2 * SPDX-License-Identifier: BSD-2-Clause
4 * Copyright (c) 2019 Western Digital Corporation or its affiliates.
7 * Anup Patel <anup.patel@wdc.com>
10 #ifndef SBI_ECALL_INTERFACE_H
11 #define SBI_ECALL_INTERFACE_H
13 /* clang-format off */
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
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
40 /* SBI function IDs for TIME extension*/
41 #define SBI_EXT_TIME_SET_TIMER 0x0
43 /* SBI function IDs for IPI extension*/
44 #define SBI_EXT_IPI_SEND_IPI 0x0
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
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
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
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