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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* Two output fields under the -i option will always be
* output as zero, since they are not supported by Sun:
* Software version, and
* Drive id number.
* AT&T filled these 2 fields with data from their "pdsector",
* which Sun doesn't support per se.
*/
#include <stdio.h>
#include <fcntl.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/dkio.h>
#include <sys/efi_partition.h>
#include <sys/vtoc.h>
#include <sys/mkdev.h>
#include <errno.h>
#define DRERR 2
#define OPENERR 2
/*
* Standard I/O file descriptors.
*/
#define STDOUT 1 /* Standard output */
#define STDERR 2 /* Standard error */
static void partinfo(int fd, char *device);
static void devinfo(struct dk_geom *geom, int fd, char *device);
static int readvtoc(int fd, char *name, struct vtoc *vtoc);
static int warn(char *what, char *why);
static void usage(void);
int
main(int argc, char **argv)
{
struct dk_geom geom;
int errflg, iflg, pflg, fd, c;
char *device;
iflg = 0;
pflg = 0;
errflg = 0;
while ((c = getopt(argc, argv, "i:p:")) != EOF) {
switch (c) {
case 'i':
iflg++;
device = optarg;
break;
case 'p':
pflg++;
device = optarg;
break;
case '?':
errflg++;
break;
default:
errflg++;
break;
}
if (errflg)
usage();
}
if ((optind > argc) || (optind == 1) || (pflg && iflg))
usage();
if ((fd = open(device, O_RDONLY)) < 0) {
(void) fprintf(stderr, "devinfo: %s: %s\n",
device, strerror(errno));
exit(OPENERR);
}
if (iflg) {
if (ioctl(fd, DKIOCGGEOM, &geom) == -1) {
if (errno == ENOTSUP) {
(void) warn(device,
"This operation is not supported on EFI labeled devices");
} else {
(void) warn(device,
"Unable to read Disk geometry");
}
(void) close(fd);
exit(DRERR);
}
devinfo(&geom, fd, device);
}
if (pflg)
partinfo(fd, device);
(void) close(fd);
return (0);
}
static void
partinfo(int fd, char *device)
{
int i;
int slice;
major_t maj;
minor_t min;
struct stat64 statbuf;
struct vtoc vtdata;
struct dk_gpt *efi;
i = stat64(device, &statbuf);
if (i < 0)
exit(DRERR);
maj = major(statbuf.st_rdev);
min = minor(statbuf.st_rdev);
if ((slice = readvtoc(fd, device, &vtdata)) >= 0) {
(void) printf("%s\t%0lx\t%0lx\t%ld\t%ld\t%x\t%x\n",
device, maj, min,
vtdata.v_part[slice].p_start,
vtdata.v_part[slice].p_size,
vtdata.v_part[slice].p_flag,
vtdata.v_part[slice].p_tag);
} else if ((slice == VT_ENOTSUP) &&
(slice = efi_alloc_and_read(fd, &efi)) >= 0) {
(void) printf("%s\t%lx\t%lx\t%lld\t%lld\t%hx\t%hx\n",
device, maj, min,
efi->efi_parts[slice].p_start,
efi->efi_parts[slice].p_size,
efi->efi_parts[slice].p_flag,
efi->efi_parts[slice].p_tag);
} else {
exit(DRERR);
}
}
static void
devinfo(struct dk_geom *geom, int fd, char *device)
{
int i;
unsigned int nopartitions, sectorcyl, bytes;
struct vtoc vtdata;
/*
* unsigned int version = 0;
* unsigned int driveid = 0;
*/
nopartitions = 0;
sectorcyl = 0;
bytes = 0;
if (readvtoc(fd, device, &vtdata) < 0)
exit(DRERR);
sectorcyl = geom->dkg_nhead * geom->dkg_nsect;
bytes = vtdata.v_sectorsz;
/*
* these are not supported by Sun.
*
* driveid = osect0->newsect0.pdinfo.driveid;
* version = osect0->newsect0.pdinfo.version;
*/
for (i = 0; i < V_NUMPAR; i++) {
if (vtdata.v_part[i].p_size != 0x00)
nopartitions++;
}
/*
* (void) printf("%s %0x %0x %d %d %d\n",
* device, version, driveid, sectorcyl, bytes, nopartitions);
*/
(void) printf("%s %0x %0x %d %d %d\n",
device, 0, 0, sectorcyl, bytes, nopartitions);
}
/*
* readvtoc()
*
* Read a partition map.
*/
static int
readvtoc(int fd, char *name, struct vtoc *vtoc)
{
int retval;
retval = read_vtoc(fd, vtoc);
switch (retval) {
case (VT_ERROR):
return (warn(name, strerror(errno)));
case (VT_EIO):
return (warn(name, "I/O error accessing VTOC"));
case (VT_EINVAL):
return (warn(name, "Invalid field in VTOC"));
}
return (retval);
}
/*
* warn()
*
* Print an error message. Always returns -1.
*/
static int
warn(char *what, char *why)
{
static char myname[] = "devinfo";
static char between[] = ": ";
static char after[] = "\n";
(void) write(STDERR, myname, (uint_t)strlen(myname));
(void) write(STDERR, between, (uint_t)strlen(between));
(void) write(STDERR, what, (uint_t)strlen(what));
(void) write(STDERR, between, (uint_t)strlen(between));
(void) write(STDERR, why, (uint_t)strlen(why));
(void) write(STDERR, after, (uint_t)strlen(after));
return (-1);
}
static void
usage(void)
{
(void) fprintf(stderr, "Usage: devinfo -p device\n"
" devinfo -i device \n");
exit(2);
}
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