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

From: KY Srinivasan
Date: Fri Oct 30 2015 - 12:56:20 EST




> -----Original Message-----
> From: Andy Shevchenko [mailto:andy.shevchenko@xxxxxxxxx]
> Sent: Friday, October 30, 2015 9:52 AM
> To: Jake Oshins <jakeo@xxxxxxxxxxxxx>
> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>; KY Srinivasan
> <kys@xxxxxxxxxxxxx>; linux-kernel@xxxxxxxxxxxxxxx;
> devel@xxxxxxxxxxxxxxxxxxxxxx; olaf@xxxxxxxxx; apw@xxxxxxxxxxxxx; Vitaly
> Kuznetsov <vkuznets@xxxxxxxxxx>; tglx@xxxxxxxxxx; Haiyang Zhang
> <haiyangz@xxxxxxxxxxxxx>; marc.zyngier@xxxxxxx; Jiang Liu
> <jiang.liu@xxxxxxxxxxxxxxx>; Bjorn Helgaas <bhelgaas@xxxxxxxxxx>; linux-
> pci@xxxxxxxxxxxxxxx
> 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 5:57 PM, Jake Oshins <jakeo@xxxxxxxxxxxxx> wrote:
>
> >> > + * 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.
> >>
> >
> > Thanks. I was just following the form of all the others in this file. I think
> that this was done to match up with the representation that's coming across
> the VM boundary from Windows.
>
> Perhaps a separate patch to move to uuid.h then?

Yes; I am about to send out a patch to use the UUID_LE macro for all of the Hyper-V guids.

Regards,

K. Y
>
> --
> With Best Regards,
> Andy Shevchenko