Add function doxygen header for PciBus module.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5066 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
klu2
2008-04-15 08:52:18 +00:00
parent 4e4a057b72
commit a3b8e25782
12 changed files with 1471 additions and 2540 deletions

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@ -15,6 +15,18 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#ifndef _EFI_PCI_ENUMERATOR_SUPPORT_H
#define _EFI_PCI_ENUMERATOR_SUPPORT_H
/**
This routine is used to check whether the pci device is present.
@param PciRootBridgeIo Pointer to instance of EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL
@param Pci Output buffer for PCI device structure
@param Bus PCI bus NO
@param Device PCI device NO
@param Func PCI Func NO
@retval EFI_NOT_FOUND device not present
@retval EFI_SUCCESS device is found.
**/
EFI_STATUS
PciDevicePresent (
IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *PciRootBridgeIo,
@ -23,50 +35,33 @@ PciDevicePresent (
UINT8 Device,
UINT8 Func
)
/**
Routine Description:
TODO: Add function description
Arguments:
PciRootBridgeIo - TODO: add argument description
Pci - TODO: add argument description
Bus - TODO: add argument description
Device - TODO: add argument description
Func - TODO: add argument description
Returns:
TODO: add return values
**/
;
/**
Collect all the resource information under this root bridge
A database that records all the information about pci device subject to this
root bridge will then be created.
@param Bridge Parent bridge instance
@param StartBusNumer Bus number of begining
**/
EFI_STATUS
PciPciDeviceInfoCollector (
IN PCI_IO_DEVICE *Bridge,
UINT8 StartBusNumber
)
/**
Routine Description:
TODO: Add function description
Arguments:
Bridge - TODO: add argument description
StartBusNumber - TODO: add argument description
Returns:
TODO: add return values
**/
;
/**
Seach required device and get PCI device info block
@param Bridge Parent bridge instance
@param Pci Output of PCI device info block
@param Bus PCI bus NO.
@param Device PCI device NO.
@param Func PCI func NO.
@param PciDevice output of searched PCI device instance
**/
EFI_STATUS
PciSearchDevice (
IN PCI_IO_DEVICE *Bridge,
@ -76,28 +71,19 @@ PciSearchDevice (
UINT8 Func,
PCI_IO_DEVICE **PciDevice
)
/**
Routine Description:
TODO: Add function description
Arguments:
Bridge - TODO: add argument description
Pci - TODO: add argument description
Bus - TODO: add argument description
Device - TODO: add argument description
Func - TODO: add argument description
PciDevice - TODO: add argument description
Returns:
TODO: add return values
**/
;
/**
Create PCI private data for PCI device
@param Bridge Parent bridge instance
@param Pci PCI bar block
@param Bus PCI device Bus NO.
@param Device PCI device DeviceNO.
@param Func PCI device's func NO.
@return new PCI device's private date structure.
**/
PCI_IO_DEVICE *
GatherDeviceInfo (
IN PCI_IO_DEVICE *Bridge,
@ -106,27 +92,19 @@ GatherDeviceInfo (
UINT8 Device,
UINT8 Func
)
/**
Routine Description:
TODO: Add function description
Arguments:
Bridge - TODO: add argument description
Pci - TODO: add argument description
Bus - TODO: add argument description
Device - TODO: add argument description
Func - TODO: add argument description
Returns:
TODO: add return values
**/
;
/**
Create private data for bridge device's PPB.
@param Bridge Parent bridge
@param Pci Pci device block
@param Bus Bridge device's bus NO.
@param Device Bridge device's device NO.
@param Func Bridge device's func NO.
@return bridge device instance
**/
PCI_IO_DEVICE *
GatherPpbInfo (
IN PCI_IO_DEVICE *Bridge,
@ -135,27 +113,19 @@ GatherPpbInfo (
UINT8 Device,
UINT8 Func
)
/**
Routine Description:
TODO: Add function description
Arguments:
Bridge - TODO: add argument description
Pci - TODO: add argument description
Bus - TODO: add argument description
Device - TODO: add argument description
Func - TODO: add argument description
Returns:
TODO: add return values
**/
;
/**
Create private data for hotplug bridge device
@param Bridge Parent bridge instance
@param Pci PCI bar block
@param Bus hotplug bridge device's bus NO.
@param Device hotplug bridge device's device NO.
@param Func hotplug bridge device's Func NO.
@return hotplug bridge device instance
**/
PCI_IO_DEVICE *
GatherP2CInfo (
IN PCI_IO_DEVICE *Bridge,
@ -164,50 +134,35 @@ GatherP2CInfo (
UINT8 Device,
UINT8 Func
)
/**
Routine Description:
TODO: Add function description
Arguments:
Bridge - TODO: add argument description
Pci - TODO: add argument description
Bus - TODO: add argument description
Device - TODO: add argument description
Func - TODO: add argument description
Returns:
TODO: add return values
**/
;
/**
Create device path for pci deivce
@param ParentDevicePath Parent bridge's path
@param PciIoDevice Pci device instance
@return device path protocol instance for specific pci device.
**/
EFI_DEVICE_PATH_PROTOCOL *
CreatePciDevicePath (
IN EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath,
IN PCI_IO_DEVICE *PciIoDevice
)
/**
Routine Description:
TODO: Add function description
Arguments:
ParentDevicePath - TODO: add argument description
PciIoDevice - TODO: add argument description
Returns:
TODO: add return values
**/
;
/**
Check the bar is existed or not.
@param PciIoDevice - A pointer to the PCI_IO_DEVICE.
@param Offset - The offset.
@param BarLengthValue - The bar length value.
@param OriginalBarValue - The original bar value.
@retval EFI_NOT_FOUND - The bar don't exist.
@retval EFI_SUCCESS - The bar exist.
**/
EFI_STATUS
BarExisted (
IN PCI_IO_DEVICE *PciIoDevice,
@ -215,26 +170,19 @@ BarExisted (
OUT UINT32 *BarLengthValue,
OUT UINT32 *OriginalBarValue
)
/**
Routine Description:
TODO: Add function description
Arguments:
PciIoDevice - TODO: add argument description
Offset - TODO: add argument description
BarLengthValue - TODO: add argument description
OriginalBarValue - TODO: add argument description
Returns:
TODO: add return values
**/
;
/**
Test whether the device can support attributes
@param PciIoDevice Pci device instance
@param Command Command register value.
@param BridgeControl Bridge control value for PPB or P2C.
@param OldCommand Old command register offset
@param OldBridgeControl Old Bridge control value for PPB or P2C.
@return EFI_SUCCESS
**/
EFI_STATUS
PciTestSupportedAttribute (
IN PCI_IO_DEVICE *PciIoDevice,
@ -243,27 +191,17 @@ PciTestSupportedAttribute (
IN UINT16 *OldCommand,
IN UINT16 *OldBridgeControl
)
/**
Routine Description:
TODO: Add function description
Arguments:
PciIoDevice - TODO: add argument description
Command - TODO: add argument description
BridgeControl - TODO: add argument description
OldCommand - TODO: add argument description
OldBridgeControl - TODO: add argument description
Returns:
TODO: add return values
**/
;
/**
Set the supported or current attributes of a PCI device
@param PciIoDevice - Structure pointer for PCI device.
@param Command - Command register value.
@param BridgeControl - Bridge control value for PPB or P2C.
@param Option - Make a choice of EFI_SET_SUPPORTS or EFI_SET_ATTRIBUTES.
**/
EFI_STATUS
PciSetDeviceAttribute (
IN PCI_IO_DEVICE *PciIoDevice,
@ -271,202 +209,122 @@ PciSetDeviceAttribute (
IN UINT16 BridgeControl,
IN UINTN Option
)
/**
Routine Description:
TODO: Add function description
Arguments:
PciIoDevice - TODO: add argument description
Command - TODO: add argument description
BridgeControl - TODO: add argument description
Option - TODO: add argument description
Returns:
TODO: add return values
**/
;
/**
Determine if the device can support Fast Back to Back attribute
@param PciIoDevice Pci device instance
@param StatusIndex Status register value
**/
EFI_STATUS
GetFastBackToBackSupport (
IN PCI_IO_DEVICE *PciIoDevice,
IN UINT8 StatusIndex
)
/**
Routine Description:
TODO: Add function description
Arguments:
PciIoDevice - TODO: add argument description
StatusIndex - TODO: add argument description
Returns:
TODO: add return values
**/
;
/**
Determine the related attributes of all devices under a Root Bridge
@param PciIoDevice PCI device instance
**/
EFI_STATUS
DetermineDeviceAttribute (
IN PCI_IO_DEVICE *PciIoDevice
)
/**
Routine Description:
TODO: Add function description
Arguments:
PciIoDevice - TODO: add argument description
Returns:
TODO: add return values
**/
;
/**
This routine is used to update the bar information for those incompatible PCI device
@param PciIoDevice Pci device instance
@return EFI_UNSUPPORTED failed to update Pci Info
**/
EFI_STATUS
UpdatePciInfo (
IN PCI_IO_DEVICE *PciIoDevice
)
/**
Routine Description:
TODO: Add function description
Arguments:
PciIoDevice - TODO: add argument description
Returns:
TODO: add return values
**/
;
/**
This routine will update the alignment with the new alignment
@param Alignment old alignment
@param NewAlignment new alignment
**/
VOID
SetNewAlign (
IN UINT64 *Alignment,
IN UINT64 NewAlignment
)
/**
Routine Description:
TODO: Add function description
Arguments:
Alignment - TODO: add argument description
NewAlignment - TODO: add argument description
Returns:
TODO: add return values
**/
;
/**
Parse PCI bar bit.
@param PciIoDevice Pci device instance
@param Offset bar offset
@param BarIndex bar index
@return next bar offset.
**/
UINTN
PciParseBar (
IN PCI_IO_DEVICE *PciIoDevice,
IN UINTN Offset,
IN UINTN BarIndex
)
/**
Routine Description:
TODO: Add function description
Arguments:
PciIoDevice - TODO: add argument description
Offset - TODO: add argument description
BarIndex - TODO: add argument description
Returns:
TODO: add return values
**/
;
/**
This routine is used to initialize the bar of a PCI device
It can be called typically when a device is going to be rejected
@param PciIoDevice Pci device instance
**/
EFI_STATUS
InitializePciDevice (
IN PCI_IO_DEVICE *PciIoDevice
)
/**
Routine Description:
TODO: Add function description
Arguments:
PciIoDevice - TODO: add argument description
Returns:
TODO: add return values
**/
;
/**
Init PPB for bridge device
@param PciIoDevice Pci device instance
**/
EFI_STATUS
InitializePpb (
IN PCI_IO_DEVICE *PciIoDevice
)
/**
Routine Description:
TODO: Add function description
Arguments:
PciIoDevice - TODO: add argument description
Returns:
TODO: add return values
**/
;
/**
Init private data for Hotplug bridge device
@param PciIoDevice hotplug bridge device
**/
EFI_STATUS
InitializeP2C (
IN PCI_IO_DEVICE *PciIoDevice
)
/**
Routine Description:
TODO: Add function description
Arguments:
PciIoDevice - TODO: add argument description
Returns:
TODO: add return values
**/
;
/**
Create and initiliaze general PCI I/O device instance for
PCI device/bridge device/hotplug bridge device.
@param PciRootBridgeIo Pointer to instance of EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL
@param Pci Pci bar block
@param Bus device Bus NO.
@param Device device device NO.
@param Func device func NO.
@return instance of PCI device
**/
PCI_IO_DEVICE *
CreatePciIoDevice (
IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *PciRootBridgeIo,
@ -475,48 +333,34 @@ CreatePciIoDevice (
UINT8 Device,
UINT8 Func
)
/**
Routine Description:
TODO: Add function description
Arguments:
PciRootBridgeIo - TODO: add argument description
Pci - TODO: add argument description
Bus - TODO: add argument description
Device - TODO: add argument description
Func - TODO: add argument description
Returns:
TODO: add return values
**/
;
/**
This routine is used to enumerate entire pci bus system
in a given platform
It is only called on the second start on the same Root Bridge.
@param Controller Parent bridge handler
@return status of operation.
**/
EFI_STATUS
PciEnumeratorLight (
IN EFI_HANDLE Controller
)
/**
Routine Description:
TODO: Add function description
Arguments:
Controller - TODO: add argument description
Returns:
TODO: add return values
**/
;
/**
Get bus range.
@param Descriptors A pointer to the address space descriptor.
@param MinBus The min bus.
@param MaxBus The max bus.
@param BusRange The bus range.
@retval EFI_SUCCESS Success operation.
@retval EFI_NOT_FOUND can not find the specific bus.
**/
EFI_STATUS
PciGetBusRange (
IN EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR **Descriptors,
@ -524,66 +368,27 @@ PciGetBusRange (
OUT UINT16 *MaxBus,
OUT UINT16 *BusRange
)
/**
Routine Description:
TODO: Add function description
Arguments:
Descriptors - TODO: add argument description
MinBus - TODO: add argument description
MaxBus - TODO: add argument description
BusRange - TODO: add argument description
Returns:
TODO: add return values
**/
;
EFI_STATUS
StartManagingRootBridge (
IN PCI_IO_DEVICE *RootBridgeDev
)
/**
Routine Description:
TODO: Add function description
Arguments:
RootBridgeDev - TODO: add argument description
Returns:
TODO: add return values
**/
;
/**
This routine can be used to check whether a PCI device should be rejected when light enumeration
@param PciIoDevice Pci device instance
@retval TRUE This device should be rejected
@retval FALSE This device shouldn't be rejected
**/
BOOLEAN
IsPciDeviceRejected (
IN PCI_IO_DEVICE *PciIoDevice
)
/**
Routine Description:
TODO: Add function description
Arguments:
PciIoDevice - TODO: add argument description
Returns:
TODO: add return values
**/
;
#endif