1*fa1cc128Sleo /* $NetBSD: ahdi.c,v 1.1 2002/02/24 20:51:07 leo Exp $ */
2*fa1cc128Sleo
3*fa1cc128Sleo /*
4*fa1cc128Sleo * Copyright (c) 1996 Leo Weppelman, Waldi Ravens.
5*fa1cc128Sleo * All rights reserved.
6*fa1cc128Sleo *
7*fa1cc128Sleo * Redistribution and use in source and binary forms, with or without
8*fa1cc128Sleo * modification, are permitted provided that the following conditions
9*fa1cc128Sleo * are met:
10*fa1cc128Sleo * 1. Redistributions of source code must retain the above copyright
11*fa1cc128Sleo * notice, this list of conditions and the following disclaimer.
12*fa1cc128Sleo * 2. Redistributions in binary form must reproduce the above copyright
13*fa1cc128Sleo * notice, this list of conditions and the following disclaimer in the
14*fa1cc128Sleo * documentation and/or other materials provided with the distribution.
15*fa1cc128Sleo * 3. All advertising materials mentioning features or use of this software
16*fa1cc128Sleo * must display the following acknowledgement:
17*fa1cc128Sleo * This product includes software developed by
18*fa1cc128Sleo * Leo Weppelman and Waldi Ravens.
19*fa1cc128Sleo * 4. The name of the author may not be used to endorse or promote products
20*fa1cc128Sleo * derived from this software without specific prior written permission.
21*fa1cc128Sleo *
22*fa1cc128Sleo * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23*fa1cc128Sleo * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24*fa1cc128Sleo * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25*fa1cc128Sleo * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26*fa1cc128Sleo * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27*fa1cc128Sleo * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28*fa1cc128Sleo * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29*fa1cc128Sleo * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30*fa1cc128Sleo * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31*fa1cc128Sleo * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32*fa1cc128Sleo */
33*fa1cc128Sleo
34*fa1cc128Sleo #include <sys/types.h>
35*fa1cc128Sleo #include <stdlib.h>
36*fa1cc128Sleo #include <string.h>
37*fa1cc128Sleo #include <ctype.h>
38*fa1cc128Sleo #include <stdio.h>
39*fa1cc128Sleo #include <xhdi.h>
40*fa1cc128Sleo #include "libtos.h"
41*fa1cc128Sleo #include "diskio.h"
42*fa1cc128Sleo #include "ahdilbl.h"
43*fa1cc128Sleo
44*fa1cc128Sleo u_int
ahdi_getparts(dd,ptable,rsec,esec)45*fa1cc128Sleo ahdi_getparts(dd, ptable, rsec, esec)
46*fa1cc128Sleo disk_t *dd;
47*fa1cc128Sleo ptable_t *ptable;
48*fa1cc128Sleo u_int rsec,
49*fa1cc128Sleo esec;
50*fa1cc128Sleo {
51*fa1cc128Sleo struct ahdi_part *part, *end;
52*fa1cc128Sleo struct ahdi_root *root;
53*fa1cc128Sleo u_int rv;
54*fa1cc128Sleo
55*fa1cc128Sleo root = disk_read(dd, rsec, 1);
56*fa1cc128Sleo if (!root) {
57*fa1cc128Sleo rv = rsec + (rsec == 0);
58*fa1cc128Sleo goto done;
59*fa1cc128Sleo }
60*fa1cc128Sleo
61*fa1cc128Sleo if (rsec == AHDI_BBLOCK)
62*fa1cc128Sleo end = &root->ar_parts[AHDI_MAXRPD];
63*fa1cc128Sleo else end = &root->ar_parts[AHDI_MAXARPD];
64*fa1cc128Sleo for (part = root->ar_parts; part < end; ++part) {
65*fa1cc128Sleo u_int id = *((u_int32_t *)&part->ap_flg);
66*fa1cc128Sleo if (!(id & 0x01000000))
67*fa1cc128Sleo continue;
68*fa1cc128Sleo if ((id &= 0x00ffffff) == AHDI_PID_XGM) {
69*fa1cc128Sleo u_int offs = part->ap_st + esec;
70*fa1cc128Sleo rv = ahdi_getparts(dd, ptable, offs,
71*fa1cc128Sleo esec == AHDI_BBLOCK ? offs : esec);
72*fa1cc128Sleo if (rv)
73*fa1cc128Sleo goto done;
74*fa1cc128Sleo } else {
75*fa1cc128Sleo part_t *p;
76*fa1cc128Sleo u_int i = ++ptable->nparts;
77*fa1cc128Sleo ptable->parts = xrealloc(ptable->parts,
78*fa1cc128Sleo i * sizeof *ptable->parts);
79*fa1cc128Sleo p = &ptable->parts[--i];
80*fa1cc128Sleo *((u_int32_t *)&p->id) = id << 8;
81*fa1cc128Sleo p->start = part->ap_st + rsec;
82*fa1cc128Sleo p->end = p->start + part->ap_size - 1;
83*fa1cc128Sleo p->rsec = rsec;
84*fa1cc128Sleo p->rent = part - root->ar_parts;
85*fa1cc128Sleo p->mod = 0;
86*fa1cc128Sleo }
87*fa1cc128Sleo }
88*fa1cc128Sleo rv = 0;
89*fa1cc128Sleo done:
90*fa1cc128Sleo free(root);
91*fa1cc128Sleo return(rv);
92*fa1cc128Sleo }
93