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

1 /* SPDX-License-Identifier: BSD-2-Clause */
3  * Copyright (c) 2015-2020, Linaro Limited
15  * This file defines the OP-TEE message protocol used to communicate
16  * with an instance of OP-TEE running in secure world.
20  * 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
105  * struct optee_msg_param_tmem - temporary memory reference parameter
108  * @shm_ref:	Temporary shared memory reference, pointer to a struct tee_shm
112  * have completely independent memory mapping. Normal world can even have a
124  * struct optee_msg_param_rmem - registered memory reference parameter
125  * @offs:	Offset into shared memory reference
127  * @shm_ref:	Shared memory reference, pointer to a struct tee_shm
136  * struct optee_msg_param_fmem - FF-A memory reference parameter
137  * @offs_lower:	   Lower bits of offset into shared memory reference
138  * @offs_upper:	   Upper bits of offset into shared memory reference
139  * @internal_offs: Internal offset into the first page of shared memory
142  * @global_id:	   Global identifier of the shared memory
153  * struct optee_msg_param_value - opaque value parameter
164  * struct optee_msg_param - parameter used together with struct optee_msg_arg
166  * @tmem:	parameter by temporary memory reference
167  * @rmem:	parameter by registered memory reference
168  * @fmem:	parameter by FF-A registered memory reference
189  * struct optee_msg_arg - call argument
221  * OPTEE_MSG_GET_ARG_SIZE - return size of struct optee_msg_arg
237 	((OPTEE_MSG_NONCONTIG_PAGE_SIZE - sizeof(struct optee_msg_arg)) / \
243  * Part 2 - requests from normal world
249  * 384fb3e0-e7f8-11e3-af63-0002a5d5c51b.
250  * Represented in 4 32-bit words in OPTEE_MSG_UID_0, OPTEE_MSG_UID_1,
261  * extensions. Represented in 2 32-bit words in OPTEE_MSG_REVISION_MAJOR
271  * Used by non-secure world to figure out which Trusted OS is installed.
274  * Returns UUID in 4 32-bit words in the same way as
286  * Used by non-secure world to figure out which version of the Trusted OS
290  * Returns revision in 2 32-bit words in the same way as
302  * param[0].u.value.a-b uuid of Trusted Application
303  * param[1].u.value.a-b uuid of Client
315  * OPTEE_MSG_CMD_REGISTER_SHM registers a shared memory reference. The
321  * [in] param[0].u.tmem.shm_ref		holds shared memory reference
323  * OPTEE_MSG_CMD_UNREGISTER_SHM unregisteres a previously registered shared
324  * memory reference. The information is passed as:
326  * [in] param[0].u.rmem.shm_ref		holds shared memory reference