C++ (Cpp) vhost_net_cleanup示例

示例#1

文件： vhost-user.c 项目： Mellanox/qemu

static int vhost_user_start(int queues, NetClientState *ncs[], CharBackend *be)
{
    VhostNetOptions options;
    struct vhost_net *net = NULL;
    NetVhostUserState *s;
    int max_queues;
    int i;

    options.backend_type = VHOST_BACKEND_TYPE_USER;

    for (i = 0; i < queues; i++) {
        assert(ncs[i]->info->type == NET_CLIENT_DRIVER_VHOST_USER);

        s = DO_UPCAST(NetVhostUserState, nc, ncs[i]);

        options.net_backend = ncs[i];
        options.opaque      = be;
        options.busyloop_timeout = 0;
        net = vhost_net_init(&options);
        if (!net) {
            error_report("failed to init vhost_net for queue %d", i);
            goto err;
        }

        if (i == 0) {
            max_queues = vhost_net_get_max_queues(net);
            if (queues > max_queues) {
                error_report("you are asking more queues than supported: %d",
                             max_queues);
                goto err;
            }
        }

        if (s->vhost_net) {
            vhost_net_cleanup(s->vhost_net);
            g_free(s->vhost_net);
        }
        s->vhost_net = net;
    }

    return 0;

err:
    if (net) {
        vhost_net_cleanup(net);
        g_free(net);
    }
    vhost_user_stop(i, ncs);
    return -1;
}

示例#2

文件： vhost-user.c 项目： LingxiaoJIA/qemu

static void vhost_user_stop(VhostUserState *s)
{
    if (vhost_user_running(s)) {
        vhost_net_cleanup(s->vhost_net);
    }

    s->vhost_net = 0;
}

示例#3

文件： vhost-user.c 项目： Isaac-Lozano/qemu

static void vhost_user_cleanup(NetClientState *nc)
{
    VhostUserState *s = DO_UPCAST(VhostUserState, nc, nc);

    if (s->vhost_net) {
        vhost_net_cleanup(s->vhost_net);
        s->vhost_net = NULL;
    }

    qemu_purge_queued_packets(nc);
}

示例#4

文件： vhost-user.c 项目： AmesianX/panda

static void vhost_user_cleanup(NetClientState *nc)
{
    VhostUserState *s = DO_UPCAST(VhostUserState, nc, nc);

    if (s->vhost_net) {
        vhost_net_cleanup(s->vhost_net);
        g_free(s->vhost_net);
        s->vhost_net = NULL;
    }
    if (nc->queue_index == 0) {
        qemu_chr_fe_deinit(&s->chr);
    }

    qemu_purge_queued_packets(nc);
}

示例#5

文件： vhost-user.c 项目： C2Devel/qemu-kvm

static void vhost_user_cleanup(NetClientState *nc)
{
    VhostUserState *s = DO_UPCAST(VhostUserState, nc, nc);

    if (s->vhost_net) {
        vhost_net_cleanup(s->vhost_net);
        s->vhost_net = NULL;
    }
    if (s->chr) {
        qemu_chr_add_handlers(s->chr, NULL, NULL, NULL, NULL);
        qemu_chr_fe_release(s->chr);
        s->chr = NULL;
    }

    qemu_purge_queued_packets(nc);
}

示例#6

文件： tap.c 项目： pleed/pyqemu

static void tap_cleanup(VLANClientState *nc)
{
    TAPState *s = DO_UPCAST(TAPState, nc, nc);

    if (s->vhost_net) {
        vhost_net_cleanup(s->vhost_net);
    }

    qemu_purge_queued_packets(nc);

    if (s->down_script[0])
        launch_script(s->down_script, s->down_script_arg, s->fd);

    tap_read_poll(s, 0);
    tap_write_poll(s, 0);
    close(s->fd);
}

示例#7

文件： vhost-user.c 项目： Mellanox/qemu

static void vhost_user_cleanup(NetClientState *nc)
{
    NetVhostUserState *s = DO_UPCAST(NetVhostUserState, nc, nc);

    if (s->vhost_net) {
        vhost_net_cleanup(s->vhost_net);
        g_free(s->vhost_net);
        s->vhost_net = NULL;
    }
    if (nc->queue_index == 0) {
        if (s->watch) {
            g_source_remove(s->watch);
            s->watch = 0;
        }
        qemu_chr_fe_deinit(&s->chr, true);
    }

    qemu_purge_queued_packets(nc);
}

示例#8

文件： tap.c 项目： Whishay/qemu-rsc-v7

static void tap_cleanup(NetClientState *nc)
{
    TAPState *s = DO_UPCAST(TAPState, nc, nc);

    if (s->vhost_net) {
        vhost_net_cleanup(s->vhost_net);
        s->vhost_net = NULL;
    }

    qemu_purge_queued_packets(nc);

    tap_exit_notify(&s->exit, NULL);
    qemu_remove_exit_notifier(&s->exit);

    tap_read_poll(s, false);
    tap_write_poll(s, false);
    close(s->fd);
    s->fd = -1;
}

示例#9

文件： vhost-user.c 项目： 8tab/qemu

static void vhost_user_stop(int queues, NetClientState *ncs[])
{
    VhostUserState *s;
    int i;

    for (i = 0; i < queues; i++) {
        assert(ncs[i]->info->type == NET_CLIENT_DRIVER_VHOST_USER);

        s = DO_UPCAST(VhostUserState, nc, ncs[i]);

        if (s->vhost_net) {
            /* save acked features */
            uint64_t features = vhost_net_get_acked_features(s->vhost_net);
            if (features) {
                s->acked_features = features;
            }
            vhost_net_cleanup(s->vhost_net);
        }
    }
}

示例#10

文件： vhost-user.c 项目： C2Devel/qemu-kvm

static void vhost_user_stop(int queues, NetClientState *ncs[])
{
    VhostUserState *s;
    int i;

    for (i = 0; i < queues; i++) {
        assert (ncs[i]->info->type == NET_CLIENT_OPTIONS_KIND_VHOST_USER);

        s = DO_UPCAST(VhostUserState, nc, ncs[i]);
        if (!vhost_user_running(s)) {
            continue;
        }

        if (s->vhost_net) {
            /* save acked features */
            s->acked_features = vhost_net_get_acked_features(s->vhost_net);
            vhost_net_cleanup(s->vhost_net);
            s->vhost_net = NULL;
        }
    }
}

示例#11

文件： tap.c 项目： 01org/qemu-lite

static void tap_cleanup(NetClientState *nc)
{
    TAPState *s = DO_UPCAST(TAPState, nc, nc);
    Error *err = NULL;

    if (s->vhost_net) {
        vhost_net_cleanup(s->vhost_net);
        s->vhost_net = NULL;
    }

    qemu_purge_queued_packets(nc);

    if (s->down_script[0]) {
        launch_script(s->down_script, s->down_script_arg, s->fd, &err);
        if (err) {
            error_report_err(err);
        }
    }

    tap_read_poll(s, false);
    tap_write_poll(s, false);
    close(s->fd);
    s->fd = -1;
}