usr.sbin/mmcformat/uscsilib.h

   1 /* $NetBSD: extern.h,v 1.4 2002/06/26 16:04:11 mjacob Exp $     */
   2
   3 /*-
   4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
   9  * NASA Ames Research Center.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions and the following disclaimer.
  16  * 2. Redistributions in binary form must reproduce the above copyright
  17  *    notice, this list of conditions and the following disclaimer in the
  18  *    documentation and/or other materials provided with the distribution.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  23  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  30  * POSSIBILITY OF SUCH DAMAGE.
  31  *
  32  * Small changes made by Reinoud Zandijk <reinoud@netbsd.org>
  33  *
  34  */
  35
  36 #ifndef _SCSILIB_H_
  37 #define _SCSILIB_H_
  38
  39
  40 #define SCSI_CMD_LEN  12
  41 typedef unsigned char scsicmd[SCSI_CMD_LEN];
  42
  43 #include "defs.h"
  44 #include "uscsilib_machdep.h"
  45 extern  int uscsilib_verbose;
  46
  47
  48 /*
  49  * Unified structure copied and modified from NetBSD's <sys/scsiio.h> for ease
  50  */
  51
  52 struct  uscsi_addr {
  53         int type;       /* bus type */
  54 #define USCSI_TYPE_SCSI  0
  55 #define USCSI_TYPE_ATAPI 1
  56         union {
  57                 struct {
  58                         int scbus;  /* -1 if wildcard */
  59                         int target; /* -1 if wildcard */
  60                         int lun;    /* -1 if wildcard */
  61                 } scsi;
  62                 struct {
  63                         int atbus;  /* -1 if wildcard */
  64                         int drive;  /* -1 if wildcard */
  65                 } atapi;
  66         } addr;
  67 };
  68
  69
  70 struct uscsi_sense {
  71         int asc;                /* Additional sense code */
  72         int ascq;               /* Additional sense code quality */
  73         int skey_valid;         /* sense key valid */
  74         int sense_key;          /* sense key; interpret on (asc, ascq) pair */
  75 };
  76
  77
  78 struct uscsi_dev {
  79         char    *dev_name;
  80         int      fhandle;
  81         void    *devhandle;     /* for if a fhandle is not enough */
  82 };
  83
  84
  85 /* uscsi_sense.c */
  86 extern char *uscsi_decode_sense(void *sinfo, int flag);
  87 extern void  uscsi_print_sense(const char *name, u_char *req_cmd,
  88         int req_cmdlen, u_char *req_sense, int req_senselen_used,
  89         int verbosity);
  90
  91
  92 /* scsi_subr.c */
  93 extern int  uscsi_open(struct uscsi_dev *);
  94 extern int  uscsi_close(struct uscsi_dev *);
  95 extern int  uscsi_command(int flags, struct uscsi_dev *disc,
  96         void *cmd, size_t cmdlen, void *data, size_t datalen,
  97         uint32_t timeout, struct uscsi_sense *uscsi_sense);
  98 extern int  uscsi_check_for_scsi(struct uscsi_dev *);
  99 extern int  uscsi_identify(struct uscsi_dev *, struct uscsi_addr *saddr);
 100
 101 extern int  uscsi_mode_sense(struct uscsi_dev *, u_int8_t, u_int8_t,
 102         void *, size_t);
 103 extern int  uscsi_mode_select(struct uscsi_dev *, u_int8_t, void *, size_t);
 104 extern int  uscsi_request_sense(struct uscsi_dev *, void *, size_t);
 105
 106
 107 #endif  /* _SCSILIB_H_ */
 108