#include <linux/kernel.h>#include <linux/ide.h> char *ide_media_string(ide_drive_t *drive){	switch (drive->media) {	case ide_disk:		return "disk";	case ide_cdrom:		return "cdrom";	case ide_tape:		return "tape";	case ide_floppy:		return "floppy";	case ide_optical:		return "optical";	default:		return "UNKNOWN";	}} static ssize_t media_show(struct device *dev, struct device_attribute *attr,			  char *buf){	ide_drive_t *drive = to_ide_device(dev);	return sprintf(buf, "%s\n", ide_media_string(drive));} static ssize_t drivename_show(struct device *dev, struct device_attribute *attr,			      char *buf){	ide_drive_t *drive = to_ide_device(dev);	return sprintf(buf, "%s\n", drive->name);} static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,			     char *buf){	ide_drive_t *drive = to_ide_device(dev);	return sprintf(buf, "ide:m-%s\n", ide_media_string(drive));} static ssize_t model_show(struct device *dev, struct device_attribute *attr,			  char *buf){	ide_drive_t *drive = to_ide_device(dev);	return sprintf(buf, "%s\n", (char *)&drive->id[ATA_ID_PROD]);} static ssize_t firmware_show(struct device *dev, struct device_attribute *attr,			     char *buf){	ide_drive_t *drive = to_ide_device(dev);	return sprintf(buf, "%s\n", (char *)&drive->id[ATA_ID_FW_REV]);} static ssize_t serial_show(struct device *dev, struct device_attribute *attr,			   char *buf){	ide_drive_t *drive = to_ide_device(dev);	return sprintf(buf, "%s\n", (char *)&drive->id[ATA_ID_SERNO]);} struct device_attribute ide_dev_attrs[] = {	__ATTR_RO(media),	__ATTR_RO(drivename),	__ATTR_RO(modalias),	__ATTR_RO(model),	__ATTR_RO(firmware),	__ATTR(serial, 0400, serial_show, NULL),	__ATTR(unload_heads, 0644, ide_park_show, ide_park_store),	__ATTR_NULL}; static ssize_t store_delete_devices(struct device *portdev,				    struct device_attribute *attr,				    const char *buf, size_t n){	ide_hwif_t *hwif = dev_get_drvdata(portdev); 	if (strncmp(buf, "1", n))		return -EINVAL; 	ide_port_unregister_devices(hwif); 	return n;}; static DEVICE_ATTR(delete_devices, S_IWUSR, NULL, store_delete_devices); static ssize_t store_scan(struct device *portdev,			  struct device_attribute *attr,			  const char *buf, size_t n){	ide_hwif_t *hwif = dev_get_drvdata(portdev); 	if (strncmp(buf, "1", n))		return -EINVAL; 	ide_port_unregister_devices(hwif);	ide_port_scan(hwif); 	return n;}; static DEVICE_ATTR(scan, S_IWUSR, NULL, store_scan); static struct device_attribute *ide_port_attrs[] = {	&dev_attr_delete_devices,	&dev_attr_scan,	NULL}; int ide_sysfs_register_port(ide_hwif_t *hwif){	int i, uninitialized_var(rc); 	for (i = 0; ide_port_attrs[i]; i++) {		rc = device_create_file(hwif->portdev, ide_port_attrs[i]);		if (rc)			break;	} 	return rc;}