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| author | Cindy Lu <lulu@redhat.com> | 2022-12-22 15:04:46 +0800 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2023-01-08 01:54:22 -0500 |
| commit | 259f3acc1c675dd77ebbdb28a483f5d0220bdbf6 (patch) | |
| tree | 845b76797a79f00dd94a16062eff25b0d64ceef2 | |
| parent | 9b30cdf9bbf9524a4f4f8a6eb551eb13cbbd3893 (diff) | |
| download | qemu-259f3acc1c675dd77ebbdb28a483f5d0220bdbf6.zip qemu-259f3acc1c675dd77ebbdb28a483f5d0220bdbf6.tar.gz qemu-259f3acc1c675dd77ebbdb28a483f5d0220bdbf6.tar.bz2 | |
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>
| -rw-r--r-- | hw/virtio/trace-events | 1 | ||||
| -rw-r--r-- | hw/virtio/vhost-vdpa.c | 8 |
2 files changed, 9 insertions, 0 deletions
diff --git a/hw/virtio/trace-events b/hw/virtio/trace-events index 96da58a..a87c5f3 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 fd0c33b..fcb1e96 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, }; |