2 Include file that supportes UEFI.
4 This include file must only contain things defined in the UEFI 2.0 specification.
5 If a code construct is defined in the UEFI 2.0 specification it must be included
8 Copyright (c) 2006 - 2007, Intel Corporation
9 All rights reserved. This program and the accompanying materials
10 are licensed and made available under the terms and conditions of the BSD License
11 which accompanies this distribution. The full text of the license may be found at
12 http://opensource.org/licenses/bsd-license.php
14 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
15 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
19 #ifndef __UEFI_SPEC_H__
20 #define __UEFI_SPEC_H__
22 #include <Uefi/UefiMultiPhase.h>
24 #include <Protocol/DevicePath.h>
25 #include <Protocol/SimpleTextIn.h>
26 #include <Protocol/SimpleTextOut.h>
29 // Enumeration of memory allocation.
39 // Bit definitions for EFI_TIME.Daylight
41 #define EFI_TIME_ADJUST_DAYLIGHT 0x01
42 #define EFI_TIME_IN_DAYLIGHT 0x02
45 // Value definition for EFI_TIME.TimeZone
47 #define EFI_UNSPECIFIED_TIMEZONE 0x07FF
50 // possible caching types for the memory range
52 #define EFI_MEMORY_UC 0x0000000000000001ULL
53 #define EFI_MEMORY_WC 0x0000000000000002ULL
54 #define EFI_MEMORY_WT 0x0000000000000004ULL
55 #define EFI_MEMORY_WB 0x0000000000000008ULL
56 #define EFI_MEMORY_UCE 0x0000000000000010ULL
59 // physical memory protection on range
61 #define EFI_MEMORY_WP 0x0000000000001000ULL
62 #define EFI_MEMORY_RP 0x0000000000002000ULL
63 #define EFI_MEMORY_XP 0x0000000000004000ULL
66 // range requires a runtime mapping
68 #define EFI_MEMORY_RUNTIME 0x8000000000000000ULL
70 #define EFI_MEMORY_DESCRIPTOR_VERSION 1
73 EFI_PHYSICAL_ADDRESS PhysicalStart
;
74 EFI_VIRTUAL_ADDRESS VirtualStart
;
77 } EFI_MEMORY_DESCRIPTOR
;
80 // Build macros to find next EFI_MEMORY_DESCRIPTOR.
82 #define NextMemoryDescriptor(_Ptr, _Size) ((EFI_MEMORY_DESCRIPTOR *) (((UINT8 *) (_Ptr)) + (_Size)))
83 #define NEXT_MEMORY_DESCRIPTOR(_Ptr, _Size) NextMemoryDescriptor (_Ptr, _Size)
86 // Declare forward referenced data structures
88 typedef struct _EFI_SYSTEM_TABLE EFI_SYSTEM_TABLE
;
91 Allocates memory pages from the system.
93 @param Type The type of allocation to perform.
94 @param MemoryType The type of memory to allocate.
95 @param Pages The number of contiguous 4 KB pages to allocate.
96 @param Memory Pointer to a physical address. On input, the way in which the address is
97 used depends on the value of Type.
99 @retval EFI_SUCCESS The requested pages were allocated.
100 @retval EFI_INVALID_PARAMETER 1) Type is not AllocateAnyPages or
101 AllocateMaxAddress or AllocateAddress.
102 2) MemoryType is in the range
103 EfiMaxMemoryType..0x7FFFFFFF.
104 @retval EFI_OUT_OF_RESOURCES The pages could not be allocated.
105 @retval EFI_NOT_FOUND The requested pages could not be found.
110 (EFIAPI
*EFI_ALLOCATE_PAGES
) (
111 IN EFI_ALLOCATE_TYPE Type
,
112 IN EFI_MEMORY_TYPE MemoryType
,
114 IN OUT EFI_PHYSICAL_ADDRESS
*Memory
120 @param Memory The base physical address of the pages to be freed.
121 @param Pages The number of contiguous 4 KB pages to free.
123 @retval EFI_SUCCESS The requested pages were freed.
124 @retval EFI_INVALID_PARAMETER Memory is not a page-aligned address or Pages is invalid.
125 @retval EFI_NOT_FOUND The requested memory pages were not allocated with
131 (EFIAPI
*EFI_FREE_PAGES
) (
132 IN EFI_PHYSICAL_ADDRESS Memory
,
137 Returns the current memory map.
139 @param MemoryMapSize A pointer to the size, in bytes, of the MemoryMap buffer.
140 @param MemoryMap A pointer to the buffer in which firmware places the current memory
142 @param MapKey A pointer to the location in which firmware returns the key for the
144 @param DescriptorSize A pointer to the location in which firmware returns the size, in bytes, of
145 an individual EFI_MEMORY_DESCRIPTOR.
146 @param DescriptorVersion A pointer to the location in which firmware returns the version number
147 associated with the EFI_MEMORY_DESCRIPTOR.
149 @retval EFI_SUCCESS The memory map was returned in the MemoryMap buffer.
150 @retval EFI_BUFFER_TOO_SMALL The MemoryMap buffer was too small. The current buffer size
151 needed to hold the memory map is returned in MemoryMapSize.
152 @retval EFI_INVALID_PARAMETER 1) MemoryMapSize is NULL.
153 2) The MemoryMap buffer is not too small and MemoryMap is
159 (EFIAPI
*EFI_GET_MEMORY_MAP
) (
160 IN OUT UINTN
*MemoryMapSize
,
161 IN OUT EFI_MEMORY_DESCRIPTOR
*MemoryMap
,
163 OUT UINTN
*DescriptorSize
,
164 OUT UINT32
*DescriptorVersion
168 Allocates pool memory.
170 @param PoolType The type of pool to allocate.
171 @param Size The number of bytes to allocate from the pool.
172 @param Buffer A pointer to a pointer to the allocated buffer if the call succeeds;
175 @retval EFI_SUCCESS The requested number of bytes was allocated.
176 @retval EFI_OUT_OF_RESOURCES The pool requested could not be allocated.
177 @retval EFI_INVALID_PARAMETER PoolType was invalid.
182 (EFIAPI
*EFI_ALLOCATE_POOL
) (
183 IN EFI_MEMORY_TYPE PoolType
,
189 Returns pool memory to the system.
191 @param Buffer Pointer to the buffer to free.
193 @retval EFI_SUCCESS The memory was returned to the system.
194 @retval EFI_INVALID_PARAMETER Buffer was invalid.
199 (EFIAPI
*EFI_FREE_POOL
) (
204 Changes the runtime addressing mode of EFI firmware from physical to virtual.
206 @param MemoryMapSize The size in bytes of VirtualMap.
207 @param DescriptorSize The size in bytes of an entry in the VirtualMap.
208 @param DescriptorVersion The version of the structure entries in VirtualMap.
209 @param VirtualMap An array of memory descriptors which contain new virtual
210 address mapping information for all runtime ranges.
212 @retval EFI_SUCCESS The virtual address map has been applied.
213 @retval EFI_UNSUPPORTED EFI firmware is not at runtime, or the EFI firmware is already in
214 virtual address mapped mode.
215 @retval EFI_INVALID_PARAMETER DescriptorSize or DescriptorVersion is invalid.
216 @retval EFI_NO_MAPPING A virtual address was not supplied for a range in the memory
217 map that requires a mapping.
218 @retval EFI_NOT_FOUND A virtual address was supplied for an address that is not found
224 (EFIAPI
*EFI_SET_VIRTUAL_ADDRESS_MAP
) (
225 IN UINTN MemoryMapSize
,
226 IN UINTN DescriptorSize
,
227 IN UINT32 DescriptorVersion
,
228 IN EFI_MEMORY_DESCRIPTOR
*VirtualMap
232 Connects one or more drivers to a controller.
234 @param ControllerHandle The handle of the controller to which driver(s) are to be connected.
235 @param DriverImageHandle A pointer to an ordered list handles that support the
236 EFI_DRIVER_BINDING_PROTOCOL.
237 @param RemainingDevicePath A pointer to the device path that specifies a child of the
238 controller specified by ControllerHandle.
239 @param Recursive If TRUE, then ConnectController() is called recursively
240 until the entire tree of controllers below the controller specified
241 by ControllerHandle have been created. If FALSE, then
242 the tree of controllers is only expanded one level.
244 @retval EFI_SUCCESS 1) One or more drivers were connected to ControllerHandle.
245 2) No drivers were connected to ControllerHandle, but
246 RemainingDevicePath is not NULL, and it is an End Device
248 @retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
249 @retval EFI_NOT_FOUND 1) There are no EFI_DRIVER_BINDING_PROTOCOL instances
250 present in the system.
251 2) No drivers were connected to ControllerHandle.
256 (EFIAPI
*EFI_CONNECT_CONTROLLER
) (
257 IN EFI_HANDLE ControllerHandle
,
258 IN EFI_HANDLE
*DriverImageHandle
, OPTIONAL
259 IN EFI_DEVICE_PATH_PROTOCOL
*RemainingDevicePath
, OPTIONAL
264 Disconnects one or more drivers from a controller.
266 @param ControllerHandle The handle of the controller from which driver(s) are to be disconnected.
267 @param DriverImageHandle The driver to disconnect from ControllerHandle.
268 @param ChildHandle The handle of the child to destroy.
270 @retval EFI_SUCCESS 1) One or more drivers were disconnected from the controller.
271 2) On entry, no drivers are managing ControllerHandle.
272 3) DriverImageHandle is not NULL, and on entry
273 DriverImageHandle is not managing ControllerHandle.
275 @retval EFI_INVALID_PARAMETER One ore more parameters are invalid.
276 @retval EFI_OUT_OF_RESOURCES There are not enough resources available to disconnect any drivers from
278 @retval EFI_DEVICE_ERROR The controller could not be disconnected because of a device error.
283 (EFIAPI
*EFI_DISCONNECT_CONTROLLER
) (
284 IN EFI_HANDLE ControllerHandle
,
285 IN EFI_HANDLE DriverImageHandle
, OPTIONAL
286 IN EFI_HANDLE ChildHandle OPTIONAL
292 // ConvertPointer DebugDisposition type.
294 #define EFI_OPTIONAL_PTR 0x00000001
295 #define EFI_OPTIONAL_POINTER EFI_OPTIONAL_PTR
298 Determines the new virtual address that is to be used on subsequent memory accesses.
300 @param DebugDisposition Supplies type information for the pointer being converted.
301 @param Address A pointer to a pointer that is to be fixed to be the value needed
302 for the new virtual address mappings being applied.
304 @retval EFI_SUCCESS The pointer pointed to by Address was modified.
305 @retval EFI_INVALID_PARAMETER 1) Address is NULL.
306 2) *Address is NULL and DebugDisposition does
307 not have the EFI_OPTIONAL_PTR bit set.
308 @retval EFI_NOT_FOUND The pointer pointed to by Address was not found to be part
309 of the current memory map. This is normally fatal.
314 (EFIAPI
*EFI_CONVERT_POINTER
) (
315 IN UINTN DebugDisposition
,
316 IN OUT VOID
**Address
321 // These types can be ORed together as needed ¨C for example,
322 // EVT_TIMER might be Ored with EVT_NOTIFY_WAIT or
323 // EVT_NOTIFY_SIGNAL.
325 #define EVT_TIMER 0x80000000
326 #define EFI_EVENT_TIMER EVT_TIMER
328 #define EVT_RUNTIME 0x40000000
329 #define EFI_EVENT_RUNTIME EVT_RUNTIME
331 #define EVT_NOTIFY_WAIT 0x00000100
332 #define EFI_EVENT_NOTIFY_WAIT EVT_NOTIFY_WAIT
334 #define EVT_NOTIFY_SIGNAL 0x00000200
335 #define EFI_EVENT_NOTIFY_SIGNAL EVT_NOTIFY_SIGNAL
337 #define EVT_SIGNAL_EXIT_BOOT_SERVICES 0x00000201
338 #define EFI_EVENT_SIGNAL_EXIT_BOOT_SERVICES EVT_SIGNAL_EXIT_BOOT_SERVICES
340 #define EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE 0x60000202
341 #define EFI_EVENT_SIGNAL_VIRTUAL_ADDRESS_CHANGE EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE
344 // The event¡¯s NotifyContext pointer points to a runtime memory
346 // The event is deprecated in UEFI2.0 and later specifications.
348 #define EVT_RUNTIME_CONTEXT 0x20000000
352 Invoke a notification event
354 @param Event Event whose notification function is being invoked.
355 @param Context Pointer to the notification function's context,
356 which is implementation-dependent.
361 (EFIAPI
*EFI_EVENT_NOTIFY
) (
369 @param Type The type of event to create and its mode and attributes.
370 @param NotifyTpl Pointer to the notification function's context.
371 @param NotifyFunction Pointer to the event's notification function, if any.
372 @param NotifyContext Pointer to the notification function's context; corresponds to parameter
373 Context in the notification function.
374 @param Event Pointer to the newly created event if the call succeeds; undefined
377 @retval EFI_SUCCESS The event structure was created.
378 @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
379 @retval EFI_OUT_OF_RESOURCES The event could not be allocated.
384 (EFIAPI
*EFI_CREATE_EVENT
) (
386 IN EFI_TPL NotifyTpl
,
387 IN EFI_EVENT_NOTIFY NotifyFunction
,
388 IN VOID
*NotifyContext
,
393 Creates an event in a group.
395 @param Type The type of event to create and its mode and attributes.
396 @param NotifyTpl Pointer to the notification function's context.
397 @param NotifyFunction Pointer to the event's notification function, if any.
398 @param NotifyContext Pointer to the notification function's context; corresponds to parameter
399 Context in the notification function.
400 @param EventGroup Pointer to the unique identifier of the group to which this event belongs.
401 @param Event Pointer to the newly created event if the call succeeds; undefined
404 @retval EFI_SUCCESS The event structure was created.
405 @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
406 @retval EFI_OUT_OF_RESOURCES The event could not be allocated.
411 (EFIAPI
*EFI_CREATE_EVENT_EX
) (
413 IN EFI_TPL NotifyTpl OPTIONAL
,
414 IN EFI_EVENT_NOTIFY NotifyFunction OPTIONAL
,
415 IN CONST VOID
*NotifyContext OPTIONAL
,
416 IN CONST EFI_GUID
*EventGroup OPTIONAL
,
427 Sets the type of timer and the trigger time for a timer event.
429 @param Event The timer event that is to be signaled at the specified time.
430 @param Type The type of time that is specified in TriggerTime.
431 @param TriggerTime The number of 100ns units until the timer expires.
433 @retval EFI_SUCCESS The event has been set to be signaled at the requested time.
434 @retval EFI_INVALID_PARAMETER Event or Type is not valid.
439 (EFIAPI
*EFI_SET_TIMER
) (
441 IN EFI_TIMER_DELAY Type
,
442 IN UINT64 TriggerTime
448 @param Event The event to signal.
450 @retval EFI_SUCCESS The event has been signaled.
455 (EFIAPI
*EFI_SIGNAL_EVENT
) (
460 Stops execution until an event is signaled.
462 @param NumberOfEvents The number of events in the Event array.
463 @param Event An array of EFI_EVENT.
464 @param Index Pointer to the index of the event which satisfied the wait condition.
466 @retval EFI_SUCCESS The event indicated by Index was signaled.
467 @retval EFI_INVALID_PARAMETER 1) NumberOfEvents is 0.
468 2) The event indicated by Index is of type
470 @retval EFI_UNSUPPORTED The current TPL is not TPL_APPLICATION.
475 (EFIAPI
*EFI_WAIT_FOR_EVENT
) (
476 IN UINTN NumberOfEvents
,
484 @param Event The event to close.
486 @retval EFI_SUCCESS The event has been closed.
491 (EFIAPI
*EFI_CLOSE_EVENT
) (
496 Checks whether an event is in the signaled state.
498 @param Event The event to check.
500 @retval EFI_SUCCESS The event is in the signaled state.
501 @retval EFI_NOT_READY The event is not in the signaled state.
502 @retval EFI_INVALID_PARAMETER Event is of type EVT_NOTIFY_SIGNAL.
507 (EFIAPI
*EFI_CHECK_EVENT
) (
513 // Task priority level (name defined in spec).
515 #define TPL_APPLICATION 4
516 #define TPL_CALLBACK 8
517 #define TPL_NOTIFY 16
518 #define TPL_HIGH_LEVEL 31
522 Raises a task's priority level and returns its previous level.
524 @param NewTpl The new task priority level.
526 @retval Previous task priority level
531 (EFIAPI
*EFI_RAISE_TPL
) (
536 Restores a task's priority level to its previous value.
538 @param OldTpl The previous task priority level to restore
543 (EFIAPI
*EFI_RESTORE_TPL
) (
548 Returns the value of a variable.
550 @param VariableName A Null-terminated Unicode string that is the name of the
552 @param VendorGuid A unique identifier for the vendor.
553 @param Attributes If not NULL, a pointer to the memory location to return the
554 attributes bitmask for the variable.
555 @param DataSize On input, the size in bytes of the return Data buffer.
556 On output the size of data returned in Data.
557 @param Data The buffer to return the contents of the variable.
559 @retval EFI_SUCCESS The function completed successfully.
560 @retval EFI_NOT_FOUND The variable was not found.
561 @retval EFI_BUFFER_TOO_SMALL The DataSize is too small for the result.
562 @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
563 @retval EFI_DEVICE_ERROR The variable could not be retrieved due to a hardware error.
568 (EFIAPI
*EFI_GET_VARIABLE
) (
569 IN CHAR16
*VariableName
,
570 IN EFI_GUID
*VendorGuid
,
571 OUT UINT32
*Attributes
, OPTIONAL
572 IN OUT UINTN
*DataSize
,
577 Enumerates the current variable names.
579 @param VariableNameSize The size of the VariableName buffer.
580 @param VariableName On input, supplies the last VariableName that was returned
581 by GetNextVariableName(). On output, returns the Nullterminated
582 Unicode string of the current variable.
583 @param VendorGuid On input, supplies the last VendorGuid that was returned by
584 GetNextVariableName(). On output, returns the
585 VendorGuid of the current variable.
587 @retval EFI_SUCCESS The function completed successfully.
588 @retval EFI_NOT_FOUND The next variable was not found.
589 @retval EFI_BUFFER_TOO_SMALL The VariableNameSize is too small for the result.
590 @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
591 @retval EFI_DEVICE_ERROR The variable could not be retrieved due to a hardware error.
596 (EFIAPI
*EFI_GET_NEXT_VARIABLE_NAME
) (
597 IN OUT UINTN
*VariableNameSize
,
598 IN OUT CHAR16
*VariableName
,
599 IN OUT EFI_GUID
*VendorGuid
603 Sets the value of a variable.
605 @param VariableName A Null-terminated Unicode string that is the name of the
607 @param VendorGuid A unique identifier for the vendor.
608 @param Attributes Attributes bitmask to set for the variable.
609 @param DataSize The size in bytes of the Data buffer.
610 @param Data The contents for the variable.
612 @retval EFI_SUCCESS The firmware has successfully stored the variable and its data as
613 defined by the Attributes.
614 @retval EFI_WRITE_PROTECTED The variable in question is read-only.
615 @retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold the variable and its data.
616 @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
617 @retval EFI_DEVICE_ERROR The variable could not be retrieved due to a hardware error.
622 (EFIAPI
*EFI_SET_VARIABLE
) (
623 IN CHAR16
*VariableName
,
624 IN EFI_GUID
*VendorGuid
,
625 IN UINT32 Attributes
,
632 // This provides the capabilities of the
633 // real time clock device as exposed through the EFI interfaces.
639 } EFI_TIME_CAPABILITIES
;
642 Returns the current time and date information, and the time-keeping capabilities
643 of the hardware platform.
645 @param Time A pointer to storage to receive a snapshot of the current time.
646 @param Capabilities An optional pointer to a buffer to receive the real time clock
647 device's capabilities.
649 @retval EFI_SUCCESS The operation completed successfully.
650 @retval EFI_INVALID_PARAMETER Time is NULL.
651 @retval EFI_DEVICE_ERROR The time could not be retrieved due to hardware error.
656 (EFIAPI
*EFI_GET_TIME
) (
658 OUT EFI_TIME_CAPABILITIES
*Capabilities OPTIONAL
662 Sets the current local time and date information.
664 @param Time A pointer to the current time.
666 @retval EFI_SUCCESS The operation completed successfully.
667 @retval EFI_INVALID_PARAMETER A time field is out of range.
668 @retval EFI_DEVICE_ERROR The time could not be set due due to hardware error.
673 (EFIAPI
*EFI_SET_TIME
) (
678 Returns the current wakeup alarm clock setting.
680 @param Enabled Indicates if the alarm is currently enabled or disabled.
681 @param Pending Indicates if the alarm signal is pending and requires acknowledgement.
682 @param Time The current alarm setting.
684 @retval EFI_SUCCESS The alarm settings were returned.
685 @retval EFI_INVALID_PARAMETER Any parameter is NULL.
686 @retval EFI_DEVICE_ERROR The wakeup time could not be retrieved due to a hardware error.
691 (EFIAPI
*EFI_GET_WAKEUP_TIME
) (
692 OUT BOOLEAN
*Enabled
,
693 OUT BOOLEAN
*Pending
,
698 Sets the system wakeup alarm clock time.
700 @param Enabled Enable or disable the wakeup alarm.
701 @param Time If Enable is TRUE, the time to set the wakeup alarm for.
703 @retval EFI_SUCCESS If Enable is TRUE, then the wakeup alarm was enabled. If
704 Enable is FALSE, then the wakeup alarm was disabled.
705 @retval EFI_INVALID_PARAMETER A time field is out of range.
706 @retval EFI_DEVICE_ERROR The wakeup time could not be set due to a hardware error.
707 @retval EFI_UNSUPPORTED A wakeup timer is not supported on this platform.
712 (EFIAPI
*EFI_SET_WAKEUP_TIME
) (
714 IN EFI_TIME
*Time OPTIONAL
718 This is the declaration of an EFI image entry point. This can be the entry point to an application
719 written to this specification, an EFI boot service driver, or an EFI runtime driver.
721 @param ImageHandle Handle that identifies the loaded image.
722 @param SystemTable System Table for this image.
724 @retval EFI_SUCCESS The operation completed successfully.
729 (EFIAPI
*EFI_IMAGE_ENTRY_POINT
) (
730 IN EFI_HANDLE ImageHandle
,
731 IN EFI_SYSTEM_TABLE
*SystemTable
735 Loads an EFI image into memory.
737 @param BootPolicy If TRUE, indicates that the request originates from the boot
738 manager, and that the boot manager is attempting to load
739 FilePath as a boot selection. Ignored if SourceBuffer is
741 @param ParentImageHandle The caller's image handle.
742 @param FilePath The DeviceHandle specific file path from which the image is
744 @param SourceBuffer If not NULL, a pointer to the memory location containing a copy
745 of the image to be loaded.
746 @param SourceSize The size in bytes of SourceBuffer.
747 @param ImageHandle Pointer to the returned image handle that is created when the
748 image is successfully loaded.
750 @retval EFI_SUCCESS Image was loaded into memory correctly.
751 @retval EFI_NOT_FOUND Both SourceBuffer and FilePath are NULL.
752 @retval EFI_INVALID_PARAMETER One or more parametes are invalid.
753 @retval EFI_UNSUPPORTED The image type is not supported.
754 @retval EFI_OUT_OF_RESOURCES Image was not loaded due to insufficient resources.
755 @retval EFI_LOAD_ERROR Image was not loaded because the image format was corrupt or not
757 @retval EFI_DEVICE_ERROR Image was not loaded because the device returned a read error.
762 (EFIAPI
*EFI_IMAGE_LOAD
) (
763 IN BOOLEAN BootPolicy
,
764 IN EFI_HANDLE ParentImageHandle
,
765 IN EFI_DEVICE_PATH_PROTOCOL
*FilePath
,
766 IN VOID
*SourceBuffer OPTIONAL
,
768 OUT EFI_HANDLE
*ImageHandle
772 Transfers control to a loaded image's entry point.
774 @param ImageHandle Handle of image to be started.
775 @param ExitDataSize Pointer to the size, in bytes, of ExitData.
776 @param ExitData Pointer to a pointer to a data buffer that includes a Null-terminated
777 Unicode string, optionally followed by additional binary data.
779 @retval EFI_INVALID_PARAMETER ImageHandle is either an invalid image handle or the image
780 has already been initialized with StartImage
781 @retval Exit code from image Exit code from image
786 (EFIAPI
*EFI_IMAGE_START
) (
787 IN EFI_HANDLE ImageHandle
,
788 OUT UINTN
*ExitDataSize
,
789 OUT CHAR16
**ExitData OPTIONAL
793 Terminates a loaded EFI image and returns control to boot services.
795 @param ImageHandle Handle that identifies the image.
796 @param ExitStatus The image's exit code.
797 @param ExitDataSize The size, in bytes, of ExitData.
798 @param ExitData Pointer to a data buffer that includes a Null-terminated Unicode string,
799 optionally followed by additional binary data.
801 @retval EFI_SUCCESS The image specified by ImageHandle was unloaded.
802 @retval EFI_INVALID_PARAMETER The image specified by ImageHandle has been loaded and
803 started with LoadImage() and StartImage(), but the
804 image is not the currently executing image.
810 IN EFI_HANDLE ImageHandle
,
811 IN EFI_STATUS ExitStatus
,
812 IN UINTN ExitDataSize
,
813 IN CHAR16
*ExitData OPTIONAL
819 @param ImageHandle Handle that identifies the image to be unloaded.
821 @retval EFI_SUCCESS The image has been unloaded.
822 @retval EFI_INVALID_PARAMETER ImageHandle is not a valid image handle.
823 @retval EFI_UNSUPPORTED The image has been started, and does not support unload.
824 @retval Exit code from the image's unload handler
829 (EFIAPI
*EFI_IMAGE_UNLOAD
) (
830 IN EFI_HANDLE ImageHandle
834 Terminates all boot services.
836 @param ImageHandle Handle that identifies the exiting image.
837 @param MapKey Key to the latest memory map.
839 @retval EFI_SUCCESS Boot services have been terminated.
840 @retval EFI_INVALID_PARAMETER MapKey is incorrect.
845 (EFIAPI
*EFI_EXIT_BOOT_SERVICES
) (
846 IN EFI_HANDLE ImageHandle
,
851 Induces a fine-grained stall.
853 @param Microseconds The number of microseconds to stall execution.
855 @retval EFI_SUCCESS Execution was stalled at least the requested number of
861 (EFIAPI
*EFI_STALL
) (
862 IN UINTN Microseconds
866 Sets the system's watchdog timer.
868 @param Timeout The number of seconds to set the watchdog timer to.
869 @param WatchdogCode The numeric code to log on a watchdog timer timeout event.
870 @param DataSize The size, in bytes, of WatchdogData.
871 @param WatchdogData A data buffer that includes a Null-terminated Unicode string, optionally
872 followed by additional binary data.
874 @retval EFI_SUCCESS The timeout has been set.
875 @retval EFI_INVALID_PARAMETER The supplied WatchdogCode is invalid.
876 @retval EFI_UNSUPPORTED The system does not have a watchdog timer.
877 @retval EFI_DEVICE_ERROR The watch dog timer could not be programmed due to a hardware
883 (EFIAPI
*EFI_SET_WATCHDOG_TIMER
) (
885 IN UINT64 WatchdogCode
,
887 IN CHAR16
*WatchdogData OPTIONAL
891 // Enumeration of reset types.
900 Resets the entire platform.
902 @param ResetType The type of reset to perform.
903 @param ResetStatus The status code for the reset.
904 @param DataSize The size, in bytes, of WatchdogData.
905 @param ResetData For a ResetType of EfiResetCold, EfiResetWarm, or
906 EfiResetShutdown the data buffer starts with a Null-terminated
907 Unicode string, optionally followed by additional binary data.
912 (EFIAPI
*EFI_RESET_SYSTEM
) (
913 IN EFI_RESET_TYPE ResetType
,
914 IN EFI_STATUS ResetStatus
,
916 IN CHAR16
*ResetData OPTIONAL
920 Returns a monotonically increasing count for the platform.
922 @param Count Pointer to returned value.
924 @retval EFI_SUCCESS The next monotonic count was returned.
925 @retval EFI_INVALID_PARAMETER Count is NULL.
926 @retval EFI_DEVICE_ERROR The device is not functioning properly.
931 (EFIAPI
*EFI_GET_NEXT_MONOTONIC_COUNT
) (
936 Returns the next high 32 bits of the platform's monotonic counter.
938 @param HighCount Pointer to returned value.
940 @retval EFI_SUCCESS The next high monotonic count was returned.
941 @retval EFI_INVALID_PARAMETER HighCount is NULL.
942 @retval EFI_DEVICE_ERROR The device is not functioning properly.
947 (EFIAPI
*EFI_GET_NEXT_HIGH_MONO_COUNT
) (
948 OUT UINT32
*HighCount
952 Computes and returns a 32-bit CRC for a data buffer.
954 @param Data A pointer to the buffer on which the 32-bit CRC is to be computed.
955 @param DataSize The number of bytes in the buffer Data.
956 @param Crc32 The 32-bit CRC that was computed for the data buffer specified by Data
959 @retval EFI_SUCCESS The 32-bit CRC was computed for the data buffer and returned in
961 @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
966 (EFIAPI
*EFI_CALCULATE_CRC32
) (
973 Copies the contents of one buffer to another buffer.
975 @param Destination Pointer to the destination buffer of the memory copy.
976 @param Source Pointer to the source buffer of the memory copy.
977 @param Length Number of bytes to copy from Source to Destination.
982 (EFIAPI
*EFI_COPY_MEM
) (
983 IN VOID
*Destination
,
989 The SetMem() function fills a buffer with a specified value.
991 @param Buffer Pointer to the buffer to fill.
992 @param Size Number of bytes in Buffer to fill.
993 @param Value Value to fill Buffer with.
998 (EFIAPI
*EFI_SET_MEM
) (
1006 // Protocol handler functions
1009 EFI_NATIVE_INTERFACE
1010 } EFI_INTERFACE_TYPE
;
1013 Installs a protocol interface on a device handle. If the handle does not exist, it is created and added
1014 to the list of handles in the system. InstallMultipleProtocolInterfaces() performs
1015 more error checking than InstallProtocolInterface(), so it is recommended that
1016 InstallMultipleProtocolInterfaces() be used in place of
1017 InstallProtocolInterface()
1019 @param Handle A pointer to the EFI_HANDLE on which the interface is to be installed.
1020 @param Protocol The numeric ID of the protocol interface.
1021 @param InterfaceType Indicates whether Interface is supplied in native form.
1022 @param Interface A pointer to the protocol interface.
1024 @retval EFI_SUCCESS The protocol interface was installed.
1025 @retval EFI_OUT_OF_RESOURCES Space for a new handle could not be allocated.
1026 @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
1031 (EFIAPI
*EFI_INSTALL_PROTOCOL_INTERFACE
) (
1032 IN OUT EFI_HANDLE
*Handle
,
1033 IN EFI_GUID
*Protocol
,
1034 IN EFI_INTERFACE_TYPE InterfaceType
,
1039 Installs one or more protocol interfaces into the boot services environment.
1041 @param Handle The handle to install the new protocol interfaces on, or NULL if a new
1042 handle is to be allocated.
1043 @param ... A variable argument list containing pairs of protocol GUIDs and protocol
1046 @retval EFI_SUCCESS All the protocol interface was installed.
1047 @retval EFI_OUT_OF_RESOURCES There was not enough memory in pool to install all the protocols.
1048 @retval EFI_ALREADY_STARTED A Device Path Protocol instance was passed in that is already present in
1049 the handle database.
1054 (EFIAPI
*EFI_INSTALL_MULTIPLE_PROTOCOL_INTERFACES
) (
1055 IN OUT EFI_HANDLE
*Handle
,
1060 Reinstalls a protocol interface on a device handle.
1062 @param Handle Handle on which the interface is to be reinstalled.
1063 @param Protocol The numeric ID of the interface.
1064 @param OldInterface A pointer to the old interface. NULL can be used if a structure is not
1065 associated with Protocol.
1066 @param NewInterface A pointer to the new interface.
1068 @retval EFI_SUCCESS The protocol interface was reinstalled.
1069 @retval EFI_NOT_FOUND The OldInterface on the handle was not found.
1070 @retval EFI_ACCESS_DENIED The protocol interface could not be reinstalled,
1071 because OldInterface is still being used by a
1072 driver that will not release it.
1073 @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
1078 (EFIAPI
*EFI_REINSTALL_PROTOCOL_INTERFACE
) (
1079 IN EFI_HANDLE Handle
,
1080 IN EFI_GUID
*Protocol
,
1081 IN VOID
*OldInterface
,
1082 IN VOID
*NewInterface
1086 Removes a protocol interface from a device handle. It is recommended that
1087 UninstallMultipleProtocolInterfaces() be used in place of
1088 UninstallProtocolInterface().
1090 @param Handle The handle on which the interface was installed.
1091 @param Protocol The numeric ID of the interface.
1092 @param Interface A pointer to the interface.
1094 @retval EFI_SUCCESS The interface was removed.
1095 @retval EFI_NOT_FOUND The interface was not found.
1096 @retval EFI_ACCESS_DENIED The interface was not removed because the interface
1097 is still being used by a driver.
1098 @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
1103 (EFIAPI
*EFI_UNINSTALL_PROTOCOL_INTERFACE
) (
1104 IN EFI_HANDLE Handle
,
1105 IN EFI_GUID
*Protocol
,
1110 Removes one or more protocol interfaces into the boot services environment.
1112 @param Handle The handle to remove the protocol interfaces from.
1113 @param ... A variable argument list containing pairs of protocol GUIDs and
1114 protocol interfaces.
1116 @retval EFI_SUCCESS All the protocol interfaces were removed.
1117 @retval EFI_INVALID_PARAMETER One of the protocol interfaces was not previously installed on Handle.
1122 (EFIAPI
*EFI_UNINSTALL_MULTIPLE_PROTOCOL_INTERFACES
) (
1123 IN EFI_HANDLE Handle
,
1128 Queries a handle to determine if it supports a specified protocol.
1130 @param Handle The handle being queried.
1131 @param Protocol The published unique identifier of the protocol.
1132 @param Interface Supplies the address where a pointer to the corresponding Protocol
1133 Interface is returned.
1134 @retval EFI_SUCCESS The interface information for the specified protocol was returned.
1135 @retval EFI_UNSUPPORTED The device does not support the specified protocol.
1136 @retval EFI_INVALID_PARAMETER One of the protocol interfaces was not previously installed on Handle.
1141 (EFIAPI
*EFI_HANDLE_PROTOCOL
) (
1142 IN EFI_HANDLE Handle
,
1143 IN EFI_GUID
*Protocol
,
1144 OUT VOID
**Interface
1147 #define EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL 0x00000001
1148 #define EFI_OPEN_PROTOCOL_GET_PROTOCOL 0x00000002
1149 #define EFI_OPEN_PROTOCOL_TEST_PROTOCOL 0x00000004
1150 #define EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER 0x00000008
1151 #define EFI_OPEN_PROTOCOL_BY_DRIVER 0x00000010
1152 #define EFI_OPEN_PROTOCOL_EXCLUSIVE 0x00000020
1155 Queries a handle to determine if it supports a specified protocol. If the protocol is supported by the
1156 handle, it opens the protocol on behalf of the calling agent.
1158 @param Handle The handle for the protocol interface that is being opened.
1159 @param Protocol The published unique identifier of the protocol.
1160 @param Interface Supplies the address where a pointer to the corresponding Protocol
1161 Interface is returned.
1162 @param AgentHandle The handle of the agent that is opening the protocol interface
1163 specified by Protocol and Interface.
1164 @param ControllerHandle If the agent that is opening a protocol is a driver that follows the
1165 UEFI Driver Model, then this parameter is the controller handle
1166 that requires the protocol interface. If the agent does not follow
1167 the UEFI Driver Model, then this parameter is optional and may
1169 @param Attributes The open mode of the protocol interface specified by Handle
1172 @retval EFI_SUCCESS An item was added to the open list for the protocol interface, and the
1173 protocol interface was returned in Interface.
1174 @retval EFI_UNSUPPORTED Handle does not support Protocol.
1175 @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
1176 @retval EFI_ACCESS_DENIED Required attributes can't be supported in current environment.
1177 @retval EFI_ALREADY_STARTED Item on the open list already has requierd attributes whose agent
1178 handle is the same as AgentHandle.
1183 (EFIAPI
*EFI_OPEN_PROTOCOL
) (
1184 IN EFI_HANDLE Handle
,
1185 IN EFI_GUID
*Protocol
,
1186 OUT VOID
**Interface
,
1187 IN EFI_HANDLE AgentHandle
,
1188 IN EFI_HANDLE ControllerHandle
, OPTIONAL
1189 IN UINT32 Attributes
1194 Closes a protocol on a handle that was opened using OpenProtocol().
1196 @param Handle The handle for the protocol interface that was previously opened
1197 with OpenProtocol(), and is now being closed.
1198 @param Protocol The published unique identifier of the protocol.
1199 @param Interface Supplies the address where a pointer to the corresponding Protocol
1200 Interface is returned.
1201 @param AgentHandle The handle of the agent that is closing the protocol interface.
1202 @param ControllerHandle If the agent that opened a protocol is a driver that follows the
1203 UEFI Driver Model, then this parameter is the controller handle
1204 that required the protocol interface.
1206 @retval EFI_SUCCESS The protocol instance was closed.
1207 @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
1208 @retval EFI_NOT_FOUND 1) Handle does not support the protocol specified by Protocol.
1209 2) The protocol interface specified by Handle and Protocol is not
1210 currently open by AgentHandle and ControllerHandle.
1215 (EFIAPI
*EFI_CLOSE_PROTOCOL
) (
1216 IN EFI_HANDLE Handle
,
1217 IN EFI_GUID
*Protocol
,
1218 IN EFI_HANDLE AgentHandle
,
1219 IN EFI_HANDLE ControllerHandle
1224 EFI_HANDLE AgentHandle
;
1225 EFI_HANDLE ControllerHandle
;
1228 } EFI_OPEN_PROTOCOL_INFORMATION_ENTRY
;
1231 Retrieves the list of agents that currently have a protocol interface opened.
1233 @param Handle The handle for the protocol interface that is being queried.
1234 @param Protocol The published unique identifier of the protocol.
1235 @param EntryBuffer A pointer to a buffer of open protocol information in the form of
1236 EFI_OPEN_PROTOCOL_INFORMATION_ENTRY structures.
1237 @param EntryCount A pointer to the number of entries in EntryBuffer.
1239 @retval EFI_SUCCESS The open protocol information was returned in EntryBuffer, and the
1240 number of entries was returned EntryCount.
1241 @retval EFI_OUT_OF_RESOURCES There are not enough resources available to allocate EntryBuffer.
1242 @retval EFI_NOT_FOUND Handle does not support the protocol specified by Protocol.
1247 (EFIAPI
*EFI_OPEN_PROTOCOL_INFORMATION
) (
1248 IN EFI_HANDLE Handle
,
1249 IN EFI_GUID
*Protocol
,
1250 IN EFI_OPEN_PROTOCOL_INFORMATION_ENTRY
**EntryBuffer
,
1251 OUT UINTN
*EntryCount
1255 Retrieves the list of protocol interface GUIDs that are installed on a handle in a buffer allocated
1258 @param Handle The handle from which to retrieve the list of protocol interface
1260 @param ProtocolBuffer A pointer to the list of protocol interface GUID pointers that are
1261 installed on Handle.
1262 @param ProtocolBufferCount A pointer to the number of GUID pointers present in
1265 @retval EFI_SUCCESS The list of protocol interface GUIDs installed on Handle was returned in
1266 ProtocolBuffer. The number of protocol interface GUIDs was
1267 returned in ProtocolBufferCount.
1268 @retval EFI_OUT_OF_RESOURCES There is not enough pool memory to store the results.
1269 @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
1274 (EFIAPI
*EFI_PROTOCOLS_PER_HANDLE
) (
1275 IN EFI_HANDLE Handle
,
1276 OUT EFI_GUID
***ProtocolBuffer
,
1277 OUT UINTN
*ProtocolBufferCount
1281 Creates an event that is to be signaled whenever an interface is installed for a specified protocol.
1283 @param Protocol The numeric ID of the protocol for which the event is to be registered.
1284 @param Event Event that is to be signaled whenever a protocol interface is registered
1286 @param Registration A pointer to a memory location to receive the registration value.
1288 @retval EFI_SUCCESS The notification event has been registered.
1289 @retval EFI_OUT_OF_RESOURCES Space for the notification event could not be allocated.
1290 @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
1295 (EFIAPI
*EFI_REGISTER_PROTOCOL_NOTIFY
) (
1296 IN EFI_GUID
*Protocol
,
1298 OUT VOID
**Registration
1306 } EFI_LOCATE_SEARCH_TYPE
;
1309 Returns an array of handles that support a specified protocol.
1311 @param SearchType Specifies which handle(s) are to be returned.
1312 @param Protocol Specifies the protocol to search by.
1313 @param SearchKey Specifies the search key.
1314 @param BufferSize On input, the size in bytes of Buffer. On output, the size in bytes of
1315 the array returned in Buffer (if the buffer was large enough) or the
1316 size, in bytes, of the buffer needed to obtain the array (if the buffer was
1318 @param Buffer The buffer in which the array is returned.
1320 @retval EFI_SUCCESS The array of handles was returned.
1321 @retval EFI_NOT_FOUND No handles match the search.
1322 @retval EFI_BUFFER_TOO_SMALL The BufferSize is too small for the result.
1323 @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
1328 (EFIAPI
*EFI_LOCATE_HANDLE
) (
1329 IN EFI_LOCATE_SEARCH_TYPE SearchType
,
1330 IN EFI_GUID
*Protocol
, OPTIONAL
1331 IN VOID
*SearchKey
, OPTIONAL
1332 IN OUT UINTN
*BufferSize
,
1333 OUT EFI_HANDLE
*Buffer
1337 Locates the handle to a device on the device path that supports the specified protocol.
1339 @param Protocol Specifies the protocol to search for.
1340 @param DevicePath On input, a pointer to a pointer to the device path. On output, the device
1341 path pointer is modified to point to the remaining part of the device
1343 @param Device A pointer to the returned device handle.
1345 @retval EFI_SUCCESS The resulting handle was returned.
1346 @retval EFI_NOT_FOUND No handles match the search.
1347 @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
1352 (EFIAPI
*EFI_LOCATE_DEVICE_PATH
) (
1353 IN EFI_GUID
*Protocol
,
1354 IN OUT EFI_DEVICE_PATH_PROTOCOL
**DevicePath
,
1355 OUT EFI_HANDLE
*Device
1359 Adds, updates, or removes a configuration table entry from the EFI System Table.
1361 @param Guid A pointer to the GUID for the entry to add, update, or remove.
1362 @param Table A pointer to the configuration table for the entry to add, update, or
1363 remove. May be NULL.
1365 @retval EFI_SUCCESS The (Guid, Table) pair was added, updated, or removed.
1366 @retval EFI_NOT_FOUND An attempt was made to delete a nonexistent entry.
1367 @retval EFI_INVALID_PARAMETER Guid is not valid.
1368 @retval EFI_OUT_OF_RESOURCES There is not enough memory available to complete the operation.
1373 (EFIAPI
*EFI_INSTALL_CONFIGURATION_TABLE
) (
1380 Returns an array of handles that support the requested protocol in a buffer allocated from pool.
1382 @param SearchType Specifies which handle(s) are to be returned.
1383 @param Protocol Specifies the protocol to search by.
1384 @param SearchKey Supplies the search key depending on the SearchType.
1385 @param NoHandles The number of handles returned in Buffer.
1386 @param Buffer A pointer to the buffer to return the requested array of handles that
1389 @retval EFI_SUCCESS The array of handles was returned in Buffer, and the number of
1390 handles in Buffer was returned in NoHandles.
1391 @retval EFI_NOT_FOUND No handles match the search.
1392 @retval EFI_OUT_OF_RESOURCES There is not enough pool memory to store the matching results.
1393 @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
1398 (EFIAPI
*EFI_LOCATE_HANDLE_BUFFER
) (
1399 IN EFI_LOCATE_SEARCH_TYPE SearchType
,
1400 IN EFI_GUID
*Protocol
, OPTIONAL
1401 IN VOID
*SearchKey
, OPTIONAL
1402 IN OUT UINTN
*NoHandles
,
1403 OUT EFI_HANDLE
**Buffer
1407 Returns the first protocol instance that matches the given protocol.
1409 @param Protocol Provides the protocol to search for.
1410 @param Registration Optional registration key returned from
1411 RegisterProtocolNotify().
1412 @param Interface On return, a pointer to the first interface that matches Protocol and
1415 @retval EFI_SUCCESS A protocol instance matching Protocol was found and returned in
1417 @retval EFI_NOT_FOUND No protocol instances were found that match Protocol and
1419 @retval EFI_INVALID_PARAMETER Interface is NULL.
1424 (EFIAPI
*EFI_LOCATE_PROTOCOL
) (
1425 IN EFI_GUID
*Protocol
,
1426 IN VOID
*Registration
, OPTIONAL
1427 OUT VOID
**Interface
1433 EFI_PHYSICAL_ADDRESS DataBlock
;
1434 EFI_PHYSICAL_ADDRESS ContinuationPointer
;
1436 } EFI_CAPSULE_BLOCK_DESCRIPTOR
;
1439 EFI_GUID CapsuleGuid
;
1442 UINT32 CapsuleImageSize
;
1443 } EFI_CAPSULE_HEADER
;
1445 #define CAPSULE_FLAGS_PERSIST_ACROSS_RESET 0x00010000
1446 #define CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE 0x00020000
1449 Passes capsules to the firmware with both virtual and physical mapping. Depending on the intended
1450 consumption, the firmware may process the capsule immediately. If the payload should persist
1451 across a system reset, the reset value returned from EFI_QueryCapsuleCapabilities must
1452 be passed into ResetSystem() and will cause the capsule to be processed by the firmware as
1453 part of the reset process.
1455 @param CapsuleHeaderArray Virtual pointer to an array of virtual pointers to the capsules
1456 being passed into update capsule.
1457 @param CapsuleCount Number of pointers to EFI_CAPSULE_HEADER in
1459 @param ScatterGatherList Physical pointer to a set of
1460 EFI_CAPSULE_BLOCK_DESCRIPTOR that describes the
1461 location in physical memory of a set of capsules.
1463 @retval EFI_SUCCESS Valid capsule was passed. If
1464 CAPSULE_FLAGS_PERSIT_ACROSS_RESET is not set, the
1465 capsule has been successfully processed by the firmware.
1466 @retval EFI_DEVICE_ERROR The capsule update was started, but failed due to a device error.
1467 @retval EFI_INVALID_PARAMETER CapsuleSize is NULL.
1472 (EFIAPI
*EFI_UPDATE_CAPSULE
) (
1473 IN EFI_CAPSULE_HEADER
**CapsuleHeaderArray
,
1474 IN UINTN CapsuleCount
,
1475 IN EFI_PHYSICAL_ADDRESS ScatterGatherList OPTIONAL
1479 Returns if the capsule can be supported via UpdateCapsule().
1481 @param CapsuleHeaderArray Virtual pointer to an array of virtual pointers to the capsules
1482 being passed into update capsule.
1483 @param CapsuleCount Number of pointers to EFI_CAPSULE_HEADER in
1485 @param MaxiumCapsuleSize On output the maximum size that UpdateCapsule() can
1486 support as an argument to UpdateCapsule() via
1487 CapsuleHeaderArray and ScatterGatherList.
1488 @param ResetType Returns the type of reset required for the capsule update.
1490 @retval EFI_SUCCESS Valid answer returned.
1491 @retval EFI_UNSUPPORTED The capsule type is not supported on this platform, and
1492 MaximumCapsuleSize and ResetType are undefined.
1493 @retval EFI_INVALID_PARAMETER MaximumCapsuleSize is NULL.
1498 (EFIAPI
*EFI_QUERY_CAPSULE_CAPABILITIES
) (
1499 IN EFI_CAPSULE_HEADER
**CapsuleHeaderArray
,
1500 IN UINTN CapsuleCount
,
1501 OUT UINT64
*MaximumCapsuleSize
,
1502 OUT EFI_RESET_TYPE
*ResetType
1506 Returns information about the EFI variables.
1508 @param Attributes Attributes bitmask to specify the type of variables on
1509 which to return information.
1510 @param MaximumVariableStorageSize On output the maximum size of the storage space
1511 available for the EFI variables associated with the
1512 attributes specified.
1513 @param RemainingVariableStorageSize Returns the remaining size of the storage space
1514 available for the EFI variables associated with the
1515 attributes specified.
1516 @param MaximumVariableSize Returns the maximum size of the individual EFI
1517 variables associated with the attributes specified.
1519 @retval EFI_SUCCESS Valid answer returned.
1520 @retval EFI_INVALID_PARAMETER An invalid combination of attribute bits was supplied
1521 @retval EFI_UNSUPPORTED The attribute is not supported on this platform, and the
1522 MaximumVariableStorageSize,
1523 RemainingVariableStorageSize, MaximumVariableSize
1529 (EFIAPI
*EFI_QUERY_VARIABLE_INFO
) (
1530 IN UINT32 Attributes
,
1531 OUT UINT64
*MaximumVariableStorageSize
,
1532 OUT UINT64
*RemainingVariableStorageSize
,
1533 OUT UINT64
*MaximumVariableSize
1538 // EFI Runtime Services Table
1540 #define EFI_SYSTEM_TABLE_SIGNATURE 0x5453595320494249
1541 #define EFI_SYSTEM_TABLE_REVISION ((2<<16) | (10))
1542 #define EFI_2_10_SYSTEM_TABLE_REVISION ((2<<16) | (10))
1543 #define EFI_2_00_SYSTEM_TABLE_REVISION ((2<<16) | (00))
1544 #define EFI_1_10_SYSTEM_TABLE_REVISION ((1<<16) | (10))
1545 #define EFI_1_02_SYSTEM_TABLE_REVISION ((1<<16) | (02))
1547 #define EFI_RUNTIME_SERVICES_SIGNATURE 0x56524553544e5552
1548 #define EFI_RUNTIME_SERVICES_REVISION EFI_2_10_SYSTEM_TABLE_REVISION
1551 EFI_TABLE_HEADER Hdr
;
1556 EFI_GET_TIME GetTime
;
1557 EFI_SET_TIME SetTime
;
1558 EFI_GET_WAKEUP_TIME GetWakeupTime
;
1559 EFI_SET_WAKEUP_TIME SetWakeupTime
;
1562 // Virtual Memory Services
1564 EFI_SET_VIRTUAL_ADDRESS_MAP SetVirtualAddressMap
;
1565 EFI_CONVERT_POINTER ConvertPointer
;
1568 // Variable Services
1570 EFI_GET_VARIABLE GetVariable
;
1571 EFI_GET_NEXT_VARIABLE_NAME GetNextVariableName
;
1572 EFI_SET_VARIABLE SetVariable
;
1575 // Miscellaneous Services
1577 EFI_GET_NEXT_HIGH_MONO_COUNT GetNextHighMonotonicCount
;
1578 EFI_RESET_SYSTEM ResetSystem
;
1581 // UEFI 2.0 Capsule Services
1583 EFI_UPDATE_CAPSULE UpdateCapsule
;
1584 EFI_QUERY_CAPSULE_CAPABILITIES QueryCapsuleCapabilities
;
1587 // Miscellaneous UEFI 2.0 Service
1589 EFI_QUERY_VARIABLE_INFO QueryVariableInfo
;
1590 } EFI_RUNTIME_SERVICES
;
1593 #define EFI_BOOT_SERVICES_SIGNATURE 0x56524553544f4f42
1594 #define EFI_BOOT_SERVICES_REVISION EFI_2_10_SYSTEM_TABLE_REVISION
1597 EFI_TABLE_HEADER Hdr
;
1600 // Task Priority Services
1602 EFI_RAISE_TPL RaiseTPL
;
1603 EFI_RESTORE_TPL RestoreTPL
;
1608 EFI_ALLOCATE_PAGES AllocatePages
;
1609 EFI_FREE_PAGES FreePages
;
1610 EFI_GET_MEMORY_MAP GetMemoryMap
;
1611 EFI_ALLOCATE_POOL AllocatePool
;
1612 EFI_FREE_POOL FreePool
;
1615 // Event & Timer Services
1617 EFI_CREATE_EVENT CreateEvent
;
1618 EFI_SET_TIMER SetTimer
;
1619 EFI_WAIT_FOR_EVENT WaitForEvent
;
1620 EFI_SIGNAL_EVENT SignalEvent
;
1621 EFI_CLOSE_EVENT CloseEvent
;
1622 EFI_CHECK_EVENT CheckEvent
;
1625 // Protocol Handler Services
1627 EFI_INSTALL_PROTOCOL_INTERFACE InstallProtocolInterface
;
1628 EFI_REINSTALL_PROTOCOL_INTERFACE ReinstallProtocolInterface
;
1629 EFI_UNINSTALL_PROTOCOL_INTERFACE UninstallProtocolInterface
;
1630 EFI_HANDLE_PROTOCOL HandleProtocol
;
1632 EFI_REGISTER_PROTOCOL_NOTIFY RegisterProtocolNotify
;
1633 EFI_LOCATE_HANDLE LocateHandle
;
1634 EFI_LOCATE_DEVICE_PATH LocateDevicePath
;
1635 EFI_INSTALL_CONFIGURATION_TABLE InstallConfigurationTable
;
1640 EFI_IMAGE_LOAD LoadImage
;
1641 EFI_IMAGE_START StartImage
;
1643 EFI_IMAGE_UNLOAD UnloadImage
;
1644 EFI_EXIT_BOOT_SERVICES ExitBootServices
;
1647 // Miscellaneous Services
1649 EFI_GET_NEXT_MONOTONIC_COUNT GetNextMonotonicCount
;
1651 EFI_SET_WATCHDOG_TIMER SetWatchdogTimer
;
1654 // DriverSupport Services
1656 EFI_CONNECT_CONTROLLER ConnectController
;
1657 EFI_DISCONNECT_CONTROLLER DisconnectController
;
1660 // Open and Close Protocol Services
1662 EFI_OPEN_PROTOCOL OpenProtocol
;
1663 EFI_CLOSE_PROTOCOL CloseProtocol
;
1664 EFI_OPEN_PROTOCOL_INFORMATION OpenProtocolInformation
;
1669 EFI_PROTOCOLS_PER_HANDLE ProtocolsPerHandle
;
1670 EFI_LOCATE_HANDLE_BUFFER LocateHandleBuffer
;
1671 EFI_LOCATE_PROTOCOL LocateProtocol
;
1672 EFI_INSTALL_MULTIPLE_PROTOCOL_INTERFACES InstallMultipleProtocolInterfaces
;
1673 EFI_UNINSTALL_MULTIPLE_PROTOCOL_INTERFACES UninstallMultipleProtocolInterfaces
;
1676 // 32-bit CRC Services
1678 EFI_CALCULATE_CRC32 CalculateCrc32
;
1681 // Miscellaneous Services
1683 EFI_COPY_MEM CopyMem
;
1686 EFI_CREATE_EVENT_EX CreateEventEx
;
1687 } EFI_BOOT_SERVICES
;
1690 // Contains a set of GUID/pointer pairs comprised of the ConfigurationTable field in the
1691 // EFI System Table.
1694 EFI_GUID VendorGuid
;
1696 } EFI_CONFIGURATION_TABLE
;
1698 struct _EFI_SYSTEM_TABLE
{
1699 EFI_TABLE_HEADER Hdr
;
1700 CHAR16
*FirmwareVendor
;
1701 UINT32 FirmwareRevision
;
1702 EFI_HANDLE ConsoleInHandle
;
1703 EFI_SIMPLE_TEXT_INPUT_PROTOCOL
*ConIn
;
1704 EFI_HANDLE ConsoleOutHandle
;
1705 EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL
*ConOut
;
1706 EFI_HANDLE StandardErrorHandle
;
1707 EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL
*StdErr
;
1708 EFI_RUNTIME_SERVICES
*RuntimeServices
;
1709 EFI_BOOT_SERVICES
*BootServices
;
1710 UINTN NumberOfTableEntries
;
1711 EFI_CONFIGURATION_TABLE
*ConfigurationTable
;
1715 // EFI File location to boot from on removable media devices
1717 #define EFI_REMOVABLE_MEDIA_FILE_NAME_IA32 L"\\EFI\\BOOT\\BOOTIA32.EFI"
1718 #define EFI_REMOVABLE_MEDIA_FILE_NAME_IA64 L"\\EFI\\BOOT\\BOOTIA64.EFI"
1719 #define EFI_REMOVABLE_MEDIA_FILE_NAME_X64 L"\\EFI\\BOOT\\BOOTX64.EFI"
1720 #define EFI_REMOVABLE_MEDIA_FILE_NAME_EBC L"\\EFI\\BOOT\\BOOTEBC.EFI"
1722 #if defined (MDE_CPU_IA32)
1723 #define EFI_REMOVABLE_MEDIA_FILE_NAME EFI_REMOVABLE_MEDIA_FILE_NAME_IA32
1724 #elif defined (MDE_CPU_IPF)
1725 #define EFI_REMOVABLE_MEDIA_FILE_NAME EFI_REMOVABLE_MEDIA_FILE_NAME_IA64
1726 #elif defined (MDE_CPU_X64)
1727 #define EFI_REMOVABLE_MEDIA_FILE_NAME EFI_REMOVABLE_MEDIA_FILE_NAME_X64
1728 #elif defined (MDE_CPU_EBC)
1729 #define EFI_REMOVABLE_MEDIA_FILE_NAME EFI_REMOVABLE_MEDIA_FILE_NAME_EBC
1731 #error Unknown Processor Type
1734 #include <Uefi/UefiPxe.h>
1735 #include <Uefi/UefiGpt.h>
1736 #include <Uefi/UefiInternalFormRepresentation.h>