linux/include/acpi/ghes.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef GHES_H
#define GHES_H

#include <acpi/apei.h>
#include <acpi/hed.h>

/*
 * One struct ghes is created for each generic hardware error source.
 * It provides the context for APEI hardware error timer/IRQ/SCI/NMI
 * handler.
 *
 * estatus: memory buffer for error status block, allocated during
 * HEST parsing.
 */
#define GHES_EXITING …

struct ghes { … };

struct ghes_estatus_node { … };

struct ghes_estatus_cache { … };

enum { … };

#ifdef CONFIG_ACPI_APEI_GHES
/**
 * ghes_register_vendor_record_notifier - register a notifier for vendor
 * records that the kernel would otherwise ignore.
 * @nb: pointer to the notifier_block structure of the event handler.
 *
 * return 0 : SUCCESS, non-zero : FAIL
 */
int ghes_register_vendor_record_notifier(struct notifier_block *nb);

/**
 * ghes_unregister_vendor_record_notifier - unregister the previously
 * registered vendor record notifier.
 * @nb: pointer to the notifier_block structure of the vendor record handler.
 */
void ghes_unregister_vendor_record_notifier(struct notifier_block *nb);

struct list_head *ghes_get_devices(void);

void ghes_estatus_pool_region_free(unsigned long addr, u32 size);
#else
static inline struct list_head *ghes_get_devices(void) { return NULL; }

static inline void ghes_estatus_pool_region_free(unsigned long addr, u32 size) { return; }
#endif

int ghes_estatus_pool_init(unsigned int num_ghes);

static inline int acpi_hest_get_version(struct acpi_hest_generic_data *gdata)
{ … }

static inline void *acpi_hest_get_payload(struct acpi_hest_generic_data *gdata)
{ … }

static inline int acpi_hest_get_error_length(struct acpi_hest_generic_data *gdata)
{ … }

static inline int acpi_hest_get_size(struct acpi_hest_generic_data *gdata)
{ … }

static inline int acpi_hest_get_record_size(struct acpi_hest_generic_data *gdata)
{ … }

static inline void *acpi_hest_get_next(struct acpi_hest_generic_data *gdata)
{ … }

#define apei_estatus_for_each_section(estatus, section) …

#ifdef CONFIG_ACPI_APEI_SEA
int ghes_notify_sea(void);
#else
static inline int ghes_notify_sea(void) { … }
#endif

struct notifier_block;
extern void ghes_register_report_chain(struct notifier_block *nb);
extern void ghes_unregister_report_chain(struct notifier_block *nb);
#endif /* GHES_H */