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[94.254.48.165]) by smtp.gmail.com with ESMTPSA id l19sm261131ljj.36.2021.08.19.04.07.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 19 Aug 2021 04:07:07 -0700 (PDT) From: Jens Wiklander To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, op-tee@lists.trustedfirmware.org Cc: Sumit Garg , Sudeep Holla , Marc Bonnici , Jerome Forissier , sughosh.ganu@linaro.org, Jens Wiklander Subject: [PATCH v4 1/5] tee: add sec_world_id to struct tee_shm Date: Thu, 19 Aug 2021 13:06:51 +0200 Message-Id: <20210819110655.739318-2-jens.wiklander@linaro.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210819110655.739318-1-jens.wiklander@linaro.org> References: <20210819110655.739318-1-jens.wiklander@linaro.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210819_040709_505299_0AB803A3 X-CRM114-Status: GOOD ( 13.79 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.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. Reviewed-by: Sumit Garg 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 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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel