diff options
Diffstat (limited to 'include/uapi/scsi/scsi_bsg_ufs.h')
| -rw-r--r-- | include/uapi/scsi/scsi_bsg_ufs.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/include/uapi/scsi/scsi_bsg_ufs.h b/include/uapi/scsi/scsi_bsg_ufs.h index 5e0b9d917b9b..e426204ec15c 100644 --- a/include/uapi/scsi/scsi_bsg_ufs.h +++ b/include/uapi/scsi/scsi_bsg_ufs.h @@ -3,6 +3,7 @@ * UFS Transport SGIO v4 BSG Message Support * * Copyright (C) 2011-2013 Samsung India Software Operations + * Copyright (C) 2018 Western Digital Corporation */ #ifndef SCSI_BSG_UFS_H #define SCSI_BSG_UFS_H @@ -69,6 +70,33 @@ struct utp_upiu_req { union { struct utp_upiu_cmd sc; struct utp_upiu_query qr; + struct utp_upiu_query tr; + /* use utp_upiu_query to host the 4 dwords of uic command */ + struct utp_upiu_query uc; }; }; + +/* request (CDB) structure of the sg_io_v4 */ +struct ufs_bsg_request { + uint32_t msgcode; + struct utp_upiu_req upiu_req; +}; + +/* response (request sense data) structure of the sg_io_v4 */ +struct ufs_bsg_reply { + /* + * The completion result. Result exists in two forms: + * if negative, it is an -Exxx system errno value. There will + * be no further reply information supplied. + * else, it's the 4-byte scsi error result, with driver, host, + * msg and status fields. The per-msgcode reply structure + * will contain valid data. + */ + uint32_t result; + + /* If there was reply_payload, how much was received? */ + uint32_t reply_payload_rcv_len; + + struct utp_upiu_req upiu_rsp; +}; #endif /* UFS_BSG_H */ |