diff options
Diffstat (limited to 'meta-arm/meta-arm-bsp/recipes-kernel/linux/linux-arm64-ack-5.10/tc/0009-tee-add-sec_world_id-to-struct-tee_shm.patch')
| -rw-r--r-- | meta-arm/meta-arm-bsp/recipes-kernel/linux/linux-arm64-ack-5.10/tc/0009-tee-add-sec_world_id-to-struct-tee_shm.patch | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/meta-arm/meta-arm-bsp/recipes-kernel/linux/linux-arm64-ack-5.10/tc/0009-tee-add-sec_world_id-to-struct-tee_shm.patch b/meta-arm/meta-arm-bsp/recipes-kernel/linux/linux-arm64-ack-5.10/tc/0009-tee-add-sec_world_id-to-struct-tee_shm.patch new file mode 100644 index 0000000000..eab6527129 --- /dev/null +++ b/meta-arm/meta-arm-bsp/recipes-kernel/linux/linux-arm64-ack-5.10/tc/0009-tee-add-sec_world_id-to-struct-tee_shm.patch @@ -0,0 +1,44 @@ +From 812d2a649a9cc2a0004cbde2b3e411b46ec84af4 Mon Sep 17 00:00:00 2001 +From: Jens Wiklander <jens.wiklander@linaro.org> +Date: Thu, 25 Mar 2021 15:08:44 +0100 +Subject: [PATCH 14/22] 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. + +Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org> + +Upstream-Status: Pending [Not submitted to upstream yet] +--- + 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 cdd049a724b1..93d836fded8b 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; + }; + + /** +-- +2.17.1 + |