Header file for Suspend2 proc entries - define the data structure used to
define our proc entries, flags and the register/unregister routines.
Signed-off-by: Nigel Cunningham <[email protected]>
kernel/power/proc.h | 76 +++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 76 insertions(+), 0 deletions(-)
diff --git a/kernel/power/proc.h b/kernel/power/proc.h
new file mode 100644
index 0000000..688f8d2
--- /dev/null
+++ b/kernel/power/proc.h
@@ -0,0 +1,76 @@
+/*
+ * kernel/power/proc.h
+ *
+ * Copyright (C) 2004-2006 Nigel Cunningham <[email protected]>
+ *
+ * This file is released under the GPLv2.
+ *
+ * It provides declarations for suspend to use in managing
+ * /proc/suspend2. When we switch to kobjects,
+ * this will become redundant.
+ *
+ */
+
+#include <linux/proc_fs.h>
+
+struct suspend_proc_data {
+ char *filename;
+ int permissions;
+ int type;
+ int needs_storage_manager;
+ union {
+ struct {
+ unsigned long *bit_vector;
+ int bit;
+ } bit;
+ struct {
+ int *variable;
+ int minimum;
+ int maximum;
+ } integer;
+ struct {
+ long *variable;
+ long minimum;
+ long maximum;
+ } a_long;
+ struct {
+ unsigned long *variable;
+ unsigned long minimum;
+ unsigned long maximum;
+ } ul;
+ struct {
+ char *variable;
+ int max_length;
+ } string;
+ struct {
+ read_proc_t *read_proc;
+ write_proc_t *write_proc;
+ void *data;
+ } special;
+ } data;
+
+ /* Side effects routines. Used, eg, for reparsing the
+ * resume2 entry when it changes */
+ void (*read_proc) (void);
+ void (*write_proc) (void);
+ struct list_head proc_data_list;
+};
+
+enum {
+ SUSPEND_PROC_DATA_NONE,
+ SUSPEND_PROC_DATA_CUSTOM,
+ SUSPEND_PROC_DATA_BIT,
+ SUSPEND_PROC_DATA_INTEGER,
+ SUSPEND_PROC_DATA_UL,
+ SUSPEND_PROC_DATA_LONG,
+ SUSPEND_PROC_DATA_STRING
+};
+
+#define PROC_WRITEONLY 0200
+#define PROC_READONLY 0400
+#define PROC_RW 0600
+
+struct proc_dir_entry *suspend_register_procfile(
+ struct suspend_proc_data *suspend_proc_data);
+void suspend_unregister_procfile(struct suspend_proc_data *suspend_proc_data);
+
--
Nigel Cunningham nigel at suspend2 dot net
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