From: Joerg Roedel <joerg.roedel-5C7GfCeVMHo@public.gmane.org>
To: Sethi Varun-B16395 <B16395-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
Cc: Ohad Ben-Cohen <ohad-Ix1uc/W3ht7QT0dZR+AlfA@public.gmane.org>,
Wood Scott-B07421
<B07421-KZfg59tc24xl57MIdRCFDg@public.gmane.org>,
Tony Lindgren <tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>,
Hiroshi DOYU
<Hiroshi.DOYU-xNZwKgViW5gAvxtiuMwx3w@public.gmane.org>,
"linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org"
<iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org>,
Laurent Pinchart
<laurent.pinchart-ryLnwIuWjnjg/C1BVhZhaw@public.gmane.org>,
David Brown <davidb-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>,
David Woodhouse <dwmw2-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
Subject: Re: [PATCH 2/5] iommu/amd: Implement DOMAIN_ATTR_GEOMETRY attribute
Date: Fri, 20 Jan 2012 17:03:44 +0100 [thread overview]
Message-ID: <20120120160344.GG2205@amd.com> (raw)
In-Reply-To: <C5ECD7A89D1DC44195F34B25E172658D038749-RL0Hj/+nBVCMXPU/2EZmt64g8xLGJsHaLnY5E4hWTkheoWH0uzbU5w@public.gmane.org>
On Thu, Jan 19, 2012 at 05:16:48PM +0000, Sethi Varun-B16395 wrote:
> > struct iommu_domain {
> > struct iommu_ops *ops;
> > void *priv;
> > iommu_fault_handler_t handler;
> > + struct iommu_domain_geometry geometry;
> > };
> In case of our iommu implementation the iommu_domain_geometry would
> include additional attributes. Why can't we let the geometry be
> Implementation dependent?
Because the values in this generic geometry-struct make sense for more
than one IOMMU (short-term for Tegra GART and Freescale PAMU). If you
have additional vendor-specific ones you could add them via a
vendor-specific attribute.
Regards,
Joerg
--
AMD Operating System Research Center
Advanced Micro Devices GmbH Einsteinring 24 85609 Dornach
General Managers: Alberto Bozzo
Registration: Dornach, Landkr. Muenchen; Registerger. Muenchen, HRB Nr. 43632
next prev parent reply other threads:[~2012-01-20 16:03 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1326983405-319-1-git-send-email-joerg.roedel@amd.com>
[not found] ` <1326983405-319-3-git-send-email-joerg.roedel@amd.com>
[not found] ` <1326983405-319-3-git-send-email-joerg.roedel-5C7GfCeVMHo@public.gmane.org>
2012-01-19 17:16 ` [PATCH 2/5] iommu/amd: Implement DOMAIN_ATTR_GEOMETRY attribute Sethi Varun-B16395
[not found] ` <C5ECD7A89D1DC44195F34B25E172658D038749@039-SN2MPN1-011.039d.mgd.msft.net>
[not found] ` <C5ECD7A89D1DC44195F34B25E172658D038749-RL0Hj/+nBVCMXPU/2EZmt64g8xLGJsHaLnY5E4hWTkheoWH0uzbU5w@public.gmane.org>
2012-01-20 16:03 ` Joerg Roedel [this message]
2012-01-26 18:25 ` Scott Wood
2012-01-26 18:31 ` Joerg Roedel
2012-01-26 18:42 ` Scott Wood
[not found] ` <4F219E82.106-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
2012-01-26 18:51 ` Joerg Roedel
2012-01-26 19:00 ` Scott Wood
[not found] ` <4F21A2D5.6000204-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
2012-01-26 19:44 ` Joerg Roedel
2012-01-26 20:02 ` Scott Wood
[not found] ` <4F21B152.3010103-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
2012-01-27 11:01 ` Joerg Roedel
2012-01-27 21:22 ` Scott Wood
[not found] ` <4F2315A3.80909-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
2012-01-30 14:24 ` Joerg Roedel
2012-01-30 20:21 ` Scott Wood
[not found] ` <20120126185101.GJ19255-5C7GfCeVMHo@public.gmane.org>
2012-01-30 6:27 ` Sethi Varun-B16395
[not found] ` <C5ECD7A89D1DC44195F34B25E172658D041E81-RL0Hj/+nBVDAtPZc1oz0FK4g8xLGJsHaLnY5E4hWTkheoWH0uzbU5w@public.gmane.org>
2012-01-30 14:30 ` Joerg Roedel
[not found] ` <1326983405-319-1-git-send-email-joerg.roedel-5C7GfCeVMHo@public.gmane.org>
2012-01-20 6:14 ` [PATCH 0/5] IOMMU: Make IOMMU-API ready for GART-like hardware Hiroshi Doyu
[not found] ` <20120120.081403.2268989617582455160.hdoyu-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2012-01-20 16:05 ` joerg.roedel-5C7GfCeVMHo
[not found] ` <201201191646.13798.laurent.pinchart@ideasonboard.com>
[not found] ` <20120119160739.GB2205@amd.com>
[not found] ` <201201191727.10176.laurent.pinchart@ideasonboard.com>
[not found] ` <201201191727.10176.laurent.pinchart-ryLnwIuWjnjg/C1BVhZhaw@public.gmane.org>
2012-01-20 5:44 ` [PATCH 2/5] iommu/amd: Implement DOMAIN_ATTR_GEOMETRY attribute Hiroshi Doyu
2012-01-20 16:01 ` Joerg Roedel
[not found] ` <20120120160128.GF2205-5C7GfCeVMHo@public.gmane.org>
2012-02-01 9:37 ` Sethi Varun-B16395
2012-01-26 18:26 ` Scott Wood
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