diff options
Diffstat (limited to 'drivers/vhost/vhost.h')
| -rw-r--r-- | drivers/vhost/vhost.h | 21 |
1 files changed, 3 insertions, 18 deletions
diff --git a/drivers/vhost/vhost.h b/drivers/vhost/vhost.h index 464469d901d..5e19e3d5db8 100644 --- a/drivers/vhost/vhost.h +++ b/drivers/vhost/vhost.h @@ -7,27 +7,11 @@ #include <linux/mutex.h> #include <linux/poll.h> #include <linux/file.h> -#include <linux/skbuff.h> #include <linux/uio.h> #include <linux/virtio_config.h> #include <linux/virtio_ring.h> #include <linux/atomic.h> -/* - * For transmit, used buffer len is unused; we override it to track buffer - * status internally; used for zerocopy tx only. - */ -/* Lower device DMA failed */ -#define VHOST_DMA_FAILED_LEN 3 -/* Lower device DMA done */ -#define VHOST_DMA_DONE_LEN 2 -/* Lower device DMA in progress */ -#define VHOST_DMA_IN_PROGRESS 1 -/* Buffer unused */ -#define VHOST_DMA_CLEAR_LEN 0 - -#define VHOST_DMA_IS_DONE(len) ((len) >= VHOST_DMA_DONE_LEN) - struct vhost_device; struct vhost_work; @@ -80,6 +64,8 @@ struct vhost_ubuf_ref *vhost_ubuf_alloc(struct vhost_virtqueue *, bool zcopy); void vhost_ubuf_put(struct vhost_ubuf_ref *); void vhost_ubuf_put_and_wait(struct vhost_ubuf_ref *); +struct ubuf_info; + /* The virtqueue structure describes a queue attached to a device. */ struct vhost_virtqueue { struct vhost_dev *dev; @@ -177,6 +163,7 @@ long vhost_dev_init(struct vhost_dev *, struct vhost_virtqueue *vqs, int nvqs); long vhost_dev_check_owner(struct vhost_dev *); long vhost_dev_reset_owner(struct vhost_dev *); void vhost_dev_cleanup(struct vhost_dev *, bool locked); +void vhost_dev_stop(struct vhost_dev *); long vhost_dev_ioctl(struct vhost_dev *, unsigned int ioctl, unsigned long arg); int vhost_vq_access_ok(struct vhost_virtqueue *vq); int vhost_log_access_ok(struct vhost_dev *); @@ -201,8 +188,6 @@ bool vhost_enable_notify(struct vhost_dev *, struct vhost_virtqueue *); int vhost_log_write(struct vhost_virtqueue *vq, struct vhost_log *log, unsigned int log_num, u64 len); -void vhost_zerocopy_callback(struct ubuf_info *, bool); -int vhost_zerocopy_signal_used(struct vhost_virtqueue *vq); #define vq_err(vq, fmt, ...) do { \ pr_debug(pr_fmt(fmt), ##__VA_ARGS__); \ |