| Sandrine Bailleux | 3cd87d7 | 2018-10-09 11:12:55 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2018, Arm Limited. All rights reserved. |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | */ |
| 6 | |
| 7 | #ifndef __SPRT_SVC_H__ |
| 8 | #define __SPRT_SVC_H__ |
| 9 | |
| 10 | #include <smccc.h> |
| 11 | #include <utils_def.h> |
| 12 | |
| 13 | /* SPRT_VERSION helpers */ |
| 14 | #define SPRT_VERSION_MAJOR U(0) |
| 15 | #define SPRT_VERSION_MAJOR_SHIFT 16 |
| 16 | #define SPRT_VERSION_MAJOR_MASK U(0x7FFF) |
| 17 | /* TODO: Move up minor version to 1 when SPRT is properly supported. */ |
| 18 | #define SPRT_VERSION_MINOR U(0) |
| 19 | #define SPRT_VERSION_MINOR_SHIFT 0 |
| 20 | #define SPRT_VERSION_MINOR_MASK U(0xFFFF) |
| 21 | #define SPRT_VERSION_FORM(major, minor) ((((major) & SPRT_VERSION_MAJOR_MASK) << SPRT_VERSION_MAJOR_SHIFT) | \ |
| 22 | ((minor) & SPRT_VERSION_MINOR_MASK)) |
| 23 | #define SPRT_VERSION_COMPILED SPRT_VERSION_FORM(SPRT_VERSION_MAJOR, SPRT_VERSION_MINOR) |
| 24 | |
| 25 | /* TODO: Check all values below are correct when they're specified in SPRT. */ |
| 26 | |
| 27 | /* SPRT function IDs */ |
| 28 | #define SPRT_FID_VERSION U(0x0) |
| 29 | #define SPRT_FID_RETURN_RESPONSE U(0x1) |
| 30 | |
| 31 | #define SPRT_FID_MASK U(0xFF) |
| 32 | |
| 33 | /* Definitions to build the complete SMC ID */ |
| 34 | #define SPRT_SMC_ID(sprt_fid) ((FUNCID_SERV_SPRT << FUNCID_SERV_SHIFT) | \ |
| 35 | (U(1) << 31) | ((sprt_fid) & SPRT_FID_MASK)) |
| 36 | |
| 37 | /* Complete SMC IDs */ |
| 38 | #define SPRT_VERSION SPRT_SMC_ID(SPRT_FID_VERSION) |
| 39 | #define SPRT_RETURN_RESPONSE SPRT_SMC_ID(SPRT_FID_RETURN_RESPONSE) |
| 40 | |
| 41 | /* SPRT error codes. */ |
| 42 | #define SPRT_SUCCESS 0 |
| 43 | #define SPRT_NOT_SUPPORTED -1 |
| 44 | #define SPRT_INVALID_PARAMETER -2 |
| 45 | |
| 46 | #endif /* __SPRT_SVC_H__ */ |