/* SPDX-License-Identifier: BSD-3-Clause */
/*  Copyright (c) 2021, Intel Corporation
 *  All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are met:
 *
 *   1. Redistributions of source code must retain the above copyright notice,
 *      this list of conditions and the following disclaimer.
 *
 *   2. 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.
 *
 *   3. Neither the name of the Intel Corporation nor the names of its
 *      contributors may be used to endorse or promote products derived from
 *      this software without specific prior written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 *  POSSIBILITY OF SUCH DAMAGE.
 */

/**
 * @file iavf_debug.h
 * @brief Debug macros
 *
 * Contains definitions for useful debug macros which can be enabled by
 * building with IAVF_DEBUG defined.
 */
#ifndef _IAVF_DEBUG_H_
#define _IAVF_DEBUG_H_

#define MAC_FORMAT "%02x:%02x:%02x:%02x:%02x:%02x"
#define MAC_FORMAT_ARGS(mac_addr) \
        (mac_addr)[0], (mac_addr)[1], (mac_addr)[2], (mac_addr)[3], \
        (mac_addr)[4], (mac_addr)[5]

#ifdef IAVF_DEBUG

#define _DBG_PRINTF(S, ...)             printf("%s: " S "\n", __func__, ##__VA_ARGS__)
#define _DEV_DBG_PRINTF(dev, S, ...)    device_printf(dev, "%s: " S "\n", __func__, ##__VA_ARGS__)
#define _IF_DBG_PRINTF(ifp, S, ...)     if_printf(ifp, "%s: " S "\n", __func__, ##__VA_ARGS__)

/* Defines for printing generic debug information */
#define DPRINTF(...)                    _DBG_PRINTF(__VA_ARGS__)
#define DDPRINTF(...)                   _DEV_DBG_PRINTF(__VA_ARGS__)
#define IDPRINTF(...)                   _IF_DBG_PRINTF(__VA_ARGS__)

/* Defines for printing specific debug information */
#define DEBUG_INIT  1
#define DEBUG_IOCTL 1
#define DEBUG_HW    1

#define INIT_DEBUGOUT(...)              if (DEBUG_INIT) _DBG_PRINTF(__VA_ARGS__)
#define INIT_DBG_DEV(...)               if (DEBUG_INIT) _DEV_DBG_PRINTF(__VA_ARGS__)
#define INIT_DBG_IF(...)                if (DEBUG_INIT) _IF_DBG_PRINTF(__VA_ARGS__)

#define IOCTL_DEBUGOUT(...)             if (DEBUG_IOCTL) _DBG_PRINTF(__VA_ARGS__)
#define IOCTL_DBG_IF2(ifp, S, ...)      if (DEBUG_IOCTL) \
                                            if_printf(ifp, S "\n", ##__VA_ARGS__)
#define IOCTL_DBG_IF(...)               if (DEBUG_IOCTL) _IF_DBG_PRINTF(__VA_ARGS__)

#define HW_DEBUGOUT(...)                if (DEBUG_HW) _DBG_PRINTF(__VA_ARGS__)

#else /* no IAVF_DEBUG */
#define DEBUG_INIT  0
#define DEBUG_IOCTL 0
#define DEBUG_HW    0

#define DPRINTF(...)
#define DDPRINTF(...)
#define IDPRINTF(...)

#define INIT_DEBUGOUT(...)
#define INIT_DBG_DEV(...)
#define INIT_DBG_IF(...)
#define IOCTL_DEBUGOUT(...)
#define IOCTL_DBG_IF2(...)
#define IOCTL_DBG_IF(...)
#define HW_DEBUGOUT(...)
#endif /* IAVF_DEBUG */

/**
 * @enum iavf_dbg_mask
 * @brief Bitmask values for various debug messages
 *
 * Enumeration of possible debug message categories, represented as a bitmask.
 *
 * Bits are set in the softc dbg_mask field indicating which messages are
 * enabled.
 *
 * Used by debug print macros in order to compare the message type with the
 * enabled bits in the dbg_mask to decide whether to print the message or not.
 */
enum iavf_dbg_mask {
        IAVF_DBG_INFO                   = 0x00000001,
        IAVF_DBG_EN_DIS                 = 0x00000002,
        IAVF_DBG_AQ                     = 0x00000004,
        IAVF_DBG_INIT                   = 0x00000008,
        IAVF_DBG_FILTER                 = 0x00000010,

        IAVF_DBG_RSS                    = 0x00000100,

        IAVF_DBG_VC                     = 0x00001000,

        IAVF_DBG_SWITCH_INFO            = 0x00010000,

        IAVF_DBG_ALL                    = 0xFFFFFFFF
};

/* Debug printing */
void iavf_debug_core(device_t dev, uint32_t enabled_mask, uint32_t mask, char *fmt, ...) __printflike(4,5);

#define iavf_dbg(sc, m, s, ...)         iavf_debug_core(sc->dev, sc->dbg_mask, m, s, ##__VA_ARGS__)
#define iavf_dbg_init(sc, s, ...)       iavf_debug_core(sc->dev, sc->dbg_mask, IAVF_DBG_INIT, s, ##__VA_ARGS__)
#define iavf_dbg_info(sc, s, ...)       iavf_debug_core(sc->dev, sc->dbg_mask, IAVF_DBG_INFO, s, ##__VA_ARGS__)
#define iavf_dbg_vc(sc, s, ...)         iavf_debug_core(sc->dev, sc->dbg_mask, IAVF_DBG_VC, s, ##__VA_ARGS__)
#define iavf_dbg_filter(sc, s, ...)     iavf_debug_core(sc->dev, sc->dbg_mask, IAVF_DBG_FILTER, s, ##__VA_ARGS__)
#define iavf_dbg_rss(sc, s, ...)        iavf_debug_core(sc->dev, sc->dbg_mask, IAVF_DBG_RSS, s, ##__VA_ARGS__)

#endif /* _IAVF_DEBUG_H_ */