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Clean up meta data and code scrub for PCI Bus module.

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8624 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
vanjeff
2009-06-23 07:19:00 +00:00
parent 03476bf384
commit 48a9ea7b1b
13 changed files with 457 additions and 577 deletions
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89
IntelFrameworkModulePkg/Bus/Pci/PciBusDxe/PciBus.c
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@ -1,7 +1,7 @@
/** @file
Driver Binding functions for PCI bus module.
Driver Binding functions for PCI Bus module.
Copyright (c) 2006, Intel Corporation
Copyright (c) 2006 - 2009, 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
@ -12,13 +12,11 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include "PciBus.h"
//
// PCI Bus Driver Global Variables
//
EFI_DRIVER_BINDING_PROTOCOL gPciBusDriverBinding = {
PciBusDriverBindingSupported,
PciBusDriverBindingStart,
@ -28,26 +26,32 @@ EFI_DRIVER_BINDING_PROTOCOL gPciBusDriverBinding = {
NULL
};
EFI_INCOMPATIBLE_PCI_DEVICE_SUPPORT_PROTOCOL *gEfiIncompatiblePciDeviceSupport = NULL;
EFI_HANDLE gPciHostBrigeHandles[PCI_MAX_HOST_BRIDGE_NUM];
UINTN gPciHostBridgeNumber;
BOOLEAN gFullEnumeration;
UINT64 gAllOne = 0xFFFFFFFFFFFFFFFFULL;
UINT64 gAllZero = 0;
EFI_INCOMPATIBLE_PCI_DEVICE_SUPPORT_PROTOCOL *gEfiIncompatiblePciDeviceSupport = NULL;
UINTN gPciHostBridgeNumber = 0;
BOOLEAN gFullEnumeration = TRUE;
UINT64 gAllOne = 0xFFFFFFFFFFFFFFFFULL;
UINT64 gAllZero = 0;
EFI_PCI_PLATFORM_PROTOCOL *gPciPlatformProtocol;
//
// PCI Bus Driver Support Functions
//
GLOBAL_REMOVE_IF_UNREFERENCED EFI_PCI_HOTPLUG_REQUEST_PROTOCOL mPciHotPlugRequest = {
PciHotPlugRequestNotify
};
/**
Initialize the global variables
publish the driver binding protocol
The Entry Point for PCI Bus module. The user code starts with this function.
@param[in] ImageHandle,
@param[in] *SystemTable
Installs driver module protocols and. Creates virtual device handles for ConIn,
ConOut, and StdErr. Installs Simple Text In protocol, Simple Text In Ex protocol,
Simple Pointer protocol, Absolute Pointer protocol on those virtual handlers.
Installs Graphics Output protocol and/or UGA Draw protocol if needed.
@retval status of installing driver binding component name protocol.
@param[in] ImageHandle The firmware allocated handle for the EFI image.
@param[in] SystemTable A pointer to the EFI System Table.
@retval EFI_SUCCESS The entry point is executed successfully.
@retval other Some error occurs when executing this entry point.
**/
EFI_STATUS
@ -58,13 +62,13 @@ PciBusEntryPoint (
)
{
EFI_STATUS Status;
EFI_HANDLE Handle;
//
// Initializes PCI devices pool
//
InitializePciDevicePool ();
gFullEnumeration = TRUE;
gPciHostBridgeNumber = 0;
//
// Install driver model protocol(s).
//
@ -78,8 +82,19 @@ PciBusEntryPoint (
);
ASSERT_EFI_ERROR (Status);
InstallHotPlugRequestProtocol (&Status);
if (FeaturePcdGet (PcdPciBusHotplugDeviceSupport)) {
//
// If Hot Plug is supported, install EFI PCI Hot Plug Request protocol.
//
Handle = NULL;
Status = gBS->InstallProtocolInterface (
&Handle,
&gEfiPciHotPlugRequestProtocolGuid,
EFI_NATIVE_INTERFACE,
&mPciHotPlugRequest
);
}
return Status;
}
@ -88,13 +103,13 @@ PciBusEntryPoint (
than contains a gEfiPciRootBridgeIoProtocolGuid protocol can be supported.
@param This Protocol instance pointer.
@param ControllerHandle Handle of device to test
@param RemainingDevicePath Optional parameter use to pick a specific child
@param Controller Handle of device to test.
@param RemainingDevicePath Optional parameter use to pick a specific child.
device to start.
@retval EFI_SUCCESS This driver supports this device
@retval EFI_ALREADY_STARTED This driver is already running on this device
@retval other This driver does not support this device
@retval EFI_SUCCESS This driver supports this device.
@retval EFI_ALREADY_STARTED This driver is already running on this device.
@retval other This driver does not support this device.
**/
EFI_STATUS
@ -175,13 +190,13 @@ PciBusDriverBindingSupported (
all device under PCI bus.
@param This Protocol instance pointer.
@param ControllerHandle Handle of device to bind driver to
@param RemainingDevicePath Optional parameter use to pick a specific child
@param Controller Handle of device to bind driver to.
@param RemainingDevicePath Optional parameter use to pick a specific child.
device to start.
@retval EFI_SUCCESS This driver is added to ControllerHandle
@retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle
@retval other This driver does not support this device
@retval EFI_SUCCESS This driver is added to ControllerHandle.
@retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle.
@retval other This driver does not support this device.
**/
EFI_STATUS
@ -237,13 +252,13 @@ PciBusDriverBindingStart (
created by this driver.
@param This Protocol instance pointer.
@param ControllerHandle Handle of device to stop driver on
@param Controller Handle of device to stop driver on.
@param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of
children is zero stop the entire bus driver.
@param ChildHandleBuffer List of Child Handles to Stop.
@retval EFI_SUCCESS This driver is removed ControllerHandle
@retval other This driver was not removed from this device
@retval EFI_SUCCESS This driver is removed ControllerHandle.
@retval other This driver was not removed from this device.
**/
EFI_STATUS