diff options
Diffstat (limited to 'cmd/lsbus.c')
| -rw-r--r-- | cmd/lsbus.c | 492 |
1 files changed, 0 insertions, 492 deletions
diff --git a/cmd/lsbus.c b/cmd/lsbus.c deleted file mode 100644 index bd4676f..0000000 --- a/cmd/lsbus.c +++ /dev/null @@ -1,492 +0,0 @@ -/* - * lsbus.c - * - * Utility to list bus devices - * - * Copyright (C) 2003 International Business Machines, Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation version 2 of the License. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - * - */ -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> -#include <string.h> -#include <mntent.h> -#include <dirent.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <errno.h> -#include <ctype.h> - -#include "libsysfs.h" - -/* Command Options */ -static int show_options = 0; /* bitmask of show options */ -static char *attr_to_show = NULL; /* print value for this attribute */ -static char *bus_device = NULL; /* print only this bus device */ - -#define SHOW_ATTRIBUTES 0x01 /* show attributes command option */ -#define SHOW_ATTRIBUTE_VALUE 0x02 /* show an attribute value option */ -#define SHOW_DEVICES 0x04 /* show only devices option */ -#define SHOW_DRIVERS 0x08 /* show only drivers option */ -#define SHOW_ALL_ATTRIB_VALUES 0x10 /* show all attributes with values */ - -#define SHOW_ALL 0xff - -static char cmd_options[] = "aA:dDhv"; - -/* - * binary_files - defines existing sysfs binary files that should be printed - * in hex. - */ -static char *binary_files[] = { - "config", - "data" -}; - -static int binfiles = 2; - -/** - * usage: prints utility usage. - */ -void usage(void) -{ - fprintf(stdout, "Usage: lsbus [<options> bus [device]]\n"); - fprintf(stdout, "\t-a\t\t\tShow attributes\n"); - fprintf(stdout, "\t-d\t\t\tShow only devices\n"); - fprintf(stdout, "\t-h\t\t\tShow usage\n"); - fprintf(stdout, "\t-v\t\t\tShow all attributes with values\n"); - fprintf(stdout, "\t-A <attribute_name>\tShow attribute value\n"); - fprintf(stdout, "\t-D\t\t\tShow only drivers\n"); -} - -/** - * remove_end_newline: removes newline on the end of an attribute value - * @value: string to remove newline from - */ -void remove_end_newline(char *value) -{ - char *p = value + (strlen(value) - 1); - - if (p != NULL && *p == '\n') - *p = '\0'; -} - -/** - * print_device_children: prints out device subdirs. - * @sdir: print this directory's subdirectories/children. - */ -void print_device_children(struct sysfs_directory *sdir) -{ - if (sdir != NULL) { - fprintf(stdout, "\tChildren:\n"); - if (sdir->subdirs != NULL) { - char dirname[SYSFS_NAME_LEN]; - struct sysfs_directory *cur = sdir->subdirs; - - while (cur != NULL) { - if ((sysfs_get_name_from_path(cur->path, - dirname, SYSFS_NAME_LEN)) == 0) - fprintf(stdout, "\t\t%s\n", dirname); - else - fprintf(stdout, "\t\t%s\n", cur->path); - cur = cur->next; - } - } - if (sdir->links != NULL) { - struct sysfs_link *curl = sdir->links; - - while(curl != NULL) { - fprintf(stdout, "\t\t%s\n", curl->name); - curl = curl->next; - } - } - } -} - -/** - * isbinaryvalue: checks to see if attribute is binary or not. - * @attr: attribute to check. - * returns 1 if binary or 0 if not. - */ -int isbinaryvalue(struct sysfs_attribute *attr) -{ - char attrname[SYSFS_NAME_LEN]; - int i; - - if (attr == NULL || attr->value == NULL) - return 0; - if ((sysfs_get_name_from_path(attr->path, attrname, SYSFS_NAME_LEN)) - != 0) - return 0; - - for (i = 0; i < binfiles; i++) - if ((strcmp(attrname, binary_files[i])) == 0) - return 1; - - return 0; -} - -/** - * print_attribute_value: prints out single attribute value. - * @attr: attricute to print. - */ -void print_attribute_value(struct sysfs_attribute *attr) -{ - if (attr == NULL) - return; - - if (attr->method & SYSFS_METHOD_SHOW) { - if (isbinaryvalue(attr) != 0) { - int i; - fprintf(stdout, "\t: "); - for (i = 0; i < attr->len; i++) { - if (!(i %16)) { - fprintf(stdout, "\n\t\t\t"); - } else if (!(i %8)) - fprintf(stdout, " "); - fprintf(stdout, "%02x ", - (unsigned char)attr->value[i]); - } - fprintf(stdout, "\n"); - - } else if (attr->value != NULL && strlen(attr->value) > 0) { - remove_end_newline(attr->value); - fprintf(stdout, "\t: %s\n", attr->value); - } else - fprintf(stdout, "\n"); - } else { - fprintf(stdout, "\t: store method only\n"); - } -} - -/** - * print_attribute: prints out a single attribute - * @attr: attribute to print. - */ -void print_attribute(struct sysfs_attribute *attr) -{ - char attrname[SYSFS_NAME_LEN]; - - if (attr == NULL) - return; - - if ((sysfs_get_name_from_path(attr->path, attrname, SYSFS_NAME_LEN)) - != 0) - return; - - if (show_options & SHOW_ALL_ATTRIB_VALUES) { - fprintf(stdout, "\t\t%s", attrname); - print_attribute_value(attr); - - } else if ((show_options & SHOW_ATTRIBUTES) || ((show_options - & SHOW_ATTRIBUTE_VALUE) && (strcmp(attrname, attr_to_show) - == 0))) { - fprintf (stdout, "\t\t%s", attrname); - if (show_options & SHOW_ATTRIBUTE_VALUE && attr->value != NULL - && (strcmp(attrname, attr_to_show)) == 0) { - print_attribute_value(attr); - } else { - fprintf(stdout, "\n"); - } - } -} - -/** - * print_device_attributes: prints out device attributes. - * @sdir: print this directory's attributes/files. - */ -void print_device_attributes(struct sysfs_directory *sdir) -{ - if (sdir != NULL && sdir->attributes != NULL) { - struct sysfs_attribute *cur = sdir->attributes; - - fprintf (stdout, "\tAttributes:\n"); - while (cur != NULL) { - print_attribute(cur); - cur = cur->next; - } - } -} - -/** - * print_device: prints out device information. - * @device: device to print. - */ -void print_device(struct sysfs_device *device) -{ - if (device != NULL && device->directory != NULL) { - fprintf (stdout, " %s %s\n", device->bus_id, device->name); - if (device->directory->subdirs != NULL - || device->directory->links != NULL) - print_device_children(device->directory); - if (device->directory->attributes != NULL && (show_options - & (SHOW_ATTRIBUTES | SHOW_ATTRIBUTE_VALUE - | SHOW_ALL_ATTRIB_VALUES))) - print_device_attributes(device->directory); - if (device->driver != NULL) - fprintf (stdout, "\tDriver: %s\n", - device->driver->name); - } -} - -/** - * print_driver_attributes: prints out driver attributes . - * @driver: print this driver's attributes. - */ -void print_driver_attributes(struct sysfs_driver *driver) -{ - if (driver != NULL && driver->directory != NULL) { - struct sysfs_directory *sdir = driver->directory; - - if (sdir->attributes != NULL) { - struct sysfs_attribute *cur = sdir->attributes; - - fprintf (stdout, "\t%s Attributes:\n", driver->name); - while (cur != NULL) { - print_attribute(cur); - cur = cur->next; - } - } - } -} - -/** - * print_driver_devices: prints out devices under driver. - * @driver: print devices bound to this driver. - */ -void print_driver_devices(struct sysfs_driver *driver) -{ - if (driver != NULL && driver->directory != NULL) { - struct sysfs_directory *sdir = driver->directory; - - if (sdir->links != NULL) { - struct sysfs_link *cur = sdir->links; - - fprintf (stdout, "\tDevices:\n"); - while (cur != NULL) { - fprintf(stdout, "\t\t%s\n", cur->name); - cur = cur->next; - } - } - } -} - -/** - * print_driver: prints out driver information. - * @driver: driver to print. - */ -void print_driver(struct sysfs_driver *driver) -{ - struct sysfs_directory *sdir = NULL; - - if (driver != NULL) { - fprintf (stdout, " %s\n", driver->name); - sdir = driver->directory; - if (sdir != NULL) { - if (sdir->links != NULL) - print_driver_devices(driver); - if(sdir->attributes != NULL && (show_options - & (SHOW_ATTRIBUTES | SHOW_ATTRIBUTE_VALUE - | SHOW_ALL_ATTRIB_VALUES))) - print_driver_attributes(driver); - } - } -} - -/** - * print_default_bus: prints out everything on a bus. - * @busname: bus to print. - * returns 0 with success or 1 with error. - */ -int print_sysfs_bus(char *busname) -{ - struct sysfs_bus *bus = NULL; - struct sysfs_device *curdev = NULL; - struct sysfs_driver *curdrv = NULL; - - if (busname == NULL) { - errno = EINVAL; - return 1; - } - bus = sysfs_open_bus(busname); - if (bus == NULL) { - fprintf(stderr, "Error opening bus %s\n", busname); - return 1; - } - - fprintf(stdout, "Bus: %s\n", busname); - if (bus->devices != NULL && (show_options & SHOW_DEVICES)) { - curdev = bus->devices; - if (bus_device == NULL) - fprintf(stdout, "Devices:\n"); - while (curdev != NULL) { - if (bus_device == NULL || (strcmp(bus_device, - curdev->bus_id) == 0)) - print_device(curdev); - curdev = curdev->next; - } - } - if (bus->drivers != NULL && (show_options & SHOW_DRIVERS)) { - curdrv = bus->drivers; - fprintf(stdout, "Drivers:\n"); - while (curdrv != NULL) { - print_driver(curdrv); - curdrv = curdrv->next; - } - } - sysfs_close_bus(bus); - return 0; -} - -/** - * print_sysfs_buses: prints out supported buses. - * @buses: list of supported system buses. - * returns 0 with success or 1 with error. - */ -int print_sysfs_buses(void) -{ - struct sysfs_directory *busdir = NULL, *current = NULL; - char busname[SYSFS_NAME_LEN]; - char buspath[SYSFS_PATH_MAX]; - int ret = 0; - - /* get sysfs mount point */ - if ((sysfs_get_mnt_path(buspath, SYSFS_PATH_MAX) != 0)) { - perror("sysfs_get_mnt_path"); - fprintf(stderr, "Error getting sysfs mount path - exiting\n"); - exit(1); - } - strcat(buspath, SYSFS_BUS_DIR); - busdir = sysfs_open_directory(buspath); - if (busdir == NULL) { - fprintf(stderr, "Error opening sysfs bus directory at %s\n", - buspath); - return 1; - } - if ((sysfs_read_directory(busdir)) != 0) { - fprintf(stderr, "Error reading sysfs bus directory at %s\n", - buspath); - sysfs_close_directory(busdir); - return 1; - } - - fprintf(stdout, "Supported sysfs buses:\n"); - current = busdir->subdirs; - while (current != NULL) { - if ((sysfs_get_name_from_path(current->path, busname, - SYSFS_NAME_LEN)) != 0) { - sysfs_close_directory(busdir); - return 1; - } - fprintf(stdout, "\t%s\n", busname); - current = current->next; - } - sysfs_close_directory(busdir); - return ret; -} - -/* MAIN */ -int main(int argc, char *argv[]) -{ - char *bus_to_print = NULL; - int retval = 0; - int opt; - extern int optind; - extern char *optarg; - - while((opt = getopt(argc, argv, cmd_options)) != EOF) { - switch(opt) { - case 'a': - show_options |= SHOW_ATTRIBUTES; - break; - case 'A': - if ((strlen(optarg) + 1) > SYSFS_NAME_LEN) { - fprintf(stderr, - "Attribute name %s is too long\n", - optarg); - exit(1); - } - attr_to_show = optarg; - show_options |= SHOW_ATTRIBUTE_VALUE; - break; - case 'd': - show_options |= SHOW_DEVICES; - break; - case 'D': - show_options |= SHOW_DRIVERS; - break; - case 'h': - usage(); - exit(0); - break; - case 'v': - show_options |= SHOW_ALL_ATTRIB_VALUES; - break; - default: - usage(); - exit(1); - } - } - argc -= optind; - argv += optind; - - switch(argc) { - case 0: - break; - case 1: - /* get bus to view */ - if ((strlen(*argv)+1) < SYSFS_NAME_LEN) - bus_to_print = *argv; - else - fprintf(stderr, - "Invalid argument: busname too long\n"); - break; - case 2: - /* get bus and device to view */ - if ((strlen(argv[0])) < SYSFS_NAME_LEN && (strlen(argv[1])) - < SYSFS_NAME_LEN) { - bus_to_print = argv[0]; - bus_device = argv[1]; - show_options |= SHOW_DEVICES; - } else { - fprintf(stderr, - "Invalid argument: bus or device name too long\n"); - exit(1); - } - break; - default: - usage(); - exit(1); - } - - if (bus_to_print == NULL && (show_options & (SHOW_ATTRIBUTES - | SHOW_ATTRIBUTE_VALUE | SHOW_DEVICES | SHOW_DRIVERS - | SHOW_ALL_ATTRIB_VALUES))) { - fprintf(stderr, "Please specify a bus\n"); - usage(); - exit(1); - } - /* default is to print devices */ - if (!(show_options & (SHOW_DEVICES | SHOW_DRIVERS))) - show_options |= SHOW_DEVICES; - - if (bus_to_print != NULL) - retval = print_sysfs_bus(bus_to_print); - else - retval = print_sysfs_buses(); - - exit(retval); -} |