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| author | Martin K. Petersen <martin.petersen@oracle.com> | 2022-12-30 21:21:53 +0000 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2022-12-30 21:21:53 +0000 |
| commit | 4a5bd1a928a22c20f77821d0bd9c80849827e292 (patch) | |
| tree | d956822fedc9379015d513a80d5918f6c4e2bf63 /include/ufs/ufshci.h | |
| parent | 9a3a5a8556e51c2fafdcbc9996865fc55d3d6775 (diff) | |
| parent | ada1e653a5eae7361d95781ed812caa0c8e07dbb (diff) | |
Merge patch series "Prepare for upstreaming Pixel 6 and 7 UFS support"
Bart Van Assche <bvanassche@acm.org> says:
The patches in this series are a first step towards integrating
support in the upstream kernel for the UFS controller in the Pixel 6
and 7.
[mkp: resolve conflict with RPMB series]
Link: https://lore.kernel.org/r/20221208234358.252031-1-bvanassche@acm.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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[]; }; /** |