From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:53330) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cICUa-0007hQ-Bf for qemu-devel@nongnu.org; Sat, 17 Dec 2016 05:45:31 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cICUZ-0008Bt-MM for qemu-devel@nongnu.org; Sat, 17 Dec 2016 05:45:28 -0500 Received: from mga05.intel.com ([192.55.52.43]:21540) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cICUZ-0007ss-EW for qemu-devel@nongnu.org; Sat, 17 Dec 2016 05:45:27 -0500 From: Wei Wang Date: Sat, 17 Dec 2016 18:43:27 +0800 Message-Id: <1481971427-11094-18-git-send-email-wei.w.wang@intel.com> In-Reply-To: <1481971427-11094-1-git-send-email-wei.w.wang@intel.com> References: <1481971427-11094-1-git-send-email-wei.w.wang@intel.com> Subject: [Qemu-devel] [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 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