From: Eric Auger <eric.auger-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
To: eric.auger-qxv4g6HH51o@public.gmane.org,
eric.auger-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
robin.murphy-5wv7dgnIgG8@public.gmane.org,
alex.williamson-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org,
will.deacon-5wv7dgnIgG8@public.gmane.org,
joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org,
tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org,
jason-NLaQJdtUoK4Be96aLqz0jA@public.gmane.org,
marc.zyngier-5wv7dgnIgG8@public.gmane.org,
christoffer.dall-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Cc: julien.grall-5wv7dgnIgG8@public.gmane.org,
patches-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
p.fedin-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
pranav.sawargaonkar-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
yehuday-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org
Subject: [PATCH v9 3/8] iommu: introduce an msi cookie
Date: Wed, 4 May 2016 11:40:02 +0000 [thread overview]
Message-ID: <1462362007-2753-4-git-send-email-eric.auger@linaro.org> (raw)
In-Reply-To: <1462362007-2753-1-git-send-email-eric.auger-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
This opaque pointer will enable to store information about msi
iommu mappings.
Signed-off-by: Eric Auger <eric.auger-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
---
v7 -> v8:
remove spinlock and RB tree
v5 -> v6:
- initialize reserved_binding_list
- use a spinlock instead of a mutex
---
include/linux/iommu.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index 021b659..09fba4c 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -90,6 +90,7 @@ struct iommu_domain {
struct iommu_domain_geometry geometry;
struct iommu_domain_msi_geometry msi_geometry;
void *iova_cookie;
+ void *msi_cookie;
};
enum iommu_cap {
--
1.9.1
next prev parent reply other threads:[~2016-05-04 11:40 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-04 11:39 [PATCH v9 0/8] KVM PCIe/MSI passthrough on ARM/ARM64: kernel part 1/3: iommu changes Eric Auger
[not found] ` <1462362007-2753-1-git-send-email-eric.auger-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2016-05-04 11:40 ` [PATCH v9 1/8] iommu: Add iommu_domain_msi_geometry and DOMAIN_ATTR_MSI_GEOMETRY Eric Auger
2016-05-04 11:40 ` [PATCH v9 2/8] iommu/arm-smmu: initialize the msi geometry and advertise iommu-msi support Eric Auger
2016-05-04 11:40 ` Eric Auger [this message]
2016-05-04 11:40 ` [PATCH v9 4/8] iommu/msi-iommu: initialization Eric Auger
2016-05-09 20:57 ` Alex Williamson
[not found] ` <20160509145739.41a19743-1yVPhWWZRC1BDLzU/O5InQ@public.gmane.org>
2016-05-10 14:43 ` Eric Auger
2016-05-04 11:40 ` [PATCH v9 5/8] iommu/msi-iommu: iommu_msi_[get,put]_doorbell_iova Eric Auger
2016-05-04 11:40 ` [PATCH v9 6/8] iommu/msi-iommu: iommu_msi_domain Eric Auger
2016-05-04 11:40 ` [PATCH v9 8/8] iommu/arm-smmu: get/put the msi cookie Eric Auger
2016-05-04 11:40 ` [PATCH v9 7/8] iommu/msi-iommu: iommu_msi_msg_pa_to_va Eric Auger
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=1462362007-2753-4-git-send-email-eric.auger@linaro.org \
--to=eric.auger-qsej5fyqhm4dnm+yrofe0a@public.gmane.org \
--cc=alex.williamson-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org \
--cc=christoffer.dall-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org \
--cc=eric.auger-qxv4g6HH51o@public.gmane.org \
--cc=iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org \
--cc=jason-NLaQJdtUoK4Be96aLqz0jA@public.gmane.org \
--cc=joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org \
--cc=julien.grall-5wv7dgnIgG8@public.gmane.org \
--cc=linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org \
--cc=linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=marc.zyngier-5wv7dgnIgG8@public.gmane.org \
--cc=p.fedin-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org \
--cc=patches-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org \
--cc=pranav.sawargaonkar-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org \
--cc=robin.murphy-5wv7dgnIgG8@public.gmane.org \
--cc=tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org \
--cc=will.deacon-5wv7dgnIgG8@public.gmane.org \
--cc=yehuday-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.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).