diff options
Diffstat (limited to 'hw/virtio')
| -rw-r--r-- | hw/virtio/trace-events | 2 | ||||
| -rw-r--r-- | hw/virtio/vhost-user.c | 34 |
2 files changed, 36 insertions, 0 deletions
diff --git a/hw/virtio/trace-events b/hw/virtio/trace-events index fe5e0ff856..857c495e65 100644 --- a/hw/virtio/trace-events +++ b/hw/virtio/trace-events @@ -7,6 +7,8 @@ vhost_region_add_section_abut(const char *name, uint64_t new_size) "%s: 0x%"PRIx vhost_section(const char *name, int r) "%s:%d" # hw/virtio/vhost-user.c +vhost_user_postcopy_end_entry(void) "" +vhost_user_postcopy_end_exit(void) "" vhost_user_postcopy_fault_handler(const char *name, uint64_t fault_address, int nregions) "%s: @0x%"PRIx64" nregions:%d" vhost_user_postcopy_fault_handler_loop(int i, uint64_t client_base, uint64_t size) "%d: client 0x%"PRIx64" +0x%"PRIx64 vhost_user_postcopy_fault_handler_found(int i, uint64_t region_offset, uint64_t rb_offset) "%d: region_offset: 0x%"PRIx64" rb_offset:0x%"PRIx64 diff --git a/hw/virtio/vhost-user.c b/hw/virtio/vhost-user.c index 230f2f9d55..44aea5c0a8 100644 --- a/hw/virtio/vhost-user.c +++ b/hw/virtio/vhost-user.c @@ -1114,6 +1114,37 @@ static int vhost_user_postcopy_listen(struct vhost_dev *dev, Error **errp) return 0; } +/* + * Called at the end of postcopy + */ +static int vhost_user_postcopy_end(struct vhost_dev *dev, Error **errp) +{ + VhostUserMsg msg = { + .hdr.request = VHOST_USER_POSTCOPY_END, + .hdr.flags = VHOST_USER_VERSION | VHOST_USER_NEED_REPLY_MASK, + }; + int ret; + struct vhost_user *u = dev->opaque; + + trace_vhost_user_postcopy_end_entry(); + if (vhost_user_write(dev, &msg, NULL, 0) < 0) { + error_setg(errp, "Failed to send postcopy_end to vhost"); + return -1; + } + + ret = process_message_reply(dev, &msg); + if (ret) { + error_setg(errp, "Failed to receive reply to postcopy_end"); + return ret; + } + postcopy_unregister_shared_ufd(&u->postcopy_fd); + u->postcopy_fd.handler = NULL; + + trace_vhost_user_postcopy_end_exit(); + + return 0; +} + static int vhost_user_postcopy_notifier(NotifierWithReturn *notifier, void *opaque) { @@ -1139,6 +1170,9 @@ static int vhost_user_postcopy_notifier(NotifierWithReturn *notifier, case POSTCOPY_NOTIFY_INBOUND_LISTEN: return vhost_user_postcopy_listen(dev, pnd->errp); + case POSTCOPY_NOTIFY_INBOUND_END: + return vhost_user_postcopy_end(dev, pnd->errp); + default: /* We ignore notifications we don't know */ break; |