#define EFI_BITS_PER_LONG 64
#endif
-#define EFI_SUCCESS 0
-#define EFI_LOAD_ERROR (1 | (1UL << (EFI_BITS_PER_LONG - 1)))
-#define EFI_INVALID_PARAMETER (2 | (1UL << (EFI_BITS_PER_LONG - 1)))
-#define EFI_UNSUPPORTED (3 | (1UL << (EFI_BITS_PER_LONG - 1)))
-#define EFI_BAD_BUFFER_SIZE (4 | (1UL << (EFI_BITS_PER_LONG - 1)))
-#define EFI_BUFFER_TOO_SMALL (5 | (1UL << (EFI_BITS_PER_LONG - 1)))
-#define EFI_NOT_READY (6 | (1UL << (EFI_BITS_PER_LONG - 1)))
-#define EFI_DEVICE_ERROR (7 | (1UL << (EFI_BITS_PER_LONG - 1)))
-#define EFI_WRITE_PROTECTED (8 | (1UL << (EFI_BITS_PER_LONG - 1)))
-#define EFI_OUT_OF_RESOURCES (9 | (1UL << (EFI_BITS_PER_LONG - 1)))
-#define EFI_NOT_FOUND (14 | (1UL << (EFI_BITS_PER_LONG - 1)))
-#define EFI_ACCESS_DENIED (15 | (1UL << (EFI_BITS_PER_LONG - 1)))
-#define EFI_SECURITY_VIOLATION (26 | (1UL << (EFI_BITS_PER_LONG - 1)))
+/* Bit mask for EFI status code with error */
+#define EFI_ERROR_MASK (1UL << (EFI_BITS_PER_LONG - 1))
+/* Status codes returned by EFI protocols */
+#define EFI_SUCCESS 0
+#define EFI_LOAD_ERROR (EFI_ERROR_MASK | 1)
+#define EFI_INVALID_PARAMETER (EFI_ERROR_MASK | 2)
+#define EFI_UNSUPPORTED (EFI_ERROR_MASK | 3)
+#define EFI_BAD_BUFFER_SIZE (EFI_ERROR_MASK | 4)
+#define EFI_BUFFER_TOO_SMALL (EFI_ERROR_MASK | 5)
+#define EFI_NOT_READY (EFI_ERROR_MASK | 6)
+#define EFI_DEVICE_ERROR (EFI_ERROR_MASK | 7)
+#define EFI_WRITE_PROTECTED (EFI_ERROR_MASK | 8)
+#define EFI_OUT_OF_RESOURCES (EFI_ERROR_MASK | 9)
+#define EFI_VOLUME_CORRUPTED (EFI_ERROR_MASK | 10)
+#define EFI_VOLUME_FULL (EFI_ERROR_MASK | 11)
+#define EFI_NO_MEDIA (EFI_ERROR_MASK | 12)
+#define EFI_MEDIA_CHANGED (EFI_ERROR_MASK | 13)
+#define EFI_NOT_FOUND (EFI_ERROR_MASK | 14)
+#define EFI_ACCESS_DENIED (EFI_ERROR_MASK | 15)
+#define EFI_NO_RESPONSE (EFI_ERROR_MASK | 16)
+#define EFI_NO_MAPPING (EFI_ERROR_MASK | 17)
+#define EFI_TIMEOUT (EFI_ERROR_MASK | 18)
+#define EFI_NOT_STARTED (EFI_ERROR_MASK | 19)
+#define EFI_ALREADY_STARTED (EFI_ERROR_MASK | 20)
+#define EFI_ABORTED (EFI_ERROR_MASK | 21)
+#define EFI_ICMP_ERROR (EFI_ERROR_MASK | 22)
+#define EFI_TFTP_ERROR (EFI_ERROR_MASK | 23)
+#define EFI_PROTOCOL_ERROR (EFI_ERROR_MASK | 24)
+#define EFI_INCOMPATIBLE_VERSION (EFI_ERROR_MASK | 25)
+#define EFI_SECURITY_VIOLATION (EFI_ERROR_MASK | 26)
+#define EFI_CRC_ERROR (EFI_ERROR_MASK | 27)
+#define EFI_END_OF_MEDIA (EFI_ERROR_MASK | 28)
+#define EFI_END_OF_FILE (EFI_ERROR_MASK | 31)
+#define EFI_INVALID_LANGUAGE (EFI_ERROR_MASK | 32)
+#define EFI_COMPROMISED_DATA (EFI_ERROR_MASK | 33)
+#define EFI_IP_ADDRESS_CONFLICT (EFI_ERROR_MASK | 34)
+#define EFI_HTTP_ERROR (EFI_ERROR_MASK | 35)
typedef unsigned long efi_status_t;
typedef u64 efi_physical_addr_t;