commit 0533739ecefbd3b820d32b576ad10dc6b0d56c29
author Zhenzhong Duan <zhenzhong.duan@intel.com> Wed Jun 05 16:30:29 2024 +0800
committer Cédric Le Goater <clg@redhat.com> Mon Jun 24 23:15:30 2024 +0200
tree c6c3903e32e8a53b94dac1893511c0f0999f7124
parent 38998c79a1831e23ffed4b8b6f76222c1fedb9d5

vfio/container: Introduce TYPE_HOST_IOMMU_DEVICE_LEGACY_VFIO device

TYPE_HOST_IOMMU_DEVICE_LEGACY_VFIO represents a host IOMMU device under
VFIO legacy container backend.

It will have its own realize implementation.

Suggested-by: Eric Auger <eric.auger@redhat.com>
Suggested-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>

hw/vfio/container.c

diff --git a/hw/vfio/container.c b/hw/vfio/container.c
index 096cc97..c4fca2d 100644
--- a/hw/vfio/container.c
+++ b/hw/vfio/container.c
@@ -1141,7 +1141,10 @@
         .name = TYPE_VFIO_IOMMU_LEGACY,
         .parent = TYPE_VFIO_IOMMU,
         .class_init = vfio_iommu_legacy_class_init,
-    },
+    }, {
+        .name = TYPE_HOST_IOMMU_DEVICE_LEGACY_VFIO,
+        .parent = TYPE_HOST_IOMMU_DEVICE,
+    }
 };
 
 DEFINE_TYPES(types)

include/hw/vfio/vfio-common.h

diff --git a/include/hw/vfio/vfio-common.h b/include/hw/vfio/vfio-common.h
index 4cb1ab8..75b1679 100644
--- a/include/hw/vfio/vfio-common.h
+++ b/include/hw/vfio/vfio-common.h
@@ -31,6 +31,7 @@
 #endif
 #include "sysemu/sysemu.h"
 #include "hw/vfio/vfio-container-base.h"
+#include "sysemu/host_iommu_device.h"
 
 #define VFIO_MSG_PREFIX "vfio %s: "
 
@@ -171,6 +172,8 @@
     bool ram_block_discard_allowed;
 } VFIOGroup;
 
+#define TYPE_HOST_IOMMU_DEVICE_LEGACY_VFIO TYPE_HOST_IOMMU_DEVICE "-legacy-vfio"
+
 typedef struct VFIODMABuf {
     QemuDmaBuf *buf;
     uint32_t pos_x, pos_y, pos_updates;