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}
143