From: "joro@8bytes.org" <joro@8bytes.org>
To: Bjorn Helgaas <bhelgaas@google.com>
Cc: Bhushan Bharat-R65777 <R65777@freescale.com>,
"alex.williamson@redhat.com" <alex.williamson@redhat.com>,
"benh@kernel.crashing.org" <benh@kernel.crashing.org>,
"galak@kernel.crashing.org" <galak@kernel.crashing.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>,
"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
"agraf@suse.de" <agraf@suse.de>,
Wood Scott-B07421 <B07421@freescale.com>,
"iommu@lists.linux-foundation.org"
<iommu@lists.linux-foundation.org>
Subject: Re: [PATCH 1/7] powerpc: Add interface to get msi region information
Date: Tue, 8 Oct 2013 19:02:28 +0200 [thread overview]
Message-ID: <20131008170228.GD17455@8bytes.org> (raw)
In-Reply-To: <CAErSpo742BOxzxRaFQn+UnsNday4_8LM6+3G6=cfp9DHecPxDg@mail.gmail.com>
On Tue, Oct 08, 2013 at 10:47:49AM -0600, Bjorn Helgaas wrote:
> I still have no idea what an "aperture type IOMMU" is,
> other than that it is "different."
An aperture based IOMMU is basically any GART-like IOMMU which can only
remap a small window (the aperture) of the DMA address space. DMA
outside of that window is either blocked completly or passed through
untranslated.
Joerg
next prev parent reply other threads:[~2013-10-08 17:02 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-19 7:29 [PATCH 0/7] vfio-pci: add support for Freescale IOMMU (PAMU) Bharat Bhushan
2013-09-19 7:29 ` [PATCH 1/7] powerpc: Add interface to get msi region information Bharat Bhushan
2013-09-24 23:58 ` Bjorn Helgaas
2013-10-04 5:19 ` Bhushan Bharat-R65777
2013-10-08 16:47 ` Bjorn Helgaas
2013-10-08 17:02 ` joro [this message]
2013-10-08 17:09 ` Bhushan Bharat-R65777
2013-10-10 21:13 ` Sethi Varun-B16395
2013-10-08 17:09 ` Scott Wood
2013-10-08 22:57 ` Scott Wood
2013-10-08 23:25 ` Bjorn Helgaas
2013-10-08 23:35 ` Scott Wood
2013-10-09 4:47 ` Bhushan Bharat-R65777
2013-09-19 7:29 ` [PATCH 2/7] iommu: add api to get iommu_domain of a device Bharat Bhushan
2013-09-25 16:45 ` Alex Williamson
2013-10-04 9:54 ` Bhushan Bharat-R65777
2013-10-04 15:45 ` Alex Williamson
2013-10-04 16:47 ` Bhushan Bharat-R65777
2013-10-04 17:12 ` Alex Williamson
2013-10-04 17:23 ` Bhushan Bharat-R65777
2013-10-04 18:12 ` Alex Williamson
2013-10-07 5:46 ` Bhushan Bharat-R65777
2013-10-08 3:13 ` Alex Williamson
2013-10-08 3:42 ` Bhushan Bharat-R65777
2013-10-10 20:09 ` Sethi Varun-B16395
2013-10-10 20:41 ` Alex Williamson
2013-10-14 12:58 ` Sethi Varun-B16395
2013-10-14 14:20 ` Alex Williamson
2013-10-04 10:42 ` Bhushan Bharat-R65777
2013-09-19 7:29 ` [PATCH 3/7] fsl iommu: add get_dev_iommu_domain Bharat Bhushan
2013-09-19 7:29 ` [PATCH 4/7] powerpc: translate msi addr to iova if iommu is in use Bharat Bhushan
2013-09-19 7:29 ` [PATCH 5/7] iommu: supress loff_t compilation error on powerpc Bharat Bhushan
2013-09-25 16:40 ` Alex Williamson
2013-09-26 3:53 ` Bhushan Bharat-R65777
2013-09-26 22:20 ` Scott Wood
2013-09-19 7:29 ` [PATCH 6/7] vfio: moving some functions in common file Bharat Bhushan
2013-09-25 17:02 ` Alex Williamson
2013-09-26 3:57 ` Bhushan Bharat-R65777
2013-09-19 7:29 ` [PATCH 7/7] vfio pci: Add vfio iommu implementation for FSL_PAMU Bharat Bhushan
2013-09-25 19:06 ` Alex Williamson
2013-09-26 5:27 ` Bhushan Bharat-R65777
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20131008170228.GD17455@8bytes.org \
--to=joro@8bytes.org \
--cc=B07421@freescale.com \
--cc=R65777@freescale.com \
--cc=agraf@suse.de \
--cc=alex.williamson@redhat.com \
--cc=benh@kernel.crashing.org \
--cc=bhelgaas@google.com \
--cc=galak@kernel.crashing.org \
--cc=iommu@lists.linux-foundation.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-pci@vger.kernel.org \
--cc=linuxppc-dev@lists.ozlabs.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).