162 lines
5.1 KiB
C
162 lines
5.1 KiB
C
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/* @(#)global.h 1.1 94/10/31 SMI */
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/*
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* Copyright (c) 1991 by Sun Microsystems, Inc.
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*/
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#ifndef _GLOBAL_
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#define _GLOBAL_
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/*
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* This file contains global definitions and declarations. It is intended
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* to be included by everyone.
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*/
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#include <stdio.h>
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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/buf.h>
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#include <sun/dkio.h>
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#include <sun/dklabel.h>
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#include "hardware_structs.h"
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#include "defect.h"
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#include "io.h"
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extern char *strcpy();
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extern char *strcat();
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extern char *strncat();
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extern long strtol();
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extern char *sprintf();
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extern char *zalloc();
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extern char *rezalloc();
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/*
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* These declarations are global state variables.
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*/
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struct disk_info *disk_list; /* list of found disks */
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struct ctlr_info *ctlr_list; /* list of found ctlrs */
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char cur_menu; /* current menu level */
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char last_menu; /* last menu level */
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char option_msg; /* extended message options */
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char option_s; /* silent mode option */
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char *option_f; /* input redirect option */
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char *option_l; /* log file option */
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FILE *log_file; /* log file pointer */
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char *option_d; /* forced disk option */
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char *option_t; /* forced disk type option */
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char *option_p; /* forced partition table option */
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char *option_x; /* data file redirection option */
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FILE *data_file; /* data file pointer */
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/*
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* These declarations are used for quick access to information about
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* the disk being worked on.
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*/
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int cur_file; /* file descriptor for current disk */
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int cur_flags; /* flags for current disk */
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struct disk_info *cur_disk; /* current disk */
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struct disk_type *cur_dtype; /* current dtype */
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struct ctlr_info *cur_ctlr; /* current ctlr */
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struct ctlr_type *cur_ctype; /* current ctype */
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struct ctlr_ops *cur_ops; /* current ctlr's ops vector */
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struct partition_info *cur_parts; /* current disk's partitioning */
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struct defect_list cur_list; /* current disk's defect list */
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char *cur_buf; /* current disk's I/O buffer */
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char *pattern_buf; /* current disk's pattern buffer */
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u_short pcyl; /* # physical cyls on current disk */
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u_short ncyl; /* # data cyls on current disk */
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u_short acyl; /* # alt cyls on current disk */
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u_short nhead; /* # heads on current disk */
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u_short nsect; /* # data sects/track on current disk */
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u_short apc; /* # alternates/cyl on current disk */
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u_int bpt; /* # bytes/track on current disk */
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u_short psect; /* physical sectors per track */
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u_short phead; /* physical heads */
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/*
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* Flag to indicate which SCSI driver we are talking to:
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* sun4c, with the uscsi interface; or the old sun4 driver,
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* using the "dk_cmd" interface.
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*/
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short sun4_flag;
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/*
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* These defines are used to manipulate the physical characteristics of
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* the current disk.
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*/
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#define sectors(h) ((h) == nhead - 1 ? nsect - apc : nsect)
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#define spc() (nhead * nsect - apc)
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#define chs2bn(c,h,s) ((daddr_t)((c) * spc() + (h) * nsect + (s)))
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#define bn2c(bn) ((short)((bn) / spc()))
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#define bn2h(bn) ((short)(((bn) % spc()) / nsect))
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#define bn2s(bn) ((short)(((bn) % spc()) % nsect))
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#define datasects() (ncyl * spc())
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#define totalsects() ((ncyl + acyl) * spc())
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#define physsects() (pcyl * spc())
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/*
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* These values define flags for the current disk (cur_flags).
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*/
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#define DISK_FORMATTED 0x01 /* disk is formatted */
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#define LABEL_DIRTY 0x02 /* label has been scribbled */
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/*
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* These flags are for the controller type flags field.
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*/
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#define CF_BLABEL 0x0001 /* backup labels in funny place */
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#define CF_DEFECTS 0x0002 /* disk has manuf. defect list */
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#define CF_APC 0x0004 /* ctlr uses alternates per cyl */
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#define CF_SMD_DEFS 0x0008 /* ctlr does smd defect handling */
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#define CF_BSK_WPR 0x0010 /* ctlr does buf_sk and wr_prcmp */
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#define CF_450_TYPES 0x0020 /* ctlr does drive types */
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#define CF_SCSI 0x0040 /* ctlr is for SCSI disks */
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#define CF_IPI 0x0080 /* ctlr is for IPI disks */
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#define CF_WLIST 0x0100 /* controller handles working list */
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#define CF_EMBEDDED 0x0200 /* embedded scsi controller */
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/*
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* Macros to make life easier
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*/
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#define EMBEDDED_SCSI (cur_ctype->ctype_flags & CF_EMBEDDED)
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/*
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* These flags are for the disk type flags field.
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*/
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#define DT_NEED_SPEFS 0x01 /* specifics fields are uninitialized */
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/*
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* These defines are used to access the ctlr specific
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* disk type fields (based on ctlr flags).
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*/
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#define dtype_buf_sk dtype_specifics[0] /* buffer skew */
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#define dtype_wr_prcmp dtype_specifics[1] /* write precomp */
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#define dtype_bps dtype_specifics[0] /* bytes/sector */
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#define dtype_dr_type dtype_specifics[1] /* drive type */
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/*
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* These flags are for the disk info flags field.
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*/
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#define DSK_LABEL 0x01 /* disk is currently labelled */
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/*
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* These flags are used to control disk command execution.
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*/
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#define F_NORMAL 0x00 /* normal operation */
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#define F_SILENT 0x01 /* no error msgs at all */
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#define F_ALLERRS 0x02 /* return any error, not just fatal */
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/*
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* These defines are the directional parameter for the rdwr controller op.
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*/
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#define DIR_READ 0
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#define DIR_WRITE 1
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/*
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* These defines are the mode parameter for the checksum routines.
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*/
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#define CK_CHECKSUM 0 /* check checksum */
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#define CK_MAKESUM 1 /* generate checksum */
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#endif !_GLOBAL_
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