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