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bh=R0S3A4tbZjaD+8pjqO35lhCt9TEMzJsukTAqBx9SMhU=; b=PcWh8xmb07iVKDd31f3svyQumXSeJN3S68Z4BtZVNgNuPEDnKhTB//XEdGQ1E8H8jEsIa1 31BdNSoR8ZUUtuJNbokW19C51dG8MqAD+y0P+ybKRo/IJNobN6aD+jTLLkGIjmeUVX5f93 UPZe1FUhoQS4UY9awPOuTE9ARXWekWg= X-MC-Unique: 3JrmeRsyM-SNwZphhZuOmQ-1 From: Cindy Lu To: lulu@redhat.com, mst@redhat.com, jasowang@redhat.com, kraxel@redhat.com, dgilbert@redhat.com, stefanha@redhat.com, arei.gonglei@huawei.com, marcandre.lureau@redhat.com, qemu-devel@nongnu.org Subject: [PATCH v17 01/10] virtio: introduce macro VIRTIO_CONFIG_IRQ_IDX Date: Fri, 28 Oct 2022 15:54:49 +0800 Message-Id: <20221028075458.1182340-2-lulu@redhat.com> In-Reply-To: <20221028075458.1182340-1-lulu@redhat.com> References: <20221028075458.1182340-1-lulu@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.1 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=170.10.129.124; envelope-from=lulu@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -25 X-Spam_score: -2.6 X-Spam_bar: -- X-Spam_report: (-2.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.515, 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_H2=-0.001, 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: , Sender: "Qemu-devel" Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1666943766819100003 Content-Type: text/plain; charset="utf-8" To support configure interrupt for vhost-vdpa Introduce VIRTIO_CONFIG_IRQ_IDX -1 as configure interrupt's queue index, Then we can reuse the functions guest_notifier_mask and guest_notifier_pend= ing. Add the check of queue index in these drivers, if the driver does not suppo= rt configure interrupt, the function will just return Signed-off-by: Cindy Lu --- hw/display/vhost-user-gpu.c | 15 +++++++++++++++ hw/net/virtio-net.c | 20 ++++++++++++++++++-- hw/virtio/vhost-user-fs.c | 16 ++++++++++++++++ hw/virtio/vhost-vsock-common.c | 16 ++++++++++++++++ hw/virtio/virtio-crypto.c | 16 ++++++++++++++++ include/hw/virtio/virtio.h | 3 +++ 6 files changed, 84 insertions(+), 2 deletions(-) diff --git a/hw/display/vhost-user-gpu.c b/hw/display/vhost-user-gpu.c index 19c0e20103..2868819281 100644 --- a/hw/display/vhost-user-gpu.c +++ b/hw/display/vhost-user-gpu.c @@ -486,6 +486,13 @@ vhost_user_gpu_guest_notifier_pending(VirtIODevice *vd= ev, int idx) { VhostUserGPU *g =3D VHOST_USER_GPU(vdev); =20 + /* Add the check for configure interrupt, we use VIRTIO_CONFIG_IRQ_IDX= -1 + * as the Marco of configure interrupt, If this driver does not + * support, the function will just return false + */ + if (idx =3D=3D VIRTIO_CONFIG_IRQ_IDX) { + return false; + } return vhost_virtqueue_pending(&g->vhost->dev, idx); } =20 @@ -494,6 +501,14 @@ vhost_user_gpu_guest_notifier_mask(VirtIODevice *vdev,= int idx, bool mask) { VhostUserGPU *g =3D VHOST_USER_GPU(vdev); =20 + /* Add the check for configure interrupt,Here use VIRTIO_CONFIG_IRQ_ID= X -1 + * as the Marco of configure interrupt, If this driver does not + * support, the function will return + */ + + if (idx =3D=3D VIRTIO_CONFIG_IRQ_IDX) { + return; + } vhost_virtqueue_mask(&g->vhost->dev, vdev, idx, mask); } =20 diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c index e9f696b4cf..1617a37a21 100644 --- a/hw/net/virtio-net.c +++ b/hw/net/virtio-net.c @@ -3216,6 +3216,14 @@ static bool virtio_net_guest_notifier_pending(VirtIO= Device *vdev, int idx) } else { nc =3D qemu_get_subqueue(n->nic, vq2q(idx)); } + /* Add the check for configure interrupt, Use VIRTIO_CONFIG_IRQ_IDX -1 + * as the Marco of configure interrupt's IDX, If this driver does not + * support, the function will return false + */ + + if (idx =3D=3D VIRTIO_CONFIG_IRQ_IDX) { + return false; + } return vhost_net_virtqueue_pending(get_vhost_net(nc->peer), idx); } =20 @@ -3239,8 +3247,16 @@ static void virtio_net_guest_notifier_mask(VirtIODev= ice *vdev, int idx, } else { nc =3D qemu_get_subqueue(n->nic, vq2q(idx)); } - vhost_net_virtqueue_mask(get_vhost_net(nc->peer), - vdev, idx, mask); + /* Add the check for configure interrupt, Use VIRTIO_CONFIG_IRQ_IDX -1 + * as the Marco of configure interrupt's IDX, If this driver does not + * support, the function will return + */ + + if (idx =3D=3D VIRTIO_CONFIG_IRQ_IDX) { + return; + } + + vhost_net_virtqueue_mask(get_vhost_net(nc->peer), vdev, idx, mask); } =20 static void virtio_net_set_config_size(VirtIONet *n, uint64_t host_feature= s) diff --git a/hw/virtio/vhost-user-fs.c b/hw/virtio/vhost-user-fs.c index ad0f91c607..f87a074553 100644 --- a/hw/virtio/vhost-user-fs.c +++ b/hw/virtio/vhost-user-fs.c @@ -158,6 +158,14 @@ static void vuf_guest_notifier_mask(VirtIODevice *vdev= , int idx, { VHostUserFS *fs =3D VHOST_USER_FS(vdev); =20 + /* Add the check for configure interrupt, Use VIRTIO_CONFIG_IRQ_IDX -1 + * as the Marco of configure interrupt's IDX, If this driver does not + * support, the function will return + */ + + if (idx =3D=3D VIRTIO_CONFIG_IRQ_IDX) { + return; + } vhost_virtqueue_mask(&fs->vhost_dev, vdev, idx, mask); } =20 @@ -165,6 +173,14 @@ static bool vuf_guest_notifier_pending(VirtIODevice *v= dev, int idx) { VHostUserFS *fs =3D VHOST_USER_FS(vdev); =20 + /* Add the check for configure interrupt, Use VIRTIO_CONFIG_IRQ_IDX -1 + * as the Marco of configure interrupt's IDX, If this driver does not + * support, the function will return + */ + + if (idx =3D=3D VIRTIO_CONFIG_IRQ_IDX) { + return false; + } return vhost_virtqueue_pending(&fs->vhost_dev, idx); } =20 diff --git a/hw/virtio/vhost-vsock-common.c b/hw/virtio/vhost-vsock-common.c index 29b9ab4f72..12e35b1a98 100644 --- a/hw/virtio/vhost-vsock-common.c +++ b/hw/virtio/vhost-vsock-common.c @@ -126,6 +126,14 @@ static void vhost_vsock_common_guest_notifier_mask(Vir= tIODevice *vdev, int idx, { VHostVSockCommon *vvc =3D VHOST_VSOCK_COMMON(vdev); =20 + /* Add the check for configure interrupt, Use VIRTIO_CONFIG_IRQ_IDX -1 + * as the Marco of configure interrupt's IDX, If this driver does not + * support, the function will return + */ + + if (idx =3D=3D VIRTIO_CONFIG_IRQ_IDX) { + return; + } vhost_virtqueue_mask(&vvc->vhost_dev, vdev, idx, mask); } =20 @@ -134,6 +142,14 @@ static bool vhost_vsock_common_guest_notifier_pending(= VirtIODevice *vdev, { VHostVSockCommon *vvc =3D VHOST_VSOCK_COMMON(vdev); =20 + /* Add the check for configure interrupt, Use VIRTIO_CONFIG_IRQ_IDX -1 + * as the Marco of configure interrupt's IDX, If this driver does not + * support, the function will return + */ + + if (idx =3D=3D VIRTIO_CONFIG_IRQ_IDX) { + return false; + } return vhost_virtqueue_pending(&vvc->vhost_dev, idx); } =20 diff --git a/hw/virtio/virtio-crypto.c b/hw/virtio/virtio-crypto.c index df4bde210b..d61278a707 100644 --- a/hw/virtio/virtio-crypto.c +++ b/hw/virtio/virtio-crypto.c @@ -1139,6 +1139,14 @@ static void virtio_crypto_guest_notifier_mask(VirtIO= Device *vdev, int idx, =20 assert(vcrypto->vhost_started); =20 + /* Add the check for configure interrupt, Use VIRTIO_CONFIG_IRQ_IDX -1 + * as the Marco of configure interrupt's IDX, If this driver does not + * support, the function will return + */ + + if (idx =3D=3D VIRTIO_CONFIG_IRQ_IDX) { + return; + } cryptodev_vhost_virtqueue_mask(vdev, queue, idx, mask); } =20 @@ -1149,6 +1157,14 @@ static bool virtio_crypto_guest_notifier_pending(Vir= tIODevice *vdev, int idx) =20 assert(vcrypto->vhost_started); =20 + /* Add the check for configure interrupt, Use VIRTIO_CONFIG_IRQ_IDX -1 + * as the Marco of configure interrupt's IDX, If this driver does not + * support, the function will return + */ + + if (idx =3D=3D VIRTIO_CONFIG_IRQ_IDX) { + return false; + } return cryptodev_vhost_virtqueue_pending(vdev, queue, idx); } =20 diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h index f41b4a7e64..a9953cf8b0 100644 --- a/include/hw/virtio/virtio.h +++ b/include/hw/virtio/virtio.h @@ -79,6 +79,9 @@ typedef struct VirtQueueElement =20 #define VIRTIO_NO_VECTOR 0xffff =20 +/* special index value used internally for config irqs */ +#define VIRTIO_CONFIG_IRQ_IDX -1 + #define TYPE_VIRTIO_DEVICE "virtio-device" OBJECT_DECLARE_TYPE(VirtIODevice, VirtioDeviceClass, VIRTIO_DEVICE) =20 --=20 2.34.3