| Message ID | 1486456099-7345-13-git-send-email-peterx@redhat.com |
|---|---|
| State | New |
| Headers | show |
On Tue, Feb 07, 2017 at 04:28:14PM +0800, Peter Xu wrote: > 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 <peterx@redhat.com> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> > --- > 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) > {
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) {
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 <peterx@redhat.com> --- include/exec/memory.h | 8 ++++++++ memory.c | 9 +++++++++ 2 files changed, 17 insertions(+)