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/*
* Support for generating APEI tables and recording CPER for Guests
*
* Copyright (c) 2019 HUAWEI TECHNOLOGIES CO., LTD.
*
* Author: Dongjiu Geng <gengdongjiu@huawei.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License along
* with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef ACPI_GHES_H
#define ACPI_GHES_H
#include "hw/acpi/bios-linker-loader.h"
#define ACPI_GHES_ERRORS_FW_CFG_FILE "etc/hardware_errors"
#define ACPI_GHES_DATA_ADDR_FW_CFG_FILE "etc/hardware_errors_addr"
/*
* The size of Address field in Generic Address Structure.
* ACPI 2.0/3.0: 5.2.3.1 Generic Address Structure.
*/
#define ACPI_GHES_ADDRESS_SIZE 8
/* The max size in bytes for one error block */
#define ACPI_GHES_MAX_RAW_DATA_LENGTH 0x1000
/*
* Now only support ARMv8 SEA notification type error source
*/
#define ACPI_GHES_ERROR_SOURCE_COUNT 1
/*
* Generic Hardware Error Source version 2
*/
#define ACPI_GHES_SOURCE_GENERIC_ERROR_V2 10
/*
* Values for Hardware Error Notification Type field
*/
enum AcpiGhesNotifyType {
ACPI_GHES_NOTIFY_POLLED = 0, /* Polled */
ACPI_GHES_NOTIFY_EXTERNAL = 1, /* External Interrupt */
ACPI_GHES_NOTIFY_LOCAL = 2, /* Local Interrupt */
ACPI_GHES_NOTIFY_SCI = 3, /* SCI */
ACPI_GHES_NOTIFY_NMI = 4, /* NMI */
ACPI_GHES_NOTIFY_CMCI = 5, /* CMCI, ACPI 5.0: 18.3.2.7, Table 18-290 */
ACPI_GHES_NOTIFY_MCE = 6, /* MCE, ACPI 5.0: 18.3.2.7, Table 18-290 */
/* GPIO-Signal, ACPI 6.0: 18.3.2.7, Table 18-332 */
ACPI_GHES_NOTIFY_GPIO = 7,
/* ARMv8 SEA, ACPI 6.1: 18.3.2.9, Table 18-345 */
ACPI_GHES_NOTIFY_SEA = 8,
/* ARMv8 SEI, ACPI 6.1: 18.3.2.9, Table 18-345 */
ACPI_GHES_NOTIFY_SEI = 9,
/* External Interrupt - GSIV, ACPI 6.1: 18.3.2.9, Table 18-345 */
ACPI_GHES_NOTIFY_GSIV = 10,
/* Software Delegated Exception, ACPI 6.2: 18.3.2.9, Table 18-383 */
ACPI_GHES_NOTIFY_SDEI = 11,
ACPI_GHES_NOTIFY_RESERVED = 12 /* 12 and greater are reserved */
};
/*
* | +--------------------------+ 0
* | | Header |
* | +--------------------------+ 40---+-
* | | ................. | |
* | | error_status_address-----+ 60 |
* | | ................. | |
* | | read_ack_register--------+ 104 92
* | | read_ack_preserve | |
* | | read_ack_write | |
* + +--------------------------+ 132--+-
*
* From above GHES definition, the error status address offset is 60;
* the Read Ack Register offset is 104, the whole size of GHESv2 is 92
*/
/* The error status address offset in GHES */
#define ACPI_GHES_ERROR_STATUS_ADDRESS_OFFSET(start_addr, n) (start_addr + \
60 + offsetof(struct AcpiGenericAddress, address) + n * 92)
/* The Read Ack Register offset in GHES */
#define ACPI_GHES_READ_ACK_REGISTER_ADDRESS_OFFSET(start_addr, n) (start_addr +\
104 + offsetof(struct AcpiGenericAddress, address) + n * 92)
typedef struct AcpiGhesState {
uint64_t ghes_addr_le;
} AcpiGhesState;
void acpi_ghes_build_hest(GArray *table_data, GArray *hardware_error,
BIOSLinker *linker);
void acpi_ghes_build_error_table(GArray *hardware_errors, BIOSLinker *linker);
void acpi_ghes_add_fw_cfg(FWCfgState *s, GArray *hardware_errors);
#endif
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