#include <linux/module.h>
#include <linux/i2o.h>
#include <linux/delay.h>
+#include <linux/string.h>
+#include <linux/slab.h>
#include "core.h"
/**
writel(type, &msg->body[0]);
return i2o_msg_post_wait(dev->iop, m, 60);
-};
+}
/**
- * i2o_device_claim - claim a device for use by an OSM
+ * i2o_device_claim - claim a device for use by an OSM
* @dev: I2O device to claim
* @drv: I2O driver which wants to claim the device
*
up(&dev->lock);
return rc;
-};
+}
/**
* i2o_device_claim_release - release a device that the OSM is using
up(&dev->lock);
return rc;
-};
+}
+
/**
* i2o_device_release - release the memory for a I2O device
pr_debug("i2o: device %s released\n", dev->bus_id);
kfree(i2o_dev);
-};
+}
+
/**
- * i2o_device_class_release - Remove I2O device attributes
- * @cd: I2O class device which is added to the I2O device class
+ * i2o_device_class_show_class_id - Displays class id of I2O device
+ * @cd: class device of which the class id should be displayed
+ * @buf: buffer into which the class id should be printed
*
- * Removes attributes from the I2O device again. Also search each device
- * on the controller for I2O devices which refert to this device as parent
- * or user and remove this links also.
+ * Returns the number of bytes which are printed into the buffer.
*/
-static void i2o_device_class_release(struct class_device *cd)
+static ssize_t i2o_device_show_class_id(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
{
- struct i2o_device *i2o_dev, *tmp;
- struct i2o_controller *c;
+ struct i2o_device *i2o_dev = to_i2o_device(dev);
- i2o_dev = to_i2o_device(cd->dev);
- c = i2o_dev->iop;
+ sprintf(buf, "0x%03x\n", i2o_dev->lct_data.class_id);
+ return strlen(buf) + 1;
+}
- sysfs_remove_link(&i2o_dev->device.kobj, "parent");
- sysfs_remove_link(&i2o_dev->device.kobj, "user");
+/**
+ * i2o_device_class_show_tid - Displays TID of I2O device
+ * @cd: class device of which the TID should be displayed
+ * @buf: buffer into which the class id should be printed
+ *
+ * Returns the number of bytes which are printed into the buffer.
+ */
+static ssize_t i2o_device_show_tid(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct i2o_device *i2o_dev = to_i2o_device(dev);
- list_for_each_entry(tmp, &c->devices, list) {
- if (tmp->lct_data.parent_tid == i2o_dev->lct_data.tid)
- sysfs_remove_link(&tmp->device.kobj, "parent");
- if (tmp->lct_data.user_tid == i2o_dev->lct_data.tid)
- sysfs_remove_link(&tmp->device.kobj, "user");
- }
-};
+ sprintf(buf, "0x%03x\n", i2o_dev->lct_data.tid);
+ return strlen(buf) + 1;
+}
-/* I2O device class */
-static struct class i2o_device_class = {
- .name = "i2o_device",
- .release = i2o_device_class_release
+struct device_attribute i2o_device_attrs[] = {
+ __ATTR(class_id, S_IRUGO, i2o_device_show_class_id, NULL),
+ __ATTR(tid, S_IRUGO, i2o_device_show_tid, NULL),
+ __ATTR_NULL
};
/**
dev->device.bus = &i2o_bus_type;
dev->device.release = &i2o_device_release;
- dev->classdev.class = &i2o_device_class;
- dev->classdev.dev = &dev->device;
return dev;
-};
+}
+
+/**
+ * i2o_setup_sysfs_links - Adds attributes to the I2O device
+ * @cd: I2O class device which is added to the I2O device class
+ *
+ * This function get called when a I2O device is added to the class. It
+ * creates the attributes for each device and creates user/parent symlink
+ * if necessary.
+ *
+ * Returns 0 on success or negative error code on failure.
+ */
+static void i2o_setup_sysfs_links(struct i2o_device *i2o_dev)
+{
+ struct i2o_controller *c = i2o_dev->iop;
+ struct i2o_device *tmp;
+
+ /* create user entries for this device */
+ tmp = i2o_iop_find_device(i2o_dev->iop, i2o_dev->lct_data.user_tid);
+ if (tmp && tmp != i2o_dev)
+ sysfs_create_link(&i2o_dev->device.kobj,
+ &tmp->device.kobj, "user");
+
+ /* create user entries refering to this device */
+ list_for_each_entry(tmp, &c->devices, list)
+ if (tmp->lct_data.user_tid == i2o_dev->lct_data.tid &&
+ tmp != i2o_dev)
+ sysfs_create_link(&tmp->device.kobj,
+ &i2o_dev->device.kobj, "user");
+
+ /* create parent entries for this device */
+ tmp = i2o_iop_find_device(i2o_dev->iop, i2o_dev->lct_data.parent_tid);
+ if (tmp && tmp != i2o_dev)
+ sysfs_create_link(&i2o_dev->device.kobj,
+ &tmp->device.kobj, "parent");
+
+ /* create parent entries refering to this device */
+ list_for_each_entry(tmp, &c->devices, list)
+ if (tmp->lct_data.parent_tid == i2o_dev->lct_data.tid &&
+ tmp != i2o_dev)
+ sysfs_create_link(&tmp->device.kobj,
+ &i2o_dev->device.kobj, "parent");
+}
+
+static void i2o_remove_sysfs_links(struct i2o_device *i2o_dev)
+{
+ struct i2o_controller *c = i2o_dev->iop;
+ struct i2o_device *tmp;
+
+ sysfs_remove_link(&i2o_dev->device.kobj, "parent");
+ sysfs_remove_link(&i2o_dev->device.kobj, "user");
+
+ list_for_each_entry(tmp, &c->devices, list) {
+ if (tmp->lct_data.parent_tid == i2o_dev->lct_data.tid)
+ sysfs_remove_link(&tmp->device.kobj, "parent");
+ if (tmp->lct_data.user_tid == i2o_dev->lct_data.tid)
+ sysfs_remove_link(&tmp->device.kobj, "user");
+ }
+}
+
+
/**
* i2o_device_add - allocate a new I2O device and add it to the IOP
}
dev->lct_data = *entry;
+ dev->iop = c;
snprintf(dev->device.bus_id, BUS_ID_SIZE, "%d:%03x", c->unit,
dev->lct_data.tid);
- snprintf(dev->classdev.class_id, BUS_ID_SIZE, "%d:%03x", c->unit,
- dev->lct_data.tid);
-
- dev->iop = c;
dev->device.parent = &c->device;
device_register(&dev->device);
list_add_tail(&dev->list, &c->devices);
- class_device_register(&dev->classdev);
+ i2o_setup_sysfs_links(dev);
i2o_driver_notify_device_add_all(dev);
pr_debug("i2o: device %s added\n", dev->device.bus_id);
return dev;
-};
+}
/**
* i2o_device_remove - remove an I2O device from the I2O core
void i2o_device_remove(struct i2o_device *i2o_dev)
{
i2o_driver_notify_device_remove_all(i2o_dev);
- class_device_unregister(&i2o_dev->classdev);
+ i2o_remove_sysfs_links(i2o_dev);
list_del(&i2o_dev->list);
device_unregister(&i2o_dev->device);
-};
+}
/**
* i2o_device_parse_lct - Parse a previously fetched LCT and create devices
up(&c->lct_lock);
return 0;
-};
-
-/**
- * i2o_device_class_show_class_id - Displays class id of I2O device
- * @cd: class device of which the class id should be displayed
- * @buf: buffer into which the class id should be printed
- *
- * Returns the number of bytes which are printed into the buffer.
- */
-static ssize_t i2o_device_class_show_class_id(struct class_device *cd,
- char *buf)
-{
- struct i2o_device *dev = to_i2o_device(cd->dev);
-
- sprintf(buf, "0x%03x\n", dev->lct_data.class_id);
- return strlen(buf) + 1;
-};
-
-/**
- * i2o_device_class_show_tid - Displays TID of I2O device
- * @cd: class device of which the TID should be displayed
- * @buf: buffer into which the class id should be printed
- *
- * Returns the number of bytes which are printed into the buffer.
- */
-static ssize_t i2o_device_class_show_tid(struct class_device *cd, char *buf)
-{
- struct i2o_device *dev = to_i2o_device(cd->dev);
-
- sprintf(buf, "0x%03x\n", dev->lct_data.tid);
- return strlen(buf) + 1;
-};
-
-/* I2O device class attributes */
-static CLASS_DEVICE_ATTR(class_id, S_IRUGO, i2o_device_class_show_class_id,
- NULL);
-static CLASS_DEVICE_ATTR(tid, S_IRUGO, i2o_device_class_show_tid, NULL);
-
-/**
- * i2o_device_class_add - Adds attributes to the I2O device
- * @cd: I2O class device which is added to the I2O device class
- *
- * This function get called when a I2O device is added to the class. It
- * creates the attributes for each device and creates user/parent symlink
- * if necessary.
- *
- * Returns 0 on success or negative error code on failure.
- */
-static int i2o_device_class_add(struct class_device *cd)
-{
- struct i2o_device *i2o_dev, *tmp;
- struct i2o_controller *c;
-
- i2o_dev = to_i2o_device(cd->dev);
- c = i2o_dev->iop;
-
- class_device_create_file(cd, &class_device_attr_class_id);
- class_device_create_file(cd, &class_device_attr_tid);
-
- /* create user entries for this device */
- tmp = i2o_iop_find_device(i2o_dev->iop, i2o_dev->lct_data.user_tid);
- if (tmp && (tmp != i2o_dev))
- sysfs_create_link(&i2o_dev->device.kobj, &tmp->device.kobj,
- "user");
-
- /* create user entries refering to this device */
- list_for_each_entry(tmp, &c->devices, list)
- if ((tmp->lct_data.user_tid == i2o_dev->lct_data.tid)
- && (tmp != i2o_dev))
- sysfs_create_link(&tmp->device.kobj,
- &i2o_dev->device.kobj, "user");
-
- /* create parent entries for this device */
- tmp = i2o_iop_find_device(i2o_dev->iop, i2o_dev->lct_data.parent_tid);
- if (tmp && (tmp != i2o_dev))
- sysfs_create_link(&i2o_dev->device.kobj, &tmp->device.kobj,
- "parent");
-
- /* create parent entries refering to this device */
- list_for_each_entry(tmp, &c->devices, list)
- if ((tmp->lct_data.parent_tid == i2o_dev->lct_data.tid)
- && (tmp != i2o_dev))
- sysfs_create_link(&tmp->device.kobj,
- &i2o_dev->device.kobj, "parent");
-
- return 0;
-};
+}
-/* I2O device class interface */
-static struct class_interface i2o_device_class_interface = {
- .class = &i2o_device_class,
- .add = i2o_device_class_add
-};
/*
* Run time support routines
}
/*
- * if oper == I2O_PARAMS_TABLE_GET, get from all rows
- * if fieldcount == -1 return all fields
+ * if oper == I2O_PARAMS_TABLE_GET, get from all rows
+ * if fieldcount == -1 return all fields
* ibuf and ibuflen are unused (use NULL, 0)
- * else return specific fields
- * ibuf contains fieldindexes
+ * else return specific fields
+ * ibuf contains fieldindexes
*
* if oper == I2O_PARAMS_LIST_GET, get from specific rows
* if fieldcount == -1 return all fields
return size;
}
-/**
- * i2o_device_init - Initialize I2O devices
- *
- * Registers the I2O device class.
- *
- * Returns 0 on success or negative error code on failure.
- */
-int i2o_device_init(void)
-{
- int rc;
-
- rc = class_register(&i2o_device_class);
- if (rc)
- return rc;
-
- return class_interface_register(&i2o_device_class_interface);
-};
-
-/**
- * i2o_device_exit - I2O devices exit function
- *
- * Unregisters the I2O device class.
- */
-void i2o_device_exit(void)
-{
- class_interface_register(&i2o_device_class_interface);
- class_unregister(&i2o_device_class);
-};
-
EXPORT_SYMBOL(i2o_device_claim);
EXPORT_SYMBOL(i2o_device_claim_release);
EXPORT_SYMBOL(i2o_parm_field_get);
projects / powerpc.git / blobdiff