[PATCH] ahci: clean up AHCI constants in preparation for NCQ
[linux-2.6] / drivers / scsi / scsi_sysctl.c
1 /*
2  * Copyright (C) 2003 Christoph Hellwig.
3  *      Released under GPL v2.
4  */
5
6 #include <linux/errno.h>
7 #include <linux/init.h>
8 #include <linux/kernel.h>
9 #include <linux/sysctl.h>
10
11 #include "scsi_logging.h"
12
13
14 static ctl_table scsi_table[] = {
15         { .ctl_name     = DEV_SCSI_LOGGING_LEVEL,
16           .procname     = "logging_level",
17           .data         = &scsi_logging_level,
18           .maxlen       = sizeof(scsi_logging_level),
19           .mode         = 0644,
20           .proc_handler = &proc_dointvec },
21         { }
22 };
23
24 static ctl_table scsi_dir_table[] = {
25         { .ctl_name     = DEV_SCSI,
26           .procname     = "scsi",
27           .mode         = 0555,
28           .child        = scsi_table },
29         { }
30 };
31
32 static ctl_table scsi_root_table[] = {
33         { .ctl_name     = CTL_DEV,
34           .procname     = "dev",
35           .mode         = 0555,
36           .child        = scsi_dir_table },
37         { }
38 };
39
40 static struct ctl_table_header *scsi_table_header;
41
42 int __init scsi_init_sysctl(void)
43 {
44         scsi_table_header = register_sysctl_table(scsi_root_table, 1);
45         if (!scsi_table_header)
46                 return -ENOMEM;
47         return 0;
48 }
49
50 void scsi_exit_sysctl(void)
51 {
52         unregister_sysctl_table(scsi_table_header);
53 }