1 // Copyright 2016 The Fuchsia Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #pragma once 6 7 #include <efi/types.h> 8 9 #define EFI_DEVICE_PATH_PROTOCOL_GUID \ 10 {0x09576e91, 0x6d3f, 0x11d2, {0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b}} 11 extern efi_guid DevicePathProtocol; 12 13 typedef struct efi_device_path_protocol { 14 uint8_t Type; 15 uint8_t SubType; 16 uint8_t Length[2]; 17 } efi_device_path_protocol; 18 19 #define DEVICE_PATH_HARDWARE 0x01 20 #define DEVICE_PATH_ACPI 0x02 21 #define DEVICE_PATH_MESSAGING 0x03 22 #define DEVICE_PATH_MEDIA 0x04 23 #define DEVICE_PATH_BIOS_BOOT_SPEC 0x05 24 #define DEVICE_PATH_END 0x7f 25 26 #define DEVICE_PATH_INSTANCE_END 0x01 27 #define DEVICE_PATH_ENTIRE_END 0xff 28 29 #define DEVICE_PATH_HW_PCI 0x01 30 #define DEVICE_PATH_HW_PCCARD 0x02 31 #define DEVICE_PATH_HW_MEMMAP 0x03 32 #define DEVICE_PATH_HW_VENDOR 0x04 33 #define DEVICE_PATH_HW_CONTROLLER 0x05 34 #define DEVICE_PATH_HW_BMC 0x06 35 36 #define DEVICE_PATH_MESSAGING_ATAPI 0x01 37 #define DEVICE_PATH_MESSAGING_SCSI 0x02 38 #define DEVICE_PATH_MESSAGING_FIBRE_CHANNEL 0x03 39 #define DEVICE_PATH_MESSAGING_1394 0x04 40 #define DEVICE_PATH_MESSAGING_USB 0x05 41 #define DEVICE_PATH_MESSAGING_I2O 0x06 42 #define DEVICE_PATH_MESSAGING_INFINIBAND 0x09 43 #define DEVICE_PATH_MESSAGING_VENDOR 0x0a 44 #define DEVICE_PATH_MESSAGING_MAC 0x0b 45 #define DEVICE_PATH_MESSAGING_IPV4 0x0c 46 #define DEVICE_PATH_MESSAGING_IPV6 0x0d 47 #define DEVICE_PATH_MESSAGING_UART 0x0e 48 #define DEVICE_PATH_MESSAGING_USB_CLASS 0x0f 49 #define DEVICE_PATH_MESSAGING_USB_WWID 0x10 50 #define DEVICE_PATH_MESSAGING_USB_LUN 0x11 51 #define DEVICE_PATH_MESSAGING_SATA 0x12 52 #define DEVICE_PATH_MESSAGING_VLAN 0x14 53 #define DEVICE_PATH_MESSAGING_FIBRE_CHANNEL_EX 0x15 54 55 // TODO: sub-types for other types (ACPI, etc) 56 57 // DEVICE_PATH_MEDIA Types 58 #define MEDIA_HARDDRIVE_DP 0x01 59 #define MEDIA_CDROM_DP 0x02 60 #define MEDIA_VENDOR_DP 0x03 61 #define MEDIA_FILEPATH_DP 0x04 62 #define MEDIA_PROTOCOL_DP 0x05 63 64 // TODO: move this to another header? would break circular dependencies between 65 // boot-services.h and this header, for efi_memory_type 66 typedef struct { 67 efi_device_path_protocol Header; 68 efi_memory_type MemoryType; 69 efi_physical_addr StartAddress; 70 efi_physical_addr EndAddress; 71 } efi_device_path_hw_memmap; 72