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Tsirkin" , Harpreet Singh Anand Subject: [RFC 4/8] vdpa: Add log_enabled to VhostVDPAState Date: Wed, 10 Aug 2022 20:42:16 +0200 Message-Id: <20220810184220.2362292-5-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: 1660157228481100001 This enables VhostVDPAState to track the logging of the memory. It cannot be merged with s->always_svq because always_svq is immutable from the moment the device is parsed, and log_enabled must be enabled or disabled depending on the log state. Apart from that, they will affect the same to vhost vdpa device, enabling the shadow virtqueue unconditionally. Signed-off-by: Eugenio P=C3=A9rez --- net/vhost-vdpa.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/net/vhost-vdpa.c b/net/vhost-vdpa.c index 85b10799bd..a035c89c34 100644 --- a/net/vhost-vdpa.c +++ b/net/vhost-vdpa.c @@ -42,6 +42,10 @@ typedef struct VhostVDPAState { =20 /* The device always have SVQ enabled */ bool always_svq; + + /* Device log enabled */ + bool log_enabled; + bool started; } VhostVDPAState; =20 @@ -346,15 +350,15 @@ static int vhost_vdpa_net_cvq_start(NetClientState *n= c) cvq_group.index =3D v->dev->vq_index_end - 1; =20 /* Default values */ - v->listener_shadow_vq =3D s->always_svq; - v->shadow_vqs_enabled =3D s->always_svq; + v->listener_shadow_vq =3D s->always_svq || s->log_enabled; + v->shadow_vqs_enabled =3D s->always_svq || s->log_enabled; s->vhost_vdpa.address_space_id =3D VHOST_VDPA_NET_CVQ_PASSTHROUGH; =20 if (s->address_space_num < 2) { return 0; } =20 - if (s->always_svq) { + if (s->always_svq || s->log_enabled) { goto out; } =20 --=20 2.31.1