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959ccb23 1/** @file\r
e0c047a0 2 Include file that supports UEFI.\r
959ccb23 3\r
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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
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81#define EFI_MEMORY_NV 0x0000000000008000ULL\r
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
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
96#define EFI_MEMORY_SP 0x0000000000040000ULL\r
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
105#define EFI_MEMORY_CPU_CRYPTO 0x0000000000080000ULL\r
106\r
6c98edac 107//\r
e0c047a0 108// Runtime memory attribute\r
109//\r
e919c766 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
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
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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
959ccb23 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
00edb218 133 UINT32 Type;\r
2a3f6a21 134 ///\r
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DB
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
00edb218 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
00edb218 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
00edb218 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
00edb218 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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FT
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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FT
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
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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
SZ
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
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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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SZ
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
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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
d3d92557
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
384\r
385\r
386//\r
387// ConvertPointer DebugDisposition type.\r
388//\r
389#define EFI_OPTIONAL_PTR 0x00000001\r
959ccb23 390\r
391/**\r
392 Determines the new virtual address that is to be used on subsequent memory accesses.\r
393\r
d3d92557
FT
394 @param[in] DebugDisposition Supplies type information for the pointer being converted.\r
395 @param[in, out] Address A pointer to a pointer that is to be fixed to be the value needed\r
396 for the new virtual address mappings being applied.\r
959ccb23 397\r
398 @retval EFI_SUCCESS The pointer pointed to by Address was modified.\r
399 @retval EFI_INVALID_PARAMETER 1) Address is NULL.\r
400 2) *Address is NULL and DebugDisposition does\r
401 not have the EFI_OPTIONAL_PTR bit set.\r
402 @retval EFI_NOT_FOUND The pointer pointed to by Address was not found to be part\r
403 of the current memory map. This is normally fatal.\r
404\r
405**/\r
406typedef\r
407EFI_STATUS\r
8b13229b 408(EFIAPI *EFI_CONVERT_POINTER)(\r
959ccb23 409 IN UINTN DebugDisposition,\r
410 IN OUT VOID **Address\r
411 );\r
412\r
413\r
414//\r
ac644614 415// These types can be ORed together as needed - for example,\r
93ce5aca 416// EVT_TIMER might be Ored with EVT_NOTIFY_WAIT or\r
959ccb23 417// EVT_NOTIFY_SIGNAL.\r
418//\r
00edb218
A
419#define EVT_TIMER 0x80000000\r
420#define EVT_RUNTIME 0x40000000\r
00edb218
A
421#define EVT_NOTIFY_WAIT 0x00000100\r
422#define EVT_NOTIFY_SIGNAL 0x00000200\r
93ce5aca 423\r
00edb218 424#define EVT_SIGNAL_EXIT_BOOT_SERVICES 0x00000201\r
93ce5aca 425#define EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE 0x60000202\r
959ccb23 426\r
427//\r
ac644614 428// The event's NotifyContext pointer points to a runtime memory\r
d0c64728 429// address.\r
959ccb23 430// The event is deprecated in UEFI2.0 and later specifications.\r
d0c64728 431//\r
959ccb23 432#define EVT_RUNTIME_CONTEXT 0x20000000\r
433\r
434\r
435/**\r
436 Invoke a notification event\r
437\r
d3d92557
FT
438 @param[in] Event Event whose notification function is being invoked.\r
439 @param[in] Context The pointer to the notification function's context,\r
440 which is implementation-dependent.\r
959ccb23 441\r
442**/\r
443typedef\r
444VOID\r
8b13229b 445(EFIAPI *EFI_EVENT_NOTIFY)(\r
959ccb23 446 IN EFI_EVENT Event,\r
447 IN VOID *Context\r
448 );\r
449\r
450/**\r
451 Creates an event.\r
452\r
d3d92557
FT
453 @param[in] Type The type of event to create and its mode and attributes.\r
454 @param[in] NotifyTpl The task priority level of event notifications, if needed.\r
455 @param[in] NotifyFunction The pointer to the event's notification function, if any.\r
456 @param[in] NotifyContext The pointer to the notification function's context; corresponds to parameter\r
959ccb23 457 Context in the notification function.\r
d3d92557 458 @param[out] Event The pointer to the newly created event if the call succeeds; undefined\r
959ccb23 459 otherwise.\r
460\r
461 @retval EFI_SUCCESS The event structure was created.\r
462 @retval EFI_INVALID_PARAMETER One or more parameters are invalid.\r
463 @retval EFI_OUT_OF_RESOURCES The event could not be allocated.\r
464\r
465**/\r
466typedef\r
467EFI_STATUS\r
8b13229b 468(EFIAPI *EFI_CREATE_EVENT)(\r
959ccb23 469 IN UINT32 Type,\r
470 IN EFI_TPL NotifyTpl,\r
471 IN EFI_EVENT_NOTIFY NotifyFunction,\r
472 IN VOID *NotifyContext,\r
473 OUT EFI_EVENT *Event\r
474 );\r
475\r
476/**\r
477 Creates an event in a group.\r
478\r
d3d92557
FT
479 @param[in] Type The type of event to create and its mode and attributes.\r
480 @param[in] NotifyTpl The task priority level of event notifications,if needed.\r
481 @param[in] NotifyFunction The pointer to the event's notification function, if any.\r
482 @param[in] NotifyContext The pointer to the notification function's context; corresponds to parameter\r
959ccb23 483 Context in the notification function.\r
d3d92557 484 @param[in] EventGroup The pointer to the unique identifier of the group to which this event belongs.\r
e0c047a0 485 If this is NULL, then the function behaves as if the parameters were passed\r
486 to CreateEvent.\r
d3d92557 487 @param[out] Event The pointer to the newly created event if the call succeeds; undefined\r
959ccb23 488 otherwise.\r
489\r
490 @retval EFI_SUCCESS The event structure was created.\r
491 @retval EFI_INVALID_PARAMETER One or more parameters are invalid.\r
492 @retval EFI_OUT_OF_RESOURCES The event could not be allocated.\r
493\r
494**/\r
495typedef\r
496EFI_STATUS\r
8b13229b 497(EFIAPI *EFI_CREATE_EVENT_EX)(\r
959ccb23 498 IN UINT32 Type,\r
e0c047a0 499 IN EFI_TPL NotifyTpl,\r
959ccb23 500 IN EFI_EVENT_NOTIFY NotifyFunction OPTIONAL,\r
501 IN CONST VOID *NotifyContext OPTIONAL,\r
502 IN CONST EFI_GUID *EventGroup OPTIONAL,\r
503 OUT EFI_EVENT *Event\r
504 );\r
505\r
e0c047a0 506///\r
507/// Timer delay types\r
508///\r
959ccb23 509typedef enum {\r
2a3f6a21 510 ///\r
af2dc6a7 511 /// An event's timer settings is to be cancelled and not trigger time is to be set/\r
2a3f6a21 512 ///\r
959ccb23 513 TimerCancel,\r
2a3f6a21 514 ///\r
93e8d03c 515 /// An event is to be signaled periodically at a specified interval from the current time.\r
2a3f6a21 516 ///\r
959ccb23 517 TimerPeriodic,\r
2a3f6a21 518 ///\r
93e8d03c 519 /// An event is to be signaled once at a specified interval from the current time.\r
2a3f6a21 520 ///\r
959ccb23 521 TimerRelative\r
522} EFI_TIMER_DELAY;\r
523\r
524/**\r
525 Sets the type of timer and the trigger time for a timer event.\r
526\r
d3d92557
FT
527 @param[in] Event The timer event that is to be signaled at the specified time.\r
528 @param[in] Type The type of time that is specified in TriggerTime.\r
529 @param[in] TriggerTime The number of 100ns units until the timer expires.\r
e0c047a0 530 A TriggerTime of 0 is legal.\r
531 If Type is TimerRelative and TriggerTime is 0, then the timer\r
532 event will be signaled on the next timer tick.\r
533 If Type is TimerPeriodic and TriggerTime is 0, then the timer\r
534 event will be signaled on every timer tick.\r
959ccb23 535\r
536 @retval EFI_SUCCESS The event has been set to be signaled at the requested time.\r
537 @retval EFI_INVALID_PARAMETER Event or Type is not valid.\r
538\r
539**/\r
540typedef\r
541EFI_STATUS\r
8b13229b 542(EFIAPI *EFI_SET_TIMER)(\r
959ccb23 543 IN EFI_EVENT Event,\r
544 IN EFI_TIMER_DELAY Type,\r
545 IN UINT64 TriggerTime\r
546 );\r
547\r
548/**\r
549 Signals an event.\r
550\r
d3d92557 551 @param[in] Event The event to signal.\r
959ccb23 552\r
553 @retval EFI_SUCCESS The event has been signaled.\r
554\r
555**/\r
556typedef\r
557EFI_STATUS\r
8b13229b 558(EFIAPI *EFI_SIGNAL_EVENT)(\r
959ccb23 559 IN EFI_EVENT Event\r
560 );\r
561\r
562/**\r
563 Stops execution until an event is signaled.\r
564\r
d3d92557
FT
565 @param[in] NumberOfEvents The number of events in the Event array.\r
566 @param[in] Event An array of EFI_EVENT.\r
567 @param[out] Index The pointer to the index of the event which satisfied the wait condition.\r
959ccb23 568\r
569 @retval EFI_SUCCESS The event indicated by Index was signaled.\r
570 @retval EFI_INVALID_PARAMETER 1) NumberOfEvents is 0.\r
571 2) The event indicated by Index is of type\r
572 EVT_NOTIFY_SIGNAL.\r
573 @retval EFI_UNSUPPORTED The current TPL is not TPL_APPLICATION.\r
574\r
575**/\r
576typedef\r
577EFI_STATUS\r
8b13229b 578(EFIAPI *EFI_WAIT_FOR_EVENT)(\r
959ccb23 579 IN UINTN NumberOfEvents,\r
580 IN EFI_EVENT *Event,\r
581 OUT UINTN *Index\r
582 );\r
583\r
584/**\r
585 Closes an event.\r
586\r
d3d92557 587 @param[in] Event The event to close.\r
959ccb23 588\r
589 @retval EFI_SUCCESS The event has been closed.\r
590\r
591**/\r
592typedef\r
593EFI_STATUS\r
8b13229b 594(EFIAPI *EFI_CLOSE_EVENT)(\r
959ccb23 595 IN EFI_EVENT Event\r
596 );\r
597\r
598/**\r
599 Checks whether an event is in the signaled state.\r
600\r
d3d92557 601 @param[in] Event The event to check.\r
959ccb23 602\r
603 @retval EFI_SUCCESS The event is in the signaled state.\r
604 @retval EFI_NOT_READY The event is not in the signaled state.\r
605 @retval EFI_INVALID_PARAMETER Event is of type EVT_NOTIFY_SIGNAL.\r
606\r
607**/\r
608typedef\r
609EFI_STATUS\r
8b13229b 610(EFIAPI *EFI_CHECK_EVENT)(\r
959ccb23 611 IN EFI_EVENT Event\r
612 );\r
613\r
614\r
615//\r
e0c047a0 616// Task priority level\r
959ccb23 617//\r
618#define TPL_APPLICATION 4\r
619#define TPL_CALLBACK 8\r
620#define TPL_NOTIFY 16\r
621#define TPL_HIGH_LEVEL 31\r
622\r
623\r
624/**\r
625 Raises a task's priority level and returns its previous level.\r
626\r
d3d92557 627 @param[in] NewTpl The new task priority level.\r
959ccb23 628\r
e0c047a0 629 @return Previous task priority level\r
959ccb23 630\r
631**/\r
632typedef\r
633EFI_TPL\r
8b13229b 634(EFIAPI *EFI_RAISE_TPL)(\r
959ccb23 635 IN EFI_TPL NewTpl\r
636 );\r
637\r
638/**\r
639 Restores a task's priority level to its previous value.\r
640\r
d3d92557 641 @param[in] OldTpl The previous task priority level to restore.\r
959ccb23 642\r
643**/\r
644typedef\r
645VOID\r
8b13229b 646(EFIAPI *EFI_RESTORE_TPL)(\r
959ccb23 647 IN EFI_TPL OldTpl\r
648 );\r
649\r
650/**\r
651 Returns the value of a variable.\r
652\r
d3d92557
FT
653 @param[in] VariableName A Null-terminated string that is the name of the vendor's\r
654 variable.\r
655 @param[in] VendorGuid A unique identifier for the vendor.\r
656 @param[out] Attributes If not NULL, a pointer to the memory location to return the\r
657 attributes bitmask for the variable.\r
658 @param[in, out] DataSize On input, the size in bytes of the return Data buffer.\r
659 On output the size of data returned in Data.\r
61ce1aea
SZ
660 @param[out] Data The buffer to return the contents of the variable. May be NULL\r
661 with a zero DataSize in order to determine the size buffer needed.\r
959ccb23 662\r
e0c047a0 663 @retval EFI_SUCCESS The function completed successfully.\r
664 @retval EFI_NOT_FOUND The variable was not found.\r
665 @retval EFI_BUFFER_TOO_SMALL The DataSize is too small for the result.\r
666 @retval EFI_INVALID_PARAMETER VariableName is NULL.\r
667 @retval EFI_INVALID_PARAMETER VendorGuid is NULL.\r
668 @retval EFI_INVALID_PARAMETER DataSize is NULL.\r
669 @retval EFI_INVALID_PARAMETER The DataSize is not too small and Data is NULL.\r
670 @retval EFI_DEVICE_ERROR The variable could not be retrieved due to a hardware error.\r
671 @retval EFI_SECURITY_VIOLATION The variable could not be retrieved due to an authentication failure.\r
959ccb23 672\r
673**/\r
674typedef\r
675EFI_STATUS\r
8b13229b 676(EFIAPI *EFI_GET_VARIABLE)(\r
959ccb23 677 IN CHAR16 *VariableName,\r
678 IN EFI_GUID *VendorGuid,\r
d0e2f823 679 OUT UINT32 *Attributes OPTIONAL,\r
959ccb23 680 IN OUT UINTN *DataSize,\r
61ce1aea 681 OUT VOID *Data OPTIONAL\r
959ccb23 682 );\r
683\r
684/**\r
685 Enumerates the current variable names.\r
686\r
6ca2bfa5
SZ
687 @param[in, out] VariableNameSize The size of the VariableName buffer. The size must be large\r
688 enough to fit input string supplied in VariableName buffer.\r
d3d92557
FT
689 @param[in, out] VariableName On input, supplies the last VariableName that was returned\r
690 by GetNextVariableName(). On output, returns the Nullterminated\r
691 string of the current variable.\r
692 @param[in, out] VendorGuid On input, supplies the last VendorGuid that was returned by\r
693 GetNextVariableName(). On output, returns the\r
694 VendorGuid of the current variable.\r
959ccb23 695\r
696 @retval EFI_SUCCESS The function completed successfully.\r
697 @retval EFI_NOT_FOUND The next variable was not found.\r
698 @retval EFI_BUFFER_TOO_SMALL The VariableNameSize is too small for the result.\r
6ca2bfa5 699 VariableNameSize has been updated with the size needed to complete the request.\r
e0c047a0 700 @retval EFI_INVALID_PARAMETER VariableNameSize is NULL.\r
701 @retval EFI_INVALID_PARAMETER VariableName is NULL.\r
702 @retval EFI_INVALID_PARAMETER VendorGuid is NULL.\r
6ca2bfa5
SZ
703 @retval EFI_INVALID_PARAMETER The input values of VariableName and VendorGuid are not a name and\r
704 GUID of an existing variable.\r
705 @retval EFI_INVALID_PARAMETER Null-terminator is not found in the first VariableNameSize bytes of\r
706 the input VariableName buffer.\r
959ccb23 707 @retval EFI_DEVICE_ERROR The variable could not be retrieved due to a hardware error.\r
708\r
709**/\r
710typedef\r
711EFI_STATUS\r
8b13229b 712(EFIAPI *EFI_GET_NEXT_VARIABLE_NAME)(\r
959ccb23 713 IN OUT UINTN *VariableNameSize,\r
714 IN OUT CHAR16 *VariableName,\r
715 IN OUT EFI_GUID *VendorGuid\r
716 );\r
717\r
718/**\r
719 Sets the value of a variable.\r
720\r
d3d92557 721 @param[in] VariableName A Null-terminated string that is the name of the vendor's variable.\r
db27cda5 722 Each VariableName is unique for each VendorGuid. VariableName must\r
723 contain 1 or more characters. If VariableName is an empty string,\r
724 then EFI_INVALID_PARAMETER is returned.\r
d3d92557
FT
725 @param[in] VendorGuid A unique identifier for the vendor.\r
726 @param[in] Attributes Attributes bitmask to set for the variable.\r
403170bb 727 @param[in] DataSize The size in bytes of the Data buffer. Unless the EFI_VARIABLE_APPEND_WRITE or\r
9095d37b
LG
728 EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS attribute is set, a size of zero\r
729 causes the variable to be deleted. When the EFI_VARIABLE_APPEND_WRITE attribute is\r
730 set, then a SetVariable() call with a DataSize of zero will not cause any change to\r
731 the variable value (the timestamp associated with the variable may be updated however\r
732 even if no new data value is provided,see the description of the\r
733 EFI_VARIABLE_AUTHENTICATION_2 descriptor below. In this case the DataSize will not\r
734 be zero since the EFI_VARIABLE_AUTHENTICATION_2 descriptor will be populated).\r
d3d92557 735 @param[in] Data The contents for the variable.\r
959ccb23 736\r
e0c047a0 737 @retval EFI_SUCCESS The firmware has successfully stored the variable and its data as\r
738 defined by the Attributes.\r
6675a21f 739 @retval EFI_INVALID_PARAMETER An invalid combination of attribute bits, name, and GUID was supplied, or the\r
e0c047a0 740 DataSize exceeds the maximum allowed.\r
db27cda5 741 @retval EFI_INVALID_PARAMETER VariableName is an empty string.\r
e0c047a0 742 @retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold the variable and its data.\r
743 @retval EFI_DEVICE_ERROR The variable could not be retrieved due to a hardware error.\r
744 @retval EFI_WRITE_PROTECTED The variable in question is read-only.\r
745 @retval EFI_WRITE_PROTECTED The variable in question cannot be deleted.\r
403170bb
ZC
746 @retval EFI_SECURITY_VIOLATION The variable could not be written due to EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACESS being set,\r
747 but the AuthInfo does NOT pass the validation check carried out by the firmware.\r
9095d37b 748\r
e0c047a0 749 @retval EFI_NOT_FOUND The variable trying to be updated or deleted was not found.\r
959ccb23 750\r
751**/\r
752typedef\r
753EFI_STATUS\r
8b13229b 754(EFIAPI *EFI_SET_VARIABLE)(\r
959ccb23 755 IN CHAR16 *VariableName,\r
756 IN EFI_GUID *VendorGuid,\r
757 IN UINT32 Attributes,\r
758 IN UINTN DataSize,\r
759 IN VOID *Data\r
760 );\r
761\r
762\r
e0c047a0 763///\r
764/// This provides the capabilities of the\r
765/// real time clock device as exposed through the EFI interfaces.\r
766///\r
959ccb23 767typedef struct {\r
1bf79370
LG
768 ///\r
769 /// Provides the reporting resolution of the real-time clock device in\r
770 /// counts per second. For a normal PC-AT CMOS RTC device, this\r
771 /// value would be 1 Hz, or 1, to indicate that the device only reports\r
772 /// the time to the resolution of 1 second.\r
773 ///\r
00edb218 774 UINT32 Resolution;\r
1bf79370
LG
775 ///\r
776 /// Provides the timekeeping accuracy of the real-time clock in an\r
777 /// error rate of 1E-6 parts per million. For a clock with an accuracy\r
778 /// of 50 parts per million, the value in this field would be\r
779 /// 50,000,000.\r
780 ///\r
00edb218 781 UINT32 Accuracy;\r
1bf79370 782 ///\r
de2314f8 783 /// A TRUE indicates that a time set operation clears the device's\r
1bf79370
LG
784 /// time below the Resolution reporting level. A FALSE\r
785 /// indicates that the state below the Resolution level of the\r
786 /// device is not cleared when the time is set. Normal PC-AT CMOS\r
787 /// RTC devices set this value to FALSE.\r
788 ///\r
00edb218 789 BOOLEAN SetsToZero;\r
959ccb23 790} EFI_TIME_CAPABILITIES;\r
791\r
792/**\r
793 Returns the current time and date information, and the time-keeping capabilities\r
794 of the hardware platform.\r
795\r
d3d92557
FT
796 @param[out] Time A pointer to storage to receive a snapshot of the current time.\r
797 @param[out] Capabilities An optional pointer to a buffer to receive the real time clock\r
959ccb23 798 device's capabilities.\r
799\r
800 @retval EFI_SUCCESS The operation completed successfully.\r
801 @retval EFI_INVALID_PARAMETER Time is NULL.\r
802 @retval EFI_DEVICE_ERROR The time could not be retrieved due to hardware error.\r
803\r
804**/\r
805typedef\r
806EFI_STATUS\r
8b13229b 807(EFIAPI *EFI_GET_TIME)(\r
959ccb23 808 OUT EFI_TIME *Time,\r
809 OUT EFI_TIME_CAPABILITIES *Capabilities OPTIONAL\r
810 );\r
811\r
812/**\r
813 Sets the current local time and date information.\r
814\r
d3d92557 815 @param[in] Time A pointer to the current time.\r
959ccb23 816\r
817 @retval EFI_SUCCESS The operation completed successfully.\r
818 @retval EFI_INVALID_PARAMETER A time field is out of range.\r
819 @retval EFI_DEVICE_ERROR The time could not be set due due to hardware error.\r
820\r
821**/\r
822typedef\r
823EFI_STATUS\r
8b13229b 824(EFIAPI *EFI_SET_TIME)(\r
959ccb23 825 IN EFI_TIME *Time\r
826 );\r
827\r
828/**\r
829 Returns the current wakeup alarm clock setting.\r
830\r
d3d92557
FT
831 @param[out] Enabled Indicates if the alarm is currently enabled or disabled.\r
832 @param[out] Pending Indicates if the alarm signal is pending and requires acknowledgement.\r
833 @param[out] Time The current alarm setting.\r
959ccb23 834\r
835 @retval EFI_SUCCESS The alarm settings were returned.\r
e0c047a0 836 @retval EFI_INVALID_PARAMETER Enabled is NULL.\r
837 @retval EFI_INVALID_PARAMETER Pending is NULL.\r
838 @retval EFI_INVALID_PARAMETER Time is NULL.\r
959ccb23 839 @retval EFI_DEVICE_ERROR The wakeup time could not be retrieved due to a hardware error.\r
e0c047a0 840 @retval EFI_UNSUPPORTED A wakeup timer is not supported on this platform.\r
959ccb23 841\r
842**/\r
843typedef\r
844EFI_STATUS\r
8b13229b 845(EFIAPI *EFI_GET_WAKEUP_TIME)(\r
959ccb23 846 OUT BOOLEAN *Enabled,\r
847 OUT BOOLEAN *Pending,\r
848 OUT EFI_TIME *Time\r
849 );\r
850\r
851/**\r
852 Sets the system wakeup alarm clock time.\r
853\r
d3d92557
FT
854 @param[in] Enable Enable or disable the wakeup alarm.\r
855 @param[in] Time If Enable is TRUE, the time to set the wakeup alarm for.\r
e0c047a0 856 If Enable is FALSE, then this parameter is optional, and may be NULL.\r
959ccb23 857\r
858 @retval EFI_SUCCESS If Enable is TRUE, then the wakeup alarm was enabled. If\r
859 Enable is FALSE, then the wakeup alarm was disabled.\r
860 @retval EFI_INVALID_PARAMETER A time field is out of range.\r
861 @retval EFI_DEVICE_ERROR The wakeup time could not be set due to a hardware error.\r
862 @retval EFI_UNSUPPORTED A wakeup timer is not supported on this platform.\r
863\r
864**/\r
865typedef\r
866EFI_STATUS\r
8b13229b 867(EFIAPI *EFI_SET_WAKEUP_TIME)(\r
959ccb23 868 IN BOOLEAN Enable,\r
869 IN EFI_TIME *Time OPTIONAL\r
870 );\r
871\r
959ccb23 872/**\r
873 Loads an EFI image into memory.\r
874\r
d3d92557
FT
875 @param[in] BootPolicy If TRUE, indicates that the request originates from the boot\r
876 manager, and that the boot manager is attempting to load\r
877 FilePath as a boot selection. Ignored if SourceBuffer is\r
878 not NULL.\r
879 @param[in] ParentImageHandle The caller's image handle.\r
880 @param[in] DevicePath The DeviceHandle specific file path from which the image is\r
881 loaded.\r
882 @param[in] SourceBuffer If not NULL, a pointer to the memory location containing a copy\r
883 of the image to be loaded.\r
884 @param[in] SourceSize The size in bytes of SourceBuffer. Ignored if SourceBuffer is NULL.\r
885 @param[out] ImageHandle The pointer to the returned image handle that is created when the\r
886 image is successfully loaded.\r
887\r
888 @retval EFI_SUCCESS Image was loaded into memory correctly.\r
889 @retval EFI_NOT_FOUND Both SourceBuffer and DevicePath are NULL.\r
890 @retval EFI_INVALID_PARAMETER One or more parametes are invalid.\r
891 @retval EFI_UNSUPPORTED The image type is not supported.\r
892 @retval EFI_OUT_OF_RESOURCES Image was not loaded due to insufficient resources.\r
893 @retval EFI_LOAD_ERROR Image was not loaded because the image format was corrupt or not\r
894 understood.\r
895 @retval EFI_DEVICE_ERROR Image was not loaded because the device returned a read error.\r
9095d37b 896 @retval EFI_ACCESS_DENIED Image was not loaded because the platform policy prohibits the\r
d3d92557 897 image from being loaded. NULL is returned in *ImageHandle.\r
9095d37b
LG
898 @retval EFI_SECURITY_VIOLATION Image was loaded and an ImageHandle was created with a\r
899 valid EFI_LOADED_IMAGE_PROTOCOL. However, the current\r
d3d92557 900 platform policy specifies that the image should not be started.\r
959ccb23 901**/\r
902typedef\r
903EFI_STATUS\r
8b13229b 904(EFIAPI *EFI_IMAGE_LOAD)(\r
959ccb23 905 IN BOOLEAN BootPolicy,\r
906 IN EFI_HANDLE ParentImageHandle,\r
e0c047a0 907 IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,\r
959ccb23 908 IN VOID *SourceBuffer OPTIONAL,\r
909 IN UINTN SourceSize,\r
910 OUT EFI_HANDLE *ImageHandle\r
911 );\r
912\r
913/**\r
914 Transfers control to a loaded image's entry point.\r
915\r
d3d92557
FT
916 @param[in] ImageHandle Handle of image to be started.\r
917 @param[out] ExitDataSize The pointer to the size, in bytes, of ExitData.\r
918 @param[out] ExitData The pointer to a pointer to a data buffer that includes a Null-terminated\r
919 string, optionally followed by additional binary data.\r
959ccb23 920\r
b92b1209
LG
921 @retval EFI_INVALID_PARAMETER ImageHandle is either an invalid image handle or the image\r
922 has already been initialized with StartImage.\r
923 @retval EFI_SECURITY_VIOLATION The current platform policy specifies that the image should not be started.\r
e0c047a0 924 @return Exit code from image\r
959ccb23 925\r
926**/\r
927typedef\r
928EFI_STATUS\r
8b13229b 929(EFIAPI *EFI_IMAGE_START)(\r
959ccb23 930 IN EFI_HANDLE ImageHandle,\r
931 OUT UINTN *ExitDataSize,\r
932 OUT CHAR16 **ExitData OPTIONAL\r
933 );\r
934\r
935/**\r
936 Terminates a loaded EFI image and returns control to boot services.\r
937\r
9095d37b 938 @param[in] ImageHandle Handle that identifies the image. This parameter is passed to the\r
fbf926ad 939 image on entry.\r
d3d92557
FT
940 @param[in] ExitStatus The image's exit code.\r
941 @param[in] ExitDataSize The size, in bytes, of ExitData. Ignored if ExitStatus is EFI_SUCCESS.\r
942 @param[in] ExitData The pointer to a data buffer that includes a Null-terminated string,\r
9095d37b
LG
943 optionally followed by additional binary data. The string is a\r
944 description that the caller may use to further indicate the reason\r
945 for the image's exit. ExitData is only valid if ExitStatus\r
946 is something other than EFI_SUCCESS. The ExitData buffer\r
fbf926ad 947 must be allocated by calling AllocatePool().\r
959ccb23 948\r
949 @retval EFI_SUCCESS The image specified by ImageHandle was unloaded.\r
950 @retval EFI_INVALID_PARAMETER The image specified by ImageHandle has been loaded and\r
951 started with LoadImage() and StartImage(), but the\r
952 image is not the currently executing image.\r
953\r
954**/\r
955typedef\r
956EFI_STATUS\r
8b13229b 957(EFIAPI *EFI_EXIT)(\r
959ccb23 958 IN EFI_HANDLE ImageHandle,\r
959 IN EFI_STATUS ExitStatus,\r
960 IN UINTN ExitDataSize,\r
961 IN CHAR16 *ExitData OPTIONAL\r
962 );\r
963\r
964/**\r
965 Unloads an image.\r
966\r
d3d92557 967 @param[in] ImageHandle Handle that identifies the image to be unloaded.\r
959ccb23 968\r
969 @retval EFI_SUCCESS The image has been unloaded.\r
970 @retval EFI_INVALID_PARAMETER ImageHandle is not a valid image handle.\r
959ccb23 971\r
972**/\r
973typedef\r
974EFI_STATUS\r
8b13229b 975(EFIAPI *EFI_IMAGE_UNLOAD)(\r
959ccb23 976 IN EFI_HANDLE ImageHandle\r
977 );\r
978\r
979/**\r
980 Terminates all boot services.\r
981\r
d3d92557
FT
982 @param[in] ImageHandle Handle that identifies the exiting image.\r
983 @param[in] MapKey Key to the latest memory map.\r
959ccb23 984\r
985 @retval EFI_SUCCESS Boot services have been terminated.\r
986 @retval EFI_INVALID_PARAMETER MapKey is incorrect.\r
987\r
988**/\r
989typedef\r
990EFI_STATUS\r
8b13229b 991(EFIAPI *EFI_EXIT_BOOT_SERVICES)(\r
959ccb23 992 IN EFI_HANDLE ImageHandle,\r
993 IN UINTN MapKey\r
994 );\r
995\r
996/**\r
997 Induces a fine-grained stall.\r
998\r
d3d92557 999 @param[in] Microseconds The number of microseconds to stall execution.\r
959ccb23 1000\r
1001 @retval EFI_SUCCESS Execution was stalled at least the requested number of\r
1002 Microseconds.\r
1003\r
1004**/\r
1005typedef\r
1006EFI_STATUS\r
8b13229b 1007(EFIAPI *EFI_STALL)(\r
959ccb23 1008 IN UINTN Microseconds\r
1009 );\r
1010\r
1011/**\r
1012 Sets the system's watchdog timer.\r
1013\r
d3d92557
FT
1014 @param[in] Timeout The number of seconds to set the watchdog timer to.\r
1015 @param[in] WatchdogCode The numeric code to log on a watchdog timer timeout event.\r
1016 @param[in] DataSize The size, in bytes, of WatchdogData.\r
1017 @param[in] WatchdogData A data buffer that includes a Null-terminated string, optionally\r
959ccb23 1018 followed by additional binary data.\r
1019\r
1020 @retval EFI_SUCCESS The timeout has been set.\r
1021 @retval EFI_INVALID_PARAMETER The supplied WatchdogCode is invalid.\r
1022 @retval EFI_UNSUPPORTED The system does not have a watchdog timer.\r
af2dc6a7 1023 @retval EFI_DEVICE_ERROR The watchdog timer could not be programmed due to a hardware\r
959ccb23 1024 error.\r
1025\r
1026**/\r
1027typedef\r
1028EFI_STATUS\r
8b13229b 1029(EFIAPI *EFI_SET_WATCHDOG_TIMER)(\r
959ccb23 1030 IN UINTN Timeout,\r
1031 IN UINT64 WatchdogCode,\r
1032 IN UINTN DataSize,\r
1033 IN CHAR16 *WatchdogData OPTIONAL\r
1034 );\r
1035\r
959ccb23 1036/**\r
1037 Resets the entire platform.\r
1038\r
d3d92557
FT
1039 @param[in] ResetType The type of reset to perform.\r
1040 @param[in] ResetStatus The status code for the reset.\r
e963b746 1041 @param[in] DataSize The size, in bytes, of ResetData.\r
d3d92557 1042 @param[in] ResetData For a ResetType of EfiResetCold, EfiResetWarm, or\r
959ccb23 1043 EfiResetShutdown the data buffer starts with a Null-terminated\r
fbf926ad 1044 string, optionally followed by additional binary data.\r
e963b746 1045 The string is a description that the caller may use to further\r
228a9c29 1046 indicate the reason for the system reset.\r
28426918
DB
1047 For a ResetType of EfiResetPlatformSpecific the data buffer\r
1048 also starts with a Null-terminated string that is followed\r
1049 by an EFI_GUID that describes the specific type of reset to perform.\r
959ccb23 1050**/\r
1051typedef\r
1052VOID\r
8b13229b 1053(EFIAPI *EFI_RESET_SYSTEM)(\r
959ccb23 1054 IN EFI_RESET_TYPE ResetType,\r
1055 IN EFI_STATUS ResetStatus,\r
1056 IN UINTN DataSize,\r
b058028b 1057 IN VOID *ResetData OPTIONAL\r
959ccb23 1058 );\r
1059\r
1060/**\r
1061 Returns a monotonically increasing count for the platform.\r
1062\r
d3d92557 1063 @param[out] Count The pointer to returned value.\r
959ccb23 1064\r
1065 @retval EFI_SUCCESS The next monotonic count was returned.\r
1066 @retval EFI_INVALID_PARAMETER Count is NULL.\r
1067 @retval EFI_DEVICE_ERROR The device is not functioning properly.\r
1068\r
1069**/\r
1070typedef\r
1071EFI_STATUS\r
8b13229b 1072(EFIAPI *EFI_GET_NEXT_MONOTONIC_COUNT)(\r
959ccb23 1073 OUT UINT64 *Count\r
1074 );\r
1075\r
1076/**\r
1077 Returns the next high 32 bits of the platform's monotonic counter.\r
1078\r
d3d92557 1079 @param[out] HighCount The pointer to returned value.\r
959ccb23 1080\r
1081 @retval EFI_SUCCESS The next high monotonic count was returned.\r
1082 @retval EFI_INVALID_PARAMETER HighCount is NULL.\r
1083 @retval EFI_DEVICE_ERROR The device is not functioning properly.\r
1084\r
1085**/\r
1086typedef\r
1087EFI_STATUS\r
8b13229b 1088(EFIAPI *EFI_GET_NEXT_HIGH_MONO_COUNT)(\r
959ccb23 1089 OUT UINT32 *HighCount\r
1090 );\r
1091\r
1092/**\r
1093 Computes and returns a 32-bit CRC for a data buffer.\r
1094\r
d3d92557
FT
1095 @param[in] Data A pointer to the buffer on which the 32-bit CRC is to be computed.\r
1096 @param[in] DataSize The number of bytes in the buffer Data.\r
1097 @param[out] Crc32 The 32-bit CRC that was computed for the data buffer specified by Data\r
959ccb23 1098 and DataSize.\r
1099\r
1100 @retval EFI_SUCCESS The 32-bit CRC was computed for the data buffer and returned in\r
1101 Crc32.\r
e0c047a0 1102 @retval EFI_INVALID_PARAMETER Data is NULL.\r
1103 @retval EFI_INVALID_PARAMETER Crc32 is NULL.\r
1104 @retval EFI_INVALID_PARAMETER DataSize is 0.\r
959ccb23 1105\r
1106**/\r
1107typedef\r
1108EFI_STATUS\r
8b13229b 1109(EFIAPI *EFI_CALCULATE_CRC32)(\r
959ccb23 1110 IN VOID *Data,\r
1111 IN UINTN DataSize,\r
1112 OUT UINT32 *Crc32\r
1113 );\r
1114\r
1115/**\r
1116 Copies the contents of one buffer to another buffer.\r
1117\r
d3d92557
FT
1118 @param[in] Destination The pointer to the destination buffer of the memory copy.\r
1119 @param[in] Source The pointer to the source buffer of the memory copy.\r
1120 @param[in] Length Number of bytes to copy from Source to Destination.\r
959ccb23 1121\r
1122**/\r
1123typedef\r
1124VOID\r
8b13229b 1125(EFIAPI *EFI_COPY_MEM)(\r
959ccb23 1126 IN VOID *Destination,\r
1127 IN VOID *Source,\r
1128 IN UINTN Length\r
1129 );\r
1130\r
1131/**\r
1132 The SetMem() function fills a buffer with a specified value.\r
1133\r
d3d92557
FT
1134 @param[in] Buffer The pointer to the buffer to fill.\r
1135 @param[in] Size Number of bytes in Buffer to fill.\r
1136 @param[in] Value Value to fill Buffer with.\r
959ccb23 1137\r
1138**/\r
1139typedef\r
1140VOID\r
8b13229b 1141(EFIAPI *EFI_SET_MEM)(\r
959ccb23 1142 IN VOID *Buffer,\r
1143 IN UINTN Size,\r
1144 IN UINT8 Value\r
1145 );\r
1146\r
2a3f6a21 1147///\r
1148/// Enumeration of EFI Interface Types\r
1149///\r
959ccb23 1150typedef enum {\r
2a3f6a21 1151 ///\r
1152 /// Indicates that the supplied protocol interface is supplied in native form.\r
1153 ///\r
959ccb23 1154 EFI_NATIVE_INTERFACE\r
1155} EFI_INTERFACE_TYPE;\r
1156\r
1157/**\r
1158 Installs a protocol interface on a device handle. If the handle does not exist, it is created and added\r
1159 to the list of handles in the system. InstallMultipleProtocolInterfaces() performs\r
1160 more error checking than InstallProtocolInterface(), so it is recommended that\r
1161 InstallMultipleProtocolInterfaces() be used in place of\r
1162 InstallProtocolInterface()\r
1163\r
d3d92557
FT
1164 @param[in, out] Handle A pointer to the EFI_HANDLE on which the interface is to be installed.\r
1165 @param[in] Protocol The numeric ID of the protocol interface.\r
1166 @param[in] InterfaceType Indicates whether Interface is supplied in native form.\r
1167 @param[in] Interface A pointer to the protocol interface.\r
959ccb23 1168\r
1169 @retval EFI_SUCCESS The protocol interface was installed.\r
1170 @retval EFI_OUT_OF_RESOURCES Space for a new handle could not be allocated.\r
e0c047a0 1171 @retval EFI_INVALID_PARAMETER Handle is NULL.\r
1172 @retval EFI_INVALID_PARAMETER Protocol is NULL.\r
1173 @retval EFI_INVALID_PARAMETER InterfaceType is not EFI_NATIVE_INTERFACE.\r
1174 @retval EFI_INVALID_PARAMETER Protocol is already installed on the handle specified by Handle.\r
959ccb23 1175\r
1176**/\r
1177typedef\r
1178EFI_STATUS\r
8b13229b 1179(EFIAPI *EFI_INSTALL_PROTOCOL_INTERFACE)(\r
959ccb23 1180 IN OUT EFI_HANDLE *Handle,\r
1181 IN EFI_GUID *Protocol,\r
1182 IN EFI_INTERFACE_TYPE InterfaceType,\r
1183 IN VOID *Interface\r
1184 );\r
1185\r
1186/**\r
1187 Installs one or more protocol interfaces into the boot services environment.\r
1188\r
d3d92557 1189 @param[in, out] Handle The pointer to a handle to install the new protocol interfaces on,\r
4a23eaa9 1190 or a pointer to NULL if a new handle is to be allocated.\r
959ccb23 1191 @param ... A variable argument list containing pairs of protocol GUIDs and protocol\r
1192 interfaces.\r
1193\r
1194 @retval EFI_SUCCESS All the protocol interface was installed.\r
1195 @retval EFI_OUT_OF_RESOURCES There was not enough memory in pool to install all the protocols.\r
1196 @retval EFI_ALREADY_STARTED A Device Path Protocol instance was passed in that is already present in\r
1197 the handle database.\r
5a7b9bbe
SQ
1198 @retval EFI_INVALID_PARAMETER Handle is NULL.\r
1199 @retval EFI_INVALID_PARAMETER Protocol is already installed on the handle specified by Handle.\r
959ccb23 1200\r
1201**/\r
1202typedef\r
1203EFI_STATUS\r
8b13229b 1204(EFIAPI *EFI_INSTALL_MULTIPLE_PROTOCOL_INTERFACES)(\r
959ccb23 1205 IN OUT EFI_HANDLE *Handle,\r
1206 ...\r
1207 );\r
1208\r
1209/**\r
1210 Reinstalls a protocol interface on a device handle.\r
1211\r
d3d92557
FT
1212 @param[in] Handle Handle on which the interface is to be reinstalled.\r
1213 @param[in] Protocol The numeric ID of the interface.\r
1214 @param[in] OldInterface A pointer to the old interface. NULL can be used if a structure is not\r
959ccb23 1215 associated with Protocol.\r
d3d92557 1216 @param[in] NewInterface A pointer to the new interface.\r
959ccb23 1217\r
1218 @retval EFI_SUCCESS The protocol interface was reinstalled.\r
1219 @retval EFI_NOT_FOUND The OldInterface on the handle was not found.\r
1220 @retval EFI_ACCESS_DENIED The protocol interface could not be reinstalled,\r
1221 because OldInterface is still being used by a\r
1222 driver that will not release it.\r
18bd7e85 1223 @retval EFI_INVALID_PARAMETER Handle is NULL.\r
e0c047a0 1224 @retval EFI_INVALID_PARAMETER Protocol is NULL.\r
959ccb23 1225\r
1226**/\r
1227typedef\r
1228EFI_STATUS\r
8b13229b 1229(EFIAPI *EFI_REINSTALL_PROTOCOL_INTERFACE)(\r
959ccb23 1230 IN EFI_HANDLE Handle,\r
1231 IN EFI_GUID *Protocol,\r
1232 IN VOID *OldInterface,\r
1233 IN VOID *NewInterface\r
1234 );\r
1235\r
1236/**\r
1237 Removes a protocol interface from a device handle. It is recommended that\r
1238 UninstallMultipleProtocolInterfaces() be used in place of\r
1239 UninstallProtocolInterface().\r
1240\r
d3d92557
FT
1241 @param[in] Handle The handle on which the interface was installed.\r
1242 @param[in] Protocol The numeric ID of the interface.\r
1243 @param[in] Interface A pointer to the interface.\r
959ccb23 1244\r
1245 @retval EFI_SUCCESS The interface was removed.\r
1246 @retval EFI_NOT_FOUND The interface was not found.\r
1247 @retval EFI_ACCESS_DENIED The interface was not removed because the interface\r
1248 is still being used by a driver.\r
18bd7e85 1249 @retval EFI_INVALID_PARAMETER Handle is NULL.\r
e0c047a0 1250 @retval EFI_INVALID_PARAMETER Protocol is NULL.\r
959ccb23 1251\r
1252**/\r
1253typedef\r
1254EFI_STATUS\r
8b13229b 1255(EFIAPI *EFI_UNINSTALL_PROTOCOL_INTERFACE)(\r
959ccb23 1256 IN EFI_HANDLE Handle,\r
1257 IN EFI_GUID *Protocol,\r
1258 IN VOID *Interface\r
1259 );\r
1260\r
1261/**\r
1262 Removes one or more protocol interfaces into the boot services environment.\r
1263\r
d3d92557 1264 @param[in] Handle The handle to remove the protocol interfaces from.\r
959ccb23 1265 @param ... A variable argument list containing pairs of protocol GUIDs and\r
1266 protocol interfaces.\r
1267\r
1268 @retval EFI_SUCCESS All the protocol interfaces were removed.\r
1269 @retval EFI_INVALID_PARAMETER One of the protocol interfaces was not previously installed on Handle.\r
1270\r
1271**/\r
1272typedef\r
1273EFI_STATUS\r
8b13229b 1274(EFIAPI *EFI_UNINSTALL_MULTIPLE_PROTOCOL_INTERFACES)(\r
959ccb23 1275 IN EFI_HANDLE Handle,\r
1276 ...\r
1277 );\r
1278\r
1279/**\r
1280 Queries a handle to determine if it supports a specified protocol.\r
1281\r
d3d92557
FT
1282 @param[in] Handle The handle being queried.\r
1283 @param[in] Protocol The published unique identifier of the protocol.\r
1284 @param[out] Interface Supplies the address where a pointer to the corresponding Protocol\r
959ccb23 1285 Interface is returned.\r
e0c047a0 1286\r
959ccb23 1287 @retval EFI_SUCCESS The interface information for the specified protocol was returned.\r
1288 @retval EFI_UNSUPPORTED The device does not support the specified protocol.\r
18bd7e85 1289 @retval EFI_INVALID_PARAMETER Handle is NULL.\r
e0c047a0 1290 @retval EFI_INVALID_PARAMETER Protocol is NULL.\r
1291 @retval EFI_INVALID_PARAMETER Interface is NULL.\r
959ccb23 1292\r
1293**/\r
1294typedef\r
1295EFI_STATUS\r
8b13229b 1296(EFIAPI *EFI_HANDLE_PROTOCOL)(\r
959ccb23 1297 IN EFI_HANDLE Handle,\r
1298 IN EFI_GUID *Protocol,\r
1299 OUT VOID **Interface\r
1300 );\r
1301\r
1302#define EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL 0x00000001\r
1303#define EFI_OPEN_PROTOCOL_GET_PROTOCOL 0x00000002\r
1304#define EFI_OPEN_PROTOCOL_TEST_PROTOCOL 0x00000004\r
1305#define EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER 0x00000008\r
1306#define EFI_OPEN_PROTOCOL_BY_DRIVER 0x00000010\r
1307#define EFI_OPEN_PROTOCOL_EXCLUSIVE 0x00000020\r
1308\r
1309/**\r
1310 Queries a handle to determine if it supports a specified protocol. If the protocol is supported by the\r
1311 handle, it opens the protocol on behalf of the calling agent.\r
1312\r
d3d92557
FT
1313 @param[in] Handle The handle for the protocol interface that is being opened.\r
1314 @param[in] Protocol The published unique identifier of the protocol.\r
1315 @param[out] Interface Supplies the address where a pointer to the corresponding Protocol\r
959ccb23 1316 Interface is returned.\r
d3d92557 1317 @param[in] AgentHandle The handle of the agent that is opening the protocol interface\r
959ccb23 1318 specified by Protocol and Interface.\r
d3d92557 1319 @param[in] ControllerHandle If the agent that is opening a protocol is a driver that follows the\r
959ccb23 1320 UEFI Driver Model, then this parameter is the controller handle\r
1321 that requires the protocol interface. If the agent does not follow\r
1322 the UEFI Driver Model, then this parameter is optional and may\r
1323 be NULL.\r
d3d92557 1324 @param[in] Attributes The open mode of the protocol interface specified by Handle\r
959ccb23 1325 and Protocol.\r
1326\r
1327 @retval EFI_SUCCESS An item was added to the open list for the protocol interface, and the\r
1328 protocol interface was returned in Interface.\r
1329 @retval EFI_UNSUPPORTED Handle does not support Protocol.\r
1330 @retval EFI_INVALID_PARAMETER One or more parameters are invalid.\r
1331 @retval EFI_ACCESS_DENIED Required attributes can't be supported in current environment.\r
1332 @retval EFI_ALREADY_STARTED Item on the open list already has requierd attributes whose agent\r
1333 handle is the same as AgentHandle.\r
1334\r
1335**/\r
1336typedef\r
1337EFI_STATUS\r
8b13229b 1338(EFIAPI *EFI_OPEN_PROTOCOL)(\r
959ccb23 1339 IN EFI_HANDLE Handle,\r
1340 IN EFI_GUID *Protocol,\r
d0e2f823 1341 OUT VOID **Interface OPTIONAL,\r
959ccb23 1342 IN EFI_HANDLE AgentHandle,\r
e0c047a0 1343 IN EFI_HANDLE ControllerHandle,\r
959ccb23 1344 IN UINT32 Attributes\r
1345 );\r
1346\r
1347\r
1348/**\r
1349 Closes a protocol on a handle that was opened using OpenProtocol().\r
1350\r
d3d92557 1351 @param[in] Handle The handle for the protocol interface that was previously opened\r
959ccb23 1352 with OpenProtocol(), and is now being closed.\r
d3d92557
FT
1353 @param[in] Protocol The published unique identifier of the protocol.\r
1354 @param[in] AgentHandle The handle of the agent that is closing the protocol interface.\r
1355 @param[in] ControllerHandle If the agent that opened a protocol is a driver that follows the\r
959ccb23 1356 UEFI Driver Model, then this parameter is the controller handle\r
1357 that required the protocol interface.\r
1358\r
1359 @retval EFI_SUCCESS The protocol instance was closed.\r
d9de7921
RN
1360 @retval EFI_INVALID_PARAMETER 1) Handle is NULL.\r
1361 2) AgentHandle is NULL.\r
e0c047a0 1362 3) ControllerHandle is not NULL and ControllerHandle is not a valid EFI_HANDLE.\r
1363 4) Protocol is NULL.\r
959ccb23 1364 @retval EFI_NOT_FOUND 1) Handle does not support the protocol specified by Protocol.\r
1365 2) The protocol interface specified by Handle and Protocol is not\r
1366 currently open by AgentHandle and ControllerHandle.\r
1367\r
1368**/\r
1369typedef\r
1370EFI_STATUS\r
8b13229b 1371(EFIAPI *EFI_CLOSE_PROTOCOL)(\r
959ccb23 1372 IN EFI_HANDLE Handle,\r
1373 IN EFI_GUID *Protocol,\r
1374 IN EFI_HANDLE AgentHandle,\r
1375 IN EFI_HANDLE ControllerHandle\r
1376 );\r
1377\r
2a3f6a21 1378///\r
1379/// EFI Oprn Protocol Information Entry\r
1380///\r
959ccb23 1381typedef struct {\r
1382 EFI_HANDLE AgentHandle;\r
1383 EFI_HANDLE ControllerHandle;\r
1384 UINT32 Attributes;\r
1385 UINT32 OpenCount;\r
1386} EFI_OPEN_PROTOCOL_INFORMATION_ENTRY;\r
1387\r
1388/**\r
1389 Retrieves the list of agents that currently have a protocol interface opened.\r
1390\r
d3d92557
FT
1391 @param[in] Handle The handle for the protocol interface that is being queried.\r
1392 @param[in] Protocol The published unique identifier of the protocol.\r
1393 @param[out] EntryBuffer A pointer to a buffer of open protocol information in the form of\r
959ccb23 1394 EFI_OPEN_PROTOCOL_INFORMATION_ENTRY structures.\r
d3d92557 1395 @param[out] EntryCount A pointer to the number of entries in EntryBuffer.\r
959ccb23 1396\r
1397 @retval EFI_SUCCESS The open protocol information was returned in EntryBuffer, and the\r
1398 number of entries was returned EntryCount.\r
1399 @retval EFI_OUT_OF_RESOURCES There are not enough resources available to allocate EntryBuffer.\r
1400 @retval EFI_NOT_FOUND Handle does not support the protocol specified by Protocol.\r
1401\r
1402**/\r
1403typedef\r
1404EFI_STATUS\r
8b13229b 1405(EFIAPI *EFI_OPEN_PROTOCOL_INFORMATION)(\r
959ccb23 1406 IN EFI_HANDLE Handle,\r
1407 IN EFI_GUID *Protocol,\r
e0c047a0 1408 OUT EFI_OPEN_PROTOCOL_INFORMATION_ENTRY **EntryBuffer,\r
959ccb23 1409 OUT UINTN *EntryCount\r
1410 );\r
1411\r
1412/**\r
1413 Retrieves the list of protocol interface GUIDs that are installed on a handle in a buffer allocated\r
1414 from pool.\r
1415\r
d3d92557
FT
1416 @param[in] Handle The handle from which to retrieve the list of protocol interface\r
1417 GUIDs.\r
1418 @param[out] ProtocolBuffer A pointer to the list of protocol interface GUID pointers that are\r
1419 installed on Handle.\r
1420 @param[out] ProtocolBufferCount A pointer to the number of GUID pointers present in\r
1421 ProtocolBuffer.\r
959ccb23 1422\r
1423 @retval EFI_SUCCESS The list of protocol interface GUIDs installed on Handle was returned in\r
1424 ProtocolBuffer. The number of protocol interface GUIDs was\r
1425 returned in ProtocolBufferCount.\r
1426 @retval EFI_OUT_OF_RESOURCES There is not enough pool memory to store the results.\r
e0c047a0 1427 @retval EFI_INVALID_PARAMETER Handle is NULL.\r
1428 @retval EFI_INVALID_PARAMETER Handle is not a valid EFI_HANDLE.\r
1429 @retval EFI_INVALID_PARAMETER ProtocolBuffer is NULL.\r
1430 @retval EFI_INVALID_PARAMETER ProtocolBufferCount is NULL.\r
959ccb23 1431\r
1432**/\r
1433typedef\r
1434EFI_STATUS\r
8b13229b 1435(EFIAPI *EFI_PROTOCOLS_PER_HANDLE)(\r
959ccb23 1436 IN EFI_HANDLE Handle,\r
1437 OUT EFI_GUID ***ProtocolBuffer,\r
1438 OUT UINTN *ProtocolBufferCount\r
1439 );\r
1440\r
1441/**\r
1442 Creates an event that is to be signaled whenever an interface is installed for a specified protocol.\r
1443\r
d3d92557
FT
1444 @param[in] Protocol The numeric ID of the protocol for which the event is to be registered.\r
1445 @param[in] Event Event that is to be signaled whenever a protocol interface is registered\r
959ccb23 1446 for Protocol.\r
d3d92557 1447 @param[out] Registration A pointer to a memory location to receive the registration value.\r
959ccb23 1448\r
1449 @retval EFI_SUCCESS The notification event has been registered.\r
1450 @retval EFI_OUT_OF_RESOURCES Space for the notification event could not be allocated.\r
e0c047a0 1451 @retval EFI_INVALID_PARAMETER Protocol is NULL.\r
1452 @retval EFI_INVALID_PARAMETER Event is NULL.\r
1453 @retval EFI_INVALID_PARAMETER Registration is NULL.\r
959ccb23 1454\r
1455**/\r
1456typedef\r
1457EFI_STATUS\r
8b13229b 1458(EFIAPI *EFI_REGISTER_PROTOCOL_NOTIFY)(\r
959ccb23 1459 IN EFI_GUID *Protocol,\r
1460 IN EFI_EVENT Event,\r
1461 OUT VOID **Registration\r
1462 );\r
1463\r
2a3f6a21 1464///\r
1465/// Enumeration of EFI Locate Search Types\r
1466///\r
959ccb23 1467typedef enum {\r
2a3f6a21 1468 ///\r
1469 /// Retrieve all the handles in the handle database.\r
1470 ///\r
959ccb23 1471 AllHandles,\r
2a3f6a21 1472 ///\r
1473 /// Retrieve the next handle fron a RegisterProtocolNotify() event.\r
1474 ///\r
959ccb23 1475 ByRegisterNotify,\r
2a3f6a21 1476 ///\r
9095d37b 1477 /// Retrieve the set of handles from the handle database that support a\r
2a3f6a21 1478 /// specified protocol.\r
1479 ///\r
959ccb23 1480 ByProtocol\r
1481} EFI_LOCATE_SEARCH_TYPE;\r
1482\r
1483/**\r
1484 Returns an array of handles that support a specified protocol.\r
1485\r
d3d92557
FT
1486 @param[in] SearchType Specifies which handle(s) are to be returned.\r
1487 @param[in] Protocol Specifies the protocol to search by.\r
1488 @param[in] SearchKey Specifies the search key.\r
1489 @param[in, out] BufferSize On input, the size in bytes of Buffer. On output, the size in bytes of\r
959ccb23 1490 the array returned in Buffer (if the buffer was large enough) or the\r
1491 size, in bytes, of the buffer needed to obtain the array (if the buffer was\r
1492 not large enough).\r
d3d92557 1493 @param[out] Buffer The buffer in which the array is returned.\r
959ccb23 1494\r
1495 @retval EFI_SUCCESS The array of handles was returned.\r
1496 @retval EFI_NOT_FOUND No handles match the search.\r
1497 @retval EFI_BUFFER_TOO_SMALL The BufferSize is too small for the result.\r
e0c047a0 1498 @retval EFI_INVALID_PARAMETER SearchType is not a member of EFI_LOCATE_SEARCH_TYPE.\r
1499 @retval EFI_INVALID_PARAMETER SearchType is ByRegisterNotify and SearchKey is NULL.\r
1500 @retval EFI_INVALID_PARAMETER SearchType is ByProtocol and Protocol is NULL.\r
1501 @retval EFI_INVALID_PARAMETER One or more matches are found and BufferSize is NULL.\r
1502 @retval EFI_INVALID_PARAMETER BufferSize is large enough for the result and Buffer is NULL.\r
959ccb23 1503\r
1504**/\r
1505typedef\r
1506EFI_STATUS\r
8b13229b 1507(EFIAPI *EFI_LOCATE_HANDLE)(\r
959ccb23 1508 IN EFI_LOCATE_SEARCH_TYPE SearchType,\r
d0e2f823
MK
1509 IN EFI_GUID *Protocol OPTIONAL,\r
1510 IN VOID *SearchKey OPTIONAL,\r
959ccb23 1511 IN OUT UINTN *BufferSize,\r
1512 OUT EFI_HANDLE *Buffer\r
1513 );\r
1514\r
1515/**\r
1516 Locates the handle to a device on the device path that supports the specified protocol.\r
1517\r
d3d92557
FT
1518 @param[in] Protocol Specifies the protocol to search for.\r
1519 @param[in, out] DevicePath On input, a pointer to a pointer to the device path. On output, the device\r
959ccb23 1520 path pointer is modified to point to the remaining part of the device\r
1521 path.\r
d3d92557 1522 @param[out] Device A pointer to the returned device handle.\r
959ccb23 1523\r
1524 @retval EFI_SUCCESS The resulting handle was returned.\r
1525 @retval EFI_NOT_FOUND No handles match the search.\r
e0c047a0 1526 @retval EFI_INVALID_PARAMETER Protocol is NULL.\r
1527 @retval EFI_INVALID_PARAMETER DevicePath is NULL.\r
1528 @retval EFI_INVALID_PARAMETER A handle matched the search and Device is NULL.\r
959ccb23 1529\r
1530**/\r
1531typedef\r
1532EFI_STATUS\r
8b13229b 1533(EFIAPI *EFI_LOCATE_DEVICE_PATH)(\r
959ccb23 1534 IN EFI_GUID *Protocol,\r
1535 IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath,\r
1536 OUT EFI_HANDLE *Device\r
1537 );\r
1538\r
1539/**\r
1540 Adds, updates, or removes a configuration table entry from the EFI System Table.\r
1541\r
d3d92557
FT
1542 @param[in] Guid A pointer to the GUID for the entry to add, update, or remove.\r
1543 @param[in] Table A pointer to the configuration table for the entry to add, update, or\r
959ccb23 1544 remove. May be NULL.\r
1545\r
1546 @retval EFI_SUCCESS The (Guid, Table) pair was added, updated, or removed.\r
1547 @retval EFI_NOT_FOUND An attempt was made to delete a nonexistent entry.\r
bfe0572b 1548 @retval EFI_INVALID_PARAMETER Guid is NULL.\r
959ccb23 1549 @retval EFI_OUT_OF_RESOURCES There is not enough memory available to complete the operation.\r
1550\r
1551**/\r
1552typedef\r
1553EFI_STATUS\r
8b13229b 1554(EFIAPI *EFI_INSTALL_CONFIGURATION_TABLE)(\r
959ccb23 1555 IN EFI_GUID *Guid,\r
1556 IN VOID *Table\r
1557 );\r
1558\r
959ccb23 1559/**\r
1560 Returns an array of handles that support the requested protocol in a buffer allocated from pool.\r
1561\r
d3d92557
FT
1562 @param[in] SearchType Specifies which handle(s) are to be returned.\r
1563 @param[in] Protocol Provides the protocol to search by.\r
e0c047a0 1564 This parameter is only valid for a SearchType of ByProtocol.\r
d3d92557 1565 @param[in] SearchKey Supplies the search key depending on the SearchType.\r
ff95c0fc 1566 @param[out] NoHandles The number of handles returned in Buffer.\r
d3d92557 1567 @param[out] Buffer A pointer to the buffer to return the requested array of handles that\r
959ccb23 1568 support Protocol.\r
1569\r
1570 @retval EFI_SUCCESS The array of handles was returned in Buffer, and the number of\r
1571 handles in Buffer was returned in NoHandles.\r
1572 @retval EFI_NOT_FOUND No handles match the search.\r
1573 @retval EFI_OUT_OF_RESOURCES There is not enough pool memory to store the matching results.\r
e0c047a0 1574 @retval EFI_INVALID_PARAMETER NoHandles is NULL.\r
1575 @retval EFI_INVALID_PARAMETER Buffer is NULL.\r
959ccb23 1576\r
1577**/\r
1578typedef\r
1579EFI_STATUS\r
8b13229b 1580(EFIAPI *EFI_LOCATE_HANDLE_BUFFER)(\r
959ccb23 1581 IN EFI_LOCATE_SEARCH_TYPE SearchType,\r
d0e2f823
MK
1582 IN EFI_GUID *Protocol OPTIONAL,\r
1583 IN VOID *SearchKey OPTIONAL,\r
ff95c0fc 1584 OUT UINTN *NoHandles,\r
959ccb23 1585 OUT EFI_HANDLE **Buffer\r
1586 );\r
1587\r
1588/**\r
1589 Returns the first protocol instance that matches the given protocol.\r
1590\r
d3d92557
FT
1591 @param[in] Protocol Provides the protocol to search for.\r
1592 @param[in] Registration Optional registration key returned from\r
959ccb23 1593 RegisterProtocolNotify().\r
d3d92557 1594 @param[out] Interface On return, a pointer to the first interface that matches Protocol and\r
959ccb23 1595 Registration.\r
1596\r
1597 @retval EFI_SUCCESS A protocol instance matching Protocol was found and returned in\r
1598 Interface.\r
1599 @retval EFI_NOT_FOUND No protocol instances were found that match Protocol and\r
1600 Registration.\r
1601 @retval EFI_INVALID_PARAMETER Interface is NULL.\r
d65f7eeb 1602 Protocol is NULL.\r
959ccb23 1603\r
1604**/\r
1605typedef\r
1606EFI_STATUS\r
8b13229b 1607(EFIAPI *EFI_LOCATE_PROTOCOL)(\r
959ccb23 1608 IN EFI_GUID *Protocol,\r
d0e2f823 1609 IN VOID *Registration OPTIONAL,\r
959ccb23 1610 OUT VOID **Interface\r
1611 );\r
1612\r
2a3f6a21 1613///\r
1614/// EFI Capsule Block Descriptor\r
1615///\r
959ccb23 1616typedef struct {\r
1bf79370
LG
1617 ///\r
1618 /// Length in bytes of the data pointed to by DataBlock/ContinuationPointer.\r
1619 ///\r
2a3f6a21 1620 UINT64 Length;\r
959ccb23 1621 union {\r
1bf79370
LG
1622 ///\r
1623 /// Physical address of the data block. This member of the union is\r
1624 /// used if Length is not equal to zero.\r
1625 ///\r
959ccb23 1626 EFI_PHYSICAL_ADDRESS DataBlock;\r
1bf79370
LG
1627 ///\r
1628 /// Physical address of another block of\r
1629 /// EFI_CAPSULE_BLOCK_DESCRIPTOR structures. This\r
1630 /// member of the union is used if Length is equal to zero. If\r
1631 /// ContinuationPointer is zero this entry represents the end of the list.\r
1632 ///\r
959ccb23 1633 EFI_PHYSICAL_ADDRESS ContinuationPointer;\r
1634 } Union;\r
45ad5569 1635} EFI_CAPSULE_BLOCK_DESCRIPTOR;\r
959ccb23 1636\r
2a3f6a21 1637///\r
af2dc6a7 1638/// EFI Capsule Header.\r
2a3f6a21 1639///\r
959ccb23 1640typedef struct {\r
1bf79370
LG
1641 ///\r
1642 /// A GUID that defines the contents of a capsule.\r
1643 ///\r
959ccb23 1644 EFI_GUID CapsuleGuid;\r
1bf79370
LG
1645 ///\r
1646 /// The size of the capsule header. This may be larger than the size of\r
1647 /// the EFI_CAPSULE_HEADER since CapsuleGuid may imply\r
1648 /// extended header entries\r
1649 ///\r
959ccb23 1650 UINT32 HeaderSize;\r
1bf79370
LG
1651 ///\r
1652 /// Bit-mapped list describing the capsule attributes. The Flag values\r
f6d2bcc6 1653 /// of 0x0000 - 0xFFFF are defined by CapsuleGuid. Flag values\r
a0d58c21 1654 /// of 0x10000 - 0xFFFFFFFF are defined by this specification\r
1bf79370 1655 ///\r
959ccb23 1656 UINT32 Flags;\r
1bf79370
LG
1657 ///\r
1658 /// Size in bytes of the capsule.\r
1659 ///\r
959ccb23 1660 UINT32 CapsuleImageSize;\r
45ad5569 1661} EFI_CAPSULE_HEADER;\r
959ccb23 1662\r
1bf79370
LG
1663///\r
1664/// The EFI System Table entry must point to an array of capsules\r
1665/// that contain the same CapsuleGuid value. The array must be\r
1666/// prefixed by a UINT32 that represents the size of the array of capsules.\r
1667///\r
176a6bb3 1668typedef struct {\r
1bf79370
LG
1669 ///\r
1670 /// the size of the array of capsules.\r
1671 ///\r
176a6bb3 1672 UINT32 CapsuleArrayNumber;\r
1bf79370
LG
1673 ///\r
1674 /// Point to an array of capsules that contain the same CapsuleGuid value.\r
1675 ///\r
176a6bb3
LG
1676 VOID* CapsulePtr[1];\r
1677} EFI_CAPSULE_TABLE;\r
1678\r
959ccb23 1679#define CAPSULE_FLAGS_PERSIST_ACROSS_RESET 0x00010000\r
1680#define CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE 0x00020000\r
eaa8a234 1681#define CAPSULE_FLAGS_INITIATE_RESET 0x00040000\r
959ccb23 1682\r
1683/**\r
1684 Passes capsules to the firmware with both virtual and physical mapping. Depending on the intended\r
1685 consumption, the firmware may process the capsule immediately. If the payload should persist\r
1686 across a system reset, the reset value returned from EFI_QueryCapsuleCapabilities must\r
1687 be passed into ResetSystem() and will cause the capsule to be processed by the firmware as\r
1688 part of the reset process.\r
1689\r
d3d92557
FT
1690 @param[in] CapsuleHeaderArray Virtual pointer to an array of virtual pointers to the capsules\r
1691 being passed into update capsule.\r
1692 @param[in] CapsuleCount Number of pointers to EFI_CAPSULE_HEADER in\r
1693 CaspuleHeaderArray.\r
1694 @param[in] ScatterGatherList Physical pointer to a set of\r
1695 EFI_CAPSULE_BLOCK_DESCRIPTOR that describes the\r
1696 location in physical memory of a set of capsules.\r
959ccb23 1697\r
1698 @retval EFI_SUCCESS Valid capsule was passed. If\r
1699 CAPSULE_FLAGS_PERSIT_ACROSS_RESET is not set, the\r
1700 capsule has been successfully processed by the firmware.\r
eaa8a234 1701 @retval EFI_INVALID_PARAMETER CapsuleSize is NULL, or an incompatible set of flags were\r
1702 set in the capsule header.\r
a0d58c21 1703 @retval EFI_INVALID_PARAMETER CapsuleCount is 0.\r
959ccb23 1704 @retval EFI_DEVICE_ERROR The capsule update was started, but failed due to a device error.\r
e0c047a0 1705 @retval EFI_UNSUPPORTED The capsule type is not supported on this platform.\r
9095d37b
LG
1706 @retval EFI_OUT_OF_RESOURCES When ExitBootServices() has been previously called this error indicates the capsule\r
1707 is compatible with this platform but is not capable of being submitted or processed\r
efdabc6c 1708 in runtime. The caller may resubmit the capsule prior to ExitBootServices().\r
9095d37b 1709 @retval EFI_OUT_OF_RESOURCES When ExitBootServices() has not been previously called then this error indicates\r
efdabc6c 1710 the capsule is compatible with this platform but there are insufficient resources to process.\r
959ccb23 1711\r
1712**/\r
1713typedef\r
1714EFI_STATUS\r
8b13229b 1715(EFIAPI *EFI_UPDATE_CAPSULE)(\r
531febc2 1716 IN EFI_CAPSULE_HEADER **CapsuleHeaderArray,\r
959ccb23 1717 IN UINTN CapsuleCount,\r
1718 IN EFI_PHYSICAL_ADDRESS ScatterGatherList OPTIONAL\r
1719 );\r
1720\r
1721/**\r
1722 Returns if the capsule can be supported via UpdateCapsule().\r
1723\r
d3d92557
FT
1724 @param[in] CapsuleHeaderArray Virtual pointer to an array of virtual pointers to the capsules\r
1725 being passed into update capsule.\r
1726 @param[in] CapsuleCount Number of pointers to EFI_CAPSULE_HEADER in\r
1727 CaspuleHeaderArray.\r
1728 @param[out] MaxiumCapsuleSize On output the maximum size that UpdateCapsule() can\r
1729 support as an argument to UpdateCapsule() via\r
1730 CapsuleHeaderArray and ScatterGatherList.\r
1731 @param[out] ResetType Returns the type of reset required for the capsule update.\r
959ccb23 1732\r
1733 @retval EFI_SUCCESS Valid answer returned.\r
1734 @retval EFI_UNSUPPORTED The capsule type is not supported on this platform, and\r
1735 MaximumCapsuleSize and ResetType are undefined.\r
1736 @retval EFI_INVALID_PARAMETER MaximumCapsuleSize is NULL.\r
9095d37b
LG
1737 @retval EFI_OUT_OF_RESOURCES When ExitBootServices() has been previously called this error indicates the capsule\r
1738 is compatible with this platform but is not capable of being submitted or processed\r
efdabc6c 1739 in runtime. The caller may resubmit the capsule prior to ExitBootServices().\r
9095d37b 1740 @retval EFI_OUT_OF_RESOURCES When ExitBootServices() has not been previously called then this error indicates\r
efdabc6c 1741 the capsule is compatible with this platform but there are insufficient resources to process.\r
959ccb23 1742\r
1743**/\r
1744typedef\r
1745EFI_STATUS\r
8b13229b 1746(EFIAPI *EFI_QUERY_CAPSULE_CAPABILITIES)(\r
531febc2 1747 IN EFI_CAPSULE_HEADER **CapsuleHeaderArray,\r
959ccb23 1748 IN UINTN CapsuleCount,\r
1749 OUT UINT64 *MaximumCapsuleSize,\r
1750 OUT EFI_RESET_TYPE *ResetType\r
1751 );\r
1752\r
1753/**\r
1754 Returns information about the EFI variables.\r
1755\r
d3d92557
FT
1756 @param[in] Attributes Attributes bitmask to specify the type of variables on\r
1757 which to return information.\r
1758 @param[out] MaximumVariableStorageSize On output the maximum size of the storage space\r
1759 available for the EFI variables associated with the\r
1760 attributes specified.\r
1761 @param[out] RemainingVariableStorageSize Returns the remaining size of the storage space\r
1762 available for the EFI variables associated with the\r
1763 attributes specified.\r
1764 @param[out] MaximumVariableSize Returns the maximum size of the individual EFI\r
1765 variables associated with the attributes specified.\r
959ccb23 1766\r
1767 @retval EFI_SUCCESS Valid answer returned.\r
1768 @retval EFI_INVALID_PARAMETER An invalid combination of attribute bits was supplied\r
1769 @retval EFI_UNSUPPORTED The attribute is not supported on this platform, and the\r
1770 MaximumVariableStorageSize,\r
1771 RemainingVariableStorageSize, MaximumVariableSize\r
1772 are undefined.\r
1773\r
1774**/\r
1775typedef\r
1776EFI_STATUS\r
8b13229b 1777(EFIAPI *EFI_QUERY_VARIABLE_INFO)(\r
959ccb23 1778 IN UINT32 Attributes,\r
1779 OUT UINT64 *MaximumVariableStorageSize,\r
1780 OUT UINT64 *RemainingVariableStorageSize,\r
1781 OUT UINT64 *MaximumVariableSize\r
1782 );\r
1783\r
b5eb03cf 1784//\r
1785// Firmware should stop at a firmware user interface on next boot\r
1786//\r
566771b0 1787#define EFI_OS_INDICATIONS_BOOT_TO_FW_UI 0x0000000000000001\r
1788#define EFI_OS_INDICATIONS_TIMESTAMP_REVOCATION 0x0000000000000002\r
1789#define EFI_OS_INDICATIONS_FILE_CAPSULE_DELIVERY_SUPPORTED 0x0000000000000004\r
1790#define EFI_OS_INDICATIONS_FMP_CAPSULE_SUPPORTED 0x0000000000000008\r
1791#define EFI_OS_INDICATIONS_CAPSULE_RESULT_VAR_SUPPORTED 0x0000000000000010\r
83952535 1792#define EFI_OS_INDICATIONS_START_PLATFORM_RECOVERY 0x0000000000000040\r
154e243a 1793#define EFI_OS_INDICATIONS_JSON_CONFIG_DATA_REFRESH 0x0000000000000080\r
959ccb23 1794\r
1795//\r
1796// EFI Runtime Services Table\r
1797//\r
07636730 1798#define EFI_SYSTEM_TABLE_SIGNATURE SIGNATURE_64 ('I','B','I',' ','S','Y','S','T')\r
2552fd58 1799#define EFI_2_80_SYSTEM_TABLE_REVISION ((2 << 16) | (80))\r
fee5ea2c 1800#define EFI_2_70_SYSTEM_TABLE_REVISION ((2 << 16) | (70))\r
ed5e386a 1801#define EFI_2_60_SYSTEM_TABLE_REVISION ((2 << 16) | (60))\r
b2e1b498 1802#define EFI_2_50_SYSTEM_TABLE_REVISION ((2 << 16) | (50))\r
b4319afb 1803#define EFI_2_40_SYSTEM_TABLE_REVISION ((2 << 16) | (40))\r
aee17e89 1804#define EFI_2_31_SYSTEM_TABLE_REVISION ((2 << 16) | (31))\r
add9c350 1805#define EFI_2_30_SYSTEM_TABLE_REVISION ((2 << 16) | (30))\r
1806#define EFI_2_20_SYSTEM_TABLE_REVISION ((2 << 16) | (20))\r
2a3f6a21 1807#define EFI_2_10_SYSTEM_TABLE_REVISION ((2 << 16) | (10))\r
1808#define EFI_2_00_SYSTEM_TABLE_REVISION ((2 << 16) | (00))\r
1809#define EFI_1_10_SYSTEM_TABLE_REVISION ((1 << 16) | (10))\r
1810#define EFI_1_02_SYSTEM_TABLE_REVISION ((1 << 16) | (02))\r
fee5ea2c 1811#define EFI_SYSTEM_TABLE_REVISION EFI_2_70_SYSTEM_TABLE_REVISION\r
78322c85 1812#define EFI_SPECIFICATION_VERSION EFI_SYSTEM_TABLE_REVISION\r
2a3f6a21 1813\r
07636730 1814#define EFI_RUNTIME_SERVICES_SIGNATURE SIGNATURE_64 ('R','U','N','T','S','E','R','V')\r
78322c85 1815#define EFI_RUNTIME_SERVICES_REVISION EFI_SPECIFICATION_VERSION\r
959ccb23 1816\r
e0c047a0 1817///\r
af2dc6a7 1818/// EFI Runtime Services Table.\r
e0c047a0 1819///\r
959ccb23 1820typedef struct {\r
e0c047a0 1821 ///\r
1822 /// The table header for the EFI Runtime Services Table.\r
1823 ///\r
c9a0a0fc 1824 EFI_TABLE_HEADER Hdr;\r
00edb218
A
1825\r
1826 //\r
1827 // Time Services\r
1828 //\r
1829 EFI_GET_TIME GetTime;\r
1830 EFI_SET_TIME SetTime;\r
1831 EFI_GET_WAKEUP_TIME GetWakeupTime;\r
1832 EFI_SET_WAKEUP_TIME SetWakeupTime;\r
1833\r
1834 //\r
1835 // Virtual Memory Services\r
1836 //\r
1837 EFI_SET_VIRTUAL_ADDRESS_MAP SetVirtualAddressMap;\r
1838 EFI_CONVERT_POINTER ConvertPointer;\r
1839\r
1840 //\r
1841 // Variable Services\r
1842 //\r
1843 EFI_GET_VARIABLE GetVariable;\r
1844 EFI_GET_NEXT_VARIABLE_NAME GetNextVariableName;\r
1845 EFI_SET_VARIABLE SetVariable;\r
1846\r
1847 //\r
1848 // Miscellaneous Services\r
1849 //\r
1850 EFI_GET_NEXT_HIGH_MONO_COUNT GetNextHighMonotonicCount;\r
1851 EFI_RESET_SYSTEM ResetSystem;\r
1852\r
1853 //\r
1854 // UEFI 2.0 Capsule Services\r
1855 //\r
1856 EFI_UPDATE_CAPSULE UpdateCapsule;\r
1857 EFI_QUERY_CAPSULE_CAPABILITIES QueryCapsuleCapabilities;\r
1858\r
1859 //\r
1860 // Miscellaneous UEFI 2.0 Service\r
1861 //\r
1862 EFI_QUERY_VARIABLE_INFO QueryVariableInfo;\r
959ccb23 1863} EFI_RUNTIME_SERVICES;\r
1864\r
1865\r
07636730 1866#define EFI_BOOT_SERVICES_SIGNATURE SIGNATURE_64 ('B','O','O','T','S','E','R','V')\r
78322c85 1867#define EFI_BOOT_SERVICES_REVISION EFI_SPECIFICATION_VERSION\r
959ccb23 1868\r
e0c047a0 1869///\r
af2dc6a7 1870/// EFI Boot Services Table.\r
e0c047a0 1871///\r
959ccb23 1872typedef struct {\r
e0c047a0 1873 ///\r
1874 /// The table header for the EFI Boot Services Table.\r
1875 ///\r
c9a0a0fc 1876 EFI_TABLE_HEADER Hdr;\r
d0c64728 1877\r
00edb218
A
1878 //\r
1879 // Task Priority Services\r
1880 //\r
1881 EFI_RAISE_TPL RaiseTPL;\r
1882 EFI_RESTORE_TPL RestoreTPL;\r
1883\r
1884 //\r
1885 // Memory Services\r
1886 //\r
1887 EFI_ALLOCATE_PAGES AllocatePages;\r
1888 EFI_FREE_PAGES FreePages;\r
1889 EFI_GET_MEMORY_MAP GetMemoryMap;\r
1890 EFI_ALLOCATE_POOL AllocatePool;\r
1891 EFI_FREE_POOL FreePool;\r
1892\r
1893 //\r
1894 // Event & Timer Services\r
1895 //\r
1896 EFI_CREATE_EVENT CreateEvent;\r
1897 EFI_SET_TIMER SetTimer;\r
1898 EFI_WAIT_FOR_EVENT WaitForEvent;\r
1899 EFI_SIGNAL_EVENT SignalEvent;\r
1900 EFI_CLOSE_EVENT CloseEvent;\r
1901 EFI_CHECK_EVENT CheckEvent;\r
1902\r
1903 //\r
1904 // Protocol Handler Services\r
1905 //\r
1906 EFI_INSTALL_PROTOCOL_INTERFACE InstallProtocolInterface;\r
1907 EFI_REINSTALL_PROTOCOL_INTERFACE ReinstallProtocolInterface;\r
1908 EFI_UNINSTALL_PROTOCOL_INTERFACE UninstallProtocolInterface;\r
1909 EFI_HANDLE_PROTOCOL HandleProtocol;\r
1910 VOID *Reserved;\r
1911 EFI_REGISTER_PROTOCOL_NOTIFY RegisterProtocolNotify;\r
1912 EFI_LOCATE_HANDLE LocateHandle;\r
1913 EFI_LOCATE_DEVICE_PATH LocateDevicePath;\r
1914 EFI_INSTALL_CONFIGURATION_TABLE InstallConfigurationTable;\r
1915\r
1916 //\r
1917 // Image Services\r
1918 //\r
1919 EFI_IMAGE_LOAD LoadImage;\r
1920 EFI_IMAGE_START StartImage;\r
1921 EFI_EXIT Exit;\r
1922 EFI_IMAGE_UNLOAD UnloadImage;\r
1923 EFI_EXIT_BOOT_SERVICES ExitBootServices;\r
1924\r
1925 //\r
1926 // Miscellaneous Services\r
1927 //\r
1928 EFI_GET_NEXT_MONOTONIC_COUNT GetNextMonotonicCount;\r
1929 EFI_STALL Stall;\r
1930 EFI_SET_WATCHDOG_TIMER SetWatchdogTimer;\r
1931\r
1932 //\r
1933 // DriverSupport Services\r
1934 //\r
1935 EFI_CONNECT_CONTROLLER ConnectController;\r
1936 EFI_DISCONNECT_CONTROLLER DisconnectController;\r
1937\r
1938 //\r
1939 // Open and Close Protocol Services\r
1940 //\r
1941 EFI_OPEN_PROTOCOL OpenProtocol;\r
1942 EFI_CLOSE_PROTOCOL CloseProtocol;\r
1943 EFI_OPEN_PROTOCOL_INFORMATION OpenProtocolInformation;\r
1944\r
1945 //\r
1946 // Library Services\r
1947 //\r
1948 EFI_PROTOCOLS_PER_HANDLE ProtocolsPerHandle;\r
1949 EFI_LOCATE_HANDLE_BUFFER LocateHandleBuffer;\r
1950 EFI_LOCATE_PROTOCOL LocateProtocol;\r
1951 EFI_INSTALL_MULTIPLE_PROTOCOL_INTERFACES InstallMultipleProtocolInterfaces;\r
1952 EFI_UNINSTALL_MULTIPLE_PROTOCOL_INTERFACES UninstallMultipleProtocolInterfaces;\r
1953\r
1954 //\r
1955 // 32-bit CRC Services\r
1956 //\r
1957 EFI_CALCULATE_CRC32 CalculateCrc32;\r
1958\r
1959 //\r
1960 // Miscellaneous Services\r
1961 //\r
1962 EFI_COPY_MEM CopyMem;\r
1963 EFI_SET_MEM SetMem;\r
00edb218 1964 EFI_CREATE_EVENT_EX CreateEventEx;\r
959ccb23 1965} EFI_BOOT_SERVICES;\r
1966\r
e0c047a0 1967///\r
1968/// Contains a set of GUID/pointer pairs comprised of the ConfigurationTable field in the\r
1969/// EFI System Table.\r
1970///\r
2a3f6a21 1971typedef struct {\r
e0c047a0 1972 ///\r
1973 /// The 128-bit GUID value that uniquely identifies the system configuration table.\r
1974 ///\r
00edb218 1975 EFI_GUID VendorGuid;\r
e0c047a0 1976 ///\r
1977 /// A pointer to the table associated with VendorGuid.\r
1978 ///\r
00edb218 1979 VOID *VendorTable;\r
959ccb23 1980} EFI_CONFIGURATION_TABLE;\r
1981\r
e0c047a0 1982///\r
1983/// EFI System Table\r
1984///\r
2a3f6a21 1985typedef struct {\r
e0c047a0 1986 ///\r
1987 /// The table header for the EFI System Table.\r
1988 ///\r
c9a0a0fc 1989 EFI_TABLE_HEADER Hdr;\r
e0c047a0 1990 ///\r
fbf926ad 1991 /// A pointer to a null terminated string that identifies the vendor\r
1992 /// that produces the system firmware for the platform.\r
e0c047a0 1993 ///\r
00edb218 1994 CHAR16 *FirmwareVendor;\r
e0c047a0 1995 ///\r
1996 /// A firmware vendor specific value that identifies the revision\r
1997 /// of the system firmware for the platform.\r
1998 ///\r
00edb218 1999 UINT32 FirmwareRevision;\r
e0c047a0 2000 ///\r
eaf75bf4 2001 /// The handle for the active console input device. This handle must support\r
2002 /// EFI_SIMPLE_TEXT_INPUT_PROTOCOL and EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL.\r
e0c047a0 2003 ///\r
00edb218 2004 EFI_HANDLE ConsoleInHandle;\r
e0c047a0 2005 ///\r
11ca63ec 2006 /// A pointer to the EFI_SIMPLE_TEXT_INPUT_PROTOCOL interface that is\r
e0c047a0 2007 /// associated with ConsoleInHandle.\r
2008 ///\r
00edb218 2009 EFI_SIMPLE_TEXT_INPUT_PROTOCOL *ConIn;\r
e0c047a0 2010 ///\r
2011 /// The handle for the active console output device.\r
2012 ///\r
00edb218 2013 EFI_HANDLE ConsoleOutHandle;\r
e0c047a0 2014 ///\r
11ca63ec 2015 /// A pointer to the EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL interface\r
e0c047a0 2016 /// that is associated with ConsoleOutHandle.\r
2017 ///\r
00edb218 2018 EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *ConOut;\r
e0c047a0 2019 ///\r
2020 /// The handle for the active standard error console device.\r
eaf75bf4 2021 /// This handle must support the EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.\r
e0c047a0 2022 ///\r
00edb218 2023 EFI_HANDLE StandardErrorHandle;\r
e0c047a0 2024 ///\r
11ca63ec 2025 /// A pointer to the EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL interface\r
e0c047a0 2026 /// that is associated with StandardErrorHandle.\r
2027 ///\r
00edb218 2028 EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *StdErr;\r
e0c047a0 2029 ///\r
2030 /// A pointer to the EFI Runtime Services Table.\r
2031 ///\r
00edb218 2032 EFI_RUNTIME_SERVICES *RuntimeServices;\r
e0c047a0 2033 ///\r
2034 /// A pointer to the EFI Boot Services Table.\r
2035 ///\r
00edb218 2036 EFI_BOOT_SERVICES *BootServices;\r
e0c047a0 2037 ///\r
2038 /// The number of system configuration tables in the buffer ConfigurationTable.\r
2039 ///\r
00edb218 2040 UINTN NumberOfTableEntries;\r
e0c047a0 2041 ///\r
2042 /// A pointer to the system configuration tables.\r
2043 /// The number of entries in the table is NumberOfTableEntries.\r
2044 ///\r
00edb218 2045 EFI_CONFIGURATION_TABLE *ConfigurationTable;\r
2a3f6a21 2046} EFI_SYSTEM_TABLE;\r
2047\r
2048/**\r
2049 This is the declaration of an EFI image entry point. This entry point is\r
2050 the same for UEFI Applications, UEFI OS Loaders, and UEFI Drivers including\r
2051 both device drivers and bus drivers.\r
2052\r
d3d92557
FT
2053 @param[in] ImageHandle The firmware allocated handle for the UEFI image.\r
2054 @param[in] SystemTable A pointer to the EFI System Table.\r
2a3f6a21 2055\r
2056 @retval EFI_SUCCESS The operation completed successfully.\r
af2dc6a7 2057 @retval Others An unexpected error occurred.\r
2a3f6a21 2058**/\r
2059typedef\r
2060EFI_STATUS\r
2061(EFIAPI *EFI_IMAGE_ENTRY_POINT)(\r
2062 IN EFI_HANDLE ImageHandle,\r
2063 IN EFI_SYSTEM_TABLE *SystemTable\r
2064 );\r
959ccb23 2065\r
faa32beb
RN
2066//\r
2067// EFI Load Option. This data structure describes format of UEFI boot option variables.\r
2068//\r
2069// NOTE: EFI Load Option is a byte packed buffer of variable length fields.\r
2070// The first two fields have fixed length. They are declared as members of the\r
2071// EFI_LOAD_OPTION structure. All the other fields are variable length fields.\r
2072// They are listed in the comment block below for reference purposes.\r
2073//\r
2074#pragma pack(1)\r
2075typedef struct _EFI_LOAD_OPTION {\r
2076 ///\r
2077 /// The attributes for this load option entry. All unused bits must be zero\r
2078 /// and are reserved by the UEFI specification for future growth.\r
2079 ///\r
2080 UINT32 Attributes;\r
2081 ///\r
2082 /// Length in bytes of the FilePathList. OptionalData starts at offset\r
2083 /// sizeof(UINT32) + sizeof(UINT16) + StrSize(Description) + FilePathListLength\r
2084 /// of the EFI_LOAD_OPTION descriptor.\r
2085 ///\r
2086 UINT16 FilePathListLength;\r
2087 ///\r
2088 /// The user readable description for the load option.\r
2089 /// This field ends with a Null character.\r
2090 ///\r
2091 // CHAR16 Description[];\r
2092 ///\r
2093 /// A packed array of UEFI device paths. The first element of the array is a\r
2094 /// device path that describes the device and location of the Image for this\r
2095 /// load option. The FilePathList[0] is specific to the device type. Other\r
2096 /// device paths may optionally exist in the FilePathList, but their usage is\r
2097 /// OSV specific. Each element in the array is variable length, and ends at\r
2098 /// the device path end structure. Because the size of Description is\r
2099 /// arbitrary, this data structure is not guaranteed to be aligned on a\r
2100 /// natural boundary. This data structure may have to be copied to an aligned\r
2101 /// natural boundary before it is used.\r
2102 ///\r
2103 // EFI_DEVICE_PATH_PROTOCOL FilePathList[];\r
2104 ///\r
2105 /// The remaining bytes in the load option descriptor are a binary data buffer\r
2106 /// that is passed to the loaded image. If the field is zero bytes long, a\r
2107 /// NULL pointer is passed to the loaded image. The number of bytes in\r
2108 /// OptionalData can be computed by subtracting the starting offset of\r
2109 /// OptionalData from total size in bytes of the EFI_LOAD_OPTION.\r
2110 ///\r
2111 // UINT8 OptionalData[];\r
2112} EFI_LOAD_OPTION;\r
2113#pragma pack()\r
2114\r
95cba3ee
A
2115//\r
2116// EFI Load Options Attributes\r
2117//\r
573b8a86
RN
2118#define LOAD_OPTION_ACTIVE 0x00000001\r
2119#define LOAD_OPTION_FORCE_RECONNECT 0x00000002\r
2120#define LOAD_OPTION_HIDDEN 0x00000008\r
2121#define LOAD_OPTION_CATEGORY 0x00001F00\r
2122\r
2123#define LOAD_OPTION_CATEGORY_BOOT 0x00000000\r
2124#define LOAD_OPTION_CATEGORY_APP 0x00000100\r
2125\r
2126#define EFI_BOOT_OPTION_SUPPORT_KEY 0x00000001\r
2127#define EFI_BOOT_OPTION_SUPPORT_APP 0x00000002\r
2128#define EFI_BOOT_OPTION_SUPPORT_SYSPREP 0x00000010\r
2129#define EFI_BOOT_OPTION_SUPPORT_COUNT 0x00000300\r
95cba3ee 2130\r
2a3f6a21 2131///\r
2132/// EFI Boot Key Data\r
2133///\r
d4468cdf
RN
2134typedef union {\r
2135 struct {\r
2136 ///\r
2137 /// Indicates the revision of the EFI_KEY_OPTION structure. This revision level should be 0.\r
2138 ///\r
2139 UINT32 Revision : 8;\r
2140 ///\r
2141 /// Either the left or right Shift keys must be pressed (1) or must not be pressed (0).\r
2142 ///\r
2143 UINT32 ShiftPressed : 1;\r
2144 ///\r
2145 /// Either the left or right Control keys must be pressed (1) or must not be pressed (0).\r
2146 ///\r
2147 UINT32 ControlPressed : 1;\r
2148 ///\r
2149 /// Either the left or right Alt keys must be pressed (1) or must not be pressed (0).\r
2150 ///\r
2151 UINT32 AltPressed : 1;\r
2152 ///\r
2153 /// Either the left or right Logo keys must be pressed (1) or must not be pressed (0).\r
2154 ///\r
2155 UINT32 LogoPressed : 1;\r
2156 ///\r
2157 /// The Menu key must be pressed (1) or must not be pressed (0).\r
2158 ///\r
2159 UINT32 MenuPressed : 1;\r
2160 ///\r
2161 /// The SysReq key must be pressed (1) or must not be pressed (0).\r
2162 ///\r
2163 UINT32 SysReqPressed : 1;\r
2164 UINT32 Reserved : 16;\r
2165 ///\r
2166 /// Specifies the actual number of entries in EFI_KEY_OPTION.Keys, from 0-3. If\r
2167 /// zero, then only the shift state is considered. If more than one, then the boot option will\r
2168 /// only be launched if all of the specified keys are pressed with the same shift state.\r
2169 ///\r
2170 UINT32 InputKeyCount : 2;\r
2171 } Options;\r
2172 UINT32 PackedValue;\r
2173} EFI_BOOT_KEY_DATA;\r
95cba3ee 2174\r
2a3f6a21 2175///\r
af2dc6a7 2176/// EFI Key Option.\r
2a3f6a21 2177///\r
53cdd439 2178#pragma pack(1)\r
95cba3ee 2179typedef struct {\r
1bf79370
LG
2180 ///\r
2181 /// Specifies options about how the key will be processed.\r
2182 ///\r
2183 EFI_BOOT_KEY_DATA KeyData;\r
2184 ///\r
2185 /// The CRC-32 which should match the CRC-32 of the entire EFI_LOAD_OPTION to\r
2186 /// which BootOption refers. If the CRC-32s do not match this value, then this key\r
2187 /// option is ignored.\r
2188 ///\r
2a3f6a21 2189 UINT32 BootOptionCrc;\r
1bf79370
LG
2190 ///\r
2191 /// The Boot#### option which will be invoked if this key is pressed and the boot option\r
2192 /// is active (LOAD_OPTION_ACTIVE is set).\r
2193 ///\r
2a3f6a21 2194 UINT16 BootOption;\r
1bf79370
LG
2195 ///\r
2196 /// The key codes to compare against those returned by the\r
2197 /// EFI_SIMPLE_TEXT_INPUT and EFI_SIMPLE_TEXT_INPUT_EX protocols.\r
2198 /// The number of key codes (0-3) is specified by the EFI_KEY_CODE_COUNT field in KeyOptions.\r
2199 ///\r
2200 //EFI_INPUT_KEY Keys[];\r
95cba3ee 2201} EFI_KEY_OPTION;\r
53cdd439 2202#pragma pack()\r
95cba3ee 2203\r
959ccb23 2204//\r
2205// EFI File location to boot from on removable media devices\r
2206//\r
2207#define EFI_REMOVABLE_MEDIA_FILE_NAME_IA32 L"\\EFI\\BOOT\\BOOTIA32.EFI"\r
2208#define EFI_REMOVABLE_MEDIA_FILE_NAME_IA64 L"\\EFI\\BOOT\\BOOTIA64.EFI"\r
2209#define EFI_REMOVABLE_MEDIA_FILE_NAME_X64 L"\\EFI\\BOOT\\BOOTX64.EFI"\r
ebd04fc2 2210#define EFI_REMOVABLE_MEDIA_FILE_NAME_ARM L"\\EFI\\BOOT\\BOOTARM.EFI"\r
b4319afb 2211#define EFI_REMOVABLE_MEDIA_FILE_NAME_AARCH64 L"\\EFI\\BOOT\\BOOTAA64.EFI"\r
d3abb40d 2212#define EFI_REMOVABLE_MEDIA_FILE_NAME_RISCV64 L"\\EFI\\BOOT\\BOOTRISCV64.EFI"\r
959ccb23 2213\r
db2338af 2214#if !defined(EFI_REMOVABLE_MEDIA_FILE_NAME)\r
959ccb23 2215#if defined (MDE_CPU_IA32)\r
2216 #define EFI_REMOVABLE_MEDIA_FILE_NAME EFI_REMOVABLE_MEDIA_FILE_NAME_IA32\r
959ccb23 2217#elif defined (MDE_CPU_X64)\r
2218 #define EFI_REMOVABLE_MEDIA_FILE_NAME EFI_REMOVABLE_MEDIA_FILE_NAME_X64\r
2219#elif defined (MDE_CPU_EBC)\r
ebd04fc2 2220#elif defined (MDE_CPU_ARM)\r
2221 #define EFI_REMOVABLE_MEDIA_FILE_NAME EFI_REMOVABLE_MEDIA_FILE_NAME_ARM\r
b4319afb
HL
2222#elif defined (MDE_CPU_AARCH64)\r
2223 #define EFI_REMOVABLE_MEDIA_FILE_NAME EFI_REMOVABLE_MEDIA_FILE_NAME_AARCH64\r
d3abb40d
AC
2224#elif defined (MDE_CPU_RISCV64)\r
2225 #define EFI_REMOVABLE_MEDIA_FILE_NAME EFI_REMOVABLE_MEDIA_FILE_NAME_RISCV64\r
959ccb23 2226#else\r
2227 #error Unknown Processor Type\r
2228#endif\r
db2338af 2229#endif\r
959ccb23 2230\r
1cf40fbc
CC
2231//\r
2232// The directory within the active EFI System Partition defined for delivery of capsule to firmware\r
2233//\r
2234#define EFI_CAPSULE_FILE_DIRECTORY L"\\EFI\\UpdateCapsule\\"\r
2235\r
959ccb23 2236#include <Uefi/UefiPxe.h>\r
2237#include <Uefi/UefiGpt.h>\r
2238#include <Uefi/UefiInternalFormRepresentation.h>\r
2239\r
2240#endif\r