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

Started byjakeo@microsoft.com
First post2015-10-30 00:50 +0100
Last post2015-10-30 18:00 +0100
Articles 7 — 4 participants

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  [PATCH v4 6/7] drivers:hv: Define the channel type for Hyper-V PCI Express pass-through jakeo@microsoft.com - 2015-10-30 00:50 +0100
    Re: [PATCH v4 6/7] drivers:hv: Define the channel type for Hyper-V  PCI Express pass-through Andy Shevchenko <andy.shevchenko@gmail.com> - 2015-10-30 01:50 +0100
      RE: [PATCH v4 6/7] drivers:hv: Define the channel type for Hyper-V  PCI Express pass-through Jake Oshins <jakeo@microsoft.com> - 2015-10-30 17:20 +0100
        Re: [PATCH v4 6/7] drivers:hv: Define the channel type for Hyper-V  PCI Express pass-through Andy Shevchenko <andy.shevchenko@gmail.com> - 2015-10-30 18:00 +0100
          RE: [PATCH v4 6/7] drivers:hv: Define the channel type for Hyper-V  PCI Express pass-through KY Srinivasan <kys@microsoft.com> - 2015-10-30 18:40 +0100
        RE: [PATCH v4 6/7] drivers:hv: Define the channel type for Hyper-V  PCI Express pass-through KY Srinivasan <kys@microsoft.com> - 2015-10-30 18:00 +0100
        Re: [PATCH v4 6/7] drivers:hv: Define the channel type for Hyper-V  PCI Express pass-through Andy Shevchenko <andy.shevchenko@gmail.com> - 2015-10-30 18:00 +0100

#1259115 — [PATCH v4 6/7] drivers:hv: Define the channel type for Hyper-V PCI Express pass-through

Fromjakeo@microsoft.com
Date2015-10-30 00:50 +0100
Subject[PATCH v4 6/7] drivers:hv: Define the channel type for Hyper-V PCI Express pass-through
Message-ID<qp57c-6Mj-29@gated-at.bofh.it>
From: Jake Oshins <jakeo@microsoft.com>

This defines the channel type for PCI front-ends in Hyper-V VMs.

Signed-off-by: Jake Oshins <jakeo@microsoft.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 \
+		}
+
+/*
  * Common header for Hyper-V ICs
  */
 
-- 
1.9.1

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#1259138 — Re: [PATCH v4 6/7] drivers:hv: Define the channel type for Hyper-V PCI Express pass-through

FromAndy Shevchenko <andy.shevchenko@gmail.com>
Date2015-10-30 01:50 +0100
SubjectRe: [PATCH v4 6/7] drivers:hv: Define the channel type for Hyper-V PCI Express pass-through
Message-ID<qp63f-7lc-9@gated-at.bofh.it>
In reply to#1259115
On Fri, Oct 30, 2015 at 1:46 AM,  <jakeo@microsoft.com> wrote:
> From: Jake Oshins <jakeo@microsoft.com>
>
> This defines the channel type for PCI front-ends in Hyper-V VMs.
>
> Signed-off-by: Jake Oshins <jakeo@microsoft.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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> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at  http://www.tux.org/lkml/



-- 
With Best Regards,
Andy Shevchenko
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#1259604 — RE: [PATCH v4 6/7] drivers:hv: Define the channel type for Hyper-V PCI Express pass-through

FromJake Oshins <jakeo@microsoft.com>
Date2015-10-30 17:20 +0100
SubjectRE: [PATCH v4 6/7] drivers:hv: Define the channel type for Hyper-V PCI Express pass-through
Message-ID<qpkzf-81c-11@gated-at.bofh.it>
In reply to#1259138
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#1259626 — Re: [PATCH v4 6/7] drivers:hv: Define the channel type for Hyper-V PCI Express pass-through

FromAndy Shevchenko <andy.shevchenko@gmail.com>
Date2015-10-30 18:00 +0100
SubjectRe: [PATCH v4 6/7] drivers:hv: Define the channel type for Hyper-V PCI Express pass-through
Message-ID<qplbY-8eF-3@gated-at.bofh.it>
In reply to#1259604
On Fri, Oct 30, 2015 at 6:56 PM, KY Srinivasan <kys@microsoft.com> wrote:

>> >> 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.

And switching to struct uuid_le ?

-- 
With Best Regards,
Andy Shevchenko
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#1259665 — RE: [PATCH v4 6/7] drivers:hv: Define the channel type for Hyper-V PCI Express pass-through

FromKY Srinivasan <kys@microsoft.com>
Date2015-10-30 18:40 +0100
SubjectRE: [PATCH v4 6/7] drivers:hv: Define the channel type for Hyper-V PCI Express pass-through
Message-ID<qplOH-eO-25@gated-at.bofh.it>
In reply to#1259626
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#1259635 — RE: [PATCH v4 6/7] drivers:hv: Define the channel type for Hyper-V PCI Express pass-through

FromKY Srinivasan <kys@microsoft.com>
Date2015-10-30 18:00 +0100
SubjectRE: [PATCH v4 6/7] drivers:hv: Define the channel type for Hyper-V PCI Express pass-through
Message-ID<qplbY-8eF-7@gated-at.bofh.it>
In reply to#1259604
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#1259637 — Re: [PATCH v4 6/7] drivers:hv: Define the channel type for Hyper-V PCI Express pass-through

FromAndy Shevchenko <andy.shevchenko@gmail.com>
Date2015-10-30 18:00 +0100
SubjectRe: [PATCH v4 6/7] drivers:hv: Define the channel type for Hyper-V PCI Express pass-through
Message-ID<qplbY-8eF-5@gated-at.bofh.it>
In reply to#1259604
On Fri, Oct 30, 2015 at 5:57 PM, Jake Oshins <jakeo@microsoft.com> 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?

-- 
With Best Regards,
Andy Shevchenko
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