Commit 4435d63f authored by Asahi Lina's avatar Asahi Lina Committed by Hector Martin
Browse files

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: default avatarAsahi Lina <lina@asahilina.net>
Reviewed-by: default avatarSven Peter <sven@svenpeter.dev>
Reviewed-by: default avatarEric Curtin <ecurtin@redhat.com>
Signed-off-by: default avatarHector Martin <marcan@marcan.st>
parent c289d5bc

include/linux/soc/apple/rtkit.h

+2 −0
Original line number Diff line number Diff line
@@ -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;

};



/*