![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to rdreg.h CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [Net/2] / Net2 / arch / hp300 / dev|
Return to rdreg.h CVS log | Up to [Net/2] / Net2 / arch / hp300 / dev |
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 and use in source and binary forms, with or without
11: * modification, are permitted provided that the following conditions
12: * are met:
13: * 1. Redistributions of source code must retain the above copyright
14: * notice, this list of conditions and the following disclaimer.
15: * 2. Redistributions in binary form must reproduce the above copyright
16: * notice, this list of conditions and the following disclaimer in the
17: * documentation and/or other materials provided with the distribution.
18: * 3. All advertising materials mentioning features or use of this software
19: * must display the following acknowledgement:
20: * This product includes software developed by the University of
21: * California, Berkeley and its contributors.
22: * 4. Neither the name of the University nor the names of its contributors
23: * may be used to endorse or promote products derived from this software
24: * without specific prior written permission.
25: *
26: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36: * SUCH DAMAGE.
37: *
38: * from: Utah $Hdr: rdreg.h 1.2 90/10/12$
39: *
1.1.1.2 ! root 40: * from: @(#)rdreg.h 7.3 (Berkeley) 2/25/91
! 41: * rdreg.h,v 1.2 1993/05/22 07:56:47 cgd Exp
1.1 root 42: */
43:
44: struct rd_iocmd {
45: char c_pad;
46: char c_unit;
47: char c_volume;
48: char c_saddr;
49: short c_hiaddr;
50: long c_addr;
51: char c_nop2;
52: char c_slen;
53: long c_len;
54: char c_cmd;
55: char c_pad2;
56: };
57:
58: struct rd_rscmd {
59: char c_unit;
60: char c_sram;
61: char c_ram;
62: char c_cmd;
63: };
64:
65: struct rd_stat {
66: char c_vu;
67: char c_pend;
68: short c_ref;
69: short c_fef;
70: short c_aef;
71: short c_ief;
72: union {
73: char cu_raw[10];
74: struct {
75: short cu_msw;
76: long cu_lsl;
77: } cu_sva;
78: struct {
79: long cu_cyhd;
80: short cu_sect;
81: } cu_tva;
82: } c_pf;
83: };
84: #define c_raw c_pf.cu_raw
85: #define c_blk c_pf.cu_sva.cu_lsl /* for now */
86: #define c_tva c_pf.cu_tva
87:
88: struct rd_ssmcmd {
89: char c_unit;
90: char c_cmd;
91: short c_refm;
92: short c_fefm;
93: short c_aefm;
94: short c_iefm;
95: };
96:
97: struct rd_srcmd {
98: char c_unit;
99: char c_nop;
100: char c_cmd;
101: char c_param;
102: };
103:
104: struct rd_clearcmd {
105: char c_unit;
106: char c_cmd;
107: };
108:
109: struct rd_describe {
110: u_int d_iuw:16, /* controller: installed unit word */
111: d_cmaxxfr:16, /* controller: max transfer rate (Kb) */
112: d_ctype:8, /* controller: controller type */
113: d_utype:8, /* unit: unit type */
114: d_name:24, /* unit: name (6 BCD digits) */
115: d_sectsize:16, /* unit: # of bytes per block (sector) */
116: d_blkbuf:8, /* unit: # of blocks which can be buffered */
117: d_burstsize:8, /* unit: recommended burst size */
118: d_blocktime:16, /* unit: block time (u-sec) */
119: d_uavexfr:16, /* unit: average transfer rate (Kb) */
120: d_retry:16, /* unit: optimal retry time (1/100-sec) */
121: d_access:16, /* unit: access time param (1/100-sec) */
122: d_maxint:8, /* unit: maximum interleave */
123: d_fvbyte:8, /* unit: fixed volume byte */
124: d_rvbyte:8, /* unit: removeable volume byte */
125: d_maxcyl:24, /* volume: maximum cylinder */
126: d_maxhead:8, /* volume: maximum head */
127: d_maxsect:16, /* volume: maximum sector on track */
128: d_maxvsecth:16, /* volume: maximum sector on volume (MSW) */
129: d_maxvsectl:32, /* volume: maximum sector on volume (LSWs) */
130: d_interleave:8; /* volume: current interleave */
131: };
132:
133: /* indicies into rdinfo -- order is arbitrary */
134: #define RD7945A 0
135: #define RD9134D 1
136: #define RD9122S 2
137: #define RD7912P 3
138: #define RD7914P 4
139: #define RD7958A 5
140: #define RD7957A 6
141: #define RD7933H 7
142: #define RD9134L 8
143: #define RD7936H 9
144: #define RD7937H 10
145: #define RD7914CT 11
146: #define RD7946A 12
147: #define RD9122D 13
148: #define RD7957B 14
149: #define RD7958B 15
150: #define RD7959B 16
151:
152: /* HW ids */
153: #define RD7946AID 0x220 /* also 7945A */
154: #define RD9134DID 0x221 /* also 9122S */
155: #define RD9134LID 0x222 /* also 9122D */
156: #define RD7912PID 0x209
157: #define RD7914CTID 0x20A
158: #define RD7914PID 0x20B
159: #define RD7958AID 0x22B
160: #define RD7957AID 0x22A
161: #define RD7933HID 0x212
162: #define RD7936HID 0x213 /* just guessing -- as of yet unknown */
163: #define RD7937HID 0x214
164: #define RD7957BID 0x22C /* another guess based on 7958B */
165: #define RD7958BID 0x22D
166: #define RD7959BID 0x22E /* another guess based on 7958B */
167: #define RD2200AID 0x22F
168: #define RD2203AID 0x230 /* yet another guess */
169:
170: #define NRD7945ABPT (32 >> (DEV_BSHIFT-8))
171: #define NRD7945ATRK 7
172: #define NRD9134DBPT (32 >> (DEV_BSHIFT-8))
173: #define NRD9134DTRK 6
174: #define NRD9122SBPT (16 >> (DEV_BSHIFT-8))
175: #define NRD9122STRK 2
176: #define NRD7912PBPT (64 >> (DEV_BSHIFT-8))
177: #define NRD7912PTRK 7
178: #define NRD7914PBPT (64 >> (DEV_BSHIFT-8))
179: #define NRD7914PTRK 7
180: #define NRD7933HBPT (92 >> (DEV_BSHIFT-8))
181: #define NRD7933HTRK 13
182: #define NRD9134LBPT (32 >> (DEV_BSHIFT-8))
183: #define NRD9134LTRK 5
184:
185: /*
186: * Several HP drives have an odd number of 256 byte sectors per track.
187: * This makes it rather difficult to break them into 512 and 1024 byte blocks.
188: * So...we just do like HPUX and don't bother to respect hardware track/head
189: * boundries -- we just mold the disk so that we use the entire capacity.
190: * HPUX also sometimes doen't abide by cylinder boundries, we attempt to
191: * whenever possible.
192: *
193: * DISK REAL (256 BPS) HPUX (1024 BPS) BSD (512 BPS)
194: * SPT x HD x CYL SPT x HD x CYL SPT x HD x CYL
195: * ----- --------------- --------------- --------------
196: * 7936: 123 x 7 x 1396 25 x 7 x 1716 123 x 7 x 698
197: * 7937: 123 x 13 x 1396 25 x 16 x 1395 123 x 13 x 698
198: *
199: * 7957A: 63 x 5 x 1013 11 x 7 x 1036 22 x 7 x 1036
200: * 7958A: 63 x 8 x 1013 21 x 6 x 1013 36 x 7 x 1013
201: *
202: * 7957B: 63 x 4 x 1269 9 x 7 x 1269 18 x 7 x 1269
203: * 7958B: 63 x 6 x 1572 21 x 9 x 786 42 x 9 x 786
204: * 7959B: 63 x 12 x 1572 21 x 9 x 1572 42 x 9 x 1572
205: *
206: * 2200A: 113 x 8 x 1449 113 x 2 x 1449 113 x 4 x 1449
207: * 2203A: 113 x 16 x 1449 113 x 4 x 1449 113 x 8 x 1449
208: */
209: #if DEV_BSIZE == 512
210: # define NRD7936HBPT 123
211: # define NRD7936HTRK 7
212: # define NRD7937HBPT 123
213: # define NRD7937HTRK 13
214: # define NRD7957ABPT 22
215: # define NRD7957ATRK 7
216: # define NRD7958ABPT 36
217: # define NRD7958ATRK 7
218: # define NRD7957BBPT 18
219: # define NRD7957BTRK 7
220: # define NRD7958BBPT 42
221: # define NRD7958BTRK 9
222: # define NRD7959BBPT 42
223: # define NRD7959BTRK 9
224: # define NRD2200ABPT 113
225: # define NRD2200ATRK 4
226: # define NRD2203ABPT 113
227: # define NRD2203ATRK 8
228: #endif
229: #if DEV_BSIZE == 1024
230: # define NRD7957ABPT 11
231: # define NRD7957ATRK 7
232: # define NRD7958ABPT 21
233: # define NRD7958ATRK 6
234: # define NRD7957BBPT 9
235: # define NRD7957BTRK 7
236: # define NRD7958BBPT 21
237: # define NRD7958BTRK 9
238: # define NRD7959BBPT 21
239: # define NRD7959BTRK 9
240: # define NRD2200ABPT 113
241: # define NRD2200ATRK 2
242: # define NRD2203ABPT 113
243: # define NRD2203ATRK 4
244: #endif
245:
246: /* controller "unit" number */
247: #define RDCTLR 15
248:
249: /* convert 512 byte count into DEV_BSIZE count */
250: #define RDSZ(x) ((x) >> (DEV_BSHIFT-9))
251:
252: /* convert block number into sector number and back */
253: #define RDBTOS(x) ((x) << (DEV_BSHIFT-8))
254: #define RDSTOB(x) ((x) >> (DEV_BSHIFT-8))
255:
256: /* extract cyl/head/sect info from three-vector address */
257: #define RDCYL(tva) ((u_long)(tva).cu_cyhd >> 8)
258: #define RDHEAD(tva) ((tva).cu_cyhd & 0xFF)
259: #define RDSECT(tva) ((tva).cu_sect)
260:
261: #define REF_MASK 0x0
262: #define FEF_MASK 0x0
263: #define AEF_MASK 0x0
264: #define IEF_MASK 0xF970
265:
266: #define FEF_CU 0x4000 /* cross-unit */
267: #define FEF_DR 0x0080 /* diagnostic result */
268: #define FEF_IMR 0x0008 /* internal maintenance release */
269: #define FEF_PF 0x0002 /* power fail */
270: #define FEF_REXMT 0x0001 /* retransmit */
271: #define AEF_UD 0x0040 /* unrecoverable data */
272: #define IEF_RRMASK 0xe000 /* request release bits */
273: #define IEF_MD 0x0020 /* marginal data */
274: #define IEF_RD 0x0010 /* recoverable data */
275:
276: #define C_READ 0x00
277: #define C_RAM 0x00 /* single vector (i.e. sector number) */
278: #define C_WRITE 0x02
279: #define C_CLEAR 0x08
280: #define C_STATUS 0x0d
281: #define C_SADDR 0x10
282: #define C_SLEN 0x18
283: #define C_SUNIT(x) (0x20 | (x))
284: #define C_SVOL(x) (0x40 | (x))
285: #define C_NOP 0x34
286: #define C_DESC 0x35
287: #define C_SREL 0x3b
288: #define C_SSM 0x3e
289: #define C_SRAM 0x48
290: #define C_REL 0x140
291:
292: #define C_CMD 0x05
293: #define C_EXEC 0x0e
294: #define C_QSTAT 0x10
295: #define C_TCMD 0x12
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.