diff options
Diffstat (limited to 'drivers/scsi/qla4xxx/ql4_bsg.c')
| -rw-r--r-- | drivers/scsi/qla4xxx/ql4_bsg.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/drivers/scsi/qla4xxx/ql4_bsg.c b/drivers/scsi/qla4xxx/ql4_bsg.c index c47545356f7b..4704a52eaecd 100644 --- a/drivers/scsi/qla4xxx/ql4_bsg.c +++ b/drivers/scsi/qla4xxx/ql4_bsg.c @@ -337,6 +337,50 @@ leave: return rval; } +static int +qla4xxx_restore_defaults(struct bsg_job *bsg_job) +{ + struct Scsi_Host *host = iscsi_job_to_shost(bsg_job); + struct scsi_qla_host *ha = to_qla_host(host); + struct iscsi_bsg_request *bsg_req = bsg_job->request; + struct iscsi_bsg_reply *bsg_reply = bsg_job->reply; + uint32_t region = 0; + uint32_t field0 = 0; + uint32_t field1 = 0; + int rval = -EINVAL; + + bsg_reply->reply_payload_rcv_len = 0; + + if (unlikely(pci_channel_offline(ha->pdev))) + goto leave; + + if (is_qla4010(ha)) + goto leave; + + if (ql4xxx_reset_active(ha)) { + ql4_printk(KERN_ERR, ha, "%s: reset active\n", __func__); + rval = -EBUSY; + goto leave; + } + + region = bsg_req->rqst_data.h_vendor.vendor_cmd[1]; + field0 = bsg_req->rqst_data.h_vendor.vendor_cmd[2]; + field1 = bsg_req->rqst_data.h_vendor.vendor_cmd[3]; + + rval = qla4xxx_restore_factory_defaults(ha, region, field0, field1); + if (rval) { + ql4_printk(KERN_ERR, ha, "%s: set nvram failed\n", __func__); + bsg_reply->result = DID_ERROR << 16; + rval = -EIO; + } else + bsg_reply->result = DID_OK << 16; + + bsg_job_done(bsg_job, bsg_reply->result, + bsg_reply->reply_payload_rcv_len); +leave: + return rval; +} + /** * qla4xxx_process_vendor_specific - handle vendor specific bsg request * @job: iscsi_bsg_job to handle @@ -364,6 +408,9 @@ int qla4xxx_process_vendor_specific(struct bsg_job *bsg_job) case QLISCSI_VND_UPDATE_NVRAM: return qla4xxx_update_nvram(bsg_job); + case QLISCSI_VND_RESTORE_DEFAULTS: + return qla4xxx_restore_defaults(bsg_job); + default: ql4_printk(KERN_ERR, ha, "%s: invalid BSG vendor command: " "0x%x\n", __func__, bsg_req->msgcode); |