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15 #include <linux/string.h>
16 #include <linux/time.h>
17 #include <linux/types.h>
19 #include <linux/rtc.h>
27 #define EFI_LOAD_ERROR ( 1 | (1UL << (BITS_PER_LONG-1)))
28 #define EFI_INVALID_PARAMETER ( 2 | (1UL << (BITS_PER_LONG-1)))
29 #define EFI_UNSUPPORTED ( 3 | (1UL << (BITS_PER_LONG-1)))
30 #define EFI_BAD_BUFFER_SIZE ( 4 | (1UL << (BITS_PER_LONG-1)))
31 #define EFI_BUFFER_TOO_SMALL ( 5 | (1UL << (BITS_PER_LONG-1)))
32 #define EFI_NOT_FOUND (14 | (1UL << (BITS_PER_LONG-1)))
43 #define EFI_GUID(a,b,c,d0,d1,d2,d3,d4,d5,d6,d7) \
45 {{ (a) & 0xff, ((a) >> 8) & 0xff, ((a) >> 16) & 0xff, ((a) >> 24) & 0xff, \
46 (b) & 0xff, ((b) >> 8) & 0xff, \
47 (c) & 0xff, ((c) >> 8) & 0xff, \
48 (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) }})
66 #define EFI_RESERVED_TYPE 0
67 #define EFI_LOADER_CODE 1
68 #define EFI_LOADER_DATA 2
69 #define EFI_BOOT_SERVICES_CODE 3
70 #define EFI_BOOT_SERVICES_DATA 4
71 #define EFI_RUNTIME_SERVICES_CODE 5
72 #define EFI_RUNTIME_SERVICES_DATA 6
73 #define EFI_CONVENTIONAL_MEMORY 7
74 #define EFI_UNUSABLE_MEMORY 8
75 #define EFI_ACPI_RECLAIM_MEMORY 9
76 #define EFI_ACPI_MEMORY_NVS 10
77 #define EFI_MEMORY_MAPPED_IO 11
78 #define EFI_MEMORY_MAPPED_IO_PORT_SPACE 12
79 #define EFI_PAL_CODE 13
80 #define EFI_MAX_MEMORY_TYPE 14
83 #define EFI_MEMORY_UC ((u64)0x0000000000000001ULL)
84 #define EFI_MEMORY_WC ((u64)0x0000000000000002ULL)
85 #define EFI_MEMORY_WT ((u64)0x0000000000000004ULL)
86 #define EFI_MEMORY_WB ((u64)0x0000000000000008ULL)
87 #define EFI_MEMORY_WP ((u64)0x0000000000001000ULL)
88 #define EFI_MEMORY_RP ((u64)0x0000000000002000ULL)
89 #define EFI_MEMORY_XP ((u64)0x0000000000004000ULL)
90 #define EFI_MEMORY_RUNTIME ((u64)0x8000000000000000ULL)
91 #define EFI_MEMORY_DESCRIPTOR_VERSION 1
93 #define EFI_PAGE_SHIFT 12
114 #define EFI_ALLOCATE_ANY_PAGES 0
115 #define EFI_ALLOCATE_MAX_ADDRESS 1
116 #define EFI_ALLOCATE_ADDRESS 2
117 #define EFI_MAX_ALLOCATE_TYPE 3
124 #define EFI_TIME_ADJUST_DAYLIGHT 0x1
125 #define EFI_TIME_IN_DAYLIGHT 0x2
126 #define EFI_UNSPECIFIED_TIMEZONE 0x07ff
202 #define EFI_RESET_COLD 0
203 #define EFI_RESET_WARM 1
204 #define EFI_RESET_SHUTDOWN 2
209 #define EFI_RUNTIME_SERVICES_SIGNATURE ((u64)0x5652453544e5552ULL)
210 #define EFI_RUNTIME_SERVICES_REVISION 0x00010000
246 unsigned long descriptor_size,
247 u32 descriptor_version,
251 u64 *remaining_space,
252 u64 *max_variable_size);
265 EFI_GUID( 0x00000000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 )
267 #define MPS_TABLE_GUID \
268 EFI_GUID( 0xeb9d2d2f, 0x2d88, 0x11d3, 0x9a, 0x16, 0x0, 0x90, 0x27, 0x3f, 0xc1, 0x4d )
270 #define ACPI_TABLE_GUID \
271 EFI_GUID( 0xeb9d2d30, 0x2d88, 0x11d3, 0x9a, 0x16, 0x0, 0x90, 0x27, 0x3f, 0xc1, 0x4d )
273 #define ACPI_20_TABLE_GUID \
274 EFI_GUID( 0x8868e871, 0xe4f1, 0x11d3, 0xbc, 0x22, 0x0, 0x80, 0xc7, 0x3c, 0x88, 0x81 )
276 #define SMBIOS_TABLE_GUID \
277 EFI_GUID( 0xeb9d2d31, 0x2d88, 0x11d3, 0x9a, 0x16, 0x0, 0x90, 0x27, 0x3f, 0xc1, 0x4d )
279 #define SAL_SYSTEM_TABLE_GUID \
280 EFI_GUID( 0xeb9d2d32, 0x2d88, 0x11d3, 0x9a, 0x16, 0x0, 0x90, 0x27, 0x3f, 0xc1, 0x4d )
282 #define HCDP_TABLE_GUID \
283 EFI_GUID( 0xf951938d, 0x620b, 0x42ef, 0x82, 0x79, 0xa8, 0x4b, 0x79, 0x61, 0x78, 0x98 )
285 #define UGA_IO_PROTOCOL_GUID \
286 EFI_GUID( 0x61a4d49e, 0x6f68, 0x4f1b, 0xb9, 0x22, 0xa8, 0x6e, 0xed, 0xb, 0x7, 0xa2 )
288 #define EFI_GLOBAL_VARIABLE_GUID \
289 EFI_GUID( 0x8be4df61, 0x93ca, 0x11d2, 0xaa, 0x0d, 0x00, 0xe0, 0x98, 0x03, 0x2b, 0x8c )
291 #define UV_SYSTEM_TABLE_GUID \
292 EFI_GUID( 0x3b13a7d4, 0x633e, 0x11dd, 0x93, 0xec, 0xda, 0x25, 0x56, 0xd8, 0x95, 0x93 )
294 #define LINUX_EFI_CRASH_GUID \
295 EFI_GUID( 0xcfc8fc79, 0xbe2e, 0x4ddc, 0x97, 0xf0, 0x9f, 0x98, 0xbf, 0xe2, 0x98, 0xa0 )
297 #define LOADED_IMAGE_PROTOCOL_GUID \
298 EFI_GUID( 0x5b1b31a1, 0x9562, 0x11d2, 0x8e, 0x3f, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b )
300 #define EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID \
301 EFI_GUID( 0x9042a9de, 0x23dc, 0x4a38, 0x96, 0xfb, 0x7a, 0xde, 0xd0, 0x80, 0x51, 0x6a )
303 #define EFI_UGA_PROTOCOL_GUID \
304 EFI_GUID( 0x982c298b, 0xf4fa, 0x41cb, 0xb8, 0x38, 0x77, 0xaa, 0x68, 0x8f, 0xb8, 0x39 )
306 #define EFI_PCI_IO_PROTOCOL_GUID \
307 EFI_GUID( 0x4cf5b200, 0x68b8, 0x4ca5, 0x9e, 0xec, 0xb2, 0x3e, 0x3f, 0x50, 0x2, 0x9a )
309 #define EFI_FILE_INFO_ID \
310 EFI_GUID( 0x9576e92, 0x6d3f, 0x11d2, 0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b )
312 #define EFI_FILE_SYSTEM_GUID \
313 EFI_GUID( 0x964e5b22, 0x6459, 0x11d2, 0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b )
330 #define EFI_SYSTEM_TABLE_SIGNATURE ((u64)0x5453595320494249ULL)
332 #define EFI_2_30_SYSTEM_TABLE_REVISION ((2 << 16) | (30))
333 #define EFI_2_20_SYSTEM_TABLE_REVISION ((2 << 16) | (20))
334 #define EFI_2_10_SYSTEM_TABLE_REVISION ((2 << 16) | (10))
335 #define EFI_2_00_SYSTEM_TABLE_REVISION ((2 << 16) | (00))
336 #define EFI_1_10_SYSTEM_TABLE_REVISION ((1 << 16) | (10))
337 #define EFI_1_02_SYSTEM_TABLE_REVISION ((1 << 16) | (02))
444 #define EFI_FILE_MODE_READ 0x0000000000000001
445 #define EFI_FILE_MODE_WRITE 0x0000000000000002
446 #define EFI_FILE_MODE_CREATE 0x8000000000000000
448 #define EFI_INVALID_TABLE_ADDR (~0UL)
527 static inline int efi_range_is_wc(
unsigned long start,
unsigned long len)
540 #ifdef CONFIG_EFI_PCDP
553 # define efi_enabled 1
556 # define efi_enabled 0
562 #define EFI_VARIABLE_NON_VOLATILE 0x0000000000000001
563 #define EFI_VARIABLE_BOOTSERVICE_ACCESS 0x0000000000000002
564 #define EFI_VARIABLE_RUNTIME_ACCESS 0x0000000000000004
565 #define EFI_VARIABLE_HARDWARE_ERROR_RECORD 0x0000000000000008
566 #define EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS 0x0000000000000010
567 #define EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS 0x0000000000000020
568 #define EFI_VARIABLE_APPEND_WRITE 0x0000000000000040
570 #define EFI_VARIABLE_MASK (EFI_VARIABLE_NON_VOLATILE | \
571 EFI_VARIABLE_BOOTSERVICE_ACCESS | \
572 EFI_VARIABLE_RUNTIME_ACCESS | \
573 EFI_VARIABLE_HARDWARE_ERROR_RECORD | \
574 EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS | \
575 EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS | \
576 EFI_VARIABLE_APPEND_WRITE)
580 #define EFI_LOCATE_ALL_HANDLES 0
581 #define EFI_LOCATE_BY_REGISTER_NOTIFY 1
582 #define EFI_LOCATE_BY_PROTOCOL 2
587 #define EFI_DEV_HW 0x01
588 #define EFI_DEV_PCI 1
589 #define EFI_DEV_PCCARD 2
590 #define EFI_DEV_MEM_MAPPED 3
591 #define EFI_DEV_VENDOR 4
592 #define EFI_DEV_CONTROLLER 5
593 #define EFI_DEV_ACPI 0x02
594 #define EFI_DEV_BASIC_ACPI 1
595 #define EFI_DEV_EXPANDED_ACPI 2
596 #define EFI_DEV_MSG 0x03
597 #define EFI_DEV_MSG_ATAPI 1
598 #define EFI_DEV_MSG_SCSI 2
599 #define EFI_DEV_MSG_FC 3
600 #define EFI_DEV_MSG_1394 4
601 #define EFI_DEV_MSG_USB 5
602 #define EFI_DEV_MSG_USB_CLASS 15
603 #define EFI_DEV_MSG_I20 6
604 #define EFI_DEV_MSG_MAC 11
605 #define EFI_DEV_MSG_IPV4 12
606 #define EFI_DEV_MSG_IPV6 13
607 #define EFI_DEV_MSG_INFINIBAND 9
608 #define EFI_DEV_MSG_UART 14
609 #define EFI_DEV_MSG_VENDOR 10
610 #define EFI_DEV_MEDIA 0x04
611 #define EFI_DEV_MEDIA_HARD_DRIVE 1
612 #define EFI_DEV_MEDIA_CDROM 2
613 #define EFI_DEV_MEDIA_VENDOR 3
614 #define EFI_DEV_MEDIA_FILE 4
615 #define EFI_DEV_MEDIA_PROTOCOL 5
616 #define EFI_DEV_BIOS_BOOT 0x05
617 #define EFI_DEV_END_PATH 0x7F
618 #define EFI_DEV_END_PATH2 0xFF
619 #define EFI_DEV_END_INSTANCE 0x01
620 #define EFI_DEV_END_ENTIRE 0xFF
628 static inline void memrange_efi_to_native(
u64 *
addr,
u64 *npages)
634 #if defined(CONFIG_EFI_VARS) || defined(CONFIG_EFI_VARS_MODULE)
642 struct efivar_operations {
661 const struct efivar_operations *
ops;
667 const struct efivar_operations *ops,