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[SCSI] qla2xxx: Generalize FW-Interface-2 support.
[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,
135 .sg_tablesize = SG_ALL,
136
137 /*
138 * The RISC allows for each command to transfer (2^32-1) bytes of data,
139 * which equates to 0x800000 sectors.
140 */
141 .max_sectors = 0xFFFF,
afb046e2 142 .shost_attrs = qla2x00_host_attrs,
1da177e4
LT		 143};
144
2c3dfe3f 145struct scsi_host_template qla24xx_driver_template = {
fca29703 146 .module = THIS_MODULE,
cb63067a 147 .name = QLA2XXX_DRIVER_NAME,
fca29703
AV		 148 .queuecommand = qla24xx_queuecommand,
149
150 .eh_abort_handler = qla2xxx_eh_abort,
151 .eh_device_reset_handler = qla2xxx_eh_device_reset,
152 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
153 .eh_host_reset_handler = qla2xxx_eh_host_reset,
154
155 .slave_configure = qla2xxx_slave_configure,
156
157 .slave_alloc = qla2xxx_slave_alloc,
158 .slave_destroy = qla2xxx_slave_destroy,
ed677086
AV		 159 .scan_finished = qla2xxx_scan_finished,
160 .scan_start = qla2xxx_scan_start,
ce7e4af7
AV		 161 .change_queue_depth = qla2x00_change_queue_depth,
162 .change_queue_type = qla2x00_change_queue_type,
fca29703
AV		 163 .this_id = -1,
164 .cmd_per_lun = 3,
165 .use_clustering = ENABLE_CLUSTERING,
166 .sg_tablesize = SG_ALL,
167
168 .max_sectors = 0xFFFF,
afb046e2 169 .shost_attrs = qla2x00_host_attrs,
fca29703
AV		 170};
171
1da177e4 172static struct scsi_transport_template *qla2xxx_transport_template = NULL;
2c3dfe3f 173struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
1da177e4 174
1da177e4
LT		 175/* TODO Convert to inlines
176 *
177 * Timer routines
178 */
1da177e4 179
2c3dfe3f 180void qla2x00_timer(scsi_qla_host_t *);
1da177e4 181
2c3dfe3f 182__inline__ void qla2x00_start_timer(scsi_qla_host_t *,
1da177e4
LT		 183 void *, unsigned long);
184static __inline__ void qla2x00_restart_timer(scsi_qla_host_t *, unsigned long);
2c3dfe3f 185__inline__ void qla2x00_stop_timer(scsi_qla_host_t *);
1da177e4 186
2c3dfe3f 187__inline__ void
1da177e4
LT		 188qla2x00_start_timer(scsi_qla_host_t *ha, void *func, unsigned long interval)
189{
190 init_timer(&ha->timer);
191 ha->timer.expires = jiffies + interval * HZ;
192 ha->timer.data = (unsigned long)ha;
193 ha->timer.function = (void (*)(unsigned long))func;
194 add_timer(&ha->timer);
195 ha->timer_active = 1;
196}
197
198static inline void
199qla2x00_restart_timer(scsi_qla_host_t *ha, unsigned long interval)
200{
201 mod_timer(&ha->timer, jiffies + interval * HZ);
202}
203
2c3dfe3f 204__inline__ void
1da177e4
LT		 205qla2x00_stop_timer(scsi_qla_host_t *ha)
206{
207 del_timer_sync(&ha->timer);
208 ha->timer_active = 0;
209}
210
1da177e4
LT		 211static int qla2x00_do_dpc(void *data);
212
213static void qla2x00_rst_aen(scsi_qla_host_t *);
214
2c3dfe3f
SJ		 215uint8_t qla2x00_mem_alloc(scsi_qla_host_t *);
216void qla2x00_mem_free(scsi_qla_host_t *ha);
1da177e4
LT		 217static int qla2x00_allocate_sp_pool( scsi_qla_host_t *ha);
218static void qla2x00_free_sp_pool(scsi_qla_host_t *ha);
f4f051eb
AV		 219static void qla2x00_sp_free_dma(scsi_qla_host_t *, srb_t *);
220void qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *);
1da177e4 221
1da177e4
LT		 222/* -------------------------------------------------------------------------- */
223
1da177e4 224static char *
abbd8870 225qla2x00_pci_info_str(struct scsi_qla_host *ha, char *str)
1da177e4
LT		 226{
227 static char *pci_bus_modes[] = {
228 "33", "66", "100", "133",
229 };
230 uint16_t pci_bus;
231
232 strcpy(str, "PCI");
233 pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
234 if (pci_bus) {
235 strcat(str, "-X (");
236 strcat(str, pci_bus_modes[pci_bus]);
237 } else {
238 pci_bus = (ha->pci_attr & BIT_8) >> 8;
239 strcat(str, " (");
240 strcat(str, pci_bus_modes[pci_bus]);
241 }
242 strcat(str, " MHz)");
243
244 return (str);
245}
246
fca29703
AV		 247static char *
248qla24xx_pci_info_str(struct scsi_qla_host *ha, char *str)
249{
250 static char *pci_bus_modes[] = { "33", "66", "100", "133", };
251 uint32_t pci_bus;
252 int pcie_reg;
253
254 pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
255 if (pcie_reg) {
256 char lwstr[6];
257 uint16_t pcie_lstat, lspeed, lwidth;
258
259 pcie_reg += 0x12;
260 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
261 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
262 lwidth = (pcie_lstat &
263 (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
264
265 strcpy(str, "PCIe (");
266 if (lspeed == 1)
267 strcat(str, "2.5Gb/s ");
268 else
269 strcat(str, "<unknown> ");
270 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
271 strcat(str, lwstr);
272
273 return str;
274 }
275
276 strcpy(str, "PCI");
277 pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
278 if (pci_bus == 0 || pci_bus == 8) {
279 strcat(str, " (");
280 strcat(str, pci_bus_modes[pci_bus >> 3]);
281 } else {
282 strcat(str, "-X ");
283 if (pci_bus & BIT_2)
284 strcat(str, "Mode 2");
285 else
286 strcat(str, "Mode 1");
287 strcat(str, " (");
288 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
289 }
290 strcat(str, " MHz)");
291
292 return str;
293}
294
e5f82ab8 295static char *
abbd8870 296qla2x00_fw_version_str(struct scsi_qla_host *ha, char *str)
1da177e4
LT		 297{
298 char un_str[10];
fa2a1ce5 299
1da177e4
LT		 300 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
301 ha->fw_minor_version,
302 ha->fw_subminor_version);
303
304 if (ha->fw_attributes & BIT_9) {
305 strcat(str, "FLX");
306 return (str);
307 }
308
309 switch (ha->fw_attributes & 0xFF) {
310 case 0x7:
311 strcat(str, "EF");
312 break;
313 case 0x17:
314 strcat(str, "TP");
315 break;
316 case 0x37:
317 strcat(str, "IP");
318 break;
319 case 0x77:
320 strcat(str, "VI");
321 break;
322 default:
323 sprintf(un_str, "(%x)", ha->fw_attributes);
324 strcat(str, un_str);
325 break;
326 }
327 if (ha->fw_attributes & 0x100)
328 strcat(str, "X");
329
330 return (str);
331}
332
e5f82ab8 333static char *
fca29703
AV		 334qla24xx_fw_version_str(struct scsi_qla_host *ha, char *str)
335{
f0883ac6
AV		 336 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
337 ha->fw_minor_version,
338 ha->fw_subminor_version);
339
fca29703
AV		 340 if (ha->fw_attributes & BIT_0)
341 strcat(str, "[Class 2] ");
342 if (ha->fw_attributes & BIT_1)
343 strcat(str, "[IP] ");
344 if (ha->fw_attributes & BIT_2)
345 strcat(str, "[Multi-ID] ");
346 if (ha->fw_attributes & BIT_13)
347 strcat(str, "[Experimental]");
348 return str;
fca29703
AV		 349}
350
351static inline srb_t *
352qla2x00_get_new_sp(scsi_qla_host_t *ha, fc_port_t *fcport,
353 struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
354{
355 srb_t *sp;
356
357 sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
358 if (!sp)
359 return sp;
360
fca29703
AV		 361 sp->ha = ha;
362 sp->fcport = fcport;
363 sp->cmd = cmd;
364 sp->flags = 0;
365 CMD_SP(cmd) = (void *)sp;
366 cmd->scsi_done = done;
367
368 return sp;
369}
370
1da177e4 371static int
f4f051eb 372qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
1da177e4 373{
f4f051eb 374 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
bdf79621 375 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
19a7b4ae 376 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
f4f051eb
AV		 377 srb_t *sp;
378 int rval;
1da177e4 379
19a7b4ae
JSEC		 380 rval = fc_remote_port_chkready(rport);
381 if (rval) {
382 cmd->result = rval;
f4f051eb
AV		 383 goto qc_fail_command;
384 }
1da177e4 385
387f96b4
AV		 386 /* Close window on fcport/rport state-transitioning. */
387 if (!*(fc_port_t **)rport->dd_data) {
388 cmd->result = DID_IMM_RETRY << 16;
389 goto qc_fail_command;
390 }
391
f4f051eb
AV		 392 if (atomic_read(&fcport->state) != FCS_ONLINE) {
393 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
394 atomic_read(&ha->loop_state) == LOOP_DEAD) {
395 cmd->result = DID_NO_CONNECT << 16;
396 goto qc_fail_command;
397 }
398 goto qc_host_busy;
399 }
1da177e4
LT		 400
401 spin_unlock_irq(ha->host->host_lock);
402
fca29703
AV		 403 sp = qla2x00_get_new_sp(ha, fcport, cmd, done);
404 if (!sp)
f4f051eb 405 goto qc_host_busy_lock;
1da177e4 406
f4f051eb
AV		 407 rval = qla2x00_start_scsi(sp);
408 if (rval != QLA_SUCCESS)
409 goto qc_host_busy_free_sp;
1da177e4 410
f4f051eb 411 spin_lock_irq(ha->host->host_lock);
1da177e4 412
f4f051eb 413 return 0;
1da177e4 414
f4f051eb
AV		 415qc_host_busy_free_sp:
416 qla2x00_sp_free_dma(ha, sp);
f4f051eb 417 mempool_free(sp, ha->srb_mempool);
1da177e4 418
f4f051eb
AV		 419qc_host_busy_lock:
420 spin_lock_irq(ha->host->host_lock);
1da177e4 421
f4f051eb
AV		 422qc_host_busy:
423 return SCSI_MLQUEUE_HOST_BUSY;
1da177e4 424
f4f051eb
AV		 425qc_fail_command:
426 done(cmd);
1da177e4 427
f4f051eb 428 return 0;
1da177e4
LT		 429}
430
fca29703
AV		 431
432static int
433qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
434{
435 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
436 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
19a7b4ae 437 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
fca29703
AV		 438 srb_t *sp;
439 int rval;
2c3dfe3f 440 scsi_qla_host_t *pha = to_qla_parent(ha);
fca29703 441
19a7b4ae
JSEC		 442 rval = fc_remote_port_chkready(rport);
443 if (rval) {
444 cmd->result = rval;
fca29703
AV		 445 goto qc24_fail_command;
446 }
447
387f96b4
AV		 448 /* Close window on fcport/rport state-transitioning. */
449 if (!*(fc_port_t **)rport->dd_data) {
450 cmd->result = DID_IMM_RETRY << 16;
451 goto qc24_fail_command;
452 }
453
fca29703
AV		 454 if (atomic_read(&fcport->state) != FCS_ONLINE) {
455 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
2c3dfe3f 456 atomic_read(&pha->loop_state) == LOOP_DEAD) {
fca29703
AV		 457 cmd->result = DID_NO_CONNECT << 16;
458 goto qc24_fail_command;
459 }
460 goto qc24_host_busy;
461 }
462
463 spin_unlock_irq(ha->host->host_lock);
464
2c3dfe3f 465 sp = qla2x00_get_new_sp(pha, fcport, cmd, done);
fca29703
AV		 466 if (!sp)
467 goto qc24_host_busy_lock;
468
469 rval = qla24xx_start_scsi(sp);
470 if (rval != QLA_SUCCESS)
471 goto qc24_host_busy_free_sp;
472
473 spin_lock_irq(ha->host->host_lock);
474
475 return 0;
476
477qc24_host_busy_free_sp:
2c3dfe3f
SJ		 478 qla2x00_sp_free_dma(pha, sp);
479 mempool_free(sp, pha->srb_mempool);
fca29703
AV		 480
481qc24_host_busy_lock:
482 spin_lock_irq(ha->host->host_lock);
483
484qc24_host_busy:
485 return SCSI_MLQUEUE_HOST_BUSY;
486
487qc24_fail_command:
488 done(cmd);
489
490 return 0;
491}
492
493
1da177e4
LT		 494/*
495 * qla2x00_eh_wait_on_command
496 * Waits for the command to be returned by the Firmware for some
497 * max time.
498 *
499 * Input:
500 * ha = actual ha whose done queue will contain the command
501 * returned by firmware.
502 * cmd = Scsi Command to wait on.
503 * flag = Abort/Reset(Bus or Device Reset)
504 *
505 * Return:
506 * Not Found : 0
507 * Found : 1
508 */
509static int
510qla2x00_eh_wait_on_command(scsi_qla_host_t *ha, struct scsi_cmnd *cmd)
511{
fe74c71f
AV		 512#define ABORT_POLLING_PERIOD 1000
513#define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
f4f051eb
AV		 514 unsigned long wait_iter = ABORT_WAIT_ITER;
515 int ret = QLA_SUCCESS;
1da177e4 516
f4f051eb 517 while (CMD_SP(cmd)) {
fe74c71f 518 msleep(ABORT_POLLING_PERIOD);
1da177e4 519
f4f051eb
AV		 520 if (--wait_iter)
521 break;
522 }
523 if (CMD_SP(cmd))
524 ret = QLA_FUNCTION_FAILED;
1da177e4 525
f4f051eb 526 return ret;
1da177e4
LT		 527}
528
529/*
530 * qla2x00_wait_for_hba_online
fa2a1ce5 531 * Wait till the HBA is online after going through
1da177e4
LT		 532 * <= MAX_RETRIES_OF_ISP_ABORT or
533 * finally HBA is disabled ie marked offline
534 *
535 * Input:
536 * ha - pointer to host adapter structure
fa2a1ce5
AV		 537 *
538 * Note:
1da177e4
LT		 539 * Does context switching-Release SPIN_LOCK
540 * (if any) before calling this routine.
541 *
542 * Return:
543 * Success (Adapter is online) : 0
544 * Failed (Adapter is offline/disabled) : 1
545 */
854165f4 546int
1da177e4
LT		 547qla2x00_wait_for_hba_online(scsi_qla_host_t *ha)
548{
fca29703
AV		 549 int return_status;
550 unsigned long wait_online;
2c3dfe3f 551 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4 552
fa2a1ce5 553 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
2c3dfe3f
SJ		 554 while (((test_bit(ISP_ABORT_NEEDED, &pha->dpc_flags)) ||
555 test_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags) ||
556 test_bit(ISP_ABORT_RETRY, &pha->dpc_flags) ||
557 pha->dpc_active) && time_before(jiffies, wait_online)) {
1da177e4
LT		 558
559 msleep(1000);
560 }
2c3dfe3f 561 if (pha->flags.online)
fa2a1ce5 562 return_status = QLA_SUCCESS;
1da177e4
LT		 563 else
564 return_status = QLA_FUNCTION_FAILED;
565
566 DEBUG2(printk("%s return_status=%d\n",__func__,return_status));
567
568 return (return_status);
569}
570
571/*
572 * qla2x00_wait_for_loop_ready
573 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
fa2a1ce5 574 * to be in LOOP_READY state.
1da177e4
LT		 575 * Input:
576 * ha - pointer to host adapter structure
fa2a1ce5
AV		 577 *
578 * Note:
1da177e4
LT		 579 * Does context switching-Release SPIN_LOCK
580 * (if any) before calling this routine.
fa2a1ce5 581 *
1da177e4
LT		 582 *
583 * Return:
584 * Success (LOOP_READY) : 0
585 * Failed (LOOP_NOT_READY) : 1
586 */
fa2a1ce5 587static inline int
1da177e4
LT		 588qla2x00_wait_for_loop_ready(scsi_qla_host_t *ha)
589{
590 int return_status = QLA_SUCCESS;
591 unsigned long loop_timeout ;
2c3dfe3f 592 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4
LT		 593
594 /* wait for 5 min at the max for loop to be ready */
fa2a1ce5 595 loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1da177e4 596
2c3dfe3f
SJ		 597 while ((!atomic_read(&pha->loop_down_timer) &&
598 atomic_read(&pha->loop_state) == LOOP_DOWN) ||
599 atomic_read(&pha->loop_state) != LOOP_READY) {
600 if (atomic_read(&pha->loop_state) == LOOP_DEAD) {
57680080
RA		 601 return_status = QLA_FUNCTION_FAILED;
602 break;
603 }
1da177e4
LT		 604 msleep(1000);
605 if (time_after_eq(jiffies, loop_timeout)) {
606 return_status = QLA_FUNCTION_FAILED;
607 break;
608 }
609 }
fa2a1ce5 610 return (return_status);
1da177e4
LT		 611}
612
07db5183
AV		 613static void
614qla2x00_block_error_handler(struct scsi_cmnd *cmnd)
615{
616 struct Scsi_Host *shost = cmnd->device->host;
617 struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device));
618 unsigned long flags;
619
620 spin_lock_irqsave(shost->host_lock, flags);
621 while (rport->port_state == FC_PORTSTATE_BLOCKED) {
622 spin_unlock_irqrestore(shost->host_lock, flags);
623 msleep(1000);
624 spin_lock_irqsave(shost->host_lock, flags);
625 }
626 spin_unlock_irqrestore(shost->host_lock, flags);
627 return;
628}
629
1da177e4
LT		 630/**************************************************************************
631* qla2xxx_eh_abort
632*
633* Description:
634* The abort function will abort the specified command.
635*
636* Input:
637* cmd = Linux SCSI command packet to be aborted.
638*
639* Returns:
640* Either SUCCESS or FAILED.
641*
642* Note:
2ea00202 643* Only return FAILED if command not returned by firmware.
1da177e4 644**************************************************************************/
e5f82ab8 645static int
1da177e4
LT		 646qla2xxx_eh_abort(struct scsi_cmnd *cmd)
647{
f4f051eb
AV		 648 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
649 srb_t *sp;
650 int ret, i;
651 unsigned int id, lun;
652 unsigned long serial;
18e144d3 653 unsigned long flags;
2ea00202 654 int wait = 0;
2c3dfe3f 655 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4 656
07db5183
AV		 657 qla2x00_block_error_handler(cmd);
658
f4f051eb 659 if (!CMD_SP(cmd))
2ea00202 660 return SUCCESS;
1da177e4 661
2ea00202 662 ret = SUCCESS;
1da177e4 663
f4f051eb
AV		 664 id = cmd->device->id;
665 lun = cmd->device->lun;
666 serial = cmd->serial_number;
1da177e4 667
f4f051eb 668 /* Check active list for command command. */
2c3dfe3f 669 spin_lock_irqsave(&pha->hardware_lock, flags);
f4f051eb 670 for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
2c3dfe3f 671 sp = pha->outstanding_cmds[i];
1da177e4 672
f4f051eb
AV		 673 if (sp == NULL)
674 continue;
1da177e4 675
f4f051eb
AV		 676 if (sp->cmd != cmd)
677 continue;
1da177e4 678
75bc4190
AV		 679 DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld.\n",
680 __func__, ha->host_no, sp, serial));
744f11fd 681 DEBUG3(qla2x00_print_scsi_cmd(cmd));
1da177e4 682
2c3dfe3f 683 spin_unlock_irqrestore(&pha->hardware_lock, flags);
abbd8870 684 if (ha->isp_ops.abort_command(ha, sp)) {
f4f051eb
AV		 685 DEBUG2(printk("%s(%ld): abort_command "
686 "mbx failed.\n", __func__, ha->host_no));
687 } else {
688 DEBUG3(printk("%s(%ld): abort_command "
689 "mbx success.\n", __func__, ha->host_no));
2ea00202 690 wait = 1;
f4f051eb 691 }
2c3dfe3f 692 spin_lock_irqsave(&pha->hardware_lock, flags);
1da177e4 693
f4f051eb
AV		 694 break;
695 }
2c3dfe3f 696 spin_unlock_irqrestore(&pha->hardware_lock, flags);
1da177e4 697
f4f051eb 698 /* Wait for the command to be returned. */
2ea00202 699 if (wait) {
f4f051eb 700 if (qla2x00_eh_wait_on_command(ha, cmd) != QLA_SUCCESS) {
fa2a1ce5 701 qla_printk(KERN_ERR, ha,
f4f051eb
AV		 702 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
703 "%x.\n", ha->host_no, id, lun, serial, ret);
2ea00202 704 ret = FAILED;
f4f051eb 705 }
1da177e4 706 }
1da177e4 707
fa2a1ce5 708 qla_printk(KERN_INFO, ha,
2ea00202
MR		 709 "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
710 ha->host_no, id, lun, wait, serial, ret);
1da177e4 711
f4f051eb
AV		 712 return ret;
713}
1da177e4 714
f4f051eb
AV		 715/**************************************************************************
716* qla2x00_eh_wait_for_pending_target_commands
717*
718* Description:
719* Waits for all the commands to come back from the specified target.
720*
721* Input:
722* ha - pointer to scsi_qla_host structure.
fa2a1ce5 723* t - target
f4f051eb
AV		 724* Returns:
725* Either SUCCESS or FAILED.
726*
727* Note:
728**************************************************************************/
729static int
730qla2x00_eh_wait_for_pending_target_commands(scsi_qla_host_t *ha, unsigned int t)
731{
732 int cnt;
733 int status;
734 srb_t *sp;
735 struct scsi_cmnd *cmd;
18e144d3 736 unsigned long flags;
2c3dfe3f 737 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4 738
f4f051eb 739 status = 0;
1da177e4
LT		 740
741 /*
f4f051eb
AV		 742 * Waiting for all commands for the designated target in the active
743 * array
1da177e4
LT		 744 */
745 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
2c3dfe3f
SJ		 746 spin_lock_irqsave(&pha->hardware_lock, flags);
747 sp = pha->outstanding_cmds[cnt];
1da177e4
LT		 748 if (sp) {
749 cmd = sp->cmd;
2c3dfe3f
SJ		 750 spin_unlock_irqrestore(&pha->hardware_lock, flags);
751 if (cmd->device->id == t &&
752 ha->vp_idx == sp->ha->vp_idx) {
1da177e4
LT		 753 if (!qla2x00_eh_wait_on_command(ha, cmd)) {
754 status = 1;
755 break;
756 }
757 }
f4f051eb 758 } else {
2c3dfe3f 759 spin_unlock_irqrestore(&pha->hardware_lock, flags);
1da177e4
LT		 760 }
761 }
762 return (status);
763}
764
765
766/**************************************************************************
767* qla2xxx_eh_device_reset
768*
769* Description:
770* The device reset function will reset the target and abort any
771* executing commands.
772*
773* NOTE: The use of SP is undefined within this context. Do *NOT*
fa2a1ce5 774* attempt to use this value, even if you determine it is
1da177e4
LT		 775* non-null.
776*
777* Input:
778* cmd = Linux SCSI command packet of the command that cause the
779* bus device reset.
780*
781* Returns:
782* SUCCESS/FAILURE (defined as macro in scsi.h).
783*
784**************************************************************************/
e5f82ab8 785static int
1da177e4
LT		 786qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
787{
f4f051eb 788 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
bdf79621 789 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
2c3dfe3f 790 int ret = FAILED;
f4f051eb
AV		 791 unsigned int id, lun;
792 unsigned long serial;
1da177e4 793
07db5183
AV		 794 qla2x00_block_error_handler(cmd);
795
f4f051eb
AV		 796 id = cmd->device->id;
797 lun = cmd->device->lun;
798 serial = cmd->serial_number;
1da177e4 799
b0328bee 800 if (!fcport)
f4f051eb 801 return ret;
1da177e4
LT		 802
803 qla_printk(KERN_INFO, ha,
f4f051eb 804 "scsi(%ld:%d:%d): DEVICE RESET ISSUED.\n", ha->host_no, id, lun);
1da177e4 805
94d0e7b8 806 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
1da177e4 807 goto eh_dev_reset_done;
1da177e4
LT		 808
809 if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
f4f051eb
AV		 810 if (qla2x00_device_reset(ha, fcport) == 0)
811 ret = SUCCESS;
1da177e4
LT		 812
813#if defined(LOGOUT_AFTER_DEVICE_RESET)
f4f051eb
AV		 814 if (ret == SUCCESS) {
815 if (fcport->flags & FC_FABRIC_DEVICE) {
abbd8870 816 ha->isp_ops.fabric_logout(ha, fcport->loop_id);
d97994dc 817 qla2x00_mark_device_lost(ha, fcport, 0, 0);
1da177e4
LT		 818 }
819 }
820#endif
821 } else {
822 DEBUG2(printk(KERN_INFO
744f11fd 823 "%s failed: loop not ready\n",__func__));
1da177e4
LT		 824 }
825
f4f051eb 826 if (ret == FAILED) {
1da177e4
LT		 827 DEBUG3(printk("%s(%ld): device reset failed\n",
828 __func__, ha->host_no));
829 qla_printk(KERN_INFO, ha, "%s: device reset failed\n",
830 __func__);
831
832 goto eh_dev_reset_done;
833 }
834
9a41a62b
AV		 835 /* Flush outstanding commands. */
836 if (qla2x00_eh_wait_for_pending_target_commands(ha, id))
837 ret = FAILED;
838 if (ret == FAILED) {
839 DEBUG3(printk("%s(%ld): failed while waiting for commands\n",
840 __func__, ha->host_no));
841 qla_printk(KERN_INFO, ha,
842 "%s: failed while waiting for commands\n", __func__);
843 } else
844 qla_printk(KERN_INFO, ha,
845 "scsi(%ld:%d:%d): DEVICE RESET SUCCEEDED.\n", ha->host_no,
846 id, lun);
28f22b03 847 eh_dev_reset_done:
f4f051eb 848 return ret;
1da177e4
LT		 849}
850
851/**************************************************************************
852* qla2x00_eh_wait_for_pending_commands
853*
854* Description:
855* Waits for all the commands to come back from the specified host.
856*
857* Input:
858* ha - pointer to scsi_qla_host structure.
859*
860* Returns:
861* 1 : SUCCESS
862* 0 : FAILED
863*
864* Note:
865**************************************************************************/
866static int
867qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha)
868{
869 int cnt;
870 int status;
871 srb_t *sp;
872 struct scsi_cmnd *cmd;
18e144d3 873 unsigned long flags;
1da177e4
LT		 874
875 status = 1;
876
877 /*
878 * Waiting for all commands for the designated target in the active
879 * array
880 */
881 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
18e144d3 882 spin_lock_irqsave(&ha->hardware_lock, flags);
1da177e4
LT		 883 sp = ha->outstanding_cmds[cnt];
884 if (sp) {
885 cmd = sp->cmd;
18e144d3 886 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1da177e4
LT		 887 status = qla2x00_eh_wait_on_command(ha, cmd);
888 if (status == 0)
889 break;
890 }
891 else {
18e144d3 892 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1da177e4
LT		 893 }
894 }
895 return (status);
896}
897
898
899/**************************************************************************
900* qla2xxx_eh_bus_reset
901*
902* Description:
903* The bus reset function will reset the bus and abort any executing
904* commands.
905*
906* Input:
907* cmd = Linux SCSI command packet of the command that cause the
908* bus reset.
909*
910* Returns:
911* SUCCESS/FAILURE (defined as macro in scsi.h).
912*
913**************************************************************************/
e5f82ab8 914static int
1da177e4
LT		 915qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
916{
f4f051eb 917 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
2c3dfe3f 918 scsi_qla_host_t *pha = to_qla_parent(ha);
bdf79621 919 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
2c3dfe3f 920 int ret = FAILED;
f4f051eb
AV		 921 unsigned int id, lun;
922 unsigned long serial;
923
07db5183
AV		 924 qla2x00_block_error_handler(cmd);
925
f4f051eb
AV		 926 id = cmd->device->id;
927 lun = cmd->device->lun;
928 serial = cmd->serial_number;
1da177e4 929
b0328bee 930 if (!fcport)
f4f051eb 931 return ret;
1da177e4
LT		 932
933 qla_printk(KERN_INFO, ha,
f4f051eb 934 "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha->host_no, id, lun);
1da177e4 935
1da177e4
LT		 936 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) {
937 DEBUG2(printk("%s failed:board disabled\n",__func__));
f4f051eb 938 goto eh_bus_reset_done;
1da177e4
LT		 939 }
940
941 if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
f4f051eb
AV		 942 if (qla2x00_loop_reset(ha) == QLA_SUCCESS)
943 ret = SUCCESS;
1da177e4 944 }
f4f051eb
AV		 945 if (ret == FAILED)
946 goto eh_bus_reset_done;
1da177e4 947
9a41a62b 948 /* Flush outstanding commands. */
2c3dfe3f 949 if (!qla2x00_eh_wait_for_pending_commands(pha))
9a41a62b 950 ret = FAILED;
1da177e4 951
f4f051eb 952eh_bus_reset_done:
1da177e4 953 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
f4f051eb 954 (ret == FAILED) ? "failed" : "succeded");
1da177e4 955
f4f051eb 956 return ret;
1da177e4
LT		 957}
958
959/**************************************************************************
960* qla2xxx_eh_host_reset
961*
962* Description:
963* The reset function will reset the Adapter.
964*
965* Input:
966* cmd = Linux SCSI command packet of the command that cause the
967* adapter reset.
968*
969* Returns:
970* Either SUCCESS or FAILED.
971*
972* Note:
973**************************************************************************/
e5f82ab8 974static int
1da177e4
LT		 975qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
976{
f4f051eb 977 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
bdf79621 978 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
2c3dfe3f 979 int ret = FAILED;
f4f051eb
AV		 980 unsigned int id, lun;
981 unsigned long serial;
2c3dfe3f 982 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4 983
07db5183
AV		 984 qla2x00_block_error_handler(cmd);
985
f4f051eb
AV		 986 id = cmd->device->id;
987 lun = cmd->device->lun;
988 serial = cmd->serial_number;
989
b0328bee 990 if (!fcport)
f4f051eb 991 return ret;
1da177e4 992
1da177e4 993 qla_printk(KERN_INFO, ha,
f4f051eb 994 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha->host_no, id, lun);
1da177e4 995
1da177e4 996 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
f4f051eb 997 goto eh_host_reset_lock;
1da177e4
LT		 998
999 /*
1000 * Fixme-may be dpc thread is active and processing
fa2a1ce5 1001 * loop_resync,so wait a while for it to
1da177e4
LT		 1002 * be completed and then issue big hammer.Otherwise
1003 * it may cause I/O failure as big hammer marks the
1004 * devices as lost kicking of the port_down_timer
1005 * while dpc is stuck for the mailbox to complete.
1006 */
1da177e4 1007 qla2x00_wait_for_loop_ready(ha);
2c3dfe3f
SJ		 1008 set_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
1009 if (qla2x00_abort_isp(pha)) {
1010 clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
1da177e4 1011 /* failed. schedule dpc to try */
2c3dfe3f 1012 set_bit(ISP_ABORT_NEEDED, &pha->dpc_flags);
1da177e4
LT		 1013
1014 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
f4f051eb 1015 goto eh_host_reset_lock;
fa2a1ce5 1016 }
2c3dfe3f 1017 clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
1da177e4 1018
1da177e4 1019 /* Waiting for our command in done_queue to be returned to OS.*/
2c3dfe3f 1020 if (qla2x00_eh_wait_for_pending_commands(pha))
f4f051eb 1021 ret = SUCCESS;
1da177e4 1022
2c3dfe3f
SJ		 1023 if (ha->parent)
1024 qla2x00_vp_abort_isp(ha);
1025
f4f051eb 1026eh_host_reset_lock:
f4f051eb
AV		 1027 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1028 (ret == FAILED) ? "failed" : "succeded");
1da177e4 1029
f4f051eb
AV		 1030 return ret;
1031}
1da177e4
LT		 1032
1033/*
1034* qla2x00_loop_reset
1035* Issue loop reset.
1036*
1037* Input:
1038* ha = adapter block pointer.
1039*
1040* Returns:
1041* 0 = success
1042*/
1043static int
1044qla2x00_loop_reset(scsi_qla_host_t *ha)
1045{
0c8c39af 1046 int ret;
bdf79621 1047 struct fc_port *fcport;
1da177e4 1048
0c8c39af
AV		 1049 if (ha->flags.enable_lip_full_login) {
1050 ret = qla2x00_full_login_lip(ha);
1051 if (ret != QLA_SUCCESS) {
1052 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1053 "full_login_lip=%d.\n", __func__, ha->host_no,
1054 ret));
1055 }
1056 atomic_set(&ha->loop_state, LOOP_DOWN);
1057 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
1058 qla2x00_mark_all_devices_lost(ha, 0);
1059 qla2x00_wait_for_loop_ready(ha);
1060 }
1061
1da177e4 1062 if (ha->flags.enable_lip_reset) {
0c8c39af
AV		 1063 ret = qla2x00_lip_reset(ha);
1064 if (ret != QLA_SUCCESS) {
1065 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1066 "lip_reset=%d.\n", __func__, ha->host_no, ret));
1067 }
1068 qla2x00_wait_for_loop_ready(ha);
1da177e4
LT		 1069 }
1070
0c8c39af 1071 if (ha->flags.enable_target_reset) {
bdf79621
AV		 1072 list_for_each_entry(fcport, &ha->fcports, list) {
1073 if (fcport->port_type != FCT_TARGET)
1da177e4
LT		 1074 continue;
1075
0c8c39af
AV		 1076 ret = qla2x00_device_reset(ha, fcport);
1077 if (ret != QLA_SUCCESS) {
1078 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1079 "target_reset=%d d_id=%x.\n", __func__,
1080 ha->host_no, ret, fcport->d_id.b24));
1081 }
1da177e4
LT		 1082 }
1083 }
1084
1da177e4
LT		 1085 /* Issue marker command only when we are going to start the I/O */
1086 ha->marker_needed = 1;
1087
0c8c39af 1088 return QLA_SUCCESS;
1da177e4
LT		 1089}
1090
1091/*
1092 * qla2x00_device_reset
1093 * Issue bus device reset message to the target.
1094 *
1095 * Input:
1096 * ha = adapter block pointer.
1097 * t = SCSI ID.
1098 * TARGET_QUEUE_LOCK must be released.
1099 * ADAPTER_STATE_LOCK must be released.
1100 *
1101 * Context:
1102 * Kernel context.
1103 */
1104static int
1105qla2x00_device_reset(scsi_qla_host_t *ha, fc_port_t *reset_fcport)
1106{
1107 /* Abort Target command will clear Reservation */
abbd8870 1108 return ha->isp_ops.abort_target(reset_fcport);
1da177e4
LT		 1109}
1110
f4f051eb
AV		 1111static int
1112qla2xxx_slave_alloc(struct scsi_device *sdev)
1da177e4 1113{
bdf79621 1114 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1da177e4 1115
19a7b4ae 1116 if (!rport || fc_remote_port_chkready(rport))
f4f051eb 1117 return -ENXIO;
bdf79621 1118
19a7b4ae 1119 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1da177e4 1120
f4f051eb
AV		 1121 return 0;
1122}
1da177e4 1123
f4f051eb
AV		 1124static int
1125qla2xxx_slave_configure(struct scsi_device *sdev)
1126{
8482e118
AV		 1127 scsi_qla_host_t *ha = to_qla_host(sdev->host);
1128 struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1129
f4f051eb 1130 if (sdev->tagged_supported)
df7baa50 1131 scsi_activate_tcq(sdev, ha->max_q_depth);
f4f051eb 1132 else
df7baa50 1133 scsi_deactivate_tcq(sdev, ha->max_q_depth);
1da177e4 1134
8482e118
AV		 1135 rport->dev_loss_tmo = ha->port_down_retry_count + 5;
1136
f4f051eb
AV		 1137 return 0;
1138}
1da177e4 1139
f4f051eb
AV		 1140static void
1141qla2xxx_slave_destroy(struct scsi_device *sdev)
1142{
1143 sdev->hostdata = NULL;
1da177e4
LT		 1144}
1145
ce7e4af7
AV		 1146static int
1147qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
1148{
1149 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1150 return sdev->queue_depth;
1151}
1152
1153static int
1154qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1155{
1156 if (sdev->tagged_supported) {
1157 scsi_set_tag_type(sdev, tag_type);
1158 if (tag_type)
1159 scsi_activate_tcq(sdev, sdev->queue_depth);
1160 else
1161 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1162 } else
1163 tag_type = 0;
1164
1165 return tag_type;
1166}
1167
1da177e4
LT		 1168/**
1169 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1170 * @ha: HA context
1171 *
1172 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1173 * supported addressing method.
1174 */
1175static void
1176qla2x00_config_dma_addressing(scsi_qla_host_t *ha)
1177{
7524f9b9 1178 /* Assume a 32bit DMA mask. */
1da177e4 1179 ha->flags.enable_64bit_addressing = 0;
1da177e4 1180
7524f9b9
AV		 1181 if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) {
1182 /* Any upper-dword bits set? */
1183 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1184 !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) {
1185 /* Ok, a 64bit DMA mask is applicable. */
1da177e4 1186 ha->flags.enable_64bit_addressing = 1;
abbd8870
AV		 1187 ha->isp_ops.calc_req_entries = qla2x00_calc_iocbs_64;
1188 ha->isp_ops.build_iocbs = qla2x00_build_scsi_iocbs_64;
7524f9b9 1189 return;
1da177e4 1190 }
1da177e4 1191 }
7524f9b9
AV		 1192
1193 dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK);
1194 pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK);
1da177e4
LT		 1195}
1196
ea5b6382
AV		 1197static inline void
1198qla2x00_set_isp_flags(scsi_qla_host_t *ha)
1199{
1200 ha->device_type = DT_EXTENDED_IDS;
1201 switch (ha->pdev->device) {
1202 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1203 ha->device_type |= DT_ISP2100;
1204 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1205 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382
AV		 1206 break;
1207 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1208 ha->device_type |= DT_ISP2200;
1209 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1210 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382
AV		 1211 break;
1212 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1213 ha->device_type |= DT_ISP2300;
4a59f71d 1214 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1215 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1216 break;
1217 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1218 ha->device_type |= DT_ISP2312;
4a59f71d 1219 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1220 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1221 break;
1222 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1223 ha->device_type |= DT_ISP2322;
4a59f71d 1224 ha->device_type |= DT_ZIO_SUPPORTED;
ea5b6382
AV		 1225 if (ha->pdev->subsystem_vendor == 0x1028 &&
1226 ha->pdev->subsystem_device == 0x0170)
1227 ha->device_type |= DT_OEM_001;
441d1072 1228 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1229 break;
1230 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1231 ha->device_type |= DT_ISP6312;
441d1072 1232 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1233 break;
1234 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1235 ha->device_type |= DT_ISP6322;
441d1072 1236 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382
AV		 1237 break;
1238 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1239 ha->device_type |= DT_ISP2422;
4a59f71d 1240 ha->device_type |= DT_ZIO_SUPPORTED;
e428924c 1241 ha->device_type |= DT_FWI2;
441d1072 1242 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382
AV		 1243 break;
1244 case PCI_DEVICE_ID_QLOGIC_ISP2432:
1245 ha->device_type |= DT_ISP2432;
4a59f71d 1246 ha->device_type |= DT_ZIO_SUPPORTED;
e428924c 1247 ha->device_type |= DT_FWI2;
441d1072 1248 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1249 break;
044cc6c8
AV		 1250 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1251 ha->device_type |= DT_ISP5422;
e428924c 1252 ha->device_type |= DT_FWI2;
441d1072 1253 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1254 break;
044cc6c8
AV		 1255 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1256 ha->device_type |= DT_ISP5432;
e428924c 1257 ha->device_type |= DT_FWI2;
441d1072 1258 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382
AV		 1259 break;
1260 }
1261}
1262
1da177e4
LT		 1263static int
1264qla2x00_iospace_config(scsi_qla_host_t *ha)
1265{
1266 unsigned long pio, pio_len, pio_flags;
1267 unsigned long mmio, mmio_len, mmio_flags;
1268
1269 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1270 pio = pci_resource_start(ha->pdev, 0);
1271 pio_len = pci_resource_len(ha->pdev, 0);
1272 pio_flags = pci_resource_flags(ha->pdev, 0);
1273 if (pio_flags & IORESOURCE_IO) {
1274 if (pio_len < MIN_IOBASE_LEN) {
1275 qla_printk(KERN_WARNING, ha,
1276 "Invalid PCI I/O region size (%s)...\n",
1277 pci_name(ha->pdev));
1278 pio = 0;
1279 }
1280 } else {
1281 qla_printk(KERN_WARNING, ha,
1282 "region #0 not a PIO resource (%s)...\n",
1283 pci_name(ha->pdev));
1284 pio = 0;
1285 }
1286
1287 /* Use MMIO operations for all accesses. */
1288 mmio = pci_resource_start(ha->pdev, 1);
1289 mmio_len = pci_resource_len(ha->pdev, 1);
1290 mmio_flags = pci_resource_flags(ha->pdev, 1);
1291
1292 if (!(mmio_flags & IORESOURCE_MEM)) {
1293 qla_printk(KERN_ERR, ha,
1294 "region #0 not an MMIO resource (%s), aborting\n",
1295 pci_name(ha->pdev));
1296 goto iospace_error_exit;
1297 }
1298 if (mmio_len < MIN_IOBASE_LEN) {
1299 qla_printk(KERN_ERR, ha,
1300 "Invalid PCI mem region size (%s), aborting\n",
1301 pci_name(ha->pdev));
1302 goto iospace_error_exit;
1303 }
1304
cb63067a 1305 if (pci_request_regions(ha->pdev, QLA2XXX_DRIVER_NAME)) {
1da177e4
LT		 1306 qla_printk(KERN_WARNING, ha,
1307 "Failed to reserve PIO/MMIO regions (%s)\n",
1308 pci_name(ha->pdev));
1309
1310 goto iospace_error_exit;
1311 }
1312
1313 ha->pio_address = pio;
1314 ha->pio_length = pio_len;
1315 ha->iobase = ioremap(mmio, MIN_IOBASE_LEN);
1316 if (!ha->iobase) {
1317 qla_printk(KERN_ERR, ha,
1318 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1319
1320 goto iospace_error_exit;
1321 }
1322
1323 return (0);
1324
1325iospace_error_exit:
1326 return (-ENOMEM);
1327}
1328
abbd8870
AV		 1329static void
1330qla2x00_enable_intrs(scsi_qla_host_t *ha)
1331{
1332 unsigned long flags = 0;
3d71644c 1333 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
abbd8870
AV		 1334
1335 spin_lock_irqsave(&ha->hardware_lock, flags);
1336 ha->interrupts_on = 1;
1337 /* enable risc and host interrupts */
1338 WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1339 RD_REG_WORD(&reg->ictrl);
1340 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1341
1342}
1343
1344static void
1345qla2x00_disable_intrs(scsi_qla_host_t *ha)
1346{
1347 unsigned long flags = 0;
3d71644c 1348 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
abbd8870
AV		 1349
1350 spin_lock_irqsave(&ha->hardware_lock, flags);
1351 ha->interrupts_on = 0;
1352 /* disable risc and host interrupts */
1353 WRT_REG_WORD(&reg->ictrl, 0);
1354 RD_REG_WORD(&reg->ictrl);
1355 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1356}
1357
fca29703
AV		 1358static void
1359qla24xx_enable_intrs(scsi_qla_host_t *ha)
1360{
1361 unsigned long flags = 0;
1362 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1363
1364 spin_lock_irqsave(&ha->hardware_lock, flags);
1365 ha->interrupts_on = 1;
1366 WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1367 RD_REG_DWORD(&reg->ictrl);
1368 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1369}
1370
1371static void
1372qla24xx_disable_intrs(scsi_qla_host_t *ha)
1373{
1374 unsigned long flags = 0;
1375 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1376
1377 spin_lock_irqsave(&ha->hardware_lock, flags);
1378 ha->interrupts_on = 0;
1379 WRT_REG_DWORD(&reg->ictrl, 0);
1380 RD_REG_DWORD(&reg->ictrl);
1381 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1382}
1383
1e99e33a
AV		 1384static void
1385qla2xxx_scan_start(struct Scsi_Host *shost)
1386{
1387 scsi_qla_host_t *ha = (scsi_qla_host_t *)shost->hostdata;
1388
1389 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
1390 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1391 set_bit(RSCN_UPDATE, &ha->dpc_flags);
1392}
1393
1394static int
1395qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1396{
1397 scsi_qla_host_t *ha = (scsi_qla_host_t *)shost->hostdata;
1398
1399 if (!ha->host)
1400 return 1;
1401 if (time > ha->loop_reset_delay * HZ)
1402 return 1;
1403
1404 return atomic_read(&ha->loop_state) == LOOP_READY;
1405}
1406
1da177e4
LT		 1407/*
1408 * PCI driver interface
1409 */
7ee61397
AV		 1410static int __devinit
1411qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1da177e4 1412{
a1541d5a 1413 int ret = -ENODEV;
fca29703 1414 device_reg_t __iomem *reg;
1da177e4
LT		 1415 struct Scsi_Host *host;
1416 scsi_qla_host_t *ha;
1417 unsigned long flags = 0;
1da177e4
LT		 1418 char pci_info[20];
1419 char fw_str[30];
5433383e 1420 struct scsi_host_template *sht;
1da177e4
LT		 1421
1422 if (pci_enable_device(pdev))
a1541d5a 1423 goto probe_out;
1da177e4 1424
5433383e
AV		 1425 sht = &qla2x00_driver_template;
1426 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
8bc69e7d
AV		 1427 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
1428 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
1429 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432)
5433383e
AV		 1430 sht = &qla24xx_driver_template;
1431 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
1da177e4
LT		 1432 if (host == NULL) {
1433 printk(KERN_WARNING
1434 "qla2xxx: Couldn't allocate host from scsi layer!\n");
1435 goto probe_disable_device;
1436 }
1437
1438 /* Clear our data area */
1439 ha = (scsi_qla_host_t *)host->hostdata;
1440 memset(ha, 0, sizeof(scsi_qla_host_t));
1441
1442 ha->pdev = pdev;
1443 ha->host = host;
1444 ha->host_no = host->host_no;
cb63067a 1445 sprintf(ha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, ha->host_no);
2c3dfe3f 1446 ha->parent = NULL;
1da177e4 1447
ea5b6382
AV		 1448 /* Set ISP-type information. */
1449 qla2x00_set_isp_flags(ha);
1450
1da177e4
LT		 1451 /* Configure PCI I/O space */
1452 ret = qla2x00_iospace_config(ha);
a1541d5a
AV		 1453 if (ret)
1454 goto probe_failed;
1da177e4 1455
1da177e4 1456 qla_printk(KERN_INFO, ha,
5433383e
AV		 1457 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1458 ha->iobase);
1da177e4
LT		 1459
1460 spin_lock_init(&ha->hardware_lock);
1461
1da177e4 1462 ha->prev_topology = 0;
fca29703 1463 ha->init_cb_size = sizeof(init_cb_t);
2c3dfe3f 1464 ha->mgmt_svr_loop_id = MANAGEMENT_SERVER + ha->vp_idx;
d8b45213 1465 ha->link_data_rate = PORT_SPEED_UNKNOWN;
854165f4 1466 ha->optrom_size = OPTROM_SIZE_2300;
1da177e4 1467
df7baa50
AV		 1468 ha->max_q_depth = MAX_Q_DEPTH;
1469 if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
1470 ha->max_q_depth = ql2xmaxqdepth;
1471
abbd8870
AV		 1472 /* Assign ISP specific operations. */
1473 ha->isp_ops.pci_config = qla2100_pci_config;
1474 ha->isp_ops.reset_chip = qla2x00_reset_chip;
1475 ha->isp_ops.chip_diag = qla2x00_chip_diag;
1476 ha->isp_ops.config_rings = qla2x00_config_rings;
1477 ha->isp_ops.reset_adapter = qla2x00_reset_adapter;
1478 ha->isp_ops.nvram_config = qla2x00_nvram_config;
1479 ha->isp_ops.update_fw_options = qla2x00_update_fw_options;
0107109e 1480 ha->isp_ops.load_risc = qla2x00_load_risc;
abbd8870
AV		 1481 ha->isp_ops.pci_info_str = qla2x00_pci_info_str;
1482 ha->isp_ops.fw_version_str = qla2x00_fw_version_str;
1483 ha->isp_ops.intr_handler = qla2100_intr_handler;
1484 ha->isp_ops.enable_intrs = qla2x00_enable_intrs;
1485 ha->isp_ops.disable_intrs = qla2x00_disable_intrs;
1486 ha->isp_ops.abort_command = qla2x00_abort_command;
1487 ha->isp_ops.abort_target = qla2x00_abort_target;
1488 ha->isp_ops.fabric_login = qla2x00_login_fabric;
1489 ha->isp_ops.fabric_logout = qla2x00_fabric_logout;
1490 ha->isp_ops.calc_req_entries = qla2x00_calc_iocbs_32;
1491 ha->isp_ops.build_iocbs = qla2x00_build_scsi_iocbs_32;
1492 ha->isp_ops.prep_ms_iocb = qla2x00_prep_ms_iocb;
cca5335c 1493 ha->isp_ops.prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb;
459c5378
AV		 1494 ha->isp_ops.read_nvram = qla2x00_read_nvram_data;
1495 ha->isp_ops.write_nvram = qla2x00_write_nvram_data;
abbd8870 1496 ha->isp_ops.fw_dump = qla2100_fw_dump;
854165f4
AV		 1497 ha->isp_ops.read_optrom = qla2x00_read_optrom_data;
1498 ha->isp_ops.write_optrom = qla2x00_write_optrom_data;
30c47662 1499 ha->isp_ops.get_flash_version = qla2x00_get_flash_version;
1da177e4 1500 if (IS_QLA2100(ha)) {
354d6b21 1501 host->max_id = MAX_TARGETS_2100;
1da177e4
LT		 1502 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
1503 ha->request_q_length = REQUEST_ENTRY_CNT_2100;
1504 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1505 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
1506 host->sg_tablesize = 32;
abbd8870 1507 ha->gid_list_info_size = 4;
1da177e4 1508 } else if (IS_QLA2200(ha)) {
354d6b21 1509 host->max_id = MAX_TARGETS_2200;
1da177e4
LT		 1510 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1511 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1512 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1513 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
abbd8870 1514 ha->gid_list_info_size = 4;
fca29703 1515 } else if (IS_QLA23XX(ha)) {
354d6b21 1516 host->max_id = MAX_TARGETS_2200;
1da177e4
LT		 1517 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1518 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1519 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1520 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
abbd8870
AV		 1521 ha->isp_ops.pci_config = qla2300_pci_config;
1522 ha->isp_ops.intr_handler = qla2300_intr_handler;
1523 ha->isp_ops.fw_dump = qla2300_fw_dump;
f6df144c
AV		 1524 ha->isp_ops.beacon_on = qla2x00_beacon_on;
1525 ha->isp_ops.beacon_off = qla2x00_beacon_off;
1526 ha->isp_ops.beacon_blink = qla2x00_beacon_blink;
abbd8870 1527 ha->gid_list_info_size = 6;
854165f4
AV		 1528 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1529 ha->optrom_size = OPTROM_SIZE_2322;
044cc6c8 1530 } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
fca29703
AV		 1531 host->max_id = MAX_TARGETS_2200;
1532 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1533 ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
1534 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1535 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
2c3dfe3f
SJ		 1536 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1537 ha->mgmt_svr_loop_id = 10 + ha->vp_idx;
fca29703
AV		 1538 ha->isp_ops.pci_config = qla24xx_pci_config;
1539 ha->isp_ops.reset_chip = qla24xx_reset_chip;
1540 ha->isp_ops.chip_diag = qla24xx_chip_diag;
1541 ha->isp_ops.config_rings = qla24xx_config_rings;
1542 ha->isp_ops.reset_adapter = qla24xx_reset_adapter;
1543 ha->isp_ops.nvram_config = qla24xx_nvram_config;
1544 ha->isp_ops.update_fw_options = qla24xx_update_fw_options;
5433383e 1545 ha->isp_ops.load_risc = qla24xx_load_risc;
fca29703
AV		 1546 ha->isp_ops.pci_info_str = qla24xx_pci_info_str;
1547 ha->isp_ops.fw_version_str = qla24xx_fw_version_str;
1548 ha->isp_ops.intr_handler = qla24xx_intr_handler;
1549 ha->isp_ops.enable_intrs = qla24xx_enable_intrs;
1550 ha->isp_ops.disable_intrs = qla24xx_disable_intrs;
1551 ha->isp_ops.abort_command = qla24xx_abort_command;
1552 ha->isp_ops.abort_target = qla24xx_abort_target;
1553 ha->isp_ops.fabric_login = qla24xx_login_fabric;
1554 ha->isp_ops.fabric_logout = qla24xx_fabric_logout;
1555 ha->isp_ops.prep_ms_iocb = qla24xx_prep_ms_iocb;
cca5335c 1556 ha->isp_ops.prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb;
fca29703
AV		 1557 ha->isp_ops.read_nvram = qla24xx_read_nvram_data;
1558 ha->isp_ops.write_nvram = qla24xx_write_nvram_data;
1559 ha->isp_ops.fw_dump = qla24xx_fw_dump;
854165f4
AV		 1560 ha->isp_ops.read_optrom = qla24xx_read_optrom_data;
1561 ha->isp_ops.write_optrom = qla24xx_write_optrom_data;
f6df144c
AV		 1562 ha->isp_ops.beacon_on = qla24xx_beacon_on;
1563 ha->isp_ops.beacon_off = qla24xx_beacon_off;
1564 ha->isp_ops.beacon_blink = qla24xx_beacon_blink;
30c47662 1565 ha->isp_ops.get_flash_version = qla24xx_get_flash_version;
fca29703 1566 ha->gid_list_info_size = 8;
854165f4 1567 ha->optrom_size = OPTROM_SIZE_24XX;
1da177e4
LT		 1568 }
1569 host->can_queue = ha->request_q_length + 128;
1570
1571 /* load the F/W, read paramaters, and init the H/W */
1572 ha->instance = num_hosts;
1573
1574 init_MUTEX(&ha->mbx_cmd_sem);
2c3dfe3f 1575 init_MUTEX(&ha->vport_sem);
1da177e4
LT		 1576 init_MUTEX_LOCKED(&ha->mbx_intr_sem);
1577
1578 INIT_LIST_HEAD(&ha->list);
1579 INIT_LIST_HEAD(&ha->fcports);
2c3dfe3f
SJ		 1580 INIT_LIST_HEAD(&ha->vp_list);
1581
1582 set_bit(0, (unsigned long *) ha->vp_idx_map);
1da177e4 1583
1da177e4
LT		 1584 qla2x00_config_dma_addressing(ha);
1585 if (qla2x00_mem_alloc(ha)) {
1586 qla_printk(KERN_WARNING, ha,
1587 "[ERROR] Failed to allocate memory for adapter\n");
1588
a1541d5a
AV		 1589 ret = -ENOMEM;
1590 goto probe_failed;
1da177e4
LT		 1591 }
1592
765140bf 1593 if (qla2x00_initialize_adapter(ha)) {
1da177e4
LT		 1594 qla_printk(KERN_WARNING, ha,
1595 "Failed to initialize adapter\n");
1596
1597 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1598 "Adapter flags %x.\n",
1599 ha->host_no, ha->device_flags));
1600
a1541d5a 1601 ret = -ENODEV;
1da177e4
LT		 1602 goto probe_failed;
1603 }
1604
1605 /*
1606 * Startup the kernel thread for this host adapter
1607 */
39a11240
CH		 1608 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
1609 "%s_dpc", ha->host_str);
1610 if (IS_ERR(ha->dpc_thread)) {
1da177e4
LT		 1611 qla_printk(KERN_WARNING, ha,
1612 "Unable to start DPC thread!\n");
39a11240 1613 ret = PTR_ERR(ha->dpc_thread);
1da177e4
LT		 1614 goto probe_failed;
1615 }
1da177e4 1616
a1541d5a
AV		 1617 host->this_id = 255;
1618 host->cmd_per_lun = 3;
1619 host->unique_id = ha->instance;
1620 host->max_cmd_len = MAX_CMDSZ;
75bc4190 1621 host->max_channel = MAX_BUSES - 1;
a1541d5a
AV		 1622 host->max_lun = MAX_LUNS;
1623 host->transportt = qla2xxx_transport_template;
1624
a8488abe
AV		 1625 ret = qla2x00_request_irqs(ha);
1626 if (ret)
1da177e4 1627 goto probe_failed;
1da177e4
LT		 1628
1629 /* Initialized the timer */
1630 qla2x00_start_timer(ha, qla2x00_timer, WATCH_INTERVAL);
1631
1632 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
1633 ha->host_no, ha));
1634
abbd8870 1635 ha->isp_ops.disable_intrs(ha);
1da177e4 1636
1da177e4 1637 spin_lock_irqsave(&ha->hardware_lock, flags);
fca29703 1638 reg = ha->iobase;
e428924c 1639 if (IS_FWI2_CAPABLE(ha)) {
fca29703
AV		 1640 WRT_REG_DWORD(&reg->isp24.hccr, HCCRX_CLR_HOST_INT);
1641 WRT_REG_DWORD(&reg->isp24.hccr, HCCRX_CLR_RISC_INT);
1642 } else {
1643 WRT_REG_WORD(&reg->isp.semaphore, 0);
1644 WRT_REG_WORD(&reg->isp.hccr, HCCR_CLR_RISC_INT);
1645 WRT_REG_WORD(&reg->isp.hccr, HCCR_CLR_HOST_INT);
1646
1647 /* Enable proper parity */
1648 if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1649 if (IS_QLA2300(ha))
1650 /* SRAM parity */
1651 WRT_REG_WORD(&reg->isp.hccr,
1652 (HCCR_ENABLE_PARITY + 0x1));
1653 else
1654 /* SRAM, Instruction RAM and GP RAM parity */
1655 WRT_REG_WORD(&reg->isp.hccr,
1656 (HCCR_ENABLE_PARITY + 0x7));
1657 }
1da177e4
LT		 1658 }
1659 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1660
abbd8870 1661 ha->isp_ops.enable_intrs(ha);
1da177e4 1662
a1541d5a 1663 pci_set_drvdata(pdev, ha);
d19044c3 1664
1da177e4 1665 ha->flags.init_done = 1;
d19044c3
AV		 1666 ha->flags.online = 1;
1667
1da177e4
LT		 1668 num_hosts++;
1669
a1541d5a
AV		 1670 ret = scsi_add_host(host, &pdev->dev);
1671 if (ret)
1672 goto probe_failed;
1673
1e99e33a
AV		 1674 scsi_scan_host(host);
1675
a1541d5a
AV		 1676 qla2x00_alloc_sysfs_attr(ha);
1677
1678 qla2x00_init_host_attr(ha);
1679
1da177e4
LT		 1680 qla_printk(KERN_INFO, ha, "\n"
1681 " QLogic Fibre Channel HBA Driver: %s\n"
1682 " QLogic %s - %s\n"
5433383e
AV		 1683 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
1684 qla2x00_version_str, ha->model_number,
1685 ha->model_desc ? ha->model_desc: "", pdev->device,
1686 ha->isp_ops.pci_info_str(ha, pci_info), pci_name(pdev),
1687 ha->flags.enable_64bit_addressing ? '+': '-', ha->host_no,
1688 ha->isp_ops.fw_version_str(ha, fw_str));
1da177e4 1689
1da177e4
LT		 1690 return 0;
1691
1692probe_failed:
1693 qla2x00_free_device(ha);
1694
1695 scsi_host_put(host);
1696
1697probe_disable_device:
1698 pci_disable_device(pdev);
1699
a1541d5a
AV		 1700probe_out:
1701 return ret;
1da177e4 1702}
1da177e4 1703
7ee61397
AV		 1704static void __devexit
1705qla2x00_remove_one(struct pci_dev *pdev)
1da177e4
LT		 1706{
1707 scsi_qla_host_t *ha;
1708
1709 ha = pci_get_drvdata(pdev);
1710
8482e118 1711 qla2x00_free_sysfs_attr(ha);
1da177e4 1712
bdf79621
AV		 1713 fc_remove_host(ha->host);
1714
1da177e4
LT		 1715 scsi_remove_host(ha->host);
1716
1717 qla2x00_free_device(ha);
1718
1719 scsi_host_put(ha->host);
1720
665db93b 1721 pci_disable_device(pdev);
1da177e4
LT		 1722 pci_set_drvdata(pdev, NULL);
1723}
1da177e4
LT		 1724
1725static void
1726qla2x00_free_device(scsi_qla_host_t *ha)
1727{
1da177e4
LT		 1728 /* Disable timer */
1729 if (ha->timer_active)
1730 qla2x00_stop_timer(ha);
1731
1732 /* Kill the kernel thread for this host */
39a11240
CH		 1733 if (ha->dpc_thread) {
1734 struct task_struct *t = ha->dpc_thread;
1da177e4 1735
39a11240
CH		 1736 /*
1737 * qla2xxx_wake_dpc checks for ->dpc_thread
1738 * so we need to zero it out.
1739 */
1740 ha->dpc_thread = NULL;
1741 kthread_stop(t);
1da177e4
LT		 1742 }
1743
a7a167bf
AV		 1744 if (ha->eft)
1745 qla2x00_trace_control(ha, TC_DISABLE, 0, 0);
1746
18c6c127
AV		 1747 ha->flags.online = 0;
1748
f6ef3b18 1749 /* Stop currently executing firmware. */
18c6c127 1750 qla2x00_try_to_stop_firmware(ha);
1da177e4 1751
f6ef3b18
AV		 1752 /* turn-off interrupts on the card */
1753 if (ha->interrupts_on)
1754 ha->isp_ops.disable_intrs(ha);
1755
1756 qla2x00_mem_free(ha);
1da177e4 1757
a8488abe 1758 qla2x00_free_irqs(ha);
1da177e4
LT		 1759
1760 /* release io space registers */
1761 if (ha->iobase)
1762 iounmap(ha->iobase);
1763 pci_release_regions(ha->pdev);
1da177e4
LT		 1764}
1765
d97994dc
AV		 1766static inline void
1767qla2x00_schedule_rport_del(struct scsi_qla_host *ha, fc_port_t *fcport,
1768 int defer)
1769{
1770 unsigned long flags;
1771 struct fc_rport *rport;
1772
1773 if (!fcport->rport)
1774 return;
1775
1776 rport = fcport->rport;
1777 if (defer) {
1778 spin_lock_irqsave(&fcport->rport_lock, flags);
1779 fcport->drport = rport;
1780 fcport->rport = NULL;
387f96b4 1781 *(fc_port_t **)rport->dd_data = NULL;
d97994dc
AV		 1782 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1783 set_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags);
1784 } else {
1785 spin_lock_irqsave(&fcport->rport_lock, flags);
1786 fcport->rport = NULL;
387f96b4 1787 *(fc_port_t **)rport->dd_data = NULL;
d97994dc
AV		 1788 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1789 fc_remote_port_delete(rport);
1790 }
1791}
1792
1da177e4
LT		 1793/*
1794 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
1795 *
1796 * Input: ha = adapter block pointer. fcport = port structure pointer.
1797 *
1798 * Return: None.
1799 *
1800 * Context:
1801 */
1802void qla2x00_mark_device_lost(scsi_qla_host_t *ha, fc_port_t *fcport,
d97994dc 1803 int do_login, int defer)
1da177e4 1804{
2c3dfe3f
SJ		 1805 if (atomic_read(&fcport->state) == FCS_ONLINE &&
1806 ha->vp_idx == fcport->vp_idx)
d97994dc 1807 qla2x00_schedule_rport_del(ha, fcport, defer);
19a7b4ae 1808
fa2a1ce5 1809 /*
1da177e4
LT		 1810 * We may need to retry the login, so don't change the state of the
1811 * port but do the retries.
1812 */
1813 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
1814 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1815
1816 if (!do_login)
1817 return;
1818
1819 if (fcport->login_retry == 0) {
1820 fcport->login_retry = ha->login_retry_count;
1821 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
1822
1823 DEBUG(printk("scsi(%ld): Port login retry: "
1824 "%02x%02x%02x%02x%02x%02x%02x%02x, "
1825 "id = 0x%04x retry cnt=%d\n",
1826 ha->host_no,
1827 fcport->port_name[0],
1828 fcport->port_name[1],
1829 fcport->port_name[2],
1830 fcport->port_name[3],
1831 fcport->port_name[4],
1832 fcport->port_name[5],
1833 fcport->port_name[6],
1834 fcport->port_name[7],
1835 fcport->loop_id,
1836 fcport->login_retry));
1837 }
1838}
1839
1840/*
1841 * qla2x00_mark_all_devices_lost
1842 * Updates fcport state when device goes offline.
1843 *
1844 * Input:
1845 * ha = adapter block pointer.
1846 * fcport = port structure pointer.
1847 *
1848 * Return:
1849 * None.
1850 *
1851 * Context:
1852 */
1853void
d97994dc 1854qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha, int defer)
1da177e4
LT		 1855{
1856 fc_port_t *fcport;
2c3dfe3f 1857 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4 1858
2c3dfe3f
SJ		 1859 list_for_each_entry(fcport, &pha->fcports, list) {
1860 if (ha->vp_idx != 0 && ha->vp_idx != fcport->vp_idx)
1da177e4 1861 continue;
1da177e4
LT		 1862 /*
1863 * No point in marking the device as lost, if the device is
1864 * already DEAD.
1865 */
1866 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
1867 continue;
2c3dfe3f
SJ		 1868 if (atomic_read(&fcport->state) == FCS_ONLINE) {
1869 if (defer)
1870 qla2x00_schedule_rport_del(ha, fcport, defer);
1871 else if (ha->vp_idx == fcport->vp_idx)
1872 qla2x00_schedule_rport_del(ha, fcport, defer);
1873 }
1da177e4
LT		 1874 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1875 }
d97994dc 1876
39a11240
CH		 1877 if (defer)
1878 qla2xxx_wake_dpc(ha);
1da177e4
LT		 1879}
1880
1881/*
1882* qla2x00_mem_alloc
1883* Allocates adapter memory.
1884*
1885* Returns:
1886* 0 = success.
1887* 1 = failure.
1888*/
2c3dfe3f 1889uint8_t
1da177e4
LT		 1890qla2x00_mem_alloc(scsi_qla_host_t *ha)
1891{
1892 char name[16];
1893 uint8_t status = 1;
1894 int retry= 10;
1895
1896 do {
1897 /*
1898 * This will loop only once if everything goes well, else some
1899 * number of retries will be performed to get around a kernel
1900 * bug where available mem is not allocated until after a
1901 * little delay and a retry.
1902 */
1903 ha->request_ring = dma_alloc_coherent(&ha->pdev->dev,
1904 (ha->request_q_length + 1) * sizeof(request_t),
1905 &ha->request_dma, GFP_KERNEL);
1906 if (ha->request_ring == NULL) {
1907 qla_printk(KERN_WARNING, ha,
1908 "Memory Allocation failed - request_ring\n");
1909
1910 qla2x00_mem_free(ha);
1911 msleep(100);
1912
1913 continue;
1914 }
1915
1916 ha->response_ring = dma_alloc_coherent(&ha->pdev->dev,
1917 (ha->response_q_length + 1) * sizeof(response_t),
1918 &ha->response_dma, GFP_KERNEL);
1919 if (ha->response_ring == NULL) {
1920 qla_printk(KERN_WARNING, ha,
1921 "Memory Allocation failed - response_ring\n");
1922
1923 qla2x00_mem_free(ha);
1924 msleep(100);
1925
1926 continue;
1927 }
1928
1929 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
1930 &ha->gid_list_dma, GFP_KERNEL);
1931 if (ha->gid_list == NULL) {
1932 qla_printk(KERN_WARNING, ha,
1933 "Memory Allocation failed - gid_list\n");
1934
1935 qla2x00_mem_free(ha);
1936 msleep(100);
1937
1938 continue;
1939 }
1940
2c3dfe3f
SJ		 1941 /* get consistent memory allocated for init control block */
1942 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev,
1943 ha->init_cb_size, &ha->init_cb_dma, GFP_KERNEL);
1944 if (ha->init_cb == NULL) {
1da177e4 1945 qla_printk(KERN_WARNING, ha,
2c3dfe3f 1946 "Memory Allocation failed - init_cb\n");
1da177e4
LT		 1947
1948 qla2x00_mem_free(ha);
1949 msleep(100);
1950
1951 continue;
1952 }
2c3dfe3f 1953 memset(ha->init_cb, 0, ha->init_cb_size);
1da177e4 1954
2c3dfe3f
SJ		 1955 snprintf(name, sizeof(name), "%s_%ld", QLA2XXX_DRIVER_NAME,
1956 ha->host_no);
1957 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
1958 DMA_POOL_SIZE, 8, 0);
1959 if (ha->s_dma_pool == NULL) {
1da177e4 1960 qla_printk(KERN_WARNING, ha,
2c3dfe3f 1961 "Memory Allocation failed - s_dma_pool\n");
1da177e4
LT		 1962
1963 qla2x00_mem_free(ha);
1964 msleep(100);
1965
1966 continue;
1967 }
1da177e4 1968
1da177e4
LT		 1969 if (qla2x00_allocate_sp_pool(ha)) {
1970 qla_printk(KERN_WARNING, ha,
1971 "Memory Allocation failed - "
1972 "qla2x00_allocate_sp_pool()\n");
1973
1974 qla2x00_mem_free(ha);
1975 msleep(100);
1976
1977 continue;
1978 }
1979
1980 /* Allocate memory for SNS commands */
1981 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1982 /* Get consistent memory allocated for SNS commands */
1983 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
1984 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma,
1985 GFP_KERNEL);
1986 if (ha->sns_cmd == NULL) {
1987 /* error */
1988 qla_printk(KERN_WARNING, ha,
1989 "Memory Allocation failed - sns_cmd\n");
1990
1991 qla2x00_mem_free(ha);
1992 msleep(100);
1993
1994 continue;
1995 }
1996 memset(ha->sns_cmd, 0, sizeof(struct sns_cmd_pkt));
1997 } else {
1998 /* Get consistent memory allocated for MS IOCB */
1999 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2000 &ha->ms_iocb_dma);
2001 if (ha->ms_iocb == NULL) {
2002 /* error */
2003 qla_printk(KERN_WARNING, ha,
2004 "Memory Allocation failed - ms_iocb\n");
2005
2006 qla2x00_mem_free(ha);
2007 msleep(100);
2008
2009 continue;
2010 }
2011 memset(ha->ms_iocb, 0, sizeof(ms_iocb_entry_t));
2012
2013 /*
2014 * Get consistent memory allocated for CT SNS
2015 * commands
2016 */
2017 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
2018 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma,
2019 GFP_KERNEL);
2020 if (ha->ct_sns == NULL) {
2021 /* error */
2022 qla_printk(KERN_WARNING, ha,
2023 "Memory Allocation failed - ct_sns\n");
2024
2025 qla2x00_mem_free(ha);
2026 msleep(100);
2027
2028 continue;
2029 }
2030 memset(ha->ct_sns, 0, sizeof(struct ct_sns_pkt));
88729e53 2031
e428924c 2032 if (IS_FWI2_CAPABLE(ha)) {
88729e53
AV		 2033 /*
2034 * Get consistent memory allocated for SFP
2035 * block.
2036 */
2037 ha->sfp_data = dma_pool_alloc(ha->s_dma_pool,
2038 GFP_KERNEL, &ha->sfp_data_dma);
2039 if (ha->sfp_data == NULL) {
2040 qla_printk(KERN_WARNING, ha,
2041 "Memory Allocation failed - "
2042 "sfp_data\n");
2043
2044 qla2x00_mem_free(ha);
2045 msleep(100);
2046
2047 continue;
2048 }
2049 memset(ha->sfp_data, 0, SFP_BLOCK_SIZE);
2050 }
1da177e4
LT		 2051 }
2052
2053 /* Done all allocations without any error. */
2054 status = 0;
2055
2056 } while (retry-- && status != 0);
2057
2058 if (status) {
2059 printk(KERN_WARNING
2060 "%s(): **** FAILED ****\n", __func__);
2061 }
2062
2063 return(status);
2064}
2065
2066/*
2067* qla2x00_mem_free
2068* Frees all adapter allocated memory.
2069*
2070* Input:
2071* ha = adapter block pointer.
2072*/
2c3dfe3f 2073void
1da177e4
LT		 2074qla2x00_mem_free(scsi_qla_host_t *ha)
2075{
1da177e4
LT		 2076 struct list_head *fcpl, *fcptemp;
2077 fc_port_t *fcport;
1da177e4
LT		 2078
2079 if (ha == NULL) {
2080 /* error */
2081 DEBUG2(printk("%s(): ERROR invalid ha pointer.\n", __func__));
2082 return;
2083 }
2084
1da177e4
LT		 2085 /* free sp pool */
2086 qla2x00_free_sp_pool(ha);
2087
a7a167bf
AV		 2088 if (ha->fw_dump) {
2089 if (ha->eft)
2090 dma_free_coherent(&ha->pdev->dev,
2091 ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
2092 vfree(ha->fw_dump);
2093 }
2094
1da177e4
LT		 2095 if (ha->sns_cmd)
2096 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2097 ha->sns_cmd, ha->sns_cmd_dma);
2098
2099 if (ha->ct_sns)
2100 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2101 ha->ct_sns, ha->ct_sns_dma);
2102
88729e53
AV		 2103 if (ha->sfp_data)
2104 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2105
1da177e4
LT		 2106 if (ha->ms_iocb)
2107 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2108
1da177e4
LT		 2109 if (ha->s_dma_pool)
2110 dma_pool_destroy(ha->s_dma_pool);
2111
2c3dfe3f
SJ		 2112 if (ha->init_cb)
2113 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2114 ha->init_cb, ha->init_cb_dma);
2115
1da177e4
LT		 2116 if (ha->gid_list)
2117 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2118 ha->gid_list_dma);
2119
2120 if (ha->response_ring)
2121 dma_free_coherent(&ha->pdev->dev,
2122 (ha->response_q_length + 1) * sizeof(response_t),
2123 ha->response_ring, ha->response_dma);
2124
2125 if (ha->request_ring)
2126 dma_free_coherent(&ha->pdev->dev,
2127 (ha->request_q_length + 1) * sizeof(request_t),
2128 ha->request_ring, ha->request_dma);
2129
a7a167bf
AV		 2130 ha->eft = NULL;
2131 ha->eft_dma = 0;
1da177e4
LT		 2132 ha->sns_cmd = NULL;
2133 ha->sns_cmd_dma = 0;
2134 ha->ct_sns = NULL;
2135 ha->ct_sns_dma = 0;
2136 ha->ms_iocb = NULL;
2137 ha->ms_iocb_dma = 0;
1da177e4
LT		 2138 ha->init_cb = NULL;
2139 ha->init_cb_dma = 0;
2140
2141 ha->s_dma_pool = NULL;
2142
1da177e4
LT		 2143 ha->gid_list = NULL;
2144 ha->gid_list_dma = 0;
2145
2146 ha->response_ring = NULL;
2147 ha->response_dma = 0;
2148 ha->request_ring = NULL;
2149 ha->request_dma = 0;
2150
2151 list_for_each_safe(fcpl, fcptemp, &ha->fcports) {
2152 fcport = list_entry(fcpl, fc_port_t, list);
2153
1da177e4
LT		 2154 /* fc ports */
2155 list_del_init(&fcport->list);
2156 kfree(fcport);
2157 }
2158 INIT_LIST_HEAD(&ha->fcports);
2159
1da177e4 2160 ha->fw_dump = NULL;
fca29703 2161 ha->fw_dumped = 0;
1da177e4 2162 ha->fw_dump_reading = 0;
854165f4
AV		 2163
2164 vfree(ha->optrom_buffer);
1da177e4
LT		 2165}
2166
2167/*
2168 * qla2x00_allocate_sp_pool
2169 * This routine is called during initialization to allocate
2170 * memory for local srb_t.
2171 *
2172 * Input:
2173 * ha = adapter block pointer.
2174 *
2175 * Context:
2176 * Kernel context.
1da177e4
LT		 2177 */
2178static int
fa2a1ce5 2179qla2x00_allocate_sp_pool(scsi_qla_host_t *ha)
1da177e4
LT		 2180{
2181 int rval;
2182
2183 rval = QLA_SUCCESS;
93d2341c 2184 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
1da177e4
LT		 2185 if (ha->srb_mempool == NULL) {
2186 qla_printk(KERN_INFO, ha, "Unable to allocate SRB mempool.\n");
2187 rval = QLA_FUNCTION_FAILED;
2188 }
2189 return (rval);
2190}
2191
2192/*
2193 * This routine frees all adapter allocated memory.
fa2a1ce5 2194 *
1da177e4
LT		 2195 */
2196static void
fa2a1ce5 2197qla2x00_free_sp_pool( scsi_qla_host_t *ha)
1da177e4
LT		 2198{
2199 if (ha->srb_mempool) {
2200 mempool_destroy(ha->srb_mempool);
2201 ha->srb_mempool = NULL;
2202 }
2203}
2204
2205/**************************************************************************
2206* qla2x00_do_dpc
2207* This kernel thread is a task that is schedule by the interrupt handler
2208* to perform the background processing for interrupts.
2209*
2210* Notes:
2211* This task always run in the context of a kernel thread. It
2212* is kick-off by the driver's detect code and starts up
2213* up one per adapter. It immediately goes to sleep and waits for
2214* some fibre event. When either the interrupt handler or
2215* the timer routine detects a event it will one of the task
2216* bits then wake us up.
2217**************************************************************************/
2218static int
2219qla2x00_do_dpc(void *data)
2220{
2c3dfe3f 2221 int rval;
1da177e4
LT		 2222 scsi_qla_host_t *ha;
2223 fc_port_t *fcport;
1da177e4 2224 uint8_t status;
1da177e4 2225 uint16_t next_loopid;
1da177e4
LT		 2226
2227 ha = (scsi_qla_host_t *)data;
2228
1da177e4
LT		 2229 set_user_nice(current, -20);
2230
39a11240 2231 while (!kthread_should_stop()) {
1da177e4
LT		 2232 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2233
39a11240
CH		 2234 set_current_state(TASK_INTERRUPTIBLE);
2235 schedule();
2236 __set_current_state(TASK_RUNNING);
1da177e4
LT		 2237
2238 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2239
2240 /* Initialization not yet finished. Don't do anything yet. */
39a11240 2241 if (!ha->flags.init_done)
1da177e4
LT		 2242 continue;
2243
2244 DEBUG3(printk("scsi(%ld): DPC handler\n", ha->host_no));
2245
2246 ha->dpc_active = 1;
2247
1da177e4 2248 if (ha->flags.mbox_busy) {
1da177e4
LT		 2249 ha->dpc_active = 0;
2250 continue;
2251 }
2252
2253 if (test_and_clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
2254
2255 DEBUG(printk("scsi(%ld): dpc: sched "
2256 "qla2x00_abort_isp ha = %p\n",
2257 ha->host_no, ha));
2258 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
2259 &ha->dpc_flags))) {
2260
2261 if (qla2x00_abort_isp(ha)) {
2262 /* failed. retry later */
2263 set_bit(ISP_ABORT_NEEDED,
2264 &ha->dpc_flags);
2265 }
2266 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2267 }
2268 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
2269 ha->host_no));
2270 }
2271
d97994dc
AV		 2272 if (test_and_clear_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags))
2273 qla2x00_update_fcports(ha);
2274
91ca7b01
AV		 2275 if (test_and_clear_bit(LOOP_RESET_NEEDED, &ha->dpc_flags)) {
2276 DEBUG(printk("scsi(%ld): dpc: sched loop_reset()\n",
2277 ha->host_no));
2278 qla2x00_loop_reset(ha);
2279 }
2280
1da177e4
LT		 2281 if (test_and_clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) &&
2282 (!(test_and_set_bit(RESET_ACTIVE, &ha->dpc_flags)))) {
2283
2284 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
2285 ha->host_no));
2286
2287 qla2x00_rst_aen(ha);
2288 clear_bit(RESET_ACTIVE, &ha->dpc_flags);
2289 }
2290
2291 /* Retry each device up to login retry count */
2292 if ((test_and_clear_bit(RELOGIN_NEEDED, &ha->dpc_flags)) &&
2293 !test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) &&
2294 atomic_read(&ha->loop_state) != LOOP_DOWN) {
2295
2296 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
2297 ha->host_no));
2298
2299 next_loopid = 0;
2300 list_for_each_entry(fcport, &ha->fcports, list) {
1da177e4
LT		 2301 /*
2302 * If the port is not ONLINE then try to login
2303 * to it if we haven't run out of retries.
2304 */
2305 if (atomic_read(&fcport->state) != FCS_ONLINE &&
2306 fcport->login_retry) {
2307
2308 fcport->login_retry--;
2309 if (fcport->flags & FCF_FABRIC_DEVICE) {
2310 if (fcport->flags &
2311 FCF_TAPE_PRESENT)
abbd8870 2312 ha->isp_ops.fabric_logout(
1c7c6357
AV		 2313 ha, fcport->loop_id,
2314 fcport->d_id.b.domain,
2315 fcport->d_id.b.area,
2316 fcport->d_id.b.al_pa);
1da177e4
LT		 2317 status = qla2x00_fabric_login(
2318 ha, fcport, &next_loopid);
2319 } else
2320 status =
2321 qla2x00_local_device_login(
9a52a57c 2322 ha, fcport);
1da177e4
LT		 2323
2324 if (status == QLA_SUCCESS) {
2325 fcport->old_loop_id = fcport->loop_id;
2326
2327 DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n",
2328 ha->host_no, fcport->loop_id));
fa2a1ce5 2329
052c40c8
AV		 2330 qla2x00_update_fcport(ha,
2331 fcport);
1da177e4
LT		 2332 } else if (status == 1) {
2333 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
2334 /* retry the login again */
2335 DEBUG(printk("scsi(%ld): Retrying %d login again loop_id 0x%x\n",
2336 ha->host_no,
2337 fcport->login_retry, fcport->loop_id));
2338 } else {
2339 fcport->login_retry = 0;
2340 }
2341 }
2342 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2343 break;
2344 }
2345 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
2346 ha->host_no));
2347 }
2348
2349 if ((test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags)) &&
2350 atomic_read(&ha->loop_state) != LOOP_DOWN) {
2351
2352 clear_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags);
2353 DEBUG(printk("scsi(%ld): qla2x00_login_retry()\n",
2354 ha->host_no));
fa2a1ce5 2355
1da177e4
LT		 2356 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
2357
2358 DEBUG(printk("scsi(%ld): qla2x00_login_retry - end\n",
2359 ha->host_no));
2360 }
2361
2362 if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
2363
2364 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
2365 ha->host_no));
2366
2367 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
2368 &ha->dpc_flags))) {
2369
2c3dfe3f 2370 rval = qla2x00_loop_resync(ha);
1da177e4
LT		 2371
2372 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
2373 }
2374
2375 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
2376 ha->host_no));
2377 }
2378
1da177e4
LT		 2379 if (test_and_clear_bit(FCPORT_RESCAN_NEEDED, &ha->dpc_flags)) {
2380
2381 DEBUG(printk("scsi(%ld): Rescan flagged fcports...\n",
2382 ha->host_no));
2383
2384 qla2x00_rescan_fcports(ha);
2385
2386 DEBUG(printk("scsi(%ld): Rescan flagged fcports..."
2387 "end.\n",
2388 ha->host_no));
2389 }
2390
1da177e4 2391 if (!ha->interrupts_on)
abbd8870 2392 ha->isp_ops.enable_intrs(ha);
1da177e4 2393
f6df144c
AV		 2394 if (test_and_clear_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags))
2395 ha->isp_ops.beacon_blink(ha);
2396
2c3dfe3f
SJ		 2397 qla2x00_do_dpc_all_vps(ha);
2398
1da177e4
LT		 2399 ha->dpc_active = 0;
2400 } /* End of while(1) */
2401
2402 DEBUG(printk("scsi(%ld): DPC handler exiting\n", ha->host_no));
2403
2404 /*
2405 * Make sure that nobody tries to wake us up again.
2406 */
1da177e4
LT		 2407 ha->dpc_active = 0;
2408
39a11240
CH		 2409 return 0;
2410}
2411
2412void
2413qla2xxx_wake_dpc(scsi_qla_host_t *ha)
2414{
2415 if (ha->dpc_thread)
2416 wake_up_process(ha->dpc_thread);
1da177e4
LT		 2417}
2418
1da177e4
LT		 2419/*
2420* qla2x00_rst_aen
2421* Processes asynchronous reset.
2422*
2423* Input:
2424* ha = adapter block pointer.
2425*/
2426static void
fa2a1ce5 2427qla2x00_rst_aen(scsi_qla_host_t *ha)
1da177e4
LT		 2428{
2429 if (ha->flags.online && !ha->flags.reset_active &&
2430 !atomic_read(&ha->loop_down_timer) &&
2431 !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) {
2432 do {
2433 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
2434
2435 /*
2436 * Issue marker command only when we are going to start
2437 * the I/O.
2438 */
2439 ha->marker_needed = 1;
2440 } while (!atomic_read(&ha->loop_down_timer) &&
2441 (test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags)));
2442 }
2443}
2444
f4f051eb
AV		 2445static void
2446qla2x00_sp_free_dma(scsi_qla_host_t *ha, srb_t *sp)
2447{
2448 struct scsi_cmnd *cmd = sp->cmd;
2449
2450 if (sp->flags & SRB_DMA_VALID) {
385d70b4 2451 scsi_dma_unmap(cmd);
f4f051eb
AV		 2452 sp->flags &= ~SRB_DMA_VALID;
2453 }
fca29703 2454 CMD_SP(cmd) = NULL;
f4f051eb
AV		 2455}
2456
2457void
2458qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *sp)
2459{
2460 struct scsi_cmnd *cmd = sp->cmd;
2461
2462 qla2x00_sp_free_dma(ha, sp);
2463
f4f051eb
AV		 2464 mempool_free(sp, ha->srb_mempool);
2465
2466 cmd->scsi_done(cmd);
2467}
bdf79621 2468
1da177e4
LT		 2469/**************************************************************************
2470* qla2x00_timer
2471*
2472* Description:
2473* One second timer
2474*
2475* Context: Interrupt
2476***************************************************************************/
2c3dfe3f 2477void
1da177e4
LT		 2478qla2x00_timer(scsi_qla_host_t *ha)
2479{
1da177e4
LT		 2480 unsigned long cpu_flags = 0;
2481 fc_port_t *fcport;
1da177e4
LT		 2482 int start_dpc = 0;
2483 int index;
2484 srb_t *sp;
f4f051eb 2485 int t;
2c3dfe3f 2486 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4
LT		 2487
2488 /*
2489 * Ports - Port down timer.
2490 *
2491 * Whenever, a port is in the LOST state we start decrementing its port
2492 * down timer every second until it reaches zero. Once it reaches zero
fa2a1ce5 2493 * the port it marked DEAD.
1da177e4
LT		 2494 */
2495 t = 0;
2496 list_for_each_entry(fcport, &ha->fcports, list) {
2497 if (fcport->port_type != FCT_TARGET)
2498 continue;
2499
2500 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2501
2502 if (atomic_read(&fcport->port_down_timer) == 0)
2503 continue;
2504
fa2a1ce5 2505 if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
1da177e4 2506 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
fa2a1ce5 2507
1da177e4 2508 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
fca29703 2509 "%d remaining\n",
1da177e4
LT		 2510 ha->host_no,
2511 t, atomic_read(&fcport->port_down_timer)));
2512 }
2513 t++;
2514 } /* End of for fcport */
2515
1da177e4
LT		 2516
2517 /* Loop down handler. */
2518 if (atomic_read(&ha->loop_down_timer) > 0 &&
2519 !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) && ha->flags.online) {
2520
2521 if (atomic_read(&ha->loop_down_timer) ==
2522 ha->loop_down_abort_time) {
2523
2524 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2525 "queues before time expire\n",
2526 ha->host_no));
2527
2528 if (!IS_QLA2100(ha) && ha->link_down_timeout)
fa2a1ce5 2529 atomic_set(&ha->loop_state, LOOP_DEAD);
1da177e4
LT		 2530
2531 /* Schedule an ISP abort to return any tape commands. */
2c3dfe3f
SJ		 2532 /* NPIV - scan physical port only */
2533 if (!ha->parent) {
2534 spin_lock_irqsave(&ha->hardware_lock,
2535 cpu_flags);
2536 for (index = 1;
2537 index < MAX_OUTSTANDING_COMMANDS;
2538 index++) {
2539 fc_port_t *sfcp;
2540
2541 sp = ha->outstanding_cmds[index];
2542 if (!sp)
2543 continue;
2544 sfcp = sp->fcport;
2545 if (!(sfcp->flags & FCF_TAPE_PRESENT))
2546 continue;
bdf79621 2547
2c3dfe3f
SJ		 2548 set_bit(ISP_ABORT_NEEDED,
2549 &ha->dpc_flags);
2550 break;
2551 }
2552 spin_unlock_irqrestore(&ha->hardware_lock,
2553 cpu_flags);
1da177e4 2554 }
1da177e4
LT		 2555 set_bit(ABORT_QUEUES_NEEDED, &ha->dpc_flags);
2556 start_dpc++;
2557 }
2558
2559 /* if the loop has been down for 4 minutes, reinit adapter */
2560 if (atomic_dec_and_test(&ha->loop_down_timer) != 0) {
2561 DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - "
2562 "restarting queues.\n",
2563 ha->host_no));
2564
2565 set_bit(RESTART_QUEUES_NEEDED, &ha->dpc_flags);
2566 start_dpc++;
2567
2568 if (!(ha->device_flags & DFLG_NO_CABLE)) {
2569 DEBUG(printk("scsi(%ld): Loop down - "
2570 "aborting ISP.\n",
2571 ha->host_no));
2572 qla_printk(KERN_WARNING, ha,
2573 "Loop down - aborting ISP.\n");
2574
2575 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
2576 }
2577 }
fca29703 2578 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
1da177e4
LT		 2579 ha->host_no,
2580 atomic_read(&ha->loop_down_timer)));
2581 }
2582
f6df144c
AV		 2583 /* Check if beacon LED needs to be blinked */
2584 if (ha->beacon_blink_led == 1) {
2585 set_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags);
2586 start_dpc++;
2587 }
2588
1da177e4
LT		 2589 /* Schedule the DPC routine if needed */
2590 if ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) ||
2591 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) ||
91ca7b01 2592 test_bit(LOOP_RESET_NEEDED, &ha->dpc_flags) ||
d97994dc 2593 test_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags) ||
1da177e4
LT		 2594 start_dpc ||
2595 test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags) ||
f4f051eb 2596 test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) ||
f6df144c 2597 test_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags) ||
2c3dfe3f 2598 test_bit(VP_DPC_NEEDED, &ha->dpc_flags) ||
39a11240 2599 test_bit(RELOGIN_NEEDED, &ha->dpc_flags)))
2c3dfe3f 2600 qla2xxx_wake_dpc(pha);
1da177e4
LT		 2601
2602 qla2x00_restart_timer(ha, WATCH_INTERVAL);
2603}
2604
1da177e4
LT		 2605/* XXX(hch): crude hack to emulate a down_timeout() */
2606int
2607qla2x00_down_timeout(struct semaphore *sema, unsigned long timeout)
2608{
fe74c71f
AV		 2609 const unsigned int step = 100; /* msecs */
2610 unsigned int iterations = jiffies_to_msecs(timeout)/100;
1da177e4
LT		 2611
2612 do {
2613 if (!down_trylock(sema))
2614 return 0;
fe74c71f 2615 if (msleep_interruptible(step))
1da177e4 2616 break;
88f5774b 2617 } while (--iterations > 0);
1da177e4
LT		 2618
2619 return -ETIMEDOUT;
2620}
2621
5433383e
AV		 2622/* Firmware interface routines. */
2623
48c02fde 2624#define FW_BLOBS 5
5433383e
AV		 2625#define FW_ISP21XX 0
2626#define FW_ISP22XX 1
2627#define FW_ISP2300 2
2628#define FW_ISP2322 3
48c02fde 2629#define FW_ISP24XX 4
5433383e 2630
bb8ee499
AV		 2631#define FW_FILE_ISP21XX "ql2100_fw.bin"
2632#define FW_FILE_ISP22XX "ql2200_fw.bin"
2633#define FW_FILE_ISP2300 "ql2300_fw.bin"
2634#define FW_FILE_ISP2322 "ql2322_fw.bin"
2635#define FW_FILE_ISP24XX "ql2400_fw.bin"
2636
5433383e
AV		 2637static DECLARE_MUTEX(qla_fw_lock);
2638
2639static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
bb8ee499
AV		 2640 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
2641 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
2642 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
2643 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
2644 { .name = FW_FILE_ISP24XX, },
5433383e
AV		 2645};
2646
2647struct fw_blob *
2648qla2x00_request_firmware(scsi_qla_host_t *ha)
2649{
2650 struct fw_blob *blob;
2651
2652 blob = NULL;
2653 if (IS_QLA2100(ha)) {
2654 blob = &qla_fw_blobs[FW_ISP21XX];
2655 } else if (IS_QLA2200(ha)) {
2656 blob = &qla_fw_blobs[FW_ISP22XX];
48c02fde 2657 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
5433383e 2658 blob = &qla_fw_blobs[FW_ISP2300];
48c02fde 2659 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
5433383e 2660 blob = &qla_fw_blobs[FW_ISP2322];
044cc6c8 2661 } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
5433383e
AV		 2662 blob = &qla_fw_blobs[FW_ISP24XX];
2663 }
2664
2665 down(&qla_fw_lock);
2666 if (blob->fw)
2667 goto out;
2668
2669 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
2670 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
2671 "(%s).\n", ha->host_no, blob->name));
2672 blob->fw = NULL;
2673 blob = NULL;
2674 goto out;
2675 }
2676
2677out:
2678 up(&qla_fw_lock);
2679 return blob;
2680}
2681
2682static void
2683qla2x00_release_firmware(void)
2684{
2685 int idx;
2686
2687 down(&qla_fw_lock);
2688 for (idx = 0; idx < FW_BLOBS; idx++)
2689 if (qla_fw_blobs[idx].fw)
2690 release_firmware(qla_fw_blobs[idx].fw);
2691 up(&qla_fw_lock);
2692}
2693
5433383e 2694static struct pci_device_id qla2xxx_pci_tbl[] = {
47f5e069
AV		 2695 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
2696 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
2697 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
2698 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
2699 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
2700 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
2701 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
2702 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
2703 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
2704 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
2705 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
5433383e
AV		 2706 { 0 },
2707};
2708MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
2709
fca29703 2710static struct pci_driver qla2xxx_pci_driver = {
cb63067a 2711 .name = QLA2XXX_DRIVER_NAME,
0a21ef1e
JB		 2712 .driver = {
2713 .owner = THIS_MODULE,
2714 },
fca29703 2715 .id_table = qla2xxx_pci_tbl,
7ee61397
AV		 2716 .probe = qla2x00_probe_one,
2717 .remove = __devexit_p(qla2x00_remove_one),
fca29703
AV		 2718};
2719
1da177e4
LT		 2720/**
2721 * qla2x00_module_init - Module initialization.
2722 **/
2723static int __init
2724qla2x00_module_init(void)
2725{
fca29703
AV		 2726 int ret = 0;
2727
1da177e4 2728 /* Allocate cache for SRBs. */
354d6b21 2729 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
1da177e4
LT		 2730 SLAB_HWCACHE_ALIGN, NULL, NULL);
2731 if (srb_cachep == NULL) {
2732 printk(KERN_ERR
2733 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
2734 return -ENOMEM;
2735 }
2736
2737 /* Derive version string. */
2738 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
11010fec 2739 if (ql2xextended_error_logging)
0181944f
AV		 2740 strcat(qla2x00_version_str, "-debug");
2741
1c97a12a
AV		 2742 qla2xxx_transport_template =
2743 fc_attach_transport(&qla2xxx_transport_functions);
2c3dfe3f
SJ		 2744 if (!qla2xxx_transport_template) {
2745 kmem_cache_destroy(srb_cachep);
1da177e4 2746 return -ENODEV;
2c3dfe3f
SJ		 2747 }
2748 qla2xxx_transport_vport_template =
2749 fc_attach_transport(&qla2xxx_transport_vport_functions);
2750 if (!qla2xxx_transport_vport_template) {
2751 kmem_cache_destroy(srb_cachep);
2752 fc_release_transport(qla2xxx_transport_template);
1da177e4 2753 return -ENODEV;
2c3dfe3f 2754 }
1da177e4
LT		 2755
2756 printk(KERN_INFO "QLogic Fibre Channel HBA Driver\n");
7ee61397 2757 ret = pci_register_driver(&qla2xxx_pci_driver);
fca29703
AV		 2758 if (ret) {
2759 kmem_cache_destroy(srb_cachep);
2760 fc_release_transport(qla2xxx_transport_template);
2c3dfe3f 2761 fc_release_transport(qla2xxx_transport_vport_template);
fca29703
AV		 2762 }
2763 return ret;
1da177e4
LT		 2764}
2765
2766/**
2767 * qla2x00_module_exit - Module cleanup.
2768 **/
2769static void __exit
2770qla2x00_module_exit(void)
2771{
7ee61397 2772 pci_unregister_driver(&qla2xxx_pci_driver);
5433383e 2773 qla2x00_release_firmware();
354d6b21 2774 kmem_cache_destroy(srb_cachep);
1da177e4 2775 fc_release_transport(qla2xxx_transport_template);
2c3dfe3f 2776 fc_release_transport(qla2xxx_transport_vport_template);
1da177e4
LT		 2777}
2778
2779module_init(qla2x00_module_init);
2780module_exit(qla2x00_module_exit);
2781
2782MODULE_AUTHOR("QLogic Corporation");
2783MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
2784MODULE_LICENSE("GPL");
2785MODULE_VERSION(QLA2XXX_VERSION);
bb8ee499
AV		 2786MODULE_FIRMWARE(FW_FILE_ISP21XX);
2787MODULE_FIRMWARE(FW_FILE_ISP22XX);
2788MODULE_FIRMWARE(FW_FILE_ISP2300);
2789MODULE_FIRMWARE(FW_FILE_ISP2322);
2790MODULE_FIRMWARE(FW_FILE_ISP24XX);
kernel source for telekom puls (alcatel/mediatek)