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[Qemu-devel] [PATCH RFC v3 08/14] memory: provide iommu_replay_all()
From: |
Peter Xu |
Subject: |
[Qemu-devel] [PATCH RFC v3 08/14] memory: provide iommu_replay_all() |
Date: |
Fri, 13 Jan 2017 11:06:34 +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 7649e74..2233f99 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
- Re: [Qemu-devel] [PATCH RFC v3 04/14] intel_iommu: fix trace for inv desc handling, (continued)
[Qemu-devel] [PATCH RFC v3 05/14] intel_iommu: fix trace for addr translation, Peter Xu, 2017/01/12
[Qemu-devel] [PATCH RFC v3 06/14] intel_iommu: vtd_slpt_level_shift check level, Peter Xu, 2017/01/12
[Qemu-devel] [PATCH RFC v3 07/14] memory: add section range info for IOMMU notifier, Peter Xu, 2017/01/12
[Qemu-devel] [PATCH RFC v3 08/14] memory: provide iommu_replay_all(),
Peter Xu <=
[Qemu-devel] [PATCH RFC v3 09/14] memory: introduce memory_region_notify_one(), Peter Xu, 2017/01/12
[Qemu-devel] [PATCH RFC v3 10/14] memory: add MemoryRegionIOMMUOps.replay() callback, Peter Xu, 2017/01/12
[Qemu-devel] [PATCH RFC v3 11/14] intel_iommu: provide its own replay() callback, Peter Xu, 2017/01/12