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path: root/drivers/scsi/qla2xxx/qla_gs.c
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Diffstat (limited to 'drivers/scsi/qla2xxx/qla_gs.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_gs.c74
1 files changed, 73 insertions, 1 deletions
diff --git a/drivers/scsi/qla2xxx/qla_gs.c b/drivers/scsi/qla2xxx/qla_gs.c
index 872c55f049a..4c083928c2f 100644
--- a/drivers/scsi/qla2xxx/qla_gs.c
+++ b/drivers/scsi/qla2xxx/qla_gs.c
@@ -1,6 +1,6 @@
/*
* QLogic Fibre Channel HBA Driver
- * Copyright (c) 2003-2008 QLogic Corporation
+ * Copyright (c) 2003-2010 QLogic Corporation
*
* See LICENSE.qla2xxx for copyright and licensing details.
*/
@@ -1913,3 +1913,75 @@ qla2x00_gpsc(scsi_qla_host_t *vha, sw_info_t *list)
return (rval);
}
+
+/**
+ * qla2x00_gff_id() - SNS Get FC-4 Features (GFF_ID) query.
+ *
+ * @ha: HA context
+ * @list: switch info entries to populate
+ *
+ */
+void
+qla2x00_gff_id(scsi_qla_host_t *vha, 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 qla_hw_data *ha = vha->hw;
+ uint8_t fcp_scsi_features = 0;
+
+ for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
+ /* Set default FC4 Type as UNKNOWN so the default is to
+ * Process this port */
+ list[i].fc4_type = FC4_TYPE_UNKNOWN;
+
+ /* Do not attempt GFF_ID if we are not FWI_2 capable */
+ if (!IS_FWI2_CAPABLE(ha))
+ continue;
+
+ /* Prepare common MS IOCB */
+ ms_pkt = ha->isp_ops->prep_ms_iocb(vha, GFF_ID_REQ_SIZE,
+ GFF_ID_RSP_SIZE);
+
+ /* Prepare CT request */
+ ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, GFF_ID_CMD,
+ GFF_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(vha, ha->ms_iocb, ha->ms_iocb_dma,
+ sizeof(ms_iocb_entry_t));
+
+ if (rval != QLA_SUCCESS) {
+ DEBUG2_3(printk(KERN_INFO
+ "scsi(%ld): GFF_ID issue IOCB failed "
+ "(%d).\n", vha->host_no, rval));
+ } else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp,
+ "GPN_ID") != QLA_SUCCESS) {
+ DEBUG2_3(printk(KERN_INFO
+ "scsi(%ld): GFF_ID IOCB status had a "
+ "failure status code\n", vha->host_no));
+ } else {
+ fcp_scsi_features =
+ ct_rsp->rsp.gff_id.fc4_features[GFF_FCP_SCSI_OFFSET];
+ fcp_scsi_features &= 0x0f;
+
+ if (fcp_scsi_features)
+ list[i].fc4_type = FC4_TYPE_FCP_SCSI;
+ else
+ list[i].fc4_type = FC4_TYPE_OTHER;
+ }
+
+ /* Last device exit. */
+ if (list[i].d_id.b.rsvd_1 != 0)
+ break;
+ }
+}