From: "Benoît Canet" <benoit.canet-J9ArbTHlV+bR7s880joybQ@public.gmane.org>
To: "Michael S. Tsirkin" <mst-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Cc: "Benoît Canet"
<benoit.canet-J9ArbTHlV+bR7s880joybQ@public.gmane.org>,
iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
qemu-devel-qX2TKyscuCcdnm+yROfE0A@public.gmane.org
Subject: Re: [Qemu-devel] VFIO and scheduled SR-IOV cards
Date: Sun, 28 Jul 2013 17:17:32 +0200 [thread overview]
Message-ID: <20130728151731.GA4134@irqsave.net> (raw)
In-Reply-To: <20130710102355.GB10203-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
> Confused.
> You have one VF accessing BAR of another VF?
> Why?
The VFs are scheduled and the board have only one microcontroller responsible
to give the read results for some memory mapped registers.
So it could respond the value of the active VF when a bar of an inactive VF is
read.
I handed over the contract as it's seemed too tricky.
Best regards
Benoît
WARNING: multiple messages have this Message-ID (diff)
From: "Benoît Canet" <benoit.canet@irqsave.net>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: "Benoît Canet" <benoit.canet@irqsave.net>,
"Alex Williamson" <alex.williamson@redhat.com>,
"Don Dutile" <ddutile@redhat.com>,
iommu@lists.linux-foundation.org, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] VFIO and scheduled SR-IOV cards
Date: Sun, 28 Jul 2013 17:17:32 +0200 [thread overview]
Message-ID: <20130728151731.GA4134@irqsave.net> (raw)
In-Reply-To: <20130710102355.GB10203@redhat.com>
> Confused.
> You have one VF accessing BAR of another VF?
> Why?
The VFs are scheduled and the board have only one microcontroller responsible
to give the read results for some memory mapped registers.
So it could respond the value of the active VF when a bar of an inactive VF is
read.
I handed over the contract as it's seemed too tricky.
Best regards
Benoît
next prev parent reply other threads:[~2013-07-28 15:17 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-03 16:33 VFIO and scheduled SR-IOV cards Benoît Canet
2013-06-03 16:33 ` [Qemu-devel] " Benoît Canet
[not found] ` <20130603163305.GC4094-J9ArbTHlV+bR7s880joybQ@public.gmane.org>
2013-06-03 18:02 ` Alex Williamson
2013-06-03 18:02 ` [Qemu-devel] " Alex Williamson
[not found] ` <1370282529.30975.344.camel-85EaTFmN5p//9pzu0YdTqQ@public.gmane.org>
2013-06-03 18:34 ` Don Dutile
2013-06-03 18:34 ` [Qemu-devel] " Don Dutile
[not found] ` <51ACE1B5.2050102-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-06-03 18:57 ` Alex Williamson
2013-06-03 18:57 ` [Qemu-devel] " Alex Williamson
[not found] ` <1370285865.30975.361.camel-85EaTFmN5p//9pzu0YdTqQ@public.gmane.org>
2013-06-04 15:50 ` Benoît Canet
2013-06-04 15:50 ` Benoît Canet
[not found] ` <20130604155030.GA5991-J9ArbTHlV+bR7s880joybQ@public.gmane.org>
2013-06-04 18:31 ` Alex Williamson
2013-06-04 18:31 ` Alex Williamson
2013-07-10 10:23 ` Michael S. Tsirkin
2013-07-10 10:23 ` [Qemu-devel] " Michael S. Tsirkin
[not found] ` <20130710102355.GB10203-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-07-28 15:17 ` Benoît Canet [this message]
2013-07-28 15:17 ` Benoît Canet
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