qla_os.c 189.0 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
#define MAX_Q_DEPTH	64
117
static int ql2xmaxqdepth = MAX_Q_DEPTH;
118 119
module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(ql2xmaxqdepth,
120
		"Maximum queue depth to set for each LUN. "
121
		"Default is 64.");
122

123 124 125
#if (IS_ENABLED(CONFIG_NVME_FC))
int ql2xenabledif;
#else
126
int ql2xenabledif = 2;
127
#endif
128
module_param(ql2xenabledif, int, S_IRUGO);
129
MODULE_PARM_DESC(ql2xenabledif,
130 131 132 133 134
		" 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");
135

136 137 138 139 140 141 142 143 144 145
#if (IS_ENABLED(CONFIG_NVME_FC))
int ql2xnvmeenable = 1;
#else
int ql2xnvmeenable;
#endif
module_param(ql2xnvmeenable, int, 0644);
MODULE_PARM_DESC(ql2xnvmeenable,
    "Enables NVME support. "
    "0 - no NVMe.  Default is Y");

146
int ql2xenablehba_err_chk = 2;
147 148
module_param(ql2xenablehba_err_chk, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(ql2xenablehba_err_chk,
149
		" Enable T10-CRC-DIF Error isolation by HBA:\n"
150
		" Default is 2.\n"
151 152 153
		"  0 -- Error isolation disabled\n"
		"  1 -- Error isolation enabled only for DIX Type 0\n"
		"  2 -- Error isolation enabled for all Types\n");
154

155
int ql2xiidmaenable=1;
156
module_param(ql2xiidmaenable, int, S_IRUGO);
157 158 159 160
MODULE_PARM_DESC(ql2xiidmaenable,
		"Enables iIDMA settings "
		"Default is 1 - perform iIDMA. 0 - no iIDMA.");

161 162 163 164 165 166
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.");
167 168

int ql2xfwloadbin;
169
module_param(ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
170
module_param_named(fwload, ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
171
MODULE_PARM_DESC(ql2xfwloadbin,
172 173
		"Option to specify location from which to load ISP firmware:.\n"
		" 2 -- load firmware via the request_firmware() (hotplug).\n"
174 175 176 177
		"      interface.\n"
		" 1 -- load firmware from flash.\n"
		" 0 -- use default semantics.\n");

178
int ql2xetsenable;
179
module_param(ql2xetsenable, int, S_IRUGO);
180 181 182 183
MODULE_PARM_DESC(ql2xetsenable,
		"Enables firmware ETS burst."
		"Default is 0 - skip ETS enablement.");

184
int ql2xdbwr = 1;
185
module_param(ql2xdbwr, int, S_IRUGO|S_IWUSR);
186
MODULE_PARM_DESC(ql2xdbwr,
187 188 189
		"Option to specify scheme for request queue posting.\n"
		" 0 -- Regular doorbell.\n"
		" 1 -- CAMRAM doorbell (faster).\n");
190

191
int ql2xtargetreset = 1;
192
module_param(ql2xtargetreset, int, S_IRUGO);
193 194 195 196
MODULE_PARM_DESC(ql2xtargetreset,
		 "Enable target reset."
		 "Default is 1 - use hw defaults.");

197
int ql2xgffidenable;
198
module_param(ql2xgffidenable, int, S_IRUGO);
199 200 201
MODULE_PARM_DESC(ql2xgffidenable,
		"Enables GFF_ID checks of port type. "
		"Default is 0 - Do not use GFF_ID information.");
202

203
int ql2xasynctmfenable = 1;
204
module_param(ql2xasynctmfenable, int, S_IRUGO);
205 206 207
MODULE_PARM_DESC(ql2xasynctmfenable,
		"Enables issue of TM IOCBs asynchronously via IOCB mechanism"
		"Default is 0 - Issue TM IOCBs via mailbox mechanism.");
208 209

int ql2xdontresethba;
210
module_param(ql2xdontresethba, int, S_IRUGO|S_IWUSR);
211
MODULE_PARM_DESC(ql2xdontresethba,
212 213 214
		"Option to specify reset behaviour.\n"
		" 0 (Default) -- Reset on failure.\n"
		" 1 -- Do not reset on failure.\n");
215

216 217
uint64_t ql2xmaxlun = MAX_LUNS;
module_param(ql2xmaxlun, ullong, S_IRUGO);
218 219 220 221
MODULE_PARM_DESC(ql2xmaxlun,
		"Defines the maximum LU number to register with the SCSI "
		"midlayer. Default is 65535.");

222 223 224 225
int ql2xmdcapmask = 0x1F;
module_param(ql2xmdcapmask, int, S_IRUGO);
MODULE_PARM_DESC(ql2xmdcapmask,
		"Set the Minidump driver capture mask level. "
226
		"Default is 0x1F - Can be set to 0x3, 0x7, 0xF, 0x1F, 0x7F.");
227

228
int ql2xmdenable = 1;
229 230 231
module_param(ql2xmdenable, int, S_IRUGO);
MODULE_PARM_DESC(ql2xmdenable,
		"Enable/disable MiniDump. "
232 233
		"0 - MiniDump disabled. "
		"1 (Default) - MiniDump enabled.");
234

235 236 237 238 239 240
int ql2xexlogins = 0;
module_param(ql2xexlogins, uint, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(ql2xexlogins,
		 "Number of extended Logins. "
		 "0 (Default)- Disabled.");

241 242
int ql2xexchoffld = 1024;
module_param(ql2xexchoffld, uint, 0644);
243
MODULE_PARM_DESC(ql2xexchoffld,
244 245 246 247 248 249
	"Number of target exchanges.");

int ql2xiniexchg = 1024;
module_param(ql2xiniexchg, uint, 0644);
MODULE_PARM_DESC(ql2xiniexchg,
	"Number of initiator exchanges.");
250

251 252 253 254 255 256 257
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.");

258 259 260 261 262 263 264
int ql2xmvasynctoatio = 1;
module_param(ql2xmvasynctoatio, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(ql2xmvasynctoatio,
		"Move PUREX, ABTS RX and RIDA IOCBs to ATIOQ"
		"0 (Default). Do not move IOCBs"
		"1 - Move IOCBs.");

265 266 267 268 269 270
int ql2xautodetectsfp = 1;
module_param(ql2xautodetectsfp, int, 0444);
MODULE_PARM_DESC(ql2xautodetectsfp,
		 "Detect SFP range and set appropriate distance.\n"
		 "1 (Default): Enable\n");

271 272 273 274 275 276 277 278 279
int ql2xenablemsix = 1;
module_param(ql2xenablemsix, int, 0444);
MODULE_PARM_DESC(ql2xenablemsix,
		 "Set to enable MSI or MSI-X interrupt mechanism.\n"
		 " Default is 1, enable MSI-X interrupt mechanism.\n"
		 " 0 -- enable traditional pin-based mechanism.\n"
		 " 1 -- enable MSI-X interrupt mechanism.\n"
		 " 2 -- enable MSI interrupt mechanism.\n");

280 281 282 283 284 285
int qla2xuseresexchforels;
module_param(qla2xuseresexchforels, int, 0444);
MODULE_PARM_DESC(qla2xuseresexchforels,
		 "Reserve 1/2 of emergency exchanges for ELS.\n"
		 " 0 (default): disabled");

L
Linus Torvalds 已提交
286
/*
A
Andrew Vasquez 已提交
287
 * SCSI host template entry points
L
Linus Torvalds 已提交
288 289
 */
static int qla2xxx_slave_configure(struct scsi_device * device);
已提交
290
static int qla2xxx_slave_alloc(struct scsi_device *);
291 292
static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
static void qla2xxx_scan_start(struct Scsi_Host *);
已提交
293
static void qla2xxx_slave_destroy(struct scsi_device *);
J
Jeff Garzik 已提交
294
static int qla2xxx_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd);
L
Linus Torvalds 已提交
295 296
static int qla2xxx_eh_abort(struct scsi_cmnd *);
static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
297
static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
L
Linus Torvalds 已提交
298 299 300
static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
static int qla2xxx_eh_host_reset(struct scsi_cmnd *);

301
static void qla2x00_clear_drv_active(struct qla_hw_data *);
302
static void qla2x00_free_device(scsi_qla_host_t *);
303
static int qla2xxx_map_queues(struct Scsi_Host *shost);
304
static void qla2x00_destroy_deferred_work(struct qla_hw_data *);
305

306
struct scsi_host_template qla2xxx_driver_template = {
L
Linus Torvalds 已提交
307
	.module			= THIS_MODULE,
308
	.name			= QLA2XXX_DRIVER_NAME,
309
	.queuecommand		= qla2xxx_queuecommand,
310

311
	.eh_timed_out		= fc_eh_timed_out,
312 313
	.eh_abort_handler	= qla2xxx_eh_abort,
	.eh_device_reset_handler = qla2xxx_eh_device_reset,
314
	.eh_target_reset_handler = qla2xxx_eh_target_reset,
315 316 317 318 319 320 321
	.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,
322 323
	.scan_finished		= qla2xxx_scan_finished,
	.scan_start		= qla2xxx_scan_start,
324
	.change_queue_depth	= scsi_change_queue_depth,
325
	.map_queues             = qla2xxx_map_queues,
326 327 328 329 330 331
	.this_id		= -1,
	.cmd_per_lun		= 3,
	.use_clustering		= ENABLE_CLUSTERING,
	.sg_tablesize		= SG_ALL,

	.max_sectors		= 0xFFFF,
332
	.shost_attrs		= qla2x00_host_attrs,
333 334

	.supported_mode		= MODE_INITIATOR,
335
	.track_queue_depth	= 1,
336 337
};

L
Linus Torvalds 已提交
338
static struct scsi_transport_template *qla2xxx_transport_template = NULL;
339
struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
L
Linus Torvalds 已提交
340 341 342 343 344 345

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

346
__inline__ void
347
qla2x00_start_timer(scsi_qla_host_t *vha, unsigned long interval)
L
Linus Torvalds 已提交
348
{
349
	timer_setup(&vha->timer, qla2x00_timer, 0);
350 351 352
	vha->timer.expires = jiffies + interval * HZ;
	add_timer(&vha->timer);
	vha->timer_active = 1;
L
Linus Torvalds 已提交
353 354 355
}

static inline void
356
qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
L
Linus Torvalds 已提交
357
{
358
	/* Currently used for 82XX only. */
359 360 361
	if (vha->device_flags & DFLG_DEV_FAILED) {
		ql_dbg(ql_dbg_timer, vha, 0x600d,
		    "Device in a failed state, returning.\n");
362
		return;
363
	}
364

365
	mod_timer(&vha->timer, jiffies + interval * HZ);
L
Linus Torvalds 已提交
366 367
}

A
Adrian Bunk 已提交
368
static __inline__ void
369
qla2x00_stop_timer(scsi_qla_host_t *vha)
L
Linus Torvalds 已提交
370
{
371 372
	del_timer_sync(&vha->timer);
	vha->timer_active = 0;
L
Linus Torvalds 已提交
373 374 375 376 377 378
}

static int qla2x00_do_dpc(void *data);

static void qla2x00_rst_aen(scsi_qla_host_t *);

379 380
static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
	struct req_que **, struct rsp_que **);
381
static void qla2x00_free_fw_dump(struct qla_hw_data *);
382
static void qla2x00_mem_free(struct qla_hw_data *);
383 384
int qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd,
	struct qla_qpair *qpair);
L
Linus Torvalds 已提交
385 386

/* -------------------------------------------------------------------------- */
387 388 389 390 391 392 393 394 395 396 397 398 399 400 401
static void qla_init_base_qpair(struct scsi_qla_host *vha, struct req_que *req,
    struct rsp_que *rsp)
{
	struct qla_hw_data *ha = vha->hw;
	rsp->qpair = ha->base_qpair;
	rsp->req = req;
	ha->base_qpair->req = req;
	ha->base_qpair->rsp = rsp;
	ha->base_qpair->vha = vha;
	ha->base_qpair->qp_lock_ptr = &ha->hardware_lock;
	ha->base_qpair->use_shadow_reg = IS_SHADOW_REG_CAPABLE(ha) ? 1 : 0;
	ha->base_qpair->msix = &ha->msix_entries[QLA_MSIX_RSP_Q];
	INIT_LIST_HEAD(&ha->base_qpair->hints_list);
	ha->base_qpair->enable_class_2 = ql2xenableclass2;
	/* init qpair to this cpu. Will adjust at run time. */
402
	qla_cpu_update(rsp->qpair, raw_smp_processor_id());
403 404 405 406 407 408
	ha->base_qpair->pdev = ha->pdev;

	if (IS_QLA27XX(ha) || IS_QLA83XX(ha))
		ha->base_qpair->reqq_start_iocbs = qla_83xx_start_iocbs;
}

409 410
static int qla2x00_alloc_queues(struct qla_hw_data *ha, struct req_que *req,
				struct rsp_que *rsp)
411
{
412
	scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
K
Kees Cook 已提交
413
	ha->req_q_map = kcalloc(ha->max_req_queues, sizeof(struct req_que *),
414 415
				GFP_KERNEL);
	if (!ha->req_q_map) {
416 417
		ql_log(ql_log_fatal, vha, 0x003b,
		    "Unable to allocate memory for request queue ptrs.\n");
418 419 420
		goto fail_req_map;
	}

K
Kees Cook 已提交
421
	ha->rsp_q_map = kcalloc(ha->max_rsp_queues, sizeof(struct rsp_que *),
422 423
				GFP_KERNEL);
	if (!ha->rsp_q_map) {
424 425
		ql_log(ql_log_fatal, vha, 0x003c,
		    "Unable to allocate memory for response queue ptrs.\n");
426 427
		goto fail_rsp_map;
	}
428

429 430 431 432 433 434 435
	ha->base_qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL);
	if (ha->base_qpair == NULL) {
		ql_log(ql_log_warn, vha, 0x00e0,
		    "Failed to allocate base queue pair memory.\n");
		goto fail_base_qpair;
	}

436
	qla_init_base_qpair(vha, req, rsp);
437

438
	if ((ql2xmqsupport || ql2xnvmeenable) && ha->max_qpairs) {
439 440 441 442 443 444 445 446 447
		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;
		}
	}

448 449 450 451 452 453
	/*
	 * 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;
454 455
	set_bit(0, ha->rsp_qid_map);
	set_bit(0, ha->req_qid_map);
456
	return 0;
457

458
fail_qpair_map:
459 460 461
	kfree(ha->base_qpair);
	ha->base_qpair = NULL;
fail_base_qpair:
462 463
	kfree(ha->rsp_q_map);
	ha->rsp_q_map = NULL;
464 465 466 467 468 469 470
fail_rsp_map:
	kfree(ha->req_q_map);
	ha->req_q_map = NULL;
fail_req_map:
	return -ENOMEM;
}

471
static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
472
{
473 474 475 476 477 478
	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)
479 480 481 482
		dma_free_coherent(&ha->pdev->dev,
		(req->length + 1) * sizeof(request_t),
		req->ring, req->dma);

483
	if (req)
484
		kfree(req->outstanding_cmds);
485 486

	kfree(req);
487 488
}

489 490
static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
{
491
	if (IS_QLAFX00(ha)) {
M
Meelis Roos 已提交
492
		if (rsp && rsp->ring_fx00)
493 494 495 496
			dma_free_coherent(&ha->pdev->dev,
			    (rsp->length_fx00 + 1) * sizeof(request_t),
			    rsp->ring_fx00, rsp->dma_fx00);
	} else if (rsp && rsp->ring) {
497 498 499
		dma_free_coherent(&ha->pdev->dev,
		(rsp->length + 1) * sizeof(response_t),
		rsp->ring, rsp->dma);
500
	}
501
	kfree(rsp);
502 503
}

504 505 506 507 508
static void qla2x00_free_queues(struct qla_hw_data *ha)
{
	struct req_que *req;
	struct rsp_que *rsp;
	int cnt;
509
	unsigned long flags;
510

511 512 513 514 515 516 517 518 519
	if (ha->queue_pair_map) {
		kfree(ha->queue_pair_map);
		ha->queue_pair_map = NULL;
	}
	if (ha->base_qpair) {
		kfree(ha->base_qpair);
		ha->base_qpair = NULL;
	}

520
	spin_lock_irqsave(&ha->hardware_lock, flags);
521
	for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
Q
Quinn Tran 已提交
522 523 524
		if (!test_bit(cnt, ha->req_qid_map))
			continue;

525
		req = ha->req_q_map[cnt];
526 527 528 529
		clear_bit(cnt, ha->req_qid_map);
		ha->req_q_map[cnt] = NULL;

		spin_unlock_irqrestore(&ha->hardware_lock, flags);
530
		qla2x00_free_req_que(ha, req);
531
		spin_lock_irqsave(&ha->hardware_lock, flags);
532
	}
533 534
	spin_unlock_irqrestore(&ha->hardware_lock, flags);

535 536
	kfree(ha->req_q_map);
	ha->req_q_map = NULL;
537

538 539

	spin_lock_irqsave(&ha->hardware_lock, flags);
540
	for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
Q
Quinn Tran 已提交
541 542 543
		if (!test_bit(cnt, ha->rsp_qid_map))
			continue;

544
		rsp = ha->rsp_q_map[cnt];
545
		clear_bit(cnt, ha->rsp_qid_map);
546 547
		ha->rsp_q_map[cnt] =  NULL;
		spin_unlock_irqrestore(&ha->hardware_lock, flags);
548
		qla2x00_free_rsp_que(ha, rsp);
549
		spin_lock_irqsave(&ha->hardware_lock, flags);
550
	}
551 552
	spin_unlock_irqrestore(&ha->hardware_lock, flags);

553 554
	kfree(ha->rsp_q_map);
	ha->rsp_q_map = NULL;
555 556
}

L
Linus Torvalds 已提交
557
static char *
558
qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
L
Linus Torvalds 已提交
559
{
560
	struct qla_hw_data *ha = vha->hw;
L
Linus Torvalds 已提交
561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580
	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);
}

581
static char *
582
qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
583 584
{
	static char *pci_bus_modes[] = { "33", "66", "100", "133", };
585
	struct qla_hw_data *ha = vha->hw;
586 587
	uint32_t pci_bus;

588
	if (pci_is_pcie(ha->pdev)) {
589
		char lwstr[6];
590
		uint32_t lstat, lspeed, lwidth;
591

592 593 594
		pcie_capability_read_dword(ha->pdev, PCI_EXP_LNKCAP, &lstat);
		lspeed = lstat & PCI_EXP_LNKCAP_SLS;
		lwidth = (lstat & PCI_EXP_LNKCAP_MLW) >> 4;
595 596

		strcpy(str, "PCIe (");
597 598
		switch (lspeed) {
		case 1:
599
			strcat(str, "2.5GT/s ");
600 601
			break;
		case 2:
602
			strcat(str, "5.0GT/s ");
603 604 605 606 607
			break;
		case 3:
			strcat(str, "8.0GT/s ");
			break;
		default:
608
			strcat(str, "<unknown> ");
609 610
			break;
		}
611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635
		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;
}

636
static char *
637
qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
L
Linus Torvalds 已提交
638 639
{
	char un_str[10];
640
	struct qla_hw_data *ha = vha->hw;
A
Andrew Vasquez 已提交
641

642 643
	snprintf(str, size, "%d.%02d.%02d ", ha->fw_major_version,
	    ha->fw_minor_version, ha->fw_subminor_version);
L
Linus Torvalds 已提交
644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673

	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);
}

674
static char *
675
qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
676
{
677
	struct qla_hw_data *ha = vha->hw;
678

679
	snprintf(str, size, "%d.%02d.%02d (%x)", ha->fw_major_version,
680
	    ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
681 682 683
	return str;
}

684
void
685
qla2x00_sp_free_dma(void *ptr)
686
{
687 688
	srb_t *sp = ptr;
	struct qla_hw_data *ha = sp->vha->hw;
689 690
	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
	void *ctx = GET_CMD_CTX_SP(sp);
691

692 693 694
	if (sp->flags & SRB_DMA_VALID) {
		scsi_dma_unmap(cmd);
		sp->flags &= ~SRB_DMA_VALID;
695
	}
696

697 698 699 700 701 702
	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;
	}

703 704 705
	if (!ctx)
		goto end;

706 707
	if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
		/* List assured to be having elements */
708
		qla2x00_clean_dsd_pool(ha, ctx);
709 710 711 712
		sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
	}

	if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
713 714 715
		struct crc_context *ctx0 = ctx;

		dma_pool_free(ha->dl_dma_pool, ctx0, ctx0->crc_ctx_dma);
716 717 718 719
		sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
	}

	if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
720
		struct ct6_dsd *ctx1 = ctx;
721

722
		dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
723
		    ctx1->fcp_cmnd_dma);
724 725 726 727 728 729
		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);
	}

730
end:
731
	if (sp->type != SRB_NVME_CMD && sp->type != SRB_NVME_LS) {
732 733 734
		CMD_SP(cmd) = NULL;
		qla2x00_rel_sp(sp);
	}
735 736
}

737
void
738
qla2x00_sp_compl(void *ptr, int res)
739
{
740
	srb_t *sp = ptr;
741 742 743 744 745
	struct scsi_cmnd *cmd = GET_CMD_SP(sp);

	cmd->result = res;

	if (atomic_read(&sp->ref_count) == 0) {
746
		ql_dbg(ql_dbg_io, sp->vha, 0x3015,
747 748 749
		    "SP reference-count to ZERO -- sp=%p cmd=%p.\n",
		    sp, GET_CMD_SP(sp));
		if (ql2xextended_error_logging & ql_dbg_io)
750
			WARN_ON(atomic_read(&sp->ref_count) == 0);
751 752 753 754 755
		return;
	}
	if (!atomic_dec_and_test(&sp->ref_count))
		return;

756
	sp->free(sp);
757
	cmd->scsi_done(cmd);
758 759
}

760
void
761
qla2xxx_qpair_sp_free_dma(void *ptr)
762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778
{
	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;
	}

779 780 781
	if (!ctx)
		goto end;

782 783
	if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
		/* List assured to be having elements */
784
		qla2x00_clean_dsd_pool(ha, ctx);
785 786 787 788
		sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
	}

	if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
789 790 791
		struct crc_context *ctx0 = ctx;

		dma_pool_free(ha->dl_dma_pool, ctx, ctx0->crc_ctx_dma);
792 793 794 795
		sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
	}

	if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
796
		struct ct6_dsd *ctx1 = ctx;
797 798 799 800 801 802 803
		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);
	}
804
end:
805 806 807 808 809
	CMD_SP(cmd) = NULL;
	qla2xxx_rel_qpair_sp(sp->qpair, sp);
}

void
810
qla2xxx_qpair_sp_compl(void *ptr, int res)
811
{
812
	srb_t *sp = ptr;
813 814 815 816 817 818 819 820 821 822 823 824 825 826 827
	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;

828
	sp->free(sp);
829 830 831
	cmd->scsi_done(cmd);
}

832 833 834
/* 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
835
static int
836
qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
837
{
838
	scsi_qla_host_t *vha = shost_priv(host);
839
	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
840
	struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
841 842
	struct qla_hw_data *ha = vha->hw;
	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
843 844
	srb_t *sp;
	int rval;
845 846 847
	struct qla_qpair *qpair = NULL;
	uint32_t tag;
	uint16_t hwq;
848

849 850 851 852 853
	if (unlikely(test_bit(UNLOADING, &base_vha->dpc_flags))) {
		cmd->result = DID_NO_CONNECT << 16;
		goto qc24_fail_command;
	}

854 855 856 857 858 859 860 861 862 863 864
	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);
865 866
	}

867
	if (ha->flags.eeh_busy) {
868
		if (ha->flags.pci_channel_io_perm_failure) {
869
			ql_dbg(ql_dbg_aer, vha, 0x9010,
870 871
			    "PCI Channel IO permanent failure, exiting "
			    "cmd=%p.\n", cmd);
872
			cmd->result = DID_NO_CONNECT << 16;
873
		} else {
874
			ql_dbg(ql_dbg_aer, vha, 0x9011,
875
			    "EEH_Busy, Requeuing the cmd=%p.\n", cmd);
876
			cmd->result = DID_REQUEUE << 16;
877
		}
878 879 880
		goto qc24_fail_command;
	}

881 882 883
	rval = fc_remote_port_chkready(rport);
	if (rval) {
		cmd->result = rval;
884
		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3003,
885 886
		    "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
		    cmd, rval);
887 888 889
		goto qc24_fail_command;
	}

890 891
	if (!vha->flags.difdix_supported &&
		scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
892 893 894
			ql_dbg(ql_dbg_io, vha, 0x3004,
			    "DIF Cap not reg, fail DIF capable cmd's:%p.\n",
			    cmd);
895 896 897
			cmd->result = DID_NO_CONNECT << 16;
			goto qc24_fail_command;
	}
898 899 900 901 902 903

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

904 905
	if (atomic_read(&fcport->state) != FCS_ONLINE) {
		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
906
			atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
907 908 909 910
			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));
911 912 913
			cmd->result = DID_NO_CONNECT << 16;
			goto qc24_fail_command;
		}
914
		goto qc24_target_busy;
915 916
	}

917 918 919 920
	/*
	 * Return target busy if we've received a non-zero retry_delay_timer
	 * in a FCP_RSP.
	 */
921 922 923
	if (fcport->retry_delay_timestamp == 0) {
		/* retry delay not set */
	} else if (time_after(jiffies, fcport->retry_delay_timestamp))
924 925 926 927
		fcport->retry_delay_timestamp = 0;
	else
		goto qc24_target_busy;

928
	sp = qla2x00_get_sp(vha, fcport, GFP_ATOMIC);
929
	if (!sp)
930
		goto qc24_host_busy;
931

932 933 934 935 936 937 938
	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;

939
	rval = ha->isp_ops->start_scsi(sp);
940
	if (rval != QLA_SUCCESS) {
941
		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3013,
942
		    "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
943
		goto qc24_host_busy_free_sp;
944
	}
945 946 947 948

	return 0;

qc24_host_busy_free_sp:
949
	sp->free(sp);
950

951
qc24_host_busy:
952 953
	return SCSI_MLQUEUE_HOST_BUSY;

954 955 956
qc24_target_busy:
	return SCSI_MLQUEUE_TARGET_BUSY;

957
qc24_fail_command:
958
	cmd->scsi_done(cmd);
959 960 961 962

	return 0;
}

963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037
/* 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:
1038
	sp->free(sp);
1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051

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
1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064
/*
 * 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
1065
qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
L
Linus Torvalds 已提交
1066
{
1067
#define ABORT_POLLING_PERIOD	1000
1068
#define ABORT_WAIT_ITER		((2 * 1000) / (ABORT_POLLING_PERIOD))
已提交
1069
	unsigned long wait_iter = ABORT_WAIT_ITER;
1070 1071
	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
	struct qla_hw_data *ha = vha->hw;
已提交
1072
	int ret = QLA_SUCCESS;
L
Linus Torvalds 已提交
1073

1074
	if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) {
1075 1076
		ql_dbg(ql_dbg_taskm, vha, 0x8005,
		    "Return:eh_wait.\n");
1077 1078 1079
		return ret;
	}

1080
	while (CMD_SP(cmd) && wait_iter--) {
1081
		msleep(ABORT_POLLING_PERIOD);
已提交
1082 1083 1084
	}
	if (CMD_SP(cmd))
		ret = QLA_FUNCTION_FAILED;
L
Linus Torvalds 已提交
1085

已提交
1086
	return ret;
L
Linus Torvalds 已提交
1087 1088 1089 1090
}

/*
 * qla2x00_wait_for_hba_online
A
Andrew Vasquez 已提交
1091
 *    Wait till the HBA is online after going through
L
Linus Torvalds 已提交
1092 1093 1094 1095 1096
 *    <= 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
1097 1098
 *
 * Note:
L
Linus Torvalds 已提交
1099 1100 1101 1102 1103 1104 1105
 *    Does context switching-Release SPIN_LOCK
 *    (if any) before calling this routine.
 *
 * Return:
 *    Success (Adapter is online) : 0
 *    Failed  (Adapter is offline/disabled) : 1
 */
1106
int
1107
qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
L
Linus Torvalds 已提交
1108
{
1109 1110
	int		return_status;
	unsigned long	wait_online;
1111 1112
	struct qla_hw_data *ha = vha->hw;
	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
L
Linus Torvalds 已提交
1113

A
Andrew Vasquez 已提交
1114
	wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1115 1116 1117 1118
	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
1119 1120 1121

		msleep(1000);
	}
1122
	if (base_vha->flags.online)
A
Andrew Vasquez 已提交
1123
		return_status = QLA_SUCCESS;
L
Linus Torvalds 已提交
1124 1125 1126 1127 1128 1129
	else
		return_status = QLA_FUNCTION_FAILED;

	return (return_status);
}

1130 1131 1132 1133 1134 1135 1136
static inline int test_fcport_count(scsi_qla_host_t *vha)
{
	struct qla_hw_data *ha = vha->hw;
	unsigned long flags;
	int res;

	spin_lock_irqsave(&ha->tgt.sess_lock, flags);
1137 1138 1139
	ql_dbg(ql_dbg_init, vha, 0x00ec,
	    "tgt %p, fcport_count=%d\n",
	    vha, vha->fcport_count);
1140 1141 1142 1143 1144 1145 1146 1147 1148 1149
	res = (vha->fcport_count == 0);
	spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);

	return res;
}

/*
 * qla2x00_wait_for_sess_deletion can only be called from remove_one.
 * it has dependency on UNLOADING flag to stop device discovery
 */
1150
void
1151 1152 1153 1154
qla2x00_wait_for_sess_deletion(scsi_qla_host_t *vha)
{
	qla2x00_mark_all_devices_lost(vha, 0);

1155
	wait_event_timeout(vha->fcport_waitQ, test_fcport_count(vha), 10*HZ);
1156 1157
}

1158
/*
1159 1160
 * qla2x00_wait_for_hba_ready
 * Wait till the HBA is ready before doing driver unload
1161 1162 1163 1164 1165 1166 1167 1168 1169
 *
 * Input:
 *     ha - pointer to host adapter structure
 *
 * Note:
 *    Does context switching-Release SPIN_LOCK
 *    (if any) before calling this routine.
 *
 */
1170 1171
static void
qla2x00_wait_for_hba_ready(scsi_qla_host_t *vha)
1172 1173
{
	struct qla_hw_data *ha = vha->hw;
1174
	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1175

1176 1177 1178 1179 1180 1181
	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;
1182
		msleep(1000);
1183
	}
1184 1185
}

1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213
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;
}

1214 1215 1216 1217 1218 1219
static void
sp_get(struct srb *sp)
{
	atomic_inc(&sp->ref_count);
}

1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239
#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;
1240
	struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82;
1241

1242 1243 1244 1245 1246
	if (IS_P3P_TYPE(ha))
		return ((RD_REG_DWORD(&reg82->host_int)) == ISP_REG_DISCONNECT);
	else
		return ((RD_REG_DWORD(&reg->host_status)) ==
			ISP_REG_DISCONNECT);
1247 1248
}

L
Linus Torvalds 已提交
1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261
/**************************************************************************
* 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:
1262
*    Only return FAILED if command not returned by firmware.
L
Linus Torvalds 已提交
1263
**************************************************************************/
1264
static int
L
Linus Torvalds 已提交
1265 1266
qla2xxx_eh_abort(struct scsi_cmnd *cmd)
{
1267
	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
已提交
1268
	srb_t *sp;
1269
	int ret;
H
Hannes Reinecke 已提交
1270 1271
	unsigned int id;
	uint64_t lun;
1272
	unsigned long flags;
1273
	int rval, wait = 0;
1274
	struct qla_hw_data *ha = vha->hw;
L
Linus Torvalds 已提交
1275

1276 1277 1278 1279 1280
	if (qla2x00_isp_reg_stat(ha)) {
		ql_log(ql_log_info, vha, 0x8042,
		    "PCI/Register disconnect, exiting.\n");
		return FAILED;
	}
已提交
1281
	if (!CMD_SP(cmd))
1282
		return SUCCESS;
L
Linus Torvalds 已提交
1283

1284 1285 1286 1287 1288
	ret = fc_block_scsi_eh(cmd);
	if (ret != 0)
		return ret;
	ret = SUCCESS;

已提交
1289 1290
	id = cmd->device->id;
	lun = cmd->device->lun;
L
Linus Torvalds 已提交
1291

1292
	spin_lock_irqsave(&ha->hardware_lock, flags);
1293 1294 1295 1296 1297
	sp = (srb_t *) CMD_SP(cmd);
	if (!sp) {
		spin_unlock_irqrestore(&ha->hardware_lock, flags);
		return SUCCESS;
	}
L
Linus Torvalds 已提交
1298

1299
	ql_dbg(ql_dbg_taskm, vha, 0x8002,
1300 1301
	    "Aborting from RISC nexus=%ld:%d:%llu sp=%p cmd=%p handle=%x\n",
	    vha->host_no, id, lun, sp, cmd, sp->handle);
1302

1303 1304
	/* Get a reference to the sp and drop the lock.*/
	sp_get(sp);
1305

1306
	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1307 1308
	rval = ha->isp_ops->abort_command(sp);
	if (rval) {
1309
		if (rval == QLA_FUNCTION_PARAMETER_ERROR)
1310
			ret = SUCCESS;
1311
		else
1312 1313
			ret = FAILED;

1314
		ql_dbg(ql_dbg_taskm, vha, 0x8003,
1315
		    "Abort command mbx failed cmd=%p, rval=%x.\n", cmd, rval);
1316
	} else {
1317
		ql_dbg(ql_dbg_taskm, vha, 0x8004,
1318
		    "Abort command mbx success cmd=%p.\n", cmd);
1319 1320
		wait = 1;
	}
1321 1322

	spin_lock_irqsave(&ha->hardware_lock, flags);
1323
	sp->done(sp, 0);
1324
	spin_unlock_irqrestore(&ha->hardware_lock, flags);
L
Linus Torvalds 已提交
1325

1326 1327 1328 1329
	/* Did the command return during mailbox execution? */
	if (ret == FAILED && !CMD_SP(cmd))
		ret = SUCCESS;

已提交
1330
	/* Wait for the command to be returned. */
1331
	if (wait) {
1332
		if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
1333
			ql_log(ql_log_warn, vha, 0x8006,
1334
			    "Abort handler timed out cmd=%p.\n", cmd);
1335
			ret = FAILED;
已提交
1336
		}
L
Linus Torvalds 已提交
1337 1338
	}

1339
	ql_log(ql_log_info, vha, 0x801c,
H
Hannes Reinecke 已提交
1340
	    "Abort command issued nexus=%ld:%d:%llu --  %d %x.\n",
1341
	    vha->host_no, id, lun, wait, ret);
L
Linus Torvalds 已提交
1342

已提交
1343 1344
	return ret;
}
L
Linus Torvalds 已提交
1345

1346
int
1347
qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
H
Hannes Reinecke 已提交
1348
	uint64_t l, enum nexus_wait_type type)
已提交
1349
{
1350
	int cnt, match, status;
1351
	unsigned long flags;
1352
	struct qla_hw_data *ha = vha->hw;
1353
	struct req_que *req;
1354
	srb_t *sp;
1355
	struct scsi_cmnd *cmd;
L
Linus Torvalds 已提交
1356

1357
	status = QLA_SUCCESS;
1358

1359
	spin_lock_irqsave(&ha->hardware_lock, flags);
1360
	req = vha->req;
1361
	for (cnt = 1; status == QLA_SUCCESS &&
1362
		cnt < req->num_outstanding_cmds; cnt++) {
1363 1364
		sp = req->outstanding_cmds[cnt];
		if (!sp)
1365
			continue;
1366
		if (sp->type != SRB_SCSI_CMD)
1367
			continue;
1368
		if (vha->vp_idx != sp->vha->vp_idx)
1369 1370
			continue;
		match = 0;
1371
		cmd = GET_CMD_SP(sp);
1372 1373 1374 1375 1376
		switch (type) {
		case WAIT_HOST:
			match = 1;
			break;
		case WAIT_TARGET:
1377
			match = cmd->device->id == t;
1378 1379
			break;
		case WAIT_LUN:
1380 1381
			match = (cmd->device->id == t &&
				cmd->device->lun == l);
1382
			break;
1383
		}
1384 1385 1386 1387
		if (!match)
			continue;

		spin_unlock_irqrestore(&ha->hardware_lock, flags);
1388
		status = qla2x00_eh_wait_on_command(cmd);
1389
		spin_lock_irqsave(&ha->hardware_lock, flags);
L
Linus Torvalds 已提交
1390
	}
1391
	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1392 1393

	return status;
L
Linus Torvalds 已提交
1394 1395
}

1396 1397 1398 1399 1400 1401
static char *reset_errors[] = {
	"HBA not online",
	"HBA not ready",
	"Task management failed",
	"Waiting for command completions",
};
L
Linus Torvalds 已提交
1402

1403
static int
1404
__qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
H
Hannes Reinecke 已提交
1405
    struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, uint64_t, int))
L
Linus Torvalds 已提交
1406
{
1407
	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1408
	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1409
	int err;
L
Linus Torvalds 已提交
1410

1411
	if (!fcport) {
1412
		return FAILED;
1413
	}
L
Linus Torvalds 已提交
1414

1415 1416 1417 1418
	err = fc_block_scsi_eh(cmd);
	if (err != 0)
		return err;

1419
	ql_log(ql_log_info, vha, 0x8009,
H
Hannes Reinecke 已提交
1420
	    "%s RESET ISSUED nexus=%ld:%d:%llu cmd=%p.\n", name, vha->host_no,
1421
	    cmd->device->id, cmd->device->lun, cmd);
L
Linus Torvalds 已提交
1422

1423
	err = 0;
1424 1425 1426
	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);
1427
		goto eh_reset_failed;
1428
	}
1429
	err = 2;
1430
	if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
1431 1432 1433
		!= QLA_SUCCESS) {
		ql_log(ql_log_warn, vha, 0x800c,
		    "do_reset failed for cmd=%p.\n", cmd);
1434
		goto eh_reset_failed;
1435
	}
1436
	err = 3;
1437
	if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
1438 1439
	    cmd->device->lun, type) != QLA_SUCCESS) {
		ql_log(ql_log_warn, vha, 0x800d,
1440
		    "wait for pending cmds failed for cmd=%p.\n", cmd);
1441
		goto eh_reset_failed;
1442
	}
1443

1444
	ql_log(ql_log_info, vha, 0x800e,
H
Hannes Reinecke 已提交
1445
	    "%s RESET SUCCEEDED nexus:%ld:%d:%llu cmd=%p.\n", name,
1446
	    vha->host_no, cmd->device->id, cmd->device->lun, cmd);
1447 1448 1449

	return SUCCESS;

1450
eh_reset_failed:
1451
	ql_log(ql_log_info, vha, 0x800f,
H
Hannes Reinecke 已提交
1452
	    "%s RESET FAILED: %s nexus=%ld:%d:%llu cmd=%p.\n", name,
1453 1454
	    reset_errors[err], vha->host_no, cmd->device->id, cmd->device->lun,
	    cmd);
1455 1456
	return FAILED;
}
L
Linus Torvalds 已提交
1457

1458 1459 1460
static int
qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
{
1461 1462
	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
	struct qla_hw_data *ha = vha->hw;
L
Linus Torvalds 已提交
1463

1464 1465 1466 1467 1468 1469
	if (qla2x00_isp_reg_stat(ha)) {
		ql_log(ql_log_info, vha, 0x803e,
		    "PCI/Register disconnect, exiting.\n");
		return FAILED;
	}

1470 1471
	return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
	    ha->isp_ops->lun_reset);
L
Linus Torvalds 已提交
1472 1473 1474
}

static int
1475
qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
L
Linus Torvalds 已提交
1476
{
1477 1478
	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
	struct qla_hw_data *ha = vha->hw;
L
Linus Torvalds 已提交
1479

1480 1481 1482 1483 1484 1485
	if (qla2x00_isp_reg_stat(ha)) {
		ql_log(ql_log_info, vha, 0x803f,
		    "PCI/Register disconnect, exiting.\n");
		return FAILED;
	}

1486 1487
	return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
	    ha->isp_ops->target_reset);
L
Linus Torvalds 已提交
1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504
}

/**************************************************************************
* 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).
*
**************************************************************************/
1505
static int
L
Linus Torvalds 已提交
1506 1507
qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
{
1508
	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1509
	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1510
	int ret = FAILED;
H
Hannes Reinecke 已提交
1511 1512
	unsigned int id;
	uint64_t lun;
1513 1514 1515 1516 1517 1518 1519
	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
1520 1521 1522

	id = cmd->device->id;
	lun = cmd->device->lun;
L
Linus Torvalds 已提交
1523

1524
	if (!fcport) {
已提交
1525
		return ret;
1526
	}
L
Linus Torvalds 已提交
1527

1528 1529 1530 1531 1532
	ret = fc_block_scsi_eh(cmd);
	if (ret != 0)
		return ret;
	ret = FAILED;

1533
	ql_log(ql_log_info, vha, 0x8012,
H
Hannes Reinecke 已提交
1534
	    "BUS RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
L
Linus Torvalds 已提交
1535

1536
	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1537 1538
		ql_log(ql_log_fatal, vha, 0x8013,
		    "Wait for hba online failed board disabled.\n");
已提交
1539
		goto eh_bus_reset_done;
L
Linus Torvalds 已提交
1540 1541
	}

1542 1543 1544
	if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
		ret = SUCCESS;

已提交
1545 1546
	if (ret == FAILED)
		goto eh_bus_reset_done;
L
Linus Torvalds 已提交
1547

1548
	/* Flush outstanding commands. */
1549
	if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) !=
1550 1551 1552
	    QLA_SUCCESS) {
		ql_log(ql_log_warn, vha, 0x8014,
		    "Wait for pending commands failed.\n");
1553
		ret = FAILED;
1554
	}
L
Linus Torvalds 已提交
1555

已提交
1556
eh_bus_reset_done:
1557
	ql_log(ql_log_warn, vha, 0x802b,
H
Hannes Reinecke 已提交
1558
	    "BUS RESET %s nexus=%ld:%d:%llu.\n",
1559
	    (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
L
Linus Torvalds 已提交
1560

已提交
1561
	return ret;
L
Linus Torvalds 已提交
1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578
}

/**************************************************************************
* 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:
**************************************************************************/
1579
static int
L
Linus Torvalds 已提交
1580 1581
qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
{
1582 1583
	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
	struct qla_hw_data *ha = vha->hw;
1584
	int ret = FAILED;
H
Hannes Reinecke 已提交
1585 1586
	unsigned int id;
	uint64_t lun;
1587
	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
L
Linus Torvalds 已提交
1588

1589 1590 1591 1592 1593 1594 1595
	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
1596 1597 1598
	id = cmd->device->id;
	lun = cmd->device->lun;

1599
	ql_log(ql_log_info, vha, 0x8018,
H
Hannes Reinecke 已提交
1600
	    "ADAPTER RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
L
Linus Torvalds 已提交
1601

1602 1603 1604 1605 1606
	/*
	 * 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
1607
		goto eh_host_reset_lock;
L
Linus Torvalds 已提交
1608

1609 1610
	if (vha != base_vha) {
		if (qla2x00_vp_abort_isp(vha))
已提交
1611
			goto eh_host_reset_lock;
1612
	} else {
1613
		if (IS_P3P_TYPE(vha->hw)) {
1614 1615 1616 1617 1618 1619 1620
			if (!qla82xx_fcoe_ctx_reset(vha)) {
				/* Ctx reset success */
				ret = SUCCESS;
				goto eh_host_reset_lock;
			}
			/* fall thru if ctx reset failed */
		}
1621 1622 1623
		if (ha->wq)
			flush_workqueue(ha->wq);

1624
		set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1625
		if (ha->isp_ops->abort_isp(base_vha)) {
1626 1627 1628 1629
			clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
			/* failed. schedule dpc to try */
			set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);

1630 1631 1632
			if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
				ql_log(ql_log_warn, vha, 0x802a,
				    "wait for hba online failed.\n");
1633
				goto eh_host_reset_lock;
1634
			}
1635 1636
		}
		clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
A
Andrew Vasquez 已提交
1637
	}
L
Linus Torvalds 已提交
1638

1639
	/* Waiting for command to be returned to OS.*/
1640
	if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) ==
1641
		QLA_SUCCESS)
已提交
1642
		ret = SUCCESS;
L
Linus Torvalds 已提交
1643

已提交
1644
eh_host_reset_lock:
1645
	ql_log(ql_log_info, vha, 0x8017,
H
Hannes Reinecke 已提交
1646
	    "ADAPTER RESET %s nexus=%ld:%d:%llu.\n",
1647
	    (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
L
Linus Torvalds 已提交
1648

已提交
1649 1650
	return ret;
}
L
Linus Torvalds 已提交
1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661

/*
* qla2x00_loop_reset
*      Issue loop reset.
*
* Input:
*      ha = adapter block pointer.
*
* Returns:
*      0 = success
*/
1662
int
1663
qla2x00_loop_reset(scsi_qla_host_t *vha)
L
Linus Torvalds 已提交
1664
{
1665
	int ret;
1666
	struct fc_port *fcport;
1667
	struct qla_hw_data *ha = vha->hw;
L
Linus Torvalds 已提交
1668

1669 1670 1671 1672
	if (IS_QLAFX00(ha)) {
		return qlafx00_loop_reset(vha);
	}

1673
	if (ql2xtargetreset == 1 && ha->flags.enable_target_reset) {
1674 1675 1676 1677 1678 1679
		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) {
1680
				ql_dbg(ql_dbg_taskm, vha, 0x802c,
1681
				    "Bus Reset failed: Reset=%d "
1682
				    "d_id=%x.\n", ret, fcport->d_id.b24);
1683 1684 1685 1686
			}
		}
	}

1687

1688
	if (ha->flags.enable_lip_full_login && !IS_CNA_CAPABLE(ha)) {
1689 1690 1691
		atomic_set(&vha->loop_state, LOOP_DOWN);
		atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
		qla2x00_mark_all_devices_lost(vha, 0);
1692
		ret = qla2x00_full_login_lip(vha);
1693
		if (ret != QLA_SUCCESS) {
1694 1695
			ql_dbg(ql_dbg_taskm, vha, 0x802d,
			    "full_login_lip=%d.\n", ret);
1696
		}
1697 1698
	}

1699
	if (ha->flags.enable_lip_reset) {
1700
		ret = qla2x00_lip_reset(vha);
1701
		if (ret != QLA_SUCCESS)
1702 1703
			ql_dbg(ql_dbg_taskm, vha, 0x802e,
			    "lip_reset failed (%d).\n", ret);
L
Linus Torvalds 已提交
1704 1705 1706
	}

	/* Issue marker command only when we are going to start the I/O */
1707
	vha->marker_needed = 1;
L
Linus Torvalds 已提交
1708

1709
	return QLA_SUCCESS;
L
Linus Torvalds 已提交
1710 1711
}

1712 1713
static void
__qla2x00_abort_all_cmds(struct qla_qpair *qp, int res)
1714
{
1715
	int cnt, status;
1716 1717
	unsigned long flags;
	srb_t *sp;
1718
	scsi_qla_host_t *vha = qp->vha;
1719
	struct qla_hw_data *ha = vha->hw;
1720
	struct req_que *req;
1721 1722 1723
	struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
	struct qla_tgt_cmd *cmd;
	uint8_t trace = 0;
1724

1725 1726
	if (!ha->req_q_map)
		return;
1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738
	spin_lock_irqsave(qp->qp_lock_ptr, flags);
	req = qp->req;
	for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
		sp = req->outstanding_cmds[cnt];
		if (sp) {
			req->outstanding_cmds[cnt] = NULL;
			if (sp->cmd_type == TYPE_SRB) {
				if (sp->type == SRB_NVME_CMD ||
				    sp->type == SRB_NVME_LS) {
					sp_get(sp);
					spin_unlock_irqrestore(qp->qp_lock_ptr,
					    flags);
1739
					qla_nvme_abort(ha, sp, res);
1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 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
					spin_lock_irqsave(qp->qp_lock_ptr,
					    flags);
				} else if (GET_CMD_SP(sp) &&
				    !ha->flags.eeh_busy &&
				    (!test_bit(ABORT_ISP_ACTIVE,
					&vha->dpc_flags)) &&
				    (sp->type == SRB_SCSI_CMD)) {
					/*
					 * Don't abort commands in
					 * adapter during EEH
					 * recovery as it's not
					 * accessible/responding.
					 *
					 * 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(qp->qp_lock_ptr,
					    flags);
					status = qla2xxx_eh_abort(
					    GET_CMD_SP(sp));
					spin_lock_irqsave(qp->qp_lock_ptr,
					    flags);
					/*
					 * Get rid of extra reference
					 * if immediate exit from
					 * ql2xxx_eh_abort
					 */
					if (status == FAILED &&
					    (qla2x00_isp_reg_stat(ha)))
						atomic_dec(
						    &sp->ref_count);
				}
				sp->done(sp, res);
			} else {
				if (!vha->hw->tgt.tgt_ops || !tgt ||
				    qla_ini_mode_enabled(vha)) {
					if (!trace)
						ql_dbg(ql_dbg_tgt_mgt,
						    vha, 0xf003,
						    "HOST-ABORT-HNDLR: dpc_flags=%lx. Target mode disabled\n",
						    vha->dpc_flags);
					continue;
1788
				}
1789 1790
				cmd = (struct qla_tgt_cmd *)sp;
				qlt_abort_cmd_on_host_reset(cmd->vha, cmd);
1791
			}
1792 1793
		}
	}
1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810
	spin_unlock_irqrestore(qp->qp_lock_ptr, flags);
}

void
qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
{
	int que;
	struct qla_hw_data *ha = vha->hw;

	__qla2x00_abort_all_cmds(ha->base_qpair, res);

	for (que = 0; que < ha->max_qpairs; que++) {
		if (!ha->queue_pair_map[que])
			continue;

		__qla2x00_abort_all_cmds(ha->queue_pair_map[que], res);
	}
1811 1812
}

已提交
1813 1814
static int
qla2xxx_slave_alloc(struct scsi_device *sdev)
L
Linus Torvalds 已提交
1815
{
1816
	struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
L
Linus Torvalds 已提交
1817

1818
	if (!rport || fc_remote_port_chkready(rport))
已提交
1819
		return -ENXIO;
1820

1821
	sdev->hostdata = *(fc_port_t **)rport->dd_data;
L
Linus Torvalds 已提交
1822

已提交
1823 1824
	return 0;
}
L
Linus Torvalds 已提交
1825

已提交
1826 1827 1828
static int
qla2xxx_slave_configure(struct scsi_device *sdev)
{
1829
	scsi_qla_host_t *vha = shost_priv(sdev->host);
1830
	struct req_que *req = vha->req;
已提交
1831

1832 1833 1834
	if (IS_T10_PI_CAPABLE(vha->hw))
		blk_queue_update_dma_alignment(sdev->request_queue, 0x7);

1835
	scsi_change_queue_depth(sdev, req->max_q_depth);
已提交
1836 1837
	return 0;
}
L
Linus Torvalds 已提交
1838

已提交
1839 1840 1841 1842
static void
qla2xxx_slave_destroy(struct scsi_device *sdev)
{
	sdev->hostdata = NULL;
L
Linus Torvalds 已提交
1843 1844 1845 1846 1847 1848 1849 1850 1851 1852
}

/**
 * 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
1853
qla2x00_config_dma_addressing(struct qla_hw_data *ha)
L
Linus Torvalds 已提交
1854
{
1855
	/* Assume a 32bit DMA mask. */
L
Linus Torvalds 已提交
1856 1857
	ha->flags.enable_64bit_addressing = 0;

1858
	if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1859 1860
		/* Any upper-dword bits set? */
		if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1861
		    !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
1862
			/* Ok, a 64bit DMA mask is applicable. */
L
Linus Torvalds 已提交
1863
			ha->flags.enable_64bit_addressing = 1;
1864 1865
			ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
			ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1866
			return;
L
Linus Torvalds 已提交
1867 1868
		}
	}
1869

1870 1871
	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
1872 1873
}

1874
static void
1875
qla2x00_enable_intrs(struct qla_hw_data *ha)
1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889
{
	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
1890
qla2x00_disable_intrs(struct qla_hw_data *ha)
1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903
{
	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
1904
qla24xx_enable_intrs(struct qla_hw_data *ha)
1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916
{
	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
1917
qla24xx_disable_intrs(struct qla_hw_data *ha)
1918 1919 1920 1921
{
	unsigned long flags = 0;
	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;

1922 1923
	if (IS_NOPOLLING_TYPE(ha))
		return;
1924 1925 1926 1927 1928 1929 1930
	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);
}

1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991
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;
1992
	ha->msix_count = QLA_BASE_VECTORS;
1993 1994
	if (!ql2xmqsupport || !ql2xnvmeenable ||
	    (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
1995 1996 1997 1998 1999 2000 2001 2002 2003
		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);
2004
		ha->msix_count = msix + 1;
2005
		/* Max queues are bounded by available msix vectors */
2006 2007 2008 2009 2010 2011 2012 2013
		/* 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);

2014
		ql_log_pci(ql_log_info, ha->pdev, 0x001a,
2015
		    "MSI-X vector count: %d.\n", ha->msix_count);
2016 2017 2018 2019 2020 2021
	} else
		ql_log_pci(ql_log_info, ha->pdev, 0x001b,
		    "BAR 3 not enabled.\n");

mqiobase_exit:
	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x001c,
2022
	    "MSIX Count: %d.\n", ha->msix_count);
2023 2024 2025 2026 2027 2028 2029
	return (0);

iospace_error_exit:
	return (-ENOMEM);
}


2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069
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;
2070
	ha->msix_count = QLA_BASE_VECTORS;
2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085
	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);
2086
		ha->msix_count = (msix & PCI_MSIX_FLAGS_QSIZE)  + 1;
2087 2088 2089 2090
		/*
		 * By default, driver uses at least two msix vectors
		 * (default & rspq)
		 */
2091
		if (ql2xmqsupport || ql2xnvmeenable) {
2092 2093
			/* MB interrupt uses 1 vector */
			ha->max_req_queues = ha->msix_count - 1;
2094 2095 2096 2097 2098

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

2099 2100
			ha->max_rsp_queues = ha->max_req_queues;

2101 2102 2103
			/* Queue pairs is the max value minus
			 * the base queue pair */
			ha->max_qpairs = ha->max_req_queues - 1;
2104
			ql_dbg_pci(ql_dbg_init, ha->pdev, 0x00e3,
2105
			    "Max no of queues pairs: %d.\n", ha->max_qpairs);
2106 2107
		}
		ql_log_pci(ql_log_info, ha->pdev, 0x011c,
2108
		    "MSI-X vector count: %d.\n", ha->msix_count);
2109 2110 2111 2112 2113 2114
	} else
		ql_log_pci(ql_log_info, ha->pdev, 0x011e,
		    "BAR 1 not enabled.\n");

mqiobase_exit:
	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011f,
2115
	    "MSIX Count: %d.\n", ha->msix_count);
2116 2117 2118 2119 2120 2121
	return 0;

iospace_error_exit:
	return -ENOMEM;
}

2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136
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,
2137 2138
	.target_reset		= qla2x00_abort_target,
	.lun_reset		= qla2x00_lun_reset,
2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153
	.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,
2154
	.start_scsi		= qla2x00_start_scsi,
2155
	.start_scsi_mq          = NULL,
2156
	.abort_isp		= qla2x00_abort_isp,
2157
	.iospace_config     	= qla2x00_iospace_config,
2158
	.initialize_adapter	= qla2x00_initialize_adapter,
2159 2160 2161 2162 2163 2164 2165 2166 2167 2168 2169 2170 2171 2172 2173 2174 2175
};

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,
2176 2177
	.target_reset		= qla2x00_abort_target,
	.lun_reset		= qla2x00_lun_reset,
2178 2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192
	.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,
2193
	.start_scsi		= qla2x00_start_scsi,
2194
	.start_scsi_mq          = NULL,
2195
	.abort_isp		= qla2x00_abort_isp,
2196
	.iospace_config		= qla2x00_iospace_config,
2197
	.initialize_adapter	= qla2x00_initialize_adapter,
2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210 2211 2212 2213 2214
};

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,
2215 2216
	.target_reset		= qla24xx_abort_target,
	.lun_reset		= qla24xx_lun_reset,
2217 2218 2219 2220 2221 2222 2223 2224 2225 2226 2227 2228 2229 2230 2231
	.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,
2232
	.start_scsi		= qla24xx_start_scsi,
2233
	.start_scsi_mq          = NULL,
2234
	.abort_isp		= qla2x00_abort_isp,
2235
	.iospace_config		= qla2x00_iospace_config,
2236
	.initialize_adapter	= qla2x00_initialize_adapter,
2237 2238
};

2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253
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,
2254 2255
	.target_reset		= qla24xx_abort_target,
	.lun_reset		= qla24xx_lun_reset,
2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 2267
	.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,
2268
	.read_optrom		= qla25xx_read_optrom_data,
2269 2270
	.write_optrom		= qla24xx_write_optrom_data,
	.get_flash_version	= qla24xx_get_flash_version,
2271
	.start_scsi		= qla24xx_dif_start_scsi,
2272
	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2273
	.abort_isp		= qla2x00_abort_isp,
2274
	.iospace_config		= qla2x00_iospace_config,
2275
	.initialize_adapter	= qla2x00_initialize_adapter,
2276 2277
};

2278 2279 2280 2281 2282 2283 2284 2285
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,
2286
	.load_risc		= qla81xx_load_risc,
2287 2288 2289 2290 2291 2292 2293 2294 2295 2296 2297 2298 2299 2300
	.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,
2301 2302
	.read_nvram		= NULL,
	.write_nvram		= NULL,
2303 2304 2305
	.fw_dump		= qla81xx_fw_dump,
	.beacon_on		= qla24xx_beacon_on,
	.beacon_off		= qla24xx_beacon_off,
2306
	.beacon_blink		= qla83xx_beacon_blink,
2307 2308 2309
	.read_optrom		= qla25xx_read_optrom_data,
	.write_optrom		= qla24xx_write_optrom_data,
	.get_flash_version	= qla24xx_get_flash_version,
2310
	.start_scsi		= qla24xx_dif_start_scsi,
2311
	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2312
	.abort_isp		= qla2x00_abort_isp,
2313
	.iospace_config		= qla2x00_iospace_config,
2314
	.initialize_adapter	= qla2x00_initialize_adapter,
2315 2316 2317 2318 2319 2320 2321 2322 2323 2324 2325
};

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,
2326
	.pci_info_str		= qla24xx_pci_info_str,
2327 2328 2329 2330 2331 2332 2333 2334 2335 2336 2337 2338 2339 2340 2341
	.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,
2342
	.fw_dump		= qla82xx_fw_dump,
2343 2344 2345
	.beacon_on		= qla82xx_beacon_on,
	.beacon_off		= qla82xx_beacon_off,
	.beacon_blink		= NULL,
2346 2347
	.read_optrom		= qla82xx_read_optrom_data,
	.write_optrom		= qla82xx_write_optrom_data,
2348
	.get_flash_version	= qla82xx_get_flash_version,
2349
	.start_scsi             = qla82xx_start_scsi,
2350
	.start_scsi_mq          = NULL,
2351
	.abort_isp		= qla82xx_abort_isp,
2352
	.iospace_config     	= qla82xx_iospace_config,
2353
	.initialize_adapter	= qla2x00_initialize_adapter,
2354 2355
};

2356 2357 2358 2359 2360 2361 2362 2363 2364 2365 2366 2367 2368 2369 2370 2371 2372 2373 2374 2375 2376 2377 2378 2379 2380
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,
2381
	.fw_dump		= qla8044_fw_dump,
2382 2383 2384
	.beacon_on		= qla82xx_beacon_on,
	.beacon_off		= qla82xx_beacon_off,
	.beacon_blink		= NULL,
2385
	.read_optrom		= qla8044_read_optrom_data,
2386 2387 2388
	.write_optrom		= qla8044_write_optrom_data,
	.get_flash_version	= qla82xx_get_flash_version,
	.start_scsi             = qla82xx_start_scsi,
2389
	.start_scsi_mq          = NULL,
2390 2391 2392 2393 2394
	.abort_isp		= qla8044_abort_isp,
	.iospace_config		= qla82xx_iospace_config,
	.initialize_adapter	= qla2x00_initialize_adapter,
};

2395 2396 2397 2398 2399 2400 2401 2402 2403 2404 2405 2406 2407 2408 2409 2410 2411 2412 2413 2414 2415 2416 2417 2418 2419 2420 2421 2422 2423 2424 2425 2426 2427
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,
2428
	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2429 2430
	.abort_isp		= qla2x00_abort_isp,
	.iospace_config		= qla83xx_iospace_config,
2431 2432 2433 2434 2435 2436 2437 2438 2439 2440 2441 2442 2443 2444 2445 2446 2447
	.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,
2448
	.abort_command		= qla24xx_async_abort_command,
2449 2450 2451 2452 2453 2454 2455 2456 2457 2458 2459 2460 2461 2462 2463 2464 2465 2466
	.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,
2467
	.start_scsi_mq          = NULL,
2468 2469 2470
	.abort_isp		= qlafx00_abort_isp,
	.iospace_config		= qlafx00_iospace_config,
	.initialize_adapter	= qlafx00_initialize_adapter,
2471 2472
};

2473 2474 2475 2476 2477 2478 2479 2480 2481 2482 2483 2484 2485 2486 2487 2488 2489 2490 2491 2492 2493 2494 2495 2496 2497 2498 2499 2500 2501 2502 2503 2504 2505
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,
2506
	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2507 2508 2509 2510 2511
	.abort_isp		= qla2x00_abort_isp,
	.iospace_config		= qla83xx_iospace_config,
	.initialize_adapter	= qla2x00_initialize_adapter,
};

2512
static inline void
2513
qla2x00_set_isp_flags(struct qla_hw_data *ha)
2514 2515 2516 2517
{
	ha->device_type = DT_EXTENDED_IDS;
	switch (ha->pdev->device) {
	case PCI_DEVICE_ID_QLOGIC_ISP2100:
2518
		ha->isp_type |= DT_ISP2100;
2519
		ha->device_type &= ~DT_EXTENDED_IDS;
2520
		ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2521 2522
		break;
	case PCI_DEVICE_ID_QLOGIC_ISP2200:
2523
		ha->isp_type |= DT_ISP2200;
2524
		ha->device_type &= ~DT_EXTENDED_IDS;
2525
		ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2526 2527
		break;
	case PCI_DEVICE_ID_QLOGIC_ISP2300:
2528
		ha->isp_type |= DT_ISP2300;
2529
		ha->device_type |= DT_ZIO_SUPPORTED;
2530
		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2531 2532
		break;
	case PCI_DEVICE_ID_QLOGIC_ISP2312:
2533
		ha->isp_type |= DT_ISP2312;
2534
		ha->device_type |= DT_ZIO_SUPPORTED;
2535
		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2536 2537
		break;
	case PCI_DEVICE_ID_QLOGIC_ISP2322:
2538
		ha->isp_type |= DT_ISP2322;
2539
		ha->device_type |= DT_ZIO_SUPPORTED;
2540 2541 2542
		if (ha->pdev->subsystem_vendor == 0x1028 &&
		    ha->pdev->subsystem_device == 0x0170)
			ha->device_type |= DT_OEM_001;
2543
		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2544 2545
		break;
	case PCI_DEVICE_ID_QLOGIC_ISP6312:
2546
		ha->isp_type |= DT_ISP6312;
2547
		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2548 2549
		break;
	case PCI_DEVICE_ID_QLOGIC_ISP6322:
2550
		ha->isp_type |= DT_ISP6322;
2551
		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2552 2553
		break;
	case PCI_DEVICE_ID_QLOGIC_ISP2422:
2554
		ha->isp_type |= DT_ISP2422;
2555
		ha->device_type |= DT_ZIO_SUPPORTED;
2556
		ha->device_type |= DT_FWI2;
2557
		ha->device_type |= DT_IIDMA;
2558
		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2559 2560
		break;
	case PCI_DEVICE_ID_QLOGIC_ISP2432:
2561
		ha->isp_type |= DT_ISP2432;
2562
		ha->device_type |= DT_ZIO_SUPPORTED;
2563
		ha->device_type |= DT_FWI2;
2564
		ha->device_type |= DT_IIDMA;
2565
		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2566
		break;
2567
	case PCI_DEVICE_ID_QLOGIC_ISP8432:
2568
		ha->isp_type |= DT_ISP8432;
2569 2570 2571 2572 2573
		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;
2574
	case PCI_DEVICE_ID_QLOGIC_ISP5422:
2575
		ha->isp_type |= DT_ISP5422;
2576
		ha->device_type |= DT_FWI2;
2577
		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2578
		break;
2579
	case PCI_DEVICE_ID_QLOGIC_ISP5432:
2580
		ha->isp_type |= DT_ISP5432;
2581
		ha->device_type |= DT_FWI2;
2582
		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2583
		break;
2584
	case PCI_DEVICE_ID_QLOGIC_ISP2532:
2585
		ha->isp_type |= DT_ISP2532;
2586 2587 2588
		ha->device_type |= DT_ZIO_SUPPORTED;
		ha->device_type |= DT_FWI2;
		ha->device_type |= DT_IIDMA;
2589
		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2590
		break;
2591
	case PCI_DEVICE_ID_QLOGIC_ISP8001:
2592
		ha->isp_type |= DT_ISP8001;
2593 2594 2595 2596 2597
		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;
2598
	case PCI_DEVICE_ID_QLOGIC_ISP8021:
2599
		ha->isp_type |= DT_ISP8021;
2600 2601 2602 2603 2604 2605
		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;
2606
	 case PCI_DEVICE_ID_QLOGIC_ISP8044:
2607
		ha->isp_type |= DT_ISP8044;
2608 2609 2610 2611 2612 2613
		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;
2614
	case PCI_DEVICE_ID_QLOGIC_ISP2031:
2615
		ha->isp_type |= DT_ISP2031;
2616 2617 2618 2619 2620 2621 2622
		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:
2623
		ha->isp_type |= DT_ISP8031;
2624 2625 2626 2627 2628 2629
		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;
2630
	case PCI_DEVICE_ID_QLOGIC_ISPF001:
2631
		ha->isp_type |= DT_ISPFX00;
2632
		break;
2633
	case PCI_DEVICE_ID_QLOGIC_ISP2071:
2634
		ha->isp_type |= DT_ISP2071;
2635 2636 2637
		ha->device_type |= DT_ZIO_SUPPORTED;
		ha->device_type |= DT_FWI2;
		ha->device_type |= DT_IIDMA;
2638
		ha->device_type |= DT_T10_PI;
2639 2640
		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
		break;
2641
	case PCI_DEVICE_ID_QLOGIC_ISP2271:
2642
		ha->isp_type |= DT_ISP2271;
2643 2644 2645
		ha->device_type |= DT_ZIO_SUPPORTED;
		ha->device_type |= DT_FWI2;
		ha->device_type |= DT_IIDMA;
2646
		ha->device_type |= DT_T10_PI;
2647 2648
		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
		break;
2649
	case PCI_DEVICE_ID_QLOGIC_ISP2261:
2650
		ha->isp_type |= DT_ISP2261;
2651 2652 2653
		ha->device_type |= DT_ZIO_SUPPORTED;
		ha->device_type |= DT_FWI2;
		ha->device_type |= DT_IIDMA;
2654
		ha->device_type |= DT_T10_PI;
2655 2656
		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
		break;
2657
	}
2658

2659
	if (IS_QLA82XX(ha))
2660
		ha->port_no = ha->portnum & 1;
2661
	else {
2662 2663
		/* Get adapter physical port no from interrupt pin register. */
		pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
2664 2665 2666 2667 2668
		if (IS_QLA27XX(ha))
			ha->port_no--;
		else
			ha->port_no = !(ha->port_no & 1);
	}
2669

2670
	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x000b,
2671
	    "device_type=0x%x port=%d fw_srisc_address=0x%x.\n",
2672
	    ha->device_type, ha->port_no, ha->fw_srisc_address);
2673 2674
}

2675 2676 2677
static void
qla2xxx_scan_start(struct Scsi_Host *shost)
{
2678
	scsi_qla_host_t *vha = shost_priv(shost);
2679

2680 2681 2682
	if (vha->hw->flags.running_gold_fw)
		return;

2683 2684 2685 2686
	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);
2687 2688 2689 2690 2691
}

static int
qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
{
2692
	scsi_qla_host_t *vha = shost_priv(shost);
2693

2694 2695
	if (test_bit(UNLOADING, &vha->dpc_flags))
		return 1;
2696
	if (!vha->host)
2697
		return 1;
2698
	if (time > vha->hw->loop_reset_delay * HZ)
2699 2700
		return 1;

2701
	return atomic_read(&vha->loop_state) == LOOP_READY;
2702 2703
}

2704 2705 2706 2707
static void qla2x00_iocb_work_fn(struct work_struct *work)
{
	struct scsi_qla_host *vha = container_of(work,
		struct scsi_qla_host, iocb_work);
2708 2709 2710 2711 2712 2713 2714
	struct qla_hw_data *ha = vha->hw;
	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
	int i = 20;
	unsigned long flags;

	if (test_bit(UNLOADING, &base_vha->dpc_flags))
		return;
2715

2716
	while (!list_empty(&vha->work_list) && i > 0) {
2717
		qla2x00_do_work(vha);
2718
		i--;
2719
	}
2720 2721 2722 2723

	spin_lock_irqsave(&vha->work_lock, flags);
	clear_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags);
	spin_unlock_irqrestore(&vha->work_lock, flags);
2724 2725
}

L
Linus Torvalds 已提交
2726 2727 2728
/*
 * PCI driver interface
 */
2729
static int
2730
qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
L
Linus Torvalds 已提交
2731
{
2732
	int	ret = -ENODEV;
L
Linus Torvalds 已提交
2733
	struct Scsi_Host *host;
2734 2735
	scsi_qla_host_t *base_vha = NULL;
	struct qla_hw_data *ha;
2736
	char pci_info[30];
2737
	char fw_str[30], wq_name[30];
2738
	struct scsi_host_template *sht;
2739
	int bars, mem_only = 0;
2740
	uint16_t req_length = 0, rsp_length = 0;
2741 2742
	struct req_que *req = NULL;
	struct rsp_que *rsp = NULL;
2743
	int i;
2744

2745
	bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
2746
	sht = &qla2xxx_driver_template;
2747
	if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
2748
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
2749
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
2750
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
2751
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
2752
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
2753
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 ||
2754 2755
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021 ||
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2031 ||
2756
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8031 ||
2757
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISPF001 ||
2758
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8044 ||
2759
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2071 ||
2760 2761
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2271 ||
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2261) {
2762
		bars = pci_select_bars(pdev, IORESOURCE_MEM);
2763
		mem_only = 1;
2764 2765
		ql_dbg_pci(ql_dbg_init, pdev, 0x0007,
		    "Mem only adapter.\n");
2766
	}
2767 2768
	ql_dbg_pci(ql_dbg_init, pdev, 0x0008,
	    "Bars=%d.\n", bars);
2769

2770 2771
	if (mem_only) {
		if (pci_enable_device_mem(pdev))
2772
			return ret;
2773 2774
	} else {
		if (pci_enable_device(pdev))
2775
			return ret;
2776
	}
2777

2778 2779
	/* This may fail but that's ok */
	pci_enable_pcie_error_reporting(pdev);
2780

2781 2782
	ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
	if (!ha) {
2783 2784
		ql_log_pci(ql_log_fatal, pdev, 0x0009,
		    "Unable to allocate memory for ha.\n");
2785
		goto disable_device;
L
Linus Torvalds 已提交
2786
	}
2787 2788
	ql_dbg_pci(ql_dbg_init, pdev, 0x000a,
	    "Memory allocated for ha=%p.\n", ha);
2789
	ha->pdev = pdev;
2790 2791
	INIT_LIST_HEAD(&ha->tgt.q_full_list);
	spin_lock_init(&ha->tgt.q_full_lock);
2792
	spin_lock_init(&ha->tgt.sess_lock);
2793 2794
	spin_lock_init(&ha->tgt.atio_lock);

2795
	atomic_set(&ha->nvme_active_aen_cnt, 0);
L
Linus Torvalds 已提交
2796 2797

	/* Clear our data area */
2798
	ha->bars = bars;
2799
	ha->mem_only = mem_only;
2800
	spin_lock_init(&ha->hardware_lock);
2801
	spin_lock_init(&ha->vport_slock);
2802
	mutex_init(&ha->selflogin_lock);
2803
	mutex_init(&ha->optrom_mutex);
L
Linus Torvalds 已提交
2804

2805 2806
	/* Set ISP-type information. */
	qla2x00_set_isp_flags(ha);
2807 2808

	/* Set EEH reset type to fundamental if required by hba */
2809
	if (IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha) ||
2810
	    IS_QLA83XX(ha) || IS_QLA27XX(ha))
2811 2812
		pdev->needs_freset = 1;

2813 2814 2815 2816
	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;
2817
	ha->max_exchg = FW_MAX_EXCHANGES_CNT;
2818

2819
	/* Assign ISP specific operations. */
L
Linus Torvalds 已提交
2820
	if (IS_QLA2100(ha)) {
2821
		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
L
Linus Torvalds 已提交
2822
		ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
2823 2824 2825
		req_length = REQUEST_ENTRY_CNT_2100;
		rsp_length = RESPONSE_ENTRY_CNT_2100;
		ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2826
		ha->gid_list_info_size = 4;
2827 2828 2829 2830
		ha->flash_conf_off = ~0;
		ha->flash_data_off = ~0;
		ha->nvram_conf_off = ~0;
		ha->nvram_data_off = ~0;
2831
		ha->isp_ops = &qla2100_isp_ops;
L
Linus Torvalds 已提交
2832
	} else if (IS_QLA2200(ha)) {
2833
		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2834
		ha->mbx_count = MAILBOX_REGISTER_COUNT_2200;
2835 2836 2837
		req_length = REQUEST_ENTRY_CNT_2200;
		rsp_length = RESPONSE_ENTRY_CNT_2100;
		ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2838
		ha->gid_list_info_size = 4;
2839 2840 2841 2842
		ha->flash_conf_off = ~0;
		ha->flash_data_off = ~0;
		ha->nvram_conf_off = ~0;
		ha->nvram_data_off = ~0;
2843
		ha->isp_ops = &qla2100_isp_ops;
2844
	} else if (IS_QLA23XX(ha)) {
2845
		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
L
Linus Torvalds 已提交
2846
		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2847 2848 2849
		req_length = REQUEST_ENTRY_CNT_2200;
		rsp_length = RESPONSE_ENTRY_CNT_2300;
		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2850
		ha->gid_list_info_size = 6;
2851 2852
		if (IS_QLA2322(ha) || IS_QLA6322(ha))
			ha->optrom_size = OPTROM_SIZE_2322;
2853 2854 2855 2856
		ha->flash_conf_off = ~0;
		ha->flash_data_off = ~0;
		ha->nvram_conf_off = ~0;
		ha->nvram_data_off = ~0;
2857
		ha->isp_ops = &qla2300_isp_ops;
2858
	} else if (IS_QLA24XX_TYPE(ha)) {
2859
		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2860
		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2861 2862
		req_length = REQUEST_ENTRY_CNT_24XX;
		rsp_length = RESPONSE_ENTRY_CNT_2300;
2863
		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2864
		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2865
		ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2866
		ha->gid_list_info_size = 8;
2867
		ha->optrom_size = OPTROM_SIZE_24XX;
2868
		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
2869
		ha->isp_ops = &qla24xx_isp_ops;
2870 2871 2872 2873
		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;
2874
	} else if (IS_QLA25XX(ha)) {
2875
		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2876
		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2877 2878
		req_length = REQUEST_ENTRY_CNT_24XX;
		rsp_length = RESPONSE_ENTRY_CNT_2300;
2879
		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2880
		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2881 2882 2883
		ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
		ha->gid_list_info_size = 8;
		ha->optrom_size = OPTROM_SIZE_25XX;
2884
		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2885
		ha->isp_ops = &qla25xx_isp_ops;
2886 2887 2888 2889 2890
		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)) {
2891
		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2892 2893 2894
		ha->mbx_count = MAILBOX_REGISTER_COUNT;
		req_length = REQUEST_ENTRY_CNT_24XX;
		rsp_length = RESPONSE_ENTRY_CNT_2300;
2895
		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2896 2897 2898 2899
		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;
2900
		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2901 2902 2903 2904 2905
		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;
2906
	} else if (IS_QLA82XX(ha)) {
2907
		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2908 2909 2910 2911 2912 2913 2914
		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;
2915
		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2916 2917 2918 2919 2920
		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;
2921 2922 2923 2924 2925 2926 2927 2928 2929 2930 2931 2932 2933 2934 2935
	} 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;
2936
	} else if (IS_QLA83XX(ha)) {
2937
		ha->portnum = PCI_FUNC(ha->pdev->devfn);
2938
		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2939
		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2940
		req_length = REQUEST_ENTRY_CNT_83XX;
Q
Quinn Tran 已提交
2941
		rsp_length = RESPONSE_ENTRY_CNT_83XX;
2942
		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2943 2944 2945 2946 2947 2948 2949 2950 2951 2952
		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;
2953 2954 2955 2956 2957 2958 2959 2960 2961 2962
	}  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;
2963
		ha->mr.fw_critemp_timer_tick = QLAFX00_CRITEMP_INTERVAL;
2964
		ha->mr.fw_hbt_en = 1;
2965 2966
		ha->mr.host_info_resend = false;
		ha->mr.hinfo_resend_timer_tick = QLAFX00_HINFO_RESEND_INTERVAL;
2967 2968 2969 2970
	} 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
2971 2972
		req_length = REQUEST_ENTRY_CNT_83XX;
		rsp_length = RESPONSE_ENTRY_CNT_83XX;
2973
		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2974 2975 2976 2977 2978 2979 2980 2981 2982 2983
		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
2984
	}
2985

2986 2987 2988
	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, "
2989 2990
	    "gid_list_info_size=%d, optrom_size=%d, nvram_npiv_size=%d, "
	    "max_fibre_devices=%d.\n",
2991 2992
	    ha->mbx_count, req_length, rsp_length, ha->max_loop_id,
	    ha->init_cb_size, ha->gid_list_info_size, ha->optrom_size,
2993
	    ha->nvram_npiv_size, ha->max_fibre_devices);
2994 2995 2996 2997 2998
	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);
2999 3000 3001 3002

	/* Configure PCI I/O space */
	ret = ha->isp_ops->iospace_config(ha);
	if (ret)
3003
		goto iospace_config_failed;
3004 3005 3006 3007

	ql_log_pci(ql_log_info, pdev, 0x001d,
	    "Found an ISP%04X irq %d iobase 0x%p.\n",
	    pdev->device, pdev->irq, ha->iobase);
3008
	mutex_init(&ha->vport_lock);
3009
	mutex_init(&ha->mq_lock);
3010 3011 3012
	init_completion(&ha->mbx_cmd_comp);
	complete(&ha->mbx_cmd_comp);
	init_completion(&ha->mbx_intr_comp);
3013
	init_completion(&ha->dcbx_comp);
3014
	init_completion(&ha->lb_portup_comp);
L
Linus Torvalds 已提交
3015

3016
	set_bit(0, (unsigned long *) ha->vp_idx_map);
L
Linus Torvalds 已提交
3017

3018
	qla2x00_config_dma_addressing(ha);
3019 3020 3021 3022
	ql_dbg_pci(ql_dbg_init, pdev, 0x0020,
	    "64 Bit addressing is %s.\n",
	    ha->flags.enable_64bit_addressing ? "enable" :
	    "disable");
3023
	ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
3024
	if (ret) {
3025 3026
		ql_log_pci(ql_log_fatal, pdev, 0x0031,
		    "Failed to allocate memory for adapter, aborting.\n");
L
Linus Torvalds 已提交
3027

3028 3029 3030
		goto probe_hw_failed;
	}

3031
	req->max_q_depth = MAX_Q_DEPTH;
3032
	if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
3033 3034
		req->max_q_depth = ql2xmaxqdepth;

3035 3036 3037

	base_vha = qla2x00_create_host(sht, ha);
	if (!base_vha) {
3038
		ret = -ENOMEM;
3039
		goto probe_hw_failed;
L
Linus Torvalds 已提交
3040 3041
	}

3042
	pci_set_drvdata(pdev, base_vha);
3043
	set_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
3044 3045

	host = base_vha->host;
3046
	base_vha->req = req;
3047
	if (IS_QLA2XXX_MIDTYPE(ha))
3048
		base_vha->mgmt_svr_loop_id = NPH_MGMT_SERVER;
3049
	else
3050 3051
		base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
						base_vha->vp_idx;
3052

3053 3054 3055 3056 3057 3058 3059 3060
	/* 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;

3061 3062 3063 3064 3065 3066 3067 3068
	/* 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;
	}
3069
	host->max_id = ha->max_fibre_devices;
3070 3071
	host->cmd_per_lun = 3;
	host->unique_id = host->host_no;
3072
	if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif)
3073 3074 3075
		host->max_cmd_len = 32;
	else
		host->max_cmd_len = MAX_CMDSZ;
3076
	host->max_channel = MAX_BUSES - 1;
3077 3078 3079 3080 3081 3082
	/* 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;
3083
	host->transportt = qla2xxx_transport_template;
3084
	sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
3085

3086 3087 3088
	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 "
3089
	    "max_lun=%llu transportt=%p, vendor_id=%llu.\n", host->max_id,
3090 3091 3092 3093
	    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);

3094 3095
	INIT_WORK(&base_vha->iocb_work, qla2x00_iocb_work_fn);

3096 3097 3098
	/* Set up the irqs */
	ret = qla2x00_request_irqs(ha, rsp);
	if (ret)
3099
		goto probe_failed;
3100

3101
	/* Alloc arrays of request and response ring ptrs */
3102 3103
	ret = qla2x00_alloc_queues(ha, req, rsp);
	if (ret) {
3104 3105 3106
		ql_log(ql_log_fatal, base_vha, 0x003d,
		    "Failed to allocate memory for queue pointers..."
		    "aborting.\n");
3107
		goto probe_failed;
3108 3109
	}

3110 3111 3112 3113 3114 3115
	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);
3116 3117 3118 3119 3120 3121 3122 3123 3124 3125 3126
	} else {
		if (ql2xnvmeenable) {
			host->nr_hw_queues = ha->max_qpairs;
			ql_dbg(ql_dbg_init, base_vha, 0x0194,
			    "FC-NVMe support is enabled, HW queues=%d\n",
			    host->nr_hw_queues);
		} else {
			ql_dbg(ql_dbg_init, base_vha, 0x0193,
			    "blk/scsi-mq disabled.\n");
		}
	}
3127

3128
	qlt_probe_one_stage1(base_vha, ha);
3129

3130 3131
	pci_save_state(pdev);

3132
	/* Assign back pointers */
3133 3134
	rsp->req = req;
	req->rsp = rsp;
3135

3136 3137 3138 3139 3140 3141 3142
	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);
	}

3143 3144 3145 3146 3147
	/* 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;
3148
	if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
3149 3150 3151 3152
		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;
3153 3154
	}

3155 3156 3157 3158 3159 3160 3161
	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;
	}

3162
	if (IS_P3P_TYPE(ha)) {
3163 3164 3165 3166 3167
		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];
	}

3168 3169 3170 3171 3172 3173 3174 3175 3176 3177 3178 3179 3180 3181
	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
3182

3183 3184
	ha->wq = alloc_workqueue("qla2xxx_wq", 0, 0);

3185
	if (ha->isp_ops->initialize_adapter(base_vha)) {
3186 3187 3188
		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
3189

3190 3191 3192
		if (IS_QLA82XX(ha)) {
			qla82xx_idc_lock(ha);
			qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3193
				QLA8XXX_DEV_FAILED);
3194
			qla82xx_idc_unlock(ha);
3195 3196
			ql_log(ql_log_fatal, base_vha, 0x00d7,
			    "HW State: FAILED.\n");
3197 3198 3199 3200 3201 3202 3203 3204
		} 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");
3205 3206
		}

3207
		ret = -ENODEV;
L
Linus Torvalds 已提交
3208 3209 3210
		goto probe_failed;
	}

3211 3212 3213 3214 3215 3216 3217 3218 3219 3220
	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);

3221 3222 3223 3224 3225 3226 3227 3228 3229 3230 3231 3232 3233 3234 3235 3236 3237
	if (ha->mqenable) {
		bool mq = false;
		bool startit = false;

		if (QLA_TGT_MODE_ENABLED()) {
			mq = true;
			startit = false;
		}

		if ((ql2x_ini_mode == QLA2XXX_INI_MODE_ENABLED) &&
		    shost_use_blk_mq(host)) {
			mq = true;
			startit = true;
		}

		if (mq) {
			/* Create start of day qpairs for Block MQ */
3238
			for (i = 0; i < ha->max_qpairs; i++)
3239
				qla2xxx_create_qpair(base_vha, 5, 0, startit);
3240 3241
		}
	}
3242

3243 3244 3245
	if (ha->flags.running_gold_fw)
		goto skip_dpc;

L
Linus Torvalds 已提交
3246 3247 3248
	/*
	 * Startup the kernel thread for this host adapter
	 */
3249
	ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
3250
	    "%s_dpc", base_vha->host_str);
3251
	if (IS_ERR(ha->dpc_thread)) {
3252 3253
		ql_log(ql_log_fatal, base_vha, 0x00ed,
		    "Failed to start DPC thread.\n");
3254
		ret = PTR_ERR(ha->dpc_thread);
3255
		ha->dpc_thread = NULL;
L
Linus Torvalds 已提交
3256 3257
		goto probe_failed;
	}
3258 3259
	ql_dbg(ql_dbg_init, base_vha, 0x00ee,
	    "DPC thread started successfully.\n");
L
Linus Torvalds 已提交
3260

3261 3262 3263 3264 3265 3266 3267 3268
	/*
	 * 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);

3269 3270
	INIT_WORK(&ha->board_disable, qla2x00_disable_board_on_pci_error);

3271 3272 3273 3274 3275 3276 3277 3278 3279 3280 3281 3282 3283 3284
	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);
	}

3285
skip_dpc:
3286 3287
	list_add_tail(&base_vha->list, &ha->vp_list);
	base_vha->host->irq = ha->pdev->irq;
L
Linus Torvalds 已提交
3288 3289

	/* Initialized the timer */
3290
	qla2x00_start_timer(base_vha, WATCH_INTERVAL);
3291 3292 3293 3294 3295 3296
	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);
3297

3298
	if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
3299
		if (ha->fw_attributes & BIT_4) {
3300
			int prot = 0, guard;
3301
			base_vha->flags.difdix_supported = 1;
3302 3303
			ql_dbg(ql_dbg_init, base_vha, 0x00f1,
			    "Registering for DIF/DIX type 1 and 3 protection.\n");
3304 3305
			if (ql2xenabledif == 1)
				prot = SHOST_DIX_TYPE0_PROTECTION;
3306
			scsi_host_set_prot(host,
3307
			    prot | SHOST_DIF_TYPE1_PROTECTION
3308
			    | SHOST_DIF_TYPE2_PROTECTION
3309 3310
			    | SHOST_DIF_TYPE3_PROTECTION
			    | SHOST_DIX_TYPE1_PROTECTION
3311
			    | SHOST_DIX_TYPE2_PROTECTION
3312
			    | SHOST_DIX_TYPE3_PROTECTION);
3313 3314 3315 3316 3317 3318 3319 3320

			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);
3321 3322 3323 3324
		} else
			base_vha->flags.difdix_supported = 0;
	}

3325 3326
	ha->isp_ops->enable_intrs(ha);

3327 3328 3329 3330 3331 3332 3333
	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;
	}

3334 3335 3336 3337
	ret = scsi_add_host(host, &pdev->dev);
	if (ret)
		goto probe_failed;

3338 3339
	base_vha->flags.init_done = 1;
	base_vha->flags.online = 1;
3340
	ha->prev_minidump_failed = 0;
3341

3342 3343 3344
	ql_dbg(ql_dbg_init, base_vha, 0x00f2,
	    "Init done and hba is online.\n");

3345 3346
	if (qla_ini_mode_enabled(base_vha) ||
		qla_dual_mode_enabled(base_vha))
3347 3348 3349 3350
		scsi_scan_host(host);
	else
		ql_dbg(ql_dbg_init, base_vha, 0x0122,
			"skipping scsi_scan_host() for non-initiator port\n");
3351

3352
	qla2x00_alloc_sysfs_attr(base_vha);
3353

3354 3355 3356 3357 3358 3359 3360 3361 3362
	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);
	}

3363
	qla2x00_init_host_attr(base_vha);
3364

3365
	qla2x00_dfs_setup(base_vha);
3366

3367 3368
	ql_log(ql_log_info, base_vha, 0x00fb,
	    "QLogic %s - %s.\n", ha->model_number, ha->model_desc);
3369 3370 3371 3372 3373
	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,
3374
	    ha->isp_ops->fw_version_str(base_vha, fw_str, sizeof(fw_str)));
L
Linus Torvalds 已提交
3375

3376 3377
	qlt_add_target(ha, base_vha);

3378
	clear_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
3379 3380 3381 3382

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

3383 3384 3385 3386 3387 3388 3389
	if (ha->flags.detected_lr_sfp) {
		ql_log(ql_log_info, base_vha, 0xffff,
		    "Reset chip to pick up LR SFP setting\n");
		set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
		qla2xxx_wake_dpc(base_vha);
	}

L
Linus Torvalds 已提交
3390 3391 3392
	return 0;

probe_failed:
3393 3394 3395 3396 3397 3398 3399 3400 3401 3402
	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);
	}

3403 3404
	qla2x00_free_device(base_vha);
	scsi_host_put(base_vha->host);
3405 3406 3407 3408 3409 3410 3411 3412
	/*
	 * Need to NULL out local req/rsp after
	 * qla2x00_free_device => qla2x00_free_queues frees
	 * what these are pointing to. Or else we'll
	 * fall over below in qla2x00_free_req/rsp_que.
	 */
	req = NULL;
	rsp = NULL;
L
Linus Torvalds 已提交
3413

3414
probe_hw_failed:
3415 3416 3417
	qla2x00_mem_free(ha);
	qla2x00_free_req_que(ha, req);
	qla2x00_free_rsp_que(ha, rsp);
3418 3419
	qla2x00_clear_drv_active(ha);

3420
iospace_config_failed:
3421
	if (IS_P3P_TYPE(ha)) {
3422
		if (!ha->nx_pcibase)
3423
			iounmap((device_reg_t *)ha->nx_pcibase);
3424
		if (!ql2xdbwr)
3425
			iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3426 3427 3428
	} else {
		if (ha->iobase)
			iounmap(ha->iobase);
3429 3430
		if (ha->cregbase)
			iounmap(ha->cregbase);
3431
	}
3432 3433
	pci_release_selected_regions(ha->pdev, ha->bars);
	kfree(ha);
L
Linus Torvalds 已提交
3434

3435
disable_device:
3436
	pci_disable_device(pdev);
3437
	return ret;
L
Linus Torvalds 已提交
3438 3439
}

3440 3441 3442 3443 3444 3445 3446 3447 3448
static void
qla2x00_shutdown(struct pci_dev *pdev)
{
	scsi_qla_host_t *vha;
	struct qla_hw_data  *ha;

	vha = pci_get_drvdata(pdev);
	ha = vha->hw;

3449 3450 3451 3452 3453 3454 3455 3456 3457 3458 3459 3460 3461
	ql_log(ql_log_info, vha, 0xfffa,
		"Adapter shutdown\n");

	/*
	 * Prevent future board_disable and wait
	 * until any pending board_disable has completed.
	 */
	set_bit(PFLG_DRIVER_REMOVING, &vha->pci_flags);
	cancel_work_sync(&ha->board_disable);

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

3462 3463 3464 3465
	/* Notify ISPFX00 firmware */
	if (IS_QLAFX00(ha))
		qlafx00_driver_shutdown(vha, 20);

3466 3467 3468 3469 3470 3471 3472 3473 3474 3475
	/* 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);

3476 3477 3478 3479 3480 3481 3482
	if (IS_QLA25XX(ha) ||  IS_QLA2031(ha) || IS_QLA27XX(ha)) {
		if (ha->flags.fw_started)
			qla2x00_abort_isp_cleanup(vha);
	} else {
		/* Stop currently executing firmware. */
		qla2x00_try_to_stop_firmware(vha);
	}
3483 3484 3485 3486 3487 3488 3489 3490 3491 3492 3493 3494 3495

	/* 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);
3496 3497

	pci_disable_device(pdev);
3498 3499
	ql_log(ql_log_info, vha, 0xfffe,
		"Adapter shutdown successfully.\n");
3500 3501
}

3502
/* Deletes all the virtual ports for a given ha */
A
Adrian Bunk 已提交
3503
static void
3504
qla2x00_delete_all_vps(struct qla_hw_data *ha, scsi_qla_host_t *base_vha)
L
Linus Torvalds 已提交
3505
{
3506
	scsi_qla_host_t *vha;
3507
	unsigned long flags;
3508

3509 3510 3511
	mutex_lock(&ha->vport_lock);
	while (ha->cur_vport_count) {
		spin_lock_irqsave(&ha->vport_slock, flags);
3512

3513 3514 3515
		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);
3516
		scsi_host_get(vha->host);
3517

3518 3519 3520 3521 3522
		spin_unlock_irqrestore(&ha->vport_slock, flags);
		mutex_unlock(&ha->vport_lock);

		fc_vport_terminate(vha->fc_vport);
		scsi_host_put(vha->host);
3523

3524
		mutex_lock(&ha->vport_lock);
3525
	}
3526
	mutex_unlock(&ha->vport_lock);
3527
}
L
Linus Torvalds 已提交
3528

3529 3530 3531 3532
/* Stops all deferred work threads */
static void
qla2x00_destroy_deferred_work(struct qla_hw_data *ha)
{
3533 3534 3535 3536 3537 3538 3539 3540 3541 3542 3543 3544 3545 3546 3547
	/* 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;
	}

3548 3549 3550 3551 3552 3553 3554 3555 3556 3557 3558
	/* 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);
	}
3559
}
L
Linus Torvalds 已提交
3560

3561 3562 3563
static void
qla2x00_unmap_iobases(struct qla_hw_data *ha)
{
3564
	if (IS_QLA82XX(ha)) {
3565

3566
		iounmap((device_reg_t *)ha->nx_pcibase);
3567
		if (!ql2xdbwr)
3568
			iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3569 3570 3571
	} else {
		if (ha->iobase)
			iounmap(ha->iobase);
L
Linus Torvalds 已提交
3572

3573 3574 3575
		if (ha->cregbase)
			iounmap(ha->cregbase);

3576 3577
		if (ha->mqiobase)
			iounmap(ha->mqiobase);
3578

3579
		if ((IS_QLA83XX(ha) || IS_QLA27XX(ha)) && ha->msixbase)
3580
			iounmap(ha->msixbase);
3581
	}
3582 3583 3584
}

static void
3585
qla2x00_clear_drv_active(struct qla_hw_data *ha)
3586 3587 3588
{
	if (IS_QLA8044(ha)) {
		qla8044_idc_lock(ha);
3589
		qla8044_clear_drv_active(ha);
3590 3591 3592 3593 3594 3595 3596 3597 3598 3599 3600 3601 3602 3603
		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;

3604 3605 3606 3607 3608 3609 3610 3611
	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);

3612
	/*
3613 3614 3615
	 * 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.
3616
	 */
3617
	if (!atomic_read(&pdev->enable_cnt)) {
3618 3619 3620
		dma_free_coherent(&ha->pdev->dev, base_vha->gnl.size,
		    base_vha->gnl.l, base_vha->gnl.ldma);

3621 3622 3623
		scsi_host_put(base_vha->host);
		kfree(ha);
		pci_set_drvdata(pdev, NULL);
3624
		return;
3625
	}
3626 3627
	qla2x00_wait_for_hba_ready(base_vha);

3628 3629
	qla2x00_wait_for_sess_deletion(base_vha);

3630 3631
	/*
	 * if UNLOAD flag is already set, then continue unload,
3632 3633 3634 3635 3636
	 * where it was set first.
	 */
	if (test_bit(UNLOADING, &base_vha->dpc_flags))
		return;

3637
	set_bit(UNLOADING, &base_vha->dpc_flags);
3638 3639 3640

	qla_nvme_delete(base_vha);

3641 3642
	dma_free_coherent(&ha->pdev->dev,
		base_vha->gnl.size, base_vha->gnl.l, base_vha->gnl.ldma);
3643

3644 3645
	vfree(base_vha->scan.l);

3646 3647 3648 3649 3650 3651 3652 3653 3654 3655 3656 3657 3658 3659 3660 3661 3662 3663 3664 3665 3666 3667 3668 3669 3670
	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);

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

	base_vha->flags.online = 0;

3671 3672 3673 3674
	/* free DMA memory */
	if (ha->exlogin_buf)
		qla2x00_free_exlogin_buffer(ha);

3675 3676 3677 3678
	/* free DMA memory */
	if (ha->exchoffld_buf)
		qla2x00_free_exchoffld_buffer(ha);

3679 3680 3681 3682 3683 3684 3685
	qla2x00_destroy_deferred_work(ha);

	qlt_remove_target(ha, base_vha);

	qla2x00_free_sysfs_attr(base_vha, true);

	fc_remove_host(base_vha->host);
3686
	qlt_remove_target_resources(ha);
3687 3688 3689 3690 3691

	scsi_remove_host(base_vha->host);

	qla2x00_free_device(base_vha);

3692
	qla2x00_clear_drv_active(ha);
3693

3694 3695
	scsi_host_put(base_vha->host);

3696
	qla2x00_unmap_iobases(ha);
3697

3698 3699
	pci_release_selected_regions(ha->pdev, ha->bars);
	kfree(ha);
L
Linus Torvalds 已提交
3700

3701 3702
	pci_disable_pcie_error_reporting(pdev);

3703
	pci_disable_device(pdev);
L
Linus Torvalds 已提交
3704 3705 3706
}

static void
3707
qla2x00_free_device(scsi_qla_host_t *vha)
L
Linus Torvalds 已提交
3708
{
3709
	struct qla_hw_data *ha = vha->hw;
L
Linus Torvalds 已提交
3710

3711 3712 3713 3714 3715 3716
	qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);

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

3717
	qla25xx_delete_queues(vha);
3718

3719
	if (ha->flags.fce_enabled)
3720
		qla2x00_disable_fce_trace(vha, NULL, NULL);
3721

3722
	if (ha->eft)
3723
		qla2x00_disable_eft_trace(vha);
3724

3725 3726 3727 3728 3729 3730 3731 3732 3733 3734
	if (IS_QLA25XX(ha) ||  IS_QLA2031(ha) || IS_QLA27XX(ha)) {
		if (ha->flags.fw_started)
			qla2x00_abort_isp_cleanup(vha);
	} else {
		if (ha->flags.fw_started) {
			/* Stop currently executing firmware. */
			qla2x00_try_to_stop_firmware(vha);
			ha->flags.fw_started = 0;
		}
	}
L
Linus Torvalds 已提交
3735

3736 3737
	vha->flags.online = 0;

3738
	/* turn-off interrupts on the card */
3739 3740
	if (ha->interrupts_on) {
		vha->flags.init_done = 0;
3741
		ha->isp_ops->disable_intrs(ha);
3742
	}
3743

3744 3745
	qla2x00_free_fcports(vha);

3746
	qla2x00_free_irqs(vha);
L
Linus Torvalds 已提交
3747

3748 3749 3750 3751 3752 3753 3754
	/* Flush the work queue and remove it */
	if (ha->wq) {
		flush_workqueue(ha->wq);
		destroy_workqueue(ha->wq);
		ha->wq = NULL;
	}

3755

3756
	qla2x00_mem_free(ha);
3757

3758 3759
	qla82xx_md_free(vha);

3760
	qla2x00_free_queues(ha);
L
Linus Torvalds 已提交
3761 3762
}

3763 3764 3765 3766 3767 3768
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);
3769
		qla2x00_clear_loop_id(fcport);
3770 3771 3772 3773
		kfree(fcport);
	}
}

3774
static inline void
3775
qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
3776 3777 3778
    int defer)
{
	struct fc_rport *rport;
3779
	scsi_qla_host_t *base_vha;
3780
	unsigned long flags;
3781 3782 3783 3784 3785 3786

	if (!fcport->rport)
		return;

	rport = fcport->rport;
	if (defer) {
3787
		base_vha = pci_get_drvdata(vha->hw->pdev);
3788
		spin_lock_irqsave(vha->host->host_lock, flags);
3789
		fcport->drport = rport;
3790
		spin_unlock_irqrestore(vha->host->host_lock, flags);
3791
		qlt_do_generation_tick(vha, &base_vha->total_fcport_update_gen);
3792 3793
		set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
		qla2xxx_wake_dpc(base_vha);
3794
	} else {
3795
		int now;
3796
		if (rport) {
3797 3798 3799 3800
			ql_dbg(ql_dbg_disc, fcport->vha, 0x2109,
			    "%s %8phN. rport %p roles %x\n",
			    __func__, fcport->port_name, rport,
			    rport->roles);
3801
			fc_remote_port_delete(rport);
3802
		}
3803
		qlt_do_generation_tick(vha, &now);
3804
	}
3805 3806
}

L
Linus Torvalds 已提交
3807 3808 3809 3810 3811 3812 3813 3814 3815
/*
 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
 *
 * Input: ha = adapter block pointer.  fcport = port structure pointer.
 *
 * Return: None.
 *
 * Context:
 */
3816
void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
3817
    int do_login, int defer)
L
Linus Torvalds 已提交
3818
{
3819 3820 3821 3822 3823 3824
	if (IS_QLAFX00(vha->hw)) {
		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
		qla2x00_schedule_rport_del(vha, fcport, defer);
		return;
	}

3825
	if (atomic_read(&fcport->state) == FCS_ONLINE &&
3826
	    vha->vp_idx == fcport->vha->vp_idx) {
3827
		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3828 3829
		qla2x00_schedule_rport_del(vha, fcport, defer);
	}
A
Andrew Vasquez 已提交
3830
	/*
L
Linus Torvalds 已提交
3831 3832 3833 3834
	 * 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)
3835
		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
L
Linus Torvalds 已提交
3836 3837 3838 3839

	if (!do_login)
		return;

3840 3841
	set_bit(RELOGIN_NEEDED, &vha->dpc_flags);

L
Linus Torvalds 已提交
3842
	if (fcport->login_retry == 0) {
3843
		fcport->login_retry = vha->hw->login_retry_count;
L
Linus Torvalds 已提交
3844

3845
		ql_dbg(ql_dbg_disc, vha, 0x20a3,
3846
		    "Port login retry %8phN, lid 0x%04x retry cnt=%d.\n",
3847
		    fcport->port_name, fcport->loop_id, fcport->login_retry);
L
Linus Torvalds 已提交
3848 3849 3850 3851 3852 3853 3854 3855 3856 3857 3858 3859 3860 3861 3862 3863 3864
	}
}

/*
 * 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
3865
qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
L
Linus Torvalds 已提交
3866 3867 3868
{
	fc_port_t *fcport;

3869 3870
	ql_dbg(ql_dbg_disc, vha, 0x20f1,
	    "Mark all dev lost\n");
3871

3872
	list_for_each_entry(fcport, &vha->vp_fcports, list) {
3873
		fcport->scan_state = 0;
3874
		qlt_schedule_sess_for_deletion(fcport);
3875

3876
		if (vha->vp_idx != 0 && vha->vp_idx != fcport->vha->vp_idx)
L
Linus Torvalds 已提交
3877
			continue;
3878

L
Linus Torvalds 已提交
3879 3880 3881 3882 3883 3884
		/*
		 * No point in marking the device as lost, if the device is
		 * already DEAD.
		 */
		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
			continue;
3885
		if (atomic_read(&fcport->state) == FCS_ONLINE) {
3886
			qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3887 3888
			if (defer)
				qla2x00_schedule_rport_del(vha, fcport, defer);
3889
			else if (vha->vp_idx == fcport->vha->vp_idx)
3890 3891
				qla2x00_schedule_rport_del(vha, fcport, defer);
		}
L
Linus Torvalds 已提交
3892 3893 3894 3895 3896 3897 3898 3899 3900
	}
}

/*
* qla2x00_mem_alloc
*      Allocates adapter memory.
*
* Returns:
*      0  = success.
3901
*      !0  = failure.
L
Linus Torvalds 已提交
3902
*/
3903
static int
3904 3905
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
3906 3907 3908
{
	char	name[16];

3909
	ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
3910
		&ha->init_cb_dma, GFP_KERNEL);
3911
	if (!ha->init_cb)
3912
		goto fail;
3913

3914 3915 3916
	if (qlt_mem_alloc(ha) < 0)
		goto fail_free_init_cb;

3917 3918
	ha->gid_list = dma_alloc_coherent(&ha->pdev->dev,
		qla2x00_gid_list_size(ha), &ha->gid_list_dma, GFP_KERNEL);
3919
	if (!ha->gid_list)
3920
		goto fail_free_tgt_mem;
L
Linus Torvalds 已提交
3921

3922 3923
	ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
	if (!ha->srb_mempool)
3924
		goto fail_free_gid_list;
3925

3926
	if (IS_P3P_TYPE(ha)) {
3927 3928 3929 3930 3931 3932
		/* 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)
3933
				goto fail_free_srb_mempool;
3934 3935 3936 3937 3938
		}
		ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ,
			ctx_cachep);
		if (!ha->ctx_mempool)
			goto fail_free_srb_mempool;
3939 3940 3941
		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0021,
		    "ctx_cachep=%p ctx_mempool=%p.\n",
		    ctx_cachep, ha->ctx_mempool);
3942 3943
	}

3944 3945 3946
	/* Get memory for cached NVRAM */
	ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
	if (!ha->nvram)
3947
		goto fail_free_ctx_mempool;
3948

3949 3950 3951 3952 3953 3954 3955
	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;

3956 3957 3958 3959
	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);

3960
	if (IS_P3P_TYPE(ha) || ql2xenabledif) {
3961 3962 3963
		ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
			DSD_LIST_DMA_POOL_SIZE, 8, 0);
		if (!ha->dl_dma_pool) {
3964 3965
			ql_log_pci(ql_log_fatal, ha->pdev, 0x0023,
			    "Failed to allocate memory for dl_dma_pool.\n");
3966 3967 3968 3969 3970 3971
			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) {
3972 3973
			ql_log_pci(ql_log_fatal, ha->pdev, 0x0024,
			    "Failed to allocate memory for fcp_cmnd_dma_pool.\n");
3974 3975
			goto fail_dl_dma_pool;
		}
3976 3977 3978
		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);
3979 3980
	}

3981 3982
	/* Allocate memory for SNS commands */
	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3983
	/* Get consistent memory allocated for SNS commands */
3984
		ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
3985
		sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
3986
		if (!ha->sns_cmd)
3987
			goto fail_dma_pool;
3988
		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0026,
3989
		    "sns_cmd: %p.\n", ha->sns_cmd);
3990
	} else {
3991
	/* Get consistent memory allocated for MS IOCB */
3992
		ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
3993
			&ha->ms_iocb_dma);
3994
		if (!ha->ms_iocb)
3995 3996
			goto fail_dma_pool;
	/* Get consistent memory allocated for CT SNS commands */
3997
		ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
3998
			sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
3999 4000
		if (!ha->ct_sns)
			goto fail_free_ms_iocb;
4001 4002 4003
		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
4004 4005
	}

4006
	/* Allocate memory for request ring */
4007 4008
	*req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
	if (!*req) {
4009 4010
		ql_log_pci(ql_log_fatal, ha->pdev, 0x0028,
		    "Failed to allocate memory for req.\n");
4011 4012
		goto fail_req;
	}
4013 4014 4015 4016 4017
	(*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) {
4018 4019
		ql_log_pci(ql_log_fatal, ha->pdev, 0x0029,
		    "Failed to allocate memory for req_ring.\n");
4020 4021 4022
		goto fail_req_ring;
	}
	/* Allocate memory for response ring */
4023 4024
	*rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
	if (!*rsp) {
4025 4026
		ql_log_pci(ql_log_fatal, ha->pdev, 0x002a,
		    "Failed to allocate memory for rsp.\n");
4027 4028
		goto fail_rsp;
	}
4029 4030 4031 4032 4033 4034
	(*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) {
4035 4036
		ql_log_pci(ql_log_fatal, ha->pdev, 0x002b,
		    "Failed to allocate memory for rsp_ring.\n");
4037 4038
		goto fail_rsp_ring;
	}
4039 4040
	(*req)->rsp = *rsp;
	(*rsp)->req = *req;
4041 4042 4043 4044 4045
	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);
4046 4047
	/* Allocate memory for NVRAM data for vports */
	if (ha->nvram_npiv_size) {
K
Kees Cook 已提交
4048 4049 4050
		ha->npiv_info = kcalloc(ha->nvram_npiv_size,
					sizeof(struct qla_npiv_entry),
					GFP_KERNEL);
4051
		if (!ha->npiv_info) {
4052 4053
			ql_log_pci(ql_log_fatal, ha->pdev, 0x002d,
			    "Failed to allocate memory for npiv_info.\n");
4054 4055 4056 4057
			goto fail_npiv_info;
		}
	} else
		ha->npiv_info = NULL;
4058

4059
	/* Get consistent memory allocated for EX-INIT-CB. */
4060
	if (IS_CNA_CAPABLE(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha)) {
4061 4062 4063 4064
		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;
4065 4066
		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002e,
		    "ex_init_cb=%p.\n", ha->ex_init_cb);
4067 4068
	}

4069 4070
	INIT_LIST_HEAD(&ha->gbl_dsd_list);

4071 4072 4073 4074 4075 4076
	/* 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;
4077 4078
		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002f,
		    "async_pd=%p.\n", ha->async_pd);
4079 4080
	}

4081
	INIT_LIST_HEAD(&ha->vp_list);
4082 4083

	/* Allocate memory for our loop_id bitmap */
K
Kees Cook 已提交
4084 4085 4086
	ha->loop_id_map = kcalloc(BITS_TO_LONGS(LOOPID_MAP_SIZE),
				  sizeof(long),
				  GFP_KERNEL);
4087
	if (!ha->loop_id_map)
4088
		goto fail_loop_id_map;
4089 4090 4091
	else {
		qla2x00_set_reserved_loop_ids(ha);
		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0123,
4092
		    "loop_id_map=%p.\n", ha->loop_id_map);
4093 4094
	}

4095 4096 4097 4098 4099 4100 4101 4102
	ha->sfp_data = dma_alloc_coherent(&ha->pdev->dev,
	    SFP_DEV_SIZE, &ha->sfp_data_dma, GFP_KERNEL);
	if (!ha->sfp_data) {
		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,
		    "Unable to allocate memory for SFP read-data.\n");
		goto fail_sfp_data;
	}

4103
	return 0;
4104

4105 4106
fail_sfp_data:
	kfree(ha->loop_id_map);
4107 4108
fail_loop_id_map:
	dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
4109 4110
fail_async_pd:
	dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
4111 4112
fail_ex_init_cb:
	kfree(ha->npiv_info);
4113 4114 4115 4116 4117
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;
4118
fail_rsp_ring:
4119
	kfree(*rsp);
4120
	*rsp = NULL;
4121
fail_rsp:
4122 4123 4124 4125
	dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
		sizeof(request_t), (*req)->ring, (*req)->dma);
	(*req)->ring = NULL;
	(*req)->dma = 0;
4126
fail_req_ring:
4127
	kfree(*req);
4128
	*req = NULL;
4129 4130 4131 4132 4133
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;
4134 4135 4136 4137
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;
4138 4139 4140 4141

	if (ha->sns_cmd)
		dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
		    ha->sns_cmd, ha->sns_cmd_dma);
4142
fail_dma_pool:
4143
	if (IS_QLA82XX(ha) || ql2xenabledif) {
4144 4145 4146 4147
		dma_pool_destroy(ha->fcp_cmnd_dma_pool);
		ha->fcp_cmnd_dma_pool = NULL;
	}
fail_dl_dma_pool:
4148
	if (IS_QLA82XX(ha) || ql2xenabledif) {
4149 4150 4151 4152
		dma_pool_destroy(ha->dl_dma_pool);
		ha->dl_dma_pool = NULL;
	}
fail_s_dma_pool:
4153 4154
	dma_pool_destroy(ha->s_dma_pool);
	ha->s_dma_pool = NULL;
4155 4156 4157
fail_free_nvram:
	kfree(ha->nvram);
	ha->nvram = NULL;
4158
fail_free_ctx_mempool:
4159 4160
	if (ha->ctx_mempool)
		mempool_destroy(ha->ctx_mempool);
4161
	ha->ctx_mempool = NULL;
4162
fail_free_srb_mempool:
4163 4164
	if (ha->srb_mempool)
		mempool_destroy(ha->srb_mempool);
4165 4166
	ha->srb_mempool = NULL;
fail_free_gid_list:
4167 4168
	dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
	ha->gid_list,
4169
	ha->gid_list_dma);
4170 4171
	ha->gid_list = NULL;
	ha->gid_list_dma = 0;
4172 4173
fail_free_tgt_mem:
	qlt_mem_free(ha);
4174 4175 4176 4177 4178
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;
4179
fail:
4180 4181
	ql_log(ql_log_fatal, NULL, 0x0030,
	    "Memory allocation failure.\n");
4182
	return -ENOMEM;
L
Linus Torvalds 已提交
4183 4184
}

4185 4186 4187 4188 4189 4190 4191 4192 4193 4194 4195
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;

4196 4197 4198
	if (!IS_EXLOGIN_OFFLD_CAPABLE(ha))
		return QLA_SUCCESS;

4199 4200 4201 4202 4203 4204 4205 4206 4207 4208
	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;
4209 4210 4211 4212 4213 4214 4215 4216 4217 4218 4219 4220 4221 4222 4223 4224 4225 4226
	temp *= size;

	if (temp != ha->exlogin_size) {
		qla2x00_free_exlogin_buffer(ha);
		ha->exlogin_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,
4227
		    "Failed to allocate memory for exlogin_buf_dma.\n");
4228 4229
			return -ENOMEM;
		}
4230 4231 4232 4233 4234
	}

	/* Now configure the dma buffer */
	rval = qla_set_exlogin_mem_cfg(vha, ha->exlogin_buf_dma);
	if (rval) {
4235
		ql_log(ql_log_fatal, vha, 0xd033,
4236 4237 4238 4239 4240 4241 4242 4243 4244 4245 4246 4247 4248 4249 4250 4251 4252 4253 4254 4255 4256 4257 4258 4259
		    "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;
	}
}

4260 4261 4262 4263 4264 4265
static void
qla2x00_number_of_exch(scsi_qla_host_t *vha, u32 *ret_cnt, u16 max_cnt)
{
	u32 temp;
	*ret_cnt = FW_DEF_EXCHANGES_CNT;

4266 4267 4268
	if (max_cnt > vha->hw->max_exchg)
		max_cnt = vha->hw->max_exchg;

4269 4270 4271 4272 4273 4274 4275 4276 4277 4278 4279 4280 4281 4282 4283 4284 4285 4286 4287 4288 4289 4290 4291 4292 4293
	if (qla_ini_mode_enabled(vha)) {
		if (ql2xiniexchg > max_cnt)
			ql2xiniexchg = max_cnt;

		if (ql2xiniexchg > FW_DEF_EXCHANGES_CNT)
			*ret_cnt = ql2xiniexchg;
	} else if (qla_tgt_mode_enabled(vha)) {
		if (ql2xexchoffld > max_cnt)
			ql2xexchoffld = max_cnt;

		if (ql2xexchoffld > FW_DEF_EXCHANGES_CNT)
			*ret_cnt = ql2xexchoffld;
	} else if (qla_dual_mode_enabled(vha)) {
		temp = ql2xiniexchg + ql2xexchoffld;
		if (temp > max_cnt) {
			ql2xiniexchg -= (temp - max_cnt)/2;
			ql2xexchoffld -= (((temp - max_cnt)/2) + 1);
			temp = max_cnt;
		}

		if (temp > FW_DEF_EXCHANGES_CNT)
			*ret_cnt = temp;
	}
}

4294 4295 4296 4297
int
qla2x00_set_exchoffld_buffer(scsi_qla_host_t *vha)
{
	int rval;
4298 4299
	u16	size, max_cnt;
	u32 actual_cnt, totsz;
4300 4301
	struct qla_hw_data *ha = vha->hw;

4302 4303 4304 4305
	if (!ha->flags.exchoffld_enabled)
		return QLA_SUCCESS;

	if (!IS_EXCHG_OFFLD_CAPABLE(ha))
4306 4307 4308 4309 4310 4311 4312 4313 4314 4315
		return QLA_SUCCESS;

	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;
	}

4316 4317 4318 4319 4320
	qla2x00_number_of_exch(vha, &actual_cnt, max_cnt);
	ql_log(ql_log_info, vha, 0xd014,
	    "Actual exchange offload count: %d.\n", actual_cnt);

	totsz = actual_cnt * size;
4321

4322
	if (totsz != ha->exchoffld_size) {
4323
		qla2x00_free_exchoffld_buffer(ha);
4324
		ha->exchoffld_size = totsz;
4325 4326

		ql_log(ql_log_info, vha, 0xd016,
4327 4328
		    "Exchange offload: max_count=%d, actual count=%d entry sz=0x%x, total sz=0x%x\n",
		    max_cnt, actual_cnt, size, totsz);
4329 4330 4331 4332 4333 4334 4335 4336 4337 4338

		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,
4339 4340 4341 4342 4343 4344 4345 4346 4347 4348 4349 4350 4351 4352 4353
			"Failed to allocate memory for Exchange Offload.\n");

			if (ha->max_exchg >
			    (FW_DEF_EXCHANGES_CNT + REDUCE_EXCHANGES_CNT)) {
				ha->max_exchg -= REDUCE_EXCHANGES_CNT;
			} else if (ha->max_exchg >
			    (FW_DEF_EXCHANGES_CNT + 512)) {
				ha->max_exchg -= 512;
			} else {
				ha->flags.exchoffld_enabled = 0;
				ql_log_pci(ql_log_fatal, ha->pdev, 0xd013,
				    "Disabling Exchange offload due to lack of memory\n");
			}
			ha->exchoffld_size = 0;

4354 4355
			return -ENOMEM;
		}
4356 4357 4358
	}

	/* Now configure the dma buffer */
4359
	rval = qla_set_exchoffld_mem_cfg(vha);
4360 4361 4362 4363
	if (rval) {
		ql_log(ql_log_fatal, vha, 0xd02e,
		    "Setup exchange offload buffer ****FAILED****.\n");
		qla2x00_free_exchoffld_buffer(ha);
4364 4365 4366 4367 4368 4369 4370 4371
	} else {
		/* re-adjust number of target exchange */
		struct init_cb_81xx *icb = (struct init_cb_81xx *)ha->init_cb;

		if (qla_ini_mode_enabled(vha))
			icb->exchange_count = 0;
		else
			icb->exchange_count = cpu_to_le16(ql2xexchoffld);
4372 4373 4374 4375 4376 4377 4378 4379 4380 4381 4382 4383 4384 4385 4386 4387 4388 4389 4390 4391 4392 4393
	}

	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
4394
/*
4395 4396
* qla2x00_free_fw_dump
*	Frees fw dump stuff.
L
Linus Torvalds 已提交
4397 4398
*
* Input:
4399
*	ha = adapter block pointer
L
Linus Torvalds 已提交
4400
*/
A
Adrian Bunk 已提交
4401
static void
4402
qla2x00_free_fw_dump(struct qla_hw_data *ha)
L
Linus Torvalds 已提交
4403
{
4404
	if (ha->fce)
4405 4406
		dma_free_coherent(&ha->pdev->dev,
		    FCE_SIZE, ha->fce, ha->fce_dma);
4407

4408 4409 4410 4411 4412
	if (ha->eft)
		dma_free_coherent(&ha->pdev->dev,
		    EFT_SIZE, ha->eft, ha->eft_dma);

	if (ha->fw_dump)
4413
		vfree(ha->fw_dump);
4414 4415 4416
	if (ha->fw_dump_template)
		vfree(ha->fw_dump_template);

4417 4418 4419 4420 4421
	ha->fce = NULL;
	ha->fce_dma = 0;
	ha->eft = NULL;
	ha->eft_dma = 0;
	ha->fw_dumped = 0;
4422
	ha->fw_dump_cap_flags = 0;
4423
	ha->fw_dump_reading = 0;
4424 4425 4426 4427
	ha->fw_dump = NULL;
	ha->fw_dump_len = 0;
	ha->fw_dump_template = NULL;
	ha->fw_dump_template_len = 0;
4428 4429 4430 4431 4432 4433 4434 4435 4436 4437 4438 4439 4440 4441
}

/*
* 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);

4442 4443 4444 4445
	if (ha->mctp_dump)
		dma_free_coherent(&ha->pdev->dev, MCTP_DUMP_SIZE, ha->mctp_dump,
		    ha->mctp_dump_dma);

4446 4447
	if (ha->srb_mempool)
		mempool_destroy(ha->srb_mempool);
4448

4449 4450 4451 4452
	if (ha->dcbx_tlv)
		dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
		    ha->dcbx_tlv, ha->dcbx_tlv_dma);

4453 4454 4455 4456
	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
4457 4458
	if (ha->sns_cmd)
		dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
4459
		ha->sns_cmd, ha->sns_cmd_dma);
L
Linus Torvalds 已提交
4460 4461 4462

	if (ha->ct_sns)
		dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
4463
		ha->ct_sns, ha->ct_sns_dma);
L
Linus Torvalds 已提交
4464

4465
	if (ha->sfp_data)
4466 4467
		dma_free_coherent(&ha->pdev->dev, SFP_DEV_SIZE, ha->sfp_data,
		    ha->sfp_data_dma);
4468

L
Linus Torvalds 已提交
4469 4470 4471
	if (ha->ms_iocb)
		dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);

4472
	if (ha->ex_init_cb)
4473 4474
		dma_pool_free(ha->s_dma_pool,
			ha->ex_init_cb, ha->ex_init_cb_dma);
4475

4476 4477 4478
	if (ha->async_pd)
		dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);

L
Linus Torvalds 已提交
4479 4480 4481 4482
	if (ha->s_dma_pool)
		dma_pool_destroy(ha->s_dma_pool);

	if (ha->gid_list)
4483 4484
		dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
		ha->gid_list, ha->gid_list_dma);
L
Linus Torvalds 已提交
4485

4486 4487 4488 4489 4490 4491 4492 4493 4494 4495 4496 4497 4498 4499 4500 4501 4502 4503 4504 4505 4506 4507 4508 4509
	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);

4510 4511
	qlt_mem_free(ha);

4512 4513
	if (ha->init_cb)
		dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
4514
			ha->init_cb, ha->init_cb_dma);
4515

4516 4517 4518 4519 4520
	vfree(ha->optrom_buffer);
	kfree(ha->nvram);
	kfree(ha->npiv_info);
	kfree(ha->swl);
	kfree(ha->loop_id_map);
L
Linus Torvalds 已提交
4521

4522
	ha->srb_mempool = NULL;
4523
	ha->ctx_mempool = NULL;
L
Linus Torvalds 已提交
4524 4525 4526 4527 4528 4529 4530 4531
	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;
4532 4533
	ha->ex_init_cb = NULL;
	ha->ex_init_cb_dma = 0;
4534 4535
	ha->async_pd = NULL;
	ha->async_pd_dma = 0;
4536 4537 4538 4539 4540 4541 4542 4543 4544
	ha->loop_id_map = NULL;
	ha->npiv_info = NULL;
	ha->optrom_buffer = NULL;
	ha->swl = NULL;
	ha->nvram = NULL;
	ha->mctp_dump = NULL;
	ha->dcbx_tlv = NULL;
	ha->xgmac_data = NULL;
	ha->sfp_data = NULL;
L
Linus Torvalds 已提交
4545 4546

	ha->s_dma_pool = NULL;
4547 4548
	ha->dl_dma_pool = NULL;
	ha->fcp_cmnd_dma_pool = NULL;
L
Linus Torvalds 已提交
4549 4550 4551

	ha->gid_list = NULL;
	ha->gid_list_dma = 0;
4552 4553 4554 4555

	ha->tgt.atio_ring = NULL;
	ha->tgt.atio_dma = 0;
	ha->tgt.tgt_vp_map = NULL;
4556
}
L
Linus Torvalds 已提交
4557

4558 4559 4560 4561 4562
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;
4563

4564
	host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
4565
	if (!host) {
4566 4567
		ql_log_pci(ql_log_fatal, ha->pdev, 0x0107,
		    "Failed to allocate host from the scsi layer, aborting.\n");
4568
		return NULL;
4569 4570 4571 4572 4573 4574 4575 4576 4577 4578 4579 4580 4581
	}

	/* 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);
4582 4583
	INIT_LIST_HEAD(&vha->qla_cmd_list);
	INIT_LIST_HEAD(&vha->qla_sess_op_cmd_list);
4584
	INIT_LIST_HEAD(&vha->logo_list);
4585
	INIT_LIST_HEAD(&vha->plogi_ack_list);
4586
	INIT_LIST_HEAD(&vha->qp_list);
4587
	INIT_LIST_HEAD(&vha->gnl.fcports);
4588
	INIT_LIST_HEAD(&vha->nvme_rport_list);
4589
	INIT_LIST_HEAD(&vha->gpnid_list);
4590
	INIT_WORK(&vha->iocb_work, qla2x00_iocb_work_fn);
4591

4592
	spin_lock_init(&vha->work_lock);
4593
	spin_lock_init(&vha->cmd_list_lock);
4594
	spin_lock_init(&vha->gnl.fcports_lock);
4595
	init_waitqueue_head(&vha->fcport_waitQ);
4596
	init_waitqueue_head(&vha->vref_waitq);
4597

4598 4599
	vha->gnl.size = sizeof(struct get_name_list_extended) *
			(ha->max_loop_id + 1);
4600 4601 4602
	vha->gnl.l = dma_alloc_coherent(&ha->pdev->dev,
	    vha->gnl.size, &vha->gnl.ldma, GFP_KERNEL);
	if (!vha->gnl.l) {
4603
		ql_log(ql_log_fatal, vha, 0xd04a,
4604 4605 4606 4607
		    "Alloc failed for name list.\n");
		scsi_remove_host(vha->host);
		return NULL;
	}
4608

4609 4610 4611 4612 4613 4614 4615 4616 4617 4618 4619
	/* todo: what about ext login? */
	vha->scan.size = ha->max_fibre_devices * sizeof(struct fab_scan_rp);
	vha->scan.l = vmalloc(vha->scan.size);
	if (!vha->scan.l) {
		ql_log(ql_log_fatal, vha, 0xd04a,
		    "Alloc failed for scan database.\n");
		dma_free_coherent(&ha->pdev->dev, vha->gnl.size,
		    vha->gnl.l, vha->gnl.ldma);
		scsi_remove_host(vha->host);
		return NULL;
	}
4620
	INIT_DELAYED_WORK(&vha->scan.scan_work, qla_scan_work_fn);
4621

4622
	sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
4623 4624 4625 4626 4627
	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)));

4628
	return vha;
L
Linus Torvalds 已提交
4629 4630
}

4631
struct qla_work_evt *
4632
qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
4633 4634
{
	struct qla_work_evt *e;
4635 4636 4637 4638 4639
	uint8_t bail;

	QLA_VHA_MARK_BUSY(vha, bail);
	if (bail)
		return NULL;
4640

4641
	e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
4642 4643
	if (!e) {
		QLA_VHA_MARK_NOT_BUSY(vha);
4644
		return NULL;
4645
	}
4646 4647 4648 4649 4650 4651 4652

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

4653
int
4654
qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
4655
{
4656
	unsigned long flags;
4657
	bool q = false;
4658

4659
	spin_lock_irqsave(&vha->work_lock, flags);
4660
	list_add_tail(&e->list, &vha->work_list);
4661 4662 4663 4664

	if (!test_and_set_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags))
		q = true;

4665
	spin_unlock_irqrestore(&vha->work_lock, flags);
4666

4667 4668
	if (q)
		queue_work(vha->hw->wq, &vha->iocb_work);
4669

4670 4671 4672 4673
	return QLA_SUCCESS;
}

int
4674
qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
4675 4676 4677 4678
    u32 data)
{
	struct qla_work_evt *e;

4679
	e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
4680 4681 4682 4683 4684
	if (!e)
		return QLA_FUNCTION_FAILED;

	e->u.aen.code = code;
	e->u.aen.data = data;
4685
	return qla2x00_post_work(vha, e);
4686 4687
}

4688 4689 4690 4691 4692
int
qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
{
	struct qla_work_evt *e;

4693
	e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
4694 4695 4696 4697
	if (!e)
		return QLA_FUNCTION_FAILED;

	memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
4698
	return qla2x00_post_work(vha, e);
4699 4700
}

4701 4702 4703 4704 4705 4706 4707 4708 4709 4710 4711 4712 4713 4714 4715 4716
#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];	\
	}					\
4717
	fcport->flags |= FCF_ASYNC_ACTIVE;	\
4718 4719 4720 4721 4722 4723
	return qla2x00_post_work(vha, e);	\
}

qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE);
4724 4725
qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC);
qla2x00_post_async_work(adisc_done, QLA_EVT_ASYNC_ADISC_DONE);
4726 4727
qla2x00_post_async_work(prlo, QLA_EVT_ASYNC_PRLO);
qla2x00_post_async_work(prlo_done, QLA_EVT_ASYNC_PRLO_DONE);
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
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);
}

4760 4761 4762 4763 4764 4765 4766 4767 4768 4769 4770 4771 4772 4773 4774 4775
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);
}

4776 4777 4778 4779 4780 4781 4782 4783 4784 4785 4786 4787 4788 4789 4790 4791
int qla24xx_post_upd_fcport_work(struct scsi_qla_host *vha, fc_port_t *fcport)
{
	struct qla_work_evt *e;

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

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

static
void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e)
{
	unsigned long flags;
4792
	fc_port_t *fcport =  NULL, *tfcp;
4793 4794
	struct qlt_plogi_ack_t *pla =
	    (struct qlt_plogi_ack_t *)e->u.new_sess.pla;
4795
	uint8_t free_fcport = 0;
4796
	u64 wwn;
4797

4798 4799 4800 4801
	ql_dbg(ql_dbg_disc, vha, 0xffff,
	    "%s %d %8phC enter\n",
	    __func__, __LINE__, e->u.new_sess.port_name);

4802 4803 4804 4805 4806 4807
	spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
	fcport = qla2x00_find_fcport_by_wwpn(vha, e->u.new_sess.port_name, 1);
	if (fcport) {
		fcport->d_id = e->u.new_sess.id;
		if (pla) {
			fcport->fw_login_state = DSC_LS_PLOGI_PEND;
4808 4809 4810
			memcpy(fcport->node_name,
			    pla->iocb.u.isp24.u.plogi.node_name,
			    WWN_SIZE);
4811 4812 4813 4814 4815 4816 4817
			qlt_plogi_ack_link(vha, pla, fcport, QLT_PLOGI_LINK_SAME_WWN);
			/* we took an extra ref_count to prevent PLOGI ACK when
			 * fcport/sess has not been created.
			 */
			pla->ref_count--;
		}
	} else {
4818
		spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
4819 4820 4821 4822 4823
		fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
		if (fcport) {
			fcport->d_id = e->u.new_sess.id;
			fcport->flags |= FCF_FABRIC_DEVICE;
			fcport->fw_login_state = DSC_LS_PLOGI_PEND;
4824
			if (e->u.new_sess.fc4_type & FS_FC4TYPE_FCP)
4825
				fcport->fc4_type = FC4_TYPE_FCP_SCSI;
4826

4827
			if (e->u.new_sess.fc4_type & FS_FC4TYPE_NVME) {
4828 4829 4830
				fcport->fc4_type = FC4_TYPE_OTHER;
				fcport->fc4f_nvme = FC4_TYPE_NVME;
			}
4831

4832 4833
			memcpy(fcport->port_name, e->u.new_sess.port_name,
			    WWN_SIZE);
4834 4835 4836 4837 4838 4839 4840 4841 4842 4843 4844
		} else {
			ql_dbg(ql_dbg_disc, vha, 0xffff,
				   "%s %8phC mem alloc fail.\n",
				   __func__, e->u.new_sess.port_name);

			if (pla)
				kmem_cache_free(qla_tgt_plogi_cachep, pla);
			return;
		}

		spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
4845
		/* search again to make sure no one else got ahead */
4846 4847 4848 4849 4850 4851 4852 4853 4854 4855 4856
		tfcp = qla2x00_find_fcport_by_wwpn(vha,
		    e->u.new_sess.port_name, 1);
		if (tfcp) {
			/* should rarily happen */
			ql_dbg(ql_dbg_disc, vha, 0xffff,
			    "%s %8phC found existing fcport b4 add. DS %d LS %d\n",
			    __func__, tfcp->port_name, tfcp->disc_state,
			    tfcp->fw_login_state);

			free_fcport = 1;
		} else {
4857 4858
			list_add_tail(&fcport->list, &vha->vp_fcports);

4859 4860 4861 4862 4863
		}
		if (pla) {
			qlt_plogi_ack_link(vha, pla, fcport,
			    QLT_PLOGI_LINK_SAME_WWN);
			pla->ref_count--;
4864 4865 4866 4867 4868
		}
	}
	spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);

	if (fcport) {
4869 4870 4871
		if (N2N_TOPO(vha->hw))
			fcport->flags &= ~FCF_FABRIC_DEVICE;

4872 4873 4874 4875
		fcport->id_changed = 1;
		fcport->scan_state = QLA_FCPORT_FOUND;
		memcpy(fcport->node_name, e->u.new_sess.node_name, WWN_SIZE);

4876
		if (pla) {
4877 4878 4879 4880 4881 4882 4883 4884 4885 4886 4887 4888 4889 4890 4891 4892 4893 4894 4895 4896 4897
			if (pla->iocb.u.isp24.status_subcode == ELS_PRLI) {
				u16 wd3_lo;

				fcport->fw_login_state = DSC_LS_PRLI_PEND;
				fcport->local = 0;
				fcport->loop_id =
					le16_to_cpu(
					    pla->iocb.u.isp24.nport_handle);
				fcport->fw_login_state = DSC_LS_PRLI_PEND;
				wd3_lo =
				    le16_to_cpu(
					pla->iocb.u.isp24.u.prli.wd3_lo);

				if (wd3_lo & BIT_7)
					fcport->conf_compl_supported = 1;

				if ((wd3_lo & BIT_4) == 0)
					fcport->port_type = FCT_INITIATOR;
				else
					fcport->port_type = FCT_TARGET;
			}
4898
			qlt_plogi_ack_unref(vha, pla);
4899
		} else {
4900 4901
			fc_port_t *dfcp = NULL;

4902 4903 4904 4905 4906 4907 4908 4909 4910 4911 4912 4913 4914 4915 4916 4917 4918 4919 4920 4921 4922 4923
			spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
			tfcp = qla2x00_find_fcport_by_nportid(vha,
			    &e->u.new_sess.id, 1);
			if (tfcp && (tfcp != fcport)) {
				/*
				 * We have a conflict fcport with same NportID.
				 */
				ql_dbg(ql_dbg_disc, vha, 0xffff,
				    "%s %8phC found conflict b4 add. DS %d LS %d\n",
				    __func__, tfcp->port_name, tfcp->disc_state,
				    tfcp->fw_login_state);

				switch (tfcp->disc_state) {
				case DSC_DELETED:
					break;
				case DSC_DELETE_PEND:
					fcport->login_pause = 1;
					tfcp->conflict = fcport;
					break;
				default:
					fcport->login_pause = 1;
					tfcp->conflict = fcport;
4924
					dfcp = tfcp;
4925 4926 4927 4928
					break;
				}
			}
			spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
4929 4930
			if (dfcp)
				qlt_schedule_sess_for_deletion(tfcp);
4931 4932 4933 4934 4935 4936 4937

			wwn = wwn_to_u64(fcport->node_name);

			if (!wwn)
				qla24xx_async_gnnid(vha, fcport);
			else
				qla24xx_async_gnl(vha, fcport);
4938
		}
4939
	}
4940 4941 4942 4943 4944 4945

	if (free_fcport) {
		qla2x00_free_fcport(fcport);
		if (pla)
			kmem_cache_free(qla_tgt_plogi_cachep, pla);
	}
4946 4947
}

4948 4949 4950 4951 4952 4953 4954 4955 4956 4957 4958 4959 4960 4961
static void qla_sp_retry(struct scsi_qla_host *vha, struct qla_work_evt *e)
{
	struct srb *sp = e->u.iosb.sp;
	int rval;

	rval = qla2x00_start_sp(sp);
	if (rval != QLA_SUCCESS) {
		ql_dbg(ql_dbg_disc, vha, 0x2043,
		    "%s: %s: Re-issue IOCB failed (%d).\n",
		    __func__, sp->name, rval);
		qla24xx_sp_unmap(vha, sp);
	}
}

4962
void
4963
qla2x00_do_work(struct scsi_qla_host *vha)
4964
{
4965 4966 4967
	struct qla_work_evt *e, *tmp;
	unsigned long flags;
	LIST_HEAD(work);
4968

4969 4970 4971 4972 4973
	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) {
4974 4975 4976 4977
		list_del_init(&e->list);

		switch (e->type) {
		case QLA_EVT_AEN:
4978
			fc_host_post_event(vha->host, fc_get_event_number(),
4979 4980
			    e->u.aen.code, e->u.aen.data);
			break;
4981 4982 4983
		case QLA_EVT_IDC_ACK:
			qla81xx_idc_ack(vha, e->u.idc_ack.mb);
			break;
4984 4985 4986 4987 4988 4989 4990 4991 4992 4993 4994
		case QLA_EVT_ASYNC_LOGIN:
			qla2x00_async_login(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;
4995 4996 4997 4998 4999 5000 5001 5002
		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;
5003 5004 5005
		case QLA_EVT_UEVENT:
			qla2x00_uevent_emit(vha, e->u.uevent.code);
			break;
5006 5007 5008
		case QLA_EVT_AENFX:
			qlafx00_process_aen(vha, e);
			break;
5009 5010 5011 5012 5013 5014
		case QLA_EVT_GIDPN:
			qla24xx_async_gidpn(vha, e->u.fcport.fcport);
			break;
		case QLA_EVT_GPNID:
			qla24xx_async_gpnid(vha, &e->u.gpnid.id);
			break;
5015 5016
		case QLA_EVT_UNMAP:
			qla24xx_sp_unmap(vha, e->u.iosb.sp);
5017
			break;
5018 5019 5020
		case QLA_EVT_RELOGIN:
			qla2x00_relogin(vha);
			break;
5021 5022 5023 5024 5025 5026 5027
		case QLA_EVT_NEW_SESS:
			qla24xx_create_new_sess(vha, e);
			break;
		case QLA_EVT_GPDB:
			qla24xx_async_gpdb(vha, e->u.fcport.fcport,
			    e->u.fcport.opt);
			break;
5028 5029 5030
		case QLA_EVT_PRLI:
			qla24xx_async_prli(vha, e->u.fcport.fcport);
			break;
5031 5032 5033 5034 5035 5036 5037 5038 5039 5040 5041 5042
		case QLA_EVT_GPSC:
			qla24xx_async_gpsc(vha, e->u.fcport.fcport);
			break;
		case QLA_EVT_UPD_FCPORT:
			qla2x00_update_fcport(vha, e->u.fcport.fcport);
			break;
		case QLA_EVT_GNL:
			qla24xx_async_gnl(vha, e->u.fcport.fcport);
			break;
		case QLA_EVT_NACK:
			qla24xx_do_nack_work(vha, e);
			break;
5043 5044 5045 5046 5047 5048 5049
		case QLA_EVT_ASYNC_PRLO:
			qla2x00_async_prlo(vha, e->u.logio.fcport);
			break;
		case QLA_EVT_ASYNC_PRLO_DONE:
			qla2x00_async_prlo_done(vha, e->u.logio.fcport,
			    e->u.logio.data);
			break;
5050
		case QLA_EVT_GPNFT:
5051 5052
			qla24xx_async_gpnft(vha, e->u.gpnft.fc4_type,
			    e->u.gpnft.sp);
5053 5054 5055 5056 5057 5058 5059 5060 5061 5062 5063 5064 5065
			break;
		case QLA_EVT_GPNFT_DONE:
			qla24xx_async_gpnft_done(vha, e->u.iosb.sp);
			break;
		case QLA_EVT_GNNFT_DONE:
			qla24xx_async_gnnft_done(vha, e->u.iosb.sp);
			break;
		case QLA_EVT_GNNID:
			qla24xx_async_gnnid(vha, e->u.fcport.fcport);
			break;
		case QLA_EVT_GFPNID:
			qla24xx_async_gfpnid(vha, e->u.fcport.fcport);
			break;
5066 5067
		case QLA_EVT_SP_RETRY:
			qla_sp_retry(vha, e);
5068 5069 5070 5071
			break;
		case QLA_EVT_IIDMA:
			qla_do_iidma_work(vha, e->u.fcport.fcport);
			break;
5072 5073 5074
		}
		if (e->flags & QLA_EVT_FLAG_FREE)
			kfree(e);
5075 5076 5077

		/* For each work completed decrement vha ref count */
		QLA_VHA_MARK_NOT_BUSY(vha);
5078 5079
	}
}
5080

5081 5082 5083 5084 5085 5086 5087 5088 5089 5090 5091 5092 5093 5094
int qla24xx_post_relogin_work(struct scsi_qla_host *vha)
{
	struct qla_work_evt *e;

	e = qla2x00_alloc_work(vha, QLA_EVT_RELOGIN);

	if (!e) {
		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
		return QLA_FUNCTION_FAILED;
	}

	return qla2x00_post_work(vha, e);
}

5095 5096 5097 5098 5099 5100
/* Relogins all the fcports of a vport
 * Context: dpc thread
 */
void qla2x00_relogin(struct scsi_qla_host *vha)
{
	fc_port_t       *fcport;
5101
	int status;
5102
	struct event_arg ea;
5103 5104

	list_for_each_entry(fcport, &vha->vp_fcports, list) {
5105 5106 5107 5108
		/*
		 * If the port is not ONLINE then try to login
		 * to it if we haven't run out of retries.
		 */
5109
		if (atomic_read(&fcport->state) != FCS_ONLINE &&
5110 5111
		    fcport->login_retry &&
		    !(fcport->flags & (FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE))) {
5112
			if (vha->hw->current_topology != ISP_CFG_NL) {
5113
				ql_dbg(ql_dbg_disc, fcport->vha, 0x2108,
5114 5115 5116 5117 5118 5119 5120
				    "%s %8phC DS %d LS %d\n", __func__,
				    fcport->port_name, fcport->disc_state,
				    fcport->fw_login_state);
				memset(&ea, 0, sizeof(ea));
				ea.event = FCME_RELOGIN;
				ea.fcport = fcport;
				qla2x00_fcport_event_handler(vha, &ea);
5121
			} else if (vha->hw->current_topology == ISP_CFG_NL) {
5122
				fcport->login_retry--;
5123 5124
				status = qla2x00_local_device_login(vha,
								fcport);
5125 5126 5127 5128 5129 5130 5131 5132 5133 5134 5135 5136 5137 5138 5139 5140
				if (status == QLA_SUCCESS) {
					fcport->old_loop_id = fcport->loop_id;
					ql_dbg(ql_dbg_disc, vha, 0x2003,
					    "Port login OK: logged in ID 0x%x.\n",
					    fcport->loop_id);
					qla2x00_update_fcport(vha, fcport);
				} else if (status == 1) {
					set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
					/* retry the login again */
					ql_dbg(ql_dbg_disc, vha, 0x2007,
					    "Retrying %d login again loop_id 0x%x.\n",
					    fcport->login_retry,
					    fcport->loop_id);
				} else {
					fcport->login_retry = 0;
				}
5141

5142 5143 5144
				if (fcport->login_retry == 0 &&
				    status != QLA_SUCCESS)
					qla2x00_clear_loop_id(fcport);
5145 5146 5147 5148
			}
		}
		if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
			break;
5149
	}
5150 5151 5152

	ql_dbg(ql_dbg_disc, vha, 0x400e,
	    "Relogin end.\n");
5153 5154
}

5155 5156 5157 5158 5159 5160 5161 5162 5163 5164 5165 5166 5167 5168 5169 5170 5171 5172 5173 5174 5175 5176 5177 5178 5179 5180 5181 5182 5183 5184 5185
/* 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,
5186
		    "Unknown work-code=0x%x.\n", work_code);
5187 5188 5189 5190 5191 5192 5193 5194 5195 5196
	}

	return;
}

/* Work: Perform NIC Core Unrecoverable state handling */
void
qla83xx_nic_core_unrecoverable_work(struct work_struct *work)
{
	struct qla_hw_data *ha =
5197
		container_of(work, struct qla_hw_data, nic_core_unrecoverable);
5198 5199 5200 5201 5202 5203 5204 5205 5206 5207 5208 5209 5210 5211 5212 5213 5214 5215 5216 5217 5218
	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 =
5219
		container_of(work, struct qla_hw_data, idc_state_handler);
5220 5221 5222 5223 5224 5225 5226 5227 5228 5229 5230
	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);
}

5231
static int
5232 5233 5234 5235 5236 5237 5238 5239 5240 5241 5242 5243 5244 5245 5246 5247 5248 5249 5250 5251 5252 5253 5254 5255 5256 5257 5258 5259 5260 5261 5262 5263 5264 5265 5266 5267 5268
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;

5269 5270 5271 5272 5273 5274 5275
	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;
	}

5276 5277 5278 5279 5280 5281 5282 5283 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 5312 5313 5314 5315 5316 5317 5318 5319 5320 5321 5322 5323 5324 5325 5326 5327 5328 5329 5330 5331 5332 5333 5334 5335 5336 5337 5338 5339 5340 5341 5342 5343 5344 5345 5346 5347 5348
	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 */
	}
}

5349
static int
5350 5351 5352 5353 5354 5355 5356
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;
5357 5358
	ql_dbg(ql_dbg_p3p, base_vha, 0xb086,
	    "Trying force recovery of the IDC lock.\n");
5359 5360 5361 5362 5363 5364 5365 5366 5367 5368 5369 5370 5371 5372 5373 5374 5375 5376 5377 5378 5379 5380 5381 5382 5383 5384 5385 5386 5387 5388 5389 5390 5391 5392 5393 5394 5395 5396 5397 5398 5399 5400 5401 5402 5403 5404 5405 5406 5407 5408 5409

	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;
}

5410
static int
5411 5412 5413 5414 5415 5416 5417 5418 5419 5420 5421 5422 5423 5424 5425 5426 5427 5428 5429 5430 5431 5432 5433 5434 5435 5436 5437 5438 5439 5440 5441 5442 5443 5444 5445 5446 5447 5448 5449
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;
5450
	uint32_t lock_owner;
5451 5452 5453 5454 5455 5456 5457 5458 5459 5460 5461
	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 {
5462 5463
			qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID,
			    &lock_owner);
5464
			ql_dbg(ql_dbg_p3p, base_vha, 0xb063,
5465 5466
			    "Failed to acquire IDC lock, acquired by %d, "
			    "retrying...\n", lock_owner);
5467 5468 5469 5470 5471 5472 5473 5474 5475 5476 5477 5478 5479 5480 5481 5482 5483 5484 5485 5486 5487 5488 5489 5490 5491 5492 5493 5494 5495 5496 5497 5498 5499 5500 5501

			/* 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)
{
5502 5503 5504 5505
#if 0
	uint16_t options = (requester_id << 15) | BIT_7;
#endif
	uint16_t retry;
5506 5507 5508 5509 5510 5511 5512 5513 5514 5515 5516 5517 5518 5519 5520 5521 5522 5523 5524 5525 5526
	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,
5527
			    "Failed to release IDC lock, retrying=%d\n", retry);
5528 5529 5530 5531 5532 5533 5534
			goto retry_unlock;
		}
	} else if (retry < 10) {
		/* Retry for IDC-unlock */
		qla83xx_wait_logic();
		retry++;
		ql_dbg(ql_dbg_p3p, base_vha, 0xb065,
5535
		    "Failed to read drv-lockid, retrying=%d\n", retry);
5536 5537 5538 5539 5540
		goto retry_unlock;
	}

	return;

5541
#if 0
5542 5543 5544 5545 5546 5547 5548 5549 5550
	/* 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,
5551
			    "Failed to release IDC lock, retrying=%d\n", retry);
5552 5553 5554 5555 5556
			goto retry_unlock2;
		}
	}

	return;
5557
#endif
5558 5559 5560 5561 5562 5563 5564 5565 5566 5567 5568 5569 5570 5571 5572 5573 5574 5575 5576 5577 5578 5579 5580 5581 5582 5583 5584 5585 5586 5587 5588 5589 5590 5591 5592 5593 5594 5595 5596 5597 5598 5599 5600 5601 5602 5603 5604 5605 5606 5607 5608 5609 5610 5611 5612 5613 5614 5615 5616 5617
}

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;
}

5618
static void
5619 5620 5621 5622 5623 5624 5625 5626 5627 5628 5629
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);
5630
		if ((drv_ack & drv_presence) == drv_presence)
5631 5632 5633 5634 5635 5636 5637 5638 5639 5640 5641 5642 5643 5644 5645 5646 5647 5648 5649 5650 5651 5652 5653 5654 5655 5656
			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");
}

5657
static int
5658 5659 5660 5661 5662 5663 5664 5665 5666 5667 5668 5669 5670 5671 5672 5673 5674 5675 5676 5677 5678 5679 5680 5681 5682 5683 5684 5685 5686 5687 5688 5689 5690 5691 5692 5693 5694 5695 5696 5697 5698 5699 5700 5701 5702 5703 5704 5705 5706 5707 5708 5709 5710 5711 5712 5713 5714 5715 5716 5717 5718 5719 5720 5721 5722 5723 5724 5725 5726 5727 5728 5729 5730 5731 5732 5733 5734 5735 5736 5737 5738 5739 5740 5741 5742 5743 5744 5745 5746 5747 5748 5749 5750 5751 5752 5753 5754 5755 5756 5757 5758 5759 5760 5761 5762 5763 5764 5765 5766 5767 5768 5769 5770 5771 5772 5773 5774 5775 5776 5777 5778 5779 5780 5781 5782 5783 5784 5785 5786 5787 5788 5789 5790
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,
5791
			    "Unknown Device State: %x.\n", dev_state);
5792 5793 5794 5795 5796 5797 5798 5799 5800 5801 5802 5803
			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;
}

5804 5805 5806 5807 5808 5809 5810 5811
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);

5812 5813
	/*
	 * if UNLOAD flag is already set, then continue unload,
5814 5815 5816 5817 5818
	 * where it was set first.
	 */
	if (test_bit(UNLOADING, &base_vha->dpc_flags))
		return;

5819 5820 5821
	ql_log(ql_log_warn, base_vha, 0x015b,
	    "Disabling adapter.\n");

5822 5823 5824 5825 5826 5827 5828
	if (!atomic_read(&pdev->enable_cnt)) {
		ql_log(ql_log_info, base_vha, 0xfffc,
		    "PCI device disabled, no action req for PCI error=%lx\n",
		    base_vha->pci_flags);
		return;
	}

5829 5830
	qla2x00_wait_for_sess_deletion(base_vha);

5831 5832 5833 5834 5835 5836 5837 5838 5839 5840 5841 5842 5843 5844 5845 5846 5847 5848 5849 5850 5851 5852 5853 5854 5855 5856 5857 5858 5859 5860
	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);
5861
	qla2x00_free_irqs(base_vha);
5862 5863 5864 5865 5866 5867 5868 5869 5870 5871
	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);

5872 5873 5874
	/*
	 * Let qla2x00_remove_one cleanup qla_hw_data on device removal.
	 */
5875 5876
}

L
Linus Torvalds 已提交
5877 5878 5879 5880 5881 5882 5883 5884 5885 5886 5887 5888 5889 5890 5891 5892
/**************************************************************************
* 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)
{
5893 5894
	scsi_qla_host_t *base_vha;
	struct qla_hw_data *ha;
5895 5896
	uint32_t online;
	struct qla_qpair *qpair;
L
Linus Torvalds 已提交
5897

5898 5899
	ha = (struct qla_hw_data *)data;
	base_vha = pci_get_drvdata(ha->pdev);
L
Linus Torvalds 已提交
5900

5901
	set_user_nice(current, MIN_NICE);
L
Linus Torvalds 已提交
5902

5903
	set_current_state(TASK_INTERRUPTIBLE);
5904
	while (!kthread_should_stop()) {
5905 5906
		ql_dbg(ql_dbg_dpc, base_vha, 0x4000,
		    "DPC handler sleeping.\n");
L
Linus Torvalds 已提交
5907

5908
		schedule();
L
Linus Torvalds 已提交
5909

5910 5911
		if (!base_vha->flags.init_done || ha->flags.mbox_busy)
			goto end_loop;
L
Linus Torvalds 已提交
5912

5913
		if (ha->flags.eeh_busy) {
5914 5915
			ql_dbg(ql_dbg_dpc, base_vha, 0x4003,
			    "eeh_busy=%d.\n", ha->flags.eeh_busy);
5916
			goto end_loop;
5917 5918
		}

L
Linus Torvalds 已提交
5919 5920
		ha->dpc_active = 1;

5921 5922 5923
		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
5924

5925 5926 5927
		if (test_bit(UNLOADING, &base_vha->dpc_flags))
			break;

5928 5929 5930 5931 5932 5933 5934 5935 5936 5937 5938 5939 5940 5941 5942 5943 5944 5945 5946 5947 5948 5949 5950 5951 5952 5953 5954
		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;
				}
5955 5956 5957 5958 5959
			}

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

5960 5961
				ql_dbg(ql_dbg_dpc, base_vha, 0x4005,
				    "FCoE context reset scheduled.\n");
5962 5963 5964 5965 5966 5967 5968 5969 5970 5971 5972 5973 5974
				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);
				}

5975 5976
				ql_dbg(ql_dbg_dpc, base_vha, 0x4006,
				    "FCoE context reset end.\n");
5977
			}
5978 5979 5980 5981 5982 5983 5984 5985
		} 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,
5986
					    &base_vha->dpc_flags)) {
5987 5988 5989 5990 5991
						set_bit(ISP_UNRECOVERABLE,
						    &base_vha->dpc_flags);
						ql_dbg(ql_dbg_dpc, base_vha,
						    0x4021,
						    "Reset Recovery Failed\n");
5992
					}
5993 5994 5995 5996 5997 5998 5999 6000 6001 6002 6003 6004 6005 6006 6007 6008 6009 6010
				}
			}

			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");
			}
6011 6012 6013 6014 6015 6016 6017 6018
			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);
			}
6019 6020
		}

6021 6022 6023 6024 6025 6026 6027 6028 6029 6030
		if (test_and_clear_bit(DETECT_SFP_CHANGE,
			&base_vha->dpc_flags) &&
		    !test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) {
			qla24xx_detect_sfp(base_vha);

			if (ha->flags.detected_lr_sfp !=
			    ha->flags.using_lr_setting)
				set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
		}

6031 6032
		if (test_and_clear_bit(ISP_ABORT_NEEDED,
						&base_vha->dpc_flags)) {
L
Linus Torvalds 已提交
6033

6034 6035
			ql_dbg(ql_dbg_dpc, base_vha, 0x4007,
			    "ISP abort scheduled.\n");
L
Linus Torvalds 已提交
6036
			if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
6037
			    &base_vha->dpc_flags))) {
L
Linus Torvalds 已提交
6038

6039
				if (ha->isp_ops->abort_isp(base_vha)) {
L
Linus Torvalds 已提交
6040 6041
					/* failed. retry later */
					set_bit(ISP_ABORT_NEEDED,
6042
					    &base_vha->dpc_flags);
6043
				}
6044 6045
				clear_bit(ABORT_ISP_ACTIVE,
						&base_vha->dpc_flags);
6046 6047
			}

6048 6049
			ql_dbg(ql_dbg_dpc, base_vha, 0x4008,
			    "ISP abort end.\n");
L
Linus Torvalds 已提交
6050 6051
		}

6052 6053
		if (test_and_clear_bit(FCPORT_UPDATE_NEEDED,
		    &base_vha->dpc_flags)) {
6054
			qla2x00_update_fcports(base_vha);
6055
		}
6056

6057 6058 6059
		if (IS_QLAFX00(ha))
			goto loop_resync_check;

6060
		if (test_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags)) {
6061 6062
			ql_dbg(ql_dbg_dpc, base_vha, 0x4009,
			    "Quiescence mode scheduled.\n");
6063 6064 6065 6066 6067
			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);
6068 6069 6070 6071
				clear_bit(ISP_QUIESCE_NEEDED,
				    &base_vha->dpc_flags);
				if (!ha->flags.quiesce_owner) {
					qla2x00_perform_loop_resync(base_vha);
6072 6073 6074 6075 6076 6077 6078 6079 6080 6081 6082
					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);
					}
6083 6084 6085 6086 6087
				}
			} else {
				clear_bit(ISP_QUIESCE_NEEDED,
				    &base_vha->dpc_flags);
				qla2x00_quiesce_io(base_vha);
6088
			}
6089 6090
			ql_dbg(ql_dbg_dpc, base_vha, 0x400a,
			    "Quiescence mode end.\n");
6091 6092
		}

6093
		if (test_and_clear_bit(RESET_MARKER_NEEDED,
6094
				&base_vha->dpc_flags) &&
6095
		    (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
L
Linus Torvalds 已提交
6096

6097 6098
			ql_dbg(ql_dbg_dpc, base_vha, 0x400b,
			    "Reset marker scheduled.\n");
6099 6100
			qla2x00_rst_aen(base_vha);
			clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
6101 6102
			ql_dbg(ql_dbg_dpc, base_vha, 0x400c,
			    "Reset marker end.\n");
L
Linus Torvalds 已提交
6103 6104 6105
		}

		/* Retry each device up to login retry count */
6106
		if (test_bit(RELOGIN_NEEDED, &base_vha->dpc_flags) &&
6107 6108
		    !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
		    atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
L
Linus Torvalds 已提交
6109

6110 6111 6112 6113 6114
			if (!base_vha->relogin_jif ||
			    time_after_eq(jiffies, base_vha->relogin_jif)) {
				base_vha->relogin_jif = jiffies + HZ;
				clear_bit(RELOGIN_NEEDED, &base_vha->dpc_flags);

6115
				ql_dbg(ql_dbg_disc, base_vha, 0x400d,
6116
				    "Relogin scheduled.\n");
6117
				qla24xx_post_relogin_work(base_vha);
6118
			}
L
Linus Torvalds 已提交
6119
		}
6120
loop_resync_check:
6121
		if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
6122
		    &base_vha->dpc_flags)) {
L
Linus Torvalds 已提交
6123

6124 6125
			ql_dbg(ql_dbg_dpc, base_vha, 0x400f,
			    "Loop resync scheduled.\n");
L
Linus Torvalds 已提交
6126 6127

			if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
6128
			    &base_vha->dpc_flags))) {
L
Linus Torvalds 已提交
6129

6130
				qla2x00_loop_resync(base_vha);
L
Linus Torvalds 已提交
6131

6132 6133
				clear_bit(LOOP_RESYNC_ACTIVE,
						&base_vha->dpc_flags);
L
Linus Torvalds 已提交
6134 6135
			}

6136 6137
			ql_dbg(ql_dbg_dpc, base_vha, 0x4010,
			    "Loop resync end.\n");
L
Linus Torvalds 已提交
6138 6139
		}

6140 6141 6142
		if (IS_QLAFX00(ha))
			goto intr_on_check;

6143 6144 6145 6146
		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);
6147 6148
		}

6149
intr_on_check:
L
Linus Torvalds 已提交
6150
		if (!ha->interrupts_on)
6151
			ha->isp_ops->enable_intrs(ha);
L
Linus Torvalds 已提交
6152

6153
		if (test_and_clear_bit(BEACON_BLINK_NEEDED,
6154 6155 6156 6157
					&base_vha->dpc_flags)) {
			if (ha->beacon_blink_led == 1)
				ha->isp_ops->beacon_blink(base_vha);
		}
6158

6159 6160 6161 6162 6163 6164 6165 6166 6167 6168 6169 6170 6171 6172 6173 6174
		/* 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);
		}

6175 6176 6177 6178 6179 6180 6181 6182 6183 6184 6185
		if (test_and_clear_bit(SET_ZIO_THRESHOLD_NEEDED, &base_vha->dpc_flags)) {
			ql_log(ql_log_info, base_vha, 0xffffff,
				"nvme: SET ZIO Activity exchange threshold to %d.\n",
						ha->nvme_last_rptd_aen);
			if (qla27xx_set_zio_threshold(base_vha, ha->nvme_last_rptd_aen)) {
				ql_log(ql_log_info, base_vha, 0xffffff,
					"nvme: Unable to SET ZIO Activity exchange threshold to %d.\n",
						ha->nvme_last_rptd_aen);
			}
		}

6186 6187
		if (!IS_QLAFX00(ha))
			qla2x00_do_dpc_all_vps(base_vha);
6188

L
Linus Torvalds 已提交
6189
		ha->dpc_active = 0;
6190
end_loop:
6191
		set_current_state(TASK_INTERRUPTIBLE);
L
Linus Torvalds 已提交
6192
	} /* End of while(1) */
6193
	__set_current_state(TASK_RUNNING);
L
Linus Torvalds 已提交
6194

6195 6196
	ql_dbg(ql_dbg_dpc, base_vha, 0x4011,
	    "DPC handler exiting.\n");
L
Linus Torvalds 已提交
6197 6198 6199 6200 6201 6202

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

6203 6204 6205
	/* Cleanup any residual CTX SRBs. */
	qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);

6206 6207 6208 6209
	return 0;
}

void
6210
qla2xxx_wake_dpc(struct scsi_qla_host *vha)
6211
{
6212
	struct qla_hw_data *ha = vha->hw;
6213 6214
	struct task_struct *t = ha->dpc_thread;

6215
	if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
6216
		wake_up_process(t);
L
Linus Torvalds 已提交
6217 6218 6219 6220 6221 6222 6223 6224 6225 6226
}

/*
*  qla2x00_rst_aen
*      Processes asynchronous reset.
*
* Input:
*      ha  = adapter block pointer.
*/
static void
6227
qla2x00_rst_aen(scsi_qla_host_t *vha)
L
Linus Torvalds 已提交
6228
{
6229 6230 6231
	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
6232
		do {
6233
			clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
L
Linus Torvalds 已提交
6234 6235 6236 6237 6238

			/*
			 * Issue marker command only when we are going to start
			 * the I/O.
			 */
6239 6240 6241
			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
6242 6243 6244 6245 6246 6247 6248 6249 6250 6251 6252
	}
}

/**************************************************************************
*   qla2x00_timer
*
* Description:
*   One second timer
*
* Context: Interrupt
***************************************************************************/
6253
void
6254
qla2x00_timer(struct timer_list *t)
L
Linus Torvalds 已提交
6255
{
6256
	scsi_qla_host_t *vha = from_timer(vha, t, timer);
L
Linus Torvalds 已提交
6257 6258 6259 6260
	unsigned long	cpu_flags = 0;
	int		start_dpc = 0;
	int		index;
	srb_t		*sp;
6261
	uint16_t        w;
6262
	struct qla_hw_data *ha = vha->hw;
6263
	struct req_que *req;
6264

6265
	if (ha->flags.eeh_busy) {
6266 6267 6268
		ql_dbg(ql_dbg_timer, vha, 0x6000,
		    "EEH = %d, restarting timer.\n",
		    ha->flags.eeh_busy);
6269 6270 6271 6272
		qla2x00_restart_timer(vha, WATCH_INTERVAL);
		return;
	}

6273 6274 6275 6276 6277
	/*
	 * 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)) {
6278
		pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
6279
		qla2x00_check_reg16_for_disconnect(vha, w);
6280
	}
L
Linus Torvalds 已提交
6281

6282
	/* Make sure qla82xx_watchdog is run only for physical port */
6283
	if (!vha->vp_idx && IS_P3P_TYPE(ha)) {
6284 6285
		if (test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags))
			start_dpc++;
6286 6287 6288 6289
		if (IS_QLA82XX(ha))
			qla82xx_watchdog(vha);
		else if (IS_QLA8044(ha))
			qla8044_watchdog(vha);
6290 6291
	}

6292 6293 6294
	if (!vha->vp_idx && IS_QLAFX00(ha))
		qlafx00_timer_routine(vha);

L
Linus Torvalds 已提交
6295
	/* Loop down handler. */
6296
	if (atomic_read(&vha->loop_down_timer) > 0 &&
6297 6298
	    !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) &&
	    !(test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags))
6299
		&& vha->flags.online) {
L
Linus Torvalds 已提交
6300

6301 6302
		if (atomic_read(&vha->loop_down_timer) ==
		    vha->loop_down_abort_time) {
L
Linus Torvalds 已提交
6303

6304 6305
			ql_log(ql_log_info, vha, 0x6008,
			    "Loop down - aborting the queues before time expires.\n");
L
Linus Torvalds 已提交
6306

6307 6308
			if (!IS_QLA2100(ha) && vha->link_down_timeout)
				atomic_set(&vha->loop_state, LOOP_DEAD);
L
Linus Torvalds 已提交
6309

6310 6311 6312 6313
			/*
			 * Schedule an ISP abort to return any FCP2-device
			 * commands.
			 */
6314
			/* NPIV - scan physical port only */
6315
			if (!vha->vp_idx) {
6316 6317
				spin_lock_irqsave(&ha->hardware_lock,
				    cpu_flags);
6318
				req = ha->req_q_map[0];
6319
				for (index = 1;
6320
				    index < req->num_outstanding_cmds;
6321 6322 6323
				    index++) {
					fc_port_t *sfcp;

6324
					sp = req->outstanding_cmds[index];
6325 6326
					if (!sp)
						continue;
6327 6328
					if (sp->cmd_type != TYPE_SRB)
						continue;
6329
					if (sp->type != SRB_SCSI_CMD)
6330
						continue;
6331
					sfcp = sp->fcport;
6332
					if (!(sfcp->flags & FCF_FCP2_DEVICE))
6333
						continue;
6334

6335 6336 6337 6338 6339
					if (IS_QLA82XX(ha))
						set_bit(FCOE_CTX_RESET_NEEDED,
							&vha->dpc_flags);
					else
						set_bit(ISP_ABORT_NEEDED,
6340
							&vha->dpc_flags);
6341 6342 6343
					break;
				}
				spin_unlock_irqrestore(&ha->hardware_lock,
6344
								cpu_flags);
L
Linus Torvalds 已提交
6345 6346 6347 6348 6349
			}
			start_dpc++;
		}

		/* if the loop has been down for 4 minutes, reinit adapter */
6350
		if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
6351
			if (!(vha->device_flags & DFLG_NO_CABLE)) {
6352
				ql_log(ql_log_warn, vha, 0x6009,
L
Linus Torvalds 已提交
6353 6354
				    "Loop down - aborting ISP.\n");

6355 6356 6357 6358 6359 6360
				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
6361 6362
			}
		}
6363 6364 6365
		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
6366
	}
6367 6368
	/* Check if beacon LED needs to be blinked for physical host only */
	if (!vha->vp_idx && (ha->beacon_blink_led == 1)) {
6369
		/* There is no beacon_blink function for ISP82xx */
6370
		if (!IS_P3P_TYPE(ha)) {
6371 6372 6373
			set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
			start_dpc++;
		}
6374 6375
	}

6376
	/* Process any deferred work. */
6377 6378 6379 6380 6381 6382 6383 6384 6385 6386 6387
	if (!list_empty(&vha->work_list)) {
		unsigned long flags;
		bool q = false;

		spin_lock_irqsave(&vha->work_lock, flags);
		if (!test_and_set_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags))
			q = true;
		spin_unlock_irqrestore(&vha->work_lock, flags);
		if (q)
			queue_work(vha->hw->wq, &vha->iocb_work);
	}
6388

6389 6390 6391 6392
	/*
	 * FC-NVME
	 * see if the active AEN count has changed from what was last reported.
	 */
6393 6394 6395
	if (!vha->vp_idx &&
		atomic_read(&ha->nvme_active_aen_cnt) != ha->nvme_last_rptd_aen &&
		ha->zio_mode == QLA_ZIO_MODE_6) {
6396
		ql_log(ql_log_info, vha, 0x3002,
6397 6398 6399 6400 6401
			"nvme: Sched: Set ZIO exchange threshold to %d.\n",
			ha->nvme_last_rptd_aen);
		ha->nvme_last_rptd_aen = atomic_read(&ha->nvme_active_aen_cnt);
		set_bit(SET_ZIO_THRESHOLD_NEEDED, &vha->dpc_flags);
		start_dpc++;
6402 6403
	}

L
Linus Torvalds 已提交
6404
	/* Schedule the DPC routine if needed */
6405 6406 6407
	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
6408
	    start_dpc ||
6409 6410
	    test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
	    test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
6411 6412
	    test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) ||
	    test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
6413
	    test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
6414
	    test_bit(RELOGIN_NEEDED, &vha->dpc_flags))) {
6415 6416 6417 6418 6419 6420 6421 6422 6423 6424 6425 6426
		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 "
6427
		    "relogin_needed=%d.\n",
6428 6429 6430 6431
		    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),
6432
		    test_bit(RELOGIN_NEEDED, &vha->dpc_flags));
6433
		qla2xxx_wake_dpc(vha);
6434
	}
L
Linus Torvalds 已提交
6435

6436
	qla2x00_restart_timer(vha, WATCH_INTERVAL);
L
Linus Torvalds 已提交
6437 6438
}

6439 6440
/* Firmware interface routines. */

6441
#define FW_BLOBS	11
6442 6443 6444 6445
#define FW_ISP21XX	0
#define FW_ISP22XX	1
#define FW_ISP2300	2
#define FW_ISP2322	3
6446
#define FW_ISP24XX	4
6447
#define FW_ISP25XX	5
6448
#define FW_ISP81XX	6
6449
#define FW_ISP82XX	7
6450 6451
#define FW_ISP2031	8
#define FW_ISP8031	9
6452
#define FW_ISP27XX	10
6453

6454 6455 6456 6457 6458
#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"
6459
#define FW_FILE_ISP25XX	"ql2500_fw.bin"
6460
#define FW_FILE_ISP81XX	"ql8100_fw.bin"
6461
#define FW_FILE_ISP82XX	"ql8200_fw.bin"
6462 6463
#define FW_FILE_ISP2031	"ql2600_fw.bin"
#define FW_FILE_ISP8031	"ql8300_fw.bin"
6464
#define FW_FILE_ISP27XX	"ql2700_fw.bin"
6465

6466

6467
static DEFINE_MUTEX(qla_fw_lock);
6468 6469

static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
6470 6471 6472 6473 6474
	{ .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, },
6475
	{ .name = FW_FILE_ISP25XX, },
6476
	{ .name = FW_FILE_ISP81XX, },
6477
	{ .name = FW_FILE_ISP82XX, },
6478 6479
	{ .name = FW_FILE_ISP2031, },
	{ .name = FW_FILE_ISP8031, },
6480
	{ .name = FW_FILE_ISP27XX, },
6481 6482 6483
};

struct fw_blob *
6484
qla2x00_request_firmware(scsi_qla_host_t *vha)
6485
{
6486
	struct qla_hw_data *ha = vha->hw;
6487 6488 6489 6490 6491 6492
	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];
6493
	} else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
6494
		blob = &qla_fw_blobs[FW_ISP2300];
6495
	} else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
6496
		blob = &qla_fw_blobs[FW_ISP2322];
6497
	} else if (IS_QLA24XX_TYPE(ha)) {
6498
		blob = &qla_fw_blobs[FW_ISP24XX];
6499 6500
	} else if (IS_QLA25XX(ha)) {
		blob = &qla_fw_blobs[FW_ISP25XX];
6501 6502
	} else if (IS_QLA81XX(ha)) {
		blob = &qla_fw_blobs[FW_ISP81XX];
6503 6504
	} else if (IS_QLA82XX(ha)) {
		blob = &qla_fw_blobs[FW_ISP82XX];
6505 6506 6507 6508
	} else if (IS_QLA2031(ha)) {
		blob = &qla_fw_blobs[FW_ISP2031];
	} else if (IS_QLA8031(ha)) {
		blob = &qla_fw_blobs[FW_ISP8031];
6509 6510
	} else if (IS_QLA27XX(ha)) {
		blob = &qla_fw_blobs[FW_ISP27XX];
6511 6512
	} else {
		return NULL;
6513 6514
	}

6515
	mutex_lock(&qla_fw_lock);
6516 6517 6518 6519
	if (blob->fw)
		goto out;

	if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
6520 6521
		ql_log(ql_log_warn, vha, 0x0063,
		    "Failed to load firmware image (%s).\n", blob->name);
6522 6523 6524 6525 6526 6527
		blob->fw = NULL;
		blob = NULL;
		goto out;
	}

out:
6528
	mutex_unlock(&qla_fw_lock);
6529 6530 6531 6532 6533 6534 6535 6536
	return blob;
}

static void
qla2x00_release_firmware(void)
{
	int idx;

6537
	mutex_lock(&qla_fw_lock);
6538
	for (idx = 0; idx < FW_BLOBS; idx++)
6539
		release_firmware(qla_fw_blobs[idx].fw);
6540
	mutex_unlock(&qla_fw_lock);
6541 6542
}

6543 6544 6545
static pci_ers_result_t
qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
{
6546 6547 6548
	scsi_qla_host_t *vha = pci_get_drvdata(pdev);
	struct qla_hw_data *ha = vha->hw;

6549 6550
	ql_dbg(ql_dbg_aer, vha, 0x9000,
	    "PCI error detected, state %x.\n", state);
6551

6552 6553 6554 6555 6556 6557
	if (!atomic_read(&pdev->enable_cnt)) {
		ql_log(ql_log_info, vha, 0xffff,
			"PCI device is disabled,state %x\n", state);
		return PCI_ERS_RESULT_NEED_RESET;
	}

6558 6559
	switch (state) {
	case pci_channel_io_normal:
6560
		ha->flags.eeh_busy = 0;
6561
		if (ql2xmqsupport || ql2xnvmeenable) {
6562 6563 6564
			set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
			qla2xxx_wake_dpc(vha);
		}
6565 6566
		return PCI_ERS_RESULT_CAN_RECOVER;
	case pci_channel_io_frozen:
6567
		ha->flags.eeh_busy = 1;
6568 6569
		/* For ISP82XX complete any pending mailbox cmd */
		if (IS_QLA82XX(ha)) {
6570
			ha->flags.isp82xx_fw_hung = 1;
6571 6572
			ql_dbg(ql_dbg_aer, vha, 0x9001, "Pci channel io frozen\n");
			qla82xx_clear_pending_mbx(vha);
6573
		}
6574
		qla2x00_free_irqs(vha);
6575
		pci_disable_device(pdev);
6576 6577
		/* Return back all IOs */
		qla2x00_abort_all_cmds(vha, DID_RESET << 16);
6578
		if (ql2xmqsupport || ql2xnvmeenable) {
6579 6580 6581
			set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
			qla2xxx_wake_dpc(vha);
		}
6582 6583
		return PCI_ERS_RESULT_NEED_RESET;
	case pci_channel_io_perm_failure:
6584 6585
		ha->flags.pci_channel_io_perm_failure = 1;
		qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
6586
		if (ql2xmqsupport || ql2xnvmeenable) {
6587 6588 6589
			set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
			qla2xxx_wake_dpc(vha);
		}
6590 6591 6592 6593 6594 6595 6596 6597 6598 6599 6600
		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;
6601 6602
	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
	struct qla_hw_data *ha = base_vha->hw;
6603 6604 6605
	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
	struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;

6606 6607 6608
	if (IS_QLA82XX(ha))
		return PCI_ERS_RESULT_RECOVERED;

6609 6610 6611 6612 6613 6614 6615 6616 6617 6618 6619 6620 6621 6622 6623 6624 6625
	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) {
6626 6627
		ql_log(ql_log_info, base_vha, 0x9003,
		    "RISC paused -- mmio_enabled, Dumping firmware.\n");
6628
		ha->isp_ops->fw_dump(base_vha, 0);
6629 6630 6631 6632 6633 6634

		return PCI_ERS_RESULT_NEED_RESET;
	} else
		return PCI_ERS_RESULT_RECOVERED;
}

6635 6636
static uint32_t
qla82xx_error_recovery(scsi_qla_host_t *base_vha)
6637 6638 6639 6640 6641 6642 6643
{
	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;

6644 6645
	ql_dbg(ql_dbg_aer, base_vha, 0x9006,
	    "Entered %s.\n", __func__);
6646 6647 6648 6649 6650 6651 6652 6653 6654 6655 6656 6657 6658

	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--;
6659 6660
		ql_dbg(ql_dbg_aer, base_vha, 0x9007,
		    "Finding pci device at function = 0x%x.\n", fn);
6661 6662 6663 6664 6665 6666 6667 6668
		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)) {
6669 6670 6671
			ql_dbg(ql_dbg_aer, base_vha, 0x9008,
			    "Found PCI func available and enable at 0x%x.\n",
			    fn);
6672 6673 6674 6675 6676 6677 6678 6679
			pci_dev_put(other_pdev);
			break;
		}
		pci_dev_put(other_pdev);
	}

	if (!fn) {
		/* Reset owner */
6680 6681 6682
		ql_dbg(ql_dbg_aer, base_vha, 0x9009,
		    "This devfn is reset owner = 0x%x.\n",
		    ha->pdev->devfn);
6683 6684 6685
		qla82xx_idc_lock(ha);

		qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
6686
		    QLA8XXX_DEV_INITIALIZING);
6687 6688 6689 6690 6691

		qla82xx_wr_32(ha, QLA82XX_CRB_DRV_IDC_VERSION,
		    QLA82XX_IDC_VERSION);

		drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
6692 6693
		ql_dbg(ql_dbg_aer, base_vha, 0x900a,
		    "drv_active = 0x%x.\n", drv_active);
6694 6695 6696 6697 6698 6699 6700 6701 6702 6703 6704 6705

		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) {
6706 6707
			ql_log(ql_log_info, base_vha, 0x900b,
			    "HW State: FAILED.\n");
6708 6709
			qla82xx_clear_drv_active(ha);
			qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
6710
			    QLA8XXX_DEV_FAILED);
6711
		} else {
6712 6713
			ql_log(ql_log_info, base_vha, 0x900c,
			    "HW State: READY.\n");
6714
			qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
6715
			    QLA8XXX_DEV_READY);
6716
			qla82xx_idc_unlock(ha);
6717
			ha->flags.isp82xx_fw_hung = 0;
6718 6719 6720 6721 6722 6723 6724 6725
			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 {
6726 6727 6728
		ql_dbg(ql_dbg_aer, base_vha, 0x900d,
		    "This devfn is not reset owner = 0x%x.\n",
		    ha->pdev->devfn);
6729
		if ((qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE) ==
6730
		    QLA8XXX_DEV_READY)) {
6731
			ha->flags.isp82xx_fw_hung = 0;
6732 6733 6734 6735 6736 6737 6738 6739 6740 6741 6742
			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;
}

6743 6744 6745 6746
static pci_ers_result_t
qla2xxx_pci_slot_reset(struct pci_dev *pdev)
{
	pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
6747 6748
	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
	struct qla_hw_data *ha = base_vha->hw;
6749 6750
	struct rsp_que *rsp;
	int rc, retries = 10;
6751

6752 6753
	ql_dbg(ql_dbg_aer, base_vha, 0x9004,
	    "Slot Reset.\n");
6754

6755 6756 6757 6758 6759 6760 6761 6762
	/* 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);

6763 6764 6765 6766 6767
	/* pci_restore_state() clears the saved_state flag of the device
	 * save restored state which resets saved_state flag
	 */
	pci_save_state(pdev);

6768 6769 6770 6771
	if (ha->mem_only)
		rc = pci_enable_device_mem(pdev);
	else
		rc = pci_enable_device(pdev);
6772

6773
	if (rc) {
6774
		ql_log(ql_log_warn, base_vha, 0x9005,
6775
		    "Can't re-enable PCI device after reset.\n");
6776
		goto exit_slot_reset;
6777 6778
	}

6779 6780
	rsp = ha->rsp_q_map[0];
	if (qla2x00_request_irqs(ha, rsp))
6781
		goto exit_slot_reset;
6782

6783
	if (ha->isp_ops->pci_config(base_vha))
6784 6785 6786 6787 6788 6789 6790 6791 6792
		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;
	}
6793

6794 6795
	while (ha->flags.mbox_busy && retries--)
		msleep(1000);
6796

6797
	set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
6798
	if (ha->isp_ops->abort_isp(base_vha) == QLA_SUCCESS)
6799
		ret =  PCI_ERS_RESULT_RECOVERED;
6800
	clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
6801

6802

6803
exit_slot_reset:
6804 6805
	ql_dbg(ql_dbg_aer, base_vha, 0x900e,
	    "slot_reset return %x.\n", ret);
6806

6807 6808 6809 6810 6811 6812
	return ret;
}

static void
qla2xxx_pci_resume(struct pci_dev *pdev)
{
6813 6814
	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
	struct qla_hw_data *ha = base_vha->hw;
6815 6816
	int ret;

6817 6818
	ql_dbg(ql_dbg_aer, base_vha, 0x900f,
	    "pci_resume.\n");
6819

6820
	ret = qla2x00_wait_for_hba_online(base_vha);
6821
	if (ret != QLA_SUCCESS) {
6822 6823
		ql_log(ql_log_fatal, base_vha, 0x9002,
		    "The device failed to resume I/O from slot/link_reset.\n");
6824
	}
6825

6826 6827
	pci_cleanup_aer_uncorrect_error_status(pdev);

6828
	ha->flags.eeh_busy = 0;
6829 6830
}

6831 6832
static int qla2xxx_map_queues(struct Scsi_Host *shost)
{
6833
	int rc;
6834 6835
	scsi_qla_host_t *vha = (scsi_qla_host_t *)shost->hostdata;

6836 6837 6838
	if (USER_CTRL_IRQ(vha->hw))
		rc = blk_mq_map_queues(&shost->tag_set);
	else
6839
		rc = blk_mq_pci_map_queues(&shost->tag_set, vha->hw->pdev, 0);
6840
	return rc;
6841 6842
}

6843
static const struct pci_error_handlers qla2xxx_err_handler = {
6844 6845 6846 6847 6848 6849
	.error_detected = qla2xxx_pci_error_detected,
	.mmio_enabled = qla2xxx_pci_mmio_enabled,
	.slot_reset = qla2xxx_pci_slot_reset,
	.resume = qla2xxx_pci_resume,
};

6850
static struct pci_device_id qla2xxx_pci_tbl[] = {
6851 6852 6853 6854 6855 6856 6857 6858 6859
	{ 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) },
6860
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
6861 6862
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
6863
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
6864
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2031) },
6865
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
6866
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) },
6867
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8031) },
6868
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISPF001) },
6869
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8044) },
6870
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2071) },
6871
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2271) },
6872
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2261) },
6873 6874 6875 6876
	{ 0 },
};
MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);

6877
static struct pci_driver qla2xxx_pci_driver = {
6878
	.name		= QLA2XXX_DRIVER_NAME,
6879 6880 6881
	.driver		= {
		.owner		= THIS_MODULE,
	},
6882
	.id_table	= qla2xxx_pci_tbl,
6883
	.probe		= qla2x00_probe_one,
A
Adrian Bunk 已提交
6884
	.remove		= qla2x00_remove_one,
6885
	.shutdown	= qla2x00_shutdown,
6886
	.err_handler	= &qla2xxx_err_handler,
6887 6888
};

6889
static const struct file_operations apidev_fops = {
6890
	.owner = THIS_MODULE,
6891
	.llseek = noop_llseek,
6892 6893
};

L
Linus Torvalds 已提交
6894 6895 6896 6897 6898 6899
/**
 * qla2x00_module_init - Module initialization.
 **/
static int __init
qla2x00_module_init(void)
{
6900 6901
	int ret = 0;

L
Linus Torvalds 已提交
6902
	/* Allocate cache for SRBs. */
6903
	srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
6904
	    SLAB_HWCACHE_ALIGN, NULL);
L
Linus Torvalds 已提交
6905
	if (srb_cachep == NULL) {
6906 6907
		ql_log(ql_log_fatal, NULL, 0x0001,
		    "Unable to allocate SRB cache...Failing load!.\n");
L
Linus Torvalds 已提交
6908 6909 6910
		return -ENOMEM;
	}

6911 6912 6913 6914 6915 6916 6917 6918 6919 6920 6921 6922 6923 6924 6925
	/* 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
6926 6927
	/* Derive version string. */
	strcpy(qla2x00_version_str, QLA2XXX_VERSION);
6928
	if (ql2xextended_error_logging)
6929
		strcat(qla2x00_version_str, "-debug");
6930 6931
	if (ql2xextended_error_logging == 1)
		ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
6932

6933 6934
	qla2xxx_transport_template =
	    fc_attach_transport(&qla2xxx_transport_functions);
6935 6936
	if (!qla2xxx_transport_template) {
		kmem_cache_destroy(srb_cachep);
6937 6938
		ql_log(ql_log_fatal, NULL, 0x0002,
		    "fc_attach_transport failed...Failing load!.\n");
6939
		qlt_exit();
L
Linus Torvalds 已提交
6940
		return -ENODEV;
6941
	}
6942 6943 6944

	apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops);
	if (apidev_major < 0) {
6945 6946
		ql_log(ql_log_fatal, NULL, 0x0003,
		    "Unable to register char device %s.\n", QLA2XXX_APIDEV);
6947 6948
	}

6949 6950 6951 6952
	qla2xxx_transport_vport_template =
	    fc_attach_transport(&qla2xxx_transport_vport_functions);
	if (!qla2xxx_transport_vport_template) {
		kmem_cache_destroy(srb_cachep);
6953
		qlt_exit();
6954
		fc_release_transport(qla2xxx_transport_template);
6955 6956
		ql_log(ql_log_fatal, NULL, 0x0004,
		    "fc_attach_transport vport failed...Failing load!.\n");
L
Linus Torvalds 已提交
6957
		return -ENODEV;
6958
	}
6959 6960
	ql_log(ql_log_info, NULL, 0x0005,
	    "QLogic Fibre Channel HBA Driver: %s.\n",
6961
	    qla2x00_version_str);
6962
	ret = pci_register_driver(&qla2xxx_pci_driver);
6963 6964
	if (ret) {
		kmem_cache_destroy(srb_cachep);
6965
		qlt_exit();
6966
		fc_release_transport(qla2xxx_transport_template);
6967
		fc_release_transport(qla2xxx_transport_vport_template);
6968 6969 6970
		ql_log(ql_log_fatal, NULL, 0x0006,
		    "pci_register_driver failed...ret=%d Failing load!.\n",
		    ret);
6971 6972
	}
	return ret;
L
Linus Torvalds 已提交
6973 6974 6975 6976 6977 6978 6979 6980
}

/**
 * qla2x00_module_exit - Module cleanup.
 **/
static void __exit
qla2x00_module_exit(void)
{
6981
	unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
6982
	pci_unregister_driver(&qla2xxx_pci_driver);
6983
	qla2x00_release_firmware();
6984
	kmem_cache_destroy(srb_cachep);
6985
	qlt_exit();
6986 6987
	if (ctx_cachep)
		kmem_cache_destroy(ctx_cachep);
L
Linus Torvalds 已提交
6988
	fc_release_transport(qla2xxx_transport_template);
6989
	fc_release_transport(qla2xxx_transport_vport_template);
L
Linus Torvalds 已提交
6990 6991 6992 6993 6994 6995 6996 6997 6998
}

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);
6999 7000 7001 7002 7003
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);
7004
MODULE_FIRMWARE(FW_FILE_ISP25XX);