| /* |
| * 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 */ |