| 1 | /* |
| 2 | * SPDX-License-Identifier: BSD-2-Clause |
| 3 | * |
| 4 | * Copyright (c) 2019 Western Digital Corporation or its affiliates. |
| 5 | * |
| 6 | * Authors: |
| 7 | * Anup Patel <anup.patel@wdc.com> |
| 8 | */ |
| 9 | |
| 10 | #ifndef SBI_ECALL_INTERFACE_H |
| 11 | #define SBI_ECALL_INTERFACE_H |
| 12 | |
| 13 | /* clang-format off */ |
| 14 | |
| 15 | #define SBI_SUCCESS 0 |
| 16 | #define SBI_ERR_FAILED -1 |
| 17 | #define SBI_ERR_NOT_SUPPORTED -2 |
| 18 | #define SBI_ERR_INVALID_PARAM -3 |
| 19 | #define SBI_ERR_DENIED -4 |
| 20 | #define SBI_ERR_INVALID_ADDRESS -5 |
| 21 | #define SBI_ERR_ALREADY_AVAILABLE -6 |
| 22 | #define SBI_ERR_ALREADY_STARTED -7 |
| 23 | #define SBI_ERR_ALREADY_STOPPED -8 |
| 24 | #define SBI_ERR_NO_SHMEM -9 |
| 25 | |
| 26 | /* SBI Extension IDs */ |
| 27 | #define SBI_EXT_0_1_SET_TIMER 0x0 |
| 28 | #define SBI_EXT_0_1_CONSOLE_PUTCHAR 0x1 |
| 29 | #define SBI_EXT_0_1_CONSOLE_GETCHAR 0x2 |
| 30 | #define SBI_EXT_0_1_CLEAR_IPI 0x3 |
| 31 | #define SBI_EXT_0_1_SEND_IPI 0x4 |
| 32 | #define SBI_EXT_0_1_REMOTE_FENCE_I 0x5 |
| 33 | #define SBI_EXT_0_1_REMOTE_SFENCE_VMA 0x6 |
| 34 | #define SBI_EXT_0_1_REMOTE_SFENCE_VMA_ASID 0x7 |
| 35 | #define SBI_EXT_0_1_SHUTDOWN 0x8 |
| 36 | #define SBI_EXT_BASE 0x10 |
| 37 | #define SBI_EXT_TIME 0x54494D45 |
| 38 | #define SBI_EXT_IPI 0x735049 |
| 39 | #define SBI_EXT_RFENCE 0x52464E43 |
| 40 | #define SBI_EXT_HSM 0x48534D |
| 41 | #define SBI_EXT_DBCN 0x4442434E |
| 42 | |
| 43 | /* SBI function IDs for BASE extension */ |
| 44 | #define SBI_EXT_BASE_GET_SPEC_VERSION 0x0 |
| 45 | #define SBI_EXT_BASE_GET_IMP_ID 0x1 |
| 46 | #define SBI_EXT_BASE_GET_IMP_VERSION 0x2 |
| 47 | #define SBI_EXT_BASE_PROBE_EXT 0x3 |
| 48 | #define SBI_EXT_BASE_GET_MVENDORID 0x4 |
| 49 | #define SBI_EXT_BASE_GET_MARCHID 0x5 |
| 50 | #define SBI_EXT_BASE_GET_MIMPID 0x6 |
| 51 | |
| 52 | /* SBI function IDs for TIME extension */ |
| 53 | #define SBI_EXT_TIME_SET_TIMER 0x0 |
| 54 | |
| 55 | /* SBI function IDs for IPI extension */ |
| 56 | #define SBI_EXT_IPI_SEND_IPI 0x0 |
| 57 | |
| 58 | /* SBI function IDs for RFENCE extension */ |
| 59 | #define SBI_EXT_RFENCE_REMOTE_FENCE_I 0x0 |
| 60 | #define SBI_EXT_RFENCE_REMOTE_SFENCE_VMA 0x1 |
| 61 | #define SBI_EXT_RFENCE_REMOTE_SFENCE_VMA_ASID 0x2 |
| 62 | #define SBI_EXT_RFENCE_REMOTE_HFENCE_GVMA 0x3 |
| 63 | #define SBI_EXT_RFENCE_REMOTE_HFENCE_GVMA_VMID 0x4 |
| 64 | #define SBI_EXT_RFENCE_REMOTE_HFENCE_VVMA 0x5 |
| 65 | #define SBI_EXT_RFENCE_REMOTE_HFENCE_VVMA_ASID 0x6 |
| 66 | |
| 67 | /* SBI function IDs for HSM extension */ |
| 68 | #define SBI_EXT_HSM_HART_START 0x0 |
| 69 | #define SBI_EXT_HSM_HART_STOP 0x1 |
| 70 | #define SBI_EXT_HSM_HART_GET_STATUS 0x2 |
| 71 | |
| 72 | /* SBI function IDs for DBCN extension */ |
| 73 | #define SBI_EXT_DBCN_CONSOLE_WRITE 0x0 |
| 74 | #define SBI_EXT_DBCN_CONSOLE_READ 0x1 |
| 75 | #define SBI_EXT_DBCN_CONSOLE_WRITE_BYTE 0x2 |
| 76 | |
| 77 | #define SBI_HSM_HART_STATUS_STARTED 0x0 |
| 78 | #define SBI_HSM_HART_STATUS_STOPPED 0x1 |
| 79 | #define SBI_HSM_HART_STATUS_START_PENDING 0x2 |
| 80 | #define SBI_HSM_HART_STATUS_STOP_PENDING 0x3 |
| 81 | |
| 82 | #define SBI_SPEC_VERSION_MAJOR_OFFSET 24 |
| 83 | #define SBI_SPEC_VERSION_MAJOR_MASK 0x7f |
| 84 | #define SBI_SPEC_VERSION_MINOR_MASK 0xffffff |
| 85 | #define SBI_EXT_VENDOR_START 0x09000000 |
| 86 | #define SBI_EXT_VENDOR_END 0x09FFFFFF |
| 87 | /* clang-format on */ |
| 88 | |
| 89 | #endif |