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1.1 root 1: /*
2: * Copyright (c) 1988 University of Utah.
3: * Copyright (c) 1982, 1990 The Regents of the University of California.
4: * All rights reserved.
5: *
6: * This code is derived from software contributed to Berkeley by
7: * the Systems Programming Group of the University of Utah Computer
8: * Science Department.
9: *
10: * Redistribution is only permitted until one year after the first shipment
11: * of 4.4BSD by the Regents. Otherwise, redistribution and use in source and
12: * binary forms are permitted provided that: (1) source distributions retain
13: * this entire copyright notice and comment, and (2) distributions including
14: * binaries display the following acknowledgement: This product includes
15: * software developed by the University of California, Berkeley and its
16: * contributors'' in the documentation or other materials provided with the
17: * distribution and in all advertising materials mentioning features or use
18: * of this software. Neither the name of the University nor the names of
19: * its contributors may be used to endorse or promote products derived from
20: * this software without specific prior written permission.
21: * THIS SOFTWARE IS PROVIDED AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
22: * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
23: * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
24: *
25: * from: Utah $Hdr: rdreg.h 1.14 89/02/27$
26: *
27: * @(#)rdreg.h 7.1 (Berkeley) 5/8/90
28: */
29:
30: struct rd_iocmd {
31: char c_pad;
32: char c_unit;
33: char c_volume;
34: char c_saddr;
35: short c_hiaddr;
36: long c_addr;
37: char c_nop2;
38: char c_slen;
39: long c_len;
40: char c_cmd;
41: char c_pad2;
42: };
43:
44: struct rd_rscmd {
45: char c_unit;
46: char c_sram;
47: char c_ram;
48: char c_cmd;
49: };
50:
51: struct rd_stat {
52: char c_vu;
53: char c_pend;
54: short c_ref;
55: short c_fef;
56: short c_aef;
57: short c_ief;
58: union {
59: char cu_raw[10];
60: struct {
61: short cu_msw;
62: long cu_lsl;
63: } cu_sva;
64: struct {
65: long cu_cyhd;
66: short cu_sect;
67: } cu_tva;
68: } c_pf;
69: };
70: #define c_raw c_pf.cu_raw
71: #define c_blk c_pf.cu_sva.cu_lsl /* for now */
72: #define c_tva c_pf.cu_tva
73:
74: struct rd_ssmcmd {
75: char c_unit;
76: char c_cmd;
77: short c_refm;
78: short c_fefm;
79: short c_aefm;
80: short c_iefm;
81: };
82:
83: struct rd_srcmd {
84: char c_unit;
85: char c_nop;
86: char c_cmd;
87: char c_param;
88: };
89:
90: struct rd_clearcmd {
91: char c_unit;
92: char c_cmd;
93: };
94:
95: struct rd_describe {
96: u_int d_iuw:16, /* controller: installed unit word */
97: d_cmaxxfr:16, /* controller: max transfer rate (Kb) */
98: d_ctype:8, /* controller: controller type */
99: d_utype:8, /* unit: unit type */
100: d_name:24, /* unit: name (6 BCD digits) */
101: d_sectsize:16, /* unit: # of bytes per block (sector) */
102: d_blkbuf:8, /* unit: # of blocks which can be buffered */
103: d_burstsize:8, /* unit: recommended burst size */
104: d_blocktime:16, /* unit: block time (u-sec) */
105: d_uavexfr:16, /* unit: average transfer rate (Kb) */
106: d_retry:16, /* unit: optimal retry time (1/100-sec) */
107: d_access:16, /* unit: access time param (1/100-sec) */
108: d_maxint:8, /* unit: maximum interleave */
109: d_fvbyte:8, /* unit: fixed volume byte */
110: d_rvbyte:8, /* unit: removeable volume byte */
111: d_maxcyl:24, /* volume: maximum cylinder */
112: d_maxhead:8, /* volume: maximum head */
113: d_maxsect:16, /* volume: maximum sector on track */
114: d_maxvsecth:16, /* volume: maximum sector on volume (MSW) */
115: d_maxvsectl:32, /* volume: maximum sector on volume (LSWs) */
116: d_interleave:8; /* volume: current interleave */
117: };
118:
119: /* indicies into rdinfo -- order is arbitrary */
120: #define RD7945A 0
121: #define RD9134D 1
122: #define RD9122S 2
123: #define RD7912P 3
124: #define RD7914P 4
125: #define RD7958A 5
126: #define RD7957A 6
127: #define RD7933H 7
128: #define RD9134L 8
129: #define RD7936H 9
130: #define RD7937H 10
131: #define RD7914CT 11
132: #define RD7946A 12
133: #define RD9122D 13
134: #define RD7957B 14
135: #define RD7958B 15
136: #define RD7959B 16
137:
138: /* HW ids */
139: #define RD7946AID 0x220 /* also 7945A */
140: #define RD9134DID 0x221 /* also 9122S */
141: #define RD9134LID 0x222 /* also 9122D */
142: #define RD7912PID 0x209
143: #define RD7914CTID 0x20A
144: #define RD7914PID 0x20B
145: #define RD7958AID 0x22B
146: #define RD7957AID 0x22A
147: #define RD7933HID 0x212
148: #define RD7936HID 0x213 /* just guessing -- as of yet unknown */
149: #define RD7937HID 0x214
150: #define RD7957BID 0x22C /* another guess based on 7958B */
151: #define RD7958BID 0x22D
152: #define RD7959BID 0x22E /* another guess based on 7958B */
153:
154: #define NRD7945ABPT (32 >> (DEV_BSHIFT-8))
155: #define NRD7945ATRK 7
156: #define NRD9134DBPT (32 >> (DEV_BSHIFT-8))
157: #define NRD9134DTRK 6
158: #define NRD9122SBPT (16 >> (DEV_BSHIFT-8))
159: #define NRD9122STRK 2
160: #define NRD7912PBPT (64 >> (DEV_BSHIFT-8))
161: #define NRD7912PTRK 7
162: #define NRD7914PBPT (64 >> (DEV_BSHIFT-8))
163: #define NRD7914PTRK 7
164: #define NRD7933HBPT (92 >> (DEV_BSHIFT-8))
165: #define NRD7933HTRK 13
166: #define NRD9134LBPT (32 >> (DEV_BSHIFT-8))
167: #define NRD9134LTRK 5
168:
169: /*
170: * Several HP drives have an odd number of 256 byte sectors per track.
171: * This makes it rather difficult to break them into 512 and 1024 byte blocks.
172: * So...we just do like HPUX and don't bother to respect hardware track/head
173: * boundries -- we just mold the disk so that we use the entire capacity.
174: * HPUX also sometimes doen't abide by cylinder boundries, we attempt to
175: * whenever possible.
176: *
177: * DISK REAL (256 BPS) HPUX (1024 BPS) BSD (512 BPS)
178: * SPT x HD x CYL SPT x HD x CYL SPT x HD x CYL
179: * ----- --------------- --------------- --------------
180: * 7936: 123 x 7 x 1396 25 x 7 x 1716 123 x 7 x 698
181: * 7937: 123 x 13 x 1396 25 x 16 x 1395 123 x 13 x 698
182: *
183: * 7957A: 63 x 5 x 1013 11 x 7 x 1036 22 x 7 x 1036
184: * 7958A: 63 x 8 x 1013 21 x 6 x 1013 36 x 7 x 1013
185: *
186: * 7957B: 63 x 4 x 1269 9 x 7 x 1269 18 x 7 x 1269
187: * 7958B: 63 x 6 x 1572 21 x 9 x 786 42 x 9 x 786
188: * 7959B: 63 x 12 x 1572 21 x 9 x 1572 42 x 9 x 1572
189: */
190: #if DEV_BSIZE == 512
191: # define NRD7936HBPT 123
192: # define NRD7936HTRK 7
193: # define NRD7937HBPT 123
194: # define NRD7937HTRK 13
195: # define NRD7957ABPT 22
196: # define NRD7957ATRK 7
197: # define NRD7958ABPT 36
198: # define NRD7958ATRK 7
199: # define NRD7957BBPT 18
200: # define NRD7957BTRK 7
201: # define NRD7958BBPT 42
202: # define NRD7958BTRK 9
203: # define NRD7959BBPT 42
204: # define NRD7959BTRK 9
205: #endif
206: #if DEV_BSIZE == 1024
207: # define NRD7957ABPT 11
208: # define NRD7957ATRK 7
209: # define NRD7958ABPT 21
210: # define NRD7958ATRK 6
211: # define NRD7957BBPT 9
212: # define NRD7957BTRK 7
213: # define NRD7958BBPT 21
214: # define NRD7958BTRK 9
215: # define NRD7959BBPT 21
216: # define NRD7959BTRK 9
217: #endif
218:
219: /* controller "unit" number */
220: #define RDCTLR 15
221:
222: /* convert 512 byte count into DEV_BSIZE count */
223: #define RDSZ(x) ((x) >> (DEV_BSHIFT-9))
224:
225: /* convert block number into sector number and back */
226: #define RDBTOS(x) ((x) << (DEV_BSHIFT-8))
227: #define RDSTOB(x) ((x) >> (DEV_BSHIFT-8))
228:
229: /* extract cyl/head/sect info from three-vector address */
230: #define RDCYL(tva) ((u_long)(tva).cu_cyhd >> 8)
231: #define RDHEAD(tva) ((tva).cu_cyhd & 0xFF)
232: #define RDSECT(tva) ((tva).cu_sect)
233:
234: #define REF_MASK 0x0
235: #define FEF_MASK 0x0
236: #define AEF_MASK 0x0
237: #define IEF_MASK 0xF970
238:
239: #define FEF_CU 0x4000 /* cross-unit */
240: #define FEF_DR 0x0080 /* diagnostic result */
241: #define FEF_IMR 0x0008 /* internal maintenance release */
242: #define FEF_PF 0x0002 /* power fail */
243: #define FEF_REXMT 0x0001 /* retransmit */
244: #define AEF_UD 0x0040 /* unrecoverable data */
245: #define IEF_RRMASK 0xe000 /* request release bits */
246: #define IEF_MD 0x0020 /* marginal data */
247: #define IEF_RD 0x0010 /* recoverable data */
248:
249: #define C_READ 0x00
250: #define C_RAM 0x00 /* single vector (i.e. sector number) */
251: #define C_WRITE 0x02
252: #define C_CLEAR 0x08
253: #define C_STATUS 0x0d
254: #define C_SADDR 0x10
255: #define C_SLEN 0x18
256: #define C_SUNIT(x) (0x20 | (x))
257: #define C_SVOL(x) (0x40 | (x))
258: #define C_NOP 0x34
259: #define C_DESC 0x35
260: #define C_SREL 0x3b
261: #define C_SSM 0x3e
262: #define C_SRAM 0x48
263: #define C_REL 0x140
264:
265: #define C_CMD 0x05
266: #define C_EXEC 0x0e
267: #define C_QSTAT 0x10
268: #define C_TCMD 0x12
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