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a="372563267" X-IronPort-AV: E=Sophos;i="6.03,253,1694761200"; d="scan'208";a="372563267" X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.03,253,1694761200"; d="scan'208";a="463617" 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 09/37] vfio/common: Move giommu_list in base container Date: Thu, 26 Oct 2023 18:30:36 +0800 Message-Id: <20231026103104.1686921-10-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: 1698317274539100003 From: Eric Auger 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 Signed-off-by: Yi Liu Signed-off-by: Yi Sun Signed-off-by: Zhenzhong Duan [ clg: context changes ] Signed-off-by: C=C3=A9dric Le Goater --- 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; =20 -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-c= ontainer-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; =20 +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 *bcontain= er, hwaddr iova, ram_addr_t size, IOMMUTLBEntry *iotlb); =20 +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, vo= id **vaddr, static void vfio_iommu_map_notify(IOMMUNotifier *n, IOMMUTLBEntry *iotlb) { VFIOGuestIOMMU *giommu =3D container_of(n, VFIOGuestIOMMU, n); - VFIOContainerBase *bcontainer =3D &giommu->container->bcontainer; + VFIOContainerBase *bcontainer =3D giommu->bcontainer; hwaddr iova =3D iotlb->iova + giommu->iommu_offset; void *vaddr; int ret; @@ -569,6 +569,7 @@ static void vfio_listener_region_add(MemoryListener *li= stener, MemoryRegionSection *section) { VFIOContainer *container =3D container_of(listener, VFIOContainer, lis= tener); + VFIOContainerBase *bcontainer =3D &container->bcontainer; hwaddr iova, end; Int128 llend, llsize; void *vaddr; @@ -613,7 +614,7 @@ static void vfio_listener_region_add(MemoryListener *li= stener, giommu->iommu_mr =3D iommu_mr; giommu->iommu_offset =3D section->offset_within_address_space - section->offset_within_region; - giommu->container =3D container; + giommu->bcontainer =3D bcontainer; llend =3D int128_add(int128_make64(section->offset_within_region), section->size); llend =3D int128_sub(llend, int128_one()); @@ -648,7 +649,7 @@ static void vfio_listener_region_add(MemoryListener *li= stener, 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); =20 return; @@ -733,6 +734,7 @@ static void vfio_listener_region_del(MemoryListener *li= stener, MemoryRegionSection *section) { VFIOContainer *container =3D container_of(listener, VFIOContainer, lis= tener); + VFIOContainerBase *bcontainer =3D &container->bcontainer; hwaddr iova, end; Int128 llend, llsize; int ret; @@ -745,7 +747,7 @@ static void vfio_listener_region_del(MemoryListener *li= stener, if (memory_region_is_iommu(section->mr)) { VFIOGuestIOMMU *giommu; =20 - QLIST_FOREACH(giommu, &container->giommu_list, giommu_next) { + QLIST_FOREACH(giommu, &bcontainer->giommu_list, giommu_next) { if (MEMORY_REGION(giommu->iommu_mr) =3D=3D section->mr && giommu->n.start =3D=3D 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 =3D container_of(n, vfio_giommu_dirty_notifier= , n); VFIOGuestIOMMU *giommu =3D gdn->giommu; - VFIOContainer *container =3D giommu->container; + VFIOContainerBase *bcontainer =3D giommu->bcontainer; + VFIOContainer *container =3D container_of(bcontainer, VFIOContainer, + bcontainer); hwaddr iova =3D iotlb->iova + giommu->iommu_offset; ram_addr_t translated_addr; int ret =3D -EINVAL; @@ -1286,12 +1290,13 @@ static int vfio_sync_ram_discard_listener_dirty_bit= map(VFIOContainer *container, static int vfio_sync_dirty_bitmap(VFIOContainer *container, MemoryRegionSection *section) { + VFIOContainerBase *bcontainer =3D &container->bcontainer; ram_addr_t ram_addr; =20 if (memory_region_is_iommu(section->mr)) { VFIOGuestIOMMU *giommu; =20 - QLIST_FOREACH(giommu, &container->giommu_list, giommu_next) { + QLIST_FOREACH(giommu, &bcontainer->giommu_list, giommu_next) { if (MEMORY_REGION(giommu->iommu_mr) =3D=3D section->mr && giommu->n.start =3D=3D 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 *bcontain= er, =20 return bcontainer->ops->dma_unmap(bcontainer, iova, size, iotlb); } + +void vfio_container_init(VFIOContainerBase *bcontainer, const VFIOIOMMUOps= *ops) +{ + bcontainer->ops =3D 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, Ad= dressSpace *as, container->dirty_pages_supported =3D false; container->dma_max_mappings =3D 0; container->iova_ranges =3D NULL; - QLIST_INIT(&container->giommu_list); QLIST_INIT(&container->vrdl_list); bcontainer =3D &container->bcontainer; - bcontainer->ops =3D &vfio_legacy_ops; + vfio_container_init(bcontainer, &vfio_legacy_ops); =20 ret =3D 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 =3D group->container; + VFIOContainerBase *bcontainer =3D &container->bcontainer; =20 QLIST_REMOVE(group, container_next); group->container =3D NULL; @@ -685,16 +685,9 @@ static void vfio_disconnect_container(VFIOGroup *group) =20 if (QLIST_EMPTY(&container->group_list)) { VFIOAddressSpace *space =3D container->space; - VFIOGuestIOMMU *giommu, *tmp; =20 QLIST_REMOVE(container, next); - - QLIST_FOREACH_SAFE(giommu, &container->giommu_list, giommu_next, t= mp) { - memory_region_unregister_iommu_notifier( - MEMORY_REGION(giommu->iommu_mr), &giommu->n); - QLIST_REMOVE(giommu, giommu_next); - g_free(giommu); - } + vfio_container_destroy(bcontainer); =20 trace_vfio_disconnect_container(container->fd); close(container->fd); --=20 2.34.1