diff options
| author | Peter Xu <peterx@redhat.com> | 2016-09-23 13:02:27 +0800 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2016-09-27 09:00:04 +0200 |
| commit | 5bf3d319030b1e95116ba49b31339f2bdd1d3b2a (patch) | |
| tree | b4d053cd9c0825b247957f30130e668d3965ac6c /include | |
| parent | cdb3081269347fd9271fd1b7a9df312e2953bdd9 (diff) | |
memory: introduce IOMMUOps.notify_flag_changed
The new interface can be used to replace the old notify_started() and
notify_stopped(). Meanwhile it provides explicit flags so that IOMMUs
can know what kind of notifications it is requested for.
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <1474606948-14391-3-git-send-email-peterx@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/exec/memory.h | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/include/exec/memory.h b/include/exec/memory.h index 14cda673f9..a3f988b640 100644 --- a/include/exec/memory.h +++ b/include/exec/memory.h @@ -174,10 +174,10 @@ struct MemoryRegionIOMMUOps { IOMMUTLBEntry (*translate)(MemoryRegion *iommu, hwaddr addr, bool is_write); /* Returns minimum supported page size */ uint64_t (*get_min_page_size)(MemoryRegion *iommu); - /* Called when the first notifier is set */ - void (*notify_started)(MemoryRegion *iommu); - /* Called when the last notifier is removed */ - void (*notify_stopped)(MemoryRegion *iommu); + /* Called when IOMMU Notifier flag changed */ + void (*notify_flag_changed)(MemoryRegion *iommu, + IOMMUNotifierFlag old_flags, + IOMMUNotifierFlag new_flags); }; typedef struct CoalescedMemoryRange CoalescedMemoryRange; @@ -223,6 +223,7 @@ struct MemoryRegion { unsigned ioeventfd_nb; MemoryRegionIoeventfd *ioeventfds; QLIST_HEAD(, IOMMUNotifier) iommu_notify; + IOMMUNotifierFlag iommu_notify_flags; }; /** |