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authorJohn Levon <john.levon@nutanix.com>2025-06-25 20:29:55 +0100
committerCédric Le Goater <clg@redhat.com>2025-06-26 08:55:38 +0200
commit0b3d881a061b284a3db00d7fe9d33581fb424287 (patch)
tree7e09d9994de840e198064ce906e3aaf1f35b1761 /hw/vfio-user/pci.c
parent438d863f1f40fbc2b57bf94cc6c998a6445c0932 (diff)
downloadfocaccia-qemu-0b3d881a061b284a3db00d7fe9d33581fb424287.tar.gz
focaccia-qemu-0b3d881a061b284a3db00d7fe9d33581fb424287.zip
vfio-user: implement message receive infrastructure
Add the basic implementation for receiving vfio-user messages from the
control socket.

Originally-by: John Johnson <john.g.johnson@oracle.com>
Signed-off-by: Elena Ufimtseva <elena.ufimtseva@oracle.com>
Signed-off-by: Jagannathan Raman <jag.raman@oracle.com>
Signed-off-by: John Levon <john.levon@nutanix.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Link: https://lore.kernel.org/qemu-devel/20250625193012.2316242-4-john.levon@nutanix.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Diffstat (limited to 'hw/vfio-user/pci.c')
-rw-r--r--hw/vfio-user/pci.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/hw/vfio-user/pci.c b/hw/vfio-user/pci.c
index 642421e791..bad2829f5c 100644
--- a/hw/vfio-user/pci.c
+++ b/hw/vfio-user/pci.c
@@ -23,6 +23,16 @@ struct VFIOUserPCIDevice {
 };
 
 /*
+ * Incoming request message callback.
+ *
+ * Runs off main loop, so BQL held.
+ */
+static void vfio_user_pci_process_req(void *opaque, VFIOUserMsg *msg)
+{
+
+}
+
+/*
  * Emulated devices don't use host hot reset
  */
 static void vfio_user_compute_needs_reset(VFIODevice *vbasedev)
@@ -80,6 +90,7 @@ static void vfio_user_pci_realize(PCIDevice *pdev, Error **errp)
         return;
     }
     vbasedev->proxy = proxy;
+    vfio_user_set_handler(vbasedev, vfio_user_pci_process_req, vdev);
 
     /*
      * vfio-user devices are effectively mdevs (don't use a host iommu).