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authorkx <kx@radix.pro>2024-06-04 06:43:08 +0300
committerkx <kx@radix.pro>2024-06-04 06:43:08 +0300
commit7e2ccccace24636f29ddc210b94606abd4c7e42b (patch)
tree545d43ea12671048956cafeb12303e84d601e571 /UnitTestFrameworkPkg/Library/UnitTestUefiBootServicesTableLib/UnitTestUefiBootServicesTableLibProtocol.c
parent27b044605cd5f6b33a3d231576003850b3fe305b (diff)
downloadedk2-trunk.tar.xz
Renormalized end-of-lines from master@27b044605cd5f6b33a3d231576003850b3fe305btrunk
Diffstat (limited to 'UnitTestFrameworkPkg/Library/UnitTestUefiBootServicesTableLib/UnitTestUefiBootServicesTableLibProtocol.c')
-rw-r--r--UnitTestFrameworkPkg/Library/UnitTestUefiBootServicesTableLib/UnitTestUefiBootServicesTableLibProtocol.c3300
1 files changed, 1650 insertions, 1650 deletions
diff --git a/UnitTestFrameworkPkg/Library/UnitTestUefiBootServicesTableLib/UnitTestUefiBootServicesTableLibProtocol.c b/UnitTestFrameworkPkg/Library/UnitTestUefiBootServicesTableLib/UnitTestUefiBootServicesTableLibProtocol.c
index 437082d516..ca963c061f 100644
--- a/UnitTestFrameworkPkg/Library/UnitTestUefiBootServicesTableLib/UnitTestUefiBootServicesTableLibProtocol.c
+++ b/UnitTestFrameworkPkg/Library/UnitTestUefiBootServicesTableLib/UnitTestUefiBootServicesTableLibProtocol.c
@@ -1,1650 +1,1650 @@
-/** @file
- Implementation of protocol related services in the UEFI Boot Services table for use in unit tests.
-
-Copyright (c) Microsoft Corporation
-SPDX-License-Identifier: BSD-2-Clause-Patent
-
-**/
-
-#include "UnitTestUefiBootServicesTableLibProtocol.h"
-
-STATIC LIST_ENTRY mProtocolDatabase = INITIALIZE_LIST_HEAD_VARIABLE (mProtocolDatabase);
-STATIC LIST_ENTRY gHandleList = INITIALIZE_LIST_HEAD_VARIABLE (gHandleList);
-STATIC UINT64 gHandleDatabaseKey = 0;
-STATIC UINTN mEfiLocateHandleRequest = 0;
-
-//
-// Helper Functions
-//
-
-/**
- Check whether a handle is a valid EFI_HANDLE
-
- @param UserHandle The handle to check
-
- @retval EFI_INVALID_PARAMETER The handle is NULL or not a valid EFI_HANDLE.
- @retval EFI_SUCCESS The handle is valid EFI_HANDLE.
-
-**/
-EFI_STATUS
-UnitTestValidateHandle (
- IN EFI_HANDLE UserHandle
- )
-{
- IHANDLE *Handle;
- LIST_ENTRY *Link;
-
- if (UserHandle == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- for (Link = gHandleList.BackLink; Link != &gHandleList; Link = Link->BackLink) {
- Handle = CR (Link, IHANDLE, AllHandles, EFI_HANDLE_SIGNATURE);
- if (Handle == (IHANDLE *)UserHandle) {
- return EFI_SUCCESS;
- }
- }
-
- return EFI_INVALID_PARAMETER;
-}
-
-/**
- Finds the protocol entry for the requested protocol.
-
- @param Protocol The ID of the protocol
- @param Create Create a new entry if not found
-
- @return Protocol entry
-
-**/
-PROTOCOL_ENTRY *
-UnitTestFindProtocolEntry (
- IN EFI_GUID *Protocol,
- IN BOOLEAN Create
- )
-{
- LIST_ENTRY *Link;
- PROTOCOL_ENTRY *Item;
- PROTOCOL_ENTRY *ProtEntry;
-
- //
- // Search the database for the matching GUID
- //
-
- ProtEntry = NULL;
- for (Link = mProtocolDatabase.ForwardLink;
- Link != &mProtocolDatabase;
- Link = Link->ForwardLink)
- {
- Item = CR (Link, PROTOCOL_ENTRY, AllEntries, PROTOCOL_ENTRY_SIGNATURE);
- if (CompareGuid (&Item->ProtocolID, Protocol)) {
- //
- // This is the protocol entry
- //
-
- ProtEntry = Item;
- break;
- }
- }
-
- //
- // If the protocol entry was not found and Create is TRUE, then
- // allocate a new entry
- //
- if ((ProtEntry == NULL) && Create) {
- ProtEntry = AllocatePool (sizeof (PROTOCOL_ENTRY));
-
- if (ProtEntry != NULL) {
- //
- // Initialize new protocol entry structure
- //
- ProtEntry->Signature = PROTOCOL_ENTRY_SIGNATURE;
- CopyGuid ((VOID *)&ProtEntry->ProtocolID, Protocol);
- InitializeListHead (&ProtEntry->Protocols);
- InitializeListHead (&ProtEntry->Notify);
-
- //
- // Add it to protocol database
- //
- InsertTailList (&mProtocolDatabase, &ProtEntry->AllEntries);
- }
- }
-
- return ProtEntry;
-}
-
-/**
- Finds the protocol instance for the requested handle and protocol.
- Note: This function doesn't do parameters checking, it's caller's responsibility
- to pass in valid parameters.
-
- @param Handle The handle to search the protocol on
- @param Protocol GUID of the protocol
- @param Interface The interface for the protocol being searched
-
- @return Protocol instance (NULL: Not found)
-
-**/
-PROTOCOL_INTERFACE *
-UnitTestFindProtocolInterface (
- IN IHANDLE *Handle,
- IN EFI_GUID *Protocol,
- IN VOID *Interface
- )
-{
- PROTOCOL_INTERFACE *Prot;
- PROTOCOL_ENTRY *ProtEntry;
- LIST_ENTRY *Link;
-
- Prot = NULL;
-
- //
- // Lookup the protocol entry for this protocol ID
- //
-
- ProtEntry = UnitTestFindProtocolEntry (Protocol, FALSE);
- if (ProtEntry != NULL) {
- //
- // Look at each protocol interface for any matches
- //
- for (Link = Handle->Protocols.ForwardLink; Link != &Handle->Protocols; Link = Link->ForwardLink) {
- //
- // If this protocol interface matches, remove it
- //
- Prot = CR (Link, PROTOCOL_INTERFACE, Link, PROTOCOL_INTERFACE_SIGNATURE);
- if ((Prot->Interface == Interface) && (Prot->Protocol == ProtEntry)) {
- break;
- }
-
- Prot = NULL;
- }
- }
-
- return Prot;
-}
-
-/**
- Signal event for every protocol in protocol entry.
-
- @param ProtEntry Protocol entry
-
-**/
-VOID
-UnitTestNotifyProtocolEntry (
- IN PROTOCOL_ENTRY *ProtEntry
- )
-{
- PROTOCOL_NOTIFY *ProtNotify;
- LIST_ENTRY *Link;
-
- for (Link = ProtEntry->Notify.ForwardLink; Link != &ProtEntry->Notify; Link = Link->ForwardLink) {
- ProtNotify = CR (Link, PROTOCOL_NOTIFY, Link, PROTOCOL_NOTIFY_SIGNATURE);
- UnitTestSignalEvent (ProtNotify->Event);
- }
-}
-
-/**
- Routine to get the next Handle, when you are searching for all handles.
-
- @param Position Information about which Handle to seach for.
- @param Interface Return the interface structure for the matching
- protocol.
-
- @return An pointer to IHANDLE if the next Position is not the end of the list.
- Otherwise,NULL is returned.
-
-**/
-IHANDLE *
-UnitTestGetNextLocateAllHandles (
- IN OUT LOCATE_POSITION *Position,
- OUT VOID **Interface
- )
-{
- IHANDLE *Handle;
-
- //
- // Next handle
- //
- Position->Position = Position->Position->ForwardLink;
-
- //
- // If not at the end of the list, get the handle
- //
- Handle = NULL;
- *Interface = NULL;
- if (Position->Position != &gHandleList) {
- Handle = CR (Position->Position, IHANDLE, AllHandles, EFI_HANDLE_SIGNATURE);
- }
-
- return Handle;
-}
-
-/**
- Routine to get the next Handle, when you are searching for register protocol
- notifies.
-
- @param Position Information about which Handle to seach for.
- @param Interface Return the interface structure for the matching
- protocol.
-
- @return An pointer to IHANDLE if the next Position is not the end of the list.
- Otherwise,NULL is returned.
-
-**/
-IHANDLE *
-UnitTestGetNextLocateByRegisterNotify (
- IN OUT LOCATE_POSITION *Position,
- OUT VOID **Interface
- )
-{
- IHANDLE *Handle;
- PROTOCOL_NOTIFY *ProtNotify;
- PROTOCOL_INTERFACE *Prot;
- LIST_ENTRY *Link;
-
- Handle = NULL;
- *Interface = NULL;
- ProtNotify = Position->SearchKey;
-
- //
- // If this is the first request, get the next handle
- //
- if (ProtNotify != NULL) {
- ASSERT (ProtNotify->Signature == PROTOCOL_NOTIFY_SIGNATURE);
- Position->SearchKey = NULL;
-
- //
- // If not at the end of the list, get the next handle
- //
- Link = ProtNotify->Position->ForwardLink;
- if (Link != &ProtNotify->Protocol->Protocols) {
- Prot = CR (Link, PROTOCOL_INTERFACE, ByProtocol, PROTOCOL_INTERFACE_SIGNATURE);
- Handle = Prot->Handle;
- *Interface = Prot->Interface;
- }
- }
-
- return Handle;
-}
-
-/**
- Routine to get the next Handle, when you are searching for a given protocol.
-
- @param Position Information about which Handle to seach for.
- @param Interface Return the interface structure for the matching
- protocol.
-
- @return An pointer to IHANDLE if the next Position is not the end of the list.
- Otherwise,NULL is returned.
-
-**/
-IHANDLE *
-UnitTestGetNextLocateByProtocol (
- IN OUT LOCATE_POSITION *Position,
- OUT VOID **Interface
- )
-{
- IHANDLE *Handle;
- LIST_ENTRY *Link;
- PROTOCOL_INTERFACE *Prot;
-
- Handle = NULL;
- *Interface = NULL;
- for ( ; ;) {
- //
- // Next entry
- //
- Link = Position->Position->ForwardLink;
- Position->Position = Link;
-
- //
- // If not at the end, return the handle
- //
- if (Link == &Position->ProtEntry->Protocols) {
- Handle = NULL;
- break;
- }
-
- //
- // Get the handle
- //
- Prot = CR (Link, PROTOCOL_INTERFACE, ByProtocol, PROTOCOL_INTERFACE_SIGNATURE);
- Handle = Prot->Handle;
- *Interface = Prot->Interface;
-
- //
- // If this handle has not been returned this request, then
- // return it now
- //
- if (Handle->LocateRequest != mEfiLocateHandleRequest) {
- Handle->LocateRequest = mEfiLocateHandleRequest;
- break;
- }
- }
-
- return Handle;
-}
-
-/**
- Attempts to disconnect all drivers that are using the protocol interface being queried.
- If failed, reconnect all drivers disconnected.
- Note: This function doesn't do parameters checking, it's caller's responsibility
- to pass in valid parameters.
-
- @param UserHandle The handle on which the protocol is installed
- @param Prot The protocol to disconnect drivers from
-
- @retval EFI_SUCCESS Drivers using the protocol interface are all
- disconnected
- @retval EFI_ACCESS_DENIED Failed to disconnect one or all of the drivers
-
-**/
-EFI_STATUS
-UnitTestDisconnectControllersUsingProtocolInterface (
- IN EFI_HANDLE UserHandle,
- IN PROTOCOL_INTERFACE *Prot
- )
-{
- EFI_STATUS Status;
- BOOLEAN ItemFound;
- LIST_ENTRY *Link;
- OPEN_PROTOCOL_DATA *OpenData;
-
- Status = EFI_SUCCESS;
-
- //
- // Attempt to disconnect all drivers from this protocol interface
- //
- do {
- ItemFound = FALSE;
- for (Link = Prot->OpenList.ForwardLink; Link != &Prot->OpenList; Link = Link->ForwardLink) {
- OpenData = CR (Link, OPEN_PROTOCOL_DATA, Link, OPEN_PROTOCOL_DATA_SIGNATURE);
- if ((OpenData->Attributes & EFI_OPEN_PROTOCOL_BY_DRIVER) != 0) {
- Status = UnitTestDisconnectController (UserHandle, OpenData->AgentHandle, NULL);
- if (!EFI_ERROR (Status)) {
- ItemFound = TRUE;
- }
-
- break;
- }
- }
- } while (ItemFound);
-
- if (!EFI_ERROR (Status)) {
- //
- // Attempt to remove BY_HANDLE_PROTOCOL and GET_PROTOCOL and TEST_PROTOCOL Open List items
- //
- for (Link = Prot->OpenList.ForwardLink; Link != &Prot->OpenList;) {
- OpenData = CR (Link, OPEN_PROTOCOL_DATA, Link, OPEN_PROTOCOL_DATA_SIGNATURE);
- if ((OpenData->Attributes &
- (EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL | EFI_OPEN_PROTOCOL_GET_PROTOCOL | EFI_OPEN_PROTOCOL_TEST_PROTOCOL)) != 0)
- {
- Link = RemoveEntryList (&OpenData->Link);
- Prot->OpenListCount--;
- FreePool (OpenData);
- } else {
- Link = Link->ForwardLink;
- }
- }
- }
-
- //
- // If there are errors or still has open items in the list, then reconnect all the drivers and return an error
- //
- if (EFI_ERROR (Status) || (Prot->OpenListCount > 0)) {
- UnitTestConnectController (UserHandle, NULL, NULL, TRUE);
- Status = EFI_ACCESS_DENIED;
- }
-
- return Status;
-}
-
-/**
- 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 *
-UnitTestRemoveInterfaceFromProtocol (
- IN IHANDLE *Handle,
- IN EFI_GUID *Protocol,
- IN VOID *Interface
- )
-{
- PROTOCOL_INTERFACE *Prot;
- PROTOCOL_NOTIFY *ProtNotify;
- PROTOCOL_ENTRY *ProtEntry;
- LIST_ENTRY *Link;
-
- Prot = UnitTestFindProtocolInterface (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;
-}
-
-//
-// Boot Services Function Implementation
-//
-
-/**
- Locate a certain GUID protocol interface in a Handle's protocols.
-
- @param UserHandle The handle to obtain the protocol interface on
- @param Protocol The GUID of the protocol
-
- @return The requested protocol interface for the handle
-
-**/
-PROTOCOL_INTERFACE *
-UnitTestGetProtocolInterface (
- IN EFI_HANDLE UserHandle,
- IN EFI_GUID *Protocol
- )
-{
- EFI_STATUS Status;
- PROTOCOL_ENTRY *ProtEntry;
- PROTOCOL_INTERFACE *Prot;
- IHANDLE *Handle;
- LIST_ENTRY *Link;
-
- Status = UnitTestValidateHandle (UserHandle);
- if (EFI_ERROR (Status)) {
- return NULL;
- }
-
- Handle = (IHANDLE *)UserHandle;
-
- //
- // Look at each protocol interface for a match
- //
- for (Link = Handle->Protocols.ForwardLink; Link != &Handle->Protocols; Link = Link->ForwardLink) {
- Prot = CR (Link, PROTOCOL_INTERFACE, Link, PROTOCOL_INTERFACE_SIGNATURE);
- ProtEntry = Prot->Protocol;
- if (CompareGuid (&ProtEntry->ProtocolID, Protocol)) {
- return Prot;
- }
- }
-
- return NULL;
-}
-
-/**
- Installs a protocol interface into the boot services environment.
-
- @param UserHandle The handle to install the protocol handler on,
- or NULL if a new handle is to be allocated
- @param Protocol The protocol to add to the handle
- @param InterfaceType Indicates whether Interface is supplied in
- native form.
- @param Interface The interface for the protocol being added
- @param Notify indicates whether notify the notification list
- for this protocol
-
- @retval EFI_INVALID_PARAMETER Invalid parameter
- @retval EFI_OUT_OF_RESOURCES No enough buffer to allocate
- @retval EFI_SUCCESS Protocol interface successfully installed
-
-**/
-EFI_STATUS
-UnitTestInstallProtocolInterfaceNotify (
- IN OUT EFI_HANDLE *UserHandle,
- IN EFI_GUID *Protocol,
- IN EFI_INTERFACE_TYPE InterfaceType,
- IN VOID *Interface,
- IN BOOLEAN Notify
- )
-{
- PROTOCOL_INTERFACE *Prot;
- PROTOCOL_ENTRY *ProtEntry;
- IHANDLE *Handle;
- EFI_STATUS Status;
- VOID *ExistingInterface;
-
- //
- // returns EFI_INVALID_PARAMETER if InterfaceType is invalid.
- // Also added check for invalid UserHandle and Protocol pointers.
- //
- if ((UserHandle == NULL) || (Protocol == NULL)) {
- return EFI_INVALID_PARAMETER;
- }
-
- if (InterfaceType != EFI_NATIVE_INTERFACE) {
- return EFI_INVALID_PARAMETER;
- }
-
- //
- // Print debug message
- //
- UT_LOG_INFO ("InstallProtocolInterface: %g %p\n", Protocol, Interface);
-
- Status = EFI_OUT_OF_RESOURCES;
- Prot = NULL;
- Handle = NULL;
-
- if (*UserHandle != NULL) {
- Status = UnitTestHandleProtocol (*UserHandle, Protocol, (VOID **)&ExistingInterface);
- if (!EFI_ERROR (Status)) {
- return EFI_INVALID_PARAMETER;
- }
- }
-
- //
- // Lookup the Protocol Entry for the requested protocol
- //
- ProtEntry = UnitTestFindProtocolEntry (Protocol, TRUE);
- if (ProtEntry == NULL) {
- goto Done;
- }
-
- //
- // Allocate a new protocol interface structure
- //
- Prot = AllocateZeroPool (sizeof (PROTOCOL_INTERFACE));
- if (Prot == NULL) {
- Status = EFI_OUT_OF_RESOURCES;
- goto Done;
- }
-
- //
- // If caller didn't supply a handle, allocate a new one
- //
- Handle = (IHANDLE *)*UserHandle;
- if (Handle == NULL) {
- Handle = AllocateZeroPool (sizeof (IHANDLE));
- if (Handle == NULL) {
- Status = EFI_OUT_OF_RESOURCES;
- goto Done;
- }
-
- //
- // Initialize new handler structure
- //
- Handle->Signature = EFI_HANDLE_SIGNATURE;
- InitializeListHead (&Handle->Protocols);
-
- //
- // Initialize the Key to show that the handle has been created/modified
- //
- gHandleDatabaseKey++;
- Handle->Key = gHandleDatabaseKey;
-
- //
- // Add this handle to the list global list of all handles
- // in the system
- //
- InsertTailList (&gHandleList, &Handle->AllHandles);
- } else {
- Status = UnitTestValidateHandle (Handle);
- if (EFI_ERROR (Status)) {
- DEBUG ((DEBUG_ERROR, "InstallProtocolInterface: input handle at 0x%x is invalid\n", Handle));
- goto Done;
- }
- }
-
- //
- // Each interface that is added must be unique
- //
- ASSERT (UnitTestFindProtocolInterface (Handle, Protocol, Interface) == NULL);
-
- //
- // Initialize the protocol interface structure
- //
- Prot->Signature = PROTOCOL_INTERFACE_SIGNATURE;
- Prot->Handle = Handle;
- Prot->Protocol = ProtEntry;
- Prot->Interface = Interface;
-
- //
- // Initialize OpenProtocol Data base
- //
- InitializeListHead (&Prot->OpenList);
- Prot->OpenListCount = 0;
-
- //
- // Add this protocol interface to the head of the supported
- // protocol list for this handle
- //
- InsertHeadList (&Handle->Protocols, &Prot->Link);
-
- //
- // Add this protocol interface to the tail of the
- // protocol entry
- //
- InsertTailList (&ProtEntry->Protocols, &Prot->ByProtocol);
-
- //
- // Notify the notification list for this protocol
- //
- if (Notify) {
- UnitTestNotifyProtocolEntry (ProtEntry);
- }
-
- Status = EFI_SUCCESS;
-
-Done:
- if (!EFI_ERROR (Status)) {
- //
- // Return the new handle back to the caller
- //
- *UserHandle = Handle;
- } else {
- //
- // There was an error, clean up
- //
- if (Prot != NULL) {
- UnitTestFreePool (Prot);
- }
-
- DEBUG ((DEBUG_ERROR, "InstallProtocolInterface: %g %p failed with %r\n", Protocol, Interface, Status));
- }
-
- return Status;
-}
-
-/**
- Wrapper function to UnitTestInstallProtocolInterfaceNotify. This is the public API which
- Calls the private one which contains a BOOLEAN parameter for notifications
-
- @param UserHandle The handle to install the protocol handler on,
- or NULL if a new handle is to be allocated
- @param Protocol The protocol to add to the handle
- @param InterfaceType Indicates whether Interface is supplied in
- native form.
- @param Interface The interface for the protocol being added
-
- @return Status code
-
-**/
-EFI_STATUS
-EFIAPI
-UnitTestInstallProtocolInterface (
- IN OUT EFI_HANDLE *UserHandle,
- IN EFI_GUID *Protocol,
- IN EFI_INTERFACE_TYPE InterfaceType,
- IN VOID *Interface
- )
-{
- return UnitTestInstallProtocolInterfaceNotify (
- UserHandle,
- Protocol,
- InterfaceType,
- Interface,
- TRUE
- );
-}
-
-/**
- Reinstall a protocol interface on a device handle. The OldInterface for Protocol is replaced by the NewInterface.
-
- @param UserHandle Handle on which the interface is to be
- reinstalled
- @param Protocol The numeric ID of the interface
- @param OldInterface A pointer to the old interface
- @param NewInterface A pointer to the new interface
-
- @retval EFI_SUCCESS The protocol interface was installed
- @retval EFI_NOT_FOUND The OldInterface on the handle was not found
- @retval EFI_INVALID_PARAMETER One of the parameters has an invalid value
-
-**/
-EFI_STATUS
-EFIAPI
-UnitTestReinstallProtocolInterface (
- IN EFI_HANDLE UserHandle,
- IN EFI_GUID *Protocol,
- IN VOID *OldInterface,
- IN VOID *NewInterface
- )
-{
- return EFI_NOT_AVAILABLE_YET;
-}
-
-/**
- Uninstalls all instances of a protocol:interfacer from a handle.
- If the last protocol interface is remove from the handle, the
- handle is freed.
-
- @param UserHandle The handle to remove the protocol handler from
- @param Protocol The protocol, of protocol:interface, to remove
- @param Interface The interface, of protocol:interface, to remove
-
- @retval EFI_INVALID_PARAMETER Protocol is NULL.
- @retval EFI_SUCCESS Protocol interface successfully uninstalled.
-
-**/
-EFI_STATUS
-EFIAPI
-UnitTestUninstallProtocolInterface (
- IN EFI_HANDLE UserHandle,
- IN EFI_GUID *Protocol,
- IN VOID *Interface
- )
-{
- EFI_STATUS Status;
- IHANDLE *Handle;
- PROTOCOL_INTERFACE *Prot;
-
- //
- // Check that Protocol is valid
- //
- if (Protocol == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- //
- // Check that UserHandle is a valid handle
- //
- Status = UnitTestValidateHandle (UserHandle);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- //
- // Check that Protocol exists on UserHandle, and Interface matches the interface in the database
- //
- Prot = UnitTestFindProtocolInterface (UserHandle, Protocol, Interface);
- if (Prot == NULL) {
- Status = EFI_NOT_FOUND;
- goto Done;
- }
-
- //
- // Attempt to disconnect all drivers that are using the protocol interface that is about to be removed
- //
- Status = UnitTestDisconnectControllersUsingProtocolInterface (
- UserHandle,
- Prot
- );
- if (EFI_ERROR (Status)) {
- //
- // One or more drivers refused to release, so return the error
- //
- goto Done;
- }
-
- //
- // Remove the protocol interface from the protocol
- //
- Status = EFI_NOT_FOUND;
- Handle = (IHANDLE *)UserHandle;
- Prot = UnitTestRemoveInterfaceFromProtocol (Handle, Protocol, Interface);
-
- if (Prot != NULL) {
- //
- // Update the Key to show that the handle has been created/modified
- //
- gHandleDatabaseKey++;
- Handle->Key = gHandleDatabaseKey;
-
- //
- // Remove the protocol interface from the handle
- //
- RemoveEntryList (&Prot->Link);
-
- //
- // Free the memory
- //
- Prot->Signature = 0;
- FreePool (Prot);
- Status = EFI_SUCCESS;
- }
-
- //
- // If there are no more handlers for the handle, free the handle
- //
- if (IsListEmpty (&Handle->Protocols)) {
- Handle->Signature = 0;
- RemoveEntryList (&Handle->AllHandles);
- FreePool (Handle);
- }
-
-Done:
- return Status;
-}
-
-/**
- Queries a handle to determine if it supports a specified protocol.
-
- @param UserHandle The handle being queried.
- @param Protocol The published unique identifier of the protocol.
- @param Interface Supplies the address where a pointer to the
- corresponding Protocol Interface is returned.
-
- @return The requested protocol interface for the handle
-
-**/
-EFI_STATUS
-EFIAPI
-UnitTestHandleProtocol (
- IN EFI_HANDLE UserHandle,
- IN EFI_GUID *Protocol,
- OUT VOID **Interface
- )
-{
- return UnitTestOpenProtocol (
- UserHandle,
- Protocol,
- Interface,
- gImageHandle,
- NULL,
- EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL
- );
-}
-
-/**
- Add a new protocol notification record for the request protocol.
-
- @param Protocol The requested protocol to add the notify
- registration
- @param Event The event to signal
- @param Registration Returns the registration record
-
- @retval EFI_INVALID_PARAMETER Invalid parameter
- @retval EFI_SUCCESS Successfully returned the registration record
- that has been added
-
-**/
-EFI_STATUS
-EFIAPI
-UnitTestRegisterProtocolNotify (
- IN EFI_GUID *Protocol,
- IN EFI_EVENT Event,
- OUT VOID **Registration
- )
-{
- return EFI_NOT_AVAILABLE_YET;
-}
-
-/**
- Locates the requested handle(s) and returns them in Buffer.
-
- @param SearchType The type of search to perform to locate the
- handles
- @param Protocol The protocol to search for
- @param SearchKey Dependant on SearchType
- @param BufferSize On input the size of Buffer. On output the
- size of data returned.
- @param Buffer The buffer to return the results in
-
- @retval EFI_BUFFER_TOO_SMALL Buffer too small, required buffer size is
- returned in BufferSize.
- @retval EFI_INVALID_PARAMETER Invalid parameter
- @retval EFI_SUCCESS Successfully found the requested handle(s) and
- returns them in Buffer.
-
-**/
-EFI_STATUS
-EFIAPI
-UnitTestLocateHandle (
- IN EFI_LOCATE_SEARCH_TYPE SearchType,
- IN EFI_GUID *Protocol OPTIONAL,
- IN VOID *SearchKey OPTIONAL,
- IN OUT UINTN *BufferSize,
- OUT EFI_HANDLE *Buffer
- )
-{
- EFI_STATUS Status;
- LOCATE_POSITION Position;
- PROTOCOL_NOTIFY *ProtNotify;
- UNIT_TEST_GET_NEXT GetNext;
- UINTN ResultSize;
- IHANDLE *Handle;
- IHANDLE **ResultBuffer;
- VOID *Interface;
-
- if (BufferSize == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- if ((*BufferSize > 0) && (Buffer == NULL)) {
- return EFI_INVALID_PARAMETER;
- }
-
- GetNext = NULL;
-
- //
- // Set initial position
- //
- Position.Protocol = Protocol;
- Position.SearchKey = SearchKey;
- Position.Position = &gHandleList;
-
- ResultSize = 0;
- ResultBuffer = (IHANDLE **)Buffer;
- Status = EFI_SUCCESS;
-
- //
- // Get the search function based on type
- //
- switch (SearchType) {
- case AllHandles:
- GetNext = UnitTestGetNextLocateAllHandles;
- break;
-
- case ByRegisterNotify:
- //
- // Must have SearchKey for locate ByRegisterNotify
- //
- if (SearchKey == NULL) {
- Status = EFI_INVALID_PARAMETER;
- break;
- }
-
- GetNext = UnitTestGetNextLocateByRegisterNotify;
- break;
-
- case ByProtocol:
- GetNext = UnitTestGetNextLocateByProtocol;
- if (Protocol == NULL) {
- Status = EFI_INVALID_PARAMETER;
- break;
- }
-
- //
- // Look up the protocol entry and set the head pointer
- //
- Position.ProtEntry = UnitTestFindProtocolEntry (Protocol, FALSE);
- if (Position.ProtEntry == NULL) {
- Status = EFI_NOT_FOUND;
- break;
- }
-
- Position.Position = &Position.ProtEntry->Protocols;
- break;
-
- default:
- Status = EFI_INVALID_PARAMETER;
- break;
- }
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- ASSERT (GetNext != NULL);
- //
- // Enumerate out the matching handles
- //
- mEfiLocateHandleRequest += 1;
- for ( ; ;) {
- //
- // Get the next handle. If no more handles, stop
- //
- Handle = GetNext (&Position, &Interface);
- if (NULL == Handle) {
- break;
- }
-
- //
- // Increase the resulting buffer size, and if this handle
- // fits return it
- //
- ResultSize += sizeof (Handle);
- if (ResultSize <= *BufferSize) {
- *ResultBuffer = Handle;
- ResultBuffer += 1;
- }
- }
-
- //
- // If the result is a zero length buffer, then there were no
- // matching handles
- //
- if (ResultSize == 0) {
- Status = EFI_NOT_FOUND;
- } else {
- //
- // Return the resulting buffer size. If it's larger than what
- // was passed, then set the error code
- //
- if (ResultSize > *BufferSize) {
- Status = EFI_BUFFER_TOO_SMALL;
- }
-
- *BufferSize = ResultSize;
-
- if ((SearchType == ByRegisterNotify) && !EFI_ERROR (Status)) {
- //
- // If this is a search by register notify and a handle was
- // returned, update the register notification position
- //
- ASSERT (SearchKey != NULL);
- ProtNotify = SearchKey;
- ProtNotify->Position = ProtNotify->Position->ForwardLink;
- }
- }
-
- return Status;
-}
-
-/**
- Locates the handle to a device on the device path that best matches the specified protocol.
-
- @param Protocol The protocol to search for.
- @param DevicePath On input, a pointer to a pointer to the device
- path. On output, the device path pointer is
- modified to point to the remaining part of the
- devicepath.
- @param Device A pointer to the returned device handle.
-
- @retval EFI_SUCCESS The resulting handle was returned.
- @retval EFI_NOT_FOUND No handles matched the search.
- @retval EFI_INVALID_PARAMETER One of the parameters has an invalid value.
-
-**/
-EFI_STATUS
-EFIAPI
-UnitTestLocateDevicePath (
- IN EFI_GUID *Protocol,
- IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath,
- OUT EFI_HANDLE *Device
- )
-{
- return EFI_NOT_AVAILABLE_YET;
-}
-
-/**
- Boot Service called to add, modify, or remove a system configuration table from
- the EFI System Table.
-
- @param Guid Pointer to the GUID for the entry to add, update, or
- remove
- @param Table Pointer to the configuration table for the entry to add,
- update, or remove, may be NULL.
-
- @return EFI_SUCCESS Guid, Table pair added, updated, or removed.
- @return EFI_INVALID_PARAMETER Input GUID not valid.
- @return EFI_NOT_FOUND Attempted to delete non-existant entry
- @return EFI_OUT_OF_RESOURCES Not enough memory available
-
-**/
-EFI_STATUS
-EFIAPI
-UnitTestInstallConfigurationTable (
- IN EFI_GUID *Guid,
- IN VOID *Table
- )
-{
- return EFI_NOT_AVAILABLE_YET;
-}
-
-/**
- Locates the installed protocol handler for the handle, and
- invokes it to obtain the protocol interface. Usage information
- is registered in the protocol data base.
-
- @param UserHandle The handle to obtain the protocol interface on
- @param Protocol The ID of the protocol
- @param Interface The location to return the protocol interface
- @param ImageHandle The handle of the Image that is opening the
- protocol interface specified by Protocol and
- Interface.
- @param ControllerHandle The controller handle that is requiring this
- interface.
- @param Attributes The open mode of the protocol interface
- specified by Handle and Protocol.
-
- @retval EFI_INVALID_PARAMETER Protocol is NULL.
- @retval EFI_SUCCESS Get the protocol interface.
-
-**/
-EFI_STATUS
-EFIAPI
-UnitTestOpenProtocol (
- IN EFI_HANDLE UserHandle,
- IN EFI_GUID *Protocol,
- OUT VOID **Interface OPTIONAL,
- IN EFI_HANDLE ImageHandle,
- IN EFI_HANDLE ControllerHandle,
- IN UINT32 Attributes
- )
-{
- EFI_STATUS Status;
- PROTOCOL_INTERFACE *Prot;
- LIST_ENTRY *Link;
- OPEN_PROTOCOL_DATA *OpenData;
- BOOLEAN ByDriver;
- BOOLEAN Exclusive;
- BOOLEAN Disconnect;
- BOOLEAN ExactMatch;
-
- //
- // Check for invalid Protocol
- //
- if (Protocol == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- //
- // Check for invalid Interface
- //
- if ((Attributes != EFI_OPEN_PROTOCOL_TEST_PROTOCOL) && (Interface == NULL)) {
- return EFI_INVALID_PARAMETER;
- }
-
- //
- // Check for invalid UserHandle
- //
- Status = UnitTestValidateHandle (UserHandle);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- //
- // Check for invalid Attributes
- //
- switch (Attributes) {
- case EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER:
- Status = UnitTestValidateHandle (ImageHandle);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- Status = UnitTestValidateHandle (ControllerHandle);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- if (UserHandle == ControllerHandle) {
- return EFI_INVALID_PARAMETER;
- }
-
- break;
- case EFI_OPEN_PROTOCOL_BY_DRIVER:
- case EFI_OPEN_PROTOCOL_BY_DRIVER | EFI_OPEN_PROTOCOL_EXCLUSIVE:
- Status = UnitTestValidateHandle (ImageHandle);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- Status = UnitTestValidateHandle (ControllerHandle);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- break;
- case EFI_OPEN_PROTOCOL_EXCLUSIVE:
- Status = UnitTestValidateHandle (ImageHandle);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- break;
- case EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL:
- case EFI_OPEN_PROTOCOL_GET_PROTOCOL:
- case EFI_OPEN_PROTOCOL_TEST_PROTOCOL:
- break;
- default:
- return EFI_INVALID_PARAMETER;
- }
-
- //
- // Look at each protocol interface for a match
- //
- Prot = UnitTestGetProtocolInterface (UserHandle, Protocol);
- if (Prot == NULL) {
- Status = EFI_UNSUPPORTED;
- goto Done;
- }
-
- Status = EFI_SUCCESS;
-
- ByDriver = FALSE;
- Exclusive = FALSE;
- for ( Link = Prot->OpenList.ForwardLink; Link != &Prot->OpenList; Link = Link->ForwardLink) {
- OpenData = CR (Link, OPEN_PROTOCOL_DATA, Link, OPEN_PROTOCOL_DATA_SIGNATURE);
- ExactMatch = (BOOLEAN)((OpenData->AgentHandle == ImageHandle) &&
- (OpenData->Attributes == Attributes) &&
- (OpenData->ControllerHandle == ControllerHandle));
- if ((OpenData->Attributes & EFI_OPEN_PROTOCOL_BY_DRIVER) != 0) {
- ByDriver = TRUE;
- if (ExactMatch) {
- Status = EFI_ALREADY_STARTED;
- goto Done;
- }
- }
-
- if ((OpenData->Attributes & EFI_OPEN_PROTOCOL_EXCLUSIVE) != 0) {
- Exclusive = TRUE;
- } else if (ExactMatch) {
- OpenData->OpenCount++;
- Status = EFI_SUCCESS;
- goto Done;
- }
- }
-
- //
- // ByDriver TRUE -> A driver is managing (UserHandle, Protocol)
- // ByDriver FALSE -> There are no drivers managing (UserHandle, Protocol)
- // Exclusive TRUE -> Something has exclusive access to (UserHandle, Protocol)
- // Exclusive FALSE -> Nothing has exclusive access to (UserHandle, Protocol)
- //
-
- switch (Attributes) {
- case EFI_OPEN_PROTOCOL_BY_DRIVER:
- if (Exclusive || ByDriver) {
- Status = EFI_ACCESS_DENIED;
- goto Done;
- }
-
- break;
- case EFI_OPEN_PROTOCOL_BY_DRIVER | EFI_OPEN_PROTOCOL_EXCLUSIVE:
- case EFI_OPEN_PROTOCOL_EXCLUSIVE:
- if (Exclusive) {
- Status = EFI_ACCESS_DENIED;
- goto Done;
- }
-
- if (ByDriver) {
- do {
- Disconnect = FALSE;
- for (Link = Prot->OpenList.ForwardLink; Link != &Prot->OpenList; Link = Link->ForwardLink) {
- OpenData = CR (Link, OPEN_PROTOCOL_DATA, Link, OPEN_PROTOCOL_DATA_SIGNATURE);
- if ((OpenData->Attributes & EFI_OPEN_PROTOCOL_BY_DRIVER) != 0) {
- Disconnect = TRUE;
- Status = UnitTestDisconnectController (UserHandle, OpenData->AgentHandle, NULL);
- if (EFI_ERROR (Status)) {
- Status = EFI_ACCESS_DENIED;
- goto Done;
- } else {
- break;
- }
- }
- }
- } while (Disconnect);
- }
-
- break;
- case EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER:
- case EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL:
- case EFI_OPEN_PROTOCOL_GET_PROTOCOL:
- case EFI_OPEN_PROTOCOL_TEST_PROTOCOL:
- break;
- }
-
- if (ImageHandle == NULL) {
- Status = EFI_SUCCESS;
- goto Done;
- }
-
- //
- // Create new entry
- //
- OpenData = AllocatePool (sizeof (OPEN_PROTOCOL_DATA));
- if (OpenData == NULL) {
- Status = EFI_OUT_OF_RESOURCES;
- } else {
- OpenData->Signature = OPEN_PROTOCOL_DATA_SIGNATURE;
- OpenData->AgentHandle = ImageHandle;
- OpenData->ControllerHandle = ControllerHandle;
- OpenData->Attributes = Attributes;
- OpenData->OpenCount = 1;
- InsertTailList (&Prot->OpenList, &OpenData->Link);
- Prot->OpenListCount++;
- Status = EFI_SUCCESS;
- }
-
-Done:
-
- if (Attributes != EFI_OPEN_PROTOCOL_TEST_PROTOCOL) {
- //
- // Keep Interface unmodified in case of any Error
- // except EFI_ALREADY_STARTED and EFI_UNSUPPORTED.
- //
- if (!EFI_ERROR (Status) || (Status == EFI_ALREADY_STARTED)) {
- //
- // According to above logic, if 'Prot' is NULL, then the 'Status' must be
- // EFI_UNSUPPORTED. Here the 'Status' is not EFI_UNSUPPORTED, so 'Prot'
- // must be not NULL.
- //
- // The ASSERT here is for addressing a false positive NULL pointer
- // dereference issue raised from static analysis.
- //
- ASSERT (Prot != NULL);
- //
- // EFI_ALREADY_STARTED is not an error for bus driver.
- // Return the corresponding protocol interface.
- //
- *Interface = Prot->Interface;
- } else if (Status == EFI_UNSUPPORTED) {
- //
- // Return NULL Interface if Unsupported Protocol.
- //
- *Interface = NULL;
- }
- }
-
- return Status;
-}
-
-/**
- Closes a protocol on a handle that was opened using OpenProtocol().
-
- @param UserHandle The handle for the protocol interface that was
- previously opened with OpenProtocol(), and is
- now being closed.
- @param Protocol The published unique identifier of the protocol.
- It is the caller's responsibility to pass in a
- valid GUID.
- @param AgentHandle The handle of the agent that is closing the
- protocol interface.
- @param ControllerHandle If the agent that opened a protocol is a driver
- that follows the EFI Driver Model, then this
- parameter is the controller handle that required
- the protocol interface. If the agent does not
- follow the EFI Driver Model, then this parameter
- is optional and may be NULL.
-
- @retval EFI_SUCCESS The protocol instance was closed.
- @retval EFI_INVALID_PARAMETER Handle, AgentHandle or ControllerHandle is not a
- valid EFI_HANDLE.
- @retval EFI_NOT_FOUND Can not find the specified protocol or
- AgentHandle.
-
-**/
-EFI_STATUS
-EFIAPI
-UnitTestCloseProtocol (
- IN EFI_HANDLE UserHandle,
- IN EFI_GUID *Protocol,
- IN EFI_HANDLE AgentHandle,
- IN EFI_HANDLE ControllerHandle
- )
-{
- return EFI_NOT_AVAILABLE_YET;
-}
-
-/**
- Return information about Opened protocols in the system
-
- @param UserHandle The handle to close the protocol interface on
- @param Protocol The ID of the protocol
- @param EntryBuffer A pointer to a buffer of open protocol
- information in the form of
- EFI_OPEN_PROTOCOL_INFORMATION_ENTRY structures.
- @param EntryCount Number of EntryBuffer entries
-
-**/
-EFI_STATUS
-EFIAPI
-UnitTestOpenProtocolInformation (
- IN EFI_HANDLE UserHandle,
- IN EFI_GUID *Protocol,
- OUT EFI_OPEN_PROTOCOL_INFORMATION_ENTRY **EntryBuffer,
- OUT UINTN *EntryCount
- )
-{
- return EFI_NOT_AVAILABLE_YET;
-}
-
-/**
- Retrieves the list of protocol interface GUIDs that are installed on a handle in a buffer allocated
- from pool.
-
- @param UserHandle The handle from which to retrieve the list of
- protocol interface GUIDs.
- @param ProtocolBuffer A pointer to the list of protocol interface GUID
- pointers that are installed on Handle.
- @param ProtocolBufferCount A pointer to the number of GUID pointers present
- in ProtocolBuffer.
-
- @retval EFI_SUCCESS The list of protocol interface GUIDs installed
- on Handle was returned in ProtocolBuffer. The
- number of protocol interface GUIDs was returned
- in ProtocolBufferCount.
- @retval EFI_INVALID_PARAMETER Handle is NULL.
- @retval EFI_INVALID_PARAMETER Handle is not a valid EFI_HANDLE.
- @retval EFI_INVALID_PARAMETER ProtocolBuffer is NULL.
- @retval EFI_INVALID_PARAMETER ProtocolBufferCount is NULL.
- @retval EFI_OUT_OF_RESOURCES There is not enough pool memory to store the
- results.
-
-**/
-EFI_STATUS
-EFIAPI
-UnitTestProtocolsPerHandle (
- IN EFI_HANDLE UserHandle,
- OUT EFI_GUID ***ProtocolBuffer,
- OUT UINTN *ProtocolBufferCount
- )
-{
- return EFI_NOT_AVAILABLE_YET;
-}
-
-/**
- Function returns an array of handles that support the requested protocol
- in a buffer allocated from pool. This is a version of UnitTestLocateHandle()
- that allocates a buffer for the caller.
-
- @param SearchType Specifies which handle(s) are to be returned.
- @param Protocol Provides the protocol to search by. This
- parameter is only valid for SearchType
- ByProtocol.
- @param SearchKey Supplies the search key depending on the
- SearchType.
- @param NumberHandles The number of handles returned in Buffer.
- @param Buffer A pointer to the buffer to return the requested
- array of handles that support Protocol.
-
- @retval EFI_SUCCESS The result array of handles was returned.
- @retval EFI_NOT_FOUND No handles match the search.
- @retval EFI_OUT_OF_RESOURCES There is not enough pool memory to store the
- matching results.
- @retval EFI_INVALID_PARAMETER One or more parameters are not valid.
-
-**/
-EFI_STATUS
-EFIAPI
-UnitTestLocateHandleBuffer (
- IN EFI_LOCATE_SEARCH_TYPE SearchType,
- IN EFI_GUID *Protocol OPTIONAL,
- IN VOID *SearchKey OPTIONAL,
- IN OUT UINTN *NumberHandles,
- OUT EFI_HANDLE **Buffer
- )
-{
- EFI_STATUS Status;
- UINTN BufferSize;
-
- if (NumberHandles == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- if (Buffer == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- BufferSize = 0;
- *NumberHandles = 0;
- *Buffer = NULL;
- Status = UnitTestLocateHandle (
- SearchType,
- Protocol,
- SearchKey,
- &BufferSize,
- *Buffer
- );
- //
- // LocateHandleBuffer() returns incorrect status code if SearchType is
- // invalid.
- //
- // Add code to correctly handle expected errors from UnitTestLocateHandle().
- //
- if (EFI_ERROR (Status) && (Status != EFI_BUFFER_TOO_SMALL)) {
- if (Status != EFI_INVALID_PARAMETER) {
- Status = EFI_NOT_FOUND;
- }
-
- return Status;
- }
-
- *Buffer = AllocatePool (BufferSize);
- if (*Buffer == NULL) {
- return EFI_OUT_OF_RESOURCES;
- }
-
- Status = UnitTestLocateHandle (
- SearchType,
- Protocol,
- SearchKey,
- &BufferSize,
- *Buffer
- );
-
- *NumberHandles = BufferSize / sizeof (EFI_HANDLE);
- if (EFI_ERROR (Status)) {
- *NumberHandles = 0;
- }
-
- return Status;
-}
-
-/**
- Return the first Protocol Interface that matches the Protocol GUID. If
- Registration is passed in, return a Protocol Instance that was just add
- to the system. If Registration is NULL return the first Protocol Interface
- you find.
-
- @param Protocol The protocol to search for
- @param Registration Optional Registration Key returned from
- RegisterProtocolNotify()
- @param Interface Return the Protocol interface (instance).
-
- @retval EFI_SUCCESS If a valid Interface is returned
- @retval EFI_INVALID_PARAMETER Invalid parameter
- @retval EFI_NOT_FOUND Protocol interface not found
-
-**/
-EFI_STATUS
-EFIAPI
-UnitTestLocateProtocol (
- IN EFI_GUID *Protocol,
- IN VOID *Registration OPTIONAL,
- OUT VOID **Interface
- )
-{
- return EFI_NOT_AVAILABLE_YET;
-}
-
-/**
- Installs a list of protocol interface into the boot services environment.
- This function calls InstallProtocolInterface() in a loop. If any error
- occurs all the protocols added by this function are removed. This is
- basically a lib function to save space.
-
- @param Handle The handle to install the protocol handlers on,
- or NULL if a new handle is to be allocated
- @param ... EFI_GUID followed by protocol instance. A NULL
- terminates the list. The pairs are the
- arguments to InstallProtocolInterface(). All the
- protocols are added to Handle.
-
- @retval EFI_SUCCESS All the protocol interface was installed.
- @retval EFI_OUT_OF_RESOURCES There was not enough memory in pool to install all the protocols.
- @retval EFI_ALREADY_STARTED A Device Path Protocol instance was passed in that is already present in
- the handle database.
- @retval EFI_INVALID_PARAMETER Handle is NULL.
- @retval EFI_INVALID_PARAMETER Protocol is already installed on the handle specified by Handle.
-
-**/
-EFI_STATUS
-EFIAPI
-UnitTestInstallMultipleProtocolInterfaces (
- IN OUT EFI_HANDLE *Handle,
- ...
- )
-{
- return EFI_NOT_AVAILABLE_YET;
-}
-
-/**
- Uninstalls a list of protocol interface in the boot services environment.
- This function calls UninstallProtocolInterface() in a loop. This is
- basically a lib function to save space.
-
- @param Handle The handle to uninstall the protocol
- @param ... EFI_GUID followed by protocol instance. A NULL
- terminates the list. The pairs are the
- arguments to UninstallProtocolInterface(). All
- the protocols are added to Handle.
-
- @return Status code
-
-**/
-EFI_STATUS
-EFIAPI
-UnitTestUninstallMultipleProtocolInterfaces (
- IN EFI_HANDLE Handle,
- ...
- )
-{
- EFI_STATUS Status;
- VA_LIST Args;
- EFI_GUID *Protocol;
- VOID *Interface;
- UINTN Index;
-
- VA_START (Args, Handle);
- for (Index = 0, Status = EFI_SUCCESS; !EFI_ERROR (Status); Index++) {
- //
- // If protocol is NULL, then it's the end of the list
- //
- Protocol = VA_ARG (Args, EFI_GUID *);
- if (Protocol == NULL) {
- break;
- }
-
- Interface = VA_ARG (Args, VOID *);
-
- //
- // Uninstall it
- //
- Status = UnitTestUninstallProtocolInterface (Handle, Protocol, Interface);
- }
-
- VA_END (Args);
-
- //
- // If there was an error, add all the interfaces that were
- // uninstalled without any errors
- //
- if (EFI_ERROR (Status)) {
- //
- // Reset the va_arg back to the first argument.
- //
- VA_START (Args, Handle);
- for ( ; Index > 1; Index--) {
- Protocol = VA_ARG (Args, EFI_GUID *);
- Interface = VA_ARG (Args, VOID *);
- UnitTestInstallProtocolInterface (&Handle, Protocol, EFI_NATIVE_INTERFACE, Interface);
- }
-
- VA_END (Args);
- Status = EFI_INVALID_PARAMETER;
- }
-
- return Status;
-}
+/** @file
+ Implementation of protocol related services in the UEFI Boot Services table for use in unit tests.
+
+Copyright (c) Microsoft Corporation
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include "UnitTestUefiBootServicesTableLibProtocol.h"
+
+STATIC LIST_ENTRY mProtocolDatabase = INITIALIZE_LIST_HEAD_VARIABLE (mProtocolDatabase);
+STATIC LIST_ENTRY gHandleList = INITIALIZE_LIST_HEAD_VARIABLE (gHandleList);
+STATIC UINT64 gHandleDatabaseKey = 0;
+STATIC UINTN mEfiLocateHandleRequest = 0;
+
+//
+// Helper Functions
+//
+
+/**
+ Check whether a handle is a valid EFI_HANDLE
+
+ @param UserHandle The handle to check
+
+ @retval EFI_INVALID_PARAMETER The handle is NULL or not a valid EFI_HANDLE.
+ @retval EFI_SUCCESS The handle is valid EFI_HANDLE.
+
+**/
+EFI_STATUS
+UnitTestValidateHandle (
+ IN EFI_HANDLE UserHandle
+ )
+{
+ IHANDLE *Handle;
+ LIST_ENTRY *Link;
+
+ if (UserHandle == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ for (Link = gHandleList.BackLink; Link != &gHandleList; Link = Link->BackLink) {
+ Handle = CR (Link, IHANDLE, AllHandles, EFI_HANDLE_SIGNATURE);
+ if (Handle == (IHANDLE *)UserHandle) {
+ return EFI_SUCCESS;
+ }
+ }
+
+ return EFI_INVALID_PARAMETER;
+}
+
+/**
+ Finds the protocol entry for the requested protocol.
+
+ @param Protocol The ID of the protocol
+ @param Create Create a new entry if not found
+
+ @return Protocol entry
+
+**/
+PROTOCOL_ENTRY *
+UnitTestFindProtocolEntry (
+ IN EFI_GUID *Protocol,
+ IN BOOLEAN Create
+ )
+{
+ LIST_ENTRY *Link;
+ PROTOCOL_ENTRY *Item;
+ PROTOCOL_ENTRY *ProtEntry;
+
+ //
+ // Search the database for the matching GUID
+ //
+
+ ProtEntry = NULL;
+ for (Link = mProtocolDatabase.ForwardLink;
+ Link != &mProtocolDatabase;
+ Link = Link->ForwardLink)
+ {
+ Item = CR (Link, PROTOCOL_ENTRY, AllEntries, PROTOCOL_ENTRY_SIGNATURE);
+ if (CompareGuid (&Item->ProtocolID, Protocol)) {
+ //
+ // This is the protocol entry
+ //
+
+ ProtEntry = Item;
+ break;
+ }
+ }
+
+ //
+ // If the protocol entry was not found and Create is TRUE, then
+ // allocate a new entry
+ //
+ if ((ProtEntry == NULL) && Create) {
+ ProtEntry = AllocatePool (sizeof (PROTOCOL_ENTRY));
+
+ if (ProtEntry != NULL) {
+ //
+ // Initialize new protocol entry structure
+ //
+ ProtEntry->Signature = PROTOCOL_ENTRY_SIGNATURE;
+ CopyGuid ((VOID *)&ProtEntry->ProtocolID, Protocol);
+ InitializeListHead (&ProtEntry->Protocols);
+ InitializeListHead (&ProtEntry->Notify);
+
+ //
+ // Add it to protocol database
+ //
+ InsertTailList (&mProtocolDatabase, &ProtEntry->AllEntries);
+ }
+ }
+
+ return ProtEntry;
+}
+
+/**
+ Finds the protocol instance for the requested handle and protocol.
+ Note: This function doesn't do parameters checking, it's caller's responsibility
+ to pass in valid parameters.
+
+ @param Handle The handle to search the protocol on
+ @param Protocol GUID of the protocol
+ @param Interface The interface for the protocol being searched
+
+ @return Protocol instance (NULL: Not found)
+
+**/
+PROTOCOL_INTERFACE *
+UnitTestFindProtocolInterface (
+ IN IHANDLE *Handle,
+ IN EFI_GUID *Protocol,
+ IN VOID *Interface
+ )
+{
+ PROTOCOL_INTERFACE *Prot;
+ PROTOCOL_ENTRY *ProtEntry;
+ LIST_ENTRY *Link;
+
+ Prot = NULL;
+
+ //
+ // Lookup the protocol entry for this protocol ID
+ //
+
+ ProtEntry = UnitTestFindProtocolEntry (Protocol, FALSE);
+ if (ProtEntry != NULL) {
+ //
+ // Look at each protocol interface for any matches
+ //
+ for (Link = Handle->Protocols.ForwardLink; Link != &Handle->Protocols; Link = Link->ForwardLink) {
+ //
+ // If this protocol interface matches, remove it
+ //
+ Prot = CR (Link, PROTOCOL_INTERFACE, Link, PROTOCOL_INTERFACE_SIGNATURE);
+ if ((Prot->Interface == Interface) && (Prot->Protocol == ProtEntry)) {
+ break;
+ }
+
+ Prot = NULL;
+ }
+ }
+
+ return Prot;
+}
+
+/**
+ Signal event for every protocol in protocol entry.
+
+ @param ProtEntry Protocol entry
+
+**/
+VOID
+UnitTestNotifyProtocolEntry (
+ IN PROTOCOL_ENTRY *ProtEntry
+ )
+{
+ PROTOCOL_NOTIFY *ProtNotify;
+ LIST_ENTRY *Link;
+
+ for (Link = ProtEntry->Notify.ForwardLink; Link != &ProtEntry->Notify; Link = Link->ForwardLink) {
+ ProtNotify = CR (Link, PROTOCOL_NOTIFY, Link, PROTOCOL_NOTIFY_SIGNATURE);
+ UnitTestSignalEvent (ProtNotify->Event);
+ }
+}
+
+/**
+ Routine to get the next Handle, when you are searching for all handles.
+
+ @param Position Information about which Handle to seach for.
+ @param Interface Return the interface structure for the matching
+ protocol.
+
+ @return An pointer to IHANDLE if the next Position is not the end of the list.
+ Otherwise,NULL is returned.
+
+**/
+IHANDLE *
+UnitTestGetNextLocateAllHandles (
+ IN OUT LOCATE_POSITION *Position,
+ OUT VOID **Interface
+ )
+{
+ IHANDLE *Handle;
+
+ //
+ // Next handle
+ //
+ Position->Position = Position->Position->ForwardLink;
+
+ //
+ // If not at the end of the list, get the handle
+ //
+ Handle = NULL;
+ *Interface = NULL;
+ if (Position->Position != &gHandleList) {
+ Handle = CR (Position->Position, IHANDLE, AllHandles, EFI_HANDLE_SIGNATURE);
+ }
+
+ return Handle;
+}
+
+/**
+ Routine to get the next Handle, when you are searching for register protocol
+ notifies.
+
+ @param Position Information about which Handle to seach for.
+ @param Interface Return the interface structure for the matching
+ protocol.
+
+ @return An pointer to IHANDLE if the next Position is not the end of the list.
+ Otherwise,NULL is returned.
+
+**/
+IHANDLE *
+UnitTestGetNextLocateByRegisterNotify (
+ IN OUT LOCATE_POSITION *Position,
+ OUT VOID **Interface
+ )
+{
+ IHANDLE *Handle;
+ PROTOCOL_NOTIFY *ProtNotify;
+ PROTOCOL_INTERFACE *Prot;
+ LIST_ENTRY *Link;
+
+ Handle = NULL;
+ *Interface = NULL;
+ ProtNotify = Position->SearchKey;
+
+ //
+ // If this is the first request, get the next handle
+ //
+ if (ProtNotify != NULL) {
+ ASSERT (ProtNotify->Signature == PROTOCOL_NOTIFY_SIGNATURE);
+ Position->SearchKey = NULL;
+
+ //
+ // If not at the end of the list, get the next handle
+ //
+ Link = ProtNotify->Position->ForwardLink;
+ if (Link != &ProtNotify->Protocol->Protocols) {
+ Prot = CR (Link, PROTOCOL_INTERFACE, ByProtocol, PROTOCOL_INTERFACE_SIGNATURE);
+ Handle = Prot->Handle;
+ *Interface = Prot->Interface;
+ }
+ }
+
+ return Handle;
+}
+
+/**
+ Routine to get the next Handle, when you are searching for a given protocol.
+
+ @param Position Information about which Handle to seach for.
+ @param Interface Return the interface structure for the matching
+ protocol.
+
+ @return An pointer to IHANDLE if the next Position is not the end of the list.
+ Otherwise,NULL is returned.
+
+**/
+IHANDLE *
+UnitTestGetNextLocateByProtocol (
+ IN OUT LOCATE_POSITION *Position,
+ OUT VOID **Interface
+ )
+{
+ IHANDLE *Handle;
+ LIST_ENTRY *Link;
+ PROTOCOL_INTERFACE *Prot;
+
+ Handle = NULL;
+ *Interface = NULL;
+ for ( ; ;) {
+ //
+ // Next entry
+ //
+ Link = Position->Position->ForwardLink;
+ Position->Position = Link;
+
+ //
+ // If not at the end, return the handle
+ //
+ if (Link == &Position->ProtEntry->Protocols) {
+ Handle = NULL;
+ break;
+ }
+
+ //
+ // Get the handle
+ //
+ Prot = CR (Link, PROTOCOL_INTERFACE, ByProtocol, PROTOCOL_INTERFACE_SIGNATURE);
+ Handle = Prot->Handle;
+ *Interface = Prot->Interface;
+
+ //
+ // If this handle has not been returned this request, then
+ // return it now
+ //
+ if (Handle->LocateRequest != mEfiLocateHandleRequest) {
+ Handle->LocateRequest = mEfiLocateHandleRequest;
+ break;
+ }
+ }
+
+ return Handle;
+}
+
+/**
+ Attempts to disconnect all drivers that are using the protocol interface being queried.
+ If failed, reconnect all drivers disconnected.
+ Note: This function doesn't do parameters checking, it's caller's responsibility
+ to pass in valid parameters.
+
+ @param UserHandle The handle on which the protocol is installed
+ @param Prot The protocol to disconnect drivers from
+
+ @retval EFI_SUCCESS Drivers using the protocol interface are all
+ disconnected
+ @retval EFI_ACCESS_DENIED Failed to disconnect one or all of the drivers
+
+**/
+EFI_STATUS
+UnitTestDisconnectControllersUsingProtocolInterface (
+ IN EFI_HANDLE UserHandle,
+ IN PROTOCOL_INTERFACE *Prot
+ )
+{
+ EFI_STATUS Status;
+ BOOLEAN ItemFound;
+ LIST_ENTRY *Link;
+ OPEN_PROTOCOL_DATA *OpenData;
+
+ Status = EFI_SUCCESS;
+
+ //
+ // Attempt to disconnect all drivers from this protocol interface
+ //
+ do {
+ ItemFound = FALSE;
+ for (Link = Prot->OpenList.ForwardLink; Link != &Prot->OpenList; Link = Link->ForwardLink) {
+ OpenData = CR (Link, OPEN_PROTOCOL_DATA, Link, OPEN_PROTOCOL_DATA_SIGNATURE);
+ if ((OpenData->Attributes & EFI_OPEN_PROTOCOL_BY_DRIVER) != 0) {
+ Status = UnitTestDisconnectController (UserHandle, OpenData->AgentHandle, NULL);
+ if (!EFI_ERROR (Status)) {
+ ItemFound = TRUE;
+ }
+
+ break;
+ }
+ }
+ } while (ItemFound);
+
+ if (!EFI_ERROR (Status)) {
+ //
+ // Attempt to remove BY_HANDLE_PROTOCOL and GET_PROTOCOL and TEST_PROTOCOL Open List items
+ //
+ for (Link = Prot->OpenList.ForwardLink; Link != &Prot->OpenList;) {
+ OpenData = CR (Link, OPEN_PROTOCOL_DATA, Link, OPEN_PROTOCOL_DATA_SIGNATURE);
+ if ((OpenData->Attributes &
+ (EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL | EFI_OPEN_PROTOCOL_GET_PROTOCOL | EFI_OPEN_PROTOCOL_TEST_PROTOCOL)) != 0)
+ {
+ Link = RemoveEntryList (&OpenData->Link);
+ Prot->OpenListCount--;
+ FreePool (OpenData);
+ } else {
+ Link = Link->ForwardLink;
+ }
+ }
+ }
+
+ //
+ // If there are errors or still has open items in the list, then reconnect all the drivers and return an error
+ //
+ if (EFI_ERROR (Status) || (Prot->OpenListCount > 0)) {
+ UnitTestConnectController (UserHandle, NULL, NULL, TRUE);
+ Status = EFI_ACCESS_DENIED;
+ }
+
+ return Status;
+}
+
+/**
+ 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 *
+UnitTestRemoveInterfaceFromProtocol (
+ IN IHANDLE *Handle,
+ IN EFI_GUID *Protocol,
+ IN VOID *Interface
+ )
+{
+ PROTOCOL_INTERFACE *Prot;
+ PROTOCOL_NOTIFY *ProtNotify;
+ PROTOCOL_ENTRY *ProtEntry;
+ LIST_ENTRY *Link;
+
+ Prot = UnitTestFindProtocolInterface (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;
+}
+
+//
+// Boot Services Function Implementation
+//
+
+/**
+ Locate a certain GUID protocol interface in a Handle's protocols.
+
+ @param UserHandle The handle to obtain the protocol interface on
+ @param Protocol The GUID of the protocol
+
+ @return The requested protocol interface for the handle
+
+**/
+PROTOCOL_INTERFACE *
+UnitTestGetProtocolInterface (
+ IN EFI_HANDLE UserHandle,
+ IN EFI_GUID *Protocol
+ )
+{
+ EFI_STATUS Status;
+ PROTOCOL_ENTRY *ProtEntry;
+ PROTOCOL_INTERFACE *Prot;
+ IHANDLE *Handle;
+ LIST_ENTRY *Link;
+
+ Status = UnitTestValidateHandle (UserHandle);
+ if (EFI_ERROR (Status)) {
+ return NULL;
+ }
+
+ Handle = (IHANDLE *)UserHandle;
+
+ //
+ // Look at each protocol interface for a match
+ //
+ for (Link = Handle->Protocols.ForwardLink; Link != &Handle->Protocols; Link = Link->ForwardLink) {
+ Prot = CR (Link, PROTOCOL_INTERFACE, Link, PROTOCOL_INTERFACE_SIGNATURE);
+ ProtEntry = Prot->Protocol;
+ if (CompareGuid (&ProtEntry->ProtocolID, Protocol)) {
+ return Prot;
+ }
+ }
+
+ return NULL;
+}
+
+/**
+ Installs a protocol interface into the boot services environment.
+
+ @param UserHandle The handle to install the protocol handler on,
+ or NULL if a new handle is to be allocated
+ @param Protocol The protocol to add to the handle
+ @param InterfaceType Indicates whether Interface is supplied in
+ native form.
+ @param Interface The interface for the protocol being added
+ @param Notify indicates whether notify the notification list
+ for this protocol
+
+ @retval EFI_INVALID_PARAMETER Invalid parameter
+ @retval EFI_OUT_OF_RESOURCES No enough buffer to allocate
+ @retval EFI_SUCCESS Protocol interface successfully installed
+
+**/
+EFI_STATUS
+UnitTestInstallProtocolInterfaceNotify (
+ IN OUT EFI_HANDLE *UserHandle,
+ IN EFI_GUID *Protocol,
+ IN EFI_INTERFACE_TYPE InterfaceType,
+ IN VOID *Interface,
+ IN BOOLEAN Notify
+ )
+{
+ PROTOCOL_INTERFACE *Prot;
+ PROTOCOL_ENTRY *ProtEntry;
+ IHANDLE *Handle;
+ EFI_STATUS Status;
+ VOID *ExistingInterface;
+
+ //
+ // returns EFI_INVALID_PARAMETER if InterfaceType is invalid.
+ // Also added check for invalid UserHandle and Protocol pointers.
+ //
+ if ((UserHandle == NULL) || (Protocol == NULL)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (InterfaceType != EFI_NATIVE_INTERFACE) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ //
+ // Print debug message
+ //
+ UT_LOG_INFO ("InstallProtocolInterface: %g %p\n", Protocol, Interface);
+
+ Status = EFI_OUT_OF_RESOURCES;
+ Prot = NULL;
+ Handle = NULL;
+
+ if (*UserHandle != NULL) {
+ Status = UnitTestHandleProtocol (*UserHandle, Protocol, (VOID **)&ExistingInterface);
+ if (!EFI_ERROR (Status)) {
+ return EFI_INVALID_PARAMETER;
+ }
+ }
+
+ //
+ // Lookup the Protocol Entry for the requested protocol
+ //
+ ProtEntry = UnitTestFindProtocolEntry (Protocol, TRUE);
+ if (ProtEntry == NULL) {
+ goto Done;
+ }
+
+ //
+ // Allocate a new protocol interface structure
+ //
+ Prot = AllocateZeroPool (sizeof (PROTOCOL_INTERFACE));
+ if (Prot == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ goto Done;
+ }
+
+ //
+ // If caller didn't supply a handle, allocate a new one
+ //
+ Handle = (IHANDLE *)*UserHandle;
+ if (Handle == NULL) {
+ Handle = AllocateZeroPool (sizeof (IHANDLE));
+ if (Handle == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ goto Done;
+ }
+
+ //
+ // Initialize new handler structure
+ //
+ Handle->Signature = EFI_HANDLE_SIGNATURE;
+ InitializeListHead (&Handle->Protocols);
+
+ //
+ // Initialize the Key to show that the handle has been created/modified
+ //
+ gHandleDatabaseKey++;
+ Handle->Key = gHandleDatabaseKey;
+
+ //
+ // Add this handle to the list global list of all handles
+ // in the system
+ //
+ InsertTailList (&gHandleList, &Handle->AllHandles);
+ } else {
+ Status = UnitTestValidateHandle (Handle);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "InstallProtocolInterface: input handle at 0x%x is invalid\n", Handle));
+ goto Done;
+ }
+ }
+
+ //
+ // Each interface that is added must be unique
+ //
+ ASSERT (UnitTestFindProtocolInterface (Handle, Protocol, Interface) == NULL);
+
+ //
+ // Initialize the protocol interface structure
+ //
+ Prot->Signature = PROTOCOL_INTERFACE_SIGNATURE;
+ Prot->Handle = Handle;
+ Prot->Protocol = ProtEntry;
+ Prot->Interface = Interface;
+
+ //
+ // Initialize OpenProtocol Data base
+ //
+ InitializeListHead (&Prot->OpenList);
+ Prot->OpenListCount = 0;
+
+ //
+ // Add this protocol interface to the head of the supported
+ // protocol list for this handle
+ //
+ InsertHeadList (&Handle->Protocols, &Prot->Link);
+
+ //
+ // Add this protocol interface to the tail of the
+ // protocol entry
+ //
+ InsertTailList (&ProtEntry->Protocols, &Prot->ByProtocol);
+
+ //
+ // Notify the notification list for this protocol
+ //
+ if (Notify) {
+ UnitTestNotifyProtocolEntry (ProtEntry);
+ }
+
+ Status = EFI_SUCCESS;
+
+Done:
+ if (!EFI_ERROR (Status)) {
+ //
+ // Return the new handle back to the caller
+ //
+ *UserHandle = Handle;
+ } else {
+ //
+ // There was an error, clean up
+ //
+ if (Prot != NULL) {
+ UnitTestFreePool (Prot);
+ }
+
+ DEBUG ((DEBUG_ERROR, "InstallProtocolInterface: %g %p failed with %r\n", Protocol, Interface, Status));
+ }
+
+ return Status;
+}
+
+/**
+ Wrapper function to UnitTestInstallProtocolInterfaceNotify. This is the public API which
+ Calls the private one which contains a BOOLEAN parameter for notifications
+
+ @param UserHandle The handle to install the protocol handler on,
+ or NULL if a new handle is to be allocated
+ @param Protocol The protocol to add to the handle
+ @param InterfaceType Indicates whether Interface is supplied in
+ native form.
+ @param Interface The interface for the protocol being added
+
+ @return Status code
+
+**/
+EFI_STATUS
+EFIAPI
+UnitTestInstallProtocolInterface (
+ IN OUT EFI_HANDLE *UserHandle,
+ IN EFI_GUID *Protocol,
+ IN EFI_INTERFACE_TYPE InterfaceType,
+ IN VOID *Interface
+ )
+{
+ return UnitTestInstallProtocolInterfaceNotify (
+ UserHandle,
+ Protocol,
+ InterfaceType,
+ Interface,
+ TRUE
+ );
+}
+
+/**
+ Reinstall a protocol interface on a device handle. The OldInterface for Protocol is replaced by the NewInterface.
+
+ @param UserHandle Handle on which the interface is to be
+ reinstalled
+ @param Protocol The numeric ID of the interface
+ @param OldInterface A pointer to the old interface
+ @param NewInterface A pointer to the new interface
+
+ @retval EFI_SUCCESS The protocol interface was installed
+ @retval EFI_NOT_FOUND The OldInterface on the handle was not found
+ @retval EFI_INVALID_PARAMETER One of the parameters has an invalid value
+
+**/
+EFI_STATUS
+EFIAPI
+UnitTestReinstallProtocolInterface (
+ IN EFI_HANDLE UserHandle,
+ IN EFI_GUID *Protocol,
+ IN VOID *OldInterface,
+ IN VOID *NewInterface
+ )
+{
+ return EFI_NOT_AVAILABLE_YET;
+}
+
+/**
+ Uninstalls all instances of a protocol:interfacer from a handle.
+ If the last protocol interface is remove from the handle, the
+ handle is freed.
+
+ @param UserHandle The handle to remove the protocol handler from
+ @param Protocol The protocol, of protocol:interface, to remove
+ @param Interface The interface, of protocol:interface, to remove
+
+ @retval EFI_INVALID_PARAMETER Protocol is NULL.
+ @retval EFI_SUCCESS Protocol interface successfully uninstalled.
+
+**/
+EFI_STATUS
+EFIAPI
+UnitTestUninstallProtocolInterface (
+ IN EFI_HANDLE UserHandle,
+ IN EFI_GUID *Protocol,
+ IN VOID *Interface
+ )
+{
+ EFI_STATUS Status;
+ IHANDLE *Handle;
+ PROTOCOL_INTERFACE *Prot;
+
+ //
+ // Check that Protocol is valid
+ //
+ if (Protocol == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ //
+ // Check that UserHandle is a valid handle
+ //
+ Status = UnitTestValidateHandle (UserHandle);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // Check that Protocol exists on UserHandle, and Interface matches the interface in the database
+ //
+ Prot = UnitTestFindProtocolInterface (UserHandle, Protocol, Interface);
+ if (Prot == NULL) {
+ Status = EFI_NOT_FOUND;
+ goto Done;
+ }
+
+ //
+ // Attempt to disconnect all drivers that are using the protocol interface that is about to be removed
+ //
+ Status = UnitTestDisconnectControllersUsingProtocolInterface (
+ UserHandle,
+ Prot
+ );
+ if (EFI_ERROR (Status)) {
+ //
+ // One or more drivers refused to release, so return the error
+ //
+ goto Done;
+ }
+
+ //
+ // Remove the protocol interface from the protocol
+ //
+ Status = EFI_NOT_FOUND;
+ Handle = (IHANDLE *)UserHandle;
+ Prot = UnitTestRemoveInterfaceFromProtocol (Handle, Protocol, Interface);
+
+ if (Prot != NULL) {
+ //
+ // Update the Key to show that the handle has been created/modified
+ //
+ gHandleDatabaseKey++;
+ Handle->Key = gHandleDatabaseKey;
+
+ //
+ // Remove the protocol interface from the handle
+ //
+ RemoveEntryList (&Prot->Link);
+
+ //
+ // Free the memory
+ //
+ Prot->Signature = 0;
+ FreePool (Prot);
+ Status = EFI_SUCCESS;
+ }
+
+ //
+ // If there are no more handlers for the handle, free the handle
+ //
+ if (IsListEmpty (&Handle->Protocols)) {
+ Handle->Signature = 0;
+ RemoveEntryList (&Handle->AllHandles);
+ FreePool (Handle);
+ }
+
+Done:
+ return Status;
+}
+
+/**
+ Queries a handle to determine if it supports a specified protocol.
+
+ @param UserHandle The handle being queried.
+ @param Protocol The published unique identifier of the protocol.
+ @param Interface Supplies the address where a pointer to the
+ corresponding Protocol Interface is returned.
+
+ @return The requested protocol interface for the handle
+
+**/
+EFI_STATUS
+EFIAPI
+UnitTestHandleProtocol (
+ IN EFI_HANDLE UserHandle,
+ IN EFI_GUID *Protocol,
+ OUT VOID **Interface
+ )
+{
+ return UnitTestOpenProtocol (
+ UserHandle,
+ Protocol,
+ Interface,
+ gImageHandle,
+ NULL,
+ EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL
+ );
+}
+
+/**
+ Add a new protocol notification record for the request protocol.
+
+ @param Protocol The requested protocol to add the notify
+ registration
+ @param Event The event to signal
+ @param Registration Returns the registration record
+
+ @retval EFI_INVALID_PARAMETER Invalid parameter
+ @retval EFI_SUCCESS Successfully returned the registration record
+ that has been added
+
+**/
+EFI_STATUS
+EFIAPI
+UnitTestRegisterProtocolNotify (
+ IN EFI_GUID *Protocol,
+ IN EFI_EVENT Event,
+ OUT VOID **Registration
+ )
+{
+ return EFI_NOT_AVAILABLE_YET;
+}
+
+/**
+ Locates the requested handle(s) and returns them in Buffer.
+
+ @param SearchType The type of search to perform to locate the
+ handles
+ @param Protocol The protocol to search for
+ @param SearchKey Dependant on SearchType
+ @param BufferSize On input the size of Buffer. On output the
+ size of data returned.
+ @param Buffer The buffer to return the results in
+
+ @retval EFI_BUFFER_TOO_SMALL Buffer too small, required buffer size is
+ returned in BufferSize.
+ @retval EFI_INVALID_PARAMETER Invalid parameter
+ @retval EFI_SUCCESS Successfully found the requested handle(s) and
+ returns them in Buffer.
+
+**/
+EFI_STATUS
+EFIAPI
+UnitTestLocateHandle (
+ IN EFI_LOCATE_SEARCH_TYPE SearchType,
+ IN EFI_GUID *Protocol OPTIONAL,
+ IN VOID *SearchKey OPTIONAL,
+ IN OUT UINTN *BufferSize,
+ OUT EFI_HANDLE *Buffer
+ )
+{
+ EFI_STATUS Status;
+ LOCATE_POSITION Position;
+ PROTOCOL_NOTIFY *ProtNotify;
+ UNIT_TEST_GET_NEXT GetNext;
+ UINTN ResultSize;
+ IHANDLE *Handle;
+ IHANDLE **ResultBuffer;
+ VOID *Interface;
+
+ if (BufferSize == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if ((*BufferSize > 0) && (Buffer == NULL)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ GetNext = NULL;
+
+ //
+ // Set initial position
+ //
+ Position.Protocol = Protocol;
+ Position.SearchKey = SearchKey;
+ Position.Position = &gHandleList;
+
+ ResultSize = 0;
+ ResultBuffer = (IHANDLE **)Buffer;
+ Status = EFI_SUCCESS;
+
+ //
+ // Get the search function based on type
+ //
+ switch (SearchType) {
+ case AllHandles:
+ GetNext = UnitTestGetNextLocateAllHandles;
+ break;
+
+ case ByRegisterNotify:
+ //
+ // Must have SearchKey for locate ByRegisterNotify
+ //
+ if (SearchKey == NULL) {
+ Status = EFI_INVALID_PARAMETER;
+ break;
+ }
+
+ GetNext = UnitTestGetNextLocateByRegisterNotify;
+ break;
+
+ case ByProtocol:
+ GetNext = UnitTestGetNextLocateByProtocol;
+ if (Protocol == NULL) {
+ Status = EFI_INVALID_PARAMETER;
+ break;
+ }
+
+ //
+ // Look up the protocol entry and set the head pointer
+ //
+ Position.ProtEntry = UnitTestFindProtocolEntry (Protocol, FALSE);
+ if (Position.ProtEntry == NULL) {
+ Status = EFI_NOT_FOUND;
+ break;
+ }
+
+ Position.Position = &Position.ProtEntry->Protocols;
+ break;
+
+ default:
+ Status = EFI_INVALID_PARAMETER;
+ break;
+ }
+
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ ASSERT (GetNext != NULL);
+ //
+ // Enumerate out the matching handles
+ //
+ mEfiLocateHandleRequest += 1;
+ for ( ; ;) {
+ //
+ // Get the next handle. If no more handles, stop
+ //
+ Handle = GetNext (&Position, &Interface);
+ if (NULL == Handle) {
+ break;
+ }
+
+ //
+ // Increase the resulting buffer size, and if this handle
+ // fits return it
+ //
+ ResultSize += sizeof (Handle);
+ if (ResultSize <= *BufferSize) {
+ *ResultBuffer = Handle;
+ ResultBuffer += 1;
+ }
+ }
+
+ //
+ // If the result is a zero length buffer, then there were no
+ // matching handles
+ //
+ if (ResultSize == 0) {
+ Status = EFI_NOT_FOUND;
+ } else {
+ //
+ // Return the resulting buffer size. If it's larger than what
+ // was passed, then set the error code
+ //
+ if (ResultSize > *BufferSize) {
+ Status = EFI_BUFFER_TOO_SMALL;
+ }
+
+ *BufferSize = ResultSize;
+
+ if ((SearchType == ByRegisterNotify) && !EFI_ERROR (Status)) {
+ //
+ // If this is a search by register notify and a handle was
+ // returned, update the register notification position
+ //
+ ASSERT (SearchKey != NULL);
+ ProtNotify = SearchKey;
+ ProtNotify->Position = ProtNotify->Position->ForwardLink;
+ }
+ }
+
+ return Status;
+}
+
+/**
+ Locates the handle to a device on the device path that best matches the specified protocol.
+
+ @param Protocol The protocol to search for.
+ @param DevicePath On input, a pointer to a pointer to the device
+ path. On output, the device path pointer is
+ modified to point to the remaining part of the
+ devicepath.
+ @param Device A pointer to the returned device handle.
+
+ @retval EFI_SUCCESS The resulting handle was returned.
+ @retval EFI_NOT_FOUND No handles matched the search.
+ @retval EFI_INVALID_PARAMETER One of the parameters has an invalid value.
+
+**/
+EFI_STATUS
+EFIAPI
+UnitTestLocateDevicePath (
+ IN EFI_GUID *Protocol,
+ IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath,
+ OUT EFI_HANDLE *Device
+ )
+{
+ return EFI_NOT_AVAILABLE_YET;
+}
+
+/**
+ Boot Service called to add, modify, or remove a system configuration table from
+ the EFI System Table.
+
+ @param Guid Pointer to the GUID for the entry to add, update, or
+ remove
+ @param Table Pointer to the configuration table for the entry to add,
+ update, or remove, may be NULL.
+
+ @return EFI_SUCCESS Guid, Table pair added, updated, or removed.
+ @return EFI_INVALID_PARAMETER Input GUID not valid.
+ @return EFI_NOT_FOUND Attempted to delete non-existant entry
+ @return EFI_OUT_OF_RESOURCES Not enough memory available
+
+**/
+EFI_STATUS
+EFIAPI
+UnitTestInstallConfigurationTable (
+ IN EFI_GUID *Guid,
+ IN VOID *Table
+ )
+{
+ return EFI_NOT_AVAILABLE_YET;
+}
+
+/**
+ Locates the installed protocol handler for the handle, and
+ invokes it to obtain the protocol interface. Usage information
+ is registered in the protocol data base.
+
+ @param UserHandle The handle to obtain the protocol interface on
+ @param Protocol The ID of the protocol
+ @param Interface The location to return the protocol interface
+ @param ImageHandle The handle of the Image that is opening the
+ protocol interface specified by Protocol and
+ Interface.
+ @param ControllerHandle The controller handle that is requiring this
+ interface.
+ @param Attributes The open mode of the protocol interface
+ specified by Handle and Protocol.
+
+ @retval EFI_INVALID_PARAMETER Protocol is NULL.
+ @retval EFI_SUCCESS Get the protocol interface.
+
+**/
+EFI_STATUS
+EFIAPI
+UnitTestOpenProtocol (
+ IN EFI_HANDLE UserHandle,
+ IN EFI_GUID *Protocol,
+ OUT VOID **Interface OPTIONAL,
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_HANDLE ControllerHandle,
+ IN UINT32 Attributes
+ )
+{
+ EFI_STATUS Status;
+ PROTOCOL_INTERFACE *Prot;
+ LIST_ENTRY *Link;
+ OPEN_PROTOCOL_DATA *OpenData;
+ BOOLEAN ByDriver;
+ BOOLEAN Exclusive;
+ BOOLEAN Disconnect;
+ BOOLEAN ExactMatch;
+
+ //
+ // Check for invalid Protocol
+ //
+ if (Protocol == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ //
+ // Check for invalid Interface
+ //
+ if ((Attributes != EFI_OPEN_PROTOCOL_TEST_PROTOCOL) && (Interface == NULL)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ //
+ // Check for invalid UserHandle
+ //
+ Status = UnitTestValidateHandle (UserHandle);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // Check for invalid Attributes
+ //
+ switch (Attributes) {
+ case EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER:
+ Status = UnitTestValidateHandle (ImageHandle);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ Status = UnitTestValidateHandle (ControllerHandle);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ if (UserHandle == ControllerHandle) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ break;
+ case EFI_OPEN_PROTOCOL_BY_DRIVER:
+ case EFI_OPEN_PROTOCOL_BY_DRIVER | EFI_OPEN_PROTOCOL_EXCLUSIVE:
+ Status = UnitTestValidateHandle (ImageHandle);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ Status = UnitTestValidateHandle (ControllerHandle);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ break;
+ case EFI_OPEN_PROTOCOL_EXCLUSIVE:
+ Status = UnitTestValidateHandle (ImageHandle);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ break;
+ case EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL:
+ case EFI_OPEN_PROTOCOL_GET_PROTOCOL:
+ case EFI_OPEN_PROTOCOL_TEST_PROTOCOL:
+ break;
+ default:
+ return EFI_INVALID_PARAMETER;
+ }
+
+ //
+ // Look at each protocol interface for a match
+ //
+ Prot = UnitTestGetProtocolInterface (UserHandle, Protocol);
+ if (Prot == NULL) {
+ Status = EFI_UNSUPPORTED;
+ goto Done;
+ }
+
+ Status = EFI_SUCCESS;
+
+ ByDriver = FALSE;
+ Exclusive = FALSE;
+ for ( Link = Prot->OpenList.ForwardLink; Link != &Prot->OpenList; Link = Link->ForwardLink) {
+ OpenData = CR (Link, OPEN_PROTOCOL_DATA, Link, OPEN_PROTOCOL_DATA_SIGNATURE);
+ ExactMatch = (BOOLEAN)((OpenData->AgentHandle == ImageHandle) &&
+ (OpenData->Attributes == Attributes) &&
+ (OpenData->ControllerHandle == ControllerHandle));
+ if ((OpenData->Attributes & EFI_OPEN_PROTOCOL_BY_DRIVER) != 0) {
+ ByDriver = TRUE;
+ if (ExactMatch) {
+ Status = EFI_ALREADY_STARTED;
+ goto Done;
+ }
+ }
+
+ if ((OpenData->Attributes & EFI_OPEN_PROTOCOL_EXCLUSIVE) != 0) {
+ Exclusive = TRUE;
+ } else if (ExactMatch) {
+ OpenData->OpenCount++;
+ Status = EFI_SUCCESS;
+ goto Done;
+ }
+ }
+
+ //
+ // ByDriver TRUE -> A driver is managing (UserHandle, Protocol)
+ // ByDriver FALSE -> There are no drivers managing (UserHandle, Protocol)
+ // Exclusive TRUE -> Something has exclusive access to (UserHandle, Protocol)
+ // Exclusive FALSE -> Nothing has exclusive access to (UserHandle, Protocol)
+ //
+
+ switch (Attributes) {
+ case EFI_OPEN_PROTOCOL_BY_DRIVER:
+ if (Exclusive || ByDriver) {
+ Status = EFI_ACCESS_DENIED;
+ goto Done;
+ }
+
+ break;
+ case EFI_OPEN_PROTOCOL_BY_DRIVER | EFI_OPEN_PROTOCOL_EXCLUSIVE:
+ case EFI_OPEN_PROTOCOL_EXCLUSIVE:
+ if (Exclusive) {
+ Status = EFI_ACCESS_DENIED;
+ goto Done;
+ }
+
+ if (ByDriver) {
+ do {
+ Disconnect = FALSE;
+ for (Link = Prot->OpenList.ForwardLink; Link != &Prot->OpenList; Link = Link->ForwardLink) {
+ OpenData = CR (Link, OPEN_PROTOCOL_DATA, Link, OPEN_PROTOCOL_DATA_SIGNATURE);
+ if ((OpenData->Attributes & EFI_OPEN_PROTOCOL_BY_DRIVER) != 0) {
+ Disconnect = TRUE;
+ Status = UnitTestDisconnectController (UserHandle, OpenData->AgentHandle, NULL);
+ if (EFI_ERROR (Status)) {
+ Status = EFI_ACCESS_DENIED;
+ goto Done;
+ } else {
+ break;
+ }
+ }
+ }
+ } while (Disconnect);
+ }
+
+ break;
+ case EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER:
+ case EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL:
+ case EFI_OPEN_PROTOCOL_GET_PROTOCOL:
+ case EFI_OPEN_PROTOCOL_TEST_PROTOCOL:
+ break;
+ }
+
+ if (ImageHandle == NULL) {
+ Status = EFI_SUCCESS;
+ goto Done;
+ }
+
+ //
+ // Create new entry
+ //
+ OpenData = AllocatePool (sizeof (OPEN_PROTOCOL_DATA));
+ if (OpenData == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ } else {
+ OpenData->Signature = OPEN_PROTOCOL_DATA_SIGNATURE;
+ OpenData->AgentHandle = ImageHandle;
+ OpenData->ControllerHandle = ControllerHandle;
+ OpenData->Attributes = Attributes;
+ OpenData->OpenCount = 1;
+ InsertTailList (&Prot->OpenList, &OpenData->Link);
+ Prot->OpenListCount++;
+ Status = EFI_SUCCESS;
+ }
+
+Done:
+
+ if (Attributes != EFI_OPEN_PROTOCOL_TEST_PROTOCOL) {
+ //
+ // Keep Interface unmodified in case of any Error
+ // except EFI_ALREADY_STARTED and EFI_UNSUPPORTED.
+ //
+ if (!EFI_ERROR (Status) || (Status == EFI_ALREADY_STARTED)) {
+ //
+ // According to above logic, if 'Prot' is NULL, then the 'Status' must be
+ // EFI_UNSUPPORTED. Here the 'Status' is not EFI_UNSUPPORTED, so 'Prot'
+ // must be not NULL.
+ //
+ // The ASSERT here is for addressing a false positive NULL pointer
+ // dereference issue raised from static analysis.
+ //
+ ASSERT (Prot != NULL);
+ //
+ // EFI_ALREADY_STARTED is not an error for bus driver.
+ // Return the corresponding protocol interface.
+ //
+ *Interface = Prot->Interface;
+ } else if (Status == EFI_UNSUPPORTED) {
+ //
+ // Return NULL Interface if Unsupported Protocol.
+ //
+ *Interface = NULL;
+ }
+ }
+
+ return Status;
+}
+
+/**
+ Closes a protocol on a handle that was opened using OpenProtocol().
+
+ @param UserHandle The handle for the protocol interface that was
+ previously opened with OpenProtocol(), and is
+ now being closed.
+ @param Protocol The published unique identifier of the protocol.
+ It is the caller's responsibility to pass in a
+ valid GUID.
+ @param AgentHandle The handle of the agent that is closing the
+ protocol interface.
+ @param ControllerHandle If the agent that opened a protocol is a driver
+ that follows the EFI Driver Model, then this
+ parameter is the controller handle that required
+ the protocol interface. If the agent does not
+ follow the EFI Driver Model, then this parameter
+ is optional and may be NULL.
+
+ @retval EFI_SUCCESS The protocol instance was closed.
+ @retval EFI_INVALID_PARAMETER Handle, AgentHandle or ControllerHandle is not a
+ valid EFI_HANDLE.
+ @retval EFI_NOT_FOUND Can not find the specified protocol or
+ AgentHandle.
+
+**/
+EFI_STATUS
+EFIAPI
+UnitTestCloseProtocol (
+ IN EFI_HANDLE UserHandle,
+ IN EFI_GUID *Protocol,
+ IN EFI_HANDLE AgentHandle,
+ IN EFI_HANDLE ControllerHandle
+ )
+{
+ return EFI_NOT_AVAILABLE_YET;
+}
+
+/**
+ Return information about Opened protocols in the system
+
+ @param UserHandle The handle to close the protocol interface on
+ @param Protocol The ID of the protocol
+ @param EntryBuffer A pointer to a buffer of open protocol
+ information in the form of
+ EFI_OPEN_PROTOCOL_INFORMATION_ENTRY structures.
+ @param EntryCount Number of EntryBuffer entries
+
+**/
+EFI_STATUS
+EFIAPI
+UnitTestOpenProtocolInformation (
+ IN EFI_HANDLE UserHandle,
+ IN EFI_GUID *Protocol,
+ OUT EFI_OPEN_PROTOCOL_INFORMATION_ENTRY **EntryBuffer,
+ OUT UINTN *EntryCount
+ )
+{
+ return EFI_NOT_AVAILABLE_YET;
+}
+
+/**
+ Retrieves the list of protocol interface GUIDs that are installed on a handle in a buffer allocated
+ from pool.
+
+ @param UserHandle The handle from which to retrieve the list of
+ protocol interface GUIDs.
+ @param ProtocolBuffer A pointer to the list of protocol interface GUID
+ pointers that are installed on Handle.
+ @param ProtocolBufferCount A pointer to the number of GUID pointers present
+ in ProtocolBuffer.
+
+ @retval EFI_SUCCESS The list of protocol interface GUIDs installed
+ on Handle was returned in ProtocolBuffer. The
+ number of protocol interface GUIDs was returned
+ in ProtocolBufferCount.
+ @retval EFI_INVALID_PARAMETER Handle is NULL.
+ @retval EFI_INVALID_PARAMETER Handle is not a valid EFI_HANDLE.
+ @retval EFI_INVALID_PARAMETER ProtocolBuffer is NULL.
+ @retval EFI_INVALID_PARAMETER ProtocolBufferCount is NULL.
+ @retval EFI_OUT_OF_RESOURCES There is not enough pool memory to store the
+ results.
+
+**/
+EFI_STATUS
+EFIAPI
+UnitTestProtocolsPerHandle (
+ IN EFI_HANDLE UserHandle,
+ OUT EFI_GUID ***ProtocolBuffer,
+ OUT UINTN *ProtocolBufferCount
+ )
+{
+ return EFI_NOT_AVAILABLE_YET;
+}
+
+/**
+ Function returns an array of handles that support the requested protocol
+ in a buffer allocated from pool. This is a version of UnitTestLocateHandle()
+ that allocates a buffer for the caller.
+
+ @param SearchType Specifies which handle(s) are to be returned.
+ @param Protocol Provides the protocol to search by. This
+ parameter is only valid for SearchType
+ ByProtocol.
+ @param SearchKey Supplies the search key depending on the
+ SearchType.
+ @param NumberHandles The number of handles returned in Buffer.
+ @param Buffer A pointer to the buffer to return the requested
+ array of handles that support Protocol.
+
+ @retval EFI_SUCCESS The result array of handles was returned.
+ @retval EFI_NOT_FOUND No handles match the search.
+ @retval EFI_OUT_OF_RESOURCES There is not enough pool memory to store the
+ matching results.
+ @retval EFI_INVALID_PARAMETER One or more parameters are not valid.
+
+**/
+EFI_STATUS
+EFIAPI
+UnitTestLocateHandleBuffer (
+ IN EFI_LOCATE_SEARCH_TYPE SearchType,
+ IN EFI_GUID *Protocol OPTIONAL,
+ IN VOID *SearchKey OPTIONAL,
+ IN OUT UINTN *NumberHandles,
+ OUT EFI_HANDLE **Buffer
+ )
+{
+ EFI_STATUS Status;
+ UINTN BufferSize;
+
+ if (NumberHandles == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (Buffer == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ BufferSize = 0;
+ *NumberHandles = 0;
+ *Buffer = NULL;
+ Status = UnitTestLocateHandle (
+ SearchType,
+ Protocol,
+ SearchKey,
+ &BufferSize,
+ *Buffer
+ );
+ //
+ // LocateHandleBuffer() returns incorrect status code if SearchType is
+ // invalid.
+ //
+ // Add code to correctly handle expected errors from UnitTestLocateHandle().
+ //
+ if (EFI_ERROR (Status) && (Status != EFI_BUFFER_TOO_SMALL)) {
+ if (Status != EFI_INVALID_PARAMETER) {
+ Status = EFI_NOT_FOUND;
+ }
+
+ return Status;
+ }
+
+ *Buffer = AllocatePool (BufferSize);
+ if (*Buffer == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ Status = UnitTestLocateHandle (
+ SearchType,
+ Protocol,
+ SearchKey,
+ &BufferSize,
+ *Buffer
+ );
+
+ *NumberHandles = BufferSize / sizeof (EFI_HANDLE);
+ if (EFI_ERROR (Status)) {
+ *NumberHandles = 0;
+ }
+
+ return Status;
+}
+
+/**
+ Return the first Protocol Interface that matches the Protocol GUID. If
+ Registration is passed in, return a Protocol Instance that was just add
+ to the system. If Registration is NULL return the first Protocol Interface
+ you find.
+
+ @param Protocol The protocol to search for
+ @param Registration Optional Registration Key returned from
+ RegisterProtocolNotify()
+ @param Interface Return the Protocol interface (instance).
+
+ @retval EFI_SUCCESS If a valid Interface is returned
+ @retval EFI_INVALID_PARAMETER Invalid parameter
+ @retval EFI_NOT_FOUND Protocol interface not found
+
+**/
+EFI_STATUS
+EFIAPI
+UnitTestLocateProtocol (
+ IN EFI_GUID *Protocol,
+ IN VOID *Registration OPTIONAL,
+ OUT VOID **Interface
+ )
+{
+ return EFI_NOT_AVAILABLE_YET;
+}
+
+/**
+ Installs a list of protocol interface into the boot services environment.
+ This function calls InstallProtocolInterface() in a loop. If any error
+ occurs all the protocols added by this function are removed. This is
+ basically a lib function to save space.
+
+ @param Handle The handle to install the protocol handlers on,
+ or NULL if a new handle is to be allocated
+ @param ... EFI_GUID followed by protocol instance. A NULL
+ terminates the list. The pairs are the
+ arguments to InstallProtocolInterface(). All the
+ protocols are added to Handle.
+
+ @retval EFI_SUCCESS All the protocol interface was installed.
+ @retval EFI_OUT_OF_RESOURCES There was not enough memory in pool to install all the protocols.
+ @retval EFI_ALREADY_STARTED A Device Path Protocol instance was passed in that is already present in
+ the handle database.
+ @retval EFI_INVALID_PARAMETER Handle is NULL.
+ @retval EFI_INVALID_PARAMETER Protocol is already installed on the handle specified by Handle.
+
+**/
+EFI_STATUS
+EFIAPI
+UnitTestInstallMultipleProtocolInterfaces (
+ IN OUT EFI_HANDLE *Handle,
+ ...
+ )
+{
+ return EFI_NOT_AVAILABLE_YET;
+}
+
+/**
+ Uninstalls a list of protocol interface in the boot services environment.
+ This function calls UninstallProtocolInterface() in a loop. This is
+ basically a lib function to save space.
+
+ @param Handle The handle to uninstall the protocol
+ @param ... EFI_GUID followed by protocol instance. A NULL
+ terminates the list. The pairs are the
+ arguments to UninstallProtocolInterface(). All
+ the protocols are added to Handle.
+
+ @return Status code
+
+**/
+EFI_STATUS
+EFIAPI
+UnitTestUninstallMultipleProtocolInterfaces (
+ IN EFI_HANDLE Handle,
+ ...
+ )
+{
+ EFI_STATUS Status;
+ VA_LIST Args;
+ EFI_GUID *Protocol;
+ VOID *Interface;
+ UINTN Index;
+
+ VA_START (Args, Handle);
+ for (Index = 0, Status = EFI_SUCCESS; !EFI_ERROR (Status); Index++) {
+ //
+ // If protocol is NULL, then it's the end of the list
+ //
+ Protocol = VA_ARG (Args, EFI_GUID *);
+ if (Protocol == NULL) {
+ break;
+ }
+
+ Interface = VA_ARG (Args, VOID *);
+
+ //
+ // Uninstall it
+ //
+ Status = UnitTestUninstallProtocolInterface (Handle, Protocol, Interface);
+ }
+
+ VA_END (Args);
+
+ //
+ // If there was an error, add all the interfaces that were
+ // uninstalled without any errors
+ //
+ if (EFI_ERROR (Status)) {
+ //
+ // Reset the va_arg back to the first argument.
+ //
+ VA_START (Args, Handle);
+ for ( ; Index > 1; Index--) {
+ Protocol = VA_ARG (Args, EFI_GUID *);
+ Interface = VA_ARG (Args, VOID *);
+ UnitTestInstallProtocolInterface (&Handle, Protocol, EFI_NATIVE_INTERFACE, Interface);
+ }
+
+ VA_END (Args);
+ Status = EFI_INVALID_PARAMETER;
+ }
+
+ return Status;
+}
generated by cgit v1.2.3 (git 2.39.0) at 2026-09-09 08:57:31 +0300