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959ccb23 1/** @file\r
e0c047a0 2 Include file that supports UEFI.\r
959ccb23 3\r
ed5e386a
HW
4 This include file must contain things defined in the UEFI 2.6 specification.\r
5 If a code construct is defined in the UEFI 2.6 specification it must be included\r
959ccb23 6 by this include file.\r
7\r
5779d550 8Copyright (c) 2006 - 2017, 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
5779d550
DB
106 /// Type of the memory region.\r
107 /// Type EFI_MEMORY_TYPE is defined in the\r
108 /// AllocatePages() function description.\r
2a3f6a21 109 ///\r
00edb218 110 UINT32 Type;\r
2a3f6a21 111 ///\r
5779d550
DB
112 /// Physical address of the first byte in the memory region. PhysicalStart must be\r
113 /// aligned on a 4 KiB boundary, and must not be above 0xfffffffffffff000. Type\r
114 /// EFI_PHYSICAL_ADDRESS is defined in the AllocatePages() function description\r
2a3f6a21 115 ///\r
00edb218 116 EFI_PHYSICAL_ADDRESS PhysicalStart;\r
2a3f6a21 117 ///\r
5779d550
DB
118 /// Virtual address of the first byte in the memory region.\r
119 /// VirtualStart must be aligned on a 4 KiB boundary,\r
120 /// and must not be above 0xfffffffffffff000.\r
2a3f6a21 121 ///\r
00edb218 122 EFI_VIRTUAL_ADDRESS VirtualStart;\r
2a3f6a21 123 ///\r
5779d550
DB
124 /// NumberOfPagesNumber of 4 KiB pages in the memory region.\r
125 /// NumberOfPages must not be 0, and must not be any value\r
126 /// that would represent a memory page with a start address,\r
127 /// either physical or virtual, above 0xfffffffffffff000.\r
2a3f6a21 128 ///\r
00edb218 129 UINT64 NumberOfPages;\r
2a3f6a21 130 ///\r
131 /// Attributes of the memory region that describe the bit mask of capabilities\r
132 /// for that memory region, and not necessarily the current settings for that \r
133 /// memory region.\r
134 ///\r
00edb218 135 UINT64 Attribute;\r
959ccb23 136} EFI_MEMORY_DESCRIPTOR;\r
137\r
959ccb23 138/**\r
139 Allocates memory pages from the system.\r
140\r
d3d92557
FT
141 @param[in] Type The type of allocation to perform.\r
142 @param[in] MemoryType The type of memory to allocate.\r
ff9331e6
SZ
143 MemoryType values in the range 0x70000000..0x7FFFFFFF\r
144 are reserved for OEM use. MemoryType values in the range\r
145 0x80000000..0xFFFFFFFF are reserved for use by UEFI OS loaders\r
379f1cfe 146 that are provided by operating system vendors.\r
d3d92557
FT
147 @param[in] Pages The number of contiguous 4 KB pages to allocate.\r
148 @param[in, out] Memory The pointer to a physical address. On input, the way in which the address is\r
149 used depends on the value of Type.\r
959ccb23 150\r
151 @retval EFI_SUCCESS The requested pages were allocated.\r
152 @retval EFI_INVALID_PARAMETER 1) Type is not AllocateAnyPages or\r
153 AllocateMaxAddress or AllocateAddress.\r
154 2) MemoryType is in the range\r
ff9331e6 155 EfiMaxMemoryType..0x6FFFFFFF.\r
3e058701 156 3) Memory is NULL.\r
379f1cfe 157 4) MemoryType is EfiPersistentMemory.\r
959ccb23 158 @retval EFI_OUT_OF_RESOURCES The pages could not be allocated.\r
159 @retval EFI_NOT_FOUND The requested pages could not be found.\r
160\r
161**/\r
162typedef\r
163EFI_STATUS\r
8b13229b 164(EFIAPI *EFI_ALLOCATE_PAGES)(\r
959ccb23 165 IN EFI_ALLOCATE_TYPE Type,\r
166 IN EFI_MEMORY_TYPE MemoryType,\r
167 IN UINTN Pages,\r
168 IN OUT EFI_PHYSICAL_ADDRESS *Memory\r
169 );\r
170\r
171/**\r
172 Frees memory pages.\r
173\r
d3d92557
FT
174 @param[in] Memory The base physical address of the pages to be freed.\r
175 @param[in] Pages The number of contiguous 4 KB pages to free.\r
959ccb23 176\r
177 @retval EFI_SUCCESS The requested pages were freed.\r
178 @retval EFI_INVALID_PARAMETER Memory is not a page-aligned address or Pages is invalid.\r
179 @retval EFI_NOT_FOUND The requested memory pages were not allocated with\r
180 AllocatePages().\r
181\r
182**/\r
183typedef\r
184EFI_STATUS\r
8b13229b 185(EFIAPI *EFI_FREE_PAGES)(\r
959ccb23 186 IN EFI_PHYSICAL_ADDRESS Memory,\r
187 IN UINTN Pages\r
188 );\r
189\r
190/**\r
191 Returns the current memory map.\r
192\r
d3d92557
FT
193 @param[in, out] MemoryMapSize A pointer to the size, in bytes, of the MemoryMap buffer.\r
194 On input, this is the size of the buffer allocated by the caller.\r
195 On output, it is the size of the buffer returned by the firmware if\r
196 the buffer was large enough, or the size of the buffer needed to contain\r
197 the map if the buffer was too small.\r
198 @param[in, out] MemoryMap A pointer to the buffer in which firmware places the current memory\r
199 map.\r
200 @param[out] MapKey A pointer to the location in which firmware returns the key for the\r
201 current memory map.\r
202 @param[out] DescriptorSize A pointer to the location in which firmware returns the size, in bytes, of\r
203 an individual EFI_MEMORY_DESCRIPTOR.\r
204 @param[out] DescriptorVersion A pointer to the location in which firmware returns the version number\r
205 associated with the EFI_MEMORY_DESCRIPTOR.\r
959ccb23 206\r
207 @retval EFI_SUCCESS The memory map was returned in the MemoryMap buffer.\r
208 @retval EFI_BUFFER_TOO_SMALL The MemoryMap buffer was too small. The current buffer size\r
209 needed to hold the memory map is returned in MemoryMapSize.\r
210 @retval EFI_INVALID_PARAMETER 1) MemoryMapSize is NULL.\r
211 2) The MemoryMap buffer is not too small and MemoryMap is\r
212 NULL.\r
213\r
214**/\r
215typedef\r
216EFI_STATUS\r
8b13229b 217(EFIAPI *EFI_GET_MEMORY_MAP)(\r
959ccb23 218 IN OUT UINTN *MemoryMapSize,\r
219 IN OUT EFI_MEMORY_DESCRIPTOR *MemoryMap,\r
220 OUT UINTN *MapKey,\r
221 OUT UINTN *DescriptorSize,\r
222 OUT UINT32 *DescriptorVersion\r
223 );\r
224\r
225/**\r
226 Allocates pool memory.\r
227\r
d3d92557 228 @param[in] PoolType The type of pool to allocate.\r
ff9331e6
SZ
229 MemoryType values in the range 0x70000000..0x7FFFFFFF\r
230 are reserved for OEM use. MemoryType values in the range\r
231 0x80000000..0xFFFFFFFF are reserved for use by UEFI OS loaders\r
379f1cfe 232 that are provided by operating system vendors.\r
d3d92557
FT
233 @param[in] Size The number of bytes to allocate from the pool.\r
234 @param[out] Buffer A pointer to a pointer to the allocated buffer if the call succeeds;\r
959ccb23 235 undefined otherwise.\r
236\r
237 @retval EFI_SUCCESS The requested number of bytes was allocated.\r
238 @retval EFI_OUT_OF_RESOURCES The pool requested could not be allocated.\r
379f1cfe
SZ
239 @retval EFI_INVALID_PARAMETER Buffer is NULL.\r
240 PoolType is in the range EfiMaxMemoryType..0x6FFFFFFF.\r
241 PoolType is EfiPersistentMemory.\r
959ccb23 242\r
243**/\r
244typedef\r
245EFI_STATUS\r
8b13229b 246(EFIAPI *EFI_ALLOCATE_POOL)(\r
959ccb23 247 IN EFI_MEMORY_TYPE PoolType,\r
248 IN UINTN Size,\r
249 OUT VOID **Buffer\r
250 );\r
251\r
252/**\r
253 Returns pool memory to the system.\r
254\r
d3d92557 255 @param[in] Buffer The pointer to the buffer to free.\r
959ccb23 256\r
257 @retval EFI_SUCCESS The memory was returned to the system.\r
258 @retval EFI_INVALID_PARAMETER Buffer was invalid.\r
259\r
260**/\r
261typedef\r
262EFI_STATUS\r
8b13229b 263(EFIAPI *EFI_FREE_POOL)(\r
959ccb23 264 IN VOID *Buffer\r
265 );\r
266\r
267/**\r
268 Changes the runtime addressing mode of EFI firmware from physical to virtual.\r
269\r
d3d92557
FT
270 @param[in] MemoryMapSize The size in bytes of VirtualMap.\r
271 @param[in] DescriptorSize The size in bytes of an entry in the VirtualMap.\r
272 @param[in] DescriptorVersion The version of the structure entries in VirtualMap.\r
273 @param[in] VirtualMap An array of memory descriptors which contain new virtual\r
959ccb23 274 address mapping information for all runtime ranges.\r
275\r
276 @retval EFI_SUCCESS The virtual address map has been applied.\r
277 @retval EFI_UNSUPPORTED EFI firmware is not at runtime, or the EFI firmware is already in\r
278 virtual address mapped mode.\r
279 @retval EFI_INVALID_PARAMETER DescriptorSize or DescriptorVersion is invalid.\r
280 @retval EFI_NO_MAPPING A virtual address was not supplied for a range in the memory\r
281 map that requires a mapping.\r
282 @retval EFI_NOT_FOUND A virtual address was supplied for an address that is not found\r
283 in the memory map.\r
284\r
285**/\r
286typedef\r
287EFI_STATUS\r
8b13229b 288(EFIAPI *EFI_SET_VIRTUAL_ADDRESS_MAP)(\r
959ccb23 289 IN UINTN MemoryMapSize,\r
290 IN UINTN DescriptorSize,\r
291 IN UINT32 DescriptorVersion,\r
292 IN EFI_MEMORY_DESCRIPTOR *VirtualMap\r
293 );\r
294\r
295/**\r
296 Connects one or more drivers to a controller.\r
297\r
d3d92557
FT
298 @param[in] ControllerHandle The handle of the controller to which driver(s) are to be connected.\r
299 @param[in] DriverImageHandle A pointer to an ordered list handles that support the\r
300 EFI_DRIVER_BINDING_PROTOCOL.\r
301 @param[in] RemainingDevicePath A pointer to the device path that specifies a child of the\r
302 controller specified by ControllerHandle.\r
303 @param[in] Recursive If TRUE, then ConnectController() is called recursively\r
304 until the entire tree of controllers below the controller specified\r
305 by ControllerHandle have been created. If FALSE, then\r
306 the tree of controllers is only expanded one level.\r
959ccb23 307\r
308 @retval EFI_SUCCESS 1) One or more drivers were connected to ControllerHandle.\r
309 2) No drivers were connected to ControllerHandle, but\r
310 RemainingDevicePath is not NULL, and it is an End Device\r
311 Path Node.\r
18bd7e85 312 @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.\r
959ccb23 313 @retval EFI_NOT_FOUND 1) There are no EFI_DRIVER_BINDING_PROTOCOL instances\r
314 present in the system.\r
315 2) No drivers were connected to ControllerHandle.\r
b92b1209
LG
316 @retval EFI_SECURITY_VIOLATION \r
317 The user has no permission to start UEFI device drivers on the device path \r
318 associated with the ControllerHandle or specified by the RemainingDevicePath.\r
959ccb23 319**/\r
320typedef\r
321EFI_STATUS\r
8b13229b 322(EFIAPI *EFI_CONNECT_CONTROLLER)(\r
959ccb23 323 IN EFI_HANDLE ControllerHandle,\r
324 IN EFI_HANDLE *DriverImageHandle, OPTIONAL\r
325 IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath, OPTIONAL\r
326 IN BOOLEAN Recursive\r
327 );\r
328\r
329/**\r
330 Disconnects one or more drivers from a controller.\r
331\r
d3d92557
FT
332 @param[in] ControllerHandle The handle of the controller from which driver(s) are to be disconnected.\r
333 @param[in] DriverImageHandle The driver to disconnect from ControllerHandle.\r
334 If DriverImageHandle is NULL, then all the drivers currently managing\r
335 ControllerHandle are disconnected from ControllerHandle.\r
336 @param[in] ChildHandle The handle of the child to destroy.\r
337 If ChildHandle is NULL, then all the children of ControllerHandle are\r
338 destroyed before the drivers are disconnected from ControllerHandle.\r
959ccb23 339\r
340 @retval EFI_SUCCESS 1) One or more drivers were disconnected from the controller.\r
341 2) On entry, no drivers are managing ControllerHandle.\r
342 3) DriverImageHandle is not NULL, and on entry\r
343 DriverImageHandle is not managing ControllerHandle.\r
d9de7921 344 @retval EFI_INVALID_PARAMETER 1) ControllerHandle is NULL.\r
e0c047a0 345 2) DriverImageHandle is not NULL, and it is not a valid EFI_HANDLE.\r
346 3) ChildHandle is not NULL, and it is not a valid EFI_HANDLE.\r
347 4) DriverImageHandle does not support the EFI_DRIVER_BINDING_PROTOCOL.\r
959ccb23 348 @retval EFI_OUT_OF_RESOURCES There are not enough resources available to disconnect any drivers from\r
349 ControllerHandle.\r
350 @retval EFI_DEVICE_ERROR The controller could not be disconnected because of a device error.\r
351\r
352**/\r
353typedef\r
354EFI_STATUS\r
8b13229b 355(EFIAPI *EFI_DISCONNECT_CONTROLLER)(\r
959ccb23 356 IN EFI_HANDLE ControllerHandle,\r
357 IN EFI_HANDLE DriverImageHandle, OPTIONAL\r
358 IN EFI_HANDLE ChildHandle OPTIONAL\r
359 );\r
360\r
361\r
362\r
363//\r
364// ConvertPointer DebugDisposition type.\r
365//\r
366#define EFI_OPTIONAL_PTR 0x00000001\r
959ccb23 367\r
368/**\r
369 Determines the new virtual address that is to be used on subsequent memory accesses.\r
370\r
d3d92557
FT
371 @param[in] DebugDisposition Supplies type information for the pointer being converted.\r
372 @param[in, out] Address A pointer to a pointer that is to be fixed to be the value needed\r
373 for the new virtual address mappings being applied.\r
959ccb23 374\r
375 @retval EFI_SUCCESS The pointer pointed to by Address was modified.\r
376 @retval EFI_INVALID_PARAMETER 1) Address is NULL.\r
377 2) *Address is NULL and DebugDisposition does\r
378 not have the EFI_OPTIONAL_PTR bit set.\r
379 @retval EFI_NOT_FOUND The pointer pointed to by Address was not found to be part\r
380 of the current memory map. This is normally fatal.\r
381\r
382**/\r
383typedef\r
384EFI_STATUS\r
8b13229b 385(EFIAPI *EFI_CONVERT_POINTER)(\r
959ccb23 386 IN UINTN DebugDisposition,\r
387 IN OUT VOID **Address\r
388 );\r
389\r
390\r
391//\r
ac644614 392// These types can be ORed together as needed - for example,\r
93ce5aca 393// EVT_TIMER might be Ored with EVT_NOTIFY_WAIT or\r
959ccb23 394// EVT_NOTIFY_SIGNAL.\r
395//\r
00edb218
A
396#define EVT_TIMER 0x80000000\r
397#define EVT_RUNTIME 0x40000000\r
00edb218
A
398#define EVT_NOTIFY_WAIT 0x00000100\r
399#define EVT_NOTIFY_SIGNAL 0x00000200\r
93ce5aca 400\r
00edb218 401#define EVT_SIGNAL_EXIT_BOOT_SERVICES 0x00000201\r
93ce5aca 402#define EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE 0x60000202\r
959ccb23 403\r
404//\r
ac644614 405// The event's NotifyContext pointer points to a runtime memory\r
d0c64728 406// address.\r
959ccb23 407// The event is deprecated in UEFI2.0 and later specifications.\r
d0c64728 408//\r
959ccb23 409#define EVT_RUNTIME_CONTEXT 0x20000000\r
410\r
411\r
412/**\r
413 Invoke a notification event\r
414\r
d3d92557
FT
415 @param[in] Event Event whose notification function is being invoked.\r
416 @param[in] Context The pointer to the notification function's context,\r
417 which is implementation-dependent.\r
959ccb23 418\r
419**/\r
420typedef\r
421VOID\r
8b13229b 422(EFIAPI *EFI_EVENT_NOTIFY)(\r
959ccb23 423 IN EFI_EVENT Event,\r
424 IN VOID *Context\r
425 );\r
426\r
427/**\r
428 Creates an event.\r
429\r
d3d92557
FT
430 @param[in] Type The type of event to create and its mode and attributes.\r
431 @param[in] NotifyTpl The task priority level of event notifications, if needed.\r
432 @param[in] NotifyFunction The pointer to the event's notification function, if any.\r
433 @param[in] NotifyContext The pointer to the notification function's context; corresponds to parameter\r
959ccb23 434 Context in the notification function.\r
d3d92557 435 @param[out] Event The pointer to the newly created event if the call succeeds; undefined\r
959ccb23 436 otherwise.\r
437\r
438 @retval EFI_SUCCESS The event structure was created.\r
439 @retval EFI_INVALID_PARAMETER One or more parameters are invalid.\r
440 @retval EFI_OUT_OF_RESOURCES The event could not be allocated.\r
441\r
442**/\r
443typedef\r
444EFI_STATUS\r
8b13229b 445(EFIAPI *EFI_CREATE_EVENT)(\r
959ccb23 446 IN UINT32 Type,\r
447 IN EFI_TPL NotifyTpl,\r
448 IN EFI_EVENT_NOTIFY NotifyFunction,\r
449 IN VOID *NotifyContext,\r
450 OUT EFI_EVENT *Event\r
451 );\r
452\r
453/**\r
454 Creates an event in a group.\r
455\r
d3d92557
FT
456 @param[in] Type The type of event to create and its mode and attributes.\r
457 @param[in] NotifyTpl The task priority level of event notifications,if needed.\r
458 @param[in] NotifyFunction The pointer to the event's notification function, if any.\r
459 @param[in] NotifyContext The pointer to the notification function's context; corresponds to parameter\r
959ccb23 460 Context in the notification function.\r
d3d92557 461 @param[in] EventGroup The pointer to the unique identifier of the group to which this event belongs.\r
e0c047a0 462 If this is NULL, then the function behaves as if the parameters were passed\r
463 to CreateEvent.\r
d3d92557 464 @param[out] Event The pointer to the newly created event if the call succeeds; undefined\r
959ccb23 465 otherwise.\r
466\r
467 @retval EFI_SUCCESS The event structure was created.\r
468 @retval EFI_INVALID_PARAMETER One or more parameters are invalid.\r
469 @retval EFI_OUT_OF_RESOURCES The event could not be allocated.\r
470\r
471**/\r
472typedef\r
473EFI_STATUS\r
8b13229b 474(EFIAPI *EFI_CREATE_EVENT_EX)(\r
959ccb23 475 IN UINT32 Type,\r
e0c047a0 476 IN EFI_TPL NotifyTpl,\r
959ccb23 477 IN EFI_EVENT_NOTIFY NotifyFunction OPTIONAL,\r
478 IN CONST VOID *NotifyContext OPTIONAL,\r
479 IN CONST EFI_GUID *EventGroup OPTIONAL,\r
480 OUT EFI_EVENT *Event\r
481 );\r
482\r
e0c047a0 483///\r
484/// Timer delay types\r
485///\r
959ccb23 486typedef enum {\r
2a3f6a21 487 ///\r
af2dc6a7 488 /// An event's timer settings is to be cancelled and not trigger time is to be set/\r
2a3f6a21 489 ///\r
959ccb23 490 TimerCancel,\r
2a3f6a21 491 ///\r
93e8d03c 492 /// An event is to be signaled periodically at a specified interval from the current time.\r
2a3f6a21 493 ///\r
959ccb23 494 TimerPeriodic,\r
2a3f6a21 495 ///\r
93e8d03c 496 /// An event is to be signaled once at a specified interval from the current time.\r
2a3f6a21 497 ///\r
959ccb23 498 TimerRelative\r
499} EFI_TIMER_DELAY;\r
500\r
501/**\r
502 Sets the type of timer and the trigger time for a timer event.\r
503\r
d3d92557
FT
504 @param[in] Event The timer event that is to be signaled at the specified time.\r
505 @param[in] Type The type of time that is specified in TriggerTime.\r
506 @param[in] TriggerTime The number of 100ns units until the timer expires.\r
e0c047a0 507 A TriggerTime of 0 is legal.\r
508 If Type is TimerRelative and TriggerTime is 0, then the timer\r
509 event will be signaled on the next timer tick.\r
510 If Type is TimerPeriodic and TriggerTime is 0, then the timer\r
511 event will be signaled on every timer tick.\r
959ccb23 512\r
513 @retval EFI_SUCCESS The event has been set to be signaled at the requested time.\r
514 @retval EFI_INVALID_PARAMETER Event or Type is not valid.\r
515\r
516**/\r
517typedef\r
518EFI_STATUS\r
8b13229b 519(EFIAPI *EFI_SET_TIMER)(\r
959ccb23 520 IN EFI_EVENT Event,\r
521 IN EFI_TIMER_DELAY Type,\r
522 IN UINT64 TriggerTime\r
523 );\r
524\r
525/**\r
526 Signals an event.\r
527\r
d3d92557 528 @param[in] Event The event to signal.\r
959ccb23 529\r
530 @retval EFI_SUCCESS The event has been signaled.\r
531\r
532**/\r
533typedef\r
534EFI_STATUS\r
8b13229b 535(EFIAPI *EFI_SIGNAL_EVENT)(\r
959ccb23 536 IN EFI_EVENT Event\r
537 );\r
538\r
539/**\r
540 Stops execution until an event is signaled.\r
541\r
d3d92557
FT
542 @param[in] NumberOfEvents The number of events in the Event array.\r
543 @param[in] Event An array of EFI_EVENT.\r
544 @param[out] Index The pointer to the index of the event which satisfied the wait condition.\r
959ccb23 545\r
546 @retval EFI_SUCCESS The event indicated by Index was signaled.\r
547 @retval EFI_INVALID_PARAMETER 1) NumberOfEvents is 0.\r
548 2) The event indicated by Index is of type\r
549 EVT_NOTIFY_SIGNAL.\r
550 @retval EFI_UNSUPPORTED The current TPL is not TPL_APPLICATION.\r
551\r
552**/\r
553typedef\r
554EFI_STATUS\r
8b13229b 555(EFIAPI *EFI_WAIT_FOR_EVENT)(\r
959ccb23 556 IN UINTN NumberOfEvents,\r
557 IN EFI_EVENT *Event,\r
558 OUT UINTN *Index\r
559 );\r
560\r
561/**\r
562 Closes an event.\r
563\r
d3d92557 564 @param[in] Event The event to close.\r
959ccb23 565\r
566 @retval EFI_SUCCESS The event has been closed.\r
567\r
568**/\r
569typedef\r
570EFI_STATUS\r
8b13229b 571(EFIAPI *EFI_CLOSE_EVENT)(\r
959ccb23 572 IN EFI_EVENT Event\r
573 );\r
574\r
575/**\r
576 Checks whether an event is in the signaled state.\r
577\r
d3d92557 578 @param[in] Event The event to check.\r
959ccb23 579\r
580 @retval EFI_SUCCESS The event is in the signaled state.\r
581 @retval EFI_NOT_READY The event is not in the signaled state.\r
582 @retval EFI_INVALID_PARAMETER Event is of type EVT_NOTIFY_SIGNAL.\r
583\r
584**/\r
585typedef\r
586EFI_STATUS\r
8b13229b 587(EFIAPI *EFI_CHECK_EVENT)(\r
959ccb23 588 IN EFI_EVENT Event\r
589 );\r
590\r
591\r
592//\r
e0c047a0 593// Task priority level\r
959ccb23 594//\r
595#define TPL_APPLICATION 4\r
596#define TPL_CALLBACK 8\r
597#define TPL_NOTIFY 16\r
598#define TPL_HIGH_LEVEL 31\r
599\r
600\r
601/**\r
602 Raises a task's priority level and returns its previous level.\r
603\r
d3d92557 604 @param[in] NewTpl The new task priority level.\r
959ccb23 605\r
e0c047a0 606 @return Previous task priority level\r
959ccb23 607\r
608**/\r
609typedef\r
610EFI_TPL\r
8b13229b 611(EFIAPI *EFI_RAISE_TPL)(\r
959ccb23 612 IN EFI_TPL NewTpl\r
613 );\r
614\r
615/**\r
616 Restores a task's priority level to its previous value.\r
617\r
d3d92557 618 @param[in] OldTpl The previous task priority level to restore.\r
959ccb23 619\r
620**/\r
621typedef\r
622VOID\r
8b13229b 623(EFIAPI *EFI_RESTORE_TPL)(\r
959ccb23 624 IN EFI_TPL OldTpl\r
625 );\r
626\r
627/**\r
628 Returns the value of a variable.\r
629\r
d3d92557
FT
630 @param[in] VariableName A Null-terminated string that is the name of the vendor's\r
631 variable.\r
632 @param[in] VendorGuid A unique identifier for the vendor.\r
633 @param[out] Attributes If not NULL, a pointer to the memory location to return the\r
634 attributes bitmask for the variable.\r
635 @param[in, out] DataSize On input, the size in bytes of the return Data buffer.\r
636 On output the size of data returned in Data.\r
61ce1aea
SZ
637 @param[out] Data The buffer to return the contents of the variable. May be NULL\r
638 with a zero DataSize in order to determine the size buffer needed.\r
959ccb23 639\r
e0c047a0 640 @retval EFI_SUCCESS The function completed successfully.\r
641 @retval EFI_NOT_FOUND The variable was not found.\r
642 @retval EFI_BUFFER_TOO_SMALL The DataSize is too small for the result.\r
643 @retval EFI_INVALID_PARAMETER VariableName is NULL.\r
644 @retval EFI_INVALID_PARAMETER VendorGuid is NULL.\r
645 @retval EFI_INVALID_PARAMETER DataSize is NULL.\r
646 @retval EFI_INVALID_PARAMETER The DataSize is not too small and Data is NULL.\r
647 @retval EFI_DEVICE_ERROR The variable could not be retrieved due to a hardware error.\r
648 @retval EFI_SECURITY_VIOLATION The variable could not be retrieved due to an authentication failure.\r
959ccb23 649\r
650**/\r
651typedef\r
652EFI_STATUS\r
8b13229b 653(EFIAPI *EFI_GET_VARIABLE)(\r
959ccb23 654 IN CHAR16 *VariableName,\r
655 IN EFI_GUID *VendorGuid,\r
656 OUT UINT32 *Attributes, OPTIONAL\r
657 IN OUT UINTN *DataSize,\r
61ce1aea 658 OUT VOID *Data OPTIONAL\r
959ccb23 659 );\r
660\r
661/**\r
662 Enumerates the current variable names.\r
663\r
d3d92557
FT
664 @param[in, out] VariableNameSize The size of the VariableName buffer.\r
665 @param[in, out] VariableName On input, supplies the last VariableName that was returned\r
666 by GetNextVariableName(). On output, returns the Nullterminated\r
667 string of the current variable.\r
668 @param[in, out] VendorGuid On input, supplies the last VendorGuid that was returned by\r
669 GetNextVariableName(). On output, returns the\r
670 VendorGuid of the current variable.\r
959ccb23 671\r
672 @retval EFI_SUCCESS The function completed successfully.\r
673 @retval EFI_NOT_FOUND The next variable was not found.\r
674 @retval EFI_BUFFER_TOO_SMALL The VariableNameSize is too small for the result.\r
e0c047a0 675 @retval EFI_INVALID_PARAMETER VariableNameSize is NULL.\r
676 @retval EFI_INVALID_PARAMETER VariableName is NULL.\r
677 @retval EFI_INVALID_PARAMETER VendorGuid is NULL.\r
959ccb23 678 @retval EFI_DEVICE_ERROR The variable could not be retrieved due to a hardware error.\r
679\r
680**/\r
681typedef\r
682EFI_STATUS\r
8b13229b 683(EFIAPI *EFI_GET_NEXT_VARIABLE_NAME)(\r
959ccb23 684 IN OUT UINTN *VariableNameSize,\r
685 IN OUT CHAR16 *VariableName,\r
686 IN OUT EFI_GUID *VendorGuid\r
687 );\r
688\r
689/**\r
690 Sets the value of a variable.\r
691\r
d3d92557 692 @param[in] VariableName A Null-terminated string that is the name of the vendor's variable.\r
db27cda5 693 Each VariableName is unique for each VendorGuid. VariableName must\r
694 contain 1 or more characters. If VariableName is an empty string,\r
695 then EFI_INVALID_PARAMETER is returned.\r
d3d92557
FT
696 @param[in] VendorGuid A unique identifier for the vendor.\r
697 @param[in] Attributes Attributes bitmask to set for the variable.\r
698 @param[in] DataSize The size in bytes of the Data buffer. Unless the EFI_VARIABLE_APPEND_WRITE, \r
ce1d1c9a
SQ
699 EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS, or \r
700 EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS attribute is set, a size of zero \r
701 causes the variable to be deleted. When the EFI_VARIABLE_APPEND_WRITE attribute is \r
702 set, then a SetVariable() call with a DataSize of zero will not cause any change to \r
703 the variable value (the timestamp associated with the variable may be updated however \r
704 even if no new data value is provided,see the description of the \r
705 EFI_VARIABLE_AUTHENTICATION_2 descriptor below. In this case the DataSize will not \r
706 be zero since the EFI_VARIABLE_AUTHENTICATION_2 descriptor will be populated). \r
d3d92557 707 @param[in] Data The contents for the variable.\r
959ccb23 708\r
e0c047a0 709 @retval EFI_SUCCESS The firmware has successfully stored the variable and its data as\r
710 defined by the Attributes.\r
6675a21f 711 @retval EFI_INVALID_PARAMETER An invalid combination of attribute bits, name, and GUID was supplied, or the\r
e0c047a0 712 DataSize exceeds the maximum allowed.\r
db27cda5 713 @retval EFI_INVALID_PARAMETER VariableName is an empty string.\r
e0c047a0 714 @retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold the variable and its data.\r
715 @retval EFI_DEVICE_ERROR The variable could not be retrieved due to a hardware error.\r
716 @retval EFI_WRITE_PROTECTED The variable in question is read-only.\r
717 @retval EFI_WRITE_PROTECTED The variable in question cannot be deleted.\r
ce1d1c9a
SQ
718 @retval EFI_SECURITY_VIOLATION The variable could not be written due to EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS \r
719 or EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACESS being set, but the AuthInfo \r
720 does NOT pass the validation check carried out by the firmware.\r
721 \r
e0c047a0 722 @retval EFI_NOT_FOUND The variable trying to be updated or deleted was not found.\r
959ccb23 723\r
724**/\r
725typedef\r
726EFI_STATUS\r
8b13229b 727(EFIAPI *EFI_SET_VARIABLE)(\r
959ccb23 728 IN CHAR16 *VariableName,\r
729 IN EFI_GUID *VendorGuid,\r
730 IN UINT32 Attributes,\r
731 IN UINTN DataSize,\r
732 IN VOID *Data\r
733 );\r
734\r
735\r
e0c047a0 736///\r
737/// This provides the capabilities of the\r
738/// real time clock device as exposed through the EFI interfaces.\r
739///\r
959ccb23 740typedef struct {\r
1bf79370
LG
741 ///\r
742 /// Provides the reporting resolution of the real-time clock device in\r
743 /// counts per second. For a normal PC-AT CMOS RTC device, this\r
744 /// value would be 1 Hz, or 1, to indicate that the device only reports\r
745 /// the time to the resolution of 1 second.\r
746 ///\r
00edb218 747 UINT32 Resolution;\r
1bf79370
LG
748 ///\r
749 /// Provides the timekeeping accuracy of the real-time clock in an\r
750 /// error rate of 1E-6 parts per million. For a clock with an accuracy\r
751 /// of 50 parts per million, the value in this field would be\r
752 /// 50,000,000.\r
753 ///\r
00edb218 754 UINT32 Accuracy;\r
1bf79370 755 ///\r
de2314f8 756 /// A TRUE indicates that a time set operation clears the device's\r
1bf79370
LG
757 /// time below the Resolution reporting level. A FALSE\r
758 /// indicates that the state below the Resolution level of the\r
759 /// device is not cleared when the time is set. Normal PC-AT CMOS\r
760 /// RTC devices set this value to FALSE.\r
761 ///\r
00edb218 762 BOOLEAN SetsToZero;\r
959ccb23 763} EFI_TIME_CAPABILITIES;\r
764\r
765/**\r
766 Returns the current time and date information, and the time-keeping capabilities\r
767 of the hardware platform.\r
768\r
d3d92557
FT
769 @param[out] Time A pointer to storage to receive a snapshot of the current time.\r
770 @param[out] Capabilities An optional pointer to a buffer to receive the real time clock\r
959ccb23 771 device's capabilities.\r
772\r
773 @retval EFI_SUCCESS The operation completed successfully.\r
774 @retval EFI_INVALID_PARAMETER Time is NULL.\r
775 @retval EFI_DEVICE_ERROR The time could not be retrieved due to hardware error.\r
776\r
777**/\r
778typedef\r
779EFI_STATUS\r
8b13229b 780(EFIAPI *EFI_GET_TIME)(\r
959ccb23 781 OUT EFI_TIME *Time,\r
782 OUT EFI_TIME_CAPABILITIES *Capabilities OPTIONAL\r
783 );\r
784\r
785/**\r
786 Sets the current local time and date information.\r
787\r
d3d92557 788 @param[in] Time A pointer to the current time.\r
959ccb23 789\r
790 @retval EFI_SUCCESS The operation completed successfully.\r
791 @retval EFI_INVALID_PARAMETER A time field is out of range.\r
792 @retval EFI_DEVICE_ERROR The time could not be set due due to hardware error.\r
793\r
794**/\r
795typedef\r
796EFI_STATUS\r
8b13229b 797(EFIAPI *EFI_SET_TIME)(\r
959ccb23 798 IN EFI_TIME *Time\r
799 );\r
800\r
801/**\r
802 Returns the current wakeup alarm clock setting.\r
803\r
d3d92557
FT
804 @param[out] Enabled Indicates if the alarm is currently enabled or disabled.\r
805 @param[out] Pending Indicates if the alarm signal is pending and requires acknowledgement.\r
806 @param[out] Time The current alarm setting.\r
959ccb23 807\r
808 @retval EFI_SUCCESS The alarm settings were returned.\r
e0c047a0 809 @retval EFI_INVALID_PARAMETER Enabled is NULL.\r
810 @retval EFI_INVALID_PARAMETER Pending is NULL.\r
811 @retval EFI_INVALID_PARAMETER Time is NULL.\r
959ccb23 812 @retval EFI_DEVICE_ERROR The wakeup time could not be retrieved due to a hardware error.\r
e0c047a0 813 @retval EFI_UNSUPPORTED A wakeup timer is not supported on this platform.\r
959ccb23 814\r
815**/\r
816typedef\r
817EFI_STATUS\r
8b13229b 818(EFIAPI *EFI_GET_WAKEUP_TIME)(\r
959ccb23 819 OUT BOOLEAN *Enabled,\r
820 OUT BOOLEAN *Pending,\r
821 OUT EFI_TIME *Time\r
822 );\r
823\r
824/**\r
825 Sets the system wakeup alarm clock time.\r
826\r
d3d92557
FT
827 @param[in] Enable Enable or disable the wakeup alarm.\r
828 @param[in] Time If Enable is TRUE, the time to set the wakeup alarm for.\r
e0c047a0 829 If Enable is FALSE, then this parameter is optional, and may be NULL.\r
959ccb23 830\r
831 @retval EFI_SUCCESS If Enable is TRUE, then the wakeup alarm was enabled. If\r
832 Enable is FALSE, then the wakeup alarm was disabled.\r
833 @retval EFI_INVALID_PARAMETER A time field is out of range.\r
834 @retval EFI_DEVICE_ERROR The wakeup time could not be set due to a hardware error.\r
835 @retval EFI_UNSUPPORTED A wakeup timer is not supported on this platform.\r
836\r
837**/\r
838typedef\r
839EFI_STATUS\r
8b13229b 840(EFIAPI *EFI_SET_WAKEUP_TIME)(\r
959ccb23 841 IN BOOLEAN Enable,\r
842 IN EFI_TIME *Time OPTIONAL\r
843 );\r
844\r
959ccb23 845/**\r
846 Loads an EFI image into memory.\r
847\r
d3d92557
FT
848 @param[in] BootPolicy If TRUE, indicates that the request originates from the boot\r
849 manager, and that the boot manager is attempting to load\r
850 FilePath as a boot selection. Ignored if SourceBuffer is\r
851 not NULL.\r
852 @param[in] ParentImageHandle The caller's image handle.\r
853 @param[in] DevicePath The DeviceHandle specific file path from which the image is\r
854 loaded.\r
855 @param[in] SourceBuffer If not NULL, a pointer to the memory location containing a copy\r
856 of the image to be loaded.\r
857 @param[in] SourceSize The size in bytes of SourceBuffer. Ignored if SourceBuffer is NULL.\r
858 @param[out] ImageHandle The pointer to the returned image handle that is created when the\r
859 image is successfully loaded.\r
860\r
861 @retval EFI_SUCCESS Image was loaded into memory correctly.\r
862 @retval EFI_NOT_FOUND Both SourceBuffer and DevicePath are NULL.\r
863 @retval EFI_INVALID_PARAMETER One or more parametes are invalid.\r
864 @retval EFI_UNSUPPORTED The image type is not supported.\r
865 @retval EFI_OUT_OF_RESOURCES Image was not loaded due to insufficient resources.\r
866 @retval EFI_LOAD_ERROR Image was not loaded because the image format was corrupt or not\r
867 understood.\r
868 @retval EFI_DEVICE_ERROR Image was not loaded because the device returned a read error.\r
869 @retval EFI_ACCESS_DENIED Image was not loaded because the platform policy prohibits the \r
870 image from being loaded. NULL is returned in *ImageHandle.\r
9095e76b 871 @retval EFI_SECURITY_VIOLATION Image was loaded and an ImageHandle was created with a \r
d3d92557
FT
872 valid EFI_LOADED_IMAGE_PROTOCOL. However, the current \r
873 platform policy specifies that the image should not be started.\r
959ccb23 874**/\r
875typedef\r
876EFI_STATUS\r
8b13229b 877(EFIAPI *EFI_IMAGE_LOAD)(\r
959ccb23 878 IN BOOLEAN BootPolicy,\r
879 IN EFI_HANDLE ParentImageHandle,\r
e0c047a0 880 IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,\r
959ccb23 881 IN VOID *SourceBuffer OPTIONAL,\r
882 IN UINTN SourceSize,\r
883 OUT EFI_HANDLE *ImageHandle\r
884 );\r
885\r
886/**\r
887 Transfers control to a loaded image's entry point.\r
888\r
d3d92557
FT
889 @param[in] ImageHandle Handle of image to be started.\r
890 @param[out] ExitDataSize The pointer to the size, in bytes, of ExitData.\r
891 @param[out] ExitData The pointer to a pointer to a data buffer that includes a Null-terminated\r
892 string, optionally followed by additional binary data.\r
959ccb23 893\r
b92b1209
LG
894 @retval EFI_INVALID_PARAMETER ImageHandle is either an invalid image handle or the image\r
895 has already been initialized with StartImage.\r
896 @retval EFI_SECURITY_VIOLATION The current platform policy specifies that the image should not be started.\r
e0c047a0 897 @return Exit code from image\r
959ccb23 898\r
899**/\r
900typedef\r
901EFI_STATUS\r
8b13229b 902(EFIAPI *EFI_IMAGE_START)(\r
959ccb23 903 IN EFI_HANDLE ImageHandle,\r
904 OUT UINTN *ExitDataSize,\r
905 OUT CHAR16 **ExitData OPTIONAL\r
906 );\r
907\r
908/**\r
909 Terminates a loaded EFI image and returns control to boot services.\r
910\r
d3d92557 911 @param[in] ImageHandle Handle that identifies the image. This parameter is passed to the \r
fbf926ad 912 image on entry.\r
d3d92557
FT
913 @param[in] ExitStatus The image's exit code.\r
914 @param[in] ExitDataSize The size, in bytes, of ExitData. Ignored if ExitStatus is EFI_SUCCESS.\r
915 @param[in] ExitData The pointer to a data buffer that includes a Null-terminated string,\r
fbf926ad 916 optionally followed by additional binary data. The string is a \r
917 description that the caller may use to further indicate the reason \r
918 for the image's exit. ExitData is only valid if ExitStatus \r
919 is something other than EFI_SUCCESS. The ExitData buffer \r
920 must be allocated by calling AllocatePool().\r
959ccb23 921\r
922 @retval EFI_SUCCESS The image specified by ImageHandle was unloaded.\r
923 @retval EFI_INVALID_PARAMETER The image specified by ImageHandle has been loaded and\r
924 started with LoadImage() and StartImage(), but the\r
925 image is not the currently executing image.\r
926\r
927**/\r
928typedef\r
929EFI_STATUS\r
8b13229b 930(EFIAPI *EFI_EXIT)(\r
959ccb23 931 IN EFI_HANDLE ImageHandle,\r
932 IN EFI_STATUS ExitStatus,\r
933 IN UINTN ExitDataSize,\r
934 IN CHAR16 *ExitData OPTIONAL\r
935 );\r
936\r
937/**\r
938 Unloads an image.\r
939\r
d3d92557 940 @param[in] ImageHandle Handle that identifies the image to be unloaded.\r
959ccb23 941\r
942 @retval EFI_SUCCESS The image has been unloaded.\r
943 @retval EFI_INVALID_PARAMETER ImageHandle is not a valid image handle.\r
959ccb23 944\r
945**/\r
946typedef\r
947EFI_STATUS\r
8b13229b 948(EFIAPI *EFI_IMAGE_UNLOAD)(\r
959ccb23 949 IN EFI_HANDLE ImageHandle\r
950 );\r
951\r
952/**\r
953 Terminates all boot services.\r
954\r
d3d92557
FT
955 @param[in] ImageHandle Handle that identifies the exiting image.\r
956 @param[in] MapKey Key to the latest memory map.\r
959ccb23 957\r
958 @retval EFI_SUCCESS Boot services have been terminated.\r
959 @retval EFI_INVALID_PARAMETER MapKey is incorrect.\r
960\r
961**/\r
962typedef\r
963EFI_STATUS\r
8b13229b 964(EFIAPI *EFI_EXIT_BOOT_SERVICES)(\r
959ccb23 965 IN EFI_HANDLE ImageHandle,\r
966 IN UINTN MapKey\r
967 );\r
968\r
969/**\r
970 Induces a fine-grained stall.\r
971\r
d3d92557 972 @param[in] Microseconds The number of microseconds to stall execution.\r
959ccb23 973\r
974 @retval EFI_SUCCESS Execution was stalled at least the requested number of\r
975 Microseconds.\r
976\r
977**/\r
978typedef\r
979EFI_STATUS\r
8b13229b 980(EFIAPI *EFI_STALL)(\r
959ccb23 981 IN UINTN Microseconds\r
982 );\r
983\r
984/**\r
985 Sets the system's watchdog timer.\r
986\r
d3d92557
FT
987 @param[in] Timeout The number of seconds to set the watchdog timer to.\r
988 @param[in] WatchdogCode The numeric code to log on a watchdog timer timeout event.\r
989 @param[in] DataSize The size, in bytes, of WatchdogData.\r
990 @param[in] WatchdogData A data buffer that includes a Null-terminated string, optionally\r
959ccb23 991 followed by additional binary data.\r
992\r
993 @retval EFI_SUCCESS The timeout has been set.\r
994 @retval EFI_INVALID_PARAMETER The supplied WatchdogCode is invalid.\r
995 @retval EFI_UNSUPPORTED The system does not have a watchdog timer.\r
af2dc6a7 996 @retval EFI_DEVICE_ERROR The watchdog timer could not be programmed due to a hardware\r
959ccb23 997 error.\r
998\r
999**/\r
1000typedef\r
1001EFI_STATUS\r
8b13229b 1002(EFIAPI *EFI_SET_WATCHDOG_TIMER)(\r
959ccb23 1003 IN UINTN Timeout,\r
1004 IN UINT64 WatchdogCode,\r
1005 IN UINTN DataSize,\r
1006 IN CHAR16 *WatchdogData OPTIONAL\r
1007 );\r
1008\r
959ccb23 1009/**\r
1010 Resets the entire platform.\r
1011\r
d3d92557
FT
1012 @param[in] ResetType The type of reset to perform.\r
1013 @param[in] ResetStatus The status code for the reset.\r
e963b746 1014 @param[in] DataSize The size, in bytes, of ResetData.\r
d3d92557 1015 @param[in] ResetData For a ResetType of EfiResetCold, EfiResetWarm, or\r
959ccb23 1016 EfiResetShutdown the data buffer starts with a Null-terminated\r
fbf926ad 1017 string, optionally followed by additional binary data.\r
e963b746
RN
1018 The string is a description that the caller may use to further\r
1019 indicate the reason for the system reset. ResetData is only\r
1020 valid if ResetStatus is something other than EFI_SUCCESS\r
1021 unless the ResetType is EfiResetPlatformSpecific\r
1022 where a minimum amount of ResetData is always required.\r
28426918
DB
1023 For a ResetType of EfiResetPlatformSpecific the data buffer\r
1024 also starts with a Null-terminated string that is followed\r
1025 by an EFI_GUID that describes the specific type of reset to perform.\r
959ccb23 1026**/\r
1027typedef\r
1028VOID\r
8b13229b 1029(EFIAPI *EFI_RESET_SYSTEM)(\r
959ccb23 1030 IN EFI_RESET_TYPE ResetType,\r
1031 IN EFI_STATUS ResetStatus,\r
1032 IN UINTN DataSize,\r
b058028b 1033 IN VOID *ResetData OPTIONAL\r
959ccb23 1034 );\r
1035\r
1036/**\r
1037 Returns a monotonically increasing count for the platform.\r
1038\r
d3d92557 1039 @param[out] Count The pointer to returned value.\r
959ccb23 1040\r
1041 @retval EFI_SUCCESS The next monotonic count was returned.\r
1042 @retval EFI_INVALID_PARAMETER Count is NULL.\r
1043 @retval EFI_DEVICE_ERROR The device is not functioning properly.\r
1044\r
1045**/\r
1046typedef\r
1047EFI_STATUS\r
8b13229b 1048(EFIAPI *EFI_GET_NEXT_MONOTONIC_COUNT)(\r
959ccb23 1049 OUT UINT64 *Count\r
1050 );\r
1051\r
1052/**\r
1053 Returns the next high 32 bits of the platform's monotonic counter.\r
1054\r
d3d92557 1055 @param[out] HighCount The pointer to returned value.\r
959ccb23 1056\r
1057 @retval EFI_SUCCESS The next high monotonic count was returned.\r
1058 @retval EFI_INVALID_PARAMETER HighCount is NULL.\r
1059 @retval EFI_DEVICE_ERROR The device is not functioning properly.\r
1060\r
1061**/\r
1062typedef\r
1063EFI_STATUS\r
8b13229b 1064(EFIAPI *EFI_GET_NEXT_HIGH_MONO_COUNT)(\r
959ccb23 1065 OUT UINT32 *HighCount\r
1066 );\r
1067\r
1068/**\r
1069 Computes and returns a 32-bit CRC for a data buffer.\r
1070\r
d3d92557
FT
1071 @param[in] Data A pointer to the buffer on which the 32-bit CRC is to be computed.\r
1072 @param[in] DataSize The number of bytes in the buffer Data.\r
1073 @param[out] Crc32 The 32-bit CRC that was computed for the data buffer specified by Data\r
959ccb23 1074 and DataSize.\r
1075\r
1076 @retval EFI_SUCCESS The 32-bit CRC was computed for the data buffer and returned in\r
1077 Crc32.\r
e0c047a0 1078 @retval EFI_INVALID_PARAMETER Data is NULL.\r
1079 @retval EFI_INVALID_PARAMETER Crc32 is NULL.\r
1080 @retval EFI_INVALID_PARAMETER DataSize is 0.\r
959ccb23 1081\r
1082**/\r
1083typedef\r
1084EFI_STATUS\r
8b13229b 1085(EFIAPI *EFI_CALCULATE_CRC32)(\r
959ccb23 1086 IN VOID *Data,\r
1087 IN UINTN DataSize,\r
1088 OUT UINT32 *Crc32\r
1089 );\r
1090\r
1091/**\r
1092 Copies the contents of one buffer to another buffer.\r
1093\r
d3d92557
FT
1094 @param[in] Destination The pointer to the destination buffer of the memory copy.\r
1095 @param[in] Source The pointer to the source buffer of the memory copy.\r
1096 @param[in] Length Number of bytes to copy from Source to Destination.\r
959ccb23 1097\r
1098**/\r
1099typedef\r
1100VOID\r
8b13229b 1101(EFIAPI *EFI_COPY_MEM)(\r
959ccb23 1102 IN VOID *Destination,\r
1103 IN VOID *Source,\r
1104 IN UINTN Length\r
1105 );\r
1106\r
1107/**\r
1108 The SetMem() function fills a buffer with a specified value.\r
1109\r
d3d92557
FT
1110 @param[in] Buffer The pointer to the buffer to fill.\r
1111 @param[in] Size Number of bytes in Buffer to fill.\r
1112 @param[in] Value Value to fill Buffer with.\r
959ccb23 1113\r
1114**/\r
1115typedef\r
1116VOID\r
8b13229b 1117(EFIAPI *EFI_SET_MEM)(\r
959ccb23 1118 IN VOID *Buffer,\r
1119 IN UINTN Size,\r
1120 IN UINT8 Value\r
1121 );\r
1122\r
2a3f6a21 1123///\r
1124/// Enumeration of EFI Interface Types\r
1125///\r
959ccb23 1126typedef enum {\r
2a3f6a21 1127 ///\r
1128 /// Indicates that the supplied protocol interface is supplied in native form.\r
1129 ///\r
959ccb23 1130 EFI_NATIVE_INTERFACE\r
1131} EFI_INTERFACE_TYPE;\r
1132\r
1133/**\r
1134 Installs a protocol interface on a device handle. If the handle does not exist, it is created and added\r
1135 to the list of handles in the system. InstallMultipleProtocolInterfaces() performs\r
1136 more error checking than InstallProtocolInterface(), so it is recommended that\r
1137 InstallMultipleProtocolInterfaces() be used in place of\r
1138 InstallProtocolInterface()\r
1139\r
d3d92557
FT
1140 @param[in, out] Handle A pointer to the EFI_HANDLE on which the interface is to be installed.\r
1141 @param[in] Protocol The numeric ID of the protocol interface.\r
1142 @param[in] InterfaceType Indicates whether Interface is supplied in native form.\r
1143 @param[in] Interface A pointer to the protocol interface.\r
959ccb23 1144\r
1145 @retval EFI_SUCCESS The protocol interface was installed.\r
1146 @retval EFI_OUT_OF_RESOURCES Space for a new handle could not be allocated.\r
e0c047a0 1147 @retval EFI_INVALID_PARAMETER Handle is NULL.\r
1148 @retval EFI_INVALID_PARAMETER Protocol is NULL.\r
1149 @retval EFI_INVALID_PARAMETER InterfaceType is not EFI_NATIVE_INTERFACE.\r
1150 @retval EFI_INVALID_PARAMETER Protocol is already installed on the handle specified by Handle.\r
959ccb23 1151\r
1152**/\r
1153typedef\r
1154EFI_STATUS\r
8b13229b 1155(EFIAPI *EFI_INSTALL_PROTOCOL_INTERFACE)(\r
959ccb23 1156 IN OUT EFI_HANDLE *Handle,\r
1157 IN EFI_GUID *Protocol,\r
1158 IN EFI_INTERFACE_TYPE InterfaceType,\r
1159 IN VOID *Interface\r
1160 );\r
1161\r
1162/**\r
1163 Installs one or more protocol interfaces into the boot services environment.\r
1164\r
d3d92557 1165 @param[in, out] Handle The pointer to a handle to install the new protocol interfaces on,\r
4a23eaa9 1166 or a pointer to NULL if a new handle is to be allocated.\r
959ccb23 1167 @param ... A variable argument list containing pairs of protocol GUIDs and protocol\r
1168 interfaces.\r
1169\r
1170 @retval EFI_SUCCESS All the protocol interface was installed.\r
1171 @retval EFI_OUT_OF_RESOURCES There was not enough memory in pool to install all the protocols.\r
1172 @retval EFI_ALREADY_STARTED A Device Path Protocol instance was passed in that is already present in\r
1173 the handle database.\r
5a7b9bbe
SQ
1174 @retval EFI_INVALID_PARAMETER Handle is NULL.\r
1175 @retval EFI_INVALID_PARAMETER Protocol is already installed on the handle specified by Handle.\r
959ccb23 1176\r
1177**/\r
1178typedef\r
1179EFI_STATUS\r
8b13229b 1180(EFIAPI *EFI_INSTALL_MULTIPLE_PROTOCOL_INTERFACES)(\r
959ccb23 1181 IN OUT EFI_HANDLE *Handle,\r
1182 ...\r
1183 );\r
1184\r
1185/**\r
1186 Reinstalls a protocol interface on a device handle.\r
1187\r
d3d92557
FT
1188 @param[in] Handle Handle on which the interface is to be reinstalled.\r
1189 @param[in] Protocol The numeric ID of the interface.\r
1190 @param[in] OldInterface A pointer to the old interface. NULL can be used if a structure is not\r
959ccb23 1191 associated with Protocol.\r
d3d92557 1192 @param[in] NewInterface A pointer to the new interface.\r
959ccb23 1193\r
1194 @retval EFI_SUCCESS The protocol interface was reinstalled.\r
1195 @retval EFI_NOT_FOUND The OldInterface on the handle was not found.\r
1196 @retval EFI_ACCESS_DENIED The protocol interface could not be reinstalled,\r
1197 because OldInterface is still being used by a\r
1198 driver that will not release it.\r
18bd7e85 1199 @retval EFI_INVALID_PARAMETER Handle is NULL.\r
e0c047a0 1200 @retval EFI_INVALID_PARAMETER Protocol is NULL.\r
959ccb23 1201\r
1202**/\r
1203typedef\r
1204EFI_STATUS\r
8b13229b 1205(EFIAPI *EFI_REINSTALL_PROTOCOL_INTERFACE)(\r
959ccb23 1206 IN EFI_HANDLE Handle,\r
1207 IN EFI_GUID *Protocol,\r
1208 IN VOID *OldInterface,\r
1209 IN VOID *NewInterface\r
1210 );\r
1211\r
1212/**\r
1213 Removes a protocol interface from a device handle. It is recommended that\r
1214 UninstallMultipleProtocolInterfaces() be used in place of\r
1215 UninstallProtocolInterface().\r
1216\r
d3d92557
FT
1217 @param[in] Handle The handle on which the interface was installed.\r
1218 @param[in] Protocol The numeric ID of the interface.\r
1219 @param[in] Interface A pointer to the interface.\r
959ccb23 1220\r
1221 @retval EFI_SUCCESS The interface was removed.\r
1222 @retval EFI_NOT_FOUND The interface was not found.\r
1223 @retval EFI_ACCESS_DENIED The interface was not removed because the interface\r
1224 is still being used by a driver.\r
18bd7e85 1225 @retval EFI_INVALID_PARAMETER Handle is NULL.\r
e0c047a0 1226 @retval EFI_INVALID_PARAMETER Protocol is NULL.\r
959ccb23 1227\r
1228**/\r
1229typedef\r
1230EFI_STATUS\r
8b13229b 1231(EFIAPI *EFI_UNINSTALL_PROTOCOL_INTERFACE)(\r
959ccb23 1232 IN EFI_HANDLE Handle,\r
1233 IN EFI_GUID *Protocol,\r
1234 IN VOID *Interface\r
1235 );\r
1236\r
1237/**\r
1238 Removes one or more protocol interfaces into the boot services environment.\r
1239\r
d3d92557 1240 @param[in] Handle The handle to remove the protocol interfaces from.\r
959ccb23 1241 @param ... A variable argument list containing pairs of protocol GUIDs and\r
1242 protocol interfaces.\r
1243\r
1244 @retval EFI_SUCCESS All the protocol interfaces were removed.\r
1245 @retval EFI_INVALID_PARAMETER One of the protocol interfaces was not previously installed on Handle.\r
1246\r
1247**/\r
1248typedef\r
1249EFI_STATUS\r
8b13229b 1250(EFIAPI *EFI_UNINSTALL_MULTIPLE_PROTOCOL_INTERFACES)(\r
959ccb23 1251 IN EFI_HANDLE Handle,\r
1252 ...\r
1253 );\r
1254\r
1255/**\r
1256 Queries a handle to determine if it supports a specified protocol.\r
1257\r
d3d92557
FT
1258 @param[in] Handle The handle being queried.\r
1259 @param[in] Protocol The published unique identifier of the protocol.\r
1260 @param[out] Interface Supplies the address where a pointer to the corresponding Protocol\r
959ccb23 1261 Interface is returned.\r
e0c047a0 1262\r
959ccb23 1263 @retval EFI_SUCCESS The interface information for the specified protocol was returned.\r
1264 @retval EFI_UNSUPPORTED The device does not support the specified protocol.\r
18bd7e85 1265 @retval EFI_INVALID_PARAMETER Handle is NULL.\r
e0c047a0 1266 @retval EFI_INVALID_PARAMETER Protocol is NULL.\r
1267 @retval EFI_INVALID_PARAMETER Interface is NULL.\r
959ccb23 1268\r
1269**/\r
1270typedef\r
1271EFI_STATUS\r
8b13229b 1272(EFIAPI *EFI_HANDLE_PROTOCOL)(\r
959ccb23 1273 IN EFI_HANDLE Handle,\r
1274 IN EFI_GUID *Protocol,\r
1275 OUT VOID **Interface\r
1276 );\r
1277\r
1278#define EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL 0x00000001\r
1279#define EFI_OPEN_PROTOCOL_GET_PROTOCOL 0x00000002\r
1280#define EFI_OPEN_PROTOCOL_TEST_PROTOCOL 0x00000004\r
1281#define EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER 0x00000008\r
1282#define EFI_OPEN_PROTOCOL_BY_DRIVER 0x00000010\r
1283#define EFI_OPEN_PROTOCOL_EXCLUSIVE 0x00000020\r
1284\r
1285/**\r
1286 Queries a handle to determine if it supports a specified protocol. If the protocol is supported by the\r
1287 handle, it opens the protocol on behalf of the calling agent.\r
1288\r
d3d92557
FT
1289 @param[in] Handle The handle for the protocol interface that is being opened.\r
1290 @param[in] Protocol The published unique identifier of the protocol.\r
1291 @param[out] Interface Supplies the address where a pointer to the corresponding Protocol\r
959ccb23 1292 Interface is returned.\r
d3d92557 1293 @param[in] AgentHandle The handle of the agent that is opening the protocol interface\r
959ccb23 1294 specified by Protocol and Interface.\r
d3d92557 1295 @param[in] ControllerHandle If the agent that is opening a protocol is a driver that follows the\r
959ccb23 1296 UEFI Driver Model, then this parameter is the controller handle\r
1297 that requires the protocol interface. If the agent does not follow\r
1298 the UEFI Driver Model, then this parameter is optional and may\r
1299 be NULL.\r
d3d92557 1300 @param[in] Attributes The open mode of the protocol interface specified by Handle\r
959ccb23 1301 and Protocol.\r
1302\r
1303 @retval EFI_SUCCESS An item was added to the open list for the protocol interface, and the\r
1304 protocol interface was returned in Interface.\r
1305 @retval EFI_UNSUPPORTED Handle does not support Protocol.\r
1306 @retval EFI_INVALID_PARAMETER One or more parameters are invalid.\r
1307 @retval EFI_ACCESS_DENIED Required attributes can't be supported in current environment.\r
1308 @retval EFI_ALREADY_STARTED Item on the open list already has requierd attributes whose agent\r
1309 handle is the same as AgentHandle.\r
1310\r
1311**/\r
1312typedef\r
1313EFI_STATUS\r
8b13229b 1314(EFIAPI *EFI_OPEN_PROTOCOL)(\r
959ccb23 1315 IN EFI_HANDLE Handle,\r
1316 IN EFI_GUID *Protocol,\r
e0c047a0 1317 OUT VOID **Interface, OPTIONAL\r
959ccb23 1318 IN EFI_HANDLE AgentHandle,\r
e0c047a0 1319 IN EFI_HANDLE ControllerHandle,\r
959ccb23 1320 IN UINT32 Attributes\r
1321 );\r
1322\r
1323\r
1324/**\r
1325 Closes a protocol on a handle that was opened using OpenProtocol().\r
1326\r
d3d92557 1327 @param[in] Handle The handle for the protocol interface that was previously opened\r
959ccb23 1328 with OpenProtocol(), and is now being closed.\r
d3d92557
FT
1329 @param[in] Protocol The published unique identifier of the protocol.\r
1330 @param[in] AgentHandle The handle of the agent that is closing the protocol interface.\r
1331 @param[in] ControllerHandle If the agent that opened a protocol is a driver that follows the\r
959ccb23 1332 UEFI Driver Model, then this parameter is the controller handle\r
1333 that required the protocol interface.\r
1334\r
1335 @retval EFI_SUCCESS The protocol instance was closed.\r
d9de7921
RN
1336 @retval EFI_INVALID_PARAMETER 1) Handle is NULL.\r
1337 2) AgentHandle is NULL.\r
e0c047a0 1338 3) ControllerHandle is not NULL and ControllerHandle is not a valid EFI_HANDLE.\r
1339 4) Protocol is NULL.\r
959ccb23 1340 @retval EFI_NOT_FOUND 1) Handle does not support the protocol specified by Protocol.\r
1341 2) The protocol interface specified by Handle and Protocol is not\r
1342 currently open by AgentHandle and ControllerHandle.\r
1343\r
1344**/\r
1345typedef\r
1346EFI_STATUS\r
8b13229b 1347(EFIAPI *EFI_CLOSE_PROTOCOL)(\r
959ccb23 1348 IN EFI_HANDLE Handle,\r
1349 IN EFI_GUID *Protocol,\r
1350 IN EFI_HANDLE AgentHandle,\r
1351 IN EFI_HANDLE ControllerHandle\r
1352 );\r
1353\r
2a3f6a21 1354///\r
1355/// EFI Oprn Protocol Information Entry\r
1356///\r
959ccb23 1357typedef struct {\r
1358 EFI_HANDLE AgentHandle;\r
1359 EFI_HANDLE ControllerHandle;\r
1360 UINT32 Attributes;\r
1361 UINT32 OpenCount;\r
1362} EFI_OPEN_PROTOCOL_INFORMATION_ENTRY;\r
1363\r
1364/**\r
1365 Retrieves the list of agents that currently have a protocol interface opened.\r
1366\r
d3d92557
FT
1367 @param[in] Handle The handle for the protocol interface that is being queried.\r
1368 @param[in] Protocol The published unique identifier of the protocol.\r
1369 @param[out] EntryBuffer A pointer to a buffer of open protocol information in the form of\r
959ccb23 1370 EFI_OPEN_PROTOCOL_INFORMATION_ENTRY structures.\r
d3d92557 1371 @param[out] EntryCount A pointer to the number of entries in EntryBuffer.\r
959ccb23 1372\r
1373 @retval EFI_SUCCESS The open protocol information was returned in EntryBuffer, and the\r
1374 number of entries was returned EntryCount.\r
1375 @retval EFI_OUT_OF_RESOURCES There are not enough resources available to allocate EntryBuffer.\r
1376 @retval EFI_NOT_FOUND Handle does not support the protocol specified by Protocol.\r
1377\r
1378**/\r
1379typedef\r
1380EFI_STATUS\r
8b13229b 1381(EFIAPI *EFI_OPEN_PROTOCOL_INFORMATION)(\r
959ccb23 1382 IN EFI_HANDLE Handle,\r
1383 IN EFI_GUID *Protocol,\r
e0c047a0 1384 OUT EFI_OPEN_PROTOCOL_INFORMATION_ENTRY **EntryBuffer,\r
959ccb23 1385 OUT UINTN *EntryCount\r
1386 );\r
1387\r
1388/**\r
1389 Retrieves the list of protocol interface GUIDs that are installed on a handle in a buffer allocated\r
1390 from pool.\r
1391\r
d3d92557
FT
1392 @param[in] Handle The handle from which to retrieve the list of protocol interface\r
1393 GUIDs.\r
1394 @param[out] ProtocolBuffer A pointer to the list of protocol interface GUID pointers that are\r
1395 installed on Handle.\r
1396 @param[out] ProtocolBufferCount A pointer to the number of GUID pointers present in\r
1397 ProtocolBuffer.\r
959ccb23 1398\r
1399 @retval EFI_SUCCESS The list of protocol interface GUIDs installed on Handle was returned in\r
1400 ProtocolBuffer. The number of protocol interface GUIDs was\r
1401 returned in ProtocolBufferCount.\r
1402 @retval EFI_OUT_OF_RESOURCES There is not enough pool memory to store the results.\r
e0c047a0 1403 @retval EFI_INVALID_PARAMETER Handle is NULL.\r
1404 @retval EFI_INVALID_PARAMETER Handle is not a valid EFI_HANDLE.\r
1405 @retval EFI_INVALID_PARAMETER ProtocolBuffer is NULL.\r
1406 @retval EFI_INVALID_PARAMETER ProtocolBufferCount is NULL.\r
959ccb23 1407\r
1408**/\r
1409typedef\r
1410EFI_STATUS\r
8b13229b 1411(EFIAPI *EFI_PROTOCOLS_PER_HANDLE)(\r
959ccb23 1412 IN EFI_HANDLE Handle,\r
1413 OUT EFI_GUID ***ProtocolBuffer,\r
1414 OUT UINTN *ProtocolBufferCount\r
1415 );\r
1416\r
1417/**\r
1418 Creates an event that is to be signaled whenever an interface is installed for a specified protocol.\r
1419\r
d3d92557
FT
1420 @param[in] Protocol The numeric ID of the protocol for which the event is to be registered.\r
1421 @param[in] Event Event that is to be signaled whenever a protocol interface is registered\r
959ccb23 1422 for Protocol.\r
d3d92557 1423 @param[out] Registration A pointer to a memory location to receive the registration value.\r
959ccb23 1424\r
1425 @retval EFI_SUCCESS The notification event has been registered.\r
1426 @retval EFI_OUT_OF_RESOURCES Space for the notification event could not be allocated.\r
e0c047a0 1427 @retval EFI_INVALID_PARAMETER Protocol is NULL.\r
1428 @retval EFI_INVALID_PARAMETER Event is NULL.\r
1429 @retval EFI_INVALID_PARAMETER Registration is NULL.\r
959ccb23 1430\r
1431**/\r
1432typedef\r
1433EFI_STATUS\r
8b13229b 1434(EFIAPI *EFI_REGISTER_PROTOCOL_NOTIFY)(\r
959ccb23 1435 IN EFI_GUID *Protocol,\r
1436 IN EFI_EVENT Event,\r
1437 OUT VOID **Registration\r
1438 );\r
1439\r
2a3f6a21 1440///\r
1441/// Enumeration of EFI Locate Search Types\r
1442///\r
959ccb23 1443typedef enum {\r
2a3f6a21 1444 ///\r
1445 /// Retrieve all the handles in the handle database.\r
1446 ///\r
959ccb23 1447 AllHandles,\r
2a3f6a21 1448 ///\r
1449 /// Retrieve the next handle fron a RegisterProtocolNotify() event.\r
1450 ///\r
959ccb23 1451 ByRegisterNotify,\r
2a3f6a21 1452 ///\r
1453 /// Retrieve the set of handles from the handle database that support a \r
1454 /// specified protocol.\r
1455 ///\r
959ccb23 1456 ByProtocol\r
1457} EFI_LOCATE_SEARCH_TYPE;\r
1458\r
1459/**\r
1460 Returns an array of handles that support a specified protocol.\r
1461\r
d3d92557
FT
1462 @param[in] SearchType Specifies which handle(s) are to be returned.\r
1463 @param[in] Protocol Specifies the protocol to search by.\r
1464 @param[in] SearchKey Specifies the search key.\r
1465 @param[in, out] BufferSize On input, the size in bytes of Buffer. On output, the size in bytes of\r
959ccb23 1466 the array returned in Buffer (if the buffer was large enough) or the\r
1467 size, in bytes, of the buffer needed to obtain the array (if the buffer was\r
1468 not large enough).\r
d3d92557 1469 @param[out] Buffer The buffer in which the array is returned.\r
959ccb23 1470\r
1471 @retval EFI_SUCCESS The array of handles was returned.\r
1472 @retval EFI_NOT_FOUND No handles match the search.\r
1473 @retval EFI_BUFFER_TOO_SMALL The BufferSize is too small for the result.\r
e0c047a0 1474 @retval EFI_INVALID_PARAMETER SearchType is not a member of EFI_LOCATE_SEARCH_TYPE.\r
1475 @retval EFI_INVALID_PARAMETER SearchType is ByRegisterNotify and SearchKey is NULL.\r
1476 @retval EFI_INVALID_PARAMETER SearchType is ByProtocol and Protocol is NULL.\r
1477 @retval EFI_INVALID_PARAMETER One or more matches are found and BufferSize is NULL.\r
1478 @retval EFI_INVALID_PARAMETER BufferSize is large enough for the result and Buffer is NULL.\r
959ccb23 1479\r
1480**/\r
1481typedef\r
1482EFI_STATUS\r
8b13229b 1483(EFIAPI *EFI_LOCATE_HANDLE)(\r
959ccb23 1484 IN EFI_LOCATE_SEARCH_TYPE SearchType,\r
1485 IN EFI_GUID *Protocol, OPTIONAL\r
1486 IN VOID *SearchKey, OPTIONAL\r
1487 IN OUT UINTN *BufferSize,\r
1488 OUT EFI_HANDLE *Buffer\r
1489 );\r
1490\r
1491/**\r
1492 Locates the handle to a device on the device path that supports the specified protocol.\r
1493\r
d3d92557
FT
1494 @param[in] Protocol Specifies the protocol to search for.\r
1495 @param[in, out] DevicePath On input, a pointer to a pointer to the device path. On output, the device\r
959ccb23 1496 path pointer is modified to point to the remaining part of the device\r
1497 path.\r
d3d92557 1498 @param[out] Device A pointer to the returned device handle.\r
959ccb23 1499\r
1500 @retval EFI_SUCCESS The resulting handle was returned.\r
1501 @retval EFI_NOT_FOUND No handles match the search.\r
e0c047a0 1502 @retval EFI_INVALID_PARAMETER Protocol is NULL.\r
1503 @retval EFI_INVALID_PARAMETER DevicePath is NULL.\r
1504 @retval EFI_INVALID_PARAMETER A handle matched the search and Device is NULL.\r
959ccb23 1505\r
1506**/\r
1507typedef\r
1508EFI_STATUS\r
8b13229b 1509(EFIAPI *EFI_LOCATE_DEVICE_PATH)(\r
959ccb23 1510 IN EFI_GUID *Protocol,\r
1511 IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath,\r
1512 OUT EFI_HANDLE *Device\r
1513 );\r
1514\r
1515/**\r
1516 Adds, updates, or removes a configuration table entry from the EFI System Table.\r
1517\r
d3d92557
FT
1518 @param[in] Guid A pointer to the GUID for the entry to add, update, or remove.\r
1519 @param[in] Table A pointer to the configuration table for the entry to add, update, or\r
959ccb23 1520 remove. May be NULL.\r
1521\r
1522 @retval EFI_SUCCESS The (Guid, Table) pair was added, updated, or removed.\r
1523 @retval EFI_NOT_FOUND An attempt was made to delete a nonexistent entry.\r
bfe0572b 1524 @retval EFI_INVALID_PARAMETER Guid is NULL.\r
959ccb23 1525 @retval EFI_OUT_OF_RESOURCES There is not enough memory available to complete the operation.\r
1526\r
1527**/\r
1528typedef\r
1529EFI_STATUS\r
8b13229b 1530(EFIAPI *EFI_INSTALL_CONFIGURATION_TABLE)(\r
959ccb23 1531 IN EFI_GUID *Guid,\r
1532 IN VOID *Table\r
1533 );\r
1534\r
959ccb23 1535/**\r
1536 Returns an array of handles that support the requested protocol in a buffer allocated from pool.\r
1537\r
d3d92557
FT
1538 @param[in] SearchType Specifies which handle(s) are to be returned.\r
1539 @param[in] Protocol Provides the protocol to search by.\r
e0c047a0 1540 This parameter is only valid for a SearchType of ByProtocol.\r
d3d92557
FT
1541 @param[in] SearchKey Supplies the search key depending on the SearchType.\r
1542 @param[in, out] NoHandles The number of handles returned in Buffer.\r
1543 @param[out] Buffer A pointer to the buffer to return the requested array of handles that\r
959ccb23 1544 support Protocol.\r
1545\r
1546 @retval EFI_SUCCESS The array of handles was returned in Buffer, and the number of\r
1547 handles in Buffer was returned in NoHandles.\r
1548 @retval EFI_NOT_FOUND No handles match the search.\r
1549 @retval EFI_OUT_OF_RESOURCES There is not enough pool memory to store the matching results.\r
e0c047a0 1550 @retval EFI_INVALID_PARAMETER NoHandles is NULL.\r
1551 @retval EFI_INVALID_PARAMETER Buffer is NULL.\r
959ccb23 1552\r
1553**/\r
1554typedef\r
1555EFI_STATUS\r
8b13229b 1556(EFIAPI *EFI_LOCATE_HANDLE_BUFFER)(\r
959ccb23 1557 IN EFI_LOCATE_SEARCH_TYPE SearchType,\r
1558 IN EFI_GUID *Protocol, OPTIONAL\r
1559 IN VOID *SearchKey, OPTIONAL\r
1560 IN OUT UINTN *NoHandles,\r
1561 OUT EFI_HANDLE **Buffer\r
1562 );\r
1563\r
1564/**\r
1565 Returns the first protocol instance that matches the given protocol.\r
1566\r
d3d92557
FT
1567 @param[in] Protocol Provides the protocol to search for.\r
1568 @param[in] Registration Optional registration key returned from\r
959ccb23 1569 RegisterProtocolNotify().\r
d3d92557 1570 @param[out] Interface On return, a pointer to the first interface that matches Protocol and\r
959ccb23 1571 Registration.\r
1572\r
1573 @retval EFI_SUCCESS A protocol instance matching Protocol was found and returned in\r
1574 Interface.\r
1575 @retval EFI_NOT_FOUND No protocol instances were found that match Protocol and\r
1576 Registration.\r
1577 @retval EFI_INVALID_PARAMETER Interface is NULL.\r
d65f7eeb 1578 Protocol is NULL.\r
959ccb23 1579\r
1580**/\r
1581typedef\r
1582EFI_STATUS\r
8b13229b 1583(EFIAPI *EFI_LOCATE_PROTOCOL)(\r
959ccb23 1584 IN EFI_GUID *Protocol,\r
1585 IN VOID *Registration, OPTIONAL\r
1586 OUT VOID **Interface\r
1587 );\r
1588\r
2a3f6a21 1589///\r
1590/// EFI Capsule Block Descriptor\r
1591///\r
959ccb23 1592typedef struct {\r
1bf79370
LG
1593 ///\r
1594 /// Length in bytes of the data pointed to by DataBlock/ContinuationPointer.\r
1595 ///\r
2a3f6a21 1596 UINT64 Length;\r
959ccb23 1597 union {\r
1bf79370
LG
1598 ///\r
1599 /// Physical address of the data block. This member of the union is\r
1600 /// used if Length is not equal to zero.\r
1601 ///\r
959ccb23 1602 EFI_PHYSICAL_ADDRESS DataBlock;\r
1bf79370
LG
1603 ///\r
1604 /// Physical address of another block of\r
1605 /// EFI_CAPSULE_BLOCK_DESCRIPTOR structures. This\r
1606 /// member of the union is used if Length is equal to zero. If\r
1607 /// ContinuationPointer is zero this entry represents the end of the list.\r
1608 ///\r
959ccb23 1609 EFI_PHYSICAL_ADDRESS ContinuationPointer;\r
1610 } Union;\r
45ad5569 1611} EFI_CAPSULE_BLOCK_DESCRIPTOR;\r
959ccb23 1612\r
2a3f6a21 1613///\r
af2dc6a7 1614/// EFI Capsule Header.\r
2a3f6a21 1615///\r
959ccb23 1616typedef struct {\r
1bf79370
LG
1617 ///\r
1618 /// A GUID that defines the contents of a capsule.\r
1619 ///\r
959ccb23 1620 EFI_GUID CapsuleGuid;\r
1bf79370
LG
1621 ///\r
1622 /// The size of the capsule header. This may be larger than the size of\r
1623 /// the EFI_CAPSULE_HEADER since CapsuleGuid may imply\r
1624 /// extended header entries\r
1625 ///\r
959ccb23 1626 UINT32 HeaderSize;\r
1bf79370
LG
1627 ///\r
1628 /// Bit-mapped list describing the capsule attributes. The Flag values\r
f6d2bcc6 1629 /// of 0x0000 - 0xFFFF are defined by CapsuleGuid. Flag values\r
a0d58c21 1630 /// of 0x10000 - 0xFFFFFFFF are defined by this specification\r
1bf79370 1631 ///\r
959ccb23 1632 UINT32 Flags;\r
1bf79370
LG
1633 ///\r
1634 /// Size in bytes of the capsule.\r
1635 ///\r
959ccb23 1636 UINT32 CapsuleImageSize;\r
45ad5569 1637} EFI_CAPSULE_HEADER;\r
959ccb23 1638\r
1bf79370
LG
1639///\r
1640/// The EFI System Table entry must point to an array of capsules\r
1641/// that contain the same CapsuleGuid value. The array must be\r
1642/// prefixed by a UINT32 that represents the size of the array of capsules.\r
1643///\r
176a6bb3 1644typedef struct {\r
1bf79370
LG
1645 ///\r
1646 /// the size of the array of capsules.\r
1647 ///\r
176a6bb3 1648 UINT32 CapsuleArrayNumber;\r
1bf79370
LG
1649 ///\r
1650 /// Point to an array of capsules that contain the same CapsuleGuid value.\r
1651 ///\r
176a6bb3
LG
1652 VOID* CapsulePtr[1];\r
1653} EFI_CAPSULE_TABLE;\r
1654\r
959ccb23 1655#define CAPSULE_FLAGS_PERSIST_ACROSS_RESET 0x00010000\r
1656#define CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE 0x00020000\r
eaa8a234 1657#define CAPSULE_FLAGS_INITIATE_RESET 0x00040000\r
959ccb23 1658\r
1659/**\r
1660 Passes capsules to the firmware with both virtual and physical mapping. Depending on the intended\r
1661 consumption, the firmware may process the capsule immediately. If the payload should persist\r
1662 across a system reset, the reset value returned from EFI_QueryCapsuleCapabilities must\r
1663 be passed into ResetSystem() and will cause the capsule to be processed by the firmware as\r
1664 part of the reset process.\r
1665\r
d3d92557
FT
1666 @param[in] CapsuleHeaderArray Virtual pointer to an array of virtual pointers to the capsules\r
1667 being passed into update capsule.\r
1668 @param[in] CapsuleCount Number of pointers to EFI_CAPSULE_HEADER in\r
1669 CaspuleHeaderArray.\r
1670 @param[in] ScatterGatherList Physical pointer to a set of\r
1671 EFI_CAPSULE_BLOCK_DESCRIPTOR that describes the\r
1672 location in physical memory of a set of capsules.\r
959ccb23 1673\r
1674 @retval EFI_SUCCESS Valid capsule was passed. If\r
1675 CAPSULE_FLAGS_PERSIT_ACROSS_RESET is not set, the\r
1676 capsule has been successfully processed by the firmware.\r
eaa8a234 1677 @retval EFI_INVALID_PARAMETER CapsuleSize is NULL, or an incompatible set of flags were\r
1678 set in the capsule header.\r
a0d58c21 1679 @retval EFI_INVALID_PARAMETER CapsuleCount is 0.\r
959ccb23 1680 @retval EFI_DEVICE_ERROR The capsule update was started, but failed due to a device error.\r
e0c047a0 1681 @retval EFI_UNSUPPORTED The capsule type is not supported on this platform.\r
efdabc6c
LG
1682 @retval EFI_OUT_OF_RESOURCES When ExitBootServices() has been previously called this error indicates the capsule \r
1683 is compatible with this platform but is not capable of being submitted or processed \r
1684 in runtime. The caller may resubmit the capsule prior to ExitBootServices().\r
1685 @retval EFI_OUT_OF_RESOURCES When ExitBootServices() has not been previously called then this error indicates \r
1686 the capsule is compatible with this platform but there are insufficient resources to process.\r
959ccb23 1687\r
1688**/\r
1689typedef\r
1690EFI_STATUS\r
8b13229b 1691(EFIAPI *EFI_UPDATE_CAPSULE)(\r
531febc2 1692 IN EFI_CAPSULE_HEADER **CapsuleHeaderArray,\r
959ccb23 1693 IN UINTN CapsuleCount,\r
1694 IN EFI_PHYSICAL_ADDRESS ScatterGatherList OPTIONAL\r
1695 );\r
1696\r
1697/**\r
1698 Returns if the capsule can be supported via UpdateCapsule().\r
1699\r
d3d92557
FT
1700 @param[in] CapsuleHeaderArray Virtual pointer to an array of virtual pointers to the capsules\r
1701 being passed into update capsule.\r
1702 @param[in] CapsuleCount Number of pointers to EFI_CAPSULE_HEADER in\r
1703 CaspuleHeaderArray.\r
1704 @param[out] MaxiumCapsuleSize On output the maximum size that UpdateCapsule() can\r
1705 support as an argument to UpdateCapsule() via\r
1706 CapsuleHeaderArray and ScatterGatherList.\r
1707 @param[out] ResetType Returns the type of reset required for the capsule update.\r
959ccb23 1708\r
1709 @retval EFI_SUCCESS Valid answer returned.\r
1710 @retval EFI_UNSUPPORTED The capsule type is not supported on this platform, and\r
1711 MaximumCapsuleSize and ResetType are undefined.\r
1712 @retval EFI_INVALID_PARAMETER MaximumCapsuleSize is NULL.\r
efdabc6c
LG
1713 @retval EFI_OUT_OF_RESOURCES When ExitBootServices() has been previously called this error indicates the capsule \r
1714 is compatible with this platform but is not capable of being submitted or processed \r
1715 in runtime. The caller may resubmit the capsule prior to ExitBootServices().\r
1716 @retval EFI_OUT_OF_RESOURCES When ExitBootServices() has not been previously called then this error indicates \r
1717 the capsule is compatible with this platform but there are insufficient resources to process.\r
959ccb23 1718\r
1719**/\r
1720typedef\r
1721EFI_STATUS\r
8b13229b 1722(EFIAPI *EFI_QUERY_CAPSULE_CAPABILITIES)(\r
531febc2 1723 IN EFI_CAPSULE_HEADER **CapsuleHeaderArray,\r
959ccb23 1724 IN UINTN CapsuleCount,\r
1725 OUT UINT64 *MaximumCapsuleSize,\r
1726 OUT EFI_RESET_TYPE *ResetType\r
1727 );\r
1728\r
1729/**\r
1730 Returns information about the EFI variables.\r
1731\r
d3d92557
FT
1732 @param[in] Attributes Attributes bitmask to specify the type of variables on\r
1733 which to return information.\r
1734 @param[out] MaximumVariableStorageSize On output the maximum size of the storage space\r
1735 available for the EFI variables associated with the\r
1736 attributes specified.\r
1737 @param[out] RemainingVariableStorageSize Returns the remaining size of the storage space\r
1738 available for the EFI variables associated with the\r
1739 attributes specified.\r
1740 @param[out] MaximumVariableSize Returns the maximum size of the individual EFI\r
1741 variables associated with the attributes specified.\r
959ccb23 1742\r
1743 @retval EFI_SUCCESS Valid answer returned.\r
1744 @retval EFI_INVALID_PARAMETER An invalid combination of attribute bits was supplied\r
1745 @retval EFI_UNSUPPORTED The attribute is not supported on this platform, and the\r
1746 MaximumVariableStorageSize,\r
1747 RemainingVariableStorageSize, MaximumVariableSize\r
1748 are undefined.\r
1749\r
1750**/\r
1751typedef\r
1752EFI_STATUS\r
8b13229b 1753(EFIAPI *EFI_QUERY_VARIABLE_INFO)(\r
959ccb23 1754 IN UINT32 Attributes,\r
1755 OUT UINT64 *MaximumVariableStorageSize,\r
1756 OUT UINT64 *RemainingVariableStorageSize,\r
1757 OUT UINT64 *MaximumVariableSize\r
1758 );\r
1759\r
b5eb03cf 1760//\r
1761// Firmware should stop at a firmware user interface on next boot\r
1762//\r
566771b0 1763#define EFI_OS_INDICATIONS_BOOT_TO_FW_UI 0x0000000000000001\r
1764#define EFI_OS_INDICATIONS_TIMESTAMP_REVOCATION 0x0000000000000002\r
1765#define EFI_OS_INDICATIONS_FILE_CAPSULE_DELIVERY_SUPPORTED 0x0000000000000004\r
1766#define EFI_OS_INDICATIONS_FMP_CAPSULE_SUPPORTED 0x0000000000000008\r
1767#define EFI_OS_INDICATIONS_CAPSULE_RESULT_VAR_SUPPORTED 0x0000000000000010\r
83952535 1768#define EFI_OS_INDICATIONS_START_PLATFORM_RECOVERY 0x0000000000000040\r
959ccb23 1769\r
1770//\r
1771// EFI Runtime Services Table\r
1772//\r
07636730 1773#define EFI_SYSTEM_TABLE_SIGNATURE SIGNATURE_64 ('I','B','I',' ','S','Y','S','T')\r
ed5e386a 1774#define EFI_2_60_SYSTEM_TABLE_REVISION ((2 << 16) | (60))\r
b2e1b498 1775#define EFI_2_50_SYSTEM_TABLE_REVISION ((2 << 16) | (50))\r
b4319afb 1776#define EFI_2_40_SYSTEM_TABLE_REVISION ((2 << 16) | (40))\r
aee17e89 1777#define EFI_2_31_SYSTEM_TABLE_REVISION ((2 << 16) | (31))\r
add9c350 1778#define EFI_2_30_SYSTEM_TABLE_REVISION ((2 << 16) | (30))\r
1779#define EFI_2_20_SYSTEM_TABLE_REVISION ((2 << 16) | (20))\r
2a3f6a21 1780#define EFI_2_10_SYSTEM_TABLE_REVISION ((2 << 16) | (10))\r
1781#define EFI_2_00_SYSTEM_TABLE_REVISION ((2 << 16) | (00))\r
1782#define EFI_1_10_SYSTEM_TABLE_REVISION ((1 << 16) | (10))\r
1783#define EFI_1_02_SYSTEM_TABLE_REVISION ((1 << 16) | (02))\r
ed5e386a 1784#define EFI_SYSTEM_TABLE_REVISION EFI_2_60_SYSTEM_TABLE_REVISION\r
78322c85 1785#define EFI_SPECIFICATION_VERSION EFI_SYSTEM_TABLE_REVISION\r
2a3f6a21 1786\r
07636730 1787#define EFI_RUNTIME_SERVICES_SIGNATURE SIGNATURE_64 ('R','U','N','T','S','E','R','V')\r
78322c85 1788#define EFI_RUNTIME_SERVICES_REVISION EFI_SPECIFICATION_VERSION\r
959ccb23 1789\r
e0c047a0 1790///\r
af2dc6a7 1791/// EFI Runtime Services Table.\r
e0c047a0 1792///\r
959ccb23 1793typedef struct {\r
e0c047a0 1794 ///\r
1795 /// The table header for the EFI Runtime Services Table.\r
1796 ///\r
c9a0a0fc 1797 EFI_TABLE_HEADER Hdr;\r
00edb218
A
1798\r
1799 //\r
1800 // Time Services\r
1801 //\r
1802 EFI_GET_TIME GetTime;\r
1803 EFI_SET_TIME SetTime;\r
1804 EFI_GET_WAKEUP_TIME GetWakeupTime;\r
1805 EFI_SET_WAKEUP_TIME SetWakeupTime;\r
1806\r
1807 //\r
1808 // Virtual Memory Services\r
1809 //\r
1810 EFI_SET_VIRTUAL_ADDRESS_MAP SetVirtualAddressMap;\r
1811 EFI_CONVERT_POINTER ConvertPointer;\r
1812\r
1813 //\r
1814 // Variable Services\r
1815 //\r
1816 EFI_GET_VARIABLE GetVariable;\r
1817 EFI_GET_NEXT_VARIABLE_NAME GetNextVariableName;\r
1818 EFI_SET_VARIABLE SetVariable;\r
1819\r
1820 //\r
1821 // Miscellaneous Services\r
1822 //\r
1823 EFI_GET_NEXT_HIGH_MONO_COUNT GetNextHighMonotonicCount;\r
1824 EFI_RESET_SYSTEM ResetSystem;\r
1825\r
1826 //\r
1827 // UEFI 2.0 Capsule Services\r
1828 //\r
1829 EFI_UPDATE_CAPSULE UpdateCapsule;\r
1830 EFI_QUERY_CAPSULE_CAPABILITIES QueryCapsuleCapabilities;\r
1831\r
1832 //\r
1833 // Miscellaneous UEFI 2.0 Service\r
1834 //\r
1835 EFI_QUERY_VARIABLE_INFO QueryVariableInfo;\r
959ccb23 1836} EFI_RUNTIME_SERVICES;\r
1837\r
1838\r
07636730 1839#define EFI_BOOT_SERVICES_SIGNATURE SIGNATURE_64 ('B','O','O','T','S','E','R','V')\r
78322c85 1840#define EFI_BOOT_SERVICES_REVISION EFI_SPECIFICATION_VERSION\r
959ccb23 1841\r
e0c047a0 1842///\r
af2dc6a7 1843/// EFI Boot Services Table.\r
e0c047a0 1844///\r
959ccb23 1845typedef struct {\r
e0c047a0 1846 ///\r
1847 /// The table header for the EFI Boot Services Table.\r
1848 ///\r
c9a0a0fc 1849 EFI_TABLE_HEADER Hdr;\r
d0c64728 1850\r
00edb218
A
1851 //\r
1852 // Task Priority Services\r
1853 //\r
1854 EFI_RAISE_TPL RaiseTPL;\r
1855 EFI_RESTORE_TPL RestoreTPL;\r
1856\r
1857 //\r
1858 // Memory Services\r
1859 //\r
1860 EFI_ALLOCATE_PAGES AllocatePages;\r
1861 EFI_FREE_PAGES FreePages;\r
1862 EFI_GET_MEMORY_MAP GetMemoryMap;\r
1863 EFI_ALLOCATE_POOL AllocatePool;\r
1864 EFI_FREE_POOL FreePool;\r
1865\r
1866 //\r
1867 // Event & Timer Services\r
1868 //\r
1869 EFI_CREATE_EVENT CreateEvent;\r
1870 EFI_SET_TIMER SetTimer;\r
1871 EFI_WAIT_FOR_EVENT WaitForEvent;\r
1872 EFI_SIGNAL_EVENT SignalEvent;\r
1873 EFI_CLOSE_EVENT CloseEvent;\r
1874 EFI_CHECK_EVENT CheckEvent;\r
1875\r
1876 //\r
1877 // Protocol Handler Services\r
1878 //\r
1879 EFI_INSTALL_PROTOCOL_INTERFACE InstallProtocolInterface;\r
1880 EFI_REINSTALL_PROTOCOL_INTERFACE ReinstallProtocolInterface;\r
1881 EFI_UNINSTALL_PROTOCOL_INTERFACE UninstallProtocolInterface;\r
1882 EFI_HANDLE_PROTOCOL HandleProtocol;\r
1883 VOID *Reserved;\r
1884 EFI_REGISTER_PROTOCOL_NOTIFY RegisterProtocolNotify;\r
1885 EFI_LOCATE_HANDLE LocateHandle;\r
1886 EFI_LOCATE_DEVICE_PATH LocateDevicePath;\r
1887 EFI_INSTALL_CONFIGURATION_TABLE InstallConfigurationTable;\r
1888\r
1889 //\r
1890 // Image Services\r
1891 //\r
1892 EFI_IMAGE_LOAD LoadImage;\r
1893 EFI_IMAGE_START StartImage;\r
1894 EFI_EXIT Exit;\r
1895 EFI_IMAGE_UNLOAD UnloadImage;\r
1896 EFI_EXIT_BOOT_SERVICES ExitBootServices;\r
1897\r
1898 //\r
1899 // Miscellaneous Services\r
1900 //\r
1901 EFI_GET_NEXT_MONOTONIC_COUNT GetNextMonotonicCount;\r
1902 EFI_STALL Stall;\r
1903 EFI_SET_WATCHDOG_TIMER SetWatchdogTimer;\r
1904\r
1905 //\r
1906 // DriverSupport Services\r
1907 //\r
1908 EFI_CONNECT_CONTROLLER ConnectController;\r
1909 EFI_DISCONNECT_CONTROLLER DisconnectController;\r
1910\r
1911 //\r
1912 // Open and Close Protocol Services\r
1913 //\r
1914 EFI_OPEN_PROTOCOL OpenProtocol;\r
1915 EFI_CLOSE_PROTOCOL CloseProtocol;\r
1916 EFI_OPEN_PROTOCOL_INFORMATION OpenProtocolInformation;\r
1917\r
1918 //\r
1919 // Library Services\r
1920 //\r
1921 EFI_PROTOCOLS_PER_HANDLE ProtocolsPerHandle;\r
1922 EFI_LOCATE_HANDLE_BUFFER LocateHandleBuffer;\r
1923 EFI_LOCATE_PROTOCOL LocateProtocol;\r
1924 EFI_INSTALL_MULTIPLE_PROTOCOL_INTERFACES InstallMultipleProtocolInterfaces;\r
1925 EFI_UNINSTALL_MULTIPLE_PROTOCOL_INTERFACES UninstallMultipleProtocolInterfaces;\r
1926\r
1927 //\r
1928 // 32-bit CRC Services\r
1929 //\r
1930 EFI_CALCULATE_CRC32 CalculateCrc32;\r
1931\r
1932 //\r
1933 // Miscellaneous Services\r
1934 //\r
1935 EFI_COPY_MEM CopyMem;\r
1936 EFI_SET_MEM SetMem;\r
00edb218 1937 EFI_CREATE_EVENT_EX CreateEventEx;\r
959ccb23 1938} EFI_BOOT_SERVICES;\r
1939\r
e0c047a0 1940///\r
1941/// Contains a set of GUID/pointer pairs comprised of the ConfigurationTable field in the\r
1942/// EFI System Table.\r
1943///\r
2a3f6a21 1944typedef struct {\r
e0c047a0 1945 ///\r
1946 /// The 128-bit GUID value that uniquely identifies the system configuration table.\r
1947 ///\r
00edb218 1948 EFI_GUID VendorGuid;\r
e0c047a0 1949 ///\r
1950 /// A pointer to the table associated with VendorGuid.\r
1951 ///\r
00edb218 1952 VOID *VendorTable;\r
959ccb23 1953} EFI_CONFIGURATION_TABLE;\r
1954\r
e0c047a0 1955///\r
1956/// EFI System Table\r
1957///\r
2a3f6a21 1958typedef struct {\r
e0c047a0 1959 ///\r
1960 /// The table header for the EFI System Table.\r
1961 ///\r
c9a0a0fc 1962 EFI_TABLE_HEADER Hdr;\r
e0c047a0 1963 ///\r
fbf926ad 1964 /// A pointer to a null terminated string that identifies the vendor\r
1965 /// that produces the system firmware for the platform.\r
e0c047a0 1966 ///\r
00edb218 1967 CHAR16 *FirmwareVendor;\r
e0c047a0 1968 ///\r
1969 /// A firmware vendor specific value that identifies the revision\r
1970 /// of the system firmware for the platform.\r
1971 ///\r
00edb218 1972 UINT32 FirmwareRevision;\r
e0c047a0 1973 ///\r
eaf75bf4 1974 /// The handle for the active console input device. This handle must support\r
1975 /// EFI_SIMPLE_TEXT_INPUT_PROTOCOL and EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL.\r
e0c047a0 1976 ///\r
00edb218 1977 EFI_HANDLE ConsoleInHandle;\r
e0c047a0 1978 ///\r
11ca63ec 1979 /// A pointer to the EFI_SIMPLE_TEXT_INPUT_PROTOCOL interface that is\r
e0c047a0 1980 /// associated with ConsoleInHandle.\r
1981 ///\r
00edb218 1982 EFI_SIMPLE_TEXT_INPUT_PROTOCOL *ConIn;\r
e0c047a0 1983 ///\r
1984 /// The handle for the active console output device.\r
1985 ///\r
00edb218 1986 EFI_HANDLE ConsoleOutHandle;\r
e0c047a0 1987 ///\r
11ca63ec 1988 /// A pointer to the EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL interface\r
e0c047a0 1989 /// that is associated with ConsoleOutHandle.\r
1990 ///\r
00edb218 1991 EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *ConOut;\r
e0c047a0 1992 ///\r
1993 /// The handle for the active standard error console device.\r
eaf75bf4 1994 /// This handle must support the EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.\r
e0c047a0 1995 ///\r
00edb218 1996 EFI_HANDLE StandardErrorHandle;\r
e0c047a0 1997 ///\r
11ca63ec 1998 /// A pointer to the EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL interface\r
e0c047a0 1999 /// that is associated with StandardErrorHandle.\r
2000 ///\r
00edb218 2001 EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *StdErr;\r
e0c047a0 2002 ///\r
2003 /// A pointer to the EFI Runtime Services Table.\r
2004 ///\r
00edb218 2005 EFI_RUNTIME_SERVICES *RuntimeServices;\r
e0c047a0 2006 ///\r
2007 /// A pointer to the EFI Boot Services Table.\r
2008 ///\r
00edb218 2009 EFI_BOOT_SERVICES *BootServices;\r
e0c047a0 2010 ///\r
2011 /// The number of system configuration tables in the buffer ConfigurationTable.\r
2012 ///\r
00edb218 2013 UINTN NumberOfTableEntries;\r
e0c047a0 2014 ///\r
2015 /// A pointer to the system configuration tables.\r
2016 /// The number of entries in the table is NumberOfTableEntries.\r
2017 ///\r
00edb218 2018 EFI_CONFIGURATION_TABLE *ConfigurationTable;\r
2a3f6a21 2019} EFI_SYSTEM_TABLE;\r
2020\r
2021/**\r
2022 This is the declaration of an EFI image entry point. This entry point is\r
2023 the same for UEFI Applications, UEFI OS Loaders, and UEFI Drivers including\r
2024 both device drivers and bus drivers.\r
2025\r
d3d92557
FT
2026 @param[in] ImageHandle The firmware allocated handle for the UEFI image.\r
2027 @param[in] SystemTable A pointer to the EFI System Table.\r
2a3f6a21 2028\r
2029 @retval EFI_SUCCESS The operation completed successfully.\r
af2dc6a7 2030 @retval Others An unexpected error occurred.\r
2a3f6a21 2031**/\r
2032typedef\r
2033EFI_STATUS\r
2034(EFIAPI *EFI_IMAGE_ENTRY_POINT)(\r
2035 IN EFI_HANDLE ImageHandle,\r
2036 IN EFI_SYSTEM_TABLE *SystemTable\r
2037 );\r
959ccb23 2038\r
faa32beb
RN
2039//\r
2040// EFI Load Option. This data structure describes format of UEFI boot option variables.\r
2041//\r
2042// NOTE: EFI Load Option is a byte packed buffer of variable length fields.\r
2043// The first two fields have fixed length. They are declared as members of the\r
2044// EFI_LOAD_OPTION structure. All the other fields are variable length fields.\r
2045// They are listed in the comment block below for reference purposes.\r
2046//\r
2047#pragma pack(1)\r
2048typedef struct _EFI_LOAD_OPTION {\r
2049 ///\r
2050 /// The attributes for this load option entry. All unused bits must be zero\r
2051 /// and are reserved by the UEFI specification for future growth.\r
2052 ///\r
2053 UINT32 Attributes;\r
2054 ///\r
2055 /// Length in bytes of the FilePathList. OptionalData starts at offset\r
2056 /// sizeof(UINT32) + sizeof(UINT16) + StrSize(Description) + FilePathListLength\r
2057 /// of the EFI_LOAD_OPTION descriptor.\r
2058 ///\r
2059 UINT16 FilePathListLength;\r
2060 ///\r
2061 /// The user readable description for the load option.\r
2062 /// This field ends with a Null character.\r
2063 ///\r
2064 // CHAR16 Description[];\r
2065 ///\r
2066 /// A packed array of UEFI device paths. The first element of the array is a\r
2067 /// device path that describes the device and location of the Image for this\r
2068 /// load option. The FilePathList[0] is specific to the device type. Other\r
2069 /// device paths may optionally exist in the FilePathList, but their usage is\r
2070 /// OSV specific. Each element in the array is variable length, and ends at\r
2071 /// the device path end structure. Because the size of Description is\r
2072 /// arbitrary, this data structure is not guaranteed to be aligned on a\r
2073 /// natural boundary. This data structure may have to be copied to an aligned\r
2074 /// natural boundary before it is used.\r
2075 ///\r
2076 // EFI_DEVICE_PATH_PROTOCOL FilePathList[];\r
2077 ///\r
2078 /// The remaining bytes in the load option descriptor are a binary data buffer\r
2079 /// that is passed to the loaded image. If the field is zero bytes long, a\r
2080 /// NULL pointer is passed to the loaded image. The number of bytes in\r
2081 /// OptionalData can be computed by subtracting the starting offset of\r
2082 /// OptionalData from total size in bytes of the EFI_LOAD_OPTION.\r
2083 ///\r
2084 // UINT8 OptionalData[];\r
2085} EFI_LOAD_OPTION;\r
2086#pragma pack()\r
2087\r
95cba3ee
A
2088//\r
2089// EFI Load Options Attributes\r
2090//\r
573b8a86
RN
2091#define LOAD_OPTION_ACTIVE 0x00000001\r
2092#define LOAD_OPTION_FORCE_RECONNECT 0x00000002\r
2093#define LOAD_OPTION_HIDDEN 0x00000008\r
2094#define LOAD_OPTION_CATEGORY 0x00001F00\r
2095\r
2096#define LOAD_OPTION_CATEGORY_BOOT 0x00000000\r
2097#define LOAD_OPTION_CATEGORY_APP 0x00000100\r
2098\r
2099#define EFI_BOOT_OPTION_SUPPORT_KEY 0x00000001\r
2100#define EFI_BOOT_OPTION_SUPPORT_APP 0x00000002\r
2101#define EFI_BOOT_OPTION_SUPPORT_SYSPREP 0x00000010\r
2102#define EFI_BOOT_OPTION_SUPPORT_COUNT 0x00000300\r
95cba3ee 2103\r
2a3f6a21 2104///\r
2105/// EFI Boot Key Data\r
2106///\r
d4468cdf
RN
2107typedef union {\r
2108 struct {\r
2109 ///\r
2110 /// Indicates the revision of the EFI_KEY_OPTION structure. This revision level should be 0.\r
2111 ///\r
2112 UINT32 Revision : 8;\r
2113 ///\r
2114 /// Either the left or right Shift keys must be pressed (1) or must not be pressed (0).\r
2115 ///\r
2116 UINT32 ShiftPressed : 1;\r
2117 ///\r
2118 /// Either the left or right Control keys must be pressed (1) or must not be pressed (0).\r
2119 ///\r
2120 UINT32 ControlPressed : 1;\r
2121 ///\r
2122 /// Either the left or right Alt keys must be pressed (1) or must not be pressed (0).\r
2123 ///\r
2124 UINT32 AltPressed : 1;\r
2125 ///\r
2126 /// Either the left or right Logo keys must be pressed (1) or must not be pressed (0).\r
2127 ///\r
2128 UINT32 LogoPressed : 1;\r
2129 ///\r
2130 /// The Menu key must be pressed (1) or must not be pressed (0).\r
2131 ///\r
2132 UINT32 MenuPressed : 1;\r
2133 ///\r
2134 /// The SysReq key must be pressed (1) or must not be pressed (0).\r
2135 ///\r
2136 UINT32 SysReqPressed : 1;\r
2137 UINT32 Reserved : 16;\r
2138 ///\r
2139 /// Specifies the actual number of entries in EFI_KEY_OPTION.Keys, from 0-3. If\r
2140 /// zero, then only the shift state is considered. If more than one, then the boot option will\r
2141 /// only be launched if all of the specified keys are pressed with the same shift state.\r
2142 ///\r
2143 UINT32 InputKeyCount : 2;\r
2144 } Options;\r
2145 UINT32 PackedValue;\r
2146} EFI_BOOT_KEY_DATA;\r
95cba3ee 2147\r
2a3f6a21 2148///\r
af2dc6a7 2149/// EFI Key Option.\r
2a3f6a21 2150///\r
53cdd439 2151#pragma pack(1)\r
95cba3ee 2152typedef struct {\r
1bf79370
LG
2153 ///\r
2154 /// Specifies options about how the key will be processed.\r
2155 ///\r
2156 EFI_BOOT_KEY_DATA KeyData;\r
2157 ///\r
2158 /// The CRC-32 which should match the CRC-32 of the entire EFI_LOAD_OPTION to\r
2159 /// which BootOption refers. If the CRC-32s do not match this value, then this key\r
2160 /// option is ignored.\r
2161 ///\r
2a3f6a21 2162 UINT32 BootOptionCrc;\r
1bf79370
LG
2163 ///\r
2164 /// The Boot#### option which will be invoked if this key is pressed and the boot option\r
2165 /// is active (LOAD_OPTION_ACTIVE is set).\r
2166 ///\r
2a3f6a21 2167 UINT16 BootOption;\r
1bf79370
LG
2168 ///\r
2169 /// The key codes to compare against those returned by the\r
2170 /// EFI_SIMPLE_TEXT_INPUT and EFI_SIMPLE_TEXT_INPUT_EX protocols.\r
2171 /// The number of key codes (0-3) is specified by the EFI_KEY_CODE_COUNT field in KeyOptions.\r
2172 ///\r
2173 //EFI_INPUT_KEY Keys[];\r
95cba3ee 2174} EFI_KEY_OPTION;\r
53cdd439 2175#pragma pack()\r
95cba3ee 2176\r
959ccb23 2177//\r
2178// EFI File location to boot from on removable media devices\r
2179//\r
2180#define EFI_REMOVABLE_MEDIA_FILE_NAME_IA32 L"\\EFI\\BOOT\\BOOTIA32.EFI"\r
2181#define EFI_REMOVABLE_MEDIA_FILE_NAME_IA64 L"\\EFI\\BOOT\\BOOTIA64.EFI"\r
2182#define EFI_REMOVABLE_MEDIA_FILE_NAME_X64 L"\\EFI\\BOOT\\BOOTX64.EFI"\r
ebd04fc2 2183#define EFI_REMOVABLE_MEDIA_FILE_NAME_ARM L"\\EFI\\BOOT\\BOOTARM.EFI"\r
b4319afb 2184#define EFI_REMOVABLE_MEDIA_FILE_NAME_AARCH64 L"\\EFI\\BOOT\\BOOTAA64.EFI"\r
959ccb23 2185\r
2186#if defined (MDE_CPU_IA32)\r
2187 #define EFI_REMOVABLE_MEDIA_FILE_NAME EFI_REMOVABLE_MEDIA_FILE_NAME_IA32\r
2188#elif defined (MDE_CPU_IPF)\r
2189 #define EFI_REMOVABLE_MEDIA_FILE_NAME EFI_REMOVABLE_MEDIA_FILE_NAME_IA64\r
2190#elif defined (MDE_CPU_X64)\r
2191 #define EFI_REMOVABLE_MEDIA_FILE_NAME EFI_REMOVABLE_MEDIA_FILE_NAME_X64\r
2192#elif defined (MDE_CPU_EBC)\r
ebd04fc2 2193#elif defined (MDE_CPU_ARM)\r
2194 #define EFI_REMOVABLE_MEDIA_FILE_NAME EFI_REMOVABLE_MEDIA_FILE_NAME_ARM\r
b4319afb
HL
2195#elif defined (MDE_CPU_AARCH64)\r
2196 #define EFI_REMOVABLE_MEDIA_FILE_NAME EFI_REMOVABLE_MEDIA_FILE_NAME_AARCH64\r
959ccb23 2197#else\r
2198 #error Unknown Processor Type\r
2199#endif\r
2200\r
959ccb23 2201#include <Uefi/UefiPxe.h>\r
2202#include <Uefi/UefiGpt.h>\r
2203#include <Uefi/UefiInternalFormRepresentation.h>\r
2204\r
2205#endif\r