| Message ID | 20210722121757.1944658-2-jens.wiklander@linaro.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Add FF-A support in OP-TEE driver | expand |
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 >
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; }; /**
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(-)