Merge tag 'pull-vfio-20250908' of https://github.com/legoater/qemu into staging

vfio queue:

* Large refactor of the VFIO code to use QOM casts and follow the
  current coding style guidelines
* Removal of the deprecated vfio-platform, vfio-calxeda-xgmac and
  vfio-amd-xgbe devices
* Fail with error if dma_max_mappings limit is hit
* Added 'x-pci-class-code' property to vfio-user-pci device
* Added a new helper to retrieve a VFIOPCIDevice from a VFIODevice
* Fixed IGD OpRegion detection

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# Primary key fingerprint: A0F6 6548 F048 95EB FE6B  0B60 51A3 43C7 CFFB ECA1

* tag 'pull-vfio-20250908' of https://github.com/legoater/qemu: (31 commits)
  vfio/pci.h: rename VFIOPCIDevice pdev field to parent_obj
  s390x/s390-pci-vfio.c: use QOM casts where appropriate
  vfio-user/pci.c: use QOM casts where appropriate
  vfio/igd.c: use QOM casts where appropriate
  vfio/cpr.c: use QOM casts where appropriate
  vfio/pci-quirks.c: use QOM casts where appropriate
  vfio/pci.c: use QOM casts where appropriate
  vfio/pci.h: update VFIOPCIDevice declaration
  vfio-user/pci.c: rename VFIOUserPCIDevice device field to parent_obj
  vfio-user/pci.c: use QOM casts where appropriate
  vfio-user/pci.c: update VFIOUserPCIDevice declaration
  vfio-user/container.h: rename VFIOUserContainer bcontainer field to parent_obj
  vfio/container.c: use QOM casts where appropriate
  vfio-user/container.h: update VFIOUserContainer declaration
  vfio/vfio-container.h: rename VFIOContainer bcontainer field to parent_obj
  vfio/spapr.c: use QOM casts where appropriate
  ppc/spapr_pci_vfio.c: use QOM casts where appropriate
  hw/vfio/container.c: use QOM casts where appropriate
  hw/vfio/cpr-legacy.c: use QOM casts where appropriate
  vfio/vfio-container.h: update VFIOContainer declaration
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 7 insertions, 7 deletions

diff --git a/hw/vfio/cpr-legacy.c b/hw/vfio/cpr-legacy.c
index 553b203e9b..8f437194fa 100644
--- a/hw/vfio/cpr-legacy.c
+++ b/hw/vfio/cpr-legacy.c
@@ -41,8 +41,8 @@ static int vfio_legacy_cpr_dma_map(const VFIOContainerBase *bcontainer,
                                    hwaddr iova, ram_addr_t size, void *vaddr,
                                    bool readonly, MemoryRegion *mr)
 {
-    const VFIOContainer *container = container_of(bcontainer, VFIOContainer,
-                                                  bcontainer);
+    const VFIOContainer *container = VFIO_IOMMU_LEGACY(bcontainer);
+
     struct vfio_iommu_type1_dma_map map = {
         .argsz = sizeof(map),
         .flags = VFIO_DMA_MAP_FLAG_VADDR,
@@ -65,7 +65,7 @@ static void vfio_region_remap(MemoryListener *listener,
 {
     VFIOContainer *container = container_of(listener, VFIOContainer,
                                             cpr.remap_listener);
-    vfio_container_region_add(&container->bcontainer, section, true);
+    vfio_container_region_add(VFIO_IOMMU(container), section, true);
 }
 
 static bool vfio_cpr_supported(VFIOContainer *container, Error **errp)
@@ -98,7 +98,7 @@ static int vfio_container_pre_save(void *opaque)
 static int vfio_container_post_load(void *opaque, int version_id)
 {
     VFIOContainer *container = opaque;
-    VFIOContainerBase *bcontainer = &container->bcontainer;
+    VFIOContainerBase *bcontainer = VFIO_IOMMU(container);
     VFIOIOMMUClass *vioc = VFIO_IOMMU_GET_CLASS(bcontainer);
     dma_map_fn saved_dma_map = vioc->dma_map;
     Error *local_err = NULL;
@@ -135,7 +135,7 @@ static int vfio_cpr_fail_notifier(NotifierWithReturn *notifier,
 {
     VFIOContainer *container =
         container_of(notifier, VFIOContainer, cpr.transfer_notifier);
-    VFIOContainerBase *bcontainer = &container->bcontainer;
+    VFIOContainerBase *bcontainer = VFIO_IOMMU(container);
 
     if (e->type != MIG_EVENT_PRECOPY_FAILED) {
         return 0;
@@ -167,7 +167,7 @@ static int vfio_cpr_fail_notifier(NotifierWithReturn *notifier,
 
 bool vfio_legacy_cpr_register_container(VFIOContainer *container, Error **errp)
 {
-    VFIOContainerBase *bcontainer = &container->bcontainer;
+    VFIOContainerBase *bcontainer = VFIO_IOMMU(container);
     Error **cpr_blocker = &container->cpr.blocker;
 
     migration_add_notifier_mode(&bcontainer->cpr_reboot_notifier,
@@ -191,7 +191,7 @@ bool vfio_legacy_cpr_register_container(VFIOContainer *container, Error **errp)
 
 void vfio_legacy_cpr_unregister_container(VFIOContainer *container)
 {
-    VFIOContainerBase *bcontainer = &container->bcontainer;
+    VFIOContainerBase *bcontainer = VFIO_IOMMU(container);
 
     migration_remove_notifier(&bcontainer->cpr_reboot_notifier);
     migrate_del_blocker(&container->cpr.blocker);