aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/ide/ide-sysfs.c
blob: 883ffacaf45ac4bbd67ca8fe1f9cf576149665ad (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
#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;
}