1f0df68d5SHans de Goede /* SPDX-License-Identifier: GPL-2.0 */ 2f0df68d5SHans de Goede #ifndef _LINUX_EFI_EMBEDDED_FW_H 3f0df68d5SHans de Goede #define _LINUX_EFI_EMBEDDED_FW_H 4f0df68d5SHans de Goede 5f0df68d5SHans de Goede #include <linux/list.h> 6f0df68d5SHans de Goede #include <linux/mod_devicetable.h> 7f0df68d5SHans de Goede 8f0df68d5SHans de Goede #define EFI_EMBEDDED_FW_PREFIX_LEN 8 9f0df68d5SHans de Goede 10f0df68d5SHans de Goede /* 11*baaabecfSKees Cook * This struct is private to the efi-embedded fw implementation. 12*baaabecfSKees Cook * They are in this header for use by lib/test_firmware.c only! 13f0df68d5SHans de Goede */ 14f0df68d5SHans de Goede struct efi_embedded_fw { 15f0df68d5SHans de Goede struct list_head list; 16f0df68d5SHans de Goede const char *name; 17f0df68d5SHans de Goede const u8 *data; 18f0df68d5SHans de Goede size_t length; 19f0df68d5SHans de Goede }; 20f0df68d5SHans de Goede 21f0df68d5SHans de Goede /** 22f0df68d5SHans de Goede * struct efi_embedded_fw_desc - This struct is used by the EFI embedded-fw 23f0df68d5SHans de Goede * code to search for embedded firmwares. 24f0df68d5SHans de Goede * 25f0df68d5SHans de Goede * @name: Name to register the firmware with if found 26f0df68d5SHans de Goede * @prefix: First 8 bytes of the firmware 27f0df68d5SHans de Goede * @length: Length of the firmware in bytes including prefix 28f0df68d5SHans de Goede * @sha256: SHA256 of the firmware 29f0df68d5SHans de Goede */ 30f0df68d5SHans de Goede struct efi_embedded_fw_desc { 31f0df68d5SHans de Goede const char *name; 32f0df68d5SHans de Goede u8 prefix[EFI_EMBEDDED_FW_PREFIX_LEN]; 33f0df68d5SHans de Goede u32 length; 34f0df68d5SHans de Goede u8 sha256[32]; 35f0df68d5SHans de Goede }; 36f0df68d5SHans de Goede 37835e1b86SHans de Goede extern const struct dmi_system_id touchscreen_dmi_table[]; 38835e1b86SHans de Goede 39f0df68d5SHans de Goede int efi_get_embedded_fw(const char *name, const u8 **dat, size_t *sz); 40f0df68d5SHans de Goede 41f0df68d5SHans de Goede #endif 42