diff options
Diffstat (limited to 'EdkModulePkg/Core/Dxe/Hand/Notify.c')
| -rw-r--r-- | EdkModulePkg/Core/Dxe/Hand/Notify.c | 333 |
1 files changed, 0 insertions, 333 deletions
diff --git a/EdkModulePkg/Core/Dxe/Hand/Notify.c b/EdkModulePkg/Core/Dxe/Hand/Notify.c deleted file mode 100644 index f48fee76cb..0000000000 --- a/EdkModulePkg/Core/Dxe/Hand/Notify.c +++ /dev/null @@ -1,333 +0,0 @@ -/*++
-
-Copyright (c) 2006, 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.
-
-Module Name:
-
- notify.c
-
-Abstract:
-
- EFI notify infrastructure
-
-
-
-Revision History
-
---*/
-
-#include <DxeMain.h>
-
-VOID
-CoreNotifyProtocolEntry (
- IN PROTOCOL_ENTRY *ProtEntry
- )
-/*++
-
-Routine Description:
-
- Signal event for every protocol in protocol entry.
-
-Arguments:
-
- ProtEntry - Protocol entry
-
-Returns:
-
---*/
-{
- PROTOCOL_NOTIFY *ProtNotify;
- LIST_ENTRY *Link;
-
- ASSERT_LOCKED (&gProtocolDatabaseLock);
-
- for (Link=ProtEntry->Notify.ForwardLink; Link != &ProtEntry->Notify; Link=Link->ForwardLink) {
- ProtNotify = CR(Link, PROTOCOL_NOTIFY, Link, PROTOCOL_NOTIFY_SIGNATURE);
- CoreSignalEvent (ProtNotify->Event);
- }
-}
-
-
-PROTOCOL_INTERFACE *
-CoreRemoveInterfaceFromProtocol (
- IN IHANDLE *Handle,
- IN EFI_GUID *Protocol,
- IN VOID *Interface
- )
-/*++
-
-Routine Description:
-
- Removes Protocol from the protocol list (but not the handle list).
-
-Arguments:
-
- Handle - The handle to remove protocol on.
-
- Protocol - GUID of the protocol to be moved
-
- Interface - The interface of the protocol
-
-Returns:
-
- Protocol Entry
-
---*/
-{
- PROTOCOL_INTERFACE *Prot;
- PROTOCOL_NOTIFY *ProtNotify;
- PROTOCOL_ENTRY *ProtEntry;
- LIST_ENTRY *Link;
-
- ASSERT_LOCKED (&gProtocolDatabaseLock);
-
- Prot = CoreFindProtocolInterface (Handle, Protocol, Interface);
- if (Prot != NULL) {
-
- ProtEntry = Prot->Protocol;
-
- //
- // If there's a protocol notify location pointing to this entry, back it up one
- //
-
- for(Link = ProtEntry->Notify.ForwardLink; Link != &ProtEntry->Notify; Link=Link->ForwardLink) {
- ProtNotify = CR(Link, PROTOCOL_NOTIFY, Link, PROTOCOL_NOTIFY_SIGNATURE);
-
- if (ProtNotify->Position == &Prot->ByProtocol) {
- ProtNotify->Position = Prot->ByProtocol.BackLink;
- }
- }
-
- //
- // Remove the protocol interface entry
- //
-
- RemoveEntryList (&Prot->ByProtocol);
- }
-
- return Prot;
-}
-
-
-
-EFI_STATUS
-EFIAPI
-CoreRegisterProtocolNotify (
- IN EFI_GUID *Protocol,
- IN EFI_EVENT Event,
- OUT VOID **Registration
- )
-/*++
-
-Routine Description:
-
- Add a new protocol notification record for the request protocol.
-
-Arguments:
-
- Protocol - The requested protocol to add the notify registration
-
- Event - The event to signal
-
- Registration - Returns the registration record
-
-
-Returns:
-
- EFI_INVALID_PARAMETER - Invalid parameter
-
- EFI_SUCCESS - Successfully returned the registration record that has been added
-
---*/
-{
- PROTOCOL_ENTRY *ProtEntry;
- PROTOCOL_NOTIFY *ProtNotify;
- EFI_STATUS Status;
-
- if ((Protocol == NULL) || (Event == NULL) || (Registration == NULL)) {
- return EFI_INVALID_PARAMETER;
- }
-
- CoreAcquireProtocolLock ();
-
- ProtNotify = NULL;
-
- //
- // Get the protocol entry to add the notification too
- //
-
- ProtEntry = CoreFindProtocolEntry (Protocol, TRUE);
- if (ProtEntry != NULL) {
-
- //
- // Allocate a new notification record
- //
-
- ProtNotify = CoreAllocateBootServicesPool (sizeof(PROTOCOL_NOTIFY));
-
- if (ProtNotify != NULL) {
-
- ProtNotify->Signature = PROTOCOL_NOTIFY_SIGNATURE;
- ProtNotify->Protocol = ProtEntry;
- ProtNotify->Event = Event;
- //
- // start at the begining
- //
- ProtNotify->Position = &ProtEntry->Protocols;
-
- InsertTailList (&ProtEntry->Notify, &ProtNotify->Link);
- }
- }
-
- CoreReleaseProtocolLock ();
-
- //
- // Done. If we have a protocol notify entry, then return it.
- // Otherwise, we must have run out of resources trying to add one
- //
-
- Status = EFI_OUT_OF_RESOURCES;
- if (ProtNotify != NULL) {
- *Registration = ProtNotify;
- Status = EFI_SUCCESS;
- }
-
- return Status;
-}
-
-
-
-EFI_STATUS
-EFIAPI
-CoreReinstallProtocolInterface (
- IN EFI_HANDLE UserHandle,
- IN EFI_GUID *Protocol,
- IN VOID *OldInterface,
- IN VOID *NewInterface
- )
-/*++
-
-Routine Description:
-
- Reinstall a protocol interface on a device handle. The OldInterface for Protocol is replaced by the NewInterface.
-
-Arguments:
-
- UserHandle - Handle on which the interface is to be reinstalled
- Protocol - The numeric ID of the interface
- OldInterface - A pointer to the old interface
- NewInterface - A pointer to the new interface
-
-
-Returns:
-
- Status code.
-
- On EFI_SUCCESS The protocol interface was installed
- On EFI_NOT_FOUND The OldInterface on the handle was not found
- On EFI_INVALID_PARAMETER One of the parameters has an invalid value
-
---*/
-{
- EFI_STATUS Status;
- IHANDLE *Handle;
- PROTOCOL_INTERFACE *Prot;
- PROTOCOL_ENTRY *ProtEntry;
-
- Status = CoreValidateHandle (UserHandle);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- if (Protocol == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- Handle = (IHANDLE *) UserHandle;
-
- //
- // Lock the protocol database
- //
- CoreAcquireProtocolLock ();
-
- //
- // Check that Protocol exists on UserHandle, and Interface matches the interface in the database
- //
- Prot = CoreFindProtocolInterface (UserHandle, Protocol, OldInterface);
- if (Prot == NULL) {
- CoreReleaseProtocolLock ();
- return EFI_NOT_FOUND;
- }
-
- //
- // Attempt to disconnect all drivers that are using the protocol interface that is about to be reinstalled
- //
- Status = CoreDisconnectControllersUsingProtocolInterface (
- UserHandle,
- Prot
- );
- if (EFI_ERROR (Status)) {
- //
- // One or more drivers refused to release, so return the error
- //
- CoreReleaseProtocolLock ();
- return Status;
- }
-
- //
- // Remove the protocol interface from the protocol
- //
- Prot = CoreRemoveInterfaceFromProtocol (Handle, Protocol, OldInterface);
-
- if (Prot == NULL) {
- CoreReleaseProtocolLock ();
- return EFI_NOT_FOUND;
- }
-
- ProtEntry = Prot->Protocol;
-
- //
- // Update the interface on the protocol
- //
- Prot->Interface = NewInterface;
-
- //
- // Add this protocol interface to the tail of the
- // protocol entry
- //
- InsertTailList (&ProtEntry->Protocols, &Prot->ByProtocol);
-
- //
- // Update the Key to show that the handle has been created/modified
- //
- gHandleDatabaseKey++;
- Handle->Key = gHandleDatabaseKey;
-
- //
- // Release the lock and connect all drivers to UserHandle
- //
- CoreReleaseProtocolLock ();
- Status = CoreConnectController (
- UserHandle,
- NULL,
- NULL,
- TRUE
- );
- CoreAcquireProtocolLock ();
-
- //
- // Notify the notification list for this protocol
- //
- CoreNotifyProtocolEntry (ProtEntry);
-
- CoreReleaseProtocolLock ();
-
- return EFI_SUCCESS;
-}
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