diff options
Diffstat (limited to 'include/ufs/ufshci.h')
| -rw-r--r-- | include/ufs/ufshci.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/include/ufs/ufshci.h b/include/ufs/ufshci.h index af216296b86e..9346efea3eb3 100644 --- a/include/ufs/ufshci.h +++ b/include/ufs/ufshci.h @@ -423,18 +423,23 @@ struct ufshcd_sg_entry { __le64 addr; __le32 reserved; __le32 size; + /* + * followed by variant-specific fields if + * CONFIG_SCSI_UFS_VARIABLE_SG_ENTRY_SIZE has been defined. + */ }; /** * struct utp_transfer_cmd_desc - UTP Command Descriptor (UCD) * @command_upiu: Command UPIU Frame address * @response_upiu: Response UPIU Frame address - * @prd_table: Physical Region Descriptor + * @prd_table: Physical Region Descriptor: an array of SG_ALL struct + * ufshcd_sg_entry's. Variant-specific fields may be present after each. */ struct utp_transfer_cmd_desc { u8 command_upiu[ALIGNED_UPIU_SIZE]; u8 response_upiu[ALIGNED_UPIU_SIZE]; - struct ufshcd_sg_entry prd_table[SG_ALL]; + u8 prd_table[]; }; /** |