1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (C) 2012 Red Hat, Inc.
4 * Copyright (C) 2012 Jeremy Kerr <jeremy.kerr@canonical.com>
6 #ifndef EFIVAR_FS_INTERNAL_H
7 #define EFIVAR_FS_INTERNAL_H
9 #include <linux/list.h>
10 #include <linux/efi.h>
12 struct efivarfs_mount_opts {
17 struct efivarfs_fs_info {
18 struct efivarfs_mount_opts mount_opts;
22 efi_char16_t VariableName[EFI_VAR_NAME_LEN/sizeof(efi_char16_t)];
23 efi_guid_t VendorGuid;
24 unsigned long DataSize;
28 } __attribute__((packed));
31 struct efi_variable var;
32 struct list_head list;
36 int efivar_init(int (*func)(efi_char16_t *, efi_guid_t, unsigned long, void *),
37 void *data, bool duplicates, struct list_head *head);
39 int efivar_entry_add(struct efivar_entry *entry, struct list_head *head);
40 void __efivar_entry_add(struct efivar_entry *entry, struct list_head *head);
41 void efivar_entry_remove(struct efivar_entry *entry);
42 int efivar_entry_delete(struct efivar_entry *entry);
44 int efivar_entry_size(struct efivar_entry *entry, unsigned long *size);
45 int __efivar_entry_get(struct efivar_entry *entry, u32 *attributes,
46 unsigned long *size, void *data);
47 int efivar_entry_get(struct efivar_entry *entry, u32 *attributes,
48 unsigned long *size, void *data);
49 int efivar_entry_set_get_size(struct efivar_entry *entry, u32 attributes,
50 unsigned long *size, void *data, bool *set);
52 int efivar_entry_iter(int (*func)(struct efivar_entry *, void *),
53 struct list_head *head, void *data);
55 bool efivar_validate(efi_guid_t vendor, efi_char16_t *var_name, u8 *data,
56 unsigned long data_size);
57 bool efivar_variable_is_removable(efi_guid_t vendor, const char *name,
60 extern const struct file_operations efivarfs_file_operations;
61 extern const struct inode_operations efivarfs_dir_inode_operations;
62 extern bool efivarfs_valid_name(const char *str, int len);
63 extern struct inode *efivarfs_get_inode(struct super_block *sb,
64 const struct inode *dir, int mode, dev_t dev,
67 extern struct list_head efivarfs_list;
69 #endif /* EFIVAR_FS_INTERNAL_H */