[PULL,03/42] vfio/container: Introduce TYPE_HOST_IOMMU_DEVICE_LEGACY_VFIO device

Commit Message

Cédric Le Goater June 24, 2024, 9:24 p.m. UTC

From: Zhenzhong Duan <[e-mail]>

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 <[e-mail]>
Suggested-by: Cédric Le Goater <[e-mail]>
Signed-off-by: Zhenzhong Duan <[e-mail]>
Reviewed-by: Eric Auger <[e-mail]>
Reviewed-by: Michael S. Tsirkin <[e-mail]>
---
 include/hw/vfio/vfio-common.h | 3 +++
 hw/vfio/container.c           | 5 ++++-
 2 files changed, 7 insertions(+), 1 deletion(-)

Patch

diff --git a/include/hw/vfio/vfio-common.h b/include/hw/vfio/vfio-common.h
index 4cb1ab8645dcdf604f3c2bb29328668fd5eb7284..75b167979ac221e59b2681b2704c03778823fbb0 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 @@  typedef struct VFIOGroup {
     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;
diff --git a/hw/vfio/container.c b/hw/vfio/container.c
index 096cc972586df14a4a68074b7038a9661b1558e2..c4fca2dfcab32781fb301181a1ef67238015a76f 100644
--- a/hw/vfio/container.c
+++ b/hw/vfio/container.c
@@ -1141,7 +1141,10 @@  static const TypeInfo types[] = {
         .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)