Re: [PATCH v2 04/39] qemu_hostdev: Introduce qemuHostdevNeedsVFIO()

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On 9/26/19 12:12 PM, Michal Privoznik wrote:
> There are two types of host devices that require /dev/vfio/vfio
> access:
> 
>   1) PCI devices with VFIO backend
>   2) Mediated devices
> 
> Introduce a simple helper that returns true if passed @hostdev
> falls in either of the categories.
> 
> Signed-off-by: Michal Privoznik <mprivozn@xxxxxxxxxx>
> ---
>  src/qemu/qemu_hostdev.c | 9 +++++++++
>  src/qemu/qemu_hostdev.h | 2 ++
>  2 files changed, 11 insertions(+)
> 
> diff --git a/src/qemu/qemu_hostdev.c b/src/qemu/qemu_hostdev.c
> index af41c32679..ebbca817b8 100644
> --- a/src/qemu/qemu_hostdev.c
> +++ b/src/qemu/qemu_hostdev.c
> @@ -118,6 +118,15 @@ qemuHostdevUpdateActiveDomainDevices(virQEMUDriverPtr driver,
>      return 0;
>  }
>  
> +
> +bool
> +qemuHostdevNeedsVFIO(const virDomainHostdevDef *hostdev)
> +{
> +    return virHostdevIsVFIODevice(hostdev) ||
> +        virHostdevIsMdevDevice(hostdev);
> +}
> +
> +
>  bool
>  qemuHostdevHostSupportsPassthroughVFIO(void)
>  {

Converts from single to double spacing between functions, but I see this
file is inconsistent anyways so no objection from me. Would be nice to
standardize the codebase on double spacing IMO. I don't know if we have
a guidelines for that one way or the other though? Anyways...

Reviewed-by: Cole Robinson <crobinso@xxxxxxxxxx>

- Cole

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