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      1 /* $NetBSD: uscsilib.h,v 1.1 2008/05/14 16:49:48 reinoud 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 (at) 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 
    109