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dasdtab.h
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/* DASDTAB.H (c) Copyright Roger Bowler, 1999-2006 */
/* DASD table structures */
/*-------------------------------------------------------------------*/
/* This header file contains defines the table entries that */
/* describe all DASD devices supported by Hercules. */
/* It also contains function prototypes for the DASD table utilities.*/
/*-------------------------------------------------------------------*/
#if !defined(_DASDTAB_H)
#define _DASDTAB_H
#include "hercules.h"
#ifndef _DASDTAB_C_
#ifndef _HDASD_DLL_
#define DTB_DLL_IMPORT DLL_IMPORT
#else /* _HDASD_DLL_ */
#define DTB_DLL_IMPORT extern
#endif /* _HDASD_DLL_ */
#else
#define DTB_DLL_IMPORT DLL_EXPORT
#endif
/*-------------------------------------------------------------------*/
/* Definition of a CKD DASD device entry */
/*-------------------------------------------------------------------*/
typedef struct _CKDDEV { /* CKD Device table entry */
char *name; /* Device name */
U16 devt; /* Device type */
BYTE model; /* Device model */
BYTE class; /* Device class */
BYTE code; /* Device code */
U16 cyls; /* Number primary cylinders */
U16 altcyls; /* Number alternate cylinders*/
U16 heads; /* Number heads (trks/cyl) */
U16 r0; /* R0 max size */
U16 r1; /* R1 max size */
U16 har0; /* HA/R0 overhead size */
U16 len; /* Max length */
U16 sectors; /* Number sectors */
U16 rpscalc; /* RPS calculation factor */
S16 formula; /* Space calculation formula */
U16 f1,f2,f3,f4,f5,f6; /* Space calculation factors */
char *cu; /* Default control unit name */
} CKDDEV;
#define CKDDEV_SIZE sizeof(CKDDEV)
/*-------------------------------------------------------------------*/
/* Definition of a CKD DASD control unit entry */
/*-------------------------------------------------------------------*/
typedef struct _CKDCU { /* CKD Control Unit entry */
char *name; /* Control Unit name */
U16 devt; /* Control Unit type */
BYTE model; /* Control Unit model */
BYTE code; /* Control Unit code */
U32 sctlfeat; /* Control Unit features */
U32 ciw1; /* CIW 1 */
U32 ciw2; /* CIW 2 */
U32 ciw3; /* CIW 3 */
U32 ciw4; /* CIW 4 */
U32 ciw5; /* CIW 5 */
U32 ciw6; /* CIW 6 */
U32 ciw7; /* CIW 7 */
U32 ciw8; /* CIW 8 */
} CKDCU;
#define CKDCU_SIZE sizeof(CKDCU)
/*-------------------------------------------------------------------*/
/* Definition of a FBA DASD device entry */
/*-------------------------------------------------------------------*/
typedef struct _FBADEV { /* FBA Device entry */
char *name; /* Device name */
U16 devt; /* Device type */
BYTE class; /* Device class */
BYTE type; /* Type */
BYTE model; /* Model */
U32 bpg; /* Blocks per cyclical group */
U32 bpp; /* Blocks per access position*/
U32 size; /* Block size */
U32 blks; /* Number of blocks */
U16 cu; /* Default control unit type */
} FBADEV;
#define FBADEV_SIZE sizeof(FBADEV)
/*-------------------------------------------------------------------*/
/* Request types for dasd_lookup */
/*-------------------------------------------------------------------*/
#define DASD_CKDDEV 1 /* Lookup CKD device */
#define DASD_CKDCU 2 /* Lookup CKD control unit */
#define DASD_FBADEV 3 /* Lookup FBA device */
/*-------------------------------------------------------------------*/
/* Dasd table function prototypes */
/*-------------------------------------------------------------------*/
DTB_DLL_IMPORT void *dasd_lookup (int, char *, U32 , U32 );
int dasd_build_ckd_devid (CKDDEV *, CKDCU *, BYTE *);
int dasd_build_ckd_devchar (CKDDEV *, CKDCU *, BYTE *, int);
int dasd_build_fba_devid (FBADEV *, BYTE *);
int dasd_build_fba_devchar (FBADEV *, BYTE *, int);
#endif /*!defined(_DASDTAB_H)*/