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[Qemu-devel] [PATCH RFC v2 11/17] memory: provide iommu_replay_all()
From: |
Peter Xu |
Subject: |
[Qemu-devel] [PATCH RFC v2 11/17] memory: provide iommu_replay_all() |
Date: |
Tue, 3 Jan 2017 15:29:48 +0800 |
This is an "global" version of exising memory_region_iommu_replay() - we
announce the translations to all the registered notifiers, instead of a
specific one.
Signed-off-by: Peter Xu <address@hidden>
---
include/exec/memory.h | 8 ++++++++
memory.c | 9 +++++++++
2 files changed, 17 insertions(+)
diff --git a/include/exec/memory.h b/include/exec/memory.h
index cecfed1..d8363a0 100644
--- a/include/exec/memory.h
+++ b/include/exec/memory.h
@@ -694,6 +694,14 @@ void memory_region_iommu_replay(MemoryRegion *mr,
IOMMUNotifier *n,
bool is_write);
/**
+ * memory_region_iommu_replay_all: replay existing IOMMU translations
+ * to all the notifiers registered.
+ *
+ * @mr: the memory region to observe
+ */
+void memory_region_iommu_replay_all(MemoryRegion *mr);
+
+/**
* memory_region_unregister_iommu_notifier: unregister a notifier for
* changes to IOMMU translation entries.
*
diff --git a/memory.c b/memory.c
index e88bb54..df62bd1 100644
--- a/memory.c
+++ b/memory.c
@@ -1645,6 +1645,15 @@ void memory_region_iommu_replay(MemoryRegion *mr,
IOMMUNotifier *n,
}
}
+void memory_region_iommu_replay_all(MemoryRegion *mr)
+{
+ IOMMUNotifier *notifier;
+
+ QLIST_FOREACH(notifier, &mr->iommu_notify, node) {
+ memory_region_iommu_replay(mr, notifier, false);
+ }
+}
+
void memory_region_unregister_iommu_notifier(MemoryRegion *mr,
IOMMUNotifier *n)
{
--
2.7.4
- [Qemu-devel] [PATCH RFC v2 01/17] IOMMU: add option to enable VTD_CAP_CM to vIOMMU capility exposoed to guest, (continued)
- [Qemu-devel] [PATCH RFC v2 01/17] IOMMU: add option to enable VTD_CAP_CM to vIOMMU capility exposoed to guest, Peter Xu, 2017/01/03
- [Qemu-devel] [PATCH RFC v2 02/17] memory: handle alias for iommu notifier, Peter Xu, 2017/01/03
- [Qemu-devel] [PATCH RFC v2 04/17] intel_iommu: allocate new key when creating new address space, Peter Xu, 2017/01/03
- [Qemu-devel] [PATCH RFC v2 03/17] memory: handle alias in memory_region_is_iommu(), Peter Xu, 2017/01/03
- [Qemu-devel] [PATCH RFC v2 05/17] intel_iommu: simplify irq region translation, Peter Xu, 2017/01/03
- [Qemu-devel] [PATCH RFC v2 06/17] intel_iommu: renaming gpa to iova where proper, Peter Xu, 2017/01/03
- [Qemu-devel] [PATCH RFC v2 07/17] intel_iommu: fix trace for inv desc handling, Peter Xu, 2017/01/03
- [Qemu-devel] [PATCH RFC v2 08/17] intel_iommu: fix trace for addr translation, Peter Xu, 2017/01/03
- [Qemu-devel] [PATCH RFC v2 09/17] intel_iommu: vtd_slpt_level_shift check level, Peter Xu, 2017/01/03
- [Qemu-devel] [PATCH RFC v2 10/17] memory: add section range info for IOMMU notifier, Peter Xu, 2017/01/03
- [Qemu-devel] [PATCH RFC v2 11/17] memory: provide iommu_replay_all(),
Peter Xu <=
- [Qemu-devel] [PATCH RFC v2 13/17] memory: add MemoryRegionIOMMUOps.replay() callback, Peter Xu, 2017/01/03
- [Qemu-devel] [PATCH RFC v2 12/17] memory: introduce memory_region_notify_one(), Peter Xu, 2017/01/03
- [Qemu-devel] [PATCH RFC v2 14/17] intel_iommu: provide its own replay() callback, Peter Xu, 2017/01/03
- [Qemu-devel] [PATCH RFC v2 15/17] intel_iommu: do replay when context invalidate, Peter Xu, 2017/01/03
- [Qemu-devel] [PATCH RFC v2 16/17] intel_iommu: allow dynamic switch of IOMMU region, Peter Xu, 2017/01/03
- [Qemu-devel] [PATCH RFC v2 17/17] intel_iommu: enable vfio devices, Peter Xu, 2017/01/03
- Re: [Qemu-devel] [PATCH RFC v2 00/17] VT-d: vfio enablement and misc enhances, no-reply, 2017/01/03
- Re: [Qemu-devel] [PATCH RFC v2 00/17] VT-d: vfio enablement and misc enhances, Michael S. Tsirkin, 2017/01/12