| /* |
| * Copyright (c) 2020-2021, Arm Limited and Contributors. All rights reserved. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| #ifndef FFA_CALL_ARGS_H |
| #define FFA_CALL_ARGS_H |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /* |
| * Defines convention for use of FFA direct call arguments by |
| * the SP service framework. This header file is used by the |
| * normal world RPC caller and the RPC listener in the SP. |
| */ |
| |
| /* Macros for parameters carried in a single register */ |
| #define FFA_CALL_ARGS_COMBINE_IFACE_ID_OPCODE(i, o) \ |
| (((i) << 16) | ((o) & 0xffff)) |
| #define FFA_CALL_ARGS_EXTRACT_IFACE(reg) \ |
| ((reg) >> 16) |
| #define FFA_CALL_ARGS_EXTRACT_OPCODE(reg) \ |
| ((reg) & 0xffff) |
| |
| /* Common req & resp arg offests into msg_args structure */ |
| #define FFA_CALL_ARGS_IFACE_ID_OPCODE (1) |
| |
| /* Req arg offsets */ |
| #define FFA_CALL_ARGS_REQ_DATA_LEN (2) |
| #define FFA_CALL_ARGS_CALLER_ID (3) |
| #define FFA_CALL_ARGS_ENCODING (4) |
| |
| /* Resp arg offsets */ |
| #define FFA_CALL_ARGS_RESP_DATA_LEN (2) |
| #define FFA_CALL_ARGS_RESP_RPC_STATUS (3) |
| #define FFA_CALL_ARGS_RESP_OP_STATUS (4) |
| |
| /* Share/unshare offsets */ |
| #define FFA_CALL_ARGS_SHARE_MEM_HANDLE_LSW (2) |
| #define FFA_CALL_ARGS_SHARE_MEM_HANDLE_MSW (3) |
| #define FFA_CALL_ARGS_SHARE_MEM_SIZE (4) |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* FFA_CALL_ARGS_H */ |