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
Subject: [PATCH v8 3/8] iommu: introduce an msi cookie
Date: Thu, 28 Apr 2016 08:15:18 +0000 [thread overview]
Message-ID: <1461831323-5480-4-git-send-email-eric.auger@linaro.org> (raw)
In-Reply-To: <1461831323-5480-1-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 ea5d288..cb8d30a 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -91,6 +91,7 @@ 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:[~2016-04-28 8:15 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-28 8:15 [PATCH v8 0/8] KVM PCIe/MSI passthrough on ARM/ARM64: kernel part 1/3: iommu changes Eric Auger
[not found] ` <1461831323-5480-1-git-send-email-eric.auger-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2016-04-28 8:15 ` [PATCH v8 1/8] iommu: Add iommu_domain_msi_geometry and DOMAIN_ATTR_MSI_GEOMETRY Eric Auger
2016-04-28 8:15 ` [PATCH v8 2/8] iommu/arm-smmu: sets the MSI geometry to programmable Eric Auger
2016-04-28 8:15 ` Eric Auger [this message]
2016-04-28 8:15 ` [PATCH v8 4/8] iommu/msi-iommu: initialization Eric Auger
2016-04-28 8:15 ` [PATCH v8 5/8] iommu/msi-iommu: iommu_msi_[get,put]_doorbell_iova Eric Auger
2016-04-28 8:15 ` [PATCH v8 6/8] iommu/msi-iommu: iommu_msi_domain Eric Auger
[not found] ` <1461831323-5480-7-git-send-email-eric.auger-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2016-04-28 22:27 ` Alex Williamson
[not found] ` <20160428162740.28db4b8d-1yVPhWWZRC1BDLzU/O5InQ@public.gmane.org>
2016-05-02 15:48 ` Eric Auger
[not found] ` <572776BD.2080503-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2016-05-02 20:23 ` Alex Williamson
[not found] ` <20160502142328.2d97f7a4-1yVPhWWZRC1BDLzU/O5InQ@public.gmane.org>
2016-05-03 12:27 ` Eric Auger
2016-04-28 8:15 ` [PATCH v8 7/8] iommu/msi-iommu: iommu_msi_msg_pa_to_va Eric Auger
2016-04-28 8:15 ` [PATCH v8 8/8] iommu/arm-smmu: get/put the msi cookie Eric Auger
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