Commit | Line | Data |
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b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
06b89518 BZ |
2 | #include <linux/kernel.h> |
3 | #include <linux/ide.h> | |
5a0e3ad6 | 4 | #include <linux/slab.h> |
38789fda | 5 | #include <linux/export.h> |
6d703a81 | 6 | #include <linux/seq_file.h> |
06b89518 BZ |
7 | |
8 | #include "ide-disk.h" | |
9 | ||
10 | static int smart_enable(ide_drive_t *drive) | |
11 | { | |
22aa4b32 BZ |
12 | struct ide_cmd cmd; |
13 | struct ide_taskfile *tf = &cmd.tf; | |
06b89518 | 14 | |
22aa4b32 | 15 | memset(&cmd, 0, sizeof(cmd)); |
06b89518 BZ |
16 | tf->feature = ATA_SMART_ENABLE; |
17 | tf->lbam = ATA_SMART_LBAM_PASS; | |
18 | tf->lbah = ATA_SMART_LBAH_PASS; | |
19 | tf->command = ATA_CMD_SMART; | |
60f85019 SS |
20 | cmd.valid.out.tf = IDE_VALID_OUT_TF | IDE_VALID_DEVICE; |
21 | cmd.valid.in.tf = IDE_VALID_IN_TF | IDE_VALID_DEVICE; | |
22aa4b32 BZ |
22 | |
23 | return ide_no_data_taskfile(drive, &cmd); | |
06b89518 BZ |
24 | } |
25 | ||
26 | static int get_smart_data(ide_drive_t *drive, u8 *buf, u8 sub_cmd) | |
27 | { | |
22aa4b32 BZ |
28 | struct ide_cmd cmd; |
29 | struct ide_taskfile *tf = &cmd.tf; | |
06b89518 | 30 | |
22aa4b32 | 31 | memset(&cmd, 0, sizeof(cmd)); |
06b89518 BZ |
32 | tf->feature = sub_cmd; |
33 | tf->nsect = 0x01; | |
34 | tf->lbam = ATA_SMART_LBAM_PASS; | |
35 | tf->lbah = ATA_SMART_LBAH_PASS; | |
36 | tf->command = ATA_CMD_SMART; | |
60f85019 SS |
37 | cmd.valid.out.tf = IDE_VALID_OUT_TF | IDE_VALID_DEVICE; |
38 | cmd.valid.in.tf = IDE_VALID_IN_TF | IDE_VALID_DEVICE; | |
0dfb991c | 39 | cmd.protocol = ATA_PROT_PIO; |
39375853 | 40 | |
22aa4b32 | 41 | return ide_raw_taskfile(drive, &cmd, buf, 1); |
06b89518 BZ |
42 | } |
43 | ||
6d703a81 | 44 | static int idedisk_cache_proc_show(struct seq_file *m, void *v) |
06b89518 | 45 | { |
6d703a81 | 46 | ide_drive_t *drive = (ide_drive_t *) m->private; |
06b89518 BZ |
47 | |
48 | if (drive->dev_flags & IDE_DFLAG_ID_READ) | |
6d703a81 | 49 | seq_printf(m, "%i\n", drive->id[ATA_ID_BUF_SIZE] / 2); |
06b89518 | 50 | else |
6d703a81 AD |
51 | seq_printf(m, "(none)\n"); |
52 | return 0; | |
53 | } | |
06b89518 | 54 | |
6d703a81 | 55 | static int idedisk_capacity_proc_show(struct seq_file *m, void *v) |
06b89518 | 56 | { |
6d703a81 | 57 | ide_drive_t*drive = (ide_drive_t *)m->private; |
06b89518 | 58 | |
6d703a81 AD |
59 | seq_printf(m, "%llu\n", (long long)ide_gd_capacity(drive)); |
60 | return 0; | |
61 | } | |
06b89518 | 62 | |
6d703a81 | 63 | static int __idedisk_proc_show(struct seq_file *m, ide_drive_t *drive, u8 sub_cmd) |
06b89518 | 64 | { |
6d703a81 AD |
65 | u8 *buf; |
66 | ||
67 | buf = kmalloc(SECTOR_SIZE, GFP_KERNEL); | |
68 | if (!buf) | |
69 | return -ENOMEM; | |
06b89518 | 70 | |
39375853 BZ |
71 | (void)smart_enable(drive); |
72 | ||
6d703a81 AD |
73 | if (get_smart_data(drive, buf, sub_cmd) == 0) { |
74 | __le16 *val = (__le16 *)buf; | |
75 | int i; | |
76 | ||
77 | for (i = 0; i < SECTOR_SIZE / 2; i++) { | |
78 | seq_printf(m, "%04x%c", le16_to_cpu(val[i]), | |
79 | (i % 8) == 7 ? '\n' : ' '); | |
80 | } | |
06b89518 | 81 | } |
6d703a81 AD |
82 | kfree(buf); |
83 | return 0; | |
84 | } | |
06b89518 | 85 | |
6d703a81 AD |
86 | static int idedisk_sv_proc_show(struct seq_file *m, void *v) |
87 | { | |
88 | return __idedisk_proc_show(m, m->private, ATA_SMART_READ_VALUES); | |
06b89518 BZ |
89 | } |
90 | ||
6d703a81 | 91 | static int idedisk_st_proc_show(struct seq_file *m, void *v) |
06b89518 | 92 | { |
6d703a81 | 93 | return __idedisk_proc_show(m, m->private, ATA_SMART_READ_THRESHOLDS); |
06b89518 BZ |
94 | } |
95 | ||
96 | ide_proc_entry_t ide_disk_proc[] = { | |
ec7d9c9c CH |
97 | { "cache", S_IFREG|S_IRUGO, idedisk_cache_proc_show }, |
98 | { "capacity", S_IFREG|S_IRUGO, idedisk_capacity_proc_show }, | |
99 | { "geometry", S_IFREG|S_IRUGO, ide_geometry_proc_show }, | |
100 | { "smart_values", S_IFREG|S_IRUSR, idedisk_sv_proc_show }, | |
101 | { "smart_thresholds", S_IFREG|S_IRUSR, idedisk_st_proc_show }, | |
6d703a81 | 102 | {} |
06b89518 BZ |
103 | }; |
104 | ||
105 | ide_devset_rw_field(bios_cyl, bios_cyl); | |
106 | ide_devset_rw_field(bios_head, bios_head); | |
107 | ide_devset_rw_field(bios_sect, bios_sect); | |
108 | ide_devset_rw_field(failures, failures); | |
109 | ide_devset_rw_field(lun, lun); | |
110 | ide_devset_rw_field(max_failures, max_failures); | |
111 | ||
112 | const struct ide_proc_devset ide_disk_settings[] = { | |
113 | IDE_PROC_DEVSET(acoustic, 0, 254), | |
114 | IDE_PROC_DEVSET(address, 0, 2), | |
115 | IDE_PROC_DEVSET(bios_cyl, 0, 65535), | |
116 | IDE_PROC_DEVSET(bios_head, 0, 255), | |
117 | IDE_PROC_DEVSET(bios_sect, 0, 63), | |
118 | IDE_PROC_DEVSET(failures, 0, 65535), | |
119 | IDE_PROC_DEVSET(lun, 0, 7), | |
120 | IDE_PROC_DEVSET(max_failures, 0, 65535), | |
121 | IDE_PROC_DEVSET(multcount, 0, 16), | |
122 | IDE_PROC_DEVSET(nowerr, 0, 1), | |
123 | IDE_PROC_DEVSET(wcache, 0, 1), | |
71bfc7a7 | 124 | { NULL }, |
06b89518 | 125 | }; |