summary refs log tree commit diff stats
diff options
context:
space:
mode:
-rw-r--r--hw/vfio/common.c2
-rw-r--r--hw/vfio/pci.c1
-rw-r--r--include/hw/vfio/vfio-common.h2
3 files changed, 3 insertions, 2 deletions
diff --git a/hw/vfio/common.c b/hw/vfio/common.c
index 4ff8cab0df..9db7d8da17 100644
--- a/hw/vfio/common.c
+++ b/hw/vfio/common.c
@@ -493,7 +493,7 @@ int vfio_mmap_region(Object *obj, VFIORegion *region,
     int ret = 0;
     VFIODevice *vbasedev = region->vbasedev;
 
-    if (VFIO_ALLOW_MMAP && size && region->flags &
+    if (vbasedev->allow_mmap && size && region->flags &
         VFIO_REGION_INFO_FLAG_MMAP) {
         int prot = 0;
 
diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c
index 84e9d995aa..3c71de3023 100644
--- a/hw/vfio/pci.c
+++ b/hw/vfio/pci.c
@@ -3456,6 +3456,7 @@ static Property vfio_pci_dev_properties[] = {
     DEFINE_PROP_BIT("x-vga", VFIOPCIDevice, features,
                     VFIO_FEATURE_ENABLE_VGA_BIT, false),
     DEFINE_PROP_INT32("bootindex", VFIOPCIDevice, bootindex, -1),
+    DEFINE_PROP_BOOL("x-mmap", VFIOPCIDevice, vbasedev.allow_mmap, true),
     /*
      * TODO - support passed fds... is this necessary?
      * DEFINE_PROP_STRING("vfiofd", VFIOPCIDevice, vfiofd_name),
diff --git a/include/hw/vfio/vfio-common.h b/include/hw/vfio/vfio-common.h
index 3d3892cdf4..0d1fb805bb 100644
--- a/include/hw/vfio/vfio-common.h
+++ b/include/hw/vfio/vfio-common.h
@@ -36,7 +36,6 @@
 #endif
 
 /* Extra debugging, trap acceleration paths for more logging */
-#define VFIO_ALLOW_MMAP 1
 #define VFIO_ALLOW_KVM_INTX 1
 #define VFIO_ALLOW_KVM_MSI 1
 #define VFIO_ALLOW_KVM_MSIX 1
@@ -102,6 +101,7 @@ typedef struct VFIODevice {
     int type;
     bool reset_works;
     bool needs_reset;
+    bool allow_mmap;
     VFIODeviceOps *ops;
     unsigned int num_irqs;
     unsigned int num_regions;