1 files changed, 0 insertions, 134 deletions
diff --git a/gpxe/src/drivers/bus/virtio-ring.c b/gpxe/src/drivers/bus/virtio-ring.c
deleted file mode 100644
index 6415f626..00000000
--- a/gpxe/src/drivers/bus/virtio-ring.c
+++ /dev/null
@@ -1,134 +0,0 @@
-/* virtio-pci.c - virtio ring management
- *
- * (c) Copyright 2008 Bull S.A.S.
- *
- *  Author: Laurent Vivier <Laurent.Vivier@bull.net>
- *
- *  some parts from Linux Virtio Ring
- *
- *  Copyright Rusty Russell IBM Corporation 2007
- *
- * This work is licensed under the terms of the GNU GPL, version 2 or later.
- * See the COPYING file in the top-level directory.
- *
- *
- */
-
-#include "etherboot.h"
-#include "gpxe/io.h"
-#include "gpxe/virtio-ring.h"
-#include "gpxe/virtio-pci.h"
-
-#define BUG() do { \
-   printf("BUG: failure at %s:%d/%s()!\n", \
-          __FILE__, __LINE__, __FUNCTION__); \
-   while(1); \
-} while (0)
-#define BUG_ON(condition) do { if (condition) BUG(); } while (0)
-
-/*
- * vring_free
- *
- * put at the begin of the free list the current desc[head]
- */
-
-void vring_detach(struct vring_virtqueue *vq, unsigned int head)
-{
-   struct vring *vr = &vq->vring;
-   unsigned int i;
-
-   /* find end of given descriptor */
-
-   i = head;
-   while (vr->desc[i].flags & VRING_DESC_F_NEXT)
-           i = vr->desc[i].next;
-
-   /* link it with free list and point to it */
-
-   vr->desc[i].next = vq->free_head;
-   wmb();
-   vq->free_head = head;
-}
-
-/*
- * vring_get_buf
- *
- * get a buffer from the used list
- *
- */
-
-int vring_get_buf(struct vring_virtqueue *vq, unsigned int *len)
-{
-   struct vring *vr = &vq->vring;
-   struct vring_used_elem *elem;
-   u32 id;
-   int ret;
-
-   BUG_ON(!vring_more_used(vq));
-
-   elem = &vr->used->ring[vq->last_used_idx % vr->num];
-   wmb();
-   id = elem->id;
-   if (len != NULL)
-           *len = elem->len;
-
-   ret = vq->vdata[id];
-
-   vring_detach(vq, id);
-
-   vq->last_used_idx++;
-
-   return ret;
-}
-
-void vring_add_buf(struct vring_virtqueue *vq,
-		   struct vring_list list[],
-		   unsigned int out, unsigned int in,
-		   int index, int num_added)
-{
-   struct vring *vr = &vq->vring;
-   int i, avail, head, prev;
-
-   BUG_ON(out + in == 0);
-
-   prev = 0;
-   head = vq->free_head;
-   for (i = head; out; i = vr->desc[i].next, out--) {
-
-           vr->desc[i].flags = VRING_DESC_F_NEXT;
-           vr->desc[i].addr = (u64)virt_to_phys(list->addr);
-           vr->desc[i].len = list->length;
-           prev = i;
-           list++;
-   }
-   for ( ; in; i = vr->desc[i].next, in--) {
-
-           vr->desc[i].flags = VRING_DESC_F_NEXT|VRING_DESC_F_WRITE;
-           vr->desc[i].addr = (u64)virt_to_phys(list->addr);
-           vr->desc[i].len = list->length;
-           prev = i;
-           list++;
-   }
-   vr->desc[prev].flags &= ~VRING_DESC_F_NEXT;
-
-   vq->free_head = i;
-
-   vq->vdata[head] = index;
-
-   avail = (vr->avail->idx + num_added) % vr->num;
-   vr->avail->ring[avail] = head;
-   wmb();
-}
-
-void vring_kick(unsigned int ioaddr, struct vring_virtqueue *vq, int num_added)
-{
-   struct vring *vr = &vq->vring;
-
-   wmb();
-   vr->avail->idx += num_added;
-
-   mb();
-   if (!(vr->used->flags & VRING_USED_F_NO_NOTIFY))
-           vp_notify(ioaddr, vq->queue_index);
-}
-