Amit Shah wrote:
> * 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?
We are working on that now, and should get it supported in near future.
Xiantao
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