[PATCH v4 1/5] tee: add sec_world_id to struct tee_shm
From: Jens Wiklander <jens.wiklander@linaro.org>
Date: 2021-08-19 11:07:12
Also in:
lkml, op-tee
Subsystem:
tee subsystem, the rest · Maintainers:
Jens Wiklander, Linus Torvalds
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 <redacted> Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org> --- include/linux/tee_drv.h | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/include/linux/tee_drv.h b/include/linux/tee_drv.h
index 54269e47ac9a..1a29f0e66e13 100644
--- a/include/linux/tee_drv.h
+++ b/include/linux/tee_drv.h@@ -196,7 +196,11 @@ 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.
@@ -212,6 +216,7 @@ struct tee_shm { struct dma_buf *dmabuf; u32 flags; int id; + u64 sec_world_id; }; /**
--
2.31.1
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