Messages in this thread Patch in this message |  | | From | Asahi Lina <> | Subject | [PATCH] soc: apple: rtkit: Add a private pointer to apple_rtkit_shmem | Date | Sat, 21 Jan 2023 16:42:53 +0900 |
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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 <lina@asahilina.net> --- include/linux/soc/apple/rtkit.h | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/include/linux/soc/apple/rtkit.h b/include/linux/soc/apple/rtkit.h index 62bfa37b5adb..1a9888a1797a 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; }; /* -- 2.35.1
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