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temporary roll back changing on gEfiHotPlugDevice.

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7640 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
vanjeff
2009-02-24 08:03:42 +00:00
parent d5893e0b04
commit 4986c56135
8 changed files with 157 additions and 166 deletions
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159
MdeModulePkg/Universal/Console/ConPlatformDxe/ConPlatform.c
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@ -256,12 +256,12 @@ ConPlatformTextInDriverBindingStart (
return Status;
}
//
// Check the device path, if it is a hot plug device,
// Check the device handle, 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 (DevicePath)) {
if (IsHotPlugDevice (This->DriverBindingHandle, ControllerHandle)) {
gBS->InstallMultipleProtocolInterfaces (
&ControllerHandle,
&gEfiConsoleInDeviceGuid,
@ -373,12 +373,12 @@ ConPlatformTextOutDriverBindingStart (
return Status;
}
//
// Check the device path, if it is a hot plug device,
// Check the device handle, 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 (DevicePath)) {
if (IsHotPlugDevice (This->DriverBindingHandle, ControllerHandle)) {
gBS->InstallMultipleProtocolInterfaces (
&ControllerHandle,
&gEfiConsoleOutDeviceGuid,
@ -481,36 +481,32 @@ ConPlatformTextInDriverBindingStop (
EFI_STATUS Status;
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
//
// Get the Device Path Protocol firstly
//
Status = gBS->OpenProtocol (
ControllerHandle,
&gEfiDevicePathProtocolGuid,
(VOID **) &DevicePath,
This->DriverBindingHandle,
ControllerHandle,
EFI_OPEN_PROTOCOL_GET_PROTOCOL
);
if (EFI_ERROR (Status)) {
return Status;
}
//
// If it is not a hot-plug device, first delete it from the ConInDev variable.
//
if (!IsHotPlugDevice (DevicePath)) {
//
// Remove DevicePath from ConInDev
if (!IsHotPlugDevice (This->DriverBindingHandle, ControllerHandle)) {
//
ConPlatformUpdateDeviceVariable (
L"ConInDev",
DevicePath,
DELETE
);
// Get the Device Path Protocol so the environment variables can be updated
//
Status = gBS->OpenProtocol (
ControllerHandle,
&gEfiDevicePathProtocolGuid,
(VOID **) &DevicePath,
This->DriverBindingHandle,
ControllerHandle,
EFI_OPEN_PROTOCOL_GET_PROTOCOL
);
if (!EFI_ERROR (Status)) {
//
// Remove DevicePath from ConInDev
//
ConPlatformUpdateDeviceVariable (
L"ConInDev",
DevicePath,
DELETE
);
}
}
//
// Uninstall the Console Device GUIDs from Controller Handle
//
@ -560,41 +556,37 @@ ConPlatformTextOutDriverBindingStop (
EFI_STATUS Status;
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
//
// Get the Device Path Protocol firstly
//
Status = gBS->OpenProtocol (
ControllerHandle,
&gEfiDevicePathProtocolGuid,
(VOID **) &DevicePath,
This->DriverBindingHandle,
ControllerHandle,
EFI_OPEN_PROTOCOL_GET_PROTOCOL
);
if (EFI_ERROR (Status)) {
return Status;
}
//
// If it is not a hot-plug device, first delete it from the ConOutDev and ErrOutDev variable.
//
if (!IsHotPlugDevice (DevicePath)) {
if (!IsHotPlugDevice (This->DriverBindingHandle, ControllerHandle)) {
//
// Remove DevicePath from ConOutDev, and ErrOutDev
// Get the Device Path Protocol so the environment variables can be updated
//
ConPlatformUpdateDeviceVariable (
L"ConOutDev",
DevicePath,
DELETE
);
ConPlatformUpdateDeviceVariable (
L"ErrOutDev",
DevicePath,
DELETE
);
Status = gBS->OpenProtocol (
ControllerHandle,
&gEfiDevicePathProtocolGuid,
(VOID **) &DevicePath,
This->DriverBindingHandle,
ControllerHandle,
EFI_OPEN_PROTOCOL_GET_PROTOCOL
);
if (!EFI_ERROR (Status)) {
//
// Remove DevicePath from ConOutDev, and ErrOutDev
//
ConPlatformUpdateDeviceVariable (
L"ConOutDev",
DevicePath,
DELETE
);
ConPlatformUpdateDeviceVariable (
L"ErrOutDev",
DevicePath,
DELETE
);
}
}
//
// Uninstall the Console Device GUIDs from Controller Handle
//
@ -937,12 +929,10 @@ ConPlatformUpdateDeviceVariable (
}
/**
Check if the device supports hot-plug through its device path.
Check if the device supports hot-plug.
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.
@param DriverBindingHandle Protocol instance pointer.
@param ControllerHandle Handle of device to check.
@retval TRUE The devcie is a hot-plug device
@retval FALSE The devcie is not a hot-plug device.
@ -950,35 +940,26 @@ ConPlatformUpdateDeviceVariable (
**/
BOOLEAN
IsHotPlugDevice (
IN EFI_DEVICE_PATH_PROTOCOL *DevicePath
EFI_HANDLE DriverBindingHandle,
EFI_HANDLE ControllerHandle
)
{
EFI_DEVICE_PATH_PROTOCOL *CheckDevicePath;
EFI_STATUS Status;
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);
//
// HotPlugDeviceGuid indicates ControllerHandle stands for a hot plug device.
//
Status = gBS->OpenProtocol (
ControllerHandle,
&gEfiHotPlugDeviceGuid,
NULL,
DriverBindingHandle,
ControllerHandle,
EFI_OPEN_PROTOCOL_TEST_PROTOCOL
);
if (EFI_ERROR (Status)) {
return FALSE;
}
return FALSE;
return TRUE;
}