cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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ta_ras_if.h (5613B)


      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#define RAS_TA_HOST_IF_VER	0
     28
     29/* Responses have bit 31 set */
     30#define RSP_ID_MASK (1U << 31)
     31#define RSP_ID(cmdId) (((uint32_t)(cmdId)) | RSP_ID_MASK)
     32
     33/* RAS related enumerations */
     34/**********************************************************/
     35enum ras_command {
     36	TA_RAS_COMMAND__ENABLE_FEATURES = 0,
     37	TA_RAS_COMMAND__DISABLE_FEATURES,
     38	TA_RAS_COMMAND__TRIGGER_ERROR,
     39};
     40
     41enum ta_ras_status {
     42	TA_RAS_STATUS__SUCCESS                          = 0x0000,
     43	TA_RAS_STATUS__RESET_NEEDED                     = 0xA001,
     44	TA_RAS_STATUS__ERROR_INVALID_PARAMETER          = 0xA002,
     45	TA_RAS_STATUS__ERROR_RAS_NOT_AVAILABLE          = 0xA003,
     46	TA_RAS_STATUS__ERROR_RAS_DUPLICATE_CMD          = 0xA004,
     47	TA_RAS_STATUS__ERROR_INJECTION_FAILED           = 0xA005,
     48	TA_RAS_STATUS__ERROR_ASD_READ_WRITE             = 0xA006,
     49	TA_RAS_STATUS__ERROR_TOGGLE_DF_CSTATE           = 0xA007,
     50	TA_RAS_STATUS__ERROR_TIMEOUT                    = 0xA008,
     51	TA_RAS_STATUS__ERROR_BLOCK_DISABLED             = 0XA009,
     52	TA_RAS_STATUS__ERROR_GENERIC                    = 0xA00A,
     53	TA_RAS_STATUS__ERROR_RAS_MMHUB_INIT             = 0xA00B,
     54	TA_RAS_STATUS__ERROR_GET_DEV_INFO               = 0xA00C,
     55	TA_RAS_STATUS__ERROR_UNSUPPORTED_DEV            = 0xA00D,
     56	TA_RAS_STATUS__ERROR_NOT_INITIALIZED            = 0xA00E,
     57	TA_RAS_STATUS__ERROR_TEE_INTERNAL               = 0xA00F,
     58	TA_RAS_STATUS__ERROR_UNSUPPORTED_FUNCTION       = 0xA010,
     59	TA_RAS_STATUS__ERROR_SYS_DRV_REG_ACCESS         = 0xA011,
     60	TA_RAS_STATUS__ERROR_RAS_READ_WRITE             = 0xA012,
     61	TA_RAS_STATUS__ERROR_NULL_PTR                   = 0xA013,
     62	TA_RAS_STATUS__ERROR_UNSUPPORTED_IP             = 0xA014,
     63	TA_RAS_STATUS__ERROR_PCS_STATE_QUIET            = 0xA015,
     64	TA_RAS_STATUS__ERROR_PCS_STATE_ERROR            = 0xA016,
     65	TA_RAS_STATUS__ERROR_PCS_STATE_HANG             = 0xA017,
     66	TA_RAS_STATUS__ERROR_PCS_STATE_UNKNOWN          = 0xA018,
     67	TA_RAS_STATUS__ERROR_UNSUPPORTED_ERROR_INJ      = 0xA019,
     68	TA_RAS_STATUS__TEE_ERROR_ACCESS_DENIED          = 0xA01A
     69};
     70
     71enum ta_ras_block {
     72	TA_RAS_BLOCK__UMC = 0,
     73	TA_RAS_BLOCK__SDMA,
     74	TA_RAS_BLOCK__GFX,
     75	TA_RAS_BLOCK__MMHUB,
     76	TA_RAS_BLOCK__ATHUB,
     77	TA_RAS_BLOCK__PCIE_BIF,
     78	TA_RAS_BLOCK__HDP,
     79	TA_RAS_BLOCK__XGMI_WAFL,
     80	TA_RAS_BLOCK__DF,
     81	TA_RAS_BLOCK__SMN,
     82	TA_RAS_BLOCK__SEM,
     83	TA_RAS_BLOCK__MP0,
     84	TA_RAS_BLOCK__MP1,
     85	TA_RAS_BLOCK__FUSE,
     86	TA_RAS_BLOCK__MCA,
     87	TA_NUM_BLOCK_MAX
     88};
     89
     90enum ta_ras_mca_block {
     91	TA_RAS_MCA_BLOCK__MP0   = 0,
     92	TA_RAS_MCA_BLOCK__MP1   = 1,
     93	TA_RAS_MCA_BLOCK__MPIO  = 2,
     94	TA_RAS_MCA_BLOCK__IOHC  = 3,
     95	TA_MCA_NUM_BLOCK_MAX
     96};
     97
     98enum ta_ras_error_type {
     99	TA_RAS_ERROR__NONE			= 0,
    100	TA_RAS_ERROR__PARITY			= 1,
    101	TA_RAS_ERROR__SINGLE_CORRECTABLE	= 2,
    102	TA_RAS_ERROR__MULTI_UNCORRECTABLE	= 4,
    103	TA_RAS_ERROR__POISON			= 8,
    104};
    105
    106/* Input/output structures for RAS commands */
    107/**********************************************************/
    108
    109struct ta_ras_enable_features_input {
    110	enum ta_ras_block	block_id;
    111	enum ta_ras_error_type	error_type;
    112};
    113
    114struct ta_ras_disable_features_input {
    115	enum ta_ras_block	block_id;
    116	enum ta_ras_error_type	error_type;
    117};
    118
    119struct ta_ras_trigger_error_input {
    120	enum ta_ras_block	block_id;		// ras-block. i.e. umc, gfx
    121	enum ta_ras_error_type	inject_error_type;	// type of error. i.e. single_correctable
    122	uint32_t		sub_block_index;	// mem block. i.e. hbm, sram etc.
    123	uint64_t		address;		// explicit address of error
    124	uint64_t		value;			// method if error injection. i.e persistent, coherent etc.
    125};
    126
    127struct ta_ras_init_flags {
    128	uint8_t poison_mode_en;
    129	uint8_t dgpu_mode;
    130};
    131
    132struct ta_ras_output_flags {
    133	uint8_t ras_init_success_flag;
    134	uint8_t err_inject_switch_disable_flag;
    135	uint8_t reg_access_failure_flag;
    136};
    137
    138/* Common input structure for RAS callbacks */
    139/**********************************************************/
    140union ta_ras_cmd_input {
    141	struct ta_ras_init_flags		init_flags;
    142	struct ta_ras_enable_features_input	enable_features;
    143	struct ta_ras_disable_features_input	disable_features;
    144	struct ta_ras_trigger_error_input	trigger_error;
    145
    146	uint32_t reserve_pad[256];
    147};
    148
    149union ta_ras_cmd_output {
    150	struct ta_ras_output_flags flags;
    151
    152	uint32_t reserve_pad[256];
    153};
    154
    155/* Shared Memory structures */
    156/**********************************************************/
    157struct ta_ras_shared_memory {
    158	uint32_t		    cmd_id;
    159	uint32_t		    resp_id;
    160	uint32_t	    	    ras_status;
    161	uint32_t		    if_version;
    162	union ta_ras_cmd_input	    ras_in_message;
    163	union ta_ras_cmd_output     ras_out_message;
    164};
    165
    166#endif // TL_RAS_IF_H_