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1. Retired HotPlugDevice protocol. 

2. Check devicepath node to get hot plug information. Currently, USB and PCCard device are checked.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7673 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
vanjeff 2009-02-25 07:54:57 +00:00
parent 34070f1dbf
commit f1aec6ccb4
8 changed files with 143 additions and 136 deletions
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24
MdeModulePkg/Include/Protocol/HotPlugDevice.h
View File

@ -1,24 +0,0 @@
/** @file
This guid is used to specify the device is the hot plug device.
If the device is the hot plug device, this guid as the protocol guid
will be installed into this device handle.
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 __HOT_PLUG_DEVICE_H__
#define __HOT_PLUG_DEVICE_H__
#define HOT_PLUG_DEVICE_GUID \
{ 0x220ac432, 0x1d43, 0x49e5, {0xa7, 0x4f, 0x4c, 0x9d, 0xa6, 0x7a, 0xd2, 0x3b } }
extern EFI_GUID gEfiHotPlugDeviceGuid;
#endif

3
MdeModulePkg/MdeModulePkg.dec
View File

@ -217,9 +217,6 @@
## Include/Protocol/TcgPlatform.h
gEfiTcgPlatformProtocolGuid = { 0x8c4c9a41, 0xbf56, 0x4627, { 0x9e, 0xa, 0xc8, 0x38, 0x6d, 0x66, 0x11, 0x5c }}
## Protocol Guid specify the device is the hot plug device.
gEfiHotPlugDeviceGuid = { 0x220AC432, 0x1D43, 0x49E5, { 0xA7, 0x4F, 0x4C, 0x9D, 0xA6, 0x7A, 0xD2, 0x3B }}
[PcdsFeatureFlag.common]
## Indicate whether platform can support update capsule across a system reset
gEfiMdeModulePkgTokenSpaceGuid.PcdSupportUpdateCapsuleReset|FALSE|BOOLEAN|0x0001001d

81
MdeModulePkg/Universal/Console/ConPlatformDxe/ConPlatform.c
View File

@ -256,12 +256,12 @@ ConPlatformTextInDriverBindingStart (
return Status;
}
//
// Check the device handle, if it is a hot plug device,
// Check the device path, if it is a hot plug device,
// do not put the device path into ConInDev, and install
// gEfiConsoleInDeviceGuid to the device handle directly.
// The policy is, make hot plug device plug in and play immediately.
//
if (IsHotPlugDevice (This->DriverBindingHandle, ControllerHandle)) {
if (IsHotPlugDevice (DevicePath)) {
gBS->InstallMultipleProtocolInterfaces (
&ControllerHandle,
&gEfiConsoleInDeviceGuid,
@ -373,12 +373,12 @@ ConPlatformTextOutDriverBindingStart (
return Status;
}
//
// Check the device handle, if it is a hot plug device,
// Check the device path, if it is a hot plug device,
// do not put the device path into ConOutDev and ErrOutDev,
// and install gEfiConsoleOutDeviceGuid to the device handle directly.
// The policy is, make hot plug device plug in and play immediately.
//
if (IsHotPlugDevice (This->DriverBindingHandle, ControllerHandle)) {
if (IsHotPlugDevice (DevicePath)) {
gBS->InstallMultipleProtocolInterfaces (
&ControllerHandle,
&gEfiConsoleOutDeviceGuid,
@ -482,11 +482,7 @@ ConPlatformTextInDriverBindingStop (
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
//
// If it is not a hot-plug device, first delete it from the ConInDev variable.
//
if (!IsHotPlugDevice (This->DriverBindingHandle, ControllerHandle)) {
//
// Get the Device Path Protocol so the environment variables can be updated
// Get the Device Path Protocol firstly
//
Status = gBS->OpenProtocol (
ControllerHandle,
@ -496,7 +492,14 @@ ConPlatformTextInDriverBindingStop (
ControllerHandle,
EFI_OPEN_PROTOCOL_GET_PROTOCOL
);
//
// If there is device path on ControllerHandle
//
if (!EFI_ERROR (Status)) {
//
// If it is not a hot-plug device, first delete it from the ConInDev variable.
//
if (!IsHotPlugDevice (DevicePath)) {
//
// Remove DevicePath from ConInDev
//
@ -507,6 +510,7 @@ ConPlatformTextInDriverBindingStop (
);
}
}
//
// Uninstall the Console Device GUIDs from Controller Handle
//
@ -557,11 +561,7 @@ ConPlatformTextOutDriverBindingStop (
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
//
// If it is not a hot-plug device, first delete it from the ConOutDev and ErrOutDev variable.
//
if (!IsHotPlugDevice (This->DriverBindingHandle, ControllerHandle)) {
//
// Get the Device Path Protocol so the environment variables can be updated
// Get the Device Path Protocol firstly
//
Status = gBS->OpenProtocol (
ControllerHandle,
@ -572,6 +572,10 @@ ConPlatformTextOutDriverBindingStop (
EFI_OPEN_PROTOCOL_GET_PROTOCOL
);
if (!EFI_ERROR (Status)) {
//
// If it is not a hot-plug device, first delete it from the ConOutDev and ErrOutDev variable.
//
if (!IsHotPlugDevice (DevicePath)) {
//
// Remove DevicePath from ConOutDev, and ErrOutDev
//
@ -587,6 +591,7 @@ ConPlatformTextOutDriverBindingStop (
);
}
}
//
// Uninstall the Console Device GUIDs from Controller Handle
//
@ -929,10 +934,12 @@ ConPlatformUpdateDeviceVariable (
}
/**
Check if the device supports hot-plug.
Check if the device supports hot-plug through its device path.
@param DriverBindingHandle Protocol instance pointer.
@param ControllerHandle Handle of device to check.
This function could be updated to check more types of Hot Plug devices.
Currently, it checks USB and PCCard device.
@param DevicePath Pointer to device's device path.
@retval TRUE The devcie is a hot-plug device
@retval FALSE The devcie is not a hot-plug device.
@ -940,26 +947,36 @@ ConPlatformUpdateDeviceVariable (
**/
BOOLEAN
IsHotPlugDevice (
EFI_HANDLE DriverBindingHandle,
EFI_HANDLE ControllerHandle
IN EFI_DEVICE_PATH_PROTOCOL *DevicePath
)
{
EFI_STATUS Status;
EFI_DEVICE_PATH_PROTOCOL *CheckDevicePath;
CheckDevicePath = DevicePath;
while (!IsDevicePathEnd (CheckDevicePath)) {
//
// HotPlugDeviceGuid indicates ControllerHandle stands for a hot plug device.
// Check device whether is hot plug device or not throught Device Path
//
Status = gBS->OpenProtocol (
ControllerHandle,
&gEfiHotPlugDeviceGuid,
NULL,
DriverBindingHandle,
ControllerHandle,
EFI_OPEN_PROTOCOL_TEST_PROTOCOL
);
if (EFI_ERROR (Status)) {
return FALSE;
if ((DevicePathType (CheckDevicePath) == MESSAGING_DEVICE_PATH) &&
(DevicePathSubType (CheckDevicePath) == MSG_USB_DP ||
DevicePathSubType (CheckDevicePath) == MSG_USB_CLASS_DP ||
DevicePathSubType (CheckDevicePath) == MSG_USB_WWID_DP)) {
//
// If Device is USB device
//
return TRUE;
}
if ((DevicePathType (CheckDevicePath) == HARDWARE_DEVICE_PATH) &&
(DevicePathSubType (CheckDevicePath) == HW_PCCARD_DP)) {
//
// If Device is PCCard
//
return TRUE;
}
return TRUE;
CheckDevicePath = NextDevicePathNode (CheckDevicePath);
}
return FALSE;
}

12
MdeModulePkg/Universal/Console/ConPlatformDxe/ConPlatform.h
View File

@ -20,7 +20,6 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#include <Protocol/SimpleTextOut.h>
#include <Protocol/DevicePath.h>
#include <Protocol/SimpleTextIn.h>
#include <Protocol/HotPlugDevice.h>
#include <Guid/GlobalVariable.h>
#include <Guid/ConsoleInDevice.h>
@ -293,10 +292,12 @@ ConPlatformUpdateDeviceVariable (
);
/**
Check if the device supports hot-plug.
Check if the device supports hot-plug through its device path.
@param DriverBindingHandle Protocol instance pointer.
@param ControllerHandle Handle of device to check.
This function could be updated to check more types of Hot Plug devices.
Currently, it checks USB and PCCard device.
@param DevicePath Pointer to device's device path.
@retval TRUE The devcie is a hot-plug device
@retval FALSE The devcie is not a hot-plug device.
@ -304,8 +305,7 @@ ConPlatformUpdateDeviceVariable (
**/
BOOLEAN
IsHotPlugDevice (
EFI_HANDLE DriverBindingHandle,
EFI_HANDLE ControllerHandle
IN EFI_DEVICE_PATH_PROTOCOL *DevicePath
);
//

1
MdeModulePkg/Universal/Console/ConPlatformDxe/ConPlatformDxe.inf
View File

@ -87,5 +87,4 @@
gEfiDevicePathProtocolGuid ## TO_START
gEfiSimpleTextInProtocolGuid ## TO_START
gEfiSimpleTextOutProtocolGuid ## TO_START
gEfiHotPlugDeviceGuid ## SOMETIMES_CONSUMES (Used to check if it's a hot-plug device)

99
MdeModulePkg/Universal/Console/TerminalDxe/Terminal.c
View File

@ -300,19 +300,12 @@ TerminalDriverBindingStart (
if (EFI_ERROR (Status)) {
goto Error;
}
if (IsHotPlugDevice (ParentDevicePath)) {
//
// if the serial device is a hot plug device, do not update the
// ConInDev, ConOutDev, and StdErrDev variables.
//
Status = gBS->OpenProtocol (
Controller,
&gEfiHotPlugDeviceGuid,
NULL,
This->DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_TEST_PROTOCOL
);
if (EFI_ERROR (Status)) {
TerminalUpdateConsoleDevVariable (L"ConInDev", ParentDevicePath);
TerminalUpdateConsoleDevVariable (L"ConOutDev", ParentDevicePath);
TerminalUpdateConsoleDevVariable (L"ErrOutDev", ParentDevicePath);
@ -627,26 +620,7 @@ TerminalDriverBindingStart (
if (EFI_ERROR (Status)) {
goto Error;
}
//
// if the serial device is a hot plug device, attaches the HotPlugGuid
// onto the terminal device handle.
//
Status = gBS->OpenProtocol (
Controller,
&gEfiHotPlugDeviceGuid,
NULL,
This->DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_TEST_PROTOCOL
);
if (!EFI_ERROR (Status)) {
Status = gBS->InstallMultipleProtocolInterfaces (
&TerminalDevice->Handle,
&gEfiHotPlugDeviceGuid,
NULL,
NULL
);
}
//
// Register the Parent-Child relationship via
// EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER.
@ -886,25 +860,6 @@ TerminalDriverBindingStop (
FreeUnicodeStringTable (TerminalDevice->ControllerNameTable);
}
Status = gBS->OpenProtocol (
ChildHandleBuffer[Index],
&gEfiHotPlugDeviceGuid,
NULL,
This->DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_TEST_PROTOCOL
);
if (!EFI_ERROR (Status)) {
Status = gBS->UninstallMultipleProtocolInterfaces (
ChildHandleBuffer[Index],
&gEfiHotPlugDeviceGuid,
NULL,
NULL
);
} else {
Status = EFI_SUCCESS;
}
gBS->CloseEvent (TerminalDevice->TwoSecondTimeOut);
gBS->CloseEvent (TerminalDevice->SimpleInput.WaitForKey);
gBS->CloseEvent (TerminalDevice->SimpleInputEx.WaitForKeyEx);
@ -1322,3 +1277,51 @@ InitializeTerminal(
return Status;
}
/**
Check if the device supports hot-plug through its device path.
This function could be updated to check more types of Hot Plug devices.
Currently, it checks USB and PCCard device.
@param DevicePath Pointer to device's device path.
@retval TRUE The devcie is a hot-plug device
@retval FALSE The devcie is not a hot-plug device.
**/
BOOLEAN
IsHotPlugDevice (
IN EFI_DEVICE_PATH_PROTOCOL *DevicePath
)
{
EFI_DEVICE_PATH_PROTOCOL *CheckDevicePath;
CheckDevicePath = DevicePath;
while (!IsDevicePathEnd (CheckDevicePath)) {
//
// Check device whether is hot plug device or not throught Device Path
//
if ((DevicePathType (CheckDevicePath) == MESSAGING_DEVICE_PATH) &&
(DevicePathSubType (CheckDevicePath) == MSG_USB_DP ||
DevicePathSubType (CheckDevicePath) == MSG_USB_CLASS_DP ||
DevicePathSubType (CheckDevicePath) == MSG_USB_WWID_DP)) {
//
// If Device is USB device
//
return TRUE;
}
if ((DevicePathType (CheckDevicePath) == HARDWARE_DEVICE_PATH) &&
(DevicePathSubType (CheckDevicePath) == HW_PCCARD_DP)) {
//
// If Device is PCCard
//
return TRUE;
}
CheckDevicePath = NextDevicePathNode (CheckDevicePath);
}
return FALSE;
}

18
MdeModulePkg/Universal/Console/TerminalDxe/Terminal.h
View File

@ -21,7 +21,6 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#include <Guid/GlobalVariable.h>
#include <Guid/PcAnsi.h>
#include <Protocol/HotPlugDevice.h>
#include <Protocol/SimpleTextOut.h>
#include <Protocol/SerialIo.h>
#include <Protocol/DevicePath.h>
@ -1346,4 +1345,21 @@ TerminalIsValidEfiCntlChar (
IN CHAR16 CharC
);
/**
Check if the device supports hot-plug through its device path.
This function could be updated to check more types of Hot Plug devices.
Currently, it checks USB and PCCard device.
@param DevicePath Pointer to device's device path.
@retval TRUE The devcie is a hot-plug device
@retval FALSE The devcie is not a hot-plug device.
**/
BOOLEAN
IsHotPlugDevice (
IN EFI_DEVICE_PATH_PROTOCOL *DevicePath
);
#endif

1
MdeModulePkg/Universal/Console/TerminalDxe/TerminalDxe.inf
View File

@ -72,7 +72,6 @@
gEfiSimpleTextInProtocolGuid ## BY_START
gEfiSimpleTextInputExProtocolGuid ## BY_START
gEfiSimpleTextOutProtocolGuid ## BY_START
gEfiHotPlugDeviceGuid ## SOMETIMES_CONSUMES
[Pcd]
gEfiMdePkgTokenSpaceGuid.PcdStatusCodeValueRemoteConsoleError