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add vdiskchain module

This commit is contained in:
longpanda 2021-01-20 10:59:21 +08:00
parent 8f711c9db9
commit 8632e56561
7 changed files with 914 additions and 0 deletions
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59
EDK2/build.sh Normal file
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#!/bin/sh
if [ -z "$1" ]; then
EDKARCH=X64
postfix=x64
elif [ "$1" = "ia32" ]; then
EDKARCH=IA32
postfix=ia32
shift
elif [ "$1" = "aa64" ]; then
EDKARCH=AARCH64
postfix=aa64
shift
fi
cd edk2-edk2-stable201911
rm -rf ./Conf/.cache
rm -f ./Conf/.AutoGenIdFile.txt
VTEFI_PATH=Build/MdeModule/RELEASE_GCC48/$EDKARCH/MdeModulePkg/Application/Ventoy/Ventoy/OUTPUT/Ventoy.efi
DST_PATH=../../INSTALL/ventoy/ventoy_${postfix}.efi
VTEFI_PATH2=Build/MdeModule/RELEASE_GCC48/$EDKARCH/MdeModulePkg/Application/VtoyUtil/VtoyUtil/OUTPUT/VtoyUtil.efi
DST_PATH2=../../INSTALL/ventoy/vtoyutil_${postfix}.efi
VTEFI_PATH3=Build/MdeModule/RELEASE_GCC48/$EDKARCH/MdeModulePkg/Application/VDiskChain/VDiskChain/OUTPUT/VDiskChain.efi
DST_PATH3=../../VDiskChain/Tool/vdiskchain_${postfix}.efi
rm -f $VTEFI_PATH
rm -f $DST_PATH
rm -f $VTEFI_PATH2
rm -f $DST_PATH2
rm -f $VTEFI_PATH3
rm -f $DST_PATH3
source ./edksetup.sh
if [ "$EDKARCH" = "AARCH64" ]; then
PATH=$PATH:/opt/gcc-linaro-7.4.1-2019.02-x86_64_aarch64-linux-gnu/bin \
GCC48_AARCH64_PREFIX=aarch64-linux-gnu- \
build -p MdeModulePkg/MdeModulePkg.dsc -a $EDKARCH -b RELEASE -t GCC48
else
build -p MdeModulePkg/MdeModulePkg.dsc -a $EDKARCH -b RELEASE -t GCC48
fi
if [ -e $VTEFI_PATH ] && [ -e $VTEFI_PATH2 ] && [ -e $VTEFI_PATH3 ]; then
echo -e '\n\n====================== SUCCESS ========================\n\n'
cp -a $VTEFI_PATH $DST_PATH
cp -a $VTEFI_PATH2 $DST_PATH2
cp -a $VTEFI_PATH3 $DST_PATH3
cd ..
else
echo -e '\n\n====================== FAILED ========================\n\n'
cd ..
exit 1
fi

410
EDK2/edk2_mod/edk2-edk2-stable201911/MdeModulePkg/Application/VDiskChain/VDiskChain.c Normal file
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/******************************************************************************
* VDiskChain.c
*
* Copyright (c) 2021, longpanda <admin@ventoy.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*
*/
#include <Uefi.h>
#include <Library/DebugLib.h>
#include <Library/PrintLib.h>
#include <Library/UefiLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/DevicePathLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiRuntimeServicesTableLib.h>
#include <Library/UefiApplicationEntryPoint.h>
#include <Library/UefiDecompressLib.h>
#include <Protocol/LoadedImage.h>
#include <Guid/FileInfo.h>
#include <Guid/FileSystemInfo.h>
#include <Protocol/BlockIo.h>
#include <Protocol/RamDisk.h>
#include <Protocol/SimpleFileSystem.h>
#include <VDiskChain.h>
BOOLEAN gVDiskDebugPrint = FALSE;
vdisk_block_data gVDiskBlockData;
/* Boot filename */
CONST CHAR16 *gEfiBootFileName[] =
{
L"@",
EFI_REMOVABLE_MEDIA_FILE_NAME,
#if defined (MDE_CPU_IA32)
L"\\EFI\\BOOT\\GRUBIA32.EFI",
L"\\EFI\\BOOT\\BOOTia32.EFI",
L"\\EFI\\BOOT\\bootia32.efi",
L"\\efi\\boot\\bootia32.efi",
#elif defined (MDE_CPU_X64)
L"\\EFI\\BOOT\\GRUBX64.EFI",
L"\\EFI\\BOOT\\BOOTx64.EFI",
L"\\EFI\\BOOT\\bootx64.efi",
L"\\efi\\boot\\bootx64.efi",
#elif defined (MDE_CPU_ARM)
L"\\EFI\\BOOT\\GRUBARM.EFI",
L"\\EFI\\BOOT\\BOOTarm.EFI",
L"\\EFI\\BOOT\\bootarm.efi",
L"\\efi\\boot\\bootarm.efi",
#elif defined (MDE_CPU_AARCH64)
L"\\EFI\\BOOT\\GRUBAA64.EFI",
L"\\EFI\\BOOT\\BOOTaa64.EFI",
L"\\EFI\\BOOT\\bootaa64.efi",
L"\\efi\\boot\\bootaa64.efi",
#endif
};
UINT8 *g_disk_buf_addr = NULL;
UINT64 g_disk_buf_size = 0;
VOID EFIAPI VDiskDebug(IN CONST CHAR8 *Format, ...)
{
VA_LIST Marker;
CHAR16 Buffer[512];
VA_START (Marker, Format);
UnicodeVSPrintAsciiFormat(Buffer, sizeof(Buffer), Format, Marker);
VA_END (Marker);
gST->ConOut->OutputString(gST->ConOut, Buffer);
}
VOID EFIAPI vdisk_clear_input(VOID)
{
EFI_INPUT_KEY Key;
gST->ConIn->Reset(gST->ConIn, FALSE);
while (EFI_SUCCESS == gST->ConIn->ReadKeyStroke(gST->ConIn, &Key))
{
;
}
gST->ConIn->Reset(gST->ConIn, FALSE);
}
STATIC EFI_STATUS EFIAPI vdisk_load_image
(
IN EFI_HANDLE ImageHandle,
IN EFI_DEVICE_PATH_PROTOCOL *pDevicePath,
IN CONST CHAR16 *FileName,
IN UINTN FileNameLen,
OUT EFI_HANDLE *Image
)
{
EFI_STATUS Status = EFI_SUCCESS;
CHAR16 TmpBuf[256] = {0};
FILEPATH_DEVICE_PATH *pFilePath = NULL;
EFI_DEVICE_PATH_PROTOCOL *pImgPath = NULL;
pFilePath = (FILEPATH_DEVICE_PATH *)TmpBuf;
pFilePath->Header.Type = MEDIA_DEVICE_PATH;
pFilePath->Header.SubType = MEDIA_FILEPATH_DP;
pFilePath->Header.Length[0] = FileNameLen + sizeof(EFI_DEVICE_PATH_PROTOCOL);
pFilePath->Header.Length[1] = 0;
CopyMem(pFilePath->PathName, FileName, FileNameLen);
pImgPath = AppendDevicePathNode(pDevicePath, (EFI_DEVICE_PATH_PROTOCOL *)pFilePath);
if (!pImgPath)
{
return EFI_NOT_FOUND;
}
Status = gBS->LoadImage(FALSE, ImageHandle, pImgPath, NULL, 0, Image);
debug("Load Image File %r DP: <%s>", Status, ConvertDevicePathToText(pImgPath, FALSE, FALSE));
FreePool(pImgPath);
return Status;
}
STATIC EFI_STATUS EFIAPI vdisk_decompress_vdisk(IN EFI_LOADED_IMAGE_PROTOCOL *pImageInfo)
{
UINT32 Size;
UINT32 DestinationSize;
UINT32 ScratchSize;
UINT8 *buf;
VOID *ScratchBuf;
EFI_STATUS Status = EFI_SUCCESS;
(VOID)pImageInfo;
vdisk_get_vdisk_raw(&buf, &Size);
UefiDecompressGetInfo(buf + VDISK_MAGIC_LEN, Size - VDISK_MAGIC_LEN, &DestinationSize, &ScratchSize);
debug("vdisk: size:%u realsize:%u", Size, DestinationSize);
g_disk_buf_size = DestinationSize;
g_disk_buf_addr = AllocatePool(DestinationSize);
ScratchBuf = AllocatePool(ScratchSize);
Status = UefiDecompress(buf + VDISK_MAGIC_LEN, g_disk_buf_addr, ScratchBuf);
FreePool(ScratchBuf);
debug("Status:%r %p %u", Status, g_disk_buf_addr, (UINT32)g_disk_buf_size);
return EFI_SUCCESS;
}
STATIC EFI_STATUS vdisk_patch_vdisk_path(CHAR16 *pos)
{
UINTN i;
UINTN j;
CHAR16 *end;
CHAR8 *buf = (char *)g_disk_buf_addr;
if (*pos == L'\"')
{
pos++;
}
end = StrStr(pos, L".vtoy");
end += 5;//string length
for (i = 0; i < g_disk_buf_size; i++)
{
if (*(UINT32 *)(buf + i) == 0x59595959)
{
for (j = 0; j < 300; j++)
{
if (buf[i + j] != 'Y')
{
break;
}
}
if (j >= 300)
{
break;
}
}
}
if (i >= g_disk_buf_size)
{
debug("No need to fill vdisk path");
return 0;
}
debug("Fill vdisk path at %d", i);
while (pos != end)
{
buf[i++] = (CHAR8)(*pos++);
}
buf[i++] = '\"';
while (buf[i] == 'Y' || buf[i] == '\"')
{
buf[i] = ' ';
i++;
}
return 0;
}
STATIC EFI_STATUS EFIAPI vdisk_parse_cmdline(IN EFI_HANDLE ImageHandle)
{
CHAR16 *Pos = NULL;
CHAR16 *pCmdLine = NULL;
EFI_STATUS Status = EFI_SUCCESS;
EFI_LOADED_IMAGE_PROTOCOL *pImageInfo = NULL;
Status = gBS->HandleProtocol(ImageHandle, &gEfiLoadedImageProtocolGuid, (VOID **)&pImageInfo);
if (EFI_ERROR(Status))
{
VDiskDebug("Failed to handle load image protocol %r\n", Status);
return Status;
}
pCmdLine = (CHAR16 *)AllocatePool(pImageInfo->LoadOptionsSize + 4);
SetMem(pCmdLine, pImageInfo->LoadOptionsSize + 4, 0);
CopyMem(pCmdLine, pImageInfo->LoadOptions, pImageInfo->LoadOptionsSize);
if (StrStr(pCmdLine, L"debug"))
{
gVDiskDebugPrint = TRUE;
}
debug("cmdline:<%s>", pCmdLine);
vdisk_debug_pause();
Pos = StrStr(pCmdLine, L"vdisk=");
if (NULL == Pos || NULL == StrStr(pCmdLine, L".vtoy"))
{
VDiskDebug("vdisk parameter not found!\n");
return EFI_NOT_FOUND;
}
vdisk_decompress_vdisk(pImageInfo);
vdisk_patch_vdisk_path(Pos + 6);
FreePool(pCmdLine);
return EFI_SUCCESS;
}
EFI_STATUS EFIAPI vdisk_boot(IN EFI_HANDLE ImageHandle)
{
UINTN t = 0;
UINTN i = 0;
UINTN j = 0;
UINTN Find = 0;
UINTN Count = 0;
EFI_HANDLE Image = NULL;
EFI_HANDLE *Handles = NULL;
EFI_STATUS Status = EFI_SUCCESS;
EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *pFile = NULL;
EFI_DEVICE_PATH_PROTOCOL *pDevPath = NULL;
for (t = 0; t < 3; t++)
{
Count = 0;
Handles = NULL;
Status = gBS->LocateHandleBuffer(ByProtocol, &gEfiSimpleFileSystemProtocolGuid,
NULL, &Count, &Handles);
if (EFI_ERROR(Status))
{
return Status;
}
debug("vdisk_boot fs count:%u", Count);
for (i = 0; i < Count; i++)
{
Status = gBS->HandleProtocol(Handles[i], &gEfiSimpleFileSystemProtocolGuid, (VOID **)&pFile);
if (EFI_ERROR(Status))
{
continue;
}
debug("FS:%u Protocol:%p OpenVolume:%p", i, pFile, pFile->OpenVolume);
Status = gBS->OpenProtocol(Handles[i], &gEfiDevicePathProtocolGuid,
(VOID **)&pDevPath,
ImageHandle,
Handles[i],
EFI_OPEN_PROTOCOL_GET_PROTOCOL);
if (EFI_ERROR(Status))
{
debug("Failed to open device path protocol %r", Status);
continue;
}
debug("Handle:%p FS DP: <%s>", Handles[i], ConvertDevicePathToText(pDevPath, FALSE, FALSE));
if (CompareMem(gVDiskBlockData.Path, pDevPath, gVDiskBlockData.DevicePathCompareLen))
{
debug("Not ventoy disk file system");
continue;
}
for (j = 1; j < ARRAY_SIZE(gEfiBootFileName); j++)
{
Status = vdisk_load_image(ImageHandle, pDevPath, gEfiBootFileName[j],
StrSize(gEfiBootFileName[j]), &Image);
if (EFI_SUCCESS == Status)
{
break;
}
debug("Failed to load image %r <%s>", Status, gEfiBootFileName[j]);
}
if (j >= ARRAY_SIZE(gEfiBootFileName))
{
continue;
}
Find++;
debug("Find boot file, now try to boot .....");
vdisk_debug_pause();
if (gVDiskDebugPrint)
{
gST->ConIn->Reset(gST->ConIn, FALSE);
}
/* can't add debug print here */
//ventoy_wrapper_system();
Status = gBS->StartImage(Image, NULL, NULL);
if (EFI_ERROR(Status))
{
debug("Failed to start image %r", Status);
sleep(3);
gBS->UnloadImage(Image);
break;
}
}
FreePool(Handles);
if (Find == 0)
{
debug("Fs not found, now wait and retry...");
sleep(2);
}
}
if (Find == 0)
{
return EFI_NOT_FOUND;
}
return EFI_SUCCESS;
}
EFI_STATUS EFIAPI VDiskChainEfiMain
(
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status = EFI_SUCCESS;
gST->ConOut->ClearScreen(gST->ConOut);
vdisk_clear_input();
Status = vdisk_parse_cmdline(ImageHandle);
if (EFI_ERROR(Status))
{
return Status;
}
vdisk_install_blockio(ImageHandle, g_disk_buf_size);
vdisk_debug_pause();
Status = vdisk_boot(ImageHandle);
gBS->DisconnectController(gVDiskBlockData.Handle, NULL, NULL);
gBS->UninstallMultipleProtocolInterfaces(gVDiskBlockData.Handle,
&gEfiBlockIoProtocolGuid, &gVDiskBlockData.BlockIo,
&gEfiDevicePathProtocolGuid, gVDiskBlockData.Path,
NULL);
if (EFI_NOT_FOUND == Status)
{
gST->ConOut->OutputString(gST->ConOut, L"No bootfile found for UEFI!\r\n");
gST->ConOut->OutputString(gST->ConOut, L"Maybe the image does not support " VENTOY_UEFI_DESC L"!\r\n");
sleep(30);
}
vdisk_clear_input();
gST->ConOut->ClearScreen(gST->ConOut);
return EFI_SUCCESS;
}

97
EDK2/edk2_mod/edk2-edk2-stable201911/MdeModulePkg/Application/VDiskChain/VDiskChain.h Normal file
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/******************************************************************************
* VDiskChain.h
*
* Copyright (c) 2021, longpanda <admin@ventoy.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef __VENTOY_H__
#define __VENTOY_H__
#define VDISK_MAGIC_LEN 32
#define VDISK_BLOCK_DEVICE_PATH_GUID \
{ 0x6ed2134e, 0xc2ea, 0x4943, { 0x99, 0x54, 0xa7, 0x76, 0xe5, 0x9c, 0x12, 0xc3 }}
#define VDISK_BLOCK_DEVICE_PATH_NAME L"vdisk"
#if defined (MDE_CPU_IA32)
#define VENTOY_UEFI_DESC L"IA32 UEFI"
#elif defined (MDE_CPU_X64)
#define VENTOY_UEFI_DESC L"X64 UEFI"
#elif defined (MDE_CPU_EBC)
#elif defined (MDE_CPU_ARM)
#define VENTOY_UEFI_DESC L"ARM UEFI"
#elif defined (MDE_CPU_AARCH64)
#define VENTOY_UEFI_DESC L"ARM64 UEFI"
#else
#error Unknown Processor Type
#endif
typedef struct vdisk_block_data
{
EFI_HANDLE Handle;
EFI_BLOCK_IO_MEDIA Media; /* Media descriptor */
EFI_BLOCK_IO_PROTOCOL BlockIo; /* Block I/O protocol */
UINTN DevicePathCompareLen;
EFI_DEVICE_PATH_PROTOCOL *Path; /* Device path protocol */
EFI_HANDLE RawBlockIoHandle;
EFI_BLOCK_IO_PROTOCOL *pRawBlockIo;
EFI_DEVICE_PATH_PROTOCOL *pDiskDevPath;
/* ventoy disk part2 ESP */
EFI_HANDLE DiskFsHandle;
EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *pDiskFs;
EFI_DEVICE_PATH_PROTOCOL *pDiskFsDevPath;
EFI_HANDLE IsoDriverImage;
}vdisk_block_data;
#define debug(expr, ...) if (gVDiskDebugPrint) VDiskDebug("[VDISK] "expr"\r\n", ##__VA_ARGS__)
#define trace(expr, ...) VDiskDebug("[VDISK] "expr"\r\n", ##__VA_ARGS__)
#define sleep(sec) gBS->Stall(1000000 * (sec))
#define vdisk_debug_pause() \
if (gVDiskDebugPrint) \
{ \
UINTN __Index = 0; \
gST->ConOut->OutputString(gST->ConOut, L"[VDISK] ###### Press Enter to continue... ######\r\n");\
gST->ConIn->Reset(gST->ConIn, FALSE); \
gBS->WaitForEvent(1, &gST->ConIn->WaitForKey, &__Index);\
}
extern BOOLEAN gVDiskDebugPrint;
VOID EFIAPI VDiskDebug(IN CONST CHAR8 *Format, ...);
EFI_STATUS EFIAPI vdisk_block_io_read
(
IN EFI_BLOCK_IO_PROTOCOL *This,
IN UINT32 MediaId,
IN EFI_LBA Lba,
IN UINTN BufferSize,
OUT VOID *Buffer
);
extern UINT8 *g_disk_buf_addr;
extern UINT64 g_disk_buf_size;
extern vdisk_block_data gVDiskBlockData;
EFI_STATUS EFIAPI vdisk_install_blockio(IN EFI_HANDLE ImageHandle, IN UINT64 ImgSize);
int vdisk_get_vdisk_raw(UINT8 **buf, UINT32 *size);
#endif

82
EDK2/edk2_mod/edk2-edk2-stable201911/MdeModulePkg/Application/VDiskChain/VDiskChain.inf Normal file
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#************************************************************************************
# Copyright (c) 2020, longpanda <admin@ventoy.net>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 3 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, see <http://www.gnu.org/licenses/>.
#
#************************************************************************************
[Defines]
INF_VERSION = 0x00010005
BASE_NAME = VDiskChain
FILE_GUID = 5bce96e3-ba11-4440-833b-299cf5849193
MODULE_TYPE = UEFI_APPLICATION
VERSION_STRING = 1.0
ENTRY_POINT = VDiskChainEfiMain
[Sources]
VDiskChain.h
VDiskChain.c
VDiskRawData.c
VDiskChainProtocol.c
[Packages]
MdePkg/MdePkg.dec
MdeModulePkg/MdeModulePkg.dec
ShellPkg/ShellPkg.dec
[LibraryClasses]
UefiApplicationEntryPoint
UefiLib
DebugLib
UefiDecompressLib
[Guids]
gShellVariableGuid
gEfiVirtualCdGuid
gEfiFileInfoGuid
[Protocols]
gEfiLoadedImageProtocolGuid
gEfiBlockIoProtocolGuid
gEfiDevicePathProtocolGuid
gEfiSimpleFileSystemProtocolGuid
gEfiRamDiskProtocolGuid
gEfiAbsolutePointerProtocolGuid
gEfiAcpiTableProtocolGuid
gEfiBlockIo2ProtocolGuid
gEfiBusSpecificDriverOverrideProtocolGuid
gEfiComponentNameProtocolGuid
gEfiComponentName2ProtocolGuid
gEfiDriverBindingProtocolGuid
gEfiDiskIoProtocolGuid
gEfiDiskIo2ProtocolGuid
gEfiGraphicsOutputProtocolGuid
gEfiHiiConfigAccessProtocolGuid
gEfiHiiFontProtocolGuid
gEfiLoadFileProtocolGuid
gEfiLoadFile2ProtocolGuid
gEfiLoadedImageProtocolGuid
gEfiLoadedImageDevicePathProtocolGuid
gEfiPciIoProtocolGuid
gEfiSerialIoProtocolGuid
gEfiSimpleTextInProtocolGuid
gEfiSimpleTextInputExProtocolGuid
gEfiSimpleTextOutProtocolGuid

264
EDK2/edk2_mod/edk2-edk2-stable201911/MdeModulePkg/Application/VDiskChain/VDiskChainProtocol.c Normal file
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/******************************************************************************
* VDiskChainProtocol.c
*
* Copyright (c) 2021, longpanda <admin@ventoy.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*
*/
#include <Uefi.h>
#include <Library/DebugLib.h>
#include <Library/PrintLib.h>
#include <Library/UefiLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/DevicePathLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiRuntimeServicesTableLib.h>
#include <Library/UefiApplicationEntryPoint.h>
#include <Protocol/LoadedImage.h>
#include <Guid/FileInfo.h>
#include <Guid/FileSystemInfo.h>
#include <Protocol/BlockIo.h>
#include <Protocol/RamDisk.h>
#include <Protocol/SimpleFileSystem.h>
#include <VDiskChain.h>
/* EFI block device vendor device path GUID */
EFI_GUID gVDiskBlockDevicePathGuid = VDISK_BLOCK_DEVICE_PATH_GUID;
EFI_STATUS EFIAPI vdisk_block_io_reset
(
IN EFI_BLOCK_IO_PROTOCOL *This,
IN BOOLEAN ExtendedVerification
)
{
(VOID)This;
(VOID)ExtendedVerification;
return EFI_SUCCESS;
}
EFI_STATUS EFIAPI vdisk_block_io_flush(IN EFI_BLOCK_IO_PROTOCOL *This)
{
(VOID)This;
return EFI_SUCCESS;
}
EFI_STATUS EFIAPI vdisk_block_io_read
(
IN EFI_BLOCK_IO_PROTOCOL *This,
IN UINT32 MediaId,
IN EFI_LBA Lba,
IN UINTN BufferSize,
OUT VOID *Buffer
)
{
(VOID)This;
(VOID)MediaId;
debug("vdisk_block_io_read %lu %lu\n", Lba, BufferSize / 512);
CopyMem(Buffer, g_disk_buf_addr + (Lba * 512), BufferSize);
return EFI_SUCCESS;
}
EFI_STATUS EFIAPI vdisk_block_io_write
(
IN EFI_BLOCK_IO_PROTOCOL *This,
IN UINT32 MediaId,
IN EFI_LBA Lba,
IN UINTN BufferSize,
IN VOID *Buffer
)
{
(VOID)This;
(VOID)MediaId;
(VOID)Buffer;
debug("vdisk_block_io_read %lu %lu\n", Lba, BufferSize / 512);
return EFI_WRITE_PROTECTED;
}
EFI_STATUS EFIAPI vdisk_fill_device_path(VOID)
{
UINTN NameLen = 0;
UINT8 TmpBuf[128] = {0};
VENDOR_DEVICE_PATH *venPath = NULL;
venPath = (VENDOR_DEVICE_PATH *)TmpBuf;
NameLen = StrSize(VDISK_BLOCK_DEVICE_PATH_NAME);
venPath->Header.Type = HARDWARE_DEVICE_PATH;
venPath->Header.SubType = HW_VENDOR_DP;
venPath->Header.Length[0] = sizeof(VENDOR_DEVICE_PATH) + NameLen;
venPath->Header.Length[1] = 0;
CopyMem(&venPath->Guid, &gVDiskBlockDevicePathGuid, sizeof(EFI_GUID));
CopyMem(venPath + 1, VDISK_BLOCK_DEVICE_PATH_NAME, NameLen);
gVDiskBlockData.Path = AppendDevicePathNode(NULL, (EFI_DEVICE_PATH_PROTOCOL *)TmpBuf);
gVDiskBlockData.DevicePathCompareLen = sizeof(VENDOR_DEVICE_PATH) + NameLen;
debug("gVDiskBlockData.Path=<%s>\n", ConvertDevicePathToText(gVDiskBlockData.Path, FALSE, FALSE));
return EFI_SUCCESS;
}
EFI_STATUS EFIAPI vdisk_connect_driver(IN EFI_HANDLE ControllerHandle, IN CONST CHAR16 *DrvName)
{
UINTN i = 0;
UINTN Count = 0;
CHAR16 *DriverName = NULL;
EFI_HANDLE *Handles = NULL;
EFI_HANDLE DrvHandles[2] = { NULL };
EFI_STATUS Status = EFI_SUCCESS;
EFI_COMPONENT_NAME_PROTOCOL *NameProtocol = NULL;
EFI_COMPONENT_NAME2_PROTOCOL *Name2Protocol = NULL;
debug("vdisk_connect_driver <%s>...", DrvName);
Status = gBS->LocateHandleBuffer(ByProtocol, &gEfiComponentName2ProtocolGuid,
NULL, &Count, &Handles);
if (EFI_ERROR(Status))
{
return Status;
}
for (i = 0; i < Count; i++)
{
Status = gBS->HandleProtocol(Handles[i], &gEfiComponentName2ProtocolGuid, (VOID **)&Name2Protocol);
if (EFI_ERROR(Status))
{
continue;
}
Status = Name2Protocol->GetDriverName(Name2Protocol, "en", &DriverName);
if (EFI_ERROR(Status) || NULL == DriverName)
{
continue;
}
if (StrStr(DriverName, DrvName))
{
debug("Find driver name2:<%s>: <%s>", DriverName, DrvName);
DrvHandles[0] = Handles[i];
break;
}
}
if (i < Count)
{
Status = gBS->ConnectController(ControllerHandle, DrvHandles, NULL, TRUE);
debug("vdisk_connect_driver:<%s> <%r>", DrvName, Status);
goto end;
}
debug("%s NOT found, now try COMPONENT_NAME", DrvName);
Count = 0;
FreePool(Handles);
Handles = NULL;
Status = gBS->LocateHandleBuffer(ByProtocol, &gEfiComponentNameProtocolGuid,
NULL, &Count, &Handles);
if (EFI_ERROR(Status))
{
return Status;
}
for (i = 0; i < Count; i++)
{
Status = gBS->HandleProtocol(Handles[i], &gEfiComponentNameProtocolGuid, (VOID **)&NameProtocol);
if (EFI_ERROR(Status))
{
continue;
}
Status = NameProtocol->GetDriverName(NameProtocol, "en", &DriverName);
if (EFI_ERROR(Status))
{
continue;
}
if (StrStr(DriverName, DrvName))
{
debug("Find driver name:<%s>: <%s>", DriverName, DrvName);
DrvHandles[0] = Handles[i];
break;
}
}
if (i < Count)
{
Status = gBS->ConnectController(ControllerHandle, DrvHandles, NULL, TRUE);
debug("vdisk_connect_driver:<%s> <%r>", DrvName, Status);
goto end;
}
Status = EFI_NOT_FOUND;
end:
FreePool(Handles);
return Status;
}
EFI_STATUS EFIAPI vdisk_install_blockio(IN EFI_HANDLE ImageHandle, IN UINT64 ImgSize)
{
EFI_STATUS Status = EFI_SUCCESS;
EFI_BLOCK_IO_PROTOCOL *pBlockIo = &(gVDiskBlockData.BlockIo);
vdisk_fill_device_path();
debug("install block io protocol %p", ImageHandle);
vdisk_debug_pause();
gVDiskBlockData.Media.BlockSize = 512;
gVDiskBlockData.Media.LastBlock = ImgSize / 512 - 1;
gVDiskBlockData.Media.ReadOnly = TRUE;
gVDiskBlockData.Media.MediaPresent = 1;
gVDiskBlockData.Media.LogicalBlocksPerPhysicalBlock = 1;
pBlockIo->Revision = EFI_BLOCK_IO_PROTOCOL_REVISION3;
pBlockIo->Media = &(gVDiskBlockData.Media);
pBlockIo->Reset = vdisk_block_io_reset;
pBlockIo->ReadBlocks = vdisk_block_io_read;
pBlockIo->WriteBlocks = vdisk_block_io_write;
pBlockIo->FlushBlocks = vdisk_block_io_flush;
Status = gBS->InstallMultipleProtocolInterfaces(&gVDiskBlockData.Handle,
&gEfiBlockIoProtocolGuid, &gVDiskBlockData.BlockIo,
&gEfiDevicePathProtocolGuid, gVDiskBlockData.Path,
NULL);
debug("Install protocol %r %p", Status, gVDiskBlockData.Handle);
if (EFI_ERROR(Status))
{
return Status;
}
Status = vdisk_connect_driver(gVDiskBlockData.Handle, L"Disk I/O Driver");
debug("Connect disk IO driver %r", Status);
Status = vdisk_connect_driver(gVDiskBlockData.Handle, L"Partition Driver");
debug("Connect partition driver %r", Status);
if (EFI_ERROR(Status))
{
Status = gBS->ConnectController(gVDiskBlockData.Handle, NULL, NULL, TRUE);
debug("Connect all controller %r", Status);
}
vdisk_debug_pause();
return EFI_SUCCESS;
}

1
EDK2/edk2_mod/edk2-edk2-stable201911/MdeModulePkg/Application/VDiskChain/VDiskRawData.c Normal file
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@ -0,0 +1 @@
123

1
EDK2/edk2_mod/edk2-edk2-stable201911/MdeModulePkg/MdeModulePkg.dsc
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@ -205,6 +205,7 @@
[Components]
MdeModulePkg/Application/Ventoy/Ventoy.inf
MdeModulePkg/Application/VtoyUtil/VtoyUtil.inf
MdeModulePkg/Application/VDiskChain/VDiskChain.inf
MdeModulePkg/Application/HelloWorld/HelloWorld.inf
MdeModulePkg/Application/DumpDynPcd/DumpDynPcd.inf
MdeModulePkg/Application/MemoryProfileInfo/MemoryProfileInfo.inf