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authorCindy Lu <lulu@redhat.com>2022-12-22 15:04:46 +0800
committerMichael S. Tsirkin <mst@redhat.com>2023-01-08 01:54:22 -0500
commit259f3acc1c675dd77ebbdb28a483f5d0220bdbf6 (patch)
tree845b76797a79f00dd94a16062eff25b0d64ceef2 /hw/virtio
parent9b30cdf9bbf9524a4f4f8a6eb551eb13cbbd3893 (diff)
vhost-vdpa: add support for config interrupt
Add new call back function in vhost-vdpa, The function vhost_set_config_call can 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 <lulu@redhat.com> Message-Id: <20221222070451.936503-6-lulu@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/virtio')
-rw-r--r--hw/virtio/trace-events1
-rw-r--r--hw/virtio/vhost-vdpa.c8
2 files changed, 9 insertions, 0 deletions
diff --git a/hw/virtio/trace-events b/hw/virtio/trace-events
index 96da58a41f..a87c5f39a2 100644
--- a/hw/virtio/trace-events
+++ b/hw/virtio/trace-events
@@ -62,6 +62,7 @@ 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 fd0c33b0e1..fcb1e96316 100644
--- a/hw/virtio/vhost-vdpa.c
+++ b/hw/virtio/vhost-vdpa.c
@@ -716,6 +716,13 @@ static int vhost_vdpa_set_vring_ready(struct vhost_dev *dev)
return 0;
}
+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 void vhost_vdpa_dump_config(struct vhost_dev *dev, const uint8_t *config,
uint32_t config_len)
{
@@ -1298,4 +1305,5 @@ 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,
};