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Removed connect/disconnect in device command and replace with simple BlockIo readblocks to probe for media change. This relies on ReinstallProtocolInterface() calls in the BlockIo drivers to make the filesystems reload. 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10468 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
andrewfish 2010-05-08 19:26:45 +00:00
parent 4da3058929
commit 6191913fb4
1 changed files with 4 additions and 10 deletions
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14
EmbeddedPkg/Ebl/EfiDevice.c
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@ -227,16 +227,10 @@ EblDeviceCmd (
File = EfiDeviceOpenByType (EfiOpenBlockIo, Index); File = EfiDeviceOpenByType (EfiOpenBlockIo, Index);
if (File != NULL) { if (File != NULL) {
if (File->FsBlockIoMedia->RemovableMedia) { if (File->FsBlockIoMedia->RemovableMedia) {
if (File->FsBlockIoMedia->MediaPresent) { // Probe to see if media is present (or not) or media changed
// Probe to see if media is present // this causes the ReinstallProtocolInterface() to fire in the
Status = File->FsBlockIo->ReadBlocks (File->FsBlockIo, File->FsBlockIo->Media->MediaId, (EFI_LBA)0, 0, NULL); // block io driver to update the system about media change events
if (Status == EFI_NO_MEDIA) { File->FsBlockIo->ReadBlocks (File->FsBlockIo, File->FsBlockIo->Media->MediaId, (EFI_LBA)0, 0, NULL);
gBS->DisconnectController (File->EfiHandle, NULL, NULL);
}
} else {
// Probe for media insertion and connect partition and filesystem drivers if needed
gBS->ConnectController (File->EfiHandle, NULL, NULL, TRUE);
}
} }
EfiClose (File); EfiClose (File);
} }