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1 | #include <linux/kernel.h> |
2 | #include <linux/ide.h> | |
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3 | |
4 | #include "ide-disk.h" | |
5 | ||
6 | static int smart_enable(ide_drive_t *drive) | |
7 | { | |
22aa4b32 BZ |
8 | struct ide_cmd cmd; |
9 | struct ide_taskfile *tf = &cmd.tf; | |
06b89518 | 10 | |
22aa4b32 | 11 | memset(&cmd, 0, sizeof(cmd)); |
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12 | tf->feature = ATA_SMART_ENABLE; |
13 | tf->lbam = ATA_SMART_LBAM_PASS; | |
14 | tf->lbah = ATA_SMART_LBAH_PASS; | |
15 | tf->command = ATA_CMD_SMART; | |
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16 | cmd.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE; |
17 | ||
18 | return ide_no_data_taskfile(drive, &cmd); | |
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19 | } |
20 | ||
21 | static int get_smart_data(ide_drive_t *drive, u8 *buf, u8 sub_cmd) | |
22 | { | |
22aa4b32 BZ |
23 | struct ide_cmd cmd; |
24 | struct ide_taskfile *tf = &cmd.tf; | |
06b89518 | 25 | |
22aa4b32 | 26 | memset(&cmd, 0, sizeof(cmd)); |
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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; | |
0dfb991c BZ |
32 | cmd.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE; |
33 | cmd.protocol = ATA_PROT_PIO; | |
39375853 | 34 | |
22aa4b32 | 35 | return ide_raw_taskfile(drive, &cmd, buf, 1); |
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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 | ||
5fef0e5c | 59 | len = sprintf(page, "%llu\n", (long long)ide_gd_capacity(drive)); |
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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 | ||
39375853 BZ |
70 | (void)smart_enable(drive); |
71 | ||
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72 | if (get_smart_data(drive, page, sub_cmd) == 0) { |
73 | unsigned short *val = (unsigned short *) page; | |
74 | char *out = (char *)val + SECTOR_SIZE; | |
75 | ||
76 | page = out; | |
77 | do { | |
78 | out += sprintf(out, "%04x%c", le16_to_cpu(*val), | |
79 | (++i & 7) ? ' ' : '\n'); | |
80 | val += 1; | |
81 | } while (i < SECTOR_SIZE / 2); | |
82 | len = out - page; | |
83 | } | |
84 | ||
85 | PROC_IDE_READ_RETURN(page, start, off, count, eof, len); | |
86 | } | |
87 | ||
88 | static int proc_idedisk_read_sv | |
89 | (char *page, char **start, off_t off, int count, int *eof, void *data) | |
90 | { | |
91 | return proc_idedisk_read_smart(page, start, off, count, eof, data, | |
92 | ATA_SMART_READ_VALUES); | |
93 | } | |
94 | ||
95 | static int proc_idedisk_read_st | |
96 | (char *page, char **start, off_t off, int count, int *eof, void *data) | |
97 | { | |
98 | return proc_idedisk_read_smart(page, start, off, count, eof, data, | |
99 | ATA_SMART_READ_THRESHOLDS); | |
100 | } | |
101 | ||
102 | ide_proc_entry_t ide_disk_proc[] = { | |
103 | { "cache", S_IFREG|S_IRUGO, proc_idedisk_read_cache, NULL }, | |
104 | { "capacity", S_IFREG|S_IRUGO, proc_idedisk_read_capacity, NULL }, | |
105 | { "geometry", S_IFREG|S_IRUGO, proc_ide_read_geometry, NULL }, | |
106 | { "smart_values", S_IFREG|S_IRUSR, proc_idedisk_read_sv, NULL }, | |
107 | { "smart_thresholds", S_IFREG|S_IRUSR, proc_idedisk_read_st, NULL }, | |
108 | { NULL, 0, NULL, NULL } | |
109 | }; | |
110 | ||
111 | ide_devset_rw_field(bios_cyl, bios_cyl); | |
112 | ide_devset_rw_field(bios_head, bios_head); | |
113 | ide_devset_rw_field(bios_sect, bios_sect); | |
114 | ide_devset_rw_field(failures, failures); | |
115 | ide_devset_rw_field(lun, lun); | |
116 | ide_devset_rw_field(max_failures, max_failures); | |
117 | ||
118 | const struct ide_proc_devset ide_disk_settings[] = { | |
119 | IDE_PROC_DEVSET(acoustic, 0, 254), | |
120 | IDE_PROC_DEVSET(address, 0, 2), | |
121 | IDE_PROC_DEVSET(bios_cyl, 0, 65535), | |
122 | IDE_PROC_DEVSET(bios_head, 0, 255), | |
123 | IDE_PROC_DEVSET(bios_sect, 0, 63), | |
124 | IDE_PROC_DEVSET(failures, 0, 65535), | |
125 | IDE_PROC_DEVSET(lun, 0, 7), | |
126 | IDE_PROC_DEVSET(max_failures, 0, 65535), | |
127 | IDE_PROC_DEVSET(multcount, 0, 16), | |
128 | IDE_PROC_DEVSET(nowerr, 0, 1), | |
129 | IDE_PROC_DEVSET(wcache, 0, 1), | |
71bfc7a7 | 130 | { NULL }, |
06b89518 | 131 | }; |