1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Copyright (C) 2012 Red Hat, Inc. 4 * Copyright (C) 2012 Jeremy Kerr <jeremy.kerr@canonical.com> 5 */ 6 #ifndef EFIVAR_FS_INTERNAL_H 7 #define EFIVAR_FS_INTERNAL_H 8 9 #include <linux/list.h> 10 #include <linux/efi.h> 11 12 struct efi_variable { 13 efi_char16_t VariableName[EFI_VAR_NAME_LEN/sizeof(efi_char16_t)]; 14 efi_guid_t VendorGuid; 15 unsigned long DataSize; 16 __u8 Data[1024]; 17 efi_status_t Status; 18 __u32 Attributes; 19 } __attribute__((packed)); 20 21 struct efivar_entry { 22 struct efi_variable var; 23 struct list_head list; 24 struct kobject kobj; 25 }; 26 27 int efivar_init(int (*func)(efi_char16_t *, efi_guid_t, unsigned long, void *), 28 void *data, bool duplicates, struct list_head *head); 29 30 int efivar_entry_add(struct efivar_entry *entry, struct list_head *head); 31 void __efivar_entry_add(struct efivar_entry *entry, struct list_head *head); 32 void efivar_entry_remove(struct efivar_entry *entry); 33 int efivar_entry_delete(struct efivar_entry *entry); 34 35 int efivar_entry_size(struct efivar_entry *entry, unsigned long *size); 36 int __efivar_entry_get(struct efivar_entry *entry, u32 *attributes, 37 unsigned long *size, void *data); 38 int efivar_entry_get(struct efivar_entry *entry, u32 *attributes, 39 unsigned long *size, void *data); 40 int efivar_entry_set_get_size(struct efivar_entry *entry, u32 attributes, 41 unsigned long *size, void *data, bool *set); 42 43 int efivar_entry_iter(int (*func)(struct efivar_entry *, void *), 44 struct list_head *head, void *data); 45 46 bool efivar_validate(efi_guid_t vendor, efi_char16_t *var_name, u8 *data, 47 unsigned long data_size); 48 bool efivar_variable_is_removable(efi_guid_t vendor, const char *name, 49 size_t len); 50 51 extern const struct file_operations efivarfs_file_operations; 52 extern const struct inode_operations efivarfs_dir_inode_operations; 53 extern bool efivarfs_valid_name(const char *str, int len); 54 extern struct inode *efivarfs_get_inode(struct super_block *sb, 55 const struct inode *dir, int mode, dev_t dev, 56 bool is_removable); 57 58 extern struct list_head efivarfs_list; 59 60 #endif /* EFIVAR_FS_INTERNAL_H */ 61
