#include "libsysfs/sysfs/libsysfs.h"
#include "libsysfs/dlist.h"
#include "udev.h"
-#include "udev_lib.h"
+#include "udev_utils.h"
#include "udev_version.h"
+#include "udev_db.h"
#include "logging.h"
-#include "udevdb.h"
-# define SYSFS_VALUE_MAX 200
-
-char **main_argv;
-int main_argc;
+#define SYSFS_VALUE_SIZE 256
#ifdef LOG
-unsigned char logname[LOGNAME_SIZE];
void log_message (int level, const char *format, ...)
{
va_list args;
struct dlist *attributes;
struct sysfs_attribute *attr;
struct sysfs_directory *sysfs_dir;
- char value[SYSFS_VALUE_MAX];
+ char value[SYSFS_VALUE_SIZE];
int len;
int retval = 0;
return retval;
}
-/* callback for database dump */
-static int print_record(char *path, struct udevice *dev)
+static int print_record(struct udevice *udev)
{
- printf("P: %s\n", path);
- printf("N: %s\n", dev->name);
- printf("M: %#o\n", dev->mode);
- printf("S: %s\n", dev->symlink);
- printf("O: %s\n", dev->owner);
- printf("G: %s\n", dev->group);
- printf("F: %s\n", dev->config_file);
- printf("L: %i\n", dev->config_line);
- printf("T: %li\n", dev->config_time);
+ printf("P: %s\n", udev->devpath);
+ printf("N: %s\n", udev->name);
+ printf("S: %s\n", udev->symlink);
printf("\n");
return 0;
}
NAME,
PATH,
SYMLINK,
- MODE,
- OWNER,
- GROUP,
ALL
};
return -1;
}
- /* read the 'dev' file for major/minor*/
- attr = sysfs_get_classdev_attr(class_dev, "dev");
- if (attr == NULL) {
- printf("couldn't get the \"dev\" file\n");
- retval = -1;
- goto exit;
- }
-
printf("\nudevinfo starts with the device the node belongs to and then walks up the\n"
"device chain, to print for every device found, all possibly useful attributes\n"
"in the udev key format.\n"
"Only attributes within one device section may be used together in one rule,\n"
"to match the device for which the node will be created.\n"
"\n");
- printf("device '%s' has major:minor %s", class_dev->path, attr->value);
- sysfs_close_attribute(attr);
+
+ /* look for the 'dev' file */
+ attr = sysfs_get_classdev_attr(class_dev, "dev");
+ if (attr != NULL)
+ printf("device '%s' has major:minor %s", class_dev->path, attr->value);
/* open sysfs class device directory and print all attributes */
printf(" looking at class device '%s':\n", class_dev->path);
+ printf(" SUBSYSTEM=\"%s\"\n", class_dev->classname);
if (print_all_attributes(class_dev->path) != 0) {
printf("couldn't open class device directory\n");
retval = -1;
/* get the device link (if parent exists look here) */
class_dev_parent = sysfs_get_classdev_parent(class_dev);
- if (class_dev_parent != NULL) {
- //sysfs_close_class_device(class_dev);
- class_dev = class_dev_parent;
- }
- sysfs_dev = sysfs_get_classdev_device(class_dev);
+ if (class_dev_parent != NULL)
+ sysfs_dev = sysfs_get_classdev_device(class_dev_parent);
+ else
+ sysfs_dev = sysfs_get_classdev_device(class_dev);
+
if (sysfs_dev != NULL)
printf("follow the class device's \"device\"\n");
printf(" looking at the device chain at '%s':\n", sysfs_dev->path);
printf(" BUS=\"%s\"\n", sysfs_dev->bus);
printf(" ID=\"%s\"\n", sysfs_dev->bus_id);
+ printf(" DRIVER=\"%s\"\n", sysfs_dev->driver_name);
/* open sysfs device directory and print all attributes */
print_all_attributes(sysfs_dev->path);
if (sysfs_dev_parent == NULL)
break;
- //sysfs_close_device(sysfs_dev);
sysfs_dev = sysfs_dev_parent;
}
- sysfs_close_device(sysfs_dev);
exit:
- //sysfs_close_class_device(class_dev);
+ sysfs_close_class_device(class_dev);
return retval;
}
-static int process_options(void)
+/* print all class/main block devices with major/minor, physical device, driver and bus */
+static int print_sysfs_devices(void)
+{
+ struct dlist *subsyslist;
+ char *class;
+
+ subsyslist = sysfs_open_subsystem_list("class");
+ if (!subsyslist)
+ return -1;
+
+ dlist_for_each_data(subsyslist, class, char) {
+ struct sysfs_class *cls;
+ struct dlist *class_devices;
+ struct sysfs_class_device *class_dev;
+ struct sysfs_device *phys_dev;
+ unsigned int major, minor;
+
+ cls = sysfs_open_class(class);
+ if (!cls)
+ continue;
+
+ class_devices = sysfs_get_class_devices(cls);
+ if (!class_devices)
+ continue;
+
+ dlist_for_each_data(class_devices, class_dev, struct sysfs_class_device) {
+ struct sysfs_attribute *attr;
+
+ printf("\n");
+ printf("DEVPATH '%s'\n", class_dev->path);
+ printf("SUBSYSTEM '%s'\n", class_dev->classname);
+
+ attr = sysfs_get_classdev_attr(class_dev, "dev");
+ if (attr) {
+ sscanf(attr->value, "%u:%u", &major, &minor);
+ printf("MAJOR %u\n", major);
+ printf("MINOR %u\n", minor);
+ }
+
+ phys_dev = sysfs_get_classdev_device(class_dev);
+ if (phys_dev) {
+ printf("PHYSDEVPATH '%s'\n", phys_dev->path);
+ if (phys_dev->bus[0] != '\0')
+ printf("PHYSDEVBUS '%s'\n", phys_dev->bus);
+
+ if (phys_dev->driver_name[0] != '\0')
+ printf("PHYSDEVDRIVER '%s'\n", phys_dev->driver_name);
+ }
+ }
+ sysfs_close_class(cls);
+ }
+ sysfs_close_list(subsyslist);
+
+ return 0;
+}
+
+static int process_options(int argc, char *argv[])
{
- static const char short_options[] = "adn:p:q:rVh";
+ static const char short_options[] = "an:p:q:rsVh";
int option;
int retval = 1;
- struct udevice dev;
+ struct udevice udev;
int root = 0;
int attributes = 0;
enum query_type query = NONE;
- char result[NAME_SIZE] = "";
+ char result[1024] = "";
char path[NAME_SIZE] = "";
char name[NAME_SIZE] = "";
char temp[NAME_SIZE];
/* get command line options */
while (1) {
- option = getopt(main_argc, main_argv, short_options);
+ option = getopt(argc, argv, short_options);
if (option == -1)
break;
break;
}
- if (strcmp(optarg, "mode") == 0) {
- query = MODE;
- break;
- }
-
- if (strcmp(optarg, "owner") == 0) {
- query = OWNER;
- break;
- }
-
- if (strcmp(optarg, "group") == 0) {
- query = GROUP;
- break;
- }
-
if (strcmp(optarg, "path") == 0) {
query = PATH;
break;
root = 1;
break;
+ case 's':
+ print_sysfs_devices();
+ exit(0);
+
case 'a':
attributes = 1;
break;
- case 'd':
- retval = udevdb_open_ro();
- if (retval != 0) {
- printf("unable to open udev database\n");
- exit(2);
- }
- udevdb_call_foreach(print_record);
- udevdb_exit();
- exit(0);
-
case 'V':
printf("udevinfo, version %s\n", UDEV_VERSION);
exit(0);
/* process options */
if (query != NONE) {
- retval = udevdb_open_ro();
- if (retval != 0) {
- printf("unable to open udev database\n");
- return -EACCES;
- }
-
if (path[0] != '\0') {
/* remove sysfs_path if given */
if (strncmp(path, sysfs_path, strlen(sysfs_path)) == 0) {
pos = path;
}
}
- retval = udevdb_get_dev(pos, &dev);
+ memset(&udev, 0x00, sizeof(struct udevice));
+ strfieldcpy(udev.devpath, pos);
+ retval = udev_db_get_device(&udev);
if (retval != 0) {
printf("device not found in database\n");
goto exit;
if (name[0] != '\0') {
/* remove udev_root if given */
- if (strncmp(name, udev_root, strlen(udev_root)) == 0) {
- pos = name + strlen(udev_root);
+ int len = strlen(udev_root);
+
+ if (strncmp(name, udev_root, len) == 0) {
+ pos = &name[len+1];
} else
pos = name;
- retval = udevdb_get_dev_byname(pos, path, &dev);
+
+ memset(&udev, 0x00, sizeof(struct udevice));
+ strfieldcpy(udev.name, pos);
+ retval = udev_db_get_device_byname(&udev, pos);
if (retval != 0) {
printf("device not found in database\n");
goto exit;
}
+
goto print;
}
print:
switch(query) {
case NAME:
- if (root)
- strfieldcpy(result, udev_root);
- strfieldcat(result, dev.name);
+ if (root) {
+ snprintf(result, NAME_SIZE-1, "%s/%s", udev_root, udev.name);
+ result[NAME_SIZE-1] = '\0';
+ } else {
+ strfieldcpy(result, udev.name);
+ }
break;
case SYMLINK:
- strfieldcpy(result, dev.symlink);
- break;
-
- case MODE:
- sprintf(result, "%#o", dev.mode);
- break;
-
- case GROUP:
- strfieldcpy(result, dev.group);
- break;
-
- case OWNER:
- strfieldcpy(result, dev.owner);
+ if (root) {
+ int slen;
+ char *spos;
+ char slink[NAME_SIZE];
+
+ pos = result;
+ foreach_strpart(udev.symlink, " \n\r", spos, slen) {
+ strncpy(slink, spos, slen);
+ slink[slen] = '\0';
+ pos += sprintf(pos, "%s/%s ", udev_root, slink);
+ }
+ } else {
+ strfieldcpy(result, udev.symlink);
+ }
break;
case PATH:
- strfieldcpy(result, path);
+ strfieldcpy(result, udev.devpath);
break;
case ALL:
- print_record(path, &dev);
+ print_record(&udev);
goto exit;
default:
printf("%s\n", result);
exit:
- udevdb_exit();
return retval;
}
}
help:
- printf("Usage: [-anpqrdVh]\n"
+ printf("Usage: udevinfo [-anpqrVh]\n"
" -q TYPE query database for the specified value:\n"
" 'name' name of device node\n"
" 'symlink' pointing to node\n"
- " 'mode' permissions of node\n"
- " 'owner' of node\n"
- " 'group' of node\n"
" 'path' sysfs device path\n"
" 'all' all values\n"
"\n"
"\n"
" -r print udev root\n"
" -a print all SYSFS_attributes along the device chain\n"
- " -d dump whole database\n"
+ " -s print all sysfs devices with major/minor, physical device and bus\n"
" -V print udev version\n"
" -h print this help text\n"
"\n");
int main(int argc, char *argv[], char *envp[])
{
- int retval;
-
- main_argv = argv;
- main_argc = argc;
+ int rc = 0;
- init_logging("udevinfo");
+ logging_init("udevinfo");
/* initialize our configuration */
udev_init_config();
- retval = process_options();
- if (retval != 0)
- exit(1);
- exit(0);
+ rc = process_options(argc, argv);
+
+ logging_close();
+ exit(rc);
}
~ianmdlvl / elogind.git / blobdiff