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added comments per framework spec. 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8734 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
vanjeff 2009-07-03 06:46:14 +00:00
parent e3e7f36a58
commit 9ca1b12e00
3 changed files with 166 additions and 112 deletions
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31
IntelFrameworkPkg/Include/Ppi/Smbus.h
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@ -11,8 +11,6 @@
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
Module Name: Smbus.h
@par Revision Reference: @par Revision Reference:
This PPI is defined in Framework of EFI SmBus PPI spec. This PPI is defined in Framework of EFI SmBus PPI spec.
Version 0.9 Version 0.9
@ -51,7 +49,7 @@ typedef struct _EFI_PEI_SMBUS_PPI EFI_PEI_SMBUS_PPI;
@retval EFI_SUCCESS The last data that was returned from the access @retval EFI_SUCCESS The last data that was returned from the access
matched the poll exit criteria. matched the poll exit criteria.
@retval EFI_CRC_ERROR The checksum is not correct (PEC is incorrect) @retval EFI_CRC_ERROR The checksum is not correct (PEC is incorrect).
@retval EFI_TIMEOUT Timeout expired before the operation was completed. @retval EFI_TIMEOUT Timeout expired before the operation was completed.
Timeout is determined by the SMBus host controller device. Timeout is determined by the SMBus host controller device.
@retval EFI_OUT_OF_RESOURCES The request could not be completed @retval EFI_OUT_OF_RESOURCES The request could not be completed
@ -59,7 +57,7 @@ typedef struct _EFI_PEI_SMBUS_PPI EFI_PEI_SMBUS_PPI;
@retval EFI_DEVICE_ERROR The request was not completed because @retval EFI_DEVICE_ERROR The request was not completed because
a failure reflected in the Host Status Register bit. a failure reflected in the Host Status Register bit.
@retval EFI_INVALID_PARAMETER Operation is not defined in EFI_SMBUS_OPERATION. @retval EFI_INVALID_PARAMETER Operation is not defined in EFI_SMBUS_OPERATION.
Or Length/Buffer is NULL for operations except for EfiSmbusQuickRead and @retval EFI_INVALID_PARAMETER Length/Buffer is NULL for operations except for EfiSmbusQuickRead and
EfiSmbusQuickWrite. Length is outside the range of valid values. EfiSmbusQuickWrite. Length is outside the range of valid values.
@retval EFI_UNSUPPORTED The SMBus operation or PEC is not supported. @retval EFI_UNSUPPORTED The SMBus operation or PEC is not supported.
@retval EFI_BUFFER_TOO_SMALL Buffer is not sufficient for this operation. @retval EFI_BUFFER_TOO_SMALL Buffer is not sufficient for this operation.
@ -88,7 +86,7 @@ EFI_STATUS
@param Data Data of the SMBus host notify command that @param Data Data of the SMBus host notify command that
the caller wants to be called. the caller wants to be called.
@return Status Code @return Status Code returned by callback function.
**/ **/
typedef typedef
@ -144,7 +142,7 @@ EFI_STATUS
@param SmbusDeviceMap The pointer to the device map as enumerated @param SmbusDeviceMap The pointer to the device map as enumerated
by the SMBus controller driver. by the SMBus controller driver.
@retval EFI_SUCCESS The device map was returned correctly in the buffer. @retval EFI_SUCCESS The device map was returned correctly in the buffer.
**/ **/
typedef typedef
@ -157,6 +155,9 @@ EFI_STATUS
); );
/** /**
Allows a device driver to register for a callback when the bus driver detects a state that it needs to
propagate to other PEIMs that are registered for a callback.
The Notify() function registers all the callback functions to allow the The Notify() function registers all the callback functions to allow the
bus driver to call these functions when the SlaveAddress/Data pair happens. bus driver to call these functions when the SlaveAddress/Data pair happens.
@ -169,23 +170,23 @@ EFI_STATUS
@param NotifyFunction The function to call when the bus driver @param NotifyFunction The function to call when the bus driver
detects the SlaveAddress and Data pair. detects the SlaveAddress and Data pair.
@retval EFI_SUCCESS NotifyFunction has been registered. @retval EFI_SUCCESS NotifyFunction has been registered.
**/ **/
typedef typedef
EFI_STATUS EFI_STATUS
(EFIAPI *EFI_PEI_SMBUS_PPI_NOTIFY)( (EFIAPI *EFI_PEI_SMBUS_PPI_NOTIFY)(
IN EFI_PEI_SERVICES **PeiServices, IN EFI_PEI_SERVICES **PeiServices,
IN EFI_PEI_SMBUS_PPI *This, IN EFI_PEI_SMBUS_PPI *This,
IN EFI_SMBUS_DEVICE_ADDRESS SlaveAddress, IN EFI_SMBUS_DEVICE_ADDRESS SlaveAddress,
IN UINTN Data, IN UINTN Data,
IN EFI_PEI_SMBUS_NOTIFY_FUNCTION NotifyFunction IN EFI_PEI_SMBUS_NOTIFY_FUNCTION NotifyFunction
); );
/** ///
Provides the basic I/O interfaces that a PEIM uses to access /// Provides the basic I/O interfaces that a PEIM uses to access
its SMBus controller and the slave devices attached to it. /// its SMBus controller and the slave devices attached to it.
**/ ///
struct _EFI_PEI_SMBUS_PPI { struct _EFI_PEI_SMBUS_PPI {
/// ///
/// Executes the SMBus operation to an SMBus slave device. /// Executes the SMBus operation to an SMBus slave device.

198
IntelFrameworkPkg/Include/Protocol/PciHostBridgeResourceAllocation.h
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@ -1,7 +1,7 @@
/** @file /** @file
This file declares Pci Host Bridge Resource Allocation Protocol which This file declares Pci Host Bridge Resource Allocation Protocol which
Provides the basic interfaces to abstract a PCI host bridge resource allocation. This protocol is Provides the basic interfaces to abstract a PCI host bridge resource allocation.
mandatory if the system includes PCI devices. This protocol is mandatory if the system includes PCI devices.
Copyright (c) 2007 - 2009, Intel Corporation Copyright (c) 2007 - 2009, Intel Corporation
All rights reserved. This program and the accompanying materials All rights reserved. This program and the accompanying materials
@ -52,11 +52,15 @@ typedef struct _EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL EFI_PCI_HOST_BR
typedef UINT64 EFI_RESOURCE_ALLOCATION_STATUS; typedef UINT64 EFI_RESOURCE_ALLOCATION_STATUS;
///
/// The request of this resource type could be fulfilled. /// The request of this resource type could be fulfilled.
///
#define EFI_RESOURCE_SATISFIED 0x0000000000000000ULL #define EFI_RESOURCE_SATISFIED 0x0000000000000000ULL
///
/// The request of this resource type could not be fulfilled for its /// The request of this resource type could not be fulfilled for its
/// absence in the host bridge resource pool. /// absence in the host bridge resource pool.
///
#define EFI_RESOURCE_NOT_SATISFIED 0xFFFFFFFFFFFFFFFFULL #define EFI_RESOURCE_NOT_SATISFIED 0xFFFFFFFFFFFFFFFFULL
// //
@ -118,7 +122,7 @@ typedef enum {
} EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PHASE; } EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PHASE;
/// ///
/// EFI_PCI_CONTROLLER_RESOURCE_ALLOCATION_PHASE /// Definitions of 2 notification points.
/// ///
typedef enum { typedef enum {
/// ///
@ -139,16 +143,25 @@ typedef enum {
} EFI_PCI_CONTROLLER_RESOURCE_ALLOCATION_PHASE; } EFI_PCI_CONTROLLER_RESOURCE_ALLOCATION_PHASE;
/** /**
Enter a certain phase of the PCI enumeration process These are the notifications from the PCI bus driver that it is about to enter a certain phase of the PCI
enumeration process.
@param This The EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL instance @param This Pointer to the EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL
instance.
@param Phase The phase during enumeration @param Phase The phase during enumeration
@retval EFI_SUCCESS Success @retval EFI_SUCCESS The notification was accepted without any errors.
@retval EFI_OUT_OF_RESOURCES If SubmitResources ( ) could not allocate resources @retval EFI_INVALID_PARAMETER The Phase is invalid.
@retval EFI_INVALID_PARAMETER The Phase is invalid @retval EFI_NOT_READY This phase cannot be entered at this time. For example, this error
@retval EFI_NOT_READY This phase cannot be entered at this time is valid for a Phase of EfiPciHostBridgeAllocateResources if
@retval EFI_DEVICE_ERROR SetResources failed due to HW error. SubmitResources() has not been called for one or more
PCI root bridges before this call.
@retval EFI_DEVICE_ERROR Programming failed due to a hardware error. This error is valid for
a Phase of EfiPciHostBridgeSetResources.
@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
This error is valid for a Phase of EfiPciHostBridgeAllocateResources
if the previously submitted resource requests cannot be fulfilled or were only
partially fulfilled
**/ **/
typedef typedef
@ -160,18 +173,19 @@ EFI_STATUS
/** /**
Return the device handle of the next PCI root bridge that is associated with Returns the device handle of the next PCI root bridge that is associated with this host bridge.
this Host Bridge
@param This The EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_ PROTOCOL instance @param This Pointer to the EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL
@param RootBridgeHandle Returns the device handle of the next PCI Root Bridge. instance.
On input, it holds the RootBridgeHandle returned by the most @param RootBridgeHandle Returns the device handle of the next PCI root bridge. On input, it holds the
recent call to GetNextRootBridge().The handle for the first RootBridgeHandle that was returned by the most recent call to
PCI Root Bridge is returned if RootBridgeHandle is NULL on input GetNextRootBridge(). If RootBridgeHandle is NULL on input, the handle
for the first PCI root bridge is returned.
@retval EFI_SUCCESS Success @retval EFI_SUCCESS The requested attribute information was returned.
@retval EFI_INVALID_PARAMETER RootBridgeHandle is invalid @retval EFI_INVALID_PARAMETER RootBridgeHandle is not an EFI_HANDLE that was returned
@retval EFI_NOT_FOUND There are no more PCI root bridge device handles. on a previous call to GetNextRootBridge().
@retval EFI_NOT_FOUND There are no more PCI root bridge device handles.
**/ **/
typedef typedef
@ -183,16 +197,16 @@ EFI_STATUS
/** /**
Returns the attributes of a PCI Root Bridge. Returns the allocation attributes of a PCI root bridge.
@param This The EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_ PROTOCOL instance @param This Pointer to the EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL
@param RootBridgeHandle The device handle of the PCI Root Bridge instance.
that the caller is interested in @param RootBridgeHandle The device handle of the PCI root bridge in which the caller is interested.
@param Attribute The pointer to attributes of the PCI Root Bridge @param Attribute The pointer to attributes of the PCI root bridge.
@retval EFI_SUCCESS Success @retval EFI_SUCCESS The requested attribute information was returned.
@retval EFI_INVALID_PARAMETER RootBridgeHandle is invalid @retval EFI_INVALID_PARAMETER RootBridgeHandle is not a valid root bridge handle.
@retval EFI_INVALID_PARAMETER Attributes is NULL @retval EFI_INVALID_PARAMETER Attributes is NULL.
**/ **/
typedef typedef
@ -205,17 +219,18 @@ EFI_STATUS
/** /**
This is the request from the PCI enumerator to set up Sets up the specified PCI root bridge for the bus enumeration process.
the specified PCI Root Bridge for bus enumeration process.
@param This The EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_ PROTOCOL instance @param This Pointer to the EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL
@param RootBridgeHandle The PCI Root Bridge to be set up instance.
@param Configuration Pointer to the pointer to the PCI bus resource descriptor @param RootBridgeHandle The PCI root bridge to be set up.
@param Configuration Pointer to the pointer to the PCI bus resource descriptor.
@retval EFI_SUCCESS Success @retval EFI_SUCCESS The PCI root bridge was set up and the bus range was returned in
@retval EFI_INVALID_PARAMETER RootBridgeHandle is invalid Configuration.
@retval EFI_DEVICE_ERROR Request failed due to hardware error @retval EFI_INVALID_PARAMETER RootBridgeHandle is not a valid root bridge handle.
@retval EFI_OUT_OF_RESOURCES Request failed due to lack of resources @retval EFI_DEVICE_ERROR Programming failed due to a hardware error.
@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
**/ **/
typedef typedef
@ -228,23 +243,27 @@ EFI_STATUS
/** /**
This function programs the PCI Root Bridge hardware so that Programs the PCI root bridge hardware so that it decodes the specified PCI bus range.
it decodes the specified PCI bus range
@param This The EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_ PROTOCOL instance @param This Pointer to the EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL
@param RootBridgeHandle The PCI Root Bridge whose bus range is to be programmed instance.
@param Configuration The pointer to the PCI bus resource descriptor @param RootBridgeHandle The PCI root bridge whose bus range is to be programmed.
@param Configuration The pointer to the PCI bus resource descriptor..
@retval EFI_SUCCESS Success @retval EFI_SUCCESS The bus range for the PCI root bridge was programmed.
@retval EFI_INVALID_PARAMETER RootBridgeHandle is invalid @retval EFI_INVALID_PARAMETER RootBridgeHandle is not a valid root bridge handle.
@retval EFI_INVALID_PARAMETER Configuration is NULL @retval EFI_INVALID_PARAMETER Configuration is NULL
@retval EFI_INVALID_PARAMETER Configuration does not point to a valid ACPI resource descriptor @retval EFI_INVALID_PARAMETER Configuration does not point to a valid ACPI (2.0 & 3.0)
@retval EFI_INVALID_PARAMETER Configuration contains one or more memory or IO ACPI resource descriptor resource descriptor.
@retval EFI_INVALID_PARAMETER Address Range Minimum or Address Range Length fields in Configuration @retval EFI_INVALID_PARAMETER Configuration does not include a valid ACPI 2.0 bus resource
are invalid for this Root Bridge. descriptor.
@retval EFI_INVALID_PARAMETER Configuration contains one or more invalid ACPI resource descriptor @retval EFI_INVALID_PARAMETER Configuration includes valid ACPI (2.0 & 3.0) resource
@retval EFI_DEVICE_ERROR Request failed due to hardware error descriptors other than bus descriptors.
@retval EFI_OUT_OF_RESOURCES Request failed due to lack of resources @retval EFI_INVALID_PARAMETER Configuration contains one or more invalid ACPI resource
descriptors.
@retval EFI_INVALID_PARAMETER "Address Range Minimum" is invalid for this root bridge.
@retval EFI_INVALID_PARAMETER "Address Range Length" is invalid for this root bridge.
@retval EFI_DEVICE_ERROR Programming failed due to a hardware error.
**/ **/
typedef typedef
@ -257,18 +276,27 @@ EFI_STATUS
/** /**
Submits the I/O and memory resource requirements for the specified PCI Root Bridge Submits the I/O and memory resource requirements for the specified PCI root bridge.
@param This The EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_ PROTOCOL instance @param This Pointer to the EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL
@param RootBridgeHandle The PCI Root Bridge whose I/O and memory resource requirements instance.
are being submitted @param RootBridgeHandle The PCI root bridge whose I/O and memory resource requirements are being
@param Configuration The pointer to the PCI I/O and PCI memory resource descriptor submitted.
@param Configuration The pointer to the PCI I/O and PCI memory resource descriptor.
@retval EFI_SUCCESS Success @retval EFI_SUCCESS The I/O and memory resource requests for a PCI root bridge were
@retval EFI_INVALID_PARAMETER RootBridgeHandle is invalid accepted.
@retval EFI_INVALID_PARAMETER Configuration is NULL @retval EFI_INVALID_PARAMETER RootBridgeHandle is not a valid root bridge handle.
@retval EFI_INVALID_PARAMETER Configuration does not point to a valid ACPI resource descriptor @retval EFI_INVALID_PARAMETER Configuration is NULL.
@retval EFI_INVALID_PARAMETER Configuration includes a resource descriptor of unsupported type @retval EFI_INVALID_PARAMETER Configuration does not point to a valid ACPI (2.0 & 3.0)
resource descriptor.
@retval EFI_INVALID_PARAMETER Configuration includes requests for one or more resource
types that are not supported by this PCI root bridge. This error will
happen if the caller did not combine resources according to
Attributes that were returned by GetAllocAttributes().
@retval EFI_INVALID_PARAMETER "Address Range Maximum" is invalid.
@retval EFI_INVALID_PARAMETER "Address Range Length" is invalid for this PCI root bridge.
@retval EFI_INVALID_PARAMETER "Address Space Granularity" is invalid for this PCI root bridge.
**/ **/
typedef typedef
@ -281,18 +309,17 @@ EFI_STATUS
/** /**
This function returns the proposed resource settings for the specified Returns the proposed resource settings for the specified PCI root bridge.
PCI Root Bridge
@param This The EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_ PROTOCOL instance @param This Pointer to the EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL
@param RootBridgeHandle The PCI Root Bridge handle instance.
@param Configuration The pointer to the pointer to the PCI I/O @param RootBridgeHandle The PCI root bridge handle.
and memory resource descriptor @param Configuration The pointer to the pointer to the PCI I/O and memory resource descriptor.
@retval EFI_SUCCESS Success @retval EFI_SUCCESS The requested parameters were returned.
@retval EFI_INVALID_PARAMETER RootBridgeHandle is invalid @retval EFI_INVALID_PARAMETER RootBridgeHandle is not a valid root bridge handle.
@retval EFI_DEVICE_ERROR Request failed due to hardware error @retval EFI_DEVICE_ERROR Programming failed due to a hardware error.
@retval EFI_OUT_OF_RESOURCES Request failed due to lack of resources @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
**/ **/
typedef typedef
@ -306,17 +333,22 @@ EFI_STATUS
/** /**
This function is called for all the PCI controllers that the PCI Provides the hooks from the PCI bus driver to every PCI controller (device/function) at various
bus driver finds. Can be used to Preprogram the controller. stages of the PCI enumeration process that allow the host bridge driver to preinitialize individual
PCI controllers before enumeration.
@param This The EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_ PROTOCOL instance @param This Pointer to the EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL instance.
@param RootBridgeHandle The PCI Root Bridge handle @param RootBridgeHandle The associated PCI root bridge handle.
@param PciBusAddress Address of the controller on the PCI bus @param PciAddress The address of the PCI device on the PCI bus.
@param Phase The Phase during resource allocation @param Phase The phase of the PCI device enumeration.
@retval EFI_SUCCESS Success @retval EFI_SUCCESS The requested parameters were returned.
@retval EFI_INVALID_PARAMETER RootBridgeHandle is invalid @retval EFI_INVALID_PARAMETER RootBridgeHandle is not a valid root bridge handle.
@retval EFI_DEVICE_ERROR Device pre-initialization failed due to hardware error. @retval EFI_INVALID_PARAMETER Phase is not a valid phase that is defined in
EFI_PCI_CONTROLLER_RESOURCE_ALLOCATION_PHASE.
@retval EFI_DEVICE_ERROR Programming failed due to a hardware error. The PCI enumerator
should not enumerate this device, including its child devices if it is
a PCI-to-PCI bridge.
**/ **/
typedef typedef
@ -328,9 +360,9 @@ EFI_STATUS
IN EFI_PCI_CONTROLLER_RESOURCE_ALLOCATION_PHASE Phase IN EFI_PCI_CONTROLLER_RESOURCE_ALLOCATION_PHASE Phase
); );
/** ///
Provides the basic interfaces to abstract a PCI host bridge resource allocation. /// Provides the basic interfaces to abstract a PCI host bridge resource allocation.
**/ ///
struct _EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL { struct _EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL {
/// ///
/// The notification from the PCI bus enumerator that it is about to enter /// The notification from the PCI bus enumerator that it is about to enter

49
IntelFrameworkPkg/Include/Protocol/PciHotPlugInit.h
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@ -1,5 +1,5 @@
/** @file /** @file
This file declares EFI PCI Hot Plug Init Protocol This file declares EFI PCI Hot Plug Init Protocol.
This protocol provides the necessary functionality to initialize the Hot Plug Controllers (HPCs) and This protocol provides the necessary functionality to initialize the Hot Plug Controllers (HPCs) and
the buses that they control. This protocol also provides information regarding resource padding. the buses that they control. This protocol also provides information regarding resource padding.
@ -12,8 +12,6 @@
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
Module Name: PciHotPlugInit.h
@par Revision Reference: @par Revision Reference:
This protocol is defined in Framework of EFI Hot Plug Pci Initialization Protocol Spec This protocol is defined in Framework of EFI Hot Plug Pci Initialization Protocol Spec
Version 0.9 Version 0.9
@ -25,23 +23,46 @@
#include <PiDxe.h> #include <PiDxe.h>
// ///
// Global ID for the PCI Hot Plug Protocol /// Global ID for the PCI Hot Plug Protocol
// ///
#define EFI_PCI_HOT_PLUG_INIT_PROTOCOL_GUID \ #define EFI_PCI_HOT_PLUG_INIT_PROTOCOL_GUID \
{ 0xaa0e8bc1, 0xdabc, 0x46b0, {0xa8, 0x44, 0x37, 0xb8, 0x16, 0x9b, 0x2b, 0xea } } { 0xaa0e8bc1, 0xdabc, 0x46b0, {0xa8, 0x44, 0x37, 0xb8, 0x16, 0x9b, 0x2b, 0xea } }
typedef struct _EFI_PCI_HOT_PLUG_INIT_PROTOCOL EFI_PCI_HOT_PLUG_INIT_PROTOCOL; typedef struct _EFI_PCI_HOT_PLUG_INIT_PROTOCOL EFI_PCI_HOT_PLUG_INIT_PROTOCOL;
#define EFI_HPC_STATE_INITIALIZED 0x01 ///
#define EFI_HPC_STATE_ENABLED 0x02 /// Current state of an HPC
///
typedef UINT16 EFI_HPC_STATE; typedef UINT16 EFI_HPC_STATE;
///
/// The HPC initialization function was called and the HPC completed
/// initialization, but it was not enabled for some reason. The HPC may be
/// disabled in hardware, or it may be disabled due to user preferences,
/// hardware failure, or other reasons. No resource padding is required.
///
#define EFI_HPC_STATE_INITIALIZED 0x01
///
/// The HPC initialization function was called, the HPC completed
/// initialization, and it was enabled. Resource padding is required.
///
#define EFI_HPC_STATE_ENABLED 0x02
///
/// Location definition for PCI Hot Plug Controller
///
typedef struct{ typedef struct{
///
/// The device path to the Root HPC
///
EFI_DEVICE_PATH_PROTOCOL *HpcDevicePath; EFI_DEVICE_PATH_PROTOCOL *HpcDevicePath;
///
/// The device path to the Hot Plug Bus (HPB) that is controlled by
/// the root HPC.
///
EFI_DEVICE_PATH_PROTOCOL *HpbDevicePath; EFI_DEVICE_PATH_PROTOCOL *HpbDevicePath;
} EFI_HPC_LOCATION; } EFI_HPC_LOCATION;
@ -142,11 +163,11 @@ EFI_STATUS
// Prototypes for the PCI Hot Plug Init Protocol // Prototypes for the PCI Hot Plug Init Protocol
// //
/** ///
This protocol provides the necessary functionality to initialize the /// This protocol provides the necessary functionality to initialize the
Hot Plug Controllers (HPCs) and the buses that they control. This protocol /// Hot Plug Controllers (HPCs) and the buses that they control. This protocol
also provides information regarding resource padding. /// also provides information regarding resource padding.
**/ ///
struct _EFI_PCI_HOT_PLUG_INIT_PROTOCOL { struct _EFI_PCI_HOT_PLUG_INIT_PROTOCOL {
/// ///
/// Returns a list of root HPCs and the buses that they control. /// Returns a list of root HPCs and the buses that they control.