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Re: [Qemu-devel] OVMF, Q35 and USB keyboard/mouse
From: |
Laszlo Ersek |
Subject: |
Re: [Qemu-devel] OVMF, Q35 and USB keyboard/mouse |
Date: |
Sat, 13 Sep 2014 07:06:05 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.1.1 |
On 09/12/14 21:59, Gabriel L. Somlo wrote:
> On Fri, Sep 12, 2014 at 08:26:01PM +0200, Paolo Bonzini wrote:
>> So it could be an OVMF bug related to multifunction devices.
>>
>> Well, you could try moving devices around in different functions.
>> You could try moving ehci1 to 0 and the UHCIs to 1/2/7.
>>
>> Or drop uhci2/uhci3 and move the two remaining devices around. Once you
>> have three combinations that work (e.g. 0/4, 0/6, 0/7) you could use it
>> to add three UHCI controllers (in the above examples, it would be 0/1/2/7).
>>
>> Remember that one of the two must be xx.0, the other can be anything
>> from xx.1 to xx.7.
>
> I moved things around as you suggested (from hw/usb/hcd-ehci-pci.c and
> the ich9_1d[] array).
>
> No matter which PCI function gets assigned to which device, and no
> matter which order the uhci1/2/3 devices are listed in ich9_1d[],
> it's *always* uhci3 (dev.id. 2936) and ehci being shown, and uhci1&2
> end up missing.
>
> System Information looks like this (high-speed kbd/mouse patch is
> applied, so I'm looking for whether uhci2/3 show up in the list or
> not, but wanted to always have mouse and keyboard available on ehci):
>
> USB Device Tree:
>
> --->USB Bus<---
> v USB Hi-Speed Bus
> QEMU USB Keyboard
> QEMU USB Mouse
>
>
> USB Bus:
>
> Host Controller Location: Expansion Slot
> Host Controller Driver: AppleUSBUHCI
> PCI Device ID: 0x2936
> PCI Revision ID: 0x0003
> PCI Vendor ID: 0x8086
> Bus Number: 0x5d
>
> The bus number varies (depending on which function I hard-coded for
> uhci3, e.g. 3d when I had it at 00:1d.1, 5d for the default 00:1d.2,
> etc.) but it's always uhci3...
>
>
> Interestingly, if I comment out uhci3, it's only ehci that shows up,
> not uhci1 or uhci2 (even though one of them is 00:1d.0).
>
>
> Feels like there's some thing "magical" about the uhci3 name or device
> ID. Maybe at this point I should go fishing in the edk2 source :)
Right, a bit earlier I thought of devids being special maybe and grepped
edk2 for "2936" -- no luck. There are hits but they all seem unrelated.
Laszlo
- Re: [Qemu-devel] OVMF, Q35 and USB keyboard/mouse, (continued)
- Re: [Qemu-devel] OVMF, Q35 and USB keyboard/mouse, Gabriel L. Somlo, 2014/09/11
- Re: [Qemu-devel] OVMF, Q35 and USB keyboard/mouse, Laszlo Ersek, 2014/09/11
- Re: [Qemu-devel] OVMF, Q35 and USB keyboard/mouse, Alexander Graf, 2014/09/11
- Re: [Qemu-devel] OVMF, Q35 and USB keyboard/mouse, Gabriel L. Somlo, 2014/09/11
- Re: [Qemu-devel] OVMF, Q35 and USB keyboard/mouse, BALATON Zoltan, 2014/09/12
- Re: [Qemu-devel] OVMF, Q35 and USB keyboard/mouse, Gabriel L. Somlo, 2014/09/12
- Re: [Qemu-devel] OVMF, Q35 and USB keyboard/mouse, Gerd Hoffmann, 2014/09/12
- Re: [Qemu-devel] OVMF, Q35 and USB keyboard/mouse, Gabriel L. Somlo, 2014/09/12
- Re: [Qemu-devel] OVMF, Q35 and USB keyboard/mouse, Paolo Bonzini, 2014/09/12
- Re: [Qemu-devel] OVMF, Q35 and USB keyboard/mouse, Gabriel L. Somlo, 2014/09/12
- Re: [Qemu-devel] OVMF, Q35 and USB keyboard/mouse,
Laszlo Ersek <=
- Re: [Qemu-devel] OVMF, Q35 and USB keyboard/mouse, Gabriel L. Somlo, 2014/09/15
- Re: [Qemu-devel] OVMF, Q35 and USB keyboard/mouse, Laszlo Ersek, 2014/09/15
- Re: [Qemu-devel] OVMF, Q35 and USB keyboard/mouse, Gabriel L. Somlo, 2014/09/15
- Re: [Qemu-devel] OVMF, Q35 and USB keyboard/mouse, Laszlo Ersek, 2014/09/15
- Re: [Qemu-devel] OVMF, Q35 and USB keyboard/mouse, Gabriel L. Somlo, 2014/09/15
- Re: [Qemu-devel] OVMF, Q35 and USB keyboard/mouse, BALATON Zoltan, 2014/09/15
- Re: [Qemu-devel] OVMF, Q35 and USB keyboard/mouse, Gerd Hoffmann, 2014/09/16
- Re: [Qemu-devel] OVMF, Q35 and USB keyboard/mouse, Gabriel L. Somlo, 2014/09/21
- Re: [Qemu-devel] OVMF, Q35 and USB keyboard/mouse, Gabriel L. Somlo, 2014/09/21
- Re: [Qemu-devel] OVMF, Q35 and USB keyboard/mouse, Laszlo Ersek, 2014/09/21