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a="372563318" X-IronPort-AV: E=Sophos;i="6.03,253,1694761200"; d="scan'208";a="372563318" X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.03,253,1694761200"; d="scan'208";a="463647" From: Zhenzhong Duan To: qemu-devel@nongnu.org Cc: alex.williamson@redhat.com, clg@redhat.com, jgg@nvidia.com, nicolinc@nvidia.com, joao.m.martins@oracle.com, eric.auger@redhat.com, peterx@redhat.com, jasowang@redhat.com, kevin.tian@intel.com, yi.l.liu@intel.com, yi.y.sun@intel.com, chao.p.peng@intel.com, Yi Sun , Zhenzhong Duan Subject: [PATCH v3 11/37] vfio/container: Switch to IOMMU BE set_dirty_page_tracking/query_dirty_bitmap API Date: Thu, 26 Oct 2023 18:30:38 +0800 Message-Id: <20231026103104.1686921-12-zhenzhong.duan@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231026103104.1686921-1-zhenzhong.duan@intel.com> References: <20231026103104.1686921-1-zhenzhong.duan@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=134.134.136.126; envelope-from=zhenzhong.duan@intel.com; helo=mgamail.intel.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @intel.com) X-ZM-MESSAGEID: 1698317262655100001 From: Eric Auger dirty_pages_supported field is also moved to the base container No fucntional change intended. Signed-off-by: Eric Auger Signed-off-by: Yi Liu Signed-off-by: Yi Sun Signed-off-by: Zhenzhong Duan Signed-off-by: C=C3=A9dric Le Goater --- include/hw/vfio/vfio-common.h | 6 ------ include/hw/vfio/vfio-container-base.h | 6 ++++++ hw/vfio/common.c | 12 ++++++++---- hw/vfio/container-base.c | 23 +++++++++++++++++++++++ hw/vfio/container.c | 21 ++++++++++++++------- 5 files changed, 51 insertions(+), 17 deletions(-) diff --git a/include/hw/vfio/vfio-common.h b/include/hw/vfio/vfio-common.h index 857d2b8076..d053c61872 100644 --- a/include/hw/vfio/vfio-common.h +++ b/include/hw/vfio/vfio-common.h @@ -83,7 +83,6 @@ typedef struct VFIOContainer { unsigned iommu_type; Error *error; bool initialized; - bool dirty_pages_supported; uint64_t dirty_pgsizes; uint64_t max_dirty_bitmap_size; unsigned long pgsizes; @@ -190,11 +189,6 @@ VFIOAddressSpace *vfio_get_address_space(AddressSpace = *as); void vfio_put_address_space(VFIOAddressSpace *space); bool vfio_devices_all_running_and_saving(VFIOContainer *container); =20 -/* container->fd */ -int vfio_set_dirty_page_tracking(VFIOContainer *container, bool start); -int vfio_query_dirty_bitmap(VFIOContainer *container, VFIOBitmap *vbmap, - hwaddr iova, hwaddr size); - /* SPAPR specific */ int vfio_container_add_section_window(VFIOContainer *container, MemoryRegionSection *section, diff --git a/include/hw/vfio/vfio-container-base.h b/include/hw/vfio/vfio-c= ontainer-base.h index a5fef3e6a8..ea8436a064 100644 --- a/include/hw/vfio/vfio-container-base.h +++ b/include/hw/vfio/vfio-container-base.h @@ -50,6 +50,7 @@ typedef struct VFIOAddressSpace { typedef struct VFIOContainerBase { const VFIOIOMMUOps *ops; VFIOAddressSpace *space; + bool dirty_pages_supported; QLIST_HEAD(, VFIOGuestIOMMU) giommu_list; QLIST_ENTRY(VFIOContainerBase) next; } VFIOContainerBase; @@ -68,6 +69,11 @@ 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_set_dirty_page_tracking(VFIOContainerBase *bcontainer, + bool start); +int vfio_container_query_dirty_bitmap(VFIOContainerBase *bcontainer, + VFIOBitmap *vbmap, + hwaddr iova, hwaddr size); =20 void vfio_container_init(VFIOContainerBase *bcontainer, VFIOAddressSpace *space, diff --git a/hw/vfio/common.c b/hw/vfio/common.c index f87a0dcec3..7d9b87fc67 100644 --- a/hw/vfio/common.c +++ b/hw/vfio/common.c @@ -1081,7 +1081,8 @@ static void vfio_listener_log_global_start(MemoryList= ener *listener) if (vfio_devices_all_device_dirty_tracking(container)) { ret =3D vfio_devices_dma_logging_start(container); } else { - ret =3D vfio_set_dirty_page_tracking(container, true); + ret =3D vfio_container_set_dirty_page_tracking(&container->bcontai= ner, + true); } =20 if (ret) { @@ -1099,7 +1100,8 @@ static void vfio_listener_log_global_stop(MemoryListe= ner *listener) if (vfio_devices_all_device_dirty_tracking(container)) { vfio_devices_dma_logging_stop(container); } else { - ret =3D vfio_set_dirty_page_tracking(container, false); + ret =3D vfio_container_set_dirty_page_tracking(&container->bcontai= ner, + false); } =20 if (ret) { @@ -1167,7 +1169,8 @@ int vfio_get_dirty_bitmap(VFIOContainer *container, u= int64_t iova, VFIOBitmap vbmap; int ret; =20 - if (!container->dirty_pages_supported && !all_device_dirty_tracking) { + if (!container->bcontainer.dirty_pages_supported && + !all_device_dirty_tracking) { cpu_physical_memory_set_dirty_range(ram_addr, size, tcg_enabled() ? DIRTY_CLIENTS_= ALL : DIRTY_CLIENTS_NOCODE); @@ -1182,7 +1185,8 @@ int vfio_get_dirty_bitmap(VFIOContainer *container, u= int64_t iova, if (all_device_dirty_tracking) { ret =3D vfio_devices_query_dirty_bitmap(container, &vbmap, iova, s= ize); } else { - ret =3D vfio_query_dirty_bitmap(container, &vbmap, iova, size); + ret =3D vfio_container_query_dirty_bitmap(&container->bcontainer, = &vbmap, + iova, size); } =20 if (ret) { diff --git a/hw/vfio/container-base.c b/hw/vfio/container-base.c index 99b2957d7b..a7cf517dd2 100644 --- a/hw/vfio/container-base.c +++ b/hw/vfio/container-base.c @@ -48,11 +48,34 @@ int vfio_container_dma_unmap(VFIOContainerBase *bcontai= ner, return bcontainer->ops->dma_unmap(bcontainer, iova, size, iotlb); } =20 +int vfio_container_set_dirty_page_tracking(VFIOContainerBase *bcontainer, + bool start) +{ + /* Fallback to all pages dirty if dirty page sync isn't supported */ + if (!bcontainer->ops->set_dirty_page_tracking) { + return 0; + } + + return bcontainer->ops->set_dirty_page_tracking(bcontainer, start); +} + +int vfio_container_query_dirty_bitmap(VFIOContainerBase *bcontainer, + VFIOBitmap *vbmap, + hwaddr iova, hwaddr size) +{ + if (!bcontainer->ops->query_dirty_bitmap) { + return -EINVAL; + } + + return bcontainer->ops->query_dirty_bitmap(bcontainer, vbmap, iova, si= ze); +} + void vfio_container_init(VFIOContainerBase *bcontainer, VFIOAddressSpace *= space, const VFIOIOMMUOps *ops) { bcontainer->ops =3D ops; bcontainer->space =3D space; + bcontainer->dirty_pages_supported =3D false; QLIST_INIT(&bcontainer->giommu_list); } =20 diff --git a/hw/vfio/container.c b/hw/vfio/container.c index 761310fa51..6f02ca133e 100644 --- a/hw/vfio/container.c +++ b/hw/vfio/container.c @@ -131,7 +131,7 @@ static int vfio_legacy_dma_unmap(VFIOContainerBase *bco= ntainer, hwaddr iova, =20 if (iotlb && vfio_devices_all_running_and_mig_active(container)) { if (!vfio_devices_all_device_dirty_tracking(container) && - container->dirty_pages_supported) { + container->bcontainer.dirty_pages_supported) { return vfio_dma_unmap_bitmap(container, iova, size, iotlb); } =20 @@ -205,14 +205,17 @@ static int vfio_legacy_dma_map(VFIOContainerBase *bco= ntainer, hwaddr iova, return -errno; } =20 -int vfio_set_dirty_page_tracking(VFIOContainer *container, bool start) +static int vfio_legacy_set_dirty_page_tracking(VFIOContainerBase *bcontain= er, + bool start) { + VFIOContainer *container =3D container_of(bcontainer, VFIOContainer, + bcontainer); int ret; struct vfio_iommu_type1_dirty_bitmap dirty =3D { .argsz =3D sizeof(dirty), }; =20 - if (!container->dirty_pages_supported) { + if (!bcontainer->dirty_pages_supported) { return 0; } =20 @@ -232,9 +235,12 @@ int vfio_set_dirty_page_tracking(VFIOContainer *contai= ner, bool start) return ret; } =20 -int vfio_query_dirty_bitmap(VFIOContainer *container, VFIOBitmap *vbmap, - hwaddr iova, hwaddr size) +static int vfio_legacy_query_dirty_bitmap(VFIOContainerBase *bcontainer, + VFIOBitmap *vbmap, + hwaddr iova, hwaddr size) { + VFIOContainer *container =3D container_of(bcontainer, VFIOContainer, + bcontainer); struct vfio_iommu_type1_dirty_bitmap *dbitmap; struct vfio_iommu_type1_dirty_bitmap_get *range; int ret; @@ -461,7 +467,7 @@ static void vfio_get_iommu_info_migration(VFIOContainer= *container, * qemu_real_host_page_size to mark those dirty. */ if (cap_mig->pgsize_bitmap & qemu_real_host_page_size()) { - container->dirty_pages_supported =3D true; + container->bcontainer.dirty_pages_supported =3D true; container->max_dirty_bitmap_size =3D cap_mig->max_dirty_bitmap_siz= e; container->dirty_pgsizes =3D cap_mig->pgsize_bitmap; } @@ -553,7 +559,6 @@ static int vfio_connect_container(VFIOGroup *group, Add= ressSpace *as, container =3D g_malloc0(sizeof(*container)); container->fd =3D fd; container->error =3D NULL; - container->dirty_pages_supported =3D false; container->dma_max_mappings =3D 0; container->iova_ranges =3D NULL; QLIST_INIT(&container->vrdl_list); @@ -938,4 +943,6 @@ void vfio_detach_device(VFIODevice *vbasedev) const VFIOIOMMUOps vfio_legacy_ops =3D { .dma_map =3D vfio_legacy_dma_map, .dma_unmap =3D vfio_legacy_dma_unmap, + .set_dirty_page_tracking =3D vfio_legacy_set_dirty_page_tracking, + .query_dirty_bitmap =3D vfio_legacy_query_dirty_bitmap, }; --=20 2.34.1