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 /* SBI Extension IDs */ 16 #define SBI_EXT_0_1_SET_TIMER 0x0 17 #define SBI_EXT_0_1_CONSOLE_PUTCHAR 0x1 18 #define SBI_EXT_0_1_CONSOLE_GETCHAR 0x2 19 #define SBI_EXT_0_1_CLEAR_IPI 0x3 20 #define SBI_EXT_0_1_SEND_IPI 0x4 21 #define SBI_EXT_0_1_REMOTE_FENCE_I 0x5 22 #define SBI_EXT_0_1_REMOTE_SFENCE_VMA 0x6 23 #define SBI_EXT_0_1_REMOTE_SFENCE_VMA_ASID 0x7 24 #define SBI_EXT_0_1_SHUTDOWN 0x8 25 #define SBI_EXT_BASE 0x10 26 #define SBI_EXT_TIME 0x54494D45 27 #define SBI_EXT_IPI 0x735049 28 #define SBI_EXT_RFENCE 0x52464E43 29 #define SBI_EXT_HSM 0x48534D 30 31 /* SBI function IDs for BASE extension*/ 32 #define SBI_EXT_BASE_GET_SPEC_VERSION 0x0 33 #define SBI_EXT_BASE_GET_IMP_ID 0x1 34 #define SBI_EXT_BASE_GET_IMP_VERSION 0x2 35 #define SBI_EXT_BASE_PROBE_EXT 0x3 36 #define SBI_EXT_BASE_GET_MVENDORID 0x4 37 #define SBI_EXT_BASE_GET_MARCHID 0x5 38 #define SBI_EXT_BASE_GET_MIMPID 0x6 39 40 /* SBI function IDs for TIME extension*/ 41 #define SBI_EXT_TIME_SET_TIMER 0x0 42 43 /* SBI function IDs for IPI extension*/ 44 #define SBI_EXT_IPI_SEND_IPI 0x0 45 46 /* SBI function IDs for RFENCE extension*/ 47 #define SBI_EXT_RFENCE_REMOTE_FENCE_I 0x0 48 #define SBI_EXT_RFENCE_REMOTE_SFENCE_VMA 0x1 49 #define SBI_EXT_RFENCE_REMOTE_SFENCE_VMA_ASID 0x2 50 #define SBI_EXT_RFENCE_REMOTE_HFENCE_GVMA 0x3 51 #define SBI_EXT_RFENCE_REMOTE_HFENCE_GVMA_VMID 0x4 52 #define SBI_EXT_RFENCE_REMOTE_HFENCE_VVMA 0x5 53 #define SBI_EXT_RFENCE_REMOTE_HFENCE_VVMA_ASID 0x6 54 55 /* SBI function IDs for HSM extension */ 56 #define SBI_EXT_HSM_HART_START 0x0 57 #define SBI_EXT_HSM_HART_STOP 0x1 58 #define SBI_EXT_HSM_HART_GET_STATUS 0x2 59 60 #define SBI_HSM_HART_STATUS_STARTED 0x0 61 #define SBI_HSM_HART_STATUS_STOPPED 0x1 62 #define SBI_HSM_HART_STATUS_START_PENDING 0x2 63 #define SBI_HSM_HART_STATUS_STOP_PENDING 0x3 64 65 #define SBI_SPEC_VERSION_MAJOR_OFFSET 24 66 #define SBI_SPEC_VERSION_MAJOR_MASK 0x7f 67 #define SBI_SPEC_VERSION_MINOR_MASK 0xffffff 68 #define SBI_EXT_VENDOR_START 0x09000000 69 #define SBI_EXT_VENDOR_END 0x09FFFFFF 70 /* clang-format on */ 71 72 #endif 73