darling-xnu/bsd/sys/vsock_transport.h
2023-05-16 21:41:14 -07:00

79 lines
2.6 KiB
C

/*
* Copyright (c) 2020 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. The rights granted to you under the License
* may not be used to create, or enable the creation or redistribution of,
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
*
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
#ifndef _VSOCK_TRANSPORT_H_
#define _VSOCK_TRANSPORT_H_
#ifdef KERNEL_PRIVATE
#include <sys/cdefs.h>
__BEGIN_DECLS
#include <sys/queue.h>
#include <sys/kernel_types.h>
#include <sys/vsock.h>
#define VSOCK_MAX_PACKET_SIZE 65536
enum vsock_operation {
VSOCK_REQUEST = 0,
VSOCK_RESPONSE = 1,
VSOCK_PAYLOAD = 2,
VSOCK_SHUTDOWN = 3,
VSOCK_SHUTDOWN_RECEIVE = 4,
VSOCK_SHUTDOWN_SEND = 5,
VSOCK_RESET = 6,
VSOCK_CREDIT_UPDATE = 7,
VSOCK_CREDIT_REQUEST = 8,
};
struct vsock_address {
uint32_t cid;
uint32_t port;
};
struct vsock_transport {
void *provider;
int (*get_cid)(void *provider, uint32_t *cid);
int (*attach_socket)(void *provider);
int (*detach_socket)(void *provider);
int (*put_message)(void *provider, struct vsock_address src, struct vsock_address dst,
enum vsock_operation op, uint32_t buf_alloc, uint32_t fwd_cnt, mbuf_t m);
};
extern int vsock_add_transport(struct vsock_transport *transport);
extern int vsock_remove_transport(struct vsock_transport *transport);
extern int vsock_reset_transport(struct vsock_transport *transport);
extern int vsock_put_message(struct vsock_address src, struct vsock_address dst,
enum vsock_operation op, uint32_t buf_alloc, uint32_t fwd_cnt, mbuf_t m);
__END_DECLS
#endif /* KERNEL_PRIVATE */
#endif /* _VSOCK_TRANSPORT_H_ */