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Subject: [PATCH v1 17/37] vhost-pci-slave/msg: VHOST_USER_SET_VRING_BASE
Update last_avail_idx to the head node in the list. Signed-off-by: Wei Wang <wei.w.wang@intel.com> --- hw/virtio/vhost-pci-slave.c | 10 ++++++++++ include/hw/virtio/vhost-pci-slave.h | 1 + 2 files changed, 11 insertions(+) diff --git a/hw/virtio/vhost-pci-slave.c b/hw/virtio/vhost-pci-slave.c index 0deab2d..e33c59e 100644 --- a/hw/virtio/vhost-pci-slave.c +++ b/hw/virtio/vhost-pci-slave.c @@ -209,6 +209,13 @@ static void vp_slave_set_vring_num(VhostUserMsg *msg) pvq_node->vring_num = msg->payload.u64; } +static void vp_slave_set_vring_base(VhostUserMsg *msg) +{ + PeerVqNode *pvq_node = QLIST_FIRST(&vp_slave->pvq_list); + + pvq_node->last_avail_idx = msg->payload.u64; +} + static int vp_slave_can_read(void *opaque) { return VHOST_USER_HDR_SIZE; @@ -275,6 +282,9 @@ static void vp_slave_read(void *opaque, const uint8_t *buf, int size) vp_slave_alloc_pvq_node(); vp_slave_set_vring_num(&msg); break; + case VHOST_USER_SET_VRING_BASE: + vp_slave_set_vring_base(&msg); + break; default: error_report("vhost-pci-slave does not support msg request = %d", msg.request); diff --git a/include/hw/virtio/vhost-pci-slave.h b/include/hw/virtio/vhost-pci-slave.h index fe4824c..cfe4107 100644 --- a/include/hw/virtio/vhost-pci-slave.h +++ b/include/hw/virtio/vhost-pci-slave.h @@ -6,6 +6,7 @@ #include "standard-headers/linux/vhost_pci_net.h" typedef struct PeerVqNode { + uint16_t last_avail_idx; uint32_t vring_num; QLIST_ENTRY(PeerVqNode) node; } PeerVqNode; -- 2.7.4
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