isns.h revision 303975
1/*- 2 * Copyright (c) 2014 Alexander Motin <mav@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD: releng/11.0/usr.sbin/ctld/isns.h 273635 2014-10-25 12:50:26Z mav $ 27 */ 28 29#ifndef _ISNS_H 30#define _ISNS_H 31 32#define ISNS_VERSION 0x0001 33 34#define ISNS_FUNC_DEVATTRREG 0x0001 35#define ISNS_FUNC_DEVATTRQRY 0x0002 36#define ISNS_FUNC_DEVGETNEXT 0x0003 37#define ISNS_FUNC_DEVDEREG 0x0004 38#define ISNS_FUNC_SCNREG 0x0005 39#define ISNS_FUNC_SCNDEREG 0x0006 40#define ISNS_FUNC_SCNEVENT 0x0007 41#define ISNS_FUNC_SCN 0x0008 42#define ISNS_FUNC_DDREG 0x0009 43#define ISNS_FUNC_DDDEREG 0x000a 44#define ISNS_FUNC_DDSREG 0x000b 45#define ISNS_FUNC_DDSDEREG 0x000c 46#define ISNS_FUNC_ESI 0x000d 47#define ISNS_FUNC_HEARTBEAT 0x000e 48#define ISNS_FUNC_RESPONSE 0x8000 49 50#define ISNS_FLAG_CLIENT 0x8000 51#define ISNS_FLAG_SERVER 0x4000 52#define ISNS_FLAG_AUTH 0x2000 53#define ISNS_FLAG_REPLACE 0x1000 54#define ISNS_FLAG_LAST 0x0800 55#define ISNS_FLAG_FIRST 0x0400 56 57struct isns_hdr { 58 uint8_t ih_version[2]; 59 uint8_t ih_function[2]; 60 uint8_t ih_length[2]; 61 uint8_t ih_flags[2]; 62 uint8_t ih_transaction[2]; 63 uint8_t ih_sequence[2]; 64}; 65 66struct isns_tlv { 67 uint8_t it_tag[4]; 68 uint8_t it_length[4]; 69 uint8_t it_value[]; 70}; 71 72struct isns_req { 73 u_int ir_buflen; 74 u_int ir_usedlen; 75 uint8_t *ir_buf; 76}; 77 78struct isns_req * isns_req_alloc(void); 79struct isns_req * isns_req_create(uint16_t func, uint16_t flags); 80void isns_req_free(struct isns_req *req); 81void isns_req_add(struct isns_req *req, uint32_t tag, uint32_t len, 82 const void *value); 83void isns_req_add_delim(struct isns_req *req); 84void isns_req_add_str(struct isns_req *req, uint32_t tag, const char *value); 85void isns_req_add_32(struct isns_req *req, uint32_t tag, uint32_t value); 86void isns_req_add_addr(struct isns_req *req, uint32_t tag, struct addrinfo *ai); 87void isns_req_add_port(struct isns_req *req, uint32_t tag, struct addrinfo *ai); 88int isns_req_send(int s, struct isns_req *req); 89int isns_req_receive(int s, struct isns_req *req); 90uint32_t isns_req_get_status(struct isns_req *req); 91 92#endif /* _ISNS_H */ 93