[Qemu-devel] [PATCH v4 01/11] virtio: rename structure for packed ring

[wexu@redhat.com]

From: Wei Xu <wexu@redhat.com>

Redefine packed ring structure according to Qemu nomenclature.

Signed-off-by: Wei Xu <wexu@redhat.com>
---
 hw/virtio/virtio.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
index a1ff647..eafb4cc 100644
--- a/hw/virtio/virtio.c
+++ b/hw/virtio/virtio.c
@@ -39,6 +39,13 @@ typedef struct VRingDesc
     uint16_t next;
 } VRingDesc;
 
+typedef struct VRingPackedDesc {
+    uint64_t addr;
+    uint32_t len;
+    uint16_t id;
+    uint16_t flags;
+} VRingPackedDesc;
+
 typedef struct VRingAvail
 {
     uint16_t flags;
@@ -77,17 +84,25 @@ typedef struct VRing
     VRingMemoryRegionCaches *caches;
 } VRing;
 
+typedef struct VRingPackedDescEvent {
+    uint16_t off_wrap;
+    uint16_t flags;
+} VRingPackedDescEvent ;
+
 struct VirtQueue
 {
     VRing vring;
 
     /* Next head to pop */
     uint16_t last_avail_idx;
+    bool last_avail_wrap_counter;
 
     /* Last avail_idx read from VQ. */
     uint16_t shadow_avail_idx;
+    bool avail_wrap_counter;
 
     uint16_t used_idx;
+    bool used_wrap_counter;
 
     /* Last used index value we have signalled on */
     uint16_t signalled_used;
-- 
1.8.3.1