/* * 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 #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 */