diff options
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_gs.c')
-rw-r--r-- | drivers/scsi/qla2xxx/qla_gs.c | 74 |
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; + } +} |