1/*
2 * Copyright 2020 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 */
23
24#ifndef _TA_RAP_IF_H
25#define _TA_RAP_IF_H
26
27/* Responses have bit 31 set */
28#define RSP_ID_MASK (1U << 31)
29#define RSP_ID(cmdId) (((uint32_t)(cmdId)) | RSP_ID_MASK)
30
31enum ta_rap_status {
32 TA_RAP_STATUS__SUCCESS = 1,
33 TA_RAP_STATUS__ERROR_GENERIC_FAILURE = 2,
34 TA_RAP_STATUS__ERROR_CMD_NOT_SUPPORTED = 3,
35 TA_RAP_STATUS__ERROR_INVALID_VALIDATION_METHOD = 4,
36 TA_RAP_STATUS__ERROR_NULL_POINTER = 5,
37 TA_RAP_STATUS__ERROR_NOT_INITIALIZED = 6,
38 TA_RAP_STATUS__ERROR_VALIDATION_FAILED = 7,
39 TA_RAP_STATUS__ERROR_ASIC_NOT_SUPPORTED = 8,
40 TA_RAP_STATUS__ERROR_OPERATION_NOT_PERMISSABLE = 9,
41 TA_RAP_STATUS__ERROR_ALREADY_INIT = 10,
42};
43
44enum ta_rap_cmd {
45 TA_CMD_RAP__INITIALIZE = 1,
46 TA_CMD_RAP__VALIDATE_L0 = 2,
47};
48
49enum ta_rap_validation_method {
50 METHOD_A = 1,
51};
52
53struct ta_rap_cmd_input_data {
54 uint8_t reserved[8];
55};
56
57struct ta_rap_cmd_output_data {
58 uint32_t last_subsection;
59 uint32_t num_total_validate;
60 uint32_t num_valid;
61 uint32_t last_validate_addr;
62 uint32_t last_validate_val;
63 uint32_t last_validate_val_exptd;
64};
65
66union ta_rap_cmd_input {
67 struct ta_rap_cmd_input_data input;
68};
69
70union ta_rap_cmd_output {
71 struct ta_rap_cmd_output_data output;
72};
73
74struct ta_rap_shared_memory {
75 uint32_t cmd_id;
76 uint32_t validation_method_id;
77 uint32_t resp_id;
78 enum ta_rap_status rap_status;
79 union ta_rap_cmd_input rap_in_message;
80 union ta_rap_cmd_output rap_out_message;
81 uint8_t reserved[64];
82};
83
84#endif // #define _TA_RAP_IF_H
85

source code of linux/drivers/gpu/drm/amd/amdgpu/ta_rap_if.h