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c447342094
is an application space macro and the applications are supposed to be free to use it as they please (but cannot). This is consistant with the other BSD's who made this change quite some time ago. More commits to come.
92 lines
3.1 KiB
C
92 lines
3.1 KiB
C
/*
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* Macros for tracing/loging information in the CAM layer
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*
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* Copyright (c) 1997 Justin T. Gibbs.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification, immediately at the beginning of the file.
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* 2. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _CAM_CAM_DEBUG_H
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#define _CAM_CAM_DEBUG_H 1
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#if defined(CAMDEBUG) && defined(_KERNEL)
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#include <machine/clock.h>
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#endif /* CAMDEBUG && _KERNEL */
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/*
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* Debugging flags.
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*/
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typedef enum {
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CAM_DEBUG_NONE = 0x00, /* no debugging */
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CAM_DEBUG_INFO = 0x01, /* scsi commands, errors, data */
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CAM_DEBUG_TRACE = 0x02, /* routine flow tracking */
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CAM_DEBUG_SUBTRACE = 0x04, /* internal to routine flows */
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CAM_DEBUG_CDB = 0x08, /* print out SCSI CDBs only */
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CAM_DEBUG_XPT = 0x10, /* print out xpt scheduling */
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CAM_DEBUG_PERIPH = 0x20 /* print out peripheral calls */
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} cam_debug_flags;
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#if defined(CAMDEBUG) && defined(_KERNEL)
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/* Path we want to debug */
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extern struct cam_path *cam_dpath;
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/* Current debug levels set */
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extern u_int32_t cam_dflags;
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/* Printf delay value (to prevent scrolling */
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extern u_int32_t cam_debug_delay;
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/* Debugging macros. */
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#define CAM_DEBUGGED(path, flag) \
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((cam_dflags & (flag)) \
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&& (cam_dpath != NULL) \
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&& (xpt_path_comp(cam_dpath, path) >= 0) \
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&& (xpt_path_comp(cam_dpath, path) < 2))
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#define CAM_DEBUG(path, flag, printfargs) \
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if ((cam_dflags & (flag)) \
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&& (cam_dpath != NULL) \
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&& (xpt_path_comp(cam_dpath, path) >= 0) \
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&& (xpt_path_comp(cam_dpath, path) < 2)) { \
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xpt_print_path(path); \
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printf printfargs; \
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if (cam_debug_delay != 0) \
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DELAY(cam_debug_delay); \
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}
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#define CAM_DEBUG_PRINT(flag, printfargs) \
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if (cam_dflags & (flag)) { \
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printf("cam_debug: "); \
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printf printfargs; \
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if (cam_debug_delay != 0) \
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DELAY(cam_debug_delay); \
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}
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#else /* !CAMDEBUG || !_KERNEL */
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#define CAM_DEBUGGED(A, B) 0
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#define CAM_DEBUG(A, B, C)
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#define CAM_DEBUG_PRINT(A, B)
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#endif /* CAMDEBUG && _KERNEL */
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#endif /* _CAM_CAM_DEBUG_H */
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