Commit | Line | Data |
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06b89518 BZ |
1 | #include <linux/kernel.h> |
2 | #include <linux/ide.h> | |
5a0e3ad6 | 3 | #include <linux/slab.h> |
6d703a81 | 4 | #include <linux/seq_file.h> |
06b89518 BZ |
5 | |
6 | #include "ide-disk.h" | |
7 | ||
8 | static int smart_enable(ide_drive_t *drive) | |
9 | { | |
22aa4b32 BZ |
10 | struct ide_cmd cmd; |
11 | struct ide_taskfile *tf = &cmd.tf; | |
06b89518 | 12 | |
22aa4b32 | 13 | memset(&cmd, 0, sizeof(cmd)); |
06b89518 BZ |
14 | tf->feature = ATA_SMART_ENABLE; |
15 | tf->lbam = ATA_SMART_LBAM_PASS; | |
16 | tf->lbah = ATA_SMART_LBAH_PASS; | |
17 | tf->command = ATA_CMD_SMART; | |
60f85019 SS |
18 | cmd.valid.out.tf = IDE_VALID_OUT_TF | IDE_VALID_DEVICE; |
19 | cmd.valid.in.tf = IDE_VALID_IN_TF | IDE_VALID_DEVICE; | |
22aa4b32 BZ |
20 | |
21 | return ide_no_data_taskfile(drive, &cmd); | |
06b89518 BZ |
22 | } |
23 | ||
24 | static int get_smart_data(ide_drive_t *drive, u8 *buf, u8 sub_cmd) | |
25 | { | |
22aa4b32 BZ |
26 | struct ide_cmd cmd; |
27 | struct ide_taskfile *tf = &cmd.tf; | |
06b89518 | 28 | |
22aa4b32 | 29 | memset(&cmd, 0, sizeof(cmd)); |
06b89518 BZ |
30 | tf->feature = sub_cmd; |
31 | tf->nsect = 0x01; | |
32 | tf->lbam = ATA_SMART_LBAM_PASS; | |
33 | tf->lbah = ATA_SMART_LBAH_PASS; | |
34 | tf->command = ATA_CMD_SMART; | |
60f85019 SS |
35 | cmd.valid.out.tf = IDE_VALID_OUT_TF | IDE_VALID_DEVICE; |
36 | cmd.valid.in.tf = IDE_VALID_IN_TF | IDE_VALID_DEVICE; | |
0dfb991c | 37 | cmd.protocol = ATA_PROT_PIO; |
39375853 | 38 | |
22aa4b32 | 39 | return ide_raw_taskfile(drive, &cmd, buf, 1); |
06b89518 BZ |
40 | } |
41 | ||
6d703a81 | 42 | static int idedisk_cache_proc_show(struct seq_file *m, void *v) |
06b89518 | 43 | { |
6d703a81 | 44 | ide_drive_t *drive = (ide_drive_t *) m->private; |
06b89518 BZ |
45 | |
46 | if (drive->dev_flags & IDE_DFLAG_ID_READ) | |
6d703a81 | 47 | seq_printf(m, "%i\n", drive->id[ATA_ID_BUF_SIZE] / 2); |
06b89518 | 48 | else |
6d703a81 AD |
49 | seq_printf(m, "(none)\n"); |
50 | return 0; | |
51 | } | |
06b89518 | 52 | |
6d703a81 AD |
53 | static int idedisk_cache_proc_open(struct inode *inode, struct file *file) |
54 | { | |
55 | return single_open(file, idedisk_cache_proc_show, PDE(inode)->data); | |
06b89518 BZ |
56 | } |
57 | ||
6d703a81 AD |
58 | static const struct file_operations idedisk_cache_proc_fops = { |
59 | .owner = THIS_MODULE, | |
60 | .open = idedisk_cache_proc_open, | |
61 | .read = seq_read, | |
62 | .llseek = seq_lseek, | |
63 | .release = single_release, | |
64 | }; | |
65 | ||
66 | static int idedisk_capacity_proc_show(struct seq_file *m, void *v) | |
06b89518 | 67 | { |
6d703a81 | 68 | ide_drive_t*drive = (ide_drive_t *)m->private; |
06b89518 | 69 | |
6d703a81 AD |
70 | seq_printf(m, "%llu\n", (long long)ide_gd_capacity(drive)); |
71 | return 0; | |
72 | } | |
06b89518 | 73 | |
6d703a81 AD |
74 | static int idedisk_capacity_proc_open(struct inode *inode, struct file *file) |
75 | { | |
76 | return single_open(file, idedisk_capacity_proc_show, PDE(inode)->data); | |
06b89518 BZ |
77 | } |
78 | ||
6d703a81 AD |
79 | static const struct file_operations idedisk_capacity_proc_fops = { |
80 | .owner = THIS_MODULE, | |
81 | .open = idedisk_capacity_proc_open, | |
82 | .read = seq_read, | |
83 | .llseek = seq_lseek, | |
84 | .release = single_release, | |
85 | }; | |
86 | ||
87 | static int __idedisk_proc_show(struct seq_file *m, ide_drive_t *drive, u8 sub_cmd) | |
06b89518 | 88 | { |
6d703a81 AD |
89 | u8 *buf; |
90 | ||
91 | buf = kmalloc(SECTOR_SIZE, GFP_KERNEL); | |
92 | if (!buf) | |
93 | return -ENOMEM; | |
06b89518 | 94 | |
39375853 BZ |
95 | (void)smart_enable(drive); |
96 | ||
6d703a81 AD |
97 | if (get_smart_data(drive, buf, sub_cmd) == 0) { |
98 | __le16 *val = (__le16 *)buf; | |
99 | int i; | |
100 | ||
101 | for (i = 0; i < SECTOR_SIZE / 2; i++) { | |
102 | seq_printf(m, "%04x%c", le16_to_cpu(val[i]), | |
103 | (i % 8) == 7 ? '\n' : ' '); | |
104 | } | |
06b89518 | 105 | } |
6d703a81 AD |
106 | kfree(buf); |
107 | return 0; | |
108 | } | |
06b89518 | 109 | |
6d703a81 AD |
110 | static int idedisk_sv_proc_show(struct seq_file *m, void *v) |
111 | { | |
112 | return __idedisk_proc_show(m, m->private, ATA_SMART_READ_VALUES); | |
06b89518 BZ |
113 | } |
114 | ||
6d703a81 | 115 | static int idedisk_sv_proc_open(struct inode *inode, struct file *file) |
06b89518 | 116 | { |
6d703a81 | 117 | return single_open(file, idedisk_sv_proc_show, PDE(inode)->data); |
06b89518 BZ |
118 | } |
119 | ||
6d703a81 AD |
120 | static const struct file_operations idedisk_sv_proc_fops = { |
121 | .owner = THIS_MODULE, | |
122 | .open = idedisk_sv_proc_open, | |
123 | .read = seq_read, | |
124 | .llseek = seq_lseek, | |
125 | .release = single_release, | |
126 | }; | |
127 | ||
128 | static int idedisk_st_proc_show(struct seq_file *m, void *v) | |
06b89518 | 129 | { |
6d703a81 | 130 | return __idedisk_proc_show(m, m->private, ATA_SMART_READ_THRESHOLDS); |
06b89518 BZ |
131 | } |
132 | ||
6d703a81 AD |
133 | static int idedisk_st_proc_open(struct inode *inode, struct file *file) |
134 | { | |
135 | return single_open(file, idedisk_st_proc_show, PDE(inode)->data); | |
136 | } | |
137 | ||
138 | static const struct file_operations idedisk_st_proc_fops = { | |
139 | .owner = THIS_MODULE, | |
140 | .open = idedisk_st_proc_open, | |
141 | .read = seq_read, | |
142 | .llseek = seq_lseek, | |
143 | .release = single_release, | |
144 | }; | |
145 | ||
06b89518 | 146 | ide_proc_entry_t ide_disk_proc[] = { |
6d703a81 AD |
147 | { "cache", S_IFREG|S_IRUGO, &idedisk_cache_proc_fops }, |
148 | { "capacity", S_IFREG|S_IRUGO, &idedisk_capacity_proc_fops }, | |
149 | { "geometry", S_IFREG|S_IRUGO, &ide_geometry_proc_fops }, | |
150 | { "smart_values", S_IFREG|S_IRUSR, &idedisk_sv_proc_fops }, | |
151 | { "smart_thresholds", S_IFREG|S_IRUSR, &idedisk_st_proc_fops }, | |
152 | {} | |
06b89518 BZ |
153 | }; |
154 | ||
155 | ide_devset_rw_field(bios_cyl, bios_cyl); | |
156 | ide_devset_rw_field(bios_head, bios_head); | |
157 | ide_devset_rw_field(bios_sect, bios_sect); | |
158 | ide_devset_rw_field(failures, failures); | |
159 | ide_devset_rw_field(lun, lun); | |
160 | ide_devset_rw_field(max_failures, max_failures); | |
161 | ||
162 | const struct ide_proc_devset ide_disk_settings[] = { | |
163 | IDE_PROC_DEVSET(acoustic, 0, 254), | |
164 | IDE_PROC_DEVSET(address, 0, 2), | |
165 | IDE_PROC_DEVSET(bios_cyl, 0, 65535), | |
166 | IDE_PROC_DEVSET(bios_head, 0, 255), | |
167 | IDE_PROC_DEVSET(bios_sect, 0, 63), | |
168 | IDE_PROC_DEVSET(failures, 0, 65535), | |
169 | IDE_PROC_DEVSET(lun, 0, 7), | |
170 | IDE_PROC_DEVSET(max_failures, 0, 65535), | |
171 | IDE_PROC_DEVSET(multcount, 0, 16), | |
172 | IDE_PROC_DEVSET(nowerr, 0, 1), | |
173 | IDE_PROC_DEVSET(wcache, 0, 1), | |
71bfc7a7 | 174 | { NULL }, |
06b89518 | 175 | }; |