![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to tsreg.h CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [Research Unix] / researchv9 / sys.vax / h|
Return to tsreg.h CVS log | Up to [Research Unix] / researchv9 / sys.vax / h |
1.1 root 1: /*
2: * TS11 controller registers
3: */
4: struct device {
5: u_short tsdb; /* data buffer */
6: u_short tssr; /* status register */
7: };
8:
9: /* Bits in (unibus) status register */
10: #define TS_SC 0100000 /* special condition (error) */
11: #define TS_UPE 0040000 /* Unibus parity error */
12: #define TS_SPE 0020000 /* serial bus parity error */
13: #define TS_RMR 0010000 /* register modification refused */
14: #define TS_NXM 0004000 /* nonexistant memory */
15: #define TS_NBA 0002000 /* need buffer address */
16: #define TS_XMEM 0001400 /* Unibus xmem bits */
17: #define TS_SSR 0000200 /* subsytem ready */
18: #define TS_OFL 0000100 /* off-line */
19: #define TS_FTC 0000060 /* fatal termination class */
20: #define TS_TC 0000016 /* termination class */
21:
22: #define TS_SUCC 000 /* successful termination */
23: #define TS_ATTN 002 /* attention */
24: #define TS_ALERT 004 /* tape status alert */
25: #define TS_REJECT 06 /* function reject */
26: #define TS_RECOV 010 /* recoverable error */
27: #define TS_RECNM 012 /* recoverable error, no tape motion */
28: #define TS_UNREC 014 /* unrecoverable error */
29: #define TS_FATAL 016 /* fatal error */
30:
31: #define TSSR_BITS \
32: "\10\20SC\17UPE\16SPE\15RMR\14NXM\13NBA\12A17\11A16\10SSR\
33: \7OFL\6FC1\5FC0\4TC2\3TC1\2TC0\1-"
34:
35: #define b_repcnt b_bcount
36: #define b_command b_resid
37:
38: /* status message */
39: struct ts_sts {
40: u_short s_sts; /* packet header */
41: u_short s_len; /* packet length */
42: u_short s_rbpcr; /* residual frame count */
43: u_short s_xs0; /* extended status 0 - 3 */
44: u_short s_xs1;
45: u_short s_xs2;
46: u_short s_xs3;
47: };
48:
49: /* Error codes in xstat 0 */
50: #define TS_TMK 0100000 /* tape mark detected */
51: #define TS_RLS 0040000 /* record length short */
52: #define TS_LET 0020000 /* logical end of tape */
53: #define TS_RLL 0010000 /* record length long */
54: #define TS_WLE 0004000 /* write lock error */
55: #define TS_NEF 0002000 /* non-executable function */
56: #define TS_ILC 0001000 /* illegal command */
57: #define TS_ILA 0000400 /* illegal address */
58: #define TS_MOT 0000200 /* capstan is moving */
59: #define TS_ONL 0000100 /* on-line */
60: #define TS_IES 0000040 /* interrupt enable status */
61: #define TS_VCK 0000020 /* volume check */
62: #define TS_PED 0000010 /* phase-encoded drive */
63: #define TS_WLK 0000004 /* write locked */
64: #define TS_BOT 0000002 /* beginning of tape */
65: #define TS_EOT 0000001 /* end of tape */
66:
67: #define TSXS0_BITS \
68: "\10\20TMK\17RLS\16LET\15RLL\14WLE\13NEF\12ILC\11ILA\10MOT\
69: \7ONL\6IES\5VCK\4PED\3WLK\2BOT\1EOT"
70:
71: /* Error codes in xstat 1 */
72: #define TS_DLT 0100000 /* data late */
73: #define TS_COR 0020000 /* correctable data */
74: #define TS_CRS 0010000 /* crease detected */
75: #define TS_TIG 0004000 /* trash in the gap */
76: #define TS_DBF 0002000 /* deskew buffer full */
77: #define TS_SCK 0001000 /* speed check */
78: #define TS_IPR 0000200 /* invalid preamble */
79: #define TS_SYN 0000100 /* synchronization failure */
80: #define TS_IPO 0000040 /* invalid postamble */
81: #define TS_IED 0000020 /* invalid end of data */
82: #define TS_POS 0000010 /* postamble short */
83: #define TS_POL 0000004 /* postamble long */
84: #define TS_UNC 0000002 /* uncorrectable data */
85: #define TS_MTE 0000001 /* multitrack error */
86:
87: #define TSXS1_BITS \
88: "\10\20DLT\17-\16COR\15CRS\14TIG\13DBF\12SCK\11-\10IPR\
89: \7SYN\6IPO\5IED\4POS\3POL\2UNC\1MTE"
90:
91: /* Error codes in xstat 2 */
92: #define TS_OPM 0100000 /* operation in progress */
93: #define TS_SIP 0040000 /* silo parity error */
94: #define TS_BPE 0020000 /* serial bus parity error */
95: #define TS_CAF 0010000 /* capstan acceleration failure */
96: #define TS_WCF 0002000 /* write card fail */
97: #define TS_DTP 0000400 /* dead track parity */
98: #define TS_DT 0000377 /* dead tracks */
99:
100: #define TSXS2_BITS \
101: "\10\20OPM\17SIP\16BPE\15CAF\14-\13WCF\12-\11DTP"
102:
103: /* Error codes in xstat 3 */
104: #define TS_MEC 0177400 /* microdiagnostic error code */
105: #define TS_LMX 0000200 /* limit exceeded */
106: #define TS_OPI 0000100 /* operation incomplete */
107: #define TS_REV 0000040 /* reverse */
108: #define TS_CRF 0000020 /* capstan response fail */
109: #define TS_DCK 0000010 /* density check */
110: #define TS_NOI 0000004 /* noise record */
111: #define TS_LXS 0000002 /* limit exceeded statically */
112: #define TS_RIB 0000001 /* reverse into BOT */
113:
114: #define TSXS3_BITS \
115: "\10\10LMX\7OPI\6REV\5CRF\4DCK\3NOI\2LXS\1RIB"
116:
117:
118: /* command message */
119: struct ts_cmd {
120: u_short c_cmd; /* command */
121: u_short c_loba; /* low order buffer address */
122: u_short c_hiba; /* high order buffer address */
123: #define c_repcnt c_loba
124: u_short c_size; /* byte count */
125: };
126:
127: /* commands and command bits */
128: #define TS_ACK 0100000 /* ack - release command packet */
129: #define TS_CVC 0040000 /* clear volume check */
130: #define TS_IE 0000200
131: #define TS_RCOM 0000001
132: #define TS_REREAD 0001001 /* read data retry */
133: #define TS_SETCHR 0000004 /* set characteristics */
134: #define TS_WCOM 0000005
135: #define TS_REWRITE 0001005 /* write data retry */
136: #define TS_RETRY 0001000 /* retry bit for read and write */
137: #define TS_SFORW 0000010 /* forward space record */
138: #define TS_SREV 0000410 /* reverse space record */
139: #define TS_SFORWF 0001010 /* forward space file */
140: #define TS_SREVF 0001410 /* reverse space file */
141: #define TS_REW 0002010 /* rewind */
142: #define TS_OFFL 0000412 /* unload */
143: #define TS_WEOF 0000011 /* write tape mark */
144: #define TS_SENSE 0000017 /* get status */
145:
146: /* characteristics data */
147: struct ts_char {
148: long char_addr; /* address of status packet */
149: u_short char_size; /* its size */
150: u_short char_mode; /* characteristics */
151: };
152:
153:
154: /* characteristics */
155: #define TS_ESS 0200 /* enable skip tape marks stop */
156: #define TS_ENB 0100 /* ??? */
157: #define TS_EAI 0040 /* enable attention interrupts */
158: #define TS_ERI 0020 /* enable message buffer release interrupts */
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.