include/block/ufs.h

1 /* SPDX-License-Identifier: GPL-2.0-or-later */
508  * ("include/uapi/scsi/scsi_bsg_ufs.h") and modified to fit the qemu style.
527  * struct UtpUpiuCmd - Command UPIU structure
528  * @data_transfer_len: Data Transfer Length DW-3
529  * @cdb: Command Descriptor Block CDB DW-4 to DW-7
537  * struct UtpUpiuReq - general upiu request structure
538  * @header:UPIU header structure DW-0 to DW-2
539  * @sc: fields structure for scsi command DW-3 to DW-7
540  * @qr: fields structure for query request DW-3 to DW-7
544     UtpUpiuHeader header;  member
652  * struct UfshcdSgEntry - UFSHCI PRD Entry
653  * @addr: Physical address; DW-0 and DW-1.
654  * @reserved: Reserved for future use DW-2
655  * @size: size of physical segment DW-3
662      * followed by variant-specific fields if
668  * struct RequestDescHeader - Descriptor Header common to both UTRD and UTMRD
669  * @dword0: Descriptor Header DW0
670  * @dword1: Descriptor Header DW1
671  * @dword2: Descriptor Header DW2
672  * @dword3: Descriptor Header DW3
682  * struct UtpTransferReqDesc - UTP Transfer Request Descriptor (UTRD)
683  * @header: UTRD header DW-0 to DW-3
684  * @command_desc_base_addr_lo: UCD base address low DW-4
685  * @command_desc_base_addr_hi: UCD base address high DW-5
686  * @response_upiu_length: response UPIU length DW-6
687  * @response_upiu_offset: response UPIU offset DW-6
688  * @prd_table_length: Physical region descriptor length DW-7
689  * @prd_table_offset: Physical region descriptor offset DW-7
692     /* DW 0-3 */
693     RequestDescHeader header;  member
695     /* DW 4-5*/
712     /* DW 0-3 */
713     RequestDescHeader header;  member
715     /* DW 4-11 - Task request UPIU structure */
724     /* DW 12-19 - Task Management Response UPIU structure */
742 #define UFS_QUERY_OSF_SIZE (GENERAL_UPIU_REQUEST_SIZE - (sizeof(UtpUpiuHeader)))
748  * UFS device may also have the Well Known LUs (also referred as W-LU)
749  * which again could be from 0x00 to 0x7F. For W-LUs, device only use
750  * the "Extended Addressing Format" which means the W-LUNs would be
773  * In UFS Spec, the Extra Header Segment (EHS) starts from byte 32 in UPIU
1158  * struct UtpCmdRsp - Response UPIU structure
1159  * @residual_transfer_count: Residual transfer count DW-3
1160  * @reserved: Reserved double words DW-4 to DW-7
1161  * @sense_data_len: Sense data length DW-8 U16
1162  * @sense_data: Sense data field DW-8 to DW-12
1172  * struct UtpUpiuRsp - general upiu response structure
1173  * @header: UPIU header structure DW-0 to DW-2
1174  * @sr: fields structure for scsi command DW-3 to DW-12
1175  * @qr: fields structure for query request DW-3 to DW-7
1178     UtpUpiuHeader header;  member