1 #include <linux/kernel.h>
3 #include <linux/hdreg.h>
7 static int smart_enable(ide_drive_t
*drive
)
10 struct ide_taskfile
*tf
= &args
.tf
;
12 memset(&args
, 0, sizeof(ide_task_t
));
13 tf
->feature
= ATA_SMART_ENABLE
;
14 tf
->lbam
= ATA_SMART_LBAM_PASS
;
15 tf
->lbah
= ATA_SMART_LBAH_PASS
;
16 tf
->command
= ATA_CMD_SMART
;
17 args
.tf_flags
= IDE_TFLAG_TF
| IDE_TFLAG_DEVICE
;
18 return ide_no_data_taskfile(drive
, &args
);
21 static int get_smart_data(ide_drive_t
*drive
, u8
*buf
, u8 sub_cmd
)
24 struct ide_taskfile
*tf
= &args
.tf
;
26 memset(&args
, 0, sizeof(ide_task_t
));
27 tf
->feature
= sub_cmd
;
29 tf
->lbam
= ATA_SMART_LBAM_PASS
;
30 tf
->lbah
= ATA_SMART_LBAH_PASS
;
31 tf
->command
= ATA_CMD_SMART
;
32 args
.tf_flags
= IDE_TFLAG_TF
| IDE_TFLAG_DEVICE
;
33 args
.data_phase
= TASKFILE_IN
;
34 (void) smart_enable(drive
);
35 return ide_raw_taskfile(drive
, &args
, buf
, 1);
38 static int proc_idedisk_read_cache
39 (char *page
, char **start
, off_t off
, int count
, int *eof
, void *data
)
41 ide_drive_t
*drive
= (ide_drive_t
*) data
;
45 if (drive
->dev_flags
& IDE_DFLAG_ID_READ
)
46 len
= sprintf(out
, "%i\n", drive
->id
[ATA_ID_BUF_SIZE
] / 2);
48 len
= sprintf(out
, "(none)\n");
50 PROC_IDE_READ_RETURN(page
, start
, off
, count
, eof
, len
);
53 static int proc_idedisk_read_capacity
54 (char *page
, char **start
, off_t off
, int count
, int *eof
, void *data
)
56 ide_drive_t
*drive
= (ide_drive_t
*)data
;
59 len
= sprintf(page
, "%llu\n", (long long)ide_gd_capacity(drive
));
61 PROC_IDE_READ_RETURN(page
, start
, off
, count
, eof
, len
);
64 static int proc_idedisk_read_smart(char *page
, char **start
, off_t off
,
65 int count
, int *eof
, void *data
, u8 sub_cmd
)
67 ide_drive_t
*drive
= (ide_drive_t
*)data
;
70 if (get_smart_data(drive
, page
, sub_cmd
) == 0) {
71 unsigned short *val
= (unsigned short *) page
;
72 char *out
= (char *)val
+ SECTOR_SIZE
;
76 out
+= sprintf(out
, "%04x%c", le16_to_cpu(*val
),
77 (++i
& 7) ? ' ' : '\n');
79 } while (i
< SECTOR_SIZE
/ 2);
83 PROC_IDE_READ_RETURN(page
, start
, off
, count
, eof
, len
);
86 static int proc_idedisk_read_sv
87 (char *page
, char **start
, off_t off
, int count
, int *eof
, void *data
)
89 return proc_idedisk_read_smart(page
, start
, off
, count
, eof
, data
,
90 ATA_SMART_READ_VALUES
);
93 static int proc_idedisk_read_st
94 (char *page
, char **start
, off_t off
, int count
, int *eof
, void *data
)
96 return proc_idedisk_read_smart(page
, start
, off
, count
, eof
, data
,
97 ATA_SMART_READ_THRESHOLDS
);
100 ide_proc_entry_t ide_disk_proc
[] = {
101 { "cache", S_IFREG
|S_IRUGO
, proc_idedisk_read_cache
, NULL
},
102 { "capacity", S_IFREG
|S_IRUGO
, proc_idedisk_read_capacity
, NULL
},
103 { "geometry", S_IFREG
|S_IRUGO
, proc_ide_read_geometry
, NULL
},
104 { "smart_values", S_IFREG
|S_IRUSR
, proc_idedisk_read_sv
, NULL
},
105 { "smart_thresholds", S_IFREG
|S_IRUSR
, proc_idedisk_read_st
, NULL
},
106 { NULL
, 0, NULL
, NULL
}
109 ide_devset_rw_field(bios_cyl
, bios_cyl
);
110 ide_devset_rw_field(bios_head
, bios_head
);
111 ide_devset_rw_field(bios_sect
, bios_sect
);
112 ide_devset_rw_field(failures
, failures
);
113 ide_devset_rw_field(lun
, lun
);
114 ide_devset_rw_field(max_failures
, max_failures
);
116 const struct ide_proc_devset ide_disk_settings
[] = {
117 IDE_PROC_DEVSET(acoustic
, 0, 254),
118 IDE_PROC_DEVSET(address
, 0, 2),
119 IDE_PROC_DEVSET(bios_cyl
, 0, 65535),
120 IDE_PROC_DEVSET(bios_head
, 0, 255),
121 IDE_PROC_DEVSET(bios_sect
, 0, 63),
122 IDE_PROC_DEVSET(failures
, 0, 65535),
123 IDE_PROC_DEVSET(lun
, 0, 7),
124 IDE_PROC_DEVSET(max_failures
, 0, 65535),
125 IDE_PROC_DEVSET(multcount
, 0, 16),
126 IDE_PROC_DEVSET(nowerr
, 0, 1),
127 IDE_PROC_DEVSET(wcache
, 0, 1),