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      1 /*
      2  * CDDL HEADER START
      3  *
      4  * The contents of this file are subject to the terms of the
      5  * Common Development and Distribution License (the "License").
      6  * You may not use this file except in compliance with the License.
      7  *
      8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
      9  * or http://www.opensolaris.org/os/licensing.
     10  * See the License for the specific language governing permissions
     11  * and limitations under the License.
     12  *
     13  * When distributing Covered Code, include this CDDL HEADER in each
     14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     15  * If applicable, add the following below this CDDL HEADER, with the
     16  * fields enclosed by brackets "[]" replaced with your own identifying
     17  * information: Portions Copyright [yyyy] [name of copyright owner]
     18  *
     19  * CDDL HEADER END
     20  */
     21 /*
     22  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
     23  * Use is subject to license terms.
     24  */
     25 
     26 #ifndef	_GLOBAL_H
     27 #define	_GLOBAL_H
     28 
     29 #ifdef	__cplusplus
     30 extern "C" {
     31 #endif
     32 
     33 /*
     34  * Definitions for Label types: L_TYPE_SOLORIS is the default Sun label
     35  * a.k.a VTOC. L_TYPE_EFI is the EFI label type.
     36  */
     37 #define	L_TYPE_SOLARIS	0
     38 #define	L_TYPE_EFI	1
     39 
     40 #ifndef	UINT_MAX64
     41 #define	UINT_MAX64	0xffffffffffffffffULL
     42 #endif
     43 
     44 #ifndef UINT_MAX32
     45 #define	UINT_MAX32	0xffffffffU
     46 #endif
     47 
     48 #if !defined(_EXTVTOC)
     49 #define	_EXTVTOC	/* extented vtoc (struct extvtoc) format is used */
     50 #endif
     51 
     52 /*
     53  * This file contains global definitions and declarations.  It is intended
     54  * to be included by everyone.
     55  */
     56 #include <stdio.h>
     57 #include <assert.h>
     58 #include <memory.h>
     59 #include <unistd.h>
     60 #include <ctype.h>
     61 #include <sys/types.h>
     62 #include <sys/param.h>
     63 #include <sys/isa_defs.h>
     64 
     65 #include <sys/dklabel.h>
     66 #include <sys/vtoc.h>
     67 #include <sys/dkio.h>
     68 
     69 #include "hardware_structs.h"
     70 #include "defect.h"
     71 #include "io.h"
     72 
     73 #include <sys/dktp/fdisk.h>
     74 #include <sys/fcntl.h>
     75 
     76 
     77 /*
     78  * These declarations are global state variables.
     79  */
     80 struct	disk_info *disk_list;		/* list of found disks */
     81 struct	ctlr_info *ctlr_list;		/* list of found ctlrs */
     82 char	cur_menu;			/* current menu level */
     83 char	last_menu;			/* last menu level */
     84 char	option_msg;			/* extended message options */
     85 char	diag_msg;			/* extended diagnostic msgs */
     86 char	option_s;			/* silent mode option */
     87 char	*option_f;			/* input redirect option */
     88 char	*option_l;			/* log file option */
     89 FILE	*log_file;			/* log file pointer */
     90 char	*option_d;			/* forced disk option */
     91 char	*option_t;			/* forced disk type option */
     92 char	*option_p;			/* forced partition table option */
     93 char	*option_x;			/* data file redirection option */
     94 FILE	*data_file;			/* data file pointer */
     95 char	*file_name;			/* current data file name */
     96 					/* for useful error messages */
     97 int	expert_mode;			/* enable for expert mode */
     98 					/* commands */
     99 int	need_newline;			/* for correctly formatted output */
    100 int	dev_expert;			/* enable for developer mode */
    101 					/* commands */
    102 
    103 /*
    104  * These declarations are used for quick access to information about
    105  * the disk being worked on.
    106  */
    107 int	cur_file;			/* file descriptor for current disk */
    108 int	cur_flags;			/* flags for current disk */
    109 int	cur_label;			/* current label type */
    110 uint_t	cur_blksz;			/* currect disk block size */
    111 struct	disk_info *cur_disk;		/* current disk */
    112 struct	disk_type *cur_dtype;		/* current dtype */
    113 struct	ctlr_info *cur_ctlr;		/* current ctlr */
    114 struct	ctlr_type *cur_ctype;		/* current ctype */
    115 struct	ctlr_ops *cur_ops;		/* current ctlr's ops vector */
    116 struct	partition_info *cur_parts;	/* current disk's partitioning */
    117 struct	defect_list cur_list;		/* current disk's defect list */
    118 void	*cur_buf;			/* current disk's I/O buffer */
    119 void	*pattern_buf;			/* current disk's pattern buffer */
    120 uint_t	pcyl;				/* # physical cyls */
    121 uint_t	ncyl;				/* # data cyls */
    122 uint_t	acyl;				/* # alt cyls */
    123 uint_t	nhead;				/* # heads */
    124 uint_t	phead;				/* # physical heads */
    125 uint_t	nsect;				/* # data sects/track */
    126 uint_t	psect;				/* # physical sects/track */
    127 uint_t	apc;				/* # alternates/cyl */
    128 uint_t	solaris_offset;			/* Solaris offset, this value is zero */
    129 					/* for non-fdisk machines. */
    130 #if defined(_SUNOS_VTOC_16)
    131 uint_t	bcyl;				/* # other cyls */
    132 #endif		/* defined(_SUNOS_VTOC_16) */
    133 
    134 struct	mboot boot_sec;			/* fdisk partition info */
    135 uint_t	xstart;				/* solaris partition start */
    136 char	x86_devname[MAXNAMELEN];	/* saved device name for fdisk */
    137 					/* information accesses */
    138 struct	mctlr_list	*controlp;	/* master controller list ptr */
    139 
    140 
    141 /*
    142  * These defines are used to manipulate the physical characteristics of
    143  * the current disk.
    144  */
    145 #define	sectors(h)	((h) == nhead - 1 ? nsect - apc : nsect)
    146 #define	spc()		(nhead * nsect - apc)
    147 #define	chs2bn(c, h, s)	(((diskaddr_t)(c) * spc() + (h) * nsect + (s)))
    148 #define	bn2c(bn)	(uint_t)((diskaddr_t)(bn) / spc())
    149 #define	bn2h(bn)	(uint_t)(((diskaddr_t)(bn) % spc()) / nsect)
    150 #define	bn2s(bn)	(uint_t)(((diskaddr_t)(bn) % spc()) % nsect)
    151 #define	datasects()	(ncyl * spc())
    152 #define	totalsects()	((ncyl + acyl) * spc())
    153 #define	physsects()	(pcyl * spc())
    154 
    155 /*
    156  * Macro to convert a device number into a partition number
    157  */
    158 #define	PARTITION(dev)	(minor(dev) & 0x07)
    159 
    160 /*
    161  * These values define flags for the current disk (cur_flags).
    162  */
    163 #define	DISK_FORMATTED		0x01	/* disk is formatted */
    164 #define	LABEL_DIRTY		0x02	/* label has been scribbled */
    165 
    166 /*
    167  * These flags are for the controller type flags field.
    168  */
    169 #define	CF_NONE		0x0000		/* NO FLAGS */
    170 #define	CF_BLABEL	0x0001		/* backup labels in funny place */
    171 #define	CF_DEFECTS	0x0002		/* disk has manuf. defect list */
    172 #define	CF_APC		0x0004		/* ctlr uses alternates per cyl */
    173 #define	CF_SMD_DEFS	0x0008		/* ctlr does smd defect handling */
    174 
    175 #define	CF_SCSI		0x0040		/* ctlr is for SCSI disks */
    176 #define	CF_EMBEDDED	0x0080		/* ctlr is for embedded SCSI disks */
    177 
    178 #define	CF_IPI		0x0100		/* ctlr is for IPI disks */
    179 #define	CF_WLIST	0x0200		/* ctlt handles working list */
    180 #define	CF_NOFORMAT	0x0400		/* Manufacture formatting only */
    181 /*
    182  * This flag has been introduced only for SPARC ATA. Which has been approved
    183  * at that time with the agreement in the next fix it will be removed and the
    184  * format will be revamped with controller Ops structure not to  have
    185  * any operation to be NULL. As it makes things more modular.
    186  *
    187  * This flag is also used for PCMCIA pcata driver.
    188  * The flag prevents reading or writing a defect list on the disk
    189  * testing and console error reporting still work normally.
    190  * This is appropriate for the PCMCIA disks which often have MS/DOS filesystems
    191  * and have not allocated any space for alternate cylinders to keep
    192  * the bab block lists.
    193  */
    194 #define	CF_NOWLIST	0x0800		/* Ctlr doesnot handle working list */
    195 
    196 
    197 /*
    198  * Do not require confirmation to extract defect lists on SCSI
    199  * and IPI drives, since this operation is instantaneous
    200  */
    201 #define	CF_CONFIRM	(CF_SCSI|CF_IPI)
    202 
    203 /*
    204  * Macros to make life easier
    205  */
    206 #define	SMD		(cur_ctype->ctype_flags & CF_SMD_DEFS)
    207 #define	SCSI		(cur_ctype->ctype_flags & CF_SCSI)
    208 #define	EMBEDDED_SCSI	((cur_ctype->ctype_flags & (CF_SCSI|CF_EMBEDDED)) == \
    209 				(CF_SCSI|CF_EMBEDDED))
    210 
    211 /*
    212  * These flags are for the disk type flags field.
    213  */
    214 #define	DT_NEED_SPEFS	0x01		/* specifics fields are uninitialized */
    215 
    216 /*
    217  * These defines are used to access the ctlr specific
    218  * disk type fields (based on ctlr flags).
    219  */
    220 #define	dtype_bps	dtype_specifics[0]	/* bytes/sector */
    221 #define	dtype_dr_type	dtype_specifics[1]	/* drive type */
    222 #define	dtype_dr_type_data dtype_specifics[2]	/* drive type in data file */
    223 
    224 /*
    225  * These flags are for the disk info flags field.
    226  */
    227 #define	DSK_LABEL	0x01		/* disk is currently labelled */
    228 #define	DSK_LABEL_DIRTY	0x02		/* disk auto-sensed, but not */
    229 					/* labeled yet. */
    230 #define	DSK_AUTO_CONFIG	0x04		/* disk was auto-configured */
    231 #define	DSK_RESERVED	0x08		/* disk is reserved by other host */
    232 #define	DSK_UNAVAILABLE	0x10		/* disk not available, could be */
    233 					/* currently formatting */
    234 
    235 /*
    236  * These flags are used to control disk command execution.
    237  */
    238 #define	F_NORMAL	0x00		/* normal operation */
    239 #define	F_SILENT	0x01		/* no error msgs at all */
    240 #define	F_ALLERRS	0x02		/* return any error, not just fatal */
    241 #define	F_RQENABLE	0x04		/* no error msgs at all */
    242 
    243 /*
    244  * Directional parameter for the op_rdwr controller op.
    245  */
    246 #define	DIR_READ	0
    247 #define	DIR_WRITE	1
    248 
    249 /*
    250  * These defines are the mode parameter for the checksum routines.
    251  */
    252 #define	CK_CHECKSUM		0		/* check checksum */
    253 #define	CK_MAKESUM		1		/* generate checksum */
    254 
    255 /*
    256  * This is the base character for partition identifiers
    257  */
    258 #define	PARTITION_BASE		'0'
    259 
    260 /*
    261  * Base pathname for devfs names to be stripped from physical name.
    262  */
    263 #define	DEVFS_PREFIX	"/devices"
    264 
    265 /*
    266  * Function prototypes ... Both for ANSI and non-ANSI C compilers
    267  */
    268 #ifdef	__STDC__
    269 
    270 int copy_solaris_part(struct ipart *);
    271 int good_fdisk(void);
    272 int fdisk_physical_name(char *);
    273 
    274 #else	/* __STDC__ */
    275 
    276 int copy_solaris_part();
    277 int good_fdisk();
    278 int fdisk_physical_name();
    279 
    280 #endif	/* __STDC__ */
    281 
    282 #ifdef	__cplusplus
    283 }
    284 #endif
    285 
    286 #endif	/* _GLOBAL_H */
    287