qla_mr.c 92.8 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296
/*
 * QLogic Fibre Channel HBA Driver
 * Copyright (c)  2003-2013 QLogic Corporation
 *
 * See LICENSE.qla2xxx for copyright and licensing details.
 */
#include "qla_def.h"
#include <linux/delay.h>
#include <linux/pci.h>
#include <linux/ratelimit.h>
#include <linux/vmalloc.h>
#include <scsi/scsi_tcq.h>
#include <linux/utsname.h>


/* QLAFX00 specific Mailbox implementation functions */

/*
 * qlafx00_mailbox_command
 *	Issue mailbox command and waits for completion.
 *
 * Input:
 *	ha = adapter block pointer.
 *	mcp = driver internal mbx struct pointer.
 *
 * Output:
 *	mb[MAX_MAILBOX_REGISTER_COUNT] = returned mailbox data.
 *
 * Returns:
 *	0 : QLA_SUCCESS = cmd performed success
 *	1 : QLA_FUNCTION_FAILED   (error encountered)
 *	6 : QLA_FUNCTION_TIMEOUT (timeout condition encountered)
 *
 * Context:
 *	Kernel context.
 */
static int
qlafx00_mailbox_command(scsi_qla_host_t *vha, struct mbx_cmd_32 *mcp)

{
	int		rval;
	unsigned long    flags = 0;
	device_reg_t __iomem *reg;
	uint8_t		abort_active;
	uint8_t		io_lock_on;
	uint16_t	command = 0;
	uint32_t	*iptr;
	uint32_t __iomem *optr;
	uint32_t	cnt;
	uint32_t	mboxes;
	unsigned long	wait_time;
	struct qla_hw_data *ha = vha->hw;
	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);

	if (ha->pdev->error_state > pci_channel_io_frozen) {
		ql_log(ql_log_warn, vha, 0x115c,
		    "error_state is greater than pci_channel_io_frozen, "
		    "exiting.\n");
		return QLA_FUNCTION_TIMEOUT;
	}

	if (vha->device_flags & DFLG_DEV_FAILED) {
		ql_log(ql_log_warn, vha, 0x115f,
		    "Device in failed state, exiting.\n");
		return QLA_FUNCTION_TIMEOUT;
	}

	reg = ha->iobase;
	io_lock_on = base_vha->flags.init_done;

	rval = QLA_SUCCESS;
	abort_active = test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);

	if (ha->flags.pci_channel_io_perm_failure) {
		ql_log(ql_log_warn, vha, 0x1175,
		    "Perm failure on EEH timeout MBX, exiting.\n");
		return QLA_FUNCTION_TIMEOUT;
	}

	if (ha->flags.isp82xx_fw_hung) {
		/* Setting Link-Down error */
		mcp->mb[0] = MBS_LINK_DOWN_ERROR;
		ql_log(ql_log_warn, vha, 0x1176,
		    "FW hung = %d.\n", ha->flags.isp82xx_fw_hung);
		rval = QLA_FUNCTION_FAILED;
		goto premature_exit;
	}

	/*
	 * Wait for active mailbox commands to finish by waiting at most tov
	 * seconds. This is to serialize actual issuing of mailbox cmds during
	 * non ISP abort time.
	 */
	if (!wait_for_completion_timeout(&ha->mbx_cmd_comp, mcp->tov * HZ)) {
		/* Timeout occurred. Return error. */
		ql_log(ql_log_warn, vha, 0x1177,
		    "Cmd access timeout, cmd=0x%x, Exiting.\n",
		    mcp->mb[0]);
		return QLA_FUNCTION_TIMEOUT;
	}

	ha->flags.mbox_busy = 1;
	/* Save mailbox command for debug */
	ha->mcp32 = mcp;

	ql_dbg(ql_dbg_mbx, vha, 0x1178,
	    "Prepare to issue mbox cmd=0x%x.\n", mcp->mb[0]);

	spin_lock_irqsave(&ha->hardware_lock, flags);

	/* Load mailbox registers. */
	optr = (uint32_t __iomem *)&reg->ispfx00.mailbox0;

	iptr = mcp->mb;
	command = mcp->mb[0];
	mboxes = mcp->out_mb;

	for (cnt = 0; cnt < ha->mbx_count; cnt++) {
		if (mboxes & BIT_0)
			WRT_REG_DWORD(optr, *iptr);

		mboxes >>= 1;
		optr++;
		iptr++;
	}

	/* Issue set host interrupt command to send cmd out. */
	ha->flags.mbox_int = 0;
	clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);

	ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1172,
	    (uint8_t *)mcp->mb, 16);
	ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1173,
	    ((uint8_t *)mcp->mb + 0x10), 16);
	ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1174,
	    ((uint8_t *)mcp->mb + 0x20), 8);

	/* Unlock mbx registers and wait for interrupt */
	ql_dbg(ql_dbg_mbx, vha, 0x1179,
	    "Going to unlock irq & waiting for interrupts. "
	    "jiffies=%lx.\n", jiffies);

	/* Wait for mbx cmd completion until timeout */
	if ((!abort_active && io_lock_on) || IS_NOPOLLING_TYPE(ha)) {
		set_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags);

		QLAFX00_SET_HST_INTR(ha, ha->mbx_intr_code);
		spin_unlock_irqrestore(&ha->hardware_lock, flags);

		wait_for_completion_timeout(&ha->mbx_intr_comp, mcp->tov * HZ);
	} else {
		ql_dbg(ql_dbg_mbx, vha, 0x112c,
		    "Cmd=%x Polling Mode.\n", command);

		QLAFX00_SET_HST_INTR(ha, ha->mbx_intr_code);
		spin_unlock_irqrestore(&ha->hardware_lock, flags);

		wait_time = jiffies + mcp->tov * HZ; /* wait at most tov secs */
		while (!ha->flags.mbox_int) {
			if (time_after(jiffies, wait_time))
				break;

			/* Check for pending interrupts. */
			qla2x00_poll(ha->rsp_q_map[0]);

			if (!ha->flags.mbox_int &&
			    !(IS_QLA2200(ha) &&
			    command == MBC_LOAD_RISC_RAM_EXTENDED))
				usleep_range(10000, 11000);
		} /* while */
		ql_dbg(ql_dbg_mbx, vha, 0x112d,
		    "Waited %d sec.\n",
		    (uint)((jiffies - (wait_time - (mcp->tov * HZ)))/HZ));
	}

	/* Check whether we timed out */
	if (ha->flags.mbox_int) {
		uint32_t *iptr2;

		ql_dbg(ql_dbg_mbx, vha, 0x112e,
		    "Cmd=%x completed.\n", command);

		/* Got interrupt. Clear the flag. */
		ha->flags.mbox_int = 0;
		clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);

		if (ha->mailbox_out32[0] != MBS_COMMAND_COMPLETE)
			rval = QLA_FUNCTION_FAILED;

		/* Load return mailbox registers. */
		iptr2 = mcp->mb;
		iptr = (uint32_t *)&ha->mailbox_out32[0];
		mboxes = mcp->in_mb;
		for (cnt = 0; cnt < ha->mbx_count; cnt++) {
			if (mboxes & BIT_0)
				*iptr2 = *iptr;

			mboxes >>= 1;
			iptr2++;
			iptr++;
		}
	} else {

		rval = QLA_FUNCTION_TIMEOUT;
	}

	ha->flags.mbox_busy = 0;

	/* Clean up */
	ha->mcp32 = NULL;

	if ((abort_active || !io_lock_on) && !IS_NOPOLLING_TYPE(ha)) {
		ql_dbg(ql_dbg_mbx, vha, 0x113a,
		    "checking for additional resp interrupt.\n");

		/* polling mode for non isp_abort commands. */
		qla2x00_poll(ha->rsp_q_map[0]);
	}

	if (rval == QLA_FUNCTION_TIMEOUT &&
	    mcp->mb[0] != MBC_GEN_SYSTEM_ERROR) {
		if (!io_lock_on || (mcp->flags & IOCTL_CMD) ||
		    ha->flags.eeh_busy) {
			/* not in dpc. schedule it for dpc to take over. */
			ql_dbg(ql_dbg_mbx, vha, 0x115d,
			    "Timeout, schedule isp_abort_needed.\n");

			if (!test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) &&
			    !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) &&
			    !test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {

				ql_log(ql_log_info, base_vha, 0x115e,
				    "Mailbox cmd timeout occurred, cmd=0x%x, "
				    "mb[0]=0x%x, eeh_busy=0x%x. Scheduling ISP "
				    "abort.\n", command, mcp->mb[0],
				    ha->flags.eeh_busy);
				set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
				qla2xxx_wake_dpc(vha);
			}
		} else if (!abort_active) {
			/* call abort directly since we are in the DPC thread */
			ql_dbg(ql_dbg_mbx, vha, 0x1160,
			    "Timeout, calling abort_isp.\n");

			if (!test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) &&
			    !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) &&
			    !test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {

				ql_log(ql_log_info, base_vha, 0x1161,
				    "Mailbox cmd timeout occurred, cmd=0x%x, "
				    "mb[0]=0x%x. Scheduling ISP abort ",
				    command, mcp->mb[0]);

				set_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags);
				clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
				if (ha->isp_ops->abort_isp(vha)) {
					/* Failed. retry later. */
					set_bit(ISP_ABORT_NEEDED,
					    &vha->dpc_flags);
				}
				clear_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags);
				ql_dbg(ql_dbg_mbx, vha, 0x1162,
				    "Finished abort_isp.\n");
			}
		}
	}

premature_exit:
	/* Allow next mbx cmd to come in. */
	complete(&ha->mbx_cmd_comp);

	if (rval) {
		ql_log(ql_log_warn, base_vha, 0x1163,
		    "**** Failed mbx[0]=%x, mb[1]=%x, mb[2]=%x, "
		    "mb[3]=%x, cmd=%x ****.\n",
		    mcp->mb[0], mcp->mb[1], mcp->mb[2], mcp->mb[3], command);
	} else {
		ql_dbg(ql_dbg_mbx, base_vha, 0x1164, "Done %s.\n", __func__);
	}

	return rval;
}

/*
 * qlafx00_driver_shutdown
 *	Indicate a driver shutdown to firmware.
 *
 * Input:
 *	ha = adapter block pointer.
 *
 * Returns:
 *	local function return status code.
 *
 * Context:
 *	Kernel context.
 */
297
int
298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709
qlafx00_driver_shutdown(scsi_qla_host_t *vha, int tmo)
{
	int rval;
	struct mbx_cmd_32 mc;
	struct mbx_cmd_32 *mcp = &mc;

	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1166,
	    "Entered %s.\n", __func__);

	mcp->mb[0] = MBC_MR_DRV_SHUTDOWN;
	mcp->out_mb = MBX_0;
	mcp->in_mb = MBX_0;
	if (tmo)
		mcp->tov = tmo;
	else
		mcp->tov = MBX_TOV_SECONDS;
	mcp->flags = 0;
	rval = qlafx00_mailbox_command(vha, mcp);

	if (rval != QLA_SUCCESS) {
		ql_dbg(ql_dbg_mbx, vha, 0x1167,
		    "Failed=%x.\n", rval);
	} else {
		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1168,
		    "Done %s.\n", __func__);
	}

	return rval;
}

/*
 * qlafx00_get_firmware_state
 *	Get adapter firmware state.
 *
 * Input:
 *	ha = adapter block pointer.
 *	TARGET_QUEUE_LOCK must be released.
 *	ADAPTER_STATE_LOCK must be released.
 *
 * Returns:
 *	qla7xxx local function return status code.
 *
 * Context:
 *	Kernel context.
 */
static int
qlafx00_get_firmware_state(scsi_qla_host_t *vha, uint32_t *states)
{
	int rval;
	struct mbx_cmd_32 mc;
	struct mbx_cmd_32 *mcp = &mc;

	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1169,
	    "Entered %s.\n", __func__);

	mcp->mb[0] = MBC_GET_FIRMWARE_STATE;
	mcp->out_mb = MBX_0;
	mcp->in_mb = MBX_1|MBX_0;
	mcp->tov = MBX_TOV_SECONDS;
	mcp->flags = 0;
	rval = qlafx00_mailbox_command(vha, mcp);

	/* Return firmware states. */
	states[0] = mcp->mb[1];

	if (rval != QLA_SUCCESS) {
		ql_dbg(ql_dbg_mbx, vha, 0x116a,
		    "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
	} else {
		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116b,
		    "Done %s.\n", __func__);
	}
	return rval;
}

/*
 * qlafx00_init_firmware
 *	Initialize adapter firmware.
 *
 * Input:
 *	ha = adapter block pointer.
 *	dptr = Initialization control block pointer.
 *	size = size of initialization control block.
 *	TARGET_QUEUE_LOCK must be released.
 *	ADAPTER_STATE_LOCK must be released.
 *
 * Returns:
 *	qlafx00 local function return status code.
 *
 * Context:
 *	Kernel context.
 */
int
qlafx00_init_firmware(scsi_qla_host_t *vha, uint16_t size)
{
	int rval;
	struct mbx_cmd_32 mc;
	struct mbx_cmd_32 *mcp = &mc;
	struct qla_hw_data *ha = vha->hw;

	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116c,
	    "Entered %s.\n", __func__);

	mcp->mb[0] = MBC_INITIALIZE_FIRMWARE;

	mcp->mb[1] = 0;
	mcp->mb[2] = MSD(ha->init_cb_dma);
	mcp->mb[3] = LSD(ha->init_cb_dma);

	mcp->out_mb = MBX_3|MBX_2|MBX_1|MBX_0;
	mcp->in_mb = MBX_0;
	mcp->buf_size = size;
	mcp->flags = MBX_DMA_OUT;
	mcp->tov = MBX_TOV_SECONDS;
	rval = qlafx00_mailbox_command(vha, mcp);

	if (rval != QLA_SUCCESS) {
		ql_dbg(ql_dbg_mbx, vha, 0x116d,
		    "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
	} else {
		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116e,
		    "Done %s.\n", __func__);
	}
	return rval;
}

/*
 * qlafx00_mbx_reg_test
 */
static int
qlafx00_mbx_reg_test(scsi_qla_host_t *vha)
{
	int rval;
	struct mbx_cmd_32 mc;
	struct mbx_cmd_32 *mcp = &mc;

	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116f,
	    "Entered %s.\n", __func__);


	mcp->mb[0] = MBC_MAILBOX_REGISTER_TEST;
	mcp->mb[1] = 0xAAAA;
	mcp->mb[2] = 0x5555;
	mcp->mb[3] = 0xAA55;
	mcp->mb[4] = 0x55AA;
	mcp->mb[5] = 0xA5A5;
	mcp->mb[6] = 0x5A5A;
	mcp->mb[7] = 0x2525;
	mcp->mb[8] = 0xBBBB;
	mcp->mb[9] = 0x6666;
	mcp->mb[10] = 0xBB66;
	mcp->mb[11] = 0x66BB;
	mcp->mb[12] = 0xB6B6;
	mcp->mb[13] = 0x6B6B;
	mcp->mb[14] = 0x3636;
	mcp->mb[15] = 0xCCCC;


	mcp->out_mb = MBX_15|MBX_14|MBX_13|MBX_12|MBX_11|MBX_10|MBX_9|MBX_8|
			MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
	mcp->in_mb = MBX_15|MBX_14|MBX_13|MBX_12|MBX_11|MBX_10|MBX_9|MBX_8|
			MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
	mcp->buf_size = 0;
	mcp->flags = MBX_DMA_OUT;
	mcp->tov = MBX_TOV_SECONDS;
	rval = qlafx00_mailbox_command(vha, mcp);
	if (rval == QLA_SUCCESS) {
		if (mcp->mb[17] != 0xAAAA || mcp->mb[18] != 0x5555 ||
		    mcp->mb[19] != 0xAA55 || mcp->mb[20] != 0x55AA)
			rval = QLA_FUNCTION_FAILED;
		if (mcp->mb[21] != 0xA5A5 || mcp->mb[22] != 0x5A5A ||
		    mcp->mb[23] != 0x2525 || mcp->mb[24] != 0xBBBB)
			rval = QLA_FUNCTION_FAILED;
		if (mcp->mb[25] != 0x6666 || mcp->mb[26] != 0xBB66 ||
		    mcp->mb[27] != 0x66BB || mcp->mb[28] != 0xB6B6)
			rval = QLA_FUNCTION_FAILED;
		if (mcp->mb[29] != 0x6B6B || mcp->mb[30] != 0x3636 ||
		    mcp->mb[31] != 0xCCCC)
			rval = QLA_FUNCTION_FAILED;
	}

	if (rval != QLA_SUCCESS) {
		ql_dbg(ql_dbg_mbx, vha, 0x1170,
		    "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
	} else {
		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1171,
		    "Done %s.\n", __func__);
	}
	return rval;
}

/**
 * qlafx00_pci_config() - Setup ISPFx00 PCI configuration registers.
 * @ha: HA context
 *
 * Returns 0 on success.
 */
int
qlafx00_pci_config(scsi_qla_host_t *vha)
{
	uint16_t w;
	struct qla_hw_data *ha = vha->hw;

	pci_set_master(ha->pdev);
	pci_try_set_mwi(ha->pdev);

	pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
	w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
	w &= ~PCI_COMMAND_INTX_DISABLE;
	pci_write_config_word(ha->pdev, PCI_COMMAND, w);

	/* PCIe -- adjust Maximum Read Request Size (2048). */
	if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
		pcie_set_readrq(ha->pdev, 2048);

	ha->chip_revision = ha->pdev->revision;

	return QLA_SUCCESS;
}

/**
 * qlafx00_warm_reset() - Perform warm reset of iSA(CPUs being reset on SOC).
 * @ha: HA context
 *
  */
static inline void
qlafx00_soc_cpu_reset(scsi_qla_host_t *vha)
{
	unsigned long flags = 0;
	struct qla_hw_data *ha = vha->hw;
	int i, core;
	uint32_t cnt;

	/* Set all 4 cores in reset */
	for (i = 0; i < 4; i++) {
		QLAFX00_SET_HBA_SOC_REG(ha,
		    (SOC_SW_RST_CONTROL_REG_CORE0 + 8*i), (0xF01));
	}

	/* Set all 4 core Clock gating control */
	for (i = 0; i < 4; i++) {
		QLAFX00_SET_HBA_SOC_REG(ha,
		    (SOC_SW_RST_CONTROL_REG_CORE0 + 4 + 8*i), (0x01010101));
	}

	/* Reset all units in Fabric */
	QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_RST_CONTROL_REG, (0x11F0101));

	/* Reset all interrupt control registers */
	for (i = 0; i < 115; i++) {
		QLAFX00_SET_HBA_SOC_REG(ha,
		    (SOC_INTERRUPT_SOURCE_I_CONTROL_REG + 4*i), (0x0));
	}

	/* Reset Timers control registers. per core */
	for (core = 0; core < 4; core++)
		for (i = 0; i < 8; i++)
			QLAFX00_SET_HBA_SOC_REG(ha,
			    (SOC_CORE_TIMER_REG + 0x100*core + 4*i), (0x0));

	/* Reset per core IRQ ack register */
	for (core = 0; core < 4; core++)
		QLAFX00_SET_HBA_SOC_REG(ha,
		    (SOC_IRQ_ACK_REG + 0x100*core), (0x3FF));

	/* Set Fabric control and config to defaults */
	QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_CONTROL_REG, (0x2));
	QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_CONFIG_REG, (0x3));

	spin_lock_irqsave(&ha->hardware_lock, flags);

	/* Kick in Fabric units */
	QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_RST_CONTROL_REG, (0x0));

	/* Kick in Core0 to start boot process */
	QLAFX00_SET_HBA_SOC_REG(ha, SOC_SW_RST_CONTROL_REG_CORE0, (0xF00));

	/* Wait 10secs for soft-reset to complete. */
	for (cnt = 10; cnt; cnt--) {
		msleep(1000);
		barrier();
	}
	spin_unlock_irqrestore(&ha->hardware_lock, flags);
}

/**
 * qlafx00_soft_reset() - Soft Reset ISPFx00.
 * @ha: HA context
 *
 * Returns 0 on success.
 */
void
qlafx00_soft_reset(scsi_qla_host_t *vha)
{
	struct qla_hw_data *ha = vha->hw;

	if (unlikely(pci_channel_offline(ha->pdev) &&
	    ha->flags.pci_channel_io_perm_failure))
		return;

	ha->isp_ops->disable_intrs(ha);
	qlafx00_soc_cpu_reset(vha);
	ha->isp_ops->enable_intrs(ha);
}

/**
 * qlafx00_chip_diag() - Test ISPFx00 for proper operation.
 * @ha: HA context
 *
 * Returns 0 on success.
 */
int
qlafx00_chip_diag(scsi_qla_host_t *vha)
{
	int rval = 0;
	struct qla_hw_data *ha = vha->hw;
	struct req_que *req = ha->req_q_map[0];

	ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;

	rval = qlafx00_mbx_reg_test(vha);
	if (rval) {
		ql_log(ql_log_warn, vha, 0x1165,
		    "Failed mailbox send register test\n");
	} else {
		/* Flag a successful rval */
		rval = QLA_SUCCESS;
	}
	return rval;
}

void
qlafx00_config_rings(struct scsi_qla_host *vha)
{
	struct qla_hw_data *ha = vha->hw;
	struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
	struct init_cb_fx *icb;
	struct req_que *req = ha->req_q_map[0];
	struct rsp_que *rsp = ha->rsp_q_map[0];

	/* Setup ring parameters in initialization control block. */
	icb = (struct init_cb_fx *)ha->init_cb;
	icb->request_q_outpointer = __constant_cpu_to_le16(0);
	icb->response_q_inpointer = __constant_cpu_to_le16(0);
	icb->request_q_length = cpu_to_le16(req->length);
	icb->response_q_length = cpu_to_le16(rsp->length);
	icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
	icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
	icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
	icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));

	WRT_REG_DWORD(&reg->req_q_in, 0);
	WRT_REG_DWORD(&reg->req_q_out, 0);

	WRT_REG_DWORD(&reg->rsp_q_in, 0);
	WRT_REG_DWORD(&reg->rsp_q_out, 0);

	/* PCI posting */
	RD_REG_DWORD(&reg->rsp_q_out);
}

char *
qlafx00_pci_info_str(struct scsi_qla_host *vha, char *str)
{
	struct qla_hw_data *ha = vha->hw;
	int pcie_reg;

	pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
	if (pcie_reg) {
		strcpy(str, "PCIe iSA");
		return str;
	}
	return str;
}

char *
qlafx00_fw_version_str(struct scsi_qla_host *vha, char *str)
{
	struct qla_hw_data *ha = vha->hw;

	sprintf(str, "%s", ha->mr.fw_version);
	return str;
}

void
qlafx00_enable_intrs(struct qla_hw_data *ha)
{
	unsigned long flags = 0;

	spin_lock_irqsave(&ha->hardware_lock, flags);
	ha->interrupts_on = 1;
	QLAFX00_ENABLE_ICNTRL_REG(ha);
	spin_unlock_irqrestore(&ha->hardware_lock, flags);
}

void
qlafx00_disable_intrs(struct qla_hw_data *ha)
{
	unsigned long flags = 0;

	spin_lock_irqsave(&ha->hardware_lock, flags);
	ha->interrupts_on = 0;
	QLAFX00_DISABLE_ICNTRL_REG(ha);
	spin_unlock_irqrestore(&ha->hardware_lock, flags);
}

static void
qlafx00_tmf_iocb_timeout(void *data)
{
	srb_t *sp = (srb_t *)data;
	struct srb_iocb *tmf = &sp->u.iocb_cmd;

710
	tmf->u.tmf.comp_status = cpu_to_le16((uint16_t)CS_TIMEOUT);
711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777
	complete(&tmf->u.tmf.comp);
}

static void
qlafx00_tmf_sp_done(void *data, void *ptr, int res)
{
	srb_t *sp = (srb_t *)ptr;
	struct srb_iocb *tmf = &sp->u.iocb_cmd;

	complete(&tmf->u.tmf.comp);
}

static int
qlafx00_async_tm_cmd(fc_port_t *fcport, uint32_t flags,
		     uint32_t lun, uint32_t tag)
{
	scsi_qla_host_t *vha = fcport->vha;
	struct srb_iocb *tm_iocb;
	srb_t *sp;
	int rval = QLA_FUNCTION_FAILED;

	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
	if (!sp)
		goto done;

	tm_iocb = &sp->u.iocb_cmd;
	sp->type = SRB_TM_CMD;
	sp->name = "tmf";
	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha));
	tm_iocb->u.tmf.flags = flags;
	tm_iocb->u.tmf.lun = lun;
	tm_iocb->u.tmf.data = tag;
	sp->done = qlafx00_tmf_sp_done;
	tm_iocb->timeout = qlafx00_tmf_iocb_timeout;
	init_completion(&tm_iocb->u.tmf.comp);

	rval = qla2x00_start_sp(sp);
	if (rval != QLA_SUCCESS)
		goto done_free_sp;

	ql_dbg(ql_dbg_async, vha, 0x507b,
	    "Task management command issued target_id=%x\n",
	    fcport->tgt_id);

	wait_for_completion(&tm_iocb->u.tmf.comp);

	rval = tm_iocb->u.tmf.comp_status == CS_COMPLETE ?
	    QLA_SUCCESS : QLA_FUNCTION_FAILED;

done_free_sp:
	sp->free(vha, sp);
done:
	return rval;
}

int
qlafx00_abort_target(fc_port_t *fcport, unsigned int l, int tag)
{
	return qlafx00_async_tm_cmd(fcport, TCF_TARGET_RESET, l, tag);
}

int
qlafx00_lun_reset(fc_port_t *fcport, unsigned int l, int tag)
{
	return qlafx00_async_tm_cmd(fcport, TCF_LUN_RESET, l, tag);
}

778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800
int
qlafx00_loop_reset(scsi_qla_host_t *vha)
{
	int ret;
	struct fc_port *fcport;
	struct qla_hw_data *ha = vha->hw;

	if (ql2xtargetreset) {
		list_for_each_entry(fcport, &vha->vp_fcports, list) {
			if (fcport->port_type != FCT_TARGET)
				continue;

			ret = ha->isp_ops->target_reset(fcport, 0, 0);
			if (ret != QLA_SUCCESS) {
				ql_dbg(ql_dbg_taskm, vha, 0x803d,
				    "Bus Reset failed: Reset=%d "
				    "d_id=%x.\n", ret, fcport->d_id.b24);
			}
		}
	}
	return QLA_SUCCESS;
}

801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943
int
qlafx00_iospace_config(struct qla_hw_data *ha)
{
	if (pci_request_selected_regions(ha->pdev, ha->bars,
	    QLA2XXX_DRIVER_NAME)) {
		ql_log_pci(ql_log_fatal, ha->pdev, 0x014e,
		    "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
		    pci_name(ha->pdev));
		goto iospace_error_exit;
	}

	/* Use MMIO operations for all accesses. */
	if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) {
		ql_log_pci(ql_log_warn, ha->pdev, 0x014f,
		    "Invalid pci I/O region size (%s).\n",
		    pci_name(ha->pdev));
		goto iospace_error_exit;
	}
	if (pci_resource_len(ha->pdev, 0) < BAR0_LEN_FX00) {
		ql_log_pci(ql_log_warn, ha->pdev, 0x0127,
		    "Invalid PCI mem BAR0 region size (%s), aborting\n",
			pci_name(ha->pdev));
		goto iospace_error_exit;
	}

	ha->cregbase =
	    ioremap_nocache(pci_resource_start(ha->pdev, 0), BAR0_LEN_FX00);
	if (!ha->cregbase) {
		ql_log_pci(ql_log_fatal, ha->pdev, 0x0128,
		    "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
		goto iospace_error_exit;
	}

	if (!(pci_resource_flags(ha->pdev, 2) & IORESOURCE_MEM)) {
		ql_log_pci(ql_log_warn, ha->pdev, 0x0129,
		    "region #2 not an MMIO resource (%s), aborting\n",
		    pci_name(ha->pdev));
		goto iospace_error_exit;
	}
	if (pci_resource_len(ha->pdev, 2) < BAR2_LEN_FX00) {
		ql_log_pci(ql_log_warn, ha->pdev, 0x012a,
		    "Invalid PCI mem BAR2 region size (%s), aborting\n",
			pci_name(ha->pdev));
		goto iospace_error_exit;
	}

	ha->iobase =
	    ioremap_nocache(pci_resource_start(ha->pdev, 2), BAR2_LEN_FX00);
	if (!ha->iobase) {
		ql_log_pci(ql_log_fatal, ha->pdev, 0x012b,
		    "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
		goto iospace_error_exit;
	}

	/* Determine queue resources */
	ha->max_req_queues = ha->max_rsp_queues = 1;

	ql_log_pci(ql_log_info, ha->pdev, 0x012c,
	    "Bars 0x%x, iobase0 0x%p, iobase2 0x%p\n",
	    ha->bars, ha->cregbase, ha->iobase);

	return 0;

iospace_error_exit:
	return -ENOMEM;
}

static void
qlafx00_save_queue_ptrs(struct scsi_qla_host *vha)
{
	struct qla_hw_data *ha = vha->hw;
	struct req_que *req = ha->req_q_map[0];
	struct rsp_que *rsp = ha->rsp_q_map[0];

	req->length_fx00 = req->length;
	req->ring_fx00 = req->ring;
	req->dma_fx00 = req->dma;

	rsp->length_fx00 = rsp->length;
	rsp->ring_fx00 = rsp->ring;
	rsp->dma_fx00 = rsp->dma;

	ql_dbg(ql_dbg_init, vha, 0x012d,
	    "req: %p, ring_fx00: %p, length_fx00: 0x%x,"
	    "req->dma_fx00: 0x%llx\n", req, req->ring_fx00,
	    req->length_fx00, (u64)req->dma_fx00);

	ql_dbg(ql_dbg_init, vha, 0x012e,
	    "rsp: %p, ring_fx00: %p, length_fx00: 0x%x,"
	    "rsp->dma_fx00: 0x%llx\n", rsp, rsp->ring_fx00,
	    rsp->length_fx00, (u64)rsp->dma_fx00);
}

static int
qlafx00_config_queues(struct scsi_qla_host *vha)
{
	struct qla_hw_data *ha = vha->hw;
	struct req_que *req = ha->req_q_map[0];
	struct rsp_que *rsp = ha->rsp_q_map[0];
	dma_addr_t bar2_hdl = pci_resource_start(ha->pdev, 2);

	req->length = ha->req_que_len;
	req->ring = (void *)ha->iobase + ha->req_que_off;
	req->dma = bar2_hdl + ha->req_que_off;
	if ((!req->ring) || (req->length == 0)) {
		ql_log_pci(ql_log_info, ha->pdev, 0x012f,
		    "Unable to allocate memory for req_ring\n");
		return QLA_FUNCTION_FAILED;
	}

	ql_dbg(ql_dbg_init, vha, 0x0130,
	    "req: %p req_ring pointer %p req len 0x%x "
	    "req off 0x%x\n, req->dma: 0x%llx",
	    req, req->ring, req->length,
	    ha->req_que_off, (u64)req->dma);

	rsp->length = ha->rsp_que_len;
	rsp->ring = (void *)ha->iobase + ha->rsp_que_off;
	rsp->dma = bar2_hdl + ha->rsp_que_off;
	if ((!rsp->ring) || (rsp->length == 0)) {
		ql_log_pci(ql_log_info, ha->pdev, 0x0131,
		    "Unable to allocate memory for rsp_ring\n");
		return QLA_FUNCTION_FAILED;
	}

	ql_dbg(ql_dbg_init, vha, 0x0132,
	    "rsp: %p rsp_ring pointer %p rsp len 0x%x "
	    "rsp off 0x%x, rsp->dma: 0x%llx\n",
	    rsp, rsp->ring, rsp->length,
	    ha->rsp_que_off, (u64)rsp->dma);

	return QLA_SUCCESS;
}

static int
qlafx00_init_fw_ready(scsi_qla_host_t *vha)
{
	int rval = 0;
	unsigned long wtime;
	uint16_t wait_time;	/* Wait time */
	struct qla_hw_data *ha = vha->hw;
	struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
	uint32_t aenmbx, aenmbx7 = 0;
944
	uint32_t pseudo_aen;
945 946 947 948 949 950
	uint32_t state[5];
	bool done = false;

	/* 30 seconds wait - Adjust if required */
	wait_time = 30;

951 952 953 954 955 956 957 958 959 960
	pseudo_aen = RD_REG_DWORD(&reg->pseudoaen);
	if (pseudo_aen == 1) {
		aenmbx7 = RD_REG_DWORD(&reg->initval7);
		ha->mbx_intr_code = MSW(aenmbx7);
		ha->rqstq_intr_code = LSW(aenmbx7);
		rval = qlafx00_driver_shutdown(vha, 10);
		if (rval != QLA_SUCCESS)
			qlafx00_soft_reset(vha);
	}

961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 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 1381 1382 1383 1384 1385
	/* wait time before firmware ready */
	wtime = jiffies + (wait_time * HZ);
	do {
		aenmbx = RD_REG_DWORD(&reg->aenmailbox0);
		barrier();
		ql_dbg(ql_dbg_mbx, vha, 0x0133,
		    "aenmbx: 0x%x\n", aenmbx);

		switch (aenmbx) {
		case MBA_FW_NOT_STARTED:
		case MBA_FW_STARTING:
			break;

		case MBA_SYSTEM_ERR:
		case MBA_REQ_TRANSFER_ERR:
		case MBA_RSP_TRANSFER_ERR:
		case MBA_FW_INIT_FAILURE:
			qlafx00_soft_reset(vha);
			break;

		case MBA_FW_RESTART_CMPLT:
			/* Set the mbx and rqstq intr code */
			aenmbx7 = RD_REG_DWORD(&reg->aenmailbox7);
			ha->mbx_intr_code = MSW(aenmbx7);
			ha->rqstq_intr_code = LSW(aenmbx7);
			ha->req_que_off = RD_REG_DWORD(&reg->aenmailbox1);
			ha->rsp_que_off = RD_REG_DWORD(&reg->aenmailbox3);
			ha->req_que_len = RD_REG_DWORD(&reg->aenmailbox5);
			ha->rsp_que_len = RD_REG_DWORD(&reg->aenmailbox6);
			WRT_REG_DWORD(&reg->aenmailbox0, 0);
			RD_REG_DWORD_RELAXED(&reg->aenmailbox0);
			ql_dbg(ql_dbg_init, vha, 0x0134,
			    "f/w returned mbx_intr_code: 0x%x, "
			    "rqstq_intr_code: 0x%x\n",
			    ha->mbx_intr_code, ha->rqstq_intr_code);
			QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
			rval = QLA_SUCCESS;
			done = true;
			break;

		default:
			/* If fw is apparently not ready. In order to continue,
			 * we might need to issue Mbox cmd, but the problem is
			 * that the DoorBell vector values that come with the
			 * 8060 AEN are most likely gone by now (and thus no
			 * bell would be rung on the fw side when mbox cmd is
			 * issued). We have to therefore grab the 8060 AEN
			 * shadow regs (filled in by FW when the last 8060
			 * AEN was being posted).
			 * Do the following to determine what is needed in
			 * order to get the FW ready:
			 * 1. reload the 8060 AEN values from the shadow regs
			 * 2. clear int status to get rid of possible pending
			 *    interrupts
			 * 3. issue Get FW State Mbox cmd to determine fw state
			 * Set the mbx and rqstq intr code from Shadow Regs
			 */
			aenmbx7 = RD_REG_DWORD(&reg->initval7);
			ha->mbx_intr_code = MSW(aenmbx7);
			ha->rqstq_intr_code = LSW(aenmbx7);
			ha->req_que_off = RD_REG_DWORD(&reg->initval1);
			ha->rsp_que_off = RD_REG_DWORD(&reg->initval3);
			ha->req_que_len = RD_REG_DWORD(&reg->initval5);
			ha->rsp_que_len = RD_REG_DWORD(&reg->initval6);
			ql_dbg(ql_dbg_init, vha, 0x0135,
			    "f/w returned mbx_intr_code: 0x%x, "
			    "rqstq_intr_code: 0x%x\n",
			    ha->mbx_intr_code, ha->rqstq_intr_code);
			QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);

			/* Get the FW state */
			rval = qlafx00_get_firmware_state(vha, state);
			if (rval != QLA_SUCCESS) {
				/* Retry if timer has not expired */
				break;
			}

			if (state[0] == FSTATE_FX00_CONFIG_WAIT) {
				/* Firmware is waiting to be
				 * initialized by driver
				 */
				rval = QLA_SUCCESS;
				done = true;
				break;
			}

			/* Issue driver shutdown and wait until f/w recovers.
			 * Driver should continue to poll until 8060 AEN is
			 * received indicating firmware recovery.
			 */
			ql_dbg(ql_dbg_init, vha, 0x0136,
			    "Sending Driver shutdown fw_state 0x%x\n",
			    state[0]);

			rval = qlafx00_driver_shutdown(vha, 10);
			if (rval != QLA_SUCCESS) {
				rval = QLA_FUNCTION_FAILED;
				break;
			}
			msleep(500);

			wtime = jiffies + (wait_time * HZ);
			break;
		}

		if (!done) {
			if (time_after_eq(jiffies, wtime)) {
				ql_dbg(ql_dbg_init, vha, 0x0137,
				    "Init f/w failed: aen[7]: 0x%x\n",
				    RD_REG_DWORD(&reg->aenmailbox7));
				rval = QLA_FUNCTION_FAILED;
				done = true;
				break;
			}
			/* Delay for a while */
			msleep(500);
		}
	} while (!done);

	if (rval)
		ql_dbg(ql_dbg_init, vha, 0x0138,
		    "%s **** FAILED ****.\n", __func__);
	else
		ql_dbg(ql_dbg_init, vha, 0x0139,
		    "%s **** SUCCESS ****.\n", __func__);

	return rval;
}

/*
 * qlafx00_fw_ready() - Waits for firmware ready.
 * @ha: HA context
 *
 * Returns 0 on success.
 */
int
qlafx00_fw_ready(scsi_qla_host_t *vha)
{
	int		rval;
	unsigned long	wtime;
	uint16_t	wait_time;	/* Wait time if loop is coming ready */
	uint32_t	state[5];

	rval = QLA_SUCCESS;

	wait_time = 10;

	/* wait time before firmware ready */
	wtime = jiffies + (wait_time * HZ);

	/* Wait for ISP to finish init */
	if (!vha->flags.init_done)
		ql_dbg(ql_dbg_init, vha, 0x013a,
		    "Waiting for init to complete...\n");

	do {
		rval = qlafx00_get_firmware_state(vha, state);

		if (rval == QLA_SUCCESS) {
			if (state[0] == FSTATE_FX00_INITIALIZED) {
				ql_dbg(ql_dbg_init, vha, 0x013b,
				    "fw_state=%x\n", state[0]);
				rval = QLA_SUCCESS;
					break;
			}
		}
		rval = QLA_FUNCTION_FAILED;

		if (time_after_eq(jiffies, wtime))
			break;

		/* Delay for a while */
		msleep(500);

		ql_dbg(ql_dbg_init, vha, 0x013c,
		    "fw_state=%x curr time=%lx.\n", state[0], jiffies);
	} while (1);


	if (rval)
		ql_dbg(ql_dbg_init, vha, 0x013d,
		    "Firmware ready **** FAILED ****.\n");
	else
		ql_dbg(ql_dbg_init, vha, 0x013e,
		    "Firmware ready **** SUCCESS ****.\n");

	return rval;
}

static int
qlafx00_find_all_targets(scsi_qla_host_t *vha,
	struct list_head *new_fcports)
{
	int		rval;
	uint16_t	tgt_id;
	fc_port_t	*fcport, *new_fcport;
	int		found;
	struct qla_hw_data *ha = vha->hw;

	rval = QLA_SUCCESS;

	if (!test_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags))
		return QLA_FUNCTION_FAILED;

	if ((atomic_read(&vha->loop_down_timer) ||
	     STATE_TRANSITION(vha))) {
		atomic_set(&vha->loop_down_timer, 0);
		set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
		return QLA_FUNCTION_FAILED;
	}

	ql_dbg(ql_dbg_disc + ql_dbg_init, vha, 0x2088,
	    "Listing Target bit map...\n");
	ql_dump_buffer(ql_dbg_disc + ql_dbg_init, vha,
	    0x2089, (uint8_t *)ha->gid_list, 32);

	/* Allocate temporary rmtport for any new rmtports discovered. */
	new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
	if (new_fcport == NULL)
		return QLA_MEMORY_ALLOC_FAILED;

	for_each_set_bit(tgt_id, (void *)ha->gid_list,
	    QLAFX00_TGT_NODE_LIST_SIZE) {

		/* Send get target node info */
		new_fcport->tgt_id = tgt_id;
		rval = qlafx00_fx_disc(vha, new_fcport,
		    FXDISC_GET_TGT_NODE_INFO);
		if (rval != QLA_SUCCESS) {
			ql_log(ql_log_warn, vha, 0x208a,
			    "Target info scan failed -- assuming zero-entry "
			    "result...\n");
			continue;
		}

		/* Locate matching device in database. */
		found = 0;
		list_for_each_entry(fcport, &vha->vp_fcports, list) {
			if (memcmp(new_fcport->port_name,
			    fcport->port_name, WWN_SIZE))
				continue;

			found++;

			/*
			 * If tgt_id is same and state FCS_ONLINE, nothing
			 * changed.
			 */
			if (fcport->tgt_id == new_fcport->tgt_id &&
			    atomic_read(&fcport->state) == FCS_ONLINE)
				break;

			/*
			 * Tgt ID changed or device was marked to be updated.
			 */
			ql_dbg(ql_dbg_disc + ql_dbg_init, vha, 0x208b,
			    "TGT-ID Change(%s): Present tgt id: "
			    "0x%x state: 0x%x "
			    "wwnn = %llx wwpn = %llx.\n",
			    __func__, fcport->tgt_id,
			    atomic_read(&fcport->state),
			    (unsigned long long)wwn_to_u64(fcport->node_name),
			    (unsigned long long)wwn_to_u64(fcport->port_name));

			ql_log(ql_log_info, vha, 0x208c,
			    "TGT-ID Announce(%s): Discovered tgt "
			    "id 0x%x wwnn = %llx "
			    "wwpn = %llx.\n", __func__, new_fcport->tgt_id,
			    (unsigned long long)
			    wwn_to_u64(new_fcport->node_name),
			    (unsigned long long)
			    wwn_to_u64(new_fcport->port_name));

			if (atomic_read(&fcport->state) != FCS_ONLINE) {
				fcport->old_tgt_id = fcport->tgt_id;
				fcport->tgt_id = new_fcport->tgt_id;
				ql_log(ql_log_info, vha, 0x208d,
				   "TGT-ID: New fcport Added: %p\n", fcport);
				qla2x00_update_fcport(vha, fcport);
			} else {
				ql_log(ql_log_info, vha, 0x208e,
				    " Existing TGT-ID %x did not get "
				    " offline event from firmware.\n",
				    fcport->old_tgt_id);
				qla2x00_mark_device_lost(vha, fcport, 0, 0);
				set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
				kfree(new_fcport);
				return rval;
			}
			break;
		}

		if (found)
			continue;

		/* If device was not in our fcports list, then add it. */
		list_add_tail(&new_fcport->list, new_fcports);

		/* Allocate a new replacement fcport. */
		new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
		if (new_fcport == NULL)
			return QLA_MEMORY_ALLOC_FAILED;
	}

	kfree(new_fcport);
	return rval;
}

/*
 * qlafx00_configure_all_targets
 *      Setup target devices with node ID's.
 *
 * Input:
 *      ha = adapter block pointer.
 *
 * Returns:
 *      0 = success.
 *      BIT_0 = error
 */
static int
qlafx00_configure_all_targets(scsi_qla_host_t *vha)
{
	int rval;
	fc_port_t *fcport, *rmptemp;
	LIST_HEAD(new_fcports);

	rval = qlafx00_fx_disc(vha, &vha->hw->mr.fcport,
	    FXDISC_GET_TGT_NODE_LIST);
	if (rval != QLA_SUCCESS) {
		set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
		return rval;
	}

	rval = qlafx00_find_all_targets(vha, &new_fcports);
	if (rval != QLA_SUCCESS) {
		set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
		return rval;
	}

	/*
	 * Delete all previous devices marked lost.
	 */
	list_for_each_entry(fcport, &vha->vp_fcports, list) {
		if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
			break;

		if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
			if (fcport->port_type != FCT_INITIATOR)
				qla2x00_mark_device_lost(vha, fcport, 0, 0);
		}
	}

	/*
	 * Add the new devices to our devices list.
	 */
	list_for_each_entry_safe(fcport, rmptemp, &new_fcports, list) {
		if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
			break;

		qla2x00_update_fcport(vha, fcport);
		list_move_tail(&fcport->list, &vha->vp_fcports);
		ql_log(ql_log_info, vha, 0x208f,
		    "Attach new target id 0x%x wwnn = %llx "
		    "wwpn = %llx.\n",
		    fcport->tgt_id,
		    (unsigned long long)wwn_to_u64(fcport->node_name),
		    (unsigned long long)wwn_to_u64(fcport->port_name));
	}

	/* Free all new device structures not processed. */
	list_for_each_entry_safe(fcport, rmptemp, &new_fcports, list) {
		list_del(&fcport->list);
		kfree(fcport);
	}

	return rval;
}

/*
 * qlafx00_configure_devices
 *      Updates Fibre Channel Device Database with what is actually on loop.
 *
 * Input:
 *      ha                = adapter block pointer.
 *
 * Returns:
 *      0 = success.
 *      1 = error.
 *      2 = database was full and device was not configured.
 */
int
qlafx00_configure_devices(scsi_qla_host_t *vha)
{
	int  rval;
	unsigned long flags, save_flags;
	rval = QLA_SUCCESS;

	save_flags = flags = vha->dpc_flags;

	ql_dbg(ql_dbg_disc, vha, 0x2090,
	    "Configure devices -- dpc flags =0x%lx\n", flags);

	rval = qlafx00_configure_all_targets(vha);

	if (rval == QLA_SUCCESS) {
		if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
			rval = QLA_FUNCTION_FAILED;
		} else {
			atomic_set(&vha->loop_state, LOOP_READY);
			ql_log(ql_log_info, vha, 0x2091,
			    "Device Ready\n");
		}
	}

	if (rval) {
		ql_dbg(ql_dbg_disc, vha, 0x2092,
		    "%s *** FAILED ***.\n", __func__);
	} else {
		ql_dbg(ql_dbg_disc, vha, 0x2093,
		    "%s: exiting normally.\n", __func__);
	}
	return rval;
}

static void
1386
qlafx00_abort_isp_cleanup(scsi_qla_host_t *vha, bool critemp)
1387 1388 1389 1390 1391 1392 1393
{
	struct qla_hw_data *ha = vha->hw;
	fc_port_t *fcport;

	vha->flags.online = 0;
	ha->mr.fw_hbt_en = 0;

1394 1395 1396 1397 1398 1399 1400 1401
	if (!critemp) {
		ha->flags.chip_reset_done = 0;
		clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
		vha->qla_stats.total_isp_aborts++;
		ql_log(ql_log_info, vha, 0x013f,
		    "Performing ISP error recovery - ha = %p.\n", ha);
		ha->isp_ops->reset_chip(vha);
	}
1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420

	if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
		atomic_set(&vha->loop_state, LOOP_DOWN);
		atomic_set(&vha->loop_down_timer,
		    QLAFX00_LOOP_DOWN_TIME);
	} else {
		if (!atomic_read(&vha->loop_down_timer))
			atomic_set(&vha->loop_down_timer,
			    QLAFX00_LOOP_DOWN_TIME);
	}

	/* Clear all async request states across all VPs. */
	list_for_each_entry(fcport, &vha->vp_fcports, list) {
		fcport->flags = 0;
		if (atomic_read(&fcport->state) == FCS_ONLINE)
			qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
	}

	if (!ha->flags.eeh_busy) {
1421 1422 1423 1424 1425 1426
		if (critemp) {
			qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
		} else {
			/* Requeue all commands in outstanding command list. */
			qla2x00_abort_all_cmds(vha, DID_RESET << 16);
		}
1427 1428 1429
	}

	qla2x00_free_irqs(vha);
1430 1431 1432 1433
	if (critemp)
		set_bit(FX00_CRITEMP_RECOVERY, &vha->dpc_flags);
	else
		set_bit(FX00_RESET_RECOVERY, &vha->dpc_flags);
1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462

	/* Clear the Interrupts */
	QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);

	ql_log(ql_log_info, vha, 0x0140,
	    "%s Done done - ha=%p.\n", __func__, ha);
}

/**
 * qlafx00_init_response_q_entries() - Initializes response queue entries.
 * @ha: HA context
 *
 * Beginning of request ring has initialization control block already built
 * by nvram config routine.
 *
 * Returns 0 on success.
 */
void
qlafx00_init_response_q_entries(struct rsp_que *rsp)
{
	uint16_t cnt;
	response_t *pkt;

	rsp->ring_ptr = rsp->ring;
	rsp->ring_index    = 0;
	rsp->status_srb = NULL;
	pkt = rsp->ring_ptr;
	for (cnt = 0; cnt < rsp->length; cnt++) {
		pkt->signature = RESPONSE_PROCESSED;
1463 1464
		WRT_REG_DWORD((void __iomem *)&pkt->signature,
		    RESPONSE_PROCESSED);
1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519
		pkt++;
	}
}

int
qlafx00_rescan_isp(scsi_qla_host_t *vha)
{
	uint32_t status = QLA_FUNCTION_FAILED;
	struct qla_hw_data *ha = vha->hw;
	struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
	uint32_t aenmbx7;

	qla2x00_request_irqs(ha, ha->rsp_q_map[0]);

	aenmbx7 = RD_REG_DWORD(&reg->aenmailbox7);
	ha->mbx_intr_code = MSW(aenmbx7);
	ha->rqstq_intr_code = LSW(aenmbx7);
	ha->req_que_off = RD_REG_DWORD(&reg->aenmailbox1);
	ha->rsp_que_off = RD_REG_DWORD(&reg->aenmailbox3);
	ha->req_que_len = RD_REG_DWORD(&reg->aenmailbox5);
	ha->rsp_que_len = RD_REG_DWORD(&reg->aenmailbox6);

	ql_dbg(ql_dbg_disc, vha, 0x2094,
	    "fw returned mbx_intr_code: 0x%x, rqstq_intr_code: 0x%x "
	    " Req que offset 0x%x Rsp que offset 0x%x\n",
	    ha->mbx_intr_code, ha->rqstq_intr_code,
	    ha->req_que_off, ha->rsp_que_len);

	/* Clear the Interrupts */
	QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);

	status = qla2x00_init_rings(vha);
	if (!status) {
		vha->flags.online = 1;

		/* if no cable then assume it's good */
		if ((vha->device_flags & DFLG_NO_CABLE))
			status = 0;
		/* Register system information */
		if (qlafx00_fx_disc(vha,
		    &vha->hw->mr.fcport, FXDISC_REG_HOST_INFO))
			ql_dbg(ql_dbg_disc, vha, 0x2095,
			    "failed to register host info\n");
	}
	scsi_unblock_requests(vha->host);
	return status;
}

void
qlafx00_timer_routine(scsi_qla_host_t *vha)
{
	struct qla_hw_data *ha = vha->hw;
	uint32_t fw_heart_beat;
	uint32_t aenmbx0;
	struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
1520
	uint32_t tempc;
1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584

	/* Check firmware health */
	if (ha->mr.fw_hbt_cnt)
		ha->mr.fw_hbt_cnt--;
	else {
		if ((!ha->flags.mr_reset_hdlr_active) &&
		    (!test_bit(UNLOADING, &vha->dpc_flags)) &&
		    (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) &&
		    (ha->mr.fw_hbt_en)) {
			fw_heart_beat = RD_REG_DWORD(&reg->fwheartbeat);
			if (fw_heart_beat != ha->mr.old_fw_hbt_cnt) {
				ha->mr.old_fw_hbt_cnt = fw_heart_beat;
				ha->mr.fw_hbt_miss_cnt = 0;
			} else {
				ha->mr.fw_hbt_miss_cnt++;
				if (ha->mr.fw_hbt_miss_cnt ==
				    QLAFX00_HEARTBEAT_MISS_CNT) {
					set_bit(ISP_ABORT_NEEDED,
					    &vha->dpc_flags);
					qla2xxx_wake_dpc(vha);
					ha->mr.fw_hbt_miss_cnt = 0;
				}
			}
		}
		ha->mr.fw_hbt_cnt = QLAFX00_HEARTBEAT_INTERVAL;
	}

	if (test_bit(FX00_RESET_RECOVERY, &vha->dpc_flags)) {
		/* Reset recovery to be performed in timer routine */
		aenmbx0 = RD_REG_DWORD(&reg->aenmailbox0);
		if (ha->mr.fw_reset_timer_exp) {
			set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
			qla2xxx_wake_dpc(vha);
			ha->mr.fw_reset_timer_exp = 0;
		} else if (aenmbx0 == MBA_FW_RESTART_CMPLT) {
			/* Wake up DPC to rescan the targets */
			set_bit(FX00_TARGET_SCAN, &vha->dpc_flags);
			clear_bit(FX00_RESET_RECOVERY, &vha->dpc_flags);
			qla2xxx_wake_dpc(vha);
			ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
		} else if ((aenmbx0 == MBA_FW_STARTING) &&
		    (!ha->mr.fw_hbt_en)) {
			ha->mr.fw_hbt_en = 1;
		} else if (!ha->mr.fw_reset_timer_tick) {
			if (aenmbx0 == ha->mr.old_aenmbx0_state)
				ha->mr.fw_reset_timer_exp = 1;
			ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
		} else if (aenmbx0 == 0xFFFFFFFF) {
			uint32_t data0, data1;

			data0 = QLAFX00_RD_REG(ha,
			    QLAFX00_BAR1_BASE_ADDR_REG);
			data1 = QLAFX00_RD_REG(ha,
			    QLAFX00_PEX0_WIN0_BASE_ADDR_REG);

			data0 &= 0xffff0000;
			data1 &= 0x0000ffff;

			QLAFX00_WR_REG(ha,
			    QLAFX00_PEX0_WIN0_BASE_ADDR_REG,
			    (data0 | data1));
		} else if ((aenmbx0 & 0xFF00) == MBA_FW_POLL_STATE) {
			ha->mr.fw_reset_timer_tick =
			    QLAFX00_MAX_RESET_INTERVAL;
1585 1586 1587
		} else if (aenmbx0 == MBA_FW_RESET_FCT) {
			ha->mr.fw_reset_timer_tick =
			    QLAFX00_MAX_RESET_INTERVAL;
1588 1589 1590 1591
		}
		ha->mr.old_aenmbx0_state = aenmbx0;
		ha->mr.fw_reset_timer_tick--;
	}
1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614
	if (test_bit(FX00_CRITEMP_RECOVERY, &vha->dpc_flags)) {
		/*
		 * Critical temperature recovery to be
		 * performed in timer routine
		 */
		if (ha->mr.fw_critemp_timer_tick == 0) {
			tempc = QLAFX00_GET_TEMPERATURE(ha);
			ql_log(ql_dbg_timer, vha, 0x6012,
			    "ISPFx00(%s): Critical temp timer, "
			    "current SOC temperature: %d\n",
			    __func__, tempc);
			if (tempc < ha->mr.critical_temperature) {
				set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
				clear_bit(FX00_CRITEMP_RECOVERY,
				    &vha->dpc_flags);
				qla2xxx_wake_dpc(vha);
			}
			ha->mr.fw_critemp_timer_tick =
			    QLAFX00_CRITEMP_INTERVAL;
		} else {
			ha->mr.fw_critemp_timer_tick--;
		}
	}
1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641
}

/*
 *  qlfx00a_reset_initialize
 *      Re-initialize after a iSA device reset.
 *
 * Input:
 *      ha  = adapter block pointer.
 *
 * Returns:
 *      0 = success
 */
int
qlafx00_reset_initialize(scsi_qla_host_t *vha)
{
	struct qla_hw_data *ha = vha->hw;

	if (vha->device_flags & DFLG_DEV_FAILED) {
		ql_dbg(ql_dbg_init, vha, 0x0142,
		    "Device in failed state\n");
		return QLA_SUCCESS;
	}

	ha->flags.mr_reset_hdlr_active = 1;

	if (vha->flags.online) {
		scsi_block_requests(vha->host);
1642
		qlafx00_abort_isp_cleanup(vha, false);
1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673
	}

	ql_log(ql_log_info, vha, 0x0143,
	    "(%s): succeeded.\n", __func__);
	ha->flags.mr_reset_hdlr_active = 0;
	return QLA_SUCCESS;
}

/*
 *  qlafx00_abort_isp
 *      Resets ISP and aborts all outstanding commands.
 *
 * Input:
 *      ha  = adapter block pointer.
 *
 * Returns:
 *      0 = success
 */
int
qlafx00_abort_isp(scsi_qla_host_t *vha)
{
	struct qla_hw_data *ha = vha->hw;

	if (vha->flags.online) {
		if (unlikely(pci_channel_offline(ha->pdev) &&
		    ha->flags.pci_channel_io_perm_failure)) {
			clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
			return QLA_SUCCESS;
		}

		scsi_block_requests(vha->host);
1674
		qlafx00_abort_isp_cleanup(vha, false);
1675 1676 1677 1678 1679 1680 1681 1682
	} else {
		scsi_block_requests(vha->host);
		clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
		vha->qla_stats.total_isp_aborts++;
		ha->isp_ops->reset_chip(vha);
		set_bit(FX00_RESET_RECOVERY, &vha->dpc_flags);
		/* Clear the Interrupts */
		QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767
	}

	ql_log(ql_log_info, vha, 0x0145,
	    "(%s): succeeded.\n", __func__);

	return QLA_SUCCESS;
}

static inline fc_port_t*
qlafx00_get_fcport(struct scsi_qla_host *vha, int tgt_id)
{
	fc_port_t	*fcport;

	/* Check for matching device in remote port list. */
	fcport = NULL;
	list_for_each_entry(fcport, &vha->vp_fcports, list) {
		if (fcport->tgt_id == tgt_id) {
			ql_dbg(ql_dbg_async, vha, 0x5072,
			    "Matching fcport(%p) found with TGT-ID: 0x%x "
			    "and Remote TGT_ID: 0x%x\n",
			    fcport, fcport->tgt_id, tgt_id);
			break;
		}
	}
	return fcport;
}

static void
qlafx00_tgt_detach(struct scsi_qla_host *vha, int tgt_id)
{
	fc_port_t	*fcport;

	ql_log(ql_log_info, vha, 0x5073,
	    "Detach TGT-ID: 0x%x\n", tgt_id);

	fcport = qlafx00_get_fcport(vha, tgt_id);
	if (!fcport)
		return;

	qla2x00_mark_device_lost(vha, fcport, 0, 0);

	return;
}

int
qlafx00_process_aen(struct scsi_qla_host *vha, struct qla_work_evt *evt)
{
	int rval = 0;
	uint32_t aen_code, aen_data;

	aen_code = FCH_EVT_VENDOR_UNIQUE;
	aen_data = evt->u.aenfx.evtcode;

	switch (evt->u.aenfx.evtcode) {
	case QLAFX00_MBA_PORT_UPDATE:		/* Port database update */
		if (evt->u.aenfx.mbx[1] == 0) {
			if (evt->u.aenfx.mbx[2] == 1) {
				if (!vha->flags.fw_tgt_reported)
					vha->flags.fw_tgt_reported = 1;
				atomic_set(&vha->loop_down_timer, 0);
				atomic_set(&vha->loop_state, LOOP_UP);
				set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
				qla2xxx_wake_dpc(vha);
			} else if (evt->u.aenfx.mbx[2] == 2) {
				qlafx00_tgt_detach(vha, evt->u.aenfx.mbx[3]);
			}
		} else if (evt->u.aenfx.mbx[1] == 0xffff) {
			if (evt->u.aenfx.mbx[2] == 1) {
				if (!vha->flags.fw_tgt_reported)
					vha->flags.fw_tgt_reported = 1;
				set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
			} else if (evt->u.aenfx.mbx[2] == 2) {
				vha->device_flags |= DFLG_NO_CABLE;
				qla2x00_mark_all_devices_lost(vha, 1);
			}
		}
		break;
	case QLAFX00_MBA_LINK_UP:
		aen_code = FCH_EVT_LINKUP;
		aen_data = 0;
		break;
	case QLAFX00_MBA_LINK_DOWN:
		aen_code = FCH_EVT_LINKDOWN;
		aen_data = 0;
		break;
1768 1769 1770 1771 1772 1773 1774 1775 1776 1777
	case QLAFX00_MBA_TEMP_OVER:
	case QLAFX00_MBA_TEMP_CRIT:	/* Critical temperature event */
		ql_log(ql_log_info, vha, 0x5082,
		    "Process critical temperature event "
		    "aenmb[0]: %x\n",
		    evt->u.aenfx.evtcode);
		scsi_block_requests(vha->host);
		qlafx00_abort_isp_cleanup(vha, true);
		scsi_unblock_requests(vha->host);
		break;
1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823
	}

	fc_host_post_event(vha->host, fc_get_event_number(),
	    aen_code, aen_data);

	return rval;
}

static void
qlafx00_update_host_attr(scsi_qla_host_t *vha, struct port_info_data *pinfo)
{
	u64 port_name = 0, node_name = 0;

	port_name = (unsigned long long)wwn_to_u64(pinfo->port_name);
	node_name = (unsigned long long)wwn_to_u64(pinfo->node_name);

	fc_host_node_name(vha->host) = node_name;
	fc_host_port_name(vha->host) = port_name;
	if (!pinfo->port_type)
		vha->hw->current_topology = ISP_CFG_F;
	if (pinfo->link_status == QLAFX00_LINK_STATUS_UP)
		atomic_set(&vha->loop_state, LOOP_READY);
	else if (pinfo->link_status == QLAFX00_LINK_STATUS_DOWN)
		atomic_set(&vha->loop_state, LOOP_DOWN);
	vha->hw->link_data_rate = (uint16_t)pinfo->link_config;
}

static void
qla2x00_fxdisc_iocb_timeout(void *data)
{
	srb_t *sp = (srb_t *)data;
	struct srb_iocb *lio = &sp->u.iocb_cmd;

	complete(&lio->u.fxiocb.fxiocb_comp);
}

static void
qla2x00_fxdisc_sp_done(void *data, void *ptr, int res)
{
	srb_t *sp = (srb_t *)ptr;
	struct srb_iocb *lio = &sp->u.iocb_cmd;

	complete(&lio->u.fxiocb.fxiocb_comp);
}

int
1824
qlafx00_fx_disc(scsi_qla_host_t *vha, fc_port_t *fcport, uint16_t fx_type)
1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849
{
	srb_t *sp;
	struct srb_iocb *fdisc;
	int rval = QLA_FUNCTION_FAILED;
	struct qla_hw_data *ha = vha->hw;
	struct host_system_info *phost_info;
	struct register_host_info *preg_hsi;
	struct new_utsname *p_sysid = NULL;
	struct timeval tv;

	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
	if (!sp)
		goto done;

	fdisc = &sp->u.iocb_cmd;
	switch (fx_type) {
	case FXDISC_GET_CONFIG_INFO:
	fdisc->u.fxiocb.flags =
		    SRB_FXDISC_RESP_DMA_VALID;
		fdisc->u.fxiocb.rsp_len = sizeof(struct config_info_data);
		break;
	case FXDISC_GET_PORT_INFO:
		fdisc->u.fxiocb.flags =
		    SRB_FXDISC_RESP_DMA_VALID | SRB_FXDISC_REQ_DWRD_VALID;
		fdisc->u.fxiocb.rsp_len = QLAFX00_PORT_DATA_INFO;
1850
		fdisc->u.fxiocb.req_data = cpu_to_le32(fcport->port_id);
1851 1852 1853 1854 1855
		break;
	case FXDISC_GET_TGT_NODE_INFO:
		fdisc->u.fxiocb.flags =
		    SRB_FXDISC_RESP_DMA_VALID | SRB_FXDISC_REQ_DWRD_VALID;
		fdisc->u.fxiocb.rsp_len = QLAFX00_TGT_NODE_INFO;
1856
		fdisc->u.fxiocb.req_data = cpu_to_le32(fcport->tgt_id);
1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941
		break;
	case FXDISC_GET_TGT_NODE_LIST:
		fdisc->u.fxiocb.flags =
		    SRB_FXDISC_RESP_DMA_VALID | SRB_FXDISC_REQ_DWRD_VALID;
		fdisc->u.fxiocb.rsp_len = QLAFX00_TGT_NODE_LIST_SIZE;
		break;
	case FXDISC_REG_HOST_INFO:
		fdisc->u.fxiocb.flags = SRB_FXDISC_REQ_DMA_VALID;
		fdisc->u.fxiocb.req_len = sizeof(struct register_host_info);
		p_sysid = utsname();
		if (!p_sysid) {
			ql_log(ql_log_warn, vha, 0x303c,
			    "Not able to get the system informtion\n");
			goto done_free_sp;
		}
		break;
	default:
		break;
	}

	if (fdisc->u.fxiocb.flags & SRB_FXDISC_REQ_DMA_VALID) {
		fdisc->u.fxiocb.req_addr = dma_alloc_coherent(&ha->pdev->dev,
		    fdisc->u.fxiocb.req_len,
		    &fdisc->u.fxiocb.req_dma_handle, GFP_KERNEL);
		if (!fdisc->u.fxiocb.req_addr)
			goto done_free_sp;

		if (fx_type == FXDISC_REG_HOST_INFO) {
			preg_hsi = (struct register_host_info *)
				fdisc->u.fxiocb.req_addr;
			phost_info = &preg_hsi->hsi;
			memset(preg_hsi, 0, sizeof(struct register_host_info));
			phost_info->os_type = OS_TYPE_LINUX;
			strncpy(phost_info->sysname,
			    p_sysid->sysname, SYSNAME_LENGTH);
			strncpy(phost_info->nodename,
			    p_sysid->nodename, NODENAME_LENGTH);
			strncpy(phost_info->release,
			    p_sysid->release, RELEASE_LENGTH);
			strncpy(phost_info->version,
			    p_sysid->version, VERSION_LENGTH);
			strncpy(phost_info->machine,
			    p_sysid->machine, MACHINE_LENGTH);
			strncpy(phost_info->domainname,
			    p_sysid->domainname, DOMNAME_LENGTH);
			strncpy(phost_info->hostdriver,
			    QLA2XXX_VERSION, VERSION_LENGTH);
			do_gettimeofday(&tv);
			preg_hsi->utc = (uint64_t)tv.tv_sec;
			ql_dbg(ql_dbg_init, vha, 0x0149,
			    "ISP%04X: Host registration with firmware\n",
			    ha->pdev->device);
			ql_dbg(ql_dbg_init, vha, 0x014a,
			    "os_type = '%d', sysname = '%s', nodname = '%s'\n",
			    phost_info->os_type,
			    phost_info->sysname,
			    phost_info->nodename);
			ql_dbg(ql_dbg_init, vha, 0x014b,
			    "release = '%s', version = '%s'\n",
			    phost_info->release,
			    phost_info->version);
			ql_dbg(ql_dbg_init, vha, 0x014c,
			    "machine = '%s' "
			    "domainname = '%s', hostdriver = '%s'\n",
			    phost_info->machine,
			    phost_info->domainname,
			    phost_info->hostdriver);
			ql_dump_buffer(ql_dbg_init + ql_dbg_disc, vha, 0x014d,
			    (uint8_t *)phost_info,
			    sizeof(struct host_system_info));
		}
	}

	if (fdisc->u.fxiocb.flags & SRB_FXDISC_RESP_DMA_VALID) {
		fdisc->u.fxiocb.rsp_addr = dma_alloc_coherent(&ha->pdev->dev,
		    fdisc->u.fxiocb.rsp_len,
		    &fdisc->u.fxiocb.rsp_dma_handle, GFP_KERNEL);
		if (!fdisc->u.fxiocb.rsp_addr)
			goto done_unmap_req;
	}

	sp->type = SRB_FXIOCB_DCMD;
	sp->name = "fxdisc";
	qla2x00_init_timer(sp, FXDISC_TIMEOUT);
	fdisc->timeout = qla2x00_fxdisc_iocb_timeout;
1942
	fdisc->u.fxiocb.req_func_type = cpu_to_le16(fx_type);
1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968
	sp->done = qla2x00_fxdisc_sp_done;

	rval = qla2x00_start_sp(sp);
	if (rval != QLA_SUCCESS)
		goto done_unmap_dma;

	wait_for_completion(&fdisc->u.fxiocb.fxiocb_comp);

	if (fx_type == FXDISC_GET_CONFIG_INFO) {
		struct config_info_data *pinfo =
		    (struct config_info_data *) fdisc->u.fxiocb.rsp_addr;
		memcpy(&vha->hw->mr.product_name, pinfo->product_name,
		    sizeof(vha->hw->mr.product_name));
		memcpy(&vha->hw->mr.symbolic_name, pinfo->symbolic_name,
		    sizeof(vha->hw->mr.symbolic_name));
		memcpy(&vha->hw->mr.serial_num, pinfo->serial_num,
		    sizeof(vha->hw->mr.serial_num));
		memcpy(&vha->hw->mr.hw_version, pinfo->hw_version,
		    sizeof(vha->hw->mr.hw_version));
		memcpy(&vha->hw->mr.fw_version, pinfo->fw_version,
		    sizeof(vha->hw->mr.fw_version));
		strim(vha->hw->mr.fw_version);
		memcpy(&vha->hw->mr.uboot_version, pinfo->uboot_version,
		    sizeof(vha->hw->mr.uboot_version));
		memcpy(&vha->hw->mr.fru_serial_num, pinfo->fru_serial_num,
		    sizeof(vha->hw->mr.fru_serial_num));
1969
		vha->hw->mr.critical_temperature = pinfo->nominal_temp_value;
1970 1971
		ha->mr.extended_io_enabled = (pinfo->enabled_capabilities &
		    QLAFX00_EXTENDED_IO_EN_MASK) != 0;
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
	} else if (fx_type == FXDISC_GET_PORT_INFO) {
		struct port_info_data *pinfo =
		    (struct port_info_data *) fdisc->u.fxiocb.rsp_addr;
		memcpy(vha->node_name, pinfo->node_name, WWN_SIZE);
		memcpy(vha->port_name, pinfo->port_name, WWN_SIZE);
		vha->d_id.b.domain = pinfo->port_id[0];
		vha->d_id.b.area = pinfo->port_id[1];
		vha->d_id.b.al_pa = pinfo->port_id[2];
		qlafx00_update_host_attr(vha, pinfo);
		ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0141,
		    (uint8_t *)pinfo, 16);
	} else if (fx_type == FXDISC_GET_TGT_NODE_INFO) {
		struct qlafx00_tgt_node_info *pinfo =
		    (struct qlafx00_tgt_node_info *) fdisc->u.fxiocb.rsp_addr;
		memcpy(fcport->node_name, pinfo->tgt_node_wwnn, WWN_SIZE);
		memcpy(fcport->port_name, pinfo->tgt_node_wwpn, WWN_SIZE);
		fcport->port_type = FCT_TARGET;
		ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0144,
		    (uint8_t *)pinfo, 16);
	} else if (fx_type == FXDISC_GET_TGT_NODE_LIST) {
		struct qlafx00_tgt_node_info *pinfo =
		    (struct qlafx00_tgt_node_info *) fdisc->u.fxiocb.rsp_addr;
		ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0146,
		    (uint8_t *)pinfo, 16);
		memcpy(vha->hw->gid_list, pinfo, QLAFX00_TGT_NODE_LIST_SIZE);
	}
1998
	rval = le32_to_cpu(fdisc->u.fxiocb.result);
1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020

done_unmap_dma:
	if (fdisc->u.fxiocb.rsp_addr)
		dma_free_coherent(&ha->pdev->dev, fdisc->u.fxiocb.rsp_len,
		    fdisc->u.fxiocb.rsp_addr, fdisc->u.fxiocb.rsp_dma_handle);

done_unmap_req:
	if (fdisc->u.fxiocb.req_addr)
		dma_free_coherent(&ha->pdev->dev, fdisc->u.fxiocb.req_len,
		    fdisc->u.fxiocb.req_addr, fdisc->u.fxiocb.req_dma_handle);
done_free_sp:
	sp->free(vha, sp);
done:
	return rval;
}

static void
qlafx00_abort_iocb_timeout(void *data)
{
	srb_t *sp = (srb_t *)data;
	struct srb_iocb *abt = &sp->u.iocb_cmd;

2021
	abt->u.abt.comp_status = cpu_to_le16((uint16_t)CS_TIMEOUT);
2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111 2112 2113
	complete(&abt->u.abt.comp);
}

static void
qlafx00_abort_sp_done(void *data, void *ptr, int res)
{
	srb_t *sp = (srb_t *)ptr;
	struct srb_iocb *abt = &sp->u.iocb_cmd;

	complete(&abt->u.abt.comp);
}

static int
qlafx00_async_abt_cmd(srb_t *cmd_sp)
{
	scsi_qla_host_t *vha = cmd_sp->fcport->vha;
	fc_port_t *fcport = cmd_sp->fcport;
	struct srb_iocb *abt_iocb;
	srb_t *sp;
	int rval = QLA_FUNCTION_FAILED;

	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
	if (!sp)
		goto done;

	abt_iocb = &sp->u.iocb_cmd;
	sp->type = SRB_ABT_CMD;
	sp->name = "abort";
	qla2x00_init_timer(sp, FXDISC_TIMEOUT);
	abt_iocb->u.abt.cmd_hndl = cmd_sp->handle;
	sp->done = qlafx00_abort_sp_done;
	abt_iocb->timeout = qlafx00_abort_iocb_timeout;
	init_completion(&abt_iocb->u.abt.comp);

	rval = qla2x00_start_sp(sp);
	if (rval != QLA_SUCCESS)
		goto done_free_sp;

	ql_dbg(ql_dbg_async, vha, 0x507c,
	    "Abort command issued - hdl=%x, target_id=%x\n",
	    cmd_sp->handle, fcport->tgt_id);

	wait_for_completion(&abt_iocb->u.abt.comp);

	rval = abt_iocb->u.abt.comp_status == CS_COMPLETE ?
	    QLA_SUCCESS : QLA_FUNCTION_FAILED;

done_free_sp:
	sp->free(vha, sp);
done:
	return rval;
}

int
qlafx00_abort_command(srb_t *sp)
{
	unsigned long   flags = 0;

	uint32_t	handle;
	fc_port_t	*fcport = sp->fcport;
	struct scsi_qla_host *vha = fcport->vha;
	struct qla_hw_data *ha = vha->hw;
	struct req_que *req = vha->req;

	spin_lock_irqsave(&ha->hardware_lock, flags);
	for (handle = 1; handle < DEFAULT_OUTSTANDING_COMMANDS; handle++) {
		if (req->outstanding_cmds[handle] == sp)
			break;
	}
	spin_unlock_irqrestore(&ha->hardware_lock, flags);
	if (handle == DEFAULT_OUTSTANDING_COMMANDS) {
		/* Command not found. */
		return QLA_FUNCTION_FAILED;
	}
	return qlafx00_async_abt_cmd(sp);
}

/*
 * qlafx00_initialize_adapter
 *      Initialize board.
 *
 * Input:
 *      ha = adapter block pointer.
 *
 * Returns:
 *      0 = success
 */
int
qlafx00_initialize_adapter(scsi_qla_host_t *vha)
{
	int	rval;
	struct qla_hw_data *ha = vha->hw;
2114
	uint32_t tempc;
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

	/* Clear adapter flags. */
	vha->flags.online = 0;
	ha->flags.chip_reset_done = 0;
	vha->flags.reset_active = 0;
	ha->flags.pci_channel_io_perm_failure = 0;
	ha->flags.eeh_busy = 0;
	atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
	atomic_set(&vha->loop_state, LOOP_DOWN);
	vha->device_flags = DFLG_NO_CABLE;
	vha->dpc_flags = 0;
	vha->flags.management_server_logged_in = 0;
	vha->marker_needed = 0;
	ha->isp_abort_cnt = 0;
	ha->beacon_blink_led = 0;

	set_bit(0, ha->req_qid_map);
	set_bit(0, ha->rsp_qid_map);

	ql_dbg(ql_dbg_init, vha, 0x0147,
	    "Configuring PCI space...\n");

	rval = ha->isp_ops->pci_config(vha);
	if (rval) {
		ql_log(ql_log_warn, vha, 0x0148,
		    "Unable to configure PCI space.\n");
		return rval;
	}

	rval = qlafx00_init_fw_ready(vha);
	if (rval != QLA_SUCCESS)
		return rval;

	qlafx00_save_queue_ptrs(vha);

	rval = qlafx00_config_queues(vha);
	if (rval != QLA_SUCCESS)
		return rval;

	/*
	 * Allocate the array of outstanding commands
	 * now that we know the firmware resources.
	 */
	rval = qla2x00_alloc_outstanding_cmds(ha, vha->req);
	if (rval != QLA_SUCCESS)
		return rval;

	rval = qla2x00_init_rings(vha);
	ha->flags.chip_reset_done = 1;

2165 2166 2167 2168 2169
	tempc = QLAFX00_GET_TEMPERATURE(ha);
	ql_dbg(ql_dbg_init, vha, 0x0152,
	    "ISPFx00(%s): Critical temp timer, current SOC temperature: 0x%x\n",
	    __func__, tempc);

2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194 2195 2196 2197 2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210 2211 2212 2213 2214 2215 2216 2217 2218 2219 2220 2221 2222 2223 2224 2225 2226 2227 2228 2229 2230 2231 2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 2267
	return rval;
}

uint32_t
qlafx00_fw_state_show(struct device *dev, struct device_attribute *attr,
		      char *buf)
{
	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
	int rval = QLA_FUNCTION_FAILED;
	uint32_t state[1];

	if (qla2x00_reset_active(vha))
		ql_log(ql_log_warn, vha, 0x70ce,
		    "ISP reset active.\n");
	else if (!vha->hw->flags.eeh_busy) {
		rval = qlafx00_get_firmware_state(vha, state);
	}
	if (rval != QLA_SUCCESS)
		memset(state, -1, sizeof(state));

	return state[0];
}

void
qlafx00_get_host_speed(struct Scsi_Host *shost)
{
	struct qla_hw_data *ha = ((struct scsi_qla_host *)
					(shost_priv(shost)))->hw;
	u32 speed = FC_PORTSPEED_UNKNOWN;

	switch (ha->link_data_rate) {
	case QLAFX00_PORT_SPEED_2G:
		speed = FC_PORTSPEED_2GBIT;
		break;
	case QLAFX00_PORT_SPEED_4G:
		speed = FC_PORTSPEED_4GBIT;
		break;
	case QLAFX00_PORT_SPEED_8G:
		speed = FC_PORTSPEED_8GBIT;
		break;
	case QLAFX00_PORT_SPEED_10G:
		speed = FC_PORTSPEED_10GBIT;
		break;
	}
	fc_host_speed(shost) = speed;
}

/** QLAFX00 specific ISR implementation functions */

static inline void
qlafx00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len,
		     uint32_t sense_len, struct rsp_que *rsp, int res)
{
	struct scsi_qla_host *vha = sp->fcport->vha;
	struct scsi_cmnd *cp = GET_CMD_SP(sp);
	uint32_t track_sense_len;

	SET_FW_SENSE_LEN(sp, sense_len);

	if (sense_len >= SCSI_SENSE_BUFFERSIZE)
		sense_len = SCSI_SENSE_BUFFERSIZE;

	SET_CMD_SENSE_LEN(sp, sense_len);
	SET_CMD_SENSE_PTR(sp, cp->sense_buffer);
	track_sense_len = sense_len;

	if (sense_len > par_sense_len)
		sense_len = par_sense_len;

	memcpy(cp->sense_buffer, sense_data, sense_len);

	SET_FW_SENSE_LEN(sp, GET_FW_SENSE_LEN(sp) - sense_len);

	SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len);
	track_sense_len -= sense_len;
	SET_CMD_SENSE_LEN(sp, track_sense_len);

	ql_dbg(ql_dbg_io, vha, 0x304d,
	    "sense_len=0x%x par_sense_len=0x%x track_sense_len=0x%x.\n",
	    sense_len, par_sense_len, track_sense_len);
	if (GET_FW_SENSE_LEN(sp) > 0) {
		rsp->status_srb = sp;
		cp->result = res;
	}

	if (sense_len) {
		ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x3039,
		    "Check condition Sense data, nexus%ld:%d:%d cmd=%p.\n",
		    sp->fcport->vha->host_no, cp->device->id, cp->device->lun,
		    cp);
		ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x3049,
		    cp->sense_buffer, sense_len);
	}
}

static void
qlafx00_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
		      struct tsk_mgmt_entry_fx00 *pkt, srb_t *sp,
2268
		      __le16 sstatus, __le16 cpstatus)
2269 2270 2271 2272
{
	struct srb_iocb *tmf;

	tmf = &sp->u.iocb_cmd;
2273 2274 2275
	if (cpstatus != cpu_to_le16((uint16_t)CS_COMPLETE) ||
	    (sstatus & cpu_to_le16((uint16_t)SS_RESPONSE_INFO_LEN_VALID)))
		cpstatus = cpu_to_le16((uint16_t)CS_INCOMPLETE);
2276 2277 2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292
	tmf->u.tmf.comp_status = cpstatus;
	sp->done(vha, sp, 0);
}

static void
qlafx00_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
			 struct abort_iocb_entry_fx00 *pkt)
{
	const char func[] = "ABT_IOCB";
	srb_t *sp;
	struct srb_iocb *abt;

	sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
	if (!sp)
		return;

	abt = &sp->u.iocb_cmd;
2293
	abt->u.abt.comp_status = pkt->tgt_id_sts;
2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 2310 2311 2312 2313 2314
	sp->done(vha, sp, 0);
}

static void
qlafx00_ioctl_iosb_entry(scsi_qla_host_t *vha, struct req_que *req,
			 struct ioctl_iocb_entry_fx00 *pkt)
{
	const char func[] = "IOSB_IOCB";
	srb_t *sp;
	struct fc_bsg_job *bsg_job;
	struct srb_iocb *iocb_job;
	int res;
	struct qla_mt_iocb_rsp_fx00 fstatus;
	uint8_t	*fw_sts_ptr;

	sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
	if (!sp)
		return;

	if (sp->type == SRB_FXIOCB_DCMD) {
		iocb_job = &sp->u.iocb_cmd;
2315 2316 2317
		iocb_job->u.fxiocb.seq_number = pkt->seq_no;
		iocb_job->u.fxiocb.fw_flags = pkt->fw_iotcl_flags;
		iocb_job->u.fxiocb.result = pkt->status;
2318 2319
		if (iocb_job->u.fxiocb.flags & SRB_FXDISC_RSP_DWRD_VALID)
			iocb_job->u.fxiocb.req_data =
2320
			    pkt->dataword_r;
2321 2322 2323 2324 2325 2326 2327 2328 2329 2330 2331 2332 2333 2334 2335 2336 2337 2338 2339 2340 2341 2342 2343 2344 2345 2346 2347 2348 2349 2350 2351 2352 2353 2354 2355 2356 2357 2358 2359 2360 2361 2362 2363 2364 2365 2366 2367 2368 2369 2370 2371 2372 2373
	} else {
		bsg_job = sp->u.bsg_job;

		memset(&fstatus, 0, sizeof(struct qla_mt_iocb_rsp_fx00));

		fstatus.reserved_1 = pkt->reserved_0;
		fstatus.func_type = pkt->comp_func_num;
		fstatus.ioctl_flags = pkt->fw_iotcl_flags;
		fstatus.ioctl_data = pkt->dataword_r;
		fstatus.adapid = pkt->adapid;
		fstatus.adapid_hi = pkt->adapid_hi;
		fstatus.reserved_2 = pkt->reserved_1;
		fstatus.res_count = pkt->residuallen;
		fstatus.status = pkt->status;
		fstatus.seq_number = pkt->seq_no;
		memcpy(fstatus.reserved_3,
		    pkt->reserved_2, 20 * sizeof(uint8_t));

		fw_sts_ptr = ((uint8_t *)bsg_job->req->sense) +
		    sizeof(struct fc_bsg_reply);

		memcpy(fw_sts_ptr, (uint8_t *)&fstatus,
		    sizeof(struct qla_mt_iocb_rsp_fx00));
		bsg_job->reply_len = sizeof(struct fc_bsg_reply) +
			sizeof(struct qla_mt_iocb_rsp_fx00) + sizeof(uint8_t);

		ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
		    sp->fcport->vha, 0x5080,
		    (uint8_t *)pkt, sizeof(struct ioctl_iocb_entry_fx00));

		ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
		    sp->fcport->vha, 0x5074,
		    (uint8_t *)fw_sts_ptr, sizeof(struct qla_mt_iocb_rsp_fx00));

		res = bsg_job->reply->result = DID_OK << 16;
		bsg_job->reply->reply_payload_rcv_len =
		    bsg_job->reply_payload.payload_len;
	}
	sp->done(vha, sp, res);
}

/**
 * qlafx00_status_entry() - Process a Status IOCB entry.
 * @ha: SCSI driver HA context
 * @pkt: Entry pointer
 */
static void
qlafx00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
{
	srb_t		*sp;
	fc_port_t	*fcport;
	struct scsi_cmnd *cp;
	struct sts_entry_fx00 *sts;
2374 2375
	__le16		comp_status;
	__le16		scsi_status;
2376
	uint16_t	ox_id;
2377
	__le16		lscsi_status;
2378 2379 2380 2381 2382 2383 2384 2385 2386 2387 2388 2389 2390
	int32_t		resid;
	uint32_t	sense_len, par_sense_len, rsp_info_len, resid_len,
	    fw_resid_len;
	uint8_t		*rsp_info = NULL, *sense_data = NULL;
	struct qla_hw_data *ha = vha->hw;
	uint32_t hindex, handle;
	uint16_t que;
	struct req_que *req;
	int logit = 1;
	int res = 0;

	sts = (struct sts_entry_fx00 *) pkt;

2391 2392
	comp_status = sts->comp_status;
	scsi_status = sts->scsi_status & cpu_to_le16((uint16_t)SS_MASK);
2393 2394 2395 2396 2397 2398 2399 2400 2401 2402 2403 2404 2405 2406 2407 2408 2409 2410 2411 2412 2413 2414 2415 2416 2417 2418 2419 2420 2421 2422 2423 2424 2425 2426 2427 2428 2429 2430 2431 2432 2433 2434 2435 2436 2437
	hindex = sts->handle;
	handle = LSW(hindex);

	que = MSW(hindex);
	req = ha->req_q_map[que];

	/* Validate handle. */
	if (handle < req->num_outstanding_cmds)
		sp = req->outstanding_cmds[handle];
	else
		sp = NULL;

	if (sp == NULL) {
		ql_dbg(ql_dbg_io, vha, 0x3034,
		    "Invalid status handle (0x%x).\n", handle);

		set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
		qla2xxx_wake_dpc(vha);
		return;
	}

	if (sp->type == SRB_TM_CMD) {
		req->outstanding_cmds[handle] = NULL;
		qlafx00_tm_iocb_entry(vha, req, pkt, sp,
		    scsi_status, comp_status);
		return;
	}

	/* Fast path completion. */
	if (comp_status == CS_COMPLETE && scsi_status == 0) {
		qla2x00_do_host_ramp_up(vha);
		qla2x00_process_completed_request(vha, req, handle);
		return;
	}

	req->outstanding_cmds[handle] = NULL;
	cp = GET_CMD_SP(sp);
	if (cp == NULL) {
		ql_dbg(ql_dbg_io, vha, 0x3048,
		    "Command already returned (0x%x/%p).\n",
		    handle, sp);

		return;
	}

2438
	lscsi_status = scsi_status & cpu_to_le16((uint16_t)STATUS_MASK);
2439 2440 2441 2442 2443 2444

	fcport = sp->fcport;

	ox_id = 0;
	sense_len = par_sense_len = rsp_info_len = resid_len =
		fw_resid_len = 0;
2445 2446 2447 2448
	if (scsi_status & cpu_to_le16((uint16_t)SS_SENSE_LEN_VALID))
		sense_len = sts->sense_len;
	if (scsi_status & cpu_to_le16(((uint16_t)SS_RESIDUAL_UNDER
	    | (uint16_t)SS_RESIDUAL_OVER)))
2449
		resid_len = le32_to_cpu(sts->residual_len);
2450
	if (comp_status == cpu_to_le16((uint16_t)CS_DATA_UNDERRUN))
2451 2452 2453 2454 2455 2456
		fw_resid_len = le32_to_cpu(sts->residual_len);
	rsp_info = sense_data = sts->data;
	par_sense_len = sizeof(sts->data);

	/* Check for overrun. */
	if (comp_status == CS_COMPLETE &&
2457 2458
	    scsi_status & cpu_to_le16((uint16_t)SS_RESIDUAL_OVER))
		comp_status = cpu_to_le16((uint16_t)CS_DATA_OVERRUN);
2459 2460 2461 2462

	/*
	 * Based on Host and scsi status generate status code for Linux
	 */
2463
	switch (le16_to_cpu(comp_status)) {
2464 2465 2466 2467 2468 2469
	case CS_COMPLETE:
	case CS_QUEUE_FULL:
		if (scsi_status == 0) {
			res = DID_OK << 16;
			break;
		}
2470 2471
		if (scsi_status & cpu_to_le16(((uint16_t)SS_RESIDUAL_UNDER
		    | (uint16_t)SS_RESIDUAL_OVER))) {
2472 2473 2474 2475 2476 2477 2478 2479 2480 2481 2482 2483 2484 2485 2486
			resid = resid_len;
			scsi_set_resid(cp, resid);

			if (!lscsi_status &&
			    ((unsigned)(scsi_bufflen(cp) - resid) <
			     cp->underflow)) {
				ql_dbg(ql_dbg_io, fcport->vha, 0x3050,
				    "Mid-layer underflow "
				    "detected (0x%x of 0x%x bytes).\n",
				    resid, scsi_bufflen(cp));

				res = DID_ERROR << 16;
				break;
			}
		}
2487
		res = DID_OK << 16 | le16_to_cpu(lscsi_status);
2488

2489 2490
		if (lscsi_status ==
		    cpu_to_le16((uint16_t)SAM_STAT_TASK_SET_FULL)) {
2491 2492 2493 2494 2495
			ql_dbg(ql_dbg_io, fcport->vha, 0x3051,
			    "QUEUE FULL detected.\n");
			break;
		}
		logit = 0;
2496
		if (lscsi_status != cpu_to_le16((uint16_t)SS_CHECK_CONDITION))
2497 2498 2499
			break;

		memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
2500
		if (!(scsi_status & cpu_to_le16((uint16_t)SS_SENSE_LEN_VALID)))
2501 2502 2503 2504 2505 2506 2507 2508 2509 2510 2511 2512 2513
			break;

		qlafx00_handle_sense(sp, sense_data, par_sense_len, sense_len,
		    rsp, res);
		break;

	case CS_DATA_UNDERRUN:
		/* Use F/W calculated residual length. */
		if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha))
			resid = fw_resid_len;
		else
			resid = resid_len;
		scsi_set_resid(cp, resid);
2514
		if (scsi_status & cpu_to_le16((uint16_t)SS_RESIDUAL_UNDER)) {
2515 2516 2517 2518 2519 2520 2521
			if ((IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha))
			    && fw_resid_len != resid_len) {
				ql_dbg(ql_dbg_io, fcport->vha, 0x3052,
				    "Dropped frame(s) detected "
				    "(0x%x of 0x%x bytes).\n",
				    resid, scsi_bufflen(cp));

2522 2523
				res = DID_ERROR << 16 |
				    le16_to_cpu(lscsi_status);
2524 2525 2526 2527 2528 2529 2530 2531 2532 2533 2534 2535 2536 2537 2538
				goto check_scsi_status;
			}

			if (!lscsi_status &&
			    ((unsigned)(scsi_bufflen(cp) - resid) <
			    cp->underflow)) {
				ql_dbg(ql_dbg_io, fcport->vha, 0x3053,
				    "Mid-layer underflow "
				    "detected (0x%x of 0x%x bytes, "
				    "cp->underflow: 0x%x).\n",
				    resid, scsi_bufflen(cp), cp->underflow);

				res = DID_ERROR << 16;
				break;
			}
2539 2540 2541
		} else if (lscsi_status !=
		    cpu_to_le16((uint16_t)SAM_STAT_TASK_SET_FULL) &&
		    lscsi_status != cpu_to_le16((uint16_t)SAM_STAT_BUSY)) {
2542 2543 2544 2545 2546 2547 2548 2549 2550 2551
			/*
			 * scsi status of task set and busy are considered
			 * to be task not completed.
			 */

			ql_dbg(ql_dbg_io, fcport->vha, 0x3054,
			    "Dropped frame(s) detected (0x%x "
			    "of 0x%x bytes).\n", resid,
			    scsi_bufflen(cp));

2552
			res = DID_ERROR << 16 | le16_to_cpu(lscsi_status);
2553 2554 2555 2556 2557 2558 2559
			goto check_scsi_status;
		} else {
			ql_dbg(ql_dbg_io, fcport->vha, 0x3055,
			    "scsi_status: 0x%x, lscsi_status: 0x%x\n",
			    scsi_status, lscsi_status);
		}

2560
		res = DID_OK << 16 | le16_to_cpu(lscsi_status);
2561 2562 2563 2564 2565 2566 2567 2568
		logit = 0;

check_scsi_status:
		/*
		 * Check to see if SCSI Status is non zero. If so report SCSI
		 * Status.
		 */
		if (lscsi_status != 0) {
2569 2570
			if (lscsi_status ==
			    cpu_to_le16((uint16_t)SAM_STAT_TASK_SET_FULL)) {
2571 2572 2573 2574 2575
				ql_dbg(ql_dbg_io, fcport->vha, 0x3056,
				    "QUEUE FULL detected.\n");
				logit = 1;
				break;
			}
2576 2577
			if (lscsi_status !=
			    cpu_to_le16((uint16_t)SS_CHECK_CONDITION))
2578 2579 2580
				break;

			memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
2581 2582
			if (!(scsi_status &
			    cpu_to_le16((uint16_t)SS_SENSE_LEN_VALID)))
2583 2584 2585 2586 2587 2588 2589 2590 2591 2592 2593 2594 2595 2596 2597 2598 2599 2600 2601 2602 2603 2604 2605 2606 2607 2608 2609 2610 2611 2612 2613 2614 2615 2616 2617 2618 2619 2620 2621 2622 2623
				break;

			qlafx00_handle_sense(sp, sense_data, par_sense_len,
			    sense_len, rsp, res);
		}
		break;

	case CS_PORT_LOGGED_OUT:
	case CS_PORT_CONFIG_CHG:
	case CS_PORT_BUSY:
	case CS_INCOMPLETE:
	case CS_PORT_UNAVAILABLE:
	case CS_TIMEOUT:
	case CS_RESET:

		/*
		 * We are going to have the fc class block the rport
		 * while we try to recover so instruct the mid layer
		 * to requeue until the class decides how to handle this.
		 */
		res = DID_TRANSPORT_DISRUPTED << 16;

		ql_dbg(ql_dbg_io, fcport->vha, 0x3057,
		    "Port down status: port-state=0x%x.\n",
		    atomic_read(&fcport->state));

		if (atomic_read(&fcport->state) == FCS_ONLINE)
			qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
		break;

	case CS_ABORTED:
		res = DID_RESET << 16;
		break;

	default:
		res = DID_ERROR << 16;
		break;
	}

	if (logit)
		ql_dbg(ql_dbg_io, fcport->vha, 0x3058,
2624 2625 2626 2627
		    "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%d "
		    "tgt_id: 0x%x lscsi_status: 0x%x cdb=%10phN len=0x%x "
		    "rsp_info=0x%x resid=0x%x fw_resid=0x%x sense_len=0x%x, "
		    "par_sense_len=0x%x, rsp_info_len=0x%x\n",
2628 2629
		    comp_status, scsi_status, res, vha->host_no,
		    cp->device->id, cp->device->lun, fcport->tgt_id,
2630
		    lscsi_status, cp->cmnd, scsi_bufflen(cp),
2631 2632 2633 2634 2635 2636 2637 2638 2639 2640 2641 2642 2643 2644 2645 2646 2647 2648 2649 2650 2651 2652 2653 2654 2655 2656 2657 2658 2659 2660 2661 2662 2663 2664 2665 2666 2667 2668 2669 2670 2671 2672 2673 2674 2675 2676 2677 2678 2679 2680 2681 2682 2683 2684 2685 2686 2687 2688 2689 2690 2691 2692 2693 2694 2695 2696 2697 2698 2699 2700 2701 2702 2703 2704 2705 2706 2707 2708 2709 2710 2711 2712 2713 2714 2715 2716 2717 2718 2719 2720 2721 2722 2723 2724 2725 2726 2727 2728 2729 2730 2731 2732
		    rsp_info_len, resid_len, fw_resid_len, sense_len,
		    par_sense_len, rsp_info_len);

	if (!res)
		qla2x00_do_host_ramp_up(vha);

	if (rsp->status_srb == NULL)
		sp->done(ha, sp, res);
}

/**
 * qlafx00_status_cont_entry() - Process a Status Continuations entry.
 * @ha: SCSI driver HA context
 * @pkt: Entry pointer
 *
 * Extended sense data.
 */
static void
qlafx00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt)
{
	uint8_t	sense_sz = 0;
	struct qla_hw_data *ha = rsp->hw;
	struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev);
	srb_t *sp = rsp->status_srb;
	struct scsi_cmnd *cp;
	uint32_t sense_len;
	uint8_t *sense_ptr;

	if (!sp) {
		ql_dbg(ql_dbg_io, vha, 0x3037,
		    "no SP, sp = %p\n", sp);
		return;
	}

	if (!GET_FW_SENSE_LEN(sp)) {
		ql_dbg(ql_dbg_io, vha, 0x304b,
		    "no fw sense data, sp = %p\n", sp);
		return;
	}
	cp = GET_CMD_SP(sp);
	if (cp == NULL) {
		ql_log(ql_log_warn, vha, 0x303b,
		    "cmd is NULL: already returned to OS (sp=%p).\n", sp);

		rsp->status_srb = NULL;
		return;
	}

	if (!GET_CMD_SENSE_LEN(sp)) {
		ql_dbg(ql_dbg_io, vha, 0x304c,
		    "no sense data, sp = %p\n", sp);
	} else {
		sense_len = GET_CMD_SENSE_LEN(sp);
		sense_ptr = GET_CMD_SENSE_PTR(sp);
		ql_dbg(ql_dbg_io, vha, 0x304f,
		    "sp=%p sense_len=0x%x sense_ptr=%p.\n",
		    sp, sense_len, sense_ptr);

		if (sense_len > sizeof(pkt->data))
			sense_sz = sizeof(pkt->data);
		else
			sense_sz = sense_len;

		/* Move sense data. */
		ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x304e,
		    (uint8_t *)pkt, sizeof(sts_cont_entry_t));
		memcpy(sense_ptr, pkt->data, sense_sz);
		ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x304a,
		    sense_ptr, sense_sz);

		sense_len -= sense_sz;
		sense_ptr += sense_sz;

		SET_CMD_SENSE_PTR(sp, sense_ptr);
		SET_CMD_SENSE_LEN(sp, sense_len);
	}
	sense_len = GET_FW_SENSE_LEN(sp);
	sense_len = (sense_len > sizeof(pkt->data)) ?
	    (sense_len - sizeof(pkt->data)) : 0;
	SET_FW_SENSE_LEN(sp, sense_len);

	/* Place command on done queue. */
	if (sense_len == 0) {
		rsp->status_srb = NULL;
		sp->done(ha, sp, cp->result);
	}
}

/**
 * qlafx00_multistatus_entry() - Process Multi response queue entries.
 * @ha: SCSI driver HA context
 */
static void
qlafx00_multistatus_entry(struct scsi_qla_host *vha,
	struct rsp_que *rsp, void *pkt)
{
	srb_t		*sp;
	struct multi_sts_entry_fx00 *stsmfx;
	struct qla_hw_data *ha = vha->hw;
	uint32_t handle, hindex, handle_count, i;
	uint16_t que;
	struct req_que *req;
2733
	__le32 *handle_ptr;
2734 2735 2736 2737 2738 2739 2740 2741 2742 2743 2744 2745 2746

	stsmfx = (struct multi_sts_entry_fx00 *) pkt;

	handle_count = stsmfx->handle_count;

	if (handle_count > MAX_HANDLE_COUNT) {
		ql_dbg(ql_dbg_io, vha, 0x3035,
		    "Invalid handle count (0x%x).\n", handle_count);
		set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
		qla2xxx_wake_dpc(vha);
		return;
	}

2747
	handle_ptr =  &stsmfx->handles[0];
2748 2749 2750 2751 2752 2753 2754 2755 2756 2757 2758 2759 2760 2761 2762 2763 2764 2765 2766 2767 2768 2769 2770 2771 2772 2773 2774 2775 2776 2777 2778 2779 2780 2781 2782 2783 2784 2785 2786 2787 2788 2789 2790 2791 2792 2793 2794 2795 2796 2797 2798 2799 2800 2801 2802 2803 2804 2805 2806 2807 2808 2809 2810 2811 2812 2813 2814

	for (i = 0; i < handle_count; i++) {
		hindex = le32_to_cpu(*handle_ptr);
		handle = LSW(hindex);
		que = MSW(hindex);
		req = ha->req_q_map[que];

		/* Validate handle. */
		if (handle < req->num_outstanding_cmds)
			sp = req->outstanding_cmds[handle];
		else
			sp = NULL;

		if (sp == NULL) {
			ql_dbg(ql_dbg_io, vha, 0x3044,
			    "Invalid status handle (0x%x).\n", handle);
			set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
			qla2xxx_wake_dpc(vha);
			return;
		}
		qla2x00_process_completed_request(vha, req, handle);
		handle_ptr++;
	}
}

/**
 * qlafx00_error_entry() - Process an error entry.
 * @ha: SCSI driver HA context
 * @pkt: Entry pointer
 */
static void
qlafx00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp,
		    struct sts_entry_fx00 *pkt, uint8_t estatus, uint8_t etype)
{
	srb_t *sp;
	struct qla_hw_data *ha = vha->hw;
	const char func[] = "ERROR-IOCB";
	uint16_t que = MSW(pkt->handle);
	struct req_que *req = NULL;
	int res = DID_ERROR << 16;

	ql_dbg(ql_dbg_async, vha, 0x507f,
	    "type of error status in response: 0x%x\n", estatus);

	req = ha->req_q_map[que];

	sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
	if (sp) {
		sp->done(ha, sp, res);
		return;
	}

	set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
	qla2xxx_wake_dpc(vha);
}

/**
 * qlafx00_process_response_queue() - Process response queue entries.
 * @ha: SCSI driver HA context
 */
static void
qlafx00_process_response_queue(struct scsi_qla_host *vha,
	struct rsp_que *rsp)
{
	struct sts_entry_fx00 *pkt;
	response_t *lptr;

2815
	while (RD_REG_DWORD((void __iomem *)&(rsp->ring_ptr->signature)) !=
2816 2817
	    RESPONSE_PROCESSED) {
		lptr = rsp->ring_ptr;
2818 2819
		memcpy_fromio(rsp->rsp_pkt, (void __iomem *)lptr,
		    sizeof(rsp->rsp_pkt));
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 2850 2851 2852 2853 2854 2855 2856 2857 2858 2859 2860 2861 2862 2863 2864 2865 2866 2867 2868 2869
		pkt = (struct sts_entry_fx00 *)rsp->rsp_pkt;

		rsp->ring_index++;
		if (rsp->ring_index == rsp->length) {
			rsp->ring_index = 0;
			rsp->ring_ptr = rsp->ring;
		} else {
			rsp->ring_ptr++;
		}

		if (pkt->entry_status != 0 &&
		    pkt->entry_type != IOCTL_IOSB_TYPE_FX00) {
			qlafx00_error_entry(vha, rsp,
			    (struct sts_entry_fx00 *)pkt, pkt->entry_status,
			    pkt->entry_type);
			goto next_iter;
			continue;
		}

		switch (pkt->entry_type) {
		case STATUS_TYPE_FX00:
			qlafx00_status_entry(vha, rsp, pkt);
			break;

		case STATUS_CONT_TYPE_FX00:
			qlafx00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
			break;

		case MULTI_STATUS_TYPE_FX00:
			qlafx00_multistatus_entry(vha, rsp, pkt);
			break;

		case ABORT_IOCB_TYPE_FX00:
			qlafx00_abort_iocb_entry(vha, rsp->req,
			   (struct abort_iocb_entry_fx00 *)pkt);
			break;

		case IOCTL_IOSB_TYPE_FX00:
			qlafx00_ioctl_iosb_entry(vha, rsp->req,
			    (struct ioctl_iocb_entry_fx00 *)pkt);
			break;
		default:
			/* Type Not Supported. */
			ql_dbg(ql_dbg_async, vha, 0x5081,
			    "Received unknown response pkt type %x "
			    "entry status=%x.\n",
			    pkt->entry_type, pkt->entry_status);
			break;
		}
next_iter:
2870 2871
		WRT_REG_DWORD((void __iomem *)&lptr->signature,
		    RESPONSE_PROCESSED);
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 2907 2908 2909 2910 2911 2912 2913 2914 2915
		wmb();
	}

	/* Adjust ring index */
	WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index);
}

/**
 * qlafx00_async_event() - Process aynchronous events.
 * @ha: SCSI driver HA context
 */
static void
qlafx00_async_event(scsi_qla_host_t *vha)
{
	struct qla_hw_data *ha = vha->hw;
	struct device_reg_fx00 __iomem *reg;
	int data_size = 1;

	reg = &ha->iobase->ispfx00;
	/* Setup to process RIO completion. */
	switch (ha->aenmb[0]) {
	case QLAFX00_MBA_SYSTEM_ERR:		/* System Error */
		ql_log(ql_log_warn, vha, 0x5079,
		    "ISP System Error - mbx1=%x\n", ha->aenmb[0]);
		set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
		break;

	case QLAFX00_MBA_SHUTDOWN_RQSTD:	/* Shutdown requested */
		ql_dbg(ql_dbg_async, vha, 0x5076,
		    "Asynchronous FW shutdown requested.\n");
		set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
		qla2xxx_wake_dpc(vha);
		break;

	case QLAFX00_MBA_PORT_UPDATE:		/* Port database update */
		ha->aenmb[1] = RD_REG_WORD(&reg->aenmailbox1);
		ha->aenmb[2] = RD_REG_WORD(&reg->aenmailbox2);
		ha->aenmb[3] = RD_REG_WORD(&reg->aenmailbox3);
		ql_dbg(ql_dbg_async, vha, 0x5077,
		    "Asynchronous port Update received "
		    "aenmb[0]: %x, aenmb[1]: %x, aenmb[2]: %x, aenmb[3]: %x\n",
		    ha->aenmb[0], ha->aenmb[1], ha->aenmb[2], ha->aenmb[3]);
		data_size = 4;
		break;
2916 2917 2918 2919 2920 2921 2922 2923 2924 2925 2926

	case QLAFX00_MBA_TEMP_OVER:	/* Over temperature event */
	case QLAFX00_MBA_TEMP_CRIT:	/* Critical temperature event */
		ql_log(ql_log_info, vha, 0x5083,
		    "Asynchronous critical temperature event received "
		    "aenmb[0]: %x\n",
		ha->aenmb[0]);
		qlafx00_post_aenfx_work(vha, ha->aenmb[0],
		    (uint32_t *)ha->aenmb, 1);
		break;

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 2955 2956 2957 2958 2959 2960 2961 2962 2963 2964 2965 2966 2967 2968 2969 2970 2971 2972 2973 2974 2975 2976 2977 2978 2979 2980 2981 2982 2983 2984 2985 2986 2987 2988 2989 2990 2991 2992 2993 2994 2995 2996 2997 2998 2999 3000 3001 3002 3003 3004 3005 3006 3007 3008 3009 3010 3011 3012 3013 3014 3015 3016 3017 3018 3019 3020 3021 3022 3023 3024 3025 3026 3027 3028 3029 3030 3031 3032 3033 3034 3035 3036 3037 3038 3039 3040 3041 3042 3043 3044
	default:
		ha->aenmb[1] = RD_REG_WORD(&reg->aenmailbox1);
		ha->aenmb[2] = RD_REG_WORD(&reg->aenmailbox2);
		ha->aenmb[3] = RD_REG_WORD(&reg->aenmailbox3);
		ha->aenmb[4] = RD_REG_WORD(&reg->aenmailbox4);
		ha->aenmb[5] = RD_REG_WORD(&reg->aenmailbox5);
		ha->aenmb[6] = RD_REG_WORD(&reg->aenmailbox6);
		ha->aenmb[7] = RD_REG_WORD(&reg->aenmailbox7);
		ql_dbg(ql_dbg_async, vha, 0x5078,
		    "AEN:%04x %04x %04x %04x :%04x %04x %04x %04x\n",
		    ha->aenmb[0], ha->aenmb[1], ha->aenmb[2], ha->aenmb[3],
		    ha->aenmb[4], ha->aenmb[5], ha->aenmb[6], ha->aenmb[7]);
		break;
	}
	qlafx00_post_aenfx_work(vha, ha->aenmb[0],
	    (uint32_t *)ha->aenmb, data_size);
}

/**
 *
 * qlafx00x_mbx_completion() - Process mailbox command completions.
 * @ha: SCSI driver HA context
 * @mb16: Mailbox16 register
 */
static void
qlafx00_mbx_completion(scsi_qla_host_t *vha, uint32_t mb0)
{
	uint16_t	cnt;
	uint16_t __iomem *wptr;
	struct qla_hw_data *ha = vha->hw;
	struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;

	if (!ha->mcp32)
		ql_dbg(ql_dbg_async, vha, 0x507e, "MBX pointer ERROR.\n");

	/* Load return mailbox registers. */
	ha->flags.mbox_int = 1;
	ha->mailbox_out32[0] = mb0;
	wptr = (uint16_t __iomem *)&reg->mailbox17;

	for (cnt = 1; cnt < ha->mbx_count; cnt++) {
		ha->mailbox_out32[cnt] = RD_REG_WORD(wptr);
		wptr++;
	}
}

/**
 * qlafx00_intr_handler() - Process interrupts for the ISPFX00.
 * @irq:
 * @dev_id: SCSI driver HA context
 *
 * Called by system whenever the host adapter generates an interrupt.
 *
 * Returns handled flag.
 */
irqreturn_t
qlafx00_intr_handler(int irq, void *dev_id)
{
	scsi_qla_host_t	*vha;
	struct qla_hw_data *ha;
	struct device_reg_fx00 __iomem *reg;
	int		status;
	unsigned long	iter;
	uint32_t	stat;
	uint32_t	mb[8];
	struct rsp_que *rsp;
	unsigned long	flags;
	uint32_t clr_intr = 0;

	rsp = (struct rsp_que *) dev_id;
	if (!rsp) {
		ql_log(ql_log_info, NULL, 0x507d,
		    "%s: NULL response queue pointer.\n", __func__);
		return IRQ_NONE;
	}

	ha = rsp->hw;
	reg = &ha->iobase->ispfx00;
	status = 0;

	if (unlikely(pci_channel_offline(ha->pdev)))
		return IRQ_HANDLED;

	spin_lock_irqsave(&ha->hardware_lock, flags);
	vha = pci_get_drvdata(ha->pdev);
	for (iter = 50; iter--; clr_intr = 0) {
		stat = QLAFX00_RD_INTR_REG(ha);
		if ((stat & QLAFX00_HST_INT_STS_BITS) == 0)
			break;

		switch (stat & QLAFX00_HST_INT_STS_BITS) {
		case QLAFX00_INTR_MB_CMPLT:
		case QLAFX00_INTR_MB_RSP_CMPLT:
		case QLAFX00_INTR_MB_ASYNC_CMPLT:
		case QLAFX00_INTR_ALL_CMPLT:
			mb[0] = RD_REG_WORD(&reg->mailbox16);
			qlafx00_mbx_completion(vha, mb[0]);
			status |= MBX_INTERRUPT;
			clr_intr |= QLAFX00_INTR_MB_CMPLT;
			break;
		case QLAFX00_INTR_ASYNC_CMPLT:
		case QLAFX00_INTR_RSP_ASYNC_CMPLT:
			ha->aenmb[0] = RD_REG_WORD(&reg->aenmailbox0);
			qlafx00_async_event(vha);
			clr_intr |= QLAFX00_INTR_ASYNC_CMPLT;
			break;
		case QLAFX00_INTR_RSP_CMPLT:
			qlafx00_process_response_queue(vha, rsp);
			clr_intr |= QLAFX00_INTR_RSP_CMPLT;
			break;
		default:
			ql_dbg(ql_dbg_async, vha, 0x507a,
			    "Unrecognized interrupt type (%d).\n", stat);
			break;
		}
		QLAFX00_CLR_INTR_REG(ha, clr_intr);
		QLAFX00_RD_INTR_REG(ha);
	}
3045 3046

	qla2x00_handle_mbx_completion(ha, status);
3047 3048 3049 3050 3051 3052 3053 3054 3055 3056 3057 3058 3059 3060 3061 3062 3063 3064 3065 3066 3067 3068 3069 3070 3071
	spin_unlock_irqrestore(&ha->hardware_lock, flags);

	return IRQ_HANDLED;
}

/** QLAFX00 specific IOCB implementation functions */

static inline cont_a64_entry_t *
qlafx00_prep_cont_type1_iocb(struct req_que *req,
			     cont_a64_entry_t *lcont_pkt)
{
	cont_a64_entry_t *cont_pkt;

	/* Adjust ring index. */
	req->ring_index++;
	if (req->ring_index == req->length) {
		req->ring_index = 0;
		req->ring_ptr = req->ring;
	} else {
		req->ring_ptr++;
	}

	cont_pkt = (cont_a64_entry_t *)req->ring_ptr;

	/* Load packet defaults. */
3072
	lcont_pkt->entry_type = CONTINUE_A64_TYPE_FX00;
3073 3074 3075 3076 3077 3078 3079 3080 3081

	return cont_pkt;
}

static inline void
qlafx00_build_scsi_iocbs(srb_t *sp, struct cmd_type_7_fx00 *cmd_pkt,
			 uint16_t tot_dsds, struct cmd_type_7_fx00 *lcmd_pkt)
{
	uint16_t	avail_dsds;
3082
	__le32 *cur_dsd;
3083 3084 3085 3086 3087 3088 3089 3090 3091 3092 3093 3094 3095 3096 3097 3098
	scsi_qla_host_t	*vha;
	struct scsi_cmnd *cmd;
	struct scatterlist *sg;
	int i, cont;
	struct req_que *req;
	cont_a64_entry_t lcont_pkt;
	cont_a64_entry_t *cont_pkt;

	vha = sp->fcport->vha;
	req = vha->req;

	cmd = GET_CMD_SP(sp);
	cont = 0;
	cont_pkt = NULL;

	/* Update entry type to indicate Command Type 3 IOCB */
3099
	lcmd_pkt->entry_type = FX00_COMMAND_TYPE_7;
3100 3101 3102 3103 3104 3105 3106 3107 3108

	/* No data transfer */
	if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) {
		lcmd_pkt->byte_count = __constant_cpu_to_le32(0);
		return;
	}

	/* Set transfer direction */
	if (cmd->sc_data_direction == DMA_TO_DEVICE) {
3109
		lcmd_pkt->cntrl_flags = TMF_WRITE_DATA;
3110 3111
		vha->qla_stats.output_bytes += scsi_bufflen(cmd);
	} else if (cmd->sc_data_direction == DMA_FROM_DEVICE) {
3112
		lcmd_pkt->cntrl_flags = TMF_READ_DATA;
3113 3114 3115 3116 3117
		vha->qla_stats.input_bytes += scsi_bufflen(cmd);
	}

	/* One DSD is available in the Command Type 3 IOCB */
	avail_dsds = 1;
3118
	cur_dsd = (__le32 *)&lcmd_pkt->dseg_0_address;
3119 3120 3121 3122 3123 3124 3125 3126 3127 3128 3129 3130 3131 3132

	/* Load data segments */
	scsi_for_each_sg(cmd, sg, tot_dsds, i) {
		dma_addr_t	sle_dma;

		/* Allocate additional continuation packets? */
		if (avail_dsds == 0) {
			/*
			 * Five DSDs are available in the Continuation
			 * Type 1 IOCB.
			 */
			memset(&lcont_pkt, 0, REQUEST_ENTRY_SIZE);
			cont_pkt =
			    qlafx00_prep_cont_type1_iocb(req, &lcont_pkt);
3133
			cur_dsd = (__le32 *)lcont_pkt.dseg_0_address;
3134 3135 3136 3137 3138 3139 3140 3141 3142 3143 3144 3145 3146 3147 3148 3149 3150 3151 3152 3153 3154 3155 3156 3157 3158 3159 3160 3161 3162 3163 3164 3165 3166 3167 3168 3169 3170 3171 3172 3173 3174 3175 3176 3177 3178 3179 3180 3181 3182 3183 3184 3185 3186 3187 3188 3189 3190 3191 3192 3193 3194 3195 3196 3197 3198 3199 3200 3201 3202 3203 3204 3205 3206 3207 3208 3209 3210 3211 3212 3213 3214 3215 3216 3217 3218 3219 3220 3221 3222 3223 3224 3225 3226 3227 3228 3229 3230 3231 3232 3233 3234 3235 3236 3237 3238 3239 3240 3241 3242 3243 3244 3245 3246 3247 3248 3249 3250 3251 3252 3253 3254 3255 3256 3257 3258 3259 3260 3261 3262 3263 3264 3265 3266 3267 3268 3269 3270 3271 3272 3273 3274 3275 3276 3277 3278 3279 3280 3281 3282 3283 3284 3285 3286 3287 3288 3289 3290 3291 3292 3293 3294 3295 3296 3297 3298 3299 3300 3301 3302 3303 3304 3305 3306 3307 3308 3309 3310 3311 3312 3313 3314 3315 3316 3317 3318 3319 3320 3321 3322 3323 3324 3325 3326 3327 3328 3329 3330 3331 3332 3333 3334 3335
			avail_dsds = 5;
			cont = 1;
		}

		sle_dma = sg_dma_address(sg);
		*cur_dsd++ = cpu_to_le32(LSD(sle_dma));
		*cur_dsd++ = cpu_to_le32(MSD(sle_dma));
		*cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
		avail_dsds--;
		if (avail_dsds == 0 && cont == 1) {
			cont = 0;
			memcpy_toio((void __iomem *)cont_pkt, &lcont_pkt,
			    REQUEST_ENTRY_SIZE);
		}

	}
	if (avail_dsds != 0 && cont == 1) {
		memcpy_toio((void __iomem *)cont_pkt, &lcont_pkt,
		    REQUEST_ENTRY_SIZE);
	}
}

/**
 * qlafx00_start_scsi() - Send a SCSI command to the ISP
 * @sp: command to send to the ISP
 *
 * Returns non-zero if a failure occurred, else zero.
 */
int
qlafx00_start_scsi(srb_t *sp)
{
	int		ret, nseg;
	unsigned long   flags;
	uint32_t        index;
	uint32_t	handle;
	uint16_t	cnt;
	uint16_t	req_cnt;
	uint16_t	tot_dsds;
	struct req_que *req = NULL;
	struct rsp_que *rsp = NULL;
	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
	struct scsi_qla_host *vha = sp->fcport->vha;
	struct qla_hw_data *ha = vha->hw;
	struct cmd_type_7_fx00 *cmd_pkt;
	struct cmd_type_7_fx00 lcmd_pkt;
	struct scsi_lun llun;
	char		tag[2];

	/* Setup device pointers. */
	ret = 0;

	rsp = ha->rsp_q_map[0];
	req = vha->req;

	/* So we know we haven't pci_map'ed anything yet */
	tot_dsds = 0;

	/* Forcing marker needed for now */
	vha->marker_needed = 0;

	/* Send marker if required */
	if (vha->marker_needed != 0) {
		if (qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL) !=
		    QLA_SUCCESS)
			return QLA_FUNCTION_FAILED;
		vha->marker_needed = 0;
	}

	/* Acquire ring specific lock */
	spin_lock_irqsave(&ha->hardware_lock, flags);

	/* Check for room in outstanding command list. */
	handle = req->current_outstanding_cmd;
	for (index = 1; index < req->num_outstanding_cmds; index++) {
		handle++;
		if (handle == req->num_outstanding_cmds)
			handle = 1;
		if (!req->outstanding_cmds[handle])
			break;
	}
	if (index == req->num_outstanding_cmds)
		goto queuing_error;

	/* Map the sg table so we have an accurate count of sg entries needed */
	if (scsi_sg_count(cmd)) {
		nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd),
		    scsi_sg_count(cmd), cmd->sc_data_direction);
		if (unlikely(!nseg))
			goto queuing_error;
	} else
		nseg = 0;

	tot_dsds = nseg;
	req_cnt = qla24xx_calc_iocbs(vha, tot_dsds);
	if (req->cnt < (req_cnt + 2)) {
		cnt = RD_REG_DWORD_RELAXED(req->req_q_out);

		if (req->ring_index < cnt)
			req->cnt = cnt - req->ring_index;
		else
			req->cnt = req->length -
				(req->ring_index - cnt);
		if (req->cnt < (req_cnt + 2))
			goto queuing_error;
	}

	/* Build command packet. */
	req->current_outstanding_cmd = handle;
	req->outstanding_cmds[handle] = sp;
	sp->handle = handle;
	cmd->host_scribble = (unsigned char *)(unsigned long)handle;
	req->cnt -= req_cnt;

	cmd_pkt = (struct cmd_type_7_fx00 *)req->ring_ptr;

	memset(&lcmd_pkt, 0, REQUEST_ENTRY_SIZE);

	lcmd_pkt.handle = MAKE_HANDLE(req->id, sp->handle);
	lcmd_pkt.handle_hi = 0;
	lcmd_pkt.dseg_count = cpu_to_le16(tot_dsds);
	lcmd_pkt.tgt_idx = cpu_to_le16(sp->fcport->tgt_id);

	int_to_scsilun(cmd->device->lun, &llun);
	host_to_adap((uint8_t *)&llun, (uint8_t *)&lcmd_pkt.lun,
	    sizeof(lcmd_pkt.lun));

	/* Update tagged queuing modifier -- default is TSK_SIMPLE (0). */
	if (scsi_populate_tag_msg(cmd, tag)) {
		switch (tag[0]) {
		case HEAD_OF_QUEUE_TAG:
			lcmd_pkt.task = TSK_HEAD_OF_QUEUE;
			break;
		case ORDERED_QUEUE_TAG:
			lcmd_pkt.task = TSK_ORDERED;
			break;
		}
	}

	/* Load SCSI command packet. */
	host_to_adap(cmd->cmnd, lcmd_pkt.fcp_cdb, sizeof(lcmd_pkt.fcp_cdb));
	lcmd_pkt.byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd));

	/* Build IOCB segments */
	qlafx00_build_scsi_iocbs(sp, cmd_pkt, tot_dsds, &lcmd_pkt);

	/* Set total data segment count. */
	lcmd_pkt.entry_count = (uint8_t)req_cnt;

	/* Specify response queue number where completion should happen */
	lcmd_pkt.entry_status = (uint8_t) rsp->id;

	ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302e,
	    (uint8_t *)cmd->cmnd, cmd->cmd_len);
	ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x3032,
	    (uint8_t *)&lcmd_pkt, REQUEST_ENTRY_SIZE);

	memcpy_toio((void __iomem *)cmd_pkt, &lcmd_pkt, REQUEST_ENTRY_SIZE);
	wmb();

	/* Adjust ring index. */
	req->ring_index++;
	if (req->ring_index == req->length) {
		req->ring_index = 0;
		req->ring_ptr = req->ring;
	} else
		req->ring_ptr++;

	sp->flags |= SRB_DMA_VALID;

	/* Set chip new ring index. */
	WRT_REG_DWORD(req->req_q_in, req->ring_index);
	QLAFX00_SET_HST_INTR(ha, ha->rqstq_intr_code);

	spin_unlock_irqrestore(&ha->hardware_lock, flags);
	return QLA_SUCCESS;

queuing_error:
	if (tot_dsds)
		scsi_dma_unmap(cmd);

	spin_unlock_irqrestore(&ha->hardware_lock, flags);

	return QLA_FUNCTION_FAILED;
}

void
qlafx00_tm_iocb(srb_t *sp, struct tsk_mgmt_entry_fx00 *ptm_iocb)
{
	struct srb_iocb *fxio = &sp->u.iocb_cmd;
	scsi_qla_host_t *vha = sp->fcport->vha;
	struct req_que *req = vha->req;
	struct tsk_mgmt_entry_fx00 tm_iocb;
	struct scsi_lun llun;

	memset(&tm_iocb, 0, sizeof(struct tsk_mgmt_entry_fx00));
	tm_iocb.entry_type = TSK_MGMT_IOCB_TYPE_FX00;
	tm_iocb.entry_count = 1;
	tm_iocb.handle = cpu_to_le32(MAKE_HANDLE(req->id, sp->handle));
	tm_iocb.handle_hi = 0;
	tm_iocb.timeout = cpu_to_le16(qla2x00_get_async_timeout(vha) + 2);
	tm_iocb.tgt_id = cpu_to_le16(sp->fcport->tgt_id);
	tm_iocb.control_flags = cpu_to_le32(fxio->u.tmf.flags);
3336
	if (tm_iocb.control_flags == cpu_to_le32((uint32_t)TCF_LUN_RESET)) {
3337 3338 3339 3340 3341
		int_to_scsilun(fxio->u.tmf.lun, &llun);
		host_to_adap((uint8_t *)&llun, (uint8_t *)&tm_iocb.lun,
		    sizeof(struct scsi_lun));
	}

3342
	memcpy((void *)ptm_iocb, &tm_iocb,
3343 3344 3345 3346 3347 3348 3349 3350 3351 3352 3353 3354 3355 3356 3357 3358 3359 3360 3361 3362 3363
	    sizeof(struct tsk_mgmt_entry_fx00));
	wmb();
}

void
qlafx00_abort_iocb(srb_t *sp, struct abort_iocb_entry_fx00 *pabt_iocb)
{
	struct srb_iocb *fxio = &sp->u.iocb_cmd;
	scsi_qla_host_t *vha = sp->fcport->vha;
	struct req_que *req = vha->req;
	struct abort_iocb_entry_fx00 abt_iocb;

	memset(&abt_iocb, 0, sizeof(struct abort_iocb_entry_fx00));
	abt_iocb.entry_type = ABORT_IOCB_TYPE_FX00;
	abt_iocb.entry_count = 1;
	abt_iocb.handle = cpu_to_le32(MAKE_HANDLE(req->id, sp->handle));
	abt_iocb.abort_handle =
	    cpu_to_le32(MAKE_HANDLE(req->id, fxio->u.abt.cmd_hndl));
	abt_iocb.tgt_id_sts = cpu_to_le16(sp->fcport->tgt_id);
	abt_iocb.req_que_no = cpu_to_le16(req->id);

3364
	memcpy((void *)pabt_iocb, &abt_iocb,
3365 3366 3367 3368 3369 3370 3371 3372 3373 3374 3375 3376 3377 3378 3379 3380 3381 3382 3383 3384
	    sizeof(struct abort_iocb_entry_fx00));
	wmb();
}

void
qlafx00_fxdisc_iocb(srb_t *sp, struct fxdisc_entry_fx00 *pfxiocb)
{
	struct srb_iocb *fxio = &sp->u.iocb_cmd;
	struct qla_mt_iocb_rqst_fx00 *piocb_rqst;
	struct fc_bsg_job *bsg_job;
	struct fxdisc_entry_fx00 fx_iocb;
	uint8_t entry_cnt = 1;

	memset(&fx_iocb, 0, sizeof(struct fxdisc_entry_fx00));
	fx_iocb.entry_type = FX00_IOCB_TYPE;
	fx_iocb.handle = cpu_to_le32(sp->handle);
	fx_iocb.entry_count = entry_cnt;

	if (sp->type == SRB_FXIOCB_DCMD) {
		fx_iocb.func_num =
3385 3386 3387 3388 3389 3390
		    sp->u.iocb_cmd.u.fxiocb.req_func_type;
		fx_iocb.adapid = fxio->u.fxiocb.adapter_id;
		fx_iocb.adapid_hi = fxio->u.fxiocb.adapter_id_hi;
		fx_iocb.reserved_0 = fxio->u.fxiocb.reserved_0;
		fx_iocb.reserved_1 = fxio->u.fxiocb.reserved_1;
		fx_iocb.dataword_extra = fxio->u.fxiocb.req_data_extra;
3391 3392 3393 3394 3395 3396 3397 3398 3399 3400 3401 3402 3403 3404 3405 3406 3407 3408 3409 3410 3411 3412 3413 3414 3415 3416

		if (fxio->u.fxiocb.flags & SRB_FXDISC_REQ_DMA_VALID) {
			fx_iocb.req_dsdcnt = cpu_to_le16(1);
			fx_iocb.req_xfrcnt =
			    cpu_to_le16(fxio->u.fxiocb.req_len);
			fx_iocb.dseg_rq_address[0] =
			    cpu_to_le32(LSD(fxio->u.fxiocb.req_dma_handle));
			fx_iocb.dseg_rq_address[1] =
			    cpu_to_le32(MSD(fxio->u.fxiocb.req_dma_handle));
			fx_iocb.dseg_rq_len =
			    cpu_to_le32(fxio->u.fxiocb.req_len);
		}

		if (fxio->u.fxiocb.flags & SRB_FXDISC_RESP_DMA_VALID) {
			fx_iocb.rsp_dsdcnt = cpu_to_le16(1);
			fx_iocb.rsp_xfrcnt =
			    cpu_to_le16(fxio->u.fxiocb.rsp_len);
			fx_iocb.dseg_rsp_address[0] =
			    cpu_to_le32(LSD(fxio->u.fxiocb.rsp_dma_handle));
			fx_iocb.dseg_rsp_address[1] =
			    cpu_to_le32(MSD(fxio->u.fxiocb.rsp_dma_handle));
			fx_iocb.dseg_rsp_len =
			    cpu_to_le32(fxio->u.fxiocb.rsp_len);
		}

		if (fxio->u.fxiocb.flags & SRB_FXDISC_REQ_DWRD_VALID) {
3417
			fx_iocb.dataword = fxio->u.fxiocb.req_data;
3418 3419 3420 3421 3422 3423 3424 3425 3426 3427 3428 3429 3430 3431 3432
		}
		fx_iocb.flags = fxio->u.fxiocb.flags;
	} else {
		struct scatterlist *sg;
		bsg_job = sp->u.bsg_job;
		piocb_rqst = (struct qla_mt_iocb_rqst_fx00 *)
			&bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];

		fx_iocb.func_num = piocb_rqst->func_type;
		fx_iocb.adapid = piocb_rqst->adapid;
		fx_iocb.adapid_hi = piocb_rqst->adapid_hi;
		fx_iocb.reserved_0 = piocb_rqst->reserved_0;
		fx_iocb.reserved_1 = piocb_rqst->reserved_1;
		fx_iocb.dataword_extra = piocb_rqst->dataword_extra;
		fx_iocb.dataword = piocb_rqst->dataword;
3433 3434
		fx_iocb.req_xfrcnt = piocb_rqst->req_len;
		fx_iocb.rsp_xfrcnt = piocb_rqst->rsp_len;
3435 3436 3437 3438 3439

		if (piocb_rqst->flags & SRB_FXDISC_REQ_DMA_VALID) {
			int avail_dsds, tot_dsds;
			cont_a64_entry_t lcont_pkt;
			cont_a64_entry_t *cont_pkt = NULL;
3440
			__le32 *cur_dsd;
3441 3442 3443 3444 3445
			int index = 0, cont = 0;

			fx_iocb.req_dsdcnt =
			    cpu_to_le16(bsg_job->request_payload.sg_cnt);
			tot_dsds =
3446 3447
			    bsg_job->request_payload.sg_cnt;
			cur_dsd = (__le32 *)&fx_iocb.dseg_rq_address[0];
3448 3449 3450 3451 3452 3453 3454 3455 3456 3457 3458 3459 3460 3461 3462 3463 3464
			avail_dsds = 1;
			for_each_sg(bsg_job->request_payload.sg_list, sg,
			    tot_dsds, index) {
				dma_addr_t sle_dma;

				/* Allocate additional continuation packets? */
				if (avail_dsds == 0) {
					/*
					 * Five DSDs are available in the Cont.
					 * Type 1 IOCB.
					 */
					memset(&lcont_pkt, 0,
					    REQUEST_ENTRY_SIZE);
					cont_pkt =
					    qlafx00_prep_cont_type1_iocb(
						sp->fcport->vha->req,
						&lcont_pkt);
3465
					cur_dsd = (__le32 *)
3466 3467 3468 3469 3470 3471 3472 3473 3474 3475 3476 3477 3478 3479 3480 3481 3482 3483 3484 3485 3486 3487 3488 3489 3490 3491 3492 3493 3494 3495 3496 3497 3498 3499 3500 3501 3502
					    lcont_pkt.dseg_0_address;
					avail_dsds = 5;
					cont = 1;
					entry_cnt++;
				}

				sle_dma = sg_dma_address(sg);
				*cur_dsd++   = cpu_to_le32(LSD(sle_dma));
				*cur_dsd++   = cpu_to_le32(MSD(sle_dma));
				*cur_dsd++   = cpu_to_le32(sg_dma_len(sg));
				avail_dsds--;

				if (avail_dsds == 0 && cont == 1) {
					cont = 0;
					memcpy_toio(
					    (void __iomem *)cont_pkt,
					    &lcont_pkt, REQUEST_ENTRY_SIZE);
					ql_dump_buffer(
					    ql_dbg_user + ql_dbg_verbose,
					    sp->fcport->vha, 0x3042,
					    (uint8_t *)&lcont_pkt,
					     REQUEST_ENTRY_SIZE);
				}
			}
			if (avail_dsds != 0 && cont == 1) {
				memcpy_toio((void __iomem *)cont_pkt,
				    &lcont_pkt, REQUEST_ENTRY_SIZE);
				ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
				    sp->fcport->vha, 0x3043,
				    (uint8_t *)&lcont_pkt, REQUEST_ENTRY_SIZE);
			}
		}

		if (piocb_rqst->flags & SRB_FXDISC_RESP_DMA_VALID) {
			int avail_dsds, tot_dsds;
			cont_a64_entry_t lcont_pkt;
			cont_a64_entry_t *cont_pkt = NULL;
3503
			__le32 *cur_dsd;
3504 3505 3506 3507
			int index = 0, cont = 0;

			fx_iocb.rsp_dsdcnt =
			   cpu_to_le16(bsg_job->reply_payload.sg_cnt);
3508 3509
			tot_dsds = bsg_job->reply_payload.sg_cnt;
			cur_dsd = (__le32 *)&fx_iocb.dseg_rsp_address[0];
3510 3511 3512 3513 3514 3515 3516 3517 3518 3519 3520 3521 3522 3523 3524 3525 3526 3527
			avail_dsds = 1;

			for_each_sg(bsg_job->reply_payload.sg_list, sg,
			    tot_dsds, index) {
				dma_addr_t sle_dma;

				/* Allocate additional continuation packets? */
				if (avail_dsds == 0) {
					/*
					* Five DSDs are available in the Cont.
					* Type 1 IOCB.
					*/
					memset(&lcont_pkt, 0,
					    REQUEST_ENTRY_SIZE);
					cont_pkt =
					    qlafx00_prep_cont_type1_iocb(
						sp->fcport->vha->req,
						&lcont_pkt);
3528
					cur_dsd = (__le32 *)
3529 3530 3531 3532 3533 3534 3535 3536 3537 3538 3539 3540 3541 3542 3543 3544 3545 3546 3547 3548 3549 3550 3551 3552 3553 3554 3555 3556 3557 3558 3559 3560 3561 3562
					    lcont_pkt.dseg_0_address;
					avail_dsds = 5;
					cont = 1;
					entry_cnt++;
				}

				sle_dma = sg_dma_address(sg);
				*cur_dsd++   = cpu_to_le32(LSD(sle_dma));
				*cur_dsd++   = cpu_to_le32(MSD(sle_dma));
				*cur_dsd++   = cpu_to_le32(sg_dma_len(sg));
				avail_dsds--;

				if (avail_dsds == 0 && cont == 1) {
					cont = 0;
					memcpy_toio((void __iomem *)cont_pkt,
					    &lcont_pkt,
					    REQUEST_ENTRY_SIZE);
					ql_dump_buffer(
					    ql_dbg_user + ql_dbg_verbose,
					    sp->fcport->vha, 0x3045,
					    (uint8_t *)&lcont_pkt,
					    REQUEST_ENTRY_SIZE);
				}
			}
			if (avail_dsds != 0 && cont == 1) {
				memcpy_toio((void __iomem *)cont_pkt,
				    &lcont_pkt, REQUEST_ENTRY_SIZE);
				ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
				    sp->fcport->vha, 0x3046,
				    (uint8_t *)&lcont_pkt, REQUEST_ENTRY_SIZE);
			}
		}

		if (piocb_rqst->flags & SRB_FXDISC_REQ_DWRD_VALID)
3563
			fx_iocb.dataword = piocb_rqst->dataword;
3564 3565 3566 3567 3568 3569 3570 3571
		fx_iocb.flags = piocb_rqst->flags;
		fx_iocb.entry_count = entry_cnt;
	}

	ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
	    sp->fcport->vha, 0x3047,
	    (uint8_t *)&fx_iocb, sizeof(struct fxdisc_entry_fx00));

3572
	memcpy((void *)pfxiocb, &fx_iocb,
3573 3574 3575
	    sizeof(struct fxdisc_entry_fx00));
	wmb();
}