From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:53751) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cIr0G-00038V-7b for qemu-devel@nongnu.org; Mon, 19 Dec 2016 01:00:53 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cIr0F-0004hV-Gt for qemu-devel@nongnu.org; Mon, 19 Dec 2016 01:00:52 -0500 Received: from mga06.intel.com ([134.134.136.31]:33815) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cIr0F-0004Vl-96 for qemu-devel@nongnu.org; Mon, 19 Dec 2016 01:00:51 -0500 From: Wei Wang Date: Mon, 19 Dec 2016 13:58:52 +0800 Message-Id: <1482127152-84732-18-git-send-email-wei.w.wang@intel.com> In-Reply-To: <1482127152-84732-1-git-send-email-wei.w.wang@intel.com> References: <1482127152-84732-1-git-send-email-wei.w.wang@intel.com> Subject: [Qemu-devel] [RESEND Patch v1 17/37] vhost-pci-slave/msg: VHOST_USER_SET_VRING_BASE List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: marcandre.lureau@gmail.com, mst@redhat.com, stefanha@redhat.com, pbonzini@redhat.com, qemu-devel@nongnu.org, virtio-dev@lists.oasis-open.org Cc: Wei Wang Update last_avail_idx to the head node in the list. Signed-off-by: Wei Wang --- 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 77a2f68..a74b16c 100644 --- a/hw/virtio/vhost-pci-slave.c +++ b/hw/virtio/vhost-pci-slave.c @@ -216,6 +216,13 @@ 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; @@ -286,6 +293,9 @@ 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