1/*	$NetBSD: md.c,v 1.14 2012/01/09 11:51:41 skrll Exp $	*/
2
3/*
4 * Copyright 1997 Piermont Information Systems Inc.
5 * All rights reserved.
6 *
7 * Based on code written by Philip A. Nelson for Piermont Information
8 * Systems Inc.
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. The name of Piermont Information Systems Inc. may not be used to endorse
19 *    or promote products derived from this software without specific prior
20 *    written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY PIERMONT INFORMATION SYSTEMS INC. ``AS IS''
23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL PIERMONT INFORMATION SYSTEMS INC. BE
26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
32 * THE POSSIBILITY OF SUCH DAMAGE.
33 */
34
35/* md.c -- hp700 machine specific routines */
36/* This file is in close sync with pmax, vax, and x68k, sparc md.c */
37
38#include <sys/types.h>
39#include <sys/disklabel.h>
40#include <sys/ioctl.h>
41#include <sys/param.h>
42#include <stdio.h>
43#include <curses.h>
44#include <unistd.h>
45#include <fcntl.h>
46#include <util.h>
47
48#include "defs.h"
49#include "md.h"
50#include "msg_defs.h"
51#include "menu_defs.h"
52
53#define HP700_PDC_LIMIT	((unsigned)2*1024*1024*1024)
54
55void
56md_init(void)
57{
58}
59
60void
61md_init_set_status(int flags)
62{
63	(void)flags;
64}
65
66int
67md_get_info(void)
68{
69	struct disklabel disklabel;
70	int fd;
71	char dev_name[100];
72
73	snprintf(dev_name, 100, "/dev/r%sc", diskdev);
74
75	fd = open(dev_name, O_RDONLY, 0);
76	if (fd < 0) {
77		if (logfp)
78			(void)fprintf(logfp, "Can't open %s\n", dev_name);
79		endwin();
80		fprintf(stderr, "Can't open %s\n", dev_name);
81		exit(1);
82	}
83	if (ioctl(fd, DIOCGDINFO, &disklabel) == -1) {
84		if (logfp)
85			(void)fprintf(logfp, "Can't read disklabel on %s.\n",
86				dev_name);
87		endwin();
88		fprintf(stderr, "Can't read disklabel on %s.\n", dev_name);
89		close(fd);
90		exit(1);
91	}
92	close(fd);
93
94	dlcyl = disklabel.d_ncylinders;
95	dlhead = disklabel.d_ntracks;
96	dlsec = disklabel.d_nsectors;
97	sectorsize = disklabel.d_secsize;
98	dlcylsize = disklabel.d_secpercyl;
99
100	/*
101	 * Compute whole disk size. Take max of (dlcyl*dlhead*dlsec)
102	 * and secperunit,  just in case the disk is already labelled.
103	 * (If our new label's RAW_PART size ends up smaller than the
104	 * in-core RAW_PART size  value, updating the label will fail.)
105	 */
106	dlsize = dlcyl*dlhead*dlsec;
107	if (disklabel.d_secperunit > dlsize)
108		dlsize = disklabel.d_secperunit;
109
110	/*
111	 * hp700 PDC can only address up to 2GB.
112	 */
113	root_limit = HP700_PDC_LIMIT / (unsigned)sectorsize;
114
115	return 1;
116}
117
118/*
119 * md back-end code for menu-driven BSD disklabel editor.
120 */
121int
122md_make_bsd_partitions(void)
123{
124	return make_bsd_partitions();
125}
126
127/*
128 * any additional partition validation
129 */
130int
131md_check_partitions(void)
132{
133	/* Check the root partition is sane. */
134	uint32_t limit = HP700_PDC_LIMIT / (unsigned)sectorsize;
135	int part;
136
137	for (part = PART_A; part < MAXPARTITIONS; part++) {
138		if (strcmp(bsdlabel[part].pi_mount, "/") == 0) {
139			uint32_t offset = bsdlabel[part].pi_offset;
140			uint32_t size = bsdlabel[part].pi_size;
141
142			if (offset > limit || offset + size > limit) {
143				msg_display(MSG_md_pdclimit);
144				process_menu(MENU_ok, NULL);
145				return 0;
146			}
147		}
148	}
149
150	return 1;
151}
152
153/*
154 * hook called before writing new disklabel.
155 */
156int
157md_pre_disklabel(void)
158{
159	return 0;
160}
161
162/*
163 * hook called after writing disklabel to new target disk.
164 */
165int
166md_post_disklabel(void)
167{
168	return 0;
169}
170
171/*
172 * hook called after upgrade() or install() has finished setting
173 * up the target disk but immediately before the user is given the
174 * ``disks are now set up'' message.
175 */
176int
177md_post_newfs(void)
178{
179	int error;
180
181	error = cp_to_target("/usr/mdec/boot", "/boot");
182	if (error)
183		return error;
184
185	/* boot blocks ... */
186	msg_display(MSG_dobootblks, diskdev);
187	if (run_program(RUN_DISPLAY | RUN_NO_CLEAR,
188	    "/usr/sbin/installboot -v /dev/r%sc /usr/mdec/xxboot",
189	    diskdev))
190		process_menu(MENU_ok,
191			 deconst("Warning: disk is probably not bootable"));
192	return 0;
193}
194
195int
196md_post_extract(void)
197{
198	return 0;
199}
200
201void
202md_cleanup_install(void)
203{
204#ifndef DEBUG
205	enable_rc_conf();
206#endif
207}
208
209int
210md_pre_update(void)
211{
212	return 1;
213}
214
215/* Upgrade support */
216int
217md_update(void)
218{
219	md_post_newfs();
220	return 1;
221}
222
223int
224md_pre_mount()
225{
226	return 0;
227}
228