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[98.128.249.223]) by smtp.gmail.com with ESMTPSA id m27sm770916ljc.109.2021.03.25.08.44.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 25 Mar 2021 08:44:35 -0700 (PDT) From: Jens Wiklander To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, op-tee@lists.trustedfirmware.org Cc: Sudeep Holla , Marc Bonnici , Jerome Forissier , Jens Wiklander Subject: [PATCH 1/6] tee: add sec_world_id to struct tee_shm Date: Thu, 25 Mar 2021 16:44:21 +0100 Message-Id: <20210325154426.3520148-2-jens.wiklander@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210325154426.3520148-1-jens.wiklander@linaro.org> References: <20210325154426.3520148-1-jens.wiklander@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 --- 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; }; /** -- 2.25.1