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8b11ea73ac
GitHub-ID: #19 Signed-off-by: Rafael Fonseca <r4f4rfs@gmail.com> Acked-by: Jan Höppner <hoeppner@linux.vnet.ibm.com> Signed-off-by: Stefan Haberland <sth@linux.vnet.ibm.com>
144 lines
3.5 KiB
C
144 lines
3.5 KiB
C
/*
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* fdasd - Create or modify partitions on ECKD DASDs
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*
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* Copyright IBM Corp. 2001, 2017
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*
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* s390-tools is free software; you can redistribute it and/or modify
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* it under the terms of the MIT license. See LICENSE for details.
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*/
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#ifndef FDASD_H
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#define FDASD_H
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/*****************************************************************************
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* SECTION: Definitions needed for DASD-API (see dasd.h) *
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*****************************************************************************/
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#define DASD_PARTN_BITS 2
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/*****************************************************************************
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* SECTION: FDASD internal types *
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*****************************************************************************/
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#define PARTN_MASK ((1 << DASD_PARTN_BITS) - 1)
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#define USABLE_PARTITIONS ((1 << DASD_PARTN_BITS) - 1)
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#define DEFAULT_FDASD_CONF "/etc/fdasd.conf" /* default config file */
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#define CONFIG_FILE_SIZE (USABLE_PARTITIONS * LINE_LENGTH)
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#define CONFIG_MAX 3 /* maximum number of parameters per config file entry */
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#define FDASD_ERROR "fdasd error: "
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#define DEVICE "device"
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#define DISC "disc"
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#define PART "part"
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#define ALTERNATE_CYLINDERS_USED 0x10
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/* partition types */
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#define PARTITION_NEW 0
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#define PARTITION_NATIVE 1
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#define PARTITION_SWAP 2
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#define PARTITION_RAID 3
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#define PARTITION_LVM 4
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#define PARTITION_GPFS 5
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/*
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* PARTITION_NEW is the first item in our partition_types array and technically
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* maps to PARTITION_NATIVE. As PARTITION_NEW isn't a valid partition_type, it
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* can be ignored. Use this offset when iterate over the array.
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*/
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#define VALID_PARTITION_OFFSET 1
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typedef struct partition_type {
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char *name; /* User-friendly Name */
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char *dsname; /* Data Set Name */
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int type; /* Numerical Representation */
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} partition_type_t;
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struct fdasd_options {
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char *device;
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char *volser;
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char *conffile;
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};
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static struct fdasd_options options = {
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NULL, /* device */
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NULL, /* volser */
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NULL, /* conffile */
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};
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typedef struct partition_info {
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u_int8_t used;
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unsigned long start_trk;
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unsigned long end_trk;
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unsigned long len_trk;
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unsigned long fspace_trk;
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format1_label_t *f1;
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int type;
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struct partition_info *next;
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struct partition_info *prev;
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} partition_info_t;
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typedef struct config_data {
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unsigned long start;
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unsigned long stop;
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int type;
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} config_data_t;
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typedef struct fdasd_anchor {
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int vlabel_changed;
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int vtoc_changed;
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int auto_partition;
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int print_table;
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int print_volser;
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int keep_volser;
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int force_virtual;
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int force_host;
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int big_disk;
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int silent;
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int verbose;
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int devno;
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int option_reuse;
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int option_recreate;
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int partno[USABLE_PARTITIONS];
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u_int16_t dev_type;
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unsigned int used_partitions;
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unsigned long label_pos;
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unsigned int blksize;
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unsigned long fspace_trk;
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format4_label_t *f4;
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format5_label_t *f5;
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format7_label_t *f7;
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format9_label_t *f9; /* template for all f9 labels */
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partition_info_t *first;
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partition_info_t *last;
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volume_label_t *vlabel;
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config_data_t confdata[USABLE_PARTITIONS];
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u_int32_t hw_cylinders;
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u_int32_t formatted_cylinders;
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} fdasd_anchor_t;
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enum offset {lower, upper};
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enum fdasd_failure {
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parser_failed,
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unable_to_open_disk,
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unable_to_seek_disk,
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unable_to_read_disk,
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read_only_disk,
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unable_to_ioctl,
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wrong_disk_type,
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wrong_disk_format,
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disk_in_use,
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config_syntax_error,
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vlabel_corrupted,
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dsname_corrupted,
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malloc_failed,
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device_verification_failed,
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volser_not_found
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};
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#define ERROR_STRING_SIZE 1024
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#define INPUT_BUF_SIZE 1024
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#endif /* FDASD_H */
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