linux-kernel - Re: [PATCH v4 6/7] drivers:hv: Define the channel type for Hyper-V PCI Express pass-through

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Message-ID: <CAHp75VfcLVsESDT-KdjobcKVwSWUT=f1i_1PrET47tJ=rB91jA@mail.gmail.com>
Date:	Fri, 30 Oct 2015 02:44:43 +0200
From:	Andy Shevchenko <andy.shevchenko@...il.com>
To:	jakeo@...rosoft.com
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>, kys@...rosoft.com,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	devel@...uxdriverproject.org, olaf@...fle.de, apw@...onical.com,
	Vitaly Kuznetsov <vkuznets@...hat.com>, tglx@...hat.com,
	haiyangz@...rosoft.com, marc.zyngier@....com,
	Jiang Liu <jiang.liu@...ux.intel.com>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>
Subject: Re: [PATCH v4 6/7] drivers:hv: Define the channel type for Hyper-V
 PCI Express pass-through

On Fri, Oct 30, 2015 at 1:46 AM,  <jakeo@...rosoft.com> wrote:
> From: Jake Oshins <jakeo@...rosoft.com>
>
> This defines the channel type for PCI front-ends in Hyper-V VMs.
>
> Signed-off-by: Jake Oshins <jakeo@...rosoft.com>
> ---
>  include/linux/hyperv.h | 11 +++++++++++
>  1 file changed, 11 insertions(+)
>
> diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h
> index ea0a0e3..5587899 100644
> --- a/include/linux/hyperv.h
> +++ b/include/linux/hyperv.h
> @@ -1140,6 +1140,17 @@ u64 hv_do_hypercall(u64 control, void *input, void *output);
>                 }
>
>  /*
> + * PCI Express Pass Through
> + * {44C4F61D-4444-4400-9D52-802E27EDE19F}
> + */
> +
> +#define HV_PCIE_GUID \
> +       .guid = { \
> +                       0x1D, 0xF6, 0xC4, 0x44, 0x44, 0x44, 0x00, 0x44, \
> +                       0x9D, 0x52, 0x80, 0x2E, 0x27, 0xED, 0xE1, 0x9F \
> +               }

What about
#include <linux/uuid.h>

UUID_LE(...)

And you may use uuid_le type instead of custom raw buffer.

> +
> +/*
>   * Common header for Hyper-V ICs
>   */
>
> --
> 1.9.1
>
> --
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-- 
With Best Regards,
Andy Shevchenko
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