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hw/vfio/cpr-legacy.c: use QOM casts where appropriate

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Use QOM casts to convert between VFIOContainer and VFIOContainerBase instead
of accessing bcontainer directly.

Signed-off-by: Mark Cave-Ayland <mark.caveayland@nutanix.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Steve Sistare <steven.sistare@oracle.com>
Link: https://lore.kernel.org/qemu-devel/20250715093110.107317-4-mark.caveayland@nutanix.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>
This commit is contained in:
Mark Cave-Ayland
2025-09-08 16:46:31 +02:00
committed by Cédric Le Goater
parent 98c12de5ae
commit 5255ba39b1
1 changed files with 7 additions and 7 deletions
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hw/vfio/cpr-legacy.c
+7 -7
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@@ -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);