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}
 28static DEVICE_ATTR_RO(media);
 29
 30static ssize_t drivename_show(struct device *dev, struct device_attribute *attr,
 31			      char *buf)
 32{
 33	ide_drive_t *drive = to_ide_device(dev);
 34	return sprintf(buf, "%s\n", drive->name);
 35}
 36static DEVICE_ATTR_RO(drivename);
 37
 38static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
 39			     char *buf)
 40{
 41	ide_drive_t *drive = to_ide_device(dev);
 42	return sprintf(buf, "ide:m-%s\n", ide_media_string(drive));
 43}
 44static DEVICE_ATTR_RO(modalias);
 45
 46static ssize_t model_show(struct device *dev, struct device_attribute *attr,
 47			  char *buf)
 48{
 49	ide_drive_t *drive = to_ide_device(dev);
 50	return sprintf(buf, "%s\n", (char *)&drive->id[ATA_ID_PROD]);
 51}
 52static DEVICE_ATTR_RO(model);
 53
 54static ssize_t firmware_show(struct device *dev, struct device_attribute *attr,
 55			     char *buf)
 56{
 57	ide_drive_t *drive = to_ide_device(dev);
 58	return sprintf(buf, "%s\n", (char *)&drive->id[ATA_ID_FW_REV]);
 59}
 60static DEVICE_ATTR_RO(firmware);
 61
 62static ssize_t serial_show(struct device *dev, struct device_attribute *attr,
 63			   char *buf)
 64{
 65	ide_drive_t *drive = to_ide_device(dev);
 66	return sprintf(buf, "%s\n", (char *)&drive->id[ATA_ID_SERNO]);
 67}
 68static DEVICE_ATTR(serial, 0400, serial_show, NULL);
 69
 70static DEVICE_ATTR(unload_heads, 0644, ide_park_show, ide_park_store);
 71
 72static struct attribute *ide_attrs[] = {
 73	&dev_attr_media.attr,
 74	&dev_attr_drivename.attr,
 75	&dev_attr_modalias.attr,
 76	&dev_attr_model.attr,
 77	&dev_attr_firmware.attr,
 78	&dev_attr_serial.attr,
 79	&dev_attr_unload_heads.attr,
 80	NULL,
 81};
 82
 83static const struct attribute_group ide_attr_group = {
 84	.attrs = ide_attrs,
 85};
 86
 87const struct attribute_group *ide_dev_groups[] = {
 88	&ide_attr_group,
 89	NULL,
 90};
 91
 92static ssize_t store_delete_devices(struct device *portdev,
 93				    struct device_attribute *attr,
 94				    const char *buf, size_t n)
 95{
 96	ide_hwif_t *hwif = dev_get_drvdata(portdev);
 97
 98	if (strncmp(buf, "1", n))
 99		return -EINVAL;
100
101	ide_port_unregister_devices(hwif);
102
103	return n;
104};
105
106static DEVICE_ATTR(delete_devices, S_IWUSR, NULL, store_delete_devices);
107
108static ssize_t store_scan(struct device *portdev,
109			  struct device_attribute *attr,
110			  const char *buf, size_t n)
111{
112	ide_hwif_t *hwif = dev_get_drvdata(portdev);
113
114	if (strncmp(buf, "1", n))
115		return -EINVAL;
116
117	ide_port_unregister_devices(hwif);
118	ide_port_scan(hwif);
119
120	return n;
121};
122
123static DEVICE_ATTR(scan, S_IWUSR, NULL, store_scan);
124
125static struct device_attribute *ide_port_attrs[] = {
126	&dev_attr_delete_devices,
127	&dev_attr_scan,
128	NULL
129};
130
131int ide_sysfs_register_port(ide_hwif_t *hwif)
132{
133	int i, uninitialized_var(rc);
134
135	for (i = 0; ide_port_attrs[i]; i++) {
136		rc = device_create_file(hwif->portdev, ide_port_attrs[i]);
137		if (rc)
138			break;
139	}
140
141	return rc;
142}