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[Qemu-devel] [RFC PATCH 7/8] intel_iommu: provide AddressSpaceOps.iommu_
From: |
Peter Xu |
Subject: |
[Qemu-devel] [RFC PATCH 7/8] intel_iommu: provide AddressSpaceOps.iommu_get() |
Date: |
Thu, 27 Apr 2017 17:34:19 +0800 |
Then it'll be the first one to support address_space_iommu_get() API.
Signed-off-by: Peter Xu <address@hidden>
---
hw/i386/intel_iommu.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c
index 609732b..5131329 100644
--- a/hw/i386/intel_iommu.c
+++ b/hw/i386/intel_iommu.c
@@ -2632,6 +2632,12 @@ static const MemoryRegionOps vtd_mem_ir_ops = {
},
};
+static IOMMUObject *vtd_as_iommu_get(AddressSpace *as)
+{
+ VTDAddressSpace *vtd_dev_as = container_of(as, VTDAddressSpace, as);
+ return (IOMMUObject *)vtd_dev_as->iommu_state;
+}
+
VTDAddressSpace *vtd_find_add_as(IntelIOMMUState *s, PCIBus *bus, int devfn)
{
uintptr_t key = (uintptr_t)bus;
@@ -2692,6 +2698,9 @@ VTDAddressSpace *vtd_find_add_as(IntelIOMMUState *s,
PCIBus *bus, int devfn)
VTD_INTERRUPT_ADDR_FIRST,
&vtd_dev_as->iommu_ir, 64);
address_space_init(&vtd_dev_as->as, &vtd_dev_as->root, name);
+
+ vtd_dev_as->as.as_ops.iommu_get = vtd_as_iommu_get;
+
memory_region_add_subregion_overlap(&vtd_dev_as->root, 0,
&vtd_dev_as->sys_alias, 1);
memory_region_add_subregion_overlap(&vtd_dev_as->root, 0,
--
2.7.4
- [Qemu-devel] [RFC PATCH 0/8] IOMMU: introduce common IOMMUObject, Peter Xu, 2017/04/27
- [Qemu-devel] [RFC PATCH 1/8] memory: rename IOMMU_NOTIFIER_*, Peter Xu, 2017/04/27
- [Qemu-devel] [RFC PATCH 2/8] memory: rename IOMMUNotifier, Peter Xu, 2017/04/27
- [Qemu-devel] [RFC PATCH 3/8] memory: rename iommu_notifier_init(), Peter Xu, 2017/04/27
- [Qemu-devel] [RFC PATCH 4/8] memory: rename *_notify_iommu*, Peter Xu, 2017/04/27
- [Qemu-devel] [RFC PATCH 6/8] memory: introduce AddressSpaceOps, Peter Xu, 2017/04/27
- [Qemu-devel] [RFC PATCH 5/8] memory: rename *iommu_notifier*, Peter Xu, 2017/04/27
- [Qemu-devel] [RFC PATCH 7/8] intel_iommu: provide AddressSpaceOps.iommu_get(),
Peter Xu <=
- [Qemu-devel] [RFC PATCH 8/8] iommu: introduce hw/core/iommu, Peter Xu, 2017/04/27