include/ufs/ufs.h

1 /* SPDX-License-Identifier: GPL-2.0-or-later */
4  * Copyright (C) 2011-2013 Samsung India Software Operations
27 #define QUERY_DESC_MIN_SIZE       2
28 #define QUERY_DESC_HDR_SIZE       2
29 #define QUERY_OSF_SIZE            (GENERAL_UPIU_REQUEST_SIZE - \
34  * UFS device may have standard LUs and LUN id could be from 0x00 to
36  * UFS device may also have the Well Known LUs (also referred as W-LU)
37  * which again could be from 0x00 to 0x7F. For W-LUs, device only use
38  * the "Extended Addressing Format" which means the W-LUNs would be
40  * This means max. LUN number reported from UFS device could be 0xC17F.
56  * In UFS Spec, the Extra Header Segment (EHS) starts from byte 32 in UPIU request/response packet
69  * UFS Protocol Information Unit related definitions
102 /* UPIU Read/Write flags. See also table "UPIU Flags" in the UFS standard. */
383 	UFSHCD_MILI_AMP		= 2,
419 	MASK_EE_URGENT_BKOPS		= BIT(2),
453 	REF_CLK_FREQ_38_4_MHZ	= 2,
455 	REF_CLK_FREQ_INVAL	= -1,
496 /* UFS device power modes */
499 	UFS_SLEEP_PWR_MODE	= 2,
507  * struct utp_cmd_rsp - Response UPIU structure
508  * @residual_transfer_count: Residual transfer count DW-3
509  * @reserved: Reserved double words DW-4 to DW-7
510  * @sense_data_len: Sense data length DW-8 U16
511  * @sense_data: Sense data field DW-8 to DW-12
521  * struct utp_upiu_rsp - general upiu response structure
522  * @header: UPIU header structure DW-0 to DW-2
523  * @sr: fields structure for scsi command DW-3 to DW-12
524  * @qr: fields structure for query request DW-3 to DW-7
535  * VCCQ & VCCQ2 current requirement when UFS device is in sleep state
555 /* UFS device descriptor wPeriodicRTCUpdate bit9 defines RTC time baseline */
567 	/* Maximum number of general LU supported by the UFS device */
570 	/*UFS device Product Name */
574 	/* Stores the depth of queue in UFS device */
577 	/* UFS WB related flags */
588 	/* UFS EXT_IID Enable */
591 	/* UFS RTC */
598  * This enum is used in string mapping in include/trace/events/ufs.h.
608  * used in include/trace/events/ufs.h for UFS command trace.