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authorBart Van Assche <bvanassche@acm.org>2023-07-19 09:55:41 -0700
committerMartin K. Petersen <martin.petersen@oracle.com>2023-07-23 16:40:39 -0400
commit7e9609d2daea0ebe4add444b26b76479ecfda504 (patch)
treef9438b24091af8a798f7e09010d18a82712fc912 /include/ufs/ufs.h
parentf669b8a683e4ee26fa5cafe19d71cec1786b556a (diff)
scsi: ufs: core: Remove HPB support
Interest among UFS users in HPB has reduced significantly. I am not aware of any current users of the HPB functionality. Hence remove HPB support from the kernel. A note: the work in JEDEC on a successor for HPB is nearing completion. Zoned storage for UFS or ZUFS combines the UFS standard with ZBC-2. Acked-by: Avri Altman <avri.altman@wdc.com> Reviewed-by: Bean Huo <beanhuo@micron.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: ChanWoo Lee <cw9316.lee@samsung.com> Cc: Daejun Park <daejun7.park@samsung.com> Cc: Keoseong Park <keosung.park@samsung.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Link: https://lore.kernel.org/r/20230719165758.2787573-1-bvanassche@acm.org Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'include/ufs/ufs.h')
-rw-r--r--include/ufs/ufs.h39
1 files changed, 0 insertions, 39 deletions
diff --git a/include/ufs/ufs.h b/include/ufs/ufs.h
index a2bc025a748e..0dd546a20503 100644
--- a/include/ufs/ufs.h
+++ b/include/ufs/ufs.h
@@ -517,41 +517,6 @@ struct utp_cmd_rsp {
u8 sense_data[UFS_SENSE_SIZE];
};
-struct ufshpb_active_field {
- __be16 active_rgn;
- __be16 active_srgn;
-};
-#define HPB_ACT_FIELD_SIZE 4
-
-/**
- * struct utp_hpb_rsp - Response UPIU structure
- * @residual_transfer_count: Residual transfer count DW-3
- * @reserved1: Reserved double words DW-4 to DW-7
- * @sense_data_len: Sense data length DW-8 U16
- * @desc_type: Descriptor type of sense data
- * @additional_len: Additional length of sense data
- * @hpb_op: HPB operation type
- * @lun: LUN of response UPIU
- * @active_rgn_cnt: Active region count
- * @inactive_rgn_cnt: Inactive region count
- * @hpb_active_field: Recommended to read HPB region and subregion
- * @hpb_inactive_field: To be inactivated HPB region and subregion
- */
-struct utp_hpb_rsp {
- __be32 residual_transfer_count;
- __be32 reserved1[4];
- __be16 sense_data_len;
- u8 desc_type;
- u8 additional_len;
- u8 hpb_op;
- u8 lun;
- u8 active_rgn_cnt;
- u8 inactive_rgn_cnt;
- struct ufshpb_active_field hpb_active_field[2];
- __be16 hpb_inactive_field[2];
-};
-#define UTP_HPB_RSP_SIZE 40
-
/**
* struct utp_upiu_rsp - general upiu response structure
* @header: UPIU header structure DW-0 to DW-2
@@ -562,7 +527,6 @@ struct utp_upiu_rsp {
struct utp_upiu_header header;
union {
struct utp_cmd_rsp sr;
- struct utp_hpb_rsp hr;
struct utp_upiu_query qr;
};
};
@@ -622,9 +586,6 @@ struct ufs_dev_info {
/* Stores the depth of queue in UFS device */
u8 bqueuedepth;
- /* UFS HPB related flag */
- bool hpb_enabled;
-
/* UFS WB related flags */
bool wb_enabled;
bool wb_buf_flush_enabled;