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dasdtab.c
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dasdtab.c
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/* DASDTAB.C (c) Copyright Roger Bowler, 1999-2009 */
/* Hercules Supported DASD definitions */
/*-------------------------------------------------------------------*/
/* This module contains the tables that define the attributes of */
/* each DASD device and control unit supported by Hercules. */
/* Routines are also provided to perform table lookup and build the */
/* device identifier and characteristics areas. */
/* */
/* Note: source for most CKD/FBA device capacities take from SDI's */
/* device capacity page at: http://www.sdisw.com/dasd_capacity.html */
/* (used with permission) */
/*-------------------------------------------------------------------*/
#include "hstdinc.h"
#define _DASDTAB_C_
#define _HDASD_DLL_
#include "hercules.h"
/*-------------------------------------------------------------------*/
/* CKD device definitions */
/*-------------------------------------------------------------------*/
static CKDDEV ckdtab[] = {
/* name type model clas code prime a hd r0 r1 har0 len sec rps f f1 f2 f3 f4 f5 f6 cu */
{"2305", 0x2305,0x00,0x20,0x00, 48,0, 8,14568,14136, 432,14568, 90,0x0000,-1,202,432, 0, 0, 0,0,"2835"},
{"2305-1", 0x2305,0x00,0x20,0x00, 48,0, 8,14568,14136, 432,14568, 90,0x0000,-1,202,432, 0, 0, 0,0,"2835"},
{"2305-2", 0x2305,0x02,0x20,0x00, 96,0, 8,14858,14660, 198,14858, 90,0x0000,-1, 91,198, 0, 0, 0,0,"2835"},
{"2311", 0x2311,0x00,0x20,0x00, 200,3,10, 0, 3625, 0, 3625, 0,0x0000,-2,20, 61, 537, 512, 0,0,"2841"},
{"2311-1", 0x2311,0x00,0x20,0x00, 200,3,10, 0, 3625, 0, 3625, 0,0x0000,-2,20, 61, 537, 512, 0,0,"2841"},
{"2314", 0x2314,0x00,0x20,0x00, 200,3,20, 0, 7294, 0, 7294, 0,0x0000,-2,45,101,2137,2048, 0,0,"2314"},
{"2314-1", 0x2314,0x00,0x20,0x00, 200,3,20, 0, 7294, 0, 7294, 0,0x0000,-2,45,101,2137,2048, 0,0,"2314"},
{"3330", 0x3330,0x01,0x20,0x00, 404,7,19,13165,13030, 135,13165,128,0x0000,-1,56,135, 0, 0, 0,0,"3830"},
{"3330-1", 0x3330,0x01,0x20,0x00, 404,7,19,13165,13030, 135,13165,128,0x0000,-1,56,135, 0, 0, 0,0,"3830"},
{"3330-2", 0x3330,0x11,0x20,0x00, 808,7,19,13165,13030, 135,13165,128,0x0000,-1,56,135, 0, 0, 0,0,"3830"},
{"3330-11", 0x3330,0x11,0x20,0x00, 808,7,19,13165,13030, 135,13165,128,0x0000,-1,56,135, 0, 0, 0,0,"3830"},
{"3340", 0x3340,0x01,0x20,0x00, 348,1,12, 8535, 8368, 167, 8535, 64,0x0000,-1,75,167, 0, 0, 0,0,"3830"},
{"3340-1", 0x3340,0x01,0x20,0x00, 348,1,12, 8535, 8368, 167, 8535, 64,0x0000,-1,75,167, 0, 0, 0,0,"3830"},
{"3340-35", 0x3340,0x01,0x20,0x00, 348,1,12, 8535, 8368, 167, 8535, 64,0x0000,-1,75,167, 0, 0, 0,0,"3830"},
{"3340-2", 0x3340,0x02,0x20,0x00, 696,2,12, 8535, 8368, 167, 8535, 64,0x0000,-1,75,167, 0, 0, 0,0,"3830"},
{"3340-70", 0x3340,0x02,0x20,0x00, 696,2,12, 8535, 8368, 167, 8535, 64,0x0000,-1,75,167, 0, 0, 0,0,"3830"},
{"3350", 0x3350,0x00,0x20,0x00, 555,5,30,19254,19069, 185,19254,128,0x0000,-1,82,185, 0, 0, 0,0,"3830"},
{"3350-1", 0x3350,0x00,0x20,0x00, 555,5,30,19254,19069, 185,19254,128,0x0000,-1,82,185, 0, 0, 0,0,"3830"},
/* name type model clas code prime a hd r0 r1 har0 len sec rps f f1 f2 f3 f4 f5 f6 cu */
{"3375", 0x3375,0x02,0x20,0x0e, 959,3,12,36000,35616, 832,36000,196,0x5007, 1, 32,384,160, 0, 0,0,"3880"},
{"3375-1", 0x3375,0x02,0x20,0x0e, 959,3,12,36000,35616, 832,36000,196,0x5007, 1, 32,384,160, 0, 0,0,"3880"},
{"3380", 0x3380,0x02,0x20,0x0e, 885,1,15,47988,47476,1088,47968,222,0x5007, 1, 32,492,236, 0, 0,0,"3880"},
{"3380-1", 0x3380,0x02,0x20,0x0e, 885,1,15,47988,47476,1088,47968,222,0x5007, 1, 32,492,236, 0, 0,0,"3880"},
{"3380-A", 0x3380,0x02,0x20,0x0e, 885,1,15,47988,47476,1088,47968,222,0x5007, 1, 32,492,236, 0, 0,0,"3880"},
{"3380-B", 0x3380,0x02,0x20,0x0e, 885,1,15,47988,47476,1088,47968,222,0x5007, 1, 32,492,236, 0, 0,0,"3880"},
{"3380-D", 0x3380,0x06,0x20,0x0e, 885,1,15,47988,47476,1088,47968,222,0x5007, 1, 32,492,236, 0, 0,0,"3880"},
{"3380-J", 0x3380,0x16,0x20,0x0e, 885,1,15,47988,47476,1088,47968,222,0x5007, 1, 32,492,236, 0, 0,0,"3880"},
{"3380-2", 0x3380,0x0a,0x20,0x0e, 1770,2,15,47988,47476,1088,47968,222,0x5007, 1, 32,492,236, 0, 0,0,"3880"},
{"3380-E", 0x3380,0x0a,0x20,0x0e, 1770,2,15,47988,47476,1088,47968,222,0x5007, 1, 32,492,236, 0, 0,0,"3880"},
{"3380-3", 0x3380,0x1e,0x20,0x0e, 2655,3,15,47988,47476,1088,47968,222,0x5007, 1, 32,492,236, 0, 0,0,"3880"},
{"3380-K", 0x3380,0x1e,0x20,0x0e, 2655,3,15,47988,47476,1088,47968,222,0x5007, 1, 32,492,236, 0, 0,0,"3880"},
{"EMC3380K+", 0x3380,0x1e,0x20,0x0e, 3339,3,15,47988,47476,1088,47968,222,0x5007, 1, 32,492,236, 0, 0,0,"3880"},
{"EMC3380K++",0x3380,0x1e,0x20,0x0e, 3993,3,15,47988,47476,1088,47968,222,0x5007, 1, 32,492,236, 0, 0,0,"3880"},
/* name type model clas code prime a hd r0 r1 har0 len sec rps f f1 f2 f3 f4 f5 f6 cu */
{"3390", 0x3390,0x02,0x20,0x26, 1113,1,15,57326,56664,1428,58786,224,0x7708, 2, 34,19, 9, 6,116,6,"3990"},
{"3390-1", 0x3390,0x02,0x20,0x26, 1113,1,15,57326,56664,1428,58786,224,0x7708, 2, 34,19, 9, 6,116,6,"3990"},
{"3390-2", 0x3390,0x06,0x20,0x27, 2226,1,15,57326,56664,1428,58786,224,0x7708, 2, 34,19, 9, 6,116,6,"3990"},
{"3390-3", 0x3390,0x0a,0x20,0x24, 3339,1,15,57326,56664,1428,58786,224,0x7708, 2, 34,19, 9, 6,116,6,"3990"},
{"3390-9", 0x3390,0x0c,0x20,0x32,10017,3,15,57326,56664,1428,58786,224,0x7708, 2, 34,19, 9, 6,116,6,"3990"},
{"3390-27", 0x3390,0x0c,0x20,0x32,32760,3,15,57326,56664,1428,58786,224,0x7708, 2, 34,19, 9, 6,116,6,"3990"},
{"3390-J", 0x3390,0x0c,0x20,0x32,32760,3,15,57326,56664,1428,58786,224,0x7708, 2, 34,19, 9, 6,116,6,"3990"},
{"3390-54", 0x3390,0x0c,0x20,0x32,65520,3,15,57326,56664,1428,58786,224,0x7708, 2, 34,19, 9, 6,116,6,"3990"},
{"3390-JJ", 0x3390,0x0c,0x20,0x32,65520,3,15,57326,56664,1428,58786,224,0x7708, 2, 34,19, 9, 6,116,6,"3990"},
{"9345", 0x9345,0x04,0x20,0x04, 1440,0,15,48174,46456,1184,48280,213,0x8b07, 2, 34,18, 7, 6,116,6,"9343"},
{"9345-1", 0x9345,0x04,0x20,0x04, 1440,0,15,48174,46456,1184,48280,213,0x8b07, 2, 34,18, 7, 6,116,6,"9343"},
{"9345-2", 0x9345,0x04,0x20,0x04, 2156,0,15,48174,46456,1184,48280,213,0x8b07, 2, 34,18, 7, 6,116,6,"9343"}
/* name type model clas code prime a hd r0 r1 har0 len sec rps f f1 f2 f3 f4 f5 f6 cu */
} ;
#define CKDDEV_NUM (sizeof(ckdtab)/CKDDEV_SIZE)
/*-------------------------------------------------------------------*/
/* CKD control unit definitions */
/*-------------------------------------------------------------------*/
/* */
/* */
/* 3880, 3990, 2105 and higher coding */
/* ---------------------------------- */
/* */
/* Model coding bits (RDC byte 2): */
/* */
/* 11.. .... 3880 Speed Matching Buffer (LR support) */
/* ..1. .... Non-Gap-Synchronous mode */
/* .... 1... Cached */
/* .... .011 3880-3 */
/* .... .101 3880-3 Feature 3005 - 3380 AJ4/AK4 Attachment */
/* .... .010 3990-1/2 Nocache/Synchronous */
/* .... .100 3990-3/6/7 Basic Operation Mode */
/* .... .001 3990-6/7 Enhanced Mode */
/* */
/* */
/* Features (RDC bytes 6-9): */
/* */
/* Byte 6: */
/* 1... .... Multiple Burst ECC (ignored, 3380 devices) */
/* .1.. .... Locate Record, Read Tracks */
/* ..1. .... Reserved */
/* ...1 .... Locate Record, Read */
/* .... ...1 Reserved for VM minidisk use */
/* (testing this bit for zero is not reliable as an */
/* indicator that this is not a minidisk; can fail */
/* when minidisk is a fullpack minidisk) */
/* */
/* Byte 7 - Levels defining byte 8 format */
/* 0000 0000 Not supported by Hercules, must be zero */
/* */
/* Byte 8 - Added feature support */
/* 000. .... Not supported by Hercules, must be zero */
/* ...1 .... Data striping (required for VSAM Extended Format) */
/* .... 0000 Not supported by Hercules, must be zero */
/* */
/* Byte 9 - Subsystem Program Visible Facilities */
/* 1... .... Cache Fast Write supported (not supported, yet!) */
/* (non-retentive data) */
/* .1.. .... Lock Facility supported (not supported, yet!) */
/* ..1. .... Record Cache supported */
/* ...1 .... Track Cache supported */
/* .... 1... Dual Copy supported (not supported) */
/* .... .1.. DASD Fast Write supported (not supported) */
/* .... ..1. Reset Allegiance (not supported, yet!) */
/* .... ...1 24 Byte Compatibility Sense Format */
/* (set by code when 3380 on 3390 controller) */
/* */
/* */
/*-------------------------------------------------------------------*/
static CKDCU ckdcutab[] = {
/* func/ type */
/* name type model code feat code features ciws --------- senselength */
{"2314", 0x2314,0x00,0x00,0x00,0x00,0x00000000,0,0,0,0,0,0,0,0,6},
{"2835", 0x2835,0x00,0x00,0x00,0x00,0x00000000,0,0,0,0,0,0,0,0,6},
{"2841", 0x2841,0x00,0x00,0x00,0x00,0x00000000,0,0,0,0,0,0,0,0,6},
{"3830", 0x3830,0x02,0x00,0x00,0x00,0x00000000,0,0,0,0,0,0,0,0,24},
{"3880", 0x3880,0x05,0x09,0x00,0x00,0x80000000,0,0,0,0,0,0,0,0,24},
{"3990", 0x3990,0xc2,0x10,0x00,0x00,0xd0000000,0x40fa0100,0,0,0,0,0,0,0,32},
{"3990-3", 0x3990,0xec,0x06,0x00,0x00,0xd0001010,0x40fa0100,0x41270004,0x423e0040,0,0,0,0,0,32},
{"3990-6", 0x3990,0xe9,0x15,0x48,0x15,0x50001010,0x40fa0100,0x41270004,0x423e0060,0,0,0,0,0,32},
{"9343", 0x9343,0xe0,0x11,0x00,0x00,0x80000000,0,0,0,0,0,0,0,0,32}
/*"2105", 0x2105,0xe8,0x15,0x48,0x15,0x50000037,0x40fa0100,0x41270004,0x423e01a0,0x433e0008,0,0,0,0,32}, */
} ;
#define CKDCU_NUM (sizeof(ckdcutab)/CKDCU_SIZE)
/*-------------------------------------------------------------------*/
/* FBA device definitions - courtesy of Tomas Masek */
/*-------------------------------------------------------------------*/
static FBADEV fbatab[] = {
/* name devt class type mdl bpg bpp size blks cu */
{"3310", 0x3310,0x21,0x01,0x01, 32,352,512, 125664,0x4331},
{"3310-1", 0x3310,0x21,0x01,0x01, 32,352,512, 125664,0x4331},
{"3310-x", 0x3310,0x21,0x01,0x01, 32,352,512, 0,0x4331},
{"3370", 0x3370,0x21,0x02,0x00, 62,744,512, 558000,0x3880},
{"3370-1", 0x3370,0x21,0x02,0x00, 62,744,512, 558000,0x3880},
{"3370-A1", 0x3370,0x21,0x02,0x00, 62,744,512, 558000,0x3880},
{"3370-B1", 0x3370,0x21,0x02,0x00, 62,744,512, 558000,0x3880},
{"3370-2", 0x3370,0x21,0x05,0x04, 62,744,512, 712752,0x3880},
{"3370-A2", 0x3370,0x21,0x05,0x04, 62,744,512, 712752,0x3880},
{"3370-B2", 0x3370,0x21,0x05,0x04, 62,744,512, 712752,0x3880},
{"3370-x", 0x3370,0x21,0x05,0x04, 62,744,512, 0,0x3880},
{"9332", 0x9332,0x21,0x07,0x00, 73,292,512, 360036,0x6310},
{"9332-400", 0x9332,0x21,0x07,0x00, 73,292,512, 360036,0x6310},
{"9332-600", 0x9332,0x21,0x07,0x01, 73,292,512, 554800,0x6310},
{"9332-x", 0x9332,0x21,0x07,0x01, 73,292,512, 0,0x6310},
{"9335", 0x9335,0x21,0x06,0x01, 71,426,512, 804714,0x6310},
{"9335-x", 0x9335,0x21,0x06,0x01, 71,426,512, 0,0x6310},
/*"9313", 0x9313,0x21,0x08,0x00, ??,???,512, 246240,0x????}, */
/*"9313-1, 0x9313,0x21,0x08,0x00, ??,???,512, 246240,0x????}, */
/*"9313-14", 0x9313,0x21,0x08,0x14, ??,???,512, 246240,0x????}, */
/* 246240=32*81*5*19 */
{"9313", 0x9313,0x21,0x08,0x00, 96,480,512, 246240,0x6310},
{"9313-x", 0x9313,0x21,0x08,0x00, 96,480,512, 0,0x6310},
/* 9336 Junior models 1,2,3 */
/*"9336-J1", 0x9336,0x21,0x11,0x00, 63,315,512, 920115,0x6310}, */
/*"9336-J2", 0x9336,0x21,0x11,0x04, ??,???,512, ?,0x6310}, */
/*"9336-J3", 0x9336,0x21,0x11,0x08, ??,???,512, ?,0x6310}, */
/* 9336 Senior models 1,2,3 */
/*"9336-S1", 0x9336,0x21,0x11,0x10,111,777,512,1672881,0x6310}, */
/*"9336-S2", 0x9336,0x21,0x11,0x14,???,???,512, ?,0x6310}, */
/*"9336-S3", 0x9336,0x21,0x11,0x18,???,???,512, ?,0x6310}, */
{"9336", 0x9336,0x21,0x11,0x00, 63,315,512, 920115,0x6310},
{"9336-10", 0x9336,0x21,0x11,0x00, 63,315,512, 920115,0x6310},
{"9336-20", 0x9336,0x21,0x11,0x10,111,777,512,1672881,0x6310},
{"9336-25", 0x9336,0x21,0x11,0x10,111,777,512,1672881,0x6310},
{"9336-x", 0x9336,0x21,0x11,0x10,111,777,512, 0,0x6310},
/* name devt class type mdl bpg bpp size blks cu */
{"0671-08", 0x0671,0x21,0x12,0x08, 63,504,512, 513072,0x6310},
{"0671", 0x0671,0x21,0x12,0x00, 63,504,512, 574560,0x6310},
{"0671-04", 0x0671,0x21,0x12,0x04, 63,504,512, 624456,0x6310},
{"0671-x", 0x0671,0x21,0x12,0x04, 63,504,512, 0,0x6310}
} ;
#define FBADEV_NUM (sizeof(fbatab)/FBADEV_SIZE)
#if defined(FEATURE_VM_BLOCKIO)
static BLKTAB blktab[] = {
#if 0
/* Remove conditional compilation when CKD devices supported */
CKDIOT("2305",0x2305,15,10,5,3),
CKDIOT("2311",0x2311,6,3,1,0),
CKDIOT("2314",0x2314,11,6,3,1),
CKDIOT("3330",0x3330,20,11,6,3),
CKDIOT("3340",0x3340,12,7,3,2),
CKDIOT("3350",0x3350,27,15,8,4),
CKDIOT("3375",0x3375,40,25,14,8),
CKDIOT("3380",0x3380,35,23,14,7),
CKDIOT("3390",0x3390,49,33,21,12),
CKDIOT("9345",0x9345,41,28,17,9),
#endif
FBAIOT("0671",0x0671),
FBAIOT("3310",0x3310),
FBAIOT("3370",0x3370),
FBAIOT("9332",0x9332),
FBAIOT("9335",0x9335),
FBAIOT("9336",0x9336)
};
#define BLKTAB_NUM (sizeof(blktab)/BLKTAB_SIZE)
#endif /* defined(FEATURE_VM_BLOCKIO) */
/*-------------------------------------------------------------------*/
/* Lookup a table entry either by name or type */
/*-------------------------------------------------------------------*/
DLL_EXPORT void *dasd_lookup (int dtype, char *name, U32 devt, U32 size)
{
U32 i; /* Loop Index */
switch (dtype) {
case DASD_CKDDEV:
for (i = 0; i < (int)CKDDEV_NUM; i++)
{
if ((name && !strcmp(name, ckdtab[i].name))
|| (((U32)devt == (U32)ckdtab[i].devt || (U32)devt == (U32)(ckdtab[i].devt & 0xff))
&& (U32)size <= (U32)(ckdtab[i].cyls + ckdtab[i].altcyls)))
return &ckdtab[i];
}
return NULL;
case DASD_CKDCU:
for (i = 0; i < (int)CKDCU_NUM; i++)
{
if ((name != NULL && strcmp(name, ckdcutab[i].name) == 0)
|| devt == ckdcutab[i].devt)
return &ckdcutab[i];
}
return NULL;
case DASD_FBADEV:
for (i = 0; i < (int)FBADEV_NUM; i++)
{
if ((name && !strcmp(name, fbatab[i].name))
|| (((U32)devt == (U32)fbatab[i].devt || (U32)devt == (U32)(fbatab[i].devt & 0xff))
&& ((size <= fbatab[i].blks) || (fbatab[i].blks == 0))))
return &fbatab[i];
}
return NULL;
#if defined(FEATURE_VM_BLOCKIO)
case DASD_STDBLK:
for (i = 0; i < (int)BLKTAB_NUM; i++)
{
if ((name && !strcmp(name, blktab[i].name)) ||
(U32)devt == (U32)blktab[i].devt ||
(U32)devt == (U32)(blktab[i].devt & 0xff))
return &blktab[i];
}
return NULL;
#endif /* defined(FEATURE_VM_BLOCKIO) */
default:
return NULL;
}
return NULL;
}
/*-------------------------------------------------------------------*/
/* Build CKD devid field */
/*-------------------------------------------------------------------*/
int dasd_build_ckd_devid (CKDDEV *ckd, CKDCU *cu, BYTE *devid)
{
int len;
memset (devid, 0, 256);
store_fw (devid + 0, 0xFF000000 | (cu->devt << 8) | cu->model);
store_fw (devid + 4, (ckd->devt << 16) | (ckd->model << 8) | 0x00);
store_fw (devid + 8, cu->ciw1);
store_fw (devid +12, cu->ciw2);
store_fw (devid +16, cu->ciw3);
store_fw (devid +20, cu->ciw4);
store_fw (devid +24, cu->ciw5);
store_fw (devid +28, cu->ciw6);
store_fw (devid +32, cu->ciw7);
store_fw (devid +36, cu->ciw8);
/* Set length */
if (cu->ciw8 != 0) len = 40;
else if (cu->ciw7 != 0) len = 36;
else if (cu->ciw6 != 0) len = 32;
else if (cu->ciw5 != 0) len = 28;
else if (cu->ciw4 != 0) len = 24;
else if (cu->ciw3 != 0) len = 20;
else if (cu->ciw2 != 0) len = 16;
else if (cu->ciw1 != 0) len = 12;
else len = 7;
/* If LEGACYSENSEID ENABLE is not set and device is a 2311
or 2314, set devid length to zero to force command reject
response to 0xE4 Sense ID command */
if (1
&& !sysblk.legacysenseid
&& (0
|| 0x2311 == ckd->devt
|| 0x2314 == ckd->devt
)
)
{
len = 0;
}
return len;
}
/*-------------------------------------------------------------------*/
/* Build CKD devchar field */
/*-------------------------------------------------------------------*/
int dasd_build_ckd_devchar (CKDDEV *ckd, CKDCU *cu, BYTE *devchar,
int cyls)
{
int altcyls; /* Number alternate cyls */
if (cyls > ckd->cyls) altcyls = cyls - ckd->cyls;
else altcyls = 0;
memset (devchar, 0, 64);
store_hw(devchar+0, cu->devt); // Storage control type
devchar[2] = cu->model; // CU model
store_hw(devchar+3, ckd->devt); // Device type
devchar[5] = ckd->model; // Device model
store_fw(devchar+6, cu->sctlfeat | // Device and SD facilities
(cu->devt == 0x3990 && // ... or in 24-byte sense
ckd->devt == 0x3380)); // ... compatability for 3380
// ... hosted on 3990 controller
devchar[10] = ckd->class; // Device class code
devchar[11] = ckd->code; // Device type code
store_hw(devchar+12, cyls - altcyls); // Primary cylinders
store_hw(devchar+14, ckd->heads); // Tracks per cylinder
devchar[16] = (BYTE)(ckd->sectors); // Number of sectors
store_hw(devchar+18, ckd->len); // Track length
store_hw(devchar+20, ckd->har0); // Length of HA and R0
if (ckd->formula == 1)
{
devchar[22] = (BYTE)(ckd->formula); // Track capacity formula
devchar[23] = (BYTE)(ckd->f1); // Factor F1
store_hw(devchar+24, ckd->f2); // Factor F2
store_hw(devchar+26, ckd->f3); // Factor F3
}
else if (ckd->formula == 2)
{
devchar[22] = (BYTE)(ckd->formula); // Track capacity formula
devchar[23] = (BYTE)(ckd->f1); // Factor F1
devchar[24] = (BYTE)(ckd->f2); // Factor F2
devchar[25] = (BYTE)(ckd->f3); // Factor F3
devchar[26] = (BYTE)(ckd->f4); // Factor F4
devchar[27] = (BYTE)(ckd->f5); // Factor F5
}
if (altcyls > 0)
{
store_hw(devchar+28, cyls - altcyls); // Alternate cylinder & tracks
store_hw(devchar+30, altcyls * ckd->heads);
}
devchar[40] = ckd->code; // MDR record ID
devchar[41] = ckd->code; // OBR record ID
devchar[42] = cu->code; // CU Type Code
devchar[43] = 0x02; // Parameter length
store_hw(devchar+44, ckd->r0); // Record 0 length
devchar[47] = 0x01; // Track set
devchar[48] = (BYTE)(ckd->f6); // F6
store_hw(devchar+49, ckd->rpscalc); // RPS factor
/* Bytes 51-53 are required for VSAM Extended Format */
if (MODEL3(cu)) { // 3990-3
devchar[51] = 0x0f; // Feature buffer lower limit
devchar[52] = 0x00; // Feature buffer upper limit
devchar[53] = 0x3f; // Feature buffer upper limit
}
if (MODEL6(cu)) { // 3990-6
devchar[51] = 0x0f; // Feature buffer lower limit
devchar[52] = 0x00; // Feature buffer upper limit
devchar[53] = 0x7f; // Feature buffer upper limit
}
devchar[54] = cu->funcfeat; // device/CU functions/features
devchar[56] = cu->typecode; // Real CU type code
/*---------------------------------------------------------------*/
/* 2007/05/04 @kl */
/* The following line to set devchar[57] to 0xff was restored */
/* to circumvent a command reject when ICKDSF issues a Read */
/* Special Home Address (0x0a) to an alternate track. */
/* According to the IBM 3880 Storage Control Reference, */
/* GA16-1661-09, and the 3990/9330 Reference, GA32-0274-05, */
/* it should be 0x00 for real 3380 and 3390 devices. Setting */
/* it to 0xff makes the underlying real DASD look like a */
/* disk array (whose virtual 3380/3390 disks have no alternate */
/* tracks). This causes DSF to skip issuing the 0x0a channel */
/* command, which Hercules does not currently support, for */
/* alternate tracks. */
/*---------------------------------------------------------------*/
devchar[57] = 0xff; // real device type code
return 64;
}
/*-------------------------------------------------------------------*/
/* Build CKD configuration data */
/*-------------------------------------------------------------------*/
DLL_EXPORT int dasd_build_ckd_config_data (DEVBLK *dev, BYTE *iobuf, int count)
{
int i;
BYTE buf[256];
/* Clear the configuration data area */
memset (buf, 0, 256);
/* Bytes 0-31: NED 1 Node element descriptor for the device */
store_fw (buf, 0xc4010100);
sprintf ((char *)&buf[4], " %4.4X0%2.2XHRCZZ000000000001",
dev->ckdtab->devt, dev->ckdtab->model);
for (i = 4; i < 30; i++)
buf[i] = host_to_guest(buf[i]);
store_hw(buf + 30, dev->devnum); /* Uniquely tag within system */
/* Bytes 32-63: NED 2 Node element descriptor for the string */
store_fw (buf + 32, 0xc4000000);
sprintf ((char *)&buf[36], " %4.4X0%2.2XHRCZZ000000000001",
dev->ckdtab->devt, dev->ckdtab->model);
for (i = 36; i < 62; i++)
buf[i] = host_to_guest(buf[i]);
store_hw (buf + 62, 0x0000);
/* Bytes 64-95: NED 3 Node element descriptor for the storage director */
store_fw (buf + 64, 0xd4020000);
sprintf ((char *)&buf[68], " %4.4X0%2.2XHRCZZ000000000001",
dev->ckdcu->devt, dev->ckdcu->model);
for (i = 68; i < 94; i++)
buf[i] = host_to_guest(buf[i]);
buf[94] = 0x00;
buf[95] = (dev->devnum >> 8) & 0xFF;
/* Bytes 96-127: NED 4 Node element descriptor for the subsystem */
store_fw (buf + 96, 0xF0000001);
sprintf ((char *)&buf[100], " %4.4X HRCZZ000000000001",
dev->ckdcu->devt);
for (i = 100; i < 126; i++)
buf[i] = host_to_guest(buf[i]);
store_hw (buf + 126, 0x0000);
/* Bytes 128-223: zeroes */
/* Bytes 224-255: NEQ Node Element Qualifier */
buf[224] = 0x80; // flags (general NEQ)
buf[225] = 0; // record selector
store_hw (buf + 226, IFID(dev)); // interface id
store_hw (buf + 228, 0); // must be zero
buf[230] = 0x1E; // primary missing interrupt timer interval
buf[231] = 0x00; // secondary missing interrupt timer interval
store_hw (buf + 232, SSID(dev)); // subsystem id
buf[234] = 0x80; // path/cluster id
buf[235] = (dev->devnum & 0xFF); // unit address
buf[236] = (dev->devnum & 0xFF); // physical device id
buf[237] = (dev->devnum & 0xFF); // physical device address
buf[238] = buf[227]; // SA ID (same as interface ID, byte 227)
store_hw (buf + 239, 0); // escon link address
buf[241] = 0x80; // interface protocol type (parallel)
// buf[241] = 0x40; // interface protocol type (escon)
buf[242] = 0x80; // NEQ format flags
buf[243] = (dev->devnum & 0xFF); // logical device address (LDA)
// bytes 244-255 must be zero
/* Copy data characteristics to the I/O buf */
count = count > 256 ? 256 : count;
memcpy (iobuf, buf, count);
return 256;
}
/*-------------------------------------------------------------------*/
/* Build CKD subsystem status */
/*-------------------------------------------------------------------*/
DLL_EXPORT int dasd_build_ckd_subsys_status (DEVBLK *dev, BYTE *iobuf, int count)
{
int num;
BYTE buf[44];
/* Build the basic subsystem status data in the I/O area */
memset (buf, 0, 44);
buf[1] = dev->devnum & 0xFF;
buf[2] = DEVICES_PER_SUBSYS - 1;
store_hw (buf + 38, SSID(dev));
num = 40;
/* Build an additional 4 bytes of data for the 3990-6 */
if (MODEL6(dev->ckdcu))
{
buf[0] = 0x01; /* Set 3990-6 enhanced flag */
num = 44;
} /* end if(3990-6) */
/* Copy subsystem status to the I/O buf */
count = count > num ? num : count;
memcpy (iobuf, buf, count);
return num;
}
/*-------------------------------------------------------------------*/
/* Build FBA devid field */
/*-------------------------------------------------------------------*/
int dasd_build_fba_devid (FBADEV *fba, BYTE *devid)
{
memset (devid, 0, 256);
devid[0] = 0xff;
devid[1] = (fba->cu >> 8) & 0xff;
devid[2] = fba->cu & 0xff;
devid[3] = 0x01; /* assume model is 1 */
devid[4] = (fba->devt >> 8) & 0xff;
devid[5] = fba->devt & 0xff;
devid[6] = fba->model;
return 7;
}
/*-------------------------------------------------------------------*/
/* Build FBA devchar field */
/*-------------------------------------------------------------------*/
int dasd_build_fba_devchar (FBADEV *fba, BYTE *devchar, int blks)
{
memset (devchar, 0, 64);
devchar[0] = 0x30; // operation modes
devchar[1] = 0x08; // features
devchar[2] = fba->class; // device class
devchar[3] = fba->type; // unit type
devchar[4] = (fba->size >> 8) & 0xff; // block size
devchar[5] = fba->size & 0xff;
devchar[6] = (fba->bpg >> 24) & 0xff; // blks per cyclical group
devchar[7] = (fba->bpg >> 16) & 0xff;
devchar[8] = (fba->bpg >> 8) & 0xff;
devchar[9] = fba->bpg & 0xff;
devchar[10] = (fba->bpp >> 24) & 0xff; // blks per access position
devchar[11] = (fba->bpp >> 16) & 0xff;
devchar[12] = (fba->bpp >> 8) & 0xff;
devchar[13] = fba->bpp & 0xff;
devchar[14] = (blks >> 24) & 0xff; // blks under movable heads
devchar[15] = (blks >> 16) & 0xff;
devchar[16] = (blks >> 8) & 0xff;
devchar[17] = blks & 0xff;
devchar[18] = 0; // blks under fixed heads
devchar[19] = 0;
devchar[20] = 0;
devchar[21] = 0;
devchar[22] = 0; // blks in alternate area
devchar[23] = 0;
devchar[24] = 0; // blks in CE+SA areas
devchar[25] = 0;
devchar[26] = 0; // cyclic period in ms
devchar[27] = 0;
devchar[28] = 0; // min time to change access
devchar[29] = 0; // position in ms
devchar[30] = 0; // max to change access
devchar[31] = 0; // position in ms
return 32;
}