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959ccb23 1/** @file\r
e0c047a0 2 Include file that supports UEFI.\r
959ccb23 3\r
fee5ea2c
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4 This include file must contain things defined in the UEFI 2.7 specification.\r
5 If a code construct is defined in the UEFI 2.7 specification it must be included\r
959ccb23 6 by this include file.\r
7\r
db2338af 8Copyright (c) 2006 - 2021, Intel Corporation. All rights reserved.<BR>\r
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9Portions Copyright (c) 2020, Hewlett Packard Enterprise Development LP. All rights reserved.<BR>\r
10\r
9344f092 11SPDX-License-Identifier: BSD-2-Clause-Patent\r
959ccb23 12\r
959ccb23 13**/\r
14\r
15#ifndef __UEFI_SPEC_H__\r
16#define __UEFI_SPEC_H__\r
17\r
18#include <Uefi/UefiMultiPhase.h>\r
19\r
20#include <Protocol/DevicePath.h>\r
21#include <Protocol/SimpleTextIn.h>\r
2be21afb 22#include <Protocol/SimpleTextInEx.h>\r
959ccb23 23#include <Protocol/SimpleTextOut.h>\r
24\r
8b13229b 25///\r
2a3f6a21 26/// Enumeration of EFI memory allocation types.\r
8b13229b 27///\r
959ccb23 28typedef enum {\r
2a3f6a21 29 ///\r
af2dc6a7 30 /// Allocate any available range of pages that satisfies the request.\r
2a3f6a21 31 ///\r
959ccb23 32 AllocateAnyPages,\r
2a3f6a21 33 ///\r
9095d37b 34 /// Allocate any available range of pages whose uppermost address is less than\r
af2dc6a7 35 /// or equal to a specified maximum address.\r
2a3f6a21 36 ///\r
959ccb23 37 AllocateMaxAddress,\r
2a3f6a21 38 ///\r
af2dc6a7 39 /// Allocate pages at a specified address.\r
2a3f6a21 40 ///\r
959ccb23 41 AllocateAddress,\r
2a3f6a21 42 ///\r
af2dc6a7 43 /// Maximum enumeration value that may be used for bounds checking.\r
2a3f6a21 44 ///\r
959ccb23 45 MaxAllocateType\r
46} EFI_ALLOCATE_TYPE;\r
47\r
5413e8e8 48//\r
49// Bit definitions for EFI_TIME.Daylight\r
50//\r
51#define EFI_TIME_ADJUST_DAYLIGHT 0x01\r
52#define EFI_TIME_IN_DAYLIGHT 0x02\r
53\r
8b13229b 54///\r
af2dc6a7 55/// Value definition for EFI_TIME.TimeZone.\r
8b13229b 56///\r
5413e8e8 57#define EFI_UNSPECIFIED_TIMEZONE 0x07FF\r
959ccb23 58\r
59//\r
e0c047a0 60// Memory cacheability attributes\r
959ccb23 61//\r
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62#define EFI_MEMORY_UC 0x0000000000000001ULL\r
63#define EFI_MEMORY_WC 0x0000000000000002ULL\r
64#define EFI_MEMORY_WT 0x0000000000000004ULL\r
65#define EFI_MEMORY_WB 0x0000000000000008ULL\r
66#define EFI_MEMORY_UCE 0x0000000000000010ULL\r
959ccb23 67//\r
e0c047a0 68// Physical memory protection attributes\r
959ccb23 69//\r
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70// Note: UEFI spec 2.5 and following: use EFI_MEMORY_RO as write-protected physical memory\r
71// protection attribute. Also, EFI_MEMORY_WP means cacheability attribute.\r
72//\r
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73#define EFI_MEMORY_WP 0x0000000000001000ULL\r
74#define EFI_MEMORY_RP 0x0000000000002000ULL\r
75#define EFI_MEMORY_XP 0x0000000000004000ULL\r
76#define EFI_MEMORY_RO 0x0000000000020000ULL\r
e0c047a0 77//\r
9095d37b 78// Physical memory persistence attribute.\r
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79// The memory region supports byte-addressable non-volatility.\r
80//\r
2f88bd3a 81#define EFI_MEMORY_NV 0x0000000000008000ULL\r
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82//\r
83// The memory region provides higher reliability relative to other memory in the system.\r
84// If all memory has the same reliability, then this bit is not used.\r
85//\r
2f88bd3a 86#define EFI_MEMORY_MORE_RELIABLE 0x0000000000010000ULL\r
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87\r
88//\r
89// Note: UEFI spec 2.8 and following:\r
90//\r
91// Specific-purpose memory (SPM). The memory is earmarked for\r
92// specific purposes such as for specific device drivers or applications.\r
93// The SPM attribute serves as a hint to the OS to avoid allocating this\r
94// memory for core OS data or code that can not be relocated.\r
95//\r
2f88bd3a 96#define EFI_MEMORY_SP 0x0000000000040000ULL\r
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97//\r
98// If this flag is set, the memory region is capable of being\r
82d00077 99// protected with the CPU's memory cryptographic\r
c18708d2 100// capabilities. If this flag is clear, the memory region is not\r
82d00077 101// capable of being protected with the CPU's memory\r
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102// cryptographic capabilities or the CPU does not support CPU\r
103// memory cryptographic capabilities.\r
104//\r
2f88bd3a 105#define EFI_MEMORY_CPU_CRYPTO 0x0000000000080000ULL\r
c18708d2 106\r
6c98edac 107//\r
e0c047a0 108// Runtime memory attribute\r
109//\r
2f88bd3a 110#define EFI_MEMORY_RUNTIME 0x8000000000000000ULL\r
959ccb23 111\r
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112//\r
113// Attributes bitmasks, grouped by type\r
114//\r
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115#define EFI_CACHE_ATTRIBUTE_MASK (EFI_MEMORY_UC | EFI_MEMORY_WC | EFI_MEMORY_WT | EFI_MEMORY_WB | EFI_MEMORY_UCE | EFI_MEMORY_WP)\r
116#define EFI_MEMORY_ACCESS_MASK (EFI_MEMORY_RP | EFI_MEMORY_XP | EFI_MEMORY_RO)\r
117#define EFI_MEMORY_ATTRIBUTE_MASK (EFI_MEMORY_ACCESS_MASK | EFI_MEMORY_SP | EFI_MEMORY_CPU_CRYPTO)\r
82d00077 118\r
8b13229b 119///\r
af2dc6a7 120/// Memory descriptor version number.\r
8b13229b 121///\r
2f88bd3a 122#define EFI_MEMORY_DESCRIPTOR_VERSION 1\r
e0c047a0 123\r
124///\r
af2dc6a7 125/// Definition of an EFI memory descriptor.\r
e0c047a0 126///\r
959ccb23 127typedef struct {\r
2a3f6a21 128 ///\r
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129 /// Type of the memory region.\r
130 /// Type EFI_MEMORY_TYPE is defined in the\r
131 /// AllocatePages() function description.\r
2a3f6a21 132 ///\r
2f88bd3a 133 UINT32 Type;\r
2a3f6a21 134 ///\r
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135 /// Physical address of the first byte in the memory region. PhysicalStart must be\r
136 /// aligned on a 4 KiB boundary, and must not be above 0xfffffffffffff000. Type\r
137 /// EFI_PHYSICAL_ADDRESS is defined in the AllocatePages() function description\r
2a3f6a21 138 ///\r
2f88bd3a 139 EFI_PHYSICAL_ADDRESS PhysicalStart;\r
2a3f6a21 140 ///\r
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DB
141 /// Virtual address of the first byte in the memory region.\r
142 /// VirtualStart must be aligned on a 4 KiB boundary,\r
143 /// and must not be above 0xfffffffffffff000.\r
2a3f6a21 144 ///\r
2f88bd3a 145 EFI_VIRTUAL_ADDRESS VirtualStart;\r
2a3f6a21 146 ///\r
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DB
147 /// NumberOfPagesNumber of 4 KiB pages in the memory region.\r
148 /// NumberOfPages must not be 0, and must not be any value\r
149 /// that would represent a memory page with a start address,\r
150 /// either physical or virtual, above 0xfffffffffffff000.\r
2a3f6a21 151 ///\r
2f88bd3a 152 UINT64 NumberOfPages;\r
2a3f6a21 153 ///\r
154 /// Attributes of the memory region that describe the bit mask of capabilities\r
9095d37b 155 /// for that memory region, and not necessarily the current settings for that\r
2a3f6a21 156 /// memory region.\r
157 ///\r
2f88bd3a 158 UINT64 Attribute;\r
959ccb23 159} EFI_MEMORY_DESCRIPTOR;\r
160\r
959ccb23 161/**\r
162 Allocates memory pages from the system.\r
163\r
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164 @param[in] Type The type of allocation to perform.\r
165 @param[in] MemoryType The type of memory to allocate.\r
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166 MemoryType values in the range 0x70000000..0x7FFFFFFF\r
167 are reserved for OEM use. MemoryType values in the range\r
168 0x80000000..0xFFFFFFFF are reserved for use by UEFI OS loaders\r
379f1cfe 169 that are provided by operating system vendors.\r
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FT
170 @param[in] Pages The number of contiguous 4 KB pages to allocate.\r
171 @param[in, out] Memory The pointer to a physical address. On input, the way in which the address is\r
172 used depends on the value of Type.\r
959ccb23 173\r
174 @retval EFI_SUCCESS The requested pages were allocated.\r
175 @retval EFI_INVALID_PARAMETER 1) Type is not AllocateAnyPages or\r
176 AllocateMaxAddress or AllocateAddress.\r
177 2) MemoryType is in the range\r
ff9331e6 178 EfiMaxMemoryType..0x6FFFFFFF.\r
3e058701 179 3) Memory is NULL.\r
379f1cfe 180 4) MemoryType is EfiPersistentMemory.\r
959ccb23 181 @retval EFI_OUT_OF_RESOURCES The pages could not be allocated.\r
182 @retval EFI_NOT_FOUND The requested pages could not be found.\r
183\r
184**/\r
185typedef\r
186EFI_STATUS\r
8b13229b 187(EFIAPI *EFI_ALLOCATE_PAGES)(\r
959ccb23 188 IN EFI_ALLOCATE_TYPE Type,\r
189 IN EFI_MEMORY_TYPE MemoryType,\r
190 IN UINTN Pages,\r
191 IN OUT EFI_PHYSICAL_ADDRESS *Memory\r
192 );\r
193\r
194/**\r
195 Frees memory pages.\r
196\r
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197 @param[in] Memory The base physical address of the pages to be freed.\r
198 @param[in] Pages The number of contiguous 4 KB pages to free.\r
959ccb23 199\r
200 @retval EFI_SUCCESS The requested pages were freed.\r
201 @retval EFI_INVALID_PARAMETER Memory is not a page-aligned address or Pages is invalid.\r
202 @retval EFI_NOT_FOUND The requested memory pages were not allocated with\r
203 AllocatePages().\r
204\r
205**/\r
206typedef\r
207EFI_STATUS\r
8b13229b 208(EFIAPI *EFI_FREE_PAGES)(\r
959ccb23 209 IN EFI_PHYSICAL_ADDRESS Memory,\r
210 IN UINTN Pages\r
211 );\r
212\r
213/**\r
214 Returns the current memory map.\r
215\r
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216 @param[in, out] MemoryMapSize A pointer to the size, in bytes, of the MemoryMap buffer.\r
217 On input, this is the size of the buffer allocated by the caller.\r
218 On output, it is the size of the buffer returned by the firmware if\r
219 the buffer was large enough, or the size of the buffer needed to contain\r
220 the map if the buffer was too small.\r
ff95c0fc 221 @param[out] MemoryMap A pointer to the buffer in which firmware places the current memory\r
d3d92557
FT
222 map.\r
223 @param[out] MapKey A pointer to the location in which firmware returns the key for the\r
224 current memory map.\r
225 @param[out] DescriptorSize A pointer to the location in which firmware returns the size, in bytes, of\r
226 an individual EFI_MEMORY_DESCRIPTOR.\r
227 @param[out] DescriptorVersion A pointer to the location in which firmware returns the version number\r
228 associated with the EFI_MEMORY_DESCRIPTOR.\r
959ccb23 229\r
230 @retval EFI_SUCCESS The memory map was returned in the MemoryMap buffer.\r
231 @retval EFI_BUFFER_TOO_SMALL The MemoryMap buffer was too small. The current buffer size\r
232 needed to hold the memory map is returned in MemoryMapSize.\r
233 @retval EFI_INVALID_PARAMETER 1) MemoryMapSize is NULL.\r
234 2) The MemoryMap buffer is not too small and MemoryMap is\r
235 NULL.\r
236\r
237**/\r
238typedef\r
239EFI_STATUS\r
8b13229b 240(EFIAPI *EFI_GET_MEMORY_MAP)(\r
959ccb23 241 IN OUT UINTN *MemoryMapSize,\r
ff95c0fc 242 OUT EFI_MEMORY_DESCRIPTOR *MemoryMap,\r
959ccb23 243 OUT UINTN *MapKey,\r
244 OUT UINTN *DescriptorSize,\r
245 OUT UINT32 *DescriptorVersion\r
246 );\r
247\r
248/**\r
249 Allocates pool memory.\r
250\r
d3d92557 251 @param[in] PoolType The type of pool to allocate.\r
ff9331e6
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252 MemoryType values in the range 0x70000000..0x7FFFFFFF\r
253 are reserved for OEM use. MemoryType values in the range\r
254 0x80000000..0xFFFFFFFF are reserved for use by UEFI OS loaders\r
379f1cfe 255 that are provided by operating system vendors.\r
d3d92557
FT
256 @param[in] Size The number of bytes to allocate from the pool.\r
257 @param[out] Buffer A pointer to a pointer to the allocated buffer if the call succeeds;\r
959ccb23 258 undefined otherwise.\r
259\r
260 @retval EFI_SUCCESS The requested number of bytes was allocated.\r
261 @retval EFI_OUT_OF_RESOURCES The pool requested could not be allocated.\r
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262 @retval EFI_INVALID_PARAMETER Buffer is NULL.\r
263 PoolType is in the range EfiMaxMemoryType..0x6FFFFFFF.\r
264 PoolType is EfiPersistentMemory.\r
959ccb23 265\r
266**/\r
267typedef\r
268EFI_STATUS\r
8b13229b 269(EFIAPI *EFI_ALLOCATE_POOL)(\r
959ccb23 270 IN EFI_MEMORY_TYPE PoolType,\r
271 IN UINTN Size,\r
272 OUT VOID **Buffer\r
273 );\r
274\r
275/**\r
276 Returns pool memory to the system.\r
277\r
d3d92557 278 @param[in] Buffer The pointer to the buffer to free.\r
959ccb23 279\r
280 @retval EFI_SUCCESS The memory was returned to the system.\r
281 @retval EFI_INVALID_PARAMETER Buffer was invalid.\r
282\r
283**/\r
284typedef\r
285EFI_STATUS\r
8b13229b 286(EFIAPI *EFI_FREE_POOL)(\r
959ccb23 287 IN VOID *Buffer\r
288 );\r
289\r
290/**\r
291 Changes the runtime addressing mode of EFI firmware from physical to virtual.\r
292\r
d3d92557
FT
293 @param[in] MemoryMapSize The size in bytes of VirtualMap.\r
294 @param[in] DescriptorSize The size in bytes of an entry in the VirtualMap.\r
295 @param[in] DescriptorVersion The version of the structure entries in VirtualMap.\r
296 @param[in] VirtualMap An array of memory descriptors which contain new virtual\r
959ccb23 297 address mapping information for all runtime ranges.\r
298\r
299 @retval EFI_SUCCESS The virtual address map has been applied.\r
300 @retval EFI_UNSUPPORTED EFI firmware is not at runtime, or the EFI firmware is already in\r
301 virtual address mapped mode.\r
302 @retval EFI_INVALID_PARAMETER DescriptorSize or DescriptorVersion is invalid.\r
303 @retval EFI_NO_MAPPING A virtual address was not supplied for a range in the memory\r
304 map that requires a mapping.\r
305 @retval EFI_NOT_FOUND A virtual address was supplied for an address that is not found\r
306 in the memory map.\r
307\r
308**/\r
309typedef\r
310EFI_STATUS\r
8b13229b 311(EFIAPI *EFI_SET_VIRTUAL_ADDRESS_MAP)(\r
959ccb23 312 IN UINTN MemoryMapSize,\r
313 IN UINTN DescriptorSize,\r
314 IN UINT32 DescriptorVersion,\r
315 IN EFI_MEMORY_DESCRIPTOR *VirtualMap\r
316 );\r
317\r
318/**\r
319 Connects one or more drivers to a controller.\r
320\r
d3d92557
FT
321 @param[in] ControllerHandle The handle of the controller to which driver(s) are to be connected.\r
322 @param[in] DriverImageHandle A pointer to an ordered list handles that support the\r
323 EFI_DRIVER_BINDING_PROTOCOL.\r
324 @param[in] RemainingDevicePath A pointer to the device path that specifies a child of the\r
325 controller specified by ControllerHandle.\r
326 @param[in] Recursive If TRUE, then ConnectController() is called recursively\r
327 until the entire tree of controllers below the controller specified\r
328 by ControllerHandle have been created. If FALSE, then\r
329 the tree of controllers is only expanded one level.\r
959ccb23 330\r
331 @retval EFI_SUCCESS 1) One or more drivers were connected to ControllerHandle.\r
332 2) No drivers were connected to ControllerHandle, but\r
333 RemainingDevicePath is not NULL, and it is an End Device\r
334 Path Node.\r
18bd7e85 335 @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.\r
959ccb23 336 @retval EFI_NOT_FOUND 1) There are no EFI_DRIVER_BINDING_PROTOCOL instances\r
337 present in the system.\r
338 2) No drivers were connected to ControllerHandle.\r
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LG
339 @retval EFI_SECURITY_VIOLATION\r
340 The user has no permission to start UEFI device drivers on the device path\r
b92b1209 341 associated with the ControllerHandle or specified by the RemainingDevicePath.\r
959ccb23 342**/\r
343typedef\r
344EFI_STATUS\r
8b13229b 345(EFIAPI *EFI_CONNECT_CONTROLLER)(\r
959ccb23 346 IN EFI_HANDLE ControllerHandle,\r
d0e2f823
MK
347 IN EFI_HANDLE *DriverImageHandle OPTIONAL,\r
348 IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL,\r
959ccb23 349 IN BOOLEAN Recursive\r
350 );\r
351\r
352/**\r
353 Disconnects one or more drivers from a controller.\r
354\r
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FT
355 @param[in] ControllerHandle The handle of the controller from which driver(s) are to be disconnected.\r
356 @param[in] DriverImageHandle The driver to disconnect from ControllerHandle.\r
357 If DriverImageHandle is NULL, then all the drivers currently managing\r
358 ControllerHandle are disconnected from ControllerHandle.\r
359 @param[in] ChildHandle The handle of the child to destroy.\r
360 If ChildHandle is NULL, then all the children of ControllerHandle are\r
361 destroyed before the drivers are disconnected from ControllerHandle.\r
959ccb23 362\r
363 @retval EFI_SUCCESS 1) One or more drivers were disconnected from the controller.\r
364 2) On entry, no drivers are managing ControllerHandle.\r
365 3) DriverImageHandle is not NULL, and on entry\r
366 DriverImageHandle is not managing ControllerHandle.\r
d9de7921 367 @retval EFI_INVALID_PARAMETER 1) ControllerHandle is NULL.\r
e0c047a0 368 2) DriverImageHandle is not NULL, and it is not a valid EFI_HANDLE.\r
369 3) ChildHandle is not NULL, and it is not a valid EFI_HANDLE.\r
370 4) DriverImageHandle does not support the EFI_DRIVER_BINDING_PROTOCOL.\r
959ccb23 371 @retval EFI_OUT_OF_RESOURCES There are not enough resources available to disconnect any drivers from\r
372 ControllerHandle.\r
373 @retval EFI_DEVICE_ERROR The controller could not be disconnected because of a device error.\r
374\r
375**/\r
376typedef\r
377EFI_STATUS\r
8b13229b 378(EFIAPI *EFI_DISCONNECT_CONTROLLER)(\r
959ccb23 379 IN EFI_HANDLE ControllerHandle,\r
d0e2f823 380 IN EFI_HANDLE DriverImageHandle OPTIONAL,\r
959ccb23 381 IN EFI_HANDLE ChildHandle OPTIONAL\r
382 );\r
383\r
959ccb23 384//\r
385// ConvertPointer DebugDisposition type.\r
386//\r
2f88bd3a 387#define EFI_OPTIONAL_PTR 0x00000001\r
959ccb23 388\r
389/**\r
390 Determines the new virtual address that is to be used on subsequent memory accesses.\r
391\r
d3d92557
FT
392 @param[in] DebugDisposition Supplies type information for the pointer being converted.\r
393 @param[in, out] Address A pointer to a pointer that is to be fixed to be the value needed\r
394 for the new virtual address mappings being applied.\r
959ccb23 395\r
396 @retval EFI_SUCCESS The pointer pointed to by Address was modified.\r
397 @retval EFI_INVALID_PARAMETER 1) Address is NULL.\r
398 2) *Address is NULL and DebugDisposition does\r
399 not have the EFI_OPTIONAL_PTR bit set.\r
400 @retval EFI_NOT_FOUND The pointer pointed to by Address was not found to be part\r
401 of the current memory map. This is normally fatal.\r
402\r
403**/\r
404typedef\r
405EFI_STATUS\r
8b13229b 406(EFIAPI *EFI_CONVERT_POINTER)(\r
959ccb23 407 IN UINTN DebugDisposition,\r
408 IN OUT VOID **Address\r
409 );\r
410\r
959ccb23 411//\r
ac644614 412// These types can be ORed together as needed - for example,\r
93ce5aca 413// EVT_TIMER might be Ored with EVT_NOTIFY_WAIT or\r
959ccb23 414// EVT_NOTIFY_SIGNAL.\r
415//\r
2f88bd3a
MK
416#define EVT_TIMER 0x80000000\r
417#define EVT_RUNTIME 0x40000000\r
418#define EVT_NOTIFY_WAIT 0x00000100\r
419#define EVT_NOTIFY_SIGNAL 0x00000200\r
93ce5aca 420\r
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MK
421#define EVT_SIGNAL_EXIT_BOOT_SERVICES 0x00000201\r
422#define EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE 0x60000202\r
959ccb23 423\r
424//\r
ac644614 425// The event's NotifyContext pointer points to a runtime memory\r
d0c64728 426// address.\r
959ccb23 427// The event is deprecated in UEFI2.0 and later specifications.\r
d0c64728 428//\r
2f88bd3a 429#define EVT_RUNTIME_CONTEXT 0x20000000\r
959ccb23 430\r
431/**\r
432 Invoke a notification event\r
433\r
d3d92557
FT
434 @param[in] Event Event whose notification function is being invoked.\r
435 @param[in] Context The pointer to the notification function's context,\r
436 which is implementation-dependent.\r
959ccb23 437\r
438**/\r
439typedef\r
440VOID\r
8b13229b 441(EFIAPI *EFI_EVENT_NOTIFY)(\r
959ccb23 442 IN EFI_EVENT Event,\r
443 IN VOID *Context\r
444 );\r
445\r
446/**\r
447 Creates an event.\r
448\r
d3d92557
FT
449 @param[in] Type The type of event to create and its mode and attributes.\r
450 @param[in] NotifyTpl The task priority level of event notifications, if needed.\r
451 @param[in] NotifyFunction The pointer to the event's notification function, if any.\r
452 @param[in] NotifyContext The pointer to the notification function's context; corresponds to parameter\r
959ccb23 453 Context in the notification function.\r
d3d92557 454 @param[out] Event The pointer to the newly created event if the call succeeds; undefined\r
959ccb23 455 otherwise.\r
456\r
457 @retval EFI_SUCCESS The event structure was created.\r
458 @retval EFI_INVALID_PARAMETER One or more parameters are invalid.\r
459 @retval EFI_OUT_OF_RESOURCES The event could not be allocated.\r
460\r
461**/\r
462typedef\r
463EFI_STATUS\r
8b13229b 464(EFIAPI *EFI_CREATE_EVENT)(\r
959ccb23 465 IN UINT32 Type,\r
466 IN EFI_TPL NotifyTpl,\r
467 IN EFI_EVENT_NOTIFY NotifyFunction,\r
468 IN VOID *NotifyContext,\r
469 OUT EFI_EVENT *Event\r
470 );\r
471\r
472/**\r
473 Creates an event in a group.\r
474\r
d3d92557
FT
475 @param[in] Type The type of event to create and its mode and attributes.\r
476 @param[in] NotifyTpl The task priority level of event notifications,if needed.\r
477 @param[in] NotifyFunction The pointer to the event's notification function, if any.\r
478 @param[in] NotifyContext The pointer to the notification function's context; corresponds to parameter\r
959ccb23 479 Context in the notification function.\r
d3d92557 480 @param[in] EventGroup The pointer to the unique identifier of the group to which this event belongs.\r
e0c047a0 481 If this is NULL, then the function behaves as if the parameters were passed\r
482 to CreateEvent.\r
d3d92557 483 @param[out] Event The pointer to the newly created event if the call succeeds; undefined\r
959ccb23 484 otherwise.\r
485\r
486 @retval EFI_SUCCESS The event structure was created.\r
487 @retval EFI_INVALID_PARAMETER One or more parameters are invalid.\r
488 @retval EFI_OUT_OF_RESOURCES The event could not be allocated.\r
489\r
490**/\r
491typedef\r
492EFI_STATUS\r
8b13229b 493(EFIAPI *EFI_CREATE_EVENT_EX)(\r
959ccb23 494 IN UINT32 Type,\r
e0c047a0 495 IN EFI_TPL NotifyTpl,\r
959ccb23 496 IN EFI_EVENT_NOTIFY NotifyFunction OPTIONAL,\r
497 IN CONST VOID *NotifyContext OPTIONAL,\r
498 IN CONST EFI_GUID *EventGroup OPTIONAL,\r
499 OUT EFI_EVENT *Event\r
500 );\r
501\r
e0c047a0 502///\r
503/// Timer delay types\r
504///\r
959ccb23 505typedef enum {\r
2a3f6a21 506 ///\r
af2dc6a7 507 /// An event's timer settings is to be cancelled and not trigger time is to be set/\r
2a3f6a21 508 ///\r
959ccb23 509 TimerCancel,\r
2a3f6a21 510 ///\r
93e8d03c 511 /// An event is to be signaled periodically at a specified interval from the current time.\r
2a3f6a21 512 ///\r
959ccb23 513 TimerPeriodic,\r
2a3f6a21 514 ///\r
93e8d03c 515 /// An event is to be signaled once at a specified interval from the current time.\r
2a3f6a21 516 ///\r
959ccb23 517 TimerRelative\r
518} EFI_TIMER_DELAY;\r
519\r
520/**\r
521 Sets the type of timer and the trigger time for a timer event.\r
522\r
d3d92557
FT
523 @param[in] Event The timer event that is to be signaled at the specified time.\r
524 @param[in] Type The type of time that is specified in TriggerTime.\r
525 @param[in] TriggerTime The number of 100ns units until the timer expires.\r
e0c047a0 526 A TriggerTime of 0 is legal.\r
527 If Type is TimerRelative and TriggerTime is 0, then the timer\r
528 event will be signaled on the next timer tick.\r
529 If Type is TimerPeriodic and TriggerTime is 0, then the timer\r
530 event will be signaled on every timer tick.\r
959ccb23 531\r
532 @retval EFI_SUCCESS The event has been set to be signaled at the requested time.\r
533 @retval EFI_INVALID_PARAMETER Event or Type is not valid.\r
534\r
535**/\r
536typedef\r
537EFI_STATUS\r
8b13229b 538(EFIAPI *EFI_SET_TIMER)(\r
959ccb23 539 IN EFI_EVENT Event,\r
540 IN EFI_TIMER_DELAY Type,\r
541 IN UINT64 TriggerTime\r
542 );\r
543\r
544/**\r
545 Signals an event.\r
546\r
d3d92557 547 @param[in] Event The event to signal.\r
959ccb23 548\r
549 @retval EFI_SUCCESS The event has been signaled.\r
550\r
551**/\r
552typedef\r
553EFI_STATUS\r
8b13229b 554(EFIAPI *EFI_SIGNAL_EVENT)(\r
959ccb23 555 IN EFI_EVENT Event\r
556 );\r
557\r
558/**\r
559 Stops execution until an event is signaled.\r
560\r
d3d92557
FT
561 @param[in] NumberOfEvents The number of events in the Event array.\r
562 @param[in] Event An array of EFI_EVENT.\r
563 @param[out] Index The pointer to the index of the event which satisfied the wait condition.\r
959ccb23 564\r
565 @retval EFI_SUCCESS The event indicated by Index was signaled.\r
566 @retval EFI_INVALID_PARAMETER 1) NumberOfEvents is 0.\r
567 2) The event indicated by Index is of type\r
568 EVT_NOTIFY_SIGNAL.\r
569 @retval EFI_UNSUPPORTED The current TPL is not TPL_APPLICATION.\r
570\r
571**/\r
572typedef\r
573EFI_STATUS\r
8b13229b 574(EFIAPI *EFI_WAIT_FOR_EVENT)(\r
959ccb23 575 IN UINTN NumberOfEvents,\r
576 IN EFI_EVENT *Event,\r
577 OUT UINTN *Index\r
578 );\r
579\r
580/**\r
581 Closes an event.\r
582\r
d3d92557 583 @param[in] Event The event to close.\r
959ccb23 584\r
585 @retval EFI_SUCCESS The event has been closed.\r
586\r
587**/\r
588typedef\r
589EFI_STATUS\r
8b13229b 590(EFIAPI *EFI_CLOSE_EVENT)(\r
959ccb23 591 IN EFI_EVENT Event\r
592 );\r
593\r
594/**\r
595 Checks whether an event is in the signaled state.\r
596\r
d3d92557 597 @param[in] Event The event to check.\r
959ccb23 598\r
599 @retval EFI_SUCCESS The event is in the signaled state.\r
600 @retval EFI_NOT_READY The event is not in the signaled state.\r
601 @retval EFI_INVALID_PARAMETER Event is of type EVT_NOTIFY_SIGNAL.\r
602\r
603**/\r
604typedef\r
605EFI_STATUS\r
8b13229b 606(EFIAPI *EFI_CHECK_EVENT)(\r
959ccb23 607 IN EFI_EVENT Event\r
608 );\r
609\r
959ccb23 610//\r
e0c047a0 611// Task priority level\r
959ccb23 612//\r
2f88bd3a
MK
613#define TPL_APPLICATION 4\r
614#define TPL_CALLBACK 8\r
615#define TPL_NOTIFY 16\r
616#define TPL_HIGH_LEVEL 31\r
959ccb23 617\r
618/**\r
619 Raises a task's priority level and returns its previous level.\r
620\r
d3d92557 621 @param[in] NewTpl The new task priority level.\r
959ccb23 622\r
e0c047a0 623 @return Previous task priority level\r
959ccb23 624\r
625**/\r
626typedef\r
627EFI_TPL\r
8b13229b 628(EFIAPI *EFI_RAISE_TPL)(\r
959ccb23 629 IN EFI_TPL NewTpl\r
630 );\r
631\r
632/**\r
633 Restores a task's priority level to its previous value.\r
634\r
d3d92557 635 @param[in] OldTpl The previous task priority level to restore.\r
959ccb23 636\r
637**/\r
638typedef\r
639VOID\r
8b13229b 640(EFIAPI *EFI_RESTORE_TPL)(\r
959ccb23 641 IN EFI_TPL OldTpl\r
642 );\r
643\r
644/**\r
645 Returns the value of a variable.\r
646\r
d3d92557
FT
647 @param[in] VariableName A Null-terminated string that is the name of the vendor's\r
648 variable.\r
649 @param[in] VendorGuid A unique identifier for the vendor.\r
650 @param[out] Attributes If not NULL, a pointer to the memory location to return the\r
651 attributes bitmask for the variable.\r
652 @param[in, out] DataSize On input, the size in bytes of the return Data buffer.\r
653 On output the size of data returned in Data.\r
61ce1aea
SZ
654 @param[out] Data The buffer to return the contents of the variable. May be NULL\r
655 with a zero DataSize in order to determine the size buffer needed.\r
959ccb23 656\r
e0c047a0 657 @retval EFI_SUCCESS The function completed successfully.\r
658 @retval EFI_NOT_FOUND The variable was not found.\r
659 @retval EFI_BUFFER_TOO_SMALL The DataSize is too small for the result.\r
660 @retval EFI_INVALID_PARAMETER VariableName is NULL.\r
661 @retval EFI_INVALID_PARAMETER VendorGuid is NULL.\r
662 @retval EFI_INVALID_PARAMETER DataSize is NULL.\r
663 @retval EFI_INVALID_PARAMETER The DataSize is not too small and Data is NULL.\r
664 @retval EFI_DEVICE_ERROR The variable could not be retrieved due to a hardware error.\r
665 @retval EFI_SECURITY_VIOLATION The variable could not be retrieved due to an authentication failure.\r
959ccb23 666\r
667**/\r
668typedef\r
669EFI_STATUS\r
8b13229b 670(EFIAPI *EFI_GET_VARIABLE)(\r
959ccb23 671 IN CHAR16 *VariableName,\r
672 IN EFI_GUID *VendorGuid,\r
d0e2f823 673 OUT UINT32 *Attributes OPTIONAL,\r
959ccb23 674 IN OUT UINTN *DataSize,\r
61ce1aea 675 OUT VOID *Data OPTIONAL\r
959ccb23 676 );\r
677\r
678/**\r
679 Enumerates the current variable names.\r
680\r
6ca2bfa5
SZ
681 @param[in, out] VariableNameSize The size of the VariableName buffer. The size must be large\r
682 enough to fit input string supplied in VariableName buffer.\r
d3d92557
FT
683 @param[in, out] VariableName On input, supplies the last VariableName that was returned\r
684 by GetNextVariableName(). On output, returns the Nullterminated\r
685 string of the current variable.\r
686 @param[in, out] VendorGuid On input, supplies the last VendorGuid that was returned by\r
687 GetNextVariableName(). On output, returns the\r
688 VendorGuid of the current variable.\r
959ccb23 689\r
690 @retval EFI_SUCCESS The function completed successfully.\r
691 @retval EFI_NOT_FOUND The next variable was not found.\r
692 @retval EFI_BUFFER_TOO_SMALL The VariableNameSize is too small for the result.\r
6ca2bfa5 693 VariableNameSize has been updated with the size needed to complete the request.\r
e0c047a0 694 @retval EFI_INVALID_PARAMETER VariableNameSize is NULL.\r
695 @retval EFI_INVALID_PARAMETER VariableName is NULL.\r
696 @retval EFI_INVALID_PARAMETER VendorGuid is NULL.\r
6ca2bfa5
SZ
697 @retval EFI_INVALID_PARAMETER The input values of VariableName and VendorGuid are not a name and\r
698 GUID of an existing variable.\r
699 @retval EFI_INVALID_PARAMETER Null-terminator is not found in the first VariableNameSize bytes of\r
700 the input VariableName buffer.\r
959ccb23 701 @retval EFI_DEVICE_ERROR The variable could not be retrieved due to a hardware error.\r
702\r
703**/\r
704typedef\r
705EFI_STATUS\r
8b13229b 706(EFIAPI *EFI_GET_NEXT_VARIABLE_NAME)(\r
959ccb23 707 IN OUT UINTN *VariableNameSize,\r
708 IN OUT CHAR16 *VariableName,\r
709 IN OUT EFI_GUID *VendorGuid\r
710 );\r
711\r
712/**\r
713 Sets the value of a variable.\r
714\r
d3d92557 715 @param[in] VariableName A Null-terminated string that is the name of the vendor's variable.\r
db27cda5 716 Each VariableName is unique for each VendorGuid. VariableName must\r
717 contain 1 or more characters. If VariableName is an empty string,\r
718 then EFI_INVALID_PARAMETER is returned.\r
d3d92557
FT
719 @param[in] VendorGuid A unique identifier for the vendor.\r
720 @param[in] Attributes Attributes bitmask to set for the variable.\r
403170bb 721 @param[in] DataSize The size in bytes of the Data buffer. Unless the EFI_VARIABLE_APPEND_WRITE or\r
9095d37b
LG
722 EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS attribute is set, a size of zero\r
723 causes the variable to be deleted. When the EFI_VARIABLE_APPEND_WRITE attribute is\r
724 set, then a SetVariable() call with a DataSize of zero will not cause any change to\r
725 the variable value (the timestamp associated with the variable may be updated however\r
726 even if no new data value is provided,see the description of the\r
727 EFI_VARIABLE_AUTHENTICATION_2 descriptor below. In this case the DataSize will not\r
728 be zero since the EFI_VARIABLE_AUTHENTICATION_2 descriptor will be populated).\r
d3d92557 729 @param[in] Data The contents for the variable.\r
959ccb23 730\r
e0c047a0 731 @retval EFI_SUCCESS The firmware has successfully stored the variable and its data as\r
732 defined by the Attributes.\r
6675a21f 733 @retval EFI_INVALID_PARAMETER An invalid combination of attribute bits, name, and GUID was supplied, or the\r
e0c047a0 734 DataSize exceeds the maximum allowed.\r
db27cda5 735 @retval EFI_INVALID_PARAMETER VariableName is an empty string.\r
e0c047a0 736 @retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold the variable and its data.\r
737 @retval EFI_DEVICE_ERROR The variable could not be retrieved due to a hardware error.\r
738 @retval EFI_WRITE_PROTECTED The variable in question is read-only.\r
739 @retval EFI_WRITE_PROTECTED The variable in question cannot be deleted.\r
403170bb
ZC
740 @retval EFI_SECURITY_VIOLATION The variable could not be written due to EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACESS being set,\r
741 but the AuthInfo does NOT pass the validation check carried out by the firmware.\r
9095d37b 742\r
e0c047a0 743 @retval EFI_NOT_FOUND The variable trying to be updated or deleted was not found.\r
959ccb23 744\r
745**/\r
746typedef\r
747EFI_STATUS\r
8b13229b 748(EFIAPI *EFI_SET_VARIABLE)(\r
959ccb23 749 IN CHAR16 *VariableName,\r
750 IN EFI_GUID *VendorGuid,\r
751 IN UINT32 Attributes,\r
752 IN UINTN DataSize,\r
753 IN VOID *Data\r
754 );\r
755\r
e0c047a0 756///\r
757/// This provides the capabilities of the\r
758/// real time clock device as exposed through the EFI interfaces.\r
759///\r
959ccb23 760typedef struct {\r
1bf79370
LG
761 ///\r
762 /// Provides the reporting resolution of the real-time clock device in\r
763 /// counts per second. For a normal PC-AT CMOS RTC device, this\r
764 /// value would be 1 Hz, or 1, to indicate that the device only reports\r
765 /// the time to the resolution of 1 second.\r
766 ///\r
2f88bd3a 767 UINT32 Resolution;\r
1bf79370
LG
768 ///\r
769 /// Provides the timekeeping accuracy of the real-time clock in an\r
770 /// error rate of 1E-6 parts per million. For a clock with an accuracy\r
771 /// of 50 parts per million, the value in this field would be\r
772 /// 50,000,000.\r
773 ///\r
2f88bd3a 774 UINT32 Accuracy;\r
1bf79370 775 ///\r
de2314f8 776 /// A TRUE indicates that a time set operation clears the device's\r
1bf79370
LG
777 /// time below the Resolution reporting level. A FALSE\r
778 /// indicates that the state below the Resolution level of the\r
779 /// device is not cleared when the time is set. Normal PC-AT CMOS\r
780 /// RTC devices set this value to FALSE.\r
781 ///\r
2f88bd3a 782 BOOLEAN SetsToZero;\r
959ccb23 783} EFI_TIME_CAPABILITIES;\r
784\r
785/**\r
786 Returns the current time and date information, and the time-keeping capabilities\r
787 of the hardware platform.\r
788\r
d3d92557
FT
789 @param[out] Time A pointer to storage to receive a snapshot of the current time.\r
790 @param[out] Capabilities An optional pointer to a buffer to receive the real time clock\r
959ccb23 791 device's capabilities.\r
792\r
793 @retval EFI_SUCCESS The operation completed successfully.\r
794 @retval EFI_INVALID_PARAMETER Time is NULL.\r
795 @retval EFI_DEVICE_ERROR The time could not be retrieved due to hardware error.\r
796\r
797**/\r
798typedef\r
799EFI_STATUS\r
8b13229b 800(EFIAPI *EFI_GET_TIME)(\r
959ccb23 801 OUT EFI_TIME *Time,\r
802 OUT EFI_TIME_CAPABILITIES *Capabilities OPTIONAL\r
803 );\r
804\r
805/**\r
806 Sets the current local time and date information.\r
807\r
d3d92557 808 @param[in] Time A pointer to the current time.\r
959ccb23 809\r
810 @retval EFI_SUCCESS The operation completed successfully.\r
811 @retval EFI_INVALID_PARAMETER A time field is out of range.\r
812 @retval EFI_DEVICE_ERROR The time could not be set due due to hardware error.\r
813\r
814**/\r
815typedef\r
816EFI_STATUS\r
8b13229b 817(EFIAPI *EFI_SET_TIME)(\r
959ccb23 818 IN EFI_TIME *Time\r
819 );\r
820\r
821/**\r
822 Returns the current wakeup alarm clock setting.\r
823\r
d3d92557
FT
824 @param[out] Enabled Indicates if the alarm is currently enabled or disabled.\r
825 @param[out] Pending Indicates if the alarm signal is pending and requires acknowledgement.\r
826 @param[out] Time The current alarm setting.\r
959ccb23 827\r
828 @retval EFI_SUCCESS The alarm settings were returned.\r
e0c047a0 829 @retval EFI_INVALID_PARAMETER Enabled is NULL.\r
830 @retval EFI_INVALID_PARAMETER Pending is NULL.\r
831 @retval EFI_INVALID_PARAMETER Time is NULL.\r
959ccb23 832 @retval EFI_DEVICE_ERROR The wakeup time could not be retrieved due to a hardware error.\r
e0c047a0 833 @retval EFI_UNSUPPORTED A wakeup timer is not supported on this platform.\r
959ccb23 834\r
835**/\r
836typedef\r
837EFI_STATUS\r
8b13229b 838(EFIAPI *EFI_GET_WAKEUP_TIME)(\r
959ccb23 839 OUT BOOLEAN *Enabled,\r
840 OUT BOOLEAN *Pending,\r
841 OUT EFI_TIME *Time\r
842 );\r
843\r
844/**\r
845 Sets the system wakeup alarm clock time.\r
846\r
d3d92557
FT
847 @param[in] Enable Enable or disable the wakeup alarm.\r
848 @param[in] Time If Enable is TRUE, the time to set the wakeup alarm for.\r
e0c047a0 849 If Enable is FALSE, then this parameter is optional, and may be NULL.\r
959ccb23 850\r
851 @retval EFI_SUCCESS If Enable is TRUE, then the wakeup alarm was enabled. If\r
852 Enable is FALSE, then the wakeup alarm was disabled.\r
853 @retval EFI_INVALID_PARAMETER A time field is out of range.\r
854 @retval EFI_DEVICE_ERROR The wakeup time could not be set due to a hardware error.\r
855 @retval EFI_UNSUPPORTED A wakeup timer is not supported on this platform.\r
856\r
857**/\r
858typedef\r
859EFI_STATUS\r
8b13229b 860(EFIAPI *EFI_SET_WAKEUP_TIME)(\r
959ccb23 861 IN BOOLEAN Enable,\r
862 IN EFI_TIME *Time OPTIONAL\r
863 );\r
864\r
959ccb23 865/**\r
866 Loads an EFI image into memory.\r
867\r
d3d92557
FT
868 @param[in] BootPolicy If TRUE, indicates that the request originates from the boot\r
869 manager, and that the boot manager is attempting to load\r
870 FilePath as a boot selection. Ignored if SourceBuffer is\r
871 not NULL.\r
872 @param[in] ParentImageHandle The caller's image handle.\r
873 @param[in] DevicePath The DeviceHandle specific file path from which the image is\r
874 loaded.\r
875 @param[in] SourceBuffer If not NULL, a pointer to the memory location containing a copy\r
876 of the image to be loaded.\r
877 @param[in] SourceSize The size in bytes of SourceBuffer. Ignored if SourceBuffer is NULL.\r
878 @param[out] ImageHandle The pointer to the returned image handle that is created when the\r
879 image is successfully loaded.\r
880\r
881 @retval EFI_SUCCESS Image was loaded into memory correctly.\r
882 @retval EFI_NOT_FOUND Both SourceBuffer and DevicePath are NULL.\r
883 @retval EFI_INVALID_PARAMETER One or more parametes are invalid.\r
884 @retval EFI_UNSUPPORTED The image type is not supported.\r
885 @retval EFI_OUT_OF_RESOURCES Image was not loaded due to insufficient resources.\r
886 @retval EFI_LOAD_ERROR Image was not loaded because the image format was corrupt or not\r
887 understood.\r
888 @retval EFI_DEVICE_ERROR Image was not loaded because the device returned a read error.\r
9095d37b 889 @retval EFI_ACCESS_DENIED Image was not loaded because the platform policy prohibits the\r
d3d92557 890 image from being loaded. NULL is returned in *ImageHandle.\r
9095d37b
LG
891 @retval EFI_SECURITY_VIOLATION Image was loaded and an ImageHandle was created with a\r
892 valid EFI_LOADED_IMAGE_PROTOCOL. However, the current\r
d3d92557 893 platform policy specifies that the image should not be started.\r
959ccb23 894**/\r
895typedef\r
896EFI_STATUS\r
8b13229b 897(EFIAPI *EFI_IMAGE_LOAD)(\r
959ccb23 898 IN BOOLEAN BootPolicy,\r
899 IN EFI_HANDLE ParentImageHandle,\r
e0c047a0 900 IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,\r
959ccb23 901 IN VOID *SourceBuffer OPTIONAL,\r
902 IN UINTN SourceSize,\r
903 OUT EFI_HANDLE *ImageHandle\r
904 );\r
905\r
906/**\r
907 Transfers control to a loaded image's entry point.\r
908\r
d3d92557
FT
909 @param[in] ImageHandle Handle of image to be started.\r
910 @param[out] ExitDataSize The pointer to the size, in bytes, of ExitData.\r
911 @param[out] ExitData The pointer to a pointer to a data buffer that includes a Null-terminated\r
912 string, optionally followed by additional binary data.\r
959ccb23 913\r
b92b1209
LG
914 @retval EFI_INVALID_PARAMETER ImageHandle is either an invalid image handle or the image\r
915 has already been initialized with StartImage.\r
916 @retval EFI_SECURITY_VIOLATION The current platform policy specifies that the image should not be started.\r
e0c047a0 917 @return Exit code from image\r
959ccb23 918\r
919**/\r
920typedef\r
921EFI_STATUS\r
8b13229b 922(EFIAPI *EFI_IMAGE_START)(\r
959ccb23 923 IN EFI_HANDLE ImageHandle,\r
924 OUT UINTN *ExitDataSize,\r
925 OUT CHAR16 **ExitData OPTIONAL\r
926 );\r
927\r
928/**\r
929 Terminates a loaded EFI image and returns control to boot services.\r
930\r
9095d37b 931 @param[in] ImageHandle Handle that identifies the image. This parameter is passed to the\r
fbf926ad 932 image on entry.\r
d3d92557
FT
933 @param[in] ExitStatus The image's exit code.\r
934 @param[in] ExitDataSize The size, in bytes, of ExitData. Ignored if ExitStatus is EFI_SUCCESS.\r
935 @param[in] ExitData The pointer to a data buffer that includes a Null-terminated string,\r
9095d37b
LG
936 optionally followed by additional binary data. The string is a\r
937 description that the caller may use to further indicate the reason\r
938 for the image's exit. ExitData is only valid if ExitStatus\r
939 is something other than EFI_SUCCESS. The ExitData buffer\r
fbf926ad 940 must be allocated by calling AllocatePool().\r
959ccb23 941\r
942 @retval EFI_SUCCESS The image specified by ImageHandle was unloaded.\r
943 @retval EFI_INVALID_PARAMETER The image specified by ImageHandle has been loaded and\r
944 started with LoadImage() and StartImage(), but the\r
945 image is not the currently executing image.\r
946\r
947**/\r
948typedef\r
949EFI_STATUS\r
8b13229b 950(EFIAPI *EFI_EXIT)(\r
959ccb23 951 IN EFI_HANDLE ImageHandle,\r
952 IN EFI_STATUS ExitStatus,\r
953 IN UINTN ExitDataSize,\r
954 IN CHAR16 *ExitData OPTIONAL\r
955 );\r
956\r
957/**\r
958 Unloads an image.\r
959\r
d3d92557 960 @param[in] ImageHandle Handle that identifies the image to be unloaded.\r
959ccb23 961\r
962 @retval EFI_SUCCESS The image has been unloaded.\r
963 @retval EFI_INVALID_PARAMETER ImageHandle is not a valid image handle.\r
959ccb23 964\r
965**/\r
966typedef\r
967EFI_STATUS\r
8b13229b 968(EFIAPI *EFI_IMAGE_UNLOAD)(\r
959ccb23 969 IN EFI_HANDLE ImageHandle\r
970 );\r
971\r
972/**\r
973 Terminates all boot services.\r
974\r
d3d92557
FT
975 @param[in] ImageHandle Handle that identifies the exiting image.\r
976 @param[in] MapKey Key to the latest memory map.\r
959ccb23 977\r
978 @retval EFI_SUCCESS Boot services have been terminated.\r
979 @retval EFI_INVALID_PARAMETER MapKey is incorrect.\r
980\r
981**/\r
982typedef\r
983EFI_STATUS\r
8b13229b 984(EFIAPI *EFI_EXIT_BOOT_SERVICES)(\r
959ccb23 985 IN EFI_HANDLE ImageHandle,\r
986 IN UINTN MapKey\r
987 );\r
988\r
989/**\r
990 Induces a fine-grained stall.\r
991\r
d3d92557 992 @param[in] Microseconds The number of microseconds to stall execution.\r
959ccb23 993\r
994 @retval EFI_SUCCESS Execution was stalled at least the requested number of\r
995 Microseconds.\r
996\r
997**/\r
998typedef\r
999EFI_STATUS\r
8b13229b 1000(EFIAPI *EFI_STALL)(\r
959ccb23 1001 IN UINTN Microseconds\r
1002 );\r
1003\r
1004/**\r
1005 Sets the system's watchdog timer.\r
1006\r
d3d92557
FT
1007 @param[in] Timeout The number of seconds to set the watchdog timer to.\r
1008 @param[in] WatchdogCode The numeric code to log on a watchdog timer timeout event.\r
1009 @param[in] DataSize The size, in bytes, of WatchdogData.\r
1010 @param[in] WatchdogData A data buffer that includes a Null-terminated string, optionally\r
959ccb23 1011 followed by additional binary data.\r
1012\r
1013 @retval EFI_SUCCESS The timeout has been set.\r
1014 @retval EFI_INVALID_PARAMETER The supplied WatchdogCode is invalid.\r
1015 @retval EFI_UNSUPPORTED The system does not have a watchdog timer.\r
af2dc6a7 1016 @retval EFI_DEVICE_ERROR The watchdog timer could not be programmed due to a hardware\r
959ccb23 1017 error.\r
1018\r
1019**/\r
1020typedef\r
1021EFI_STATUS\r
8b13229b 1022(EFIAPI *EFI_SET_WATCHDOG_TIMER)(\r
959ccb23 1023 IN UINTN Timeout,\r
1024 IN UINT64 WatchdogCode,\r
1025 IN UINTN DataSize,\r
1026 IN CHAR16 *WatchdogData OPTIONAL\r
1027 );\r
1028\r
959ccb23 1029/**\r
1030 Resets the entire platform.\r
1031\r
d3d92557
FT
1032 @param[in] ResetType The type of reset to perform.\r
1033 @param[in] ResetStatus The status code for the reset.\r
e963b746 1034 @param[in] DataSize The size, in bytes, of ResetData.\r
d3d92557 1035 @param[in] ResetData For a ResetType of EfiResetCold, EfiResetWarm, or\r
959ccb23 1036 EfiResetShutdown the data buffer starts with a Null-terminated\r
fbf926ad 1037 string, optionally followed by additional binary data.\r
e963b746 1038 The string is a description that the caller may use to further\r
228a9c29 1039 indicate the reason for the system reset.\r
28426918
DB
1040 For a ResetType of EfiResetPlatformSpecific the data buffer\r
1041 also starts with a Null-terminated string that is followed\r
1042 by an EFI_GUID that describes the specific type of reset to perform.\r
959ccb23 1043**/\r
1044typedef\r
1045VOID\r
8b13229b 1046(EFIAPI *EFI_RESET_SYSTEM)(\r
959ccb23 1047 IN EFI_RESET_TYPE ResetType,\r
1048 IN EFI_STATUS ResetStatus,\r
1049 IN UINTN DataSize,\r
b058028b 1050 IN VOID *ResetData OPTIONAL\r
959ccb23 1051 );\r
1052\r
1053/**\r
1054 Returns a monotonically increasing count for the platform.\r
1055\r
d3d92557 1056 @param[out] Count The pointer to returned value.\r
959ccb23 1057\r
1058 @retval EFI_SUCCESS The next monotonic count was returned.\r
1059 @retval EFI_INVALID_PARAMETER Count is NULL.\r
1060 @retval EFI_DEVICE_ERROR The device is not functioning properly.\r
1061\r
1062**/\r
1063typedef\r
1064EFI_STATUS\r
8b13229b 1065(EFIAPI *EFI_GET_NEXT_MONOTONIC_COUNT)(\r
959ccb23 1066 OUT UINT64 *Count\r
1067 );\r
1068\r
1069/**\r
1070 Returns the next high 32 bits of the platform's monotonic counter.\r
1071\r
d3d92557 1072 @param[out] HighCount The pointer to returned value.\r
959ccb23 1073\r
1074 @retval EFI_SUCCESS The next high monotonic count was returned.\r
1075 @retval EFI_INVALID_PARAMETER HighCount is NULL.\r
1076 @retval EFI_DEVICE_ERROR The device is not functioning properly.\r
1077\r
1078**/\r
1079typedef\r
1080EFI_STATUS\r
8b13229b 1081(EFIAPI *EFI_GET_NEXT_HIGH_MONO_COUNT)(\r
959ccb23 1082 OUT UINT32 *HighCount\r
1083 );\r
1084\r
1085/**\r
1086 Computes and returns a 32-bit CRC for a data buffer.\r
1087\r
d3d92557
FT
1088 @param[in] Data A pointer to the buffer on which the 32-bit CRC is to be computed.\r
1089 @param[in] DataSize The number of bytes in the buffer Data.\r
1090 @param[out] Crc32 The 32-bit CRC that was computed for the data buffer specified by Data\r
959ccb23 1091 and DataSize.\r
1092\r
1093 @retval EFI_SUCCESS The 32-bit CRC was computed for the data buffer and returned in\r
1094 Crc32.\r
e0c047a0 1095 @retval EFI_INVALID_PARAMETER Data is NULL.\r
1096 @retval EFI_INVALID_PARAMETER Crc32 is NULL.\r
1097 @retval EFI_INVALID_PARAMETER DataSize is 0.\r
959ccb23 1098\r
1099**/\r
1100typedef\r
1101EFI_STATUS\r
8b13229b 1102(EFIAPI *EFI_CALCULATE_CRC32)(\r
959ccb23 1103 IN VOID *Data,\r
1104 IN UINTN DataSize,\r
1105 OUT UINT32 *Crc32\r
1106 );\r
1107\r
1108/**\r
1109 Copies the contents of one buffer to another buffer.\r
1110\r
d3d92557
FT
1111 @param[in] Destination The pointer to the destination buffer of the memory copy.\r
1112 @param[in] Source The pointer to the source buffer of the memory copy.\r
1113 @param[in] Length Number of bytes to copy from Source to Destination.\r
959ccb23 1114\r
1115**/\r
1116typedef\r
1117VOID\r
8b13229b 1118(EFIAPI *EFI_COPY_MEM)(\r
959ccb23 1119 IN VOID *Destination,\r
1120 IN VOID *Source,\r
1121 IN UINTN Length\r
1122 );\r
1123\r
1124/**\r
1125 The SetMem() function fills a buffer with a specified value.\r
1126\r
d3d92557
FT
1127 @param[in] Buffer The pointer to the buffer to fill.\r
1128 @param[in] Size Number of bytes in Buffer to fill.\r
1129 @param[in] Value Value to fill Buffer with.\r
959ccb23 1130\r
1131**/\r
1132typedef\r
1133VOID\r
8b13229b 1134(EFIAPI *EFI_SET_MEM)(\r
959ccb23 1135 IN VOID *Buffer,\r
1136 IN UINTN Size,\r
1137 IN UINT8 Value\r
1138 );\r
1139\r
2a3f6a21 1140///\r
1141/// Enumeration of EFI Interface Types\r
1142///\r
959ccb23 1143typedef enum {\r
2a3f6a21 1144 ///\r
1145 /// Indicates that the supplied protocol interface is supplied in native form.\r
1146 ///\r
959ccb23 1147 EFI_NATIVE_INTERFACE\r
1148} EFI_INTERFACE_TYPE;\r
1149\r
1150/**\r
1151 Installs a protocol interface on a device handle. If the handle does not exist, it is created and added\r
1152 to the list of handles in the system. InstallMultipleProtocolInterfaces() performs\r
1153 more error checking than InstallProtocolInterface(), so it is recommended that\r
1154 InstallMultipleProtocolInterfaces() be used in place of\r
1155 InstallProtocolInterface()\r
1156\r
d3d92557
FT
1157 @param[in, out] Handle A pointer to the EFI_HANDLE on which the interface is to be installed.\r
1158 @param[in] Protocol The numeric ID of the protocol interface.\r
1159 @param[in] InterfaceType Indicates whether Interface is supplied in native form.\r
1160 @param[in] Interface A pointer to the protocol interface.\r
959ccb23 1161\r
1162 @retval EFI_SUCCESS The protocol interface was installed.\r
1163 @retval EFI_OUT_OF_RESOURCES Space for a new handle could not be allocated.\r
e0c047a0 1164 @retval EFI_INVALID_PARAMETER Handle is NULL.\r
1165 @retval EFI_INVALID_PARAMETER Protocol is NULL.\r
1166 @retval EFI_INVALID_PARAMETER InterfaceType is not EFI_NATIVE_INTERFACE.\r
1167 @retval EFI_INVALID_PARAMETER Protocol is already installed on the handle specified by Handle.\r
959ccb23 1168\r
1169**/\r
1170typedef\r
1171EFI_STATUS\r
8b13229b 1172(EFIAPI *EFI_INSTALL_PROTOCOL_INTERFACE)(\r
959ccb23 1173 IN OUT EFI_HANDLE *Handle,\r
1174 IN EFI_GUID *Protocol,\r
1175 IN EFI_INTERFACE_TYPE InterfaceType,\r
1176 IN VOID *Interface\r
1177 );\r
1178\r
1179/**\r
1180 Installs one or more protocol interfaces into the boot services environment.\r
1181\r
d3d92557 1182 @param[in, out] Handle The pointer to a handle to install the new protocol interfaces on,\r
4a23eaa9 1183 or a pointer to NULL if a new handle is to be allocated.\r
959ccb23 1184 @param ... A variable argument list containing pairs of protocol GUIDs and protocol\r
1185 interfaces.\r
1186\r
1187 @retval EFI_SUCCESS All the protocol interface was installed.\r
1188 @retval EFI_OUT_OF_RESOURCES There was not enough memory in pool to install all the protocols.\r
1189 @retval EFI_ALREADY_STARTED A Device Path Protocol instance was passed in that is already present in\r
1190 the handle database.\r
5a7b9bbe
SQ
1191 @retval EFI_INVALID_PARAMETER Handle is NULL.\r
1192 @retval EFI_INVALID_PARAMETER Protocol is already installed on the handle specified by Handle.\r
959ccb23 1193\r
1194**/\r
1195typedef\r
1196EFI_STATUS\r
8b13229b 1197(EFIAPI *EFI_INSTALL_MULTIPLE_PROTOCOL_INTERFACES)(\r
959ccb23 1198 IN OUT EFI_HANDLE *Handle,\r
1199 ...\r
1200 );\r
1201\r
1202/**\r
1203 Reinstalls a protocol interface on a device handle.\r
1204\r
d3d92557
FT
1205 @param[in] Handle Handle on which the interface is to be reinstalled.\r
1206 @param[in] Protocol The numeric ID of the interface.\r
1207 @param[in] OldInterface A pointer to the old interface. NULL can be used if a structure is not\r
959ccb23 1208 associated with Protocol.\r
d3d92557 1209 @param[in] NewInterface A pointer to the new interface.\r
959ccb23 1210\r
1211 @retval EFI_SUCCESS The protocol interface was reinstalled.\r
1212 @retval EFI_NOT_FOUND The OldInterface on the handle was not found.\r
1213 @retval EFI_ACCESS_DENIED The protocol interface could not be reinstalled,\r
1214 because OldInterface is still being used by a\r
1215 driver that will not release it.\r
18bd7e85 1216 @retval EFI_INVALID_PARAMETER Handle is NULL.\r
e0c047a0 1217 @retval EFI_INVALID_PARAMETER Protocol is NULL.\r
959ccb23 1218\r
1219**/\r
1220typedef\r
1221EFI_STATUS\r
8b13229b 1222(EFIAPI *EFI_REINSTALL_PROTOCOL_INTERFACE)(\r
959ccb23 1223 IN EFI_HANDLE Handle,\r
1224 IN EFI_GUID *Protocol,\r
1225 IN VOID *OldInterface,\r
1226 IN VOID *NewInterface\r
1227 );\r
1228\r
1229/**\r
1230 Removes a protocol interface from a device handle. It is recommended that\r
1231 UninstallMultipleProtocolInterfaces() be used in place of\r
1232 UninstallProtocolInterface().\r
1233\r
d3d92557
FT
1234 @param[in] Handle The handle on which the interface was installed.\r
1235 @param[in] Protocol The numeric ID of the interface.\r
1236 @param[in] Interface A pointer to the interface.\r
959ccb23 1237\r
1238 @retval EFI_SUCCESS The interface was removed.\r
1239 @retval EFI_NOT_FOUND The interface was not found.\r
1240 @retval EFI_ACCESS_DENIED The interface was not removed because the interface\r
1241 is still being used by a driver.\r
18bd7e85 1242 @retval EFI_INVALID_PARAMETER Handle is NULL.\r
e0c047a0 1243 @retval EFI_INVALID_PARAMETER Protocol is NULL.\r
959ccb23 1244\r
1245**/\r
1246typedef\r
1247EFI_STATUS\r
8b13229b 1248(EFIAPI *EFI_UNINSTALL_PROTOCOL_INTERFACE)(\r
959ccb23 1249 IN EFI_HANDLE Handle,\r
1250 IN EFI_GUID *Protocol,\r
1251 IN VOID *Interface\r
1252 );\r
1253\r
1254/**\r
1255 Removes one or more protocol interfaces into the boot services environment.\r
1256\r
d3d92557 1257 @param[in] Handle The handle to remove the protocol interfaces from.\r
959ccb23 1258 @param ... A variable argument list containing pairs of protocol GUIDs and\r
1259 protocol interfaces.\r
1260\r
1261 @retval EFI_SUCCESS All the protocol interfaces were removed.\r
1262 @retval EFI_INVALID_PARAMETER One of the protocol interfaces was not previously installed on Handle.\r
1263\r
1264**/\r
1265typedef\r
1266EFI_STATUS\r
8b13229b 1267(EFIAPI *EFI_UNINSTALL_MULTIPLE_PROTOCOL_INTERFACES)(\r
959ccb23 1268 IN EFI_HANDLE Handle,\r
1269 ...\r
1270 );\r
1271\r
1272/**\r
1273 Queries a handle to determine if it supports a specified protocol.\r
1274\r
d3d92557
FT
1275 @param[in] Handle The handle being queried.\r
1276 @param[in] Protocol The published unique identifier of the protocol.\r
1277 @param[out] Interface Supplies the address where a pointer to the corresponding Protocol\r
959ccb23 1278 Interface is returned.\r
e0c047a0 1279\r
959ccb23 1280 @retval EFI_SUCCESS The interface information for the specified protocol was returned.\r
1281 @retval EFI_UNSUPPORTED The device does not support the specified protocol.\r
18bd7e85 1282 @retval EFI_INVALID_PARAMETER Handle is NULL.\r
e0c047a0 1283 @retval EFI_INVALID_PARAMETER Protocol is NULL.\r
1284 @retval EFI_INVALID_PARAMETER Interface is NULL.\r
959ccb23 1285\r
1286**/\r
1287typedef\r
1288EFI_STATUS\r
8b13229b 1289(EFIAPI *EFI_HANDLE_PROTOCOL)(\r
959ccb23 1290 IN EFI_HANDLE Handle,\r
1291 IN EFI_GUID *Protocol,\r
1292 OUT VOID **Interface\r
1293 );\r
1294\r
2f88bd3a
MK
1295#define EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL 0x00000001\r
1296#define EFI_OPEN_PROTOCOL_GET_PROTOCOL 0x00000002\r
1297#define EFI_OPEN_PROTOCOL_TEST_PROTOCOL 0x00000004\r
1298#define EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER 0x00000008\r
1299#define EFI_OPEN_PROTOCOL_BY_DRIVER 0x00000010\r
1300#define EFI_OPEN_PROTOCOL_EXCLUSIVE 0x00000020\r
959ccb23 1301\r
1302/**\r
1303 Queries a handle to determine if it supports a specified protocol. If the protocol is supported by the\r
1304 handle, it opens the protocol on behalf of the calling agent.\r
1305\r
d3d92557
FT
1306 @param[in] Handle The handle for the protocol interface that is being opened.\r
1307 @param[in] Protocol The published unique identifier of the protocol.\r
1308 @param[out] Interface Supplies the address where a pointer to the corresponding Protocol\r
959ccb23 1309 Interface is returned.\r
d3d92557 1310 @param[in] AgentHandle The handle of the agent that is opening the protocol interface\r
959ccb23 1311 specified by Protocol and Interface.\r
d3d92557 1312 @param[in] ControllerHandle If the agent that is opening a protocol is a driver that follows the\r
959ccb23 1313 UEFI Driver Model, then this parameter is the controller handle\r
1314 that requires the protocol interface. If the agent does not follow\r
1315 the UEFI Driver Model, then this parameter is optional and may\r
1316 be NULL.\r
d3d92557 1317 @param[in] Attributes The open mode of the protocol interface specified by Handle\r
959ccb23 1318 and Protocol.\r
1319\r
1320 @retval EFI_SUCCESS An item was added to the open list for the protocol interface, and the\r
1321 protocol interface was returned in Interface.\r
1322 @retval EFI_UNSUPPORTED Handle does not support Protocol.\r
1323 @retval EFI_INVALID_PARAMETER One or more parameters are invalid.\r
1324 @retval EFI_ACCESS_DENIED Required attributes can't be supported in current environment.\r
1325 @retval EFI_ALREADY_STARTED Item on the open list already has requierd attributes whose agent\r
1326 handle is the same as AgentHandle.\r
1327\r
1328**/\r
1329typedef\r
1330EFI_STATUS\r
8b13229b 1331(EFIAPI *EFI_OPEN_PROTOCOL)(\r
959ccb23 1332 IN EFI_HANDLE Handle,\r
1333 IN EFI_GUID *Protocol,\r
d0e2f823 1334 OUT VOID **Interface OPTIONAL,\r
959ccb23 1335 IN EFI_HANDLE AgentHandle,\r
e0c047a0 1336 IN EFI_HANDLE ControllerHandle,\r
959ccb23 1337 IN UINT32 Attributes\r
1338 );\r
1339\r
959ccb23 1340/**\r
1341 Closes a protocol on a handle that was opened using OpenProtocol().\r
1342\r
d3d92557 1343 @param[in] Handle The handle for the protocol interface that was previously opened\r
959ccb23 1344 with OpenProtocol(), and is now being closed.\r
d3d92557
FT
1345 @param[in] Protocol The published unique identifier of the protocol.\r
1346 @param[in] AgentHandle The handle of the agent that is closing the protocol interface.\r
1347 @param[in] ControllerHandle If the agent that opened a protocol is a driver that follows the\r
959ccb23 1348 UEFI Driver Model, then this parameter is the controller handle\r
1349 that required the protocol interface.\r
1350\r
1351 @retval EFI_SUCCESS The protocol instance was closed.\r
d9de7921
RN
1352 @retval EFI_INVALID_PARAMETER 1) Handle is NULL.\r
1353 2) AgentHandle is NULL.\r
e0c047a0 1354 3) ControllerHandle is not NULL and ControllerHandle is not a valid EFI_HANDLE.\r
1355 4) Protocol is NULL.\r
959ccb23 1356 @retval EFI_NOT_FOUND 1) Handle does not support the protocol specified by Protocol.\r
1357 2) The protocol interface specified by Handle and Protocol is not\r
1358 currently open by AgentHandle and ControllerHandle.\r
1359\r
1360**/\r
1361typedef\r
1362EFI_STATUS\r
8b13229b 1363(EFIAPI *EFI_CLOSE_PROTOCOL)(\r
959ccb23 1364 IN EFI_HANDLE Handle,\r
1365 IN EFI_GUID *Protocol,\r
1366 IN EFI_HANDLE AgentHandle,\r
1367 IN EFI_HANDLE ControllerHandle\r
1368 );\r
1369\r
2a3f6a21 1370///\r
1371/// EFI Oprn Protocol Information Entry\r
1372///\r
959ccb23 1373typedef struct {\r
2f88bd3a
MK
1374 EFI_HANDLE AgentHandle;\r
1375 EFI_HANDLE ControllerHandle;\r
1376 UINT32 Attributes;\r
1377 UINT32 OpenCount;\r
959ccb23 1378} EFI_OPEN_PROTOCOL_INFORMATION_ENTRY;\r
1379\r
1380/**\r
1381 Retrieves the list of agents that currently have a protocol interface opened.\r
1382\r
d3d92557
FT
1383 @param[in] Handle The handle for the protocol interface that is being queried.\r
1384 @param[in] Protocol The published unique identifier of the protocol.\r
1385 @param[out] EntryBuffer A pointer to a buffer of open protocol information in the form of\r
959ccb23 1386 EFI_OPEN_PROTOCOL_INFORMATION_ENTRY structures.\r
d3d92557 1387 @param[out] EntryCount A pointer to the number of entries in EntryBuffer.\r
959ccb23 1388\r
1389 @retval EFI_SUCCESS The open protocol information was returned in EntryBuffer, and the\r
1390 number of entries was returned EntryCount.\r
1391 @retval EFI_OUT_OF_RESOURCES There are not enough resources available to allocate EntryBuffer.\r
1392 @retval EFI_NOT_FOUND Handle does not support the protocol specified by Protocol.\r
1393\r
1394**/\r
1395typedef\r
1396EFI_STATUS\r
8b13229b 1397(EFIAPI *EFI_OPEN_PROTOCOL_INFORMATION)(\r
959ccb23 1398 IN EFI_HANDLE Handle,\r
1399 IN EFI_GUID *Protocol,\r
e0c047a0 1400 OUT EFI_OPEN_PROTOCOL_INFORMATION_ENTRY **EntryBuffer,\r
959ccb23 1401 OUT UINTN *EntryCount\r
1402 );\r
1403\r
1404/**\r
1405 Retrieves the list of protocol interface GUIDs that are installed on a handle in a buffer allocated\r
1406 from pool.\r
1407\r
d3d92557
FT
1408 @param[in] Handle The handle from which to retrieve the list of protocol interface\r
1409 GUIDs.\r
1410 @param[out] ProtocolBuffer A pointer to the list of protocol interface GUID pointers that are\r
1411 installed on Handle.\r
1412 @param[out] ProtocolBufferCount A pointer to the number of GUID pointers present in\r
1413 ProtocolBuffer.\r
959ccb23 1414\r
1415 @retval EFI_SUCCESS The list of protocol interface GUIDs installed on Handle was returned in\r
1416 ProtocolBuffer. The number of protocol interface GUIDs was\r
1417 returned in ProtocolBufferCount.\r
1418 @retval EFI_OUT_OF_RESOURCES There is not enough pool memory to store the results.\r
e0c047a0 1419 @retval EFI_INVALID_PARAMETER Handle is NULL.\r
1420 @retval EFI_INVALID_PARAMETER Handle is not a valid EFI_HANDLE.\r
1421 @retval EFI_INVALID_PARAMETER ProtocolBuffer is NULL.\r
1422 @retval EFI_INVALID_PARAMETER ProtocolBufferCount is NULL.\r
959ccb23 1423\r
1424**/\r
1425typedef\r
1426EFI_STATUS\r
8b13229b 1427(EFIAPI *EFI_PROTOCOLS_PER_HANDLE)(\r
959ccb23 1428 IN EFI_HANDLE Handle,\r
1429 OUT EFI_GUID ***ProtocolBuffer,\r
1430 OUT UINTN *ProtocolBufferCount\r
1431 );\r
1432\r
1433/**\r
1434 Creates an event that is to be signaled whenever an interface is installed for a specified protocol.\r
1435\r
d3d92557
FT
1436 @param[in] Protocol The numeric ID of the protocol for which the event is to be registered.\r
1437 @param[in] Event Event that is to be signaled whenever a protocol interface is registered\r
959ccb23 1438 for Protocol.\r
d3d92557 1439 @param[out] Registration A pointer to a memory location to receive the registration value.\r
959ccb23 1440\r
1441 @retval EFI_SUCCESS The notification event has been registered.\r
1442 @retval EFI_OUT_OF_RESOURCES Space for the notification event could not be allocated.\r
e0c047a0 1443 @retval EFI_INVALID_PARAMETER Protocol is NULL.\r
1444 @retval EFI_INVALID_PARAMETER Event is NULL.\r
1445 @retval EFI_INVALID_PARAMETER Registration is NULL.\r
959ccb23 1446\r
1447**/\r
1448typedef\r
1449EFI_STATUS\r
8b13229b 1450(EFIAPI *EFI_REGISTER_PROTOCOL_NOTIFY)(\r
959ccb23 1451 IN EFI_GUID *Protocol,\r
1452 IN EFI_EVENT Event,\r
1453 OUT VOID **Registration\r
1454 );\r
1455\r
2a3f6a21 1456///\r
1457/// Enumeration of EFI Locate Search Types\r
1458///\r
959ccb23 1459typedef enum {\r
2a3f6a21 1460 ///\r
1461 /// Retrieve all the handles in the handle database.\r
1462 ///\r
959ccb23 1463 AllHandles,\r
2a3f6a21 1464 ///\r
1465 /// Retrieve the next handle fron a RegisterProtocolNotify() event.\r
1466 ///\r
959ccb23 1467 ByRegisterNotify,\r
2a3f6a21 1468 ///\r
9095d37b 1469 /// Retrieve the set of handles from the handle database that support a\r
2a3f6a21 1470 /// specified protocol.\r
1471 ///\r
959ccb23 1472 ByProtocol\r
1473} EFI_LOCATE_SEARCH_TYPE;\r
1474\r
1475/**\r
1476 Returns an array of handles that support a specified protocol.\r
1477\r
d3d92557
FT
1478 @param[in] SearchType Specifies which handle(s) are to be returned.\r
1479 @param[in] Protocol Specifies the protocol to search by.\r
1480 @param[in] SearchKey Specifies the search key.\r
1481 @param[in, out] BufferSize On input, the size in bytes of Buffer. On output, the size in bytes of\r
959ccb23 1482 the array returned in Buffer (if the buffer was large enough) or the\r
1483 size, in bytes, of the buffer needed to obtain the array (if the buffer was\r
1484 not large enough).\r
d3d92557 1485 @param[out] Buffer The buffer in which the array is returned.\r
959ccb23 1486\r
1487 @retval EFI_SUCCESS The array of handles was returned.\r
1488 @retval EFI_NOT_FOUND No handles match the search.\r
1489 @retval EFI_BUFFER_TOO_SMALL The BufferSize is too small for the result.\r
e0c047a0 1490 @retval EFI_INVALID_PARAMETER SearchType is not a member of EFI_LOCATE_SEARCH_TYPE.\r
1491 @retval EFI_INVALID_PARAMETER SearchType is ByRegisterNotify and SearchKey is NULL.\r
1492 @retval EFI_INVALID_PARAMETER SearchType is ByProtocol and Protocol is NULL.\r
1493 @retval EFI_INVALID_PARAMETER One or more matches are found and BufferSize is NULL.\r
1494 @retval EFI_INVALID_PARAMETER BufferSize is large enough for the result and Buffer is NULL.\r
959ccb23 1495\r
1496**/\r
1497typedef\r
1498EFI_STATUS\r
8b13229b 1499(EFIAPI *EFI_LOCATE_HANDLE)(\r
959ccb23 1500 IN EFI_LOCATE_SEARCH_TYPE SearchType,\r
d0e2f823
MK
1501 IN EFI_GUID *Protocol OPTIONAL,\r
1502 IN VOID *SearchKey OPTIONAL,\r
959ccb23 1503 IN OUT UINTN *BufferSize,\r
1504 OUT EFI_HANDLE *Buffer\r
1505 );\r
1506\r
1507/**\r
1508 Locates the handle to a device on the device path that supports the specified protocol.\r
1509\r
d3d92557
FT
1510 @param[in] Protocol Specifies the protocol to search for.\r
1511 @param[in, out] DevicePath On input, a pointer to a pointer to the device path. On output, the device\r
959ccb23 1512 path pointer is modified to point to the remaining part of the device\r
1513 path.\r
d3d92557 1514 @param[out] Device A pointer to the returned device handle.\r
959ccb23 1515\r
1516 @retval EFI_SUCCESS The resulting handle was returned.\r
1517 @retval EFI_NOT_FOUND No handles match the search.\r
e0c047a0 1518 @retval EFI_INVALID_PARAMETER Protocol is NULL.\r
1519 @retval EFI_INVALID_PARAMETER DevicePath is NULL.\r
1520 @retval EFI_INVALID_PARAMETER A handle matched the search and Device is NULL.\r
959ccb23 1521\r
1522**/\r
1523typedef\r
1524EFI_STATUS\r
8b13229b 1525(EFIAPI *EFI_LOCATE_DEVICE_PATH)(\r
959ccb23 1526 IN EFI_GUID *Protocol,\r
1527 IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath,\r
1528 OUT EFI_HANDLE *Device\r
1529 );\r
1530\r
1531/**\r
1532 Adds, updates, or removes a configuration table entry from the EFI System Table.\r
1533\r
d3d92557
FT
1534 @param[in] Guid A pointer to the GUID for the entry to add, update, or remove.\r
1535 @param[in] Table A pointer to the configuration table for the entry to add, update, or\r
959ccb23 1536 remove. May be NULL.\r
1537\r
1538 @retval EFI_SUCCESS The (Guid, Table) pair was added, updated, or removed.\r
1539 @retval EFI_NOT_FOUND An attempt was made to delete a nonexistent entry.\r
bfe0572b 1540 @retval EFI_INVALID_PARAMETER Guid is NULL.\r
959ccb23 1541 @retval EFI_OUT_OF_RESOURCES There is not enough memory available to complete the operation.\r
1542\r
1543**/\r
1544typedef\r
1545EFI_STATUS\r
8b13229b 1546(EFIAPI *EFI_INSTALL_CONFIGURATION_TABLE)(\r
959ccb23 1547 IN EFI_GUID *Guid,\r
1548 IN VOID *Table\r
1549 );\r
1550\r
959ccb23 1551/**\r
1552 Returns an array of handles that support the requested protocol in a buffer allocated from pool.\r
1553\r
d3d92557
FT
1554 @param[in] SearchType Specifies which handle(s) are to be returned.\r
1555 @param[in] Protocol Provides the protocol to search by.\r
e0c047a0 1556 This parameter is only valid for a SearchType of ByProtocol.\r
d3d92557 1557 @param[in] SearchKey Supplies the search key depending on the SearchType.\r
ff95c0fc 1558 @param[out] NoHandles The number of handles returned in Buffer.\r
d3d92557 1559 @param[out] Buffer A pointer to the buffer to return the requested array of handles that\r
959ccb23 1560 support Protocol.\r
1561\r
1562 @retval EFI_SUCCESS The array of handles was returned in Buffer, and the number of\r
1563 handles in Buffer was returned in NoHandles.\r
1564 @retval EFI_NOT_FOUND No handles match the search.\r
1565 @retval EFI_OUT_OF_RESOURCES There is not enough pool memory to store the matching results.\r
e0c047a0 1566 @retval EFI_INVALID_PARAMETER NoHandles is NULL.\r
1567 @retval EFI_INVALID_PARAMETER Buffer is NULL.\r
959ccb23 1568\r
1569**/\r
1570typedef\r
1571EFI_STATUS\r
8b13229b 1572(EFIAPI *EFI_LOCATE_HANDLE_BUFFER)(\r
959ccb23 1573 IN EFI_LOCATE_SEARCH_TYPE SearchType,\r
d0e2f823
MK
1574 IN EFI_GUID *Protocol OPTIONAL,\r
1575 IN VOID *SearchKey OPTIONAL,\r
ff95c0fc 1576 OUT UINTN *NoHandles,\r
959ccb23 1577 OUT EFI_HANDLE **Buffer\r
1578 );\r
1579\r
1580/**\r
1581 Returns the first protocol instance that matches the given protocol.\r
1582\r
d3d92557
FT
1583 @param[in] Protocol Provides the protocol to search for.\r
1584 @param[in] Registration Optional registration key returned from\r
959ccb23 1585 RegisterProtocolNotify().\r
d3d92557 1586 @param[out] Interface On return, a pointer to the first interface that matches Protocol and\r
959ccb23 1587 Registration.\r
1588\r
1589 @retval EFI_SUCCESS A protocol instance matching Protocol was found and returned in\r
1590 Interface.\r
1591 @retval EFI_NOT_FOUND No protocol instances were found that match Protocol and\r
1592 Registration.\r
1593 @retval EFI_INVALID_PARAMETER Interface is NULL.\r
d65f7eeb 1594 Protocol is NULL.\r
959ccb23 1595\r
1596**/\r
1597typedef\r
1598EFI_STATUS\r
8b13229b 1599(EFIAPI *EFI_LOCATE_PROTOCOL)(\r
959ccb23 1600 IN EFI_GUID *Protocol,\r
d0e2f823 1601 IN VOID *Registration OPTIONAL,\r
959ccb23 1602 OUT VOID **Interface\r
1603 );\r
1604\r
2a3f6a21 1605///\r
1606/// EFI Capsule Block Descriptor\r
1607///\r
959ccb23 1608typedef struct {\r
1bf79370
LG
1609 ///\r
1610 /// Length in bytes of the data pointed to by DataBlock/ContinuationPointer.\r
1611 ///\r
2f88bd3a 1612 UINT64 Length;\r
959ccb23 1613 union {\r
1bf79370
LG
1614 ///\r
1615 /// Physical address of the data block. This member of the union is\r
1616 /// used if Length is not equal to zero.\r
1617 ///\r
2f88bd3a 1618 EFI_PHYSICAL_ADDRESS DataBlock;\r
1bf79370
LG
1619 ///\r
1620 /// Physical address of another block of\r
1621 /// EFI_CAPSULE_BLOCK_DESCRIPTOR structures. This\r
1622 /// member of the union is used if Length is equal to zero. If\r
1623 /// ContinuationPointer is zero this entry represents the end of the list.\r
1624 ///\r
2f88bd3a 1625 EFI_PHYSICAL_ADDRESS ContinuationPointer;\r
959ccb23 1626 } Union;\r
45ad5569 1627} EFI_CAPSULE_BLOCK_DESCRIPTOR;\r
959ccb23 1628\r
2a3f6a21 1629///\r
af2dc6a7 1630/// EFI Capsule Header.\r
2a3f6a21 1631///\r
959ccb23 1632typedef struct {\r
1bf79370
LG
1633 ///\r
1634 /// A GUID that defines the contents of a capsule.\r
1635 ///\r
2f88bd3a 1636 EFI_GUID CapsuleGuid;\r
1bf79370
LG
1637 ///\r
1638 /// The size of the capsule header. This may be larger than the size of\r
1639 /// the EFI_CAPSULE_HEADER since CapsuleGuid may imply\r
1640 /// extended header entries\r
1641 ///\r
2f88bd3a 1642 UINT32 HeaderSize;\r
1bf79370
LG
1643 ///\r
1644 /// Bit-mapped list describing the capsule attributes. The Flag values\r
f6d2bcc6 1645 /// of 0x0000 - 0xFFFF are defined by CapsuleGuid. Flag values\r
a0d58c21 1646 /// of 0x10000 - 0xFFFFFFFF are defined by this specification\r
1bf79370 1647 ///\r
2f88bd3a 1648 UINT32 Flags;\r
1bf79370
LG
1649 ///\r
1650 /// Size in bytes of the capsule.\r
1651 ///\r
2f88bd3a 1652 UINT32 CapsuleImageSize;\r
45ad5569 1653} EFI_CAPSULE_HEADER;\r
959ccb23 1654\r
1bf79370
LG
1655///\r
1656/// The EFI System Table entry must point to an array of capsules\r
1657/// that contain the same CapsuleGuid value. The array must be\r
1658/// prefixed by a UINT32 that represents the size of the array of capsules.\r
1659///\r
176a6bb3 1660typedef struct {\r
1bf79370
LG
1661 ///\r
1662 /// the size of the array of capsules.\r
1663 ///\r
2f88bd3a 1664 UINT32 CapsuleArrayNumber;\r
1bf79370
LG
1665 ///\r
1666 /// Point to an array of capsules that contain the same CapsuleGuid value.\r
1667 ///\r
2f88bd3a 1668 VOID *CapsulePtr[1];\r
176a6bb3
LG
1669} EFI_CAPSULE_TABLE;\r
1670\r
2f88bd3a
MK
1671#define CAPSULE_FLAGS_PERSIST_ACROSS_RESET 0x00010000\r
1672#define CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE 0x00020000\r
1673#define CAPSULE_FLAGS_INITIATE_RESET 0x00040000\r
959ccb23 1674\r
1675/**\r
1676 Passes capsules to the firmware with both virtual and physical mapping. Depending on the intended\r
1677 consumption, the firmware may process the capsule immediately. If the payload should persist\r
1678 across a system reset, the reset value returned from EFI_QueryCapsuleCapabilities must\r
1679 be passed into ResetSystem() and will cause the capsule to be processed by the firmware as\r
1680 part of the reset process.\r
1681\r
d3d92557
FT
1682 @param[in] CapsuleHeaderArray Virtual pointer to an array of virtual pointers to the capsules\r
1683 being passed into update capsule.\r
1684 @param[in] CapsuleCount Number of pointers to EFI_CAPSULE_HEADER in\r
1685 CaspuleHeaderArray.\r
1686 @param[in] ScatterGatherList Physical pointer to a set of\r
1687 EFI_CAPSULE_BLOCK_DESCRIPTOR that describes the\r
1688 location in physical memory of a set of capsules.\r
959ccb23 1689\r
1690 @retval EFI_SUCCESS Valid capsule was passed. If\r
1691 CAPSULE_FLAGS_PERSIT_ACROSS_RESET is not set, the\r
1692 capsule has been successfully processed by the firmware.\r
eaa8a234 1693 @retval EFI_INVALID_PARAMETER CapsuleSize is NULL, or an incompatible set of flags were\r
1694 set in the capsule header.\r
a0d58c21 1695 @retval EFI_INVALID_PARAMETER CapsuleCount is 0.\r
959ccb23 1696 @retval EFI_DEVICE_ERROR The capsule update was started, but failed due to a device error.\r
e0c047a0 1697 @retval EFI_UNSUPPORTED The capsule type is not supported on this platform.\r
9095d37b
LG
1698 @retval EFI_OUT_OF_RESOURCES When ExitBootServices() has been previously called this error indicates the capsule\r
1699 is compatible with this platform but is not capable of being submitted or processed\r
efdabc6c 1700 in runtime. The caller may resubmit the capsule prior to ExitBootServices().\r
9095d37b 1701 @retval EFI_OUT_OF_RESOURCES When ExitBootServices() has not been previously called then this error indicates\r
efdabc6c 1702 the capsule is compatible with this platform but there are insufficient resources to process.\r
959ccb23 1703\r
1704**/\r
1705typedef\r
1706EFI_STATUS\r
8b13229b 1707(EFIAPI *EFI_UPDATE_CAPSULE)(\r
531febc2 1708 IN EFI_CAPSULE_HEADER **CapsuleHeaderArray,\r
959ccb23 1709 IN UINTN CapsuleCount,\r
1710 IN EFI_PHYSICAL_ADDRESS ScatterGatherList OPTIONAL\r
1711 );\r
1712\r
1713/**\r
1714 Returns if the capsule can be supported via UpdateCapsule().\r
1715\r
d3d92557
FT
1716 @param[in] CapsuleHeaderArray Virtual pointer to an array of virtual pointers to the capsules\r
1717 being passed into update capsule.\r
1718 @param[in] CapsuleCount Number of pointers to EFI_CAPSULE_HEADER in\r
1719 CaspuleHeaderArray.\r
1720 @param[out] MaxiumCapsuleSize On output the maximum size that UpdateCapsule() can\r
1721 support as an argument to UpdateCapsule() via\r
1722 CapsuleHeaderArray and ScatterGatherList.\r
1723 @param[out] ResetType Returns the type of reset required for the capsule update.\r
959ccb23 1724\r
1725 @retval EFI_SUCCESS Valid answer returned.\r
1726 @retval EFI_UNSUPPORTED The capsule type is not supported on this platform, and\r
1727 MaximumCapsuleSize and ResetType are undefined.\r
1728 @retval EFI_INVALID_PARAMETER MaximumCapsuleSize is NULL.\r
9095d37b
LG
1729 @retval EFI_OUT_OF_RESOURCES When ExitBootServices() has been previously called this error indicates the capsule\r
1730 is compatible with this platform but is not capable of being submitted or processed\r
efdabc6c 1731 in runtime. The caller may resubmit the capsule prior to ExitBootServices().\r
9095d37b 1732 @retval EFI_OUT_OF_RESOURCES When ExitBootServices() has not been previously called then this error indicates\r
efdabc6c 1733 the capsule is compatible with this platform but there are insufficient resources to process.\r
959ccb23 1734\r
1735**/\r
1736typedef\r
1737EFI_STATUS\r
8b13229b 1738(EFIAPI *EFI_QUERY_CAPSULE_CAPABILITIES)(\r
531febc2 1739 IN EFI_CAPSULE_HEADER **CapsuleHeaderArray,\r
959ccb23 1740 IN UINTN CapsuleCount,\r
1741 OUT UINT64 *MaximumCapsuleSize,\r
1742 OUT EFI_RESET_TYPE *ResetType\r
1743 );\r
1744\r
1745/**\r
1746 Returns information about the EFI variables.\r
1747\r
d3d92557
FT
1748 @param[in] Attributes Attributes bitmask to specify the type of variables on\r
1749 which to return information.\r
1750 @param[out] MaximumVariableStorageSize On output the maximum size of the storage space\r
1751 available for the EFI variables associated with the\r
1752 attributes specified.\r
1753 @param[out] RemainingVariableStorageSize Returns the remaining size of the storage space\r
1754 available for the EFI variables associated with the\r
1755 attributes specified.\r
1756 @param[out] MaximumVariableSize Returns the maximum size of the individual EFI\r
1757 variables associated with the attributes specified.\r
959ccb23 1758\r
1759 @retval EFI_SUCCESS Valid answer returned.\r
1760 @retval EFI_INVALID_PARAMETER An invalid combination of attribute bits was supplied\r
1761 @retval EFI_UNSUPPORTED The attribute is not supported on this platform, and the\r
1762 MaximumVariableStorageSize,\r
1763 RemainingVariableStorageSize, MaximumVariableSize\r
1764 are undefined.\r
1765\r
1766**/\r
1767typedef\r
1768EFI_STATUS\r
8b13229b 1769(EFIAPI *EFI_QUERY_VARIABLE_INFO)(\r
959ccb23 1770 IN UINT32 Attributes,\r
1771 OUT UINT64 *MaximumVariableStorageSize,\r
1772 OUT UINT64 *RemainingVariableStorageSize,\r
1773 OUT UINT64 *MaximumVariableSize\r
1774 );\r
1775\r
b5eb03cf 1776//\r
1777// Firmware should stop at a firmware user interface on next boot\r
1778//\r
566771b0 1779#define EFI_OS_INDICATIONS_BOOT_TO_FW_UI 0x0000000000000001\r
1780#define EFI_OS_INDICATIONS_TIMESTAMP_REVOCATION 0x0000000000000002\r
1781#define EFI_OS_INDICATIONS_FILE_CAPSULE_DELIVERY_SUPPORTED 0x0000000000000004\r
1782#define EFI_OS_INDICATIONS_FMP_CAPSULE_SUPPORTED 0x0000000000000008\r
1783#define EFI_OS_INDICATIONS_CAPSULE_RESULT_VAR_SUPPORTED 0x0000000000000010\r
83952535 1784#define EFI_OS_INDICATIONS_START_PLATFORM_RECOVERY 0x0000000000000040\r
154e243a 1785#define EFI_OS_INDICATIONS_JSON_CONFIG_DATA_REFRESH 0x0000000000000080\r
959ccb23 1786\r
1787//\r
1788// EFI Runtime Services Table\r
1789//\r
07636730 1790#define EFI_SYSTEM_TABLE_SIGNATURE SIGNATURE_64 ('I','B','I',' ','S','Y','S','T')\r
2552fd58 1791#define EFI_2_80_SYSTEM_TABLE_REVISION ((2 << 16) | (80))\r
fee5ea2c 1792#define EFI_2_70_SYSTEM_TABLE_REVISION ((2 << 16) | (70))\r
ed5e386a 1793#define EFI_2_60_SYSTEM_TABLE_REVISION ((2 << 16) | (60))\r
b2e1b498 1794#define EFI_2_50_SYSTEM_TABLE_REVISION ((2 << 16) | (50))\r
b4319afb 1795#define EFI_2_40_SYSTEM_TABLE_REVISION ((2 << 16) | (40))\r
aee17e89 1796#define EFI_2_31_SYSTEM_TABLE_REVISION ((2 << 16) | (31))\r
add9c350 1797#define EFI_2_30_SYSTEM_TABLE_REVISION ((2 << 16) | (30))\r
1798#define EFI_2_20_SYSTEM_TABLE_REVISION ((2 << 16) | (20))\r
2a3f6a21 1799#define EFI_2_10_SYSTEM_TABLE_REVISION ((2 << 16) | (10))\r
1800#define EFI_2_00_SYSTEM_TABLE_REVISION ((2 << 16) | (00))\r
1801#define EFI_1_10_SYSTEM_TABLE_REVISION ((1 << 16) | (10))\r
1802#define EFI_1_02_SYSTEM_TABLE_REVISION ((1 << 16) | (02))\r
fee5ea2c 1803#define EFI_SYSTEM_TABLE_REVISION EFI_2_70_SYSTEM_TABLE_REVISION\r
78322c85 1804#define EFI_SPECIFICATION_VERSION EFI_SYSTEM_TABLE_REVISION\r
2a3f6a21 1805\r
07636730 1806#define EFI_RUNTIME_SERVICES_SIGNATURE SIGNATURE_64 ('R','U','N','T','S','E','R','V')\r
78322c85 1807#define EFI_RUNTIME_SERVICES_REVISION EFI_SPECIFICATION_VERSION\r
959ccb23 1808\r
e0c047a0 1809///\r
af2dc6a7 1810/// EFI Runtime Services Table.\r
e0c047a0 1811///\r
959ccb23 1812typedef struct {\r
e0c047a0 1813 ///\r
1814 /// The table header for the EFI Runtime Services Table.\r
1815 ///\r
2f88bd3a 1816 EFI_TABLE_HEADER Hdr;\r
00edb218
A
1817\r
1818 //\r
1819 // Time Services\r
1820 //\r
2f88bd3a
MK
1821 EFI_GET_TIME GetTime;\r
1822 EFI_SET_TIME SetTime;\r
1823 EFI_GET_WAKEUP_TIME GetWakeupTime;\r
1824 EFI_SET_WAKEUP_TIME SetWakeupTime;\r
00edb218
A
1825\r
1826 //\r
1827 // Virtual Memory Services\r
1828 //\r
2f88bd3a
MK
1829 EFI_SET_VIRTUAL_ADDRESS_MAP SetVirtualAddressMap;\r
1830 EFI_CONVERT_POINTER ConvertPointer;\r
00edb218
A
1831\r
1832 //\r
1833 // Variable Services\r
1834 //\r
2f88bd3a
MK
1835 EFI_GET_VARIABLE GetVariable;\r
1836 EFI_GET_NEXT_VARIABLE_NAME GetNextVariableName;\r
1837 EFI_SET_VARIABLE SetVariable;\r
00edb218
A
1838\r
1839 //\r
1840 // Miscellaneous Services\r
1841 //\r
2f88bd3a
MK
1842 EFI_GET_NEXT_HIGH_MONO_COUNT GetNextHighMonotonicCount;\r
1843 EFI_RESET_SYSTEM ResetSystem;\r
00edb218
A
1844\r
1845 //\r
1846 // UEFI 2.0 Capsule Services\r
1847 //\r
2f88bd3a
MK
1848 EFI_UPDATE_CAPSULE UpdateCapsule;\r
1849 EFI_QUERY_CAPSULE_CAPABILITIES QueryCapsuleCapabilities;\r
00edb218
A
1850\r
1851 //\r
1852 // Miscellaneous UEFI 2.0 Service\r
1853 //\r
2f88bd3a 1854 EFI_QUERY_VARIABLE_INFO QueryVariableInfo;\r
959ccb23 1855} EFI_RUNTIME_SERVICES;\r
1856\r
2f88bd3a
MK
1857#define EFI_BOOT_SERVICES_SIGNATURE SIGNATURE_64 ('B','O','O','T','S','E','R','V')\r
1858#define EFI_BOOT_SERVICES_REVISION EFI_SPECIFICATION_VERSION\r
959ccb23 1859\r
e0c047a0 1860///\r
af2dc6a7 1861/// EFI Boot Services Table.\r
e0c047a0 1862///\r
959ccb23 1863typedef struct {\r
e0c047a0 1864 ///\r
1865 /// The table header for the EFI Boot Services Table.\r
1866 ///\r
2f88bd3a 1867 EFI_TABLE_HEADER Hdr;\r
d0c64728 1868\r
00edb218
A
1869 //\r
1870 // Task Priority Services\r
1871 //\r
2f88bd3a
MK
1872 EFI_RAISE_TPL RaiseTPL;\r
1873 EFI_RESTORE_TPL RestoreTPL;\r
00edb218
A
1874\r
1875 //\r
1876 // Memory Services\r
1877 //\r
2f88bd3a
MK
1878 EFI_ALLOCATE_PAGES AllocatePages;\r
1879 EFI_FREE_PAGES FreePages;\r
1880 EFI_GET_MEMORY_MAP GetMemoryMap;\r
1881 EFI_ALLOCATE_POOL AllocatePool;\r
1882 EFI_FREE_POOL FreePool;\r
00edb218
A
1883\r
1884 //\r
1885 // Event & Timer Services\r
1886 //\r
2f88bd3a
MK
1887 EFI_CREATE_EVENT CreateEvent;\r
1888 EFI_SET_TIMER SetTimer;\r
1889 EFI_WAIT_FOR_EVENT WaitForEvent;\r
1890 EFI_SIGNAL_EVENT SignalEvent;\r
1891 EFI_CLOSE_EVENT CloseEvent;\r
1892 EFI_CHECK_EVENT CheckEvent;\r
00edb218
A
1893\r
1894 //\r
1895 // Protocol Handler Services\r
1896 //\r
2f88bd3a
MK
1897 EFI_INSTALL_PROTOCOL_INTERFACE InstallProtocolInterface;\r
1898 EFI_REINSTALL_PROTOCOL_INTERFACE ReinstallProtocolInterface;\r
1899 EFI_UNINSTALL_PROTOCOL_INTERFACE UninstallProtocolInterface;\r
1900 EFI_HANDLE_PROTOCOL HandleProtocol;\r
1901 VOID *Reserved;\r
1902 EFI_REGISTER_PROTOCOL_NOTIFY RegisterProtocolNotify;\r
1903 EFI_LOCATE_HANDLE LocateHandle;\r
1904 EFI_LOCATE_DEVICE_PATH LocateDevicePath;\r
1905 EFI_INSTALL_CONFIGURATION_TABLE InstallConfigurationTable;\r
00edb218
A
1906\r
1907 //\r
1908 // Image Services\r
1909 //\r
2f88bd3a
MK
1910 EFI_IMAGE_LOAD LoadImage;\r
1911 EFI_IMAGE_START StartImage;\r
1912 EFI_EXIT Exit;\r
1913 EFI_IMAGE_UNLOAD UnloadImage;\r
1914 EFI_EXIT_BOOT_SERVICES ExitBootServices;\r
00edb218
A
1915\r
1916 //\r
1917 // Miscellaneous Services\r
1918 //\r
2f88bd3a
MK
1919 EFI_GET_NEXT_MONOTONIC_COUNT GetNextMonotonicCount;\r
1920 EFI_STALL Stall;\r
1921 EFI_SET_WATCHDOG_TIMER SetWatchdogTimer;\r
00edb218
A
1922\r
1923 //\r
1924 // DriverSupport Services\r
1925 //\r
2f88bd3a
MK
1926 EFI_CONNECT_CONTROLLER ConnectController;\r
1927 EFI_DISCONNECT_CONTROLLER DisconnectController;\r
00edb218
A
1928\r
1929 //\r
1930 // Open and Close Protocol Services\r
1931 //\r
2f88bd3a
MK
1932 EFI_OPEN_PROTOCOL OpenProtocol;\r
1933 EFI_CLOSE_PROTOCOL CloseProtocol;\r
1934 EFI_OPEN_PROTOCOL_INFORMATION OpenProtocolInformation;\r
00edb218
A
1935\r
1936 //\r
1937 // Library Services\r
1938 //\r
2f88bd3a
MK
1939 EFI_PROTOCOLS_PER_HANDLE ProtocolsPerHandle;\r
1940 EFI_LOCATE_HANDLE_BUFFER LocateHandleBuffer;\r
1941 EFI_LOCATE_PROTOCOL LocateProtocol;\r
1942 EFI_INSTALL_MULTIPLE_PROTOCOL_INTERFACES InstallMultipleProtocolInterfaces;\r
1943 EFI_UNINSTALL_MULTIPLE_PROTOCOL_INTERFACES UninstallMultipleProtocolInterfaces;\r
00edb218
A
1944\r
1945 //\r
1946 // 32-bit CRC Services\r
1947 //\r
2f88bd3a 1948 EFI_CALCULATE_CRC32 CalculateCrc32;\r
00edb218
A
1949\r
1950 //\r
1951 // Miscellaneous Services\r
1952 //\r
2f88bd3a
MK
1953 EFI_COPY_MEM CopyMem;\r
1954 EFI_SET_MEM SetMem;\r
1955 EFI_CREATE_EVENT_EX CreateEventEx;\r
959ccb23 1956} EFI_BOOT_SERVICES;\r
1957\r
e0c047a0 1958///\r
1959/// Contains a set of GUID/pointer pairs comprised of the ConfigurationTable field in the\r
1960/// EFI System Table.\r
1961///\r
2a3f6a21 1962typedef struct {\r
e0c047a0 1963 ///\r
1964 /// The 128-bit GUID value that uniquely identifies the system configuration table.\r
1965 ///\r
2f88bd3a 1966 EFI_GUID VendorGuid;\r
e0c047a0 1967 ///\r
1968 /// A pointer to the table associated with VendorGuid.\r
1969 ///\r
2f88bd3a 1970 VOID *VendorTable;\r
959ccb23 1971} EFI_CONFIGURATION_TABLE;\r
1972\r
e0c047a0 1973///\r
1974/// EFI System Table\r
1975///\r
2a3f6a21 1976typedef struct {\r
e0c047a0 1977 ///\r
1978 /// The table header for the EFI System Table.\r
1979 ///\r
2f88bd3a 1980 EFI_TABLE_HEADER Hdr;\r
e0c047a0 1981 ///\r
fbf926ad 1982 /// A pointer to a null terminated string that identifies the vendor\r
1983 /// that produces the system firmware for the platform.\r
e0c047a0 1984 ///\r
2f88bd3a 1985 CHAR16 *FirmwareVendor;\r
e0c047a0 1986 ///\r
1987 /// A firmware vendor specific value that identifies the revision\r
1988 /// of the system firmware for the platform.\r
1989 ///\r
2f88bd3a 1990 UINT32 FirmwareRevision;\r
e0c047a0 1991 ///\r
eaf75bf4 1992 /// The handle for the active console input device. This handle must support\r
1993 /// EFI_SIMPLE_TEXT_INPUT_PROTOCOL and EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL.\r
e0c047a0 1994 ///\r
2f88bd3a 1995 EFI_HANDLE ConsoleInHandle;\r
e0c047a0 1996 ///\r
11ca63ec 1997 /// A pointer to the EFI_SIMPLE_TEXT_INPUT_PROTOCOL interface that is\r
e0c047a0 1998 /// associated with ConsoleInHandle.\r
1999 ///\r
2f88bd3a 2000 EFI_SIMPLE_TEXT_INPUT_PROTOCOL *ConIn;\r
e0c047a0 2001 ///\r
2002 /// The handle for the active console output device.\r
2003 ///\r
2f88bd3a 2004 EFI_HANDLE ConsoleOutHandle;\r
e0c047a0 2005 ///\r
11ca63ec 2006 /// A pointer to the EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL interface\r
e0c047a0 2007 /// that is associated with ConsoleOutHandle.\r
2008 ///\r
2f88bd3a 2009 EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *ConOut;\r
e0c047a0 2010 ///\r
2011 /// The handle for the active standard error console device.\r
eaf75bf4 2012 /// This handle must support the EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.\r
e0c047a0 2013 ///\r
2f88bd3a 2014 EFI_HANDLE StandardErrorHandle;\r
e0c047a0 2015 ///\r
11ca63ec 2016 /// A pointer to the EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL interface\r
e0c047a0 2017 /// that is associated with StandardErrorHandle.\r
2018 ///\r
2f88bd3a 2019 EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *StdErr;\r
e0c047a0 2020 ///\r
2021 /// A pointer to the EFI Runtime Services Table.\r
2022 ///\r
2f88bd3a 2023 EFI_RUNTIME_SERVICES *RuntimeServices;\r
e0c047a0 2024 ///\r
2025 /// A pointer to the EFI Boot Services Table.\r
2026 ///\r
2f88bd3a 2027 EFI_BOOT_SERVICES *BootServices;\r
e0c047a0 2028 ///\r
2029 /// The number of system configuration tables in the buffer ConfigurationTable.\r
2030 ///\r
2f88bd3a 2031 UINTN NumberOfTableEntries;\r
e0c047a0 2032 ///\r
2033 /// A pointer to the system configuration tables.\r
2034 /// The number of entries in the table is NumberOfTableEntries.\r
2035 ///\r
2f88bd3a 2036 EFI_CONFIGURATION_TABLE *ConfigurationTable;\r
2a3f6a21 2037} EFI_SYSTEM_TABLE;\r
2038\r
2039/**\r
2040 This is the declaration of an EFI image entry point. This entry point is\r
2041 the same for UEFI Applications, UEFI OS Loaders, and UEFI Drivers including\r
2042 both device drivers and bus drivers.\r
2043\r
d3d92557
FT
2044 @param[in] ImageHandle The firmware allocated handle for the UEFI image.\r
2045 @param[in] SystemTable A pointer to the EFI System Table.\r
2a3f6a21 2046\r
2047 @retval EFI_SUCCESS The operation completed successfully.\r
af2dc6a7 2048 @retval Others An unexpected error occurred.\r
2a3f6a21 2049**/\r
2050typedef\r
2051EFI_STATUS\r
2052(EFIAPI *EFI_IMAGE_ENTRY_POINT)(\r
2053 IN EFI_HANDLE ImageHandle,\r
2054 IN EFI_SYSTEM_TABLE *SystemTable\r
2055 );\r
959ccb23 2056\r
faa32beb
RN
2057//\r
2058// EFI Load Option. This data structure describes format of UEFI boot option variables.\r
2059//\r
2060// NOTE: EFI Load Option is a byte packed buffer of variable length fields.\r
2061// The first two fields have fixed length. They are declared as members of the\r
2062// EFI_LOAD_OPTION structure. All the other fields are variable length fields.\r
2063// They are listed in the comment block below for reference purposes.\r
2064//\r
2065#pragma pack(1)\r
2066typedef struct _EFI_LOAD_OPTION {\r
2067 ///\r
2068 /// The attributes for this load option entry. All unused bits must be zero\r
2069 /// and are reserved by the UEFI specification for future growth.\r
2070 ///\r
2f88bd3a 2071 UINT32 Attributes;\r
faa32beb
RN
2072 ///\r
2073 /// Length in bytes of the FilePathList. OptionalData starts at offset\r
2074 /// sizeof(UINT32) + sizeof(UINT16) + StrSize(Description) + FilePathListLength\r
2075 /// of the EFI_LOAD_OPTION descriptor.\r
2076 ///\r
2f88bd3a 2077 UINT16 FilePathListLength;\r
faa32beb
RN
2078 ///\r
2079 /// The user readable description for the load option.\r
2080 /// This field ends with a Null character.\r
2081 ///\r
2082 // CHAR16 Description[];\r
2083 ///\r
2084 /// A packed array of UEFI device paths. The first element of the array is a\r
2085 /// device path that describes the device and location of the Image for this\r
2086 /// load option. The FilePathList[0] is specific to the device type. Other\r
2087 /// device paths may optionally exist in the FilePathList, but their usage is\r
2088 /// OSV specific. Each element in the array is variable length, and ends at\r
2089 /// the device path end structure. Because the size of Description is\r
2090 /// arbitrary, this data structure is not guaranteed to be aligned on a\r
2091 /// natural boundary. This data structure may have to be copied to an aligned\r
2092 /// natural boundary before it is used.\r
2093 ///\r
2094 // EFI_DEVICE_PATH_PROTOCOL FilePathList[];\r
2095 ///\r
2096 /// The remaining bytes in the load option descriptor are a binary data buffer\r
2097 /// that is passed to the loaded image. If the field is zero bytes long, a\r
2098 /// NULL pointer is passed to the loaded image. The number of bytes in\r
2099 /// OptionalData can be computed by subtracting the starting offset of\r
2100 /// OptionalData from total size in bytes of the EFI_LOAD_OPTION.\r
2101 ///\r
2102 // UINT8 OptionalData[];\r
2103} EFI_LOAD_OPTION;\r
2104#pragma pack()\r
2105\r
95cba3ee
A
2106//\r
2107// EFI Load Options Attributes\r
2108//\r
2f88bd3a
MK
2109#define LOAD_OPTION_ACTIVE 0x00000001\r
2110#define LOAD_OPTION_FORCE_RECONNECT 0x00000002\r
2111#define LOAD_OPTION_HIDDEN 0x00000008\r
2112#define LOAD_OPTION_CATEGORY 0x00001F00\r
573b8a86 2113\r
2f88bd3a
MK
2114#define LOAD_OPTION_CATEGORY_BOOT 0x00000000\r
2115#define LOAD_OPTION_CATEGORY_APP 0x00000100\r
573b8a86 2116\r
2f88bd3a
MK
2117#define EFI_BOOT_OPTION_SUPPORT_KEY 0x00000001\r
2118#define EFI_BOOT_OPTION_SUPPORT_APP 0x00000002\r
2119#define EFI_BOOT_OPTION_SUPPORT_SYSPREP 0x00000010\r
2120#define EFI_BOOT_OPTION_SUPPORT_COUNT 0x00000300\r
95cba3ee 2121\r
2a3f6a21 2122///\r
2123/// EFI Boot Key Data\r
2124///\r
d4468cdf
RN
2125typedef union {\r
2126 struct {\r
2127 ///\r
2128 /// Indicates the revision of the EFI_KEY_OPTION structure. This revision level should be 0.\r
2129 ///\r
2f88bd3a 2130 UINT32 Revision : 8;\r
d4468cdf
RN
2131 ///\r
2132 /// Either the left or right Shift keys must be pressed (1) or must not be pressed (0).\r
2133 ///\r
2f88bd3a 2134 UINT32 ShiftPressed : 1;\r
d4468cdf
RN
2135 ///\r
2136 /// Either the left or right Control keys must be pressed (1) or must not be pressed (0).\r
2137 ///\r
2f88bd3a 2138 UINT32 ControlPressed : 1;\r
d4468cdf
RN
2139 ///\r
2140 /// Either the left or right Alt keys must be pressed (1) or must not be pressed (0).\r
2141 ///\r
2f88bd3a 2142 UINT32 AltPressed : 1;\r
d4468cdf
RN
2143 ///\r
2144 /// Either the left or right Logo keys must be pressed (1) or must not be pressed (0).\r
2145 ///\r
2f88bd3a 2146 UINT32 LogoPressed : 1;\r
d4468cdf
RN
2147 ///\r
2148 /// The Menu key must be pressed (1) or must not be pressed (0).\r
2149 ///\r
2f88bd3a 2150 UINT32 MenuPressed : 1;\r
d4468cdf
RN
2151 ///\r
2152 /// The SysReq key must be pressed (1) or must not be pressed (0).\r
2153 ///\r
2f88bd3a
MK
2154 UINT32 SysReqPressed : 1;\r
2155 UINT32 Reserved : 16;\r
d4468cdf
RN
2156 ///\r
2157 /// Specifies the actual number of entries in EFI_KEY_OPTION.Keys, from 0-3. If\r
2158 /// zero, then only the shift state is considered. If more than one, then the boot option will\r
2159 /// only be launched if all of the specified keys are pressed with the same shift state.\r
2160 ///\r
2f88bd3a 2161 UINT32 InputKeyCount : 2;\r
d4468cdf 2162 } Options;\r
2f88bd3a 2163 UINT32 PackedValue;\r
d4468cdf 2164} EFI_BOOT_KEY_DATA;\r
95cba3ee 2165\r
2a3f6a21 2166///\r
af2dc6a7 2167/// EFI Key Option.\r
2a3f6a21 2168///\r
53cdd439 2169#pragma pack(1)\r
95cba3ee 2170typedef struct {\r
1bf79370
LG
2171 ///\r
2172 /// Specifies options about how the key will be processed.\r
2173 ///\r
2f88bd3a 2174 EFI_BOOT_KEY_DATA KeyData;\r
1bf79370
LG
2175 ///\r
2176 /// The CRC-32 which should match the CRC-32 of the entire EFI_LOAD_OPTION to\r
2177 /// which BootOption refers. If the CRC-32s do not match this value, then this key\r
2178 /// option is ignored.\r
2179 ///\r
2f88bd3a 2180 UINT32 BootOptionCrc;\r
1bf79370
LG
2181 ///\r
2182 /// The Boot#### option which will be invoked if this key is pressed and the boot option\r
2183 /// is active (LOAD_OPTION_ACTIVE is set).\r
2184 ///\r
2f88bd3a 2185 UINT16 BootOption;\r
1bf79370
LG
2186 ///\r
2187 /// The key codes to compare against those returned by the\r
2188 /// EFI_SIMPLE_TEXT_INPUT and EFI_SIMPLE_TEXT_INPUT_EX protocols.\r
2189 /// The number of key codes (0-3) is specified by the EFI_KEY_CODE_COUNT field in KeyOptions.\r
2190 ///\r
2f88bd3a 2191 // EFI_INPUT_KEY Keys[];\r
95cba3ee 2192} EFI_KEY_OPTION;\r
53cdd439 2193#pragma pack()\r
95cba3ee 2194\r
959ccb23 2195//\r
2196// EFI File location to boot from on removable media devices\r
2197//\r
2f88bd3a
MK
2198#define EFI_REMOVABLE_MEDIA_FILE_NAME_IA32 L"\\EFI\\BOOT\\BOOTIA32.EFI"\r
2199#define EFI_REMOVABLE_MEDIA_FILE_NAME_IA64 L"\\EFI\\BOOT\\BOOTIA64.EFI"\r
2200#define EFI_REMOVABLE_MEDIA_FILE_NAME_X64 L"\\EFI\\BOOT\\BOOTX64.EFI"\r
2201#define EFI_REMOVABLE_MEDIA_FILE_NAME_ARM L"\\EFI\\BOOT\\BOOTARM.EFI"\r
2202#define EFI_REMOVABLE_MEDIA_FILE_NAME_AARCH64 L"\\EFI\\BOOT\\BOOTAA64.EFI"\r
2203#define EFI_REMOVABLE_MEDIA_FILE_NAME_RISCV64 L"\\EFI\\BOOT\\BOOTRISCV64.EFI"\r
2204\r
2205#if !defined (EFI_REMOVABLE_MEDIA_FILE_NAME)\r
2206 #if defined (MDE_CPU_IA32)\r
2207#define EFI_REMOVABLE_MEDIA_FILE_NAME EFI_REMOVABLE_MEDIA_FILE_NAME_IA32\r
2208 #elif defined (MDE_CPU_X64)\r
2209#define EFI_REMOVABLE_MEDIA_FILE_NAME EFI_REMOVABLE_MEDIA_FILE_NAME_X64\r
2210 #elif defined (MDE_CPU_EBC)\r
2211 #elif defined (MDE_CPU_ARM)\r
2212#define EFI_REMOVABLE_MEDIA_FILE_NAME EFI_REMOVABLE_MEDIA_FILE_NAME_ARM\r
2213 #elif defined (MDE_CPU_AARCH64)\r
2214#define EFI_REMOVABLE_MEDIA_FILE_NAME EFI_REMOVABLE_MEDIA_FILE_NAME_AARCH64\r
2215 #elif defined (MDE_CPU_RISCV64)\r
2216#define EFI_REMOVABLE_MEDIA_FILE_NAME EFI_REMOVABLE_MEDIA_FILE_NAME_RISCV64\r
2217 #else\r
2218 #error Unknown Processor Type\r
2219 #endif\r
db2338af 2220#endif\r
959ccb23 2221\r
1cf40fbc
CC
2222//\r
2223// The directory within the active EFI System Partition defined for delivery of capsule to firmware\r
2224//\r
2f88bd3a 2225#define EFI_CAPSULE_FILE_DIRECTORY L"\\EFI\\UpdateCapsule\\"\r
1cf40fbc 2226\r
959ccb23 2227#include <Uefi/UefiPxe.h>\r
2228#include <Uefi/UefiGpt.h>\r
2229#include <Uefi/UefiInternalFormRepresentation.h>\r
2230\r
2231#endif\r