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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2012 Red Hat, Inc.
* Copyright (C) 2012 Jeremy Kerr <jeremy.kerr@canonical.com>
*/
#ifndef EFIVAR_FS_INTERNAL_H
#define EFIVAR_FS_INTERNAL_H
#include <linux/list.h>
#include <linux/efi.h>
struct efivarfs_mount_opts {
kuid_t uid;
kgid_t gid;
};
struct efivarfs_fs_info {
struct efivarfs_mount_opts mount_opts;
struct list_head efivarfs_list;
struct super_block *sb;
struct notifier_block nb;
};
struct efi_variable {
efi_char16_t VariableName[EFI_VAR_NAME_LEN/sizeof(efi_char16_t)];
efi_guid_t VendorGuid;
unsigned long DataSize;
__u8 Data[1024];
efi_status_t Status;
__u32 Attributes;
} __attribute__((packed));
struct efivar_entry {
struct efi_variable var;
struct list_head list;
struct kobject kobj;
};
int efivar_init(int (*func)(efi_char16_t *, efi_guid_t, unsigned long, void *,
struct list_head *),
void *data, bool duplicates, struct list_head *head);
int efivar_entry_add(struct efivar_entry *entry, struct list_head *head);
void __efivar_entry_add(struct efivar_entry *entry, struct list_head *head);
void efivar_entry_remove(struct efivar_entry *entry);
int efivar_entry_delete(struct efivar_entry *entry);
int efivar_entry_size(struct efivar_entry *entry, unsigned long *size);
int __efivar_entry_get(struct efivar_entry *entry, u32 *attributes,
unsigned long *size, void *data);
int efivar_entry_get(struct efivar_entry *entry, u32 *attributes,
unsigned long *size, void *data);
int efivar_entry_set_get_size(struct efivar_entry *entry, u32 attributes,
unsigned long *size, void *data, bool *set);
int efivar_entry_iter(int (*func)(struct efivar_entry *, void *),
struct list_head *head, void *data);
bool efivar_validate(efi_guid_t vendor, efi_char16_t *var_name, u8 *data,
unsigned long data_size);
bool efivar_variable_is_removable(efi_guid_t vendor, const char *name,
size_t len);
extern const struct file_operations efivarfs_file_operations;
extern const struct inode_operations efivarfs_dir_inode_operations;
extern bool efivarfs_valid_name(const char *str, int len);
extern struct inode *efivarfs_get_inode(struct super_block *sb,
const struct inode *dir, int mode, dev_t dev,
bool is_removable);
#endif /* EFIVAR_FS_INTERNAL_H */
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