* On Wednesday 17 Sep 2008 11:24:52 Zhang, Xiantao wrote:
> Amit Shah wrote:
> > [This still doesn't include some fixes to review comments.
> > I'm posting this just so that people can use this to test
> > or base their work off the latest patch.]
> >
> > From: Or Sagi <[EMAIL PROTECTED]>
> > From: Nir Peleg <[EMAIL PROTECTED]>
> > From: Amit Shah <[EMAIL PROTECTED]>
> > From: Ben-Ami Yassour <[EMAIL PROTECTED]>
> > From: Glauber de Oliveira Costa <[EMAIL PROTECTED]>
> >
> > With this patch, we can assign a device on the host machine to a
> > guest.
> >
> > A new command-line option, -pcidevice is added.
> > For example, to invoke it for a device sitting at PCI bus:dev.fn
> > 04:08.0 with host IRQ 18, use this:
> >
> > -pcidevice host=04:08.0
> >
> > The host driver for the device, if any, is to be removed before
> > assigning the device.
> >
> > This works only with the in-kernel irqchip method; to use the
> > userspace irqchip, a kernel module (irqhook) and some extra changes
> > are needed.
> >
> > Signed-off-by: Amit Shah <[EMAIL PROTECTED]>
> > ---
> > libkvm/libkvm-x86.c | 14 ++++++++++++++
> > libkvm/libkvm.h | 27 +++++++++++++++++++++++++++
> > qemu/Makefile.target | 1 +
> > qemu/hw/isa.h | 2 ++
> > qemu/hw/pc.c | 9 +++++++++
> > qemu/hw/pci.c | 12 ++++++++++++
> > qemu/hw/pci.h | 1 +
> > qemu/hw/piix_pci.c | 19 +++++++++++++++++++
> > qemu/qemu-kvm-x86.c | 3 +++
> > qemu/vl.c | 18 ++++++++++++++++++
> > 10 files changed, 106 insertions(+), 0 deletions(-)
> >
> > diff --git a/libkvm/libkvm-x86.c b/libkvm/libkvm-x86.c
> > index a8cca15..6157f75 100644
> > --- a/libkvm/libkvm-x86.c
> > +++ b/libkvm/libkvm-x86.c
> > @@ -53,6 +53,20 @@ static int kvm_init_tss(kvm_context_t kvm)
> > return 0;
> > }
> >
> > +#ifdef KVM_CAP_DEVICE_ASSIGNMENT
> > +int kvm_assign_pci_device(kvm_context_t kvm,
> > + struct kvm_assigned_pci_dev *assigned_dev)
> > +{
> > + return ioctl(kvm->vm_fd, KVM_ASSIGN_PCI_DEVICE, assigned_dev);
> > +}
> > +
> > +int kvm_assign_irq(kvm_context_t kvm,
> > + struct kvm_assigned_irq *assigned_irq)
> > +{
> > + return ioctl(kvm->vm_fd, KVM_ASSIGN_IRQ, assigned_irq);
> > +}
> > +#endif
>
> Could you move this part to libkvm.c? it should be shared by all archs,
> I think.
Yes, I have noted this comment from you when you sent it previously as well;
sorry for not having replied then.
When are you planning on ia64 support?
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