/* Timothe Litt March 2016
 * Copyright (C) 2016 Timothe litt
 *   litt at acm dot org
 *
 * Free for use with the ODS2 package.  All other rights reserved.
 */

/*
 *       This is distributed as part of ODS2, originally  written by
 *       Paul Nankervis, email address:  Paulnank@au1.ibm.com
 *
 *       ODS2 is distributed freely for all members of the
 *       VMS community to use. However all derived works
 *       must maintain comments in their source to acknowledge
 *       the contributions of the original author and
 *       subsequent contributors.   This is free software; no
 *       warranty is offered,  and while we believe it to be useful,
 *       you use it at your own risk.
 */

#ifndef _INITVOL_H
#define _INITVOL_H

#include <stdint.h>
#include "ods2.h"

struct NEWVOL {
    const char *label;
    const char *devtype;
    const char *devnam;
    const char *username;
    uint32_t useruic;
    unsigned options;
    uint32_t clustersize;
    uint32_t maxfiles;
    uint32_t headers;
    uint32_t indexlbn;
    uint32_t directories;
    uint32_t bootlbn;
    uint32_t volprot;
    uint32_t fileprot;
    uint32_t extension;
    uint32_t windows;
};
#define INIT_INDEX_MIDDLE (~0U)
#define INIT_LOG       (1 << 0)
#define INIT_VIRTUAL   (1 << 1)
#define INIT_OWNUIC    (1 << 2)
#define INIT_VOLPROT   (1 << 3)
#define INIT_FILEPROT  (1 << 4)

#define VOL_ALPHABET "abcdefghijklmnopqrstuvwxyz$-_"            \
                    "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"

#ifdef __ALPHA
#pragma member_alignment save
#pragma nomember_alignment
#endif

struct BAD144 {
    uint32_t bbd$l_serial;
    uint16_t bbd$w_reserved;
    uint16_t bbd$w_flags;
    uint32_t bbd$l_badblock[1];
#define BBD$M_TRACK    (0x7F   << BBD$V_TRACK)
#define BBD$V_TRACK    (24)
#define BBD$M_SECTOR   (0xFF   << BBD$V_SECTOR)
#define BBD$V_SECTOR   (16)
#define BBD$M_CYLINDER (0x7FFF << BBD$V_CYLINDER)
#define BBD$V_CYLINDER (0)
#define BBD$C_FILL     ((uint32_t)~0u)
};

struct SWBADENT {
    uint8_t bbm$b_highlbn;
    uint8_t bbm$b_count;
    uint16_t bbm$w_lowlbn;
};
struct SWBAD {
    uint8_t bbm$b_countsize;
    uint8_t bbm$b_lbnsize;
    uint8_t bbm$b_inuse;
    uint8_t bbm$b_avail;
    struct SWBADENT bbm$r_map[126];
    uint16_t bbm$w_reserved;
    uint16_t bbm$w_checksum;
};

#ifdef __ALPHA
#pragma member_alignment restore
#endif

vmscond_t initvol( void *dev, struct NEWVOL *params );
uint32_t delta_from_index( size_t index );

vmscond_t addmappointers( struct HEAD *fhd,
                          uint32_t *start, uint32_t *n, int sparse );

#endif