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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 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 $Hdr: rd.c 1.14 89/02/27$
39: *
40: * @(#)rd.c 7.3 (Berkeley) 5/5/91
41: */
42:
43: /*
44: * CS80/SS80 disk driver
45: */
46: #include <sys/param.h>
47: #include "saio.h"
48: #include "samachdep.h"
49:
50: #include "../dev/rdreg.h"
51:
52: struct rd_iocmd rd_ioc;
53: struct rd_rscmd rd_rsc;
54: struct rd_stat rd_stat;
55: struct rd_ssmcmd rd_ssmc;
56:
57: struct rd_softc {
58: char sc_retry;
59: char sc_alive;
60: short sc_type;
61: } rd_softc[NRD];
62:
63: #define RDRETRY 5
64:
65: int rdcyloff[][8] = {
66: { 1, 143, 0, 143, 0, 0, 323, 503, }, /* 7945A */
67: { 1, 167, 0, 0, 0, 0, 0, 0, }, /* 9134D */
68: { 0, 0, 0, 0, 0, 0, 0, 0, }, /* 9122S */
69: { 0, 71, 0, 221, 292, 542, 221, 0, }, /* 7912P */
70: { 1, 72, 0, 72, 362, 802, 252, 362, }, /* 7914P */
71: { 1, 28, 0, 140, 167, 444, 140, 721, }, /* 7933H */
72: { 1, 200, 0, 200, 0, 0, 450, 600, }, /* 9134L */
73: { 1, 105, 0, 105, 380, 736, 265, 380, }, /* 7957A */
74: { 1, 65, 0, 65, 257, 657, 193, 257, }, /* 7958A */
75: { 1, 128, 0, 128, 518, 918, 388, 518, }, /* 7957B */
76: { 1, 44, 0, 44, 174, 496, 131, 174, }, /* 7958B */
77: { 1, 44, 0, 44, 218, 918, 174, 218, }, /* 7959B */
78: { 1, 20, 0, 98, 117, 256, 98, 397, }, /* 7936H */
79: { 1, 11, 0, 53, 63, 217, 53, 371, }, /* 7937H */
80: };
81:
82: struct rdinfo {
83: int nbpc;
84: int hwid;
85: int *cyloff;
86: } rdinfo[] = {
87: NRD7945ABPT*NRD7945ATRK, RD7946AID, rdcyloff[0],
88: NRD9134DBPT*NRD9134DTRK, RD9134DID, rdcyloff[1],
89: NRD9122SBPT*NRD9122STRK, RD9134LID, rdcyloff[2],
90: NRD7912PBPT*NRD7912PTRK, RD7912PID, rdcyloff[3],
91: NRD7914PBPT*NRD7914PTRK, RD7914PID, rdcyloff[4],
92: NRD7958ABPT*NRD7958ATRK, RD7958AID, rdcyloff[8],
93: NRD7957ABPT*NRD7957ATRK, RD7957AID, rdcyloff[7],
94: NRD7933HBPT*NRD7933HTRK, RD7933HID, rdcyloff[5],
95: NRD9134LBPT*NRD9134LTRK, RD9134LID, rdcyloff[6],
96: NRD7936HBPT*NRD7936HTRK, RD7936HID, rdcyloff[12],
97: NRD7937HBPT*NRD7937HTRK, RD7937HID, rdcyloff[13],
98: NRD7914PBPT*NRD7914PTRK, RD7914CTID,rdcyloff[4],
99: NRD7945ABPT*NRD7945ATRK, RD7946AID, rdcyloff[0],
100: NRD9122SBPT*NRD9122STRK, RD9134LID, rdcyloff[2],
101: NRD7957BBPT*NRD7957BTRK, RD7957BID, rdcyloff[9],
102: NRD7958BBPT*NRD7958BTRK, RD7958BID, rdcyloff[10],
103: NRD7959BBPT*NRD7959BTRK, RD7959BID, rdcyloff[11],
104: };
105: int nrdinfo = sizeof(rdinfo) / sizeof(rdinfo[0]);
106:
107: rdinit(unit)
108: register int unit;
109: {
110: register struct rd_softc *rs;
111: u_char stat;
112:
113: if (unit > NRD)
114: return (0);
115: rs = &rd_softc[unit];
116: rs->sc_type = rdident(unit);
117: if (rs->sc_type < 0)
118: return (0);
119: rs->sc_alive = 1;
120: return (1);
121: }
122:
123: rdreset(unit)
124: {
125: u_char stat;
126:
127: rd_ssmc.c_unit = C_SUNIT(0);
128: rd_ssmc.c_cmd = C_SSM;
129: rd_ssmc.c_refm = REF_MASK;
130: rd_ssmc.c_fefm = FEF_MASK;
131: rd_ssmc.c_aefm = AEF_MASK;
132: rd_ssmc.c_iefm = IEF_MASK;
133: hpibsend(unit, C_CMD, &rd_ssmc, sizeof(rd_ssmc));
134: hpibswait(unit);
135: hpibrecv(unit, C_QSTAT, &stat, 1);
136: }
137:
138: rdident(unit)
139: {
140: struct rd_describe desc;
141: u_char stat, cmd[3];
142: char name[7];
143: register int id, i;
144:
145: id = hpibid(unit);
146: if ((id & 0x200) == 0)
147: return(-1);
148: for (i = 0; i < nrdinfo; i++)
149: if (id == rdinfo[i].hwid)
150: break;
151: if (i == nrdinfo)
152: return(-1);
153: id = i;
154: rdreset(unit);
155: cmd[0] = C_SUNIT(0);
156: cmd[1] = C_SVOL(0);
157: cmd[2] = C_DESC;
158: hpibsend(unit, C_CMD, cmd, sizeof(cmd));
159: hpibrecv(unit, C_EXEC, &desc, 37);
160: hpibrecv(unit, C_QSTAT, &stat, sizeof(stat));
161: bzero(name, sizeof(name));
162: if (!stat) {
163: register int n = desc.d_name;
164: for (i = 5; i >= 0; i--) {
165: name[i] = (n & 0xf) + '0';
166: n >>= 4;
167: }
168: }
169: /*
170: * Take care of a couple of anomolies:
171: * 1. 7945A and 7946A both return same HW id
172: * 2. 9122S and 9134D both return same HW id
173: * 3. 9122D and 9134L both return same HW id
174: */
175: switch (rdinfo[id].hwid) {
176: case RD7946AID:
177: if (bcmp(name, "079450", 6) == 0)
178: id = RD7945A;
179: else
180: id = RD7946A;
181: break;
182:
183: case RD9134LID:
184: if (bcmp(name, "091340", 6) == 0)
185: id = RD9134L;
186: else
187: id = RD9122D;
188: break;
189:
190: case RD9134DID:
191: if (bcmp(name, "091220", 6) == 0)
192: id = RD9122S;
193: else
194: id = RD9134D;
195: break;
196: }
197: return(id);
198: }
199:
200: rdopen(io)
201: struct iob *io;
202: {
203: register int unit = io->i_unit;
204: register struct rd_softc *rs = &rd_softc[unit];
205: struct rdinfo *ri;
206:
207: if (hpibalive(unit) == 0)
208: _stop("rd controller not configured");
209: if (rs->sc_alive == 0)
210: if (rdinit(unit) == 0)
211: _stop("rd init failed");
212: if (io->i_boff < 0 || io->i_boff > 7)
213: _stop("rd bad minor");
214: ri = &rdinfo[rs->sc_type];
215: io->i_boff = ri->cyloff[io->i_boff] * ri->nbpc;
216: }
217:
218: rdstrategy(io, func)
219: register struct iob *io;
220: register int func;
221: {
222: register int unit = io->i_unit;
223: register struct rd_softc *rs = &rd_softc[unit];
224: char stat;
225:
226: rs->sc_retry = 0;
227: rd_ioc.c_unit = C_SUNIT(0);
228: rd_ioc.c_volume = C_SVOL(0);
229: rd_ioc.c_saddr = C_SADDR;
230: rd_ioc.c_hiaddr = 0;
231: rd_ioc.c_addr = RDBTOS(io->i_bn);
232: rd_ioc.c_nop2 = C_NOP;
233: rd_ioc.c_slen = C_SLEN;
234: rd_ioc.c_len = io->i_cc;
235: rd_ioc.c_cmd = func == F_READ ? C_READ : C_WRITE;
236: retry:
237: hpibsend(unit, C_CMD, &rd_ioc.c_unit, sizeof(rd_ioc)-2);
238: hpibswait(unit);
239: hpibgo(unit, C_EXEC, io->i_ma, io->i_cc, func);
240: hpibswait(unit);
241: hpibrecv(unit, C_QSTAT, &stat, 1);
242: if (stat) {
243: if (rderror(unit) == 0)
244: return(-1);
245: if (++rs->sc_retry > RDRETRY)
246: return(-1);
247: else
248: goto retry;
249: }
250: return(io->i_cc);
251: }
252:
253: rderror(unit)
254: register int unit;
255: {
256: register struct rd_softc *rd = &rd_softc[unit];
257: char stat;
258:
259: rd_rsc.c_unit = C_SUNIT(0);
260: rd_rsc.c_sram = C_SRAM;
261: rd_rsc.c_ram = C_RAM;
262: rd_rsc.c_cmd = C_STATUS;
263: hpibsend(unit, C_CMD, &rd_rsc, sizeof(rd_rsc));
264: hpibrecv(unit, C_EXEC, &rd_stat, sizeof(rd_stat));
265: hpibrecv(unit, C_QSTAT, &stat, 1);
266: if (stat) {
267: printf("rd(%d,?): request status fail %d\n", unit, stat);
268: return(0);
269: }
270: printf("rd(%d,?) err: vu 0x%x", unit, rd_stat.c_vu);
271: if ((rd_stat.c_aef & AEF_UD) || (rd_stat.c_ief & (IEF_MD|IEF_RD)))
272: printf(", block %d", rd_stat.c_blk);
273: printf(", R0x%x F0x%x A0x%x I0x%x\n",
274: rd_stat.c_ref, rd_stat.c_fef, rd_stat.c_aef, rd_stat.c_ief);
275: return(1);
276: }
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