external/bsd/iscsi/dist/include/iscsi.h

   1 /* $NetBSD: storage.h,v 1.6 2009/06/23 05:11:46 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