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1 | #include <linux/kernel.h> |
2 | #include <linux/ide.h> |
3 | |
4 | char *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 | |
22 | static 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 | |
29 | static 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 | |
36 | static 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 | |
43 | static 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 | |
50 | static 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 | |
57 | static 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 | |
64 | struct 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 | |
75 | static 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 | |
89 | static DEVICE_ATTR(delete_devices, S_IWUSR, NULL, store_delete_devices); |
90 | |
91 | static 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 | |
106 | static DEVICE_ATTR(scan, S_IWUSR, NULL, store_scan); |
107 | |
108 | static struct device_attribute *ide_port_attrs[] = { |
109 | &dev_attr_delete_devices, |
110 | &dev_attr_scan, |
111 | NULL |
112 | }; |
113 | |
114 | int 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 | } |
126 |
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