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Diffstat (limited to 'EmulatorPkg/Win/Host/WinBlockIo.c')
-rw-r--r--EmulatorPkg/Win/Host/WinBlockIo.c224
1 files changed, 107 insertions, 117 deletions
diff --git a/EmulatorPkg/Win/Host/WinBlockIo.c b/EmulatorPkg/Win/Host/WinBlockIo.c
index f602a6a01d..c7cfbee2e0 100644
--- a/EmulatorPkg/Win/Host/WinBlockIo.c
+++ b/EmulatorPkg/Win/Host/WinBlockIo.c
@@ -7,63 +7,60 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
#include "WinHost.h"
-#define WIN_NT_BLOCK_IO_PRIVATE_SIGNATURE SIGNATURE_32 ('N', 'T', 'b', 'k')
+#define WIN_NT_BLOCK_IO_PRIVATE_SIGNATURE SIGNATURE_32 ('N', 'T', 'b', 'k')
typedef struct {
- UINTN Signature;
+ UINTN Signature;
- EMU_IO_THUNK_PROTOCOL *Thunk;
+ EMU_IO_THUNK_PROTOCOL *Thunk;
- CHAR16 *FileName;
- BOOLEAN Removable;
- BOOLEAN Readonly;
+ CHAR16 *FileName;
+ BOOLEAN Removable;
+ BOOLEAN Readonly;
- HANDLE NtHandle;
- UINT32 BlockSize;
+ HANDLE NtHandle;
+ UINT32 BlockSize;
- EFI_BLOCK_IO_MEDIA *Media;
- EMU_BLOCK_IO_PROTOCOL EmuBlockIo;
+ EFI_BLOCK_IO_MEDIA *Media;
+ EMU_BLOCK_IO_PROTOCOL EmuBlockIo;
} WIN_NT_BLOCK_IO_PRIVATE;
#define WIN_NT_BLOCK_IO_PRIVATE_DATA_FROM_THIS(a) \
CR(a, WIN_NT_BLOCK_IO_PRIVATE, EmuBlockIo, WIN_NT_BLOCK_IO_PRIVATE_SIGNATURE)
-
EFI_STATUS
WinNtBlockIoReset (
- IN EMU_BLOCK_IO_PROTOCOL *This,
- IN BOOLEAN ExtendedVerification
+ IN EMU_BLOCK_IO_PROTOCOL *This,
+ IN BOOLEAN ExtendedVerification
);
-
-
-
EFI_STATUS
SetFilePointer64 (
- IN WIN_NT_BLOCK_IO_PRIVATE *Private,
- IN INT64 DistanceToMove,
- OUT UINT64 *NewFilePointer,
- IN DWORD MoveMethod
-)
+ IN WIN_NT_BLOCK_IO_PRIVATE *Private,
+ IN INT64 DistanceToMove,
+ OUT UINT64 *NewFilePointer,
+ IN DWORD MoveMethod
+ )
+
/*++
This function extends the capability of SetFilePointer to accept 64 bit parameters
--*/
{
- EFI_STATUS Status;
- LARGE_INTEGER LargeInt;
+ EFI_STATUS Status;
+ LARGE_INTEGER LargeInt;
LargeInt.QuadPart = DistanceToMove;
- Status = EFI_SUCCESS;
+ Status = EFI_SUCCESS;
LargeInt.LowPart = SetFilePointer (
- Private->NtHandle,
- LargeInt.LowPart,
- &LargeInt.HighPart,
- MoveMethod
- );
+ Private->NtHandle,
+ LargeInt.LowPart,
+ &LargeInt.HighPart,
+ MoveMethod
+ );
- if (LargeInt.LowPart == -1 && GetLastError () != NO_ERROR) {
+ if ((LargeInt.LowPart == -1) && (GetLastError () != NO_ERROR)) {
Status = EFI_INVALID_PARAMETER;
}
@@ -74,16 +71,14 @@ This function extends the capability of SetFilePointer to accept 64 bit paramete
return Status;
}
-
-
EFI_STATUS
WinNtBlockIoOpenDevice (
- IN WIN_NT_BLOCK_IO_PRIVATE *Private,
- IN EFI_BLOCK_IO_MEDIA *Media
+ IN WIN_NT_BLOCK_IO_PRIVATE *Private,
+ IN EFI_BLOCK_IO_MEDIA *Media
)
{
- EFI_STATUS Status;
- UINT64 FileSize;
+ EFI_STATUS Status;
+ UINT64 FileSize;
//
// If the device is already opened, close it
@@ -96,19 +91,19 @@ WinNtBlockIoOpenDevice (
// Open the device
//
Private->NtHandle = CreateFile (
- Private->FileName,
- GENERIC_READ | (Private->Readonly ? 0 : GENERIC_WRITE),
- FILE_SHARE_READ | FILE_SHARE_WRITE,
- NULL,
- OPEN_ALWAYS, // Create if it doesn't exist
- 0,
- NULL
- );
+ Private->FileName,
+ GENERIC_READ | (Private->Readonly ? 0 : GENERIC_WRITE),
+ FILE_SHARE_READ | FILE_SHARE_WRITE,
+ NULL,
+ OPEN_ALWAYS, // Create if it doesn't exist
+ 0,
+ NULL
+ );
if (Private->NtHandle == INVALID_HANDLE_VALUE) {
DEBUG ((DEBUG_INFO, "OpenBlock: Could not open %S, %x\n", Private->FileName, GetLastError ()));
Media->MediaPresent = FALSE;
- Status = EFI_NO_MEDIA;
+ Status = EFI_NO_MEDIA;
goto Done;
}
@@ -138,15 +133,14 @@ Done:
return Status;
}
-
EFI_STATUS
EFIAPI
WinNtBlockIoCreateMapping (
- IN EMU_BLOCK_IO_PROTOCOL *This,
- IN EFI_BLOCK_IO_MEDIA *Media
+ IN EMU_BLOCK_IO_PROTOCOL *This,
+ IN EFI_BLOCK_IO_MEDIA *Media
)
{
- WIN_NT_BLOCK_IO_PRIVATE *Private;
+ WIN_NT_BLOCK_IO_PRIVATE *Private;
Private = WIN_NT_BLOCK_IO_PRIVATE_DATA_FROM_THIS (This);
@@ -164,7 +158,6 @@ WinNtBlockIoCreateMapping (
Media->LowestAlignedLba = 0;
Media->LogicalBlocksPerPhysicalBlock = 0;
-
// EFI_BLOCK_IO_PROTOCOL_REVISION3
Media->OptimalTransferLengthGranularity = 0;
@@ -175,12 +168,11 @@ WinNtBlockIoCreateMapping (
return WinNtBlockIoOpenDevice (Private, Media);
}
-
-
EFI_STATUS
WinNtBlockIoError (
- IN WIN_NT_BLOCK_IO_PRIVATE *Private
-)
+ IN WIN_NT_BLOCK_IO_PRIVATE *Private
+ )
+
/*++
Routine Description:
@@ -197,49 +189,47 @@ Returns:
--*/
{
- EFI_BLOCK_IO_MEDIA *Media;
- EFI_STATUS Status;
+ EFI_BLOCK_IO_MEDIA *Media;
+ EFI_STATUS Status;
Media = Private->Media;
switch (GetLastError ()) {
-
- case ERROR_NOT_READY:
- Media->ReadOnly = FALSE;
- Media->MediaPresent = FALSE;
- Status = EFI_NO_MEDIA;
- break;
-
- case ERROR_WRONG_DISK:
- Media->ReadOnly = FALSE;
- Media->MediaPresent = TRUE;
- Media->MediaId++;
- Status = EFI_MEDIA_CHANGED;
- break;
-
- case ERROR_WRITE_PROTECT:
- Media->ReadOnly = TRUE;
- Status = EFI_WRITE_PROTECTED;
- break;
-
- default:
- Status = EFI_DEVICE_ERROR;
- break;
+ case ERROR_NOT_READY:
+ Media->ReadOnly = FALSE;
+ Media->MediaPresent = FALSE;
+ Status = EFI_NO_MEDIA;
+ break;
+
+ case ERROR_WRONG_DISK:
+ Media->ReadOnly = FALSE;
+ Media->MediaPresent = TRUE;
+ Media->MediaId++;
+ Status = EFI_MEDIA_CHANGED;
+ break;
+
+ case ERROR_WRITE_PROTECT:
+ Media->ReadOnly = TRUE;
+ Status = EFI_WRITE_PROTECTED;
+ break;
+
+ default:
+ Status = EFI_DEVICE_ERROR;
+ break;
}
- if (Status == EFI_NO_MEDIA || Status == EFI_MEDIA_CHANGED) {
+ if ((Status == EFI_NO_MEDIA) || (Status == EFI_MEDIA_CHANGED)) {
WinNtBlockIoReset (&Private->EmuBlockIo, FALSE);
}
return Status;
}
-
EFI_STATUS
WinNtSignalToken (
- IN OUT EFI_BLOCK_IO2_TOKEN *Token,
- IN EFI_STATUS Status
-)
+ IN OUT EFI_BLOCK_IO2_TOKEN *Token,
+ IN EFI_STATUS Status
+ )
{
if (Token != NULL) {
if (Token->Event != NULL) {
@@ -248,6 +238,7 @@ WinNtSignalToken (
return EFI_SUCCESS;
}
}
+
return Status;
}
@@ -291,15 +282,15 @@ WinNtBlockIoReadBlocks (
IN EFI_LBA Lba,
IN OUT EFI_BLOCK_IO2_TOKEN *Token,
IN UINTN BufferSize,
- OUT VOID *Buffer
+ OUT VOID *Buffer
)
{
- WIN_NT_BLOCK_IO_PRIVATE *Private;
- BOOL Flag;
- EFI_STATUS Status;
- DWORD BytesRead;
- UINT64 DistanceToMove;
- UINT64 DistanceMoved;
+ WIN_NT_BLOCK_IO_PRIVATE *Private;
+ BOOL Flag;
+ EFI_STATUS Status;
+ DWORD BytesRead;
+ UINT64 DistanceToMove;
+ UINT64 DistanceMoved;
Private = WIN_NT_BLOCK_IO_PRIVATE_DATA_FROM_THIS (This);
@@ -307,7 +298,7 @@ WinNtBlockIoReadBlocks (
// Seek to proper position
//
DistanceToMove = MultU64x32 (Lba, (UINT32)Private->BlockSize);
- Status = SetFilePointer64 (Private, DistanceToMove, &DistanceMoved, FILE_BEGIN);
+ Status = SetFilePointer64 (Private, DistanceToMove, &DistanceMoved, FILE_BEGIN);
if (EFI_ERROR (Status) || (DistanceToMove != DistanceMoved)) {
DEBUG ((DEBUG_INIT, "ReadBlocks: SetFilePointer failed\n"));
@@ -323,7 +314,6 @@ WinNtBlockIoReadBlocks (
return WinNtSignalToken (Token, EFI_SUCCESS);
}
-
/**
Write BufferSize bytes from Lba into Buffer.
@@ -365,12 +355,12 @@ WinNtBlockIoWriteBlocks (
IN VOID *Buffer
)
{
- WIN_NT_BLOCK_IO_PRIVATE *Private;
- UINTN BytesWritten;
- BOOL Success;
- EFI_STATUS Status;
- UINT64 DistanceToMove;
- UINT64 DistanceMoved;
+ WIN_NT_BLOCK_IO_PRIVATE *Private;
+ UINTN BytesWritten;
+ BOOL Success;
+ EFI_STATUS Status;
+ UINT64 DistanceToMove;
+ UINT64 DistanceMoved;
Private = WIN_NT_BLOCK_IO_PRIVATE_DATA_FROM_THIS (This);
@@ -378,7 +368,7 @@ WinNtBlockIoWriteBlocks (
// Seek to proper position
//
DistanceToMove = MultU64x32 (Lba, (UINT32)Private->BlockSize);
- Status = SetFilePointer64 (Private, DistanceToMove, &DistanceMoved, FILE_BEGIN);
+ Status = SetFilePointer64 (Private, DistanceToMove, &DistanceMoved, FILE_BEGIN);
if (EFI_ERROR (Status) || (DistanceToMove != DistanceMoved)) {
DEBUG ((DEBUG_INIT, "WriteBlocks: SetFilePointer failed\n"));
@@ -422,14 +412,13 @@ WinNtBlockIoWriteBlocks (
**/
EFI_STATUS
WinNtBlockIoFlushBlocks (
- IN EMU_BLOCK_IO_PROTOCOL *This,
- IN OUT EFI_BLOCK_IO2_TOKEN *Token
+ IN EMU_BLOCK_IO_PROTOCOL *This,
+ IN OUT EFI_BLOCK_IO2_TOKEN *Token
)
{
return WinNtSignalToken (Token, EFI_SUCCESS);
}
-
/**
Reset the block device hardware.
@@ -445,11 +434,11 @@ WinNtBlockIoFlushBlocks (
**/
EFI_STATUS
WinNtBlockIoReset (
- IN EMU_BLOCK_IO_PROTOCOL *This,
- IN BOOLEAN ExtendedVerification
+ IN EMU_BLOCK_IO_PROTOCOL *This,
+ IN BOOLEAN ExtendedVerification
)
{
- WIN_NT_BLOCK_IO_PRIVATE *Private;
+ WIN_NT_BLOCK_IO_PRIVATE *Private;
Private = WIN_NT_BLOCK_IO_PRIVATE_DATA_FROM_THIS (This);
@@ -461,7 +450,7 @@ WinNtBlockIoReset (
return EFI_SUCCESS;
}
-EMU_BLOCK_IO_PROTOCOL gEmuBlockIoProtocol = {
+EMU_BLOCK_IO_PROTOCOL gEmuBlockIoProtocol = {
WinNtBlockIoReset,
WinNtBlockIoReadBlocks,
WinNtBlockIoWriteBlocks,
@@ -472,7 +461,7 @@ EMU_BLOCK_IO_PROTOCOL gEmuBlockIoProtocol = {
EFI_STATUS
EFIAPI
WinNtBlockIoThunkOpen (
- IN EMU_IO_THUNK_PROTOCOL *This
+ IN EMU_IO_THUNK_PROTOCOL *This
)
{
WIN_NT_BLOCK_IO_PRIVATE *Private;
@@ -487,12 +476,13 @@ WinNtBlockIoThunkOpen (
Private->Thunk = This;
CopyMem (&Private->EmuBlockIo, &gEmuBlockIoProtocol, sizeof (gEmuBlockIoProtocol));
Private->BlockSize = 512;
- Private->NtHandle = INVALID_HANDLE_VALUE;
+ Private->NtHandle = INVALID_HANDLE_VALUE;
Private->FileName = AllocateCopyPool (StrSize (This->ConfigString), This->ConfigString);
if (Private->FileName == NULL) {
return EFI_OUT_OF_RESOURCES;
}
+
//
// Parse ConfigString
// <ConfigString> := <FileName> ':' [RF][OW] ':' <BlockSize>
@@ -503,12 +493,14 @@ WinNtBlockIoThunkOpen (
Private->Readonly = FALSE;
} else {
for (*Str++ = L'\0'; *Str != L'\0'; Str++) {
- if (*Str == 'R' || *Str == 'F') {
- Private->Removable = (BOOLEAN) (*Str == L'R');
+ if ((*Str == 'R') || (*Str == 'F')) {
+ Private->Removable = (BOOLEAN)(*Str == L'R');
}
- if (*Str == 'O' || *Str == 'W') {
- Private->Readonly = (BOOLEAN) (*Str == L'O');
+
+ if ((*Str == 'O') || (*Str == 'W')) {
+ Private->Readonly = (BOOLEAN)(*Str == L'O');
}
+
if (*Str == ':') {
Private->BlockSize = wcstol (++Str, NULL, 0);
break;
@@ -521,11 +513,10 @@ WinNtBlockIoThunkOpen (
return EFI_SUCCESS;
}
-
EFI_STATUS
EFIAPI
WinNtBlockIoThunkClose (
- IN EMU_IO_THUNK_PROTOCOL *This
+ IN EMU_IO_THUNK_PROTOCOL *This
)
{
WIN_NT_BLOCK_IO_PRIVATE *Private;
@@ -536,15 +527,14 @@ WinNtBlockIoThunkClose (
if (Private->FileName != NULL) {
FreePool (Private->FileName);
}
+
FreePool (Private);
}
return EFI_SUCCESS;
}
-
-
-EMU_IO_THUNK_PROTOCOL mWinNtBlockIoThunkIo = {
+EMU_IO_THUNK_PROTOCOL mWinNtBlockIoThunkIo = {
&gEmuBlockIoProtocolGuid,
NULL,
NULL,
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-18 01:26:53 +0000