1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _LINUX_EFI_EMBEDDED_FW_H
3#define _LINUX_EFI_EMBEDDED_FW_H
4
5#include <linux/list.h>
6#include <linux/mod_devicetable.h>
7
8#define EFI_EMBEDDED_FW_PREFIX_LEN 8
9
10/*
11 * This struct is private to the efi-embedded fw implementation.
12 * They are in this header for use by lib/test_firmware.c only!
13 */
14struct efi_embedded_fw {
15 struct list_head list;
16 const char *name;
17 const u8 *data;
18 size_t length;
19};
20
21/**
22 * struct efi_embedded_fw_desc - This struct is used by the EFI embedded-fw
23 * code to search for embedded firmwares.
24 *
25 * @name: Name to register the firmware with if found
26 * @prefix: First 8 bytes of the firmware
27 * @length: Length of the firmware in bytes including prefix
28 * @sha256: SHA256 of the firmware
29 */
30struct efi_embedded_fw_desc {
31 const char *name;
32 u8 prefix[EFI_EMBEDDED_FW_PREFIX_LEN];
33 u32 length;
34 u8 sha256[32];
35};
36
37extern const struct dmi_system_id touchscreen_dmi_table[];
38
39int efi_get_embedded_fw(const char *name, const u8 **dat, size_t *sz);
40
41#endif
42

source code of linux/include/linux/efi_embedded_fw.h