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/*
* drivers/vservices/debug.h
*
* Copyright (c) 2012-2018 General Dynamics
* Copyright (c) 2014 Open Kernel Labs, Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* Debugging macros and support functions for Virtual Services.
*/
#ifndef _VSERVICES_DEBUG_H
#define _VSERVICES_DEBUG_H
#include <linux/version.h>
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 38)
#include <linux/printk.h>
#else
#ifndef no_printk
#define no_printk(format, args...) do { } while (0)
#endif
#endif
#include <vservices/session.h>
#include "transport.h"
#define VS_DEBUG_TRANSPORT (1 << 0)
#define VS_DEBUG_TRANSPORT_MESSAGES (1 << 1)
#define VS_DEBUG_SESSION (1 << 2)
#define VS_DEBUG_CLIENT (1 << 3)
#define VS_DEBUG_CLIENT_CORE (1 << 4)
#define VS_DEBUG_SERVER (1 << 5)
#define VS_DEBUG_SERVER_CORE (1 << 6)
#define VS_DEBUG_PROTOCOL (1 << 7)
#define VS_DEBUG_ALL 0xff
#ifdef CONFIG_VSERVICES_DEBUG
#define vs_debug(type, session, format, args...) \
do { \
if ((session)->debug_mask & (type)) \
dev_dbg(&(session)->dev, format, ##args); \
} while (0)
#define vs_dev_debug(type, session, dev, format, args...) \
do { \
if ((session)->debug_mask & (type)) \
dev_dbg(dev, format, ##args); \
} while (0)
static inline void vs_debug_dump_mbuf(struct vs_session_device *session,
struct vs_mbuf *mbuf)
{
if (session->debug_mask & VS_DEBUG_TRANSPORT_MESSAGES)
print_hex_dump_bytes("msg:", DUMP_PREFIX_OFFSET,
mbuf->data, mbuf->size);
}
#else
/* Dummy versions: Use no_printk to retain type/format string checking */
#define vs_debug(type, session, format, args...) \
do { (void)session; no_printk(format, ##args); } while(0)
#define vs_dev_debug(type, session, dev, format, args...) \
do { (void)session; (void)dev; no_printk(format, ##args); } while(0)
static inline void vs_debug_dump_mbuf(struct vs_session_device *session,
struct vs_mbuf *mbuf) {}
#endif /* CONFIG_VSERVICES_DEBUG */
#endif /* _VSERVICES_DEBUG_H */
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