qla_os.c 171.7 KB
Newer Older
L
Linus Torvalds 已提交
1
/*
A
Andrew Vasquez 已提交
2
 * QLogic Fibre Channel HBA Driver
3
 * Copyright (c)  2003-2014 QLogic Corporation
L
Linus Torvalds 已提交
4
 *
A
Andrew Vasquez 已提交
5
 * See LICENSE.qla2xxx for copyright and licensing details.
L
Linus Torvalds 已提交
6 7 8 9 10 11
 */
#include "qla_def.h"

#include <linux/moduleparam.h>
#include <linux/vmalloc.h>
#include <linux/delay.h>
12
#include <linux/kthread.h>
13
#include <linux/mutex.h>
14
#include <linux/kobject.h>
15
#include <linux/slab.h>
16
#include <linux/blk-mq-pci.h>
L
Linus Torvalds 已提交
17 18 19 20 21
#include <scsi/scsi_tcq.h>
#include <scsi/scsicam.h>
#include <scsi/scsi_transport.h>
#include <scsi/scsi_transport_fc.h>

22 23
#include "qla_target.h"

L
Linus Torvalds 已提交
24 25 26 27 28
/*
 * Driver version
 */
char qla2x00_version_str[40];

29 30
static int apidev_major;

L
Linus Torvalds 已提交
31 32 33
/*
 * SRB allocation cache
 */
34
struct kmem_cache *srb_cachep;
L
Linus Torvalds 已提交
35

36 37 38 39
/*
 * CT6 CTX allocation cache
 */
static struct kmem_cache *ctx_cachep;
40 41 42 43
/*
 * error level for logging
 */
int ql_errlev = ql_log_all;
44

45
static int ql2xenableclass2;
46 47 48 49 50
module_param(ql2xenableclass2, int, S_IRUGO|S_IRUSR);
MODULE_PARM_DESC(ql2xenableclass2,
		"Specify if Class 2 operations are supported from the very "
		"beginning. Default is 0 - class 2 not supported.");

51

L
Linus Torvalds 已提交
52
int ql2xlogintimeout = 20;
53
module_param(ql2xlogintimeout, int, S_IRUGO);
L
Linus Torvalds 已提交
54 55 56
MODULE_PARM_DESC(ql2xlogintimeout,
		"Login timeout value in seconds.");

57
int qlport_down_retry;
58
module_param(qlport_down_retry, int, S_IRUGO);
L
Linus Torvalds 已提交
59
MODULE_PARM_DESC(qlport_down_retry,
60
		"Maximum number of command retries to a port that returns "
L
Linus Torvalds 已提交
61 62 63 64 65 66
		"a PORT-DOWN status.");

int ql2xplogiabsentdevice;
module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(ql2xplogiabsentdevice,
		"Option to enable PLOGI to devices that are not present after "
67
		"a Fabric scan.  This is needed for several broken switches. "
L
Linus Torvalds 已提交
68 69 70
		"Default is 0 - no PLOGI. 1 - perfom PLOGI.");

int ql2xloginretrycount = 0;
71
module_param(ql2xloginretrycount, int, S_IRUGO);
L
Linus Torvalds 已提交
72 73 74
MODULE_PARM_DESC(ql2xloginretrycount,
		"Specify an alternate value for the NVRAM login retry count.");

75
int ql2xallocfwdump = 1;
76
module_param(ql2xallocfwdump, int, S_IRUGO);
77 78 79 80 81
MODULE_PARM_DESC(ql2xallocfwdump,
		"Option to enable allocation of memory for a firmware dump "
		"during HBA initialization.  Memory allocation requirements "
		"vary by ISP type.  Default is 1 - allocate memory.");

82
int ql2xextended_error_logging;
83
module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
84
module_param_named(logging, ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
85
MODULE_PARM_DESC(ql2xextended_error_logging,
86 87 88 89 90 91 92 93 94
		"Option to enable extended error logging,\n"
		"\t\tDefault is 0 - no logging.  0x40000000 - Module Init & Probe.\n"
		"\t\t0x20000000 - Mailbox Cmnds. 0x10000000 - Device Discovery.\n"
		"\t\t0x08000000 - IO tracing.    0x04000000 - DPC Thread.\n"
		"\t\t0x02000000 - Async events.  0x01000000 - Timer routines.\n"
		"\t\t0x00800000 - User space.    0x00400000 - Task Management.\n"
		"\t\t0x00200000 - AER/EEH.       0x00100000 - Multi Q.\n"
		"\t\t0x00080000 - P3P Specific.  0x00040000 - Virtual Port.\n"
		"\t\t0x00020000 - Buffer Dump.   0x00010000 - Misc.\n"
95 96
		"\t\t0x00008000 - Verbose.       0x00004000 - Target.\n"
		"\t\t0x00002000 - Target Mgmt.   0x00001000 - Target TMF.\n"
97
		"\t\t0x7fffffff - For enabling all logs, can be too many logs.\n"
98 99 100
		"\t\t0x1e400000 - Preferred value for capturing essential "
		"debug information (equivalent to old "
		"ql2xextended_error_logging=1).\n"
101
		"\t\tDo LOGICAL OR of the value to enable more than one level");
102

103
int ql2xshiftctondsd = 6;
104
module_param(ql2xshiftctondsd, int, S_IRUGO);
105 106 107 108
MODULE_PARM_DESC(ql2xshiftctondsd,
		"Set to control shifting of command type processing "
		"based on total number of SG elements.");

109
int ql2xfdmienable=1;
110
module_param(ql2xfdmienable, int, S_IRUGO|S_IWUSR);
111
module_param_named(fdmi, ql2xfdmienable, int, S_IRUGO|S_IWUSR);
112
MODULE_PARM_DESC(ql2xfdmienable,
113 114
		"Enables FDMI registrations. "
		"0 - no FDMI. Default is 1 - perform FDMI.");
115

116 117
#define MAX_Q_DEPTH	32
static int ql2xmaxqdepth = MAX_Q_DEPTH;
118 119
module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(ql2xmaxqdepth,
120 121
		"Maximum queue depth to set for each LUN. "
		"Default is 32.");
122

123 124
int ql2xenabledif = 2;
module_param(ql2xenabledif, int, S_IRUGO);
125
MODULE_PARM_DESC(ql2xenabledif,
126 127 128 129 130
		" Enable T10-CRC-DIF:\n"
		" Default is 2.\n"
		"  0 -- No DIF Support\n"
		"  1 -- Enable DIF for all types\n"
		"  2 -- Enable DIF for all types, except Type 0.\n");
131

132
int ql2xenablehba_err_chk = 2;
133 134
module_param(ql2xenablehba_err_chk, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(ql2xenablehba_err_chk,
135
		" Enable T10-CRC-DIF Error isolation by HBA:\n"
136
		" Default is 2.\n"
137 138 139
		"  0 -- Error isolation disabled\n"
		"  1 -- Error isolation enabled only for DIX Type 0\n"
		"  2 -- Error isolation enabled for all Types\n");
140

141
int ql2xiidmaenable=1;
142
module_param(ql2xiidmaenable, int, S_IRUGO);
143 144 145 146
MODULE_PARM_DESC(ql2xiidmaenable,
		"Enables iIDMA settings "
		"Default is 1 - perform iIDMA. 0 - no iIDMA.");

147 148 149 150 151 152
int ql2xmqsupport = 1;
module_param(ql2xmqsupport, int, S_IRUGO);
MODULE_PARM_DESC(ql2xmqsupport,
		"Enable on demand multiple queue pairs support "
		"Default is 1 for supported. "
		"Set it to 0 to turn off mq qpair support.");
153 154

int ql2xfwloadbin;
155
module_param(ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
156
module_param_named(fwload, ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
157
MODULE_PARM_DESC(ql2xfwloadbin,
158 159
		"Option to specify location from which to load ISP firmware:.\n"
		" 2 -- load firmware via the request_firmware() (hotplug).\n"
160 161 162 163
		"      interface.\n"
		" 1 -- load firmware from flash.\n"
		" 0 -- use default semantics.\n");

164
int ql2xetsenable;
165
module_param(ql2xetsenable, int, S_IRUGO);
166 167 168 169
MODULE_PARM_DESC(ql2xetsenable,
		"Enables firmware ETS burst."
		"Default is 0 - skip ETS enablement.");

170
int ql2xdbwr = 1;
171
module_param(ql2xdbwr, int, S_IRUGO|S_IWUSR);
172
MODULE_PARM_DESC(ql2xdbwr,
173 174 175
		"Option to specify scheme for request queue posting.\n"
		" 0 -- Regular doorbell.\n"
		" 1 -- CAMRAM doorbell (faster).\n");
176

177
int ql2xtargetreset = 1;
178
module_param(ql2xtargetreset, int, S_IRUGO);
179 180 181 182
MODULE_PARM_DESC(ql2xtargetreset,
		 "Enable target reset."
		 "Default is 1 - use hw defaults.");

183
int ql2xgffidenable;
184
module_param(ql2xgffidenable, int, S_IRUGO);
185 186 187
MODULE_PARM_DESC(ql2xgffidenable,
		"Enables GFF_ID checks of port type. "
		"Default is 0 - Do not use GFF_ID information.");
188

189
int ql2xasynctmfenable;
190
module_param(ql2xasynctmfenable, int, S_IRUGO);
191 192 193
MODULE_PARM_DESC(ql2xasynctmfenable,
		"Enables issue of TM IOCBs asynchronously via IOCB mechanism"
		"Default is 0 - Issue TM IOCBs via mailbox mechanism.");
194 195

int ql2xdontresethba;
196
module_param(ql2xdontresethba, int, S_IRUGO|S_IWUSR);
197
MODULE_PARM_DESC(ql2xdontresethba,
198 199 200
		"Option to specify reset behaviour.\n"
		" 0 (Default) -- Reset on failure.\n"
		" 1 -- Do not reset on failure.\n");
201

202 203
uint64_t ql2xmaxlun = MAX_LUNS;
module_param(ql2xmaxlun, ullong, S_IRUGO);
204 205 206 207
MODULE_PARM_DESC(ql2xmaxlun,
		"Defines the maximum LU number to register with the SCSI "
		"midlayer. Default is 65535.");

208 209 210 211
int ql2xmdcapmask = 0x1F;
module_param(ql2xmdcapmask, int, S_IRUGO);
MODULE_PARM_DESC(ql2xmdcapmask,
		"Set the Minidump driver capture mask level. "
212
		"Default is 0x1F - Can be set to 0x3, 0x7, 0xF, 0x1F, 0x7F.");
213

214
int ql2xmdenable = 1;
215 216 217
module_param(ql2xmdenable, int, S_IRUGO);
MODULE_PARM_DESC(ql2xmdenable,
		"Enable/disable MiniDump. "
218 219
		"0 - MiniDump disabled. "
		"1 (Default) - MiniDump enabled.");
220

221 222 223 224 225 226
int ql2xexlogins = 0;
module_param(ql2xexlogins, uint, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(ql2xexlogins,
		 "Number of extended Logins. "
		 "0 (Default)- Disabled.");

227 228 229 230 231 232
int ql2xexchoffld = 0;
module_param(ql2xexchoffld, uint, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(ql2xexchoffld,
		 "Number of exchanges to offload. "
		 "0 (Default)- Disabled.");

233 234 235 236 237 238 239
int ql2xfwholdabts = 0;
module_param(ql2xfwholdabts, int, S_IRUGO);
MODULE_PARM_DESC(ql2xfwholdabts,
		"Allow FW to hold status IOCB until ABTS rsp received. "
		"0 (Default) Do not set fw option. "
		"1 - Set fw option to hold ABTS.");

L
Linus Torvalds 已提交
240
/*
A
Andrew Vasquez 已提交
241
 * SCSI host template entry points
L
Linus Torvalds 已提交
242 243
 */
static int qla2xxx_slave_configure(struct scsi_device * device);
已提交
244
static int qla2xxx_slave_alloc(struct scsi_device *);
245 246
static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
static void qla2xxx_scan_start(struct Scsi_Host *);
已提交
247
static void qla2xxx_slave_destroy(struct scsi_device *);
J
Jeff Garzik 已提交
248
static int qla2xxx_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd);
L
Linus Torvalds 已提交
249 250
static int qla2xxx_eh_abort(struct scsi_cmnd *);
static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
251
static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
L
Linus Torvalds 已提交
252 253 254
static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
static int qla2xxx_eh_host_reset(struct scsi_cmnd *);

255
static void qla2x00_clear_drv_active(struct qla_hw_data *);
256
static void qla2x00_free_device(scsi_qla_host_t *);
257
static void qla83xx_disable_laser(scsi_qla_host_t *vha);
258
static int qla2xxx_map_queues(struct Scsi_Host *shost);
259

260
struct scsi_host_template qla2xxx_driver_template = {
L
Linus Torvalds 已提交
261
	.module			= THIS_MODULE,
262
	.name			= QLA2XXX_DRIVER_NAME,
263
	.queuecommand		= qla2xxx_queuecommand,
264 265 266

	.eh_abort_handler	= qla2xxx_eh_abort,
	.eh_device_reset_handler = qla2xxx_eh_device_reset,
267
	.eh_target_reset_handler = qla2xxx_eh_target_reset,
268 269 270 271 272 273 274
	.eh_bus_reset_handler	= qla2xxx_eh_bus_reset,
	.eh_host_reset_handler	= qla2xxx_eh_host_reset,

	.slave_configure	= qla2xxx_slave_configure,

	.slave_alloc		= qla2xxx_slave_alloc,
	.slave_destroy		= qla2xxx_slave_destroy,
275 276
	.scan_finished		= qla2xxx_scan_finished,
	.scan_start		= qla2xxx_scan_start,
277
	.change_queue_depth	= scsi_change_queue_depth,
278
	.map_queues             = qla2xxx_map_queues,
279 280 281 282 283 284
	.this_id		= -1,
	.cmd_per_lun		= 3,
	.use_clustering		= ENABLE_CLUSTERING,
	.sg_tablesize		= SG_ALL,

	.max_sectors		= 0xFFFF,
285
	.shost_attrs		= qla2x00_host_attrs,
286 287

	.supported_mode		= MODE_INITIATOR,
288
	.track_queue_depth	= 1,
289 290
};

L
Linus Torvalds 已提交
291
static struct scsi_transport_template *qla2xxx_transport_template = NULL;
292
struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
L
Linus Torvalds 已提交
293 294 295 296 297 298

/* TODO Convert to inlines
 *
 * Timer routines
 */

299
__inline__ void
300
qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval)
L
Linus Torvalds 已提交
301
{
302 303 304 305 306 307
	init_timer(&vha->timer);
	vha->timer.expires = jiffies + interval * HZ;
	vha->timer.data = (unsigned long)vha;
	vha->timer.function = (void (*)(unsigned long))func;
	add_timer(&vha->timer);
	vha->timer_active = 1;
L
Linus Torvalds 已提交
308 309 310
}

static inline void
311
qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
L
Linus Torvalds 已提交
312
{
313
	/* Currently used for 82XX only. */
314 315 316
	if (vha->device_flags & DFLG_DEV_FAILED) {
		ql_dbg(ql_dbg_timer, vha, 0x600d,
		    "Device in a failed state, returning.\n");
317
		return;
318
	}
319

320
	mod_timer(&vha->timer, jiffies + interval * HZ);
L
Linus Torvalds 已提交
321 322
}

A
Adrian Bunk 已提交
323
static __inline__ void
324
qla2x00_stop_timer(scsi_qla_host_t *vha)
L
Linus Torvalds 已提交
325
{
326 327
	del_timer_sync(&vha->timer);
	vha->timer_active = 0;
L
Linus Torvalds 已提交
328 329 330 331 332 333
}

static int qla2x00_do_dpc(void *data);

static void qla2x00_rst_aen(scsi_qla_host_t *);

334 335
static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
	struct req_que **, struct rsp_que **);
336
static void qla2x00_free_fw_dump(struct qla_hw_data *);
337
static void qla2x00_mem_free(struct qla_hw_data *);
338 339
int qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd,
	struct qla_qpair *qpair);
L
Linus Torvalds 已提交
340 341

/* -------------------------------------------------------------------------- */
342 343
static int qla2x00_alloc_queues(struct qla_hw_data *ha, struct req_que *req,
				struct rsp_que *rsp)
344
{
345
	scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
346
	ha->req_q_map = kzalloc(sizeof(struct req_que *) * ha->max_req_queues,
347 348
				GFP_KERNEL);
	if (!ha->req_q_map) {
349 350
		ql_log(ql_log_fatal, vha, 0x003b,
		    "Unable to allocate memory for request queue ptrs.\n");
351 352 353
		goto fail_req_map;
	}

354
	ha->rsp_q_map = kzalloc(sizeof(struct rsp_que *) * ha->max_rsp_queues,
355 356
				GFP_KERNEL);
	if (!ha->rsp_q_map) {
357 358
		ql_log(ql_log_fatal, vha, 0x003c,
		    "Unable to allocate memory for response queue ptrs.\n");
359 360
		goto fail_rsp_map;
	}
361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379

	if (ql2xmqsupport && ha->max_qpairs) {
		ha->queue_pair_map = kcalloc(ha->max_qpairs, sizeof(struct qla_qpair *),
			GFP_KERNEL);
		if (!ha->queue_pair_map) {
			ql_log(ql_log_fatal, vha, 0x0180,
			    "Unable to allocate memory for queue pair ptrs.\n");
			goto fail_qpair_map;
		}
		ha->base_qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL);
		if (ha->base_qpair == NULL) {
			ql_log(ql_log_warn, vha, 0x0182,
			    "Failed to allocate base queue pair memory.\n");
			goto fail_base_qpair;
		}
		ha->base_qpair->req = req;
		ha->base_qpair->rsp = rsp;
	}

380 381 382 383 384 385
	/*
	 * Make sure we record at least the request and response queue zero in
	 * case we need to free them if part of the probe fails.
	 */
	ha->rsp_q_map[0] = rsp;
	ha->req_q_map[0] = req;
386 387 388 389
	set_bit(0, ha->rsp_qid_map);
	set_bit(0, ha->req_qid_map);
	return 1;

390 391 392 393 394
fail_base_qpair:
	kfree(ha->queue_pair_map);
fail_qpair_map:
	kfree(ha->rsp_q_map);
	ha->rsp_q_map = NULL;
395 396 397 398 399 400 401
fail_rsp_map:
	kfree(ha->req_q_map);
	ha->req_q_map = NULL;
fail_req_map:
	return -ENOMEM;
}

402
static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
403
{
404 405 406 407 408 409
	if (IS_QLAFX00(ha)) {
		if (req && req->ring_fx00)
			dma_free_coherent(&ha->pdev->dev,
			    (req->length_fx00 + 1) * sizeof(request_t),
			    req->ring_fx00, req->dma_fx00);
	} else if (req && req->ring)
410 411 412 413
		dma_free_coherent(&ha->pdev->dev,
		(req->length + 1) * sizeof(request_t),
		req->ring, req->dma);

414 415 416
	if (req)
		kfree(req->outstanding_cmds);

417 418 419 420
	kfree(req);
	req = NULL;
}

421 422
static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
{
423 424 425 426 427 428
	if (IS_QLAFX00(ha)) {
		if (rsp && rsp->ring)
			dma_free_coherent(&ha->pdev->dev,
			    (rsp->length_fx00 + 1) * sizeof(request_t),
			    rsp->ring_fx00, rsp->dma_fx00);
	} else if (rsp && rsp->ring) {
429 430 431
		dma_free_coherent(&ha->pdev->dev,
		(rsp->length + 1) * sizeof(response_t),
		rsp->ring, rsp->dma);
432
	}
433 434 435 436
	kfree(rsp);
	rsp = NULL;
}

437 438 439 440 441
static void qla2x00_free_queues(struct qla_hw_data *ha)
{
	struct req_que *req;
	struct rsp_que *rsp;
	int cnt;
442
	unsigned long flags;
443

444
	spin_lock_irqsave(&ha->hardware_lock, flags);
445
	for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
Q
Quinn Tran 已提交
446 447 448
		if (!test_bit(cnt, ha->req_qid_map))
			continue;

449
		req = ha->req_q_map[cnt];
450 451 452 453
		clear_bit(cnt, ha->req_qid_map);
		ha->req_q_map[cnt] = NULL;

		spin_unlock_irqrestore(&ha->hardware_lock, flags);
454
		qla2x00_free_req_que(ha, req);
455
		spin_lock_irqsave(&ha->hardware_lock, flags);
456
	}
457 458
	spin_unlock_irqrestore(&ha->hardware_lock, flags);

459 460
	kfree(ha->req_q_map);
	ha->req_q_map = NULL;
461

462 463

	spin_lock_irqsave(&ha->hardware_lock, flags);
464
	for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
Q
Quinn Tran 已提交
465 466 467
		if (!test_bit(cnt, ha->rsp_qid_map))
			continue;

468
		rsp = ha->rsp_q_map[cnt];
469 470 471
		clear_bit(cnt, ha->req_qid_map);
		ha->rsp_q_map[cnt] =  NULL;
		spin_unlock_irqrestore(&ha->hardware_lock, flags);
472
		qla2x00_free_rsp_que(ha, rsp);
473
		spin_lock_irqsave(&ha->hardware_lock, flags);
474
	}
475 476
	spin_unlock_irqrestore(&ha->hardware_lock, flags);

477 478
	kfree(ha->rsp_q_map);
	ha->rsp_q_map = NULL;
479 480
}

L
Linus Torvalds 已提交
481
static char *
482
qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
L
Linus Torvalds 已提交
483
{
484
	struct qla_hw_data *ha = vha->hw;
L
Linus Torvalds 已提交
485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504
	static char *pci_bus_modes[] = {
		"33", "66", "100", "133",
	};
	uint16_t pci_bus;

	strcpy(str, "PCI");
	pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
	if (pci_bus) {
		strcat(str, "-X (");
		strcat(str, pci_bus_modes[pci_bus]);
	} else {
		pci_bus = (ha->pci_attr & BIT_8) >> 8;
		strcat(str, " (");
		strcat(str, pci_bus_modes[pci_bus]);
	}
	strcat(str, " MHz)");

	return (str);
}

505
static char *
506
qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
507 508
{
	static char *pci_bus_modes[] = { "33", "66", "100", "133", };
509
	struct qla_hw_data *ha = vha->hw;
510 511
	uint32_t pci_bus;

512
	if (pci_is_pcie(ha->pdev)) {
513
		char lwstr[6];
514
		uint32_t lstat, lspeed, lwidth;
515

516 517 518
		pcie_capability_read_dword(ha->pdev, PCI_EXP_LNKCAP, &lstat);
		lspeed = lstat & PCI_EXP_LNKCAP_SLS;
		lwidth = (lstat & PCI_EXP_LNKCAP_MLW) >> 4;
519 520

		strcpy(str, "PCIe (");
521 522
		switch (lspeed) {
		case 1:
523
			strcat(str, "2.5GT/s ");
524 525
			break;
		case 2:
526
			strcat(str, "5.0GT/s ");
527 528 529 530 531
			break;
		case 3:
			strcat(str, "8.0GT/s ");
			break;
		default:
532
			strcat(str, "<unknown> ");
533 534
			break;
		}
535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559
		snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
		strcat(str, lwstr);

		return str;
	}

	strcpy(str, "PCI");
	pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
	if (pci_bus == 0 || pci_bus == 8) {
		strcat(str, " (");
		strcat(str, pci_bus_modes[pci_bus >> 3]);
	} else {
		strcat(str, "-X ");
		if (pci_bus & BIT_2)
			strcat(str, "Mode 2");
		else
			strcat(str, "Mode 1");
		strcat(str, " (");
		strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
	}
	strcat(str, " MHz)");

	return str;
}

560
static char *
561
qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
L
Linus Torvalds 已提交
562 563
{
	char un_str[10];
564
	struct qla_hw_data *ha = vha->hw;
A
Andrew Vasquez 已提交
565

566 567
	snprintf(str, size, "%d.%02d.%02d ", ha->fw_major_version,
	    ha->fw_minor_version, ha->fw_subminor_version);
L
Linus Torvalds 已提交
568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597

	if (ha->fw_attributes & BIT_9) {
		strcat(str, "FLX");
		return (str);
	}

	switch (ha->fw_attributes & 0xFF) {
	case 0x7:
		strcat(str, "EF");
		break;
	case 0x17:
		strcat(str, "TP");
		break;
	case 0x37:
		strcat(str, "IP");
		break;
	case 0x77:
		strcat(str, "VI");
		break;
	default:
		sprintf(un_str, "(%x)", ha->fw_attributes);
		strcat(str, un_str);
		break;
	}
	if (ha->fw_attributes & 0x100)
		strcat(str, "X");

	return (str);
}

598
static char *
599
qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
600
{
601
	struct qla_hw_data *ha = vha->hw;
602

603
	snprintf(str, size, "%d.%02d.%02d (%x)", ha->fw_major_version,
604
	    ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
605 606 607
	return str;
}

608 609
void
qla2x00_sp_free_dma(void *vha, void *ptr)
610
{
611 612 613 614
	srb_t *sp = (srb_t *)ptr;
	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
	struct qla_hw_data *ha = sp->fcport->vha->hw;
	void *ctx = GET_CMD_CTX_SP(sp);
615

616 617 618
	if (sp->flags & SRB_DMA_VALID) {
		scsi_dma_unmap(cmd);
		sp->flags &= ~SRB_DMA_VALID;
619
	}
620

621 622 623 624 625 626 627 628
	if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
		dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
		    scsi_prot_sg_count(cmd), cmd->sc_data_direction);
		sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
	}

	if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
		/* List assured to be having elements */
629
		qla2x00_clean_dsd_pool(ha, sp, NULL);
630 631 632 633 634 635 636 637 638 639 640
		sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
	}

	if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
		dma_pool_free(ha->dl_dma_pool, ctx,
		    ((struct crc_context *)ctx)->crc_ctx_dma);
		sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
	}

	if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
		struct ct6_dsd *ctx1 = (struct ct6_dsd *)ctx;
641

642 643 644 645 646 647 648 649 650 651
		dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
			ctx1->fcp_cmnd_dma);
		list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list);
		ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt;
		ha->gbl_dsd_avail += ctx1->dsd_use_cnt;
		mempool_free(ctx1, ha->ctx_mempool);
		ctx1 = NULL;
	}

	CMD_SP(cmd) = NULL;
652
	qla2x00_rel_sp(sp->fcport->vha, sp);
653 654
}

655
void
656 657 658 659 660 661 662 663 664 665 666 667 668
qla2x00_sp_compl(void *data, void *ptr, int res)
{
	struct qla_hw_data *ha = (struct qla_hw_data *)data;
	srb_t *sp = (srb_t *)ptr;
	struct scsi_cmnd *cmd = GET_CMD_SP(sp);

	cmd->result = res;

	if (atomic_read(&sp->ref_count) == 0) {
		ql_dbg(ql_dbg_io, sp->fcport->vha, 0x3015,
		    "SP reference-count to ZERO -- sp=%p cmd=%p.\n",
		    sp, GET_CMD_SP(sp));
		if (ql2xextended_error_logging & ql_dbg_io)
669
			WARN_ON(atomic_read(&sp->ref_count) == 0);
670 671 672 673 674 675 676
		return;
	}
	if (!atomic_dec_and_test(&sp->ref_count))
		return;

	qla2x00_sp_free_dma(ha, sp);
	cmd->scsi_done(cmd);
677 678
}

679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747
void
qla2xxx_qpair_sp_free_dma(void *vha, void *ptr)
{
	srb_t *sp = (srb_t *)ptr;
	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
	struct qla_hw_data *ha = sp->fcport->vha->hw;
	void *ctx = GET_CMD_CTX_SP(sp);

	if (sp->flags & SRB_DMA_VALID) {
		scsi_dma_unmap(cmd);
		sp->flags &= ~SRB_DMA_VALID;
	}

	if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
		dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
		    scsi_prot_sg_count(cmd), cmd->sc_data_direction);
		sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
	}

	if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
		/* List assured to be having elements */
		qla2x00_clean_dsd_pool(ha, sp, NULL);
		sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
	}

	if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
		dma_pool_free(ha->dl_dma_pool, ctx,
		    ((struct crc_context *)ctx)->crc_ctx_dma);
		sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
	}

	if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
		struct ct6_dsd *ctx1 = (struct ct6_dsd *)ctx;

		dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
		    ctx1->fcp_cmnd_dma);
		list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list);
		ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt;
		ha->gbl_dsd_avail += ctx1->dsd_use_cnt;
		mempool_free(ctx1, ha->ctx_mempool);
	}

	CMD_SP(cmd) = NULL;
	qla2xxx_rel_qpair_sp(sp->qpair, sp);
}

void
qla2xxx_qpair_sp_compl(void *data, void *ptr, int res)
{
	srb_t *sp = (srb_t *)ptr;
	struct scsi_cmnd *cmd = GET_CMD_SP(sp);

	cmd->result = res;

	if (atomic_read(&sp->ref_count) == 0) {
		ql_dbg(ql_dbg_io, sp->fcport->vha, 0x3079,
		    "SP reference-count to ZERO -- sp=%p cmd=%p.\n",
		    sp, GET_CMD_SP(sp));
		if (ql2xextended_error_logging & ql_dbg_io)
			WARN_ON(atomic_read(&sp->ref_count) == 0);
		return;
	}
	if (!atomic_dec_and_test(&sp->ref_count))
		return;

	qla2xxx_qpair_sp_free_dma(sp->fcport->vha, sp);
	cmd->scsi_done(cmd);
}

748 749 750
/* If we are SP1 here, we need to still take and release the host_lock as SP1
 * does not have the changes necessary to avoid taking host->host_lock.
 */
L
Linus Torvalds 已提交
751
static int
752
qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
753
{
754
	scsi_qla_host_t *vha = shost_priv(host);
755
	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
756
	struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
757 758
	struct qla_hw_data *ha = vha->hw;
	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
759 760
	srb_t *sp;
	int rval;
761 762 763
	struct qla_qpair *qpair = NULL;
	uint32_t tag;
	uint16_t hwq;
764

765 766 767 768 769
	if (unlikely(test_bit(UNLOADING, &base_vha->dpc_flags))) {
		cmd->result = DID_NO_CONNECT << 16;
		goto qc24_fail_command;
	}

770 771 772 773 774 775 776 777 778 779 780
	if (ha->mqenable) {
		if (shost_use_blk_mq(vha->host)) {
			tag = blk_mq_unique_tag(cmd->request);
			hwq = blk_mq_unique_tag_to_hwq(tag);
			qpair = ha->queue_pair_map[hwq];
		} else if (vha->vp_idx && vha->qpair) {
			qpair = vha->qpair;
		}

		if (qpair)
			return qla2xxx_mqueuecommand(host, cmd, qpair);
781 782
	}

783
	if (ha->flags.eeh_busy) {
784
		if (ha->flags.pci_channel_io_perm_failure) {
785
			ql_dbg(ql_dbg_aer, vha, 0x9010,
786 787
			    "PCI Channel IO permanent failure, exiting "
			    "cmd=%p.\n", cmd);
788
			cmd->result = DID_NO_CONNECT << 16;
789
		} else {
790
			ql_dbg(ql_dbg_aer, vha, 0x9011,
791
			    "EEH_Busy, Requeuing the cmd=%p.\n", cmd);
792
			cmd->result = DID_REQUEUE << 16;
793
		}
794 795 796
		goto qc24_fail_command;
	}

797 798 799
	rval = fc_remote_port_chkready(rport);
	if (rval) {
		cmd->result = rval;
800
		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3003,
801 802
		    "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
		    cmd, rval);
803 804 805
		goto qc24_fail_command;
	}

806 807
	if (!vha->flags.difdix_supported &&
		scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
808 809 810
			ql_dbg(ql_dbg_io, vha, 0x3004,
			    "DIF Cap not reg, fail DIF capable cmd's:%p.\n",
			    cmd);
811 812 813
			cmd->result = DID_NO_CONNECT << 16;
			goto qc24_fail_command;
	}
814 815 816 817 818 819

	if (!fcport) {
		cmd->result = DID_NO_CONNECT << 16;
		goto qc24_fail_command;
	}

820 821
	if (atomic_read(&fcport->state) != FCS_ONLINE) {
		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
822
			atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
823 824 825 826
			ql_dbg(ql_dbg_io, vha, 0x3005,
			    "Returning DNC, fcport_state=%d loop_state=%d.\n",
			    atomic_read(&fcport->state),
			    atomic_read(&base_vha->loop_state));
827 828 829
			cmd->result = DID_NO_CONNECT << 16;
			goto qc24_fail_command;
		}
830
		goto qc24_target_busy;
831 832
	}

833 834 835 836
	/*
	 * Return target busy if we've received a non-zero retry_delay_timer
	 * in a FCP_RSP.
	 */
837 838 839
	if (fcport->retry_delay_timestamp == 0) {
		/* retry delay not set */
	} else if (time_after(jiffies, fcport->retry_delay_timestamp))
840 841 842 843
		fcport->retry_delay_timestamp = 0;
	else
		goto qc24_target_busy;

844
	sp = qla2x00_get_sp(vha, fcport, GFP_ATOMIC);
845
	if (!sp)
846
		goto qc24_host_busy;
847

848 849 850 851 852 853 854
	sp->u.scmd.cmd = cmd;
	sp->type = SRB_SCSI_CMD;
	atomic_set(&sp->ref_count, 1);
	CMD_SP(cmd) = (void *)sp;
	sp->free = qla2x00_sp_free_dma;
	sp->done = qla2x00_sp_compl;

855
	rval = ha->isp_ops->start_scsi(sp);
856
	if (rval != QLA_SUCCESS) {
857
		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3013,
858
		    "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
859
		goto qc24_host_busy_free_sp;
860
	}
861 862 863 864

	return 0;

qc24_host_busy_free_sp:
865
	qla2x00_sp_free_dma(ha, sp);
866

867
qc24_host_busy:
868 869
	return SCSI_MLQUEUE_HOST_BUSY;

870 871 872
qc24_target_busy:
	return SCSI_MLQUEUE_TARGET_BUSY;

873
qc24_fail_command:
874
	cmd->scsi_done(cmd);
875 876 877 878

	return 0;
}

879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967
/* For MQ supported I/O */
int
qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd,
    struct qla_qpair *qpair)
{
	scsi_qla_host_t *vha = shost_priv(host);
	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
	struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
	struct qla_hw_data *ha = vha->hw;
	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
	srb_t *sp;
	int rval;

	rval = fc_remote_port_chkready(rport);
	if (rval) {
		cmd->result = rval;
		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3076,
		    "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
		    cmd, rval);
		goto qc24_fail_command;
	}

	if (!fcport) {
		cmd->result = DID_NO_CONNECT << 16;
		goto qc24_fail_command;
	}

	if (atomic_read(&fcport->state) != FCS_ONLINE) {
		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
			atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
			ql_dbg(ql_dbg_io, vha, 0x3077,
			    "Returning DNC, fcport_state=%d loop_state=%d.\n",
			    atomic_read(&fcport->state),
			    atomic_read(&base_vha->loop_state));
			cmd->result = DID_NO_CONNECT << 16;
			goto qc24_fail_command;
		}
		goto qc24_target_busy;
	}

	/*
	 * Return target busy if we've received a non-zero retry_delay_timer
	 * in a FCP_RSP.
	 */
	if (fcport->retry_delay_timestamp == 0) {
		/* retry delay not set */
	} else if (time_after(jiffies, fcport->retry_delay_timestamp))
		fcport->retry_delay_timestamp = 0;
	else
		goto qc24_target_busy;

	sp = qla2xxx_get_qpair_sp(qpair, fcport, GFP_ATOMIC);
	if (!sp)
		goto qc24_host_busy;

	sp->u.scmd.cmd = cmd;
	sp->type = SRB_SCSI_CMD;
	atomic_set(&sp->ref_count, 1);
	CMD_SP(cmd) = (void *)sp;
	sp->free = qla2xxx_qpair_sp_free_dma;
	sp->done = qla2xxx_qpair_sp_compl;
	sp->qpair = qpair;

	rval = ha->isp_ops->start_scsi_mq(sp);
	if (rval != QLA_SUCCESS) {
		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3078,
		    "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
		if (rval == QLA_INTERFACE_ERROR)
			goto qc24_fail_command;
		goto qc24_host_busy_free_sp;
	}

	return 0;

qc24_host_busy_free_sp:
	qla2xxx_qpair_sp_free_dma(vha, sp);

qc24_host_busy:
	return SCSI_MLQUEUE_HOST_BUSY;

qc24_target_busy:
	return SCSI_MLQUEUE_TARGET_BUSY;

qc24_fail_command:
	cmd->scsi_done(cmd);

	return 0;
}

L
Linus Torvalds 已提交
968 969 970 971 972 973 974 975 976 977 978 979 980
/*
 * qla2x00_eh_wait_on_command
 *    Waits for the command to be returned by the Firmware for some
 *    max time.
 *
 * Input:
 *    cmd = Scsi Command to wait on.
 *
 * Return:
 *    Not Found : 0
 *    Found : 1
 */
static int
981
qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
L
Linus Torvalds 已提交
982
{
983
#define ABORT_POLLING_PERIOD	1000
984
#define ABORT_WAIT_ITER		((2 * 1000) / (ABORT_POLLING_PERIOD))
已提交
985
	unsigned long wait_iter = ABORT_WAIT_ITER;
986 987
	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
	struct qla_hw_data *ha = vha->hw;
已提交
988
	int ret = QLA_SUCCESS;
L
Linus Torvalds 已提交
989

990
	if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) {
991 992
		ql_dbg(ql_dbg_taskm, vha, 0x8005,
		    "Return:eh_wait.\n");
993 994 995
		return ret;
	}

996
	while (CMD_SP(cmd) && wait_iter--) {
997
		msleep(ABORT_POLLING_PERIOD);
已提交
998 999 1000
	}
	if (CMD_SP(cmd))
		ret = QLA_FUNCTION_FAILED;
L
Linus Torvalds 已提交
1001

已提交
1002
	return ret;
L
Linus Torvalds 已提交
1003 1004 1005 1006
}

/*
 * qla2x00_wait_for_hba_online
A
Andrew Vasquez 已提交
1007
 *    Wait till the HBA is online after going through
L
Linus Torvalds 已提交
1008 1009 1010 1011 1012
 *    <= MAX_RETRIES_OF_ISP_ABORT  or
 *    finally HBA is disabled ie marked offline
 *
 * Input:
 *     ha - pointer to host adapter structure
A
Andrew Vasquez 已提交
1013 1014
 *
 * Note:
L
Linus Torvalds 已提交
1015 1016 1017 1018 1019 1020 1021
 *    Does context switching-Release SPIN_LOCK
 *    (if any) before calling this routine.
 *
 * Return:
 *    Success (Adapter is online) : 0
 *    Failed  (Adapter is offline/disabled) : 1
 */
1022
int
1023
qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
L
Linus Torvalds 已提交
1024
{
1025 1026
	int		return_status;
	unsigned long	wait_online;
1027 1028
	struct qla_hw_data *ha = vha->hw;
	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
L
Linus Torvalds 已提交
1029

A
Andrew Vasquez 已提交
1030
	wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1031 1032 1033 1034
	while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
	    test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
	    test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
	    ha->dpc_active) && time_before(jiffies, wait_online)) {
L
Linus Torvalds 已提交
1035 1036 1037

		msleep(1000);
	}
1038
	if (base_vha->flags.online)
A
Andrew Vasquez 已提交
1039
		return_status = QLA_SUCCESS;
L
Linus Torvalds 已提交
1040 1041 1042 1043 1044 1045
	else
		return_status = QLA_FUNCTION_FAILED;

	return (return_status);
}

1046
/*
1047 1048
 * qla2x00_wait_for_hba_ready
 * Wait till the HBA is ready before doing driver unload
1049 1050 1051 1052 1053 1054 1055 1056 1057
 *
 * Input:
 *     ha - pointer to host adapter structure
 *
 * Note:
 *    Does context switching-Release SPIN_LOCK
 *    (if any) before calling this routine.
 *
 */
1058 1059
static void
qla2x00_wait_for_hba_ready(scsi_qla_host_t *vha)
1060 1061
{
	struct qla_hw_data *ha = vha->hw;
1062
	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1063

1064 1065 1066 1067 1068 1069
	while ((qla2x00_reset_active(vha) || ha->dpc_active ||
		ha->flags.mbox_busy) ||
	       test_bit(FX00_RESET_RECOVERY, &vha->dpc_flags) ||
	       test_bit(FX00_TARGET_SCAN, &vha->dpc_flags)) {
		if (test_bit(UNLOADING, &base_vha->dpc_flags))
			break;
1070
		msleep(1000);
1071
	}
1072 1073
}

1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101
int
qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
{
	int		return_status;
	unsigned long	wait_reset;
	struct qla_hw_data *ha = vha->hw;
	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);

	wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
	while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
	    test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
	    test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
	    ha->dpc_active) && time_before(jiffies, wait_reset)) {

		msleep(1000);

		if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
		    ha->flags.chip_reset_done)
			break;
	}
	if (ha->flags.chip_reset_done)
		return_status = QLA_SUCCESS;
	else
		return_status = QLA_FUNCTION_FAILED;

	return return_status;
}

1102 1103 1104 1105 1106 1107
static void
sp_get(struct srb *sp)
{
	atomic_inc(&sp->ref_count);
}

1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131
#define ISP_REG_DISCONNECT 0xffffffffU
/**************************************************************************
* qla2x00_isp_reg_stat
*
* Description:
*	Read the host status register of ISP before aborting the command.
*
* Input:
*	ha = pointer to host adapter structure.
*
*
* Returns:
*	Either true or false.
*
* Note:	Return true if there is register disconnect.
**************************************************************************/
static inline
uint32_t qla2x00_isp_reg_stat(struct qla_hw_data *ha)
{
	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;

	return ((RD_REG_DWORD(&reg->host_status)) == ISP_REG_DISCONNECT);
}

L
Linus Torvalds 已提交
1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144
/**************************************************************************
* qla2xxx_eh_abort
*
* Description:
*    The abort function will abort the specified command.
*
* Input:
*    cmd = Linux SCSI command packet to be aborted.
*
* Returns:
*    Either SUCCESS or FAILED.
*
* Note:
1145
*    Only return FAILED if command not returned by firmware.
L
Linus Torvalds 已提交
1146
**************************************************************************/
1147
static int
L
Linus Torvalds 已提交
1148 1149
qla2xxx_eh_abort(struct scsi_cmnd *cmd)
{
1150
	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
已提交
1151
	srb_t *sp;
1152
	int ret;
H
Hannes Reinecke 已提交
1153 1154
	unsigned int id;
	uint64_t lun;
1155
	unsigned long flags;
1156
	int rval, wait = 0;
1157
	struct qla_hw_data *ha = vha->hw;
L
Linus Torvalds 已提交
1158

1159 1160 1161 1162 1163
	if (qla2x00_isp_reg_stat(ha)) {
		ql_log(ql_log_info, vha, 0x8042,
		    "PCI/Register disconnect, exiting.\n");
		return FAILED;
	}
已提交
1164
	if (!CMD_SP(cmd))
1165
		return SUCCESS;
L
Linus Torvalds 已提交
1166

1167 1168 1169 1170 1171
	ret = fc_block_scsi_eh(cmd);
	if (ret != 0)
		return ret;
	ret = SUCCESS;

已提交
1172 1173
	id = cmd->device->id;
	lun = cmd->device->lun;
L
Linus Torvalds 已提交
1174

1175
	spin_lock_irqsave(&ha->hardware_lock, flags);
1176 1177 1178 1179 1180
	sp = (srb_t *) CMD_SP(cmd);
	if (!sp) {
		spin_unlock_irqrestore(&ha->hardware_lock, flags);
		return SUCCESS;
	}
L
Linus Torvalds 已提交
1181

1182
	ql_dbg(ql_dbg_taskm, vha, 0x8002,
1183 1184
	    "Aborting from RISC nexus=%ld:%d:%llu sp=%p cmd=%p handle=%x\n",
	    vha->host_no, id, lun, sp, cmd, sp->handle);
1185

1186 1187
	/* Get a reference to the sp and drop the lock.*/
	sp_get(sp);
1188

1189
	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1190 1191
	rval = ha->isp_ops->abort_command(sp);
	if (rval) {
1192
		if (rval == QLA_FUNCTION_PARAMETER_ERROR)
1193
			ret = SUCCESS;
1194
		else
1195 1196
			ret = FAILED;

1197
		ql_dbg(ql_dbg_taskm, vha, 0x8003,
1198
		    "Abort command mbx failed cmd=%p, rval=%x.\n", cmd, rval);
1199
	} else {
1200
		ql_dbg(ql_dbg_taskm, vha, 0x8004,
1201
		    "Abort command mbx success cmd=%p.\n", cmd);
1202 1203
		wait = 1;
	}
1204 1205

	spin_lock_irqsave(&ha->hardware_lock, flags);
1206
	sp->done(ha, sp, 0);
1207
	spin_unlock_irqrestore(&ha->hardware_lock, flags);
L
Linus Torvalds 已提交
1208

1209 1210 1211 1212
	/* Did the command return during mailbox execution? */
	if (ret == FAILED && !CMD_SP(cmd))
		ret = SUCCESS;

已提交
1213
	/* Wait for the command to be returned. */
1214
	if (wait) {
1215
		if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
1216
			ql_log(ql_log_warn, vha, 0x8006,
1217
			    "Abort handler timed out cmd=%p.\n", cmd);
1218
			ret = FAILED;
已提交
1219
		}
L
Linus Torvalds 已提交
1220 1221
	}

1222
	ql_log(ql_log_info, vha, 0x801c,
H
Hannes Reinecke 已提交
1223
	    "Abort command issued nexus=%ld:%d:%llu --  %d %x.\n",
1224
	    vha->host_no, id, lun, wait, ret);
L
Linus Torvalds 已提交
1225

已提交
1226 1227
	return ret;
}
L
Linus Torvalds 已提交
1228

1229
int
1230
qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
H
Hannes Reinecke 已提交
1231
	uint64_t l, enum nexus_wait_type type)
已提交
1232
{
1233
	int cnt, match, status;
1234
	unsigned long flags;
1235
	struct qla_hw_data *ha = vha->hw;
1236
	struct req_que *req;
1237
	srb_t *sp;
1238
	struct scsi_cmnd *cmd;
L
Linus Torvalds 已提交
1239

1240
	status = QLA_SUCCESS;
1241

1242
	spin_lock_irqsave(&ha->hardware_lock, flags);
1243
	req = vha->req;
1244
	for (cnt = 1; status == QLA_SUCCESS &&
1245
		cnt < req->num_outstanding_cmds; cnt++) {
1246 1247
		sp = req->outstanding_cmds[cnt];
		if (!sp)
1248
			continue;
1249
		if (sp->type != SRB_SCSI_CMD)
1250
			continue;
1251 1252 1253
		if (vha->vp_idx != sp->fcport->vha->vp_idx)
			continue;
		match = 0;
1254
		cmd = GET_CMD_SP(sp);
1255 1256 1257 1258 1259
		switch (type) {
		case WAIT_HOST:
			match = 1;
			break;
		case WAIT_TARGET:
1260
			match = cmd->device->id == t;
1261 1262
			break;
		case WAIT_LUN:
1263 1264
			match = (cmd->device->id == t &&
				cmd->device->lun == l);
1265
			break;
1266
		}
1267 1268 1269 1270
		if (!match)
			continue;

		spin_unlock_irqrestore(&ha->hardware_lock, flags);
1271
		status = qla2x00_eh_wait_on_command(cmd);
1272
		spin_lock_irqsave(&ha->hardware_lock, flags);
L
Linus Torvalds 已提交
1273
	}
1274
	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1275 1276

	return status;
L
Linus Torvalds 已提交
1277 1278
}

1279 1280 1281 1282 1283 1284
static char *reset_errors[] = {
	"HBA not online",
	"HBA not ready",
	"Task management failed",
	"Waiting for command completions",
};
L
Linus Torvalds 已提交
1285

1286
static int
1287
__qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
H
Hannes Reinecke 已提交
1288
    struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, uint64_t, int))
L
Linus Torvalds 已提交
1289
{
1290
	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1291
	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1292
	int err;
L
Linus Torvalds 已提交
1293

1294
	if (!fcport) {
1295
		return FAILED;
1296
	}
L
Linus Torvalds 已提交
1297

1298 1299 1300 1301
	err = fc_block_scsi_eh(cmd);
	if (err != 0)
		return err;

1302
	ql_log(ql_log_info, vha, 0x8009,
H
Hannes Reinecke 已提交
1303
	    "%s RESET ISSUED nexus=%ld:%d:%llu cmd=%p.\n", name, vha->host_no,
1304
	    cmd->device->id, cmd->device->lun, cmd);
L
Linus Torvalds 已提交
1305

1306
	err = 0;
1307 1308 1309
	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
		ql_log(ql_log_warn, vha, 0x800a,
		    "Wait for hba online failed for cmd=%p.\n", cmd);
1310
		goto eh_reset_failed;
1311
	}
1312
	err = 2;
1313
	if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
1314 1315 1316
		!= QLA_SUCCESS) {
		ql_log(ql_log_warn, vha, 0x800c,
		    "do_reset failed for cmd=%p.\n", cmd);
1317
		goto eh_reset_failed;
1318
	}
1319
	err = 3;
1320
	if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
1321 1322
	    cmd->device->lun, type) != QLA_SUCCESS) {
		ql_log(ql_log_warn, vha, 0x800d,
1323
		    "wait for pending cmds failed for cmd=%p.\n", cmd);
1324
		goto eh_reset_failed;
1325
	}
1326

1327
	ql_log(ql_log_info, vha, 0x800e,
H
Hannes Reinecke 已提交
1328
	    "%s RESET SUCCEEDED nexus:%ld:%d:%llu cmd=%p.\n", name,
1329
	    vha->host_no, cmd->device->id, cmd->device->lun, cmd);
1330 1331 1332

	return SUCCESS;

1333
eh_reset_failed:
1334
	ql_log(ql_log_info, vha, 0x800f,
H
Hannes Reinecke 已提交
1335
	    "%s RESET FAILED: %s nexus=%ld:%d:%llu cmd=%p.\n", name,
1336 1337
	    reset_errors[err], vha->host_no, cmd->device->id, cmd->device->lun,
	    cmd);
1338 1339
	return FAILED;
}
L
Linus Torvalds 已提交
1340

1341 1342 1343
static int
qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
{
1344 1345
	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
	struct qla_hw_data *ha = vha->hw;
L
Linus Torvalds 已提交
1346

1347 1348 1349 1350 1351 1352
	if (qla2x00_isp_reg_stat(ha)) {
		ql_log(ql_log_info, vha, 0x803e,
		    "PCI/Register disconnect, exiting.\n");
		return FAILED;
	}

1353 1354
	return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
	    ha->isp_ops->lun_reset);
L
Linus Torvalds 已提交
1355 1356 1357
}

static int
1358
qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
L
Linus Torvalds 已提交
1359
{
1360 1361
	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
	struct qla_hw_data *ha = vha->hw;
L
Linus Torvalds 已提交
1362

1363 1364 1365 1366 1367 1368
	if (qla2x00_isp_reg_stat(ha)) {
		ql_log(ql_log_info, vha, 0x803f,
		    "PCI/Register disconnect, exiting.\n");
		return FAILED;
	}

1369 1370
	return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
	    ha->isp_ops->target_reset);
L
Linus Torvalds 已提交
1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387
}

/**************************************************************************
* qla2xxx_eh_bus_reset
*
* Description:
*    The bus reset function will reset the bus and abort any executing
*    commands.
*
* Input:
*    cmd = Linux SCSI command packet of the command that cause the
*          bus reset.
*
* Returns:
*    SUCCESS/FAILURE (defined as macro in scsi.h).
*
**************************************************************************/
1388
static int
L
Linus Torvalds 已提交
1389 1390
qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
{
1391
	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1392
	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1393
	int ret = FAILED;
H
Hannes Reinecke 已提交
1394 1395
	unsigned int id;
	uint64_t lun;
1396 1397 1398 1399 1400 1401 1402
	struct qla_hw_data *ha = vha->hw;

	if (qla2x00_isp_reg_stat(ha)) {
		ql_log(ql_log_info, vha, 0x8040,
		    "PCI/Register disconnect, exiting.\n");
		return FAILED;
	}
已提交
1403 1404 1405

	id = cmd->device->id;
	lun = cmd->device->lun;
L
Linus Torvalds 已提交
1406

1407
	if (!fcport) {
已提交
1408
		return ret;
1409
	}
L
Linus Torvalds 已提交
1410

1411 1412 1413 1414 1415
	ret = fc_block_scsi_eh(cmd);
	if (ret != 0)
		return ret;
	ret = FAILED;

1416
	ql_log(ql_log_info, vha, 0x8012,
H
Hannes Reinecke 已提交
1417
	    "BUS RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
L
Linus Torvalds 已提交
1418

1419
	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1420 1421
		ql_log(ql_log_fatal, vha, 0x8013,
		    "Wait for hba online failed board disabled.\n");
已提交
1422
		goto eh_bus_reset_done;
L
Linus Torvalds 已提交
1423 1424
	}

1425 1426 1427
	if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
		ret = SUCCESS;

已提交
1428 1429
	if (ret == FAILED)
		goto eh_bus_reset_done;
L
Linus Torvalds 已提交
1430

1431
	/* Flush outstanding commands. */
1432
	if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) !=
1433 1434 1435
	    QLA_SUCCESS) {
		ql_log(ql_log_warn, vha, 0x8014,
		    "Wait for pending commands failed.\n");
1436
		ret = FAILED;
1437
	}
L
Linus Torvalds 已提交
1438

已提交
1439
eh_bus_reset_done:
1440
	ql_log(ql_log_warn, vha, 0x802b,
H
Hannes Reinecke 已提交
1441
	    "BUS RESET %s nexus=%ld:%d:%llu.\n",
1442
	    (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
L
Linus Torvalds 已提交
1443

已提交
1444
	return ret;
L
Linus Torvalds 已提交
1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461
}

/**************************************************************************
* qla2xxx_eh_host_reset
*
* Description:
*    The reset function will reset the Adapter.
*
* Input:
*      cmd = Linux SCSI command packet of the command that cause the
*            adapter reset.
*
* Returns:
*      Either SUCCESS or FAILED.
*
* Note:
**************************************************************************/
1462
static int
L
Linus Torvalds 已提交
1463 1464
qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
{
1465 1466
	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
	struct qla_hw_data *ha = vha->hw;
1467
	int ret = FAILED;
H
Hannes Reinecke 已提交
1468 1469
	unsigned int id;
	uint64_t lun;
1470
	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
L
Linus Torvalds 已提交
1471

1472 1473 1474 1475 1476 1477 1478
	if (qla2x00_isp_reg_stat(ha)) {
		ql_log(ql_log_info, vha, 0x8041,
		    "PCI/Register disconnect, exiting.\n");
		schedule_work(&ha->board_disable);
		return SUCCESS;
	}

已提交
1479 1480 1481
	id = cmd->device->id;
	lun = cmd->device->lun;

1482
	ql_log(ql_log_info, vha, 0x8018,
H
Hannes Reinecke 已提交
1483
	    "ADAPTER RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
L
Linus Torvalds 已提交
1484

1485 1486 1487 1488 1489
	/*
	 * No point in issuing another reset if one is active.  Also do not
	 * attempt a reset if we are updating flash.
	 */
	if (qla2x00_reset_active(vha) || ha->optrom_state != QLA_SWAITING)
已提交
1490
		goto eh_host_reset_lock;
L
Linus Torvalds 已提交
1491

1492 1493
	if (vha != base_vha) {
		if (qla2x00_vp_abort_isp(vha))
已提交
1494
			goto eh_host_reset_lock;
1495
	} else {
1496
		if (IS_P3P_TYPE(vha->hw)) {
1497 1498 1499 1500 1501 1502 1503
			if (!qla82xx_fcoe_ctx_reset(vha)) {
				/* Ctx reset success */
				ret = SUCCESS;
				goto eh_host_reset_lock;
			}
			/* fall thru if ctx reset failed */
		}
1504 1505 1506
		if (ha->wq)
			flush_workqueue(ha->wq);

1507
		set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1508
		if (ha->isp_ops->abort_isp(base_vha)) {
1509 1510 1511 1512
			clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
			/* failed. schedule dpc to try */
			set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);

1513 1514 1515
			if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
				ql_log(ql_log_warn, vha, 0x802a,
				    "wait for hba online failed.\n");
1516
				goto eh_host_reset_lock;
1517
			}
1518 1519
		}
		clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
A
Andrew Vasquez 已提交
1520
	}
L
Linus Torvalds 已提交
1521

1522
	/* Waiting for command to be returned to OS.*/
1523
	if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) ==
1524
		QLA_SUCCESS)
已提交
1525
		ret = SUCCESS;
L
Linus Torvalds 已提交
1526

已提交
1527
eh_host_reset_lock:
1528
	ql_log(ql_log_info, vha, 0x8017,
H
Hannes Reinecke 已提交
1529
	    "ADAPTER RESET %s nexus=%ld:%d:%llu.\n",
1530
	    (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
L
Linus Torvalds 已提交
1531

已提交
1532 1533
	return ret;
}
L
Linus Torvalds 已提交
1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544

/*
* qla2x00_loop_reset
*      Issue loop reset.
*
* Input:
*      ha = adapter block pointer.
*
* Returns:
*      0 = success
*/
1545
int
1546
qla2x00_loop_reset(scsi_qla_host_t *vha)
L
Linus Torvalds 已提交
1547
{
1548
	int ret;
1549
	struct fc_port *fcport;
1550
	struct qla_hw_data *ha = vha->hw;
L
Linus Torvalds 已提交
1551

1552 1553 1554 1555
	if (IS_QLAFX00(ha)) {
		return qlafx00_loop_reset(vha);
	}

1556
	if (ql2xtargetreset == 1 && ha->flags.enable_target_reset) {
1557 1558 1559 1560 1561 1562
		list_for_each_entry(fcport, &vha->vp_fcports, list) {
			if (fcport->port_type != FCT_TARGET)
				continue;

			ret = ha->isp_ops->target_reset(fcport, 0, 0);
			if (ret != QLA_SUCCESS) {
1563
				ql_dbg(ql_dbg_taskm, vha, 0x802c,
1564
				    "Bus Reset failed: Reset=%d "
1565
				    "d_id=%x.\n", ret, fcport->d_id.b24);
1566 1567 1568 1569
			}
		}
	}

1570

1571
	if (ha->flags.enable_lip_full_login && !IS_CNA_CAPABLE(ha)) {
1572 1573 1574
		atomic_set(&vha->loop_state, LOOP_DOWN);
		atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
		qla2x00_mark_all_devices_lost(vha, 0);
1575
		ret = qla2x00_full_login_lip(vha);
1576
		if (ret != QLA_SUCCESS) {
1577 1578
			ql_dbg(ql_dbg_taskm, vha, 0x802d,
			    "full_login_lip=%d.\n", ret);
1579
		}
1580 1581
	}

1582
	if (ha->flags.enable_lip_reset) {
1583
		ret = qla2x00_lip_reset(vha);
1584
		if (ret != QLA_SUCCESS)
1585 1586
			ql_dbg(ql_dbg_taskm, vha, 0x802e,
			    "lip_reset failed (%d).\n", ret);
L
Linus Torvalds 已提交
1587 1588 1589
	}

	/* Issue marker command only when we are going to start the I/O */
1590
	vha->marker_needed = 1;
L
Linus Torvalds 已提交
1591

1592
	return QLA_SUCCESS;
L
Linus Torvalds 已提交
1593 1594
}

1595
void
1596
qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1597
{
1598
	int que, cnt;
1599 1600
	unsigned long flags;
	srb_t *sp;
1601
	struct qla_hw_data *ha = vha->hw;
1602
	struct req_que *req;
1603

1604 1605
	qlt_host_reset_handler(ha);

1606
	spin_lock_irqsave(&ha->hardware_lock, flags);
1607
	for (que = 0; que < ha->max_req_queues; que++) {
1608
		req = ha->req_q_map[que];
1609 1610
		if (!req)
			continue;
1611 1612 1613
		if (!req->outstanding_cmds)
			continue;
		for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
1614
			sp = req->outstanding_cmds[cnt];
1615
			if (sp) {
1616 1617
				/* Don't abort commands in adapter during EEH
				 * recovery as it's not accessible/responding.
1618
				 */
1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629
				if (!ha->flags.eeh_busy) {
					/* Get a reference to the sp and drop the lock.
					 * The reference ensures this sp->done() call
					 * - and not the call in qla2xxx_eh_abort() -
					 * ends the SCSI command (with result 'res').
					 */
					sp_get(sp);
					spin_unlock_irqrestore(&ha->hardware_lock, flags);
					qla2xxx_eh_abort(GET_CMD_SP(sp));
					spin_lock_irqsave(&ha->hardware_lock, flags);
				}
1630
				req->outstanding_cmds[cnt] = NULL;
1631
				sp->done(vha, sp, res);
1632
			}
1633 1634 1635 1636 1637
		}
	}
	spin_unlock_irqrestore(&ha->hardware_lock, flags);
}

已提交
1638 1639
static int
qla2xxx_slave_alloc(struct scsi_device *sdev)
L
Linus Torvalds 已提交
1640
{
1641
	struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
L
Linus Torvalds 已提交
1642

1643
	if (!rport || fc_remote_port_chkready(rport))
已提交
1644
		return -ENXIO;
1645

1646
	sdev->hostdata = *(fc_port_t **)rport->dd_data;
L
Linus Torvalds 已提交
1647

已提交
1648 1649
	return 0;
}
L
Linus Torvalds 已提交
1650

已提交
1651 1652 1653
static int
qla2xxx_slave_configure(struct scsi_device *sdev)
{
1654
	scsi_qla_host_t *vha = shost_priv(sdev->host);
1655
	struct req_que *req = vha->req;
已提交
1656

1657 1658 1659
	if (IS_T10_PI_CAPABLE(vha->hw))
		blk_queue_update_dma_alignment(sdev->request_queue, 0x7);

1660
	scsi_change_queue_depth(sdev, req->max_q_depth);
已提交
1661 1662
	return 0;
}
L
Linus Torvalds 已提交
1663

已提交
1664 1665 1666 1667
static void
qla2xxx_slave_destroy(struct scsi_device *sdev)
{
	sdev->hostdata = NULL;
L
Linus Torvalds 已提交
1668 1669 1670 1671 1672 1673 1674 1675 1676 1677
}

/**
 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
 * @ha: HA context
 *
 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
 * supported addressing method.
 */
static void
1678
qla2x00_config_dma_addressing(struct qla_hw_data *ha)
L
Linus Torvalds 已提交
1679
{
1680
	/* Assume a 32bit DMA mask. */
L
Linus Torvalds 已提交
1681 1682
	ha->flags.enable_64bit_addressing = 0;

1683
	if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1684 1685
		/* Any upper-dword bits set? */
		if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1686
		    !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
1687
			/* Ok, a 64bit DMA mask is applicable. */
L
Linus Torvalds 已提交
1688
			ha->flags.enable_64bit_addressing = 1;
1689 1690
			ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
			ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1691
			return;
L
Linus Torvalds 已提交
1692 1693
		}
	}
1694

1695 1696
	dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
	pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
L
Linus Torvalds 已提交
1697 1698
}

1699
static void
1700
qla2x00_enable_intrs(struct qla_hw_data *ha)
1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714
{
	unsigned long flags = 0;
	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;

	spin_lock_irqsave(&ha->hardware_lock, flags);
	ha->interrupts_on = 1;
	/* enable risc and host interrupts */
	WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
	RD_REG_WORD(&reg->ictrl);
	spin_unlock_irqrestore(&ha->hardware_lock, flags);

}

static void
1715
qla2x00_disable_intrs(struct qla_hw_data *ha)
1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728
{
	unsigned long flags = 0;
	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;

	spin_lock_irqsave(&ha->hardware_lock, flags);
	ha->interrupts_on = 0;
	/* disable risc and host interrupts */
	WRT_REG_WORD(&reg->ictrl, 0);
	RD_REG_WORD(&reg->ictrl);
	spin_unlock_irqrestore(&ha->hardware_lock, flags);
}

static void
1729
qla24xx_enable_intrs(struct qla_hw_data *ha)
1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741
{
	unsigned long flags = 0;
	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;

	spin_lock_irqsave(&ha->hardware_lock, flags);
	ha->interrupts_on = 1;
	WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
	RD_REG_DWORD(&reg->ictrl);
	spin_unlock_irqrestore(&ha->hardware_lock, flags);
}

static void
1742
qla24xx_disable_intrs(struct qla_hw_data *ha)
1743 1744 1745 1746
{
	unsigned long flags = 0;
	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;

1747 1748
	if (IS_NOPOLLING_TYPE(ha))
		return;
1749 1750 1751 1752 1753 1754 1755
	spin_lock_irqsave(&ha->hardware_lock, flags);
	ha->interrupts_on = 0;
	WRT_REG_DWORD(&reg->ictrl, 0);
	RD_REG_DWORD(&reg->ictrl);
	spin_unlock_irqrestore(&ha->hardware_lock, flags);
}

1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816
static int
qla2x00_iospace_config(struct qla_hw_data *ha)
{
	resource_size_t pio;
	uint16_t msix;

	if (pci_request_selected_regions(ha->pdev, ha->bars,
	    QLA2XXX_DRIVER_NAME)) {
		ql_log_pci(ql_log_fatal, ha->pdev, 0x0011,
		    "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
		    pci_name(ha->pdev));
		goto iospace_error_exit;
	}
	if (!(ha->bars & 1))
		goto skip_pio;

	/* We only need PIO for Flash operations on ISP2312 v2 chips. */
	pio = pci_resource_start(ha->pdev, 0);
	if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
		if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
			ql_log_pci(ql_log_warn, ha->pdev, 0x0012,
			    "Invalid pci I/O region size (%s).\n",
			    pci_name(ha->pdev));
			pio = 0;
		}
	} else {
		ql_log_pci(ql_log_warn, ha->pdev, 0x0013,
		    "Region #0 no a PIO resource (%s).\n",
		    pci_name(ha->pdev));
		pio = 0;
	}
	ha->pio_address = pio;
	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0014,
	    "PIO address=%llu.\n",
	    (unsigned long long)ha->pio_address);

skip_pio:
	/* Use MMIO operations for all accesses. */
	if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
		ql_log_pci(ql_log_fatal, ha->pdev, 0x0015,
		    "Region #1 not an MMIO resource (%s), aborting.\n",
		    pci_name(ha->pdev));
		goto iospace_error_exit;
	}
	if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
		ql_log_pci(ql_log_fatal, ha->pdev, 0x0016,
		    "Invalid PCI mem region size (%s), aborting.\n",
		    pci_name(ha->pdev));
		goto iospace_error_exit;
	}

	ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
	if (!ha->iobase) {
		ql_log_pci(ql_log_fatal, ha->pdev, 0x0017,
		    "Cannot remap MMIO (%s), aborting.\n",
		    pci_name(ha->pdev));
		goto iospace_error_exit;
	}

	/* Determine queue resources */
	ha->max_req_queues = ha->max_rsp_queues = 1;
1817
	if (!ql2xmqsupport || (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
1818 1819 1820 1821 1822 1823 1824 1825 1826
		goto mqiobase_exit;

	ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
			pci_resource_len(ha->pdev, 3));
	if (ha->mqiobase) {
		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0018,
		    "MQIO Base=%p.\n", ha->mqiobase);
		/* Read MSIX vector size of the board */
		pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1827
		ha->msix_count = msix + 1;
1828
		/* Max queues are bounded by available msix vectors */
1829 1830 1831 1832 1833 1834 1835 1836
		/* MB interrupt uses 1 vector */
		ha->max_req_queues = ha->msix_count - 1;
		ha->max_rsp_queues = ha->max_req_queues;
		/* Queue pairs is the max value minus the base queue pair */
		ha->max_qpairs = ha->max_rsp_queues - 1;
		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0188,
		    "Max no of queues pairs: %d.\n", ha->max_qpairs);

1837
		ql_log_pci(ql_log_info, ha->pdev, 0x001a,
1838
		    "MSI-X vector count: %d.\n", ha->msix_count);
1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853
	} else
		ql_log_pci(ql_log_info, ha->pdev, 0x001b,
		    "BAR 3 not enabled.\n");

mqiobase_exit:
	ha->msix_count = ha->max_rsp_queues + 1;
	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x001c,
	    "MSIX Count:%d.\n", ha->msix_count);
	return (0);

iospace_error_exit:
	return (-ENOMEM);
}


1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908
static int
qla83xx_iospace_config(struct qla_hw_data *ha)
{
	uint16_t msix;

	if (pci_request_selected_regions(ha->pdev, ha->bars,
	    QLA2XXX_DRIVER_NAME)) {
		ql_log_pci(ql_log_fatal, ha->pdev, 0x0117,
		    "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
		    pci_name(ha->pdev));

		goto iospace_error_exit;
	}

	/* Use MMIO operations for all accesses. */
	if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) {
		ql_log_pci(ql_log_warn, ha->pdev, 0x0118,
		    "Invalid pci I/O region size (%s).\n",
		    pci_name(ha->pdev));
		goto iospace_error_exit;
	}
	if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
		ql_log_pci(ql_log_warn, ha->pdev, 0x0119,
		    "Invalid PCI mem region size (%s), aborting\n",
			pci_name(ha->pdev));
		goto iospace_error_exit;
	}

	ha->iobase = ioremap(pci_resource_start(ha->pdev, 0), MIN_IOBASE_LEN);
	if (!ha->iobase) {
		ql_log_pci(ql_log_fatal, ha->pdev, 0x011a,
		    "Cannot remap MMIO (%s), aborting.\n",
		    pci_name(ha->pdev));
		goto iospace_error_exit;
	}

	/* 64bit PCI BAR - BAR2 will correspoond to region 4 */
	/* 83XX 26XX always use MQ type access for queues
	 * - mbar 2, a.k.a region 4 */
	ha->max_req_queues = ha->max_rsp_queues = 1;
	ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 4),
			pci_resource_len(ha->pdev, 4));

	if (!ha->mqiobase) {
		ql_log_pci(ql_log_fatal, ha->pdev, 0x011d,
		    "BAR2/region4 not enabled\n");
		goto mqiobase_exit;
	}

	ha->msixbase = ioremap(pci_resource_start(ha->pdev, 2),
			pci_resource_len(ha->pdev, 2));
	if (ha->msixbase) {
		/* Read MSIX vector size of the board */
		pci_read_config_word(ha->pdev,
		    QLA_83XX_PCI_MSIX_CONTROL, &msix);
1909
		ha->msix_count = msix + 1;
1910 1911 1912 1913
		/*
		 * By default, driver uses at least two msix vectors
		 * (default & rspq)
		 */
1914 1915 1916 1917
		if (ql2xmqsupport) {
			/* MB interrupt uses 1 vector */
			ha->max_req_queues = ha->msix_count - 1;
			ha->max_rsp_queues = ha->max_req_queues;
1918 1919 1920 1921 1922

			/* ATIOQ needs 1 vector. That's 1 less QPair */
			if (QLA_TGT_MODE_ENABLED())
				ha->max_req_queues--;

1923 1924 1925 1926 1927
			/* Queue pairs is the max value minus
			 * the base queue pair */
			ha->max_qpairs = ha->max_req_queues - 1;
			ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0190,
			    "Max no of queues pairs: %d.\n", ha->max_qpairs);
1928 1929
		}
		ql_log_pci(ql_log_info, ha->pdev, 0x011c,
1930
		    "MSI-X vector count: %d.\n", ha->msix_count);
1931 1932 1933 1934 1935 1936
	} else
		ql_log_pci(ql_log_info, ha->pdev, 0x011e,
		    "BAR 1 not enabled.\n");

mqiobase_exit:
	ha->msix_count = ha->max_rsp_queues + 1;
1937 1938
	if (QLA_TGT_MODE_ENABLED())
		ha->msix_count++;
1939 1940 1941

	qlt_83xx_iospace_config(ha);

1942 1943 1944 1945 1946 1947 1948 1949
	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011f,
	    "MSIX Count:%d.\n", ha->msix_count);
	return 0;

iospace_error_exit:
	return -ENOMEM;
}

1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964
static struct isp_operations qla2100_isp_ops = {
	.pci_config		= qla2100_pci_config,
	.reset_chip		= qla2x00_reset_chip,
	.chip_diag		= qla2x00_chip_diag,
	.config_rings		= qla2x00_config_rings,
	.reset_adapter		= qla2x00_reset_adapter,
	.nvram_config		= qla2x00_nvram_config,
	.update_fw_options	= qla2x00_update_fw_options,
	.load_risc		= qla2x00_load_risc,
	.pci_info_str		= qla2x00_pci_info_str,
	.fw_version_str		= qla2x00_fw_version_str,
	.intr_handler		= qla2100_intr_handler,
	.enable_intrs		= qla2x00_enable_intrs,
	.disable_intrs		= qla2x00_disable_intrs,
	.abort_command		= qla2x00_abort_command,
1965 1966
	.target_reset		= qla2x00_abort_target,
	.lun_reset		= qla2x00_lun_reset,
1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981
	.fabric_login		= qla2x00_login_fabric,
	.fabric_logout		= qla2x00_fabric_logout,
	.calc_req_entries	= qla2x00_calc_iocbs_32,
	.build_iocbs		= qla2x00_build_scsi_iocbs_32,
	.prep_ms_iocb		= qla2x00_prep_ms_iocb,
	.prep_ms_fdmi_iocb	= qla2x00_prep_ms_fdmi_iocb,
	.read_nvram		= qla2x00_read_nvram_data,
	.write_nvram		= qla2x00_write_nvram_data,
	.fw_dump		= qla2100_fw_dump,
	.beacon_on		= NULL,
	.beacon_off		= NULL,
	.beacon_blink		= NULL,
	.read_optrom		= qla2x00_read_optrom_data,
	.write_optrom		= qla2x00_write_optrom_data,
	.get_flash_version	= qla2x00_get_flash_version,
1982
	.start_scsi		= qla2x00_start_scsi,
1983
	.start_scsi_mq          = NULL,
1984
	.abort_isp		= qla2x00_abort_isp,
1985
	.iospace_config     	= qla2x00_iospace_config,
1986
	.initialize_adapter	= qla2x00_initialize_adapter,
1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003
};

static struct isp_operations qla2300_isp_ops = {
	.pci_config		= qla2300_pci_config,
	.reset_chip		= qla2x00_reset_chip,
	.chip_diag		= qla2x00_chip_diag,
	.config_rings		= qla2x00_config_rings,
	.reset_adapter		= qla2x00_reset_adapter,
	.nvram_config		= qla2x00_nvram_config,
	.update_fw_options	= qla2x00_update_fw_options,
	.load_risc		= qla2x00_load_risc,
	.pci_info_str		= qla2x00_pci_info_str,
	.fw_version_str		= qla2x00_fw_version_str,
	.intr_handler		= qla2300_intr_handler,
	.enable_intrs		= qla2x00_enable_intrs,
	.disable_intrs		= qla2x00_disable_intrs,
	.abort_command		= qla2x00_abort_command,
2004 2005
	.target_reset		= qla2x00_abort_target,
	.lun_reset		= qla2x00_lun_reset,
2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020
	.fabric_login		= qla2x00_login_fabric,
	.fabric_logout		= qla2x00_fabric_logout,
	.calc_req_entries	= qla2x00_calc_iocbs_32,
	.build_iocbs		= qla2x00_build_scsi_iocbs_32,
	.prep_ms_iocb		= qla2x00_prep_ms_iocb,
	.prep_ms_fdmi_iocb	= qla2x00_prep_ms_fdmi_iocb,
	.read_nvram		= qla2x00_read_nvram_data,
	.write_nvram		= qla2x00_write_nvram_data,
	.fw_dump		= qla2300_fw_dump,
	.beacon_on		= qla2x00_beacon_on,
	.beacon_off		= qla2x00_beacon_off,
	.beacon_blink		= qla2x00_beacon_blink,
	.read_optrom		= qla2x00_read_optrom_data,
	.write_optrom		= qla2x00_write_optrom_data,
	.get_flash_version	= qla2x00_get_flash_version,
2021
	.start_scsi		= qla2x00_start_scsi,
2022
	.start_scsi_mq          = NULL,
2023
	.abort_isp		= qla2x00_abort_isp,
2024
	.iospace_config		= qla2x00_iospace_config,
2025
	.initialize_adapter	= qla2x00_initialize_adapter,
2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042
};

static struct isp_operations qla24xx_isp_ops = {
	.pci_config		= qla24xx_pci_config,
	.reset_chip		= qla24xx_reset_chip,
	.chip_diag		= qla24xx_chip_diag,
	.config_rings		= qla24xx_config_rings,
	.reset_adapter		= qla24xx_reset_adapter,
	.nvram_config		= qla24xx_nvram_config,
	.update_fw_options	= qla24xx_update_fw_options,
	.load_risc		= qla24xx_load_risc,
	.pci_info_str		= qla24xx_pci_info_str,
	.fw_version_str		= qla24xx_fw_version_str,
	.intr_handler		= qla24xx_intr_handler,
	.enable_intrs		= qla24xx_enable_intrs,
	.disable_intrs		= qla24xx_disable_intrs,
	.abort_command		= qla24xx_abort_command,
2043 2044
	.target_reset		= qla24xx_abort_target,
	.lun_reset		= qla24xx_lun_reset,
2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059
	.fabric_login		= qla24xx_login_fabric,
	.fabric_logout		= qla24xx_fabric_logout,
	.calc_req_entries	= NULL,
	.build_iocbs		= NULL,
	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
	.read_nvram		= qla24xx_read_nvram_data,
	.write_nvram		= qla24xx_write_nvram_data,
	.fw_dump		= qla24xx_fw_dump,
	.beacon_on		= qla24xx_beacon_on,
	.beacon_off		= qla24xx_beacon_off,
	.beacon_blink		= qla24xx_beacon_blink,
	.read_optrom		= qla24xx_read_optrom_data,
	.write_optrom		= qla24xx_write_optrom_data,
	.get_flash_version	= qla24xx_get_flash_version,
2060
	.start_scsi		= qla24xx_start_scsi,
2061
	.start_scsi_mq          = NULL,
2062
	.abort_isp		= qla2x00_abort_isp,
2063
	.iospace_config		= qla2x00_iospace_config,
2064
	.initialize_adapter	= qla2x00_initialize_adapter,
2065 2066
};

2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081
static struct isp_operations qla25xx_isp_ops = {
	.pci_config		= qla25xx_pci_config,
	.reset_chip		= qla24xx_reset_chip,
	.chip_diag		= qla24xx_chip_diag,
	.config_rings		= qla24xx_config_rings,
	.reset_adapter		= qla24xx_reset_adapter,
	.nvram_config		= qla24xx_nvram_config,
	.update_fw_options	= qla24xx_update_fw_options,
	.load_risc		= qla24xx_load_risc,
	.pci_info_str		= qla24xx_pci_info_str,
	.fw_version_str		= qla24xx_fw_version_str,
	.intr_handler		= qla24xx_intr_handler,
	.enable_intrs		= qla24xx_enable_intrs,
	.disable_intrs		= qla24xx_disable_intrs,
	.abort_command		= qla24xx_abort_command,
2082 2083
	.target_reset		= qla24xx_abort_target,
	.lun_reset		= qla24xx_lun_reset,
2084 2085 2086 2087 2088 2089 2090 2091 2092 2093 2094 2095
	.fabric_login		= qla24xx_login_fabric,
	.fabric_logout		= qla24xx_fabric_logout,
	.calc_req_entries	= NULL,
	.build_iocbs		= NULL,
	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
	.read_nvram		= qla25xx_read_nvram_data,
	.write_nvram		= qla25xx_write_nvram_data,
	.fw_dump		= qla25xx_fw_dump,
	.beacon_on		= qla24xx_beacon_on,
	.beacon_off		= qla24xx_beacon_off,
	.beacon_blink		= qla24xx_beacon_blink,
2096
	.read_optrom		= qla25xx_read_optrom_data,
2097 2098
	.write_optrom		= qla24xx_write_optrom_data,
	.get_flash_version	= qla24xx_get_flash_version,
2099
	.start_scsi		= qla24xx_dif_start_scsi,
2100
	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2101
	.abort_isp		= qla2x00_abort_isp,
2102
	.iospace_config		= qla2x00_iospace_config,
2103
	.initialize_adapter	= qla2x00_initialize_adapter,
2104 2105
};

2106 2107 2108 2109 2110 2111 2112 2113
static struct isp_operations qla81xx_isp_ops = {
	.pci_config		= qla25xx_pci_config,
	.reset_chip		= qla24xx_reset_chip,
	.chip_diag		= qla24xx_chip_diag,
	.config_rings		= qla24xx_config_rings,
	.reset_adapter		= qla24xx_reset_adapter,
	.nvram_config		= qla81xx_nvram_config,
	.update_fw_options	= qla81xx_update_fw_options,
2114
	.load_risc		= qla81xx_load_risc,
2115 2116 2117 2118 2119 2120 2121 2122 2123 2124 2125 2126 2127 2128
	.pci_info_str		= qla24xx_pci_info_str,
	.fw_version_str		= qla24xx_fw_version_str,
	.intr_handler		= qla24xx_intr_handler,
	.enable_intrs		= qla24xx_enable_intrs,
	.disable_intrs		= qla24xx_disable_intrs,
	.abort_command		= qla24xx_abort_command,
	.target_reset		= qla24xx_abort_target,
	.lun_reset		= qla24xx_lun_reset,
	.fabric_login		= qla24xx_login_fabric,
	.fabric_logout		= qla24xx_fabric_logout,
	.calc_req_entries	= NULL,
	.build_iocbs		= NULL,
	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2129 2130
	.read_nvram		= NULL,
	.write_nvram		= NULL,
2131 2132 2133
	.fw_dump		= qla81xx_fw_dump,
	.beacon_on		= qla24xx_beacon_on,
	.beacon_off		= qla24xx_beacon_off,
2134
	.beacon_blink		= qla83xx_beacon_blink,
2135 2136 2137
	.read_optrom		= qla25xx_read_optrom_data,
	.write_optrom		= qla24xx_write_optrom_data,
	.get_flash_version	= qla24xx_get_flash_version,
2138
	.start_scsi		= qla24xx_dif_start_scsi,
2139
	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2140
	.abort_isp		= qla2x00_abort_isp,
2141
	.iospace_config		= qla2x00_iospace_config,
2142
	.initialize_adapter	= qla2x00_initialize_adapter,
2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153
};

static struct isp_operations qla82xx_isp_ops = {
	.pci_config		= qla82xx_pci_config,
	.reset_chip		= qla82xx_reset_chip,
	.chip_diag		= qla24xx_chip_diag,
	.config_rings		= qla82xx_config_rings,
	.reset_adapter		= qla24xx_reset_adapter,
	.nvram_config		= qla81xx_nvram_config,
	.update_fw_options	= qla24xx_update_fw_options,
	.load_risc		= qla82xx_load_risc,
2154
	.pci_info_str		= qla24xx_pci_info_str,
2155 2156 2157 2158 2159 2160 2161 2162 2163 2164 2165 2166 2167 2168 2169
	.fw_version_str		= qla24xx_fw_version_str,
	.intr_handler		= qla82xx_intr_handler,
	.enable_intrs		= qla82xx_enable_intrs,
	.disable_intrs		= qla82xx_disable_intrs,
	.abort_command		= qla24xx_abort_command,
	.target_reset		= qla24xx_abort_target,
	.lun_reset		= qla24xx_lun_reset,
	.fabric_login		= qla24xx_login_fabric,
	.fabric_logout		= qla24xx_fabric_logout,
	.calc_req_entries	= NULL,
	.build_iocbs		= NULL,
	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
	.read_nvram		= qla24xx_read_nvram_data,
	.write_nvram		= qla24xx_write_nvram_data,
2170
	.fw_dump		= qla82xx_fw_dump,
2171 2172 2173
	.beacon_on		= qla82xx_beacon_on,
	.beacon_off		= qla82xx_beacon_off,
	.beacon_blink		= NULL,
2174 2175
	.read_optrom		= qla82xx_read_optrom_data,
	.write_optrom		= qla82xx_write_optrom_data,
2176
	.get_flash_version	= qla82xx_get_flash_version,
2177
	.start_scsi             = qla82xx_start_scsi,
2178
	.start_scsi_mq          = NULL,
2179
	.abort_isp		= qla82xx_abort_isp,
2180
	.iospace_config     	= qla82xx_iospace_config,
2181
	.initialize_adapter	= qla2x00_initialize_adapter,
2182 2183
};

2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194 2195 2196 2197 2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 2208
static struct isp_operations qla8044_isp_ops = {
	.pci_config		= qla82xx_pci_config,
	.reset_chip		= qla82xx_reset_chip,
	.chip_diag		= qla24xx_chip_diag,
	.config_rings		= qla82xx_config_rings,
	.reset_adapter		= qla24xx_reset_adapter,
	.nvram_config		= qla81xx_nvram_config,
	.update_fw_options	= qla24xx_update_fw_options,
	.load_risc		= qla82xx_load_risc,
	.pci_info_str		= qla24xx_pci_info_str,
	.fw_version_str		= qla24xx_fw_version_str,
	.intr_handler		= qla8044_intr_handler,
	.enable_intrs		= qla82xx_enable_intrs,
	.disable_intrs		= qla82xx_disable_intrs,
	.abort_command		= qla24xx_abort_command,
	.target_reset		= qla24xx_abort_target,
	.lun_reset		= qla24xx_lun_reset,
	.fabric_login		= qla24xx_login_fabric,
	.fabric_logout		= qla24xx_fabric_logout,
	.calc_req_entries	= NULL,
	.build_iocbs		= NULL,
	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
	.read_nvram		= NULL,
	.write_nvram		= NULL,
2209
	.fw_dump		= qla8044_fw_dump,
2210 2211 2212
	.beacon_on		= qla82xx_beacon_on,
	.beacon_off		= qla82xx_beacon_off,
	.beacon_blink		= NULL,
2213
	.read_optrom		= qla8044_read_optrom_data,
2214 2215 2216
	.write_optrom		= qla8044_write_optrom_data,
	.get_flash_version	= qla82xx_get_flash_version,
	.start_scsi             = qla82xx_start_scsi,
2217
	.start_scsi_mq          = NULL,
2218 2219 2220 2221 2222
	.abort_isp		= qla8044_abort_isp,
	.iospace_config		= qla82xx_iospace_config,
	.initialize_adapter	= qla2x00_initialize_adapter,
};

2223 2224 2225 2226 2227 2228 2229 2230 2231 2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255
static struct isp_operations qla83xx_isp_ops = {
	.pci_config		= qla25xx_pci_config,
	.reset_chip		= qla24xx_reset_chip,
	.chip_diag		= qla24xx_chip_diag,
	.config_rings		= qla24xx_config_rings,
	.reset_adapter		= qla24xx_reset_adapter,
	.nvram_config		= qla81xx_nvram_config,
	.update_fw_options	= qla81xx_update_fw_options,
	.load_risc		= qla81xx_load_risc,
	.pci_info_str		= qla24xx_pci_info_str,
	.fw_version_str		= qla24xx_fw_version_str,
	.intr_handler		= qla24xx_intr_handler,
	.enable_intrs		= qla24xx_enable_intrs,
	.disable_intrs		= qla24xx_disable_intrs,
	.abort_command		= qla24xx_abort_command,
	.target_reset		= qla24xx_abort_target,
	.lun_reset		= qla24xx_lun_reset,
	.fabric_login		= qla24xx_login_fabric,
	.fabric_logout		= qla24xx_fabric_logout,
	.calc_req_entries	= NULL,
	.build_iocbs		= NULL,
	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
	.read_nvram		= NULL,
	.write_nvram		= NULL,
	.fw_dump		= qla83xx_fw_dump,
	.beacon_on		= qla24xx_beacon_on,
	.beacon_off		= qla24xx_beacon_off,
	.beacon_blink		= qla83xx_beacon_blink,
	.read_optrom		= qla25xx_read_optrom_data,
	.write_optrom		= qla24xx_write_optrom_data,
	.get_flash_version	= qla24xx_get_flash_version,
	.start_scsi		= qla24xx_dif_start_scsi,
2256
	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2257 2258
	.abort_isp		= qla2x00_abort_isp,
	.iospace_config		= qla83xx_iospace_config,
2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275
	.initialize_adapter	= qla2x00_initialize_adapter,
};

static struct isp_operations qlafx00_isp_ops = {
	.pci_config		= qlafx00_pci_config,
	.reset_chip		= qlafx00_soft_reset,
	.chip_diag		= qlafx00_chip_diag,
	.config_rings		= qlafx00_config_rings,
	.reset_adapter		= qlafx00_soft_reset,
	.nvram_config		= NULL,
	.update_fw_options	= NULL,
	.load_risc		= NULL,
	.pci_info_str		= qlafx00_pci_info_str,
	.fw_version_str		= qlafx00_fw_version_str,
	.intr_handler		= qlafx00_intr_handler,
	.enable_intrs		= qlafx00_enable_intrs,
	.disable_intrs		= qlafx00_disable_intrs,
2276
	.abort_command		= qla24xx_async_abort_command,
2277 2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294
	.target_reset		= qlafx00_abort_target,
	.lun_reset		= qlafx00_lun_reset,
	.fabric_login		= NULL,
	.fabric_logout		= NULL,
	.calc_req_entries	= NULL,
	.build_iocbs		= NULL,
	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
	.read_nvram		= qla24xx_read_nvram_data,
	.write_nvram		= qla24xx_write_nvram_data,
	.fw_dump		= NULL,
	.beacon_on		= qla24xx_beacon_on,
	.beacon_off		= qla24xx_beacon_off,
	.beacon_blink		= NULL,
	.read_optrom		= qla24xx_read_optrom_data,
	.write_optrom		= qla24xx_write_optrom_data,
	.get_flash_version	= qla24xx_get_flash_version,
	.start_scsi		= qlafx00_start_scsi,
2295
	.start_scsi_mq          = NULL,
2296 2297 2298
	.abort_isp		= qlafx00_abort_isp,
	.iospace_config		= qlafx00_iospace_config,
	.initialize_adapter	= qlafx00_initialize_adapter,
2299 2300
};

2301 2302 2303 2304 2305 2306 2307 2308 2309 2310 2311 2312 2313 2314 2315 2316 2317 2318 2319 2320 2321 2322 2323 2324 2325 2326 2327 2328 2329 2330 2331 2332 2333
static struct isp_operations qla27xx_isp_ops = {
	.pci_config		= qla25xx_pci_config,
	.reset_chip		= qla24xx_reset_chip,
	.chip_diag		= qla24xx_chip_diag,
	.config_rings		= qla24xx_config_rings,
	.reset_adapter		= qla24xx_reset_adapter,
	.nvram_config		= qla81xx_nvram_config,
	.update_fw_options	= qla81xx_update_fw_options,
	.load_risc		= qla81xx_load_risc,
	.pci_info_str		= qla24xx_pci_info_str,
	.fw_version_str		= qla24xx_fw_version_str,
	.intr_handler		= qla24xx_intr_handler,
	.enable_intrs		= qla24xx_enable_intrs,
	.disable_intrs		= qla24xx_disable_intrs,
	.abort_command		= qla24xx_abort_command,
	.target_reset		= qla24xx_abort_target,
	.lun_reset		= qla24xx_lun_reset,
	.fabric_login		= qla24xx_login_fabric,
	.fabric_logout		= qla24xx_fabric_logout,
	.calc_req_entries	= NULL,
	.build_iocbs		= NULL,
	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
	.read_nvram		= NULL,
	.write_nvram		= NULL,
	.fw_dump		= qla27xx_fwdump,
	.beacon_on		= qla24xx_beacon_on,
	.beacon_off		= qla24xx_beacon_off,
	.beacon_blink		= qla83xx_beacon_blink,
	.read_optrom		= qla25xx_read_optrom_data,
	.write_optrom		= qla24xx_write_optrom_data,
	.get_flash_version	= qla24xx_get_flash_version,
	.start_scsi		= qla24xx_dif_start_scsi,
2334
	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2335 2336 2337 2338 2339
	.abort_isp		= qla2x00_abort_isp,
	.iospace_config		= qla83xx_iospace_config,
	.initialize_adapter	= qla2x00_initialize_adapter,
};

2340
static inline void
2341
qla2x00_set_isp_flags(struct qla_hw_data *ha)
2342 2343 2344 2345
{
	ha->device_type = DT_EXTENDED_IDS;
	switch (ha->pdev->device) {
	case PCI_DEVICE_ID_QLOGIC_ISP2100:
2346
		ha->isp_type |= DT_ISP2100;
2347
		ha->device_type &= ~DT_EXTENDED_IDS;
2348
		ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2349 2350
		break;
	case PCI_DEVICE_ID_QLOGIC_ISP2200:
2351
		ha->isp_type |= DT_ISP2200;
2352
		ha->device_type &= ~DT_EXTENDED_IDS;
2353
		ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2354 2355
		break;
	case PCI_DEVICE_ID_QLOGIC_ISP2300:
2356
		ha->isp_type |= DT_ISP2300;
2357
		ha->device_type |= DT_ZIO_SUPPORTED;
2358
		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2359 2360
		break;
	case PCI_DEVICE_ID_QLOGIC_ISP2312:
2361
		ha->isp_type |= DT_ISP2312;
2362
		ha->device_type |= DT_ZIO_SUPPORTED;
2363
		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2364 2365
		break;
	case PCI_DEVICE_ID_QLOGIC_ISP2322:
2366
		ha->isp_type |= DT_ISP2322;
2367
		ha->device_type |= DT_ZIO_SUPPORTED;
2368 2369 2370
		if (ha->pdev->subsystem_vendor == 0x1028 &&
		    ha->pdev->subsystem_device == 0x0170)
			ha->device_type |= DT_OEM_001;
2371
		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2372 2373
		break;
	case PCI_DEVICE_ID_QLOGIC_ISP6312:
2374
		ha->isp_type |= DT_ISP6312;
2375
		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2376 2377
		break;
	case PCI_DEVICE_ID_QLOGIC_ISP6322:
2378
		ha->isp_type |= DT_ISP6322;
2379
		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2380 2381
		break;
	case PCI_DEVICE_ID_QLOGIC_ISP2422:
2382
		ha->isp_type |= DT_ISP2422;
2383
		ha->device_type |= DT_ZIO_SUPPORTED;
2384
		ha->device_type |= DT_FWI2;
2385
		ha->device_type |= DT_IIDMA;
2386
		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2387 2388
		break;
	case PCI_DEVICE_ID_QLOGIC_ISP2432:
2389
		ha->isp_type |= DT_ISP2432;
2390
		ha->device_type |= DT_ZIO_SUPPORTED;
2391
		ha->device_type |= DT_FWI2;
2392
		ha->device_type |= DT_IIDMA;
2393
		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2394
		break;
2395
	case PCI_DEVICE_ID_QLOGIC_ISP8432:
2396
		ha->isp_type |= DT_ISP8432;
2397 2398 2399 2400 2401
		ha->device_type |= DT_ZIO_SUPPORTED;
		ha->device_type |= DT_FWI2;
		ha->device_type |= DT_IIDMA;
		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
		break;
2402
	case PCI_DEVICE_ID_QLOGIC_ISP5422:
2403
		ha->isp_type |= DT_ISP5422;
2404
		ha->device_type |= DT_FWI2;
2405
		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2406
		break;
2407
	case PCI_DEVICE_ID_QLOGIC_ISP5432:
2408
		ha->isp_type |= DT_ISP5432;
2409
		ha->device_type |= DT_FWI2;
2410
		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2411
		break;
2412
	case PCI_DEVICE_ID_QLOGIC_ISP2532:
2413
		ha->isp_type |= DT_ISP2532;
2414 2415 2416
		ha->device_type |= DT_ZIO_SUPPORTED;
		ha->device_type |= DT_FWI2;
		ha->device_type |= DT_IIDMA;
2417
		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2418
		break;
2419
	case PCI_DEVICE_ID_QLOGIC_ISP8001:
2420
		ha->isp_type |= DT_ISP8001;
2421 2422 2423 2424 2425
		ha->device_type |= DT_ZIO_SUPPORTED;
		ha->device_type |= DT_FWI2;
		ha->device_type |= DT_IIDMA;
		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
		break;
2426
	case PCI_DEVICE_ID_QLOGIC_ISP8021:
2427
		ha->isp_type |= DT_ISP8021;
2428 2429 2430 2431 2432 2433
		ha->device_type |= DT_ZIO_SUPPORTED;
		ha->device_type |= DT_FWI2;
		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
		/* Initialize 82XX ISP flags */
		qla82xx_init_flags(ha);
		break;
2434
	 case PCI_DEVICE_ID_QLOGIC_ISP8044:
2435
		ha->isp_type |= DT_ISP8044;
2436 2437 2438 2439 2440 2441
		ha->device_type |= DT_ZIO_SUPPORTED;
		ha->device_type |= DT_FWI2;
		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
		/* Initialize 82XX ISP flags */
		qla82xx_init_flags(ha);
		break;
2442
	case PCI_DEVICE_ID_QLOGIC_ISP2031:
2443
		ha->isp_type |= DT_ISP2031;
2444 2445 2446 2447 2448 2449 2450
		ha->device_type |= DT_ZIO_SUPPORTED;
		ha->device_type |= DT_FWI2;
		ha->device_type |= DT_IIDMA;
		ha->device_type |= DT_T10_PI;
		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
		break;
	case PCI_DEVICE_ID_QLOGIC_ISP8031:
2451
		ha->isp_type |= DT_ISP8031;
2452 2453 2454 2455 2456 2457
		ha->device_type |= DT_ZIO_SUPPORTED;
		ha->device_type |= DT_FWI2;
		ha->device_type |= DT_IIDMA;
		ha->device_type |= DT_T10_PI;
		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
		break;
2458
	case PCI_DEVICE_ID_QLOGIC_ISPF001:
2459
		ha->isp_type |= DT_ISPFX00;
2460
		break;
2461
	case PCI_DEVICE_ID_QLOGIC_ISP2071:
2462
		ha->isp_type |= DT_ISP2071;
2463 2464 2465
		ha->device_type |= DT_ZIO_SUPPORTED;
		ha->device_type |= DT_FWI2;
		ha->device_type |= DT_IIDMA;
2466
		ha->device_type |= DT_T10_PI;
2467 2468
		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
		break;
2469
	case PCI_DEVICE_ID_QLOGIC_ISP2271:
2470
		ha->isp_type |= DT_ISP2271;
2471 2472 2473
		ha->device_type |= DT_ZIO_SUPPORTED;
		ha->device_type |= DT_FWI2;
		ha->device_type |= DT_IIDMA;
2474
		ha->device_type |= DT_T10_PI;
2475 2476
		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
		break;
2477
	case PCI_DEVICE_ID_QLOGIC_ISP2261:
2478
		ha->isp_type |= DT_ISP2261;
2479 2480 2481
		ha->device_type |= DT_ZIO_SUPPORTED;
		ha->device_type |= DT_FWI2;
		ha->device_type |= DT_IIDMA;
2482
		ha->device_type |= DT_T10_PI;
2483 2484
		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
		break;
2485
	}
2486

2487
	if (IS_QLA82XX(ha))
2488
		ha->port_no = ha->portnum & 1;
2489
	else {
2490 2491
		/* Get adapter physical port no from interrupt pin register. */
		pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
2492 2493 2494 2495 2496
		if (IS_QLA27XX(ha))
			ha->port_no--;
		else
			ha->port_no = !(ha->port_no & 1);
	}
2497

2498
	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x000b,
2499
	    "device_type=0x%x port=%d fw_srisc_address=0x%x.\n",
2500
	    ha->device_type, ha->port_no, ha->fw_srisc_address);
2501 2502
}

2503 2504 2505
static void
qla2xxx_scan_start(struct Scsi_Host *shost)
{
2506
	scsi_qla_host_t *vha = shost_priv(shost);
2507

2508 2509 2510
	if (vha->hw->flags.running_gold_fw)
		return;

2511 2512 2513 2514
	set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
	set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
	set_bit(RSCN_UPDATE, &vha->dpc_flags);
	set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
2515 2516 2517 2518 2519
}

static int
qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
{
2520
	scsi_qla_host_t *vha = shost_priv(shost);
2521

2522 2523
	if (test_bit(UNLOADING, &vha->dpc_flags))
		return 1;
2524
	if (!vha->host)
2525
		return 1;
2526
	if (time > vha->hw->loop_reset_delay * HZ)
2527 2528
		return 1;

2529
	return atomic_read(&vha->loop_state) == LOOP_READY;
2530 2531
}

L
Linus Torvalds 已提交
2532 2533 2534
/*
 * PCI driver interface
 */
2535
static int
2536
qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
L
Linus Torvalds 已提交
2537
{
2538
	int	ret = -ENODEV;
L
Linus Torvalds 已提交
2539
	struct Scsi_Host *host;
2540 2541
	scsi_qla_host_t *base_vha = NULL;
	struct qla_hw_data *ha;
2542
	char pci_info[30];
2543
	char fw_str[30], wq_name[30];
2544
	struct scsi_host_template *sht;
2545
	int bars, mem_only = 0;
2546
	uint16_t req_length = 0, rsp_length = 0;
2547 2548
	struct req_que *req = NULL;
	struct rsp_que *rsp = NULL;
2549
	int i;
2550

2551
	bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
2552
	sht = &qla2xxx_driver_template;
2553
	if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
2554
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
2555
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
2556
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
2557
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
2558
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
2559
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 ||
2560 2561
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021 ||
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2031 ||
2562
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8031 ||
2563
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISPF001 ||
2564
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8044 ||
2565
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2071 ||
2566 2567
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2271 ||
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2261) {
2568
		bars = pci_select_bars(pdev, IORESOURCE_MEM);
2569
		mem_only = 1;
2570 2571
		ql_dbg_pci(ql_dbg_init, pdev, 0x0007,
		    "Mem only adapter.\n");
2572
	}
2573 2574
	ql_dbg_pci(ql_dbg_init, pdev, 0x0008,
	    "Bars=%d.\n", bars);
2575

2576 2577 2578 2579 2580 2581 2582
	if (mem_only) {
		if (pci_enable_device_mem(pdev))
			goto probe_out;
	} else {
		if (pci_enable_device(pdev))
			goto probe_out;
	}
2583

2584 2585
	/* This may fail but that's ok */
	pci_enable_pcie_error_reporting(pdev);
2586

2587 2588
	ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
	if (!ha) {
2589 2590
		ql_log_pci(ql_log_fatal, pdev, 0x0009,
		    "Unable to allocate memory for ha.\n");
2591
		goto probe_out;
L
Linus Torvalds 已提交
2592
	}
2593 2594
	ql_dbg_pci(ql_dbg_init, pdev, 0x000a,
	    "Memory allocated for ha=%p.\n", ha);
2595
	ha->pdev = pdev;
2596
	ha->tgt.enable_class_2 = ql2xenableclass2;
2597 2598
	INIT_LIST_HEAD(&ha->tgt.q_full_list);
	spin_lock_init(&ha->tgt.q_full_lock);
2599
	spin_lock_init(&ha->tgt.sess_lock);
2600 2601
	spin_lock_init(&ha->tgt.atio_lock);

L
Linus Torvalds 已提交
2602 2603

	/* Clear our data area */
2604
	ha->bars = bars;
2605
	ha->mem_only = mem_only;
2606
	spin_lock_init(&ha->hardware_lock);
2607
	spin_lock_init(&ha->vport_slock);
2608
	mutex_init(&ha->selflogin_lock);
2609
	mutex_init(&ha->optrom_mutex);
L
Linus Torvalds 已提交
2610

2611 2612
	/* Set ISP-type information. */
	qla2x00_set_isp_flags(ha);
2613 2614

	/* Set EEH reset type to fundamental if required by hba */
2615
	if (IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha) ||
2616
	    IS_QLA83XX(ha) || IS_QLA27XX(ha))
2617 2618
		pdev->needs_freset = 1;

2619 2620 2621 2622 2623
	ha->prev_topology = 0;
	ha->init_cb_size = sizeof(init_cb_t);
	ha->link_data_rate = PORT_SPEED_UNKNOWN;
	ha->optrom_size = OPTROM_SIZE_2300;

2624
	/* Assign ISP specific operations. */
L
Linus Torvalds 已提交
2625
	if (IS_QLA2100(ha)) {
2626
		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
L
Linus Torvalds 已提交
2627
		ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
2628 2629 2630
		req_length = REQUEST_ENTRY_CNT_2100;
		rsp_length = RESPONSE_ENTRY_CNT_2100;
		ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2631
		ha->gid_list_info_size = 4;
2632 2633 2634 2635
		ha->flash_conf_off = ~0;
		ha->flash_data_off = ~0;
		ha->nvram_conf_off = ~0;
		ha->nvram_data_off = ~0;
2636
		ha->isp_ops = &qla2100_isp_ops;
L
Linus Torvalds 已提交
2637
	} else if (IS_QLA2200(ha)) {
2638
		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2639
		ha->mbx_count = MAILBOX_REGISTER_COUNT_2200;
2640 2641 2642
		req_length = REQUEST_ENTRY_CNT_2200;
		rsp_length = RESPONSE_ENTRY_CNT_2100;
		ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2643
		ha->gid_list_info_size = 4;
2644 2645 2646 2647
		ha->flash_conf_off = ~0;
		ha->flash_data_off = ~0;
		ha->nvram_conf_off = ~0;
		ha->nvram_data_off = ~0;
2648
		ha->isp_ops = &qla2100_isp_ops;
2649
	} else if (IS_QLA23XX(ha)) {
2650
		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
L
Linus Torvalds 已提交
2651
		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2652 2653 2654
		req_length = REQUEST_ENTRY_CNT_2200;
		rsp_length = RESPONSE_ENTRY_CNT_2300;
		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2655
		ha->gid_list_info_size = 6;
2656 2657
		if (IS_QLA2322(ha) || IS_QLA6322(ha))
			ha->optrom_size = OPTROM_SIZE_2322;
2658 2659 2660 2661
		ha->flash_conf_off = ~0;
		ha->flash_data_off = ~0;
		ha->nvram_conf_off = ~0;
		ha->nvram_data_off = ~0;
2662
		ha->isp_ops = &qla2300_isp_ops;
2663
	} else if (IS_QLA24XX_TYPE(ha)) {
2664
		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2665
		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2666 2667
		req_length = REQUEST_ENTRY_CNT_24XX;
		rsp_length = RESPONSE_ENTRY_CNT_2300;
2668
		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2669
		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2670
		ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2671
		ha->gid_list_info_size = 8;
2672
		ha->optrom_size = OPTROM_SIZE_24XX;
2673
		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
2674
		ha->isp_ops = &qla24xx_isp_ops;
2675 2676 2677 2678
		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2679
	} else if (IS_QLA25XX(ha)) {
2680
		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2681
		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2682 2683
		req_length = REQUEST_ENTRY_CNT_24XX;
		rsp_length = RESPONSE_ENTRY_CNT_2300;
2684
		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2685
		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2686 2687 2688
		ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
		ha->gid_list_info_size = 8;
		ha->optrom_size = OPTROM_SIZE_25XX;
2689
		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2690
		ha->isp_ops = &qla25xx_isp_ops;
2691 2692 2693 2694 2695
		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
	} else if (IS_QLA81XX(ha)) {
2696
		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2697 2698 2699
		ha->mbx_count = MAILBOX_REGISTER_COUNT;
		req_length = REQUEST_ENTRY_CNT_24XX;
		rsp_length = RESPONSE_ENTRY_CNT_2300;
2700
		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2701 2702 2703 2704
		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
		ha->gid_list_info_size = 8;
		ha->optrom_size = OPTROM_SIZE_81XX;
2705
		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2706 2707 2708 2709 2710
		ha->isp_ops = &qla81xx_isp_ops;
		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
		ha->nvram_conf_off = ~0;
		ha->nvram_data_off = ~0;
2711
	} else if (IS_QLA82XX(ha)) {
2712
		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2713 2714 2715 2716 2717 2718 2719
		ha->mbx_count = MAILBOX_REGISTER_COUNT;
		req_length = REQUEST_ENTRY_CNT_82XX;
		rsp_length = RESPONSE_ENTRY_CNT_82XX;
		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
		ha->gid_list_info_size = 8;
		ha->optrom_size = OPTROM_SIZE_82XX;
2720
		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2721 2722 2723 2724 2725
		ha->isp_ops = &qla82xx_isp_ops;
		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2726 2727 2728 2729 2730 2731 2732 2733 2734 2735 2736 2737 2738 2739 2740
	} else if (IS_QLA8044(ha)) {
		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
		ha->mbx_count = MAILBOX_REGISTER_COUNT;
		req_length = REQUEST_ENTRY_CNT_82XX;
		rsp_length = RESPONSE_ENTRY_CNT_82XX;
		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
		ha->gid_list_info_size = 8;
		ha->optrom_size = OPTROM_SIZE_83XX;
		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
		ha->isp_ops = &qla8044_isp_ops;
		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2741
	} else if (IS_QLA83XX(ha)) {
2742
		ha->portnum = PCI_FUNC(ha->pdev->devfn);
2743
		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2744
		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2745
		req_length = REQUEST_ENTRY_CNT_83XX;
Q
Quinn Tran 已提交
2746
		rsp_length = RESPONSE_ENTRY_CNT_83XX;
2747
		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2748 2749 2750 2751 2752 2753 2754 2755 2756 2757
		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
		ha->gid_list_info_size = 8;
		ha->optrom_size = OPTROM_SIZE_83XX;
		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
		ha->isp_ops = &qla83xx_isp_ops;
		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
		ha->nvram_conf_off = ~0;
		ha->nvram_data_off = ~0;
2758 2759 2760 2761 2762 2763 2764 2765 2766 2767
	}  else if (IS_QLAFX00(ha)) {
		ha->max_fibre_devices = MAX_FIBRE_DEVICES_FX00;
		ha->mbx_count = MAILBOX_REGISTER_COUNT_FX00;
		ha->aen_mbx_count = AEN_MAILBOX_REGISTER_COUNT_FX00;
		req_length = REQUEST_ENTRY_CNT_FX00;
		rsp_length = RESPONSE_ENTRY_CNT_FX00;
		ha->isp_ops = &qlafx00_isp_ops;
		ha->port_down_retry_count = 30; /* default value */
		ha->mr.fw_hbt_cnt = QLAFX00_HEARTBEAT_INTERVAL;
		ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
2768
		ha->mr.fw_critemp_timer_tick = QLAFX00_CRITEMP_INTERVAL;
2769
		ha->mr.fw_hbt_en = 1;
2770 2771
		ha->mr.host_info_resend = false;
		ha->mr.hinfo_resend_timer_tick = QLAFX00_HINFO_RESEND_INTERVAL;
2772 2773 2774 2775
	} else if (IS_QLA27XX(ha)) {
		ha->portnum = PCI_FUNC(ha->pdev->devfn);
		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
		ha->mbx_count = MAILBOX_REGISTER_COUNT;
Q
Quinn Tran 已提交
2776 2777
		req_length = REQUEST_ENTRY_CNT_83XX;
		rsp_length = RESPONSE_ENTRY_CNT_83XX;
2778
		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2779 2780 2781 2782 2783 2784 2785 2786 2787 2788
		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
		ha->gid_list_info_size = 8;
		ha->optrom_size = OPTROM_SIZE_83XX;
		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
		ha->isp_ops = &qla27xx_isp_ops;
		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
		ha->nvram_conf_off = ~0;
		ha->nvram_data_off = ~0;
L
Linus Torvalds 已提交
2789
	}
2790

2791 2792 2793
	ql_dbg_pci(ql_dbg_init, pdev, 0x001e,
	    "mbx_count=%d, req_length=%d, "
	    "rsp_length=%d, max_loop_id=%d, init_cb_size=%d, "
2794 2795
	    "gid_list_info_size=%d, optrom_size=%d, nvram_npiv_size=%d, "
	    "max_fibre_devices=%d.\n",
2796 2797
	    ha->mbx_count, req_length, rsp_length, ha->max_loop_id,
	    ha->init_cb_size, ha->gid_list_info_size, ha->optrom_size,
2798
	    ha->nvram_npiv_size, ha->max_fibre_devices);
2799 2800 2801 2802 2803
	ql_dbg_pci(ql_dbg_init, pdev, 0x001f,
	    "isp_ops=%p, flash_conf_off=%d, "
	    "flash_data_off=%d, nvram_conf_off=%d, nvram_data_off=%d.\n",
	    ha->isp_ops, ha->flash_conf_off, ha->flash_data_off,
	    ha->nvram_conf_off, ha->nvram_data_off);
2804 2805 2806 2807

	/* Configure PCI I/O space */
	ret = ha->isp_ops->iospace_config(ha);
	if (ret)
2808
		goto iospace_config_failed;
2809 2810 2811 2812

	ql_log_pci(ql_log_info, pdev, 0x001d,
	    "Found an ISP%04X irq %d iobase 0x%p.\n",
	    pdev->device, pdev->irq, ha->iobase);
2813
	mutex_init(&ha->vport_lock);
2814
	mutex_init(&ha->mq_lock);
2815 2816 2817
	init_completion(&ha->mbx_cmd_comp);
	complete(&ha->mbx_cmd_comp);
	init_completion(&ha->mbx_intr_comp);
2818
	init_completion(&ha->dcbx_comp);
2819
	init_completion(&ha->lb_portup_comp);
L
Linus Torvalds 已提交
2820

2821
	set_bit(0, (unsigned long *) ha->vp_idx_map);
L
Linus Torvalds 已提交
2822

2823
	qla2x00_config_dma_addressing(ha);
2824 2825 2826 2827
	ql_dbg_pci(ql_dbg_init, pdev, 0x0020,
	    "64 Bit addressing is %s.\n",
	    ha->flags.enable_64bit_addressing ? "enable" :
	    "disable");
2828
	ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
2829
	if (ret) {
2830 2831
		ql_log_pci(ql_log_fatal, pdev, 0x0031,
		    "Failed to allocate memory for adapter, aborting.\n");
L
Linus Torvalds 已提交
2832

2833 2834 2835
		goto probe_hw_failed;
	}

2836
	req->max_q_depth = MAX_Q_DEPTH;
2837
	if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
2838 2839
		req->max_q_depth = ql2xmaxqdepth;

2840 2841 2842

	base_vha = qla2x00_create_host(sht, ha);
	if (!base_vha) {
2843
		ret = -ENOMEM;
2844
		qla2x00_mem_free(ha);
2845 2846
		qla2x00_free_req_que(ha, req);
		qla2x00_free_rsp_que(ha, rsp);
2847
		goto probe_hw_failed;
L
Linus Torvalds 已提交
2848 2849
	}

2850
	pci_set_drvdata(pdev, base_vha);
2851
	set_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
2852 2853

	host = base_vha->host;
2854
	base_vha->req = req;
2855
	if (IS_QLA2XXX_MIDTYPE(ha))
2856
		base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
2857
	else
2858 2859
		base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
						base_vha->vp_idx;
2860

2861 2862 2863 2864 2865 2866 2867 2868
	/* Setup fcport template structure. */
	ha->mr.fcport.vha = base_vha;
	ha->mr.fcport.port_type = FCT_UNKNOWN;
	ha->mr.fcport.loop_id = FC_NO_LOOP_ID;
	qla2x00_set_fcport_state(&ha->mr.fcport, FCS_UNCONFIGURED);
	ha->mr.fcport.supported_classes = FC_COS_UNSPECIFIED;
	ha->mr.fcport.scan_state = 1;

2869 2870 2871 2872 2873 2874 2875 2876
	/* Set the SG table size based on ISP type */
	if (!IS_FWI2_CAPABLE(ha)) {
		if (IS_QLA2100(ha))
			host->sg_tablesize = 32;
	} else {
		if (!IS_QLA82XX(ha))
			host->sg_tablesize = QLA_SG_ALL;
	}
2877
	host->max_id = ha->max_fibre_devices;
2878 2879
	host->cmd_per_lun = 3;
	host->unique_id = host->host_no;
2880
	if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif)
2881 2882 2883
		host->max_cmd_len = 32;
	else
		host->max_cmd_len = MAX_CMDSZ;
2884
	host->max_channel = MAX_BUSES - 1;
2885 2886 2887 2888 2889 2890
	/* Older HBAs support only 16-bit LUNs */
	if (!IS_QLAFX00(ha) && !IS_FWI2_CAPABLE(ha) &&
	    ql2xmaxlun > 0xffff)
		host->max_lun = 0xffff;
	else
		host->max_lun = ql2xmaxlun;
2891
	host->transportt = qla2xxx_transport_template;
2892
	sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
2893

2894 2895 2896
	ql_dbg(ql_dbg_init, base_vha, 0x0033,
	    "max_id=%d this_id=%d "
	    "cmd_per_len=%d unique_id=%d max_cmd_len=%d max_channel=%d "
2897
	    "max_lun=%llu transportt=%p, vendor_id=%llu.\n", host->max_id,
2898 2899 2900 2901
	    host->this_id, host->cmd_per_lun, host->unique_id,
	    host->max_cmd_len, host->max_channel, host->max_lun,
	    host->transportt, sht->vendor_id);

2902 2903 2904 2905 2906
	/* Set up the irqs */
	ret = qla2x00_request_irqs(ha, rsp);
	if (ret)
		goto probe_init_failed;

2907 2908 2909 2910 2911 2912 2913 2914
	/* Alloc arrays of request and response ring ptrs */
	if (!qla2x00_alloc_queues(ha, req, rsp)) {
		ql_log(ql_log_fatal, base_vha, 0x003d,
		    "Failed to allocate memory for queue pointers..."
		    "aborting.\n");
		goto probe_init_failed;
	}

2915 2916 2917 2918 2919 2920 2921 2922 2923 2924
	if (ha->mqenable && shost_use_blk_mq(host)) {
		/* number of hardware queues supported by blk/scsi-mq*/
		host->nr_hw_queues = ha->max_qpairs;

		ql_dbg(ql_dbg_init, base_vha, 0x0192,
			"blk/scsi-mq enabled, HW queues = %d.\n", host->nr_hw_queues);
	} else
		ql_dbg(ql_dbg_init, base_vha, 0x0193,
			"blk/scsi-mq disabled.\n");

2925
	qlt_probe_one_stage1(base_vha, ha);
2926

2927 2928
	pci_save_state(pdev);

2929
	/* Assign back pointers */
2930 2931
	rsp->req = req;
	req->rsp = rsp;
2932

2933 2934 2935 2936 2937 2938 2939
	if (IS_QLAFX00(ha)) {
		ha->rsp_q_map[0] = rsp;
		ha->req_q_map[0] = req;
		set_bit(0, ha->req_qid_map);
		set_bit(0, ha->rsp_qid_map);
	}

2940 2941 2942 2943 2944
	/* FWI2-capable only. */
	req->req_q_in = &ha->iobase->isp24.req_q_in;
	req->req_q_out = &ha->iobase->isp24.req_q_out;
	rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
	rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
2945
	if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
2946 2947 2948 2949
		req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
		req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
		rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
		rsp->rsp_q_out =  &ha->mqiobase->isp25mq.rsp_q_out;
2950 2951
	}

2952 2953 2954 2955 2956 2957 2958
	if (IS_QLAFX00(ha)) {
		req->req_q_in = &ha->iobase->ispfx00.req_q_in;
		req->req_q_out = &ha->iobase->ispfx00.req_q_out;
		rsp->rsp_q_in = &ha->iobase->ispfx00.rsp_q_in;
		rsp->rsp_q_out = &ha->iobase->ispfx00.rsp_q_out;
	}

2959
	if (IS_P3P_TYPE(ha)) {
2960 2961 2962 2963 2964
		req->req_q_out = &ha->iobase->isp82.req_q_out[0];
		rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0];
		rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0];
	}

2965 2966 2967 2968 2969 2970 2971 2972 2973 2974 2975 2976 2977 2978
	ql_dbg(ql_dbg_multiq, base_vha, 0xc009,
	    "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
	    ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
	ql_dbg(ql_dbg_multiq, base_vha, 0xc00a,
	    "req->req_q_in=%p req->req_q_out=%p "
	    "rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
	    req->req_q_in, req->req_q_out,
	    rsp->rsp_q_in, rsp->rsp_q_out);
	ql_dbg(ql_dbg_init, base_vha, 0x003e,
	    "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
	    ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
	ql_dbg(ql_dbg_init, base_vha, 0x003f,
	    "req->req_q_in=%p req->req_q_out=%p rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
	    req->req_q_in, req->req_q_out, rsp->rsp_q_in, rsp->rsp_q_out);
L
Linus Torvalds 已提交
2979

2980
	if (ha->isp_ops->initialize_adapter(base_vha)) {
2981 2982 2983
		ql_log(ql_log_fatal, base_vha, 0x00d6,
		    "Failed to initialize adapter - Adapter flags %x.\n",
		    base_vha->device_flags);
L
Linus Torvalds 已提交
2984

2985 2986 2987
		if (IS_QLA82XX(ha)) {
			qla82xx_idc_lock(ha);
			qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
2988
				QLA8XXX_DEV_FAILED);
2989
			qla82xx_idc_unlock(ha);
2990 2991
			ql_log(ql_log_fatal, base_vha, 0x00d7,
			    "HW State: FAILED.\n");
2992 2993 2994 2995 2996 2997 2998 2999
		} else if (IS_QLA8044(ha)) {
			qla8044_idc_lock(ha);
			qla8044_wr_direct(base_vha,
				QLA8044_CRB_DEV_STATE_INDEX,
				QLA8XXX_DEV_FAILED);
			qla8044_idc_unlock(ha);
			ql_log(ql_log_fatal, base_vha, 0x0150,
			    "HW State: FAILED.\n");
3000 3001
		}

3002
		ret = -ENODEV;
L
Linus Torvalds 已提交
3003 3004 3005
		goto probe_failed;
	}

3006 3007 3008 3009 3010 3011 3012 3013 3014 3015
	if (IS_QLAFX00(ha))
		host->can_queue = QLAFX00_MAX_CANQUEUE;
	else
		host->can_queue = req->num_outstanding_cmds - 10;

	ql_dbg(ql_dbg_init, base_vha, 0x0032,
	    "can_queue=%d, req=%p, mgmt_svr_loop_id=%d, sg_tablesize=%d.\n",
	    host->can_queue, base_vha->req,
	    base_vha->mgmt_svr_loop_id, host->sg_tablesize);

3016
	if (ha->mqenable && qla_ini_mode_enabled(base_vha)) {
3017
		ha->wq = alloc_workqueue("qla2xxx_wq", WQ_MEM_RECLAIM, 1);
3018 3019 3020 3021 3022 3023
		/* Create start of day qpairs for Block MQ */
		if (shost_use_blk_mq(host)) {
			for (i = 0; i < ha->max_qpairs; i++)
				qla2xxx_create_qpair(base_vha, 5, 0);
		}
	}
3024

3025 3026 3027
	if (ha->flags.running_gold_fw)
		goto skip_dpc;

L
Linus Torvalds 已提交
3028 3029 3030
	/*
	 * Startup the kernel thread for this host adapter
	 */
3031
	ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
3032
	    "%s_dpc", base_vha->host_str);
3033
	if (IS_ERR(ha->dpc_thread)) {
3034 3035
		ql_log(ql_log_fatal, base_vha, 0x00ed,
		    "Failed to start DPC thread.\n");
3036
		ret = PTR_ERR(ha->dpc_thread);
L
Linus Torvalds 已提交
3037 3038
		goto probe_failed;
	}
3039 3040
	ql_dbg(ql_dbg_init, base_vha, 0x00ee,
	    "DPC thread started successfully.\n");
L
Linus Torvalds 已提交
3041

3042 3043 3044 3045 3046 3047 3048 3049
	/*
	 * If we're not coming up in initiator mode, we might sit for
	 * a while without waking up the dpc thread, which leads to a
	 * stuck process warning.  So just kick the dpc once here and
	 * let the kthread start (and go back to sleep in qla2x00_do_dpc).
	 */
	qla2xxx_wake_dpc(base_vha);

3050 3051
	INIT_WORK(&ha->board_disable, qla2x00_disable_board_on_pci_error);

3052 3053 3054 3055 3056 3057 3058 3059 3060 3061 3062 3063 3064 3065
	if (IS_QLA8031(ha) || IS_MCTP_CAPABLE(ha)) {
		sprintf(wq_name, "qla2xxx_%lu_dpc_lp_wq", base_vha->host_no);
		ha->dpc_lp_wq = create_singlethread_workqueue(wq_name);
		INIT_WORK(&ha->idc_aen, qla83xx_service_idc_aen);

		sprintf(wq_name, "qla2xxx_%lu_dpc_hp_wq", base_vha->host_no);
		ha->dpc_hp_wq = create_singlethread_workqueue(wq_name);
		INIT_WORK(&ha->nic_core_reset, qla83xx_nic_core_reset_work);
		INIT_WORK(&ha->idc_state_handler,
		    qla83xx_idc_state_handler_work);
		INIT_WORK(&ha->nic_core_unrecoverable,
		    qla83xx_nic_core_unrecoverable_work);
	}

3066
skip_dpc:
3067 3068
	list_add_tail(&base_vha->list, &ha->vp_list);
	base_vha->host->irq = ha->pdev->irq;
L
Linus Torvalds 已提交
3069 3070

	/* Initialized the timer */
3071
	qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
3072 3073 3074 3075 3076 3077
	ql_dbg(ql_dbg_init, base_vha, 0x00ef,
	    "Started qla2x00_timer with "
	    "interval=%d.\n", WATCH_INTERVAL);
	ql_dbg(ql_dbg_init, base_vha, 0x00f0,
	    "Detected hba at address=%p.\n",
	    ha);
3078

3079
	if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
3080
		if (ha->fw_attributes & BIT_4) {
3081
			int prot = 0, guard;
3082
			base_vha->flags.difdix_supported = 1;
3083 3084
			ql_dbg(ql_dbg_init, base_vha, 0x00f1,
			    "Registering for DIF/DIX type 1 and 3 protection.\n");
3085 3086
			if (ql2xenabledif == 1)
				prot = SHOST_DIX_TYPE0_PROTECTION;
3087
			scsi_host_set_prot(host,
3088
			    prot | SHOST_DIF_TYPE1_PROTECTION
3089
			    | SHOST_DIF_TYPE2_PROTECTION
3090 3091
			    | SHOST_DIF_TYPE3_PROTECTION
			    | SHOST_DIX_TYPE1_PROTECTION
3092
			    | SHOST_DIX_TYPE2_PROTECTION
3093
			    | SHOST_DIX_TYPE3_PROTECTION);
3094 3095 3096 3097 3098 3099 3100 3101

			guard = SHOST_DIX_GUARD_CRC;

			if (IS_PI_IPGUARD_CAPABLE(ha) &&
			    (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
				guard |= SHOST_DIX_GUARD_IP;

			scsi_host_set_guard(host, guard);
3102 3103 3104 3105
		} else
			base_vha->flags.difdix_supported = 0;
	}

3106 3107
	ha->isp_ops->enable_intrs(ha);

3108 3109 3110 3111 3112 3113 3114
	if (IS_QLAFX00(ha)) {
		ret = qlafx00_fx_disc(base_vha,
			&base_vha->hw->mr.fcport, FXDISC_GET_CONFIG_INFO);
		host->sg_tablesize = (ha->mr.extended_io_enabled) ?
		    QLA_SG_ALL : 128;
	}

3115 3116 3117 3118
	ret = scsi_add_host(host, &pdev->dev);
	if (ret)
		goto probe_failed;

3119 3120
	base_vha->flags.init_done = 1;
	base_vha->flags.online = 1;
3121
	ha->prev_minidump_failed = 0;
3122

3123 3124 3125
	ql_dbg(ql_dbg_init, base_vha, 0x00f2,
	    "Init done and hba is online.\n");

3126 3127 3128 3129 3130
	if (qla_ini_mode_enabled(base_vha))
		scsi_scan_host(host);
	else
		ql_dbg(ql_dbg_init, base_vha, 0x0122,
			"skipping scsi_scan_host() for non-initiator port\n");
3131

3132
	qla2x00_alloc_sysfs_attr(base_vha);
3133

3134 3135 3136 3137 3138 3139 3140 3141 3142
	if (IS_QLAFX00(ha)) {
		ret = qlafx00_fx_disc(base_vha,
			&base_vha->hw->mr.fcport, FXDISC_GET_PORT_INFO);

		/* Register system information */
		ret =  qlafx00_fx_disc(base_vha,
			&base_vha->hw->mr.fcport, FXDISC_REG_HOST_INFO);
	}

3143
	qla2x00_init_host_attr(base_vha);
3144

3145
	qla2x00_dfs_setup(base_vha);
3146

3147 3148
	ql_log(ql_log_info, base_vha, 0x00fb,
	    "QLogic %s - %s.\n", ha->model_number, ha->model_desc);
3149 3150 3151 3152 3153
	ql_log(ql_log_info, base_vha, 0x00fc,
	    "ISP%04X: %s @ %s hdma%c host#=%ld fw=%s.\n",
	    pdev->device, ha->isp_ops->pci_info_str(base_vha, pci_info),
	    pci_name(pdev), ha->flags.enable_64bit_addressing ? '+' : '-',
	    base_vha->host_no,
3154
	    ha->isp_ops->fw_version_str(base_vha, fw_str, sizeof(fw_str)));
L
Linus Torvalds 已提交
3155

3156 3157
	qlt_add_target(ha, base_vha);

3158
	clear_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
3159 3160 3161 3162

	if (test_bit(UNLOADING, &base_vha->dpc_flags))
		return -ENODEV;

L
Linus Torvalds 已提交
3163 3164
	return 0;

3165
probe_init_failed:
3166
	qla2x00_free_req_que(ha, req);
3167 3168
	ha->req_q_map[0] = NULL;
	clear_bit(0, ha->req_qid_map);
3169
	qla2x00_free_rsp_que(ha, rsp);
3170 3171
	ha->rsp_q_map[0] = NULL;
	clear_bit(0, ha->rsp_qid_map);
3172
	ha->max_req_queues = ha->max_rsp_queues = 0;
3173

L
Linus Torvalds 已提交
3174
probe_failed:
3175 3176 3177 3178 3179 3180 3181 3182 3183 3184
	if (base_vha->timer_active)
		qla2x00_stop_timer(base_vha);
	base_vha->flags.online = 0;
	if (ha->dpc_thread) {
		struct task_struct *t = ha->dpc_thread;

		ha->dpc_thread = NULL;
		kthread_stop(t);
	}

3185
	qla2x00_free_device(base_vha);
L
Linus Torvalds 已提交
3186

3187
	scsi_host_put(base_vha->host);
L
Linus Torvalds 已提交
3188

3189
probe_hw_failed:
3190 3191
	qla2x00_clear_drv_active(ha);

3192
iospace_config_failed:
3193
	if (IS_P3P_TYPE(ha)) {
3194
		if (!ha->nx_pcibase)
3195
			iounmap((device_reg_t *)ha->nx_pcibase);
3196
		if (!ql2xdbwr)
3197
			iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3198 3199 3200
	} else {
		if (ha->iobase)
			iounmap(ha->iobase);
3201 3202
		if (ha->cregbase)
			iounmap(ha->cregbase);
3203
	}
3204 3205 3206
	pci_release_selected_regions(ha->pdev, ha->bars);
	kfree(ha);
	ha = NULL;
L
Linus Torvalds 已提交
3207

3208
probe_out:
3209
	pci_disable_device(pdev);
3210
	return ret;
L
Linus Torvalds 已提交
3211 3212
}

3213 3214 3215 3216 3217 3218
static void
qla2x00_shutdown(struct pci_dev *pdev)
{
	scsi_qla_host_t *vha;
	struct qla_hw_data  *ha;

3219 3220 3221
	if (!atomic_read(&pdev->enable_cnt))
		return;

3222 3223 3224
	vha = pci_get_drvdata(pdev);
	ha = vha->hw;

3225 3226 3227 3228
	/* Notify ISPFX00 firmware */
	if (IS_QLAFX00(ha))
		qlafx00_driver_shutdown(vha, 20);

3229 3230 3231 3232 3233 3234 3235 3236 3237 3238 3239 3240 3241 3242 3243 3244 3245 3246 3247 3248 3249 3250 3251 3252 3253
	/* Turn-off FCE trace */
	if (ha->flags.fce_enabled) {
		qla2x00_disable_fce_trace(vha, NULL, NULL);
		ha->flags.fce_enabled = 0;
	}

	/* Turn-off EFT trace */
	if (ha->eft)
		qla2x00_disable_eft_trace(vha);

	/* Stop currently executing firmware. */
	qla2x00_try_to_stop_firmware(vha);

	/* Turn adapter off line */
	vha->flags.online = 0;

	/* turn-off interrupts on the card */
	if (ha->interrupts_on) {
		vha->flags.init_done = 0;
		ha->isp_ops->disable_intrs(ha);
	}

	qla2x00_free_irqs(vha);

	qla2x00_free_fw_dump(ha);
3254 3255 3256

	pci_disable_pcie_error_reporting(pdev);
	pci_disable_device(pdev);
3257 3258
}

3259
/* Deletes all the virtual ports for a given ha */
A
Adrian Bunk 已提交
3260
static void
3261
qla2x00_delete_all_vps(struct qla_hw_data *ha, scsi_qla_host_t *base_vha)
L
Linus Torvalds 已提交
3262
{
3263
	scsi_qla_host_t *vha;
3264
	unsigned long flags;
3265

3266 3267 3268
	mutex_lock(&ha->vport_lock);
	while (ha->cur_vport_count) {
		spin_lock_irqsave(&ha->vport_slock, flags);
3269

3270 3271 3272
		BUG_ON(base_vha->list.next == &ha->vp_list);
		/* This assumes first entry in ha->vp_list is always base vha */
		vha = list_first_entry(&base_vha->list, scsi_qla_host_t, list);
3273
		scsi_host_get(vha->host);
3274

3275 3276 3277 3278 3279
		spin_unlock_irqrestore(&ha->vport_slock, flags);
		mutex_unlock(&ha->vport_lock);

		fc_vport_terminate(vha->fc_vport);
		scsi_host_put(vha->host);
3280

3281
		mutex_lock(&ha->vport_lock);
3282
	}
3283
	mutex_unlock(&ha->vport_lock);
3284
}
L
Linus Torvalds 已提交
3285

3286 3287 3288 3289
/* Stops all deferred work threads */
static void
qla2x00_destroy_deferred_work(struct qla_hw_data *ha)
{
3290 3291 3292 3293 3294 3295 3296 3297 3298 3299 3300 3301 3302 3303 3304
	/* Cancel all work and destroy DPC workqueues */
	if (ha->dpc_lp_wq) {
		cancel_work_sync(&ha->idc_aen);
		destroy_workqueue(ha->dpc_lp_wq);
		ha->dpc_lp_wq = NULL;
	}

	if (ha->dpc_hp_wq) {
		cancel_work_sync(&ha->nic_core_reset);
		cancel_work_sync(&ha->idc_state_handler);
		cancel_work_sync(&ha->nic_core_unrecoverable);
		destroy_workqueue(ha->dpc_hp_wq);
		ha->dpc_hp_wq = NULL;
	}

3305 3306 3307 3308 3309 3310 3311 3312 3313 3314 3315
	/* Kill the kernel thread for this host */
	if (ha->dpc_thread) {
		struct task_struct *t = ha->dpc_thread;

		/*
		 * qla2xxx_wake_dpc checks for ->dpc_thread
		 * so we need to zero it out.
		 */
		ha->dpc_thread = NULL;
		kthread_stop(t);
	}
3316
}
L
Linus Torvalds 已提交
3317

3318 3319 3320
static void
qla2x00_unmap_iobases(struct qla_hw_data *ha)
{
3321
	if (IS_QLA82XX(ha)) {
3322

3323
		iounmap((device_reg_t *)ha->nx_pcibase);
3324
		if (!ql2xdbwr)
3325
			iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3326 3327 3328
	} else {
		if (ha->iobase)
			iounmap(ha->iobase);
L
Linus Torvalds 已提交
3329

3330 3331 3332
		if (ha->cregbase)
			iounmap(ha->cregbase);

3333 3334
		if (ha->mqiobase)
			iounmap(ha->mqiobase);
3335

3336
		if ((IS_QLA83XX(ha) || IS_QLA27XX(ha)) && ha->msixbase)
3337
			iounmap(ha->msixbase);
3338
	}
3339 3340 3341
}

static void
3342
qla2x00_clear_drv_active(struct qla_hw_data *ha)
3343 3344 3345
{
	if (IS_QLA8044(ha)) {
		qla8044_idc_lock(ha);
3346
		qla8044_clear_drv_active(ha);
3347 3348 3349 3350 3351 3352 3353 3354 3355 3356 3357 3358 3359 3360
		qla8044_idc_unlock(ha);
	} else if (IS_QLA82XX(ha)) {
		qla82xx_idc_lock(ha);
		qla82xx_clear_drv_active(ha);
		qla82xx_idc_unlock(ha);
	}
}

static void
qla2x00_remove_one(struct pci_dev *pdev)
{
	scsi_qla_host_t *base_vha;
	struct qla_hw_data  *ha;

3361 3362 3363 3364 3365 3366 3367 3368
	base_vha = pci_get_drvdata(pdev);
	ha = base_vha->hw;

	/* Indicate device removal to prevent future board_disable and wait
	 * until any pending board_disable has completed. */
	set_bit(PFLG_DRIVER_REMOVING, &base_vha->pci_flags);
	cancel_work_sync(&ha->board_disable);

3369
	/*
3370 3371 3372
	 * If the PCI device is disabled then there was a PCI-disconnect and
	 * qla2x00_disable_board_on_pci_error has taken care of most of the
	 * resources.
3373
	 */
3374 3375 3376 3377
	if (!atomic_read(&pdev->enable_cnt)) {
		scsi_host_put(base_vha->host);
		kfree(ha);
		pci_set_drvdata(pdev, NULL);
3378
		return;
3379
	}
3380

3381 3382
	qla2x00_wait_for_hba_ready(base_vha);

3383 3384 3385 3386 3387 3388
	/* if UNLOAD flag is already set, then continue unload,
	 * where it was set first.
	 */
	if (test_bit(UNLOADING, &base_vha->dpc_flags))
		return;

3389 3390 3391 3392 3393 3394 3395 3396 3397 3398 3399 3400 3401 3402 3403 3404 3405 3406 3407 3408 3409
	set_bit(UNLOADING, &base_vha->dpc_flags);

	if (IS_QLAFX00(ha))
		qlafx00_driver_shutdown(base_vha, 20);

	qla2x00_delete_all_vps(ha, base_vha);

	if (IS_QLA8031(ha)) {
		ql_dbg(ql_dbg_p3p, base_vha, 0xb07e,
		    "Clearing fcoe driver presence.\n");
		if (qla83xx_clear_drv_presence(base_vha) != QLA_SUCCESS)
			ql_dbg(ql_dbg_p3p, base_vha, 0xb079,
			    "Error while clearing DRV-Presence.\n");
	}

	qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);

	qla2x00_dfs_remove(base_vha);

	qla84xx_put_chip(base_vha);

3410 3411 3412 3413
	/* Laser should be disabled only for ISP2031 */
	if (IS_QLA2031(ha))
		qla83xx_disable_laser(base_vha);

3414 3415 3416 3417 3418 3419
	/* Disable timer */
	if (base_vha->timer_active)
		qla2x00_stop_timer(base_vha);

	base_vha->flags.online = 0;

3420 3421 3422 3423
	/* free DMA memory */
	if (ha->exlogin_buf)
		qla2x00_free_exlogin_buffer(ha);

3424 3425 3426 3427
	/* free DMA memory */
	if (ha->exchoffld_buf)
		qla2x00_free_exchoffld_buffer(ha);

3428 3429 3430 3431 3432 3433 3434 3435 3436 3437 3438 3439
	qla2x00_destroy_deferred_work(ha);

	qlt_remove_target(ha, base_vha);

	qla2x00_free_sysfs_attr(base_vha, true);

	fc_remove_host(base_vha->host);

	scsi_remove_host(base_vha->host);

	qla2x00_free_device(base_vha);

3440
	qla2x00_clear_drv_active(ha);
3441

3442 3443
	scsi_host_put(base_vha->host);

3444
	qla2x00_unmap_iobases(ha);
3445

3446 3447 3448
	pci_release_selected_regions(ha->pdev, ha->bars);
	kfree(ha);
	ha = NULL;
L
Linus Torvalds 已提交
3449

3450 3451
	pci_disable_pcie_error_reporting(pdev);

3452
	pci_disable_device(pdev);
L
Linus Torvalds 已提交
3453 3454 3455
}

static void
3456
qla2x00_free_device(scsi_qla_host_t *vha)
L
Linus Torvalds 已提交
3457
{
3458
	struct qla_hw_data *ha = vha->hw;
L
Linus Torvalds 已提交
3459

3460 3461 3462 3463 3464 3465
	qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);

	/* Disable timer */
	if (vha->timer_active)
		qla2x00_stop_timer(vha);

3466
	qla25xx_delete_queues(vha);
3467

3468
	if (ha->flags.fce_enabled)
3469
		qla2x00_disable_fce_trace(vha, NULL, NULL);
3470

3471
	if (ha->eft)
3472
		qla2x00_disable_eft_trace(vha);
3473

3474
	/* Stop currently executing firmware. */
3475
	qla2x00_try_to_stop_firmware(vha);
L
Linus Torvalds 已提交
3476

3477 3478
	vha->flags.online = 0;

3479
	/* turn-off interrupts on the card */
3480 3481
	if (ha->interrupts_on) {
		vha->flags.init_done = 0;
3482
		ha->isp_ops->disable_intrs(ha);
3483
	}
3484

3485 3486
	qla2x00_free_fcports(vha);

3487
	qla2x00_free_irqs(vha);
L
Linus Torvalds 已提交
3488

3489 3490 3491 3492 3493 3494 3495
	/* Flush the work queue and remove it */
	if (ha->wq) {
		flush_workqueue(ha->wq);
		destroy_workqueue(ha->wq);
		ha->wq = NULL;
	}

3496

3497
	qla2x00_mem_free(ha);
3498

3499 3500
	qla82xx_md_free(vha);

3501
	qla2x00_free_queues(ha);
L
Linus Torvalds 已提交
3502 3503
}

3504 3505 3506 3507 3508 3509
void qla2x00_free_fcports(struct scsi_qla_host *vha)
{
	fc_port_t *fcport, *tfcport;

	list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list) {
		list_del(&fcport->list);
3510
		qla2x00_clear_loop_id(fcport);
3511 3512 3513 3514 3515
		kfree(fcport);
		fcport = NULL;
	}
}

3516
static inline void
3517
qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
3518 3519 3520
    int defer)
{
	struct fc_rport *rport;
3521
	scsi_qla_host_t *base_vha;
3522
	unsigned long flags;
3523 3524 3525 3526 3527 3528

	if (!fcport->rport)
		return;

	rport = fcport->rport;
	if (defer) {
3529
		base_vha = pci_get_drvdata(vha->hw->pdev);
3530
		spin_lock_irqsave(vha->host->host_lock, flags);
3531
		fcport->drport = rport;
3532
		spin_unlock_irqrestore(vha->host->host_lock, flags);
3533
		qlt_do_generation_tick(vha, &base_vha->total_fcport_update_gen);
3534 3535
		set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
		qla2xxx_wake_dpc(base_vha);
3536
	} else {
3537
		int now;
3538 3539
		if (rport)
			fc_remote_port_delete(rport);
3540 3541
		qlt_do_generation_tick(vha, &now);
		qlt_fc_port_deleted(vha, fcport, now);
3542
	}
3543 3544
}

L
Linus Torvalds 已提交
3545 3546 3547 3548 3549 3550 3551 3552 3553
/*
 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
 *
 * Input: ha = adapter block pointer.  fcport = port structure pointer.
 *
 * Return: None.
 *
 * Context:
 */
3554
void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
3555
    int do_login, int defer)
L
Linus Torvalds 已提交
3556
{
3557 3558 3559 3560 3561 3562
	if (IS_QLAFX00(vha->hw)) {
		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
		qla2x00_schedule_rport_del(vha, fcport, defer);
		return;
	}

3563
	if (atomic_read(&fcport->state) == FCS_ONLINE &&
3564
	    vha->vp_idx == fcport->vha->vp_idx) {
3565
		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3566 3567
		qla2x00_schedule_rport_del(vha, fcport, defer);
	}
A
Andrew Vasquez 已提交
3568
	/*
L
Linus Torvalds 已提交
3569 3570 3571 3572
	 * We may need to retry the login, so don't change the state of the
	 * port but do the retries.
	 */
	if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
3573
		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
L
Linus Torvalds 已提交
3574 3575 3576 3577

	if (!do_login)
		return;

3578 3579
	set_bit(RELOGIN_NEEDED, &vha->dpc_flags);

L
Linus Torvalds 已提交
3580
	if (fcport->login_retry == 0) {
3581
		fcport->login_retry = vha->hw->login_retry_count;
L
Linus Torvalds 已提交
3582

3583
		ql_dbg(ql_dbg_disc, vha, 0x2067,
3584 3585
		    "Port login retry %8phN, id = 0x%04x retry cnt=%d.\n",
		    fcport->port_name, fcport->loop_id, fcport->login_retry);
L
Linus Torvalds 已提交
3586 3587 3588 3589 3590 3591 3592 3593 3594 3595 3596 3597 3598 3599 3600 3601 3602
	}
}

/*
 * qla2x00_mark_all_devices_lost
 *	Updates fcport state when device goes offline.
 *
 * Input:
 *	ha = adapter block pointer.
 *	fcport = port structure pointer.
 *
 * Return:
 *	None.
 *
 * Context:
 */
void
3603
qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
L
Linus Torvalds 已提交
3604 3605 3606
{
	fc_port_t *fcport;

3607
	list_for_each_entry(fcport, &vha->vp_fcports, list) {
3608
		if (vha->vp_idx != 0 && vha->vp_idx != fcport->vha->vp_idx)
L
Linus Torvalds 已提交
3609
			continue;
3610

L
Linus Torvalds 已提交
3611 3612 3613 3614 3615 3616
		/*
		 * No point in marking the device as lost, if the device is
		 * already DEAD.
		 */
		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
			continue;
3617
		if (atomic_read(&fcport->state) == FCS_ONLINE) {
3618
			qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3619 3620
			if (defer)
				qla2x00_schedule_rport_del(vha, fcport, defer);
3621
			else if (vha->vp_idx == fcport->vha->vp_idx)
3622 3623
				qla2x00_schedule_rport_del(vha, fcport, defer);
		}
L
Linus Torvalds 已提交
3624 3625 3626 3627 3628 3629 3630 3631 3632
	}
}

/*
* qla2x00_mem_alloc
*      Allocates adapter memory.
*
* Returns:
*      0  = success.
3633
*      !0  = failure.
L
Linus Torvalds 已提交
3634
*/
3635
static int
3636 3637
qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
	struct req_que **req, struct rsp_que **rsp)
L
Linus Torvalds 已提交
3638 3639 3640
{
	char	name[16];

3641
	ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
3642
		&ha->init_cb_dma, GFP_KERNEL);
3643
	if (!ha->init_cb)
3644
		goto fail;
3645

3646 3647 3648
	if (qlt_mem_alloc(ha) < 0)
		goto fail_free_init_cb;

3649 3650
	ha->gid_list = dma_alloc_coherent(&ha->pdev->dev,
		qla2x00_gid_list_size(ha), &ha->gid_list_dma, GFP_KERNEL);
3651
	if (!ha->gid_list)
3652
		goto fail_free_tgt_mem;
L
Linus Torvalds 已提交
3653

3654 3655
	ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
	if (!ha->srb_mempool)
3656
		goto fail_free_gid_list;
3657

3658
	if (IS_P3P_TYPE(ha)) {
3659 3660 3661 3662 3663 3664 3665 3666 3667 3668 3669 3670
		/* Allocate cache for CT6 Ctx. */
		if (!ctx_cachep) {
			ctx_cachep = kmem_cache_create("qla2xxx_ctx",
				sizeof(struct ct6_dsd), 0,
				SLAB_HWCACHE_ALIGN, NULL);
			if (!ctx_cachep)
				goto fail_free_gid_list;
		}
		ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ,
			ctx_cachep);
		if (!ha->ctx_mempool)
			goto fail_free_srb_mempool;
3671 3672 3673
		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0021,
		    "ctx_cachep=%p ctx_mempool=%p.\n",
		    ctx_cachep, ha->ctx_mempool);
3674 3675
	}

3676 3677 3678
	/* Get memory for cached NVRAM */
	ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
	if (!ha->nvram)
3679
		goto fail_free_ctx_mempool;
3680

3681 3682 3683 3684 3685 3686 3687
	snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
		ha->pdev->device);
	ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
		DMA_POOL_SIZE, 8, 0);
	if (!ha->s_dma_pool)
		goto fail_free_nvram;

3688 3689 3690 3691
	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0022,
	    "init_cb=%p gid_list=%p, srb_mempool=%p s_dma_pool=%p.\n",
	    ha->init_cb, ha->gid_list, ha->srb_mempool, ha->s_dma_pool);

3692
	if (IS_P3P_TYPE(ha) || ql2xenabledif) {
3693 3694 3695
		ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
			DSD_LIST_DMA_POOL_SIZE, 8, 0);
		if (!ha->dl_dma_pool) {
3696 3697
			ql_log_pci(ql_log_fatal, ha->pdev, 0x0023,
			    "Failed to allocate memory for dl_dma_pool.\n");
3698 3699 3700 3701 3702 3703
			goto fail_s_dma_pool;
		}

		ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev,
			FCP_CMND_DMA_POOL_SIZE, 8, 0);
		if (!ha->fcp_cmnd_dma_pool) {
3704 3705
			ql_log_pci(ql_log_fatal, ha->pdev, 0x0024,
			    "Failed to allocate memory for fcp_cmnd_dma_pool.\n");
3706 3707
			goto fail_dl_dma_pool;
		}
3708 3709 3710
		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0025,
		    "dl_dma_pool=%p fcp_cmnd_dma_pool=%p.\n",
		    ha->dl_dma_pool, ha->fcp_cmnd_dma_pool);
3711 3712
	}

3713 3714
	/* Allocate memory for SNS commands */
	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3715
	/* Get consistent memory allocated for SNS commands */
3716
		ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
3717
		sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
3718
		if (!ha->sns_cmd)
3719
			goto fail_dma_pool;
3720
		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0026,
3721
		    "sns_cmd: %p.\n", ha->sns_cmd);
3722
	} else {
3723
	/* Get consistent memory allocated for MS IOCB */
3724
		ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
3725
			&ha->ms_iocb_dma);
3726
		if (!ha->ms_iocb)
3727 3728
			goto fail_dma_pool;
	/* Get consistent memory allocated for CT SNS commands */
3729
		ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
3730
			sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
3731 3732
		if (!ha->ct_sns)
			goto fail_free_ms_iocb;
3733 3734 3735
		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0027,
		    "ms_iocb=%p ct_sns=%p.\n",
		    ha->ms_iocb, ha->ct_sns);
L
Linus Torvalds 已提交
3736 3737
	}

3738
	/* Allocate memory for request ring */
3739 3740
	*req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
	if (!*req) {
3741 3742
		ql_log_pci(ql_log_fatal, ha->pdev, 0x0028,
		    "Failed to allocate memory for req.\n");
3743 3744
		goto fail_req;
	}
3745 3746 3747 3748 3749
	(*req)->length = req_len;
	(*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
		((*req)->length + 1) * sizeof(request_t),
		&(*req)->dma, GFP_KERNEL);
	if (!(*req)->ring) {
3750 3751
		ql_log_pci(ql_log_fatal, ha->pdev, 0x0029,
		    "Failed to allocate memory for req_ring.\n");
3752 3753 3754
		goto fail_req_ring;
	}
	/* Allocate memory for response ring */
3755 3756
	*rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
	if (!*rsp) {
3757 3758
		ql_log_pci(ql_log_fatal, ha->pdev, 0x002a,
		    "Failed to allocate memory for rsp.\n");
3759 3760
		goto fail_rsp;
	}
3761 3762 3763 3764 3765 3766
	(*rsp)->hw = ha;
	(*rsp)->length = rsp_len;
	(*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
		((*rsp)->length + 1) * sizeof(response_t),
		&(*rsp)->dma, GFP_KERNEL);
	if (!(*rsp)->ring) {
3767 3768
		ql_log_pci(ql_log_fatal, ha->pdev, 0x002b,
		    "Failed to allocate memory for rsp_ring.\n");
3769 3770
		goto fail_rsp_ring;
	}
3771 3772
	(*req)->rsp = *rsp;
	(*rsp)->req = *req;
3773 3774 3775 3776 3777
	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002c,
	    "req=%p req->length=%d req->ring=%p rsp=%p "
	    "rsp->length=%d rsp->ring=%p.\n",
	    *req, (*req)->length, (*req)->ring, *rsp, (*rsp)->length,
	    (*rsp)->ring);
3778 3779 3780
	/* Allocate memory for NVRAM data for vports */
	if (ha->nvram_npiv_size) {
		ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
3781
		    ha->nvram_npiv_size, GFP_KERNEL);
3782
		if (!ha->npiv_info) {
3783 3784
			ql_log_pci(ql_log_fatal, ha->pdev, 0x002d,
			    "Failed to allocate memory for npiv_info.\n");
3785 3786 3787 3788
			goto fail_npiv_info;
		}
	} else
		ha->npiv_info = NULL;
3789

3790
	/* Get consistent memory allocated for EX-INIT-CB. */
3791
	if (IS_CNA_CAPABLE(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha)) {
3792 3793 3794 3795
		ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
		    &ha->ex_init_cb_dma);
		if (!ha->ex_init_cb)
			goto fail_ex_init_cb;
3796 3797
		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002e,
		    "ex_init_cb=%p.\n", ha->ex_init_cb);
3798 3799
	}

3800 3801
	INIT_LIST_HEAD(&ha->gbl_dsd_list);

3802 3803 3804 3805 3806 3807
	/* Get consistent memory allocated for Async Port-Database. */
	if (!IS_FWI2_CAPABLE(ha)) {
		ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
			&ha->async_pd_dma);
		if (!ha->async_pd)
			goto fail_async_pd;
3808 3809
		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002f,
		    "async_pd=%p.\n", ha->async_pd);
3810 3811
	}

3812
	INIT_LIST_HEAD(&ha->vp_list);
3813 3814 3815 3816 3817 3818 3819 3820 3821

	/* Allocate memory for our loop_id bitmap */
	ha->loop_id_map = kzalloc(BITS_TO_LONGS(LOOPID_MAP_SIZE) * sizeof(long),
	    GFP_KERNEL);
	if (!ha->loop_id_map)
		goto fail_async_pd;
	else {
		qla2x00_set_reserved_loop_ids(ha);
		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0123,
3822
		    "loop_id_map=%p.\n", ha->loop_id_map);
3823 3824
	}

3825
	return 0;
3826

3827 3828
fail_async_pd:
	dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
3829 3830
fail_ex_init_cb:
	kfree(ha->npiv_info);
3831 3832 3833 3834 3835
fail_npiv_info:
	dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
		sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
	(*rsp)->ring = NULL;
	(*rsp)->dma = 0;
3836
fail_rsp_ring:
3837
	kfree(*rsp);
3838
fail_rsp:
3839 3840 3841 3842
	dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
		sizeof(request_t), (*req)->ring, (*req)->dma);
	(*req)->ring = NULL;
	(*req)->dma = 0;
3843
fail_req_ring:
3844
	kfree(*req);
3845 3846 3847 3848 3849
fail_req:
	dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
		ha->ct_sns, ha->ct_sns_dma);
	ha->ct_sns = NULL;
	ha->ct_sns_dma = 0;
3850 3851 3852 3853
fail_free_ms_iocb:
	dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
	ha->ms_iocb = NULL;
	ha->ms_iocb_dma = 0;
3854
fail_dma_pool:
3855
	if (IS_QLA82XX(ha) || ql2xenabledif) {
3856 3857 3858 3859
		dma_pool_destroy(ha->fcp_cmnd_dma_pool);
		ha->fcp_cmnd_dma_pool = NULL;
	}
fail_dl_dma_pool:
3860
	if (IS_QLA82XX(ha) || ql2xenabledif) {
3861 3862 3863 3864
		dma_pool_destroy(ha->dl_dma_pool);
		ha->dl_dma_pool = NULL;
	}
fail_s_dma_pool:
3865 3866
	dma_pool_destroy(ha->s_dma_pool);
	ha->s_dma_pool = NULL;
3867 3868 3869
fail_free_nvram:
	kfree(ha->nvram);
	ha->nvram = NULL;
3870 3871 3872
fail_free_ctx_mempool:
	mempool_destroy(ha->ctx_mempool);
	ha->ctx_mempool = NULL;
3873 3874 3875 3876
fail_free_srb_mempool:
	mempool_destroy(ha->srb_mempool);
	ha->srb_mempool = NULL;
fail_free_gid_list:
3877 3878
	dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
	ha->gid_list,
3879
	ha->gid_list_dma);
3880 3881
	ha->gid_list = NULL;
	ha->gid_list_dma = 0;
3882 3883
fail_free_tgt_mem:
	qlt_mem_free(ha);
3884 3885 3886 3887 3888
fail_free_init_cb:
	dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
	ha->init_cb_dma);
	ha->init_cb = NULL;
	ha->init_cb_dma = 0;
3889
fail:
3890 3891
	ql_log(ql_log_fatal, NULL, 0x0030,
	    "Memory allocation failure.\n");
3892
	return -ENOMEM;
L
Linus Torvalds 已提交
3893 3894
}

3895 3896 3897 3898 3899 3900 3901 3902 3903 3904 3905 3906 3907 3908 3909 3910 3911 3912 3913 3914 3915 3916 3917 3918 3919 3920 3921 3922 3923 3924 3925 3926 3927 3928 3929 3930 3931 3932 3933 3934 3935 3936 3937 3938 3939 3940 3941 3942 3943 3944 3945 3946 3947 3948 3949 3950 3951 3952 3953 3954 3955 3956 3957 3958 3959 3960
int
qla2x00_set_exlogins_buffer(scsi_qla_host_t *vha)
{
	int rval;
	uint16_t	size, max_cnt, temp;
	struct qla_hw_data *ha = vha->hw;

	/* Return if we don't need to alloacate any extended logins */
	if (!ql2xexlogins)
		return QLA_SUCCESS;

	ql_log(ql_log_info, vha, 0xd021, "EXLOGIN count: %d.\n", ql2xexlogins);
	max_cnt = 0;
	rval = qla_get_exlogin_status(vha, &size, &max_cnt);
	if (rval != QLA_SUCCESS) {
		ql_log_pci(ql_log_fatal, ha->pdev, 0xd029,
		    "Failed to get exlogin status.\n");
		return rval;
	}

	temp = (ql2xexlogins > max_cnt) ? max_cnt : ql2xexlogins;
	ha->exlogin_size = (size * temp);
	ql_log(ql_log_info, vha, 0xd024,
		"EXLOGIN: max_logins=%d, portdb=0x%x, total=%d.\n",
		max_cnt, size, temp);

	ql_log(ql_log_info, vha, 0xd025, "EXLOGIN: requested size=0x%x\n",
		ha->exlogin_size);

	/* Get consistent memory for extended logins */
	ha->exlogin_buf = dma_alloc_coherent(&ha->pdev->dev,
	    ha->exlogin_size, &ha->exlogin_buf_dma, GFP_KERNEL);
	if (!ha->exlogin_buf) {
		ql_log_pci(ql_log_fatal, ha->pdev, 0xd02a,
		    "Failed to allocate memory for exlogin_buf_dma.\n");
		return -ENOMEM;
	}

	/* Now configure the dma buffer */
	rval = qla_set_exlogin_mem_cfg(vha, ha->exlogin_buf_dma);
	if (rval) {
		ql_log(ql_log_fatal, vha, 0x00cf,
		    "Setup extended login buffer  ****FAILED****.\n");
		qla2x00_free_exlogin_buffer(ha);
	}

	return rval;
}

/*
* qla2x00_free_exlogin_buffer
*
* Input:
*	ha = adapter block pointer
*/
void
qla2x00_free_exlogin_buffer(struct qla_hw_data *ha)
{
	if (ha->exlogin_buf) {
		dma_free_coherent(&ha->pdev->dev, ha->exlogin_size,
		    ha->exlogin_buf, ha->exlogin_buf_dma);
		ha->exlogin_buf = NULL;
		ha->exlogin_size = 0;
	}
}

3961 3962 3963 3964 3965 3966 3967 3968 3969 3970 3971 3972 3973 3974 3975 3976 3977 3978 3979 3980 3981 3982 3983 3984 3985 3986 3987 3988 3989 3990 3991 3992 3993 3994 3995 3996 3997 3998 3999 4000 4001 4002 4003 4004 4005 4006 4007 4008 4009 4010 4011 4012 4013 4014 4015 4016 4017 4018 4019 4020 4021 4022 4023 4024 4025 4026 4027 4028
int
qla2x00_set_exchoffld_buffer(scsi_qla_host_t *vha)
{
	int rval;
	uint16_t	size, max_cnt, temp;
	struct qla_hw_data *ha = vha->hw;

	/* Return if we don't need to alloacate any extended logins */
	if (!ql2xexchoffld)
		return QLA_SUCCESS;

	ql_log(ql_log_info, vha, 0xd014,
	    "Exchange offload count: %d.\n", ql2xexlogins);

	max_cnt = 0;
	rval = qla_get_exchoffld_status(vha, &size, &max_cnt);
	if (rval != QLA_SUCCESS) {
		ql_log_pci(ql_log_fatal, ha->pdev, 0xd012,
		    "Failed to get exlogin status.\n");
		return rval;
	}

	temp = (ql2xexchoffld > max_cnt) ? max_cnt : ql2xexchoffld;
	ha->exchoffld_size = (size * temp);
	ql_log(ql_log_info, vha, 0xd016,
		"Exchange offload: max_count=%d, buffers=0x%x, total=%d.\n",
		max_cnt, size, temp);

	ql_log(ql_log_info, vha, 0xd017,
	    "Exchange Buffers requested size = 0x%x\n", ha->exchoffld_size);

	/* Get consistent memory for extended logins */
	ha->exchoffld_buf = dma_alloc_coherent(&ha->pdev->dev,
	    ha->exchoffld_size, &ha->exchoffld_buf_dma, GFP_KERNEL);
	if (!ha->exchoffld_buf) {
		ql_log_pci(ql_log_fatal, ha->pdev, 0xd013,
		    "Failed to allocate memory for exchoffld_buf_dma.\n");
		return -ENOMEM;
	}

	/* Now configure the dma buffer */
	rval = qla_set_exchoffld_mem_cfg(vha, ha->exchoffld_buf_dma);
	if (rval) {
		ql_log(ql_log_fatal, vha, 0xd02e,
		    "Setup exchange offload buffer ****FAILED****.\n");
		qla2x00_free_exchoffld_buffer(ha);
	}

	return rval;
}

/*
* qla2x00_free_exchoffld_buffer
*
* Input:
*	ha = adapter block pointer
*/
void
qla2x00_free_exchoffld_buffer(struct qla_hw_data *ha)
{
	if (ha->exchoffld_buf) {
		dma_free_coherent(&ha->pdev->dev, ha->exchoffld_size,
		    ha->exchoffld_buf, ha->exchoffld_buf_dma);
		ha->exchoffld_buf = NULL;
		ha->exchoffld_size = 0;
	}
}

L
Linus Torvalds 已提交
4029
/*
4030 4031
* qla2x00_free_fw_dump
*	Frees fw dump stuff.
L
Linus Torvalds 已提交
4032 4033
*
* Input:
4034
*	ha = adapter block pointer
L
Linus Torvalds 已提交
4035
*/
A
Adrian Bunk 已提交
4036
static void
4037
qla2x00_free_fw_dump(struct qla_hw_data *ha)
L
Linus Torvalds 已提交
4038
{
4039
	if (ha->fce)
4040 4041
		dma_free_coherent(&ha->pdev->dev,
		    FCE_SIZE, ha->fce, ha->fce_dma);
4042

4043 4044 4045 4046 4047
	if (ha->eft)
		dma_free_coherent(&ha->pdev->dev,
		    EFT_SIZE, ha->eft, ha->eft_dma);

	if (ha->fw_dump)
4048
		vfree(ha->fw_dump);
4049 4050 4051
	if (ha->fw_dump_template)
		vfree(ha->fw_dump_template);

4052 4053 4054 4055 4056
	ha->fce = NULL;
	ha->fce_dma = 0;
	ha->eft = NULL;
	ha->eft_dma = 0;
	ha->fw_dumped = 0;
4057
	ha->fw_dump_cap_flags = 0;
4058
	ha->fw_dump_reading = 0;
4059 4060 4061 4062
	ha->fw_dump = NULL;
	ha->fw_dump_len = 0;
	ha->fw_dump_template = NULL;
	ha->fw_dump_template_len = 0;
4063 4064 4065 4066 4067 4068 4069 4070 4071 4072 4073 4074 4075 4076
}

/*
* qla2x00_mem_free
*      Frees all adapter allocated memory.
*
* Input:
*      ha = adapter block pointer.
*/
static void
qla2x00_mem_free(struct qla_hw_data *ha)
{
	qla2x00_free_fw_dump(ha);

4077 4078 4079 4080
	if (ha->mctp_dump)
		dma_free_coherent(&ha->pdev->dev, MCTP_DUMP_SIZE, ha->mctp_dump,
		    ha->mctp_dump_dma);

4081 4082
	if (ha->srb_mempool)
		mempool_destroy(ha->srb_mempool);
4083

4084 4085 4086 4087
	if (ha->dcbx_tlv)
		dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
		    ha->dcbx_tlv, ha->dcbx_tlv_dma);

4088 4089 4090 4091
	if (ha->xgmac_data)
		dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
		    ha->xgmac_data, ha->xgmac_data_dma);

L
Linus Torvalds 已提交
4092 4093
	if (ha->sns_cmd)
		dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
4094
		ha->sns_cmd, ha->sns_cmd_dma);
L
Linus Torvalds 已提交
4095 4096 4097

	if (ha->ct_sns)
		dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
4098
		ha->ct_sns, ha->ct_sns_dma);
L
Linus Torvalds 已提交
4099

4100 4101 4102
	if (ha->sfp_data)
		dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);

L
Linus Torvalds 已提交
4103 4104 4105
	if (ha->ms_iocb)
		dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);

4106
	if (ha->ex_init_cb)
4107 4108
		dma_pool_free(ha->s_dma_pool,
			ha->ex_init_cb, ha->ex_init_cb_dma);
4109

4110 4111 4112
	if (ha->async_pd)
		dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);

L
Linus Torvalds 已提交
4113 4114 4115 4116
	if (ha->s_dma_pool)
		dma_pool_destroy(ha->s_dma_pool);

	if (ha->gid_list)
4117 4118
		dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
		ha->gid_list, ha->gid_list_dma);
L
Linus Torvalds 已提交
4119

4120 4121 4122 4123 4124 4125 4126 4127 4128 4129 4130 4131 4132 4133 4134 4135 4136 4137 4138 4139 4140 4141 4142 4143
	if (IS_QLA82XX(ha)) {
		if (!list_empty(&ha->gbl_dsd_list)) {
			struct dsd_dma *dsd_ptr, *tdsd_ptr;

			/* clean up allocated prev pool */
			list_for_each_entry_safe(dsd_ptr,
				tdsd_ptr, &ha->gbl_dsd_list, list) {
				dma_pool_free(ha->dl_dma_pool,
				dsd_ptr->dsd_addr, dsd_ptr->dsd_list_dma);
				list_del(&dsd_ptr->list);
				kfree(dsd_ptr);
			}
		}
	}

	if (ha->dl_dma_pool)
		dma_pool_destroy(ha->dl_dma_pool);

	if (ha->fcp_cmnd_dma_pool)
		dma_pool_destroy(ha->fcp_cmnd_dma_pool);

	if (ha->ctx_mempool)
		mempool_destroy(ha->ctx_mempool);

4144 4145
	qlt_mem_free(ha);

4146 4147
	if (ha->init_cb)
		dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
4148
			ha->init_cb, ha->init_cb_dma);
4149 4150
	vfree(ha->optrom_buffer);
	kfree(ha->nvram);
4151
	kfree(ha->npiv_info);
4152
	kfree(ha->swl);
4153
	kfree(ha->loop_id_map);
L
Linus Torvalds 已提交
4154

4155
	ha->srb_mempool = NULL;
4156
	ha->ctx_mempool = NULL;
L
Linus Torvalds 已提交
4157 4158 4159 4160 4161 4162 4163 4164
	ha->sns_cmd = NULL;
	ha->sns_cmd_dma = 0;
	ha->ct_sns = NULL;
	ha->ct_sns_dma = 0;
	ha->ms_iocb = NULL;
	ha->ms_iocb_dma = 0;
	ha->init_cb = NULL;
	ha->init_cb_dma = 0;
4165 4166
	ha->ex_init_cb = NULL;
	ha->ex_init_cb_dma = 0;
4167 4168
	ha->async_pd = NULL;
	ha->async_pd_dma = 0;
L
Linus Torvalds 已提交
4169 4170

	ha->s_dma_pool = NULL;
4171 4172
	ha->dl_dma_pool = NULL;
	ha->fcp_cmnd_dma_pool = NULL;
L
Linus Torvalds 已提交
4173 4174 4175

	ha->gid_list = NULL;
	ha->gid_list_dma = 0;
4176 4177 4178 4179

	ha->tgt.atio_ring = NULL;
	ha->tgt.atio_dma = 0;
	ha->tgt.tgt_vp_map = NULL;
4180
}
L
Linus Torvalds 已提交
4181

4182 4183 4184 4185 4186
struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
						struct qla_hw_data *ha)
{
	struct Scsi_Host *host;
	struct scsi_qla_host *vha = NULL;
4187

4188 4189
	host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
	if (host == NULL) {
4190 4191
		ql_log_pci(ql_log_fatal, ha->pdev, 0x0107,
		    "Failed to allocate host from the scsi layer, aborting.\n");
4192 4193 4194 4195 4196 4197 4198 4199 4200 4201 4202 4203 4204 4205
		goto fail;
	}

	/* Clear our data area */
	vha = shost_priv(host);
	memset(vha, 0, sizeof(scsi_qla_host_t));

	vha->host = host;
	vha->host_no = host->host_no;
	vha->hw = ha;

	INIT_LIST_HEAD(&vha->vp_fcports);
	INIT_LIST_HEAD(&vha->work_list);
	INIT_LIST_HEAD(&vha->list);
4206 4207
	INIT_LIST_HEAD(&vha->qla_cmd_list);
	INIT_LIST_HEAD(&vha->qla_sess_op_cmd_list);
4208
	INIT_LIST_HEAD(&vha->logo_list);
4209
	INIT_LIST_HEAD(&vha->plogi_ack_list);
4210
	INIT_LIST_HEAD(&vha->qp_list);
4211

4212
	spin_lock_init(&vha->work_lock);
4213
	spin_lock_init(&vha->cmd_list_lock);
4214

4215
	sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
4216 4217 4218 4219 4220
	ql_dbg(ql_dbg_init, vha, 0x0041,
	    "Allocated the host=%p hw=%p vha=%p dev_name=%s",
	    vha->host, vha->hw, vha,
	    dev_name(&(ha->pdev->dev)));

4221 4222 4223 4224
	return vha;

fail:
	return vha;
L
Linus Torvalds 已提交
4225 4226
}

4227
static struct qla_work_evt *
4228
qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
4229 4230
{
	struct qla_work_evt *e;
4231 4232 4233 4234 4235
	uint8_t bail;

	QLA_VHA_MARK_BUSY(vha, bail);
	if (bail)
		return NULL;
4236

4237
	e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
4238 4239
	if (!e) {
		QLA_VHA_MARK_NOT_BUSY(vha);
4240
		return NULL;
4241
	}
4242 4243 4244 4245 4246 4247 4248

	INIT_LIST_HEAD(&e->list);
	e->type = type;
	e->flags = QLA_EVT_FLAG_FREE;
	return e;
}

4249
static int
4250
qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
4251
{
4252
	unsigned long flags;
4253

4254
	spin_lock_irqsave(&vha->work_lock, flags);
4255
	list_add_tail(&e->list, &vha->work_list);
4256
	spin_unlock_irqrestore(&vha->work_lock, flags);
4257
	qla2xxx_wake_dpc(vha);
4258

4259 4260 4261 4262
	return QLA_SUCCESS;
}

int
4263
qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
4264 4265 4266 4267
    u32 data)
{
	struct qla_work_evt *e;

4268
	e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
4269 4270 4271 4272 4273
	if (!e)
		return QLA_FUNCTION_FAILED;

	e->u.aen.code = code;
	e->u.aen.data = data;
4274
	return qla2x00_post_work(vha, e);
4275 4276
}

4277 4278 4279 4280 4281
int
qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
{
	struct qla_work_evt *e;

4282
	e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
4283 4284 4285 4286
	if (!e)
		return QLA_FUNCTION_FAILED;

	memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
4287
	return qla2x00_post_work(vha, e);
4288 4289
}

4290 4291 4292 4293 4294 4295 4296 4297 4298 4299 4300 4301 4302 4303 4304 4305 4306 4307 4308 4309 4310 4311 4312
#define qla2x00_post_async_work(name, type)	\
int qla2x00_post_async_##name##_work(		\
    struct scsi_qla_host *vha,			\
    fc_port_t *fcport, uint16_t *data)		\
{						\
	struct qla_work_evt *e;			\
						\
	e = qla2x00_alloc_work(vha, type);	\
	if (!e)					\
		return QLA_FUNCTION_FAILED;	\
						\
	e->u.logio.fcport = fcport;		\
	if (data) {				\
		e->u.logio.data[0] = data[0];	\
		e->u.logio.data[1] = data[1];	\
	}					\
	return qla2x00_post_work(vha, e);	\
}

qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
qla2x00_post_async_work(login_done, QLA_EVT_ASYNC_LOGIN_DONE);
qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE);
4313 4314
qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC);
qla2x00_post_async_work(adisc_done, QLA_EVT_ASYNC_ADISC_DONE);
4315

4316 4317 4318 4319 4320 4321 4322 4323 4324 4325 4326 4327 4328 4329 4330 4331 4332 4333 4334 4335 4336 4337 4338 4339 4340 4341 4342 4343 4344 4345 4346
int
qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
{
	struct qla_work_evt *e;

	e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
	if (!e)
		return QLA_FUNCTION_FAILED;

	e->u.uevent.code = code;
	return qla2x00_post_work(vha, e);
}

static void
qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
{
	char event_string[40];
	char *envp[] = { event_string, NULL };

	switch (code) {
	case QLA_UEVENT_CODE_FW_DUMP:
		snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld",
		    vha->host_no);
		break;
	default:
		/* do nothing */
		break;
	}
	kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
}

4347 4348 4349 4350 4351 4352 4353 4354 4355 4356 4357 4358 4359 4360 4361 4362
int
qlafx00_post_aenfx_work(struct scsi_qla_host *vha,  uint32_t evtcode,
			uint32_t *data, int cnt)
{
	struct qla_work_evt *e;

	e = qla2x00_alloc_work(vha, QLA_EVT_AENFX);
	if (!e)
		return QLA_FUNCTION_FAILED;

	e->u.aenfx.evtcode = evtcode;
	e->u.aenfx.count = cnt;
	memcpy(e->u.aenfx.mbx, data, sizeof(*data) * cnt);
	return qla2x00_post_work(vha, e);
}

4363
void
4364
qla2x00_do_work(struct scsi_qla_host *vha)
4365
{
4366 4367 4368
	struct qla_work_evt *e, *tmp;
	unsigned long flags;
	LIST_HEAD(work);
4369

4370 4371 4372 4373 4374
	spin_lock_irqsave(&vha->work_lock, flags);
	list_splice_init(&vha->work_list, &work);
	spin_unlock_irqrestore(&vha->work_lock, flags);

	list_for_each_entry_safe(e, tmp, &work, list) {
4375 4376 4377 4378
		list_del_init(&e->list);

		switch (e->type) {
		case QLA_EVT_AEN:
4379
			fc_host_post_event(vha->host, fc_get_event_number(),
4380 4381
			    e->u.aen.code, e->u.aen.data);
			break;
4382 4383 4384
		case QLA_EVT_IDC_ACK:
			qla81xx_idc_ack(vha, e->u.idc_ack.mb);
			break;
4385 4386 4387 4388 4389 4390 4391 4392 4393 4394 4395 4396 4397 4398 4399
		case QLA_EVT_ASYNC_LOGIN:
			qla2x00_async_login(vha, e->u.logio.fcport,
			    e->u.logio.data);
			break;
		case QLA_EVT_ASYNC_LOGIN_DONE:
			qla2x00_async_login_done(vha, e->u.logio.fcport,
			    e->u.logio.data);
			break;
		case QLA_EVT_ASYNC_LOGOUT:
			qla2x00_async_logout(vha, e->u.logio.fcport);
			break;
		case QLA_EVT_ASYNC_LOGOUT_DONE:
			qla2x00_async_logout_done(vha, e->u.logio.fcport,
			    e->u.logio.data);
			break;
4400 4401 4402 4403 4404 4405 4406 4407
		case QLA_EVT_ASYNC_ADISC:
			qla2x00_async_adisc(vha, e->u.logio.fcport,
			    e->u.logio.data);
			break;
		case QLA_EVT_ASYNC_ADISC_DONE:
			qla2x00_async_adisc_done(vha, e->u.logio.fcport,
			    e->u.logio.data);
			break;
4408 4409 4410
		case QLA_EVT_UEVENT:
			qla2x00_uevent_emit(vha, e->u.uevent.code);
			break;
4411 4412 4413
		case QLA_EVT_AENFX:
			qlafx00_process_aen(vha, e);
			break;
4414 4415 4416
		}
		if (e->flags & QLA_EVT_FLAG_FREE)
			kfree(e);
4417 4418 4419

		/* For each work completed decrement vha ref count */
		QLA_VHA_MARK_NOT_BUSY(vha);
4420 4421
	}
}
4422

4423 4424 4425 4426 4427 4428
/* Relogins all the fcports of a vport
 * Context: dpc thread
 */
void qla2x00_relogin(struct scsi_qla_host *vha)
{
	fc_port_t       *fcport;
4429
	int status;
4430 4431
	uint16_t        next_loopid = 0;
	struct qla_hw_data *ha = vha->hw;
4432
	uint16_t data[2];
4433 4434 4435 4436 4437 4438

	list_for_each_entry(fcport, &vha->vp_fcports, list) {
	/*
	 * If the port is not ONLINE then try to login
	 * to it if we haven't run out of retries.
	 */
4439 4440
		if (atomic_read(&fcport->state) != FCS_ONLINE &&
		    fcport->login_retry && !(fcport->flags & FCF_ASYNC_SENT)) {
4441
			fcport->login_retry--;
4442
			if (fcport->flags & FCF_FABRIC_DEVICE) {
4443
				if (fcport->flags & FCF_FCP2_DEVICE)
4444 4445 4446 4447 4448 4449
					ha->isp_ops->fabric_logout(vha,
							fcport->loop_id,
							fcport->d_id.b.domain,
							fcport->d_id.b.area,
							fcport->d_id.b.al_pa);

4450 4451 4452 4453 4454 4455 4456 4457 4458 4459 4460
				if (fcport->loop_id == FC_NO_LOOP_ID) {
					fcport->loop_id = next_loopid =
					    ha->min_external_loopid;
					status = qla2x00_find_new_loop_id(
					    vha, fcport);
					if (status != QLA_SUCCESS) {
						/* Ran out of IDs to use */
						break;
					}
				}

4461
				if (IS_ALOGIO_CAPABLE(ha)) {
4462
					fcport->flags |= FCF_ASYNC_SENT;
4463 4464 4465 4466 4467 4468 4469 4470
					data[0] = 0;
					data[1] = QLA_LOGIO_LOGIN_RETRIED;
					status = qla2x00_post_async_login_work(
					    vha, fcport, data);
					if (status == QLA_SUCCESS)
						continue;
					/* Attempt a retry. */
					status = 1;
4471
				} else {
4472 4473
					status = qla2x00_fabric_login(vha,
					    fcport, &next_loopid);
4474 4475 4476 4477 4478 4479 4480 4481
					if (status ==  QLA_SUCCESS) {
						int status2;
						uint8_t opts;

						opts = 0;
						if (fcport->flags &
						    FCF_FCP2_DEVICE)
							opts |= BIT_1;
4482 4483 4484
						status2 =
						    qla2x00_get_port_database(
							vha, fcport, opts);
4485 4486 4487 4488
						if (status2 != QLA_SUCCESS)
							status = 1;
					}
				}
4489 4490 4491 4492 4493 4494 4495
			} else
				status = qla2x00_local_device_login(vha,
								fcport);

			if (status == QLA_SUCCESS) {
				fcport->old_loop_id = fcport->loop_id;

4496 4497 4498
				ql_dbg(ql_dbg_disc, vha, 0x2003,
				    "Port login OK: logged in ID 0x%x.\n",
				    fcport->loop_id);
4499 4500 4501 4502 4503 4504

				qla2x00_update_fcport(vha, fcport);

			} else if (status == 1) {
				set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
				/* retry the login again */
4505 4506 4507
				ql_dbg(ql_dbg_disc, vha, 0x2007,
				    "Retrying %d login again loop_id 0x%x.\n",
				    fcport->login_retry, fcport->loop_id);
4508 4509 4510 4511 4512
			} else {
				fcport->login_retry = 0;
			}

			if (fcport->login_retry == 0 && status != QLA_SUCCESS)
4513
				qla2x00_clear_loop_id(fcport);
4514 4515 4516
		}
		if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
			break;
4517 4518 4519
	}
}

4520 4521 4522 4523 4524 4525 4526 4527 4528 4529 4530 4531 4532 4533 4534 4535 4536 4537 4538 4539 4540 4541 4542 4543 4544 4545 4546 4547 4548 4549 4550
/* Schedule work on any of the dpc-workqueues */
void
qla83xx_schedule_work(scsi_qla_host_t *base_vha, int work_code)
{
	struct qla_hw_data *ha = base_vha->hw;

	switch (work_code) {
	case MBA_IDC_AEN: /* 0x8200 */
		if (ha->dpc_lp_wq)
			queue_work(ha->dpc_lp_wq, &ha->idc_aen);
		break;

	case QLA83XX_NIC_CORE_RESET: /* 0x1 */
		if (!ha->flags.nic_core_reset_hdlr_active) {
			if (ha->dpc_hp_wq)
				queue_work(ha->dpc_hp_wq, &ha->nic_core_reset);
		} else
			ql_dbg(ql_dbg_p3p, base_vha, 0xb05e,
			    "NIC Core reset is already active. Skip "
			    "scheduling it again.\n");
		break;
	case QLA83XX_IDC_STATE_HANDLER: /* 0x2 */
		if (ha->dpc_hp_wq)
			queue_work(ha->dpc_hp_wq, &ha->idc_state_handler);
		break;
	case QLA83XX_NIC_CORE_UNRECOVERABLE: /* 0x3 */
		if (ha->dpc_hp_wq)
			queue_work(ha->dpc_hp_wq, &ha->nic_core_unrecoverable);
		break;
	default:
		ql_log(ql_log_warn, base_vha, 0xb05f,
4551
		    "Unknown work-code=0x%x.\n", work_code);
4552 4553 4554 4555 4556 4557 4558 4559 4560 4561
	}

	return;
}

/* Work: Perform NIC Core Unrecoverable state handling */
void
qla83xx_nic_core_unrecoverable_work(struct work_struct *work)
{
	struct qla_hw_data *ha =
4562
		container_of(work, struct qla_hw_data, nic_core_unrecoverable);
4563 4564 4565 4566 4567 4568 4569 4570 4571 4572 4573 4574 4575 4576 4577 4578 4579 4580 4581 4582 4583
	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
	uint32_t dev_state = 0;

	qla83xx_idc_lock(base_vha, 0);
	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
	qla83xx_reset_ownership(base_vha);
	if (ha->flags.nic_core_reset_owner) {
		ha->flags.nic_core_reset_owner = 0;
		qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
		    QLA8XXX_DEV_FAILED);
		ql_log(ql_log_info, base_vha, 0xb060, "HW State: FAILED.\n");
		qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
	}
	qla83xx_idc_unlock(base_vha, 0);
}

/* Work: Execute IDC state handler */
void
qla83xx_idc_state_handler_work(struct work_struct *work)
{
	struct qla_hw_data *ha =
4584
		container_of(work, struct qla_hw_data, idc_state_handler);
4585 4586 4587 4588 4589 4590 4591 4592 4593 4594 4595
	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
	uint32_t dev_state = 0;

	qla83xx_idc_lock(base_vha, 0);
	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
	if (dev_state == QLA8XXX_DEV_FAILED ||
			dev_state == QLA8XXX_DEV_NEED_QUIESCENT)
		qla83xx_idc_state_handler(base_vha);
	qla83xx_idc_unlock(base_vha, 0);
}

4596
static int
4597 4598 4599 4600 4601 4602 4603 4604 4605 4606 4607 4608 4609 4610 4611 4612 4613 4614 4615 4616 4617 4618 4619 4620 4621 4622 4623 4624 4625 4626 4627 4628 4629 4630 4631 4632 4633
qla83xx_check_nic_core_fw_alive(scsi_qla_host_t *base_vha)
{
	int rval = QLA_SUCCESS;
	unsigned long heart_beat_wait = jiffies + (1 * HZ);
	uint32_t heart_beat_counter1, heart_beat_counter2;

	do {
		if (time_after(jiffies, heart_beat_wait)) {
			ql_dbg(ql_dbg_p3p, base_vha, 0xb07c,
			    "Nic Core f/w is not alive.\n");
			rval = QLA_FUNCTION_FAILED;
			break;
		}

		qla83xx_idc_lock(base_vha, 0);
		qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
		    &heart_beat_counter1);
		qla83xx_idc_unlock(base_vha, 0);
		msleep(100);
		qla83xx_idc_lock(base_vha, 0);
		qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
		    &heart_beat_counter2);
		qla83xx_idc_unlock(base_vha, 0);
	} while (heart_beat_counter1 == heart_beat_counter2);

	return rval;
}

/* Work: Perform NIC Core Reset handling */
void
qla83xx_nic_core_reset_work(struct work_struct *work)
{
	struct qla_hw_data *ha =
		container_of(work, struct qla_hw_data, nic_core_reset);
	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
	uint32_t dev_state = 0;

4634 4635 4636 4637 4638 4639 4640
	if (IS_QLA2031(ha)) {
		if (qla2xxx_mctp_dump(base_vha) != QLA_SUCCESS)
			ql_log(ql_log_warn, base_vha, 0xb081,
			    "Failed to dump mctp\n");
		return;
	}

4641 4642 4643 4644 4645 4646 4647 4648 4649 4650 4651 4652 4653 4654 4655 4656 4657 4658 4659 4660 4661 4662 4663 4664 4665 4666 4667 4668 4669 4670 4671 4672 4673 4674 4675 4676 4677 4678 4679 4680 4681 4682 4683 4684 4685 4686 4687 4688 4689 4690 4691 4692 4693 4694 4695 4696 4697 4698 4699 4700 4701 4702 4703 4704 4705 4706 4707 4708 4709 4710 4711 4712 4713
	if (!ha->flags.nic_core_reset_hdlr_active) {
		if (qla83xx_check_nic_core_fw_alive(base_vha) == QLA_SUCCESS) {
			qla83xx_idc_lock(base_vha, 0);
			qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE,
			    &dev_state);
			qla83xx_idc_unlock(base_vha, 0);
			if (dev_state != QLA8XXX_DEV_NEED_RESET) {
				ql_dbg(ql_dbg_p3p, base_vha, 0xb07a,
				    "Nic Core f/w is alive.\n");
				return;
			}
		}

		ha->flags.nic_core_reset_hdlr_active = 1;
		if (qla83xx_nic_core_reset(base_vha)) {
			/* NIC Core reset failed. */
			ql_dbg(ql_dbg_p3p, base_vha, 0xb061,
			    "NIC Core reset failed.\n");
		}
		ha->flags.nic_core_reset_hdlr_active = 0;
	}
}

/* Work: Handle 8200 IDC aens */
void
qla83xx_service_idc_aen(struct work_struct *work)
{
	struct qla_hw_data *ha =
		container_of(work, struct qla_hw_data, idc_aen);
	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
	uint32_t dev_state, idc_control;

	qla83xx_idc_lock(base_vha, 0);
	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
	qla83xx_rd_reg(base_vha, QLA83XX_IDC_CONTROL, &idc_control);
	qla83xx_idc_unlock(base_vha, 0);
	if (dev_state == QLA8XXX_DEV_NEED_RESET) {
		if (idc_control & QLA83XX_IDC_GRACEFUL_RESET) {
			ql_dbg(ql_dbg_p3p, base_vha, 0xb062,
			    "Application requested NIC Core Reset.\n");
			qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
		} else if (qla83xx_check_nic_core_fw_alive(base_vha) ==
		    QLA_SUCCESS) {
			ql_dbg(ql_dbg_p3p, base_vha, 0xb07b,
			    "Other protocol driver requested NIC Core Reset.\n");
			qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
		}
	} else if (dev_state == QLA8XXX_DEV_FAILED ||
			dev_state == QLA8XXX_DEV_NEED_QUIESCENT) {
		qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
	}
}

static void
qla83xx_wait_logic(void)
{
	int i;

	/* Yield CPU */
	if (!in_interrupt()) {
		/*
		 * Wait about 200ms before retrying again.
		 * This controls the number of retries for single
		 * lock operation.
		 */
		msleep(100);
		schedule();
	} else {
		for (i = 0; i < 20; i++)
			cpu_relax(); /* This a nop instr on i386 */
	}
}

4714
static int
4715 4716 4717 4718 4719 4720 4721
qla83xx_force_lock_recovery(scsi_qla_host_t *base_vha)
{
	int rval;
	uint32_t data;
	uint32_t idc_lck_rcvry_stage_mask = 0x3;
	uint32_t idc_lck_rcvry_owner_mask = 0x3c;
	struct qla_hw_data *ha = base_vha->hw;
4722 4723
	ql_dbg(ql_dbg_p3p, base_vha, 0xb086,
	    "Trying force recovery of the IDC lock.\n");
4724 4725 4726 4727 4728 4729 4730 4731 4732 4733 4734 4735 4736 4737 4738 4739 4740 4741 4742 4743 4744 4745 4746 4747 4748 4749 4750 4751 4752 4753 4754 4755 4756 4757 4758 4759 4760 4761 4762 4763 4764 4765 4766 4767 4768 4769 4770 4771 4772 4773 4774

	rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY, &data);
	if (rval)
		return rval;

	if ((data & idc_lck_rcvry_stage_mask) > 0) {
		return QLA_SUCCESS;
	} else {
		data = (IDC_LOCK_RECOVERY_STAGE1) | (ha->portnum << 2);
		rval = qla83xx_wr_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
		    data);
		if (rval)
			return rval;

		msleep(200);

		rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
		    &data);
		if (rval)
			return rval;

		if (((data & idc_lck_rcvry_owner_mask) >> 2) == ha->portnum) {
			data &= (IDC_LOCK_RECOVERY_STAGE2 |
					~(idc_lck_rcvry_stage_mask));
			rval = qla83xx_wr_reg(base_vha,
			    QLA83XX_IDC_LOCK_RECOVERY, data);
			if (rval)
				return rval;

			/* Forcefully perform IDC UnLock */
			rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK,
			    &data);
			if (rval)
				return rval;
			/* Clear lock-id by setting 0xff */
			rval = qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
			    0xff);
			if (rval)
				return rval;
			/* Clear lock-recovery by setting 0x0 */
			rval = qla83xx_wr_reg(base_vha,
			    QLA83XX_IDC_LOCK_RECOVERY, 0x0);
			if (rval)
				return rval;
		} else
			return QLA_SUCCESS;
	}

	return rval;
}

4775
static int
4776 4777 4778 4779 4780 4781 4782 4783 4784 4785 4786 4787 4788 4789 4790 4791 4792 4793 4794 4795 4796 4797 4798 4799 4800 4801 4802 4803 4804 4805 4806 4807 4808 4809 4810 4811 4812 4813 4814
qla83xx_idc_lock_recovery(scsi_qla_host_t *base_vha)
{
	int rval = QLA_SUCCESS;
	uint32_t o_drv_lockid, n_drv_lockid;
	unsigned long lock_recovery_timeout;

	lock_recovery_timeout = jiffies + QLA83XX_MAX_LOCK_RECOVERY_WAIT;
retry_lockid:
	rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &o_drv_lockid);
	if (rval)
		goto exit;

	/* MAX wait time before forcing IDC Lock recovery = 2 secs */
	if (time_after_eq(jiffies, lock_recovery_timeout)) {
		if (qla83xx_force_lock_recovery(base_vha) == QLA_SUCCESS)
			return QLA_SUCCESS;
		else
			return QLA_FUNCTION_FAILED;
	}

	rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &n_drv_lockid);
	if (rval)
		goto exit;

	if (o_drv_lockid == n_drv_lockid) {
		qla83xx_wait_logic();
		goto retry_lockid;
	} else
		return QLA_SUCCESS;

exit:
	return rval;
}

void
qla83xx_idc_lock(scsi_qla_host_t *base_vha, uint16_t requester_id)
{
	uint16_t options = (requester_id << 15) | BIT_6;
	uint32_t data;
4815
	uint32_t lock_owner;
4816 4817 4818 4819 4820 4821 4822 4823 4824 4825 4826
	struct qla_hw_data *ha = base_vha->hw;

	/* IDC-lock implementation using driver-lock/lock-id remote registers */
retry_lock:
	if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCK, &data)
	    == QLA_SUCCESS) {
		if (data) {
			/* Setting lock-id to our function-number */
			qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
			    ha->portnum);
		} else {
4827 4828
			qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID,
			    &lock_owner);
4829
			ql_dbg(ql_dbg_p3p, base_vha, 0xb063,
4830 4831
			    "Failed to acquire IDC lock, acquired by %d, "
			    "retrying...\n", lock_owner);
4832 4833 4834 4835 4836 4837 4838 4839 4840 4841 4842 4843 4844 4845 4846 4847 4848 4849 4850 4851 4852 4853 4854 4855 4856 4857 4858 4859 4860 4861 4862 4863 4864 4865 4866

			/* Retry/Perform IDC-Lock recovery */
			if (qla83xx_idc_lock_recovery(base_vha)
			    == QLA_SUCCESS) {
				qla83xx_wait_logic();
				goto retry_lock;
			} else
				ql_log(ql_log_warn, base_vha, 0xb075,
				    "IDC Lock recovery FAILED.\n");
		}

	}

	return;

	/* XXX: IDC-lock implementation using access-control mbx */
retry_lock2:
	if (qla83xx_access_control(base_vha, options, 0, 0, NULL)) {
		ql_dbg(ql_dbg_p3p, base_vha, 0xb072,
		    "Failed to acquire IDC lock. retrying...\n");
		/* Retry/Perform IDC-Lock recovery */
		if (qla83xx_idc_lock_recovery(base_vha) == QLA_SUCCESS) {
			qla83xx_wait_logic();
			goto retry_lock2;
		} else
			ql_log(ql_log_warn, base_vha, 0xb076,
			    "IDC Lock recovery FAILED.\n");
	}

	return;
}

void
qla83xx_idc_unlock(scsi_qla_host_t *base_vha, uint16_t requester_id)
{
4867 4868 4869 4870
#if 0
	uint16_t options = (requester_id << 15) | BIT_7;
#endif
	uint16_t retry;
4871 4872 4873 4874 4875 4876 4877 4878 4879 4880 4881 4882 4883 4884 4885 4886 4887 4888 4889 4890 4891
	uint32_t data;
	struct qla_hw_data *ha = base_vha->hw;

	/* IDC-unlock implementation using driver-unlock/lock-id
	 * remote registers
	 */
	retry = 0;
retry_unlock:
	if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &data)
	    == QLA_SUCCESS) {
		if (data == ha->portnum) {
			qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK, &data);
			/* Clearing lock-id by setting 0xff */
			qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID, 0xff);
		} else if (retry < 10) {
			/* SV: XXX: IDC unlock retrying needed here? */

			/* Retry for IDC-unlock */
			qla83xx_wait_logic();
			retry++;
			ql_dbg(ql_dbg_p3p, base_vha, 0xb064,
4892
			    "Failed to release IDC lock, retrying=%d\n", retry);
4893 4894 4895 4896 4897 4898 4899
			goto retry_unlock;
		}
	} else if (retry < 10) {
		/* Retry for IDC-unlock */
		qla83xx_wait_logic();
		retry++;
		ql_dbg(ql_dbg_p3p, base_vha, 0xb065,
4900
		    "Failed to read drv-lockid, retrying=%d\n", retry);
4901 4902 4903 4904 4905
		goto retry_unlock;
	}

	return;

4906
#if 0
4907 4908 4909 4910 4911 4912 4913 4914 4915
	/* XXX: IDC-unlock implementation using access-control mbx */
	retry = 0;
retry_unlock2:
	if (qla83xx_access_control(base_vha, options, 0, 0, NULL)) {
		if (retry < 10) {
			/* Retry for IDC-unlock */
			qla83xx_wait_logic();
			retry++;
			ql_dbg(ql_dbg_p3p, base_vha, 0xb066,
4916
			    "Failed to release IDC lock, retrying=%d\n", retry);
4917 4918 4919 4920 4921
			goto retry_unlock2;
		}
	}

	return;
4922
#endif
4923 4924 4925 4926 4927 4928 4929 4930 4931 4932 4933 4934 4935 4936 4937 4938 4939 4940 4941 4942 4943 4944 4945 4946 4947 4948 4949 4950 4951 4952 4953 4954 4955 4956 4957 4958 4959 4960 4961 4962 4963 4964 4965 4966 4967 4968 4969 4970 4971 4972 4973 4974 4975 4976 4977 4978 4979 4980 4981 4982
}

int
__qla83xx_set_drv_presence(scsi_qla_host_t *vha)
{
	int rval = QLA_SUCCESS;
	struct qla_hw_data *ha = vha->hw;
	uint32_t drv_presence;

	rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
	if (rval == QLA_SUCCESS) {
		drv_presence |= (1 << ha->portnum);
		rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
		    drv_presence);
	}

	return rval;
}

int
qla83xx_set_drv_presence(scsi_qla_host_t *vha)
{
	int rval = QLA_SUCCESS;

	qla83xx_idc_lock(vha, 0);
	rval = __qla83xx_set_drv_presence(vha);
	qla83xx_idc_unlock(vha, 0);

	return rval;
}

int
__qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
{
	int rval = QLA_SUCCESS;
	struct qla_hw_data *ha = vha->hw;
	uint32_t drv_presence;

	rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
	if (rval == QLA_SUCCESS) {
		drv_presence &= ~(1 << ha->portnum);
		rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
		    drv_presence);
	}

	return rval;
}

int
qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
{
	int rval = QLA_SUCCESS;

	qla83xx_idc_lock(vha, 0);
	rval = __qla83xx_clear_drv_presence(vha);
	qla83xx_idc_unlock(vha, 0);

	return rval;
}

4983
static void
4984 4985 4986 4987 4988 4989 4990 4991 4992 4993 4994
qla83xx_need_reset_handler(scsi_qla_host_t *vha)
{
	struct qla_hw_data *ha = vha->hw;
	uint32_t drv_ack, drv_presence;
	unsigned long ack_timeout;

	/* Wait for IDC ACK from all functions (DRV-ACK == DRV-PRESENCE) */
	ack_timeout = jiffies + (ha->fcoe_reset_timeout * HZ);
	while (1) {
		qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
		qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4995
		if ((drv_ack & drv_presence) == drv_presence)
4996 4997 4998 4999 5000 5001 5002 5003 5004 5005 5006 5007 5008 5009 5010 5011 5012 5013 5014 5015 5016 5017 5018 5019 5020 5021
			break;

		if (time_after_eq(jiffies, ack_timeout)) {
			ql_log(ql_log_warn, vha, 0xb067,
			    "RESET ACK TIMEOUT! drv_presence=0x%x "
			    "drv_ack=0x%x\n", drv_presence, drv_ack);
			/*
			 * The function(s) which did not ack in time are forced
			 * to withdraw any further participation in the IDC
			 * reset.
			 */
			if (drv_ack != drv_presence)
				qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
				    drv_ack);
			break;
		}

		qla83xx_idc_unlock(vha, 0);
		msleep(1000);
		qla83xx_idc_lock(vha, 0);
	}

	qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_COLD);
	ql_log(ql_log_info, vha, 0xb068, "HW State: COLD/RE-INIT.\n");
}

5022
static int
5023 5024 5025 5026 5027 5028 5029 5030 5031 5032 5033 5034 5035 5036 5037 5038 5039 5040 5041 5042 5043 5044 5045 5046 5047 5048 5049 5050 5051 5052 5053 5054 5055 5056 5057 5058 5059 5060 5061 5062 5063 5064 5065 5066 5067 5068 5069 5070 5071 5072 5073 5074 5075 5076 5077 5078 5079 5080 5081 5082 5083 5084 5085 5086 5087 5088 5089 5090 5091 5092 5093 5094 5095 5096 5097 5098 5099 5100 5101 5102 5103 5104 5105 5106 5107 5108 5109 5110 5111 5112 5113 5114 5115 5116 5117 5118 5119 5120 5121 5122 5123 5124 5125 5126 5127 5128 5129 5130 5131 5132 5133 5134 5135 5136 5137 5138 5139 5140 5141 5142 5143 5144 5145 5146 5147 5148 5149 5150 5151 5152 5153 5154 5155
qla83xx_device_bootstrap(scsi_qla_host_t *vha)
{
	int rval = QLA_SUCCESS;
	uint32_t idc_control;

	qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_INITIALIZING);
	ql_log(ql_log_info, vha, 0xb069, "HW State: INITIALIZING.\n");

	/* Clearing IDC-Control Graceful-Reset Bit before resetting f/w */
	__qla83xx_get_idc_control(vha, &idc_control);
	idc_control &= ~QLA83XX_IDC_GRACEFUL_RESET;
	__qla83xx_set_idc_control(vha, 0);

	qla83xx_idc_unlock(vha, 0);
	rval = qla83xx_restart_nic_firmware(vha);
	qla83xx_idc_lock(vha, 0);

	if (rval != QLA_SUCCESS) {
		ql_log(ql_log_fatal, vha, 0xb06a,
		    "Failed to restart NIC f/w.\n");
		qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_FAILED);
		ql_log(ql_log_info, vha, 0xb06b, "HW State: FAILED.\n");
	} else {
		ql_dbg(ql_dbg_p3p, vha, 0xb06c,
		    "Success in restarting nic f/w.\n");
		qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_READY);
		ql_log(ql_log_info, vha, 0xb06d, "HW State: READY.\n");
	}

	return rval;
}

/* Assumes idc_lock always held on entry */
int
qla83xx_idc_state_handler(scsi_qla_host_t *base_vha)
{
	struct qla_hw_data *ha = base_vha->hw;
	int rval = QLA_SUCCESS;
	unsigned long dev_init_timeout;
	uint32_t dev_state;

	/* Wait for MAX-INIT-TIMEOUT for the device to go ready */
	dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout * HZ);

	while (1) {

		if (time_after_eq(jiffies, dev_init_timeout)) {
			ql_log(ql_log_warn, base_vha, 0xb06e,
			    "Initialization TIMEOUT!\n");
			/* Init timeout. Disable further NIC Core
			 * communication.
			 */
			qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
				QLA8XXX_DEV_FAILED);
			ql_log(ql_log_info, base_vha, 0xb06f,
			    "HW State: FAILED.\n");
		}

		qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
		switch (dev_state) {
		case QLA8XXX_DEV_READY:
			if (ha->flags.nic_core_reset_owner)
				qla83xx_idc_audit(base_vha,
				    IDC_AUDIT_COMPLETION);
			ha->flags.nic_core_reset_owner = 0;
			ql_dbg(ql_dbg_p3p, base_vha, 0xb070,
			    "Reset_owner reset by 0x%x.\n",
			    ha->portnum);
			goto exit;
		case QLA8XXX_DEV_COLD:
			if (ha->flags.nic_core_reset_owner)
				rval = qla83xx_device_bootstrap(base_vha);
			else {
			/* Wait for AEN to change device-state */
				qla83xx_idc_unlock(base_vha, 0);
				msleep(1000);
				qla83xx_idc_lock(base_vha, 0);
			}
			break;
		case QLA8XXX_DEV_INITIALIZING:
			/* Wait for AEN to change device-state */
			qla83xx_idc_unlock(base_vha, 0);
			msleep(1000);
			qla83xx_idc_lock(base_vha, 0);
			break;
		case QLA8XXX_DEV_NEED_RESET:
			if (!ql2xdontresethba && ha->flags.nic_core_reset_owner)
				qla83xx_need_reset_handler(base_vha);
			else {
				/* Wait for AEN to change device-state */
				qla83xx_idc_unlock(base_vha, 0);
				msleep(1000);
				qla83xx_idc_lock(base_vha, 0);
			}
			/* reset timeout value after need reset handler */
			dev_init_timeout = jiffies +
			    (ha->fcoe_dev_init_timeout * HZ);
			break;
		case QLA8XXX_DEV_NEED_QUIESCENT:
			/* XXX: DEBUG for now */
			qla83xx_idc_unlock(base_vha, 0);
			msleep(1000);
			qla83xx_idc_lock(base_vha, 0);
			break;
		case QLA8XXX_DEV_QUIESCENT:
			/* XXX: DEBUG for now */
			if (ha->flags.quiesce_owner)
				goto exit;

			qla83xx_idc_unlock(base_vha, 0);
			msleep(1000);
			qla83xx_idc_lock(base_vha, 0);
			dev_init_timeout = jiffies +
			    (ha->fcoe_dev_init_timeout * HZ);
			break;
		case QLA8XXX_DEV_FAILED:
			if (ha->flags.nic_core_reset_owner)
				qla83xx_idc_audit(base_vha,
				    IDC_AUDIT_COMPLETION);
			ha->flags.nic_core_reset_owner = 0;
			__qla83xx_clear_drv_presence(base_vha);
			qla83xx_idc_unlock(base_vha, 0);
			qla8xxx_dev_failed_handler(base_vha);
			rval = QLA_FUNCTION_FAILED;
			qla83xx_idc_lock(base_vha, 0);
			goto exit;
		case QLA8XXX_BAD_VALUE:
			qla83xx_idc_unlock(base_vha, 0);
			msleep(1000);
			qla83xx_idc_lock(base_vha, 0);
			break;
		default:
			ql_log(ql_log_warn, base_vha, 0xb071,
5156
			    "Unknown Device State: %x.\n", dev_state);
5157 5158 5159 5160 5161 5162 5163 5164 5165 5166 5167 5168
			qla83xx_idc_unlock(base_vha, 0);
			qla8xxx_dev_failed_handler(base_vha);
			rval = QLA_FUNCTION_FAILED;
			qla83xx_idc_lock(base_vha, 0);
			goto exit;
		}
	}

exit:
	return rval;
}

5169 5170 5171 5172 5173 5174 5175 5176
void
qla2x00_disable_board_on_pci_error(struct work_struct *work)
{
	struct qla_hw_data *ha = container_of(work, struct qla_hw_data,
	    board_disable);
	struct pci_dev *pdev = ha->pdev;
	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);

5177 5178 5179 5180 5181 5182
	/* if UNLOAD flag is already set, then continue unload,
	 * where it was set first.
	 */
	if (test_bit(UNLOADING, &base_vha->dpc_flags))
		return;

5183 5184 5185 5186 5187 5188 5189 5190 5191 5192 5193 5194 5195 5196 5197 5198 5199 5200 5201 5202 5203 5204 5205 5206 5207 5208 5209 5210 5211 5212 5213 5214 5215
	ql_log(ql_log_warn, base_vha, 0x015b,
	    "Disabling adapter.\n");

	set_bit(UNLOADING, &base_vha->dpc_flags);

	qla2x00_delete_all_vps(ha, base_vha);

	qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);

	qla2x00_dfs_remove(base_vha);

	qla84xx_put_chip(base_vha);

	if (base_vha->timer_active)
		qla2x00_stop_timer(base_vha);

	base_vha->flags.online = 0;

	qla2x00_destroy_deferred_work(ha);

	/*
	 * Do not try to stop beacon blink as it will issue a mailbox
	 * command.
	 */
	qla2x00_free_sysfs_attr(base_vha, false);

	fc_remove_host(base_vha->host);

	scsi_remove_host(base_vha->host);

	base_vha->flags.init_done = 0;
	qla25xx_delete_queues(base_vha);
	qla2x00_free_fcports(base_vha);
5216
	qla2x00_free_irqs(base_vha);
5217 5218 5219 5220 5221 5222 5223 5224 5225 5226
	qla2x00_mem_free(ha);
	qla82xx_md_free(base_vha);
	qla2x00_free_queues(ha);

	qla2x00_unmap_iobases(ha);

	pci_release_selected_regions(ha->pdev, ha->bars);
	pci_disable_pcie_error_reporting(pdev);
	pci_disable_device(pdev);

5227 5228 5229
	/*
	 * Let qla2x00_remove_one cleanup qla_hw_data on device removal.
	 */
5230 5231
}

L
Linus Torvalds 已提交
5232 5233 5234 5235 5236 5237 5238 5239 5240 5241 5242 5243 5244 5245 5246 5247
/**************************************************************************
* qla2x00_do_dpc
*   This kernel thread is a task that is schedule by the interrupt handler
*   to perform the background processing for interrupts.
*
* Notes:
* This task always run in the context of a kernel thread.  It
* is kick-off by the driver's detect code and starts up
* up one per adapter. It immediately goes to sleep and waits for
* some fibre event.  When either the interrupt handler or
* the timer routine detects a event it will one of the task
* bits then wake us up.
**************************************************************************/
static int
qla2x00_do_dpc(void *data)
{
5248 5249
	scsi_qla_host_t *base_vha;
	struct qla_hw_data *ha;
5250 5251
	uint32_t online;
	struct qla_qpair *qpair;
L
Linus Torvalds 已提交
5252

5253 5254
	ha = (struct qla_hw_data *)data;
	base_vha = pci_get_drvdata(ha->pdev);
L
Linus Torvalds 已提交
5255

5256
	set_user_nice(current, MIN_NICE);
L
Linus Torvalds 已提交
5257

5258
	set_current_state(TASK_INTERRUPTIBLE);
5259
	while (!kthread_should_stop()) {
5260 5261
		ql_dbg(ql_dbg_dpc, base_vha, 0x4000,
		    "DPC handler sleeping.\n");
L
Linus Torvalds 已提交
5262

5263
		schedule();
L
Linus Torvalds 已提交
5264

5265 5266
		if (!base_vha->flags.init_done || ha->flags.mbox_busy)
			goto end_loop;
L
Linus Torvalds 已提交
5267

5268
		if (ha->flags.eeh_busy) {
5269 5270
			ql_dbg(ql_dbg_dpc, base_vha, 0x4003,
			    "eeh_busy=%d.\n", ha->flags.eeh_busy);
5271
			goto end_loop;
5272 5273
		}

L
Linus Torvalds 已提交
5274 5275
		ha->dpc_active = 1;

5276 5277 5278
		ql_dbg(ql_dbg_dpc + ql_dbg_verbose, base_vha, 0x4001,
		    "DPC handler waking up, dpc_flags=0x%lx.\n",
		    base_vha->dpc_flags);
L
Linus Torvalds 已提交
5279

5280 5281 5282
		if (test_bit(UNLOADING, &base_vha->dpc_flags))
			break;

5283
		qla2x00_do_work(base_vha);
5284

5285 5286 5287 5288 5289 5290 5291 5292 5293 5294 5295 5296 5297 5298 5299 5300 5301 5302 5303 5304 5305 5306 5307 5308 5309 5310 5311
		if (IS_P3P_TYPE(ha)) {
			if (IS_QLA8044(ha)) {
				if (test_and_clear_bit(ISP_UNRECOVERABLE,
					&base_vha->dpc_flags)) {
					qla8044_idc_lock(ha);
					qla8044_wr_direct(base_vha,
						QLA8044_CRB_DEV_STATE_INDEX,
						QLA8XXX_DEV_FAILED);
					qla8044_idc_unlock(ha);
					ql_log(ql_log_info, base_vha, 0x4004,
						"HW State: FAILED.\n");
					qla8044_device_state_handler(base_vha);
					continue;
				}

			} else {
				if (test_and_clear_bit(ISP_UNRECOVERABLE,
					&base_vha->dpc_flags)) {
					qla82xx_idc_lock(ha);
					qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
						QLA8XXX_DEV_FAILED);
					qla82xx_idc_unlock(ha);
					ql_log(ql_log_info, base_vha, 0x0151,
						"HW State: FAILED.\n");
					qla82xx_device_state_handler(base_vha);
					continue;
				}
5312 5313 5314 5315 5316
			}

			if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED,
				&base_vha->dpc_flags)) {

5317 5318
				ql_dbg(ql_dbg_dpc, base_vha, 0x4005,
				    "FCoE context reset scheduled.\n");
5319 5320 5321 5322 5323 5324 5325 5326 5327 5328 5329 5330 5331
				if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
					&base_vha->dpc_flags))) {
					if (qla82xx_fcoe_ctx_reset(base_vha)) {
						/* FCoE-ctx reset failed.
						 * Escalate to chip-reset
						 */
						set_bit(ISP_ABORT_NEEDED,
							&base_vha->dpc_flags);
					}
					clear_bit(ABORT_ISP_ACTIVE,
						&base_vha->dpc_flags);
				}

5332 5333
				ql_dbg(ql_dbg_dpc, base_vha, 0x4006,
				    "FCoE context reset end.\n");
5334
			}
5335 5336 5337 5338 5339 5340 5341 5342
		} else if (IS_QLAFX00(ha)) {
			if (test_and_clear_bit(ISP_UNRECOVERABLE,
				&base_vha->dpc_flags)) {
				ql_dbg(ql_dbg_dpc, base_vha, 0x4020,
				    "Firmware Reset Recovery\n");
				if (qlafx00_reset_initialize(base_vha)) {
					/* Failed. Abort isp later. */
					if (!test_bit(UNLOADING,
5343
					    &base_vha->dpc_flags)) {
5344 5345 5346 5347 5348
						set_bit(ISP_UNRECOVERABLE,
						    &base_vha->dpc_flags);
						ql_dbg(ql_dbg_dpc, base_vha,
						    0x4021,
						    "Reset Recovery Failed\n");
5349
					}
5350 5351 5352 5353 5354 5355 5356 5357 5358 5359 5360 5361 5362 5363 5364 5365 5366 5367
				}
			}

			if (test_and_clear_bit(FX00_TARGET_SCAN,
				&base_vha->dpc_flags)) {
				ql_dbg(ql_dbg_dpc, base_vha, 0x4022,
				    "ISPFx00 Target Scan scheduled\n");
				if (qlafx00_rescan_isp(base_vha)) {
					if (!test_bit(UNLOADING,
					    &base_vha->dpc_flags))
						set_bit(ISP_UNRECOVERABLE,
						    &base_vha->dpc_flags);
					ql_dbg(ql_dbg_dpc, base_vha, 0x401e,
					    "ISPFx00 Target Scan Failed\n");
				}
				ql_dbg(ql_dbg_dpc, base_vha, 0x401f,
				    "ISPFx00 Target Scan End\n");
			}
5368 5369 5370 5371 5372 5373 5374 5375
			if (test_and_clear_bit(FX00_HOST_INFO_RESEND,
				&base_vha->dpc_flags)) {
				ql_dbg(ql_dbg_dpc, base_vha, 0x4023,
				    "ISPFx00 Host Info resend scheduled\n");
				qlafx00_fx_disc(base_vha,
				    &base_vha->hw->mr.fcport,
				    FXDISC_REG_HOST_INFO);
			}
5376 5377
		}

5378 5379
		if (test_and_clear_bit(ISP_ABORT_NEEDED,
						&base_vha->dpc_flags)) {
L
Linus Torvalds 已提交
5380

5381 5382
			ql_dbg(ql_dbg_dpc, base_vha, 0x4007,
			    "ISP abort scheduled.\n");
L
Linus Torvalds 已提交
5383
			if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
5384
			    &base_vha->dpc_flags))) {
L
Linus Torvalds 已提交
5385

5386
				if (ha->isp_ops->abort_isp(base_vha)) {
L
Linus Torvalds 已提交
5387 5388
					/* failed. retry later */
					set_bit(ISP_ABORT_NEEDED,
5389
					    &base_vha->dpc_flags);
5390
				}
5391 5392
				clear_bit(ABORT_ISP_ACTIVE,
						&base_vha->dpc_flags);
5393 5394
			}

5395 5396
			ql_dbg(ql_dbg_dpc, base_vha, 0x4008,
			    "ISP abort end.\n");
L
Linus Torvalds 已提交
5397 5398
		}

5399 5400
		if (test_and_clear_bit(FCPORT_UPDATE_NEEDED,
		    &base_vha->dpc_flags)) {
5401
			qla2x00_update_fcports(base_vha);
5402
		}
5403

5404 5405 5406 5407 5408 5409 5410 5411 5412 5413
		if (test_bit(SCR_PENDING, &base_vha->dpc_flags)) {
			int ret;
			ret = qla2x00_send_change_request(base_vha, 0x3, 0);
			if (ret != QLA_SUCCESS)
				ql_log(ql_log_warn, base_vha, 0x121,
				    "Failed to enable receiving of RSCN "
				    "requests: 0x%x.\n", ret);
			clear_bit(SCR_PENDING, &base_vha->dpc_flags);
		}

5414 5415 5416
		if (IS_QLAFX00(ha))
			goto loop_resync_check;

5417
		if (test_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags)) {
5418 5419
			ql_dbg(ql_dbg_dpc, base_vha, 0x4009,
			    "Quiescence mode scheduled.\n");
5420 5421 5422 5423 5424
			if (IS_P3P_TYPE(ha)) {
				if (IS_QLA82XX(ha))
					qla82xx_device_state_handler(base_vha);
				if (IS_QLA8044(ha))
					qla8044_device_state_handler(base_vha);
5425 5426 5427 5428
				clear_bit(ISP_QUIESCE_NEEDED,
				    &base_vha->dpc_flags);
				if (!ha->flags.quiesce_owner) {
					qla2x00_perform_loop_resync(base_vha);
5429 5430 5431 5432 5433 5434 5435 5436 5437 5438 5439
					if (IS_QLA82XX(ha)) {
						qla82xx_idc_lock(ha);
						qla82xx_clear_qsnt_ready(
						    base_vha);
						qla82xx_idc_unlock(ha);
					} else if (IS_QLA8044(ha)) {
						qla8044_idc_lock(ha);
						qla8044_clear_qsnt_ready(
						    base_vha);
						qla8044_idc_unlock(ha);
					}
5440 5441 5442 5443 5444
				}
			} else {
				clear_bit(ISP_QUIESCE_NEEDED,
				    &base_vha->dpc_flags);
				qla2x00_quiesce_io(base_vha);
5445
			}
5446 5447
			ql_dbg(ql_dbg_dpc, base_vha, 0x400a,
			    "Quiescence mode end.\n");
5448 5449
		}

5450
		if (test_and_clear_bit(RESET_MARKER_NEEDED,
5451
				&base_vha->dpc_flags) &&
5452
		    (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
L
Linus Torvalds 已提交
5453

5454 5455
			ql_dbg(ql_dbg_dpc, base_vha, 0x400b,
			    "Reset marker scheduled.\n");
5456 5457
			qla2x00_rst_aen(base_vha);
			clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
5458 5459
			ql_dbg(ql_dbg_dpc, base_vha, 0x400c,
			    "Reset marker end.\n");
L
Linus Torvalds 已提交
5460 5461 5462
		}

		/* Retry each device up to login retry count */
5463 5464 5465 5466
		if ((test_and_clear_bit(RELOGIN_NEEDED,
						&base_vha->dpc_flags)) &&
		    !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
		    atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
L
Linus Torvalds 已提交
5467

5468 5469
			ql_dbg(ql_dbg_dpc, base_vha, 0x400d,
			    "Relogin scheduled.\n");
5470
			qla2x00_relogin(base_vha);
5471 5472
			ql_dbg(ql_dbg_dpc, base_vha, 0x400e,
			    "Relogin end.\n");
L
Linus Torvalds 已提交
5473
		}
5474
loop_resync_check:
5475
		if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
5476
		    &base_vha->dpc_flags)) {
L
Linus Torvalds 已提交
5477

5478 5479
			ql_dbg(ql_dbg_dpc, base_vha, 0x400f,
			    "Loop resync scheduled.\n");
L
Linus Torvalds 已提交
5480 5481

			if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
5482
			    &base_vha->dpc_flags))) {
L
Linus Torvalds 已提交
5483

5484
				qla2x00_loop_resync(base_vha);
L
Linus Torvalds 已提交
5485

5486 5487
				clear_bit(LOOP_RESYNC_ACTIVE,
						&base_vha->dpc_flags);
L
Linus Torvalds 已提交
5488 5489
			}

5490 5491
			ql_dbg(ql_dbg_dpc, base_vha, 0x4010,
			    "Loop resync end.\n");
L
Linus Torvalds 已提交
5492 5493
		}

5494 5495 5496
		if (IS_QLAFX00(ha))
			goto intr_on_check;

5497 5498 5499 5500
		if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
		    atomic_read(&base_vha->loop_state) == LOOP_READY) {
			clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
			qla2xxx_flash_npiv_conf(base_vha);
5501 5502
		}

5503
intr_on_check:
L
Linus Torvalds 已提交
5504
		if (!ha->interrupts_on)
5505
			ha->isp_ops->enable_intrs(ha);
L
Linus Torvalds 已提交
5506

5507
		if (test_and_clear_bit(BEACON_BLINK_NEEDED,
5508 5509 5510 5511
					&base_vha->dpc_flags)) {
			if (ha->beacon_blink_led == 1)
				ha->isp_ops->beacon_blink(base_vha);
		}
5512

5513 5514 5515 5516 5517 5518 5519 5520 5521 5522 5523 5524 5525 5526 5527 5528
		/* qpair online check */
		if (test_and_clear_bit(QPAIR_ONLINE_CHECK_NEEDED,
		    &base_vha->dpc_flags)) {
			if (ha->flags.eeh_busy ||
			    ha->flags.pci_channel_io_perm_failure)
				online = 0;
			else
				online = 1;

			mutex_lock(&ha->mq_lock);
			list_for_each_entry(qpair, &base_vha->qp_list,
			    qp_list_elem)
			qpair->online = online;
			mutex_unlock(&ha->mq_lock);
		}

5529 5530
		if (!IS_QLAFX00(ha))
			qla2x00_do_dpc_all_vps(base_vha);
5531

L
Linus Torvalds 已提交
5532
		ha->dpc_active = 0;
5533
end_loop:
5534
		set_current_state(TASK_INTERRUPTIBLE);
L
Linus Torvalds 已提交
5535
	} /* End of while(1) */
5536
	__set_current_state(TASK_RUNNING);
L
Linus Torvalds 已提交
5537

5538 5539
	ql_dbg(ql_dbg_dpc, base_vha, 0x4011,
	    "DPC handler exiting.\n");
L
Linus Torvalds 已提交
5540 5541 5542 5543 5544 5545

	/*
	 * Make sure that nobody tries to wake us up again.
	 */
	ha->dpc_active = 0;

5546 5547 5548
	/* Cleanup any residual CTX SRBs. */
	qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);

5549 5550 5551 5552
	return 0;
}

void
5553
qla2xxx_wake_dpc(struct scsi_qla_host *vha)
5554
{
5555
	struct qla_hw_data *ha = vha->hw;
5556 5557
	struct task_struct *t = ha->dpc_thread;

5558
	if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
5559
		wake_up_process(t);
L
Linus Torvalds 已提交
5560 5561 5562 5563 5564 5565 5566 5567 5568 5569
}

/*
*  qla2x00_rst_aen
*      Processes asynchronous reset.
*
* Input:
*      ha  = adapter block pointer.
*/
static void
5570
qla2x00_rst_aen(scsi_qla_host_t *vha)
L
Linus Torvalds 已提交
5571
{
5572 5573 5574
	if (vha->flags.online && !vha->flags.reset_active &&
	    !atomic_read(&vha->loop_down_timer) &&
	    !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
L
Linus Torvalds 已提交
5575
		do {
5576
			clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
L
Linus Torvalds 已提交
5577 5578 5579 5580 5581

			/*
			 * Issue marker command only when we are going to start
			 * the I/O.
			 */
5582 5583 5584
			vha->marker_needed = 1;
		} while (!atomic_read(&vha->loop_down_timer) &&
		    (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
L
Linus Torvalds 已提交
5585 5586 5587 5588 5589 5590 5591 5592 5593 5594 5595
	}
}

/**************************************************************************
*   qla2x00_timer
*
* Description:
*   One second timer
*
* Context: Interrupt
***************************************************************************/
5596
void
5597
qla2x00_timer(scsi_qla_host_t *vha)
L
Linus Torvalds 已提交
5598 5599 5600 5601 5602
{
	unsigned long	cpu_flags = 0;
	int		start_dpc = 0;
	int		index;
	srb_t		*sp;
5603
	uint16_t        w;
5604
	struct qla_hw_data *ha = vha->hw;
5605
	struct req_que *req;
5606

5607
	if (ha->flags.eeh_busy) {
5608 5609 5610
		ql_dbg(ql_dbg_timer, vha, 0x6000,
		    "EEH = %d, restarting timer.\n",
		    ha->flags.eeh_busy);
5611 5612 5613 5614
		qla2x00_restart_timer(vha, WATCH_INTERVAL);
		return;
	}

5615 5616 5617 5618 5619
	/*
	 * Hardware read to raise pending EEH errors during mailbox waits. If
	 * the read returns -1 then disable the board.
	 */
	if (!pci_channel_offline(ha->pdev)) {
5620
		pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
5621
		qla2x00_check_reg16_for_disconnect(vha, w);
5622
	}
L
Linus Torvalds 已提交
5623

5624
	/* Make sure qla82xx_watchdog is run only for physical port */
5625
	if (!vha->vp_idx && IS_P3P_TYPE(ha)) {
5626 5627
		if (test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags))
			start_dpc++;
5628 5629 5630 5631
		if (IS_QLA82XX(ha))
			qla82xx_watchdog(vha);
		else if (IS_QLA8044(ha))
			qla8044_watchdog(vha);
5632 5633
	}

5634 5635 5636
	if (!vha->vp_idx && IS_QLAFX00(ha))
		qlafx00_timer_routine(vha);

L
Linus Torvalds 已提交
5637
	/* Loop down handler. */
5638
	if (atomic_read(&vha->loop_down_timer) > 0 &&
5639 5640
	    !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) &&
	    !(test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags))
5641
		&& vha->flags.online) {
L
Linus Torvalds 已提交
5642

5643 5644
		if (atomic_read(&vha->loop_down_timer) ==
		    vha->loop_down_abort_time) {
L
Linus Torvalds 已提交
5645

5646 5647
			ql_log(ql_log_info, vha, 0x6008,
			    "Loop down - aborting the queues before time expires.\n");
L
Linus Torvalds 已提交
5648

5649 5650
			if (!IS_QLA2100(ha) && vha->link_down_timeout)
				atomic_set(&vha->loop_state, LOOP_DEAD);
L
Linus Torvalds 已提交
5651

5652 5653 5654 5655
			/*
			 * Schedule an ISP abort to return any FCP2-device
			 * commands.
			 */
5656
			/* NPIV - scan physical port only */
5657
			if (!vha->vp_idx) {
5658 5659
				spin_lock_irqsave(&ha->hardware_lock,
				    cpu_flags);
5660
				req = ha->req_q_map[0];
5661
				for (index = 1;
5662
				    index < req->num_outstanding_cmds;
5663 5664 5665
				    index++) {
					fc_port_t *sfcp;

5666
					sp = req->outstanding_cmds[index];
5667 5668
					if (!sp)
						continue;
5669
					if (sp->type != SRB_SCSI_CMD)
5670
						continue;
5671
					sfcp = sp->fcport;
5672
					if (!(sfcp->flags & FCF_FCP2_DEVICE))
5673
						continue;
5674

5675 5676 5677 5678 5679
					if (IS_QLA82XX(ha))
						set_bit(FCOE_CTX_RESET_NEEDED,
							&vha->dpc_flags);
					else
						set_bit(ISP_ABORT_NEEDED,
5680
							&vha->dpc_flags);
5681 5682 5683
					break;
				}
				spin_unlock_irqrestore(&ha->hardware_lock,
5684
								cpu_flags);
L
Linus Torvalds 已提交
5685 5686 5687 5688 5689
			}
			start_dpc++;
		}

		/* if the loop has been down for 4 minutes, reinit adapter */
5690
		if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
5691
			if (!(vha->device_flags & DFLG_NO_CABLE)) {
5692
				ql_log(ql_log_warn, vha, 0x6009,
L
Linus Torvalds 已提交
5693 5694
				    "Loop down - aborting ISP.\n");

5695 5696 5697 5698 5699 5700
				if (IS_QLA82XX(ha))
					set_bit(FCOE_CTX_RESET_NEEDED,
						&vha->dpc_flags);
				else
					set_bit(ISP_ABORT_NEEDED,
						&vha->dpc_flags);
L
Linus Torvalds 已提交
5701 5702
			}
		}
5703 5704 5705
		ql_dbg(ql_dbg_timer, vha, 0x600a,
		    "Loop down - seconds remaining %d.\n",
		    atomic_read(&vha->loop_down_timer));
L
Linus Torvalds 已提交
5706
	}
5707 5708
	/* Check if beacon LED needs to be blinked for physical host only */
	if (!vha->vp_idx && (ha->beacon_blink_led == 1)) {
5709
		/* There is no beacon_blink function for ISP82xx */
5710
		if (!IS_P3P_TYPE(ha)) {
5711 5712 5713
			set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
			start_dpc++;
		}
5714 5715
	}

5716
	/* Process any deferred work. */
5717
	if (!list_empty(&vha->work_list))
5718 5719
		start_dpc++;

L
Linus Torvalds 已提交
5720
	/* Schedule the DPC routine if needed */
5721 5722 5723
	if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
	    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
	    test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
L
Linus Torvalds 已提交
5724
	    start_dpc ||
5725 5726
	    test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
	    test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
5727 5728
	    test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) ||
	    test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
5729
	    test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
5730
	    test_bit(RELOGIN_NEEDED, &vha->dpc_flags))) {
5731 5732 5733 5734 5735 5736 5737 5738 5739 5740 5741 5742
		ql_dbg(ql_dbg_timer, vha, 0x600b,
		    "isp_abort_needed=%d loop_resync_needed=%d "
		    "fcport_update_needed=%d start_dpc=%d "
		    "reset_marker_needed=%d",
		    test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags),
		    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags),
		    test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags),
		    start_dpc,
		    test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags));
		ql_dbg(ql_dbg_timer, vha, 0x600c,
		    "beacon_blink_needed=%d isp_unrecoverable=%d "
		    "fcoe_ctx_reset_needed=%d vp_dpc_needed=%d "
5743
		    "relogin_needed=%d.\n",
5744 5745 5746 5747
		    test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags),
		    test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags),
		    test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags),
		    test_bit(VP_DPC_NEEDED, &vha->dpc_flags),
5748
		    test_bit(RELOGIN_NEEDED, &vha->dpc_flags));
5749
		qla2xxx_wake_dpc(vha);
5750
	}
L
Linus Torvalds 已提交
5751

5752
	qla2x00_restart_timer(vha, WATCH_INTERVAL);
L
Linus Torvalds 已提交
5753 5754
}

5755 5756
/* Firmware interface routines. */

5757
#define FW_BLOBS	11
5758 5759 5760 5761
#define FW_ISP21XX	0
#define FW_ISP22XX	1
#define FW_ISP2300	2
#define FW_ISP2322	3
5762
#define FW_ISP24XX	4
5763
#define FW_ISP25XX	5
5764
#define FW_ISP81XX	6
5765
#define FW_ISP82XX	7
5766 5767
#define FW_ISP2031	8
#define FW_ISP8031	9
5768
#define FW_ISP27XX	10
5769

5770 5771 5772 5773 5774
#define FW_FILE_ISP21XX	"ql2100_fw.bin"
#define FW_FILE_ISP22XX	"ql2200_fw.bin"
#define FW_FILE_ISP2300	"ql2300_fw.bin"
#define FW_FILE_ISP2322	"ql2322_fw.bin"
#define FW_FILE_ISP24XX	"ql2400_fw.bin"
5775
#define FW_FILE_ISP25XX	"ql2500_fw.bin"
5776
#define FW_FILE_ISP81XX	"ql8100_fw.bin"
5777
#define FW_FILE_ISP82XX	"ql8200_fw.bin"
5778 5779
#define FW_FILE_ISP2031	"ql2600_fw.bin"
#define FW_FILE_ISP8031	"ql8300_fw.bin"
5780
#define FW_FILE_ISP27XX	"ql2700_fw.bin"
5781

5782

5783
static DEFINE_MUTEX(qla_fw_lock);
5784 5785

static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
5786 5787 5788 5789 5790
	{ .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
	{ .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
	{ .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
	{ .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
	{ .name = FW_FILE_ISP24XX, },
5791
	{ .name = FW_FILE_ISP25XX, },
5792
	{ .name = FW_FILE_ISP81XX, },
5793
	{ .name = FW_FILE_ISP82XX, },
5794 5795
	{ .name = FW_FILE_ISP2031, },
	{ .name = FW_FILE_ISP8031, },
5796
	{ .name = FW_FILE_ISP27XX, },
5797 5798 5799
};

struct fw_blob *
5800
qla2x00_request_firmware(scsi_qla_host_t *vha)
5801
{
5802
	struct qla_hw_data *ha = vha->hw;
5803 5804 5805 5806 5807 5808
	struct fw_blob *blob;

	if (IS_QLA2100(ha)) {
		blob = &qla_fw_blobs[FW_ISP21XX];
	} else if (IS_QLA2200(ha)) {
		blob = &qla_fw_blobs[FW_ISP22XX];
5809
	} else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
5810
		blob = &qla_fw_blobs[FW_ISP2300];
5811
	} else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
5812
		blob = &qla_fw_blobs[FW_ISP2322];
5813
	} else if (IS_QLA24XX_TYPE(ha)) {
5814
		blob = &qla_fw_blobs[FW_ISP24XX];
5815 5816
	} else if (IS_QLA25XX(ha)) {
		blob = &qla_fw_blobs[FW_ISP25XX];
5817 5818
	} else if (IS_QLA81XX(ha)) {
		blob = &qla_fw_blobs[FW_ISP81XX];
5819 5820
	} else if (IS_QLA82XX(ha)) {
		blob = &qla_fw_blobs[FW_ISP82XX];
5821 5822 5823 5824
	} else if (IS_QLA2031(ha)) {
		blob = &qla_fw_blobs[FW_ISP2031];
	} else if (IS_QLA8031(ha)) {
		blob = &qla_fw_blobs[FW_ISP8031];
5825 5826
	} else if (IS_QLA27XX(ha)) {
		blob = &qla_fw_blobs[FW_ISP27XX];
5827 5828
	} else {
		return NULL;
5829 5830
	}

5831
	mutex_lock(&qla_fw_lock);
5832 5833 5834 5835
	if (blob->fw)
		goto out;

	if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
5836 5837
		ql_log(ql_log_warn, vha, 0x0063,
		    "Failed to load firmware image (%s).\n", blob->name);
5838 5839 5840 5841 5842 5843
		blob->fw = NULL;
		blob = NULL;
		goto out;
	}

out:
5844
	mutex_unlock(&qla_fw_lock);
5845 5846 5847 5848 5849 5850 5851 5852
	return blob;
}

static void
qla2x00_release_firmware(void)
{
	int idx;

5853
	mutex_lock(&qla_fw_lock);
5854
	for (idx = 0; idx < FW_BLOBS; idx++)
5855
		release_firmware(qla_fw_blobs[idx].fw);
5856
	mutex_unlock(&qla_fw_lock);
5857 5858
}

5859 5860 5861
static pci_ers_result_t
qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
{
5862 5863 5864
	scsi_qla_host_t *vha = pci_get_drvdata(pdev);
	struct qla_hw_data *ha = vha->hw;

5865 5866
	ql_dbg(ql_dbg_aer, vha, 0x9000,
	    "PCI error detected, state %x.\n", state);
5867

5868 5869
	switch (state) {
	case pci_channel_io_normal:
5870
		ha->flags.eeh_busy = 0;
5871 5872 5873 5874
		if (ql2xmqsupport) {
			set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
			qla2xxx_wake_dpc(vha);
		}
5875 5876
		return PCI_ERS_RESULT_CAN_RECOVER;
	case pci_channel_io_frozen:
5877
		ha->flags.eeh_busy = 1;
5878 5879
		/* For ISP82XX complete any pending mailbox cmd */
		if (IS_QLA82XX(ha)) {
5880
			ha->flags.isp82xx_fw_hung = 1;
5881 5882
			ql_dbg(ql_dbg_aer, vha, 0x9001, "Pci channel io frozen\n");
			qla82xx_clear_pending_mbx(vha);
5883
		}
5884
		qla2x00_free_irqs(vha);
5885
		pci_disable_device(pdev);
5886 5887
		/* Return back all IOs */
		qla2x00_abort_all_cmds(vha, DID_RESET << 16);
5888 5889 5890 5891
		if (ql2xmqsupport) {
			set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
			qla2xxx_wake_dpc(vha);
		}
5892 5893
		return PCI_ERS_RESULT_NEED_RESET;
	case pci_channel_io_perm_failure:
5894 5895
		ha->flags.pci_channel_io_perm_failure = 1;
		qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
5896 5897 5898 5899
		if (ql2xmqsupport) {
			set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
			qla2xxx_wake_dpc(vha);
		}
5900 5901 5902 5903 5904 5905 5906 5907 5908 5909 5910
		return PCI_ERS_RESULT_DISCONNECT;
	}
	return PCI_ERS_RESULT_NEED_RESET;
}

static pci_ers_result_t
qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
{
	int risc_paused = 0;
	uint32_t stat;
	unsigned long flags;
5911 5912
	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
	struct qla_hw_data *ha = base_vha->hw;
5913 5914 5915
	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
	struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;

5916 5917 5918
	if (IS_QLA82XX(ha))
		return PCI_ERS_RESULT_RECOVERED;

5919 5920 5921 5922 5923 5924 5925 5926 5927 5928 5929 5930 5931 5932 5933 5934 5935
	spin_lock_irqsave(&ha->hardware_lock, flags);
	if (IS_QLA2100(ha) || IS_QLA2200(ha)){
		stat = RD_REG_DWORD(&reg->hccr);
		if (stat & HCCR_RISC_PAUSE)
			risc_paused = 1;
	} else if (IS_QLA23XX(ha)) {
		stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
		if (stat & HSR_RISC_PAUSED)
			risc_paused = 1;
	} else if (IS_FWI2_CAPABLE(ha)) {
		stat = RD_REG_DWORD(&reg24->host_status);
		if (stat & HSRX_RISC_PAUSED)
			risc_paused = 1;
	}
	spin_unlock_irqrestore(&ha->hardware_lock, flags);

	if (risc_paused) {
5936 5937
		ql_log(ql_log_info, base_vha, 0x9003,
		    "RISC paused -- mmio_enabled, Dumping firmware.\n");
5938
		ha->isp_ops->fw_dump(base_vha, 0);
5939 5940 5941 5942 5943 5944

		return PCI_ERS_RESULT_NEED_RESET;
	} else
		return PCI_ERS_RESULT_RECOVERED;
}

5945 5946
static uint32_t
qla82xx_error_recovery(scsi_qla_host_t *base_vha)
5947 5948 5949 5950 5951 5952 5953
{
	uint32_t rval = QLA_FUNCTION_FAILED;
	uint32_t drv_active = 0;
	struct qla_hw_data *ha = base_vha->hw;
	int fn;
	struct pci_dev *other_pdev = NULL;

5954 5955
	ql_dbg(ql_dbg_aer, base_vha, 0x9006,
	    "Entered %s.\n", __func__);
5956 5957 5958 5959 5960 5961 5962 5963 5964 5965 5966 5967 5968

	set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);

	if (base_vha->flags.online) {
		/* Abort all outstanding commands,
		 * so as to be requeued later */
		qla2x00_abort_isp_cleanup(base_vha);
	}


	fn = PCI_FUNC(ha->pdev->devfn);
	while (fn > 0) {
		fn--;
5969 5970
		ql_dbg(ql_dbg_aer, base_vha, 0x9007,
		    "Finding pci device at function = 0x%x.\n", fn);
5971 5972 5973 5974 5975 5976 5977 5978
		other_pdev =
		    pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus),
		    ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn),
		    fn));

		if (!other_pdev)
			continue;
		if (atomic_read(&other_pdev->enable_cnt)) {
5979 5980 5981
			ql_dbg(ql_dbg_aer, base_vha, 0x9008,
			    "Found PCI func available and enable at 0x%x.\n",
			    fn);
5982 5983 5984 5985 5986 5987 5988 5989
			pci_dev_put(other_pdev);
			break;
		}
		pci_dev_put(other_pdev);
	}

	if (!fn) {
		/* Reset owner */
5990 5991 5992
		ql_dbg(ql_dbg_aer, base_vha, 0x9009,
		    "This devfn is reset owner = 0x%x.\n",
		    ha->pdev->devfn);
5993 5994 5995
		qla82xx_idc_lock(ha);

		qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
5996
		    QLA8XXX_DEV_INITIALIZING);
5997 5998 5999 6000 6001

		qla82xx_wr_32(ha, QLA82XX_CRB_DRV_IDC_VERSION,
		    QLA82XX_IDC_VERSION);

		drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
6002 6003
		ql_dbg(ql_dbg_aer, base_vha, 0x900a,
		    "drv_active = 0x%x.\n", drv_active);
6004 6005 6006 6007 6008 6009 6010 6011 6012 6013 6014 6015

		qla82xx_idc_unlock(ha);
		/* Reset if device is not already reset
		 * drv_active would be 0 if a reset has already been done
		 */
		if (drv_active)
			rval = qla82xx_start_firmware(base_vha);
		else
			rval = QLA_SUCCESS;
		qla82xx_idc_lock(ha);

		if (rval != QLA_SUCCESS) {
6016 6017
			ql_log(ql_log_info, base_vha, 0x900b,
			    "HW State: FAILED.\n");
6018 6019
			qla82xx_clear_drv_active(ha);
			qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
6020
			    QLA8XXX_DEV_FAILED);
6021
		} else {
6022 6023
			ql_log(ql_log_info, base_vha, 0x900c,
			    "HW State: READY.\n");
6024
			qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
6025
			    QLA8XXX_DEV_READY);
6026
			qla82xx_idc_unlock(ha);
6027
			ha->flags.isp82xx_fw_hung = 0;
6028 6029 6030 6031 6032 6033 6034 6035
			rval = qla82xx_restart_isp(base_vha);
			qla82xx_idc_lock(ha);
			/* Clear driver state register */
			qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, 0);
			qla82xx_set_drv_active(base_vha);
		}
		qla82xx_idc_unlock(ha);
	} else {
6036 6037 6038
		ql_dbg(ql_dbg_aer, base_vha, 0x900d,
		    "This devfn is not reset owner = 0x%x.\n",
		    ha->pdev->devfn);
6039
		if ((qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE) ==
6040
		    QLA8XXX_DEV_READY)) {
6041
			ha->flags.isp82xx_fw_hung = 0;
6042 6043 6044 6045 6046 6047 6048 6049 6050 6051 6052
			rval = qla82xx_restart_isp(base_vha);
			qla82xx_idc_lock(ha);
			qla82xx_set_drv_active(base_vha);
			qla82xx_idc_unlock(ha);
		}
	}
	clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);

	return rval;
}

6053 6054 6055 6056
static pci_ers_result_t
qla2xxx_pci_slot_reset(struct pci_dev *pdev)
{
	pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
6057 6058
	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
	struct qla_hw_data *ha = base_vha->hw;
6059 6060
	struct rsp_que *rsp;
	int rc, retries = 10;
6061

6062 6063
	ql_dbg(ql_dbg_aer, base_vha, 0x9004,
	    "Slot Reset.\n");
6064

6065 6066 6067 6068 6069 6070 6071 6072
	/* Workaround: qla2xxx driver which access hardware earlier
	 * needs error state to be pci_channel_io_online.
	 * Otherwise mailbox command timesout.
	 */
	pdev->error_state = pci_channel_io_normal;

	pci_restore_state(pdev);

6073 6074 6075 6076 6077
	/* pci_restore_state() clears the saved_state flag of the device
	 * save restored state which resets saved_state flag
	 */
	pci_save_state(pdev);

6078 6079 6080 6081
	if (ha->mem_only)
		rc = pci_enable_device_mem(pdev);
	else
		rc = pci_enable_device(pdev);
6082

6083
	if (rc) {
6084
		ql_log(ql_log_warn, base_vha, 0x9005,
6085
		    "Can't re-enable PCI device after reset.\n");
6086
		goto exit_slot_reset;
6087 6088
	}

6089 6090
	rsp = ha->rsp_q_map[0];
	if (qla2x00_request_irqs(ha, rsp))
6091
		goto exit_slot_reset;
6092

6093
	if (ha->isp_ops->pci_config(base_vha))
6094 6095 6096 6097 6098 6099 6100 6101 6102
		goto exit_slot_reset;

	if (IS_QLA82XX(ha)) {
		if (qla82xx_error_recovery(base_vha) == QLA_SUCCESS) {
			ret = PCI_ERS_RESULT_RECOVERED;
			goto exit_slot_reset;
		} else
			goto exit_slot_reset;
	}
6103

6104 6105
	while (ha->flags.mbox_busy && retries--)
		msleep(1000);
6106

6107
	set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
6108
	if (ha->isp_ops->abort_isp(base_vha) == QLA_SUCCESS)
6109
		ret =  PCI_ERS_RESULT_RECOVERED;
6110
	clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
6111

6112

6113
exit_slot_reset:
6114 6115
	ql_dbg(ql_dbg_aer, base_vha, 0x900e,
	    "slot_reset return %x.\n", ret);
6116

6117 6118 6119 6120 6121 6122
	return ret;
}

static void
qla2xxx_pci_resume(struct pci_dev *pdev)
{
6123 6124
	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
	struct qla_hw_data *ha = base_vha->hw;
6125 6126
	int ret;

6127 6128
	ql_dbg(ql_dbg_aer, base_vha, 0x900f,
	    "pci_resume.\n");
6129

6130
	ret = qla2x00_wait_for_hba_online(base_vha);
6131
	if (ret != QLA_SUCCESS) {
6132 6133
		ql_log(ql_log_fatal, base_vha, 0x9002,
		    "The device failed to resume I/O from slot/link_reset.\n");
6134
	}
6135

6136 6137
	pci_cleanup_aer_uncorrect_error_status(pdev);

6138
	ha->flags.eeh_busy = 0;
6139 6140
}

6141 6142 6143 6144 6145 6146 6147 6148 6149 6150 6151 6152 6153 6154 6155 6156 6157 6158 6159 6160 6161 6162 6163 6164 6165 6166
static void
qla83xx_disable_laser(scsi_qla_host_t *vha)
{
	uint32_t reg, data, fn;
	struct qla_hw_data *ha = vha->hw;
	struct device_reg_24xx __iomem *isp_reg = &ha->iobase->isp24;

	/* pci func #/port # */
	ql_dbg(ql_dbg_init, vha, 0x004b,
	    "Disabling Laser for hba: %p\n", vha);

	fn = (RD_REG_DWORD(&isp_reg->ctrl_status) &
		(BIT_15|BIT_14|BIT_13|BIT_12));

	fn = (fn >> 12);

	if (fn & 1)
		reg = PORT_1_2031;
	else
		reg = PORT_0_2031;

	data = LASER_OFF_2031;

	qla83xx_wr_reg(vha, reg, data);
}

6167 6168 6169 6170 6171 6172 6173
static int qla2xxx_map_queues(struct Scsi_Host *shost)
{
	scsi_qla_host_t *vha = (scsi_qla_host_t *)shost->hostdata;

	return blk_mq_pci_map_queues(&shost->tag_set, vha->hw->pdev);
}

6174
static const struct pci_error_handlers qla2xxx_err_handler = {
6175 6176 6177 6178 6179 6180
	.error_detected = qla2xxx_pci_error_detected,
	.mmio_enabled = qla2xxx_pci_mmio_enabled,
	.slot_reset = qla2xxx_pci_slot_reset,
	.resume = qla2xxx_pci_resume,
};

6181
static struct pci_device_id qla2xxx_pci_tbl[] = {
6182 6183 6184 6185 6186 6187 6188 6189 6190
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
6191
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
6192 6193
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
6194
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
6195
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2031) },
6196
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
6197
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) },
6198
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8031) },
6199
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISPF001) },
6200
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8044) },
6201
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2071) },
6202
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2271) },
6203
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2261) },
6204 6205 6206 6207
	{ 0 },
};
MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);

6208
static struct pci_driver qla2xxx_pci_driver = {
6209
	.name		= QLA2XXX_DRIVER_NAME,
6210 6211 6212
	.driver		= {
		.owner		= THIS_MODULE,
	},
6213
	.id_table	= qla2xxx_pci_tbl,
6214
	.probe		= qla2x00_probe_one,
A
Adrian Bunk 已提交
6215
	.remove		= qla2x00_remove_one,
6216
	.shutdown	= qla2x00_shutdown,
6217
	.err_handler	= &qla2xxx_err_handler,
6218 6219
};

6220
static const struct file_operations apidev_fops = {
6221
	.owner = THIS_MODULE,
6222
	.llseek = noop_llseek,
6223 6224
};

L
Linus Torvalds 已提交
6225 6226 6227 6228 6229 6230
/**
 * qla2x00_module_init - Module initialization.
 **/
static int __init
qla2x00_module_init(void)
{
6231 6232
	int ret = 0;

L
Linus Torvalds 已提交
6233
	/* Allocate cache for SRBs. */
6234
	srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
6235
	    SLAB_HWCACHE_ALIGN, NULL);
L
Linus Torvalds 已提交
6236
	if (srb_cachep == NULL) {
6237 6238
		ql_log(ql_log_fatal, NULL, 0x0001,
		    "Unable to allocate SRB cache...Failing load!.\n");
L
Linus Torvalds 已提交
6239 6240 6241
		return -ENOMEM;
	}

6242 6243 6244 6245 6246 6247 6248 6249 6250 6251 6252 6253 6254 6255 6256
	/* Initialize target kmem_cache and mem_pools */
	ret = qlt_init();
	if (ret < 0) {
		kmem_cache_destroy(srb_cachep);
		return ret;
	} else if (ret > 0) {
		/*
		 * If initiator mode is explictly disabled by qlt_init(),
		 * prevent scsi_transport_fc.c:fc_scsi_scan_rport() from
		 * performing scsi_scan_target() during LOOP UP event.
		 */
		qla2xxx_transport_functions.disable_target_scan = 1;
		qla2xxx_transport_vport_functions.disable_target_scan = 1;
	}

L
Linus Torvalds 已提交
6257 6258
	/* Derive version string. */
	strcpy(qla2x00_version_str, QLA2XXX_VERSION);
6259
	if (ql2xextended_error_logging)
6260 6261
		strcat(qla2x00_version_str, "-debug");

6262 6263
	qla2xxx_transport_template =
	    fc_attach_transport(&qla2xxx_transport_functions);
6264 6265
	if (!qla2xxx_transport_template) {
		kmem_cache_destroy(srb_cachep);
6266 6267
		ql_log(ql_log_fatal, NULL, 0x0002,
		    "fc_attach_transport failed...Failing load!.\n");
6268
		qlt_exit();
L
Linus Torvalds 已提交
6269
		return -ENODEV;
6270
	}
6271 6272 6273

	apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops);
	if (apidev_major < 0) {
6274 6275
		ql_log(ql_log_fatal, NULL, 0x0003,
		    "Unable to register char device %s.\n", QLA2XXX_APIDEV);
6276 6277
	}

6278 6279 6280 6281
	qla2xxx_transport_vport_template =
	    fc_attach_transport(&qla2xxx_transport_vport_functions);
	if (!qla2xxx_transport_vport_template) {
		kmem_cache_destroy(srb_cachep);
6282
		qlt_exit();
6283
		fc_release_transport(qla2xxx_transport_template);
6284 6285
		ql_log(ql_log_fatal, NULL, 0x0004,
		    "fc_attach_transport vport failed...Failing load!.\n");
L
Linus Torvalds 已提交
6286
		return -ENODEV;
6287
	}
6288 6289
	ql_log(ql_log_info, NULL, 0x0005,
	    "QLogic Fibre Channel HBA Driver: %s.\n",
6290
	    qla2x00_version_str);
6291
	ret = pci_register_driver(&qla2xxx_pci_driver);
6292 6293
	if (ret) {
		kmem_cache_destroy(srb_cachep);
6294
		qlt_exit();
6295
		fc_release_transport(qla2xxx_transport_template);
6296
		fc_release_transport(qla2xxx_transport_vport_template);
6297 6298 6299
		ql_log(ql_log_fatal, NULL, 0x0006,
		    "pci_register_driver failed...ret=%d Failing load!.\n",
		    ret);
6300 6301
	}
	return ret;
L
Linus Torvalds 已提交
6302 6303 6304 6305 6306 6307 6308 6309
}

/**
 * qla2x00_module_exit - Module cleanup.
 **/
static void __exit
qla2x00_module_exit(void)
{
6310
	unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
6311
	pci_unregister_driver(&qla2xxx_pci_driver);
6312
	qla2x00_release_firmware();
6313
	kmem_cache_destroy(srb_cachep);
6314
	qlt_exit();
6315 6316
	if (ctx_cachep)
		kmem_cache_destroy(ctx_cachep);
L
Linus Torvalds 已提交
6317
	fc_release_transport(qla2xxx_transport_template);
6318
	fc_release_transport(qla2xxx_transport_vport_template);
L
Linus Torvalds 已提交
6319 6320 6321 6322 6323 6324 6325 6326 6327
}

module_init(qla2x00_module_init);
module_exit(qla2x00_module_exit);

MODULE_AUTHOR("QLogic Corporation");
MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
MODULE_LICENSE("GPL");
MODULE_VERSION(QLA2XXX_VERSION);
6328 6329 6330 6331 6332
MODULE_FIRMWARE(FW_FILE_ISP21XX);
MODULE_FIRMWARE(FW_FILE_ISP22XX);
MODULE_FIRMWARE(FW_FILE_ISP2300);
MODULE_FIRMWARE(FW_FILE_ISP2322);
MODULE_FIRMWARE(FW_FILE_ISP24XX);
6333
MODULE_FIRMWARE(FW_FILE_ISP25XX);