1 /* $NetBSD: iscsi.h,v 1.3 2009/06/30 02:44:52 agc Exp $ */ 2 3 /*- 4 * Copyright (c) 2009 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Alistair Crooks (agc@netbsd.org) 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 #ifndef ISCSI_H_ 32 #define ISCSI_H_ 1 33 34 enum { 35 ISCSI_MAXSOCK = 8 36 }; 37 38 /* variables which relate to an embedded iSCSI target */ 39 typedef struct iscsi_target_t { 40 int sockc; /* sockets where listening */ 41 int sockv[ISCSI_MAXSOCK]; /* listening sockets */ 42 int famv[ISCSI_MAXSOCK]; /* address families */ 43 int state; /* current state of target */ 44 int listener_pid; /* PID */ 45 int main_pid; /* main IQN PID */ 46 volatile int listener_listening; /* a listener is listening? */ 47 void *lunv; /* array of target devices */ 48 void *devv; /* array of devices */ 49 void *extentv; /* array of extents */ 50 uint32_t last_tsih; /* the last TSIH used */ 51 uint32_t c; /* # of vars */ 52 uint32_t size; /* size of var array */ 53 char **name; /* variable names */ 54 char **value; /* variable values */ 55 } iscsi_target_t; 56 57 /* target functions */ 58 int iscsi_target_set_defaults(iscsi_target_t *); 59 int iscsi_target_start(iscsi_target_t *); 60 int iscsi_target_listen(iscsi_target_t *); 61 int iscsi_target_shutdown(iscsi_target_t *); 62 void iscsi_target_write_pidfile(const char *); 63 int iscsi_target_setvar(iscsi_target_t *, const char *, const char *); 64 char *iscsi_target_getvar(iscsi_target_t *, const char *); 65 int iscsi_target_reconfigure(iscsi_target_t *); 66 67 typedef struct iscsi_initiator_t { 68 uint32_t c; /* # of vars */ 69 uint32_t size; /* size of var array */ 70 char **name; /* variable names */ 71 char **value; /* variable values */ 72 } iscsi_initiator_t; 73 74 int iscsi_initiator_set_defaults(iscsi_initiator_t *); 75 int iscsi_initiator_start(iscsi_initiator_t *); 76 int iscsi_initiator_info(char *, int, int); 77 int iscsi_initiator_shutdown(void); 78 int iscsi_initiator_discover(char *, uint64_t, int); 79 80 int iscsi_initiator_setvar(iscsi_initiator_t *, const char *, const char *); 81 char *iscsi_initiator_getvar(iscsi_initiator_t *, const char *); 82 83 #endif 84