qla_os.c 77.1 KB
Newer Older
L
Linus Torvalds 已提交
1
/*
A
Andrew Vasquez 已提交
2 3
 * QLogic Fibre Channel HBA Driver
 * Copyright (c)  2003-2005 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>
L
Linus Torvalds 已提交
13 14 15 16 17 18 19 20 21 22 23 24 25 26

#include <scsi/scsi_tcq.h>
#include <scsi/scsicam.h>
#include <scsi/scsi_transport.h>
#include <scsi/scsi_transport_fc.h>

/*
 * Driver version
 */
char qla2x00_version_str[40];

/*
 * SRB allocation cache
 */
27
static struct kmem_cache *srb_cachep;
L
Linus Torvalds 已提交
28 29 30 31

/*
 * Ioctl related information.
 */
32
int num_hosts;
L
Linus Torvalds 已提交
33 34 35 36 37
int ql2xlogintimeout = 20;
module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR);
MODULE_PARM_DESC(ql2xlogintimeout,
		"Login timeout value in seconds.");

38
int qlport_down_retry;
L
Linus Torvalds 已提交
39 40
module_param(qlport_down_retry, int, S_IRUGO|S_IRUSR);
MODULE_PARM_DESC(qlport_down_retry,
41
		"Maximum number of command retries to a port that returns "
L
Linus Torvalds 已提交
42 43 44 45 46 47
		"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 "
48
		"a Fabric scan.  This is needed for several broken switches. "
L
Linus Torvalds 已提交
49 50 51 52 53 54 55
		"Default is 0 - no PLOGI. 1 - perfom PLOGI.");

int ql2xloginretrycount = 0;
module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR);
MODULE_PARM_DESC(ql2xloginretrycount,
		"Specify an alternate value for the NVRAM login retry count.");

56 57 58 59 60 61 62
int ql2xallocfwdump = 1;
module_param(ql2xallocfwdump, int, S_IRUGO|S_IRUSR);
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.");

63
int ql2xextended_error_logging;
64
module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
65
MODULE_PARM_DESC(ql2xextended_error_logging,
66 67 68
		"Option to enable extended error logging, "
		"Default is 0 - no logging. 1 - log errors.");

L
Linus Torvalds 已提交
69 70 71 72
static void qla2x00_free_device(scsi_qla_host_t *);

static void qla2x00_config_dma_addressing(scsi_qla_host_t *ha);

73 74 75 76 77 78
int ql2xfdmienable;
module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR);
MODULE_PARM_DESC(ql2xfdmienable,
		"Enables FDMI registratons "
		"Default is 0 - no FDMI. 1 - perfom FDMI.");

79 80 81 82 83 84 85 86 87 88 89 90 91
#define MAX_Q_DEPTH    32
static int ql2xmaxqdepth = MAX_Q_DEPTH;
module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(ql2xmaxqdepth,
		"Maximum queue depth to report for target devices.");

int ql2xqfullrampup = 120;
module_param(ql2xqfullrampup, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(ql2xqfullrampup,
		"Number of seconds to wait to begin to ramp-up the queue "
		"depth for a device after a queue-full condition has been "
		"detected.  Default is 120 seconds.");

L
Linus Torvalds 已提交
92
/*
A
Andrew Vasquez 已提交
93
 * SCSI host template entry points
L
Linus Torvalds 已提交
94 95
 */
static int qla2xxx_slave_configure(struct scsi_device * device);
已提交
96
static int qla2xxx_slave_alloc(struct scsi_device *);
97 98
static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
static void qla2xxx_scan_start(struct Scsi_Host *);
已提交
99
static void qla2xxx_slave_destroy(struct scsi_device *);
L
Linus Torvalds 已提交
100 101
static int qla2x00_queuecommand(struct scsi_cmnd *cmd,
		void (*fn)(struct scsi_cmnd *));
102 103
static int qla24xx_queuecommand(struct scsi_cmnd *cmd,
		void (*fn)(struct scsi_cmnd *));
L
Linus Torvalds 已提交
104 105 106 107 108 109
static int qla2xxx_eh_abort(struct scsi_cmnd *);
static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
static int qla2x00_device_reset(scsi_qla_host_t *, fc_port_t *);

110 111 112
static int qla2x00_change_queue_depth(struct scsi_device *, int);
static int qla2x00_change_queue_type(struct scsi_device *, int);

A
Adrian Bunk 已提交
113
static struct scsi_host_template qla2x00_driver_template = {
L
Linus Torvalds 已提交
114
	.module			= THIS_MODULE,
115
	.name			= QLA2XXX_DRIVER_NAME,
L
Linus Torvalds 已提交
116 117 118 119 120 121 122 123 124
	.queuecommand		= qla2x00_queuecommand,

	.eh_abort_handler	= qla2xxx_eh_abort,
	.eh_device_reset_handler = qla2xxx_eh_device_reset,
	.eh_bus_reset_handler	= qla2xxx_eh_bus_reset,
	.eh_host_reset_handler	= qla2xxx_eh_host_reset,

	.slave_configure	= qla2xxx_slave_configure,

已提交
125 126
	.slave_alloc		= qla2xxx_slave_alloc,
	.slave_destroy		= qla2xxx_slave_destroy,
127 128
	.scan_finished		= qla2xxx_scan_finished,
	.scan_start		= qla2xxx_scan_start,
129 130
	.change_queue_depth	= qla2x00_change_queue_depth,
	.change_queue_type	= qla2x00_change_queue_type,
L
Linus Torvalds 已提交
131 132 133 134 135 136 137 138 139 140
	.this_id		= -1,
	.cmd_per_lun		= 3,
	.use_clustering		= ENABLE_CLUSTERING,
	.sg_tablesize		= SG_ALL,

	/*
	 * The RISC allows for each command to transfer (2^32-1) bytes of data,
	 * which equates to 0x800000 sectors.
	 */
	.max_sectors		= 0xFFFF,
141
	.shost_attrs		= qla2x00_host_attrs,
L
Linus Torvalds 已提交
142 143
};

144
struct scsi_host_template qla24xx_driver_template = {
145
	.module			= THIS_MODULE,
146
	.name			= QLA2XXX_DRIVER_NAME,
147 148 149 150 151 152 153 154 155 156 157
	.queuecommand		= qla24xx_queuecommand,

	.eh_abort_handler	= qla2xxx_eh_abort,
	.eh_device_reset_handler = qla2xxx_eh_device_reset,
	.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,
158 159
	.scan_finished		= qla2xxx_scan_finished,
	.scan_start		= qla2xxx_scan_start,
160 161
	.change_queue_depth	= qla2x00_change_queue_depth,
	.change_queue_type	= qla2x00_change_queue_type,
162 163 164 165 166 167
	.this_id		= -1,
	.cmd_per_lun		= 3,
	.use_clustering		= ENABLE_CLUSTERING,
	.sg_tablesize		= SG_ALL,

	.max_sectors		= 0xFFFF,
168
	.shost_attrs		= qla2x00_host_attrs,
169 170
};

L
Linus Torvalds 已提交
171
static struct scsi_transport_template *qla2xxx_transport_template = NULL;
172
struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
L
Linus Torvalds 已提交
173 174 175 176 177 178

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

179
__inline__ void
L
Linus Torvalds 已提交
180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195
qla2x00_start_timer(scsi_qla_host_t *ha, void *func, unsigned long interval)
{
	init_timer(&ha->timer);
	ha->timer.expires = jiffies + interval * HZ;
	ha->timer.data = (unsigned long)ha;
	ha->timer.function = (void (*)(unsigned long))func;
	add_timer(&ha->timer);
	ha->timer_active = 1;
}

static inline void
qla2x00_restart_timer(scsi_qla_host_t *ha, unsigned long interval)
{
	mod_timer(&ha->timer, jiffies + interval * HZ);
}

A
Adrian Bunk 已提交
196
static __inline__ void
L
Linus Torvalds 已提交
197 198 199 200 201 202 203 204 205 206
qla2x00_stop_timer(scsi_qla_host_t *ha)
{
	del_timer_sync(&ha->timer);
	ha->timer_active = 0;
}

static int qla2x00_do_dpc(void *data);

static void qla2x00_rst_aen(scsi_qla_host_t *);

A
Adrian Bunk 已提交
207 208
static uint8_t qla2x00_mem_alloc(scsi_qla_host_t *);
static void qla2x00_mem_free(scsi_qla_host_t *ha);
L
Linus Torvalds 已提交
209 210
static int qla2x00_allocate_sp_pool( scsi_qla_host_t *ha);
static void qla2x00_free_sp_pool(scsi_qla_host_t *ha);
已提交
211
static void qla2x00_sp_free_dma(scsi_qla_host_t *, srb_t *);
L
Linus Torvalds 已提交
212 213 214 215

/* -------------------------------------------------------------------------- */

static char *
216
qla2x00_pci_info_str(struct scsi_qla_host *ha, char *str)
L
Linus Torvalds 已提交
217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237
{
	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);
}

238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258
static char *
qla24xx_pci_info_str(struct scsi_qla_host *ha, char *str)
{
	static char *pci_bus_modes[] = { "33", "66", "100", "133", };
	uint32_t pci_bus;
	int pcie_reg;

	pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
	if (pcie_reg) {
		char lwstr[6];
		uint16_t pcie_lstat, lspeed, lwidth;

		pcie_reg += 0x12;
		pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
		lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
		lwidth = (pcie_lstat &
		    (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;

		strcpy(str, "PCIe (");
		if (lspeed == 1)
			strcat(str, "2.5Gb/s ");
259 260
		else if (lspeed == 2)
			strcat(str, "5.0Gb/s ");
261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287
		else
			strcat(str, "<unknown> ");
		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;
}

288
static char *
289
qla2x00_fw_version_str(struct scsi_qla_host *ha, char *str)
L
Linus Torvalds 已提交
290 291
{
	char un_str[10];
A
Andrew Vasquez 已提交
292

L
Linus Torvalds 已提交
293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325
	sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
	    ha->fw_minor_version,
	    ha->fw_subminor_version);

	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);
}

326
static char *
327 328
qla24xx_fw_version_str(struct scsi_qla_host *ha, char *str)
{
329 330 331 332
	sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
	    ha->fw_minor_version,
	    ha->fw_subminor_version);

333 334 335 336 337 338
	if (ha->fw_attributes & BIT_0)
		strcat(str, "[Class 2] ");
	if (ha->fw_attributes & BIT_1)
		strcat(str, "[IP] ");
	if (ha->fw_attributes & BIT_2)
		strcat(str, "[Multi-ID] ");
339 340 341 342 343 344
	if (ha->fw_attributes & BIT_3)
		strcat(str, "[SB-2] ");
	if (ha->fw_attributes & BIT_4)
		strcat(str, "[T10 CRC] ");
	if (ha->fw_attributes & BIT_5)
		strcat(str, "[VI] ");
345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369
	if (ha->fw_attributes & BIT_13)
		strcat(str, "[Experimental]");
	return str;
}

static inline srb_t *
qla2x00_get_new_sp(scsi_qla_host_t *ha, fc_port_t *fcport,
    struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
{
	srb_t *sp;

	sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
	if (!sp)
		return sp;

	sp->ha = ha;
	sp->fcport = fcport;
	sp->cmd = cmd;
	sp->flags = 0;
	CMD_SP(cmd) = (void *)sp;
	cmd->scsi_done = done;

	return sp;
}

L
Linus Torvalds 已提交
370
static int
已提交
371
qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
L
Linus Torvalds 已提交
372
{
A
Andrew Vasquez 已提交
373
	scsi_qla_host_t *ha = shost_priv(cmd->device->host);
374
	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
375
	struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
已提交
376 377
	srb_t *sp;
	int rval;
L
Linus Torvalds 已提交
378

379 380 381 382 383
	if (unlikely(pci_channel_offline(ha->pdev))) {
		cmd->result = DID_REQUEUE << 16;
		goto qc_fail_command;
	}

384 385 386
	rval = fc_remote_port_chkready(rport);
	if (rval) {
		cmd->result = rval;
已提交
387 388
		goto qc_fail_command;
	}
L
Linus Torvalds 已提交
389

390 391 392 393 394 395
	/* Close window on fcport/rport state-transitioning. */
	if (!*(fc_port_t **)rport->dd_data) {
		cmd->result = DID_IMM_RETRY << 16;
		goto qc_fail_command;
	}

已提交
396 397 398 399 400 401 402 403
	if (atomic_read(&fcport->state) != FCS_ONLINE) {
		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
		    atomic_read(&ha->loop_state) == LOOP_DEAD) {
			cmd->result = DID_NO_CONNECT << 16;
			goto qc_fail_command;
		}
		goto qc_host_busy;
	}
L
Linus Torvalds 已提交
404 405 406

	spin_unlock_irq(ha->host->host_lock);

407 408
	sp = qla2x00_get_new_sp(ha, fcport, cmd, done);
	if (!sp)
已提交
409
		goto qc_host_busy_lock;
L
Linus Torvalds 已提交
410

已提交
411 412 413
	rval = qla2x00_start_scsi(sp);
	if (rval != QLA_SUCCESS)
		goto qc_host_busy_free_sp;
L
Linus Torvalds 已提交
414

已提交
415
	spin_lock_irq(ha->host->host_lock);
L
Linus Torvalds 已提交
416

已提交
417
	return 0;
L
Linus Torvalds 已提交
418

已提交
419 420 421
qc_host_busy_free_sp:
	qla2x00_sp_free_dma(ha, sp);
	mempool_free(sp, ha->srb_mempool);
L
Linus Torvalds 已提交
422

已提交
423 424
qc_host_busy_lock:
	spin_lock_irq(ha->host->host_lock);
L
Linus Torvalds 已提交
425

已提交
426 427
qc_host_busy:
	return SCSI_MLQUEUE_HOST_BUSY;
L
Linus Torvalds 已提交
428

已提交
429 430
qc_fail_command:
	done(cmd);
L
Linus Torvalds 已提交
431

已提交
432
	return 0;
L
Linus Torvalds 已提交
433 434
}

435 436 437 438

static int
qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
{
A
Andrew Vasquez 已提交
439
	scsi_qla_host_t *ha = shost_priv(cmd->device->host);
440
	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
441
	struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
442 443
	srb_t *sp;
	int rval;
444
	scsi_qla_host_t *pha = to_qla_parent(ha);
445

446 447 448 449 450
	if (unlikely(pci_channel_offline(ha->pdev))) {
		cmd->result = DID_REQUEUE << 16;
		goto qc24_fail_command;
	}

451 452 453
	rval = fc_remote_port_chkready(rport);
	if (rval) {
		cmd->result = rval;
454 455 456
		goto qc24_fail_command;
	}

457 458 459 460 461 462
	/* Close window on fcport/rport state-transitioning. */
	if (!*(fc_port_t **)rport->dd_data) {
		cmd->result = DID_IMM_RETRY << 16;
		goto qc24_fail_command;
	}

463 464
	if (atomic_read(&fcport->state) != FCS_ONLINE) {
		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
465
		    atomic_read(&pha->loop_state) == LOOP_DEAD) {
466 467 468 469 470 471 472 473
			cmd->result = DID_NO_CONNECT << 16;
			goto qc24_fail_command;
		}
		goto qc24_host_busy;
	}

	spin_unlock_irq(ha->host->host_lock);

474
	sp = qla2x00_get_new_sp(pha, fcport, cmd, done);
475 476 477 478 479 480 481 482 483 484 485 486
	if (!sp)
		goto qc24_host_busy_lock;

	rval = qla24xx_start_scsi(sp);
	if (rval != QLA_SUCCESS)
		goto qc24_host_busy_free_sp;

	spin_lock_irq(ha->host->host_lock);

	return 0;

qc24_host_busy_free_sp:
487 488
	qla2x00_sp_free_dma(pha, sp);
	mempool_free(sp, pha->srb_mempool);
489 490 491 492 493 494 495 496 497 498 499 500 501 502

qc24_host_busy_lock:
	spin_lock_irq(ha->host->host_lock);

qc24_host_busy:
	return SCSI_MLQUEUE_HOST_BUSY;

qc24_fail_command:
	done(cmd);

	return 0;
}


L
Linus Torvalds 已提交
503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520
/*
 * qla2x00_eh_wait_on_command
 *    Waits for the command to be returned by the Firmware for some
 *    max time.
 *
 * Input:
 *    ha = actual ha whose done queue will contain the command
 *	      returned by firmware.
 *    cmd = Scsi Command to wait on.
 *    flag = Abort/Reset(Bus or Device Reset)
 *
 * Return:
 *    Not Found : 0
 *    Found : 1
 */
static int
qla2x00_eh_wait_on_command(scsi_qla_host_t *ha, struct scsi_cmnd *cmd)
{
521 522
#define ABORT_POLLING_PERIOD	1000
#define ABORT_WAIT_ITER		((10 * 1000) / (ABORT_POLLING_PERIOD))
已提交
523 524
	unsigned long wait_iter = ABORT_WAIT_ITER;
	int ret = QLA_SUCCESS;
L
Linus Torvalds 已提交
525

已提交
526
	while (CMD_SP(cmd)) {
527
		msleep(ABORT_POLLING_PERIOD);
L
Linus Torvalds 已提交
528

已提交
529 530 531 532 533
		if (--wait_iter)
			break;
	}
	if (CMD_SP(cmd))
		ret = QLA_FUNCTION_FAILED;
L
Linus Torvalds 已提交
534

已提交
535
	return ret;
L
Linus Torvalds 已提交
536 537 538 539
}

/*
 * qla2x00_wait_for_hba_online
A
Andrew Vasquez 已提交
540
 *    Wait till the HBA is online after going through
L
Linus Torvalds 已提交
541 542 543 544 545
 *    <= 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
546 547
 *
 * Note:
L
Linus Torvalds 已提交
548 549 550 551 552 553 554
 *    Does context switching-Release SPIN_LOCK
 *    (if any) before calling this routine.
 *
 * Return:
 *    Success (Adapter is online) : 0
 *    Failed  (Adapter is offline/disabled) : 1
 */
555
int
L
Linus Torvalds 已提交
556 557
qla2x00_wait_for_hba_online(scsi_qla_host_t *ha)
{
558 559
	int		return_status;
	unsigned long	wait_online;
560
	scsi_qla_host_t *pha = to_qla_parent(ha);
L
Linus Torvalds 已提交
561

A
Andrew Vasquez 已提交
562
	wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
563 564 565 566
	while (((test_bit(ISP_ABORT_NEEDED, &pha->dpc_flags)) ||
	    test_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags) ||
	    test_bit(ISP_ABORT_RETRY, &pha->dpc_flags) ||
	    pha->dpc_active) && time_before(jiffies, wait_online)) {
L
Linus Torvalds 已提交
567 568 569

		msleep(1000);
	}
570
	if (pha->flags.online)
A
Andrew Vasquez 已提交
571
		return_status = QLA_SUCCESS;
L
Linus Torvalds 已提交
572 573 574 575 576 577 578 579 580 581 582
	else
		return_status = QLA_FUNCTION_FAILED;

	DEBUG2(printk("%s return_status=%d\n",__func__,return_status));

	return (return_status);
}

/*
 * qla2x00_wait_for_loop_ready
 *    Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
A
Andrew Vasquez 已提交
583
 *    to be in LOOP_READY state.
L
Linus Torvalds 已提交
584 585
 * Input:
 *     ha - pointer to host adapter structure
A
Andrew Vasquez 已提交
586 587
 *
 * Note:
L
Linus Torvalds 已提交
588 589
 *    Does context switching-Release SPIN_LOCK
 *    (if any) before calling this routine.
A
Andrew Vasquez 已提交
590
 *
L
Linus Torvalds 已提交
591 592 593 594 595
 *
 * Return:
 *    Success (LOOP_READY) : 0
 *    Failed  (LOOP_NOT_READY) : 1
 */
A
Andrew Vasquez 已提交
596
static inline int
L
Linus Torvalds 已提交
597 598 599 600
qla2x00_wait_for_loop_ready(scsi_qla_host_t *ha)
{
	int 	 return_status = QLA_SUCCESS;
	unsigned long loop_timeout ;
601
	scsi_qla_host_t *pha = to_qla_parent(ha);
L
Linus Torvalds 已提交
602 603

	/* wait for 5 min at the max for loop to be ready */
A
Andrew Vasquez 已提交
604
	loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
L
Linus Torvalds 已提交
605

606 607 608 609
	while ((!atomic_read(&pha->loop_down_timer) &&
	    atomic_read(&pha->loop_state) == LOOP_DOWN) ||
	    atomic_read(&pha->loop_state) != LOOP_READY) {
		if (atomic_read(&pha->loop_state) == LOOP_DEAD) {
610 611 612
			return_status = QLA_FUNCTION_FAILED;
			break;
		}
L
Linus Torvalds 已提交
613 614 615 616 617 618
		msleep(1000);
		if (time_after_eq(jiffies, loop_timeout)) {
			return_status = QLA_FUNCTION_FAILED;
			break;
		}
	}
A
Andrew Vasquez 已提交
619
	return (return_status);
L
Linus Torvalds 已提交
620 621
}

622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638
static void
qla2x00_block_error_handler(struct scsi_cmnd *cmnd)
{
	struct Scsi_Host *shost = cmnd->device->host;
	struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device));
	unsigned long flags;

	spin_lock_irqsave(shost->host_lock, flags);
	while (rport->port_state == FC_PORTSTATE_BLOCKED) {
		spin_unlock_irqrestore(shost->host_lock, flags);
		msleep(1000);
		spin_lock_irqsave(shost->host_lock, flags);
	}
	spin_unlock_irqrestore(shost->host_lock, flags);
	return;
}

L
Linus Torvalds 已提交
639 640 641 642 643 644 645 646 647 648 649 650 651
/**************************************************************************
* 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:
652
*    Only return FAILED if command not returned by firmware.
L
Linus Torvalds 已提交
653
**************************************************************************/
654
static int
L
Linus Torvalds 已提交
655 656
qla2xxx_eh_abort(struct scsi_cmnd *cmd)
{
A
Andrew Vasquez 已提交
657
	scsi_qla_host_t *ha = shost_priv(cmd->device->host);
已提交
658 659 660 661
	srb_t *sp;
	int ret, i;
	unsigned int id, lun;
	unsigned long serial;
662
	unsigned long flags;
663
	int wait = 0;
664
	scsi_qla_host_t *pha = to_qla_parent(ha);
L
Linus Torvalds 已提交
665

666 667
	qla2x00_block_error_handler(cmd);

已提交
668
	if (!CMD_SP(cmd))
669
		return SUCCESS;
L
Linus Torvalds 已提交
670

671
	ret = SUCCESS;
L
Linus Torvalds 已提交
672

已提交
673 674 675
	id = cmd->device->id;
	lun = cmd->device->lun;
	serial = cmd->serial_number;
L
Linus Torvalds 已提交
676

已提交
677
	/* Check active list for command command. */
678
	spin_lock_irqsave(&pha->hardware_lock, flags);
已提交
679
	for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
680
		sp = pha->outstanding_cmds[i];
L
Linus Torvalds 已提交
681

已提交
682 683
		if (sp == NULL)
			continue;
L
Linus Torvalds 已提交
684

已提交
685 686
		if (sp->cmd != cmd)
			continue;
L
Linus Torvalds 已提交
687

688 689
		DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld.\n",
		    __func__, ha->host_no, sp, serial));
690
		DEBUG3(qla2x00_print_scsi_cmd(cmd));
L
Linus Torvalds 已提交
691

692
		spin_unlock_irqrestore(&pha->hardware_lock, flags);
693
		if (ha->isp_ops->abort_command(ha, sp)) {
已提交
694 695 696 697 698
			DEBUG2(printk("%s(%ld): abort_command "
			    "mbx failed.\n", __func__, ha->host_no));
		} else {
			DEBUG3(printk("%s(%ld): abort_command "
			    "mbx success.\n", __func__, ha->host_no));
699
			wait = 1;
已提交
700
		}
701
		spin_lock_irqsave(&pha->hardware_lock, flags);
L
Linus Torvalds 已提交
702

已提交
703 704
		break;
	}
705
	spin_unlock_irqrestore(&pha->hardware_lock, flags);
L
Linus Torvalds 已提交
706

已提交
707
	/* Wait for the command to be returned. */
708
	if (wait) {
已提交
709
		if (qla2x00_eh_wait_on_command(ha, cmd) != QLA_SUCCESS) {
A
Andrew Vasquez 已提交
710
			qla_printk(KERN_ERR, ha,
已提交
711 712
			    "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
			    "%x.\n", ha->host_no, id, lun, serial, ret);
713
			ret = FAILED;
已提交
714
		}
L
Linus Torvalds 已提交
715 716
	}

A
Andrew Vasquez 已提交
717
	qla_printk(KERN_INFO, ha,
718 719
	    "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
	    ha->host_no, id, lun, wait, serial, ret);
L
Linus Torvalds 已提交
720

已提交
721 722
	return ret;
}
L
Linus Torvalds 已提交
723

已提交
724 725 726 727 728 729 730 731
/**************************************************************************
* qla2x00_eh_wait_for_pending_target_commands
*
* Description:
*    Waits for all the commands to come back from the specified target.
*
* Input:
*    ha - pointer to scsi_qla_host structure.
A
Andrew Vasquez 已提交
732
*    t  - target
已提交
733 734 735 736 737 738 739 740 741 742 743 744
* Returns:
*    Either SUCCESS or FAILED.
*
* Note:
**************************************************************************/
static int
qla2x00_eh_wait_for_pending_target_commands(scsi_qla_host_t *ha, unsigned int t)
{
	int	cnt;
	int	status;
	srb_t		*sp;
	struct scsi_cmnd *cmd;
745
	unsigned long flags;
746
	scsi_qla_host_t *pha = to_qla_parent(ha);
L
Linus Torvalds 已提交
747

已提交
748
	status = 0;
L
Linus Torvalds 已提交
749 750

	/*
已提交
751 752
	 * Waiting for all commands for the designated target in the active
	 * array
L
Linus Torvalds 已提交
753 754
	 */
	for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
755 756
		spin_lock_irqsave(&pha->hardware_lock, flags);
		sp = pha->outstanding_cmds[cnt];
L
Linus Torvalds 已提交
757 758
		if (sp) {
			cmd = sp->cmd;
759 760 761
			spin_unlock_irqrestore(&pha->hardware_lock, flags);
			if (cmd->device->id == t &&
			    ha->vp_idx == sp->ha->vp_idx) {
L
Linus Torvalds 已提交
762 763 764 765 766
				if (!qla2x00_eh_wait_on_command(ha, cmd)) {
					status = 1;
					break;
				}
			}
已提交
767
		} else {
768
			spin_unlock_irqrestore(&pha->hardware_lock, flags);
L
Linus Torvalds 已提交
769 770 771 772 773 774 775 776 777 778 779 780 781 782
		}
	}
	return (status);
}


/**************************************************************************
* qla2xxx_eh_device_reset
*
* Description:
*    The device reset function will reset the target and abort any
*    executing commands.
*
*    NOTE: The use of SP is undefined within this context.  Do *NOT*
A
Andrew Vasquez 已提交
783
*          attempt to use this value, even if you determine it is
L
Linus Torvalds 已提交
784 785 786 787 788 789 790 791 792 793
*          non-null.
*
* Input:
*    cmd = Linux SCSI command packet of the command that cause the
*          bus device reset.
*
* Returns:
*    SUCCESS/FAILURE (defined as macro in scsi.h).
*
**************************************************************************/
794
static int
L
Linus Torvalds 已提交
795 796
qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
{
A
Andrew Vasquez 已提交
797
	scsi_qla_host_t *ha = shost_priv(cmd->device->host);
798
	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
799
	int ret = FAILED;
已提交
800 801
	unsigned int id, lun;
	unsigned long serial;
L
Linus Torvalds 已提交
802

803 804
	qla2x00_block_error_handler(cmd);

已提交
805 806 807
	id = cmd->device->id;
	lun = cmd->device->lun;
	serial = cmd->serial_number;
L
Linus Torvalds 已提交
808

809
	if (!fcport)
已提交
810
		return ret;
L
Linus Torvalds 已提交
811 812

	qla_printk(KERN_INFO, ha,
已提交
813
	    "scsi(%ld:%d:%d): DEVICE RESET ISSUED.\n", ha->host_no, id, lun);
L
Linus Torvalds 已提交
814

815
	if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
L
Linus Torvalds 已提交
816 817 818
		goto eh_dev_reset_done;

	if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
已提交
819 820
		if (qla2x00_device_reset(ha, fcport) == 0)
			ret = SUCCESS;
L
Linus Torvalds 已提交
821 822

#if defined(LOGOUT_AFTER_DEVICE_RESET)
已提交
823 824
		if (ret == SUCCESS) {
			if (fcport->flags & FC_FABRIC_DEVICE) {
825
				ha->isp_ops->fabric_logout(ha, fcport->loop_id);
826
				qla2x00_mark_device_lost(ha, fcport, 0, 0);
L
Linus Torvalds 已提交
827 828 829 830 831
			}
		}
#endif
	} else {
		DEBUG2(printk(KERN_INFO
832
		    "%s failed: loop not ready\n",__func__));
L
Linus Torvalds 已提交
833 834
	}

已提交
835
	if (ret == FAILED) {
L
Linus Torvalds 已提交
836 837 838 839 840 841 842 843
		DEBUG3(printk("%s(%ld): device reset failed\n",
		    __func__, ha->host_no));
		qla_printk(KERN_INFO, ha, "%s: device reset failed\n",
		    __func__);

		goto eh_dev_reset_done;
	}

844 845 846 847 848 849 850 851 852 853 854 855
	/* Flush outstanding commands. */
	if (qla2x00_eh_wait_for_pending_target_commands(ha, id))
		ret = FAILED;
	if (ret == FAILED) {
		DEBUG3(printk("%s(%ld): failed while waiting for commands\n",
		    __func__, ha->host_no));
		qla_printk(KERN_INFO, ha,
		    "%s: failed while waiting for commands\n", __func__);
	} else
		qla_printk(KERN_INFO, ha,
		    "scsi(%ld:%d:%d): DEVICE RESET SUCCEEDED.\n", ha->host_no,
		    id, lun);
856
 eh_dev_reset_done:
已提交
857
	return ret;
L
Linus Torvalds 已提交
858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881
}

/**************************************************************************
* qla2x00_eh_wait_for_pending_commands
*
* Description:
*    Waits for all the commands to come back from the specified host.
*
* Input:
*    ha - pointer to scsi_qla_host structure.
*
* Returns:
*    1 : SUCCESS
*    0 : FAILED
*
* Note:
**************************************************************************/
static int
qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha)
{
	int	cnt;
	int	status;
	srb_t		*sp;
	struct scsi_cmnd *cmd;
882
	unsigned long flags;
L
Linus Torvalds 已提交
883 884 885 886 887 888 889 890

	status = 1;

	/*
	 * Waiting for all commands for the designated target in the active
	 * array
	 */
	for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
891
		spin_lock_irqsave(&ha->hardware_lock, flags);
L
Linus Torvalds 已提交
892 893 894
		sp = ha->outstanding_cmds[cnt];
		if (sp) {
			cmd = sp->cmd;
895
			spin_unlock_irqrestore(&ha->hardware_lock, flags);
L
Linus Torvalds 已提交
896 897 898 899 900
			status = qla2x00_eh_wait_on_command(ha, cmd);
			if (status == 0)
				break;
		}
		else {
901
			spin_unlock_irqrestore(&ha->hardware_lock, flags);
L
Linus Torvalds 已提交
902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922
		}
	}
	return (status);
}


/**************************************************************************
* 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).
*
**************************************************************************/
923
static int
L
Linus Torvalds 已提交
924 925
qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
{
A
Andrew Vasquez 已提交
926
	scsi_qla_host_t *ha = shost_priv(cmd->device->host);
927
	scsi_qla_host_t *pha = to_qla_parent(ha);
928
	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
929
	int ret = FAILED;
已提交
930 931 932
	unsigned int id, lun;
	unsigned long serial;

933 934
	qla2x00_block_error_handler(cmd);

已提交
935 936 937
	id = cmd->device->id;
	lun = cmd->device->lun;
	serial = cmd->serial_number;
L
Linus Torvalds 已提交
938

939
	if (!fcport)
已提交
940
		return ret;
L
Linus Torvalds 已提交
941 942

	qla_printk(KERN_INFO, ha,
已提交
943
	    "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha->host_no, id, lun);
L
Linus Torvalds 已提交
944 945 946

	if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) {
		DEBUG2(printk("%s failed:board disabled\n",__func__));
已提交
947
		goto eh_bus_reset_done;
L
Linus Torvalds 已提交
948 949 950
	}

	if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
已提交
951 952
		if (qla2x00_loop_reset(ha) == QLA_SUCCESS)
			ret = SUCCESS;
L
Linus Torvalds 已提交
953
	}
已提交
954 955
	if (ret == FAILED)
		goto eh_bus_reset_done;
L
Linus Torvalds 已提交
956

957
	/* Flush outstanding commands. */
958
	if (!qla2x00_eh_wait_for_pending_commands(pha))
959
		ret = FAILED;
L
Linus Torvalds 已提交
960

已提交
961
eh_bus_reset_done:
L
Linus Torvalds 已提交
962
	qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
已提交
963
	    (ret == FAILED) ? "failed" : "succeded");
L
Linus Torvalds 已提交
964

已提交
965
	return ret;
L
Linus Torvalds 已提交
966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982
}

/**************************************************************************
* 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:
**************************************************************************/
983
static int
L
Linus Torvalds 已提交
984 985
qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
{
A
Andrew Vasquez 已提交
986
	scsi_qla_host_t *ha = shost_priv(cmd->device->host);
987
	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
988
	int ret = FAILED;
已提交
989 990
	unsigned int id, lun;
	unsigned long serial;
991
	scsi_qla_host_t *pha = to_qla_parent(ha);
L
Linus Torvalds 已提交
992

993 994
	qla2x00_block_error_handler(cmd);

已提交
995 996 997 998
	id = cmd->device->id;
	lun = cmd->device->lun;
	serial = cmd->serial_number;

999
	if (!fcport)
已提交
1000
		return ret;
L
Linus Torvalds 已提交
1001 1002

	qla_printk(KERN_INFO, ha,
已提交
1003
	    "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha->host_no, id, lun);
L
Linus Torvalds 已提交
1004 1005

	if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
已提交
1006
		goto eh_host_reset_lock;
L
Linus Torvalds 已提交
1007 1008 1009

	/*
	 * Fixme-may be dpc thread is active and processing
A
Andrew Vasquez 已提交
1010
	 * loop_resync,so wait a while for it to
L
Linus Torvalds 已提交
1011 1012 1013 1014 1015 1016
	 * be completed and then issue big hammer.Otherwise
	 * it may cause I/O failure as big hammer marks the
	 * devices as lost kicking of the port_down_timer
	 * while dpc is stuck for the mailbox to complete.
	 */
	qla2x00_wait_for_loop_ready(ha);
1017 1018 1019
	set_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
	if (qla2x00_abort_isp(pha)) {
		clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
L
Linus Torvalds 已提交
1020
		/* failed. schedule dpc to try */
1021
		set_bit(ISP_ABORT_NEEDED, &pha->dpc_flags);
L
Linus Torvalds 已提交
1022 1023

		if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
已提交
1024
			goto eh_host_reset_lock;
A
Andrew Vasquez 已提交
1025
	}
1026
	clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
L
Linus Torvalds 已提交
1027 1028

	/* Waiting for our command in done_queue to be returned to OS.*/
1029
	if (qla2x00_eh_wait_for_pending_commands(pha))
已提交
1030
		ret = SUCCESS;
L
Linus Torvalds 已提交
1031

1032 1033 1034
	if (ha->parent)
		qla2x00_vp_abort_isp(ha);

已提交
1035 1036 1037
eh_host_reset_lock:
	qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
	    (ret == FAILED) ? "failed" : "succeded");
L
Linus Torvalds 已提交
1038

已提交
1039 1040
	return ret;
}
L
Linus Torvalds 已提交
1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051

/*
* qla2x00_loop_reset
*      Issue loop reset.
*
* Input:
*      ha = adapter block pointer.
*
* Returns:
*      0 = success
*/
1052
int
L
Linus Torvalds 已提交
1053 1054
qla2x00_loop_reset(scsi_qla_host_t *ha)
{
1055
	int ret;
1056
	struct fc_port *fcport;
L
Linus Torvalds 已提交
1057

1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070
	if (ha->flags.enable_lip_full_login) {
		ret = qla2x00_full_login_lip(ha);
		if (ret != QLA_SUCCESS) {
			DEBUG2_3(printk("%s(%ld): bus_reset failed: "
			    "full_login_lip=%d.\n", __func__, ha->host_no,
			    ret));
		}
		atomic_set(&ha->loop_state, LOOP_DOWN);
		atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
		qla2x00_mark_all_devices_lost(ha, 0);
		qla2x00_wait_for_loop_ready(ha);
	}

L
Linus Torvalds 已提交
1071
	if (ha->flags.enable_lip_reset) {
1072 1073 1074 1075 1076 1077
		ret = qla2x00_lip_reset(ha);
		if (ret != QLA_SUCCESS) {
			DEBUG2_3(printk("%s(%ld): bus_reset failed: "
			    "lip_reset=%d.\n", __func__, ha->host_no, ret));
		}
		qla2x00_wait_for_loop_ready(ha);
L
Linus Torvalds 已提交
1078 1079
	}

1080
	if (ha->flags.enable_target_reset) {
1081 1082
		list_for_each_entry(fcport, &ha->fcports, list) {
			if (fcport->port_type != FCT_TARGET)
L
Linus Torvalds 已提交
1083 1084
				continue;

1085 1086 1087 1088 1089 1090
			ret = qla2x00_device_reset(ha, fcport);
			if (ret != QLA_SUCCESS) {
				DEBUG2_3(printk("%s(%ld): bus_reset failed: "
				    "target_reset=%d d_id=%x.\n", __func__,
				    ha->host_no, ret, fcport->d_id.b24));
			}
L
Linus Torvalds 已提交
1091 1092 1093 1094 1095 1096
		}
	}

	/* Issue marker command only when we are going to start the I/O */
	ha->marker_needed = 1;

1097
	return QLA_SUCCESS;
L
Linus Torvalds 已提交
1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116
}

/*
 * qla2x00_device_reset
 *	Issue bus device reset message to the target.
 *
 * Input:
 *	ha = adapter block pointer.
 *	t = SCSI ID.
 *	TARGET_QUEUE_LOCK must be released.
 *	ADAPTER_STATE_LOCK must be released.
 *
 * Context:
 *	Kernel context.
 */
static int
qla2x00_device_reset(scsi_qla_host_t *ha, fc_port_t *reset_fcport)
{
	/* Abort Target command will clear Reservation */
1117
	return ha->isp_ops->abort_target(reset_fcport);
L
Linus Torvalds 已提交
1118 1119
}

1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140
void
qla2x00_abort_all_cmds(scsi_qla_host_t *ha, int res)
{
	int cnt;
	unsigned long flags;
	srb_t *sp;

	spin_lock_irqsave(&ha->hardware_lock, flags);
	for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
		sp = ha->outstanding_cmds[cnt];
		if (sp) {
			ha->outstanding_cmds[cnt] = NULL;
			sp->flags = 0;
			sp->cmd->result = res;
			sp->cmd->host_scribble = (unsigned char *)NULL;
			qla2x00_sp_compl(ha, sp);
		}
	}
	spin_unlock_irqrestore(&ha->hardware_lock, flags);
}

已提交
1141 1142
static int
qla2xxx_slave_alloc(struct scsi_device *sdev)
L
Linus Torvalds 已提交
1143
{
1144
	struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
L
Linus Torvalds 已提交
1145

1146
	if (!rport || fc_remote_port_chkready(rport))
已提交
1147
		return -ENXIO;
1148

1149
	sdev->hostdata = *(fc_port_t **)rport->dd_data;
L
Linus Torvalds 已提交
1150

已提交
1151 1152
	return 0;
}
L
Linus Torvalds 已提交
1153

已提交
1154 1155 1156
static int
qla2xxx_slave_configure(struct scsi_device *sdev)
{
A
Andrew Vasquez 已提交
1157
	scsi_qla_host_t *ha = shost_priv(sdev->host);
已提交
1158 1159
	struct fc_rport *rport = starget_to_rport(sdev->sdev_target);

已提交
1160
	if (sdev->tagged_supported)
1161
		scsi_activate_tcq(sdev, ha->max_q_depth);
已提交
1162
	else
1163
		scsi_deactivate_tcq(sdev, ha->max_q_depth);
L
Linus Torvalds 已提交
1164

已提交
1165 1166
	rport->dev_loss_tmo = ha->port_down_retry_count + 5;

已提交
1167 1168
	return 0;
}
L
Linus Torvalds 已提交
1169

已提交
1170 1171 1172 1173
static void
qla2xxx_slave_destroy(struct scsi_device *sdev)
{
	sdev->hostdata = NULL;
L
Linus Torvalds 已提交
1174 1175
}

1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197
static int
qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
{
	scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
	return sdev->queue_depth;
}

static int
qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
{
	if (sdev->tagged_supported) {
		scsi_set_tag_type(sdev, tag_type);
		if (tag_type)
			scsi_activate_tcq(sdev, sdev->queue_depth);
		else
			scsi_deactivate_tcq(sdev, sdev->queue_depth);
	} else
		tag_type = 0;

	return tag_type;
}

L
Linus Torvalds 已提交
1198 1199 1200 1201 1202 1203 1204 1205 1206 1207
/**
 * 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
qla2x00_config_dma_addressing(scsi_qla_host_t *ha)
{
1208
	/* Assume a 32bit DMA mask. */
L
Linus Torvalds 已提交
1209 1210
	ha->flags.enable_64bit_addressing = 0;

1211 1212 1213 1214 1215
	if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) {
		/* Any upper-dword bits set? */
		if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
		    !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) {
			/* Ok, a 64bit DMA mask is applicable. */
L
Linus Torvalds 已提交
1216
			ha->flags.enable_64bit_addressing = 1;
1217 1218
			ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
			ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1219
			return;
L
Linus Torvalds 已提交
1220 1221
		}
	}
1222 1223 1224

	dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK);
	pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK);
L
Linus Torvalds 已提交
1225 1226
}

1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380
static void
qla2x00_enable_intrs(scsi_qla_host_t *ha)
{
	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
qla2x00_disable_intrs(scsi_qla_host_t *ha)
{
	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
qla24xx_enable_intrs(scsi_qla_host_t *ha)
{
	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
qla24xx_disable_intrs(scsi_qla_host_t *ha)
{
	unsigned long flags = 0;
	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;

	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);
}

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,
	.abort_target		= qla2x00_abort_target,
	.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,
};

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,
	.abort_target		= qla2x00_abort_target,
	.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,
};

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,
	.abort_target		= qla24xx_abort_target,
	.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,
};

1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408
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,
	.abort_target		= qla24xx_abort_target,
	.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,
1409
	.read_optrom		= qla25xx_read_optrom_data,
1410 1411 1412 1413
	.write_optrom		= qla24xx_write_optrom_data,
	.get_flash_version	= qla24xx_get_flash_version,
};

1414 1415 1416 1417 1418 1419 1420 1421
static inline void
qla2x00_set_isp_flags(scsi_qla_host_t *ha)
{
	ha->device_type = DT_EXTENDED_IDS;
	switch (ha->pdev->device) {
	case PCI_DEVICE_ID_QLOGIC_ISP2100:
		ha->device_type |= DT_ISP2100;
		ha->device_type &= ~DT_EXTENDED_IDS;
1422
		ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1423 1424 1425 1426
		break;
	case PCI_DEVICE_ID_QLOGIC_ISP2200:
		ha->device_type |= DT_ISP2200;
		ha->device_type &= ~DT_EXTENDED_IDS;
1427
		ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1428 1429 1430
		break;
	case PCI_DEVICE_ID_QLOGIC_ISP2300:
		ha->device_type |= DT_ISP2300;
1431
		ha->device_type |= DT_ZIO_SUPPORTED;
1432
		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1433 1434 1435
		break;
	case PCI_DEVICE_ID_QLOGIC_ISP2312:
		ha->device_type |= DT_ISP2312;
1436
		ha->device_type |= DT_ZIO_SUPPORTED;
1437
		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1438 1439 1440
		break;
	case PCI_DEVICE_ID_QLOGIC_ISP2322:
		ha->device_type |= DT_ISP2322;
1441
		ha->device_type |= DT_ZIO_SUPPORTED;
1442 1443 1444
		if (ha->pdev->subsystem_vendor == 0x1028 &&
		    ha->pdev->subsystem_device == 0x0170)
			ha->device_type |= DT_OEM_001;
1445
		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1446 1447 1448
		break;
	case PCI_DEVICE_ID_QLOGIC_ISP6312:
		ha->device_type |= DT_ISP6312;
1449
		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1450 1451 1452
		break;
	case PCI_DEVICE_ID_QLOGIC_ISP6322:
		ha->device_type |= DT_ISP6322;
1453
		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1454 1455 1456
		break;
	case PCI_DEVICE_ID_QLOGIC_ISP2422:
		ha->device_type |= DT_ISP2422;
1457
		ha->device_type |= DT_ZIO_SUPPORTED;
1458
		ha->device_type |= DT_FWI2;
1459
		ha->device_type |= DT_IIDMA;
1460
		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1461 1462 1463
		break;
	case PCI_DEVICE_ID_QLOGIC_ISP2432:
		ha->device_type |= DT_ISP2432;
1464
		ha->device_type |= DT_ZIO_SUPPORTED;
1465
		ha->device_type |= DT_FWI2;
1466
		ha->device_type |= DT_IIDMA;
1467
		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1468
		break;
1469 1470
	case PCI_DEVICE_ID_QLOGIC_ISP5422:
		ha->device_type |= DT_ISP5422;
1471
		ha->device_type |= DT_FWI2;
1472
		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1473
		break;
1474 1475
	case PCI_DEVICE_ID_QLOGIC_ISP5432:
		ha->device_type |= DT_ISP5432;
1476
		ha->device_type |= DT_FWI2;
1477
		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1478
		break;
1479 1480 1481 1482 1483
	case PCI_DEVICE_ID_QLOGIC_ISP2532:
		ha->device_type |= DT_ISP2532;
		ha->device_type |= DT_ZIO_SUPPORTED;
		ha->device_type |= DT_FWI2;
		ha->device_type |= DT_IIDMA;
1484
		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1485 1486 1487 1488
		break;
	}
}

L
Linus Torvalds 已提交
1489 1490 1491
static int
qla2x00_iospace_config(scsi_qla_host_t *ha)
{
1492
	resource_size_t pio;
L
Linus Torvalds 已提交
1493

1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504
	if (pci_request_selected_regions(ha->pdev, ha->bars,
	    QLA2XXX_DRIVER_NAME)) {
		qla_printk(KERN_WARNING, ha,
		    "Failed to reserve PIO/MMIO regions (%s)\n",
		    pci_name(ha->pdev));

		goto iospace_error_exit;
	}
	if (!(ha->bars & 1))
		goto skip_pio;

L
Linus Torvalds 已提交
1505 1506
	/* We only need PIO for Flash operations on ISP2312 v2 chips. */
	pio = pci_resource_start(ha->pdev, 0);
1507 1508
	if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
		if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
L
Linus Torvalds 已提交
1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519
			qla_printk(KERN_WARNING, ha,
			    "Invalid PCI I/O region size (%s)...\n",
				pci_name(ha->pdev));
			pio = 0;
		}
	} else {
		qla_printk(KERN_WARNING, ha,
		    "region #0 not a PIO resource (%s)...\n",
		    pci_name(ha->pdev));
		pio = 0;
	}
1520
	ha->pio_address = pio;
L
Linus Torvalds 已提交
1521

1522
skip_pio:
L
Linus Torvalds 已提交
1523
	/* Use MMIO operations for all accesses. */
1524
	if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
L
Linus Torvalds 已提交
1525
		qla_printk(KERN_ERR, ha,
1526
		    "region #1 not an MMIO resource (%s), aborting\n",
L
Linus Torvalds 已提交
1527 1528 1529
		    pci_name(ha->pdev));
		goto iospace_error_exit;
	}
1530
	if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
L
Linus Torvalds 已提交
1531 1532 1533 1534 1535 1536
		qla_printk(KERN_ERR, ha,
		    "Invalid PCI mem region size (%s), aborting\n",
			pci_name(ha->pdev));
		goto iospace_error_exit;
	}

1537
	ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
L
Linus Torvalds 已提交
1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550
	if (!ha->iobase) {
		qla_printk(KERN_ERR, ha,
		    "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));

		goto iospace_error_exit;
	}

	return (0);

iospace_error_exit:
	return (-ENOMEM);
}

1551 1552 1553
static void
qla2xxx_scan_start(struct Scsi_Host *shost)
{
A
Andrew Vasquez 已提交
1554
	scsi_qla_host_t *ha = shost_priv(shost);
1555 1556 1557 1558 1559 1560 1561 1562 1563

	set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
	set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
	set_bit(RSCN_UPDATE, &ha->dpc_flags);
}

static int
qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
{
A
Andrew Vasquez 已提交
1564
	scsi_qla_host_t *ha = shost_priv(shost);
1565 1566 1567 1568 1569 1570 1571 1572 1573

	if (!ha->host)
		return 1;
	if (time > ha->loop_reset_delay * HZ)
		return 1;

	return atomic_read(&ha->loop_state) == LOOP_READY;
}

L
Linus Torvalds 已提交
1574 1575 1576
/*
 * PCI driver interface
 */
1577 1578
static int __devinit
qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
L
Linus Torvalds 已提交
1579
{
1580
	int	ret = -ENODEV;
1581
	device_reg_t __iomem *reg;
L
Linus Torvalds 已提交
1582 1583 1584
	struct Scsi_Host *host;
	scsi_qla_host_t *ha;
	unsigned long	flags = 0;
1585
	char pci_info[30];
L
Linus Torvalds 已提交
1586
	char fw_str[30];
1587
	struct scsi_host_template *sht;
1588
	int bars, mem_only = 0;
L
Linus Torvalds 已提交
1589

1590
	bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
1591 1592
	sht = &qla2x00_driver_template;
	if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
1593 1594
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
1595
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
1596 1597
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532) {
		bars = pci_select_bars(pdev, IORESOURCE_MEM);
1598
		sht = &qla24xx_driver_template;
1599
		mem_only = 1;
1600 1601
	}

1602 1603 1604 1605 1606 1607 1608
	if (mem_only) {
		if (pci_enable_device_mem(pdev))
			goto probe_out;
	} else {
		if (pci_enable_device(pdev))
			goto probe_out;
	}
1609 1610 1611 1612 1613

	if (pci_find_aer_capability(pdev))
		if (pci_enable_pcie_error_reporting(pdev))
			goto probe_out;

1614
	host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
L
Linus Torvalds 已提交
1615 1616 1617 1618 1619 1620 1621
	if (host == NULL) {
		printk(KERN_WARNING
		    "qla2xxx: Couldn't allocate host from scsi layer!\n");
		goto probe_disable_device;
	}

	/* Clear our data area */
A
Andrew Vasquez 已提交
1622
	ha = shost_priv(host);
L
Linus Torvalds 已提交
1623 1624 1625 1626 1627
	memset(ha, 0, sizeof(scsi_qla_host_t));

	ha->pdev = pdev;
	ha->host = host;
	ha->host_no = host->host_no;
1628
	sprintf(ha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, ha->host_no);
1629
	ha->parent = NULL;
1630
	ha->bars = bars;
1631
	ha->mem_only = mem_only;
1632
	spin_lock_init(&ha->hardware_lock);
L
Linus Torvalds 已提交
1633

1634 1635 1636
	/* Set ISP-type information. */
	qla2x00_set_isp_flags(ha);

L
Linus Torvalds 已提交
1637 1638
	/* Configure PCI I/O space */
	ret = qla2x00_iospace_config(ha);
1639 1640
	if (ret)
		goto probe_failed;
L
Linus Torvalds 已提交
1641 1642

	qla_printk(KERN_INFO, ha,
1643 1644
	    "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
	    ha->iobase);
L
Linus Torvalds 已提交
1645 1646

	ha->prev_topology = 0;
1647
	ha->init_cb_size = sizeof(init_cb_t);
1648
	ha->mgmt_svr_loop_id = MANAGEMENT_SERVER + ha->vp_idx;
1649
	ha->link_data_rate = PORT_SPEED_UNKNOWN;
1650
	ha->optrom_size = OPTROM_SIZE_2300;
L
Linus Torvalds 已提交
1651

1652 1653 1654 1655
	ha->max_q_depth = MAX_Q_DEPTH;
	if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
		ha->max_q_depth = ql2xmaxqdepth;

1656
	/* Assign ISP specific operations. */
L
Linus Torvalds 已提交
1657
	if (IS_QLA2100(ha)) {
1658
		host->max_id = MAX_TARGETS_2100;
L
Linus Torvalds 已提交
1659 1660 1661 1662 1663
		ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
		ha->request_q_length = REQUEST_ENTRY_CNT_2100;
		ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
		ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
		host->sg_tablesize = 32;
1664
		ha->gid_list_info_size = 4;
1665
		ha->isp_ops = &qla2100_isp_ops;
L
Linus Torvalds 已提交
1666
	} else if (IS_QLA2200(ha)) {
1667
		host->max_id = MAX_TARGETS_2200;
L
Linus Torvalds 已提交
1668 1669 1670 1671
		ha->mbx_count = MAILBOX_REGISTER_COUNT;
		ha->request_q_length = REQUEST_ENTRY_CNT_2200;
		ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
		ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
1672
		ha->gid_list_info_size = 4;
1673
		ha->isp_ops = &qla2100_isp_ops;
1674
	} else if (IS_QLA23XX(ha)) {
1675
		host->max_id = MAX_TARGETS_2200;
L
Linus Torvalds 已提交
1676 1677 1678 1679
		ha->mbx_count = MAILBOX_REGISTER_COUNT;
		ha->request_q_length = REQUEST_ENTRY_CNT_2200;
		ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
		ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1680
		ha->gid_list_info_size = 6;
1681 1682
		if (IS_QLA2322(ha) || IS_QLA6322(ha))
			ha->optrom_size = OPTROM_SIZE_2322;
1683
		ha->isp_ops = &qla2300_isp_ops;
1684
	} else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
1685 1686 1687 1688 1689
		host->max_id = MAX_TARGETS_2200;
		ha->mbx_count = MAILBOX_REGISTER_COUNT;
		ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
		ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
		ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1690 1691
		ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
		ha->mgmt_svr_loop_id = 10 + ha->vp_idx;
1692
		ha->gid_list_info_size = 8;
1693
		ha->optrom_size = OPTROM_SIZE_24XX;
1694
		ha->isp_ops = &qla24xx_isp_ops;
1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705
	} else if (IS_QLA25XX(ha)) {
		host->max_id = MAX_TARGETS_2200;
		ha->mbx_count = MAILBOX_REGISTER_COUNT;
		ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
		ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
		ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
		ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
		ha->mgmt_svr_loop_id = 10 + ha->vp_idx;
		ha->gid_list_info_size = 8;
		ha->optrom_size = OPTROM_SIZE_25XX;
		ha->isp_ops = &qla25xx_isp_ops;
L
Linus Torvalds 已提交
1706 1707 1708 1709 1710 1711
	}
	host->can_queue = ha->request_q_length + 128;

	/* load the F/W, read paramaters, and init the H/W */
	ha->instance = num_hosts;

1712
	init_MUTEX(&ha->vport_sem);
1713 1714 1715
	init_completion(&ha->mbx_cmd_comp);
	complete(&ha->mbx_cmd_comp);
	init_completion(&ha->mbx_intr_comp);
L
Linus Torvalds 已提交
1716 1717 1718

	INIT_LIST_HEAD(&ha->list);
	INIT_LIST_HEAD(&ha->fcports);
1719 1720 1721
	INIT_LIST_HEAD(&ha->vp_list);

	set_bit(0, (unsigned long *) ha->vp_idx_map);
L
Linus Torvalds 已提交
1722 1723 1724 1725 1726 1727

	qla2x00_config_dma_addressing(ha);
	if (qla2x00_mem_alloc(ha)) {
		qla_printk(KERN_WARNING, ha,
		    "[ERROR] Failed to allocate memory for adapter\n");

1728 1729
		ret = -ENOMEM;
		goto probe_failed;
L
Linus Torvalds 已提交
1730 1731
	}

1732
	if (qla2x00_initialize_adapter(ha)) {
L
Linus Torvalds 已提交
1733 1734 1735 1736 1737 1738 1739
		qla_printk(KERN_WARNING, ha,
		    "Failed to initialize adapter\n");

		DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
		    "Adapter flags %x.\n",
		    ha->host_no, ha->device_flags));

1740
		ret = -ENODEV;
L
Linus Torvalds 已提交
1741 1742 1743 1744 1745 1746
		goto probe_failed;
	}

	/*
	 * Startup the kernel thread for this host adapter
	 */
1747 1748 1749
	ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
			"%s_dpc", ha->host_str);
	if (IS_ERR(ha->dpc_thread)) {
L
Linus Torvalds 已提交
1750 1751
		qla_printk(KERN_WARNING, ha,
		    "Unable to start DPC thread!\n");
1752
		ret = PTR_ERR(ha->dpc_thread);
L
Linus Torvalds 已提交
1753 1754 1755
		goto probe_failed;
	}

1756 1757 1758 1759
	host->this_id = 255;
	host->cmd_per_lun = 3;
	host->unique_id = ha->instance;
	host->max_cmd_len = MAX_CMDSZ;
1760
	host->max_channel = MAX_BUSES - 1;
1761 1762 1763
	host->max_lun = MAX_LUNS;
	host->transportt = qla2xxx_transport_template;

1764 1765
	ret = qla2x00_request_irqs(ha);
	if (ret)
L
Linus Torvalds 已提交
1766 1767 1768 1769 1770 1771 1772 1773
		goto probe_failed;

	/* Initialized the timer */
	qla2x00_start_timer(ha, qla2x00_timer, WATCH_INTERVAL);

	DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
	    ha->host_no, ha));

1774
	ha->isp_ops->disable_intrs(ha);
L
Linus Torvalds 已提交
1775 1776

	spin_lock_irqsave(&ha->hardware_lock, flags);
1777
	reg = ha->iobase;
1778
	if (IS_FWI2_CAPABLE(ha)) {
1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796
		WRT_REG_DWORD(&reg->isp24.hccr, HCCRX_CLR_HOST_INT);
		WRT_REG_DWORD(&reg->isp24.hccr, HCCRX_CLR_RISC_INT);
	} else {
		WRT_REG_WORD(&reg->isp.semaphore, 0);
		WRT_REG_WORD(&reg->isp.hccr, HCCR_CLR_RISC_INT);
		WRT_REG_WORD(&reg->isp.hccr, HCCR_CLR_HOST_INT);

		/* Enable proper parity */
		if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) {
			if (IS_QLA2300(ha))
				/* SRAM parity */
				WRT_REG_WORD(&reg->isp.hccr,
				    (HCCR_ENABLE_PARITY + 0x1));
			else
				/* SRAM, Instruction RAM and GP RAM parity */
				WRT_REG_WORD(&reg->isp.hccr,
				    (HCCR_ENABLE_PARITY + 0x7));
		}
L
Linus Torvalds 已提交
1797 1798 1799
	}
	spin_unlock_irqrestore(&ha->hardware_lock, flags);

1800
	ha->isp_ops->enable_intrs(ha);
L
Linus Torvalds 已提交
1801

1802
	pci_set_drvdata(pdev, ha);
1803

L
Linus Torvalds 已提交
1804
	ha->flags.init_done = 1;
1805 1806
	ha->flags.online = 1;

L
Linus Torvalds 已提交
1807 1808
	num_hosts++;

1809 1810 1811 1812
	ret = scsi_add_host(host, &pdev->dev);
	if (ret)
		goto probe_failed;

1813 1814
	scsi_scan_host(host);

1815 1816 1817 1818
	qla2x00_alloc_sysfs_attr(ha);

	qla2x00_init_host_attr(ha);

1819 1820
	qla2x00_dfs_setup(ha);

L
Linus Torvalds 已提交
1821 1822 1823
	qla_printk(KERN_INFO, ha, "\n"
	    " QLogic Fibre Channel HBA Driver: %s\n"
	    "  QLogic %s - %s\n"
1824 1825 1826
	    "  ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
	    qla2x00_version_str, ha->model_number,
	    ha->model_desc ? ha->model_desc: "", pdev->device,
1827
	    ha->isp_ops->pci_info_str(ha, pci_info), pci_name(pdev),
1828
	    ha->flags.enable_64bit_addressing ? '+': '-', ha->host_no,
1829
	    ha->isp_ops->fw_version_str(ha, fw_str));
L
Linus Torvalds 已提交
1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840

	return 0;

probe_failed:
	qla2x00_free_device(ha);

	scsi_host_put(host);

probe_disable_device:
	pci_disable_device(pdev);

1841 1842
probe_out:
	return ret;
L
Linus Torvalds 已提交
1843 1844
}

A
Adrian Bunk 已提交
1845
static void
1846
qla2x00_remove_one(struct pci_dev *pdev)
L
Linus Torvalds 已提交
1847 1848 1849 1850 1851
{
	scsi_qla_host_t *ha;

	ha = pci_get_drvdata(pdev);

1852 1853
	qla2x00_dfs_remove(ha);

已提交
1854
	qla2x00_free_sysfs_attr(ha);
L
Linus Torvalds 已提交
1855

1856 1857
	fc_remove_host(ha->host);

L
Linus Torvalds 已提交
1858 1859 1860 1861 1862 1863
	scsi_remove_host(ha->host);

	qla2x00_free_device(ha);

	scsi_host_put(ha->host);

1864
	pci_disable_device(pdev);
L
Linus Torvalds 已提交
1865 1866 1867 1868 1869 1870
	pci_set_drvdata(pdev, NULL);
}

static void
qla2x00_free_device(scsi_qla_host_t *ha)
{
1871 1872
	qla2x00_abort_all_cmds(ha, DID_NO_CONNECT << 16);

L
Linus Torvalds 已提交
1873 1874 1875 1876
	/* Disable timer */
	if (ha->timer_active)
		qla2x00_stop_timer(ha);

1877 1878
	ha->flags.online = 0;

L
Linus Torvalds 已提交
1879
	/* Kill the kernel thread for this host */
1880 1881
	if (ha->dpc_thread) {
		struct task_struct *t = ha->dpc_thread;
L
Linus Torvalds 已提交
1882

1883 1884 1885 1886 1887 1888
		/*
		 * qla2xxx_wake_dpc checks for ->dpc_thread
		 * so we need to zero it out.
		 */
		ha->dpc_thread = NULL;
		kthread_stop(t);
L
Linus Torvalds 已提交
1889 1890
	}

1891 1892 1893
	if (ha->flags.fce_enabled)
		qla2x00_disable_fce_trace(ha, NULL, NULL);

1894
	if (ha->eft)
1895
		qla2x00_disable_eft_trace(ha);
1896

1897
	/* Stop currently executing firmware. */
1898
	qla2x00_try_to_stop_firmware(ha);
L
Linus Torvalds 已提交
1899

1900 1901
	/* turn-off interrupts on the card */
	if (ha->interrupts_on)
1902
		ha->isp_ops->disable_intrs(ha);
1903 1904

	qla2x00_mem_free(ha);
L
Linus Torvalds 已提交
1905

1906
	qla2x00_free_irqs(ha);
L
Linus Torvalds 已提交
1907 1908 1909 1910

	/* release io space registers  */
	if (ha->iobase)
		iounmap(ha->iobase);
1911
	pci_release_selected_regions(ha->pdev, ha->bars);
L
Linus Torvalds 已提交
1912 1913
}

1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928
static inline void
qla2x00_schedule_rport_del(struct scsi_qla_host *ha, fc_port_t *fcport,
    int defer)
{
	unsigned long flags;
	struct fc_rport *rport;

	if (!fcport->rport)
		return;

	rport = fcport->rport;
	if (defer) {
		spin_lock_irqsave(&fcport->rport_lock, flags);
		fcport->drport = rport;
		fcport->rport = NULL;
1929
		*(fc_port_t **)rport->dd_data = NULL;
1930 1931 1932 1933 1934
		spin_unlock_irqrestore(&fcport->rport_lock, flags);
		set_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags);
	} else {
		spin_lock_irqsave(&fcport->rport_lock, flags);
		fcport->rport = NULL;
1935
		*(fc_port_t **)rport->dd_data = NULL;
1936 1937 1938 1939 1940
		spin_unlock_irqrestore(&fcport->rport_lock, flags);
		fc_remote_port_delete(rport);
	}
}

L
Linus Torvalds 已提交
1941 1942 1943 1944 1945 1946 1947 1948 1949 1950
/*
 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
 *
 * Input: ha = adapter block pointer.  fcport = port structure pointer.
 *
 * Return: None.
 *
 * Context:
 */
void qla2x00_mark_device_lost(scsi_qla_host_t *ha, fc_port_t *fcport,
1951
    int do_login, int defer)
L
Linus Torvalds 已提交
1952
{
1953 1954
	if (atomic_read(&fcport->state) == FCS_ONLINE &&
	    ha->vp_idx == fcport->vp_idx)
1955
		qla2x00_schedule_rport_del(ha, fcport, defer);
1956

A
Andrew Vasquez 已提交
1957
	/*
L
Linus Torvalds 已提交
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 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001
	 * 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)
		atomic_set(&fcport->state, FCS_DEVICE_LOST);

	if (!do_login)
		return;

	if (fcport->login_retry == 0) {
		fcport->login_retry = ha->login_retry_count;
		set_bit(RELOGIN_NEEDED, &ha->dpc_flags);

		DEBUG(printk("scsi(%ld): Port login retry: "
		    "%02x%02x%02x%02x%02x%02x%02x%02x, "
		    "id = 0x%04x retry cnt=%d\n",
		    ha->host_no,
		    fcport->port_name[0],
		    fcport->port_name[1],
		    fcport->port_name[2],
		    fcport->port_name[3],
		    fcport->port_name[4],
		    fcport->port_name[5],
		    fcport->port_name[6],
		    fcport->port_name[7],
		    fcport->loop_id,
		    fcport->login_retry));
	}
}

/*
 * 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
2002
qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha, int defer)
L
Linus Torvalds 已提交
2003 2004
{
	fc_port_t *fcport;
2005
	scsi_qla_host_t *pha = to_qla_parent(ha);
L
Linus Torvalds 已提交
2006

2007 2008
	list_for_each_entry(fcport, &pha->fcports, list) {
		if (ha->vp_idx != 0 && ha->vp_idx != fcport->vp_idx)
L
Linus Torvalds 已提交
2009 2010 2011 2012 2013 2014 2015
			continue;
		/*
		 * No point in marking the device as lost, if the device is
		 * already DEAD.
		 */
		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
			continue;
2016 2017 2018 2019 2020 2021
		if (atomic_read(&fcport->state) == FCS_ONLINE) {
			if (defer)
				qla2x00_schedule_rport_del(ha, fcport, defer);
			else if (ha->vp_idx == fcport->vp_idx)
				qla2x00_schedule_rport_del(ha, fcport, defer);
		}
L
Linus Torvalds 已提交
2022 2023
		atomic_set(&fcport->state, FCS_DEVICE_LOST);
	}
2024

2025 2026
	if (defer)
		qla2xxx_wake_dpc(ha);
L
Linus Torvalds 已提交
2027 2028 2029 2030 2031 2032 2033 2034 2035 2036
}

/*
* qla2x00_mem_alloc
*      Allocates adapter memory.
*
* Returns:
*      0  = success.
*      1  = failure.
*/
A
Adrian Bunk 已提交
2037
static uint8_t
L
Linus Torvalds 已提交
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 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088
qla2x00_mem_alloc(scsi_qla_host_t *ha)
{
	char	name[16];
	uint8_t   status = 1;
	int	retry= 10;

	do {
		/*
		 * This will loop only once if everything goes well, else some
		 * number of retries will be performed to get around a kernel
		 * bug where available mem is not allocated until after a
		 * little delay and a retry.
		 */
		ha->request_ring = dma_alloc_coherent(&ha->pdev->dev,
		    (ha->request_q_length + 1) * sizeof(request_t),
		    &ha->request_dma, GFP_KERNEL);
		if (ha->request_ring == NULL) {
			qla_printk(KERN_WARNING, ha,
			    "Memory Allocation failed - request_ring\n");

			qla2x00_mem_free(ha);
			msleep(100);

			continue;
		}

		ha->response_ring = dma_alloc_coherent(&ha->pdev->dev,
		    (ha->response_q_length + 1) * sizeof(response_t),
		    &ha->response_dma, GFP_KERNEL);
		if (ha->response_ring == NULL) {
			qla_printk(KERN_WARNING, ha,
			    "Memory Allocation failed - response_ring\n");

			qla2x00_mem_free(ha);
			msleep(100);

			continue;
		}

		ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
		    &ha->gid_list_dma, GFP_KERNEL);
		if (ha->gid_list == NULL) {
			qla_printk(KERN_WARNING, ha,
			    "Memory Allocation failed - gid_list\n");

			qla2x00_mem_free(ha);
			msleep(100);

			continue;
		}

2089 2090 2091 2092
		/* get consistent memory allocated for init control block */
		ha->init_cb = dma_alloc_coherent(&ha->pdev->dev,
		    ha->init_cb_size, &ha->init_cb_dma, GFP_KERNEL);
		if (ha->init_cb == NULL) {
L
Linus Torvalds 已提交
2093
			qla_printk(KERN_WARNING, ha,
2094
			    "Memory Allocation failed - init_cb\n");
L
Linus Torvalds 已提交
2095 2096 2097 2098 2099 2100

			qla2x00_mem_free(ha);
			msleep(100);

			continue;
		}
2101
		memset(ha->init_cb, 0, ha->init_cb_size);
L
Linus Torvalds 已提交
2102

2103 2104 2105 2106 2107
		snprintf(name, sizeof(name), "%s_%ld", QLA2XXX_DRIVER_NAME,
		    ha->host_no);
		ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
		    DMA_POOL_SIZE, 8, 0);
		if (ha->s_dma_pool == NULL) {
L
Linus Torvalds 已提交
2108
			qla_printk(KERN_WARNING, ha,
2109
			    "Memory Allocation failed - s_dma_pool\n");
L
Linus Torvalds 已提交
2110 2111 2112 2113 2114 2115 2116 2117 2118 2119 2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158 2159 2160 2161 2162 2163 2164 2165 2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178

			qla2x00_mem_free(ha);
			msleep(100);

			continue;
		}

		if (qla2x00_allocate_sp_pool(ha)) {
			qla_printk(KERN_WARNING, ha,
			    "Memory Allocation failed - "
			    "qla2x00_allocate_sp_pool()\n");

			qla2x00_mem_free(ha);
			msleep(100);

			continue;
		}

		/* Allocate memory for SNS commands */
		if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
			/* Get consistent memory allocated for SNS commands */
			ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
			    sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma,
			    GFP_KERNEL);
			if (ha->sns_cmd == NULL) {
				/* error */
				qla_printk(KERN_WARNING, ha,
				    "Memory Allocation failed - sns_cmd\n");

				qla2x00_mem_free(ha);
				msleep(100);

				continue;
			}
			memset(ha->sns_cmd, 0, sizeof(struct sns_cmd_pkt));
		} else {
			/* Get consistent memory allocated for MS IOCB */
			ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
			    &ha->ms_iocb_dma);
			if (ha->ms_iocb == NULL) {
				/* error */
				qla_printk(KERN_WARNING, ha,
				    "Memory Allocation failed - ms_iocb\n");

				qla2x00_mem_free(ha);
				msleep(100);

				continue;
			}
			memset(ha->ms_iocb, 0, sizeof(ms_iocb_entry_t));

			/*
			 * Get consistent memory allocated for CT SNS
			 * commands
			 */
			ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
			    sizeof(struct ct_sns_pkt), &ha->ct_sns_dma,
			    GFP_KERNEL);
			if (ha->ct_sns == NULL) {
				/* error */
				qla_printk(KERN_WARNING, ha,
				    "Memory Allocation failed - ct_sns\n");

				qla2x00_mem_free(ha);
				msleep(100);

				continue;
			}
			memset(ha->ct_sns, 0, sizeof(struct ct_sns_pkt));
2179

2180
			if (IS_FWI2_CAPABLE(ha)) {
2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194 2195 2196 2197 2198
				/*
				 * Get consistent memory allocated for SFP
				 * block.
				 */
				ha->sfp_data = dma_pool_alloc(ha->s_dma_pool,
				    GFP_KERNEL, &ha->sfp_data_dma);
				if (ha->sfp_data == NULL) {
					qla_printk(KERN_WARNING, ha,
					    "Memory Allocation failed - "
					    "sfp_data\n");

					qla2x00_mem_free(ha);
					msleep(100);

					continue;
				}
				memset(ha->sfp_data, 0, SFP_BLOCK_SIZE);
			}
L
Linus Torvalds 已提交
2199 2200
		}

2201 2202 2203 2204 2205 2206 2207 2208 2209 2210 2211 2212 2213
		/* Get memory for cached NVRAM */
		ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
		if (ha->nvram == NULL) {
			/* error */
			qla_printk(KERN_WARNING, ha,
			    "Memory Allocation failed - nvram cache\n");

			qla2x00_mem_free(ha);
			msleep(100);

			continue;
		}

L
Linus Torvalds 已提交
2214 2215 2216 2217 2218 2219 2220 2221 2222 2223 2224 2225 2226 2227 2228 2229 2230 2231 2232 2233
		/* Done all allocations without any error. */
		status = 0;

	} while (retry-- && status != 0);

	if (status) {
		printk(KERN_WARNING
			"%s(): **** FAILED ****\n", __func__);
	}

	return(status);
}

/*
* qla2x00_mem_free
*      Frees all adapter allocated memory.
*
* Input:
*      ha = adapter block pointer.
*/
A
Adrian Bunk 已提交
2234
static void
L
Linus Torvalds 已提交
2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248
qla2x00_mem_free(scsi_qla_host_t *ha)
{
	struct list_head	*fcpl, *fcptemp;
	fc_port_t	*fcport;

	if (ha == NULL) {
		/* error */
		DEBUG2(printk("%s(): ERROR invalid ha pointer.\n", __func__));
		return;
	}

	/* free sp pool */
	qla2x00_free_sp_pool(ha);

2249 2250 2251 2252
	if (ha->fce)
		dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
		    ha->fce_dma);

2253 2254 2255 2256 2257 2258 2259
	if (ha->fw_dump) {
		if (ha->eft)
			dma_free_coherent(&ha->pdev->dev,
			    ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
		vfree(ha->fw_dump);
	}

L
Linus Torvalds 已提交
2260 2261 2262 2263 2264 2265 2266 2267
	if (ha->sns_cmd)
		dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
		    ha->sns_cmd, ha->sns_cmd_dma);

	if (ha->ct_sns)
		dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
		    ha->ct_sns, ha->ct_sns_dma);

2268 2269 2270
	if (ha->sfp_data)
		dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);

L
Linus Torvalds 已提交
2271 2272 2273 2274 2275 2276
	if (ha->ms_iocb)
		dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);

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

2277 2278 2279 2280
	if (ha->init_cb)
		dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
		    ha->init_cb, ha->init_cb_dma);

L
Linus Torvalds 已提交
2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294
	if (ha->gid_list)
		dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
		    ha->gid_list_dma);

	if (ha->response_ring)
		dma_free_coherent(&ha->pdev->dev,
		    (ha->response_q_length + 1) * sizeof(response_t),
		    ha->response_ring, ha->response_dma);

	if (ha->request_ring)
		dma_free_coherent(&ha->pdev->dev,
		    (ha->request_q_length + 1) * sizeof(request_t),
		    ha->request_ring, ha->request_dma);

2295 2296
	ha->eft = NULL;
	ha->eft_dma = 0;
L
Linus Torvalds 已提交
2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 2310 2311 2312 2313 2314 2315 2316 2317 2318 2319 2320 2321 2322 2323 2324 2325
	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;

	ha->s_dma_pool = NULL;

	ha->gid_list = NULL;
	ha->gid_list_dma = 0;

	ha->response_ring = NULL;
	ha->response_dma = 0;
	ha->request_ring = NULL;
	ha->request_dma = 0;

	list_for_each_safe(fcpl, fcptemp, &ha->fcports) {
		fcport = list_entry(fcpl, fc_port_t, list);

		/* fc ports */
		list_del_init(&fcport->list);
		kfree(fcport);
	}
	INIT_LIST_HEAD(&ha->fcports);

	ha->fw_dump = NULL;
2326
	ha->fw_dumped = 0;
L
Linus Torvalds 已提交
2327
	ha->fw_dump_reading = 0;
2328 2329

	vfree(ha->optrom_buffer);
2330
	kfree(ha->nvram);
L
Linus Torvalds 已提交
2331 2332 2333 2334 2335 2336 2337 2338 2339 2340 2341 2342 2343 2344
}

/*
 * qla2x00_allocate_sp_pool
 * 	 This routine is called during initialization to allocate
 *  	 memory for local srb_t.
 *
 * Input:
 *	 ha   = adapter block pointer.
 *
 * Context:
 *      Kernel context.
 */
static int
A
Andrew Vasquez 已提交
2345
qla2x00_allocate_sp_pool(scsi_qla_host_t *ha)
L
Linus Torvalds 已提交
2346 2347 2348 2349
{
	int      rval;

	rval = QLA_SUCCESS;
2350
	ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
L
Linus Torvalds 已提交
2351 2352 2353 2354 2355 2356 2357 2358 2359
	if (ha->srb_mempool == NULL) {
		qla_printk(KERN_INFO, ha, "Unable to allocate SRB mempool.\n");
		rval = QLA_FUNCTION_FAILED;
	}
	return (rval);
}

/*
 *  This routine frees all adapter allocated memory.
A
Andrew Vasquez 已提交
2360
 *
L
Linus Torvalds 已提交
2361 2362
 */
static void
A
Andrew Vasquez 已提交
2363
qla2x00_free_sp_pool( scsi_qla_host_t *ha)
L
Linus Torvalds 已提交
2364 2365 2366 2367 2368 2369 2370 2371 2372 2373 2374 2375 2376 2377 2378 2379 2380 2381 2382 2383 2384 2385 2386
{
	if (ha->srb_mempool) {
		mempool_destroy(ha->srb_mempool);
		ha->srb_mempool = NULL;
	}
}

/**************************************************************************
* 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)
{
2387
	int		rval;
L
Linus Torvalds 已提交
2388 2389 2390 2391 2392 2393 2394 2395 2396
	scsi_qla_host_t *ha;
	fc_port_t	*fcport;
	uint8_t		status;
	uint16_t	next_loopid;

	ha = (scsi_qla_host_t *)data;

	set_user_nice(current, -20);

2397
	while (!kthread_should_stop()) {
L
Linus Torvalds 已提交
2398 2399
		DEBUG3(printk("qla2x00: DPC handler sleeping\n"));

2400 2401 2402
		set_current_state(TASK_INTERRUPTIBLE);
		schedule();
		__set_current_state(TASK_RUNNING);
L
Linus Torvalds 已提交
2403 2404 2405 2406

		DEBUG3(printk("qla2x00: DPC handler waking up\n"));

		/* Initialization not yet finished. Don't do anything yet. */
2407
		if (!ha->flags.init_done)
L
Linus Torvalds 已提交
2408 2409 2410 2411 2412 2413 2414 2415 2416 2417 2418 2419 2420 2421 2422 2423 2424 2425 2426 2427 2428 2429 2430 2431 2432 2433 2434 2435 2436 2437
			continue;

		DEBUG3(printk("scsi(%ld): DPC handler\n", ha->host_no));

		ha->dpc_active = 1;

		if (ha->flags.mbox_busy) {
			ha->dpc_active = 0;
			continue;
		}

		if (test_and_clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {

			DEBUG(printk("scsi(%ld): dpc: sched "
			    "qla2x00_abort_isp ha = %p\n",
			    ha->host_no, ha));
			if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
			    &ha->dpc_flags))) {

				if (qla2x00_abort_isp(ha)) {
					/* failed. retry later */
					set_bit(ISP_ABORT_NEEDED,
					    &ha->dpc_flags);
				}
				clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
			}
			DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
			    ha->host_no));
		}

2438 2439 2440
		if (test_and_clear_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags))
			qla2x00_update_fcports(ha);

2441 2442 2443 2444 2445 2446
		if (test_and_clear_bit(LOOP_RESET_NEEDED, &ha->dpc_flags)) {
			DEBUG(printk("scsi(%ld): dpc: sched loop_reset()\n",
			    ha->host_no));
			qla2x00_loop_reset(ha);
		}

L
Linus Torvalds 已提交
2447 2448 2449 2450 2451 2452 2453 2454 2455 2456 2457 2458 2459 2460 2461 2462 2463 2464 2465 2466 2467 2468 2469 2470 2471 2472 2473 2474 2475 2476
		if (test_and_clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) &&
		    (!(test_and_set_bit(RESET_ACTIVE, &ha->dpc_flags)))) {

			DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
			    ha->host_no));

			qla2x00_rst_aen(ha);
			clear_bit(RESET_ACTIVE, &ha->dpc_flags);
		}

		/* Retry each device up to login retry count */
		if ((test_and_clear_bit(RELOGIN_NEEDED, &ha->dpc_flags)) &&
		    !test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) &&
		    atomic_read(&ha->loop_state) != LOOP_DOWN) {

			DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
			    ha->host_no));

			next_loopid = 0;
			list_for_each_entry(fcport, &ha->fcports, list) {
				/*
				 * If the port is not ONLINE then try to login
				 * to it if we haven't run out of retries.
				 */
				if (atomic_read(&fcport->state) != FCS_ONLINE &&
				    fcport->login_retry) {

					if (fcport->flags & FCF_FABRIC_DEVICE) {
						if (fcport->flags &
						    FCF_TAPE_PRESENT)
2477
							ha->isp_ops->fabric_logout(
2478 2479 2480 2481
							    ha, fcport->loop_id,
							    fcport->d_id.b.domain,
							    fcport->d_id.b.area,
							    fcport->d_id.b.al_pa);
L
Linus Torvalds 已提交
2482 2483 2484 2485 2486
						status = qla2x00_fabric_login(
						    ha, fcport, &next_loopid);
					} else
						status =
						    qla2x00_local_device_login(
2487
							ha, fcport);
L
Linus Torvalds 已提交
2488

2489
					fcport->login_retry--;
L
Linus Torvalds 已提交
2490 2491 2492 2493 2494
					if (status == QLA_SUCCESS) {
						fcport->old_loop_id = fcport->loop_id;

						DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n",
						    ha->host_no, fcport->loop_id));
A
Andrew Vasquez 已提交
2495

2496 2497
						qla2x00_update_fcport(ha,
						    fcport);
L
Linus Torvalds 已提交
2498 2499 2500 2501 2502 2503 2504 2505 2506
					} else if (status == 1) {
						set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
						/* retry the login again */
						DEBUG(printk("scsi(%ld): Retrying %d login again loop_id 0x%x\n",
						    ha->host_no,
						    fcport->login_retry, fcport->loop_id));
					} else {
						fcport->login_retry = 0;
					}
2507 2508
					if (fcport->login_retry == 0)
						fcport->loop_id = FC_NO_LOOP_ID;
L
Linus Torvalds 已提交
2509 2510 2511 2512 2513 2514 2515 2516 2517 2518 2519 2520 2521 2522
				}
				if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
					break;
			}
			DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
			    ha->host_no));
		}

		if ((test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags)) &&
		    atomic_read(&ha->loop_state) != LOOP_DOWN) {

			clear_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags);
			DEBUG(printk("scsi(%ld): qla2x00_login_retry()\n",
			    ha->host_no));
A
Andrew Vasquez 已提交
2523

L
Linus Torvalds 已提交
2524 2525 2526 2527 2528 2529 2530 2531 2532 2533 2534 2535 2536 2537
			set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);

			DEBUG(printk("scsi(%ld): qla2x00_login_retry - end\n",
			    ha->host_no));
		}

		if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {

			DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
			    ha->host_no));

			if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
			    &ha->dpc_flags))) {

2538
				rval = qla2x00_loop_resync(ha);
L
Linus Torvalds 已提交
2539 2540 2541 2542 2543 2544 2545 2546 2547 2548 2549 2550 2551 2552 2553 2554 2555 2556 2557 2558 2559

				clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
			}

			DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
			    ha->host_no));
		}

		if (test_and_clear_bit(FCPORT_RESCAN_NEEDED, &ha->dpc_flags)) {

			DEBUG(printk("scsi(%ld): Rescan flagged fcports...\n",
			    ha->host_no));

			qla2x00_rescan_fcports(ha);

			DEBUG(printk("scsi(%ld): Rescan flagged fcports..."
			    "end.\n",
			    ha->host_no));
		}

		if (!ha->interrupts_on)
2560
			ha->isp_ops->enable_intrs(ha);
L
Linus Torvalds 已提交
2561

2562
		if (test_and_clear_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags))
2563
			ha->isp_ops->beacon_blink(ha);
2564

2565 2566
		qla2x00_do_dpc_all_vps(ha);

L
Linus Torvalds 已提交
2567 2568 2569 2570 2571 2572 2573 2574 2575 2576
		ha->dpc_active = 0;
	} /* End of while(1) */

	DEBUG(printk("scsi(%ld): DPC handler exiting\n", ha->host_no));

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

2577 2578 2579 2580 2581 2582 2583 2584
	return 0;
}

void
qla2xxx_wake_dpc(scsi_qla_host_t *ha)
{
	if (ha->dpc_thread)
		wake_up_process(ha->dpc_thread);
L
Linus Torvalds 已提交
2585 2586 2587 2588 2589 2590 2591 2592 2593 2594
}

/*
*  qla2x00_rst_aen
*      Processes asynchronous reset.
*
* Input:
*      ha  = adapter block pointer.
*/
static void
A
Andrew Vasquez 已提交
2595
qla2x00_rst_aen(scsi_qla_host_t *ha)
L
Linus Torvalds 已提交
2596 2597 2598 2599 2600 2601 2602 2603 2604 2605 2606 2607 2608 2609 2610 2611 2612
{
	if (ha->flags.online && !ha->flags.reset_active &&
	    !atomic_read(&ha->loop_down_timer) &&
	    !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) {
		do {
			clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);

			/*
			 * Issue marker command only when we are going to start
			 * the I/O.
			 */
			ha->marker_needed = 1;
		} while (!atomic_read(&ha->loop_down_timer) &&
		    (test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags)));
	}
}

已提交
2613 2614 2615 2616 2617 2618
static void
qla2x00_sp_free_dma(scsi_qla_host_t *ha, srb_t *sp)
{
	struct scsi_cmnd *cmd = sp->cmd;

	if (sp->flags & SRB_DMA_VALID) {
2619
		scsi_dma_unmap(cmd);
已提交
2620 2621
		sp->flags &= ~SRB_DMA_VALID;
	}
2622
	CMD_SP(cmd) = NULL;
已提交
2623 2624 2625 2626 2627 2628 2629 2630 2631 2632 2633 2634 2635
}

void
qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *sp)
{
	struct scsi_cmnd *cmd = sp->cmd;

	qla2x00_sp_free_dma(ha, sp);

	mempool_free(sp, ha->srb_mempool);

	cmd->scsi_done(cmd);
}
2636

L
Linus Torvalds 已提交
2637 2638 2639 2640 2641 2642 2643 2644
/**************************************************************************
*   qla2x00_timer
*
* Description:
*   One second timer
*
* Context: Interrupt
***************************************************************************/
2645
void
L
Linus Torvalds 已提交
2646 2647 2648 2649 2650 2651 2652
qla2x00_timer(scsi_qla_host_t *ha)
{
	unsigned long	cpu_flags = 0;
	fc_port_t	*fcport;
	int		start_dpc = 0;
	int		index;
	srb_t		*sp;
已提交
2653
	int		t;
2654
	scsi_qla_host_t *pha = to_qla_parent(ha);
L
Linus Torvalds 已提交
2655 2656 2657 2658 2659 2660

	/*
	 * Ports - Port down timer.
	 *
	 * Whenever, a port is in the LOST state we start decrementing its port
	 * down timer every second until it reaches zero. Once  it reaches zero
A
Andrew Vasquez 已提交
2661
	 * the port it marked DEAD.
L
Linus Torvalds 已提交
2662 2663 2664 2665 2666 2667 2668 2669 2670 2671 2672
	 */
	t = 0;
	list_for_each_entry(fcport, &ha->fcports, list) {
		if (fcport->port_type != FCT_TARGET)
			continue;

		if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {

			if (atomic_read(&fcport->port_down_timer) == 0)
				continue;

A
Andrew Vasquez 已提交
2673
			if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
L
Linus Torvalds 已提交
2674
				atomic_set(&fcport->state, FCS_DEVICE_DEAD);
A
Andrew Vasquez 已提交
2675

L
Linus Torvalds 已提交
2676
			DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
2677
			    "%d remaining\n",
L
Linus Torvalds 已提交
2678 2679 2680 2681 2682 2683 2684 2685 2686 2687 2688 2689 2690 2691 2692 2693 2694 2695 2696
			    ha->host_no,
			    t, atomic_read(&fcport->port_down_timer)));
		}
		t++;
	} /* End of for fcport  */


	/* Loop down handler. */
	if (atomic_read(&ha->loop_down_timer) > 0 &&
	    !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) && ha->flags.online) {

		if (atomic_read(&ha->loop_down_timer) ==
		    ha->loop_down_abort_time) {

			DEBUG(printk("scsi(%ld): Loop Down - aborting the "
			    "queues before time expire\n",
			    ha->host_no));

			if (!IS_QLA2100(ha) && ha->link_down_timeout)
A
Andrew Vasquez 已提交
2697
				atomic_set(&ha->loop_state, LOOP_DEAD);
L
Linus Torvalds 已提交
2698 2699

			/* Schedule an ISP abort to return any tape commands. */
2700 2701 2702 2703 2704 2705 2706 2707 2708 2709 2710 2711 2712 2713 2714
			/* NPIV - scan physical port only */
			if (!ha->parent) {
				spin_lock_irqsave(&ha->hardware_lock,
				    cpu_flags);
				for (index = 1;
				    index < MAX_OUTSTANDING_COMMANDS;
				    index++) {
					fc_port_t *sfcp;

					sp = ha->outstanding_cmds[index];
					if (!sp)
						continue;
					sfcp = sp->fcport;
					if (!(sfcp->flags & FCF_TAPE_PRESENT))
						continue;
2715

2716 2717 2718 2719 2720 2721
					set_bit(ISP_ABORT_NEEDED,
					    &ha->dpc_flags);
					break;
				}
				spin_unlock_irqrestore(&ha->hardware_lock,
				    cpu_flags);
L
Linus Torvalds 已提交
2722 2723 2724 2725 2726 2727 2728 2729 2730 2731 2732 2733 2734 2735 2736 2737 2738 2739 2740 2741 2742 2743 2744 2745
			}
			set_bit(ABORT_QUEUES_NEEDED, &ha->dpc_flags);
			start_dpc++;
		}

		/* if the loop has been down for 4 minutes, reinit adapter */
		if (atomic_dec_and_test(&ha->loop_down_timer) != 0) {
			DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - "
			    "restarting queues.\n",
			    ha->host_no));

			set_bit(RESTART_QUEUES_NEEDED, &ha->dpc_flags);
			start_dpc++;

			if (!(ha->device_flags & DFLG_NO_CABLE)) {
				DEBUG(printk("scsi(%ld): Loop down - "
				    "aborting ISP.\n",
				    ha->host_no));
				qla_printk(KERN_WARNING, ha,
				    "Loop down - aborting ISP.\n");

				set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
			}
		}
2746
		DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
L
Linus Torvalds 已提交
2747 2748 2749 2750
		    ha->host_no,
		    atomic_read(&ha->loop_down_timer)));
	}

2751 2752 2753 2754 2755 2756
	/* Check if beacon LED needs to be blinked */
	if (ha->beacon_blink_led == 1) {
		set_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags);
		start_dpc++;
	}

L
Linus Torvalds 已提交
2757 2758 2759
	/* Schedule the DPC routine if needed */
	if ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) ||
	    test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) ||
2760
	    test_bit(LOOP_RESET_NEEDED, &ha->dpc_flags) ||
2761
	    test_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags) ||
L
Linus Torvalds 已提交
2762 2763
	    start_dpc ||
	    test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags) ||
已提交
2764
	    test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) ||
2765
	    test_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags) ||
2766
	    test_bit(VP_DPC_NEEDED, &ha->dpc_flags) ||
2767
	    test_bit(RELOGIN_NEEDED, &ha->dpc_flags)))
2768
		qla2xxx_wake_dpc(pha);
L
Linus Torvalds 已提交
2769 2770 2771 2772

	qla2x00_restart_timer(ha, WATCH_INTERVAL);
}

2773 2774
/* Firmware interface routines. */

2775
#define FW_BLOBS	6
2776 2777 2778 2779
#define FW_ISP21XX	0
#define FW_ISP22XX	1
#define FW_ISP2300	2
#define FW_ISP2322	3
2780
#define FW_ISP24XX	4
2781
#define FW_ISP25XX	5
2782

2783 2784 2785 2786 2787
#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"
2788
#define FW_FILE_ISP25XX	"ql2500_fw.bin"
2789

2790 2791 2792
static DECLARE_MUTEX(qla_fw_lock);

static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
2793 2794 2795 2796 2797
	{ .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, },
2798
	{ .name = FW_FILE_ISP25XX, },
2799 2800 2801 2802 2803 2804 2805 2806 2807 2808 2809 2810
};

struct fw_blob *
qla2x00_request_firmware(scsi_qla_host_t *ha)
{
	struct fw_blob *blob;

	blob = NULL;
	if (IS_QLA2100(ha)) {
		blob = &qla_fw_blobs[FW_ISP21XX];
	} else if (IS_QLA2200(ha)) {
		blob = &qla_fw_blobs[FW_ISP22XX];
2811
	} else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
2812
		blob = &qla_fw_blobs[FW_ISP2300];
2813
	} else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
2814
		blob = &qla_fw_blobs[FW_ISP2322];
2815
	} else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
2816
		blob = &qla_fw_blobs[FW_ISP24XX];
2817 2818
	} else if (IS_QLA25XX(ha)) {
		blob = &qla_fw_blobs[FW_ISP25XX];
2819 2820 2821 2822 2823 2824 2825 2826 2827 2828 2829 2830 2831 2832 2833 2834 2835 2836 2837 2838 2839 2840 2841 2842 2843 2844 2845 2846 2847 2848 2849
	}

	down(&qla_fw_lock);
	if (blob->fw)
		goto out;

	if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
		DEBUG2(printk("scsi(%ld): Failed to load firmware image "
		    "(%s).\n", ha->host_no, blob->name));
		blob->fw = NULL;
		blob = NULL;
		goto out;
	}

out:
	up(&qla_fw_lock);
	return blob;
}

static void
qla2x00_release_firmware(void)
{
	int idx;

	down(&qla_fw_lock);
	for (idx = 0; idx < FW_BLOBS; idx++)
		if (qla_fw_blobs[idx].fw)
			release_firmware(qla_fw_blobs[idx].fw);
	up(&qla_fw_lock);
}

2850 2851 2852 2853 2854 2855 2856 2857 2858 2859 2860 2861 2862 2863 2864 2865 2866 2867 2868 2869 2870 2871 2872 2873 2874 2875 2876 2877 2878 2879 2880 2881 2882 2883 2884 2885 2886 2887 2888 2889 2890 2891 2892 2893 2894 2895 2896 2897 2898 2899 2900 2901 2902 2903 2904 2905 2906
static pci_ers_result_t
qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
{
	switch (state) {
	case pci_channel_io_normal:
		return PCI_ERS_RESULT_CAN_RECOVER;
	case pci_channel_io_frozen:
		pci_disable_device(pdev);
		return PCI_ERS_RESULT_NEED_RESET;
	case pci_channel_io_perm_failure:
		qla2x00_remove_one(pdev);
		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;
	scsi_qla_host_t *ha = pci_get_drvdata(pdev);
	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
	struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;

	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) {
		qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
		    "Dumping firmware!\n");
		ha->isp_ops->fw_dump(ha, 0);

		return PCI_ERS_RESULT_NEED_RESET;
	} else
		return PCI_ERS_RESULT_RECOVERED;
}

static pci_ers_result_t
qla2xxx_pci_slot_reset(struct pci_dev *pdev)
{
	pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
	scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2907 2908 2909 2910 2911 2912
	int rc;

	if (ha->mem_only)
		rc = pci_enable_device_mem(pdev);
	else
		rc = pci_enable_device(pdev);
2913

2914
	if (rc) {
2915 2916 2917 2918 2919 2920 2921 2922 2923 2924 2925 2926 2927 2928 2929 2930 2931 2932 2933 2934 2935 2936 2937 2938 2939 2940 2941 2942 2943 2944 2945 2946 2947 2948 2949 2950 2951 2952 2953 2954
		qla_printk(KERN_WARNING, ha,
		    "Can't re-enable PCI device after reset.\n");

		return ret;
	}
	pci_set_master(pdev);

	if (ha->isp_ops->pci_config(ha))
		return ret;

	set_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
	if (qla2x00_abort_isp(ha)== QLA_SUCCESS)
		ret =  PCI_ERS_RESULT_RECOVERED;
	clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);

	return ret;
}

static void
qla2xxx_pci_resume(struct pci_dev *pdev)
{
	scsi_qla_host_t *ha = pci_get_drvdata(pdev);
	int ret;

	ret = qla2x00_wait_for_hba_online(ha);
	if (ret != QLA_SUCCESS) {
		qla_printk(KERN_ERR, ha,
		    "the device failed to resume I/O "
		    "from slot/link_reset");
	}
	pci_cleanup_aer_uncorrect_error_status(pdev);
}

static struct pci_error_handlers qla2xxx_err_handler = {
	.error_detected = qla2xxx_pci_error_detected,
	.mmio_enabled = qla2xxx_pci_mmio_enabled,
	.slot_reset = qla2xxx_pci_slot_reset,
	.resume = qla2xxx_pci_resume,
};

2955
static struct pci_device_id qla2xxx_pci_tbl[] = {
2956 2957 2958 2959 2960 2961 2962 2963 2964 2965 2966
	{ 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) },
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
2967
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
2968 2969 2970 2971
	{ 0 },
};
MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);

2972
static struct pci_driver qla2xxx_pci_driver = {
2973
	.name		= QLA2XXX_DRIVER_NAME,
2974 2975 2976
	.driver		= {
		.owner		= THIS_MODULE,
	},
2977
	.id_table	= qla2xxx_pci_tbl,
2978
	.probe		= qla2x00_probe_one,
A
Adrian Bunk 已提交
2979
	.remove		= qla2x00_remove_one,
2980
	.err_handler	= &qla2xxx_err_handler,
2981 2982
};

L
Linus Torvalds 已提交
2983 2984 2985 2986 2987 2988
/**
 * qla2x00_module_init - Module initialization.
 **/
static int __init
qla2x00_module_init(void)
{
2989 2990
	int ret = 0;

L
Linus Torvalds 已提交
2991
	/* Allocate cache for SRBs. */
2992
	srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
2993
	    SLAB_HWCACHE_ALIGN, NULL);
L
Linus Torvalds 已提交
2994 2995 2996 2997 2998 2999 3000 3001
	if (srb_cachep == NULL) {
		printk(KERN_ERR
		    "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
		return -ENOMEM;
	}

	/* Derive version string. */
	strcpy(qla2x00_version_str, QLA2XXX_VERSION);
3002
	if (ql2xextended_error_logging)
3003 3004
		strcat(qla2x00_version_str, "-debug");

3005 3006
	qla2xxx_transport_template =
	    fc_attach_transport(&qla2xxx_transport_functions);
3007 3008
	if (!qla2xxx_transport_template) {
		kmem_cache_destroy(srb_cachep);
L
Linus Torvalds 已提交
3009
		return -ENODEV;
3010 3011 3012 3013 3014 3015
	}
	qla2xxx_transport_vport_template =
	    fc_attach_transport(&qla2xxx_transport_vport_functions);
	if (!qla2xxx_transport_vport_template) {
		kmem_cache_destroy(srb_cachep);
		fc_release_transport(qla2xxx_transport_template);
L
Linus Torvalds 已提交
3016
		return -ENODEV;
3017
	}
L
Linus Torvalds 已提交
3018 3019

	printk(KERN_INFO "QLogic Fibre Channel HBA Driver\n");
3020
	ret = pci_register_driver(&qla2xxx_pci_driver);
3021 3022 3023
	if (ret) {
		kmem_cache_destroy(srb_cachep);
		fc_release_transport(qla2xxx_transport_template);
3024
		fc_release_transport(qla2xxx_transport_vport_template);
3025 3026
	}
	return ret;
L
Linus Torvalds 已提交
3027 3028 3029 3030 3031 3032 3033 3034
}

/**
 * qla2x00_module_exit - Module cleanup.
 **/
static void __exit
qla2x00_module_exit(void)
{
3035
	pci_unregister_driver(&qla2xxx_pci_driver);
3036
	qla2x00_release_firmware();
3037
	kmem_cache_destroy(srb_cachep);
L
Linus Torvalds 已提交
3038
	fc_release_transport(qla2xxx_transport_template);
3039
	fc_release_transport(qla2xxx_transport_vport_template);
L
Linus Torvalds 已提交
3040 3041 3042 3043 3044 3045 3046 3047 3048
}

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);
3049 3050 3051 3052 3053
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);
3054
MODULE_FIRMWARE(FW_FILE_ISP25XX);