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Fix the issue that consplitter should not touch ConIn variable & do ConIn connection

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Signed-off-by: Chao Zhang <chao.b.zhang@intel.com>
Reviewed-by  : Hot Tian <hot.tian@intel.com>
Reviewed-by  : Ni, Ruiyu <ruiyu.ni@intel.com>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13645 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
czhang46 2012-08-17 07:43:09 +00:00
parent bc79c731b4
commit f58f3de07e
5 changed files with 86 additions and 261 deletions
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24
MdeModulePkg/Include/Guid/ConnectConInEvent.h Normal file
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@ -0,0 +1,24 @@
/** @file
GUID is the name of events used with CreateEventEx in order to be notified
when the requires ConIn connection.
Copyright (c) 2012, Intel Corporation. All rights reserved.<BR>
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 __CONNECT_CONIN_EVENT_GUID_H__
#define __CONNECT_CONIN_EVENT_GUID_H__
#define CONNECT_CONIN_EVENT_GUID \
{ 0xdb4e8151, 0x57ed, 0x4bed, { 0x88, 0x33, 0x67, 0x51, 0xb5, 0xd1, 0xa8, 0xd7 }}
extern EFI_GUID gConnectConInEventGuid;
#endif

3
MdeModulePkg/MdeModulePkg.dec
View File

@ -250,6 +250,9 @@
## Include/Guid/ExitBootServiceFailed.h
gEventExitBootServicesFailedGuid = { 0x4f6c5507, 0x232f, 0x4787, { 0xb9, 0x5e, 0x72, 0xf8, 0x62, 0x49, 0xc, 0xb1 } }
## Include/Guid/ConnectConInEvent.h
gConnectConInEventGuid = { 0xdb4e8151, 0x57ed, 0x4bed, { 0x88, 0x33, 0x67, 0x51, 0xb5, 0xd1, 0xa8, 0xd7 }}
[Ppis]
## Include/Ppi/AtaController.h
gPeiAtaControllerPpiGuid = { 0xa45e60d1, 0xc719, 0x44aa, { 0xb0, 0x7a, 0xaa, 0x77, 0x7f, 0x85, 0x90, 0x6d }}

291
MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitter.c
View File

@ -620,6 +620,18 @@ ConSplitterTextInConstructor (
ConInPrivate,
&ConInPrivate->SimplePointer.WaitForInput
);
ASSERT_EFI_ERROR (Status);
//
// Create Event to signal ConIn connection request
//
Status = gBS->CreateEventEx (
EVT_NOTIFY_SIGNAL,
TPL_CALLBACK,
ConSplitterEmptyCallbackFunction,
NULL,
&gConnectConInEventGuid,
&ConInPrivate->ConnectConIn
);
return Status;
}
@ -3310,245 +3322,6 @@ ConSplitterTextInPrivateReadKeyStroke (
return EFI_NOT_READY;
}
/**
Connect the specific Usb device which match the short form device path,
and whose bus is determined by Host Controller.
@param DevicePath A short-form device path that starts with the first
element being a USB WWID or a USB Class device
path
@return EFI_INVALID_PARAMETER DevicePath is NULL pointer.
DevicePath is not a USB device path.
@return EFI_SUCCESS Success to connect USB device
@return EFI_NOT_FOUND Fail to find handle for USB controller to connect.
**/
EFI_STATUS
EFIAPI
ConSplitterConnectUsbShortFormDevicePath (
IN EFI_DEVICE_PATH_PROTOCOL *DevicePath
)
{
EFI_STATUS Status;
EFI_HANDLE *Handles;
UINTN HandleCount;
UINTN Index;
EFI_PCI_IO_PROTOCOL *PciIo;
UINT8 Class[3];
BOOLEAN AtLeastOneConnected;
//
// Check the passed in parameters
//
if (DevicePath == NULL) {
return EFI_INVALID_PARAMETER;
}
if ((DevicePathType (DevicePath) != MESSAGING_DEVICE_PATH) ||
((DevicePathSubType (DevicePath) != MSG_USB_CLASS_DP) && (DevicePathSubType (DevicePath) != MSG_USB_WWID_DP))
) {
return EFI_INVALID_PARAMETER;
}
//
// Find the usb host controller firstly, then connect with the remaining device path
//
AtLeastOneConnected = FALSE;
Status = gBS->LocateHandleBuffer (
ByProtocol,
&gEfiPciIoProtocolGuid,
NULL,
&HandleCount,
&Handles
);
for (Index = 0; Index < HandleCount; Index++) {
Status = gBS->HandleProtocol (
Handles[Index],
&gEfiPciIoProtocolGuid,
(VOID **) &PciIo
);
if (!EFI_ERROR (Status)) {
//
// Check whether the Pci device is the wanted usb host controller
//
Status = PciIo->Pci.Read (PciIo, EfiPciIoWidthUint8, 0x09, 3, &Class);
if (!EFI_ERROR (Status) &&
((PCI_CLASS_SERIAL == Class[2]) && (PCI_CLASS_SERIAL_USB == Class[1]))
) {
Status = gBS->ConnectController (
Handles[Index],
NULL,
DevicePath,
FALSE
);
if (!EFI_ERROR(Status)) {
AtLeastOneConnected = TRUE;
}
}
}
}
return AtLeastOneConnected ? EFI_SUCCESS : EFI_NOT_FOUND;
}
/**
This function will create all handles associate with every device
path node. If the handle associate with one device path node can not
be created successfully, then still give one chance to do the dispatch,
which load the missing drivers if possible.
@param DevicePathToConnect The device path which will be connected, it CANNOT be
a multi-instance device path
@param MatchingHandle Return the controller handle closest to the DevicePathToConnect
@retval EFI_INVALID_PARAMETER DevicePathToConnect is NULL.
@retval EFI_NOT_FOUND Failed to create all handles associate with every device path node.
@retval EFI_SUCCESS Successful to create all handles associate with every device path node.
**/
EFI_STATUS
EFIAPI
ConSplitterConnectDevicePath (
IN EFI_DEVICE_PATH_PROTOCOL *DevicePathToConnect,
OUT EFI_HANDLE *MatchingHandle OPTIONAL
)
{
EFI_STATUS Status;
EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath;
EFI_HANDLE Handle;
EFI_HANDLE PreviousHandle;
if (DevicePathToConnect == NULL) {
return EFI_INVALID_PARAMETER;
}
//
// Start the real work of connect with RemainingDevicePath
//
PreviousHandle = NULL;
do {
//
// Find the handle that best matches the Device Path. If it is only a
// partial match the remaining part of the device path is returned in
// RemainingDevicePath.
//
RemainingDevicePath = DevicePathToConnect;
Status = gBS->LocateDevicePath (&gEfiDevicePathProtocolGuid, &RemainingDevicePath, &Handle);
if (!EFI_ERROR (Status)) {
if (Handle == PreviousHandle) {
//
// If no forward progress is made try invoking the Dispatcher.
// A new FV may have been added to the system an new drivers
// may now be found.
// Status == EFI_SUCCESS means a driver was dispatched
// Status == EFI_NOT_FOUND means no new drivers were dispatched
//
Status = gDS->Dispatch ();
}
if (!EFI_ERROR (Status)) {
PreviousHandle = Handle;
//
// Connect all drivers that apply to Handle and RemainingDevicePath,
// the Recursive flag is FALSE so only one level will be expanded.
//
// Do not check the connect status here, if the connect controller fail,
// then still give the chance to do dispatch, because partial
// RemainingDevicepath may be in the new FV
//
// 1. If the connect fail, RemainingDevicepath and handle will not
// change, so next time will do the dispatch, then dispatch's status
// will take effect
// 2. If the connect success, the RemainingDevicepath and handle will
// change, then avoid the dispatch, we have chance to continue the
// next connection
//
gBS->ConnectController (Handle, NULL, RemainingDevicePath, FALSE);
if (MatchingHandle != NULL) {
*MatchingHandle = Handle;
}
}
}
//
// Loop until RemainingDevicePath is an empty device path
//
} while (!EFI_ERROR (Status) && !IsDevicePathEnd (RemainingDevicePath));
ASSERT (EFI_ERROR (Status) || IsDevicePathEnd (RemainingDevicePath));
return Status;
}
/**
Connect to all ConIn device which is in the ConIn variable.
@param DevicePath A short-form device path that starts with the first
element being a USB WWID or a USB Class device
path
@return EFI_INVALID_PARAMETER DevicePath is NULL pointer.
DevicePath is not a USB device path.
@return EFI_SUCCESS Success to connect USB device
@return EFI_NOT_FOUND Fail to find handle for USB controller to connect.
**/
EFI_STATUS
EFIAPI
ConSplitterConnectConInDevicePath (
)
{
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
EFI_DEVICE_PATH_PROTOCOL *DevicePathInst;
EFI_DEVICE_PATH_PROTOCOL *CopyDevicePath;
UINTN Size;
EFI_DEVICE_PATH_PROTOCOL *Next;
DevicePath = GetEfiGlobalVariable (L"ConIn");
//
// Check the passed in parameters
//
if (DevicePath == NULL) {
return EFI_NOT_FOUND;
}
CopyDevicePath = DevicePath;
DevicePathInst = GetNextDevicePathInstance (&DevicePath, &Size);
while (DevicePathInst != NULL) {
Next = DevicePathInst;
while (!IsDevicePathEndType (Next)) {
Next = NextDevicePathNode (Next);
}
SetDevicePathEndNode (Next);
//
// Connect the USB console
// USB console device path is a short-form device path that
// starts with the first element being a USB WWID
// or a USB Class device path
//
if ((DevicePathType (DevicePathInst) == MESSAGING_DEVICE_PATH) &&
((DevicePathSubType (DevicePathInst) == MSG_USB_CLASS_DP)
|| (DevicePathSubType (DevicePathInst) == MSG_USB_WWID_DP)
)) {
ConSplitterConnectUsbShortFormDevicePath (DevicePathInst);
} else {
ConSplitterConnectDevicePath (DevicePathInst, NULL);
}
DevicePathInst = GetNextDevicePathInstance (&DevicePath, &Size);
}
return EFI_SUCCESS;
}
/**
@ -3578,11 +3351,11 @@ ConSplitterTextInReadKeyStroke (
Private->KeyEventSignalState = FALSE;
//
// Connect ConIn when first call in Lazy ConIn mode
// Signal ConnectConIn event on first call in Lazy ConIn mode
//
if (!mConInIsConnect && PcdGetBool (PcdConInConnectOnDemand)) {
DEBUG ((EFI_D_INFO, "Connect ConIn in first ReadKeyStoke in Lazy ConIn mode.\n"));
ConSplitterConnectConInDevicePath ();
gBS->SignalEvent (Private->ConnectConIn);
mConInIsConnect = TRUE;
}
@ -3758,15 +3531,6 @@ ConSplitterTextInReadKeyStrokeEx (
return EFI_INVALID_PARAMETER;
}
//
// Connect ConIn when first call in Lazy ConIn mode
//
if (!mConInIsConnect && PcdGetBool (PcdConInConnectOnDemand)) {
DEBUG ((EFI_D_INFO, "Connect ConIn in first ReadKeyStoke in Lazy ConIn mode.\n"));
ConSplitterConnectConInDevicePath ();
mConInIsConnect = TRUE;
}
Private = TEXT_IN_EX_SPLITTER_PRIVATE_DATA_FROM_THIS (This);
Private->KeyEventSignalState = FALSE;
@ -3774,6 +3538,15 @@ ConSplitterTextInReadKeyStrokeEx (
KeyData->Key.UnicodeChar = 0;
KeyData->Key.ScanCode = SCAN_NULL;
//
// Signal ConnectConIn event on first call in Lazy ConIn mode
//
if (!mConInIsConnect && PcdGetBool (PcdConInConnectOnDemand)) {
DEBUG ((EFI_D_INFO, "Connect ConIn in first ReadKeyStoke in Lazy ConIn mode.\n"));
gBS->SignalEvent (Private->ConnectConIn);
mConInIsConnect = TRUE;
}
//
// if no physical console input device exists, return EFI_NOT_READY;
// if any physical console input device has key input,
@ -4938,3 +4711,21 @@ ConSplitterTextOutEnableCursor (
return ReturnStatus;
}
/**
An empty function to pass error checking of CreateEventEx ().
@param Event Event whose notification function is being invoked.
@param Context Pointer to the notification function's context,
which is implementation-dependent.
**/
VOID
EFIAPI
ConSplitterEmptyCallbackFunction (
IN EFI_EVENT Event,
IN VOID *Context
)
{
return;
}

23
MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitter.h
View File

@ -18,8 +18,6 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#include <Uefi.h>
#include <PiDxe.h>
#include <IndustryStandard/Pci.h>
#include <Protocol/DevicePath.h>
#include <Protocol/ComponentName.h>
#include <Protocol/DriverBinding.h>
@ -30,11 +28,11 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#include <Protocol/SimpleTextInEx.h>
#include <Protocol/GraphicsOutput.h>
#include <Protocol/UgaDraw.h>
#include <Protocol/PciIo.h>
#include <Guid/ConsoleInDevice.h>
#include <Guid/StandardErrorDevice.h>
#include <Guid/ConsoleOutDevice.h>
#include <Guid/ConnectConInEvent.h>
#include <Library/PcdLib.h>
#include <Library/DebugLib.h>
@ -45,9 +43,6 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#include <Library/MemoryAllocationLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiRuntimeServicesTableLib.h>
#include <Library/DevicePathLib.h>
#include <Library/DxeServicesTableLib.h>
//
// Driver Binding Externs
@ -150,6 +145,7 @@ typedef struct {
BOOLEAN KeyEventSignalState;
BOOLEAN InputEventSignalState;
EFI_EVENT ConnectConIn;
} TEXT_IN_SPLITTER_PRIVATE_DATA;
#define TEXT_IN_SPLITTER_PRIVATE_DATA_FROM_THIS(a) \
@ -1989,5 +1985,20 @@ TextOutSetMode (
IN UINTN ModeNumber
);
/**
An empty function to pass error checking of CreateEventEx ().
@param Event Event whose notification function is being invoked.
@param Context Pointer to the notification function's context,
which is implementation-dependent.
**/
VOID
EFIAPI
ConSplitterEmptyCallbackFunction (
IN EFI_EVENT Event,
IN VOID *Context
);
#endif

6
MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitterDxe.inf
View File

@ -68,15 +68,12 @@
UefiDriverEntryPoint
DebugLib
PcdLib
DevicePathLib
DxeServicesLib
DxeServicesTableLib
[Guids]
gEfiConsoleInDeviceGuid ## SOMETIMES_CONSUMES
gEfiStandardErrorDeviceGuid ## SOMETIMES_CONSUMES
gEfiConsoleOutDeviceGuid ## SOMETIMES_CONSUMES
gConnectConInEventGuid ## ALWAYS_CONSUMES
[Protocols]
gEfiSimplePointerProtocolGuid ## BY_START
@ -86,7 +83,6 @@
gEfiSimpleTextOutProtocolGuid ## BY_START
gEfiGraphicsOutputProtocolGuid ## BY_START
gEfiUgaDrawProtocolGuid ## BY_START
gEfiPciIoProtocolGuid ## PROTOCOL CONSUMES
[FeaturePcd]