xref: /OK3568_Linux_fs/kernel/drivers/infiniband/hw/usnic/usnic_log.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright (c) 2013, Cisco Systems, Inc. All rights reserved.
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * This software is available to you under a choice of one of two
5*4882a593Smuzhiyun  * licenses.  You may choose to be licensed under the terms of the GNU
6*4882a593Smuzhiyun  * General Public License (GPL) Version 2, available from the file
7*4882a593Smuzhiyun  * COPYING in the main directory of this source tree, or the
8*4882a593Smuzhiyun  * BSD license below:
9*4882a593Smuzhiyun  *
10*4882a593Smuzhiyun  *     Redistribution and use in source and binary forms, with or
11*4882a593Smuzhiyun  *     without modification, are permitted provided that the following
12*4882a593Smuzhiyun  *     conditions are met:
13*4882a593Smuzhiyun  *
14*4882a593Smuzhiyun  *      - Redistributions of source code must retain the above
15*4882a593Smuzhiyun  *        copyright notice, this list of conditions and the following
16*4882a593Smuzhiyun  *        disclaimer.
17*4882a593Smuzhiyun  *
18*4882a593Smuzhiyun  *      - Redistributions in binary form must reproduce the above
19*4882a593Smuzhiyun  *        copyright notice, this list of conditions and the following
20*4882a593Smuzhiyun  *        disclaimer in the documentation and/or other materials
21*4882a593Smuzhiyun  *        provided with the distribution.
22*4882a593Smuzhiyun  *
23*4882a593Smuzhiyun  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24*4882a593Smuzhiyun  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25*4882a593Smuzhiyun  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26*4882a593Smuzhiyun  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27*4882a593Smuzhiyun  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28*4882a593Smuzhiyun  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29*4882a593Smuzhiyun  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30*4882a593Smuzhiyun  * SOFTWARE.
31*4882a593Smuzhiyun  *
32*4882a593Smuzhiyun  */
33*4882a593Smuzhiyun 
34*4882a593Smuzhiyun #ifndef USNIC_LOG_H_
35*4882a593Smuzhiyun #define USNIC_LOG_H_
36*4882a593Smuzhiyun 
37*4882a593Smuzhiyun #include "usnic.h"
38*4882a593Smuzhiyun 
39*4882a593Smuzhiyun extern unsigned int usnic_log_lvl;
40*4882a593Smuzhiyun 
41*4882a593Smuzhiyun #define USNIC_LOG_LVL_NONE		(0)
42*4882a593Smuzhiyun #define USNIC_LOG_LVL_ERR		(1)
43*4882a593Smuzhiyun #define USNIC_LOG_LVL_INFO		(2)
44*4882a593Smuzhiyun #define USNIC_LOG_LVL_DBG		(3)
45*4882a593Smuzhiyun 
46*4882a593Smuzhiyun #define usnic_printk(lvl, args...) \
47*4882a593Smuzhiyun 	do { \
48*4882a593Smuzhiyun 		printk(lvl "%s:%s:%d: ", DRV_NAME, __func__, \
49*4882a593Smuzhiyun 				__LINE__); \
50*4882a593Smuzhiyun 		printk(args); \
51*4882a593Smuzhiyun 	} while (0)
52*4882a593Smuzhiyun 
53*4882a593Smuzhiyun #define usnic_dbg(args...) \
54*4882a593Smuzhiyun 	do { \
55*4882a593Smuzhiyun 		if (unlikely(usnic_log_lvl >= USNIC_LOG_LVL_DBG)) { \
56*4882a593Smuzhiyun 			usnic_printk(KERN_INFO, args); \
57*4882a593Smuzhiyun 	} \
58*4882a593Smuzhiyun } while (0)
59*4882a593Smuzhiyun 
60*4882a593Smuzhiyun #define usnic_info(args...) \
61*4882a593Smuzhiyun do { \
62*4882a593Smuzhiyun 	if (usnic_log_lvl >= USNIC_LOG_LVL_INFO) { \
63*4882a593Smuzhiyun 			usnic_printk(KERN_INFO, args); \
64*4882a593Smuzhiyun 	} \
65*4882a593Smuzhiyun } while (0)
66*4882a593Smuzhiyun 
67*4882a593Smuzhiyun #define usnic_err(args...) \
68*4882a593Smuzhiyun 	do { \
69*4882a593Smuzhiyun 		if (usnic_log_lvl >= USNIC_LOG_LVL_ERR) { \
70*4882a593Smuzhiyun 			usnic_printk(KERN_ERR, args); \
71*4882a593Smuzhiyun 		} \
72*4882a593Smuzhiyun 	} while (0)
73*4882a593Smuzhiyun #endif /* !USNIC_LOG_H_ */
74