Lines Matching +full:shared +full:- +full:memory
1 /* SPDX-License-Identifier: BSD-2-Clause */
3 * Copyright (c) 2019-2021, Linaro Limited
7 * This file is exported by OP-TEE and is kept in sync between secure world
8 * and normal world drivers. We're using ARM FF-A 1.0 specification.
23 * defined in FF-A specification:
27 * w3-w7: Implementation defined, free to be used below
38 * Returns the API version implemented, currently follows the FF-A version.
41 * w4-w7: Not used (MBZ)
46 * w5-w7: Not used (MBZ)
51 * Returns the revision of OP-TEE.
53 * Used by non-secure world to figure out which version of the Trusted OS
59 * w4-w7: Unused (MBZ)
76 * w4-w7: Note used (MBZ)
86 * w6-w7: Not used (MBZ)
89 * Secure world supports giving an offset into the argument shared memory
97 * Unregister shared memory
101 * w4: Shared memory handle, lower bits
102 * w5: Shared memory handle, higher bits
103 * w6-w7: Not used (MBZ)
107 * w4-w7: Note used (MBZ)
112 * Call with struct optee_msg_arg as argument in the supplied shared memory
113 * with a zero internal offset and normal cached memory attributes.
116 * w4: Lower 32 bits of a 64-bit Shared memory handle
117 * w5: Upper 32 bits of a 64-bit Shared memory handle
118 * w6: Offset into shared memory pointing to a struct optee_msg_arg
128 * w4-w6: Not used (MBZ)
134 * w5-w7: Not used (MBZ)
139 * w5-w6: Not used (MBZ)
148 * FFA_BUSY: Number of OP-TEE OS threads exceeded,
150 * FFA_DENIED: RPC shared memory object not found
151 * FFA_INVALID_PARAMETER: Bad shared memory handle or offset into the memory