qla_init.c 99.2 KB
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/*
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 * QLogic Fibre Channel HBA Driver
 * Copyright (c)  2003-2005 QLogic Corporation
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 *
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 * See LICENSE.qla2xxx for copyright and licensing details.
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 */
#include "qla_def.h"

#include <linux/delay.h>
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#include <linux/vmalloc.h>
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#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;
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	set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags);
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	qla_printk(KERN_INFO, ha, "Configuring PCI space...\n");
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	rval = ha->isp_ops.pci_config(ha);
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	if (rval) {
		DEBUG2(printk("scsi(%ld): Unable to configure PCI space=n",
		    ha->host_no));
		return (rval);
	}

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	ha->isp_ops.reset_chip(ha);
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	qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
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	ha->isp_ops.nvram_config(ha);
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	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) {
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			if ((rval = ha->isp_ops.chip_diag(ha)) == QLA_SUCCESS) {
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				rval = qla2x00_setup_chip(ha);
			}
		}

		if (rval == QLA_SUCCESS &&
		    (rval = qla2x00_init_rings(ha)) == QLA_SUCCESS) {
check_fw_ready_again:
			/*
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			 * Wait for a successful LIP up to a maximum
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			 * of (in seconds): RISC login timeout value,
			 * RISC retry count value, and port down retry
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			 * value OR a minimum of 4 seconds OR If no
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			 * cable, only 5 seconds.
			 */
			rval = qla2x00_fw_ready(ha);
			if (rval == QLA_SUCCESS) {
				clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);

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

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				/*
				 * 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
					 */

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					if (atomic_read(&ha->loop_state) !=
					    LOOP_READY && retry--) {
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						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);
}

/**
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 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
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 * @ha: HA context
 *
 * Returns 0 on success.
 */
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int
qla2100_pci_config(scsi_qla_host_t *ha)
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{
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	uint16_t w, mwi;
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	uint32_t d;
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	unsigned long flags;
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	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
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	pci_set_master(ha->pdev);
	mwi = 0;
	if (pci_set_mwi(ha->pdev))
		mwi = PCI_COMMAND_INVALIDATE;

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

	/* Reset expansion ROM address decode enable */
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	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);
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	/* Get PCI bus information. */
	spin_lock_irqsave(&ha->hardware_lock, flags);
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	ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
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	spin_unlock_irqrestore(&ha->hardware_lock, flags);

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	return QLA_SUCCESS;
}
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/**
 * 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;
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	uint32_t	d;
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	unsigned long   flags = 0;
	uint32_t	cnt;
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	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
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	pci_set_master(ha->pdev);
	mwi = 0;
	if (pci_set_mwi(ha->pdev))
		mwi = PCI_COMMAND_INVALIDATE;
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	pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
	w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
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	if (IS_QLA2322(ha) || IS_QLA6322(ha))
		w &= ~PCI_COMMAND_INTX_DISABLE;
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	/*
	 * 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);
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		/* Pause RISC. */
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		WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
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		for (cnt = 0; cnt < 30000; cnt++) {
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			if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
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				break;
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			udelay(10);
		}
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		/* Select FPM registers. */
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		WRT_REG_WORD(&reg->ctrl_status, 0x20);
		RD_REG_WORD(&reg->ctrl_status);
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		/* Get the fb rev level */
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		ha->fb_rev = RD_FB_CMD_REG(ha, reg);
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		if (ha->fb_rev == FPM_2300)
			w &= ~PCI_COMMAND_INVALIDATE;

		/* Deselect FPM registers. */
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		WRT_REG_WORD(&reg->ctrl_status, 0x0);
		RD_REG_WORD(&reg->ctrl_status);
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		/* Release RISC module. */
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		WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
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		for (cnt = 0; cnt < 30000; cnt++) {
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			if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
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				break;

			udelay(10);
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		}

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		spin_unlock_irqrestore(&ha->hardware_lock, flags);
	}
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	pci_write_config_word(ha->pdev, PCI_COMMAND, w);

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

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	/* Reset expansion ROM address decode enable */
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	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);
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	/* Get PCI bus information. */
	spin_lock_irqsave(&ha->hardware_lock, flags);
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	ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
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	spin_unlock_irqrestore(&ha->hardware_lock, flags);

	return QLA_SUCCESS;
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}

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/**
 * 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;
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	uint32_t d;
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	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_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 */
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	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);
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	/* 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;
}

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/**
 * 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 */
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	rval = QLA_FUNCTION_FAILED;
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	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. */
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		rval = qla2x00_verify_checksum(ha,
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		    IS_QLA24XX(ha) || IS_QLA54XX(ha) ? RISC_SADDRESS :
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		    *ha->brd_info->fw_info[0].fwstart);
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	}

	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.
 */
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void
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qla2x00_reset_chip(scsi_qla_host_t *ha)
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{
	unsigned long   flags = 0;
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	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
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	uint32_t	cnt;
	uint16_t	cmd;

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	ha->isp_ops.disable_intrs(ha);
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	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++) {
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			if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
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				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);
}

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/**
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 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
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 * @ha: HA context
 *
 * Returns 0 on success.
 */
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static inline void
qla24xx_reset_risc(scsi_qla_host_t *ha)
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{
	unsigned long flags = 0;
	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
	uint32_t cnt, d2;
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	uint16_t wd;
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	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);
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	pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
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568
	udelay(100);
569 570 571 572 573 574 575 576
	/* 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();
	}

577
	/* Wait for soft-reset to complete. */
578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603
	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);
}

604 605 606 607 608 609 610 611 612 613 614 615 616 617 618
/**
 * 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);
}

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/**
 * qla2x00_chip_diag() - Test chip for proper operation.
 * @ha: HA context
 *
 * Returns 0 on success.
 */
625
int
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qla2x00_chip_diag(scsi_qla_host_t *ha)
{
	int		rval;
629
	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
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	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);
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			barrier();
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		}
	} 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));

714
		ha->device_type |= DT_ISP2200A;
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		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);
}

745 746 747 748 749 750 751 752 753 754 755
/**
 * 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;

756 757
	/* Perform RISC reset. */
	qla24xx_reset_risc(ha);
758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789

	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);
}

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/**
 * 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;

809
	if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
810 811
		qla2x00_alloc_fw_dump(ha);

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	/* 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)
{
855 856
	int rval;
	uint32_t srisc_address = 0;
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	/* Load firmware sequences */
859 860
	rval = ha->isp_ops.load_risc(ha, &srisc_address);
	if (rval == QLA_SUCCESS) {
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		DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
		    "code.\n", ha->host_no));

864
		rval = qla2x00_verify_checksum(ha, srisc_address);
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		if (rval == QLA_SUCCESS) {
			/* Start firmware execution. */
			DEBUG(printk("scsi(%ld): Checksum OK, start "
			    "firmware.\n", ha->host_no));

870
			rval = qla2x00_execute_fw(ha, srisc_address);
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			/* 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.
 */
924
void
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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] &
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		    (BIT_3 | BIT_2 | BIT_1 | BIT_0);
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		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] &
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		    (BIT_3 | BIT_2 | BIT_1 | BIT_0);
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		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;

990 991 992 993
	/* Detect ISP6312. */
	if (IS_QLA6312(ha))
		ha->fw_options[2] |= BIT_13;

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	/* Update firmware options. */
	qla2x00_set_fw_options(ha, ha->fw_options);
}

998 999 1000 1001 1002 1003
void
qla24xx_update_fw_options(scsi_qla_host_t *ha)
{
	int rval;

	/* Update Serial Link options. */
1004
	if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
1005 1006
		return;

1007 1008 1009 1010
	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]));
1011 1012 1013 1014 1015 1016
	if (rval != QLA_SUCCESS) {
		qla_printk(KERN_WARNING, ha,
		    "Unable to update Serial Link options (%x).\n", rval);
	}
}

1017 1018 1019
void
qla2x00_config_rings(struct scsi_qla_host *ha)
{
1020
	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038

	/* 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. */
}

1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062
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);
}

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/**
 * 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);

1101
	ha->isp_ops.config_rings(ha);
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	spin_unlock_irqrestore(&ha->hardware_lock, flags);

	/* Update any ISP specific firmware options before initialization. */
1106
	ha->isp_ops.update_fw_options(ha);
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	DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no));
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	rval = qla2x00_init_firmware(ha, ha->init_cb_size);
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	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. */
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	min_wait = 20;
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	/*
	 * 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
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				 * other than Wait for Login.
				 */
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				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) {
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		if (LOOP_TRANSITION(ha) || atomic_read(&ha->loop_down_timer) ||
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		    (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);
		}
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		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.
*/
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int
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qla2x00_nvram_config(scsi_qla_host_t *ha)
{
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	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;
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	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
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	rval = QLA_SUCCESS;

	/* Determine NVRAM starting address. */
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	ha->nvram_size = sizeof(nvram_t);
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	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. */
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	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++;
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	DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
	DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring,
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	    ha->nvram_size));
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	/* 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.
		 */
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		memset(nv, 0, ha->nvram_size);
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		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 */
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	memset(icb, 0, ha->init_cb_size);
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	/*
	 * 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;
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		nv->add_firmware_options[1] |= BIT_5 | BIT_4;
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		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,
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					    qla2x00_model_name[index * 2]);
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					ha->model_desc =
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					    qla2x00_model_name[index * 2 + 1];
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				} 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++;

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	/* Use alternate WWN? */
	if (nv->host_p[1] & BIT_7) {
		memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
		memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
	}

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	/* 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);
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	ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
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	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];
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	ha->node_name = icb->node_name;
	ha->port_name = icb->port_name;
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	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".
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	 */
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	if (nv->link_down_timeout == 0) {
		ha->loop_down_abort_time =
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		    (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
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	} else {
		ha->link_down_timeout =	 nv->link_down_timeout;
		ha->loop_down_abort_time =
		    (LOOP_DOWN_TIME - ha->link_down_timeout);
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	}
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	/*
	 * 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 {
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		/* 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
1648 1649
		icb->add_firmware_options[0] &=
		    ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1650 1651
		ha->flags.process_response_queue = 0;
		if (ha->zio_mode != QLA_ZIO_DISABLED) {
1652 1653
			ha->zio_mode = QLA_ZIO_MODE_6;

1654 1655 1656
			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
1657
			qla_printk(KERN_INFO, ha,
1658 1659
			    "ZIO mode %d enabled; timer delay (%d us).\n",
			    ha->zio_mode, ha->zio_timer * 100);
L
Linus Torvalds 已提交
1660

1661 1662
			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
1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673
			ha->flags.process_response_queue = 1;
		}
	}

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

1674 1675 1676 1677
static void
qla2x00_rport_del(void *data)
{
	fc_port_t *fcport = data;
1678 1679 1680 1681 1682 1683 1684 1685 1686
	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);
1687 1688 1689

}

L
Linus Torvalds 已提交
1690 1691 1692 1693 1694 1695 1696 1697
/**
 * 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
1698
qla2x00_alloc_fcport(scsi_qla_host_t *ha, gfp_t flags)
L
Linus Torvalds 已提交
1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712
{
	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;
	atomic_set(&fcport->state, FCS_UNCONFIGURED);
	fcport->flags = FCF_RLC_SUPPORT;
1713
	fcport->supported_classes = FC_COS_UNSPECIFIED;
1714
	spin_lock_init(&fcport->rport_lock);
L
Linus Torvalds 已提交
1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731

	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
1732
qla2x00_configure_loop(scsi_qla_host_t *ha)
L
Linus Torvalds 已提交
1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790
{
	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)) {
1791
		if (LOOP_TRANSITION(ha)) {
L
Linus Torvalds 已提交
1792 1793 1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839
			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
1840
qla2x00_configure_local_loop(scsi_qla_host_t *ha)
L
Linus Torvalds 已提交
1841 1842 1843 1844 1845 1846 1847 1848 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
{
	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;
1903
		if (IS_QLA2100(ha) || IS_QLA2200(ha))
L
Linus Torvalds 已提交
1904 1905
			loop_id = (uint16_t)
			    ((struct gid_list_info *)id_iter)->loop_id_2100;
1906
		else
L
Linus Torvalds 已提交
1907 1908
			loop_id = le16_to_cpu(
			    ((struct gid_list_info *)id_iter)->loop_id);
1909
		id_iter += ha->gid_list_info_size;
L
Linus Torvalds 已提交
1910 1911 1912 1913 1914 1915

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

		/* Bypass if not same domain and area of adapter. */
1916 1917
		if (area && domain &&
		    (area != ha->d_id.b.area || domain != ha->d_id.b.domain))
L
Linus Torvalds 已提交
1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934
			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));
1935 1936 1937
			DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
			    ha->host_no));
			set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
L
Linus Torvalds 已提交
1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981
			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
1982
	kfree(new_fcport);
L
Linus Torvalds 已提交
1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997

	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
1998
qla2x00_probe_for_all_luns(scsi_qla_host_t *ha)
L
Linus Torvalds 已提交
1999 2000 2001
{
	fc_port_t	*fcport;

2002
	qla2x00_mark_all_devices_lost(ha, 0);
L
Linus Torvalds 已提交
2003 2004 2005 2006
 	list_for_each_entry(fcport, &ha->fcports, list) {
		if (fcport->port_type != FCT_TARGET)
			continue;

A
Andrew Vasquez 已提交
2007
		qla2x00_update_fcport(ha, fcport);
L
Linus Torvalds 已提交
2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025
	}
}

/*
 * 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.
 */
2026
void
L
Linus Torvalds 已提交
2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037
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;

	atomic_set(&fcport->state, FCS_ONLINE);
2038

已提交
2039 2040
	if (ha->flags.init_done)
		qla2x00_reg_remote_port(ha, fcport);
L
Linus Torvalds 已提交
2041 2042
}

已提交
2043 2044 2045 2046
void
qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport)
{
	struct fc_rport_identifiers rport_ids;
2047
	struct fc_rport *rport;
2048
	unsigned long flags;
已提交
2049

2050 2051 2052 2053
	if (fcport->drport)
		qla2x00_rport_del(fcport);
	if (fcport->rport)
		return;
已提交
2054

2055 2056
	rport_ids.node_name = wwn_to_u64(fcport->node_name);
	rport_ids.port_name = wwn_to_u64(fcport->port_name);
已提交
2057 2058
	rport_ids.port_id = fcport->d_id.b.domain << 16 |
	    fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2059
	rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2060
	rport = fc_remote_port_add(ha->host, 0, &rport_ids);
2061 2062 2063 2064 2065
	if (!rport) {
		qla_printk(KERN_WARNING, ha,
		    "Unable to allocate fc remote port!\n");
		return;
	}
2066 2067
	spin_lock_irqsave(&fcport->rport_lock, flags);
	fcport->rport = rport;
2068
	*((fc_port_t **)rport->dd_data) = fcport;
2069 2070
	spin_unlock_irqrestore(&fcport->rport_lock, flags);

2071
	rport->supported_classes = fcport->supported_classes;
2072

已提交
2073 2074 2075 2076 2077
	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;
2078
	fc_remote_port_rolechg(rport, rport_ids.roles);
L
Linus Torvalds 已提交
2079

2080 2081
	if (rport->scsi_target_id != -1 &&
	    rport->scsi_target_id < ha->host->max_id)
2082
		fcport->os_target_id = rport->scsi_target_id;
L
Linus Torvalds 已提交
2083 2084 2085 2086 2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102
}

/*
 * 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];
2103
	uint16_t	loop_id;
L
Linus Torvalds 已提交
2104 2105 2106
	LIST_HEAD(new_fcports);

	/* If FL port exists, then SNS is present */
2107
	if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
2108 2109 2110 2111
		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
2112 2113 2114 2115 2116 2117 2118 2119 2120 2121 2122 2123 2124 2125 2126
	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 {
2127 2128 2129 2130 2131
		/* FDMI support. */
		if (ql2xfdmienable &&
		    test_and_clear_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags))
			qla2x00_fdmi_register(ha);

L
Linus Torvalds 已提交
2132
		/* Ensure we are logged into the SNS. */
2133
		if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
2134 2135 2136 2137
			loop_id = NPH_SNS;
		else
			loop_id = SIMPLE_NAME_SERVER;
		ha->isp_ops.fabric_login(ha, loop_id, 0xff, 0xff,
2138
		    0xfc, mb, BIT_1 | BIT_0);
L
Linus Torvalds 已提交
2139 2140 2141
		if (mb[0] != MBS_COMMAND_COMPLETE) {
			DEBUG2(qla_printk(KERN_INFO, ha,
			    "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
2142
			    "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
L
Linus Torvalds 已提交
2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158 2159 2160 2161 2162 2163 2164 2165 2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182 2183 2184 2185
			    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,
2186
				    ql2xplogiabsentdevice, 0);
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				if (fcport->loop_id != FC_NO_LOOP_ID &&
				    (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
				    fcport->port_type != FCT_INITIATOR &&
				    fcport->port_type != FCT_BROADCAST) {
2191
					ha->isp_ops.fabric_logout(ha,
2192 2193 2194 2195
					    fcport->loop_id,
					    fcport->d_id.b.domain,
					    fcport->d_id.b.area,
					    fcport->d_id.b.al_pa);
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					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);
2253 2254 2255

			/* Login and update database */
			qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
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		}
	} 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) {
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		kfree(swl);
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		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++) {
2338
		if (qla2x00_is_reserved_id(ha, loop_id))
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			continue;

2341
		if (atomic_read(&ha->loop_down_timer) || LOOP_TRANSITION(ha))
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			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;

2391 2392 2393 2394 2395 2396
		/* 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;

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		/* 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) {
2442 2443 2444
				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);
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				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) {
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			kfree(swl);
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			return (QLA_MEMORY_ALLOC_FAILED);
		}
		new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
		new_fcport->d_id.b24 = nxt_d_id.b24;
	}

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	kfree(swl);
	kfree(new_fcport);
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	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. */
2511
		while (qla2x00_is_reserved_id(ha, dev->loop_id)) {
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			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
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qla2x00_device_resync(scsi_qla_host_t *ha)
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{
	int	rval;
	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:
			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;

		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) {
2646 2647
					qla2x00_mark_device_lost(ha, fcport,
					    0, 0);
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				}
			}
			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;
2678
	uint8_t opts;
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	rval = QLA_SUCCESS;
	retry = 0;

	rval = qla2x00_fabric_login(ha, fcport, next_loopid);
	if (rval == QLA_SUCCESS) {
2685 2686 2687 2688 2689
		/* 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);
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		if (rval != QLA_SUCCESS) {
2691 2692 2693
			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);
2694
			qla2x00_mark_device_lost(ha, fcport, 1, 0);
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		} 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. */
2736
		ha->isp_ops.fabric_login(ha, fcport->loop_id,
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		    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
2742 2743 2744 2745
			 * 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.
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			 */
			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;
				}
			}

2780 2781 2782 2783 2784
			if (mb[10] & BIT_0)
				fcport->supported_classes |= FC_COS_CLASS2;
			if (mb[10] & BIT_1)
				fcport->supported_classes |= FC_COS_CLASS3;

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			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;
2804 2805 2806
			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);
2807
			qla2x00_mark_device_lost(ha, fcport, 1, 0);
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			rval = 1;
			break;
		} else {
			/*
			 * unrecoverable / not handled error
			 */
			DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
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 			    "loop_id=%x jiffies=%lx.\n",
 			    __func__, ha->host_no, mb[0],
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			    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;
2822 2823 2824
			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);
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			fcport->loop_id = FC_NO_LOOP_ID;
2826
			fcport->login_retry = 0;
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			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
2850
qla2x00_local_device_login(scsi_qla_host_t *ha, fc_port_t *fcport)
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{
	int		rval;
	uint16_t	mb[MAILBOX_REGISTER_COUNT];

	memset(mb, 0, sizeof(mb));
2856
	rval = qla2x00_login_local_device(ha, fcport, mb, BIT_0);
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	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
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qla2x00_loop_resync(scsi_qla_host_t *ha)
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{
	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);

2896 2897 2898
				/* Issue a marker after FW becomes ready. */
				qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
				ha->marker_needed = 0;
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				/* 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;
	}
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	qla2x00_probe_for_all_luns(ha);
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}

2942 2943 2944 2945 2946 2947 2948 2949 2950 2951 2952
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);
}

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/*
*  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);
2977
		ha->isp_ops.reset_chip(ha);
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		atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
		if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
			atomic_set(&ha->loop_state, LOOP_DOWN);
2982
			qla2x00_mark_all_devices_lost(ha, 0);
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		} 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;
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				sp->cmd->result = DID_RESET << 16;
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				sp->cmd->host_scribble = (unsigned char *)NULL;
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				qla2x00_sp_compl(ha, sp);
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			}
		}
		spin_unlock_irqrestore(&ha->hardware_lock, flags);

3003
		ha->isp_ops.nvram_config(ha);
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		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;

3018
			ha->isp_ops.enable_intrs(ha);
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			ha->isp_abort_cnt = 0;
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			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");
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					/*
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					 * The next call disables the board
					 * completely.
					 */
3033
					ha->isp_ops.reset_adapter(ha);
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					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 - "
3041
					    "retry remaining %d\n",
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					    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;
			}
		}
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	}

	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;
3083
	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
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	unsigned long	flags = 0;
	uint32_t wait_time;

	/* If firmware needs to be loaded */
	if (qla2x00_isp_firmware(ha)) {
		ha->flags.online = 0;
3090
		if (!(status = ha->isp_ops.chip_diag(ha))) {
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			if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
				status = qla2x00_setup_chip(ha);
				goto done;
			}

			spin_lock_irqsave(&ha->hardware_lock, flags);

3098
			if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha)) {
3099 3100 3101 3102 3103 3104 3105 3106
				/*
				 * Disable SRAM, Instruction RAM and GP RAM
				 * parity.
				 */
				WRT_REG_WORD(&reg->hccr,
				    (HCCR_ENABLE_PARITY + 0x0));
				RD_REG_WORD(&reg->hccr);
			}
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			spin_unlock_irqrestore(&ha->hardware_lock, flags);
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			status = qla2x00_setup_chip(ha);

			spin_lock_irqsave(&ha->hardware_lock, flags);
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3113

3114
			if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha)) {
3115 3116 3117 3118 3119 3120 3121 3122 3123 3124 3125 3126 3127 3128
				/* 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);
			}
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			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, "
3139 3140 3141 3142 3143
			    "status = %d\n", __func__, status);)

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

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			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 */
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		if ((ha->device_flags & DFLG_NO_CABLE))
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			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.
*/
3175
void
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qla2x00_reset_adapter(scsi_qla_host_t *ha)
{
	unsigned long flags = 0;
3179
	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
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	ha->flags.online = 0;
3182
	ha->isp_ops.disable_intrs(ha);
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	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);
}
3191 3192 3193 3194 3195 3196 3197 3198 3199 3200 3201 3202 3203 3204 3205 3206 3207 3208 3209 3210 3211 3212 3213 3214 3215 3216 3217 3218 3219 3220 3221 3222 3223 3224 3225 3226

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;
3227 3228 3229
	ha->vpd_size = FA_NVRAM_VPD_SIZE;
	ha->vpd_base = FA_NVRAM_VPD0_ADDR;
	if (PCI_FUNC(ha->pdev->devfn)) {
3230
		ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
3231 3232
		ha->vpd_base = FA_NVRAM_VPD1_ADDR;
	}
3233 3234 3235 3236 3237 3238 3239 3240 3241 3242 3243 3244 3245 3246 3247 3248 3249 3250 3251 3252 3253 3254 3255 3256 3257 3258 3259 3260 3261 3262 3263 3264 3265 3266 3267 3268 3269 3270 3271 3272 3273 3274 3275 3276 3277 3278 3279 3280 3281 3282 3283 3284 3285 3286 3287 3288 3289 3290 3291 3292 3293 3294 3295 3296 3297 3298 3299 3300 3301 3302 3303 3304 3305 3306 3307 3308 3309 3310 3311 3312 3313 3314 3315 3316 3317 3318 3319 3320 3321 3322 3323 3324 3325 3326 3327 3328 3329 3330 3331 3332 3333 3334 3335 3336 3337 3338 3339 3340

	/* 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)
3341
			ha->model_desc = qla2x00_model_name[index * 2 + 1];
3342 3343 3344
	} else
		strcpy(ha->model_number, "QLA2462");

3345 3346 3347 3348 3349 3350
	/* Use alternate WWN? */
	if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
		memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
		memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
	}

3351
	/* Prepare nodename */
3352
	if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
3353 3354 3355 3356 3357 3358 3359 3360 3361 3362 3363 3364 3365 3366 3367
		/*
		 * 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;

3368 3369
	ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
	    (BIT_6 | BIT_5 | BIT_4)) >> 4;
3370 3371 3372 3373 3374 3375 3376 3377 3378 3379 3380

	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;

3381 3382
	icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);

3383 3384 3385 3386 3387 3388 3389 3390 3391 3392 3393 3394 3395 3396 3397 3398 3399 3400 3401 3402 3403 3404 3405 3406 3407 3408 3409 3410 3411 3412 3413 3414 3415 3416 3417 3418 3419 3420 3421 3422 3423 3424 3425 3426 3427 3428 3429 3430 3431 3432
	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;

3433 3434 3435 3436 3437 3438 3439 3440 3441 3442 3443
	/* 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) {
3444 3445
		ha->zio_mode = QLA_ZIO_MODE_6;

3446 3447 3448 3449 3450 3451 3452 3453 3454 3455 3456 3457 3458
		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;
	}

3459 3460 3461 3462 3463 3464 3465
	if (rval) {
		DEBUG2_3(printk(KERN_WARNING
		    "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
	}
	return (rval);
}

3466 3467 3468 3469 3470 3471 3472 3473 3474 3475 3476 3477 3478 3479 3480 3481 3482 3483 3484 3485 3486 3487 3488 3489 3490 3491 3492 3493 3494 3495 3496 3497 3498 3499 3500 3501 3502 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
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;
}

3548 3549
#if defined(CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE)

3550 3551 3552
int
qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
{
3553 3554 3555 3556 3557
	int	rval, num, i;
	uint32_t cnt;
	uint16_t *risc_code;
	uint32_t risc_addr, risc_size;
	uint16_t *req_ring;
3558 3559 3560 3561 3562 3563 3564 3565 3566
	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;
3567 3568 3569 3570 3571
		risc_size = *fw_iter->fwlen;
		if (fw_iter->addressing == FW_INFO_ADDR_NORMAL)
			risc_addr = *fw_iter->fwstart;
		else
			risc_addr = *fw_iter->lfwstart;
3572 3573 3574

		num = 0;
		rval = 0;
3575
		while (risc_size > 0 && !rval) {
3576
			cnt = (uint16_t)(ha->fw_transfer_size >> 1);
3577 3578
			if (cnt > risc_size)
				cnt = risc_size;
3579 3580 3581

			DEBUG7(printk("scsi(%ld): Loading risc segment@ "
			    "addr %p, number of bytes 0x%x, offset 0x%lx.\n",
3582
			    ha->host_no, risc_code, cnt, risc_addr));
3583 3584 3585 3586 3587

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

3588 3589
			rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
			    cnt);
3590 3591 3592 3593 3594 3595 3596 3597 3598 3599 3600 3601 3602
			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;
3603 3604
			risc_addr += cnt;
			risc_size -= cnt;
3605 3606 3607 3608 3609 3610
			num++;
		}

		/* Next firmware sequence */
		fw_iter++;
	}
3611
	return rval;
3612 3613
}

3614 3615 3616 3617 3618 3619 3620 3621 3622 3623 3624 3625 3626 3627 3628 3629 3630 3631 3632 3633 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
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;
}

3675 3676
#else	/* !defined(CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE) */

3677 3678
#define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"

3679
int
3680 3681 3682 3683 3684 3685 3686 3687 3688 3689 3690 3691
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");
3692 3693
		qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
		    "from: " QLA_FW_URL ".\n");
3694 3695 3696 3697 3698 3699 3700 3701 3702 3703 3704 3705 3706 3707 3708 3709 3710 3711 3712 3713 3714 3715 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
		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)
3781 3782 3783 3784 3785 3786 3787
{
	int	rval;
	int	segments, fragment;
	uint32_t *dcode, dlen;
	uint32_t risc_addr;
	uint32_t risc_size;
	uint32_t i;
3788
	struct fw_blob *blob;
3789 3790
	uint32_t *fwcode, fwclen;

3791 3792 3793 3794
	/* Load firmware blob. */
	blob = qla2x00_request_firmware(ha);
	if (!blob) {
		qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
3795 3796 3797 3798 3799 3800 3801
		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);
3802 3803 3804 3805 3806 3807 3808
	}

	rval = QLA_SUCCESS;

	segments = FA_RISC_CODE_SEGMENTS;
	dcode = (uint32_t *)ha->request_ring;
	*srisc_addr = 0;
3809
	fwcode = (uint32_t *)blob->fw->data;
3810 3811 3812
	fwclen = 0;

	/* Validate firmware image by checking version. */
3813
	if (blob->fw->size < 8 * sizeof(uint32_t)) {
3814
		qla_printk(KERN_WARNING, ha,
3815 3816
		    "Unable to verify integrity of firmware image (%Zd)!\n",
		    blob->fw->size);
3817 3818 3819 3820 3821 3822 3823 3824 3825
		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,
3826
		    "Unable to verify integrity of firmware image!\n");
3827 3828 3829 3830 3831 3832 3833 3834 3835 3836 3837 3838 3839
		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);
3840
		if (blob->fw->size < fwclen) {
3841
			qla_printk(KERN_WARNING, ha,
3842 3843 3844
			    "Unable to verify integrity of firmware image "
			    "(%Zd)!\n", blob->fw->size);

3845 3846 3847 3848 3849 3850 3851 3852 3853 3854 3855 3856 3857 3858 3859 3860
			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]);

3861 3862
			rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
			    dlen);
3863 3864 3865 3866 3867 3868 3869 3870 3871 3872 3873 3874 3875 3876 3877 3878 3879 3880 3881 3882 3883 3884 3885 3886
			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;
}
3887
#endif