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