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959ccb23 1/** @file\r
e0c047a0 2 Include file that supports UEFI.\r
959ccb23 3\r
fee5ea2c
HW
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
9095d37b 8Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
9344f092 9SPDX-License-Identifier: BSD-2-Clause-Patent\r
959ccb23 10\r
959ccb23 11**/\r
12\r
13#ifndef __UEFI_SPEC_H__\r
14#define __UEFI_SPEC_H__\r
15\r
16#include <Uefi/UefiMultiPhase.h>\r
17\r
18#include <Protocol/DevicePath.h>\r
19#include <Protocol/SimpleTextIn.h>\r
2be21afb 20#include <Protocol/SimpleTextInEx.h>\r
959ccb23 21#include <Protocol/SimpleTextOut.h>\r
22\r
8b13229b 23///\r
2a3f6a21 24/// Enumeration of EFI memory allocation types.\r
8b13229b 25///\r
959ccb23 26typedef enum {\r
2a3f6a21 27 ///\r
af2dc6a7 28 /// Allocate any available range of pages that satisfies the request.\r
2a3f6a21 29 ///\r
959ccb23 30 AllocateAnyPages,\r
2a3f6a21 31 ///\r
9095d37b 32 /// Allocate any available range of pages whose uppermost address is less than\r
af2dc6a7 33 /// or equal to a specified maximum address.\r
2a3f6a21 34 ///\r
959ccb23 35 AllocateMaxAddress,\r
2a3f6a21 36 ///\r
af2dc6a7 37 /// Allocate pages at a specified address.\r
2a3f6a21 38 ///\r
959ccb23 39 AllocateAddress,\r
2a3f6a21 40 ///\r
af2dc6a7 41 /// Maximum enumeration value that may be used for bounds checking.\r
2a3f6a21 42 ///\r
959ccb23 43 MaxAllocateType\r
44} EFI_ALLOCATE_TYPE;\r
45\r
5413e8e8 46//\r
47// Bit definitions for EFI_TIME.Daylight\r
48//\r
49#define EFI_TIME_ADJUST_DAYLIGHT 0x01\r
50#define EFI_TIME_IN_DAYLIGHT 0x02\r
51\r
8b13229b 52///\r
af2dc6a7 53/// Value definition for EFI_TIME.TimeZone.\r
8b13229b 54///\r
5413e8e8 55#define EFI_UNSPECIFIED_TIMEZONE 0x07FF\r
959ccb23 56\r
57//\r
e0c047a0 58// Memory cacheability attributes\r
959ccb23 59//\r
e919c766
SZ
60#define EFI_MEMORY_UC 0x0000000000000001ULL\r
61#define EFI_MEMORY_WC 0x0000000000000002ULL\r
62#define EFI_MEMORY_WT 0x0000000000000004ULL\r
63#define EFI_MEMORY_WB 0x0000000000000008ULL\r
64#define EFI_MEMORY_UCE 0x0000000000000010ULL\r
959ccb23 65//\r
e0c047a0 66// Physical memory protection attributes\r
959ccb23 67//\r
ecde59b2
SZ
68// Note: UEFI spec 2.5 and following: use EFI_MEMORY_RO as write-protected physical memory\r
69// protection attribute. Also, EFI_MEMORY_WP means cacheability attribute.\r
70//\r
e919c766
SZ
71#define EFI_MEMORY_WP 0x0000000000001000ULL\r
72#define EFI_MEMORY_RP 0x0000000000002000ULL\r
73#define EFI_MEMORY_XP 0x0000000000004000ULL\r
74#define EFI_MEMORY_RO 0x0000000000020000ULL\r
e0c047a0 75//\r
9095d37b 76// Physical memory persistence attribute.\r
6c98edac
LG
77// The memory region supports byte-addressable non-volatility.\r
78//\r
e919c766
SZ
79#define EFI_MEMORY_NV 0x0000000000008000ULL\r
80//\r
81// The memory region provides higher reliability relative to other memory in the system.\r
82// If all memory has the same reliability, then this bit is not used.\r
83//\r
84#define EFI_MEMORY_MORE_RELIABLE 0x0000000000010000ULL\r
6c98edac 85//\r
e0c047a0 86// Runtime memory attribute\r
87//\r
e919c766 88#define EFI_MEMORY_RUNTIME 0x8000000000000000ULL\r
959ccb23 89\r
8b13229b 90///\r
af2dc6a7 91/// Memory descriptor version number.\r
8b13229b 92///\r
959ccb23 93#define EFI_MEMORY_DESCRIPTOR_VERSION 1\r
e0c047a0 94\r
95///\r
af2dc6a7 96/// Definition of an EFI memory descriptor.\r
e0c047a0 97///\r
959ccb23 98typedef struct {\r
2a3f6a21 99 ///\r
5779d550
DB
100 /// Type of the memory region.\r
101 /// Type EFI_MEMORY_TYPE is defined in the\r
102 /// AllocatePages() function description.\r
2a3f6a21 103 ///\r
00edb218 104 UINT32 Type;\r
2a3f6a21 105 ///\r
5779d550
DB
106 /// Physical address of the first byte in the memory region. PhysicalStart must be\r
107 /// aligned on a 4 KiB boundary, and must not be above 0xfffffffffffff000. Type\r
108 /// EFI_PHYSICAL_ADDRESS is defined in the AllocatePages() function description\r
2a3f6a21 109 ///\r
00edb218 110 EFI_PHYSICAL_ADDRESS PhysicalStart;\r
2a3f6a21 111 ///\r
5779d550
DB
112 /// Virtual address of the first byte in the memory region.\r
113 /// VirtualStart must be aligned on a 4 KiB boundary,\r
114 /// and must not be above 0xfffffffffffff000.\r
2a3f6a21 115 ///\r
00edb218 116 EFI_VIRTUAL_ADDRESS VirtualStart;\r
2a3f6a21 117 ///\r
5779d550
DB
118 /// NumberOfPagesNumber of 4 KiB pages in the memory region.\r
119 /// NumberOfPages must not be 0, and must not be any value\r
120 /// that would represent a memory page with a start address,\r
121 /// either physical or virtual, above 0xfffffffffffff000.\r
2a3f6a21 122 ///\r
00edb218 123 UINT64 NumberOfPages;\r
2a3f6a21 124 ///\r
125 /// Attributes of the memory region that describe the bit mask of capabilities\r
9095d37b 126 /// for that memory region, and not necessarily the current settings for that\r
2a3f6a21 127 /// memory region.\r
128 ///\r
00edb218 129 UINT64 Attribute;\r
959ccb23 130} EFI_MEMORY_DESCRIPTOR;\r
131\r
959ccb23 132/**\r
133 Allocates memory pages from the system.\r
134\r
d3d92557
FT
135 @param[in] Type The type of allocation to perform.\r
136 @param[in] MemoryType The type of memory to allocate.\r
ff9331e6
SZ
137 MemoryType values in the range 0x70000000..0x7FFFFFFF\r
138 are reserved for OEM use. MemoryType values in the range\r
139 0x80000000..0xFFFFFFFF are reserved for use by UEFI OS loaders\r
379f1cfe 140 that are provided by operating system vendors.\r
d3d92557
FT
141 @param[in] Pages The number of contiguous 4 KB pages to allocate.\r
142 @param[in, out] Memory The pointer to a physical address. On input, the way in which the address is\r
143 used depends on the value of Type.\r
959ccb23 144\r
145 @retval EFI_SUCCESS The requested pages were allocated.\r
146 @retval EFI_INVALID_PARAMETER 1) Type is not AllocateAnyPages or\r
147 AllocateMaxAddress or AllocateAddress.\r
148 2) MemoryType is in the range\r
ff9331e6 149 EfiMaxMemoryType..0x6FFFFFFF.\r
3e058701 150 3) Memory is NULL.\r
379f1cfe 151 4) MemoryType is EfiPersistentMemory.\r
959ccb23 152 @retval EFI_OUT_OF_RESOURCES The pages could not be allocated.\r
153 @retval EFI_NOT_FOUND The requested pages could not be found.\r
154\r
155**/\r
156typedef\r
157EFI_STATUS\r
8b13229b 158(EFIAPI *EFI_ALLOCATE_PAGES)(\r
959ccb23 159 IN EFI_ALLOCATE_TYPE Type,\r
160 IN EFI_MEMORY_TYPE MemoryType,\r
161 IN UINTN Pages,\r
162 IN OUT EFI_PHYSICAL_ADDRESS *Memory\r
163 );\r
164\r
165/**\r
166 Frees memory pages.\r
167\r
d3d92557
FT
168 @param[in] Memory The base physical address of the pages to be freed.\r
169 @param[in] Pages The number of contiguous 4 KB pages to free.\r
959ccb23 170\r
171 @retval EFI_SUCCESS The requested pages were freed.\r
172 @retval EFI_INVALID_PARAMETER Memory is not a page-aligned address or Pages is invalid.\r
173 @retval EFI_NOT_FOUND The requested memory pages were not allocated with\r
174 AllocatePages().\r
175\r
176**/\r
177typedef\r
178EFI_STATUS\r
8b13229b 179(EFIAPI *EFI_FREE_PAGES)(\r
959ccb23 180 IN EFI_PHYSICAL_ADDRESS Memory,\r
181 IN UINTN Pages\r
182 );\r
183\r
184/**\r
185 Returns the current memory map.\r
186\r
d3d92557
FT
187 @param[in, out] MemoryMapSize A pointer to the size, in bytes, of the MemoryMap buffer.\r
188 On input, this is the size of the buffer allocated by the caller.\r
189 On output, it is the size of the buffer returned by the firmware if\r
190 the buffer was large enough, or the size of the buffer needed to contain\r
191 the map if the buffer was too small.\r
192 @param[in, out] MemoryMap A pointer to the buffer in which firmware places the current memory\r
193 map.\r
194 @param[out] MapKey A pointer to the location in which firmware returns the key for the\r
195 current memory map.\r
196 @param[out] DescriptorSize A pointer to the location in which firmware returns the size, in bytes, of\r
197 an individual EFI_MEMORY_DESCRIPTOR.\r
198 @param[out] DescriptorVersion A pointer to the location in which firmware returns the version number\r
199 associated with the EFI_MEMORY_DESCRIPTOR.\r
959ccb23 200\r
201 @retval EFI_SUCCESS The memory map was returned in the MemoryMap buffer.\r
202 @retval EFI_BUFFER_TOO_SMALL The MemoryMap buffer was too small. The current buffer size\r
203 needed to hold the memory map is returned in MemoryMapSize.\r
204 @retval EFI_INVALID_PARAMETER 1) MemoryMapSize is NULL.\r
205 2) The MemoryMap buffer is not too small and MemoryMap is\r
206 NULL.\r
207\r
208**/\r
209typedef\r
210EFI_STATUS\r
8b13229b 211(EFIAPI *EFI_GET_MEMORY_MAP)(\r
959ccb23 212 IN OUT UINTN *MemoryMapSize,\r
213 IN OUT EFI_MEMORY_DESCRIPTOR *MemoryMap,\r
214 OUT UINTN *MapKey,\r
215 OUT UINTN *DescriptorSize,\r
216 OUT UINT32 *DescriptorVersion\r
217 );\r
218\r
219/**\r
220 Allocates pool memory.\r
221\r
d3d92557 222 @param[in] PoolType The type of pool to allocate.\r
ff9331e6
SZ
223 MemoryType values in the range 0x70000000..0x7FFFFFFF\r
224 are reserved for OEM use. MemoryType values in the range\r
225 0x80000000..0xFFFFFFFF are reserved for use by UEFI OS loaders\r
379f1cfe 226 that are provided by operating system vendors.\r
d3d92557
FT
227 @param[in] Size The number of bytes to allocate from the pool.\r
228 @param[out] Buffer A pointer to a pointer to the allocated buffer if the call succeeds;\r
959ccb23 229 undefined otherwise.\r
230\r
231 @retval EFI_SUCCESS The requested number of bytes was allocated.\r
232 @retval EFI_OUT_OF_RESOURCES The pool requested could not be allocated.\r
379f1cfe
SZ
233 @retval EFI_INVALID_PARAMETER Buffer is NULL.\r
234 PoolType is in the range EfiMaxMemoryType..0x6FFFFFFF.\r
235 PoolType is EfiPersistentMemory.\r
959ccb23 236\r
237**/\r
238typedef\r
239EFI_STATUS\r
8b13229b 240(EFIAPI *EFI_ALLOCATE_POOL)(\r
959ccb23 241 IN EFI_MEMORY_TYPE PoolType,\r
242 IN UINTN Size,\r
243 OUT VOID **Buffer\r
244 );\r
245\r
246/**\r
247 Returns pool memory to the system.\r
248\r
d3d92557 249 @param[in] Buffer The pointer to the buffer to free.\r
959ccb23 250\r
251 @retval EFI_SUCCESS The memory was returned to the system.\r
252 @retval EFI_INVALID_PARAMETER Buffer was invalid.\r
253\r
254**/\r
255typedef\r
256EFI_STATUS\r
8b13229b 257(EFIAPI *EFI_FREE_POOL)(\r
959ccb23 258 IN VOID *Buffer\r
259 );\r
260\r
261/**\r
262 Changes the runtime addressing mode of EFI firmware from physical to virtual.\r
263\r
d3d92557
FT
264 @param[in] MemoryMapSize The size in bytes of VirtualMap.\r
265 @param[in] DescriptorSize The size in bytes of an entry in the VirtualMap.\r
266 @param[in] DescriptorVersion The version of the structure entries in VirtualMap.\r
267 @param[in] VirtualMap An array of memory descriptors which contain new virtual\r
959ccb23 268 address mapping information for all runtime ranges.\r
269\r
270 @retval EFI_SUCCESS The virtual address map has been applied.\r
271 @retval EFI_UNSUPPORTED EFI firmware is not at runtime, or the EFI firmware is already in\r
272 virtual address mapped mode.\r
273 @retval EFI_INVALID_PARAMETER DescriptorSize or DescriptorVersion is invalid.\r
274 @retval EFI_NO_MAPPING A virtual address was not supplied for a range in the memory\r
275 map that requires a mapping.\r
276 @retval EFI_NOT_FOUND A virtual address was supplied for an address that is not found\r
277 in the memory map.\r
278\r
279**/\r
280typedef\r
281EFI_STATUS\r
8b13229b 282(EFIAPI *EFI_SET_VIRTUAL_ADDRESS_MAP)(\r
959ccb23 283 IN UINTN MemoryMapSize,\r
284 IN UINTN DescriptorSize,\r
285 IN UINT32 DescriptorVersion,\r
286 IN EFI_MEMORY_DESCRIPTOR *VirtualMap\r
287 );\r
288\r
289/**\r
290 Connects one or more drivers to a controller.\r
291\r
d3d92557
FT
292 @param[in] ControllerHandle The handle of the controller to which driver(s) are to be connected.\r
293 @param[in] DriverImageHandle A pointer to an ordered list handles that support the\r
294 EFI_DRIVER_BINDING_PROTOCOL.\r
295 @param[in] RemainingDevicePath A pointer to the device path that specifies a child of the\r
296 controller specified by ControllerHandle.\r
297 @param[in] Recursive If TRUE, then ConnectController() is called recursively\r
298 until the entire tree of controllers below the controller specified\r
299 by ControllerHandle have been created. If FALSE, then\r
300 the tree of controllers is only expanded one level.\r
959ccb23 301\r
302 @retval EFI_SUCCESS 1) One or more drivers were connected to ControllerHandle.\r
303 2) No drivers were connected to ControllerHandle, but\r
304 RemainingDevicePath is not NULL, and it is an End Device\r
305 Path Node.\r
18bd7e85 306 @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.\r
959ccb23 307 @retval EFI_NOT_FOUND 1) There are no EFI_DRIVER_BINDING_PROTOCOL instances\r
308 present in the system.\r
309 2) No drivers were connected to ControllerHandle.\r
9095d37b
LG
310 @retval EFI_SECURITY_VIOLATION\r
311 The user has no permission to start UEFI device drivers on the device path\r
b92b1209 312 associated with the ControllerHandle or specified by the RemainingDevicePath.\r
959ccb23 313**/\r
314typedef\r
315EFI_STATUS\r
8b13229b 316(EFIAPI *EFI_CONNECT_CONTROLLER)(\r
959ccb23 317 IN EFI_HANDLE ControllerHandle,\r
318 IN EFI_HANDLE *DriverImageHandle, OPTIONAL\r
319 IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath, OPTIONAL\r
320 IN BOOLEAN Recursive\r
321 );\r
322\r
323/**\r
324 Disconnects one or more drivers from a controller.\r
325\r
d3d92557
FT
326 @param[in] ControllerHandle The handle of the controller from which driver(s) are to be disconnected.\r
327 @param[in] DriverImageHandle The driver to disconnect from ControllerHandle.\r
328 If DriverImageHandle is NULL, then all the drivers currently managing\r
329 ControllerHandle are disconnected from ControllerHandle.\r
330 @param[in] ChildHandle The handle of the child to destroy.\r
331 If ChildHandle is NULL, then all the children of ControllerHandle are\r
332 destroyed before the drivers are disconnected from ControllerHandle.\r
959ccb23 333\r
334 @retval EFI_SUCCESS 1) One or more drivers were disconnected from the controller.\r
335 2) On entry, no drivers are managing ControllerHandle.\r
336 3) DriverImageHandle is not NULL, and on entry\r
337 DriverImageHandle is not managing ControllerHandle.\r
d9de7921 338 @retval EFI_INVALID_PARAMETER 1) ControllerHandle is NULL.\r
e0c047a0 339 2) DriverImageHandle is not NULL, and it is not a valid EFI_HANDLE.\r
340 3) ChildHandle is not NULL, and it is not a valid EFI_HANDLE.\r
341 4) DriverImageHandle does not support the EFI_DRIVER_BINDING_PROTOCOL.\r
959ccb23 342 @retval EFI_OUT_OF_RESOURCES There are not enough resources available to disconnect any drivers from\r
343 ControllerHandle.\r
344 @retval EFI_DEVICE_ERROR The controller could not be disconnected because of a device error.\r
345\r
346**/\r
347typedef\r
348EFI_STATUS\r
8b13229b 349(EFIAPI *EFI_DISCONNECT_CONTROLLER)(\r
959ccb23 350 IN EFI_HANDLE ControllerHandle,\r
351 IN EFI_HANDLE DriverImageHandle, OPTIONAL\r
352 IN EFI_HANDLE ChildHandle OPTIONAL\r
353 );\r
354\r
355\r
356\r
357//\r
358// ConvertPointer DebugDisposition type.\r
359//\r
360#define EFI_OPTIONAL_PTR 0x00000001\r
959ccb23 361\r
362/**\r
363 Determines the new virtual address that is to be used on subsequent memory accesses.\r
364\r
d3d92557
FT
365 @param[in] DebugDisposition Supplies type information for the pointer being converted.\r
366 @param[in, out] Address A pointer to a pointer that is to be fixed to be the value needed\r
367 for the new virtual address mappings being applied.\r
959ccb23 368\r
369 @retval EFI_SUCCESS The pointer pointed to by Address was modified.\r
370 @retval EFI_INVALID_PARAMETER 1) Address is NULL.\r
371 2) *Address is NULL and DebugDisposition does\r
372 not have the EFI_OPTIONAL_PTR bit set.\r
373 @retval EFI_NOT_FOUND The pointer pointed to by Address was not found to be part\r
374 of the current memory map. This is normally fatal.\r
375\r
376**/\r
377typedef\r
378EFI_STATUS\r
8b13229b 379(EFIAPI *EFI_CONVERT_POINTER)(\r
959ccb23 380 IN UINTN DebugDisposition,\r
381 IN OUT VOID **Address\r
382 );\r
383\r
384\r
385//\r
ac644614 386// These types can be ORed together as needed - for example,\r
93ce5aca 387// EVT_TIMER might be Ored with EVT_NOTIFY_WAIT or\r
959ccb23 388// EVT_NOTIFY_SIGNAL.\r
389//\r
00edb218
A
390#define EVT_TIMER 0x80000000\r
391#define EVT_RUNTIME 0x40000000\r
00edb218
A
392#define EVT_NOTIFY_WAIT 0x00000100\r
393#define EVT_NOTIFY_SIGNAL 0x00000200\r
93ce5aca 394\r
00edb218 395#define EVT_SIGNAL_EXIT_BOOT_SERVICES 0x00000201\r
93ce5aca 396#define EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE 0x60000202\r
959ccb23 397\r
398//\r
ac644614 399// The event's NotifyContext pointer points to a runtime memory\r
d0c64728 400// address.\r
959ccb23 401// The event is deprecated in UEFI2.0 and later specifications.\r
d0c64728 402//\r
959ccb23 403#define EVT_RUNTIME_CONTEXT 0x20000000\r
404\r
405\r
406/**\r
407 Invoke a notification event\r
408\r
d3d92557
FT
409 @param[in] Event Event whose notification function is being invoked.\r
410 @param[in] Context The pointer to the notification function's context,\r
411 which is implementation-dependent.\r
959ccb23 412\r
413**/\r
414typedef\r
415VOID\r
8b13229b 416(EFIAPI *EFI_EVENT_NOTIFY)(\r
959ccb23 417 IN EFI_EVENT Event,\r
418 IN VOID *Context\r
419 );\r
420\r
421/**\r
422 Creates an event.\r
423\r
d3d92557
FT
424 @param[in] Type The type of event to create and its mode and attributes.\r
425 @param[in] NotifyTpl The task priority level of event notifications, if needed.\r
426 @param[in] NotifyFunction The pointer to the event's notification function, if any.\r
427 @param[in] NotifyContext The pointer to the notification function's context; corresponds to parameter\r
959ccb23 428 Context in the notification function.\r
d3d92557 429 @param[out] Event The pointer to the newly created event if the call succeeds; undefined\r
959ccb23 430 otherwise.\r
431\r
432 @retval EFI_SUCCESS The event structure was created.\r
433 @retval EFI_INVALID_PARAMETER One or more parameters are invalid.\r
434 @retval EFI_OUT_OF_RESOURCES The event could not be allocated.\r
435\r
436**/\r
437typedef\r
438EFI_STATUS\r
8b13229b 439(EFIAPI *EFI_CREATE_EVENT)(\r
959ccb23 440 IN UINT32 Type,\r
441 IN EFI_TPL NotifyTpl,\r
442 IN EFI_EVENT_NOTIFY NotifyFunction,\r
443 IN VOID *NotifyContext,\r
444 OUT EFI_EVENT *Event\r
445 );\r
446\r
447/**\r
448 Creates an event in a group.\r
449\r
d3d92557
FT
450 @param[in] Type The type of event to create and its mode and attributes.\r
451 @param[in] NotifyTpl The task priority level of event notifications,if needed.\r
452 @param[in] NotifyFunction The pointer to the event's notification function, if any.\r
453 @param[in] NotifyContext The pointer to the notification function's context; corresponds to parameter\r
959ccb23 454 Context in the notification function.\r
d3d92557 455 @param[in] EventGroup The pointer to the unique identifier of the group to which this event belongs.\r
e0c047a0 456 If this is NULL, then the function behaves as if the parameters were passed\r
457 to CreateEvent.\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_EX)(\r
959ccb23 469 IN UINT32 Type,\r
e0c047a0 470 IN EFI_TPL NotifyTpl,\r
959ccb23 471 IN EFI_EVENT_NOTIFY NotifyFunction OPTIONAL,\r
472 IN CONST VOID *NotifyContext OPTIONAL,\r
473 IN CONST EFI_GUID *EventGroup OPTIONAL,\r
474 OUT EFI_EVENT *Event\r
475 );\r
476\r
e0c047a0 477///\r
478/// Timer delay types\r
479///\r
959ccb23 480typedef enum {\r
2a3f6a21 481 ///\r
af2dc6a7 482 /// An event's timer settings is to be cancelled and not trigger time is to be set/\r
2a3f6a21 483 ///\r
959ccb23 484 TimerCancel,\r
2a3f6a21 485 ///\r
93e8d03c 486 /// An event is to be signaled periodically at a specified interval from the current time.\r
2a3f6a21 487 ///\r
959ccb23 488 TimerPeriodic,\r
2a3f6a21 489 ///\r
93e8d03c 490 /// An event is to be signaled once at a specified interval from the current time.\r
2a3f6a21 491 ///\r
959ccb23 492 TimerRelative\r
493} EFI_TIMER_DELAY;\r
494\r
495/**\r
496 Sets the type of timer and the trigger time for a timer event.\r
497\r
d3d92557
FT
498 @param[in] Event The timer event that is to be signaled at the specified time.\r
499 @param[in] Type The type of time that is specified in TriggerTime.\r
500 @param[in] TriggerTime The number of 100ns units until the timer expires.\r
e0c047a0 501 A TriggerTime of 0 is legal.\r
502 If Type is TimerRelative and TriggerTime is 0, then the timer\r
503 event will be signaled on the next timer tick.\r
504 If Type is TimerPeriodic and TriggerTime is 0, then the timer\r
505 event will be signaled on every timer tick.\r
959ccb23 506\r
507 @retval EFI_SUCCESS The event has been set to be signaled at the requested time.\r
508 @retval EFI_INVALID_PARAMETER Event or Type is not valid.\r
509\r
510**/\r
511typedef\r
512EFI_STATUS\r
8b13229b 513(EFIAPI *EFI_SET_TIMER)(\r
959ccb23 514 IN EFI_EVENT Event,\r
515 IN EFI_TIMER_DELAY Type,\r
516 IN UINT64 TriggerTime\r
517 );\r
518\r
519/**\r
520 Signals an event.\r
521\r
d3d92557 522 @param[in] Event The event to signal.\r
959ccb23 523\r
524 @retval EFI_SUCCESS The event has been signaled.\r
525\r
526**/\r
527typedef\r
528EFI_STATUS\r
8b13229b 529(EFIAPI *EFI_SIGNAL_EVENT)(\r
959ccb23 530 IN EFI_EVENT Event\r
531 );\r
532\r
533/**\r
534 Stops execution until an event is signaled.\r
535\r
d3d92557
FT
536 @param[in] NumberOfEvents The number of events in the Event array.\r
537 @param[in] Event An array of EFI_EVENT.\r
538 @param[out] Index The pointer to the index of the event which satisfied the wait condition.\r
959ccb23 539\r
540 @retval EFI_SUCCESS The event indicated by Index was signaled.\r
541 @retval EFI_INVALID_PARAMETER 1) NumberOfEvents is 0.\r
542 2) The event indicated by Index is of type\r
543 EVT_NOTIFY_SIGNAL.\r
544 @retval EFI_UNSUPPORTED The current TPL is not TPL_APPLICATION.\r
545\r
546**/\r
547typedef\r
548EFI_STATUS\r
8b13229b 549(EFIAPI *EFI_WAIT_FOR_EVENT)(\r
959ccb23 550 IN UINTN NumberOfEvents,\r
551 IN EFI_EVENT *Event,\r
552 OUT UINTN *Index\r
553 );\r
554\r
555/**\r
556 Closes an event.\r
557\r
d3d92557 558 @param[in] Event The event to close.\r
959ccb23 559\r
560 @retval EFI_SUCCESS The event has been closed.\r
561\r
562**/\r
563typedef\r
564EFI_STATUS\r
8b13229b 565(EFIAPI *EFI_CLOSE_EVENT)(\r
959ccb23 566 IN EFI_EVENT Event\r
567 );\r
568\r
569/**\r
570 Checks whether an event is in the signaled state.\r
571\r
d3d92557 572 @param[in] Event The event to check.\r
959ccb23 573\r
574 @retval EFI_SUCCESS The event is in the signaled state.\r
575 @retval EFI_NOT_READY The event is not in the signaled state.\r
576 @retval EFI_INVALID_PARAMETER Event is of type EVT_NOTIFY_SIGNAL.\r
577\r
578**/\r
579typedef\r
580EFI_STATUS\r
8b13229b 581(EFIAPI *EFI_CHECK_EVENT)(\r
959ccb23 582 IN EFI_EVENT Event\r
583 );\r
584\r
585\r
586//\r
e0c047a0 587// Task priority level\r
959ccb23 588//\r
589#define TPL_APPLICATION 4\r
590#define TPL_CALLBACK 8\r
591#define TPL_NOTIFY 16\r
592#define TPL_HIGH_LEVEL 31\r
593\r
594\r
595/**\r
596 Raises a task's priority level and returns its previous level.\r
597\r
d3d92557 598 @param[in] NewTpl The new task priority level.\r
959ccb23 599\r
e0c047a0 600 @return Previous task priority level\r
959ccb23 601\r
602**/\r
603typedef\r
604EFI_TPL\r
8b13229b 605(EFIAPI *EFI_RAISE_TPL)(\r
959ccb23 606 IN EFI_TPL NewTpl\r
607 );\r
608\r
609/**\r
610 Restores a task's priority level to its previous value.\r
611\r
d3d92557 612 @param[in] OldTpl The previous task priority level to restore.\r
959ccb23 613\r
614**/\r
615typedef\r
616VOID\r
8b13229b 617(EFIAPI *EFI_RESTORE_TPL)(\r
959ccb23 618 IN EFI_TPL OldTpl\r
619 );\r
620\r
621/**\r
622 Returns the value of a variable.\r
623\r
d3d92557
FT
624 @param[in] VariableName A Null-terminated string that is the name of the vendor's\r
625 variable.\r
626 @param[in] VendorGuid A unique identifier for the vendor.\r
627 @param[out] Attributes If not NULL, a pointer to the memory location to return the\r
628 attributes bitmask for the variable.\r
629 @param[in, out] DataSize On input, the size in bytes of the return Data buffer.\r
630 On output the size of data returned in Data.\r
61ce1aea
SZ
631 @param[out] Data The buffer to return the contents of the variable. May be NULL\r
632 with a zero DataSize in order to determine the size buffer needed.\r
959ccb23 633\r
e0c047a0 634 @retval EFI_SUCCESS The function completed successfully.\r
635 @retval EFI_NOT_FOUND The variable was not found.\r
636 @retval EFI_BUFFER_TOO_SMALL The DataSize is too small for the result.\r
637 @retval EFI_INVALID_PARAMETER VariableName is NULL.\r
638 @retval EFI_INVALID_PARAMETER VendorGuid is NULL.\r
639 @retval EFI_INVALID_PARAMETER DataSize is NULL.\r
640 @retval EFI_INVALID_PARAMETER The DataSize is not too small and Data is NULL.\r
641 @retval EFI_DEVICE_ERROR The variable could not be retrieved due to a hardware error.\r
642 @retval EFI_SECURITY_VIOLATION The variable could not be retrieved due to an authentication failure.\r
959ccb23 643\r
644**/\r
645typedef\r
646EFI_STATUS\r
8b13229b 647(EFIAPI *EFI_GET_VARIABLE)(\r
959ccb23 648 IN CHAR16 *VariableName,\r
649 IN EFI_GUID *VendorGuid,\r
650 OUT UINT32 *Attributes, OPTIONAL\r
651 IN OUT UINTN *DataSize,\r
61ce1aea 652 OUT VOID *Data OPTIONAL\r
959ccb23 653 );\r
654\r
655/**\r
656 Enumerates the current variable names.\r
657\r
6ca2bfa5
SZ
658 @param[in, out] VariableNameSize The size of the VariableName buffer. The size must be large\r
659 enough to fit input string supplied in VariableName buffer.\r
d3d92557
FT
660 @param[in, out] VariableName On input, supplies the last VariableName that was returned\r
661 by GetNextVariableName(). On output, returns the Nullterminated\r
662 string of the current variable.\r
663 @param[in, out] VendorGuid On input, supplies the last VendorGuid that was returned by\r
664 GetNextVariableName(). On output, returns the\r
665 VendorGuid of the current variable.\r
959ccb23 666\r
667 @retval EFI_SUCCESS The function completed successfully.\r
668 @retval EFI_NOT_FOUND The next variable was not found.\r
669 @retval EFI_BUFFER_TOO_SMALL The VariableNameSize is too small for the result.\r
6ca2bfa5 670 VariableNameSize has been updated with the size needed to complete the request.\r
e0c047a0 671 @retval EFI_INVALID_PARAMETER VariableNameSize is NULL.\r
672 @retval EFI_INVALID_PARAMETER VariableName is NULL.\r
673 @retval EFI_INVALID_PARAMETER VendorGuid is NULL.\r
6ca2bfa5
SZ
674 @retval EFI_INVALID_PARAMETER The input values of VariableName and VendorGuid are not a name and\r
675 GUID of an existing variable.\r
676 @retval EFI_INVALID_PARAMETER Null-terminator is not found in the first VariableNameSize bytes of\r
677 the input VariableName buffer.\r
959ccb23 678 @retval EFI_DEVICE_ERROR The variable could not be retrieved due to a hardware error.\r
679\r
680**/\r
681typedef\r
682EFI_STATUS\r
8b13229b 683(EFIAPI *EFI_GET_NEXT_VARIABLE_NAME)(\r
959ccb23 684 IN OUT UINTN *VariableNameSize,\r
685 IN OUT CHAR16 *VariableName,\r
686 IN OUT EFI_GUID *VendorGuid\r
687 );\r
688\r
689/**\r
690 Sets the value of a variable.\r
691\r
d3d92557 692 @param[in] VariableName A Null-terminated string that is the name of the vendor's variable.\r
db27cda5 693 Each VariableName is unique for each VendorGuid. VariableName must\r
694 contain 1 or more characters. If VariableName is an empty string,\r
695 then EFI_INVALID_PARAMETER is returned.\r
d3d92557
FT
696 @param[in] VendorGuid A unique identifier for the vendor.\r
697 @param[in] Attributes Attributes bitmask to set for the variable.\r
403170bb 698 @param[in] DataSize The size in bytes of the Data buffer. Unless the EFI_VARIABLE_APPEND_WRITE or\r
9095d37b
LG
699 EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS attribute is set, a size of zero\r
700 causes the variable to be deleted. When the EFI_VARIABLE_APPEND_WRITE attribute is\r
701 set, then a SetVariable() call with a DataSize of zero will not cause any change to\r
702 the variable value (the timestamp associated with the variable may be updated however\r
703 even if no new data value is provided,see the description of the\r
704 EFI_VARIABLE_AUTHENTICATION_2 descriptor below. In this case the DataSize will not\r
705 be zero since the EFI_VARIABLE_AUTHENTICATION_2 descriptor will be populated).\r
d3d92557 706 @param[in] Data The contents for the variable.\r
959ccb23 707\r
e0c047a0 708 @retval EFI_SUCCESS The firmware has successfully stored the variable and its data as\r
709 defined by the Attributes.\r
6675a21f 710 @retval EFI_INVALID_PARAMETER An invalid combination of attribute bits, name, and GUID was supplied, or the\r
e0c047a0 711 DataSize exceeds the maximum allowed.\r
db27cda5 712 @retval EFI_INVALID_PARAMETER VariableName is an empty string.\r
e0c047a0 713 @retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold the variable and its data.\r
714 @retval EFI_DEVICE_ERROR The variable could not be retrieved due to a hardware error.\r
715 @retval EFI_WRITE_PROTECTED The variable in question is read-only.\r
716 @retval EFI_WRITE_PROTECTED The variable in question cannot be deleted.\r
403170bb
ZC
717 @retval EFI_SECURITY_VIOLATION The variable could not be written due to EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACESS being set,\r
718 but the AuthInfo does NOT pass the validation check carried out by the firmware.\r
9095d37b 719\r
e0c047a0 720 @retval EFI_NOT_FOUND The variable trying to be updated or deleted was not found.\r
959ccb23 721\r
722**/\r
723typedef\r
724EFI_STATUS\r
8b13229b 725(EFIAPI *EFI_SET_VARIABLE)(\r
959ccb23 726 IN CHAR16 *VariableName,\r
727 IN EFI_GUID *VendorGuid,\r
728 IN UINT32 Attributes,\r
729 IN UINTN DataSize,\r
730 IN VOID *Data\r
731 );\r
732\r
733\r
e0c047a0 734///\r
735/// This provides the capabilities of the\r
736/// real time clock device as exposed through the EFI interfaces.\r
737///\r
959ccb23 738typedef struct {\r
1bf79370
LG
739 ///\r
740 /// Provides the reporting resolution of the real-time clock device in\r
741 /// counts per second. For a normal PC-AT CMOS RTC device, this\r
742 /// value would be 1 Hz, or 1, to indicate that the device only reports\r
743 /// the time to the resolution of 1 second.\r
744 ///\r
00edb218 745 UINT32 Resolution;\r
1bf79370
LG
746 ///\r
747 /// Provides the timekeeping accuracy of the real-time clock in an\r
748 /// error rate of 1E-6 parts per million. For a clock with an accuracy\r
749 /// of 50 parts per million, the value in this field would be\r
750 /// 50,000,000.\r
751 ///\r
00edb218 752 UINT32 Accuracy;\r
1bf79370 753 ///\r
de2314f8 754 /// A TRUE indicates that a time set operation clears the device's\r
1bf79370
LG
755 /// time below the Resolution reporting level. A FALSE\r
756 /// indicates that the state below the Resolution level of the\r
757 /// device is not cleared when the time is set. Normal PC-AT CMOS\r
758 /// RTC devices set this value to FALSE.\r
759 ///\r
00edb218 760 BOOLEAN SetsToZero;\r
959ccb23 761} EFI_TIME_CAPABILITIES;\r
762\r
763/**\r
764 Returns the current time and date information, and the time-keeping capabilities\r
765 of the hardware platform.\r
766\r
d3d92557
FT
767 @param[out] Time A pointer to storage to receive a snapshot of the current time.\r
768 @param[out] Capabilities An optional pointer to a buffer to receive the real time clock\r
959ccb23 769 device's capabilities.\r
770\r
771 @retval EFI_SUCCESS The operation completed successfully.\r
772 @retval EFI_INVALID_PARAMETER Time is NULL.\r
773 @retval EFI_DEVICE_ERROR The time could not be retrieved due to hardware error.\r
774\r
775**/\r
776typedef\r
777EFI_STATUS\r
8b13229b 778(EFIAPI *EFI_GET_TIME)(\r
959ccb23 779 OUT EFI_TIME *Time,\r
780 OUT EFI_TIME_CAPABILITIES *Capabilities OPTIONAL\r
781 );\r
782\r
783/**\r
784 Sets the current local time and date information.\r
785\r
d3d92557 786 @param[in] Time A pointer to the current time.\r
959ccb23 787\r
788 @retval EFI_SUCCESS The operation completed successfully.\r
789 @retval EFI_INVALID_PARAMETER A time field is out of range.\r
790 @retval EFI_DEVICE_ERROR The time could not be set due due to hardware error.\r
791\r
792**/\r
793typedef\r
794EFI_STATUS\r
8b13229b 795(EFIAPI *EFI_SET_TIME)(\r
959ccb23 796 IN EFI_TIME *Time\r
797 );\r
798\r
799/**\r
800 Returns the current wakeup alarm clock setting.\r
801\r
d3d92557
FT
802 @param[out] Enabled Indicates if the alarm is currently enabled or disabled.\r
803 @param[out] Pending Indicates if the alarm signal is pending and requires acknowledgement.\r
804 @param[out] Time The current alarm setting.\r
959ccb23 805\r
806 @retval EFI_SUCCESS The alarm settings were returned.\r
e0c047a0 807 @retval EFI_INVALID_PARAMETER Enabled is NULL.\r
808 @retval EFI_INVALID_PARAMETER Pending is NULL.\r
809 @retval EFI_INVALID_PARAMETER Time is NULL.\r
959ccb23 810 @retval EFI_DEVICE_ERROR The wakeup time could not be retrieved due to a hardware error.\r
e0c047a0 811 @retval EFI_UNSUPPORTED A wakeup timer is not supported on this platform.\r
959ccb23 812\r
813**/\r
814typedef\r
815EFI_STATUS\r
8b13229b 816(EFIAPI *EFI_GET_WAKEUP_TIME)(\r
959ccb23 817 OUT BOOLEAN *Enabled,\r
818 OUT BOOLEAN *Pending,\r
819 OUT EFI_TIME *Time\r
820 );\r
821\r
822/**\r
823 Sets the system wakeup alarm clock time.\r
824\r
d3d92557
FT
825 @param[in] Enable Enable or disable the wakeup alarm.\r
826 @param[in] Time If Enable is TRUE, the time to set the wakeup alarm for.\r
e0c047a0 827 If Enable is FALSE, then this parameter is optional, and may be NULL.\r
959ccb23 828\r
829 @retval EFI_SUCCESS If Enable is TRUE, then the wakeup alarm was enabled. If\r
830 Enable is FALSE, then the wakeup alarm was disabled.\r
831 @retval EFI_INVALID_PARAMETER A time field is out of range.\r
832 @retval EFI_DEVICE_ERROR The wakeup time could not be set due to a hardware error.\r
833 @retval EFI_UNSUPPORTED A wakeup timer is not supported on this platform.\r
834\r
835**/\r
836typedef\r
837EFI_STATUS\r
8b13229b 838(EFIAPI *EFI_SET_WAKEUP_TIME)(\r
959ccb23 839 IN BOOLEAN Enable,\r
840 IN EFI_TIME *Time OPTIONAL\r
841 );\r
842\r
959ccb23 843/**\r
844 Loads an EFI image into memory.\r
845\r
d3d92557
FT
846 @param[in] BootPolicy If TRUE, indicates that the request originates from the boot\r
847 manager, and that the boot manager is attempting to load\r
848 FilePath as a boot selection. Ignored if SourceBuffer is\r
849 not NULL.\r
850 @param[in] ParentImageHandle The caller's image handle.\r
851 @param[in] DevicePath The DeviceHandle specific file path from which the image is\r
852 loaded.\r
853 @param[in] SourceBuffer If not NULL, a pointer to the memory location containing a copy\r
854 of the image to be loaded.\r
855 @param[in] SourceSize The size in bytes of SourceBuffer. Ignored if SourceBuffer is NULL.\r
856 @param[out] ImageHandle The pointer to the returned image handle that is created when the\r
857 image is successfully loaded.\r
858\r
859 @retval EFI_SUCCESS Image was loaded into memory correctly.\r
860 @retval EFI_NOT_FOUND Both SourceBuffer and DevicePath are NULL.\r
861 @retval EFI_INVALID_PARAMETER One or more parametes are invalid.\r
862 @retval EFI_UNSUPPORTED The image type is not supported.\r
863 @retval EFI_OUT_OF_RESOURCES Image was not loaded due to insufficient resources.\r
864 @retval EFI_LOAD_ERROR Image was not loaded because the image format was corrupt or not\r
865 understood.\r
866 @retval EFI_DEVICE_ERROR Image was not loaded because the device returned a read error.\r
9095d37b 867 @retval EFI_ACCESS_DENIED Image was not loaded because the platform policy prohibits the\r
d3d92557 868 image from being loaded. NULL is returned in *ImageHandle.\r
9095d37b
LG
869 @retval EFI_SECURITY_VIOLATION Image was loaded and an ImageHandle was created with a\r
870 valid EFI_LOADED_IMAGE_PROTOCOL. However, the current\r
d3d92557 871 platform policy specifies that the image should not be started.\r
959ccb23 872**/\r
873typedef\r
874EFI_STATUS\r
8b13229b 875(EFIAPI *EFI_IMAGE_LOAD)(\r
959ccb23 876 IN BOOLEAN BootPolicy,\r
877 IN EFI_HANDLE ParentImageHandle,\r
e0c047a0 878 IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,\r
959ccb23 879 IN VOID *SourceBuffer OPTIONAL,\r
880 IN UINTN SourceSize,\r
881 OUT EFI_HANDLE *ImageHandle\r
882 );\r
883\r
884/**\r
885 Transfers control to a loaded image's entry point.\r
886\r
d3d92557
FT
887 @param[in] ImageHandle Handle of image to be started.\r
888 @param[out] ExitDataSize The pointer to the size, in bytes, of ExitData.\r
889 @param[out] ExitData The pointer to a pointer to a data buffer that includes a Null-terminated\r
890 string, optionally followed by additional binary data.\r
959ccb23 891\r
b92b1209
LG
892 @retval EFI_INVALID_PARAMETER ImageHandle is either an invalid image handle or the image\r
893 has already been initialized with StartImage.\r
894 @retval EFI_SECURITY_VIOLATION The current platform policy specifies that the image should not be started.\r
e0c047a0 895 @return Exit code from image\r
959ccb23 896\r
897**/\r
898typedef\r
899EFI_STATUS\r
8b13229b 900(EFIAPI *EFI_IMAGE_START)(\r
959ccb23 901 IN EFI_HANDLE ImageHandle,\r
902 OUT UINTN *ExitDataSize,\r
903 OUT CHAR16 **ExitData OPTIONAL\r
904 );\r
905\r
906/**\r
907 Terminates a loaded EFI image and returns control to boot services.\r
908\r
9095d37b 909 @param[in] ImageHandle Handle that identifies the image. This parameter is passed to the\r
fbf926ad 910 image on entry.\r
d3d92557
FT
911 @param[in] ExitStatus The image's exit code.\r
912 @param[in] ExitDataSize The size, in bytes, of ExitData. Ignored if ExitStatus is EFI_SUCCESS.\r
913 @param[in] ExitData The pointer to a data buffer that includes a Null-terminated string,\r
9095d37b
LG
914 optionally followed by additional binary data. The string is a\r
915 description that the caller may use to further indicate the reason\r
916 for the image's exit. ExitData is only valid if ExitStatus\r
917 is something other than EFI_SUCCESS. The ExitData buffer\r
fbf926ad 918 must be allocated by calling AllocatePool().\r
959ccb23 919\r
920 @retval EFI_SUCCESS The image specified by ImageHandle was unloaded.\r
921 @retval EFI_INVALID_PARAMETER The image specified by ImageHandle has been loaded and\r
922 started with LoadImage() and StartImage(), but the\r
923 image is not the currently executing image.\r
924\r
925**/\r
926typedef\r
927EFI_STATUS\r
8b13229b 928(EFIAPI *EFI_EXIT)(\r
959ccb23 929 IN EFI_HANDLE ImageHandle,\r
930 IN EFI_STATUS ExitStatus,\r
931 IN UINTN ExitDataSize,\r
932 IN CHAR16 *ExitData OPTIONAL\r
933 );\r
934\r
935/**\r
936 Unloads an image.\r
937\r
d3d92557 938 @param[in] ImageHandle Handle that identifies the image to be unloaded.\r
959ccb23 939\r
940 @retval EFI_SUCCESS The image has been unloaded.\r
941 @retval EFI_INVALID_PARAMETER ImageHandle is not a valid image handle.\r
959ccb23 942\r
943**/\r
944typedef\r
945EFI_STATUS\r
8b13229b 946(EFIAPI *EFI_IMAGE_UNLOAD)(\r
959ccb23 947 IN EFI_HANDLE ImageHandle\r
948 );\r
949\r
950/**\r
951 Terminates all boot services.\r
952\r
d3d92557
FT
953 @param[in] ImageHandle Handle that identifies the exiting image.\r
954 @param[in] MapKey Key to the latest memory map.\r
959ccb23 955\r
956 @retval EFI_SUCCESS Boot services have been terminated.\r
957 @retval EFI_INVALID_PARAMETER MapKey is incorrect.\r
958\r
959**/\r
960typedef\r
961EFI_STATUS\r
8b13229b 962(EFIAPI *EFI_EXIT_BOOT_SERVICES)(\r
959ccb23 963 IN EFI_HANDLE ImageHandle,\r
964 IN UINTN MapKey\r
965 );\r
966\r
967/**\r
968 Induces a fine-grained stall.\r
969\r
d3d92557 970 @param[in] Microseconds The number of microseconds to stall execution.\r
959ccb23 971\r
972 @retval EFI_SUCCESS Execution was stalled at least the requested number of\r
973 Microseconds.\r
974\r
975**/\r
976typedef\r
977EFI_STATUS\r
8b13229b 978(EFIAPI *EFI_STALL)(\r
959ccb23 979 IN UINTN Microseconds\r
980 );\r
981\r
982/**\r
983 Sets the system's watchdog timer.\r
984\r
d3d92557
FT
985 @param[in] Timeout The number of seconds to set the watchdog timer to.\r
986 @param[in] WatchdogCode The numeric code to log on a watchdog timer timeout event.\r
987 @param[in] DataSize The size, in bytes, of WatchdogData.\r
988 @param[in] WatchdogData A data buffer that includes a Null-terminated string, optionally\r
959ccb23 989 followed by additional binary data.\r
990\r
991 @retval EFI_SUCCESS The timeout has been set.\r
992 @retval EFI_INVALID_PARAMETER The supplied WatchdogCode is invalid.\r
993 @retval EFI_UNSUPPORTED The system does not have a watchdog timer.\r
af2dc6a7 994 @retval EFI_DEVICE_ERROR The watchdog timer could not be programmed due to a hardware\r
959ccb23 995 error.\r
996\r
997**/\r
998typedef\r
999EFI_STATUS\r
8b13229b 1000(EFIAPI *EFI_SET_WATCHDOG_TIMER)(\r
959ccb23 1001 IN UINTN Timeout,\r
1002 IN UINT64 WatchdogCode,\r
1003 IN UINTN DataSize,\r
1004 IN CHAR16 *WatchdogData OPTIONAL\r
1005 );\r
1006\r
959ccb23 1007/**\r
1008 Resets the entire platform.\r
1009\r
d3d92557
FT
1010 @param[in] ResetType The type of reset to perform.\r
1011 @param[in] ResetStatus The status code for the reset.\r
e963b746 1012 @param[in] DataSize The size, in bytes, of ResetData.\r
d3d92557 1013 @param[in] ResetData For a ResetType of EfiResetCold, EfiResetWarm, or\r
959ccb23 1014 EfiResetShutdown the data buffer starts with a Null-terminated\r
fbf926ad 1015 string, optionally followed by additional binary data.\r
e963b746
RN
1016 The string is a description that the caller may use to further\r
1017 indicate the reason for the system reset. ResetData is only\r
1018 valid if ResetStatus is something other than EFI_SUCCESS\r
1019 unless the ResetType is EfiResetPlatformSpecific\r
1020 where a minimum amount of ResetData is always required.\r
28426918
DB
1021 For a ResetType of EfiResetPlatformSpecific the data buffer\r
1022 also starts with a Null-terminated string that is followed\r
1023 by an EFI_GUID that describes the specific type of reset to perform.\r
959ccb23 1024**/\r
1025typedef\r
1026VOID\r
8b13229b 1027(EFIAPI *EFI_RESET_SYSTEM)(\r
959ccb23 1028 IN EFI_RESET_TYPE ResetType,\r
1029 IN EFI_STATUS ResetStatus,\r
1030 IN UINTN DataSize,\r
b058028b 1031 IN VOID *ResetData OPTIONAL\r
959ccb23 1032 );\r
1033\r
1034/**\r
1035 Returns a monotonically increasing count for the platform.\r
1036\r
d3d92557 1037 @param[out] Count The pointer to returned value.\r
959ccb23 1038\r
1039 @retval EFI_SUCCESS The next monotonic count was returned.\r
1040 @retval EFI_INVALID_PARAMETER Count is NULL.\r
1041 @retval EFI_DEVICE_ERROR The device is not functioning properly.\r
1042\r
1043**/\r
1044typedef\r
1045EFI_STATUS\r
8b13229b 1046(EFIAPI *EFI_GET_NEXT_MONOTONIC_COUNT)(\r
959ccb23 1047 OUT UINT64 *Count\r
1048 );\r
1049\r
1050/**\r
1051 Returns the next high 32 bits of the platform's monotonic counter.\r
1052\r
d3d92557 1053 @param[out] HighCount The pointer to returned value.\r
959ccb23 1054\r
1055 @retval EFI_SUCCESS The next high monotonic count was returned.\r
1056 @retval EFI_INVALID_PARAMETER HighCount is NULL.\r
1057 @retval EFI_DEVICE_ERROR The device is not functioning properly.\r
1058\r
1059**/\r
1060typedef\r
1061EFI_STATUS\r
8b13229b 1062(EFIAPI *EFI_GET_NEXT_HIGH_MONO_COUNT)(\r
959ccb23 1063 OUT UINT32 *HighCount\r
1064 );\r
1065\r
1066/**\r
1067 Computes and returns a 32-bit CRC for a data buffer.\r
1068\r
d3d92557
FT
1069 @param[in] Data A pointer to the buffer on which the 32-bit CRC is to be computed.\r
1070 @param[in] DataSize The number of bytes in the buffer Data.\r
1071 @param[out] Crc32 The 32-bit CRC that was computed for the data buffer specified by Data\r
959ccb23 1072 and DataSize.\r
1073\r
1074 @retval EFI_SUCCESS The 32-bit CRC was computed for the data buffer and returned in\r
1075 Crc32.\r
e0c047a0 1076 @retval EFI_INVALID_PARAMETER Data is NULL.\r
1077 @retval EFI_INVALID_PARAMETER Crc32 is NULL.\r
1078 @retval EFI_INVALID_PARAMETER DataSize is 0.\r
959ccb23 1079\r
1080**/\r
1081typedef\r
1082EFI_STATUS\r
8b13229b 1083(EFIAPI *EFI_CALCULATE_CRC32)(\r
959ccb23 1084 IN VOID *Data,\r
1085 IN UINTN DataSize,\r
1086 OUT UINT32 *Crc32\r
1087 );\r
1088\r
1089/**\r
1090 Copies the contents of one buffer to another buffer.\r
1091\r
d3d92557
FT
1092 @param[in] Destination The pointer to the destination buffer of the memory copy.\r
1093 @param[in] Source The pointer to the source buffer of the memory copy.\r
1094 @param[in] Length Number of bytes to copy from Source to Destination.\r
959ccb23 1095\r
1096**/\r
1097typedef\r
1098VOID\r
8b13229b 1099(EFIAPI *EFI_COPY_MEM)(\r
959ccb23 1100 IN VOID *Destination,\r
1101 IN VOID *Source,\r
1102 IN UINTN Length\r
1103 );\r
1104\r
1105/**\r
1106 The SetMem() function fills a buffer with a specified value.\r
1107\r
d3d92557
FT
1108 @param[in] Buffer The pointer to the buffer to fill.\r
1109 @param[in] Size Number of bytes in Buffer to fill.\r
1110 @param[in] Value Value to fill Buffer with.\r
959ccb23 1111\r
1112**/\r
1113typedef\r
1114VOID\r
8b13229b 1115(EFIAPI *EFI_SET_MEM)(\r
959ccb23 1116 IN VOID *Buffer,\r
1117 IN UINTN Size,\r
1118 IN UINT8 Value\r
1119 );\r
1120\r
2a3f6a21 1121///\r
1122/// Enumeration of EFI Interface Types\r
1123///\r
959ccb23 1124typedef enum {\r
2a3f6a21 1125 ///\r
1126 /// Indicates that the supplied protocol interface is supplied in native form.\r
1127 ///\r
959ccb23 1128 EFI_NATIVE_INTERFACE\r
1129} EFI_INTERFACE_TYPE;\r
1130\r
1131/**\r
1132 Installs a protocol interface on a device handle. If the handle does not exist, it is created and added\r
1133 to the list of handles in the system. InstallMultipleProtocolInterfaces() performs\r
1134 more error checking than InstallProtocolInterface(), so it is recommended that\r
1135 InstallMultipleProtocolInterfaces() be used in place of\r
1136 InstallProtocolInterface()\r
1137\r
d3d92557
FT
1138 @param[in, out] Handle A pointer to the EFI_HANDLE on which the interface is to be installed.\r
1139 @param[in] Protocol The numeric ID of the protocol interface.\r
1140 @param[in] InterfaceType Indicates whether Interface is supplied in native form.\r
1141 @param[in] Interface A pointer to the protocol interface.\r
959ccb23 1142\r
1143 @retval EFI_SUCCESS The protocol interface was installed.\r
1144 @retval EFI_OUT_OF_RESOURCES Space for a new handle could not be allocated.\r
e0c047a0 1145 @retval EFI_INVALID_PARAMETER Handle is NULL.\r
1146 @retval EFI_INVALID_PARAMETER Protocol is NULL.\r
1147 @retval EFI_INVALID_PARAMETER InterfaceType is not EFI_NATIVE_INTERFACE.\r
1148 @retval EFI_INVALID_PARAMETER Protocol is already installed on the handle specified by Handle.\r
959ccb23 1149\r
1150**/\r
1151typedef\r
1152EFI_STATUS\r
8b13229b 1153(EFIAPI *EFI_INSTALL_PROTOCOL_INTERFACE)(\r
959ccb23 1154 IN OUT EFI_HANDLE *Handle,\r
1155 IN EFI_GUID *Protocol,\r
1156 IN EFI_INTERFACE_TYPE InterfaceType,\r
1157 IN VOID *Interface\r
1158 );\r
1159\r
1160/**\r
1161 Installs one or more protocol interfaces into the boot services environment.\r
1162\r
d3d92557 1163 @param[in, out] Handle The pointer to a handle to install the new protocol interfaces on,\r
4a23eaa9 1164 or a pointer to NULL if a new handle is to be allocated.\r
959ccb23 1165 @param ... A variable argument list containing pairs of protocol GUIDs and protocol\r
1166 interfaces.\r
1167\r
1168 @retval EFI_SUCCESS All the protocol interface was installed.\r
1169 @retval EFI_OUT_OF_RESOURCES There was not enough memory in pool to install all the protocols.\r
1170 @retval EFI_ALREADY_STARTED A Device Path Protocol instance was passed in that is already present in\r
1171 the handle database.\r
5a7b9bbe
SQ
1172 @retval EFI_INVALID_PARAMETER Handle is NULL.\r
1173 @retval EFI_INVALID_PARAMETER Protocol is already installed on the handle specified by Handle.\r
959ccb23 1174\r
1175**/\r
1176typedef\r
1177EFI_STATUS\r
8b13229b 1178(EFIAPI *EFI_INSTALL_MULTIPLE_PROTOCOL_INTERFACES)(\r
959ccb23 1179 IN OUT EFI_HANDLE *Handle,\r
1180 ...\r
1181 );\r
1182\r
1183/**\r
1184 Reinstalls a protocol interface on a device handle.\r
1185\r
d3d92557
FT
1186 @param[in] Handle Handle on which the interface is to be reinstalled.\r
1187 @param[in] Protocol The numeric ID of the interface.\r
1188 @param[in] OldInterface A pointer to the old interface. NULL can be used if a structure is not\r
959ccb23 1189 associated with Protocol.\r
d3d92557 1190 @param[in] NewInterface A pointer to the new interface.\r
959ccb23 1191\r
1192 @retval EFI_SUCCESS The protocol interface was reinstalled.\r
1193 @retval EFI_NOT_FOUND The OldInterface on the handle was not found.\r
1194 @retval EFI_ACCESS_DENIED The protocol interface could not be reinstalled,\r
1195 because OldInterface is still being used by a\r
1196 driver that will not release it.\r
18bd7e85 1197 @retval EFI_INVALID_PARAMETER Handle is NULL.\r
e0c047a0 1198 @retval EFI_INVALID_PARAMETER Protocol is NULL.\r
959ccb23 1199\r
1200**/\r
1201typedef\r
1202EFI_STATUS\r
8b13229b 1203(EFIAPI *EFI_REINSTALL_PROTOCOL_INTERFACE)(\r
959ccb23 1204 IN EFI_HANDLE Handle,\r
1205 IN EFI_GUID *Protocol,\r
1206 IN VOID *OldInterface,\r
1207 IN VOID *NewInterface\r
1208 );\r
1209\r
1210/**\r
1211 Removes a protocol interface from a device handle. It is recommended that\r
1212 UninstallMultipleProtocolInterfaces() be used in place of\r
1213 UninstallProtocolInterface().\r
1214\r
d3d92557
FT
1215 @param[in] Handle The handle on which the interface was installed.\r
1216 @param[in] Protocol The numeric ID of the interface.\r
1217 @param[in] Interface A pointer to the interface.\r
959ccb23 1218\r
1219 @retval EFI_SUCCESS The interface was removed.\r
1220 @retval EFI_NOT_FOUND The interface was not found.\r
1221 @retval EFI_ACCESS_DENIED The interface was not removed because the interface\r
1222 is still being used by a driver.\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_UNINSTALL_PROTOCOL_INTERFACE)(\r
959ccb23 1230 IN EFI_HANDLE Handle,\r
1231 IN EFI_GUID *Protocol,\r
1232 IN VOID *Interface\r
1233 );\r
1234\r
1235/**\r
1236 Removes one or more protocol interfaces into the boot services environment.\r
1237\r
d3d92557 1238 @param[in] Handle The handle to remove the protocol interfaces from.\r
959ccb23 1239 @param ... A variable argument list containing pairs of protocol GUIDs and\r
1240 protocol interfaces.\r
1241\r
1242 @retval EFI_SUCCESS All the protocol interfaces were removed.\r
1243 @retval EFI_INVALID_PARAMETER One of the protocol interfaces was not previously installed on Handle.\r
1244\r
1245**/\r
1246typedef\r
1247EFI_STATUS\r
8b13229b 1248(EFIAPI *EFI_UNINSTALL_MULTIPLE_PROTOCOL_INTERFACES)(\r
959ccb23 1249 IN EFI_HANDLE Handle,\r
1250 ...\r
1251 );\r
1252\r
1253/**\r
1254 Queries a handle to determine if it supports a specified protocol.\r
1255\r
d3d92557
FT
1256 @param[in] Handle The handle being queried.\r
1257 @param[in] Protocol The published unique identifier of the protocol.\r
1258 @param[out] Interface Supplies the address where a pointer to the corresponding Protocol\r
959ccb23 1259 Interface is returned.\r
e0c047a0 1260\r
959ccb23 1261 @retval EFI_SUCCESS The interface information for the specified protocol was returned.\r
1262 @retval EFI_UNSUPPORTED The device does not support the specified protocol.\r
18bd7e85 1263 @retval EFI_INVALID_PARAMETER Handle is NULL.\r
e0c047a0 1264 @retval EFI_INVALID_PARAMETER Protocol is NULL.\r
1265 @retval EFI_INVALID_PARAMETER Interface is NULL.\r
959ccb23 1266\r
1267**/\r
1268typedef\r
1269EFI_STATUS\r
8b13229b 1270(EFIAPI *EFI_HANDLE_PROTOCOL)(\r
959ccb23 1271 IN EFI_HANDLE Handle,\r
1272 IN EFI_GUID *Protocol,\r
1273 OUT VOID **Interface\r
1274 );\r
1275\r
1276#define EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL 0x00000001\r
1277#define EFI_OPEN_PROTOCOL_GET_PROTOCOL 0x00000002\r
1278#define EFI_OPEN_PROTOCOL_TEST_PROTOCOL 0x00000004\r
1279#define EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER 0x00000008\r
1280#define EFI_OPEN_PROTOCOL_BY_DRIVER 0x00000010\r
1281#define EFI_OPEN_PROTOCOL_EXCLUSIVE 0x00000020\r
1282\r
1283/**\r
1284 Queries a handle to determine if it supports a specified protocol. If the protocol is supported by the\r
1285 handle, it opens the protocol on behalf of the calling agent.\r
1286\r
d3d92557
FT
1287 @param[in] Handle The handle for the protocol interface that is being opened.\r
1288 @param[in] Protocol The published unique identifier of the protocol.\r
1289 @param[out] Interface Supplies the address where a pointer to the corresponding Protocol\r
959ccb23 1290 Interface is returned.\r
d3d92557 1291 @param[in] AgentHandle The handle of the agent that is opening the protocol interface\r
959ccb23 1292 specified by Protocol and Interface.\r
d3d92557 1293 @param[in] ControllerHandle If the agent that is opening a protocol is a driver that follows the\r
959ccb23 1294 UEFI Driver Model, then this parameter is the controller handle\r
1295 that requires the protocol interface. If the agent does not follow\r
1296 the UEFI Driver Model, then this parameter is optional and may\r
1297 be NULL.\r
d3d92557 1298 @param[in] Attributes The open mode of the protocol interface specified by Handle\r
959ccb23 1299 and Protocol.\r
1300\r
1301 @retval EFI_SUCCESS An item was added to the open list for the protocol interface, and the\r
1302 protocol interface was returned in Interface.\r
1303 @retval EFI_UNSUPPORTED Handle does not support Protocol.\r
1304 @retval EFI_INVALID_PARAMETER One or more parameters are invalid.\r
1305 @retval EFI_ACCESS_DENIED Required attributes can't be supported in current environment.\r
1306 @retval EFI_ALREADY_STARTED Item on the open list already has requierd attributes whose agent\r
1307 handle is the same as AgentHandle.\r
1308\r
1309**/\r
1310typedef\r
1311EFI_STATUS\r
8b13229b 1312(EFIAPI *EFI_OPEN_PROTOCOL)(\r
959ccb23 1313 IN EFI_HANDLE Handle,\r
1314 IN EFI_GUID *Protocol,\r
e0c047a0 1315 OUT VOID **Interface, OPTIONAL\r
959ccb23 1316 IN EFI_HANDLE AgentHandle,\r
e0c047a0 1317 IN EFI_HANDLE ControllerHandle,\r
959ccb23 1318 IN UINT32 Attributes\r
1319 );\r
1320\r
1321\r
1322/**\r
1323 Closes a protocol on a handle that was opened using OpenProtocol().\r
1324\r
d3d92557 1325 @param[in] Handle The handle for the protocol interface that was previously opened\r
959ccb23 1326 with OpenProtocol(), and is now being closed.\r
d3d92557
FT
1327 @param[in] Protocol The published unique identifier of the protocol.\r
1328 @param[in] AgentHandle The handle of the agent that is closing the protocol interface.\r
1329 @param[in] ControllerHandle If the agent that opened a protocol is a driver that follows the\r
959ccb23 1330 UEFI Driver Model, then this parameter is the controller handle\r
1331 that required the protocol interface.\r
1332\r
1333 @retval EFI_SUCCESS The protocol instance was closed.\r
d9de7921
RN
1334 @retval EFI_INVALID_PARAMETER 1) Handle is NULL.\r
1335 2) AgentHandle is NULL.\r
e0c047a0 1336 3) ControllerHandle is not NULL and ControllerHandle is not a valid EFI_HANDLE.\r
1337 4) Protocol is NULL.\r
959ccb23 1338 @retval EFI_NOT_FOUND 1) Handle does not support the protocol specified by Protocol.\r
1339 2) The protocol interface specified by Handle and Protocol is not\r
1340 currently open by AgentHandle and ControllerHandle.\r
1341\r
1342**/\r
1343typedef\r
1344EFI_STATUS\r
8b13229b 1345(EFIAPI *EFI_CLOSE_PROTOCOL)(\r
959ccb23 1346 IN EFI_HANDLE Handle,\r
1347 IN EFI_GUID *Protocol,\r
1348 IN EFI_HANDLE AgentHandle,\r
1349 IN EFI_HANDLE ControllerHandle\r
1350 );\r
1351\r
2a3f6a21 1352///\r
1353/// EFI Oprn Protocol Information Entry\r
1354///\r
959ccb23 1355typedef struct {\r
1356 EFI_HANDLE AgentHandle;\r
1357 EFI_HANDLE ControllerHandle;\r
1358 UINT32 Attributes;\r
1359 UINT32 OpenCount;\r
1360} EFI_OPEN_PROTOCOL_INFORMATION_ENTRY;\r
1361\r
1362/**\r
1363 Retrieves the list of agents that currently have a protocol interface opened.\r
1364\r
d3d92557
FT
1365 @param[in] Handle The handle for the protocol interface that is being queried.\r
1366 @param[in] Protocol The published unique identifier of the protocol.\r
1367 @param[out] EntryBuffer A pointer to a buffer of open protocol information in the form of\r
959ccb23 1368 EFI_OPEN_PROTOCOL_INFORMATION_ENTRY structures.\r
d3d92557 1369 @param[out] EntryCount A pointer to the number of entries in EntryBuffer.\r
959ccb23 1370\r
1371 @retval EFI_SUCCESS The open protocol information was returned in EntryBuffer, and the\r
1372 number of entries was returned EntryCount.\r
1373 @retval EFI_OUT_OF_RESOURCES There are not enough resources available to allocate EntryBuffer.\r
1374 @retval EFI_NOT_FOUND Handle does not support the protocol specified by Protocol.\r
1375\r
1376**/\r
1377typedef\r
1378EFI_STATUS\r
8b13229b 1379(EFIAPI *EFI_OPEN_PROTOCOL_INFORMATION)(\r
959ccb23 1380 IN EFI_HANDLE Handle,\r
1381 IN EFI_GUID *Protocol,\r
e0c047a0 1382 OUT EFI_OPEN_PROTOCOL_INFORMATION_ENTRY **EntryBuffer,\r
959ccb23 1383 OUT UINTN *EntryCount\r
1384 );\r
1385\r
1386/**\r
1387 Retrieves the list of protocol interface GUIDs that are installed on a handle in a buffer allocated\r
1388 from pool.\r
1389\r
d3d92557
FT
1390 @param[in] Handle The handle from which to retrieve the list of protocol interface\r
1391 GUIDs.\r
1392 @param[out] ProtocolBuffer A pointer to the list of protocol interface GUID pointers that are\r
1393 installed on Handle.\r
1394 @param[out] ProtocolBufferCount A pointer to the number of GUID pointers present in\r
1395 ProtocolBuffer.\r
959ccb23 1396\r
1397 @retval EFI_SUCCESS The list of protocol interface GUIDs installed on Handle was returned in\r
1398 ProtocolBuffer. The number of protocol interface GUIDs was\r
1399 returned in ProtocolBufferCount.\r
1400 @retval EFI_OUT_OF_RESOURCES There is not enough pool memory to store the results.\r
e0c047a0 1401 @retval EFI_INVALID_PARAMETER Handle is NULL.\r
1402 @retval EFI_INVALID_PARAMETER Handle is not a valid EFI_HANDLE.\r
1403 @retval EFI_INVALID_PARAMETER ProtocolBuffer is NULL.\r
1404 @retval EFI_INVALID_PARAMETER ProtocolBufferCount is NULL.\r
959ccb23 1405\r
1406**/\r
1407typedef\r
1408EFI_STATUS\r
8b13229b 1409(EFIAPI *EFI_PROTOCOLS_PER_HANDLE)(\r
959ccb23 1410 IN EFI_HANDLE Handle,\r
1411 OUT EFI_GUID ***ProtocolBuffer,\r
1412 OUT UINTN *ProtocolBufferCount\r
1413 );\r
1414\r
1415/**\r
1416 Creates an event that is to be signaled whenever an interface is installed for a specified protocol.\r
1417\r
d3d92557
FT
1418 @param[in] Protocol The numeric ID of the protocol for which the event is to be registered.\r
1419 @param[in] Event Event that is to be signaled whenever a protocol interface is registered\r
959ccb23 1420 for Protocol.\r
d3d92557 1421 @param[out] Registration A pointer to a memory location to receive the registration value.\r
959ccb23 1422\r
1423 @retval EFI_SUCCESS The notification event has been registered.\r
1424 @retval EFI_OUT_OF_RESOURCES Space for the notification event could not be allocated.\r
e0c047a0 1425 @retval EFI_INVALID_PARAMETER Protocol is NULL.\r
1426 @retval EFI_INVALID_PARAMETER Event is NULL.\r
1427 @retval EFI_INVALID_PARAMETER Registration is NULL.\r
959ccb23 1428\r
1429**/\r
1430typedef\r
1431EFI_STATUS\r
8b13229b 1432(EFIAPI *EFI_REGISTER_PROTOCOL_NOTIFY)(\r
959ccb23 1433 IN EFI_GUID *Protocol,\r
1434 IN EFI_EVENT Event,\r
1435 OUT VOID **Registration\r
1436 );\r
1437\r
2a3f6a21 1438///\r
1439/// Enumeration of EFI Locate Search Types\r
1440///\r
959ccb23 1441typedef enum {\r
2a3f6a21 1442 ///\r
1443 /// Retrieve all the handles in the handle database.\r
1444 ///\r
959ccb23 1445 AllHandles,\r
2a3f6a21 1446 ///\r
1447 /// Retrieve the next handle fron a RegisterProtocolNotify() event.\r
1448 ///\r
959ccb23 1449 ByRegisterNotify,\r
2a3f6a21 1450 ///\r
9095d37b 1451 /// Retrieve the set of handles from the handle database that support a\r
2a3f6a21 1452 /// specified protocol.\r
1453 ///\r
959ccb23 1454 ByProtocol\r
1455} EFI_LOCATE_SEARCH_TYPE;\r
1456\r
1457/**\r
1458 Returns an array of handles that support a specified protocol.\r
1459\r
d3d92557
FT
1460 @param[in] SearchType Specifies which handle(s) are to be returned.\r
1461 @param[in] Protocol Specifies the protocol to search by.\r
1462 @param[in] SearchKey Specifies the search key.\r
1463 @param[in, out] BufferSize On input, the size in bytes of Buffer. On output, the size in bytes of\r
959ccb23 1464 the array returned in Buffer (if the buffer was large enough) or the\r
1465 size, in bytes, of the buffer needed to obtain the array (if the buffer was\r
1466 not large enough).\r
d3d92557 1467 @param[out] Buffer The buffer in which the array is returned.\r
959ccb23 1468\r
1469 @retval EFI_SUCCESS The array of handles was returned.\r
1470 @retval EFI_NOT_FOUND No handles match the search.\r
1471 @retval EFI_BUFFER_TOO_SMALL The BufferSize is too small for the result.\r
e0c047a0 1472 @retval EFI_INVALID_PARAMETER SearchType is not a member of EFI_LOCATE_SEARCH_TYPE.\r
1473 @retval EFI_INVALID_PARAMETER SearchType is ByRegisterNotify and SearchKey is NULL.\r
1474 @retval EFI_INVALID_PARAMETER SearchType is ByProtocol and Protocol is NULL.\r
1475 @retval EFI_INVALID_PARAMETER One or more matches are found and BufferSize is NULL.\r
1476 @retval EFI_INVALID_PARAMETER BufferSize is large enough for the result and Buffer is NULL.\r
959ccb23 1477\r
1478**/\r
1479typedef\r
1480EFI_STATUS\r
8b13229b 1481(EFIAPI *EFI_LOCATE_HANDLE)(\r
959ccb23 1482 IN EFI_LOCATE_SEARCH_TYPE SearchType,\r
1483 IN EFI_GUID *Protocol, OPTIONAL\r
1484 IN VOID *SearchKey, OPTIONAL\r
1485 IN OUT UINTN *BufferSize,\r
1486 OUT EFI_HANDLE *Buffer\r
1487 );\r
1488\r
1489/**\r
1490 Locates the handle to a device on the device path that supports the specified protocol.\r
1491\r
d3d92557
FT
1492 @param[in] Protocol Specifies the protocol to search for.\r
1493 @param[in, out] DevicePath On input, a pointer to a pointer to the device path. On output, the device\r
959ccb23 1494 path pointer is modified to point to the remaining part of the device\r
1495 path.\r
d3d92557 1496 @param[out] Device A pointer to the returned device handle.\r
959ccb23 1497\r
1498 @retval EFI_SUCCESS The resulting handle was returned.\r
1499 @retval EFI_NOT_FOUND No handles match the search.\r
e0c047a0 1500 @retval EFI_INVALID_PARAMETER Protocol is NULL.\r
1501 @retval EFI_INVALID_PARAMETER DevicePath is NULL.\r
1502 @retval EFI_INVALID_PARAMETER A handle matched the search and Device is NULL.\r
959ccb23 1503\r
1504**/\r
1505typedef\r
1506EFI_STATUS\r
8b13229b 1507(EFIAPI *EFI_LOCATE_DEVICE_PATH)(\r
959ccb23 1508 IN EFI_GUID *Protocol,\r
1509 IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath,\r
1510 OUT EFI_HANDLE *Device\r
1511 );\r
1512\r
1513/**\r
1514 Adds, updates, or removes a configuration table entry from the EFI System Table.\r
1515\r
d3d92557
FT
1516 @param[in] Guid A pointer to the GUID for the entry to add, update, or remove.\r
1517 @param[in] Table A pointer to the configuration table for the entry to add, update, or\r
959ccb23 1518 remove. May be NULL.\r
1519\r
1520 @retval EFI_SUCCESS The (Guid, Table) pair was added, updated, or removed.\r
1521 @retval EFI_NOT_FOUND An attempt was made to delete a nonexistent entry.\r
bfe0572b 1522 @retval EFI_INVALID_PARAMETER Guid is NULL.\r
959ccb23 1523 @retval EFI_OUT_OF_RESOURCES There is not enough memory available to complete the operation.\r
1524\r
1525**/\r
1526typedef\r
1527EFI_STATUS\r
8b13229b 1528(EFIAPI *EFI_INSTALL_CONFIGURATION_TABLE)(\r
959ccb23 1529 IN EFI_GUID *Guid,\r
1530 IN VOID *Table\r
1531 );\r
1532\r
959ccb23 1533/**\r
1534 Returns an array of handles that support the requested protocol in a buffer allocated from pool.\r
1535\r
d3d92557
FT
1536 @param[in] SearchType Specifies which handle(s) are to be returned.\r
1537 @param[in] Protocol Provides the protocol to search by.\r
e0c047a0 1538 This parameter is only valid for a SearchType of ByProtocol.\r
d3d92557
FT
1539 @param[in] SearchKey Supplies the search key depending on the SearchType.\r
1540 @param[in, out] NoHandles The number of handles returned in Buffer.\r
1541 @param[out] Buffer A pointer to the buffer to return the requested array of handles that\r
959ccb23 1542 support Protocol.\r
1543\r
1544 @retval EFI_SUCCESS The array of handles was returned in Buffer, and the number of\r
1545 handles in Buffer was returned in NoHandles.\r
1546 @retval EFI_NOT_FOUND No handles match the search.\r
1547 @retval EFI_OUT_OF_RESOURCES There is not enough pool memory to store the matching results.\r
e0c047a0 1548 @retval EFI_INVALID_PARAMETER NoHandles is NULL.\r
1549 @retval EFI_INVALID_PARAMETER Buffer is NULL.\r
959ccb23 1550\r
1551**/\r
1552typedef\r
1553EFI_STATUS\r
8b13229b 1554(EFIAPI *EFI_LOCATE_HANDLE_BUFFER)(\r
959ccb23 1555 IN EFI_LOCATE_SEARCH_TYPE SearchType,\r
1556 IN EFI_GUID *Protocol, OPTIONAL\r
1557 IN VOID *SearchKey, OPTIONAL\r
1558 IN OUT UINTN *NoHandles,\r
1559 OUT EFI_HANDLE **Buffer\r
1560 );\r
1561\r
1562/**\r
1563 Returns the first protocol instance that matches the given protocol.\r
1564\r
d3d92557
FT
1565 @param[in] Protocol Provides the protocol to search for.\r
1566 @param[in] Registration Optional registration key returned from\r
959ccb23 1567 RegisterProtocolNotify().\r
d3d92557 1568 @param[out] Interface On return, a pointer to the first interface that matches Protocol and\r
959ccb23 1569 Registration.\r
1570\r
1571 @retval EFI_SUCCESS A protocol instance matching Protocol was found and returned in\r
1572 Interface.\r
1573 @retval EFI_NOT_FOUND No protocol instances were found that match Protocol and\r
1574 Registration.\r
1575 @retval EFI_INVALID_PARAMETER Interface is NULL.\r
d65f7eeb 1576 Protocol is NULL.\r
959ccb23 1577\r
1578**/\r
1579typedef\r
1580EFI_STATUS\r
8b13229b 1581(EFIAPI *EFI_LOCATE_PROTOCOL)(\r
959ccb23 1582 IN EFI_GUID *Protocol,\r
1583 IN VOID *Registration, OPTIONAL\r
1584 OUT VOID **Interface\r
1585 );\r
1586\r
2a3f6a21 1587///\r
1588/// EFI Capsule Block Descriptor\r
1589///\r
959ccb23 1590typedef struct {\r
1bf79370
LG
1591 ///\r
1592 /// Length in bytes of the data pointed to by DataBlock/ContinuationPointer.\r
1593 ///\r
2a3f6a21 1594 UINT64 Length;\r
959ccb23 1595 union {\r
1bf79370
LG
1596 ///\r
1597 /// Physical address of the data block. This member of the union is\r
1598 /// used if Length is not equal to zero.\r
1599 ///\r
959ccb23 1600 EFI_PHYSICAL_ADDRESS DataBlock;\r
1bf79370
LG
1601 ///\r
1602 /// Physical address of another block of\r
1603 /// EFI_CAPSULE_BLOCK_DESCRIPTOR structures. This\r
1604 /// member of the union is used if Length is equal to zero. If\r
1605 /// ContinuationPointer is zero this entry represents the end of the list.\r
1606 ///\r
959ccb23 1607 EFI_PHYSICAL_ADDRESS ContinuationPointer;\r
1608 } Union;\r
45ad5569 1609} EFI_CAPSULE_BLOCK_DESCRIPTOR;\r
959ccb23 1610\r
2a3f6a21 1611///\r
af2dc6a7 1612/// EFI Capsule Header.\r
2a3f6a21 1613///\r
959ccb23 1614typedef struct {\r
1bf79370
LG
1615 ///\r
1616 /// A GUID that defines the contents of a capsule.\r
1617 ///\r
959ccb23 1618 EFI_GUID CapsuleGuid;\r
1bf79370
LG
1619 ///\r
1620 /// The size of the capsule header. This may be larger than the size of\r
1621 /// the EFI_CAPSULE_HEADER since CapsuleGuid may imply\r
1622 /// extended header entries\r
1623 ///\r
959ccb23 1624 UINT32 HeaderSize;\r
1bf79370
LG
1625 ///\r
1626 /// Bit-mapped list describing the capsule attributes. The Flag values\r
f6d2bcc6 1627 /// of 0x0000 - 0xFFFF are defined by CapsuleGuid. Flag values\r
a0d58c21 1628 /// of 0x10000 - 0xFFFFFFFF are defined by this specification\r
1bf79370 1629 ///\r
959ccb23 1630 UINT32 Flags;\r
1bf79370
LG
1631 ///\r
1632 /// Size in bytes of the capsule.\r
1633 ///\r
959ccb23 1634 UINT32 CapsuleImageSize;\r
45ad5569 1635} EFI_CAPSULE_HEADER;\r
959ccb23 1636\r
1bf79370
LG
1637///\r
1638/// The EFI System Table entry must point to an array of capsules\r
1639/// that contain the same CapsuleGuid value. The array must be\r
1640/// prefixed by a UINT32 that represents the size of the array of capsules.\r
1641///\r
176a6bb3 1642typedef struct {\r
1bf79370
LG
1643 ///\r
1644 /// the size of the array of capsules.\r
1645 ///\r
176a6bb3 1646 UINT32 CapsuleArrayNumber;\r
1bf79370
LG
1647 ///\r
1648 /// Point to an array of capsules that contain the same CapsuleGuid value.\r
1649 ///\r
176a6bb3
LG
1650 VOID* CapsulePtr[1];\r
1651} EFI_CAPSULE_TABLE;\r
1652\r
959ccb23 1653#define CAPSULE_FLAGS_PERSIST_ACROSS_RESET 0x00010000\r
1654#define CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE 0x00020000\r
eaa8a234 1655#define CAPSULE_FLAGS_INITIATE_RESET 0x00040000\r
959ccb23 1656\r
1657/**\r
1658 Passes capsules to the firmware with both virtual and physical mapping. Depending on the intended\r
1659 consumption, the firmware may process the capsule immediately. If the payload should persist\r
1660 across a system reset, the reset value returned from EFI_QueryCapsuleCapabilities must\r
1661 be passed into ResetSystem() and will cause the capsule to be processed by the firmware as\r
1662 part of the reset process.\r
1663\r
d3d92557
FT
1664 @param[in] CapsuleHeaderArray Virtual pointer to an array of virtual pointers to the capsules\r
1665 being passed into update capsule.\r
1666 @param[in] CapsuleCount Number of pointers to EFI_CAPSULE_HEADER in\r
1667 CaspuleHeaderArray.\r
1668 @param[in] ScatterGatherList Physical pointer to a set of\r
1669 EFI_CAPSULE_BLOCK_DESCRIPTOR that describes the\r
1670 location in physical memory of a set of capsules.\r
959ccb23 1671\r
1672 @retval EFI_SUCCESS Valid capsule was passed. If\r
1673 CAPSULE_FLAGS_PERSIT_ACROSS_RESET is not set, the\r
1674 capsule has been successfully processed by the firmware.\r
eaa8a234 1675 @retval EFI_INVALID_PARAMETER CapsuleSize is NULL, or an incompatible set of flags were\r
1676 set in the capsule header.\r
a0d58c21 1677 @retval EFI_INVALID_PARAMETER CapsuleCount is 0.\r
959ccb23 1678 @retval EFI_DEVICE_ERROR The capsule update was started, but failed due to a device error.\r
e0c047a0 1679 @retval EFI_UNSUPPORTED The capsule type is not supported on this platform.\r
9095d37b
LG
1680 @retval EFI_OUT_OF_RESOURCES When ExitBootServices() has been previously called this error indicates the capsule\r
1681 is compatible with this platform but is not capable of being submitted or processed\r
efdabc6c 1682 in runtime. The caller may resubmit the capsule prior to ExitBootServices().\r
9095d37b 1683 @retval EFI_OUT_OF_RESOURCES When ExitBootServices() has not been previously called then this error indicates\r
efdabc6c 1684 the capsule is compatible with this platform but there are insufficient resources to process.\r
959ccb23 1685\r
1686**/\r
1687typedef\r
1688EFI_STATUS\r
8b13229b 1689(EFIAPI *EFI_UPDATE_CAPSULE)(\r
531febc2 1690 IN EFI_CAPSULE_HEADER **CapsuleHeaderArray,\r
959ccb23 1691 IN UINTN CapsuleCount,\r
1692 IN EFI_PHYSICAL_ADDRESS ScatterGatherList OPTIONAL\r
1693 );\r
1694\r
1695/**\r
1696 Returns if the capsule can be supported via UpdateCapsule().\r
1697\r
d3d92557
FT
1698 @param[in] CapsuleHeaderArray Virtual pointer to an array of virtual pointers to the capsules\r
1699 being passed into update capsule.\r
1700 @param[in] CapsuleCount Number of pointers to EFI_CAPSULE_HEADER in\r
1701 CaspuleHeaderArray.\r
1702 @param[out] MaxiumCapsuleSize On output the maximum size that UpdateCapsule() can\r
1703 support as an argument to UpdateCapsule() via\r
1704 CapsuleHeaderArray and ScatterGatherList.\r
1705 @param[out] ResetType Returns the type of reset required for the capsule update.\r
959ccb23 1706\r
1707 @retval EFI_SUCCESS Valid answer returned.\r
1708 @retval EFI_UNSUPPORTED The capsule type is not supported on this platform, and\r
1709 MaximumCapsuleSize and ResetType are undefined.\r
1710 @retval EFI_INVALID_PARAMETER MaximumCapsuleSize is NULL.\r
9095d37b
LG
1711 @retval EFI_OUT_OF_RESOURCES When ExitBootServices() has been previously called this error indicates the capsule\r
1712 is compatible with this platform but is not capable of being submitted or processed\r
efdabc6c 1713 in runtime. The caller may resubmit the capsule prior to ExitBootServices().\r
9095d37b 1714 @retval EFI_OUT_OF_RESOURCES When ExitBootServices() has not been previously called then this error indicates\r
efdabc6c 1715 the capsule is compatible with this platform but there are insufficient resources to process.\r
959ccb23 1716\r
1717**/\r
1718typedef\r
1719EFI_STATUS\r
8b13229b 1720(EFIAPI *EFI_QUERY_CAPSULE_CAPABILITIES)(\r
531febc2 1721 IN EFI_CAPSULE_HEADER **CapsuleHeaderArray,\r
959ccb23 1722 IN UINTN CapsuleCount,\r
1723 OUT UINT64 *MaximumCapsuleSize,\r
1724 OUT EFI_RESET_TYPE *ResetType\r
1725 );\r
1726\r
1727/**\r
1728 Returns information about the EFI variables.\r
1729\r
d3d92557
FT
1730 @param[in] Attributes Attributes bitmask to specify the type of variables on\r
1731 which to return information.\r
1732 @param[out] MaximumVariableStorageSize On output the maximum size of the storage space\r
1733 available for the EFI variables associated with the\r
1734 attributes specified.\r
1735 @param[out] RemainingVariableStorageSize Returns the remaining size of the storage space\r
1736 available for the EFI variables associated with the\r
1737 attributes specified.\r
1738 @param[out] MaximumVariableSize Returns the maximum size of the individual EFI\r
1739 variables associated with the attributes specified.\r
959ccb23 1740\r
1741 @retval EFI_SUCCESS Valid answer returned.\r
1742 @retval EFI_INVALID_PARAMETER An invalid combination of attribute bits was supplied\r
1743 @retval EFI_UNSUPPORTED The attribute is not supported on this platform, and the\r
1744 MaximumVariableStorageSize,\r
1745 RemainingVariableStorageSize, MaximumVariableSize\r
1746 are undefined.\r
1747\r
1748**/\r
1749typedef\r
1750EFI_STATUS\r
8b13229b 1751(EFIAPI *EFI_QUERY_VARIABLE_INFO)(\r
959ccb23 1752 IN UINT32 Attributes,\r
1753 OUT UINT64 *MaximumVariableStorageSize,\r
1754 OUT UINT64 *RemainingVariableStorageSize,\r
1755 OUT UINT64 *MaximumVariableSize\r
1756 );\r
1757\r
b5eb03cf 1758//\r
1759// Firmware should stop at a firmware user interface on next boot\r
1760//\r
566771b0 1761#define EFI_OS_INDICATIONS_BOOT_TO_FW_UI 0x0000000000000001\r
1762#define EFI_OS_INDICATIONS_TIMESTAMP_REVOCATION 0x0000000000000002\r
1763#define EFI_OS_INDICATIONS_FILE_CAPSULE_DELIVERY_SUPPORTED 0x0000000000000004\r
1764#define EFI_OS_INDICATIONS_FMP_CAPSULE_SUPPORTED 0x0000000000000008\r
1765#define EFI_OS_INDICATIONS_CAPSULE_RESULT_VAR_SUPPORTED 0x0000000000000010\r
83952535 1766#define EFI_OS_INDICATIONS_START_PLATFORM_RECOVERY 0x0000000000000040\r
959ccb23 1767\r
1768//\r
1769// EFI Runtime Services Table\r
1770//\r
07636730 1771#define EFI_SYSTEM_TABLE_SIGNATURE SIGNATURE_64 ('I','B','I',' ','S','Y','S','T')\r
fee5ea2c 1772#define EFI_2_70_SYSTEM_TABLE_REVISION ((2 << 16) | (70))\r
ed5e386a 1773#define EFI_2_60_SYSTEM_TABLE_REVISION ((2 << 16) | (60))\r
b2e1b498 1774#define EFI_2_50_SYSTEM_TABLE_REVISION ((2 << 16) | (50))\r
b4319afb 1775#define EFI_2_40_SYSTEM_TABLE_REVISION ((2 << 16) | (40))\r
aee17e89 1776#define EFI_2_31_SYSTEM_TABLE_REVISION ((2 << 16) | (31))\r
add9c350 1777#define EFI_2_30_SYSTEM_TABLE_REVISION ((2 << 16) | (30))\r
1778#define EFI_2_20_SYSTEM_TABLE_REVISION ((2 << 16) | (20))\r
2a3f6a21 1779#define EFI_2_10_SYSTEM_TABLE_REVISION ((2 << 16) | (10))\r
1780#define EFI_2_00_SYSTEM_TABLE_REVISION ((2 << 16) | (00))\r
1781#define EFI_1_10_SYSTEM_TABLE_REVISION ((1 << 16) | (10))\r
1782#define EFI_1_02_SYSTEM_TABLE_REVISION ((1 << 16) | (02))\r
fee5ea2c 1783#define EFI_SYSTEM_TABLE_REVISION EFI_2_70_SYSTEM_TABLE_REVISION\r
78322c85 1784#define EFI_SPECIFICATION_VERSION EFI_SYSTEM_TABLE_REVISION\r
2a3f6a21 1785\r
07636730 1786#define EFI_RUNTIME_SERVICES_SIGNATURE SIGNATURE_64 ('R','U','N','T','S','E','R','V')\r
78322c85 1787#define EFI_RUNTIME_SERVICES_REVISION EFI_SPECIFICATION_VERSION\r
959ccb23 1788\r
e0c047a0 1789///\r
af2dc6a7 1790/// EFI Runtime Services Table.\r
e0c047a0 1791///\r
959ccb23 1792typedef struct {\r
e0c047a0 1793 ///\r
1794 /// The table header for the EFI Runtime Services Table.\r
1795 ///\r
c9a0a0fc 1796 EFI_TABLE_HEADER Hdr;\r
00edb218
A
1797\r
1798 //\r
1799 // Time Services\r
1800 //\r
1801 EFI_GET_TIME GetTime;\r
1802 EFI_SET_TIME SetTime;\r
1803 EFI_GET_WAKEUP_TIME GetWakeupTime;\r
1804 EFI_SET_WAKEUP_TIME SetWakeupTime;\r
1805\r
1806 //\r
1807 // Virtual Memory Services\r
1808 //\r
1809 EFI_SET_VIRTUAL_ADDRESS_MAP SetVirtualAddressMap;\r
1810 EFI_CONVERT_POINTER ConvertPointer;\r
1811\r
1812 //\r
1813 // Variable Services\r
1814 //\r
1815 EFI_GET_VARIABLE GetVariable;\r
1816 EFI_GET_NEXT_VARIABLE_NAME GetNextVariableName;\r
1817 EFI_SET_VARIABLE SetVariable;\r
1818\r
1819 //\r
1820 // Miscellaneous Services\r
1821 //\r
1822 EFI_GET_NEXT_HIGH_MONO_COUNT GetNextHighMonotonicCount;\r
1823 EFI_RESET_SYSTEM ResetSystem;\r
1824\r
1825 //\r
1826 // UEFI 2.0 Capsule Services\r
1827 //\r
1828 EFI_UPDATE_CAPSULE UpdateCapsule;\r
1829 EFI_QUERY_CAPSULE_CAPABILITIES QueryCapsuleCapabilities;\r
1830\r
1831 //\r
1832 // Miscellaneous UEFI 2.0 Service\r
1833 //\r
1834 EFI_QUERY_VARIABLE_INFO QueryVariableInfo;\r
959ccb23 1835} EFI_RUNTIME_SERVICES;\r
1836\r
1837\r
07636730 1838#define EFI_BOOT_SERVICES_SIGNATURE SIGNATURE_64 ('B','O','O','T','S','E','R','V')\r
78322c85 1839#define EFI_BOOT_SERVICES_REVISION EFI_SPECIFICATION_VERSION\r
959ccb23 1840\r
e0c047a0 1841///\r
af2dc6a7 1842/// EFI Boot Services Table.\r
e0c047a0 1843///\r
959ccb23 1844typedef struct {\r
e0c047a0 1845 ///\r
1846 /// The table header for the EFI Boot Services Table.\r
1847 ///\r
c9a0a0fc 1848 EFI_TABLE_HEADER Hdr;\r
d0c64728 1849\r
00edb218
A
1850 //\r
1851 // Task Priority Services\r
1852 //\r
1853 EFI_RAISE_TPL RaiseTPL;\r
1854 EFI_RESTORE_TPL RestoreTPL;\r
1855\r
1856 //\r
1857 // Memory Services\r
1858 //\r
1859 EFI_ALLOCATE_PAGES AllocatePages;\r
1860 EFI_FREE_PAGES FreePages;\r
1861 EFI_GET_MEMORY_MAP GetMemoryMap;\r
1862 EFI_ALLOCATE_POOL AllocatePool;\r
1863 EFI_FREE_POOL FreePool;\r
1864\r
1865 //\r
1866 // Event & Timer Services\r
1867 //\r
1868 EFI_CREATE_EVENT CreateEvent;\r
1869 EFI_SET_TIMER SetTimer;\r
1870 EFI_WAIT_FOR_EVENT WaitForEvent;\r
1871 EFI_SIGNAL_EVENT SignalEvent;\r
1872 EFI_CLOSE_EVENT CloseEvent;\r
1873 EFI_CHECK_EVENT CheckEvent;\r
1874\r
1875 //\r
1876 // Protocol Handler Services\r
1877 //\r
1878 EFI_INSTALL_PROTOCOL_INTERFACE InstallProtocolInterface;\r
1879 EFI_REINSTALL_PROTOCOL_INTERFACE ReinstallProtocolInterface;\r
1880 EFI_UNINSTALL_PROTOCOL_INTERFACE UninstallProtocolInterface;\r
1881 EFI_HANDLE_PROTOCOL HandleProtocol;\r
1882 VOID *Reserved;\r
1883 EFI_REGISTER_PROTOCOL_NOTIFY RegisterProtocolNotify;\r
1884 EFI_LOCATE_HANDLE LocateHandle;\r
1885 EFI_LOCATE_DEVICE_PATH LocateDevicePath;\r
1886 EFI_INSTALL_CONFIGURATION_TABLE InstallConfigurationTable;\r
1887\r
1888 //\r
1889 // Image Services\r
1890 //\r
1891 EFI_IMAGE_LOAD LoadImage;\r
1892 EFI_IMAGE_START StartImage;\r
1893 EFI_EXIT Exit;\r
1894 EFI_IMAGE_UNLOAD UnloadImage;\r
1895 EFI_EXIT_BOOT_SERVICES ExitBootServices;\r
1896\r
1897 //\r
1898 // Miscellaneous Services\r
1899 //\r
1900 EFI_GET_NEXT_MONOTONIC_COUNT GetNextMonotonicCount;\r
1901 EFI_STALL Stall;\r
1902 EFI_SET_WATCHDOG_TIMER SetWatchdogTimer;\r
1903\r
1904 //\r
1905 // DriverSupport Services\r
1906 //\r
1907 EFI_CONNECT_CONTROLLER ConnectController;\r
1908 EFI_DISCONNECT_CONTROLLER DisconnectController;\r
1909\r
1910 //\r
1911 // Open and Close Protocol Services\r
1912 //\r
1913 EFI_OPEN_PROTOCOL OpenProtocol;\r
1914 EFI_CLOSE_PROTOCOL CloseProtocol;\r
1915 EFI_OPEN_PROTOCOL_INFORMATION OpenProtocolInformation;\r
1916\r
1917 //\r
1918 // Library Services\r
1919 //\r
1920 EFI_PROTOCOLS_PER_HANDLE ProtocolsPerHandle;\r
1921 EFI_LOCATE_HANDLE_BUFFER LocateHandleBuffer;\r
1922 EFI_LOCATE_PROTOCOL LocateProtocol;\r
1923 EFI_INSTALL_MULTIPLE_PROTOCOL_INTERFACES InstallMultipleProtocolInterfaces;\r
1924 EFI_UNINSTALL_MULTIPLE_PROTOCOL_INTERFACES UninstallMultipleProtocolInterfaces;\r
1925\r
1926 //\r
1927 // 32-bit CRC Services\r
1928 //\r
1929 EFI_CALCULATE_CRC32 CalculateCrc32;\r
1930\r
1931 //\r
1932 // Miscellaneous Services\r
1933 //\r
1934 EFI_COPY_MEM CopyMem;\r
1935 EFI_SET_MEM SetMem;\r
00edb218 1936 EFI_CREATE_EVENT_EX CreateEventEx;\r
959ccb23 1937} EFI_BOOT_SERVICES;\r
1938\r
e0c047a0 1939///\r
1940/// Contains a set of GUID/pointer pairs comprised of the ConfigurationTable field in the\r
1941/// EFI System Table.\r
1942///\r
2a3f6a21 1943typedef struct {\r
e0c047a0 1944 ///\r
1945 /// The 128-bit GUID value that uniquely identifies the system configuration table.\r
1946 ///\r
00edb218 1947 EFI_GUID VendorGuid;\r
e0c047a0 1948 ///\r
1949 /// A pointer to the table associated with VendorGuid.\r
1950 ///\r
00edb218 1951 VOID *VendorTable;\r
959ccb23 1952} EFI_CONFIGURATION_TABLE;\r
1953\r
e0c047a0 1954///\r
1955/// EFI System Table\r
1956///\r
2a3f6a21 1957typedef struct {\r
e0c047a0 1958 ///\r
1959 /// The table header for the EFI System Table.\r
1960 ///\r
c9a0a0fc 1961 EFI_TABLE_HEADER Hdr;\r
e0c047a0 1962 ///\r
fbf926ad 1963 /// A pointer to a null terminated string that identifies the vendor\r
1964 /// that produces the system firmware for the platform.\r
e0c047a0 1965 ///\r
00edb218 1966 CHAR16 *FirmwareVendor;\r
e0c047a0 1967 ///\r
1968 /// A firmware vendor specific value that identifies the revision\r
1969 /// of the system firmware for the platform.\r
1970 ///\r
00edb218 1971 UINT32 FirmwareRevision;\r
e0c047a0 1972 ///\r
eaf75bf4 1973 /// The handle for the active console input device. This handle must support\r
1974 /// EFI_SIMPLE_TEXT_INPUT_PROTOCOL and EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL.\r
e0c047a0 1975 ///\r
00edb218 1976 EFI_HANDLE ConsoleInHandle;\r
e0c047a0 1977 ///\r
11ca63ec 1978 /// A pointer to the EFI_SIMPLE_TEXT_INPUT_PROTOCOL interface that is\r
e0c047a0 1979 /// associated with ConsoleInHandle.\r
1980 ///\r
00edb218 1981 EFI_SIMPLE_TEXT_INPUT_PROTOCOL *ConIn;\r
e0c047a0 1982 ///\r
1983 /// The handle for the active console output device.\r
1984 ///\r
00edb218 1985 EFI_HANDLE ConsoleOutHandle;\r
e0c047a0 1986 ///\r
11ca63ec 1987 /// A pointer to the EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL interface\r
e0c047a0 1988 /// that is associated with ConsoleOutHandle.\r
1989 ///\r
00edb218 1990 EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *ConOut;\r
e0c047a0 1991 ///\r
1992 /// The handle for the active standard error console device.\r
eaf75bf4 1993 /// This handle must support the EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.\r
e0c047a0 1994 ///\r
00edb218 1995 EFI_HANDLE StandardErrorHandle;\r
e0c047a0 1996 ///\r
11ca63ec 1997 /// A pointer to the EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL interface\r
e0c047a0 1998 /// that is associated with StandardErrorHandle.\r
1999 ///\r
00edb218 2000 EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *StdErr;\r
e0c047a0 2001 ///\r
2002 /// A pointer to the EFI Runtime Services Table.\r
2003 ///\r
00edb218 2004 EFI_RUNTIME_SERVICES *RuntimeServices;\r
e0c047a0 2005 ///\r
2006 /// A pointer to the EFI Boot Services Table.\r
2007 ///\r
00edb218 2008 EFI_BOOT_SERVICES *BootServices;\r
e0c047a0 2009 ///\r
2010 /// The number of system configuration tables in the buffer ConfigurationTable.\r
2011 ///\r
00edb218 2012 UINTN NumberOfTableEntries;\r
e0c047a0 2013 ///\r
2014 /// A pointer to the system configuration tables.\r
2015 /// The number of entries in the table is NumberOfTableEntries.\r
2016 ///\r
00edb218 2017 EFI_CONFIGURATION_TABLE *ConfigurationTable;\r
2a3f6a21 2018} EFI_SYSTEM_TABLE;\r
2019\r
2020/**\r
2021 This is the declaration of an EFI image entry point. This entry point is\r
2022 the same for UEFI Applications, UEFI OS Loaders, and UEFI Drivers including\r
2023 both device drivers and bus drivers.\r
2024\r
d3d92557
FT
2025 @param[in] ImageHandle The firmware allocated handle for the UEFI image.\r
2026 @param[in] SystemTable A pointer to the EFI System Table.\r
2a3f6a21 2027\r
2028 @retval EFI_SUCCESS The operation completed successfully.\r
af2dc6a7 2029 @retval Others An unexpected error occurred.\r
2a3f6a21 2030**/\r
2031typedef\r
2032EFI_STATUS\r
2033(EFIAPI *EFI_IMAGE_ENTRY_POINT)(\r
2034 IN EFI_HANDLE ImageHandle,\r
2035 IN EFI_SYSTEM_TABLE *SystemTable\r
2036 );\r
959ccb23 2037\r
faa32beb
RN
2038//\r
2039// EFI Load Option. This data structure describes format of UEFI boot option variables.\r
2040//\r
2041// NOTE: EFI Load Option is a byte packed buffer of variable length fields.\r
2042// The first two fields have fixed length. They are declared as members of the\r
2043// EFI_LOAD_OPTION structure. All the other fields are variable length fields.\r
2044// They are listed in the comment block below for reference purposes.\r
2045//\r
2046#pragma pack(1)\r
2047typedef struct _EFI_LOAD_OPTION {\r
2048 ///\r
2049 /// The attributes for this load option entry. All unused bits must be zero\r
2050 /// and are reserved by the UEFI specification for future growth.\r
2051 ///\r
2052 UINT32 Attributes;\r
2053 ///\r
2054 /// Length in bytes of the FilePathList. OptionalData starts at offset\r
2055 /// sizeof(UINT32) + sizeof(UINT16) + StrSize(Description) + FilePathListLength\r
2056 /// of the EFI_LOAD_OPTION descriptor.\r
2057 ///\r
2058 UINT16 FilePathListLength;\r
2059 ///\r
2060 /// The user readable description for the load option.\r
2061 /// This field ends with a Null character.\r
2062 ///\r
2063 // CHAR16 Description[];\r
2064 ///\r
2065 /// A packed array of UEFI device paths. The first element of the array is a\r
2066 /// device path that describes the device and location of the Image for this\r
2067 /// load option. The FilePathList[0] is specific to the device type. Other\r
2068 /// device paths may optionally exist in the FilePathList, but their usage is\r
2069 /// OSV specific. Each element in the array is variable length, and ends at\r
2070 /// the device path end structure. Because the size of Description is\r
2071 /// arbitrary, this data structure is not guaranteed to be aligned on a\r
2072 /// natural boundary. This data structure may have to be copied to an aligned\r
2073 /// natural boundary before it is used.\r
2074 ///\r
2075 // EFI_DEVICE_PATH_PROTOCOL FilePathList[];\r
2076 ///\r
2077 /// The remaining bytes in the load option descriptor are a binary data buffer\r
2078 /// that is passed to the loaded image. If the field is zero bytes long, a\r
2079 /// NULL pointer is passed to the loaded image. The number of bytes in\r
2080 /// OptionalData can be computed by subtracting the starting offset of\r
2081 /// OptionalData from total size in bytes of the EFI_LOAD_OPTION.\r
2082 ///\r
2083 // UINT8 OptionalData[];\r
2084} EFI_LOAD_OPTION;\r
2085#pragma pack()\r
2086\r
95cba3ee
A
2087//\r
2088// EFI Load Options Attributes\r
2089//\r
573b8a86
RN
2090#define LOAD_OPTION_ACTIVE 0x00000001\r
2091#define LOAD_OPTION_FORCE_RECONNECT 0x00000002\r
2092#define LOAD_OPTION_HIDDEN 0x00000008\r
2093#define LOAD_OPTION_CATEGORY 0x00001F00\r
2094\r
2095#define LOAD_OPTION_CATEGORY_BOOT 0x00000000\r
2096#define LOAD_OPTION_CATEGORY_APP 0x00000100\r
2097\r
2098#define EFI_BOOT_OPTION_SUPPORT_KEY 0x00000001\r
2099#define EFI_BOOT_OPTION_SUPPORT_APP 0x00000002\r
2100#define EFI_BOOT_OPTION_SUPPORT_SYSPREP 0x00000010\r
2101#define EFI_BOOT_OPTION_SUPPORT_COUNT 0x00000300\r
95cba3ee 2102\r
2a3f6a21 2103///\r
2104/// EFI Boot Key Data\r
2105///\r
d4468cdf
RN
2106typedef union {\r
2107 struct {\r
2108 ///\r
2109 /// Indicates the revision of the EFI_KEY_OPTION structure. This revision level should be 0.\r
2110 ///\r
2111 UINT32 Revision : 8;\r
2112 ///\r
2113 /// Either the left or right Shift keys must be pressed (1) or must not be pressed (0).\r
2114 ///\r
2115 UINT32 ShiftPressed : 1;\r
2116 ///\r
2117 /// Either the left or right Control keys must be pressed (1) or must not be pressed (0).\r
2118 ///\r
2119 UINT32 ControlPressed : 1;\r
2120 ///\r
2121 /// Either the left or right Alt keys must be pressed (1) or must not be pressed (0).\r
2122 ///\r
2123 UINT32 AltPressed : 1;\r
2124 ///\r
2125 /// Either the left or right Logo keys must be pressed (1) or must not be pressed (0).\r
2126 ///\r
2127 UINT32 LogoPressed : 1;\r
2128 ///\r
2129 /// The Menu key must be pressed (1) or must not be pressed (0).\r
2130 ///\r
2131 UINT32 MenuPressed : 1;\r
2132 ///\r
2133 /// The SysReq key must be pressed (1) or must not be pressed (0).\r
2134 ///\r
2135 UINT32 SysReqPressed : 1;\r
2136 UINT32 Reserved : 16;\r
2137 ///\r
2138 /// Specifies the actual number of entries in EFI_KEY_OPTION.Keys, from 0-3. If\r
2139 /// zero, then only the shift state is considered. If more than one, then the boot option will\r
2140 /// only be launched if all of the specified keys are pressed with the same shift state.\r
2141 ///\r
2142 UINT32 InputKeyCount : 2;\r
2143 } Options;\r
2144 UINT32 PackedValue;\r
2145} EFI_BOOT_KEY_DATA;\r
95cba3ee 2146\r
2a3f6a21 2147///\r
af2dc6a7 2148/// EFI Key Option.\r
2a3f6a21 2149///\r
53cdd439 2150#pragma pack(1)\r
95cba3ee 2151typedef struct {\r
1bf79370
LG
2152 ///\r
2153 /// Specifies options about how the key will be processed.\r
2154 ///\r
2155 EFI_BOOT_KEY_DATA KeyData;\r
2156 ///\r
2157 /// The CRC-32 which should match the CRC-32 of the entire EFI_LOAD_OPTION to\r
2158 /// which BootOption refers. If the CRC-32s do not match this value, then this key\r
2159 /// option is ignored.\r
2160 ///\r
2a3f6a21 2161 UINT32 BootOptionCrc;\r
1bf79370
LG
2162 ///\r
2163 /// The Boot#### option which will be invoked if this key is pressed and the boot option\r
2164 /// is active (LOAD_OPTION_ACTIVE is set).\r
2165 ///\r
2a3f6a21 2166 UINT16 BootOption;\r
1bf79370
LG
2167 ///\r
2168 /// The key codes to compare against those returned by the\r
2169 /// EFI_SIMPLE_TEXT_INPUT and EFI_SIMPLE_TEXT_INPUT_EX protocols.\r
2170 /// The number of key codes (0-3) is specified by the EFI_KEY_CODE_COUNT field in KeyOptions.\r
2171 ///\r
2172 //EFI_INPUT_KEY Keys[];\r
95cba3ee 2173} EFI_KEY_OPTION;\r
53cdd439 2174#pragma pack()\r
95cba3ee 2175\r
959ccb23 2176//\r
2177// EFI File location to boot from on removable media devices\r
2178//\r
2179#define EFI_REMOVABLE_MEDIA_FILE_NAME_IA32 L"\\EFI\\BOOT\\BOOTIA32.EFI"\r
2180#define EFI_REMOVABLE_MEDIA_FILE_NAME_IA64 L"\\EFI\\BOOT\\BOOTIA64.EFI"\r
2181#define EFI_REMOVABLE_MEDIA_FILE_NAME_X64 L"\\EFI\\BOOT\\BOOTX64.EFI"\r
ebd04fc2 2182#define EFI_REMOVABLE_MEDIA_FILE_NAME_ARM L"\\EFI\\BOOT\\BOOTARM.EFI"\r
b4319afb 2183#define EFI_REMOVABLE_MEDIA_FILE_NAME_AARCH64 L"\\EFI\\BOOT\\BOOTAA64.EFI"\r
959ccb23 2184\r
2185#if defined (MDE_CPU_IA32)\r
2186 #define EFI_REMOVABLE_MEDIA_FILE_NAME EFI_REMOVABLE_MEDIA_FILE_NAME_IA32\r
959ccb23 2187#elif defined (MDE_CPU_X64)\r
2188 #define EFI_REMOVABLE_MEDIA_FILE_NAME EFI_REMOVABLE_MEDIA_FILE_NAME_X64\r
2189#elif defined (MDE_CPU_EBC)\r
ebd04fc2 2190#elif defined (MDE_CPU_ARM)\r
2191 #define EFI_REMOVABLE_MEDIA_FILE_NAME EFI_REMOVABLE_MEDIA_FILE_NAME_ARM\r
b4319afb
HL
2192#elif defined (MDE_CPU_AARCH64)\r
2193 #define EFI_REMOVABLE_MEDIA_FILE_NAME EFI_REMOVABLE_MEDIA_FILE_NAME_AARCH64\r
959ccb23 2194#else\r
2195 #error Unknown Processor Type\r
2196#endif\r
2197\r
1cf40fbc
CC
2198//\r
2199// The directory within the active EFI System Partition defined for delivery of capsule to firmware\r
2200//\r
2201#define EFI_CAPSULE_FILE_DIRECTORY L"\\EFI\\UpdateCapsule\\"\r
2202\r
959ccb23 2203#include <Uefi/UefiPxe.h>\r
2204#include <Uefi/UefiGpt.h>\r
2205#include <Uefi/UefiInternalFormRepresentation.h>\r
2206\r
2207#endif\r