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1.1 root 1: /* hpreg.h 4.9 81/08/31 */
2:
3: struct hpdevice
4: {
5: int hpcs1; /* control and status register 1 */
6: int hpds; /* drive status */
7: int hper1; /* error register 1 */
8: int hpmr; /* maintenance */
9: int hpas; /* attention summary */
10: int hpda; /* desired address register */
11: int hpdt; /* drive type */
12: int hpla; /* look ahead */
13: int hpsn; /* serial number */
14: int hpof; /* offset register */
15: int hpdc; /* desired cylinder address register */
16: int hpcc; /* current cylinder */
17: /* on an rp drive, mr2 is called er2 and er2 is called er3 */
18: /* we use rm terminology here */
19: int hpmr2; /* maintenance register 2 */
20: int hper2; /* error register 2 */
21: int hpec1; /* burst error bit position */
22: int hpec2; /* burst error bit pattern */
23: };
24:
25: /* hpcs1 */
26: #define HP_SC 0100000 /* special condition */
27: #define HP_TRE 0040000 /* transfer error */
28: #define HP_DVA 0004000 /* drive available */
29: #define HP_RDY 0000200 /* controller ready */
30: #define HP_IE 0000100 /* interrupt enable */
31: /* bits 5-1 are the command */
32: #define HP_GO 0000001
33:
34: /* commands */
35: #define HP_NOP 000 /* no operation */
36: #define HP_UNLOAD 002 /* offline drive */
37: #define HP_SEEK 004 /* seek */
38: #define HP_RECAL 006 /* recalibrate */
39: #define HP_DCLR 010 /* drive clear */
40: #define HP_RELEASE 012 /* release */
41: #define HP_OFFSET 014 /* offset */
42: #define HP_RTC 016 /* return to centerline */
43: #define HP_PRESET 020 /* read-in preset */
44: #define HP_PACK 022 /* pack acknowledge */
45: #define HP_SEARCH 030 /* search */
46: #define HP_DIAGNOSE 034 /* diagnose drive */
47: #define HP_WCDATA 050 /* write check data */
48: #define HP_WCHDR 052 /* write check header and data */
49: #define HP_WCOM 060 /* write data */
50: #define HP_WHDR 062 /* write header */
51: #define HP_WTRACKD 064 /* write track descriptor */
52: #define HP_RCOM 070 /* read data */
53: #define HP_RHDR 072 /* read header and data */
54: #define HP_RTRACKD 074 /* read track descriptor */
55:
56: /* hpds */
57: #define HPDS_ATA 0100000 /* attention active */
58: #define HPDS_ERR 0040000 /* composite drive error */
59: #define HPDS_PIP 0020000 /* positioning in progress */
60: #define HPDS_MOL 0010000 /* medium on line */
61: #define HPDS_WRL 0004000 /* write locked */
62: #define HPDS_LST 0002000 /* last sector transferred */
63: #define HPDS_PGM 0001000 /* programmable */
64: #define HPDS_DPR 0000400 /* drive present */
65: #define HPDS_DRY 0000200 /* drive ready */
66: #define HPDS_VV 0000100 /* volume valid */
67: /* bits 1-5 are spare */
68: #define HPDS_OM 0000001 /* offset mode */
69:
70: #define HPDS_DREADY (HPDS_DPR|HPDS_DRY|HPDS_MOL|HPDS_VV)
71: #define HPDS_BITS \
72: "\10\20ATA\17ERR\16PIP\15MOL\14WRL\13LST\12PGM\11DPR\10DRY\7VV\1OM"
73:
74: /* hper1 */
75: #define HPER1_DCK 0100000 /* data check */
76: #define HPER1_UNS 0040000 /* drive unsafe */
77: #define HPER1_OPI 0020000 /* operation incomplete */
78: #define HPER1_DTE 0010000 /* drive timing error */
79: #define HPER1_WLE 0004000 /* write lock error */
80: #define HPER1_IAE 0002000 /* invalid address error */
81: #define HPER1_AOE 0001000 /* address overflow error */
82: #define HPER1_HCRC 0000400 /* header crc error */
83: #define HPER1_HCE 0000200 /* header compare error */
84: #define HPER1_ECH 0000100 /* ecc hard error */
85: #define HPER1_WCF 0000040 /* write clock fail */
86: #define HPER1_FER 0000020 /* format error */
87: #define HPER1_PAR 0000010 /* parity error */
88: #define HPER1_RMR 0000004 /* register modification refused */
89: #define HPER1_ILR 0000002 /* illegal register */
90: #define HPER1_ILF 0000001 /* illegal function */
91:
92: #define HPER1_BITS \
93: "\10\20DCK\17UNS\16OPI\15DTE\14WLE\13IAE\12AOE\11HCRC\10HCE\
94: \7ECH\6WCF\5FER\4PAR\3RMR\2ILR\1ILF"
95: #define HPER1_HARD \
96: (HPER1_WLE|HPER1_IAE|HPER1_AOE|\
97: HPER1_FER|HPER1_RMR|HPER1_ILR|HPER1_ILF)
98:
99: /* hper2 */
100: #define HPER2_BSE 0100000 /* bad sector error */
101: #define HPER2_SKI 0040000 /* seek incomplete */
102: #define HPER2_OPE 0020000 /* operator plug error */
103: #define HPER2_IVC 0010000 /* invalid command */
104: #define HPER2_LSC 0004000 /* loss of system clock */
105: #define HPER2_LBC 0002000 /* loss of bit check */
106: #define HPER2_DVC 0000200 /* device check */
107: #define HPER2_SSE 0000040 /* skip sector error (rm80) */
108: #define HPER2_DPE 0000010 /* data parity error */
109:
110: #define HPER2_BITS \
111: "\10\20BSE\17SKI\16OPE\15IVC\14LSC\13LBC\10DVC\5SSE\4DPE"
112: #define HPER2_HARD (HPER2_OPE)
113:
114: /* hpof */
115: #define HPOF_CMO 0100000 /* command modifier */
116: #define HPOF_MTD 0040000 /* move track descriptor */
117: #define HPOF_FMT22 0010000 /* 16 bit format */
118: #define HPOF_ECI 0004000 /* ecc inhibit */
119: #define HPOF_HCI 0002000 /* header compare inhibit */
120: #define HPOF_SSEI 0001000 /* skip sector inhibit */
121:
122: #define HPOF_P400 020 /* +400 uinches */
123: #define HPOF_M400 0220 /* -400 uinches */
124: #define HPOF_P800 040 /* +800 uinches */
125: #define HPOF_M800 0240 /* -800 uinches */
126: #define HPOF_P1200 060 /* +1200 uinches */
127: #define HPOF_M1200 0260 /* -1200 uinches */
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