Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
[pandora-kernel.git] / include / linux / kmod.h
index facb27f..6efd7a7 100644 (file)
@@ -23,6 +23,7 @@
 #include <linux/stddef.h>
 #include <linux/errno.h>
 #include <linux/compiler.h>
+#include <linux/workqueue.h>
 
 #define KMOD_PATH_LEN 256
 
@@ -45,19 +46,6 @@ static inline int request_module_nowait(const char *name, ...) { return -ENOSYS;
 
 struct key;
 struct file;
-struct subprocess_info;
-
-/* Allocate a subprocess_info structure */
-struct subprocess_info *call_usermodehelper_setup(char *path, char **argv,
-                                                 char **envp, gfp_t gfp_mask);
-
-/* Set various pieces of state into the subprocess_info structure */
-void call_usermodehelper_setkeys(struct subprocess_info *info,
-                                struct key *session_keyring);
-int call_usermodehelper_stdinpipe(struct subprocess_info *sub_info,
-                                 struct file **filp);
-void call_usermodehelper_setcleanup(struct subprocess_info *info,
-                                   void (*cleanup)(char **argv, char **envp));
 
 enum umh_wait {
        UMH_NO_WAIT = -1,       /* don't wait at all */
@@ -65,6 +53,29 @@ enum umh_wait {
        UMH_WAIT_PROC = 1,      /* wait for the process to complete */
 };
 
+struct subprocess_info {
+       struct work_struct work;
+       struct completion *complete;
+       char *path;
+       char **argv;
+       char **envp;
+       enum umh_wait wait;
+       int retval;
+       int (*init)(struct subprocess_info *info);
+       void (*cleanup)(struct subprocess_info *info);
+       void *data;
+};
+
+/* Allocate a subprocess_info structure */
+struct subprocess_info *call_usermodehelper_setup(char *path, char **argv,
+                                                 char **envp, gfp_t gfp_mask);
+
+/* Set various pieces of state into the subprocess_info structure */
+void call_usermodehelper_setfns(struct subprocess_info *info,
+                   int (*init)(struct subprocess_info *info),
+                   void (*cleanup)(struct subprocess_info *info),
+                   void *data);
+
 /* Actually execute the sub-process */
 int call_usermodehelper_exec(struct subprocess_info *info, enum umh_wait wait);
 
@@ -73,38 +84,33 @@ int call_usermodehelper_exec(struct subprocess_info *info, enum umh_wait wait);
 void call_usermodehelper_freeinfo(struct subprocess_info *info);
 
 static inline int
-call_usermodehelper(char *path, char **argv, char **envp, enum umh_wait wait)
+call_usermodehelper_fns(char *path, char **argv, char **envp,
+                       enum umh_wait wait,
+                       int (*init)(struct subprocess_info *info),
+                       void (*cleanup)(struct subprocess_info *), void *data)
 {
        struct subprocess_info *info;
        gfp_t gfp_mask = (wait == UMH_NO_WAIT) ? GFP_ATOMIC : GFP_KERNEL;
 
        info = call_usermodehelper_setup(path, argv, envp, gfp_mask);
+
        if (info == NULL)
                return -ENOMEM;
+
+       call_usermodehelper_setfns(info, init, cleanup, data);
+
        return call_usermodehelper_exec(info, wait);
 }
 
 static inline int
-call_usermodehelper_keys(char *path, char **argv, char **envp,
-                        struct key *session_keyring, enum umh_wait wait)
+call_usermodehelper(char *path, char **argv, char **envp, enum umh_wait wait)
 {
-       struct subprocess_info *info;
-       gfp_t gfp_mask = (wait == UMH_NO_WAIT) ? GFP_ATOMIC : GFP_KERNEL;
-
-       info = call_usermodehelper_setup(path, argv, envp, gfp_mask);
-       if (info == NULL)
-               return -ENOMEM;
-
-       call_usermodehelper_setkeys(info, session_keyring);
-       return call_usermodehelper_exec(info, wait);
+       return call_usermodehelper_fns(path, argv, envp, wait,
+                                      NULL, NULL, NULL);
 }
 
 extern void usermodehelper_init(void);
 
-struct file;
-extern int call_usermodehelper_pipe(char *path, char *argv[], char *envp[],
-                                   struct file **filp);
-
 extern int usermodehelper_disable(void);
 extern void usermodehelper_enable(void);