LXR linux/include/linux/efi_embedded

   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 and efi_embedded_fw_list are private to the efi-embedded fw
  12 * implementation 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
  21extern struct list_head efi_embedded_fw_list;
  22
  23/**
  24 * struct efi_embedded_fw_desc - This struct is used by the EFI embedded-fw
  25 *                               code to search for embedded firmwares.
  26 *
  27 * @name:   Name to register the firmware with if found
  28 * @prefix: First 8 bytes of the firmware
  29 * @length: Length of the firmware in bytes including prefix
  30 * @sha256: SHA256 of the firmware
  31 */
  32struct efi_embedded_fw_desc {
  33        const char *name;
  34        u8 prefix[EFI_EMBEDDED_FW_PREFIX_LEN];
  35        u32 length;
  36        u8 sha256[32];
  37};
  38
  39extern const struct dmi_system_id touchscreen_dmi_table[];
  40
  41int efi_get_embedded_fw(const char *name, const u8 **dat, size_t *sz);
  42
  43#endif
  44