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[Qemu-devel] [PULL 03/15] memory: provide iommu_replay_all()
From: |
Eduardo Habkost |
Subject: |
[Qemu-devel] [PULL 03/15] memory: provide iommu_replay_all() |
Date: |
Thu, 20 Apr 2017 15:46:53 -0300 |
From: Peter Xu <address@hidden>
This is an "global" version of existing memory_region_iommu_replay() -
we announce the translations to all the registered notifiers, instead of
a specific one.
Reviewed-by: David Gibson <address@hidden>
Reviewed-by: \"Michael S. Tsirkin\" <address@hidden>
Signed-off-by: Peter Xu <address@hidden>
Message-Id: <address@hidden>
Signed-off-by: Eduardo Habkost <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 07e43daf20..fb7dff3405 100644
--- a/include/exec/memory.h
+++ b/include/exec/memory.h
@@ -713,6 +713,14 @@ 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 7496b3d3d5..b4ed67b27a 100644
--- a/memory.c
+++ b/memory.c
@@ -1642,6 +1642,15 @@ 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)
{
--
2.11.0.259.g40922b1
- [Qemu-devel] [PULL 00/15] Machine queue for 2.10, Eduardo Habkost, 2017/04/20
- [Qemu-devel] [PULL 02/15] memory: provide IOMMU_NOTIFIER_FOREACH macro, Eduardo Habkost, 2017/04/20
- [Qemu-devel] [PULL 01/15] memory: add section range info for IOMMU notifier, Eduardo Habkost, 2017/04/20
- [Qemu-devel] [PULL 03/15] memory: provide iommu_replay_all(),
Eduardo Habkost <=
- [Qemu-devel] [PULL 04/15] memory: introduce memory_region_notify_one(), Eduardo Habkost, 2017/04/20
- [Qemu-devel] [PULL 05/15] memory: add MemoryRegionIOMMUOps.replay() callback, Eduardo Habkost, 2017/04/20
- [Qemu-devel] [PULL 06/15] intel_iommu: use the correct memory region for device IOTLB notification, Eduardo Habkost, 2017/04/20
- [Qemu-devel] [PULL 07/15] intel_iommu: provide its own replay() callback, Eduardo Habkost, 2017/04/20
- [Qemu-devel] [PULL 08/15] intel_iommu: allow dynamic switch of IOMMU region, Eduardo Habkost, 2017/04/20
- [Qemu-devel] [PULL 10/15] qdev: Make "hotplugged" property read-only, Eduardo Habkost, 2017/04/20
- [Qemu-devel] [PULL 09/15] intel_iommu: enable remote IOTLB, Eduardo Habkost, 2017/04/20
- [Qemu-devel] [PULL 11/15] hw/core/null-machine: Print error message when using the -kernel parameter, Eduardo Habkost, 2017/04/20
- [Qemu-devel] [PULL 12/15] hostmem: introduce host_memory_backend_mr_inited(), Eduardo Habkost, 2017/04/20
- [Qemu-devel] [PULL 13/15] hostmem: use host_memory_backend_mr_inited() where proper, Eduardo Habkost, 2017/04/20