Linux kernel & device driver programming

Cross-Referenced Linux and Device Driver Code

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Version: [ 2.6.11.8 ] [ 2.6.25 ] [ 2.6.25.8 ] [ 2.6.31.13 ] Architecture: [ i386 ]
  1 /*
  2  * Copyright (c) 2006, 2007 QLogic Corporation. All rights reserved.
  3  * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
  4  *
  5  * This software is available to you under a choice of one of two
  6  * licenses.  You may choose to be licensed under the terms of the GNU
  7  * General Public License (GPL) Version 2, available from the file
  8  * COPYING in the main directory of this source tree, or the
  9  * OpenIB.org BSD license below:
 10  *
 11  *     Redistribution and use in source and binary forms, with or
 12  *     without modification, are permitted provided that the following
 13  *     conditions are met:
 14  *
 15  *      - Redistributions of source code must retain the above
 16  *        copyright notice, this list of conditions and the following
 17  *        disclaimer.
 18  *
 19  *      - Redistributions in binary form must reproduce the above
 20  *        copyright notice, this list of conditions and the following
 21  *        disclaimer in the documentation and/or other materials
 22  *        provided with the distribution.
 23  *
 24  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 25  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 26  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 27  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 28  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 29  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 30  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 31  * SOFTWARE.
 32  */
 33 
 34 #ifndef _IPATH_DEBUG_H
 35 #define _IPATH_DEBUG_H
 36 
 37 #ifndef _IPATH_DEBUGGING        /* debugging enabled or not */
 38 #define _IPATH_DEBUGGING 1
 39 #endif
 40 
 41 #if _IPATH_DEBUGGING
 42 
 43 /*
 44  * Mask values for debugging.  The scheme allows us to compile out any
 45  * of the debug tracing stuff, and if compiled in, to enable or disable
 46  * dynamically.  This can be set at modprobe time also:
 47  *      modprobe infinipath.ko infinipath_debug=7
 48  */
 49 
 50 #define __IPATH_INFO        0x1 /* generic low verbosity stuff */
 51 #define __IPATH_DBG         0x2 /* generic debug */
 52 #define __IPATH_TRSAMPLE    0x8 /* generate trace buffer sample entries */
 53 /* leave some low verbosity spots open */
 54 #define __IPATH_VERBDBG     0x40        /* very verbose debug */
 55 #define __IPATH_PKTDBG      0x80        /* print packet data */
 56 /* print process startup (init)/exit messages */
 57 #define __IPATH_PROCDBG     0x100
 58 /* print mmap/fault stuff, not using VDBG any more */
 59 #define __IPATH_MMDBG       0x200
 60 #define __IPATH_ERRPKTDBG   0x400
 61 #define __IPATH_USER_SEND   0x1000      /* use user mode send */
 62 #define __IPATH_KERNEL_SEND 0x2000      /* use kernel mode send */
 63 #define __IPATH_EPKTDBG     0x4000      /* print ethernet packet data */
 64 #define __IPATH_IPATHDBG    0x10000     /* Ethernet (IPATH) gen debug */
 65 #define __IPATH_IPATHWARN   0x20000     /* Ethernet (IPATH) warnings */
 66 #define __IPATH_IPATHERR    0x40000     /* Ethernet (IPATH) errors */
 67 #define __IPATH_IPATHPD     0x80000     /* Ethernet (IPATH) packet dump */
 68 #define __IPATH_IPATHTABLE  0x100000    /* Ethernet (IPATH) table dump */
 69 #define __IPATH_LINKVERBDBG 0x200000    /* very verbose linkchange debug */
 70 
 71 #else                           /* _IPATH_DEBUGGING */
 72 
 73 /*
 74  * define all of these even with debugging off, for the few places that do
 75  * if(infinipath_debug & _IPATH_xyzzy), but in a way that will make the
 76  * compiler eliminate the code
 77  */
 78 
 79 #define __IPATH_INFO      0x0   /* generic low verbosity stuff */
 80 #define __IPATH_DBG       0x0   /* generic debug */
 81 #define __IPATH_TRSAMPLE  0x0   /* generate trace buffer sample entries */
 82 #define __IPATH_VERBDBG   0x0   /* very verbose debug */
 83 #define __IPATH_PKTDBG    0x0   /* print packet data */
 84 #define __IPATH_PROCDBG   0x0   /* process startup (init)/exit messages */
 85 /* print mmap/fault stuff, not using VDBG any more */
 86 #define __IPATH_MMDBG     0x0
 87 #define __IPATH_EPKTDBG   0x0   /* print ethernet packet data */
 88 #define __IPATH_IPATHDBG  0x0   /* Ethernet (IPATH) table dump on */
 89 #define __IPATH_IPATHWARN 0x0   /* Ethernet (IPATH) warnings on   */
 90 #define __IPATH_IPATHERR  0x0   /* Ethernet (IPATH) errors on   */
 91 #define __IPATH_IPATHPD   0x0   /* Ethernet (IPATH) packet dump on   */
 92 #define __IPATH_IPATHTABLE 0x0  /* Ethernet (IPATH) packet dump on   */
 93 #define __IPATH_LINKVERBDBG 0x0 /* very verbose linkchange debug */
 94 
 95 #endif                          /* _IPATH_DEBUGGING */
 96 
 97 #define __IPATH_VERBOSEDBG __IPATH_VERBDBG
 98 
 99 #endif                          /* _IPATH_DEBUG_H */
100 
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