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Tsirkin" , Jason Wang , Dragos Tatulea , Laurent Vivier Subject: [PATCH 9.0 11/13] vdpa: use VhostVDPAShared in vdpa_dma_map and unmap Date: Fri, 24 Nov 2023 18:14:28 +0100 Message-Id: <20231124171430.2964464-12-eperezma@redhat.com> In-Reply-To: <20231124171430.2964464-1-eperezma@redhat.com> References: <20231124171430.2964464-1-eperezma@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.2 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=170.10.133.124; envelope-from=eperezma@redhat.com; helo=us-smtp-delivery-124.mimecast.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, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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 @redhat.com) X-ZM-MESSAGEID: 1700846141694100006 The callers only have the shared information by the end of this series. Start converting this functions. Signed-off-by: Eugenio P=C3=A9rez --- include/hw/virtio/vhost-vdpa.h | 4 +-- hw/virtio/vhost-vdpa.c | 50 +++++++++++++++++----------------- net/vhost-vdpa.c | 5 ++-- 3 files changed, 30 insertions(+), 29 deletions(-) diff --git a/include/hw/virtio/vhost-vdpa.h b/include/hw/virtio/vhost-vdpa.h index 3880b9e7f2..705c754776 100644 --- a/include/hw/virtio/vhost-vdpa.h +++ b/include/hw/virtio/vhost-vdpa.h @@ -69,9 +69,9 @@ typedef struct vhost_vdpa { int vhost_vdpa_get_iova_range(int fd, struct vhost_vdpa_iova_range *iova_r= ange); int vhost_vdpa_set_vring_ready(struct vhost_vdpa *v, unsigned idx); =20 -int vhost_vdpa_dma_map(struct vhost_vdpa *v, uint32_t asid, hwaddr iova, +int vhost_vdpa_dma_map(VhostVDPAShared *s, uint32_t asid, hwaddr iova, hwaddr size, void *vaddr, bool readonly); -int vhost_vdpa_dma_unmap(struct vhost_vdpa *v, uint32_t asid, hwaddr iova, +int vhost_vdpa_dma_unmap(VhostVDPAShared *s, uint32_t asid, hwaddr iova, hwaddr size); =20 typedef struct vdpa_iommu { diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c index a07cd85081..0ed6550aad 100644 --- a/hw/virtio/vhost-vdpa.c +++ b/hw/virtio/vhost-vdpa.c @@ -86,11 +86,11 @@ static bool vhost_vdpa_listener_skipped_section(MemoryR= egionSection *section, * The caller must set asid =3D 0 if the device does not support asid. * This is not an ABI break since it is set to 0 by the initializer anyway. */ -int vhost_vdpa_dma_map(struct vhost_vdpa *v, uint32_t asid, hwaddr iova, +int vhost_vdpa_dma_map(VhostVDPAShared *s, uint32_t asid, hwaddr iova, hwaddr size, void *vaddr, bool readonly) { struct vhost_msg_v2 msg =3D {}; - int fd =3D v->shared->device_fd; + int fd =3D s->device_fd; int ret =3D 0; =20 msg.type =3D VHOST_IOTLB_MSG_V2; @@ -101,7 +101,7 @@ int vhost_vdpa_dma_map(struct vhost_vdpa *v, uint32_t a= sid, hwaddr iova, msg.iotlb.perm =3D readonly ? VHOST_ACCESS_RO : VHOST_ACCESS_RW; msg.iotlb.type =3D VHOST_IOTLB_UPDATE; =20 - trace_vhost_vdpa_dma_map(v->shared, fd, msg.type, msg.asid, msg.iotlb.= iova, + trace_vhost_vdpa_dma_map(s, fd, msg.type, msg.asid, msg.iotlb.iova, msg.iotlb.size, msg.iotlb.uaddr, msg.iotlb.pe= rm, msg.iotlb.type); =20 @@ -118,11 +118,11 @@ int vhost_vdpa_dma_map(struct vhost_vdpa *v, uint32_t= asid, hwaddr iova, * The caller must set asid =3D 0 if the device does not support asid. * This is not an ABI break since it is set to 0 by the initializer anyway. */ -int vhost_vdpa_dma_unmap(struct vhost_vdpa *v, uint32_t asid, hwaddr iova, +int vhost_vdpa_dma_unmap(VhostVDPAShared *s, uint32_t asid, hwaddr iova, hwaddr size) { struct vhost_msg_v2 msg =3D {}; - int fd =3D v->shared->device_fd; + int fd =3D s->device_fd; int ret =3D 0; =20 msg.type =3D VHOST_IOTLB_MSG_V2; @@ -131,8 +131,8 @@ int vhost_vdpa_dma_unmap(struct vhost_vdpa *v, uint32_t= asid, hwaddr iova, msg.iotlb.size =3D size; msg.iotlb.type =3D VHOST_IOTLB_INVALIDATE; =20 - trace_vhost_vdpa_dma_unmap(v->shared, fd, msg.type, msg.asid, - msg.iotlb.iova, msg.iotlb.size, msg.iotlb.t= ype); + trace_vhost_vdpa_dma_unmap(s, fd, msg.type, msg.asid, msg.iotlb.iova, + msg.iotlb.size, msg.iotlb.type); =20 if (write(fd, &msg, sizeof(msg)) !=3D sizeof(msg)) { error_report("failed to write, fd=3D%d, errno=3D%d (%s)", @@ -143,30 +143,29 @@ int vhost_vdpa_dma_unmap(struct vhost_vdpa *v, uint32= _t asid, hwaddr iova, return ret; } =20 -static void vhost_vdpa_listener_begin_batch(struct vhost_vdpa *v) +static void vhost_vdpa_listener_begin_batch(VhostVDPAShared *s) { - int fd =3D v->shared->device_fd; + int fd =3D s->device_fd; struct vhost_msg_v2 msg =3D { .type =3D VHOST_IOTLB_MSG_V2, .iotlb.type =3D VHOST_IOTLB_BATCH_BEGIN, }; =20 - trace_vhost_vdpa_listener_begin_batch(v->shared, fd, msg.type, - msg.iotlb.type); + trace_vhost_vdpa_listener_begin_batch(s, fd, msg.type, msg.iotlb.type); if (write(fd, &msg, sizeof(msg)) !=3D sizeof(msg)) { error_report("failed to write, fd=3D%d, errno=3D%d (%s)", fd, errno, strerror(errno)); } } =20 -static void vhost_vdpa_iotlb_batch_begin_once(struct vhost_vdpa *v) +static void vhost_vdpa_iotlb_batch_begin_once(VhostVDPAShared *s) { - if (v->shared->backend_cap & (0x1ULL << VHOST_BACKEND_F_IOTLB_BATCH) && - !v->shared->iotlb_batch_begin_sent) { - vhost_vdpa_listener_begin_batch(v); + if (s->backend_cap & (0x1ULL << VHOST_BACKEND_F_IOTLB_BATCH) && + !s->iotlb_batch_begin_sent) { + vhost_vdpa_listener_begin_batch(s); } =20 - v->shared->iotlb_batch_begin_sent =3D true; + s->iotlb_batch_begin_sent =3D true; } =20 static void vhost_vdpa_listener_commit(MemoryListener *listener) @@ -226,7 +225,7 @@ static void vhost_vdpa_iommu_map_notify(IOMMUNotifier *= n, IOMMUTLBEntry *iotlb) if (!memory_get_xlat_addr(iotlb, &vaddr, NULL, &read_only, NULL)) { return; } - ret =3D vhost_vdpa_dma_map(v, VHOST_VDPA_GUEST_PA_ASID, iova, + ret =3D vhost_vdpa_dma_map(v->shared, VHOST_VDPA_GUEST_PA_ASID, io= va, iotlb->addr_mask + 1, vaddr, read_only); if (ret) { error_report("vhost_vdpa_dma_map(%p, 0x%" HWADDR_PRIx ", " @@ -234,7 +233,7 @@ static void vhost_vdpa_iommu_map_notify(IOMMUNotifier *= n, IOMMUTLBEntry *iotlb) v, iova, iotlb->addr_mask + 1, vaddr, ret); } } else { - ret =3D vhost_vdpa_dma_unmap(v, VHOST_VDPA_GUEST_PA_ASID, iova, + ret =3D vhost_vdpa_dma_unmap(v->shared, VHOST_VDPA_GUEST_PA_ASID, = iova, iotlb->addr_mask + 1); if (ret) { error_report("vhost_vdpa_dma_unmap(%p, 0x%" HWADDR_PRIx ", " @@ -370,8 +369,8 @@ static void vhost_vdpa_listener_region_add(MemoryListen= er *listener, iova =3D mem_region.iova; } =20 - vhost_vdpa_iotlb_batch_begin_once(v); - ret =3D vhost_vdpa_dma_map(v, VHOST_VDPA_GUEST_PA_ASID, iova, + vhost_vdpa_iotlb_batch_begin_once(v->shared); + ret =3D vhost_vdpa_dma_map(v->shared, VHOST_VDPA_GUEST_PA_ASID, iova, int128_get64(llsize), vaddr, section->readonl= y); if (ret) { error_report("vhost vdpa map fail!"); @@ -455,13 +454,13 @@ static void vhost_vdpa_listener_region_del(MemoryList= ener *listener, iova =3D result->iova; vhost_iova_tree_remove(v->shared->iova_tree, *result); } - vhost_vdpa_iotlb_batch_begin_once(v); + vhost_vdpa_iotlb_batch_begin_once(v->shared); /* * The unmap ioctl doesn't accept a full 64-bit. need to check it */ if (int128_eq(llsize, int128_2_64())) { llsize =3D int128_rshift(llsize, 1); - ret =3D vhost_vdpa_dma_unmap(v, VHOST_VDPA_GUEST_PA_ASID, iova, + ret =3D vhost_vdpa_dma_unmap(v->shared, VHOST_VDPA_GUEST_PA_ASID, = iova, int128_get64(llsize)); =20 if (ret) { @@ -471,7 +470,7 @@ static void vhost_vdpa_listener_region_del(MemoryListen= er *listener, } iova +=3D int128_get64(llsize); } - ret =3D vhost_vdpa_dma_unmap(v, VHOST_VDPA_GUEST_PA_ASID, iova, + ret =3D vhost_vdpa_dma_unmap(v->shared, VHOST_VDPA_GUEST_PA_ASID, iova, int128_get64(llsize)); =20 if (ret) { @@ -1077,7 +1076,8 @@ static void vhost_vdpa_svq_unmap_ring(struct vhost_vd= pa *v, hwaddr addr) } =20 size =3D ROUND_UP(result->size, qemu_real_host_page_size()); - r =3D vhost_vdpa_dma_unmap(v, v->address_space_id, result->iova, size); + r =3D vhost_vdpa_dma_unmap(v->shared, v->address_space_id, result->iov= a, + size); if (unlikely(r < 0)) { error_report("Unable to unmap SVQ vring: %s (%d)", g_strerror(-r),= -r); return; @@ -1117,7 +1117,7 @@ static bool vhost_vdpa_svq_map_ring(struct vhost_vdpa= *v, DMAMap *needle, return false; } =20 - r =3D vhost_vdpa_dma_map(v, v->address_space_id, needle->iova, + r =3D vhost_vdpa_dma_map(v->shared, v->address_space_id, needle->iova, needle->size + 1, (void *)(uintptr_t)needle->translated_addr, needle->perm =3D=3D IOMMU_RO); diff --git a/net/vhost-vdpa.c b/net/vhost-vdpa.c index 3aefd77968..3fb209cd35 100644 --- a/net/vhost-vdpa.c +++ b/net/vhost-vdpa.c @@ -472,7 +472,8 @@ static void vhost_vdpa_cvq_unmap_buf(struct vhost_vdpa = *v, void *addr) return; } =20 - r =3D vhost_vdpa_dma_unmap(v, v->address_space_id, map->iova, map->siz= e + 1); + r =3D vhost_vdpa_dma_unmap(v->shared, v->address_space_id, map->iova, + map->size + 1); if (unlikely(r !=3D 0)) { error_report("Device cannot unmap: %s(%d)", g_strerror(r), r); } @@ -496,7 +497,7 @@ static int vhost_vdpa_cvq_map_buf(struct vhost_vdpa *v,= void *buf, size_t size, return r; } =20 - r =3D vhost_vdpa_dma_map(v, v->address_space_id, map.iova, + r =3D vhost_vdpa_dma_map(v->shared, v->address_space_id, map.iova, vhost_vdpa_net_cvq_cmd_page_len(), buf, !write); if (unlikely(r < 0)) { goto dma_map_err; --=20 2.39.3