*
*/
-#undef DEBUG
+/* define this to enable parsing debugging */
+/* #define DEBUG_PARSER */
#include <stddef.h>
#include <stdlib.h>
{
switch (dev->type) {
case KERNEL_NAME:
- dbg("KERNEL name ='%s'"
+ dbg_parse("KERNEL name ='%s'"
" owner = '%s', group = '%s', mode = '%#o'",
- dev->attr.name,
- dev->attr.owner, dev->attr.group, dev->attr.mode);
+ dev->name,
+ dev->owner, dev->group, dev->mode);
break;
case LABEL:
- dbg("LABEL name = '%s', bus = '%s', sysfs_file = '%s', sysfs_value = '%s'"
+ dbg_parse("LABEL name = '%s', bus = '%s', sysfs_file = '%s', sysfs_value = '%s'"
" owner = '%s', group = '%s', mode = '%#o'",
- dev->attr.name, dev->bus, dev->sysfs_file, dev->sysfs_value,
- dev->attr.owner, dev->attr.group, dev->attr.mode);
+ dev->name, dev->bus, dev->sysfs_file, dev->sysfs_value,
+ dev->owner, dev->group, dev->mode);
break;
case NUMBER:
- dbg("NUMBER name = '%s', bus = '%s', id = '%s'"
+ dbg_parse("NUMBER name = '%s', bus = '%s', id = '%s'"
" owner = '%s', group = '%s', mode = '%#o'",
- dev->attr.name, dev->bus, dev->id,
- dev->attr.owner, dev->attr.group, dev->attr.mode);
+ dev->name, dev->bus, dev->id,
+ dev->owner, dev->group, dev->mode);
break;
case TOPOLOGY:
- dbg("TOPOLOGY name = '%s', bus = '%s', place = '%s'"
+ dbg_parse("TOPOLOGY name = '%s', bus = '%s', place = '%s'"
" owner = '%s', group = '%s', mode = '%#o'",
- dev->attr.name, dev->bus, dev->place,
- dev->attr.owner, dev->attr.group, dev->attr.mode);
+ dev->name, dev->bus, dev->place,
+ dev->owner, dev->group, dev->mode);
break;
case REPLACE:
- dbg("REPLACE name = %s, kernel_name = %s"
+ dbg_parse("REPLACE name = %s, kernel_name = %s"
" owner = '%s', group = '%s', mode = '%#o'",
- dev->attr.name, dev->kernel_name,
- dev->attr.owner, dev->attr.group, dev->attr.mode);
+ dev->name, dev->kernel_name,
+ dev->owner, dev->group, dev->mode);
break;
case CALLOUT:
- dbg("CALLOUT name = '%s', program ='%s', bus = '%s', id = '%s'"
+ dbg_parse("CALLOUT name = '%s', program ='%s', bus = '%s', id = '%s'"
" owner = '%s', group = '%s', mode = '%#o'",
- dev->attr.name, dev->exec_program, dev->bus, dev->id,
- dev->attr.owner, dev->attr.group, dev->attr.mode);
+ dev->name, dev->exec_program, dev->bus, dev->id,
+ dev->owner, dev->group, dev->mode);
break;
default:
- dbg("Unknown type of device!");
+ dbg_parse("Unknown type of device!");
}
}
struct list_head *tmp;
struct config_device *tmp_dev;
- /* loop through the whole list of devices to see if we already have
- * this one... */
+ /* update the values if we already have the device */
list_for_each(tmp, &config_device_list) {
struct config_device *dev = list_entry(tmp, struct config_device, node);
- if (strcmp(dev->attr.name, new_dev->attr.name) == 0) {
- /* the same, copy the new info into this structure */
- copy_var(dev, new_dev, type);
- copy_var(dev, new_dev, attr.mode);
- copy_string(dev, new_dev, bus);
- copy_string(dev, new_dev, sysfs_file);
- copy_string(dev, new_dev, sysfs_value);
- copy_string(dev, new_dev, id);
- copy_string(dev, new_dev, place);
- copy_string(dev, new_dev, kernel_name);
- copy_string(dev, new_dev, attr.owner);
- copy_string(dev, new_dev, attr.group);
- return 0;
+ int len = strlen(new_dev->name);
+ if (new_dev->name[len-1] == '*') {
+ len--;
+ if (strncmp(dev->name, new_dev->name, len))
+ continue;
+ } else {
+ if (strcmp(dev->name, new_dev->name))
+ continue;
}
+ /* the same, copy the new info into this structure */
+ copy_var(dev, new_dev, type);
+ copy_var(dev, new_dev, mode);
+ copy_string(dev, new_dev, bus);
+ copy_string(dev, new_dev, sysfs_file);
+ copy_string(dev, new_dev, sysfs_value);
+ copy_string(dev, new_dev, id);
+ copy_string(dev, new_dev, place);
+ copy_string(dev, new_dev, kernel_name);
+ copy_string(dev, new_dev, owner);
+ copy_string(dev, new_dev, group);
+ return 0;
}
/* not found, lets create a new structure, and add it to the list */
dump_dev(dev);
}
}
-
-static int get_value(const char *left, char **orig_string, char **ret_string)
-{
- char *temp;
- char *string = *orig_string;
-
- /* eat any whitespace */
- while (isspace(*string))
- ++string;
-
- /* split based on '=' */
- temp = strsep(&string, "=");
- if (strcasecmp(temp, left) == 0) {
- /* got it, now strip off the '"' */
- while (isspace(*string))
- ++string;
- if (*string == '"')
- ++string;
- temp = strsep(&string, "\"");
- *ret_string = temp;
- *orig_string = string;
- return 0;
- }
- return -ENODEV;
-}
static int get_pair(char **orig_string, char **left, char **right)
{
char *temp;
char *string = *orig_string;
+ if (!string)
+ return -ENODEV;
+
/* eat any whitespace */
while (isspace(*string))
++string;
/* split based on '=' */
temp = strsep(&string, "=");
*left = temp;
+ if (!string)
+ return -ENODEV;
/* take the right side and strip off the '"' */
while (isspace(*string))
++string;
if (*string == '"')
++string;
+ else
+ return -ENODEV;
+
temp = strsep(&string, "\"");
+ if (!string || *temp == '\0')
+ return -ENODEV;
*right = temp;
*orig_string = string;
return 0;
}
+static int get_value(const char *left, char **orig_string, char **ret_string)
+{
+ int retval;
+ char *left_string;
+
+ retval = get_pair(orig_string, &left_string, ret_string);
+ if (retval)
+ return retval;
+ if (strcasecmp(left_string, left) != 0)
+ return -ENODEV;
+ return 0;
+}
+
static int namedev_init_config(void)
{
- char filename[255];
char line[255];
+ int lineno;
char *temp;
char *temp2;
char *temp3;
int retval = 0;
struct config_device dev;
- strcpy(filename, NAMEDEV_CONFIG_ROOT NAMEDEV_CONFIG_FILE);
- dbg("opening %s to read as permissions config", filename);
- fd = fopen(filename, "r");
+ dbg("opening %s to read as config", udev_config_filename);
+ fd = fopen(udev_config_filename, "r");
if (fd == NULL) {
- dbg("Can't open %s", filename);
+ dbg("Can't open %s", udev_config_filename);
return -ENODEV;
}
/* loop through the whole file */
+ lineno = 0;
while (1) {
/* get a line */
temp = fgets(line, sizeof(line), fd);
if (temp == NULL)
- break;
+ goto exit;
+ lineno++;
- dbg("read %s", temp);
+ dbg_parse("read %s", temp);
/* eat the whitespace at the beginning of the line */
while (isspace(*temp))
/* BUS="bus" */
retval = get_value("BUS", &temp, &temp3);
if (retval)
- continue;
- strcpy(dev.bus, temp3);
+ break;
+ strfieldcpy(dev.bus, temp3);
/* file="value" */
temp2 = strsep(&temp, ",");
retval = get_pair(&temp, &temp2, &temp3);
if (retval)
- continue;
- strcpy(dev.sysfs_file, temp2);
- strcpy(dev.sysfs_value, temp3);
+ break;
+ strfieldcpy(dev.sysfs_file, temp2);
+ strfieldcpy(dev.sysfs_value, temp3);
/* NAME="new_name" */
temp2 = strsep(&temp, ",");
retval = get_value("NAME", &temp, &temp3);
if (retval)
- continue;
- strcpy(dev.attr.name, temp3);
+ break;
+ strfieldcpy(dev.name, temp3);
- dbg("LABEL name = '%s', bus = '%s', sysfs_file = '%s', sysfs_value = '%s'", dev.attr.name, dev.bus, dev.sysfs_file, dev.sysfs_value);
+ dbg_parse("LABEL name = '%s', bus = '%s', "
+ "sysfs_file = '%s', sysfs_value = '%s'",
+ dev.name, dev.bus, dev.sysfs_file,
+ dev.sysfs_value);
}
if (strcasecmp(temp2, TYPE_NUMBER) == 0) {
/* BUS="bus" */
retval = get_value("BUS", &temp, &temp3);
if (retval)
- continue;
- strcpy(dev.bus, temp3);
+ break;
+ strfieldcpy(dev.bus, temp3);
/* ID="id" */
temp2 = strsep(&temp, ",");
retval = get_value("id", &temp, &temp3);
if (retval)
- continue;
- strcpy(dev.id, temp3);
+ break;
+ strfieldcpy(dev.id, temp3);
/* NAME="new_name" */
temp2 = strsep(&temp, ",");
retval = get_value("NAME", &temp, &temp3);
if (retval)
- continue;
- strcpy(dev.attr.name, temp3);
+ break;
+ strfieldcpy(dev.name, temp3);
- dbg("NUMBER name = '%s', bus = '%s', id = '%s'", dev.attr.name, dev.bus, dev.id);
+ dbg_parse("NUMBER name = '%s', bus = '%s', id = '%s'",
+ dev.name, dev.bus, dev.id);
}
if (strcasecmp(temp2, TYPE_TOPOLOGY) == 0) {
/* BUS="bus" */
retval = get_value("BUS", &temp, &temp3);
if (retval)
- continue;
- strcpy(dev.bus, temp3);
+ break;
+ strfieldcpy(dev.bus, temp3);
/* PLACE="place" */
temp2 = strsep(&temp, ",");
retval = get_value("place", &temp, &temp3);
if (retval)
- continue;
- strcpy(dev.place, temp3);
+ break;
+ strfieldcpy(dev.place, temp3);
/* NAME="new_name" */
temp2 = strsep(&temp, ",");
retval = get_value("NAME", &temp, &temp3);
if (retval)
- continue;
- strcpy(dev.attr.name, temp3);
+ break;
+ strfieldcpy(dev.name, temp3);
- dbg("TOPOLOGY name = '%s', bus = '%s', place = '%s'", dev.attr.name, dev.bus, dev.place);
+ dbg_parse("TOPOLOGY name = '%s', bus = '%s', place = '%s'",
+ dev.name, dev.bus, dev.place);
}
if (strcasecmp(temp2, TYPE_REPLACE) == 0) {
/* KERNEL="kernel_name" */
retval = get_value("KERNEL", &temp, &temp3);
if (retval)
- continue;
- strcpy(dev.kernel_name, temp3);
+ break;
+ strfieldcpy(dev.kernel_name, temp3);
/* NAME="new_name" */
temp2 = strsep(&temp, ",");
retval = get_value("NAME", &temp, &temp3);
if (retval)
- continue;
- strcpy(dev.attr.name, temp3);
- dbg("REPLACE name = %s, kernel_name = %s", dev.attr.name, dev.kernel_name);
+ break;
+ strfieldcpy(dev.name, temp3);
+ dbg_parse("REPLACE name = %s, kernel_name = %s",
+ dev.name, dev.kernel_name);
}
if (strcasecmp(temp2, TYPE_CALLOUT) == 0) {
/* number type */
/* PROGRAM="executable" */
retval = get_value("PROGRAM", &temp, &temp3);
if (retval)
- continue;
- strcpy(dev.exec_program, temp3);
+ break;
+ strfieldcpy(dev.exec_program, temp3);
/* BUS="bus" */
temp2 = strsep(&temp, ",");
retval = get_value("BUS", &temp, &temp3);
if (retval)
- continue;
- strcpy(dev.bus, temp3);
+ break;
+ strfieldcpy(dev.bus, temp3);
/* ID="id" */
temp2 = strsep(&temp, ",");
retval = get_value("ID", &temp, &temp3);
if (retval)
- continue;
- strcpy(dev.id, temp3);
+ break;
+ strfieldcpy(dev.id, temp3);
/* NAME="new_name" */
temp2 = strsep(&temp, ",");
retval = get_value("NAME", &temp, &temp3);
if (retval)
- continue;
- strcpy(dev.attr.name, temp3);
- dbg("CALLOUT name = %s, program = %s", dev.attr.name, dev.exec_program);
+ break;
+ strfieldcpy(dev.name, temp3);
+ dbg_parse("CALLOUT name = %s, program = %s",
+ dev.name, dev.exec_program);
}
retval = add_dev(&dev);
goto exit;
}
}
-
+ dbg_parse("%s:%d:%Zd: error parsing ``%s''", udev_config_filename,
+ lineno, temp - line, temp);
exit:
fclose(fd);
return retval;
static int namedev_init_permissions(void)
{
- char filename[255];
char line[255];
char *temp;
char *temp2;
int retval = 0;
struct config_device dev;
- strcpy(filename, NAMEDEV_CONFIG_ROOT NAMEDEV_CONFIG_PERMISSION_FILE);
- dbg("opening %s to read as permissions config", filename);
- fd = fopen(filename, "r");
+ dbg("opening %s to read as permissions config", udev_config_permission_filename);
+ fd = fopen(udev_config_permission_filename, "r");
if (fd == NULL) {
- dbg("Can't open %s", filename);
+ dbg("Can't open %s", udev_config_permission_filename);
return -ENODEV;
}
if (temp == NULL)
break;
- dbg("read %s", temp);
+ dbg_parse("read %s", temp);
/* eat the whitespace at the beginning of the line */
while (isspace(*temp))
/* parse the line */
temp2 = strsep(&temp, ":");
- strncpy(dev.attr.name, temp2, sizeof(dev.attr.name));
+ strncpy(dev.name, temp2, sizeof(dev.name));
temp2 = strsep(&temp, ":");
- strncpy(dev.attr.owner, temp2, sizeof(dev.attr.owner));
+ strncpy(dev.owner, temp2, sizeof(dev.owner));
temp2 = strsep(&temp, ":");
- strncpy(dev.attr.group, temp2, sizeof(dev.attr.owner));
+ strncpy(dev.group, temp2, sizeof(dev.owner));
- dev.attr.mode = strtol(temp, NULL, 8);
+ dev.mode = strtol(temp, NULL, 8);
- dbg("name = %s, owner = %s, group = %s, mode = %#o", dev.attr.name, dev.attr.owner, dev.attr.group, dev.attr.mode);
+ dbg_parse("name = %s, owner = %s, group = %s, mode = %#o",
+ dev.name, dev.owner, dev.group,
+ dev.mode);
retval = add_dev(&dev);
if (retval) {
dbg("add_dev returned with error %d", retval);
return retval;
}
-static int get_default_mode(struct sysfs_class_device *class_dev)
+static mode_t get_default_mode(struct sysfs_class_device *class_dev)
{
/* just default everyone to rw for the world! */
return 0666;
retval = -1;
}
+#ifndef __KLIBC__
if (!WIFEXITED(status) || (WEXITSTATUS(status) != 0)) {
dbg("callout program status 0x%x", status);
retval = -1;
}
+#endif
}
return retval;
}
-static int get_attr(struct sysfs_class_device *class_dev, struct device_attr *attr)
+static int do_callout(struct sysfs_class_device *class_dev, struct udevice *udev)
{
+ struct config_device *dev;
struct list_head *tmp;
- int retval = 0;
- int found;
+ char value[ID_SIZE];
- attr->mode = -1;
- if (class_dev->sysdevice) {
- dbg("class_dev->sysdevice->directory->path = '%s'", class_dev->sysdevice->directory->path);
- dbg("class_dev->sysdevice->bus_id = '%s'", class_dev->sysdevice->bus_id);
- } else {
- dbg("class_dev->name = '%s'", class_dev->name);
+ list_for_each(tmp, &config_device_list) {
+ dev = list_entry(tmp, struct config_device, node);
+ if (dev->type != CALLOUT)
+ continue;
+
+ if (exec_callout(dev, value, sizeof(value)))
+ continue;
+ if (strncmp(value, dev->id, sizeof(value)) != 0)
+ continue;
+ strfieldcpy(udev->name, dev->name);
+ if (dev->mode != 0) {
+ udev->mode = dev->mode;
+ strfieldcpy(udev->owner, dev->owner);
+ strfieldcpy(udev->group, dev->group);
+ }
+ dbg_parse("device callout '%s' becomes '%s' - owner = %s, group = %s, mode = %#o",
+ dev->id, udev->name,
+ dev->owner, dev->group, dev->mode);
+ return 0;
}
+ return -ENODEV;
+}
+
+static int do_label(struct sysfs_class_device *class_dev, struct udevice *udev, struct sysfs_device *sysfs_device)
+{
+ struct sysfs_attribute *tmpattr = NULL;
+ struct config_device *dev;
+ struct list_head *tmp;
+
list_for_each(tmp, &config_device_list) {
- struct config_device *dev = list_entry(tmp, struct config_device, node);
- switch (dev->type) {
- case LABEL:
- {
- char *temp;
-
- dbg("LABEL: match file '%s' with value '%s'", dev->sysfs_file, dev->sysfs_value);
- /* try to find the attribute in the class device directory */
- temp = sysfs_get_value_from_attributes(class_dev->directory->attributes, dev->sysfs_file);
- if (temp)
+ dev = list_entry(tmp, struct config_device, node);
+ if (dev->type != LABEL)
+ continue;
+
+ dbg_parse("LABEL: match file '%s' with value '%s'",
+ dev->sysfs_file, dev->sysfs_value);
+ /* try to find the attribute in the class device directory */
+ tmpattr = sysfs_get_classdev_attr(class_dev, dev->sysfs_file);
+ if (tmpattr)
+ goto label_found;
+
+ /* look in the class device directory if present */
+ if (sysfs_device) {
+ tmpattr = sysfs_get_device_attr(sysfs_device, dev->sysfs_file);
+ if (tmpattr)
goto label_found;
+ }
- /* look in the class device device directory if present */
- if (class_dev->sysdevice) {
- temp = sysfs_get_value_from_attributes(class_dev->sysdevice->directory->attributes, dev->sysfs_file);
- if (temp)
- goto label_found;
- }
+ continue;
- /* bah, let's go backwards up a level to see if the device is there,
- * as block partitions don't point to the physical device. Need to fix that
- * up in the kernel...
- */
- if (strstr(class_dev->directory->path, "block")) {
- dbg("looking at block device...");
- if (isdigit(class_dev->directory->path[strlen(class_dev->directory->path)-1])) {
- char path[SYSFS_PATH_MAX];
- struct sysfs_class_device *class_dev_parent;
-
- dbg("really is a partition...");
- strcpy(path, class_dev->directory->path);
- temp = strrchr(path, '/');
- *temp = 0x00;
- dbg("looking for a class device at '%s'", path);
- class_dev_parent = sysfs_open_class_device(path);
- if (class_dev_parent == NULL) {
- dbg ("sysfs_open_class_device failed");
- continue;
- }
- dbg("class_dev_parent->name = %s", class_dev_parent->name);
-
- /* try to find the attribute in the class device directory */
- temp = sysfs_get_value_from_attributes(class_dev_parent->directory->attributes, dev->sysfs_file);
- if (temp) {
- //sysfs_close_class_device(class_dev_parent);
- goto label_found;
- }
-
- /* look in the class device device directory if present */
- if (class_dev_parent->sysdevice) {
- temp = sysfs_get_value_from_attributes(class_dev_parent->sysdevice->directory->attributes, dev->sysfs_file);
- if (temp) {
- // sysfs_close_class_device(class_dev_parent);
- goto label_found;
- }
- }
-
- }
- }
+label_found:
+ tmpattr->value[strlen(tmpattr->value)-1] = 0x00;
+ dbg_parse("file '%s' found with value '%s' compare with '%s'", dev->sysfs_file, tmpattr->value, dev->sysfs_value);
+ if (strcmp(dev->sysfs_value, tmpattr->value) != 0)
continue;
-label_found:
- temp[strlen(temp)-1] = 0x00;
- dbg("file '%s' found with value '%s' compare with '%s'", dev->sysfs_file, temp, dev->sysfs_value);
- if (strcmp(dev->sysfs_value, temp) != 0)
- continue;
+ strfieldcpy(udev->name, dev->name);
+ if (dev->mode != 0) {
+ udev->mode = dev->mode;
+ strfieldcpy(udev->owner, dev->owner);
+ strfieldcpy(udev->group, dev->group);
+ }
+ dbg_parse("file '%s' with value '%s' becomes '%s' - owner = %s, group = %s, mode = %#o",
+ dev->sysfs_file, dev->sysfs_value, udev->name,
+ dev->owner, dev->group, dev->mode);
- strcpy(attr->name, dev->attr.name);
- if (isdigit(class_dev->directory->path[strlen(class_dev->directory->path)-1])) {
- temp[0] = class_dev->directory->path[strlen(class_dev->directory->path)-1];
- temp[1] = 0x00;
- strcat(attr->name, temp);
- }
- if (dev->attr.mode != 0) {
- attr->mode = dev->attr.mode;
- strcpy(attr->owner, dev->attr.owner);
- strcpy(attr->group, dev->attr.group);
- }
- dbg("file '%s' with value '%s' becomes '%s' - owner = %s, group = %s, mode = %#o",
- dev->sysfs_file, dev->sysfs_value, attr->name,
- dev->attr.owner, dev->attr.group, dev->attr.mode);
- goto done;
- break;
- }
- case NUMBER:
- {
- char path[SYSFS_PATH_MAX];
- char *temp;
+ return 0;
+ }
+ return -ENODEV;
+}
- found = 0;
- if (!class_dev->sysdevice)
- continue;
- strcpy(path, class_dev->sysdevice->directory->path);
+static int do_number(struct sysfs_class_device *class_dev, struct udevice *udev, struct sysfs_device *sysfs_device)
+{
+ struct config_device *dev;
+ struct list_head *tmp;
+ char path[SYSFS_PATH_MAX];
+ int found;
+ char *temp = NULL;
+
+ /* we have to have a sysfs device for NUMBER to work */
+ if (!sysfs_device)
+ return -ENODEV;
+
+ list_for_each(tmp, &config_device_list) {
+ dev = list_entry(tmp, struct config_device, node);
+ if (dev->type != NUMBER)
+ continue;
+
+ found = 0;
+ strfieldcpy(path, sysfs_device->path);
+ temp = strrchr(path, '/');
+ dbg_parse("NUMBER path = '%s'", path);
+ dbg_parse("NUMBER temp = '%s' id = '%s'", temp, dev->id);
+ if (strstr(temp, dev->id) != NULL) {
+ found = 1;
+ } else {
+ *temp = 0x00;
temp = strrchr(path, '/');
- dbg("NUMBER path = '%s'", path);
- dbg("NUMBER temp = '%s' id = '%s'", temp, dev->id);
- if (strstr(temp, dev->id) != NULL) {
+ dbg_parse("NUMBER temp = '%s' id = '%s'", temp, dev->id);
+ if (strstr(temp, dev->id) != NULL)
found = 1;
- } else {
- *temp = 0x00;
- temp = strrchr(path, '/');
- dbg("NUMBERY temp = '%s' id = '%s'", temp, dev->id);
- if (strstr(temp, dev->id) != NULL)
- found = 1;
- }
- if (!found)
- continue;
+ }
+ if (!found)
+ continue;
+ strfieldcpy(udev->name, dev->name);
+ if (dev->mode != 0) {
+ udev->mode = dev->mode;
+ strfieldcpy(udev->owner, dev->owner);
+ strfieldcpy(udev->group, dev->group);
+ }
+ dbg_parse("device id '%s' becomes '%s' - owner = %s, group = %s, mode = %#o",
+ dev->id, udev->name,
+ dev->owner, dev->group, dev->mode);
+ return 0;
+ }
+ return -ENODEV;
+}
- strcpy(attr->name, dev->attr.name);
- if (dev->attr.mode != 0) {
- attr->mode = dev->attr.mode;
- strcpy(attr->owner, dev->attr.owner);
- strcpy(attr->group, dev->attr.group);
- }
- dbg("device id '%s' becomes '%s' - owner = %s, group = %s, mode = %#o",
- dev->id, attr->name,
- dev->attr.owner, dev->attr.group, dev->attr.mode);
- goto done;
- break;
- }
- case TOPOLOGY:
- {
- char path[SYSFS_PATH_MAX];
- char *temp;
- if (!class_dev->sysdevice)
- continue;
- found = 0;
- strcpy(path, class_dev->sysdevice->directory->path);
+static int do_topology(struct sysfs_class_device *class_dev, struct udevice *udev, struct sysfs_device *sysfs_device)
+{
+ struct config_device *dev;
+ struct list_head *tmp;
+ char path[SYSFS_PATH_MAX];
+ int found;
+ char *temp = NULL;
+
+ /* we have to have a sysfs device for TOPOLOGY to work */
+ if (!sysfs_device)
+ return -ENODEV;
+
+ list_for_each(tmp, &config_device_list) {
+ dev = list_entry(tmp, struct config_device, node);
+ if (dev->type != TOPOLOGY)
+ continue;
+
+ found = 0;
+ strfieldcpy(path, sysfs_device->path);
+ temp = strrchr(path, '/');
+ dbg_parse("TOPOLOGY path = '%s'", path);
+ dbg_parse("TOPOLOGY temp = '%s' place = '%s'", temp, dev->place);
+ if (strstr(temp, dev->place) != NULL) {
+ found = 1;
+ } else {
+ *temp = 0x00;
temp = strrchr(path, '/');
- dbg("TOPOLOGY path = '%s'", path);
- dbg("TOPOLOGY temp = '%s' place = '%s'", temp, dev->place);
- if (strstr(temp, dev->place) != NULL) {
+ dbg_parse("TOPOLOGY temp = '%s' place = '%s'", temp, dev->place);
+ if (strstr(temp, dev->place) != NULL)
found = 1;
- } else {
- *temp = 0x00;
- temp = strrchr(path, '/');
- dbg("TOPOLOGY temp = '%s' place = '%s'", temp, dev->place);
- if (strstr(temp, dev->place) != NULL)
- found = 1;
- }
- if (!found)
- continue;
+ }
+ if (!found)
+ continue;
- strcpy(attr->name, dev->attr.name);
- if (dev->attr.mode != 0) {
- attr->mode = dev->attr.mode;
- strcpy(attr->owner, dev->attr.owner);
- strcpy(attr->group, dev->attr.group);
- }
- dbg("device at '%s' becomes '%s' - owner = %s, group = %s, mode = %#o",
- dev->place, attr->name,
- dev->attr.owner, dev->attr.group, dev->attr.mode);
- goto done;
- break;
- }
- case CALLOUT:
- {
- char value[ID_SIZE];
+ strfieldcpy(udev->name, dev->name);
+ if (dev->mode != 0) {
+ udev->mode = dev->mode;
+ strfieldcpy(udev->owner, dev->owner);
+ strfieldcpy(udev->group, dev->group);
+ }
+ dbg_parse("device at '%s' becomes '%s' - owner = %s, group = %s, mode = %#o",
+ dev->place, udev->name,
+ dev->owner, dev->group, dev->mode);
+
+ return 0;
+ }
+ return -ENODEV;
+}
+
+static int do_replace(struct sysfs_class_device *class_dev, struct udevice *udev)
+{
+ struct config_device *dev;
+ struct list_head *tmp;
+
+ list_for_each(tmp, &config_device_list) {
+ dev = list_entry(tmp, struct config_device, node);
+ if (dev->type != REPLACE)
+ continue;
+
+ dbg_parse("REPLACE: replace name '%s' with '%s'",
+ dev->kernel_name, dev->name);
+ if (strcmp(dev->kernel_name, class_dev->name) != 0)
+ continue;
- if (exec_callout(dev, value, sizeof(value)))
+ strfieldcpy(udev->name, dev->name);
+ if (dev->mode != 0) {
+ udev->mode = dev->mode;
+ strfieldcpy(udev->owner, dev->owner);
+ strfieldcpy(udev->group, dev->group);
+ }
+ dbg_parse("'%s' becomes '%s' - owner = %s, group = %s, mode = %#o",
+ dev->kernel_name, udev->name,
+ dev->owner, dev->group, dev->mode);
+
+ return 0;
+ }
+ return -ENODEV;
+}
+
+static void do_kernelname(struct sysfs_class_device *class_dev, struct udevice *udev)
+{
+ struct config_device *dev;
+ struct list_head *tmp;
+
+ strfieldcpy(udev->name, class_dev->name);
+ list_for_each(tmp, &config_device_list) {
+ dev = list_entry(tmp, struct config_device, node);
+ int len = strlen(dev->name);
+ if (dev->name[len-1] == '*') {
+ len--;
+ if (strncmp(dev->name, class_dev->name, len))
continue;
- if (strncmp(value, dev->id, sizeof(value)) != 0)
+ } else {
+ if (strcmp(dev->name, class_dev->name))
continue;
- strcpy(attr->name, dev->attr.name);
- if (dev->attr.mode != 0) {
- attr->mode = dev->attr.mode;
- strcpy(attr->owner, dev->attr.owner);
- strcpy(attr->group, dev->attr.group);
- }
- dbg("device callout '%s' becomes '%s' - owner = %s, group = %s, mode = %#o",
- dev->id, attr->name,
- dev->attr.owner, dev->attr.group, dev->attr.mode);
- goto done;
- break;
+ }
+ if (dev->mode != 0) {
+ dbg_parse("found permissions from config for '%s'", class_dev->name);
+ udev->mode = dev->mode;
+ strfieldcpy(udev->owner, dev->owner);
+ strfieldcpy(udev->group, dev->group);
+ }
+ }
+}
+
+static int get_attr(struct sysfs_class_device *class_dev, struct udevice *udev)
+{
+ struct sysfs_device *sysfs_device = NULL;
+ struct sysfs_class_device *class_dev_parent = NULL;
+ int retval = 0;
+ char *temp = NULL;
+
+ udev->mode = 0;
+
+ /* find the sysfs_device for this class device */
+ /* Wouldn't it really be nice if libsysfs could do this for us? */
+ if (class_dev->sysdevice) {
+ sysfs_device = class_dev->sysdevice;
+ } else {
+ /* bah, let's go backwards up a level to see if the device is there,
+ * as block partitions don't point to the physical device. Need to fix that
+ * up in the kernel...
+ */
+ if (strstr(class_dev->path, "block")) {
+ dbg_parse("looking at block device...");
+ if (isdigit(class_dev->path[strlen(class_dev->path)-1])) {
+ char path[SYSFS_PATH_MAX];
+
+ dbg_parse("really is a partition...");
+ strfieldcpy(path, class_dev->path);
+ temp = strrchr(path, '/');
+ *temp = 0x00;
+ dbg_parse("looking for a class device at '%s'", path);
+ class_dev_parent = sysfs_open_class_device(path);
+ if (class_dev_parent == NULL) {
+ dbg("sysfs_open_class_device at '%s' failed", path);
+ } else {
+ dbg_parse("class_dev_parent->name = %s", class_dev_parent->name);
+ if (class_dev_parent->sysdevice)
+ sysfs_device = class_dev_parent->sysdevice;
+ }
}
- case REPLACE:
- if (strcmp(dev->kernel_name, class_dev->name) != 0)
- continue;
- strcpy(attr->name, dev->attr.name);
- if (dev->attr.mode != 0) {
- attr->mode = dev->attr.mode;
- strcpy(attr->owner, dev->attr.owner);
- strcpy(attr->group, dev->attr.group);
+ }
+ }
+
+ if (sysfs_device) {
+ dbg_parse("sysfs_device->path = '%s'", sysfs_device->path);
+ dbg_parse("sysfs_device->bus_id = '%s'", sysfs_device->bus_id);
+ } else {
+ dbg_parse("class_dev->name = '%s'", class_dev->name);
+ }
+
+ /* rules are looked at in priority order */
+ retval = do_callout(class_dev, udev);
+ if (retval == 0)
+ goto found;
+
+ retval = do_label(class_dev, udev, sysfs_device);
+ if (retval == 0)
+ goto found;
+
+ retval = do_number(class_dev, udev, sysfs_device);
+ if (retval == 0)
+ goto found;
+
+ retval = do_topology(class_dev, udev, sysfs_device);
+ if (retval == 0)
+ goto found;
+
+ retval = do_replace(class_dev, udev);
+ if (retval == 0)
+ goto found;
+
+ do_kernelname(class_dev, udev);
+ goto done;
+
+found:
+ /* substitute placeholder in NAME */
+ while (1) {
+ char *pos = strchr(udev->name, '%');
+ char *dig;
+ char name[NAME_SIZE];
+ if (pos) {
+ strfieldcpy(name, pos+2);
+ *pos = 0x00;
+ switch (pos[1]) {
+ case 'b':
+ if (!sysfs_device)
+ break;
+ strcat(udev->name, sysfs_device->bus_id);
+ dbg("bus_id appended: %s",
+ sysfs_device->bus_id);
+ break;
+ case 'n':
+ dig = class_dev->name + strlen(class_dev->name);
+ while (isdigit(*(dig-1)))
+ dig--;
+ strcat(udev->name, dig);
+ dbg("kernel number appended: %s", dig);
+ break;
+ case 'm':
+ sprintf(pos, "%u", udev->minor);
+ dbg("minor number appended: %u", udev->minor);
+ break;
+ case 'M':
+ sprintf(pos, "%u", udev->major);
+ dbg("major number appended: %u", udev->major);
+ break;
+ default:
+ dbg("unknown substitution type: %%%c", pos[1]);
+ break;
}
- dbg("'%s' becomes '%s' - owner = %s, group = %s, mode = %#o",
- dev->kernel_name, attr->name,
- dev->attr.owner, dev->attr.group, dev->attr.mode);
- goto done;
- break;
- case KERNEL_NAME:
- break;
- default:
- dbg("Unknown type of device '%d'", dev->type);
+ strcat(udev->name, name);
+ } else
break;
- }
}
- strcpy(attr->name, class_dev->name);
-
+
done:
- if (attr->mode == -1) {
- attr->mode = get_default_mode(class_dev);
- attr->owner[0] = 0x00;
- attr->group[0] = 0x00;
+ /* mode was never set above */
+ if (!udev->mode) {
+ udev->mode = get_default_mode(class_dev);
+ udev->owner[0] = 0x00;
+ udev->group[0] = 0x00;
}
- return retval;
+
+ if (class_dev_parent)
+ sysfs_close_class_device(class_dev_parent);
+
+ return 0;
}
-int namedev_name_device(struct sysfs_class_device *class_dev, struct device_attr *attr)
+int namedev_name_device(struct sysfs_class_device *class_dev, struct udevice *dev)
{
int retval;
- retval = get_attr(class_dev, attr);
+ retval = get_attr(class_dev, dev);
if (retval)
dbg("get_attr failed");
~ianmdlvl / elogind.git / blobdiff