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Re: [Qemu-devel] [qemu-devel][RFC] Enable usb with default options
From: |
Benjamin Herrenschmidt |
Subject: |
Re: [Qemu-devel] [qemu-devel][RFC] Enable usb with default options |
Date: |
Wed, 06 Jun 2012 13:31:55 +1000 |
On Wed, 2012-06-06 at 10:52 +0800, li zhang wrote:
> Hi Anthony,
>
>
> Any comment on this?
Allright, this is all quite confusing...
He's what I think should happen:
When no option is passed -at-all-, we should have vga std and usb ohci +
usb mouse + usb ps2.
When -nodefault is passed, we should have none of the above.
-vga should only affect vga (a shortcut for -device
pick_your_vga_poison)
-usb should be essentially useless by default unless -nodefault is
passed in which case it is necessary to enable usb support, and -device
(or equivalent) to manually add the keyboard and mouse (libvirt).
That's the best I can think of ... however it might be a bit tricky
seeing how qemu does things in vl.c at the moment, we might want to
introduce a default_usb variable which is used to set usb_enabled.
BTW. The mac models should essentially behave the same, at least the
64-bit one (32-bit supports CUDA for keyboard/mouse so USB isn't
strictly necessary).
Cheers,
Ben.
>
> Thanks.
>
> On Tue, Jun 5, 2012 at 5:48 PM, li zhang <address@hidden> wrote:
> Hi all,
>
> For pseries, when creating VMs with "-vga std",
> it requires usb mouse and usb kbd devices to be added.
>
> But with default options, vga is enabled and usb is disabled.
> User may use default options as the following commands:
>
> $qemu -M pseries
>
> If vga is enabled, usb mouse and usb kbd is disabled,
> the mouse and kbd can't be used. So it's very hard for
> users to use.
>
> I think it's necessary to enable usb with default options.
>
> Any idea about that?
> Your comments are very appreciated. :)
>
> Thanks.
> -Li
>
>
>
>
> --
>
>
> Best Regards
> -Li
>
>
- [Qemu-devel] [qemu-devel][RFC] Enable usb with default options, Li Zhang, 2012/06/05
- [Qemu-devel] [qemu-devel][RFC] Enable usb with default options, li zhang, 2012/06/05
- Re: [Qemu-devel] [qemu-devel][RFC] Enable usb with default options, li zhang, 2012/06/05
- Re: [Qemu-devel] [qemu-devel][RFC] Enable usb with default options,
Benjamin Herrenschmidt <=
- Re: [Qemu-devel] [qemu-devel][RFC] Enable usb with default options, Anthony Liguori, 2012/06/06
- Re: [Qemu-devel] [qemu-devel][RFC] Enable usb with default options, li zhang, 2012/06/06
- Re: [Qemu-devel] [qemu-devel][RFC] Enable usb with default options, Benjamin Herrenschmidt, 2012/06/06
- Re: [Qemu-devel] [qemu-devel][RFC] Enable usb with default options, Anthony Liguori, 2012/06/06
- Re: [Qemu-devel] [qemu-devel][RFC] Enable usb with default options, Benjamin Herrenschmidt, 2012/06/06
- Re: [Qemu-devel] [qemu-devel][RFC] Enable usb with default options, Anthony Liguori, 2012/06/06
- Re: [Qemu-devel] [qemu-devel][RFC] Enable usb with default options, li zhang, 2012/06/07
- Re: [Qemu-devel] [qemu-devel][RFC] Enable usb with default options, li zhang, 2012/06/07
- Re: [Qemu-devel] [qemu-devel][RFC] Enable usb with default options, Anthony Liguori, 2012/06/07
- Re: [Qemu-devel] [qemu-devel][RFC] Enable usb with default options, li zhang, 2012/06/07