From cc9df379f703274eb600dd6af7dbacae4d457d5f Mon Sep 17 00:00:00 2001 From: fangyi Date: Thu, 16 Nov 2023 09:54:51 +0800 Subject: [PATCH] vhost-vdpa: add support for config interrupt Add new call back function in vhost-vdpa, this function will set the event fd to kernel. This function will be called in the vhost_dev_start and vhost_dev_stop Signed-off-by: Cindy Lu Message-Id: <20211104164827.21911-6-lulu@redhat.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin Signed-off-by: fangyi --- hw/virtio/trace-events | 1 + hw/virtio/vhost-vdpa.c | 7 +++++++ 2 files changed, 8 insertions(+) diff --git a/hw/virtio/trace-events b/hw/virtio/trace-events index 650e521e35..39c36ff7a6 100644 --- a/hw/virtio/trace-events +++ b/hw/virtio/trace-events @@ -53,6 +53,7 @@ vhost_vdpa_get_features(void *dev, uint64_t features) "dev: %p features: 0x%"PRI vhost_vdpa_set_owner(void *dev) "dev: %p" vhost_vdpa_vq_get_addr(void *dev, void *vq, uint64_t desc_user_addr, uint64_t avail_user_addr, uint64_t used_user_addr) "dev: %p vq: %p desc_user_addr: 0x%"PRIx64" avail_user_addr: 0x%"PRIx64" used_user_addr: 0x%"PRIx64 vhost_vdpa_get_iova_range(void *dev, uint64_t first, uint64_t last) "dev: %p first: 0x%"PRIx64" last: 0x%"PRIx64 +vhost_vdpa_set_config_call(void *dev, int fd)"dev: %p fd: %d" # virtio.c virtqueue_alloc_element(void *elem, size_t sz, unsigned in_num, unsigned out_num) "elem %p size %zd in_num %u out_num %u" diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c index 287025ef93..b7bbd65cdd 100644 --- a/hw/virtio/vhost-vdpa.c +++ b/hw/virtio/vhost-vdpa.c @@ -728,6 +728,12 @@ static int vhost_vdpa_set_vring_call(struct vhost_dev *dev, trace_vhost_vdpa_set_vring_call(dev, file->index, file->fd); return vhost_vdpa_call(dev, VHOST_SET_VRING_CALL, file); } +static int vhost_vdpa_set_config_call(struct vhost_dev *dev, + int fd) +{ + trace_vhost_vdpa_set_config_call(dev, fd); + return vhost_vdpa_call(dev, VHOST_VDPA_SET_CONFIG_CALL, &fd); +} static int vhost_vdpa_get_features(struct vhost_dev *dev, uint64_t *features) @@ -808,6 +814,7 @@ const VhostOps vdpa_ops = { .vhost_get_device_id = vhost_vdpa_get_device_id, .vhost_vq_get_addr = vhost_vdpa_vq_get_addr, .vhost_force_iommu = vhost_vdpa_force_iommu, + .vhost_set_config_call = vhost_vdpa_set_config_call, .vhost_set_used_memslots = vhost_vdpa_set_used_memslots, .vhost_get_used_memslots = vhost_vdpa_get_used_memslots, }; -- 2.27.0