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959ccb23 1/** @file\r
e0c047a0 2 Include file that supports UEFI.\r
959ccb23 3\r
b4319afb
HL
4 This include file must contain things defined in the UEFI 2.4 specification.\r
5 If a code construct is defined in the UEFI 2.4 specification it must be included\r
959ccb23 6 by this include file.\r
7\r
d3d92557 8Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>\r
af2dc6a7 9This program and the accompanying materials are licensed and made available under \r
10the terms and conditions of the BSD License that accompanies this distribution. \r
11The full text of the license may be found at\r
12http://opensource.org/licenses/bsd-license.php. \r
13 \r
14THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
15WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
959ccb23 16\r
959ccb23 17**/\r
18\r
19#ifndef __UEFI_SPEC_H__\r
20#define __UEFI_SPEC_H__\r
21\r
22#include <Uefi/UefiMultiPhase.h>\r
23\r
24#include <Protocol/DevicePath.h>\r
25#include <Protocol/SimpleTextIn.h>\r
2be21afb 26#include <Protocol/SimpleTextInEx.h>\r
959ccb23 27#include <Protocol/SimpleTextOut.h>\r
28\r
8b13229b 29///\r
2a3f6a21 30/// Enumeration of EFI memory allocation types.\r
8b13229b 31///\r
959ccb23 32typedef enum {\r
2a3f6a21 33 ///\r
af2dc6a7 34 /// Allocate any available range of pages that satisfies the request.\r
2a3f6a21 35 ///\r
959ccb23 36 AllocateAnyPages,\r
2a3f6a21 37 ///\r
38 /// Allocate any available range of pages whose uppermost address is less than \r
af2dc6a7 39 /// or equal to a specified maximum address.\r
2a3f6a21 40 ///\r
959ccb23 41 AllocateMaxAddress,\r
2a3f6a21 42 ///\r
af2dc6a7 43 /// Allocate pages at a specified address.\r
2a3f6a21 44 ///\r
959ccb23 45 AllocateAddress,\r
2a3f6a21 46 ///\r
af2dc6a7 47 /// Maximum enumeration value that may be used for bounds checking.\r
2a3f6a21 48 ///\r
959ccb23 49 MaxAllocateType\r
50} EFI_ALLOCATE_TYPE;\r
51\r
5413e8e8 52//\r
53// Bit definitions for EFI_TIME.Daylight\r
54//\r
55#define EFI_TIME_ADJUST_DAYLIGHT 0x01\r
56#define EFI_TIME_IN_DAYLIGHT 0x02\r
57\r
8b13229b 58///\r
af2dc6a7 59/// Value definition for EFI_TIME.TimeZone.\r
8b13229b 60///\r
5413e8e8 61#define EFI_UNSPECIFIED_TIMEZONE 0x07FF\r
959ccb23 62\r
63//\r
e0c047a0 64// Memory cacheability attributes\r
959ccb23 65//\r
e919c766
SZ
66#define EFI_MEMORY_UC 0x0000000000000001ULL\r
67#define EFI_MEMORY_WC 0x0000000000000002ULL\r
68#define EFI_MEMORY_WT 0x0000000000000004ULL\r
69#define EFI_MEMORY_WB 0x0000000000000008ULL\r
70#define EFI_MEMORY_UCE 0x0000000000000010ULL\r
959ccb23 71//\r
e0c047a0 72// Physical memory protection attributes\r
959ccb23 73//\r
ecde59b2
SZ
74// Note: UEFI spec 2.5 and following: use EFI_MEMORY_RO as write-protected physical memory\r
75// protection attribute. Also, EFI_MEMORY_WP means cacheability attribute.\r
76//\r
e919c766
SZ
77#define EFI_MEMORY_WP 0x0000000000001000ULL\r
78#define EFI_MEMORY_RP 0x0000000000002000ULL\r
79#define EFI_MEMORY_XP 0x0000000000004000ULL\r
80#define EFI_MEMORY_RO 0x0000000000020000ULL\r
e0c047a0 81//\r
6c98edac
LG
82// Physical memory persistence attribute. \r
83// The memory region supports byte-addressable non-volatility.\r
84//\r
e919c766
SZ
85#define EFI_MEMORY_NV 0x0000000000008000ULL\r
86//\r
87// The memory region provides higher reliability relative to other memory in the system.\r
88// If all memory has the same reliability, then this bit is not used.\r
89//\r
90#define EFI_MEMORY_MORE_RELIABLE 0x0000000000010000ULL\r
6c98edac 91//\r
e0c047a0 92// Runtime memory attribute\r
93//\r
e919c766 94#define EFI_MEMORY_RUNTIME 0x8000000000000000ULL\r
959ccb23 95\r
8b13229b 96///\r
af2dc6a7 97/// Memory descriptor version number.\r
8b13229b 98///\r
959ccb23 99#define EFI_MEMORY_DESCRIPTOR_VERSION 1\r
e0c047a0 100\r
101///\r
af2dc6a7 102/// Definition of an EFI memory descriptor.\r
e0c047a0 103///\r
959ccb23 104typedef struct {\r
2a3f6a21 105 ///\r
af2dc6a7 106 /// Type of the memory region. See EFI_MEMORY_TYPE.\r
2a3f6a21 107 ///\r
00edb218 108 UINT32 Type;\r
2a3f6a21 109 ///\r
110 /// Physical address of the first byte of the memory region. Must aligned \r
111 /// on a 4 KB boundary.\r
112 ///\r
00edb218 113 EFI_PHYSICAL_ADDRESS PhysicalStart;\r
2a3f6a21 114 ///\r
115 /// Virtual address of the first byte of the memory region. Must aligned \r
116 /// on a 4 KB boundary.\r
117 ///\r
00edb218 118 EFI_VIRTUAL_ADDRESS VirtualStart;\r
2a3f6a21 119 ///\r
120 /// Number of 4KB pages in the memory region.\r
121 ///\r
00edb218 122 UINT64 NumberOfPages;\r
2a3f6a21 123 ///\r
124 /// Attributes of the memory region that describe the bit mask of capabilities\r
125 /// for that memory region, and not necessarily the current settings for that \r
126 /// memory region.\r
127 ///\r
00edb218 128 UINT64 Attribute;\r
959ccb23 129} EFI_MEMORY_DESCRIPTOR;\r
130\r
959ccb23 131/**\r
132 Allocates memory pages from the system.\r
133\r
d3d92557
FT
134 @param[in] Type The type of allocation to perform.\r
135 @param[in] MemoryType The type of memory to allocate.\r
136 @param[in] Pages The number of contiguous 4 KB pages to allocate.\r
137 @param[in, out] Memory The pointer to a physical address. On input, the way in which the address is\r
138 used depends on the value of Type.\r
959ccb23 139\r
140 @retval EFI_SUCCESS The requested pages were allocated.\r
141 @retval EFI_INVALID_PARAMETER 1) Type is not AllocateAnyPages or\r
142 AllocateMaxAddress or AllocateAddress.\r
143 2) MemoryType is in the range\r
3e058701 144 3) Memory is NULL.\r
6c98edac 145 4) MemoryType was EfiPersistentMemory.\r
959ccb23 146 EfiMaxMemoryType..0x7FFFFFFF.\r
147 @retval EFI_OUT_OF_RESOURCES The pages could not be allocated.\r
148 @retval EFI_NOT_FOUND The requested pages could not be found.\r
149\r
150**/\r
151typedef\r
152EFI_STATUS\r
8b13229b 153(EFIAPI *EFI_ALLOCATE_PAGES)(\r
959ccb23 154 IN EFI_ALLOCATE_TYPE Type,\r
155 IN EFI_MEMORY_TYPE MemoryType,\r
156 IN UINTN Pages,\r
157 IN OUT EFI_PHYSICAL_ADDRESS *Memory\r
158 );\r
159\r
160/**\r
161 Frees memory pages.\r
162\r
d3d92557
FT
163 @param[in] Memory The base physical address of the pages to be freed.\r
164 @param[in] Pages The number of contiguous 4 KB pages to free.\r
959ccb23 165\r
166 @retval EFI_SUCCESS The requested pages were freed.\r
167 @retval EFI_INVALID_PARAMETER Memory is not a page-aligned address or Pages is invalid.\r
168 @retval EFI_NOT_FOUND The requested memory pages were not allocated with\r
169 AllocatePages().\r
170\r
171**/\r
172typedef\r
173EFI_STATUS\r
8b13229b 174(EFIAPI *EFI_FREE_PAGES)(\r
959ccb23 175 IN EFI_PHYSICAL_ADDRESS Memory,\r
176 IN UINTN Pages\r
177 );\r
178\r
179/**\r
180 Returns the current memory map.\r
181\r
d3d92557
FT
182 @param[in, out] MemoryMapSize A pointer to the size, in bytes, of the MemoryMap buffer.\r
183 On input, this is the size of the buffer allocated by the caller.\r
184 On output, it is the size of the buffer returned by the firmware if\r
185 the buffer was large enough, or the size of the buffer needed to contain\r
186 the map if the buffer was too small.\r
187 @param[in, out] MemoryMap A pointer to the buffer in which firmware places the current memory\r
188 map.\r
189 @param[out] MapKey A pointer to the location in which firmware returns the key for the\r
190 current memory map.\r
191 @param[out] DescriptorSize A pointer to the location in which firmware returns the size, in bytes, of\r
192 an individual EFI_MEMORY_DESCRIPTOR.\r
193 @param[out] DescriptorVersion A pointer to the location in which firmware returns the version number\r
194 associated with the EFI_MEMORY_DESCRIPTOR.\r
959ccb23 195\r
196 @retval EFI_SUCCESS The memory map was returned in the MemoryMap buffer.\r
197 @retval EFI_BUFFER_TOO_SMALL The MemoryMap buffer was too small. The current buffer size\r
198 needed to hold the memory map is returned in MemoryMapSize.\r
199 @retval EFI_INVALID_PARAMETER 1) MemoryMapSize is NULL.\r
200 2) The MemoryMap buffer is not too small and MemoryMap is\r
201 NULL.\r
202\r
203**/\r
204typedef\r
205EFI_STATUS\r
8b13229b 206(EFIAPI *EFI_GET_MEMORY_MAP)(\r
959ccb23 207 IN OUT UINTN *MemoryMapSize,\r
208 IN OUT EFI_MEMORY_DESCRIPTOR *MemoryMap,\r
209 OUT UINTN *MapKey,\r
210 OUT UINTN *DescriptorSize,\r
211 OUT UINT32 *DescriptorVersion\r
212 );\r
213\r
214/**\r
215 Allocates pool memory.\r
216\r
d3d92557
FT
217 @param[in] PoolType The type of pool to allocate.\r
218 @param[in] Size The number of bytes to allocate from the pool.\r
219 @param[out] Buffer A pointer to a pointer to the allocated buffer if the call succeeds;\r
959ccb23 220 undefined otherwise.\r
221\r
222 @retval EFI_SUCCESS The requested number of bytes was allocated.\r
223 @retval EFI_OUT_OF_RESOURCES The pool requested could not be allocated.\r
3e058701 224 @retval EFI_INVALID_PARAMETER PoolType was invalid or Buffer is NULL.\r
6c98edac 225 PoolType was EfiPersistentMemory.\r
959ccb23 226\r
227**/\r
228typedef\r
229EFI_STATUS\r
8b13229b 230(EFIAPI *EFI_ALLOCATE_POOL)(\r
959ccb23 231 IN EFI_MEMORY_TYPE PoolType,\r
232 IN UINTN Size,\r
233 OUT VOID **Buffer\r
234 );\r
235\r
236/**\r
237 Returns pool memory to the system.\r
238\r
d3d92557 239 @param[in] Buffer The pointer to the buffer to free.\r
959ccb23 240\r
241 @retval EFI_SUCCESS The memory was returned to the system.\r
242 @retval EFI_INVALID_PARAMETER Buffer was invalid.\r
243\r
244**/\r
245typedef\r
246EFI_STATUS\r
8b13229b 247(EFIAPI *EFI_FREE_POOL)(\r
959ccb23 248 IN VOID *Buffer\r
249 );\r
250\r
251/**\r
252 Changes the runtime addressing mode of EFI firmware from physical to virtual.\r
253\r
d3d92557
FT
254 @param[in] MemoryMapSize The size in bytes of VirtualMap.\r
255 @param[in] DescriptorSize The size in bytes of an entry in the VirtualMap.\r
256 @param[in] DescriptorVersion The version of the structure entries in VirtualMap.\r
257 @param[in] VirtualMap An array of memory descriptors which contain new virtual\r
959ccb23 258 address mapping information for all runtime ranges.\r
259\r
260 @retval EFI_SUCCESS The virtual address map has been applied.\r
261 @retval EFI_UNSUPPORTED EFI firmware is not at runtime, or the EFI firmware is already in\r
262 virtual address mapped mode.\r
263 @retval EFI_INVALID_PARAMETER DescriptorSize or DescriptorVersion is invalid.\r
264 @retval EFI_NO_MAPPING A virtual address was not supplied for a range in the memory\r
265 map that requires a mapping.\r
266 @retval EFI_NOT_FOUND A virtual address was supplied for an address that is not found\r
267 in the memory map.\r
268\r
269**/\r
270typedef\r
271EFI_STATUS\r
8b13229b 272(EFIAPI *EFI_SET_VIRTUAL_ADDRESS_MAP)(\r
959ccb23 273 IN UINTN MemoryMapSize,\r
274 IN UINTN DescriptorSize,\r
275 IN UINT32 DescriptorVersion,\r
276 IN EFI_MEMORY_DESCRIPTOR *VirtualMap\r
277 );\r
278\r
279/**\r
280 Connects one or more drivers to a controller.\r
281\r
d3d92557
FT
282 @param[in] ControllerHandle The handle of the controller to which driver(s) are to be connected.\r
283 @param[in] DriverImageHandle A pointer to an ordered list handles that support the\r
284 EFI_DRIVER_BINDING_PROTOCOL.\r
285 @param[in] RemainingDevicePath A pointer to the device path that specifies a child of the\r
286 controller specified by ControllerHandle.\r
287 @param[in] Recursive If TRUE, then ConnectController() is called recursively\r
288 until the entire tree of controllers below the controller specified\r
289 by ControllerHandle have been created. If FALSE, then\r
290 the tree of controllers is only expanded one level.\r
959ccb23 291\r
292 @retval EFI_SUCCESS 1) One or more drivers were connected to ControllerHandle.\r
293 2) No drivers were connected to ControllerHandle, but\r
294 RemainingDevicePath is not NULL, and it is an End Device\r
295 Path Node.\r
18bd7e85 296 @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.\r
959ccb23 297 @retval EFI_NOT_FOUND 1) There are no EFI_DRIVER_BINDING_PROTOCOL instances\r
298 present in the system.\r
299 2) No drivers were connected to ControllerHandle.\r
b92b1209
LG
300 @retval EFI_SECURITY_VIOLATION \r
301 The user has no permission to start UEFI device drivers on the device path \r
302 associated with the ControllerHandle or specified by the RemainingDevicePath.\r
959ccb23 303**/\r
304typedef\r
305EFI_STATUS\r
8b13229b 306(EFIAPI *EFI_CONNECT_CONTROLLER)(\r
959ccb23 307 IN EFI_HANDLE ControllerHandle,\r
308 IN EFI_HANDLE *DriverImageHandle, OPTIONAL\r
309 IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath, OPTIONAL\r
310 IN BOOLEAN Recursive\r
311 );\r
312\r
313/**\r
314 Disconnects one or more drivers from a controller.\r
315\r
d3d92557
FT
316 @param[in] ControllerHandle The handle of the controller from which driver(s) are to be disconnected.\r
317 @param[in] DriverImageHandle The driver to disconnect from ControllerHandle.\r
318 If DriverImageHandle is NULL, then all the drivers currently managing\r
319 ControllerHandle are disconnected from ControllerHandle.\r
320 @param[in] ChildHandle The handle of the child to destroy.\r
321 If ChildHandle is NULL, then all the children of ControllerHandle are\r
322 destroyed before the drivers are disconnected from ControllerHandle.\r
959ccb23 323\r
324 @retval EFI_SUCCESS 1) One or more drivers were disconnected from the controller.\r
325 2) On entry, no drivers are managing ControllerHandle.\r
326 3) DriverImageHandle is not NULL, and on entry\r
327 DriverImageHandle is not managing ControllerHandle.\r
d9de7921 328 @retval EFI_INVALID_PARAMETER 1) ControllerHandle is NULL.\r
e0c047a0 329 2) DriverImageHandle is not NULL, and it is not a valid EFI_HANDLE.\r
330 3) ChildHandle is not NULL, and it is not a valid EFI_HANDLE.\r
331 4) DriverImageHandle does not support the EFI_DRIVER_BINDING_PROTOCOL.\r
959ccb23 332 @retval EFI_OUT_OF_RESOURCES There are not enough resources available to disconnect any drivers from\r
333 ControllerHandle.\r
334 @retval EFI_DEVICE_ERROR The controller could not be disconnected because of a device error.\r
335\r
336**/\r
337typedef\r
338EFI_STATUS\r
8b13229b 339(EFIAPI *EFI_DISCONNECT_CONTROLLER)(\r
959ccb23 340 IN EFI_HANDLE ControllerHandle,\r
341 IN EFI_HANDLE DriverImageHandle, OPTIONAL\r
342 IN EFI_HANDLE ChildHandle OPTIONAL\r
343 );\r
344\r
345\r
346\r
347//\r
348// ConvertPointer DebugDisposition type.\r
349//\r
350#define EFI_OPTIONAL_PTR 0x00000001\r
959ccb23 351\r
352/**\r
353 Determines the new virtual address that is to be used on subsequent memory accesses.\r
354\r
d3d92557
FT
355 @param[in] DebugDisposition Supplies type information for the pointer being converted.\r
356 @param[in, out] Address A pointer to a pointer that is to be fixed to be the value needed\r
357 for the new virtual address mappings being applied.\r
959ccb23 358\r
359 @retval EFI_SUCCESS The pointer pointed to by Address was modified.\r
360 @retval EFI_INVALID_PARAMETER 1) Address is NULL.\r
361 2) *Address is NULL and DebugDisposition does\r
362 not have the EFI_OPTIONAL_PTR bit set.\r
363 @retval EFI_NOT_FOUND The pointer pointed to by Address was not found to be part\r
364 of the current memory map. This is normally fatal.\r
365\r
366**/\r
367typedef\r
368EFI_STATUS\r
8b13229b 369(EFIAPI *EFI_CONVERT_POINTER)(\r
959ccb23 370 IN UINTN DebugDisposition,\r
371 IN OUT VOID **Address\r
372 );\r
373\r
374\r
375//\r
ac644614 376// These types can be ORed together as needed - for example,\r
93ce5aca 377// EVT_TIMER might be Ored with EVT_NOTIFY_WAIT or\r
959ccb23 378// EVT_NOTIFY_SIGNAL.\r
379//\r
00edb218
A
380#define EVT_TIMER 0x80000000\r
381#define EVT_RUNTIME 0x40000000\r
00edb218
A
382#define EVT_NOTIFY_WAIT 0x00000100\r
383#define EVT_NOTIFY_SIGNAL 0x00000200\r
93ce5aca 384\r
00edb218 385#define EVT_SIGNAL_EXIT_BOOT_SERVICES 0x00000201\r
93ce5aca 386#define EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE 0x60000202\r
959ccb23 387\r
388//\r
ac644614 389// The event's NotifyContext pointer points to a runtime memory\r
d0c64728 390// address.\r
959ccb23 391// The event is deprecated in UEFI2.0 and later specifications.\r
d0c64728 392//\r
959ccb23 393#define EVT_RUNTIME_CONTEXT 0x20000000\r
394\r
395\r
396/**\r
397 Invoke a notification event\r
398\r
d3d92557
FT
399 @param[in] Event Event whose notification function is being invoked.\r
400 @param[in] Context The pointer to the notification function's context,\r
401 which is implementation-dependent.\r
959ccb23 402\r
403**/\r
404typedef\r
405VOID\r
8b13229b 406(EFIAPI *EFI_EVENT_NOTIFY)(\r
959ccb23 407 IN EFI_EVENT Event,\r
408 IN VOID *Context\r
409 );\r
410\r
411/**\r
412 Creates an event.\r
413\r
d3d92557
FT
414 @param[in] Type The type of event to create and its mode and attributes.\r
415 @param[in] NotifyTpl The task priority level of event notifications, if needed.\r
416 @param[in] NotifyFunction The pointer to the event's notification function, if any.\r
417 @param[in] NotifyContext The pointer to the notification function's context; corresponds to parameter\r
959ccb23 418 Context in the notification function.\r
d3d92557 419 @param[out] Event The pointer to the newly created event if the call succeeds; undefined\r
959ccb23 420 otherwise.\r
421\r
422 @retval EFI_SUCCESS The event structure was created.\r
423 @retval EFI_INVALID_PARAMETER One or more parameters are invalid.\r
424 @retval EFI_OUT_OF_RESOURCES The event could not be allocated.\r
425\r
426**/\r
427typedef\r
428EFI_STATUS\r
8b13229b 429(EFIAPI *EFI_CREATE_EVENT)(\r
959ccb23 430 IN UINT32 Type,\r
431 IN EFI_TPL NotifyTpl,\r
432 IN EFI_EVENT_NOTIFY NotifyFunction,\r
433 IN VOID *NotifyContext,\r
434 OUT EFI_EVENT *Event\r
435 );\r
436\r
437/**\r
438 Creates an event in a group.\r
439\r
d3d92557
FT
440 @param[in] Type The type of event to create and its mode and attributes.\r
441 @param[in] NotifyTpl The task priority level of event notifications,if needed.\r
442 @param[in] NotifyFunction The pointer to the event's notification function, if any.\r
443 @param[in] NotifyContext The pointer to the notification function's context; corresponds to parameter\r
959ccb23 444 Context in the notification function.\r
d3d92557 445 @param[in] EventGroup The pointer to the unique identifier of the group to which this event belongs.\r
e0c047a0 446 If this is NULL, then the function behaves as if the parameters were passed\r
447 to CreateEvent.\r
d3d92557 448 @param[out] Event The pointer to the newly created event if the call succeeds; undefined\r
959ccb23 449 otherwise.\r
450\r
451 @retval EFI_SUCCESS The event structure was created.\r
452 @retval EFI_INVALID_PARAMETER One or more parameters are invalid.\r
453 @retval EFI_OUT_OF_RESOURCES The event could not be allocated.\r
454\r
455**/\r
456typedef\r
457EFI_STATUS\r
8b13229b 458(EFIAPI *EFI_CREATE_EVENT_EX)(\r
959ccb23 459 IN UINT32 Type,\r
e0c047a0 460 IN EFI_TPL NotifyTpl,\r
959ccb23 461 IN EFI_EVENT_NOTIFY NotifyFunction OPTIONAL,\r
462 IN CONST VOID *NotifyContext OPTIONAL,\r
463 IN CONST EFI_GUID *EventGroup OPTIONAL,\r
464 OUT EFI_EVENT *Event\r
465 );\r
466\r
e0c047a0 467///\r
468/// Timer delay types\r
469///\r
959ccb23 470typedef enum {\r
2a3f6a21 471 ///\r
af2dc6a7 472 /// An event's timer settings is to be cancelled and not trigger time is to be set/\r
2a3f6a21 473 ///\r
959ccb23 474 TimerCancel,\r
2a3f6a21 475 ///\r
93e8d03c 476 /// An event is to be signaled periodically at a specified interval from the current time.\r
2a3f6a21 477 ///\r
959ccb23 478 TimerPeriodic,\r
2a3f6a21 479 ///\r
93e8d03c 480 /// An event is to be signaled once at a specified interval from the current time.\r
2a3f6a21 481 ///\r
959ccb23 482 TimerRelative\r
483} EFI_TIMER_DELAY;\r
484\r
485/**\r
486 Sets the type of timer and the trigger time for a timer event.\r
487\r
d3d92557
FT
488 @param[in] Event The timer event that is to be signaled at the specified time.\r
489 @param[in] Type The type of time that is specified in TriggerTime.\r
490 @param[in] TriggerTime The number of 100ns units until the timer expires.\r
e0c047a0 491 A TriggerTime of 0 is legal.\r
492 If Type is TimerRelative and TriggerTime is 0, then the timer\r
493 event will be signaled on the next timer tick.\r
494 If Type is TimerPeriodic and TriggerTime is 0, then the timer\r
495 event will be signaled on every timer tick.\r
959ccb23 496\r
497 @retval EFI_SUCCESS The event has been set to be signaled at the requested time.\r
498 @retval EFI_INVALID_PARAMETER Event or Type is not valid.\r
499\r
500**/\r
501typedef\r
502EFI_STATUS\r
8b13229b 503(EFIAPI *EFI_SET_TIMER)(\r
959ccb23 504 IN EFI_EVENT Event,\r
505 IN EFI_TIMER_DELAY Type,\r
506 IN UINT64 TriggerTime\r
507 );\r
508\r
509/**\r
510 Signals an event.\r
511\r
d3d92557 512 @param[in] Event The event to signal.\r
959ccb23 513\r
514 @retval EFI_SUCCESS The event has been signaled.\r
515\r
516**/\r
517typedef\r
518EFI_STATUS\r
8b13229b 519(EFIAPI *EFI_SIGNAL_EVENT)(\r
959ccb23 520 IN EFI_EVENT Event\r
521 );\r
522\r
523/**\r
524 Stops execution until an event is signaled.\r
525\r
d3d92557
FT
526 @param[in] NumberOfEvents The number of events in the Event array.\r
527 @param[in] Event An array of EFI_EVENT.\r
528 @param[out] Index The pointer to the index of the event which satisfied the wait condition.\r
959ccb23 529\r
530 @retval EFI_SUCCESS The event indicated by Index was signaled.\r
531 @retval EFI_INVALID_PARAMETER 1) NumberOfEvents is 0.\r
532 2) The event indicated by Index is of type\r
533 EVT_NOTIFY_SIGNAL.\r
534 @retval EFI_UNSUPPORTED The current TPL is not TPL_APPLICATION.\r
535\r
536**/\r
537typedef\r
538EFI_STATUS\r
8b13229b 539(EFIAPI *EFI_WAIT_FOR_EVENT)(\r
959ccb23 540 IN UINTN NumberOfEvents,\r
541 IN EFI_EVENT *Event,\r
542 OUT UINTN *Index\r
543 );\r
544\r
545/**\r
546 Closes an event.\r
547\r
d3d92557 548 @param[in] Event The event to close.\r
959ccb23 549\r
550 @retval EFI_SUCCESS The event has been closed.\r
551\r
552**/\r
553typedef\r
554EFI_STATUS\r
8b13229b 555(EFIAPI *EFI_CLOSE_EVENT)(\r
959ccb23 556 IN EFI_EVENT Event\r
557 );\r
558\r
559/**\r
560 Checks whether an event is in the signaled state.\r
561\r
d3d92557 562 @param[in] Event The event to check.\r
959ccb23 563\r
564 @retval EFI_SUCCESS The event is in the signaled state.\r
565 @retval EFI_NOT_READY The event is not in the signaled state.\r
566 @retval EFI_INVALID_PARAMETER Event is of type EVT_NOTIFY_SIGNAL.\r
567\r
568**/\r
569typedef\r
570EFI_STATUS\r
8b13229b 571(EFIAPI *EFI_CHECK_EVENT)(\r
959ccb23 572 IN EFI_EVENT Event\r
573 );\r
574\r
575\r
576//\r
e0c047a0 577// Task priority level\r
959ccb23 578//\r
579#define TPL_APPLICATION 4\r
580#define TPL_CALLBACK 8\r
581#define TPL_NOTIFY 16\r
582#define TPL_HIGH_LEVEL 31\r
583\r
584\r
585/**\r
586 Raises a task's priority level and returns its previous level.\r
587\r
d3d92557 588 @param[in] NewTpl The new task priority level.\r
959ccb23 589\r
e0c047a0 590 @return Previous task priority level\r
959ccb23 591\r
592**/\r
593typedef\r
594EFI_TPL\r
8b13229b 595(EFIAPI *EFI_RAISE_TPL)(\r
959ccb23 596 IN EFI_TPL NewTpl\r
597 );\r
598\r
599/**\r
600 Restores a task's priority level to its previous value.\r
601\r
d3d92557 602 @param[in] OldTpl The previous task priority level to restore.\r
959ccb23 603\r
604**/\r
605typedef\r
606VOID\r
8b13229b 607(EFIAPI *EFI_RESTORE_TPL)(\r
959ccb23 608 IN EFI_TPL OldTpl\r
609 );\r
610\r
611/**\r
612 Returns the value of a variable.\r
613\r
d3d92557
FT
614 @param[in] VariableName A Null-terminated string that is the name of the vendor's\r
615 variable.\r
616 @param[in] VendorGuid A unique identifier for the vendor.\r
617 @param[out] Attributes If not NULL, a pointer to the memory location to return the\r
618 attributes bitmask for the variable.\r
619 @param[in, out] DataSize On input, the size in bytes of the return Data buffer.\r
620 On output the size of data returned in Data.\r
621 @param[out] Data The buffer to return the contents of the variable.\r
959ccb23 622\r
e0c047a0 623 @retval EFI_SUCCESS The function completed successfully.\r
624 @retval EFI_NOT_FOUND The variable was not found.\r
625 @retval EFI_BUFFER_TOO_SMALL The DataSize is too small for the result.\r
626 @retval EFI_INVALID_PARAMETER VariableName is NULL.\r
627 @retval EFI_INVALID_PARAMETER VendorGuid is NULL.\r
628 @retval EFI_INVALID_PARAMETER DataSize is NULL.\r
629 @retval EFI_INVALID_PARAMETER The DataSize is not too small and Data is NULL.\r
630 @retval EFI_DEVICE_ERROR The variable could not be retrieved due to a hardware error.\r
631 @retval EFI_SECURITY_VIOLATION The variable could not be retrieved due to an authentication failure.\r
959ccb23 632\r
633**/\r
634typedef\r
635EFI_STATUS\r
8b13229b 636(EFIAPI *EFI_GET_VARIABLE)(\r
959ccb23 637 IN CHAR16 *VariableName,\r
638 IN EFI_GUID *VendorGuid,\r
639 OUT UINT32 *Attributes, OPTIONAL\r
640 IN OUT UINTN *DataSize,\r
641 OUT VOID *Data\r
642 );\r
643\r
644/**\r
645 Enumerates the current variable names.\r
646\r
d3d92557
FT
647 @param[in, out] VariableNameSize The size of the VariableName buffer.\r
648 @param[in, out] VariableName On input, supplies the last VariableName that was returned\r
649 by GetNextVariableName(). On output, returns the Nullterminated\r
650 string of the current variable.\r
651 @param[in, out] VendorGuid On input, supplies the last VendorGuid that was returned by\r
652 GetNextVariableName(). On output, returns the\r
653 VendorGuid of the current variable.\r
959ccb23 654\r
655 @retval EFI_SUCCESS The function completed successfully.\r
656 @retval EFI_NOT_FOUND The next variable was not found.\r
657 @retval EFI_BUFFER_TOO_SMALL The VariableNameSize is too small for the result.\r
e0c047a0 658 @retval EFI_INVALID_PARAMETER VariableNameSize is NULL.\r
659 @retval EFI_INVALID_PARAMETER VariableName is NULL.\r
660 @retval EFI_INVALID_PARAMETER VendorGuid is NULL.\r
959ccb23 661 @retval EFI_DEVICE_ERROR The variable could not be retrieved due to a hardware error.\r
662\r
663**/\r
664typedef\r
665EFI_STATUS\r
8b13229b 666(EFIAPI *EFI_GET_NEXT_VARIABLE_NAME)(\r
959ccb23 667 IN OUT UINTN *VariableNameSize,\r
668 IN OUT CHAR16 *VariableName,\r
669 IN OUT EFI_GUID *VendorGuid\r
670 );\r
671\r
672/**\r
673 Sets the value of a variable.\r
674\r
d3d92557 675 @param[in] VariableName A Null-terminated string that is the name of the vendor's variable.\r
db27cda5 676 Each VariableName is unique for each VendorGuid. VariableName must\r
677 contain 1 or more characters. If VariableName is an empty string,\r
678 then EFI_INVALID_PARAMETER is returned.\r
d3d92557
FT
679 @param[in] VendorGuid A unique identifier for the vendor.\r
680 @param[in] Attributes Attributes bitmask to set for the variable.\r
681 @param[in] DataSize The size in bytes of the Data buffer. Unless the EFI_VARIABLE_APPEND_WRITE, \r
ce1d1c9a
SQ
682 EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS, or \r
683 EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS attribute is set, a size of zero \r
684 causes the variable to be deleted. When the EFI_VARIABLE_APPEND_WRITE attribute is \r
685 set, then a SetVariable() call with a DataSize of zero will not cause any change to \r
686 the variable value (the timestamp associated with the variable may be updated however \r
687 even if no new data value is provided,see the description of the \r
688 EFI_VARIABLE_AUTHENTICATION_2 descriptor below. In this case the DataSize will not \r
689 be zero since the EFI_VARIABLE_AUTHENTICATION_2 descriptor will be populated). \r
d3d92557 690 @param[in] Data The contents for the variable.\r
959ccb23 691\r
e0c047a0 692 @retval EFI_SUCCESS The firmware has successfully stored the variable and its data as\r
693 defined by the Attributes.\r
6675a21f 694 @retval EFI_INVALID_PARAMETER An invalid combination of attribute bits, name, and GUID was supplied, or the\r
e0c047a0 695 DataSize exceeds the maximum allowed.\r
db27cda5 696 @retval EFI_INVALID_PARAMETER VariableName is an empty string.\r
e0c047a0 697 @retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold the variable and its data.\r
698 @retval EFI_DEVICE_ERROR The variable could not be retrieved due to a hardware error.\r
699 @retval EFI_WRITE_PROTECTED The variable in question is read-only.\r
700 @retval EFI_WRITE_PROTECTED The variable in question cannot be deleted.\r
ce1d1c9a
SQ
701 @retval EFI_SECURITY_VIOLATION The variable could not be written due to EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS \r
702 or EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACESS being set, but the AuthInfo \r
703 does NOT pass the validation check carried out by the firmware.\r
704 \r
e0c047a0 705 @retval EFI_NOT_FOUND The variable trying to be updated or deleted was not found.\r
959ccb23 706\r
707**/\r
708typedef\r
709EFI_STATUS\r
8b13229b 710(EFIAPI *EFI_SET_VARIABLE)(\r
959ccb23 711 IN CHAR16 *VariableName,\r
712 IN EFI_GUID *VendorGuid,\r
713 IN UINT32 Attributes,\r
714 IN UINTN DataSize,\r
715 IN VOID *Data\r
716 );\r
717\r
718\r
e0c047a0 719///\r
720/// This provides the capabilities of the\r
721/// real time clock device as exposed through the EFI interfaces.\r
722///\r
959ccb23 723typedef struct {\r
1bf79370
LG
724 ///\r
725 /// Provides the reporting resolution of the real-time clock device in\r
726 /// counts per second. For a normal PC-AT CMOS RTC device, this\r
727 /// value would be 1 Hz, or 1, to indicate that the device only reports\r
728 /// the time to the resolution of 1 second.\r
729 ///\r
00edb218 730 UINT32 Resolution;\r
1bf79370
LG
731 ///\r
732 /// Provides the timekeeping accuracy of the real-time clock in an\r
733 /// error rate of 1E-6 parts per million. For a clock with an accuracy\r
734 /// of 50 parts per million, the value in this field would be\r
735 /// 50,000,000.\r
736 ///\r
00edb218 737 UINT32 Accuracy;\r
1bf79370 738 ///\r
de2314f8 739 /// A TRUE indicates that a time set operation clears the device's\r
1bf79370
LG
740 /// time below the Resolution reporting level. A FALSE\r
741 /// indicates that the state below the Resolution level of the\r
742 /// device is not cleared when the time is set. Normal PC-AT CMOS\r
743 /// RTC devices set this value to FALSE.\r
744 ///\r
00edb218 745 BOOLEAN SetsToZero;\r
959ccb23 746} EFI_TIME_CAPABILITIES;\r
747\r
748/**\r
749 Returns the current time and date information, and the time-keeping capabilities\r
750 of the hardware platform.\r
751\r
d3d92557
FT
752 @param[out] Time A pointer to storage to receive a snapshot of the current time.\r
753 @param[out] Capabilities An optional pointer to a buffer to receive the real time clock\r
959ccb23 754 device's capabilities.\r
755\r
756 @retval EFI_SUCCESS The operation completed successfully.\r
757 @retval EFI_INVALID_PARAMETER Time is NULL.\r
758 @retval EFI_DEVICE_ERROR The time could not be retrieved due to hardware error.\r
759\r
760**/\r
761typedef\r
762EFI_STATUS\r
8b13229b 763(EFIAPI *EFI_GET_TIME)(\r
959ccb23 764 OUT EFI_TIME *Time,\r
765 OUT EFI_TIME_CAPABILITIES *Capabilities OPTIONAL\r
766 );\r
767\r
768/**\r
769 Sets the current local time and date information.\r
770\r
d3d92557 771 @param[in] Time A pointer to the current time.\r
959ccb23 772\r
773 @retval EFI_SUCCESS The operation completed successfully.\r
774 @retval EFI_INVALID_PARAMETER A time field is out of range.\r
775 @retval EFI_DEVICE_ERROR The time could not be set due due to hardware error.\r
776\r
777**/\r
778typedef\r
779EFI_STATUS\r
8b13229b 780(EFIAPI *EFI_SET_TIME)(\r
959ccb23 781 IN EFI_TIME *Time\r
782 );\r
783\r
784/**\r
785 Returns the current wakeup alarm clock setting.\r
786\r
d3d92557
FT
787 @param[out] Enabled Indicates if the alarm is currently enabled or disabled.\r
788 @param[out] Pending Indicates if the alarm signal is pending and requires acknowledgement.\r
789 @param[out] Time The current alarm setting.\r
959ccb23 790\r
791 @retval EFI_SUCCESS The alarm settings were returned.\r
e0c047a0 792 @retval EFI_INVALID_PARAMETER Enabled is NULL.\r
793 @retval EFI_INVALID_PARAMETER Pending is NULL.\r
794 @retval EFI_INVALID_PARAMETER Time is NULL.\r
959ccb23 795 @retval EFI_DEVICE_ERROR The wakeup time could not be retrieved due to a hardware error.\r
e0c047a0 796 @retval EFI_UNSUPPORTED A wakeup timer is not supported on this platform.\r
959ccb23 797\r
798**/\r
799typedef\r
800EFI_STATUS\r
8b13229b 801(EFIAPI *EFI_GET_WAKEUP_TIME)(\r
959ccb23 802 OUT BOOLEAN *Enabled,\r
803 OUT BOOLEAN *Pending,\r
804 OUT EFI_TIME *Time\r
805 );\r
806\r
807/**\r
808 Sets the system wakeup alarm clock time.\r
809\r
d3d92557
FT
810 @param[in] Enable Enable or disable the wakeup alarm.\r
811 @param[in] Time If Enable is TRUE, the time to set the wakeup alarm for.\r
e0c047a0 812 If Enable is FALSE, then this parameter is optional, and may be NULL.\r
959ccb23 813\r
814 @retval EFI_SUCCESS If Enable is TRUE, then the wakeup alarm was enabled. If\r
815 Enable is FALSE, then the wakeup alarm was disabled.\r
816 @retval EFI_INVALID_PARAMETER A time field is out of range.\r
817 @retval EFI_DEVICE_ERROR The wakeup time could not be set due to a hardware error.\r
818 @retval EFI_UNSUPPORTED A wakeup timer is not supported on this platform.\r
819\r
820**/\r
821typedef\r
822EFI_STATUS\r
8b13229b 823(EFIAPI *EFI_SET_WAKEUP_TIME)(\r
959ccb23 824 IN BOOLEAN Enable,\r
825 IN EFI_TIME *Time OPTIONAL\r
826 );\r
827\r
959ccb23 828/**\r
829 Loads an EFI image into memory.\r
830\r
d3d92557
FT
831 @param[in] BootPolicy If TRUE, indicates that the request originates from the boot\r
832 manager, and that the boot manager is attempting to load\r
833 FilePath as a boot selection. Ignored if SourceBuffer is\r
834 not NULL.\r
835 @param[in] ParentImageHandle The caller's image handle.\r
836 @param[in] DevicePath The DeviceHandle specific file path from which the image is\r
837 loaded.\r
838 @param[in] SourceBuffer If not NULL, a pointer to the memory location containing a copy\r
839 of the image to be loaded.\r
840 @param[in] SourceSize The size in bytes of SourceBuffer. Ignored if SourceBuffer is NULL.\r
841 @param[out] ImageHandle The pointer to the returned image handle that is created when the\r
842 image is successfully loaded.\r
843\r
844 @retval EFI_SUCCESS Image was loaded into memory correctly.\r
845 @retval EFI_NOT_FOUND Both SourceBuffer and DevicePath are NULL.\r
846 @retval EFI_INVALID_PARAMETER One or more parametes are invalid.\r
847 @retval EFI_UNSUPPORTED The image type is not supported.\r
848 @retval EFI_OUT_OF_RESOURCES Image was not loaded due to insufficient resources.\r
849 @retval EFI_LOAD_ERROR Image was not loaded because the image format was corrupt or not\r
850 understood.\r
851 @retval EFI_DEVICE_ERROR Image was not loaded because the device returned a read error.\r
852 @retval EFI_ACCESS_DENIED Image was not loaded because the platform policy prohibits the \r
853 image from being loaded. NULL is returned in *ImageHandle.\r
9095e76b 854 @retval EFI_SECURITY_VIOLATION Image was loaded and an ImageHandle was created with a \r
d3d92557
FT
855 valid EFI_LOADED_IMAGE_PROTOCOL. However, the current \r
856 platform policy specifies that the image should not be started.\r
959ccb23 857**/\r
858typedef\r
859EFI_STATUS\r
8b13229b 860(EFIAPI *EFI_IMAGE_LOAD)(\r
959ccb23 861 IN BOOLEAN BootPolicy,\r
862 IN EFI_HANDLE ParentImageHandle,\r
e0c047a0 863 IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,\r
959ccb23 864 IN VOID *SourceBuffer OPTIONAL,\r
865 IN UINTN SourceSize,\r
866 OUT EFI_HANDLE *ImageHandle\r
867 );\r
868\r
869/**\r
870 Transfers control to a loaded image's entry point.\r
871\r
d3d92557
FT
872 @param[in] ImageHandle Handle of image to be started.\r
873 @param[out] ExitDataSize The pointer to the size, in bytes, of ExitData.\r
874 @param[out] ExitData The pointer to a pointer to a data buffer that includes a Null-terminated\r
875 string, optionally followed by additional binary data.\r
959ccb23 876\r
b92b1209
LG
877 @retval EFI_INVALID_PARAMETER ImageHandle is either an invalid image handle or the image\r
878 has already been initialized with StartImage.\r
879 @retval EFI_SECURITY_VIOLATION The current platform policy specifies that the image should not be started.\r
e0c047a0 880 @return Exit code from image\r
959ccb23 881\r
882**/\r
883typedef\r
884EFI_STATUS\r
8b13229b 885(EFIAPI *EFI_IMAGE_START)(\r
959ccb23 886 IN EFI_HANDLE ImageHandle,\r
887 OUT UINTN *ExitDataSize,\r
888 OUT CHAR16 **ExitData OPTIONAL\r
889 );\r
890\r
891/**\r
892 Terminates a loaded EFI image and returns control to boot services.\r
893\r
d3d92557 894 @param[in] ImageHandle Handle that identifies the image. This parameter is passed to the \r
fbf926ad 895 image on entry.\r
d3d92557
FT
896 @param[in] ExitStatus The image's exit code.\r
897 @param[in] ExitDataSize The size, in bytes, of ExitData. Ignored if ExitStatus is EFI_SUCCESS.\r
898 @param[in] ExitData The pointer to a data buffer that includes a Null-terminated string,\r
fbf926ad 899 optionally followed by additional binary data. The string is a \r
900 description that the caller may use to further indicate the reason \r
901 for the image's exit. ExitData is only valid if ExitStatus \r
902 is something other than EFI_SUCCESS. The ExitData buffer \r
903 must be allocated by calling AllocatePool().\r
959ccb23 904\r
905 @retval EFI_SUCCESS The image specified by ImageHandle was unloaded.\r
906 @retval EFI_INVALID_PARAMETER The image specified by ImageHandle has been loaded and\r
907 started with LoadImage() and StartImage(), but the\r
908 image is not the currently executing image.\r
909\r
910**/\r
911typedef\r
912EFI_STATUS\r
8b13229b 913(EFIAPI *EFI_EXIT)(\r
959ccb23 914 IN EFI_HANDLE ImageHandle,\r
915 IN EFI_STATUS ExitStatus,\r
916 IN UINTN ExitDataSize,\r
917 IN CHAR16 *ExitData OPTIONAL\r
918 );\r
919\r
920/**\r
921 Unloads an image.\r
922\r
d3d92557 923 @param[in] ImageHandle Handle that identifies the image to be unloaded.\r
959ccb23 924\r
925 @retval EFI_SUCCESS The image has been unloaded.\r
926 @retval EFI_INVALID_PARAMETER ImageHandle is not a valid image handle.\r
959ccb23 927\r
928**/\r
929typedef\r
930EFI_STATUS\r
8b13229b 931(EFIAPI *EFI_IMAGE_UNLOAD)(\r
959ccb23 932 IN EFI_HANDLE ImageHandle\r
933 );\r
934\r
935/**\r
936 Terminates all boot services.\r
937\r
d3d92557
FT
938 @param[in] ImageHandle Handle that identifies the exiting image.\r
939 @param[in] MapKey Key to the latest memory map.\r
959ccb23 940\r
941 @retval EFI_SUCCESS Boot services have been terminated.\r
942 @retval EFI_INVALID_PARAMETER MapKey is incorrect.\r
943\r
944**/\r
945typedef\r
946EFI_STATUS\r
8b13229b 947(EFIAPI *EFI_EXIT_BOOT_SERVICES)(\r
959ccb23 948 IN EFI_HANDLE ImageHandle,\r
949 IN UINTN MapKey\r
950 );\r
951\r
952/**\r
953 Induces a fine-grained stall.\r
954\r
d3d92557 955 @param[in] Microseconds The number of microseconds to stall execution.\r
959ccb23 956\r
957 @retval EFI_SUCCESS Execution was stalled at least the requested number of\r
958 Microseconds.\r
959\r
960**/\r
961typedef\r
962EFI_STATUS\r
8b13229b 963(EFIAPI *EFI_STALL)(\r
959ccb23 964 IN UINTN Microseconds\r
965 );\r
966\r
967/**\r
968 Sets the system's watchdog timer.\r
969\r
d3d92557
FT
970 @param[in] Timeout The number of seconds to set the watchdog timer to.\r
971 @param[in] WatchdogCode The numeric code to log on a watchdog timer timeout event.\r
972 @param[in] DataSize The size, in bytes, of WatchdogData.\r
973 @param[in] WatchdogData A data buffer that includes a Null-terminated string, optionally\r
959ccb23 974 followed by additional binary data.\r
975\r
976 @retval EFI_SUCCESS The timeout has been set.\r
977 @retval EFI_INVALID_PARAMETER The supplied WatchdogCode is invalid.\r
978 @retval EFI_UNSUPPORTED The system does not have a watchdog timer.\r
af2dc6a7 979 @retval EFI_DEVICE_ERROR The watchdog timer could not be programmed due to a hardware\r
959ccb23 980 error.\r
981\r
982**/\r
983typedef\r
984EFI_STATUS\r
8b13229b 985(EFIAPI *EFI_SET_WATCHDOG_TIMER)(\r
959ccb23 986 IN UINTN Timeout,\r
987 IN UINT64 WatchdogCode,\r
988 IN UINTN DataSize,\r
989 IN CHAR16 *WatchdogData OPTIONAL\r
990 );\r
991\r
959ccb23 992/**\r
993 Resets the entire platform.\r
994\r
d3d92557
FT
995 @param[in] ResetType The type of reset to perform.\r
996 @param[in] ResetStatus The status code for the reset.\r
997 @param[in] DataSize The size, in bytes, of WatchdogData.\r
998 @param[in] ResetData For a ResetType of EfiResetCold, EfiResetWarm, or\r
959ccb23 999 EfiResetShutdown the data buffer starts with a Null-terminated\r
fbf926ad 1000 string, optionally followed by additional binary data.\r
959ccb23 1001\r
1002**/\r
1003typedef\r
1004VOID\r
8b13229b 1005(EFIAPI *EFI_RESET_SYSTEM)(\r
959ccb23 1006 IN EFI_RESET_TYPE ResetType,\r
1007 IN EFI_STATUS ResetStatus,\r
1008 IN UINTN DataSize,\r
b058028b 1009 IN VOID *ResetData OPTIONAL\r
959ccb23 1010 );\r
1011\r
1012/**\r
1013 Returns a monotonically increasing count for the platform.\r
1014\r
d3d92557 1015 @param[out] Count The pointer to returned value.\r
959ccb23 1016\r
1017 @retval EFI_SUCCESS The next monotonic count was returned.\r
1018 @retval EFI_INVALID_PARAMETER Count is NULL.\r
1019 @retval EFI_DEVICE_ERROR The device is not functioning properly.\r
1020\r
1021**/\r
1022typedef\r
1023EFI_STATUS\r
8b13229b 1024(EFIAPI *EFI_GET_NEXT_MONOTONIC_COUNT)(\r
959ccb23 1025 OUT UINT64 *Count\r
1026 );\r
1027\r
1028/**\r
1029 Returns the next high 32 bits of the platform's monotonic counter.\r
1030\r
d3d92557 1031 @param[out] HighCount The pointer to returned value.\r
959ccb23 1032\r
1033 @retval EFI_SUCCESS The next high monotonic count was returned.\r
1034 @retval EFI_INVALID_PARAMETER HighCount is NULL.\r
1035 @retval EFI_DEVICE_ERROR The device is not functioning properly.\r
1036\r
1037**/\r
1038typedef\r
1039EFI_STATUS\r
8b13229b 1040(EFIAPI *EFI_GET_NEXT_HIGH_MONO_COUNT)(\r
959ccb23 1041 OUT UINT32 *HighCount\r
1042 );\r
1043\r
1044/**\r
1045 Computes and returns a 32-bit CRC for a data buffer.\r
1046\r
d3d92557
FT
1047 @param[in] Data A pointer to the buffer on which the 32-bit CRC is to be computed.\r
1048 @param[in] DataSize The number of bytes in the buffer Data.\r
1049 @param[out] Crc32 The 32-bit CRC that was computed for the data buffer specified by Data\r
959ccb23 1050 and DataSize.\r
1051\r
1052 @retval EFI_SUCCESS The 32-bit CRC was computed for the data buffer and returned in\r
1053 Crc32.\r
e0c047a0 1054 @retval EFI_INVALID_PARAMETER Data is NULL.\r
1055 @retval EFI_INVALID_PARAMETER Crc32 is NULL.\r
1056 @retval EFI_INVALID_PARAMETER DataSize is 0.\r
959ccb23 1057\r
1058**/\r
1059typedef\r
1060EFI_STATUS\r
8b13229b 1061(EFIAPI *EFI_CALCULATE_CRC32)(\r
959ccb23 1062 IN VOID *Data,\r
1063 IN UINTN DataSize,\r
1064 OUT UINT32 *Crc32\r
1065 );\r
1066\r
1067/**\r
1068 Copies the contents of one buffer to another buffer.\r
1069\r
d3d92557
FT
1070 @param[in] Destination The pointer to the destination buffer of the memory copy.\r
1071 @param[in] Source The pointer to the source buffer of the memory copy.\r
1072 @param[in] Length Number of bytes to copy from Source to Destination.\r
959ccb23 1073\r
1074**/\r
1075typedef\r
1076VOID\r
8b13229b 1077(EFIAPI *EFI_COPY_MEM)(\r
959ccb23 1078 IN VOID *Destination,\r
1079 IN VOID *Source,\r
1080 IN UINTN Length\r
1081 );\r
1082\r
1083/**\r
1084 The SetMem() function fills a buffer with a specified value.\r
1085\r
d3d92557
FT
1086 @param[in] Buffer The pointer to the buffer to fill.\r
1087 @param[in] Size Number of bytes in Buffer to fill.\r
1088 @param[in] Value Value to fill Buffer with.\r
959ccb23 1089\r
1090**/\r
1091typedef\r
1092VOID\r
8b13229b 1093(EFIAPI *EFI_SET_MEM)(\r
959ccb23 1094 IN VOID *Buffer,\r
1095 IN UINTN Size,\r
1096 IN UINT8 Value\r
1097 );\r
1098\r
2a3f6a21 1099///\r
1100/// Enumeration of EFI Interface Types\r
1101///\r
959ccb23 1102typedef enum {\r
2a3f6a21 1103 ///\r
1104 /// Indicates that the supplied protocol interface is supplied in native form.\r
1105 ///\r
959ccb23 1106 EFI_NATIVE_INTERFACE\r
1107} EFI_INTERFACE_TYPE;\r
1108\r
1109/**\r
1110 Installs a protocol interface on a device handle. If the handle does not exist, it is created and added\r
1111 to the list of handles in the system. InstallMultipleProtocolInterfaces() performs\r
1112 more error checking than InstallProtocolInterface(), so it is recommended that\r
1113 InstallMultipleProtocolInterfaces() be used in place of\r
1114 InstallProtocolInterface()\r
1115\r
d3d92557
FT
1116 @param[in, out] Handle A pointer to the EFI_HANDLE on which the interface is to be installed.\r
1117 @param[in] Protocol The numeric ID of the protocol interface.\r
1118 @param[in] InterfaceType Indicates whether Interface is supplied in native form.\r
1119 @param[in] Interface A pointer to the protocol interface.\r
959ccb23 1120\r
1121 @retval EFI_SUCCESS The protocol interface was installed.\r
1122 @retval EFI_OUT_OF_RESOURCES Space for a new handle could not be allocated.\r
e0c047a0 1123 @retval EFI_INVALID_PARAMETER Handle is NULL.\r
1124 @retval EFI_INVALID_PARAMETER Protocol is NULL.\r
1125 @retval EFI_INVALID_PARAMETER InterfaceType is not EFI_NATIVE_INTERFACE.\r
1126 @retval EFI_INVALID_PARAMETER Protocol is already installed on the handle specified by Handle.\r
959ccb23 1127\r
1128**/\r
1129typedef\r
1130EFI_STATUS\r
8b13229b 1131(EFIAPI *EFI_INSTALL_PROTOCOL_INTERFACE)(\r
959ccb23 1132 IN OUT EFI_HANDLE *Handle,\r
1133 IN EFI_GUID *Protocol,\r
1134 IN EFI_INTERFACE_TYPE InterfaceType,\r
1135 IN VOID *Interface\r
1136 );\r
1137\r
1138/**\r
1139 Installs one or more protocol interfaces into the boot services environment.\r
1140\r
d3d92557 1141 @param[in, out] Handle The pointer to a handle to install the new protocol interfaces on,\r
4a23eaa9 1142 or a pointer to NULL if a new handle is to be allocated.\r
959ccb23 1143 @param ... A variable argument list containing pairs of protocol GUIDs and protocol\r
1144 interfaces.\r
1145\r
1146 @retval EFI_SUCCESS All the protocol interface was installed.\r
1147 @retval EFI_OUT_OF_RESOURCES There was not enough memory in pool to install all the protocols.\r
1148 @retval EFI_ALREADY_STARTED A Device Path Protocol instance was passed in that is already present in\r
1149 the handle database.\r
5a7b9bbe
SQ
1150 @retval EFI_INVALID_PARAMETER Handle is NULL.\r
1151 @retval EFI_INVALID_PARAMETER Protocol is already installed on the handle specified by Handle.\r
959ccb23 1152\r
1153**/\r
1154typedef\r
1155EFI_STATUS\r
8b13229b 1156(EFIAPI *EFI_INSTALL_MULTIPLE_PROTOCOL_INTERFACES)(\r
959ccb23 1157 IN OUT EFI_HANDLE *Handle,\r
1158 ...\r
1159 );\r
1160\r
1161/**\r
1162 Reinstalls a protocol interface on a device handle.\r
1163\r
d3d92557
FT
1164 @param[in] Handle Handle on which the interface is to be reinstalled.\r
1165 @param[in] Protocol The numeric ID of the interface.\r
1166 @param[in] OldInterface A pointer to the old interface. NULL can be used if a structure is not\r
959ccb23 1167 associated with Protocol.\r
d3d92557 1168 @param[in] NewInterface A pointer to the new interface.\r
959ccb23 1169\r
1170 @retval EFI_SUCCESS The protocol interface was reinstalled.\r
1171 @retval EFI_NOT_FOUND The OldInterface on the handle was not found.\r
1172 @retval EFI_ACCESS_DENIED The protocol interface could not be reinstalled,\r
1173 because OldInterface is still being used by a\r
1174 driver that will not release it.\r
18bd7e85 1175 @retval EFI_INVALID_PARAMETER Handle is NULL.\r
e0c047a0 1176 @retval EFI_INVALID_PARAMETER Protocol is NULL.\r
959ccb23 1177\r
1178**/\r
1179typedef\r
1180EFI_STATUS\r
8b13229b 1181(EFIAPI *EFI_REINSTALL_PROTOCOL_INTERFACE)(\r
959ccb23 1182 IN EFI_HANDLE Handle,\r
1183 IN EFI_GUID *Protocol,\r
1184 IN VOID *OldInterface,\r
1185 IN VOID *NewInterface\r
1186 );\r
1187\r
1188/**\r
1189 Removes a protocol interface from a device handle. It is recommended that\r
1190 UninstallMultipleProtocolInterfaces() be used in place of\r
1191 UninstallProtocolInterface().\r
1192\r
d3d92557
FT
1193 @param[in] Handle The handle on which the interface was installed.\r
1194 @param[in] Protocol The numeric ID of the interface.\r
1195 @param[in] Interface A pointer to the interface.\r
959ccb23 1196\r
1197 @retval EFI_SUCCESS The interface was removed.\r
1198 @retval EFI_NOT_FOUND The interface was not found.\r
1199 @retval EFI_ACCESS_DENIED The interface was not removed because the interface\r
1200 is still being used by a driver.\r
18bd7e85 1201 @retval EFI_INVALID_PARAMETER Handle is NULL.\r
e0c047a0 1202 @retval EFI_INVALID_PARAMETER Protocol is NULL.\r
959ccb23 1203\r
1204**/\r
1205typedef\r
1206EFI_STATUS\r
8b13229b 1207(EFIAPI *EFI_UNINSTALL_PROTOCOL_INTERFACE)(\r
959ccb23 1208 IN EFI_HANDLE Handle,\r
1209 IN EFI_GUID *Protocol,\r
1210 IN VOID *Interface\r
1211 );\r
1212\r
1213/**\r
1214 Removes one or more protocol interfaces into the boot services environment.\r
1215\r
d3d92557 1216 @param[in] Handle The handle to remove the protocol interfaces from.\r
959ccb23 1217 @param ... A variable argument list containing pairs of protocol GUIDs and\r
1218 protocol interfaces.\r
1219\r
1220 @retval EFI_SUCCESS All the protocol interfaces were removed.\r
1221 @retval EFI_INVALID_PARAMETER One of the protocol interfaces was not previously installed on Handle.\r
1222\r
1223**/\r
1224typedef\r
1225EFI_STATUS\r
8b13229b 1226(EFIAPI *EFI_UNINSTALL_MULTIPLE_PROTOCOL_INTERFACES)(\r
959ccb23 1227 IN EFI_HANDLE Handle,\r
1228 ...\r
1229 );\r
1230\r
1231/**\r
1232 Queries a handle to determine if it supports a specified protocol.\r
1233\r
d3d92557
FT
1234 @param[in] Handle The handle being queried.\r
1235 @param[in] Protocol The published unique identifier of the protocol.\r
1236 @param[out] Interface Supplies the address where a pointer to the corresponding Protocol\r
959ccb23 1237 Interface is returned.\r
e0c047a0 1238\r
959ccb23 1239 @retval EFI_SUCCESS The interface information for the specified protocol was returned.\r
1240 @retval EFI_UNSUPPORTED The device does not support the specified protocol.\r
18bd7e85 1241 @retval EFI_INVALID_PARAMETER Handle is NULL.\r
e0c047a0 1242 @retval EFI_INVALID_PARAMETER Protocol is NULL.\r
1243 @retval EFI_INVALID_PARAMETER Interface is NULL.\r
959ccb23 1244\r
1245**/\r
1246typedef\r
1247EFI_STATUS\r
8b13229b 1248(EFIAPI *EFI_HANDLE_PROTOCOL)(\r
959ccb23 1249 IN EFI_HANDLE Handle,\r
1250 IN EFI_GUID *Protocol,\r
1251 OUT VOID **Interface\r
1252 );\r
1253\r
1254#define EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL 0x00000001\r
1255#define EFI_OPEN_PROTOCOL_GET_PROTOCOL 0x00000002\r
1256#define EFI_OPEN_PROTOCOL_TEST_PROTOCOL 0x00000004\r
1257#define EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER 0x00000008\r
1258#define EFI_OPEN_PROTOCOL_BY_DRIVER 0x00000010\r
1259#define EFI_OPEN_PROTOCOL_EXCLUSIVE 0x00000020\r
1260\r
1261/**\r
1262 Queries a handle to determine if it supports a specified protocol. If the protocol is supported by the\r
1263 handle, it opens the protocol on behalf of the calling agent.\r
1264\r
d3d92557
FT
1265 @param[in] Handle The handle for the protocol interface that is being opened.\r
1266 @param[in] Protocol The published unique identifier of the protocol.\r
1267 @param[out] Interface Supplies the address where a pointer to the corresponding Protocol\r
959ccb23 1268 Interface is returned.\r
d3d92557 1269 @param[in] AgentHandle The handle of the agent that is opening the protocol interface\r
959ccb23 1270 specified by Protocol and Interface.\r
d3d92557 1271 @param[in] ControllerHandle If the agent that is opening a protocol is a driver that follows the\r
959ccb23 1272 UEFI Driver Model, then this parameter is the controller handle\r
1273 that requires the protocol interface. If the agent does not follow\r
1274 the UEFI Driver Model, then this parameter is optional and may\r
1275 be NULL.\r
d3d92557 1276 @param[in] Attributes The open mode of the protocol interface specified by Handle\r
959ccb23 1277 and Protocol.\r
1278\r
1279 @retval EFI_SUCCESS An item was added to the open list for the protocol interface, and the\r
1280 protocol interface was returned in Interface.\r
1281 @retval EFI_UNSUPPORTED Handle does not support Protocol.\r
1282 @retval EFI_INVALID_PARAMETER One or more parameters are invalid.\r
1283 @retval EFI_ACCESS_DENIED Required attributes can't be supported in current environment.\r
1284 @retval EFI_ALREADY_STARTED Item on the open list already has requierd attributes whose agent\r
1285 handle is the same as AgentHandle.\r
1286\r
1287**/\r
1288typedef\r
1289EFI_STATUS\r
8b13229b 1290(EFIAPI *EFI_OPEN_PROTOCOL)(\r
959ccb23 1291 IN EFI_HANDLE Handle,\r
1292 IN EFI_GUID *Protocol,\r
e0c047a0 1293 OUT VOID **Interface, OPTIONAL\r
959ccb23 1294 IN EFI_HANDLE AgentHandle,\r
e0c047a0 1295 IN EFI_HANDLE ControllerHandle,\r
959ccb23 1296 IN UINT32 Attributes\r
1297 );\r
1298\r
1299\r
1300/**\r
1301 Closes a protocol on a handle that was opened using OpenProtocol().\r
1302\r
d3d92557 1303 @param[in] Handle The handle for the protocol interface that was previously opened\r
959ccb23 1304 with OpenProtocol(), and is now being closed.\r
d3d92557
FT
1305 @param[in] Protocol The published unique identifier of the protocol.\r
1306 @param[in] AgentHandle The handle of the agent that is closing the protocol interface.\r
1307 @param[in] ControllerHandle If the agent that opened a protocol is a driver that follows the\r
959ccb23 1308 UEFI Driver Model, then this parameter is the controller handle\r
1309 that required the protocol interface.\r
1310\r
1311 @retval EFI_SUCCESS The protocol instance was closed.\r
d9de7921
RN
1312 @retval EFI_INVALID_PARAMETER 1) Handle is NULL.\r
1313 2) AgentHandle is NULL.\r
e0c047a0 1314 3) ControllerHandle is not NULL and ControllerHandle is not a valid EFI_HANDLE.\r
1315 4) Protocol is NULL.\r
959ccb23 1316 @retval EFI_NOT_FOUND 1) Handle does not support the protocol specified by Protocol.\r
1317 2) The protocol interface specified by Handle and Protocol is not\r
1318 currently open by AgentHandle and ControllerHandle.\r
1319\r
1320**/\r
1321typedef\r
1322EFI_STATUS\r
8b13229b 1323(EFIAPI *EFI_CLOSE_PROTOCOL)(\r
959ccb23 1324 IN EFI_HANDLE Handle,\r
1325 IN EFI_GUID *Protocol,\r
1326 IN EFI_HANDLE AgentHandle,\r
1327 IN EFI_HANDLE ControllerHandle\r
1328 );\r
1329\r
2a3f6a21 1330///\r
1331/// EFI Oprn Protocol Information Entry\r
1332///\r
959ccb23 1333typedef struct {\r
1334 EFI_HANDLE AgentHandle;\r
1335 EFI_HANDLE ControllerHandle;\r
1336 UINT32 Attributes;\r
1337 UINT32 OpenCount;\r
1338} EFI_OPEN_PROTOCOL_INFORMATION_ENTRY;\r
1339\r
1340/**\r
1341 Retrieves the list of agents that currently have a protocol interface opened.\r
1342\r
d3d92557
FT
1343 @param[in] Handle The handle for the protocol interface that is being queried.\r
1344 @param[in] Protocol The published unique identifier of the protocol.\r
1345 @param[out] EntryBuffer A pointer to a buffer of open protocol information in the form of\r
959ccb23 1346 EFI_OPEN_PROTOCOL_INFORMATION_ENTRY structures.\r
d3d92557 1347 @param[out] EntryCount A pointer to the number of entries in EntryBuffer.\r
959ccb23 1348\r
1349 @retval EFI_SUCCESS The open protocol information was returned in EntryBuffer, and the\r
1350 number of entries was returned EntryCount.\r
1351 @retval EFI_OUT_OF_RESOURCES There are not enough resources available to allocate EntryBuffer.\r
1352 @retval EFI_NOT_FOUND Handle does not support the protocol specified by Protocol.\r
1353\r
1354**/\r
1355typedef\r
1356EFI_STATUS\r
8b13229b 1357(EFIAPI *EFI_OPEN_PROTOCOL_INFORMATION)(\r
959ccb23 1358 IN EFI_HANDLE Handle,\r
1359 IN EFI_GUID *Protocol,\r
e0c047a0 1360 OUT EFI_OPEN_PROTOCOL_INFORMATION_ENTRY **EntryBuffer,\r
959ccb23 1361 OUT UINTN *EntryCount\r
1362 );\r
1363\r
1364/**\r
1365 Retrieves the list of protocol interface GUIDs that are installed on a handle in a buffer allocated\r
1366 from pool.\r
1367\r
d3d92557
FT
1368 @param[in] Handle The handle from which to retrieve the list of protocol interface\r
1369 GUIDs.\r
1370 @param[out] ProtocolBuffer A pointer to the list of protocol interface GUID pointers that are\r
1371 installed on Handle.\r
1372 @param[out] ProtocolBufferCount A pointer to the number of GUID pointers present in\r
1373 ProtocolBuffer.\r
959ccb23 1374\r
1375 @retval EFI_SUCCESS The list of protocol interface GUIDs installed on Handle was returned in\r
1376 ProtocolBuffer. The number of protocol interface GUIDs was\r
1377 returned in ProtocolBufferCount.\r
1378 @retval EFI_OUT_OF_RESOURCES There is not enough pool memory to store the results.\r
e0c047a0 1379 @retval EFI_INVALID_PARAMETER Handle is NULL.\r
1380 @retval EFI_INVALID_PARAMETER Handle is not a valid EFI_HANDLE.\r
1381 @retval EFI_INVALID_PARAMETER ProtocolBuffer is NULL.\r
1382 @retval EFI_INVALID_PARAMETER ProtocolBufferCount is NULL.\r
959ccb23 1383\r
1384**/\r
1385typedef\r
1386EFI_STATUS\r
8b13229b 1387(EFIAPI *EFI_PROTOCOLS_PER_HANDLE)(\r
959ccb23 1388 IN EFI_HANDLE Handle,\r
1389 OUT EFI_GUID ***ProtocolBuffer,\r
1390 OUT UINTN *ProtocolBufferCount\r
1391 );\r
1392\r
1393/**\r
1394 Creates an event that is to be signaled whenever an interface is installed for a specified protocol.\r
1395\r
d3d92557
FT
1396 @param[in] Protocol The numeric ID of the protocol for which the event is to be registered.\r
1397 @param[in] Event Event that is to be signaled whenever a protocol interface is registered\r
959ccb23 1398 for Protocol.\r
d3d92557 1399 @param[out] Registration A pointer to a memory location to receive the registration value.\r
959ccb23 1400\r
1401 @retval EFI_SUCCESS The notification event has been registered.\r
1402 @retval EFI_OUT_OF_RESOURCES Space for the notification event could not be allocated.\r
e0c047a0 1403 @retval EFI_INVALID_PARAMETER Protocol is NULL.\r
1404 @retval EFI_INVALID_PARAMETER Event is NULL.\r
1405 @retval EFI_INVALID_PARAMETER Registration is NULL.\r
959ccb23 1406\r
1407**/\r
1408typedef\r
1409EFI_STATUS\r
8b13229b 1410(EFIAPI *EFI_REGISTER_PROTOCOL_NOTIFY)(\r
959ccb23 1411 IN EFI_GUID *Protocol,\r
1412 IN EFI_EVENT Event,\r
1413 OUT VOID **Registration\r
1414 );\r
1415\r
2a3f6a21 1416///\r
1417/// Enumeration of EFI Locate Search Types\r
1418///\r
959ccb23 1419typedef enum {\r
2a3f6a21 1420 ///\r
1421 /// Retrieve all the handles in the handle database.\r
1422 ///\r
959ccb23 1423 AllHandles,\r
2a3f6a21 1424 ///\r
1425 /// Retrieve the next handle fron a RegisterProtocolNotify() event.\r
1426 ///\r
959ccb23 1427 ByRegisterNotify,\r
2a3f6a21 1428 ///\r
1429 /// Retrieve the set of handles from the handle database that support a \r
1430 /// specified protocol.\r
1431 ///\r
959ccb23 1432 ByProtocol\r
1433} EFI_LOCATE_SEARCH_TYPE;\r
1434\r
1435/**\r
1436 Returns an array of handles that support a specified protocol.\r
1437\r
d3d92557
FT
1438 @param[in] SearchType Specifies which handle(s) are to be returned.\r
1439 @param[in] Protocol Specifies the protocol to search by.\r
1440 @param[in] SearchKey Specifies the search key.\r
1441 @param[in, out] BufferSize On input, the size in bytes of Buffer. On output, the size in bytes of\r
959ccb23 1442 the array returned in Buffer (if the buffer was large enough) or the\r
1443 size, in bytes, of the buffer needed to obtain the array (if the buffer was\r
1444 not large enough).\r
d3d92557 1445 @param[out] Buffer The buffer in which the array is returned.\r
959ccb23 1446\r
1447 @retval EFI_SUCCESS The array of handles was returned.\r
1448 @retval EFI_NOT_FOUND No handles match the search.\r
1449 @retval EFI_BUFFER_TOO_SMALL The BufferSize is too small for the result.\r
e0c047a0 1450 @retval EFI_INVALID_PARAMETER SearchType is not a member of EFI_LOCATE_SEARCH_TYPE.\r
1451 @retval EFI_INVALID_PARAMETER SearchType is ByRegisterNotify and SearchKey is NULL.\r
1452 @retval EFI_INVALID_PARAMETER SearchType is ByProtocol and Protocol is NULL.\r
1453 @retval EFI_INVALID_PARAMETER One or more matches are found and BufferSize is NULL.\r
1454 @retval EFI_INVALID_PARAMETER BufferSize is large enough for the result and Buffer is NULL.\r
959ccb23 1455\r
1456**/\r
1457typedef\r
1458EFI_STATUS\r
8b13229b 1459(EFIAPI *EFI_LOCATE_HANDLE)(\r
959ccb23 1460 IN EFI_LOCATE_SEARCH_TYPE SearchType,\r
1461 IN EFI_GUID *Protocol, OPTIONAL\r
1462 IN VOID *SearchKey, OPTIONAL\r
1463 IN OUT UINTN *BufferSize,\r
1464 OUT EFI_HANDLE *Buffer\r
1465 );\r
1466\r
1467/**\r
1468 Locates the handle to a device on the device path that supports the specified protocol.\r
1469\r
d3d92557
FT
1470 @param[in] Protocol Specifies the protocol to search for.\r
1471 @param[in, out] DevicePath On input, a pointer to a pointer to the device path. On output, the device\r
959ccb23 1472 path pointer is modified to point to the remaining part of the device\r
1473 path.\r
d3d92557 1474 @param[out] Device A pointer to the returned device handle.\r
959ccb23 1475\r
1476 @retval EFI_SUCCESS The resulting handle was returned.\r
1477 @retval EFI_NOT_FOUND No handles match the search.\r
e0c047a0 1478 @retval EFI_INVALID_PARAMETER Protocol is NULL.\r
1479 @retval EFI_INVALID_PARAMETER DevicePath is NULL.\r
1480 @retval EFI_INVALID_PARAMETER A handle matched the search and Device is NULL.\r
959ccb23 1481\r
1482**/\r
1483typedef\r
1484EFI_STATUS\r
8b13229b 1485(EFIAPI *EFI_LOCATE_DEVICE_PATH)(\r
959ccb23 1486 IN EFI_GUID *Protocol,\r
1487 IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath,\r
1488 OUT EFI_HANDLE *Device\r
1489 );\r
1490\r
1491/**\r
1492 Adds, updates, or removes a configuration table entry from the EFI System Table.\r
1493\r
d3d92557
FT
1494 @param[in] Guid A pointer to the GUID for the entry to add, update, or remove.\r
1495 @param[in] Table A pointer to the configuration table for the entry to add, update, or\r
959ccb23 1496 remove. May be NULL.\r
1497\r
1498 @retval EFI_SUCCESS The (Guid, Table) pair was added, updated, or removed.\r
1499 @retval EFI_NOT_FOUND An attempt was made to delete a nonexistent entry.\r
bfe0572b 1500 @retval EFI_INVALID_PARAMETER Guid is NULL.\r
959ccb23 1501 @retval EFI_OUT_OF_RESOURCES There is not enough memory available to complete the operation.\r
1502\r
1503**/\r
1504typedef\r
1505EFI_STATUS\r
8b13229b 1506(EFIAPI *EFI_INSTALL_CONFIGURATION_TABLE)(\r
959ccb23 1507 IN EFI_GUID *Guid,\r
1508 IN VOID *Table\r
1509 );\r
1510\r
959ccb23 1511/**\r
1512 Returns an array of handles that support the requested protocol in a buffer allocated from pool.\r
1513\r
d3d92557
FT
1514 @param[in] SearchType Specifies which handle(s) are to be returned.\r
1515 @param[in] Protocol Provides the protocol to search by.\r
e0c047a0 1516 This parameter is only valid for a SearchType of ByProtocol.\r
d3d92557
FT
1517 @param[in] SearchKey Supplies the search key depending on the SearchType.\r
1518 @param[in, out] NoHandles The number of handles returned in Buffer.\r
1519 @param[out] Buffer A pointer to the buffer to return the requested array of handles that\r
959ccb23 1520 support Protocol.\r
1521\r
1522 @retval EFI_SUCCESS The array of handles was returned in Buffer, and the number of\r
1523 handles in Buffer was returned in NoHandles.\r
1524 @retval EFI_NOT_FOUND No handles match the search.\r
1525 @retval EFI_OUT_OF_RESOURCES There is not enough pool memory to store the matching results.\r
e0c047a0 1526 @retval EFI_INVALID_PARAMETER NoHandles is NULL.\r
1527 @retval EFI_INVALID_PARAMETER Buffer is NULL.\r
959ccb23 1528\r
1529**/\r
1530typedef\r
1531EFI_STATUS\r
8b13229b 1532(EFIAPI *EFI_LOCATE_HANDLE_BUFFER)(\r
959ccb23 1533 IN EFI_LOCATE_SEARCH_TYPE SearchType,\r
1534 IN EFI_GUID *Protocol, OPTIONAL\r
1535 IN VOID *SearchKey, OPTIONAL\r
1536 IN OUT UINTN *NoHandles,\r
1537 OUT EFI_HANDLE **Buffer\r
1538 );\r
1539\r
1540/**\r
1541 Returns the first protocol instance that matches the given protocol.\r
1542\r
d3d92557
FT
1543 @param[in] Protocol Provides the protocol to search for.\r
1544 @param[in] Registration Optional registration key returned from\r
959ccb23 1545 RegisterProtocolNotify().\r
d3d92557 1546 @param[out] Interface On return, a pointer to the first interface that matches Protocol and\r
959ccb23 1547 Registration.\r
1548\r
1549 @retval EFI_SUCCESS A protocol instance matching Protocol was found and returned in\r
1550 Interface.\r
1551 @retval EFI_NOT_FOUND No protocol instances were found that match Protocol and\r
1552 Registration.\r
1553 @retval EFI_INVALID_PARAMETER Interface is NULL.\r
1554\r
1555**/\r
1556typedef\r
1557EFI_STATUS\r
8b13229b 1558(EFIAPI *EFI_LOCATE_PROTOCOL)(\r
959ccb23 1559 IN EFI_GUID *Protocol,\r
1560 IN VOID *Registration, OPTIONAL\r
1561 OUT VOID **Interface\r
1562 );\r
1563\r
2a3f6a21 1564///\r
1565/// EFI Capsule Block Descriptor\r
1566///\r
959ccb23 1567typedef struct {\r
1bf79370
LG
1568 ///\r
1569 /// Length in bytes of the data pointed to by DataBlock/ContinuationPointer.\r
1570 ///\r
2a3f6a21 1571 UINT64 Length;\r
959ccb23 1572 union {\r
1bf79370
LG
1573 ///\r
1574 /// Physical address of the data block. This member of the union is\r
1575 /// used if Length is not equal to zero.\r
1576 ///\r
959ccb23 1577 EFI_PHYSICAL_ADDRESS DataBlock;\r
1bf79370
LG
1578 ///\r
1579 /// Physical address of another block of\r
1580 /// EFI_CAPSULE_BLOCK_DESCRIPTOR structures. This\r
1581 /// member of the union is used if Length is equal to zero. If\r
1582 /// ContinuationPointer is zero this entry represents the end of the list.\r
1583 ///\r
959ccb23 1584 EFI_PHYSICAL_ADDRESS ContinuationPointer;\r
1585 } Union;\r
45ad5569 1586} EFI_CAPSULE_BLOCK_DESCRIPTOR;\r
959ccb23 1587\r
2a3f6a21 1588///\r
af2dc6a7 1589/// EFI Capsule Header.\r
2a3f6a21 1590///\r
959ccb23 1591typedef struct {\r
1bf79370
LG
1592 ///\r
1593 /// A GUID that defines the contents of a capsule.\r
1594 ///\r
959ccb23 1595 EFI_GUID CapsuleGuid;\r
1bf79370
LG
1596 ///\r
1597 /// The size of the capsule header. This may be larger than the size of\r
1598 /// the EFI_CAPSULE_HEADER since CapsuleGuid may imply\r
1599 /// extended header entries\r
1600 ///\r
959ccb23 1601 UINT32 HeaderSize;\r
1bf79370
LG
1602 ///\r
1603 /// Bit-mapped list describing the capsule attributes. The Flag values\r
f6d2bcc6 1604 /// of 0x0000 - 0xFFFF are defined by CapsuleGuid. Flag values\r
a0d58c21 1605 /// of 0x10000 - 0xFFFFFFFF are defined by this specification\r
1bf79370 1606 ///\r
959ccb23 1607 UINT32 Flags;\r
1bf79370
LG
1608 ///\r
1609 /// Size in bytes of the capsule.\r
1610 ///\r
959ccb23 1611 UINT32 CapsuleImageSize;\r
45ad5569 1612} EFI_CAPSULE_HEADER;\r
959ccb23 1613\r
1bf79370
LG
1614///\r
1615/// The EFI System Table entry must point to an array of capsules\r
1616/// that contain the same CapsuleGuid value. The array must be\r
1617/// prefixed by a UINT32 that represents the size of the array of capsules.\r
1618///\r
176a6bb3 1619typedef struct {\r
1bf79370
LG
1620 ///\r
1621 /// the size of the array of capsules.\r
1622 ///\r
176a6bb3 1623 UINT32 CapsuleArrayNumber;\r
1bf79370
LG
1624 ///\r
1625 /// Point to an array of capsules that contain the same CapsuleGuid value.\r
1626 ///\r
176a6bb3
LG
1627 VOID* CapsulePtr[1];\r
1628} EFI_CAPSULE_TABLE;\r
1629\r
959ccb23 1630#define CAPSULE_FLAGS_PERSIST_ACROSS_RESET 0x00010000\r
1631#define CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE 0x00020000\r
eaa8a234 1632#define CAPSULE_FLAGS_INITIATE_RESET 0x00040000\r
959ccb23 1633\r
1634/**\r
1635 Passes capsules to the firmware with both virtual and physical mapping. Depending on the intended\r
1636 consumption, the firmware may process the capsule immediately. If the payload should persist\r
1637 across a system reset, the reset value returned from EFI_QueryCapsuleCapabilities must\r
1638 be passed into ResetSystem() and will cause the capsule to be processed by the firmware as\r
1639 part of the reset process.\r
1640\r
d3d92557
FT
1641 @param[in] CapsuleHeaderArray Virtual pointer to an array of virtual pointers to the capsules\r
1642 being passed into update capsule.\r
1643 @param[in] CapsuleCount Number of pointers to EFI_CAPSULE_HEADER in\r
1644 CaspuleHeaderArray.\r
1645 @param[in] ScatterGatherList Physical pointer to a set of\r
1646 EFI_CAPSULE_BLOCK_DESCRIPTOR that describes the\r
1647 location in physical memory of a set of capsules.\r
959ccb23 1648\r
1649 @retval EFI_SUCCESS Valid capsule was passed. If\r
1650 CAPSULE_FLAGS_PERSIT_ACROSS_RESET is not set, the\r
1651 capsule has been successfully processed by the firmware.\r
eaa8a234 1652 @retval EFI_INVALID_PARAMETER CapsuleSize is NULL, or an incompatible set of flags were\r
1653 set in the capsule header.\r
a0d58c21 1654 @retval EFI_INVALID_PARAMETER CapsuleCount is 0.\r
959ccb23 1655 @retval EFI_DEVICE_ERROR The capsule update was started, but failed due to a device error.\r
e0c047a0 1656 @retval EFI_UNSUPPORTED The capsule type is not supported on this platform.\r
efdabc6c
LG
1657 @retval EFI_OUT_OF_RESOURCES When ExitBootServices() has been previously called this error indicates the capsule \r
1658 is compatible with this platform but is not capable of being submitted or processed \r
1659 in runtime. The caller may resubmit the capsule prior to ExitBootServices().\r
1660 @retval EFI_OUT_OF_RESOURCES When ExitBootServices() has not been previously called then this error indicates \r
1661 the capsule is compatible with this platform but there are insufficient resources to process.\r
959ccb23 1662\r
1663**/\r
1664typedef\r
1665EFI_STATUS\r
8b13229b 1666(EFIAPI *EFI_UPDATE_CAPSULE)(\r
531febc2 1667 IN EFI_CAPSULE_HEADER **CapsuleHeaderArray,\r
959ccb23 1668 IN UINTN CapsuleCount,\r
1669 IN EFI_PHYSICAL_ADDRESS ScatterGatherList OPTIONAL\r
1670 );\r
1671\r
1672/**\r
1673 Returns if the capsule can be supported via UpdateCapsule().\r
1674\r
d3d92557
FT
1675 @param[in] CapsuleHeaderArray Virtual pointer to an array of virtual pointers to the capsules\r
1676 being passed into update capsule.\r
1677 @param[in] CapsuleCount Number of pointers to EFI_CAPSULE_HEADER in\r
1678 CaspuleHeaderArray.\r
1679 @param[out] MaxiumCapsuleSize On output the maximum size that UpdateCapsule() can\r
1680 support as an argument to UpdateCapsule() via\r
1681 CapsuleHeaderArray and ScatterGatherList.\r
1682 @param[out] ResetType Returns the type of reset required for the capsule update.\r
959ccb23 1683\r
1684 @retval EFI_SUCCESS Valid answer returned.\r
1685 @retval EFI_UNSUPPORTED The capsule type is not supported on this platform, and\r
1686 MaximumCapsuleSize and ResetType are undefined.\r
1687 @retval EFI_INVALID_PARAMETER MaximumCapsuleSize is NULL.\r
efdabc6c
LG
1688 @retval EFI_OUT_OF_RESOURCES When ExitBootServices() has been previously called this error indicates the capsule \r
1689 is compatible with this platform but is not capable of being submitted or processed \r
1690 in runtime. The caller may resubmit the capsule prior to ExitBootServices().\r
1691 @retval EFI_OUT_OF_RESOURCES When ExitBootServices() has not been previously called then this error indicates \r
1692 the capsule is compatible with this platform but there are insufficient resources to process.\r
959ccb23 1693\r
1694**/\r
1695typedef\r
1696EFI_STATUS\r
8b13229b 1697(EFIAPI *EFI_QUERY_CAPSULE_CAPABILITIES)(\r
531febc2 1698 IN EFI_CAPSULE_HEADER **CapsuleHeaderArray,\r
959ccb23 1699 IN UINTN CapsuleCount,\r
1700 OUT UINT64 *MaximumCapsuleSize,\r
1701 OUT EFI_RESET_TYPE *ResetType\r
1702 );\r
1703\r
1704/**\r
1705 Returns information about the EFI variables.\r
1706\r
d3d92557
FT
1707 @param[in] Attributes Attributes bitmask to specify the type of variables on\r
1708 which to return information.\r
1709 @param[out] MaximumVariableStorageSize On output the maximum size of the storage space\r
1710 available for the EFI variables associated with the\r
1711 attributes specified.\r
1712 @param[out] RemainingVariableStorageSize Returns the remaining size of the storage space\r
1713 available for the EFI variables associated with the\r
1714 attributes specified.\r
1715 @param[out] MaximumVariableSize Returns the maximum size of the individual EFI\r
1716 variables associated with the attributes specified.\r
959ccb23 1717\r
1718 @retval EFI_SUCCESS Valid answer returned.\r
1719 @retval EFI_INVALID_PARAMETER An invalid combination of attribute bits was supplied\r
1720 @retval EFI_UNSUPPORTED The attribute is not supported on this platform, and the\r
1721 MaximumVariableStorageSize,\r
1722 RemainingVariableStorageSize, MaximumVariableSize\r
1723 are undefined.\r
1724\r
1725**/\r
1726typedef\r
1727EFI_STATUS\r
8b13229b 1728(EFIAPI *EFI_QUERY_VARIABLE_INFO)(\r
959ccb23 1729 IN UINT32 Attributes,\r
1730 OUT UINT64 *MaximumVariableStorageSize,\r
1731 OUT UINT64 *RemainingVariableStorageSize,\r
1732 OUT UINT64 *MaximumVariableSize\r
1733 );\r
1734\r
b5eb03cf 1735//\r
1736// Firmware should stop at a firmware user interface on next boot\r
1737//\r
566771b0 1738#define EFI_OS_INDICATIONS_BOOT_TO_FW_UI 0x0000000000000001\r
1739#define EFI_OS_INDICATIONS_TIMESTAMP_REVOCATION 0x0000000000000002\r
1740#define EFI_OS_INDICATIONS_FILE_CAPSULE_DELIVERY_SUPPORTED 0x0000000000000004\r
1741#define EFI_OS_INDICATIONS_FMP_CAPSULE_SUPPORTED 0x0000000000000008\r
1742#define EFI_OS_INDICATIONS_CAPSULE_RESULT_VAR_SUPPORTED 0x0000000000000010\r
959ccb23 1743\r
1744//\r
1745// EFI Runtime Services Table\r
1746//\r
07636730 1747#define EFI_SYSTEM_TABLE_SIGNATURE SIGNATURE_64 ('I','B','I',' ','S','Y','S','T')\r
b2e1b498 1748#define EFI_2_50_SYSTEM_TABLE_REVISION ((2 << 16) | (50))\r
b4319afb 1749#define EFI_2_40_SYSTEM_TABLE_REVISION ((2 << 16) | (40))\r
aee17e89 1750#define EFI_2_31_SYSTEM_TABLE_REVISION ((2 << 16) | (31))\r
add9c350 1751#define EFI_2_30_SYSTEM_TABLE_REVISION ((2 << 16) | (30))\r
1752#define EFI_2_20_SYSTEM_TABLE_REVISION ((2 << 16) | (20))\r
2a3f6a21 1753#define EFI_2_10_SYSTEM_TABLE_REVISION ((2 << 16) | (10))\r
1754#define EFI_2_00_SYSTEM_TABLE_REVISION ((2 << 16) | (00))\r
1755#define EFI_1_10_SYSTEM_TABLE_REVISION ((1 << 16) | (10))\r
1756#define EFI_1_02_SYSTEM_TABLE_REVISION ((1 << 16) | (02))\r
b2e1b498 1757#define EFI_SYSTEM_TABLE_REVISION EFI_2_50_SYSTEM_TABLE_REVISION\r
78322c85 1758#define EFI_SPECIFICATION_VERSION EFI_SYSTEM_TABLE_REVISION\r
2a3f6a21 1759\r
07636730 1760#define EFI_RUNTIME_SERVICES_SIGNATURE SIGNATURE_64 ('R','U','N','T','S','E','R','V')\r
78322c85 1761#define EFI_RUNTIME_SERVICES_REVISION EFI_SPECIFICATION_VERSION\r
959ccb23 1762\r
e0c047a0 1763///\r
af2dc6a7 1764/// EFI Runtime Services Table.\r
e0c047a0 1765///\r
959ccb23 1766typedef struct {\r
e0c047a0 1767 ///\r
1768 /// The table header for the EFI Runtime Services Table.\r
1769 ///\r
c9a0a0fc 1770 EFI_TABLE_HEADER Hdr;\r
00edb218
A
1771\r
1772 //\r
1773 // Time Services\r
1774 //\r
1775 EFI_GET_TIME GetTime;\r
1776 EFI_SET_TIME SetTime;\r
1777 EFI_GET_WAKEUP_TIME GetWakeupTime;\r
1778 EFI_SET_WAKEUP_TIME SetWakeupTime;\r
1779\r
1780 //\r
1781 // Virtual Memory Services\r
1782 //\r
1783 EFI_SET_VIRTUAL_ADDRESS_MAP SetVirtualAddressMap;\r
1784 EFI_CONVERT_POINTER ConvertPointer;\r
1785\r
1786 //\r
1787 // Variable Services\r
1788 //\r
1789 EFI_GET_VARIABLE GetVariable;\r
1790 EFI_GET_NEXT_VARIABLE_NAME GetNextVariableName;\r
1791 EFI_SET_VARIABLE SetVariable;\r
1792\r
1793 //\r
1794 // Miscellaneous Services\r
1795 //\r
1796 EFI_GET_NEXT_HIGH_MONO_COUNT GetNextHighMonotonicCount;\r
1797 EFI_RESET_SYSTEM ResetSystem;\r
1798\r
1799 //\r
1800 // UEFI 2.0 Capsule Services\r
1801 //\r
1802 EFI_UPDATE_CAPSULE UpdateCapsule;\r
1803 EFI_QUERY_CAPSULE_CAPABILITIES QueryCapsuleCapabilities;\r
1804\r
1805 //\r
1806 // Miscellaneous UEFI 2.0 Service\r
1807 //\r
1808 EFI_QUERY_VARIABLE_INFO QueryVariableInfo;\r
959ccb23 1809} EFI_RUNTIME_SERVICES;\r
1810\r
1811\r
07636730 1812#define EFI_BOOT_SERVICES_SIGNATURE SIGNATURE_64 ('B','O','O','T','S','E','R','V')\r
78322c85 1813#define EFI_BOOT_SERVICES_REVISION EFI_SPECIFICATION_VERSION\r
959ccb23 1814\r
e0c047a0 1815///\r
af2dc6a7 1816/// EFI Boot Services Table.\r
e0c047a0 1817///\r
959ccb23 1818typedef struct {\r
e0c047a0 1819 ///\r
1820 /// The table header for the EFI Boot Services Table.\r
1821 ///\r
c9a0a0fc 1822 EFI_TABLE_HEADER Hdr;\r
d0c64728 1823\r
00edb218
A
1824 //\r
1825 // Task Priority Services\r
1826 //\r
1827 EFI_RAISE_TPL RaiseTPL;\r
1828 EFI_RESTORE_TPL RestoreTPL;\r
1829\r
1830 //\r
1831 // Memory Services\r
1832 //\r
1833 EFI_ALLOCATE_PAGES AllocatePages;\r
1834 EFI_FREE_PAGES FreePages;\r
1835 EFI_GET_MEMORY_MAP GetMemoryMap;\r
1836 EFI_ALLOCATE_POOL AllocatePool;\r
1837 EFI_FREE_POOL FreePool;\r
1838\r
1839 //\r
1840 // Event & Timer Services\r
1841 //\r
1842 EFI_CREATE_EVENT CreateEvent;\r
1843 EFI_SET_TIMER SetTimer;\r
1844 EFI_WAIT_FOR_EVENT WaitForEvent;\r
1845 EFI_SIGNAL_EVENT SignalEvent;\r
1846 EFI_CLOSE_EVENT CloseEvent;\r
1847 EFI_CHECK_EVENT CheckEvent;\r
1848\r
1849 //\r
1850 // Protocol Handler Services\r
1851 //\r
1852 EFI_INSTALL_PROTOCOL_INTERFACE InstallProtocolInterface;\r
1853 EFI_REINSTALL_PROTOCOL_INTERFACE ReinstallProtocolInterface;\r
1854 EFI_UNINSTALL_PROTOCOL_INTERFACE UninstallProtocolInterface;\r
1855 EFI_HANDLE_PROTOCOL HandleProtocol;\r
1856 VOID *Reserved;\r
1857 EFI_REGISTER_PROTOCOL_NOTIFY RegisterProtocolNotify;\r
1858 EFI_LOCATE_HANDLE LocateHandle;\r
1859 EFI_LOCATE_DEVICE_PATH LocateDevicePath;\r
1860 EFI_INSTALL_CONFIGURATION_TABLE InstallConfigurationTable;\r
1861\r
1862 //\r
1863 // Image Services\r
1864 //\r
1865 EFI_IMAGE_LOAD LoadImage;\r
1866 EFI_IMAGE_START StartImage;\r
1867 EFI_EXIT Exit;\r
1868 EFI_IMAGE_UNLOAD UnloadImage;\r
1869 EFI_EXIT_BOOT_SERVICES ExitBootServices;\r
1870\r
1871 //\r
1872 // Miscellaneous Services\r
1873 //\r
1874 EFI_GET_NEXT_MONOTONIC_COUNT GetNextMonotonicCount;\r
1875 EFI_STALL Stall;\r
1876 EFI_SET_WATCHDOG_TIMER SetWatchdogTimer;\r
1877\r
1878 //\r
1879 // DriverSupport Services\r
1880 //\r
1881 EFI_CONNECT_CONTROLLER ConnectController;\r
1882 EFI_DISCONNECT_CONTROLLER DisconnectController;\r
1883\r
1884 //\r
1885 // Open and Close Protocol Services\r
1886 //\r
1887 EFI_OPEN_PROTOCOL OpenProtocol;\r
1888 EFI_CLOSE_PROTOCOL CloseProtocol;\r
1889 EFI_OPEN_PROTOCOL_INFORMATION OpenProtocolInformation;\r
1890\r
1891 //\r
1892 // Library Services\r
1893 //\r
1894 EFI_PROTOCOLS_PER_HANDLE ProtocolsPerHandle;\r
1895 EFI_LOCATE_HANDLE_BUFFER LocateHandleBuffer;\r
1896 EFI_LOCATE_PROTOCOL LocateProtocol;\r
1897 EFI_INSTALL_MULTIPLE_PROTOCOL_INTERFACES InstallMultipleProtocolInterfaces;\r
1898 EFI_UNINSTALL_MULTIPLE_PROTOCOL_INTERFACES UninstallMultipleProtocolInterfaces;\r
1899\r
1900 //\r
1901 // 32-bit CRC Services\r
1902 //\r
1903 EFI_CALCULATE_CRC32 CalculateCrc32;\r
1904\r
1905 //\r
1906 // Miscellaneous Services\r
1907 //\r
1908 EFI_COPY_MEM CopyMem;\r
1909 EFI_SET_MEM SetMem;\r
00edb218 1910 EFI_CREATE_EVENT_EX CreateEventEx;\r
959ccb23 1911} EFI_BOOT_SERVICES;\r
1912\r
e0c047a0 1913///\r
1914/// Contains a set of GUID/pointer pairs comprised of the ConfigurationTable field in the\r
1915/// EFI System Table.\r
1916///\r
2a3f6a21 1917typedef struct {\r
e0c047a0 1918 ///\r
1919 /// The 128-bit GUID value that uniquely identifies the system configuration table.\r
1920 ///\r
00edb218 1921 EFI_GUID VendorGuid;\r
e0c047a0 1922 ///\r
1923 /// A pointer to the table associated with VendorGuid.\r
1924 ///\r
00edb218 1925 VOID *VendorTable;\r
959ccb23 1926} EFI_CONFIGURATION_TABLE;\r
1927\r
e0c047a0 1928///\r
1929/// EFI System Table\r
1930///\r
2a3f6a21 1931typedef struct {\r
e0c047a0 1932 ///\r
1933 /// The table header for the EFI System Table.\r
1934 ///\r
c9a0a0fc 1935 EFI_TABLE_HEADER Hdr;\r
e0c047a0 1936 ///\r
fbf926ad 1937 /// A pointer to a null terminated string that identifies the vendor\r
1938 /// that produces the system firmware for the platform.\r
e0c047a0 1939 ///\r
00edb218 1940 CHAR16 *FirmwareVendor;\r
e0c047a0 1941 ///\r
1942 /// A firmware vendor specific value that identifies the revision\r
1943 /// of the system firmware for the platform.\r
1944 ///\r
00edb218 1945 UINT32 FirmwareRevision;\r
e0c047a0 1946 ///\r
eaf75bf4 1947 /// The handle for the active console input device. This handle must support\r
1948 /// EFI_SIMPLE_TEXT_INPUT_PROTOCOL and EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL.\r
e0c047a0 1949 ///\r
00edb218 1950 EFI_HANDLE ConsoleInHandle;\r
e0c047a0 1951 ///\r
11ca63ec 1952 /// A pointer to the EFI_SIMPLE_TEXT_INPUT_PROTOCOL interface that is\r
e0c047a0 1953 /// associated with ConsoleInHandle.\r
1954 ///\r
00edb218 1955 EFI_SIMPLE_TEXT_INPUT_PROTOCOL *ConIn;\r
e0c047a0 1956 ///\r
1957 /// The handle for the active console output device.\r
1958 ///\r
00edb218 1959 EFI_HANDLE ConsoleOutHandle;\r
e0c047a0 1960 ///\r
11ca63ec 1961 /// A pointer to the EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL interface\r
e0c047a0 1962 /// that is associated with ConsoleOutHandle.\r
1963 ///\r
00edb218 1964 EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *ConOut;\r
e0c047a0 1965 ///\r
1966 /// The handle for the active standard error console device.\r
eaf75bf4 1967 /// This handle must support the EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.\r
e0c047a0 1968 ///\r
00edb218 1969 EFI_HANDLE StandardErrorHandle;\r
e0c047a0 1970 ///\r
11ca63ec 1971 /// A pointer to the EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL interface\r
e0c047a0 1972 /// that is associated with StandardErrorHandle.\r
1973 ///\r
00edb218 1974 EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *StdErr;\r
e0c047a0 1975 ///\r
1976 /// A pointer to the EFI Runtime Services Table.\r
1977 ///\r
00edb218 1978 EFI_RUNTIME_SERVICES *RuntimeServices;\r
e0c047a0 1979 ///\r
1980 /// A pointer to the EFI Boot Services Table.\r
1981 ///\r
00edb218 1982 EFI_BOOT_SERVICES *BootServices;\r
e0c047a0 1983 ///\r
1984 /// The number of system configuration tables in the buffer ConfigurationTable.\r
1985 ///\r
00edb218 1986 UINTN NumberOfTableEntries;\r
e0c047a0 1987 ///\r
1988 /// A pointer to the system configuration tables.\r
1989 /// The number of entries in the table is NumberOfTableEntries.\r
1990 ///\r
00edb218 1991 EFI_CONFIGURATION_TABLE *ConfigurationTable;\r
2a3f6a21 1992} EFI_SYSTEM_TABLE;\r
1993\r
1994/**\r
1995 This is the declaration of an EFI image entry point. This entry point is\r
1996 the same for UEFI Applications, UEFI OS Loaders, and UEFI Drivers including\r
1997 both device drivers and bus drivers.\r
1998\r
d3d92557
FT
1999 @param[in] ImageHandle The firmware allocated handle for the UEFI image.\r
2000 @param[in] SystemTable A pointer to the EFI System Table.\r
2a3f6a21 2001\r
2002 @retval EFI_SUCCESS The operation completed successfully.\r
af2dc6a7 2003 @retval Others An unexpected error occurred.\r
2a3f6a21 2004**/\r
2005typedef\r
2006EFI_STATUS\r
2007(EFIAPI *EFI_IMAGE_ENTRY_POINT)(\r
2008 IN EFI_HANDLE ImageHandle,\r
2009 IN EFI_SYSTEM_TABLE *SystemTable\r
2010 );\r
959ccb23 2011\r
faa32beb
RN
2012//\r
2013// EFI Load Option. This data structure describes format of UEFI boot option variables.\r
2014//\r
2015// NOTE: EFI Load Option is a byte packed buffer of variable length fields.\r
2016// The first two fields have fixed length. They are declared as members of the\r
2017// EFI_LOAD_OPTION structure. All the other fields are variable length fields.\r
2018// They are listed in the comment block below for reference purposes.\r
2019//\r
2020#pragma pack(1)\r
2021typedef struct _EFI_LOAD_OPTION {\r
2022 ///\r
2023 /// The attributes for this load option entry. All unused bits must be zero\r
2024 /// and are reserved by the UEFI specification for future growth.\r
2025 ///\r
2026 UINT32 Attributes;\r
2027 ///\r
2028 /// Length in bytes of the FilePathList. OptionalData starts at offset\r
2029 /// sizeof(UINT32) + sizeof(UINT16) + StrSize(Description) + FilePathListLength\r
2030 /// of the EFI_LOAD_OPTION descriptor.\r
2031 ///\r
2032 UINT16 FilePathListLength;\r
2033 ///\r
2034 /// The user readable description for the load option.\r
2035 /// This field ends with a Null character.\r
2036 ///\r
2037 // CHAR16 Description[];\r
2038 ///\r
2039 /// A packed array of UEFI device paths. The first element of the array is a\r
2040 /// device path that describes the device and location of the Image for this\r
2041 /// load option. The FilePathList[0] is specific to the device type. Other\r
2042 /// device paths may optionally exist in the FilePathList, but their usage is\r
2043 /// OSV specific. Each element in the array is variable length, and ends at\r
2044 /// the device path end structure. Because the size of Description is\r
2045 /// arbitrary, this data structure is not guaranteed to be aligned on a\r
2046 /// natural boundary. This data structure may have to be copied to an aligned\r
2047 /// natural boundary before it is used.\r
2048 ///\r
2049 // EFI_DEVICE_PATH_PROTOCOL FilePathList[];\r
2050 ///\r
2051 /// The remaining bytes in the load option descriptor are a binary data buffer\r
2052 /// that is passed to the loaded image. If the field is zero bytes long, a\r
2053 /// NULL pointer is passed to the loaded image. The number of bytes in\r
2054 /// OptionalData can be computed by subtracting the starting offset of\r
2055 /// OptionalData from total size in bytes of the EFI_LOAD_OPTION.\r
2056 ///\r
2057 // UINT8 OptionalData[];\r
2058} EFI_LOAD_OPTION;\r
2059#pragma pack()\r
2060\r
95cba3ee
A
2061//\r
2062// EFI Load Options Attributes\r
2063//\r
573b8a86
RN
2064#define LOAD_OPTION_ACTIVE 0x00000001\r
2065#define LOAD_OPTION_FORCE_RECONNECT 0x00000002\r
2066#define LOAD_OPTION_HIDDEN 0x00000008\r
2067#define LOAD_OPTION_CATEGORY 0x00001F00\r
2068\r
2069#define LOAD_OPTION_CATEGORY_BOOT 0x00000000\r
2070#define LOAD_OPTION_CATEGORY_APP 0x00000100\r
2071\r
2072#define EFI_BOOT_OPTION_SUPPORT_KEY 0x00000001\r
2073#define EFI_BOOT_OPTION_SUPPORT_APP 0x00000002\r
2074#define EFI_BOOT_OPTION_SUPPORT_SYSPREP 0x00000010\r
2075#define EFI_BOOT_OPTION_SUPPORT_COUNT 0x00000300\r
95cba3ee 2076\r
2a3f6a21 2077///\r
2078/// EFI Boot Key Data\r
2079///\r
d4468cdf
RN
2080typedef union {\r
2081 struct {\r
2082 ///\r
2083 /// Indicates the revision of the EFI_KEY_OPTION structure. This revision level should be 0.\r
2084 ///\r
2085 UINT32 Revision : 8;\r
2086 ///\r
2087 /// Either the left or right Shift keys must be pressed (1) or must not be pressed (0).\r
2088 ///\r
2089 UINT32 ShiftPressed : 1;\r
2090 ///\r
2091 /// Either the left or right Control keys must be pressed (1) or must not be pressed (0).\r
2092 ///\r
2093 UINT32 ControlPressed : 1;\r
2094 ///\r
2095 /// Either the left or right Alt keys must be pressed (1) or must not be pressed (0).\r
2096 ///\r
2097 UINT32 AltPressed : 1;\r
2098 ///\r
2099 /// Either the left or right Logo keys must be pressed (1) or must not be pressed (0).\r
2100 ///\r
2101 UINT32 LogoPressed : 1;\r
2102 ///\r
2103 /// The Menu key must be pressed (1) or must not be pressed (0).\r
2104 ///\r
2105 UINT32 MenuPressed : 1;\r
2106 ///\r
2107 /// The SysReq key must be pressed (1) or must not be pressed (0).\r
2108 ///\r
2109 UINT32 SysReqPressed : 1;\r
2110 UINT32 Reserved : 16;\r
2111 ///\r
2112 /// Specifies the actual number of entries in EFI_KEY_OPTION.Keys, from 0-3. If\r
2113 /// zero, then only the shift state is considered. If more than one, then the boot option will\r
2114 /// only be launched if all of the specified keys are pressed with the same shift state.\r
2115 ///\r
2116 UINT32 InputKeyCount : 2;\r
2117 } Options;\r
2118 UINT32 PackedValue;\r
2119} EFI_BOOT_KEY_DATA;\r
95cba3ee 2120\r
2a3f6a21 2121///\r
af2dc6a7 2122/// EFI Key Option.\r
2a3f6a21 2123///\r
53cdd439 2124#pragma pack(1)\r
95cba3ee 2125typedef struct {\r
1bf79370
LG
2126 ///\r
2127 /// Specifies options about how the key will be processed.\r
2128 ///\r
2129 EFI_BOOT_KEY_DATA KeyData;\r
2130 ///\r
2131 /// The CRC-32 which should match the CRC-32 of the entire EFI_LOAD_OPTION to\r
2132 /// which BootOption refers. If the CRC-32s do not match this value, then this key\r
2133 /// option is ignored.\r
2134 ///\r
2a3f6a21 2135 UINT32 BootOptionCrc;\r
1bf79370
LG
2136 ///\r
2137 /// The Boot#### option which will be invoked if this key is pressed and the boot option\r
2138 /// is active (LOAD_OPTION_ACTIVE is set).\r
2139 ///\r
2a3f6a21 2140 UINT16 BootOption;\r
1bf79370
LG
2141 ///\r
2142 /// The key codes to compare against those returned by the\r
2143 /// EFI_SIMPLE_TEXT_INPUT and EFI_SIMPLE_TEXT_INPUT_EX protocols.\r
2144 /// The number of key codes (0-3) is specified by the EFI_KEY_CODE_COUNT field in KeyOptions.\r
2145 ///\r
2146 //EFI_INPUT_KEY Keys[];\r
95cba3ee 2147} EFI_KEY_OPTION;\r
53cdd439 2148#pragma pack()\r
95cba3ee 2149\r
959ccb23 2150//\r
2151// EFI File location to boot from on removable media devices\r
2152//\r
2153#define EFI_REMOVABLE_MEDIA_FILE_NAME_IA32 L"\\EFI\\BOOT\\BOOTIA32.EFI"\r
2154#define EFI_REMOVABLE_MEDIA_FILE_NAME_IA64 L"\\EFI\\BOOT\\BOOTIA64.EFI"\r
2155#define EFI_REMOVABLE_MEDIA_FILE_NAME_X64 L"\\EFI\\BOOT\\BOOTX64.EFI"\r
ebd04fc2 2156#define EFI_REMOVABLE_MEDIA_FILE_NAME_ARM L"\\EFI\\BOOT\\BOOTARM.EFI"\r
b4319afb 2157#define EFI_REMOVABLE_MEDIA_FILE_NAME_AARCH64 L"\\EFI\\BOOT\\BOOTAA64.EFI"\r
959ccb23 2158\r
2159#if defined (MDE_CPU_IA32)\r
2160 #define EFI_REMOVABLE_MEDIA_FILE_NAME EFI_REMOVABLE_MEDIA_FILE_NAME_IA32\r
2161#elif defined (MDE_CPU_IPF)\r
2162 #define EFI_REMOVABLE_MEDIA_FILE_NAME EFI_REMOVABLE_MEDIA_FILE_NAME_IA64\r
2163#elif defined (MDE_CPU_X64)\r
2164 #define EFI_REMOVABLE_MEDIA_FILE_NAME EFI_REMOVABLE_MEDIA_FILE_NAME_X64\r
2165#elif defined (MDE_CPU_EBC)\r
ebd04fc2 2166#elif defined (MDE_CPU_ARM)\r
2167 #define EFI_REMOVABLE_MEDIA_FILE_NAME EFI_REMOVABLE_MEDIA_FILE_NAME_ARM\r
b4319afb
HL
2168#elif defined (MDE_CPU_AARCH64)\r
2169 #define EFI_REMOVABLE_MEDIA_FILE_NAME EFI_REMOVABLE_MEDIA_FILE_NAME_AARCH64\r
959ccb23 2170#else\r
2171 #error Unknown Processor Type\r
2172#endif\r
2173\r
959ccb23 2174#include <Uefi/UefiPxe.h>\r
2175#include <Uefi/UefiGpt.h>\r
2176#include <Uefi/UefiInternalFormRepresentation.h>\r
2177\r
2178#endif\r