1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | #ifndef _LINUX_EFI_H |
3 | #define _LINUX_EFI_H |
4 | |
5 | /* |
6 | * Extensible Firmware Interface |
7 | * Based on 'Extensible Firmware Interface Specification' version 0.9, April 30, 1999 |
8 | * |
9 | * Copyright (C) 1999 VA Linux Systems |
10 | * Copyright (C) 1999 Walt Drummond <drummond@valinux.com> |
11 | * Copyright (C) 1999, 2002-2003 Hewlett-Packard Co. |
12 | * David Mosberger-Tang <davidm@hpl.hp.com> |
13 | * Stephane Eranian <eranian@hpl.hp.com> |
14 | */ |
15 | #include <linux/init.h> |
16 | #include <linux/string.h> |
17 | #include <linux/time.h> |
18 | #include <linux/types.h> |
19 | #include <linux/proc_fs.h> |
20 | #include <linux/rtc.h> |
21 | #include <linux/ioport.h> |
22 | #include <linux/pfn.h> |
23 | #include <linux/pstore.h> |
24 | #include <linux/range.h> |
25 | #include <linux/reboot.h> |
26 | #include <linux/uuid.h> |
27 | |
28 | #include <asm/page.h> |
29 | |
30 | struct screen_info; |
31 | |
32 | #define EFI_SUCCESS 0 |
33 | #define EFI_LOAD_ERROR ( 1 | (1UL << (BITS_PER_LONG-1))) |
34 | #define EFI_INVALID_PARAMETER ( 2 | (1UL << (BITS_PER_LONG-1))) |
35 | #define EFI_UNSUPPORTED ( 3 | (1UL << (BITS_PER_LONG-1))) |
36 | #define EFI_BAD_BUFFER_SIZE ( 4 | (1UL << (BITS_PER_LONG-1))) |
37 | #define EFI_BUFFER_TOO_SMALL ( 5 | (1UL << (BITS_PER_LONG-1))) |
38 | #define EFI_NOT_READY ( 6 | (1UL << (BITS_PER_LONG-1))) |
39 | #define EFI_DEVICE_ERROR ( 7 | (1UL << (BITS_PER_LONG-1))) |
40 | #define EFI_WRITE_PROTECTED ( 8 | (1UL << (BITS_PER_LONG-1))) |
41 | #define EFI_OUT_OF_RESOURCES ( 9 | (1UL << (BITS_PER_LONG-1))) |
42 | #define EFI_NOT_FOUND (14 | (1UL << (BITS_PER_LONG-1))) |
43 | #define EFI_TIMEOUT (18 | (1UL << (BITS_PER_LONG-1))) |
44 | #define EFI_ABORTED (21 | (1UL << (BITS_PER_LONG-1))) |
45 | #define EFI_SECURITY_VIOLATION (26 | (1UL << (BITS_PER_LONG-1))) |
46 | |
47 | typedef unsigned long efi_status_t; |
48 | typedef u8 efi_bool_t; |
49 | typedef u16 efi_char16_t; /* UNICODE character */ |
50 | typedef u64 efi_physical_addr_t; |
51 | typedef void *efi_handle_t; |
52 | |
53 | #if defined(CONFIG_X86_64) |
54 | #define __efiapi __attribute__((ms_abi)) |
55 | #elif defined(CONFIG_X86_32) |
56 | #define __efiapi __attribute__((regparm(0))) |
57 | #else |
58 | #define __efiapi |
59 | #endif |
60 | |
61 | /* |
62 | * The UEFI spec and EDK2 reference implementation both define EFI_GUID as |
63 | * struct { u32 a; u16; b; u16 c; u8 d[8]; }; and so the implied alignment |
64 | * is 32 bits not 8 bits like our guid_t. In some cases (i.e., on 32-bit ARM), |
65 | * this means that firmware services invoked by the kernel may assume that |
66 | * efi_guid_t* arguments are 32-bit aligned, and use memory accessors that |
67 | * do not tolerate misalignment. So let's set the minimum alignment to 32 bits. |
68 | * |
69 | * Note that the UEFI spec as well as some comments in the EDK2 code base |
70 | * suggest that EFI_GUID should be 64-bit aligned, but this appears to be |
71 | * a mistake, given that no code seems to exist that actually enforces that |
72 | * or relies on it. |
73 | */ |
74 | typedef guid_t efi_guid_t __aligned(__alignof__(u32)); |
75 | |
76 | #define EFI_GUID(a, b, c, d...) (efi_guid_t){ { \ |
77 | (a) & 0xff, ((a) >> 8) & 0xff, ((a) >> 16) & 0xff, ((a) >> 24) & 0xff, \ |
78 | (b) & 0xff, ((b) >> 8) & 0xff, \ |
79 | (c) & 0xff, ((c) >> 8) & 0xff, d } } |
80 | |
81 | /* |
82 | * Generic EFI table header |
83 | */ |
84 | typedef struct { |
85 | u64 signature; |
86 | u32 revision; |
87 | u32 ; |
88 | u32 crc32; |
89 | u32 reserved; |
90 | } efi_table_hdr_t; |
91 | |
92 | /* |
93 | * Memory map descriptor: |
94 | */ |
95 | |
96 | /* Memory types: */ |
97 | #define EFI_RESERVED_TYPE 0 |
98 | #define EFI_LOADER_CODE 1 |
99 | #define EFI_LOADER_DATA 2 |
100 | #define EFI_BOOT_SERVICES_CODE 3 |
101 | #define EFI_BOOT_SERVICES_DATA 4 |
102 | #define EFI_RUNTIME_SERVICES_CODE 5 |
103 | #define EFI_RUNTIME_SERVICES_DATA 6 |
104 | #define EFI_CONVENTIONAL_MEMORY 7 |
105 | #define EFI_UNUSABLE_MEMORY 8 |
106 | #define EFI_ACPI_RECLAIM_MEMORY 9 |
107 | #define EFI_ACPI_MEMORY_NVS 10 |
108 | #define EFI_MEMORY_MAPPED_IO 11 |
109 | #define EFI_MEMORY_MAPPED_IO_PORT_SPACE 12 |
110 | #define EFI_PAL_CODE 13 |
111 | #define EFI_PERSISTENT_MEMORY 14 |
112 | #define EFI_UNACCEPTED_MEMORY 15 |
113 | #define EFI_MAX_MEMORY_TYPE 16 |
114 | |
115 | /* Attribute values: */ |
116 | #define EFI_MEMORY_UC ((u64)0x0000000000000001ULL) /* uncached */ |
117 | #define EFI_MEMORY_WC ((u64)0x0000000000000002ULL) /* write-coalescing */ |
118 | #define EFI_MEMORY_WT ((u64)0x0000000000000004ULL) /* write-through */ |
119 | #define EFI_MEMORY_WB ((u64)0x0000000000000008ULL) /* write-back */ |
120 | #define EFI_MEMORY_UCE ((u64)0x0000000000000010ULL) /* uncached, exported */ |
121 | #define EFI_MEMORY_WP ((u64)0x0000000000001000ULL) /* write-protect */ |
122 | #define EFI_MEMORY_RP ((u64)0x0000000000002000ULL) /* read-protect */ |
123 | #define EFI_MEMORY_XP ((u64)0x0000000000004000ULL) /* execute-protect */ |
124 | #define EFI_MEMORY_NV ((u64)0x0000000000008000ULL) /* non-volatile */ |
125 | #define EFI_MEMORY_MORE_RELIABLE \ |
126 | ((u64)0x0000000000010000ULL) /* higher reliability */ |
127 | #define EFI_MEMORY_RO ((u64)0x0000000000020000ULL) /* read-only */ |
128 | #define EFI_MEMORY_SP ((u64)0x0000000000040000ULL) /* soft reserved */ |
129 | #define EFI_MEMORY_CPU_CRYPTO ((u64)0x0000000000080000ULL) /* supports encryption */ |
130 | #define EFI_MEMORY_RUNTIME ((u64)0x8000000000000000ULL) /* range requires runtime mapping */ |
131 | #define EFI_MEMORY_DESCRIPTOR_VERSION 1 |
132 | |
133 | #define EFI_PAGE_SHIFT 12 |
134 | #define EFI_PAGE_SIZE (1UL << EFI_PAGE_SHIFT) |
135 | #define EFI_PAGES_MAX (U64_MAX >> EFI_PAGE_SHIFT) |
136 | |
137 | typedef struct { |
138 | u32 type; |
139 | u32 pad; |
140 | u64 phys_addr; |
141 | u64 virt_addr; |
142 | u64 num_pages; |
143 | u64 attribute; |
144 | } efi_memory_desc_t; |
145 | |
146 | typedef struct { |
147 | efi_guid_t ; |
148 | u32 ; |
149 | u32 ; |
150 | u32 ; |
151 | } ; |
152 | |
153 | /* EFI_FIRMWARE_MANAGEMENT_CAPSULE_HEADER */ |
154 | struct { |
155 | u32 ; |
156 | u16 ; |
157 | u16 ; |
158 | /* |
159 | * Variable-size array of the size given by the sum of |
160 | * emb_drv_cnt and payload_cnt. |
161 | */ |
162 | u64 []; |
163 | } __packed; |
164 | |
165 | /* EFI_FIRMWARE_MANAGEMENT_CAPSULE_IMAGE_HEADER */ |
166 | struct { |
167 | u32 ; |
168 | efi_guid_t ; |
169 | u8 ; |
170 | u8 [3]; |
171 | u32 ; |
172 | u32 ; |
173 | /* hw_ins was introduced in version 2 */ |
174 | u64 ; |
175 | /* capsule_support was introduced in version 3 */ |
176 | u64 ; |
177 | } __packed; |
178 | |
179 | /* WIN_CERTIFICATE */ |
180 | struct win_cert { |
181 | u32 len; |
182 | u16 rev; |
183 | u16 cert_type; |
184 | }; |
185 | |
186 | /* WIN_CERTIFICATE_UEFI_GUID */ |
187 | struct win_cert_uefi_guid { |
188 | struct win_cert hdr; |
189 | efi_guid_t cert_type; |
190 | u8 cert_data[]; |
191 | }; |
192 | |
193 | /* EFI_FIRMWARE_IMAGE_AUTHENTICATION */ |
194 | struct efi_image_auth { |
195 | u64 mon_count; |
196 | struct win_cert_uefi_guid auth_info; |
197 | }; |
198 | |
199 | /* |
200 | * EFI capsule flags |
201 | */ |
202 | #define EFI_CAPSULE_PERSIST_ACROSS_RESET 0x00010000 |
203 | #define EFI_CAPSULE_POPULATE_SYSTEM_TABLE 0x00020000 |
204 | #define EFI_CAPSULE_INITIATE_RESET 0x00040000 |
205 | |
206 | struct capsule_info { |
207 | efi_capsule_header_t ; |
208 | efi_capsule_header_t *capsule; |
209 | int reset_type; |
210 | long index; |
211 | size_t count; |
212 | size_t total_size; |
213 | struct page **pages; |
214 | phys_addr_t *phys; |
215 | size_t page_bytes_remain; |
216 | }; |
217 | |
218 | int efi_capsule_setup_info(struct capsule_info *cap_info, void *kbuff, |
219 | size_t hdr_bytes); |
220 | int __efi_capsule_setup_info(struct capsule_info *cap_info); |
221 | |
222 | /* |
223 | * Types and defines for Time Services |
224 | */ |
225 | #define EFI_TIME_ADJUST_DAYLIGHT 0x1 |
226 | #define EFI_TIME_IN_DAYLIGHT 0x2 |
227 | #define EFI_UNSPECIFIED_TIMEZONE 0x07ff |
228 | |
229 | typedef struct { |
230 | u16 year; |
231 | u8 month; |
232 | u8 day; |
233 | u8 hour; |
234 | u8 minute; |
235 | u8 second; |
236 | u8 pad1; |
237 | u32 nanosecond; |
238 | s16 timezone; |
239 | u8 daylight; |
240 | u8 pad2; |
241 | } efi_time_t; |
242 | |
243 | typedef struct { |
244 | u32 resolution; |
245 | u32 accuracy; |
246 | u8 sets_to_zero; |
247 | } efi_time_cap_t; |
248 | |
249 | typedef union efi_boot_services efi_boot_services_t; |
250 | |
251 | /* |
252 | * Types and defines for EFI ResetSystem |
253 | */ |
254 | #define EFI_RESET_COLD 0 |
255 | #define EFI_RESET_WARM 1 |
256 | #define EFI_RESET_SHUTDOWN 2 |
257 | |
258 | /* |
259 | * EFI Runtime Services table |
260 | */ |
261 | #define EFI_RUNTIME_SERVICES_SIGNATURE ((u64)0x5652453544e5552ULL) |
262 | #define EFI_RUNTIME_SERVICES_REVISION 0x00010000 |
263 | |
264 | typedef struct { |
265 | efi_table_hdr_t hdr; |
266 | u32 get_time; |
267 | u32 set_time; |
268 | u32 get_wakeup_time; |
269 | u32 set_wakeup_time; |
270 | u32 set_virtual_address_map; |
271 | u32 convert_pointer; |
272 | u32 get_variable; |
273 | u32 get_next_variable; |
274 | u32 set_variable; |
275 | u32 get_next_high_mono_count; |
276 | u32 reset_system; |
277 | u32 update_capsule; |
278 | u32 query_capsule_caps; |
279 | u32 query_variable_info; |
280 | } efi_runtime_services_32_t; |
281 | |
282 | typedef efi_status_t efi_get_time_t (efi_time_t *tm, efi_time_cap_t *tc); |
283 | typedef efi_status_t efi_set_time_t (efi_time_t *tm); |
284 | typedef efi_status_t efi_get_wakeup_time_t (efi_bool_t *enabled, efi_bool_t *pending, |
285 | efi_time_t *tm); |
286 | typedef efi_status_t efi_set_wakeup_time_t (efi_bool_t enabled, efi_time_t *tm); |
287 | typedef efi_status_t efi_get_variable_t (efi_char16_t *name, efi_guid_t *vendor, u32 *attr, |
288 | unsigned long *data_size, void *data); |
289 | typedef efi_status_t efi_get_next_variable_t (unsigned long *name_size, efi_char16_t *name, |
290 | efi_guid_t *vendor); |
291 | typedef efi_status_t efi_set_variable_t (efi_char16_t *name, efi_guid_t *vendor, |
292 | u32 attr, unsigned long data_size, |
293 | void *data); |
294 | typedef efi_status_t efi_get_next_high_mono_count_t (u32 *count); |
295 | typedef void efi_reset_system_t (int reset_type, efi_status_t status, |
296 | unsigned long data_size, efi_char16_t *data); |
297 | typedef efi_status_t efi_set_virtual_address_map_t (unsigned long memory_map_size, |
298 | unsigned long descriptor_size, |
299 | u32 descriptor_version, |
300 | efi_memory_desc_t *virtual_map); |
301 | typedef efi_status_t efi_query_variable_info_t(u32 attr, |
302 | u64 *storage_space, |
303 | u64 *remaining_space, |
304 | u64 *max_variable_size); |
305 | typedef efi_status_t efi_update_capsule_t(efi_capsule_header_t **capsules, |
306 | unsigned long count, |
307 | unsigned long sg_list); |
308 | typedef efi_status_t efi_query_capsule_caps_t(efi_capsule_header_t **capsules, |
309 | unsigned long count, |
310 | u64 *max_size, |
311 | int *reset_type); |
312 | typedef efi_status_t efi_query_variable_store_t(u32 attributes, |
313 | unsigned long size, |
314 | bool nonblocking); |
315 | |
316 | typedef union { |
317 | struct { |
318 | efi_table_hdr_t hdr; |
319 | efi_get_time_t __efiapi *get_time; |
320 | efi_set_time_t __efiapi *set_time; |
321 | efi_get_wakeup_time_t __efiapi *get_wakeup_time; |
322 | efi_set_wakeup_time_t __efiapi *set_wakeup_time; |
323 | efi_set_virtual_address_map_t __efiapi *set_virtual_address_map; |
324 | void *convert_pointer; |
325 | efi_get_variable_t __efiapi *get_variable; |
326 | efi_get_next_variable_t __efiapi *get_next_variable; |
327 | efi_set_variable_t __efiapi *set_variable; |
328 | efi_get_next_high_mono_count_t __efiapi *get_next_high_mono_count; |
329 | efi_reset_system_t __efiapi *reset_system; |
330 | efi_update_capsule_t __efiapi *update_capsule; |
331 | efi_query_capsule_caps_t __efiapi *query_capsule_caps; |
332 | efi_query_variable_info_t __efiapi *query_variable_info; |
333 | }; |
334 | efi_runtime_services_32_t mixed_mode; |
335 | } efi_runtime_services_t; |
336 | |
337 | void efi_native_runtime_setup(void); |
338 | |
339 | /* |
340 | * EFI Configuration Table and GUID definitions |
341 | * |
342 | * These are all defined in a single line to make them easier to |
343 | * grep for and to see them at a glance - while still having a |
344 | * similar structure to the definitions in the spec. |
345 | * |
346 | * Here's how they are structured: |
347 | * |
348 | * GUID: 12345678-1234-1234-1234-123456789012 |
349 | * Spec: |
350 | * #define EFI_SOME_PROTOCOL_GUID \ |
351 | * {0x12345678,0x1234,0x1234,\ |
352 | * {0x12,0x34,0x12,0x34,0x56,0x78,0x90,0x12}} |
353 | * Here: |
354 | * #define SOME_PROTOCOL_GUID EFI_GUID(0x12345678, 0x1234, 0x1234, 0x12, 0x34, 0x12, 0x34, 0x56, 0x78, 0x90, 0x12) |
355 | * ^ tabs ^extra space |
356 | * |
357 | * Note that the 'extra space' separates the values at the same place |
358 | * where the UEFI SPEC breaks the line. |
359 | */ |
360 | #define NULL_GUID EFI_GUID(0x00000000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00) |
361 | #define ACPI_TABLE_GUID EFI_GUID(0xeb9d2d30, 0x2d88, 0x11d3, 0x9a, 0x16, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d) |
362 | #define ACPI_20_TABLE_GUID EFI_GUID(0x8868e871, 0xe4f1, 0x11d3, 0xbc, 0x22, 0x00, 0x80, 0xc7, 0x3c, 0x88, 0x81) |
363 | #define SMBIOS_TABLE_GUID EFI_GUID(0xeb9d2d31, 0x2d88, 0x11d3, 0x9a, 0x16, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d) |
364 | #define SMBIOS3_TABLE_GUID EFI_GUID(0xf2fd1544, 0x9794, 0x4a2c, 0x99, 0x2e, 0xe5, 0xbb, 0xcf, 0x20, 0xe3, 0x94) |
365 | #define UGA_IO_PROTOCOL_GUID EFI_GUID(0x61a4d49e, 0x6f68, 0x4f1b, 0xb9, 0x22, 0xa8, 0x6e, 0xed, 0x0b, 0x07, 0xa2) |
366 | #define EFI_GLOBAL_VARIABLE_GUID EFI_GUID(0x8be4df61, 0x93ca, 0x11d2, 0xaa, 0x0d, 0x00, 0xe0, 0x98, 0x03, 0x2b, 0x8c) |
367 | #define UV_SYSTEM_TABLE_GUID EFI_GUID(0x3b13a7d4, 0x633e, 0x11dd, 0x93, 0xec, 0xda, 0x25, 0x56, 0xd8, 0x95, 0x93) |
368 | #define LINUX_EFI_CRASH_GUID EFI_GUID(0xcfc8fc79, 0xbe2e, 0x4ddc, 0x97, 0xf0, 0x9f, 0x98, 0xbf, 0xe2, 0x98, 0xa0) |
369 | #define LOADED_IMAGE_PROTOCOL_GUID EFI_GUID(0x5b1b31a1, 0x9562, 0x11d2, 0x8e, 0x3f, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b) |
370 | #define LOADED_IMAGE_DEVICE_PATH_PROTOCOL_GUID EFI_GUID(0xbc62157e, 0x3e33, 0x4fec, 0x99, 0x20, 0x2d, 0x3b, 0x36, 0xd7, 0x50, 0xdf) |
371 | #define EFI_DEVICE_PATH_PROTOCOL_GUID EFI_GUID(0x09576e91, 0x6d3f, 0x11d2, 0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b) |
372 | #define EFI_DEVICE_PATH_TO_TEXT_PROTOCOL_GUID EFI_GUID(0x8b843e20, 0x8132, 0x4852, 0x90, 0xcc, 0x55, 0x1a, 0x4e, 0x4a, 0x7f, 0x1c) |
373 | #define EFI_DEVICE_PATH_FROM_TEXT_PROTOCOL_GUID EFI_GUID(0x05c99a21, 0xc70f, 0x4ad2, 0x8a, 0x5f, 0x35, 0xdf, 0x33, 0x43, 0xf5, 0x1e) |
374 | #define EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID EFI_GUID(0x9042a9de, 0x23dc, 0x4a38, 0x96, 0xfb, 0x7a, 0xde, 0xd0, 0x80, 0x51, 0x6a) |
375 | #define EFI_UGA_PROTOCOL_GUID EFI_GUID(0x982c298b, 0xf4fa, 0x41cb, 0xb8, 0x38, 0x77, 0xaa, 0x68, 0x8f, 0xb8, 0x39) |
376 | #define EFI_PCI_IO_PROTOCOL_GUID EFI_GUID(0x4cf5b200, 0x68b8, 0x4ca5, 0x9e, 0xec, 0xb2, 0x3e, 0x3f, 0x50, 0x02, 0x9a) |
377 | #define EFI_FILE_INFO_ID EFI_GUID(0x09576e92, 0x6d3f, 0x11d2, 0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b) |
378 | #define EFI_SYSTEM_RESOURCE_TABLE_GUID EFI_GUID(0xb122a263, 0x3661, 0x4f68, 0x99, 0x29, 0x78, 0xf8, 0xb0, 0xd6, 0x21, 0x80) |
379 | #define EFI_FILE_SYSTEM_GUID EFI_GUID(0x964e5b22, 0x6459, 0x11d2, 0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b) |
380 | #define DEVICE_TREE_GUID EFI_GUID(0xb1b621d5, 0xf19c, 0x41a5, 0x83, 0x0b, 0xd9, 0x15, 0x2c, 0x69, 0xaa, 0xe0) |
381 | #define EFI_PROPERTIES_TABLE_GUID EFI_GUID(0x880aaca3, 0x4adc, 0x4a04, 0x90, 0x79, 0xb7, 0x47, 0x34, 0x08, 0x25, 0xe5) |
382 | #define EFI_RNG_PROTOCOL_GUID EFI_GUID(0x3152bca5, 0xeade, 0x433d, 0x86, 0x2e, 0xc0, 0x1c, 0xdc, 0x29, 0x1f, 0x44) |
383 | #define EFI_RNG_ALGORITHM_RAW EFI_GUID(0xe43176d7, 0xb6e8, 0x4827, 0xb7, 0x84, 0x7f, 0xfd, 0xc4, 0xb6, 0x85, 0x61) |
384 | #define EFI_MEMORY_ATTRIBUTES_TABLE_GUID EFI_GUID(0xdcfa911d, 0x26eb, 0x469f, 0xa2, 0x20, 0x38, 0xb7, 0xdc, 0x46, 0x12, 0x20) |
385 | #define EFI_CONSOLE_OUT_DEVICE_GUID EFI_GUID(0xd3b36f2c, 0xd551, 0x11d4, 0x9a, 0x46, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d) |
386 | #define APPLE_PROPERTIES_PROTOCOL_GUID EFI_GUID(0x91bd12fe, 0xf6c3, 0x44fb, 0xa5, 0xb7, 0x51, 0x22, 0xab, 0x30, 0x3a, 0xe0) |
387 | #define EFI_TCG2_PROTOCOL_GUID EFI_GUID(0x607f766c, 0x7455, 0x42be, 0x93, 0x0b, 0xe4, 0xd7, 0x6d, 0xb2, 0x72, 0x0f) |
388 | #define EFI_LOAD_FILE_PROTOCOL_GUID EFI_GUID(0x56ec3091, 0x954c, 0x11d2, 0x8e, 0x3f, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b) |
389 | #define EFI_LOAD_FILE2_PROTOCOL_GUID EFI_GUID(0x4006c0c1, 0xfcb3, 0x403e, 0x99, 0x6d, 0x4a, 0x6c, 0x87, 0x24, 0xe0, 0x6d) |
390 | #define EFI_RT_PROPERTIES_TABLE_GUID EFI_GUID(0xeb66918a, 0x7eef, 0x402a, 0x84, 0x2e, 0x93, 0x1d, 0x21, 0xc3, 0x8a, 0xe9) |
391 | #define EFI_DXE_SERVICES_TABLE_GUID EFI_GUID(0x05ad34ba, 0x6f02, 0x4214, 0x95, 0x2e, 0x4d, 0xa0, 0x39, 0x8e, 0x2b, 0xb9) |
392 | #define EFI_SMBIOS_PROTOCOL_GUID EFI_GUID(0x03583ff6, 0xcb36, 0x4940, 0x94, 0x7e, 0xb9, 0xb3, 0x9f, 0x4a, 0xfa, 0xf7) |
393 | #define EFI_MEMORY_ATTRIBUTE_PROTOCOL_GUID EFI_GUID(0xf4560cf6, 0x40ec, 0x4b4a, 0xa1, 0x92, 0xbf, 0x1d, 0x57, 0xd0, 0xb1, 0x89) |
394 | |
395 | #define EFI_IMAGE_SECURITY_DATABASE_GUID EFI_GUID(0xd719b2cb, 0x3d3a, 0x4596, 0xa3, 0xbc, 0xda, 0xd0, 0x0e, 0x67, 0x65, 0x6f) |
396 | #define EFI_SHIM_LOCK_GUID EFI_GUID(0x605dab50, 0xe046, 0x4300, 0xab, 0xb6, 0x3d, 0xd8, 0x10, 0xdd, 0x8b, 0x23) |
397 | |
398 | #define EFI_CERT_SHA256_GUID EFI_GUID(0xc1c41626, 0x504c, 0x4092, 0xac, 0xa9, 0x41, 0xf9, 0x36, 0x93, 0x43, 0x28) |
399 | #define EFI_CERT_X509_GUID EFI_GUID(0xa5c059a1, 0x94e4, 0x4aa7, 0x87, 0xb5, 0xab, 0x15, 0x5c, 0x2b, 0xf0, 0x72) |
400 | #define EFI_CERT_X509_SHA256_GUID EFI_GUID(0x3bd2a492, 0x96c0, 0x4079, 0xb4, 0x20, 0xfc, 0xf9, 0x8e, 0xf1, 0x03, 0xed) |
401 | #define EFI_CC_BLOB_GUID EFI_GUID(0x067b1f5f, 0xcf26, 0x44c5, 0x85, 0x54, 0x93, 0xd7, 0x77, 0x91, 0x2d, 0x42) |
402 | |
403 | /* |
404 | * This GUID is used to pass to the kernel proper the struct screen_info |
405 | * structure that was populated by the stub based on the GOP protocol instance |
406 | * associated with ConOut |
407 | */ |
408 | #define LINUX_EFI_SCREEN_INFO_TABLE_GUID EFI_GUID(0xe03fc20a, 0x85dc, 0x406e, 0xb9, 0x0e, 0x4a, 0xb5, 0x02, 0x37, 0x1d, 0x95) |
409 | #define LINUX_EFI_ARM_CPU_STATE_TABLE_GUID EFI_GUID(0xef79e4aa, 0x3c3d, 0x4989, 0xb9, 0x02, 0x07, 0xa9, 0x43, 0xe5, 0x50, 0xd2) |
410 | #define LINUX_EFI_LOADER_ENTRY_GUID EFI_GUID(0x4a67b082, 0x0a4c, 0x41cf, 0xb6, 0xc7, 0x44, 0x0b, 0x29, 0xbb, 0x8c, 0x4f) |
411 | #define LINUX_EFI_RANDOM_SEED_TABLE_GUID EFI_GUID(0x1ce1e5bc, 0x7ceb, 0x42f2, 0x81, 0xe5, 0x8a, 0xad, 0xf1, 0x80, 0xf5, 0x7b) |
412 | #define LINUX_EFI_TPM_EVENT_LOG_GUID EFI_GUID(0xb7799cb0, 0xeca2, 0x4943, 0x96, 0x67, 0x1f, 0xae, 0x07, 0xb7, 0x47, 0xfa) |
413 | #define LINUX_EFI_TPM_FINAL_LOG_GUID EFI_GUID(0x1e2ed096, 0x30e2, 0x4254, 0xbd, 0x89, 0x86, 0x3b, 0xbe, 0xf8, 0x23, 0x25) |
414 | #define LINUX_EFI_MEMRESERVE_TABLE_GUID EFI_GUID(0x888eb0c6, 0x8ede, 0x4ff5, 0xa8, 0xf0, 0x9a, 0xee, 0x5c, 0xb9, 0x77, 0xc2) |
415 | #define LINUX_EFI_INITRD_MEDIA_GUID EFI_GUID(0x5568e427, 0x68fc, 0x4f3d, 0xac, 0x74, 0xca, 0x55, 0x52, 0x31, 0xcc, 0x68) |
416 | #define LINUX_EFI_MOK_VARIABLE_TABLE_GUID EFI_GUID(0xc451ed2b, 0x9694, 0x45d3, 0xba, 0xba, 0xed, 0x9f, 0x89, 0x88, 0xa3, 0x89) |
417 | #define LINUX_EFI_COCO_SECRET_AREA_GUID EFI_GUID(0xadf956ad, 0xe98c, 0x484c, 0xae, 0x11, 0xb5, 0x1c, 0x7d, 0x33, 0x64, 0x47) |
418 | #define LINUX_EFI_BOOT_MEMMAP_GUID EFI_GUID(0x800f683f, 0xd08b, 0x423a, 0xa2, 0x93, 0x96, 0x5c, 0x3c, 0x6f, 0xe2, 0xb4) |
419 | #define LINUX_EFI_UNACCEPTED_MEM_TABLE_GUID EFI_GUID(0xd5d1de3c, 0x105c, 0x44f9, 0x9e, 0xa9, 0xbc, 0xef, 0x98, 0x12, 0x00, 0x31) |
420 | |
421 | #define RISCV_EFI_BOOT_PROTOCOL_GUID EFI_GUID(0xccd15fec, 0x6f73, 0x4eec, 0x83, 0x95, 0x3e, 0x69, 0xe4, 0xb9, 0x40, 0xbf) |
422 | |
423 | /* |
424 | * This GUID may be installed onto the kernel image's handle as a NULL protocol |
425 | * to signal to the stub that the placement of the image should be respected, |
426 | * and moving the image in physical memory is undesirable. To ensure |
427 | * compatibility with 64k pages kernels with virtually mapped stacks, and to |
428 | * avoid defeating physical randomization, this protocol should only be |
429 | * installed if the image was placed at a randomized 128k aligned address in |
430 | * memory. |
431 | */ |
432 | #define LINUX_EFI_LOADED_IMAGE_FIXED_GUID EFI_GUID(0xf5a37b6d, 0x3344, 0x42a5, 0xb6, 0xbb, 0x97, 0x86, 0x48, 0xc1, 0x89, 0x0a) |
433 | |
434 | /* OEM GUIDs */ |
435 | #define DELLEMC_EFI_RCI2_TABLE_GUID EFI_GUID(0x2d9f28a2, 0xa886, 0x456a, 0x97, 0xa8, 0xf1, 0x1e, 0xf2, 0x4f, 0xf4, 0x55) |
436 | #define AMD_SEV_MEM_ENCRYPT_GUID EFI_GUID(0x0cf29b71, 0x9e51, 0x433a, 0xa3, 0xb7, 0x81, 0xf3, 0xab, 0x16, 0xb8, 0x75) |
437 | |
438 | /* OVMF protocol GUIDs */ |
439 | #define OVMF_SEV_MEMORY_ACCEPTANCE_PROTOCOL_GUID EFI_GUID(0xc5a010fe, 0x38a7, 0x4531, 0x8a, 0x4a, 0x05, 0x00, 0xd2, 0xfd, 0x16, 0x49) |
440 | |
441 | typedef struct { |
442 | efi_guid_t guid; |
443 | u64 table; |
444 | } efi_config_table_64_t; |
445 | |
446 | typedef struct { |
447 | efi_guid_t guid; |
448 | u32 table; |
449 | } efi_config_table_32_t; |
450 | |
451 | typedef union { |
452 | struct { |
453 | efi_guid_t guid; |
454 | void *table; |
455 | }; |
456 | efi_config_table_32_t mixed_mode; |
457 | } efi_config_table_t; |
458 | |
459 | typedef struct { |
460 | efi_guid_t guid; |
461 | unsigned long *ptr; |
462 | const char name[16]; |
463 | } efi_config_table_type_t; |
464 | |
465 | #define EFI_SYSTEM_TABLE_SIGNATURE ((u64)0x5453595320494249ULL) |
466 | #define EFI_DXE_SERVICES_TABLE_SIGNATURE ((u64)0x565245535f455844ULL) |
467 | |
468 | #define EFI_2_30_SYSTEM_TABLE_REVISION ((2 << 16) | (30)) |
469 | #define EFI_2_20_SYSTEM_TABLE_REVISION ((2 << 16) | (20)) |
470 | #define EFI_2_10_SYSTEM_TABLE_REVISION ((2 << 16) | (10)) |
471 | #define EFI_2_00_SYSTEM_TABLE_REVISION ((2 << 16) | (00)) |
472 | #define EFI_1_10_SYSTEM_TABLE_REVISION ((1 << 16) | (10)) |
473 | #define EFI_1_02_SYSTEM_TABLE_REVISION ((1 << 16) | (02)) |
474 | |
475 | typedef struct { |
476 | efi_table_hdr_t hdr; |
477 | u64 fw_vendor; /* physical addr of CHAR16 vendor string */ |
478 | u32 fw_revision; |
479 | u32 __pad1; |
480 | u64 con_in_handle; |
481 | u64 con_in; |
482 | u64 con_out_handle; |
483 | u64 con_out; |
484 | u64 stderr_handle; |
485 | u64 stderr; |
486 | u64 runtime; |
487 | u64 boottime; |
488 | u32 nr_tables; |
489 | u32 __pad2; |
490 | u64 tables; |
491 | } efi_system_table_64_t; |
492 | |
493 | typedef struct { |
494 | efi_table_hdr_t hdr; |
495 | u32 fw_vendor; /* physical addr of CHAR16 vendor string */ |
496 | u32 fw_revision; |
497 | u32 con_in_handle; |
498 | u32 con_in; |
499 | u32 con_out_handle; |
500 | u32 con_out; |
501 | u32 stderr_handle; |
502 | u32 stderr; |
503 | u32 runtime; |
504 | u32 boottime; |
505 | u32 nr_tables; |
506 | u32 tables; |
507 | } efi_system_table_32_t; |
508 | |
509 | typedef union efi_simple_text_input_protocol efi_simple_text_input_protocol_t; |
510 | typedef union efi_simple_text_output_protocol efi_simple_text_output_protocol_t; |
511 | |
512 | typedef union { |
513 | struct { |
514 | efi_table_hdr_t hdr; |
515 | unsigned long fw_vendor; /* physical addr of CHAR16 vendor string */ |
516 | u32 fw_revision; |
517 | unsigned long con_in_handle; |
518 | efi_simple_text_input_protocol_t *con_in; |
519 | unsigned long con_out_handle; |
520 | efi_simple_text_output_protocol_t *con_out; |
521 | unsigned long stderr_handle; |
522 | unsigned long stderr; |
523 | efi_runtime_services_t *runtime; |
524 | efi_boot_services_t *boottime; |
525 | unsigned long nr_tables; |
526 | unsigned long tables; |
527 | }; |
528 | efi_system_table_32_t mixed_mode; |
529 | } efi_system_table_t; |
530 | |
531 | struct efi_boot_memmap { |
532 | unsigned long map_size; |
533 | unsigned long desc_size; |
534 | u32 desc_ver; |
535 | unsigned long map_key; |
536 | unsigned long buff_size; |
537 | efi_memory_desc_t map[]; |
538 | }; |
539 | |
540 | struct efi_unaccepted_memory { |
541 | u32 version; |
542 | u32 unit_size; |
543 | u64 phys_base; |
544 | u64 size; |
545 | unsigned long bitmap[]; |
546 | }; |
547 | |
548 | /* |
549 | * Architecture independent structure for describing a memory map for the |
550 | * benefit of efi_memmap_init_early(), and for passing context between |
551 | * efi_memmap_alloc() and efi_memmap_install(). |
552 | */ |
553 | struct efi_memory_map_data { |
554 | phys_addr_t phys_map; |
555 | unsigned long size; |
556 | unsigned long desc_version; |
557 | unsigned long desc_size; |
558 | unsigned long flags; |
559 | }; |
560 | |
561 | struct efi_memory_map { |
562 | phys_addr_t phys_map; |
563 | void *map; |
564 | void *map_end; |
565 | int nr_map; |
566 | unsigned long desc_version; |
567 | unsigned long desc_size; |
568 | #define EFI_MEMMAP_LATE (1UL << 0) |
569 | #define EFI_MEMMAP_MEMBLOCK (1UL << 1) |
570 | #define EFI_MEMMAP_SLAB (1UL << 2) |
571 | unsigned long flags; |
572 | }; |
573 | |
574 | struct efi_mem_range { |
575 | struct range range; |
576 | u64 attribute; |
577 | }; |
578 | |
579 | typedef struct { |
580 | u32 version; |
581 | u32 length; |
582 | u64 memory_protection_attribute; |
583 | } efi_properties_table_t; |
584 | |
585 | #define EFI_PROPERTIES_TABLE_VERSION 0x00010000 |
586 | #define EFI_PROPERTIES_RUNTIME_MEMORY_PROTECTION_NON_EXECUTABLE_PE_DATA 0x1 |
587 | |
588 | typedef struct { |
589 | u16 version; |
590 | u16 length; |
591 | u32 runtime_services_supported; |
592 | } efi_rt_properties_table_t; |
593 | |
594 | #define EFI_RT_PROPERTIES_TABLE_VERSION 0x1 |
595 | |
596 | #define EFI_INVALID_TABLE_ADDR (~0UL) |
597 | |
598 | // BIT0 implies that Runtime code includes the forward control flow guard |
599 | // instruction, such as X86 CET-IBT or ARM BTI. |
600 | #define EFI_MEMORY_ATTRIBUTES_FLAGS_RT_FORWARD_CONTROL_FLOW_GUARD 0x1 |
601 | |
602 | typedef struct { |
603 | u32 version; |
604 | u32 num_entries; |
605 | u32 desc_size; |
606 | u32 flags; |
607 | efi_memory_desc_t entry[0]; |
608 | } efi_memory_attributes_table_t; |
609 | |
610 | typedef struct { |
611 | efi_guid_t signature_owner; |
612 | u8 signature_data[]; |
613 | } efi_signature_data_t; |
614 | |
615 | typedef struct { |
616 | efi_guid_t signature_type; |
617 | u32 signature_list_size; |
618 | u32 ; |
619 | u32 signature_size; |
620 | u8 []; |
621 | /* efi_signature_data_t signatures[][] */ |
622 | } efi_signature_list_t; |
623 | |
624 | typedef u8 efi_sha256_hash_t[32]; |
625 | |
626 | typedef struct { |
627 | efi_sha256_hash_t to_be_signed_hash; |
628 | efi_time_t time_of_revocation; |
629 | } efi_cert_x509_sha256_t; |
630 | |
631 | extern unsigned long __ro_after_init efi_rng_seed; /* RNG Seed table */ |
632 | |
633 | /* |
634 | * All runtime access to EFI goes through this structure: |
635 | */ |
636 | extern struct efi { |
637 | const efi_runtime_services_t *runtime; /* EFI runtime services table */ |
638 | unsigned int runtime_version; /* Runtime services version */ |
639 | unsigned int runtime_supported_mask; |
640 | |
641 | unsigned long acpi; /* ACPI table (IA64 ext 0.71) */ |
642 | unsigned long acpi20; /* ACPI table (ACPI 2.0) */ |
643 | unsigned long smbios; /* SMBIOS table (32 bit entry point) */ |
644 | unsigned long smbios3; /* SMBIOS table (64 bit entry point) */ |
645 | unsigned long esrt; /* ESRT table */ |
646 | unsigned long tpm_log; /* TPM2 Event Log table */ |
647 | unsigned long tpm_final_log; /* TPM2 Final Events Log table */ |
648 | unsigned long mokvar_table; /* MOK variable config table */ |
649 | unsigned long coco_secret; /* Confidential computing secret table */ |
650 | unsigned long unaccepted; /* Unaccepted memory table */ |
651 | |
652 | efi_get_time_t *get_time; |
653 | efi_set_time_t *set_time; |
654 | efi_get_wakeup_time_t *get_wakeup_time; |
655 | efi_set_wakeup_time_t *set_wakeup_time; |
656 | efi_get_variable_t *get_variable; |
657 | efi_get_next_variable_t *get_next_variable; |
658 | efi_set_variable_t *set_variable; |
659 | efi_set_variable_t *set_variable_nonblocking; |
660 | efi_query_variable_info_t *query_variable_info; |
661 | efi_query_variable_info_t *query_variable_info_nonblocking; |
662 | efi_update_capsule_t *update_capsule; |
663 | efi_query_capsule_caps_t *query_capsule_caps; |
664 | efi_get_next_high_mono_count_t *get_next_high_mono_count; |
665 | efi_reset_system_t *reset_system; |
666 | |
667 | struct efi_memory_map memmap; |
668 | unsigned long flags; |
669 | } efi; |
670 | |
671 | #define EFI_RT_SUPPORTED_GET_TIME 0x0001 |
672 | #define EFI_RT_SUPPORTED_SET_TIME 0x0002 |
673 | #define EFI_RT_SUPPORTED_GET_WAKEUP_TIME 0x0004 |
674 | #define EFI_RT_SUPPORTED_SET_WAKEUP_TIME 0x0008 |
675 | #define EFI_RT_SUPPORTED_GET_VARIABLE 0x0010 |
676 | #define EFI_RT_SUPPORTED_GET_NEXT_VARIABLE_NAME 0x0020 |
677 | #define EFI_RT_SUPPORTED_SET_VARIABLE 0x0040 |
678 | #define EFI_RT_SUPPORTED_SET_VIRTUAL_ADDRESS_MAP 0x0080 |
679 | #define EFI_RT_SUPPORTED_CONVERT_POINTER 0x0100 |
680 | #define EFI_RT_SUPPORTED_GET_NEXT_HIGH_MONOTONIC_COUNT 0x0200 |
681 | #define EFI_RT_SUPPORTED_RESET_SYSTEM 0x0400 |
682 | #define EFI_RT_SUPPORTED_UPDATE_CAPSULE 0x0800 |
683 | #define EFI_RT_SUPPORTED_QUERY_CAPSULE_CAPABILITIES 0x1000 |
684 | #define EFI_RT_SUPPORTED_QUERY_VARIABLE_INFO 0x2000 |
685 | |
686 | #define EFI_RT_SUPPORTED_ALL 0x3fff |
687 | |
688 | #define EFI_RT_SUPPORTED_TIME_SERVICES 0x0003 |
689 | #define EFI_RT_SUPPORTED_WAKEUP_SERVICES 0x000c |
690 | #define EFI_RT_SUPPORTED_VARIABLE_SERVICES 0x0070 |
691 | |
692 | extern struct mm_struct efi_mm; |
693 | |
694 | static inline int |
695 | efi_guidcmp (efi_guid_t left, efi_guid_t right) |
696 | { |
697 | return memcmp(p: &left, q: &right, size: sizeof (efi_guid_t)); |
698 | } |
699 | |
700 | static inline char * |
701 | efi_guid_to_str(efi_guid_t *guid, char *out) |
702 | { |
703 | sprintf(buf: out, fmt: "%pUl" , guid->b); |
704 | return out; |
705 | } |
706 | |
707 | extern void efi_init (void); |
708 | extern void efi_earlycon_reprobe(void); |
709 | #ifdef CONFIG_EFI |
710 | extern void efi_enter_virtual_mode (void); /* switch EFI to virtual mode, if possible */ |
711 | #else |
712 | static inline void efi_enter_virtual_mode (void) {} |
713 | #endif |
714 | #ifdef CONFIG_X86 |
715 | extern efi_status_t efi_query_variable_store(u32 attributes, |
716 | unsigned long size, |
717 | bool nonblocking); |
718 | #else |
719 | |
720 | static inline efi_status_t efi_query_variable_store(u32 attributes, |
721 | unsigned long size, |
722 | bool nonblocking) |
723 | { |
724 | return EFI_SUCCESS; |
725 | } |
726 | #endif |
727 | |
728 | extern int __init __efi_memmap_init(struct efi_memory_map_data *data); |
729 | extern int __init efi_memmap_init_early(struct efi_memory_map_data *data); |
730 | extern int __init efi_memmap_init_late(phys_addr_t addr, unsigned long size); |
731 | extern void __init efi_memmap_unmap(void); |
732 | |
733 | #ifdef CONFIG_EFI_ESRT |
734 | extern void __init efi_esrt_init(void); |
735 | #else |
736 | static inline void efi_esrt_init(void) { } |
737 | #endif |
738 | extern int efi_config_parse_tables(const efi_config_table_t *config_tables, |
739 | int count, |
740 | const efi_config_table_type_t *arch_tables); |
741 | extern int (const efi_table_hdr_t *systab_hdr); |
742 | extern void (const efi_table_hdr_t *systab_hdr, |
743 | unsigned long fw_vendor); |
744 | extern u64 efi_get_iobase (void); |
745 | extern int efi_mem_type(unsigned long phys_addr); |
746 | extern u64 efi_mem_attributes (unsigned long phys_addr); |
747 | extern u64 efi_mem_attribute (unsigned long phys_addr, unsigned long size); |
748 | extern int __init efi_uart_console_only (void); |
749 | extern u64 efi_mem_desc_end(efi_memory_desc_t *md); |
750 | extern int efi_mem_desc_lookup(u64 phys_addr, efi_memory_desc_t *out_md); |
751 | extern int __efi_mem_desc_lookup(u64 phys_addr, efi_memory_desc_t *out_md); |
752 | extern void efi_mem_reserve(phys_addr_t addr, u64 size); |
753 | extern int efi_mem_reserve_persistent(phys_addr_t addr, u64 size); |
754 | extern void efi_initialize_iomem_resources(struct resource *code_resource, |
755 | struct resource *data_resource, struct resource *bss_resource); |
756 | extern u64 efi_get_fdt_params(struct efi_memory_map_data *data); |
757 | extern struct kobject *efi_kobj; |
758 | |
759 | extern int efi_reboot_quirk_mode; |
760 | extern bool efi_poweroff_required(void); |
761 | |
762 | extern unsigned long efi_mem_attr_table; |
763 | |
764 | /* |
765 | * efi_memattr_perm_setter - arch specific callback function passed into |
766 | * efi_memattr_apply_permissions() that updates the |
767 | * mapping permissions described by the second |
768 | * argument in the page tables referred to by the |
769 | * first argument. |
770 | */ |
771 | typedef int (*efi_memattr_perm_setter)(struct mm_struct *, efi_memory_desc_t *, bool); |
772 | |
773 | extern int efi_memattr_init(void); |
774 | extern int efi_memattr_apply_permissions(struct mm_struct *mm, |
775 | efi_memattr_perm_setter fn); |
776 | |
777 | /* |
778 | * efi_early_memdesc_ptr - get the n-th EFI memmap descriptor |
779 | * @map: the start of efi memmap |
780 | * @desc_size: the size of space for each EFI memmap descriptor |
781 | * @n: the index of efi memmap descriptor |
782 | * |
783 | * EFI boot service provides the GetMemoryMap() function to get a copy of the |
784 | * current memory map which is an array of memory descriptors, each of |
785 | * which describes a contiguous block of memory. It also gets the size of the |
786 | * map, and the size of each descriptor, etc. |
787 | * |
788 | * Note that per section 6.2 of UEFI Spec 2.6 Errata A, the returned size of |
789 | * each descriptor might not be equal to sizeof(efi_memory_memdesc_t), |
790 | * since efi_memory_memdesc_t may be extended in the future. Thus the OS |
791 | * MUST use the returned size of the descriptor to find the start of each |
792 | * efi_memory_memdesc_t in the memory map array. This should only be used |
793 | * during bootup since for_each_efi_memory_desc_xxx() is available after the |
794 | * kernel initializes the EFI subsystem to set up struct efi_memory_map. |
795 | */ |
796 | #define efi_early_memdesc_ptr(map, desc_size, n) \ |
797 | (efi_memory_desc_t *)((void *)(map) + ((n) * (desc_size))) |
798 | |
799 | /* Iterate through an efi_memory_map */ |
800 | #define for_each_efi_memory_desc_in_map(m, md) \ |
801 | for ((md) = (m)->map; \ |
802 | (md) && ((void *)(md) + (m)->desc_size) <= (m)->map_end; \ |
803 | (md) = (void *)(md) + (m)->desc_size) |
804 | |
805 | /** |
806 | * for_each_efi_memory_desc - iterate over descriptors in efi.memmap |
807 | * @md: the efi_memory_desc_t * iterator |
808 | * |
809 | * Once the loop finishes @md must not be accessed. |
810 | */ |
811 | #define for_each_efi_memory_desc(md) \ |
812 | for_each_efi_memory_desc_in_map(&efi.memmap, md) |
813 | |
814 | /* |
815 | * Format an EFI memory descriptor's type and attributes to a user-provided |
816 | * character buffer, as per snprintf(), and return the buffer. |
817 | */ |
818 | char * __init efi_md_typeattr_format(char *buf, size_t size, |
819 | const efi_memory_desc_t *md); |
820 | |
821 | |
822 | typedef void (*efi_element_handler_t)(const char *source, |
823 | const void *element_data, |
824 | size_t element_size); |
825 | extern int __init parse_efi_signature_list( |
826 | const char *source, |
827 | const void *data, size_t size, |
828 | efi_element_handler_t (*get_handler_for_guid)(const efi_guid_t *)); |
829 | |
830 | /** |
831 | * efi_range_is_wc - check the WC bit on an address range |
832 | * @start: starting kvirt address |
833 | * @len: length of range |
834 | * |
835 | * Consult the EFI memory map and make sure it's ok to set this range WC. |
836 | * Returns true or false. |
837 | */ |
838 | static inline int efi_range_is_wc(unsigned long start, unsigned long len) |
839 | { |
840 | unsigned long i; |
841 | |
842 | for (i = 0; i < len; i += (1UL << EFI_PAGE_SHIFT)) { |
843 | unsigned long paddr = __pa(start + i); |
844 | if (!(efi_mem_attributes(phys_addr: paddr) & EFI_MEMORY_WC)) |
845 | return 0; |
846 | } |
847 | /* The range checked out */ |
848 | return 1; |
849 | } |
850 | |
851 | /* |
852 | * We play games with efi_enabled so that the compiler will, if |
853 | * possible, remove EFI-related code altogether. |
854 | */ |
855 | #define EFI_BOOT 0 /* Were we booted from EFI? */ |
856 | #define EFI_CONFIG_TABLES 2 /* Can we use EFI config tables? */ |
857 | #define EFI_RUNTIME_SERVICES 3 /* Can we use runtime services? */ |
858 | #define EFI_MEMMAP 4 /* Can we use EFI memory map? */ |
859 | #define EFI_64BIT 5 /* Is the firmware 64-bit? */ |
860 | #define EFI_PARAVIRT 6 /* Access is via a paravirt interface */ |
861 | #define EFI_ARCH_1 7 /* First arch-specific bit */ |
862 | #define EFI_DBG 8 /* Print additional debug info at runtime */ |
863 | #define EFI_NX_PE_DATA 9 /* Can runtime data regions be mapped non-executable? */ |
864 | #define EFI_MEM_ATTR 10 /* Did firmware publish an EFI_MEMORY_ATTRIBUTES table? */ |
865 | #define EFI_MEM_NO_SOFT_RESERVE 11 /* Is the kernel configured to ignore soft reservations? */ |
866 | #define EFI_PRESERVE_BS_REGIONS 12 /* Are EFI boot-services memory segments available? */ |
867 | |
868 | #ifdef CONFIG_EFI |
869 | /* |
870 | * Test whether the above EFI_* bits are enabled. |
871 | */ |
872 | static inline bool efi_enabled(int feature) |
873 | { |
874 | return test_bit(feature, &efi.flags) != 0; |
875 | } |
876 | extern void efi_reboot(enum reboot_mode reboot_mode, const char *__unused); |
877 | |
878 | bool __pure __efi_soft_reserve_enabled(void); |
879 | |
880 | static inline bool __pure efi_soft_reserve_enabled(void) |
881 | { |
882 | return IS_ENABLED(CONFIG_EFI_SOFT_RESERVE) |
883 | && __efi_soft_reserve_enabled(); |
884 | } |
885 | |
886 | static inline bool efi_rt_services_supported(unsigned int mask) |
887 | { |
888 | return (efi.runtime_supported_mask & mask) == mask; |
889 | } |
890 | extern void efi_find_mirror(void); |
891 | #else |
892 | static inline bool efi_enabled(int feature) |
893 | { |
894 | return false; |
895 | } |
896 | static inline void |
897 | efi_reboot(enum reboot_mode reboot_mode, const char *__unused) {} |
898 | |
899 | static inline bool efi_soft_reserve_enabled(void) |
900 | { |
901 | return false; |
902 | } |
903 | |
904 | static inline bool efi_rt_services_supported(unsigned int mask) |
905 | { |
906 | return false; |
907 | } |
908 | |
909 | static inline void efi_find_mirror(void) {} |
910 | #endif |
911 | |
912 | extern int efi_status_to_err(efi_status_t status); |
913 | |
914 | /* |
915 | * Variable Attributes |
916 | */ |
917 | #define EFI_VARIABLE_NON_VOLATILE 0x0000000000000001 |
918 | #define EFI_VARIABLE_BOOTSERVICE_ACCESS 0x0000000000000002 |
919 | #define EFI_VARIABLE_RUNTIME_ACCESS 0x0000000000000004 |
920 | #define EFI_VARIABLE_HARDWARE_ERROR_RECORD 0x0000000000000008 |
921 | #define EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS 0x0000000000000010 |
922 | #define EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS 0x0000000000000020 |
923 | #define EFI_VARIABLE_APPEND_WRITE 0x0000000000000040 |
924 | |
925 | #define EFI_VARIABLE_MASK (EFI_VARIABLE_NON_VOLATILE | \ |
926 | EFI_VARIABLE_BOOTSERVICE_ACCESS | \ |
927 | EFI_VARIABLE_RUNTIME_ACCESS | \ |
928 | EFI_VARIABLE_HARDWARE_ERROR_RECORD | \ |
929 | EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS | \ |
930 | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS | \ |
931 | EFI_VARIABLE_APPEND_WRITE) |
932 | /* |
933 | * Length of a GUID string (strlen("aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee")) |
934 | * not including trailing NUL |
935 | */ |
936 | #define EFI_VARIABLE_GUID_LEN UUID_STRING_LEN |
937 | |
938 | /* |
939 | * EFI Device Path information |
940 | */ |
941 | #define EFI_DEV_HW 0x01 |
942 | #define EFI_DEV_PCI 1 |
943 | #define EFI_DEV_PCCARD 2 |
944 | #define EFI_DEV_MEM_MAPPED 3 |
945 | #define EFI_DEV_VENDOR 4 |
946 | #define EFI_DEV_CONTROLLER 5 |
947 | #define EFI_DEV_ACPI 0x02 |
948 | #define EFI_DEV_BASIC_ACPI 1 |
949 | #define EFI_DEV_EXPANDED_ACPI 2 |
950 | #define EFI_DEV_MSG 0x03 |
951 | #define EFI_DEV_MSG_ATAPI 1 |
952 | #define EFI_DEV_MSG_SCSI 2 |
953 | #define EFI_DEV_MSG_FC 3 |
954 | #define EFI_DEV_MSG_1394 4 |
955 | #define EFI_DEV_MSG_USB 5 |
956 | #define EFI_DEV_MSG_USB_CLASS 15 |
957 | #define EFI_DEV_MSG_I20 6 |
958 | #define EFI_DEV_MSG_MAC 11 |
959 | #define EFI_DEV_MSG_IPV4 12 |
960 | #define EFI_DEV_MSG_IPV6 13 |
961 | #define EFI_DEV_MSG_INFINIBAND 9 |
962 | #define EFI_DEV_MSG_UART 14 |
963 | #define EFI_DEV_MSG_VENDOR 10 |
964 | #define EFI_DEV_MEDIA 0x04 |
965 | #define EFI_DEV_MEDIA_HARD_DRIVE 1 |
966 | #define EFI_DEV_MEDIA_CDROM 2 |
967 | #define EFI_DEV_MEDIA_VENDOR 3 |
968 | #define EFI_DEV_MEDIA_FILE 4 |
969 | #define EFI_DEV_MEDIA_PROTOCOL 5 |
970 | #define EFI_DEV_MEDIA_REL_OFFSET 8 |
971 | #define EFI_DEV_BIOS_BOOT 0x05 |
972 | #define EFI_DEV_END_PATH 0x7F |
973 | #define EFI_DEV_END_PATH2 0xFF |
974 | #define EFI_DEV_END_INSTANCE 0x01 |
975 | #define EFI_DEV_END_ENTIRE 0xFF |
976 | |
977 | struct efi_generic_dev_path { |
978 | u8 type; |
979 | u8 sub_type; |
980 | u16 length; |
981 | } __packed; |
982 | |
983 | struct efi_acpi_dev_path { |
984 | struct efi_generic_dev_path ; |
985 | u32 hid; |
986 | u32 uid; |
987 | } __packed; |
988 | |
989 | struct efi_pci_dev_path { |
990 | struct efi_generic_dev_path ; |
991 | u8 fn; |
992 | u8 dev; |
993 | } __packed; |
994 | |
995 | struct efi_vendor_dev_path { |
996 | struct efi_generic_dev_path ; |
997 | efi_guid_t vendorguid; |
998 | u8 vendordata[]; |
999 | } __packed; |
1000 | |
1001 | struct efi_rel_offset_dev_path { |
1002 | struct efi_generic_dev_path ; |
1003 | u32 reserved; |
1004 | u64 starting_offset; |
1005 | u64 ending_offset; |
1006 | } __packed; |
1007 | |
1008 | struct efi_mem_mapped_dev_path { |
1009 | struct efi_generic_dev_path ; |
1010 | u32 memory_type; |
1011 | u64 starting_addr; |
1012 | u64 ending_addr; |
1013 | } __packed; |
1014 | |
1015 | struct efi_file_path_dev_path { |
1016 | struct efi_generic_dev_path ; |
1017 | efi_char16_t filename[]; |
1018 | } __packed; |
1019 | |
1020 | struct efi_dev_path { |
1021 | union { |
1022 | struct efi_generic_dev_path ; |
1023 | struct efi_acpi_dev_path acpi; |
1024 | struct efi_pci_dev_path pci; |
1025 | struct efi_vendor_dev_path vendor; |
1026 | struct efi_rel_offset_dev_path rel_offset; |
1027 | }; |
1028 | } __packed; |
1029 | |
1030 | struct device *efi_get_device_by_path(const struct efi_dev_path **node, |
1031 | size_t *len); |
1032 | |
1033 | static inline void memrange_efi_to_native(u64 *addr, u64 *npages) |
1034 | { |
1035 | *npages = PFN_UP(*addr + (*npages<<EFI_PAGE_SHIFT)) - PFN_DOWN(*addr); |
1036 | *addr &= PAGE_MASK; |
1037 | } |
1038 | |
1039 | /* |
1040 | * EFI Variable support. |
1041 | * |
1042 | * Different firmware drivers can expose their EFI-like variables using |
1043 | * the following. |
1044 | */ |
1045 | |
1046 | struct efivar_operations { |
1047 | efi_get_variable_t *get_variable; |
1048 | efi_get_next_variable_t *get_next_variable; |
1049 | efi_set_variable_t *set_variable; |
1050 | efi_set_variable_t *set_variable_nonblocking; |
1051 | efi_query_variable_store_t *query_variable_store; |
1052 | efi_query_variable_info_t *query_variable_info; |
1053 | }; |
1054 | |
1055 | struct efivars { |
1056 | struct kset *kset; |
1057 | const struct efivar_operations *ops; |
1058 | }; |
1059 | |
1060 | #ifdef CONFIG_X86 |
1061 | u64 __attribute_const__ efivar_reserved_space(void); |
1062 | #else |
1063 | static inline u64 efivar_reserved_space(void) { return 0; } |
1064 | #endif |
1065 | |
1066 | /* |
1067 | * The maximum size of VariableName + Data = 1024 |
1068 | * Therefore, it's reasonable to save that much |
1069 | * space in each part of the structure, |
1070 | * and we use a page for reading/writing. |
1071 | */ |
1072 | |
1073 | #define EFI_VAR_NAME_LEN 1024 |
1074 | |
1075 | int efivars_register(struct efivars *efivars, |
1076 | const struct efivar_operations *ops); |
1077 | int efivars_unregister(struct efivars *efivars); |
1078 | |
1079 | #ifdef CONFIG_EFI |
1080 | bool efivar_is_available(void); |
1081 | #else |
1082 | static inline bool efivar_is_available(void) { return false; } |
1083 | #endif |
1084 | |
1085 | bool efivar_supports_writes(void); |
1086 | |
1087 | int efivar_lock(void); |
1088 | int efivar_trylock(void); |
1089 | void efivar_unlock(void); |
1090 | |
1091 | efi_status_t efivar_get_variable(efi_char16_t *name, efi_guid_t *vendor, |
1092 | u32 *attr, unsigned long *size, void *data); |
1093 | |
1094 | efi_status_t efivar_get_next_variable(unsigned long *name_size, |
1095 | efi_char16_t *name, efi_guid_t *vendor); |
1096 | |
1097 | efi_status_t efivar_set_variable_locked(efi_char16_t *name, efi_guid_t *vendor, |
1098 | u32 attr, unsigned long data_size, |
1099 | void *data, bool nonblocking); |
1100 | |
1101 | efi_status_t efivar_set_variable(efi_char16_t *name, efi_guid_t *vendor, |
1102 | u32 attr, unsigned long data_size, void *data); |
1103 | |
1104 | efi_status_t efivar_query_variable_info(u32 attr, u64 *storage_space, |
1105 | u64 *remaining_space, |
1106 | u64 *max_variable_size); |
1107 | |
1108 | #if IS_ENABLED(CONFIG_EFI_CAPSULE_LOADER) |
1109 | extern bool efi_capsule_pending(int *reset_type); |
1110 | |
1111 | extern int efi_capsule_supported(efi_guid_t guid, u32 flags, |
1112 | size_t size, int *reset); |
1113 | |
1114 | extern int efi_capsule_update(efi_capsule_header_t *capsule, |
1115 | phys_addr_t *pages); |
1116 | #else |
1117 | static inline bool efi_capsule_pending(int *reset_type) { return false; } |
1118 | #endif |
1119 | |
1120 | #ifdef CONFIG_EFI |
1121 | extern bool efi_runtime_disabled(void); |
1122 | #else |
1123 | static inline bool efi_runtime_disabled(void) { return true; } |
1124 | #endif |
1125 | |
1126 | extern void efi_call_virt_check_flags(unsigned long flags, const void *caller); |
1127 | extern unsigned long efi_call_virt_save_flags(void); |
1128 | |
1129 | enum efi_secureboot_mode { |
1130 | efi_secureboot_mode_unset, |
1131 | efi_secureboot_mode_unknown, |
1132 | efi_secureboot_mode_disabled, |
1133 | efi_secureboot_mode_enabled, |
1134 | }; |
1135 | |
1136 | static inline |
1137 | enum efi_secureboot_mode efi_get_secureboot_mode(efi_get_variable_t *get_var) |
1138 | { |
1139 | u8 secboot, setupmode = 0; |
1140 | efi_status_t status; |
1141 | unsigned long size; |
1142 | |
1143 | size = sizeof(secboot); |
1144 | status = get_var(L"SecureBoot" , &EFI_GLOBAL_VARIABLE_GUID, NULL, &size, |
1145 | &secboot); |
1146 | if (status == EFI_NOT_FOUND) |
1147 | return efi_secureboot_mode_disabled; |
1148 | if (status != EFI_SUCCESS) |
1149 | return efi_secureboot_mode_unknown; |
1150 | |
1151 | size = sizeof(setupmode); |
1152 | get_var(L"SetupMode" , &EFI_GLOBAL_VARIABLE_GUID, NULL, &size, &setupmode); |
1153 | if (secboot == 0 || setupmode == 1) |
1154 | return efi_secureboot_mode_disabled; |
1155 | return efi_secureboot_mode_enabled; |
1156 | } |
1157 | |
1158 | #ifdef CONFIG_EFI_EMBEDDED_FIRMWARE |
1159 | void efi_check_for_embedded_firmwares(void); |
1160 | #else |
1161 | static inline void efi_check_for_embedded_firmwares(void) { } |
1162 | #endif |
1163 | |
1164 | #define arch_efi_call_virt(p, f, args...) ((p)->f(args)) |
1165 | |
1166 | /* |
1167 | * Arch code must implement the following three routines: |
1168 | * |
1169 | * * arch_efi_call_virt_setup() |
1170 | * |
1171 | * Sets up the environment for the call (e.g. switching page tables, |
1172 | * allowing kernel-mode use of floating point, if required). |
1173 | * |
1174 | * * arch_efi_call_virt() |
1175 | * |
1176 | * Performs the call. This routine takes a variable number of arguments so |
1177 | * it must be implemented as a variadic preprocessor macro. |
1178 | * |
1179 | * * arch_efi_call_virt_teardown() |
1180 | * |
1181 | * Restores the usual kernel environment once the call has returned. |
1182 | */ |
1183 | |
1184 | #define efi_call_virt_pointer(p, f, args...) \ |
1185 | ({ \ |
1186 | typeof((p)->f(args)) __s; \ |
1187 | unsigned long __flags; \ |
1188 | \ |
1189 | arch_efi_call_virt_setup(); \ |
1190 | \ |
1191 | __flags = efi_call_virt_save_flags(); \ |
1192 | __s = arch_efi_call_virt(p, f, args); \ |
1193 | efi_call_virt_check_flags(__flags, NULL); \ |
1194 | \ |
1195 | arch_efi_call_virt_teardown(); \ |
1196 | \ |
1197 | __s; \ |
1198 | }) |
1199 | |
1200 | #define EFI_RANDOM_SEED_SIZE 32U // BLAKE2S_HASH_SIZE |
1201 | |
1202 | struct linux_efi_random_seed { |
1203 | u32 size; |
1204 | u8 bits[]; |
1205 | }; |
1206 | |
1207 | struct linux_efi_tpm_eventlog { |
1208 | u32 size; |
1209 | u32 final_events_preboot_size; |
1210 | u8 version; |
1211 | u8 log[]; |
1212 | }; |
1213 | |
1214 | extern int efi_tpm_eventlog_init(void); |
1215 | |
1216 | struct efi_tcg2_final_events_table { |
1217 | u64 version; |
1218 | u64 nr_events; |
1219 | u8 events[]; |
1220 | }; |
1221 | extern int efi_tpm_final_log_size; |
1222 | |
1223 | extern unsigned long rci2_table_phys; |
1224 | |
1225 | efi_status_t |
1226 | efi_call_acpi_prm_handler(efi_status_t (__efiapi *handler_addr)(u64, void *), |
1227 | u64 param_buffer_addr, void *context); |
1228 | |
1229 | /* |
1230 | * efi_runtime_service() function identifiers. |
1231 | * "NONE" is used by efi_recover_from_page_fault() to check if the page |
1232 | * fault happened while executing an efi runtime service. |
1233 | */ |
1234 | enum efi_rts_ids { |
1235 | EFI_NONE, |
1236 | EFI_GET_TIME, |
1237 | EFI_SET_TIME, |
1238 | EFI_GET_WAKEUP_TIME, |
1239 | EFI_SET_WAKEUP_TIME, |
1240 | EFI_GET_VARIABLE, |
1241 | EFI_GET_NEXT_VARIABLE, |
1242 | EFI_SET_VARIABLE, |
1243 | EFI_QUERY_VARIABLE_INFO, |
1244 | EFI_GET_NEXT_HIGH_MONO_COUNT, |
1245 | EFI_RESET_SYSTEM, |
1246 | EFI_UPDATE_CAPSULE, |
1247 | EFI_QUERY_CAPSULE_CAPS, |
1248 | EFI_ACPI_PRM_HANDLER, |
1249 | }; |
1250 | |
1251 | union efi_rts_args; |
1252 | |
1253 | /* |
1254 | * efi_runtime_work: Details of EFI Runtime Service work |
1255 | * @args: Pointer to union describing the arguments |
1256 | * @status: Status of executing EFI Runtime Service |
1257 | * @efi_rts_id: EFI Runtime Service function identifier |
1258 | * @efi_rts_comp: Struct used for handling completions |
1259 | * @caller: The caller of the runtime service |
1260 | */ |
1261 | struct efi_runtime_work { |
1262 | union efi_rts_args *args; |
1263 | efi_status_t status; |
1264 | struct work_struct work; |
1265 | enum efi_rts_ids efi_rts_id; |
1266 | struct completion efi_rts_comp; |
1267 | const void *caller; |
1268 | }; |
1269 | |
1270 | extern struct efi_runtime_work efi_rts_work; |
1271 | |
1272 | /* Workqueue to queue EFI Runtime Services */ |
1273 | extern struct workqueue_struct *efi_rts_wq; |
1274 | |
1275 | struct linux_efi_memreserve { |
1276 | int size; // allocated size of the array |
1277 | atomic_t count; // number of entries used |
1278 | phys_addr_t next; // pa of next struct instance |
1279 | struct { |
1280 | phys_addr_t base; |
1281 | phys_addr_t size; |
1282 | } entry[]; |
1283 | }; |
1284 | |
1285 | #define EFI_MEMRESERVE_COUNT(size) (((size) - sizeof(struct linux_efi_memreserve)) \ |
1286 | / sizeof_field(struct linux_efi_memreserve, entry[0])) |
1287 | |
1288 | void __init efi_arch_mem_reserve(phys_addr_t addr, u64 size); |
1289 | |
1290 | char *efi_systab_show_arch(char *str); |
1291 | |
1292 | /* |
1293 | * The LINUX_EFI_MOK_VARIABLE_TABLE_GUID config table can be provided |
1294 | * to the kernel by an EFI boot loader. The table contains a packed |
1295 | * sequence of these entries, one for each named MOK variable. |
1296 | * The sequence is terminated by an entry with a completely NULL |
1297 | * name and 0 data size. |
1298 | */ |
1299 | struct efi_mokvar_table_entry { |
1300 | char name[256]; |
1301 | u64 data_size; |
1302 | u8 data[]; |
1303 | } __attribute((packed)); |
1304 | |
1305 | #ifdef CONFIG_LOAD_UEFI_KEYS |
1306 | extern void __init efi_mokvar_table_init(void); |
1307 | extern struct efi_mokvar_table_entry *efi_mokvar_entry_next( |
1308 | struct efi_mokvar_table_entry **mokvar_entry); |
1309 | extern struct efi_mokvar_table_entry *efi_mokvar_entry_find(const char *name); |
1310 | #else |
1311 | static inline void efi_mokvar_table_init(void) { } |
1312 | static inline struct efi_mokvar_table_entry *efi_mokvar_entry_next( |
1313 | struct efi_mokvar_table_entry **mokvar_entry) |
1314 | { |
1315 | return NULL; |
1316 | } |
1317 | static inline struct efi_mokvar_table_entry *efi_mokvar_entry_find( |
1318 | const char *name) |
1319 | { |
1320 | return NULL; |
1321 | } |
1322 | #endif |
1323 | |
1324 | extern void efifb_setup_from_dmi(struct screen_info *si, const char *opt); |
1325 | |
1326 | struct linux_efi_coco_secret_area { |
1327 | u64 base_pa; |
1328 | u64 size; |
1329 | }; |
1330 | |
1331 | struct linux_efi_initrd { |
1332 | unsigned long base; |
1333 | unsigned long size; |
1334 | }; |
1335 | |
1336 | /* Header of a populated EFI secret area */ |
1337 | #define EFI_GUID(0x1e74f542, 0x71dd, 0x4d66, 0x96, 0x3e, 0xef, 0x42, 0x87, 0xff, 0x17, 0x3b) |
1338 | |
1339 | bool xen_efi_config_table_is_usable(const efi_guid_t *guid, unsigned long table); |
1340 | |
1341 | static inline |
1342 | bool efi_config_table_is_usable(const efi_guid_t *guid, unsigned long table) |
1343 | { |
1344 | if (!IS_ENABLED(CONFIG_XEN_EFI)) |
1345 | return true; |
1346 | return xen_efi_config_table_is_usable(guid, table); |
1347 | } |
1348 | |
1349 | umode_t efi_attr_is_visible(struct kobject *kobj, struct attribute *attr, int n); |
1350 | |
1351 | #endif /* _LINUX_EFI_H */ |
1352 | |