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| author | Peter Xu <peterx@redhat.com> | 2017-04-07 18:59:10 +0800 |
|---|---|---|
| committer | Eduardo Habkost <ehabkost@redhat.com> | 2017-04-20 15:22:41 -0300 |
| commit | bd2bfa4c52e5f4dc6dbaa5be0521aedc31cb53d9 (patch) | |
| tree | 792518e8d0da4a632fdb2462f5f92865cd03c332 /include/exec/memory.h | |
| parent | de472e4a92f780d02b894001e004f4b4a350ec38 (diff) | |
| download | qemu-bd2bfa4c52e5f4dc6dbaa5be0521aedc31cb53d9.tar.gz | |
memory: introduce memory_region_notify_one()
Generalizing the notify logic in memory_region_notify_iommu() into a
single function. This can be further used in customized replay()
functions for IOMMUs.
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: \"Michael S. Tsirkin\" <mst@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <1491562755-23867-5-git-send-email-peterx@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Diffstat (limited to 'include/exec/memory.h')
| -rw-r--r-- | include/exec/memory.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/exec/memory.h b/include/exec/memory.h index fb7dff3405..055b3a8b23 100644 --- a/include/exec/memory.h +++ b/include/exec/memory.h @@ -688,6 +688,21 @@ void memory_region_notify_iommu(MemoryRegion *mr, IOMMUTLBEntry entry); /** + * memory_region_notify_one: notify a change in an IOMMU translation + * entry to a single notifier + * + * This works just like memory_region_notify_iommu(), but it only + * notifies a specific notifier, not all of them. + * + * @notifier: the notifier to be notified + * @entry: the new entry in the IOMMU translation table. The entry + * replaces all old entries for the same virtual I/O address range. + * Deleted entries have .@perm == 0. + */ +void memory_region_notify_one(IOMMUNotifier *notifier, + IOMMUTLBEntry *entry); + +/** * memory_region_register_iommu_notifier: register a notifier for changes to * IOMMU translation entries. * |