xref: /illumos-gate/usr/src/cmd/format/hardware_structs.h (revision 50981ffc7e4c5048d14890df805afee6ec113991)
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 2008 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #ifndef	_HARDWARE_STRUCTS_H
27 #define	_HARDWARE_STRUCTS_H
28 
29 #ifdef	__cplusplus
30 extern "C" {
31 #endif
32 
33 #include <sys/isa_defs.h>
34 
35 #include <sys/dktp/fdisk.h>
36 #include <sys/dklabel.h>
37 #include <sys/efi_partition.h>
38 
39 /*
40  * This file contains definitions of data structures pertaining to disks
41  * and controllers.
42  */
43 
44 /*
45  * This structure describes a specific disk.  These structures are in a
46  * linked list because they are malloc'd as disks are found during the
47  * initial search.
48  */
49 struct disk_info {
50 	int			label_type;	/* EFI or non-EFI disk */
51 	struct dk_cinfo		disk_dkinfo;	/* controller config info */
52 	struct disk_type	*disk_type;	/* ptr to physical info */
53 	struct partition_info	*disk_parts;	/* ptr to partition info */
54 	struct dk_gpt		*efi_parts;	/* ptr to partition info */
55 	struct ctlr_info	*disk_ctlr;	/* ptr to disk's ctlr */
56 	struct disk_info	*disk_next;	/* ptr to next disk */
57 	struct ipart		fdisk_part;	/* fdisk partition info */
58 	int			disk_flags;	/* misc gotchas */
59 	char			*disk_name;	/* name of the disk */
60 	char			*disk_path;	/* pathname to device */
61 	char			*devfs_name;	/* devfs name for device */
62 	char			v_volume[LEN_DKL_VVOL];
63 						/* volume name from label */
64 						/* (no terminating null) */
65 };
66 
67 #define	NSPECIFICS	8
68 
69 /*
70  * This structure describes a type (model) of drive.  It is malloc'd
71  * and filled in as the data file is read and when a type 'other' disk
72  * is selected.  The link is used to make a list of all drive types
73  * supported by a ctlr type.
74  */
75 struct disk_type {
76 	char	*dtype_asciilabel;		/* drive identifier */
77 	int	dtype_flags;			/* flags for disk type */
78 	ulong_t	dtype_options;			/* flags for options */
79 	uint_t	dtype_fmt_time;			/* format time */
80 	uint_t	dtype_bpt;			/* # bytes per track */
81 	uint_t	dtype_ncyl;			/* # of data cylinders */
82 	uint_t	dtype_acyl;			/* # of alternate cylinders */
83 	uint_t	dtype_pcyl;			/* # of physical cylinders */
84 	uint_t	dtype_nhead;			/* # of heads */
85 	uint_t	dtype_phead;			/* # of physical heads */
86 	uint_t	dtype_nsect;			/* # of data sectors/track */
87 	uint_t	dtype_psect;			/* # physical sectors/track */
88 	uint_t	dtype_rpm;			/* rotations per minute */
89 	int	dtype_cyl_skew;			/* cylinder skew */
90 	int	dtype_trk_skew;			/* track skew */
91 	uint_t	dtype_trks_zone;		/* # tracks per zone */
92 	uint_t	dtype_atrks;			/* # alt. tracks  */
93 	uint_t	dtype_asect;			/* # alt. sectors */
94 	int	dtype_cache;			/* cache control */
95 	int	dtype_threshold;		/* cache prefetch threshold */
96 	int	dtype_read_retries;		/* read retries */
97 	int	dtype_write_retries;		/* write retries */
98 	int	dtype_prefetch_min;		/* cache min. prefetch */
99 	int	dtype_prefetch_max;		/* cache max. prefetch */
100 	uint_t	dtype_specifics[NSPECIFICS];	/* ctlr specific drive info */
101 	struct	chg_list	*dtype_chglist;	/* mode sense/select */
102 						/* change list - scsi */
103 	struct	partition_info	*dtype_plist;	/* possible partitions */
104 	struct	disk_type	*dtype_next;	/* ptr to next drive type */
105 	/*
106 	 * Added so that we can print a useful diagnostic if
107 	 * inconsistent definitions found in multiple files.
108 	 */
109 	char	*dtype_filename;		/* filename where defined */
110 	int	dtype_lineno;			/* line number in file */
111 
112 	char		vendor[9];
113 	char		product[17];
114 	char		revision[5];
115 	uint64_t	capacity;
116 };
117 
118 struct efi_info {
119 	char		vendor[9];
120 	char		product[17];
121 	char		revision[5];
122 	uint64_t	capacity;
123 	struct dk_gpt	*e_parts;
124 };
125 
126 /*
127  * This structure describes a specific ctlr.  These structures are in
128  * a linked list because they are malloc'd as ctlrs are found during
129  * the initial search.
130  */
131 struct ctlr_info {
132 	char	ctlr_cname[DK_DEVLEN+1];	/* name of ctlr */
133 	char	ctlr_dname[DK_DEVLEN+1];	/* name of disks */
134 	ushort_t ctlr_flags;			/* flags for ctlr */
135 	short	ctlr_num;			/* number of ctlr */
136 	int	ctlr_addr;			/* address of ctlr */
137 	uint_t	ctlr_space;			/* bus space it occupies */
138 	int	ctlr_prio;			/* interrupt priority */
139 	int	ctlr_vec;			/* interrupt vector */
140 	struct	ctlr_type *ctlr_ctype;		/* ptr to ctlr type info */
141 	struct	ctlr_info *ctlr_next;		/* ptr to next ctlr */
142 };
143 
144 /*
145  * This structure describes a type (model) of ctlr.  All supported ctlr
146  * types are built into the program statically, they cannot be added by
147  * the user.
148  */
149 struct ctlr_type {
150 	ushort_t ctype_ctype;			/* type of ctlr */
151 	char	*ctype_name;			/* name of ctlr type */
152 	struct	ctlr_ops *ctype_ops;		/* ptr to ops vector */
153 	int	ctype_flags;			/* flags for gotchas */
154 	struct	disk_type *ctype_dlist;		/* list of disk types */
155 };
156 
157 /*
158  * This structure is the operation vector for a controller type.  It
159  * contains pointers to all the functions a controller type can support.
160  */
161 struct ctlr_ops {
162 	int	(*op_rdwr)();		/* read/write - mandatory */
163 	int	(*op_ck_format)();	/* check format - mandatory */
164 	int	(*op_format)();		/* format - mandatory */
165 	int	(*op_ex_man)();		/* get manufacturer's list - optional */
166 	int	(*op_ex_cur)();		/* get current list - optional */
167 	int	(*op_repair)();		/* repair bad sector - optional */
168 	int	(*op_create)();		/* create original manufacturers */
169 					/* defect list. - optional */
170 	int	(*op_wr_cur)();		/* write current list - optional */
171 };
172 
173 /*
174  * This structure describes a specific partition layout.  It is malloc'd
175  * when the data file is read and whenever the user creates his own
176  * partition layout.  The link is used to make a list of possible
177  * partition layouts for each drive type.
178  */
179 struct partition_info {
180 	char	*pinfo_name;			/* name of layout */
181 	struct	dk_map32 pinfo_map[NDKMAP];	/* layout info */
182 	struct	dk_vtoc vtoc;			/* SVr4 vtoc additions */
183 	struct	partition_info *pinfo_next;	/* ptr to next layout */
184 	char	*pinfo_filename;		/* filename where defined */
185 	int	pinfo_lineno;			/* line number in file */
186 	struct	dk_gpt	*etoc;			/* EFI partition info */
187 };
188 
189 
190 /*
191  * This structure describes a change to be made to a particular
192  * SCSI mode sense page, before issuing a mode select on that
193  * page.  This changes are specified in format.dat, and one
194  * such structure is created for each specification, linked
195  * into a list, in the order specified.
196  */
197 struct chg_list {
198 	int		pageno;		/* mode sense page no. */
199 	int		byteno;		/* byte within page */
200 	int		mode;		/* see below */
201 	int		value;		/* desired value */
202 	struct chg_list	*next;		/* ptr to next */
203 };
204 
205 /*
206  * Change list modes
207  */
208 #define	CHG_MODE_UNDEFINED	(-1)		/* undefined value */
209 #define	CHG_MODE_SET		0		/* set bits by or'ing */
210 #define	CHG_MODE_CLR		1		/* clr bits by and'ing */
211 #define	CHG_MODE_ABS		2		/* set absolute value */
212 
213 /*
214  * This is the structure that creates a dynamic list of controllers
215  * that we know about.  This structure will point to the items that
216  * use to be statically created in the format program but will now allow
217  * dynamic creation of the list so that we can do 3'rd party generic
218  * disk/controller support.
219  */
220 
221 struct mctlr_list {
222 	struct mctlr_list *next;
223 	struct ctlr_type  *ctlr_type;
224 };
225 
226 #ifdef	__cplusplus
227 }
228 #endif
229 
230 #endif	/* _HARDWARE_STRUCTS_H */
231