Merge tag 'pull-vfio-20250715' of https://github.com/legoater/qemu into staging

vfio queue:

* Fixed vfio-user issues reported by Coverity
* Tweaked VFIO migration with multifd to support aarch64
* Introduced a property to override a device PCI class code

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# gpg:                using RSA key A0F66548F04895EBFE6B0B6051A343C7CFFBECA1
# gpg: Good signature from "Cédric Le Goater <clg@redhat.com>" [full]
# gpg:                 aka "Cédric Le Goater <clg@kaod.org>" [full]
# Primary key fingerprint: A0F6 6548 F048 95EB FE6B  0B60 51A3 43C7 CFFB ECA1

* tag 'pull-vfio-20250715' of https://github.com/legoater/qemu:
  vfio/migration: Max in-flight VFIO device state buffers size limit
  vfio/migration: Add x-migration-load-config-after-iter VFIO property
  vfio/pci: Introduce x-pci-class-code option
  hw/vfio-user: fix use of uninitialized variable
  hw/vfio-user: wait for proxy close correctly
  hw/vfio: fix region fd initialization
  hw/vfio-user: add Cédric Le Goater as a maintainer

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

1 files changed, 17 insertions, 0 deletions

diff --git a/hw/vfio/helpers.c b/hw/vfio/helpers.c
index 9a5f621545..23d13e5db5 100644
--- a/hw/vfio/helpers.c
+++ b/hw/vfio/helpers.c
@@ -209,3 +209,20 @@ retry:
 
     return info;
 }
+
+bool vfio_arch_wants_loading_config_after_iter(void)
+{
+    /*
+     * Starting the config load only after all iterables were loaded (during
+     * non-iterables loading phase) is required for ARM64 due to this platform
+     * VFIO dependency on interrupt controller being loaded first.
+     *
+     * See commit d329f5032e17 ("vfio: Move the saving of the config space to
+     * the right place in VFIO migration").
+     */
+#if defined(TARGET_ARM)
+    return true;
+#else
+    return false;
+#endif
+}