On Thu, Jan 14, 2010 at 05:34:42PM +0200, Avi Kivity wrote: > On 01/14/2010 05:26 PM, Ryan C. Underwood wrote: >> On Thu, Jan 14, 2010 at 03:59:53PM +0200, Avi Kivity wrote: >> >>> > >>>> > >Also, just for further complication, the Ricoh chip does not support >>>> > >MSI and shares an IRQ on the system board with the USB host controller. >>>> > >I have rebound the USB host controller to pci-stub, but I'm not sure if >>>> > >that totally takes care of the IRQ-sharing-without-MSI issue. >>>> >>> > > Can you post lspci -vv output for that card? If it is pci 2.3 >>> > compliant we might be able to handle the sharing. >>> >> It claims to be PCI 3.0 compliant. But I don't see any mention MSI >> anywhere in the specification: >> http://www.aeneas.com.cn/PDF/Ricoh/2005/R5C832E1%5B1%5D.00.pdf >> >> Attached is lspci -vv, thanks. >> >> >> >> 08:09.0 FireWire (IEEE 1394): Ricoh Co Ltd R5C832 IEEE 1394 Controller (rev >> 05) (prog-if 10) >> Subsystem: Hewlett-Packard Company Device 30cd >> Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- >> Stepping- SERR- FastB2B- DisINTx- >> Status: Cap+ 66MHz- UDF- FastB2B- ParErr- >> DEVSEL=medium>TAbort-<TAbort-<MAbort->SERR-<PERR- INTx- >> Latency: 64 (500ns min, 1000ns max) >> Interrupt: pin A routed to IRQ 16 >> Region 0: [virtual] Memory at f4400000 (32-bit, non-prefetchable) >> [size=2K] >> Capabilities:<access denied> >> Kernel driver in use: pci-stub >> Kernel modules: firewire-ohci, ohci1394 >> >> > > Michael, I think 'DisINTx-' means the device is not PCI 2.3 compliant?
No it doesn't, just that interrupt disable bit is not set. >> 08:09.4 System peripheral: Ricoh Co Ltd xD-Picture Card Controller (rev 12) >> Subsystem: Hewlett-Packard Company Device 30cd >> Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr+ >> Stepping- SERR+ FastB2B- DisINTx+ >> Status: Cap+ 66MHz- UDF- FastB2B- ParErr- >> DEVSEL=medium>TAbort-<TAbort-<MAbort->SERR-<PERR- INTx- >> Latency: 248, Cache Line Size: 1020 bytes >> Interrupt: pin B routed to IRQ 10 >> Region 0: Memory at f4401400 (32-bit, non-prefetchable) [size=256] >> Capabilities:<access denied> >> Kernel driver in use: pci-stub >> > > But another function has this feature? Another function has this bit set. > -- > error compiling committee.c: too many arguments to function -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
