Hi, This series of changes is to add support for UFS advanced RPMB in ufs_bsg. The advanced RPMB application of user space is ufs_utils, the reference code is https://github.com/beanhuo/ufs-utils-Micron/blob/ufs_arpmb/ufs_arpmb.c. Changes to ufs_utils will be pushed to https://github.com/westerndigitalcorporation/ufs-utils When ARPMB patch is merged into the kernel. Changelog: V2 -- V3: 1. Add new patch 1/7 2. Addresses several coding issues raised by Avri Altman. 3. Add __attribute__((__packed__)) for EHS struct in 7/7 V1 -- V2: 1. Added RPMB request completion handling in patch 6/6 RFC -- V1: 1. Split the patch and Remove RFC 2. Add all 8 types of rpmb operations 3. Fix one EHS copy error in ufshcd_advanced_rpmb_req_handler() 4. Fix several issues raised by Avri in the RFC patch: https://patchwork.kernel.org/project/linux-scsi/patch/20221107131038.201724-3-beanhuo@xxxxxxxx/#25081912 Bean Huo (7): ufs: bsg: Let result in struct ufs_bsg_reply be signed int ufs: ufs_bsg: Remove unnecessary length checkup ufs: ufs_bsg: Cleanup ufs_bsg_request ufs: core: Split ufshcd_map_sg ufs: core: Advanced RPMB detection ufs: core: Pass EHS length into ufshcd_prepare_req_desc_hdr() ufs: core: Add advanced RPMB support in ufs_bsg drivers/ufs/core/ufs_bsg.c | 137 +++++++++++++++--------- drivers/ufs/core/ufshcd.c | 178 +++++++++++++++++++++++++------ include/uapi/scsi/scsi_bsg_ufs.h | 48 ++++++++- include/ufs/ufs.h | 29 +++++ include/ufs/ufshcd.h | 6 +- include/ufs/ufshci.h | 1 + 6 files changed, 318 insertions(+), 81 deletions(-) -- 2.25.1
