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scsi: ufs: core: Advanced RPMB detection

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Check UFS Advanced RPMB LU enablement during ufshcd_lu_init().

Signed-off-by: Bean Huo <beanhuo@micron.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Bean Huo 2022-12-01 15:04:35 +01:00 committed by Martin K. Petersen
parent 7a4df79d0b
commit f6b9d0fe5c
2 changed files with 30 additions and 0 deletions
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6
drivers/ufs/core/ufshcd.c
View file

@ -4954,6 +4954,12 @@ static void ufshcd_lu_init(struct ufs_hba *hba, struct scsi_device *sdev)
desc_buf[UNIT_DESC_PARAM_LU_WR_PROTECT] == UFS_LU_POWER_ON_WP)
hba->dev_info.is_lu_power_on_wp = true;
/* In case of RPMB LU, check if advanced RPMB mode is enabled */
if (desc_buf[UNIT_DESC_PARAM_UNIT_INDEX] == UFS_UPIU_RPMB_WLUN &&
desc_buf[RPMB_UNIT_DESC_PARAM_REGION_EN] & BIT(4))
hba->dev_info.b_advanced_rpmb_en = true;
kfree(desc_buf);
set_qdepth:
/*

24
include/ufs/ufs.h
View file

@ -212,6 +212,28 @@ enum unit_desc_param {
UNIT_DESC_PARAM_WB_BUF_ALLOC_UNITS = 0x29,
};
/* RPMB Unit descriptor parameters offsets in bytes*/
enum rpmb_unit_desc_param {
RPMB_UNIT_DESC_PARAM_LEN = 0x0,
RPMB_UNIT_DESC_PARAM_TYPE = 0x1,
RPMB_UNIT_DESC_PARAM_UNIT_INDEX = 0x2,
RPMB_UNIT_DESC_PARAM_LU_ENABLE = 0x3,
RPMB_UNIT_DESC_PARAM_BOOT_LUN_ID = 0x4,
RPMB_UNIT_DESC_PARAM_LU_WR_PROTECT = 0x5,
RPMB_UNIT_DESC_PARAM_LU_Q_DEPTH = 0x6,
RPMB_UNIT_DESC_PARAM_PSA_SENSITIVE = 0x7,
RPMB_UNIT_DESC_PARAM_MEM_TYPE = 0x8,
RPMB_UNIT_DESC_PARAM_REGION_EN = 0x9,
RPMB_UNIT_DESC_PARAM_LOGICAL_BLK_SIZE = 0xA,
RPMB_UNIT_DESC_PARAM_LOGICAL_BLK_COUNT = 0xB,
RPMB_UNIT_DESC_PARAM_REGION0_SIZE = 0x13,
RPMB_UNIT_DESC_PARAM_REGION1_SIZE = 0x14,
RPMB_UNIT_DESC_PARAM_REGION2_SIZE = 0x15,
RPMB_UNIT_DESC_PARAM_REGION3_SIZE = 0x16,
RPMB_UNIT_DESC_PARAM_PROVISIONING_TYPE = 0x17,
RPMB_UNIT_DESC_PARAM_PHY_MEM_RSRC_CNT = 0x18,
};
/* Device descriptor parameters offsets in bytes*/
enum device_desc_param {
DEVICE_DESC_PARAM_LEN = 0x0,
@ -601,6 +623,8 @@ struct ufs_dev_info {
bool b_rpm_dev_flush_capable;
u8 b_presrv_uspc_en;
bool b_advanced_rpmb_en;
};
/*