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