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[Qemu-devel] [PATCH v6 12/18] memory: provide iommu_replay_all()
From: |
Peter Xu |
Subject: |
[Qemu-devel] [PATCH v6 12/18] memory: provide iommu_replay_all() |
Date: |
Fri, 3 Feb 2017 16:22:38 +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 f76e174..606ce88 100644
--- a/include/exec/memory.h
+++ b/include/exec/memory.h
@@ -707,6 +707,14 @@ 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 523c43f..9e1bb75 100644
--- a/memory.c
+++ b/memory.c
@@ -1646,6 +1646,15 @@ void memory_region_iommu_replay(MemoryRegion *mr,
IOMMUNotifier *n,
}
}
+void memory_region_iommu_replay_all(MemoryRegion *mr)
+{
+ IOMMUNotifier *notifier;
+
+ IOMMU_NOTIFIER_FOREACH(notifier, mr) {
+ memory_region_iommu_replay(mr, notifier, false);
+ }
+}
+
void memory_region_unregister_iommu_notifier(MemoryRegion *mr,
IOMMUNotifier *n)
{
--
2.7.4
- [Qemu-devel] [PATCH v6 08/18] intel_iommu: fix trace for addr translation, (continued)
- [Qemu-devel] [PATCH v6 09/18] intel_iommu: vtd_slpt_level_shift check level, Peter Xu, 2017/02/03
- [Qemu-devel] [PATCH v6 10/18] memory: add section range info for IOMMU notifier, Peter Xu, 2017/02/03
- [Qemu-devel] [PATCH v6 11/18] memory: provide IOMMU_NOTIFIER_FOREACH macro, Peter Xu, 2017/02/03
- [Qemu-devel] [PATCH v6 12/18] memory: provide iommu_replay_all(),
Peter Xu <=
- [Qemu-devel] [PATCH v6 13/18] memory: introduce memory_region_notify_one(), Peter Xu, 2017/02/03
- [Qemu-devel] [PATCH v6 14/18] memory: add MemoryRegionIOMMUOps.replay() callback, Peter Xu, 2017/02/03
- [Qemu-devel] [PATCH v6 15/18] intel_iommu: provide its own replay() callback, Peter Xu, 2017/02/03
- [Qemu-devel] [PATCH v6 16/18] intel_iommu: do replay when context invalidate, Peter Xu, 2017/02/03
- [Qemu-devel] [PATCH v6 17/18] intel_iommu: allow dynamic switch of IOMMU region, Peter Xu, 2017/02/03