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08dfb4dd AM |
1 | #include <linux/kernel.h> |
2 | #include <linux/module.h> | |
3 | ||
4 | #include <asm/pSeries_reconfig.h> | |
5 | ||
6 | #include "notifier-error-inject.h" | |
7 | ||
8 | static int priority; | |
9 | module_param(priority, int, 0); | |
10 | MODULE_PARM_DESC(priority, "specify pSeries reconfig notifier priority"); | |
11 | ||
12 | static struct notifier_err_inject reconfig_err_inject = { | |
13 | .actions = { | |
14 | { NOTIFIER_ERR_INJECT_ACTION(PSERIES_RECONFIG_ADD) }, | |
15 | { NOTIFIER_ERR_INJECT_ACTION(PSERIES_RECONFIG_REMOVE) }, | |
16 | { NOTIFIER_ERR_INJECT_ACTION(PSERIES_DRCONF_MEM_ADD) }, | |
17 | { NOTIFIER_ERR_INJECT_ACTION(PSERIES_DRCONF_MEM_REMOVE) }, | |
18 | {} | |
19 | } | |
20 | }; | |
21 | ||
22 | static struct dentry *dir; | |
23 | ||
24 | static int err_inject_init(void) | |
25 | { | |
26 | int err; | |
27 | ||
28 | dir = notifier_err_inject_init("pSeries-reconfig", | |
29 | notifier_err_inject_dir, &reconfig_err_inject, priority); | |
30 | if (IS_ERR(dir)) | |
31 | return PTR_ERR(dir); | |
32 | ||
33 | err = pSeries_reconfig_notifier_register(&reconfig_err_inject.nb); | |
34 | if (err) | |
35 | debugfs_remove_recursive(dir); | |
36 | ||
37 | return err; | |
38 | } | |
39 | ||
40 | static void err_inject_exit(void) | |
41 | { | |
42 | pSeries_reconfig_notifier_unregister(&reconfig_err_inject.nb); | |
43 | debugfs_remove_recursive(dir); | |
44 | } | |
45 | ||
46 | module_init(err_inject_init); | |
47 | module_exit(err_inject_exit); | |
48 | ||
49 | MODULE_DESCRIPTION("pSeries reconfig notifier error injection module"); | |
50 | MODULE_LICENSE("GPL"); | |
51 | MODULE_AUTHOR("Akinobu Mita <akinobu.mita@gmail.com>"); |