Hi, Am 27.08.2012 08:28, schrieb Jan Kiszka: > From: Jan Kiszka <jan.kiszka@xxxxxxxxxxx> > > This adds PCI device assignment for i386 targets using the classic KVM > interfaces. This version is 100% identical to what is being maintained > in qemu-kvm for several years and is supported by libvirt as well. It is > expected to remain relevant for another couple of years until kernels > without full-features and performance-wise equivalent VFIO support are > obsolete. > > A refactoring to-do that should be done in-tree is to model MSI and > MSI-X support via the generic PCI layer, similar to what VFIO is already > doing for MSI-X. This should improve the correctness and clean up the > code from duplicate logic. > > Signed-off-by: Jan Kiszka <jan.kiszka@xxxxxxxxxxx> > --- > hw/kvm/Makefile.objs | 2 +- > hw/kvm/pci-assign.c | 1929 ++++++++++++++++++++++++++++++++++++++++++++++++++ > 2 files changed, 1930 insertions(+), 1 deletions(-) > create mode 100644 hw/kvm/pci-assign.c [...] > diff --git a/hw/kvm/pci-assign.c b/hw/kvm/pci-assign.c > new file mode 100644 > index 0000000..9cce02c > --- /dev/null > +++ b/hw/kvm/pci-assign.c > @@ -0,0 +1,1929 @@ > +/* > + * Copyright (c) 2007, Neocleus Corporation. > + * > + * This program is free software; you can redistribute it and/or modify it > + * under the terms and conditions of the GNU General Public License, > + * version 2, as published by the Free Software Foundation. The downside of accepting this into qemu.git is that it gets us a huge blob of GPLv2-only code without history of contributors for GPLv2+ relicensing... > + * > + * This program is distributed in the hope 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, write to the Free Software Foundation, Inc., 59 Temple > + * Place - Suite 330, Boston, MA 02111-1307 USA. (Expect the usual GNU address reminder here.) > + * > + * > + * Assign a PCI device from the host to a guest VM. > + * > + * Adapted for KVM by Qumranet. > + * > + * Copyright (c) 2007, Neocleus, Alex Novik (alex@xxxxxxxxxxxx) > + * Copyright (c) 2007, Neocleus, Guy Zana (guy@xxxxxxxxxxxx) > + * Copyright (C) 2008, Qumranet, Amit Shah (amit.shah@xxxxxxxxxxxx) > + * Copyright (C) 2008, Red Hat, Amit Shah (amit.shah@xxxxxxxxxx) > + * Copyright (C) 2008, IBM, Muli Ben-Yehuda (muli@xxxxxxxxxx) > + */ > +#include <stdio.h> > +#include <unistd.h> > +#include <sys/io.h> > +#include <sys/mman.h> > +#include <sys/types.h> > +#include <sys/stat.h> > +#include "hw/hw.h" > +#include "hw/pc.h" > +#include "qemu-error.h" > +#include "console.h" > +#include "hw/loader.h" > +#include "monitor.h" > +#include "range.h" > +#include "sysemu.h" > +#include "hw/pci.h" > +#include "hw/msi.h" > +#include "kvm_i386.h" Am I correct to understand we compile this only for i386 / x86_64? (apic.o in kvm/Makefile.objs hints in that direction) You may want to update the description in the comment above accordingly, also mentioning that this is some deprecated backwards-compatibility thing. Regards, Andreas -- SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer; HRB 16746 AG Nürnberg -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
