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1.1 root 1: /*
2: * Copyright (c) 1982, 1986, 1988 Regents of the University of California.
3: * All rights reserved. The Berkeley software License Agreement
4: * specifies the terms and conditions for redistribution.
5: *
6: * @(#)uda.c 7.10 (Berkeley) 4/4/90
7: */
8:
9: /*
10: * UDA50/RAxx disk device driver
11: */
12:
13: #include "param.h"
14: #include "buf.h"
15: #include "disklabel.h"
16:
17: #include "../vax/pte.h"
18:
19: #include "saio.h"
20: #include "savax.h"
21:
22: /*
23: * Unused, but needed in udareg.h
24: */
25: #define NRSP 1
26: #define NCMD 1
27:
28: #include "../vaxuba/udareg.h"
29: #include "../vaxuba/ubareg.h"
30: #include "../vaxuba/ubavar.h"
31: #include "../vax/mscp.h"
32:
33: #define NRA 8 /* max. unit number on controller */
34: #define SECTSIZ 512 /* sector size in bytes */
35:
36: #define MAXCTLR 1 /* all addresses must be specified */
37: u_short udastd[MAXCTLR] = { 0772150 };
38:
39: struct udadevice *udaddr[MAXNUBA][MAXCTLR];
40:
41: struct uda1 {
42: struct uda1ca uda1_ca; /* communications area */
43: struct mscp uda1_rsp; /* response packet */
44: struct mscp uda1_cmd; /* command packet */
45: } uda1;
46:
47: /* Unibus address of uda structure */
48: struct uda1 *ud_ubaddr[MAXNUBA][MAXCTLR];
49: struct disklabel ralabel[MAXNUBA][MAXCTLR][NRA];
50: static u_long ramedia[MAXNUBA][MAXCTLR][NRA];
51: char lbuf[SECTSIZ];
52:
53: raopen(io)
54: register struct iob *io;
55: {
56: register struct disklabel *lp;
57: register struct udadevice *addr;
58: register struct uda1 *ubaaddr;
59: register int uba, unit;
60: static int udainit[MAXNUBA][MAXCTLR];
61: struct iob tio;
62:
63: if ((u_int)(uba = io->i_adapt) >= nuba)
64: return (EADAPT);
65: if ((u_int)io->i_ctlr >= MAXCTLR)
66: return (ECTLR);
67: if ((u_int)(unit = io->i_unit) >= NRA)
68: return (EUNIT);
69: addr = udaddr[uba][io->i_ctlr] =
70: (struct udadevice *)ubamem(uba, udastd[io->i_ctlr]);
71: if (badaddr((char *)addr, sizeof(short)))
72: return (ENXIO);
73: if ((ubaaddr = ud_ubaddr[uba][io->i_ctlr]) == 0) {
74: tio = *io;
75: tio.i_ma = (caddr_t)&uda1;
76: tio.i_cc = sizeof(uda1);
77: ud_ubaddr[uba][io->i_ctlr] = ubaaddr =
78: (struct uda1 *)ubasetup(&tio, 2);
79: }
80: if (udainit[uba][io->i_ctlr] == 0) {
81: addr->udaip = 0;
82: while ((addr->udasa & UDA_STEP1) == 0);
83: addr->udasa = UDA_ERR;
84: while ((addr->udasa & UDA_STEP2) == 0);
85: addr->udasa = (int)&ubaaddr->uda1_ca.ca_rspdsc;
86: while ((addr->udasa & UDA_STEP3) == 0);
87: addr->udasa = (int)&ubaaddr->uda1_ca.ca_rspdsc >> 16;
88: while ((addr->udasa & UDA_STEP4) == 0);
89: addr->udasa = UDA_GO;
90: uda1.uda1_ca.ca_rspdsc = (long)&ubaaddr->uda1_rsp.mscp_cmdref;
91: uda1.uda1_ca.ca_cmddsc = (long)&ubaaddr->uda1_cmd.mscp_cmdref;
92: /* uda1.uda1_cmd.mscp_cntflgs = 0; */
93: if (udcmd(M_OP_SETCTLRC, io)) {
94: printf("ra: open error, SETCTLRC\n");
95: return (ENXIO);
96: }
97: udainit[uba][io->i_ctlr] = 1;
98: }
99: lp = &ralabel[uba][io->i_ctlr][unit];
100: if (ramedia[uba][io->i_ctlr][unit] == 0) {
101: uda1.uda1_cmd.mscp_unit = unit;
102: if (udcmd(M_OP_ONLINE, io)) {
103: printf("ra: open error, ONLINE\n");
104: return (ENXIO);
105: }
106: ramedia[uba][io->i_ctlr][unit] =
107: uda1.uda1_rsp.mscp_onle.onle_mediaid;
108: tio = *io;
109: tio.i_bn = LABELSECTOR;
110: tio.i_ma = lbuf;
111: tio.i_cc = SECTSIZ;
112: tio.i_flgs |= F_RDDATA;
113: if (rastrategy(&tio, READ) != SECTSIZ)
114: return (ERDLAB);
115: *lp = *(struct disklabel *)(lbuf + LABELOFFSET);
116: if (lp->d_magic != DISKMAGIC || lp->d_magic2 != DISKMAGIC) {
117: #ifdef COMPAT_42
118: printf("ra%d: unlabeled\n", unit);
119: ramaptype(io, lp);
120: #else
121: return (EUNLAB);
122: #endif
123: }
124: }
125: if ((u_int)io->i_part >= lp->d_npartitions ||
126: (io->i_boff = lp->d_partitions[io->i_part].p_offset) == -1)
127: return (EPART);
128: return (0);
129: }
130:
131: int
132: udcmd(op, io)
133: int op;
134: register struct iob *io;
135: {
136: register struct uda1 *u = &uda1;
137: register struct mscp *mp;
138: register int i;
139:
140: u->uda1_cmd.mscp_opcode = op;
141: u->uda1_cmd.mscp_msglen = MSCP_MSGLEN;
142: u->uda1_rsp.mscp_msglen = MSCP_MSGLEN;
143: u->uda1_ca.ca_rspdsc |= MSCP_OWN|MSCP_INT;
144: u->uda1_ca.ca_cmddsc |= MSCP_OWN|MSCP_INT;
145: i = udaddr[io->i_adapt][io->i_ctlr]->udaip; /* start uda polling */
146: #ifdef lint
147: i = i;
148: #endif
149: mp = &u->uda1_rsp;
150: for (;;) {
151: if (u->uda1_ca.ca_cmdint)
152: u->uda1_ca.ca_cmdint = 0;
153: if (u->uda1_ca.ca_rspint == 0)
154: continue;
155: u->uda1_ca.ca_rspint = 0;
156: if (mp->mscp_opcode == (op | M_OP_END))
157: break;
158: printf("unexpected rsp type %x op %x ignored\n",
159: MSCP_MSGTYPE(mp->mscp_msgtc), mp->mscp_opcode);
160: u->uda1_ca.ca_rspdsc |= MSCP_OWN | MSCP_INT;
161: }
162: if ((mp->mscp_status&M_ST_MASK) != M_ST_SUCCESS)
163: return (-1);
164: return (0);
165: }
166:
167: rastrategy(io, func)
168: register struct iob *io;
169: int func;
170: {
171: register struct mscp *mp;
172: register int ubinfo;
173:
174: ubinfo = ubasetup(io, 1);
175: mp = &uda1.uda1_cmd;
176: mp->mscp_unit = io->i_unit;
177: mp->mscp_seq.seq_lbn = io->i_bn;
178: mp->mscp_seq.seq_bytecount = io->i_cc;
179: mp->mscp_seq.seq_buffer = UBAI_ADDR(ubinfo) | (UBAI_BDP(ubinfo) << 24);
180: if (udcmd(func == READ ? M_OP_READ : M_OP_WRITE, io)) {
181: printf("ra: I/O error\n");
182: ubafree(io, ubinfo);
183: return (-1);
184: }
185: ubafree(io, ubinfo);
186: return (io->i_cc);
187: }
188:
189: #ifdef COMPAT_42
190: u_long rc25_off[] = { 0, 15884, 0, -1, -1, -1, 25916, -1 };
191: u_long rx50_off[] = { 0, 0, 0, 0, 0, 0, 0, 0 };
192: u_long rd52_off[] = { 0, 15884, 0, 0, 0, 0, 25650, 0 };
193: u_long rd53_off[] = { 0, 15884, 0, 0, 0, 33440, 49324, 15884 };
194: u_long ra60_off[] = { 0, 15884, 0, 49324, 131404, 49324, 242606, 49324 };
195: #define ra70_off ra60_off
196: u_long ra80_off[] = { 0, 15884, 0, -1, 49324, 49324, 49910, 131404 };
197: #ifndef UCBRA
198: #ifdef RA_COMPAT
199: u_long ra81_off[] = { 0, 16422, 0, 49324, 131404, 412490, 375564, 83538 };
200: #else
201: u_long ra81_off[] = { 0, 16422, 0, 375564, 391986, 699720, 375564, 83538 };
202: #endif
203: #else
204: u_long ra81_off[] = { 0, 15884, 0, 242606, 258490, 565690, 242606, 49324 };
205: #endif
206: u_long ra82_off[] = { 0, 15884, 0, 375345, 391590, 699390, 375345, 83790 };
207:
208: struct mediamap {
209: u_long id; /* media ID */
210: u_long *off; /* offsets */
211: } ra_map[] = {
212: { MSCP_MKDRIVE2('R', 'A', 60), ra60_off },
213: { MSCP_MKDRIVE2('R', 'A', 70), ra70_off },
214: { MSCP_MKDRIVE2('R', 'A', 80), ra80_off },
215: { MSCP_MKDRIVE2('R', 'A', 81), ra81_off },
216: { MSCP_MKDRIVE2('R', 'A', 82), ra82_off },
217: { MSCP_MKDRIVE2('R', 'C', 25), rc25_off },
218: { MSCP_MKDRIVE3('R', 'C', 'F', 25), rc25_off },
219: { MSCP_MKDRIVE2('R', 'D', 52), rd52_off },
220: { MSCP_MKDRIVE2('R', 'D', 53), rd53_off },
221: { MSCP_MKDRIVE2('R', 'X', 50), rx50_off },
222: 0
223: };
224:
225: ramaptype(io, lp)
226: register struct iob *io;
227: register struct disklabel *lp;
228: {
229: register struct partition *pp;
230: register u_long i;
231: register struct mediamap *map;
232:
233: i = MSCP_MEDIA_DRIVE(ramedia[io->i_adapt][io->i_ctlr][io->i_unit]);
234: for (map = ra_map; map->id != 0; map++) {
235: if (map->id == i) {
236: lp->d_npartitions = 8;
237: for (pp = lp->d_partitions, i = 0; i < 8; pp++, i++)
238: pp->p_offset = map->off[i];
239: return;
240: }
241: }
242: printf("ra%d: media type 0x%x unsupported\n", io->i_unit, i);
243: lp->d_npartitions = 0;
244: }
245: #endif
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