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- /** @file
- Provides the parent dispatch service for a given SMI source generator.
- The EFI_SMM_ICHN_DISPATCH_PROTOCOL provides the ability to install child handlers for
- the given event types.
- Copyright (c) 2008 - 2018, Intel Corporation. All rights reserved.<BR>
- SPDX-License-Identifier: BSD-2-Clause-Patent
- @par Revision Reference:
- This Protocol is defined in Framework of EFI SMM Core Interface Spec
- Version 0.9.
- **/
- #ifndef _EFI_SMM_ICHN_DISPATCH_H_
- #define _EFI_SMM_ICHN_DISPATCH_H_
- //
- // Global ID for the ICH SMI Protocol
- //
- #define EFI_SMM_ICHN_DISPATCH_PROTOCOL_GUID \
- { \
- 0xc50b323e, 0x9075, 0x4f2a, {0xac, 0x8e, 0xd2, 0x59, 0x6a, 0x10, 0x85, 0xcc } \
- }
- typedef struct _EFI_SMM_ICHN_DISPATCH_PROTOCOL EFI_SMM_ICHN_DISPATCH_PROTOCOL;
- //
- // Related Definitions
- //
- //
- // ICHN Specific SMIs. These are miscellaneous SMI sources that are supported by the
- // ICHN specific SMI implementation. These may change over time. TrapNumber is only
- // valid if the Type is Trap.
- //
- typedef enum {
- //
- // NOTE: NEVER delete items from this list/enumeration! Doing so will prevent other versions
- // of the code from compiling. If the ICH version your driver is written for doesn't support
- // some of these SMIs, then simply return EFI_UNSUPPORTED when a child/client tries to register
- // for them.
- //
- IchnMch,
- IchnPme,
- IchnRtcAlarm,
- IchnRingIndicate,
- IchnAc97Wake,
- IchnSerialIrq,
- IchnY2KRollover,
- IchnTcoTimeout,
- IchnOsTco,
- IchnNmi,
- IchnIntruderDetect,
- IchnBiosWp,
- IchnMcSmi,
- IchnPmeB0,
- IchnThrmSts,
- IchnSmBus,
- IchnIntelUsb2,
- IchnMonSmi7,
- IchnMonSmi6,
- IchnMonSmi5,
- IchnMonSmi4,
- IchnDevTrap13,
- IchnDevTrap12,
- IchnDevTrap11,
- IchnDevTrap10,
- IchnDevTrap9,
- IchnDevTrap8,
- IchnDevTrap7,
- IchnDevTrap6,
- IchnDevTrap5,
- IchnDevTrap3,
- IchnDevTrap2,
- IchnDevTrap1,
- IchnDevTrap0,
- IchnIoTrap3,
- IchnIoTrap2,
- IchnIoTrap1,
- IchnIoTrap0,
- IchnPciExpress,
- IchnMonitor,
- IchnSpi,
- IchnQRT,
- IchnGpioUnlock,
- //
- // INSERT NEW ITEMS JUST BEFORE THIS LINE
- //
- NUM_ICHN_TYPES // the number of items in this enumeration
- } EFI_SMM_ICHN_SMI_TYPE;
- typedef struct {
- EFI_SMM_ICHN_SMI_TYPE Type;
- } EFI_SMM_ICHN_DISPATCH_CONTEXT;
- //
- // Member functions
- //
- /**
- Dispatch function for a ICHN specific SMI handler.
- @param DispatchHandle The handle of this dispatch function.
- @param DispatchContext The pointer to the dispatch function's context.
- The DispatchContext fields are filled in
- by the dispatching driver prior to
- invoking this dispatch function.
- @return None
- **/
- typedef
- VOID
- (EFIAPI *EFI_SMM_ICHN_DISPATCH)(
- IN EFI_HANDLE DispatchHandle,
- IN EFI_SMM_ICHN_DISPATCH_CONTEXT *DispatchContext
- );
- /**
- Register a child SMI source dispatch function with a parent SMM driver.
- @param This The pointer to the EFI_SMM_ICHN_DISPATCH_PROTOCOL instance.
- @param DispatchFunction The function to install.
- @param DispatchContext The pointer to the dispatch function's context.
- The caller fills in this context before calling
- the register function to indicate to the register
- function the ICHN SMI source for which the dispatch
- function should be invoked.
- @param DispatchHandle The handle generated by the dispatcher to track the function
- instance.
- @retval EFI_SUCCESS The dispatch function has been successfully
- registered and the SMI source has been enabled.
- @retval EFI_DEVICE_ERROR The driver could not enable the SMI source.
- @retval EFI_OUT_OF_RESOURCES Not enough memory (system or SMM) to manage this
- child.
- @retval EFI_INVALID_PARAMETER DispatchContext is invalid. The ICHN input value
- is not within valid range.
- **/
- typedef
- EFI_STATUS
- (EFIAPI *EFI_SMM_ICHN_REGISTER)(
- IN EFI_SMM_ICHN_DISPATCH_PROTOCOL *This,
- IN EFI_SMM_ICHN_DISPATCH DispatchFunction,
- IN EFI_SMM_ICHN_DISPATCH_CONTEXT *DispatchContext,
- OUT EFI_HANDLE *DispatchHandle
- );
- /**
- Unregister a child SMI source dispatch function with a parent SMM driver
- @param This The pointer to the EFI_SMM_ICHN_DISPATCH_PROTOCOL instance.
- @param DispatchHandle The handle of the service to remove.
- @retval EFI_SUCCESS The dispatch function has been successfully
- unregistered, and the SMI source has been disabled,
- if there are no other registered child dispatch
- functions for this SMI source.
- @retval EFI_INVALID_PARAMETER The handle is invalid.
- **/
- typedef
- EFI_STATUS
- (EFIAPI *EFI_SMM_ICHN_UNREGISTER)(
- IN EFI_SMM_ICHN_DISPATCH_PROTOCOL *This,
- IN EFI_HANDLE DispatchHandle
- );
- //
- // Interface structure for the SMM ICHN specific SMI Dispatch Protocol
- //
- /**
- Provides the parent dispatch service for a given SMI source generator.
- **/
- struct _EFI_SMM_ICHN_DISPATCH_PROTOCOL {
- EFI_SMM_ICHN_REGISTER Register; ///< Installs a child service to be dispatched by this protocol.
- EFI_SMM_ICHN_UNREGISTER UnRegister; ///< Removes a child service dispatched by this protocol.
- };
- extern EFI_GUID gEfiSmmIchnDispatchProtocolGuid;
- #endif
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