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[SCSI] qla2xxx: Fix issue where final flash-segment updates were falling into the...
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / scsi / qla2xxx / qla_os.c
CommitLineData
1da177e4 1/*
fa90c54f
AV		 2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2005 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>
1da177e4
LT		 13
14#include <scsi/scsi_tcq.h>
15#include <scsi/scsicam.h>
16#include <scsi/scsi_transport.h>
17#include <scsi/scsi_transport_fc.h>
18
19/*
20 * Driver version
21 */
22char qla2x00_version_str[40];
23
24/*
25 * SRB allocation cache
26 */
e18b890b 27static struct kmem_cache *srb_cachep;
1da177e4
LT		 28
29/*
30 * Ioctl related information.
31 */
2c3dfe3f 32int num_hosts;
1da177e4
LT		 33int ql2xlogintimeout = 20;
34module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR);
35MODULE_PARM_DESC(ql2xlogintimeout,
36 "Login timeout value in seconds.");
37
a7b61842 38int qlport_down_retry;
1da177e4
LT		 39module_param(qlport_down_retry, int, S_IRUGO|S_IRUSR);
40MODULE_PARM_DESC(qlport_down_retry,
900d9f98 41 "Maximum number of command retries to a port that returns "
1da177e4
LT		 42 "a PORT-DOWN status.");
43
1da177e4
LT		 44int ql2xplogiabsentdevice;
45module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
46MODULE_PARM_DESC(ql2xplogiabsentdevice,
47 "Option to enable PLOGI to devices that are not present after "
900d9f98 48 "a Fabric scan. This is needed for several broken switches. "
1da177e4
LT		 49 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
50
1da177e4
LT		 51int ql2xloginretrycount = 0;
52module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR);
53MODULE_PARM_DESC(ql2xloginretrycount,
54 "Specify an alternate value for the NVRAM login retry count.");
55
a7a167bf
AV		 56int ql2xallocfwdump = 1;
57module_param(ql2xallocfwdump, int, S_IRUGO|S_IRUSR);
58MODULE_PARM_DESC(ql2xallocfwdump,
59 "Option to enable allocation of memory for a firmware dump "
60 "during HBA initialization. Memory allocation requirements "
61 "vary by ISP type. Default is 1 - allocate memory.");
62
11010fec 63int ql2xextended_error_logging;
27d94035 64module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
11010fec 65MODULE_PARM_DESC(ql2xextended_error_logging,
0181944f
AV		 66 "Option to enable extended error logging, "
67 "Default is 0 - no logging. 1 - log errors.");
68
1da177e4
LT		 69static void qla2x00_free_device(scsi_qla_host_t *);
70
71static void qla2x00_config_dma_addressing(scsi_qla_host_t *ha);
72
cca5335c
AV		 73int ql2xfdmienable;
74module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR);
75MODULE_PARM_DESC(ql2xfdmienable,
76 "Enables FDMI registratons "
77 "Default is 0 - no FDMI. 1 - perfom FDMI.");
78
df7baa50
AV		 79#define MAX_Q_DEPTH 32
80static int ql2xmaxqdepth = MAX_Q_DEPTH;
81module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
82MODULE_PARM_DESC(ql2xmaxqdepth,
83 "Maximum queue depth to report for target devices.");
84
85int ql2xqfullrampup = 120;
86module_param(ql2xqfullrampup, int, S_IRUGO|S_IWUSR);
87MODULE_PARM_DESC(ql2xqfullrampup,
88 "Number of seconds to wait to begin to ramp-up the queue "
89 "depth for a device after a queue-full condition has been "
90 "detected. Default is 120 seconds.");
91
1da177e4 92/*
fa2a1ce5 93 * SCSI host template entry points
1da177e4
LT		 94 */
95static int qla2xxx_slave_configure(struct scsi_device * device);
f4f051eb 96static int qla2xxx_slave_alloc(struct scsi_device *);
1e99e33a
AV		 97static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
98static void qla2xxx_scan_start(struct Scsi_Host *);
f4f051eb 99static void qla2xxx_slave_destroy(struct scsi_device *);
1da177e4
LT		 100static int qla2x00_queuecommand(struct scsi_cmnd *cmd,
101 void (*fn)(struct scsi_cmnd *));
fca29703
AV		 102static int qla24xx_queuecommand(struct scsi_cmnd *cmd,
103 void (*fn)(struct scsi_cmnd *));
1da177e4
LT		 104static int qla2xxx_eh_abort(struct scsi_cmnd *);
105static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
106static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
107static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
108static int qla2x00_loop_reset(scsi_qla_host_t *ha);
109static int qla2x00_device_reset(scsi_qla_host_t *, fc_port_t *);
110
ce7e4af7
AV		 111static int qla2x00_change_queue_depth(struct scsi_device *, int);
112static int qla2x00_change_queue_type(struct scsi_device *, int);
113
2c3dfe3f 114struct scsi_host_template qla2x00_driver_template = {
1da177e4 115 .module = THIS_MODULE,
cb63067a 116 .name = QLA2XXX_DRIVER_NAME,
1da177e4
LT		 117 .queuecommand = qla2x00_queuecommand,
118
119 .eh_abort_handler = qla2xxx_eh_abort,
120 .eh_device_reset_handler = qla2xxx_eh_device_reset,
121 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
122 .eh_host_reset_handler = qla2xxx_eh_host_reset,
123
124 .slave_configure = qla2xxx_slave_configure,
125
f4f051eb
AV		 126 .slave_alloc = qla2xxx_slave_alloc,
127 .slave_destroy = qla2xxx_slave_destroy,
1e99e33a
AV		 128 .scan_finished = qla2xxx_scan_finished,
129 .scan_start = qla2xxx_scan_start,
ce7e4af7
AV		 130 .change_queue_depth = qla2x00_change_queue_depth,
131 .change_queue_type = qla2x00_change_queue_type,
1da177e4
LT		 132 .this_id = -1,
133 .cmd_per_lun = 3,
134 .use_clustering = ENABLE_CLUSTERING,
9cb83c75 135 .use_sg_chaining = ENABLE_SG_CHAINING,
1da177e4
LT		 136 .sg_tablesize = SG_ALL,
137
138 /*
139 * The RISC allows for each command to transfer (2^32-1) bytes of data,
140 * which equates to 0x800000 sectors.
141 */
142 .max_sectors = 0xFFFF,
afb046e2 143 .shost_attrs = qla2x00_host_attrs,
1da177e4
LT		 144};
145
2c3dfe3f 146struct scsi_host_template qla24xx_driver_template = {
fca29703 147 .module = THIS_MODULE,
cb63067a 148 .name = QLA2XXX_DRIVER_NAME,
fca29703
AV		 149 .queuecommand = qla24xx_queuecommand,
150
151 .eh_abort_handler = qla2xxx_eh_abort,
152 .eh_device_reset_handler = qla2xxx_eh_device_reset,
153 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
154 .eh_host_reset_handler = qla2xxx_eh_host_reset,
155
156 .slave_configure = qla2xxx_slave_configure,
157
158 .slave_alloc = qla2xxx_slave_alloc,
159 .slave_destroy = qla2xxx_slave_destroy,
ed677086
AV		 160 .scan_finished = qla2xxx_scan_finished,
161 .scan_start = qla2xxx_scan_start,
ce7e4af7
AV		 162 .change_queue_depth = qla2x00_change_queue_depth,
163 .change_queue_type = qla2x00_change_queue_type,
fca29703
AV		 164 .this_id = -1,
165 .cmd_per_lun = 3,
166 .use_clustering = ENABLE_CLUSTERING,
9cb83c75 167 .use_sg_chaining = ENABLE_SG_CHAINING,
fca29703
AV		 168 .sg_tablesize = SG_ALL,
169
170 .max_sectors = 0xFFFF,
afb046e2 171 .shost_attrs = qla2x00_host_attrs,
fca29703
AV		 172};
173
1da177e4 174static struct scsi_transport_template *qla2xxx_transport_template = NULL;
2c3dfe3f 175struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
1da177e4 176
1da177e4
LT		 177/* TODO Convert to inlines
178 *
179 * Timer routines
180 */
1da177e4 181
2c3dfe3f 182void qla2x00_timer(scsi_qla_host_t *);
1da177e4 183
2c3dfe3f 184__inline__ void qla2x00_start_timer(scsi_qla_host_t *,
1da177e4
LT		 185 void *, unsigned long);
186static __inline__ void qla2x00_restart_timer(scsi_qla_host_t *, unsigned long);
2c3dfe3f 187__inline__ void qla2x00_stop_timer(scsi_qla_host_t *);
1da177e4 188
2c3dfe3f 189__inline__ void
1da177e4
LT		 190qla2x00_start_timer(scsi_qla_host_t *ha, void *func, unsigned long interval)
191{
192 init_timer(&ha->timer);
193 ha->timer.expires = jiffies + interval * HZ;
194 ha->timer.data = (unsigned long)ha;
195 ha->timer.function = (void (*)(unsigned long))func;
196 add_timer(&ha->timer);
197 ha->timer_active = 1;
198}
199
200static inline void
201qla2x00_restart_timer(scsi_qla_host_t *ha, unsigned long interval)
202{
203 mod_timer(&ha->timer, jiffies + interval * HZ);
204}
205
2c3dfe3f 206__inline__ void
1da177e4
LT		 207qla2x00_stop_timer(scsi_qla_host_t *ha)
208{
209 del_timer_sync(&ha->timer);
210 ha->timer_active = 0;
211}
212
1da177e4
LT		 213static int qla2x00_do_dpc(void *data);
214
215static void qla2x00_rst_aen(scsi_qla_host_t *);
216
2c3dfe3f
SJ		 217uint8_t qla2x00_mem_alloc(scsi_qla_host_t *);
218void qla2x00_mem_free(scsi_qla_host_t *ha);
1da177e4
LT		 219static int qla2x00_allocate_sp_pool( scsi_qla_host_t *ha);
220static void qla2x00_free_sp_pool(scsi_qla_host_t *ha);
f4f051eb
AV		 221static void qla2x00_sp_free_dma(scsi_qla_host_t *, srb_t *);
222void qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *);
1da177e4 223
1da177e4
LT		 224/* -------------------------------------------------------------------------- */
225
1da177e4 226static char *
abbd8870 227qla2x00_pci_info_str(struct scsi_qla_host *ha, char *str)
1da177e4
LT		 228{
229 static char *pci_bus_modes[] = {
230 "33", "66", "100", "133",
231 };
232 uint16_t pci_bus;
233
234 strcpy(str, "PCI");
235 pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
236 if (pci_bus) {
237 strcat(str, "-X (");
238 strcat(str, pci_bus_modes[pci_bus]);
239 } else {
240 pci_bus = (ha->pci_attr & BIT_8) >> 8;
241 strcat(str, " (");
242 strcat(str, pci_bus_modes[pci_bus]);
243 }
244 strcat(str, " MHz)");
245
246 return (str);
247}
248
fca29703
AV		 249static char *
250qla24xx_pci_info_str(struct scsi_qla_host *ha, char *str)
251{
252 static char *pci_bus_modes[] = { "33", "66", "100", "133", };
253 uint32_t pci_bus;
254 int pcie_reg;
255
256 pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
257 if (pcie_reg) {
258 char lwstr[6];
259 uint16_t pcie_lstat, lspeed, lwidth;
260
261 pcie_reg += 0x12;
262 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
263 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
264 lwidth = (pcie_lstat &
265 (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
266
267 strcpy(str, "PCIe (");
268 if (lspeed == 1)
269 strcat(str, "2.5Gb/s ");
c3a2f0df
AV		 270 else if (lspeed == 2)
271 strcat(str, "5.0Gb/s ");
fca29703
AV		 272 else
273 strcat(str, "<unknown> ");
274 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
275 strcat(str, lwstr);
276
277 return str;
278 }
279
280 strcpy(str, "PCI");
281 pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
282 if (pci_bus == 0 || pci_bus == 8) {
283 strcat(str, " (");
284 strcat(str, pci_bus_modes[pci_bus >> 3]);
285 } else {
286 strcat(str, "-X ");
287 if (pci_bus & BIT_2)
288 strcat(str, "Mode 2");
289 else
290 strcat(str, "Mode 1");
291 strcat(str, " (");
292 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
293 }
294 strcat(str, " MHz)");
295
296 return str;
297}
298
e5f82ab8 299static char *
abbd8870 300qla2x00_fw_version_str(struct scsi_qla_host *ha, char *str)
1da177e4
LT		 301{
302 char un_str[10];
fa2a1ce5 303
1da177e4
LT		 304 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
305 ha->fw_minor_version,
306 ha->fw_subminor_version);
307
308 if (ha->fw_attributes & BIT_9) {
309 strcat(str, "FLX");
310 return (str);
311 }
312
313 switch (ha->fw_attributes & 0xFF) {
314 case 0x7:
315 strcat(str, "EF");
316 break;
317 case 0x17:
318 strcat(str, "TP");
319 break;
320 case 0x37:
321 strcat(str, "IP");
322 break;
323 case 0x77:
324 strcat(str, "VI");
325 break;
326 default:
327 sprintf(un_str, "(%x)", ha->fw_attributes);
328 strcat(str, un_str);
329 break;
330 }
331 if (ha->fw_attributes & 0x100)
332 strcat(str, "X");
333
334 return (str);
335}
336
e5f82ab8 337static char *
fca29703
AV		 338qla24xx_fw_version_str(struct scsi_qla_host *ha, char *str)
339{
f0883ac6
AV		 340 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
341 ha->fw_minor_version,
342 ha->fw_subminor_version);
343
fca29703
AV		 344 if (ha->fw_attributes & BIT_0)
345 strcat(str, "[Class 2] ");
346 if (ha->fw_attributes & BIT_1)
347 strcat(str, "[IP] ");
348 if (ha->fw_attributes & BIT_2)
349 strcat(str, "[Multi-ID] ");
c3a2f0df
AV		 350 if (ha->fw_attributes & BIT_3)
351 strcat(str, "[SB-2] ");
352 if (ha->fw_attributes & BIT_4)
353 strcat(str, "[T10 CRC] ");
354 if (ha->fw_attributes & BIT_5)
355 strcat(str, "[VI] ");
fca29703
AV		 356 if (ha->fw_attributes & BIT_13)
357 strcat(str, "[Experimental]");
358 return str;
fca29703
AV		 359}
360
361static inline srb_t *
362qla2x00_get_new_sp(scsi_qla_host_t *ha, fc_port_t *fcport,
363 struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
364{
365 srb_t *sp;
366
367 sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
368 if (!sp)
369 return sp;
370
fca29703
AV		 371 sp->ha = ha;
372 sp->fcport = fcport;
373 sp->cmd = cmd;
374 sp->flags = 0;
375 CMD_SP(cmd) = (void *)sp;
376 cmd->scsi_done = done;
377
378 return sp;
379}
380
1da177e4 381static int
f4f051eb 382qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
1da177e4 383{
f363b943 384 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
bdf79621 385 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
19a7b4ae 386 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
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
AV		 401 /* Close window on fcport/rport state-transitioning. */
402 if (!*(fc_port_t **)rport->dd_data) {
403 cmd->result = DID_IMM_RETRY << 16;
404 goto qc_fail_command;
405 }
406
f4f051eb
AV		 407 if (atomic_read(&fcport->state) != FCS_ONLINE) {
408 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
409 atomic_read(&ha->loop_state) == LOOP_DEAD) {
410 cmd->result = DID_NO_CONNECT << 16;
411 goto qc_fail_command;
412 }
413 goto qc_host_busy;
414 }
1da177e4
LT		 415
416 spin_unlock_irq(ha->host->host_lock);
417
fca29703
AV		 418 sp = qla2x00_get_new_sp(ha, fcport, cmd, done);
419 if (!sp)
f4f051eb 420 goto qc_host_busy_lock;
1da177e4 421
f4f051eb
AV		 422 rval = qla2x00_start_scsi(sp);
423 if (rval != QLA_SUCCESS)
424 goto qc_host_busy_free_sp;
1da177e4 425
f4f051eb 426 spin_lock_irq(ha->host->host_lock);
1da177e4 427
f4f051eb 428 return 0;
1da177e4 429
f4f051eb
AV		 430qc_host_busy_free_sp:
431 qla2x00_sp_free_dma(ha, sp);
f4f051eb 432 mempool_free(sp, ha->srb_mempool);
1da177e4 433
f4f051eb
AV		 434qc_host_busy_lock:
435 spin_lock_irq(ha->host->host_lock);
1da177e4 436
f4f051eb
AV		 437qc_host_busy:
438 return SCSI_MLQUEUE_HOST_BUSY;
1da177e4 439
f4f051eb
AV		 440qc_fail_command:
441 done(cmd);
1da177e4 442
f4f051eb 443 return 0;
1da177e4
LT		 444}
445
fca29703
AV		 446
447static int
448qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
449{
f363b943 450 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
fca29703 451 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
19a7b4ae 452 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
fca29703
AV		 453 srb_t *sp;
454 int rval;
2c3dfe3f 455 scsi_qla_host_t *pha = to_qla_parent(ha);
fca29703 456
14e660e6
SJ		 457 if (unlikely(pci_channel_offline(ha->pdev))) {
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
AV		 468 /* Close window on fcport/rport state-transitioning. */
469 if (!*(fc_port_t **)rport->dd_data) {
470 cmd->result = DID_IMM_RETRY << 16;
471 goto qc24_fail_command;
472 }
473
fca29703
AV		 474 if (atomic_read(&fcport->state) != FCS_ONLINE) {
475 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
2c3dfe3f 476 atomic_read(&pha->loop_state) == LOOP_DEAD) {
fca29703
AV		 477 cmd->result = DID_NO_CONNECT << 16;
478 goto qc24_fail_command;
479 }
480 goto qc24_host_busy;
481 }
482
483 spin_unlock_irq(ha->host->host_lock);
484
2c3dfe3f 485 sp = qla2x00_get_new_sp(pha, fcport, cmd, done);
fca29703
AV		 486 if (!sp)
487 goto qc24_host_busy_lock;
488
489 rval = qla24xx_start_scsi(sp);
490 if (rval != QLA_SUCCESS)
491 goto qc24_host_busy_free_sp;
492
493 spin_lock_irq(ha->host->host_lock);
494
495 return 0;
496
497qc24_host_busy_free_sp:
2c3dfe3f
SJ		 498 qla2x00_sp_free_dma(pha, sp);
499 mempool_free(sp, pha->srb_mempool);
fca29703
AV		 500
501qc24_host_busy_lock:
502 spin_lock_irq(ha->host->host_lock);
503
504qc24_host_busy:
505 return SCSI_MLQUEUE_HOST_BUSY;
506
507qc24_fail_command:
508 done(cmd);
509
510 return 0;
511}
512
513
1da177e4
LT		 514/*
515 * qla2x00_eh_wait_on_command
516 * Waits for the command to be returned by the Firmware for some
517 * max time.
518 *
519 * Input:
520 * ha = actual ha whose done queue will contain the command
521 * returned by firmware.
522 * cmd = Scsi Command to wait on.
523 * flag = Abort/Reset(Bus or Device Reset)
524 *
525 * Return:
526 * Not Found : 0
527 * Found : 1
528 */
529static int
530qla2x00_eh_wait_on_command(scsi_qla_host_t *ha, struct scsi_cmnd *cmd)
531{
fe74c71f
AV		 532#define ABORT_POLLING_PERIOD 1000
533#define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
f4f051eb
AV		 534 unsigned long wait_iter = ABORT_WAIT_ITER;
535 int ret = QLA_SUCCESS;
1da177e4 536
f4f051eb 537 while (CMD_SP(cmd)) {
fe74c71f 538 msleep(ABORT_POLLING_PERIOD);
1da177e4 539
f4f051eb
AV		 540 if (--wait_iter)
541 break;
542 }
543 if (CMD_SP(cmd))
544 ret = QLA_FUNCTION_FAILED;
1da177e4 545
f4f051eb 546 return ret;
1da177e4
LT		 547}
548
549/*
550 * qla2x00_wait_for_hba_online
fa2a1ce5 551 * Wait till the HBA is online after going through
1da177e4
LT		 552 * <= MAX_RETRIES_OF_ISP_ABORT or
553 * finally HBA is disabled ie marked offline
554 *
555 * Input:
556 * ha - pointer to host adapter structure
fa2a1ce5
AV		 557 *
558 * Note:
1da177e4
LT		 559 * Does context switching-Release SPIN_LOCK
560 * (if any) before calling this routine.
561 *
562 * Return:
563 * Success (Adapter is online) : 0
564 * Failed (Adapter is offline/disabled) : 1
565 */
854165f4 566int
1da177e4
LT		 567qla2x00_wait_for_hba_online(scsi_qla_host_t *ha)
568{
fca29703
AV		 569 int return_status;
570 unsigned long wait_online;
2c3dfe3f 571 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4 572
fa2a1ce5 573 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
2c3dfe3f
SJ		 574 while (((test_bit(ISP_ABORT_NEEDED, &pha->dpc_flags)) ||
575 test_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags) ||
576 test_bit(ISP_ABORT_RETRY, &pha->dpc_flags) ||
577 pha->dpc_active) && time_before(jiffies, wait_online)) {
1da177e4
LT		 578
579 msleep(1000);
580 }
2c3dfe3f 581 if (pha->flags.online)
fa2a1ce5 582 return_status = QLA_SUCCESS;
1da177e4
LT		 583 else
584 return_status = QLA_FUNCTION_FAILED;
585
586 DEBUG2(printk("%s return_status=%d\n",__func__,return_status));
587
588 return (return_status);
589}
590
591/*
592 * qla2x00_wait_for_loop_ready
593 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
fa2a1ce5 594 * to be in LOOP_READY state.
1da177e4
LT		 595 * Input:
596 * ha - pointer to host adapter structure
fa2a1ce5
AV		 597 *
598 * Note:
1da177e4
LT		 599 * Does context switching-Release SPIN_LOCK
600 * (if any) before calling this routine.
fa2a1ce5 601 *
1da177e4
LT		 602 *
603 * Return:
604 * Success (LOOP_READY) : 0
605 * Failed (LOOP_NOT_READY) : 1
606 */
fa2a1ce5 607static inline int
1da177e4
LT		 608qla2x00_wait_for_loop_ready(scsi_qla_host_t *ha)
609{
610 int return_status = QLA_SUCCESS;
611 unsigned long loop_timeout ;
2c3dfe3f 612 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4
LT		 613
614 /* wait for 5 min at the max for loop to be ready */
fa2a1ce5 615 loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1da177e4 616
2c3dfe3f
SJ		 617 while ((!atomic_read(&pha->loop_down_timer) &&
618 atomic_read(&pha->loop_state) == LOOP_DOWN) ||
619 atomic_read(&pha->loop_state) != LOOP_READY) {
620 if (atomic_read(&pha->loop_state) == LOOP_DEAD) {
57680080
RA		 621 return_status = QLA_FUNCTION_FAILED;
622 break;
623 }
1da177e4
LT		 624 msleep(1000);
625 if (time_after_eq(jiffies, loop_timeout)) {
626 return_status = QLA_FUNCTION_FAILED;
627 break;
628 }
629 }
fa2a1ce5 630 return (return_status);
1da177e4
LT		 631}
632
07db5183
AV		 633static void
634qla2x00_block_error_handler(struct scsi_cmnd *cmnd)
635{
636 struct Scsi_Host *shost = cmnd->device->host;
637 struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device));
638 unsigned long flags;
639
640 spin_lock_irqsave(shost->host_lock, flags);
641 while (rport->port_state == FC_PORTSTATE_BLOCKED) {
642 spin_unlock_irqrestore(shost->host_lock, flags);
643 msleep(1000);
644 spin_lock_irqsave(shost->host_lock, flags);
645 }
646 spin_unlock_irqrestore(shost->host_lock, flags);
647 return;
648}
649
1da177e4
LT		 650/**************************************************************************
651* qla2xxx_eh_abort
652*
653* Description:
654* The abort function will abort the specified command.
655*
656* Input:
657* cmd = Linux SCSI command packet to be aborted.
658*
659* Returns:
660* Either SUCCESS or FAILED.
661*
662* Note:
2ea00202 663* Only return FAILED if command not returned by firmware.
1da177e4 664**************************************************************************/
e5f82ab8 665static int
1da177e4
LT		 666qla2xxx_eh_abort(struct scsi_cmnd *cmd)
667{
f363b943 668 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
f4f051eb
AV		 669 srb_t *sp;
670 int ret, i;
671 unsigned int id, lun;
672 unsigned long serial;
18e144d3 673 unsigned long flags;
2ea00202 674 int wait = 0;
2c3dfe3f 675 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4 676
07db5183
AV		 677 qla2x00_block_error_handler(cmd);
678
f4f051eb 679 if (!CMD_SP(cmd))
2ea00202 680 return SUCCESS;
1da177e4 681
2ea00202 682 ret = SUCCESS;
1da177e4 683
f4f051eb
AV		 684 id = cmd->device->id;
685 lun = cmd->device->lun;
686 serial = cmd->serial_number;
1da177e4 687
f4f051eb 688 /* Check active list for command command. */
2c3dfe3f 689 spin_lock_irqsave(&pha->hardware_lock, flags);
f4f051eb 690 for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
2c3dfe3f 691 sp = pha->outstanding_cmds[i];
1da177e4 692
f4f051eb
AV		 693 if (sp == NULL)
694 continue;
1da177e4 695
f4f051eb
AV		 696 if (sp->cmd != cmd)
697 continue;
1da177e4 698
75bc4190
AV		 699 DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld.\n",
700 __func__, ha->host_no, sp, serial));
744f11fd 701 DEBUG3(qla2x00_print_scsi_cmd(cmd));
1da177e4 702
2c3dfe3f 703 spin_unlock_irqrestore(&pha->hardware_lock, flags);
fd34f556 704 if (ha->isp_ops->abort_command(ha, sp)) {
f4f051eb
AV		 705 DEBUG2(printk("%s(%ld): abort_command "
706 "mbx failed.\n", __func__, ha->host_no));
707 } else {
708 DEBUG3(printk("%s(%ld): abort_command "
709 "mbx success.\n", __func__, ha->host_no));
2ea00202 710 wait = 1;
f4f051eb 711 }
2c3dfe3f 712 spin_lock_irqsave(&pha->hardware_lock, flags);
1da177e4 713
f4f051eb
AV		 714 break;
715 }
2c3dfe3f 716 spin_unlock_irqrestore(&pha->hardware_lock, flags);
1da177e4 717
f4f051eb 718 /* Wait for the command to be returned. */
2ea00202 719 if (wait) {
f4f051eb 720 if (qla2x00_eh_wait_on_command(ha, cmd) != QLA_SUCCESS) {
fa2a1ce5 721 qla_printk(KERN_ERR, ha,
f4f051eb
AV		 722 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
723 "%x.\n", ha->host_no, id, lun, serial, ret);
2ea00202 724 ret = FAILED;
f4f051eb 725 }
1da177e4 726 }
1da177e4 727
fa2a1ce5 728 qla_printk(KERN_INFO, ha,
2ea00202
MR		 729 "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
730 ha->host_no, id, lun, wait, serial, ret);
1da177e4 731
f4f051eb
AV		 732 return ret;
733}
1da177e4 734
f4f051eb
AV		 735/**************************************************************************
736* qla2x00_eh_wait_for_pending_target_commands
737*
738* Description:
739* Waits for all the commands to come back from the specified target.
740*
741* Input:
742* ha - pointer to scsi_qla_host structure.
fa2a1ce5 743* t - target
f4f051eb
AV		 744* Returns:
745* Either SUCCESS or FAILED.
746*
747* Note:
748**************************************************************************/
749static int
750qla2x00_eh_wait_for_pending_target_commands(scsi_qla_host_t *ha, unsigned int t)
751{
752 int cnt;
753 int status;
754 srb_t *sp;
755 struct scsi_cmnd *cmd;
18e144d3 756 unsigned long flags;
2c3dfe3f 757 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4 758
f4f051eb 759 status = 0;
1da177e4
LT		 760
761 /*
f4f051eb
AV		 762 * Waiting for all commands for the designated target in the active
763 * array
1da177e4
LT		 764 */
765 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
2c3dfe3f
SJ		 766 spin_lock_irqsave(&pha->hardware_lock, flags);
767 sp = pha->outstanding_cmds[cnt];
1da177e4
LT		 768 if (sp) {
769 cmd = sp->cmd;
2c3dfe3f
SJ		 770 spin_unlock_irqrestore(&pha->hardware_lock, flags);
771 if (cmd->device->id == t &&
772 ha->vp_idx == sp->ha->vp_idx) {
1da177e4
LT		 773 if (!qla2x00_eh_wait_on_command(ha, cmd)) {
774 status = 1;
775 break;
776 }
777 }
f4f051eb 778 } else {
2c3dfe3f 779 spin_unlock_irqrestore(&pha->hardware_lock, flags);
1da177e4
LT		 780 }
781 }
782 return (status);
783}
784
785
786/**************************************************************************
787* qla2xxx_eh_device_reset
788*
789* Description:
790* The device reset function will reset the target and abort any
791* executing commands.
792*
793* NOTE: The use of SP is undefined within this context. Do *NOT*
fa2a1ce5 794* attempt to use this value, even if you determine it is
1da177e4
LT		 795* non-null.
796*
797* Input:
798* cmd = Linux SCSI command packet of the command that cause the
799* bus device reset.
800*
801* Returns:
802* SUCCESS/FAILURE (defined as macro in scsi.h).
803*
804**************************************************************************/
e5f82ab8 805static int
1da177e4
LT		 806qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
807{
f363b943 808 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
bdf79621 809 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
2c3dfe3f 810 int ret = FAILED;
f4f051eb
AV		 811 unsigned int id, lun;
812 unsigned long serial;
1da177e4 813
07db5183
AV		 814 qla2x00_block_error_handler(cmd);
815
f4f051eb
AV		 816 id = cmd->device->id;
817 lun = cmd->device->lun;
818 serial = cmd->serial_number;
1da177e4 819
b0328bee 820 if (!fcport)
f4f051eb 821 return ret;
1da177e4
LT		 822
823 qla_printk(KERN_INFO, ha,
f4f051eb 824 "scsi(%ld:%d:%d): DEVICE RESET ISSUED.\n", ha->host_no, id, lun);
1da177e4 825
94d0e7b8 826 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
1da177e4 827 goto eh_dev_reset_done;
1da177e4
LT		 828
829 if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
f4f051eb
AV		 830 if (qla2x00_device_reset(ha, fcport) == 0)
831 ret = SUCCESS;
1da177e4
LT		 832
833#if defined(LOGOUT_AFTER_DEVICE_RESET)
f4f051eb
AV		 834 if (ret == SUCCESS) {
835 if (fcport->flags & FC_FABRIC_DEVICE) {
fd34f556 836 ha->isp_ops->fabric_logout(ha, fcport->loop_id);
d97994dc 837 qla2x00_mark_device_lost(ha, fcport, 0, 0);
1da177e4
LT		 838 }
839 }
840#endif
841 } else {
842 DEBUG2(printk(KERN_INFO
744f11fd 843 "%s failed: loop not ready\n",__func__));
1da177e4
LT		 844 }
845
f4f051eb 846 if (ret == FAILED) {
1da177e4
LT		 847 DEBUG3(printk("%s(%ld): device reset failed\n",
848 __func__, ha->host_no));
849 qla_printk(KERN_INFO, ha, "%s: device reset failed\n",
850 __func__);
851
852 goto eh_dev_reset_done;
853 }
854
9a41a62b
AV		 855 /* Flush outstanding commands. */
856 if (qla2x00_eh_wait_for_pending_target_commands(ha, id))
857 ret = FAILED;
858 if (ret == FAILED) {
859 DEBUG3(printk("%s(%ld): failed while waiting for commands\n",
860 __func__, ha->host_no));
861 qla_printk(KERN_INFO, ha,
862 "%s: failed while waiting for commands\n", __func__);
863 } else
864 qla_printk(KERN_INFO, ha,
865 "scsi(%ld:%d:%d): DEVICE RESET SUCCEEDED.\n", ha->host_no,
866 id, lun);
28f22b03 867 eh_dev_reset_done:
f4f051eb 868 return ret;
1da177e4
LT		 869}
870
871/**************************************************************************
872* qla2x00_eh_wait_for_pending_commands
873*
874* Description:
875* Waits for all the commands to come back from the specified host.
876*
877* Input:
878* ha - pointer to scsi_qla_host structure.
879*
880* Returns:
881* 1 : SUCCESS
882* 0 : FAILED
883*
884* Note:
885**************************************************************************/
886static int
887qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha)
888{
889 int cnt;
890 int status;
891 srb_t *sp;
892 struct scsi_cmnd *cmd;
18e144d3 893 unsigned long flags;
1da177e4
LT		 894
895 status = 1;
896
897 /*
898 * Waiting for all commands for the designated target in the active
899 * array
900 */
901 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
18e144d3 902 spin_lock_irqsave(&ha->hardware_lock, flags);
1da177e4
LT		 903 sp = ha->outstanding_cmds[cnt];
904 if (sp) {
905 cmd = sp->cmd;
18e144d3 906 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1da177e4
LT		 907 status = qla2x00_eh_wait_on_command(ha, cmd);
908 if (status == 0)
909 break;
910 }
911 else {
18e144d3 912 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1da177e4
LT		 913 }
914 }
915 return (status);
916}
917
918
919/**************************************************************************
920* qla2xxx_eh_bus_reset
921*
922* Description:
923* The bus reset function will reset the bus and abort any executing
924* commands.
925*
926* Input:
927* cmd = Linux SCSI command packet of the command that cause the
928* bus reset.
929*
930* Returns:
931* SUCCESS/FAILURE (defined as macro in scsi.h).
932*
933**************************************************************************/
e5f82ab8 934static int
1da177e4
LT		 935qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
936{
f363b943 937 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
2c3dfe3f 938 scsi_qla_host_t *pha = to_qla_parent(ha);
bdf79621 939 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
2c3dfe3f 940 int ret = FAILED;
f4f051eb
AV		 941 unsigned int id, lun;
942 unsigned long serial;
943
07db5183
AV		 944 qla2x00_block_error_handler(cmd);
945
f4f051eb
AV		 946 id = cmd->device->id;
947 lun = cmd->device->lun;
948 serial = cmd->serial_number;
1da177e4 949
b0328bee 950 if (!fcport)
f4f051eb 951 return ret;
1da177e4
LT		 952
953 qla_printk(KERN_INFO, ha,
f4f051eb 954 "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha->host_no, id, lun);
1da177e4 955
1da177e4
LT		 956 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) {
957 DEBUG2(printk("%s failed:board disabled\n",__func__));
f4f051eb 958 goto eh_bus_reset_done;
1da177e4
LT		 959 }
960
961 if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
f4f051eb
AV		 962 if (qla2x00_loop_reset(ha) == QLA_SUCCESS)
963 ret = SUCCESS;
1da177e4 964 }
f4f051eb
AV		 965 if (ret == FAILED)
966 goto eh_bus_reset_done;
1da177e4 967
9a41a62b 968 /* Flush outstanding commands. */
2c3dfe3f 969 if (!qla2x00_eh_wait_for_pending_commands(pha))
9a41a62b 970 ret = FAILED;
1da177e4 971
f4f051eb 972eh_bus_reset_done:
1da177e4 973 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
f4f051eb 974 (ret == FAILED) ? "failed" : "succeded");
1da177e4 975
f4f051eb 976 return ret;
1da177e4
LT		 977}
978
979/**************************************************************************
980* qla2xxx_eh_host_reset
981*
982* Description:
983* The reset function will reset the Adapter.
984*
985* Input:
986* cmd = Linux SCSI command packet of the command that cause the
987* adapter reset.
988*
989* Returns:
990* Either SUCCESS or FAILED.
991*
992* Note:
993**************************************************************************/
e5f82ab8 994static int
1da177e4
LT		 995qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
996{
f363b943 997 scsi_qla_host_t *ha = shost_priv(cmd->device->host);
bdf79621 998 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
2c3dfe3f 999 int ret = FAILED;
f4f051eb
AV		 1000 unsigned int id, lun;
1001 unsigned long serial;
2c3dfe3f 1002 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4 1003
07db5183
AV		 1004 qla2x00_block_error_handler(cmd);
1005
f4f051eb
AV		 1006 id = cmd->device->id;
1007 lun = cmd->device->lun;
1008 serial = cmd->serial_number;
1009
b0328bee 1010 if (!fcport)
f4f051eb 1011 return ret;
1da177e4 1012
1da177e4 1013 qla_printk(KERN_INFO, ha,
f4f051eb 1014 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha->host_no, id, lun);
1da177e4 1015
1da177e4 1016 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
f4f051eb 1017 goto eh_host_reset_lock;
1da177e4
LT		 1018
1019 /*
1020 * Fixme-may be dpc thread is active and processing
fa2a1ce5 1021 * loop_resync,so wait a while for it to
1da177e4
LT		 1022 * be completed and then issue big hammer.Otherwise
1023 * it may cause I/O failure as big hammer marks the
1024 * devices as lost kicking of the port_down_timer
1025 * while dpc is stuck for the mailbox to complete.
1026 */
1da177e4 1027 qla2x00_wait_for_loop_ready(ha);
2c3dfe3f
SJ		 1028 set_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
1029 if (qla2x00_abort_isp(pha)) {
1030 clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
1da177e4 1031 /* failed. schedule dpc to try */
2c3dfe3f 1032 set_bit(ISP_ABORT_NEEDED, &pha->dpc_flags);
1da177e4
LT		 1033
1034 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
f4f051eb 1035 goto eh_host_reset_lock;
fa2a1ce5 1036 }
2c3dfe3f 1037 clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
1da177e4 1038
1da177e4 1039 /* Waiting for our command in done_queue to be returned to OS.*/
2c3dfe3f 1040 if (qla2x00_eh_wait_for_pending_commands(pha))
f4f051eb 1041 ret = SUCCESS;
1da177e4 1042
2c3dfe3f
SJ		 1043 if (ha->parent)
1044 qla2x00_vp_abort_isp(ha);
1045
f4f051eb 1046eh_host_reset_lock:
f4f051eb
AV		 1047 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1048 (ret == FAILED) ? "failed" : "succeded");
1da177e4 1049
f4f051eb
AV		 1050 return ret;
1051}
1da177e4
LT		 1052
1053/*
1054* qla2x00_loop_reset
1055* Issue loop reset.
1056*
1057* Input:
1058* ha = adapter block pointer.
1059*
1060* Returns:
1061* 0 = success
1062*/
1063static int
1064qla2x00_loop_reset(scsi_qla_host_t *ha)
1065{
0c8c39af 1066 int ret;
bdf79621 1067 struct fc_port *fcport;
1da177e4 1068
0c8c39af
AV		 1069 if (ha->flags.enable_lip_full_login) {
1070 ret = qla2x00_full_login_lip(ha);
1071 if (ret != QLA_SUCCESS) {
1072 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1073 "full_login_lip=%d.\n", __func__, ha->host_no,
1074 ret));
1075 }
1076 atomic_set(&ha->loop_state, LOOP_DOWN);
1077 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
1078 qla2x00_mark_all_devices_lost(ha, 0);
1079 qla2x00_wait_for_loop_ready(ha);
1080 }
1081
1da177e4 1082 if (ha->flags.enable_lip_reset) {
0c8c39af
AV		 1083 ret = qla2x00_lip_reset(ha);
1084 if (ret != QLA_SUCCESS) {
1085 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1086 "lip_reset=%d.\n", __func__, ha->host_no, ret));
1087 }
1088 qla2x00_wait_for_loop_ready(ha);
1da177e4
LT		 1089 }
1090
0c8c39af 1091 if (ha->flags.enable_target_reset) {
bdf79621
AV		 1092 list_for_each_entry(fcport, &ha->fcports, list) {
1093 if (fcport->port_type != FCT_TARGET)
1da177e4
LT		 1094 continue;
1095
0c8c39af
AV		 1096 ret = qla2x00_device_reset(ha, fcport);
1097 if (ret != QLA_SUCCESS) {
1098 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1099 "target_reset=%d d_id=%x.\n", __func__,
1100 ha->host_no, ret, fcport->d_id.b24));
1101 }
1da177e4
LT		 1102 }
1103 }
1104
1da177e4
LT		 1105 /* Issue marker command only when we are going to start the I/O */
1106 ha->marker_needed = 1;
1107
0c8c39af 1108 return QLA_SUCCESS;
1da177e4
LT		 1109}
1110
1111/*
1112 * qla2x00_device_reset
1113 * Issue bus device reset message to the target.
1114 *
1115 * Input:
1116 * ha = adapter block pointer.
1117 * t = SCSI ID.
1118 * TARGET_QUEUE_LOCK must be released.
1119 * ADAPTER_STATE_LOCK must be released.
1120 *
1121 * Context:
1122 * Kernel context.
1123 */
1124static int
1125qla2x00_device_reset(scsi_qla_host_t *ha, fc_port_t *reset_fcport)
1126{
1127 /* Abort Target command will clear Reservation */
fd34f556 1128 return ha->isp_ops->abort_target(reset_fcport);
1da177e4
LT		 1129}
1130
f4f051eb
AV		 1131static int
1132qla2xxx_slave_alloc(struct scsi_device *sdev)
1da177e4 1133{
bdf79621 1134 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1da177e4 1135
19a7b4ae 1136 if (!rport || fc_remote_port_chkready(rport))
f4f051eb 1137 return -ENXIO;
bdf79621 1138
19a7b4ae 1139 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1da177e4 1140
f4f051eb
AV		 1141 return 0;
1142}
1da177e4 1143
f4f051eb
AV		 1144static int
1145qla2xxx_slave_configure(struct scsi_device *sdev)
1146{
f363b943 1147 scsi_qla_host_t *ha = shost_priv(sdev->host);
8482e118
AV		 1148 struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1149
f4f051eb 1150 if (sdev->tagged_supported)
df7baa50 1151 scsi_activate_tcq(sdev, ha->max_q_depth);
f4f051eb 1152 else
df7baa50 1153 scsi_deactivate_tcq(sdev, ha->max_q_depth);
1da177e4 1154
8482e118
AV		 1155 rport->dev_loss_tmo = ha->port_down_retry_count + 5;
1156
f4f051eb
AV		 1157 return 0;
1158}
1da177e4 1159
f4f051eb
AV		 1160static void
1161qla2xxx_slave_destroy(struct scsi_device *sdev)
1162{
1163 sdev->hostdata = NULL;
1da177e4
LT		 1164}
1165
ce7e4af7
AV		 1166static int
1167qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
1168{
1169 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1170 return sdev->queue_depth;
1171}
1172
1173static int
1174qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1175{
1176 if (sdev->tagged_supported) {
1177 scsi_set_tag_type(sdev, tag_type);
1178 if (tag_type)
1179 scsi_activate_tcq(sdev, sdev->queue_depth);
1180 else
1181 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1182 } else
1183 tag_type = 0;
1184
1185 return tag_type;
1186}
1187
1da177e4
LT		 1188/**
1189 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1190 * @ha: HA context
1191 *
1192 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1193 * supported addressing method.
1194 */
1195static void
1196qla2x00_config_dma_addressing(scsi_qla_host_t *ha)
1197{
7524f9b9 1198 /* Assume a 32bit DMA mask. */
1da177e4 1199 ha->flags.enable_64bit_addressing = 0;
1da177e4 1200
7524f9b9
AV		 1201 if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) {
1202 /* Any upper-dword bits set? */
1203 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1204 !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) {
1205 /* Ok, a 64bit DMA mask is applicable. */
1da177e4 1206 ha->flags.enable_64bit_addressing = 1;
fd34f556
AV		 1207 ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1208 ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
7524f9b9 1209 return;
1da177e4 1210 }
1da177e4 1211 }
7524f9b9
AV		 1212
1213 dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK);
1214 pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK);
1da177e4
LT		 1215}
1216
fd34f556
AV		 1217static void
1218qla2x00_enable_intrs(scsi_qla_host_t *ha)
1219{
1220 unsigned long flags = 0;
1221 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1222
1223 spin_lock_irqsave(&ha->hardware_lock, flags);
1224 ha->interrupts_on = 1;
1225 /* enable risc and host interrupts */
1226 WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1227 RD_REG_WORD(&reg->ictrl);
1228 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1229
1230}
1231
1232static void
1233qla2x00_disable_intrs(scsi_qla_host_t *ha)
1234{
1235 unsigned long flags = 0;
1236 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1237
1238 spin_lock_irqsave(&ha->hardware_lock, flags);
1239 ha->interrupts_on = 0;
1240 /* disable risc and host interrupts */
1241 WRT_REG_WORD(&reg->ictrl, 0);
1242 RD_REG_WORD(&reg->ictrl);
1243 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1244}
1245
1246static void
1247qla24xx_enable_intrs(scsi_qla_host_t *ha)
1248{
1249 unsigned long flags = 0;
1250 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1251
1252 spin_lock_irqsave(&ha->hardware_lock, flags);
1253 ha->interrupts_on = 1;
1254 WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1255 RD_REG_DWORD(&reg->ictrl);
1256 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1257}
1258
1259static void
1260qla24xx_disable_intrs(scsi_qla_host_t *ha)
1261{
1262 unsigned long flags = 0;
1263 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1264
1265 spin_lock_irqsave(&ha->hardware_lock, flags);
1266 ha->interrupts_on = 0;
1267 WRT_REG_DWORD(&reg->ictrl, 0);
1268 RD_REG_DWORD(&reg->ictrl);
1269 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1270}
1271
1272static struct isp_operations qla2100_isp_ops = {
1273 .pci_config = qla2100_pci_config,
1274 .reset_chip = qla2x00_reset_chip,
1275 .chip_diag = qla2x00_chip_diag,
1276 .config_rings = qla2x00_config_rings,
1277 .reset_adapter = qla2x00_reset_adapter,
1278 .nvram_config = qla2x00_nvram_config,
1279 .update_fw_options = qla2x00_update_fw_options,
1280 .load_risc = qla2x00_load_risc,
1281 .pci_info_str = qla2x00_pci_info_str,
1282 .fw_version_str = qla2x00_fw_version_str,
1283 .intr_handler = qla2100_intr_handler,
1284 .enable_intrs = qla2x00_enable_intrs,
1285 .disable_intrs = qla2x00_disable_intrs,
1286 .abort_command = qla2x00_abort_command,
1287 .abort_target = qla2x00_abort_target,
1288 .fabric_login = qla2x00_login_fabric,
1289 .fabric_logout = qla2x00_fabric_logout,
1290 .calc_req_entries = qla2x00_calc_iocbs_32,
1291 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1292 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1293 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1294 .read_nvram = qla2x00_read_nvram_data,
1295 .write_nvram = qla2x00_write_nvram_data,
1296 .fw_dump = qla2100_fw_dump,
1297 .beacon_on = NULL,
1298 .beacon_off = NULL,
1299 .beacon_blink = NULL,
1300 .read_optrom = qla2x00_read_optrom_data,
1301 .write_optrom = qla2x00_write_optrom_data,
1302 .get_flash_version = qla2x00_get_flash_version,
1303};
1304
1305static struct isp_operations qla2300_isp_ops = {
1306 .pci_config = qla2300_pci_config,
1307 .reset_chip = qla2x00_reset_chip,
1308 .chip_diag = qla2x00_chip_diag,
1309 .config_rings = qla2x00_config_rings,
1310 .reset_adapter = qla2x00_reset_adapter,
1311 .nvram_config = qla2x00_nvram_config,
1312 .update_fw_options = qla2x00_update_fw_options,
1313 .load_risc = qla2x00_load_risc,
1314 .pci_info_str = qla2x00_pci_info_str,
1315 .fw_version_str = qla2x00_fw_version_str,
1316 .intr_handler = qla2300_intr_handler,
1317 .enable_intrs = qla2x00_enable_intrs,
1318 .disable_intrs = qla2x00_disable_intrs,
1319 .abort_command = qla2x00_abort_command,
1320 .abort_target = qla2x00_abort_target,
1321 .fabric_login = qla2x00_login_fabric,
1322 .fabric_logout = qla2x00_fabric_logout,
1323 .calc_req_entries = qla2x00_calc_iocbs_32,
1324 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1325 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1326 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1327 .read_nvram = qla2x00_read_nvram_data,
1328 .write_nvram = qla2x00_write_nvram_data,
1329 .fw_dump = qla2300_fw_dump,
1330 .beacon_on = qla2x00_beacon_on,
1331 .beacon_off = qla2x00_beacon_off,
1332 .beacon_blink = qla2x00_beacon_blink,
1333 .read_optrom = qla2x00_read_optrom_data,
1334 .write_optrom = qla2x00_write_optrom_data,
1335 .get_flash_version = qla2x00_get_flash_version,
1336};
1337
1338static struct isp_operations qla24xx_isp_ops = {
1339 .pci_config = qla24xx_pci_config,
1340 .reset_chip = qla24xx_reset_chip,
1341 .chip_diag = qla24xx_chip_diag,
1342 .config_rings = qla24xx_config_rings,
1343 .reset_adapter = qla24xx_reset_adapter,
1344 .nvram_config = qla24xx_nvram_config,
1345 .update_fw_options = qla24xx_update_fw_options,
1346 .load_risc = qla24xx_load_risc,
1347 .pci_info_str = qla24xx_pci_info_str,
1348 .fw_version_str = qla24xx_fw_version_str,
1349 .intr_handler = qla24xx_intr_handler,
1350 .enable_intrs = qla24xx_enable_intrs,
1351 .disable_intrs = qla24xx_disable_intrs,
1352 .abort_command = qla24xx_abort_command,
1353 .abort_target = qla24xx_abort_target,
1354 .fabric_login = qla24xx_login_fabric,
1355 .fabric_logout = qla24xx_fabric_logout,
1356 .calc_req_entries = NULL,
1357 .build_iocbs = NULL,
1358 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1359 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1360 .read_nvram = qla24xx_read_nvram_data,
1361 .write_nvram = qla24xx_write_nvram_data,
1362 .fw_dump = qla24xx_fw_dump,
1363 .beacon_on = qla24xx_beacon_on,
1364 .beacon_off = qla24xx_beacon_off,
1365 .beacon_blink = qla24xx_beacon_blink,
1366 .read_optrom = qla24xx_read_optrom_data,
1367 .write_optrom = qla24xx_write_optrom_data,
1368 .get_flash_version = qla24xx_get_flash_version,
1369};
1370
c3a2f0df
AV		 1371static struct isp_operations qla25xx_isp_ops = {
1372 .pci_config = qla25xx_pci_config,
1373 .reset_chip = qla24xx_reset_chip,
1374 .chip_diag = qla24xx_chip_diag,
1375 .config_rings = qla24xx_config_rings,
1376 .reset_adapter = qla24xx_reset_adapter,
1377 .nvram_config = qla24xx_nvram_config,
1378 .update_fw_options = qla24xx_update_fw_options,
1379 .load_risc = qla24xx_load_risc,
1380 .pci_info_str = qla24xx_pci_info_str,
1381 .fw_version_str = qla24xx_fw_version_str,
1382 .intr_handler = qla24xx_intr_handler,
1383 .enable_intrs = qla24xx_enable_intrs,
1384 .disable_intrs = qla24xx_disable_intrs,
1385 .abort_command = qla24xx_abort_command,
1386 .abort_target = qla24xx_abort_target,
1387 .fabric_login = qla24xx_login_fabric,
1388 .fabric_logout = qla24xx_fabric_logout,
1389 .calc_req_entries = NULL,
1390 .build_iocbs = NULL,
1391 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1392 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1393 .read_nvram = qla25xx_read_nvram_data,
1394 .write_nvram = qla25xx_write_nvram_data,
1395 .fw_dump = qla25xx_fw_dump,
1396 .beacon_on = qla24xx_beacon_on,
1397 .beacon_off = qla24xx_beacon_off,
1398 .beacon_blink = qla24xx_beacon_blink,
338c9161 1399 .read_optrom = qla25xx_read_optrom_data,
c3a2f0df
AV		 1400 .write_optrom = qla24xx_write_optrom_data,
1401 .get_flash_version = qla24xx_get_flash_version,
1402};
1403
ea5b6382
AV		 1404static inline void
1405qla2x00_set_isp_flags(scsi_qla_host_t *ha)
1406{
1407 ha->device_type = DT_EXTENDED_IDS;
1408 switch (ha->pdev->device) {
1409 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1410 ha->device_type |= DT_ISP2100;
1411 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1412 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382
AV		 1413 break;
1414 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1415 ha->device_type |= DT_ISP2200;
1416 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1417 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382
AV		 1418 break;
1419 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1420 ha->device_type |= DT_ISP2300;
4a59f71d 1421 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1422 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1423 break;
1424 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1425 ha->device_type |= DT_ISP2312;
4a59f71d 1426 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1427 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1428 break;
1429 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1430 ha->device_type |= DT_ISP2322;
4a59f71d 1431 ha->device_type |= DT_ZIO_SUPPORTED;
ea5b6382
AV		 1432 if (ha->pdev->subsystem_vendor == 0x1028 &&
1433 ha->pdev->subsystem_device == 0x0170)
1434 ha->device_type |= DT_OEM_001;
441d1072 1435 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1436 break;
1437 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1438 ha->device_type |= DT_ISP6312;
441d1072 1439 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1440 break;
1441 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1442 ha->device_type |= DT_ISP6322;
441d1072 1443 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1444 break;
1445 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1446 ha->device_type |= DT_ISP2422;
4a59f71d 1447 ha->device_type |= DT_ZIO_SUPPORTED;
e428924c 1448 ha->device_type |= DT_FWI2;
c76f2c01 1449 ha->device_type |= DT_IIDMA;
441d1072 1450 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382
AV		 1451 break;
1452 case PCI_DEVICE_ID_QLOGIC_ISP2432:
1453 ha->device_type |= DT_ISP2432;
4a59f71d 1454 ha->device_type |= DT_ZIO_SUPPORTED;
e428924c 1455 ha->device_type |= DT_FWI2;
c76f2c01 1456 ha->device_type |= DT_IIDMA;
441d1072 1457 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1458 break;
044cc6c8
AV		 1459 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1460 ha->device_type |= DT_ISP5422;
e428924c 1461 ha->device_type |= DT_FWI2;
441d1072 1462 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1463 break;
044cc6c8
AV		 1464 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1465 ha->device_type |= DT_ISP5432;
e428924c 1466 ha->device_type |= DT_FWI2;
441d1072 1467 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1468 break;
c3a2f0df
AV		 1469 case PCI_DEVICE_ID_QLOGIC_ISP2532:
1470 ha->device_type |= DT_ISP2532;
1471 ha->device_type |= DT_ZIO_SUPPORTED;
1472 ha->device_type |= DT_FWI2;
1473 ha->device_type |= DT_IIDMA;
441d1072 1474 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382
AV		 1475 break;
1476 }
1477}
1478
1da177e4
LT		 1479static int
1480qla2x00_iospace_config(scsi_qla_host_t *ha)
1481{
1482 unsigned long pio, pio_len, pio_flags;
1483 unsigned long mmio, mmio_len, mmio_flags;
1484
1485 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1486 pio = pci_resource_start(ha->pdev, 0);
1487 pio_len = pci_resource_len(ha->pdev, 0);
1488 pio_flags = pci_resource_flags(ha->pdev, 0);
1489 if (pio_flags & IORESOURCE_IO) {
1490 if (pio_len < MIN_IOBASE_LEN) {
1491 qla_printk(KERN_WARNING, ha,
1492 "Invalid PCI I/O region size (%s)...\n",
1493 pci_name(ha->pdev));
1494 pio = 0;
1495 }
1496 } else {
1497 qla_printk(KERN_WARNING, ha,
1498 "region #0 not a PIO resource (%s)...\n",
1499 pci_name(ha->pdev));
1500 pio = 0;
1501 }
1502
1503 /* Use MMIO operations for all accesses. */
1504 mmio = pci_resource_start(ha->pdev, 1);
1505 mmio_len = pci_resource_len(ha->pdev, 1);
1506 mmio_flags = pci_resource_flags(ha->pdev, 1);
1507
1508 if (!(mmio_flags & IORESOURCE_MEM)) {
1509 qla_printk(KERN_ERR, ha,
1510 "region #0 not an MMIO resource (%s), aborting\n",
1511 pci_name(ha->pdev));
1512 goto iospace_error_exit;
1513 }
1514 if (mmio_len < MIN_IOBASE_LEN) {
1515 qla_printk(KERN_ERR, ha,
1516 "Invalid PCI mem region size (%s), aborting\n",
1517 pci_name(ha->pdev));
1518 goto iospace_error_exit;
1519 }
1520
cb63067a 1521 if (pci_request_regions(ha->pdev, QLA2XXX_DRIVER_NAME)) {
1da177e4
LT		 1522 qla_printk(KERN_WARNING, ha,
1523 "Failed to reserve PIO/MMIO regions (%s)\n",
1524 pci_name(ha->pdev));
1525
1526 goto iospace_error_exit;
1527 }
1528
1529 ha->pio_address = pio;
1530 ha->pio_length = pio_len;
1531 ha->iobase = ioremap(mmio, MIN_IOBASE_LEN);
1532 if (!ha->iobase) {
1533 qla_printk(KERN_ERR, ha,
1534 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1535
1536 goto iospace_error_exit;
1537 }
1538
1539 return (0);
1540
1541iospace_error_exit:
1542 return (-ENOMEM);
1543}
1544
1e99e33a
AV		 1545static void
1546qla2xxx_scan_start(struct Scsi_Host *shost)
1547{
f363b943 1548 scsi_qla_host_t *ha = shost_priv(shost);
1e99e33a
AV		 1549
1550 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
1551 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1552 set_bit(RSCN_UPDATE, &ha->dpc_flags);
1553}
1554
1555static int
1556qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1557{
f363b943 1558 scsi_qla_host_t *ha = shost_priv(shost);
1e99e33a
AV		 1559
1560 if (!ha->host)
1561 return 1;
1562 if (time > ha->loop_reset_delay * HZ)
1563 return 1;
1564
1565 return atomic_read(&ha->loop_state) == LOOP_READY;
1566}
1567
1da177e4
LT		 1568/*
1569 * PCI driver interface
1570 */
7ee61397
AV		 1571static int __devinit
1572qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1da177e4 1573{
a1541d5a 1574 int ret = -ENODEV;
fca29703 1575 device_reg_t __iomem *reg;
1da177e4
LT		 1576 struct Scsi_Host *host;
1577 scsi_qla_host_t *ha;
1578 unsigned long flags = 0;
29856e28 1579 char pci_info[30];
1da177e4 1580 char fw_str[30];
5433383e 1581 struct scsi_host_template *sht;
1da177e4
LT		 1582
1583 if (pci_enable_device(pdev))
a1541d5a 1584 goto probe_out;
1da177e4 1585
14e660e6
SJ		 1586 if (pci_find_aer_capability(pdev))
1587 if (pci_enable_pcie_error_reporting(pdev))
1588 goto probe_out;
1589
5433383e
AV		 1590 sht = &qla2x00_driver_template;
1591 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
8bc69e7d
AV		 1592 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
1593 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
c3a2f0df
AV		 1594 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
1595 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532)
5433383e
AV		 1596 sht = &qla24xx_driver_template;
1597 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
1da177e4
LT		 1598 if (host == NULL) {
1599 printk(KERN_WARNING
1600 "qla2xxx: Couldn't allocate host from scsi layer!\n");
1601 goto probe_disable_device;
1602 }
1603
1604 /* Clear our data area */
f363b943 1605 ha = shost_priv(host);
1da177e4
LT		 1606 memset(ha, 0, sizeof(scsi_qla_host_t));
1607
1608 ha->pdev = pdev;
1609 ha->host = host;
1610 ha->host_no = host->host_no;
cb63067a 1611 sprintf(ha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, ha->host_no);
2c3dfe3f 1612 ha->parent = NULL;
1da177e4 1613
ea5b6382
AV		 1614 /* Set ISP-type information. */
1615 qla2x00_set_isp_flags(ha);
1616
1da177e4
LT		 1617 /* Configure PCI I/O space */
1618 ret = qla2x00_iospace_config(ha);
a1541d5a
AV		 1619 if (ret)
1620 goto probe_failed;
1da177e4 1621
1da177e4 1622 qla_printk(KERN_INFO, ha,
5433383e
AV		 1623 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1624 ha->iobase);
1da177e4
LT		 1625
1626 spin_lock_init(&ha->hardware_lock);
1627
1da177e4 1628 ha->prev_topology = 0;
fca29703 1629 ha->init_cb_size = sizeof(init_cb_t);
2c3dfe3f 1630 ha->mgmt_svr_loop_id = MANAGEMENT_SERVER + ha->vp_idx;
d8b45213 1631 ha->link_data_rate = PORT_SPEED_UNKNOWN;
854165f4 1632 ha->optrom_size = OPTROM_SIZE_2300;
1da177e4 1633
df7baa50
AV		 1634 ha->max_q_depth = MAX_Q_DEPTH;
1635 if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
1636 ha->max_q_depth = ql2xmaxqdepth;
1637
abbd8870 1638 /* Assign ISP specific operations. */
1da177e4 1639 if (IS_QLA2100(ha)) {
354d6b21 1640 host->max_id = MAX_TARGETS_2100;
1da177e4
LT		 1641 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
1642 ha->request_q_length = REQUEST_ENTRY_CNT_2100;
1643 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1644 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
1645 host->sg_tablesize = 32;
abbd8870 1646 ha->gid_list_info_size = 4;
fd34f556 1647 ha->isp_ops = &qla2100_isp_ops;
1da177e4 1648 } else if (IS_QLA2200(ha)) {
354d6b21 1649 host->max_id = MAX_TARGETS_2200;
1da177e4
LT		 1650 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1651 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1652 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1653 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
abbd8870 1654 ha->gid_list_info_size = 4;
fd34f556 1655 ha->isp_ops = &qla2100_isp_ops;
fca29703 1656 } else if (IS_QLA23XX(ha)) {
354d6b21 1657 host->max_id = MAX_TARGETS_2200;
1da177e4
LT		 1658 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1659 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1660 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1661 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
abbd8870 1662 ha->gid_list_info_size = 6;
854165f4
AV		 1663 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1664 ha->optrom_size = OPTROM_SIZE_2322;
fd34f556 1665 ha->isp_ops = &qla2300_isp_ops;
044cc6c8 1666 } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
fca29703
AV		 1667 host->max_id = MAX_TARGETS_2200;
1668 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1669 ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
1670 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1671 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
2c3dfe3f
SJ		 1672 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1673 ha->mgmt_svr_loop_id = 10 + ha->vp_idx;
fca29703 1674 ha->gid_list_info_size = 8;
854165f4 1675 ha->optrom_size = OPTROM_SIZE_24XX;
fd34f556 1676 ha->isp_ops = &qla24xx_isp_ops;
c3a2f0df
AV		 1677 } else if (IS_QLA25XX(ha)) {
1678 host->max_id = MAX_TARGETS_2200;
1679 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1680 ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
1681 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1682 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1683 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1684 ha->mgmt_svr_loop_id = 10 + ha->vp_idx;
1685 ha->gid_list_info_size = 8;
1686 ha->optrom_size = OPTROM_SIZE_25XX;
1687 ha->isp_ops = &qla25xx_isp_ops;
1da177e4
LT		 1688 }
1689 host->can_queue = ha->request_q_length + 128;
1690
1691 /* load the F/W, read paramaters, and init the H/W */
1692 ha->instance = num_hosts;
1693
1694 init_MUTEX(&ha->mbx_cmd_sem);
2c3dfe3f 1695 init_MUTEX(&ha->vport_sem);
1da177e4
LT		 1696 init_MUTEX_LOCKED(&ha->mbx_intr_sem);
1697
1698 INIT_LIST_HEAD(&ha->list);
1699 INIT_LIST_HEAD(&ha->fcports);
2c3dfe3f
SJ		 1700 INIT_LIST_HEAD(&ha->vp_list);
1701
1702 set_bit(0, (unsigned long *) ha->vp_idx_map);
1da177e4 1703
1da177e4
LT		 1704 qla2x00_config_dma_addressing(ha);
1705 if (qla2x00_mem_alloc(ha)) {
1706 qla_printk(KERN_WARNING, ha,
1707 "[ERROR] Failed to allocate memory for adapter\n");
1708
a1541d5a
AV		 1709 ret = -ENOMEM;
1710 goto probe_failed;
1da177e4
LT		 1711 }
1712
765140bf 1713 if (qla2x00_initialize_adapter(ha)) {
1da177e4
LT		 1714 qla_printk(KERN_WARNING, ha,
1715 "Failed to initialize adapter\n");
1716
1717 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1718 "Adapter flags %x.\n",
1719 ha->host_no, ha->device_flags));
1720
a1541d5a 1721 ret = -ENODEV;
1da177e4
LT		 1722 goto probe_failed;
1723 }
1724
1725 /*
1726 * Startup the kernel thread for this host adapter
1727 */
39a11240
CH		 1728 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
1729 "%s_dpc", ha->host_str);
1730 if (IS_ERR(ha->dpc_thread)) {
1da177e4
LT		 1731 qla_printk(KERN_WARNING, ha,
1732 "Unable to start DPC thread!\n");
39a11240 1733 ret = PTR_ERR(ha->dpc_thread);
1da177e4
LT		 1734 goto probe_failed;
1735 }
1da177e4 1736
a1541d5a
AV		 1737 host->this_id = 255;
1738 host->cmd_per_lun = 3;
1739 host->unique_id = ha->instance;
1740 host->max_cmd_len = MAX_CMDSZ;
75bc4190 1741 host->max_channel = MAX_BUSES - 1;
a1541d5a
AV		 1742 host->max_lun = MAX_LUNS;
1743 host->transportt = qla2xxx_transport_template;
1744
a8488abe
AV		 1745 ret = qla2x00_request_irqs(ha);
1746 if (ret)
1da177e4 1747 goto probe_failed;
1da177e4
LT		 1748
1749 /* Initialized the timer */
1750 qla2x00_start_timer(ha, qla2x00_timer, WATCH_INTERVAL);
1751
1752 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
1753 ha->host_no, ha));
1754
fd34f556 1755 ha->isp_ops->disable_intrs(ha);
1da177e4 1756
1da177e4 1757 spin_lock_irqsave(&ha->hardware_lock, flags);
fca29703 1758 reg = ha->iobase;
e428924c 1759 if (IS_FWI2_CAPABLE(ha)) {
fca29703
AV		 1760 WRT_REG_DWORD(&reg->isp24.hccr, HCCRX_CLR_HOST_INT);
1761 WRT_REG_DWORD(&reg->isp24.hccr, HCCRX_CLR_RISC_INT);
1762 } else {
1763 WRT_REG_WORD(&reg->isp.semaphore, 0);
1764 WRT_REG_WORD(&reg->isp.hccr, HCCR_CLR_RISC_INT);
1765 WRT_REG_WORD(&reg->isp.hccr, HCCR_CLR_HOST_INT);
1766
1767 /* Enable proper parity */
1768 if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1769 if (IS_QLA2300(ha))
1770 /* SRAM parity */
1771 WRT_REG_WORD(&reg->isp.hccr,
1772 (HCCR_ENABLE_PARITY + 0x1));
1773 else
1774 /* SRAM, Instruction RAM and GP RAM parity */
1775 WRT_REG_WORD(&reg->isp.hccr,
1776 (HCCR_ENABLE_PARITY + 0x7));
1777 }
1da177e4
LT		 1778 }
1779 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1780
fd34f556 1781 ha->isp_ops->enable_intrs(ha);
1da177e4 1782
a1541d5a 1783 pci_set_drvdata(pdev, ha);
d19044c3 1784
1da177e4 1785 ha->flags.init_done = 1;
d19044c3
AV		 1786 ha->flags.online = 1;
1787
1da177e4
LT		 1788 num_hosts++;
1789
a1541d5a
AV		 1790 ret = scsi_add_host(host, &pdev->dev);
1791 if (ret)
1792 goto probe_failed;
1793
1e99e33a
AV		 1794 scsi_scan_host(host);
1795
a1541d5a
AV		 1796 qla2x00_alloc_sysfs_attr(ha);
1797
1798 qla2x00_init_host_attr(ha);
1799
1da177e4
LT		 1800 qla_printk(KERN_INFO, ha, "\n"
1801 " QLogic Fibre Channel HBA Driver: %s\n"
1802 " QLogic %s - %s\n"
5433383e
AV		 1803 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
1804 qla2x00_version_str, ha->model_number,
1805 ha->model_desc ? ha->model_desc: "", pdev->device,
fd34f556 1806 ha->isp_ops->pci_info_str(ha, pci_info), pci_name(pdev),
5433383e 1807 ha->flags.enable_64bit_addressing ? '+': '-', ha->host_no,
fd34f556 1808 ha->isp_ops->fw_version_str(ha, fw_str));
1da177e4 1809
1da177e4
LT		 1810 return 0;
1811
1812probe_failed:
1813 qla2x00_free_device(ha);
1814
1815 scsi_host_put(host);
1816
1817probe_disable_device:
1818 pci_disable_device(pdev);
1819
a1541d5a
AV		 1820probe_out:
1821 return ret;
1da177e4 1822}
1da177e4 1823
7ee61397
AV		 1824static void __devexit
1825qla2x00_remove_one(struct pci_dev *pdev)
1da177e4
LT		 1826{
1827 scsi_qla_host_t *ha;
1828
1829 ha = pci_get_drvdata(pdev);
1830
8482e118 1831 qla2x00_free_sysfs_attr(ha);
1da177e4 1832
bdf79621
AV		 1833 fc_remove_host(ha->host);
1834
1da177e4
LT		 1835 scsi_remove_host(ha->host);
1836
1837 qla2x00_free_device(ha);
1838
1839 scsi_host_put(ha->host);
1840
665db93b 1841 pci_disable_device(pdev);
1da177e4
LT		 1842 pci_set_drvdata(pdev, NULL);
1843}
1da177e4
LT		 1844
1845static void
1846qla2x00_free_device(scsi_qla_host_t *ha)
1847{
1da177e4
LT		 1848 /* Disable timer */
1849 if (ha->timer_active)
1850 qla2x00_stop_timer(ha);
1851
1852 /* Kill the kernel thread for this host */
39a11240
CH		 1853 if (ha->dpc_thread) {
1854 struct task_struct *t = ha->dpc_thread;
1da177e4 1855
39a11240
CH		 1856 /*
1857 * qla2xxx_wake_dpc checks for ->dpc_thread
1858 * so we need to zero it out.
1859 */
1860 ha->dpc_thread = NULL;
1861 kthread_stop(t);
1da177e4
LT		 1862 }
1863
a7a167bf
AV		 1864 if (ha->eft)
1865 qla2x00_trace_control(ha, TC_DISABLE, 0, 0);
1866
18c6c127
AV		 1867 ha->flags.online = 0;
1868
f6ef3b18 1869 /* Stop currently executing firmware. */
18c6c127 1870 qla2x00_try_to_stop_firmware(ha);
1da177e4 1871
f6ef3b18
AV		 1872 /* turn-off interrupts on the card */
1873 if (ha->interrupts_on)
fd34f556 1874 ha->isp_ops->disable_intrs(ha);
f6ef3b18
AV		 1875
1876 qla2x00_mem_free(ha);
1da177e4 1877
a8488abe 1878 qla2x00_free_irqs(ha);
1da177e4
LT		 1879
1880 /* release io space registers */
1881 if (ha->iobase)
1882 iounmap(ha->iobase);
1883 pci_release_regions(ha->pdev);
1da177e4
LT		 1884}
1885
d97994dc
AV		 1886static inline void
1887qla2x00_schedule_rport_del(struct scsi_qla_host *ha, fc_port_t *fcport,
1888 int defer)
1889{
1890 unsigned long flags;
1891 struct fc_rport *rport;
1892
1893 if (!fcport->rport)
1894 return;
1895
1896 rport = fcport->rport;
1897 if (defer) {
1898 spin_lock_irqsave(&fcport->rport_lock, flags);
1899 fcport->drport = rport;
1900 fcport->rport = NULL;
387f96b4 1901 *(fc_port_t **)rport->dd_data = NULL;
d97994dc
AV		 1902 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1903 set_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags);
1904 } else {
1905 spin_lock_irqsave(&fcport->rport_lock, flags);
1906 fcport->rport = NULL;
387f96b4 1907 *(fc_port_t **)rport->dd_data = NULL;
d97994dc
AV		 1908 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1909 fc_remote_port_delete(rport);
1910 }
1911}
1912
1da177e4
LT		 1913/*
1914 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
1915 *
1916 * Input: ha = adapter block pointer. fcport = port structure pointer.
1917 *
1918 * Return: None.
1919 *
1920 * Context:
1921 */
1922void qla2x00_mark_device_lost(scsi_qla_host_t *ha, fc_port_t *fcport,
d97994dc 1923 int do_login, int defer)
1da177e4 1924{
2c3dfe3f
SJ		 1925 if (atomic_read(&fcport->state) == FCS_ONLINE &&
1926 ha->vp_idx == fcport->vp_idx)
d97994dc 1927 qla2x00_schedule_rport_del(ha, fcport, defer);
19a7b4ae 1928
fa2a1ce5 1929 /*
1da177e4
LT		 1930 * We may need to retry the login, so don't change the state of the
1931 * port but do the retries.
1932 */
1933 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
1934 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1935
1936 if (!do_login)
1937 return;
1938
1939 if (fcport->login_retry == 0) {
1940 fcport->login_retry = ha->login_retry_count;
1941 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
1942
1943 DEBUG(printk("scsi(%ld): Port login retry: "
1944 "%02x%02x%02x%02x%02x%02x%02x%02x, "
1945 "id = 0x%04x retry cnt=%d\n",
1946 ha->host_no,
1947 fcport->port_name[0],
1948 fcport->port_name[1],
1949 fcport->port_name[2],
1950 fcport->port_name[3],
1951 fcport->port_name[4],
1952 fcport->port_name[5],
1953 fcport->port_name[6],
1954 fcport->port_name[7],
1955 fcport->loop_id,
1956 fcport->login_retry));
1957 }
1958}
1959
1960/*
1961 * qla2x00_mark_all_devices_lost
1962 * Updates fcport state when device goes offline.
1963 *
1964 * Input:
1965 * ha = adapter block pointer.
1966 * fcport = port structure pointer.
1967 *
1968 * Return:
1969 * None.
1970 *
1971 * Context:
1972 */
1973void
d97994dc 1974qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha, int defer)
1da177e4
LT		 1975{
1976 fc_port_t *fcport;
2c3dfe3f 1977 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4 1978
2c3dfe3f
SJ		 1979 list_for_each_entry(fcport, &pha->fcports, list) {
1980 if (ha->vp_idx != 0 && ha->vp_idx != fcport->vp_idx)
1da177e4 1981 continue;
1da177e4
LT		 1982 /*
1983 * No point in marking the device as lost, if the device is
1984 * already DEAD.
1985 */
1986 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
1987 continue;
2c3dfe3f
SJ		 1988 if (atomic_read(&fcport->state) == FCS_ONLINE) {
1989 if (defer)
1990 qla2x00_schedule_rport_del(ha, fcport, defer);
1991 else if (ha->vp_idx == fcport->vp_idx)
1992 qla2x00_schedule_rport_del(ha, fcport, defer);
1993 }
1da177e4
LT		 1994 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1995 }
d97994dc 1996
39a11240
CH		 1997 if (defer)
1998 qla2xxx_wake_dpc(ha);
1da177e4
LT		 1999}
2000
2001/*
2002* qla2x00_mem_alloc
2003* Allocates adapter memory.
2004*
2005* Returns:
2006* 0 = success.
2007* 1 = failure.
2008*/
2c3dfe3f 2009uint8_t
1da177e4
LT		 2010qla2x00_mem_alloc(scsi_qla_host_t *ha)
2011{
2012 char name[16];
2013 uint8_t status = 1;
2014 int retry= 10;
2015
2016 do {
2017 /*
2018 * This will loop only once if everything goes well, else some
2019 * number of retries will be performed to get around a kernel
2020 * bug where available mem is not allocated until after a
2021 * little delay and a retry.
2022 */
2023 ha->request_ring = dma_alloc_coherent(&ha->pdev->dev,
2024 (ha->request_q_length + 1) * sizeof(request_t),
2025 &ha->request_dma, GFP_KERNEL);
2026 if (ha->request_ring == NULL) {
2027 qla_printk(KERN_WARNING, ha,
2028 "Memory Allocation failed - request_ring\n");
2029
2030 qla2x00_mem_free(ha);
2031 msleep(100);
2032
2033 continue;
2034 }
2035
2036 ha->response_ring = dma_alloc_coherent(&ha->pdev->dev,
2037 (ha->response_q_length + 1) * sizeof(response_t),
2038 &ha->response_dma, GFP_KERNEL);
2039 if (ha->response_ring == NULL) {
2040 qla_printk(KERN_WARNING, ha,
2041 "Memory Allocation failed - response_ring\n");
2042
2043 qla2x00_mem_free(ha);
2044 msleep(100);
2045
2046 continue;
2047 }
2048
2049 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2050 &ha->gid_list_dma, GFP_KERNEL);
2051 if (ha->gid_list == NULL) {
2052 qla_printk(KERN_WARNING, ha,
2053 "Memory Allocation failed - gid_list\n");
2054
2055 qla2x00_mem_free(ha);
2056 msleep(100);
2057
2058 continue;
2059 }
2060
2c3dfe3f
SJ		 2061 /* get consistent memory allocated for init control block */
2062 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev,
2063 ha->init_cb_size, &ha->init_cb_dma, GFP_KERNEL);
2064 if (ha->init_cb == NULL) {
1da177e4 2065 qla_printk(KERN_WARNING, ha,
2c3dfe3f 2066 "Memory Allocation failed - init_cb\n");
1da177e4
LT		 2067
2068 qla2x00_mem_free(ha);
2069 msleep(100);
2070
2071 continue;
2072 }
2c3dfe3f 2073 memset(ha->init_cb, 0, ha->init_cb_size);
1da177e4 2074
2c3dfe3f
SJ		 2075 snprintf(name, sizeof(name), "%s_%ld", QLA2XXX_DRIVER_NAME,
2076 ha->host_no);
2077 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2078 DMA_POOL_SIZE, 8, 0);
2079 if (ha->s_dma_pool == NULL) {
1da177e4 2080 qla_printk(KERN_WARNING, ha,
2c3dfe3f 2081 "Memory Allocation failed - s_dma_pool\n");
1da177e4
LT		 2082
2083 qla2x00_mem_free(ha);
2084 msleep(100);
2085
2086 continue;
2087 }
1da177e4 2088
1da177e4
LT		 2089 if (qla2x00_allocate_sp_pool(ha)) {
2090 qla_printk(KERN_WARNING, ha,
2091 "Memory Allocation failed - "
2092 "qla2x00_allocate_sp_pool()\n");
2093
2094 qla2x00_mem_free(ha);
2095 msleep(100);
2096
2097 continue;
2098 }
2099
2100 /* Allocate memory for SNS commands */
2101 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2102 /* Get consistent memory allocated for SNS commands */
2103 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
2104 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma,
2105 GFP_KERNEL);
2106 if (ha->sns_cmd == NULL) {
2107 /* error */
2108 qla_printk(KERN_WARNING, ha,
2109 "Memory Allocation failed - sns_cmd\n");
2110
2111 qla2x00_mem_free(ha);
2112 msleep(100);
2113
2114 continue;
2115 }
2116 memset(ha->sns_cmd, 0, sizeof(struct sns_cmd_pkt));
2117 } else {
2118 /* Get consistent memory allocated for MS IOCB */
2119 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2120 &ha->ms_iocb_dma);
2121 if (ha->ms_iocb == NULL) {
2122 /* error */
2123 qla_printk(KERN_WARNING, ha,
2124 "Memory Allocation failed - ms_iocb\n");
2125
2126 qla2x00_mem_free(ha);
2127 msleep(100);
2128
2129 continue;
2130 }
2131 memset(ha->ms_iocb, 0, sizeof(ms_iocb_entry_t));
2132
2133 /*
2134 * Get consistent memory allocated for CT SNS
2135 * commands
2136 */
2137 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
2138 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma,
2139 GFP_KERNEL);
2140 if (ha->ct_sns == NULL) {
2141 /* error */
2142 qla_printk(KERN_WARNING, ha,
2143 "Memory Allocation failed - ct_sns\n");
2144
2145 qla2x00_mem_free(ha);
2146 msleep(100);
2147
2148 continue;
2149 }
2150 memset(ha->ct_sns, 0, sizeof(struct ct_sns_pkt));
88729e53 2151
e428924c 2152 if (IS_FWI2_CAPABLE(ha)) {
88729e53
AV		 2153 /*
2154 * Get consistent memory allocated for SFP
2155 * block.
2156 */
2157 ha->sfp_data = dma_pool_alloc(ha->s_dma_pool,
2158 GFP_KERNEL, &ha->sfp_data_dma);
2159 if (ha->sfp_data == NULL) {
2160 qla_printk(KERN_WARNING, ha,
2161 "Memory Allocation failed - "
2162 "sfp_data\n");
2163
2164 qla2x00_mem_free(ha);
2165 msleep(100);
2166
2167 continue;
2168 }
2169 memset(ha->sfp_data, 0, SFP_BLOCK_SIZE);
2170 }
1da177e4
LT		 2171 }
2172
53772a2c
SJ		 2173 /* Get memory for cached NVRAM */
2174 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2175 if (ha->nvram == NULL) {
2176 /* error */
2177 qla_printk(KERN_WARNING, ha,
2178 "Memory Allocation failed - nvram cache\n");
2179
2180 qla2x00_mem_free(ha);
2181 msleep(100);
2182
2183 continue;
2184 }
2185
1da177e4
LT		 2186 /* Done all allocations without any error. */
2187 status = 0;
2188
2189 } while (retry-- && status != 0);
2190
2191 if (status) {
2192 printk(KERN_WARNING
2193 "%s(): **** FAILED ****\n", __func__);
2194 }
2195
2196 return(status);
2197}
2198
2199/*
2200* qla2x00_mem_free
2201* Frees all adapter allocated memory.
2202*
2203* Input:
2204* ha = adapter block pointer.
2205*/
2c3dfe3f 2206void
1da177e4
LT		 2207qla2x00_mem_free(scsi_qla_host_t *ha)
2208{
1da177e4
LT		 2209 struct list_head *fcpl, *fcptemp;
2210 fc_port_t *fcport;
1da177e4
LT		 2211
2212 if (ha == NULL) {
2213 /* error */
2214 DEBUG2(printk("%s(): ERROR invalid ha pointer.\n", __func__));
2215 return;
2216 }
2217
1da177e4
LT		 2218 /* free sp pool */
2219 qla2x00_free_sp_pool(ha);
2220
a7a167bf
AV		 2221 if (ha->fw_dump) {
2222 if (ha->eft)
2223 dma_free_coherent(&ha->pdev->dev,
2224 ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
2225 vfree(ha->fw_dump);
2226 }
2227
1da177e4
LT		 2228 if (ha->sns_cmd)
2229 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2230 ha->sns_cmd, ha->sns_cmd_dma);
2231
2232 if (ha->ct_sns)
2233 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2234 ha->ct_sns, ha->ct_sns_dma);
2235
88729e53
AV		 2236 if (ha->sfp_data)
2237 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2238
1da177e4
LT		 2239 if (ha->ms_iocb)
2240 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2241
1da177e4
LT		 2242 if (ha->s_dma_pool)
2243 dma_pool_destroy(ha->s_dma_pool);
2244
2c3dfe3f
SJ		 2245 if (ha->init_cb)
2246 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2247 ha->init_cb, ha->init_cb_dma);
2248
1da177e4
LT		 2249 if (ha->gid_list)
2250 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2251 ha->gid_list_dma);
2252
2253 if (ha->response_ring)
2254 dma_free_coherent(&ha->pdev->dev,
2255 (ha->response_q_length + 1) * sizeof(response_t),
2256 ha->response_ring, ha->response_dma);
2257
2258 if (ha->request_ring)
2259 dma_free_coherent(&ha->pdev->dev,
2260 (ha->request_q_length + 1) * sizeof(request_t),
2261 ha->request_ring, ha->request_dma);
2262
a7a167bf
AV		 2263 ha->eft = NULL;
2264 ha->eft_dma = 0;
1da177e4
LT		 2265 ha->sns_cmd = NULL;
2266 ha->sns_cmd_dma = 0;
2267 ha->ct_sns = NULL;
2268 ha->ct_sns_dma = 0;
2269 ha->ms_iocb = NULL;
2270 ha->ms_iocb_dma = 0;
1da177e4
LT		 2271 ha->init_cb = NULL;
2272 ha->init_cb_dma = 0;
2273
2274 ha->s_dma_pool = NULL;
2275
1da177e4
LT		 2276 ha->gid_list = NULL;
2277 ha->gid_list_dma = 0;
2278
2279 ha->response_ring = NULL;
2280 ha->response_dma = 0;
2281 ha->request_ring = NULL;
2282 ha->request_dma = 0;
2283
2284 list_for_each_safe(fcpl, fcptemp, &ha->fcports) {
2285 fcport = list_entry(fcpl, fc_port_t, list);
2286
1da177e4
LT		 2287 /* fc ports */
2288 list_del_init(&fcport->list);
2289 kfree(fcport);
2290 }
2291 INIT_LIST_HEAD(&ha->fcports);
2292
1da177e4 2293 ha->fw_dump = NULL;
fca29703 2294 ha->fw_dumped = 0;
1da177e4 2295 ha->fw_dump_reading = 0;
854165f4
AV		 2296
2297 vfree(ha->optrom_buffer);
53772a2c 2298 kfree(ha->nvram);
1da177e4
LT		 2299}
2300
2301/*
2302 * qla2x00_allocate_sp_pool
2303 * This routine is called during initialization to allocate
2304 * memory for local srb_t.
2305 *
2306 * Input:
2307 * ha = adapter block pointer.
2308 *
2309 * Context:
2310 * Kernel context.
1da177e4
LT		 2311 */
2312static int
fa2a1ce5 2313qla2x00_allocate_sp_pool(scsi_qla_host_t *ha)
1da177e4
LT		 2314{
2315 int rval;
2316
2317 rval = QLA_SUCCESS;
93d2341c 2318 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
1da177e4
LT		 2319 if (ha->srb_mempool == NULL) {
2320 qla_printk(KERN_INFO, ha, "Unable to allocate SRB mempool.\n");
2321 rval = QLA_FUNCTION_FAILED;
2322 }
2323 return (rval);
2324}
2325
2326/*
2327 * This routine frees all adapter allocated memory.
fa2a1ce5 2328 *
1da177e4
LT		 2329 */
2330static void
fa2a1ce5 2331qla2x00_free_sp_pool( scsi_qla_host_t *ha)
1da177e4
LT		 2332{
2333 if (ha->srb_mempool) {
2334 mempool_destroy(ha->srb_mempool);
2335 ha->srb_mempool = NULL;
2336 }
2337}
2338
2339/**************************************************************************
2340* qla2x00_do_dpc
2341* This kernel thread is a task that is schedule by the interrupt handler
2342* to perform the background processing for interrupts.
2343*
2344* Notes:
2345* This task always run in the context of a kernel thread. It
2346* is kick-off by the driver's detect code and starts up
2347* up one per adapter. It immediately goes to sleep and waits for
2348* some fibre event. When either the interrupt handler or
2349* the timer routine detects a event it will one of the task
2350* bits then wake us up.
2351**************************************************************************/
2352static int
2353qla2x00_do_dpc(void *data)
2354{
2c3dfe3f 2355 int rval;
1da177e4
LT		 2356 scsi_qla_host_t *ha;
2357 fc_port_t *fcport;
1da177e4 2358 uint8_t status;
1da177e4 2359 uint16_t next_loopid;
1da177e4
LT		 2360
2361 ha = (scsi_qla_host_t *)data;
2362
1da177e4
LT		 2363 set_user_nice(current, -20);
2364
39a11240 2365 while (!kthread_should_stop()) {
1da177e4
LT		 2366 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2367
39a11240
CH		 2368 set_current_state(TASK_INTERRUPTIBLE);
2369 schedule();
2370 __set_current_state(TASK_RUNNING);
1da177e4
LT		 2371
2372 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2373
2374 /* Initialization not yet finished. Don't do anything yet. */
39a11240 2375 if (!ha->flags.init_done)
1da177e4
LT		 2376 continue;
2377
2378 DEBUG3(printk("scsi(%ld): DPC handler\n", ha->host_no));
2379
2380 ha->dpc_active = 1;
2381
1da177e4 2382 if (ha->flags.mbox_busy) {
1da177e4
LT		 2383 ha->dpc_active = 0;
2384 continue;
2385 }
2386
2387 if (test_and_clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
2388
2389 DEBUG(printk("scsi(%ld): dpc: sched "
2390 "qla2x00_abort_isp ha = %p\n",
2391 ha->host_no, ha));
2392 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
2393 &ha->dpc_flags))) {
2394
2395 if (qla2x00_abort_isp(ha)) {
2396 /* failed. retry later */
2397 set_bit(ISP_ABORT_NEEDED,
2398 &ha->dpc_flags);
2399 }
2400 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2401 }
2402 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
2403 ha->host_no));
2404 }
2405
d97994dc
AV		 2406 if (test_and_clear_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags))
2407 qla2x00_update_fcports(ha);
2408
91ca7b01
AV		 2409 if (test_and_clear_bit(LOOP_RESET_NEEDED, &ha->dpc_flags)) {
2410 DEBUG(printk("scsi(%ld): dpc: sched loop_reset()\n",
2411 ha->host_no));
2412 qla2x00_loop_reset(ha);
2413 }
2414
1da177e4
LT		 2415 if (test_and_clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) &&
2416 (!(test_and_set_bit(RESET_ACTIVE, &ha->dpc_flags)))) {
2417
2418 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
2419 ha->host_no));
2420
2421 qla2x00_rst_aen(ha);
2422 clear_bit(RESET_ACTIVE, &ha->dpc_flags);
2423 }
2424
2425 /* Retry each device up to login retry count */
2426 if ((test_and_clear_bit(RELOGIN_NEEDED, &ha->dpc_flags)) &&
2427 !test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) &&
2428 atomic_read(&ha->loop_state) != LOOP_DOWN) {
2429
2430 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
2431 ha->host_no));
2432
2433 next_loopid = 0;
2434 list_for_each_entry(fcport, &ha->fcports, list) {
1da177e4
LT		 2435 /*
2436 * If the port is not ONLINE then try to login
2437 * to it if we haven't run out of retries.
2438 */
2439 if (atomic_read(&fcport->state) != FCS_ONLINE &&
2440 fcport->login_retry) {
2441
1da177e4
LT		 2442 if (fcport->flags & FCF_FABRIC_DEVICE) {
2443 if (fcport->flags &
2444 FCF_TAPE_PRESENT)
fd34f556 2445 ha->isp_ops->fabric_logout(
1c7c6357
AV		 2446 ha, fcport->loop_id,
2447 fcport->d_id.b.domain,
2448 fcport->d_id.b.area,
2449 fcport->d_id.b.al_pa);
1da177e4
LT		 2450 status = qla2x00_fabric_login(
2451 ha, fcport, &next_loopid);
2452 } else
2453 status =
2454 qla2x00_local_device_login(
9a52a57c 2455 ha, fcport);
1da177e4 2456
63a8651f 2457 fcport->login_retry--;
1da177e4
LT		 2458 if (status == QLA_SUCCESS) {
2459 fcport->old_loop_id = fcport->loop_id;
2460
2461 DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n",
2462 ha->host_no, fcport->loop_id));
fa2a1ce5 2463
052c40c8
AV		 2464 qla2x00_update_fcport(ha,
2465 fcport);
1da177e4
LT		 2466 } else if (status == 1) {
2467 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
2468 /* retry the login again */
2469 DEBUG(printk("scsi(%ld): Retrying %d login again loop_id 0x%x\n",
2470 ha->host_no,
2471 fcport->login_retry, fcport->loop_id));
2472 } else {
2473 fcport->login_retry = 0;
2474 }
63a8651f
RA		 2475 if (fcport->login_retry == 0)
2476 fcport->loop_id = FC_NO_LOOP_ID;
1da177e4
LT		 2477 }
2478 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2479 break;
2480 }
2481 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
2482 ha->host_no));
2483 }
2484
2485 if ((test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags)) &&
2486 atomic_read(&ha->loop_state) != LOOP_DOWN) {
2487
2488 clear_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags);
2489 DEBUG(printk("scsi(%ld): qla2x00_login_retry()\n",
2490 ha->host_no));
fa2a1ce5 2491
1da177e4
LT		 2492 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
2493
2494 DEBUG(printk("scsi(%ld): qla2x00_login_retry - end\n",
2495 ha->host_no));
2496 }
2497
2498 if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
2499
2500 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
2501 ha->host_no));
2502
2503 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
2504 &ha->dpc_flags))) {
2505
2c3dfe3f 2506 rval = qla2x00_loop_resync(ha);
1da177e4
LT		 2507
2508 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
2509 }
2510
2511 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
2512 ha->host_no));
2513 }
2514
1da177e4
LT		 2515 if (test_and_clear_bit(FCPORT_RESCAN_NEEDED, &ha->dpc_flags)) {
2516
2517 DEBUG(printk("scsi(%ld): Rescan flagged fcports...\n",
2518 ha->host_no));
2519
2520 qla2x00_rescan_fcports(ha);
2521
2522 DEBUG(printk("scsi(%ld): Rescan flagged fcports..."
2523 "end.\n",
2524 ha->host_no));
2525 }
2526
1da177e4 2527 if (!ha->interrupts_on)
fd34f556 2528 ha->isp_ops->enable_intrs(ha);
1da177e4 2529
f6df144c 2530 if (test_and_clear_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags))
fd34f556 2531 ha->isp_ops->beacon_blink(ha);
f6df144c 2532
2c3dfe3f
SJ		 2533 qla2x00_do_dpc_all_vps(ha);
2534
1da177e4
LT		 2535 ha->dpc_active = 0;
2536 } /* End of while(1) */
2537
2538 DEBUG(printk("scsi(%ld): DPC handler exiting\n", ha->host_no));
2539
2540 /*
2541 * Make sure that nobody tries to wake us up again.
2542 */
1da177e4
LT		 2543 ha->dpc_active = 0;
2544
39a11240
CH		 2545 return 0;
2546}
2547
2548void
2549qla2xxx_wake_dpc(scsi_qla_host_t *ha)
2550{
2551 if (ha->dpc_thread)
2552 wake_up_process(ha->dpc_thread);
1da177e4
LT		 2553}
2554
1da177e4
LT		 2555/*
2556* qla2x00_rst_aen
2557* Processes asynchronous reset.
2558*
2559* Input:
2560* ha = adapter block pointer.
2561*/
2562static void
fa2a1ce5 2563qla2x00_rst_aen(scsi_qla_host_t *ha)
1da177e4
LT		 2564{
2565 if (ha->flags.online && !ha->flags.reset_active &&
2566 !atomic_read(&ha->loop_down_timer) &&
2567 !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) {
2568 do {
2569 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
2570
2571 /*
2572 * Issue marker command only when we are going to start
2573 * the I/O.
2574 */
2575 ha->marker_needed = 1;
2576 } while (!atomic_read(&ha->loop_down_timer) &&
2577 (test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags)));
2578 }
2579}
2580
f4f051eb
AV		 2581static void
2582qla2x00_sp_free_dma(scsi_qla_host_t *ha, srb_t *sp)
2583{
2584 struct scsi_cmnd *cmd = sp->cmd;
2585
2586 if (sp->flags & SRB_DMA_VALID) {
385d70b4 2587 scsi_dma_unmap(cmd);
f4f051eb
AV		 2588 sp->flags &= ~SRB_DMA_VALID;
2589 }
fca29703 2590 CMD_SP(cmd) = NULL;
f4f051eb
AV		 2591}
2592
2593void
2594qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *sp)
2595{
2596 struct scsi_cmnd *cmd = sp->cmd;
2597
2598 qla2x00_sp_free_dma(ha, sp);
2599
f4f051eb
AV		 2600 mempool_free(sp, ha->srb_mempool);
2601
2602 cmd->scsi_done(cmd);
2603}
bdf79621 2604
1da177e4
LT		 2605/**************************************************************************
2606* qla2x00_timer
2607*
2608* Description:
2609* One second timer
2610*
2611* Context: Interrupt
2612***************************************************************************/
2c3dfe3f 2613void
1da177e4
LT		 2614qla2x00_timer(scsi_qla_host_t *ha)
2615{
1da177e4
LT		 2616 unsigned long cpu_flags = 0;
2617 fc_port_t *fcport;
1da177e4
LT		 2618 int start_dpc = 0;
2619 int index;
2620 srb_t *sp;
f4f051eb 2621 int t;
2c3dfe3f 2622 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4
LT		 2623
2624 /*
2625 * Ports - Port down timer.
2626 *
2627 * Whenever, a port is in the LOST state we start decrementing its port
2628 * down timer every second until it reaches zero. Once it reaches zero
fa2a1ce5 2629 * the port it marked DEAD.
1da177e4
LT		 2630 */
2631 t = 0;
2632 list_for_each_entry(fcport, &ha->fcports, list) {
2633 if (fcport->port_type != FCT_TARGET)
2634 continue;
2635
2636 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2637
2638 if (atomic_read(&fcport->port_down_timer) == 0)
2639 continue;
2640
fa2a1ce5 2641 if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
1da177e4 2642 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
fa2a1ce5 2643
1da177e4 2644 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
fca29703 2645 "%d remaining\n",
1da177e4
LT		 2646 ha->host_no,
2647 t, atomic_read(&fcport->port_down_timer)));
2648 }
2649 t++;
2650 } /* End of for fcport */
2651
1da177e4
LT		 2652
2653 /* Loop down handler. */
2654 if (atomic_read(&ha->loop_down_timer) > 0 &&
2655 !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) && ha->flags.online) {
2656
2657 if (atomic_read(&ha->loop_down_timer) ==
2658 ha->loop_down_abort_time) {
2659
2660 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2661 "queues before time expire\n",
2662 ha->host_no));
2663
2664 if (!IS_QLA2100(ha) && ha->link_down_timeout)
fa2a1ce5 2665 atomic_set(&ha->loop_state, LOOP_DEAD);
1da177e4
LT		 2666
2667 /* Schedule an ISP abort to return any tape commands. */
2c3dfe3f
SJ		 2668 /* NPIV - scan physical port only */
2669 if (!ha->parent) {
2670 spin_lock_irqsave(&ha->hardware_lock,
2671 cpu_flags);
2672 for (index = 1;
2673 index < MAX_OUTSTANDING_COMMANDS;
2674 index++) {
2675 fc_port_t *sfcp;
2676
2677 sp = ha->outstanding_cmds[index];
2678 if (!sp)
2679 continue;
2680 sfcp = sp->fcport;
2681 if (!(sfcp->flags & FCF_TAPE_PRESENT))
2682 continue;
bdf79621 2683
2c3dfe3f
SJ		 2684 set_bit(ISP_ABORT_NEEDED,
2685 &ha->dpc_flags);
2686 break;
2687 }
2688 spin_unlock_irqrestore(&ha->hardware_lock,
2689 cpu_flags);
1da177e4 2690 }
1da177e4
LT		 2691 set_bit(ABORT_QUEUES_NEEDED, &ha->dpc_flags);
2692 start_dpc++;
2693 }
2694
2695 /* if the loop has been down for 4 minutes, reinit adapter */
2696 if (atomic_dec_and_test(&ha->loop_down_timer) != 0) {
2697 DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - "
2698 "restarting queues.\n",
2699 ha->host_no));
2700
2701 set_bit(RESTART_QUEUES_NEEDED, &ha->dpc_flags);
2702 start_dpc++;
2703
2704 if (!(ha->device_flags & DFLG_NO_CABLE)) {
2705 DEBUG(printk("scsi(%ld): Loop down - "
2706 "aborting ISP.\n",
2707 ha->host_no));
2708 qla_printk(KERN_WARNING, ha,
2709 "Loop down - aborting ISP.\n");
2710
2711 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
2712 }
2713 }
fca29703 2714 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
1da177e4
LT		 2715 ha->host_no,
2716 atomic_read(&ha->loop_down_timer)));
2717 }
2718
f6df144c
AV		 2719 /* Check if beacon LED needs to be blinked */
2720 if (ha->beacon_blink_led == 1) {
2721 set_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags);
2722 start_dpc++;
2723 }
2724
1da177e4
LT		 2725 /* Schedule the DPC routine if needed */
2726 if ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) ||
2727 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) ||
91ca7b01 2728 test_bit(LOOP_RESET_NEEDED, &ha->dpc_flags) ||
d97994dc 2729 test_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags) ||
1da177e4
LT		 2730 start_dpc ||
2731 test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags) ||
f4f051eb 2732 test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) ||
f6df144c 2733 test_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags) ||
2c3dfe3f 2734 test_bit(VP_DPC_NEEDED, &ha->dpc_flags) ||
39a11240 2735 test_bit(RELOGIN_NEEDED, &ha->dpc_flags)))
2c3dfe3f 2736 qla2xxx_wake_dpc(pha);
1da177e4
LT		 2737
2738 qla2x00_restart_timer(ha, WATCH_INTERVAL);
2739}
2740
1da177e4
LT		 2741/* XXX(hch): crude hack to emulate a down_timeout() */
2742int
2743qla2x00_down_timeout(struct semaphore *sema, unsigned long timeout)
2744{
fe74c71f
AV		 2745 const unsigned int step = 100; /* msecs */
2746 unsigned int iterations = jiffies_to_msecs(timeout)/100;
1da177e4
LT		 2747
2748 do {
2749 if (!down_trylock(sema))
2750 return 0;
fe74c71f 2751 if (msleep_interruptible(step))
1da177e4 2752 break;
88f5774b 2753 } while (--iterations > 0);
1da177e4
LT		 2754
2755 return -ETIMEDOUT;
2756}
2757
5433383e
AV		 2758/* Firmware interface routines. */
2759
c3a2f0df 2760#define FW_BLOBS 6
5433383e
AV		 2761#define FW_ISP21XX 0
2762#define FW_ISP22XX 1
2763#define FW_ISP2300 2
2764#define FW_ISP2322 3
48c02fde 2765#define FW_ISP24XX 4
c3a2f0df 2766#define FW_ISP25XX 5
5433383e 2767
bb8ee499
AV		 2768#define FW_FILE_ISP21XX "ql2100_fw.bin"
2769#define FW_FILE_ISP22XX "ql2200_fw.bin"
2770#define FW_FILE_ISP2300 "ql2300_fw.bin"
2771#define FW_FILE_ISP2322 "ql2322_fw.bin"
2772#define FW_FILE_ISP24XX "ql2400_fw.bin"
c3a2f0df 2773#define FW_FILE_ISP25XX "ql2500_fw.bin"
bb8ee499 2774
5433383e
AV		 2775static DECLARE_MUTEX(qla_fw_lock);
2776
2777static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
bb8ee499
AV		 2778 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
2779 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
2780 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
2781 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
2782 { .name = FW_FILE_ISP24XX, },
c3a2f0df 2783 { .name = FW_FILE_ISP25XX, },
5433383e
AV		 2784};
2785
2786struct fw_blob *
2787qla2x00_request_firmware(scsi_qla_host_t *ha)
2788{
2789 struct fw_blob *blob;
2790
2791 blob = NULL;
2792 if (IS_QLA2100(ha)) {
2793 blob = &qla_fw_blobs[FW_ISP21XX];
2794 } else if (IS_QLA2200(ha)) {
2795 blob = &qla_fw_blobs[FW_ISP22XX];
48c02fde 2796 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
5433383e 2797 blob = &qla_fw_blobs[FW_ISP2300];
48c02fde 2798 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
5433383e 2799 blob = &qla_fw_blobs[FW_ISP2322];
044cc6c8 2800 } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
5433383e 2801 blob = &qla_fw_blobs[FW_ISP24XX];
c3a2f0df
AV		 2802 } else if (IS_QLA25XX(ha)) {
2803 blob = &qla_fw_blobs[FW_ISP25XX];
5433383e
AV		 2804 }
2805
2806 down(&qla_fw_lock);
2807 if (blob->fw)
2808 goto out;
2809
2810 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
2811 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
2812 "(%s).\n", ha->host_no, blob->name));
2813 blob->fw = NULL;
2814 blob = NULL;
2815 goto out;
2816 }
2817
2818out:
2819 up(&qla_fw_lock);
2820 return blob;
2821}
2822
2823static void
2824qla2x00_release_firmware(void)
2825{
2826 int idx;
2827
2828 down(&qla_fw_lock);
2829 for (idx = 0; idx < FW_BLOBS; idx++)
2830 if (qla_fw_blobs[idx].fw)
2831 release_firmware(qla_fw_blobs[idx].fw);
2832 up(&qla_fw_lock);
2833}
2834
14e660e6
SJ		 2835static pci_ers_result_t
2836qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
2837{
2838 switch (state) {
2839 case pci_channel_io_normal:
2840 return PCI_ERS_RESULT_CAN_RECOVER;
2841 case pci_channel_io_frozen:
2842 pci_disable_device(pdev);
2843 return PCI_ERS_RESULT_NEED_RESET;
2844 case pci_channel_io_perm_failure:
2845 qla2x00_remove_one(pdev);
2846 return PCI_ERS_RESULT_DISCONNECT;
2847 }
2848 return PCI_ERS_RESULT_NEED_RESET;
2849}
2850
2851static pci_ers_result_t
2852qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
2853{
2854 int risc_paused = 0;
2855 uint32_t stat;
2856 unsigned long flags;
2857 scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2858 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2859 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
2860
2861 spin_lock_irqsave(&ha->hardware_lock, flags);
2862 if (IS_QLA2100(ha) || IS_QLA2200(ha)){
2863 stat = RD_REG_DWORD(&reg->hccr);
2864 if (stat & HCCR_RISC_PAUSE)
2865 risc_paused = 1;
2866 } else if (IS_QLA23XX(ha)) {
2867 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
2868 if (stat & HSR_RISC_PAUSED)
2869 risc_paused = 1;
2870 } else if (IS_FWI2_CAPABLE(ha)) {
2871 stat = RD_REG_DWORD(&reg24->host_status);
2872 if (stat & HSRX_RISC_PAUSED)
2873 risc_paused = 1;
2874 }
2875 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2876
2877 if (risc_paused) {
2878 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
2879 "Dumping firmware!\n");
2880 ha->isp_ops->fw_dump(ha, 0);
2881
2882 return PCI_ERS_RESULT_NEED_RESET;
2883 } else
2884 return PCI_ERS_RESULT_RECOVERED;
2885}
2886
2887static pci_ers_result_t
2888qla2xxx_pci_slot_reset(struct pci_dev *pdev)
2889{
2890 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
2891 scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2892
2893 if (pci_enable_device(pdev)) {
2894 qla_printk(KERN_WARNING, ha,
2895 "Can't re-enable PCI device after reset.\n");
2896
2897 return ret;
2898 }
2899 pci_set_master(pdev);
2900
2901 if (ha->isp_ops->pci_config(ha))
2902 return ret;
2903
2904 set_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2905 if (qla2x00_abort_isp(ha)== QLA_SUCCESS)
2906 ret = PCI_ERS_RESULT_RECOVERED;
2907 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2908
2909 return ret;
2910}
2911
2912static void
2913qla2xxx_pci_resume(struct pci_dev *pdev)
2914{
2915 scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2916 int ret;
2917
2918 ret = qla2x00_wait_for_hba_online(ha);
2919 if (ret != QLA_SUCCESS) {
2920 qla_printk(KERN_ERR, ha,
2921 "the device failed to resume I/O "
2922 "from slot/link_reset");
2923 }
2924 pci_cleanup_aer_uncorrect_error_status(pdev);
2925}
2926
2927static struct pci_error_handlers qla2xxx_err_handler = {
2928 .error_detected = qla2xxx_pci_error_detected,
2929 .mmio_enabled = qla2xxx_pci_mmio_enabled,
2930 .slot_reset = qla2xxx_pci_slot_reset,
2931 .resume = qla2xxx_pci_resume,
2932};
2933
5433383e 2934static struct pci_device_id qla2xxx_pci_tbl[] = {
47f5e069
AV		 2935 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
2936 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
2937 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
2938 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
2939 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
2940 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
2941 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
2942 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
2943 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
2944 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
2945 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
c3a2f0df 2946 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
5433383e
AV		 2947 { 0 },
2948};
2949MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
2950
fca29703 2951static struct pci_driver qla2xxx_pci_driver = {
cb63067a 2952 .name = QLA2XXX_DRIVER_NAME,
0a21ef1e
JB		 2953 .driver = {
2954 .owner = THIS_MODULE,
2955 },
fca29703 2956 .id_table = qla2xxx_pci_tbl,
7ee61397
AV		 2957 .probe = qla2x00_probe_one,
2958 .remove = __devexit_p(qla2x00_remove_one),
14e660e6 2959 .err_handler = &qla2xxx_err_handler,
fca29703
AV		 2960};
2961
1da177e4
LT		 2962/**
2963 * qla2x00_module_init - Module initialization.
2964 **/
2965static int __init
2966qla2x00_module_init(void)
2967{
fca29703
AV		 2968 int ret = 0;
2969
1da177e4 2970 /* Allocate cache for SRBs. */
354d6b21 2971 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
20c2df83 2972 SLAB_HWCACHE_ALIGN, NULL);
1da177e4
LT		 2973 if (srb_cachep == NULL) {
2974 printk(KERN_ERR
2975 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
2976 return -ENOMEM;
2977 }
2978
2979 /* Derive version string. */
2980 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
11010fec 2981 if (ql2xextended_error_logging)
0181944f
AV		 2982 strcat(qla2x00_version_str, "-debug");
2983
1c97a12a
AV		 2984 qla2xxx_transport_template =
2985 fc_attach_transport(&qla2xxx_transport_functions);
2c3dfe3f
SJ		 2986 if (!qla2xxx_transport_template) {
2987 kmem_cache_destroy(srb_cachep);
1da177e4 2988 return -ENODEV;
2c3dfe3f
SJ		 2989 }
2990 qla2xxx_transport_vport_template =
2991 fc_attach_transport(&qla2xxx_transport_vport_functions);
2992 if (!qla2xxx_transport_vport_template) {
2993 kmem_cache_destroy(srb_cachep);
2994 fc_release_transport(qla2xxx_transport_template);
1da177e4 2995 return -ENODEV;
2c3dfe3f 2996 }
1da177e4
LT		 2997
2998 printk(KERN_INFO "QLogic Fibre Channel HBA Driver\n");
7ee61397 2999 ret = pci_register_driver(&qla2xxx_pci_driver);
fca29703
AV		 3000 if (ret) {
3001 kmem_cache_destroy(srb_cachep);
3002 fc_release_transport(qla2xxx_transport_template);
2c3dfe3f 3003 fc_release_transport(qla2xxx_transport_vport_template);
fca29703
AV		 3004 }
3005 return ret;
1da177e4
LT		 3006}
3007
3008/**
3009 * qla2x00_module_exit - Module cleanup.
3010 **/
3011static void __exit
3012qla2x00_module_exit(void)
3013{
7ee61397 3014 pci_unregister_driver(&qla2xxx_pci_driver);
5433383e 3015 qla2x00_release_firmware();
354d6b21 3016 kmem_cache_destroy(srb_cachep);
1da177e4 3017 fc_release_transport(qla2xxx_transport_template);
2c3dfe3f 3018 fc_release_transport(qla2xxx_transport_vport_template);
1da177e4
LT		 3019}
3020
3021module_init(qla2x00_module_init);
3022module_exit(qla2x00_module_exit);
3023
3024MODULE_AUTHOR("QLogic Corporation");
3025MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
3026MODULE_LICENSE("GPL");
3027MODULE_VERSION(QLA2XXX_VERSION);
bb8ee499
AV		 3028MODULE_FIRMWARE(FW_FILE_ISP21XX);
3029MODULE_FIRMWARE(FW_FILE_ISP22XX);
3030MODULE_FIRMWARE(FW_FILE_ISP2300);
3031MODULE_FIRMWARE(FW_FILE_ISP2322);
3032MODULE_FIRMWARE(FW_FILE_ISP24XX);
kernel source for telekom puls (alcatel/mediatek)