From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:53395) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cICUm-00086W-4t for qemu-devel@nongnu.org; Sat, 17 Dec 2016 05:45:43 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cICUi-0008GS-UA for qemu-devel@nongnu.org; Sat, 17 Dec 2016 05:45:40 -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 1cICUi-0007ss-Iq for qemu-devel@nongnu.org; Sat, 17 Dec 2016 05:45:36 -0500 From: Wei Wang Date: Sat, 17 Dec 2016 18:43:32 +0800 Message-Id: <1481971427-11094-23-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 22/37] vhost-pci-slave/msg: VHOST_USER_SET_VRING_ENABLE 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 Enable/Disable the corresponding virtqueue pairs in the list. Signed-off-by: Wei Wang --- hw/virtio/vhost-pci-slave.c | 15 +++++++++++++++ include/hw/virtio/vhost-pci-slave.h | 1 + 2 files changed, 16 insertions(+) diff --git a/hw/virtio/vhost-pci-slave.c b/hw/virtio/vhost-pci-slave.c index e176d59..3e00e35 100644 --- a/hw/virtio/vhost-pci-slave.c +++ b/hw/virtio/vhost-pci-slave.c @@ -238,6 +238,18 @@ static void vp_slave_set_vring_call(int fd) pvq_node->callfd = fd; } +static void vp_slave_set_vring_enable(VhostUserMsg *msg) +{ + struct vhost_vring_state *state = &msg->payload.state; + PeerVqNode *pvq_node; + QLIST_FOREACH(pvq_node, &vp_slave->pvq_list, node) { + if (pvq_node->vring_num == state->index) { + pvq_node->enabled = (int)state->num; + break; + } + } +} + static int vp_slave_can_read(void *opaque) { return VHOST_USER_HDR_SIZE; @@ -332,6 +344,9 @@ static void vp_slave_read(void *opaque, const uint8_t *buf, int size) */ qemu_set_nonblock(fds[0]); break; + case VHOST_USER_SET_VRING_ENABLE: + vp_slave_set_vring_enable(&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 f6206a1..3e0f4c7 100644 --- a/include/hw/virtio/vhost-pci-slave.h +++ b/include/hw/virtio/vhost-pci-slave.h @@ -12,6 +12,7 @@ typedef struct PeerVqNode { uint32_t vring_num; int kickfd; int callfd; + int enabled; struct vhost_vring_addr addr; QLIST_ENTRY(PeerVqNode) node; } PeerVqNode; -- 2.7.4