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[PULL V2 12/25] vhost: Expose vhost_svq_add
From: |
Jason Wang |
Subject: |
[PULL V2 12/25] vhost: Expose vhost_svq_add |
Date: |
Wed, 20 Jul 2022 17:03:00 +0800 |
From: Eugenio Pérez <eperezma@redhat.com>
This allows external parts of SVQ to forward custom buffers to the
device.
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
---
hw/virtio/vhost-shadow-virtqueue.c | 6 +++---
hw/virtio/vhost-shadow-virtqueue.h | 3 +++
2 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/hw/virtio/vhost-shadow-virtqueue.c
b/hw/virtio/vhost-shadow-virtqueue.c
index 1669b1f..c3a75ca 100644
--- a/hw/virtio/vhost-shadow-virtqueue.c
+++ b/hw/virtio/vhost-shadow-virtqueue.c
@@ -238,9 +238,9 @@ static void vhost_svq_kick(VhostShadowVirtqueue *svq)
*
* Return -EINVAL if element is invalid, -ENOSPC if dev queue is full
*/
-static int vhost_svq_add(VhostShadowVirtqueue *svq, const struct iovec *out_sg,
- size_t out_num, const struct iovec *in_sg,
- size_t in_num, VirtQueueElement *elem)
+int vhost_svq_add(VhostShadowVirtqueue *svq, const struct iovec *out_sg,
+ size_t out_num, const struct iovec *in_sg, size_t in_num,
+ VirtQueueElement *elem)
{
unsigned qemu_head;
unsigned ndescs = in_num + out_num;
diff --git a/hw/virtio/vhost-shadow-virtqueue.h
b/hw/virtio/vhost-shadow-virtqueue.h
index d9fc1f1..dd78f4b 100644
--- a/hw/virtio/vhost-shadow-virtqueue.h
+++ b/hw/virtio/vhost-shadow-virtqueue.h
@@ -86,6 +86,9 @@ bool vhost_svq_valid_features(uint64_t features, Error
**errp);
void vhost_svq_push_elem(VhostShadowVirtqueue *svq,
const VirtQueueElement *elem, uint32_t len);
+int vhost_svq_add(VhostShadowVirtqueue *svq, const struct iovec *out_sg,
+ size_t out_num, const struct iovec *in_sg, size_t in_num,
+ VirtQueueElement *elem);
void vhost_svq_set_svq_kick_fd(VhostShadowVirtqueue *svq, int svq_kick_fd);
void vhost_svq_set_svq_call_fd(VhostShadowVirtqueue *svq, int call_fd);
--
2.7.4
- [PULL V2 07/25] vhost: Check for queue full at vhost_svq_add, (continued)
- [PULL V2 07/25] vhost: Check for queue full at vhost_svq_add, Jason Wang, 2022/07/20
- [PULL V2 08/25] vhost: Decouple vhost_svq_add from VirtQueueElement, Jason Wang, 2022/07/20
- [PULL V2 09/25] vhost: Add SVQDescState, Jason Wang, 2022/07/20
- [PULL V2 10/25] vhost: Track number of descs in SVQDescState, Jason Wang, 2022/07/20
- [PULL V2 11/25] vhost: add vhost_svq_push_elem, Jason Wang, 2022/07/20
- [PULL V2 05/25] vhost: Reorder vhost_svq_kick, Jason Wang, 2022/07/20
- [PULL V2 17/25] vdpa: manual forward CVQ buffers, Jason Wang, 2022/07/20
- [PULL V2 15/25] vdpa: Export vhost_vdpa_dma_map and unmap calls, Jason Wang, 2022/07/20
- [PULL V2 19/25] vdpa: Extract get features part from vhost_vdpa_get_max_queue_pairs, Jason Wang, 2022/07/20
- [PULL V2 22/25] softmmu/runstate.c: add RunStateTransition support form COLO to PRELAUNCH, Jason Wang, 2022/07/20
- [PULL V2 12/25] vhost: Expose vhost_svq_add,
Jason Wang <=
- [PULL V2 14/25] vhost: Add svq avail_handler callback, Jason Wang, 2022/07/20
- [PULL V2 13/25] vhost: add vhost_svq_poll, Jason Wang, 2022/07/20
- [PULL V2 16/25] vhost-net-vdpa: add stubs for when no virtio-net device is present, Jason Wang, 2022/07/20
- [PULL V2 18/25] vdpa: Buffer CVQ support on shadow virtqueue, Jason Wang, 2022/07/20
- [PULL V2 20/25] vdpa: Add device migration blocker, Jason Wang, 2022/07/20
- [PULL V2 21/25] vdpa: Add x-svq to NetdevVhostVDPAOptions, Jason Wang, 2022/07/20
- [PULL V2 23/25] net/colo: Fix a "double free" crash to clear the conn_list, Jason Wang, 2022/07/20
- [PULL V2 24/25] net/colo.c: No need to track conn_list for filter-rewriter, Jason Wang, 2022/07/20
- [PULL V2 25/25] net/colo.c: fix segmentation fault when packet is not parsed correctly, Jason Wang, 2022/07/20