/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _GHD_DEBUG_H
#define _GHD_DEBUG_H

#ifdef  __cplusplus
extern "C" {
#endif

#include <sys/varargs.h>

extern void ghd_err(const char *fmt, ...) __KPRINTFLIKE(1);
extern  ulong_t ghd_debug_flags;

#define GDBG_FLAG_ERROR         0x0001
#define GDBG_FLAG_INTR          0x0002
#define GDBG_FLAG_PEND_INTR     0x0004
#define GDBG_FLAG_START         0x0008
#define GDBG_FLAG_WARN          0x0010
#define GDBG_FLAG_DMA           0x0020
#define GDBG_FLAG_PKT           0x0040
#define GDBG_FLAG_INIT          0x0080
#define GDBG_FLAG_WAITQ         0x0100

/*
 * Use prom_printf() or vcmn_err()
 */
#ifdef GHD_DEBUG_PROM_PRINTF
#define GDBG_PRF(fmt)   prom_printf fmt
#include <sys/promif.h>
#else
#define GDBG_PRF(fmt)   ghd_err fmt
#endif

#if defined(GHD_DEBUG) || defined(__lint)

#define GDBG_FLAG_CHK(flag, fmt) if (ghd_debug_flags & (flag)) GDBG_PRF(fmt)

#else   /* GHD_DEBUG || __lint */

#define GDBG_FLAG_CHK(flag, fmt)

#endif  /* GHD_DEBUG || __lint */

/*
 * Always print "real" error messages on non-debugging kernels
 */

#if defined(GHD_DEBUG) || defined(__lint)
#define GDBG_ERROR(fmt)         GDBG_FLAG_CHK(GDBG_FLAG_ERROR, fmt)
#else
#define GDBG_ERROR(fmt) ghd_err fmt
#endif

/*
 * Debugging printf macros
 */

#define GDBG_INTR(fmt)          GDBG_FLAG_CHK(GDBG_FLAG_INTR, fmt)
#define GDBG_PEND_INTR(fmt)     GDBG_FLAG_CHK(GDBG_FLAG_PEND_INTR, fmt)
#define GDBG_START(fmt)         GDBG_FLAG_CHK(GDBG_FLAG_START, fmt)
#define GDBG_WARN(fmt)          GDBG_FLAG_CHK(GDBG_FLAG_WARN, fmt)
#define GDBG_DMA(fmt)           GDBG_FLAG_CHK(GDBG_FLAG_DMA, fmt)
#define GDBG_PKT(fmt)           GDBG_FLAG_CHK(GDBG_FLAG_PKT, fmt)
#define GDBG_INIT(fmt)          GDBG_FLAG_CHK(GDBG_FLAG_INIT, fmt)
#define GDBG_WAITQ(fmt)         GDBG_FLAG_CHK(GDBG_FLAG_WAITQ, fmt)

#ifdef  __cplusplus
}
#endif

#endif /* _GHD_DEBUG_H */