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Re: [Qemu-devel] [RFC PATCH v4 1/3] Mediated device Core driver
From: |
Alex Williamson |
Subject: |
Re: [Qemu-devel] [RFC PATCH v4 1/3] Mediated device Core driver |
Date: |
Mon, 6 Jun 2016 13:31:15 -0600 |
On Mon, 6 Jun 2016 10:44:25 -0700
Neo Jia <address@hidden> wrote:
> On Mon, Jun 06, 2016 at 04:29:11PM +0800, Dong Jia wrote:
> > On Sun, 5 Jun 2016 23:27:42 -0700
> > Neo Jia <address@hidden> wrote:
> >
> > 2. VFIO_DEVICE_CCW_CMD_REQUEST
> > This intends to handle an intercepted channel I/O instruction. It
> > basically need to do the following thing:
>
> May I ask how and when QEMU knows that he needs to issue such VFIO ioctl at
> first place?
Yep, this is my question as well. It sounds a bit like there's an
emulated device in QEMU that's trying to tell the mediated device when
to start an operation when we probably should be passing through
whatever i/o operations indicate that status directly to the mediated
device. Thanks,
Alex
- Re: [Qemu-devel] [RFC PATCH v4 1/3] Mediated device Core driver, Dong Jia, 2016/06/03
- Re: [Qemu-devel] [RFC PATCH v4 1/3] Mediated device Core driver, Tian, Kevin, 2016/06/03
- Re: [Qemu-devel] [RFC PATCH v4 1/3] Mediated device Core driver, Kirti Wankhede, 2016/06/06
- Re: [Qemu-devel] [RFC PATCH v4 1/3] Mediated device Core driver, Dong Jia, 2016/06/06
- Re: [Qemu-devel] [RFC PATCH v4 1/3] Mediated device Core driver, Neo Jia, 2016/06/06
- Re: [Qemu-devel] [RFC PATCH v4 1/3] Mediated device Core driver, Dong Jia, 2016/06/06
- Re: [Qemu-devel] [RFC PATCH v4 1/3] Mediated device Core driver, Neo Jia, 2016/06/06
- Re: [Qemu-devel] [RFC PATCH v4 1/3] Mediated device Core driver,
Alex Williamson <=
- Re: [Qemu-devel] [RFC PATCH v4 1/3] Mediated device Core driver, Tian, Kevin, 2016/06/06
- Re: [Qemu-devel] [RFC PATCH v4 1/3] Mediated device Core driver, Alex Williamson, 2016/06/07
- Re: [Qemu-devel] [RFC PATCH v4 1/3] Mediated device Core driver, Tian, Kevin, 2016/06/07
- Re: [Qemu-devel] [RFC PATCH v4 1/3] Mediated device Core driver, Alex Williamson, 2016/06/07
- Re: [Qemu-devel] [RFC PATCH v4 1/3] Mediated device Core driver, Dong Jia, 2016/06/07
- Re: [Qemu-devel] [RFC PATCH v4 1/3] Mediated device Core driver, Neo Jia, 2016/06/07
- Re: [Qemu-devel] [RFC PATCH v4 1/3] Mediated device Core driver, Dong Jia, 2016/06/08
- Re: [Qemu-devel] [RFC PATCH v4 1/3] Mediated device Core driver, Neo Jia, 2016/06/08
- Re: [Qemu-devel] [RFC PATCH v4 1/3] Mediated device Core driver, Alex Williamson, 2016/06/08
- Re: [Qemu-devel] [RFC PATCH v4 1/3] Mediated device Core driver, Dong Jia, 2016/06/15