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-rw-r--r--include/linux/sunrpc/debug.h107
1 files changed, 107 insertions, 0 deletions
diff --git a/include/linux/sunrpc/debug.h b/include/linux/sunrpc/debug.h
new file mode 100644
index 000000000..59a7889e1
--- /dev/null
+++ b/include/linux/sunrpc/debug.h
@@ -0,0 +1,107 @@
+/*
+ * linux/include/linux/sunrpc/debug.h
+ *
+ * Debugging support for sunrpc module
+ *
+ * Copyright (C) 1996, Olaf Kirch <okir@monad.swb.de>
+ */
+#ifndef _LINUX_SUNRPC_DEBUG_H_
+#define _LINUX_SUNRPC_DEBUG_H_
+
+#include <uapi/linux/sunrpc/debug.h>
+
+/*
+ * Debugging macros etc
+ */
+#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
+extern unsigned int rpc_debug;
+extern unsigned int nfs_debug;
+extern unsigned int nfsd_debug;
+extern unsigned int nlm_debug;
+#endif
+
+#define dprintk(args...) dfprintk(FACILITY, ## args)
+#define dprintk_rcu(args...) dfprintk_rcu(FACILITY, ## args)
+
+#undef ifdebug
+#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
+# define ifdebug(fac) if (unlikely(rpc_debug & RPCDBG_##fac))
+
+# define dfprintk(fac, args...) \
+ do { \
+ ifdebug(fac) \
+ printk(KERN_DEFAULT args); \
+ } while (0)
+
+# define dfprintk_rcu(fac, args...) \
+ do { \
+ ifdebug(fac) { \
+ rcu_read_lock(); \
+ printk(KERN_DEFAULT args); \
+ rcu_read_unlock(); \
+ } \
+ } while (0)
+
+# define RPC_IFDEBUG(x) x
+#else
+# define ifdebug(fac) if (0)
+# define dfprintk(fac, args...) do {} while (0)
+# define dfprintk_rcu(fac, args...) do {} while (0)
+# define RPC_IFDEBUG(x)
+#endif
+
+/*
+ * Sysctl interface for RPC debugging
+ */
+
+struct rpc_clnt;
+struct rpc_xprt;
+
+#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
+void rpc_register_sysctl(void);
+void rpc_unregister_sysctl(void);
+void sunrpc_debugfs_init(void);
+void sunrpc_debugfs_exit(void);
+void rpc_clnt_debugfs_register(struct rpc_clnt *);
+void rpc_clnt_debugfs_unregister(struct rpc_clnt *);
+void rpc_xprt_debugfs_register(struct rpc_xprt *);
+void rpc_xprt_debugfs_unregister(struct rpc_xprt *);
+#else
+static inline void
+sunrpc_debugfs_init(void)
+{
+ return;
+}
+
+static inline void
+sunrpc_debugfs_exit(void)
+{
+ return;
+}
+
+static inline void
+rpc_clnt_debugfs_register(struct rpc_clnt *clnt)
+{
+ return;
+}
+
+static inline void
+rpc_clnt_debugfs_unregister(struct rpc_clnt *clnt)
+{
+ return;
+}
+
+static inline void
+rpc_xprt_debugfs_register(struct rpc_xprt *xprt)
+{
+ return;
+}
+
+static inline void
+rpc_xprt_debugfs_unregister(struct rpc_xprt *xprt)
+{
+ return;
+}
+#endif
+
+#endif /* _LINUX_SUNRPC_DEBUG_H_ */