1 /* $NetBSD: mtreg.h,v 1.1.2.4 2005/03/04 16:41:14 skrll Exp $ */
4 * Copyright (c) 1992, The University of Utah and
5 * the Computer Systems Laboratory at the University of Utah (CSL).
8 * Permission to use, copy, modify and distribute this software is hereby
9 * granted provided that (1) source code retains these copyright, permission,
10 * and disclaimer notices, and (2) redistributions including binaries
11 * reproduce the notices in supporting documentation, and (3) all advertising
12 * materials mentioning features or use of this software display the following
13 * acknowledgement: ``This product includes software developed by the
14 * Computer Systems Laboratory at the University of Utah.''
16 * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
17 * IS" CONDITION. THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF
18 * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
20 * CSL requests users of this software to return to csl-dist@cs.utah.edu any
21 * improvements that they make and grant CSL redistribution rights.
23 * Utah $Hdr: mtreg.h 1.4 95/09/12$
26 /* @(#)mtreg.h 3.4 90/07/10 mt Xinu
28 * Hewlett-Packard 7974, 7978, 7979 and 7980 HPIB Mag-Tape declarations.
35 #define MT7974AID 0x174
36 #define MT7978ID 0x178
37 #define MT7979AID 0x179
38 #define MT7980ID 0x180
40 /* convert bytes to 1k tape block and back */
41 #define CTBTOK(x) ((x) >> 10)
42 #define CTKTOB(x) ((x) << 10)
45 * Listen Secondary Commands
48 #define MTL_WRITE 0 /* write execute */
49 #define MTL_TCMD 1 /* tape command */
50 #define MTL_DIAG 4 /* download diagnostic */
51 #define MTL_FUP 6 /* write firmware update */
52 #define MTL_ECMD 7 /* end command */
53 #define MTL_DCL 16 /* amigo device clear */
54 #define MTL_CCRC 17 /* clear CRC */
55 #define MTL_XTEST 29 /* run 7979a/7980 extended self test */
56 #define MTL_LOOP 30 /* write interface loopback */
57 #define MTL_TEST 31 /* run self test */
60 * Talk Secondary Commands
63 #define MTT_READ 0 /* read execute */
64 #define MTT_STAT 1 /* read status */
65 #define MTT_BCNT 2 /* read byte count */
66 #define MTT_DIAG 3 /* read diagnostic results */
67 #define MTT_FREV 4 /* read firmware revisions (7980xc) */
68 #define MTT_LOG 5 /* read diagnostic log */
69 #define MTT_FUP 6 /* read firmware update */
70 #define MTT_XSTAT 15 /* read extended status (7979a/7980a) */
71 #define MTT_DSJ 16 /* read DSJ (device specified jump) */
72 #define MTT_RCRC 17 /* read CRC */
73 #define MTT_XTEST 29 /* read 7979a/7980 extended self test */
74 #define MTT_LOOP 30 /* read interface loopback */
75 #define MTT_TEST 31 /* read self test */
81 #define MTTC_SEL0 0 /* Select Unit 0 (native protocol) */
82 #define MTTC_WRITE 5 /* Write Record */
83 #define MTTC_WFM 6 /* Write File Mark */
84 #define MTTC_WGAP 7 /* Write Gap */
85 #define MTTC_READ 8 /* Read record */
86 #define MTTC_FSR 9 /* forward space record */
87 #define MTTC_BSR 10 /* backward space record */
88 #define MTTC_FSF 11 /* forward space file */
89 #define MTTC_BSF 12 /* backward space file */
90 #define MTTC_REW 13 /* rewind */
91 #define MTTC_REWOFF 14 /* rewind and go offline */
92 #define MTTC_DC6250 15 /* set data compressed 6250 */
93 #define MTTC_6250 16 /* set 6250 bpi */
94 #define MTTC_1600 17 /* set 1600 bpi */
95 #define MTTC_800 18 /* set 800 bpi */
96 #define MTTC_NC6250 19 /* set non-compressed 6250 */
97 #define MTTC_STSTP 20 /* start/stop mode only */
98 #define MTTC_STRM 21 /* enable streaming */
99 #define MTTC_DIRM 22 /* disable immediate report mode */
100 #define MTTC_EIRM 23 /* enable immediate report mode */
101 #define MTTC_STAT 24 /* request status */
102 #define MTTC_RLD 25 /* remote load */
103 #define MTTC_RUNLD 26 /* remote unload */
104 #define MTTC_RON 28 /* remote online */
105 #define MTTC_DDC 30 /* disable data compression */
106 #define MTTC_EDC 31 /* enable data compression */
109 * End Command Bits (of any interest)
111 #define MTE_COMPLETE 0x08 /* "marks the end of the report phase" */
112 #define MTE_IDLE 0x04 /* enables parallel poll resp. for online */
113 #define MTE_STOP 0x02 /* aborts transfer of "read" data */
115 #define MTE_DSJ_FORCE 0x100 /* XXX During readDSJ, force a status fetch */
123 #define MTF_OPEN 0x0001 /* drive is in use (single-access device) */
124 #define MTF_EXISTS 0x0002 /* device was found at boot time */
125 #define MTF_ALIVE 0x0004 /* drive actually talks to us */
126 #define MTF_WRT 0x0008 /* last command was a WRITE */
127 #define MTF_IO 0x0010 /* next interrupt should start I/O (DMA) */
128 #define MTF_REW 0x0020 /* tape is rewinding - must wait for it */
129 #define MTF_HITEOF 0x0040 /* last read or FSR hit EOF (file mark) */
130 #define MTF_HITBOF 0x0080 /* last BSR hit EOF (file mark) */
131 #define MTF_ATEOT 0x0100 /* tape hit EOT - can allow one forward op */
132 #define MTF_PASTEOT 0x0200 /* tape is beyond EOT - force backward motion */
133 #define MTF_DSJTIMEO 0x0400 /* timed out gpibrecv()ing DSJ - continue it */
134 #define MTF_STATTIMEO 0x0800 /* timed out recieving STATUS - continue it */
135 #define MTF_STATCONT 0x1000 /* STATTIMEO is continuable */
137 /* additional "mtcommand"s */
138 #define MTRESET 16 /* reset the thing from scratch */
139 #define MTSET800BPI 17 /* density select */
140 #define MTSET1600BPI 18
141 #define MTSET6250BPI 19
142 #define MTSET6250DC 20 /* (data compressed - MT7980ID only) */
145 #define sc_stat1 sc_stat.m_stat[0]
146 #define sc_stat2 sc_stat.m_stat[1]
147 #define sc_stat3 sc_stat.m_stat[2]
148 #define sc_stat4 sc_stat.m_stat[3]
149 #define sc_stat5 sc_stat.m_stat[4]
150 #define sc_stat6 sc_stat.m_stat[5]
153 * Status Register definitions
156 #define SR1_EOF 0x80 /* positioned at File Mark */
157 #define SR1_BOT 0x40 /* positioned at Beginning of Tape */
158 #define SR1_EOT 0x20 /* positioned at End of Tape */
159 #define SR1_SOFTERR 0x10 /* Recoverable Error has Occurred */
160 #define SR1_REJECT 0x08 /* HPIB Cmd rejected - Regs 4 & 5 have info */
161 #define SR1_RO 0x04 /* No Write Ring */
162 #define SR1_ERR 0x02 /* Unrecoverable Data error - Reg 5 has info */
163 #define SR1_ONLINE 0x01 /* Drive Online (must be to do any operation) */
165 #define SR2_6250 0x80 /* tape is 6250BPI */
166 #define SR2_UNKDEN 0x40 /* non-blank tape is of unknown density */
167 #define SR2_PARITY 0x20 /* internal bus data parity error detected */
168 #define SR2_OVERRUN 0x10 /* data buffer overrun (not possible?) */
169 #define SR2_RUNAWAY 0x08 /* during read, no data detected on tape */
170 #define SR2_OPEN 0x04 /* tape door is open */
171 #define SR2_LONGREC 0x02 /* large record support (32k@1600, 60K@6250,
172 otherwise, it's 16K at all densities) */
173 #define SR2_IMMED 0x01 /* Immediate Response (for writes) enabled */
175 #define SR3_1600 0x80 /* tape is 1600BPI */
176 #define SR3_800 0x40 /* tape is 800BPI */
177 #define SR3_POWERUP 0x20 /* power recently restored or Dev Clr done */
178 #define SR3_HPIBPAR 0x10 /* HPIB command parity error detected */
179 #define SR3_LOST 0x08 /* position on tape is unknown */
180 #define SR3_FMTERR 0x04 /* formatter error - Reg 5 has info */
181 #define SR3_SVOERR 0x02 /* motion servo error - Reg 4 has info */
182 #define SR3_CTLERR 0x01 /* controller error - Reg 5 has info */
184 #define SR4_ERCLMASK 0xe0 /* Mask of error classes (for SR1_REJECT) */
185 #define SR4_NONE 0x00
186 #define SR4_DEVICE 0x40
187 #define SR4_PROTOCOL 0x60
188 #define SR4_SELFTEST 0xe0
189 #define SR4_RETRYMASK 0x1f /* Mask for retry count (for any error) */
191 /* SR5 holds lots of error codes, referenced above. Complete list:
193 * 5 Tape is write protected
194 * 6 Tape isn't loaded
195 * 7 Requested density not supported
196 * 9 Tape being read is unreadable
197 * 10 Tape being written is unidentifiable
199 * 16 Changing density while not at BOT
200 * 19 Backward motion requested while at BOT
201 * 23 Protocol out of sync
202 * 24 Unknown tape command
203 * 31 Write request too big for drive/density
205 * 33 Self Test Failure
206 * 37 Tape positioning failure while removing readaheads
208 * (UNRECOVERED DATA/FORMAT ERRORS)
209 * 41 Tape velocity out of spec
210 * 45 Multiple track data error
211 * 47 Write verify failed
212 * 48 Noise found while trying to detect data record
213 * 49 Data format error
214 * 50 Couldn't identify tape after rewind
215 * 51 Gap detected before end of data record
216 * 52 Data block dropout
220 * 57 Maximum skew exceeded
221 * 58 False data block detected
222 * 59 Corrected data error on write
223 * 60 Buffer overrun - record size on tape larger than supported
224 * 61 Data block timeout (possibly record length too long)
225 * 62 Tape mark dropout
226 * 63 Tape mark unverified
227 * 64 Tape mark timeout (no gap following tape mark)
228 * (POSITION or SERVO ERRORS) - these are ALL internal to tape drive
229 * 81 Servo unresponsive
230 * 82 Servo didn't respond with corect state
232 * 84 Servo detected hardware failure
233 * 85 Servo protocol error
234 * 86 Runtime Servo error
235 * 87 Missing position interrupt
236 * 88 No Gap after read or write
237 * 89 Motor shutdown for safety reasons
238 * 90 Couldn't find tape BOT mark
239 * 91 Drive motor running too fast or slow
240 * 92 Requested controller state invalid within context
241 * 94 Tape positioning failure
243 * 101,108 Read formatter unresponsive
244 * 102,107 Read formatter hardware error
245 * 103 Write detected bad block
247 * 105 No data detected after write
248 * 106 Tracks out of sync on write verify
250 * 110 Formatter <--> data buffer byte count mismatch
251 * (CONTROLLER ERROR) - these are ALL internal to drive
252 * 121 Transaction ID mismatch (device vs. controller)
253 * 122 Devoce report has no coorepinding command
254 * 123 Invalid device report
255 * 124 Repost queue overflow
256 * 125 Unknown command from device
257 * 126 Command queue overflow
258 * 128 Missing End-Of-Record flag in data buffer
259 * 129 Data buffer parity error
260 * 130 Data buffer underrun during write
261 * 131 Byte count mismatch in data buffer queue
262 * 132 Bad message type from device
263 * 133 Abort between HPIB interface and channel program
264 * 134 Unknown HPIB interface exception
265 * 137 Illegal access to servo conntroller registers
266 * 138 Device program firmware error
267 * 139 Hardware utilities firmware error
268 * 140 Channel program firmware error
269 * 141 Encoder inoperative
270 * 150 Tape position synchronization error
271 * 151 Tape deblocking error (Xtra Capacity only)
272 * 152 Compression/Decompression hardware error (Xtra Capacity only)
273 * (PROTOCOL ERROR) - USUALLY indicates deficiency in driver
274 * 161 No room in Command Queue
275 * 162 Expected "request DSJ"
276 * 163 Expected status request
277 * 165 Unknown unit select
278 * 166 Tape command secondary expected
279 * 167 Data byte expected
280 * 168 Missing EOI on data byte
281 * 170 Write command phase protocol error
282 * 172 Read record report phase error
283 * 173 Report phase protocol error
284 * 174 Cold load sequence error
285 * 175 HPIB protocol sequence error
286 * 176 END command expected
287 * 178 END DATA expected
288 * 180 Unknown interface secondary command
289 * 181 Misplaced data byte
290 * 184 Interface Loopback protocol error
291 * 185 Self test protocol error
292 * 188 HPIB parity error
293 * 189 Operator reset during protocol sequence
294 * 190 Device clear received
297 /* SR6 is count of commands accepted since Immediate Response command failed */