text: /*
   * QLogic Fibre Channel HBA Driver
   * Copyright (c)  2003-2013 QLogic Corporation
   *
   * See LICENSE.qla2xxx for copyright and licensing details.
   */
  #include "qla_def.h"
  #include "qla_target.h"
  
  #include <linux/delay.h>
  #include <linux/gfp.h>
  
  
  /*
   * qla2x00_mailbox_command
   *	Issue mailbox command and waits for completion.
   *
   * Input:
   *	ha = adapter block pointer.
   *	mcp = driver internal mbx struct pointer.
   *
   * Output:
   *	mb[MAX_MAILBOX_REGISTER_COUNT] = returned mailbox data.
   *
   * Returns:
   *	0 : QLA_SUCCESS = cmd performed success
   *	1 : QLA_FUNCTION_FAILED   (error encountered)
   *	6 : QLA_FUNCTION_TIMEOUT (timeout condition encountered)
   *
   * Context:
   *	Kernel context.
   */
  static int
  qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
  {
  	int		rval;
  	unsigned long    flags = 0;
  	device_reg_t __iomem *reg;
  	uint8_t		abort_active;
  	uint8_t		io_lock_on;
  	uint16_t	command = 0;
  	uint16_t	*iptr;
  	uint16_t __iomem *optr;
  	uint32_t	cnt;
  	uint32_t	mboxes;
  	unsigned long	wait_time;
  	struct qla_hw_data *ha = vha->hw;
  	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
  
  	ql_dbg(ql_dbg_mbx, vha, 0x1000, "Entered %s.\n", __func__);
  
  	if (ha->pdev->error_state > pci_channel_io_frozen) {
  		ql_log(ql_log_warn, vha, 0x1001,
  		    "error_state is greater than pci_channel_io_frozen, "
  		    "exiting.\n");
  		return QLA_FUNCTION_TIMEOUT;
  	}
  
  	if (vha->device_flags & DFLG_DEV_FAILED) {
  		ql_log(ql_log_warn, vha, 0x1002,
  		    "Device in failed state, exiting.\n");
  		return QLA_FUNCTION_TIMEOUT;
  	}
  
  	reg = ha->iobase;
  	io_lock_on = base_vha->flags.init_done;
  
  	rval = QLA_SUCCESS;
  	abort_active = test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
  
  
  	if (ha->flags.pci_channel_io_perm_failure) {
  		ql_log(ql_log_warn, vha, 0x1003,
  		    "Perm failure on EEH timeout MBX, exiting.\n");
  		return QLA_FUNCTION_TIMEOUT;
  	}
  
  	if (IS_QLA82XX(ha) && ha->flags.isp82xx_fw_hung) {
  		/* Setting Link-Down error */
  		mcp->mb[0] = MBS_LINK_DOWN_ERROR;
  		ql_log(ql_log_warn, vha, 0x1004,
  		    "FW hung = %d.\n", ha->flags.isp82xx_fw_hung);
  		return QLA_FUNCTION_TIMEOUT;
  	}
  
  	/*
  	 * Wait for active mailbox commands to finish by waiting at most tov
  	 * seconds. This is to serialize actual issuing of mailbox cmds during
  	 * non ISP abort time.
  	 */
  	if (!wait_for_completion_timeout(&ha->mbx_cmd_comp, mcp->tov * HZ)) {
  		/* Timeout occurred. Return error. */
  		ql_log(ql_log_warn, vha, 0x1005,
  		    "Cmd access timeout, cmd=0x%x, Exiting.\n",
  		    mcp->mb[0]);
  		return QLA_FUNCTION_TIMEOUT;
  	}
  
  	ha->flags.mbox_busy = 1;
  	/* Save mailbox command for debug */
  	ha->mcp = mcp;
  
  	ql_dbg(ql_dbg_mbx, vha, 0x1006,
  	    "Prepare to issue mbox cmd=0x%x.\n", mcp->mb[0]);
  
  	spin_lock_irqsave(&ha->hardware_lock, flags);
  
  	/* Load mailbox registers. */
  	if (IS_QLA82XX(ha))
  		optr = (uint16_t __iomem *)&reg->isp82.mailbox_in[0];
  	else if (IS_FWI2_CAPABLE(ha) && !IS_QLA82XX(ha))
  		optr = (uint16_t __iomem *)&reg->isp24.mailbox0;
  	else
  		optr = (uint16_t __iomem *)MAILBOX_REG(ha, &reg->isp, 0);
  
  	iptr = mcp->mb;
  	command = mcp->mb[0];
  	mboxes = mcp->out_mb;
  
  	for (cnt = 0; cnt < ha->mbx_count; cnt++) {
  		if (IS_QLA2200(ha) && cnt == 8)
  			optr =
  			    (uint16_t __iomem *)MAILBOX_REG(ha, &reg->isp, 8);
  		if (mboxes & BIT_0)
  			WRT_REG_WORD(optr, *iptr);
  
  		mboxes >>= 1;
  		optr++;
  		iptr++;
  	}
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1111,
  	    "Loaded MBX registers (displayed in bytes) =.\n");
  	ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1112,
  	    (uint8_t *)mcp->mb, 16);
  	ql_dbg(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1113,
  	    ".\n");
  	ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1114,
  	    ((uint8_t *)mcp->mb + 0x10), 16);
  	ql_dbg(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1115,
  	    ".\n");
  	ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1116,
  	    ((uint8_t *)mcp->mb + 0x20), 8);
  	ql_dbg(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1117,
  	    "I/O Address = %p.\n", optr);
  	ql_dump_regs(ql_dbg_mbx + ql_dbg_buffer, vha, 0x100e);
  
  	/* Issue set host interrupt command to send cmd out. */
  	ha->flags.mbox_int = 0;
  	clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
  
  	/* Unlock mbx registers and wait for interrupt */
  	ql_dbg(ql_dbg_mbx, vha, 0x100f,
  	    "Going to unlock irq & waiting for interrupts. "
  	    "jiffies=%lx.\n", jiffies);
  
  	/* Wait for mbx cmd completion until timeout */
  
  	if ((!abort_active && io_lock_on) || IS_NOPOLLING_TYPE(ha)) {
  		set_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags);
  
  		if (IS_QLA82XX(ha)) {
  			if (RD_REG_DWORD(&reg->isp82.hint) &
  				HINT_MBX_INT_PENDING) {
  				spin_unlock_irqrestore(&ha->hardware_lock,
  					flags);
  				ha->flags.mbox_busy = 0;
  				ql_dbg(ql_dbg_mbx, vha, 0x1010,
  				    "Pending mailbox timeout, exiting.\n");
  				rval = QLA_FUNCTION_TIMEOUT;
  				goto premature_exit;
  			}
  			WRT_REG_DWORD(&reg->isp82.hint, HINT_MBX_INT_PENDING);
  		} else if (IS_FWI2_CAPABLE(ha))
  			WRT_REG_DWORD(&reg->isp24.hccr, HCCRX_SET_HOST_INT);
  		else
  			WRT_REG_WORD(&reg->isp.hccr, HCCR_SET_HOST_INT);
  		spin_unlock_irqrestore(&ha->hardware_lock, flags);
  
  		wait_for_completion_timeout(&ha->mbx_intr_comp, mcp->tov * HZ);
  
  	} else {
  		ql_dbg(ql_dbg_mbx, vha, 0x1011,
  		    "Cmd=%x Polling Mode.\n", command);
  
  		if (IS_QLA82XX(ha)) {
  			if (RD_REG_DWORD(&reg->isp82.hint) &
  				HINT_MBX_INT_PENDING) {
  				spin_unlock_irqrestore(&ha->hardware_lock,
  					flags);
  				ha->flags.mbox_busy = 0;
  				ql_dbg(ql_dbg_mbx, vha, 0x1012,
  				    "Pending mailbox timeout, exiting.\n");
  				rval = QLA_FUNCTION_TIMEOUT;
  				goto premature_exit;
  			}
  			WRT_REG_DWORD(&reg->isp82.hint, HINT_MBX_INT_PENDING);
  		} else if (IS_FWI2_CAPABLE(ha))
  			WRT_REG_DWORD(&reg->isp24.hccr, HCCRX_SET_HOST_INT);
  		else
  			WRT_REG_WORD(&reg->isp.hccr, HCCR_SET_HOST_INT);
  		spin_unlock_irqrestore(&ha->hardware_lock, flags);
  
  		wait_time = jiffies + mcp->tov * HZ; /* wait at most tov secs */
  		while (!ha->flags.mbox_int) {
  			if (time_after(jiffies, wait_time))
  				break;
  
  			/* Check for pending interrupts. */
  			qla2x00_poll(ha->rsp_q_map[0]);
  
  			if (!ha->flags.mbox_int &&
  			    !(IS_QLA2200(ha) &&
  			    command == MBC_LOAD_RISC_RAM_EXTENDED))
  				msleep(10);
  		} /* while */
  		ql_dbg(ql_dbg_mbx, vha, 0x1013,
  		    "Waited %d sec.\n",
  		    (uint)((jiffies - (wait_time - (mcp->tov * HZ)))/HZ));
  	}
  
  	/* Check whether we timed out */
  	if (ha->flags.mbox_int) {
  		uint16_t *iptr2;
  
  		ql_dbg(ql_dbg_mbx, vha, 0x1014,
  		    "Cmd=%x completed.\n", command);
  
  		/* Got interrupt. Clear the flag. */
  		ha->flags.mbox_int = 0;
  		clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
  
  		if ((IS_QLA82XX(ha) && ha->flags.isp82xx_fw_hung)) {
  			ha->flags.mbox_busy = 0;
  			/* Setting Link-Down error */
  			mcp->mb[0] = MBS_LINK_DOWN_ERROR;
  			ha->mcp = NULL;
  			rval = QLA_FUNCTION_FAILED;
  			ql_log(ql_log_warn, vha, 0x1015,
  			    "FW hung = %d.\n", ha->flags.isp82xx_fw_hung);
  			goto premature_exit;
  		}
  
  		if (ha->mailbox_out[0] != MBS_COMMAND_COMPLETE)
  			rval = QLA_FUNCTION_FAILED;
  
  		/* Load return mailbox registers. */
  		iptr2 = mcp->mb;
  		iptr = (uint16_t *)&ha->mailbox_out[0];
  		mboxes = mcp->in_mb;
  		for (cnt = 0; cnt < ha->mbx_count; cnt++) {
  			if (mboxes & BIT_0)
  				*iptr2 = *iptr;
  
  			mboxes >>= 1;
  			iptr2++;
  			iptr++;
  		}
  	} else {
  
  		uint16_t mb0;
  		uint32_t ictrl;
  
  		if (IS_FWI2_CAPABLE(ha)) {
  			mb0 = RD_REG_WORD(&reg->isp24.mailbox0);
  			ictrl = RD_REG_DWORD(&reg->isp24.ictrl);
  		} else {
  			mb0 = RD_MAILBOX_REG(ha, &reg->isp, 0);
  			ictrl = RD_REG_WORD(&reg->isp.ictrl);
  		}
  		ql_dbg(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1119,
  		    "MBX Command timeout for cmd %x, iocontrol=%x jiffies=%lx "
  		    "mb[0]=0x%x\n", command, ictrl, jiffies, mb0);
  		ql_dump_regs(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1019);
  
  		/*
  		 * Attempt to capture a firmware dump for further analysis
  		 * of the current firmware state
  		 */
  		ha->isp_ops->fw_dump(vha, 0);
  
  		rval = QLA_FUNCTION_TIMEOUT;
  	}
  
  	ha->flags.mbox_busy = 0;
  
  	/* Clean up */
  	ha->mcp = NULL;
  
  	if ((abort_active || !io_lock_on) && !IS_NOPOLLING_TYPE(ha)) {
  		ql_dbg(ql_dbg_mbx, vha, 0x101a,
  		    "Checking for additional resp interrupt.\n");
  
  		/* polling mode for non isp_abort commands. */
  		qla2x00_poll(ha->rsp_q_map[0]);
  	}
  
  	if (rval == QLA_FUNCTION_TIMEOUT &&
  	    mcp->mb[0] != MBC_GEN_SYSTEM_ERROR) {
  		if (!io_lock_on || (mcp->flags & IOCTL_CMD) ||
  		    ha->flags.eeh_busy) {
  			/* not in dpc. schedule it for dpc to take over. */
  			ql_dbg(ql_dbg_mbx, vha, 0x101b,
  			    "Timeout, schedule isp_abort_needed.\n");
  
  			if (!test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) &&
  			    !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) &&
  			    !test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
  				if (IS_QLA82XX(ha)) {
  					ql_dbg(ql_dbg_mbx, vha, 0x112a,
  					    "disabling pause transmit on port "
  					    "0 & 1.\n");
  					qla82xx_wr_32(ha,
  					    QLA82XX_CRB_NIU + 0x98,
  					    CRB_NIU_XG_PAUSE_CTL_P0|
  					    CRB_NIU_XG_PAUSE_CTL_P1);
  				}
  				ql_log(ql_log_info, base_vha, 0x101c,
  				    "Mailbox cmd timeout occurred, cmd=0x%x, "
  				    "mb[0]=0x%x, eeh_busy=0x%x. Scheduling ISP "
  				    "abort.\n", command, mcp->mb[0],
  				    ha->flags.eeh_busy);
  				set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
  				qla2xxx_wake_dpc(vha);
  			}
  		} else if (!abort_active) {
  			/* call abort directly since we are in the DPC thread */
  			ql_dbg(ql_dbg_mbx, vha, 0x101d,
  			    "Timeout, calling abort_isp.\n");
  
  			if (!test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) &&
  			    !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) &&
  			    !test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
  				if (IS_QLA82XX(ha)) {
  					ql_dbg(ql_dbg_mbx, vha, 0x112b,
  					    "disabling pause transmit on port "
  					    "0 & 1.\n");
  					qla82xx_wr_32(ha,
  					    QLA82XX_CRB_NIU + 0x98,
  					    CRB_NIU_XG_PAUSE_CTL_P0|
  					    CRB_NIU_XG_PAUSE_CTL_P1);
  				}
  				ql_log(ql_log_info, base_vha, 0x101e,
  				    "Mailbox cmd timeout occurred, cmd=0x%x, "
  				    "mb[0]=0x%x. Scheduling ISP abort ",
  				    command, mcp->mb[0]);
  				set_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags);
  				clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
  				/* Allow next mbx cmd to come in. */
  				complete(&ha->mbx_cmd_comp);
  				if (ha->isp_ops->abort_isp(vha)) {
  					/* Failed. retry later. */
  					set_bit(ISP_ABORT_NEEDED,
  					    &vha->dpc_flags);
  				}
  				clear_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags);
  				ql_dbg(ql_dbg_mbx, vha, 0x101f,
  				    "Finished abort_isp.\n");
  				goto mbx_done;
  			}
  		}
  	}
  
  premature_exit:
  	/* Allow next mbx cmd to come in. */
  	complete(&ha->mbx_cmd_comp);
  
  mbx_done:
  	if (rval) {
  		ql_log(ql_log_warn, base_vha, 0x1020,
  		    "**** Failed mbx[0]=%x, mb[1]=%x, mb[2]=%x, mb[3]=%x, cmd=%x ****.\n",
  		    mcp->mb[0], mcp->mb[1], mcp->mb[2], mcp->mb[3], command);
  	} else {
  		ql_dbg(ql_dbg_mbx, base_vha, 0x1021, "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  
  int
  qla2x00_load_ram(scsi_qla_host_t *vha, dma_addr_t req_dma, uint32_t risc_addr,
      uint32_t risc_code_size)
  {
  	int rval;
  	struct qla_hw_data *ha = vha->hw;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1022,
  	    "Entered %s.\n", __func__);
  
  	if (MSW(risc_addr) || IS_FWI2_CAPABLE(ha)) {
  		mcp->mb[0] = MBC_LOAD_RISC_RAM_EXTENDED;
  		mcp->mb[8] = MSW(risc_addr);
  		mcp->out_mb = MBX_8|MBX_0;
  	} else {
  		mcp->mb[0] = MBC_LOAD_RISC_RAM;
  		mcp->out_mb = MBX_0;
  	}
  	mcp->mb[1] = LSW(risc_addr);
  	mcp->mb[2] = MSW(req_dma);
  	mcp->mb[3] = LSW(req_dma);
  	mcp->mb[6] = MSW(MSD(req_dma));
  	mcp->mb[7] = LSW(MSD(req_dma));
  	mcp->out_mb |= MBX_7|MBX_6|MBX_3|MBX_2|MBX_1;
  	if (IS_FWI2_CAPABLE(ha)) {
  		mcp->mb[4] = MSW(risc_code_size);
  		mcp->mb[5] = LSW(risc_code_size);
  		mcp->out_mb |= MBX_5|MBX_4;
  	} else {
  		mcp->mb[4] = LSW(risc_code_size);
  		mcp->out_mb |= MBX_4;
  	}
  
  	mcp->in_mb = MBX_0;
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x1023,
  		    "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
  	} else {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1024,
  		    "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  
  #define	EXTENDED_BB_CREDITS	BIT_0
  /*
   * qla2x00_execute_fw
   *     Start adapter firmware.
   *
   * Input:
   *     ha = adapter block pointer.
   *     TARGET_QUEUE_LOCK must be released.
   *     ADAPTER_STATE_LOCK must be released.
   *
   * Returns:
   *     qla2x00 local function return status code.
   *
   * Context:
   *     Kernel context.
   */
  int
  qla2x00_execute_fw(scsi_qla_host_t *vha, uint32_t risc_addr)
  {
  	int rval;
  	struct qla_hw_data *ha = vha->hw;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1025,
  	    "Entered %s.\n", __func__);
  
  	mcp->mb[0] = MBC_EXECUTE_FIRMWARE;
  	mcp->out_mb = MBX_0;
  	mcp->in_mb = MBX_0;
  	if (IS_FWI2_CAPABLE(ha)) {
  		mcp->mb[1] = MSW(risc_addr);
  		mcp->mb[2] = LSW(risc_addr);
  		mcp->mb[3] = 0;
  		if (IS_QLA81XX(ha) || IS_QLA83XX(ha)) {
  			struct nvram_81xx *nv = ha->nvram;
  			mcp->mb[4] = (nv->enhanced_features &
  			    EXTENDED_BB_CREDITS);
  		} else
  			mcp->mb[4] = 0;
  		mcp->out_mb |= MBX_4|MBX_3|MBX_2|MBX_1;
  		mcp->in_mb |= MBX_1;
  	} else {
  		mcp->mb[1] = LSW(risc_addr);
  		mcp->out_mb |= MBX_1;
  		if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
  			mcp->mb[2] = 0;
  			mcp->out_mb |= MBX_2;
  		}
  	}
  
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x1026,
  		    "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
  	} else {
  		if (IS_FWI2_CAPABLE(ha)) {
  			ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1027,
  			    "Done exchanges=%x.\n", mcp->mb[1]);
  		} else {
  			ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1028,
  			    "Done %s.\n", __func__);
  		}
  	}
  
  	return rval;
  }
  
  /*
   * qla2x00_get_fw_version
   *	Get firmware version.
   *
   * Input:
   *	ha:		adapter state pointer.
   *	major:		pointer for major number.
   *	minor:		pointer for minor number.
   *	subminor:	pointer for subminor number.
   *
   * Returns:
   *	qla2x00 local function return status code.
   *
   * Context:
   *	Kernel context.
   */
  int
  qla2x00_get_fw_version(scsi_qla_host_t *vha)
  {
  	int		rval;
  	mbx_cmd_t	mc;
  	mbx_cmd_t	*mcp = &mc;
  	struct qla_hw_data *ha = vha->hw;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1029,
  	    "Entered %s.\n", __func__);
  
  	mcp->mb[0] = MBC_GET_FIRMWARE_VERSION;
  	mcp->out_mb = MBX_0;
  	mcp->in_mb = MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
  	if (IS_QLA81XX(vha->hw) || IS_QLA8031(ha))
  		mcp->in_mb |= MBX_13|MBX_12|MBX_11|MBX_10|MBX_9|MBX_8;
  	if (IS_FWI2_CAPABLE(ha))
  		mcp->in_mb |= MBX_17|MBX_16|MBX_15;
  	mcp->flags = 0;
  	mcp->tov = MBX_TOV_SECONDS;
  	rval = qla2x00_mailbox_command(vha, mcp);
  	if (rval != QLA_SUCCESS)
  		goto failed;
  
  	/* Return mailbox data. */
  	ha->fw_major_version = mcp->mb[1];
  	ha->fw_minor_version = mcp->mb[2];
  	ha->fw_subminor_version = mcp->mb[3];
  	ha->fw_attributes = mcp->mb[6];
  	if (IS_QLA2100(vha->hw) || IS_QLA2200(vha->hw))
  		ha->fw_memory_size = 0x1FFFF;		/* Defaults to 128KB. */
  	else
  		ha->fw_memory_size = (mcp->mb[5] << 16) | mcp->mb[4];
  	if (IS_QLA81XX(vha->hw) || IS_QLA8031(vha->hw)) {
  		ha->mpi_version[0] = mcp->mb[10] & 0xff;
  		ha->mpi_version[1] = mcp->mb[11] >> 8;
  		ha->mpi_version[2] = mcp->mb[11] & 0xff;
  		ha->mpi_capabilities = (mcp->mb[12] << 16) | mcp->mb[13];
  		ha->phy_version[0] = mcp->mb[8] & 0xff;
  		ha->phy_version[1] = mcp->mb[9] >> 8;
  		ha->phy_version[2] = mcp->mb[9] & 0xff;
  	}
  	if (IS_FWI2_CAPABLE(ha)) {
  		ha->fw_attributes_h = mcp->mb[15];
  		ha->fw_attributes_ext[0] = mcp->mb[16];
  		ha->fw_attributes_ext[1] = mcp->mb[17];
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1139,
  		    "%s: FW_attributes Upper: 0x%x, Lower: 0x%x.\n",
  		    __func__, mcp->mb[15], mcp->mb[6]);
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x112f,
  		    "%s: Ext_FwAttributes Upper: 0x%x, Lower: 0x%x.\n",
  		    __func__, mcp->mb[17], mcp->mb[16]);
  	}
  
  failed:
  	if (rval != QLA_SUCCESS) {
  		/*EMPTY*/
  		ql_dbg(ql_dbg_mbx, vha, 0x102a, "Failed=%x.\n", rval);
  	} else {
  		/*EMPTY*/
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x102b,
  		    "Done %s.\n", __func__);
  	}
  	return rval;
  }
  
  /*
   * qla2x00_get_fw_options
   *	Set firmware options.
   *
   * Input:
   *	ha = adapter block pointer.
   *	fwopt = pointer for firmware options.
   *
   * Returns:
   *	qla2x00 local function return status code.
   *
   * Context:
   *	Kernel context.
   */
  int
  qla2x00_get_fw_options(scsi_qla_host_t *vha, uint16_t *fwopts)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x102c,
  	    "Entered %s.\n", __func__);
  
  	mcp->mb[0] = MBC_GET_FIRMWARE_OPTION;
  	mcp->out_mb = MBX_0;
  	mcp->in_mb = MBX_3|MBX_2|MBX_1|MBX_0;
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  
  	if (rval != QLA_SUCCESS) {
  		/*EMPTY*/
  		ql_dbg(ql_dbg_mbx, vha, 0x102d, "Failed=%x.\n", rval);
  	} else {
  		fwopts[0] = mcp->mb[0];
  		fwopts[1] = mcp->mb[1];
  		fwopts[2] = mcp->mb[2];
  		fwopts[3] = mcp->mb[3];
  
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x102e,
  		    "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  
  
  /*
   * qla2x00_set_fw_options
   *	Set firmware options.
   *
   * Input:
   *	ha = adapter block pointer.
   *	fwopt = pointer for firmware options.
   *
   * Returns:
   *	qla2x00 local function return status code.
   *
   * Context:
   *	Kernel context.
   */
  int
  qla2x00_set_fw_options(scsi_qla_host_t *vha, uint16_t *fwopts)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x102f,
  	    "Entered %s.\n", __func__);
  
  	mcp->mb[0] = MBC_SET_FIRMWARE_OPTION;
  	mcp->mb[1] = fwopts[1];
  	mcp->mb[2] = fwopts[2];
  	mcp->mb[3] = fwopts[3];
  	mcp->out_mb = MBX_3|MBX_2|MBX_1|MBX_0;
  	mcp->in_mb = MBX_0;
  	if (IS_FWI2_CAPABLE(vha->hw)) {
  		mcp->in_mb |= MBX_1;
  	} else {
  		mcp->mb[10] = fwopts[10];
  		mcp->mb[11] = fwopts[11];
  		mcp->mb[12] = 0;	/* Undocumented, but used */
  		mcp->out_mb |= MBX_12|MBX_11|MBX_10;
  	}
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  
  	fwopts[0] = mcp->mb[0];
  
  	if (rval != QLA_SUCCESS) {
  		/*EMPTY*/
  		ql_dbg(ql_dbg_mbx, vha, 0x1030,
  		    "Failed=%x (%x/%x).\n", rval, mcp->mb[0], mcp->mb[1]);
  	} else {
  		/*EMPTY*/
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1031,
  		    "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  
  /*
   * qla2x00_mbx_reg_test
   *	Mailbox register wrap test.
   *
   * Input:
   *	ha = adapter block pointer.
   *	TARGET_QUEUE_LOCK must be released.
   *	ADAPTER_STATE_LOCK must be released.
   *
   * Returns:
   *	qla2x00 local function return status code.
   *
   * Context:
   *	Kernel context.
   */
  int
  qla2x00_mbx_reg_test(scsi_qla_host_t *vha)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1032,
  	    "Entered %s.\n", __func__);
  
  	mcp->mb[0] = MBC_MAILBOX_REGISTER_TEST;
  	mcp->mb[1] = 0xAAAA;
  	mcp->mb[2] = 0x5555;
  	mcp->mb[3] = 0xAA55;
  	mcp->mb[4] = 0x55AA;
  	mcp->mb[5] = 0xA5A5;
  	mcp->mb[6] = 0x5A5A;
  	mcp->mb[7] = 0x2525;
  	mcp->out_mb = MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
  	mcp->in_mb = MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  
  	if (rval == QLA_SUCCESS) {
  		if (mcp->mb[1] != 0xAAAA || mcp->mb[2] != 0x5555 ||
  		    mcp->mb[3] != 0xAA55 || mcp->mb[4] != 0x55AA)
  			rval = QLA_FUNCTION_FAILED;
  		if (mcp->mb[5] != 0xA5A5 || mcp->mb[6] != 0x5A5A ||
  		    mcp->mb[7] != 0x2525)
  			rval = QLA_FUNCTION_FAILED;
  	}
  
  	if (rval != QLA_SUCCESS) {
  		/*EMPTY*/
  		ql_dbg(ql_dbg_mbx, vha, 0x1033, "Failed=%x.\n", rval);
  	} else {
  		/*EMPTY*/
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1034,
  		    "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  
  /*
   * qla2x00_verify_checksum
   *	Verify firmware checksum.
   *
   * Input:
   *	ha = adapter block pointer.
   *	TARGET_QUEUE_LOCK must be released.
   *	ADAPTER_STATE_LOCK must be released.
   *
   * Returns:
   *	qla2x00 local function return status code.
   *
   * Context:
   *	Kernel context.
   */
  int
  qla2x00_verify_checksum(scsi_qla_host_t *vha, uint32_t risc_addr)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1035,
  	    "Entered %s.\n", __func__);
  
  	mcp->mb[0] = MBC_VERIFY_CHECKSUM;
  	mcp->out_mb = MBX_0;
  	mcp->in_mb = MBX_0;
  	if (IS_FWI2_CAPABLE(vha->hw)) {
  		mcp->mb[1] = MSW(risc_addr);
  		mcp->mb[2] = LSW(risc_addr);
  		mcp->out_mb |= MBX_2|MBX_1;
  		mcp->in_mb |= MBX_2|MBX_1;
  	} else {
  		mcp->mb[1] = LSW(risc_addr);
  		mcp->out_mb |= MBX_1;
  		mcp->in_mb |= MBX_1;
  	}
  
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x1036,
  		    "Failed=%x chm sum=%x.\n", rval, IS_FWI2_CAPABLE(vha->hw) ?
  		    (mcp->mb[2] << 16) | mcp->mb[1] : mcp->mb[1]);
  	} else {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1037,
  		    "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  
  /*
   * qla2x00_issue_iocb
   *	Issue IOCB using mailbox command
   *
   * Input:
   *	ha = adapter state pointer.
   *	buffer = buffer pointer.
   *	phys_addr = physical address of buffer.
   *	size = size of buffer.
   *	TARGET_QUEUE_LOCK must be released.
   *	ADAPTER_STATE_LOCK must be released.
   *
   * Returns:
   *	qla2x00 local function return status code.
   *
   * Context:
   *	Kernel context.
   */
  int
  qla2x00_issue_iocb_timeout(scsi_qla_host_t *vha, void *buffer,
      dma_addr_t phys_addr, size_t size, uint32_t tov)
  {
  	int		rval;
  	mbx_cmd_t	mc;
  	mbx_cmd_t	*mcp = &mc;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1038,
  	    "Entered %s.\n", __func__);
  
  	mcp->mb[0] = MBC_IOCB_COMMAND_A64;
  	mcp->mb[1] = 0;
  	mcp->mb[2] = MSW(phys_addr);
  	mcp->mb[3] = LSW(phys_addr);
  	mcp->mb[6] = MSW(MSD(phys_addr));
  	mcp->mb[7] = LSW(MSD(phys_addr));
  	mcp->out_mb = MBX_7|MBX_6|MBX_3|MBX_2|MBX_1|MBX_0;
  	mcp->in_mb = MBX_2|MBX_0;
  	mcp->tov = tov;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  
  	if (rval != QLA_SUCCESS) {
  		/*EMPTY*/
  		ql_dbg(ql_dbg_mbx, vha, 0x1039, "Failed=%x.\n", rval);
  	} else {
  		sts_entry_t *sts_entry = (sts_entry_t *) buffer;
  
  		/* Mask reserved bits. */
  		sts_entry->entry_status &=
  		    IS_FWI2_CAPABLE(vha->hw) ? RF_MASK_24XX : RF_MASK;
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x103a,
  		    "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  
  int
  qla2x00_issue_iocb(scsi_qla_host_t *vha, void *buffer, dma_addr_t phys_addr,
      size_t size)
  {
  	return qla2x00_issue_iocb_timeout(vha, buffer, phys_addr, size,
  	    MBX_TOV_SECONDS);
  }
  
  /*
   * qla2x00_abort_command
   *	Abort command aborts a specified IOCB.
   *
   * Input:
   *	ha = adapter block pointer.
   *	sp = SB structure pointer.
   *
   * Returns:
   *	qla2x00 local function return status code.
   *
   * Context:
   *	Kernel context.
   */
  int
  qla2x00_abort_command(srb_t *sp)
  {
  	unsigned long   flags = 0;
  	int		rval;
  	uint32_t	handle = 0;
  	mbx_cmd_t	mc;
  	mbx_cmd_t	*mcp = &mc;
  	fc_port_t	*fcport = sp->fcport;
  	scsi_qla_host_t *vha = fcport->vha;
  	struct qla_hw_data *ha = vha->hw;
  	struct req_que *req = vha->req;
  	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x103b,
  	    "Entered %s.\n", __func__);
  
  	spin_lock_irqsave(&ha->hardware_lock, flags);
  	for (handle = 1; handle < req->num_outstanding_cmds; handle++) {
  		if (req->outstanding_cmds[handle] == sp)
  			break;
  	}
  	spin_unlock_irqrestore(&ha->hardware_lock, flags);
  
  	if (handle == req->num_outstanding_cmds) {
  		/* command not found */
  		return QLA_FUNCTION_FAILED;
  	}
  
  	mcp->mb[0] = MBC_ABORT_COMMAND;
  	if (HAS_EXTENDED_IDS(ha))
  		mcp->mb[1] = fcport->loop_id;
  	else
  		mcp->mb[1] = fcport->loop_id << 8;
  	mcp->mb[2] = (uint16_t)handle;
  	mcp->mb[3] = (uint16_t)(handle >> 16);
  	mcp->mb[6] = (uint16_t)cmd->device->lun;
  	mcp->out_mb = MBX_6|MBX_3|MBX_2|MBX_1|MBX_0;
  	mcp->in_mb = MBX_0;
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x103c, "Failed=%x.\n", rval);
  	} else {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x103d,
  		    "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  
  int
  qla2x00_abort_target(struct fc_port *fcport, unsigned int l, int tag)
  {
  	int rval, rval2;
  	mbx_cmd_t  mc;
  	mbx_cmd_t  *mcp = &mc;
  	scsi_qla_host_t *vha;
  	struct req_que *req;
  	struct rsp_que *rsp;
  
  	l = l;
  	vha = fcport->vha;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x103e,
  	    "Entered %s.\n", __func__);
  
  	req = vha->hw->req_q_map[0];
  	rsp = req->rsp;
  	mcp->mb[0] = MBC_ABORT_TARGET;
  	mcp->out_mb = MBX_9|MBX_2|MBX_1|MBX_0;
  	if (HAS_EXTENDED_IDS(vha->hw)) {
  		mcp->mb[1] = fcport->loop_id;
  		mcp->mb[10] = 0;
  		mcp->out_mb |= MBX_10;
  	} else {
  		mcp->mb[1] = fcport->loop_id << 8;
  	}
  	mcp->mb[2] = vha->hw->loop_reset_delay;
  	mcp->mb[9] = vha->vp_idx;
  
  	mcp->in_mb = MBX_0;
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x103f,
  		    "Failed=%x.\n", rval);
  	}
  
  	/* Issue marker IOCB. */
  	rval2 = qla2x00_marker(vha, req, rsp, fcport->loop_id, 0,
  							MK_SYNC_ID);
  	if (rval2 != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x1040,
  		    "Failed to issue marker IOCB (%x).\n", rval2);
  	} else {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1041,
  		    "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  
  int
  qla2x00_lun_reset(struct fc_port *fcport, unsigned int l, int tag)
  {
  	int rval, rval2;
  	mbx_cmd_t  mc;
  	mbx_cmd_t  *mcp = &mc;
  	scsi_qla_host_t *vha;
  	struct req_que *req;
  	struct rsp_que *rsp;
  
  	vha = fcport->vha;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1042,
  	    "Entered %s.\n", __func__);
  
  	req = vha->hw->req_q_map[0];
  	rsp = req->rsp;
  	mcp->mb[0] = MBC_LUN_RESET;
  	mcp->out_mb = MBX_9|MBX_3|MBX_2|MBX_1|MBX_0;
  	if (HAS_EXTENDED_IDS(vha->hw))
  		mcp->mb[1] = fcport->loop_id;
  	else
  		mcp->mb[1] = fcport->loop_id << 8;
  	mcp->mb[2] = l;
  	mcp->mb[3] = 0;
  	mcp->mb[9] = vha->vp_idx;
  
  	mcp->in_mb = MBX_0;
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x1043, "Failed=%x.\n", rval);
  	}
  
  	/* Issue marker IOCB. */
  	rval2 = qla2x00_marker(vha, req, rsp, fcport->loop_id, l,
  								MK_SYNC_ID_LUN);
  	if (rval2 != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x1044,
  		    "Failed to issue marker IOCB (%x).\n", rval2);
  	} else {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1045,
  		    "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  
  /*
   * qla2x00_get_adapter_id
   *	Get adapter ID and topology.
   *
   * Input:
   *	ha = adapter block pointer.
   *	id = pointer for loop ID.
   *	al_pa = pointer for AL_PA.
   *	area = pointer for area.
   *	domain = pointer for domain.
   *	top = pointer for topology.
   *	TARGET_QUEUE_LOCK must be released.
   *	ADAPTER_STATE_LOCK must be released.
   *
   * Returns:
   *	qla2x00 local function return status code.
   *
   * Context:
   *	Kernel context.
   */
  int
  qla2x00_get_adapter_id(scsi_qla_host_t *vha, uint16_t *id, uint8_t *al_pa,
      uint8_t *area, uint8_t *domain, uint16_t *top, uint16_t *sw_cap)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1046,
  	    "Entered %s.\n", __func__);
  
  	mcp->mb[0] = MBC_GET_ADAPTER_LOOP_ID;
  	mcp->mb[9] = vha->vp_idx;
  	mcp->out_mb = MBX_9|MBX_0;
  	mcp->in_mb = MBX_9|MBX_7|MBX_6|MBX_3|MBX_2|MBX_1|MBX_0;
  	if (IS_CNA_CAPABLE(vha->hw))
  		mcp->in_mb |= MBX_13|MBX_12|MBX_11|MBX_10;
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  	if (mcp->mb[0] == MBS_COMMAND_ERROR)
  		rval = QLA_COMMAND_ERROR;
  	else if (mcp->mb[0] == MBS_INVALID_COMMAND)
  		rval = QLA_INVALID_COMMAND;
  
  	/* Return data. */
  	*id = mcp->mb[1];
  	*al_pa = LSB(mcp->mb[2]);
  	*area = MSB(mcp->mb[2]);
  	*domain	= LSB(mcp->mb[3]);
  	*top = mcp->mb[6];
  	*sw_cap = mcp->mb[7];
  
  	if (rval != QLA_SUCCESS) {
  		/*EMPTY*/
  		ql_dbg(ql_dbg_mbx, vha, 0x1047, "Failed=%x.\n", rval);
  	} else {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1048,
  		    "Done %s.\n", __func__);
  
  		if (IS_CNA_CAPABLE(vha->hw)) {
  			vha->fcoe_vlan_id = mcp->mb[9] & 0xfff;
  			vha->fcoe_fcf_idx = mcp->mb[10];
  			vha->fcoe_vn_port_mac[5] = mcp->mb[11] >> 8;
  			vha->fcoe_vn_port_mac[4] = mcp->mb[11] & 0xff;
  			vha->fcoe_vn_port_mac[3] = mcp->mb[12] >> 8;
  			vha->fcoe_vn_port_mac[2] = mcp->mb[12] & 0xff;
  			vha->fcoe_vn_port_mac[1] = mcp->mb[13] >> 8;
  			vha->fcoe_vn_port_mac[0] = mcp->mb[13] & 0xff;
  		}
  	}
  
  	return rval;
  }
  
  /*
   * qla2x00_get_retry_cnt
   *	Get current firmware login retry count and delay.
   *
   * Input:
   *	ha = adapter block pointer.
   *	retry_cnt = pointer to login retry count.
   *	tov = pointer to login timeout value.
   *
   * Returns:
   *	qla2x00 local function return status code.
   *
   * Context:
   *	Kernel context.
   */
  int
  qla2x00_get_retry_cnt(scsi_qla_host_t *vha, uint8_t *retry_cnt, uint8_t *tov,
      uint16_t *r_a_tov)
  {
  	int rval;
  	uint16_t ratov;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1049,
  	    "Entered %s.\n", __func__);
  
  	mcp->mb[0] = MBC_GET_RETRY_COUNT;
  	mcp->out_mb = MBX_0;
  	mcp->in_mb = MBX_3|MBX_2|MBX_1|MBX_0;
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  
  	if (rval != QLA_SUCCESS) {
  		/*EMPTY*/
  		ql_dbg(ql_dbg_mbx, vha, 0x104a,
  		    "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
  	} else {
  		/* Convert returned data and check our values. */
  		*r_a_tov = mcp->mb[3] / 2;
  		ratov = (mcp->mb[3]/2) / 10;  /* mb[3] value is in 100ms */
  		if (mcp->mb[1] * ratov > (*retry_cnt) * (*tov)) {
  			/* Update to the larger values */
  			*retry_cnt = (uint8_t)mcp->mb[1];
  			*tov = ratov;
  		}
  
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x104b,
  		    "Done %s mb3=%d ratov=%d.\n", __func__, mcp->mb[3], ratov);
  	}
  
  	return rval;
  }
  
  /*
   * qla2x00_init_firmware
   *	Initialize adapter firmware.
   *
   * Input:
   *	ha = adapter block pointer.
   *	dptr = Initialization control block pointer.
   *	size = size of initialization control block.
   *	TARGET_QUEUE_LOCK must be released.
   *	ADAPTER_STATE_LOCK must be released.
   *
   * Returns:
   *	qla2x00 local function return status code.
   *
   * Context:
   *	Kernel context.
   */
  int
  qla2x00_init_firmware(scsi_qla_host_t *vha, uint16_t size)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  	struct qla_hw_data *ha = vha->hw;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x104c,
  	    "Entered %s.\n", __func__);
  
  	if (IS_QLA82XX(ha) && ql2xdbwr)
  		qla82xx_wr_32(ha, ha->nxdb_wr_ptr,
  			(0x04 | (ha->portnum << 5) | (0 << 8) | (0 << 16)));
  
  	if (ha->flags.npiv_supported)
  		mcp->mb[0] = MBC_MID_INITIALIZE_FIRMWARE;
  	else
  		mcp->mb[0] = MBC_INITIALIZE_FIRMWARE;
  
  	mcp->mb[1] = 0;
  	mcp->mb[2] = MSW(ha->init_cb_dma);
  	mcp->mb[3] = LSW(ha->init_cb_dma);
  	mcp->mb[6] = MSW(MSD(ha->init_cb_dma));
  	mcp->mb[7] = LSW(MSD(ha->init_cb_dma));
  	mcp->out_mb = MBX_7|MBX_6|MBX_3|MBX_2|MBX_1|MBX_0;
  	if ((IS_QLA81XX(ha) || IS_QLA83XX(ha)) && ha->ex_init_cb->ex_version) {
  		mcp->mb[1] = BIT_0;
  		mcp->mb[10] = MSW(ha->ex_init_cb_dma);
  		mcp->mb[11] = LSW(ha->ex_init_cb_dma);
  		mcp->mb[12] = MSW(MSD(ha->ex_init_cb_dma));
  		mcp->mb[13] = LSW(MSD(ha->ex_init_cb_dma));
  		mcp->mb[14] = sizeof(*ha->ex_init_cb);
  		mcp->out_mb |= MBX_14|MBX_13|MBX_12|MBX_11|MBX_10;
  	}
  	/* 1 and 2 should normally be captured. */
  	mcp->in_mb = MBX_2|MBX_1|MBX_0;
  	if (IS_QLA83XX(ha))
  		/* mb3 is additional info about the installed SFP. */
  		mcp->in_mb  |= MBX_3;
  	mcp->buf_size = size;
  	mcp->flags = MBX_DMA_OUT;
  	mcp->tov = MBX_TOV_SECONDS;
  	rval = qla2x00_mailbox_command(vha, mcp);
  
  	if (rval != QLA_SUCCESS) {
  		/*EMPTY*/
  		ql_dbg(ql_dbg_mbx, vha, 0x104d,
  		    "Failed=%x mb[0]=%x, mb[1]=%x, mb[2]=%x, mb[3]=%x,.\n",
  		    rval, mcp->mb[0], mcp->mb[1], mcp->mb[2], mcp->mb[3]);
  	} else {
  		/*EMPTY*/
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x104e,
  		    "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  
  /*
   * qla2x00_get_node_name_list
   *      Issue get node name list mailbox command, kmalloc()
   *      and return the resulting list. Caller must kfree() it!
   *
   * Input:
   *      ha = adapter state pointer.
   *      out_data = resulting list
   *      out_len = length of the resulting list
   *
   * Returns:
   *      qla2x00 local function return status code.
   *
   * Context:
   *      Kernel context.
   */
  int
  qla2x00_get_node_name_list(scsi_qla_host_t *vha, void **out_data, int *out_len)
  {
  	struct qla_hw_data *ha = vha->hw;
  	struct qla_port_24xx_data *list = NULL;
  	void *pmap;
  	mbx_cmd_t mc;
  	dma_addr_t pmap_dma;
  	ulong dma_size;
  	int rval, left;
  
  	left = 1;
  	while (left > 0) {
  		dma_size = left * sizeof(*list);
  		pmap = dma_alloc_coherent(&ha->pdev->dev, dma_size,
  					 &pmap_dma, GFP_KERNEL);
  		if (!pmap) {
  			ql_log(ql_log_warn, vha, 0x113f,
  			    "%s(%ld): DMA Alloc failed of %ld\n",
  			    __func__, vha->host_no, dma_size);
  			rval = QLA_MEMORY_ALLOC_FAILED;
  			goto out;
  		}
  
  		mc.mb[0] = MBC_PORT_NODE_NAME_LIST;
  		mc.mb[1] = BIT_1 | BIT_3;
  		mc.mb[2] = MSW(pmap_dma);
  		mc.mb[3] = LSW(pmap_dma);
  		mc.mb[6] = MSW(MSD(pmap_dma));
  		mc.mb[7] = LSW(MSD(pmap_dma));
  		mc.mb[8] = dma_size;
  		mc.out_mb = MBX_0|MBX_1|MBX_2|MBX_3|MBX_6|MBX_7|MBX_8;
  		mc.in_mb = MBX_0|MBX_1;
  		mc.tov = 30;
  		mc.flags = MBX_DMA_IN;
  
  		rval = qla2x00_mailbox_command(vha, &mc);
  		if (rval != QLA_SUCCESS) {
  			if ((mc.mb[0] == MBS_COMMAND_ERROR) &&
  			    (mc.mb[1] == 0xA)) {
  				left += le16_to_cpu(mc.mb[2]) /
  				    sizeof(struct qla_port_24xx_data);
  				goto restart;
  			}
  			goto out_free;
  		}
  
  		left = 0;
  
  		list = kzalloc(dma_size, GFP_KERNEL);
  		if (!list) {
  			ql_log(ql_log_warn, vha, 0x1140,
  			    "%s(%ld): failed to allocate node names list "
  			    "structure.\n", __func__, vha->host_no);
  			rval = QLA_MEMORY_ALLOC_FAILED;
  			goto out_free;
  		}
  
  		memcpy(list, pmap, dma_size);
  restart:
  		dma_free_coherent(&ha->pdev->dev, dma_size, pmap, pmap_dma);
  	}
  
  	*out_data = list;
  	*out_len = dma_size;
  
  out:
  	return rval;
  
  out_free:
  	dma_free_coherent(&ha->pdev->dev, dma_size, pmap, pmap_dma);
  	return rval;
  }
  
  /*
   * qla2x00_get_port_database
   *	Issue normal/enhanced get port database mailbox command
   *	and copy device name as necessary.
   *
   * Input:
   *	ha = adapter state pointer.
   *	dev = structure pointer.
   *	opt = enhanced cmd option byte.
   *
   * Returns:
   *	qla2x00 local function return status code.
   *
   * Context:
   *	Kernel context.
   */
  int
  qla2x00_get_port_database(scsi_qla_host_t *vha, fc_port_t *fcport, uint8_t opt)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  	port_database_t *pd;
  	struct port_database_24xx *pd24;
  	dma_addr_t pd_dma;
  	struct qla_hw_data *ha = vha->hw;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x104f,
  	    "Entered %s.\n", __func__);
  
  	pd24 = NULL;
  	pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &pd_dma);
  	if (pd  == NULL) {
  		ql_log(ql_log_warn, vha, 0x1050,
  		    "Failed to allocate port database structure.\n");
  		return QLA_MEMORY_ALLOC_FAILED;
  	}
  	memset(pd, 0, max(PORT_DATABASE_SIZE, PORT_DATABASE_24XX_SIZE));
  
  	mcp->mb[0] = MBC_GET_PORT_DATABASE;
  	if (opt != 0 && !IS_FWI2_CAPABLE(ha))
  		mcp->mb[0] = MBC_ENHANCED_GET_PORT_DATABASE;
  	mcp->mb[2] = MSW(pd_dma);
  	mcp->mb[3] = LSW(pd_dma);
  	mcp->mb[6] = MSW(MSD(pd_dma));
  	mcp->mb[7] = LSW(MSD(pd_dma));
  	mcp->mb[9] = vha->vp_idx;
  	mcp->out_mb = MBX_9|MBX_7|MBX_6|MBX_3|MBX_2|MBX_0;
  	mcp->in_mb = MBX_0;
  	if (IS_FWI2_CAPABLE(ha)) {
  		mcp->mb[1] = fcport->loop_id;
  		mcp->mb[10] = opt;
  		mcp->out_mb |= MBX_10|MBX_1;
  		mcp->in_mb |= MBX_1;
  	} else if (HAS_EXTENDED_IDS(ha)) {
  		mcp->mb[1] = fcport->loop_id;
  		mcp->mb[10] = opt;
  		mcp->out_mb |= MBX_10|MBX_1;
  	} else {
  		mcp->mb[1] = fcport->loop_id << 8 | opt;
  		mcp->out_mb |= MBX_1;
  	}
  	mcp->buf_size = IS_FWI2_CAPABLE(ha) ?
  	    PORT_DATABASE_24XX_SIZE : PORT_DATABASE_SIZE;
  	mcp->flags = MBX_DMA_IN;
  	mcp->tov = (ha->login_timeout * 2) + (ha->login_timeout / 2);
  	rval = qla2x00_mailbox_command(vha, mcp);
  	if (rval != QLA_SUCCESS)
  		goto gpd_error_out;
  
  	if (IS_FWI2_CAPABLE(ha)) {
  		uint64_t zero = 0;
  		pd24 = (struct port_database_24xx *) pd;
  
  		/* Check for logged in state. */
  		if (pd24->current_login_state != PDS_PRLI_COMPLETE &&
  		    pd24->last_login_state != PDS_PRLI_COMPLETE) {
  			ql_dbg(ql_dbg_mbx, vha, 0x1051,
  			    "Unable to verify login-state (%x/%x) for "
  			    "loop_id %x.\n", pd24->current_login_state,
  			    pd24->last_login_state, fcport->loop_id);
  			rval = QLA_FUNCTION_FAILED;
  			goto gpd_error_out;
  		}
  
  		if (fcport->loop_id == FC_NO_LOOP_ID ||
  		    (memcmp(fcport->port_name, (uint8_t *)&zero, 8) &&
  		     memcmp(fcport->port_name, pd24->port_name, 8))) {
  			/* We lost the device mid way. */
  			rval = QLA_NOT_LOGGED_IN;
  			goto gpd_error_out;
  		}
  
  		/* Names are little-endian. */
  		memcpy(fcport->node_name, pd24->node_name, WWN_SIZE);
  		memcpy(fcport->port_name, pd24->port_name, WWN_SIZE);
  
  		/* Get port_id of device. */
  		fcport->d_id.b.domain = pd24->port_id[0];
  		fcport->d_id.b.area = pd24->port_id[1];
  		fcport->d_id.b.al_pa = pd24->port_id[2];
  		fcport->d_id.b.rsvd_1 = 0;
  
  		/* If not target must be initiator or unknown type. */
  		if ((pd24->prli_svc_param_word_3[0] & BIT_4) == 0)
  			fcport->port_type = FCT_INITIATOR;
  		else
  			fcport->port_type = FCT_TARGET;
  
  		/* Passback COS information. */
  		fcport->supported_classes = (pd24->flags & PDF_CLASS_2) ?
  				FC_COS_CLASS2 : FC_COS_CLASS3;
  
  		if (pd24->prli_svc_param_word_3[0] & BIT_7)
  			fcport->flags |= FCF_CONF_COMP_SUPPORTED;
  	} else {
  		uint64_t zero = 0;
  
  		/* Check for logged in state. */
  		if (pd->master_state != PD_STATE_PORT_LOGGED_IN &&
  		    pd->slave_state != PD_STATE_PORT_LOGGED_IN) {
  			ql_dbg(ql_dbg_mbx, vha, 0x100a,
  			    "Unable to verify login-state (%x/%x) - "
  			    "portid=%02x%02x%02x.\n", pd->master_state,
  			    pd->slave_state, fcport->d_id.b.domain,
  			    fcport->d_id.b.area, fcport->d_id.b.al_pa);
  			rval = QLA_FUNCTION_FAILED;
  			goto gpd_error_out;
  		}
  
  		if (fcport->loop_id == FC_NO_LOOP_ID ||
  		    (memcmp(fcport->port_name, (uint8_t *)&zero, 8) &&
  		     memcmp(fcport->port_name, pd->port_name, 8))) {
  			/* We lost the device mid way. */
  			rval = QLA_NOT_LOGGED_IN;
  			goto gpd_error_out;
  		}
  
  		/* Names are little-endian. */
  		memcpy(fcport->node_name, pd->node_name, WWN_SIZE);
  		memcpy(fcport->port_name, pd->port_name, WWN_SIZE);
  
  		/* Get port_id of device. */
  		fcport->d_id.b.domain = pd->port_id[0];
  		fcport->d_id.b.area = pd->port_id[3];
  		fcport->d_id.b.al_pa = pd->port_id[2];
  		fcport->d_id.b.rsvd_1 = 0;
  
  		/* If not target must be initiator or unknown type. */
  		if ((pd->prli_svc_param_word_3[0] & BIT_4) == 0)
  			fcport->port_type = FCT_INITIATOR;
  		else
  			fcport->port_type = FCT_TARGET;
  
  		/* Passback COS information. */
  		fcport->supported_classes = (pd->options & BIT_4) ?
  		    FC_COS_CLASS2: FC_COS_CLASS3;
  	}
  
  gpd_error_out:
  	dma_pool_free(ha->s_dma_pool, pd, pd_dma);
  
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x1052,
  		    "Failed=%x mb[0]=%x mb[1]=%x.\n", rval,
  		    mcp->mb[0], mcp->mb[1]);
  	} else {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1053,
  		    "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  
  /*
   * qla2x00_get_firmware_state
   *	Get adapter firmware state.
   *
   * Input:
   *	ha = adapter block pointer.
   *	dptr = pointer for firmware state.
   *	TARGET_QUEUE_LOCK must be released.
   *	ADAPTER_STATE_LOCK must be released.
   *
   * Returns:
   *	qla2x00 local function return status code.
   *
   * Context:
   *	Kernel context.
   */
  int
  qla2x00_get_firmware_state(scsi_qla_host_t *vha, uint16_t *states)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1054,
  	    "Entered %s.\n", __func__);
  
  	mcp->mb[0] = MBC_GET_FIRMWARE_STATE;
  	mcp->out_mb = MBX_0;
  	if (IS_FWI2_CAPABLE(vha->hw))
  		mcp->in_mb = MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
  	else
  		mcp->in_mb = MBX_1|MBX_0;
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  
  	/* Return firmware states. */
  	states[0] = mcp->mb[1];
  	if (IS_FWI2_CAPABLE(vha->hw)) {
  		states[1] = mcp->mb[2];
  		states[2] = mcp->mb[3];
  		states[3] = mcp->mb[4];
  		states[4] = mcp->mb[5];
  	}
  
  	if (rval != QLA_SUCCESS) {
  		/*EMPTY*/
  		ql_dbg(ql_dbg_mbx, vha, 0x1055, "Failed=%x.\n", rval);
  	} else {
  		/*EMPTY*/
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1056,
  		    "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  
  /*
   * qla2x00_get_port_name
   *	Issue get port name mailbox command.
   *	Returned name is in big endian format.
   *
   * Input:
   *	ha = adapter block pointer.
   *	loop_id = loop ID of device.
   *	name = pointer for name.
   *	TARGET_QUEUE_LOCK must be released.
   *	ADAPTER_STATE_LOCK must be released.
   *
   * Returns:
   *	qla2x00 local function return status code.
   *
   * Context:
   *	Kernel context.
   */
  int
  qla2x00_get_port_name(scsi_qla_host_t *vha, uint16_t loop_id, uint8_t *name,
      uint8_t opt)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1057,
  	    "Entered %s.\n", __func__);
  
  	mcp->mb[0] = MBC_GET_PORT_NAME;
  	mcp->mb[9] = vha->vp_idx;
  	mcp->out_mb = MBX_9|MBX_1|MBX_0;
  	if (HAS_EXTENDED_IDS(vha->hw)) {
  		mcp->mb[1] = loop_id;
  		mcp->mb[10] = opt;
  		mcp->out_mb |= MBX_10;
  	} else {
  		mcp->mb[1] = loop_id << 8 | opt;
  	}
  
  	mcp->in_mb = MBX_7|MBX_6|MBX_3|MBX_2|MBX_1|MBX_0;
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  
  	if (rval != QLA_SUCCESS) {
  		/*EMPTY*/
  		ql_dbg(ql_dbg_mbx, vha, 0x1058, "Failed=%x.\n", rval);
  	} else {
  		if (name != NULL) {
  			/* This function returns name in big endian. */
  			name[0] = MSB(mcp->mb[2]);
  			name[1] = LSB(mcp->mb[2]);
  			name[2] = MSB(mcp->mb[3]);
  			name[3] = LSB(mcp->mb[3]);
  			name[4] = MSB(mcp->mb[6]);
  			name[5] = LSB(mcp->mb[6]);
  			name[6] = MSB(mcp->mb[7]);
  			name[7] = LSB(mcp->mb[7]);
  		}
  
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1059,
  		    "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  
  /*
   * qla24xx_link_initialization
   *	Issue link initialization mailbox command.
   *
   * Input:
   *	ha = adapter block pointer.
   *	TARGET_QUEUE_LOCK must be released.
   *	ADAPTER_STATE_LOCK must be released.
   *
   * Returns:
   *	qla2x00 local function return status code.
   *
   * Context:
   *	Kernel context.
   */
  int
  qla24xx_link_initialize(scsi_qla_host_t *vha)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1152,
  	    "Entered %s.\n", __func__);
  
  	if (!IS_FWI2_CAPABLE(vha->hw) || IS_CNA_CAPABLE(vha->hw))
  		return QLA_FUNCTION_FAILED;
  
  	mcp->mb[0] = MBC_LINK_INITIALIZATION;
  	mcp->mb[1] = BIT_6|BIT_4;
  	mcp->mb[2] = 0;
  	mcp->mb[3] = 0;
  	mcp->out_mb = MBX_3|MBX_2|MBX_1|MBX_0;
  	mcp->in_mb = MBX_0;
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x1153, "Failed=%x.\n", rval);
  	} else {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1154,
  		    "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  
  /*
   * qla2x00_lip_reset
   *	Issue LIP reset mailbox command.
   *
   * Input:
   *	ha = adapter block pointer.
   *	TARGET_QUEUE_LOCK must be released.
   *	ADAPTER_STATE_LOCK must be released.
   *
   * Returns:
   *	qla2x00 local function return status code.
   *
   * Context:
   *	Kernel context.
   */
  int
  qla2x00_lip_reset(scsi_qla_host_t *vha)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x105a,
  	    "Entered %s.\n", __func__);
  
  	if (IS_CNA_CAPABLE(vha->hw)) {
  		/* Logout across all FCFs. */
  		mcp->mb[0] = MBC_LIP_FULL_LOGIN;
  		mcp->mb[1] = BIT_1;
  		mcp->mb[2] = 0;
  		mcp->out_mb = MBX_2|MBX_1|MBX_0;
  	} else if (IS_FWI2_CAPABLE(vha->hw)) {
  		mcp->mb[0] = MBC_LIP_FULL_LOGIN;
  		mcp->mb[1] = BIT_6;
  		mcp->mb[2] = 0;
  		mcp->mb[3] = vha->hw->loop_reset_delay;
  		mcp->out_mb = MBX_3|MBX_2|MBX_1|MBX_0;
  	} else {
  		mcp->mb[0] = MBC_LIP_RESET;
  		mcp->out_mb = MBX_3|MBX_2|MBX_1|MBX_0;
  		if (HAS_EXTENDED_IDS(vha->hw)) {
  			mcp->mb[1] = 0x00ff;
  			mcp->mb[10] = 0;
  			mcp->out_mb |= MBX_10;
  		} else {
  			mcp->mb[1] = 0xff00;
  		}
  		mcp->mb[2] = vha->hw->loop_reset_delay;
  		mcp->mb[3] = 0;
  	}
  	mcp->in_mb = MBX_0;
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  
  	if (rval != QLA_SUCCESS) {
  		/*EMPTY*/
  		ql_dbg(ql_dbg_mbx, vha, 0x105b, "Failed=%x.\n", rval);
  	} else {
  		/*EMPTY*/
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x105c,
  		    "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  
  /*
   * qla2x00_send_sns
   *	Send SNS command.
   *
   * Input:
   *	ha = adapter block pointer.
   *	sns = pointer for command.
   *	cmd_size = command size.
   *	buf_size = response/command size.
   *	TARGET_QUEUE_LOCK must be released.
   *	ADAPTER_STATE_LOCK must be released.
   *
   * Returns:
   *	qla2x00 local function return status code.
   *
   * Context:
   *	Kernel context.
   */
  int
  qla2x00_send_sns(scsi_qla_host_t *vha, dma_addr_t sns_phys_address,
      uint16_t cmd_size, size_t buf_size)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x105d,
  	    "Entered %s.\n", __func__);
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x105e,
  	    "Retry cnt=%d ratov=%d total tov=%d.\n",
  	    vha->hw->retry_count, vha->hw->login_timeout, mcp->tov);
  
  	mcp->mb[0] = MBC_SEND_SNS_COMMAND;
  	mcp->mb[1] = cmd_size;
  	mcp->mb[2] = MSW(sns_phys_address);
  	mcp->mb[3] = LSW(sns_phys_address);
  	mcp->mb[6] = MSW(MSD(sns_phys_address));
  	mcp->mb[7] = LSW(MSD(sns_phys_address));
  	mcp->out_mb = MBX_7|MBX_6|MBX_3|MBX_2|MBX_1|MBX_0;
  	mcp->in_mb = MBX_0|MBX_1;
  	mcp->buf_size = buf_size;
  	mcp->flags = MBX_DMA_OUT|MBX_DMA_IN;
  	mcp->tov = (vha->hw->login_timeout * 2) + (vha->hw->login_timeout / 2);
  	rval = qla2x00_mailbox_command(vha, mcp);
  
  	if (rval != QLA_SUCCESS) {
  		/*EMPTY*/
  		ql_dbg(ql_dbg_mbx, vha, 0x105f,
  		    "Failed=%x mb[0]=%x mb[1]=%x.\n",
  		    rval, mcp->mb[0], mcp->mb[1]);
  	} else {
  		/*EMPTY*/
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1060,
  		    "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  
  int
  qla24xx_login_fabric(scsi_qla_host_t *vha, uint16_t loop_id, uint8_t domain,
      uint8_t area, uint8_t al_pa, uint16_t *mb, uint8_t opt)
  {
  	int		rval;
  
  	struct logio_entry_24xx *lg;
  	dma_addr_t	lg_dma;
  	uint32_t	iop[2];
  	struct qla_hw_data *ha = vha->hw;
  	struct req_que *req;
  	struct rsp_que *rsp;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1061,
  	    "Entered %s.\n", __func__);
  
  	if (ha->flags.cpu_affinity_enabled)
  		req = ha->req_q_map[0];
  	else
  		req = vha->req;
  	rsp = req->rsp;
  
  	lg = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &lg_dma);
  	if (lg == NULL) {
  		ql_log(ql_log_warn, vha, 0x1062,
  		    "Failed to allocate login IOCB.\n");
  		return QLA_MEMORY_ALLOC_FAILED;
  	}
  	memset(lg, 0, sizeof(struct logio_entry_24xx));
  
  	lg->entry_type = LOGINOUT_PORT_IOCB_TYPE;
  	lg->entry_count = 1;
  	lg->handle = MAKE_HANDLE(req->id, lg->handle);
  	lg->nport_handle = cpu_to_le16(loop_id);
  	lg->control_flags = __constant_cpu_to_le16(LCF_COMMAND_PLOGI);
  	if (opt & BIT_0)
  		lg->control_flags |= __constant_cpu_to_le16(LCF_COND_PLOGI);
  	if (opt & BIT_1)
  		lg->control_flags |= __constant_cpu_to_le16(LCF_SKIP_PRLI);
  	lg->port_id[0] = al_pa;
  	lg->port_id[1] = area;
  	lg->port_id[2] = domain;
  	lg->vp_index = vha->vp_idx;
  	rval = qla2x00_issue_iocb_timeout(vha, lg, lg_dma, 0,
  	    (ha->r_a_tov / 10 * 2) + 2);
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x1063,
  		    "Failed to issue login IOCB (%x).\n", rval);
  	} else if (lg->entry_status != 0) {
  		ql_dbg(ql_dbg_mbx, vha, 0x1064,
  		    "Failed to complete IOCB -- error status (%x).\n",
  		    lg->entry_status);
  		rval = QLA_FUNCTION_FAILED;
  	} else if (lg->comp_status != __constant_cpu_to_le16(CS_COMPLETE)) {
  		iop[0] = le32_to_cpu(lg->io_parameter[0]);
  		iop[1] = le32_to_cpu(lg->io_parameter[1]);
  
  		ql_dbg(ql_dbg_mbx, vha, 0x1065,
  		    "Failed to complete IOCB -- completion  status (%x) "
  		    "ioparam=%x/%x.\n", le16_to_cpu(lg->comp_status),
  		    iop[0], iop[1]);
  
  		switch (iop[0]) {
  		case LSC_SCODE_PORTID_USED:
  			mb[0] = MBS_PORT_ID_USED;
  			mb[1] = LSW(iop[1]);
  			break;
  		case LSC_SCODE_NPORT_USED:
  			mb[0] = MBS_LOOP_ID_USED;
  			break;
  		case LSC_SCODE_NOLINK:
  		case LSC_SCODE_NOIOCB:
  		case LSC_SCODE_NOXCB:
  		case LSC_SCODE_CMD_FAILED:
  		case LSC_SCODE_NOFABRIC:
  		case LSC_SCODE_FW_NOT_READY:
  		case LSC_SCODE_NOT_LOGGED_IN:
  		case LSC_SCODE_NOPCB:
  		case LSC_SCODE_ELS_REJECT:
  		case LSC_SCODE_CMD_PARAM_ERR:
  		case LSC_SCODE_NONPORT:
  		case LSC_SCODE_LOGGED_IN:
  		case LSC_SCODE_NOFLOGI_ACC:
  		default:
  			mb[0] = MBS_COMMAND_ERROR;
  			break;
  		}
  	} else {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1066,
  		    "Done %s.\n", __func__);
  
  		iop[0] = le32_to_cpu(lg->io_parameter[0]);
  
  		mb[0] = MBS_COMMAND_COMPLETE;
  		mb[1] = 0;
  		if (iop[0] & BIT_4) {
  			if (iop[0] & BIT_8)
  				mb[1] |= BIT_1;
  		} else
  			mb[1] = BIT_0;
  
  		/* Passback COS information. */
  		mb[10] = 0;
  		if (lg->io_parameter[7] || lg->io_parameter[8])
  			mb[10] |= BIT_0;	/* Class 2. */
  		if (lg->io_parameter[9] || lg->io_parameter[10])
  			mb[10] |= BIT_1;	/* Class 3. */
  		if (lg->io_parameter[0] & __constant_cpu_to_le32(BIT_7))
  			mb[10] |= BIT_7;	/* Confirmed Completion
  						 * Allowed
  						 */
  	}
  
  	dma_pool_free(ha->s_dma_pool, lg, lg_dma);
  
  	return rval;
  }
  
  /*
   * qla2x00_login_fabric
   *	Issue login fabric port mailbox command.
   *
   * Input:
   *	ha = adapter block pointer.
   *	loop_id = device loop ID.
   *	domain = device domain.
   *	area = device area.
   *	al_pa = device AL_PA.
   *	status = pointer for return status.
   *	opt = command options.
   *	TARGET_QUEUE_LOCK must be released.
   *	ADAPTER_STATE_LOCK must be released.
   *
   * Returns:
   *	qla2x00 local function return status code.
   *
   * Context:
   *	Kernel context.
   */
  int
  qla2x00_login_fabric(scsi_qla_host_t *vha, uint16_t loop_id, uint8_t domain,
      uint8_t area, uint8_t al_pa, uint16_t *mb, uint8_t opt)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  	struct qla_hw_data *ha = vha->hw;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1067,
  	    "Entered %s.\n", __func__);
  
  	mcp->mb[0] = MBC_LOGIN_FABRIC_PORT;
  	mcp->out_mb = MBX_3|MBX_2|MBX_1|MBX_0;
  	if (HAS_EXTENDED_IDS(ha)) {
  		mcp->mb[1] = loop_id;
  		mcp->mb[10] = opt;
  		mcp->out_mb |= MBX_10;
  	} else {
  		mcp->mb[1] = (loop_id << 8) | opt;
  	}
  	mcp->mb[2] = domain;
  	mcp->mb[3] = area << 8 | al_pa;
  
  	mcp->in_mb = MBX_7|MBX_6|MBX_2|MBX_1|MBX_0;
  	mcp->tov = (ha->login_timeout * 2) + (ha->login_timeout / 2);
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  
  	/* Return mailbox statuses. */
  	if (mb != NULL) {
  		mb[0] = mcp->mb[0];
  		mb[1] = mcp->mb[1];
  		mb[2] = mcp->mb[2];
  		mb[6] = mcp->mb[6];
  		mb[7] = mcp->mb[7];
  		/* COS retrieved from Get-Port-Database mailbox command. */
  		mb[10] = 0;
  	}
  
  	if (rval != QLA_SUCCESS) {
  		/* RLU tmp code: need to change main mailbox_command function to
  		 * return ok even when the mailbox completion value is not
  		 * SUCCESS. The caller needs to be responsible to interpret
  		 * the return values of this mailbox command if we're not
  		 * to change too much of the existing code.
  		 */
  		if (mcp->mb[0] == 0x4001 || mcp->mb[0] == 0x4002 ||
  		    mcp->mb[0] == 0x4003 || mcp->mb[0] == 0x4005 ||
  		    mcp->mb[0] == 0x4006)
  			rval = QLA_SUCCESS;
  
  		/*EMPTY*/
  		ql_dbg(ql_dbg_mbx, vha, 0x1068,
  		    "Failed=%x mb[0]=%x mb[1]=%x mb[2]=%x.\n",
  		    rval, mcp->mb[0], mcp->mb[1], mcp->mb[2]);
  	} else {
  		/*EMPTY*/
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1069,
  		    "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  
  /*
   * qla2x00_login_local_device
   *           Issue login loop port mailbox command.
   *
   * Input:
   *           ha = adapter block pointer.
   *           loop_id = device loop ID.
   *           opt = command options.
   *
   * Returns:
   *            Return status code.
   *
   * Context:
   *            Kernel context.
   *
   */
  int
  qla2x00_login_local_device(scsi_qla_host_t *vha, fc_port_t *fcport,
      uint16_t *mb_ret, uint8_t opt)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  	struct qla_hw_data *ha = vha->hw;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x106a,
  	    "Entered %s.\n", __func__);
  
  	if (IS_FWI2_CAPABLE(ha))
  		return qla24xx_login_fabric(vha, fcport->loop_id,
  		    fcport->d_id.b.domain, fcport->d_id.b.area,
  		    fcport->d_id.b.al_pa, mb_ret, opt);
  
  	mcp->mb[0] = MBC_LOGIN_LOOP_PORT;
  	if (HAS_EXTENDED_IDS(ha))
  		mcp->mb[1] = fcport->loop_id;
  	else
  		mcp->mb[1] = fcport->loop_id << 8;
  	mcp->mb[2] = opt;
  	mcp->out_mb = MBX_2|MBX_1|MBX_0;
   	mcp->in_mb = MBX_7|MBX_6|MBX_1|MBX_0;
  	mcp->tov = (ha->login_timeout * 2) + (ha->login_timeout / 2);
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  
   	/* Return mailbox statuses. */
   	if (mb_ret != NULL) {
   		mb_ret[0] = mcp->mb[0];
   		mb_ret[1] = mcp->mb[1];
   		mb_ret[6] = mcp->mb[6];
   		mb_ret[7] = mcp->mb[7];
   	}
  
  	if (rval != QLA_SUCCESS) {
   		/* AV tmp code: need to change main mailbox_command function to
   		 * return ok even when the mailbox completion value is not
   		 * SUCCESS. The caller needs to be responsible to interpret
   		 * the return values of this mailbox command if we're not
   		 * to change too much of the existing code.
   		 */
   		if (mcp->mb[0] == 0x4005 || mcp->mb[0] == 0x4006)
   			rval = QLA_SUCCESS;
  
  		ql_dbg(ql_dbg_mbx, vha, 0x106b,
  		    "Failed=%x mb[0]=%x mb[1]=%x mb[6]=%x mb[7]=%x.\n",
  		    rval, mcp->mb[0], mcp->mb[1], mcp->mb[6], mcp->mb[7]);
  	} else {
  		/*EMPTY*/
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x106c,
  		    "Done %s.\n", __func__);
  	}
  
  	return (rval);
  }
  
  int
  qla24xx_fabric_logout(scsi_qla_host_t *vha, uint16_t loop_id, uint8_t domain,
      uint8_t area, uint8_t al_pa)
  {
  	int		rval;
  	struct logio_entry_24xx *lg;
  	dma_addr_t	lg_dma;
  	struct qla_hw_data *ha = vha->hw;
  	struct req_que *req;
  	struct rsp_que *rsp;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x106d,
  	    "Entered %s.\n", __func__);
  
  	lg = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &lg_dma);
  	if (lg == NULL) {
  		ql_log(ql_log_warn, vha, 0x106e,
  		    "Failed to allocate logout IOCB.\n");
  		return QLA_MEMORY_ALLOC_FAILED;
  	}
  	memset(lg, 0, sizeof(struct logio_entry_24xx));
  
  	if (ql2xmaxqueues > 1)
  		req = ha->req_q_map[0];
  	else
  		req = vha->req;
  	rsp = req->rsp;
  	lg->entry_type = LOGINOUT_PORT_IOCB_TYPE;
  	lg->entry_count = 1;
  	lg->handle = MAKE_HANDLE(req->id, lg->handle);
  	lg->nport_handle = cpu_to_le16(loop_id);
  	lg->control_flags =
  	    __constant_cpu_to_le16(LCF_COMMAND_LOGO|LCF_IMPL_LOGO|
  		LCF_FREE_NPORT);
  	lg->port_id[0] = al_pa;
  	lg->port_id[1] = area;
  	lg->port_id[2] = domain;
  	lg->vp_index = vha->vp_idx;
  	rval = qla2x00_issue_iocb_timeout(vha, lg, lg_dma, 0,
  	    (ha->r_a_tov / 10 * 2) + 2);
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x106f,
  		    "Failed to issue logout IOCB (%x).\n", rval);
  	} else if (lg->entry_status != 0) {
  		ql_dbg(ql_dbg_mbx, vha, 0x1070,
  		    "Failed to complete IOCB -- error status (%x).\n",
  		    lg->entry_status);
  		rval = QLA_FUNCTION_FAILED;
  	} else if (lg->comp_status != __constant_cpu_to_le16(CS_COMPLETE)) {
  		ql_dbg(ql_dbg_mbx, vha, 0x1071,
  		    "Failed to complete IOCB -- completion status (%x) "
  		    "ioparam=%x/%x.\n", le16_to_cpu(lg->comp_status),
  		    le32_to_cpu(lg->io_parameter[0]),
  		    le32_to_cpu(lg->io_parameter[1]));
  	} else {
  		/*EMPTY*/
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1072,
  		    "Done %s.\n", __func__);
  	}
  
  	dma_pool_free(ha->s_dma_pool, lg, lg_dma);
  
  	return rval;
  }
  
  /*
   * qla2x00_fabric_logout
   *	Issue logout fabric port mailbox command.
   *
   * Input:
   *	ha = adapter block pointer.
   *	loop_id = device loop ID.
   *	TARGET_QUEUE_LOCK must be released.
   *	ADAPTER_STATE_LOCK must be released.
   *
   * Returns:
   *	qla2x00 local function return status code.
   *
   * Context:
   *	Kernel context.
   */
  int
  qla2x00_fabric_logout(scsi_qla_host_t *vha, uint16_t loop_id, uint8_t domain,
      uint8_t area, uint8_t al_pa)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1073,
  	    "Entered %s.\n", __func__);
  
  	mcp->mb[0] = MBC_LOGOUT_FABRIC_PORT;
  	mcp->out_mb = MBX_1|MBX_0;
  	if (HAS_EXTENDED_IDS(vha->hw)) {
  		mcp->mb[1] = loop_id;
  		mcp->mb[10] = 0;
  		mcp->out_mb |= MBX_10;
  	} else {
  		mcp->mb[1] = loop_id << 8;
  	}
  
  	mcp->in_mb = MBX_1|MBX_0;
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  
  	if (rval != QLA_SUCCESS) {
  		/*EMPTY*/
  		ql_dbg(ql_dbg_mbx, vha, 0x1074,
  		    "Failed=%x mb[1]=%x.\n", rval, mcp->mb[1]);
  	} else {
  		/*EMPTY*/
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1075,
  		    "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  
  /*
   * qla2x00_full_login_lip
   *	Issue full login LIP mailbox command.
   *
   * Input:
   *	ha = adapter block pointer.
   *	TARGET_QUEUE_LOCK must be released.
   *	ADAPTER_STATE_LOCK must be released.
   *
   * Returns:
   *	qla2x00 local function return status code.
   *
   * Context:
   *	Kernel context.
   */
  int
  qla2x00_full_login_lip(scsi_qla_host_t *vha)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1076,
  	    "Entered %s.\n", __func__);
  
  	mcp->mb[0] = MBC_LIP_FULL_LOGIN;
  	mcp->mb[1] = IS_FWI2_CAPABLE(vha->hw) ? BIT_3 : 0;
  	mcp->mb[2] = 0;
  	mcp->mb[3] = 0;
  	mcp->out_mb = MBX_3|MBX_2|MBX_1|MBX_0;
  	mcp->in_mb = MBX_0;
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  
  	if (rval != QLA_SUCCESS) {
  		/*EMPTY*/
  		ql_dbg(ql_dbg_mbx, vha, 0x1077, "Failed=%x.\n", rval);
  	} else {
  		/*EMPTY*/
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1078,
  		    "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  
  /*
   * qla2x00_get_id_list
   *
   * Input:
   *	ha = adapter block pointer.
   *
   * Returns:
   *	qla2x00 local function return status code.
   *
   * Context:
   *	Kernel context.
   */
  int
  qla2x00_get_id_list(scsi_qla_host_t *vha, void *id_list, dma_addr_t id_list_dma,
      uint16_t *entries)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1079,
  	    "Entered %s.\n", __func__);
  
  	if (id_list == NULL)
  		return QLA_FUNCTION_FAILED;
  
  	mcp->mb[0] = MBC_GET_ID_LIST;
  	mcp->out_mb = MBX_0;
  	if (IS_FWI2_CAPABLE(vha->hw)) {
  		mcp->mb[2] = MSW(id_list_dma);
  		mcp->mb[3] = LSW(id_list_dma);
  		mcp->mb[6] = MSW(MSD(id_list_dma));
  		mcp->mb[7] = LSW(MSD(id_list_dma));
  		mcp->mb[8] = 0;
  		mcp->mb[9] = vha->vp_idx;
  		mcp->out_mb |= MBX_9|MBX_8|MBX_7|MBX_6|MBX_3|MBX_2;
  	} else {
  		mcp->mb[1] = MSW(id_list_dma);
  		mcp->mb[2] = LSW(id_list_dma);
  		mcp->mb[3] = MSW(MSD(id_list_dma));
  		mcp->mb[6] = LSW(MSD(id_list_dma));
  		mcp->out_mb |= MBX_6|MBX_3|MBX_2|MBX_1;
  	}
  	mcp->in_mb = MBX_1|MBX_0;
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  
  	if (rval != QLA_SUCCESS) {
  		/*EMPTY*/
  		ql_dbg(ql_dbg_mbx, vha, 0x107a, "Failed=%x.\n", rval);
  	} else {
  		*entries = mcp->mb[1];
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x107b,
  		    "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  
  /*
   * qla2x00_get_resource_cnts
   *	Get current firmware resource counts.
   *
   * Input:
   *	ha = adapter block pointer.
   *
   * Returns:
   *	qla2x00 local function return status code.
   *
   * Context:
   *	Kernel context.
   */
  int
  qla2x00_get_resource_cnts(scsi_qla_host_t *vha, uint16_t *cur_xchg_cnt,
      uint16_t *orig_xchg_cnt, uint16_t *cur_iocb_cnt,
      uint16_t *orig_iocb_cnt, uint16_t *max_npiv_vports, uint16_t *max_fcfs)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x107c,
  	    "Entered %s.\n", __func__);
  
  	mcp->mb[0] = MBC_GET_RESOURCE_COUNTS;
  	mcp->out_mb = MBX_0;
  	mcp->in_mb = MBX_11|MBX_10|MBX_7|MBX_6|MBX_3|MBX_2|MBX_1|MBX_0;
  	if (IS_QLA81XX(vha->hw) || IS_QLA83XX(vha->hw))
  		mcp->in_mb |= MBX_12;
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  
  	if (rval != QLA_SUCCESS) {
  		/*EMPTY*/
  		ql_dbg(ql_dbg_mbx, vha, 0x107d,
  		    "Failed mb[0]=%x.\n", mcp->mb[0]);
  	} else {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x107e,
  		    "Done %s mb1=%x mb2=%x mb3=%x mb6=%x mb7=%x mb10=%x "
  		    "mb11=%x mb12=%x.\n", __func__, mcp->mb[1], mcp->mb[2],
  		    mcp->mb[3], mcp->mb[6], mcp->mb[7], mcp->mb[10],
  		    mcp->mb[11], mcp->mb[12]);
  
  		if (cur_xchg_cnt)
  			*cur_xchg_cnt = mcp->mb[3];
  		if (orig_xchg_cnt)
  			*orig_xchg_cnt = mcp->mb[6];
  		if (cur_iocb_cnt)
  			*cur_iocb_cnt = mcp->mb[7];
  		if (orig_iocb_cnt)
  			*orig_iocb_cnt = mcp->mb[10];
  		if (vha->hw->flags.npiv_supported && max_npiv_vports)
  			*max_npiv_vports = mcp->mb[11];
  		if ((IS_QLA81XX(vha->hw) || IS_QLA83XX(vha->hw)) && max_fcfs)
  			*max_fcfs = mcp->mb[12];
  	}
  
  	return (rval);
  }
  
  /*
   * qla2x00_get_fcal_position_map
   *	Get FCAL (LILP) position map using mailbox command
   *
   * Input:
   *	ha = adapter state pointer.
   *	pos_map = buffer pointer (can be NULL).
   *
   * Returns:
   *	qla2x00 local function return status code.
   *
   * Context:
   *	Kernel context.
   */
  int
  qla2x00_get_fcal_position_map(scsi_qla_host_t *vha, char *pos_map)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  	char *pmap;
  	dma_addr_t pmap_dma;
  	struct qla_hw_data *ha = vha->hw;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x107f,
  	    "Entered %s.\n", __func__);
  
  	pmap = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &pmap_dma);
  	if (pmap  == NULL) {
  		ql_log(ql_log_warn, vha, 0x1080,
  		    "Memory alloc failed.\n");
  		return QLA_MEMORY_ALLOC_FAILED;
  	}
  	memset(pmap, 0, FCAL_MAP_SIZE);
  
  	mcp->mb[0] = MBC_GET_FC_AL_POSITION_MAP;
  	mcp->mb[2] = MSW(pmap_dma);
  	mcp->mb[3] = LSW(pmap_dma);
  	mcp->mb[6] = MSW(MSD(pmap_dma));
  	mcp->mb[7] = LSW(MSD(pmap_dma));
  	mcp->out_mb = MBX_7|MBX_6|MBX_3|MBX_2|MBX_0;
  	mcp->in_mb = MBX_1|MBX_0;
  	mcp->buf_size = FCAL_MAP_SIZE;
  	mcp->flags = MBX_DMA_IN;
  	mcp->tov = (ha->login_timeout * 2) + (ha->login_timeout / 2);
  	rval = qla2x00_mailbox_command(vha, mcp);
  
  	if (rval == QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1081,
  		    "mb0/mb1=%x/%X FC/AL position map size (%x).\n",
  		    mcp->mb[0], mcp->mb[1], (unsigned)pmap[0]);
  		ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, vha, 0x111d,
  		    pmap, pmap[0] + 1);
  
  		if (pos_map)
  			memcpy(pos_map, pmap, FCAL_MAP_SIZE);
  	}
  	dma_pool_free(ha->s_dma_pool, pmap, pmap_dma);
  
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x1082, "Failed=%x.\n", rval);
  	} else {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1083,
  		    "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  
  /*
   * qla2x00_get_link_status
   *
   * Input:
   *	ha = adapter block pointer.
   *	loop_id = device loop ID.
   *	ret_buf = pointer to link status return buffer.
   *
   * Returns:
   *	0 = success.
   *	BIT_0 = mem alloc error.
   *	BIT_1 = mailbox error.
   */
  int
  qla2x00_get_link_status(scsi_qla_host_t *vha, uint16_t loop_id,
      struct link_statistics *stats, dma_addr_t stats_dma)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  	uint32_t *siter, *diter, dwords;
  	struct qla_hw_data *ha = vha->hw;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1084,
  	    "Entered %s.\n", __func__);
  
  	mcp->mb[0] = MBC_GET_LINK_STATUS;
  	mcp->mb[2] = MSW(stats_dma);
  	mcp->mb[3] = LSW(stats_dma);
  	mcp->mb[6] = MSW(MSD(stats_dma));
  	mcp->mb[7] = LSW(MSD(stats_dma));
  	mcp->out_mb = MBX_7|MBX_6|MBX_3|MBX_2|MBX_0;
  	mcp->in_mb = MBX_0;
  	if (IS_FWI2_CAPABLE(ha)) {
  		mcp->mb[1] = loop_id;
  		mcp->mb[4] = 0;
  		mcp->mb[10] = 0;
  		mcp->out_mb |= MBX_10|MBX_4|MBX_1;
  		mcp->in_mb |= MBX_1;
  	} else if (HAS_EXTENDED_IDS(ha)) {
  		mcp->mb[1] = loop_id;
  		mcp->mb[10] = 0;
  		mcp->out_mb |= MBX_10|MBX_1;
  	} else {
  		mcp->mb[1] = loop_id << 8;
  		mcp->out_mb |= MBX_1;
  	}
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = IOCTL_CMD;
  	rval = qla2x00_mailbox_command(vha, mcp);
  
  	if (rval == QLA_SUCCESS) {
  		if (mcp->mb[0] != MBS_COMMAND_COMPLETE) {
  			ql_dbg(ql_dbg_mbx, vha, 0x1085,
  			    "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
  			rval = QLA_FUNCTION_FAILED;
  		} else {
  			/* Copy over data -- firmware data is LE. */
  			ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1086,
  			    "Done %s.\n", __func__);
  			dwords = offsetof(struct link_statistics, unused1) / 4;
  			siter = diter = &stats->link_fail_cnt;
  			while (dwords--)
  				*diter++ = le32_to_cpu(*siter++);
  		}
  	} else {
  		/* Failed. */
  		ql_dbg(ql_dbg_mbx, vha, 0x1087, "Failed=%x.\n", rval);
  	}
  
  	return rval;
  }
  
  int
  qla24xx_get_isp_stats(scsi_qla_host_t *vha, struct link_statistics *stats,
      dma_addr_t stats_dma)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  	uint32_t *siter, *diter, dwords;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1088,
  	    "Entered %s.\n", __func__);
  
  	mcp->mb[0] = MBC_GET_LINK_PRIV_STATS;
  	mcp->mb[2] = MSW(stats_dma);
  	mcp->mb[3] = LSW(stats_dma);
  	mcp->mb[6] = MSW(MSD(stats_dma));
  	mcp->mb[7] = LSW(MSD(stats_dma));
  	mcp->mb[8] = sizeof(struct link_statistics) / 4;
  	mcp->mb[9] = vha->vp_idx;
  	mcp->mb[10] = 0;
  	mcp->out_mb = MBX_10|MBX_9|MBX_8|MBX_7|MBX_6|MBX_3|MBX_2|MBX_0;
  	mcp->in_mb = MBX_2|MBX_1|MBX_0;
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = IOCTL_CMD;
  	rval = qla2x00_mailbox_command(vha, mcp);
  
  	if (rval == QLA_SUCCESS) {
  		if (mcp->mb[0] != MBS_COMMAND_COMPLETE) {
  			ql_dbg(ql_dbg_mbx, vha, 0x1089,
  			    "Failed mb[0]=%x.\n", mcp->mb[0]);
  			rval = QLA_FUNCTION_FAILED;
  		} else {
  			ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x108a,
  			    "Done %s.\n", __func__);
  			/* Copy over data -- firmware data is LE. */
  			dwords = sizeof(struct link_statistics) / 4;
  			siter = diter = &stats->link_fail_cnt;
  			while (dwords--)
  				*diter++ = le32_to_cpu(*siter++);
  		}
  	} else {
  		/* Failed. */
  		ql_dbg(ql_dbg_mbx, vha, 0x108b, "Failed=%x.\n", rval);
  	}
  
  	return rval;
  }
  
  int
  qla24xx_abort_command(srb_t *sp)
  {
  	int		rval;
  	unsigned long   flags = 0;
  
  	struct abort_entry_24xx *abt;
  	dma_addr_t	abt_dma;
  	uint32_t	handle;
  	fc_port_t	*fcport = sp->fcport;
  	struct scsi_qla_host *vha = fcport->vha;
  	struct qla_hw_data *ha = vha->hw;
  	struct req_que *req = vha->req;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x108c,
  	    "Entered %s.\n", __func__);
  
  	spin_lock_irqsave(&ha->hardware_lock, flags);
  	for (handle = 1; handle < req->num_outstanding_cmds; handle++) {
  		if (req->outstanding_cmds[handle] == sp)
  			break;
  	}
  	spin_unlock_irqrestore(&ha->hardware_lock, flags);
  	if (handle == req->num_outstanding_cmds) {
  		/* Command not found. */
  		return QLA_FUNCTION_FAILED;
  	}
  
  	abt = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &abt_dma);
  	if (abt == NULL) {
  		ql_log(ql_log_warn, vha, 0x108d,
  		    "Failed to allocate abort IOCB.\n");
  		return QLA_MEMORY_ALLOC_FAILED;
  	}
  	memset(abt, 0, sizeof(struct abort_entry_24xx));
  
  	abt->entry_type = ABORT_IOCB_TYPE;
  	abt->entry_count = 1;
  	abt->handle = MAKE_HANDLE(req->id, abt->handle);
  	abt->nport_handle = cpu_to_le16(fcport->loop_id);
  	abt->handle_to_abort = MAKE_HANDLE(req->id, handle);
  	abt->port_id[0] = fcport->d_id.b.al_pa;
  	abt->port_id[1] = fcport->d_id.b.area;
  	abt->port_id[2] = fcport->d_id.b.domain;
  	abt->vp_index = fcport->vha->vp_idx;
  
  	abt->req_que_no = cpu_to_le16(req->id);
  
  	rval = qla2x00_issue_iocb(vha, abt, abt_dma, 0);
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x108e,
  		    "Failed to issue IOCB (%x).\n", rval);
  	} else if (abt->entry_status != 0) {
  		ql_dbg(ql_dbg_mbx, vha, 0x108f,
  		    "Failed to complete IOCB -- error status (%x).\n",
  		    abt->entry_status);
  		rval = QLA_FUNCTION_FAILED;
  	} else if (abt->nport_handle != __constant_cpu_to_le16(0)) {
  		ql_dbg(ql_dbg_mbx, vha, 0x1090,
  		    "Failed to complete IOCB -- completion status (%x).\n",
  		    le16_to_cpu(abt->nport_handle));
  		rval = QLA_FUNCTION_FAILED;
  	} else {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1091,
  		    "Done %s.\n", __func__);
  	}
  
  	dma_pool_free(ha->s_dma_pool, abt, abt_dma);
  
  	return rval;
  }
  
  struct tsk_mgmt_cmd {
  	union {
  		struct tsk_mgmt_entry tsk;
  		struct sts_entry_24xx sts;
  	} p;
  };
  
  static int
  __qla24xx_issue_tmf(char *name, uint32_t type, struct fc_port *fcport,
      unsigned int l, int tag)
  {
  	int		rval, rval2;
  	struct tsk_mgmt_cmd *tsk;
  	struct sts_entry_24xx *sts;
  	dma_addr_t	tsk_dma;
  	scsi_qla_host_t *vha;
  	struct qla_hw_data *ha;
  	struct req_que *req;
  	struct rsp_que *rsp;
  
  	vha = fcport->vha;
  	ha = vha->hw;
  	req = vha->req;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1092,
  	    "Entered %s.\n", __func__);
  
  	if (ha->flags.cpu_affinity_enabled)
  		rsp = ha->rsp_q_map[tag + 1];
  	else
  		rsp = req->rsp;
  	tsk = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &tsk_dma);
  	if (tsk == NULL) {
  		ql_log(ql_log_warn, vha, 0x1093,
  		    "Failed to allocate task management IOCB.\n");
  		return QLA_MEMORY_ALLOC_FAILED;
  	}
  	memset(tsk, 0, sizeof(struct tsk_mgmt_cmd));
  
  	tsk->p.tsk.entry_type = TSK_MGMT_IOCB_TYPE;
  	tsk->p.tsk.entry_count = 1;
  	tsk->p.tsk.handle = MAKE_HANDLE(req->id, tsk->p.tsk.handle);
  	tsk->p.tsk.nport_handle = cpu_to_le16(fcport->loop_id);
  	tsk->p.tsk.timeout = cpu_to_le16(ha->r_a_tov / 10 * 2);
  	tsk->p.tsk.control_flags = cpu_to_le32(type);
  	tsk->p.tsk.port_id[0] = fcport->d_id.b.al_pa;
  	tsk->p.tsk.port_id[1] = fcport->d_id.b.area;
  	tsk->p.tsk.port_id[2] = fcport->d_id.b.domain;
  	tsk->p.tsk.vp_index = fcport->vha->vp_idx;
  	if (type == TCF_LUN_RESET) {
  		int_to_scsilun(l, &tsk->p.tsk.lun);
  		host_to_fcp_swap((uint8_t *)&tsk->p.tsk.lun,
  		    sizeof(tsk->p.tsk.lun));
  	}
  
  	sts = &tsk->p.sts;
  	rval = qla2x00_issue_iocb(vha, tsk, tsk_dma, 0);
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x1094,
  		    "Failed to issue %s reset IOCB (%x).\n", name, rval);
  	} else if (sts->entry_status != 0) {
  		ql_dbg(ql_dbg_mbx, vha, 0x1095,
  		    "Failed to complete IOCB -- error status (%x).\n",
  		    sts->entry_status);
  		rval = QLA_FUNCTION_FAILED;
  	} else if (sts->comp_status !=
  	    __constant_cpu_to_le16(CS_COMPLETE)) {
  		ql_dbg(ql_dbg_mbx, vha, 0x1096,
  		    "Failed to complete IOCB -- completion status (%x).\n",
  		    le16_to_cpu(sts->comp_status));
  		rval = QLA_FUNCTION_FAILED;
  	} else if (le16_to_cpu(sts->scsi_status) &
  	    SS_RESPONSE_INFO_LEN_VALID) {
  		if (le32_to_cpu(sts->rsp_data_len) < 4) {
  			ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1097,
  			    "Ignoring inconsistent data length -- not enough "
  			    "response info (%d).\n",
  			    le32_to_cpu(sts->rsp_data_len));
  		} else if (sts->data[3]) {
  			ql_dbg(ql_dbg_mbx, vha, 0x1098,
  			    "Failed to complete IOCB -- response (%x).\n",
  			    sts->data[3]);
  			rval = QLA_FUNCTION_FAILED;
  		}
  	}
  
  	/* Issue marker IOCB. */
  	rval2 = qla2x00_marker(vha, req, rsp, fcport->loop_id, l,
  	    type == TCF_LUN_RESET ? MK_SYNC_ID_LUN: MK_SYNC_ID);
  	if (rval2 != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x1099,
  		    "Failed to issue marker IOCB (%x).\n", rval2);
  	} else {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x109a,
  		    "Done %s.\n", __func__);
  	}
  
  	dma_pool_free(ha->s_dma_pool, tsk, tsk_dma);
  
  	return rval;
  }
  
  int
  qla24xx_abort_target(struct fc_port *fcport, unsigned int l, int tag)
  {
  	struct qla_hw_data *ha = fcport->vha->hw;
  
  	if ((ql2xasynctmfenable) && IS_FWI2_CAPABLE(ha))
  		return qla2x00_async_tm_cmd(fcport, TCF_TARGET_RESET, l, tag);
  
  	return __qla24xx_issue_tmf("Target", TCF_TARGET_RESET, fcport, l, tag);
  }
  
  int
  qla24xx_lun_reset(struct fc_port *fcport, unsigned int l, int tag)
  {
  	struct qla_hw_data *ha = fcport->vha->hw;
  
  	if ((ql2xasynctmfenable) && IS_FWI2_CAPABLE(ha))
  		return qla2x00_async_tm_cmd(fcport, TCF_LUN_RESET, l, tag);
  
  	return __qla24xx_issue_tmf("Lun", TCF_LUN_RESET, fcport, l, tag);
  }
  
  int
  qla2x00_system_error(scsi_qla_host_t *vha)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  	struct qla_hw_data *ha = vha->hw;
  
  	if (!IS_QLA23XX(ha) && !IS_FWI2_CAPABLE(ha))
  		return QLA_FUNCTION_FAILED;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x109b,
  	    "Entered %s.\n", __func__);
  
  	mcp->mb[0] = MBC_GEN_SYSTEM_ERROR;
  	mcp->out_mb = MBX_0;
  	mcp->in_mb = MBX_0;
  	mcp->tov = 5;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x109c, "Failed=%x.\n", rval);
  	} else {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x109d,
  		    "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  
  /**
   * qla2x00_set_serdes_params() -
   * @ha: HA context
   *
   * Returns
   */
  int
  qla2x00_set_serdes_params(scsi_qla_host_t *vha, uint16_t sw_em_1g,
      uint16_t sw_em_2g, uint16_t sw_em_4g)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x109e,
  	    "Entered %s.\n", __func__);
  
  	mcp->mb[0] = MBC_SERDES_PARAMS;
  	mcp->mb[1] = BIT_0;
  	mcp->mb[2] = sw_em_1g | BIT_15;
  	mcp->mb[3] = sw_em_2g | BIT_15;
  	mcp->mb[4] = sw_em_4g | BIT_15;
  	mcp->out_mb = MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
  	mcp->in_mb = MBX_0;
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  
  	if (rval != QLA_SUCCESS) {
  		/*EMPTY*/
  		ql_dbg(ql_dbg_mbx, vha, 0x109f,
  		    "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
  	} else {
  		/*EMPTY*/
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10a0,
  		    "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  
  int
  qla2x00_stop_firmware(scsi_qla_host_t *vha)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  
  	if (!IS_FWI2_CAPABLE(vha->hw))
  		return QLA_FUNCTION_FAILED;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10a1,
  	    "Entered %s.\n", __func__);
  
  	mcp->mb[0] = MBC_STOP_FIRMWARE;
  	mcp->mb[1] = 0;
  	mcp->out_mb = MBX_1|MBX_0;
  	mcp->in_mb = MBX_0;
  	mcp->tov = 5;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x10a2, "Failed=%x.\n", rval);
  		if (mcp->mb[0] == MBS_INVALID_COMMAND)
  			rval = QLA_INVALID_COMMAND;
  	} else {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10a3,
  		    "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  
  int
  qla2x00_enable_eft_trace(scsi_qla_host_t *vha, dma_addr_t eft_dma,
      uint16_t buffers)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10a4,
  	    "Entered %s.\n", __func__);
  
  	if (!IS_FWI2_CAPABLE(vha->hw))
  		return QLA_FUNCTION_FAILED;
  
  	if (unlikely(pci_channel_offline(vha->hw->pdev)))
  		return QLA_FUNCTION_FAILED;
  
  	mcp->mb[0] = MBC_TRACE_CONTROL;
  	mcp->mb[1] = TC_EFT_ENABLE;
  	mcp->mb[2] = LSW(eft_dma);
  	mcp->mb[3] = MSW(eft_dma);
  	mcp->mb[4] = LSW(MSD(eft_dma));
  	mcp->mb[5] = MSW(MSD(eft_dma));
  	mcp->mb[6] = buffers;
  	mcp->mb[7] = TC_AEN_DISABLE;
  	mcp->out_mb = MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
  	mcp->in_mb = MBX_1|MBX_0;
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x10a5,
  		    "Failed=%x mb[0]=%x mb[1]=%x.\n",
  		    rval, mcp->mb[0], mcp->mb[1]);
  	} else {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10a6,
  		    "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  
  int
  qla2x00_disable_eft_trace(scsi_qla_host_t *vha)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10a7,
  	    "Entered %s.\n", __func__);
  
  	if (!IS_FWI2_CAPABLE(vha->hw))
  		return QLA_FUNCTION_FAILED;
  
  	if (unlikely(pci_channel_offline(vha->hw->pdev)))
  		return QLA_FUNCTION_FAILED;
  
  	mcp->mb[0] = MBC_TRACE_CONTROL;
  	mcp->mb[1] = TC_EFT_DISABLE;
  	mcp->out_mb = MBX_1|MBX_0;
  	mcp->in_mb = MBX_1|MBX_0;
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x10a8,
  		    "Failed=%x mb[0]=%x mb[1]=%x.\n",
  		    rval, mcp->mb[0], mcp->mb[1]);
  	} else {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10a9,
  		    "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  
  int
  qla2x00_enable_fce_trace(scsi_qla_host_t *vha, dma_addr_t fce_dma,
      uint16_t buffers, uint16_t *mb, uint32_t *dwords)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10aa,
  	    "Entered %s.\n", __func__);
  
  	if (!IS_QLA25XX(vha->hw) && !IS_QLA81XX(vha->hw) &&
  	    !IS_QLA83XX(vha->hw))
  		return QLA_FUNCTION_FAILED;
  
  	if (unlikely(pci_channel_offline(vha->hw->pdev)))
  		return QLA_FUNCTION_FAILED;
  
  	mcp->mb[0] = MBC_TRACE_CONTROL;
  	mcp->mb[1] = TC_FCE_ENABLE;
  	mcp->mb[2] = LSW(fce_dma);
  	mcp->mb[3] = MSW(fce_dma);
  	mcp->mb[4] = LSW(MSD(fce_dma));
  	mcp->mb[5] = MSW(MSD(fce_dma));
  	mcp->mb[6] = buffers;
  	mcp->mb[7] = TC_AEN_DISABLE;
  	mcp->mb[8] = 0;
  	mcp->mb[9] = TC_FCE_DEFAULT_RX_SIZE;
  	mcp->mb[10] = TC_FCE_DEFAULT_TX_SIZE;
  	mcp->out_mb = MBX_10|MBX_9|MBX_8|MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|
  	    MBX_1|MBX_0;
  	mcp->in_mb = MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x10ab,
  		    "Failed=%x mb[0]=%x mb[1]=%x.\n",
  		    rval, mcp->mb[0], mcp->mb[1]);
  	} else {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10ac,
  		    "Done %s.\n", __func__);
  
  		if (mb)
  			memcpy(mb, mcp->mb, 8 * sizeof(*mb));
  		if (dwords)
  			*dwords = buffers;
  	}
  
  	return rval;
  }
  
  int
  qla2x00_disable_fce_trace(scsi_qla_host_t *vha, uint64_t *wr, uint64_t *rd)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10ad,
  	    "Entered %s.\n", __func__);
  
  	if (!IS_FWI2_CAPABLE(vha->hw))
  		return QLA_FUNCTION_FAILED;
  
  	if (unlikely(pci_channel_offline(vha->hw->pdev)))
  		return QLA_FUNCTION_FAILED;
  
  	mcp->mb[0] = MBC_TRACE_CONTROL;
  	mcp->mb[1] = TC_FCE_DISABLE;
  	mcp->mb[2] = TC_FCE_DISABLE_TRACE;
  	mcp->out_mb = MBX_2|MBX_1|MBX_0;
  	mcp->in_mb = MBX_9|MBX_8|MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|
  	    MBX_1|MBX_0;
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x10ae,
  		    "Failed=%x mb[0]=%x mb[1]=%x.\n",
  		    rval, mcp->mb[0], mcp->mb[1]);
  	} else {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10af,
  		    "Done %s.\n", __func__);
  
  		if (wr)
  			*wr = (uint64_t) mcp->mb[5] << 48 |
  			    (uint64_t) mcp->mb[4] << 32 |
  			    (uint64_t) mcp->mb[3] << 16 |
  			    (uint64_t) mcp->mb[2];
  		if (rd)
  			*rd = (uint64_t) mcp->mb[9] << 48 |
  			    (uint64_t) mcp->mb[8] << 32 |
  			    (uint64_t) mcp->mb[7] << 16 |
  			    (uint64_t) mcp->mb[6];
  	}
  
  	return rval;
  }
  
  int
  qla2x00_get_idma_speed(scsi_qla_host_t *vha, uint16_t loop_id,
  	uint16_t *port_speed, uint16_t *mb)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10b0,
  	    "Entered %s.\n", __func__);
  
  	if (!IS_IIDMA_CAPABLE(vha->hw))
  		return QLA_FUNCTION_FAILED;
  
  	mcp->mb[0] = MBC_PORT_PARAMS;
  	mcp->mb[1] = loop_id;
  	mcp->mb[2] = mcp->mb[3] = 0;
  	mcp->mb[9] = vha->vp_idx;
  	mcp->out_mb = MBX_9|MBX_3|MBX_2|MBX_1|MBX_0;
  	mcp->in_mb = MBX_3|MBX_1|MBX_0;
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  
  	/* Return mailbox statuses. */
  	if (mb != NULL) {
  		mb[0] = mcp->mb[0];
  		mb[1] = mcp->mb[1];
  		mb[3] = mcp->mb[3];
  	}
  
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x10b1, "Failed=%x.\n", rval);
  	} else {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10b2,
  		    "Done %s.\n", __func__);
  		if (port_speed)
  			*port_speed = mcp->mb[3];
  	}
  
  	return rval;
  }
  
  int
  qla2x00_set_idma_speed(scsi_qla_host_t *vha, uint16_t loop_id,
      uint16_t port_speed, uint16_t *mb)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10b3,
  	    "Entered %s.\n", __func__);
  
  	if (!IS_IIDMA_CAPABLE(vha->hw))
  		return QLA_FUNCTION_FAILED;
  
  	mcp->mb[0] = MBC_PORT_PARAMS;
  	mcp->mb[1] = loop_id;
  	mcp->mb[2] = BIT_0;
  	if (IS_CNA_CAPABLE(vha->hw))
  		mcp->mb[3] = port_speed & (BIT_5|BIT_4|BIT_3|BIT_2|BIT_1|BIT_0);
  	else
  		mcp->mb[3] = port_speed & (BIT_2|BIT_1|BIT_0);
  	mcp->mb[9] = vha->vp_idx;
  	mcp->out_mb = MBX_9|MBX_3|MBX_2|MBX_1|MBX_0;
  	mcp->in_mb = MBX_3|MBX_1|MBX_0;
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  
  	/* Return mailbox statuses. */
  	if (mb != NULL) {
  		mb[0] = mcp->mb[0];
  		mb[1] = mcp->mb[1];
  		mb[3] = mcp->mb[3];
  	}
  
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x10b4,
  		    "Failed=%x.\n", rval);
  	} else {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10b5,
  		    "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  
  void
  qla24xx_report_id_acquisition(scsi_qla_host_t *vha,
  	struct vp_rpt_id_entry_24xx *rptid_entry)
  {
  	uint8_t vp_idx;
  	uint16_t stat = le16_to_cpu(rptid_entry->vp_idx);
  	struct qla_hw_data *ha = vha->hw;
  	scsi_qla_host_t *vp;
  	unsigned long   flags;
  	int found;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10b6,
  	    "Entered %s.\n", __func__);
  
  	if (rptid_entry->entry_status != 0)
  		return;
  
  	if (rptid_entry->format == 0) {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10b7,
  		    "Format 0 : Number of VPs setup %d, number of "
  		    "VPs acquired %d.\n",
  		    MSB(le16_to_cpu(rptid_entry->vp_count)),
  		    LSB(le16_to_cpu(rptid_entry->vp_count)));
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10b8,
  		    "Primary port id %02x%02x%02x.\n",
  		    rptid_entry->port_id[2], rptid_entry->port_id[1],
  		    rptid_entry->port_id[0]);
  	} else if (rptid_entry->format == 1) {
  		vp_idx = LSB(stat);
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10b9,
  		    "Format 1: VP[%d] enabled - status %d - with "
  		    "port id %02x%02x%02x.\n", vp_idx, MSB(stat),
  		    rptid_entry->port_id[2], rptid_entry->port_id[1],
  		    rptid_entry->port_id[0]);
  
  		vp = vha;
  		if (vp_idx == 0 && (MSB(stat) != 1))
  			goto reg_needed;
  
  		if (MSB(stat) != 0 && MSB(stat) != 2) {
  			ql_dbg(ql_dbg_mbx, vha, 0x10ba,
  			    "Could not acquire ID for VP[%d].\n", vp_idx);
  			return;
  		}
  
  		found = 0;
  		spin_lock_irqsave(&ha->vport_slock, flags);
  		list_for_each_entry(vp, &ha->vp_list, list) {
  			if (vp_idx == vp->vp_idx) {
  				found = 1;
  				break;
  			}
  		}
  		spin_unlock_irqrestore(&ha->vport_slock, flags);
  
  		if (!found)
  			return;
  
  		vp->d_id.b.domain = rptid_entry->port_id[2];
  		vp->d_id.b.area =  rptid_entry->port_id[1];
  		vp->d_id.b.al_pa = rptid_entry->port_id[0];
  
  		/*
  		 * Cannot configure here as we are still sitting on the
  		 * response queue. Handle it in dpc context.
  		 */
  		set_bit(VP_IDX_ACQUIRED, &vp->vp_flags);
  
  reg_needed:
  		set_bit(REGISTER_FC4_NEEDED, &vp->dpc_flags);
  		set_bit(REGISTER_FDMI_NEEDED, &vp->dpc_flags);
  		set_bit(VP_DPC_NEEDED, &vha->dpc_flags);
  		qla2xxx_wake_dpc(vha);
  	}
  }
  
  /*
   * qla24xx_modify_vp_config
   *	Change VP configuration for vha
   *
   * Input:
   *	vha = adapter block pointer.
   *
   * Returns:
   *	qla2xxx local function return status code.
   *
   * Context:
   *	Kernel context.
   */
  int
  qla24xx_modify_vp_config(scsi_qla_host_t *vha)
  {
  	int		rval;
  	struct vp_config_entry_24xx *vpmod;
  	dma_addr_t	vpmod_dma;
  	struct qla_hw_data *ha = vha->hw;
  	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
  
  	/* This can be called by the parent */
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10bb,
  	    "Entered %s.\n", __func__);
  
  	vpmod = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &vpmod_dma);
  	if (!vpmod) {
  		ql_log(ql_log_warn, vha, 0x10bc,
  		    "Failed to allocate modify VP IOCB.\n");
  		return QLA_MEMORY_ALLOC_FAILED;
  	}
  
  	memset(vpmod, 0, sizeof(struct vp_config_entry_24xx));
  	vpmod->entry_type = VP_CONFIG_IOCB_TYPE;
  	vpmod->entry_count = 1;
  	vpmod->command = VCT_COMMAND_MOD_ENABLE_VPS;
  	vpmod->vp_count = 1;
  	vpmod->vp_index1 = vha->vp_idx;
  	vpmod->options_idx1 = BIT_3|BIT_4|BIT_5;
  
  	qlt_modify_vp_config(vha, vpmod);
  
  	memcpy(vpmod->node_name_idx1, vha->node_name, WWN_SIZE);
  	memcpy(vpmod->port_name_idx1, vha->port_name, WWN_SIZE);
  	vpmod->entry_count = 1;
  
  	rval = qla2x00_issue_iocb(base_vha, vpmod, vpmod_dma, 0);
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x10bd,
  		    "Failed to issue VP config IOCB (%x).\n", rval);
  	} else if (vpmod->comp_status != 0) {
  		ql_dbg(ql_dbg_mbx, vha, 0x10be,
  		    "Failed to complete IOCB -- error status (%x).\n",
  		    vpmod->comp_status);
  		rval = QLA_FUNCTION_FAILED;
  	} else if (vpmod->comp_status != __constant_cpu_to_le16(CS_COMPLETE)) {
  		ql_dbg(ql_dbg_mbx, vha, 0x10bf,
  		    "Failed to complete IOCB -- completion status (%x).\n",
  		    le16_to_cpu(vpmod->comp_status));
  		rval = QLA_FUNCTION_FAILED;
  	} else {
  		/* EMPTY */
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10c0,
  		    "Done %s.\n", __func__);
  		fc_vport_set_state(vha->fc_vport, FC_VPORT_INITIALIZING);
  	}
  	dma_pool_free(ha->s_dma_pool, vpmod, vpmod_dma);
  
  	return rval;
  }
  
  /*
   * qla24xx_control_vp
   *	Enable a virtual port for given host
   *
   * Input:
   *	ha = adapter block pointer.
   *	vhba = virtual adapter (unused)
   *	index = index number for enabled VP
   *
   * Returns:
   *	qla2xxx local function return status code.
   *
   * Context:
   *	Kernel context.
   */
  int
  qla24xx_control_vp(scsi_qla_host_t *vha, int cmd)
  {
  	int		rval;
  	int		map, pos;
  	struct vp_ctrl_entry_24xx   *vce;
  	dma_addr_t	vce_dma;
  	struct qla_hw_data *ha = vha->hw;
  	int	vp_index = vha->vp_idx;
  	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10c1,
  	    "Entered %s enabling index %d.\n", __func__, vp_index);
  
  	if (vp_index == 0 || vp_index >= ha->max_npiv_vports)
  		return QLA_PARAMETER_ERROR;
  
  	vce = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &vce_dma);
  	if (!vce) {
  		ql_log(ql_log_warn, vha, 0x10c2,
  		    "Failed to allocate VP control IOCB.\n");
  		return QLA_MEMORY_ALLOC_FAILED;
  	}
  	memset(vce, 0, sizeof(struct vp_ctrl_entry_24xx));
  
  	vce->entry_type = VP_CTRL_IOCB_TYPE;
  	vce->entry_count = 1;
  	vce->command = cpu_to_le16(cmd);
  	vce->vp_count = __constant_cpu_to_le16(1);
  
  	/* index map in firmware starts with 1; decrement index
  	 * this is ok as we never use index 0
  	 */
  	map = (vp_index - 1) / 8;
  	pos = (vp_index - 1) & 7;
  	mutex_lock(&ha->vport_lock);
  	vce->vp_idx_map[map] |= 1 << pos;
  	mutex_unlock(&ha->vport_lock);
  
  	rval = qla2x00_issue_iocb(base_vha, vce, vce_dma, 0);
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x10c3,
  		    "Failed to issue VP control IOCB (%x).\n", rval);
  	} else if (vce->entry_status != 0) {
  		ql_dbg(ql_dbg_mbx, vha, 0x10c4,
  		    "Failed to complete IOCB -- error status (%x).\n",
  		    vce->entry_status);
  		rval = QLA_FUNCTION_FAILED;
  	} else if (vce->comp_status != __constant_cpu_to_le16(CS_COMPLETE)) {
  		ql_dbg(ql_dbg_mbx, vha, 0x10c5,
  		    "Failed to complet IOCB -- completion status (%x).\n",
  		    le16_to_cpu(vce->comp_status));
  		rval = QLA_FUNCTION_FAILED;
  	} else {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10c6,
  		    "Done %s.\n", __func__);
  	}
  
  	dma_pool_free(ha->s_dma_pool, vce, vce_dma);
  
  	return rval;
  }
  
  /*
   * qla2x00_send_change_request
   *	Receive or disable RSCN request from fabric controller
   *
   * Input:
   *	ha = adapter block pointer
   *	format = registration format:
   *		0 - Reserved
   *		1 - Fabric detected registration
   *		2 - N_port detected registration
   *		3 - Full registration
   *		FF - clear registration
   *	vp_idx = Virtual port index
   *
   * Returns:
   *	qla2x00 local function return status code.
   *
   * Context:
   *	Kernel Context
   */
  
  int
  qla2x00_send_change_request(scsi_qla_host_t *vha, uint16_t format,
  			    uint16_t vp_idx)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10c7,
  	    "Entered %s.\n", __func__);
  
  	mcp->mb[0] = MBC_SEND_CHANGE_REQUEST;
  	mcp->mb[1] = format;
  	mcp->mb[9] = vp_idx;
  	mcp->out_mb = MBX_9|MBX_1|MBX_0;
  	mcp->in_mb = MBX_0|MBX_1;
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  
  	if (rval == QLA_SUCCESS) {
  		if (mcp->mb[0] != MBS_COMMAND_COMPLETE) {
  			rval = BIT_1;
  		}
  	} else
  		rval = BIT_1;
  
  	return rval;
  }
  
  int
  qla2x00_dump_ram(scsi_qla_host_t *vha, dma_addr_t req_dma, uint32_t addr,
      uint32_t size)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1009,
  	    "Entered %s.\n", __func__);
  
  	if (MSW(addr) || IS_FWI2_CAPABLE(vha->hw)) {
  		mcp->mb[0] = MBC_DUMP_RISC_RAM_EXTENDED;
  		mcp->mb[8] = MSW(addr);
  		mcp->out_mb = MBX_8|MBX_0;
  	} else {
  		mcp->mb[0] = MBC_DUMP_RISC_RAM;
  		mcp->out_mb = MBX_0;
  	}
  	mcp->mb[1] = LSW(addr);
  	mcp->mb[2] = MSW(req_dma);
  	mcp->mb[3] = LSW(req_dma);
  	mcp->mb[6] = MSW(MSD(req_dma));
  	mcp->mb[7] = LSW(MSD(req_dma));
  	mcp->out_mb |= MBX_7|MBX_6|MBX_3|MBX_2|MBX_1;
  	if (IS_FWI2_CAPABLE(vha->hw)) {
  		mcp->mb[4] = MSW(size);
  		mcp->mb[5] = LSW(size);
  		mcp->out_mb |= MBX_5|MBX_4;
  	} else {
  		mcp->mb[4] = LSW(size);
  		mcp->out_mb |= MBX_4;
  	}
  
  	mcp->in_mb = MBX_0;
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x1008,
  		    "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
  	} else {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1007,
  		    "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  /* 84XX Support **************************************************************/
  
  struct cs84xx_mgmt_cmd {
  	union {
  		struct verify_chip_entry_84xx req;
  		struct verify_chip_rsp_84xx rsp;
  	} p;
  };
  
  int
  qla84xx_verify_chip(struct scsi_qla_host *vha, uint16_t *status)
  {
  	int rval, retry;
  	struct cs84xx_mgmt_cmd *mn;
  	dma_addr_t mn_dma;
  	uint16_t options;
  	unsigned long flags;
  	struct qla_hw_data *ha = vha->hw;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10c8,
  	    "Entered %s.\n", __func__);
  
  	mn = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &mn_dma);
  	if (mn == NULL) {
  		return QLA_MEMORY_ALLOC_FAILED;
  	}
  
  	/* Force Update? */
  	options = ha->cs84xx->fw_update ? VCO_FORCE_UPDATE : 0;
  	/* Diagnostic firmware? */
  	/* options |= MENLO_DIAG_FW; */
  	/* We update the firmware with only one data sequence. */
  	options |= VCO_END_OF_DATA;
  
  	do {
  		retry = 0;
  		memset(mn, 0, sizeof(*mn));
  		mn->p.req.entry_type = VERIFY_CHIP_IOCB_TYPE;
  		mn->p.req.entry_count = 1;
  		mn->p.req.options = cpu_to_le16(options);
  
  		ql_dbg(ql_dbg_mbx + ql_dbg_buffer, vha, 0x111c,
  		    "Dump of Verify Request.\n");
  		ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, vha, 0x111e,
  		    (uint8_t *)mn, sizeof(*mn));
  
  		rval = qla2x00_issue_iocb_timeout(vha, mn, mn_dma, 0, 120);
  		if (rval != QLA_SUCCESS) {
  			ql_dbg(ql_dbg_mbx, vha, 0x10cb,
  			    "Failed to issue verify IOCB (%x).\n", rval);
  			goto verify_done;
  		}
  
  		ql_dbg(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1110,
  		    "Dump of Verify Response.\n");
  		ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1118,
  		    (uint8_t *)mn, sizeof(*mn));
  
  		status[0] = le16_to_cpu(mn->p.rsp.comp_status);
  		status[1] = status[0] == CS_VCS_CHIP_FAILURE ?
  		    le16_to_cpu(mn->p.rsp.failure_code) : 0;
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10ce,
  		    "cs=%x fc=%x.\n", status[0], status[1]);
  
  		if (status[0] != CS_COMPLETE) {
  			rval = QLA_FUNCTION_FAILED;
  			if (!(options & VCO_DONT_UPDATE_FW)) {
  				ql_dbg(ql_dbg_mbx, vha, 0x10cf,
  				    "Firmware update failed. Retrying "
  				    "without update firmware.\n");
  				options |= VCO_DONT_UPDATE_FW;
  				options &= ~VCO_FORCE_UPDATE;
  				retry = 1;
  			}
  		} else {
  			ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10d0,
  			    "Firmware updated to %x.\n",
  			    le32_to_cpu(mn->p.rsp.fw_ver));
  
  			/* NOTE: we only update OP firmware. */
  			spin_lock_irqsave(&ha->cs84xx->access_lock, flags);
  			ha->cs84xx->op_fw_version =
  			    le32_to_cpu(mn->p.rsp.fw_ver);
  			spin_unlock_irqrestore(&ha->cs84xx->access_lock,
  			    flags);
  		}
  	} while (retry);
  
  verify_done:
  	dma_pool_free(ha->s_dma_pool, mn, mn_dma);
  
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x10d1,
  		    "Failed=%x.\n", rval);
  	} else {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10d2,
  		    "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  
  int
  qla25xx_init_req_que(struct scsi_qla_host *vha, struct req_que *req)
  {
  	int rval;
  	unsigned long flags;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  	struct device_reg_25xxmq __iomem *reg;
  	struct qla_hw_data *ha = vha->hw;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10d3,
  	    "Entered %s.\n", __func__);
  
  	mcp->mb[0] = MBC_INITIALIZE_MULTIQ;
  	mcp->mb[1] = req->options;
  	mcp->mb[2] = MSW(LSD(req->dma));
  	mcp->mb[3] = LSW(LSD(req->dma));
  	mcp->mb[6] = MSW(MSD(req->dma));
  	mcp->mb[7] = LSW(MSD(req->dma));
  	mcp->mb[5] = req->length;
  	if (req->rsp)
  		mcp->mb[10] = req->rsp->id;
  	mcp->mb[12] = req->qos;
  	mcp->mb[11] = req->vp_idx;
  	mcp->mb[13] = req->rid;
  	if (IS_QLA83XX(ha))
  		mcp->mb[15] = 0;
  
  	reg = (struct device_reg_25xxmq __iomem *)((ha->mqiobase) +
  		QLA_QUE_PAGE * req->id);
  
  	mcp->mb[4] = req->id;
  	/* que in ptr index */
  	mcp->mb[8] = 0;
  	/* que out ptr index */
  	mcp->mb[9] = 0;
  	mcp->out_mb = MBX_14|MBX_13|MBX_12|MBX_11|MBX_10|MBX_9|MBX_8|MBX_7|
  			MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
  	mcp->in_mb = MBX_0;
  	mcp->flags = MBX_DMA_OUT;
  	mcp->tov = MBX_TOV_SECONDS * 2;
  
  	if (IS_QLA81XX(ha) || IS_QLA83XX(ha))
  		mcp->in_mb |= MBX_1;
  	if (IS_QLA83XX(ha)) {
  		mcp->out_mb |= MBX_15;
  		/* debug q create issue in SR-IOV */
  		mcp->in_mb |= MBX_9 | MBX_8 | MBX_7;
  	}
  
  	spin_lock_irqsave(&ha->hardware_lock, flags);
  	if (!(req->options & BIT_0)) {
  		WRT_REG_DWORD(&reg->req_q_in, 0);
  		if (!IS_QLA83XX(ha))
  			WRT_REG_DWORD(&reg->req_q_out, 0);
  	}
  	req->req_q_in = &reg->req_q_in;
  	req->req_q_out = &reg->req_q_out;
  	spin_unlock_irqrestore(&ha->hardware_lock, flags);
  
  	rval = qla2x00_mailbox_command(vha, mcp);
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x10d4,
  		    "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
  	} else {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10d5,
  		    "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  
  int
  qla25xx_init_rsp_que(struct scsi_qla_host *vha, struct rsp_que *rsp)
  {
  	int rval;
  	unsigned long flags;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  	struct device_reg_25xxmq __iomem *reg;
  	struct qla_hw_data *ha = vha->hw;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10d6,
  	    "Entered %s.\n", __func__);
  
  	mcp->mb[0] = MBC_INITIALIZE_MULTIQ;
  	mcp->mb[1] = rsp->options;
  	mcp->mb[2] = MSW(LSD(rsp->dma));
  	mcp->mb[3] = LSW(LSD(rsp->dma));
  	mcp->mb[6] = MSW(MSD(rsp->dma));
  	mcp->mb[7] = LSW(MSD(rsp->dma));
  	mcp->mb[5] = rsp->length;
  	mcp->mb[14] = rsp->msix->entry;
  	mcp->mb[13] = rsp->rid;
  	if (IS_QLA83XX(ha))
  		mcp->mb[15] = 0;
  
  	reg = (struct device_reg_25xxmq __iomem *)((ha->mqiobase) +
  		QLA_QUE_PAGE * rsp->id);
  
  	mcp->mb[4] = rsp->id;
  	/* que in ptr index */
  	mcp->mb[8] = 0;
  	/* que out ptr index */
  	mcp->mb[9] = 0;
  	mcp->out_mb = MBX_14|MBX_13|MBX_9|MBX_8|MBX_7
  			|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
  	mcp->in_mb = MBX_0;
  	mcp->flags = MBX_DMA_OUT;
  	mcp->tov = MBX_TOV_SECONDS * 2;
  
  	if (IS_QLA81XX(ha)) {
  		mcp->out_mb |= MBX_12|MBX_11|MBX_10;
  		mcp->in_mb |= MBX_1;
  	} else if (IS_QLA83XX(ha)) {
  		mcp->out_mb |= MBX_15|MBX_12|MBX_11|MBX_10;
  		mcp->in_mb |= MBX_1;
  		/* debug q create issue in SR-IOV */
  		mcp->in_mb |= MBX_9 | MBX_8 | MBX_7;
  	}
  
  	spin_lock_irqsave(&ha->hardware_lock, flags);
  	if (!(rsp->options & BIT_0)) {
  		WRT_REG_DWORD(&reg->rsp_q_out, 0);
  		if (!IS_QLA83XX(ha))
  			WRT_REG_DWORD(&reg->rsp_q_in, 0);
  	}
  
  	spin_unlock_irqrestore(&ha->hardware_lock, flags);
  
  	rval = qla2x00_mailbox_command(vha, mcp);
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x10d7,
  		    "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
  	} else {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10d8,
  		    "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  
  int
  qla81xx_idc_ack(scsi_qla_host_t *vha, uint16_t *mb)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10d9,
  	    "Entered %s.\n", __func__);
  
  	mcp->mb[0] = MBC_IDC_ACK;
  	memcpy(&mcp->mb[1], mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
  	mcp->out_mb = MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
  	mcp->in_mb = MBX_0;
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x10da,
  		    "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
  	} else {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10db,
  		    "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  
  int
  qla81xx_fac_get_sector_size(scsi_qla_host_t *vha, uint32_t *sector_size)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10dc,
  	    "Entered %s.\n", __func__);
  
  	if (!IS_QLA81XX(vha->hw) && !IS_QLA83XX(vha->hw))
  		return QLA_FUNCTION_FAILED;
  
  	mcp->mb[0] = MBC_FLASH_ACCESS_CTRL;
  	mcp->mb[1] = FAC_OPT_CMD_GET_SECTOR_SIZE;
  	mcp->out_mb = MBX_1|MBX_0;
  	mcp->in_mb = MBX_1|MBX_0;
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x10dd,
  		    "Failed=%x mb[0]=%x mb[1]=%x.\n",
  		    rval, mcp->mb[0], mcp->mb[1]);
  	} else {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10de,
  		    "Done %s.\n", __func__);
  		*sector_size = mcp->mb[1];
  	}
  
  	return rval;
  }
  
  int
  qla81xx_fac_do_write_enable(scsi_qla_host_t *vha, int enable)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  
  	if (!IS_QLA81XX(vha->hw) && !IS_QLA83XX(vha->hw))
  		return QLA_FUNCTION_FAILED;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10df,
  	    "Entered %s.\n", __func__);
  
  	mcp->mb[0] = MBC_FLASH_ACCESS_CTRL;
  	mcp->mb[1] = enable ? FAC_OPT_CMD_WRITE_ENABLE :
  	    FAC_OPT_CMD_WRITE_PROTECT;
  	mcp->out_mb = MBX_1|MBX_0;
  	mcp->in_mb = MBX_1|MBX_0;
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x10e0,
  		    "Failed=%x mb[0]=%x mb[1]=%x.\n",
  		    rval, mcp->mb[0], mcp->mb[1]);
  	} else {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10e1,
  		    "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  
  int
  qla81xx_fac_erase_sector(scsi_qla_host_t *vha, uint32_t start, uint32_t finish)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  
  	if (!IS_QLA81XX(vha->hw) && !IS_QLA83XX(vha->hw))
  		return QLA_FUNCTION_FAILED;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10e2,
  	    "Entered %s.\n", __func__);
  
  	mcp->mb[0] = MBC_FLASH_ACCESS_CTRL;
  	mcp->mb[1] = FAC_OPT_CMD_ERASE_SECTOR;
  	mcp->mb[2] = LSW(start);
  	mcp->mb[3] = MSW(start);
  	mcp->mb[4] = LSW(finish);
  	mcp->mb[5] = MSW(finish);
  	mcp->out_mb = MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
  	mcp->in_mb = MBX_2|MBX_1|MBX_0;
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x10e3,
  		    "Failed=%x mb[0]=%x mb[1]=%x mb[2]=%x.\n",
  		    rval, mcp->mb[0], mcp->mb[1], mcp->mb[2]);
  	} else {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10e4,
  		    "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  
  int
  qla81xx_restart_mpi_firmware(scsi_qla_host_t *vha)
  {
  	int rval = 0;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10e5,
  	    "Entered %s.\n", __func__);
  
  	mcp->mb[0] = MBC_RESTART_MPI_FW;
  	mcp->out_mb = MBX_0;
  	mcp->in_mb = MBX_0|MBX_1;
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x10e6,
  		    "Failed=%x mb[0]=%x mb[1]=%x.\n",
  		    rval, mcp->mb[0], mcp->mb[1]);
  	} else {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10e7,
  		    "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  
  static int
  qla2x00_read_asic_temperature(scsi_qla_host_t *vha, uint16_t *temp)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  
  	if (!IS_FWI2_CAPABLE(vha->hw))
  		return QLA_FUNCTION_FAILED;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1159,
  	    "Entered %s.\n", __func__);
  
  	mcp->mb[0] = MBC_GET_RNID_PARAMS;
  	mcp->mb[1] = RNID_TYPE_ASIC_TEMP << 8;
  	mcp->out_mb = MBX_1|MBX_0;
  	mcp->in_mb = MBX_1|MBX_0;
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  	*temp = mcp->mb[1];
  
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x115a,
  		    "Failed=%x mb[0]=%x,%x.\n", rval, mcp->mb[0], mcp->mb[1]);
  	} else {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x115b,
  		    "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  
  int
  qla2x00_read_sfp(scsi_qla_host_t *vha, dma_addr_t sfp_dma, uint8_t *sfp,
  	uint16_t dev, uint16_t off, uint16_t len, uint16_t opt)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  	struct qla_hw_data *ha = vha->hw;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10e8,
  	    "Entered %s.\n", __func__);
  
  	if (!IS_FWI2_CAPABLE(ha))
  		return QLA_FUNCTION_FAILED;
  
  	if (len == 1)
  		opt |= BIT_0;
  
  	mcp->mb[0] = MBC_READ_SFP;
  	mcp->mb[1] = dev;
  	mcp->mb[2] = MSW(sfp_dma);
  	mcp->mb[3] = LSW(sfp_dma);
  	mcp->mb[6] = MSW(MSD(sfp_dma));
  	mcp->mb[7] = LSW(MSD(sfp_dma));
  	mcp->mb[8] = len;
  	mcp->mb[9] = off;
  	mcp->mb[10] = opt;
  	mcp->out_mb = MBX_10|MBX_9|MBX_8|MBX_7|MBX_6|MBX_3|MBX_2|MBX_1|MBX_0;
  	mcp->in_mb = MBX_1|MBX_0;
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  
  	if (opt & BIT_0)
  		*sfp = mcp->mb[1];
  
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x10e9,
  		    "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
  	} else {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10ea,
  		    "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  
  int
  qla2x00_write_sfp(scsi_qla_host_t *vha, dma_addr_t sfp_dma, uint8_t *sfp,
  	uint16_t dev, uint16_t off, uint16_t len, uint16_t opt)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  	struct qla_hw_data *ha = vha->hw;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10eb,
  	    "Entered %s.\n", __func__);
  
  	if (!IS_FWI2_CAPABLE(ha))
  		return QLA_FUNCTION_FAILED;
  
  	if (len == 1)
  		opt |= BIT_0;
  
  	if (opt & BIT_0)
  		len = *sfp;
  
  	mcp->mb[0] = MBC_WRITE_SFP;
  	mcp->mb[1] = dev;
  	mcp->mb[2] = MSW(sfp_dma);
  	mcp->mb[3] = LSW(sfp_dma);
  	mcp->mb[6] = MSW(MSD(sfp_dma));
  	mcp->mb[7] = LSW(MSD(sfp_dma));
  	mcp->mb[8] = len;
  	mcp->mb[9] = off;
  	mcp->mb[10] = opt;
  	mcp->out_mb = MBX_10|MBX_9|MBX_8|MBX_7|MBX_6|MBX_3|MBX_2|MBX_1|MBX_0;
  	mcp->in_mb = MBX_1|MBX_0;
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x10ec,
  		    "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
  	} else {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10ed,
  		    "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  
  int
  qla2x00_get_xgmac_stats(scsi_qla_host_t *vha, dma_addr_t stats_dma,
      uint16_t size_in_bytes, uint16_t *actual_size)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10ee,
  	    "Entered %s.\n", __func__);
  
  	if (!IS_CNA_CAPABLE(vha->hw))
  		return QLA_FUNCTION_FAILED;
  
  	mcp->mb[0] = MBC_GET_XGMAC_STATS;
  	mcp->mb[2] = MSW(stats_dma);
  	mcp->mb[3] = LSW(stats_dma);
  	mcp->mb[6] = MSW(MSD(stats_dma));
  	mcp->mb[7] = LSW(MSD(stats_dma));
  	mcp->mb[8] = size_in_bytes >> 2;
  	mcp->out_mb = MBX_8|MBX_7|MBX_6|MBX_3|MBX_2|MBX_0;
  	mcp->in_mb = MBX_2|MBX_1|MBX_0;
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x10ef,
  		    "Failed=%x mb[0]=%x mb[1]=%x mb[2]=%x.\n",
  		    rval, mcp->mb[0], mcp->mb[1], mcp->mb[2]);
  	} else {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10f0,
  		    "Done %s.\n", __func__);
  
  
  		*actual_size = mcp->mb[2] << 2;
  	}
  
  	return rval;
  }
  
  int
  qla2x00_get_dcbx_params(scsi_qla_host_t *vha, dma_addr_t tlv_dma,
      uint16_t size)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10f1,
  	    "Entered %s.\n", __func__);
  
  	if (!IS_CNA_CAPABLE(vha->hw))
  		return QLA_FUNCTION_FAILED;
  
  	mcp->mb[0] = MBC_GET_DCBX_PARAMS;
  	mcp->mb[1] = 0;
  	mcp->mb[2] = MSW(tlv_dma);
  	mcp->mb[3] = LSW(tlv_dma);
  	mcp->mb[6] = MSW(MSD(tlv_dma));
  	mcp->mb[7] = LSW(MSD(tlv_dma));
  	mcp->mb[8] = size;
  	mcp->out_mb = MBX_8|MBX_7|MBX_6|MBX_3|MBX_2|MBX_1|MBX_0;
  	mcp->in_mb = MBX_2|MBX_1|MBX_0;
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x10f2,
  		    "Failed=%x mb[0]=%x mb[1]=%x mb[2]=%x.\n",
  		    rval, mcp->mb[0], mcp->mb[1], mcp->mb[2]);
  	} else {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10f3,
  		    "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  
  int
  qla2x00_read_ram_word(scsi_qla_host_t *vha, uint32_t risc_addr, uint32_t *data)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10f4,
  	    "Entered %s.\n", __func__);
  
  	if (!IS_FWI2_CAPABLE(vha->hw))
  		return QLA_FUNCTION_FAILED;
  
  	mcp->mb[0] = MBC_READ_RAM_EXTENDED;
  	mcp->mb[1] = LSW(risc_addr);
  	mcp->mb[8] = MSW(risc_addr);
  	mcp->out_mb = MBX_8|MBX_1|MBX_0;
  	mcp->in_mb = MBX_3|MBX_2|MBX_0;
  	mcp->tov = 30;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x10f5,
  		    "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
  	} else {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10f6,
  		    "Done %s.\n", __func__);
  		*data = mcp->mb[3] << 16 | mcp->mb[2];
  	}
  
  	return rval;
  }
  
  int
  qla2x00_loopback_test(scsi_qla_host_t *vha, struct msg_echo_lb *mreq,
  	uint16_t *mresp)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10f7,
  	    "Entered %s.\n", __func__);
  
  	memset(mcp->mb, 0 , sizeof(mcp->mb));
  	mcp->mb[0] = MBC_DIAGNOSTIC_LOOP_BACK;
  	mcp->mb[1] = mreq->options | BIT_6;	// BIT_6 specifies 64 bit addressing
  
  	/* transfer count */
  	mcp->mb[10] = LSW(mreq->transfer_size);
  	mcp->mb[11] = MSW(mreq->transfer_size);
  
  	/* send data address */
  	mcp->mb[14] = LSW(mreq->send_dma);
  	mcp->mb[15] = MSW(mreq->send_dma);
  	mcp->mb[20] = LSW(MSD(mreq->send_dma));
  	mcp->mb[21] = MSW(MSD(mreq->send_dma));
  
  	/* receive data address */
  	mcp->mb[16] = LSW(mreq->rcv_dma);
  	mcp->mb[17] = MSW(mreq->rcv_dma);
  	mcp->mb[6] = LSW(MSD(mreq->rcv_dma));
  	mcp->mb[7] = MSW(MSD(mreq->rcv_dma));
  
  	/* Iteration count */
  	mcp->mb[18] = LSW(mreq->iteration_count);
  	mcp->mb[19] = MSW(mreq->iteration_count);
  
  	mcp->out_mb = MBX_21|MBX_20|MBX_19|MBX_18|MBX_17|MBX_16|MBX_15|
  	    MBX_14|MBX_13|MBX_12|MBX_11|MBX_10|MBX_7|MBX_6|MBX_1|MBX_0;
  	if (IS_CNA_CAPABLE(vha->hw))
  		mcp->out_mb |= MBX_2;
  	mcp->in_mb = MBX_19|MBX_18|MBX_3|MBX_2|MBX_1|MBX_0;
  
  	mcp->buf_size = mreq->transfer_size;
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = MBX_DMA_OUT|MBX_DMA_IN|IOCTL_CMD;
  
  	rval = qla2x00_mailbox_command(vha, mcp);
  
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x10f8,
  		    "Failed=%x mb[0]=%x mb[1]=%x mb[2]=%x mb[3]=%x mb[18]=%x "
  		    "mb[19]=%x.\n", rval, mcp->mb[0], mcp->mb[1], mcp->mb[2],
  		    mcp->mb[3], mcp->mb[18], mcp->mb[19]);
  	} else {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10f9,
  		    "Done %s.\n", __func__);
  	}
  
  	/* Copy mailbox information */
  	memcpy( mresp, mcp->mb, 64);
  	return rval;
  }
  
  int
  qla2x00_echo_test(scsi_qla_host_t *vha, struct msg_echo_lb *mreq,
  	uint16_t *mresp)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  	struct qla_hw_data *ha = vha->hw;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10fa,
  	    "Entered %s.\n", __func__);
  
  	memset(mcp->mb, 0 , sizeof(mcp->mb));
  	mcp->mb[0] = MBC_DIAGNOSTIC_ECHO;
  	mcp->mb[1] = mreq->options | BIT_6;	/* BIT_6 specifies 64bit address */
  	if (IS_CNA_CAPABLE(ha)) {
  		mcp->mb[1] |= BIT_15;
  		mcp->mb[2] = vha->fcoe_fcf_idx;
  	}
  	mcp->mb[16] = LSW(mreq->rcv_dma);
  	mcp->mb[17] = MSW(mreq->rcv_dma);
  	mcp->mb[6] = LSW(MSD(mreq->rcv_dma));
  	mcp->mb[7] = MSW(MSD(mreq->rcv_dma));
  
  	mcp->mb[10] = LSW(mreq->transfer_size);
  
  	mcp->mb[14] = LSW(mreq->send_dma);
  	mcp->mb[15] = MSW(mreq->send_dma);
  	mcp->mb[20] = LSW(MSD(mreq->send_dma));
  	mcp->mb[21] = MSW(MSD(mreq->send_dma));
  
  	mcp->out_mb = MBX_21|MBX_20|MBX_17|MBX_16|MBX_15|
  	    MBX_14|MBX_10|MBX_7|MBX_6|MBX_1|MBX_0;
  	if (IS_CNA_CAPABLE(ha))
  		mcp->out_mb |= MBX_2;
  
  	mcp->in_mb = MBX_0;
  	if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha) ||
  	    IS_CNA_CAPABLE(ha) || IS_QLA2031(ha))
  		mcp->in_mb |= MBX_1;
  	if (IS_CNA_CAPABLE(ha) || IS_QLA2031(ha))
  		mcp->in_mb |= MBX_3;
  
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = MBX_DMA_OUT|MBX_DMA_IN|IOCTL_CMD;
  	mcp->buf_size = mreq->transfer_size;
  
  	rval = qla2x00_mailbox_command(vha, mcp);
  
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x10fb,
  		    "Failed=%x mb[0]=%x mb[1]=%x.\n",
  		    rval, mcp->mb[0], mcp->mb[1]);
  	} else {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10fc,
  		    "Done %s.\n", __func__);
  	}
  
  	/* Copy mailbox information */
  	memcpy(mresp, mcp->mb, 64);
  	return rval;
  }
  
  int
  qla84xx_reset_chip(scsi_qla_host_t *vha, uint16_t enable_diagnostic)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10fd,
  	    "Entered %s enable_diag=%d.\n", __func__, enable_diagnostic);
  
  	mcp->mb[0] = MBC_ISP84XX_RESET;
  	mcp->mb[1] = enable_diagnostic;
  	mcp->out_mb = MBX_1|MBX_0;
  	mcp->in_mb = MBX_1|MBX_0;
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = MBX_DMA_OUT|MBX_DMA_IN|IOCTL_CMD;
  	rval = qla2x00_mailbox_command(vha, mcp);
  
  	if (rval != QLA_SUCCESS)
  		ql_dbg(ql_dbg_mbx, vha, 0x10fe, "Failed=%x.\n", rval);
  	else
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10ff,
  		    "Done %s.\n", __func__);
  
  	return rval;
  }
  
  int
  qla2x00_write_ram_word(scsi_qla_host_t *vha, uint32_t risc_addr, uint32_t data)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1100,
  	    "Entered %s.\n", __func__);
  
  	if (!IS_FWI2_CAPABLE(vha->hw))
  		return QLA_FUNCTION_FAILED;
  
  	mcp->mb[0] = MBC_WRITE_RAM_WORD_EXTENDED;
  	mcp->mb[1] = LSW(risc_addr);
  	mcp->mb[2] = LSW(data);
  	mcp->mb[3] = MSW(data);
  	mcp->mb[8] = MSW(risc_addr);
  	mcp->out_mb = MBX_8|MBX_3|MBX_2|MBX_1|MBX_0;
  	mcp->in_mb = MBX_0;
  	mcp->tov = 30;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x1101,
  		    "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
  	} else {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1102,
  		    "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  
  int
  qla81xx_write_mpi_register(scsi_qla_host_t *vha, uint16_t *mb)
  {
  	int rval;
  	uint32_t stat, timer;
  	uint16_t mb0 = 0;
  	struct qla_hw_data *ha = vha->hw;
  	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
  
  	rval = QLA_SUCCESS;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1103,
  	    "Entered %s.\n", __func__);
  
  	clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
  
  	/* Write the MBC data to the registers */
  	WRT_REG_WORD(&reg->mailbox0, MBC_WRITE_MPI_REGISTER);
  	WRT_REG_WORD(&reg->mailbox1, mb[0]);
  	WRT_REG_WORD(&reg->mailbox2, mb[1]);
  	WRT_REG_WORD(&reg->mailbox3, mb[2]);
  	WRT_REG_WORD(&reg->mailbox4, mb[3]);
  
  	WRT_REG_DWORD(&reg->hccr, HCCRX_SET_HOST_INT);
  
  	/* Poll for MBC interrupt */
  	for (timer = 6000000; timer; timer--) {
  		/* Check for pending interrupts. */
  		stat = RD_REG_DWORD(&reg->host_status);
  		if (stat & HSRX_RISC_INT) {
  			stat &= 0xff;
  
  			if (stat == 0x1 || stat == 0x2 ||
  			    stat == 0x10 || stat == 0x11) {
  				set_bit(MBX_INTERRUPT,
  				    &ha->mbx_cmd_flags);
  				mb0 = RD_REG_WORD(&reg->mailbox0);
  				WRT_REG_DWORD(&reg->hccr,
  				    HCCRX_CLR_RISC_INT);
  				RD_REG_DWORD(&reg->hccr);
  				break;
  			}
  		}
  		udelay(5);
  	}
  
  	if (test_and_clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags))
  		rval = mb0 & MBS_MASK;
  	else
  		rval = QLA_FUNCTION_FAILED;
  
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x1104,
  		    "Failed=%x mb[0]=%x.\n", rval, mb[0]);
  	} else {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1105,
  		    "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  
  int
  qla2x00_get_data_rate(scsi_qla_host_t *vha)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  	struct qla_hw_data *ha = vha->hw;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1106,
  	    "Entered %s.\n", __func__);
  
  	if (!IS_FWI2_CAPABLE(ha))
  		return QLA_FUNCTION_FAILED;
  
  	mcp->mb[0] = MBC_DATA_RATE;
  	mcp->mb[1] = 0;
  	mcp->out_mb = MBX_1|MBX_0;
  	mcp->in_mb = MBX_2|MBX_1|MBX_0;
  	if (IS_QLA83XX(ha))
  		mcp->in_mb |= MBX_3;
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x1107,
  		    "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
  	} else {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1108,
  		    "Done %s.\n", __func__);
  		if (mcp->mb[1] != 0x7)
  			ha->link_data_rate = mcp->mb[1];
  	}
  
  	return rval;
  }
  
  int
  qla81xx_get_port_config(scsi_qla_host_t *vha, uint16_t *mb)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  	struct qla_hw_data *ha = vha->hw;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1109,
  	    "Entered %s.\n", __func__);
  
  	if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha))
  		return QLA_FUNCTION_FAILED;
  	mcp->mb[0] = MBC_GET_PORT_CONFIG;
  	mcp->out_mb = MBX_0;
  	mcp->in_mb = MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = 0;
  
  	rval = qla2x00_mailbox_command(vha, mcp);
  
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x110a,
  		    "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
  	} else {
  		/* Copy all bits to preserve original value */
  		memcpy(mb, &mcp->mb[1], sizeof(uint16_t) * 4);
  
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x110b,
  		    "Done %s.\n", __func__);
  	}
  	return rval;
  }
  
  int
  qla81xx_set_port_config(scsi_qla_host_t *vha, uint16_t *mb)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x110c,
  	    "Entered %s.\n", __func__);
  
  	mcp->mb[0] = MBC_SET_PORT_CONFIG;
  	/* Copy all bits to preserve original setting */
  	memcpy(&mcp->mb[1], mb, sizeof(uint16_t) * 4);
  	mcp->out_mb = MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
  	mcp->in_mb = MBX_0;
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x110d,
  		    "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
  	} else
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x110e,
  		    "Done %s.\n", __func__);
  
  	return rval;
  }
  
  
  int
  qla24xx_set_fcp_prio(scsi_qla_host_t *vha, uint16_t loop_id, uint16_t priority,
  		uint16_t *mb)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  	struct qla_hw_data *ha = vha->hw;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x110f,
  	    "Entered %s.\n", __func__);
  
  	if (!IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha))
  		return QLA_FUNCTION_FAILED;
  
  	mcp->mb[0] = MBC_PORT_PARAMS;
  	mcp->mb[1] = loop_id;
  	if (ha->flags.fcp_prio_enabled)
  		mcp->mb[2] = BIT_1;
  	else
  		mcp->mb[2] = BIT_2;
  	mcp->mb[4] = priority & 0xf;
  	mcp->mb[9] = vha->vp_idx;
  	mcp->out_mb = MBX_9|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
  	mcp->in_mb = MBX_4|MBX_3|MBX_1|MBX_0;
  	mcp->tov = 30;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  	if (mb != NULL) {
  		mb[0] = mcp->mb[0];
  		mb[1] = mcp->mb[1];
  		mb[3] = mcp->mb[3];
  		mb[4] = mcp->mb[4];
  	}
  
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x10cd, "Failed=%x.\n", rval);
  	} else {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10cc,
  		    "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  
  int
  qla2x00_get_thermal_temp(scsi_qla_host_t *vha, uint16_t *temp)
  {
  	int rval = QLA_FUNCTION_FAILED;
  	struct qla_hw_data *ha = vha->hw;
  	uint8_t byte;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10ca,
  	    "Entered %s.\n", __func__);
  
  	if (ha->thermal_support & THERMAL_SUPPORT_I2C) {
  		rval = qla2x00_read_sfp(vha, 0, &byte,
  		    0x98, 0x1, 1, BIT_13|BIT_12|BIT_0);
  		*temp = byte;
  		if (rval == QLA_SUCCESS)
  			goto done;
  
  		ql_log(ql_log_warn, vha, 0x10c9,
  		    "Thermal not supported through I2C bus, trying alternate "
  		    "method (ISP access).\n");
  		ha->thermal_support &= ~THERMAL_SUPPORT_I2C;
  	}
  
  	if (ha->thermal_support & THERMAL_SUPPORT_ISP) {
  		rval = qla2x00_read_asic_temperature(vha, temp);
  		if (rval == QLA_SUCCESS)
  			goto done;
  
  		ql_log(ql_log_warn, vha, 0x1019,
  		    "Thermal not supported through ISP.\n");
  		ha->thermal_support &= ~THERMAL_SUPPORT_ISP;
  	}
  
  	ql_log(ql_log_warn, vha, 0x1150,
  	    "Thermal not supported by this card "
  	    "(ignoring further requests).\n");
  	return  rval;
  
  done:
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1018,
  	    "Done %s.\n", __func__);
  	return rval;
  }
  
  int
  qla82xx_mbx_intr_enable(scsi_qla_host_t *vha)
  {
  	int rval;
  	struct qla_hw_data *ha = vha->hw;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1017,
  	    "Entered %s.\n", __func__);
  
  	if (!IS_FWI2_CAPABLE(ha))
  		return QLA_FUNCTION_FAILED;
  
  	memset(mcp, 0, sizeof(mbx_cmd_t));
  	mcp->mb[0] = MBC_TOGGLE_INTERRUPT;
  	mcp->mb[1] = 1;
  
  	mcp->out_mb = MBX_1|MBX_0;
  	mcp->in_mb = MBX_0;
  	mcp->tov = 30;
  	mcp->flags = 0;
  
  	rval = qla2x00_mailbox_command(vha, mcp);
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x1016,
  		    "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
  	} else {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x100e,
  		    "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  
  int
  qla82xx_mbx_intr_disable(scsi_qla_host_t *vha)
  {
  	int rval;
  	struct qla_hw_data *ha = vha->hw;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x100d,
  	    "Entered %s.\n", __func__);
  
  	if (!IS_QLA82XX(ha))
  		return QLA_FUNCTION_FAILED;
  
  	memset(mcp, 0, sizeof(mbx_cmd_t));
  	mcp->mb[0] = MBC_TOGGLE_INTERRUPT;
  	mcp->mb[1] = 0;
  
  	mcp->out_mb = MBX_1|MBX_0;
  	mcp->in_mb = MBX_0;
  	mcp->tov = 30;
  	mcp->flags = 0;
  
  	rval = qla2x00_mailbox_command(vha, mcp);
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x100c,
  		    "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
  	} else {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x100b,
  		    "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  
  int
  qla82xx_md_get_template_size(scsi_qla_host_t *vha)
  {
  	struct qla_hw_data *ha = vha->hw;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  	int rval = QLA_FUNCTION_FAILED;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x111f,
  	    "Entered %s.\n", __func__);
  
  	memset(mcp->mb, 0 , sizeof(mcp->mb));
  	mcp->mb[0] = LSW(MBC_DIAGNOSTIC_MINIDUMP_TEMPLATE);
  	mcp->mb[1] = MSW(MBC_DIAGNOSTIC_MINIDUMP_TEMPLATE);
  	mcp->mb[2] = LSW(RQST_TMPLT_SIZE);
  	mcp->mb[3] = MSW(RQST_TMPLT_SIZE);
  
  	mcp->out_mb = MBX_3|MBX_2|MBX_1|MBX_0;
  	mcp->in_mb = MBX_14|MBX_13|MBX_12|MBX_11|MBX_10|MBX_9|MBX_8|
  	    MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
  
  	mcp->flags = MBX_DMA_OUT|MBX_DMA_IN|IOCTL_CMD;
  	mcp->tov = MBX_TOV_SECONDS;
  	rval = qla2x00_mailbox_command(vha, mcp);
  
  	/* Always copy back return mailbox values. */
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x1120,
  		    "mailbox command FAILED=0x%x, subcode=%x.\n",
  		    (mcp->mb[1] << 16) | mcp->mb[0],
  		    (mcp->mb[3] << 16) | mcp->mb[2]);
  	} else {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1121,
  		    "Done %s.\n", __func__);
  		ha->md_template_size = ((mcp->mb[3] << 16) | mcp->mb[2]);
  		if (!ha->md_template_size) {
  			ql_dbg(ql_dbg_mbx, vha, 0x1122,
  			    "Null template size obtained.\n");
  			rval = QLA_FUNCTION_FAILED;
  		}
  	}
  	return rval;
  }
  
  int
  qla82xx_md_get_template(scsi_qla_host_t *vha)
  {
  	struct qla_hw_data *ha = vha->hw;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  	int rval = QLA_FUNCTION_FAILED;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1123,
  	    "Entered %s.\n", __func__);
  
  	ha->md_tmplt_hdr = dma_alloc_coherent(&ha->pdev->dev,
  	   ha->md_template_size, &ha->md_tmplt_hdr_dma, GFP_KERNEL);
  	if (!ha->md_tmplt_hdr) {
  		ql_log(ql_log_warn, vha, 0x1124,
  		    "Unable to allocate memory for Minidump template.\n");
  		return rval;
  	}
  
  	memset(mcp->mb, 0 , sizeof(mcp->mb));
  	mcp->mb[0] = LSW(MBC_DIAGNOSTIC_MINIDUMP_TEMPLATE);
  	mcp->mb[1] = MSW(MBC_DIAGNOSTIC_MINIDUMP_TEMPLATE);
  	mcp->mb[2] = LSW(RQST_TMPLT);
  	mcp->mb[3] = MSW(RQST_TMPLT);
  	mcp->mb[4] = LSW(LSD(ha->md_tmplt_hdr_dma));
  	mcp->mb[5] = MSW(LSD(ha->md_tmplt_hdr_dma));
  	mcp->mb[6] = LSW(MSD(ha->md_tmplt_hdr_dma));
  	mcp->mb[7] = MSW(MSD(ha->md_tmplt_hdr_dma));
  	mcp->mb[8] = LSW(ha->md_template_size);
  	mcp->mb[9] = MSW(ha->md_template_size);
  
  	mcp->flags = MBX_DMA_OUT|MBX_DMA_IN|IOCTL_CMD;
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->out_mb = MBX_11|MBX_10|MBX_9|MBX_8|
  	    MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
  	mcp->in_mb = MBX_3|MBX_2|MBX_1|MBX_0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x1125,
  		    "mailbox command FAILED=0x%x, subcode=%x.\n",
  		    ((mcp->mb[1] << 16) | mcp->mb[0]),
  		    ((mcp->mb[3] << 16) | mcp->mb[2]));
  	} else
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1126,
  		    "Done %s.\n", __func__);
  	return rval;
  }
  
  int
  qla81xx_set_led_config(scsi_qla_host_t *vha, uint16_t *led_cfg)
  {
  	int rval;
  	struct qla_hw_data *ha = vha->hw;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  
  	if (!IS_QLA81XX(ha) && !IS_QLA8031(ha))
  		return QLA_FUNCTION_FAILED;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1133,
  	    "Entered %s.\n", __func__);
  
  	memset(mcp, 0, sizeof(mbx_cmd_t));
  	mcp->mb[0] = MBC_SET_LED_CONFIG;
  	mcp->mb[1] = led_cfg[0];
  	mcp->mb[2] = led_cfg[1];
  	if (IS_QLA8031(ha)) {
  		mcp->mb[3] = led_cfg[2];
  		mcp->mb[4] = led_cfg[3];
  		mcp->mb[5] = led_cfg[4];
  		mcp->mb[6] = led_cfg[5];
  	}
  
  	mcp->out_mb = MBX_2|MBX_1|MBX_0;
  	if (IS_QLA8031(ha))
  		mcp->out_mb |= MBX_6|MBX_5|MBX_4|MBX_3;
  	mcp->in_mb = MBX_0;
  	mcp->tov = 30;
  	mcp->flags = 0;
  
  	rval = qla2x00_mailbox_command(vha, mcp);
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x1134,
  		    "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
  	} else {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1135,
  		    "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  
  int
  qla81xx_get_led_config(scsi_qla_host_t *vha, uint16_t *led_cfg)
  {
  	int rval;
  	struct qla_hw_data *ha = vha->hw;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  
  	if (!IS_QLA81XX(ha) && !IS_QLA8031(ha))
  		return QLA_FUNCTION_FAILED;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1136,
  	    "Entered %s.\n", __func__);
  
  	memset(mcp, 0, sizeof(mbx_cmd_t));
  	mcp->mb[0] = MBC_GET_LED_CONFIG;
  
  	mcp->out_mb = MBX_0;
  	mcp->in_mb = MBX_2|MBX_1|MBX_0;
  	if (IS_QLA8031(ha))
  		mcp->in_mb |= MBX_6|MBX_5|MBX_4|MBX_3;
  	mcp->tov = 30;
  	mcp->flags = 0;
  
  	rval = qla2x00_mailbox_command(vha, mcp);
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x1137,
  		    "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
  	} else {
  		led_cfg[0] = mcp->mb[1];
  		led_cfg[1] = mcp->mb[2];
  		if (IS_QLA8031(ha)) {
  			led_cfg[2] = mcp->mb[3];
  			led_cfg[3] = mcp->mb[4];
  			led_cfg[4] = mcp->mb[5];
  			led_cfg[5] = mcp->mb[6];
  		}
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1138,
  		    "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  
  int
  qla82xx_mbx_beacon_ctl(scsi_qla_host_t *vha, int enable)
  {
  	int rval;
  	struct qla_hw_data *ha = vha->hw;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  
  	if (!IS_QLA82XX(ha))
  		return QLA_FUNCTION_FAILED;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1127,
  		"Entered %s.\n", __func__);
  
  	memset(mcp, 0, sizeof(mbx_cmd_t));
  	mcp->mb[0] = MBC_SET_LED_CONFIG;
  	if (enable)
  		mcp->mb[7] = 0xE;
  	else
  		mcp->mb[7] = 0xD;
  
  	mcp->out_mb = MBX_7|MBX_0;
  	mcp->in_mb = MBX_0;
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = 0;
  
  	rval = qla2x00_mailbox_command(vha, mcp);
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x1128,
  		    "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
  	} else {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1129,
  		    "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  
  int
  qla83xx_wr_reg(scsi_qla_host_t *vha, uint32_t reg, uint32_t data)
  {
  	int rval;
  	struct qla_hw_data *ha = vha->hw;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  
  	if (!IS_QLA83XX(ha))
  		return QLA_FUNCTION_FAILED;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1130,
  	    "Entered %s.\n", __func__);
  
  	mcp->mb[0] = MBC_WRITE_REMOTE_REG;
  	mcp->mb[1] = LSW(reg);
  	mcp->mb[2] = MSW(reg);
  	mcp->mb[3] = LSW(data);
  	mcp->mb[4] = MSW(data);
  	mcp->out_mb = MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
  
  	mcp->in_mb = MBX_1|MBX_0;
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x1131,
  		    "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
  	} else {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1132,
  		    "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  
  int
  qla2x00_port_logout(scsi_qla_host_t *vha, struct fc_port *fcport)
  {
  	int rval;
  	struct qla_hw_data *ha = vha->hw;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  
  	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x113b,
  		    "Implicit LOGO Unsupported.\n");
  		return QLA_FUNCTION_FAILED;
  	}
  
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x113c,
  	    "Entering %s.\n",  __func__);
  
  	/* Perform Implicit LOGO. */
  	mcp->mb[0] = MBC_PORT_LOGOUT;
  	mcp->mb[1] = fcport->loop_id;
  	mcp->mb[10] = BIT_15;
  	mcp->out_mb = MBX_10|MBX_1|MBX_0;
  	mcp->in_mb = MBX_0;
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  	if (rval != QLA_SUCCESS)
  		ql_dbg(ql_dbg_mbx, vha, 0x113d,
  		    "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
  	else
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x113e,
  		    "Done %s.\n", __func__);
  
  	return rval;
  }
  
  int
  qla83xx_rd_reg(scsi_qla_host_t *vha, uint32_t reg, uint32_t *data)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  	struct qla_hw_data *ha = vha->hw;
  	unsigned long retry_max_time = jiffies + (2 * HZ);
  
  	if (!IS_QLA83XX(ha))
  		return QLA_FUNCTION_FAILED;
  
  	ql_dbg(ql_dbg_mbx, vha, 0x114b, "Entered %s.\n", __func__);
  
  retry_rd_reg:
  	mcp->mb[0] = MBC_READ_REMOTE_REG;
  	mcp->mb[1] = LSW(reg);
  	mcp->mb[2] = MSW(reg);
  	mcp->out_mb = MBX_2|MBX_1|MBX_0;
  	mcp->in_mb = MBX_4|MBX_3|MBX_1|MBX_0;
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x114c,
  		    "Failed=%x mb[0]=%x mb[1]=%x.\n",
  		    rval, mcp->mb[0], mcp->mb[1]);
  	} else {
  		*data = (mcp->mb[3] | (mcp->mb[4] << 16));
  		if (*data == QLA8XXX_BAD_VALUE) {
  			/*
  			 * During soft-reset CAMRAM register reads might
  			 * return 0xbad0bad0. So retry for MAX of 2 sec
  			 * while reading camram registers.
  			 */
  			if (time_after(jiffies, retry_max_time)) {
  				ql_dbg(ql_dbg_mbx, vha, 0x1141,
  				    "Failure to read CAMRAM register. "
  				    "data=0x%x.\n", *data);
  				return QLA_FUNCTION_FAILED;
  			}
  			msleep(100);
  			goto retry_rd_reg;
  		}
  		ql_dbg(ql_dbg_mbx, vha, 0x1142, "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  
  int
  qla83xx_restart_nic_firmware(scsi_qla_host_t *vha)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  	struct qla_hw_data *ha = vha->hw;
  
  	if (!IS_QLA83XX(ha))
  		return QLA_FUNCTION_FAILED;
  
  	ql_dbg(ql_dbg_mbx, vha, 0x1143, "Entered %s.\n", __func__);
  
  	mcp->mb[0] = MBC_RESTART_NIC_FIRMWARE;
  	mcp->out_mb = MBX_0;
  	mcp->in_mb = MBX_1|MBX_0;
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x1144,
  		    "Failed=%x mb[0]=%x mb[1]=%x.\n",
  		    rval, mcp->mb[0], mcp->mb[1]);
  		ha->isp_ops->fw_dump(vha, 0);
  	} else {
  		ql_dbg(ql_dbg_mbx, vha, 0x1145, "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  
  int
  qla83xx_access_control(scsi_qla_host_t *vha, uint16_t options,
  	uint32_t start_addr, uint32_t end_addr, uint16_t *sector_size)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  	uint8_t subcode = (uint8_t)options;
  	struct qla_hw_data *ha = vha->hw;
  
  	if (!IS_QLA8031(ha))
  		return QLA_FUNCTION_FAILED;
  
  	ql_dbg(ql_dbg_mbx, vha, 0x1146, "Entered %s.\n", __func__);
  
  	mcp->mb[0] = MBC_SET_ACCESS_CONTROL;
  	mcp->mb[1] = options;
  	mcp->out_mb = MBX_1|MBX_0;
  	if (subcode & BIT_2) {
  		mcp->mb[2] = LSW(start_addr);
  		mcp->mb[3] = MSW(start_addr);
  		mcp->mb[4] = LSW(end_addr);
  		mcp->mb[5] = MSW(end_addr);
  		mcp->out_mb |= MBX_5|MBX_4|MBX_3|MBX_2;
  	}
  	mcp->in_mb = MBX_2|MBX_1|MBX_0;
  	if (!(subcode & (BIT_2 | BIT_5)))
  		mcp->in_mb |= MBX_4|MBX_3;
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x1147,
  		    "Failed=%x mb[0]=%x mb[1]=%x mb[2]=%x mb[3]=%x mb[4]=%x.\n",
  		    rval, mcp->mb[0], mcp->mb[1], mcp->mb[2], mcp->mb[3],
  		    mcp->mb[4]);
  		ha->isp_ops->fw_dump(vha, 0);
  	} else {
  		if (subcode & BIT_5)
  			*sector_size = mcp->mb[1];
  		else if (subcode & (BIT_6 | BIT_7)) {
  			ql_dbg(ql_dbg_mbx, vha, 0x1148,
  			    "Driver-lock id=%x%x", mcp->mb[4], mcp->mb[3]);
  		} else if (subcode & (BIT_3 | BIT_4)) {
  			ql_dbg(ql_dbg_mbx, vha, 0x1149,
  			    "Flash-lock id=%x%x", mcp->mb[4], mcp->mb[3]);
  		}
  		ql_dbg(ql_dbg_mbx, vha, 0x114a, "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  
  int
  qla2x00_dump_mctp_data(scsi_qla_host_t *vha, dma_addr_t req_dma, uint32_t addr,
  	uint32_t size)
  {
  	int rval;
  	mbx_cmd_t mc;
  	mbx_cmd_t *mcp = &mc;
  
  	if (!IS_MCTP_CAPABLE(vha->hw))
  		return QLA_FUNCTION_FAILED;
  
  	ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x114f,
  	    "Entered %s.\n", __func__);
  
  	mcp->mb[0] = MBC_DUMP_RISC_RAM_EXTENDED;
  	mcp->mb[1] = LSW(addr);
  	mcp->mb[2] = MSW(req_dma);
  	mcp->mb[3] = LSW(req_dma);
  	mcp->mb[4] = MSW(size);
  	mcp->mb[5] = LSW(size);
  	mcp->mb[6] = MSW(MSD(req_dma));
  	mcp->mb[7] = LSW(MSD(req_dma));
  	mcp->mb[8] = MSW(addr);
  	/* Setting RAM ID to valid */
  	mcp->mb[10] |= BIT_7;
  	/* For MCTP RAM ID is 0x40 */
  	mcp->mb[10] |= 0x40;
  
  	mcp->out_mb |= MBX_10|MBX_8|MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|
  	    MBX_0;
  
  	mcp->in_mb = MBX_0;
  	mcp->tov = MBX_TOV_SECONDS;
  	mcp->flags = 0;
  	rval = qla2x00_mailbox_command(vha, mcp);
  
  	if (rval != QLA_SUCCESS) {
  		ql_dbg(ql_dbg_mbx, vha, 0x114e,
  		    "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
  	} else {
  		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x114d,
  		    "Done %s.\n", __func__);
  	}
  
  	return rval;
  }
  