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-rw-r--r--include/linux/kmod.h60
-rw-r--r--include/linux/umh.h69
2 files changed, 70 insertions, 59 deletions
diff --git a/include/linux/kmod.h b/include/linux/kmod.h
index 655082c88fd9..40c89ad4bea6 100644
--- a/include/linux/kmod.h
+++ b/include/linux/kmod.h
@@ -19,6 +19,7 @@
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 */ 20 */
21 21
22#include <linux/umh.h>
22#include <linux/gfp.h> 23#include <linux/gfp.h>
23#include <linux/stddef.h> 24#include <linux/stddef.h>
24#include <linux/errno.h> 25#include <linux/errno.h>
@@ -44,63 +45,4 @@ static inline int request_module_nowait(const char *name, ...) { return -ENOSYS;
44#define try_then_request_module(x, mod...) (x) 45#define try_then_request_module(x, mod...) (x)
45#endif 46#endif
46 47
47
48struct cred;
49struct file;
50
51#define UMH_NO_WAIT 0 /* don't wait at all */
52#define UMH_WAIT_EXEC 1 /* wait for the exec, but not the process */
53#define UMH_WAIT_PROC 2 /* wait for the process to complete */
54#define UMH_KILLABLE 4 /* wait for EXEC/PROC killable */
55
56struct subprocess_info {
57 struct work_struct work;
58 struct completion *complete;
59 const char *path;
60 char **argv;
61 char **envp;
62 int wait;
63 int retval;
64 int (*init)(struct subprocess_info *info, struct cred *new);
65 void (*cleanup)(struct subprocess_info *info);
66 void *data;
67} __randomize_layout;
68
69extern int
70call_usermodehelper(const char *path, char **argv, char **envp, int wait);
71
72extern struct subprocess_info *
73call_usermodehelper_setup(const char *path, char **argv, char **envp,
74 gfp_t gfp_mask,
75 int (*init)(struct subprocess_info *info, struct cred *new),
76 void (*cleanup)(struct subprocess_info *), void *data);
77
78extern int
79call_usermodehelper_exec(struct subprocess_info *info, int wait);
80
81extern struct ctl_table usermodehelper_table[];
82
83enum umh_disable_depth {
84 UMH_ENABLED = 0,
85 UMH_FREEZING,
86 UMH_DISABLED,
87};
88
89extern int __usermodehelper_disable(enum umh_disable_depth depth);
90extern void __usermodehelper_set_disable_depth(enum umh_disable_depth depth);
91
92static inline int usermodehelper_disable(void)
93{
94 return __usermodehelper_disable(UMH_DISABLED);
95}
96
97static inline void usermodehelper_enable(void)
98{
99 __usermodehelper_set_disable_depth(UMH_ENABLED);
100}
101
102extern int usermodehelper_read_trylock(void);
103extern long usermodehelper_read_lock_wait(long timeout);
104extern void usermodehelper_read_unlock(void);
105
106#endif /* __LINUX_KMOD_H__ */ 48#endif /* __LINUX_KMOD_H__ */
diff --git a/include/linux/umh.h b/include/linux/umh.h
new file mode 100644
index 000000000000..244aff638220
--- /dev/null
+++ b/include/linux/umh.h
@@ -0,0 +1,69 @@
1#ifndef __LINUX_UMH_H__
2#define __LINUX_UMH_H__
3
4#include <linux/gfp.h>
5#include <linux/stddef.h>
6#include <linux/errno.h>
7#include <linux/compiler.h>
8#include <linux/workqueue.h>
9#include <linux/sysctl.h>
10
11struct cred;
12struct file;
13
14#define UMH_NO_WAIT 0 /* don't wait at all */
15#define UMH_WAIT_EXEC 1 /* wait for the exec, but not the process */
16#define UMH_WAIT_PROC 2 /* wait for the process to complete */
17#define UMH_KILLABLE 4 /* wait for EXEC/PROC killable */
18
19struct subprocess_info {
20 struct work_struct work;
21 struct completion *complete;
22 const char *path;
23 char **argv;
24 char **envp;
25 int wait;
26 int retval;
27 int (*init)(struct subprocess_info *info, struct cred *new);
28 void (*cleanup)(struct subprocess_info *info);
29 void *data;
30} __randomize_layout;
31
32extern int
33call_usermodehelper(const char *path, char **argv, char **envp, int wait);
34
35extern struct subprocess_info *
36call_usermodehelper_setup(const char *path, char **argv, char **envp,
37 gfp_t gfp_mask,
38 int (*init)(struct subprocess_info *info, struct cred *new),
39 void (*cleanup)(struct subprocess_info *), void *data);
40
41extern int
42call_usermodehelper_exec(struct subprocess_info *info, int wait);
43
44extern struct ctl_table usermodehelper_table[];
45
46enum umh_disable_depth {
47 UMH_ENABLED = 0,
48 UMH_FREEZING,
49 UMH_DISABLED,
50};
51
52extern int __usermodehelper_disable(enum umh_disable_depth depth);
53extern void __usermodehelper_set_disable_depth(enum umh_disable_depth depth);
54
55static inline int usermodehelper_disable(void)
56{
57 return __usermodehelper_disable(UMH_DISABLED);
58}
59
60static inline void usermodehelper_enable(void)
61{
62 __usermodehelper_set_disable_depth(UMH_ENABLED);
63}
64
65extern int usermodehelper_read_trylock(void);
66extern long usermodehelper_read_lock_wait(long timeout);
67extern void usermodehelper_read_unlock(void);
68
69#endif /* __LINUX_UMH_H__ */
generated by cgit v1.2.2 (git 2.25.0) at 2026-03-15 16:37:20 -0400