From: Eric Auger <eric.au...@redhat.com>
Move the giommu_list field in the base object and store the
base container in the VFIOGuestIOMMU.
We introduce vfio_container_init/destroy helper on the base
container.
No fucntional change intended.
Signed-off-by: Eric Auger <eric.au...@redhat.com>
Signed-off-by: Yi Liu <yi.l....@intel.com>
Signed-off-by: Yi Sun <yi.y....@linux.intel.com>
Signed-off-by: Zhenzhong Duan <zhenzhong.d...@intel.com>
[ clg: context changes ]
Signed-off-by: Cédric Le Goater <c...@redhat.com>
---
include/hw/vfio/vfio-common.h | 9 ---------
include/hw/vfio/vfio-container-base.h | 13 +++++++++++++
hw/vfio/common.c | 17 +++++++++++------
hw/vfio/container-base.c | 18 ++++++++++++++++++
hw/vfio/container.c | 13 +++----------
5 files changed, 45 insertions(+), 25 deletions(-)
diff --git a/include/hw/vfio/vfio-common.h b/include/hw/vfio/vfio-common.h
index 97056224f4..fcb4003a21 100644
--- a/include/hw/vfio/vfio-common.h
+++ b/include/hw/vfio/vfio-common.h
@@ -95,7 +95,6 @@ typedef struct VFIOContainer {
uint64_t max_dirty_bitmap_size;
unsigned long pgsizes;
unsigned int dma_max_mappings;
- QLIST_HEAD(, VFIOGuestIOMMU) giommu_list;
QLIST_HEAD(, VFIOHostDMAWindow) hostwin_list;
QLIST_HEAD(, VFIOGroup) group_list;
QLIST_HEAD(, VFIORamDiscardListener) vrdl_list;
@@ -104,14 +103,6 @@ typedef struct VFIOContainer {
GList *iova_ranges;
} VFIOContainer;
-typedef struct VFIOGuestIOMMU {
- VFIOContainer *container;
- IOMMUMemoryRegion *iommu_mr;
- hwaddr iommu_offset;
- IOMMUNotifier n;
- QLIST_ENTRY(VFIOGuestIOMMU) giommu_next;
-} VFIOGuestIOMMU;
-
typedef struct VFIORamDiscardListener {
VFIOContainer *container;
MemoryRegion *mr;
diff --git a/include/hw/vfio/vfio-container-base.h
b/include/hw/vfio/vfio-container-base.h
index 077e638ee8..71e1e4324e 100644
--- a/include/hw/vfio/vfio-container-base.h
+++ b/include/hw/vfio/vfio-container-base.h
@@ -43,8 +43,17 @@ typedef struct {
*/
typedef struct VFIOContainerBase {
const VFIOIOMMUOps *ops;
+ QLIST_HEAD(, VFIOGuestIOMMU) giommu_list;
} VFIOContainerBase;
+typedef struct VFIOGuestIOMMU {
+ VFIOContainerBase *bcontainer;
+ IOMMUMemoryRegion *iommu_mr;
+ hwaddr iommu_offset;
+ IOMMUNotifier n;
+ QLIST_ENTRY(VFIOGuestIOMMU) giommu_next;
+} VFIOGuestIOMMU;
+
int vfio_container_dma_map(VFIOContainerBase *bcontainer,
hwaddr iova, ram_addr_t size,
void *vaddr, bool readonly);
@@ -52,6 +61,10 @@ int vfio_container_dma_unmap(VFIOContainerBase *bcontainer,
hwaddr iova, ram_addr_t size,
IOMMUTLBEntry *iotlb);
+void vfio_container_init(VFIOContainerBase *bcontainer,
+ const VFIOIOMMUOps *ops);
+void vfio_container_destroy(VFIOContainerBase *bcontainer);
+
struct VFIOIOMMUOps {
/* basic feature */
int (*dma_map)(VFIOContainerBase *bcontainer,
diff --git a/hw/vfio/common.c b/hw/vfio/common.c
index 141f2b54a4..4f130ad87c 100644
--- a/hw/vfio/common.c
+++ b/hw/vfio/common.c
@@ -292,7 +292,7 @@ static bool vfio_get_xlat_addr(IOMMUTLBEntry *iotlb, void
**vaddr,
static void vfio_iommu_map_notify(IOMMUNotifier *n, IOMMUTLBEntry *iotlb)
{
VFIOGuestIOMMU *giommu = container_of(n, VFIOGuestIOMMU, n);
- VFIOContainerBase *bcontainer = &giommu->container->bcontainer;
+ VFIOContainerBase *bcontainer = giommu->bcontainer;
hwaddr iova = iotlb->iova + giommu->iommu_offset;
void *vaddr;
int ret;
@@ -569,6 +569,7 @@ static void vfio_listener_region_add(MemoryListener
*listener,
MemoryRegionSection *section)
{
VFIOContainer *container = container_of(listener, VFIOContainer, listener);
+ VFIOContainerBase *bcontainer = &container->bcontainer;
hwaddr iova, end;
Int128 llend, llsize;
void *vaddr;
@@ -613,7 +614,7 @@ static void vfio_listener_region_add(MemoryListener
*listener,
giommu->iommu_mr = iommu_mr;
giommu->iommu_offset = section->offset_within_address_space -
section->offset_within_region;
- giommu->container = container;
+ giommu->bcontainer = bcontainer;
llend = int128_add(int128_make64(section->offset_within_region),
section->size);
llend = int128_sub(llend, int128_one());
@@ -648,7 +649,7 @@ static void vfio_listener_region_add(MemoryListener
*listener,
g_free(giommu);
goto fail;
}
- QLIST_INSERT_HEAD(&container->giommu_list, giommu, giommu_next);
+ QLIST_INSERT_HEAD(&bcontainer->giommu_list, giommu, giommu_next);
memory_region_iommu_replay(giommu->iommu_mr, &giommu->n);
return;
@@ -733,6 +734,7 @@ static void vfio_listener_region_del(MemoryListener
*listener,
MemoryRegionSection *section)
{
VFIOContainer *container = container_of(listener, VFIOContainer, listener);
+ VFIOContainerBase *bcontainer = &container->bcontainer;
hwaddr iova, end;
Int128 llend, llsize;
int ret;
@@ -745,7 +747,7 @@ static void vfio_listener_region_del(MemoryListener
*listener,
if (memory_region_is_iommu(section->mr)) {
VFIOGuestIOMMU *giommu;
- QLIST_FOREACH(giommu, &container->giommu_list, giommu_next) {
+ QLIST_FOREACH(giommu, &bcontainer->giommu_list, giommu_next) {
if (MEMORY_REGION(giommu->iommu_mr) == section->mr &&
giommu->n.start == section->offset_within_region) {
memory_region_unregister_iommu_notifier(section->mr,
@@ -1208,7 +1210,9 @@ static void vfio_iommu_map_dirty_notify(IOMMUNotifier *n,
IOMMUTLBEntry *iotlb)
vfio_giommu_dirty_notifier *gdn = container_of(n,
vfio_giommu_dirty_notifier, n);
VFIOGuestIOMMU *giommu = gdn->giommu;
- VFIOContainer *container = giommu->container;
+ VFIOContainerBase *bcontainer = giommu->bcontainer;
+ VFIOContainer *container = container_of(bcontainer, VFIOContainer,
+ bcontainer);
hwaddr iova = iotlb->iova + giommu->iommu_offset;
ram_addr_t translated_addr;
int ret = -EINVAL;
@@ -1286,12 +1290,13 @@ static int
vfio_sync_ram_discard_listener_dirty_bitmap(VFIOContainer *container,
static int vfio_sync_dirty_bitmap(VFIOContainer *container,
MemoryRegionSection *section)
{
+ VFIOContainerBase *bcontainer = &container->bcontainer;
ram_addr_t ram_addr;
if (memory_region_is_iommu(section->mr)) {
VFIOGuestIOMMU *giommu;
- QLIST_FOREACH(giommu, &container->giommu_list, giommu_next) {
+ QLIST_FOREACH(giommu, &bcontainer->giommu_list, giommu_next) {
if (MEMORY_REGION(giommu->iommu_mr) == section->mr &&
giommu->n.start == section->offset_within_region) {
Int128 llend;
diff --git a/hw/vfio/container-base.c b/hw/vfio/container-base.c
index 9db8b89b2f..6be7ce65ad 100644
--- a/hw/vfio/container-base.c
+++ b/hw/vfio/container-base.c
@@ -47,3 +47,21 @@ int vfio_container_dma_unmap(VFIOContainerBase *bcontainer,
return bcontainer->ops->dma_unmap(bcontainer, iova, size, iotlb);
}
+
+void vfio_container_init(VFIOContainerBase *bcontainer, const VFIOIOMMUOps
*ops)
+{
+ bcontainer->ops = ops;
+ QLIST_INIT(&bcontainer->giommu_list);
+}
+
+void vfio_container_destroy(VFIOContainerBase *bcontainer)
+{
+ VFIOGuestIOMMU *giommu, *tmp;
+
+ QLIST_FOREACH_SAFE(giommu, &bcontainer->giommu_list, giommu_next, tmp) {
+ memory_region_unregister_iommu_notifier(
+ MEMORY_REGION(giommu->iommu_mr), &giommu->n);
+ QLIST_REMOVE(giommu, giommu_next);
+ g_free(giommu);
+ }
+}
diff --git a/hw/vfio/container.c b/hw/vfio/container.c
index c04df26323..b2b6e05287 100644
--- a/hw/vfio/container.c
+++ b/hw/vfio/container.c
@@ -556,10 +556,9 @@ static int vfio_connect_container(VFIOGroup *group,
AddressSpace *as,
container->dirty_pages_supported = false;
container->dma_max_mappings = 0;
container->iova_ranges = NULL;
- QLIST_INIT(&container->giommu_list);
QLIST_INIT(&container->vrdl_list);
bcontainer = &container->bcontainer;
- bcontainer->ops = &vfio_legacy_ops;
+ vfio_container_init(bcontainer, &vfio_legacy_ops);
ret = vfio_init_container(container, group->fd, errp);
if (ret) {
@@ -661,6 +660,7 @@ put_space_exit:
static void vfio_disconnect_container(VFIOGroup *group)
{
VFIOContainer *container = group->container;
+ VFIOContainerBase *bcontainer = &container->bcontainer;
QLIST_REMOVE(group, container_next);
group->container = NULL;
@@ -685,16 +685,9 @@ static void vfio_disconnect_container(VFIOGroup *group)
if (QLIST_EMPTY(&container->group_list)) {
VFIOAddressSpace *space = container->space;
- VFIOGuestIOMMU *giommu, *tmp;
QLIST_REMOVE(container, next);
-
- QLIST_FOREACH_SAFE(giommu, &container->giommu_list, giommu_next, tmp) {
- memory_region_unregister_iommu_notifier(
- MEMORY_REGION(giommu->iommu_mr), &giommu->n);
- QLIST_REMOVE(giommu, giommu_next);
- g_free(giommu);
- }
+ vfio_container_destroy(bcontainer);
trace_vfio_disconnect_container(container->fd);
close(container->fd);
--
2.34.1
