1#include <linux/kernel.h>
  2#include <linux/ide.h>
  3
  4char *ide_media_string(ide_drive_t *drive)
  5{
  6	switch (drive->media) {
  7	case ide_disk:
  8		return "disk";
  9	case ide_cdrom:
 10		return "cdrom";
 11	case ide_tape:
 12		return "tape";
 13	case ide_floppy:
 14		return "floppy";
 15	case ide_optical:
 16		return "optical";
 17	default:
 18		return "UNKNOWN";
 19	}
 20}
 21
 22static ssize_t media_show(struct device *dev, struct device_attribute *attr,
 23			  char *buf)
 24{
 25	ide_drive_t *drive = to_ide_device(dev);
 26	return sprintf(buf, "%s\n", ide_media_string(drive));
 27}
 28
 29static ssize_t drivename_show(struct device *dev, struct device_attribute *attr,
 30			      char *buf)
 31{
 32	ide_drive_t *drive = to_ide_device(dev);
 33	return sprintf(buf, "%s\n", drive->name);
 34}
 35
 36static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
 37			     char *buf)
 38{
 39	ide_drive_t *drive = to_ide_device(dev);
 40	return sprintf(buf, "ide:m-%s\n", ide_media_string(drive));
 41}
 42
 43static ssize_t model_show(struct device *dev, struct device_attribute *attr,
 44			  char *buf)
 45{
 46	ide_drive_t *drive = to_ide_device(dev);
 47	return sprintf(buf, "%s\n", (char *)&drive->id[ATA_ID_PROD]);
 48}
 49
 50static ssize_t firmware_show(struct device *dev, struct device_attribute *attr,
 51			     char *buf)
 52{
 53	ide_drive_t *drive = to_ide_device(dev);
 54	return sprintf(buf, "%s\n", (char *)&drive->id[ATA_ID_FW_REV]);
 55}
 56
 57static ssize_t serial_show(struct device *dev, struct device_attribute *attr,
 58			   char *buf)
 59{
 60	ide_drive_t *drive = to_ide_device(dev);
 61	return sprintf(buf, "%s\n", (char *)&drive->id[ATA_ID_SERNO]);
 62}
 63
 64struct device_attribute ide_dev_attrs[] = {
 65	__ATTR_RO(media),
 66	__ATTR_RO(drivename),
 67	__ATTR_RO(modalias),
 68	__ATTR_RO(model),
 69	__ATTR_RO(firmware),
 70	__ATTR(serial, 0400, serial_show, NULL),
 71	__ATTR(unload_heads, 0644, ide_park_show, ide_park_store),
 72	__ATTR_NULL
 73};
 74
 75static ssize_t store_delete_devices(struct device *portdev,
 76				    struct device_attribute *attr,
 77				    const char *buf, size_t n)
 78{
 79	ide_hwif_t *hwif = dev_get_drvdata(portdev);
 80
 81	if (strncmp(buf, "1", n))
 82		return -EINVAL;
 83
 84	ide_port_unregister_devices(hwif);
 85
 86	return n;
 87};
 88
 89static DEVICE_ATTR(delete_devices, S_IWUSR, NULL, store_delete_devices);
 90
 91static ssize_t store_scan(struct device *portdev,
 92			  struct device_attribute *attr,
 93			  const char *buf, size_t n)
 94{
 95	ide_hwif_t *hwif = dev_get_drvdata(portdev);
 96
 97	if (strncmp(buf, "1", n))
 98		return -EINVAL;
 99
100	ide_port_unregister_devices(hwif);
101	ide_port_scan(hwif);
102
103	return n;
104};
105
106static DEVICE_ATTR(scan, S_IWUSR, NULL, store_scan);
107
108static struct device_attribute *ide_port_attrs[] = {
109	&dev_attr_delete_devices,
110	&dev_attr_scan,
111	NULL
112};
113
114int ide_sysfs_register_port(ide_hwif_t *hwif)
115{
116	int i, uninitialized_var(rc);
117
118	for (i = 0; ide_port_attrs[i]; i++) {
119		rc = device_create_file(hwif->portdev, ide_port_attrs[i]);
120		if (rc)
121			break;
122	}
123
124	return rc;
125}