Merge remote-tracking branch 'remotes/awilliam/tags/vfio-update-20180206.0' into staging

VFIO updates 2018-02-06

 - SPAPR in-kernel TCE accleration (Alexey Kardashevskiy)

 - MSI-X relocation (Alex Williamson)

 - Add missing platform mutex init (Eric Auger)

 - Redundant variable cleanup (Alexey Kardashevskiy)

 - Option to disable GeForce quirks (Alex Williamson)

# gpg: Signature made Tue 06 Feb 2018 18:21:22 GMT
# gpg:                using RSA key 239B9B6E3BB08B22
# 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-20180206.0:
  vfio/pci: Add option to disable GeForce quirks
  vfio/common: Remove redundant copy of local variable
  hw/vfio/platform: Init the interrupt mutex
  vfio/pci: Allow relocating MSI-X MMIO
  qapi: Create DEFINE_PROP_OFF_AUTO_PCIBAR
  vfio/pci: Emulate BARs
  vfio/pci: Add base BAR MemoryRegion
  vfio/pci: Fixup VFIOMSIXInfo comment
  spapr/iommu: Enable in-kernel TCE acceleration via VFIO KVM device
  vfio/spapr: Use iommu memory region's get_attr()
  memory/iommu: Add get_attr()

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 13 insertions, 0 deletions

diff --git a/memory.c b/memory.c
index 449a1429b9..a4c603730a 100644
--- a/memory.c
+++ b/memory.c
@@ -1922,6 +1922,19 @@ void memory_region_notify_iommu(IOMMUMemoryRegion *iommu_mr,
     }
 }
 
+int memory_region_iommu_get_attr(IOMMUMemoryRegion *iommu_mr,
+                                 enum IOMMUMemoryRegionAttr attr,
+                                 void *data)
+{
+    IOMMUMemoryRegionClass *imrc = IOMMU_MEMORY_REGION_GET_CLASS(iommu_mr);
+
+    if (!imrc->get_attr) {
+        return -EINVAL;
+    }
+
+    return imrc->get_attr(iommu_mr, attr, data);
+}
+
 void memory_region_set_log(MemoryRegion *mr, bool log, unsigned client)
 {
     uint8_t mask = 1 << client;