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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 
31 enum 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 
44 enum ta_rap_cmd {
45 	TA_CMD_RAP__INITIALIZE              = 1,
46 	TA_CMD_RAP__VALIDATE_L0             = 2,
47 };
48 
49 enum ta_rap_validation_method {
50 	METHOD_A           = 1,
51 };
52 
53 struct ta_rap_cmd_input_data {
54 	uint8_t reserved[8];
55 };
56 
57 struct 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 
66 union ta_rap_cmd_input {
67 	struct ta_rap_cmd_input_data input;
68 };
69 
70 union ta_rap_cmd_output {
71 	struct ta_rap_cmd_output_data output;
72 };
73 
74 struct 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