#include "udev.h"
#include "udev_version.h"
#include "udev_dbus.h"
+#include "logging.h"
#include "namedev.h"
#include "udevdb.h"
#include "libsysfs/libsysfs.h"
return seqnum;
}
+/* callback for database dump */
+static int print_record(char *path, struct udevice *dev)
+{
+ printf("P: %s\n", path);
+ printf("N: %s\n", dev->name);
+ printf("S: %s\n", dev->symlink);
+ printf("O: %s\n", dev->owner);
+ printf("G: %s\n", dev->group);
+ printf("\n");
+ return 0;
+}
+
enum query_type {
NONE,
NAME,
+ PATH,
SYMLINK,
OWNER,
GROUP
static inline int udev_user(int argc, char **argv)
{
- static const char short_options[] = "p:q:rVh";
+ static const char short_options[] = "dn:p:q:rVh";
int option;
int retval = -EINVAL;
struct udevice dev;
enum query_type query = NONE;
char result[NAME_SIZE] = "";
char path[NAME_SIZE] = "";
+ char name[NAME_SIZE] = "";
/* get command line options */
while (1) {
dbg("option '%c'", option);
switch (option) {
+ case 'n':
+ dbg("udev name: %s\n", optarg);
+ strfieldcpy(name, optarg);
+ break;
+
case 'p':
dbg("udev path: %s\n", optarg);
strfieldcpy(path, optarg);
break;
}
+ if (strcmp(optarg, "path") == 0) {
+ query = PATH;
+ break;
+ }
+
printf("unknown query type\n");
return -EINVAL;
root = 1;
break;
+ case 'd':
+ retval = udevdb_open_ro();
+ if (retval != 0) {
+ printf("unable to open udev database\n");
+ return -EACCES;
+ }
+ retval = udevdb_call_foreach(print_record);
+ udevdb_exit();
+ return retval;
+
case 'V':
printf("udev, version %s\n", UDEV_VERSION);
return 0;
/* process options */
if (query != NONE) {
- if (path[0] == '\0') {
- printf("query needs device path specified\n");
- return -EINVAL;
- }
-
retval = udevdb_open_ro();
if (retval != 0) {
printf("unable to open udev database\n");
return -EACCES;
}
- retval = udevdb_get_dev(path, &dev);
- if (retval == 0) {
- switch(query) {
- case NAME:
- if (root)
+
+ if (path[0] != '\0') {
+ retval = udevdb_get_dev(path, &dev);
+ if (retval != 0) {
+ printf("device not found in database\n");
+ goto exit;
+ }
+ goto print;
+ }
+
+ if (name[0] != '\0') {
+ retval = udevdb_get_dev_byname(name, path, &dev);
+ if (retval != 0) {
+ printf("device not found in database\n");
+ goto exit;
+ }
+ goto print;
+ }
+
+ printf("query needs device path(-p) or node name(-n) specified\n");
+ goto exit;
+
+print:
+ switch(query) {
+ case NAME:
+ if (root)
strfieldcpy(result, udev_root);
- strncat(result, dev.name, sizeof(result));
- break;
+ strncat(result, dev.name, sizeof(result));
+ break;
- case SYMLINK:
- strfieldcpy(result, dev.symlink);
- break;
+ case SYMLINK:
+ strfieldcpy(result, dev.symlink);
+ break;
- case GROUP:
- strfieldcpy(result, dev.group);
- break;
+ case GROUP:
+ strfieldcpy(result, dev.group);
+ break;
- case OWNER:
- strfieldcpy(result, dev.owner);
- break;
+ case OWNER:
+ strfieldcpy(result, dev.owner);
+ break;
- default:
- break;
- }
- printf("%s\n", result);
- } else {
- printf("device not found in udev database\n");
+ case PATH:
+ strfieldcpy(result, path);
+ break;
+
+ default:
+ goto exit;
}
+ printf("%s\n", result);
+
+exit:
udevdb_exit();
return retval;
}
}
help:
- printf("Usage: [-qrVh]\n"
- " -q <name> query database for the specified value\n"
- " -p <path> device path used for query\n"
- " -r print udev root\n"
- " -V print udev version\n"
- " -h print this help text\n"
+ printf("Usage: [-npqrdVh]\n"
+ " -q TYPE query database for the specified value:\n"
+ " 'name' name of device node\n"
+ " 'symlink' pointing to node\n"
+ " 'owner' of node\n"
+ " 'group' of node\n"
+ " 'path' sysfs device path\n"
+ " -p PATH sysfs device path used for query\n"
+ " -n NAME node name used for query\n"
+ "\n"
+ " -r print udev root\n"
+ " -d dump whole database\n"
+ " -V print udev version\n"
+ " -h print this help text\n"
"\n");
return retval;
}
"net",
"scsi_host",
"scsi_device",
+ "usb_host",
+ "pci_bus",
"",
};