From: Eric Auger <eric.auger-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
To: eric.auger-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org,
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dennis.chen-5wv7dgnIgG8@public.gmane.org,
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Subject: [PATCH v12 3/8] iommu: introduce an msi cookie
Date: Tue, 2 Aug 2016 17:15:32 +0000 [thread overview]
Message-ID: <1470158137-6931-4-git-send-email-eric.auger@redhat.com> (raw)
In-Reply-To: <1470158137-6931-1-git-send-email-eric.auger-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
This opaque pointer will enable to store information about msi
iommu mappings.
Signed-off-by: Eric Auger <eric.auger-H+wXaHxf7aLQT0dZR+AlfA@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 1b553ee..f7a5d13 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:[~2016-08-02 17:15 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-02 17:15 [PATCH v12 0/8] KVM PCIe/MSI passthrough on ARM/ARM64: kernel part 1/3: iommu changes Eric Auger
[not found] ` <1470158137-6931-1-git-send-email-eric.auger-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-08-02 17:15 ` [PATCH v12 1/8] iommu: Add iommu_domain_msi_geometry and DOMAIN_ATTR_MSI_GEOMETRY Eric Auger
2016-08-02 17:15 ` [PATCH v12 2/8] iommu/arm-smmu: initialize the msi geometry and advertise iommu-msi support Eric Auger
2016-08-02 17:15 ` Eric Auger [this message]
2016-08-02 17:15 ` [PATCH v12 4/8] iommu/msi-iommu: initialization Eric Auger
2016-08-02 17:15 ` [PATCH v12 5/8] iommu/msi-iommu: iommu_msi_[get,put]_doorbell_iova Eric Auger
2016-08-02 17:15 ` [PATCH v12 6/8] iommu/msi-iommu: iommu_msi_domain Eric Auger
2016-08-02 17:15 ` [PATCH v12 7/8] iommu/msi-iommu: iommu_msi_msg_pa_to_va Eric Auger
2016-08-02 17:15 ` [PATCH v12 8/8] iommu/arm-smmu: get/put the msi cookie Eric Auger
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