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[RFC,10/20] VFIO: notify vIOMMU emulator when device is assigned

Message ID 1493201210-14357-11-git-send-email-yi.l.liu@linux.intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Liu, Yi L April 26, 2017, 10:06 a.m. UTC 
With vIOMMU exposed to guest, notify vIOMMU emulator to record information
of this assigned device. This patch adds iommu_ops->record_device to record
the host bus/slot/function for this device. In future, it can be extended to
other info which is needed.

Signed-off-by: Liu, Yi L <yi.l.liu@linux.intel.com>
---
 hw/vfio/pci.c | 4 ++++
 1 file changed, 4 insertions(+)
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Patch

diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c
index 9e13472..a1e6942 100644
--- a/hw/vfio/pci.c
+++ b/hw/vfio/pci.c
@@ -2881,6 +2881,10 @@  static void vfio_realize(PCIDevice *pdev, Error **errp)
                                    subregion,
                                    0,
                                    &n1);
+
+            memory_region_notify_device_record(subregion,
+                                               &vdev->host);
+
         }
     }