[PATCH v3 20/37] vfio/spapr: switch to spapr IOMMU BE add/del_section_window

[Zhenzhong Duan <zhenzhong.duan@intel.com>]

No fucntional change intended.

Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
---
 include/hw/vfio/vfio-common.h         |  5 -----
 include/hw/vfio/vfio-container-base.h |  5 +++++
 hw/vfio/common.c                      |  8 ++------
 hw/vfio/container-base.c              | 23 ++++++++++++++++++++++-
 hw/vfio/spapr.c                       | 22 ++++++++++++++++------
 5 files changed, 45 insertions(+), 18 deletions(-)

diff --git a/include/hw/vfio/vfio-common.h b/include/hw/vfio/vfio-common.h
index a74e60e677..1489b49d71 100644
--- a/include/hw/vfio/vfio-common.h
+++ b/include/hw/vfio/vfio-common.h
@@ -177,11 +177,6 @@ typedef struct VFIOIOMMUSpaprOps {
                        MemoryRegionSection *section);
 } VFIOIOMMUSpaprOps;
 
-int vfio_container_add_section_window(VFIOContainer *container,
-                                      MemoryRegionSection *section,
-                                      Error **errp);
-void vfio_container_del_section_window(VFIOContainer *container,
-                                       MemoryRegionSection *section);
 bool vfio_spapr_container_init(VFIOContainer *container, Error **errp);
 void vfio_spapr_container_deinit(VFIOContainer *container);
 
diff --git a/include/hw/vfio/vfio-container-base.h b/include/hw/vfio/vfio-container-base.h
index 1e1854d24f..88463bcf24 100644
--- a/include/hw/vfio/vfio-container-base.h
+++ b/include/hw/vfio/vfio-container-base.h
@@ -91,6 +91,11 @@ int vfio_container_dma_map(VFIOContainerBase *bcontainer,
 int vfio_container_dma_unmap(VFIOContainerBase *bcontainer,
                              hwaddr iova, ram_addr_t size,
                              IOMMUTLBEntry *iotlb);
+int vfio_container_add_section_window(VFIOContainerBase *bcontainer,
+                                      MemoryRegionSection *section,
+                                      Error **errp);
+void vfio_container_del_section_window(VFIOContainerBase *bcontainer,
+                                       MemoryRegionSection *section);
 int vfio_container_set_dirty_page_tracking(VFIOContainerBase *bcontainer,
                                            bool start);
 int vfio_container_query_dirty_bitmap(VFIOContainerBase *bcontainer,
diff --git a/hw/vfio/common.c b/hw/vfio/common.c
index 64565b4ae9..41a5609e33 100644
--- a/hw/vfio/common.c
+++ b/hw/vfio/common.c
@@ -571,8 +571,6 @@ static void vfio_listener_region_add(MemoryListener *listener,
 {
     VFIOContainerBase *bcontainer = container_of(listener, VFIOContainerBase,
                                                  listener);
-    VFIOContainer *container = container_of(bcontainer, VFIOContainer,
-                                            bcontainer);
     hwaddr iova, end;
     Int128 llend, llsize;
     void *vaddr;
@@ -596,7 +594,7 @@ static void vfio_listener_region_add(MemoryListener *listener,
         return;
     }
 
-    if (vfio_container_add_section_window(container, section, &err)) {
+    if (vfio_container_add_section_window(bcontainer, section, &err)) {
         goto fail;
     }
 
@@ -739,8 +737,6 @@ static void vfio_listener_region_del(MemoryListener *listener,
 {
     VFIOContainerBase *bcontainer = container_of(listener, VFIOContainerBase,
                                                  listener);
-    VFIOContainer *container = container_of(bcontainer, VFIOContainer,
-                                            bcontainer);
     hwaddr iova, end;
     Int128 llend, llsize;
     int ret;
@@ -820,7 +816,7 @@ static void vfio_listener_region_del(MemoryListener *listener,
 
     memory_region_unref(section->mr);
 
-    vfio_container_del_section_window(container, section);
+    vfio_container_del_section_window(bcontainer, section);
 }
 
 typedef struct VFIODirtyRanges {
diff --git a/hw/vfio/container-base.c b/hw/vfio/container-base.c
index 6363ed3552..2efb26cfe4 100644
--- a/hw/vfio/container-base.c
+++ b/hw/vfio/container-base.c
@@ -24,7 +24,7 @@
 #include "qemu/osdep.h"
 #include "qapi/error.h"
 #include "qemu/error-report.h"
-#include "hw/vfio/vfio-container-base.h"
+#include "hw/vfio/vfio-common.h"
 
 int vfio_container_dma_map(VFIOContainerBase *bcontainer,
                            hwaddr iova, ram_addr_t size,
@@ -48,6 +48,27 @@ int vfio_container_dma_unmap(VFIOContainerBase *bcontainer,
     return bcontainer->ops->dma_unmap(bcontainer, iova, size, iotlb);
 }
 
+int vfio_container_add_section_window(VFIOContainerBase *bcontainer,
+                                      MemoryRegionSection *section,
+                                      Error **errp)
+{
+    if (!bcontainer->spapr_ops || !bcontainer->spapr_ops->add_window) {
+        return 0;
+    }
+
+    return bcontainer->spapr_ops->add_window(bcontainer, section, errp);
+}
+
+void vfio_container_del_section_window(VFIOContainerBase *bcontainer,
+                                       MemoryRegionSection *section)
+{
+    if (!bcontainer->spapr_ops || !bcontainer->spapr_ops->del_window) {
+        return;
+    }
+
+    return bcontainer->spapr_ops->del_window(bcontainer, section);
+}
+
 int vfio_container_set_dirty_page_tracking(VFIOContainerBase *bcontainer,
                                            bool start)
 {
diff --git a/hw/vfio/spapr.c b/hw/vfio/spapr.c
index 3739004151..43e32e544b 100644
--- a/hw/vfio/spapr.c
+++ b/hw/vfio/spapr.c
@@ -302,10 +302,13 @@ static int vfio_spapr_create_window(VFIOContainer *container,
     return 0;
 }
 
-int vfio_container_add_section_window(VFIOContainer *container,
-                                      MemoryRegionSection *section,
-                                      Error **errp)
+static int
+vfio_spapr_container_add_section_window(VFIOContainerBase *bcontainer,
+                                        MemoryRegionSection *section,
+                                        Error **errp)
 {
+    VFIOContainer *container = container_of(bcontainer, VFIOContainer,
+                                            bcontainer);
     VFIOHostDMAWindow *hostwin;
     hwaddr pgsize = 0;
     int ret;
@@ -370,9 +373,13 @@ int vfio_container_add_section_window(VFIOContainer *container,
     return 0;
 }
 
-void vfio_container_del_section_window(VFIOContainer *container,
-                                       MemoryRegionSection *section)
+static void
+vfio_spapr_container_del_section_window(VFIOContainerBase *bcontainer,
+                                        MemoryRegionSection *section)
 {
+    VFIOContainer *container = container_of(bcontainer, VFIOContainer,
+                                            bcontainer);
+
     if (container->iommu_type != VFIO_SPAPR_TCE_v2_IOMMU) {
         return;
     }
@@ -388,7 +395,10 @@ void vfio_container_del_section_window(VFIOContainer *container,
     }
 }
 
-const VFIOIOMMUSpaprOps vfio_iommu_spapr_ops;
+const VFIOIOMMUSpaprOps vfio_iommu_spapr_ops = {
+    .add_window = vfio_spapr_container_add_section_window,
+    .del_window = vfio_spapr_container_del_section_window,
+};
 
 bool vfio_spapr_container_init(VFIOContainer *container, Error **errp)
 {
-- 
2.34.1