xref: /openbsd-src/usr.sbin/installboot/sparc64_softraid.c (revision 7510f1853da61ff94685428118a05a01b8842f76)
1 /*	$OpenBSD: sparc64_softraid.c,v 1.7 2022/10/05 09:58:43 kn Exp $	*/
2 /*
3  * Copyright (c) 2012 Joel Sing <jsing@openbsd.org>
4  *
5  * Permission to use, copy, modify, and distribute this software for any
6  * purpose with or without fee is hereby granted, provided that the above
7  * copyright notice and this permission notice appear in all copies.
8  *
9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16  */
17 
18 #include <sys/types.h>
19 #include <sys/disklabel.h>
20 #include <sys/ioctl.h>
21 #include <sys/stat.h>
22 
23 #include <dev/biovar.h>
24 #include <dev/softraidvar.h>
25 
26 #include <err.h>
27 #include <fcntl.h>
28 #include <stdio.h>
29 #include <string.h>
30 #include <util.h>
31 #include <unistd.h>
32 
33 #include "installboot.h"
34 #include "sparc64_installboot.h"
35 
36 void
37 sr_install_bootblk(int devfd, int vol, int disk)
38 {
39 	struct bioc_disk bd;
40 	char *realdev;
41 	int diskfd;
42 	char part;
43 
44 	/* Get device name for this disk/chunk. */
45 	memset(&bd, 0, sizeof(bd));
46 	bd.bd_volid = vol;
47 	bd.bd_diskid = disk;
48 	if (ioctl(devfd, BIOCDISK, &bd) == -1)
49 		err(1, "BIOCDISK");
50 
51 	/* Check disk status. */
52 	if (bd.bd_status != BIOC_SDONLINE && bd.bd_status != BIOC_SDREBUILD) {
53 		fprintf(stderr, "softraid chunk %u not online - skipping...\n",
54 		    disk);
55 		return;
56 	}
57 
58 	/* Keydisks always have a size of zero. */
59 	if (bd.bd_size == 0) {
60 		fprintf(stderr, "softraid chunk %u is keydisk - skipping...\n",
61 		    disk);
62 		return;
63 	}
64 
65 	if (strlen(bd.bd_vendor) < 1)
66 		errx(1, "invalid disk name");
67 	part = bd.bd_vendor[strlen(bd.bd_vendor) - 1];
68 	if (part < 'a' || part >= 'a' + MAXPARTITIONS)
69 		errx(1, "invalid partition %c\n", part);
70 	bd.bd_vendor[strlen(bd.bd_vendor) - 1] = '\0';
71 
72 	/* Open device. */
73 	if ((diskfd = opendev(bd.bd_vendor, (nowrite ? O_RDONLY : O_RDWR),
74 	    OPENDEV_PART, &realdev)) == -1)
75 		err(1, "open: %s", realdev);
76 
77 	if (verbose)
78 		fprintf(stderr, "%s%c: %s boot blocks on %s\n", bd.bd_vendor,
79 		    part, (nowrite ? "would install" : "installing"), realdev);
80 
81 	/* Write boot blocks to device. */
82 	md_installboot(diskfd, realdev);
83 
84 	close(diskfd);
85 }
86 
87 void
88 sr_install_bootldr(int devfd, char *dev)
89 {
90 	struct bioc_installboot bb;
91 
92 	/*
93 	 * Install boot loader into softraid boot loader storage area.
94 	 */
95 	memset(&bb, 0, sizeof(bb));
96 	bb.bb_bootblk = blkstore;
97 	bb.bb_bootblk_size = blksize;
98 	bb.bb_bootldr = ldrstore;
99 	bb.bb_bootldr_size = ldrsize;
100 	strncpy(bb.bb_dev, dev, sizeof(bb.bb_dev));
101 	if (verbose)
102 		fprintf(stderr, "%s: %s boot loader on softraid volume\n", dev,
103 		    (nowrite ? "would install" : "installing"));
104 	if (!nowrite) {
105 		if (ioctl(devfd, BIOCINSTALLBOOT, &bb) == -1)
106 			errx(1, "softraid installboot failed");
107 		sr_status(&bb.bb_bio.bio_status);
108 	}
109 }
110