From: Alexey Kardashevskiy <aik@ozlabs.ru>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
Alex Williamson <alex.williamson@redhat.com>,
Paul Mackerras <paulus@samba.org>,
linuxppc-dev@lists.ozlabs.org,
David Gibson <david@gibson.dropbear.id.au>
Subject: Re: [PATCH] vfio powerpc: enabled on powernv platform
Date: Thu, 13 Dec 2012 17:27:41 +1100 [thread overview]
Message-ID: <50C9755D.6060300@ozlabs.ru> (raw)
In-Reply-To: <1355365763.19932.75.camel@pasglop>
On 13/12/12 13:29, Benjamin Herrenschmidt wrote:
> On Wed, 2012-12-12 at 07:34 -0700, Alex Williamson wrote:
>>> But what would I put there?... IOMMU ID is more than enough at the moment
>>> and struct iommu_table does not have anything what would have made sense to
>>> show in the sysfs...
>>
>> I believe David mentioned that PEs had user visible names. Perhaps they
>> match an enclosure location or something. Group numbers are rather
>> arbitrary and really have no guarantee of persistence. Thanks,
>
> I agree. Make up something, for example domain[PE] or something like
> that.
To be able to add a PE number, I need to call iommu_group_alloc() in the
correct place where I know this number OR I have to carry it in iommu_table
till the moment the iommu_group_alloc() is called (acceptable but not cool).
I will post a patch which would help as a response to this mail.
--
Alexey
WARNING: multiple messages have this Message-ID (diff)
From: Alexey Kardashevskiy <aik@ozlabs.ru>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Alex Williamson <alex.williamson@redhat.com>,
Paul Mackerras <paulus@samba.org>,
linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org,
kvm@vger.kernel.org, David Gibson <david@gibson.dropbear.id.au>
Subject: Re: [PATCH] vfio powerpc: enabled on powernv platform
Date: Thu, 13 Dec 2012 17:27:41 +1100 [thread overview]
Message-ID: <50C9755D.6060300@ozlabs.ru> (raw)
In-Reply-To: <1355365763.19932.75.camel@pasglop>
On 13/12/12 13:29, Benjamin Herrenschmidt wrote:
> On Wed, 2012-12-12 at 07:34 -0700, Alex Williamson wrote:
>>> But what would I put there?... IOMMU ID is more than enough at the moment
>>> and struct iommu_table does not have anything what would have made sense to
>>> show in the sysfs...
>>
>> I believe David mentioned that PEs had user visible names. Perhaps they
>> match an enclosure location or something. Group numbers are rather
>> arbitrary and really have no guarantee of persistence. Thanks,
>
> I agree. Make up something, for example domain[PE] or something like
> that.
To be able to add a PE number, I need to call iommu_group_alloc() in the
correct place where I know this number OR I have to carry it in iommu_table
till the moment the iommu_group_alloc() is called (acceptable but not cool).
I will post a patch which would help as a response to this mail.
--
Alexey
next prev parent reply other threads:[~2012-12-13 6:27 UTC|newest]
Thread overview: 122+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20121113033832.GW4696@truffula.fritz.box>
2012-11-20 0:48 ` [PATCH] vfio powerpc: enabled and supported on powernv platform Alexey Kardashevskiy
2012-11-20 0:48 ` Alexey Kardashevskiy
2012-11-20 18:19 ` Alex Williamson
2012-11-20 18:19 ` Alex Williamson
2012-11-22 11:56 ` Sethi Varun-B16395
2012-11-22 11:56 ` Sethi Varun-B16395
2012-11-22 11:56 ` Sethi Varun-B16395
2012-11-23 2:02 ` Alexey Kardashevskiy
2012-11-23 2:02 ` Alexey Kardashevskiy
2012-11-26 15:18 ` Alex Williamson
2012-11-26 15:18 ` Alex Williamson
2012-11-26 18:04 ` Alex Williamson
2012-11-26 18:04 ` Alex Williamson
2012-11-27 0:21 ` Benjamin Herrenschmidt
2012-11-27 0:21 ` Benjamin Herrenschmidt
2012-11-27 3:28 ` Alexey Kardashevskiy
2012-11-27 3:28 ` Alexey Kardashevskiy
2012-11-27 4:23 ` Alex Williamson
2012-11-27 4:23 ` Alex Williamson
2012-11-26 15:08 ` Alex Williamson
2012-11-26 15:08 ` Alex Williamson
2012-11-23 9:03 ` [PATCH 0/2] vfio powerpc: implemented and enabled Alexey Kardashevskiy
2012-11-23 9:03 ` Alexey Kardashevskiy
2012-11-23 9:03 ` [PATCH 1/2] vfio powerpc: implemented IOMMU driver for VFIO Alexey Kardashevskiy
2012-11-23 9:03 ` Alexey Kardashevskiy
2012-11-26 18:20 ` Alex Williamson
2012-11-26 18:20 ` Alex Williamson
2012-11-27 4:06 ` Alexey Kardashevskiy
2012-11-27 4:06 ` Alexey Kardashevskiy
2012-11-27 4:29 ` Alex Williamson
2012-11-27 4:29 ` Alex Williamson
2012-11-27 4:58 ` Alexey Kardashevskiy
2012-11-27 4:58 ` Alexey Kardashevskiy
2012-11-27 5:06 ` David Gibson
2012-11-27 5:06 ` David Gibson
2012-11-27 5:07 ` Alex Williamson
2012-11-27 5:07 ` Alex Williamson
2012-11-28 7:21 ` [PATCH] " Alexey Kardashevskiy
2012-11-28 7:21 ` Alexey Kardashevskiy
2012-11-28 21:01 ` Alex Williamson
2012-11-28 21:01 ` Alex Williamson
2012-11-29 3:51 ` Alexey Kardashevskiy
2012-11-29 3:51 ` Alexey Kardashevskiy
2012-11-23 9:03 ` [PATCH 2/2] vfio powerpc: enabled on powernv platform Alexey Kardashevskiy
2012-11-23 9:03 ` Alexey Kardashevskiy
2012-11-27 4:41 ` Alex Williamson
2012-11-27 4:41 ` Alex Williamson
2012-11-28 7:18 ` [PATCH] " Alexey Kardashevskiy
2012-11-28 7:18 ` Alexey Kardashevskiy
2012-11-28 21:30 ` Alex Williamson
2012-11-28 21:30 ` Alex Williamson
2012-11-29 3:53 ` Alexey Kardashevskiy
2012-11-29 3:53 ` Alexey Kardashevskiy
2012-11-29 4:20 ` Alex Williamson
2012-11-29 4:20 ` Alex Williamson
2012-11-30 6:14 ` Alexey Kardashevskiy
2012-11-30 6:14 ` Alexey Kardashevskiy
2012-11-30 16:48 ` Alex Williamson
2012-11-30 16:48 ` Alex Williamson
2012-12-01 0:14 ` Alexey Kardashevskiy
2012-12-01 0:14 ` Alexey Kardashevskiy
2012-11-30 6:16 ` Alexey Kardashevskiy
2012-11-30 6:16 ` Alexey Kardashevskiy
2012-12-03 2:52 ` [PATCH 0/2] vfio on power: yet another try Alexey Kardashevskiy
2012-12-03 2:52 ` Alexey Kardashevskiy
2012-12-03 2:52 ` [PATCH 1/2] vfio powerpc: enabled on powernv platform Alexey Kardashevskiy
2012-12-03 2:52 ` Alexey Kardashevskiy
2012-12-03 17:35 ` Alex Williamson
2012-12-03 17:35 ` Alex Williamson
2012-12-04 8:12 ` Alexey Kardashevskiy
2012-12-04 8:12 ` Alexey Kardashevskiy
2012-12-04 15:51 ` Alex Williamson
2012-12-04 15:51 ` Alex Williamson
2012-12-07 7:35 ` [PATCH] " Alexey Kardashevskiy
2012-12-07 7:35 ` Alexey Kardashevskiy
2012-12-07 17:38 ` Alex Williamson
2012-12-07 17:38 ` Alex Williamson
2012-12-12 6:14 ` Alexey Kardashevskiy
2012-12-12 6:14 ` Alexey Kardashevskiy
2012-12-12 14:34 ` Alex Williamson
2012-12-12 14:34 ` Alex Williamson
2012-12-13 2:29 ` Benjamin Herrenschmidt
2012-12-13 2:29 ` Benjamin Herrenschmidt
2012-12-13 6:27 ` Alexey Kardashevskiy [this message]
2012-12-13 6:27 ` Alexey Kardashevskiy
2012-12-13 6:28 ` [PATCH] iommu: moving initialization earlier Alexey Kardashevskiy
[not found] ` <1355380115-4518-1-git-send-email-aik-sLpHqDYs0B2HXe+LvDLADg@public.gmane.org>
2012-12-13 15:48 ` Alex Williamson
2012-12-13 15:48 ` Alex Williamson
[not found] ` <1355413735.2229.1.camel-85EaTFmN5p//9pzu0YdTqQ@public.gmane.org>
2012-12-16 11:20 ` Joerg Roedel
2012-12-16 11:20 ` Joerg Roedel
[not found] ` <20121216112024.GJ1806-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2013-01-04 8:21 ` Alexey Kardashevskiy
2013-01-04 8:21 ` Alexey Kardashevskiy
[not found] ` <50E6910E.7030103-sLpHqDYs0B2HXe+LvDLADg@public.gmane.org>
2013-01-06 9:49 ` Joerg Roedel
2013-01-06 9:49 ` Joerg Roedel
2012-12-12 12:34 ` [PATCH] vfio powerpc: enabled on powernv platform Alexey Kardashevskiy
2012-12-12 12:34 ` Alexey Kardashevskiy
2012-12-12 12:38 ` Alexey Kardashevskiy
2012-12-12 12:38 ` Alexey Kardashevskiy
2012-12-12 23:30 ` Alex Williamson
2012-12-12 23:30 ` Alex Williamson
2012-12-13 2:24 ` Alexey Kardashevskiy
2012-12-13 2:24 ` Alexey Kardashevskiy
2012-12-13 2:39 ` Benjamin Herrenschmidt
2012-12-13 2:39 ` Benjamin Herrenschmidt
2012-12-13 2:57 ` Benjamin Herrenschmidt
2012-12-13 2:57 ` Benjamin Herrenschmidt
2012-12-13 3:22 ` Alex Williamson
2012-12-13 3:22 ` Alex Williamson
2012-12-03 2:52 ` [PATCH 2/2] vfio powerpc: implemented IOMMU driver for VFIO Alexey Kardashevskiy
2012-12-03 2:52 ` Alexey Kardashevskiy
2012-12-03 17:53 ` Alex Williamson
2012-12-03 17:53 ` Alex Williamson
2012-12-07 7:34 ` [PATCH] " Alexey Kardashevskiy
2012-12-07 7:34 ` Alexey Kardashevskiy
2012-12-07 17:01 ` Alex Williamson
2012-12-07 17:01 ` Alex Williamson
2012-12-12 6:59 ` Alexey Kardashevskiy
2012-12-12 6:59 ` Alexey Kardashevskiy
2012-12-12 14:36 ` Alex Williamson
2012-12-12 14:36 ` Alex Williamson
2012-12-12 12:35 ` Alexey Kardashevskiy
2012-12-12 12:35 ` Alexey Kardashevskiy
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