[PATCH 02/13] [RFC] ipath debug header

Roland Dreier
2005-12-16T23:49:13Z

Debugging macros for ipath driver

---

drivers/infiniband/hw/ipath/ipath_debug.h | 211 +++++++++++++++++++++++++++++
1 files changed, 211 insertions(+), 0 deletions(-)
create mode 100644 drivers/infiniband/hw/ipath/ipath_debug.h

8f834f72344a3c7e9c5eafdf59b9fc96b4e08e5f
diff --git a/drivers/infiniband/hw/ipath/ipath_debug.h b/drivers/infiniband/hw/ipath/ipath_debug.h
new file mode 100644
index 0000000..c8b7374
--- /dev/null
+++ b/drivers/infiniband/hw/ipath/ipath_debug.h
@@ -0,0 +1,211 @@
+/*
+ * Copyright (c) 2003, 2004, 2005. PathScale, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses. You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Patent licenses, if any, provided herein do not apply to
+ * combinations of this program with other software, or any other
+ * product whatsoever.
+ *
+ * $Id: ipath_debug.h 4504 2005-12-16 06:15:47Z rjwalsh $
+ */
+
+#ifndef _IPATH_DEBUG_H
+#define _IPATH_DEBUG_H
+
+/*
+ * This file contains tracing code that is lightweight, and can be
+ * called from both user and kernel mode
+ * _IPATH_DBG should have the same calling conventions and semantics
+ * for both user and kernel.
+ */
+#ifndef _IPATH_DEBUGGING /* tracing enabled or not */
+#define _IPATH_DEBUGGING 1
+#endif
+
+/* This macros should only be used in the trace library code. */
+#define _IPATH_DEBUG_VARS_DECL unsigned infinipath_debug;
+extern unsigned infinipath_debug;
+extern const char *ipath_get_unit_name(int unit);
+
+/*
+ * These are always defined, because _IPATH_ERROR is always defined,
+ * unlike the other debugging calls. It might make sense to change
+ * to using "fprintf(stderr", for the usermode version, but not now.
+ */
+#ifdef __KERNEL__
+#define __IPPRT printk
+#define __IPATH_UNIT_ERRID(unit) ipath_get_unit_name(unit)
+#define __IPATH_ERRID "infinipath"
+#else
+#define __IPPRT printf
+extern char *__progname;
+#define __IPATH_UNIT_ERRID(unit) __progname
+#define __IPATH_ERRID __progname
+#define KERN_ERR
+#endif
+
+#if _IPATH_DEBUGGING
+
+/*
+ * Mask values for debugging. The scheme allows us to compile out any of
+ * the debug tracing stuff, and if compiled in, to enable or disable dynamically
+ * This can be set at modprobe time also:
+ * modprobe infinipath.ko infinipath_debug=7
+ */
+#define __IPATH_INFO 0x1 /* generic low verbosity stuff */
+#define __IPATH_DBG 0x2 /* generic debug */
+#define __IPATH_TRSAMPLE 0x8 /* generate trace buffer sample entries */
+/* leave some low verbosity spots open */
+#define __IPATH_VERBDBG 0x40 /* very verbose debug */
+#define __IPATH_PKTDBG 0x80 /* print packet data */
+/* print process startup (init)/exit messages */
+#define __IPATH_PROCDBG 0x100
+/* print mmap/nopage stuff, not using VDBG any more */
+#define __IPATH_MMDBG 0x200
+#define __IPATH_USER_SEND 0x1000 /* use user mode send */
+#define __IPATH_KERNEL_SEND 0x2000 /* use kernel mode send */
+#define __IPATH_EPKTDBG 0x4000 /* print ethernet packet data */
+#define __IPATH_SMADBG 0x8000 /* sma packet debug */
+#define __IPATH_IPATHDBG 0x10000 /* Ethernet (IPATH) general debug on */
+#define __IPATH_IPATHWARN 0x20000 /* Ethernet (IPATH) warnings on */
+#define __IPATH_IPATHERR 0x40000 /* Ethernet (IPATH) errors on */
+#define __IPATH_IPATHPD 0x80000 /* Ethernet (IPATH) packet dump on */
+#define __IPATH_IPATHTABLE 0x100000 /* Ethernet (IPATH) table dump on */
+
+#ifdef __KERNEL__
+#define __IPIDENT
+#define __IPIDENT_ARG
+#define __IP_INFO_TAG __IPATH_ERRID
+#define _Pragma_unlikely
+#else
+#define KERN_INFO
+#define KERN_DEBUG
+#define __IPIDENT "%s"
+#define __IPIDENT_ARG __ipath_mylabel,
+#define __IP_INFO_TAG __func__
+extern char *__ipath_mylabel;
+extern void ipath_set_mylabel(char *);
+#define _Pragma_unlikely _Pragma("mips_frequency_hint never")
+#endif
+
+#define _IPATH_UNIT_ERROR(unit,fmt,...) do { \
+ _Pragma_unlikely \
+ __IPPRT (KERN_ERR __IPIDENT "%s: " fmt, __IPIDENT_ARG __IPATH_UNIT_ERRID(unit), \
+ ##__VA_ARGS__); \
+ } while(0)
+
+#define _IPATH_ERROR(fmt,...) do { \
+ _Pragma_unlikely \
+ __IPPRT (KERN_ERR __IPIDENT "%s: " fmt, __IPIDENT_ARG __IPATH_ERRID, \
+ ##__VA_ARGS__); \
+ } while(0)
+
+#define _IPATH_INFO(fmt,...) do { \
+ _Pragma_unlikely \
+ if(unlikely(infinipath_debug&__IPATH_INFO)) \
+ __IPPRT (KERN_INFO __IPIDENT "%s: " fmt,\
+ __IPIDENT_ARG __IP_INFO_TAG,##__VA_ARGS__); \
+ } while(0)
+
+#define __IPATH_USER_MODE_SEND unlikely(infinipath_debug & __IPATH_USER_SEND)
+#define __IPATH_KERNEL_MODE_SEND unlikely(infinipath_debug & __IPATH_KERNEL_SEND)
+#define __IPATH_PKTDBG_ON unlikely(infinipath_debug & __IPATH_PKTDBG)
+
+#define __IPATH_DBG_WHICH(which,fmt,...) do { \
+ _Pragma_unlikely \
+ if(unlikely(infinipath_debug&(which))) __IPPRT (KERN_DEBUG __IPIDENT "%s: " fmt,\
+ __IPIDENT_ARG __func__,##__VA_ARGS__); \
+ } while(0)
+#define _IPATH_DBG(fmt,...) __IPATH_DBG_WHICH(__IPATH_DBG,fmt,##__VA_ARGS__)
+#define _IPATH_VDBG(fmt,...) __IPATH_DBG_WHICH(__IPATH_VERBDBG,fmt,##__VA_ARGS__)
+#define _IPATH_PDBG(fmt,...) __IPATH_DBG_WHICH(__IPATH_PKTDBG,fmt,##__VA_ARGS__)
+#define _IPATH_EPDBG(fmt,...) __IPATH_DBG_WHICH(__IPATH_EPKTDBG,fmt,##__VA_ARGS__)
+#define _IPATH_PRDBG(fmt,...) __IPATH_DBG_WHICH(__IPATH_PROCDBG,fmt,##__VA_ARGS__)
+#define _IPATH_MMDBG(fmt,...) __IPATH_DBG_WHICH(__IPATH_MMDBG,fmt,##__VA_ARGS__)
+#define _IPATH_SMADBG(fmt,...) __IPATH_DBG_WHICH(__IPATH_SMADBG,fmt,##__VA_ARGS__)
+#define _IPATH_IPATHDBG(fmt,...) __IPATH_DBG_WHICH(__IPATH_IPATHDBG,fmt,##__VA_ARGS__)
+#define _IPATH_IPATHWARN(fmt,...) __IPATH_DBG_WHICH(__IPATH_IPATHWARN,fmt,##__VA_ARGS__)
+#define _IPATH_IPATHERR(fmt,...) __IPATH_DBG_WHICH(__IPATH_IPATHERR ,fmt,##__VA_ARGS__)
+#define _IPATH_IPATHPD(fmt,...) __IPATH_DBG_WHICH(__IPATH_IPATHPD ,fmt,##__VA_ARGS__)
+#define _IPATH_IPATHTABLE(fmt,...) __IPATH_DBG_WHICH(__IPATH_IPATHTABLE ,fmt,##__VA_ARGS__)
+
+#else /* ! _IPATH_DEBUGGING */
+
+#define _IPATH_UNIT_ERROR(unit,fmt,...) do { \
+ __IPPRT (KERN_ERR "%s" fmt, "",##__VA_ARGS__); \
+ } while(0)
+
+#define _IPATH_ERROR(fmt,...) do { \
+ __IPPRT (KERN_ERR "%s" fmt, "",##__VA_ARGS__); \
+ } while(0)
+
+#define _IPATH_INFO(fmt,...)
+#define _IPATH_DBG(fmt,...)
+#define _IPATH_PDBG(fmt,...)
+#define _IPATH_EPDBG(fmt,...)
+#define _IPATH_PRDBG(fmt,...)
+#define _IPATH_VDBG(fmt,...)
+#define _IPATH_MMDBG(fmt,...)
+#define _IPATH_SMADBG(fmt,...)
+#define _IPATH_IPATHDBG(fmt,...)
+#define _IPATH_IPATHWARN(fmt,...)
+#define _IPATH_IPATHERR(fmt,...)
+#define _IPATH_IPATHPD(fmt,...)
+#define _IPATH_IPATHTABLE(fmt,...)
+
+/*
+ * define all of these even with debugging off, for the few places that do
+ * if(infinipath_debug&_IPATH_xyzzy), but in a way that will make the
+ * compiler eliminate the code
+ */
+#define __IPATH_INFO 0x0 /* generic low verbosity stuff */
+#define __IPATH_DBG 0x0 /* generic debug */
+#define __IPATH_CALL 0x0 /* function call entrance/exit */
+#define __IPATH_TRSAMPLE 0x0 /* generate trace buffer sample entries */
+#define __IPATH_VCALL 0x0 /* function call entrance/exit */
+#define __IPATH_VERBDBG 0x0 /* very verbose debug */
+#define __IPATH_PKTDBG 0x0 /* print packet data */
+#define __IPATH_PROCDBG 0x0 /* print process startup (init)/exit messages */
+/* print mmap/nopage stuff, not using VDBG any more */
+#define __IPATH_MMDBG 0x0
+#define __IPATH_EPKTDBG 0x0 /* print ethernet packet data */
+#define __IPATH_SMADBG 0x0 /* print process startup (init)/exit messages */
+#define __IPATH_IPATHDBG 0x0 /* Ethernet (IPATH) table dump on */
+#define __IPATH_IPATHWARN 0x0 /* Ethernet (IPATH) warnings on */
+#define __IPATH_IPATHERR 0x0 /* Ethernet (IPATH) errors on */
+#define __IPATH_IPATHPD 0x0 /* Ethernet (IPATH) packet dump on */
+#define __IPATH_IPATHTABLE 0x0 /* Ethernet (IPATH) packet dump on */
+#define __IPATH_USER_MODE_SEND 0
+#define __IPATH_KERNEL_MODE_SEND 0
+#define __IPATH_PKTDBG_ON 0
+
+#endif /* _IPATH_DEBUGGING */
+
+#endif /* _IPATH_DEBUG_H */
--
0.99.9n