Re: [Qemu-devel] MSI broken?

[Gerd Hoffmann <kraxel@redhat.com>]

On 11/03/10 13:34, Isaku Yamahata wrote:
> On Wed, Nov 03, 2010 at 12:03:15PM +0100, Gerd Hoffmann wrote:
>>   Hi,
>>
>> What is the status if the recently merged MSI support?
>>
>> I'm trying to use it to add msi support to the intel-hda driver (current
>> wip patch attached).  Everything works fine up to the point where it
>> comes to delivering the interrupt to the guest.  msi_notify pretends to
>> signal the guest:
>>
>> msi_notify:243 intel-hda:30 notify vector 0x0 address: 0xfee01008 data:
>> 0x4151
>>
>> The guest never ever receives this interrupt though:
>>
>> [root@localhost ~]# grep hda /proc/interrupts
>>   43:          0   PCI-MSI-edge      hda_intel
>>
>> Ideas anyone?
>
> Let's track it down futher.
> Were acpi_mem_writel() and apic_send_msi() in hw/apic.c called or not?

No such function in my tree (savannah/master).

Looks like some bits needed for msi are not merged yet?

cheers,
   Gerd