162 lines
4.1 KiB
C
162 lines
4.1 KiB
C
/*++
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Copyright (c) 1998 Intel Corporation
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Module Name:
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vol.c
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Abstract:
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Shell app "vol"
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Revision History
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--*/
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#include "shell.h"
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EFI_STATUS
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InitializeVol (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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);
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EFI_DRIVER_ENTRY_POINT(InitializeVol)
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EFI_STATUS
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InitializeVol (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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)
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{
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CHAR16 *VolumeLabel = NULL;
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EFI_STATUS Status;
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EFI_DEVICE_PATH *DevicePath;
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EFI_FILE_IO_INTERFACE *Vol;
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EFI_FILE_HANDLE RootFs;
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EFI_FILE_SYSTEM_INFO *VolumeInfo;
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UINTN Size;
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CHAR16 *CurDir;
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UINTN i;
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/*
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* Check to see if the app is to install as a "internal command"
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* to the shell
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*/
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InstallInternalShellCommand (
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ImageHandle, SystemTable, InitializeVol,
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L"vol", /* command */
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L"vol fs [Volume Label]", /* command syntax */
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L"Set or display volume label", /* 1 line descriptor */
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NULL /* command help page */
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);
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/*
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* We are no being installed as an internal command driver, initialize
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* as an nshell app and run
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*/
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InitializeShellApplication (ImageHandle, SystemTable);
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/*
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*
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*/
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if ( SI->Argc < 1 || SI->Argc > 3 ) {
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Print(L"vol [fs] [volume label]\n");
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BS->Exit(ImageHandle,EFI_SUCCESS,0,NULL);
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}
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DevicePath = NULL;
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if (SI->Argc == 1) {
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CurDir = ShellCurDir(NULL);
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if (CurDir) {
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for (i=0; i < StrLen(CurDir) && CurDir[i] != ':'; i++);
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CurDir[i] = 0;
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DevicePath = (EFI_DEVICE_PATH *)ShellGetMap (CurDir);
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}
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} else {
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DevicePath = (EFI_DEVICE_PATH *)ShellGetMap (SI->Argv[1]);
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}
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if (DevicePath == NULL) {
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Print (L"%s is not a mapped short name\n", SI->Argv[1]);
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return EFI_INVALID_PARAMETER;
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}
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Status = LibDevicePathToInterface (&FileSystemProtocol, DevicePath, (VOID **)&Vol);
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if (EFI_ERROR(Status)) {
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Print (L"%s is not a file system\n",SI->Argv[1]);
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return Status;
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}
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if ( SI->Argc == 3 ) {
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VolumeLabel = SI->Argv[2];
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if (StrLen(VolumeLabel) > 11) {
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Print(L"Volume label %s is longer than 11 characters\n",VolumeLabel);
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return EFI_INVALID_PARAMETER;
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}
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}
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Status = Vol->OpenVolume (Vol, &RootFs);
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if (EFI_ERROR(Status)) {
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Print(L"Can not open the volume %s\n",SI->Argv[1]);
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return Status;
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}
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/*
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*
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*/
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Size = SIZE_OF_EFI_FILE_SYSTEM_INFO + 100;
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VolumeInfo = (EFI_FILE_SYSTEM_INFO *)AllocatePool(Size);
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Status = RootFs->GetInfo(RootFs,&FileSystemInfo,&Size,VolumeInfo);
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if (EFI_ERROR(Status)) {
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Print(L"Can not get a volume information for %s\n",SI->Argv[1]);
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return Status;
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}
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if (VolumeLabel) {
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StrCpy (VolumeInfo->VolumeLabel, VolumeLabel);
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Size = SIZE_OF_EFI_FILE_SYSTEM_INFO + StrSize(VolumeLabel);
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Status = RootFs->SetInfo(RootFs,&FileSystemInfo,Size,VolumeInfo);
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if (EFI_ERROR(Status)) {
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Print(L"Can not set volume information for %s\n",SI->Argv[1]);
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return Status;
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}
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Status = RootFs->GetInfo(RootFs,&FileSystemInfo,&Size,VolumeInfo);
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if (EFI_ERROR(Status)) {
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Print(L"Can not verify a volume information for %s\n",SI->Argv[1]);
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return Status;
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}
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}
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if (StrLen(VolumeInfo->VolumeLabel) == 0) {
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Print(L"Volume has no label",VolumeInfo->VolumeLabel);
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} else {
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Print(L"Volume %s",VolumeInfo->VolumeLabel);
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}
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if (VolumeInfo->ReadOnly) {
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Print(L" (ro)\n");
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} else {
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Print(L" (rw)\n");
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}
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Print(L" %13,d bytes total disk space\n",VolumeInfo->VolumeSize);
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Print(L" %13,d bytes available on disk\n",VolumeInfo->FreeSpace);
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Print(L" %13,d bytes in each allocation unit\n",VolumeInfo->BlockSize);
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RootFs->Close(RootFs);
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return EFI_SUCCESS;
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}
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