/usr/include/fwup.h is in libfwup-dev 8-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* libfw - library interface to apply firmware updates
*
* Copyright 2015 Red Hat, Inc.
*
* See "COPYING" for license terms.
*
* Author: Peter Jones <pjones@redhat.com>
*/
#ifndef LIBFWUP_H
#define LIBFWUP_H
#define LIBFWUP_H_INSIDE__
#include <dirent.h>
#include <efivar.h>
#include <errno.h>
#include <sys/types.h>
#include <time.h>
#include <fwup-version.h>
extern int fwup_supported(void);
extern int fwup_esrt_disabled(void);
extern int fwup_enable_esrt(void);
#define FWUP_RESOURCE_TYPE_UNKNOWN 0
#define FWUP_RESOURCE_TYPE_SYSTEM_FIRMWARE 1
#define FWUP_RESOURCE_TYPE_DEVICE_FIRMWARE 2
#define FWUP_RESOURCE_TYPE_UEFI_DRIVER 3
#define FWUP_RESOURCE_TYPE_FMP 4
#define FWUP_LAST_ATTEMPT_STATUS_SUCCESS 0x00000000
#define FWUP_LAST_ATTEMPT_STATUS_ERROR_UNSUCCESSFUL 0x00000001
#define FWUP_LAST_ATTEMPT_STATUS_ERROR_INSUFFICIENT_RESOURCES 0x00000002
#define FWUP_LAST_ATTEMPT_STATUS_ERROR_INCORRECT_VERSION 0x00000003
#define FWUP_LAST_ATTEMPT_STATUS_ERROR_INVALID_FORMAT 0x00000004
#define FWUP_LAST_ATTEMPT_STATUS_ERROR_AUTH_ERROR 0x00000005
#define FWUP_LAST_ATTEMPT_STATUS_ERROR_PWR_EVT_AC 0x00000006
#define FWUP_LAST_ATTEMPT_STATUS_ERROR_PWR_EVT_BATT 0x00000007
typedef struct fwup_resource_s fwup_resource;
typedef struct fwup_resource_iter_s fwup_resource_iter;
extern int fwup_resource_iter_next(fwup_resource_iter *iter,
fwup_resource **re);
extern int fwup_resource_iter_create(fwup_resource_iter **iter);
extern int fwup_resource_iter_destroy(fwup_resource_iter **iter);
extern int fwup_set_up_update(fwup_resource *re, uint64_t hw_inst, int infd);
extern int fwup_set_up_update_with_buf(fwup_resource *re, uint64_t hw_inst,
const void *buf, size_t sz);
extern int fwup_set_guid(fwup_resource_iter *iter, fwup_resource **re,
const efi_guid_t *guid);
extern int fwup_clear_status(fwup_resource *re);
extern int fwup_get_guid(fwup_resource *re, efi_guid_t **guid);
extern int fwup_get_fw_type(fwup_resource *re, uint32_t *type);
extern int fwup_get_fw_version(fwup_resource *re, uint32_t *version);
extern int fwup_get_lowest_supported_fw_version(fwup_resource *re,
uint32_t *version);
extern int fwup_get_last_attempt_info(fwup_resource *re, uint32_t *version,
uint32_t *status, time_t *when);
extern const char *fwup_last_attempt_status_to_string (uint64_t status);
extern int fwup_print_update_info(void);
#undef LIBFWUP_H_INSIDE__
#endif /* LIBFWUP_H */
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