diff options
Diffstat (limited to 'MdeModulePkg/Core/PiSmmCore/Notify.c')
| -rw-r--r-- | MdeModulePkg/Core/PiSmmCore/Notify.c | 202 |
1 files changed, 0 insertions, 202 deletions
diff --git a/MdeModulePkg/Core/PiSmmCore/Notify.c b/MdeModulePkg/Core/PiSmmCore/Notify.c deleted file mode 100644 index 0054fe66aa..0000000000 --- a/MdeModulePkg/Core/PiSmmCore/Notify.c +++ /dev/null @@ -1,202 +0,0 @@ -/** @file
- Support functions for UEFI protocol notification infrastructure.
-
- Copyright (c) 2009 - 2015, 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.
-
-**/
-
-#include "PiSmmCore.h"
-
-/**
- Signal event for every protocol in protocol entry.
-
- @param Prot Protocol interface
-
-**/
-VOID
-SmmNotifyProtocol (
- IN PROTOCOL_INTERFACE *Prot
- )
-{
- PROTOCOL_ENTRY *ProtEntry;
- PROTOCOL_NOTIFY *ProtNotify;
- LIST_ENTRY *Link;
-
- ProtEntry = Prot->Protocol;
- for (Link=ProtEntry->Notify.ForwardLink; Link != &ProtEntry->Notify; Link=Link->ForwardLink) {
- ProtNotify = CR(Link, PROTOCOL_NOTIFY, Link, PROTOCOL_NOTIFY_SIGNATURE);
- ProtNotify->Function (&ProtEntry->ProtocolID, Prot->Interface, Prot->Handle);
- }
-}
-
-/**
- Removes Protocol from the protocol list (but not the handle list).
-
- @param Handle The handle to remove protocol on.
- @param Protocol GUID of the protocol to be moved
- @param Interface The interface of the protocol
-
- @return Protocol Entry
-
-**/
-PROTOCOL_INTERFACE *
-SmmRemoveInterfaceFromProtocol (
- IN IHANDLE *Handle,
- IN EFI_GUID *Protocol,
- IN VOID *Interface
- )
-{
- PROTOCOL_INTERFACE *Prot;
- PROTOCOL_NOTIFY *ProtNotify;
- PROTOCOL_ENTRY *ProtEntry;
- LIST_ENTRY *Link;
-
- Prot = SmmFindProtocolInterface (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;
-}
-
-/**
- Add a new protocol notification record for the request protocol.
-
- @param Protocol The requested protocol to add the notify
- registration
- @param Function Points to the notification function
- @param Registration Returns the registration record
-
- @retval EFI_SUCCESS Successfully returned the registration record
- that has been added or unhooked
- @retval EFI_INVALID_PARAMETER Protocol is NULL or Registration is NULL
- @retval EFI_OUT_OF_RESOURCES Not enough memory resource to finish the request
- @retval EFI_NOT_FOUND If the registration is not found when Function == NULL
-
-**/
-EFI_STATUS
-EFIAPI
-SmmRegisterProtocolNotify (
- IN CONST EFI_GUID *Protocol,
- IN EFI_SMM_NOTIFY_FN Function,
- OUT VOID **Registration
- )
-{
- PROTOCOL_ENTRY *ProtEntry;
- PROTOCOL_NOTIFY *ProtNotify;
- LIST_ENTRY *Link;
- EFI_STATUS Status;
-
- if (Protocol == NULL || Registration == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- if (Function == NULL) {
- //
- // Get the protocol entry per Protocol
- //
- ProtEntry = SmmFindProtocolEntry ((EFI_GUID *) Protocol, FALSE);
- if (ProtEntry != NULL) {
- ProtNotify = (PROTOCOL_NOTIFY * )*Registration;
- for (Link = ProtEntry->Notify.ForwardLink;
- Link != &ProtEntry->Notify;
- Link = Link->ForwardLink) {
- //
- // Compare the notification record
- //
- if (ProtNotify == (CR(Link, PROTOCOL_NOTIFY, Link, PROTOCOL_NOTIFY_SIGNATURE))){
- //
- // If Registration is an existing registration, then unhook it
- //
- ProtNotify->Signature = 0;
- RemoveEntryList (&ProtNotify->Link);
- FreePool (ProtNotify);
- return EFI_SUCCESS;
- }
- }
- }
- //
- // If the registration is not found
- //
- return EFI_NOT_FOUND;
- }
-
- ProtNotify = NULL;
-
- //
- // Get the protocol entry to add the notification too
- //
- ProtEntry = SmmFindProtocolEntry ((EFI_GUID *) Protocol, TRUE);
- if (ProtEntry != NULL) {
- //
- // Find whether notification already exist
- //
- for (Link = ProtEntry->Notify.ForwardLink;
- Link != &ProtEntry->Notify;
- Link = Link->ForwardLink) {
-
- ProtNotify = CR(Link, PROTOCOL_NOTIFY, Link, PROTOCOL_NOTIFY_SIGNATURE);
- if (CompareGuid (&ProtNotify->Protocol->ProtocolID, Protocol) &&
- (ProtNotify->Function == Function)) {
-
- //
- // Notification already exist
- //
- *Registration = ProtNotify;
-
- return EFI_SUCCESS;
- }
- }
-
- //
- // Allocate a new notification record
- //
- ProtNotify = AllocatePool (sizeof(PROTOCOL_NOTIFY));
- if (ProtNotify != NULL) {
- ProtNotify->Signature = PROTOCOL_NOTIFY_SIGNATURE;
- ProtNotify->Protocol = ProtEntry;
- ProtNotify->Function = Function;
- //
- // Start at the ending
- //
- ProtNotify->Position = ProtEntry->Protocols.BackLink;
-
- InsertTailList (&ProtEntry->Notify, &ProtNotify->Link);
- }
- }
-
- //
- // 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;
-}
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