Messages in this thread | | | From | Sumit Garg <> | Date | Wed, 28 Jul 2021 14:11:37 +0530 | Subject | Re: [PATCH v3 1/5] tee: add sec_world_id to struct tee_shm |
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On Thu, 22 Jul 2021 at 17:48, Jens Wiklander <jens.wiklander@linaro.org> wrote: > > 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. > > Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org> > --- > include/linux/tee_drv.h | 7 ++++++- > 1 file changed, 6 insertions(+), 1 deletion(-) >
Reviewed-by: Sumit Garg <sumit.garg@linaro.org>
-Sumit
> 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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