From: Wendy Liang <jliang@xilinx.com>
Date: Wed, 3 Aug 2016 16:46:44 +0000 (-0700)
Subject: virtqueue: Use I/O region for pa to va convertion
X-Git-Tag: v2016.10~69
X-Git-Url: https://git.ti.com/gitweb?p=processor-sdk%2Fopen-amp.git;a=commitdiff_plain;h=658fb0bdeeb4c533347ae00cab57d94fd0514aaf

virtqueue: Use I/O region for pa to va convertion

In the virtqueue implementation, use I/O region for the physical
address to virtual address converstion.

Signed-off-by: Wendy Liang <jliang@xilinx.com>
---

diff --git a/lib/virtio/virtqueue.c b/lib/virtio/virtqueue.c
index 8a713b5..4025760 100644
--- a/lib/virtio/virtqueue.c
+++ b/lib/virtio/virtqueue.c
@@ -353,7 +353,7 @@ void *virtqueue_get_available_buffer(struct virtqueue *vq, uint16_t * avail_idx,
 
 	atomic_thread_fence(memory_order_seq_cst);
 
-	buffer = env_map_patova(vq->vq_ring.desc[*avail_idx].addr);
+	buffer = metal_io_phys_to_virt(vq->shm_io, vq->vq_ring.desc[*avail_idx].addr);
 	*len = vq->vq_ring.desc[*avail_idx].len;
 
 	VQUEUE_IDLE(vq);