qla_init.c 100.0 KB
Newer Older
L
Linus Torvalds 已提交
1
/*
A
Andrew Vasquez 已提交
2 3
 * QLogic Fibre Channel HBA Driver
 * Copyright (c)  2003-2005 QLogic Corporation
L
Linus Torvalds 已提交
4
 *
A
Andrew Vasquez 已提交
5
 * See LICENSE.qla2xxx for copyright and licensing details.
L
Linus Torvalds 已提交
6 7 8 9
 */
#include "qla_def.h"

#include <linux/delay.h>
10
#include <linux/vmalloc.h>
L
Linus Torvalds 已提交
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

#include "qla_devtbl.h"

/* XXX(hch): this is ugly, but we don't want to pull in exioctl.h */
#ifndef EXT_IS_LUN_BIT_SET
#define EXT_IS_LUN_BIT_SET(P,L) \
    (((P)->mask[L/8] & (0x80 >> (L%8)))?1:0)
#define EXT_SET_LUN_BIT(P,L) \
    ((P)->mask[L/8] |= (0x80 >> (L%8)))
#endif

/*
*  QLogic ISP2x00 Hardware Support Function Prototypes.
*/
static int qla2x00_isp_firmware(scsi_qla_host_t *);
static void qla2x00_resize_request_q(scsi_qla_host_t *);
static int qla2x00_setup_chip(scsi_qla_host_t *);
static void qla2x00_init_response_q_entries(scsi_qla_host_t *);
static int qla2x00_init_rings(scsi_qla_host_t *);
static int qla2x00_fw_ready(scsi_qla_host_t *);
static int qla2x00_configure_hba(scsi_qla_host_t *);
static int qla2x00_configure_loop(scsi_qla_host_t *);
static int qla2x00_configure_local_loop(scsi_qla_host_t *);
static int qla2x00_configure_fabric(scsi_qla_host_t *);
static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *);
static int qla2x00_device_resync(scsi_qla_host_t *);
static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *,
    uint16_t *);

static int qla2x00_restart_isp(scsi_qla_host_t *);

/****************************************************************************/
/*                QLogic ISP2x00 Hardware Support Functions.                */
/****************************************************************************/

/*
* qla2x00_initialize_adapter
*      Initialize board.
*
* Input:
*      ha = adapter block pointer.
*
* Returns:
*      0 = success
*/
int
qla2x00_initialize_adapter(scsi_qla_host_t *ha)
{
	int	rval;
	uint8_t	restart_risc = 0;
	uint8_t	retry;
	uint32_t wait_time;

	/* Clear adapter flags. */
	ha->flags.online = 0;
	ha->flags.reset_active = 0;
	atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
	atomic_set(&ha->loop_state, LOOP_DOWN);
	ha->device_flags = 0;
	ha->dpc_flags = 0;
	ha->flags.management_server_logged_in = 0;
	ha->marker_needed = 0;
	ha->mbx_flags = 0;
	ha->isp_abort_cnt = 0;
	ha->beacon_blink_led = 0;
76
	set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags);
L
Linus Torvalds 已提交
77

78
	qla_printk(KERN_INFO, ha, "Configuring PCI space...\n");
79
	rval = ha->isp_ops.pci_config(ha);
L
Linus Torvalds 已提交
80 81 82 83 84 85
	if (rval) {
		DEBUG2(printk("scsi(%ld): Unable to configure PCI space=n",
		    ha->host_no));
		return (rval);
	}

86
	ha->isp_ops.reset_chip(ha);
L
Linus Torvalds 已提交
87 88

	qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
89

90
	ha->isp_ops.nvram_config(ha);
L
Linus Torvalds 已提交
91 92 93 94 95 96 97 98 99 100 101 102

	qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n");

	retry = 10;
	/*
	 * Try to configure the loop.
	 */
	do {
		restart_risc = 0;

		/* If firmware needs to be loaded */
		if (qla2x00_isp_firmware(ha) != QLA_SUCCESS) {
103
			if ((rval = ha->isp_ops.chip_diag(ha)) == QLA_SUCCESS) {
L
Linus Torvalds 已提交
104 105 106 107 108 109 110 111
				rval = qla2x00_setup_chip(ha);
			}
		}

		if (rval == QLA_SUCCESS &&
		    (rval = qla2x00_init_rings(ha)) == QLA_SUCCESS) {
check_fw_ready_again:
			/*
A
Andrew Vasquez 已提交
112
			 * Wait for a successful LIP up to a maximum
L
Linus Torvalds 已提交
113 114
			 * of (in seconds): RISC login timeout value,
			 * RISC retry count value, and port down retry
A
Andrew Vasquez 已提交
115
			 * value OR a minimum of 4 seconds OR If no
L
Linus Torvalds 已提交
116 117 118 119 120 121
			 * cable, only 5 seconds.
			 */
			rval = qla2x00_fw_ready(ha);
			if (rval == QLA_SUCCESS) {
				clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);

122 123 124
				/* Issue a marker after FW becomes ready. */
				qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);

L
Linus Torvalds 已提交
125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146
				/*
				 * Wait at most MAX_TARGET RSCNs for a stable
				 * link.
				 */
				wait_time = 256;
				do {
					clear_bit(LOOP_RESYNC_NEEDED,
					    &ha->dpc_flags);
					rval = qla2x00_configure_loop(ha);

					if (test_and_clear_bit(ISP_ABORT_NEEDED,
					    &ha->dpc_flags)) {
						restart_risc = 1;
						break;
					}

					/*
					 * If loop state change while we were
					 * discoverying devices then wait for
					 * LIP to complete
					 */

147 148
					if (atomic_read(&ha->loop_state) !=
					    LOOP_READY && retry--) {
L
Linus Torvalds 已提交
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
						goto check_fw_ready_again;
					}
					wait_time--;
				} while (!atomic_read(&ha->loop_down_timer) &&
				    retry &&
				    wait_time &&
				    (test_bit(LOOP_RESYNC_NEEDED,
					&ha->dpc_flags)));

				if (wait_time == 0)
					rval = QLA_FUNCTION_FAILED;
			} else if (ha->device_flags & DFLG_NO_CABLE)
				/* If no cable, then all is good. */
				rval = QLA_SUCCESS;
		}
	} while (restart_risc && retry--);

	if (rval == QLA_SUCCESS) {
		clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
		qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
		ha->marker_needed = 0;

		ha->flags.online = 1;
	} else {
		DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
	}

	return (rval);
}

/**
180
 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
L
Linus Torvalds 已提交
181 182 183 184
 * @ha: HA context
 *
 * Returns 0 on success.
 */
185 186
int
qla2100_pci_config(scsi_qla_host_t *ha)
L
Linus Torvalds 已提交
187
{
188
	uint16_t w, mwi;
189
	uint32_t d;
190
	unsigned long flags;
191
	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
L
Linus Torvalds 已提交
192 193 194 195 196 197 198 199 200

	pci_set_master(ha->pdev);
	mwi = 0;
	if (pci_set_mwi(ha->pdev))
		mwi = PCI_COMMAND_INVALIDATE;
	pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->revision);

	pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
	w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
201 202 203
	pci_write_config_word(ha->pdev, PCI_COMMAND, w);

	/* Reset expansion ROM address decode enable */
204 205 206
	pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
	d &= ~PCI_ROM_ADDRESS_ENABLE;
	pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
L
Linus Torvalds 已提交
207 208 209

	/* Get PCI bus information. */
	spin_lock_irqsave(&ha->hardware_lock, flags);
210
	ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
L
Linus Torvalds 已提交
211 212
	spin_unlock_irqrestore(&ha->hardware_lock, flags);

213 214
	return QLA_SUCCESS;
}
L
Linus Torvalds 已提交
215

216 217 218 219 220 221 222 223 224 225
/**
 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
 * @ha: HA context
 *
 * Returns 0 on success.
 */
int
qla2300_pci_config(scsi_qla_host_t *ha)
{
	uint16_t	w, mwi;
226
	uint32_t	d;
227 228
	unsigned long   flags = 0;
	uint32_t	cnt;
229
	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
L
Linus Torvalds 已提交
230

231 232 233 234 235
	pci_set_master(ha->pdev);
	mwi = 0;
	if (pci_set_mwi(ha->pdev))
		mwi = PCI_COMMAND_INVALIDATE;
	pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->revision);
L
Linus Torvalds 已提交
236

237 238
	pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
	w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
L
Linus Torvalds 已提交
239

240 241
	if (IS_QLA2322(ha) || IS_QLA6322(ha))
		w &= ~PCI_COMMAND_INTX_DISABLE;
L
Linus Torvalds 已提交
242

243 244 245 246 247 248 249 250 251
	/*
	 * If this is a 2300 card and not 2312, reset the
	 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
	 * the 2310 also reports itself as a 2300 so we need to get the
	 * fb revision level -- a 6 indicates it really is a 2300 and
	 * not a 2310.
	 */
	if (IS_QLA2300(ha)) {
		spin_lock_irqsave(&ha->hardware_lock, flags);
L
Linus Torvalds 已提交
252

253
		/* Pause RISC. */
254
		WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
255
		for (cnt = 0; cnt < 30000; cnt++) {
256
			if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
257
				break;
L
Linus Torvalds 已提交
258

259 260
			udelay(10);
		}
L
Linus Torvalds 已提交
261

262
		/* Select FPM registers. */
263 264
		WRT_REG_WORD(&reg->ctrl_status, 0x20);
		RD_REG_WORD(&reg->ctrl_status);
265 266

		/* Get the fb rev level */
267
		ha->fb_rev = RD_FB_CMD_REG(ha, reg);
268 269 270 271 272

		if (ha->fb_rev == FPM_2300)
			w &= ~PCI_COMMAND_INVALIDATE;

		/* Deselect FPM registers. */
273 274
		WRT_REG_WORD(&reg->ctrl_status, 0x0);
		RD_REG_WORD(&reg->ctrl_status);
275 276

		/* Release RISC module. */
277
		WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
278
		for (cnt = 0; cnt < 30000; cnt++) {
279
			if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
280 281 282
				break;

			udelay(10);
L
Linus Torvalds 已提交
283 284
		}

285 286
		spin_unlock_irqrestore(&ha->hardware_lock, flags);
	}
L
Linus Torvalds 已提交
287 288
	pci_write_config_word(ha->pdev, PCI_COMMAND, w);

289 290
	pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);

L
Linus Torvalds 已提交
291
	/* Reset expansion ROM address decode enable */
292 293 294
	pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
	d &= ~PCI_ROM_ADDRESS_ENABLE;
	pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
L
Linus Torvalds 已提交
295

296 297
	/* Get PCI bus information. */
	spin_lock_irqsave(&ha->hardware_lock, flags);
298
	ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
299 300 301
	spin_unlock_irqrestore(&ha->hardware_lock, flags);

	return QLA_SUCCESS;
L
Linus Torvalds 已提交
302 303
}

304 305 306 307 308 309 310 311 312 313
/**
 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
 * @ha: HA context
 *
 * Returns 0 on success.
 */
int
qla24xx_pci_config(scsi_qla_host_t *ha)
{
	uint16_t w, mwi;
314
	uint32_t d;
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
	unsigned long flags = 0;
	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
	int pcix_cmd_reg, pcie_dctl_reg;

	pci_set_master(ha->pdev);
	mwi = 0;
	if (pci_set_mwi(ha->pdev))
		mwi = PCI_COMMAND_INVALIDATE;
	pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->revision);

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

	pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);

	/* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
	pcix_cmd_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX);
	if (pcix_cmd_reg) {
		uint16_t pcix_cmd;

		pcix_cmd_reg += PCI_X_CMD;
		pci_read_config_word(ha->pdev, pcix_cmd_reg, &pcix_cmd);
		pcix_cmd &= ~PCI_X_CMD_MAX_READ;
		pcix_cmd |= 0x0008;
		pci_write_config_word(ha->pdev, pcix_cmd_reg, pcix_cmd);
	}

	/* PCIe -- adjust Maximum Read Request Size (2048). */
	pcie_dctl_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
	if (pcie_dctl_reg) {
		uint16_t pcie_dctl;

		pcie_dctl_reg += PCI_EXP_DEVCTL;
		pci_read_config_word(ha->pdev, pcie_dctl_reg, &pcie_dctl);
		pcie_dctl &= ~PCI_EXP_DEVCTL_READRQ;
		pcie_dctl |= 0x4000;
		pci_write_config_word(ha->pdev, pcie_dctl_reg, pcie_dctl);
	}

	/* Reset expansion ROM address decode enable */
357 358 359
	pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
	d &= ~PCI_ROM_ADDRESS_ENABLE;
	pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
360 361 362 363 364 365 366 367 368

	/* Get PCI bus information. */
	spin_lock_irqsave(&ha->hardware_lock, flags);
	ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
	spin_unlock_irqrestore(&ha->hardware_lock, flags);

	return QLA_SUCCESS;
}

L
Linus Torvalds 已提交
369 370 371 372 373 374 375 376 377 378 379 380
/**
 * qla2x00_isp_firmware() - Choose firmware image.
 * @ha: HA context
 *
 * Returns 0 on success.
 */
static int
qla2x00_isp_firmware(scsi_qla_host_t *ha)
{
	int  rval;

	/* Assume loading risc code */
A
Andrew Vasquez 已提交
381
	rval = QLA_FUNCTION_FAILED;
L
Linus Torvalds 已提交
382 383 384 385 386 387 388

	if (ha->flags.disable_risc_code_load) {
		DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
		    ha->host_no));
		qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n");

		/* Verify checksum of loaded RISC code. */
389
		rval = qla2x00_verify_checksum(ha,
390
		    IS_QLA24XX(ha) || IS_QLA54XX(ha) ? RISC_SADDRESS :
391
		    *ha->brd_info->fw_info[0].fwstart);
L
Linus Torvalds 已提交
392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407
	}

	if (rval) {
		DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
		    ha->host_no));
	}

	return (rval);
}

/**
 * qla2x00_reset_chip() - Reset ISP chip.
 * @ha: HA context
 *
 * Returns 0 on success.
 */
408
void
A
Andrew Vasquez 已提交
409
qla2x00_reset_chip(scsi_qla_host_t *ha)
L
Linus Torvalds 已提交
410 411
{
	unsigned long   flags = 0;
412
	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
L
Linus Torvalds 已提交
413 414 415
	uint32_t	cnt;
	uint16_t	cmd;

416
	ha->isp_ops.disable_intrs(ha);
L
Linus Torvalds 已提交
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

	spin_lock_irqsave(&ha->hardware_lock, flags);

	/* Turn off master enable */
	cmd = 0;
	pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
	cmd &= ~PCI_COMMAND_MASTER;
	pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);

	if (!IS_QLA2100(ha)) {
		/* Pause RISC. */
		WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
		if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
			for (cnt = 0; cnt < 30000; cnt++) {
				if ((RD_REG_WORD(&reg->hccr) &
				    HCCR_RISC_PAUSE) != 0)
					break;
				udelay(100);
			}
		} else {
			RD_REG_WORD(&reg->hccr);	/* PCI Posting. */
			udelay(10);
		}

		/* Select FPM registers. */
		WRT_REG_WORD(&reg->ctrl_status, 0x20);
		RD_REG_WORD(&reg->ctrl_status);		/* PCI Posting. */

		/* FPM Soft Reset. */
		WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
		RD_REG_WORD(&reg->fpm_diag_config);	/* PCI Posting. */

		/* Toggle Fpm Reset. */
		if (!IS_QLA2200(ha)) {
			WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
			RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
		}

		/* Select frame buffer registers. */
		WRT_REG_WORD(&reg->ctrl_status, 0x10);
		RD_REG_WORD(&reg->ctrl_status);		/* PCI Posting. */

		/* Reset frame buffer FIFOs. */
		if (IS_QLA2200(ha)) {
			WRT_FB_CMD_REG(ha, reg, 0xa000);
			RD_FB_CMD_REG(ha, reg);		/* PCI Posting. */
		} else {
			WRT_FB_CMD_REG(ha, reg, 0x00fc);

			/* Read back fb_cmd until zero or 3 seconds max */
			for (cnt = 0; cnt < 3000; cnt++) {
				if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
					break;
				udelay(100);
			}
		}

		/* Select RISC module registers. */
		WRT_REG_WORD(&reg->ctrl_status, 0);
		RD_REG_WORD(&reg->ctrl_status);		/* PCI Posting. */

		/* Reset RISC processor. */
		WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
		RD_REG_WORD(&reg->hccr);		/* PCI Posting. */

		/* Release RISC processor. */
		WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
		RD_REG_WORD(&reg->hccr);		/* PCI Posting. */
	}

	WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
	WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);

	/* Reset ISP chip. */
	WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);

	/* Wait for RISC to recover from reset. */
	if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
		/*
		 * It is necessary to for a delay here since the card doesn't
		 * respond to PCI reads during a reset. On some architectures
		 * this will result in an MCA.
		 */
		udelay(20);
		for (cnt = 30000; cnt; cnt--) {
			if ((RD_REG_WORD(&reg->ctrl_status) &
			    CSR_ISP_SOFT_RESET) == 0)
				break;
			udelay(100);
		}
	} else
		udelay(10);

	/* Reset RISC processor. */
	WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);

	WRT_REG_WORD(&reg->semaphore, 0);

	/* Release RISC processor. */
	WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
	RD_REG_WORD(&reg->hccr);			/* PCI Posting. */

	if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
		for (cnt = 0; cnt < 30000; cnt++) {
521
			if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
L
Linus Torvalds 已提交
522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541
				break;

			udelay(100);
		}
	} else
		udelay(100);

	/* Turn on master enable */
	cmd |= PCI_COMMAND_MASTER;
	pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);

	/* Disable RISC pause on FPM parity error. */
	if (!IS_QLA2100(ha)) {
		WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
		RD_REG_WORD(&reg->hccr);		/* PCI Posting. */
	}

	spin_unlock_irqrestore(&ha->hardware_lock, flags);
}

542
/**
543
 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
544 545 546 547
 * @ha: HA context
 *
 * Returns 0 on success.
 */
548 549
static inline void
qla24xx_reset_risc(scsi_qla_host_t *ha)
550 551 552 553
{
	unsigned long flags = 0;
	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
	uint32_t cnt, d2;
554
	uint16_t wd;
555 556 557 558 559 560 561 562 563 564 565 566 567 568

	spin_lock_irqsave(&ha->hardware_lock, flags);

	/* Reset RISC. */
	WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
	for (cnt = 0; cnt < 30000; cnt++) {
		if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
			break;

		udelay(10);
	}

	WRT_REG_DWORD(&reg->ctrl_status,
	    CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
569
	pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
570

571
	udelay(100);
572 573 574 575 576 577 578 579
	/* Wait for firmware to complete NVRAM accesses. */
	d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
	for (cnt = 10000 ; cnt && d2; cnt--) {
		udelay(5);
		d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
		barrier();
	}

580
	/* Wait for soft-reset to complete. */
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
	d2 = RD_REG_DWORD(&reg->ctrl_status);
	for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
		udelay(5);
		d2 = RD_REG_DWORD(&reg->ctrl_status);
		barrier();
	}

	WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
	RD_REG_DWORD(&reg->hccr);

	WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
	RD_REG_DWORD(&reg->hccr);

	WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
	RD_REG_DWORD(&reg->hccr);

	d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
	for (cnt = 6000000 ; cnt && d2; cnt--) {
		udelay(5);
		d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
		barrier();
	}

	spin_unlock_irqrestore(&ha->hardware_lock, flags);
}

607 608 609 610 611 612 613 614 615 616 617 618 619 620 621
/**
 * qla24xx_reset_chip() - Reset ISP24xx chip.
 * @ha: HA context
 *
 * Returns 0 on success.
 */
void
qla24xx_reset_chip(scsi_qla_host_t *ha)
{
	ha->isp_ops.disable_intrs(ha);

	/* Perform RISC reset. */
	qla24xx_reset_risc(ha);
}

L
Linus Torvalds 已提交
622 623 624 625 626 627
/**
 * qla2x00_chip_diag() - Test chip for proper operation.
 * @ha: HA context
 *
 * Returns 0 on success.
 */
628
int
L
Linus Torvalds 已提交
629 630 631
qla2x00_chip_diag(scsi_qla_host_t *ha)
{
	int		rval;
632
	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
L
Linus Torvalds 已提交
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
	unsigned long	flags = 0;
	uint16_t	data;
	uint32_t	cnt;
	uint16_t	mb[5];

	/* Assume a failed state */
	rval = QLA_FUNCTION_FAILED;

	DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
	    ha->host_no, (u_long)&reg->flash_address));

	spin_lock_irqsave(&ha->hardware_lock, flags);

	/* Reset ISP chip. */
	WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);

	/*
	 * We need to have a delay here since the card will not respond while
	 * in reset causing an MCA on some architectures.
	 */
	udelay(20);
	data = qla2x00_debounce_register(&reg->ctrl_status);
	for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
		udelay(5);
		data = RD_REG_WORD(&reg->ctrl_status);
		barrier();
	}

	if (!cnt)
		goto chip_diag_failed;

	DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
	    ha->host_no));

	/* Reset RISC processor. */
	WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
	WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);

	/* Workaround for QLA2312 PCI parity error */
	if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
		data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
		for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
			udelay(5);
			data = RD_MAILBOX_REG(ha, reg, 0);
A
Andrew Vasquez 已提交
677
			barrier();
L
Linus Torvalds 已提交
678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716
		}
	} else
		udelay(10);

	if (!cnt)
		goto chip_diag_failed;

	/* Check product ID of chip */
	DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", ha->host_no));

	mb[1] = RD_MAILBOX_REG(ha, reg, 1);
	mb[2] = RD_MAILBOX_REG(ha, reg, 2);
	mb[3] = RD_MAILBOX_REG(ha, reg, 3);
	mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
	if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
	    mb[3] != PROD_ID_3) {
		qla_printk(KERN_WARNING, ha,
		    "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]);

		goto chip_diag_failed;
	}
	ha->product_id[0] = mb[1];
	ha->product_id[1] = mb[2];
	ha->product_id[2] = mb[3];
	ha->product_id[3] = mb[4];

	/* Adjust fw RISC transfer size */
	if (ha->request_q_length > 1024)
		ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
	else
		ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
		    ha->request_q_length;

	if (IS_QLA2200(ha) &&
	    RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
		/* Limit firmware transfer size with a 2200A */
		DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
		    ha->host_no));

717
		ha->device_type |= DT_ISP2200A;
L
Linus Torvalds 已提交
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
		ha->fw_transfer_size = 128;
	}

	/* Wrap Incoming Mailboxes Test. */
	spin_unlock_irqrestore(&ha->hardware_lock, flags);

	DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", ha->host_no));
	rval = qla2x00_mbx_reg_test(ha);
	if (rval) {
		DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
		    ha->host_no));
		qla_printk(KERN_WARNING, ha,
		    "Failed mailbox send register test\n");
	}
	else {
		/* Flag a successful rval */
		rval = QLA_SUCCESS;
	}
	spin_lock_irqsave(&ha->hardware_lock, flags);

chip_diag_failed:
	if (rval)
		DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
		    "****\n", ha->host_no));

	spin_unlock_irqrestore(&ha->hardware_lock, flags);

	return (rval);
}

748 749 750 751 752 753 754 755 756 757 758
/**
 * qla24xx_chip_diag() - Test ISP24xx for proper operation.
 * @ha: HA context
 *
 * Returns 0 on success.
 */
int
qla24xx_chip_diag(scsi_qla_host_t *ha)
{
	int rval;

759 760
	/* Perform RISC reset. */
	qla24xx_reset_risc(ha);
761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792

	ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;

	rval = qla2x00_mbx_reg_test(ha);
	if (rval) {
		DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
		    ha->host_no));
		qla_printk(KERN_WARNING, ha,
		    "Failed mailbox send register test\n");
	} else {
		/* Flag a successful rval */
		rval = QLA_SUCCESS;
	}

	return rval;
}

static void
qla2x00_alloc_fw_dump(scsi_qla_host_t *ha)
{
	ha->fw_dumped = 0;
	ha->fw_dump24_len = sizeof(struct qla24xx_fw_dump);
	ha->fw_dump24_len += (ha->fw_memory_size - 0x100000) * sizeof(uint32_t);
	ha->fw_dump24 = vmalloc(ha->fw_dump24_len);
	if (ha->fw_dump24)
		qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware "
		    "dump...\n", ha->fw_dump24_len / 1024);
	else
		qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
		    "firmware dump!!!\n", ha->fw_dump24_len / 1024);
}

L
Linus Torvalds 已提交
793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811
/**
 * qla2x00_resize_request_q() - Resize request queue given available ISP memory.
 * @ha: HA context
 *
 * Returns 0 on success.
 */
static void
qla2x00_resize_request_q(scsi_qla_host_t *ha)
{
	int rval;
	uint16_t fw_iocb_cnt = 0;
	uint16_t request_q_length = REQUEST_ENTRY_CNT_2XXX_EXT_MEM;
	dma_addr_t request_dma;
	request_t *request_ring;

	/* Valid only on recent ISPs. */
	if (IS_QLA2100(ha) || IS_QLA2200(ha))
		return;

812
	if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
813 814
		qla2x00_alloc_fw_dump(ha);

L
Linus Torvalds 已提交
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
	/* Retrieve IOCB counts available to the firmware. */
	rval = qla2x00_get_resource_cnts(ha, NULL, NULL, NULL, &fw_iocb_cnt);
	if (rval)
		return;
	/* No point in continuing if current settings are sufficient. */
	if (fw_iocb_cnt < 1024)
		return;
	if (ha->request_q_length >= request_q_length)
		return;

	/* Attempt to claim larger area for request queue. */
	request_ring = dma_alloc_coherent(&ha->pdev->dev,
	    (request_q_length + 1) * sizeof(request_t), &request_dma,
	    GFP_KERNEL);
	if (request_ring == NULL)
		return;

	/* Resize successful, report extensions. */
	qla_printk(KERN_INFO, ha, "Extended memory detected (%d KB)...\n",
	    (ha->fw_memory_size + 1) / 1024);
	qla_printk(KERN_INFO, ha, "Resizing request queue depth "
	    "(%d -> %d)...\n", ha->request_q_length, request_q_length);

	/* Clear old allocations. */
	dma_free_coherent(&ha->pdev->dev,
	    (ha->request_q_length + 1) * sizeof(request_t), ha->request_ring,
	    ha->request_dma);

	/* Begin using larger queue. */
	ha->request_q_length = request_q_length;
	ha->request_ring = request_ring;
	ha->request_dma = request_dma;
}

/**
 * qla2x00_setup_chip() - Load and start RISC firmware.
 * @ha: HA context
 *
 * Returns 0 on success.
 */
static int
qla2x00_setup_chip(scsi_qla_host_t *ha)
{
858 859
	int rval;
	uint32_t srisc_address = 0;
L
Linus Torvalds 已提交
860 861

	/* Load firmware sequences */
862 863
	rval = ha->isp_ops.load_risc(ha, &srisc_address);
	if (rval == QLA_SUCCESS) {
L
Linus Torvalds 已提交
864 865 866
		DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
		    "code.\n", ha->host_no));

867
		rval = qla2x00_verify_checksum(ha, srisc_address);
L
Linus Torvalds 已提交
868 869 870 871 872
		if (rval == QLA_SUCCESS) {
			/* Start firmware execution. */
			DEBUG(printk("scsi(%ld): Checksum OK, start "
			    "firmware.\n", ha->host_no));

873
			rval = qla2x00_execute_fw(ha, srisc_address);
L
Linus Torvalds 已提交
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
			/* Retrieve firmware information. */
			if (rval == QLA_SUCCESS && ha->fw_major_version == 0) {
				qla2x00_get_fw_version(ha,
				    &ha->fw_major_version,
				    &ha->fw_minor_version,
				    &ha->fw_subminor_version,
				    &ha->fw_attributes, &ha->fw_memory_size);
				qla2x00_resize_request_q(ha);
			}
		} else {
			DEBUG2(printk(KERN_INFO
			    "scsi(%ld): ISP Firmware failed checksum.\n",
			    ha->host_no));
		}
	}

	if (rval) {
		DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
		    ha->host_no));
	}

	return (rval);
}

/**
 * qla2x00_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.
 */
static void
qla2x00_init_response_q_entries(scsi_qla_host_t *ha)
{
	uint16_t cnt;
	response_t *pkt;

	pkt = ha->response_ring_ptr;
	for (cnt = 0; cnt < ha->response_q_length; cnt++) {
		pkt->signature = RESPONSE_PROCESSED;
		pkt++;
	}

}

/**
 * qla2x00_update_fw_options() - Read and process firmware options.
 * @ha: HA context
 *
 * Returns 0 on success.
 */
927
void
L
Linus Torvalds 已提交
928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952
qla2x00_update_fw_options(scsi_qla_host_t *ha)
{
	uint16_t swing, emphasis, tx_sens, rx_sens;

	memset(ha->fw_options, 0, sizeof(ha->fw_options));
	qla2x00_get_fw_options(ha, ha->fw_options);

	if (IS_QLA2100(ha) || IS_QLA2200(ha))
		return;

	/* Serial Link options. */
	DEBUG3(printk("scsi(%ld): Serial link options:\n",
	    ha->host_no));
	DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
	    sizeof(ha->fw_seriallink_options)));

	ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
	if (ha->fw_seriallink_options[3] & BIT_2) {
		ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;

		/*  1G settings */
		swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
		emphasis = (ha->fw_seriallink_options[2] &
		    (BIT_4 | BIT_3)) >> 3;
		tx_sens = ha->fw_seriallink_options[0] &
A
Andrew Vasquez 已提交
953
		    (BIT_3 | BIT_2 | BIT_1 | BIT_0);
L
Linus Torvalds 已提交
954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970
		rx_sens = (ha->fw_seriallink_options[0] &
		    (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
		ha->fw_options[10] = (emphasis << 14) | (swing << 8);
		if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
			if (rx_sens == 0x0)
				rx_sens = 0x3;
			ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
		} else if (IS_QLA2322(ha) || IS_QLA6322(ha))
			ha->fw_options[10] |= BIT_5 |
			    ((rx_sens & (BIT_1 | BIT_0)) << 2) |
			    (tx_sens & (BIT_1 | BIT_0));

		/*  2G settings */
		swing = (ha->fw_seriallink_options[2] &
		    (BIT_7 | BIT_6 | BIT_5)) >> 5;
		emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
		tx_sens = ha->fw_seriallink_options[1] &
A
Andrew Vasquez 已提交
971
		    (BIT_3 | BIT_2 | BIT_1 | BIT_0);
L
Linus Torvalds 已提交
972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992
		rx_sens = (ha->fw_seriallink_options[1] &
		    (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
		ha->fw_options[11] = (emphasis << 14) | (swing << 8);
		if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
			if (rx_sens == 0x0)
				rx_sens = 0x3;
			ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
		} else if (IS_QLA2322(ha) || IS_QLA6322(ha))
			ha->fw_options[11] |= BIT_5 |
			    ((rx_sens & (BIT_1 | BIT_0)) << 2) |
			    (tx_sens & (BIT_1 | BIT_0));
	}

	/* FCP2 options. */
	/*  Return command IOCBs without waiting for an ABTS to complete. */
	ha->fw_options[3] |= BIT_13;

	/* LED scheme. */
	if (ha->flags.enable_led_scheme)
		ha->fw_options[2] |= BIT_12;

993 994 995 996
	/* Detect ISP6312. */
	if (IS_QLA6312(ha))
		ha->fw_options[2] |= BIT_13;

L
Linus Torvalds 已提交
997 998 999 1000
	/* Update firmware options. */
	qla2x00_set_fw_options(ha, ha->fw_options);
}

1001 1002 1003 1004 1005 1006
void
qla24xx_update_fw_options(scsi_qla_host_t *ha)
{
	int rval;

	/* Update Serial Link options. */
1007
	if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
1008 1009
		return;

1010 1011 1012 1013
	rval = qla2x00_set_serdes_params(ha,
	    le16_to_cpu(ha->fw_seriallink_options24[1]),
	    le16_to_cpu(ha->fw_seriallink_options24[2]),
	    le16_to_cpu(ha->fw_seriallink_options24[3]));
1014 1015 1016 1017 1018 1019
	if (rval != QLA_SUCCESS) {
		qla_printk(KERN_WARNING, ha,
		    "Unable to update Serial Link options (%x).\n", rval);
	}
}

1020 1021 1022
void
qla2x00_config_rings(struct scsi_qla_host *ha)
{
1023
	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041

	/* Setup ring parameters in initialization control block. */
	ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
	ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
	ha->init_cb->request_q_length = cpu_to_le16(ha->request_q_length);
	ha->init_cb->response_q_length = cpu_to_le16(ha->response_q_length);
	ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
	ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
	ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
	ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma));

	WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
	WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
	WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
	WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
	RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg));		/* PCI Posting. */
}

1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065
void
qla24xx_config_rings(struct scsi_qla_host *ha)
{
	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
	struct init_cb_24xx *icb;

	/* Setup ring parameters in initialization control block. */
	icb = (struct init_cb_24xx *)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(ha->request_q_length);
	icb->response_q_length = cpu_to_le16(ha->response_q_length);
	icb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
	icb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
	icb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
	icb->response_q_address[1] = cpu_to_le32(MSD(ha->response_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);
	RD_REG_DWORD(&reg->rsp_q_out);
}

L
Linus Torvalds 已提交
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
/**
 * qla2x00_init_rings() - Initializes firmware.
 * @ha: HA context
 *
 * Beginning of request ring has initialization control block already built
 * by nvram config routine.
 *
 * Returns 0 on success.
 */
static int
qla2x00_init_rings(scsi_qla_host_t *ha)
{
	int	rval;
	unsigned long flags = 0;
	int cnt;

	spin_lock_irqsave(&ha->hardware_lock, flags);

	/* Clear outstanding commands array. */
	for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
		ha->outstanding_cmds[cnt] = NULL;

	ha->current_outstanding_cmd = 0;

	/* Clear RSCN queue. */
	ha->rscn_in_ptr = 0;
	ha->rscn_out_ptr = 0;

	/* Initialize firmware. */
	ha->request_ring_ptr  = ha->request_ring;
	ha->req_ring_index    = 0;
	ha->req_q_cnt         = ha->request_q_length;
	ha->response_ring_ptr = ha->response_ring;
	ha->rsp_ring_index    = 0;

	/* Initialize response queue entries */
	qla2x00_init_response_q_entries(ha);

1104
	ha->isp_ops.config_rings(ha);
L
Linus Torvalds 已提交
1105 1106 1107 1108

	spin_unlock_irqrestore(&ha->hardware_lock, flags);

	/* Update any ISP specific firmware options before initialization. */
1109
	ha->isp_ops.update_fw_options(ha);
L
Linus Torvalds 已提交
1110 1111

	DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no));
1112
	rval = qla2x00_init_firmware(ha, ha->init_cb_size);
L
Linus Torvalds 已提交
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
	if (rval) {
		DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
		    ha->host_no));
	} else {
		DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
		    ha->host_no));
	}

	return (rval);
}

/**
 * qla2x00_fw_ready() - Waits for firmware ready.
 * @ha: HA context
 *
 * Returns 0 on success.
 */
static int
qla2x00_fw_ready(scsi_qla_host_t *ha)
{
	int		rval;
	unsigned long	wtime, mtime;
	uint16_t	min_wait;	/* Minimum wait time if loop is down */
	uint16_t	wait_time;	/* Wait time if loop is coming ready */
	uint16_t	fw_state;

	rval = QLA_SUCCESS;

	/* 20 seconds for loop down. */
A
Andrew Vasquez 已提交
1142
	min_wait = 20;
L
Linus Torvalds 已提交
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

	/*
	 * Firmware should take at most one RATOV to login, plus 5 seconds for
	 * our own processing.
	 */
	if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
		wait_time = min_wait;
	}

	/* Min wait time if loop down */
	mtime = jiffies + (min_wait * HZ);

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

	/* Wait for ISP to finish LIP */
	if (!ha->flags.init_done)
 		qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");

	DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
	    ha->host_no));

	do {
		rval = qla2x00_get_firmware_state(ha, &fw_state);
		if (rval == QLA_SUCCESS) {
			if (fw_state < FSTATE_LOSS_OF_SYNC) {
				ha->device_flags &= ~DFLG_NO_CABLE;
			}
			if (fw_state == FSTATE_READY) {
				DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
				    ha->host_no));

				qla2x00_get_retry_cnt(ha, &ha->retry_count,
				    &ha->login_timeout, &ha->r_a_tov);

				rval = QLA_SUCCESS;
				break;
			}

			rval = QLA_FUNCTION_FAILED;

			if (atomic_read(&ha->loop_down_timer) &&
			    (fw_state >= FSTATE_LOSS_OF_SYNC ||
				fw_state == FSTATE_WAIT_AL_PA)) {
				/* Loop down. Timeout on min_wait for states
A
Andrew Vasquez 已提交
1188 1189
				 * other than Wait for Login.
				 */
L
Linus Torvalds 已提交
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
				if (time_after_eq(jiffies, mtime)) {
					qla_printk(KERN_INFO, ha,
					    "Cable is unplugged...\n");

					ha->device_flags |= DFLG_NO_CABLE;
					break;
				}
			}
		} else {
			/* Mailbox cmd failed. Timeout on min_wait. */
			if (time_after_eq(jiffies, mtime))
				break;
		}

		if (time_after_eq(jiffies, wtime))
			break;

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

		DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
		    ha->host_no, fw_state, jiffies));
	} while (1);

	DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
	    ha->host_no, fw_state, jiffies));

	if (rval) {
		DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
		    ha->host_no));
	}

	return (rval);
}

/*
*  qla2x00_configure_hba
*      Setup adapter context.
*
* Input:
*      ha = adapter state pointer.
*
* Returns:
*      0 = success
*
* Context:
*      Kernel context.
*/
static int
qla2x00_configure_hba(scsi_qla_host_t *ha)
{
	int       rval;
	uint16_t      loop_id;
	uint16_t      topo;
	uint8_t       al_pa;
	uint8_t       area;
	uint8_t       domain;
	char		connect_type[22];

	/* Get host addresses. */
	rval = qla2x00_get_adapter_id(ha,
	    &loop_id, &al_pa, &area, &domain, &topo);
	if (rval != QLA_SUCCESS) {
1253
		if (LOOP_TRANSITION(ha) || atomic_read(&ha->loop_down_timer) ||
1254 1255 1256 1257 1258 1259 1260 1261
		    (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
			DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
			    __func__, ha->host_no));
		} else {
			qla_printk(KERN_WARNING, ha,
			    "ERROR -- Unable to get host loop ID.\n");
			set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
		}
L
Linus Torvalds 已提交
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
		return (rval);
	}

	if (topo == 4) {
		qla_printk(KERN_INFO, ha,
			"Cannot get topology - retrying.\n");
		return (QLA_FUNCTION_FAILED);
	}

	ha->loop_id = loop_id;

	/* initialize */
	ha->min_external_loopid = SNS_FIRST_LOOP_ID;
	ha->operating_mode = LOOP;

	switch (topo) {
	case 0:
		DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
		    ha->host_no));
		ha->current_topology = ISP_CFG_NL;
		strcpy(connect_type, "(Loop)");
		break;

	case 1:
		DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
		    ha->host_no));
		ha->current_topology = ISP_CFG_FL;
		strcpy(connect_type, "(FL_Port)");
		break;

	case 2:
		DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
		    ha->host_no));
		ha->operating_mode = P2P;
		ha->current_topology = ISP_CFG_N;
		strcpy(connect_type, "(N_Port-to-N_Port)");
		break;

	case 3:
		DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
		    ha->host_no));
		ha->operating_mode = P2P;
		ha->current_topology = ISP_CFG_F;
		strcpy(connect_type, "(F_Port)");
		break;

	default:
		DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
		    "Using NL.\n",
		    ha->host_no, topo));
		ha->current_topology = ISP_CFG_NL;
		strcpy(connect_type, "(Loop)");
		break;
	}

	/* Save Host port and loop ID. */
	/* byte order - Big Endian */
	ha->d_id.b.domain = domain;
	ha->d_id.b.area = area;
	ha->d_id.b.al_pa = al_pa;

	if (!ha->flags.init_done)
 		qla_printk(KERN_INFO, ha,
		    "Topology - %s, Host Loop address 0x%x\n",
 		    connect_type, ha->loop_id);

	if (rval) {
		DEBUG2_3(printk("scsi(%ld): FAILED.\n", ha->host_no));
	} else {
		DEBUG3(printk("scsi(%ld): exiting normally.\n", ha->host_no));
	}

	return(rval);
}

/*
* NVRAM configuration for ISP 2xxx
*
* Input:
*      ha                = adapter block pointer.
*
* Output:
*      initialization control block in response_ring
*      host adapters parameters in host adapter block
*
* Returns:
*      0 = success.
*/
1350
int
L
Linus Torvalds 已提交
1351 1352
qla2x00_nvram_config(scsi_qla_host_t *ha)
{
1353 1354 1355 1356 1357 1358 1359
	int             rval;
	uint8_t         chksum = 0;
	uint16_t        cnt;
	uint8_t         *dptr1, *dptr2;
	init_cb_t       *icb = ha->init_cb;
	nvram_t         *nv = (nvram_t *)ha->request_ring;
	uint8_t         *ptr = (uint8_t *)ha->request_ring;
1360
	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
L
Linus Torvalds 已提交
1361 1362 1363 1364

	rval = QLA_SUCCESS;

	/* Determine NVRAM starting address. */
1365
	ha->nvram_size = sizeof(nvram_t);
L
Linus Torvalds 已提交
1366 1367 1368 1369 1370 1371
	ha->nvram_base = 0;
	if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
		if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
			ha->nvram_base = 0x80;

	/* Get NVRAM data and calculate checksum. */
1372 1373 1374
	ha->isp_ops.read_nvram(ha, ptr, ha->nvram_base, ha->nvram_size);
	for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
		chksum += *ptr++;
L
Linus Torvalds 已提交
1375 1376 1377

	DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
	DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring,
1378
	    ha->nvram_size));
L
Linus Torvalds 已提交
1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392

	/* Bad NVRAM data, set defaults parameters. */
	if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
	    nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
		/* Reset NVRAM data. */
		qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
		    "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
		    nv->nvram_version);
		qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
		    "invalid -- WWPN) defaults.\n");

		/*
		 * Set default initialization control block.
		 */
1393
		memset(nv, 0, ha->nvram_size);
L
Linus Torvalds 已提交
1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452
		nv->parameter_block_version = ICB_VERSION;

		if (IS_QLA23XX(ha)) {
			nv->firmware_options[0] = BIT_2 | BIT_1;
			nv->firmware_options[1] = BIT_7 | BIT_5;
			nv->add_firmware_options[0] = BIT_5;
			nv->add_firmware_options[1] = BIT_5 | BIT_4;
			nv->frame_payload_size = __constant_cpu_to_le16(2048);
			nv->special_options[1] = BIT_7;
		} else if (IS_QLA2200(ha)) {
			nv->firmware_options[0] = BIT_2 | BIT_1;
			nv->firmware_options[1] = BIT_7 | BIT_5;
			nv->add_firmware_options[0] = BIT_5;
			nv->add_firmware_options[1] = BIT_5 | BIT_4;
			nv->frame_payload_size = __constant_cpu_to_le16(1024);
		} else if (IS_QLA2100(ha)) {
			nv->firmware_options[0] = BIT_3 | BIT_1;
			nv->firmware_options[1] = BIT_5;
			nv->frame_payload_size = __constant_cpu_to_le16(1024);
		}

		nv->max_iocb_allocation = __constant_cpu_to_le16(256);
		nv->execution_throttle = __constant_cpu_to_le16(16);
		nv->retry_count = 8;
		nv->retry_delay = 1;

		nv->port_name[0] = 33;
		nv->port_name[3] = 224;
		nv->port_name[4] = 139;

		nv->login_timeout = 4;

		/*
		 * Set default host adapter parameters
		 */
		nv->host_p[1] = BIT_2;
		nv->reset_delay = 5;
		nv->port_down_retry_count = 8;
		nv->max_luns_per_target = __constant_cpu_to_le16(8);
		nv->link_down_timeout = 60;

		rval = 1;
	}

#if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
	/*
	 * The SN2 does not provide BIOS emulation which means you can't change
	 * potentially bogus BIOS settings. Force the use of default settings
	 * for link rate and frame size.  Hope that the rest of the settings
	 * are valid.
	 */
	if (ia64_platform_is("sn2")) {
		nv->frame_payload_size = __constant_cpu_to_le16(2048);
		if (IS_QLA23XX(ha))
			nv->special_options[1] = BIT_7;
	}
#endif

	/* Reset Initialization control block */
1453
	memset(icb, 0, ha->init_cb_size);
L
Linus Torvalds 已提交
1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465

	/*
	 * Setup driver NVRAM options.
	 */
	nv->firmware_options[0] |= (BIT_6 | BIT_1);
	nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
	nv->firmware_options[1] |= (BIT_5 | BIT_0);
	nv->firmware_options[1] &= ~BIT_4;

	if (IS_QLA23XX(ha)) {
		nv->firmware_options[0] |= BIT_2;
		nv->firmware_options[0] &= ~BIT_3;
1466
		nv->add_firmware_options[1] |= BIT_5 | BIT_4;
L
Linus Torvalds 已提交
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

		if (IS_QLA2300(ha)) {
			if (ha->fb_rev == FPM_2310) {
				strcpy(ha->model_number, "QLA2310");
			} else {
				strcpy(ha->model_number, "QLA2300");
			}
		} else {
			if (rval == 0 &&
			    memcmp(nv->model_number, BINZERO,
				    sizeof(nv->model_number)) != 0) {
				char *st, *en;

				strncpy(ha->model_number, nv->model_number,
				    sizeof(nv->model_number));
				st = en = ha->model_number;
				en += sizeof(nv->model_number) - 1;
				while (en > st) {
					if (*en != 0x20 && *en != 0x00)
						break;
					*en-- = '\0';
				}
			} else {
				uint16_t        index;

				index = (ha->pdev->subsystem_device & 0xff);
				if (index < QLA_MODEL_NAMES) {
					strcpy(ha->model_number,
1495
					    qla2x00_model_name[index * 2]);
L
Linus Torvalds 已提交
1496
					ha->model_desc =
1497
					    qla2x00_model_name[index * 2 + 1];
L
Linus Torvalds 已提交
1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 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
				} else {
					strcpy(ha->model_number, "QLA23xx");
				}
			}
		}
	} else if (IS_QLA2200(ha)) {
		nv->firmware_options[0] |= BIT_2;
		/*
		 * 'Point-to-point preferred, else loop' is not a safe
		 * connection mode setting.
		 */
		if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
		    (BIT_5 | BIT_4)) {
			/* Force 'loop preferred, else point-to-point'. */
			nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
			nv->add_firmware_options[0] |= BIT_5;
		}
		strcpy(ha->model_number, "QLA22xx");
	} else /*if (IS_QLA2100(ha))*/ {
		strcpy(ha->model_number, "QLA2100");
	}

	/*
	 * Copy over NVRAM RISC parameter block to initialization control block.
	 */
	dptr1 = (uint8_t *)icb;
	dptr2 = (uint8_t *)&nv->parameter_block_version;
	cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
	while (cnt--)
		*dptr1++ = *dptr2++;

	/* Copy 2nd half. */
	dptr1 = (uint8_t *)icb->add_firmware_options;
	cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
	while (cnt--)
		*dptr1++ = *dptr2++;

	/* Prepare nodename */
	if ((icb->firmware_options[1] & BIT_6) == 0) {
		/*
		 * Firmware will apply the following mask if the nodename was
		 * not provided.
		 */
		memcpy(icb->node_name, icb->port_name, WWN_SIZE);
		icb->node_name[0] &= 0xF0;
	}

	/*
	 * Set host adapter parameters.
	 */
	ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
	/* Always load RISC code on non ISP2[12]00 chips. */
	if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
		ha->flags.disable_risc_code_load = 0;
	ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
	ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
	ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
1555
	ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
L
Linus Torvalds 已提交
1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566

	ha->operating_mode =
	    (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;

	memcpy(ha->fw_seriallink_options, nv->seriallink_options,
	    sizeof(ha->fw_seriallink_options));

	/* save HBA serial number */
	ha->serial0 = icb->port_name[5];
	ha->serial1 = icb->port_name[6];
	ha->serial2 = icb->port_name[7];
1567 1568
	ha->node_name = icb->node_name;
	ha->port_name = icb->port_name;
L
Linus Torvalds 已提交
1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595

	icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);

	ha->retry_count = nv->retry_count;

	/* Set minimum login_timeout to 4 seconds. */
	if (nv->login_timeout < ql2xlogintimeout)
		nv->login_timeout = ql2xlogintimeout;
	if (nv->login_timeout < 4)
		nv->login_timeout = 4;
	ha->login_timeout = nv->login_timeout;
	icb->login_timeout = nv->login_timeout;

	/* Set minimum RATOV to 200 tenths of a second. */
	ha->r_a_tov = 200;

	ha->loop_reset_delay = nv->reset_delay;

	/* Link Down Timeout = 0:
	 *
	 * 	When Port Down timer expires we will start returning
	 *	I/O's to OS with "DID_NO_CONNECT".
	 *
	 * Link Down Timeout != 0:
	 *
	 *	 The driver waits for the link to come up after link down
	 *	 before returning I/Os to OS with "DID_NO_CONNECT".
A
Andrew Vasquez 已提交
1596
	 */
L
Linus Torvalds 已提交
1597 1598
	if (nv->link_down_timeout == 0) {
		ha->loop_down_abort_time =
1599
		    (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
L
Linus Torvalds 已提交
1600 1601 1602 1603
	} else {
		ha->link_down_timeout =	 nv->link_down_timeout;
		ha->loop_down_abort_time =
		    (LOOP_DOWN_TIME - ha->link_down_timeout);
A
Andrew Vasquez 已提交
1604
	}
L
Linus Torvalds 已提交
1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637

	/*
	 * Need enough time to try and get the port back.
	 */
	ha->port_down_retry_count = nv->port_down_retry_count;
	if (qlport_down_retry)
		ha->port_down_retry_count = qlport_down_retry;
	/* Set login_retry_count */
	ha->login_retry_count  = nv->retry_count;
	if (ha->port_down_retry_count == nv->port_down_retry_count &&
	    ha->port_down_retry_count > 3)
		ha->login_retry_count = ha->port_down_retry_count;
	else if (ha->port_down_retry_count > (int)ha->login_retry_count)
		ha->login_retry_count = ha->port_down_retry_count;
	if (ql2xloginretrycount)
		ha->login_retry_count = ql2xloginretrycount;

	icb->lun_enables = __constant_cpu_to_le16(0);
	icb->command_resource_count = 0;
	icb->immediate_notify_resource_count = 0;
	icb->timeout = __constant_cpu_to_le16(0);

	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
		/* Enable RIO */
		icb->firmware_options[0] &= ~BIT_3;
		icb->add_firmware_options[0] &=
		    ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
		icb->add_firmware_options[0] |= BIT_2;
		icb->response_accumulation_timer = 3;
		icb->interrupt_delay_timer = 5;

		ha->flags.process_response_queue = 1;
	} else {
1638 1639 1640 1641 1642 1643 1644
		/* Enable ZIO. */
		if (!ha->flags.init_done) {
			ha->zio_mode = icb->add_firmware_options[0] &
			    (BIT_3 | BIT_2 | BIT_1 | BIT_0);
			ha->zio_timer = icb->interrupt_delay_timer ?
			    icb->interrupt_delay_timer: 2;
		}
L
Linus Torvalds 已提交
1645 1646
		icb->add_firmware_options[0] &=
		    ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1647 1648
		ha->flags.process_response_queue = 0;
		if (ha->zio_mode != QLA_ZIO_DISABLED) {
1649 1650
			ha->zio_mode = QLA_ZIO_MODE_6;

1651 1652 1653
			DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
			    "delay (%d us).\n", ha->host_no, ha->zio_mode,
			    ha->zio_timer * 100));
L
Linus Torvalds 已提交
1654
			qla_printk(KERN_INFO, ha,
1655 1656
			    "ZIO mode %d enabled; timer delay (%d us).\n",
			    ha->zio_mode, ha->zio_timer * 100);
L
Linus Torvalds 已提交
1657

1658 1659
			icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
			icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
L
Linus Torvalds 已提交
1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670
			ha->flags.process_response_queue = 1;
		}
	}

	if (rval) {
		DEBUG2_3(printk(KERN_WARNING
		    "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
	}
	return (rval);
}

1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682
static void
qla2x00_rport_add(void *data)
{
	fc_port_t *fcport = data;

	qla2x00_reg_remote_port(fcport->ha, fcport);
}

static void
qla2x00_rport_del(void *data)
{
	fc_port_t *fcport = data;
1683 1684 1685 1686 1687 1688 1689 1690 1691
	struct fc_rport *rport;
	unsigned long flags;

	spin_lock_irqsave(&fcport->rport_lock, flags);
	rport = fcport->drport;
	fcport->drport = NULL;
	spin_unlock_irqrestore(&fcport->rport_lock, flags);
	if (rport)
		fc_remote_port_delete(rport);
1692 1693 1694

}

L
Linus Torvalds 已提交
1695 1696 1697 1698 1699 1700 1701 1702
/**
 * qla2x00_alloc_fcport() - Allocate a generic fcport.
 * @ha: HA context
 * @flags: allocation flags
 *
 * Returns a pointer to the allocated fcport, or NULL, if none available.
 */
fc_port_t *
A
Al Viro 已提交
1703
qla2x00_alloc_fcport(scsi_qla_host_t *ha, gfp_t flags)
L
Linus Torvalds 已提交
1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718
{
	fc_port_t *fcport;

	fcport = kmalloc(sizeof(fc_port_t), flags);
	if (fcport == NULL)
		return (fcport);

	/* Setup fcport template structure. */
	memset(fcport, 0, sizeof (fc_port_t));
	fcport->ha = ha;
	fcport->port_type = FCT_UNKNOWN;
	fcport->loop_id = FC_NO_LOOP_ID;
	fcport->iodesc_idx_sent = IODESC_INVALID_INDEX;
	atomic_set(&fcport->state, FCS_UNCONFIGURED);
	fcport->flags = FCF_RLC_SUPPORT;
1719
	fcport->supported_classes = FC_COS_UNSPECIFIED;
1720
	spin_lock_init(&fcport->rport_lock);
1721 1722
	INIT_WORK(&fcport->rport_add_work, qla2x00_rport_add, fcport);
	INIT_WORK(&fcport->rport_del_work, qla2x00_rport_del, fcport);
L
Linus Torvalds 已提交
1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739

	return (fcport);
}

/*
 * qla2x00_configure_loop
 *      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.
 */
static int
A
Andrew Vasquez 已提交
1740
qla2x00_configure_loop(scsi_qla_host_t *ha)
L
Linus Torvalds 已提交
1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798
{
	int  rval;
	unsigned long flags, save_flags;

	rval = QLA_SUCCESS;

	/* Get Initiator ID */
	if (test_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags)) {
		rval = qla2x00_configure_hba(ha);
		if (rval != QLA_SUCCESS) {
			DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
			    ha->host_no));
			return (rval);
		}
	}

	save_flags = flags = ha->dpc_flags;
	DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
	    ha->host_no, flags));

	/*
	 * If we have both an RSCN and PORT UPDATE pending then handle them
	 * both at the same time.
	 */
	clear_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
	clear_bit(RSCN_UPDATE, &ha->dpc_flags);

	/* Determine what we need to do */
	if (ha->current_topology == ISP_CFG_FL &&
	    (test_bit(LOCAL_LOOP_UPDATE, &flags))) {

		ha->flags.rscn_queue_overflow = 1;
		set_bit(RSCN_UPDATE, &flags);

	} else if (ha->current_topology == ISP_CFG_F &&
	    (test_bit(LOCAL_LOOP_UPDATE, &flags))) {

		ha->flags.rscn_queue_overflow = 1;
		set_bit(RSCN_UPDATE, &flags);
		clear_bit(LOCAL_LOOP_UPDATE, &flags);

	} else if (!ha->flags.online ||
	    (test_bit(ABORT_ISP_ACTIVE, &flags))) {

		ha->flags.rscn_queue_overflow = 1;
		set_bit(RSCN_UPDATE, &flags);
		set_bit(LOCAL_LOOP_UPDATE, &flags);
	}

	if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
		if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
			rval = QLA_FUNCTION_FAILED;
		} else {
			rval = qla2x00_configure_local_loop(ha);
		}
	}

	if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
1799
		if (LOOP_TRANSITION(ha)) {
L
Linus Torvalds 已提交
1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847
			rval = QLA_FUNCTION_FAILED;
		} else {
			rval = qla2x00_configure_fabric(ha);
		}
	}

	if (rval == QLA_SUCCESS) {
		if (atomic_read(&ha->loop_down_timer) ||
		    test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
			rval = QLA_FUNCTION_FAILED;
		} else {
			atomic_set(&ha->loop_state, LOOP_READY);

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

	if (rval) {
		DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
		    __func__, ha->host_no));
	} else {
		DEBUG3(printk("%s: exiting normally\n", __func__));
	}

	/* Restore state if a resync event occured during processing */
	if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
		if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
			set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
		if (test_bit(RSCN_UPDATE, &save_flags))
			set_bit(RSCN_UPDATE, &ha->dpc_flags);
	}

	return (rval);
}



/*
 * qla2x00_configure_local_loop
 *	Updates Fibre Channel Device Database with local loop devices.
 *
 * Input:
 *	ha = adapter block pointer.
 *
 * Returns:
 *	0 = success.
 */
static int
A
Andrew Vasquez 已提交
1848
qla2x00_configure_local_loop(scsi_qla_host_t *ha)
L
Linus Torvalds 已提交
1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910
{
	int		rval, rval2;
	int		found_devs;
	int		found;
	fc_port_t	*fcport, *new_fcport;

	uint16_t	index;
	uint16_t	entries;
	char		*id_iter;
	uint16_t	loop_id;
	uint8_t		domain, area, al_pa;

	found_devs = 0;
	new_fcport = NULL;
	entries = MAX_FIBRE_DEVICES;

	DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", ha->host_no));
	DEBUG3(qla2x00_get_fcal_position_map(ha, NULL));

	/* Get list of logged in devices. */
	memset(ha->gid_list, 0, GID_LIST_SIZE);
	rval = qla2x00_get_id_list(ha, ha->gid_list, ha->gid_list_dma,
	    &entries);
	if (rval != QLA_SUCCESS)
		goto cleanup_allocation;

	DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
	    ha->host_no, entries));
	DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
	    entries * sizeof(struct gid_list_info)));

	/* Allocate temporary fcport for any new fcports discovered. */
	new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
	if (new_fcport == NULL) {
		rval = QLA_MEMORY_ALLOC_FAILED;
		goto cleanup_allocation;
	}
	new_fcport->flags &= ~FCF_FABRIC_DEVICE;

	/*
	 * Mark local devices that were present with FCF_DEVICE_LOST for now.
	 */
	list_for_each_entry(fcport, &ha->fcports, list) {
		if (atomic_read(&fcport->state) == FCS_ONLINE &&
		    fcport->port_type != FCT_BROADCAST &&
		    (fcport->flags & FCF_FABRIC_DEVICE) == 0) {

			DEBUG(printk("scsi(%ld): Marking port lost, "
			    "loop_id=0x%04x\n",
			    ha->host_no, fcport->loop_id));

			atomic_set(&fcport->state, FCS_DEVICE_LOST);
			fcport->flags &= ~FCF_FARP_DONE;
		}
	}

	/* Add devices to port list. */
	id_iter = (char *)ha->gid_list;
	for (index = 0; index < entries; index++) {
		domain = ((struct gid_list_info *)id_iter)->domain;
		area = ((struct gid_list_info *)id_iter)->area;
		al_pa = ((struct gid_list_info *)id_iter)->al_pa;
1911
		if (IS_QLA2100(ha) || IS_QLA2200(ha))
L
Linus Torvalds 已提交
1912 1913
			loop_id = (uint16_t)
			    ((struct gid_list_info *)id_iter)->loop_id_2100;
1914
		else
L
Linus Torvalds 已提交
1915 1916
			loop_id = le16_to_cpu(
			    ((struct gid_list_info *)id_iter)->loop_id);
1917
		id_iter += ha->gid_list_info_size;
L
Linus Torvalds 已提交
1918 1919 1920 1921 1922 1923

		/* Bypass reserved domain fields. */
		if ((domain & 0xf0) == 0xf0)
			continue;

		/* Bypass if not same domain and area of adapter. */
1924 1925
		if (area && domain &&
		    (area != ha->d_id.b.area || domain != ha->d_id.b.domain))
L
Linus Torvalds 已提交
1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942
			continue;

		/* Bypass invalid local loop ID. */
		if (loop_id > LAST_LOCAL_LOOP_ID)
			continue;

		/* Fill in member data. */
		new_fcport->d_id.b.domain = domain;
		new_fcport->d_id.b.area = area;
		new_fcport->d_id.b.al_pa = al_pa;
		new_fcport->loop_id = loop_id;
		rval2 = qla2x00_get_port_database(ha, new_fcport, 0);
		if (rval2 != QLA_SUCCESS) {
			DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
			    "information -- get_port_database=%x, "
			    "loop_id=0x%04x\n",
			    ha->host_no, rval2, new_fcport->loop_id));
1943 1944 1945
			DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
			    ha->host_no));
			set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
L
Linus Torvalds 已提交
1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989
			continue;
		}

		/* Check for matching device in port list. */
		found = 0;
		fcport = NULL;
		list_for_each_entry(fcport, &ha->fcports, list) {
			if (memcmp(new_fcport->port_name, fcport->port_name,
			    WWN_SIZE))
				continue;

			fcport->flags &= ~(FCF_FABRIC_DEVICE |
			    FCF_PERSISTENT_BOUND);
			fcport->loop_id = new_fcport->loop_id;
			fcport->port_type = new_fcport->port_type;
			fcport->d_id.b24 = new_fcport->d_id.b24;
			memcpy(fcport->node_name, new_fcport->node_name,
			    WWN_SIZE);

			found++;
			break;
		}

		if (!found) {
			/* New device, add to fcports list. */
			new_fcport->flags &= ~FCF_PERSISTENT_BOUND;
			list_add_tail(&new_fcport->list, &ha->fcports);

			/* Allocate a new replacement fcport. */
			fcport = new_fcport;
			new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
			if (new_fcport == NULL) {
				rval = QLA_MEMORY_ALLOC_FAILED;
				goto cleanup_allocation;
			}
			new_fcport->flags &= ~FCF_FABRIC_DEVICE;
		}

		qla2x00_update_fcport(ha, fcport);

		found_devs++;
	}

cleanup_allocation:
J
Jesper Juhl 已提交
1990
	kfree(new_fcport);
L
Linus Torvalds 已提交
1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005

	if (rval != QLA_SUCCESS) {
		DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
		    "rval=%x\n", ha->host_no, rval));
	}

	if (found_devs) {
		ha->device_flags |= DFLG_LOCAL_DEVICES;
		ha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES;
	}

	return (rval);
}

static void
A
Andrew Vasquez 已提交
2006
qla2x00_probe_for_all_luns(scsi_qla_host_t *ha)
L
Linus Torvalds 已提交
2007 2008 2009
{
	fc_port_t	*fcport;

2010
	qla2x00_mark_all_devices_lost(ha, 0);
L
Linus Torvalds 已提交
2011 2012 2013 2014
 	list_for_each_entry(fcport, &ha->fcports, list) {
		if (fcport->port_type != FCT_TARGET)
			continue;

A
Andrew Vasquez 已提交
2015
		qla2x00_update_fcport(ha, fcport);
L
Linus Torvalds 已提交
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033
	}
}

/*
 * qla2x00_update_fcport
 *	Updates device on list.
 *
 * Input:
 *	ha = adapter block pointer.
 *	fcport = port structure pointer.
 *
 * Return:
 *	0  - Success
 *  BIT_0 - error
 *
 * Context:
 *	Kernel context.
 */
2034
void
L
Linus Torvalds 已提交
2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045
qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
{
	fcport->ha = ha;
	fcport->login_retry = 0;
	fcport->port_login_retry_count = ha->port_down_retry_count *
	    PORT_RETRY_TIME;
	atomic_set(&fcport->port_down_timer, ha->port_down_retry_count *
	    PORT_RETRY_TIME);
	fcport->flags &= ~FCF_LOGIN_NEEDED;

	if (fcport->port_type == FCT_INITIATOR ||
2046
	    fcport->port_type == FCT_BROADCAST)
L
Linus Torvalds 已提交
2047
		fcport->device_type = TYPE_PROCESSOR;
2048

L
Linus Torvalds 已提交
2049
	atomic_set(&fcport->state, FCS_ONLINE);
2050

已提交
2051 2052
	if (ha->flags.init_done)
		qla2x00_reg_remote_port(ha, fcport);
L
Linus Torvalds 已提交
2053 2054
}

已提交
2055 2056 2057 2058
void
qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport)
{
	struct fc_rport_identifiers rport_ids;
2059
	struct fc_rport *rport;
2060
	unsigned long flags;
已提交
2061

2062 2063 2064 2065
	if (fcport->drport)
		qla2x00_rport_del(fcport);
	if (fcport->rport)
		return;
已提交
2066

2067 2068
	rport_ids.node_name = wwn_to_u64(fcport->node_name);
	rport_ids.port_name = wwn_to_u64(fcport->port_name);
已提交
2069 2070
	rport_ids.port_id = fcport->d_id.b.domain << 16 |
	    fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2071
	rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2072
	rport = fc_remote_port_add(ha->host, 0, &rport_ids);
2073 2074 2075 2076 2077
	if (!rport) {
		qla_printk(KERN_WARNING, ha,
		    "Unable to allocate fc remote port!\n");
		return;
	}
2078 2079
	spin_lock_irqsave(&fcport->rport_lock, flags);
	fcport->rport = rport;
2080
	*((fc_port_t **)rport->dd_data) = fcport;
2081 2082
	spin_unlock_irqrestore(&fcport->rport_lock, flags);

2083
	rport->supported_classes = fcport->supported_classes;
2084

已提交
2085 2086 2087 2088 2089
	rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
	if (fcport->port_type == FCT_INITIATOR)
		rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
	if (fcport->port_type == FCT_TARGET)
		rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
2090
	fc_remote_port_rolechg(rport, rport_ids.roles);
L
Linus Torvalds 已提交
2091

2092 2093
	if (rport->scsi_target_id != -1 &&
	    rport->scsi_target_id < ha->host->max_id)
2094
		fcport->os_target_id = rport->scsi_target_id;
L
Linus Torvalds 已提交
2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111 2112 2113 2114
}

/*
 * qla2x00_configure_fabric
 *      Setup SNS devices with loop ID's.
 *
 * Input:
 *      ha = adapter block pointer.
 *
 * Returns:
 *      0 = success.
 *      BIT_0 = error
 */
static int
qla2x00_configure_fabric(scsi_qla_host_t *ha)
{
	int	rval, rval2;
	fc_port_t	*fcport, *fcptemp;
	uint16_t	next_loopid;
	uint16_t	mb[MAILBOX_REGISTER_COUNT];
2115
	uint16_t	loop_id;
L
Linus Torvalds 已提交
2116 2117 2118
	LIST_HEAD(new_fcports);

	/* If FL port exists, then SNS is present */
2119
	if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
2120 2121 2122 2123
		loop_id = NPH_F_PORT;
	else
		loop_id = SNS_FL_PORT;
	rval = qla2x00_get_port_name(ha, loop_id, NULL, 0);
L
Linus Torvalds 已提交
2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138
	if (rval != QLA_SUCCESS) {
		DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
		    "Port\n", ha->host_no));

		ha->device_flags &= ~SWITCH_FOUND;
		return (QLA_SUCCESS);
	}

	/* Mark devices that need re-synchronization. */
	rval2 = qla2x00_device_resync(ha);
	if (rval2 == QLA_RSCNS_HANDLED) {
		/* No point doing the scan, just continue. */
		return (QLA_SUCCESS);
	}
	do {
2139 2140 2141 2142 2143
		/* FDMI support. */
		if (ql2xfdmienable &&
		    test_and_clear_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags))
			qla2x00_fdmi_register(ha);

L
Linus Torvalds 已提交
2144
		/* Ensure we are logged into the SNS. */
2145
		if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
2146 2147 2148 2149
			loop_id = NPH_SNS;
		else
			loop_id = SIMPLE_NAME_SERVER;
		ha->isp_ops.fabric_login(ha, loop_id, 0xff, 0xff,
2150
		    0xfc, mb, BIT_1 | BIT_0);
L
Linus Torvalds 已提交
2151 2152 2153
		if (mb[0] != MBS_COMMAND_COMPLETE) {
			DEBUG2(qla_printk(KERN_INFO, ha,
			    "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
2154
			    "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
L
Linus Torvalds 已提交
2155 2156 2157 2158 2159 2160 2161 2162 2163 2164 2165 2166 2167 2168 2169 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
			    mb[0], mb[1], mb[2], mb[6], mb[7]));
			return (QLA_SUCCESS);
		}

		if (test_and_clear_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags)) {
			if (qla2x00_rft_id(ha)) {
				/* EMPTY */
				DEBUG2(printk("scsi(%ld): Register FC-4 "
				    "TYPE failed.\n", ha->host_no));
			}
			if (qla2x00_rff_id(ha)) {
				/* EMPTY */
				DEBUG2(printk("scsi(%ld): Register FC-4 "
				    "Features failed.\n", ha->host_no));
			}
			if (qla2x00_rnn_id(ha)) {
				/* EMPTY */
				DEBUG2(printk("scsi(%ld): Register Node Name "
				    "failed.\n", ha->host_no));
			} else if (qla2x00_rsnn_nn(ha)) {
				/* EMPTY */
				DEBUG2(printk("scsi(%ld): Register Symbolic "
				    "Node Name failed.\n", ha->host_no));
			}
		}

		rval = qla2x00_find_all_fabric_devs(ha, &new_fcports);
		if (rval != QLA_SUCCESS)
			break;

		/*
		 * Logout all previous fabric devices marked lost, except
		 * tape devices.
		 */
		list_for_each_entry(fcport, &ha->fcports, list) {
			if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
				break;

			if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
				continue;

			if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
				qla2x00_mark_device_lost(ha, fcport,
2198
				    ql2xplogiabsentdevice, 0);
L
Linus Torvalds 已提交
2199 2200 2201 2202
				if (fcport->loop_id != FC_NO_LOOP_ID &&
				    (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
				    fcport->port_type != FCT_INITIATOR &&
				    fcport->port_type != FCT_BROADCAST) {
2203
					ha->isp_ops.fabric_logout(ha,
2204 2205 2206 2207
					    fcport->loop_id,
					    fcport->d_id.b.domain,
					    fcport->d_id.b.area,
					    fcport->d_id.b.al_pa);
L
Linus Torvalds 已提交
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
					fcport->loop_id = FC_NO_LOOP_ID;
				}
			}
		}

		/* Starting free loop ID. */
		next_loopid = ha->min_external_loopid;

		/*
		 * Scan through our port list and login entries that need to be
		 * logged in.
		 */
		list_for_each_entry(fcport, &ha->fcports, list) {
			if (atomic_read(&ha->loop_down_timer) ||
			    test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
				break;

			if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
			    (fcport->flags & FCF_LOGIN_NEEDED) == 0)
				continue;

			if (fcport->loop_id == FC_NO_LOOP_ID) {
				fcport->loop_id = next_loopid;
				rval = qla2x00_find_new_loop_id(ha, fcport);
				if (rval != QLA_SUCCESS) {
					/* Ran out of IDs to use */
					break;
				}
			}
			/* Login and update database */
			qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
		}

		/* Exit if out of loop IDs. */
		if (rval != QLA_SUCCESS) {
			break;
		}

		/*
		 * Login and add the new devices to our port list.
		 */
		list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
			if (atomic_read(&ha->loop_down_timer) ||
			    test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
				break;

			/* Find a new loop ID to use. */
			fcport->loop_id = next_loopid;
			rval = qla2x00_find_new_loop_id(ha, fcport);
			if (rval != QLA_SUCCESS) {
				/* Ran out of IDs to use */
				break;
			}

			/* Remove device from the new list and add it to DB */
			list_del(&fcport->list);
			list_add_tail(&fcport->list, &ha->fcports);
2265 2266 2267

			/* Login and update database */
			qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
L
Linus Torvalds 已提交
2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 2310 2311 2312 2313 2314 2315 2316 2317 2318 2319 2320 2321 2322 2323 2324 2325 2326 2327 2328 2329 2330 2331 2332 2333 2334 2335 2336 2337
		}
	} while (0);

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

	if (rval) {
		DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
		    "rval=%d\n", ha->host_no, rval));
	}

	return (rval);
}


/*
 * qla2x00_find_all_fabric_devs
 *
 * Input:
 *	ha = adapter block pointer.
 *	dev = database device entry pointer.
 *
 * Returns:
 *	0 = success.
 *
 * Context:
 *	Kernel context.
 */
static int
qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports)
{
	int		rval;
	uint16_t	loop_id;
	fc_port_t	*fcport, *new_fcport, *fcptemp;
	int		found;

	sw_info_t	*swl;
	int		swl_idx;
	int		first_dev, last_dev;
	port_id_t	wrap, nxt_d_id;

	rval = QLA_SUCCESS;

	/* Try GID_PT to get device list, else GAN. */
	swl = kmalloc(sizeof(sw_info_t) * MAX_FIBRE_DEVICES, GFP_ATOMIC);
	if (swl == NULL) {
		/*EMPTY*/
		DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
		    "on GA_NXT\n", ha->host_no));
	} else {
		memset(swl, 0, sizeof(sw_info_t) * MAX_FIBRE_DEVICES);
		if (qla2x00_gid_pt(ha, swl) != QLA_SUCCESS) {
			kfree(swl);
			swl = NULL;
		} else if (qla2x00_gpn_id(ha, swl) != QLA_SUCCESS) {
			kfree(swl);
			swl = NULL;
		} else if (qla2x00_gnn_id(ha, swl) != QLA_SUCCESS) {
			kfree(swl);
			swl = NULL;
		}
	}
	swl_idx = 0;

	/* Allocate temporary fcport for any new fcports discovered. */
	new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
	if (new_fcport == NULL) {
J
Jesper Juhl 已提交
2338
		kfree(swl);
L
Linus Torvalds 已提交
2339 2340 2341 2342 2343 2344 2345 2346 2347 2348 2349
		return (QLA_MEMORY_ALLOC_FAILED);
	}
	new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);

	/* Set start port ID scan at adapter ID. */
	first_dev = 1;
	last_dev = 0;

	/* Starting free loop ID. */
	loop_id = ha->min_external_loopid;
	for (; loop_id <= ha->last_loop_id; loop_id++) {
2350
		if (qla2x00_is_reserved_id(ha, loop_id))
L
Linus Torvalds 已提交
2351 2352
			continue;

2353
		if (atomic_read(&ha->loop_down_timer) || LOOP_TRANSITION(ha))
L
Linus Torvalds 已提交
2354 2355 2356 2357 2358 2359 2360 2361 2362 2363 2364 2365 2366 2367 2368 2369 2370 2371 2372 2373 2374 2375 2376 2377 2378 2379 2380 2381 2382 2383 2384 2385 2386 2387 2388 2389 2390 2391 2392 2393 2394 2395 2396 2397 2398 2399 2400 2401 2402
			break;

		if (swl != NULL) {
			if (last_dev) {
				wrap.b24 = new_fcport->d_id.b24;
			} else {
				new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
				memcpy(new_fcport->node_name,
				    swl[swl_idx].node_name, WWN_SIZE);
				memcpy(new_fcport->port_name,
				    swl[swl_idx].port_name, WWN_SIZE);

				if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
					last_dev = 1;
				}
				swl_idx++;
			}
		} else {
			/* Send GA_NXT to the switch */
			rval = qla2x00_ga_nxt(ha, new_fcport);
			if (rval != QLA_SUCCESS) {
				qla_printk(KERN_WARNING, ha,
				    "SNS scan failed -- assuming zero-entry "
				    "result...\n");
				list_for_each_entry_safe(fcport, fcptemp,
				    new_fcports, list) {
					list_del(&fcport->list);
					kfree(fcport);
				}
				rval = QLA_SUCCESS;
				break;
			}
		}

		/* If wrap on switch device list, exit. */
		if (first_dev) {
			wrap.b24 = new_fcport->d_id.b24;
			first_dev = 0;
		} else if (new_fcport->d_id.b24 == wrap.b24) {
			DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
			    ha->host_no, new_fcport->d_id.b.domain,
			    new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
			break;
		}

		/* Bypass if host adapter. */
		if (new_fcport->d_id.b24 == ha->d_id.b24)
			continue;

2403 2404 2405 2406 2407 2408
		/* Bypass if same domain and area of adapter. */
		if (((new_fcport->d_id.b24 & 0xffff00) ==
		    (ha->d_id.b24 & 0xffff00)) && ha->current_topology ==
			ISP_CFG_FL)
			    continue;

L
Linus Torvalds 已提交
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 2438 2439 2440 2441 2442 2443 2444 2445 2446 2447 2448 2449 2450 2451 2452 2453
		/* Bypass reserved domain fields. */
		if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
			continue;

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

			found++;

			/*
			 * If address the same and state FCS_ONLINE, nothing
			 * changed.
			 */
			if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
			    atomic_read(&fcport->state) == FCS_ONLINE) {
				break;
			}

			/*
			 * If device was not a fabric device before.
			 */
			if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
				fcport->d_id.b24 = new_fcport->d_id.b24;
				fcport->loop_id = FC_NO_LOOP_ID;
				fcport->flags |= (FCF_FABRIC_DEVICE |
				    FCF_LOGIN_NEEDED);
				fcport->flags &= ~FCF_PERSISTENT_BOUND;
				break;
			}

			/*
			 * Port ID changed or device was marked to be updated;
			 * Log it out if still logged in and mark it for
			 * relogin later.
			 */
			fcport->d_id.b24 = new_fcport->d_id.b24;
			fcport->flags |= FCF_LOGIN_NEEDED;
			if (fcport->loop_id != FC_NO_LOOP_ID &&
			    (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
			    fcport->port_type != FCT_INITIATOR &&
			    fcport->port_type != FCT_BROADCAST) {
2454 2455 2456
				ha->isp_ops.fabric_logout(ha, fcport->loop_id,
				    fcport->d_id.b.domain, fcport->d_id.b.area,
				    fcport->d_id.b.al_pa);
L
Linus Torvalds 已提交
2457 2458 2459 2460 2461 2462 2463 2464 2465 2466 2467 2468 2469 2470 2471 2472
				fcport->loop_id = FC_NO_LOOP_ID;
			}

			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. */
		nxt_d_id.b24 = new_fcport->d_id.b24;
		new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
		if (new_fcport == NULL) {
J
Jesper Juhl 已提交
2473
			kfree(swl);
L
Linus Torvalds 已提交
2474 2475 2476 2477 2478 2479
			return (QLA_MEMORY_ALLOC_FAILED);
		}
		new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
		new_fcport->d_id.b24 = nxt_d_id.b24;
	}

J
Jesper Juhl 已提交
2480 2481
	kfree(swl);
	kfree(new_fcport);
L
Linus Torvalds 已提交
2482 2483 2484 2485 2486 2487 2488 2489 2490 2491 2492 2493 2494 2495 2496 2497 2498 2499 2500 2501 2502 2503 2504 2505 2506 2507 2508 2509 2510 2511 2512 2513 2514 2515 2516 2517 2518 2519 2520 2521 2522

	if (!list_empty(new_fcports))
		ha->device_flags |= DFLG_FABRIC_DEVICES;

	return (rval);
}

/*
 * qla2x00_find_new_loop_id
 *	Scan through our port list and find a new usable loop ID.
 *
 * Input:
 *	ha:	adapter state pointer.
 *	dev:	port structure pointer.
 *
 * Returns:
 *	qla2x00 local function return status code.
 *
 * Context:
 *	Kernel context.
 */
int
qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev)
{
	int	rval;
	int	found;
	fc_port_t *fcport;
	uint16_t first_loop_id;

	rval = QLA_SUCCESS;

	/* Save starting loop ID. */
	first_loop_id = dev->loop_id;

	for (;;) {
		/* Skip loop ID if already used by adapter. */
		if (dev->loop_id == ha->loop_id) {
			dev->loop_id++;
		}

		/* Skip reserved loop IDs. */
2523
		while (qla2x00_is_reserved_id(ha, dev->loop_id)) {
L
Linus Torvalds 已提交
2524 2525 2526 2527 2528 2529 2530 2531 2532 2533 2534 2535 2536 2537 2538 2539 2540 2541 2542 2543 2544 2545 2546 2547 2548 2549 2550 2551 2552 2553 2554 2555 2556 2557 2558 2559 2560 2561 2562 2563 2564 2565 2566 2567 2568 2569 2570 2571 2572 2573
			dev->loop_id++;
		}

		/* Reset loop ID if passed the end. */
		if (dev->loop_id > ha->last_loop_id) {
			/* first loop ID. */
			dev->loop_id = ha->min_external_loopid;
		}

		/* Check for loop ID being already in use. */
		found = 0;
		fcport = NULL;
		list_for_each_entry(fcport, &ha->fcports, list) {
			if (fcport->loop_id == dev->loop_id && fcport != dev) {
				/* ID possibly in use */
				found++;
				break;
			}
		}

		/* If not in use then it is free to use. */
		if (!found) {
			break;
		}

		/* ID in use. Try next value. */
		dev->loop_id++;

		/* If wrap around. No free ID to use. */
		if (dev->loop_id == first_loop_id) {
			dev->loop_id = FC_NO_LOOP_ID;
			rval = QLA_FUNCTION_FAILED;
			break;
		}
	}

	return (rval);
}

/*
 * qla2x00_device_resync
 *	Marks devices in the database that needs resynchronization.
 *
 * Input:
 *	ha = adapter block pointer.
 *
 * Context:
 *	Kernel context.
 */
static int
A
Andrew Vasquez 已提交
2574
qla2x00_device_resync(scsi_qla_host_t *ha)
L
Linus Torvalds 已提交
2575 2576 2577 2578 2579 2580 2581 2582 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 2624 2625 2626 2627 2628 2629 2630 2631 2632
{
	int	rval;
	int	rval2;
	uint32_t mask;
	fc_port_t *fcport;
	uint32_t rscn_entry;
	uint8_t rscn_out_iter;
	uint8_t format;
	port_id_t d_id;

	rval = QLA_RSCNS_HANDLED;

	while (ha->rscn_out_ptr != ha->rscn_in_ptr ||
	    ha->flags.rscn_queue_overflow) {

		rscn_entry = ha->rscn_queue[ha->rscn_out_ptr];
		format = MSB(MSW(rscn_entry));
		d_id.b.domain = LSB(MSW(rscn_entry));
		d_id.b.area = MSB(LSW(rscn_entry));
		d_id.b.al_pa = LSB(LSW(rscn_entry));

		DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
		    "[%02x/%02x%02x%02x].\n",
		    ha->host_no, ha->rscn_out_ptr, format, d_id.b.domain,
		    d_id.b.area, d_id.b.al_pa));

		ha->rscn_out_ptr++;
		if (ha->rscn_out_ptr == MAX_RSCN_COUNT)
			ha->rscn_out_ptr = 0;

		/* Skip duplicate entries. */
		for (rscn_out_iter = ha->rscn_out_ptr;
		    !ha->flags.rscn_queue_overflow &&
		    rscn_out_iter != ha->rscn_in_ptr;
		    rscn_out_iter = (rscn_out_iter ==
			(MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {

			if (rscn_entry != ha->rscn_queue[rscn_out_iter])
				break;

			DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
			    "entry found at [%d].\n", ha->host_no,
			    rscn_out_iter));

			ha->rscn_out_ptr = rscn_out_iter;
		}

		/* Queue overflow, set switch default case. */
		if (ha->flags.rscn_queue_overflow) {
			DEBUG(printk("scsi(%ld): device_resync: rscn "
			    "overflow.\n", ha->host_no));

			format = 3;
			ha->flags.rscn_queue_overflow = 0;
		}

		switch (format) {
		case 0:
2633 2634
			if (ql2xprocessrscn &&
			    !IS_QLA2100(ha) && !IS_QLA2200(ha) &&
L
Linus Torvalds 已提交
2635
			    !IS_QLA6312(ha) && !IS_QLA6322(ha) &&
2636
			    !IS_QLA24XX(ha) && !IS_QLA54XX(ha) &&
L
Linus Torvalds 已提交
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
			    ha->flags.init_done) {
				/* Handle port RSCN via asyncronous IOCBs */
				rval2 = qla2x00_handle_port_rscn(ha, rscn_entry,
				    NULL, 0);
				if (rval2 == QLA_SUCCESS)
					continue;
			}
			mask = 0xffffff;
			break;
		case 1:
			mask = 0xffff00;
			break;
		case 2:
			mask = 0xff0000;
			break;
		default:
			mask = 0x0;
			d_id.b24 = 0;
			ha->rscn_out_ptr = ha->rscn_in_ptr;
			break;
		}

		rval = QLA_SUCCESS;

		/* Abort any outstanding IO descriptors. */
		if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
			qla2x00_cancel_io_descriptors(ha);

		list_for_each_entry(fcport, &ha->fcports, list) {
			if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
			    (fcport->d_id.b24 & mask) != d_id.b24 ||
			    fcport->port_type == FCT_BROADCAST)
				continue;

			if (atomic_read(&fcport->state) == FCS_ONLINE) {
				if (format != 3 ||
				    fcport->port_type != FCT_INITIATOR) {
2674 2675
					qla2x00_mark_device_lost(ha, fcport,
					    0, 0);
L
Linus Torvalds 已提交
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
				}
			}
			fcport->flags &= ~FCF_FARP_DONE;
		}
	}
	return (rval);
}

/*
 * qla2x00_fabric_dev_login
 *	Login fabric target device and update FC port database.
 *
 * Input:
 *	ha:		adapter state pointer.
 *	fcport:		port structure list pointer.
 *	next_loopid:	contains value of a new loop ID that can be used
 *			by the next login attempt.
 *
 * Returns:
 *	qla2x00 local function return status code.
 *
 * Context:
 *	Kernel context.
 */
static int
qla2x00_fabric_dev_login(scsi_qla_host_t *ha, fc_port_t *fcport,
    uint16_t *next_loopid)
{
	int	rval;
	int	retry;
2706
	uint8_t opts;
L
Linus Torvalds 已提交
2707 2708 2709 2710 2711 2712

	rval = QLA_SUCCESS;
	retry = 0;

	rval = qla2x00_fabric_login(ha, fcport, next_loopid);
	if (rval == QLA_SUCCESS) {
2713 2714 2715 2716 2717
		/* Send an ADISC to tape devices.*/
		opts = 0;
		if (fcport->flags & FCF_TAPE_PRESENT)
			opts |= BIT_1;
		rval = qla2x00_get_port_database(ha, fcport, opts);
L
Linus Torvalds 已提交
2718
		if (rval != QLA_SUCCESS) {
2719 2720 2721
			ha->isp_ops.fabric_logout(ha, fcport->loop_id,
			    fcport->d_id.b.domain, fcport->d_id.b.area,
			    fcport->d_id.b.al_pa);
2722
			qla2x00_mark_device_lost(ha, fcport, 1, 0);
L
Linus Torvalds 已提交
2723 2724 2725 2726 2727 2728 2729 2730 2731 2732 2733 2734 2735 2736 2737 2738 2739 2740 2741 2742 2743 2744 2745 2746 2747 2748 2749 2750 2751 2752 2753 2754 2755 2756 2757 2758 2759 2760 2761 2762 2763
		} else {
			qla2x00_update_fcport(ha, fcport);
		}
	}

	return (rval);
}

/*
 * qla2x00_fabric_login
 *	Issue fabric login command.
 *
 * Input:
 *	ha = adapter block pointer.
 *	device = pointer to FC device type structure.
 *
 * Returns:
 *      0 - Login successfully
 *      1 - Login failed
 *      2 - Initiator device
 *      3 - Fatal error
 */
int
qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport,
    uint16_t *next_loopid)
{
	int	rval;
	int	retry;
	uint16_t tmp_loopid;
	uint16_t mb[MAILBOX_REGISTER_COUNT];

	retry = 0;
	tmp_loopid = 0;

	for (;;) {
		DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
 		    "for port %02x%02x%02x.\n",
 		    ha->host_no, fcport->loop_id, fcport->d_id.b.domain,
		    fcport->d_id.b.area, fcport->d_id.b.al_pa));

		/* Login fcport on switch. */
2764
		ha->isp_ops.fabric_login(ha, fcport->loop_id,
L
Linus Torvalds 已提交
2765 2766 2767 2768 2769
		    fcport->d_id.b.domain, fcport->d_id.b.area,
		    fcport->d_id.b.al_pa, mb, BIT_0);
		if (mb[0] == MBS_PORT_ID_USED) {
			/*
			 * Device has another loop ID.  The firmware team
2770 2771 2772 2773
			 * recommends the driver perform an implicit login with
			 * the specified ID again. The ID we just used is save
			 * here so we return with an ID that can be tried by
			 * the next login.
L
Linus Torvalds 已提交
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
			 */
			retry++;
			tmp_loopid = fcport->loop_id;
			fcport->loop_id = mb[1];

			DEBUG(printk("Fabric Login: port in use - next "
 			    "loop id=0x%04x, port Id=%02x%02x%02x.\n",
			    fcport->loop_id, fcport->d_id.b.domain,
			    fcport->d_id.b.area, fcport->d_id.b.al_pa));

		} else if (mb[0] == MBS_COMMAND_COMPLETE) {
			/*
			 * Login succeeded.
			 */
			if (retry) {
				/* A retry occurred before. */
				*next_loopid = tmp_loopid;
			} else {
				/*
				 * No retry occurred before. Just increment the
				 * ID value for next login.
				 */
				*next_loopid = (fcport->loop_id + 1);
			}

			if (mb[1] & BIT_0) {
				fcport->port_type = FCT_INITIATOR;
			} else {
				fcport->port_type = FCT_TARGET;
				if (mb[1] & BIT_1) {
					fcport->flags |= FCF_TAPE_PRESENT;
				}
			}

2808 2809 2810 2811 2812
			if (mb[10] & BIT_0)
				fcport->supported_classes |= FC_COS_CLASS2;
			if (mb[10] & BIT_1)
				fcport->supported_classes |= FC_COS_CLASS3;

L
Linus Torvalds 已提交
2813 2814 2815 2816 2817 2818 2819 2820 2821 2822 2823 2824 2825 2826 2827 2828 2829 2830 2831
			rval = QLA_SUCCESS;
			break;
		} else if (mb[0] == MBS_LOOP_ID_USED) {
			/*
			 * Loop ID already used, try next loop ID.
			 */
			fcport->loop_id++;
			rval = qla2x00_find_new_loop_id(ha, fcport);
			if (rval != QLA_SUCCESS) {
				/* Ran out of loop IDs to use */
				break;
			}
		} else if (mb[0] == MBS_COMMAND_ERROR) {
			/*
			 * Firmware possibly timed out during login. If NO
			 * retries are left to do then the device is declared
			 * dead.
			 */
			*next_loopid = fcport->loop_id;
2832 2833 2834
			ha->isp_ops.fabric_logout(ha, fcport->loop_id,
			    fcport->d_id.b.domain, fcport->d_id.b.area,
			    fcport->d_id.b.al_pa);
2835
			qla2x00_mark_device_lost(ha, fcport, 1, 0);
L
Linus Torvalds 已提交
2836 2837 2838 2839 2840 2841 2842 2843

			rval = 1;
			break;
		} else {
			/*
			 * unrecoverable / not handled error
			 */
			DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
A
Andrew Vasquez 已提交
2844 2845
 			    "loop_id=%x jiffies=%lx.\n",
 			    __func__, ha->host_no, mb[0],
L
Linus Torvalds 已提交
2846 2847 2848 2849
			    fcport->d_id.b.domain, fcport->d_id.b.area,
			    fcport->d_id.b.al_pa, fcport->loop_id, jiffies));

			*next_loopid = fcport->loop_id;
2850 2851 2852
			ha->isp_ops.fabric_logout(ha, fcport->loop_id,
			    fcport->d_id.b.domain, fcport->d_id.b.area,
			    fcport->d_id.b.al_pa);
L
Linus Torvalds 已提交
2853
			fcport->loop_id = FC_NO_LOOP_ID;
2854
			fcport->login_retry = 0;
L
Linus Torvalds 已提交
2855 2856 2857 2858 2859 2860 2861 2862 2863 2864 2865 2866 2867 2868 2869 2870 2871 2872 2873 2874 2875 2876 2877

			rval = 3;
			break;
		}
	}

	return (rval);
}

/*
 * qla2x00_local_device_login
 *	Issue local device login command.
 *
 * Input:
 *	ha = adapter block pointer.
 *	loop_id = loop id of device to login to.
 *
 * Returns (Where's the #define!!!!):
 *      0 - Login successfully
 *      1 - Login failed
 *      3 - Fatal error
 */
int
2878
qla2x00_local_device_login(scsi_qla_host_t *ha, fc_port_t *fcport)
L
Linus Torvalds 已提交
2879 2880 2881 2882 2883
{
	int		rval;
	uint16_t	mb[MAILBOX_REGISTER_COUNT];

	memset(mb, 0, sizeof(mb));
2884
	rval = qla2x00_login_local_device(ha, fcport, mb, BIT_0);
L
Linus Torvalds 已提交
2885 2886 2887 2888 2889 2890 2891 2892 2893 2894 2895 2896 2897 2898 2899 2900 2901 2902 2903 2904 2905 2906 2907
	if (rval == QLA_SUCCESS) {
		/* Interrogate mailbox registers for any errors */
		if (mb[0] == MBS_COMMAND_ERROR)
			rval = 1;
		else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
			/* device not in PCB table */
			rval = 3;
	}

	return (rval);
}

/*
 *  qla2x00_loop_resync
 *      Resync with fibre channel devices.
 *
 * Input:
 *      ha = adapter block pointer.
 *
 * Returns:
 *      0 = success
 */
int
A
Andrew Vasquez 已提交
2908
qla2x00_loop_resync(scsi_qla_host_t *ha)
L
Linus Torvalds 已提交
2909 2910 2911 2912 2913 2914 2915 2916 2917 2918 2919 2920 2921 2922 2923
{
	int   rval;
	uint32_t wait_time;

	rval = QLA_SUCCESS;

	atomic_set(&ha->loop_state, LOOP_UPDATE);
	clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
	if (ha->flags.online) {
		if (!(rval = qla2x00_fw_ready(ha))) {
			/* Wait at most MAX_TARGET RSCNs for a stable link. */
			wait_time = 256;
			do {
				atomic_set(&ha->loop_state, LOOP_UPDATE);

2924 2925 2926
				/* Issue a marker after FW becomes ready. */
				qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
				ha->marker_needed = 0;
L
Linus Torvalds 已提交
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

				/* Remap devices on Loop. */
				clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);

				qla2x00_configure_loop(ha);
				wait_time--;
			} while (!atomic_read(&ha->loop_down_timer) &&
				!(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
				wait_time &&
				(test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
		}
	}

	if (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
		return (QLA_FUNCTION_FAILED);
	}

	if (rval) {
		DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
	}

	return (rval);
}

void
qla2x00_rescan_fcports(scsi_qla_host_t *ha)
{
	int rescan_done;
	fc_port_t *fcport;

	rescan_done = 0;
	list_for_each_entry(fcport, &ha->fcports, list) {
		if ((fcport->flags & FCF_RESCAN_NEEDED) == 0)
			continue;

		qla2x00_update_fcport(ha, fcport);
		fcport->flags &= ~FCF_RESCAN_NEEDED;

		rescan_done = 1;
	}
A
Andrew Vasquez 已提交
2967
	qla2x00_probe_for_all_luns(ha);
L
Linus Torvalds 已提交
2968 2969
}

2970 2971 2972 2973 2974 2975 2976 2977 2978 2979 2980
void
qla2x00_update_fcports(scsi_qla_host_t *ha)
{
	fc_port_t *fcport;

	/* Go with deferred removal of rport references. */
	list_for_each_entry(fcport, &ha->fcports, list)
		if (fcport->drport)
			qla2x00_rport_del(fcport);
}

L
Linus Torvalds 已提交
2981 2982 2983 2984 2985 2986 2987 2988 2989 2990 2991 2992 2993 2994 2995 2996 2997 2998 2999 3000 3001 3002 3003 3004
/*
*  qla2x00_abort_isp
*      Resets ISP and aborts all outstanding commands.
*
* Input:
*      ha           = adapter block pointer.
*
* Returns:
*      0 = success
*/
int
qla2x00_abort_isp(scsi_qla_host_t *ha)
{
	unsigned long flags = 0;
	uint16_t       cnt;
	srb_t          *sp;
	uint8_t        status = 0;

	if (ha->flags.online) {
		ha->flags.online = 0;
		clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);

		qla_printk(KERN_INFO, ha,
		    "Performing ISP error recovery - ha= %p.\n", ha);
3005
		ha->isp_ops.reset_chip(ha);
L
Linus Torvalds 已提交
3006 3007 3008 3009

		atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
		if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
			atomic_set(&ha->loop_state, LOOP_DOWN);
3010
			qla2x00_mark_all_devices_lost(ha, 0);
L
Linus Torvalds 已提交
3011 3012 3013 3014 3015 3016 3017 3018 3019 3020 3021 3022 3023
		} else {
			if (!atomic_read(&ha->loop_down_timer))
				atomic_set(&ha->loop_down_timer,
				    LOOP_DOWN_TIME);
		}

		spin_lock_irqsave(&ha->hardware_lock, flags);
		/* Requeue all commands in outstanding command list. */
		for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
			sp = ha->outstanding_cmds[cnt];
			if (sp) {
				ha->outstanding_cmds[cnt] = NULL;
				sp->flags = 0;
已提交
3024
				sp->cmd->result = DID_RESET << 16;
L
Linus Torvalds 已提交
3025
				sp->cmd->host_scribble = (unsigned char *)NULL;
已提交
3026
				qla2x00_sp_compl(ha, sp);
L
Linus Torvalds 已提交
3027 3028 3029 3030
			}
		}
		spin_unlock_irqrestore(&ha->hardware_lock, flags);

3031
		ha->isp_ops.nvram_config(ha);
L
Linus Torvalds 已提交
3032 3033 3034 3035 3036 3037 3038 3039 3040 3041 3042 3043 3044 3045

		if (!qla2x00_restart_isp(ha)) {
			clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);

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

			ha->flags.online = 1;

3046
			ha->isp_ops.enable_intrs(ha);
L
Linus Torvalds 已提交
3047

A
Andrew Vasquez 已提交
3048
			ha->isp_abort_cnt = 0;
L
Linus Torvalds 已提交
3049 3050 3051 3052 3053 3054 3055 3056
			clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
		} else {	/* failed the ISP abort */
			ha->flags.online = 1;
			if (test_bit(ISP_ABORT_RETRY, &ha->dpc_flags)) {
				if (ha->isp_abort_cnt == 0) {
 					qla_printk(KERN_WARNING, ha,
					    "ISP error recovery failed - "
					    "board disabled\n");
A
Andrew Vasquez 已提交
3057
					/*
L
Linus Torvalds 已提交
3058 3059 3060
					 * The next call disables the board
					 * completely.
					 */
3061
					ha->isp_ops.reset_adapter(ha);
L
Linus Torvalds 已提交
3062 3063 3064 3065 3066 3067 3068
					ha->flags.online = 0;
					clear_bit(ISP_ABORT_RETRY,
					    &ha->dpc_flags);
					status = 0;
				} else { /* schedule another ISP abort */
					ha->isp_abort_cnt--;
					DEBUG(printk("qla%ld: ISP abort - "
3069
					    "retry remaining %d\n",
L
Linus Torvalds 已提交
3070 3071 3072 3073 3074 3075 3076 3077 3078 3079 3080 3081
					    ha->host_no, ha->isp_abort_cnt);)
					status = 1;
				}
			} else {
				ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
				DEBUG(printk("qla2x00(%ld): ISP error recovery "
				    "- retrying (%d) more times\n",
				    ha->host_no, ha->isp_abort_cnt);)
				set_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
				status = 1;
			}
		}
A
Andrew Vasquez 已提交
3082

L
Linus Torvalds 已提交
3083 3084 3085 3086 3087 3088 3089 3090 3091 3092 3093 3094 3095 3096 3097 3098 3099 3100 3101 3102 3103 3104 3105 3106 3107 3108 3109 3110
	}

	if (status) {
		qla_printk(KERN_INFO, ha,
			"qla2x00_abort_isp: **** FAILED ****\n");
	} else {
		DEBUG(printk(KERN_INFO
				"qla2x00_abort_isp(%ld): exiting.\n",
				ha->host_no);)
	}

	return(status);
}

/*
*  qla2x00_restart_isp
*      restarts the ISP after a reset
*
* Input:
*      ha = adapter block pointer.
*
* Returns:
*      0 = success
*/
static int
qla2x00_restart_isp(scsi_qla_host_t *ha)
{
	uint8_t		status = 0;
3111
	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
L
Linus Torvalds 已提交
3112 3113 3114 3115 3116 3117
	unsigned long	flags = 0;
	uint32_t wait_time;

	/* If firmware needs to be loaded */
	if (qla2x00_isp_firmware(ha)) {
		ha->flags.online = 0;
3118
		if (!(status = ha->isp_ops.chip_diag(ha))) {
L
Linus Torvalds 已提交
3119 3120 3121 3122 3123 3124 3125
			if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
				status = qla2x00_setup_chip(ha);
				goto done;
			}

			spin_lock_irqsave(&ha->hardware_lock, flags);

3126
			if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha)) {
3127 3128 3129 3130 3131 3132 3133 3134
				/*
				 * Disable SRAM, Instruction RAM and GP RAM
				 * parity.
				 */
				WRT_REG_WORD(&reg->hccr,
				    (HCCR_ENABLE_PARITY + 0x0));
				RD_REG_WORD(&reg->hccr);
			}
L
Linus Torvalds 已提交
3135 3136

			spin_unlock_irqrestore(&ha->hardware_lock, flags);
A
Andrew Vasquez 已提交
3137

L
Linus Torvalds 已提交
3138 3139 3140
			status = qla2x00_setup_chip(ha);

			spin_lock_irqsave(&ha->hardware_lock, flags);
A
Andrew Vasquez 已提交
3141

3142
			if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha)) {
3143 3144 3145 3146 3147 3148 3149 3150 3151 3152 3153 3154 3155 3156
				/* Enable proper parity */
				if (IS_QLA2300(ha))
					/* SRAM parity */
					WRT_REG_WORD(&reg->hccr,
					    (HCCR_ENABLE_PARITY + 0x1));
				else
					/*
					 * SRAM, Instruction RAM and GP RAM
					 * parity.
					 */
					WRT_REG_WORD(&reg->hccr,
					    (HCCR_ENABLE_PARITY + 0x7));
				RD_REG_WORD(&reg->hccr);
			}
L
Linus Torvalds 已提交
3157 3158 3159 3160 3161 3162 3163 3164 3165 3166

			spin_unlock_irqrestore(&ha->hardware_lock, flags);
		}
	}

 done:
	if (!status && !(status = qla2x00_init_rings(ha))) {
		clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
		if (!(status = qla2x00_fw_ready(ha))) {
			DEBUG(printk("%s(): Start configure loop, "
3167 3168 3169 3170 3171
			    "status = %d\n", __func__, status);)

			/* Issue a marker after FW becomes ready. */
			qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);

L
Linus Torvalds 已提交
3172 3173 3174 3175 3176 3177 3178 3179 3180 3181 3182 3183 3184 3185
			ha->flags.online = 1;
			/* Wait at most MAX_TARGET RSCNs for a stable link. */
			wait_time = 256;
			do {
				clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
				qla2x00_configure_loop(ha);
				wait_time--;
			} while (!atomic_read(&ha->loop_down_timer) &&
				!(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
				wait_time &&
				(test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
		}

		/* if no cable then assume it's good */
A
Andrew Vasquez 已提交
3186
		if ((ha->device_flags & DFLG_NO_CABLE))
L
Linus Torvalds 已提交
3187 3188 3189 3190 3191 3192 3193 3194 3195 3196 3197 3198 3199 3200 3201 3202
			status = 0;

		DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
				__func__,
				status);)
	}
	return (status);
}

/*
* qla2x00_reset_adapter
*      Reset adapter.
*
* Input:
*      ha = adapter block pointer.
*/
3203
void
L
Linus Torvalds 已提交
3204 3205 3206
qla2x00_reset_adapter(scsi_qla_host_t *ha)
{
	unsigned long flags = 0;
3207
	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
L
Linus Torvalds 已提交
3208 3209

	ha->flags.online = 0;
3210
	ha->isp_ops.disable_intrs(ha);
L
Linus Torvalds 已提交
3211 3212 3213 3214 3215 3216 3217 3218

	spin_lock_irqsave(&ha->hardware_lock, flags);
	WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
	RD_REG_WORD(&reg->hccr);			/* PCI Posting. */
	WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
	RD_REG_WORD(&reg->hccr);			/* PCI Posting. */
	spin_unlock_irqrestore(&ha->hardware_lock, flags);
}
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

void
qla24xx_reset_adapter(scsi_qla_host_t *ha)
{
	unsigned long flags = 0;
	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;

	ha->flags.online = 0;
	ha->isp_ops.disable_intrs(ha);

	spin_lock_irqsave(&ha->hardware_lock, flags);
	WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
	RD_REG_DWORD(&reg->hccr);
	WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
	RD_REG_DWORD(&reg->hccr);
	spin_unlock_irqrestore(&ha->hardware_lock, flags);
}

int
qla24xx_nvram_config(scsi_qla_host_t *ha)
{
	int   rval;
	struct init_cb_24xx *icb;
	struct nvram_24xx *nv;
	uint32_t *dptr;
	uint8_t  *dptr1, *dptr2;
	uint32_t chksum;
	uint16_t cnt;

	rval = QLA_SUCCESS;
	icb = (struct init_cb_24xx *)ha->init_cb;
	nv = (struct nvram_24xx *)ha->request_ring;

	/* Determine NVRAM starting address. */
	ha->nvram_size = sizeof(struct nvram_24xx);
	ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
3255 3256 3257
	ha->vpd_size = FA_NVRAM_VPD_SIZE;
	ha->vpd_base = FA_NVRAM_VPD0_ADDR;
	if (PCI_FUNC(ha->pdev->devfn)) {
3258
		ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
3259 3260
		ha->vpd_base = FA_NVRAM_VPD1_ADDR;
	}
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 3336 3337 3338 3339 3340 3341 3342 3343 3344 3345 3346 3347 3348 3349 3350 3351 3352 3353 3354 3355 3356 3357 3358 3359 3360 3361 3362 3363 3364 3365 3366 3367 3368

	/* Get NVRAM data and calculate checksum. */
	dptr = (uint32_t *)nv;
	ha->isp_ops.read_nvram(ha, (uint8_t *)dptr, ha->nvram_base,
	    ha->nvram_size);
	for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
		chksum += le32_to_cpu(*dptr++);

	DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
	DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring,
	    ha->nvram_size));

	/* Bad NVRAM data, set defaults parameters. */
	if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
	    || nv->id[3] != ' ' ||
	    nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
		/* Reset NVRAM data. */
		qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
		    "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
		    le16_to_cpu(nv->nvram_version));
		qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
		    "invalid -- WWPN) defaults.\n");

		/*
		 * Set default initialization control block.
		 */
		memset(nv, 0, ha->nvram_size);
		nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
		nv->version = __constant_cpu_to_le16(ICB_VERSION);
		nv->frame_payload_size = __constant_cpu_to_le16(2048);
		nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
		nv->exchange_count = __constant_cpu_to_le16(0);
		nv->hard_address = __constant_cpu_to_le16(124);
		nv->port_name[0] = 0x21;
		nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn);
		nv->port_name[2] = 0x00;
		nv->port_name[3] = 0xe0;
		nv->port_name[4] = 0x8b;
		nv->port_name[5] = 0x1c;
		nv->port_name[6] = 0x55;
		nv->port_name[7] = 0x86;
		nv->node_name[0] = 0x20;
		nv->node_name[1] = 0x00;
		nv->node_name[2] = 0x00;
		nv->node_name[3] = 0xe0;
		nv->node_name[4] = 0x8b;
		nv->node_name[5] = 0x1c;
		nv->node_name[6] = 0x55;
		nv->node_name[7] = 0x86;
		nv->login_retry_count = __constant_cpu_to_le16(8);
		nv->link_down_timeout = __constant_cpu_to_le16(200);
		nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
		nv->login_timeout = __constant_cpu_to_le16(0);
		nv->firmware_options_1 =
		    __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
		nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
		nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
		nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
		nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
		nv->efi_parameters = __constant_cpu_to_le32(0);
		nv->reset_delay = 5;
		nv->max_luns_per_target = __constant_cpu_to_le16(128);
		nv->port_down_retry_count = __constant_cpu_to_le16(30);
		nv->link_down_timeout = __constant_cpu_to_le16(30);

		rval = 1;
	}

	/* Reset Initialization control block */
	memset(icb, 0, sizeof(struct init_cb_24xx));

	/* Copy 1st segment. */
	dptr1 = (uint8_t *)icb;
	dptr2 = (uint8_t *)&nv->version;
	cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
	while (cnt--)
		*dptr1++ = *dptr2++;

	icb->login_retry_count = nv->login_retry_count;
	icb->link_down_timeout = nv->link_down_timeout;

	/* Copy 2nd segment. */
	dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
	dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
	cnt = (uint8_t *)&icb->reserved_3 -
	    (uint8_t *)&icb->interrupt_delay_timer;
	while (cnt--)
		*dptr1++ = *dptr2++;

	/*
	 * Setup driver NVRAM options.
	 */
	if (memcmp(nv->model_name, BINZERO, sizeof(nv->model_name)) != 0) {
		char *st, *en;
		uint16_t index;

		strncpy(ha->model_number, nv->model_name,
		    sizeof(nv->model_name));
		st = en = ha->model_number;
		en += sizeof(nv->model_name) - 1;
		while (en > st) {
			if (*en != 0x20 && *en != 0x00)
				break;
			*en-- = '\0';
		}

		index = (ha->pdev->subsystem_device & 0xff);
		if (index < QLA_MODEL_NAMES)
3369
			ha->model_desc = qla2x00_model_name[index * 2 + 1];
3370 3371 3372 3373
	} else
		strcpy(ha->model_number, "QLA2462");

	/* Prepare nodename */
3374
	if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
3375 3376 3377 3378 3379 3380 3381 3382 3383 3384 3385 3386 3387 3388 3389
		/*
		 * Firmware will apply the following mask if the nodename was
		 * not provided.
		 */
		memcpy(icb->node_name, icb->port_name, WWN_SIZE);
		icb->node_name[0] &= 0xF0;
	}

	/* Set host adapter parameters. */
	ha->flags.disable_risc_code_load = 0;
	ha->flags.enable_lip_reset = 1;
	ha->flags.enable_lip_full_login = 1;
	ha->flags.enable_target_reset = 1;
	ha->flags.enable_led_scheme = 0;

3390 3391
	ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
	    (BIT_6 | BIT_5 | BIT_4)) >> 4;
3392 3393 3394 3395 3396 3397 3398 3399 3400 3401 3402

	memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
	    sizeof(ha->fw_seriallink_options24));

	/* save HBA serial number */
	ha->serial0 = icb->port_name[5];
	ha->serial1 = icb->port_name[6];
	ha->serial2 = icb->port_name[7];
	ha->node_name = icb->node_name;
	ha->port_name = icb->port_name;

3403 3404
	icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);

3405 3406 3407 3408 3409 3410 3411 3412 3413 3414 3415 3416 3417 3418 3419 3420 3421 3422 3423 3424 3425 3426 3427 3428 3429 3430 3431 3432 3433 3434 3435 3436 3437 3438 3439 3440 3441 3442 3443 3444 3445 3446 3447 3448 3449 3450 3451 3452 3453 3454
	ha->retry_count = le16_to_cpu(nv->login_retry_count);

	/* Set minimum login_timeout to 4 seconds. */
	if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
		nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
	if (le16_to_cpu(nv->login_timeout) < 4)
		nv->login_timeout = __constant_cpu_to_le16(4);
	ha->login_timeout = le16_to_cpu(nv->login_timeout);
	icb->login_timeout = cpu_to_le16(nv->login_timeout);

	/* Set minimum RATOV to 200 tenths of a second. */
	ha->r_a_tov = 200;

	ha->loop_reset_delay = nv->reset_delay;

	/* Link Down Timeout = 0:
	 *
	 * 	When Port Down timer expires we will start returning
	 *	I/O's to OS with "DID_NO_CONNECT".
	 *
	 * Link Down Timeout != 0:
	 *
	 *	 The driver waits for the link to come up after link down
	 *	 before returning I/Os to OS with "DID_NO_CONNECT".
	 */
	if (le16_to_cpu(nv->link_down_timeout) == 0) {
		ha->loop_down_abort_time =
		    (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
	} else {
		ha->link_down_timeout =	le16_to_cpu(nv->link_down_timeout);
		ha->loop_down_abort_time =
		    (LOOP_DOWN_TIME - ha->link_down_timeout);
	}

	/* Need enough time to try and get the port back. */
	ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
	if (qlport_down_retry)
		ha->port_down_retry_count = qlport_down_retry;

	/* Set login_retry_count */
	ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
	if (ha->port_down_retry_count ==
	    le16_to_cpu(nv->port_down_retry_count) &&
	    ha->port_down_retry_count > 3)
		ha->login_retry_count = ha->port_down_retry_count;
	else if (ha->port_down_retry_count > (int)ha->login_retry_count)
		ha->login_retry_count = ha->port_down_retry_count;
	if (ql2xloginretrycount)
		ha->login_retry_count = ql2xloginretrycount;

3455 3456 3457 3458 3459 3460 3461 3462 3463 3464 3465
	/* Enable ZIO. */
	if (!ha->flags.init_done) {
		ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
		    (BIT_3 | BIT_2 | BIT_1 | BIT_0);
		ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
		    le16_to_cpu(icb->interrupt_delay_timer): 2;
	}
	icb->firmware_options_2 &= __constant_cpu_to_le32(
	    ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
	ha->flags.process_response_queue = 0;
	if (ha->zio_mode != QLA_ZIO_DISABLED) {
3466 3467
		ha->zio_mode = QLA_ZIO_MODE_6;

3468 3469 3470 3471 3472 3473 3474 3475 3476 3477 3478 3479 3480
		DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
		    "(%d us).\n", ha->host_no, ha->zio_mode,
		    ha->zio_timer * 100));
		qla_printk(KERN_INFO, ha,
		    "ZIO mode %d enabled; timer delay (%d us).\n",
		    ha->zio_mode, ha->zio_timer * 100);

		icb->firmware_options_2 |= cpu_to_le32(
		    (uint32_t)ha->zio_mode);
		icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
		ha->flags.process_response_queue = 1;
	}

3481 3482 3483 3484 3485 3486 3487
	if (rval) {
		DEBUG2_3(printk(KERN_WARNING
		    "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
	}
	return (rval);
}

3488 3489 3490 3491 3492 3493 3494 3495 3496 3497 3498 3499 3500 3501 3502 3503 3504 3505 3506 3507 3508 3509 3510 3511 3512 3513 3514 3515 3516 3517 3518 3519 3520 3521 3522 3523 3524 3525 3526 3527 3528 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 3563 3564 3565 3566 3567 3568 3569
int
qla24xx_load_risc_flash(scsi_qla_host_t *ha, uint32_t *srisc_addr)
{
	int	rval;
	int	segments, fragment;
	uint32_t faddr;
	uint32_t *dcode, dlen;
	uint32_t risc_addr;
	uint32_t risc_size;
	uint32_t i;

	rval = QLA_SUCCESS;

	segments = FA_RISC_CODE_SEGMENTS;
	faddr = FA_RISC_CODE_ADDR;
	dcode = (uint32_t *)ha->request_ring;
	*srisc_addr = 0;

	/* Validate firmware image by checking version. */
	qla24xx_read_flash_data(ha, dcode, faddr + 4, 4);
	for (i = 0; i < 4; i++)
		dcode[i] = be32_to_cpu(dcode[i]);
	if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
	    dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
	    (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
		dcode[3] == 0)) {
		qla_printk(KERN_WARNING, ha,
		    "Unable to verify integrity of flash firmware image!\n");
		qla_printk(KERN_WARNING, ha,
		    "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
		    dcode[1], dcode[2], dcode[3]);

		return QLA_FUNCTION_FAILED;
	}

	while (segments && rval == QLA_SUCCESS) {
		/* Read segment's load information. */
		qla24xx_read_flash_data(ha, dcode, faddr, 4);

		risc_addr = be32_to_cpu(dcode[2]);
		*srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
		risc_size = be32_to_cpu(dcode[3]);

		fragment = 0;
		while (risc_size > 0 && rval == QLA_SUCCESS) {
			dlen = (uint32_t)(ha->fw_transfer_size >> 2);
			if (dlen > risc_size)
				dlen = risc_size;

			DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
			    "addr %x, number of dwords 0x%x, offset 0x%x.\n",
			    ha->host_no, risc_addr, dlen, faddr));

			qla24xx_read_flash_data(ha, dcode, faddr, dlen);
			for (i = 0; i < dlen; i++)
				dcode[i] = swab32(dcode[i]);

			rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
			    dlen);
			if (rval) {
				DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
				    "segment %d of firmware\n", ha->host_no,
				    fragment));
				qla_printk(KERN_WARNING, ha,
				    "[ERROR] Failed to load segment %d of "
				    "firmware\n", fragment);
				break;
			}

			faddr += dlen;
			risc_addr += dlen;
			risc_size -= dlen;
			fragment++;
		}

		/* Next segment. */
		segments--;
	}

	return rval;
}

3570 3571
#if defined(CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE)

3572 3573 3574
int
qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
{
3575 3576 3577 3578 3579
	int	rval, num, i;
	uint32_t cnt;
	uint16_t *risc_code;
	uint32_t risc_addr, risc_size;
	uint16_t *req_ring;
3580 3581 3582 3583 3584 3585 3586 3587 3588
	struct qla_fw_info *fw_iter;

	rval = QLA_SUCCESS;

	/* Load firmware sequences */
	fw_iter = ha->brd_info->fw_info;
	*srisc_addr = *ha->brd_info->fw_info->fwstart;
	while (fw_iter->addressing != FW_INFO_ADDR_NOMORE) {
		risc_code = fw_iter->fwcode;
3589 3590 3591 3592 3593
		risc_size = *fw_iter->fwlen;
		if (fw_iter->addressing == FW_INFO_ADDR_NORMAL)
			risc_addr = *fw_iter->fwstart;
		else
			risc_addr = *fw_iter->lfwstart;
3594 3595 3596

		num = 0;
		rval = 0;
3597
		while (risc_size > 0 && !rval) {
3598
			cnt = (uint16_t)(ha->fw_transfer_size >> 1);
3599 3600
			if (cnt > risc_size)
				cnt = risc_size;
3601 3602 3603

			DEBUG7(printk("scsi(%ld): Loading risc segment@ "
			    "addr %p, number of bytes 0x%x, offset 0x%lx.\n",
3604
			    ha->host_no, risc_code, cnt, risc_addr));
3605 3606 3607 3608 3609

			req_ring = (uint16_t *)ha->request_ring;
			for (i = 0; i < cnt; i++)
				req_ring[i] = cpu_to_le16(risc_code[i]);

3610 3611
			rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
			    cnt);
3612 3613 3614 3615 3616 3617 3618 3619 3620 3621 3622 3623 3624
			if (rval) {
				DEBUG(printk("scsi(%ld): [ERROR] Failed to "
				    "load segment %d of firmware\n",
				    ha->host_no, num));
				qla_printk(KERN_WARNING, ha,
				    "[ERROR] Failed to load segment %d of "
				    "firmware\n", num);

				qla2x00_dump_regs(ha);
				break;
			}

			risc_code += cnt;
3625 3626
			risc_addr += cnt;
			risc_size -= cnt;
3627 3628 3629 3630 3631 3632
			num++;
		}

		/* Next firmware sequence */
		fw_iter++;
	}
3633
	return rval;
3634 3635
}

3636 3637 3638 3639 3640 3641 3642 3643 3644 3645 3646 3647 3648 3649 3650 3651 3652 3653 3654 3655 3656 3657 3658 3659 3660 3661 3662 3663 3664 3665 3666 3667 3668 3669 3670 3671 3672 3673 3674 3675 3676 3677 3678 3679 3680 3681 3682 3683 3684 3685 3686 3687 3688 3689 3690 3691 3692 3693 3694 3695 3696
int
qla24xx_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
{
	int	rval, num, i;
	uint32_t cnt;
	uint32_t *risc_code;
	uint32_t risc_addr, risc_size;
	uint32_t *req_ring;
	struct qla_fw_info *fw_iter;

	rval = QLA_SUCCESS;

	/* Load firmware sequences */
	fw_iter = ha->brd_info->fw_info;
	*srisc_addr = *((uint32_t *)fw_iter->lfwstart);
	while (fw_iter->addressing != FW_INFO_ADDR_NOMORE) {
		risc_code = (uint32_t *)fw_iter->fwcode;
		risc_size = *((uint32_t *)fw_iter->fwlen);
		risc_addr = *((uint32_t *)fw_iter->lfwstart);

		num = 0;
		rval = 0;
		while (risc_size > 0 && !rval) {
			cnt = (uint32_t)(ha->fw_transfer_size >> 2);
			if (cnt > risc_size)
				cnt = risc_size;

			DEBUG7(printk("scsi(%ld): Loading risc segment@ "
			    "addr %p, number of bytes 0x%x, offset 0x%lx.\n",
			    ha->host_no, risc_code, cnt, risc_addr));

			req_ring = (uint32_t *)ha->request_ring;
			for (i = 0; i < cnt; i++)
				req_ring[i] = cpu_to_le32(risc_code[i]);

			rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
			    cnt);
			if (rval) {
				DEBUG(printk("scsi(%ld): [ERROR] Failed to "
				    "load segment %d of firmware\n",
				    ha->host_no, num));
				qla_printk(KERN_WARNING, ha,
				    "[ERROR] Failed to load segment %d of "
				    "firmware\n", num);

				qla2x00_dump_regs(ha);
				break;
			}

			risc_code += cnt;
			risc_addr += cnt;
			risc_size -= cnt;
			num++;
		}

		/* Next firmware sequence */
		fw_iter++;
	}
	return rval;
}

3697 3698
#else	/* !defined(CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE) */

3699 3700
#define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"

3701
int
3702 3703 3704 3705 3706 3707 3708 3709 3710 3711 3712 3713
qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
{
	int	rval;
	int	i, fragment;
	uint16_t *wcode, *fwcode;
	uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
	struct fw_blob *blob;

	/* Load firmware blob. */
	blob = qla2x00_request_firmware(ha);
	if (!blob) {
		qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
3714 3715
		qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
		    "from: " QLA_FW_URL ".\n");
3716 3717 3718 3719 3720 3721 3722 3723 3724 3725 3726 3727 3728 3729 3730 3731 3732 3733 3734 3735 3736 3737 3738 3739 3740 3741 3742 3743 3744 3745 3746 3747 3748 3749 3750 3751 3752 3753 3754 3755 3756 3757 3758 3759 3760 3761 3762 3763 3764 3765 3766 3767 3768 3769 3770 3771 3772 3773 3774 3775 3776 3777 3778 3779 3780 3781 3782 3783 3784 3785 3786 3787 3788 3789 3790 3791 3792 3793 3794 3795 3796 3797 3798 3799 3800 3801 3802
		return QLA_FUNCTION_FAILED;
	}

	rval = QLA_SUCCESS;

	wcode = (uint16_t *)ha->request_ring;
	*srisc_addr = 0;
	fwcode = (uint16_t *)blob->fw->data;
	fwclen = 0;

	/* Validate firmware image by checking version. */
	if (blob->fw->size < 8 * sizeof(uint16_t)) {
		qla_printk(KERN_WARNING, ha,
		    "Unable to verify integrity of firmware image (%Zd)!\n",
		    blob->fw->size);
		goto fail_fw_integrity;
	}
	for (i = 0; i < 4; i++)
		wcode[i] = be16_to_cpu(fwcode[i + 4]);
	if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
	    wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
		wcode[2] == 0 && wcode[3] == 0)) {
		qla_printk(KERN_WARNING, ha,
		    "Unable to verify integrity of firmware image!\n");
		qla_printk(KERN_WARNING, ha,
		    "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
		    wcode[1], wcode[2], wcode[3]);
		goto fail_fw_integrity;
	}

	seg = blob->segs;
	while (*seg && rval == QLA_SUCCESS) {
		risc_addr = *seg;
		*srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
		risc_size = be16_to_cpu(fwcode[3]);

		/* Validate firmware image size. */
		fwclen += risc_size * sizeof(uint16_t);
		if (blob->fw->size < fwclen) {
			qla_printk(KERN_WARNING, ha,
			    "Unable to verify integrity of firmware image "
			    "(%Zd)!\n", blob->fw->size);
			goto fail_fw_integrity;
		}

		fragment = 0;
		while (risc_size > 0 && rval == QLA_SUCCESS) {
			wlen = (uint16_t)(ha->fw_transfer_size >> 1);
			if (wlen > risc_size)
				wlen = risc_size;

			DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
			    "addr %x, number of words 0x%x.\n", ha->host_no,
			    risc_addr, wlen));

			for (i = 0; i < wlen; i++)
				wcode[i] = swab16(fwcode[i]);

			rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
			    wlen);
			if (rval) {
				DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
				    "segment %d of firmware\n", ha->host_no,
				    fragment));
				qla_printk(KERN_WARNING, ha,
				    "[ERROR] Failed to load segment %d of "
				    "firmware\n", fragment);
				break;
			}

			fwcode += wlen;
			risc_addr += wlen;
			risc_size -= wlen;
			fragment++;
		}

		/* Next segment. */
		seg++;
	}
	return rval;

fail_fw_integrity:
	return QLA_FUNCTION_FAILED;
}

int
qla24xx_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3803 3804 3805 3806 3807 3808 3809
{
	int	rval;
	int	segments, fragment;
	uint32_t *dcode, dlen;
	uint32_t risc_addr;
	uint32_t risc_size;
	uint32_t i;
3810
	struct fw_blob *blob;
3811 3812
	uint32_t *fwcode, fwclen;

3813 3814 3815 3816
	/* Load firmware blob. */
	blob = qla2x00_request_firmware(ha);
	if (!blob) {
		qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
3817 3818 3819 3820 3821 3822 3823
		qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
		    "from: " QLA_FW_URL ".\n");

		/* Try to load RISC code from flash. */
		qla_printk(KERN_ERR, ha, "Attempting to load (potentially "
		    "outdated) firmware from flash.\n");
		return qla24xx_load_risc_flash(ha, srisc_addr);
3824 3825 3826 3827 3828 3829 3830
	}

	rval = QLA_SUCCESS;

	segments = FA_RISC_CODE_SEGMENTS;
	dcode = (uint32_t *)ha->request_ring;
	*srisc_addr = 0;
3831
	fwcode = (uint32_t *)blob->fw->data;
3832 3833 3834
	fwclen = 0;

	/* Validate firmware image by checking version. */
3835
	if (blob->fw->size < 8 * sizeof(uint32_t)) {
3836
		qla_printk(KERN_WARNING, ha,
3837 3838
		    "Unable to verify integrity of firmware image (%Zd)!\n",
		    blob->fw->size);
3839 3840 3841 3842 3843 3844 3845 3846 3847
		goto fail_fw_integrity;
	}
	for (i = 0; i < 4; i++)
		dcode[i] = be32_to_cpu(fwcode[i + 4]);
	if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
	    dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
	    (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
		dcode[3] == 0)) {
		qla_printk(KERN_WARNING, ha,
3848
		    "Unable to verify integrity of firmware image!\n");
3849 3850 3851 3852 3853 3854 3855 3856 3857 3858 3859 3860 3861
		qla_printk(KERN_WARNING, ha,
		    "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
		    dcode[1], dcode[2], dcode[3]);
		goto fail_fw_integrity;
	}

	while (segments && rval == QLA_SUCCESS) {
		risc_addr = be32_to_cpu(fwcode[2]);
		*srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
		risc_size = be32_to_cpu(fwcode[3]);

		/* Validate firmware image size. */
		fwclen += risc_size * sizeof(uint32_t);
3862
		if (blob->fw->size < fwclen) {
3863
			qla_printk(KERN_WARNING, ha,
3864 3865 3866
			    "Unable to verify integrity of firmware image "
			    "(%Zd)!\n", blob->fw->size);

3867 3868 3869 3870 3871 3872 3873 3874 3875 3876 3877 3878 3879 3880 3881 3882
			goto fail_fw_integrity;
		}

		fragment = 0;
		while (risc_size > 0 && rval == QLA_SUCCESS) {
			dlen = (uint32_t)(ha->fw_transfer_size >> 2);
			if (dlen > risc_size)
				dlen = risc_size;

			DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
			    "addr %x, number of dwords 0x%x.\n", ha->host_no,
			    risc_addr, dlen));

			for (i = 0; i < dlen; i++)
				dcode[i] = swab32(fwcode[i]);

3883 3884
			rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
			    dlen);
3885 3886 3887 3888 3889 3890 3891 3892 3893 3894 3895 3896 3897 3898 3899 3900 3901 3902 3903 3904 3905 3906 3907 3908
			if (rval) {
				DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
				    "segment %d of firmware\n", ha->host_no,
				    fragment));
				qla_printk(KERN_WARNING, ha,
				    "[ERROR] Failed to load segment %d of "
				    "firmware\n", fragment);
				break;
			}

			fwcode += dlen;
			risc_addr += dlen;
			risc_size -= dlen;
			fragment++;
		}

		/* Next segment. */
		segments--;
	}
	return rval;

fail_fw_integrity:
	return QLA_FUNCTION_FAILED;
}
3909
#endif