From a89e7a10d501439f847553eb915c423c5c050cbe Mon Sep 17 00:00:00 2001
From: bryanv <bryanv@FreeBSD.org>
Date: Mon, 19 Feb 2018 19:31:18 +0000
Subject: [PATCH] Add more virtqueue getter methods

MFC after:	2 weeks
---
 sys/dev/virtio/virtqueue.c | 27 +++++++++++++++++++++++++++
 sys/dev/virtio/virtqueue.h |  4 ++++
 2 files changed, 31 insertions(+)

diff --git a/sys/dev/virtio/virtqueue.c b/sys/dev/virtio/virtqueue.c
index 9434298ce231..e23d4d25c47f 100644
--- a/sys/dev/virtio/virtqueue.c
+++ b/sys/dev/virtio/virtqueue.c
@@ -369,6 +369,33 @@ virtqueue_paddr(struct virtqueue *vq)
 	return (vtophys(vq->vq_ring_mem));
 }
 
+vm_paddr_t
+virtqueue_desc_paddr(struct virtqueue *vq)
+{
+
+	return (vtophys(vq->vq_ring.desc));
+}
+
+vm_paddr_t
+virtqueue_avail_paddr(struct virtqueue *vq)
+{
+
+	return (vtophys(vq->vq_ring.avail));
+}
+
+vm_paddr_t
+virtqueue_used_paddr(struct virtqueue *vq)
+{
+
+	return (vtophys(vq->vq_ring.used));
+}
+
+uint16_t
+virtqueue_index(struct virtqueue *vq)
+{
+	return (vq->vq_queue_index);
+}
+
 int
 virtqueue_size(struct virtqueue *vq)
 {
diff --git a/sys/dev/virtio/virtqueue.h b/sys/dev/virtio/virtqueue.h
index 7a70dc781694..7b2db673f7ae 100644
--- a/sys/dev/virtio/virtqueue.h
+++ b/sys/dev/virtio/virtqueue.h
@@ -84,7 +84,11 @@ void	 virtqueue_disable_intr(struct virtqueue *vq);
 
 /* Get physical address of the virtqueue ring. */
 vm_paddr_t virtqueue_paddr(struct virtqueue *vq);
+vm_paddr_t virtqueue_desc_paddr(struct virtqueue *vq);
+vm_paddr_t virtqueue_avail_paddr(struct virtqueue *vq);
+vm_paddr_t virtqueue_used_paddr(struct virtqueue *vq);
 
+uint16_t virtqueue_index(struct virtqueue *vq);
 int	 virtqueue_full(struct virtqueue *vq);
 int	 virtqueue_empty(struct virtqueue *vq);
 int	 virtqueue_size(struct virtqueue *vq);