u8 addr[32];
} __packed;
+#define DEVICE_PATH_TYPE_HARDWARE_DEVICE 0x01
+# define DEVICE_PATH_SUB_TYPE_VENDOR 0x04
+
+struct efi_device_path_vendor {
+ struct efi_device_path dp;
+ efi_guid_t guid;
+ u8 vendor_data[];
+} __packed;
+
+#define DEVICE_PATH_TYPE_ACPI_DEVICE 0x02
+# define DEVICE_PATH_SUB_TYPE_ACPI_DEVICE 0x01
+
+#define EFI_PNP_ID(ID) (u32)(((ID) << 16) | 0x41D0)
+#define EISA_PNP_ID(ID) EFI_PNP_ID(ID)
+
+struct efi_device_path_acpi_path {
+ struct efi_device_path dp;
+ u32 hid;
+ u32 uid;
+} __packed;
+
#define DEVICE_PATH_TYPE_MESSAGING_DEVICE 0x03
+# define DEVICE_PATH_SUB_TYPE_MSG_USB 0x05
# define DEVICE_PATH_SUB_TYPE_MSG_MAC_ADDR 0x0b
+# define DEVICE_PATH_SUB_TYPE_MSG_SD 0x1a
+# define DEVICE_PATH_SUB_TYPE_MSG_MMC 0x1d
+
+struct efi_device_path_usb {
+ struct efi_device_path dp;
+ u8 parent_port_number;
+ u8 usb_interface;
+} __packed;
struct efi_device_path_mac_addr {
struct efi_device_path dp;
u8 if_type;
} __packed;
+struct efi_device_path_sd_mmc_path {
+ struct efi_device_path dp;
+ u8 slot_number;
+} __packed;
+
#define DEVICE_PATH_TYPE_MEDIA_DEVICE 0x04
+# define DEVICE_PATH_SUB_TYPE_HARD_DRIVE_PATH 0x01
+# define DEVICE_PATH_SUB_TYPE_CDROM_PATH 0x02
# define DEVICE_PATH_SUB_TYPE_FILE_PATH 0x04
+struct efi_device_path_hard_drive_path {
+ struct efi_device_path dp;
+ u32 partition_number;
+ u64 partition_start;
+ u64 partition_end;
+ u8 partition_signature[16];
+ u8 partmap_type;
+ u8 signature_type;
+} __packed;
+
+struct efi_device_path_cdrom_path {
+ struct efi_device_path dp;
+ u32 boot_entry;
+ u64 partition_start;
+ u64 partition_end;
+} __packed;
+
struct efi_device_path_file_path {
struct efi_device_path dp;
u16 str[32];