Re: [Qemu-devel] [PATCH 1/4] apic: add deliver_msi to APICCommonClass

2016-05-13 Thread Eduardo Habkost
On Fri, May 06, 2016 at 10:53:45PM +0200, Radim Krčmář wrote: > The only way to send interrupts from outside of APIC devices is to use > the MSI-inspired memory mapped interface. The interface is not > sufficient because interrupt remapping in extended mode can exceed 8 bit > destination ids. > >

Re: [Qemu-devel] [PATCH 1/4] apic: add deliver_msi to APICCommonClass

2016-05-07 Thread Jan Kiszka
On 2016-05-06 22:53, Radim Krčmář wrote: > The only way to send interrupts from outside of APIC devices is to use > the MSI-inspired memory mapped interface. The interface is not > sufficient because interrupt remapping in extended mode can exceed 8 bit > destination ids. > > The proper way to de

[Qemu-devel] [PATCH 1/4] apic: add deliver_msi to APICCommonClass

2016-05-06 Thread Radim Krčmář
The only way to send interrupts from outside of APIC devices is to use the MSI-inspired memory mapped interface. The interface is not sufficient because interrupt remapping in extended mode can exceed 8 bit destination ids. The proper way to deliver interrupts would be to design a bus (QPI), but