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authorIngo Molnar <mingo@elte.hu>2008-07-25 11:37:07 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-25 11:37:07 +0200
commit0e2f65ee30eee2db054f7fd73f462c5da33ec963 (patch)
tree26c61eb7745da0c0d9135e9d12088f570cb8530d /include/linux/sysdev.h
parentda7878d75b8520c9ae00d27dfbbce546a7bfdfbb (diff)
parentfb2e405fc1fc8b20d9c78eaa1c7fd5a297efde43 (diff)
Merge branch 'linus' into x86/pebs
Conflicts: arch/x86/Kconfig.cpu arch/x86/kernel/cpu/intel.c arch/x86/kernel/setup_64.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/sysdev.h')
-rw-r--r--include/linux/sysdev.h39
1 files changed, 37 insertions, 2 deletions
diff --git a/include/linux/sysdev.h b/include/linux/sysdev.h
index f2767bc6b73..f395bb3fa2f 100644
--- a/include/linux/sysdev.h
+++ b/include/linux/sysdev.h
@@ -99,8 +99,9 @@ extern void sysdev_unregister(struct sys_device *);
struct sysdev_attribute {
struct attribute attr;
- ssize_t (*show)(struct sys_device *, char *);
- ssize_t (*store)(struct sys_device *, const char *, size_t);
+ ssize_t (*show)(struct sys_device *, struct sysdev_attribute *, char *);
+ ssize_t (*store)(struct sys_device *, struct sysdev_attribute *,
+ const char *, size_t);
};
@@ -118,4 +119,38 @@ struct sysdev_attribute {
extern int sysdev_create_file(struct sys_device *, struct sysdev_attribute *);
extern void sysdev_remove_file(struct sys_device *, struct sysdev_attribute *);
+struct sysdev_ext_attribute {
+ struct sysdev_attribute attr;
+ void *var;
+};
+
+/*
+ * Support for simple variable sysdev attributes.
+ * The pointer to the variable is stored in a sysdev_ext_attribute
+ */
+
+/* Add more types as needed */
+
+extern ssize_t sysdev_show_ulong(struct sys_device *, struct sysdev_attribute *,
+ char *);
+extern ssize_t sysdev_store_ulong(struct sys_device *,
+ struct sysdev_attribute *, const char *, size_t);
+extern ssize_t sysdev_show_int(struct sys_device *, struct sysdev_attribute *,
+ char *);
+extern ssize_t sysdev_store_int(struct sys_device *,
+ struct sysdev_attribute *, const char *, size_t);
+
+#define _SYSDEV_ULONG_ATTR(_name, _mode, _var) \
+ { _SYSDEV_ATTR(_name, _mode, sysdev_show_ulong, sysdev_store_ulong), \
+ &(_var) }
+#define SYSDEV_ULONG_ATTR(_name, _mode, _var) \
+ struct sysdev_ext_attribute attr_##_name = \
+ _SYSDEV_ULONG_ATTR(_name, _mode, _var);
+#define _SYSDEV_INT_ATTR(_name, _mode, _var) \
+ { _SYSDEV_ATTR(_name, _mode, sysdev_show_int, sysdev_store_int), \
+ &(_var) }
+#define SYSDEV_INT_ATTR(_name, _mode, _var) \
+ struct sysdev_ext_attribute attr_##_name = \
+ _SYSDEV_INT_ATTR(_name, _mode, _var);
+
#endif /* _SYSDEV_H_ */