[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH V3 16/20] virtio: add a queue_index to VirtQueue
From: |
Jason Wang |
Subject: |
[Qemu-devel] [PATCH V3 16/20] virtio: add a queue_index to VirtQueue |
Date: |
Tue, 29 Jan 2013 21:51:28 +0800 |
Add a queue_index to VirtQueue and a helper to fetch it, this could be used by
multiqueue supported device.
Signed-off-by: Jason Wang <address@hidden>
---
hw/virtio.c | 8 ++++++++
hw/virtio.h | 1 +
2 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/hw/virtio.c b/hw/virtio.c
index d8c77b0..e259348 100644
--- a/hw/virtio.c
+++ b/hw/virtio.c
@@ -73,6 +73,8 @@ struct VirtQueue
/* Notification enabled? */
bool notification;
+ uint16_t queue_index;
+
int inuse;
uint16_t vector;
@@ -931,6 +933,7 @@ void virtio_init(VirtIODevice *vdev, const char *name,
for (i = 0; i < VIRTIO_PCI_QUEUE_MAX; i++) {
vdev->vq[i].vector = VIRTIO_NO_VECTOR;
vdev->vq[i].vdev = vdev;
+ vdev->vq[i].queue_index = i;
}
vdev->name = name;
@@ -1018,6 +1021,11 @@ VirtQueue *virtio_get_queue(VirtIODevice *vdev, int n)
return vdev->vq + n;
}
+uint16_t virtio_get_queue_index(VirtQueue *vq)
+{
+ return vq->queue_index;
+}
+
static void virtio_queue_guest_notifier_read(EventNotifier *n)
{
VirtQueue *vq = container_of(n, VirtQueue, guest_notifier);
diff --git a/hw/virtio.h b/hw/virtio.h
index d3da1d2..a29a54d 100644
--- a/hw/virtio.h
+++ b/hw/virtio.h
@@ -280,6 +280,7 @@ hwaddr virtio_queue_get_ring_size(VirtIODevice *vdev, int
n);
uint16_t virtio_queue_get_last_avail_idx(VirtIODevice *vdev, int n);
void virtio_queue_set_last_avail_idx(VirtIODevice *vdev, int n, uint16_t idx);
VirtQueue *virtio_get_queue(VirtIODevice *vdev, int n);
+uint16_t virtio_get_queue_index(VirtQueue *vq);
int virtio_queue_get_id(VirtQueue *vq);
EventNotifier *virtio_queue_get_guest_notifier(VirtQueue *vq);
void virtio_queue_set_guest_notifier_fd_handler(VirtQueue *vq, bool assign,
--
1.7.1
- [Qemu-devel] [PATCH V3 09/20] tap: factor out common tap initialization, (continued)
- [Qemu-devel] [PATCH V3 09/20] tap: factor out common tap initialization, Jason Wang, 2013/01/29
- [Qemu-devel] [PATCH V3 10/20] tap: add Linux multiqueue support, Jason Wang, 2013/01/29
- [Qemu-devel] [PATCH V3 11/20] tap: support enabling or disabling a queue, Jason Wang, 2013/01/29
- [Qemu-devel] [PATCH V3 12/20] tap: introduce a helper to get the name of an interface, Jason Wang, 2013/01/29
- [Qemu-devel] [PATCH V3 15/20] virtio: introduce virtio_del_queue(), Jason Wang, 2013/01/29
- [Qemu-devel] [PATCH V3 13/20] tap: multiqueue support, Jason Wang, 2013/01/29
- [Qemu-devel] [PATCH V3 17/20] virtio-net: separate virtqueue from VirtIONet, Jason Wang, 2013/01/29
- [Qemu-devel] [PATCH V3 18/20] virtio-net: multiqueue support, Jason Wang, 2013/01/29
- [Qemu-devel] [PATCH V3 19/20] virtio-net: migration support for multiqueue, Jason Wang, 2013/01/29
- [Qemu-devel] [PATCH V3 20/20] virtio-net: compat multiqueue support, Jason Wang, 2013/01/29
- [Qemu-devel] [PATCH V3 16/20] virtio: add a queue_index to VirtQueue,
Jason Wang <=
- [Qemu-devel] [PATCH V3 14/20] vhost: multiqueue support, Jason Wang, 2013/01/29