github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-25 15:41:52 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

soc: apple: rtkit: Add a private pointer to apple_rtkit_shmem

Browse Source 
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>
Reviewed-by: Sven Peter <sven@svenpeter.dev>
Reviewed-by: Eric Curtin <ecurtin@redhat.com>
Signed-off-by: Hector Martin <marcan@marcan.st>
This commit is contained in:
Asahi Lina 2023-01-21 16:42:53 +09:00 committed by Hector Martin
parent c289d5bce8
commit 4435d63f17
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
include/linux/soc/apple/rtkit.h
View File

@ -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;
};
/*