we are going to start
3044 * the I/O.
3045 */
e315cd28
AC		 3046 vha->marker_needed = 1;
3047 } while (!atomic_read(&vha->loop_down_timer) &&
3048 (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
1da177e4
LT		 3049 }
3050}
3051
f4f051eb 3052static void
e315cd28 3053qla2x00_sp_free_dma(srb_t *sp)
f4f051eb
AV		 3054{
3055 struct scsi_cmnd *cmd = sp->cmd;
3056
3057 if (sp->flags & SRB_DMA_VALID) {
385d70b4 3058 scsi_dma_unmap(cmd);
f4f051eb
AV		 3059 sp->flags &= ~SRB_DMA_VALID;
3060 }
fca29703 3061 CMD_SP(cmd) = NULL;
f4f051eb
AV		 3062}
3063
3064void
73208dfd 3065qla2x00_sp_compl(struct qla_hw_data *ha, srb_t *sp)
f4f051eb
AV		 3066{
3067 struct scsi_cmnd *cmd = sp->cmd;
3068
e315cd28 3069 qla2x00_sp_free_dma(sp);
f4f051eb 3070
f4f051eb
AV		 3071 mempool_free(sp, ha->srb_mempool);
3072
3073 cmd->scsi_done(cmd);
3074}
bdf79621 3075
1da177e4
LT		 3076/**************************************************************************
3077* qla2x00_timer
3078*
3079* Description:
3080* One second timer
3081*
3082* Context: Interrupt
3083***************************************************************************/
2c3dfe3f 3084void
e315cd28 3085qla2x00_timer(scsi_qla_host_t *vha)
1da177e4 3086{
1da177e4
LT		 3087 unsigned long cpu_flags = 0;
3088 fc_port_t *fcport;
1da177e4
LT		 3089 int start_dpc = 0;
3090 int index;
3091 srb_t *sp;
f4f051eb 3092 int t;
85880801 3093 uint16_t w;
e315cd28 3094 struct qla_hw_data *ha = vha->hw;
73208dfd 3095 struct req_que *req;
85880801
AV		 3096
3097 /* Hardware read to raise pending EEH errors during mailbox waits. */
3098 if (!pci_channel_offline(ha->pdev))
3099 pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
1da177e4
LT		 3100 /*
3101 * Ports - Port down timer.
3102 *
3103 * Whenever, a port is in the LOST state we start decrementing its port
3104 * down timer every second until it reaches zero. Once it reaches zero
fa2a1ce5 3105 * the port it marked DEAD.
1da177e4
LT		 3106 */
3107 t = 0;
e315cd28 3108 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1da177e4
LT		 3109 if (fcport->port_type != FCT_TARGET)
3110 continue;
3111
3112 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
3113
3114 if (atomic_read(&fcport->port_down_timer) == 0)
3115 continue;
3116
fa2a1ce5 3117 if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
1da177e4 3118 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
fa2a1ce5 3119
1da177e4 3120 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
fca29703 3121 "%d remaining\n",
e315cd28 3122 vha->host_no,
1da177e4
LT		 3123 t, atomic_read(&fcport->port_down_timer)));
3124 }
3125 t++;
3126 } /* End of for fcport */
3127
1da177e4
LT		 3128
3129 /* Loop down handler. */
e315cd28
AC		 3130 if (atomic_read(&vha->loop_down_timer) > 0 &&
3131 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
3132 && vha->flags.online) {
1da177e4 3133
e315cd28
AC		 3134 if (atomic_read(&vha->loop_down_timer) ==
3135 vha->loop_down_abort_time) {
1da177e4
LT		 3136
3137 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
3138 "queues before time expire\n",
e315cd28 3139 vha->host_no));
1da177e4 3140
e315cd28
AC		 3141 if (!IS_QLA2100(ha) && vha->link_down_timeout)
3142 atomic_set(&vha->loop_state, LOOP_DEAD);
1da177e4
LT		 3143
3144 /* Schedule an ISP abort to return any tape commands. */
2c3dfe3f 3145 /* NPIV - scan physical port only */
e315cd28 3146 if (!vha->vp_idx) {
2c3dfe3f
SJ		 3147 spin_lock_irqsave(&ha->hardware_lock,
3148 cpu_flags);
73208dfd 3149 req = ha->req_q_map[0];
2c3dfe3f
SJ		 3150 for (index = 1;
3151 index < MAX_OUTSTANDING_COMMANDS;
3152 index++) {
3153 fc_port_t *sfcp;
3154
e315cd28 3155 sp = req->outstanding_cmds[index];
2c3dfe3f
SJ		 3156 if (!sp)
3157 continue;
cf53b069
AV		 3158 if (sp->ctx)
3159 continue;
2c3dfe3f
SJ		 3160 sfcp = sp->fcport;
3161 if (!(sfcp->flags & FCF_TAPE_PRESENT))
3162 continue;
bdf79621 3163
2c3dfe3f 3164 set_bit(ISP_ABORT_NEEDED,
e315cd28 3165 &vha->dpc_flags);
2c3dfe3f
SJ		 3166 break;
3167 }
3168 spin_unlock_irqrestore(&ha->hardware_lock,
e315cd28 3169 cpu_flags);
1da177e4 3170 }
1da177e4
LT		 3171 start_dpc++;
3172 }
3173
3174 /* if the loop has been down for 4 minutes, reinit adapter */
e315cd28 3175 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
0d6e61bc 3176 if (!(vha->device_flags & DFLG_NO_CABLE)) {
1da177e4
LT		 3177 DEBUG(printk("scsi(%ld): Loop down - "
3178 "aborting ISP.\n",
e315cd28 3179 vha->host_no));
1da177e4
LT		 3180 qla_printk(KERN_WARNING, ha,
3181 "Loop down - aborting ISP.\n");
3182
e315cd28 3183 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 3184 }
3185 }
fca29703 3186 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
e315cd28
AC		 3187 vha->host_no,
3188 atomic_read(&vha->loop_down_timer)));
1da177e4
LT		 3189 }
3190
f6df144c
AV		 3191 /* Check if beacon LED needs to be blinked */
3192 if (ha->beacon_blink_led == 1) {
e315cd28 3193 set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
f6df144c
AV		 3194 start_dpc++;
3195 }
3196
550bf57d 3197 /* Process any deferred work. */
e315cd28 3198 if (!list_empty(&vha->work_list))
550bf57d
AV		 3199 start_dpc++;
3200
1da177e4 3201 /* Schedule the DPC routine if needed */
e315cd28
AC		 3202 if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
3203 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
3204 test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
1da177e4 3205 start_dpc ||
e315cd28
AC		 3206 test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
3207 test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
3208 test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
3209 test_bit(RELOGIN_NEEDED, &vha->dpc_flags)))
3210 qla2xxx_wake_dpc(vha);
1da177e4 3211
e315cd28 3212 qla2x00_restart_timer(vha, WATCH_INTERVAL);
1da177e4
LT		 3213}
3214
5433383e
AV		 3215/* Firmware interface routines. */
3216
3a03eb79 3217#define FW_BLOBS 7
5433383e
AV		 3218#define FW_ISP21XX 0
3219#define FW_ISP22XX 1
3220#define FW_ISP2300 2
3221#define FW_ISP2322 3
48c02fde 3222#define FW_ISP24XX 4
c3a2f0df 3223#define FW_ISP25XX 5
3a03eb79 3224#define FW_ISP81XX 6
5433383e 3225
bb8ee499
AV		 3226#define FW_FILE_ISP21XX "ql2100_fw.bin"
3227#define FW_FILE_ISP22XX "ql2200_fw.bin"
3228#define FW_FILE_ISP2300 "ql2300_fw.bin"
3229#define FW_FILE_ISP2322 "ql2322_fw.bin"
3230#define FW_FILE_ISP24XX "ql2400_fw.bin"
c3a2f0df 3231#define FW_FILE_ISP25XX "ql2500_fw.bin"
3a03eb79 3232#define FW_FILE_ISP81XX "ql8100_fw.bin"
bb8ee499 3233
e1e82b6f 3234static DEFINE_MUTEX(qla_fw_lock);
5433383e
AV		 3235
3236static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
bb8ee499
AV		 3237 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
3238 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
3239 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
3240 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
3241 { .name = FW_FILE_ISP24XX, },
c3a2f0df 3242 { .name = FW_FILE_ISP25XX, },
3a03eb79 3243 { .name = FW_FILE_ISP81XX, },
5433383e
AV		 3244};
3245
3246struct fw_blob *
e315cd28 3247qla2x00_request_firmware(scsi_qla_host_t *vha)
5433383e 3248{
e315cd28 3249 struct qla_hw_data *ha = vha->hw;
5433383e
AV		 3250 struct fw_blob *blob;
3251
3252 blob = NULL;
3253 if (IS_QLA2100(ha)) {
3254 blob = &qla_fw_blobs[FW_ISP21XX];
3255 } else if (IS_QLA2200(ha)) {
3256 blob = &qla_fw_blobs[FW_ISP22XX];
48c02fde 3257 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
5433383e 3258 blob = &qla_fw_blobs[FW_ISP2300];
48c02fde 3259 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
5433383e 3260 blob = &qla_fw_blobs[FW_ISP2322];
4d4df193 3261 } else if (IS_QLA24XX_TYPE(ha)) {
5433383e 3262 blob = &qla_fw_blobs[FW_ISP24XX];
c3a2f0df
AV		 3263 } else if (IS_QLA25XX(ha)) {
3264 blob = &qla_fw_blobs[FW_ISP25XX];
3a03eb79
AV		 3265 } else if (IS_QLA81XX(ha)) {
3266 blob = &qla_fw_blobs[FW_ISP81XX];
5433383e
AV		 3267 }
3268
e1e82b6f 3269 mutex_lock(&qla_fw_lock);
5433383e
AV		 3270 if (blob->fw)
3271 goto out;
3272
3273 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
3274 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
e315cd28 3275 "(%s).\n", vha->host_no, blob->name));
5433383e
AV		 3276 blob->fw = NULL;
3277 blob = NULL;
3278 goto out;
3279 }
3280
3281out:
e1e82b6f 3282 mutex_unlock(&qla_fw_lock);
5433383e
AV		 3283 return blob;
3284}
3285
3286static void
3287qla2x00_release_firmware(void)
3288{
3289 int idx;
3290
e1e82b6f 3291 mutex_lock(&qla_fw_lock);
5433383e
AV		 3292 for (idx = 0; idx < FW_BLOBS; idx++)
3293 if (qla_fw_blobs[idx].fw)
3294 release_firmware(qla_fw_blobs[idx].fw);
e1e82b6f 3295 mutex_unlock(&qla_fw_lock);
5433383e
AV		 3296}
3297
14e660e6
SJ		 3298static pci_ers_result_t
3299qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
3300{
85880801
AV		 3301 scsi_qla_host_t *vha = pci_get_drvdata(pdev);
3302 struct qla_hw_data *ha = vha->hw;
3303
3304 DEBUG2(qla_printk(KERN_WARNING, ha, "error_detected:state %x\n",
3305 state));
b9b12f73 3306
14e660e6
SJ		 3307 switch (state) {
3308 case pci_channel_io_normal:
85880801 3309 ha->flags.eeh_busy = 0;
14e660e6
SJ		 3310 return PCI_ERS_RESULT_CAN_RECOVER;
3311 case pci_channel_io_frozen:
85880801 3312 ha->flags.eeh_busy = 1;
14e660e6
SJ		 3313 pci_disable_device(pdev);
3314 return PCI_ERS_RESULT_NEED_RESET;
3315 case pci_channel_io_perm_failure:
85880801
AV		 3316 ha->flags.pci_channel_io_perm_failure = 1;
3317 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
14e660e6
SJ		 3318 return PCI_ERS_RESULT_DISCONNECT;
3319 }
3320 return PCI_ERS_RESULT_NEED_RESET;
3321}
3322
3323static pci_ers_result_t
3324qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
3325{
3326 int risc_paused = 0;
3327 uint32_t stat;
3328 unsigned long flags;
e315cd28
AC		 3329 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3330 struct qla_hw_data *ha = base_vha->hw;
14e660e6
SJ		 3331 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3332 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
3333
3334 spin_lock_irqsave(&ha->hardware_lock, flags);
3335 if (IS_QLA2100(ha) || IS_QLA2200(ha)){
3336 stat = RD_REG_DWORD(&reg->hccr);
3337 if (stat & HCCR_RISC_PAUSE)
3338 risc_paused = 1;
3339 } else if (IS_QLA23XX(ha)) {
3340 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
3341 if (stat & HSR_RISC_PAUSED)
3342 risc_paused = 1;
3343 } else if (IS_FWI2_CAPABLE(ha)) {
3344 stat = RD_REG_DWORD(&reg24->host_status);
3345 if (stat & HSRX_RISC_PAUSED)
3346 risc_paused = 1;
3347 }
3348 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3349
3350 if (risc_paused) {
3351 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
3352 "Dumping firmware!\n");
e315cd28 3353 ha->isp_ops->fw_dump(base_vha, 0);
14e660e6
SJ		 3354
3355 return PCI_ERS_RESULT_NEED_RESET;
3356 } else
3357 return PCI_ERS_RESULT_RECOVERED;
3358}
3359
3360static pci_ers_result_t
3361qla2xxx_pci_slot_reset(struct pci_dev *pdev)
3362{
3363 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
e315cd28
AC		 3364 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3365 struct qla_hw_data *ha = base_vha->hw;
09483916
BH		 3366 int rc;
3367
85880801
AV		 3368 DEBUG17(qla_printk(KERN_WARNING, ha, "slot_reset\n"));
3369
09483916
BH		 3370 if (ha->mem_only)
3371 rc = pci_enable_device_mem(pdev);
3372 else
3373 rc = pci_enable_device(pdev);
14e660e6 3374
09483916 3375 if (rc) {
14e660e6
SJ		 3376 qla_printk(KERN_WARNING, ha,
3377 "Can't re-enable PCI device after reset.\n");
14e660e6
SJ		 3378 return ret;
3379 }
14e660e6 3380
e315cd28 3381 if (ha->isp_ops->pci_config(base_vha))
14e660e6
SJ		 3382 return ret;
3383
85880801
AV		 3384#ifdef QL_DEBUG_LEVEL_17
3385 {
3386 uint8_t b;
3387 uint32_t i;
3388
3389 printk("slot_reset_1: ");
3390 for (i = 0; i < 256; i++) {
3391 pci_read_config_byte(ha->pdev, i, &b);
3392 printk("%s%02x", (i%16) ? " " : "\n", b);
3393 }
3394 printk("\n");
3395 }
3396#endif
e315cd28
AC		 3397 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3398 if (qla2x00_abort_isp(base_vha) == QLA_SUCCESS)
14e660e6 3399 ret = PCI_ERS_RESULT_RECOVERED;
e315cd28 3400 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
14e660e6 3401
85880801
AV		 3402 DEBUG17(qla_printk(KERN_WARNING, ha,
3403 "slot_reset-return:ret=%x\n", ret));
3404
14e660e6
SJ		 3405 return ret;
3406}
3407
3408static void
3409qla2xxx_pci_resume(struct pci_dev *pdev)
3410{
e315cd28
AC		 3411 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3412 struct qla_hw_data *ha = base_vha->hw;
14e660e6
SJ		 3413 int ret;
3414
85880801
AV		 3415 DEBUG17(qla_printk(KERN_WARNING, ha, "pci_resume\n"));
3416
e315cd28 3417 ret = qla2x00_wait_for_hba_online(base_vha);
14e660e6
SJ		 3418 if (ret != QLA_SUCCESS) {
3419 qla_printk(KERN_ERR, ha,
3420 "the device failed to resume I/O "
3421 "from slot/link_reset");
3422 }
85880801
AV		 3423
3424 ha->flags.eeh_busy = 0;
3425
14e660e6
SJ		 3426 pci_cleanup_aer_uncorrect_error_status(pdev);
3427}
3428
3429static struct pci_error_handlers qla2xxx_err_handler = {
3430 .error_detected = qla2xxx_pci_error_detected,
3431 .mmio_enabled = qla2xxx_pci_mmio_enabled,
3432 .slot_reset = qla2xxx_pci_slot_reset,
3433 .resume = qla2xxx_pci_resume,
3434};
3435
5433383e 3436static struct pci_device_id qla2xxx_pci_tbl[] = {
47f5e069
AV		 3437 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
3438 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
3439 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
3440 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
3441 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
3442 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
3443 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
3444 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
3445 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
4d4df193 3446 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
47f5e069
AV		 3447 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
3448 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
c3a2f0df 3449 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
3a03eb79 3450 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
5433383e
AV		 3451 { 0 },
3452};
3453MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
3454
fca29703 3455static struct pci_driver qla2xxx_pci_driver = {
cb63067a 3456 .name = QLA2XXX_DRIVER_NAME,
0a21ef1e
JB		 3457 .driver = {
3458 .owner = THIS_MODULE,
3459 },
fca29703 3460 .id_table = qla2xxx_pci_tbl,
7ee61397 3461 .probe = qla2x00_probe_one,
4c993f76 3462 .remove = qla2x00_remove_one,
14e660e6 3463 .err_handler = &qla2xxx_err_handler,
fca29703
AV		 3464};
3465
1da177e4
LT		 3466/**
3467 * qla2x00_module_init - Module initialization.
3468 **/
3469static int __init
3470qla2x00_module_init(void)
3471{
fca29703
AV		 3472 int ret = 0;
3473
1da177e4 3474 /* Allocate cache for SRBs. */
354d6b21 3475 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
20c2df83 3476 SLAB_HWCACHE_ALIGN, NULL);
1da177e4
LT		 3477 if (srb_cachep == NULL) {
3478 printk(KERN_ERR
3479 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
3480 return -ENOMEM;
3481 }
3482
3483 /* Derive version string. */
3484 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
11010fec 3485 if (ql2xextended_error_logging)
0181944f
AV		 3486 strcat(qla2x00_version_str, "-debug");
3487
1c97a12a
AV		 3488 qla2xxx_transport_template =
3489 fc_attach_transport(&qla2xxx_transport_functions);
2c3dfe3f
SJ		 3490 if (!qla2xxx_transport_template) {
3491 kmem_cache_destroy(srb_cachep);
1da177e4 3492 return -ENODEV;
2c3dfe3f
SJ		 3493 }
3494 qla2xxx_transport_vport_template =
3495 fc_attach_transport(&qla2xxx_transport_vport_functions);
3496 if (!qla2xxx_transport_vport_template) {
3497 kmem_cache_destroy(srb_cachep);
3498 fc_release_transport(qla2xxx_transport_template);
1da177e4 3499 return -ENODEV;
2c3dfe3f 3500 }
1da177e4 3501
fd9a29f0
AV		 3502 printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n",
3503 qla2x00_version_str);
7ee61397 3504 ret = pci_register_driver(&qla2xxx_pci_driver);
fca29703
AV		 3505 if (ret) {
3506 kmem_cache_destroy(srb_cachep);
3507 fc_release_transport(qla2xxx_transport_template);
2c3dfe3f 3508 fc_release_transport(qla2xxx_transport_vport_template);
fca29703
AV		 3509 }
3510 return ret;
1da177e4
LT		 3511}
3512
3513/**
3514 * qla2x00_module_exit - Module cleanup.
3515 **/
3516static void __exit
3517qla2x00_module_exit(void)
3518{
7ee61397 3519 pci_unregister_driver(&qla2xxx_pci_driver);
5433383e 3520 qla2x00_release_firmware();
354d6b21 3521 kmem_cache_destroy(srb_cachep);
1da177e4 3522 fc_release_transport(qla2xxx_transport_template);
2c3dfe3f 3523 fc_release_transport(qla2xxx_transport_vport_template);
1da177e4
LT		 3524}
3525
3526module_init(qla2x00_module_init);
3527module_exit(qla2x00_module_exit);
3528
3529MODULE_AUTHOR("QLogic Corporation");
3530MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
3531MODULE_LICENSE("GPL");
3532MODULE_VERSION(QLA2XXX_VERSION);
bb8ee499
AV		 3533MODULE_FIRMWARE(FW_FILE_ISP21XX);
3534MODULE_FIRMWARE(FW_FILE_ISP22XX);
3535MODULE_FIRMWARE(FW_FILE_ISP2300);
3536MODULE_FIRMWARE(FW_FILE_ISP2322);
3537MODULE_FIRMWARE(FW_FILE_ISP24XX);
61623fc3 3538MODULE_FIRMWARE(FW_FILE_ISP25XX);
3a03eb79 3539MODULE_FIRMWARE(FW_FILE_ISP81XX);
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