From 497679d51087090d5a22fd265d1b96cf92d49d9d Mon Sep 17 00:00:00 2001 From: Cindy Lu Date: Fri, 5 Nov 2021 00:48:25 +0800 Subject: virtio-net: add support for configure interrupt Add functions to support configure interrupt in virtio_net The functions are config_pending and config_mask, while this input idx is VIRTIO_CONFIG_IRQ_IDX will check the function of configure interrupt. Signed-off-by: Cindy Lu Message-Id: <20211104164827.21911-9-lulu@redhat.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hw/net/vhost_net-stub.c | 9 +++++++++ hw/net/vhost_net.c | 9 +++++++++ hw/net/virtio-net.c | 4 ++-- 3 files changed, 20 insertions(+), 2 deletions(-) (limited to 'hw/net') diff --git a/hw/net/vhost_net-stub.c b/hw/net/vhost_net-stub.c index 89d71cfb8e..126ee35b70 100644 --- a/hw/net/vhost_net-stub.c +++ b/hw/net/vhost_net-stub.c @@ -101,3 +101,12 @@ int vhost_net_set_mtu(struct vhost_net *net, uint16_t mtu) { return 0; } + +bool vhost_net_config_pending(VHostNetState *net) +{ + return false; +} + +void vhost_net_config_mask(VHostNetState *net, VirtIODevice *dev, bool mask) +{ +} diff --git a/hw/net/vhost_net.c b/hw/net/vhost_net.c index 30379d2ca4..9c9fd0a73f 100644 --- a/hw/net/vhost_net.c +++ b/hw/net/vhost_net.c @@ -457,6 +457,15 @@ void vhost_net_virtqueue_mask(VHostNetState *net, VirtIODevice *dev, vhost_virtqueue_mask(&net->dev, dev, idx, mask); } +bool vhost_net_config_pending(VHostNetState *net) +{ + return vhost_config_pending(&net->dev); +} + +void vhost_net_config_mask(VHostNetState *net, VirtIODevice *dev, bool mask) +{ + vhost_config_mask(&net->dev, dev, mask); +} VHostNetState *get_vhost_net(NetClientState *nc) { VHostNetState *vhost_net = 0; diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c index 5e03c0dd14..5806a50c8d 100644 --- a/hw/net/virtio-net.c +++ b/hw/net/virtio-net.c @@ -3169,7 +3169,7 @@ static bool virtio_net_guest_notifier_pending(VirtIODevice *vdev, int idx) NetClientState *nc = qemu_get_subqueue(n->nic, vq2q(idx)); assert(n->vhost_started); if (idx == VIRTIO_CONFIG_IRQ_IDX) { - return false; + return vhost_net_config_pending(get_vhost_net(nc->peer)); } return vhost_net_virtqueue_pending(get_vhost_net(nc->peer), idx); } @@ -3181,9 +3181,9 @@ static void virtio_net_guest_notifier_mask(VirtIODevice *vdev, int idx, NetClientState *nc = qemu_get_subqueue(n->nic, vq2q(idx)); assert(n->vhost_started); if (idx == VIRTIO_CONFIG_IRQ_IDX) { + vhost_net_config_mask(get_vhost_net(nc->peer), vdev, mask); return; } - vhost_net_virtqueue_mask(get_vhost_net(nc->peer), vdev, idx, mask); } -- cgit v1.2.3