qla_mbx.c

来自「优龙2410linux2.6.8内核源代码」· C语言 代码 · 共 2,453 行 · 第 1/4 页

 */
int
qla2x00_get_adapter_id(scsi_qla_host_t *ha, uint16_t *id, uint8_t *al_pa,
    uint8_t *area, uint8_t *domain, uint16_t *top)
{
	int rval;
	mbx_cmd_t mc;
	mbx_cmd_t *mcp = &mc;

	DEBUG11(printk("qla2x00_get_adapter_id(%ld): entered.\n",
	    ha->host_no);)

	mcp->mb[0] = MBC_GET_ADAPTER_LOOP_ID;
	mcp->out_mb = MBX_0;
	mcp->in_mb = MBX_7|MBX_6|MBX_3|MBX_2|MBX_1|MBX_0;
	mcp->tov = 30;
	mcp->flags = 0;
	rval = qla2x00_mailbox_command(ha, mcp);

	/* 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];

	if (rval != QLA_SUCCESS) {
		/*EMPTY*/
		DEBUG2_3_11(printk("qla2x00_get_adapter_id(%ld): failed=%x.\n",
		    ha->host_no, rval);)
	} else {
		/*EMPTY*/
		DEBUG11(printk("qla2x00_get_adapter_id(%ld): done.\n",
		    ha->host_no);)
	}

	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 *ha, 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;

	DEBUG11(printk("qla2x00_get_retry_cnt(%ld): entered.\n",
			ha->host_no);)

	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 = 30;
	mcp->flags = 0;
	rval = qla2x00_mailbox_command(ha, mcp);

	if (rval != QLA_SUCCESS) {
		/*EMPTY*/
		DEBUG2_3_11(printk("qla2x00_get_retry_cnt(%ld): failed = %x.\n",
		    ha->host_no, 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;
		}

		DEBUG11(printk("qla2x00_get_retry_cnt(%ld): done. mb3=%d "
		    "ratov=%d.\n", ha->host_no, 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 *ha, uint16_t size)
{
	int rval;
	mbx_cmd_t mc;
	mbx_cmd_t *mcp = &mc;

	DEBUG11(printk("qla2x00_init_firmware(%ld): entered.\n",
	    ha->host_no);)

	mcp->mb[0] = MBC_INITIALIZE_FIRMWARE;
	mcp->mb[2] = MSW(ha->init_cb_dma);
	mcp->mb[3] = LSW(ha->init_cb_dma);
	mcp->mb[4] = 0;
	mcp->mb[5] = 0;
	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_0;
	mcp->in_mb = MBX_5|MBX_4|MBX_0;
	mcp->buf_size = size;
	mcp->flags = MBX_DMA_OUT;
	mcp->tov = 30;
	rval = qla2x00_mailbox_command(ha, mcp);

	if (rval != QLA_SUCCESS) {
		/*EMPTY*/
		DEBUG2_3_11(printk("qla2x00_init_firmware(%ld): failed=%x "
		    "mb0=%x.\n",
		    ha->host_no, rval, mcp->mb[0]);)
	} else {
		/*EMPTY*/
		DEBUG11(printk("qla2x00_init_firmware(%ld): done.\n",
		    ha->host_no);)
	}

	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 *ha, fc_port_t *fcport, uint8_t opt)
{
	int rval;
	mbx_cmd_t mc;
	mbx_cmd_t *mcp = &mc;
	port_database_t *pd;
	dma_addr_t pd_dma;

	DEBUG11(printk("qla2x00_get_port_database(%ld): entered.\n",
	    ha->host_no);)

	pd = pci_alloc_consistent(ha->pdev, PORT_DATABASE_SIZE, &pd_dma);
	if (pd  == NULL) {
		DEBUG2_3_11(printk("qla2x00_get_port_database(%ld): **** "
		    "Mem Alloc Failed ****", ha->host_no);)
		return QLA_MEMORY_ALLOC_FAILED;
	}
	memset(pd, 0, PORT_DATABASE_SIZE);

	if (opt != 0)
		mcp->mb[0] = MBC_ENHANCED_GET_PORT_DATABASE;
	else
		mcp->mb[0] = MBC_GET_PORT_DATABASE;
	mcp->out_mb = MBX_7|MBX_6|MBX_3|MBX_2|MBX_1|MBX_0;
	if (HAS_EXTENDED_IDS(ha)) {
		mcp->mb[1] = fcport->loop_id;
		mcp->mb[10] = opt;
		mcp->out_mb |= MBX_10;
	} else {
		mcp->mb[1] = fcport->loop_id << 8 | opt;
	}
	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->in_mb = MBX_0;
	mcp->buf_size = PORT_DATABASE_SIZE;
	mcp->flags = MBX_DMA_IN;
	mcp->tov = (ha->login_timeout * 2) + (ha->login_timeout / 2);
	rval = qla2x00_mailbox_command(ha, mcp);
	if (rval != QLA_SUCCESS)
		goto gpd_error_out;

	/* Check for logged in state. */
	if (pd->master_state != PD_STATE_PORT_LOGGED_IN &&
	    pd->slave_state != PD_STATE_PORT_LOGGED_IN) {
		rval = QLA_FUNCTION_FAILED;
		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.al_pa = pd->port_id[2];
	fcport->d_id.b.area = pd->port_id[3];
	fcport->d_id.b.domain = pd->port_id[0];
	fcport->d_id.b.rsvd_1 = 0;

	/* Check for device require authentication. */
	pd->common_features & BIT_5 ? (fcport->flags |= FCF_AUTH_REQ) :
	    (fcport->flags &= ~FCF_AUTH_REQ);

	/* 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;

gpd_error_out:
	pci_free_consistent(ha->pdev, PORT_DATABASE_SIZE, pd, pd_dma);

	if (rval != QLA_SUCCESS) {
		/*EMPTY*/
		DEBUG2_3_11(printk("qla2x00_get_port_database(%ld): "
		    "failed=%x.\n", ha->host_no, rval);)
	} else {
		/*EMPTY*/
		DEBUG11(printk("qla2x00_get_port_database(%ld): done.\n",
		    ha->host_no);)
	}

	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 *ha, uint16_t *dptr)
{
	int rval;
	mbx_cmd_t mc;
	mbx_cmd_t *mcp = &mc;

	DEBUG11(printk("qla2x00_get_firmware_state(%ld): entered.\n",
	    ha->host_no);)

	mcp->mb[0] = MBC_GET_FIRMWARE_STATE;
	mcp->out_mb = MBX_0;
	mcp->in_mb = MBX_2|MBX_1|MBX_0;
	mcp->tov = 30;
	mcp->flags = 0;
	rval = qla2x00_mailbox_command(ha, mcp);

	/* Return firmware state. */
	*dptr = mcp->mb[1];

	if (rval != QLA_SUCCESS) {
		/*EMPTY*/
		DEBUG2_3_11(printk("qla2x00_get_firmware_state(%ld): "
		    "failed=%x.\n", ha->host_no, rval);)
	} else {
		/*EMPTY*/
		DEBUG11(printk("qla2x00_get_firmware_state(%ld): done.\n",
		    ha->host_no);)
	}

	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 *ha, uint16_t loop_id, uint8_t *name,
    uint8_t opt)
{
	int rval;
	mbx_cmd_t mc;
	mbx_cmd_t *mcp = &mc;

	DEBUG11(printk("qla2x00_get_port_name(%ld): entered.\n",
	    ha->host_no);)

	mcp->mb[0] = MBC_GET_PORT_NAME;
	mcp->out_mb = 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->in_mb = MBX_7|MBX_6|MBX_3|MBX_2|MBX_1|MBX_0;
	mcp->tov = 30;
	mcp->flags = 0;
	rval = qla2x00_mailbox_command(ha, mcp);

	if (rval != QLA_SUCCESS) {
		/*EMPTY*/
		DEBUG2_3_11(printk("qla2x00_get_port_name(%ld): failed=%x.\n",
		    ha->host_no, rval);)
	} else {
		if (name != NULL) {
			/* This function returns name in big endian. */
			name[0] = LSB(mcp->mb[2]);
			name[1] = MSB(mcp->mb[2]);
			name[2] = LSB(mcp->mb[3]);
			name[3] = MSB(mcp->mb[3]);
			name[4] = LSB(mcp->mb[6]);
			name[5] = MSB(mcp->mb[6]);
			name[6] = LSB(mcp->mb[7]);
			name[7] = MSB(mcp->mb[7]);
		}

		DEBUG11(printk("qla2x00_get_port_name(%ld): done.\n",
		    ha->host_no);)
	}

	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.
 */
uint8_t
qla2x00_get_link_status(scsi_qla_host_t *ha, uint16_t loop_id,
    link_stat_t *ret_buf, uint16_t *status)
{
	int rval;
	mbx_cmd_t mc;
	mbx_cmd_t *mcp = &mc;
	link_stat_t *stat_buf;
	dma_addr_t phys_address = 0;


	DEBUG11(printk("qla2x00_get_link_status(%ld): entered.\n",
	    ha->host_no);)

	stat_buf = pci_alloc_consistent(ha->pdev, sizeof(link_stat_t),
	    &phys_address);
	if (stat_buf == NULL) {
		DEBUG2_3_11(printk("qla2x00_get_link_status(%ld): Failed to "
		    "allocate memory.\n", ha->host_no));
		return BIT_0;
	}
	memset(stat_buf, 0, sizeof(link_stat_t));

	mcp->mb[0] = MBC_GET_LINK_STATUS;
	mcp->out_mb = MBX_7|MBX_6|MBX_3|MBX_2|MBX_1|MBX_0;
	if (HAS_EXTENDED_IDS(ha)) {
		mcp->mb[1] = loop_id;
		mcp->mb[10] = 0;
		mcp->out_mb |= MBX_10;
	} else {
		mcp->mb[1] = loop_id << 8;
	}
	mcp->mb[2] = MSW(phys_address);
	mcp->mb[3] = LSW(phys_address);
	mcp->mb[6] = MSW(MSD(phys_address));
	mcp->mb[7] = LSW(MSD(phys_address));

	mcp->in_mb = MBX_0;
	mcp->tov = 30;
	mcp->flags = IOCTL_CMD;
	rval = qla2x00_mailbox_command(ha, mcp);

	if (rval == QLA_SUCCESS) {
		if (mcp->mb[0] != MBS_COMMAND_COMPLETE) {
			DEBUG2_3_11(printk("qla2x00_get_link_status(%ld): cmd "
			    "failed. mbx0=%x.\n", ha->host_no, mcp->mb[0]);)
			status[0] = mcp->mb[0];
			rval = BIT_1;
		} else {
			/* copy over data -- firmware data is LE. */
			ret_buf->link_fail_cnt =
			    le32_to_cpu(stat_buf->link_fail_cnt);
			ret_buf->loss_sync_cnt =
			    le32_to_cpu(stat_buf->loss_sync_cnt);
			ret_buf->loss_sig_cnt =
			    le32_to_cpu(stat_buf->loss_sig_cnt);
			ret_buf->prim_seq_err_cnt =
			    le32_to_cpu(stat_buf->prim_seq_err_cnt);
			ret_buf->inval_xmit_word_cnt =
			    le32_to_cpu(stat_buf->inval_xmit_word_cnt);
			ret_buf->inval_crc_cnt =
			    le32_to_cpu(stat_buf->inval_crc_cnt);

			DEBUG11(printk("qla2x00_get_link_status(%ld): stat "
			    "dump: fail_cnt=%d loss_sync=%d loss_sig=%d "
			    "seq_err=%d inval_xmt_word=%d inval_crc=%d.\n",
			    ha->host_no,
			    stat_buf->link_fail_cnt, stat_buf->loss_sync_cnt,
			    stat_buf->loss_sig_cnt, stat_buf->prim_seq_err_cnt,
			    stat_buf->inval_xmit_word_cnt,
			    stat_buf->inval_crc_cnt);)
		}
	} else {
		/* Failed. */
		DEBUG2_3_11(printk("qla2x00_get_link_status(%ld): failed=%x.\n",
		    ha->host_no, rval);)
		rval = BIT_1;
	}

	pci_free_consistent(ha->pdev, sizeof(link_stat_t), stat_buf,
	    phys_address);

	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 *ha)
{
	int rval;
	mbx_cmd_t mc;
	mbx_cmd_t *mcp = &mc;

	DEBUG11(printk("qla2x00_lip_reset(%ld): entered.\n",
	    ha->host_no);)

	mcp->mb[0] = MBC_LIP_RESET;
	mcp->out_mb = MBX_3|MBX_2|MBX_1|MBX_0;
	if (HAS_EXTENDED_IDS(ha)) {
		mcp->mb[1] = 0x00ff;
		mcp->mb[10] = 0;
		mcp->out_mb |= MBX_10;
	} else {
		mcp->mb[1] = 0xff00;
	}
	mcp->mb[2] = ha->loop_reset_delay;
	mcp->mb[3] = 0;

	mcp->in_mb = MBX_0;
	mcp->tov = 30;
	mcp->flags = 0;
	rval = qla2x00_mailbox_command(ha, mcp);

	if (rval != QLA_SUCCESS) {
		/*EMPTY*/
		DEBUG2_3_11(printk("qla2x00_lip_reset(%ld): failed=%x.\n",
		    ha->host_no, rval);)
	} else {
		/*EMPTY*/
		DEBUG11(printk("qla2x00_lip_reset(%ld): done.\n", ha->host_no);)
	}

	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 *ha, 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;

	DEBUG11(printk("qla2x00_send_sns(%ld): entered.\n",
	    ha->host_no);)

	DEBUG11(printk("qla2x00_send_sns: retry cnt=%d ratov=%d total "
	    "tov=%d.\n", ha->retry_count, ha->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 = (ha->login_timeout * 2) + (ha->login_timeout / 2);
	rval = qla2x00_mailbox_command(ha, mcp);

	if (rval != QLA_SUCCESS) {
		/*EMPTY*/
		DEBUG(printk("qla2x00_send_sns(%ld): failed=%x mb[0]=%x "
		    "mb[1]=%x.\n", ha->host_no, rval, mcp->mb[0], mcp->mb[1]);)
		DEBUG2_3_11(printk("qla2x00_send_sns(%ld): failed=%x mb[0]=%x "
		    "mb[1]=%x.\n", ha->host_no, rval, mcp->mb[0], mcp->mb[1]);)
	} else {
		/*EMPTY*/
		DEBUG11(printk("qla2x00_send_sns(%ld): done.\n", ha->host_no);)
	}

	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 *ha, 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;

	DEBUG11(printk("qla2x00_login_fabric(%ld): entered.\n", ha->host_no);)

	mcp->mb[0] = MBC_LOGIN_FABRIC_PORT;
	mcp->out_mb = MBX_3|MBX_2|MBX_1|MBX_0;