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06b89518 BZ |
1 | #include <linux/kernel.h> |
2 | #include <linux/ide.h> | |
3 | #include <linux/hdreg.h> | |
4 | ||
5 | #include "ide-disk.h" | |
6 | ||
7 | static int smart_enable(ide_drive_t *drive) | |
8 | { | |
9 | ide_task_t args; | |
10 | struct ide_taskfile *tf = &args.tf; | |
11 | ||
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); | |
19 | } | |
20 | ||
21 | static int get_smart_data(ide_drive_t *drive, u8 *buf, u8 sub_cmd) | |
22 | { | |
23 | ide_task_t args; | |
24 | struct ide_taskfile *tf = &args.tf; | |
25 | ||
26 | memset(&args, 0, sizeof(ide_task_t)); | |
27 | tf->feature = sub_cmd; | |
28 | tf->nsect = 0x01; | |
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); | |
36 | } | |
37 | ||
38 | static int proc_idedisk_read_cache | |
39 | (char *page, char **start, off_t off, int count, int *eof, void *data) | |
40 | { | |
41 | ide_drive_t *drive = (ide_drive_t *) data; | |
42 | char *out = page; | |
43 | int len; | |
44 | ||
45 | if (drive->dev_flags & IDE_DFLAG_ID_READ) | |
46 | len = sprintf(out, "%i\n", drive->id[ATA_ID_BUF_SIZE] / 2); | |
47 | else | |
48 | len = sprintf(out, "(none)\n"); | |
49 | ||
50 | PROC_IDE_READ_RETURN(page, start, off, count, eof, len); | |
51 | } | |
52 | ||
53 | static int proc_idedisk_read_capacity | |
54 | (char *page, char **start, off_t off, int count, int *eof, void *data) | |
55 | { | |
56 | ide_drive_t*drive = (ide_drive_t *)data; | |
57 | int len; | |
58 | ||
59 | len = sprintf(page, "%llu\n", (long long)ide_disk_capacity(drive)); | |
60 | ||
61 | PROC_IDE_READ_RETURN(page, start, off, count, eof, len); | |
62 | } | |
63 | ||
64 | static int proc_idedisk_read_smart(char *page, char **start, off_t off, | |
65 | int count, int *eof, void *data, u8 sub_cmd) | |
66 | { | |
67 | ide_drive_t *drive = (ide_drive_t *)data; | |
68 | int len = 0, i = 0; | |
69 | ||
70 | if (get_smart_data(drive, page, sub_cmd) == 0) { | |
71 | unsigned short *val = (unsigned short *) page; | |
72 | char *out = (char *)val + SECTOR_SIZE; | |
73 | ||
74 | page = out; | |
75 | do { | |
76 | out += sprintf(out, "%04x%c", le16_to_cpu(*val), | |
77 | (++i & 7) ? ' ' : '\n'); | |
78 | val += 1; | |
79 | } while (i < SECTOR_SIZE / 2); | |
80 | len = out - page; | |
81 | } | |
82 | ||
83 | PROC_IDE_READ_RETURN(page, start, off, count, eof, len); | |
84 | } | |
85 | ||
86 | static int proc_idedisk_read_sv | |
87 | (char *page, char **start, off_t off, int count, int *eof, void *data) | |
88 | { | |
89 | return proc_idedisk_read_smart(page, start, off, count, eof, data, | |
90 | ATA_SMART_READ_VALUES); | |
91 | } | |
92 | ||
93 | static int proc_idedisk_read_st | |
94 | (char *page, char **start, off_t off, int count, int *eof, void *data) | |
95 | { | |
96 | return proc_idedisk_read_smart(page, start, off, count, eof, data, | |
97 | ATA_SMART_READ_THRESHOLDS); | |
98 | } | |
99 | ||
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 } | |
107 | }; | |
108 | ||
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); | |
115 | ||
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), | |
128 | { 0 }, | |
129 | }; |