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Re: [Qemu-block] [PATCH] Enable NVMe start controller for Windows guest.
From: |
Kevin Wolf |
Subject: |
Re: [Qemu-block] [PATCH] Enable NVMe start controller for Windows guest. |
Date: |
Thu, 30 Apr 2015 15:36:21 +0200 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
[Cc: qemu-block]
Am 24.04.2015 um 21:19 hat Keith Busch geschrieben:
> On Fri, 24 Apr 2015, Daniel Stekloff wrote:
> >Windows seems to send two separate calls to NVMe controller configuration.
> >The
> >first sends configuration info and the second the enable bit. I couldn't
> >enable the Windows 8.1 in-box NVMe driver with base Qemu. I made the
> >following change to store the configuration data and then handle enable and
> >NVMe driver works on Windows 8.1.
>
> Hm, Microsoft's driver must be issuing MMIO reads to mask in the enable
> bit rather than keep the state known. Sounds odd, but thanks for the fix.
>
> Acked-by: Keith Busch <address@hidden>
Thanks, applied to the block branch.
Kevin
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