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[SCSI] qla2xxx: Properly acknowledge IDC notification messages.
[linux.git] / drivers / scsi / qla2xxx / qla_os.c
CommitLineData
1da177e4 1/*
fa90c54f 2 * QLogic Fibre Channel HBA Driver
01e58d8e 3 * Copyright (c) 2003-2008 QLogic Corporation
1da177e4 4 *
fa90c54f 5 * See LICENSE.qla2xxx for copyright and licensing details.
1da177e4
LT		 6 */
7#include "qla_def.h"
8
9#include <linux/moduleparam.h>
10#include <linux/vmalloc.h>
1da177e4 11#include <linux/delay.h>
39a11240 12#include <linux/kthread.h>
e1e82b6f 13#include <linux/mutex.h>
1da177e4
LT		 14
15#include <scsi/scsi_tcq.h>
16#include <scsi/scsicam.h>
17#include <scsi/scsi_transport.h>
18#include <scsi/scsi_transport_fc.h>
19
20/*
21 * Driver version
22 */
23char qla2x00_version_str[40];
24
25/*
26 * SRB allocation cache
27 */
e18b890b 28static struct kmem_cache *srb_cachep;
1da177e4 29
1da177e4
LT		 30int ql2xlogintimeout = 20;
31module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR);
32MODULE_PARM_DESC(ql2xlogintimeout,
33 "Login timeout value in seconds.");
34
a7b61842 35int qlport_down_retry;
1da177e4
LT		 36module_param(qlport_down_retry, int, S_IRUGO|S_IRUSR);
37MODULE_PARM_DESC(qlport_down_retry,
900d9f98 38 "Maximum number of command retries to a port that returns "
1da177e4
LT		 39 "a PORT-DOWN status.");
40
1da177e4
LT		 41int ql2xplogiabsentdevice;
42module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
43MODULE_PARM_DESC(ql2xplogiabsentdevice,
44 "Option to enable PLOGI to devices that are not present after "
900d9f98 45 "a Fabric scan. This is needed for several broken switches. "
1da177e4
LT		 46 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
47
1da177e4
LT		 48int ql2xloginretrycount = 0;
49module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR);
50MODULE_PARM_DESC(ql2xloginretrycount,
51 "Specify an alternate value for the NVRAM login retry count.");
52
a7a167bf
AV		 53int ql2xallocfwdump = 1;
54module_param(ql2xallocfwdump, int, S_IRUGO|S_IRUSR);
55MODULE_PARM_DESC(ql2xallocfwdump,
56 "Option to enable allocation of memory for a firmware dump "
57 "during HBA initialization. Memory allocation requirements "
58 "vary by ISP type. Default is 1 - allocate memory.");
59
11010fec 60int ql2xextended_error_logging;
27d94035 61module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
11010fec 62MODULE_PARM_DESC(ql2xextended_error_logging,
0181944f
AV		 63 "Option to enable extended error logging, "
64 "Default is 0 - no logging. 1 - log errors.");
65
1da177e4
LT		 66static void qla2x00_free_device(scsi_qla_host_t *);
67
7e47e5ca 68int ql2xfdmienable=1;
cca5335c
AV		 69module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR);
70MODULE_PARM_DESC(ql2xfdmienable,
71 "Enables FDMI registratons "
72 "Default is 0 - no FDMI. 1 - perfom FDMI.");
73
df7baa50
AV		 74#define MAX_Q_DEPTH 32
75static int ql2xmaxqdepth = MAX_Q_DEPTH;
76module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
77MODULE_PARM_DESC(ql2xmaxqdepth,
78 "Maximum queue depth to report for target devices.");
79
80int ql2xqfullrampup = 120;
81module_param(ql2xqfullrampup, int, S_IRUGO|S_IWUSR);
82MODULE_PARM_DESC(ql2xqfullrampup,
83 "Number of seconds to wait to begin to ramp-up the queue "
84 "depth for a device after a queue-full condition has been "
85 "detected. Default is 120 seconds.");
86
e5896bd5
AV		 87int ql2xiidmaenable=1;
88module_param(ql2xiidmaenable, int, S_IRUGO|S_IRUSR);
89MODULE_PARM_DESC(ql2xiidmaenable,
90 "Enables iIDMA settings "
91 "Default is 1 - perform iIDMA. 0 - no iIDMA.");
92
73208dfd
AC		 93int ql2xmaxqueues = 1;
94module_param(ql2xmaxqueues, int, S_IRUGO|S_IRUSR);
95MODULE_PARM_DESC(ql2xmaxqueues,
96 "Enables MQ settings "
97 "Default is 1 for single queue. Set it to number \
98 of queues in MQ mode.");
1da177e4 99/*
fa2a1ce5 100 * SCSI host template entry points
1da177e4
LT		 101 */
102static int qla2xxx_slave_configure(struct scsi_device * device);
f4f051eb 103static int qla2xxx_slave_alloc(struct scsi_device *);
1e99e33a
AV		 104static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
105static void qla2xxx_scan_start(struct Scsi_Host *);
f4f051eb 106static void qla2xxx_slave_destroy(struct scsi_device *);
1da177e4
LT		 107static int qla2x00_queuecommand(struct scsi_cmnd *cmd,
108 void (*fn)(struct scsi_cmnd *));
fca29703
AV		 109static int qla24xx_queuecommand(struct scsi_cmnd *cmd,
110 void (*fn)(struct scsi_cmnd *));
1da177e4
LT		 111static int qla2xxx_eh_abort(struct scsi_cmnd *);
112static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
523ec773 113static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
1da177e4
LT		 114static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
115static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
1da177e4 116
ce7e4af7
AV		 117static int qla2x00_change_queue_depth(struct scsi_device *, int);
118static int qla2x00_change_queue_type(struct scsi_device *, int);
119
a824ebb3 120static struct scsi_host_template qla2x00_driver_template = {
1da177e4 121 .module = THIS_MODULE,
cb63067a 122 .name = QLA2XXX_DRIVER_NAME,
1da177e4
LT		 123 .queuecommand = qla2x00_queuecommand,
124
125 .eh_abort_handler = qla2xxx_eh_abort,
126 .eh_device_reset_handler = qla2xxx_eh_device_reset,
523ec773 127 .eh_target_reset_handler = qla2xxx_eh_target_reset,
1da177e4
LT		 128 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
129 .eh_host_reset_handler = qla2xxx_eh_host_reset,
130
131 .slave_configure = qla2xxx_slave_configure,
132
f4f051eb
AV		 133 .slave_alloc = qla2xxx_slave_alloc,
134 .slave_destroy = qla2xxx_slave_destroy,
1e99e33a
AV		 135 .scan_finished = qla2xxx_scan_finished,
136 .scan_start = qla2xxx_scan_start,
ce7e4af7
AV		 137 .change_queue_depth = qla2x00_change_queue_depth,
138 .change_queue_type = qla2x00_change_queue_type,
1da177e4
LT		 139 .this_id = -1,
140 .cmd_per_lun = 3,
141 .use_clustering = ENABLE_CLUSTERING,
142 .sg_tablesize = SG_ALL,
143
144 /*
145 * The RISC allows for each command to transfer (2^32-1) bytes of data,
146 * which equates to 0x800000 sectors.
147 */
148 .max_sectors = 0xFFFF,
afb046e2 149 .shost_attrs = qla2x00_host_attrs,
1da177e4
LT		 150};
151
2c3dfe3f 152struct scsi_host_template qla24xx_driver_template = {
fca29703 153 .module = THIS_MODULE,
cb63067a 154 .name = QLA2XXX_DRIVER_NAME,
fca29703
AV		 155 .queuecommand = qla24xx_queuecommand,
156
157 .eh_abort_handler = qla2xxx_eh_abort,
158 .eh_device_reset_handler = qla2xxx_eh_device_reset,
523ec773 159 .eh_target_reset_handler = qla2xxx_eh_target_reset,
fca29703
AV		 160 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
161 .eh_host_reset_handler = qla2xxx_eh_host_reset,
162
163 .slave_configure = qla2xxx_slave_configure,
164
165 .slave_alloc = qla2xxx_slave_alloc,
166 .slave_destroy = qla2xxx_slave_destroy,
ed677086
AV		 167 .scan_finished = qla2xxx_scan_finished,
168 .scan_start = qla2xxx_scan_start,
ce7e4af7
AV		 169 .change_queue_depth = qla2x00_change_queue_depth,
170 .change_queue_type = qla2x00_change_queue_type,
fca29703
AV		 171 .this_id = -1,
172 .cmd_per_lun = 3,
173 .use_clustering = ENABLE_CLUSTERING,
174 .sg_tablesize = SG_ALL,
175
176 .max_sectors = 0xFFFF,
afb046e2 177 .shost_attrs = qla2x00_host_attrs,
fca29703
AV		 178};
179
1da177e4 180static struct scsi_transport_template *qla2xxx_transport_template = NULL;
2c3dfe3f 181struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
1da177e4 182
1da177e4
LT		 183/* TODO Convert to inlines
184 *
185 * Timer routines
186 */
1da177e4 187
2c3dfe3f 188__inline__ void
e315cd28 189qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval)
1da177e4 190{
e315cd28
AC		 191 init_timer(&vha->timer);
192 vha->timer.expires = jiffies + interval * HZ;
193 vha->timer.data = (unsigned long)vha;
194 vha->timer.function = (void (*)(unsigned long))func;
195 add_timer(&vha->timer);
196 vha->timer_active = 1;
1da177e4
LT		 197}
198
199static inline void
e315cd28 200qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
1da177e4 201{
e315cd28 202 mod_timer(&vha->timer, jiffies + interval * HZ);
1da177e4
LT		 203}
204
a824ebb3 205static __inline__ void
e315cd28 206qla2x00_stop_timer(scsi_qla_host_t *vha)
1da177e4 207{
e315cd28
AC		 208 del_timer_sync(&vha->timer);
209 vha->timer_active = 0;
1da177e4
LT		 210}
211
1da177e4
LT		 212static int qla2x00_do_dpc(void *data);
213
214static void qla2x00_rst_aen(scsi_qla_host_t *);
215
73208dfd
AC		 216static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
217 struct req_que **, struct rsp_que **);
e315cd28
AC		 218static void qla2x00_mem_free(struct qla_hw_data *);
219static void qla2x00_sp_free_dma(srb_t *);
1da177e4 220
1da177e4 221/* -------------------------------------------------------------------------- */
73208dfd
AC		 222static int qla2x00_alloc_queues(struct qla_hw_data *ha)
223{
224 ha->req_q_map = kzalloc(sizeof(struct req_que *) * ha->max_queues,
225 GFP_KERNEL);
226 if (!ha->req_q_map) {
227 qla_printk(KERN_WARNING, ha,
228 "Unable to allocate memory for request queue ptrs\n");
229 goto fail_req_map;
230 }
231
232 ha->rsp_q_map = kzalloc(sizeof(struct rsp_que *) * ha->max_queues,
233 GFP_KERNEL);
234 if (!ha->rsp_q_map) {
235 qla_printk(KERN_WARNING, ha,
236 "Unable to allocate memory for response queue ptrs\n");
237 goto fail_rsp_map;
238 }
239 set_bit(0, ha->rsp_qid_map);
240 set_bit(0, ha->req_qid_map);
241 return 1;
242
243fail_rsp_map:
244 kfree(ha->req_q_map);
245 ha->req_q_map = NULL;
246fail_req_map:
247 return -ENOMEM;
248}
249
250static void qla2x00_free_que(struct qla_hw_data *ha, struct req_que *req,
251 struct rsp_que *rsp)
252{
253 if (rsp && rsp->ring)
254 dma_free_coherent(&ha->pdev->dev,
255 (rsp->length + 1) * sizeof(response_t),
256 rsp->ring, rsp->dma);
257
258 kfree(rsp);
259 rsp = NULL;
260 if (req && req->ring)
261 dma_free_coherent(&ha->pdev->dev,
262 (req->length + 1) * sizeof(request_t),
263 req->ring, req->dma);
264
265 kfree(req);
266 req = NULL;
267}
268
269static void qla2x00_free_queues(struct qla_hw_data *ha)
270{
271 struct req_que *req;
272 struct rsp_que *rsp;
273 int cnt;
274
275 for (cnt = 0; cnt < ha->max_queues; cnt++) {
276 rsp = ha->rsp_q_map[cnt];
277 req = ha->req_q_map[cnt];
278 qla2x00_free_que(ha, req, rsp);
279 }
280 kfree(ha->rsp_q_map);
281 ha->rsp_q_map = NULL;
282
283 kfree(ha->req_q_map);
284 ha->req_q_map = NULL;
285}
286
1da177e4 287static char *
e315cd28 288qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
1da177e4 289{
e315cd28 290 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 291 static char *pci_bus_modes[] = {
292 "33", "66", "100", "133",
293 };
294 uint16_t pci_bus;
295
296 strcpy(str, "PCI");
297 pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
298 if (pci_bus) {
299 strcat(str, "-X (");
300 strcat(str, pci_bus_modes[pci_bus]);
301 } else {
302 pci_bus = (ha->pci_attr & BIT_8) >> 8;
303 strcat(str, " (");
304 strcat(str, pci_bus_modes[pci_bus]);
305 }
306 strcat(str, " MHz)");
307
308 return (str);
309}
310
fca29703 311static char *
e315cd28 312qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
fca29703
AV		 313{
314 static char *pci_bus_modes[] = { "33", "66", "100", "133", };
e315cd28 315 struct qla_hw_data *ha = vha->hw;
fca29703
AV		 316 uint32_t pci_bus;
317 int pcie_reg;
318
319 pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
320 if (pcie_reg) {
321 char lwstr[6];
322 uint16_t pcie_lstat, lspeed, lwidth;
323
324 pcie_reg += 0x12;
325 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
326 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
327 lwidth = (pcie_lstat &
328 (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
329
330 strcpy(str, "PCIe (");
331 if (lspeed == 1)
c87a0d8c 332 strcat(str, "2.5GT/s ");
c3a2f0df 333 else if (lspeed == 2)
c87a0d8c 334 strcat(str, "5.0GT/s ");
fca29703
AV		 335 else
336 strcat(str, "<unknown> ");
337 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
338 strcat(str, lwstr);
339
340 return str;
341 }
342
343 strcpy(str, "PCI");
344 pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
345 if (pci_bus == 0 || pci_bus == 8) {
346 strcat(str, " (");
347 strcat(str, pci_bus_modes[pci_bus >> 3]);
348 } else {
349 strcat(str, "-X ");
350 if (pci_bus & BIT_2)
351 strcat(str, "Mode 2");
352 else
353 strcat(str, "Mode 1");
354 strcat(str, " (");
355 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
356 }
357 strcat(str, " MHz)");
358
359 return str;
360}
361
e5f82ab8 362static char *
e315cd28 363qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str)
1da177e4
LT		 364{
365 char un_str[10];
e315cd28 366 struct qla_hw_data *ha = vha->hw;
fa2a1ce5 367
1da177e4
LT		 368 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
369 ha->fw_minor_version,
370 ha->fw_subminor_version);
371
372 if (ha->fw_attributes & BIT_9) {
373 strcat(str, "FLX");
374 return (str);
375 }
376
377 switch (ha->fw_attributes & 0xFF) {
378 case 0x7:
379 strcat(str, "EF");
380 break;
381 case 0x17:
382 strcat(str, "TP");
383 break;
384 case 0x37:
385 strcat(str, "IP");
386 break;
387 case 0x77:
388 strcat(str, "VI");
389 break;
390 default:
391 sprintf(un_str, "(%x)", ha->fw_attributes);
392 strcat(str, un_str);
393 break;
394 }
395 if (ha->fw_attributes & 0x100)
396 strcat(str, "X");
397
398 return (str);
399}
400
e5f82ab8 401static char *
e315cd28 402qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str)
fca29703 403{
e315cd28 404 struct qla_hw_data *ha = vha->hw;
f0883ac6 405
3a03eb79
AV		 406 sprintf(str, "%d.%02d.%02d (%x)", ha->fw_major_version,
407 ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
fca29703 408 return str;
fca29703
AV		 409}
410
411static inline srb_t *
e315cd28 412qla2x00_get_new_sp(scsi_qla_host_t *vha, fc_port_t *fcport,
fca29703
AV		 413 struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
414{
415 srb_t *sp;
e315cd28 416 struct qla_hw_data *ha = vha->hw;
fca29703
AV		 417
418 sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
419 if (!sp)
420 return sp;
421
fca29703
AV		 422 sp->fcport = fcport;
423 sp->cmd = cmd;
17d98630 424 sp->que = ha->req_q_map[0];
fca29703
AV		 425 sp->flags = 0;
426 CMD_SP(cmd) = (void *)sp;
427 cmd->scsi_done = done;
428
429 return sp;
430}
431
1da177e4 432static int
f4f051eb 433qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
1da177e4 434{
e315cd28 435 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
bdf79621 436 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
19a7b4ae 437 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
e315cd28 438 struct qla_hw_data *ha = vha->hw;
f4f051eb
AV		 439 srb_t *sp;
440 int rval;
1da177e4 441
14e660e6
SJ		 442 if (unlikely(pci_channel_offline(ha->pdev))) {
443 cmd->result = DID_REQUEUE << 16;
444 goto qc_fail_command;
445 }
446
19a7b4ae
JSEC		 447 rval = fc_remote_port_chkready(rport);
448 if (rval) {
449 cmd->result = rval;
f4f051eb
AV		 450 goto qc_fail_command;
451 }
1da177e4 452
387f96b4 453 /* Close window on fcport/rport state-transitioning. */
7b594131
MC		 454 if (fcport->drport)
455 goto qc_target_busy;
387f96b4 456
f4f051eb
AV		 457 if (atomic_read(&fcport->state) != FCS_ONLINE) {
458 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
e315cd28 459 atomic_read(&vha->loop_state) == LOOP_DEAD) {
f4f051eb
AV		 460 cmd->result = DID_NO_CONNECT << 16;
461 goto qc_fail_command;
462 }
7b594131 463 goto qc_target_busy;
f4f051eb 464 }
1da177e4 465
e315cd28 466 spin_unlock_irq(vha->host->host_lock);
1da177e4 467
e315cd28 468 sp = qla2x00_get_new_sp(vha, fcport, cmd, done);
fca29703 469 if (!sp)
f4f051eb 470 goto qc_host_busy_lock;
1da177e4 471
e315cd28 472 rval = ha->isp_ops->start_scsi(sp);
f4f051eb
AV		 473 if (rval != QLA_SUCCESS)
474 goto qc_host_busy_free_sp;
1da177e4 475
e315cd28 476 spin_lock_irq(vha->host->host_lock);
1da177e4 477
f4f051eb 478 return 0;
1da177e4 479
f4f051eb 480qc_host_busy_free_sp:
e315cd28 481 qla2x00_sp_free_dma(sp);
f4f051eb 482 mempool_free(sp, ha->srb_mempool);
1da177e4 483
f4f051eb 484qc_host_busy_lock:
e315cd28 485 spin_lock_irq(vha->host->host_lock);
f4f051eb 486 return SCSI_MLQUEUE_HOST_BUSY;
1da177e4 487
7b594131
MC		 488qc_target_busy:
489 return SCSI_MLQUEUE_TARGET_BUSY;
490
f4f051eb
AV		 491qc_fail_command:
492 done(cmd);
1da177e4 493
f4f051eb 494 return 0;
1da177e4
LT		 495}
496
fca29703
AV		 497
498static int
499qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
500{
e315cd28 501 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
fca29703 502 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
19a7b4ae 503 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
e315cd28
AC		 504 struct qla_hw_data *ha = vha->hw;
505 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
fca29703
AV		 506 srb_t *sp;
507 int rval;
508
e315cd28 509 if (unlikely(pci_channel_offline(ha->pdev))) {
14e660e6
SJ		 510 cmd->result = DID_REQUEUE << 16;
511 goto qc24_fail_command;
512 }
513
19a7b4ae
JSEC		 514 rval = fc_remote_port_chkready(rport);
515 if (rval) {
516 cmd->result = rval;
fca29703
AV		 517 goto qc24_fail_command;
518 }
519
387f96b4 520 /* Close window on fcport/rport state-transitioning. */
7b594131
MC		 521 if (fcport->drport)
522 goto qc24_target_busy;
387f96b4 523
fca29703
AV		 524 if (atomic_read(&fcport->state) != FCS_ONLINE) {
525 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
e315cd28 526 atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
fca29703
AV		 527 cmd->result = DID_NO_CONNECT << 16;
528 goto qc24_fail_command;
529 }
7b594131 530 goto qc24_target_busy;
fca29703
AV		 531 }
532
e315cd28 533 spin_unlock_irq(vha->host->host_lock);
fca29703 534
e315cd28 535 sp = qla2x00_get_new_sp(base_vha, fcport, cmd, done);
fca29703
AV		 536 if (!sp)
537 goto qc24_host_busy_lock;
538
e315cd28 539 rval = ha->isp_ops->start_scsi(sp);
fca29703
AV		 540 if (rval != QLA_SUCCESS)
541 goto qc24_host_busy_free_sp;
542
e315cd28 543 spin_lock_irq(vha->host->host_lock);
fca29703
AV		 544
545 return 0;
546
547qc24_host_busy_free_sp:
e315cd28
AC		 548 qla2x00_sp_free_dma(sp);
549 mempool_free(sp, ha->srb_mempool);
fca29703
AV		 550
551qc24_host_busy_lock:
e315cd28 552 spin_lock_irq(vha->host->host_lock);
fca29703
AV		 553 return SCSI_MLQUEUE_HOST_BUSY;
554
7b594131
MC		 555qc24_target_busy:
556 return SCSI_MLQUEUE_TARGET_BUSY;
557
fca29703
AV		 558qc24_fail_command:
559 done(cmd);
560
561 return 0;
562}
563
564
1da177e4
LT		 565/*
566 * qla2x00_eh_wait_on_command
567 * Waits for the command to be returned by the Firmware for some
568 * max time.
569 *
570 * Input:
1da177e4 571 * cmd = Scsi Command to wait on.
1da177e4
LT		 572 *
573 * Return:
574 * Not Found : 0
575 * Found : 1
576 */
577static int
e315cd28 578qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
1da177e4 579{
fe74c71f
AV		 580#define ABORT_POLLING_PERIOD 1000
581#define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
f4f051eb
AV		 582 unsigned long wait_iter = ABORT_WAIT_ITER;
583 int ret = QLA_SUCCESS;
1da177e4 584
f4f051eb 585 while (CMD_SP(cmd)) {
fe74c71f 586 msleep(ABORT_POLLING_PERIOD);
1da177e4 587
f4f051eb
AV		 588 if (--wait_iter)
589 break;
590 }
591 if (CMD_SP(cmd))
592 ret = QLA_FUNCTION_FAILED;
1da177e4 593
f4f051eb 594 return ret;
1da177e4
LT		 595}
596
597/*
598 * qla2x00_wait_for_hba_online
fa2a1ce5 599 * Wait till the HBA is online after going through
1da177e4
LT		 600 * <= MAX_RETRIES_OF_ISP_ABORT or
601 * finally HBA is disabled ie marked offline
602 *
603 * Input:
604 * ha - pointer to host adapter structure
fa2a1ce5
AV		 605 *
606 * Note:
1da177e4
LT		 607 * Does context switching-Release SPIN_LOCK
608 * (if any) before calling this routine.
609 *
610 * Return:
611 * Success (Adapter is online) : 0
612 * Failed (Adapter is offline/disabled) : 1
613 */
854165f4 614int
e315cd28 615qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
1da177e4 616{
fca29703
AV		 617 int return_status;
618 unsigned long wait_online;
e315cd28
AC		 619 struct qla_hw_data *ha = vha->hw;
620 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1da177e4 621
fa2a1ce5 622 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
e315cd28
AC		 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_online)) {
1da177e4
LT		 627
628 msleep(1000);
629 }
e315cd28 630 if (base_vha->flags.online)
fa2a1ce5 631 return_status = QLA_SUCCESS;
1da177e4
LT		 632 else
633 return_status = QLA_FUNCTION_FAILED;
634
1da177e4
LT		 635 return (return_status);
636}
637
638/*
639 * qla2x00_wait_for_loop_ready
640 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
fa2a1ce5 641 * to be in LOOP_READY state.
1da177e4
LT		 642 * Input:
643 * ha - pointer to host adapter structure
fa2a1ce5
AV		 644 *
645 * Note:
1da177e4
LT		 646 * Does context switching-Release SPIN_LOCK
647 * (if any) before calling this routine.
fa2a1ce5 648 *
1da177e4
LT		 649 *
650 * Return:
651 * Success (LOOP_READY) : 0
652 * Failed (LOOP_NOT_READY) : 1
653 */
fa2a1ce5 654static inline int
e315cd28 655qla2x00_wait_for_loop_ready(scsi_qla_host_t *vha)
1da177e4
LT		 656{
657 int return_status = QLA_SUCCESS;
658 unsigned long loop_timeout ;
e315cd28
AC		 659 struct qla_hw_data *ha = vha->hw;
660 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1da177e4
LT		 661
662 /* wait for 5 min at the max for loop to be ready */
fa2a1ce5 663 loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1da177e4 664
e315cd28
AC		 665 while ((!atomic_read(&base_vha->loop_down_timer) &&
666 atomic_read(&base_vha->loop_state) == LOOP_DOWN) ||
667 atomic_read(&base_vha->loop_state) != LOOP_READY) {
668 if (atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
57680080
RA		 669 return_status = QLA_FUNCTION_FAILED;
670 break;
671 }
1da177e4
LT		 672 msleep(1000);
673 if (time_after_eq(jiffies, loop_timeout)) {
674 return_status = QLA_FUNCTION_FAILED;
675 break;
676 }
677 }
fa2a1ce5 678 return (return_status);
1da177e4
LT		 679}
680
5f3a9a20
SJ		 681void
682qla2x00_abort_fcport_cmds(fc_port_t *fcport)
683{
73208dfd 684 int cnt, que, id;
5f3a9a20
SJ		 685 unsigned long flags;
686 srb_t *sp;
e315cd28
AC		 687 scsi_qla_host_t *vha = fcport->vha;
688 struct qla_hw_data *ha = vha->hw;
73208dfd 689 struct req_que *req;
5f3a9a20 690
e315cd28 691 spin_lock_irqsave(&ha->hardware_lock, flags);
73208dfd
AC		 692 for (que = 0; que < QLA_MAX_HOST_QUES; que++) {
693 id = vha->req_ques[que];
694 req = ha->req_q_map[id];
695 if (!req)
5f3a9a20 696 continue;
73208dfd
AC		 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)
702 continue;
5f3a9a20 703
73208dfd
AC		 704 spin_unlock_irqrestore(&ha->hardware_lock, flags);
705 if (ha->isp_ops->abort_command(vha, sp, req)) {
5f3a9a20 706 DEBUG2(qla_printk(KERN_WARNING, ha,
73208dfd
AC		 707 "Abort failed -- %lx\n",
708 sp->cmd->serial_number));
709 } else {
710 if (qla2x00_eh_wait_on_command(sp->cmd) !=
711 QLA_SUCCESS)
712 DEBUG2(qla_printk(KERN_WARNING, ha,
713 "Abort failed while waiting -- %lx\n",
714 sp->cmd->serial_number));
715 }
716 spin_lock_irqsave(&ha->hardware_lock, flags);
5f3a9a20 717 }
5f3a9a20 718 }
e315cd28 719 spin_unlock_irqrestore(&ha->hardware_lock, flags);
5f3a9a20
SJ		 720}
721
07db5183
AV		 722static void
723qla2x00_block_error_handler(struct scsi_cmnd *cmnd)
724{
725 struct Scsi_Host *shost = cmnd->device->host;
726 struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device));
727 unsigned long flags;
728
729 spin_lock_irqsave(shost->host_lock, flags);
730 while (rport->port_state == FC_PORTSTATE_BLOCKED) {
731 spin_unlock_irqrestore(shost->host_lock, flags);
732 msleep(1000);
733 spin_lock_irqsave(shost->host_lock, flags);
734 }
735 spin_unlock_irqrestore(shost->host_lock, flags);
736 return;
737}
738
1da177e4
LT		 739/**************************************************************************
740* qla2xxx_eh_abort
741*
742* Description:
743* The abort function will abort the specified command.
744*
745* Input:
746* cmd = Linux SCSI command packet to be aborted.
747*
748* Returns:
749* Either SUCCESS or FAILED.
750*
751* Note:
2ea00202 752* Only return FAILED if command not returned by firmware.
1da177e4 753**************************************************************************/
e5f82ab8 754static int
1da177e4
LT		 755qla2xxx_eh_abort(struct scsi_cmnd *cmd)
756{
e315cd28 757 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
f4f051eb 758 srb_t *sp;
17d98630 759 int ret, i;
f4f051eb
AV		 760 unsigned int id, lun;
761 unsigned long serial;
18e144d3 762 unsigned long flags;
2ea00202 763 int wait = 0;
e315cd28 764 struct qla_hw_data *ha = vha->hw;
73208dfd 765 struct req_que *req;
17d98630 766 srb_t *spt;
1da177e4 767
07db5183
AV		 768 qla2x00_block_error_handler(cmd);
769
f4f051eb 770 if (!CMD_SP(cmd))
2ea00202 771 return SUCCESS;
1da177e4 772
2ea00202 773 ret = SUCCESS;
1da177e4 774
f4f051eb
AV		 775 id = cmd->device->id;
776 lun = cmd->device->lun;
777 serial = cmd->serial_number;
17d98630
AC		 778 spt = (srb_t *) CMD_SP(cmd);
779 if (!spt)
780 return SUCCESS;
781 req = spt->que;
1da177e4 782
f4f051eb 783 /* Check active list for command command. */
e315cd28 784 spin_lock_irqsave(&ha->hardware_lock, flags);
17d98630
AC		 785 for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
786 sp = req->outstanding_cmds[i];
1da177e4 787
17d98630
AC		 788 if (sp == NULL)
789 continue;
1da177e4 790
17d98630
AC		 791 if (sp->cmd != cmd)
792 continue;
1da177e4 793
17d98630
AC		 794 DEBUG2(printk("%s(%ld): aborting sp %p from RISC."
795 " pid=%ld.\n", __func__, vha->host_no, sp, serial));
796
797 spin_unlock_irqrestore(&ha->hardware_lock, flags);
798 if (ha->isp_ops->abort_command(vha, sp, req)) {
799 DEBUG2(printk("%s(%ld): abort_command "
800 "mbx failed.\n", __func__, vha->host_no));
2ac4b64f 801 ret = FAILED;
17d98630
AC		 802 } else {
803 DEBUG3(printk("%s(%ld): abort_command "
804 "mbx success.\n", __func__, vha->host_no));
805 wait = 1;
73208dfd 806 }
17d98630
AC		 807 spin_lock_irqsave(&ha->hardware_lock, flags);
808 break;
f4f051eb 809 }
e315cd28 810 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1da177e4 811
f4f051eb 812 /* Wait for the command to be returned. */
2ea00202 813 if (wait) {
e315cd28 814 if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
fa2a1ce5 815 qla_printk(KERN_ERR, ha,
f4f051eb 816 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
e315cd28 817 "%x.\n", vha->host_no, id, lun, serial, ret);
2ea00202 818 ret = FAILED;
f4f051eb 819 }
1da177e4 820 }
1da177e4 821
fa2a1ce5 822 qla_printk(KERN_INFO, ha,
2ea00202 823 "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
e315cd28 824 vha->host_no, id, lun, wait, serial, ret);
1da177e4 825
f4f051eb
AV		 826 return ret;
827}
1da177e4 828
523ec773
AV		 829enum nexus_wait_type {
830 WAIT_HOST = 0,
831 WAIT_TARGET,
832 WAIT_LUN,
833};
834
f4f051eb 835static int
e315cd28 836qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
17d98630 837 unsigned int l, srb_t *sp, enum nexus_wait_type type)
f4f051eb 838{
17d98630 839 int cnt, match, status;
18e144d3 840 unsigned long flags;
e315cd28 841 struct qla_hw_data *ha = vha->hw;
73208dfd 842 struct req_que *req;
1da177e4 843
523ec773 844 status = QLA_SUCCESS;
17d98630
AC		 845 if (!sp)
846 return status;
847
e315cd28 848 spin_lock_irqsave(&ha->hardware_lock, flags);
17d98630
AC		 849 req = sp->que;
850 for (cnt = 1; status == QLA_SUCCESS &&
851 cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
852 sp = req->outstanding_cmds[cnt];
853 if (!sp)
523ec773 854 continue;
19851f13 855
17d98630
AC		 856 if (vha->vp_idx != sp->fcport->vha->vp_idx)
857 continue;
858 match = 0;
859 switch (type) {
860 case WAIT_HOST:
861 match = 1;
862 break;
863 case WAIT_TARGET:
864 match = sp->cmd->device->id == t;
865 break;
866 case WAIT_LUN:
867 match = (sp->cmd->device->id == t &&
868 sp->cmd->device->lun == l);
869 break;
73208dfd 870 }
17d98630
AC		 871 if (!match)
872 continue;
873
874 spin_unlock_irqrestore(&ha->hardware_lock, flags);
875 status = qla2x00_eh_wait_on_command(sp->cmd);
876 spin_lock_irqsave(&ha->hardware_lock, flags);
1da177e4 877 }
e315cd28 878 spin_unlock_irqrestore(&ha->hardware_lock, flags);
523ec773
AV		 879
880 return status;
1da177e4
LT		 881}
882
523ec773
AV		 883static char *reset_errors[] = {
884 "HBA not online",
885 "HBA not ready",
886 "Task management failed",
887 "Waiting for command completions",
888};
1da177e4 889
e5f82ab8 890static int
523ec773
AV		 891__qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
892 struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int))
1da177e4 893{
e315cd28 894 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
bdf79621 895 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
523ec773 896 int err;
1da177e4 897
07db5183
AV		 898 qla2x00_block_error_handler(cmd);
899
b0328bee 900 if (!fcport)
523ec773 901 return FAILED;
1da177e4 902
e315cd28
AC		 903 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET ISSUED.\n",
904 vha->host_no, cmd->device->id, cmd->device->lun, name);
1da177e4 905
523ec773 906 err = 0;
e315cd28 907 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
523ec773
AV		 908 goto eh_reset_failed;
909 err = 1;
e315cd28 910 if (qla2x00_wait_for_loop_ready(vha) != QLA_SUCCESS)
523ec773
AV		 911 goto eh_reset_failed;
912 err = 2;
913 if (do_reset(fcport, cmd->device->lun) != QLA_SUCCESS)
914 goto eh_reset_failed;
915 err = 3;
e315cd28 916 if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
17d98630 917 cmd->device->lun, (srb_t *) CMD_SP(cmd), type) != QLA_SUCCESS)
523ec773
AV		 918 goto eh_reset_failed;
919
e315cd28
AC		 920 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n",
921 vha->host_no, cmd->device->id, cmd->device->lun, name);
523ec773
AV		 922
923 return SUCCESS;
924
925 eh_reset_failed:
e315cd28
AC		 926 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n"
927 , vha->host_no, cmd->device->id, cmd->device->lun, name,
523ec773
AV		 928 reset_errors[err]);
929 return FAILED;
930}
1da177e4 931
523ec773
AV		 932static int
933qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
934{
e315cd28
AC		 935 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
936 struct qla_hw_data *ha = vha->hw;
1da177e4 937
523ec773
AV		 938 return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
939 ha->isp_ops->lun_reset);
1da177e4
LT		 940}
941
1da177e4 942static int
523ec773 943qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1da177e4 944{
e315cd28
AC		 945 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
946 struct qla_hw_data *ha = vha->hw;
1da177e4 947
523ec773
AV		 948 return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
949 ha->isp_ops->target_reset);
1da177e4
LT		 950}
951
1da177e4
LT		 952/**************************************************************************
953* qla2xxx_eh_bus_reset
954*
955* Description:
956* The bus reset function will reset the bus and abort any executing
957* commands.
958*
959* Input:
960* cmd = Linux SCSI command packet of the command that cause the
961* bus reset.
962*
963* Returns:
964* SUCCESS/FAILURE (defined as macro in scsi.h).
965*
966**************************************************************************/
e5f82ab8 967static int
1da177e4
LT		 968qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
969{
e315cd28 970 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
bdf79621 971 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
2c3dfe3f 972 int ret = FAILED;
f4f051eb
AV		 973 unsigned int id, lun;
974 unsigned long serial;
17d98630 975 srb_t *sp = (srb_t *) CMD_SP(cmd);
f4f051eb 976
07db5183
AV		 977 qla2x00_block_error_handler(cmd);
978
f4f051eb
AV		 979 id = cmd->device->id;
980 lun = cmd->device->lun;
981 serial = cmd->serial_number;
1da177e4 982
b0328bee 983 if (!fcport)
f4f051eb 984 return ret;
1da177e4 985
e315cd28 986 qla_printk(KERN_INFO, vha->hw,
749af3d5 987 "scsi(%ld:%d:%d): BUS RESET ISSUED.\n", vha->host_no, id, lun);
1da177e4 988
e315cd28 989 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1da177e4 990 DEBUG2(printk("%s failed:board disabled\n",__func__));
f4f051eb 991 goto eh_bus_reset_done;
1da177e4
LT		 992 }
993
e315cd28
AC		 994 if (qla2x00_wait_for_loop_ready(vha) == QLA_SUCCESS) {
995 if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
f4f051eb 996 ret = SUCCESS;
1da177e4 997 }
f4f051eb
AV		 998 if (ret == FAILED)
999 goto eh_bus_reset_done;
1da177e4 1000
9a41a62b 1001 /* Flush outstanding commands. */
17d98630 1002 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) !=
523ec773 1003 QLA_SUCCESS)
9a41a62b 1004 ret = FAILED;
1da177e4 1005
f4f051eb 1006eh_bus_reset_done:
e315cd28 1007 qla_printk(KERN_INFO, vha->hw, "%s: reset %s\n", __func__,
f4f051eb 1008 (ret == FAILED) ? "failed" : "succeded");
1da177e4 1009
f4f051eb 1010 return ret;
1da177e4
LT		 1011}
1012
1013/**************************************************************************
1014* qla2xxx_eh_host_reset
1015*
1016* Description:
1017* The reset function will reset the Adapter.
1018*
1019* Input:
1020* cmd = Linux SCSI command packet of the command that cause the
1021* adapter reset.
1022*
1023* Returns:
1024* Either SUCCESS or FAILED.
1025*
1026* Note:
1027**************************************************************************/
e5f82ab8 1028static int
1da177e4
LT		 1029qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1030{
e315cd28 1031 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
bdf79621 1032 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
e315cd28 1033 struct qla_hw_data *ha = vha->hw;
2c3dfe3f 1034 int ret = FAILED;
f4f051eb
AV		 1035 unsigned int id, lun;
1036 unsigned long serial;
17d98630 1037 srb_t *sp = (srb_t *) CMD_SP(cmd);
e315cd28 1038 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1da177e4 1039
07db5183
AV		 1040 qla2x00_block_error_handler(cmd);
1041
f4f051eb
AV		 1042 id = cmd->device->id;
1043 lun = cmd->device->lun;
1044 serial = cmd->serial_number;
1045
b0328bee 1046 if (!fcport)
f4f051eb 1047 return ret;
1da177e4 1048
1da177e4 1049 qla_printk(KERN_INFO, ha,
e315cd28 1050 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", vha->host_no, id, lun);
1da177e4 1051
e315cd28 1052 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
f4f051eb 1053 goto eh_host_reset_lock;
1da177e4
LT		 1054
1055 /*
1056 * Fixme-may be dpc thread is active and processing
fa2a1ce5 1057 * loop_resync,so wait a while for it to
1da177e4
LT		 1058 * be completed and then issue big hammer.Otherwise
1059 * it may cause I/O failure as big hammer marks the
1060 * devices as lost kicking of the port_down_timer
1061 * while dpc is stuck for the mailbox to complete.
1062 */
e315cd28
AC		 1063 qla2x00_wait_for_loop_ready(vha);
1064 if (vha != base_vha) {
1065 if (qla2x00_vp_abort_isp(vha))
f4f051eb 1066 goto eh_host_reset_lock;
e315cd28
AC		 1067 } else {
1068 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1069 if (qla2x00_abort_isp(base_vha)) {
1070 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1071 /* failed. schedule dpc to try */
1072 set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1073
1074 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
1075 goto eh_host_reset_lock;
1076 }
1077 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
fa2a1ce5 1078 }
1da177e4 1079
e315cd28 1080 /* Waiting for command to be returned to OS.*/
17d98630 1081 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) ==
e315cd28 1082 QLA_SUCCESS)
f4f051eb 1083 ret = SUCCESS;
1da177e4 1084
f4f051eb 1085eh_host_reset_lock:
f4f051eb
AV		 1086 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1087 (ret == FAILED) ? "failed" : "succeded");
1da177e4 1088
f4f051eb
AV		 1089 return ret;
1090}
1da177e4
LT		 1091
1092/*
1093* qla2x00_loop_reset
1094* Issue loop reset.
1095*
1096* Input:
1097* ha = adapter block pointer.
1098*
1099* Returns:
1100* 0 = success
1101*/
a4722cf2 1102int
e315cd28 1103qla2x00_loop_reset(scsi_qla_host_t *vha)
1da177e4 1104{
0c8c39af 1105 int ret;
bdf79621 1106 struct fc_port *fcport;
e315cd28 1107 struct qla_hw_data *ha = vha->hw;
1da177e4 1108
749af3d5 1109 if (ha->flags.enable_lip_full_login && !vha->vp_idx) {
e315cd28 1110 ret = qla2x00_full_login_lip(vha);
0c8c39af 1111 if (ret != QLA_SUCCESS) {
749af3d5 1112 DEBUG2_3(printk("%s(%ld): failed: "
e315cd28 1113 "full_login_lip=%d.\n", __func__, vha->host_no,
0c8c39af 1114 ret));
749af3d5
AC		 1115 }
1116 atomic_set(&vha->loop_state, LOOP_DOWN);
1117 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1118 qla2x00_mark_all_devices_lost(vha, 0);
1119 qla2x00_wait_for_loop_ready(vha);
0c8c39af
AV		 1120 }
1121
749af3d5 1122 if (ha->flags.enable_lip_reset && !vha->vp_idx) {
e315cd28 1123 ret = qla2x00_lip_reset(vha);
0c8c39af 1124 if (ret != QLA_SUCCESS) {
749af3d5 1125 DEBUG2_3(printk("%s(%ld): failed: "
e315cd28
AC		 1126 "lip_reset=%d.\n", __func__, vha->host_no, ret));
1127 } else
1128 qla2x00_wait_for_loop_ready(vha);
1da177e4
LT		 1129 }
1130
0c8c39af 1131 if (ha->flags.enable_target_reset) {
e315cd28 1132 list_for_each_entry(fcport, &vha->vp_fcports, list) {
bdf79621 1133 if (fcport->port_type != FCT_TARGET)
1da177e4
LT		 1134 continue;
1135
523ec773 1136 ret = ha->isp_ops->target_reset(fcport, 0);
0c8c39af
AV		 1137 if (ret != QLA_SUCCESS) {
1138 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1139 "target_reset=%d d_id=%x.\n", __func__,
e315cd28 1140 vha->host_no, ret, fcport->d_id.b24));
0c8c39af 1141 }
1da177e4
LT		 1142 }
1143 }
1da177e4 1144 /* Issue marker command only when we are going to start the I/O */
e315cd28 1145 vha->marker_needed = 1;
1da177e4 1146
0c8c39af 1147 return QLA_SUCCESS;
1da177e4
LT		 1148}
1149
df4bf0bb 1150void
e315cd28 1151qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
df4bf0bb 1152{
73208dfd 1153 int que, cnt;
df4bf0bb
AV		 1154 unsigned long flags;
1155 srb_t *sp;
e315cd28 1156 struct qla_hw_data *ha = vha->hw;
73208dfd 1157 struct req_que *req;
df4bf0bb
AV		 1158
1159 spin_lock_irqsave(&ha->hardware_lock, flags);
29bdccbe
AC		 1160 for (que = 0; que < ha->max_queues; que++) {
1161 req = ha->req_q_map[que];
73208dfd
AC		 1162 if (!req)
1163 continue;
1164 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1165 sp = req->outstanding_cmds[cnt];
444786d7 1166 if (sp && sp->fcport->vha == vha) {
73208dfd
AC		 1167 req->outstanding_cmds[cnt] = NULL;
1168 sp->cmd->result = res;
1169 qla2x00_sp_compl(ha, sp);
1170 }
df4bf0bb
AV		 1171 }
1172 }
1173 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1174}
1175
f4f051eb
AV		 1176static int
1177qla2xxx_slave_alloc(struct scsi_device *sdev)
1da177e4 1178{
bdf79621 1179 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1da177e4 1180
19a7b4ae 1181 if (!rport || fc_remote_port_chkready(rport))
f4f051eb 1182 return -ENXIO;
bdf79621 1183
19a7b4ae 1184 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1da177e4 1185
f4f051eb
AV		 1186 return 0;
1187}
1da177e4 1188
f4f051eb
AV		 1189static int
1190qla2xxx_slave_configure(struct scsi_device *sdev)
1191{
e315cd28
AC		 1192 scsi_qla_host_t *vha = shost_priv(sdev->host);
1193 struct qla_hw_data *ha = vha->hw;
8482e118 1194 struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
29bdccbe 1195 struct req_que *req = ha->req_q_map[vha->req_ques[0]];
8482e118 1196
f4f051eb 1197 if (sdev->tagged_supported)
73208dfd 1198 scsi_activate_tcq(sdev, req->max_q_depth);
f4f051eb 1199 else
73208dfd 1200 scsi_deactivate_tcq(sdev, req->max_q_depth);
1da177e4 1201
85821c90 1202 rport->dev_loss_tmo = ha->port_down_retry_count;
8482e118 1203
f4f051eb
AV		 1204 return 0;
1205}
1da177e4 1206
f4f051eb
AV		 1207static void
1208qla2xxx_slave_destroy(struct scsi_device *sdev)
1209{
1210 sdev->hostdata = NULL;
1da177e4
LT		 1211}
1212
ce7e4af7
AV		 1213static int
1214qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
1215{
1216 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1217 return sdev->queue_depth;
1218}
1219
1220static int
1221qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1222{
1223 if (sdev->tagged_supported) {
1224 scsi_set_tag_type(sdev, tag_type);
1225 if (tag_type)
1226 scsi_activate_tcq(sdev, sdev->queue_depth);
1227 else
1228 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1229 } else
1230 tag_type = 0;
1231
1232 return tag_type;
1233}
1234
1da177e4
LT		 1235/**
1236 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1237 * @ha: HA context
1238 *
1239 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1240 * supported addressing method.
1241 */
1242static void
53303c42 1243qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1da177e4 1244{
7524f9b9 1245 /* Assume a 32bit DMA mask. */
1da177e4 1246 ha->flags.enable_64bit_addressing = 0;
1da177e4 1247
7524f9b9
AV		 1248 if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) {
1249 /* Any upper-dword bits set? */
1250 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1251 !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) {
1252 /* Ok, a 64bit DMA mask is applicable. */
1da177e4 1253 ha->flags.enable_64bit_addressing = 1;
fd34f556
AV		 1254 ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1255 ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
7524f9b9 1256 return;
1da177e4 1257 }
1da177e4 1258 }
7524f9b9
AV		 1259
1260 dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK);
1261 pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK);
1da177e4
LT		 1262}
1263
fd34f556 1264static void
e315cd28 1265qla2x00_enable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1266{
1267 unsigned long flags = 0;
1268 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1269
1270 spin_lock_irqsave(&ha->hardware_lock, flags);
1271 ha->interrupts_on = 1;
1272 /* enable risc and host interrupts */
1273 WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1274 RD_REG_WORD(&reg->ictrl);
1275 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1276
1277}
1278
1279static void
e315cd28 1280qla2x00_disable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1281{
1282 unsigned long flags = 0;
1283 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1284
1285 spin_lock_irqsave(&ha->hardware_lock, flags);
1286 ha->interrupts_on = 0;
1287 /* disable risc and host interrupts */
1288 WRT_REG_WORD(&reg->ictrl, 0);
1289 RD_REG_WORD(&reg->ictrl);
1290 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1291}
1292
1293static void
e315cd28 1294qla24xx_enable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1295{
1296 unsigned long flags = 0;
1297 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1298
1299 spin_lock_irqsave(&ha->hardware_lock, flags);
1300 ha->interrupts_on = 1;
1301 WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1302 RD_REG_DWORD(&reg->ictrl);
1303 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1304}
1305
1306static void
e315cd28 1307qla24xx_disable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1308{
1309 unsigned long flags = 0;
1310 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1311
124f85e6
AV		 1312 if (IS_NOPOLLING_TYPE(ha))
1313 return;
fd34f556
AV		 1314 spin_lock_irqsave(&ha->hardware_lock, flags);
1315 ha->interrupts_on = 0;
1316 WRT_REG_DWORD(&reg->ictrl, 0);
1317 RD_REG_DWORD(&reg->ictrl);
1318 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1319}
1320
1321static struct isp_operations qla2100_isp_ops = {
1322 .pci_config = qla2100_pci_config,
1323 .reset_chip = qla2x00_reset_chip,
1324 .chip_diag = qla2x00_chip_diag,
1325 .config_rings = qla2x00_config_rings,
1326 .reset_adapter = qla2x00_reset_adapter,
1327 .nvram_config = qla2x00_nvram_config,
1328 .update_fw_options = qla2x00_update_fw_options,
1329 .load_risc = qla2x00_load_risc,
1330 .pci_info_str = qla2x00_pci_info_str,
1331 .fw_version_str = qla2x00_fw_version_str,
1332 .intr_handler = qla2100_intr_handler,
1333 .enable_intrs = qla2x00_enable_intrs,
1334 .disable_intrs = qla2x00_disable_intrs,
1335 .abort_command = qla2x00_abort_command,
523ec773
AV		 1336 .target_reset = qla2x00_abort_target,
1337 .lun_reset = qla2x00_lun_reset,
fd34f556
AV		 1338 .fabric_login = qla2x00_login_fabric,
1339 .fabric_logout = qla2x00_fabric_logout,
1340 .calc_req_entries = qla2x00_calc_iocbs_32,
1341 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1342 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1343 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1344 .read_nvram = qla2x00_read_nvram_data,
1345 .write_nvram = qla2x00_write_nvram_data,
1346 .fw_dump = qla2100_fw_dump,
1347 .beacon_on = NULL,
1348 .beacon_off = NULL,
1349 .beacon_blink = NULL,
1350 .read_optrom = qla2x00_read_optrom_data,
1351 .write_optrom = qla2x00_write_optrom_data,
1352 .get_flash_version = qla2x00_get_flash_version,
e315cd28 1353 .start_scsi = qla2x00_start_scsi,
17d98630
AC		 1354 .wrt_req_reg = NULL,
1355 .wrt_rsp_reg = NULL,
1356 .rd_req_reg = NULL,
fd34f556
AV		 1357};
1358
1359static struct isp_operations qla2300_isp_ops = {
1360 .pci_config = qla2300_pci_config,
1361 .reset_chip = qla2x00_reset_chip,
1362 .chip_diag = qla2x00_chip_diag,
1363 .config_rings = qla2x00_config_rings,
1364 .reset_adapter = qla2x00_reset_adapter,
1365 .nvram_config = qla2x00_nvram_config,
1366 .update_fw_options = qla2x00_update_fw_options,
1367 .load_risc = qla2x00_load_risc,
1368 .pci_info_str = qla2x00_pci_info_str,
1369 .fw_version_str = qla2x00_fw_version_str,
1370 .intr_handler = qla2300_intr_handler,
1371 .enable_intrs = qla2x00_enable_intrs,
1372 .disable_intrs = qla2x00_disable_intrs,
1373 .abort_command = qla2x00_abort_command,
523ec773
AV		 1374 .target_reset = qla2x00_abort_target,
1375 .lun_reset = qla2x00_lun_reset,
fd34f556
AV		 1376 .fabric_login = qla2x00_login_fabric,
1377 .fabric_logout = qla2x00_fabric_logout,
1378 .calc_req_entries = qla2x00_calc_iocbs_32,
1379 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1380 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1381 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1382 .read_nvram = qla2x00_read_nvram_data,
1383 .write_nvram = qla2x00_write_nvram_data,
1384 .fw_dump = qla2300_fw_dump,
1385 .beacon_on = qla2x00_beacon_on,
1386 .beacon_off = qla2x00_beacon_off,
1387 .beacon_blink = qla2x00_beacon_blink,
1388 .read_optrom = qla2x00_read_optrom_data,
1389 .write_optrom = qla2x00_write_optrom_data,
1390 .get_flash_version = qla2x00_get_flash_version,
e315cd28 1391 .start_scsi = qla2x00_start_scsi,
17d98630
AC		 1392 .wrt_req_reg = NULL,
1393 .wrt_rsp_reg = NULL,
1394 .rd_req_reg = NULL,
fd34f556
AV		 1395};
1396
1397static struct isp_operations qla24xx_isp_ops = {
1398 .pci_config = qla24xx_pci_config,
1399 .reset_chip = qla24xx_reset_chip,
1400 .chip_diag = qla24xx_chip_diag,
1401 .config_rings = qla24xx_config_rings,
1402 .reset_adapter = qla24xx_reset_adapter,
1403 .nvram_config = qla24xx_nvram_config,
1404 .update_fw_options = qla24xx_update_fw_options,
1405 .load_risc = qla24xx_load_risc,
1406 .pci_info_str = qla24xx_pci_info_str,
1407 .fw_version_str = qla24xx_fw_version_str,
1408 .intr_handler = qla24xx_intr_handler,
1409 .enable_intrs = qla24xx_enable_intrs,
1410 .disable_intrs = qla24xx_disable_intrs,
1411 .abort_command = qla24xx_abort_command,
523ec773
AV		 1412 .target_reset = qla24xx_abort_target,
1413 .lun_reset = qla24xx_lun_reset,
fd34f556
AV		 1414 .fabric_login = qla24xx_login_fabric,
1415 .fabric_logout = qla24xx_fabric_logout,
1416 .calc_req_entries = NULL,
1417 .build_iocbs = NULL,
1418 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1419 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1420 .read_nvram = qla24xx_read_nvram_data,
1421 .write_nvram = qla24xx_write_nvram_data,
1422 .fw_dump = qla24xx_fw_dump,
1423 .beacon_on = qla24xx_beacon_on,
1424 .beacon_off = qla24xx_beacon_off,
1425 .beacon_blink = qla24xx_beacon_blink,
1426 .read_optrom = qla24xx_read_optrom_data,
1427 .write_optrom = qla24xx_write_optrom_data,
1428 .get_flash_version = qla24xx_get_flash_version,
e315cd28 1429 .start_scsi = qla24xx_start_scsi,
17d98630
AC		 1430 .wrt_req_reg = qla24xx_wrt_req_reg,
1431 .wrt_rsp_reg = qla24xx_wrt_rsp_reg,
1432 .rd_req_reg = qla24xx_rd_req_reg,
fd34f556
AV		 1433};
1434
c3a2f0df
AV		 1435static struct isp_operations qla25xx_isp_ops = {
1436 .pci_config = qla25xx_pci_config,
1437 .reset_chip = qla24xx_reset_chip,
1438 .chip_diag = qla24xx_chip_diag,
1439 .config_rings = qla24xx_config_rings,
1440 .reset_adapter = qla24xx_reset_adapter,
1441 .nvram_config = qla24xx_nvram_config,
1442 .update_fw_options = qla24xx_update_fw_options,
1443 .load_risc = qla24xx_load_risc,
1444 .pci_info_str = qla24xx_pci_info_str,
1445 .fw_version_str = qla24xx_fw_version_str,
1446 .intr_handler = qla24xx_intr_handler,
1447 .enable_intrs = qla24xx_enable_intrs,
1448 .disable_intrs = qla24xx_disable_intrs,
1449 .abort_command = qla24xx_abort_command,
523ec773
AV		 1450 .target_reset = qla24xx_abort_target,
1451 .lun_reset = qla24xx_lun_reset,
c3a2f0df
AV		 1452 .fabric_login = qla24xx_login_fabric,
1453 .fabric_logout = qla24xx_fabric_logout,
1454 .calc_req_entries = NULL,
1455 .build_iocbs = NULL,
1456 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1457 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1458 .read_nvram = qla25xx_read_nvram_data,
1459 .write_nvram = qla25xx_write_nvram_data,
1460 .fw_dump = qla25xx_fw_dump,
1461 .beacon_on = qla24xx_beacon_on,
1462 .beacon_off = qla24xx_beacon_off,
1463 .beacon_blink = qla24xx_beacon_blink,
338c9161 1464 .read_optrom = qla25xx_read_optrom_data,
c3a2f0df
AV		 1465 .write_optrom = qla24xx_write_optrom_data,
1466 .get_flash_version = qla24xx_get_flash_version,
e315cd28 1467 .start_scsi = qla24xx_start_scsi,
17d98630
AC		 1468 .wrt_req_reg = qla24xx_wrt_req_reg,
1469 .wrt_rsp_reg = qla24xx_wrt_rsp_reg,
1470 .rd_req_reg = qla24xx_rd_req_reg,
c3a2f0df
AV		 1471};
1472
3a03eb79
AV		 1473static struct isp_operations qla81xx_isp_ops = {
1474 .pci_config = qla25xx_pci_config,
1475 .reset_chip = qla24xx_reset_chip,
1476 .chip_diag = qla24xx_chip_diag,
1477 .config_rings = qla24xx_config_rings,
1478 .reset_adapter = qla24xx_reset_adapter,
1479 .nvram_config = qla81xx_nvram_config,
1480 .update_fw_options = qla81xx_update_fw_options,
eaac30be 1481 .load_risc = qla81xx_load_risc,
3a03eb79
AV		 1482 .pci_info_str = qla24xx_pci_info_str,
1483 .fw_version_str = qla24xx_fw_version_str,
1484 .intr_handler = qla24xx_intr_handler,
1485 .enable_intrs = qla24xx_enable_intrs,
1486 .disable_intrs = qla24xx_disable_intrs,
1487 .abort_command = qla24xx_abort_command,
1488 .target_reset = qla24xx_abort_target,
1489 .lun_reset = qla24xx_lun_reset,
1490 .fabric_login = qla24xx_login_fabric,
1491 .fabric_logout = qla24xx_fabric_logout,
1492 .calc_req_entries = NULL,
1493 .build_iocbs = NULL,
1494 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1495 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1496 .read_nvram = qla25xx_read_nvram_data,
1497 .write_nvram = qla25xx_write_nvram_data,
1498 .fw_dump = qla81xx_fw_dump,
1499 .beacon_on = qla24xx_beacon_on,
1500 .beacon_off = qla24xx_beacon_off,
1501 .beacon_blink = qla24xx_beacon_blink,
1502 .read_optrom = qla25xx_read_optrom_data,
1503 .write_optrom = qla24xx_write_optrom_data,
1504 .get_flash_version = qla24xx_get_flash_version,
1505 .start_scsi = qla24xx_start_scsi,
1506 .wrt_req_reg = qla24xx_wrt_req_reg,
1507 .wrt_rsp_reg = qla24xx_wrt_rsp_reg,
1508 .rd_req_reg = qla24xx_rd_req_reg,
1509};
1510
ea5b6382 1511static inline void
e315cd28 1512qla2x00_set_isp_flags(struct qla_hw_data *ha)
ea5b6382
AV		 1513{
1514 ha->device_type = DT_EXTENDED_IDS;
1515 switch (ha->pdev->device) {
1516 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1517 ha->device_type |= DT_ISP2100;
1518 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1519 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382
AV		 1520 break;
1521 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1522 ha->device_type |= DT_ISP2200;
1523 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1524 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382
AV		 1525 break;
1526 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1527 ha->device_type |= DT_ISP2300;
4a59f71d 1528 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1529 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1530 break;
1531 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1532 ha->device_type |= DT_ISP2312;
4a59f71d 1533 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1534 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1535 break;
1536 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1537 ha->device_type |= DT_ISP2322;
4a59f71d 1538 ha->device_type |= DT_ZIO_SUPPORTED;
ea5b6382
AV		 1539 if (ha->pdev->subsystem_vendor == 0x1028 &&
1540 ha->pdev->subsystem_device == 0x0170)
1541 ha->device_type |= DT_OEM_001;
441d1072 1542 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1543 break;
1544 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1545 ha->device_type |= DT_ISP6312;
441d1072 1546 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1547 break;
1548 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1549 ha->device_type |= DT_ISP6322;
441d1072 1550 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1551 break;
1552 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1553 ha->device_type |= DT_ISP2422;
4a59f71d 1554 ha->device_type |= DT_ZIO_SUPPORTED;
e428924c 1555 ha->device_type |= DT_FWI2;
c76f2c01 1556 ha->device_type |= DT_IIDMA;
441d1072 1557 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382
AV		 1558 break;
1559 case PCI_DEVICE_ID_QLOGIC_ISP2432:
1560 ha->device_type |= DT_ISP2432;
4a59f71d 1561 ha->device_type |= DT_ZIO_SUPPORTED;
e428924c 1562 ha->device_type |= DT_FWI2;
c76f2c01 1563 ha->device_type |= DT_IIDMA;
441d1072 1564 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1565 break;
4d4df193
HK		 1566 case PCI_DEVICE_ID_QLOGIC_ISP8432:
1567 ha->device_type |= DT_ISP8432;
1568 ha->device_type |= DT_ZIO_SUPPORTED;
1569 ha->device_type |= DT_FWI2;
1570 ha->device_type |= DT_IIDMA;
1571 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1572 break;
044cc6c8
AV		 1573 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1574 ha->device_type |= DT_ISP5422;
e428924c 1575 ha->device_type |= DT_FWI2;
441d1072 1576 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1577 break;
044cc6c8
AV		 1578 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1579 ha->device_type |= DT_ISP5432;
e428924c 1580 ha->device_type |= DT_FWI2;
441d1072 1581 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1582 break;
c3a2f0df
AV		 1583 case PCI_DEVICE_ID_QLOGIC_ISP2532:
1584 ha->device_type |= DT_ISP2532;
1585 ha->device_type |= DT_ZIO_SUPPORTED;
1586 ha->device_type |= DT_FWI2;
1587 ha->device_type |= DT_IIDMA;
441d1072 1588 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1589 break;
3a03eb79
AV		 1590 case PCI_DEVICE_ID_QLOGIC_ISP8001:
1591 ha->device_type |= DT_ISP8001;
1592 ha->device_type |= DT_ZIO_SUPPORTED;
1593 ha->device_type |= DT_FWI2;
1594 ha->device_type |= DT_IIDMA;
1595 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1596 break;
ea5b6382
AV		 1597 }
1598}
1599
1da177e4 1600static int
e315cd28 1601qla2x00_iospace_config(struct qla_hw_data *ha)
1da177e4 1602{
3776541d 1603 resource_size_t pio;
73208dfd 1604 uint16_t msix;
1da177e4 1605
285d0321
AV		 1606 if (pci_request_selected_regions(ha->pdev, ha->bars,
1607 QLA2XXX_DRIVER_NAME)) {
1608 qla_printk(KERN_WARNING, ha,
1609 "Failed to reserve PIO/MMIO regions (%s)\n",
1610 pci_name(ha->pdev));
1611
1612 goto iospace_error_exit;
1613 }
1614 if (!(ha->bars & 1))
1615 goto skip_pio;
1616
1da177e4
LT		 1617 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1618 pio = pci_resource_start(ha->pdev, 0);
3776541d
AV		 1619 if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1620 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1da177e4
LT		 1621 qla_printk(KERN_WARNING, ha,
1622 "Invalid PCI I/O region size (%s)...\n",
1623 pci_name(ha->pdev));
1624 pio = 0;
1625 }
1626 } else {
1627 qla_printk(KERN_WARNING, ha,
1628 "region #0 not a PIO resource (%s)...\n",
1629 pci_name(ha->pdev));
1630 pio = 0;
1631 }
285d0321 1632 ha->pio_address = pio;
1da177e4 1633
285d0321 1634skip_pio:
1da177e4 1635 /* Use MMIO operations for all accesses. */
3776541d 1636 if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1da177e4 1637 qla_printk(KERN_ERR, ha,
3776541d 1638 "region #1 not an MMIO resource (%s), aborting\n",
1da177e4
LT		 1639 pci_name(ha->pdev));
1640 goto iospace_error_exit;
1641 }
3776541d 1642 if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1da177e4
LT		 1643 qla_printk(KERN_ERR, ha,
1644 "Invalid PCI mem region size (%s), aborting\n",
1645 pci_name(ha->pdev));
1646 goto iospace_error_exit;
1647 }
1648
3776541d 1649 ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1da177e4
LT		 1650 if (!ha->iobase) {
1651 qla_printk(KERN_ERR, ha,
1652 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1653
1654 goto iospace_error_exit;
1655 }
1656
73208dfd
AC		 1657 /* Determine queue resources */
1658 ha->max_queues = 1;
3a03eb79 1659 if (ql2xmaxqueues <= 1 || (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
17d98630
AC		 1660 goto mqiobase_exit;
1661 ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1662 pci_resource_len(ha->pdev, 3));
1663 if (ha->mqiobase) {
1664 /* Read MSIX vector size of the board */
1665 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1666 ha->msix_count = msix;
1667 /* Max queues are bounded by available msix vectors */
1668 /* queue 0 uses two msix vectors */
1669 if (ha->msix_count - 1 < ql2xmaxqueues)
1670 ha->max_queues = ha->msix_count - 1;
1671 else if (ql2xmaxqueues > QLA_MQ_SIZE)
1672 ha->max_queues = QLA_MQ_SIZE;
1673 else
1674 ha->max_queues = ql2xmaxqueues;
1675 qla_printk(KERN_INFO, ha,
1676 "MSI-X vector count: %d\n", msix);
73208dfd 1677 }
17d98630
AC		 1678
1679mqiobase_exit:
73208dfd 1680 ha->msix_count = ha->max_queues + 1;
1da177e4
LT		 1681 return (0);
1682
1683iospace_error_exit:
1684 return (-ENOMEM);
1685}
1686
1e99e33a
AV		 1687static void
1688qla2xxx_scan_start(struct Scsi_Host *shost)
1689{
e315cd28 1690 scsi_qla_host_t *vha = shost_priv(shost);
1e99e33a 1691
e315cd28
AC		 1692 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1693 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1694 set_bit(RSCN_UPDATE, &vha->dpc_flags);
1695 set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
1e99e33a
AV		 1696}
1697
1698static int
1699qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1700{
e315cd28 1701 scsi_qla_host_t *vha = shost_priv(shost);
1e99e33a 1702
e315cd28 1703 if (!vha->host)
1e99e33a 1704 return 1;
e315cd28 1705 if (time > vha->hw->loop_reset_delay * HZ)
1e99e33a
AV		 1706 return 1;
1707
e315cd28 1708 return atomic_read(&vha->loop_state) == LOOP_READY;
1e99e33a
AV		 1709}
1710
1da177e4
LT		 1711/*
1712 * PCI driver interface
1713 */
7ee61397
AV		 1714static int __devinit
1715qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1da177e4 1716{
a1541d5a 1717 int ret = -ENODEV;
1da177e4 1718 struct Scsi_Host *host;
e315cd28
AC		 1719 scsi_qla_host_t *base_vha = NULL;
1720 struct qla_hw_data *ha;
29856e28 1721 char pci_info[30];
1da177e4 1722 char fw_str[30];
5433383e 1723 struct scsi_host_template *sht;
c51da4ec 1724 int bars, max_id, mem_only = 0;
e315cd28 1725 uint16_t req_length = 0, rsp_length = 0;
73208dfd
AC		 1726 struct req_que *req = NULL;
1727 struct rsp_que *rsp = NULL;
1da177e4 1728
285d0321 1729 bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
5433383e
AV		 1730 sht = &qla2x00_driver_template;
1731 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
8bc69e7d 1732 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
4d4df193 1733 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
8bc69e7d 1734 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
c3a2f0df 1735 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
3a03eb79
AV		 1736 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
1737 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001) {
285d0321 1738 bars = pci_select_bars(pdev, IORESOURCE_MEM);
5433383e 1739 sht = &qla24xx_driver_template;
09483916 1740 mem_only = 1;
285d0321
AV		 1741 }
1742
09483916
BH		 1743 if (mem_only) {
1744 if (pci_enable_device_mem(pdev))
1745 goto probe_out;
1746 } else {
1747 if (pci_enable_device(pdev))
1748 goto probe_out;
1749 }
285d0321 1750
0927678f
JB		 1751 /* This may fail but that's ok */
1752 pci_enable_pcie_error_reporting(pdev);
285d0321 1753
e315cd28
AC		 1754 ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
1755 if (!ha) {
1756 DEBUG(printk("Unable to allocate memory for ha\n"));
1757 goto probe_out;
1da177e4 1758 }
e315cd28 1759 ha->pdev = pdev;
1da177e4
LT		 1760
1761 /* Clear our data area */
285d0321 1762 ha->bars = bars;
09483916 1763 ha->mem_only = mem_only;
df4bf0bb 1764 spin_lock_init(&ha->hardware_lock);
1da177e4 1765
ea5b6382
AV		 1766 /* Set ISP-type information. */
1767 qla2x00_set_isp_flags(ha);
1da177e4
LT		 1768 /* Configure PCI I/O space */
1769 ret = qla2x00_iospace_config(ha);
a1541d5a 1770 if (ret)
e315cd28 1771 goto probe_hw_failed;
1da177e4 1772
1da177e4 1773 qla_printk(KERN_INFO, ha,
5433383e
AV		 1774 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1775 ha->iobase);
1da177e4 1776
1da177e4 1777 ha->prev_topology = 0;
fca29703 1778 ha->init_cb_size = sizeof(init_cb_t);
d8b45213 1779 ha->link_data_rate = PORT_SPEED_UNKNOWN;
854165f4 1780 ha->optrom_size = OPTROM_SIZE_2300;
1da177e4 1781
abbd8870 1782 /* Assign ISP specific operations. */
e315cd28 1783 max_id = MAX_TARGETS_2200;
1da177e4 1784 if (IS_QLA2100(ha)) {
e315cd28 1785 max_id = MAX_TARGETS_2100;
1da177e4 1786 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
e315cd28
AC		 1787 req_length = REQUEST_ENTRY_CNT_2100;
1788 rsp_length = RESPONSE_ENTRY_CNT_2100;
1789 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
abbd8870 1790 ha->gid_list_info_size = 4;
3a03eb79
AV		 1791 ha->flash_conf_off = ~0;
1792 ha->flash_data_off = ~0;
1793 ha->nvram_conf_off = ~0;
1794 ha->nvram_data_off = ~0;
fd34f556 1795 ha->isp_ops = &qla2100_isp_ops;
1da177e4 1796 } else if (IS_QLA2200(ha)) {
1da177e4 1797 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1798 req_length = REQUEST_ENTRY_CNT_2200;
1799 rsp_length = RESPONSE_ENTRY_CNT_2100;
1800 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
abbd8870 1801 ha->gid_list_info_size = 4;
3a03eb79
AV		 1802 ha->flash_conf_off = ~0;
1803 ha->flash_data_off = ~0;
1804 ha->nvram_conf_off = ~0;
1805 ha->nvram_data_off = ~0;
fd34f556 1806 ha->isp_ops = &qla2100_isp_ops;
fca29703 1807 } else if (IS_QLA23XX(ha)) {
1da177e4 1808 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1809 req_length = REQUEST_ENTRY_CNT_2200;
1810 rsp_length = RESPONSE_ENTRY_CNT_2300;
1811 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
abbd8870 1812 ha->gid_list_info_size = 6;
854165f4
AV		 1813 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1814 ha->optrom_size = OPTROM_SIZE_2322;
3a03eb79
AV		 1815 ha->flash_conf_off = ~0;
1816 ha->flash_data_off = ~0;
1817 ha->nvram_conf_off = ~0;
1818 ha->nvram_data_off = ~0;
fd34f556 1819 ha->isp_ops = &qla2300_isp_ops;
4d4df193 1820 } else if (IS_QLA24XX_TYPE(ha)) {
fca29703 1821 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1822 req_length = REQUEST_ENTRY_CNT_24XX;
1823 rsp_length = RESPONSE_ENTRY_CNT_2300;
1824 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2c3dfe3f 1825 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
fca29703 1826 ha->gid_list_info_size = 8;
854165f4 1827 ha->optrom_size = OPTROM_SIZE_24XX;
73208dfd 1828 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
fd34f556 1829 ha->isp_ops = &qla24xx_isp_ops;
3a03eb79
AV		 1830 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
1831 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
1832 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
1833 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
c3a2f0df 1834 } else if (IS_QLA25XX(ha)) {
c3a2f0df 1835 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1836 req_length = REQUEST_ENTRY_CNT_24XX;
1837 rsp_length = RESPONSE_ENTRY_CNT_2300;
1838 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
c3a2f0df 1839 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
c3a2f0df
AV		 1840 ha->gid_list_info_size = 8;
1841 ha->optrom_size = OPTROM_SIZE_25XX;
73208dfd 1842 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
c3a2f0df 1843 ha->isp_ops = &qla25xx_isp_ops;
3a03eb79
AV		 1844 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
1845 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
1846 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
1847 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
1848 } else if (IS_QLA81XX(ha)) {
1849 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1850 req_length = REQUEST_ENTRY_CNT_24XX;
1851 rsp_length = RESPONSE_ENTRY_CNT_2300;
1852 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1853 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
1854 ha->gid_list_info_size = 8;
1855 ha->optrom_size = OPTROM_SIZE_81XX;
1856 ha->isp_ops = &qla81xx_isp_ops;
1857 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
1858 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
1859 ha->nvram_conf_off = ~0;
1860 ha->nvram_data_off = ~0;
1da177e4 1861 }
1da177e4 1862
6c2f527c 1863 mutex_init(&ha->vport_lock);
0b05a1f0
MB		 1864 init_completion(&ha->mbx_cmd_comp);
1865 complete(&ha->mbx_cmd_comp);
1866 init_completion(&ha->mbx_intr_comp);
1da177e4 1867
2c3dfe3f 1868 set_bit(0, (unsigned long *) ha->vp_idx_map);
1da177e4 1869
53303c42 1870 qla2x00_config_dma_addressing(ha);
73208dfd 1871 ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
e315cd28 1872 if (!ret) {
1da177e4
LT		 1873 qla_printk(KERN_WARNING, ha,
1874 "[ERROR] Failed to allocate memory for adapter\n");
1875
e315cd28
AC		 1876 goto probe_hw_failed;
1877 }
1878
73208dfd 1879 req->max_q_depth = MAX_Q_DEPTH;
e315cd28 1880 if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
73208dfd
AC		 1881 req->max_q_depth = ql2xmaxqdepth;
1882
e315cd28
AC		 1883
1884 base_vha = qla2x00_create_host(sht, ha);
1885 if (!base_vha) {
1886 qla_printk(KERN_WARNING, ha,
1887 "[ERROR] Failed to allocate memory for scsi_host\n");
1888
a1541d5a 1889 ret = -ENOMEM;
6e9f21f3
AC		 1890 qla2x00_mem_free(ha);
1891 qla2x00_free_que(ha, req, rsp);
e315cd28 1892 goto probe_hw_failed;
1da177e4
LT		 1893 }
1894
e315cd28
AC		 1895 pci_set_drvdata(pdev, base_vha);
1896
e315cd28 1897 host = base_vha->host;
73208dfd
AC		 1898 base_vha->req_ques[0] = req->id;
1899 host->can_queue = req->length + 128;
1900 if (IS_QLA2XXX_MIDTYPE(ha))
e315cd28 1901 base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
73208dfd 1902 else
e315cd28
AC		 1903 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
1904 base_vha->vp_idx;
e315cd28
AC		 1905 if (IS_QLA2100(ha))
1906 host->sg_tablesize = 32;
1907 host->max_id = max_id;
1908 host->this_id = 255;
1909 host->cmd_per_lun = 3;
1910 host->unique_id = host->host_no;
1911 host->max_cmd_len = MAX_CMDSZ;
1912 host->max_channel = MAX_BUSES - 1;
1913 host->max_lun = MAX_LUNS;
1914 host->transportt = qla2xxx_transport_template;
1915
73208dfd
AC		 1916 /* Set up the irqs */
1917 ret = qla2x00_request_irqs(ha, rsp);
1918 if (ret)
6e9f21f3 1919 goto probe_init_failed;
73208dfd
AC		 1920 /* Alloc arrays of request and response ring ptrs */
1921 if (!qla2x00_alloc_queues(ha)) {
1922 qla_printk(KERN_WARNING, ha,
1923 "[ERROR] Failed to allocate memory for queue"
1924 " pointers\n");
6e9f21f3 1925 goto probe_init_failed;
73208dfd
AC		 1926 }
1927 ha->rsp_q_map[0] = rsp;
1928 ha->req_q_map[0] = req;
1929
17d98630
AC		 1930 if (ha->mqenable) {
1931 ha->isp_ops->wrt_req_reg = qla25xx_wrt_req_reg;
1932 ha->isp_ops->wrt_rsp_reg = qla25xx_wrt_rsp_reg;
1933 ha->isp_ops->rd_req_reg = qla25xx_rd_req_reg;
1934 }
1935
e315cd28 1936 if (qla2x00_initialize_adapter(base_vha)) {
1da177e4
LT		 1937 qla_printk(KERN_WARNING, ha,
1938 "Failed to initialize adapter\n");
1939
1940 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1941 "Adapter flags %x.\n",
e315cd28 1942 base_vha->host_no, base_vha->device_flags));
1da177e4 1943
a1541d5a 1944 ret = -ENODEV;
1da177e4
LT		 1945 goto probe_failed;
1946 }
1947
1948 /*
1949 * Startup the kernel thread for this host adapter
1950 */
39a11240 1951 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
e315cd28 1952 "%s_dpc", base_vha->host_str);
39a11240 1953 if (IS_ERR(ha->dpc_thread)) {
1da177e4
LT		 1954 qla_printk(KERN_WARNING, ha,
1955 "Unable to start DPC thread!\n");
39a11240 1956 ret = PTR_ERR(ha->dpc_thread);
1da177e4
LT		 1957 goto probe_failed;
1958 }
1da177e4 1959
e315cd28
AC		 1960 list_add_tail(&base_vha->list, &ha->vp_list);
1961 base_vha->host->irq = ha->pdev->irq;
1da177e4
LT		 1962
1963 /* Initialized the timer */
e315cd28 1964 qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
1da177e4
LT		 1965
1966 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
e315cd28 1967 base_vha->host_no, ha));
d19044c3 1968
e315cd28
AC		 1969 base_vha->flags.init_done = 1;
1970 base_vha->flags.online = 1;
d19044c3 1971
a1541d5a
AV		 1972 ret = scsi_add_host(host, &pdev->dev);
1973 if (ret)
1974 goto probe_failed;
1975
048feec5
AV		 1976 ha->isp_ops->enable_intrs(ha);
1977
1e99e33a
AV		 1978 scsi_scan_host(host);
1979
e315cd28 1980 qla2x00_alloc_sysfs_attr(base_vha);
a1541d5a 1981
e315cd28 1982 qla2x00_init_host_attr(base_vha);
a1541d5a 1983
e315cd28 1984 qla2x00_dfs_setup(base_vha);
df613b96 1985
1da177e4
LT		 1986 qla_printk(KERN_INFO, ha, "\n"
1987 " QLogic Fibre Channel HBA Driver: %s\n"
1988 " QLogic %s - %s\n"
5433383e
AV		 1989 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
1990 qla2x00_version_str, ha->model_number,
e315cd28
AC		 1991 ha->model_desc ? ha->model_desc : "", pdev->device,
1992 ha->isp_ops->pci_info_str(base_vha, pci_info), pci_name(pdev),
1993 ha->flags.enable_64bit_addressing ? '+' : '-', base_vha->host_no,
1994 ha->isp_ops->fw_version_str(base_vha, fw_str));
1da177e4 1995
1da177e4
LT		 1996 return 0;
1997
6e9f21f3
AC		 1998probe_init_failed:
1999 qla2x00_free_que(ha, req, rsp);
2000 ha->max_queues = 0;
2001
1da177e4 2002probe_failed:
e315cd28 2003 qla2x00_free_device(base_vha);
1da177e4 2004
e315cd28 2005 scsi_host_put(base_vha->host);
1da177e4 2006
e315cd28
AC		 2007probe_hw_failed:
2008 if (ha->iobase)
2009 iounmap(ha->iobase);
2010
2011 pci_release_selected_regions(ha->pdev, ha->bars);
2012 kfree(ha);
2013 ha = NULL;
1da177e4 2014
a1541d5a 2015probe_out:
e315cd28 2016 pci_disable_device(pdev);
a1541d5a 2017 return ret;
1da177e4 2018}
1da177e4 2019
4c993f76 2020static void
7ee61397 2021qla2x00_remove_one(struct pci_dev *pdev)
1da177e4 2022{
e315cd28
AC		 2023 scsi_qla_host_t *base_vha, *vha, *temp;
2024 struct qla_hw_data *ha;
2025
2026 base_vha = pci_get_drvdata(pdev);
2027 ha = base_vha->hw;
2028
2029 list_for_each_entry_safe(vha, temp, &ha->vp_list, list) {
2030 if (vha && vha->fc_vport)
2031 fc_vport_terminate(vha->fc_vport);
2032 }
1da177e4 2033
e315cd28 2034 set_bit(UNLOADING, &base_vha->dpc_flags);
1da177e4 2035
e315cd28 2036 qla2x00_dfs_remove(base_vha);
c795c1e4 2037
e315cd28 2038 qla84xx_put_chip(base_vha);
c795c1e4 2039
e315cd28 2040 qla2x00_free_sysfs_attr(base_vha);
df613b96 2041
e315cd28 2042 fc_remove_host(base_vha->host);
4d4df193 2043
e315cd28 2044 scsi_remove_host(base_vha->host);
1da177e4 2045
e315cd28 2046 qla2x00_free_device(base_vha);
bdf79621 2047
e315cd28 2048 scsi_host_put(base_vha->host);
1da177e4 2049
e315cd28
AC		 2050 if (ha->iobase)
2051 iounmap(ha->iobase);
1da177e4 2052
73208dfd
AC		 2053 if (ha->mqiobase)
2054 iounmap(ha->mqiobase);
2055
e315cd28
AC		 2056 pci_release_selected_regions(ha->pdev, ha->bars);
2057 kfree(ha);
2058 ha = NULL;
1da177e4 2059
665db93b 2060 pci_disable_device(pdev);
1da177e4
LT		 2061 pci_set_drvdata(pdev, NULL);
2062}
1da177e4
LT		 2063
2064static void
e315cd28 2065qla2x00_free_device(scsi_qla_host_t *vha)
1da177e4 2066{
e315cd28
AC		 2067 struct qla_hw_data *ha = vha->hw;
2068 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
df4bf0bb 2069
1da177e4 2070 /* Disable timer */
e315cd28
AC		 2071 if (vha->timer_active)
2072 qla2x00_stop_timer(vha);
1da177e4 2073
e315cd28 2074 vha->flags.online = 0;
df4bf0bb 2075
1da177e4 2076 /* Kill the kernel thread for this host */
39a11240
CH		 2077 if (ha->dpc_thread) {
2078 struct task_struct *t = ha->dpc_thread;
1da177e4 2079
39a11240
CH		 2080 /*
2081 * qla2xxx_wake_dpc checks for ->dpc_thread
2082 * so we need to zero it out.
2083 */
2084 ha->dpc_thread = NULL;
2085 kthread_stop(t);
1da177e4
LT		 2086 }
2087
df613b96 2088 if (ha->flags.fce_enabled)
e315cd28 2089 qla2x00_disable_fce_trace(vha, NULL, NULL);
df613b96 2090
a7a167bf 2091 if (ha->eft)
e315cd28 2092 qla2x00_disable_eft_trace(vha);
a7a167bf 2093
f6ef3b18 2094 /* Stop currently executing firmware. */
e315cd28 2095 qla2x00_try_to_stop_firmware(vha);
1da177e4 2096
f6ef3b18
AV		 2097 /* turn-off interrupts on the card */
2098 if (ha->interrupts_on)
fd34f556 2099 ha->isp_ops->disable_intrs(ha);
f6ef3b18 2100
e315cd28 2101 qla2x00_free_irqs(vha);
1da177e4 2102
e315cd28 2103 qla2x00_mem_free(ha);
73208dfd
AC		 2104
2105 qla2x00_free_queues(ha);
1da177e4
LT		 2106}
2107
d97994dc 2108static inline void
e315cd28 2109qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
d97994dc
AV		 2110 int defer)
2111{
d97994dc
AV		 2112 struct fc_rport *rport;
2113
2114 if (!fcport->rport)
2115 return;
2116
2117 rport = fcport->rport;
2118 if (defer) {
e315cd28 2119 spin_lock_irq(vha->host->host_lock);
d97994dc 2120 fcport->drport = rport;
e315cd28
AC		 2121 spin_unlock_irq(vha->host->host_lock);
2122 set_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags);
2123 qla2xxx_wake_dpc(vha);
5f3a9a20 2124 } else
d97994dc 2125 fc_remote_port_delete(rport);
d97994dc
AV		 2126}
2127
1da177e4
LT		 2128/*
2129 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
2130 *
2131 * Input: ha = adapter block pointer. fcport = port structure pointer.
2132 *
2133 * Return: None.
2134 *
2135 * Context:
2136 */
e315cd28 2137void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
d97994dc 2138 int do_login, int defer)
1da177e4 2139{
2c3dfe3f 2140 if (atomic_read(&fcport->state) == FCS_ONLINE &&
e315cd28
AC		 2141 vha->vp_idx == fcport->vp_idx) {
2142 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2143 qla2x00_schedule_rport_del(vha, fcport, defer);
2144 }
fa2a1ce5 2145 /*
1da177e4
LT		 2146 * We may need to retry the login, so don't change the state of the
2147 * port but do the retries.
2148 */
2149 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
2150 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2151
2152 if (!do_login)
2153 return;
2154
2155 if (fcport->login_retry == 0) {
e315cd28
AC		 2156 fcport->login_retry = vha->hw->login_retry_count;
2157 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1da177e4
LT		 2158
2159 DEBUG(printk("scsi(%ld): Port login retry: "
2160 "%02x%02x%02x%02x%02x%02x%02x%02x, "
2161 "id = 0x%04x retry cnt=%d\n",
e315cd28 2162 vha->host_no,
1da177e4
LT		 2163 fcport->port_name[0],
2164 fcport->port_name[1],
2165 fcport->port_name[2],
2166 fcport->port_name[3],
2167 fcport->port_name[4],
2168 fcport->port_name[5],
2169 fcport->port_name[6],
2170 fcport->port_name[7],
2171 fcport->loop_id,
2172 fcport->login_retry));
2173 }
2174}
2175
2176/*
2177 * qla2x00_mark_all_devices_lost
2178 * Updates fcport state when device goes offline.
2179 *
2180 * Input:
2181 * ha = adapter block pointer.
2182 * fcport = port structure pointer.
2183 *
2184 * Return:
2185 * None.
2186 *
2187 * Context:
2188 */
2189void
e315cd28 2190qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
1da177e4
LT		 2191{
2192 fc_port_t *fcport;
2193
e315cd28
AC		 2194 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2195 if (vha->vp_idx != fcport->vp_idx)
1da177e4 2196 continue;
1da177e4
LT		 2197 /*
2198 * No point in marking the device as lost, if the device is
2199 * already DEAD.
2200 */
2201 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
2202 continue;
e315cd28
AC		 2203 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2204 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2205 qla2x00_schedule_rport_del(vha, fcport, defer);
2206 } else
2207 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1da177e4
LT		 2208 }
2209}
2210
2211/*
2212* qla2x00_mem_alloc
2213* Allocates adapter memory.
2214*
2215* Returns:
2216* 0 = success.
e8711085 2217* !0 = failure.
1da177e4 2218*/
e8711085 2219static int
73208dfd
AC		 2220qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
2221 struct req_que **req, struct rsp_que **rsp)
1da177e4
LT		 2222{
2223 char name[16];
1da177e4 2224
e315cd28
AC		 2225 ha->init_cb_size = sizeof(init_cb_t);
2226 if (IS_QLA2XXX_MIDTYPE(ha))
2227 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
e8711085
AV		 2228
2229 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
e315cd28 2230 &ha->init_cb_dma, GFP_KERNEL);
e8711085 2231 if (!ha->init_cb)
e315cd28 2232 goto fail;
e8711085 2233
e315cd28
AC		 2234 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2235 &ha->gid_list_dma, GFP_KERNEL);
2236 if (!ha->gid_list)
e8711085 2237 goto fail_free_init_cb;
1da177e4 2238
e8711085
AV		 2239 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2240 if (!ha->srb_mempool)
e315cd28 2241 goto fail_free_gid_list;
e8711085
AV		 2242
2243 /* Get memory for cached NVRAM */
2244 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2245 if (!ha->nvram)
2246 goto fail_free_srb_mempool;
2247
e315cd28
AC		 2248 snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
2249 ha->pdev->device);
2250 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2251 DMA_POOL_SIZE, 8, 0);
2252 if (!ha->s_dma_pool)
2253 goto fail_free_nvram;
2254
e8711085
AV		 2255 /* Allocate memory for SNS commands */
2256 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
e315cd28 2257 /* Get consistent memory allocated for SNS commands */
e8711085 2258 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
e315cd28 2259 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
e8711085 2260 if (!ha->sns_cmd)
e315cd28 2261 goto fail_dma_pool;
e8711085 2262 } else {
e315cd28 2263 /* Get consistent memory allocated for MS IOCB */
e8711085 2264 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
e315cd28 2265 &ha->ms_iocb_dma);
e8711085 2266 if (!ha->ms_iocb)
e315cd28
AC		 2267 goto fail_dma_pool;
2268 /* Get consistent memory allocated for CT SNS commands */
e8711085 2269 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
e315cd28 2270 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
e8711085
AV		 2271 if (!ha->ct_sns)
2272 goto fail_free_ms_iocb;
1da177e4
LT		 2273 }
2274
e315cd28 2275 /* Allocate memory for request ring */
73208dfd
AC		 2276 *req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
2277 if (!*req) {
e315cd28
AC		 2278 DEBUG(printk("Unable to allocate memory for req\n"));
2279 goto fail_req;
2280 }
73208dfd
AC		 2281 (*req)->length = req_len;
2282 (*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
2283 ((*req)->length + 1) * sizeof(request_t),
2284 &(*req)->dma, GFP_KERNEL);
2285 if (!(*req)->ring) {
e315cd28
AC		 2286 DEBUG(printk("Unable to allocate memory for req_ring\n"));
2287 goto fail_req_ring;
2288 }
2289 /* Allocate memory for response ring */
73208dfd
AC		 2290 *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
2291 if (!*rsp) {
2292 qla_printk(KERN_WARNING, ha,
2293 "Unable to allocate memory for rsp\n");
e315cd28
AC		 2294 goto fail_rsp;
2295 }
73208dfd
AC		 2296 (*rsp)->hw = ha;
2297 (*rsp)->length = rsp_len;
2298 (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
2299 ((*rsp)->length + 1) * sizeof(response_t),
2300 &(*rsp)->dma, GFP_KERNEL);
2301 if (!(*rsp)->ring) {
2302 qla_printk(KERN_WARNING, ha,
2303 "Unable to allocate memory for rsp_ring\n");
e315cd28
AC		 2304 goto fail_rsp_ring;
2305 }
73208dfd
AC		 2306 (*req)->rsp = *rsp;
2307 (*rsp)->req = *req;
2308 /* Allocate memory for NVRAM data for vports */
2309 if (ha->nvram_npiv_size) {
2310 ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
2311 ha->nvram_npiv_size, GFP_KERNEL);
2312 if (!ha->npiv_info) {
2313 qla_printk(KERN_WARNING, ha,
2314 "Unable to allocate memory for npiv info\n");
2315 goto fail_npiv_info;
2316 }
2317 } else
2318 ha->npiv_info = NULL;
e8711085 2319
e315cd28
AC		 2320 INIT_LIST_HEAD(&ha->vp_list);
2321 return 1;
2322
73208dfd
AC		 2323fail_npiv_info:
2324 dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
2325 sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
2326 (*rsp)->ring = NULL;
2327 (*rsp)->dma = 0;
e315cd28 2328fail_rsp_ring:
73208dfd 2329 kfree(*rsp);
e315cd28 2330fail_rsp:
73208dfd
AC		 2331 dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
2332 sizeof(request_t), (*req)->ring, (*req)->dma);
2333 (*req)->ring = NULL;
2334 (*req)->dma = 0;
e315cd28 2335fail_req_ring:
73208dfd 2336 kfree(*req);
e315cd28
AC		 2337fail_req:
2338 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2339 ha->ct_sns, ha->ct_sns_dma);
2340 ha->ct_sns = NULL;
2341 ha->ct_sns_dma = 0;
e8711085
AV		 2342fail_free_ms_iocb:
2343 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2344 ha->ms_iocb = NULL;
2345 ha->ms_iocb_dma = 0;
e315cd28
AC		 2346fail_dma_pool:
2347 dma_pool_destroy(ha->s_dma_pool);
2348 ha->s_dma_pool = NULL;
e8711085
AV		 2349fail_free_nvram:
2350 kfree(ha->nvram);
2351 ha->nvram = NULL;
2352fail_free_srb_mempool:
2353 mempool_destroy(ha->srb_mempool);
2354 ha->srb_mempool = NULL;
e8711085
AV		 2355fail_free_gid_list:
2356 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
e315cd28 2357 ha->gid_list_dma);
e8711085
AV		 2358 ha->gid_list = NULL;
2359 ha->gid_list_dma = 0;
e315cd28
AC		 2360fail_free_init_cb:
2361 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
2362 ha->init_cb_dma);
2363 ha->init_cb = NULL;
2364 ha->init_cb_dma = 0;
e8711085 2365fail:
e315cd28 2366 DEBUG(printk("%s: Memory allocation failure\n", __func__));
e8711085 2367 return -ENOMEM;
1da177e4
LT		 2368}
2369
2370/*
2371* qla2x00_mem_free
2372* Frees all adapter allocated memory.
2373*
2374* Input:
2375* ha = adapter block pointer.
2376*/
a824ebb3 2377static void
e315cd28 2378qla2x00_mem_free(struct qla_hw_data *ha)
1da177e4 2379{
e8711085
AV		 2380 if (ha->srb_mempool)
2381 mempool_destroy(ha->srb_mempool);
1da177e4 2382
df613b96
AV		 2383 if (ha->fce)
2384 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
e315cd28 2385 ha->fce_dma);
df613b96 2386
a7a167bf
AV		 2387 if (ha->fw_dump) {
2388 if (ha->eft)
2389 dma_free_coherent(&ha->pdev->dev,
e315cd28 2390 ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
a7a167bf
AV		 2391 vfree(ha->fw_dump);
2392 }
2393
1da177e4
LT		 2394 if (ha->sns_cmd)
2395 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
e315cd28 2396 ha->sns_cmd, ha->sns_cmd_dma);
1da177e4
LT		 2397
2398 if (ha->ct_sns)
2399 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
e315cd28 2400 ha->ct_sns, ha->ct_sns_dma);
1da177e4 2401
88729e53
AV		 2402 if (ha->sfp_data)
2403 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2404
1da177e4
LT		 2405 if (ha->ms_iocb)
2406 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2407
1da177e4
LT		 2408 if (ha->s_dma_pool)
2409 dma_pool_destroy(ha->s_dma_pool);
2410
2c3dfe3f 2411
1da177e4
LT		 2412 if (ha->gid_list)
2413 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
e315cd28 2414 ha->gid_list_dma);
1da177e4 2415
1da177e4 2416
e315cd28
AC		 2417 if (ha->init_cb)
2418 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2419 ha->init_cb, ha->init_cb_dma);
2420 vfree(ha->optrom_buffer);
2421 kfree(ha->nvram);
73208dfd 2422 kfree(ha->npiv_info);
1da177e4 2423
e8711085 2424 ha->srb_mempool = NULL;
a7a167bf
AV		 2425 ha->eft = NULL;
2426 ha->eft_dma = 0;
1da177e4
LT		 2427 ha->sns_cmd = NULL;
2428 ha->sns_cmd_dma = 0;
2429 ha->ct_sns = NULL;
2430 ha->ct_sns_dma = 0;
2431 ha->ms_iocb = NULL;
2432 ha->ms_iocb_dma = 0;
1da177e4
LT		 2433 ha->init_cb = NULL;
2434 ha->init_cb_dma = 0;
2435
2436 ha->s_dma_pool = NULL;
2437
1da177e4
LT		 2438 ha->gid_list = NULL;
2439 ha->gid_list_dma = 0;
2440
e315cd28
AC		 2441 ha->fw_dump = NULL;
2442 ha->fw_dumped = 0;
2443 ha->fw_dump_reading = 0;
e315cd28 2444}
1da177e4 2445
e315cd28
AC		 2446struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
2447 struct qla_hw_data *ha)
2448{
2449 struct Scsi_Host *host;
2450 struct scsi_qla_host *vha = NULL;
854165f4 2451
e315cd28
AC		 2452 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
2453 if (host == NULL) {
2454 printk(KERN_WARNING
2455 "qla2xxx: Couldn't allocate host from scsi layer!\n");
2456 goto fail;
2457 }
2458
2459 /* Clear our data area */
2460 vha = shost_priv(host);
2461 memset(vha, 0, sizeof(scsi_qla_host_t));
2462
2463 vha->host = host;
2464 vha->host_no = host->host_no;
2465 vha->hw = ha;
2466
2467 INIT_LIST_HEAD(&vha->vp_fcports);
2468 INIT_LIST_HEAD(&vha->work_list);
2469 INIT_LIST_HEAD(&vha->list);
2470
2471 sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
2472 return vha;
2473
2474fail:
2475 return vha;
1da177e4
LT		 2476}
2477
01ef66bb 2478static struct qla_work_evt *
e315cd28 2479qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type,
0971de7f
AV		 2480 int locked)
2481{
2482 struct qla_work_evt *e;
2483
2484 e = kzalloc(sizeof(struct qla_work_evt), locked ? GFP_ATOMIC:
2485 GFP_KERNEL);
2486 if (!e)
2487 return NULL;
2488
2489 INIT_LIST_HEAD(&e->list);
2490 e->type = type;
2491 e->flags = QLA_EVT_FLAG_FREE;
2492 return e;
2493}
2494
01ef66bb 2495static int
e315cd28 2496qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e, int locked)
0971de7f 2497{
bf6583b5 2498 unsigned long uninitialized_var(flags);
e315cd28 2499 struct qla_hw_data *ha = vha->hw;
0971de7f
AV		 2500
2501 if (!locked)
e315cd28
AC		 2502 spin_lock_irqsave(&ha->hardware_lock, flags);
2503 list_add_tail(&e->list, &vha->work_list);
2504 qla2xxx_wake_dpc(vha);
0971de7f 2505 if (!locked)
e315cd28 2506 spin_unlock_irqrestore(&ha->hardware_lock, flags);
0971de7f
AV		 2507 return QLA_SUCCESS;
2508}
2509
2510int
e315cd28 2511qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
0971de7f
AV		 2512 u32 data)
2513{
2514 struct qla_work_evt *e;
2515
e315cd28 2516 e = qla2x00_alloc_work(vha, QLA_EVT_AEN, 1);
0971de7f
AV		 2517 if (!e)
2518 return QLA_FUNCTION_FAILED;
2519
2520 e->u.aen.code = code;
2521 e->u.aen.data = data;
e315cd28 2522 return qla2x00_post_work(vha, e, 1);
0971de7f
AV		 2523}
2524
8a659571
AV		 2525int
2526qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
2527{
2528 struct qla_work_evt *e;
2529
2530 e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK, 1);
2531 if (!e)
2532 return QLA_FUNCTION_FAILED;
2533
2534 memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
2535 return qla2x00_post_work(vha, e, 1);
2536}
2537
0971de7f 2538static void
e315cd28 2539qla2x00_do_work(struct scsi_qla_host *vha)
0971de7f
AV		 2540{
2541 struct qla_work_evt *e;
e315cd28 2542 struct qla_hw_data *ha = vha->hw;
0971de7f 2543
e315cd28
AC		 2544 spin_lock_irq(&ha->hardware_lock);
2545 while (!list_empty(&vha->work_list)) {
2546 e = list_entry(vha->work_list.next, struct qla_work_evt, list);
0971de7f 2547 list_del_init(&e->list);
e315cd28 2548 spin_unlock_irq(&ha->hardware_lock);
0971de7f
AV		 2549
2550 switch (e->type) {
2551 case QLA_EVT_AEN:
e315cd28 2552 fc_host_post_event(vha->host, fc_get_event_number(),
0971de7f
AV		 2553 e->u.aen.code, e->u.aen.data);
2554 break;
8a659571
AV		 2555 case QLA_EVT_IDC_ACK:
2556 qla81xx_idc_ack(vha, e->u.idc_ack.mb);
2557 break;
0971de7f
AV		 2558 }
2559 if (e->flags & QLA_EVT_FLAG_FREE)
2560 kfree(e);
e315cd28
AC		 2561 spin_lock_irq(&ha->hardware_lock);
2562 }
2563 spin_unlock_irq(&ha->hardware_lock);
2564}
2565/* Relogins all the fcports of a vport
2566 * Context: dpc thread
2567 */
2568void qla2x00_relogin(struct scsi_qla_host *vha)
2569{
2570 fc_port_t *fcport;
2571 uint8_t status;
2572 uint16_t next_loopid = 0;
2573 struct qla_hw_data *ha = vha->hw;
2574
2575 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2576 /*
2577 * If the port is not ONLINE then try to login
2578 * to it if we haven't run out of retries.
2579 */
2580 if (atomic_read(&fcport->state) !=
2581 FCS_ONLINE && fcport->login_retry) {
2582
2583 if (fcport->flags & FCF_FABRIC_DEVICE) {
2584 if (fcport->flags & FCF_TAPE_PRESENT)
2585 ha->isp_ops->fabric_logout(vha,
2586 fcport->loop_id,
2587 fcport->d_id.b.domain,
2588 fcport->d_id.b.area,
2589 fcport->d_id.b.al_pa);
2590
2591 status = qla2x00_fabric_login(vha, fcport,
2592 &next_loopid);
2593 } else
2594 status = qla2x00_local_device_login(vha,
2595 fcport);
2596
2597 fcport->login_retry--;
2598 if (status == QLA_SUCCESS) {
2599 fcport->old_loop_id = fcport->loop_id;
2600
2601 DEBUG(printk("scsi(%ld): port login OK: logged "
2602 "in ID 0x%x\n", vha->host_no, fcport->loop_id));
2603
2604 qla2x00_update_fcport(vha, fcport);
2605
2606 } else if (status == 1) {
2607 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2608 /* retry the login again */
2609 DEBUG(printk("scsi(%ld): Retrying"
2610 " %d login again loop_id 0x%x\n",
2611 vha->host_no, fcport->login_retry,
2612 fcport->loop_id));
2613 } else {
2614 fcport->login_retry = 0;
2615 }
2616
2617 if (fcport->login_retry == 0 && status != QLA_SUCCESS)
2618 fcport->loop_id = FC_NO_LOOP_ID;
2619 }
2620 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2621 break;
0971de7f 2622 }
0971de7f
AV		 2623}
2624
1da177e4
LT		 2625/**************************************************************************
2626* qla2x00_do_dpc
2627* This kernel thread is a task that is schedule by the interrupt handler
2628* to perform the background processing for interrupts.
2629*
2630* Notes:
2631* This task always run in the context of a kernel thread. It
2632* is kick-off by the driver's detect code and starts up
2633* up one per adapter. It immediately goes to sleep and waits for
2634* some fibre event. When either the interrupt handler or
2635* the timer routine detects a event it will one of the task
2636* bits then wake us up.
2637**************************************************************************/
2638static int
2639qla2x00_do_dpc(void *data)
2640{
2c3dfe3f 2641 int rval;
e315cd28
AC		 2642 scsi_qla_host_t *base_vha;
2643 struct qla_hw_data *ha;
1da177e4 2644
e315cd28
AC		 2645 ha = (struct qla_hw_data *)data;
2646 base_vha = pci_get_drvdata(ha->pdev);
1da177e4 2647
1da177e4
LT		 2648 set_user_nice(current, -20);
2649
39a11240 2650 while (!kthread_should_stop()) {
1da177e4
LT		 2651 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2652
39a11240
CH		 2653 set_current_state(TASK_INTERRUPTIBLE);
2654 schedule();
2655 __set_current_state(TASK_RUNNING);
1da177e4
LT		 2656
2657 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2658
2659 /* Initialization not yet finished. Don't do anything yet. */
e315cd28 2660 if (!base_vha->flags.init_done)
1da177e4
LT		 2661 continue;
2662
e315cd28 2663 DEBUG3(printk("scsi(%ld): DPC handler\n", base_vha->host_no));
1da177e4
LT		 2664
2665 ha->dpc_active = 1;
2666
1da177e4 2667 if (ha->flags.mbox_busy) {
1da177e4
LT		 2668 ha->dpc_active = 0;
2669 continue;
2670 }
2671
e315cd28 2672 qla2x00_do_work(base_vha);
0971de7f 2673
e315cd28
AC		 2674 if (test_and_clear_bit(ISP_ABORT_NEEDED,
2675 &base_vha->dpc_flags)) {
1da177e4
LT		 2676
2677 DEBUG(printk("scsi(%ld): dpc: sched "
2678 "qla2x00_abort_isp ha = %p\n",
e315cd28 2679 base_vha->host_no, ha));
1da177e4 2680 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
e315cd28 2681 &base_vha->dpc_flags))) {
1da177e4 2682
e315cd28 2683 if (qla2x00_abort_isp(base_vha)) {
1da177e4
LT		 2684 /* failed. retry later */
2685 set_bit(ISP_ABORT_NEEDED,
e315cd28 2686 &base_vha->dpc_flags);
99363ef8 2687 }
e315cd28
AC		 2688 clear_bit(ABORT_ISP_ACTIVE,
2689 &base_vha->dpc_flags);
99363ef8
SJ		 2690 }
2691
1da177e4 2692 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
e315cd28 2693 base_vha->host_no));
1da177e4
LT		 2694 }
2695
e315cd28
AC		 2696 if (test_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags)) {
2697 qla2x00_update_fcports(base_vha);
2698 clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
c9c5ced9 2699 }
d97994dc 2700
e315cd28
AC		 2701 if (test_and_clear_bit(RESET_MARKER_NEEDED,
2702 &base_vha->dpc_flags) &&
2703 (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
1da177e4
LT		 2704
2705 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
e315cd28 2706 base_vha->host_no));
1da177e4 2707
e315cd28
AC		 2708 qla2x00_rst_aen(base_vha);
2709 clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
1da177e4
LT		 2710 }
2711
2712 /* Retry each device up to login retry count */
e315cd28
AC		 2713 if ((test_and_clear_bit(RELOGIN_NEEDED,
2714 &base_vha->dpc_flags)) &&
2715 !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
2716 atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
1da177e4
LT		 2717
2718 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
e315cd28
AC		 2719 base_vha->host_no));
2720 qla2x00_relogin(base_vha);
2721
1da177e4 2722 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
e315cd28 2723 base_vha->host_no));
1da177e4
LT		 2724 }
2725
e315cd28
AC		 2726 if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
2727 &base_vha->dpc_flags)) {
1da177e4
LT		 2728
2729 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
e315cd28 2730 base_vha->host_no));
1da177e4
LT		 2731
2732 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
e315cd28 2733 &base_vha->dpc_flags))) {
1da177e4 2734
e315cd28 2735 rval = qla2x00_loop_resync(base_vha);
1da177e4 2736
e315cd28
AC		 2737 clear_bit(LOOP_RESYNC_ACTIVE,
2738 &base_vha->dpc_flags);
1da177e4
LT		 2739 }
2740
2741 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
e315cd28 2742 base_vha->host_no));
1da177e4
LT		 2743 }
2744
e315cd28
AC		 2745 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
2746 atomic_read(&base_vha->loop_state) == LOOP_READY) {
2747 clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
2748 qla2xxx_flash_npiv_conf(base_vha);
272976ca
AV		 2749 }
2750
1da177e4 2751 if (!ha->interrupts_on)
fd34f556 2752 ha->isp_ops->enable_intrs(ha);
1da177e4 2753
e315cd28
AC		 2754 if (test_and_clear_bit(BEACON_BLINK_NEEDED,
2755 &base_vha->dpc_flags))
2756 ha->isp_ops->beacon_blink(base_vha);
f6df144c 2757
e315cd28 2758 qla2x00_do_dpc_all_vps(base_vha);
2c3dfe3f 2759
1da177e4
LT		 2760 ha->dpc_active = 0;
2761 } /* End of while(1) */
2762
e315cd28 2763 DEBUG(printk("scsi(%ld): DPC handler exiting\n", base_vha->host_no));
1da177e4
LT		 2764
2765 /*
2766 * Make sure that nobody tries to wake us up again.
2767 */
1da177e4
LT		 2768 ha->dpc_active = 0;
2769
39a11240
CH		 2770 return 0;
2771}
2772
2773void
e315cd28 2774qla2xxx_wake_dpc(struct scsi_qla_host *vha)
39a11240 2775{
e315cd28 2776 struct qla_hw_data *ha = vha->hw;
c795c1e4
AV		 2777 struct task_struct *t = ha->dpc_thread;
2778
e315cd28 2779 if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
c795c1e4 2780 wake_up_process(t);
1da177e4
LT		 2781}
2782
1da177e4
LT		 2783/*
2784* qla2x00_rst_aen
2785* Processes asynchronous reset.
2786*
2787* Input:
2788* ha = adapter block pointer.
2789*/
2790static void
e315cd28 2791qla2x00_rst_aen(scsi_qla_host_t *vha)
1da177e4 2792{
e315cd28
AC		 2793 if (vha->flags.online && !vha->flags.reset_active &&
2794 !atomic_read(&vha->loop_down_timer) &&
2795 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
1da177e4 2796 do {
e315cd28 2797 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
1da177e4
LT		 2798
2799 /*
2800 * Issue marker command only when we are going to start
2801 * the I/O.
2802 */
e315cd28
AC		 2803 vha->marker_needed = 1;
2804 } while (!atomic_read(&vha->loop_down_timer) &&
2805 (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
1da177e4
LT		 2806 }
2807}
2808
f4f051eb 2809static void
e315cd28 2810qla2x00_sp_free_dma(srb_t *sp)
f4f051eb
AV		 2811{
2812 struct scsi_cmnd *cmd = sp->cmd;
2813
2814 if (sp->flags & SRB_DMA_VALID) {
385d70b4 2815 scsi_dma_unmap(cmd);
f4f051eb
AV		 2816 sp->flags &= ~SRB_DMA_VALID;
2817 }
fca29703 2818 CMD_SP(cmd) = NULL;
f4f051eb
AV		 2819}
2820
2821void
73208dfd 2822qla2x00_sp_compl(struct qla_hw_data *ha, srb_t *sp)
f4f051eb
AV		 2823{
2824 struct scsi_cmnd *cmd = sp->cmd;
2825
e315cd28 2826 qla2x00_sp_free_dma(sp);
f4f051eb 2827
f4f051eb
AV		 2828 mempool_free(sp, ha->srb_mempool);
2829
2830 cmd->scsi_done(cmd);
2831}
bdf79621 2832
1da177e4
LT		 2833/**************************************************************************
2834* qla2x00_timer
2835*
2836* Description:
2837* One second timer
2838*
2839* Context: Interrupt
2840***************************************************************************/
2c3dfe3f 2841void
e315cd28 2842qla2x00_timer(scsi_qla_host_t *vha)
1da177e4 2843{
1da177e4
LT		 2844 unsigned long cpu_flags = 0;
2845 fc_port_t *fcport;
1da177e4
LT		 2846 int start_dpc = 0;
2847 int index;
2848 srb_t *sp;
f4f051eb 2849 int t;
e315cd28 2850 struct qla_hw_data *ha = vha->hw;
73208dfd 2851 struct req_que *req;
1da177e4
LT		 2852 /*
2853 * Ports - Port down timer.
2854 *
2855 * Whenever, a port is in the LOST state we start decrementing its port
2856 * down timer every second until it reaches zero. Once it reaches zero
fa2a1ce5 2857 * the port it marked DEAD.
1da177e4
LT		 2858 */
2859 t = 0;
e315cd28 2860 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1da177e4
LT		 2861 if (fcport->port_type != FCT_TARGET)
2862 continue;
2863
2864 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2865
2866 if (atomic_read(&fcport->port_down_timer) == 0)
2867 continue;
2868
fa2a1ce5 2869 if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
1da177e4 2870 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
fa2a1ce5 2871
1da177e4 2872 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
fca29703 2873 "%d remaining\n",
e315cd28 2874 vha->host_no,
1da177e4
LT		 2875 t, atomic_read(&fcport->port_down_timer)));
2876 }
2877 t++;
2878 } /* End of for fcport */
2879
1da177e4
LT		 2880
2881 /* Loop down handler. */
e315cd28
AC		 2882 if (atomic_read(&vha->loop_down_timer) > 0 &&
2883 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
2884 && vha->flags.online) {
1da177e4 2885
e315cd28
AC		 2886 if (atomic_read(&vha->loop_down_timer) ==
2887 vha->loop_down_abort_time) {
1da177e4
LT		 2888
2889 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2890 "queues before time expire\n",
e315cd28 2891 vha->host_no));
1da177e4 2892
e315cd28
AC		 2893 if (!IS_QLA2100(ha) && vha->link_down_timeout)
2894 atomic_set(&vha->loop_state, LOOP_DEAD);
1da177e4
LT		 2895
2896 /* Schedule an ISP abort to return any tape commands. */
2c3dfe3f 2897 /* NPIV - scan physical port only */
e315cd28 2898 if (!vha->vp_idx) {
2c3dfe3f
SJ		 2899 spin_lock_irqsave(&ha->hardware_lock,
2900 cpu_flags);
73208dfd 2901 req = ha->req_q_map[0];
2c3dfe3f
SJ		 2902 for (index = 1;
2903 index < MAX_OUTSTANDING_COMMANDS;
2904 index++) {
2905 fc_port_t *sfcp;
2906
e315cd28 2907 sp = req->outstanding_cmds[index];
2c3dfe3f
SJ		 2908 if (!sp)
2909 continue;
2910 sfcp = sp->fcport;
2911 if (!(sfcp->flags & FCF_TAPE_PRESENT))
2912 continue;
bdf79621 2913
2c3dfe3f 2914 set_bit(ISP_ABORT_NEEDED,
e315cd28 2915 &vha->dpc_flags);
2c3dfe3f
SJ		 2916 break;
2917 }
2918 spin_unlock_irqrestore(&ha->hardware_lock,
e315cd28 2919 cpu_flags);
1da177e4 2920 }
e315cd28 2921 set_bit(ABORT_QUEUES_NEEDED, &vha->dpc_flags);
1da177e4
LT		 2922 start_dpc++;
2923 }
2924
2925 /* if the loop has been down for 4 minutes, reinit adapter */
e315cd28 2926 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
1da177e4
LT		 2927 DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - "
2928 "restarting queues.\n",
e315cd28 2929 vha->host_no));
1da177e4 2930
e315cd28 2931 set_bit(RESTART_QUEUES_NEEDED, &vha->dpc_flags);
1da177e4
LT		 2932 start_dpc++;
2933
e315cd28
AC		 2934 if (!(vha->device_flags & DFLG_NO_CABLE) &&
2935 !vha->vp_idx) {
1da177e4
LT		 2936 DEBUG(printk("scsi(%ld): Loop down - "
2937 "aborting ISP.\n",
e315cd28 2938 vha->host_no));
1da177e4
LT		 2939 qla_printk(KERN_WARNING, ha,
2940 "Loop down - aborting ISP.\n");
2941
e315cd28 2942 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 2943 }
2944 }
fca29703 2945 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
e315cd28
AC		 2946 vha->host_no,
2947 atomic_read(&vha->loop_down_timer)));
1da177e4
LT		 2948 }
2949
f6df144c
AV		 2950 /* Check if beacon LED needs to be blinked */
2951 if (ha->beacon_blink_led == 1) {
e315cd28 2952 set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
f6df144c
AV		 2953 start_dpc++;
2954 }
2955
550bf57d 2956 /* Process any deferred work. */
e315cd28 2957 if (!list_empty(&vha->work_list))
550bf57d
AV		 2958 start_dpc++;
2959
1da177e4 2960 /* Schedule the DPC routine if needed */
e315cd28
AC		 2961 if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
2962 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
2963 test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
1da177e4 2964 start_dpc ||
e315cd28
AC		 2965 test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
2966 test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
2967 test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
2968 test_bit(RELOGIN_NEEDED, &vha->dpc_flags)))
2969 qla2xxx_wake_dpc(vha);
1da177e4 2970
e315cd28 2971 qla2x00_restart_timer(vha, WATCH_INTERVAL);
1da177e4
LT		 2972}
2973
5433383e
AV		 2974/* Firmware interface routines. */
2975
3a03eb79 2976#define FW_BLOBS 7
5433383e
AV		 2977#define FW_ISP21XX 0
2978#define FW_ISP22XX 1
2979#define FW_ISP2300 2
2980#define FW_ISP2322 3
48c02fde 2981#define FW_ISP24XX 4
c3a2f0df 2982#define FW_ISP25XX 5
3a03eb79 2983#define FW_ISP81XX 6
5433383e 2984
bb8ee499
AV		 2985#define FW_FILE_ISP21XX "ql2100_fw.bin"
2986#define FW_FILE_ISP22XX "ql2200_fw.bin"
2987#define FW_FILE_ISP2300 "ql2300_fw.bin"
2988#define FW_FILE_ISP2322 "ql2322_fw.bin"
2989#define FW_FILE_ISP24XX "ql2400_fw.bin"
c3a2f0df 2990#define FW_FILE_ISP25XX "ql2500_fw.bin"
3a03eb79 2991#define FW_FILE_ISP81XX "ql8100_fw.bin"
bb8ee499 2992
e1e82b6f 2993static DEFINE_MUTEX(qla_fw_lock);
5433383e
AV		 2994
2995static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
bb8ee499
AV		 2996 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
2997 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
2998 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
2999 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
3000 { .name = FW_FILE_ISP24XX, },
c3a2f0df 3001 { .name = FW_FILE_ISP25XX, },
3a03eb79 3002 { .name = FW_FILE_ISP81XX, },
5433383e
AV		 3003};
3004
3005struct fw_blob *
e315cd28 3006qla2x00_request_firmware(scsi_qla_host_t *vha)
5433383e 3007{
e315cd28 3008 struct qla_hw_data *ha = vha->hw;
5433383e
AV		 3009 struct fw_blob *blob;
3010
3011 blob = NULL;
3012 if (IS_QLA2100(ha)) {
3013 blob = &qla_fw_blobs[FW_ISP21XX];
3014 } else if (IS_QLA2200(ha)) {
3015 blob = &qla_fw_blobs[FW_ISP22XX];
48c02fde 3016 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
5433383e 3017 blob = &qla_fw_blobs[FW_ISP2300];
48c02fde 3018 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
5433383e 3019 blob = &qla_fw_blobs[FW_ISP2322];
4d4df193 3020 } else if (IS_QLA24XX_TYPE(ha)) {
5433383e 3021 blob = &qla_fw_blobs[FW_ISP24XX];
c3a2f0df
AV		 3022 } else if (IS_QLA25XX(ha)) {
3023 blob = &qla_fw_blobs[FW_ISP25XX];
3a03eb79
AV		 3024 } else if (IS_QLA81XX(ha)) {
3025 blob = &qla_fw_blobs[FW_ISP81XX];
5433383e
AV		 3026 }
3027
e1e82b6f 3028 mutex_lock(&qla_fw_lock);
5433383e
AV		 3029 if (blob->fw)
3030 goto out;
3031
3032 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
3033 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
e315cd28 3034 "(%s).\n", vha->host_no, blob->name));
5433383e
AV		 3035 blob->fw = NULL;
3036 blob = NULL;
3037 goto out;
3038 }
3039
3040out:
e1e82b6f 3041 mutex_unlock(&qla_fw_lock);
5433383e
AV		 3042 return blob;
3043}
3044
3045static void
3046qla2x00_release_firmware(void)
3047{
3048 int idx;
3049
e1e82b6f 3050 mutex_lock(&qla_fw_lock);
5433383e
AV		 3051 for (idx = 0; idx < FW_BLOBS; idx++)
3052 if (qla_fw_blobs[idx].fw)
3053 release_firmware(qla_fw_blobs[idx].fw);
e1e82b6f 3054 mutex_unlock(&qla_fw_lock);
5433383e
AV		 3055}
3056
14e660e6
SJ		 3057static pci_ers_result_t
3058qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
3059{
3060 switch (state) {
3061 case pci_channel_io_normal:
3062 return PCI_ERS_RESULT_CAN_RECOVER;
3063 case pci_channel_io_frozen:
3064 pci_disable_device(pdev);
3065 return PCI_ERS_RESULT_NEED_RESET;
3066 case pci_channel_io_perm_failure:
3067 qla2x00_remove_one(pdev);
3068 return PCI_ERS_RESULT_DISCONNECT;
3069 }
3070 return PCI_ERS_RESULT_NEED_RESET;
3071}
3072
3073static pci_ers_result_t
3074qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
3075{
3076 int risc_paused = 0;
3077 uint32_t stat;
3078 unsigned long flags;
e315cd28
AC		 3079 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3080 struct qla_hw_data *ha = base_vha->hw;
14e660e6
SJ		 3081 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3082 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
3083
3084 spin_lock_irqsave(&ha->hardware_lock, flags);
3085 if (IS_QLA2100(ha) || IS_QLA2200(ha)){
3086 stat = RD_REG_DWORD(&reg->hccr);
3087 if (stat & HCCR_RISC_PAUSE)
3088 risc_paused = 1;
3089 } else if (IS_QLA23XX(ha)) {
3090 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
3091 if (stat & HSR_RISC_PAUSED)
3092 risc_paused = 1;
3093 } else if (IS_FWI2_CAPABLE(ha)) {
3094 stat = RD_REG_DWORD(&reg24->host_status);
3095 if (stat & HSRX_RISC_PAUSED)
3096 risc_paused = 1;
3097 }
3098 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3099
3100 if (risc_paused) {
3101 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
3102 "Dumping firmware!\n");
e315cd28 3103 ha->isp_ops->fw_dump(base_vha, 0);
14e660e6
SJ		 3104
3105 return PCI_ERS_RESULT_NEED_RESET;
3106 } else
3107 return PCI_ERS_RESULT_RECOVERED;
3108}
3109
3110static pci_ers_result_t
3111qla2xxx_pci_slot_reset(struct pci_dev *pdev)
3112{
3113 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
e315cd28
AC		 3114 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3115 struct qla_hw_data *ha = base_vha->hw;
09483916
BH		 3116 int rc;
3117
3118 if (ha->mem_only)
3119 rc = pci_enable_device_mem(pdev);
3120 else
3121 rc = pci_enable_device(pdev);
14e660e6 3122
09483916 3123 if (rc) {
14e660e6
SJ		 3124 qla_printk(KERN_WARNING, ha,
3125 "Can't re-enable PCI device after reset.\n");
3126
3127 return ret;
3128 }
3129 pci_set_master(pdev);
3130
e315cd28 3131 if (ha->isp_ops->pci_config(base_vha))
14e660e6
SJ		 3132 return ret;
3133
e315cd28
AC		 3134 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3135 if (qla2x00_abort_isp(base_vha) == QLA_SUCCESS)
14e660e6 3136 ret = PCI_ERS_RESULT_RECOVERED;
e315cd28 3137 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
14e660e6
SJ		 3138
3139 return ret;
3140}
3141
3142static void
3143qla2xxx_pci_resume(struct pci_dev *pdev)
3144{
e315cd28
AC		 3145 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3146 struct qla_hw_data *ha = base_vha->hw;
14e660e6
SJ		 3147 int ret;
3148
e315cd28 3149 ret = qla2x00_wait_for_hba_online(base_vha);
14e660e6
SJ		 3150 if (ret != QLA_SUCCESS) {
3151 qla_printk(KERN_ERR, ha,
3152 "the device failed to resume I/O "
3153 "from slot/link_reset");
3154 }
3155 pci_cleanup_aer_uncorrect_error_status(pdev);
3156}
3157
3158static struct pci_error_handlers qla2xxx_err_handler = {
3159 .error_detected = qla2xxx_pci_error_detected,
3160 .mmio_enabled = qla2xxx_pci_mmio_enabled,
3161 .slot_reset = qla2xxx_pci_slot_reset,
3162 .resume = qla2xxx_pci_resume,
3163};
3164
5433383e 3165static struct pci_device_id qla2xxx_pci_tbl[] = {
47f5e069
AV		 3166 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
3167 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
3168 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
3169 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
3170 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
3171 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
3172 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
3173 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
3174 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
4d4df193 3175 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
47f5e069
AV		 3176 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
3177 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
c3a2f0df 3178 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
3a03eb79 3179 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
5433383e
AV		 3180 { 0 },
3181};
3182MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
3183
fca29703 3184static struct pci_driver qla2xxx_pci_driver = {
cb63067a 3185 .name = QLA2XXX_DRIVER_NAME,
0a21ef1e
JB		 3186 .driver = {
3187 .owner = THIS_MODULE,
3188 },
fca29703 3189 .id_table = qla2xxx_pci_tbl,
7ee61397 3190 .probe = qla2x00_probe_one,
4c993f76 3191 .remove = qla2x00_remove_one,
14e660e6 3192 .err_handler = &qla2xxx_err_handler,
fca29703
AV		 3193};
3194
1da177e4
LT		 3195/**
3196 * qla2x00_module_init - Module initialization.
3197 **/
3198static int __init
3199qla2x00_module_init(void)
3200{
fca29703
AV		 3201 int ret = 0;
3202
1da177e4 3203 /* Allocate cache for SRBs. */
354d6b21 3204 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
20c2df83 3205 SLAB_HWCACHE_ALIGN, NULL);
1da177e4
LT		 3206 if (srb_cachep == NULL) {
3207 printk(KERN_ERR
3208 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
3209 return -ENOMEM;
3210 }
3211
3212 /* Derive version string. */
3213 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
11010fec 3214 if (ql2xextended_error_logging)
0181944f
AV		 3215 strcat(qla2x00_version_str, "-debug");
3216
1c97a12a
AV		 3217 qla2xxx_transport_template =
3218 fc_attach_transport(&qla2xxx_transport_functions);
2c3dfe3f
SJ		 3219 if (!qla2xxx_transport_template) {
3220 kmem_cache_destroy(srb_cachep);
1da177e4 3221 return -ENODEV;
2c3dfe3f
SJ		 3222 }
3223 qla2xxx_transport_vport_template =
3224 fc_attach_transport(&qla2xxx_transport_vport_functions);
3225 if (!qla2xxx_transport_vport_template) {
3226 kmem_cache_destroy(srb_cachep);
3227 fc_release_transport(qla2xxx_transport_template);
1da177e4 3228 return -ENODEV;
2c3dfe3f 3229 }
1da177e4 3230
fd9a29f0
AV		 3231 printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n",
3232 qla2x00_version_str);
7ee61397 3233 ret = pci_register_driver(&qla2xxx_pci_driver);
fca29703
AV		 3234 if (ret) {
3235 kmem_cache_destroy(srb_cachep);
3236 fc_release_transport(qla2xxx_transport_template);
2c3dfe3f 3237 fc_release_transport(qla2xxx_transport_vport_template);
fca29703
AV		 3238 }
3239 return ret;
1da177e4
LT		 3240}
3241
3242/**
3243 * qla2x00_module_exit - Module cleanup.
3244 **/
3245static void __exit
3246qla2x00_module_exit(void)
3247{
7ee61397 3248 pci_unregister_driver(&qla2xxx_pci_driver);
5433383e 3249 qla2x00_release_firmware();
354d6b21 3250 kmem_cache_destroy(srb_cachep);
1da177e4 3251 fc_release_transport(qla2xxx_transport_template);
2c3dfe3f 3252 fc_release_transport(qla2xxx_transport_vport_template);
1da177e4
LT		 3253}
3254
3255module_init(qla2x00_module_init);
3256module_exit(qla2x00_module_exit);
3257
3258MODULE_AUTHOR("QLogic Corporation");
3259MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
3260MODULE_LICENSE("GPL");
3261MODULE_VERSION(QLA2XXX_VERSION);
bb8ee499
AV		 3262MODULE_FIRMWARE(FW_FILE_ISP21XX);
3263MODULE_FIRMWARE(FW_FILE_ISP22XX);
3264MODULE_FIRMWARE(FW_FILE_ISP2300);
3265MODULE_FIRMWARE(FW_FILE_ISP2322);
3266MODULE_FIRMWARE(FW_FILE_ISP24XX);
61623fc3 3267MODULE_FIRMWARE(FW_FILE_ISP25XX);
3a03eb79 3268MODULE_FIRMWARE(FW_FILE_ISP81XX);
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