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[Qemu-devel] [PATCH 01/11] virtio: rename structure for packed ring
From: |
wexu |
Subject: |
[Qemu-devel] [PATCH 01/11] virtio: rename structure for packed ring |
Date: |
Wed, 13 Feb 2019 08:25:36 -0500 |
From: Wei Xu <address@hidden>
Redefine packed ring structure according to Qemu nomenclature.
Signed-off-by: Wei Xu <address@hidden>
---
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
- [Qemu-devel] [PATCH v3 00/11] packed ring virtio-net backends support, wexu, 2019/02/13
- [Qemu-devel] [PATCH 01/11] virtio: rename structure for packed ring,
wexu <=
- [Qemu-devel] [PATCH 09/11] virtio-net: update the head descriptor in a chain lastly, wexu, 2019/02/13
- [Qemu-devel] [PATCH 07/11] virtio: fill/flush/pop for packed ring, wexu, 2019/02/13
- [Qemu-devel] [PATCH 04/11] virtio: initialize wrap counter for packed ring, wexu, 2019/02/13
- [Qemu-devel] [PATCH 03/11] virtio: initialize packed ring region, wexu, 2019/02/13
- [Qemu-devel] [PATCH 02/11] virtio: device/driver area size calculation helper for split ring, wexu, 2019/02/13
- [Qemu-devel] [PATCH 06/11] virtio: get avail bytes check for packed ring, wexu, 2019/02/13
- [Qemu-devel] [PATCH 05/11] virtio: queue/descriptor check helpers for packed ring, wexu, 2019/02/13
- [Qemu-devel] [PATCH 08/11] virtio: event suppression support for packed ring, wexu, 2019/02/13
- [Qemu-devel] [PATCH 11/11] virtio: CLI and provide packed ring feature bit by default, wexu, 2019/02/13
- [Qemu-devel] [PATCH 10/11] virtio: migration support for packed ring, wexu, 2019/02/13