* Userspace devfs
*
* Copyright (C) 2003 Greg Kroah-Hartman <greg@kroah.com>
+ * Copyright (C) 2003-2005 Kay Sievers <kay.sievers@vrfy.org>
*
*
* This program is free software; you can redistribute it and/or modify it
dbg("substitute kernel number '%s'", udev->kernel_number);
break;
case 'm':
- strintcatmax(string, udev->minor, maxsize);
- dbg("substitute minor number '%u'", udev->minor);
+ strintcatmax(string, minor(udev->devt), maxsize);
+ dbg("substitute minor number '%u'", minor(udev->devt));
break;
case 'M':
- strintcatmax(string, udev->major, maxsize);
- dbg("substitute major number '%u'", udev->major);
+ strintcatmax(string, major(udev->devt), maxsize);
+ dbg("substitute major number '%u'", major(udev->devt));
break;
case 'c':
if (strlen(udev->program_result) == 0)
case 'N':
if (udev->tmp_node[0] == '\0') {
dbg("create temporary device node for callout");
- snprintf(udev->tmp_node, NAME_SIZE-1, "%s/.tmp-%u-%u", udev_root, udev->major, udev->minor);
- udev_make_node(udev, udev->tmp_node, udev->major, udev->minor, 0600, 0, 0);
+ snprintf(udev->tmp_node, NAME_SIZE, "%s/.tmp-%u-%u", udev_root, major(udev->devt), minor(udev->devt));
+ udev->tmp_node[NAME_SIZE] = '\0';
+ udev_make_node(udev, udev->tmp_node, udev->devt, 0600, 0, 0);
}
strfieldcatmax(string, udev->tmp_node, maxsize);
dbg("substitute temporary device node name '%s'", udev->tmp_node);
static int match_rule(struct udevice *udev, struct config_device *dev,
struct sysfs_class_device *class_dev, struct sysfs_device *sysfs_device)
{
+ /* check for matching kernel name */
+ if (dev->kernel[0] != '\0') {
+ dbg("check for " FIELD_KERNEL " dev->kernel='%s' class_dev->name='%s'",
+ dev->kernel, class_dev->name);
+ if (strcmp_pattern(dev->kernel, class_dev->name) != 0) {
+ dbg(FIELD_KERNEL " is not matching");
+ goto exit;
+ }
+ dbg(FIELD_KERNEL " matches");
+ }
+
+ /* check for matching subsystem */
+ if (dev->subsystem[0] != '\0') {
+ dbg("check for " FIELD_SUBSYSTEM " dev->subsystem='%s' class_dev->name='%s'",
+ dev->subsystem, class_dev->name);
+ if (strcmp_pattern(dev->subsystem, udev->subsystem) != 0) {
+ dbg(FIELD_SUBSYSTEM " is not matching");
+ goto exit;
+ }
+ dbg(FIELD_SUBSYSTEM " matches");
+ }
+
+ /* walk up the chain of physical devices and find a match */
while (1) {
+ /* check for matching driver */
+ if (dev->driver[0] != '\0') {
+ dbg("check for " FIELD_DRIVER " dev->driver='%s' sysfs_device->driver_name='%s'",
+ dev->driver, sysfs_device->driver_name);
+ if (strcmp_pattern(dev->driver, sysfs_device->driver_name) != 0) {
+ dbg(FIELD_DRIVER " is not matching");
+ goto try_parent;
+ }
+ dbg(FIELD_DRIVER " matches");
+ }
+
/* check for matching bus value */
if (dev->bus[0] != '\0') {
if (sysfs_device == NULL) {
if (strcmp_pattern(dev->bus, sysfs_device->bus) != 0) {
dbg(FIELD_BUS " is not matching");
goto try_parent;
- } else {
- dbg(FIELD_BUS " matches");
- }
- }
-
- /* check for matching kernel name */
- if (dev->kernel[0] != '\0') {
- dbg("check for " FIELD_KERNEL " dev->kernel='%s' class_dev->name='%s'",
- dev->kernel, class_dev->name);
- if (strcmp_pattern(dev->kernel, class_dev->name) != 0) {
- dbg(FIELD_KERNEL " is not matching");
- goto try_parent;
- } else {
- dbg(FIELD_KERNEL " matches");
- }
- }
-
- /* check for matching subsystem */
- if (dev->subsystem[0] != '\0') {
- dbg("check for " FIELD_SUBSYSTEM " dev->subsystem='%s' class_dev->name='%s'",
- dev->subsystem, class_dev->name);
- if (strcmp_pattern(dev->subsystem, udev->subsystem) != 0) {
- dbg(FIELD_SUBSYSTEM " is not matching");
- goto try_parent;
- } else {
- dbg(FIELD_SUBSYSTEM " matches");
- }
- }
-
- /* check for matching driver */
- if (dev->driver[0] != '\0') {
- dbg("check for " FIELD_DRIVER " dev->driver='%s' sysfs_device->driver_name='%s'",
- dev->driver, sysfs_device->driver_name);
- if (strcmp_pattern(dev->driver, sysfs_device->driver_name) != 0) {
- dbg(FIELD_DRIVER " is not matching");
- goto try_parent;
- } else {
- dbg(FIELD_DRIVER " matches");
}
+ dbg(FIELD_BUS " matches");
}
/* check for matching bus id */
if (match_id(dev, class_dev, sysfs_device) != 0) {
dbg(FIELD_ID " is not matching");
goto try_parent;
- } else {
- dbg(FIELD_ID " matches");
}
+ dbg(FIELD_ID " matches");
}
/* check for matching place of device */
if (match_place(dev, class_dev, sysfs_device) != 0) {
dbg(FIELD_PLACE " is not matching");
goto try_parent;
- } else {
- dbg(FIELD_PLACE " matches");
}
+ dbg(FIELD_PLACE " matches");
}
/* check for matching sysfs pairs */
if (match_sysfs_pairs(dev, class_dev, sysfs_device) != 0) {
dbg(FIELD_SYSFS " is not matching");
goto try_parent;
- } else {
- dbg(FIELD_SYSFS " matches");
- }
- }
-
- /* execute external program */
- if (dev->program[0] != '\0') {
- char program[PROGRAM_SIZE];
-
- dbg("check " FIELD_PROGRAM);
- strfieldcpy(program, dev->program);
- apply_format(udev, program, sizeof(program), class_dev, sysfs_device);
- if (execute_program(udev, program, udev->program_result, NAME_SIZE) != 0) {
- dbg(FIELD_PROGRAM " returned nonzero");
- goto try_parent;
- } else {
- dbg(FIELD_PROGRAM " returned successful");
- }
- }
-
- /* check for matching result of external program */
- if (dev->result[0] != '\0') {
- dbg("check for " FIELD_RESULT " dev->result='%s', udev->program_result='%s'",
- dev->result, udev->program_result);
- if (strcmp_pattern(dev->result, udev->program_result) != 0) {
- dbg(FIELD_RESULT " is not matching");
- goto try_parent;
- } else {
- dbg(FIELD_RESULT " matches");
}
+ dbg(FIELD_SYSFS " matches");
}
- /* Yeah, we matched! */
- return 0;
-
+ /* found matching physical device */
+ break;
try_parent:
dbg("try parent sysfs device");
sysfs_device = sysfs_get_device_parent(sysfs_device);
if (sysfs_device == NULL)
- return -ENODEV;
+ goto exit;
dbg("sysfs_device->path='%s'", sysfs_device->path);
dbg("sysfs_device->bus_id='%s'", sysfs_device->bus_id);
}
+
+ /* execute external program */
+ if (dev->program[0] != '\0') {
+ char program[PROGRAM_SIZE];
+
+ dbg("check " FIELD_PROGRAM);
+ strfieldcpy(program, dev->program);
+ apply_format(udev, program, sizeof(program), class_dev, sysfs_device);
+ if (execute_program(udev, program, udev->program_result, NAME_SIZE) != 0) {
+ dbg(FIELD_PROGRAM " returned nonzero");
+ goto try_parent;
+ }
+ dbg(FIELD_PROGRAM " returned successful");
+ }
+
+ /* check for matching result of external program */
+ if (dev->result[0] != '\0') {
+ dbg("check for " FIELD_RESULT " dev->result='%s', udev->program_result='%s'",
+ dev->result, udev->program_result);
+ if (strcmp_pattern(dev->result, udev->program_result) != 0) {
+ dbg(FIELD_RESULT " is not matching");
+ goto try_parent;
+ }
+ dbg(FIELD_RESULT " matches");
+ }
+
+ /* rule matches */
+ return 0;
+
+exit:
+ return -1;
}
int namedev_name_device(struct udevice *udev, struct sysfs_class_device *class_dev)
dbg("process rule");
if (match_rule(udev, dev, class_dev, sysfs_device) == 0) {
- /* empty name, symlink and perms will not create any node */
+ /* FIXME: remove old style ignore rule and make OPTION="ignore" mandatory */
if (dev->name[0] == '\0' && dev->symlink[0] == '\0' &&
- dev->mode == 0000 && dev->owner[0] == '\0' && dev->group[0] == '\0') {
+ dev->mode == 0000 && dev->owner[0] == '\0' && dev->group[0] == '\0' &&
+ !dev->ignore_device && !dev->partitions && !dev->ignore_remove) {
+ info("configured rule in '%s[%i]' applied, '%s' is ignored",
+ dev->config_file, dev->config_line, udev->kernel_name);
+ return -1;
+ }
+
+ /* apply options */
+ if (dev->ignore_device) {
info("configured rule in '%s[%i]' applied, '%s' is ignored",
dev->config_file, dev->config_line, udev->kernel_name);
return -1;
}
+ if (dev->ignore_remove) {
+ udev->ignore_remove = dev->ignore_remove;
+ dbg_parse("remove event should be ignored");
+ }
+ /* apply all_partitions option only at a main block device */
+ if (dev->partitions && udev->type == BLOCK && udev->kernel_number[0] == '\0') {
+ udev->partitions = dev->partitions;
+ dbg("creation of partition nodes requested");
+ }
/* apply permissions */
if (dev->mode != 0000) {
/* rule matches */
if (dev->name[0] != '\0') {
- /* apply all_partitions flag only at a main block device */
- if (dev->partitions > 0 &&
- (udev->type != 'b' || udev->kernel_number[0] != '\0'))
- continue;
-
info("configured rule in '%s[%i]' applied, '%s' becomes '%s'",
dev->config_file, dev->config_line, udev->kernel_name, dev->name);
apply_format(udev, udev->name, sizeof(udev->name), class_dev, sysfs_device);
strfieldcpy(udev->config_file, dev->config_file);
udev->config_line = dev->config_line;
- udev->ignore_remove = dev->ignore_remove;
-
- if (udev->type == 'n')
- goto exit;
-
- udev->partitions = dev->partitions;
- dbg("name, '%s' is going to have owner='%s', group='%s', mode=%#o partitions=%i",
- udev->name, udev->owner, udev->group, udev->mode, udev->partitions);
+ if (udev->type != NET)
+ dbg("name, '%s' is going to have owner='%s', group='%s', mode=%#o partitions=%i",
+ udev->name, udev->owner, udev->group, udev->mode, udev->partitions);
goto exit;
}