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Tsirkin" , Harpreet Singh Anand Subject: [RFC 7/8] vdpa: Add feature_log member to vhost_vdpa Date: Wed, 10 Aug 2022 20:42:19 +0200 Message-Id: <20220810184220.2362292-8-eperezma@redhat.com> In-Reply-To: <20220810184220.2362292-1-eperezma@redhat.com> References: <20220810184220.2362292-1-eperezma@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 2.85 on 10.11.54.8 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: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.082, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, 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" X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1660157671038100001 This way device's vhost_vdpa can make the choice about exposing or not the _F_LOG feature. At the moment is always false. Signed-off-by: Eugenio P=C3=A9rez --- include/hw/virtio/vhost-vdpa.h | 1 + hw/virtio/vhost-vdpa.c | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/include/hw/virtio/vhost-vdpa.h b/include/hw/virtio/vhost-vdpa.h index 0c3ed2d69b..b09eae133a 100644 --- a/include/hw/virtio/vhost-vdpa.h +++ b/include/hw/virtio/vhost-vdpa.h @@ -33,6 +33,7 @@ typedef struct vhost_vdpa { MemoryListener listener; struct vhost_vdpa_iova_range iova_range; uint64_t acked_features; + bool feature_log; bool shadow_vqs_enabled; /* The listener must send iova tree addresses, not GPA */ bool listener_shadow_vq; diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c index d750d9cec1..17513ee820 100644 --- a/hw/virtio/vhost-vdpa.c +++ b/hw/virtio/vhost-vdpa.c @@ -1246,7 +1246,7 @@ static int vhost_vdpa_get_features(struct vhost_dev *= dev, struct vhost_vdpa *v =3D dev->opaque; int ret =3D vhost_vdpa_get_dev_features(dev, features); =20 - if (ret =3D=3D 0 && v->shadow_vqs_enabled) { + if (ret =3D=3D 0 && (v->shadow_vqs_enabled || v->feature_log)) { /* Add SVQ logging capabilities */ *features |=3D BIT_ULL(VHOST_F_LOG_ALL); } --=20 2.31.1