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authorJens Wiklander <jens.wiklander@linaro.org>2021-03-25 17:08:44 +0300
committerJens Wiklander <jens.wiklander@linaro.org>2021-10-15 12:55:41 +0300
commit9028b2463c1ea96f51c3ba53e2479346019ff6ad (patch)
treecc76f4824dfc159f2e88ac347eb11eb8110eb792 /include/linux/tee_drv.h
parent7f565d0ead264329749c0da488de9c8dfa2f18ce (diff)
downloadlinux-9028b2463c1ea96f51c3ba53e2479346019ff6ad.tar.xz
tee: add sec_world_id to struct tee_shm
Adds sec_world_id to struct tee_shm which describes a shared memory object. sec_world_id can be used by a driver to store an id assigned by secure world. Reviewed-by: Sumit Garg <sumit.garg@linaro.org> Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Diffstat (limited to 'include/linux/tee_drv.h')
-rw-r--r--include/linux/tee_drv.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/include/linux/tee_drv.h b/include/linux/tee_drv.h
index 3ebfea0781f1..a1f03461369b 100644
--- a/include/linux/tee_drv.h
+++ b/include/linux/tee_drv.h
@@ -197,7 +197,11 @@ int tee_session_calc_client_uuid(uuid_t *uuid, u32 connection_method,
* @num_pages: number of locked pages
* @dmabuf: dmabuf used to for exporting to user space
* @flags: defined by TEE_SHM_* in tee_drv.h
- * @id: unique id of a shared memory object on this device
+ * @id: unique id of a shared memory object on this device, shared
+ * with user space
+ * @sec_world_id:
+ * secure world assigned id of this shared memory object, not
+ * used by all drivers
*
* This pool is only supposed to be accessed directly from the TEE
* subsystem and from drivers that implements their own shm pool manager.
@@ -213,6 +217,7 @@ struct tee_shm {
struct dma_buf *dmabuf;
u32 flags;
int id;
+ u64 sec_world_id;
};
/**