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Diffstat (limited to 'contrib/syslinux-4.02/gpxe/src/include/gpxe/efi/Uefi/UefiSpec.h')
| -rw-r--r-- | contrib/syslinux-4.02/gpxe/src/include/gpxe/efi/Uefi/UefiSpec.h | 1916 |
1 files changed, 1916 insertions, 0 deletions
diff --git a/contrib/syslinux-4.02/gpxe/src/include/gpxe/efi/Uefi/UefiSpec.h b/contrib/syslinux-4.02/gpxe/src/include/gpxe/efi/Uefi/UefiSpec.h new file mode 100644 index 0000000..03e7b6c --- /dev/null +++ b/contrib/syslinux-4.02/gpxe/src/include/gpxe/efi/Uefi/UefiSpec.h @@ -0,0 +1,1916 @@ +/** @file + Include file that supports UEFI. + + This include file must only contain things defined in the UEFI 2.1 specification. + If a code construct is defined in the UEFI 2.1 specification it must be included + by this include file. + + Copyright (c) 2006 - 2008, Intel Corporation + All rights reserved. This program and the accompanying materials + are licensed and made available under the terms and conditions of the BSD License + which accompanies this distribution. The full text of the license may be found at + http://opensource.org/licenses/bsd-license.php + + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, + WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + +**/ + +#ifndef __UEFI_SPEC_H__ +#define __UEFI_SPEC_H__ + +#include <gpxe/efi/Uefi/UefiMultiPhase.h> + +#include <gpxe/efi/Protocol/DevicePath.h> +#include <gpxe/efi/Protocol/SimpleTextIn.h> +#include <gpxe/efi/Protocol/SimpleTextOut.h> + +/// +/// Enumeration of memory allocation. +/// +typedef enum { + AllocateAnyPages, + AllocateMaxAddress, + AllocateAddress, + MaxAllocateType +} EFI_ALLOCATE_TYPE; + +// +// Bit definitions for EFI_TIME.Daylight +// +#define EFI_TIME_ADJUST_DAYLIGHT 0x01 +#define EFI_TIME_IN_DAYLIGHT 0x02 + +/// +/// Value definition for EFI_TIME.TimeZone +/// +#define EFI_UNSPECIFIED_TIMEZONE 0x07FF + +// +// Memory cacheability attributes +// +#define EFI_MEMORY_UC 0x0000000000000001ULL +#define EFI_MEMORY_WC 0x0000000000000002ULL +#define EFI_MEMORY_WT 0x0000000000000004ULL +#define EFI_MEMORY_WB 0x0000000000000008ULL +#define EFI_MEMORY_UCE 0x0000000000000010ULL +// +// Physical memory protection attributes +// +#define EFI_MEMORY_WP 0x0000000000001000ULL +#define EFI_MEMORY_RP 0x0000000000002000ULL +#define EFI_MEMORY_XP 0x0000000000004000ULL +// +// Runtime memory attribute +// +#define EFI_MEMORY_RUNTIME 0x8000000000000000ULL + +/// +/// Memory descriptor version number +/// +#define EFI_MEMORY_DESCRIPTOR_VERSION 1 + +/// +/// Definition of memory descriptor +/// +typedef struct { + UINT32 Type; + EFI_PHYSICAL_ADDRESS PhysicalStart; + EFI_VIRTUAL_ADDRESS VirtualStart; + UINT64 NumberOfPages; + UINT64 Attribute; +} EFI_MEMORY_DESCRIPTOR; + +/// +/// Build macros to find next EFI_MEMORY_DESCRIPTOR. +/// +#define NEXT_MEMORY_DESCRIPTOR(_Ptr, _Size) ((EFI_MEMORY_DESCRIPTOR *) (((UINT8 *) (_Ptr)) + (_Size))) + +/// +/// Declare forward referenced data structures +/// +typedef struct _EFI_SYSTEM_TABLE EFI_SYSTEM_TABLE; + +/** + Allocates memory pages from the system. + + @param Type The type of allocation to perform. + @param MemoryType The type of memory to allocate. + @param Pages The number of contiguous 4 KB pages to allocate. + @param Memory Pointer to a physical address. On input, the way in which the address is + used depends on the value of Type. + + @retval EFI_SUCCESS The requested pages were allocated. + @retval EFI_INVALID_PARAMETER 1) Type is not AllocateAnyPages or + AllocateMaxAddress or AllocateAddress. + 2) MemoryType is in the range + EfiMaxMemoryType..0x7FFFFFFF. + @retval EFI_OUT_OF_RESOURCES The pages could not be allocated. + @retval EFI_NOT_FOUND The requested pages could not be found. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_ALLOCATE_PAGES)( + IN EFI_ALLOCATE_TYPE Type, + IN EFI_MEMORY_TYPE MemoryType, + IN UINTN Pages, + IN OUT EFI_PHYSICAL_ADDRESS *Memory + ); + +/** + Frees memory pages. + + @param Memory The base physical address of the pages to be freed. + @param Pages The number of contiguous 4 KB pages to free. + + @retval EFI_SUCCESS The requested pages were freed. + @retval EFI_INVALID_PARAMETER Memory is not a page-aligned address or Pages is invalid. + @retval EFI_NOT_FOUND The requested memory pages were not allocated with + AllocatePages(). + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_FREE_PAGES)( + IN EFI_PHYSICAL_ADDRESS Memory, + IN UINTN Pages + ); + +/** + Returns the current memory map. + + @param MemoryMapSize A pointer to the size, in bytes, of the MemoryMap buffer. + On input, this is the size of the buffer allocated by the caller. + On output, it is the size of the buffer returned by the firmware if + the buffer was large enough, or the size of the buffer needed to contain + the map if the buffer was too small. + @param MemoryMap A pointer to the buffer in which firmware places the current memory + map. + @param MapKey A pointer to the location in which firmware returns the key for the + current memory map. + @param DescriptorSize A pointer to the location in which firmware returns the size, in bytes, of + an individual EFI_MEMORY_DESCRIPTOR. + @param DescriptorVersion A pointer to the location in which firmware returns the version number + associated with the EFI_MEMORY_DESCRIPTOR. + + @retval EFI_SUCCESS The memory map was returned in the MemoryMap buffer. + @retval EFI_BUFFER_TOO_SMALL The MemoryMap buffer was too small. The current buffer size + needed to hold the memory map is returned in MemoryMapSize. + @retval EFI_INVALID_PARAMETER 1) MemoryMapSize is NULL. + 2) The MemoryMap buffer is not too small and MemoryMap is + NULL. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_GET_MEMORY_MAP)( + IN OUT UINTN *MemoryMapSize, + IN OUT EFI_MEMORY_DESCRIPTOR *MemoryMap, + OUT UINTN *MapKey, + OUT UINTN *DescriptorSize, + OUT UINT32 *DescriptorVersion + ); + +/** + Allocates pool memory. + + @param PoolType The type of pool to allocate. + @param Size The number of bytes to allocate from the pool. + @param Buffer A pointer to a pointer to the allocated buffer if the call succeeds; + undefined otherwise. + + @retval EFI_SUCCESS The requested number of bytes was allocated. + @retval EFI_OUT_OF_RESOURCES The pool requested could not be allocated. + @retval EFI_INVALID_PARAMETER PoolType was invalid. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_ALLOCATE_POOL)( + IN EFI_MEMORY_TYPE PoolType, + IN UINTN Size, + OUT VOID **Buffer + ); + +/** + Returns pool memory to the system. + + @param Buffer Pointer to the buffer to free. + + @retval EFI_SUCCESS The memory was returned to the system. + @retval EFI_INVALID_PARAMETER Buffer was invalid. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_FREE_POOL)( + IN VOID *Buffer + ); + +/** + Changes the runtime addressing mode of EFI firmware from physical to virtual. + + @param MemoryMapSize The size in bytes of VirtualMap. + @param DescriptorSize The size in bytes of an entry in the VirtualMap. + @param DescriptorVersion The version of the structure entries in VirtualMap. + @param VirtualMap An array of memory descriptors which contain new virtual + address mapping information for all runtime ranges. + + @retval EFI_SUCCESS The virtual address map has been applied. + @retval EFI_UNSUPPORTED EFI firmware is not at runtime, or the EFI firmware is already in + virtual address mapped mode. + @retval EFI_INVALID_PARAMETER DescriptorSize or DescriptorVersion is invalid. + @retval EFI_NO_MAPPING A virtual address was not supplied for a range in the memory + map that requires a mapping. + @retval EFI_NOT_FOUND A virtual address was supplied for an address that is not found + in the memory map. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_SET_VIRTUAL_ADDRESS_MAP)( + IN UINTN MemoryMapSize, + IN UINTN DescriptorSize, + IN UINT32 DescriptorVersion, + IN EFI_MEMORY_DESCRIPTOR *VirtualMap + ); + +/** + Connects one or more drivers to a controller. + + @param ControllerHandle The handle of the controller to which driver(s) are to be connected. + @param DriverImageHandle A pointer to an ordered list handles that support the + EFI_DRIVER_BINDING_PROTOCOL. + @param RemainingDevicePath A pointer to the device path that specifies a child of the + controller specified by ControllerHandle. + @param Recursive If TRUE, then ConnectController() is called recursively + until the entire tree of controllers below the controller specified + by ControllerHandle have been created. If FALSE, then + the tree of controllers is only expanded one level. + + @retval EFI_SUCCESS 1) One or more drivers were connected to ControllerHandle. + 2) No drivers were connected to ControllerHandle, but + RemainingDevicePath is not NULL, and it is an End Device + Path Node. + @retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE. + @retval EFI_NOT_FOUND 1) There are no EFI_DRIVER_BINDING_PROTOCOL instances + present in the system. + 2) No drivers were connected to ControllerHandle. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_CONNECT_CONTROLLER)( + IN EFI_HANDLE ControllerHandle, + IN EFI_HANDLE *DriverImageHandle, OPTIONAL + IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath, OPTIONAL + IN BOOLEAN Recursive + ); + +/** + Disconnects one or more drivers from a controller. + + @param ControllerHandle The handle of the controller from which driver(s) are to be disconnected. + @param DriverImageHandle The driver to disconnect from ControllerHandle. + If DriverImageHandle is NULL, then all the drivers currently managing + ControllerHandle are disconnected from ControllerHandle. + @param ChildHandle The handle of the child to destroy. + If ChildHandle is NULL, then all the children of ControllerHandle are + destroyed before the drivers are disconnected from ControllerHandle. + + @retval EFI_SUCCESS 1) One or more drivers were disconnected from the controller. + 2) On entry, no drivers are managing ControllerHandle. + 3) DriverImageHandle is not NULL, and on entry + DriverImageHandle is not managing ControllerHandle. + @retval EFI_INVALID_PARAMETER 1) ControllerHandle is not a valid EFI_HANDLE. + 2) DriverImageHandle is not NULL, and it is not a valid EFI_HANDLE. + 3) ChildHandle is not NULL, and it is not a valid EFI_HANDLE. + 4) DriverImageHandle does not support the EFI_DRIVER_BINDING_PROTOCOL. + @retval EFI_OUT_OF_RESOURCES There are not enough resources available to disconnect any drivers from + ControllerHandle. + @retval EFI_DEVICE_ERROR The controller could not be disconnected because of a device error. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_DISCONNECT_CONTROLLER)( + IN EFI_HANDLE ControllerHandle, + IN EFI_HANDLE DriverImageHandle, OPTIONAL + IN EFI_HANDLE ChildHandle OPTIONAL + ); + + + +// +// ConvertPointer DebugDisposition type. +// +#define EFI_OPTIONAL_PTR 0x00000001 +#define EFI_OPTIONAL_POINTER EFI_OPTIONAL_PTR + +/** + Determines the new virtual address that is to be used on subsequent memory accesses. + + @param DebugDisposition Supplies type information for the pointer being converted. + @param Address A pointer to a pointer that is to be fixed to be the value needed + for the new virtual address mappings being applied. + + @retval EFI_SUCCESS The pointer pointed to by Address was modified. + @retval EFI_INVALID_PARAMETER 1) Address is NULL. + 2) *Address is NULL and DebugDisposition does + not have the EFI_OPTIONAL_PTR bit set. + @retval EFI_NOT_FOUND The pointer pointed to by Address was not found to be part + of the current memory map. This is normally fatal. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_CONVERT_POINTER)( + IN UINTN DebugDisposition, + IN OUT VOID **Address + ); + + +// +// These types can be ORed together as needed - for example, +// EVT_TIMER might be Ored with EVT_NOTIFY_WAIT or +// EVT_NOTIFY_SIGNAL. +// +#define EVT_TIMER 0x80000000 +#define EVT_RUNTIME 0x40000000 +#define EVT_NOTIFY_WAIT 0x00000100 +#define EVT_NOTIFY_SIGNAL 0x00000200 + +#define EVT_SIGNAL_EXIT_BOOT_SERVICES 0x00000201 +#define EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE 0x60000202 + +// +// The event's NotifyContext pointer points to a runtime memory +// address. +// The event is deprecated in UEFI2.0 and later specifications. +// +#define EVT_RUNTIME_CONTEXT 0x20000000 + + +/** + Invoke a notification event + + @param Event Event whose notification function is being invoked. + @param Context Pointer to the notification function's context, + which is implementation-dependent. + +**/ +typedef +VOID +(EFIAPI *EFI_EVENT_NOTIFY)( + IN EFI_EVENT Event, + IN VOID *Context + ); + +/** + Creates an event. + + @param Type The type of event to create and its mode and attributes. + @param NotifyTpl The task priority level of event notifications, if needed. + @param NotifyFunction Pointer to the event's notification function, if any. + @param NotifyContext Pointer to the notification function's context; corresponds to parameter + Context in the notification function. + @param Event Pointer to the newly created event if the call succeeds; undefined + otherwise. + + @retval EFI_SUCCESS The event structure was created. + @retval EFI_INVALID_PARAMETER One or more parameters are invalid. + @retval EFI_OUT_OF_RESOURCES The event could not be allocated. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_CREATE_EVENT)( + IN UINT32 Type, + IN EFI_TPL NotifyTpl, + IN EFI_EVENT_NOTIFY NotifyFunction, + IN VOID *NotifyContext, + OUT EFI_EVENT *Event + ); + +/** + Creates an event in a group. + + @param Type The type of event to create and its mode and attributes. + @param NotifyTpl The task priority level of event notifications,if needed. + @param NotifyFunction Pointer to the event's notification function, if any. + @param NotifyContext Pointer to the notification function's context; corresponds to parameter + Context in the notification function. + @param EventGroup Pointer to the unique identifier of the group to which this event belongs. + If this is NULL, then the function behaves as if the parameters were passed + to CreateEvent. + @param Event Pointer to the newly created event if the call succeeds; undefined + otherwise. + + @retval EFI_SUCCESS The event structure was created. + @retval EFI_INVALID_PARAMETER One or more parameters are invalid. + @retval EFI_OUT_OF_RESOURCES The event could not be allocated. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_CREATE_EVENT_EX)( + IN UINT32 Type, + IN EFI_TPL NotifyTpl, + IN EFI_EVENT_NOTIFY NotifyFunction OPTIONAL, + IN CONST VOID *NotifyContext OPTIONAL, + IN CONST EFI_GUID *EventGroup OPTIONAL, + OUT EFI_EVENT *Event + ); + +/// +/// Timer delay types +/// +typedef enum { + TimerCancel, + TimerPeriodic, + TimerRelative +} EFI_TIMER_DELAY; + +/** + Sets the type of timer and the trigger time for a timer event. + + @param Event The timer event that is to be signaled at the specified time. + @param Type The type of time that is specified in TriggerTime. + @param TriggerTime The number of 100ns units until the timer expires. + A TriggerTime of 0 is legal. + If Type is TimerRelative and TriggerTime is 0, then the timer + event will be signaled on the next timer tick. + If Type is TimerPeriodic and TriggerTime is 0, then the timer + event will be signaled on every timer tick. + + @retval EFI_SUCCESS The event has been set to be signaled at the requested time. + @retval EFI_INVALID_PARAMETER Event or Type is not valid. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_SET_TIMER)( + IN EFI_EVENT Event, + IN EFI_TIMER_DELAY Type, + IN UINT64 TriggerTime + ); + +/** + Signals an event. + + @param Event The event to signal. + + @retval EFI_SUCCESS The event has been signaled. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_SIGNAL_EVENT)( + IN EFI_EVENT Event + ); + +/** + Stops execution until an event is signaled. + + @param NumberOfEvents The number of events in the Event array. + @param Event An array of EFI_EVENT. + @param Index Pointer to the index of the event which satisfied the wait condition. + + @retval EFI_SUCCESS The event indicated by Index was signaled. + @retval EFI_INVALID_PARAMETER 1) NumberOfEvents is 0. + 2) The event indicated by Index is of type + EVT_NOTIFY_SIGNAL. + @retval EFI_UNSUPPORTED The current TPL is not TPL_APPLICATION. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_WAIT_FOR_EVENT)( + IN UINTN NumberOfEvents, + IN EFI_EVENT *Event, + OUT UINTN *Index + ); + +/** + Closes an event. + + @param Event The event to close. + + @retval EFI_SUCCESS The event has been closed. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_CLOSE_EVENT)( + IN EFI_EVENT Event + ); + +/** + Checks whether an event is in the signaled state. + + @param Event The event to check. + + @retval EFI_SUCCESS The event is in the signaled state. + @retval EFI_NOT_READY The event is not in the signaled state. + @retval EFI_INVALID_PARAMETER Event is of type EVT_NOTIFY_SIGNAL. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_CHECK_EVENT)( + IN EFI_EVENT Event + ); + + +// +// Task priority level +// +#define TPL_APPLICATION 4 +#define TPL_CALLBACK 8 +#define TPL_NOTIFY 16 +#define TPL_HIGH_LEVEL 31 + + +/** + Raises a task's priority level and returns its previous level. + + @param NewTpl The new task priority level. + + @return Previous task priority level + +**/ +typedef +EFI_TPL +(EFIAPI *EFI_RAISE_TPL)( + IN EFI_TPL NewTpl + ); + +/** + Restores a task's priority level to its previous value. + + @param OldTpl The previous task priority level to restore. + +**/ +typedef +VOID +(EFIAPI *EFI_RESTORE_TPL)( + IN EFI_TPL OldTpl + ); + +/** + Returns the value of a variable. + + @param VariableName A Null-terminated Unicode string that is the name of the + vendor's variable. + @param VendorGuid A unique identifier for the vendor. + @param Attributes If not NULL, a pointer to the memory location to return the + attributes bitmask for the variable. + @param DataSize On input, the size in bytes of the return Data buffer. + On output the size of data returned in Data. + @param Data The buffer to return the contents of the variable. + + @retval EFI_SUCCESS The function completed successfully. + @retval EFI_NOT_FOUND The variable was not found. + @retval EFI_BUFFER_TOO_SMALL The DataSize is too small for the result. + @retval EFI_INVALID_PARAMETER VariableName is NULL. + @retval EFI_INVALID_PARAMETER VendorGuid is NULL. + @retval EFI_INVALID_PARAMETER DataSize is NULL. + @retval EFI_INVALID_PARAMETER The DataSize is not too small and Data is NULL. + @retval EFI_DEVICE_ERROR The variable could not be retrieved due to a hardware error. + @retval EFI_SECURITY_VIOLATION The variable could not be retrieved due to an authentication failure. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_GET_VARIABLE)( + IN CHAR16 *VariableName, + IN EFI_GUID *VendorGuid, + OUT UINT32 *Attributes, OPTIONAL + IN OUT UINTN *DataSize, + OUT VOID *Data + ); + +/** + Enumerates the current variable names. + + @param VariableNameSize The size of the VariableName buffer. + @param VariableName On input, supplies the last VariableName that was returned + by GetNextVariableName(). On output, returns the Nullterminated + Unicode string of the current variable. + @param VendorGuid On input, supplies the last VendorGuid that was returned by + GetNextVariableName(). On output, returns the + VendorGuid of the current variable. + + @retval EFI_SUCCESS The function completed successfully. + @retval EFI_NOT_FOUND The next variable was not found. + @retval EFI_BUFFER_TOO_SMALL The VariableNameSize is too small for the result. + @retval EFI_INVALID_PARAMETER VariableNameSize is NULL. + @retval EFI_INVALID_PARAMETER VariableName is NULL. + @retval EFI_INVALID_PARAMETER VendorGuid is NULL. + @retval EFI_DEVICE_ERROR The variable could not be retrieved due to a hardware error. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_GET_NEXT_VARIABLE_NAME)( + IN OUT UINTN *VariableNameSize, + IN OUT CHAR16 *VariableName, + IN OUT EFI_GUID *VendorGuid + ); + +/** + Sets the value of a variable. + + @param VariableName A Null-terminated Unicode string that is the name of the + vendor's variable. + @param VendorGuid A unique identifier for the vendor. + @param Attributes Attributes bitmask to set for the variable. + @param DataSize The size in bytes of the Data buffer. + @param Data The contents for the variable. + + @retval EFI_SUCCESS The firmware has successfully stored the variable and its data as + defined by the Attributes. + @retval EFI_INVALID_PARAMETER An invalid combination of attribute bits was supplied, or the + DataSize exceeds the maximum allowed. + @retval EFI_INVALID_PARAMETER VariableName is an empty Unicode string. + @retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold the variable and its data. + @retval EFI_DEVICE_ERROR The variable could not be retrieved due to a hardware error. + @retval EFI_WRITE_PROTECTED The variable in question is read-only. + @retval EFI_WRITE_PROTECTED The variable in question cannot be deleted. + @retval EFI_SECURITY_VIOLATION The variable could not be retrieved due to an authentication failure. + @retval EFI_NOT_FOUND The variable trying to be updated or deleted was not found. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_SET_VARIABLE)( + IN CHAR16 *VariableName, + IN EFI_GUID *VendorGuid, + IN UINT32 Attributes, + IN UINTN DataSize, + IN VOID *Data + ); + + +/// +/// This provides the capabilities of the +/// real time clock device as exposed through the EFI interfaces. +/// +typedef struct { + UINT32 Resolution; + UINT32 Accuracy; + BOOLEAN SetsToZero; +} EFI_TIME_CAPABILITIES; + +/** + Returns the current time and date information, and the time-keeping capabilities + of the hardware platform. + + @param Time A pointer to storage to receive a snapshot of the current time. + @param Capabilities An optional pointer to a buffer to receive the real time clock + device's capabilities. + + @retval EFI_SUCCESS The operation completed successfully. + @retval EFI_INVALID_PARAMETER Time is NULL. + @retval EFI_DEVICE_ERROR The time could not be retrieved due to hardware error. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_GET_TIME)( + OUT EFI_TIME *Time, + OUT EFI_TIME_CAPABILITIES *Capabilities OPTIONAL + ); + +/** + Sets the current local time and date information. + + @param Time A pointer to the current time. + + @retval EFI_SUCCESS The operation completed successfully. + @retval EFI_INVALID_PARAMETER A time field is out of range. + @retval EFI_DEVICE_ERROR The time could not be set due due to hardware error. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_SET_TIME)( + IN EFI_TIME *Time + ); + +/** + Returns the current wakeup alarm clock setting. + + @param Enabled Indicates if the alarm is currently enabled or disabled. + @param Pending Indicates if the alarm signal is pending and requires acknowledgement. + @param Time The current alarm setting. + + @retval EFI_SUCCESS The alarm settings were returned. + @retval EFI_INVALID_PARAMETER Enabled is NULL. + @retval EFI_INVALID_PARAMETER Pending is NULL. + @retval EFI_INVALID_PARAMETER Time is NULL. + @retval EFI_DEVICE_ERROR The wakeup time could not be retrieved due to a hardware error. + @retval EFI_UNSUPPORTED A wakeup timer is not supported on this platform. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_GET_WAKEUP_TIME)( + OUT BOOLEAN *Enabled, + OUT BOOLEAN *Pending, + OUT EFI_TIME *Time + ); + +/** + Sets the system wakeup alarm clock time. + + @param Enabled Enable or disable the wakeup alarm. + @param Time If Enable is TRUE, the time to set the wakeup alarm for. + If Enable is FALSE, then this parameter is optional, and may be NULL. + + @retval EFI_SUCCESS If Enable is TRUE, then the wakeup alarm was enabled. If + Enable is FALSE, then the wakeup alarm was disabled. + @retval EFI_INVALID_PARAMETER A time field is out of range. + @retval EFI_DEVICE_ERROR The wakeup time could not be set due to a hardware error. + @retval EFI_UNSUPPORTED A wakeup timer is not supported on this platform. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_SET_WAKEUP_TIME)( + IN BOOLEAN Enable, + IN EFI_TIME *Time OPTIONAL + ); + +/** + This is the declaration of an EFI image entry point. This entry point is + the same for UEFI Applications, UEFI OS Loaders, and UEFI Drivers including + both device drivers and bus drivers. + + @param ImageHandle The firmware allocated handle for the UEFI image. + @param SystemTable A pointer to the EFI System Table. + + @retval EFI_SUCCESS The operation completed successfully. + @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_IMAGE_ENTRY_POINT)( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable + ); + +/** + Loads an EFI image into memory. + + @param BootPolicy If TRUE, indicates that the request originates from the boot + manager, and that the boot manager is attempting to load + FilePath as a boot selection. Ignored if SourceBuffer is + not NULL. + @param ParentImageHandle The caller's image handle. + @param DevicePath The DeviceHandle specific file path from which the image is + loaded. + @param SourceBuffer If not NULL, a pointer to the memory location containing a copy + of the image to be loaded. + @param SourceSize The size in bytes of SourceBuffer. Ignored if SourceBuffer is NULL. + @param ImageHandle Pointer to the returned image handle that is created when the + image is successfully loaded. + + @retval EFI_SUCCESS Image was loaded into memory correctly. + @retval EFI_NOT_FOUND Both SourceBuffer and DevicePath are NULL. + @retval EFI_INVALID_PARAMETER One or more parametes are invalid. + @retval EFI_UNSUPPORTED The image type is not supported. + @retval EFI_OUT_OF_RESOURCES Image was not loaded due to insufficient resources. + @retval EFI_LOAD_ERROR Image was not loaded because the image format was corrupt or not + understood. + @retval EFI_DEVICE_ERROR Image was not loaded because the device returned a read error. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_IMAGE_LOAD)( + IN BOOLEAN BootPolicy, + IN EFI_HANDLE ParentImageHandle, + IN EFI_DEVICE_PATH_PROTOCOL *DevicePath, + IN VOID *SourceBuffer OPTIONAL, + IN UINTN SourceSize, + OUT EFI_HANDLE *ImageHandle + ); + +/** + Transfers control to a loaded image's entry point. + + @param ImageHandle Handle of image to be started. + @param ExitDataSize Pointer to the size, in bytes, of ExitData. + @param ExitData Pointer to a pointer to a data buffer that includes a Null-terminated + Unicode string, optionally followed by additional binary data. + + @retval EFI_INVALID_PARAMETER ImageHandle is either an invalid image handle or the image + has already been initialized with StartImage + @return Exit code from image + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_IMAGE_START)( + IN EFI_HANDLE ImageHandle, + OUT UINTN *ExitDataSize, + OUT CHAR16 **ExitData OPTIONAL + ); + +/** + Terminates a loaded EFI image and returns control to boot services. + + @param ImageHandle Handle that identifies the image. + @param ExitStatus The image's exit code. + @param ExitDataSize The size, in bytes, of ExitData. + @param ExitData Pointer to a data buffer that includes a Null-terminated Unicode string, + optionally followed by additional binary data. + + @retval EFI_SUCCESS The image specified by ImageHandle was unloaded. + @retval EFI_INVALID_PARAMETER The image specified by ImageHandle has been loaded and + started with LoadImage() and StartImage(), but the + image is not the currently executing image. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_EXIT)( + IN EFI_HANDLE ImageHandle, + IN EFI_STATUS ExitStatus, + IN UINTN ExitDataSize, + IN CHAR16 *ExitData OPTIONAL + ); + +/** + Unloads an image. + + @param ImageHandle Handle that identifies the image to be unloaded. + + @retval EFI_SUCCESS The image has been unloaded. + @retval EFI_INVALID_PARAMETER ImageHandle is not a valid image handle. + @retval EFI_UNSUPPORTED The image has been started, and does not support unload. + @return Exit code from the image's unload handler + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_IMAGE_UNLOAD)( + IN EFI_HANDLE ImageHandle + ); + +/** + Terminates all boot services. + + @param ImageHandle Handle that identifies the exiting image. + @param MapKey Key to the latest memory map. + + @retval EFI_SUCCESS Boot services have been terminated. + @retval EFI_INVALID_PARAMETER MapKey is incorrect. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_EXIT_BOOT_SERVICES)( + IN EFI_HANDLE ImageHandle, + IN UINTN MapKey + ); + +/** + Induces a fine-grained stall. + + @param Microseconds The number of microseconds to stall execution. + + @retval EFI_SUCCESS Execution was stalled at least the requested number of + Microseconds. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_STALL)( + IN UINTN Microseconds + ); + +/** + Sets the system's watchdog timer. + + @param Timeout The number of seconds to set the watchdog timer to. + @param WatchdogCode The numeric code to log on a watchdog timer timeout event. + @param DataSize The size, in bytes, of WatchdogData. + @param WatchdogData A data buffer that includes a Null-terminated Unicode string, optionally + followed by additional binary data. + + @retval EFI_SUCCESS The timeout has been set. + @retval EFI_INVALID_PARAMETER The supplied WatchdogCode is invalid. + @retval EFI_UNSUPPORTED The system does not have a watchdog timer. + @retval EFI_DEVICE_ERROR The watch dog timer could not be programmed due to a hardware + error. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_SET_WATCHDOG_TIMER)( + IN UINTN Timeout, + IN UINT64 WatchdogCode, + IN UINTN DataSize, + IN CHAR16 *WatchdogData OPTIONAL + ); + +/// +/// Enumeration of reset types. +/// +typedef enum { + EfiResetCold, + EfiResetWarm, + EfiResetShutdown, + EfiResetUpdate +} EFI_RESET_TYPE; + +/** + Resets the entire platform. + + @param ResetType The type of reset to perform. + @param ResetStatus The status code for the reset. + @param DataSize The size, in bytes, of WatchdogData. + @param ResetData For a ResetType of EfiResetCold, EfiResetWarm, or + EfiResetShutdown the data buffer starts with a Null-terminated + Unicode string, optionally followed by additional binary data. + +**/ +typedef +VOID +(EFIAPI *EFI_RESET_SYSTEM)( + IN EFI_RESET_TYPE ResetType, + IN EFI_STATUS ResetStatus, + IN UINTN DataSize, + IN CHAR16 *ResetData OPTIONAL + ); + +/** + Returns a monotonically increasing count for the platform. + + @param Count Pointer to returned value. + + @retval EFI_SUCCESS The next monotonic count was returned. + @retval EFI_INVALID_PARAMETER Count is NULL. + @retval EFI_DEVICE_ERROR The device is not functioning properly. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_GET_NEXT_MONOTONIC_COUNT)( + OUT UINT64 *Count + ); + +/** + Returns the next high 32 bits of the platform's monotonic counter. + + @param HighCount Pointer to returned value. + + @retval EFI_SUCCESS The next high monotonic count was returned. + @retval EFI_INVALID_PARAMETER HighCount is NULL. + @retval EFI_DEVICE_ERROR The device is not functioning properly. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_GET_NEXT_HIGH_MONO_COUNT)( + OUT UINT32 *HighCount + ); + +/** + Computes and returns a 32-bit CRC for a data buffer. + + @param Data A pointer to the buffer on which the 32-bit CRC is to be computed. + @param DataSize The number of bytes in the buffer Data. + @param Crc32 The 32-bit CRC that was computed for the data buffer specified by Data + and DataSize. + + @retval EFI_SUCCESS The 32-bit CRC was computed for the data buffer and returned in + Crc32. + @retval EFI_INVALID_PARAMETER Data is NULL. + @retval EFI_INVALID_PARAMETER Crc32 is NULL. + @retval EFI_INVALID_PARAMETER DataSize is 0. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_CALCULATE_CRC32)( + IN VOID *Data, + IN UINTN DataSize, + OUT UINT32 *Crc32 + ); + +/** + Copies the contents of one buffer to another buffer. + + @param Destination Pointer to the destination buffer of the memory copy. + @param Source Pointer to the source buffer of the memory copy. + @param Length Number of bytes to copy from Source to Destination. + +**/ +typedef +VOID +(EFIAPI *EFI_COPY_MEM)( + IN VOID *Destination, + IN VOID *Source, + IN UINTN Length + ); + +/** + The SetMem() function fills a buffer with a specified value. + + @param Buffer Pointer to the buffer to fill. + @param Size Number of bytes in Buffer to fill. + @param Value Value to fill Buffer with. + +**/ +typedef +VOID +(EFIAPI *EFI_SET_MEM)( + IN VOID *Buffer, + IN UINTN Size, + IN UINT8 Value + ); + + +// +// Protocol handler functions +// +typedef enum { + EFI_NATIVE_INTERFACE +} EFI_INTERFACE_TYPE; + +/** + Installs a protocol interface on a device handle. If the handle does not exist, it is created and added + to the list of handles in the system. InstallMultipleProtocolInterfaces() performs + more error checking than InstallProtocolInterface(), so it is recommended that + InstallMultipleProtocolInterfaces() be used in place of + InstallProtocolInterface() + + @param Handle A pointer to the EFI_HANDLE on which the interface is to be installed. + @param Protocol The numeric ID of the protocol interface. + @param InterfaceType Indicates whether Interface is supplied in native form. + @param Interface A pointer to the protocol interface. + + @retval EFI_SUCCESS The protocol interface was installed. + @retval EFI_OUT_OF_RESOURCES Space for a new handle could not be allocated. + @retval EFI_INVALID_PARAMETER Handle is NULL. + @retval EFI_INVALID_PARAMETER Protocol is NULL. + @retval EFI_INVALID_PARAMETER InterfaceType is not EFI_NATIVE_INTERFACE. + @retval EFI_INVALID_PARAMETER Protocol is already installed on the handle specified by Handle. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_INSTALL_PROTOCOL_INTERFACE)( + IN OUT EFI_HANDLE *Handle, + IN EFI_GUID *Protocol, + IN EFI_INTERFACE_TYPE InterfaceType, + IN VOID *Interface + ); + +/** + Installs one or more protocol interfaces into the boot services environment. + + @param Handle The handle to install the new protocol interfaces on, or NULL if a new + handle is to be allocated. + @param ... A variable argument list containing pairs of protocol GUIDs and protocol + interfaces. + + @retval EFI_SUCCESS All the protocol interface was installed. + @retval EFI_OUT_OF_RESOURCES There was not enough memory in pool to install all the protocols. + @retval EFI_ALREADY_STARTED A Device Path Protocol instance was passed in that is already present in + the handle database. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_INSTALL_MULTIPLE_PROTOCOL_INTERFACES)( + IN OUT EFI_HANDLE *Handle, + ... + ); + +/** + Reinstalls a protocol interface on a device handle. + + @param Handle Handle on which the interface is to be reinstalled. + @param Protocol The numeric ID of the interface. + @param OldInterface A pointer to the old interface. NULL can be used if a structure is not + associated with Protocol. + @param NewInterface A pointer to the new interface. + + @retval EFI_SUCCESS The protocol interface was reinstalled. + @retval EFI_NOT_FOUND The OldInterface on the handle was not found. + @retval EFI_ACCESS_DENIED The protocol interface could not be reinstalled, + because OldInterface is still being used by a + driver that will not release it. + @retval EFI_INVALID_PARAMETER Handle is not a valid EFI_HANDLE. + @retval EFI_INVALID_PARAMETER Protocol is NULL. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_REINSTALL_PROTOCOL_INTERFACE)( + IN EFI_HANDLE Handle, + IN EFI_GUID *Protocol, + IN VOID *OldInterface, + IN VOID *NewInterface + ); + +/** + Removes a protocol interface from a device handle. It is recommended that + UninstallMultipleProtocolInterfaces() be used in place of + UninstallProtocolInterface(). + + @param Handle The handle on which the interface was installed. + @param Protocol The numeric ID of the interface. + @param Interface A pointer to the interface. + + @retval EFI_SUCCESS The interface was removed. + @retval EFI_NOT_FOUND The interface was not found. + @retval EFI_ACCESS_DENIED The interface was not removed because the interface + is still being used by a driver. + @retval EFI_INVALID_PARAMETER Handle is not a valid EFI_HANDLE. + @retval EFI_INVALID_PARAMETER Protocol is NULL. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_UNINSTALL_PROTOCOL_INTERFACE)( + IN EFI_HANDLE Handle, + IN EFI_GUID *Protocol, + IN VOID *Interface + ); + +/** + Removes one or more protocol interfaces into the boot services environment. + + @param Handle The handle to remove the protocol interfaces from. + @param ... A variable argument list containing pairs of protocol GUIDs and + protocol interfaces. + + @retval EFI_SUCCESS All the protocol interfaces were removed. + @retval EFI_INVALID_PARAMETER One of the protocol interfaces was not previously installed on Handle. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_UNINSTALL_MULTIPLE_PROTOCOL_INTERFACES)( + IN EFI_HANDLE Handle, + ... + ); + +/** + Queries a handle to determine if it supports a specified protocol. + + @param Handle The handle being queried. + @param Protocol The published unique identifier of the protocol. + @param Interface Supplies the address where a pointer to the corresponding Protocol + Interface is returned. + + @retval EFI_SUCCESS The interface information for the specified protocol was returned. + @retval EFI_UNSUPPORTED The device does not support the specified protocol. + @retval EFI_INVALID_PARAMETER Handle is not a valid EFI_HANDLE. + @retval EFI_INVALID_PARAMETER Protocol is NULL. + @retval EFI_INVALID_PARAMETER Interface is NULL. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_HANDLE_PROTOCOL)( + IN EFI_HANDLE Handle, + IN EFI_GUID *Protocol, + OUT VOID **Interface + ); + +#define EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL 0x00000001 +#define EFI_OPEN_PROTOCOL_GET_PROTOCOL 0x00000002 +#define EFI_OPEN_PROTOCOL_TEST_PROTOCOL 0x00000004 +#define EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER 0x00000008 +#define EFI_OPEN_PROTOCOL_BY_DRIVER 0x00000010 +#define EFI_OPEN_PROTOCOL_EXCLUSIVE 0x00000020 + +/** + Queries a handle to determine if it supports a specified protocol. If the protocol is supported by the + handle, it opens the protocol on behalf of the calling agent. + + @param Handle The handle for the protocol interface that is being opened. + @param Protocol The published unique identifier of the protocol. + @param Interface Supplies the address where a pointer to the corresponding Protocol + Interface is returned. + @param AgentHandle The handle of the agent that is opening the protocol interface + specified by Protocol and Interface. + @param ControllerHandle If the agent that is opening a protocol is a driver that follows the + UEFI Driver Model, then this parameter is the controller handle + that requires the protocol interface. If the agent does not follow + the UEFI Driver Model, then this parameter is optional and may + be NULL. + @param Attributes The open mode of the protocol interface specified by Handle + and Protocol. + + @retval EFI_SUCCESS An item was added to the open list for the protocol interface, and the + protocol interface was returned in Interface. + @retval EFI_UNSUPPORTED Handle does not support Protocol. + @retval EFI_INVALID_PARAMETER One or more parameters are invalid. + @retval EFI_ACCESS_DENIED Required attributes can't be supported in current environment. + @retval EFI_ALREADY_STARTED Item on the open list already has requierd attributes whose agent + handle is the same as AgentHandle. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_OPEN_PROTOCOL)( + IN EFI_HANDLE Handle, + IN EFI_GUID *Protocol, + OUT VOID **Interface, OPTIONAL + IN EFI_HANDLE AgentHandle, + IN EFI_HANDLE ControllerHandle, + IN UINT32 Attributes + ); + + +/** + Closes a protocol on a handle that was opened using OpenProtocol(). + + @param Handle The handle for the protocol interface that was previously opened + with OpenProtocol(), and is now being closed. + @param Protocol The published unique identifier of the protocol. + @param AgentHandle The handle of the agent that is closing the protocol interface. + @param ControllerHandle If the agent that opened a protocol is a driver that follows the + UEFI Driver Model, then this parameter is the controller handle + that required the protocol interface. + + @retval EFI_SUCCESS The protocol instance was closed. + @retval EFI_INVALID_PARAMETER 1) Handle is not a valid EFI_HANDLE. + 2) AgentHandle is not a valid EFI_HANDLE. + 3) ControllerHandle is not NULL and ControllerHandle is not a valid EFI_HANDLE. + 4) Protocol is NULL. + @retval EFI_NOT_FOUND 1) Handle does not support the protocol specified by Protocol. + 2) The protocol interface specified by Handle and Protocol is not + currently open by AgentHandle and ControllerHandle. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_CLOSE_PROTOCOL)( + IN EFI_HANDLE Handle, + IN EFI_GUID *Protocol, + IN EFI_HANDLE AgentHandle, + IN EFI_HANDLE ControllerHandle + ); + + +typedef struct { + EFI_HANDLE AgentHandle; + EFI_HANDLE ControllerHandle; + UINT32 Attributes; + UINT32 OpenCount; +} EFI_OPEN_PROTOCOL_INFORMATION_ENTRY; + +/** + Retrieves the list of agents that currently have a protocol interface opened. + + @param Handle The handle for the protocol interface that is being queried. + @param Protocol The published unique identifier of the protocol. + @param EntryBuffer A pointer to a buffer of open protocol information in the form of + EFI_OPEN_PROTOCOL_INFORMATION_ENTRY structures. + @param EntryCount A pointer to the number of entries in EntryBuffer. + + @retval EFI_SUCCESS The open protocol information was returned in EntryBuffer, and the + number of entries was returned EntryCount. + @retval EFI_OUT_OF_RESOURCES There are not enough resources available to allocate EntryBuffer. + @retval EFI_NOT_FOUND Handle does not support the protocol specified by Protocol. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_OPEN_PROTOCOL_INFORMATION)( + IN EFI_HANDLE Handle, + IN EFI_GUID *Protocol, + OUT EFI_OPEN_PROTOCOL_INFORMATION_ENTRY **EntryBuffer, + OUT UINTN *EntryCount + ); + +/** + Retrieves the list of protocol interface GUIDs that are installed on a handle in a buffer allocated + from pool. + + @param Handle The handle from which to retrieve the list of protocol interface + GUIDs. + @param ProtocolBuffer A pointer to the list of protocol interface GUID pointers that are + installed on Handle. + @param ProtocolBufferCount A pointer to the number of GUID pointers present in + ProtocolBuffer. + + @retval EFI_SUCCESS The list of protocol interface GUIDs installed on Handle was returned in + ProtocolBuffer. The number of protocol interface GUIDs was + returned in ProtocolBufferCount. + @retval EFI_OUT_OF_RESOURCES There is not enough pool memory to store the results. + @retval EFI_INVALID_PARAMETER Handle is NULL. + @retval EFI_INVALID_PARAMETER Handle is not a valid EFI_HANDLE. + @retval EFI_INVALID_PARAMETER ProtocolBuffer is NULL. + @retval EFI_INVALID_PARAMETER ProtocolBufferCount is NULL. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_PROTOCOLS_PER_HANDLE)( + IN EFI_HANDLE Handle, + OUT EFI_GUID ***ProtocolBuffer, + OUT UINTN *ProtocolBufferCount + ); + +/** + Creates an event that is to be signaled whenever an interface is installed for a specified protocol. + + @param Protocol The numeric ID of the protocol for which the event is to be registered. + @param Event Event that is to be signaled whenever a protocol interface is registered + for Protocol. + @param Registration A pointer to a memory location to receive the registration value. + + @retval EFI_SUCCESS The notification event has been registered. + @retval EFI_OUT_OF_RESOURCES Space for the notification event could not be allocated. + @retval EFI_INVALID_PARAMETER Protocol is NULL. + @retval EFI_INVALID_PARAMETER Event is NULL. + @retval EFI_INVALID_PARAMETER Registration is NULL. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_REGISTER_PROTOCOL_NOTIFY)( + IN EFI_GUID *Protocol, + IN EFI_EVENT Event, + OUT VOID **Registration + ); + + +typedef enum { + AllHandles, + ByRegisterNotify, + ByProtocol +} EFI_LOCATE_SEARCH_TYPE; + +/** + Returns an array of handles that support a specified protocol. + + @param SearchType Specifies which handle(s) are to be returned. + @param Protocol Specifies the protocol to search by. + @param SearchKey Specifies the search key. + @param BufferSize On input, the size in bytes of Buffer. On output, the size in bytes of + the array returned in Buffer (if the buffer was large enough) or the + size, in bytes, of the buffer needed to obtain the array (if the buffer was + not large enough). + @param Buffer The buffer in which the array is returned. + + @retval EFI_SUCCESS The array of handles was returned. + @retval EFI_NOT_FOUND No handles match the search. + @retval EFI_BUFFER_TOO_SMALL The BufferSize is too small for the result. + @retval EFI_INVALID_PARAMETER SearchType is not a member of EFI_LOCATE_SEARCH_TYPE. + @retval EFI_INVALID_PARAMETER SearchType is ByRegisterNotify and SearchKey is NULL. + @retval EFI_INVALID_PARAMETER SearchType is ByProtocol and Protocol is NULL. + @retval EFI_INVALID_PARAMETER One or more matches are found and BufferSize is NULL. + @retval EFI_INVALID_PARAMETER BufferSize is large enough for the result and Buffer is NULL. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_LOCATE_HANDLE)( + IN EFI_LOCATE_SEARCH_TYPE SearchType, + IN EFI_GUID *Protocol, OPTIONAL + IN VOID *SearchKey, OPTIONAL + IN OUT UINTN *BufferSize, + OUT EFI_HANDLE *Buffer + ); + +/** + Locates the handle to a device on the device path that supports the specified protocol. + + @param Protocol Specifies the protocol to search for. + @param DevicePath On input, a pointer to a pointer to the device path. On output, the device + path pointer is modified to point to the remaining part of the device + path. + @param Device A pointer to the returned device handle. + + @retval EFI_SUCCESS The resulting handle was returned. + @retval EFI_NOT_FOUND No handles match the search. + @retval EFI_INVALID_PARAMETER Protocol is NULL. + @retval EFI_INVALID_PARAMETER DevicePath is NULL. + @retval EFI_INVALID_PARAMETER A handle matched the search and Device is NULL. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_LOCATE_DEVICE_PATH)( + IN EFI_GUID *Protocol, + IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath, + OUT EFI_HANDLE *Device + ); + +/** + Adds, updates, or removes a configuration table entry from the EFI System Table. + + @param Guid A pointer to the GUID for the entry to add, update, or remove. + @param Table A pointer to the configuration table for the entry to add, update, or + remove. May be NULL. + + @retval EFI_SUCCESS The (Guid, Table) pair was added, updated, or removed. + @retval EFI_NOT_FOUND An attempt was made to delete a nonexistent entry. + @retval EFI_INVALID_PARAMETER Guid is not valid. + @retval EFI_OUT_OF_RESOURCES There is not enough memory available to complete the operation. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_INSTALL_CONFIGURATION_TABLE)( + IN EFI_GUID *Guid, + IN VOID *Table + ); + + +/** + Returns an array of handles that support the requested protocol in a buffer allocated from pool. + + @param SearchType Specifies which handle(s) are to be returned. + @param Protocol Provides the protocol to search by. + This parameter is only valid for a SearchType of ByProtocol. + @param SearchKey Supplies the search key depending on the SearchType. + @param NoHandles The number of handles returned in Buffer. + @param Buffer A pointer to the buffer to return the requested array of handles that + support Protocol. + + @retval EFI_SUCCESS The array of handles was returned in Buffer, and the number of + handles in Buffer was returned in NoHandles. + @retval EFI_NOT_FOUND No handles match the search. + @retval EFI_OUT_OF_RESOURCES There is not enough pool memory to store the matching results. + @retval EFI_INVALID_PARAMETER NoHandles is NULL. + @retval EFI_INVALID_PARAMETER Buffer is NULL. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_LOCATE_HANDLE_BUFFER)( + IN EFI_LOCATE_SEARCH_TYPE SearchType, + IN EFI_GUID *Protocol, OPTIONAL + IN VOID *SearchKey, OPTIONAL + IN OUT UINTN *NoHandles, + OUT EFI_HANDLE **Buffer + ); + +/** + Returns the first protocol instance that matches the given protocol. + + @param Protocol Provides the protocol to search for. + @param Registration Optional registration key returned from + RegisterProtocolNotify(). + @param Interface On return, a pointer to the first interface that matches Protocol and + Registration. + + @retval EFI_SUCCESS A protocol instance matching Protocol was found and returned in + Interface. + @retval EFI_NOT_FOUND No protocol instances were found that match Protocol and + Registration. + @retval EFI_INVALID_PARAMETER Interface is NULL. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_LOCATE_PROTOCOL)( + IN EFI_GUID *Protocol, + IN VOID *Registration, OPTIONAL + OUT VOID **Interface + ); + +typedef struct { + UINT64 Length; + union { + EFI_PHYSICAL_ADDRESS DataBlock; + EFI_PHYSICAL_ADDRESS ContinuationPointer; + } Union; +} EFI_CAPSULE_BLOCK_DESCRIPTOR; + +typedef struct { + EFI_GUID CapsuleGuid; + UINT32 HeaderSize; + UINT32 Flags; + UINT32 CapsuleImageSize; +} EFI_CAPSULE_HEADER; + +// +// The EFI System Table entry must point to an array of capsules +// that contain the same CapsuleGuid value. The array must be +// prefixed by a UINT32 that represents the size of the array of capsules. +// +typedef struct { + UINT32 CapsuleArrayNumber; + VOID* CapsulePtr[1]; +} EFI_CAPSULE_TABLE; + +#define CAPSULE_FLAGS_PERSIST_ACROSS_RESET 0x00010000 +#define CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE 0x00020000 + +/** + Passes capsules to the firmware with both virtual and physical mapping. Depending on the intended + consumption, the firmware may process the capsule immediately. If the payload should persist + across a system reset, the reset value returned from EFI_QueryCapsuleCapabilities must + be passed into ResetSystem() and will cause the capsule to be processed by the firmware as + part of the reset process. + + @param CapsuleHeaderArray Virtual pointer to an array of virtual pointers to the capsules + being passed into update capsule. + @param CapsuleCount Number of pointers to EFI_CAPSULE_HEADER in + CaspuleHeaderArray. + @param ScatterGatherList Physical pointer to a set of + EFI_CAPSULE_BLOCK_DESCRIPTOR that describes the + location in physical memory of a set of capsules. + + @retval EFI_SUCCESS Valid capsule was passed. If + CAPSULE_FLAGS_PERSIT_ACROSS_RESET is not set, the + capsule has been successfully processed by the firmware. + @retval EFI_DEVICE_ERROR The capsule update was started, but failed due to a device error. + @retval EFI_INVALID_PARAMETER CapsuleSize is NULL. + @retval EFI_UNSUPPORTED The capsule type is not supported on this platform. + @retval EFI_OUT_OF_RESOURCES There were insufficient resources to process the capsule. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_UPDATE_CAPSULE)( + IN EFI_CAPSULE_HEADER **CapsuleHeaderArray, + IN UINTN CapsuleCount, + IN EFI_PHYSICAL_ADDRESS ScatterGatherList OPTIONAL + ); + +/** + Returns if the capsule can be supported via UpdateCapsule(). + + @param CapsuleHeaderArray Virtual pointer to an array of virtual pointers to the capsules + being passed into update capsule. + @param CapsuleCount Number of pointers to EFI_CAPSULE_HEADER in + CaspuleHeaderArray. + @param MaxiumCapsuleSize On output the maximum size that UpdateCapsule() can + support as an argument to UpdateCapsule() via + CapsuleHeaderArray and ScatterGatherList. + @param ResetType Returns the type of reset required for the capsule update. + + @retval EFI_SUCCESS Valid answer returned. + @retval EFI_UNSUPPORTED The capsule type is not supported on this platform, and + MaximumCapsuleSize and ResetType are undefined. + @retval EFI_INVALID_PARAMETER MaximumCapsuleSize is NULL. + @retval EFI_OUT_OF_RESOURCES There were insufficient resources to process the query request. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_QUERY_CAPSULE_CAPABILITIES)( + IN EFI_CAPSULE_HEADER **CapsuleHeaderArray, + IN UINTN CapsuleCount, + OUT UINT64 *MaximumCapsuleSize, + OUT EFI_RESET_TYPE *ResetType + ); + +/** + Returns information about the EFI variables. + + @param Attributes Attributes bitmask to specify the type of variables on + which to return information. + @param MaximumVariableStorageSize On output the maximum size of the storage space + available for the EFI variables associated with the + attributes specified. + @param RemainingVariableStorageSize Returns the remaining size of the storage space + available for the EFI variables associated with the + attributes specified. + @param MaximumVariableSize Returns the maximum size of the individual EFI + variables associated with the attributes specified. + + @retval EFI_SUCCESS Valid answer returned. + @retval EFI_INVALID_PARAMETER An invalid combination of attribute bits was supplied + @retval EFI_UNSUPPORTED The attribute is not supported on this platform, and the + MaximumVariableStorageSize, + RemainingVariableStorageSize, MaximumVariableSize + are undefined. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_QUERY_VARIABLE_INFO)( + IN UINT32 Attributes, + OUT UINT64 *MaximumVariableStorageSize, + OUT UINT64 *RemainingVariableStorageSize, + OUT UINT64 *MaximumVariableSize + ); + + +// +// EFI Runtime Services Table +// +#define EFI_SYSTEM_TABLE_SIGNATURE 0x5453595320494249ULL +#define EFI_SYSTEM_TABLE_REVISION ((2<<16) | (10)) +#define EFI_2_10_SYSTEM_TABLE_REVISION ((2<<16) | (10)) +#define EFI_2_00_SYSTEM_TABLE_REVISION ((2<<16) | (00)) +#define EFI_1_10_SYSTEM_TABLE_REVISION ((1<<16) | (10)) +#define EFI_1_02_SYSTEM_TABLE_REVISION ((1<<16) | (02)) + +#define EFI_RUNTIME_SERVICES_SIGNATURE 0x56524553544e5552ULL +#define EFI_RUNTIME_SERVICES_REVISION EFI_2_10_SYSTEM_TABLE_REVISION + +/// +/// EFI Runtime Services Table +/// +typedef struct { + /// + /// The table header for the EFI Runtime Services Table. + /// + EFI_TABLE_HEADER Hdr; + + // + // Time Services + // + EFI_GET_TIME GetTime; + EFI_SET_TIME SetTime; + EFI_GET_WAKEUP_TIME GetWakeupTime; + EFI_SET_WAKEUP_TIME SetWakeupTime; + + // + // Virtual Memory Services + // + EFI_SET_VIRTUAL_ADDRESS_MAP SetVirtualAddressMap; + EFI_CONVERT_POINTER ConvertPointer; + + // + // Variable Services + // + EFI_GET_VARIABLE GetVariable; + EFI_GET_NEXT_VARIABLE_NAME GetNextVariableName; + EFI_SET_VARIABLE SetVariable; + + // + // Miscellaneous Services + // + EFI_GET_NEXT_HIGH_MONO_COUNT GetNextHighMonotonicCount; + EFI_RESET_SYSTEM ResetSystem; + + // + // UEFI 2.0 Capsule Services + // + EFI_UPDATE_CAPSULE UpdateCapsule; + EFI_QUERY_CAPSULE_CAPABILITIES QueryCapsuleCapabilities; + + // + // Miscellaneous UEFI 2.0 Service + // + EFI_QUERY_VARIABLE_INFO QueryVariableInfo; +} EFI_RUNTIME_SERVICES; + + +#define EFI_BOOT_SERVICES_SIGNATURE 0x56524553544f4f42ULL +#define EFI_BOOT_SERVICES_REVISION EFI_2_10_SYSTEM_TABLE_REVISION + +/// +/// EFI Boot Services Table +/// +typedef struct { + /// + /// The table header for the EFI Boot Services Table. + /// + EFI_TABLE_HEADER Hdr; + + // + // Task Priority Services + // + EFI_RAISE_TPL RaiseTPL; + EFI_RESTORE_TPL RestoreTPL; + + // + // Memory Services + // + EFI_ALLOCATE_PAGES AllocatePages; + EFI_FREE_PAGES FreePages; + EFI_GET_MEMORY_MAP GetMemoryMap; + EFI_ALLOCATE_POOL AllocatePool; + EFI_FREE_POOL FreePool; + + // + // Event & Timer Services + // + EFI_CREATE_EVENT CreateEvent; + EFI_SET_TIMER SetTimer; + EFI_WAIT_FOR_EVENT WaitForEvent; + EFI_SIGNAL_EVENT SignalEvent; + EFI_CLOSE_EVENT CloseEvent; + EFI_CHECK_EVENT CheckEvent; + + // + // Protocol Handler Services + // + EFI_INSTALL_PROTOCOL_INTERFACE InstallProtocolInterface; + EFI_REINSTALL_PROTOCOL_INTERFACE ReinstallProtocolInterface; + EFI_UNINSTALL_PROTOCOL_INTERFACE UninstallProtocolInterface; + EFI_HANDLE_PROTOCOL HandleProtocol; + VOID *Reserved; + EFI_REGISTER_PROTOCOL_NOTIFY RegisterProtocolNotify; + EFI_LOCATE_HANDLE LocateHandle; + EFI_LOCATE_DEVICE_PATH LocateDevicePath; + EFI_INSTALL_CONFIGURATION_TABLE InstallConfigurationTable; + + // + // Image Services + // + EFI_IMAGE_LOAD LoadImage; + EFI_IMAGE_START StartImage; + EFI_EXIT Exit; + EFI_IMAGE_UNLOAD UnloadImage; + EFI_EXIT_BOOT_SERVICES ExitBootServices; + + // + // Miscellaneous Services + // + EFI_GET_NEXT_MONOTONIC_COUNT GetNextMonotonicCount; + EFI_STALL Stall; + EFI_SET_WATCHDOG_TIMER SetWatchdogTimer; + + // + // DriverSupport Services + // + EFI_CONNECT_CONTROLLER ConnectController; + EFI_DISCONNECT_CONTROLLER DisconnectController; + + // + // Open and Close Protocol Services + // + EFI_OPEN_PROTOCOL OpenProtocol; + EFI_CLOSE_PROTOCOL CloseProtocol; + EFI_OPEN_PROTOCOL_INFORMATION OpenProtocolInformation; + + // + // Library Services + // + EFI_PROTOCOLS_PER_HANDLE ProtocolsPerHandle; + EFI_LOCATE_HANDLE_BUFFER LocateHandleBuffer; + EFI_LOCATE_PROTOCOL LocateProtocol; + EFI_INSTALL_MULTIPLE_PROTOCOL_INTERFACES InstallMultipleProtocolInterfaces; + EFI_UNINSTALL_MULTIPLE_PROTOCOL_INTERFACES UninstallMultipleProtocolInterfaces; + + // + // 32-bit CRC Services + // + EFI_CALCULATE_CRC32 CalculateCrc32; + + // + // Miscellaneous Services + // + EFI_COPY_MEM CopyMem; + EFI_SET_MEM SetMem; + EFI_CREATE_EVENT_EX CreateEventEx; +} EFI_BOOT_SERVICES; + +/// +/// Contains a set of GUID/pointer pairs comprised of the ConfigurationTable field in the +/// EFI System Table. +/// +typedef struct{ + /// + /// The 128-bit GUID value that uniquely identifies the system configuration table. + /// + EFI_GUID VendorGuid; + /// + /// A pointer to the table associated with VendorGuid. + /// + VOID *VendorTable; +} EFI_CONFIGURATION_TABLE; + +/// +/// EFI System Table +/// +struct _EFI_SYSTEM_TABLE { + /// + /// The table header for the EFI System Table. + /// + EFI_TABLE_HEADER Hdr; + /// + /// A pointer to a null terminated Unicode string that identifies + /// the vendor that produces the system firmware for the platform. + /// + CHAR16 *FirmwareVendor; + /// + /// A firmware vendor specific value that identifies the revision + /// of the system firmware for the platform. + /// + UINT32 FirmwareRevision; + /// + /// The handle for the active console input device. + /// + EFI_HANDLE ConsoleInHandle; + /// + /// A pointer to the SIMPLE_INPUT_PROTOCOL interface that is + /// associated with ConsoleInHandle. + /// + EFI_SIMPLE_TEXT_INPUT_PROTOCOL *ConIn; + /// + /// The handle for the active console output device. + /// + EFI_HANDLE ConsoleOutHandle; + /// + /// A pointer to the SIMPLE_TEXT_OUTPUT_PROTOCOL interface + /// that is associated with ConsoleOutHandle. + /// + EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *ConOut; + /// + /// The handle for the active standard error console device. + /// + EFI_HANDLE StandardErrorHandle; + /// + /// A pointer to the SIMPLE_TEXT_OUTPUT_PROTOCOL interface + /// that is associated with StandardErrorHandle. + /// + EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *StdErr; + /// + /// A pointer to the EFI Runtime Services Table. + /// + EFI_RUNTIME_SERVICES *RuntimeServices; + /// + /// A pointer to the EFI Boot Services Table. + /// + EFI_BOOT_SERVICES *BootServices; + /// + /// The number of system configuration tables in the buffer ConfigurationTable. + /// + UINTN NumberOfTableEntries; + /// + /// A pointer to the system configuration tables. + /// The number of entries in the table is NumberOfTableEntries. + /// + EFI_CONFIGURATION_TABLE *ConfigurationTable; +}; + +// +// EFI Load Options Attributes +// +#define LOAD_OPTION_ACTIVE 0x00000001 +#define LOAD_OPTION_FORCE_RECONNECT 0x00000002 +#define LOAD_OPTION_HIDDEN 0x00000008 +#define LOAD_OPTION_CATEGORY 0x00001F00 + +#define LOAD_OPTION_CATEGORY_BOOT 0x00000000 +#define LOAD_OPTION_CATEGORY_APP 0x00000100 + +#define EFI_BOOT_OPTION_SUPPORT_KEY 0x00000001 +#define EFI_BOOT_OPTION_SUPPORT_APP 0x00000002 +#define EFI_BOOT_OPTION_SUPPORT_COUNT 0x00000300 + +typedef union { + struct { + UINT32 Revision : 8; + UINT32 ShiftPressed : 1; + UINT32 ControlPressed : 1; + UINT32 AltPressed : 1; + UINT32 LogoPressed : 1; + UINT32 MenuPressed : 1; + UINT32 SysReqPessed : 1; + UINT32 Reserved : 16; + UINT32 InputKeyCount : 2; + } Options; + UINT32 PackedValue; +} HOT_KEY_EFI_KEY_DATA; + +typedef struct { + HOT_KEY_EFI_KEY_DATA KeyOptions; + UINT32 BootOptionCrc; + UINT16 BootOption; +//EFI_INPUT_KEY Keys[]; +} EFI_KEY_OPTION; + +#define EFI_KEY_OPTION_SHIFT 0x00000001 +#define EFI_KEY_OPTION_CONTROL 0x00000002 +#define EFI_KEY_OPTION_ALT 0x00000004 +#define EFI_KEY_OPTION_LOGO 0x00000008 +#define EFI_KEY_OPTION_MENU 0x00000010 +#define EFI_KEY_OPTION_SYSREQ 0x00000020 +#define EFI_KEY_CODE_COUNT 0x00000300 + + +// +// EFI File location to boot from on removable media devices +// +#define EFI_REMOVABLE_MEDIA_FILE_NAME_IA32 L"\\EFI\\BOOT\\BOOTIA32.EFI" +#define EFI_REMOVABLE_MEDIA_FILE_NAME_IA64 L"\\EFI\\BOOT\\BOOTIA64.EFI" +#define EFI_REMOVABLE_MEDIA_FILE_NAME_X64 L"\\EFI\\BOOT\\BOOTX64.EFI" + +#if defined (MDE_CPU_IA32) + #define EFI_REMOVABLE_MEDIA_FILE_NAME EFI_REMOVABLE_MEDIA_FILE_NAME_IA32 +#elif defined (MDE_CPU_IPF) + #define EFI_REMOVABLE_MEDIA_FILE_NAME EFI_REMOVABLE_MEDIA_FILE_NAME_IA64 +#elif defined (MDE_CPU_X64) + #define EFI_REMOVABLE_MEDIA_FILE_NAME EFI_REMOVABLE_MEDIA_FILE_NAME_X64 +#elif defined (MDE_CPU_EBC) +#else + #error Unknown Processor Type +#endif + +#include <gpxe/efi/Uefi/UefiPxe.h> +#include <gpxe/efi/Uefi/UefiGpt.h> +#include <gpxe/efi/Uefi/UefiInternalFormRepresentation.h> + +#endif |