The vfio-user container will later need to hook into these callbacks; set up vfio to use them, and optionally pass them through to the container.
Signed-off-by: John Levon <john.le...@nutanix.com> --- hw/vfio/common.c | 22 ++++++++++++++++++++++ include/hw/vfio/vfio-container-base.h | 2 ++ 2 files changed, 24 insertions(+) diff --git a/hw/vfio/common.c b/hw/vfio/common.c index 8eb2ed50dd..a18af7a94f 100644 --- a/hw/vfio/common.c +++ b/hw/vfio/common.c @@ -563,6 +563,26 @@ static bool vfio_get_section_iova_range(VFIOContainerBase *bcontainer, return true; } +static void vfio_listener_begin(MemoryListener *listener) +{ + VFIOContainerBase *bcontainer = container_of(listener, VFIOContainerBase, + listener); + + if (bcontainer->ops->listener_begin) { + (bcontainer->ops->listener_begin)(bcontainer); + } +} + +static void vfio_listener_commit(MemoryListener *listener) +{ + VFIOContainerBase *bcontainer = container_of(listener, VFIOContainerBase, + listener); + + if (bcontainer->ops->listener_commit) { + (bcontainer->ops->listener_commit)(bcontainer); + } +} + static void vfio_listener_region_add(MemoryListener *listener, MemoryRegionSection *section) { @@ -1382,6 +1402,8 @@ static void vfio_listener_log_sync(MemoryListener *listener, const MemoryListener vfio_memory_listener = { .name = "vfio", + .begin = vfio_listener_begin, + .commit = vfio_listener_commit, .region_add = vfio_listener_region_add, .region_del = vfio_listener_region_del, .log_global_start = vfio_listener_log_global_start, diff --git a/include/hw/vfio/vfio-container-base.h b/include/hw/vfio/vfio-container-base.h index 129e742643..e9b59c179e 100644 --- a/include/hw/vfio/vfio-container-base.h +++ b/include/hw/vfio/vfio-container-base.h @@ -111,6 +111,8 @@ struct VFIOIOMMUClass { /* basic feature */ bool (*setup)(VFIOContainerBase *bcontainer, Error **errp); + void (*listener_begin)(VFIOContainerBase *bcontainer); + void (*listener_commit)(VFIOContainerBase *bcontainer); int (*dma_map)(const VFIOContainerBase *bcontainer, hwaddr iova, ram_addr_t size, void *vaddr, bool readonly, MemoryRegion *mrp); -- 2.34.1