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