Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1389845

[PATCH v8 3/8] iommu: introduce an msi cookie

Show all headers | View raw

This opaque pointer will enable to store information about msi
iommu mappings.

Signed-off-by: Eric Auger <eric.auger@linaro.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

Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

[PATCH v8 0/8] KVM PCIe/MSI passthrough on ARM/ARM64: kernel part 1/3: iommu changes Eric Auger <eric.auger@linaro.org> - 2016-04-28 10:20 +0200
  [PATCH v8 2/8] iommu/arm-smmu: sets the MSI geometry to programmable Eric Auger <eric.auger@linaro.org> - 2016-04-28 10:20 +0200
  [PATCH v8 3/8] iommu: introduce an msi cookie Eric Auger <eric.auger@linaro.org> - 2016-04-28 10:20 +0200
  [PATCH v8 7/8] iommu/msi-iommu: iommu_msi_msg_pa_to_va Eric Auger <eric.auger@linaro.org> - 2016-04-28 10:20 +0200
  [PATCH v8 5/8] iommu/msi-iommu: iommu_msi_[get,put]_doorbell_iova Eric Auger <eric.auger@linaro.org> - 2016-04-28 10:20 +0200
  [PATCH v8 8/8] iommu/arm-smmu: get/put the msi cookie Eric Auger <eric.auger@linaro.org> - 2016-04-28 10:20 +0200
  [PATCH v8 6/8] iommu/msi-iommu: iommu_msi_domain Eric Auger <eric.auger@linaro.org> - 2016-04-28 10:20 +0200
    Re: [PATCH v8 6/8] iommu/msi-iommu: iommu_msi_domain Alex Williamson <alex.williamson@redhat.com> - 2016-04-29 00:30 +0200
      Re: [PATCH v8 6/8] iommu/msi-iommu: iommu_msi_domain Eric Auger <eric.auger@linaro.org> - 2016-05-02 17:50 +0200
        Re: [PATCH v8 6/8] iommu/msi-iommu: iommu_msi_domain Alex Williamson <alex.williamson@redhat.com> - 2016-05-02 22:30 +0200
          Re: [PATCH v8 6/8] iommu/msi-iommu: iommu_msi_domain Eric Auger <eric.auger@linaro.org> - 2016-05-03 14:30 +0200
  [PATCH v8 4/8] iommu/msi-iommu: initialization Eric Auger <eric.auger@linaro.org> - 2016-04-28 10:20 +0200
  [PATCH v8 1/8] iommu: Add iommu_domain_msi_geometry and DOMAIN_ATTR_MSI_GEOMETRY Eric Auger <eric.auger@linaro.org> - 2016-04-28 10:20 +0200

csiph-web