cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
Log | Files | Refs | Submodules | LICENSE | sfeed.txt

ghes.h (2834B)

      1/*
      2 * Support for generating APEI tables and recording CPER for Guests
      3 *
      4 * Copyright (c) 2020 HUAWEI TECHNOLOGIES CO., LTD.
      5 *
      6 * Author: Dongjiu Geng <gengdongjiu@huawei.com>
      7 *
      8 * This program is free software; you can redistribute it and/or modify
      9 * it under the terms of the GNU General Public License as published by
     10 * the Free Software Foundation; either version 2 of the License, or
     11 * (at your option) any later version.
     12
     13 * This program is distributed in the hope that it will be useful,
     14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
     15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     16 * GNU General Public License for more details.
     17
     18 * You should have received a copy of the GNU General Public License along
     19 * with this program; if not, see <http://www.gnu.org/licenses/>.
     20 */
     21
     22#ifndef ACPI_GHES_H
     23#define ACPI_GHES_H
     24
     25#include "hw/acpi/bios-linker-loader.h"
     26
     27/*
     28 * Values for Hardware Error Notification Type field
     29 */
     30enum AcpiGhesNotifyType {
     31    /* Polled */
     32    ACPI_GHES_NOTIFY_POLLED = 0,
     33    /* External Interrupt */
     34    ACPI_GHES_NOTIFY_EXTERNAL = 1,
     35    /* Local Interrupt */
     36    ACPI_GHES_NOTIFY_LOCAL = 2,
     37    /* SCI */
     38    ACPI_GHES_NOTIFY_SCI = 3,
     39    /* NMI */
     40    ACPI_GHES_NOTIFY_NMI = 4,
     41    /* CMCI, ACPI 5.0: 18.3.2.7, Table 18-290 */
     42    ACPI_GHES_NOTIFY_CMCI = 5,
     43    /* MCE, ACPI 5.0: 18.3.2.7, Table 18-290 */
     44    ACPI_GHES_NOTIFY_MCE = 6,
     45    /* GPIO-Signal, ACPI 6.0: 18.3.2.7, Table 18-332 */
     46    ACPI_GHES_NOTIFY_GPIO = 7,
     47    /* ARMv8 SEA, ACPI 6.1: 18.3.2.9, Table 18-345 */
     48    ACPI_GHES_NOTIFY_SEA = 8,
     49    /* ARMv8 SEI, ACPI 6.1: 18.3.2.9, Table 18-345 */
     50    ACPI_GHES_NOTIFY_SEI = 9,
     51    /* External Interrupt - GSIV, ACPI 6.1: 18.3.2.9, Table 18-345 */
     52    ACPI_GHES_NOTIFY_GSIV = 10,
     53    /* Software Delegated Exception, ACPI 6.2: 18.3.2.9, Table 18-383 */
     54    ACPI_GHES_NOTIFY_SDEI = 11,
     55    /* 12 and greater are reserved */
     56    ACPI_GHES_NOTIFY_RESERVED = 12
     57};
     58
     59enum {
     60    ACPI_HEST_SRC_ID_SEA = 0,
     61    /* future ids go here */
     62    ACPI_HEST_SRC_ID_RESERVED,
     63};
     64
     65typedef struct AcpiGhesState {
     66    uint64_t ghes_addr_le;
     67    bool present; /* True if GHES is present at all on this board */
     68} AcpiGhesState;
     69
     70void build_ghes_error_table(GArray *hardware_errors, BIOSLinker *linker);
     71void acpi_build_hest(GArray *table_data, BIOSLinker *linker,
     72                     const char *oem_id, const char *oem_table_id);
     73void acpi_ghes_add_fw_cfg(AcpiGhesState *vms, FWCfgState *s,
     74                          GArray *hardware_errors);
     75int acpi_ghes_record_errors(uint8_t notify, uint64_t error_physical_addr);
     76
     77/**
     78 * acpi_ghes_present: Report whether ACPI GHES table is present
     79 *
     80 * Returns: true if the system has an ACPI GHES table and it is
     81 * safe to call acpi_ghes_record_errors() to record a memory error.
     82 */
     83bool acpi_ghes_present(void);
     84#endif