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| author | Sawan Chandak <sawan.chandak@qlogic.com> | 2016-01-27 20:03:32 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2016-02-24 05:27:02 +0300 |
| commit | 969a619966d84ec0d2b8392df83cd2693411e46e (patch) | |
| tree | ccb68d4c16edd0f1ef18712a3e5011c75bf919e3 /drivers/scsi/qla2xxx/qla_bsg.c | |
| parent | 4243c115f47757761b85e1ca7f2cfe71bb9d2c4d (diff) | |
| download | linux-969a619966d84ec0d2b8392df83cd2693411e46e.tar.xz | |
qla2xxx: Add support for buffer to buffer credit value for ISP27XX.
Signed-off-by: Sawan Chandak <sawan.chandak@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_bsg.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_bsg.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c index 64fe17a72f01..d135d6a4ccac 100644 --- a/drivers/scsi/qla2xxx/qla_bsg.c +++ b/drivers/scsi/qla2xxx/qla_bsg.c @@ -2181,6 +2181,58 @@ qla27xx_set_flash_upd_cap(struct fc_bsg_job *bsg_job) } static int +qla27xx_get_bbcr_data(struct fc_bsg_job *bsg_job) +{ + struct Scsi_Host *host = bsg_job->shost; + scsi_qla_host_t *vha = shost_priv(host); + struct qla_hw_data *ha = vha->hw; + struct qla_bbcr_data bbcr; + uint16_t loop_id, topo, sw_cap; + uint8_t domain, area, al_pa, state; + int rval; + + if (!(IS_QLA27XX(ha))) + return -EPERM; + + memset(&bbcr, 0, sizeof(bbcr)); + + if (vha->flags.bbcr_enable) + bbcr.status = QLA_BBCR_STATUS_ENABLED; + else + bbcr.status = QLA_BBCR_STATUS_DISABLED; + + if (bbcr.status == QLA_BBCR_STATUS_ENABLED) { + rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa, + &area, &domain, &topo, &sw_cap); + if (rval != QLA_SUCCESS) + return -EIO; + + state = (vha->bbcr >> 12) & 0x1; + + if (state) { + bbcr.state = QLA_BBCR_STATE_OFFLINE; + bbcr.offline_reason_code = QLA_BBCR_REASON_LOGIN_REJECT; + } else { + bbcr.state = QLA_BBCR_STATE_ONLINE; + bbcr.negotiated_bbscn = (vha->bbcr >> 8) & 0xf; + } + + bbcr.configured_bbscn = vha->bbcr & 0xf; + } + + sg_copy_from_buffer(bsg_job->reply_payload.sg_list, + bsg_job->reply_payload.sg_cnt, &bbcr, sizeof(bbcr)); + bsg_job->reply->reply_payload_rcv_len = sizeof(bbcr); + + bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = EXT_STATUS_OK; + + bsg_job->reply_len = sizeof(struct fc_bsg_reply); + bsg_job->reply->result = DID_OK << 16; + bsg_job->job_done(bsg_job); + return 0; +} + +static int qla2x00_process_vendor_specific(struct fc_bsg_job *bsg_job) { switch (bsg_job->request->rqst_data.h_vendor.vendor_cmd[0]) { @@ -2241,6 +2293,9 @@ qla2x00_process_vendor_specific(struct fc_bsg_job *bsg_job) case QL_VND_SET_FLASH_UPDATE_CAPS: return qla27xx_set_flash_upd_cap(bsg_job); + case QL_VND_GET_BBCR_DATA: + return qla27xx_get_bbcr_data(bsg_job); + default: return -ENOSYS; } |