1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
|
/*
* File...........: s390-tools/fdasd/fdasd.h
* Author(s)......: Volker Sameske <sameske@de.ibm.com>
* Horst Hummel <Horst.Hummel@de.ibm.com>
* Copyright IBM Corp. 2001,2007
*/
#ifndef FDASD_H
#define FDASD_H
/*****************************************************************************
* SECTION: Definitions needed for DASD-API (see dasd.h) *
*****************************************************************************/
#define DASD_IOCTL_LETTER 'D'
#define DASD_PARTN_BITS 2
/*
* struct dasd_information_t
* represents any data about the device, which is visible to userspace.
* including foramt and featueres.
*/
typedef struct dasd_information_t {
unsigned int devno; /* S/390 devno */
unsigned int real_devno; /* for aliases */
unsigned int schid; /* S/390 subchannel identifier */
unsigned int cu_type : 16; /* from SenseID */
unsigned int cu_model : 8; /* from SenseID */
unsigned int dev_type : 16; /* from SenseID */
unsigned int dev_model : 8; /* from SenseID */
unsigned int open_count;
unsigned int req_queue_len;
unsigned int chanq_len; /* length of chanq */
char type[4]; /* from discipline.name, 'none' for */
/* unknown */
unsigned int status; /* current device level */
unsigned int label_block; /* where to find the VOLSER */
unsigned int FBA_layout; /* fixed block size (like AIXVOL) */
unsigned int characteristics_size;
unsigned int confdata_size;
char characteristics[64]; /* from read_device_characteristics */
char configuration_data[256]; /* from read_configuration_data */
} dasd_information_t;
/* Get information on a dasd device (enhanced) */
#define BIODASDINFO _IOR(DASD_IOCTL_LETTER,1,dasd_information_t)
/*****************************************************************************
* SECTION: Further IOCTL Definitions (see fs.h) *
*****************************************************************************/
#define BLKROGET _IO(0x12,94) /* get read-only status (0 = read_write) */
#define BLKRRPART _IO(0x12,95) /* re-read partition table */
#define BLKSSZGET _IO(0x12,104)/* get block device sector size */
/*****************************************************************************
* SECTION: Definition from hdreq.h *
*****************************************************************************/
struct hd_geometry {
unsigned char heads;
unsigned char sectors;
unsigned short cylinders;
unsigned long start;
};
/* get device geometry */
#define HDIO_GETGEO 0x0301
/*****************************************************************************
* SECTION: FDASD internal types *
*****************************************************************************/
#define DEFAULT_FDASD_CONF "/etc/fdasd.conf" /* default config file */
#define PARTN_MASK ((1 << DASD_PARTN_BITS) - 1)
#define USABLE_PARTITIONS ((1 << DASD_PARTN_BITS) - 1)
#define FDASD_ERROR "fdasd error: "
#define DEVICE "device"
#define DISC "disc"
#define PART "part"
#define ALTERNATE_CYLINDERS_USED 0x10
static struct option fdasd_long_options[] = {
{ "version", no_argument, NULL, 'v'},
{ "auto", no_argument, NULL, 'a'},
{ "silent", no_argument, NULL, 's'},
{ "verbose", no_argument, NULL, 'r'},
{ "label", required_argument, NULL, 'l'},
{ "config", required_argument, NULL, 'c'},
{ "help", no_argument, NULL, 'h'},
{ "table", no_argument, NULL, 'p'},
{ "volser", no_argument, NULL, 'i'},
{ "keep_volser", no_argument, NULL, 'k'},
{ 0, 0, 0, 0 }
};
/* Command line option abbreviations */
static const char option_string[] = "vasrl:c:hpik";
struct fdasd_options {
char *device;
char *volser;
char *conffile;
};
struct fdasd_options options = {
NULL, /* device */
NULL, /* volser */
NULL, /* conffile */
};
typedef struct partition_info {
u_int8_t used;
unsigned long start_trk;
unsigned long end_trk;
unsigned long len_trk;
unsigned long fspace_trk;
format1_label_t * f1;
struct partition_info *next;
struct partition_info *prev;
} partition_info_t;
typedef struct config_data {
unsigned long start;
unsigned long stop;
} config_data_t;
typedef struct fdasd_anchor {
int vlabel_changed;
int vtoc_changed;
int auto_partition;
int print_table;
int print_volser;
int keep_volser;
int big_disk;
int silent;
int verbose;
int devno;
int option_reuse;
int option_recreate;
int partno[USABLE_PARTITIONS];
u_int16_t dev_type;
unsigned int used_partitions;
unsigned long label_pos;
unsigned int blksize;
unsigned long fspace_trk;
format4_label_t *f4;
format5_label_t *f5;
format7_label_t *f7;
partition_info_t *first;
partition_info_t *last;
volume_label_t *vlabel;
config_data_t confdata[USABLE_PARTITIONS];
} fdasd_anchor_t;
enum offset {lower, upper};
enum fdasd_failure {
parser_failed,
unable_to_open_disk,
unable_to_seek_disk,
unable_to_read_disk,
read_only_disk,
unable_to_ioctl,
wrong_disk_type,
wrong_disk_format,
disk_in_use,
config_syntax_error,
vlabel_corrupted,
dsname_corrupted,
malloc_failed,
device_verification_failed,
volser_not_found
};
/* global variables */
struct hd_geometry geo;
char line_buffer[LINE_LENGTH];
char *line_ptr = line_buffer;
#define ERROR_STRING_SIZE 1024
#define INPUT_BUF_SIZE 1024
#endif /* FDASD_H */
|