Re: [Qemu-devel] [RFC v3 05/10] vfio: Add initial IRQ support in platform device

2014-06-26 Thread Eric Auger
On 06/25/2014 11:40 PM, Alex Williamson wrote: > On Wed, 2014-06-25 at 23:28 +0200, Alexander Graf wrote: >> On 02.06.14 09:49, Eric Auger wrote: >>> This patch brings a first support for device IRQ assignment to a >>> KVM guest. Code is inspired of PCI INTx code. >>> >>> General principle of IRQ h

Re: [Qemu-devel] [RFC v3 05/10] vfio: Add initial IRQ support in platform device

2014-06-25 Thread Alex Williamson
On Wed, 2014-06-25 at 23:28 +0200, Alexander Graf wrote: > On 02.06.14 09:49, Eric Auger wrote: > > This patch brings a first support for device IRQ assignment to a > > KVM guest. Code is inspired of PCI INTx code. > > > > General principle of IRQ handling: > > > > when a physical IRQ occurs, VFIO

Re: [Qemu-devel] [RFC v3 05/10] vfio: Add initial IRQ support in platform device

2014-06-25 Thread Alexander Graf
On 02.06.14 09:49, Eric Auger wrote: This patch brings a first support for device IRQ assignment to a KVM guest. Code is inspired of PCI INTx code. General principle of IRQ handling: when a physical IRQ occurs, VFIO driver signals an eventfd that was registered by the QEMU VFIO platform device

[Qemu-devel] [RFC v3 05/10] vfio: Add initial IRQ support in platform device

2014-06-02 Thread Eric Auger
This patch brings a first support for device IRQ assignment to a KVM guest. Code is inspired of PCI INTx code. General principle of IRQ handling: when a physical IRQ occurs, VFIO driver signals an eventfd that was registered by the QEMU VFIO platform device. The eventfd handler (vfio_intp_interru