diff options
| author | Joe Carnuccio | 2016-07-06 11:14:26 -0400 |
|---|---|---|
| committer | Martin K. Petersen | 2016-07-15 15:31:31 -0400 |
| commit | ec89146215d124c429bff84b498dccdc4919ffa7 (patch) | |
| tree | 36514351c139835450418c285fa176010b2284ad /drivers/scsi/qla2xxx/qla_bsg.c | |
| parent | 783e0dc4f66ade6bbd8833b6bae778158d54c1a6 (diff) | |
qla2xxx: Add bsg interface to support D_Port Diagnostics.
Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
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 | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c index 8cadc4da7d59..592e9249db02 100644 --- a/drivers/scsi/qla2xxx/qla_bsg.c +++ b/drivers/scsi/qla2xxx/qla_bsg.c @@ -2296,6 +2296,47 @@ done: } static int +qla2x00_do_dport_diagnostics(struct fc_bsg_job *bsg_job) +{ + struct Scsi_Host *host = bsg_job->shost; + scsi_qla_host_t *vha = shost_priv(host); + int rval; + struct qla_dport_diag *dd; + + if (!IS_QLA83XX(vha->hw) && !IS_QLA27XX(vha->hw)) + return -EPERM; + + dd = kmalloc(sizeof(*dd), GFP_KERNEL); + if (!dd) { + ql_log(ql_log_warn, vha, 0x70db, + "Failed to allocate memory for dport.\n"); + return -ENOMEM; + } + + sg_copy_to_buffer(bsg_job->request_payload.sg_list, + bsg_job->request_payload.sg_cnt, dd, sizeof(*dd)); + + rval = qla26xx_dport_diagnostics( + vha, dd->buf, sizeof(dd->buf), dd->options); + if (rval == QLA_SUCCESS) { + sg_copy_from_buffer(bsg_job->reply_payload.sg_list, + bsg_job->reply_payload.sg_cnt, dd, sizeof(*dd)); + } + + bsg_job->reply->reply_payload_rcv_len = sizeof(*dd); + bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = + rval ? EXT_STATUS_MAILBOX : EXT_STATUS_OK; + + bsg_job->reply_len = sizeof(*bsg_job->reply); + bsg_job->reply->result = DID_OK << 16; + bsg_job->job_done(bsg_job); + + kfree(dd); + + 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]) { @@ -2362,6 +2403,9 @@ qla2x00_process_vendor_specific(struct fc_bsg_job *bsg_job) case QL_VND_GET_PRIV_STATS: return qla2x00_get_priv_stats(bsg_job); + case QL_VND_DPORT_DIAGNOSTICS: + return qla2x00_do_dport_diagnostics(bsg_job); + default: return -ENOSYS; } |