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[PULL 12/24] vhost: Expose vhost_svq_add
From: |
Jason Wang |
Subject: |
[PULL 12/24] vhost: Expose vhost_svq_add |
Date: |
Tue, 19 Jul 2022 21:16:25 +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 01/24] vhost: move descriptor translation to vhost_svq_vring_write_descs, (continued)
- [PULL 01/24] vhost: move descriptor translation to vhost_svq_vring_write_descs, Jason Wang, 2022/07/19
- [PULL 02/24] virtio-net: Expose MAC_TABLE_ENTRIES, Jason Wang, 2022/07/19
- [PULL 03/24] virtio-net: Expose ctrl virtqueue logic, Jason Wang, 2022/07/19
- [PULL 04/24] vdpa: Avoid compiler to squash reads to used idx, Jason Wang, 2022/07/19
- [PULL 05/24] vhost: Reorder vhost_svq_kick, Jason Wang, 2022/07/19
- [PULL 06/24] vhost: Move vhost_svq_kick call to vhost_svq_add, Jason Wang, 2022/07/19
- [PULL 07/24] vhost: Check for queue full at vhost_svq_add, Jason Wang, 2022/07/19
- [PULL 08/24] vhost: Decouple vhost_svq_add from VirtQueueElement, Jason Wang, 2022/07/19
- [PULL 09/24] vhost: Add SVQDescState, Jason Wang, 2022/07/19
- [PULL 10/24] vhost: Track number of descs in SVQDescState, Jason Wang, 2022/07/19
- [PULL 12/24] vhost: Expose vhost_svq_add,
Jason Wang <=
- [PULL 13/24] vhost: add vhost_svq_poll, Jason Wang, 2022/07/19
- [PULL 11/24] vhost: add vhost_svq_push_elem, Jason Wang, 2022/07/19
- [PULL 15/24] vdpa: Export vhost_vdpa_dma_map and unmap calls, Jason Wang, 2022/07/19
- [PULL 14/24] vhost: Add svq avail_handler callback, Jason Wang, 2022/07/19
- [PULL 16/24] vdpa: manual forward CVQ buffers, Jason Wang, 2022/07/19
- [PULL 17/24] vdpa: Buffer CVQ support on shadow virtqueue, Jason Wang, 2022/07/19
- [PULL 19/24] vdpa: Add device migration blocker, Jason Wang, 2022/07/19
- [PULL 18/24] vdpa: Extract get features part from vhost_vdpa_get_max_queue_pairs, Jason Wang, 2022/07/19
- [PULL 20/24] vdpa: Add x-svq to NetdevVhostVDPAOptions, Jason Wang, 2022/07/19
- [PULL 22/24] net/colo: Fix a "double free" crash to clear the conn_list, Jason Wang, 2022/07/19