Root/
1 | #include <linux/kernel.h> |
2 | #include <linux/ide.h> |
3 | #include <linux/slab.h> |
4 | #include <linux/export.h> |
5 | #include <linux/seq_file.h> |
6 | |
7 | #include "ide-disk.h" |
8 | |
9 | static int smart_enable(ide_drive_t *drive) |
10 | { |
11 | struct ide_cmd cmd; |
12 | struct ide_taskfile *tf = &cmd.tf; |
13 | |
14 | memset(&cmd, 0, sizeof(cmd)); |
15 | tf->feature = ATA_SMART_ENABLE; |
16 | tf->lbam = ATA_SMART_LBAM_PASS; |
17 | tf->lbah = ATA_SMART_LBAH_PASS; |
18 | tf->command = ATA_CMD_SMART; |
19 | cmd.valid.out.tf = IDE_VALID_OUT_TF | IDE_VALID_DEVICE; |
20 | cmd.valid.in.tf = IDE_VALID_IN_TF | IDE_VALID_DEVICE; |
21 | |
22 | return ide_no_data_taskfile(drive, &cmd); |
23 | } |
24 | |
25 | static int get_smart_data(ide_drive_t *drive, u8 *buf, u8 sub_cmd) |
26 | { |
27 | struct ide_cmd cmd; |
28 | struct ide_taskfile *tf = &cmd.tf; |
29 | |
30 | memset(&cmd, 0, sizeof(cmd)); |
31 | tf->feature = sub_cmd; |
32 | tf->nsect = 0x01; |
33 | tf->lbam = ATA_SMART_LBAM_PASS; |
34 | tf->lbah = ATA_SMART_LBAH_PASS; |
35 | tf->command = ATA_CMD_SMART; |
36 | cmd.valid.out.tf = IDE_VALID_OUT_TF | IDE_VALID_DEVICE; |
37 | cmd.valid.in.tf = IDE_VALID_IN_TF | IDE_VALID_DEVICE; |
38 | cmd.protocol = ATA_PROT_PIO; |
39 | |
40 | return ide_raw_taskfile(drive, &cmd, buf, 1); |
41 | } |
42 | |
43 | static int idedisk_cache_proc_show(struct seq_file *m, void *v) |
44 | { |
45 | ide_drive_t *drive = (ide_drive_t *) m->private; |
46 | |
47 | if (drive->dev_flags & IDE_DFLAG_ID_READ) |
48 | seq_printf(m, "%i\n", drive->id[ATA_ID_BUF_SIZE] / 2); |
49 | else |
50 | seq_printf(m, "(none)\n"); |
51 | return 0; |
52 | } |
53 | |
54 | static int idedisk_cache_proc_open(struct inode *inode, struct file *file) |
55 | { |
56 | return single_open(file, idedisk_cache_proc_show, PDE(inode)->data); |
57 | } |
58 | |
59 | static const struct file_operations idedisk_cache_proc_fops = { |
60 | .owner = THIS_MODULE, |
61 | .open = idedisk_cache_proc_open, |
62 | .read = seq_read, |
63 | .llseek = seq_lseek, |
64 | .release = single_release, |
65 | }; |
66 | |
67 | static int idedisk_capacity_proc_show(struct seq_file *m, void *v) |
68 | { |
69 | ide_drive_t*drive = (ide_drive_t *)m->private; |
70 | |
71 | seq_printf(m, "%llu\n", (long long)ide_gd_capacity(drive)); |
72 | return 0; |
73 | } |
74 | |
75 | static int idedisk_capacity_proc_open(struct inode *inode, struct file *file) |
76 | { |
77 | return single_open(file, idedisk_capacity_proc_show, PDE(inode)->data); |
78 | } |
79 | |
80 | static const struct file_operations idedisk_capacity_proc_fops = { |
81 | .owner = THIS_MODULE, |
82 | .open = idedisk_capacity_proc_open, |
83 | .read = seq_read, |
84 | .llseek = seq_lseek, |
85 | .release = single_release, |
86 | }; |
87 | |
88 | static int __idedisk_proc_show(struct seq_file *m, ide_drive_t *drive, u8 sub_cmd) |
89 | { |
90 | u8 *buf; |
91 | |
92 | buf = kmalloc(SECTOR_SIZE, GFP_KERNEL); |
93 | if (!buf) |
94 | return -ENOMEM; |
95 | |
96 | (void)smart_enable(drive); |
97 | |
98 | if (get_smart_data(drive, buf, sub_cmd) == 0) { |
99 | __le16 *val = (__le16 *)buf; |
100 | int i; |
101 | |
102 | for (i = 0; i < SECTOR_SIZE / 2; i++) { |
103 | seq_printf(m, "%04x%c", le16_to_cpu(val[i]), |
104 | (i % 8) == 7 ? '\n' : ' '); |
105 | } |
106 | } |
107 | kfree(buf); |
108 | return 0; |
109 | } |
110 | |
111 | static int idedisk_sv_proc_show(struct seq_file *m, void *v) |
112 | { |
113 | return __idedisk_proc_show(m, m->private, ATA_SMART_READ_VALUES); |
114 | } |
115 | |
116 | static int idedisk_sv_proc_open(struct inode *inode, struct file *file) |
117 | { |
118 | return single_open(file, idedisk_sv_proc_show, PDE(inode)->data); |
119 | } |
120 | |
121 | static const struct file_operations idedisk_sv_proc_fops = { |
122 | .owner = THIS_MODULE, |
123 | .open = idedisk_sv_proc_open, |
124 | .read = seq_read, |
125 | .llseek = seq_lseek, |
126 | .release = single_release, |
127 | }; |
128 | |
129 | static int idedisk_st_proc_show(struct seq_file *m, void *v) |
130 | { |
131 | return __idedisk_proc_show(m, m->private, ATA_SMART_READ_THRESHOLDS); |
132 | } |
133 | |
134 | static int idedisk_st_proc_open(struct inode *inode, struct file *file) |
135 | { |
136 | return single_open(file, idedisk_st_proc_show, PDE(inode)->data); |
137 | } |
138 | |
139 | static const struct file_operations idedisk_st_proc_fops = { |
140 | .owner = THIS_MODULE, |
141 | .open = idedisk_st_proc_open, |
142 | .read = seq_read, |
143 | .llseek = seq_lseek, |
144 | .release = single_release, |
145 | }; |
146 | |
147 | ide_proc_entry_t ide_disk_proc[] = { |
148 | { "cache", S_IFREG|S_IRUGO, &idedisk_cache_proc_fops }, |
149 | { "capacity", S_IFREG|S_IRUGO, &idedisk_capacity_proc_fops }, |
150 | { "geometry", S_IFREG|S_IRUGO, &ide_geometry_proc_fops }, |
151 | { "smart_values", S_IFREG|S_IRUSR, &idedisk_sv_proc_fops }, |
152 | { "smart_thresholds", S_IFREG|S_IRUSR, &idedisk_st_proc_fops }, |
153 | {} |
154 | }; |
155 | |
156 | ide_devset_rw_field(bios_cyl, bios_cyl); |
157 | ide_devset_rw_field(bios_head, bios_head); |
158 | ide_devset_rw_field(bios_sect, bios_sect); |
159 | ide_devset_rw_field(failures, failures); |
160 | ide_devset_rw_field(lun, lun); |
161 | ide_devset_rw_field(max_failures, max_failures); |
162 | |
163 | const struct ide_proc_devset ide_disk_settings[] = { |
164 | IDE_PROC_DEVSET(acoustic, 0, 254), |
165 | IDE_PROC_DEVSET(address, 0, 2), |
166 | IDE_PROC_DEVSET(bios_cyl, 0, 65535), |
167 | IDE_PROC_DEVSET(bios_head, 0, 255), |
168 | IDE_PROC_DEVSET(bios_sect, 0, 63), |
169 | IDE_PROC_DEVSET(failures, 0, 65535), |
170 | IDE_PROC_DEVSET(lun, 0, 7), |
171 | IDE_PROC_DEVSET(max_failures, 0, 65535), |
172 | IDE_PROC_DEVSET(multcount, 0, 16), |
173 | IDE_PROC_DEVSET(nowerr, 0, 1), |
174 | IDE_PROC_DEVSET(wcache, 0, 1), |
175 | { NULL }, |
176 | }; |
177 |
Branches:
ben-wpan
ben-wpan-stefan
javiroman/ks7010
jz-2.6.34
jz-2.6.34-rc5
jz-2.6.34-rc6
jz-2.6.34-rc7
jz-2.6.35
jz-2.6.36
jz-2.6.37
jz-2.6.38
jz-2.6.39
jz-3.0
jz-3.1
jz-3.11
jz-3.12
jz-3.13
jz-3.15
jz-3.16
jz-3.18-dt
jz-3.2
jz-3.3
jz-3.4
jz-3.5
jz-3.6
jz-3.6-rc2-pwm
jz-3.9
jz-3.9-clk
jz-3.9-rc8
jz47xx
jz47xx-2.6.38
master
Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9