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authorBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2009-01-02 10:12:48 -0500
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2009-01-02 10:12:48 -0500
commitebdab07dad3d3a008e519b0a028e1e1ad5ecaef0 (patch)
treef4ada61ebd953949b14ef75b3bfa8cb16002dc2f /drivers/ide/ide-sysfs.c
parent24630dc68a499baec367d24285bc6b92207cc100 (diff)
ide: move sysfs support to ide-sysfs.c
While at it: - media_string() -> ide_media_string() There should be no functional changes caused by this patch. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/ide/ide-sysfs.c')
-rw-r--r--drivers/ide/ide-sysfs.c125
1 files changed, 125 insertions, 0 deletions
diff --git a/drivers/ide/ide-sysfs.c b/drivers/ide/ide-sysfs.c
new file mode 100644
index 000000000000..883ffacaf45a
--- /dev/null
+++ b/drivers/ide/ide-sysfs.c
@@ -0,0 +1,125 @@
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}