OpenSolaris_b135/cmd/prtconf/prtconf.c
/*
* 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 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
#include <stdio.h>
#include <stdarg.h>
#include <stdlib.h>
#include <unistd.h>
#include <strings.h>
#include <sys/systeminfo.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "prtconf.h"
struct prt_opts opts;
struct prt_dbg dbg;
static char new_path[MAXPATHLEN];
#define INDENT_LENGTH 4
#ifdef __x86
static const char *usage = "%s [ -V | -x | -abcdvpPD ] [ <device_path > ]\n";
#else
static const char *usage =
"%s [ -F | -V | -x | -abcdvpPD ][ <device_path > ]\n";
#endif /* __x86 */
static void
setprogname(const char *name)
{
char *p;
if (name == NULL)
opts.o_progname = "prtconf";
else if (p = strrchr(name, '/'))
opts.o_progname = (const char *) p + 1;
else
opts.o_progname = name;
}
/*PRINTFLIKE1*/
void
dprintf(const char *fmt, ...)
{
if (dbg.d_debug) {
va_list ap;
va_start(ap, fmt);
(void) vfprintf(stderr, fmt, ap);
va_end(ap);
}
}
void
indent_to_level(int ilev)
{
(void) printf("%*s", INDENT_LENGTH * ilev, "");
}
static void
cleanup_path(const char *input_path, char *path)
{
char *ptr, *ptr2;
size_t len;
if ((input_path == NULL) || (path == NULL))
return;
(void) strcpy(path, input_path);
/*LINTED*/
while (1) {
len = strlen(path);
if (len == 0)
break;
/* change substring "//" into "/" */
if (ptr = strstr(path, "//")) {
len = strlen(ptr + 1);
(void) memmove(ptr, ptr + 1, len + 1);
continue;
}
/* change substring "/./" into "/" */
if (ptr = strstr(path, "/./")) {
len = strlen(ptr + 2);
(void) memmove(ptr, ptr + 2, len + 1);
continue;
}
/* change substring "/<foo>/../" into "/" */
if (ptr = strstr(path, "/../")) {
len = strlen(ptr + 3);
*ptr = '\0';
ptr2 = strrchr(path, (int)'/');
if (ptr2 == NULL) {
/* path had a leading "/../" */
ptr2 = path;
}
(void) memmove(ptr2, ptr + 3, len + 1);
continue;
}
/* change trailing "/<foo>/.." into "/" */
if ((len >= 3) &&
(path[len - 3] == '/') &&
(path[len - 2] == '.') &&
(path[len - 1] == '.')) {
path[len - 3] = '\0';
ptr2 = strrchr(path, (int)'/');
if (ptr2 != NULL) {
ptr2[1] = '\0';
} else {
/* path was "/.." */
path[0] = '/';
path[1] = '\0';
}
continue;
}
/* change trailing "/." into "/" */
if ((len >= 2) &&
(path[len - 2] == '/') &&
(path[len - 1] == '.')) {
path[len - 1] = '\0';
continue;
}
/* remove trailing "/" unless it's the root */
if ((len > 1) && (path[len - 1] == '/')) {
path[len - 1] = '\0';
continue;
}
break;
}
}
/*
* debug version has two more flags:
* -L force load driver
* -M: print per driver list
*/
#ifdef DEBUG
static const char *optstring = "abcdDvVxpPFf:M:dLuC";
#else
static const char *optstring = "abcdDvVxpPFf:uC";
#endif /* DEBUG */
int
main(int argc, char *argv[])
{
long pagesize, npages;
int c, ret;
char hw_provider[SYS_NMLN];
setprogname(argv[0]);
opts.o_promdev = "/dev/openprom";
while ((c = getopt(argc, argv, optstring)) != -1) {
switch (c) {
case 'a':
++opts.o_ancestors;
break;
case 'b':
++opts.o_productinfo;
break;
case 'c':
++opts.o_children;
break;
case 'd':
++opts.o_pciid;
break;
case 'D':
++opts.o_drv_name;
break;
case 'v':
++opts.o_verbose;
break;
case 'p':
++opts.o_prominfo;
break;
case 'f':
opts.o_promdev = optarg;
break;
case 'V':
++opts.o_promversion;
break;
case 'x':
++opts.o_prom_ready64;
break;
case 'F':
++opts.o_fbname;
++opts.o_noheader;
break;
case 'P':
++opts.o_pseudodevs;
break;
case 'C':
++opts.o_forcecache;
break;
#ifdef DEBUG
case 'M':
dbg.d_drivername = optarg;
++dbg.d_bydriver;
break;
case 'L':
++dbg.d_forceload;
break;
#endif /* DEBUG */
default:
(void) fprintf(stderr, usage, opts.o_progname);
return (1);
}
}
(void) uname(&opts.o_uts);
if (opts.o_fbname)
return (do_fbname());
if (opts.o_promversion)
return (do_promversion());
if (opts.o_prom_ready64)
return (do_prom_version64());
if (opts.o_productinfo)
return (do_productinfo());
opts.o_devices_path = NULL;
opts.o_devt = DDI_DEV_T_NONE;
opts.o_target = 0;
if (optind < argc) {
struct stat sinfo;
char *path = argv[optind];
int error;
if (opts.o_prominfo) {
/* PROM tree cannot be used with path */
(void) fprintf(stderr, "%s: path and -p option are "
"mutually exclusive\n", opts.o_progname);
return (1);
}
if (strlen(path) >= MAXPATHLEN) {
(void) fprintf(stderr, "%s: "
"path specified is too long\n", opts.o_progname);
return (1);
}
if (error = stat(path, &sinfo)) {
/* an invalid path was specified */
(void) fprintf(stderr, "%s: invalid path specified\n",
opts.o_progname);
return (1);
} else if (((sinfo.st_mode & S_IFMT) == S_IFCHR) ||
((sinfo.st_mode & S_IFMT) == S_IFBLK)) {
opts.o_devt = sinfo.st_rdev;
error = 0;
} else if ((sinfo.st_mode & S_IFMT) == S_IFDIR) {
size_t len, plen;
/* clean up the path */
cleanup_path(path, new_path);
len = strlen(new_path);
plen = strlen("/devices");
if (len < plen) {
/* This is not a valid /devices path */
error = 1;
} else if ((len == plen) &&
(strcmp(new_path, "/devices") == 0)) {
/* /devices is the root nexus */
opts.o_devices_path = "/";
error = 0;
} else if (strncmp(new_path, "/devices/", plen + 1)) {
/* This is not a valid /devices path */
error = 1;
} else {
/* a /devices/ path was specified */
opts.o_devices_path = new_path + plen;
error = 0;
}
} else {
/* an invalid device path was specified */
error = 1;
}
if (error) {
(void) fprintf(stderr, "%s: "
"invalid device path specified\n",
opts.o_progname);
return (1);
}
opts.o_target = 1;
}
if ((opts.o_ancestors || opts.o_children) && (!opts.o_target)) {
(void) fprintf(stderr, "%s: options require a device path\n",
opts.o_progname);
return (1);
}
if (opts.o_target) {
prtconf_devinfo();
return (0);
}
ret = sysinfo(SI_HW_PROVIDER, hw_provider, sizeof (hw_provider));
/*
* If 0 bytes are returned (the system returns '1', for the \0),
* we're probably on x86, and there has been no si-hw-provider
* set in /etc/bootrc, so just default to Sun.
*/
if (ret <= 1) {
(void) strncpy(hw_provider, "Sun Microsystems",
sizeof (hw_provider));
} else {
/*
* Provide backward compatibility by stripping out the _.
*/
if (strcmp(hw_provider, "Sun_Microsystems") == 0)
hw_provider[3] = ' ';
}
(void) printf("System Configuration: %s %s\n", hw_provider,
opts.o_uts.machine);
pagesize = sysconf(_SC_PAGESIZE);
npages = sysconf(_SC_PHYS_PAGES);
(void) printf("Memory size: ");
if (pagesize == -1 || npages == -1)
(void) printf("unable to determine\n");
else {
const int64_t kbyte = 1024;
const int64_t mbyte = 1024 * 1024;
int64_t ii = (int64_t)pagesize * npages;
if (ii >= mbyte)
(void) printf("%ld Megabytes\n",
(long)((ii+mbyte-1) / mbyte));
else
(void) printf("%ld Kilobytes\n",
(long)((ii+kbyte-1) / kbyte));
}
if (opts.o_prominfo) {
(void) printf("System Peripherals (PROM Nodes):\n\n");
if (do_prominfo() == 0)
return (0);
(void) fprintf(stderr, "%s: Defaulting to non-PROM mode...\n",
opts.o_progname);
}
(void) printf("System Peripherals (Software Nodes):\n\n");
(void) prtconf_devinfo();
return (0);
}