diff options
| author | Asahi Lina <[email protected]> | 2023-01-21 16:42:53 +0900 |
|---|---|---|
| committer | Hector Martin <[email protected]> | 2023-01-31 20:37:43 +0900 |
| commit | 4435d63f172851b57a6a0943b73a6b8055a9356f (patch) | |
| tree | 801872b5fb0cbae6ab5c6fcbf52e508c5f96fc88 | |
| parent | c289d5bce8521352a596f3ad27cd6d70b9f9f821 (diff) | |
soc: apple: rtkit: Add a private pointer to apple_rtkit_shmem
This allows downstream consumers to keep track of private data for shmem
mappings. In particular, the Rust abstraction will use this to safely
drop data associated with a mapping when it is unmapped.
Signed-off-by: Asahi Lina <[email protected]>
Reviewed-by: Sven Peter <[email protected]>
Reviewed-by: Eric Curtin <[email protected]>
Signed-off-by: Hector Martin <[email protected]>
| -rw-r--r-- | include/linux/soc/apple/rtkit.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/soc/apple/rtkit.h b/include/linux/soc/apple/rtkit.h index a2446b45ed7f..927b214ef1c6 100644 --- a/include/linux/soc/apple/rtkit.h +++ b/include/linux/soc/apple/rtkit.h @@ -22,6 +22,7 @@ * @size: Size of the shared memory buffer. * @iova: Device VA of shared memory buffer. * @is_mapped: Shared memory buffer is managed by the co-processor. + * @private: Private data pointer for the parent driver. */ struct apple_rtkit_shmem { @@ -30,6 +31,7 @@ struct apple_rtkit_shmem { size_t size; dma_addr_t iova; bool is_mapped; + void *private; }; /* |