qla_mbx.c

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 *	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;
	struct port_database_24xx *pd24;
	dma_addr_t pd_dma;

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

	pd24 = NULL;
	pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &pd_dma);
	if (pd  == NULL) {
		DEBUG2_3(printk("%s(%ld): failed to allocate Port Database "
		    "structure.\n", __func__, ha->host_no));
		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] = ha->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(ha, mcp);
	if (rval != QLA_SUCCESS)
		goto gpd_error_out;

	if (IS_FWI2_CAPABLE(ha)) {
		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) {
			DEBUG2(printk("%s(%ld): Unable to verify "
			    "login-state (%x/%x) for loop_id %x\n",
			    __func__, ha->host_no,
			    pd24->current_login_state,
			    pd24->last_login_state, fcport->loop_id));
			rval = QLA_FUNCTION_FAILED;
			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;
	} else {
		/* 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.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;

		/* 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;

		/* 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) {
		DEBUG2_3_11(printk("%s(%ld): failed=%x mb[0]=%x mb[1]=%x.\n",
		    __func__, ha->host_no, rval, mcp->mb[0], mcp->mb[1]));
	} else {
		DEBUG11(printk("%s(%ld): done.\n", __func__, 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->mb[9] = ha->vp_idx;
	mcp->out_mb = MBX_9|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] = 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]);
		}

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

	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("%s(%ld): entered.\n", __func__, ha->host_no));

	if (IS_FWI2_CAPABLE(ha)) {
		mcp->mb[0] = MBC_LIP_FULL_LOGIN;
		mcp->mb[1] = BIT_6;
		mcp->mb[2] = 0;
		mcp->mb[3] = ha->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(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("%s(%ld): failed=%x.\n",
		    __func__, ha->host_no, rval));
	} else {
		/*EMPTY*/
		DEBUG11(printk("%s(%ld): done.\n", __func__, 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;
}

int
qla24xx_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;

	struct logio_entry_24xx *lg;
	dma_addr_t	lg_dma;
	uint32_t	iop[2];

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

	lg = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &lg_dma);
	if (lg == NULL) {
		DEBUG2_3(printk("%s(%ld): failed to allocate Login IOCB.\n",
		    __func__, ha->host_no));
		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->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 = cpu_to_le16(ha->vp_idx);
	rval = qla2x00_issue_iocb(ha, lg, lg_dma, 0);
	if (rval != QLA_SUCCESS) {
		DEBUG2_3_11(printk("%s(%ld): failed to issue Login IOCB "
		    "(%x).\n", __func__, ha->host_no, rval));
	} else if (lg->entry_status != 0) {
		DEBUG2_3_11(printk("%s(%ld): failed to complete IOCB "
		    "-- error status (%x).\n", __func__, ha->host_no,
		    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]);

		DEBUG2_3_11(printk("%s(%ld): failed to complete IOCB "
		    "-- completion status (%x)  ioparam=%x/%x.\n", __func__,
		    ha->host_no, 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 {
		DEBUG11(printk("%s(%ld): done.\n", __func__, ha->host_no));

		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. */
	}

	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 *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;
	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(ha, 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