qemu-kvm/SOURCES/kvm-vfio-spapr-Move-prereg_listener-into-spapr-container.patch

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2024-04-30 11:41:18 +00:00
From 17e6dad3e43e173147c0ca33f6f1f4f317a77d0b Mon Sep 17 00:00:00 2001
From: Zhenzhong Duan <zhenzhong.duan@intel.com>
Date: Thu, 2 Nov 2023 15:12:44 +0800
Subject: [PATCH 019/101] vfio/spapr: Move prereg_listener into spapr container
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
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: [18/67] dbea1b0b759e91b953271da92bba4ca6853bec82 (eauger1/centos-qemu-kvm)
No functional changes intended.
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 6ad359ec29af7f21dcb206c8edb26905a4925f80)
Signed-off-by: Eric Auger <eric.auger@redhat.com>
---
hw/vfio/spapr.c | 24 ++++++++++++++++--------
include/hw/vfio/vfio-common.h | 1 -
2 files changed, 16 insertions(+), 9 deletions(-)
diff --git a/hw/vfio/spapr.c b/hw/vfio/spapr.c
index 5be1911aad..68c3dd6c75 100644
--- a/hw/vfio/spapr.c
+++ b/hw/vfio/spapr.c
@@ -26,6 +26,7 @@
typedef struct VFIOSpaprContainer {
VFIOContainer container;
+ MemoryListener prereg_listener;
} VFIOSpaprContainer;
static bool vfio_prereg_listener_skipped_section(MemoryRegionSection *section)
@@ -48,8 +49,9 @@ static void *vfio_prereg_gpa_to_vaddr(MemoryRegionSection *section, hwaddr gpa)
static void vfio_prereg_listener_region_add(MemoryListener *listener,
MemoryRegionSection *section)
{
- VFIOContainer *container = container_of(listener, VFIOContainer,
- prereg_listener);
+ VFIOSpaprContainer *scontainer = container_of(listener, VFIOSpaprContainer,
+ prereg_listener);
+ VFIOContainer *container = &scontainer->container;
VFIOContainerBase *bcontainer = &container->bcontainer;
const hwaddr gpa = section->offset_within_address_space;
hwaddr end;
@@ -107,8 +109,9 @@ static void vfio_prereg_listener_region_add(MemoryListener *listener,
static void vfio_prereg_listener_region_del(MemoryListener *listener,
MemoryRegionSection *section)
{
- VFIOContainer *container = container_of(listener, VFIOContainer,
- prereg_listener);
+ VFIOSpaprContainer *scontainer = container_of(listener, VFIOSpaprContainer,
+ prereg_listener);
+ VFIOContainer *container = &scontainer->container;
const hwaddr gpa = section->offset_within_address_space;
hwaddr end;
int ret;
@@ -445,6 +448,8 @@ static void setup_spapr_ops(VFIOContainerBase *bcontainer)
int vfio_spapr_container_init(VFIOContainer *container, Error **errp)
{
VFIOContainerBase *bcontainer = &container->bcontainer;
+ VFIOSpaprContainer *scontainer = container_of(container, VFIOSpaprContainer,
+ container);
struct vfio_iommu_spapr_tce_info info;
bool v2 = container->iommu_type == VFIO_SPAPR_TCE_v2_IOMMU;
int ret, fd = container->fd;
@@ -463,9 +468,9 @@ int vfio_spapr_container_init(VFIOContainer *container, Error **errp)
return -errno;
}
} else {
- container->prereg_listener = vfio_prereg_listener;
+ scontainer->prereg_listener = vfio_prereg_listener;
- memory_listener_register(&container->prereg_listener,
+ memory_listener_register(&scontainer->prereg_listener,
&address_space_memory);
if (bcontainer->error) {
ret = -1;
@@ -513,7 +518,7 @@ int vfio_spapr_container_init(VFIOContainer *container, Error **errp)
listener_unregister_exit:
if (v2) {
- memory_listener_unregister(&container->prereg_listener);
+ memory_listener_unregister(&scontainer->prereg_listener);
}
return ret;
}
@@ -523,7 +528,10 @@ void vfio_spapr_container_deinit(VFIOContainer *container)
VFIOHostDMAWindow *hostwin, *next;
if (container->iommu_type == VFIO_SPAPR_TCE_v2_IOMMU) {
- memory_listener_unregister(&container->prereg_listener);
+ VFIOSpaprContainer *scontainer = container_of(container,
+ VFIOSpaprContainer,
+ container);
+ memory_listener_unregister(&scontainer->prereg_listener);
}
QLIST_FOREACH_SAFE(hostwin, &container->hostwin_list, hostwin_next,
next) {
diff --git a/include/hw/vfio/vfio-common.h b/include/hw/vfio/vfio-common.h
index 055f679363..ed6148c058 100644
--- a/include/hw/vfio/vfio-common.h
+++ b/include/hw/vfio/vfio-common.h
@@ -78,7 +78,6 @@ struct VFIOGroup;
typedef struct VFIOContainer {
VFIOContainerBase bcontainer;
int fd; /* /dev/vfio/vfio, empowered by the attached groups */
- MemoryListener prereg_listener;
unsigned iommu_type;
QLIST_HEAD(, VFIOHostDMAWindow) hostwin_list;
QLIST_HEAD(, VFIOGroup) group_list;
--
2.39.3