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33 #ifndef _GUEST_CHANNEL_H
34 #define _GUEST_CHANNEL_H
40 #include <channel_commands.h>
43 * Connect to the Virtio-Serial VM end-point located in path. It is
44 * thread safe for unique lcore_ids. This function must be only called once from
48 * The path to the serial device on the filesystem
54 * - Negative on error.
56 int guest_channel_host_connect(const char *path, unsigned lcore_id);
59 * Disconnect from an already connected Virtio-Serial Endpoint.
66 void guest_channel_host_disconnect(unsigned lcore_id);
69 * Send a message contained in pkt over the Virtio-Serial to the host endpoint.
72 * Pointer to a populated struct guest_agent_pkt
79 * - Negative on channel not connected.
80 * - errno on write to channel error.
82 int guest_channel_send_msg(struct channel_packet *pkt, unsigned lcore_id);