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[SCSI] qla2xxx: Code changes for qla data structure refactoring
[net-next-2.6.git] / drivers / scsi / qla2xxx / qla_os.c
CommitLineData
1da177e4 1/*
fa90c54f 2 * QLogic Fibre Channel HBA Driver
01e58d8e 3 * Copyright (c) 2003-2008 QLogic Corporation
1da177e4 4 *
fa90c54f 5 * See LICENSE.qla2xxx for copyright and licensing details.
1da177e4
LT		 6 */
7#include "qla_def.h"
8
9#include <linux/moduleparam.h>
10#include <linux/vmalloc.h>
1da177e4 11#include <linux/delay.h>
39a11240 12#include <linux/kthread.h>
e1e82b6f 13#include <linux/mutex.h>
1da177e4
LT		 14
15#include <scsi/scsi_tcq.h>
16#include <scsi/scsicam.h>
17#include <scsi/scsi_transport.h>
18#include <scsi/scsi_transport_fc.h>
19
20/*
21 * Driver version
22 */
23char qla2x00_version_str[40];
24
25/*
26 * SRB allocation cache
27 */
e18b890b 28static struct kmem_cache *srb_cachep;
1da177e4 29
1da177e4
LT		 30int ql2xlogintimeout = 20;
31module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR);
32MODULE_PARM_DESC(ql2xlogintimeout,
33 "Login timeout value in seconds.");
34
a7b61842 35int qlport_down_retry;
1da177e4
LT		 36module_param(qlport_down_retry, int, S_IRUGO|S_IRUSR);
37MODULE_PARM_DESC(qlport_down_retry,
900d9f98 38 "Maximum number of command retries to a port that returns "
1da177e4
LT		 39 "a PORT-DOWN status.");
40
1da177e4
LT		 41int ql2xplogiabsentdevice;
42module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
43MODULE_PARM_DESC(ql2xplogiabsentdevice,
44 "Option to enable PLOGI to devices that are not present after "
900d9f98 45 "a Fabric scan. This is needed for several broken switches. "
1da177e4
LT		 46 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
47
1da177e4
LT		 48int ql2xloginretrycount = 0;
49module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR);
50MODULE_PARM_DESC(ql2xloginretrycount,
51 "Specify an alternate value for the NVRAM login retry count.");
52
a7a167bf
AV		 53int ql2xallocfwdump = 1;
54module_param(ql2xallocfwdump, int, S_IRUGO|S_IRUSR);
55MODULE_PARM_DESC(ql2xallocfwdump,
56 "Option to enable allocation of memory for a firmware dump "
57 "during HBA initialization. Memory allocation requirements "
58 "vary by ISP type. Default is 1 - allocate memory.");
59
11010fec 60int ql2xextended_error_logging;
27d94035 61module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
11010fec 62MODULE_PARM_DESC(ql2xextended_error_logging,
0181944f
AV		 63 "Option to enable extended error logging, "
64 "Default is 0 - no logging. 1 - log errors.");
65
1da177e4
LT		 66static void qla2x00_free_device(scsi_qla_host_t *);
67
68static void qla2x00_config_dma_addressing(scsi_qla_host_t *ha);
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
82int ql2xqfullrampup = 120;
83module_param(ql2xqfullrampup, int, S_IRUGO|S_IWUSR);
84MODULE_PARM_DESC(ql2xqfullrampup,
85 "Number of seconds to wait to begin to ramp-up the queue "
86 "depth for a device after a queue-full condition has been "
87 "detected. Default is 120 seconds.");
88
e5896bd5
AV		 89int ql2xiidmaenable=1;
90module_param(ql2xiidmaenable, int, S_IRUGO|S_IRUSR);
91MODULE_PARM_DESC(ql2xiidmaenable,
92 "Enables iIDMA settings "
93 "Default is 1 - perform iIDMA. 0 - no iIDMA.");
94
95
1da177e4 96/*
fa2a1ce5 97 * SCSI host template entry points
1da177e4
LT		 98 */
99static int qla2xxx_slave_configure(struct scsi_device * device);
f4f051eb 100static int qla2xxx_slave_alloc(struct scsi_device *);
1e99e33a
AV		 101static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
102static void qla2xxx_scan_start(struct Scsi_Host *);
f4f051eb 103static void qla2xxx_slave_destroy(struct scsi_device *);
1da177e4
LT		 104static int qla2x00_queuecommand(struct scsi_cmnd *cmd,
105 void (*fn)(struct scsi_cmnd *));
fca29703
AV		 106static int qla24xx_queuecommand(struct scsi_cmnd *cmd,
107 void (*fn)(struct scsi_cmnd *));
1da177e4
LT		 108static int qla2xxx_eh_abort(struct scsi_cmnd *);
109static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
523ec773 110static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
1da177e4
LT		 111static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
112static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
1da177e4 113
ce7e4af7
AV		 114static int qla2x00_change_queue_depth(struct scsi_device *, int);
115static int qla2x00_change_queue_type(struct scsi_device *, int);
116
a824ebb3 117static struct scsi_host_template qla2x00_driver_template = {
1da177e4 118 .module = THIS_MODULE,
cb63067a 119 .name = QLA2XXX_DRIVER_NAME,
1da177e4
LT		 120 .queuecommand = qla2x00_queuecommand,
121
122 .eh_abort_handler = qla2xxx_eh_abort,
123 .eh_device_reset_handler = qla2xxx_eh_device_reset,
523ec773 124 .eh_target_reset_handler = qla2xxx_eh_target_reset,
1da177e4
LT		 125 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
126 .eh_host_reset_handler = qla2xxx_eh_host_reset,
127
128 .slave_configure = qla2xxx_slave_configure,
129
f4f051eb
AV		 130 .slave_alloc = qla2xxx_slave_alloc,
131 .slave_destroy = qla2xxx_slave_destroy,
1e99e33a
AV		 132 .scan_finished = qla2xxx_scan_finished,
133 .scan_start = qla2xxx_scan_start,
ce7e4af7
AV		 134 .change_queue_depth = qla2x00_change_queue_depth,
135 .change_queue_type = qla2x00_change_queue_type,
1da177e4
LT		 136 .this_id = -1,
137 .cmd_per_lun = 3,
138 .use_clustering = ENABLE_CLUSTERING,
139 .sg_tablesize = SG_ALL,
140
141 /*
142 * The RISC allows for each command to transfer (2^32-1) bytes of data,
143 * which equates to 0x800000 sectors.
144 */
145 .max_sectors = 0xFFFF,
afb046e2 146 .shost_attrs = qla2x00_host_attrs,
1da177e4
LT		 147};
148
2c3dfe3f 149struct scsi_host_template qla24xx_driver_template = {
fca29703 150 .module = THIS_MODULE,
cb63067a 151 .name = QLA2XXX_DRIVER_NAME,
fca29703
AV		 152 .queuecommand = qla24xx_queuecommand,
153
154 .eh_abort_handler = qla2xxx_eh_abort,
155 .eh_device_reset_handler = qla2xxx_eh_device_reset,
523ec773 156 .eh_target_reset_handler = qla2xxx_eh_target_reset,
fca29703
AV		 157 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
158 .eh_host_reset_handler = qla2xxx_eh_host_reset,
159
160 .slave_configure = qla2xxx_slave_configure,
161
162 .slave_alloc = qla2xxx_slave_alloc,
163 .slave_destroy = qla2xxx_slave_destroy,
ed677086
AV		 164 .scan_finished = qla2xxx_scan_finished,
165 .scan_start = qla2xxx_scan_start,
ce7e4af7
AV		 166 .change_queue_depth = qla2x00_change_queue_depth,
167 .change_queue_type = qla2x00_change_queue_type,
fca29703
AV		 168 .this_id = -1,
169 .cmd_per_lun = 3,
170 .use_clustering = ENABLE_CLUSTERING,
171 .sg_tablesize = SG_ALL,
172
173 .max_sectors = 0xFFFF,
afb046e2 174 .shost_attrs = qla2x00_host_attrs,
fca29703
AV		 175};
176
1da177e4 177static struct scsi_transport_template *qla2xxx_transport_template = NULL;
2c3dfe3f 178struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
1da177e4 179
1da177e4
LT		 180/* TODO Convert to inlines
181 *
182 * Timer routines
183 */
1da177e4 184
2c3dfe3f 185__inline__ void
e315cd28 186qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval)
1da177e4 187{
e315cd28
AC		 188 init_timer(&vha->timer);
189 vha->timer.expires = jiffies + interval * HZ;
190 vha->timer.data = (unsigned long)vha;
191 vha->timer.function = (void (*)(unsigned long))func;
192 add_timer(&vha->timer);
193 vha->timer_active = 1;
1da177e4
LT		 194}
195
196static inline void
e315cd28 197qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
1da177e4 198{
e315cd28 199 mod_timer(&vha->timer, jiffies + interval * HZ);
1da177e4
LT		 200}
201
a824ebb3 202static __inline__ void
e315cd28 203qla2x00_stop_timer(scsi_qla_host_t *vha)
1da177e4 204{
e315cd28
AC		 205 del_timer_sync(&vha->timer);
206 vha->timer_active = 0;
1da177e4
LT		 207}
208
1da177e4
LT		 209static int qla2x00_do_dpc(void *data);
210
211static void qla2x00_rst_aen(scsi_qla_host_t *);
212
e315cd28
AC		 213static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t);
214static void qla2x00_mem_free(struct qla_hw_data *);
215static void qla2x00_sp_free_dma(srb_t *);
1da177e4 216
1da177e4 217/* -------------------------------------------------------------------------- */
1da177e4 218static char *
e315cd28 219qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
1da177e4 220{
e315cd28 221 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 222 static char *pci_bus_modes[] = {
223 "33", "66", "100", "133",
224 };
225 uint16_t pci_bus;
226
227 strcpy(str, "PCI");
228 pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
229 if (pci_bus) {
230 strcat(str, "-X (");
231 strcat(str, pci_bus_modes[pci_bus]);
232 } else {
233 pci_bus = (ha->pci_attr & BIT_8) >> 8;
234 strcat(str, " (");
235 strcat(str, pci_bus_modes[pci_bus]);
236 }
237 strcat(str, " MHz)");
238
239 return (str);
240}
241
fca29703 242static char *
e315cd28 243qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
fca29703
AV		 244{
245 static char *pci_bus_modes[] = { "33", "66", "100", "133", };
e315cd28 246 struct qla_hw_data *ha = vha->hw;
fca29703
AV		 247 uint32_t pci_bus;
248 int pcie_reg;
249
250 pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
251 if (pcie_reg) {
252 char lwstr[6];
253 uint16_t pcie_lstat, lspeed, lwidth;
254
255 pcie_reg += 0x12;
256 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
257 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
258 lwidth = (pcie_lstat &
259 (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
260
261 strcpy(str, "PCIe (");
262 if (lspeed == 1)
c87a0d8c 263 strcat(str, "2.5GT/s ");
c3a2f0df 264 else if (lspeed == 2)
c87a0d8c 265 strcat(str, "5.0GT/s ");
fca29703
AV		 266 else
267 strcat(str, "<unknown> ");
268 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
269 strcat(str, lwstr);
270
271 return str;
272 }
273
274 strcpy(str, "PCI");
275 pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
276 if (pci_bus == 0 || pci_bus == 8) {
277 strcat(str, " (");
278 strcat(str, pci_bus_modes[pci_bus >> 3]);
279 } else {
280 strcat(str, "-X ");
281 if (pci_bus & BIT_2)
282 strcat(str, "Mode 2");
283 else
284 strcat(str, "Mode 1");
285 strcat(str, " (");
286 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
287 }
288 strcat(str, " MHz)");
289
290 return str;
291}
292
e5f82ab8 293static char *
e315cd28 294qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str)
1da177e4
LT		 295{
296 char un_str[10];
e315cd28 297 struct qla_hw_data *ha = vha->hw;
fa2a1ce5 298
1da177e4
LT		 299 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
300 ha->fw_minor_version,
301 ha->fw_subminor_version);
302
303 if (ha->fw_attributes & BIT_9) {
304 strcat(str, "FLX");
305 return (str);
306 }
307
308 switch (ha->fw_attributes & 0xFF) {
309 case 0x7:
310 strcat(str, "EF");
311 break;
312 case 0x17:
313 strcat(str, "TP");
314 break;
315 case 0x37:
316 strcat(str, "IP");
317 break;
318 case 0x77:
319 strcat(str, "VI");
320 break;
321 default:
322 sprintf(un_str, "(%x)", ha->fw_attributes);
323 strcat(str, un_str);
324 break;
325 }
326 if (ha->fw_attributes & 0x100)
327 strcat(str, "X");
328
329 return (str);
330}
331
e5f82ab8 332static char *
e315cd28 333qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str)
fca29703 334{
e315cd28 335 struct qla_hw_data *ha = vha->hw;
f0883ac6
AV		 336 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
337 ha->fw_minor_version,
338 ha->fw_subminor_version);
339
fca29703
AV		 340 if (ha->fw_attributes & BIT_0)
341 strcat(str, "[Class 2] ");
342 if (ha->fw_attributes & BIT_1)
343 strcat(str, "[IP] ");
344 if (ha->fw_attributes & BIT_2)
345 strcat(str, "[Multi-ID] ");
c3a2f0df
AV		 346 if (ha->fw_attributes & BIT_3)
347 strcat(str, "[SB-2] ");
348 if (ha->fw_attributes & BIT_4)
349 strcat(str, "[T10 CRC] ");
350 if (ha->fw_attributes & BIT_5)
351 strcat(str, "[VI] ");
4d4df193
HK		 352 if (ha->fw_attributes & BIT_10)
353 strcat(str, "[84XX] ");
fca29703
AV		 354 if (ha->fw_attributes & BIT_13)
355 strcat(str, "[Experimental]");
356 return str;
fca29703
AV		 357}
358
359static inline srb_t *
e315cd28 360qla2x00_get_new_sp(scsi_qla_host_t *vha, fc_port_t *fcport,
fca29703
AV		 361 struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
362{
363 srb_t *sp;
e315cd28 364 struct qla_hw_data *ha = vha->hw;
fca29703
AV		 365
366 sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
367 if (!sp)
368 return sp;
369
e315cd28 370 sp->vha = vha;
fca29703
AV		 371 sp->fcport = fcport;
372 sp->cmd = cmd;
373 sp->flags = 0;
374 CMD_SP(cmd) = (void *)sp;
375 cmd->scsi_done = done;
376
377 return sp;
378}
379
1da177e4 380static int
f4f051eb 381qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
1da177e4 382{
e315cd28 383 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
bdf79621 384 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
19a7b4ae 385 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
e315cd28 386 struct qla_hw_data *ha = vha->hw;
f4f051eb
AV		 387 srb_t *sp;
388 int rval;
1da177e4 389
14e660e6
SJ		 390 if (unlikely(pci_channel_offline(ha->pdev))) {
391 cmd->result = DID_REQUEUE << 16;
392 goto qc_fail_command;
393 }
394
19a7b4ae
JSEC		 395 rval = fc_remote_port_chkready(rport);
396 if (rval) {
397 cmd->result = rval;
f4f051eb
AV		 398 goto qc_fail_command;
399 }
1da177e4 400
387f96b4 401 /* Close window on fcport/rport state-transitioning. */
7b594131
MC		 402 if (fcport->drport)
403 goto qc_target_busy;
387f96b4 404
f4f051eb
AV		 405 if (atomic_read(&fcport->state) != FCS_ONLINE) {
406 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
e315cd28 407 atomic_read(&vha->loop_state) == LOOP_DEAD) {
f4f051eb
AV		 408 cmd->result = DID_NO_CONNECT << 16;
409 goto qc_fail_command;
410 }
7b594131 411 goto qc_target_busy;
f4f051eb 412 }
1da177e4 413
e315cd28 414 spin_unlock_irq(vha->host->host_lock);
1da177e4 415
e315cd28 416 sp = qla2x00_get_new_sp(vha, fcport, cmd, done);
fca29703 417 if (!sp)
f4f051eb 418 goto qc_host_busy_lock;
1da177e4 419
e315cd28 420 rval = ha->isp_ops->start_scsi(sp);
f4f051eb
AV		 421 if (rval != QLA_SUCCESS)
422 goto qc_host_busy_free_sp;
1da177e4 423
e315cd28 424 spin_lock_irq(vha->host->host_lock);
1da177e4 425
f4f051eb 426 return 0;
1da177e4 427
f4f051eb 428qc_host_busy_free_sp:
e315cd28 429 qla2x00_sp_free_dma(sp);
f4f051eb 430 mempool_free(sp, ha->srb_mempool);
1da177e4 431
f4f051eb 432qc_host_busy_lock:
e315cd28 433 spin_lock_irq(vha->host->host_lock);
f4f051eb 434 return SCSI_MLQUEUE_HOST_BUSY;
1da177e4 435
7b594131
MC		 436qc_target_busy:
437 return SCSI_MLQUEUE_TARGET_BUSY;
438
f4f051eb
AV		 439qc_fail_command:
440 done(cmd);
1da177e4 441
f4f051eb 442 return 0;
1da177e4
LT		 443}
444
fca29703
AV		 445
446static int
447qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
448{
e315cd28 449 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
fca29703 450 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
19a7b4ae 451 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
e315cd28
AC		 452 struct qla_hw_data *ha = vha->hw;
453 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
fca29703
AV		 454 srb_t *sp;
455 int rval;
456
e315cd28 457 if (unlikely(pci_channel_offline(ha->pdev))) {
14e660e6
SJ		 458 cmd->result = DID_REQUEUE << 16;
459 goto qc24_fail_command;
460 }
461
19a7b4ae
JSEC		 462 rval = fc_remote_port_chkready(rport);
463 if (rval) {
464 cmd->result = rval;
fca29703
AV		 465 goto qc24_fail_command;
466 }
467
387f96b4 468 /* Close window on fcport/rport state-transitioning. */
7b594131
MC		 469 if (fcport->drport)
470 goto qc24_target_busy;
387f96b4 471
fca29703
AV		 472 if (atomic_read(&fcport->state) != FCS_ONLINE) {
473 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
e315cd28 474 atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
fca29703
AV		 475 cmd->result = DID_NO_CONNECT << 16;
476 goto qc24_fail_command;
477 }
7b594131 478 goto qc24_target_busy;
fca29703
AV		 479 }
480
e315cd28 481 spin_unlock_irq(vha->host->host_lock);
fca29703 482
e315cd28 483 sp = qla2x00_get_new_sp(base_vha, fcport, cmd, done);
fca29703
AV		 484 if (!sp)
485 goto qc24_host_busy_lock;
486
e315cd28 487 rval = ha->isp_ops->start_scsi(sp);
fca29703
AV		 488 if (rval != QLA_SUCCESS)
489 goto qc24_host_busy_free_sp;
490
e315cd28 491 spin_lock_irq(vha->host->host_lock);
fca29703
AV		 492
493 return 0;
494
495qc24_host_busy_free_sp:
e315cd28
AC		 496 qla2x00_sp_free_dma(sp);
497 mempool_free(sp, ha->srb_mempool);
fca29703
AV		 498
499qc24_host_busy_lock:
e315cd28 500 spin_lock_irq(vha->host->host_lock);
fca29703
AV		 501 return SCSI_MLQUEUE_HOST_BUSY;
502
7b594131
MC		 503qc24_target_busy:
504 return SCSI_MLQUEUE_TARGET_BUSY;
505
fca29703
AV		 506qc24_fail_command:
507 done(cmd);
508
509 return 0;
510}
511
512
1da177e4
LT		 513/*
514 * qla2x00_eh_wait_on_command
515 * Waits for the command to be returned by the Firmware for some
516 * max time.
517 *
518 * Input:
1da177e4 519 * cmd = Scsi Command to wait on.
1da177e4
LT		 520 *
521 * Return:
522 * Not Found : 0
523 * Found : 1
524 */
525static int
e315cd28 526qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
1da177e4 527{
fe74c71f
AV		 528#define ABORT_POLLING_PERIOD 1000
529#define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
f4f051eb
AV		 530 unsigned long wait_iter = ABORT_WAIT_ITER;
531 int ret = QLA_SUCCESS;
1da177e4 532
f4f051eb 533 while (CMD_SP(cmd)) {
fe74c71f 534 msleep(ABORT_POLLING_PERIOD);
1da177e4 535
f4f051eb
AV		 536 if (--wait_iter)
537 break;
538 }
539 if (CMD_SP(cmd))
540 ret = QLA_FUNCTION_FAILED;
1da177e4 541
f4f051eb 542 return ret;
1da177e4
LT		 543}
544
545/*
546 * qla2x00_wait_for_hba_online
fa2a1ce5 547 * Wait till the HBA is online after going through
1da177e4
LT		 548 * <= MAX_RETRIES_OF_ISP_ABORT or
549 * finally HBA is disabled ie marked offline
550 *
551 * Input:
552 * ha - pointer to host adapter structure
fa2a1ce5
AV		 553 *
554 * Note:
1da177e4
LT		 555 * Does context switching-Release SPIN_LOCK
556 * (if any) before calling this routine.
557 *
558 * Return:
559 * Success (Adapter is online) : 0
560 * Failed (Adapter is offline/disabled) : 1
561 */
854165f4 562int
e315cd28 563qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
1da177e4 564{
fca29703
AV		 565 int return_status;
566 unsigned long wait_online;
e315cd28
AC		 567 struct qla_hw_data *ha = vha->hw;
568 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1da177e4 569
fa2a1ce5 570 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
e315cd28
AC		 571 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
572 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
573 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
574 ha->dpc_active) && time_before(jiffies, wait_online)) {
1da177e4
LT		 575
576 msleep(1000);
577 }
e315cd28 578 if (base_vha->flags.online)
fa2a1ce5 579 return_status = QLA_SUCCESS;
1da177e4
LT		 580 else
581 return_status = QLA_FUNCTION_FAILED;
582
1da177e4
LT		 583 return (return_status);
584}
585
586/*
587 * qla2x00_wait_for_loop_ready
588 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
fa2a1ce5 589 * to be in LOOP_READY state.
1da177e4
LT		 590 * Input:
591 * ha - pointer to host adapter structure
fa2a1ce5
AV		 592 *
593 * Note:
1da177e4
LT		 594 * Does context switching-Release SPIN_LOCK
595 * (if any) before calling this routine.
fa2a1ce5 596 *
1da177e4
LT		 597 *
598 * Return:
599 * Success (LOOP_READY) : 0
600 * Failed (LOOP_NOT_READY) : 1
601 */
fa2a1ce5 602static inline int
e315cd28 603qla2x00_wait_for_loop_ready(scsi_qla_host_t *vha)
1da177e4
LT		 604{
605 int return_status = QLA_SUCCESS;
606 unsigned long loop_timeout ;
e315cd28
AC		 607 struct qla_hw_data *ha = vha->hw;
608 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1da177e4
LT		 609
610 /* wait for 5 min at the max for loop to be ready */
fa2a1ce5 611 loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1da177e4 612
e315cd28
AC		 613 while ((!atomic_read(&base_vha->loop_down_timer) &&
614 atomic_read(&base_vha->loop_state) == LOOP_DOWN) ||
615 atomic_read(&base_vha->loop_state) != LOOP_READY) {
616 if (atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
57680080
RA		 617 return_status = QLA_FUNCTION_FAILED;
618 break;
619 }
1da177e4
LT		 620 msleep(1000);
621 if (time_after_eq(jiffies, loop_timeout)) {
622 return_status = QLA_FUNCTION_FAILED;
623 break;
624 }
625 }
fa2a1ce5 626 return (return_status);
1da177e4
LT		 627}
628
5f3a9a20
SJ		 629void
630qla2x00_abort_fcport_cmds(fc_port_t *fcport)
631{
632 int cnt;
633 unsigned long flags;
634 srb_t *sp;
e315cd28
AC		 635 scsi_qla_host_t *vha = fcport->vha;
636 struct qla_hw_data *ha = vha->hw;
637 struct req_que *req = ha->req;
5f3a9a20 638
e315cd28 639 spin_lock_irqsave(&ha->hardware_lock, flags);
5f3a9a20 640 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
e315cd28 641 sp = req->outstanding_cmds[cnt];
5f3a9a20
SJ		 642 if (!sp)
643 continue;
644 if (sp->fcport != fcport)
645 continue;
646
e315cd28
AC		 647 spin_unlock_irqrestore(&ha->hardware_lock, flags);
648 if (ha->isp_ops->abort_command(vha, sp)) {
5f3a9a20
SJ		 649 DEBUG2(qla_printk(KERN_WARNING, ha,
650 "Abort failed -- %lx\n", sp->cmd->serial_number));
651 } else {
e315cd28 652 if (qla2x00_eh_wait_on_command(sp->cmd) !=
5f3a9a20
SJ		 653 QLA_SUCCESS)
654 DEBUG2(qla_printk(KERN_WARNING, ha,
655 "Abort failed while waiting -- %lx\n",
656 sp->cmd->serial_number));
657
658 }
e315cd28 659 spin_lock_irqsave(&ha->hardware_lock, flags);
5f3a9a20 660 }
e315cd28 661 spin_unlock_irqrestore(&ha->hardware_lock, flags);
5f3a9a20
SJ		 662}
663
07db5183
AV		 664static void
665qla2x00_block_error_handler(struct scsi_cmnd *cmnd)
666{
667 struct Scsi_Host *shost = cmnd->device->host;
668 struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device));
669 unsigned long flags;
670
671 spin_lock_irqsave(shost->host_lock, flags);
672 while (rport->port_state == FC_PORTSTATE_BLOCKED) {
673 spin_unlock_irqrestore(shost->host_lock, flags);
674 msleep(1000);
675 spin_lock_irqsave(shost->host_lock, flags);
676 }
677 spin_unlock_irqrestore(shost->host_lock, flags);
678 return;
679}
680
1da177e4
LT		 681/**************************************************************************
682* qla2xxx_eh_abort
683*
684* Description:
685* The abort function will abort the specified command.
686*
687* Input:
688* cmd = Linux SCSI command packet to be aborted.
689*
690* Returns:
691* Either SUCCESS or FAILED.
692*
693* Note:
2ea00202 694* Only return FAILED if command not returned by firmware.
1da177e4 695**************************************************************************/
e5f82ab8 696static int
1da177e4
LT		 697qla2xxx_eh_abort(struct scsi_cmnd *cmd)
698{
e315cd28 699 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
f4f051eb
AV		 700 srb_t *sp;
701 int ret, i;
702 unsigned int id, lun;
703 unsigned long serial;
18e144d3 704 unsigned long flags;
2ea00202 705 int wait = 0;
e315cd28
AC		 706 struct qla_hw_data *ha = vha->hw;
707 struct req_que *req = ha->req;
1da177e4 708
07db5183
AV		 709 qla2x00_block_error_handler(cmd);
710
f4f051eb 711 if (!CMD_SP(cmd))
2ea00202 712 return SUCCESS;
1da177e4 713
2ea00202 714 ret = SUCCESS;
1da177e4 715
f4f051eb
AV		 716 id = cmd->device->id;
717 lun = cmd->device->lun;
718 serial = cmd->serial_number;
1da177e4 719
f4f051eb 720 /* Check active list for command command. */
e315cd28 721 spin_lock_irqsave(&ha->hardware_lock, flags);
f4f051eb 722 for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
e315cd28 723 sp = req->outstanding_cmds[i];
1da177e4 724
f4f051eb
AV		 725 if (sp == NULL)
726 continue;
1da177e4 727
f4f051eb
AV		 728 if (sp->cmd != cmd)
729 continue;
1da177e4 730
75bc4190 731 DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld.\n",
e315cd28 732 __func__, vha->host_no, sp, serial));
1da177e4 733
e315cd28
AC		 734 spin_unlock_irqrestore(&ha->hardware_lock, flags);
735 if (ha->isp_ops->abort_command(vha, sp)) {
f4f051eb 736 DEBUG2(printk("%s(%ld): abort_command "
e315cd28 737 "mbx failed.\n", __func__, vha->host_no));
5bff55db 738 ret = FAILED;
f4f051eb
AV		 739 } else {
740 DEBUG3(printk("%s(%ld): abort_command "
e315cd28 741 "mbx success.\n", __func__, vha->host_no));
2ea00202 742 wait = 1;
f4f051eb 743 }
e315cd28 744 spin_lock_irqsave(&ha->hardware_lock, flags);
1da177e4 745
f4f051eb
AV		 746 break;
747 }
e315cd28 748 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1da177e4 749
f4f051eb 750 /* Wait for the command to be returned. */
2ea00202 751 if (wait) {
e315cd28 752 if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
fa2a1ce5 753 qla_printk(KERN_ERR, ha,
f4f051eb 754 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
e315cd28 755 "%x.\n", vha->host_no, id, lun, serial, ret);
2ea00202 756 ret = FAILED;
f4f051eb 757 }
1da177e4 758 }
1da177e4 759
fa2a1ce5 760 qla_printk(KERN_INFO, ha,
2ea00202 761 "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
e315cd28 762 vha->host_no, id, lun, wait, serial, ret);
1da177e4 763
f4f051eb
AV		 764 return ret;
765}
1da177e4 766
523ec773
AV		 767enum nexus_wait_type {
768 WAIT_HOST = 0,
769 WAIT_TARGET,
770 WAIT_LUN,
771};
772
f4f051eb 773static int
e315cd28 774qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
523ec773 775 unsigned int l, enum nexus_wait_type type)
f4f051eb 776{
523ec773
AV		 777 int cnt, match, status;
778 srb_t *sp;
18e144d3 779 unsigned long flags;
e315cd28
AC		 780 struct qla_hw_data *ha = vha->hw;
781 struct req_que *req = ha->req;
1da177e4 782
523ec773 783 status = QLA_SUCCESS;
e315cd28 784 spin_lock_irqsave(&ha->hardware_lock, flags);
523ec773
AV		 785 for (cnt = 1; status == QLA_SUCCESS && cnt < MAX_OUTSTANDING_COMMANDS;
786 cnt++) {
e315cd28 787 sp = req->outstanding_cmds[cnt];
523ec773
AV		 788 if (!sp)
789 continue;
19851f13 790
e315cd28 791 if (vha->vp_idx != sp->fcport->vha->vp_idx)
523ec773
AV		 792 continue;
793 match = 0;
794 switch (type) {
795 case WAIT_HOST:
796 match = 1;
797 break;
798 case WAIT_TARGET:
799 match = sp->cmd->device->id == t;
800 break;
801 case WAIT_LUN:
802 match = (sp->cmd->device->id == t &&
803 sp->cmd->device->lun == l);
804 break;
1da177e4 805 }
523ec773
AV		 806 if (!match)
807 continue;
808
e315cd28
AC		 809 spin_unlock_irqrestore(&ha->hardware_lock, flags);
810 status = qla2x00_eh_wait_on_command(sp->cmd);
811 spin_lock_irqsave(&ha->hardware_lock, flags);
1da177e4 812 }
e315cd28 813 spin_unlock_irqrestore(&ha->hardware_lock, flags);
523ec773
AV		 814
815 return status;
1da177e4
LT		 816}
817
523ec773
AV		 818static char *reset_errors[] = {
819 "HBA not online",
820 "HBA not ready",
821 "Task management failed",
822 "Waiting for command completions",
823};
1da177e4 824
e5f82ab8 825static int
523ec773
AV		 826__qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
827 struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int))
1da177e4 828{
e315cd28 829 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
bdf79621 830 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
523ec773 831 int err;
1da177e4 832
07db5183
AV		 833 qla2x00_block_error_handler(cmd);
834
b0328bee 835 if (!fcport)
523ec773 836 return FAILED;
1da177e4 837
e315cd28
AC		 838 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET ISSUED.\n",
839 vha->host_no, cmd->device->id, cmd->device->lun, name);
1da177e4 840
523ec773 841 err = 0;
e315cd28 842 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
523ec773
AV		 843 goto eh_reset_failed;
844 err = 1;
e315cd28 845 if (qla2x00_wait_for_loop_ready(vha) != QLA_SUCCESS)
523ec773
AV		 846 goto eh_reset_failed;
847 err = 2;
848 if (do_reset(fcport, cmd->device->lun) != QLA_SUCCESS)
849 goto eh_reset_failed;
850 err = 3;
e315cd28 851 if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
523ec773
AV		 852 cmd->device->lun, type) != QLA_SUCCESS)
853 goto eh_reset_failed;
854
e315cd28
AC		 855 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n",
856 vha->host_no, cmd->device->id, cmd->device->lun, name);
523ec773
AV		 857
858 return SUCCESS;
859
860 eh_reset_failed:
e315cd28
AC		 861 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n"
862 , vha->host_no, cmd->device->id, cmd->device->lun, name,
523ec773
AV		 863 reset_errors[err]);
864 return FAILED;
865}
1da177e4 866
523ec773
AV		 867static int
868qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
869{
e315cd28
AC		 870 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
871 struct qla_hw_data *ha = vha->hw;
1da177e4 872
523ec773
AV		 873 return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
874 ha->isp_ops->lun_reset);
1da177e4
LT		 875}
876
1da177e4 877static int
523ec773 878qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1da177e4 879{
e315cd28
AC		 880 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
881 struct qla_hw_data *ha = vha->hw;
1da177e4 882
523ec773
AV		 883 return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
884 ha->isp_ops->target_reset);
1da177e4
LT		 885}
886
1da177e4
LT		 887/**************************************************************************
888* qla2xxx_eh_bus_reset
889*
890* Description:
891* The bus reset function will reset the bus and abort any executing
892* commands.
893*
894* Input:
895* cmd = Linux SCSI command packet of the command that cause the
896* bus reset.
897*
898* Returns:
899* SUCCESS/FAILURE (defined as macro in scsi.h).
900*
901**************************************************************************/
e5f82ab8 902static int
1da177e4
LT		 903qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
904{
e315cd28 905 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
bdf79621 906 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
2c3dfe3f 907 int ret = FAILED;
f4f051eb
AV		 908 unsigned int id, lun;
909 unsigned long serial;
910
07db5183
AV		 911 qla2x00_block_error_handler(cmd);
912
f4f051eb
AV		 913 id = cmd->device->id;
914 lun = cmd->device->lun;
915 serial = cmd->serial_number;
1da177e4 916
b0328bee 917 if (!fcport)
f4f051eb 918 return ret;
1da177e4 919
e315cd28
AC		 920 qla_printk(KERN_INFO, vha->hw,
921 "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", vha->host_no, id, lun);
1da177e4 922
e315cd28 923 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1da177e4 924 DEBUG2(printk("%s failed:board disabled\n",__func__));
f4f051eb 925 goto eh_bus_reset_done;
1da177e4
LT		 926 }
927
e315cd28
AC		 928 if (qla2x00_wait_for_loop_ready(vha) == QLA_SUCCESS) {
929 if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
f4f051eb 930 ret = SUCCESS;
1da177e4 931 }
f4f051eb
AV		 932 if (ret == FAILED)
933 goto eh_bus_reset_done;
1da177e4 934
9a41a62b 935 /* Flush outstanding commands. */
e315cd28 936 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) !=
523ec773 937 QLA_SUCCESS)
9a41a62b 938 ret = FAILED;
1da177e4 939
f4f051eb 940eh_bus_reset_done:
e315cd28 941 qla_printk(KERN_INFO, vha->hw, "%s: reset %s\n", __func__,
f4f051eb 942 (ret == FAILED) ? "failed" : "succeded");
1da177e4 943
f4f051eb 944 return ret;
1da177e4
LT		 945}
946
947/**************************************************************************
948* qla2xxx_eh_host_reset
949*
950* Description:
951* The reset function will reset the Adapter.
952*
953* Input:
954* cmd = Linux SCSI command packet of the command that cause the
955* adapter reset.
956*
957* Returns:
958* Either SUCCESS or FAILED.
959*
960* Note:
961**************************************************************************/
e5f82ab8 962static int
1da177e4
LT		 963qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
964{
e315cd28 965 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
bdf79621 966 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
e315cd28 967 struct qla_hw_data *ha = vha->hw;
2c3dfe3f 968 int ret = FAILED;
f4f051eb
AV		 969 unsigned int id, lun;
970 unsigned long serial;
e315cd28 971 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1da177e4 972
07db5183
AV		 973 qla2x00_block_error_handler(cmd);
974
f4f051eb
AV		 975 id = cmd->device->id;
976 lun = cmd->device->lun;
977 serial = cmd->serial_number;
978
b0328bee 979 if (!fcport)
f4f051eb 980 return ret;
1da177e4 981
1da177e4 982 qla_printk(KERN_INFO, ha,
e315cd28 983 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", vha->host_no, id, lun);
1da177e4 984
e315cd28 985 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
f4f051eb 986 goto eh_host_reset_lock;
1da177e4
LT		 987
988 /*
989 * Fixme-may be dpc thread is active and processing
fa2a1ce5 990 * loop_resync,so wait a while for it to
1da177e4
LT		 991 * be completed and then issue big hammer.Otherwise
992 * it may cause I/O failure as big hammer marks the
993 * devices as lost kicking of the port_down_timer
994 * while dpc is stuck for the mailbox to complete.
995 */
e315cd28
AC		 996 qla2x00_wait_for_loop_ready(vha);
997 if (vha != base_vha) {
998 if (qla2x00_vp_abort_isp(vha))
f4f051eb 999 goto eh_host_reset_lock;
e315cd28
AC		 1000 } else {
1001 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1002 if (qla2x00_abort_isp(base_vha)) {
1003 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1004 /* failed. schedule dpc to try */
1005 set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1006
1007 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
1008 goto eh_host_reset_lock;
1009 }
1010 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
fa2a1ce5 1011 }
1da177e4 1012
e315cd28
AC		 1013 /* Waiting for command to be returned to OS.*/
1014 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) ==
1015 QLA_SUCCESS)
f4f051eb 1016 ret = SUCCESS;
1da177e4 1017
f4f051eb 1018eh_host_reset_lock:
f4f051eb
AV		 1019 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1020 (ret == FAILED) ? "failed" : "succeded");
1da177e4 1021
f4f051eb
AV		 1022 return ret;
1023}
1da177e4
LT		 1024
1025/*
1026* qla2x00_loop_reset
1027* Issue loop reset.
1028*
1029* Input:
1030* ha = adapter block pointer.
1031*
1032* Returns:
1033* 0 = success
1034*/
a4722cf2 1035int
e315cd28 1036qla2x00_loop_reset(scsi_qla_host_t *vha)
1da177e4 1037{
0c8c39af 1038 int ret;
bdf79621 1039 struct fc_port *fcport;
e315cd28 1040 struct qla_hw_data *ha = vha->hw;
1da177e4 1041
0c8c39af 1042 if (ha->flags.enable_lip_full_login) {
e315cd28 1043 ret = qla2x00_full_login_lip(vha);
0c8c39af
AV		 1044 if (ret != QLA_SUCCESS) {
1045 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
e315cd28 1046 "full_login_lip=%d.\n", __func__, vha->host_no,
0c8c39af 1047 ret));
e315cd28
AC		 1048 } else
1049 qla2x00_wait_for_loop_ready(vha);
0c8c39af
AV		 1050 }
1051
1da177e4 1052 if (ha->flags.enable_lip_reset) {
e315cd28 1053 ret = qla2x00_lip_reset(vha);
0c8c39af
AV		 1054 if (ret != QLA_SUCCESS) {
1055 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
e315cd28
AC		 1056 "lip_reset=%d.\n", __func__, vha->host_no, ret));
1057 } else
1058 qla2x00_wait_for_loop_ready(vha);
1da177e4
LT		 1059 }
1060
0c8c39af 1061 if (ha->flags.enable_target_reset) {
e315cd28 1062 list_for_each_entry(fcport, &vha->vp_fcports, list) {
bdf79621 1063 if (fcport->port_type != FCT_TARGET)
1da177e4
LT		 1064 continue;
1065
523ec773 1066 ret = ha->isp_ops->target_reset(fcport, 0);
0c8c39af
AV		 1067 if (ret != QLA_SUCCESS) {
1068 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1069 "target_reset=%d d_id=%x.\n", __func__,
e315cd28 1070 vha->host_no, ret, fcport->d_id.b24));
0c8c39af 1071 }
1da177e4
LT		 1072 }
1073 }
1074
1da177e4 1075 /* Issue marker command only when we are going to start the I/O */
e315cd28 1076 vha->marker_needed = 1;
1da177e4 1077
0c8c39af 1078 return QLA_SUCCESS;
1da177e4
LT		 1079}
1080
df4bf0bb 1081void
e315cd28 1082qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
df4bf0bb
AV		 1083{
1084 int cnt;
1085 unsigned long flags;
1086 srb_t *sp;
e315cd28
AC		 1087 struct qla_hw_data *ha = vha->hw;
1088 struct req_que *req = ha->req;
df4bf0bb
AV		 1089
1090 spin_lock_irqsave(&ha->hardware_lock, flags);
1091 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
e315cd28 1092 sp = req->outstanding_cmds[cnt];
df4bf0bb 1093 if (sp) {
e315cd28 1094 req->outstanding_cmds[cnt] = NULL;
df4bf0bb 1095 sp->cmd->result = res;
e315cd28 1096 qla2x00_sp_compl(vha, sp);
df4bf0bb
AV		 1097 }
1098 }
1099 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1100}
1101
f4f051eb
AV		 1102static int
1103qla2xxx_slave_alloc(struct scsi_device *sdev)
1da177e4 1104{
bdf79621 1105 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1da177e4 1106
19a7b4ae 1107 if (!rport || fc_remote_port_chkready(rport))
f4f051eb 1108 return -ENXIO;
bdf79621 1109
19a7b4ae 1110 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1da177e4 1111
f4f051eb
AV		 1112 return 0;
1113}
1da177e4 1114
f4f051eb
AV		 1115static int
1116qla2xxx_slave_configure(struct scsi_device *sdev)
1117{
e315cd28
AC		 1118 scsi_qla_host_t *vha = shost_priv(sdev->host);
1119 struct qla_hw_data *ha = vha->hw;
8482e118
AV		 1120 struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1121
f4f051eb 1122 if (sdev->tagged_supported)
e315cd28 1123 scsi_activate_tcq(sdev, ha->req->max_q_depth);
f4f051eb 1124 else
e315cd28 1125 scsi_deactivate_tcq(sdev, ha->req->max_q_depth);
1da177e4 1126
85821c90 1127 rport->dev_loss_tmo = ha->port_down_retry_count;
8482e118 1128
f4f051eb
AV		 1129 return 0;
1130}
1da177e4 1131
f4f051eb
AV		 1132static void
1133qla2xxx_slave_destroy(struct scsi_device *sdev)
1134{
1135 sdev->hostdata = NULL;
1da177e4
LT		 1136}
1137
ce7e4af7
AV		 1138static int
1139qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
1140{
1141 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1142 return sdev->queue_depth;
1143}
1144
1145static int
1146qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1147{
1148 if (sdev->tagged_supported) {
1149 scsi_set_tag_type(sdev, tag_type);
1150 if (tag_type)
1151 scsi_activate_tcq(sdev, sdev->queue_depth);
1152 else
1153 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1154 } else
1155 tag_type = 0;
1156
1157 return tag_type;
1158}
1159
1da177e4
LT		 1160/**
1161 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1162 * @ha: HA context
1163 *
1164 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1165 * supported addressing method.
1166 */
1167static void
e315cd28 1168qla2x00_config_dma_addressing(scsi_qla_host_t *vha)
1da177e4 1169{
e315cd28 1170 struct qla_hw_data *ha = vha->hw;
7524f9b9 1171 /* Assume a 32bit DMA mask. */
1da177e4 1172 ha->flags.enable_64bit_addressing = 0;
1da177e4 1173
7524f9b9
AV		 1174 if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) {
1175 /* Any upper-dword bits set? */
1176 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1177 !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) {
1178 /* Ok, a 64bit DMA mask is applicable. */
1da177e4 1179 ha->flags.enable_64bit_addressing = 1;
fd34f556
AV		 1180 ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1181 ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
7524f9b9 1182 return;
1da177e4 1183 }
1da177e4 1184 }
7524f9b9
AV		 1185
1186 dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK);
1187 pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK);
1da177e4
LT		 1188}
1189
fd34f556 1190static void
e315cd28 1191qla2x00_enable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1192{
1193 unsigned long flags = 0;
1194 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1195
1196 spin_lock_irqsave(&ha->hardware_lock, flags);
1197 ha->interrupts_on = 1;
1198 /* enable risc and host interrupts */
1199 WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1200 RD_REG_WORD(&reg->ictrl);
1201 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1202
1203}
1204
1205static void
e315cd28 1206qla2x00_disable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1207{
1208 unsigned long flags = 0;
1209 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1210
1211 spin_lock_irqsave(&ha->hardware_lock, flags);
1212 ha->interrupts_on = 0;
1213 /* disable risc and host interrupts */
1214 WRT_REG_WORD(&reg->ictrl, 0);
1215 RD_REG_WORD(&reg->ictrl);
1216 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1217}
1218
1219static void
e315cd28 1220qla24xx_enable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1221{
1222 unsigned long flags = 0;
1223 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1224
1225 spin_lock_irqsave(&ha->hardware_lock, flags);
1226 ha->interrupts_on = 1;
1227 WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1228 RD_REG_DWORD(&reg->ictrl);
1229 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1230}
1231
1232static void
e315cd28 1233qla24xx_disable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1234{
1235 unsigned long flags = 0;
1236 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1237
1238 spin_lock_irqsave(&ha->hardware_lock, flags);
1239 ha->interrupts_on = 0;
1240 WRT_REG_DWORD(&reg->ictrl, 0);
1241 RD_REG_DWORD(&reg->ictrl);
1242 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1243}
1244
1245static struct isp_operations qla2100_isp_ops = {
1246 .pci_config = qla2100_pci_config,
1247 .reset_chip = qla2x00_reset_chip,
1248 .chip_diag = qla2x00_chip_diag,
1249 .config_rings = qla2x00_config_rings,
1250 .reset_adapter = qla2x00_reset_adapter,
1251 .nvram_config = qla2x00_nvram_config,
1252 .update_fw_options = qla2x00_update_fw_options,
1253 .load_risc = qla2x00_load_risc,
1254 .pci_info_str = qla2x00_pci_info_str,
1255 .fw_version_str = qla2x00_fw_version_str,
1256 .intr_handler = qla2100_intr_handler,
1257 .enable_intrs = qla2x00_enable_intrs,
1258 .disable_intrs = qla2x00_disable_intrs,
1259 .abort_command = qla2x00_abort_command,
523ec773
AV		 1260 .target_reset = qla2x00_abort_target,
1261 .lun_reset = qla2x00_lun_reset,
fd34f556
AV		 1262 .fabric_login = qla2x00_login_fabric,
1263 .fabric_logout = qla2x00_fabric_logout,
1264 .calc_req_entries = qla2x00_calc_iocbs_32,
1265 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1266 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1267 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1268 .read_nvram = qla2x00_read_nvram_data,
1269 .write_nvram = qla2x00_write_nvram_data,
1270 .fw_dump = qla2100_fw_dump,
1271 .beacon_on = NULL,
1272 .beacon_off = NULL,
1273 .beacon_blink = NULL,
1274 .read_optrom = qla2x00_read_optrom_data,
1275 .write_optrom = qla2x00_write_optrom_data,
1276 .get_flash_version = qla2x00_get_flash_version,
e315cd28 1277 .start_scsi = qla2x00_start_scsi,
fd34f556
AV		 1278};
1279
1280static struct isp_operations qla2300_isp_ops = {
1281 .pci_config = qla2300_pci_config,
1282 .reset_chip = qla2x00_reset_chip,
1283 .chip_diag = qla2x00_chip_diag,
1284 .config_rings = qla2x00_config_rings,
1285 .reset_adapter = qla2x00_reset_adapter,
1286 .nvram_config = qla2x00_nvram_config,
1287 .update_fw_options = qla2x00_update_fw_options,
1288 .load_risc = qla2x00_load_risc,
1289 .pci_info_str = qla2x00_pci_info_str,
1290 .fw_version_str = qla2x00_fw_version_str,
1291 .intr_handler = qla2300_intr_handler,
1292 .enable_intrs = qla2x00_enable_intrs,
1293 .disable_intrs = qla2x00_disable_intrs,
1294 .abort_command = qla2x00_abort_command,
523ec773
AV		 1295 .target_reset = qla2x00_abort_target,
1296 .lun_reset = qla2x00_lun_reset,
fd34f556
AV		 1297 .fabric_login = qla2x00_login_fabric,
1298 .fabric_logout = qla2x00_fabric_logout,
1299 .calc_req_entries = qla2x00_calc_iocbs_32,
1300 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1301 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1302 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1303 .read_nvram = qla2x00_read_nvram_data,
1304 .write_nvram = qla2x00_write_nvram_data,
1305 .fw_dump = qla2300_fw_dump,
1306 .beacon_on = qla2x00_beacon_on,
1307 .beacon_off = qla2x00_beacon_off,
1308 .beacon_blink = qla2x00_beacon_blink,
1309 .read_optrom = qla2x00_read_optrom_data,
1310 .write_optrom = qla2x00_write_optrom_data,
1311 .get_flash_version = qla2x00_get_flash_version,
e315cd28 1312 .start_scsi = qla2x00_start_scsi,
fd34f556
AV		 1313};
1314
1315static struct isp_operations qla24xx_isp_ops = {
1316 .pci_config = qla24xx_pci_config,
1317 .reset_chip = qla24xx_reset_chip,
1318 .chip_diag = qla24xx_chip_diag,
1319 .config_rings = qla24xx_config_rings,
1320 .reset_adapter = qla24xx_reset_adapter,
1321 .nvram_config = qla24xx_nvram_config,
1322 .update_fw_options = qla24xx_update_fw_options,
1323 .load_risc = qla24xx_load_risc,
1324 .pci_info_str = qla24xx_pci_info_str,
1325 .fw_version_str = qla24xx_fw_version_str,
1326 .intr_handler = qla24xx_intr_handler,
1327 .enable_intrs = qla24xx_enable_intrs,
1328 .disable_intrs = qla24xx_disable_intrs,
1329 .abort_command = qla24xx_abort_command,
523ec773
AV		 1330 .target_reset = qla24xx_abort_target,
1331 .lun_reset = qla24xx_lun_reset,
fd34f556
AV		 1332 .fabric_login = qla24xx_login_fabric,
1333 .fabric_logout = qla24xx_fabric_logout,
1334 .calc_req_entries = NULL,
1335 .build_iocbs = NULL,
1336 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1337 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1338 .read_nvram = qla24xx_read_nvram_data,
1339 .write_nvram = qla24xx_write_nvram_data,
1340 .fw_dump = qla24xx_fw_dump,
1341 .beacon_on = qla24xx_beacon_on,
1342 .beacon_off = qla24xx_beacon_off,
1343 .beacon_blink = qla24xx_beacon_blink,
1344 .read_optrom = qla24xx_read_optrom_data,
1345 .write_optrom = qla24xx_write_optrom_data,
1346 .get_flash_version = qla24xx_get_flash_version,
e315cd28 1347 .start_scsi = qla24xx_start_scsi,
fd34f556
AV		 1348};
1349
c3a2f0df
AV		 1350static struct isp_operations qla25xx_isp_ops = {
1351 .pci_config = qla25xx_pci_config,
1352 .reset_chip = qla24xx_reset_chip,
1353 .chip_diag = qla24xx_chip_diag,
1354 .config_rings = qla24xx_config_rings,
1355 .reset_adapter = qla24xx_reset_adapter,
1356 .nvram_config = qla24xx_nvram_config,
1357 .update_fw_options = qla24xx_update_fw_options,
1358 .load_risc = qla24xx_load_risc,
1359 .pci_info_str = qla24xx_pci_info_str,
1360 .fw_version_str = qla24xx_fw_version_str,
1361 .intr_handler = qla24xx_intr_handler,
1362 .enable_intrs = qla24xx_enable_intrs,
1363 .disable_intrs = qla24xx_disable_intrs,
1364 .abort_command = qla24xx_abort_command,
523ec773
AV		 1365 .target_reset = qla24xx_abort_target,
1366 .lun_reset = qla24xx_lun_reset,
c3a2f0df
AV		 1367 .fabric_login = qla24xx_login_fabric,
1368 .fabric_logout = qla24xx_fabric_logout,
1369 .calc_req_entries = NULL,
1370 .build_iocbs = NULL,
1371 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1372 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1373 .read_nvram = qla25xx_read_nvram_data,
1374 .write_nvram = qla25xx_write_nvram_data,
1375 .fw_dump = qla25xx_fw_dump,
1376 .beacon_on = qla24xx_beacon_on,
1377 .beacon_off = qla24xx_beacon_off,
1378 .beacon_blink = qla24xx_beacon_blink,
338c9161 1379 .read_optrom = qla25xx_read_optrom_data,
c3a2f0df
AV		 1380 .write_optrom = qla24xx_write_optrom_data,
1381 .get_flash_version = qla24xx_get_flash_version,
e315cd28 1382 .start_scsi = qla24xx_start_scsi,
c3a2f0df
AV		 1383};
1384
ea5b6382 1385static inline void
e315cd28 1386qla2x00_set_isp_flags(struct qla_hw_data *ha)
ea5b6382
AV		 1387{
1388 ha->device_type = DT_EXTENDED_IDS;
1389 switch (ha->pdev->device) {
1390 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1391 ha->device_type |= DT_ISP2100;
1392 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1393 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382
AV		 1394 break;
1395 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1396 ha->device_type |= DT_ISP2200;
1397 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1398 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382
AV		 1399 break;
1400 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1401 ha->device_type |= DT_ISP2300;
4a59f71d 1402 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1403 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1404 break;
1405 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1406 ha->device_type |= DT_ISP2312;
4a59f71d 1407 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1408 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1409 break;
1410 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1411 ha->device_type |= DT_ISP2322;
4a59f71d 1412 ha->device_type |= DT_ZIO_SUPPORTED;
ea5b6382
AV		 1413 if (ha->pdev->subsystem_vendor == 0x1028 &&
1414 ha->pdev->subsystem_device == 0x0170)
1415 ha->device_type |= DT_OEM_001;
441d1072 1416 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1417 break;
1418 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1419 ha->device_type |= DT_ISP6312;
441d1072 1420 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1421 break;
1422 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1423 ha->device_type |= DT_ISP6322;
441d1072 1424 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1425 break;
1426 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1427 ha->device_type |= DT_ISP2422;
4a59f71d 1428 ha->device_type |= DT_ZIO_SUPPORTED;
e428924c 1429 ha->device_type |= DT_FWI2;
c76f2c01 1430 ha->device_type |= DT_IIDMA;
441d1072 1431 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382
AV		 1432 break;
1433 case PCI_DEVICE_ID_QLOGIC_ISP2432:
1434 ha->device_type |= DT_ISP2432;
4a59f71d 1435 ha->device_type |= DT_ZIO_SUPPORTED;
e428924c 1436 ha->device_type |= DT_FWI2;
c76f2c01 1437 ha->device_type |= DT_IIDMA;
441d1072 1438 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1439 break;
4d4df193
HK		 1440 case PCI_DEVICE_ID_QLOGIC_ISP8432:
1441 ha->device_type |= DT_ISP8432;
1442 ha->device_type |= DT_ZIO_SUPPORTED;
1443 ha->device_type |= DT_FWI2;
1444 ha->device_type |= DT_IIDMA;
1445 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1446 break;
044cc6c8
AV		 1447 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1448 ha->device_type |= DT_ISP5422;
e428924c 1449 ha->device_type |= DT_FWI2;
441d1072 1450 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1451 break;
044cc6c8
AV		 1452 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1453 ha->device_type |= DT_ISP5432;
e428924c 1454 ha->device_type |= DT_FWI2;
441d1072 1455 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1456 break;
c3a2f0df
AV		 1457 case PCI_DEVICE_ID_QLOGIC_ISP2532:
1458 ha->device_type |= DT_ISP2532;
1459 ha->device_type |= DT_ZIO_SUPPORTED;
1460 ha->device_type |= DT_FWI2;
1461 ha->device_type |= DT_IIDMA;
441d1072 1462 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382
AV		 1463 break;
1464 }
1465}
1466
1da177e4 1467static int
e315cd28 1468qla2x00_iospace_config(struct qla_hw_data *ha)
1da177e4 1469{
3776541d 1470 resource_size_t pio;
1da177e4 1471
285d0321
AV		 1472 if (pci_request_selected_regions(ha->pdev, ha->bars,
1473 QLA2XXX_DRIVER_NAME)) {
1474 qla_printk(KERN_WARNING, ha,
1475 "Failed to reserve PIO/MMIO regions (%s)\n",
1476 pci_name(ha->pdev));
1477
1478 goto iospace_error_exit;
1479 }
1480 if (!(ha->bars & 1))
1481 goto skip_pio;
1482
1da177e4
LT		 1483 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1484 pio = pci_resource_start(ha->pdev, 0);
3776541d
AV		 1485 if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1486 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1da177e4
LT		 1487 qla_printk(KERN_WARNING, ha,
1488 "Invalid PCI I/O region size (%s)...\n",
1489 pci_name(ha->pdev));
1490 pio = 0;
1491 }
1492 } else {
1493 qla_printk(KERN_WARNING, ha,
1494 "region #0 not a PIO resource (%s)...\n",
1495 pci_name(ha->pdev));
1496 pio = 0;
1497 }
285d0321 1498 ha->pio_address = pio;
1da177e4 1499
285d0321 1500skip_pio:
1da177e4 1501 /* Use MMIO operations for all accesses. */
3776541d 1502 if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1da177e4 1503 qla_printk(KERN_ERR, ha,
3776541d 1504 "region #1 not an MMIO resource (%s), aborting\n",
1da177e4
LT		 1505 pci_name(ha->pdev));
1506 goto iospace_error_exit;
1507 }
3776541d 1508 if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1da177e4
LT		 1509 qla_printk(KERN_ERR, ha,
1510 "Invalid PCI mem region size (%s), aborting\n",
1511 pci_name(ha->pdev));
1512 goto iospace_error_exit;
1513 }
1514
3776541d 1515 ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1da177e4
LT		 1516 if (!ha->iobase) {
1517 qla_printk(KERN_ERR, ha,
1518 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1519
1520 goto iospace_error_exit;
1521 }
1522
1523 return (0);
1524
1525iospace_error_exit:
1526 return (-ENOMEM);
1527}
1528
1e99e33a
AV		 1529static void
1530qla2xxx_scan_start(struct Scsi_Host *shost)
1531{
e315cd28 1532 scsi_qla_host_t *vha = shost_priv(shost);
1e99e33a 1533
e315cd28
AC		 1534 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1535 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1536 set_bit(RSCN_UPDATE, &vha->dpc_flags);
1537 set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
1e99e33a
AV		 1538}
1539
1540static int
1541qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1542{
e315cd28 1543 scsi_qla_host_t *vha = shost_priv(shost);
1e99e33a 1544
e315cd28 1545 if (!vha->host)
1e99e33a 1546 return 1;
e315cd28 1547 if (time > vha->hw->loop_reset_delay * HZ)
1e99e33a
AV		 1548 return 1;
1549
e315cd28 1550 return atomic_read(&vha->loop_state) == LOOP_READY;
1e99e33a
AV		 1551}
1552
1da177e4
LT		 1553/*
1554 * PCI driver interface
1555 */
7ee61397
AV		 1556static int __devinit
1557qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1da177e4 1558{
a1541d5a 1559 int ret = -ENODEV;
1da177e4 1560 struct Scsi_Host *host;
e315cd28
AC		 1561 scsi_qla_host_t *base_vha = NULL;
1562 struct qla_hw_data *ha;
29856e28 1563 char pci_info[30];
1da177e4 1564 char fw_str[30];
5433383e 1565 struct scsi_host_template *sht;
e315cd28
AC		 1566 int bars, mem_only, max_id = 0;
1567 uint16_t req_length = 0, rsp_length = 0;
1da177e4 1568
285d0321 1569 bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
5433383e
AV		 1570 sht = &qla2x00_driver_template;
1571 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
8bc69e7d 1572 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
4d4df193 1573 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
8bc69e7d 1574 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
c3a2f0df 1575 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
285d0321
AV		 1576 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532) {
1577 bars = pci_select_bars(pdev, IORESOURCE_MEM);
5433383e 1578 sht = &qla24xx_driver_template;
09483916 1579 mem_only = 1;
285d0321
AV		 1580 }
1581
09483916
BH		 1582 if (mem_only) {
1583 if (pci_enable_device_mem(pdev))
1584 goto probe_out;
1585 } else {
1586 if (pci_enable_device(pdev))
1587 goto probe_out;
1588 }
285d0321 1589
0927678f
JB		 1590 /* This may fail but that's ok */
1591 pci_enable_pcie_error_reporting(pdev);
285d0321 1592
e315cd28
AC		 1593 ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
1594 if (!ha) {
1595 DEBUG(printk("Unable to allocate memory for ha\n"));
1596 goto probe_out;
1da177e4 1597 }
e315cd28 1598 ha->pdev = pdev;
1da177e4
LT		 1599
1600 /* Clear our data area */
285d0321 1601 ha->bars = bars;
09483916 1602 ha->mem_only = mem_only;
df4bf0bb 1603 spin_lock_init(&ha->hardware_lock);
1da177e4 1604
ea5b6382
AV		 1605 /* Set ISP-type information. */
1606 qla2x00_set_isp_flags(ha);
1da177e4
LT		 1607 /* Configure PCI I/O space */
1608 ret = qla2x00_iospace_config(ha);
a1541d5a 1609 if (ret)
e315cd28 1610 goto probe_hw_failed;
1da177e4 1611
1da177e4 1612 qla_printk(KERN_INFO, ha,
5433383e
AV		 1613 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1614 ha->iobase);
1da177e4 1615
1da177e4 1616 ha->prev_topology = 0;
fca29703 1617 ha->init_cb_size = sizeof(init_cb_t);
d8b45213 1618 ha->link_data_rate = PORT_SPEED_UNKNOWN;
854165f4 1619 ha->optrom_size = OPTROM_SIZE_2300;
1da177e4 1620
abbd8870 1621 /* Assign ISP specific operations. */
e315cd28 1622 max_id = MAX_TARGETS_2200;
1da177e4 1623 if (IS_QLA2100(ha)) {
e315cd28 1624 max_id = MAX_TARGETS_2100;
1da177e4 1625 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
e315cd28
AC		 1626 req_length = REQUEST_ENTRY_CNT_2100;
1627 rsp_length = RESPONSE_ENTRY_CNT_2100;
1628 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
abbd8870 1629 ha->gid_list_info_size = 4;
fd34f556 1630 ha->isp_ops = &qla2100_isp_ops;
1da177e4 1631 } else if (IS_QLA2200(ha)) {
1da177e4 1632 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1633 req_length = REQUEST_ENTRY_CNT_2200;
1634 rsp_length = RESPONSE_ENTRY_CNT_2100;
1635 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
abbd8870 1636 ha->gid_list_info_size = 4;
fd34f556 1637 ha->isp_ops = &qla2100_isp_ops;
fca29703 1638 } else if (IS_QLA23XX(ha)) {
1da177e4 1639 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1640 req_length = REQUEST_ENTRY_CNT_2200;
1641 rsp_length = RESPONSE_ENTRY_CNT_2300;
1642 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
abbd8870 1643 ha->gid_list_info_size = 6;
854165f4
AV		 1644 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1645 ha->optrom_size = OPTROM_SIZE_2322;
fd34f556 1646 ha->isp_ops = &qla2300_isp_ops;
4d4df193 1647 } else if (IS_QLA24XX_TYPE(ha)) {
fca29703 1648 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1649 req_length = REQUEST_ENTRY_CNT_24XX;
1650 rsp_length = RESPONSE_ENTRY_CNT_2300;
1651 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2c3dfe3f 1652 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
fca29703 1653 ha->gid_list_info_size = 8;
854165f4 1654 ha->optrom_size = OPTROM_SIZE_24XX;
fd34f556 1655 ha->isp_ops = &qla24xx_isp_ops;
c3a2f0df 1656 } else if (IS_QLA25XX(ha)) {
c3a2f0df 1657 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 1658 req_length = REQUEST_ENTRY_CNT_24XX;
1659 rsp_length = RESPONSE_ENTRY_CNT_2300;
1660 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
c3a2f0df 1661 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
c3a2f0df
AV		 1662 ha->gid_list_info_size = 8;
1663 ha->optrom_size = OPTROM_SIZE_25XX;
1664 ha->isp_ops = &qla25xx_isp_ops;
1da177e4 1665 }
1da177e4 1666
6c2f527c 1667 mutex_init(&ha->vport_lock);
0b05a1f0
MB		 1668 init_completion(&ha->mbx_cmd_comp);
1669 complete(&ha->mbx_cmd_comp);
1670 init_completion(&ha->mbx_intr_comp);
1da177e4 1671
2c3dfe3f 1672 set_bit(0, (unsigned long *) ha->vp_idx_map);
1da177e4 1673
e315cd28
AC		 1674 ret = qla2x00_mem_alloc(ha, req_length, rsp_length);
1675 if (!ret) {
1da177e4
LT		 1676 qla_printk(KERN_WARNING, ha,
1677 "[ERROR] Failed to allocate memory for adapter\n");
1678
e315cd28
AC		 1679 goto probe_hw_failed;
1680 }
1681
1682 ha->req->max_q_depth = MAX_Q_DEPTH;
1683 if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
1684 ha->req->max_q_depth = ql2xmaxqdepth;
1685
1686 base_vha = qla2x00_create_host(sht, ha);
1687 if (!base_vha) {
1688 qla_printk(KERN_WARNING, ha,
1689 "[ERROR] Failed to allocate memory for scsi_host\n");
1690
a1541d5a 1691 ret = -ENOMEM;
e315cd28 1692 goto probe_hw_failed;
1da177e4
LT		 1693 }
1694
e315cd28
AC		 1695 pci_set_drvdata(pdev, base_vha);
1696
1697 qla2x00_config_dma_addressing(base_vha);
1698
1699 host = base_vha->host;
1700 host->can_queue = ha->req->length + 128;
1701 if (IS_QLA2XXX_MIDTYPE(ha)) {
1702 base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
1703 } else {
1704 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
1705 base_vha->vp_idx;
1706 }
1707 if (IS_QLA2100(ha))
1708 host->sg_tablesize = 32;
1709 host->max_id = max_id;
1710 host->this_id = 255;
1711 host->cmd_per_lun = 3;
1712 host->unique_id = host->host_no;
1713 host->max_cmd_len = MAX_CMDSZ;
1714 host->max_channel = MAX_BUSES - 1;
1715 host->max_lun = MAX_LUNS;
1716 host->transportt = qla2xxx_transport_template;
1717
1718 if (qla2x00_initialize_adapter(base_vha)) {
1da177e4
LT		 1719 qla_printk(KERN_WARNING, ha,
1720 "Failed to initialize adapter\n");
1721
1722 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1723 "Adapter flags %x.\n",
e315cd28 1724 base_vha->host_no, base_vha->device_flags));
1da177e4 1725
a1541d5a 1726 ret = -ENODEV;
1da177e4
LT		 1727 goto probe_failed;
1728 }
1729
e315cd28
AC		 1730 /* Set up the irqs */
1731 ret = qla2x00_request_irqs(ha);
1732 if (ret)
1733 goto probe_failed;
1734
1da177e4
LT		 1735 /*
1736 * Startup the kernel thread for this host adapter
1737 */
39a11240 1738 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
e315cd28 1739 "%s_dpc", base_vha->host_str);
39a11240 1740 if (IS_ERR(ha->dpc_thread)) {
1da177e4
LT		 1741 qla_printk(KERN_WARNING, ha,
1742 "Unable to start DPC thread!\n");
39a11240 1743 ret = PTR_ERR(ha->dpc_thread);
1da177e4
LT		 1744 goto probe_failed;
1745 }
1da177e4 1746
e315cd28
AC		 1747 list_add_tail(&base_vha->list, &ha->vp_list);
1748 base_vha->host->irq = ha->pdev->irq;
1da177e4
LT		 1749
1750 /* Initialized the timer */
e315cd28 1751 qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
1da177e4
LT		 1752
1753 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
e315cd28 1754 base_vha->host_no, ha));
d19044c3 1755
e315cd28
AC		 1756 base_vha->flags.init_done = 1;
1757 base_vha->flags.online = 1;
d19044c3 1758
a1541d5a
AV		 1759 ret = scsi_add_host(host, &pdev->dev);
1760 if (ret)
1761 goto probe_failed;
1762
048feec5
AV		 1763 ha->isp_ops->enable_intrs(ha);
1764
1e99e33a
AV		 1765 scsi_scan_host(host);
1766
e315cd28 1767 qla2x00_alloc_sysfs_attr(base_vha);
a1541d5a 1768
e315cd28 1769 qla2x00_init_host_attr(base_vha);
a1541d5a 1770
e315cd28 1771 qla2x00_dfs_setup(base_vha);
df613b96 1772
1da177e4
LT		 1773 qla_printk(KERN_INFO, ha, "\n"
1774 " QLogic Fibre Channel HBA Driver: %s\n"
1775 " QLogic %s - %s\n"
5433383e
AV		 1776 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
1777 qla2x00_version_str, ha->model_number,
e315cd28
AC		 1778 ha->model_desc ? ha->model_desc : "", pdev->device,
1779 ha->isp_ops->pci_info_str(base_vha, pci_info), pci_name(pdev),
1780 ha->flags.enable_64bit_addressing ? '+' : '-', base_vha->host_no,
1781 ha->isp_ops->fw_version_str(base_vha, fw_str));
1da177e4 1782
1da177e4
LT		 1783 return 0;
1784
1785probe_failed:
e315cd28 1786 qla2x00_free_device(base_vha);
1da177e4 1787
e315cd28 1788 scsi_host_put(base_vha->host);
1da177e4 1789
e315cd28
AC		 1790probe_hw_failed:
1791 if (ha->iobase)
1792 iounmap(ha->iobase);
1793
1794 pci_release_selected_regions(ha->pdev, ha->bars);
1795 kfree(ha);
1796 ha = NULL;
1da177e4 1797
a1541d5a 1798probe_out:
e315cd28 1799 pci_disable_device(pdev);
a1541d5a 1800 return ret;
1da177e4 1801}
1da177e4 1802
4c993f76 1803static void
7ee61397 1804qla2x00_remove_one(struct pci_dev *pdev)
1da177e4 1805{
e315cd28
AC		 1806 scsi_qla_host_t *base_vha, *vha, *temp;
1807 struct qla_hw_data *ha;
1808
1809 base_vha = pci_get_drvdata(pdev);
1810 ha = base_vha->hw;
1811
1812 list_for_each_entry_safe(vha, temp, &ha->vp_list, list) {
1813 if (vha && vha->fc_vport)
1814 fc_vport_terminate(vha->fc_vport);
1815 }
1da177e4 1816
e315cd28 1817 set_bit(UNLOADING, &base_vha->dpc_flags);
1da177e4 1818
e315cd28 1819 qla2x00_dfs_remove(base_vha);
c795c1e4 1820
e315cd28 1821 qla84xx_put_chip(base_vha);
c795c1e4 1822
e315cd28 1823 qla2x00_free_sysfs_attr(base_vha);
df613b96 1824
e315cd28 1825 fc_remove_host(base_vha->host);
4d4df193 1826
e315cd28 1827 scsi_remove_host(base_vha->host);
1da177e4 1828
e315cd28 1829 qla2x00_free_device(base_vha);
bdf79621 1830
e315cd28 1831 scsi_host_put(base_vha->host);
1da177e4 1832
e315cd28
AC		 1833 if (ha->iobase)
1834 iounmap(ha->iobase);
1da177e4 1835
e315cd28
AC		 1836 pci_release_selected_regions(ha->pdev, ha->bars);
1837 kfree(ha);
1838 ha = NULL;
1da177e4 1839
665db93b 1840 pci_disable_device(pdev);
1da177e4
LT		 1841 pci_set_drvdata(pdev, NULL);
1842}
1da177e4
LT		 1843
1844static void
e315cd28 1845qla2x00_free_device(scsi_qla_host_t *vha)
1da177e4 1846{
e315cd28
AC		 1847 struct qla_hw_data *ha = vha->hw;
1848 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
df4bf0bb 1849
1da177e4 1850 /* Disable timer */
e315cd28
AC		 1851 if (vha->timer_active)
1852 qla2x00_stop_timer(vha);
1da177e4 1853
e315cd28 1854 vha->flags.online = 0;
df4bf0bb 1855
1da177e4 1856 /* Kill the kernel thread for this host */
39a11240
CH		 1857 if (ha->dpc_thread) {
1858 struct task_struct *t = ha->dpc_thread;
1da177e4 1859
39a11240
CH		 1860 /*
1861 * qla2xxx_wake_dpc checks for ->dpc_thread
1862 * so we need to zero it out.
1863 */
1864 ha->dpc_thread = NULL;
1865 kthread_stop(t);
1da177e4
LT		 1866 }
1867
df613b96 1868 if (ha->flags.fce_enabled)
e315cd28 1869 qla2x00_disable_fce_trace(vha, NULL, NULL);
df613b96 1870
a7a167bf 1871 if (ha->eft)
e315cd28 1872 qla2x00_disable_eft_trace(vha);
a7a167bf 1873
f6ef3b18 1874 /* Stop currently executing firmware. */
e315cd28 1875 qla2x00_try_to_stop_firmware(vha);
1da177e4 1876
f6ef3b18
AV		 1877 /* turn-off interrupts on the card */
1878 if (ha->interrupts_on)
fd34f556 1879 ha->isp_ops->disable_intrs(ha);
f6ef3b18 1880
e315cd28 1881 qla2x00_free_irqs(vha);
1da177e4 1882
e315cd28 1883 qla2x00_mem_free(ha);
1da177e4
LT		 1884}
1885
d97994dc 1886static inline void
e315cd28 1887qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
d97994dc
AV		 1888 int defer)
1889{
d97994dc
AV		 1890 struct fc_rport *rport;
1891
1892 if (!fcport->rport)
1893 return;
1894
1895 rport = fcport->rport;
1896 if (defer) {
e315cd28 1897 spin_lock_irq(vha->host->host_lock);
d97994dc 1898 fcport->drport = rport;
e315cd28
AC		 1899 spin_unlock_irq(vha->host->host_lock);
1900 set_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags);
1901 qla2xxx_wake_dpc(vha);
5f3a9a20 1902 } else
d97994dc 1903 fc_remote_port_delete(rport);
d97994dc
AV		 1904}
1905
1da177e4
LT		 1906/*
1907 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
1908 *
1909 * Input: ha = adapter block pointer. fcport = port structure pointer.
1910 *
1911 * Return: None.
1912 *
1913 * Context:
1914 */
e315cd28 1915void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
d97994dc 1916 int do_login, int defer)
1da177e4 1917{
2c3dfe3f 1918 if (atomic_read(&fcport->state) == FCS_ONLINE &&
e315cd28
AC		 1919 vha->vp_idx == fcport->vp_idx) {
1920 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1921 qla2x00_schedule_rport_del(vha, fcport, defer);
1922 }
fa2a1ce5 1923 /*
1da177e4
LT		 1924 * We may need to retry the login, so don't change the state of the
1925 * port but do the retries.
1926 */
1927 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
1928 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1929
1930 if (!do_login)
1931 return;
1932
1933 if (fcport->login_retry == 0) {
e315cd28
AC		 1934 fcport->login_retry = vha->hw->login_retry_count;
1935 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1da177e4
LT		 1936
1937 DEBUG(printk("scsi(%ld): Port login retry: "
1938 "%02x%02x%02x%02x%02x%02x%02x%02x, "
1939 "id = 0x%04x retry cnt=%d\n",
e315cd28 1940 vha->host_no,
1da177e4
LT		 1941 fcport->port_name[0],
1942 fcport->port_name[1],
1943 fcport->port_name[2],
1944 fcport->port_name[3],
1945 fcport->port_name[4],
1946 fcport->port_name[5],
1947 fcport->port_name[6],
1948 fcport->port_name[7],
1949 fcport->loop_id,
1950 fcport->login_retry));
1951 }
1952}
1953
1954/*
1955 * qla2x00_mark_all_devices_lost
1956 * Updates fcport state when device goes offline.
1957 *
1958 * Input:
1959 * ha = adapter block pointer.
1960 * fcport = port structure pointer.
1961 *
1962 * Return:
1963 * None.
1964 *
1965 * Context:
1966 */
1967void
e315cd28 1968qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
1da177e4
LT		 1969{
1970 fc_port_t *fcport;
1971
e315cd28
AC		 1972 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1973 if (vha->vp_idx != fcport->vp_idx)
1da177e4 1974 continue;
1da177e4
LT		 1975 /*
1976 * No point in marking the device as lost, if the device is
1977 * already DEAD.
1978 */
1979 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
1980 continue;
e315cd28
AC		 1981 if (atomic_read(&fcport->state) == FCS_ONLINE) {
1982 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1983 qla2x00_schedule_rport_del(vha, fcport, defer);
1984 } else
1985 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1da177e4
LT		 1986 }
1987}
1988
1989/*
1990* qla2x00_mem_alloc
1991* Allocates adapter memory.
1992*
1993* Returns:
1994* 0 = success.
e8711085 1995* !0 = failure.
1da177e4 1996*/
e8711085 1997static int
e315cd28 1998qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len)
1da177e4
LT		 1999{
2000 char name[16];
e315cd28
AC		 2001 struct req_que *req = NULL;
2002 struct rsp_que *rsp = NULL;
1da177e4 2003
e315cd28
AC		 2004 ha->init_cb_size = sizeof(init_cb_t);
2005 if (IS_QLA2XXX_MIDTYPE(ha))
2006 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
e8711085
AV		 2007
2008 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
e315cd28 2009 &ha->init_cb_dma, GFP_KERNEL);
e8711085 2010 if (!ha->init_cb)
e315cd28 2011 goto fail;
e8711085 2012
e315cd28
AC		 2013 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2014 &ha->gid_list_dma, GFP_KERNEL);
2015 if (!ha->gid_list)
e8711085 2016 goto fail_free_init_cb;
1da177e4 2017
e8711085
AV		 2018 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2019 if (!ha->srb_mempool)
e315cd28 2020 goto fail_free_gid_list;
e8711085
AV		 2021
2022 /* Get memory for cached NVRAM */
2023 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2024 if (!ha->nvram)
2025 goto fail_free_srb_mempool;
2026
e315cd28
AC		 2027 snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
2028 ha->pdev->device);
2029 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2030 DMA_POOL_SIZE, 8, 0);
2031 if (!ha->s_dma_pool)
2032 goto fail_free_nvram;
2033
e8711085
AV		 2034 /* Allocate memory for SNS commands */
2035 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
e315cd28 2036 /* Get consistent memory allocated for SNS commands */
e8711085 2037 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
e315cd28 2038 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
e8711085 2039 if (!ha->sns_cmd)
e315cd28 2040 goto fail_dma_pool;
e8711085 2041 } else {
e315cd28 2042 /* Get consistent memory allocated for MS IOCB */
e8711085 2043 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
e315cd28 2044 &ha->ms_iocb_dma);
e8711085 2045 if (!ha->ms_iocb)
e315cd28
AC		 2046 goto fail_dma_pool;
2047 /* Get consistent memory allocated for CT SNS commands */
e8711085 2048 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
e315cd28 2049 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
e8711085
AV		 2050 if (!ha->ct_sns)
2051 goto fail_free_ms_iocb;
1da177e4
LT		 2052 }
2053
e315cd28
AC		 2054 /* Allocate memory for request ring */
2055 req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
2056 if (!req) {
2057 DEBUG(printk("Unable to allocate memory for req\n"));
2058 goto fail_req;
2059 }
2060 ha->req = req;
2061 req->length = req_len;
2062 req->ring = dma_alloc_coherent(&ha->pdev->dev,
2063 (req->length + 1) * sizeof(request_t),
2064 &req->dma, GFP_KERNEL);
2065 if (!req->ring) {
2066 DEBUG(printk("Unable to allocate memory for req_ring\n"));
2067 goto fail_req_ring;
2068 }
2069 /* Allocate memory for response ring */
2070 rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
2071 if (!rsp) {
2072 DEBUG(printk("Unable to allocate memory for rsp\n"));
2073 goto fail_rsp;
2074 }
2075 ha->rsp = rsp;
2076 rsp->hw = ha;
2077 rsp->length = rsp_len;
2078
2079 rsp->ring = dma_alloc_coherent(&ha->pdev->dev,
2080 (rsp->length + 1) * sizeof(response_t),
2081 &rsp->dma, GFP_KERNEL);
2082 if (!rsp->ring) {
2083 DEBUG(printk("Unable to allocate memory for rsp_ring\n"));
2084 goto fail_rsp_ring;
2085 }
e8711085 2086
e315cd28
AC		 2087 INIT_LIST_HEAD(&ha->vp_list);
2088 return 1;
2089
2090fail_rsp_ring:
2091 kfree(rsp);
2092 ha->rsp = NULL;
2093fail_rsp:
2094 dma_free_coherent(&ha->pdev->dev, (req->length + 1) *
2095 sizeof(request_t), req->ring, req->dma);
2096 req->ring = NULL;
2097 req->dma = 0;
2098fail_req_ring:
2099 kfree(req);
2100 ha->req = NULL;
2101fail_req:
2102 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2103 ha->ct_sns, ha->ct_sns_dma);
2104 ha->ct_sns = NULL;
2105 ha->ct_sns_dma = 0;
e8711085
AV		 2106fail_free_ms_iocb:
2107 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2108 ha->ms_iocb = NULL;
2109 ha->ms_iocb_dma = 0;
e315cd28
AC		 2110fail_dma_pool:
2111 dma_pool_destroy(ha->s_dma_pool);
2112 ha->s_dma_pool = NULL;
e8711085
AV		 2113fail_free_nvram:
2114 kfree(ha->nvram);
2115 ha->nvram = NULL;
2116fail_free_srb_mempool:
2117 mempool_destroy(ha->srb_mempool);
2118 ha->srb_mempool = NULL;
e8711085
AV		 2119fail_free_gid_list:
2120 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
e315cd28 2121 ha->gid_list_dma);
e8711085
AV		 2122 ha->gid_list = NULL;
2123 ha->gid_list_dma = 0;
e315cd28
AC		 2124fail_free_init_cb:
2125 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
2126 ha->init_cb_dma);
2127 ha->init_cb = NULL;
2128 ha->init_cb_dma = 0;
e8711085 2129fail:
e315cd28 2130 DEBUG(printk("%s: Memory allocation failure\n", __func__));
e8711085 2131 return -ENOMEM;
1da177e4
LT		 2132}
2133
2134/*
2135* qla2x00_mem_free
2136* Frees all adapter allocated memory.
2137*
2138* Input:
2139* ha = adapter block pointer.
2140*/
a824ebb3 2141static void
e315cd28 2142qla2x00_mem_free(struct qla_hw_data *ha)
1da177e4 2143{
e315cd28
AC		 2144 struct req_que *req = ha->req;
2145 struct rsp_que *rsp = ha->rsp;
1da177e4 2146
e8711085
AV		 2147 if (ha->srb_mempool)
2148 mempool_destroy(ha->srb_mempool);
1da177e4 2149
df613b96
AV		 2150 if (ha->fce)
2151 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
e315cd28 2152 ha->fce_dma);
df613b96 2153
a7a167bf
AV		 2154 if (ha->fw_dump) {
2155 if (ha->eft)
2156 dma_free_coherent(&ha->pdev->dev,
e315cd28 2157 ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
a7a167bf
AV		 2158 vfree(ha->fw_dump);
2159 }
2160
1da177e4
LT		 2161 if (ha->sns_cmd)
2162 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
e315cd28 2163 ha->sns_cmd, ha->sns_cmd_dma);
1da177e4
LT		 2164
2165 if (ha->ct_sns)
2166 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
e315cd28 2167 ha->ct_sns, ha->ct_sns_dma);
1da177e4 2168
88729e53
AV		 2169 if (ha->sfp_data)
2170 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2171
1da177e4
LT		 2172 if (ha->ms_iocb)
2173 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2174
1da177e4
LT		 2175 if (ha->s_dma_pool)
2176 dma_pool_destroy(ha->s_dma_pool);
2177
2c3dfe3f 2178
1da177e4
LT		 2179 if (ha->gid_list)
2180 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
e315cd28 2181 ha->gid_list_dma);
1da177e4 2182
1da177e4 2183
e315cd28
AC		 2184 if (ha->init_cb)
2185 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2186 ha->init_cb, ha->init_cb_dma);
2187 vfree(ha->optrom_buffer);
2188 kfree(ha->nvram);
1da177e4 2189
e8711085 2190 ha->srb_mempool = NULL;
a7a167bf
AV		 2191 ha->eft = NULL;
2192 ha->eft_dma = 0;
1da177e4
LT		 2193 ha->sns_cmd = NULL;
2194 ha->sns_cmd_dma = 0;
2195 ha->ct_sns = NULL;
2196 ha->ct_sns_dma = 0;
2197 ha->ms_iocb = NULL;
2198 ha->ms_iocb_dma = 0;
1da177e4
LT		 2199 ha->init_cb = NULL;
2200 ha->init_cb_dma = 0;
2201
2202 ha->s_dma_pool = NULL;
2203
1da177e4
LT		 2204 ha->gid_list = NULL;
2205 ha->gid_list_dma = 0;
2206
e315cd28
AC		 2207 ha->fw_dump = NULL;
2208 ha->fw_dumped = 0;
2209 ha->fw_dump_reading = 0;
2210
2211 if (rsp) {
2212 if (rsp->ring)
2213 dma_free_coherent(&ha->pdev->dev,
2214 (rsp->length + 1) * sizeof(response_t),
2215 rsp->ring, rsp->dma);
2216
2217 kfree(rsp);
2218 rsp = NULL;
2219 }
1da177e4 2220
e315cd28
AC		 2221 if (req) {
2222 if (req->ring)
2223 dma_free_coherent(&ha->pdev->dev,
2224 (req->length + 1) * sizeof(request_t),
2225 req->ring, req->dma);
1da177e4 2226
e315cd28
AC		 2227 kfree(req);
2228 req = NULL;
1da177e4 2229 }
e315cd28 2230}
1da177e4 2231
e315cd28
AC		 2232struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
2233 struct qla_hw_data *ha)
2234{
2235 struct Scsi_Host *host;
2236 struct scsi_qla_host *vha = NULL;
854165f4 2237
e315cd28
AC		 2238 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
2239 if (host == NULL) {
2240 printk(KERN_WARNING
2241 "qla2xxx: Couldn't allocate host from scsi layer!\n");
2242 goto fail;
2243 }
2244
2245 /* Clear our data area */
2246 vha = shost_priv(host);
2247 memset(vha, 0, sizeof(scsi_qla_host_t));
2248
2249 vha->host = host;
2250 vha->host_no = host->host_no;
2251 vha->hw = ha;
2252
2253 INIT_LIST_HEAD(&vha->vp_fcports);
2254 INIT_LIST_HEAD(&vha->work_list);
2255 INIT_LIST_HEAD(&vha->list);
2256
2257 sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
2258 return vha;
2259
2260fail:
2261 return vha;
1da177e4
LT		 2262}
2263
01ef66bb 2264static struct qla_work_evt *
e315cd28 2265qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type,
0971de7f
AV		 2266 int locked)
2267{
2268 struct qla_work_evt *e;
2269
2270 e = kzalloc(sizeof(struct qla_work_evt), locked ? GFP_ATOMIC:
2271 GFP_KERNEL);
2272 if (!e)
2273 return NULL;
2274
2275 INIT_LIST_HEAD(&e->list);
2276 e->type = type;
2277 e->flags = QLA_EVT_FLAG_FREE;
2278 return e;
2279}
2280
01ef66bb 2281static int
e315cd28 2282qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e, int locked)
0971de7f 2283{
bf6583b5 2284 unsigned long uninitialized_var(flags);
e315cd28 2285 struct qla_hw_data *ha = vha->hw;
0971de7f
AV		 2286
2287 if (!locked)
e315cd28
AC		 2288 spin_lock_irqsave(&ha->hardware_lock, flags);
2289 list_add_tail(&e->list, &vha->work_list);
2290 qla2xxx_wake_dpc(vha);
0971de7f 2291 if (!locked)
e315cd28 2292 spin_unlock_irqrestore(&ha->hardware_lock, flags);
0971de7f
AV		 2293 return QLA_SUCCESS;
2294}
2295
2296int
e315cd28 2297qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
0971de7f
AV		 2298 u32 data)
2299{
2300 struct qla_work_evt *e;
2301
e315cd28 2302 e = qla2x00_alloc_work(vha, QLA_EVT_AEN, 1);
0971de7f
AV		 2303 if (!e)
2304 return QLA_FUNCTION_FAILED;
2305
2306 e->u.aen.code = code;
2307 e->u.aen.data = data;
e315cd28 2308 return qla2x00_post_work(vha, e, 1);
0971de7f
AV		 2309}
2310
cb8dacbf 2311int
e315cd28 2312qla2x00_post_hwe_work(struct scsi_qla_host *vha, uint16_t code, uint16_t d1,
cb8dacbf
AV		 2313 uint16_t d2, uint16_t d3)
2314{
2315 struct qla_work_evt *e;
2316
e315cd28 2317 e = qla2x00_alloc_work(vha, QLA_EVT_HWE_LOG, 1);
cb8dacbf
AV		 2318 if (!e)
2319 return QLA_FUNCTION_FAILED;
2320
2321 e->u.hwe.code = code;
2322 e->u.hwe.d1 = d1;
2323 e->u.hwe.d2 = d2;
2324 e->u.hwe.d3 = d3;
e315cd28 2325 return qla2x00_post_work(vha, e, 1);
cb8dacbf
AV		 2326}
2327
0971de7f 2328static void
e315cd28 2329qla2x00_do_work(struct scsi_qla_host *vha)
0971de7f
AV		 2330{
2331 struct qla_work_evt *e;
e315cd28 2332 struct qla_hw_data *ha = vha->hw;
0971de7f 2333
e315cd28
AC		 2334 spin_lock_irq(&ha->hardware_lock);
2335 while (!list_empty(&vha->work_list)) {
2336 e = list_entry(vha->work_list.next, struct qla_work_evt, list);
0971de7f 2337 list_del_init(&e->list);
e315cd28 2338 spin_unlock_irq(&ha->hardware_lock);
0971de7f
AV		 2339
2340 switch (e->type) {
2341 case QLA_EVT_AEN:
e315cd28 2342 fc_host_post_event(vha->host, fc_get_event_number(),
0971de7f
AV		 2343 e->u.aen.code, e->u.aen.data);
2344 break;
cb8dacbf 2345 case QLA_EVT_HWE_LOG:
e315cd28 2346 qla2xxx_hw_event_log(vha, e->u.hwe.code, e->u.hwe.d1,
cb8dacbf
AV		 2347 e->u.hwe.d2, e->u.hwe.d3);
2348 break;
0971de7f
AV		 2349 }
2350 if (e->flags & QLA_EVT_FLAG_FREE)
2351 kfree(e);
e315cd28
AC		 2352 spin_lock_irq(&ha->hardware_lock);
2353 }
2354 spin_unlock_irq(&ha->hardware_lock);
2355}
2356/* Relogins all the fcports of a vport
2357 * Context: dpc thread
2358 */
2359void qla2x00_relogin(struct scsi_qla_host *vha)
2360{
2361 fc_port_t *fcport;
2362 uint8_t status;
2363 uint16_t next_loopid = 0;
2364 struct qla_hw_data *ha = vha->hw;
2365
2366 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2367 /*
2368 * If the port is not ONLINE then try to login
2369 * to it if we haven't run out of retries.
2370 */
2371 if (atomic_read(&fcport->state) !=
2372 FCS_ONLINE && fcport->login_retry) {
2373
2374 if (fcport->flags & FCF_FABRIC_DEVICE) {
2375 if (fcport->flags & FCF_TAPE_PRESENT)
2376 ha->isp_ops->fabric_logout(vha,
2377 fcport->loop_id,
2378 fcport->d_id.b.domain,
2379 fcport->d_id.b.area,
2380 fcport->d_id.b.al_pa);
2381
2382 status = qla2x00_fabric_login(vha, fcport,
2383 &next_loopid);
2384 } else
2385 status = qla2x00_local_device_login(vha,
2386 fcport);
2387
2388 fcport->login_retry--;
2389 if (status == QLA_SUCCESS) {
2390 fcport->old_loop_id = fcport->loop_id;
2391
2392 DEBUG(printk("scsi(%ld): port login OK: logged "
2393 "in ID 0x%x\n", vha->host_no, fcport->loop_id));
2394
2395 qla2x00_update_fcport(vha, fcport);
2396
2397 } else if (status == 1) {
2398 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2399 /* retry the login again */
2400 DEBUG(printk("scsi(%ld): Retrying"
2401 " %d login again loop_id 0x%x\n",
2402 vha->host_no, fcport->login_retry,
2403 fcport->loop_id));
2404 } else {
2405 fcport->login_retry = 0;
2406 }
2407
2408 if (fcport->login_retry == 0 && status != QLA_SUCCESS)
2409 fcport->loop_id = FC_NO_LOOP_ID;
2410 }
2411 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2412 break;
0971de7f 2413 }
0971de7f
AV		 2414}
2415
1da177e4
LT		 2416/**************************************************************************
2417* qla2x00_do_dpc
2418* This kernel thread is a task that is schedule by the interrupt handler
2419* to perform the background processing for interrupts.
2420*
2421* Notes:
2422* This task always run in the context of a kernel thread. It
2423* is kick-off by the driver's detect code and starts up
2424* up one per adapter. It immediately goes to sleep and waits for
2425* some fibre event. When either the interrupt handler or
2426* the timer routine detects a event it will one of the task
2427* bits then wake us up.
2428**************************************************************************/
2429static int
2430qla2x00_do_dpc(void *data)
2431{
2c3dfe3f 2432 int rval;
e315cd28
AC		 2433 scsi_qla_host_t *base_vha;
2434 struct qla_hw_data *ha;
1da177e4 2435
e315cd28
AC		 2436 ha = (struct qla_hw_data *)data;
2437 base_vha = pci_get_drvdata(ha->pdev);
1da177e4 2438
1da177e4
LT		 2439 set_user_nice(current, -20);
2440
39a11240 2441 while (!kthread_should_stop()) {
1da177e4
LT		 2442 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2443
39a11240
CH		 2444 set_current_state(TASK_INTERRUPTIBLE);
2445 schedule();
2446 __set_current_state(TASK_RUNNING);
1da177e4
LT		 2447
2448 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2449
2450 /* Initialization not yet finished. Don't do anything yet. */
e315cd28 2451 if (!base_vha->flags.init_done)
1da177e4
LT		 2452 continue;
2453
e315cd28 2454 DEBUG3(printk("scsi(%ld): DPC handler\n", base_vha->host_no));
1da177e4
LT		 2455
2456 ha->dpc_active = 1;
2457
1da177e4 2458 if (ha->flags.mbox_busy) {
1da177e4
LT		 2459 ha->dpc_active = 0;
2460 continue;
2461 }
2462
e315cd28 2463 qla2x00_do_work(base_vha);
0971de7f 2464
e315cd28
AC		 2465 if (test_and_clear_bit(ISP_ABORT_NEEDED,
2466 &base_vha->dpc_flags)) {
1da177e4
LT		 2467
2468 DEBUG(printk("scsi(%ld): dpc: sched "
2469 "qla2x00_abort_isp ha = %p\n",
e315cd28 2470 base_vha->host_no, ha));
1da177e4 2471 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
e315cd28 2472 &base_vha->dpc_flags))) {
1da177e4 2473
e315cd28 2474 if (qla2x00_abort_isp(base_vha)) {
1da177e4
LT		 2475 /* failed. retry later */
2476 set_bit(ISP_ABORT_NEEDED,
e315cd28 2477 &base_vha->dpc_flags);
99363ef8 2478 }
e315cd28
AC		 2479 clear_bit(ABORT_ISP_ACTIVE,
2480 &base_vha->dpc_flags);
99363ef8
SJ		 2481 }
2482
1da177e4 2483 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
e315cd28 2484 base_vha->host_no));
1da177e4
LT		 2485 }
2486
e315cd28
AC		 2487 if (test_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags)) {
2488 qla2x00_update_fcports(base_vha);
2489 clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
c9c5ced9 2490 }
d97994dc 2491
e315cd28
AC		 2492 if (test_and_clear_bit(RESET_MARKER_NEEDED,
2493 &base_vha->dpc_flags) &&
2494 (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
1da177e4
LT		 2495
2496 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
e315cd28 2497 base_vha->host_no));
1da177e4 2498
e315cd28
AC		 2499 qla2x00_rst_aen(base_vha);
2500 clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
1da177e4
LT		 2501 }
2502
2503 /* Retry each device up to login retry count */
e315cd28
AC		 2504 if ((test_and_clear_bit(RELOGIN_NEEDED,
2505 &base_vha->dpc_flags)) &&
2506 !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
2507 atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
1da177e4
LT		 2508
2509 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
e315cd28
AC		 2510 base_vha->host_no));
2511 qla2x00_relogin(base_vha);
2512
1da177e4 2513 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
e315cd28 2514 base_vha->host_no));
1da177e4
LT		 2515 }
2516
e315cd28
AC		 2517 if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
2518 &base_vha->dpc_flags)) {
1da177e4
LT		 2519
2520 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
e315cd28 2521 base_vha->host_no));
1da177e4
LT		 2522
2523 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
e315cd28 2524 &base_vha->dpc_flags))) {
1da177e4 2525
e315cd28 2526 rval = qla2x00_loop_resync(base_vha);
1da177e4 2527
e315cd28
AC		 2528 clear_bit(LOOP_RESYNC_ACTIVE,
2529 &base_vha->dpc_flags);
1da177e4
LT		 2530 }
2531
2532 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
e315cd28 2533 base_vha->host_no));
1da177e4
LT		 2534 }
2535
e315cd28
AC		 2536 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
2537 atomic_read(&base_vha->loop_state) == LOOP_READY) {
2538 clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
2539 qla2xxx_flash_npiv_conf(base_vha);
272976ca
AV		 2540 }
2541
1da177e4 2542 if (!ha->interrupts_on)
fd34f556 2543 ha->isp_ops->enable_intrs(ha);
1da177e4 2544
e315cd28
AC		 2545 if (test_and_clear_bit(BEACON_BLINK_NEEDED,
2546 &base_vha->dpc_flags))
2547 ha->isp_ops->beacon_blink(base_vha);
f6df144c 2548
e315cd28 2549 qla2x00_do_dpc_all_vps(base_vha);
2c3dfe3f 2550
1da177e4
LT		 2551 ha->dpc_active = 0;
2552 } /* End of while(1) */
2553
e315cd28 2554 DEBUG(printk("scsi(%ld): DPC handler exiting\n", base_vha->host_no));
1da177e4
LT		 2555
2556 /*
2557 * Make sure that nobody tries to wake us up again.
2558 */
1da177e4
LT		 2559 ha->dpc_active = 0;
2560
39a11240
CH		 2561 return 0;
2562}
2563
2564void
e315cd28 2565qla2xxx_wake_dpc(struct scsi_qla_host *vha)
39a11240 2566{
e315cd28 2567 struct qla_hw_data *ha = vha->hw;
c795c1e4
AV		 2568 struct task_struct *t = ha->dpc_thread;
2569
e315cd28 2570 if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
c795c1e4 2571 wake_up_process(t);
1da177e4
LT		 2572}
2573
1da177e4
LT		 2574/*
2575* qla2x00_rst_aen
2576* Processes asynchronous reset.
2577*
2578* Input:
2579* ha = adapter block pointer.
2580*/
2581static void
e315cd28 2582qla2x00_rst_aen(scsi_qla_host_t *vha)
1da177e4 2583{
e315cd28
AC		 2584 if (vha->flags.online && !vha->flags.reset_active &&
2585 !atomic_read(&vha->loop_down_timer) &&
2586 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
1da177e4 2587 do {
e315cd28 2588 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
1da177e4
LT		 2589
2590 /*
2591 * Issue marker command only when we are going to start
2592 * the I/O.
2593 */
e315cd28
AC		 2594 vha->marker_needed = 1;
2595 } while (!atomic_read(&vha->loop_down_timer) &&
2596 (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
1da177e4
LT		 2597 }
2598}
2599
f4f051eb 2600static void
e315cd28 2601qla2x00_sp_free_dma(srb_t *sp)
f4f051eb
AV		 2602{
2603 struct scsi_cmnd *cmd = sp->cmd;
2604
2605 if (sp->flags & SRB_DMA_VALID) {
385d70b4 2606 scsi_dma_unmap(cmd);
f4f051eb
AV		 2607 sp->flags &= ~SRB_DMA_VALID;
2608 }
fca29703 2609 CMD_SP(cmd) = NULL;
f4f051eb
AV		 2610}
2611
2612void
e315cd28 2613qla2x00_sp_compl(scsi_qla_host_t *vha, srb_t *sp)
f4f051eb 2614{
e315cd28 2615 struct qla_hw_data *ha = vha->hw;
f4f051eb
AV		 2616 struct scsi_cmnd *cmd = sp->cmd;
2617
e315cd28 2618 qla2x00_sp_free_dma(sp);
f4f051eb 2619
f4f051eb
AV		 2620 mempool_free(sp, ha->srb_mempool);
2621
2622 cmd->scsi_done(cmd);
2623}
bdf79621 2624
1da177e4
LT		 2625/**************************************************************************
2626* qla2x00_timer
2627*
2628* Description:
2629* One second timer
2630*
2631* Context: Interrupt
2632***************************************************************************/
2c3dfe3f 2633void
e315cd28 2634qla2x00_timer(scsi_qla_host_t *vha)
1da177e4 2635{
1da177e4
LT		 2636 unsigned long cpu_flags = 0;
2637 fc_port_t *fcport;
1da177e4
LT		 2638 int start_dpc = 0;
2639 int index;
2640 srb_t *sp;
f4f051eb 2641 int t;
e315cd28
AC		 2642 struct qla_hw_data *ha = vha->hw;
2643 struct req_que *req = ha->req;
1da177e4
LT		 2644 /*
2645 * Ports - Port down timer.
2646 *
2647 * Whenever, a port is in the LOST state we start decrementing its port
2648 * down timer every second until it reaches zero. Once it reaches zero
fa2a1ce5 2649 * the port it marked DEAD.
1da177e4
LT		 2650 */
2651 t = 0;
e315cd28 2652 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1da177e4
LT		 2653 if (fcport->port_type != FCT_TARGET)
2654 continue;
2655
2656 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2657
2658 if (atomic_read(&fcport->port_down_timer) == 0)
2659 continue;
2660
fa2a1ce5 2661 if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
1da177e4 2662 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
fa2a1ce5 2663
1da177e4 2664 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
fca29703 2665 "%d remaining\n",
e315cd28 2666 vha->host_no,
1da177e4
LT		 2667 t, atomic_read(&fcport->port_down_timer)));
2668 }
2669 t++;
2670 } /* End of for fcport */
2671
1da177e4
LT		 2672
2673 /* Loop down handler. */
e315cd28
AC		 2674 if (atomic_read(&vha->loop_down_timer) > 0 &&
2675 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
2676 && vha->flags.online) {
1da177e4 2677
e315cd28
AC		 2678 if (atomic_read(&vha->loop_down_timer) ==
2679 vha->loop_down_abort_time) {
1da177e4
LT		 2680
2681 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2682 "queues before time expire\n",
e315cd28 2683 vha->host_no));
1da177e4 2684
e315cd28
AC		 2685 if (!IS_QLA2100(ha) && vha->link_down_timeout)
2686 atomic_set(&vha->loop_state, LOOP_DEAD);
1da177e4
LT		 2687
2688 /* Schedule an ISP abort to return any tape commands. */
2c3dfe3f 2689 /* NPIV - scan physical port only */
e315cd28 2690 if (!vha->vp_idx) {
2c3dfe3f
SJ		 2691 spin_lock_irqsave(&ha->hardware_lock,
2692 cpu_flags);
2693 for (index = 1;
2694 index < MAX_OUTSTANDING_COMMANDS;
2695 index++) {
2696 fc_port_t *sfcp;
2697
e315cd28 2698 sp = req->outstanding_cmds[index];
2c3dfe3f
SJ		 2699 if (!sp)
2700 continue;
2701 sfcp = sp->fcport;
2702 if (!(sfcp->flags & FCF_TAPE_PRESENT))
2703 continue;
bdf79621 2704
2c3dfe3f 2705 set_bit(ISP_ABORT_NEEDED,
e315cd28 2706 &vha->dpc_flags);
2c3dfe3f
SJ		 2707 break;
2708 }
2709 spin_unlock_irqrestore(&ha->hardware_lock,
e315cd28 2710 cpu_flags);
1da177e4 2711 }
e315cd28 2712 set_bit(ABORT_QUEUES_NEEDED, &vha->dpc_flags);
1da177e4
LT		 2713 start_dpc++;
2714 }
2715
2716 /* if the loop has been down for 4 minutes, reinit adapter */
e315cd28 2717 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
1da177e4
LT		 2718 DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - "
2719 "restarting queues.\n",
e315cd28 2720 vha->host_no));
1da177e4 2721
e315cd28 2722 set_bit(RESTART_QUEUES_NEEDED, &vha->dpc_flags);
1da177e4
LT		 2723 start_dpc++;
2724
e315cd28
AC		 2725 if (!(vha->device_flags & DFLG_NO_CABLE) &&
2726 !vha->vp_idx) {
1da177e4
LT		 2727 DEBUG(printk("scsi(%ld): Loop down - "
2728 "aborting ISP.\n",
e315cd28 2729 vha->host_no));
1da177e4
LT		 2730 qla_printk(KERN_WARNING, ha,
2731 "Loop down - aborting ISP.\n");
2732
e315cd28 2733 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 2734 }
2735 }
fca29703 2736 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
e315cd28
AC		 2737 vha->host_no,
2738 atomic_read(&vha->loop_down_timer)));
1da177e4
LT		 2739 }
2740
f6df144c
AV		 2741 /* Check if beacon LED needs to be blinked */
2742 if (ha->beacon_blink_led == 1) {
e315cd28 2743 set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
f6df144c
AV		 2744 start_dpc++;
2745 }
2746
550bf57d 2747 /* Process any deferred work. */
e315cd28 2748 if (!list_empty(&vha->work_list))
550bf57d
AV		 2749 start_dpc++;
2750
1da177e4 2751 /* Schedule the DPC routine if needed */
e315cd28
AC		 2752 if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
2753 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
2754 test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
1da177e4 2755 start_dpc ||
e315cd28
AC		 2756 test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
2757 test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
2758 test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
2759 test_bit(RELOGIN_NEEDED, &vha->dpc_flags)))
2760 qla2xxx_wake_dpc(vha);
1da177e4 2761
e315cd28 2762 qla2x00_restart_timer(vha, WATCH_INTERVAL);
1da177e4
LT		 2763}
2764
5433383e
AV		 2765/* Firmware interface routines. */
2766
c3a2f0df 2767#define FW_BLOBS 6
5433383e
AV		 2768#define FW_ISP21XX 0
2769#define FW_ISP22XX 1
2770#define FW_ISP2300 2
2771#define FW_ISP2322 3
48c02fde 2772#define FW_ISP24XX 4
c3a2f0df 2773#define FW_ISP25XX 5
5433383e 2774
bb8ee499
AV		 2775#define FW_FILE_ISP21XX "ql2100_fw.bin"
2776#define FW_FILE_ISP22XX "ql2200_fw.bin"
2777#define FW_FILE_ISP2300 "ql2300_fw.bin"
2778#define FW_FILE_ISP2322 "ql2322_fw.bin"
2779#define FW_FILE_ISP24XX "ql2400_fw.bin"
c3a2f0df 2780#define FW_FILE_ISP25XX "ql2500_fw.bin"
bb8ee499 2781
e1e82b6f 2782static DEFINE_MUTEX(qla_fw_lock);
5433383e
AV		 2783
2784static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
bb8ee499
AV		 2785 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
2786 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
2787 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
2788 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
2789 { .name = FW_FILE_ISP24XX, },
c3a2f0df 2790 { .name = FW_FILE_ISP25XX, },
5433383e
AV		 2791};
2792
2793struct fw_blob *
e315cd28 2794qla2x00_request_firmware(scsi_qla_host_t *vha)
5433383e 2795{
e315cd28 2796 struct qla_hw_data *ha = vha->hw;
5433383e
AV		 2797 struct fw_blob *blob;
2798
2799 blob = NULL;
2800 if (IS_QLA2100(ha)) {
2801 blob = &qla_fw_blobs[FW_ISP21XX];
2802 } else if (IS_QLA2200(ha)) {
2803 blob = &qla_fw_blobs[FW_ISP22XX];
48c02fde 2804 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
5433383e 2805 blob = &qla_fw_blobs[FW_ISP2300];
48c02fde 2806 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
5433383e 2807 blob = &qla_fw_blobs[FW_ISP2322];
4d4df193 2808 } else if (IS_QLA24XX_TYPE(ha)) {
5433383e 2809 blob = &qla_fw_blobs[FW_ISP24XX];
c3a2f0df
AV		 2810 } else if (IS_QLA25XX(ha)) {
2811 blob = &qla_fw_blobs[FW_ISP25XX];
5433383e
AV		 2812 }
2813
e1e82b6f 2814 mutex_lock(&qla_fw_lock);
5433383e
AV		 2815 if (blob->fw)
2816 goto out;
2817
2818 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
2819 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
e315cd28 2820 "(%s).\n", vha->host_no, blob->name));
5433383e
AV		 2821 blob->fw = NULL;
2822 blob = NULL;
2823 goto out;
2824 }
2825
2826out:
e1e82b6f 2827 mutex_unlock(&qla_fw_lock);
5433383e
AV		 2828 return blob;
2829}
2830
2831static void
2832qla2x00_release_firmware(void)
2833{
2834 int idx;
2835
e1e82b6f 2836 mutex_lock(&qla_fw_lock);
5433383e
AV		 2837 for (idx = 0; idx < FW_BLOBS; idx++)
2838 if (qla_fw_blobs[idx].fw)
2839 release_firmware(qla_fw_blobs[idx].fw);
e1e82b6f 2840 mutex_unlock(&qla_fw_lock);
5433383e
AV		 2841}
2842
14e660e6
SJ		 2843static pci_ers_result_t
2844qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
2845{
2846 switch (state) {
2847 case pci_channel_io_normal:
2848 return PCI_ERS_RESULT_CAN_RECOVER;
2849 case pci_channel_io_frozen:
2850 pci_disable_device(pdev);
2851 return PCI_ERS_RESULT_NEED_RESET;
2852 case pci_channel_io_perm_failure:
2853 qla2x00_remove_one(pdev);
2854 return PCI_ERS_RESULT_DISCONNECT;
2855 }
2856 return PCI_ERS_RESULT_NEED_RESET;
2857}
2858
2859static pci_ers_result_t
2860qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
2861{
2862 int risc_paused = 0;
2863 uint32_t stat;
2864 unsigned long flags;
e315cd28
AC		 2865 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
2866 struct qla_hw_data *ha = base_vha->hw;
14e660e6
SJ		 2867 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2868 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
2869
2870 spin_lock_irqsave(&ha->hardware_lock, flags);
2871 if (IS_QLA2100(ha) || IS_QLA2200(ha)){
2872 stat = RD_REG_DWORD(&reg->hccr);
2873 if (stat & HCCR_RISC_PAUSE)
2874 risc_paused = 1;
2875 } else if (IS_QLA23XX(ha)) {
2876 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
2877 if (stat & HSR_RISC_PAUSED)
2878 risc_paused = 1;
2879 } else if (IS_FWI2_CAPABLE(ha)) {
2880 stat = RD_REG_DWORD(&reg24->host_status);
2881 if (stat & HSRX_RISC_PAUSED)
2882 risc_paused = 1;
2883 }
2884 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2885
2886 if (risc_paused) {
2887 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
2888 "Dumping firmware!\n");
e315cd28 2889 ha->isp_ops->fw_dump(base_vha, 0);
14e660e6
SJ		 2890
2891 return PCI_ERS_RESULT_NEED_RESET;
2892 } else
2893 return PCI_ERS_RESULT_RECOVERED;
2894}
2895
2896static pci_ers_result_t
2897qla2xxx_pci_slot_reset(struct pci_dev *pdev)
2898{
2899 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
e315cd28
AC		 2900 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
2901 struct qla_hw_data *ha = base_vha->hw;
09483916
BH		 2902 int rc;
2903
2904 if (ha->mem_only)
2905 rc = pci_enable_device_mem(pdev);
2906 else
2907 rc = pci_enable_device(pdev);
14e660e6 2908
09483916 2909 if (rc) {
14e660e6
SJ		 2910 qla_printk(KERN_WARNING, ha,
2911 "Can't re-enable PCI device after reset.\n");
2912
2913 return ret;
2914 }
2915 pci_set_master(pdev);
2916
e315cd28 2917 if (ha->isp_ops->pci_config(base_vha))
14e660e6
SJ		 2918 return ret;
2919
e315cd28
AC		 2920 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
2921 if (qla2x00_abort_isp(base_vha) == QLA_SUCCESS)
14e660e6 2922 ret = PCI_ERS_RESULT_RECOVERED;
e315cd28 2923 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
14e660e6
SJ		 2924
2925 return ret;
2926}
2927
2928static void
2929qla2xxx_pci_resume(struct pci_dev *pdev)
2930{
e315cd28
AC		 2931 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
2932 struct qla_hw_data *ha = base_vha->hw;
14e660e6
SJ		 2933 int ret;
2934
e315cd28 2935 ret = qla2x00_wait_for_hba_online(base_vha);
14e660e6
SJ		 2936 if (ret != QLA_SUCCESS) {
2937 qla_printk(KERN_ERR, ha,
2938 "the device failed to resume I/O "
2939 "from slot/link_reset");
2940 }
2941 pci_cleanup_aer_uncorrect_error_status(pdev);
2942}
2943
2944static struct pci_error_handlers qla2xxx_err_handler = {
2945 .error_detected = qla2xxx_pci_error_detected,
2946 .mmio_enabled = qla2xxx_pci_mmio_enabled,
2947 .slot_reset = qla2xxx_pci_slot_reset,
2948 .resume = qla2xxx_pci_resume,
2949};
2950
5433383e 2951static struct pci_device_id qla2xxx_pci_tbl[] = {
47f5e069
AV		 2952 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
2953 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
2954 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
2955 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
2956 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
2957 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
2958 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
2959 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
2960 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
4d4df193 2961 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
47f5e069
AV		 2962 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
2963 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
c3a2f0df 2964 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
5433383e
AV		 2965 { 0 },
2966};
2967MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
2968
fca29703 2969static struct pci_driver qla2xxx_pci_driver = {
cb63067a 2970 .name = QLA2XXX_DRIVER_NAME,
0a21ef1e
JB		 2971 .driver = {
2972 .owner = THIS_MODULE,
2973 },
fca29703 2974 .id_table = qla2xxx_pci_tbl,
7ee61397 2975 .probe = qla2x00_probe_one,
4c993f76 2976 .remove = qla2x00_remove_one,
14e660e6 2977 .err_handler = &qla2xxx_err_handler,
fca29703
AV		 2978};
2979
1da177e4
LT		 2980/**
2981 * qla2x00_module_init - Module initialization.
2982 **/
2983static int __init
2984qla2x00_module_init(void)
2985{
fca29703
AV		 2986 int ret = 0;
2987
1da177e4 2988 /* Allocate cache for SRBs. */
354d6b21 2989 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
20c2df83 2990 SLAB_HWCACHE_ALIGN, NULL);
1da177e4
LT		 2991 if (srb_cachep == NULL) {
2992 printk(KERN_ERR
2993 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
2994 return -ENOMEM;
2995 }
2996
2997 /* Derive version string. */
2998 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
11010fec 2999 if (ql2xextended_error_logging)
0181944f
AV		 3000 strcat(qla2x00_version_str, "-debug");
3001
1c97a12a
AV		 3002 qla2xxx_transport_template =
3003 fc_attach_transport(&qla2xxx_transport_functions);
2c3dfe3f
SJ		 3004 if (!qla2xxx_transport_template) {
3005 kmem_cache_destroy(srb_cachep);
1da177e4 3006 return -ENODEV;
2c3dfe3f
SJ		 3007 }
3008 qla2xxx_transport_vport_template =
3009 fc_attach_transport(&qla2xxx_transport_vport_functions);
3010 if (!qla2xxx_transport_vport_template) {
3011 kmem_cache_destroy(srb_cachep);
3012 fc_release_transport(qla2xxx_transport_template);
1da177e4 3013 return -ENODEV;
2c3dfe3f 3014 }
1da177e4 3015
fd9a29f0
AV		 3016 printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n",
3017 qla2x00_version_str);
7ee61397 3018 ret = pci_register_driver(&qla2xxx_pci_driver);
fca29703
AV		 3019 if (ret) {
3020 kmem_cache_destroy(srb_cachep);
3021 fc_release_transport(qla2xxx_transport_template);
2c3dfe3f 3022 fc_release_transport(qla2xxx_transport_vport_template);
fca29703
AV		 3023 }
3024 return ret;
1da177e4
LT		 3025}
3026
3027/**
3028 * qla2x00_module_exit - Module cleanup.
3029 **/
3030static void __exit
3031qla2x00_module_exit(void)
3032{
7ee61397 3033 pci_unregister_driver(&qla2xxx_pci_driver);
5433383e 3034 qla2x00_release_firmware();
354d6b21 3035 kmem_cache_destroy(srb_cachep);
1da177e4 3036 fc_release_transport(qla2xxx_transport_template);
2c3dfe3f 3037 fc_release_transport(qla2xxx_transport_vport_template);
1da177e4
LT		 3038}
3039
3040module_init(qla2x00_module_init);
3041module_exit(qla2x00_module_exit);
3042
3043MODULE_AUTHOR("QLogic Corporation");
3044MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
3045MODULE_LICENSE("GPL");
3046MODULE_VERSION(QLA2XXX_VERSION);
bb8ee499
AV		 3047MODULE_FIRMWARE(FW_FILE_ISP21XX);
3048MODULE_FIRMWARE(FW_FILE_ISP22XX);
3049MODULE_FIRMWARE(FW_FILE_ISP2300);
3050MODULE_FIRMWARE(FW_FILE_ISP2322);
3051MODULE_FIRMWARE(FW_FILE_ISP24XX);
61623fc3 3052MODULE_FIRMWARE(FW_FILE_ISP25XX);
Clone of davem's net-next-2.6 tree