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path: root/drivers/ide/ide-disk_proc.c
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Diffstat (limited to 'drivers/ide/ide-disk_proc.c')
-rw-r--r--drivers/ide/ide-disk_proc.c129
1 files changed, 85 insertions, 44 deletions
diff --git a/drivers/ide/ide-disk_proc.c b/drivers/ide/ide-disk_proc.c
index 19f263bf0a9e..60b0590ccc9c 100644
--- a/drivers/ide/ide-disk_proc.c
+++ b/drivers/ide/ide-disk_proc.c
@@ -1,5 +1,6 @@
1#include <linux/kernel.h> 1#include <linux/kernel.h>
2#include <linux/ide.h> 2#include <linux/ide.h>
3#include <linux/seq_file.h>
3 4
4#include "ide-disk.h" 5#include "ide-disk.h"
5 6
@@ -37,77 +38,117 @@ static int get_smart_data(ide_drive_t *drive, u8 *buf, u8 sub_cmd)
37 return ide_raw_taskfile(drive, &cmd, buf, 1); 38 return ide_raw_taskfile(drive, &cmd, buf, 1);
38} 39}
39 40
40static int proc_idedisk_read_cache 41static int idedisk_cache_proc_show(struct seq_file *m, void *v)
41 (char *page, char **start, off_t off, int count, int *eof, void *data)
42{ 42{
43 ide_drive_t *drive = (ide_drive_t *) data; 43 ide_drive_t *drive = (ide_drive_t *) m->private;
44 char *out = page;
45 int len;
46 44
47 if (drive->dev_flags & IDE_DFLAG_ID_READ) 45 if (drive->dev_flags & IDE_DFLAG_ID_READ)
48 len = sprintf(out, "%i\n", drive->id[ATA_ID_BUF_SIZE] / 2); 46 seq_printf(m, "%i\n", drive->id[ATA_ID_BUF_SIZE] / 2);
49 else 47 else
50 len = sprintf(out, "(none)\n"); 48 seq_printf(m, "(none)\n");
49 return 0;
50}
51 51
52 PROC_IDE_READ_RETURN(page, start, off, count, eof, len); 52static int idedisk_cache_proc_open(struct inode *inode, struct file *file)
53{
54 return single_open(file, idedisk_cache_proc_show, PDE(inode)->data);
53} 55}
54 56
55static int proc_idedisk_read_capacity 57static const struct file_operations idedisk_cache_proc_fops = {
56 (char *page, char **start, off_t off, int count, int *eof, void *data) 58 .owner = THIS_MODULE,
59 .open = idedisk_cache_proc_open,
60 .read = seq_read,
61 .llseek = seq_lseek,
62 .release = single_release,
63};
64
65static int idedisk_capacity_proc_show(struct seq_file *m, void *v)
57{ 66{
58 ide_drive_t*drive = (ide_drive_t *)data; 67 ide_drive_t*drive = (ide_drive_t *)m->private;
59 int len;
60 68
61 len = sprintf(page, "%llu\n", (long long)ide_gd_capacity(drive)); 69 seq_printf(m, "%llu\n", (long long)ide_gd_capacity(drive));
70 return 0;
71}
62 72
63 PROC_IDE_READ_RETURN(page, start, off, count, eof, len); 73static int idedisk_capacity_proc_open(struct inode *inode, struct file *file)
74{
75 return single_open(file, idedisk_capacity_proc_show, PDE(inode)->data);
64} 76}
65 77
66static int proc_idedisk_read_smart(char *page, char **start, off_t off, 78static const struct file_operations idedisk_capacity_proc_fops = {
67 int count, int *eof, void *data, u8 sub_cmd) 79 .owner = THIS_MODULE,
80 .open = idedisk_capacity_proc_open,
81 .read = seq_read,
82 .llseek = seq_lseek,
83 .release = single_release,
84};
85
86static int __idedisk_proc_show(struct seq_file *m, ide_drive_t *drive, u8 sub_cmd)
68{ 87{
69 ide_drive_t *drive = (ide_drive_t *)data; 88 u8 *buf;
70 int len = 0, i = 0; 89
90 buf = kmalloc(SECTOR_SIZE, GFP_KERNEL);
91 if (!buf)
92 return -ENOMEM;
71 93
72 (void)smart_enable(drive); 94 (void)smart_enable(drive);
73 95
74 if (get_smart_data(drive, page, sub_cmd) == 0) { 96 if (get_smart_data(drive, buf, sub_cmd) == 0) {
75 unsigned short *val = (unsigned short *) page; 97 __le16 *val = (__le16 *)buf;
76 char *out = (char *)val + SECTOR_SIZE; 98 int i;
77 99
78 page = out; 100 for (i = 0; i < SECTOR_SIZE / 2; i++) {
79 do { 101 seq_printf(m, "%04x%c", le16_to_cpu(val[i]),
80 out += sprintf(out, "%04x%c", le16_to_cpu(*val), 102 (i % 8) == 7 ? '\n' : ' ');
81 (++i & 7) ? ' ' : '\n'); 103 }
82 val += 1;
83 } while (i < SECTOR_SIZE / 2);
84 len = out - page;
85 } 104 }
105 kfree(buf);
106 return 0;
107}
86 108
87 PROC_IDE_READ_RETURN(page, start, off, count, eof, len); 109static int idedisk_sv_proc_show(struct seq_file *m, void *v)
110{
111 return __idedisk_proc_show(m, m->private, ATA_SMART_READ_VALUES);
88} 112}
89 113
90static int proc_idedisk_read_sv 114static int idedisk_sv_proc_open(struct inode *inode, struct file *file)
91 (char *page, char **start, off_t off, int count, int *eof, void *data)
92{ 115{
93 return proc_idedisk_read_smart(page, start, off, count, eof, data, 116 return single_open(file, idedisk_sv_proc_show, PDE(inode)->data);
94 ATA_SMART_READ_VALUES);
95} 117}
96 118
97static int proc_idedisk_read_st 119static const struct file_operations idedisk_sv_proc_fops = {
98 (char *page, char **start, off_t off, int count, int *eof, void *data) 120 .owner = THIS_MODULE,
121 .open = idedisk_sv_proc_open,
122 .read = seq_read,
123 .llseek = seq_lseek,
124 .release = single_release,
125};
126
127static int idedisk_st_proc_show(struct seq_file *m, void *v)
99{ 128{
100 return proc_idedisk_read_smart(page, start, off, count, eof, data, 129 return __idedisk_proc_show(m, m->private, ATA_SMART_READ_THRESHOLDS);
101 ATA_SMART_READ_THRESHOLDS);
102} 130}
103 131
132static int idedisk_st_proc_open(struct inode *inode, struct file *file)
133{
134 return single_open(file, idedisk_st_proc_show, PDE(inode)->data);
135}
136
137static const struct file_operations idedisk_st_proc_fops = {
138 .owner = THIS_MODULE,
139 .open = idedisk_st_proc_open,
140 .read = seq_read,
141 .llseek = seq_lseek,
142 .release = single_release,
143};
144
104ide_proc_entry_t ide_disk_proc[] = { 145ide_proc_entry_t ide_disk_proc[] = {
105 { "cache", S_IFREG|S_IRUGO, proc_idedisk_read_cache, NULL }, 146 { "cache", S_IFREG|S_IRUGO, &idedisk_cache_proc_fops },
106 { "capacity", S_IFREG|S_IRUGO, proc_idedisk_read_capacity, NULL }, 147 { "capacity", S_IFREG|S_IRUGO, &idedisk_capacity_proc_fops },
107 { "geometry", S_IFREG|S_IRUGO, proc_ide_read_geometry, NULL }, 148 { "geometry", S_IFREG|S_IRUGO, &ide_geometry_proc_fops },
108 { "smart_values", S_IFREG|S_IRUSR, proc_idedisk_read_sv, NULL }, 149 { "smart_values", S_IFREG|S_IRUSR, &idedisk_sv_proc_fops },
109 { "smart_thresholds", S_IFREG|S_IRUSR, proc_idedisk_read_st, NULL }, 150 { "smart_thresholds", S_IFREG|S_IRUSR, &idedisk_st_proc_fops },
110 { NULL, 0, NULL, NULL } 151 {}
111}; 152};
112 153
113ide_devset_rw_field(bios_cyl, bios_cyl); 154ide_devset_rw_field(bios_cyl, bios_cyl);
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-21 03:55:45 -0500