Lines Matching +full:shared +full:- +full:memory

1 /* SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) */
3  * Copyright (c) 2015-2019, Linaro Limited
12  * This file defines the OP-TEE message protocol (ABI) used to communicate
13  * with an instance of OP-TEE running in secure world.
19  *    tee-supplicant.
23  * Part 1 - formatting of messages
48  * Pointer to a list of pages used to register user-defined SHM buffer.
51  * list of page addresses. OP-TEE core can reconstruct contiguous buffer from
63  *   uint64_t pages_array[OPTEE_MSG_NONCONTIG_PAGE_SIZE/sizeof(uint64_t) - 1];
76  * Memory attributes for caching passed with temp memrefs. The actual value
79  * defined for the memory range should be used. If optee_smc.h is used as
97  * Page size used in non-contiguous buffer entries
102  * struct optee_msg_param_tmem - temporary memory reference parameter
105  * @shm_ref:	Temporary shared memory reference, pointer to a struct tee_shm
109  * have completely independent memory mapping. Normal world can even have a
121  * struct optee_msg_param_rmem - registered memory reference parameter
122  * @offs:	Offset into shared memory reference
124  * @shm_ref:	Shared memory reference, pointer to a struct tee_shm
133  * struct optee_msg_param_value - opaque value parameter
144  * struct optee_msg_param - parameter used together with struct optee_msg_arg
146  * @tmem:	parameter by temporary memory reference
147  * @rmem:	parameter by registered memory reference
168  * struct optee_msg_arg - call argument
208  * OPTEE_MSG_GET_ARG_SIZE - return size of struct optee_msg_arg
220  * Part 2 - requests from normal world
226  * 384fb3e0-e7f8-11e3-af63-0002a5d5c51b.
227  * Represented in 4 32-bit words in OPTEE_MSG_UID_0, OPTEE_MSG_UID_1,
238  * extensions. Represented in 2 32-bit words in OPTEE_MSG_REVISION_MAJOR
248  * Used by non-secure world to figure out which Trusted OS is installed.
251  * Returns UUID in 4 32-bit words in the same way as
263  * Used by non-secure world to figure out which version of the Trusted OS
267  * Returns revision in 2 32-bit words in the same way as
279  * param[0].u.value.a-b uuid of Trusted Application
280  * param[1].u.value.a-b uuid of Client
292  * OPTEE_MSG_CMD_REGISTER_SHM registers a shared memory reference. The
298  * [in] param[0].u.tmem.shm_ref		holds shared memory reference
300  * The shared memory can optionally be fragmented, temp memrefs can follow
303  * OPTEE_MSG_CMD_UNREGISTER_SHM unregisteres a previously registered shared
304  * memory reference. The information is passed as:
306  * [in] param[0].u.rmem.shm_ref		holds shared memory reference
319  * Part 3 - Requests from secure world, RPC
326  * RPC communication with tee-supplicant is reversed compared to normal
332  * Load a TA into memory, defined in tee-supplicant
342  * File system access, defined in tee-supplicant
350  * 1970-01-01 00:00:00 +0000 (UTC).
385  * Allocate a piece of shared memory
387  * Shared memory can optionally be fragmented, to support that additional
393  * [in]  param[0].u.value.a		type of memory one of
400  * [out] param[0].u.tmem.shm_ref	shared memory reference
404  * [out] param[n].u.tmem.shm_ref	shared memory reference (same value
405  *					as in param[n-1].u.tmem.shm_ref)
408 /* Memory that can be shared with a non-secure user space application */
410 /* Memory only shared with non-secure kernel */
414  * Free shared memory previously allocated with OPTEE_MSG_RPC_CMD_SHM_ALLOC
416  * [in]  param[0].u.value.a		type of memory one of
418  * [in]  param[0].u.value.b		value of shared memory reference