qemu-kvm/kvm-vfio-container-Move-dirty_pgsizes-and-max_dirty_bitm.patch

From 6a597d7c82a4538fa1f928db7e600ec2e5a44361 Mon Sep 17 00:00:00 2001
From: Eric Auger <eric.auger@redhat.com>
Date: Thu, 2 Nov 2023 15:12:39 +0800
Subject: [PATCH 014/101] vfio/container: Move dirty_pgsizes and
 max_dirty_bitmap_size to base container
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RH-Author: Eric Auger <eric.auger@redhat.com>
RH-MergeRequest: 211: IOMMUFD backend backport
RH-Jira: RHEL-19302 RHEL-21057
RH-Acked-by: Cédric Le Goater <clg@redhat.com>
RH-Acked-by: Sebastian Ott <sebott@redhat.com>
RH-Commit: [13/67] b9fe57174368e36788b017cc2ad13b748592cfc2 (eauger1/centos-qemu-kvm)

No functional change intended.

Signed-off-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Yi Liu <yi.l.liu@intel.com>
Signed-off-by: Yi Sun <yi.y.sun@linux.intel.com>
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
(cherry picked from commit 4d6b95010c59127ac4f7230d6ee88b5d0e99738c)
Signed-off-by: Eric Auger <eric.auger@redhat.com>
---
 hw/vfio/container.c                   | 9 +++++----
 include/hw/vfio/vfio-common.h         | 2 --
 include/hw/vfio/vfio-container-base.h | 2 ++
 3 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/hw/vfio/container.c b/hw/vfio/container.c
index 5c1dee8c9f..c8088a8174 100644
--- a/hw/vfio/container.c
+++ b/hw/vfio/container.c
@@ -64,6 +64,7 @@ static int vfio_dma_unmap_bitmap(VFIOContainer *container,
                                  hwaddr iova, ram_addr_t size,
                                  IOMMUTLBEntry *iotlb)
 {
+    VFIOContainerBase *bcontainer = &container->bcontainer;
     struct vfio_iommu_type1_dma_unmap *unmap;
     struct vfio_bitmap *bitmap;
     VFIOBitmap vbmap;
@@ -91,7 +92,7 @@ static int vfio_dma_unmap_bitmap(VFIOContainer *container,
     bitmap->size = vbmap.size;
     bitmap->data = (__u64 *)vbmap.bitmap;
 
-    if (vbmap.size > container->max_dirty_bitmap_size) {
+    if (vbmap.size > bcontainer->max_dirty_bitmap_size) {
         error_report("UNMAP: Size of bitmap too big 0x%"PRIx64, vbmap.size);
         ret = -E2BIG;
         goto unmap_exit;
@@ -131,7 +132,7 @@ static int vfio_legacy_dma_unmap(VFIOContainerBase *bcontainer, hwaddr iova,
 
     if (iotlb && vfio_devices_all_running_and_mig_active(bcontainer)) {
         if (!vfio_devices_all_device_dirty_tracking(bcontainer) &&
-            container->bcontainer.dirty_pages_supported) {
+            bcontainer->dirty_pages_supported) {
             return vfio_dma_unmap_bitmap(container, iova, size, iotlb);
         }
 
@@ -469,8 +470,8 @@ static void vfio_get_iommu_info_migration(VFIOContainer *container,
      */
     if (cap_mig->pgsize_bitmap & qemu_real_host_page_size()) {
         bcontainer->dirty_pages_supported = true;
-        container->max_dirty_bitmap_size = cap_mig->max_dirty_bitmap_size;
-        container->dirty_pgsizes = cap_mig->pgsize_bitmap;
+        bcontainer->max_dirty_bitmap_size = cap_mig->max_dirty_bitmap_size;
+        bcontainer->dirty_pgsizes = cap_mig->pgsize_bitmap;
     }
 }
 
diff --git a/include/hw/vfio/vfio-common.h b/include/hw/vfio/vfio-common.h
index 922022cbc6..b1c9fe711b 100644
--- a/include/hw/vfio/vfio-common.h
+++ b/include/hw/vfio/vfio-common.h
@@ -80,8 +80,6 @@ typedef struct VFIOContainer {
     int fd; /* /dev/vfio/vfio, empowered by the attached groups */
     MemoryListener prereg_listener;
     unsigned iommu_type;
-    uint64_t dirty_pgsizes;
-    uint64_t max_dirty_bitmap_size;
     QLIST_HEAD(, VFIOHostDMAWindow) hostwin_list;
     QLIST_HEAD(, VFIOGroup) group_list;
     GList *iova_ranges;
diff --git a/include/hw/vfio/vfio-container-base.h b/include/hw/vfio/vfio-container-base.h
index 95f8d319e0..80e4a993c5 100644
--- a/include/hw/vfio/vfio-container-base.h
+++ b/include/hw/vfio/vfio-container-base.h
@@ -39,6 +39,8 @@ typedef struct VFIOContainerBase {
     MemoryListener listener;
     Error *error;
     bool initialized;
+    uint64_t dirty_pgsizes;
+    uint64_t max_dirty_bitmap_size;
     unsigned long pgsizes;
     unsigned int dma_max_mappings;
     bool dirty_pages_supported;
-- 
2.39.3