1 files changed, 0 insertions, 142 deletions
diff --git a/gpxe/src/include/gpxe/virtio-ring.h b/gpxe/src/include/gpxe/virtio-ring.h
deleted file mode 100644
index e96dd371..00000000
--- a/gpxe/src/include/gpxe/virtio-ring.h
+++ /dev/null
@@ -1,142 +0,0 @@
-#ifndef _VIRTIO_RING_H_
-# define _VIRTIO_RING_H_
-#define PAGE_SHIFT (12)
-#define PAGE_SIZE  (1<<PAGE_SHIFT)
-#define PAGE_MASK  (PAGE_SIZE-1)
-
-/* Status byte for guest to report progress, and synchronize features. */
-/* We have seen device and processed generic fields (VIRTIO_CONFIG_F_VIRTIO) */
-#define VIRTIO_CONFIG_S_ACKNOWLEDGE     1
-/* We have found a driver for the device. */
-#define VIRTIO_CONFIG_S_DRIVER          2
-/* Driver has used its parts of the config, and is happy */
-#define VIRTIO_CONFIG_S_DRIVER_OK       4
-/* We've given up on this device. */
-#define VIRTIO_CONFIG_S_FAILED          0x80
-
-#define MAX_QUEUE_NUM      (512)
-
-#define VRING_DESC_F_NEXT  1
-#define VRING_DESC_F_WRITE 2
-
-#define VRING_AVAIL_F_NO_INTERRUPT 1
-
-#define VRING_USED_F_NO_NOTIFY     1
-
-struct vring_desc
-{
-   u64 addr;
-   u32 len;
-   u16 flags;
-   u16 next;
-};
-
-struct vring_avail
-{
-   u16 flags;
-   u16 idx;
-   u16 ring[0];
-};
-
-struct vring_used_elem
-{
-   u32 id;
-   u32 len;
-};
-
-struct vring_used
-{
-   u16 flags;
-   u16 idx;
-   struct vring_used_elem ring[];
-};
-
-struct vring {
-   unsigned int num;
-   struct vring_desc *desc;
-   struct vring_avail *avail;
-   struct vring_used *used;
-};
-
-#define vring_size(num) \
-   (((((sizeof(struct vring_desc) * num) + \
-      (sizeof(struct vring_avail) + sizeof(u16) * num)) \
-         + PAGE_MASK) & ~PAGE_MASK) + \
-         (sizeof(struct vring_used) + sizeof(struct vring_used_elem) * num))
-
-typedef unsigned char virtio_queue_t[PAGE_MASK + vring_size(MAX_QUEUE_NUM)];
-
-struct vring_virtqueue {
-   virtio_queue_t queue;
-   struct vring vring;
-   u16 free_head;
-   u16 last_used_idx;
-   u16 vdata[MAX_QUEUE_NUM];
-   /* PCI */
-   int queue_index;
-};
-
-struct vring_list {
-  char *addr;
-  unsigned int length;
-};
-
-static inline void vring_init(struct vring *vr,
-                         unsigned int num, unsigned char *queue)
-{
-   unsigned int i;
-   unsigned long pa;
-
-        vr->num = num;
-
-   /* physical address of desc must be page aligned */
-
-   pa = virt_to_phys(queue);
-   pa = (pa + PAGE_MASK) & ~PAGE_MASK;
-   vr->desc = phys_to_virt(pa);
-
-        vr->avail = (struct vring_avail *)&vr->desc[num];
-
-   /* physical address of used must be page aligned */
-
-   pa = virt_to_phys(&vr->avail->ring[num]);
-   pa = (pa + PAGE_MASK) & ~PAGE_MASK;
-        vr->used = phys_to_virt(pa);
-
-   for (i = 0; i < num - 1; i++)
-           vr->desc[i].next = i + 1;
-   vr->desc[i].next = 0;
-}
-
-static inline void vring_enable_cb(struct vring_virtqueue *vq)
-{
-   vq->vring.avail->flags &= ~VRING_AVAIL_F_NO_INTERRUPT;
-}
-
-static inline void vring_disable_cb(struct vring_virtqueue *vq)
-{
-   vq->vring.avail->flags |= VRING_AVAIL_F_NO_INTERRUPT;
-}
-
-
-/*
- * vring_more_used
- *
- * is there some used buffers ?
- *
- */
-
-static inline int vring_more_used(struct vring_virtqueue *vq)
-{
-   wmb();
-   return vq->last_used_idx != vq->vring.used->idx;
-}
-
-void vring_detach(struct vring_virtqueue *vq, unsigned int head);
-int vring_get_buf(struct vring_virtqueue *vq, unsigned int *len);
-void vring_add_buf(struct vring_virtqueue *vq, struct vring_list list[],
-                   unsigned int out, unsigned int in,
-                   int index, int num_added);
-void vring_kick(unsigned int ioaddr, struct vring_virtqueue *vq, int num_added);
-
-#endif /* _VIRTIO_RING_H_ */