int vhost_dev_init(struct vhost_dev *hdev, void *opaque,

                   VhostBackendType backend_type, bool force)

{

    uint64_t features;

    int i, r;



    if (vhost_set_backend_type(hdev, backend_type) < 0) {

        close((uintptr_t)opaque);

        return -1;

    }



    if (hdev->vhost_ops->vhost_backend_init(hdev, opaque) < 0) {

        close((uintptr_t)opaque);

        return -errno;

    }



    r = hdev->vhost_ops->vhost_call(hdev, VHOST_SET_OWNER, NULL);

    if (r < 0) {

        goto fail;

    }



    r = hdev->vhost_ops->vhost_call(hdev, VHOST_GET_FEATURES, &features);

    if (r < 0) {

        goto fail;

    }



    for (i = 0; i < hdev->nvqs; ++i) {

        r = vhost_virtqueue_init(hdev, hdev->vqs + i, i);

        if (r < 0) {

            goto fail_vq;

        }

    }

    hdev->features = features;



    hdev->memory_listener = (MemoryListener) {

        .begin = vhost_begin,

        .commit = vhost_commit,

        .region_add = vhost_region_add,

        .region_del = vhost_region_del,

        .region_nop = vhost_region_nop,

        .log_start = vhost_log_start,

        .log_stop = vhost_log_stop,

        .log_sync = vhost_log_sync,

        .log_global_start = vhost_log_global_start,

        .log_global_stop = vhost_log_global_stop,

        .eventfd_add = vhost_eventfd_add,

        .eventfd_del = vhost_eventfd_del,

        .priority = 10

    };

    hdev->migration_blocker = NULL;

    if (!(hdev->features & (0x1ULL << VHOST_F_LOG_ALL))) {

        error_setg(&hdev->migration_blocker,

                   "Migration disabled: vhost lacks VHOST_F_LOG_ALL feature.");

        migrate_add_blocker(hdev->migration_blocker);

    }

    hdev->mem = g_malloc0(offsetof(struct vhost_memory, regions));

    hdev->n_mem_sections = 0;

    hdev->mem_sections = NULL;

    hdev->log = NULL;

    hdev->log_size = 0;

    hdev->log_enabled = false;

    hdev->started = false;

    hdev->memory_changed = false;

    memory_listener_register(&hdev->memory_listener, &address_space_memory);

    hdev->force = force;

    return 0;

fail_vq:

    while (--i >= 0) {

        vhost_virtqueue_cleanup(hdev->vqs + i);

    }

fail:

    r = -errno;

    hdev->vhost_ops->vhost_backend_cleanup(hdev);

    return r;

}

int vhost_dev_init(struct vhost_dev *hdev, void *opaque,

                   VhostBackendType backend_type, bool force)

{

    uint64_t features;

    int i, r;



    if (vhost_set_backend_type(hdev, backend_type) < 0) {

        close((uintptr_t)opaque);

        return -1;

    }



    if (hdev->vhost_ops->vhost_backend_init(hdev, opaque) < 0) {

        close((uintptr_t)opaque);

        return -errno;

    }



    r = hdev->vhost_ops->vhost_call(hdev, VHOST_SET_OWNER, NULL);

    if (r < 0) {

        goto fail;

    }



    r = hdev->vhost_ops->vhost_call(hdev, VHOST_GET_FEATURES, &features);

    if (r < 0) {

        goto fail;

    }



    for (i = 0; i < hdev->nvqs; ++i) {

        r = vhost_virtqueue_init(hdev, hdev->vqs + i, i);

        if (r < 0) {

            goto fail_vq;

        }

    }

    hdev->features = features;



    hdev->memory_listener = (MemoryListener) {

        .begin = vhost_begin,

        .commit = vhost_commit,

        .region_add = vhost_region_add,

        .region_del = vhost_region_del,

        .region_nop = vhost_region_nop,

        .log_start = vhost_log_start,

        .log_stop = vhost_log_stop,

        .log_sync = vhost_log_sync,

        .log_global_start = vhost_log_global_start,

        .log_global_stop = vhost_log_global_stop,

        .eventfd_add = vhost_eventfd_add,

        .eventfd_del = vhost_eventfd_del,

        .priority = 10

    };

    hdev->migration_blocker = NULL;

    if (!(hdev->features & (0x1ULL << VHOST_F_LOG_ALL))) {

        error_setg(&hdev->migration_blocker,

                   "Migration disabled: vhost lacks VHOST_F_LOG_ALL feature.");

        migrate_add_blocker(hdev->migration_blocker);

    }

    hdev->mem = g_malloc0(offsetof(struct vhost_memory, regions));

    hdev->n_mem_sections = 0;

    hdev->mem_sections = NULL;

    hdev->log = NULL;

    hdev->log_size = 0;

    hdev->log_enabled = false;

    hdev->started = false;

    hdev->memory_changed = false;

    memory_listener_register(&hdev->memory_listener, &address_space_memory);

    hdev->force = force;

    return 0;

fail_vq:

    while (--i >= 0) {

        vhost_virtqueue_cleanup(hdev->vqs + i);

    }

fail:

    r = -errno;

    hdev->vhost_ops->vhost_backend_cleanup(hdev);

    return r;

}

                   VhostBackendType backend_type, bool force)     hdev->force = force;
int FUNC_0(struct vhost_dev *VAR_0, void *VAR_1,

                   VhostBackendType VAR_2, bool VAR_3)

{

    uint64_t features;

    int VAR_4, VAR_5;



    if (vhost_set_backend_type(VAR_0, VAR_2) < 0) {

        close((uintptr_t)VAR_1);

        return -1;

    }



    if (VAR_0->vhost_ops->vhost_backend_init(VAR_0, VAR_1) < 0) {

        close((uintptr_t)VAR_1);

        return -errno;

    }



    VAR_5 = VAR_0->vhost_ops->vhost_call(VAR_0, VHOST_SET_OWNER, NULL);

    if (VAR_5 < 0) {

        goto fail;

    }



    VAR_5 = VAR_0->vhost_ops->vhost_call(VAR_0, VHOST_GET_FEATURES, &features);

    if (VAR_5 < 0) {

        goto fail;

    }



    for (VAR_4 = 0; VAR_4 < VAR_0->nvqs; ++VAR_4) {

        VAR_5 = vhost_virtqueue_init(VAR_0, VAR_0->vqs + VAR_4, VAR_4);

        if (VAR_5 < 0) {

            goto fail_vq;

        }

    }

    VAR_0->features = features;



    VAR_0->memory_listener = (MemoryListener) {

        .begin = vhost_begin,

        .commit = vhost_commit,

        .region_add = vhost_region_add,

        .region_del = vhost_region_del,

        .region_nop = vhost_region_nop,

        .log_start = vhost_log_start,

        .log_stop = vhost_log_stop,

        .log_sync = vhost_log_sync,

        .log_global_start = vhost_log_global_start,

        .log_global_stop = vhost_log_global_stop,

        .eventfd_add = vhost_eventfd_add,

        .eventfd_del = vhost_eventfd_del,

        .priority = 10

    };

    VAR_0->migration_blocker = NULL;

    if (!(VAR_0->features & (0x1ULL << VHOST_F_LOG_ALL))) {

        error_setg(&VAR_0->migration_blocker,

                   "Migration disabled: vhost lacks VHOST_F_LOG_ALL feature.");

        migrate_add_blocker(VAR_0->migration_blocker);

    }

    VAR_0->mem = g_malloc0(offsetof(struct vhost_memory, regions));

    VAR_0->n_mem_sections = 0;

    VAR_0->mem_sections = NULL;

    VAR_0->log = NULL;

    VAR_0->log_size = 0;

    VAR_0->log_enabled = false;

    VAR_0->started = false;

    VAR_0->memory_changed = false;

    memory_listener_register(&VAR_0->memory_listener, &address_space_memory);

    VAR_0->VAR_3 = VAR_3;

    return 0;

fail_vq:

    while (--VAR_4 >= 0) {

        vhost_virtqueue_cleanup(VAR_0->vqs + VAR_4);

    }

fail:

    VAR_5 = -errno;

    VAR_0->vhost_ops->vhost_backend_cleanup(VAR_0);

    return VAR_5;

}

int FUNC_0(struct vhost_dev *VAR_0, void *VAR_1,
VhostBackendType VAR_2, bool VAR_3)
{ uint64_t features; int VAR_4, VAR_5; if (vhost_set_backend_type(VAR_0, VAR_2) < 0) { close((uintptr_t)VAR_1); return -1; } if (VAR_0->vhost_ops->vhost_backend_init(VAR_0, VAR_1) < 0) { close((uintptr_t)VAR_1); return -errno; } VAR_5 = VAR_0->vhost_ops->vhost_call(VAR_0, VHOST_SET_OWNER, NULL); if (VAR_5 < 0) { goto fail; } VAR_5 = VAR_0->vhost_ops->vhost_call(VAR_0, VHOST_GET_FEATURES, &features); if (VAR_5 < 0) { goto fail; } for (VAR_4 = 0; VAR_4 < VAR_0->nvqs; ++VAR_4) { VAR_5 = vhost_virtqueue_init(VAR_0, VAR_0->vqs + VAR_4, VAR_4); if (VAR_5 < 0) { goto fail_vq; } } VAR_0->features = features; VAR_0->memory_listener = (MemoryListener) { .begin = vhost_begin,
.commit = vhost_commit,
.region_add = vhost_region_add,
.region_del = vhost_region_del,
.region_nop = vhost_region_nop,
.log_start = vhost_log_start,
.log_stop = vhost_log_stop,
.log_sync = vhost_log_sync,
.log_global_start = vhost_log_global_start,
.log_global_stop = vhost_log_global_stop,
.eventfd_add = vhost_eventfd_add,
.eventfd_del = vhost_eventfd_del,
.priority = 10
}; VAR_0->migration_blocker = NULL; if (!(VAR_0->features & (0x1ULL << VHOST_F_LOG_ALL))) { error_setg(&VAR_0->migration_blocker,
"Migration disabled: vhost lacks VHOST_F_LOG_ALL feature."); migrate_add_blocker(VAR_0->migration_blocker); } VAR_0->mem = g_malloc0(offsetof(struct vhost_memory, regions)); VAR_0->n_mem_sections = 0; VAR_0->mem_sections = NULL; VAR_0->log = NULL; VAR_0->log_size = 0; VAR_0->log_enabled = false; VAR_0->started = false; VAR_0->memory_changed = false; memory_listener_register(&VAR_0->memory_listener, &address_space_memory); VAR_0->VAR_3 = VAR_3; return 0; fail_vq:
while (--VAR_4 >= 0) { vhost_virtqueue_cleanup(VAR_0->vqs + VAR_4); } fail:
VAR_5 = -errno; VAR_0->vhost_ops->vhost_backend_cleanup(VAR_0); return VAR_5; }