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 90