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include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit...
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / scsi / qla2xxx / qla_os.c
CommitLineData
1da177e4 1/*
fa90c54f 2 * QLogic Fibre Channel HBA Driver
01e58d8e 3 * Copyright (c) 2003-2008 QLogic Corporation
1da177e4 4 *
fa90c54f 5 * See LICENSE.qla2xxx for copyright and licensing details.
1da177e4
LT		 6 */
7#include "qla_def.h"
8
9#include <linux/moduleparam.h>
10#include <linux/vmalloc.h>
1da177e4 11#include <linux/delay.h>
39a11240 12#include <linux/kthread.h>
e1e82b6f 13#include <linux/mutex.h>
3420d36c 14#include <linux/kobject.h>
5a0e3ad6 15#include <linux/slab.h>
1da177e4
LT		 16
17#include <scsi/scsi_tcq.h>
18#include <scsi/scsicam.h>
19#include <scsi/scsi_transport.h>
20#include <scsi/scsi_transport_fc.h>
21
22/*
23 * Driver version
24 */
25char qla2x00_version_str[40];
26
27/*
28 * SRB allocation cache
29 */
e18b890b 30static struct kmem_cache *srb_cachep;
1da177e4 31
1da177e4
LT		 32int ql2xlogintimeout = 20;
33module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR);
34MODULE_PARM_DESC(ql2xlogintimeout,
35 "Login timeout value in seconds.");
36
a7b61842 37int qlport_down_retry;
1da177e4
LT		 38module_param(qlport_down_retry, int, S_IRUGO|S_IRUSR);
39MODULE_PARM_DESC(qlport_down_retry,
900d9f98 40 "Maximum number of command retries to a port that returns "
1da177e4
LT		 41 "a PORT-DOWN status.");
42
1da177e4
LT		 43int ql2xplogiabsentdevice;
44module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
45MODULE_PARM_DESC(ql2xplogiabsentdevice,
46 "Option to enable PLOGI to devices that are not present after "
900d9f98 47 "a Fabric scan. This is needed for several broken switches. "
1da177e4
LT		 48 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
49
1da177e4
LT		 50int ql2xloginretrycount = 0;
51module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR);
52MODULE_PARM_DESC(ql2xloginretrycount,
53 "Specify an alternate value for the NVRAM login retry count.");
54
a7a167bf
AV		 55int ql2xallocfwdump = 1;
56module_param(ql2xallocfwdump, int, S_IRUGO|S_IRUSR);
57MODULE_PARM_DESC(ql2xallocfwdump,
58 "Option to enable allocation of memory for a firmware dump "
59 "during HBA initialization. Memory allocation requirements "
60 "vary by ISP type. Default is 1 - allocate memory.");
61
11010fec 62int ql2xextended_error_logging;
27d94035 63module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
11010fec 64MODULE_PARM_DESC(ql2xextended_error_logging,
0181944f
AV		 65 "Option to enable extended error logging, "
66 "Default is 0 - no logging. 1 - log errors.");
67
1da177e4
LT		 68static void qla2x00_free_device(scsi_qla_host_t *);
69
7e47e5ca 70int ql2xfdmienable=1;
cca5335c
AV		 71module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR);
72MODULE_PARM_DESC(ql2xfdmienable,
73 "Enables FDMI registratons "
74 "Default is 0 - no FDMI. 1 - perfom FDMI.");
75
df7baa50
AV		 76#define MAX_Q_DEPTH 32
77static int ql2xmaxqdepth = MAX_Q_DEPTH;
78module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
79MODULE_PARM_DESC(ql2xmaxqdepth,
80 "Maximum queue depth to report for target devices.");
81
e5896bd5
AV		 82int ql2xiidmaenable=1;
83module_param(ql2xiidmaenable, int, S_IRUGO|S_IRUSR);
84MODULE_PARM_DESC(ql2xiidmaenable,
85 "Enables iIDMA settings "
86 "Default is 1 - perform iIDMA. 0 - no iIDMA.");
87
73208dfd
AC		 88int ql2xmaxqueues = 1;
89module_param(ql2xmaxqueues, int, S_IRUGO|S_IRUSR);
90MODULE_PARM_DESC(ql2xmaxqueues,
91 "Enables MQ settings "
92 "Default is 1 for single queue. Set it to number \
93 of queues in MQ mode.");
68ca949c
AC		 94
95int ql2xmultique_tag;
96module_param(ql2xmultique_tag, int, S_IRUGO|S_IRUSR);
97MODULE_PARM_DESC(ql2xmultique_tag,
98 "Enables CPU affinity settings for the driver "
99 "Default is 0 for no affinity of request and response IO. "
100 "Set it to 1 to turn on the cpu affinity.");
e337d907
AV		 101
102int ql2xfwloadbin;
103module_param(ql2xfwloadbin, int, S_IRUGO|S_IRUSR);
104MODULE_PARM_DESC(ql2xfwloadbin,
105 "Option to specify location from which to load ISP firmware:\n"
106 " 2 -- load firmware via the request_firmware() (hotplug)\n"
107 " interface.\n"
108 " 1 -- load firmware from flash.\n"
109 " 0 -- use default semantics.\n");
110
ae97c91e
AV		 111int ql2xetsenable;
112module_param(ql2xetsenable, int, S_IRUGO|S_IRUSR);
113MODULE_PARM_DESC(ql2xetsenable,
114 "Enables firmware ETS burst."
115 "Default is 0 - skip ETS enablement.");
116
1da177e4 117/*
fa2a1ce5 118 * SCSI host template entry points
1da177e4
LT		 119 */
120static int qla2xxx_slave_configure(struct scsi_device * device);
f4f051eb 121static int qla2xxx_slave_alloc(struct scsi_device *);
1e99e33a
AV		 122static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
123static void qla2xxx_scan_start(struct Scsi_Host *);
f4f051eb 124static void qla2xxx_slave_destroy(struct scsi_device *);
a5326f86 125static int qla2xxx_queuecommand(struct scsi_cmnd *cmd,
fca29703 126 void (*fn)(struct scsi_cmnd *));
1da177e4
LT		 127static int qla2xxx_eh_abort(struct scsi_cmnd *);
128static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
523ec773 129static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
1da177e4
LT		 130static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
131static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
1da177e4 132
e881a172 133static int qla2x00_change_queue_depth(struct scsi_device *, int, int);
ce7e4af7
AV		 134static int qla2x00_change_queue_type(struct scsi_device *, int);
135
a5326f86 136struct scsi_host_template qla2xxx_driver_template = {
1da177e4 137 .module = THIS_MODULE,
cb63067a 138 .name = QLA2XXX_DRIVER_NAME,
a5326f86 139 .queuecommand = qla2xxx_queuecommand,
fca29703
AV		 140
141 .eh_abort_handler = qla2xxx_eh_abort,
142 .eh_device_reset_handler = qla2xxx_eh_device_reset,
523ec773 143 .eh_target_reset_handler = qla2xxx_eh_target_reset,
fca29703
AV		 144 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
145 .eh_host_reset_handler = qla2xxx_eh_host_reset,
146
147 .slave_configure = qla2xxx_slave_configure,
148
149 .slave_alloc = qla2xxx_slave_alloc,
150 .slave_destroy = qla2xxx_slave_destroy,
ed677086
AV		 151 .scan_finished = qla2xxx_scan_finished,
152 .scan_start = qla2xxx_scan_start,
ce7e4af7
AV		 153 .change_queue_depth = qla2x00_change_queue_depth,
154 .change_queue_type = qla2x00_change_queue_type,
fca29703
AV		 155 .this_id = -1,
156 .cmd_per_lun = 3,
157 .use_clustering = ENABLE_CLUSTERING,
158 .sg_tablesize = SG_ALL,
159
160 .max_sectors = 0xFFFF,
afb046e2 161 .shost_attrs = qla2x00_host_attrs,
fca29703
AV		 162};
163
1da177e4 164static struct scsi_transport_template *qla2xxx_transport_template = NULL;
2c3dfe3f 165struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
1da177e4 166
1da177e4
LT		 167/* TODO Convert to inlines
168 *
169 * Timer routines
170 */
1da177e4 171
2c3dfe3f 172__inline__ void
e315cd28 173qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval)
1da177e4 174{
e315cd28
AC		 175 init_timer(&vha->timer);
176 vha->timer.expires = jiffies + interval * HZ;
177 vha->timer.data = (unsigned long)vha;
178 vha->timer.function = (void (*)(unsigned long))func;
179 add_timer(&vha->timer);
180 vha->timer_active = 1;
1da177e4
LT		 181}
182
183static inline void
e315cd28 184qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
1da177e4 185{
e315cd28 186 mod_timer(&vha->timer, jiffies + interval * HZ);
1da177e4
LT		 187}
188
a824ebb3 189static __inline__ void
e315cd28 190qla2x00_stop_timer(scsi_qla_host_t *vha)
1da177e4 191{
e315cd28
AC		 192 del_timer_sync(&vha->timer);
193 vha->timer_active = 0;
1da177e4
LT		 194}
195
1da177e4
LT		 196static int qla2x00_do_dpc(void *data);
197
198static void qla2x00_rst_aen(scsi_qla_host_t *);
199
73208dfd
AC		 200static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
201 struct req_que **, struct rsp_que **);
e315cd28
AC		 202static void qla2x00_mem_free(struct qla_hw_data *);
203static void qla2x00_sp_free_dma(srb_t *);
1da177e4 204
1da177e4 205/* -------------------------------------------------------------------------- */
73208dfd
AC		 206static int qla2x00_alloc_queues(struct qla_hw_data *ha)
207{
2afa19a9 208 ha->req_q_map = kzalloc(sizeof(struct req_que *) * ha->max_req_queues,
73208dfd
AC		 209 GFP_KERNEL);
210 if (!ha->req_q_map) {
211 qla_printk(KERN_WARNING, ha,
212 "Unable to allocate memory for request queue ptrs\n");
213 goto fail_req_map;
214 }
215
2afa19a9 216 ha->rsp_q_map = kzalloc(sizeof(struct rsp_que *) * ha->max_rsp_queues,
73208dfd
AC		 217 GFP_KERNEL);
218 if (!ha->rsp_q_map) {
219 qla_printk(KERN_WARNING, ha,
220 "Unable to allocate memory for response queue ptrs\n");
221 goto fail_rsp_map;
222 }
223 set_bit(0, ha->rsp_qid_map);
224 set_bit(0, ha->req_qid_map);
225 return 1;
226
227fail_rsp_map:
228 kfree(ha->req_q_map);
229 ha->req_q_map = NULL;
230fail_req_map:
231 return -ENOMEM;
232}
233
2afa19a9 234static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
73208dfd 235{
73208dfd
AC		 236 if (req && req->ring)
237 dma_free_coherent(&ha->pdev->dev,
238 (req->length + 1) * sizeof(request_t),
239 req->ring, req->dma);
240
241 kfree(req);
242 req = NULL;
243}
244
2afa19a9
AC		 245static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
246{
247 if (rsp && rsp->ring)
248 dma_free_coherent(&ha->pdev->dev,
249 (rsp->length + 1) * sizeof(response_t),
250 rsp->ring, rsp->dma);
251
252 kfree(rsp);
253 rsp = NULL;
254}
255
73208dfd
AC		 256static void qla2x00_free_queues(struct qla_hw_data *ha)
257{
258 struct req_que *req;
259 struct rsp_que *rsp;
260 int cnt;
261
2afa19a9 262 for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
73208dfd 263 req = ha->req_q_map[cnt];
2afa19a9 264 qla2x00_free_req_que(ha, req);
73208dfd 265 }
73208dfd
AC		 266 kfree(ha->req_q_map);
267 ha->req_q_map = NULL;
2afa19a9
AC		 268
269 for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
270 rsp = ha->rsp_q_map[cnt];
271 qla2x00_free_rsp_que(ha, rsp);
272 }
273 kfree(ha->rsp_q_map);
274 ha->rsp_q_map = NULL;
73208dfd
AC		 275}
276
68ca949c
AC		 277static int qla25xx_setup_mode(struct scsi_qla_host *vha)
278{
279 uint16_t options = 0;
280 int ques, req, ret;
281 struct qla_hw_data *ha = vha->hw;
282
7163ea81
AC		 283 if (!(ha->fw_attributes & BIT_6)) {
284 qla_printk(KERN_INFO, ha,
285 "Firmware is not multi-queue capable\n");
286 goto fail;
287 }
68ca949c 288 if (ql2xmultique_tag) {
68ca949c
AC		 289 /* create a request queue for IO */
290 options |= BIT_7;
291 req = qla25xx_create_req_que(ha, options, 0, 0, -1,
292 QLA_DEFAULT_QUE_QOS);
293 if (!req) {
294 qla_printk(KERN_WARNING, ha,
295 "Can't create request queue\n");
296 goto fail;
297 }
7163ea81 298 ha->wq = create_workqueue("qla2xxx_wq");
68ca949c
AC		 299 vha->req = ha->req_q_map[req];
300 options |= BIT_1;
301 for (ques = 1; ques < ha->max_rsp_queues; ques++) {
302 ret = qla25xx_create_rsp_que(ha, options, 0, 0, req);
303 if (!ret) {
304 qla_printk(KERN_WARNING, ha,
305 "Response Queue create failed\n");
306 goto fail2;
307 }
308 }
7163ea81
AC		 309 ha->flags.cpu_affinity_enabled = 1;
310
68ca949c
AC		 311 DEBUG2(qla_printk(KERN_INFO, ha,
312 "CPU affinity mode enabled, no. of response"
313 " queues:%d, no. of request queues:%d\n",
314 ha->max_rsp_queues, ha->max_req_queues));
315 }
316 return 0;
317fail2:
318 qla25xx_delete_queues(vha);
7163ea81
AC		 319 destroy_workqueue(ha->wq);
320 ha->wq = NULL;
68ca949c
AC		 321fail:
322 ha->mqenable = 0;
7163ea81
AC		 323 kfree(ha->req_q_map);
324 kfree(ha->rsp_q_map);
325 ha->max_req_queues = ha->max_rsp_queues = 1;
68ca949c
AC		 326 return 1;
327}
328
1da177e4 329static char *
e315cd28 330qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
1da177e4 331{
e315cd28 332 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 333 static char *pci_bus_modes[] = {
334 "33", "66", "100", "133",
335 };
336 uint16_t pci_bus;
337
338 strcpy(str, "PCI");
339 pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
340 if (pci_bus) {
341 strcat(str, "-X (");
342 strcat(str, pci_bus_modes[pci_bus]);
343 } else {
344 pci_bus = (ha->pci_attr & BIT_8) >> 8;
345 strcat(str, " (");
346 strcat(str, pci_bus_modes[pci_bus]);
347 }
348 strcat(str, " MHz)");
349
350 return (str);
351}
352
fca29703 353static char *
e315cd28 354qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
fca29703
AV		 355{
356 static char *pci_bus_modes[] = { "33", "66", "100", "133", };
e315cd28 357 struct qla_hw_data *ha = vha->hw;
fca29703
AV		 358 uint32_t pci_bus;
359 int pcie_reg;
360
361 pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
362 if (pcie_reg) {
363 char lwstr[6];
364 uint16_t pcie_lstat, lspeed, lwidth;
365
366 pcie_reg += 0x12;
367 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
368 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
369 lwidth = (pcie_lstat &
370 (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
371
372 strcpy(str, "PCIe (");
373 if (lspeed == 1)
c87a0d8c 374 strcat(str, "2.5GT/s ");
c3a2f0df 375 else if (lspeed == 2)
c87a0d8c 376 strcat(str, "5.0GT/s ");
fca29703
AV		 377 else
378 strcat(str, "<unknown> ");
379 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
380 strcat(str, lwstr);
381
382 return str;
383 }
384
385 strcpy(str, "PCI");
386 pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
387 if (pci_bus == 0 || pci_bus == 8) {
388 strcat(str, " (");
389 strcat(str, pci_bus_modes[pci_bus >> 3]);
390 } else {
391 strcat(str, "-X ");
392 if (pci_bus & BIT_2)
393 strcat(str, "Mode 2");
394 else
395 strcat(str, "Mode 1");
396 strcat(str, " (");
397 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
398 }
399 strcat(str, " MHz)");
400
401 return str;
402}
403
e5f82ab8 404static char *
e315cd28 405qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str)
1da177e4
LT		 406{
407 char un_str[10];
e315cd28 408 struct qla_hw_data *ha = vha->hw;
fa2a1ce5 409
1da177e4
LT		 410 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
411 ha->fw_minor_version,
412 ha->fw_subminor_version);
413
414 if (ha->fw_attributes & BIT_9) {
415 strcat(str, "FLX");
416 return (str);
417 }
418
419 switch (ha->fw_attributes & 0xFF) {
420 case 0x7:
421 strcat(str, "EF");
422 break;
423 case 0x17:
424 strcat(str, "TP");
425 break;
426 case 0x37:
427 strcat(str, "IP");
428 break;
429 case 0x77:
430 strcat(str, "VI");
431 break;
432 default:
433 sprintf(un_str, "(%x)", ha->fw_attributes);
434 strcat(str, un_str);
435 break;
436 }
437 if (ha->fw_attributes & 0x100)
438 strcat(str, "X");
439
440 return (str);
441}
442
e5f82ab8 443static char *
e315cd28 444qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str)
fca29703 445{
e315cd28 446 struct qla_hw_data *ha = vha->hw;
f0883ac6 447
3a03eb79
AV		 448 sprintf(str, "%d.%02d.%02d (%x)", ha->fw_major_version,
449 ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
fca29703 450 return str;
fca29703
AV		 451}
452
453static inline srb_t *
e315cd28 454qla2x00_get_new_sp(scsi_qla_host_t *vha, fc_port_t *fcport,
fca29703
AV		 455 struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
456{
457 srb_t *sp;
e315cd28 458 struct qla_hw_data *ha = vha->hw;
fca29703
AV		 459
460 sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
461 if (!sp)
462 return sp;
463
fca29703
AV		 464 sp->fcport = fcport;
465 sp->cmd = cmd;
466 sp->flags = 0;
467 CMD_SP(cmd) = (void *)sp;
468 cmd->scsi_done = done;
cf53b069 469 sp->ctx = NULL;
fca29703
AV		 470
471 return sp;
472}
473
1da177e4 474static int
a5326f86 475qla2xxx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
fca29703 476{
e315cd28 477 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
fca29703 478 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
19a7b4ae 479 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
e315cd28
AC		 480 struct qla_hw_data *ha = vha->hw;
481 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
fca29703
AV		 482 srb_t *sp;
483 int rval;
484
85880801
AV		 485 if (ha->flags.eeh_busy) {
486 if (ha->flags.pci_channel_io_perm_failure)
b9b12f73 487 cmd->result = DID_NO_CONNECT << 16;
85880801
AV		 488 else
489 cmd->result = DID_REQUEUE << 16;
14e660e6
SJ		 490 goto qc24_fail_command;
491 }
492
19a7b4ae
JSEC		 493 rval = fc_remote_port_chkready(rport);
494 if (rval) {
495 cmd->result = rval;
fca29703
AV		 496 goto qc24_fail_command;
497 }
498
387f96b4 499 /* Close window on fcport/rport state-transitioning. */
7b594131
MC		 500 if (fcport->drport)
501 goto qc24_target_busy;
387f96b4 502
fca29703
AV		 503 if (atomic_read(&fcport->state) != FCS_ONLINE) {
504 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
e315cd28 505 atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
fca29703
AV		 506 cmd->result = DID_NO_CONNECT << 16;
507 goto qc24_fail_command;
508 }
7b594131 509 goto qc24_target_busy;
fca29703
AV		 510 }
511
e315cd28 512 spin_unlock_irq(vha->host->host_lock);
fca29703 513
e315cd28 514 sp = qla2x00_get_new_sp(base_vha, fcport, cmd, done);
fca29703
AV		 515 if (!sp)
516 goto qc24_host_busy_lock;
517
e315cd28 518 rval = ha->isp_ops->start_scsi(sp);
fca29703
AV		 519 if (rval != QLA_SUCCESS)
520 goto qc24_host_busy_free_sp;
521
e315cd28 522 spin_lock_irq(vha->host->host_lock);
fca29703
AV		 523
524 return 0;
525
526qc24_host_busy_free_sp:
e315cd28
AC		 527 qla2x00_sp_free_dma(sp);
528 mempool_free(sp, ha->srb_mempool);
fca29703
AV		 529
530qc24_host_busy_lock:
e315cd28 531 spin_lock_irq(vha->host->host_lock);
fca29703
AV		 532 return SCSI_MLQUEUE_HOST_BUSY;
533
7b594131
MC		 534qc24_target_busy:
535 return SCSI_MLQUEUE_TARGET_BUSY;
536
fca29703
AV		 537qc24_fail_command:
538 done(cmd);
539
540 return 0;
541}
542
543
1da177e4
LT		 544/*
545 * qla2x00_eh_wait_on_command
546 * Waits for the command to be returned by the Firmware for some
547 * max time.
548 *
549 * Input:
1da177e4 550 * cmd = Scsi Command to wait on.
1da177e4
LT		 551 *
552 * Return:
553 * Not Found : 0
554 * Found : 1
555 */
556static int
e315cd28 557qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
1da177e4 558{
fe74c71f
AV		 559#define ABORT_POLLING_PERIOD 1000
560#define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
f4f051eb 561 unsigned long wait_iter = ABORT_WAIT_ITER;
85880801
AV		 562 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
563 struct qla_hw_data *ha = vha->hw;
f4f051eb 564 int ret = QLA_SUCCESS;
1da177e4 565
85880801
AV		 566 if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) {
567 DEBUG17(qla_printk(KERN_WARNING, ha, "return:eh_wait\n"));
568 return ret;
569 }
570
d970432c 571 while (CMD_SP(cmd) && wait_iter--) {
fe74c71f 572 msleep(ABORT_POLLING_PERIOD);
f4f051eb
AV		 573 }
574 if (CMD_SP(cmd))
575 ret = QLA_FUNCTION_FAILED;
1da177e4 576
f4f051eb 577 return ret;
1da177e4
LT		 578}
579
580/*
581 * qla2x00_wait_for_hba_online
fa2a1ce5 582 * Wait till the HBA is online after going through
1da177e4
LT		 583 * <= MAX_RETRIES_OF_ISP_ABORT or
584 * finally HBA is disabled ie marked offline
585 *
586 * Input:
587 * ha - pointer to host adapter structure
fa2a1ce5
AV		 588 *
589 * Note:
1da177e4
LT		 590 * Does context switching-Release SPIN_LOCK
591 * (if any) before calling this routine.
592 *
593 * Return:
594 * Success (Adapter is online) : 0
595 * Failed (Adapter is offline/disabled) : 1
596 */
854165f4 597int
e315cd28 598qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
1da177e4 599{
fca29703
AV		 600 int return_status;
601 unsigned long wait_online;
e315cd28
AC		 602 struct qla_hw_data *ha = vha->hw;
603 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1da177e4 604
fa2a1ce5 605 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
e315cd28
AC		 606 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
607 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
608 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
609 ha->dpc_active) && time_before(jiffies, wait_online)) {
1da177e4
LT		 610
611 msleep(1000);
612 }
e315cd28 613 if (base_vha->flags.online)
fa2a1ce5 614 return_status = QLA_SUCCESS;
1da177e4
LT		 615 else
616 return_status = QLA_FUNCTION_FAILED;
617
1da177e4
LT		 618 return (return_status);
619}
620
2533cf67
LC		 621int
622qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
623{
624 int return_status;
625 unsigned long wait_reset;
626 struct qla_hw_data *ha = vha->hw;
627 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
628
629 wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
630 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
631 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
632 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
633 ha->dpc_active) && time_before(jiffies, wait_reset)) {
634
635 msleep(1000);
636
637 if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
638 ha->flags.chip_reset_done)
639 break;
640 }
641 if (ha->flags.chip_reset_done)
642 return_status = QLA_SUCCESS;
643 else
644 return_status = QLA_FUNCTION_FAILED;
645
646 return return_status;
647}
648
1da177e4
LT		 649/*
650 * qla2x00_wait_for_loop_ready
651 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
fa2a1ce5 652 * to be in LOOP_READY state.
1da177e4
LT		 653 * Input:
654 * ha - pointer to host adapter structure
fa2a1ce5
AV		 655 *
656 * Note:
1da177e4
LT		 657 * Does context switching-Release SPIN_LOCK
658 * (if any) before calling this routine.
fa2a1ce5 659 *
1da177e4
LT		 660 *
661 * Return:
662 * Success (LOOP_READY) : 0
663 * Failed (LOOP_NOT_READY) : 1
664 */
fa2a1ce5 665static inline int
e315cd28 666qla2x00_wait_for_loop_ready(scsi_qla_host_t *vha)
1da177e4
LT		 667{
668 int return_status = QLA_SUCCESS;
669 unsigned long loop_timeout ;
e315cd28
AC		 670 struct qla_hw_data *ha = vha->hw;
671 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1da177e4
LT		 672
673 /* wait for 5 min at the max for loop to be ready */
fa2a1ce5 674 loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1da177e4 675
e315cd28
AC		 676 while ((!atomic_read(&base_vha->loop_down_timer) &&
677 atomic_read(&base_vha->loop_state) == LOOP_DOWN) ||
678 atomic_read(&base_vha->loop_state) != LOOP_READY) {
679 if (atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
57680080
RA		 680 return_status = QLA_FUNCTION_FAILED;
681 break;
682 }
1da177e4
LT		 683 msleep(1000);
684 if (time_after_eq(jiffies, loop_timeout)) {
685 return_status = QLA_FUNCTION_FAILED;
686 break;
687 }
688 }
fa2a1ce5 689 return (return_status);
1da177e4
LT		 690}
691
692/**************************************************************************
693* qla2xxx_eh_abort
694*
695* Description:
696* The abort function will abort the specified command.
697*
698* Input:
699* cmd = Linux SCSI command packet to be aborted.
700*
701* Returns:
702* Either SUCCESS or FAILED.
703*
704* Note:
2ea00202 705* Only return FAILED if command not returned by firmware.
1da177e4 706**************************************************************************/
e5f82ab8 707static int
1da177e4
LT		 708qla2xxx_eh_abort(struct scsi_cmnd *cmd)
709{
e315cd28 710 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
f4f051eb 711 srb_t *sp;
17d98630 712 int ret, i;
f4f051eb
AV		 713 unsigned int id, lun;
714 unsigned long serial;
18e144d3 715 unsigned long flags;
2ea00202 716 int wait = 0;
e315cd28 717 struct qla_hw_data *ha = vha->hw;
67c2e93a 718 struct req_que *req = vha->req;
17d98630 719 srb_t *spt;
1da177e4 720
65d430fa 721 fc_block_scsi_eh(cmd);
07db5183 722
f4f051eb 723 if (!CMD_SP(cmd))
2ea00202 724 return SUCCESS;
1da177e4 725
2ea00202 726 ret = SUCCESS;
1da177e4 727
f4f051eb
AV		 728 id = cmd->device->id;
729 lun = cmd->device->lun;
730 serial = cmd->serial_number;
17d98630
AC		 731 spt = (srb_t *) CMD_SP(cmd);
732 if (!spt)
733 return SUCCESS;
1da177e4 734
f4f051eb 735 /* Check active list for command command. */
e315cd28 736 spin_lock_irqsave(&ha->hardware_lock, flags);
17d98630
AC		 737 for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
738 sp = req->outstanding_cmds[i];
1da177e4 739
17d98630
AC		 740 if (sp == NULL)
741 continue;
cf53b069
AV		 742 if (sp->ctx)
743 continue;
17d98630
AC		 744 if (sp->cmd != cmd)
745 continue;
1da177e4 746
17d98630
AC		 747 DEBUG2(printk("%s(%ld): aborting sp %p from RISC."
748 " pid=%ld.\n", __func__, vha->host_no, sp, serial));
749
750 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2afa19a9 751 if (ha->isp_ops->abort_command(sp)) {
17d98630
AC		 752 DEBUG2(printk("%s(%ld): abort_command "
753 "mbx failed.\n", __func__, vha->host_no));
2ac4b64f 754 ret = FAILED;
17d98630
AC		 755 } else {
756 DEBUG3(printk("%s(%ld): abort_command "
757 "mbx success.\n", __func__, vha->host_no));
758 wait = 1;
73208dfd 759 }
17d98630
AC		 760 spin_lock_irqsave(&ha->hardware_lock, flags);
761 break;
f4f051eb 762 }
e315cd28 763 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1da177e4 764
f4f051eb 765 /* Wait for the command to be returned. */
2ea00202 766 if (wait) {
e315cd28 767 if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
fa2a1ce5 768 qla_printk(KERN_ERR, ha,
f4f051eb 769 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
e315cd28 770 "%x.\n", vha->host_no, id, lun, serial, ret);
2ea00202 771 ret = FAILED;
f4f051eb 772 }
1da177e4 773 }
1da177e4 774
fa2a1ce5 775 qla_printk(KERN_INFO, ha,
2ea00202 776 "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
e315cd28 777 vha->host_no, id, lun, wait, serial, ret);
1da177e4 778
f4f051eb
AV		 779 return ret;
780}
1da177e4 781
523ec773
AV		 782enum nexus_wait_type {
783 WAIT_HOST = 0,
784 WAIT_TARGET,
785 WAIT_LUN,
786};
787
f4f051eb 788static int
e315cd28 789qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
17d98630 790 unsigned int l, srb_t *sp, enum nexus_wait_type type)
f4f051eb 791{
17d98630 792 int cnt, match, status;
18e144d3 793 unsigned long flags;
e315cd28 794 struct qla_hw_data *ha = vha->hw;
73208dfd 795 struct req_que *req;
1da177e4 796
523ec773 797 status = QLA_SUCCESS;
17d98630
AC		 798 if (!sp)
799 return status;
800
e315cd28 801 spin_lock_irqsave(&ha->hardware_lock, flags);
67c2e93a 802 req = vha->req;
17d98630
AC		 803 for (cnt = 1; status == QLA_SUCCESS &&
804 cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
805 sp = req->outstanding_cmds[cnt];
806 if (!sp)
523ec773 807 continue;
cf53b069
AV		 808 if (sp->ctx)
809 continue;
17d98630
AC		 810 if (vha->vp_idx != sp->fcport->vha->vp_idx)
811 continue;
812 match = 0;
813 switch (type) {
814 case WAIT_HOST:
815 match = 1;
816 break;
817 case WAIT_TARGET:
818 match = sp->cmd->device->id == t;
819 break;
820 case WAIT_LUN:
821 match = (sp->cmd->device->id == t &&
822 sp->cmd->device->lun == l);
823 break;
73208dfd 824 }
17d98630
AC		 825 if (!match)
826 continue;
827
828 spin_unlock_irqrestore(&ha->hardware_lock, flags);
829 status = qla2x00_eh_wait_on_command(sp->cmd);
830 spin_lock_irqsave(&ha->hardware_lock, flags);
1da177e4 831 }
e315cd28 832 spin_unlock_irqrestore(&ha->hardware_lock, flags);
523ec773
AV		 833
834 return status;
1da177e4
LT		 835}
836
523ec773
AV		 837static char *reset_errors[] = {
838 "HBA not online",
839 "HBA not ready",
840 "Task management failed",
841 "Waiting for command completions",
842};
1da177e4 843
e5f82ab8 844static int
523ec773 845__qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
2afa19a9 846 struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int, int))
1da177e4 847{
e315cd28 848 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
bdf79621 849 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
523ec773 850 int err;
1da177e4 851
65d430fa 852 fc_block_scsi_eh(cmd);
07db5183 853
b0328bee 854 if (!fcport)
523ec773 855 return FAILED;
1da177e4 856
e315cd28
AC		 857 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET ISSUED.\n",
858 vha->host_no, cmd->device->id, cmd->device->lun, name);
1da177e4 859
523ec773 860 err = 0;
e315cd28 861 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
523ec773
AV		 862 goto eh_reset_failed;
863 err = 1;
e315cd28 864 if (qla2x00_wait_for_loop_ready(vha) != QLA_SUCCESS)
523ec773
AV		 865 goto eh_reset_failed;
866 err = 2;
2afa19a9
AC		 867 if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
868 != QLA_SUCCESS)
523ec773
AV		 869 goto eh_reset_failed;
870 err = 3;
e315cd28 871 if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
17d98630 872 cmd->device->lun, (srb_t *) CMD_SP(cmd), type) != QLA_SUCCESS)
523ec773
AV		 873 goto eh_reset_failed;
874
e315cd28
AC		 875 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n",
876 vha->host_no, cmd->device->id, cmd->device->lun, name);
523ec773
AV		 877
878 return SUCCESS;
879
880 eh_reset_failed:
e315cd28
AC		 881 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n"
882 , vha->host_no, cmd->device->id, cmd->device->lun, name,
523ec773
AV		 883 reset_errors[err]);
884 return FAILED;
885}
1da177e4 886
523ec773
AV		 887static int
888qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
889{
e315cd28
AC		 890 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
891 struct qla_hw_data *ha = vha->hw;
1da177e4 892
523ec773
AV		 893 return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
894 ha->isp_ops->lun_reset);
1da177e4
LT		 895}
896
1da177e4 897static int
523ec773 898qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1da177e4 899{
e315cd28
AC		 900 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
901 struct qla_hw_data *ha = vha->hw;
1da177e4 902
523ec773
AV		 903 return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
904 ha->isp_ops->target_reset);
1da177e4
LT		 905}
906
1da177e4
LT		 907/**************************************************************************
908* qla2xxx_eh_bus_reset
909*
910* Description:
911* The bus reset function will reset the bus and abort any executing
912* commands.
913*
914* Input:
915* cmd = Linux SCSI command packet of the command that cause the
916* bus reset.
917*
918* Returns:
919* SUCCESS/FAILURE (defined as macro in scsi.h).
920*
921**************************************************************************/
e5f82ab8 922static int
1da177e4
LT		 923qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
924{
e315cd28 925 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
bdf79621 926 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
2c3dfe3f 927 int ret = FAILED;
f4f051eb
AV		 928 unsigned int id, lun;
929 unsigned long serial;
17d98630 930 srb_t *sp = (srb_t *) CMD_SP(cmd);
f4f051eb 931
65d430fa 932 fc_block_scsi_eh(cmd);
07db5183 933
f4f051eb
AV		 934 id = cmd->device->id;
935 lun = cmd->device->lun;
936 serial = cmd->serial_number;
1da177e4 937
b0328bee 938 if (!fcport)
f4f051eb 939 return ret;
1da177e4 940
e315cd28 941 qla_printk(KERN_INFO, vha->hw,
749af3d5 942 "scsi(%ld:%d:%d): BUS RESET ISSUED.\n", vha->host_no, id, lun);
1da177e4 943
e315cd28 944 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1da177e4 945 DEBUG2(printk("%s failed:board disabled\n",__func__));
f4f051eb 946 goto eh_bus_reset_done;
1da177e4
LT		 947 }
948
e315cd28
AC		 949 if (qla2x00_wait_for_loop_ready(vha) == QLA_SUCCESS) {
950 if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
f4f051eb 951 ret = SUCCESS;
1da177e4 952 }
f4f051eb
AV		 953 if (ret == FAILED)
954 goto eh_bus_reset_done;
1da177e4 955
9a41a62b 956 /* Flush outstanding commands. */
17d98630 957 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) !=
523ec773 958 QLA_SUCCESS)
9a41a62b 959 ret = FAILED;
1da177e4 960
f4f051eb 961eh_bus_reset_done:
e315cd28 962 qla_printk(KERN_INFO, vha->hw, "%s: reset %s\n", __func__,
f4f051eb 963 (ret == FAILED) ? "failed" : "succeded");
1da177e4 964
f4f051eb 965 return ret;
1da177e4
LT		 966}
967
968/**************************************************************************
969* qla2xxx_eh_host_reset
970*
971* Description:
972* The reset function will reset the Adapter.
973*
974* Input:
975* cmd = Linux SCSI command packet of the command that cause the
976* adapter reset.
977*
978* Returns:
979* Either SUCCESS or FAILED.
980*
981* Note:
982**************************************************************************/
e5f82ab8 983static int
1da177e4
LT		 984qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
985{
e315cd28 986 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
bdf79621 987 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
e315cd28 988 struct qla_hw_data *ha = vha->hw;
2c3dfe3f 989 int ret = FAILED;
f4f051eb
AV		 990 unsigned int id, lun;
991 unsigned long serial;
17d98630 992 srb_t *sp = (srb_t *) CMD_SP(cmd);
e315cd28 993 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1da177e4 994
65d430fa 995 fc_block_scsi_eh(cmd);
07db5183 996
f4f051eb
AV		 997 id = cmd->device->id;
998 lun = cmd->device->lun;
999 serial = cmd->serial_number;
1000
b0328bee 1001 if (!fcport)
f4f051eb 1002 return ret;
1da177e4 1003
1da177e4 1004 qla_printk(KERN_INFO, ha,
e315cd28 1005 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", vha->host_no, id, lun);
1da177e4 1006
e315cd28 1007 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
f4f051eb 1008 goto eh_host_reset_lock;
1da177e4
LT		 1009
1010 /*
1011 * Fixme-may be dpc thread is active and processing
fa2a1ce5 1012 * loop_resync,so wait a while for it to
1da177e4
LT		 1013 * be completed and then issue big hammer.Otherwise
1014 * it may cause I/O failure as big hammer marks the
1015 * devices as lost kicking of the port_down_timer
1016 * while dpc is stuck for the mailbox to complete.
1017 */
e315cd28
AC		 1018 qla2x00_wait_for_loop_ready(vha);
1019 if (vha != base_vha) {
1020 if (qla2x00_vp_abort_isp(vha))
f4f051eb 1021 goto eh_host_reset_lock;
e315cd28 1022 } else {
68ca949c
AC		 1023 if (ha->wq)
1024 flush_workqueue(ha->wq);
1025
e315cd28
AC		 1026 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1027 if (qla2x00_abort_isp(base_vha)) {
1028 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1029 /* failed. schedule dpc to try */
1030 set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1031
1032 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
1033 goto eh_host_reset_lock;
1034 }
1035 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
fa2a1ce5 1036 }
1da177e4 1037
e315cd28 1038 /* Waiting for command to be returned to OS.*/
17d98630 1039 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) ==
e315cd28 1040 QLA_SUCCESS)
f4f051eb 1041 ret = SUCCESS;
1da177e4 1042
f4f051eb 1043eh_host_reset_lock:
f4f051eb
AV		 1044 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1045 (ret == FAILED) ? "failed" : "succeded");
1da177e4 1046
f4f051eb
AV		 1047 return ret;
1048}
1da177e4
LT		 1049
1050/*
1051* qla2x00_loop_reset
1052* Issue loop reset.
1053*
1054* Input:
1055* ha = adapter block pointer.
1056*
1057* Returns:
1058* 0 = success
1059*/
a4722cf2 1060int
e315cd28 1061qla2x00_loop_reset(scsi_qla_host_t *vha)
1da177e4 1062{
0c8c39af 1063 int ret;
bdf79621 1064 struct fc_port *fcport;
e315cd28 1065 struct qla_hw_data *ha = vha->hw;
1da177e4 1066
55e5ed27
AV		 1067 if (ha->flags.enable_target_reset) {
1068 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1069 if (fcport->port_type != FCT_TARGET)
1070 continue;
1071
1072 ret = ha->isp_ops->target_reset(fcport, 0, 0);
1073 if (ret != QLA_SUCCESS) {
1074 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1075 "target_reset=%d d_id=%x.\n", __func__,
1076 vha->host_no, ret, fcport->d_id.b24));
1077 }
1078 }
1079 }
1080
0d6e61bc 1081 if (ha->flags.enable_lip_full_login && !IS_QLA81XX(ha)) {
e315cd28 1082 ret = qla2x00_full_login_lip(vha);
0c8c39af 1083 if (ret != QLA_SUCCESS) {
749af3d5 1084 DEBUG2_3(printk("%s(%ld): failed: "
e315cd28 1085 "full_login_lip=%d.\n", __func__, vha->host_no,
0c8c39af 1086 ret));
749af3d5
AC		 1087 }
1088 atomic_set(&vha->loop_state, LOOP_DOWN);
1089 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1090 qla2x00_mark_all_devices_lost(vha, 0);
1091 qla2x00_wait_for_loop_ready(vha);
0c8c39af
AV		 1092 }
1093
0d6e61bc 1094 if (ha->flags.enable_lip_reset) {
e315cd28 1095 ret = qla2x00_lip_reset(vha);
0c8c39af 1096 if (ret != QLA_SUCCESS) {
749af3d5 1097 DEBUG2_3(printk("%s(%ld): failed: "
e315cd28
AC		 1098 "lip_reset=%d.\n", __func__, vha->host_no, ret));
1099 } else
1100 qla2x00_wait_for_loop_ready(vha);
1da177e4
LT		 1101 }
1102
1da177e4 1103 /* Issue marker command only when we are going to start the I/O */
e315cd28 1104 vha->marker_needed = 1;
1da177e4 1105
0c8c39af 1106 return QLA_SUCCESS;
1da177e4
LT		 1107}
1108
df4bf0bb 1109void
e315cd28 1110qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
df4bf0bb 1111{
73208dfd 1112 int que, cnt;
df4bf0bb
AV		 1113 unsigned long flags;
1114 srb_t *sp;
ac280b67 1115 struct srb_ctx *ctx;
e315cd28 1116 struct qla_hw_data *ha = vha->hw;
73208dfd 1117 struct req_que *req;
df4bf0bb
AV		 1118
1119 spin_lock_irqsave(&ha->hardware_lock, flags);
2afa19a9 1120 for (que = 0; que < ha->max_req_queues; que++) {
29bdccbe 1121 req = ha->req_q_map[que];
73208dfd
AC		 1122 if (!req)
1123 continue;
1124 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1125 sp = req->outstanding_cmds[cnt];
e612d465 1126 if (sp) {
73208dfd 1127 req->outstanding_cmds[cnt] = NULL;
ac280b67
AV		 1128 if (!sp->ctx) {
1129 sp->cmd->result = res;
1130 qla2x00_sp_compl(ha, sp);
1131 } else {
1132 ctx = sp->ctx;
db3ad7f8
GM		 1133 if (ctx->type == SRB_LOGIN_CMD || ctx->type == SRB_LOGOUT_CMD) {
1134 del_timer_sync(&ctx->timer);
1135 ctx->free(sp);
1136 } else {
1137 struct srb_bsg* sp_bsg = (struct srb_bsg*)sp->ctx;
1138 if (sp_bsg->bsg_job->request->msgcode == FC_BSG_HST_CT)
1139 kfree(sp->fcport);
1140 sp_bsg->bsg_job->req->errors = 0;
1141 sp_bsg->bsg_job->reply->result = res;
1142 sp_bsg->bsg_job->job_done(sp_bsg->bsg_job);
1143 kfree(sp->ctx);
1144 mempool_free(sp, ha->srb_mempool);
1145 }
ac280b67 1146 }
73208dfd 1147 }
df4bf0bb
AV		 1148 }
1149 }
1150 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1151}
1152
f4f051eb
AV		 1153static int
1154qla2xxx_slave_alloc(struct scsi_device *sdev)
1da177e4 1155{
bdf79621 1156 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1da177e4 1157
19a7b4ae 1158 if (!rport || fc_remote_port_chkready(rport))
f4f051eb 1159 return -ENXIO;
bdf79621 1160
19a7b4ae 1161 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1da177e4 1162
f4f051eb
AV		 1163 return 0;
1164}
1da177e4 1165
f4f051eb
AV		 1166static int
1167qla2xxx_slave_configure(struct scsi_device *sdev)
1168{
e315cd28
AC		 1169 scsi_qla_host_t *vha = shost_priv(sdev->host);
1170 struct qla_hw_data *ha = vha->hw;
8482e118 1171 struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
2afa19a9 1172 struct req_que *req = vha->req;
8482e118 1173
f4f051eb 1174 if (sdev->tagged_supported)
73208dfd 1175 scsi_activate_tcq(sdev, req->max_q_depth);
f4f051eb 1176 else
73208dfd 1177 scsi_deactivate_tcq(sdev, req->max_q_depth);
1da177e4 1178
85821c90 1179 rport->dev_loss_tmo = ha->port_down_retry_count;
8482e118 1180
f4f051eb
AV		 1181 return 0;
1182}
1da177e4 1183
f4f051eb
AV		 1184static void
1185qla2xxx_slave_destroy(struct scsi_device *sdev)
1186{
1187 sdev->hostdata = NULL;
1da177e4
LT		 1188}
1189
c45dd305
GM		 1190static void qla2x00_handle_queue_full(struct scsi_device *sdev, int qdepth)
1191{
1192 fc_port_t *fcport = (struct fc_port *) sdev->hostdata;
1193
1194 if (!scsi_track_queue_full(sdev, qdepth))
1195 return;
1196
1197 DEBUG2(qla_printk(KERN_INFO, fcport->vha->hw,
1198 "scsi(%ld:%d:%d:%d): Queue depth adjusted-down to %d.\n",
1199 fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun,
1200 sdev->queue_depth));
1201}
1202
1203static void qla2x00_adjust_sdev_qdepth_up(struct scsi_device *sdev, int qdepth)
1204{
1205 fc_port_t *fcport = sdev->hostdata;
1206 struct scsi_qla_host *vha = fcport->vha;
1207 struct qla_hw_data *ha = vha->hw;
1208 struct req_que *req = NULL;
1209
1210 req = vha->req;
1211 if (!req)
1212 return;
1213
1214 if (req->max_q_depth <= sdev->queue_depth || req->max_q_depth < qdepth)
1215 return;
1216
1217 if (sdev->ordered_tags)
1218 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, qdepth);
1219 else
1220 scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, qdepth);
1221
1222 DEBUG2(qla_printk(KERN_INFO, ha,
1223 "scsi(%ld:%d:%d:%d): Queue depth adjusted-up to %d.\n",
1224 fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun,
1225 sdev->queue_depth));
1226}
1227
ce7e4af7 1228static int
e881a172 1229qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
ce7e4af7 1230{
c45dd305
GM		 1231 switch (reason) {
1232 case SCSI_QDEPTH_DEFAULT:
1233 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1234 break;
1235 case SCSI_QDEPTH_QFULL:
1236 qla2x00_handle_queue_full(sdev, qdepth);
1237 break;
1238 case SCSI_QDEPTH_RAMP_UP:
1239 qla2x00_adjust_sdev_qdepth_up(sdev, qdepth);
1240 break;
1241 default:
08002af2 1242 return -EOPNOTSUPP;
c45dd305 1243 }
e881a172 1244
ce7e4af7
AV		 1245 return sdev->queue_depth;
1246}
1247
1248static int
1249qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1250{
1251 if (sdev->tagged_supported) {
1252 scsi_set_tag_type(sdev, tag_type);
1253 if (tag_type)
1254 scsi_activate_tcq(sdev, sdev->queue_depth);
1255 else
1256 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1257 } else
1258 tag_type = 0;
1259
1260 return tag_type;
1261}
1262
1da177e4
LT		 1263/**
1264 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1265 * @ha: HA context
1266 *
1267 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1268 * supported addressing method.
1269 */
1270static void
53303c42 1271qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1da177e4 1272{
7524f9b9 1273 /* Assume a 32bit DMA mask. */
1da177e4 1274 ha->flags.enable_64bit_addressing = 0;
1da177e4 1275
6a35528a 1276 if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
7524f9b9
AV		 1277 /* Any upper-dword bits set? */
1278 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
6a35528a 1279 !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
7524f9b9 1280 /* Ok, a 64bit DMA mask is applicable. */
1da177e4 1281 ha->flags.enable_64bit_addressing = 1;
fd34f556
AV		 1282 ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1283 ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
7524f9b9 1284 return;
1da177e4 1285 }
1da177e4 1286 }
7524f9b9 1287
284901a9
YH		 1288 dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1289 pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1da177e4
LT		 1290}
1291
fd34f556 1292static void
e315cd28 1293qla2x00_enable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1294{
1295 unsigned long flags = 0;
1296 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1297
1298 spin_lock_irqsave(&ha->hardware_lock, flags);
1299 ha->interrupts_on = 1;
1300 /* enable risc and host interrupts */
1301 WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1302 RD_REG_WORD(&reg->ictrl);
1303 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1304
1305}
1306
1307static void
e315cd28 1308qla2x00_disable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1309{
1310 unsigned long flags = 0;
1311 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1312
1313 spin_lock_irqsave(&ha->hardware_lock, flags);
1314 ha->interrupts_on = 0;
1315 /* disable risc and host interrupts */
1316 WRT_REG_WORD(&reg->ictrl, 0);
1317 RD_REG_WORD(&reg->ictrl);
1318 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1319}
1320
1321static void
e315cd28 1322qla24xx_enable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1323{
1324 unsigned long flags = 0;
1325 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1326
1327 spin_lock_irqsave(&ha->hardware_lock, flags);
1328 ha->interrupts_on = 1;
1329 WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1330 RD_REG_DWORD(&reg->ictrl);
1331 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1332}
1333
1334static void
e315cd28 1335qla24xx_disable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1336{
1337 unsigned long flags = 0;
1338 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1339
124f85e6
AV		 1340 if (IS_NOPOLLING_TYPE(ha))
1341 return;
fd34f556
AV		 1342 spin_lock_irqsave(&ha->hardware_lock, flags);
1343 ha->interrupts_on = 0;
1344 WRT_REG_DWORD(&reg->ictrl, 0);
1345 RD_REG_DWORD(&reg->ictrl);
1346 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1347}
1348
1349static struct isp_operations qla2100_isp_ops = {
1350 .pci_config = qla2100_pci_config,
1351 .reset_chip = qla2x00_reset_chip,
1352 .chip_diag = qla2x00_chip_diag,
1353 .config_rings = qla2x00_config_rings,
1354 .reset_adapter = qla2x00_reset_adapter,
1355 .nvram_config = qla2x00_nvram_config,
1356 .update_fw_options = qla2x00_update_fw_options,
1357 .load_risc = qla2x00_load_risc,
1358 .pci_info_str = qla2x00_pci_info_str,
1359 .fw_version_str = qla2x00_fw_version_str,
1360 .intr_handler = qla2100_intr_handler,
1361 .enable_intrs = qla2x00_enable_intrs,
1362 .disable_intrs = qla2x00_disable_intrs,
1363 .abort_command = qla2x00_abort_command,
523ec773
AV		 1364 .target_reset = qla2x00_abort_target,
1365 .lun_reset = qla2x00_lun_reset,
fd34f556
AV		 1366 .fabric_login = qla2x00_login_fabric,
1367 .fabric_logout = qla2x00_fabric_logout,
1368 .calc_req_entries = qla2x00_calc_iocbs_32,
1369 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1370 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1371 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1372 .read_nvram = qla2x00_read_nvram_data,
1373 .write_nvram = qla2x00_write_nvram_data,
1374 .fw_dump = qla2100_fw_dump,
1375 .beacon_on = NULL,
1376 .beacon_off = NULL,
1377 .beacon_blink = NULL,
1378 .read_optrom = qla2x00_read_optrom_data,
1379 .write_optrom = qla2x00_write_optrom_data,
1380 .get_flash_version = qla2x00_get_flash_version,
e315cd28 1381 .start_scsi = qla2x00_start_scsi,
fd34f556
AV		 1382};
1383
1384static struct isp_operations qla2300_isp_ops = {
1385 .pci_config = qla2300_pci_config,
1386 .reset_chip = qla2x00_reset_chip,
1387 .chip_diag = qla2x00_chip_diag,
1388 .config_rings = qla2x00_config_rings,
1389 .reset_adapter = qla2x00_reset_adapter,
1390 .nvram_config = qla2x00_nvram_config,
1391 .update_fw_options = qla2x00_update_fw_options,
1392 .load_risc = qla2x00_load_risc,
1393 .pci_info_str = qla2x00_pci_info_str,
1394 .fw_version_str = qla2x00_fw_version_str,
1395 .intr_handler = qla2300_intr_handler,
1396 .enable_intrs = qla2x00_enable_intrs,
1397 .disable_intrs = qla2x00_disable_intrs,
1398 .abort_command = qla2x00_abort_command,
523ec773
AV		 1399 .target_reset = qla2x00_abort_target,
1400 .lun_reset = qla2x00_lun_reset,
fd34f556
AV		 1401 .fabric_login = qla2x00_login_fabric,
1402 .fabric_logout = qla2x00_fabric_logout,
1403 .calc_req_entries = qla2x00_calc_iocbs_32,
1404 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1405 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1406 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1407 .read_nvram = qla2x00_read_nvram_data,
1408 .write_nvram = qla2x00_write_nvram_data,
1409 .fw_dump = qla2300_fw_dump,
1410 .beacon_on = qla2x00_beacon_on,
1411 .beacon_off = qla2x00_beacon_off,
1412 .beacon_blink = qla2x00_beacon_blink,
1413 .read_optrom = qla2x00_read_optrom_data,
1414 .write_optrom = qla2x00_write_optrom_data,
1415 .get_flash_version = qla2x00_get_flash_version,
e315cd28 1416 .start_scsi = qla2x00_start_scsi,
fd34f556
AV		 1417};
1418
1419static struct isp_operations qla24xx_isp_ops = {
1420 .pci_config = qla24xx_pci_config,
1421 .reset_chip = qla24xx_reset_chip,
1422 .chip_diag = qla24xx_chip_diag,
1423 .config_rings = qla24xx_config_rings,
1424 .reset_adapter = qla24xx_reset_adapter,
1425 .nvram_config = qla24xx_nvram_config,
1426 .update_fw_options = qla24xx_update_fw_options,
1427 .load_risc = qla24xx_load_risc,
1428 .pci_info_str = qla24xx_pci_info_str,
1429 .fw_version_str = qla24xx_fw_version_str,
1430 .intr_handler = qla24xx_intr_handler,
1431 .enable_intrs = qla24xx_enable_intrs,
1432 .disable_intrs = qla24xx_disable_intrs,
1433 .abort_command = qla24xx_abort_command,
523ec773
AV		 1434 .target_reset = qla24xx_abort_target,
1435 .lun_reset = qla24xx_lun_reset,
fd34f556
AV		 1436 .fabric_login = qla24xx_login_fabric,
1437 .fabric_logout = qla24xx_fabric_logout,
1438 .calc_req_entries = NULL,
1439 .build_iocbs = NULL,
1440 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1441 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1442 .read_nvram = qla24xx_read_nvram_data,
1443 .write_nvram = qla24xx_write_nvram_data,
1444 .fw_dump = qla24xx_fw_dump,
1445 .beacon_on = qla24xx_beacon_on,
1446 .beacon_off = qla24xx_beacon_off,
1447 .beacon_blink = qla24xx_beacon_blink,
1448 .read_optrom = qla24xx_read_optrom_data,
1449 .write_optrom = qla24xx_write_optrom_data,
1450 .get_flash_version = qla24xx_get_flash_version,
e315cd28 1451 .start_scsi = qla24xx_start_scsi,
fd34f556
AV		 1452};
1453
c3a2f0df
AV		 1454static struct isp_operations qla25xx_isp_ops = {
1455 .pci_config = qla25xx_pci_config,
1456 .reset_chip = qla24xx_reset_chip,
1457 .chip_diag = qla24xx_chip_diag,
1458 .config_rings = qla24xx_config_rings,
1459 .reset_adapter = qla24xx_reset_adapter,
1460 .nvram_config = qla24xx_nvram_config,
1461 .update_fw_options = qla24xx_update_fw_options,
1462 .load_risc = qla24xx_load_risc,
1463 .pci_info_str = qla24xx_pci_info_str,
1464 .fw_version_str = qla24xx_fw_version_str,
1465 .intr_handler = qla24xx_intr_handler,
1466 .enable_intrs = qla24xx_enable_intrs,
1467 .disable_intrs = qla24xx_disable_intrs,
1468 .abort_command = qla24xx_abort_command,
523ec773
AV		 1469 .target_reset = qla24xx_abort_target,
1470 .lun_reset = qla24xx_lun_reset,
c3a2f0df
AV		 1471 .fabric_login = qla24xx_login_fabric,
1472 .fabric_logout = qla24xx_fabric_logout,
1473 .calc_req_entries = NULL,
1474 .build_iocbs = NULL,
1475 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1476 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1477 .read_nvram = qla25xx_read_nvram_data,
1478 .write_nvram = qla25xx_write_nvram_data,
1479 .fw_dump = qla25xx_fw_dump,
1480 .beacon_on = qla24xx_beacon_on,
1481 .beacon_off = qla24xx_beacon_off,
1482 .beacon_blink = qla24xx_beacon_blink,
338c9161 1483 .read_optrom = qla25xx_read_optrom_data,
c3a2f0df
AV		 1484 .write_optrom = qla24xx_write_optrom_data,
1485 .get_flash_version = qla24xx_get_flash_version,
e315cd28 1486 .start_scsi = qla24xx_start_scsi,
c3a2f0df
AV		 1487};
1488
3a03eb79
AV		 1489static struct isp_operations qla81xx_isp_ops = {
1490 .pci_config = qla25xx_pci_config,
1491 .reset_chip = qla24xx_reset_chip,
1492 .chip_diag = qla24xx_chip_diag,
1493 .config_rings = qla24xx_config_rings,
1494 .reset_adapter = qla24xx_reset_adapter,
1495 .nvram_config = qla81xx_nvram_config,
1496 .update_fw_options = qla81xx_update_fw_options,
eaac30be 1497 .load_risc = qla81xx_load_risc,
3a03eb79
AV		 1498 .pci_info_str = qla24xx_pci_info_str,
1499 .fw_version_str = qla24xx_fw_version_str,
1500 .intr_handler = qla24xx_intr_handler,
1501 .enable_intrs = qla24xx_enable_intrs,
1502 .disable_intrs = qla24xx_disable_intrs,
1503 .abort_command = qla24xx_abort_command,
1504 .target_reset = qla24xx_abort_target,
1505 .lun_reset = qla24xx_lun_reset,
1506 .fabric_login = qla24xx_login_fabric,
1507 .fabric_logout = qla24xx_fabric_logout,
1508 .calc_req_entries = NULL,
1509 .build_iocbs = NULL,
1510 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1511 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
3d79038f
AV		 1512 .read_nvram = NULL,
1513 .write_nvram = NULL,
3a03eb79
AV		 1514 .fw_dump = qla81xx_fw_dump,
1515 .beacon_on = qla24xx_beacon_on,
1516 .beacon_off = qla24xx_beacon_off,
1517 .beacon_blink = qla24xx_beacon_blink,
1518 .read_optrom = qla25xx_read_optrom_data,
1519 .write_optrom = qla24xx_write_optrom_data,
1520 .get_flash_version = qla24xx_get_flash_version,
1521 .start_scsi = qla24xx_start_scsi,
3a03eb79
AV		 1522};
1523
ea5b6382 1524static inline void
e315cd28 1525qla2x00_set_isp_flags(struct qla_hw_data *ha)
ea5b6382
AV		 1526{
1527 ha->device_type = DT_EXTENDED_IDS;
1528 switch (ha->pdev->device) {
1529 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1530 ha->device_type |= DT_ISP2100;
1531 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1532 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382
AV		 1533 break;
1534 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1535 ha->device_type |= DT_ISP2200;
1536 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1537 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382
AV		 1538 break;
1539 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1540 ha->device_type |= DT_ISP2300;
4a59f71d 1541 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1542 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1543 break;
1544 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1545 ha->device_type |= DT_ISP2312;
4a59f71d 1546 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1547 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1548 break;
1549 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1550 ha->device_type |= DT_ISP2322;
4a59f71d 1551 ha->device_type |= DT_ZIO_SUPPORTED;
ea5b6382
AV		 1552 if (ha->pdev->subsystem_vendor == 0x1028 &&
1553 ha->pdev->subsystem_device == 0x0170)
1554 ha->device_type |= DT_OEM_001;
441d1072 1555 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1556 break;
1557 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1558 ha->device_type |= DT_ISP6312;
441d1072 1559 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1560 break;
1561 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1562 ha->device_type |= DT_ISP6322;
441d1072 1563 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1564 break;
1565 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1566 ha->device_type |= DT_ISP2422;
4a59f71d 1567 ha->device_type |= DT_ZIO_SUPPORTED;
e428924c 1568 ha->device_type |= DT_FWI2;
c76f2c01 1569 ha->device_type |= DT_IIDMA;
441d1072 1570 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382
AV		 1571 break;
1572 case PCI_DEVICE_ID_QLOGIC_ISP2432:
1573 ha->device_type |= DT_ISP2432;
4a59f71d 1574 ha->device_type |= DT_ZIO_SUPPORTED;
e428924c 1575 ha->device_type |= DT_FWI2;
c76f2c01 1576 ha->device_type |= DT_IIDMA;
441d1072 1577 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1578 break;
4d4df193
HK		 1579 case PCI_DEVICE_ID_QLOGIC_ISP8432:
1580 ha->device_type |= DT_ISP8432;
1581 ha->device_type |= DT_ZIO_SUPPORTED;
1582 ha->device_type |= DT_FWI2;
1583 ha->device_type |= DT_IIDMA;
1584 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1585 break;
044cc6c8
AV		 1586 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1587 ha->device_type |= DT_ISP5422;
e428924c 1588 ha->device_type |= DT_FWI2;
441d1072 1589 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1590 break;
044cc6c8
AV		 1591 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1592 ha->device_type |= DT_ISP5432;
e428924c 1593 ha->device_type |= DT_FWI2;
441d1072 1594 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1595 break;
c3a2f0df
AV		 1596 case PCI_DEVICE_ID_QLOGIC_ISP2532:
1597 ha->device_type |= DT_ISP2532;
1598 ha->device_type |= DT_ZIO_SUPPORTED;
1599 ha->device_type |= DT_FWI2;
1600 ha->device_type |= DT_IIDMA;
441d1072 1601 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1602 break;
3a03eb79
AV		 1603 case PCI_DEVICE_ID_QLOGIC_ISP8001:
1604 ha->device_type |= DT_ISP8001;
1605 ha->device_type |= DT_ZIO_SUPPORTED;
1606 ha->device_type |= DT_FWI2;
1607 ha->device_type |= DT_IIDMA;
1608 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1609 break;
ea5b6382 1610 }
e5b68a61
AC		 1611
1612 /* Get adapter physical port no from interrupt pin register. */
1613 pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
1614 if (ha->port_no & 1)
1615 ha->flags.port0 = 1;
1616 else
1617 ha->flags.port0 = 0;
ea5b6382
AV		 1618}
1619
1da177e4 1620static int
e315cd28 1621qla2x00_iospace_config(struct qla_hw_data *ha)
1da177e4 1622{
3776541d 1623 resource_size_t pio;
73208dfd 1624 uint16_t msix;
68ca949c 1625 int cpus;
1da177e4 1626
285d0321
AV		 1627 if (pci_request_selected_regions(ha->pdev, ha->bars,
1628 QLA2XXX_DRIVER_NAME)) {
1629 qla_printk(KERN_WARNING, ha,
1630 "Failed to reserve PIO/MMIO regions (%s)\n",
1631 pci_name(ha->pdev));
1632
1633 goto iospace_error_exit;
1634 }
1635 if (!(ha->bars & 1))
1636 goto skip_pio;
1637
1da177e4
LT		 1638 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1639 pio = pci_resource_start(ha->pdev, 0);
3776541d
AV		 1640 if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1641 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1da177e4
LT		 1642 qla_printk(KERN_WARNING, ha,
1643 "Invalid PCI I/O region size (%s)...\n",
1644 pci_name(ha->pdev));
1645 pio = 0;
1646 }
1647 } else {
1648 qla_printk(KERN_WARNING, ha,
1649 "region #0 not a PIO resource (%s)...\n",
1650 pci_name(ha->pdev));
1651 pio = 0;
1652 }
285d0321 1653 ha->pio_address = pio;
1da177e4 1654
285d0321 1655skip_pio:
1da177e4 1656 /* Use MMIO operations for all accesses. */
3776541d 1657 if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1da177e4 1658 qla_printk(KERN_ERR, ha,
3776541d 1659 "region #1 not an MMIO resource (%s), aborting\n",
1da177e4
LT		 1660 pci_name(ha->pdev));
1661 goto iospace_error_exit;
1662 }
3776541d 1663 if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1da177e4
LT		 1664 qla_printk(KERN_ERR, ha,
1665 "Invalid PCI mem region size (%s), aborting\n",
1666 pci_name(ha->pdev));
1667 goto iospace_error_exit;
1668 }
1669
3776541d 1670 ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1da177e4
LT		 1671 if (!ha->iobase) {
1672 qla_printk(KERN_ERR, ha,
1673 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1674
1675 goto iospace_error_exit;
1676 }
1677
73208dfd 1678 /* Determine queue resources */
2afa19a9 1679 ha->max_req_queues = ha->max_rsp_queues = 1;
68ca949c 1680 if ((ql2xmaxqueues <= 1 || ql2xmultique_tag < 1) &&
2afa19a9 1681 (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
17d98630
AC		 1682 goto mqiobase_exit;
1683 ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1684 pci_resource_len(ha->pdev, 3));
1685 if (ha->mqiobase) {
1686 /* Read MSIX vector size of the board */
1687 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1688 ha->msix_count = msix;
68ca949c
AC		 1689 /* Max queues are bounded by available msix vectors */
1690 /* queue 0 uses two msix vectors */
1691 if (ql2xmultique_tag) {
1692 cpus = num_online_cpus();
27dc9c5a 1693 ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ?
68ca949c
AC		 1694 (cpus + 1) : (ha->msix_count - 1);
1695 ha->max_req_queues = 2;
1696 } else if (ql2xmaxqueues > 1) {
2afa19a9
AC		 1697 ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ?
1698 QLA_MQ_SIZE : ql2xmaxqueues;
1699 DEBUG2(qla_printk(KERN_INFO, ha, "QoS mode set, max no"
1700 " of request queues:%d\n", ha->max_req_queues));
1701 }
68ca949c
AC		 1702 qla_printk(KERN_INFO, ha,
1703 "MSI-X vector count: %d\n", msix);
2afa19a9
AC		 1704 } else
1705 qla_printk(KERN_INFO, ha, "BAR 3 not enabled\n");
17d98630
AC		 1706
1707mqiobase_exit:
2afa19a9 1708 ha->msix_count = ha->max_rsp_queues + 1;
1da177e4
LT		 1709 return (0);
1710
1711iospace_error_exit:
1712 return (-ENOMEM);
1713}
1714
1e99e33a
AV		 1715static void
1716qla2xxx_scan_start(struct Scsi_Host *shost)
1717{
e315cd28 1718 scsi_qla_host_t *vha = shost_priv(shost);
1e99e33a 1719
cbc8eb67
AV		 1720 if (vha->hw->flags.running_gold_fw)
1721 return;
1722
e315cd28
AC		 1723 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1724 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1725 set_bit(RSCN_UPDATE, &vha->dpc_flags);
1726 set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
1e99e33a
AV		 1727}
1728
1729static int
1730qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1731{
e315cd28 1732 scsi_qla_host_t *vha = shost_priv(shost);
1e99e33a 1733
e315cd28 1734 if (!vha->host)
1e99e33a 1735 return 1;
e315cd28 1736 if (time > vha->hw->loop_reset_delay * HZ)
1e99e33a
AV		 1737 return 1;
1738
e315cd28 1739 return atomic_read(&vha->loop_state) == LOOP_READY;
1e99e33a
AV		 1740}
1741
1da177e4
LT		 1742/*
1743 * PCI driver interface
1744 */
7ee61397
AV		 1745static int __devinit
1746qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1da177e4 1747{
a1541d5a 1748 int ret = -ENODEV;
1da177e4 1749 struct Scsi_Host *host;
e315cd28
AC		 1750 scsi_qla_host_t *base_vha = NULL;
1751 struct qla_hw_data *ha;
29856e28 1752 char pci_info[30];
1da177e4 1753 char fw_str[30];
5433383e 1754 struct scsi_host_template *sht;
c51da4ec 1755 int bars, max_id, mem_only = 0;
e315cd28 1756 uint16_t req_length = 0, rsp_length = 0;
73208dfd
AC		 1757 struct req_que *req = NULL;
1758 struct rsp_que *rsp = NULL;
1da177e4 1759
285d0321 1760 bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
a5326f86 1761 sht = &qla2xxx_driver_template;
5433383e 1762 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
8bc69e7d 1763 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
4d4df193 1764 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
8bc69e7d 1765 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
c3a2f0df 1766 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
3a03eb79
AV		 1767 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
1768 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001) {
285d0321 1769 bars = pci_select_bars(pdev, IORESOURCE_MEM);
09483916 1770 mem_only = 1;
285d0321
AV		 1771 }
1772
09483916
BH		 1773 if (mem_only) {
1774 if (pci_enable_device_mem(pdev))
1775 goto probe_out;
1776 } else {
1777 if (pci_enable_device(pdev))
1778 goto probe_out;
1779 }
285d0321 1780
0927678f
JB		 1781 /* This may fail but that's ok */
1782 pci_enable_pcie_error_reporting(pdev);
285d0321 1783
e315cd28
AC		 1784 ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
1785 if (!ha) {
1786 DEBUG(printk("Unable to allocate memory for ha\n"));
1787 goto probe_out;
1da177e4 1788 }
e315cd28 1789 ha->pdev = pdev;
1da177e4
LT		 1790
1791 /* Clear our data area */
285d0321 1792 ha->bars = bars;
09483916 1793 ha->mem_only = mem_only;
df4bf0bb 1794 spin_lock_init(&ha->hardware_lock);
1da177e4 1795
ea5b6382
AV		 1796 /* Set ISP-type information. */
1797 qla2x00_set_isp_flags(ha);
ca79cf66
DG		 1798
1799 /* Set EEH reset type to fundamental if required by hba */
1800 if ( IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha)) {
1801 pdev->needs_freset = 1;
ca79cf66
DG		 1802 }
1803
1da177e4
LT		 1804 /* Configure PCI I/O space */
1805 ret = qla2x00_iospace_config(ha);
a1541d5a 1806 if (ret)
e315cd28 1807 goto probe_hw_failed;
1da177e4 1808
1da177e4 1809 qla_printk(KERN_INFO, ha,
5433383e
AV		 1810 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1811 ha->iobase);
1da177e4 1812
1da177e4 1813 ha->prev_topology = 0;
fca29703 1814 ha->init_cb_size = sizeof(init_cb_t);
d8b45213 1815 ha->link_data_rate = PORT_SPEED_UNKNOWN;
854165f4 1816 ha->optrom_size = OPTROM_SIZE_2300;
1da177e4 1817
abbd8870 1818 /* Assign ISP specific operations. */
e315cd28 1819 max_id = MAX_TARGETS_2200;
1da177e4 1820 if (IS_QLA2100(ha)) {
e315cd28 1821 max_id = MAX_TARGETS_2100;
1da177e4 1822 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
e315cd28
AC		 1823 req_length = REQUEST_ENTRY_CNT_2100;
1824 rsp_length = RESPONSE_ENTRY_CNT_2100;
1825 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
abbd8870 1826 ha->gid_list_info_size = 4;
3a03eb79
AV		 1827 ha->flash_conf_off = ~0;
1828 ha->flash_data_off = ~0;
1829 ha->nvram_conf_off = ~0;
1830 ha->nvram_data_off = ~0;
fd34f556 1831 ha->isp_ops = &qla2100_isp_ops;
1da177e4 1832 } else if (IS_QLA2200(ha)) {
1da177e4 1833 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1834 req_length = REQUEST_ENTRY_CNT_2200;
1835 rsp_length = RESPONSE_ENTRY_CNT_2100;
1836 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
abbd8870 1837 ha->gid_list_info_size = 4;
3a03eb79
AV		 1838 ha->flash_conf_off = ~0;
1839 ha->flash_data_off = ~0;
1840 ha->nvram_conf_off = ~0;
1841 ha->nvram_data_off = ~0;
fd34f556 1842 ha->isp_ops = &qla2100_isp_ops;
fca29703 1843 } else if (IS_QLA23XX(ha)) {
1da177e4 1844 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1845 req_length = REQUEST_ENTRY_CNT_2200;
1846 rsp_length = RESPONSE_ENTRY_CNT_2300;
1847 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
abbd8870 1848 ha->gid_list_info_size = 6;
854165f4
AV		 1849 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1850 ha->optrom_size = OPTROM_SIZE_2322;
3a03eb79
AV		 1851 ha->flash_conf_off = ~0;
1852 ha->flash_data_off = ~0;
1853 ha->nvram_conf_off = ~0;
1854 ha->nvram_data_off = ~0;
fd34f556 1855 ha->isp_ops = &qla2300_isp_ops;
4d4df193 1856 } else if (IS_QLA24XX_TYPE(ha)) {
fca29703 1857 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1858 req_length = REQUEST_ENTRY_CNT_24XX;
1859 rsp_length = RESPONSE_ENTRY_CNT_2300;
1860 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2c3dfe3f 1861 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
fca29703 1862 ha->gid_list_info_size = 8;
854165f4 1863 ha->optrom_size = OPTROM_SIZE_24XX;
73208dfd 1864 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
fd34f556 1865 ha->isp_ops = &qla24xx_isp_ops;
3a03eb79
AV		 1866 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
1867 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
1868 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
1869 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
c3a2f0df 1870 } else if (IS_QLA25XX(ha)) {
c3a2f0df 1871 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1872 req_length = REQUEST_ENTRY_CNT_24XX;
1873 rsp_length = RESPONSE_ENTRY_CNT_2300;
1874 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
c3a2f0df 1875 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
c3a2f0df
AV		 1876 ha->gid_list_info_size = 8;
1877 ha->optrom_size = OPTROM_SIZE_25XX;
73208dfd 1878 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
c3a2f0df 1879 ha->isp_ops = &qla25xx_isp_ops;
3a03eb79
AV		 1880 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
1881 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
1882 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
1883 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
1884 } else if (IS_QLA81XX(ha)) {
1885 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1886 req_length = REQUEST_ENTRY_CNT_24XX;
1887 rsp_length = RESPONSE_ENTRY_CNT_2300;
1888 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1889 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
1890 ha->gid_list_info_size = 8;
1891 ha->optrom_size = OPTROM_SIZE_81XX;
40859ae5 1892 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3a03eb79
AV		 1893 ha->isp_ops = &qla81xx_isp_ops;
1894 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
1895 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
1896 ha->nvram_conf_off = ~0;
1897 ha->nvram_data_off = ~0;
1da177e4 1898 }
1da177e4 1899
6c2f527c 1900 mutex_init(&ha->vport_lock);
0b05a1f0
MB		 1901 init_completion(&ha->mbx_cmd_comp);
1902 complete(&ha->mbx_cmd_comp);
1903 init_completion(&ha->mbx_intr_comp);
1da177e4 1904
2c3dfe3f 1905 set_bit(0, (unsigned long *) ha->vp_idx_map);
1da177e4 1906
53303c42 1907 qla2x00_config_dma_addressing(ha);
73208dfd 1908 ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
e315cd28 1909 if (!ret) {
1da177e4
LT		 1910 qla_printk(KERN_WARNING, ha,
1911 "[ERROR] Failed to allocate memory for adapter\n");
1912
e315cd28
AC		 1913 goto probe_hw_failed;
1914 }
1915
73208dfd 1916 req->max_q_depth = MAX_Q_DEPTH;
e315cd28 1917 if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
73208dfd
AC		 1918 req->max_q_depth = ql2xmaxqdepth;
1919
e315cd28
AC		 1920
1921 base_vha = qla2x00_create_host(sht, ha);
1922 if (!base_vha) {
1923 qla_printk(KERN_WARNING, ha,
1924 "[ERROR] Failed to allocate memory for scsi_host\n");
1925
a1541d5a 1926 ret = -ENOMEM;
6e9f21f3 1927 qla2x00_mem_free(ha);
2afa19a9
AC		 1928 qla2x00_free_req_que(ha, req);
1929 qla2x00_free_rsp_que(ha, rsp);
e315cd28 1930 goto probe_hw_failed;
1da177e4
LT		 1931 }
1932
e315cd28
AC		 1933 pci_set_drvdata(pdev, base_vha);
1934
e315cd28 1935 host = base_vha->host;
2afa19a9 1936 base_vha->req = req;
73208dfd
AC		 1937 host->can_queue = req->length + 128;
1938 if (IS_QLA2XXX_MIDTYPE(ha))
e315cd28 1939 base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
73208dfd 1940 else
e315cd28
AC		 1941 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
1942 base_vha->vp_idx;
e315cd28
AC		 1943 if (IS_QLA2100(ha))
1944 host->sg_tablesize = 32;
1945 host->max_id = max_id;
1946 host->this_id = 255;
1947 host->cmd_per_lun = 3;
1948 host->unique_id = host->host_no;
1949 host->max_cmd_len = MAX_CMDSZ;
1950 host->max_channel = MAX_BUSES - 1;
1951 host->max_lun = MAX_LUNS;
1952 host->transportt = qla2xxx_transport_template;
9a069e19 1953 sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
e315cd28 1954
73208dfd
AC		 1955 /* Set up the irqs */
1956 ret = qla2x00_request_irqs(ha, rsp);
1957 if (ret)
6e9f21f3 1958 goto probe_init_failed;
90a86fc0
JC		 1959
1960 pci_save_state(pdev);
1961
73208dfd 1962 /* Alloc arrays of request and response ring ptrs */
7163ea81 1963que_init:
73208dfd
AC		 1964 if (!qla2x00_alloc_queues(ha)) {
1965 qla_printk(KERN_WARNING, ha,
1966 "[ERROR] Failed to allocate memory for queue"
1967 " pointers\n");
6e9f21f3 1968 goto probe_init_failed;
73208dfd
AC		 1969 }
1970 ha->rsp_q_map[0] = rsp;
1971 ha->req_q_map[0] = req;
2afa19a9
AC		 1972 rsp->req = req;
1973 req->rsp = rsp;
1974 set_bit(0, ha->req_qid_map);
1975 set_bit(0, ha->rsp_qid_map);
08029990
AV		 1976 /* FWI2-capable only. */
1977 req->req_q_in = &ha->iobase->isp24.req_q_in;
1978 req->req_q_out = &ha->iobase->isp24.req_q_out;
1979 rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
1980 rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
17d98630 1981 if (ha->mqenable) {
08029990
AV		 1982 req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
1983 req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
1984 rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
1985 rsp->rsp_q_out = &ha->mqiobase->isp25mq.rsp_q_out;
17d98630
AC		 1986 }
1987
e315cd28 1988 if (qla2x00_initialize_adapter(base_vha)) {
1da177e4
LT		 1989 qla_printk(KERN_WARNING, ha,
1990 "Failed to initialize adapter\n");
1991
1992 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1993 "Adapter flags %x.\n",
e315cd28 1994 base_vha->host_no, base_vha->device_flags));
1da177e4 1995
a1541d5a 1996 ret = -ENODEV;
1da177e4
LT		 1997 goto probe_failed;
1998 }
1999
7163ea81
AC		 2000 if (ha->mqenable) {
2001 if (qla25xx_setup_mode(base_vha)) {
68ca949c
AC		 2002 qla_printk(KERN_WARNING, ha,
2003 "Can't create queues, falling back to single"
2004 " queue mode\n");
7163ea81
AC		 2005 goto que_init;
2006 }
2007 }
68ca949c 2008
cbc8eb67
AV		 2009 if (ha->flags.running_gold_fw)
2010 goto skip_dpc;
2011
1da177e4
LT		 2012 /*
2013 * Startup the kernel thread for this host adapter
2014 */
39a11240 2015 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
e315cd28 2016 "%s_dpc", base_vha->host_str);
39a11240 2017 if (IS_ERR(ha->dpc_thread)) {
1da177e4
LT		 2018 qla_printk(KERN_WARNING, ha,
2019 "Unable to start DPC thread!\n");
39a11240 2020 ret = PTR_ERR(ha->dpc_thread);
1da177e4
LT		 2021 goto probe_failed;
2022 }
1da177e4 2023
cbc8eb67 2024skip_dpc:
e315cd28
AC		 2025 list_add_tail(&base_vha->list, &ha->vp_list);
2026 base_vha->host->irq = ha->pdev->irq;
1da177e4
LT		 2027
2028 /* Initialized the timer */
e315cd28 2029 qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
1da177e4
LT		 2030
2031 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
e315cd28 2032 base_vha->host_no, ha));
d19044c3 2033
a1541d5a
AV		 2034 ret = scsi_add_host(host, &pdev->dev);
2035 if (ret)
2036 goto probe_failed;
2037
1486400f
MR		 2038 base_vha->flags.init_done = 1;
2039 base_vha->flags.online = 1;
2040
048feec5
AV		 2041 ha->isp_ops->enable_intrs(ha);
2042
1e99e33a
AV		 2043 scsi_scan_host(host);
2044
e315cd28 2045 qla2x00_alloc_sysfs_attr(base_vha);
a1541d5a 2046
e315cd28 2047 qla2x00_init_host_attr(base_vha);
a1541d5a 2048
e315cd28 2049 qla2x00_dfs_setup(base_vha);
df613b96 2050
1da177e4
LT		 2051 qla_printk(KERN_INFO, ha, "\n"
2052 " QLogic Fibre Channel HBA Driver: %s\n"
2053 " QLogic %s - %s\n"
5433383e
AV		 2054 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
2055 qla2x00_version_str, ha->model_number,
e315cd28
AC		 2056 ha->model_desc ? ha->model_desc : "", pdev->device,
2057 ha->isp_ops->pci_info_str(base_vha, pci_info), pci_name(pdev),
2058 ha->flags.enable_64bit_addressing ? '+' : '-', base_vha->host_no,
2059 ha->isp_ops->fw_version_str(base_vha, fw_str));
1da177e4 2060
1da177e4
LT		 2061 return 0;
2062
6e9f21f3 2063probe_init_failed:
2afa19a9
AC		 2064 qla2x00_free_req_que(ha, req);
2065 qla2x00_free_rsp_que(ha, rsp);
2066 ha->max_req_queues = ha->max_rsp_queues = 0;
6e9f21f3 2067
1da177e4 2068probe_failed:
b9978769
AV		 2069 if (base_vha->timer_active)
2070 qla2x00_stop_timer(base_vha);
2071 base_vha->flags.online = 0;
2072 if (ha->dpc_thread) {
2073 struct task_struct *t = ha->dpc_thread;
2074
2075 ha->dpc_thread = NULL;
2076 kthread_stop(t);
2077 }
2078
e315cd28 2079 qla2x00_free_device(base_vha);
1da177e4 2080
e315cd28 2081 scsi_host_put(base_vha->host);
1da177e4 2082
e315cd28
AC		 2083probe_hw_failed:
2084 if (ha->iobase)
2085 iounmap(ha->iobase);
2086
2087 pci_release_selected_regions(ha->pdev, ha->bars);
2088 kfree(ha);
2089 ha = NULL;
1da177e4 2090
a1541d5a 2091probe_out:
e315cd28 2092 pci_disable_device(pdev);
a1541d5a 2093 return ret;
1da177e4 2094}
1da177e4 2095
4c993f76 2096static void
7ee61397 2097qla2x00_remove_one(struct pci_dev *pdev)
1da177e4 2098{
e315cd28
AC		 2099 scsi_qla_host_t *base_vha, *vha, *temp;
2100 struct qla_hw_data *ha;
2101
2102 base_vha = pci_get_drvdata(pdev);
2103 ha = base_vha->hw;
2104
2105 list_for_each_entry_safe(vha, temp, &ha->vp_list, list) {
2106 if (vha && vha->fc_vport)
2107 fc_vport_terminate(vha->fc_vport);
2108 }
1da177e4 2109
e315cd28 2110 set_bit(UNLOADING, &base_vha->dpc_flags);
1da177e4 2111
b9978769
AV		 2112 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
2113
e315cd28 2114 qla2x00_dfs_remove(base_vha);
c795c1e4 2115
e315cd28 2116 qla84xx_put_chip(base_vha);
c795c1e4 2117
b9978769
AV		 2118 /* Disable timer */
2119 if (base_vha->timer_active)
2120 qla2x00_stop_timer(base_vha);
2121
2122 base_vha->flags.online = 0;
2123
68ca949c
AC		 2124 /* Flush the work queue and remove it */
2125 if (ha->wq) {
2126 flush_workqueue(ha->wq);
2127 destroy_workqueue(ha->wq);
2128 ha->wq = NULL;
2129 }
2130
b9978769
AV		 2131 /* Kill the kernel thread for this host */
2132 if (ha->dpc_thread) {
2133 struct task_struct *t = ha->dpc_thread;
2134
2135 /*
2136 * qla2xxx_wake_dpc checks for ->dpc_thread
2137 * so we need to zero it out.
2138 */
2139 ha->dpc_thread = NULL;
2140 kthread_stop(t);
2141 }
2142
e315cd28 2143 qla2x00_free_sysfs_attr(base_vha);
df613b96 2144
e315cd28 2145 fc_remove_host(base_vha->host);
4d4df193 2146
e315cd28 2147 scsi_remove_host(base_vha->host);
1da177e4 2148
e315cd28 2149 qla2x00_free_device(base_vha);
bdf79621 2150
e315cd28 2151 scsi_host_put(base_vha->host);
1da177e4 2152
e315cd28
AC		 2153 if (ha->iobase)
2154 iounmap(ha->iobase);
1da177e4 2155
73208dfd
AC		 2156 if (ha->mqiobase)
2157 iounmap(ha->mqiobase);
2158
e315cd28
AC		 2159 pci_release_selected_regions(ha->pdev, ha->bars);
2160 kfree(ha);
2161 ha = NULL;
1da177e4 2162
90a86fc0
JC		 2163 pci_disable_pcie_error_reporting(pdev);
2164
665db93b 2165 pci_disable_device(pdev);
1da177e4
LT		 2166 pci_set_drvdata(pdev, NULL);
2167}
1da177e4
LT		 2168
2169static void
e315cd28 2170qla2x00_free_device(scsi_qla_host_t *vha)
1da177e4 2171{
e315cd28 2172 struct qla_hw_data *ha = vha->hw;
1da177e4 2173
85880801
AV		 2174 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
2175
2176 /* Disable timer */
2177 if (vha->timer_active)
2178 qla2x00_stop_timer(vha);
2179
2180 /* Kill the kernel thread for this host */
2181 if (ha->dpc_thread) {
2182 struct task_struct *t = ha->dpc_thread;
2183
2184 /*
2185 * qla2xxx_wake_dpc checks for ->dpc_thread
2186 * so we need to zero it out.
2187 */
2188 ha->dpc_thread = NULL;
2189 kthread_stop(t);
2190 }
2191
2afa19a9
AC		 2192 qla25xx_delete_queues(vha);
2193
df613b96 2194 if (ha->flags.fce_enabled)
e315cd28 2195 qla2x00_disable_fce_trace(vha, NULL, NULL);
df613b96 2196
a7a167bf 2197 if (ha->eft)
e315cd28 2198 qla2x00_disable_eft_trace(vha);
a7a167bf 2199
f6ef3b18 2200 /* Stop currently executing firmware. */
e315cd28 2201 qla2x00_try_to_stop_firmware(vha);
1da177e4 2202
85880801
AV		 2203 vha->flags.online = 0;
2204
f6ef3b18
AV		 2205 /* turn-off interrupts on the card */
2206 if (ha->interrupts_on)
fd34f556 2207 ha->isp_ops->disable_intrs(ha);
f6ef3b18 2208
e315cd28 2209 qla2x00_free_irqs(vha);
1da177e4 2210
e315cd28 2211 qla2x00_mem_free(ha);
73208dfd
AC		 2212
2213 qla2x00_free_queues(ha);
1da177e4
LT		 2214}
2215
d97994dc 2216static inline void
e315cd28 2217qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
d97994dc
AV		 2218 int defer)
2219{
d97994dc 2220 struct fc_rport *rport;
67becc00 2221 scsi_qla_host_t *base_vha;
d97994dc
AV		 2222
2223 if (!fcport->rport)
2224 return;
2225
2226 rport = fcport->rport;
2227 if (defer) {
67becc00 2228 base_vha = pci_get_drvdata(vha->hw->pdev);
e315cd28 2229 spin_lock_irq(vha->host->host_lock);
d97994dc 2230 fcport->drport = rport;
e315cd28 2231 spin_unlock_irq(vha->host->host_lock);
67becc00
AV		 2232 set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
2233 qla2xxx_wake_dpc(base_vha);
5f3a9a20 2234 } else
d97994dc 2235 fc_remote_port_delete(rport);
d97994dc
AV		 2236}
2237
1da177e4
LT		 2238/*
2239 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
2240 *
2241 * Input: ha = adapter block pointer. fcport = port structure pointer.
2242 *
2243 * Return: None.
2244 *
2245 * Context:
2246 */
e315cd28 2247void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
d97994dc 2248 int do_login, int defer)
1da177e4 2249{
2c3dfe3f 2250 if (atomic_read(&fcport->state) == FCS_ONLINE &&
e315cd28
AC		 2251 vha->vp_idx == fcport->vp_idx) {
2252 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2253 qla2x00_schedule_rport_del(vha, fcport, defer);
2254 }
fa2a1ce5 2255 /*
1da177e4
LT		 2256 * We may need to retry the login, so don't change the state of the
2257 * port but do the retries.
2258 */
2259 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
2260 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2261
2262 if (!do_login)
2263 return;
2264
2265 if (fcport->login_retry == 0) {
e315cd28
AC		 2266 fcport->login_retry = vha->hw->login_retry_count;
2267 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1da177e4
LT		 2268
2269 DEBUG(printk("scsi(%ld): Port login retry: "
2270 "%02x%02x%02x%02x%02x%02x%02x%02x, "
2271 "id = 0x%04x retry cnt=%d\n",
e315cd28 2272 vha->host_no,
1da177e4
LT		 2273 fcport->port_name[0],
2274 fcport->port_name[1],
2275 fcport->port_name[2],
2276 fcport->port_name[3],
2277 fcport->port_name[4],
2278 fcport->port_name[5],
2279 fcport->port_name[6],
2280 fcport->port_name[7],
2281 fcport->loop_id,
2282 fcport->login_retry));
2283 }
2284}
2285
2286/*
2287 * qla2x00_mark_all_devices_lost
2288 * Updates fcport state when device goes offline.
2289 *
2290 * Input:
2291 * ha = adapter block pointer.
2292 * fcport = port structure pointer.
2293 *
2294 * Return:
2295 * None.
2296 *
2297 * Context:
2298 */
2299void
e315cd28 2300qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
1da177e4
LT		 2301{
2302 fc_port_t *fcport;
2303
e315cd28 2304 list_for_each_entry(fcport, &vha->vp_fcports, list) {
0d6e61bc 2305 if (vha->vp_idx != 0 && vha->vp_idx != fcport->vp_idx)
1da177e4 2306 continue;
0d6e61bc 2307
1da177e4
LT		 2308 /*
2309 * No point in marking the device as lost, if the device is
2310 * already DEAD.
2311 */
2312 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
2313 continue;
e315cd28 2314 if (atomic_read(&fcport->state) == FCS_ONLINE) {
0d6e61bc
AV		 2315 if (defer)
2316 qla2x00_schedule_rport_del(vha, fcport, defer);
2317 else if (vha->vp_idx == fcport->vp_idx)
2318 qla2x00_schedule_rport_del(vha, fcport, defer);
2319 }
2320 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1da177e4
LT		 2321 }
2322}
2323
2324/*
2325* qla2x00_mem_alloc
2326* Allocates adapter memory.
2327*
2328* Returns:
2329* 0 = success.
e8711085 2330* !0 = failure.
1da177e4 2331*/
e8711085 2332static int
73208dfd
AC		 2333qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
2334 struct req_que **req, struct rsp_que **rsp)
1da177e4
LT		 2335{
2336 char name[16];
1da177e4 2337
e8711085 2338 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
e315cd28 2339 &ha->init_cb_dma, GFP_KERNEL);
e8711085 2340 if (!ha->init_cb)
e315cd28 2341 goto fail;
e8711085 2342
e315cd28
AC		 2343 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2344 &ha->gid_list_dma, GFP_KERNEL);
2345 if (!ha->gid_list)
e8711085 2346 goto fail_free_init_cb;
1da177e4 2347
e8711085
AV		 2348 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2349 if (!ha->srb_mempool)
e315cd28 2350 goto fail_free_gid_list;
e8711085
AV		 2351
2352 /* Get memory for cached NVRAM */
2353 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2354 if (!ha->nvram)
2355 goto fail_free_srb_mempool;
2356
e315cd28
AC		 2357 snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
2358 ha->pdev->device);
2359 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2360 DMA_POOL_SIZE, 8, 0);
2361 if (!ha->s_dma_pool)
2362 goto fail_free_nvram;
2363
e8711085
AV		 2364 /* Allocate memory for SNS commands */
2365 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
e315cd28 2366 /* Get consistent memory allocated for SNS commands */
e8711085 2367 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
e315cd28 2368 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
e8711085 2369 if (!ha->sns_cmd)
e315cd28 2370 goto fail_dma_pool;
e8711085 2371 } else {
e315cd28 2372 /* Get consistent memory allocated for MS IOCB */
e8711085 2373 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
e315cd28 2374 &ha->ms_iocb_dma);
e8711085 2375 if (!ha->ms_iocb)
e315cd28
AC		 2376 goto fail_dma_pool;
2377 /* Get consistent memory allocated for CT SNS commands */
e8711085 2378 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
e315cd28 2379 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
e8711085
AV		 2380 if (!ha->ct_sns)
2381 goto fail_free_ms_iocb;
1da177e4
LT		 2382 }
2383
e315cd28 2384 /* Allocate memory for request ring */
73208dfd
AC		 2385 *req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
2386 if (!*req) {
e315cd28
AC		 2387 DEBUG(printk("Unable to allocate memory for req\n"));
2388 goto fail_req;
2389 }
73208dfd
AC		 2390 (*req)->length = req_len;
2391 (*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
2392 ((*req)->length + 1) * sizeof(request_t),
2393 &(*req)->dma, GFP_KERNEL);
2394 if (!(*req)->ring) {
e315cd28
AC		 2395 DEBUG(printk("Unable to allocate memory for req_ring\n"));
2396 goto fail_req_ring;
2397 }
2398 /* Allocate memory for response ring */
73208dfd
AC		 2399 *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
2400 if (!*rsp) {
2401 qla_printk(KERN_WARNING, ha,
2402 "Unable to allocate memory for rsp\n");
e315cd28
AC		 2403 goto fail_rsp;
2404 }
73208dfd
AC		 2405 (*rsp)->hw = ha;
2406 (*rsp)->length = rsp_len;
2407 (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
2408 ((*rsp)->length + 1) * sizeof(response_t),
2409 &(*rsp)->dma, GFP_KERNEL);
2410 if (!(*rsp)->ring) {
2411 qla_printk(KERN_WARNING, ha,
2412 "Unable to allocate memory for rsp_ring\n");
e315cd28
AC		 2413 goto fail_rsp_ring;
2414 }
73208dfd
AC		 2415 (*req)->rsp = *rsp;
2416 (*rsp)->req = *req;
2417 /* Allocate memory for NVRAM data for vports */
2418 if (ha->nvram_npiv_size) {
2419 ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
2420 ha->nvram_npiv_size, GFP_KERNEL);
2421 if (!ha->npiv_info) {
2422 qla_printk(KERN_WARNING, ha,
2423 "Unable to allocate memory for npiv info\n");
2424 goto fail_npiv_info;
2425 }
2426 } else
2427 ha->npiv_info = NULL;
e8711085 2428
b64b0e8f
AV		 2429 /* Get consistent memory allocated for EX-INIT-CB. */
2430 if (IS_QLA81XX(ha)) {
2431 ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2432 &ha->ex_init_cb_dma);
2433 if (!ha->ex_init_cb)
2434 goto fail_ex_init_cb;
2435 }
2436
e315cd28
AC		 2437 INIT_LIST_HEAD(&ha->vp_list);
2438 return 1;
2439
b64b0e8f
AV		 2440fail_ex_init_cb:
2441 kfree(ha->npiv_info);
73208dfd
AC		 2442fail_npiv_info:
2443 dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
2444 sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
2445 (*rsp)->ring = NULL;
2446 (*rsp)->dma = 0;
e315cd28 2447fail_rsp_ring:
73208dfd 2448 kfree(*rsp);
e315cd28 2449fail_rsp:
73208dfd
AC		 2450 dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
2451 sizeof(request_t), (*req)->ring, (*req)->dma);
2452 (*req)->ring = NULL;
2453 (*req)->dma = 0;
e315cd28 2454fail_req_ring:
73208dfd 2455 kfree(*req);
e315cd28
AC		 2456fail_req:
2457 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2458 ha->ct_sns, ha->ct_sns_dma);
2459 ha->ct_sns = NULL;
2460 ha->ct_sns_dma = 0;
e8711085
AV		 2461fail_free_ms_iocb:
2462 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2463 ha->ms_iocb = NULL;
2464 ha->ms_iocb_dma = 0;
e315cd28
AC		 2465fail_dma_pool:
2466 dma_pool_destroy(ha->s_dma_pool);
2467 ha->s_dma_pool = NULL;
e8711085
AV		 2468fail_free_nvram:
2469 kfree(ha->nvram);
2470 ha->nvram = NULL;
2471fail_free_srb_mempool:
2472 mempool_destroy(ha->srb_mempool);
2473 ha->srb_mempool = NULL;
e8711085
AV		 2474fail_free_gid_list:
2475 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
e315cd28 2476 ha->gid_list_dma);
e8711085
AV		 2477 ha->gid_list = NULL;
2478 ha->gid_list_dma = 0;
e315cd28
AC		 2479fail_free_init_cb:
2480 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
2481 ha->init_cb_dma);
2482 ha->init_cb = NULL;
2483 ha->init_cb_dma = 0;
e8711085 2484fail:
e315cd28 2485 DEBUG(printk("%s: Memory allocation failure\n", __func__));
e8711085 2486 return -ENOMEM;
1da177e4
LT		 2487}
2488
2489/*
2490* qla2x00_mem_free
2491* Frees all adapter allocated memory.
2492*
2493* Input:
2494* ha = adapter block pointer.
2495*/
a824ebb3 2496static void
e315cd28 2497qla2x00_mem_free(struct qla_hw_data *ha)
1da177e4 2498{
e8711085
AV		 2499 if (ha->srb_mempool)
2500 mempool_destroy(ha->srb_mempool);
1da177e4 2501
df613b96
AV		 2502 if (ha->fce)
2503 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
e315cd28 2504 ha->fce_dma);
df613b96 2505
a7a167bf
AV		 2506 if (ha->fw_dump) {
2507 if (ha->eft)
2508 dma_free_coherent(&ha->pdev->dev,
e315cd28 2509 ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
a7a167bf
AV		 2510 vfree(ha->fw_dump);
2511 }
2512
11bbc1d8
AV		 2513 if (ha->dcbx_tlv)
2514 dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
2515 ha->dcbx_tlv, ha->dcbx_tlv_dma);
2516
ce0423f4
AV		 2517 if (ha->xgmac_data)
2518 dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
2519 ha->xgmac_data, ha->xgmac_data_dma);
2520
1da177e4
LT		 2521 if (ha->sns_cmd)
2522 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
e315cd28 2523 ha->sns_cmd, ha->sns_cmd_dma);
1da177e4
LT		 2524
2525 if (ha->ct_sns)
2526 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
e315cd28 2527 ha->ct_sns, ha->ct_sns_dma);
1da177e4 2528
88729e53
AV		 2529 if (ha->sfp_data)
2530 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2531
ad0ecd61
JC		 2532 if (ha->edc_data)
2533 dma_pool_free(ha->s_dma_pool, ha->edc_data, ha->edc_data_dma);
2534
1da177e4
LT		 2535 if (ha->ms_iocb)
2536 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2537
b64b0e8f
AV		 2538 if (ha->ex_init_cb)
2539 dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
2540
1da177e4
LT		 2541 if (ha->s_dma_pool)
2542 dma_pool_destroy(ha->s_dma_pool);
2543
1da177e4
LT		 2544 if (ha->gid_list)
2545 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
e315cd28 2546 ha->gid_list_dma);
1da177e4 2547
e315cd28
AC		 2548 if (ha->init_cb)
2549 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2550 ha->init_cb, ha->init_cb_dma);
2551 vfree(ha->optrom_buffer);
2552 kfree(ha->nvram);
73208dfd 2553 kfree(ha->npiv_info);
1da177e4 2554
e8711085 2555 ha->srb_mempool = NULL;
a7a167bf
AV		 2556 ha->eft = NULL;
2557 ha->eft_dma = 0;
1da177e4
LT		 2558 ha->sns_cmd = NULL;
2559 ha->sns_cmd_dma = 0;
2560 ha->ct_sns = NULL;
2561 ha->ct_sns_dma = 0;
2562 ha->ms_iocb = NULL;
2563 ha->ms_iocb_dma = 0;
1da177e4
LT		 2564 ha->init_cb = NULL;
2565 ha->init_cb_dma = 0;
b64b0e8f
AV		 2566 ha->ex_init_cb = NULL;
2567 ha->ex_init_cb_dma = 0;
1da177e4
LT		 2568
2569 ha->s_dma_pool = NULL;
2570
1da177e4
LT		 2571 ha->gid_list = NULL;
2572 ha->gid_list_dma = 0;
2573
e315cd28
AC		 2574 ha->fw_dump = NULL;
2575 ha->fw_dumped = 0;
2576 ha->fw_dump_reading = 0;
e315cd28 2577}
1da177e4 2578
e315cd28
AC		 2579struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
2580 struct qla_hw_data *ha)
2581{
2582 struct Scsi_Host *host;
2583 struct scsi_qla_host *vha = NULL;
854165f4 2584
e315cd28
AC		 2585 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
2586 if (host == NULL) {
2587 printk(KERN_WARNING
2588 "qla2xxx: Couldn't allocate host from scsi layer!\n");
2589 goto fail;
2590 }
2591
2592 /* Clear our data area */
2593 vha = shost_priv(host);
2594 memset(vha, 0, sizeof(scsi_qla_host_t));
2595
2596 vha->host = host;
2597 vha->host_no = host->host_no;
2598 vha->hw = ha;
2599
2600 INIT_LIST_HEAD(&vha->vp_fcports);
2601 INIT_LIST_HEAD(&vha->work_list);
2602 INIT_LIST_HEAD(&vha->list);
2603
f999f4c1
AV		 2604 spin_lock_init(&vha->work_lock);
2605
e315cd28
AC		 2606 sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
2607 return vha;
2608
2609fail:
2610 return vha;
1da177e4
LT		 2611}
2612
01ef66bb 2613static struct qla_work_evt *
f999f4c1 2614qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
0971de7f
AV		 2615{
2616 struct qla_work_evt *e;
2617
f999f4c1 2618 e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
0971de7f
AV		 2619 if (!e)
2620 return NULL;
2621
2622 INIT_LIST_HEAD(&e->list);
2623 e->type = type;
2624 e->flags = QLA_EVT_FLAG_FREE;
2625 return e;
2626}
2627
01ef66bb 2628static int
f999f4c1 2629qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
0971de7f 2630{
f999f4c1 2631 unsigned long flags;
0971de7f 2632
f999f4c1 2633 spin_lock_irqsave(&vha->work_lock, flags);
e315cd28 2634 list_add_tail(&e->list, &vha->work_list);
f999f4c1 2635 spin_unlock_irqrestore(&vha->work_lock, flags);
e315cd28 2636 qla2xxx_wake_dpc(vha);
f999f4c1 2637
0971de7f
AV		 2638 return QLA_SUCCESS;
2639}
2640
2641int
e315cd28 2642qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
0971de7f
AV		 2643 u32 data)
2644{
2645 struct qla_work_evt *e;
2646
f999f4c1 2647 e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
0971de7f
AV		 2648 if (!e)
2649 return QLA_FUNCTION_FAILED;
2650
2651 e->u.aen.code = code;
2652 e->u.aen.data = data;
f999f4c1 2653 return qla2x00_post_work(vha, e);
0971de7f
AV		 2654}
2655
8a659571
AV		 2656int
2657qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
2658{
2659 struct qla_work_evt *e;
2660
f999f4c1 2661 e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
8a659571
AV		 2662 if (!e)
2663 return QLA_FUNCTION_FAILED;
2664
2665 memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
f999f4c1 2666 return qla2x00_post_work(vha, e);
8a659571
AV		 2667}
2668
ac280b67
AV		 2669#define qla2x00_post_async_work(name, type) \
2670int qla2x00_post_async_##name##_work( \
2671 struct scsi_qla_host *vha, \
2672 fc_port_t *fcport, uint16_t *data) \
2673{ \
2674 struct qla_work_evt *e; \
2675 \
2676 e = qla2x00_alloc_work(vha, type); \
2677 if (!e) \
2678 return QLA_FUNCTION_FAILED; \
2679 \
2680 e->u.logio.fcport = fcport; \
2681 if (data) { \
2682 e->u.logio.data[0] = data[0]; \
2683 e->u.logio.data[1] = data[1]; \
2684 } \
2685 return qla2x00_post_work(vha, e); \
2686}
2687
2688qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
2689qla2x00_post_async_work(login_done, QLA_EVT_ASYNC_LOGIN_DONE);
2690qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
2691qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE);
2692
3420d36c
AV		 2693int
2694qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
2695{
2696 struct qla_work_evt *e;
2697
2698 e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
2699 if (!e)
2700 return QLA_FUNCTION_FAILED;
2701
2702 e->u.uevent.code = code;
2703 return qla2x00_post_work(vha, e);
2704}
2705
2706static void
2707qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
2708{
2709 char event_string[40];
2710 char *envp[] = { event_string, NULL };
2711
2712 switch (code) {
2713 case QLA_UEVENT_CODE_FW_DUMP:
2714 snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld",
2715 vha->host_no);
2716 break;
2717 default:
2718 /* do nothing */
2719 break;
2720 }
2721 kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
2722}
2723
ac280b67 2724void
e315cd28 2725qla2x00_do_work(struct scsi_qla_host *vha)
0971de7f 2726{
f999f4c1
AV		 2727 struct qla_work_evt *e, *tmp;
2728 unsigned long flags;
2729 LIST_HEAD(work);
0971de7f 2730
f999f4c1
AV		 2731 spin_lock_irqsave(&vha->work_lock, flags);
2732 list_splice_init(&vha->work_list, &work);
2733 spin_unlock_irqrestore(&vha->work_lock, flags);
2734
2735 list_for_each_entry_safe(e, tmp, &work, list) {
0971de7f 2736 list_del_init(&e->list);
0971de7f
AV		 2737
2738 switch (e->type) {
2739 case QLA_EVT_AEN:
e315cd28 2740 fc_host_post_event(vha->host, fc_get_event_number(),
0971de7f
AV		 2741 e->u.aen.code, e->u.aen.data);
2742 break;
8a659571
AV		 2743 case QLA_EVT_IDC_ACK:
2744 qla81xx_idc_ack(vha, e->u.idc_ack.mb);
2745 break;
ac280b67
AV		 2746 case QLA_EVT_ASYNC_LOGIN:
2747 qla2x00_async_login(vha, e->u.logio.fcport,
2748 e->u.logio.data);
2749 break;
2750 case QLA_EVT_ASYNC_LOGIN_DONE:
2751 qla2x00_async_login_done(vha, e->u.logio.fcport,
2752 e->u.logio.data);
2753 break;
2754 case QLA_EVT_ASYNC_LOGOUT:
2755 qla2x00_async_logout(vha, e->u.logio.fcport);
2756 break;
2757 case QLA_EVT_ASYNC_LOGOUT_DONE:
2758 qla2x00_async_logout_done(vha, e->u.logio.fcport,
2759 e->u.logio.data);
2760 break;
3420d36c
AV		 2761 case QLA_EVT_UEVENT:
2762 qla2x00_uevent_emit(vha, e->u.uevent.code);
2763 break;
0971de7f
AV		 2764 }
2765 if (e->flags & QLA_EVT_FLAG_FREE)
2766 kfree(e);
e315cd28 2767 }
e315cd28 2768}
f999f4c1 2769
e315cd28
AC		 2770/* Relogins all the fcports of a vport
2771 * Context: dpc thread
2772 */
2773void qla2x00_relogin(struct scsi_qla_host *vha)
2774{
2775 fc_port_t *fcport;
c6b2fca8 2776 int status;
e315cd28
AC		 2777 uint16_t next_loopid = 0;
2778 struct qla_hw_data *ha = vha->hw;
ac280b67 2779 uint16_t data[2];
e315cd28
AC		 2780
2781 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2782 /*
2783 * If the port is not ONLINE then try to login
2784 * to it if we haven't run out of retries.
2785 */
2786 if (atomic_read(&fcport->state) !=
2787 FCS_ONLINE && fcport->login_retry) {
2788
ac280b67 2789 fcport->login_retry--;
e315cd28 2790 if (fcport->flags & FCF_FABRIC_DEVICE) {
f08b7251 2791 if (fcport->flags & FCF_FCP2_DEVICE)
e315cd28
AC		 2792 ha->isp_ops->fabric_logout(vha,
2793 fcport->loop_id,
2794 fcport->d_id.b.domain,
2795 fcport->d_id.b.area,
2796 fcport->d_id.b.al_pa);
2797
ac280b67
AV		 2798 if (IS_ALOGIO_CAPABLE(ha)) {
2799 data[0] = 0;
2800 data[1] = QLA_LOGIO_LOGIN_RETRIED;
2801 status = qla2x00_post_async_login_work(
2802 vha, fcport, data);
2803 if (status == QLA_SUCCESS)
2804 continue;
2805 /* Attempt a retry. */
2806 status = 1;
2807 } else
2808 status = qla2x00_fabric_login(vha,
2809 fcport, &next_loopid);
e315cd28
AC		 2810 } else
2811 status = qla2x00_local_device_login(vha,
2812 fcport);
2813
e315cd28
AC		 2814 if (status == QLA_SUCCESS) {
2815 fcport->old_loop_id = fcport->loop_id;
2816
2817 DEBUG(printk("scsi(%ld): port login OK: logged "
2818 "in ID 0x%x\n", vha->host_no, fcport->loop_id));
2819
2820 qla2x00_update_fcport(vha, fcport);
2821
2822 } else if (status == 1) {
2823 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2824 /* retry the login again */
2825 DEBUG(printk("scsi(%ld): Retrying"
2826 " %d login again loop_id 0x%x\n",
2827 vha->host_no, fcport->login_retry,
2828 fcport->loop_id));
2829 } else {
2830 fcport->login_retry = 0;
2831 }
2832
2833 if (fcport->login_retry == 0 && status != QLA_SUCCESS)
2834 fcport->loop_id = FC_NO_LOOP_ID;
2835 }
2836 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2837 break;
0971de7f 2838 }
0971de7f
AV		 2839}
2840
1da177e4
LT		 2841/**************************************************************************
2842* qla2x00_do_dpc
2843* This kernel thread is a task that is schedule by the interrupt handler
2844* to perform the background processing for interrupts.
2845*
2846* Notes:
2847* This task always run in the context of a kernel thread. It
2848* is kick-off by the driver's detect code and starts up
2849* up one per adapter. It immediately goes to sleep and waits for
2850* some fibre event. When either the interrupt handler or
2851* the timer routine detects a event it will one of the task
2852* bits then wake us up.
2853**************************************************************************/
2854static int
2855qla2x00_do_dpc(void *data)
2856{
2c3dfe3f 2857 int rval;
e315cd28
AC		 2858 scsi_qla_host_t *base_vha;
2859 struct qla_hw_data *ha;
1da177e4 2860
e315cd28
AC		 2861 ha = (struct qla_hw_data *)data;
2862 base_vha = pci_get_drvdata(ha->pdev);
1da177e4 2863
1da177e4
LT		 2864 set_user_nice(current, -20);
2865
39a11240 2866 while (!kthread_should_stop()) {
1da177e4
LT		 2867 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2868
39a11240
CH		 2869 set_current_state(TASK_INTERRUPTIBLE);
2870 schedule();
2871 __set_current_state(TASK_RUNNING);
1da177e4
LT		 2872
2873 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2874
2875 /* Initialization not yet finished. Don't do anything yet. */
e315cd28 2876 if (!base_vha->flags.init_done)
1da177e4
LT		 2877 continue;
2878
85880801
AV		 2879 if (ha->flags.eeh_busy) {
2880 DEBUG17(qla_printk(KERN_WARNING, ha,
2881 "qla2x00_do_dpc: dpc_flags: %lx\n",
2882 base_vha->dpc_flags));
2883 continue;
2884 }
2885
e315cd28 2886 DEBUG3(printk("scsi(%ld): DPC handler\n", base_vha->host_no));
1da177e4
LT		 2887
2888 ha->dpc_active = 1;
2889
1da177e4 2890 if (ha->flags.mbox_busy) {
1da177e4
LT		 2891 ha->dpc_active = 0;
2892 continue;
2893 }
2894
e315cd28 2895 qla2x00_do_work(base_vha);
0971de7f 2896
e315cd28
AC		 2897 if (test_and_clear_bit(ISP_ABORT_NEEDED,
2898 &base_vha->dpc_flags)) {
1da177e4
LT		 2899
2900 DEBUG(printk("scsi(%ld): dpc: sched "
2901 "qla2x00_abort_isp ha = %p\n",
e315cd28 2902 base_vha->host_no, ha));
1da177e4 2903 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
e315cd28 2904 &base_vha->dpc_flags))) {
1da177e4 2905
e315cd28 2906 if (qla2x00_abort_isp(base_vha)) {
1da177e4
LT		 2907 /* failed. retry later */
2908 set_bit(ISP_ABORT_NEEDED,
e315cd28 2909 &base_vha->dpc_flags);
99363ef8 2910 }
e315cd28
AC		 2911 clear_bit(ABORT_ISP_ACTIVE,
2912 &base_vha->dpc_flags);
99363ef8
SJ		 2913 }
2914
1da177e4 2915 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
e315cd28 2916 base_vha->host_no));
1da177e4
LT		 2917 }
2918
e315cd28
AC		 2919 if (test_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags)) {
2920 qla2x00_update_fcports(base_vha);
2921 clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
c9c5ced9 2922 }
d97994dc 2923
e315cd28
AC		 2924 if (test_and_clear_bit(RESET_MARKER_NEEDED,
2925 &base_vha->dpc_flags) &&
2926 (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
1da177e4
LT		 2927
2928 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
e315cd28 2929 base_vha->host_no));
1da177e4 2930
e315cd28
AC		 2931 qla2x00_rst_aen(base_vha);
2932 clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
1da177e4
LT		 2933 }
2934
2935 /* Retry each device up to login retry count */
e315cd28
AC		 2936 if ((test_and_clear_bit(RELOGIN_NEEDED,
2937 &base_vha->dpc_flags)) &&
2938 !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
2939 atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
1da177e4
LT		 2940
2941 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
e315cd28
AC		 2942 base_vha->host_no));
2943 qla2x00_relogin(base_vha);
2944
1da177e4 2945 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
e315cd28 2946 base_vha->host_no));
1da177e4
LT		 2947 }
2948
e315cd28
AC		 2949 if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
2950 &base_vha->dpc_flags)) {
1da177e4
LT		 2951
2952 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
e315cd28 2953 base_vha->host_no));
1da177e4
LT		 2954
2955 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
e315cd28 2956 &base_vha->dpc_flags))) {
1da177e4 2957
e315cd28 2958 rval = qla2x00_loop_resync(base_vha);
1da177e4 2959
e315cd28
AC		 2960 clear_bit(LOOP_RESYNC_ACTIVE,
2961 &base_vha->dpc_flags);
1da177e4
LT		 2962 }
2963
2964 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
e315cd28 2965 base_vha->host_no));
1da177e4
LT		 2966 }
2967
e315cd28
AC		 2968 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
2969 atomic_read(&base_vha->loop_state) == LOOP_READY) {
2970 clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
2971 qla2xxx_flash_npiv_conf(base_vha);
272976ca
AV		 2972 }
2973
1da177e4 2974 if (!ha->interrupts_on)
fd34f556 2975 ha->isp_ops->enable_intrs(ha);
1da177e4 2976
e315cd28
AC		 2977 if (test_and_clear_bit(BEACON_BLINK_NEEDED,
2978 &base_vha->dpc_flags))
2979 ha->isp_ops->beacon_blink(base_vha);
f6df144c 2980
e315cd28 2981 qla2x00_do_dpc_all_vps(base_vha);
2c3dfe3f 2982
1da177e4
LT		 2983 ha->dpc_active = 0;
2984 } /* End of while(1) */
2985
e315cd28 2986 DEBUG(printk("scsi(%ld): DPC handler exiting\n", base_vha->host_no));
1da177e4
LT		 2987
2988 /*
2989 * Make sure that nobody tries to wake us up again.
2990 */
1da177e4
LT		 2991 ha->dpc_active = 0;
2992
ac280b67
AV		 2993 /* Cleanup any residual CTX SRBs. */
2994 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
2995
39a11240
CH		 2996 return 0;
2997}
2998
2999void
e315cd28 3000qla2xxx_wake_dpc(struct scsi_qla_host *vha)
39a11240 3001{
e315cd28 3002 struct qla_hw_data *ha = vha->hw;
c795c1e4
AV		 3003 struct task_struct *t = ha->dpc_thread;
3004
e315cd28 3005 if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
c795c1e4 3006 wake_up_process(t);
1da177e4
LT		 3007}
3008
1da177e4
LT		 3009/*
3010* qla2x00_rst_aen
3011* Processes asynchronous reset.
3012*
3013* Input:
3014* ha = adapter block pointer.
3015*/
3016static void
e315cd28 3017qla2x00_rst_aen(scsi_qla_host_t *vha)
1da177e4 3018{
e315cd28
AC		 3019 if (vha->flags.online && !vha->flags.reset_active &&
3020 !atomic_read(&vha->loop_down_timer) &&
3021 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
1da177e4 3022 do {
e315cd28 3023 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
1da177e4
LT		 3024
3025 /*
3026 * Issue marker command only when we are going to start
3027 * the I/O.
3028 */
e315cd28
AC		 3029 vha->marker_needed = 1;
3030 } while (!atomic_read(&vha->loop_down_timer) &&
3031 (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
1da177e4
LT		 3032 }
3033}
3034
f4f051eb 3035static void
e315cd28 3036qla2x00_sp_free_dma(srb_t *sp)
f4f051eb
AV		 3037{
3038 struct scsi_cmnd *cmd = sp->cmd;
3039
3040 if (sp->flags & SRB_DMA_VALID) {
385d70b4 3041 scsi_dma_unmap(cmd);
f4f051eb
AV		 3042 sp->flags &= ~SRB_DMA_VALID;
3043 }
fca29703 3044 CMD_SP(cmd) = NULL;
f4f051eb
AV		 3045}
3046
3047void
73208dfd 3048qla2x00_sp_compl(struct qla_hw_data *ha, srb_t *sp)
f4f051eb
AV		 3049{
3050 struct scsi_cmnd *cmd = sp->cmd;
3051
e315cd28 3052 qla2x00_sp_free_dma(sp);
f4f051eb 3053
f4f051eb
AV		 3054 mempool_free(sp, ha->srb_mempool);
3055
3056 cmd->scsi_done(cmd);
3057}
bdf79621 3058
1da177e4
LT		 3059/**************************************************************************
3060* qla2x00_timer
3061*
3062* Description:
3063* One second timer
3064*
3065* Context: Interrupt
3066***************************************************************************/
2c3dfe3f 3067void
e315cd28 3068qla2x00_timer(scsi_qla_host_t *vha)
1da177e4 3069{
1da177e4
LT		 3070 unsigned long cpu_flags = 0;
3071 fc_port_t *fcport;
1da177e4
LT		 3072 int start_dpc = 0;
3073 int index;
3074 srb_t *sp;
f4f051eb 3075 int t;
85880801 3076 uint16_t w;
e315cd28 3077 struct qla_hw_data *ha = vha->hw;
73208dfd 3078 struct req_que *req;
85880801
AV		 3079
3080 /* Hardware read to raise pending EEH errors during mailbox waits. */
3081 if (!pci_channel_offline(ha->pdev))
3082 pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
1da177e4
LT		 3083 /*
3084 * Ports - Port down timer.
3085 *
3086 * Whenever, a port is in the LOST state we start decrementing its port
3087 * down timer every second until it reaches zero. Once it reaches zero
fa2a1ce5 3088 * the port it marked DEAD.
1da177e4
LT		 3089 */
3090 t = 0;
e315cd28 3091 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1da177e4
LT		 3092 if (fcport->port_type != FCT_TARGET)
3093 continue;
3094
3095 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
3096
3097 if (atomic_read(&fcport->port_down_timer) == 0)
3098 continue;
3099
fa2a1ce5 3100 if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
1da177e4 3101 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
fa2a1ce5 3102
1da177e4 3103 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
fca29703 3104 "%d remaining\n",
e315cd28 3105 vha->host_no,
1da177e4
LT		 3106 t, atomic_read(&fcport->port_down_timer)));
3107 }
3108 t++;
3109 } /* End of for fcport */
3110
1da177e4
LT		 3111
3112 /* Loop down handler. */
e315cd28
AC		 3113 if (atomic_read(&vha->loop_down_timer) > 0 &&
3114 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
3115 && vha->flags.online) {
1da177e4 3116
e315cd28
AC		 3117 if (atomic_read(&vha->loop_down_timer) ==
3118 vha->loop_down_abort_time) {
1da177e4
LT		 3119
3120 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
3121 "queues before time expire\n",
e315cd28 3122 vha->host_no));
1da177e4 3123
e315cd28
AC		 3124 if (!IS_QLA2100(ha) && vha->link_down_timeout)
3125 atomic_set(&vha->loop_state, LOOP_DEAD);
1da177e4 3126
f08b7251
AV		 3127 /*
3128 * Schedule an ISP abort to return any FCP2-device
3129 * commands.
3130 */
2c3dfe3f 3131 /* NPIV - scan physical port only */
e315cd28 3132 if (!vha->vp_idx) {
2c3dfe3f
SJ		 3133 spin_lock_irqsave(&ha->hardware_lock,
3134 cpu_flags);
73208dfd 3135 req = ha->req_q_map[0];
2c3dfe3f
SJ		 3136 for (index = 1;
3137 index < MAX_OUTSTANDING_COMMANDS;
3138 index++) {
3139 fc_port_t *sfcp;
3140
e315cd28 3141 sp = req->outstanding_cmds[index];
2c3dfe3f
SJ		 3142 if (!sp)
3143 continue;
cf53b069
AV		 3144 if (sp->ctx)
3145 continue;
2c3dfe3f 3146 sfcp = sp->fcport;
f08b7251 3147 if (!(sfcp->flags & FCF_FCP2_DEVICE))
2c3dfe3f 3148 continue;
bdf79621 3149
2c3dfe3f 3150 set_bit(ISP_ABORT_NEEDED,
e315cd28 3151 &vha->dpc_flags);
2c3dfe3f
SJ		 3152 break;
3153 }
3154 spin_unlock_irqrestore(&ha->hardware_lock,
e315cd28 3155 cpu_flags);
1da177e4 3156 }
1da177e4
LT		 3157 start_dpc++;
3158 }
3159
3160 /* if the loop has been down for 4 minutes, reinit adapter */
e315cd28 3161 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
0d6e61bc 3162 if (!(vha->device_flags & DFLG_NO_CABLE)) {
1da177e4
LT		 3163 DEBUG(printk("scsi(%ld): Loop down - "
3164 "aborting ISP.\n",
e315cd28 3165 vha->host_no));
1da177e4
LT		 3166 qla_printk(KERN_WARNING, ha,
3167 "Loop down - aborting ISP.\n");
3168
e315cd28 3169 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 3170 }
3171 }
fca29703 3172 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
e315cd28
AC		 3173 vha->host_no,
3174 atomic_read(&vha->loop_down_timer)));
1da177e4
LT		 3175 }
3176
f6df144c
AV		 3177 /* Check if beacon LED needs to be blinked */
3178 if (ha->beacon_blink_led == 1) {
e315cd28 3179 set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
f6df144c
AV		 3180 start_dpc++;
3181 }
3182
550bf57d 3183 /* Process any deferred work. */
e315cd28 3184 if (!list_empty(&vha->work_list))
550bf57d
AV		 3185 start_dpc++;
3186
1da177e4 3187 /* Schedule the DPC routine if needed */
e315cd28
AC		 3188 if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
3189 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
3190 test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
1da177e4 3191 start_dpc ||
e315cd28
AC		 3192 test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
3193 test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
3194 test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
3195 test_bit(RELOGIN_NEEDED, &vha->dpc_flags)))
3196 qla2xxx_wake_dpc(vha);
1da177e4 3197
e315cd28 3198 qla2x00_restart_timer(vha, WATCH_INTERVAL);
1da177e4
LT		 3199}
3200
5433383e
AV		 3201/* Firmware interface routines. */
3202
3a03eb79 3203#define FW_BLOBS 7
5433383e
AV		 3204#define FW_ISP21XX 0
3205#define FW_ISP22XX 1
3206#define FW_ISP2300 2
3207#define FW_ISP2322 3
48c02fde 3208#define FW_ISP24XX 4
c3a2f0df 3209#define FW_ISP25XX 5
3a03eb79 3210#define FW_ISP81XX 6
5433383e 3211
bb8ee499
AV		 3212#define FW_FILE_ISP21XX "ql2100_fw.bin"
3213#define FW_FILE_ISP22XX "ql2200_fw.bin"
3214#define FW_FILE_ISP2300 "ql2300_fw.bin"
3215#define FW_FILE_ISP2322 "ql2322_fw.bin"
3216#define FW_FILE_ISP24XX "ql2400_fw.bin"
c3a2f0df 3217#define FW_FILE_ISP25XX "ql2500_fw.bin"
3a03eb79 3218#define FW_FILE_ISP81XX "ql8100_fw.bin"
bb8ee499 3219
e1e82b6f 3220static DEFINE_MUTEX(qla_fw_lock);
5433383e
AV		 3221
3222static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
bb8ee499
AV		 3223 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
3224 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
3225 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
3226 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
3227 { .name = FW_FILE_ISP24XX, },
c3a2f0df 3228 { .name = FW_FILE_ISP25XX, },
3a03eb79 3229 { .name = FW_FILE_ISP81XX, },
5433383e
AV		 3230};
3231
3232struct fw_blob *
e315cd28 3233qla2x00_request_firmware(scsi_qla_host_t *vha)
5433383e 3234{
e315cd28 3235 struct qla_hw_data *ha = vha->hw;
5433383e
AV		 3236 struct fw_blob *blob;
3237
3238 blob = NULL;
3239 if (IS_QLA2100(ha)) {
3240 blob = &qla_fw_blobs[FW_ISP21XX];
3241 } else if (IS_QLA2200(ha)) {
3242 blob = &qla_fw_blobs[FW_ISP22XX];
48c02fde 3243 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
5433383e 3244 blob = &qla_fw_blobs[FW_ISP2300];
48c02fde 3245 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
5433383e 3246 blob = &qla_fw_blobs[FW_ISP2322];
4d4df193 3247 } else if (IS_QLA24XX_TYPE(ha)) {
5433383e 3248 blob = &qla_fw_blobs[FW_ISP24XX];
c3a2f0df
AV		 3249 } else if (IS_QLA25XX(ha)) {
3250 blob = &qla_fw_blobs[FW_ISP25XX];
3a03eb79
AV		 3251 } else if (IS_QLA81XX(ha)) {
3252 blob = &qla_fw_blobs[FW_ISP81XX];
5433383e
AV		 3253 }
3254
e1e82b6f 3255 mutex_lock(&qla_fw_lock);
5433383e
AV		 3256 if (blob->fw)
3257 goto out;
3258
3259 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
3260 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
e315cd28 3261 "(%s).\n", vha->host_no, blob->name));
5433383e
AV		 3262 blob->fw = NULL;
3263 blob = NULL;
3264 goto out;
3265 }
3266
3267out:
e1e82b6f 3268 mutex_unlock(&qla_fw_lock);
5433383e
AV		 3269 return blob;
3270}
3271
3272static void
3273qla2x00_release_firmware(void)
3274{
3275 int idx;
3276
e1e82b6f 3277 mutex_lock(&qla_fw_lock);
5433383e
AV		 3278 for (idx = 0; idx < FW_BLOBS; idx++)
3279 if (qla_fw_blobs[idx].fw)
3280 release_firmware(qla_fw_blobs[idx].fw);
e1e82b6f 3281 mutex_unlock(&qla_fw_lock);
5433383e
AV		 3282}
3283
14e660e6
SJ		 3284static pci_ers_result_t
3285qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
3286{
85880801
AV		 3287 scsi_qla_host_t *vha = pci_get_drvdata(pdev);
3288 struct qla_hw_data *ha = vha->hw;
3289
3290 DEBUG2(qla_printk(KERN_WARNING, ha, "error_detected:state %x\n",
3291 state));
b9b12f73 3292
14e660e6
SJ		 3293 switch (state) {
3294 case pci_channel_io_normal:
85880801 3295 ha->flags.eeh_busy = 0;
14e660e6
SJ		 3296 return PCI_ERS_RESULT_CAN_RECOVER;
3297 case pci_channel_io_frozen:
85880801 3298 ha->flags.eeh_busy = 1;
90a86fc0 3299 qla2x00_free_irqs(vha);
14e660e6
SJ		 3300 pci_disable_device(pdev);
3301 return PCI_ERS_RESULT_NEED_RESET;
3302 case pci_channel_io_perm_failure:
85880801
AV		 3303 ha->flags.pci_channel_io_perm_failure = 1;
3304 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
14e660e6
SJ		 3305 return PCI_ERS_RESULT_DISCONNECT;
3306 }
3307 return PCI_ERS_RESULT_NEED_RESET;
3308}
3309
3310static pci_ers_result_t
3311qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
3312{
3313 int risc_paused = 0;
3314 uint32_t stat;
3315 unsigned long flags;
e315cd28
AC		 3316 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3317 struct qla_hw_data *ha = base_vha->hw;
14e660e6
SJ		 3318 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3319 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
3320
3321 spin_lock_irqsave(&ha->hardware_lock, flags);
3322 if (IS_QLA2100(ha) || IS_QLA2200(ha)){
3323 stat = RD_REG_DWORD(&reg->hccr);
3324 if (stat & HCCR_RISC_PAUSE)
3325 risc_paused = 1;
3326 } else if (IS_QLA23XX(ha)) {
3327 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
3328 if (stat & HSR_RISC_PAUSED)
3329 risc_paused = 1;
3330 } else if (IS_FWI2_CAPABLE(ha)) {
3331 stat = RD_REG_DWORD(&reg24->host_status);
3332 if (stat & HSRX_RISC_PAUSED)
3333 risc_paused = 1;
3334 }
3335 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3336
3337 if (risc_paused) {
3338 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
3339 "Dumping firmware!\n");
e315cd28 3340 ha->isp_ops->fw_dump(base_vha, 0);
14e660e6
SJ		 3341
3342 return PCI_ERS_RESULT_NEED_RESET;
3343 } else
3344 return PCI_ERS_RESULT_RECOVERED;
3345}
3346
3347static pci_ers_result_t
3348qla2xxx_pci_slot_reset(struct pci_dev *pdev)
3349{
3350 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
e315cd28
AC		 3351 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3352 struct qla_hw_data *ha = base_vha->hw;
90a86fc0
JC		 3353 struct rsp_que *rsp;
3354 int rc, retries = 10;
09483916 3355
85880801
AV		 3356 DEBUG17(qla_printk(KERN_WARNING, ha, "slot_reset\n"));
3357
90a86fc0
JC		 3358 /* Workaround: qla2xxx driver which access hardware earlier
3359 * needs error state to be pci_channel_io_online.
3360 * Otherwise mailbox command timesout.
3361 */
3362 pdev->error_state = pci_channel_io_normal;
3363
3364 pci_restore_state(pdev);
3365
8c1496bd
RL		 3366 /* pci_restore_state() clears the saved_state flag of the device
3367 * save restored state which resets saved_state flag
3368 */
3369 pci_save_state(pdev);
3370
09483916
BH		 3371 if (ha->mem_only)
3372 rc = pci_enable_device_mem(pdev);
3373 else
3374 rc = pci_enable_device(pdev);
14e660e6 3375
09483916 3376 if (rc) {
14e660e6
SJ		 3377 qla_printk(KERN_WARNING, ha,
3378 "Can't re-enable PCI device after reset.\n");
14e660e6
SJ		 3379 return ret;
3380 }
14e660e6 3381
90a86fc0
JC		 3382 rsp = ha->rsp_q_map[0];
3383 if (qla2x00_request_irqs(ha, rsp))
3384 return ret;
3385
e315cd28 3386 if (ha->isp_ops->pci_config(base_vha))
14e660e6
SJ		 3387 return ret;
3388
90a86fc0
JC		 3389 while (ha->flags.mbox_busy && retries--)
3390 msleep(1000);
85880801 3391
e315cd28
AC		 3392 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3393 if (qla2x00_abort_isp(base_vha) == QLA_SUCCESS)
14e660e6 3394 ret = PCI_ERS_RESULT_RECOVERED;
e315cd28 3395 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
14e660e6 3396
90a86fc0
JC		 3397 pci_cleanup_aer_uncorrect_error_status(pdev);
3398
85880801
AV		 3399 DEBUG17(qla_printk(KERN_WARNING, ha,
3400 "slot_reset-return:ret=%x\n", ret));
3401
14e660e6
SJ		 3402 return ret;
3403}
3404
3405static void
3406qla2xxx_pci_resume(struct pci_dev *pdev)
3407{
e315cd28
AC		 3408 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3409 struct qla_hw_data *ha = base_vha->hw;
14e660e6
SJ		 3410 int ret;
3411
85880801
AV		 3412 DEBUG17(qla_printk(KERN_WARNING, ha, "pci_resume\n"));
3413
e315cd28 3414 ret = qla2x00_wait_for_hba_online(base_vha);
14e660e6
SJ		 3415 if (ret != QLA_SUCCESS) {
3416 qla_printk(KERN_ERR, ha,
3417 "the device failed to resume I/O "
3418 "from slot/link_reset");
3419 }
85880801
AV		 3420
3421 ha->flags.eeh_busy = 0;
14e660e6
SJ		 3422}
3423
3424static struct pci_error_handlers qla2xxx_err_handler = {
3425 .error_detected = qla2xxx_pci_error_detected,
3426 .mmio_enabled = qla2xxx_pci_mmio_enabled,
3427 .slot_reset = qla2xxx_pci_slot_reset,
3428 .resume = qla2xxx_pci_resume,
3429};
3430
5433383e 3431static struct pci_device_id qla2xxx_pci_tbl[] = {
47f5e069
AV		 3432 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
3433 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
3434 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
3435 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
3436 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
3437 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
3438 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
3439 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
3440 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
4d4df193 3441 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
47f5e069
AV		 3442 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
3443 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
c3a2f0df 3444 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
3a03eb79 3445 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
5433383e
AV		 3446 { 0 },
3447};
3448MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
3449
fca29703 3450static struct pci_driver qla2xxx_pci_driver = {
cb63067a 3451 .name = QLA2XXX_DRIVER_NAME,
0a21ef1e
JB		 3452 .driver = {
3453 .owner = THIS_MODULE,
3454 },
fca29703 3455 .id_table = qla2xxx_pci_tbl,
7ee61397 3456 .probe = qla2x00_probe_one,
4c993f76 3457 .remove = qla2x00_remove_one,
14e660e6 3458 .err_handler = &qla2xxx_err_handler,
fca29703
AV		 3459};
3460
1da177e4
LT		 3461/**
3462 * qla2x00_module_init - Module initialization.
3463 **/
3464static int __init
3465qla2x00_module_init(void)
3466{
fca29703
AV		 3467 int ret = 0;
3468
1da177e4 3469 /* Allocate cache for SRBs. */
354d6b21 3470 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
20c2df83 3471 SLAB_HWCACHE_ALIGN, NULL);
1da177e4
LT		 3472 if (srb_cachep == NULL) {
3473 printk(KERN_ERR
3474 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
3475 return -ENOMEM;
3476 }
3477
3478 /* Derive version string. */
3479 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
11010fec 3480 if (ql2xextended_error_logging)
0181944f
AV		 3481 strcat(qla2x00_version_str, "-debug");
3482
1c97a12a
AV		 3483 qla2xxx_transport_template =
3484 fc_attach_transport(&qla2xxx_transport_functions);
2c3dfe3f
SJ		 3485 if (!qla2xxx_transport_template) {
3486 kmem_cache_destroy(srb_cachep);
1da177e4 3487 return -ENODEV;
2c3dfe3f
SJ		 3488 }
3489 qla2xxx_transport_vport_template =
3490 fc_attach_transport(&qla2xxx_transport_vport_functions);
3491 if (!qla2xxx_transport_vport_template) {
3492 kmem_cache_destroy(srb_cachep);
3493 fc_release_transport(qla2xxx_transport_template);
1da177e4 3494 return -ENODEV;
2c3dfe3f 3495 }
1da177e4 3496
fd9a29f0
AV		 3497 printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n",
3498 qla2x00_version_str);
7ee61397 3499 ret = pci_register_driver(&qla2xxx_pci_driver);
fca29703
AV		 3500 if (ret) {
3501 kmem_cache_destroy(srb_cachep);
3502 fc_release_transport(qla2xxx_transport_template);
2c3dfe3f 3503 fc_release_transport(qla2xxx_transport_vport_template);
fca29703
AV		 3504 }
3505 return ret;
1da177e4
LT		 3506}
3507
3508/**
3509 * qla2x00_module_exit - Module cleanup.
3510 **/
3511static void __exit
3512qla2x00_module_exit(void)
3513{
7ee61397 3514 pci_unregister_driver(&qla2xxx_pci_driver);
5433383e 3515 qla2x00_release_firmware();
354d6b21 3516 kmem_cache_destroy(srb_cachep);
1da177e4 3517 fc_release_transport(qla2xxx_transport_template);
2c3dfe3f 3518 fc_release_transport(qla2xxx_transport_vport_template);
1da177e4
LT		 3519}
3520
3521module_init(qla2x00_module_init);
3522module_exit(qla2x00_module_exit);
3523
3524MODULE_AUTHOR("QLogic Corporation");
3525MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
3526MODULE_LICENSE("GPL");
3527MODULE_VERSION(QLA2XXX_VERSION);
bb8ee499
AV		 3528MODULE_FIRMWARE(FW_FILE_ISP21XX);
3529MODULE_FIRMWARE(FW_FILE_ISP22XX);
3530MODULE_FIRMWARE(FW_FILE_ISP2300);
3531MODULE_FIRMWARE(FW_FILE_ISP2322);
3532MODULE_FIRMWARE(FW_FILE_ISP24XX);
61623fc3 3533MODULE_FIRMWARE(FW_FILE_ISP25XX);
kernel source for telekom puls (alcatel/mediatek)