X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fvirtio%2Fvirtio_ring.h;h=17a56b0a7341e3916649e953d9e45d24dfc916c7;hb=d566bfcff0c7bfe167f6c520d4fd5b0104130af6;hp=1760823c65299bf62912c04700fd9e62ecb05c44;hpb=f803734b0f2e6c556d9bf7fe8f11638429e3a00f;p=dpdk.git

diff --git a/drivers/net/virtio/virtio_ring.h b/drivers/net/virtio/virtio_ring.h
index 1760823c65..17a56b0a73 100644
--- a/drivers/net/virtio/virtio_ring.h
+++ b/drivers/net/virtio/virtio_ring.h
@@ -15,10 +15,15 @@
 #define VRING_DESC_F_WRITE      2
 /* This means the buffer contains a list of buffer descriptors. */
 #define VRING_DESC_F_INDIRECT   4
+
 /* This flag means the descriptor was made available by the driver */
-#define VRING_DESC_F_AVAIL(b)   ((uint16_t)(b) << 7)
+#define VRING_PACKED_DESC_F_AVAIL	(1 << 7)
 /* This flag means the descriptor was used by the device */
-#define VRING_DESC_F_USED(b)    ((uint16_t)(b) << 15)
+#define VRING_PACKED_DESC_F_USED	(1 << 15)
+
+/* Frequently used combinations */
+#define VRING_PACKED_DESC_F_AVAIL_USED	(VRING_PACKED_DESC_F_AVAIL | \
+					 VRING_PACKED_DESC_F_USED)
 
 /* The Host uses this in used->flags to advise the Guest: don't kick me
  * when you add a buffer.  It's unreliable, so it's simply an
@@ -54,7 +59,7 @@ struct vring_used_elem {
 
 struct vring_used {
 	uint16_t flags;
-	volatile uint16_t idx;
+	uint16_t idx;
 	struct vring_used_elem ring[0];
 };
 
@@ -78,10 +83,9 @@ struct vring_packed_desc_event {
 
 struct vring_packed {
 	unsigned int num;
-	struct vring_packed_desc *desc_packed;
-	struct vring_packed_desc_event *driver_event;
-	struct vring_packed_desc_event *device_event;
-
+	struct vring_packed_desc *desc;
+	struct vring_packed_desc_event *driver;
+	struct vring_packed_desc_event *device;
 };
 
 struct vring {
@@ -129,7 +133,7 @@ vring_size(struct virtio_hw *hw, unsigned int num, unsigned long align)
 {
 	size_t size;
 
-	if (vtpci_packed_queue(hw)) {
+	if (virtio_with_packed_queue(hw)) {
 		size = num * sizeof(struct vring_packed_desc);
 		size += sizeof(struct vring_packed_desc_event);
 		size = RTE_ALIGN_CEIL(size, align);
@@ -161,11 +165,11 @@ vring_init_packed(struct vring_packed *vr, uint8_t *p, unsigned long align,
 		 unsigned int num)
 {
 	vr->num = num;
-	vr->desc_packed = (struct vring_packed_desc *)p;
-	vr->driver_event = (struct vring_packed_desc_event *)(p +
+	vr->desc = (struct vring_packed_desc *)p;
+	vr->driver = (struct vring_packed_desc_event *)(p +
 			vr->num * sizeof(struct vring_packed_desc));
-	vr->device_event = (struct vring_packed_desc_event *)
-		RTE_ALIGN_CEIL((uintptr_t)(vr->driver_event +
+	vr->device = (struct vring_packed_desc_event *)
+		RTE_ALIGN_CEIL(((uintptr_t)vr->driver +
 				sizeof(struct vring_packed_desc_event)), align);
 }