Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 160 insertions, 0 deletions

diff --git a/fs/smb/client/cifs_debug.h b/fs/smb/client/cifs_debug.h
new file mode 100644
index 000000000..ce5cfd236
--- /dev/null
+++ b/fs/smb/client/cifs_debug.h
@@ -0,0 +1,160 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ *
+ *   Copyright (c) International Business Machines  Corp., 2000,2002
+ *   Modified by Steve French (sfrench@us.ibm.com)
+ */
+
+#ifndef _H_CIFS_DEBUG
+#define _H_CIFS_DEBUG
+
+#ifdef pr_fmt
+#undef pr_fmt
+#endif
+
+#define pr_fmt(fmt) "CIFS: " fmt
+
+void cifs_dump_mem(char *label, void *data, int length);
+void cifs_dump_detail(void *buf, struct TCP_Server_Info *ptcp_info);
+void cifs_dump_mids(struct TCP_Server_Info *);
+extern bool traceSMB;		/* flag which enables the function below */
+void dump_smb(void *, int);
+#define CIFS_INFO	0x01
+#define CIFS_RC		0x02
+#define CIFS_TIMER	0x04
+
+#define VFS 1
+#define FYI 2
+extern int cifsFYI;
+#ifdef CONFIG_CIFS_DEBUG2
+#define NOISY 4
+#else
+#define NOISY 0
+#endif
+#define ONCE 8
+
+/*
+ *	debug ON
+ *	--------
+ */
+#ifdef CONFIG_CIFS_DEBUG
+
+
+/*
+ * When adding tracepoints and debug messages we have various choices.
+ * Some considerations:
+ *
+ * Use cifs_dbg(VFS, ...) for things we always want logged, and the user to see
+ *     cifs_info(...) slightly less important, admin can filter via loglevel > 6
+ *     cifs_dbg(FYI, ...) minor debugging messages, off by default
+ *     trace_smb3_*  ftrace functions are preferred for complex debug messages
+ *                 intended for developers or experienced admins, off by default
+ */
+
+/* Information level messages, minor events */
+#define cifs_info_func(ratefunc, fmt, ...)				\
+	pr_info_ ## ratefunc(fmt, ##__VA_ARGS__)
+
+#define cifs_info(fmt, ...)						\
+	cifs_info_func(ratelimited, fmt, ##__VA_ARGS__)
+
+/* information message: e.g., configuration, major event */
+#define cifs_dbg_func(ratefunc, type, fmt, ...)				\
+do {									\
+	if ((type) & FYI && cifsFYI & CIFS_INFO) {			\
+		pr_debug_ ## ratefunc("%s: " fmt,			\
+				      __FILE__, ##__VA_ARGS__);		\
+	} else if ((type) & VFS) {					\
+		pr_err_ ## ratefunc("VFS: " fmt, ##__VA_ARGS__);	\
+	} else if ((type) & NOISY && (NOISY != 0)) {			\
+		pr_debug_ ## ratefunc(fmt, ##__VA_ARGS__);		\
+	}								\
+} while (0)
+
+#define cifs_dbg(type, fmt, ...)					\
+do {									\
+	if ((type) & ONCE)						\
+		cifs_dbg_func(once, type, fmt, ##__VA_ARGS__);		\
+	else								\
+		cifs_dbg_func(ratelimited, type, fmt, ##__VA_ARGS__);	\
+} while (0)
+
+#define cifs_server_dbg_func(ratefunc, type, fmt, ...)			\
+do {									\
+	spin_lock(&server->srv_lock);					\
+	if ((type) & FYI && cifsFYI & CIFS_INFO) {			\
+		pr_debug_ ## ratefunc("%s: \\\\%s " fmt,		\
+				      __FILE__, server->hostname,	\
+				      ##__VA_ARGS__);			\
+	} else if ((type) & VFS) {					\
+		pr_err_ ## ratefunc("VFS: \\\\%s " fmt,			\
+				    server->hostname, ##__VA_ARGS__);	\
+	} else if ((type) & NOISY && (NOISY != 0)) {			\
+		pr_debug_ ## ratefunc("\\\\%s " fmt,			\
+				      server->hostname, ##__VA_ARGS__);	\
+	}								\
+	spin_unlock(&server->srv_lock);					\
+} while (0)
+
+#define cifs_server_dbg(type, fmt, ...)					\
+do {									\
+	if ((type) & ONCE)						\
+		cifs_server_dbg_func(once, type, fmt, ##__VA_ARGS__);	\
+	else								\
+		cifs_server_dbg_func(ratelimited, type, fmt,		\
+				     ##__VA_ARGS__);			\
+} while (0)
+
+#define cifs_tcon_dbg_func(ratefunc, type, fmt, ...)			\
+do {									\
+	const char *tn = "";						\
+	if (tcon && tcon->tree_name)					\
+		tn = tcon->tree_name;					\
+	if ((type) & FYI && cifsFYI & CIFS_INFO) {			\
+		pr_debug_ ## ratefunc("%s: %s "	fmt,			\
+				      __FILE__, tn, ##__VA_ARGS__);	\
+	} else if ((type) & VFS) {					\
+		pr_err_ ## ratefunc("VFS: %s " fmt, tn, ##__VA_ARGS__);	\
+	} else if ((type) & NOISY && (NOISY != 0)) {			\
+		pr_debug_ ## ratefunc("%s " fmt, tn, ##__VA_ARGS__);	\
+	}								\
+} while (0)
+
+#define cifs_tcon_dbg(type, fmt, ...)					\
+do {									\
+	if ((type) & ONCE)						\
+		cifs_tcon_dbg_func(once, type, fmt, ##__VA_ARGS__);	\
+	else								\
+		cifs_tcon_dbg_func(ratelimited, type, fmt,		\
+				   ##__VA_ARGS__);			\
+} while (0)
+
+/*
+ *	debug OFF
+ *	---------
+ */
+#else		/* _CIFS_DEBUG */
+#define cifs_dbg(type, fmt, ...)					\
+do {									\
+	if (0)								\
+		pr_debug(fmt, ##__VA_ARGS__);				\
+} while (0)
+
+#define cifs_server_dbg(type, fmt, ...)					\
+do {									\
+	if (0)								\
+		pr_debug("\\\\%s " fmt,					\
+			 server->hostname, ##__VA_ARGS__);		\
+} while (0)
+
+#define cifs_tcon_dbg(type, fmt, ...)					\
+do {									\
+	if (0)								\
+		pr_debug("%s " fmt, tcon->tree_name, ##__VA_ARGS__);	\
+} while (0)
+
+#define cifs_info(fmt, ...)						\
+	pr_info(fmt, ##__VA_ARGS__)
+#endif
+
+#endif				/* _H_CIFS_DEBUG */