qla_gs.c

linux-2.6.15.6

		    sizeof(ms_iocb_entry_t));
		if (rval != QLA_SUCCESS) {
			/*EMPTY*/
			DEBUG2_3(printk("scsi(%ld): GNN_ID issue IOCB failed "
			    "(%d).\n", ha->host_no, rval));
		} else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp,
		    "GNN_ID") != QLA_SUCCESS) {
			rval = QLA_FUNCTION_FAILED;
		} else {
			/* Save nodename */
			memcpy(list[i].node_name,
			    ct_rsp->rsp.gnn_id.node_name, WWN_SIZE);

			DEBUG2_3(printk("scsi(%ld): GID_PT entry - "
			    "nn %02x%02x%02x%02x%02x%02x%02x%02x "
			    "pn %02x%02x%02x%02x%02x%02x%02x%02x "
			    "portid=%02x%02x%02x.\n",
			    ha->host_no,
			    list[i].node_name[0], list[i].node_name[1],
			    list[i].node_name[2], list[i].node_name[3],
			    list[i].node_name[4], list[i].node_name[5],
			    list[i].node_name[6], list[i].node_name[7],
			    list[i].port_name[0], list[i].port_name[1],
			    list[i].port_name[2], list[i].port_name[3],
			    list[i].port_name[4], list[i].port_name[5],
			    list[i].port_name[6], list[i].port_name[7],
			    list[i].d_id.b.domain, list[i].d_id.b.area,
			    list[i].d_id.b.al_pa));
		}

		/* Last device exit. */
		if (list[i].d_id.b.rsvd_1 != 0)
			break;
	}

	return (rval);
}

/**
 * qla2x00_rft_id() - SNS Register FC-4 TYPEs (RFT_ID) supported by the HBA.
 * @ha: HA context
 *
 * Returns 0 on success.
 */
int
qla2x00_rft_id(scsi_qla_host_t *ha)
{
	int		rval;

	ms_iocb_entry_t	*ms_pkt;
	struct ct_sns_req	*ct_req;
	struct ct_sns_rsp	*ct_rsp;

	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
		return (qla2x00_sns_rft_id(ha));
	}

	/* Issue RFT_ID */
	/* Prepare common MS IOCB */
	ms_pkt = ha->isp_ops.prep_ms_iocb(ha, RFT_ID_REQ_SIZE, RFT_ID_RSP_SIZE);

	/* Prepare CT request */
	ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, RFT_ID_CMD,
	    RFT_ID_RSP_SIZE);
	ct_rsp = &ha->ct_sns->p.rsp;

	/* Prepare CT arguments -- port_id, FC-4 types */
	ct_req->req.rft_id.port_id[0] = ha->d_id.b.domain;
	ct_req->req.rft_id.port_id[1] = ha->d_id.b.area;
	ct_req->req.rft_id.port_id[2] = ha->d_id.b.al_pa;

	ct_req->req.rft_id.fc4_types[2] = 0x01;		/* FCP-3 */

	/* Execute MS IOCB */
	rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
	    sizeof(ms_iocb_entry_t));
	if (rval != QLA_SUCCESS) {
		/*EMPTY*/
		DEBUG2_3(printk("scsi(%ld): RFT_ID issue IOCB failed (%d).\n",
		    ha->host_no, rval));
	} else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp, "RFT_ID") !=
	    QLA_SUCCESS) {
		rval = QLA_FUNCTION_FAILED;
	} else {
		DEBUG2(printk("scsi(%ld): RFT_ID exiting normally.\n",
		    ha->host_no));
	}

	return (rval);
}

/**
 * qla2x00_rff_id() - SNS Register FC-4 Features (RFF_ID) supported by the HBA.
 * @ha: HA context
 *
 * Returns 0 on success.
 */
int
qla2x00_rff_id(scsi_qla_host_t *ha)
{
	int		rval;

	ms_iocb_entry_t	*ms_pkt;
	struct ct_sns_req	*ct_req;
	struct ct_sns_rsp	*ct_rsp;

	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
		DEBUG2(printk("scsi(%ld): RFF_ID call unsupported on "
		    "ISP2100/ISP2200.\n", ha->host_no));
		return (QLA_SUCCESS);
	}

	/* Issue RFF_ID */
	/* Prepare common MS IOCB */
	ms_pkt = ha->isp_ops.prep_ms_iocb(ha, RFF_ID_REQ_SIZE, RFF_ID_RSP_SIZE);

	/* Prepare CT request */
	ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, RFF_ID_CMD,
	    RFF_ID_RSP_SIZE);
	ct_rsp = &ha->ct_sns->p.rsp;

	/* Prepare CT arguments -- port_id, FC-4 feature, FC-4 type */
	ct_req->req.rff_id.port_id[0] = ha->d_id.b.domain;
	ct_req->req.rff_id.port_id[1] = ha->d_id.b.area;
	ct_req->req.rff_id.port_id[2] = ha->d_id.b.al_pa;

	ct_req->req.rff_id.fc4_type = 0x08;		/* SCSI - FCP */

	/* Execute MS IOCB */
	rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
	    sizeof(ms_iocb_entry_t));
	if (rval != QLA_SUCCESS) {
		/*EMPTY*/
		DEBUG2_3(printk("scsi(%ld): RFF_ID issue IOCB failed (%d).\n",
		    ha->host_no, rval));
	} else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp, "RFF_ID") !=
	    QLA_SUCCESS) {
		rval = QLA_FUNCTION_FAILED;
	} else {
		DEBUG2(printk("scsi(%ld): RFF_ID exiting normally.\n",
		    ha->host_no));
	}

	return (rval);
}

/**
 * qla2x00_rnn_id() - SNS Register Node Name (RNN_ID) of the HBA.
 * @ha: HA context
 *
 * Returns 0 on success.
 */
int
qla2x00_rnn_id(scsi_qla_host_t *ha)
{
	int		rval;

	ms_iocb_entry_t	*ms_pkt;
	struct ct_sns_req	*ct_req;
	struct ct_sns_rsp	*ct_rsp;

	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
		return (qla2x00_sns_rnn_id(ha));
	}

	/* Issue RNN_ID */
	/* Prepare common MS IOCB */
	ms_pkt = ha->isp_ops.prep_ms_iocb(ha, RNN_ID_REQ_SIZE, RNN_ID_RSP_SIZE);

	/* Prepare CT request */
	ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, RNN_ID_CMD,
	    RNN_ID_RSP_SIZE);
	ct_rsp = &ha->ct_sns->p.rsp;

	/* Prepare CT arguments -- port_id, node_name */
	ct_req->req.rnn_id.port_id[0] = ha->d_id.b.domain;
	ct_req->req.rnn_id.port_id[1] = ha->d_id.b.area;
	ct_req->req.rnn_id.port_id[2] = ha->d_id.b.al_pa;

	memcpy(ct_req->req.rnn_id.node_name, ha->node_name, WWN_SIZE);

	/* Execute MS IOCB */
	rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
	    sizeof(ms_iocb_entry_t));
	if (rval != QLA_SUCCESS) {
		/*EMPTY*/
		DEBUG2_3(printk("scsi(%ld): RNN_ID issue IOCB failed (%d).\n",
		    ha->host_no, rval));
	} else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp, "RNN_ID") !=
	    QLA_SUCCESS) {
		rval = QLA_FUNCTION_FAILED;
	} else {
		DEBUG2(printk("scsi(%ld): RNN_ID exiting normally.\n",
		    ha->host_no));
	}

	return (rval);
}

/**
 * qla2x00_rsnn_nn() - SNS Register Symbolic Node Name (RSNN_NN) of the HBA.
 * @ha: HA context
 *
 * Returns 0 on success.
 */
int
qla2x00_rsnn_nn(scsi_qla_host_t *ha)
{
	int		rval;
	uint8_t		*snn;
	uint8_t		version[20];

	ms_iocb_entry_t	*ms_pkt;
	struct ct_sns_req	*ct_req;
	struct ct_sns_rsp	*ct_rsp;

	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
		DEBUG2(printk("scsi(%ld): RSNN_ID call unsupported on "
		    "ISP2100/ISP2200.\n", ha->host_no));
		return (QLA_SUCCESS);
	}

	/* Issue RSNN_NN */
	/* Prepare common MS IOCB */
	/*   Request size adjusted after CT preparation */
	ms_pkt = ha->isp_ops.prep_ms_iocb(ha, 0, RSNN_NN_RSP_SIZE);

	/* Prepare CT request */
	ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, RSNN_NN_CMD,
	    RSNN_NN_RSP_SIZE);
	ct_rsp = &ha->ct_sns->p.rsp;

	/* Prepare CT arguments -- node_name, symbolic node_name, size */
	memcpy(ct_req->req.rsnn_nn.node_name, ha->node_name, WWN_SIZE);

	/* Prepare the Symbolic Node Name */
	/* Board type */
	snn = ct_req->req.rsnn_nn.sym_node_name;
	strcpy(snn, ha->model_number);
	/* Firmware version */
	strcat(snn, " FW:v");
	sprintf(version, "%d.%02d.%02d", ha->fw_major_version,
	    ha->fw_minor_version, ha->fw_subminor_version);
	strcat(snn, version);
	/* Driver version */
	strcat(snn, " DVR:v");
	strcat(snn, qla2x00_version_str);

	/* Calculate SNN length */
	ct_req->req.rsnn_nn.name_len = (uint8_t)strlen(snn);

	/* Update MS IOCB request */
	ms_pkt->req_bytecount =
	    cpu_to_le32(24 + 1 + ct_req->req.rsnn_nn.name_len);
	ms_pkt->dseg_req_length = ms_pkt->req_bytecount;

	/* Execute MS IOCB */
	rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
	    sizeof(ms_iocb_entry_t));
	if (rval != QLA_SUCCESS) {
		/*EMPTY*/
		DEBUG2_3(printk("scsi(%ld): RSNN_NN issue IOCB failed (%d).\n",
		    ha->host_no, rval));
	} else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp, "RSNN_NN") !=
	    QLA_SUCCESS) {
		rval = QLA_FUNCTION_FAILED;
	} else {
		DEBUG2(printk("scsi(%ld): RSNN_NN exiting normally.\n",
		    ha->host_no));
	}

	return (rval);
}


/**
 * qla2x00_prep_sns_cmd() - Prepare common SNS command request fields for query.
 * @ha: HA context
 * @cmd: GS command
 * @scmd_len: Subcommand length
 * @data_size: response size in bytes
 *
 * Returns a pointer to the @ha's sns_cmd.
 */
static inline struct sns_cmd_pkt *
qla2x00_prep_sns_cmd(scsi_qla_host_t *ha, uint16_t cmd, uint16_t scmd_len,
    uint16_t data_size)
{
	uint16_t		wc;
	struct sns_cmd_pkt	*sns_cmd;

	sns_cmd = ha->sns_cmd;
	memset(sns_cmd, 0, sizeof(struct sns_cmd_pkt));
	wc = data_size / 2;			/* Size in 16bit words. */
	sns_cmd->p.cmd.buffer_length = cpu_to_le16(wc);
	sns_cmd->p.cmd.buffer_address[0] = cpu_to_le32(LSD(ha->sns_cmd_dma));
	sns_cmd->p.cmd.buffer_address[1] = cpu_to_le32(MSD(ha->sns_cmd_dma));
	sns_cmd->p.cmd.subcommand_length = cpu_to_le16(scmd_len);
	sns_cmd->p.cmd.subcommand = cpu_to_le16(cmd);
	wc = (data_size - 16) / 4;		/* Size in 32bit words. */
	sns_cmd->p.cmd.size = cpu_to_le16(wc);

	return (sns_cmd);
}

/**
 * qla2x00_sns_ga_nxt() - SNS scan for fabric devices via GA_NXT command.
 * @ha: HA context
 * @fcport: fcport entry to updated
 *
 * This command uses the old Exectute SNS Command mailbox routine.
 *
 * Returns 0 on success.
 */
static int
qla2x00_sns_ga_nxt(scsi_qla_host_t *ha, fc_port_t *fcport)
{
	int		rval;

	struct sns_cmd_pkt	*sns_cmd;

	/* Issue GA_NXT. */
	/* Prepare SNS command request. */
	sns_cmd = qla2x00_prep_sns_cmd(ha, GA_NXT_CMD, GA_NXT_SNS_SCMD_LEN,
	    GA_NXT_SNS_DATA_SIZE);

	/* Prepare SNS command arguments -- port_id. */
	sns_cmd->p.cmd.param[0] = fcport->d_id.b.al_pa;
	sns_cmd->p.cmd.param[1] = fcport->d_id.b.area;
	sns_cmd->p.cmd.param[2] = fcport->d_id.b.domain;

	/* Execute SNS command. */
	rval = qla2x00_send_sns(ha, ha->sns_cmd_dma, GA_NXT_SNS_CMD_SIZE / 2,
	    sizeof(struct sns_cmd_pkt));
	if (rval != QLA_SUCCESS) {
		/*EMPTY*/
		DEBUG2_3(printk("scsi(%ld): GA_NXT Send SNS failed (%d).\n",
		    ha->host_no, rval));
	} else if (sns_cmd->p.gan_data[8] != 0x80 ||
	    sns_cmd->p.gan_data[9] != 0x02) {
		DEBUG2_3(printk("scsi(%ld): GA_NXT failed, rejected request, "
		    "ga_nxt_rsp:\n", ha->host_no));
		DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.gan_data, 16));
		rval = QLA_FUNCTION_FAILED;
	} else {
		/* Populate fc_port_t entry. */
		fcport->d_id.b.domain = sns_cmd->p.gan_data[17];
		fcport->d_id.b.area = sns_cmd->p.gan_data[18];
		fcport->d_id.b.al_pa = sns_cmd->p.gan_data[19];

		memcpy(fcport->node_name, &sns_cmd->p.gan_data[284], WWN_SIZE);
		memcpy(fcport->port_name, &sns_cmd->p.gan_data[20], WWN_SIZE);

		if (sns_cmd->p.gan_data[16] != NS_N_PORT_TYPE &&
		    sns_cmd->p.gan_data[16] != NS_NL_PORT_TYPE)
			fcport->d_id.b.domain = 0xf0;

		DEBUG2_3(printk("scsi(%ld): GA_NXT entry - "
		    "nn %02x%02x%02x%02x%02x%02x%02x%02x "
		    "pn %02x%02x%02x%02x%02x%02x%02x%02x "
		    "portid=%02x%02x%02x.\n",
		    ha->host_no,
		    fcport->node_name[0], fcport->node_name[1],
		    fcport->node_name[2], fcport->node_name[3],
		    fcport->node_name[4], fcport->node_name[5],
		    fcport->node_name[6], fcport->node_name[7],
		    fcport->port_name[0], fcport->port_name[1],
		    fcport->port_name[2], fcport->port_name[3],
		    fcport->port_name[4], fcport->port_name[5],
		    fcport->port_name[6], fcport->port_name[7],
		    fcport->d_id.b.domain, fcport->d_id.b.area,
		    fcport->d_id.b.al_pa));
	}

	return (rval);
}

/**
 * qla2x00_sns_gid_pt() - SNS scan for fabric devices via GID_PT command.
 * @ha: HA context
 * @list: switch info entries to populate
 *
 * This command uses the old Exectute SNS Command mailbox routine.
 *
 * NOTE: Non-Nx_Ports are not requested.
 *
 * Returns 0 on success.
 */
static int
qla2x00_sns_gid_pt(scsi_qla_host_t *ha, sw_info_t *list)
{
	int		rval;

	uint16_t	i;
	uint8_t		*entry;
	struct sns_cmd_pkt	*sns_cmd;

	/* Issue GID_PT. */
	/* Prepare SNS command request. */
	sns_cmd = qla2x00_prep_sns_cmd(ha, GID_PT_CMD, GID_PT_SNS_SCMD_LEN,
	    GID_PT_SNS_DATA_SIZE);

	/* Prepare SNS command arguments -- port_type. */
	sns_cmd->p.cmd.param[0] = NS_NX_PORT_TYPE;

	/* Execute SNS command. */
	rval = qla2x00_send_sns(ha, ha->sns_cmd_dma, GID_PT_SNS_CMD_SIZE / 2,
	    sizeof(struct sns_cmd_pkt));
	if (rval != QLA_SUCCESS) {
		/*EMPTY*/
		DEBUG2_3(printk("scsi(%ld): GID_PT Send SNS failed (%d).\n",
		    ha->host_no, rval));
	} else if (sns_cmd->p.gid_data[8] != 0x80 ||
	    sns_cmd->p.gid_data[9] != 0x02) {