From: "Dr. David Alan Gilbert" <dave@treblig.org>
vhost_dev_load_inflight and vhost_dev_save_inflight have been
unused since they were added in 2019 by:
5ad204bf2a ("vhost-user: Support transferring inflight buffer between qemu and
backend")
Remove them, and their helper vhost_dev_resize_inflight.
Signed-off-by: Dr. David Alan Gilbert <dave@treblig.org>
---
hw/virtio/vhost.c | 56 ---------------------------------------
include/hw/virtio/vhost.h | 2 --
2 files changed, 58 deletions(-)
diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c
index 7c5ef81b55..76f9b2aaad 100644
--- a/hw/virtio/vhost.c
+++ b/hw/virtio/vhost.c
@@ -1930,62 +1930,6 @@ void vhost_dev_free_inflight(struct vhost_inflight
*inflight)
}
}
-static int vhost_dev_resize_inflight(struct vhost_inflight *inflight,
- uint64_t new_size)
-{
- Error *err = NULL;
- int fd = -1;
- void *addr = qemu_memfd_alloc("vhost-inflight", new_size,
- F_SEAL_GROW | F_SEAL_SHRINK | F_SEAL_SEAL,
- &fd, &err);
-
- if (err) {
- error_report_err(err);
- return -ENOMEM;
- }
-
- vhost_dev_free_inflight(inflight);
- inflight->offset = 0;
- inflight->addr = addr;
- inflight->fd = fd;
- inflight->size = new_size;
-
- return 0;
-}
-
-void vhost_dev_save_inflight(struct vhost_inflight *inflight, QEMUFile *f)
-{
- if (inflight->addr) {
- qemu_put_be64(f, inflight->size);
- qemu_put_be16(f, inflight->queue_size);
- qemu_put_buffer(f, inflight->addr, inflight->size);
- } else {
- qemu_put_be64(f, 0);
- }
-}
-
-int vhost_dev_load_inflight(struct vhost_inflight *inflight, QEMUFile *f)
-{
- uint64_t size;
-
- size = qemu_get_be64(f);
- if (!size) {
- return 0;
- }
-
- if (inflight->size != size) {
- int ret = vhost_dev_resize_inflight(inflight, size);
- if (ret < 0) {
- return ret;
- }
- }
- inflight->queue_size = qemu_get_be16(f);
-
- qemu_get_buffer(f, inflight->addr, size);
-
- return 0;
-}
-
int vhost_dev_prepare_inflight(struct vhost_dev *hdev, VirtIODevice *vdev)
{
int r;
diff --git a/include/hw/virtio/vhost.h b/include/hw/virtio/vhost.h
index c75be46c06..461c168c37 100644
--- a/include/hw/virtio/vhost.h
+++ b/include/hw/virtio/vhost.h
@@ -338,8 +338,6 @@ void vhost_virtqueue_stop(struct vhost_dev *dev, struct
VirtIODevice *vdev,
void vhost_dev_reset_inflight(struct vhost_inflight *inflight);
void vhost_dev_free_inflight(struct vhost_inflight *inflight);
-void vhost_dev_save_inflight(struct vhost_inflight *inflight, QEMUFile *f);
-int vhost_dev_load_inflight(struct vhost_inflight *inflight, QEMUFile *f);
int vhost_dev_prepare_inflight(struct vhost_dev *hdev, VirtIODevice *vdev);
int vhost_dev_set_inflight(struct vhost_dev *dev,
struct vhost_inflight *inflight);