Commit | Line | Data |
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b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
ebdab07d BZ |
2 | #include <linux/kernel.h> |
3 | #include <linux/ide.h> | |
4 | ||
5 | char *ide_media_string(ide_drive_t *drive) | |
6 | { | |
7 | switch (drive->media) { | |
8 | case ide_disk: | |
9 | return "disk"; | |
10 | case ide_cdrom: | |
11 | return "cdrom"; | |
12 | case ide_tape: | |
13 | return "tape"; | |
14 | case ide_floppy: | |
15 | return "floppy"; | |
16 | case ide_optical: | |
17 | return "optical"; | |
18 | default: | |
19 | return "UNKNOWN"; | |
20 | } | |
21 | } | |
22 | ||
23 | static ssize_t media_show(struct device *dev, struct device_attribute *attr, | |
24 | char *buf) | |
25 | { | |
26 | ide_drive_t *drive = to_ide_device(dev); | |
27 | return sprintf(buf, "%s\n", ide_media_string(drive)); | |
28 | } | |
fb3fed79 | 29 | static DEVICE_ATTR_RO(media); |
ebdab07d BZ |
30 | |
31 | static ssize_t drivename_show(struct device *dev, struct device_attribute *attr, | |
32 | char *buf) | |
33 | { | |
34 | ide_drive_t *drive = to_ide_device(dev); | |
35 | return sprintf(buf, "%s\n", drive->name); | |
36 | } | |
fb3fed79 | 37 | static DEVICE_ATTR_RO(drivename); |
ebdab07d BZ |
38 | |
39 | static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, | |
40 | char *buf) | |
41 | { | |
42 | ide_drive_t *drive = to_ide_device(dev); | |
43 | return sprintf(buf, "ide:m-%s\n", ide_media_string(drive)); | |
44 | } | |
fb3fed79 | 45 | static DEVICE_ATTR_RO(modalias); |
ebdab07d BZ |
46 | |
47 | static ssize_t model_show(struct device *dev, struct device_attribute *attr, | |
48 | char *buf) | |
49 | { | |
50 | ide_drive_t *drive = to_ide_device(dev); | |
51 | return sprintf(buf, "%s\n", (char *)&drive->id[ATA_ID_PROD]); | |
52 | } | |
fb3fed79 | 53 | static DEVICE_ATTR_RO(model); |
ebdab07d BZ |
54 | |
55 | static ssize_t firmware_show(struct device *dev, struct device_attribute *attr, | |
56 | char *buf) | |
57 | { | |
58 | ide_drive_t *drive = to_ide_device(dev); | |
59 | return sprintf(buf, "%s\n", (char *)&drive->id[ATA_ID_FW_REV]); | |
60 | } | |
fb3fed79 | 61 | static DEVICE_ATTR_RO(firmware); |
ebdab07d BZ |
62 | |
63 | static ssize_t serial_show(struct device *dev, struct device_attribute *attr, | |
64 | char *buf) | |
65 | { | |
66 | ide_drive_t *drive = to_ide_device(dev); | |
67 | return sprintf(buf, "%s\n", (char *)&drive->id[ATA_ID_SERNO]); | |
68 | } | |
fb3fed79 | 69 | static DEVICE_ATTR(serial, 0400, serial_show, NULL); |
ebdab07d | 70 | |
fb3fed79 GKH |
71 | static DEVICE_ATTR(unload_heads, 0644, ide_park_show, ide_park_store); |
72 | ||
73 | static struct attribute *ide_attrs[] = { | |
74 | &dev_attr_media.attr, | |
75 | &dev_attr_drivename.attr, | |
76 | &dev_attr_modalias.attr, | |
77 | &dev_attr_model.attr, | |
78 | &dev_attr_firmware.attr, | |
79 | &dev_attr_serial.attr, | |
80 | &dev_attr_unload_heads.attr, | |
81 | NULL, | |
82 | }; | |
83 | ||
84 | static const struct attribute_group ide_attr_group = { | |
85 | .attrs = ide_attrs, | |
86 | }; | |
87 | ||
88 | const struct attribute_group *ide_dev_groups[] = { | |
89 | &ide_attr_group, | |
90 | NULL, | |
ebdab07d BZ |
91 | }; |
92 | ||
93 | static ssize_t store_delete_devices(struct device *portdev, | |
94 | struct device_attribute *attr, | |
95 | const char *buf, size_t n) | |
96 | { | |
97 | ide_hwif_t *hwif = dev_get_drvdata(portdev); | |
98 | ||
99 | if (strncmp(buf, "1", n)) | |
100 | return -EINVAL; | |
101 | ||
102 | ide_port_unregister_devices(hwif); | |
103 | ||
104 | return n; | |
105 | }; | |
106 | ||
107 | static DEVICE_ATTR(delete_devices, S_IWUSR, NULL, store_delete_devices); | |
108 | ||
109 | static ssize_t store_scan(struct device *portdev, | |
110 | struct device_attribute *attr, | |
111 | const char *buf, size_t n) | |
112 | { | |
113 | ide_hwif_t *hwif = dev_get_drvdata(portdev); | |
114 | ||
115 | if (strncmp(buf, "1", n)) | |
116 | return -EINVAL; | |
117 | ||
118 | ide_port_unregister_devices(hwif); | |
119 | ide_port_scan(hwif); | |
120 | ||
121 | return n; | |
122 | }; | |
123 | ||
124 | static DEVICE_ATTR(scan, S_IWUSR, NULL, store_scan); | |
125 | ||
126 | static struct device_attribute *ide_port_attrs[] = { | |
127 | &dev_attr_delete_devices, | |
128 | &dev_attr_scan, | |
129 | NULL | |
130 | }; | |
131 | ||
132 | int ide_sysfs_register_port(ide_hwif_t *hwif) | |
133 | { | |
3f649ab7 | 134 | int i, rc; |
ebdab07d BZ |
135 | |
136 | for (i = 0; ide_port_attrs[i]; i++) { | |
137 | rc = device_create_file(hwif->portdev, ide_port_attrs[i]); | |
138 | if (rc) | |
139 | break; | |
140 | } | |
141 | ||
142 | return rc; | |
143 | } |