1 /*
2  * Copyright 2019 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_RAS_IF_H
25 #define _TA_RAS_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 /* RAS related enumerations */
32 /**********************************************************/
33 enum ras_command {
34 	TA_RAS_COMMAND__ENABLE_FEATURES = 0,
35 	TA_RAS_COMMAND__DISABLE_FEATURES,
36 	TA_RAS_COMMAND__TRIGGER_ERROR,
37 };
38 
39 enum ta_ras_status {
40 	TA_RAS_STATUS__SUCCESS				= 0x00,
41 	TA_RAS_STATUS__RESET_NEEDED			= 0x01,
42 	TA_RAS_STATUS__ERROR_INVALID_PARAMETER		= 0x02,
43 	TA_RAS_STATUS__ERROR_RAS_NOT_AVAILABLE		= 0x03,
44 	TA_RAS_STATUS__ERROR_RAS_DUPLICATE_CMD		= 0x04,
45 	TA_RAS_STATUS__ERROR_INJECTION_FAILED		= 0x05,
46 	TA_RAS_STATUS__ERROR_ASD_READ_WRITE		= 0x06,
47 	TA_RAS_STATUS__ERROR_TOGGLE_DF_CSTATE		= 0x07,
48 	TA_RAS_STATUS__ERROR_TIMEOUT			= 0x08,
49 	TA_RAS_STATUS__ERROR_BLOCK_DISABLED		= 0x09,
50 	TA_RAS_STATUS__ERROR_GENERIC			= 0x10,
51 };
52 
53 enum ta_ras_block {
54 	TA_RAS_BLOCK__UMC = 0,
55 	TA_RAS_BLOCK__SDMA,
56 	TA_RAS_BLOCK__GFX,
57 	TA_RAS_BLOCK__MMHUB,
58 	TA_RAS_BLOCK__ATHUB,
59 	TA_RAS_BLOCK__PCIE_BIF,
60 	TA_RAS_BLOCK__HDP,
61 	TA_RAS_BLOCK__XGMI_WAFL,
62 	TA_RAS_BLOCK__DF,
63 	TA_RAS_BLOCK__SMN,
64 	TA_RAS_BLOCK__SEM,
65 	TA_RAS_BLOCK__MP0,
66 	TA_RAS_BLOCK__MP1,
67 	TA_RAS_BLOCK__FUSE,
68 	TA_NUM_BLOCK_MAX
69 };
70 
71 enum ta_ras_error_type {
72 	TA_RAS_ERROR__NONE			= 0,
73 	TA_RAS_ERROR__PARITY			= 1,
74 	TA_RAS_ERROR__SINGLE_CORRECTABLE	= 2,
75 	TA_RAS_ERROR__MULTI_UNCORRECTABLE	= 4,
76 	TA_RAS_ERROR__POISON			= 8,
77 };
78 
79 /* Input/output structures for RAS commands */
80 /**********************************************************/
81 
82 struct ta_ras_enable_features_input {
83 	enum ta_ras_block	block_id;
84 	enum ta_ras_error_type	error_type;
85 };
86 
87 struct ta_ras_disable_features_input {
88 	enum ta_ras_block	block_id;
89 	enum ta_ras_error_type	error_type;
90 };
91 
92 struct ta_ras_trigger_error_input {
93 	enum ta_ras_block	block_id;		// ras-block. i.e. umc, gfx
94 	enum ta_ras_error_type	inject_error_type;	// type of error. i.e. single_correctable
95 	uint32_t		sub_block_index;	// mem block. i.e. hbm, sram etc.
96 	uint64_t		address;		// explicit address of error
97 	uint64_t		value;			// method if error injection. i.e persistent, coherent etc.
98 };
99 
100 /* Common input structure for RAS callbacks */
101 /**********************************************************/
102 union ta_ras_cmd_input {
103 	struct ta_ras_enable_features_input	enable_features;
104 	struct ta_ras_disable_features_input	disable_features;
105 	struct ta_ras_trigger_error_input	trigger_error;
106 };
107 
108 /* Shared Memory structures */
109 /**********************************************************/
110 struct ta_ras_shared_memory {
111 	uint32_t		cmd_id;
112 	uint32_t		resp_id;
113 	enum ta_ras_status	ras_status;
114 	uint32_t		reserved;
115 	union ta_ras_cmd_input	ras_in_message;
116 };
117 
118 #endif // TL_RAS_IF_H_
119