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authorPeter Maydell <peter.maydell@linaro.org>2016-07-01 11:52:14 +0100
committerPeter Maydell <peter.maydell@linaro.org>2016-07-01 11:52:14 +0100
commit94e31093ff34ead50dc3970699a4e36582fb3f17 (patch)
tree3865f7b7a02e4049262df811b1c5102740e92edf /memory.c
parent1fb4c13e4f92bda047f30177d5b8c2b4ca42e8b8 (diff)
parent3cb3b1549f5401dc3a5e1d073e34063dc274136f (diff)
downloadfocaccia-qemu-94e31093ff34ead50dc3970699a4e36582fb3f17.tar.gz
focaccia-qemu-94e31093ff34ead50dc3970699a4e36582fb3f17.zip
Merge remote-tracking branch 'remotes/awilliam/tags/vfio-update-20160630.0' into staging
VFIO updates 2016-06-30

 - Fix VGA quirks (stable 2.6) (Alex Williamson)
 - Registering PCIe extended capabilities (Chen Fan)
 - Hide read-only SR-IOV capability from VM (Alex Williamson)
 - MemoryRegionIOMMUOps.notify_started/stopped (Alexey Kardashevskiy)
 - hw_error on intel_iommu notify_started  (Alex Williamson)

# gpg: Signature made Thu 30 Jun 2016 20:45:55 BST
# gpg:                using RSA key 0x239B9B6E3BB08B22
# gpg: Good signature from "Alex Williamson <alex.williamson@redhat.com>"
# gpg:                 aka "Alex Williamson <alex@shazbot.org>"
# gpg:                 aka "Alex Williamson <alwillia@redhat.com>"
# gpg:                 aka "Alex Williamson <alex.l.williamson@gmail.com>"
# Primary key fingerprint: 42F6 C04E 540B D1A9 9E7B  8A90 239B 9B6E 3BB0 8B22

* remotes/awilliam/tags/vfio-update-20160630.0:
  intel_iommu: Throw hw_error on notify_started
  memory: Add MemoryRegionIOMMUOps.notify_started/stopped callbacks
  vfio/pci: Hide SR-IOV capability
  vfio: add pcie extended capability support
  vfio/pci: Fix VGA quirks

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'memory.c')
-rw-r--r--memory.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/memory.c b/memory.c
index 8549c791d7..33799e810b 100644
--- a/memory.c
+++ b/memory.c
@@ -1499,6 +1499,10 @@ bool memory_region_is_logging(MemoryRegion *mr, uint8_t client)
 
 void memory_region_register_iommu_notifier(MemoryRegion *mr, Notifier *n)
 {
+    if (mr->iommu_ops->notify_started &&
+        QLIST_EMPTY(&mr->iommu_notify.notifiers)) {
+        mr->iommu_ops->notify_started(mr);
+    }
     notifier_list_add(&mr->iommu_notify, n);
 }
 
@@ -1532,9 +1536,13 @@ void memory_region_iommu_replay(MemoryRegion *mr, Notifier *n, bool is_write)
     }
 }
 
-void memory_region_unregister_iommu_notifier(Notifier *n)
+void memory_region_unregister_iommu_notifier(MemoryRegion *mr, Notifier *n)
 {
     notifier_remove(n);
+    if (mr->iommu_ops->notify_stopped &&
+        QLIST_EMPTY(&mr->iommu_notify.notifiers)) {
+        mr->iommu_ops->notify_stopped(mr);
+    }
 }
 
 void memory_region_notify_iommu(MemoryRegion *mr,