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authorLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 15:20:36 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 15:20:36 -0700
commit1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch)
tree0bba044c4ce775e45a88a51686b5d9f90697ea9d /drivers/scsi/qla2xxx/qla_gs.c
Linux-2.6.12-rc2v2.6.12-rc2
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_gs.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_gs.c1059
1 files changed, 1059 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_gs.c b/drivers/scsi/qla2xxx/qla_gs.c
new file mode 100644
index 000000000000..531dad95896c
--- /dev/null
+++ b/drivers/scsi/qla2xxx/qla_gs.c
@@ -0,0 +1,1059 @@
+/*
+ * QLOGIC LINUX SOFTWARE
+ *
+ * QLogic ISP2x00 device driver for Linux 2.6.x
+ * Copyright (C) 2003-2004 QLogic Corporation
+ * (www.qlogic.com)
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ */
+#include "qla_def.h"
+
+static inline ms_iocb_entry_t *
+qla2x00_prep_ms_iocb(scsi_qla_host_t *, uint32_t, uint32_t);
+
+static inline struct ct_sns_req *
+qla2x00_prep_ct_req(struct ct_sns_req *, uint16_t, uint16_t);
+
+static inline struct sns_cmd_pkt *
+qla2x00_prep_sns_cmd(scsi_qla_host_t *, uint16_t, uint16_t, uint16_t);
+
+static int qla2x00_sns_ga_nxt(scsi_qla_host_t *, fc_port_t *);
+static int qla2x00_sns_gid_pt(scsi_qla_host_t *, sw_info_t *);
+static int qla2x00_sns_gpn_id(scsi_qla_host_t *, sw_info_t *);
+static int qla2x00_sns_gnn_id(scsi_qla_host_t *, sw_info_t *);
+static int qla2x00_sns_rft_id(scsi_qla_host_t *);
+static int qla2x00_sns_rnn_id(scsi_qla_host_t *);
+
+/**
+ * qla2x00_prep_ms_iocb() - Prepare common MS IOCB fields for SNS CT query.
+ * @ha: HA context
+ * @req_size: request size in bytes
+ * @rsp_size: response size in bytes
+ *
+ * Returns a pointer to the @ha's ms_iocb.
+ */
+static inline ms_iocb_entry_t *
+qla2x00_prep_ms_iocb(scsi_qla_host_t *ha, uint32_t req_size, uint32_t rsp_size)
+{
+ ms_iocb_entry_t *ms_pkt;
+
+ ms_pkt = ha->ms_iocb;
+ memset(ms_pkt, 0, sizeof(ms_iocb_entry_t));
+
+ ms_pkt->entry_type = MS_IOCB_TYPE;
+ ms_pkt->entry_count = 1;
+ SET_TARGET_ID(ha, ms_pkt->loop_id, SIMPLE_NAME_SERVER);
+ ms_pkt->control_flags = __constant_cpu_to_le16(CF_READ | CF_HEAD_TAG);
+ ms_pkt->timeout = __constant_cpu_to_le16(25);
+ ms_pkt->cmd_dsd_count = __constant_cpu_to_le16(1);
+ ms_pkt->total_dsd_count = __constant_cpu_to_le16(2);
+ ms_pkt->rsp_bytecount = cpu_to_le32(rsp_size);
+ ms_pkt->req_bytecount = cpu_to_le32(req_size);
+
+ ms_pkt->dseg_req_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
+ ms_pkt->dseg_req_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
+ ms_pkt->dseg_req_length = ms_pkt->req_bytecount;
+
+ ms_pkt->dseg_rsp_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
+ ms_pkt->dseg_rsp_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
+ ms_pkt->dseg_rsp_length = ms_pkt->rsp_bytecount;
+
+ return (ms_pkt);
+}
+
+/**
+ * qla2x00_prep_ct_req() - Prepare common CT request fields for SNS query.
+ * @ct_req: CT request buffer
+ * @cmd: GS command
+ * @rsp_size: response size in bytes
+ *
+ * Returns a pointer to the intitialized @ct_req.
+ */
+static inline struct ct_sns_req *
+qla2x00_prep_ct_req(struct ct_sns_req *ct_req, uint16_t cmd, uint16_t rsp_size)
+{
+ memset(ct_req, 0, sizeof(struct ct_sns_pkt));
+
+ ct_req->header.revision = 0x01;
+ ct_req->header.gs_type = 0xFC;
+ ct_req->header.gs_subtype = 0x02;
+ ct_req->command = cpu_to_be16(cmd);
+ ct_req->max_rsp_size = cpu_to_be16((rsp_size - 16) / 4);
+
+ return (ct_req);
+}
+
+
+/**
+ * qla2x00_ga_nxt() - SNS scan for fabric devices via GA_NXT command.
+ * @ha: HA context
+ * @fcport: fcport entry to updated
+ *
+ * Returns 0 on success.
+ */
+int
+qla2x00_ga_nxt(scsi_qla_host_t *ha, fc_port_t *fcport)
+{
+ 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_ga_nxt(ha, fcport));
+ }
+
+ /* Issue GA_NXT */
+ /* Prepare common MS IOCB */
+ ms_pkt = qla2x00_prep_ms_iocb(ha, GA_NXT_REQ_SIZE, GA_NXT_RSP_SIZE);
+
+ /* Prepare CT request */
+ ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, GA_NXT_CMD,
+ GA_NXT_RSP_SIZE);
+ ct_rsp = &ha->ct_sns->p.rsp;
+
+ /* Prepare CT arguments -- port_id */
+ ct_req->req.port_id.port_id[0] = fcport->d_id.b.domain;
+ ct_req->req.port_id.port_id[1] = fcport->d_id.b.area;
+ ct_req->req.port_id.port_id[2] = fcport->d_id.b.al_pa;
+
+ /* 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): GA_NXT issue IOCB failed (%d).\n",
+ ha->host_no, rval));
+ } else if (ct_rsp->header.response !=
+ __constant_cpu_to_be16(CT_ACCEPT_RESPONSE)) {
+ DEBUG2_3(printk("scsi(%ld): GA_NXT failed, rejected request, "
+ "ga_nxt_rsp:\n", ha->host_no));
+ DEBUG2_3(qla2x00_dump_buffer((uint8_t *)&ct_rsp->header,
+ sizeof(struct ct_rsp_hdr)));
+ rval = QLA_FUNCTION_FAILED;
+ } else {
+ /* Populate fc_port_t entry. */
+ fcport->d_id.b.domain = ct_rsp->rsp.ga_nxt.port_id[0];
+ fcport->d_id.b.area = ct_rsp->rsp.ga_nxt.port_id[1];
+ fcport->d_id.b.al_pa = ct_rsp->rsp.ga_nxt.port_id[2];
+
+ memcpy(fcport->node_name, ct_rsp->rsp.ga_nxt.node_name,
+ WWN_SIZE);
+ memcpy(fcport->port_name, ct_rsp->rsp.ga_nxt.port_name,
+ WWN_SIZE);
+
+ if (ct_rsp->rsp.ga_nxt.port_type != NS_N_PORT_TYPE &&
+ ct_rsp->rsp.ga_nxt.port_type != 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_gid_pt() - SNS scan for fabric devices via GID_PT command.
+ * @ha: HA context
+ * @list: switch info entries to populate
+ *
+ * NOTE: Non-Nx_Ports are not requested.
+ *
+ * Returns 0 on success.
+ */
+int
+qla2x00_gid_pt(scsi_qla_host_t *ha, sw_info_t *list)
+{
+ int rval;
+ uint16_t i;
+
+ ms_iocb_entry_t *ms_pkt;
+ struct ct_sns_req *ct_req;
+ struct ct_sns_rsp *ct_rsp;
+
+ struct ct_sns_gid_pt_data *gid_data;
+
+ if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
+ return (qla2x00_sns_gid_pt(ha, list));
+ }
+
+ gid_data = NULL;
+
+ /* Issue GID_PT */
+ /* Prepare common MS IOCB */
+ ms_pkt = qla2x00_prep_ms_iocb(ha, GID_PT_REQ_SIZE, GID_PT_RSP_SIZE);
+
+ /* Prepare CT request */
+ ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, GID_PT_CMD,
+ GID_PT_RSP_SIZE);
+ ct_rsp = &ha->ct_sns->p.rsp;
+
+ /* Prepare CT arguments -- port_type */
+ ct_req->req.gid_pt.port_type = NS_NX_PORT_TYPE;
+
+ /* 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): GID_PT issue IOCB failed (%d).\n",
+ ha->host_no, rval));
+ } else if (ct_rsp->header.response !=
+ __constant_cpu_to_be16(CT_ACCEPT_RESPONSE)) {
+ DEBUG2_3(printk("scsi(%ld): GID_PT failed, rejected request, "
+ "gid_pt_rsp:\n", ha->host_no));
+ DEBUG2_3(qla2x00_dump_buffer((uint8_t *)&ct_rsp->header,
+ sizeof(struct ct_rsp_hdr)));
+ rval = QLA_FUNCTION_FAILED;
+ } else {
+ /* Set port IDs in switch info list. */
+ for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
+ gid_data = &ct_rsp->rsp.gid_pt.entries[i];
+ list[i].d_id.b.domain = gid_data->port_id[0];
+ list[i].d_id.b.area = gid_data->port_id[1];
+ list[i].d_id.b.al_pa = gid_data->port_id[2];
+
+ /* Last one exit. */
+ if (gid_data->control_byte & BIT_7) {
+ list[i].d_id.b.rsvd_1 = gid_data->control_byte;
+ break;
+ }
+ }
+
+ /*
+ * If we've used all available slots, then the switch is
+ * reporting back more devices than we can handle with this
+ * single call. Return a failed status, and let GA_NXT handle
+ * the overload.
+ */
+ if (i == MAX_FIBRE_DEVICES)
+ rval = QLA_FUNCTION_FAILED;
+ }
+
+ return (rval);
+}
+
+/**
+ * qla2x00_gpn_id() - SNS Get Port Name (GPN_ID) query.
+ * @ha: HA context
+ * @list: switch info entries to populate
+ *
+ * Returns 0 on success.
+ */
+int
+qla2x00_gpn_id(scsi_qla_host_t *ha, sw_info_t *list)
+{
+ int rval;
+ uint16_t i;
+
+ 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_gpn_id(ha, list));
+ }
+
+ for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
+ /* Issue GPN_ID */
+ /* Prepare common MS IOCB */
+ ms_pkt = qla2x00_prep_ms_iocb(ha, GPN_ID_REQ_SIZE,
+ GPN_ID_RSP_SIZE);
+
+ /* Prepare CT request */
+ ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, GPN_ID_CMD,
+ GPN_ID_RSP_SIZE);
+ ct_rsp = &ha->ct_sns->p.rsp;
+
+ /* Prepare CT arguments -- port_id */
+ ct_req->req.port_id.port_id[0] = list[i].d_id.b.domain;
+ ct_req->req.port_id.port_id[1] = list[i].d_id.b.area;
+ ct_req->req.port_id.port_id[2] = list[i].d_id.b.al_pa;
+
+ /* 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): GPN_ID issue IOCB failed "
+ "(%d).\n", ha->host_no, rval));
+ } else if (ct_rsp->header.response !=
+ __constant_cpu_to_be16(CT_ACCEPT_RESPONSE)) {
+ DEBUG2_3(printk("scsi(%ld): GPN_ID failed, rejected "
+ "request, gpn_id_rsp:\n", ha->host_no));
+ DEBUG2_3(qla2x00_dump_buffer((uint8_t *)&ct_rsp->header,
+ sizeof(struct ct_rsp_hdr)));
+ rval = QLA_FUNCTION_FAILED;
+ } else {
+ /* Save portname */
+ memcpy(list[i].port_name,
+ ct_rsp->rsp.gpn_id.port_name, WWN_SIZE);
+ }
+
+ /* Last device exit. */
+ if (list[i].d_id.b.rsvd_1 != 0)
+ break;
+ }
+
+ return (rval);
+}
+
+/**
+ * qla2x00_gnn_id() - SNS Get Node Name (GNN_ID) query.
+ * @ha: HA context
+ * @list: switch info entries to populate
+ *
+ * Returns 0 on success.
+ */
+int
+qla2x00_gnn_id(scsi_qla_host_t *ha, sw_info_t *list)
+{
+ int rval;
+ uint16_t i;
+
+ 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_gnn_id(ha, list));
+ }
+
+ for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
+ /* Issue GNN_ID */
+ /* Prepare common MS IOCB */
+ ms_pkt = qla2x00_prep_ms_iocb(ha, GNN_ID_REQ_SIZE,
+ GNN_ID_RSP_SIZE);
+
+ /* Prepare CT request */
+ ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, GNN_ID_CMD,
+ GNN_ID_RSP_SIZE);
+ ct_rsp = &ha->ct_sns->p.rsp;
+
+ /* Prepare CT arguments -- port_id */
+ ct_req->req.port_id.port_id[0] = list[i].d_id.b.domain;
+ ct_req->req.port_id.port_id[1] = list[i].d_id.b.area;
+ ct_req->req.port_id.port_id[2] = list[i].d_id.b.al_pa;
+
+ /* 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): GNN_ID issue IOCB failed "
+ "(%d).\n", ha->host_no, rval));
+ } else if (ct_rsp->header.response !=
+ __constant_cpu_to_be16(CT_ACCEPT_RESPONSE)) {
+ DEBUG2_3(printk("scsi(%ld): GNN_ID failed, rejected "
+ "request, gnn_id_rsp:\n", ha->host_no));
+ DEBUG2_3(qla2x00_dump_buffer((uint8_t *)&ct_rsp->header,
+ sizeof(struct ct_rsp_hdr)));
+ 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 = qla2x00_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 (ct_rsp->header.response !=
+ __constant_cpu_to_be16(CT_ACCEPT_RESPONSE)) {
+ DEBUG2_3(printk("scsi(%ld): RFT_ID failed, rejected "
+ "request, rft_id_rsp:\n", ha->host_no));
+ DEBUG2_3(qla2x00_dump_buffer((uint8_t *)&ct_rsp->header,
+ sizeof(struct ct_rsp_hdr)));
+ 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 = qla2x00_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 (ct_rsp->header.response !=
+ __constant_cpu_to_be16(CT_ACCEPT_RESPONSE)) {
+ DEBUG2_3(printk("scsi(%ld): RFF_ID failed, rejected "
+ "request, rff_id_rsp:\n", ha->host_no));
+ DEBUG2_3(qla2x00_dump_buffer((uint8_t *)&ct_rsp->header,
+ sizeof(struct ct_rsp_hdr)));
+ 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 = qla2x00_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->init_cb->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 (ct_rsp->header.response !=
+ __constant_cpu_to_be16(CT_ACCEPT_RESPONSE)) {
+ DEBUG2_3(printk("scsi(%ld): RNN_ID failed, rejected "
+ "request, rnn_id_rsp:\n", ha->host_no));
+ DEBUG2_3(qla2x00_dump_buffer((uint8_t *)&ct_rsp->header,
+ sizeof(struct ct_rsp_hdr)));
+ 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 = qla2x00_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->init_cb->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 (ct_rsp->header.response !=
+ __constant_cpu_to_be16(CT_ACCEPT_RESPONSE)) {
+ DEBUG2_3(printk("scsi(%ld): RSNN_NN failed, rejected "
+ "request, rsnn_id_rsp:\n", ha->host_no));
+ DEBUG2_3(qla2x00_dump_buffer((uint8_t *)&ct_rsp->header,
+ sizeof(struct ct_rsp_hdr)));
+ 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) {
+ DEBUG2_3(printk("scsi(%ld): GID_PT failed, rejected request, "
+ "gid_rsp:\n", ha->host_no));
+ DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.gid_data, 16));
+ rval = QLA_FUNCTION_FAILED;
+ } else {
+ /* Set port IDs in switch info list. */
+ for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
+ entry = &sns_cmd->p.gid_data[(i * 4) + 16];
+ list[i].d_id.b.domain = entry[1];
+ list[i].d_id.b.area = entry[2];
+ list[i].d_id.b.al_pa = entry[3];
+
+ /* Last one exit. */
+ if (entry[0] & BIT_7) {
+ list[i].d_id.b.rsvd_1 = entry[0];
+ break;
+ }
+ }
+
+ /*
+ * If we've used all available slots, then the switch is
+ * reporting back more devices that we can handle with this
+ * single call. Return a failed status, and let GA_NXT handle
+ * the overload.
+ */
+ if (i == MAX_FIBRE_DEVICES)
+ rval = QLA_FUNCTION_FAILED;
+ }
+
+ return (rval);
+}
+
+/**
+ * qla2x00_sns_gpn_id() - SNS Get Port Name (GPN_ID) query.
+ * @ha: HA context
+ * @list: switch info entries to populate
+ *
+ * This command uses the old Exectute SNS Command mailbox routine.
+ *
+ * Returns 0 on success.
+ */
+static int
+qla2x00_sns_gpn_id(scsi_qla_host_t *ha, sw_info_t *list)
+{
+ int rval;
+
+ uint16_t i;
+ struct sns_cmd_pkt *sns_cmd;
+
+ for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
+ /* Issue GPN_ID */
+ /* Prepare SNS command request. */
+ sns_cmd = qla2x00_prep_sns_cmd(ha, GPN_ID_CMD,
+ GPN_ID_SNS_SCMD_LEN, GPN_ID_SNS_DATA_SIZE);
+
+ /* Prepare SNS command arguments -- port_id. */
+ sns_cmd->p.cmd.param[0] = list[i].d_id.b.al_pa;
+ sns_cmd->p.cmd.param[1] = list[i].d_id.b.area;
+ sns_cmd->p.cmd.param[2] = list[i].d_id.b.domain;
+
+ /* Execute SNS command. */
+ rval = qla2x00_send_sns(ha, ha->sns_cmd_dma,
+ GPN_ID_SNS_CMD_SIZE / 2, sizeof(struct sns_cmd_pkt));
+ if (rval != QLA_SUCCESS) {
+ /*EMPTY*/
+ DEBUG2_3(printk("scsi(%ld): GPN_ID Send SNS failed "
+ "(%d).\n", ha->host_no, rval));
+ } else if (sns_cmd->p.gpn_data[8] != 0x80 ||
+ sns_cmd->p.gpn_data[9] != 0x02) {
+ DEBUG2_3(printk("scsi(%ld): GPN_ID failed, rejected "
+ "request, gpn_rsp:\n", ha->host_no));
+ DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.gpn_data, 16));
+ rval = QLA_FUNCTION_FAILED;
+ } else {
+ /* Save portname */
+ memcpy(list[i].port_name, &sns_cmd->p.gpn_data[16],
+ WWN_SIZE);
+ }
+
+ /* Last device exit. */
+ if (list[i].d_id.b.rsvd_1 != 0)
+ break;
+ }
+
+ return (rval);
+}
+
+/**
+ * qla2x00_sns_gnn_id() - SNS Get Node Name (GNN_ID) query.
+ * @ha: HA context
+ * @list: switch info entries to populate
+ *
+ * This command uses the old Exectute SNS Command mailbox routine.
+ *
+ * Returns 0 on success.
+ */
+static int
+qla2x00_sns_gnn_id(scsi_qla_host_t *ha, sw_info_t *list)
+{
+ int rval;
+
+ uint16_t i;
+ struct sns_cmd_pkt *sns_cmd;
+
+ for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
+ /* Issue GNN_ID */
+ /* Prepare SNS command request. */
+ sns_cmd = qla2x00_prep_sns_cmd(ha, GNN_ID_CMD,
+ GNN_ID_SNS_SCMD_LEN, GNN_ID_SNS_DATA_SIZE);
+
+ /* Prepare SNS command arguments -- port_id. */
+ sns_cmd->p.cmd.param[0] = list[i].d_id.b.al_pa;
+ sns_cmd->p.cmd.param[1] = list[i].d_id.b.area;
+ sns_cmd->p.cmd.param[2] = list[i].d_id.b.domain;
+
+ /* Execute SNS command. */
+ rval = qla2x00_send_sns(ha, ha->sns_cmd_dma,
+ GNN_ID_SNS_CMD_SIZE / 2, sizeof(struct sns_cmd_pkt));
+ if (rval != QLA_SUCCESS) {
+ /*EMPTY*/
+ DEBUG2_3(printk("scsi(%ld): GNN_ID Send SNS failed "
+ "(%d).\n", ha->host_no, rval));
+ } else if (sns_cmd->p.gnn_data[8] != 0x80 ||
+ sns_cmd->p.gnn_data[9] != 0x02) {
+ DEBUG2_3(printk("scsi(%ld): GNN_ID failed, rejected "
+ "request, gnn_rsp:\n", ha->host_no));
+ DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.gnn_data, 16));
+ rval = QLA_FUNCTION_FAILED;
+ } else {
+ /* Save nodename */
+ memcpy(list[i].node_name, &sns_cmd->p.gnn_data[16],
+ 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_snd_rft_id() - SNS Register FC-4 TYPEs (RFT_ID) supported by the HBA.
+ * @ha: HA context
+ *
+ * This command uses the old Exectute SNS Command mailbox routine.
+ *
+ * Returns 0 on success.
+ */
+static int
+qla2x00_sns_rft_id(scsi_qla_host_t *ha)
+{
+ int rval;
+
+ struct sns_cmd_pkt *sns_cmd;
+
+ /* Issue RFT_ID. */
+ /* Prepare SNS command request. */
+ sns_cmd = qla2x00_prep_sns_cmd(ha, RFT_ID_CMD, RFT_ID_SNS_SCMD_LEN,
+ RFT_ID_SNS_DATA_SIZE);
+
+ /* Prepare SNS command arguments -- port_id, FC-4 types */
+ sns_cmd->p.cmd.param[0] = ha->d_id.b.al_pa;
+ sns_cmd->p.cmd.param[1] = ha->d_id.b.area;
+ sns_cmd->p.cmd.param[2] = ha->d_id.b.domain;
+
+ sns_cmd->p.cmd.param[5] = 0x01; /* FCP-3 */
+
+ /* Execute SNS command. */
+ rval = qla2x00_send_sns(ha, ha->sns_cmd_dma, RFT_ID_SNS_CMD_SIZE / 2,
+ sizeof(struct sns_cmd_pkt));
+ if (rval != QLA_SUCCESS) {
+ /*EMPTY*/
+ DEBUG2_3(printk("scsi(%ld): RFT_ID Send SNS failed (%d).\n",
+ ha->host_no, rval));
+ } else if (sns_cmd->p.rft_data[8] != 0x80 ||
+ sns_cmd->p.rft_data[9] != 0x02) {
+ DEBUG2_3(printk("scsi(%ld): RFT_ID failed, rejected request, "
+ "rft_rsp:\n", ha->host_no));
+ DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.rft_data, 16));
+ rval = QLA_FUNCTION_FAILED;
+ } else {
+ DEBUG2(printk("scsi(%ld): RFT_ID exiting normally.\n",
+ ha->host_no));
+ }
+
+ return (rval);
+}
+
+/**
+ * qla2x00_sns_rnn_id() - SNS Register Node Name (RNN_ID) of the HBA.
+ * HBA.
+ * @ha: HA context
+ *
+ * This command uses the old Exectute SNS Command mailbox routine.
+ *
+ * Returns 0 on success.
+ */
+static int
+qla2x00_sns_rnn_id(scsi_qla_host_t *ha)
+{
+ int rval;
+
+ struct sns_cmd_pkt *sns_cmd;
+
+ /* Issue RNN_ID. */
+ /* Prepare SNS command request. */
+ sns_cmd = qla2x00_prep_sns_cmd(ha, RNN_ID_CMD, RNN_ID_SNS_SCMD_LEN,
+ RNN_ID_SNS_DATA_SIZE);
+
+ /* Prepare SNS command arguments -- port_id, nodename. */
+ sns_cmd->p.cmd.param[0] = ha->d_id.b.al_pa;
+ sns_cmd->p.cmd.param[1] = ha->d_id.b.area;
+ sns_cmd->p.cmd.param[2] = ha->d_id.b.domain;
+
+ sns_cmd->p.cmd.param[4] = ha->init_cb->node_name[7];
+ sns_cmd->p.cmd.param[5] = ha->init_cb->node_name[6];
+ sns_cmd->p.cmd.param[6] = ha->init_cb->node_name[5];
+ sns_cmd->p.cmd.param[7] = ha->init_cb->node_name[4];
+ sns_cmd->p.cmd.param[8] = ha->init_cb->node_name[3];
+ sns_cmd->p.cmd.param[9] = ha->init_cb->node_name[2];
+ sns_cmd->p.cmd.param[10] = ha->init_cb->node_name[1];
+ sns_cmd->p.cmd.param[11] = ha->init_cb->node_name[0];
+
+ /* Execute SNS command. */
+ rval = qla2x00_send_sns(ha, ha->sns_cmd_dma, RNN_ID_SNS_CMD_SIZE / 2,
+ sizeof(struct sns_cmd_pkt));
+ if (rval != QLA_SUCCESS) {
+ /*EMPTY*/
+ DEBUG2_3(printk("scsi(%ld): RNN_ID Send SNS failed (%d).\n",
+ ha->host_no, rval));
+ } else if (sns_cmd->p.rnn_data[8] != 0x80 ||
+ sns_cmd->p.rnn_data[9] != 0x02) {
+ DEBUG2_3(printk("scsi(%ld): RNN_ID failed, rejected request, "
+ "rnn_rsp:\n", ha->host_no));
+ DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.rnn_data, 16));
+ rval = QLA_FUNCTION_FAILED;
+ } else {
+ DEBUG2(printk("scsi(%ld): RNN_ID exiting normally.\n",
+ ha->host_no));
+ }
+
+ return (rval);
+}