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/*
* This file has been modified for the cdrkit suite.
*
* The behaviour and appearence of the program code below can differ to a major
* extent from the version distributed by the original author(s).
*
* For details, see Changelog file distributed with the cdrkit package. If you
* received this file from another source then ask the distributing person for
* a log of modifications.
*
*/
/* @(#)scsitransp.h 1.54 03/05/03 Copyright 1995 J. Schilling */
/*
* Definitions for commands that use functions from scsitransp.c
*
* Copyright (c) 1995 J. Schilling
*/
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; see the file COPYING. If not, write to the Free Software
* Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef _SCG_SCSITRANSP_H
#define _SCG_SCSITRANSP_H
#ifdef __cplusplus
extern "C" {
#endif
typedef struct usal_scsi SCSI;
typedef struct {
int scsibus; /* SCSI bus # for next I/O */
int target; /* SCSI target # for next I/O */
int lun; /* SCSI lun # for next I/O */
} usal_addr_t;
#ifndef _SCG_SCGOPS_H
#include <usal/usalops.h>
#endif
typedef int (*usal_cb_t)(void *);
struct usal_scsi {
usal_ops_t *ops; /* Ptr to low level SCSI transport ops */
int fd; /* File descriptor for next I/O */
usal_addr_t addr; /* SCSI address for next I/O */
int flags; /* Libusal flags (see below) */
int dflags; /* Drive specific flags (see below) */
int kdebug; /* Kernel debug value for next I/O */
int debug; /* Debug value for SCSI library */
int silent; /* Be silent if value > 0 */
int verbose; /* Be verbose if value > 0 */
int overbose; /* Be verbose in open() if value > 0 */
int disre_disable;
int deftimeout;
int noparity; /* Do not use SCSI parity fo next I/O */
int dev; /* from scsi_cdr.c */
struct usal_cmd *scmd;
char *cmdname;
char *curcmdname;
BOOL running;
int error; /* libusal error number */
long maxdma; /* Max DMA limit for this open instance */
long maxbuf; /* Cur DMA buffer limit for this inst. */
/* This is the size behind bufptr */
struct timeval *cmdstart;
struct timeval *cmdstop;
const char **nonstderrs;
void *local; /* Local data from the low level code */
void *bufbase; /* needed for scsi_freebuf() */
void *bufptr; /* DMA buffer pointer for appl. use */
char *errstr; /* Error string for scsi_open/sendmcd */
char *errbeg; /* Pointer to begin of not flushed data */
char *errptr; /* Actual write pointer into errstr */
void *errfile; /* FILE to write errors to. NULL for not*/
/* writing and leaving errs in errstr */
usal_cb_t cb_fun;
void *cb_arg;
struct scsi_inquiry *inq;
struct scsi_capacity *cap;
};
/*
* Macros for accessing members of the usal address structure.
* usal_settarget() is the only function that is allowed to modify
* the values of the SCSI address.
*/
#define usal_scsibus(usalp) (usalp)->addr.scsibus
#define usal_target(usalp) (usalp)->addr.target
#define usal_lun(usalp) (usalp)->addr.lun
/*
* Flags for struct SCSI:
*/
/* NONE yet */
/*
* Drive specific flags for struct SCSI:
*/
#define DRF_MODE_DMA_OVR 0x0001 /* Drive gives DMA overrun */
/* on mode sense */
#define SCSI_ERRSTR_SIZE 4096
/*
* Libusal error codes:
*/
#define SCG_ERRBASE 1000000
#define SCG_NOMEM 1000001
/*
* Function codes for usal_version():
*/
#define SCG_VERSION 0 /* libusal or transport version */
#define SCG_AUTHOR 1 /* Author of above */
#define SCG_SCCS_ID 2 /* SCCS id of above */
#define SCG_RVERSION 10 /* Remote transport version */
#define SCG_RAUTHOR 11 /* Remote transport author */
#define SCG_RSCCS_ID 12 /* Remote transport SCCS ID */
#define SCG_KVERSION 20 /* Kernel transport version */
/*
* Function codes for usal_reset():
*/
#define SCG_RESET_NOP 0 /* Test if reset is supported */
#define SCG_RESET_TGT 1 /* Reset Target only */
#define SCG_RESET_BUS 2 /* Reset complete SCSI Bus */
/*
* Helpers for the error buffer in SCSI*
*/
#define usal_errsize(usalp) ((usalp)->errptr - (usalp)->errstr)
#define usal_errrsize(usalp) (SCSI_ERRSTR_SIZE - usal_errsize(usalp))
/*
* From scsitransp.c:
*/
extern char *usal_version(SCSI *usalp, int what);
extern int usal__open(SCSI *usalp, char *device);
extern int usal__close(SCSI *usalp);
extern BOOL usal_havebus(SCSI *usalp, int);
extern int usal_initiator_id(SCSI *usalp);
extern int usal_isatapi(SCSI *usalp);
extern int usal_reset(SCSI *usalp, int what);
extern void *usal_getbuf(SCSI *usalp, long);
extern void usal_freebuf(SCSI *usalp);
extern long usal_bufsize(SCSI *usalp, long);
extern void usal_setnonstderrs(SCSI *usalp, const char **);
extern BOOL usal_yes(char *);
extern int usal_cmd(SCSI *usalp);
extern void usal_vhead(SCSI *usalp);
extern int usal_svhead(SCSI *usalp, char *buf, int maxcnt);
extern int usal_vtail(SCSI *usalp);
extern int usal_svtail(SCSI *usalp, int *retp, char *buf, int maxcnt);
extern void usal_vsetup(SCSI *usalp);
extern int usal_getresid(SCSI *usalp);
extern int usal_getdmacnt(SCSI *usalp);
extern BOOL usal_cmd_err(SCSI *usalp);
extern void usal_printerr(SCSI *usalp);
#ifdef EOF /* stdio.h has been included */
extern void usal_fprinterr(SCSI *usalp, FILE *f);
#endif
extern int usal_sprinterr(SCSI *usalp, char *buf, int maxcnt);
extern int usal__sprinterr(SCSI *usalp, char *buf, int maxcnt);
extern void usal_printcdb(SCSI *usalp);
extern int usal_sprintcdb(SCSI *usalp, char *buf, int maxcnt);
extern void usal_printwdata(SCSI *usalp);
extern int usal_sprintwdata(SCSI *usalp, char *buf, int maxcnt);
extern void usal_printrdata(SCSI *usalp);
extern int usal_sprintrdata(SCSI *usalp, char *buf, int maxcnt);
extern void usal_printresult(SCSI *usalp);
extern int usal_sprintresult(SCSI *usalp, char *buf, int maxcnt);
extern void usal_printstatus(SCSI *usalp);
extern int usal_sprintstatus(SCSI *usalp, char *buf, int maxcnt);
#ifdef EOF /* stdio.h has been included */
extern void usal_fprbytes(FILE *, char *, unsigned char *, int);
extern void usal_fprascii(FILE *, char *, unsigned char *, int);
#endif
extern void usal_prbytes(char *, unsigned char *, int);
extern void usal_prascii(char *, unsigned char *, int);
extern int usal_sprbytes(char *buf, int maxcnt, char *, unsigned char *, int);
extern int usal_sprascii(char *buf, int maxcnt, char *, unsigned char *, int);
#ifdef EOF /* stdio.h has been included */
extern void usal_fprsense(FILE *f, unsigned char *, int);
#endif
extern void usal_prsense(unsigned char *, int);
extern int usal_sprsense(char *buf, int maxcnt, unsigned char *, int);
extern int usal_cmd_status(SCSI *usalp);
extern int usal_sense_key(SCSI *usalp);
extern int usal_sense_code(SCSI *usalp);
extern int usal_sense_qual(SCSI *usalp);
#ifdef _SCG_SCSIREG_H
#ifdef EOF /* stdio.h has been included */
extern void usal_fprintdev(FILE *, struct scsi_inquiry *);
#endif
extern void usal_printdev(struct scsi_inquiry *);
#endif
extern int usal_printf(SCSI *usalp, const char *form, ...);
extern int usal_errflush(SCSI *usalp);
#ifdef EOF /* stdio.h has been included */
extern int usal_errfflush(SCSI *usalp, FILE *f);
#endif
/*
* From scsierrmsg.c:
*/
extern const char *usal_sensemsg(int, int, int, const char **, char *,
int maxcnt);
#ifdef _SCG_SCSISENSE_H
extern int usal__errmsg(SCSI *usalp, char *obuf, int maxcnt,
struct scsi_sense *, struct scsi_status *, int);
#endif
/*
* From scsiopen.c:
*/
#ifdef EOF /* stdio.h has been included */
extern int usal_help(FILE *f);
#endif
extern SCSI *usal_open(char *scsidev, char *errs, int slen, int odebug,
int be_verbose);
extern int usal_close(SCSI * usalp);
extern void usal_settimeout(SCSI * usalp, int timeout);
extern SCSI *usal_smalloc(void);
extern void usal_sfree(SCSI *usalp);
/*
* From usalsettarget.c:
*/
extern int usal_settarget(SCSI *usalp, int scsibus, int target, int lun);
/*
* From scsi-remote.c:
*/
extern usal_ops_t *usal_remote(void);
/*
* From scsihelp.c:
*/
#ifdef EOF /* stdio.h has been included */
extern void __usal_help(FILE *f, char *name, char *tcomment, char *tind,
char *tspec, char *texample, BOOL mayscan,
BOOL bydev);
#endif
#ifdef __cplusplus
}
#endif
#endif /* _SCG_SCSITRANSP_H */
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