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_rap_if.h (2861B)


      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