On 07.11.11 12:25, Gerd Hoffmann wrote:
Hi,
Agreed. If we can know the virtual device for KVM in a better way
(e.g. any specific PCI SSID or such), we can narrow the condition more
safely.
PCI Subsystem ID 1af4:1100 is qemu/kvm (not only Intel HDA, most other
emulated pci devices have it too). Complete entry:
00:04.0 0403: 8086:2668 (rev 01)
Subsystem: 1af4:1100
Physical Slot: 4
Flags: bus master, fast devsel, latency 0, IRQ 11
Memory at e2030000 (32-bit, non-prefetchable) [size=16K]
Kernel driver in use: HDA Intel
Kernel modules: snd-hda-intel
cheers,
Gerd
We discuss Intel ICH/AC'97 (snd-intel8x0) here, but I hope that PCI SSID is same.
From Parallels VM side we also have specific PCI SSID (1ab8:0400):
00:1f.4 Multimedia audio controller: Intel Corporation 82801BA/BAM AC'97 Audio Controller (rev 02)
Subsystem: Device 1ab8:0400
Flags: bus master, medium devsel, latency 0, IRQ 17
I/O ports at ee00 [size=256]
I/O ports at f000 [size=256]
Kernel driver in use: Intel ICH
Kernel modules: snd-intel8x0
Now we can make detection code more adequate. I will make patch today.
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