diff options
Diffstat (limited to 'cmd/lsbus.c')
| -rw-r--r-- | cmd/lsbus.c | 460 |
1 files changed, 0 insertions, 460 deletions
diff --git a/cmd/lsbus.c b/cmd/lsbus.c deleted file mode 100644 index 75d484c..0000000 --- a/cmd/lsbus.c +++ /dev/null @@ -1,460 +0,0 @@ -/* - * lsbus.c - * - * Utility to list bus devices - * - * Copyright (C) IBM Corp. 2003 - * - * 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" -#include "names.h" - -/* Command Options */ -static int show_options = 0; /* bitmask of show options */ -static unsigned char *attr_to_show = NULL; /* print value for this attribute*/ -static unsigned char *bus_device = NULL; /* print only this bus device */ -struct pci_access *pacc = NULL; -unsigned char *bus_to_print = NULL; - -#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 unsigned char cmd_options[] = "aA:dDhv"; - -/* - * binary_files - defines existing sysfs binary files that should be printed - * in hex. - */ -static unsigned char *binary_files[] = { - "config", - "data" -}; - -static int binfiles = 2; - -static unsigned int get_pciconfig_word(int offset, unsigned char *buf) -{ - unsigned short val = (unsigned char)buf[offset] | - ((unsigned char)buf[offset+1] << 8); - return val; -} - -/** - * usage: prints utility usage. - */ -static 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 - */ -static void remove_end_newline(unsigned char *value) -{ - unsigned char *p = value + (strlen(value) - 1); - - if (p != NULL && *p == '\n') - *p = '\0'; -} - -/** - * isbinaryvalue: checks to see if attribute is binary or not. - * @attr: attribute to check. - * returns 1 if binary or 0 if not. - */ -static int isbinaryvalue(struct sysfs_attribute *attr) -{ - int i; - - if (attr == NULL || attr->value == NULL) - return 0; - - for (i = 0; i < binfiles; i++) - if ((strcmp(attr->name, binary_files[i])) == 0) - return 1; - - return 0; -} - -/** - * print_attribute_value: prints out single attribute value. - * @attr: attricute to print. - */ -static 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. - */ -static void print_attribute(struct sysfs_attribute *attr) -{ - if (attr == NULL) - return; - - if (show_options & SHOW_ALL_ATTRIB_VALUES) { - fprintf(stdout, "\t\t%s", attr->name); - print_attribute_value(attr); - - } else if ((show_options & SHOW_ATTRIBUTES) || ((show_options - & SHOW_ATTRIBUTE_VALUE) && (strcmp(attr->name, attr_to_show) - == 0))) { - fprintf (stdout, "\t\t%s", attr->name); - if (show_options & SHOW_ATTRIBUTE_VALUE && attr->value != NULL - && (strcmp(attr->name, attr_to_show)) == 0) { - print_attribute_value(attr); - } else { - fprintf(stdout, "\n"); - } - } -} - -/** - * print_device_attributes: prints out device attributes. - * @sdir: print this device's attributes/files. - */ -static void print_device_attributes(struct dlist *attributes) -{ - struct sysfs_attribute *cur = NULL;; - - fprintf (stdout, "\tAttributes:\n"); - dlist_for_each_data(attributes, cur, - struct sysfs_attribute) { - print_attribute(cur); - } -} - -/** - * print_device: prints out device information. - * @device: device to print. - */ -static void print_device(struct sysfs_device *device) -{ - struct dlist *attributes = NULL; - unsigned int vendor_id, device_id; - unsigned char buf[128], path[SYSFS_PATH_MAX], value[256]; - - if (device != NULL) { - if (!(strcmp(bus_to_print, "pci"))) { - fprintf(stdout, " %s: ", device->bus_id); - memset(path, 0, SYSFS_PATH_MAX); - memset(value, 0, SYSFS_PATH_MAX); - strcpy(path, device->path); - strcat(path, "/config"); - if ((sysfs_read_attribute_value(path, - value, 256)) == 0) { - vendor_id = get_pciconfig_word - (PCI_VENDOR_ID, value); - device_id = get_pciconfig_word - (PCI_DEVICE_ID, value); - fprintf(stdout, "%s\n", - pci_lookup_name(pacc, buf, 128, - PCI_LOOKUP_VENDOR | PCI_LOOKUP_DEVICE, - vendor_id, device_id, 0, 0)); - } else - fprintf(stdout, "\n"); - } else - fprintf(stdout, " %s:\n", device->bus_id); - - if (show_options & (SHOW_ATTRIBUTES | SHOW_ATTRIBUTE_VALUE | - SHOW_ALL_ATTRIB_VALUES)) { - attributes = sysfs_get_device_attributes(device); - if (attributes != NULL) - print_device_attributes(attributes); - } - if (isalnum(device->driver_name[0])) - fprintf (stdout, "\tDriver: %s\n\n", - device->driver_name); - } -} - -/** - * print_driver_attributes: prints out driver attributes . - * @driver: print this driver's attributes. - */ -static void print_driver_attributes(struct sysfs_driver *driver) -{ - struct dlist *attributes = NULL; - - if (driver != NULL) { - attributes = sysfs_get_driver_attributes(driver); - if (attributes != NULL) { - struct sysfs_attribute *cur = NULL; - - fprintf (stdout, "\t%s Attributes:\n", driver->name); - dlist_for_each_data(attributes, cur, - struct sysfs_attribute) { - print_attribute(cur); - } - } - } -} - -/** - * print_driver: prints out driver information. - * @driver: driver to print. - */ -static void print_driver(struct sysfs_driver *driver) -{ - struct dlist *devlist = NULL; - - if (driver != NULL) { - fprintf (stdout, " %s\n", driver->name); - devlist = sysfs_get_driver_devices(driver); - if (devlist != NULL) { - struct sysfs_device *dev = NULL; - fprintf(stdout, "\tDevices:\n"); - dlist_for_each_data(devlist, dev, - struct sysfs_device) - fprintf(stdout, "\t\t%s\n", dev->bus_id); - } - if(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. - */ -static int print_sysfs_bus(unsigned char *busname) -{ - struct sysfs_bus *bus = NULL; - struct sysfs_device *curdev = NULL; - struct sysfs_driver *curdrv = NULL; - struct dlist *devlist = NULL; - struct dlist *drvlist = 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 (show_options & SHOW_DEVICES) { - devlist = sysfs_get_bus_devices(bus); - if (devlist != NULL) { - if (bus_device == NULL) - fprintf(stdout, "Devices:\n"); - dlist_for_each_data(devlist, curdev, - struct sysfs_device) { - if (bus_device == NULL || (strcmp(bus_device, - curdev->bus_id) == 0)) - print_device(curdev); - } - } - } - if (show_options & SHOW_DRIVERS) { - drvlist = sysfs_get_bus_drivers(bus); - if (drvlist != NULL) { - fprintf(stdout, "Drivers:\n"); - dlist_for_each_data(drvlist, curdrv, - struct sysfs_driver) { - print_driver(curdrv); - } - } - } - 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. - */ -static int print_sysfs_buses(void) -{ - unsigned char subsys[SYSFS_NAME_LEN]; - struct dlist *list = NULL; - unsigned char *cur = NULL; - int ret = 0; - - strcat(subsys, "/"); - strcpy(subsys, SYSFS_BUS_NAME); - list = sysfs_open_subsystem_list(subsys); - if (list != NULL) { - fprintf(stdout, "Supported sysfs buses:\n"); - dlist_for_each_data(list, cur, char) - fprintf(stdout, "\t%s\n", cur); - } - sysfs_close_list(list); - - return ret; -} - -/* MAIN */ -int main(int argc, char *argv[]) -{ - //unsigned char *bus_to_print = NULL; - int retval = 0; - int opt; - - /*pci ids*/ - unsigned char *pci_id_file = "/usr/local/share/pci.ids"; - - 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) { - if ((!(strcmp(bus_to_print, "pci"))) && - (show_options & SHOW_DEVICES)) { - pacc = (struct pci_access *)calloc(1, sizeof(struct pci_access)); - pacc->pci_id_file_name = pci_id_file; - pacc->numeric_ids = 0; - } - retval = print_sysfs_bus(bus_to_print); - } else - retval = print_sysfs_buses(); - - if (bus_to_print != NULL) { - if ((!(strcmp(bus_to_print, "pci"))) && - (show_options & SHOW_DEVICES)) { - pci_free_name_list(pacc); - free (pacc); - } - } - exit(retval); -} |