/*-
 * SPDX-License-Identifier: BSD-2-Clause
 *
 * Copyright (c) 2010-2016 Solarflare Communications Inc.
 * All rights reserved.
 *
 * This software was developed in part by Philip Paeps under contract for
 * Solarflare Communications, Inc.
 *
 * 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.
 *
 * 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.
 *
 * The views and conclusions contained in the software and documentation are
 * those of the authors and should not be interpreted as representing official
 * policies, either expressed or implied, of the FreeBSD Project.
 */

#ifndef _SYS_EFSYS_H
#define _SYS_EFSYS_H

#ifdef  __cplusplus
extern "C" {
#endif

#include <sys/param.h>
#include <sys/bus.h>
#include <sys/endian.h>
#include <sys/lock.h>
#include <sys/malloc.h>
#include <sys/mbuf.h>
#include <sys/mutex.h>
#include <sys/rwlock.h>
#include <sys/sdt.h>
#include <sys/systm.h>

#include <machine/bus.h>
#include <machine/endian.h>

#define EFSYS_HAS_UINT64 1
#if defined(__x86_64__)
#define EFSYS_USE_UINT64 1
#else
#define EFSYS_USE_UINT64 0
#endif
#define EFSYS_HAS_SSE2_M128 0
#if _BYTE_ORDER == _BIG_ENDIAN
#define EFSYS_IS_BIG_ENDIAN 1
#define EFSYS_IS_LITTLE_ENDIAN 0
#elif _BYTE_ORDER == _LITTLE_ENDIAN
#define EFSYS_IS_BIG_ENDIAN 0
#define EFSYS_IS_LITTLE_ENDIAN 1
#endif
#include "efx_types.h"

#ifndef B_FALSE
#define B_FALSE FALSE
#endif
#ifndef B_TRUE
#define B_TRUE  TRUE
#endif

#ifndef IS2P
#define ISP2(x)                 (((x) & ((x) - 1)) == 0)
#endif

#if defined(__x86_64__)

#define SFXGE_USE_BUS_SPACE_8           1

#if !defined(bus_space_read_stream_8)

#define bus_space_read_stream_8(t, h, o)                                \
        bus_space_read_8((t), (h), (o))

#define bus_space_write_stream_8(t, h, o, v)                            \
        bus_space_write_8((t), (h), (o), (v))

#endif

#endif

#define ENOTACTIVE EINVAL

/* Memory type to use on FreeBSD */
MALLOC_DECLARE(M_SFXGE);

/* Machine dependend prefetch wrappers */
#if defined(__i386__) || defined(__amd64__)
static __inline void
prefetch_read_many(void *addr)
{

        __asm__(
            "prefetcht0 (%0)"
            :
            : "r" (addr));
}

static __inline void
prefetch_read_once(void *addr)
{

        __asm__(
            "prefetchnta (%0)"
            :
            : "r" (addr));
}
#else
static __inline void
prefetch_read_many(void *addr)
{

}

static __inline void
prefetch_read_once(void *addr)
{

}
#endif

#if defined(__i386__) || defined(__amd64__)
#include <vm/vm.h>
#include <vm/pmap.h>
#endif
static __inline void
sfxge_map_mbuf_fast(bus_dma_tag_t tag, bus_dmamap_t map,
                    struct mbuf *m, bus_dma_segment_t *seg)
{
#if defined(__i386__) || defined(__amd64__)
        seg->ds_addr = pmap_kextract(mtod(m, vm_offset_t));
        seg->ds_len = m->m_len;
#else
        int nsegstmp;

        bus_dmamap_load_mbuf_sg(tag, map, m, seg, &nsegstmp, 0);
#endif
}

/* Code inclusion options */

#define EFSYS_OPT_NAMES 1

#define EFSYS_OPT_SIENA 1
#define EFSYS_OPT_HUNTINGTON 1
#define EFSYS_OPT_MEDFORD 1
#define EFSYS_OPT_MEDFORD2 1
#ifdef DEBUG
#define EFSYS_OPT_CHECK_REG 1
#else
#define EFSYS_OPT_CHECK_REG 0
#endif

#define EFSYS_OPT_MCDI 1
#define EFSYS_OPT_MCDI_LOGGING 0
#define EFSYS_OPT_MCDI_PROXY_AUTH 0

#define EFSYS_OPT_MAC_STATS 1

#define EFSYS_OPT_LOOPBACK 0

#define EFSYS_OPT_MON_MCDI 0
#define EFSYS_OPT_MON_STATS 0

#define EFSYS_OPT_PHY_STATS 1
#define EFSYS_OPT_BIST 1
#define EFSYS_OPT_PHY_LED_CONTROL 1
#define EFSYS_OPT_PHY_FLAGS 0

#define EFSYS_OPT_VPD 1
#define EFSYS_OPT_NVRAM 1
#define EFSYS_OPT_BOOTCFG 0
#define EFSYS_OPT_IMAGE_LAYOUT 0

#define EFSYS_OPT_DIAG 0
#define EFSYS_OPT_RX_SCALE 1
#define EFSYS_OPT_QSTATS 1
#define EFSYS_OPT_FILTER 1
#define EFSYS_OPT_RX_SCATTER 0

#define EFSYS_OPT_EV_PREFETCH 0

#define EFSYS_OPT_DECODE_INTR_FATAL 1

#define EFSYS_OPT_LICENSING 0

#define EFSYS_OPT_ALLOW_UNCONFIGURED_NIC 0

#define EFSYS_OPT_RX_PACKED_STREAM 0

#define EFSYS_OPT_RX_ES_SUPER_BUFFER 0

#define EFSYS_OPT_TUNNEL 0

#define EFSYS_OPT_FW_SUBVARIANT_AWARE 0

/* ID */

typedef struct __efsys_identifier_s     efsys_identifier_t;

/* PROBE */

#ifndef DTRACE_PROBE

#define EFSYS_PROBE(_name)

#define EFSYS_PROBE1(_name, _type1, _arg1)

#define EFSYS_PROBE2(_name, _type1, _arg1, _type2, _arg2)

#define EFSYS_PROBE3(_name, _type1, _arg1, _type2, _arg2,               \
            _type3, _arg3)

#define EFSYS_PROBE4(_name, _type1, _arg1, _type2, _arg2,               \
            _type3, _arg3, _type4, _arg4)

#define EFSYS_PROBE5(_name, _type1, _arg1, _type2, _arg2,               \
            _type3, _arg3, _type4, _arg4, _type5, _arg5)

#define EFSYS_PROBE6(_name, _type1, _arg1, _type2, _arg2,               \
            _type3, _arg3, _type4, _arg4, _type5, _arg5,                \
            _type6, _arg6)

#define EFSYS_PROBE7(_name, _type1, _arg1, _type2, _arg2,               \
            _type3, _arg3, _type4, _arg4, _type5, _arg5,                \
            _type6, _arg6, _type7, _arg7)

#else /* DTRACE_PROBE */

#define EFSYS_PROBE(_name)                                              \
        DTRACE_PROBE(_name)

#define EFSYS_PROBE1(_name, _type1, _arg1)                              \
        DTRACE_PROBE1(_name, _type1, _arg1)

#define EFSYS_PROBE2(_name, _type1, _arg1, _type2, _arg2)               \
        DTRACE_PROBE2(_name, _type1, _arg1, _type2, _arg2)

#define EFSYS_PROBE3(_name, _type1, _arg1, _type2, _arg2,               \
            _type3, _arg3)                                              \
        DTRACE_PROBE3(_name, _type1, _arg1, _type2, _arg2,              \
            _type3, _arg3)

#define EFSYS_PROBE4(_name, _type1, _arg1, _type2, _arg2,               \
            _type3, _arg3, _type4, _arg4)                               \
        DTRACE_PROBE4(_name, _type1, _arg1, _type2, _arg2,              \
            _type3, _arg3, _type4, _arg4)

#ifdef DTRACE_PROBE5
#define EFSYS_PROBE5(_name, _type1, _arg1, _type2, _arg2,               \
            _type3, _arg3, _type4, _arg4, _type5, _arg5)                \
        DTRACE_PROBE5(_name, _type1, _arg1, _type2, _arg2,              \
            _type3, _arg3, _type4, _arg4, _type5, _arg5)
#else
#define EFSYS_PROBE5(_name, _type1, _arg1, _type2, _arg2,               \
            _type3, _arg3, _type4, _arg4, _type5, _arg5)                \
        DTRACE_PROBE4(_name, _type1, _arg1, _type2, _arg2,              \
            _type3, _arg3, _type4, _arg4)
#endif

#ifdef DTRACE_PROBE6
#define EFSYS_PROBE6(_name, _type1, _arg1, _type2, _arg2,               \
            _type3, _arg3, _type4, _arg4, _type5, _arg5,                \
            _type6, _arg6)                                              \
        DTRACE_PROBE6(_name, _type1, _arg1, _type2, _arg2,              \
            _type3, _arg3, _type4, _arg4, _type5, _arg5,                \
            _type6, _arg6)
#else
#define EFSYS_PROBE6(_name, _type1, _arg1, _type2, _arg2,               \
            _type3, _arg3, _type4, _arg4, _type5, _arg5,                \
            _type6, _arg6)                                              \
        EFSYS_PROBE5(_name, _type1, _arg1, _type2, _arg2,               \
            _type3, _arg3, _type4, _arg4, _type5, _arg5)
#endif

#ifdef DTRACE_PROBE7
#define EFSYS_PROBE7(_name, _type1, _arg1, _type2, _arg2,               \
            _type3, _arg3, _type4, _arg4, _type5, _arg5,                \
            _type6, _arg6, _type7, _arg7)                               \
        DTRACE_PROBE7(_name, _type1, _arg1, _type2, _arg2,              \
            _type3, _arg3, _type4, _arg4, _type5, _arg5,                \
            _type6, _arg6, _type7, _arg7)
#else
#define EFSYS_PROBE7(_name, _type1, _arg1, _type2, _arg2,               \
            _type3, _arg3, _type4, _arg4, _type5, _arg5,                \
            _type6, _arg6, _type7, _arg7)                               \
        EFSYS_PROBE6(_name, _type1, _arg1, _type2, _arg2,               \
            _type3, _arg3, _type4, _arg4, _type5, _arg5,                \
            _type6, _arg6)
#endif

#endif /* DTRACE_PROBE */

/* DMA */

typedef uint64_t                efsys_dma_addr_t;

typedef struct efsys_mem_s {
        bus_dma_tag_t           esm_tag;
        bus_dmamap_t            esm_map;
        caddr_t                 esm_base;
        efsys_dma_addr_t        esm_addr;
        size_t                  esm_size;
} efsys_mem_t;

#define EFSYS_MEM_SIZE(_esmp)                                           \
        ((_esmp)->esm_size)

#define EFSYS_MEM_ADDR(_esmp)                                           \
        ((_esmp)->esm_addr)

#define EFSYS_MEM_IS_NULL(_esmp)                                        \
        ((_esmp)->esm_base == NULL)

#define EFSYS_MEM_ZERO(_esmp, _size)                                    \
        do {                                                            \
                (void) memset((_esmp)->esm_base, 0, (_size));           \
                                                                        \
        _NOTE(CONSTANTCONDITION)                                        \
        } while (B_FALSE)

#define EFSYS_MEM_READD(_esmp, _offset, _edp)                           \
        do {                                                            \
                uint32_t *addr;                                         \
                                                                        \
                _NOTE(CONSTANTCONDITION)                                \
                KASSERT(EFX_IS_P2ALIGNED(size_t, _offset,               \
                    sizeof (efx_dword_t)),                              \
                    ("not power of 2 aligned"));                        \
                                                                        \
                addr = (void *)((_esmp)->esm_base + (_offset));         \
                                                                        \
                (_edp)->ed_u32[0] = *addr;                              \
                                                                        \
                EFSYS_PROBE2(mem_readd, unsigned int, (_offset),        \
                    uint32_t, (_edp)->ed_u32[0]);                       \
                                                                        \
        _NOTE(CONSTANTCONDITION)                                        \
        } while (B_FALSE)

#if defined(__x86_64__)
#define EFSYS_MEM_READQ(_esmp, _offset, _eqp)                           \
        do {                                                            \
                uint64_t *addr;                                         \
                                                                        \
                _NOTE(CONSTANTCONDITION)                                \
                KASSERT(EFX_IS_P2ALIGNED(size_t, _offset,               \
                    sizeof (efx_qword_t)),                              \
                    ("not power of 2 aligned"));                        \
                                                                        \
                addr = (void *)((_esmp)->esm_base + (_offset));         \
                                                                        \
                (_eqp)->eq_u64[0] = *addr;                              \
                                                                        \
                EFSYS_PROBE3(mem_readq, unsigned int, (_offset),        \
                    uint32_t, (_eqp)->eq_u32[1],                        \
                    uint32_t, (_eqp)->eq_u32[0]);                       \
                                                                        \
        _NOTE(CONSTANTCONDITION)                                        \
        } while (B_FALSE)
#else
#define EFSYS_MEM_READQ(_esmp, _offset, _eqp)                           \
        do {                                                            \
                uint32_t *addr;                                         \
                                                                        \
                _NOTE(CONSTANTCONDITION)                                \
                KASSERT(EFX_IS_P2ALIGNED(size_t, _offset,               \
                    sizeof (efx_qword_t)),                              \
                    ("not power of 2 aligned"));                        \
                                                                        \
                addr = (void *)((_esmp)->esm_base + (_offset));         \
                                                                        \
                (_eqp)->eq_u32[0] = *addr++;                            \
                (_eqp)->eq_u32[1] = *addr;                              \
                                                                        \
                EFSYS_PROBE3(mem_readq, unsigned int, (_offset),        \
                    uint32_t, (_eqp)->eq_u32[1],                        \
                    uint32_t, (_eqp)->eq_u32[0]);                       \
                                                                        \
        _NOTE(CONSTANTCONDITION)                                        \
        } while (B_FALSE)
#endif

#if defined(__x86_64__)
#define EFSYS_MEM_READO(_esmp, _offset, _eop)                           \
        do {                                                            \
                uint64_t *addr;                                         \
                                                                        \
                _NOTE(CONSTANTCONDITION)                                \
                KASSERT(EFX_IS_P2ALIGNED(size_t, _offset,               \
                    sizeof (efx_oword_t)),                              \
                    ("not power of 2 aligned"));                        \
                                                                        \
                addr = (void *)((_esmp)->esm_base + (_offset));         \
                                                                        \
                (_eop)->eo_u64[0] = *addr++;                            \
                (_eop)->eo_u64[1] = *addr;                              \
                                                                        \
                EFSYS_PROBE5(mem_reado, unsigned int, (_offset),        \
                    uint32_t, (_eop)->eo_u32[3],                        \
                    uint32_t, (_eop)->eo_u32[2],                        \
                    uint32_t, (_eop)->eo_u32[1],                        \
                    uint32_t, (_eop)->eo_u32[0]);                       \
                                                                        \
        _NOTE(CONSTANTCONDITION)                                        \
        } while (B_FALSE)
#else
#define EFSYS_MEM_READO(_esmp, _offset, _eop)                           \
        do {                                                            \
                uint32_t *addr;                                         \
                                                                        \
                _NOTE(CONSTANTCONDITION)                                \
                KASSERT(EFX_IS_P2ALIGNED(size_t, _offset,               \
                    sizeof (efx_oword_t)),                              \
                    ("not power of 2 aligned"));                        \
                                                                        \
                addr = (void *)((_esmp)->esm_base + (_offset));         \
                                                                        \
                (_eop)->eo_u32[0] = *addr++;                            \
                (_eop)->eo_u32[1] = *addr++;                            \
                (_eop)->eo_u32[2] = *addr++;                            \
                (_eop)->eo_u32[3] = *addr;                              \
                                                                        \
                EFSYS_PROBE5(mem_reado, unsigned int, (_offset),        \
                    uint32_t, (_eop)->eo_u32[3],                        \
                    uint32_t, (_eop)->eo_u32[2],                        \
                    uint32_t, (_eop)->eo_u32[1],                        \
                    uint32_t, (_eop)->eo_u32[0]);                       \
                                                                        \
        _NOTE(CONSTANTCONDITION)                                        \
        } while (B_FALSE)
#endif

#define EFSYS_MEM_WRITED(_esmp, _offset, _edp)                          \
        do {                                                            \
                uint32_t *addr;                                         \
                                                                        \
                _NOTE(CONSTANTCONDITION)                                \
                KASSERT(EFX_IS_P2ALIGNED(size_t, _offset,               \
                    sizeof (efx_dword_t)),                              \
                    ("not power of 2 aligned"));                        \
                                                                        \
                EFSYS_PROBE2(mem_writed, unsigned int, (_offset),       \
                    uint32_t, (_edp)->ed_u32[0]);                       \
                                                                        \
                addr = (void *)((_esmp)->esm_base + (_offset));         \
                                                                        \
                *addr = (_edp)->ed_u32[0];                              \
                                                                        \
        _NOTE(CONSTANTCONDITION)                                        \
        } while (B_FALSE)

#if defined(__x86_64__)
#define EFSYS_MEM_WRITEQ(_esmp, _offset, _eqp)                          \
        do {                                                            \
                uint64_t *addr;                                         \
                                                                        \
                _NOTE(CONSTANTCONDITION)                                \
                KASSERT(EFX_IS_P2ALIGNED(size_t, _offset,               \
                    sizeof (efx_qword_t)),                              \
                    ("not power of 2 aligned"));                        \
                                                                        \
                EFSYS_PROBE3(mem_writeq, unsigned int, (_offset),       \
                    uint32_t, (_eqp)->eq_u32[1],                        \
                    uint32_t, (_eqp)->eq_u32[0]);                       \
                                                                        \
                addr = (void *)((_esmp)->esm_base + (_offset));         \
                                                                        \
                *addr   = (_eqp)->eq_u64[0];                            \
                                                                        \
        _NOTE(CONSTANTCONDITION)                                        \
        } while (B_FALSE)

#else
#define EFSYS_MEM_WRITEQ(_esmp, _offset, _eqp)                          \
        do {                                                            \
                uint32_t *addr;                                         \
                                                                        \
                _NOTE(CONSTANTCONDITION)                                \
                KASSERT(EFX_IS_P2ALIGNED(size_t, _offset,               \
                    sizeof (efx_qword_t)),                              \
                    ("not power of 2 aligned"));                        \
                                                                        \
                EFSYS_PROBE3(mem_writeq, unsigned int, (_offset),       \
                    uint32_t, (_eqp)->eq_u32[1],                        \
                    uint32_t, (_eqp)->eq_u32[0]);                       \
                                                                        \
                addr = (void *)((_esmp)->esm_base + (_offset));         \
                                                                        \
                *addr++ = (_eqp)->eq_u32[0];                            \
                *addr   = (_eqp)->eq_u32[1];                            \
                                                                        \
        _NOTE(CONSTANTCONDITION)                                        \
        } while (B_FALSE)
#endif

#if defined(__x86_64__)
#define EFSYS_MEM_WRITEO(_esmp, _offset, _eop)                          \
        do {                                                            \
                uint64_t *addr;                                         \
                                                                        \
                _NOTE(CONSTANTCONDITION)                                \
                KASSERT(EFX_IS_P2ALIGNED(size_t, _offset,               \
                    sizeof (efx_oword_t)),                              \
                    ("not power of 2 aligned"));                        \
                                                                        \
                EFSYS_PROBE5(mem_writeo, unsigned int, (_offset),       \
                    uint32_t, (_eop)->eo_u32[3],                        \
                    uint32_t, (_eop)->eo_u32[2],                        \
                    uint32_t, (_eop)->eo_u32[1],                        \
                    uint32_t, (_eop)->eo_u32[0]);                       \
                                                                        \
                addr = (void *)((_esmp)->esm_base + (_offset));         \
                                                                        \
                *addr++ = (_eop)->eo_u64[0];                            \
                *addr   = (_eop)->eo_u64[1];                            \
                                                                        \
        _NOTE(CONSTANTCONDITION)                                        \
        } while (B_FALSE)
#else
#define EFSYS_MEM_WRITEO(_esmp, _offset, _eop)                          \
        do {                                                            \
                uint32_t *addr;                                         \
                                                                        \
                _NOTE(CONSTANTCONDITION)                                \
                KASSERT(EFX_IS_P2ALIGNED(size_t, _offset,               \
                    sizeof (efx_oword_t)),                              \
                    ("not power of 2 aligned"));                        \
                                                                        \
                EFSYS_PROBE5(mem_writeo, unsigned int, (_offset),       \
                    uint32_t, (_eop)->eo_u32[3],                        \
                    uint32_t, (_eop)->eo_u32[2],                        \
                    uint32_t, (_eop)->eo_u32[1],                        \
                    uint32_t, (_eop)->eo_u32[0]);                       \
                                                                        \
                addr = (void *)((_esmp)->esm_base + (_offset));         \
                                                                        \
                *addr++ = (_eop)->eo_u32[0];                            \
                *addr++ = (_eop)->eo_u32[1];                            \
                *addr++ = (_eop)->eo_u32[2];                            \
                *addr   = (_eop)->eo_u32[3];                            \
                                                                        \
        _NOTE(CONSTANTCONDITION)                                        \
        } while (B_FALSE)
#endif

/* BAR */

#define SFXGE_LOCK_NAME_MAX     16

typedef struct efsys_bar_s {
        struct mtx              esb_lock;
        char                    esb_lock_name[SFXGE_LOCK_NAME_MAX];
        bus_space_tag_t         esb_tag;
        bus_space_handle_t      esb_handle;
        int                     esb_rid;
        struct resource         *esb_res;
} efsys_bar_t;

#define SFXGE_BAR_LOCK_INIT(_esbp, _ifname)                             \
        do {                                                            \
                snprintf((_esbp)->esb_lock_name,                        \
                         sizeof((_esbp)->esb_lock_name),                \
                         "%s:bar", (_ifname));                          \
                mtx_init(&(_esbp)->esb_lock, (_esbp)->esb_lock_name,    \
                         NULL, MTX_DEF);                                \
        _NOTE(CONSTANTCONDITION)                                        \
        } while (B_FALSE)
#define SFXGE_BAR_LOCK_DESTROY(_esbp)                                   \
        mtx_destroy(&(_esbp)->esb_lock)
#define SFXGE_BAR_LOCK(_esbp)                                           \
        mtx_lock(&(_esbp)->esb_lock)
#define SFXGE_BAR_UNLOCK(_esbp)                                         \
        mtx_unlock(&(_esbp)->esb_lock)

#define EFSYS_BAR_READD(_esbp, _offset, _edp, _lock)                    \
        do {                                                            \
                _NOTE(CONSTANTCONDITION)                                \
                KASSERT(EFX_IS_P2ALIGNED(size_t, _offset,               \
                    sizeof (efx_dword_t)),                              \
                    ("not power of 2 aligned"));                        \
                                                                        \
                _NOTE(CONSTANTCONDITION)                                \
                if (_lock)                                              \
                        SFXGE_BAR_LOCK(_esbp);                          \
                                                                        \
                (_edp)->ed_u32[0] = bus_space_read_stream_4(            \
                    (_esbp)->esb_tag, (_esbp)->esb_handle,              \
                    (_offset));                                         \
                                                                        \
                EFSYS_PROBE2(bar_readd, unsigned int, (_offset),        \
                    uint32_t, (_edp)->ed_u32[0]);                       \
                                                                        \
                _NOTE(CONSTANTCONDITION)                                \
                if (_lock)                                              \
                        SFXGE_BAR_UNLOCK(_esbp);                        \
        _NOTE(CONSTANTCONDITION)                                        \
        } while (B_FALSE)

#if defined(SFXGE_USE_BUS_SPACE_8)
#define EFSYS_BAR_READQ(_esbp, _offset, _eqp)                           \
        do {                                                            \
                _NOTE(CONSTANTCONDITION)                                \
                KASSERT(EFX_IS_P2ALIGNED(size_t, _offset,               \
                    sizeof (efx_qword_t)),                              \
                    ("not power of 2 aligned"));                        \
                                                                        \
                SFXGE_BAR_LOCK(_esbp);                                  \
                                                                        \
                (_eqp)->eq_u64[0] = bus_space_read_stream_8(            \
                    (_esbp)->esb_tag, (_esbp)->esb_handle,              \
                    (_offset));                                         \
                                                                        \
                EFSYS_PROBE3(bar_readq, unsigned int, (_offset),        \
                    uint32_t, (_eqp)->eq_u32[1],                        \
                    uint32_t, (_eqp)->eq_u32[0]);                       \
                                                                        \
                SFXGE_BAR_UNLOCK(_esbp);                                \
        _NOTE(CONSTANTCONDITION)                                        \
        } while (B_FALSE)

#define EFSYS_BAR_READO(_esbp, _offset, _eop, _lock)                    \
        do {                                                            \
                _NOTE(CONSTANTCONDITION)                                \
                KASSERT(EFX_IS_P2ALIGNED(size_t, _offset,               \
                    sizeof (efx_oword_t)),                              \
                    ("not power of 2 aligned"));                        \
                                                                        \
                _NOTE(CONSTANTCONDITION)                                \
                if (_lock)                                              \
                        SFXGE_BAR_LOCK(_esbp);                          \
                                                                        \
                (_eop)->eo_u64[0] = bus_space_read_stream_8(            \
                    (_esbp)->esb_tag, (_esbp)->esb_handle,              \
                    (_offset));                                         \
                (_eop)->eo_u64[1] = bus_space_read_stream_8(            \
                    (_esbp)->esb_tag, (_esbp)->esb_handle,              \
                    (_offset) + 8);                                     \
                                                                        \
                EFSYS_PROBE5(bar_reado, unsigned int, (_offset),        \
                    uint32_t, (_eop)->eo_u32[3],                        \
                    uint32_t, (_eop)->eo_u32[2],                        \
                    uint32_t, (_eop)->eo_u32[1],                        \
                    uint32_t, (_eop)->eo_u32[0]);                       \
                                                                        \
                _NOTE(CONSTANTCONDITION)                                \
                if (_lock)                                              \
                        SFXGE_BAR_UNLOCK(_esbp);                        \
        _NOTE(CONSTANTCONDITION)                                        \
        } while (B_FALSE)

#else
#define EFSYS_BAR_READQ(_esbp, _offset, _eqp)                           \
        do {                                                            \
                _NOTE(CONSTANTCONDITION)                                \
                KASSERT(EFX_IS_P2ALIGNED(size_t, _offset,               \
                    sizeof (efx_qword_t)),                              \
                    ("not power of 2 aligned"));                        \
                                                                        \
                SFXGE_BAR_LOCK(_esbp);                                  \
                                                                        \
                (_eqp)->eq_u32[0] = bus_space_read_stream_4(            \
                    (_esbp)->esb_tag, (_esbp)->esb_handle,              \
                    (_offset));                                         \
                (_eqp)->eq_u32[1] = bus_space_read_stream_4(            \
                    (_esbp)->esb_tag, (_esbp)->esb_handle,              \
                    (_offset) + 4);                                     \
                                                                        \
                EFSYS_PROBE3(bar_readq, unsigned int, (_offset),        \
                    uint32_t, (_eqp)->eq_u32[1],                        \
                    uint32_t, (_eqp)->eq_u32[0]);                       \
                                                                        \
                SFXGE_BAR_UNLOCK(_esbp);                                \
        _NOTE(CONSTANTCONDITION)                                        \
        } while (B_FALSE)

#define EFSYS_BAR_READO(_esbp, _offset, _eop, _lock)                    \
        do {                                                            \
                _NOTE(CONSTANTCONDITION)                                \
                KASSERT(EFX_IS_P2ALIGNED(size_t, _offset,               \
                    sizeof (efx_oword_t)),                              \
                    ("not power of 2 aligned"));                        \
                                                                        \
                _NOTE(CONSTANTCONDITION)                                \
                if (_lock)                                              \
                        SFXGE_BAR_LOCK(_esbp);                          \
                                                                        \
                (_eop)->eo_u32[0] = bus_space_read_stream_4(            \
                    (_esbp)->esb_tag, (_esbp)->esb_handle,              \
                    (_offset));                                         \
                (_eop)->eo_u32[1] = bus_space_read_stream_4(            \
                    (_esbp)->esb_tag, (_esbp)->esb_handle,              \
                    (_offset) + 4);                                     \
                (_eop)->eo_u32[2] = bus_space_read_stream_4(            \
                    (_esbp)->esb_tag, (_esbp)->esb_handle,              \
                    (_offset) + 8);                                     \
                (_eop)->eo_u32[3] = bus_space_read_stream_4(            \
                    (_esbp)->esb_tag, (_esbp)->esb_handle,              \
                    (_offset) + 12);                                    \
                                                                        \
                EFSYS_PROBE5(bar_reado, unsigned int, (_offset),        \
                    uint32_t, (_eop)->eo_u32[3],                        \
                    uint32_t, (_eop)->eo_u32[2],                        \
                    uint32_t, (_eop)->eo_u32[1],                        \
                    uint32_t, (_eop)->eo_u32[0]);                       \
                                                                        \
                _NOTE(CONSTANTCONDITION)                                \
                if (_lock)                                              \
                        SFXGE_BAR_UNLOCK(_esbp);                        \
        _NOTE(CONSTANTCONDITION)                                        \
        } while (B_FALSE)
#endif

#define EFSYS_BAR_WRITED(_esbp, _offset, _edp, _lock)                   \
        do {                                                            \
                _NOTE(CONSTANTCONDITION)                                \
                KASSERT(EFX_IS_P2ALIGNED(size_t, _offset,               \
                    sizeof (efx_dword_t)),                              \
                    ("not power of 2 aligned"));                        \
                                                                        \
                _NOTE(CONSTANTCONDITION)                                \
                if (_lock)                                              \
                        SFXGE_BAR_LOCK(_esbp);                          \
                                                                        \
                EFSYS_PROBE2(bar_writed, unsigned int, (_offset),       \
                    uint32_t, (_edp)->ed_u32[0]);                       \
                                                                        \
                /*                                                      \
                 * Make sure that previous writes to the dword have     \
                 * been done. It should be cheaper than barrier just    \
                 * after the write below.                               \
                 */                                                     \
                bus_space_barrier((_esbp)->esb_tag, (_esbp)->esb_handle,\
                    (_offset), sizeof (efx_dword_t),                    \
                    BUS_SPACE_BARRIER_WRITE);                           \
                bus_space_write_stream_4((_esbp)->esb_tag,              \
                    (_esbp)->esb_handle,                                \
                    (_offset), (_edp)->ed_u32[0]);                      \
                                                                        \
                _NOTE(CONSTANTCONDITION)                                \
                if (_lock)                                              \
                        SFXGE_BAR_UNLOCK(_esbp);                        \
        _NOTE(CONSTANTCONDITION)                                        \
        } while (B_FALSE)

#if defined(SFXGE_USE_BUS_SPACE_8)
#define EFSYS_BAR_WRITEQ(_esbp, _offset, _eqp)                          \
        do {                                                            \
                _NOTE(CONSTANTCONDITION)                                \
                KASSERT(EFX_IS_P2ALIGNED(size_t, _offset,               \
                    sizeof (efx_qword_t)),                              \
                    ("not power of 2 aligned"));                        \
                                                                        \
                SFXGE_BAR_LOCK(_esbp);                                  \
                                                                        \
                EFSYS_PROBE3(bar_writeq, unsigned int, (_offset),       \
                    uint32_t, (_eqp)->eq_u32[1],                        \
                    uint32_t, (_eqp)->eq_u32[0]);                       \
                                                                        \
                /*                                                      \
                 * Make sure that previous writes to the qword have     \
                 * been done. It should be cheaper than barrier just    \
                 * after the write below.                               \
                 */                                                     \
                bus_space_barrier((_esbp)->esb_tag, (_esbp)->esb_handle,\
                    (_offset), sizeof (efx_qword_t),                    \
                    BUS_SPACE_BARRIER_WRITE);                           \
                bus_space_write_stream_8((_esbp)->esb_tag,              \
                    (_esbp)->esb_handle,                                \
                    (_offset), (_eqp)->eq_u64[0]);                      \
                                                                        \
                SFXGE_BAR_UNLOCK(_esbp);                                \
        _NOTE(CONSTANTCONDITION)                                        \
        } while (B_FALSE)
#else
#define EFSYS_BAR_WRITEQ(_esbp, _offset, _eqp)                          \
        do {                                                            \
                _NOTE(CONSTANTCONDITION)                                \
                KASSERT(EFX_IS_P2ALIGNED(size_t, _offset,               \
                    sizeof (efx_qword_t)),                              \
                    ("not power of 2 aligned"));                        \
                                                                        \
                SFXGE_BAR_LOCK(_esbp);                                  \
                                                                        \
                EFSYS_PROBE3(bar_writeq, unsigned int, (_offset),       \
                    uint32_t, (_eqp)->eq_u32[1],                        \
                    uint32_t, (_eqp)->eq_u32[0]);                       \
                                                                        \
                /*                                                      \
                 * Make sure that previous writes to the qword have     \
                 * been done. It should be cheaper than barrier just    \
                 * after the last write below.                          \
                 */                                                     \
                bus_space_barrier((_esbp)->esb_tag, (_esbp)->esb_handle,\
                    (_offset), sizeof (efx_qword_t),                    \
                    BUS_SPACE_BARRIER_WRITE);                           \
                bus_space_write_stream_4((_esbp)->esb_tag,              \
                    (_esbp)->esb_handle,                                \
                    (_offset), (_eqp)->eq_u32[0]);                      \
                /*                                                      \
                 * It should be guaranteed that the last dword comes    \
                 * the last, so barrier entire qword to be sure that    \
                 * neither above nor below writes are reordered.        \
                 */                                                     \
                bus_space_barrier((_esbp)->esb_tag, (_esbp)->esb_handle,\
                    (_offset), sizeof (efx_qword_t),                    \
                    BUS_SPACE_BARRIER_WRITE);                           \
                bus_space_write_stream_4((_esbp)->esb_tag,              \
                    (_esbp)->esb_handle,                                \
                    (_offset) + 4, (_eqp)->eq_u32[1]);                  \
                                                                        \
                SFXGE_BAR_UNLOCK(_esbp);                                \
        _NOTE(CONSTANTCONDITION)                                        \
        } while (B_FALSE)
#endif

/*
 * Guarantees 64bit aligned 64bit writes to write combined BAR mapping
 * (required by PIO hardware)
 */
#define EFSYS_BAR_WC_WRITEQ(_esbp, _offset, _eqp)                       \
        do {                                                            \
                _NOTE(CONSTANTCONDITION)                                \
                KASSERT(EFX_IS_P2ALIGNED(size_t, _offset,               \
                    sizeof (efx_qword_t)),                              \
                    ("not power of 2 aligned"));                        \
                                                                        \
                (void) (_esbp);                                         \
                (void) (_eqp);                                          \
                                                                        \
                /* FIXME: Perform a 64-bit write */                     \
                KASSERT(0, ("not implemented"));                        \
                                                                        \
        _NOTE(CONSTANTCONDITION)                                        \
        } while (B_FALSE)

#if defined(SFXGE_USE_BUS_SPACE_8)
#define EFSYS_BAR_WRITEO(_esbp, _offset, _eop, _lock)                   \
        do {                                                            \
                _NOTE(CONSTANTCONDITION)                                \
                KASSERT(EFX_IS_P2ALIGNED(size_t, _offset,               \
                    sizeof (efx_oword_t)),                              \
                    ("not power of 2 aligned"));                        \
                                                                        \
                _NOTE(CONSTANTCONDITION)                                \
                if (_lock)                                              \
                        SFXGE_BAR_LOCK(_esbp);                          \
                                                                        \
                EFSYS_PROBE5(bar_writeo, unsigned int, (_offset),       \
                    uint32_t, (_eop)->eo_u32[3],                        \
                    uint32_t, (_eop)->eo_u32[2],                        \
                    uint32_t, (_eop)->eo_u32[1],                        \
                    uint32_t, (_eop)->eo_u32[0]);                       \
                                                                        \
                /*                                                      \
                 * Make sure that previous writes to the oword have     \
                 * been done. It should be cheaper than barrier just    \
                 * after the last write below.                          \
                 */                                                     \
                bus_space_barrier((_esbp)->esb_tag, (_esbp)->esb_handle,\
                    (_offset), sizeof (efx_oword_t),                    \
                    BUS_SPACE_BARRIER_WRITE);                           \
                bus_space_write_stream_8((_esbp)->esb_tag,              \
                    (_esbp)->esb_handle,                                \
                    (_offset), (_eop)->eo_u64[0]);                      \
                /*                                                      \
                 * It should be guaranteed that the last qword comes    \
                 * the last, so barrier entire oword to be sure that    \
                 * neither above nor below writes are reordered.        \
                 */                                                     \
                bus_space_barrier((_esbp)->esb_tag, (_esbp)->esb_handle,\
                    (_offset), sizeof (efx_oword_t),                    \
                    BUS_SPACE_BARRIER_WRITE);                           \
                bus_space_write_stream_8((_esbp)->esb_tag,              \
                    (_esbp)->esb_handle,                                \
                    (_offset) + 8, (_eop)->eo_u64[1]);                  \
                                                                        \
                _NOTE(CONSTANTCONDITION)                                \
                if (_lock)                                              \
                        SFXGE_BAR_UNLOCK(_esbp);                        \
        _NOTE(CONSTANTCONDITION)                                        \
        } while (B_FALSE)

#else
#define EFSYS_BAR_WRITEO(_esbp, _offset, _eop, _lock)                   \
        do {                                                            \
                _NOTE(CONSTANTCONDITION)                                \
                KASSERT(EFX_IS_P2ALIGNED(size_t, _offset,               \
                    sizeof (efx_oword_t)),                              \
                    ("not power of 2 aligned"));                        \
                                                                        \
                _NOTE(CONSTANTCONDITION)                                \
                if (_lock)                                              \
                        SFXGE_BAR_LOCK(_esbp);                          \
                                                                        \
                EFSYS_PROBE5(bar_writeo, unsigned int, (_offset),       \
                    uint32_t, (_eop)->eo_u32[3],                        \
                    uint32_t, (_eop)->eo_u32[2],                        \
                    uint32_t, (_eop)->eo_u32[1],                        \
                    uint32_t, (_eop)->eo_u32[0]);                       \
                                                                        \
                /*                                                      \
                 * Make sure that previous writes to the oword have     \
                 * been done. It should be cheaper than barrier just    \
                 * after the last write below.                          \
                 */                                                     \
                bus_space_barrier((_esbp)->esb_tag, (_esbp)->esb_handle,\
                    (_offset), sizeof (efx_oword_t),                    \
                    BUS_SPACE_BARRIER_WRITE);                           \
                bus_space_write_stream_4((_esbp)->esb_tag,              \
                    (_esbp)->esb_handle,                                \
                    (_offset), (_eop)->eo_u32[0]);                      \
                bus_space_write_stream_4((_esbp)->esb_tag,              \
                    (_esbp)->esb_handle,                                \
                    (_offset) + 4, (_eop)->eo_u32[1]);                  \
                bus_space_write_stream_4((_esbp)->esb_tag,              \
                    (_esbp)->esb_handle,                                \
                    (_offset) + 8, (_eop)->eo_u32[2]);                  \
                /*                                                      \
                 * It should be guaranteed that the last dword comes    \
                 * the last, so barrier entire oword to be sure that    \
                 * neither above nor below writes are reordered.        \
                 */                                                     \
                bus_space_barrier((_esbp)->esb_tag, (_esbp)->esb_handle,\
                    (_offset), sizeof (efx_oword_t),                    \
                    BUS_SPACE_BARRIER_WRITE);                           \
                bus_space_write_stream_4((_esbp)->esb_tag,              \
                    (_esbp)->esb_handle,                                \
                    (_offset) + 12, (_eop)->eo_u32[3]);                 \
                                                                        \
                _NOTE(CONSTANTCONDITION)                                \
                if (_lock)                                              \
                        SFXGE_BAR_UNLOCK(_esbp);                        \
        _NOTE(CONSTANTCONDITION)                                        \
        } while (B_FALSE)
#endif

/* Use the standard octo-word write for doorbell writes */
#define EFSYS_BAR_DOORBELL_WRITEO(_esbp, _offset, _eop)                 \
        do {                                                            \
                EFSYS_BAR_WRITEO((_esbp), (_offset), (_eop), B_FALSE);  \
        _NOTE(CONSTANTCONDITION)                                        \
        } while (B_FALSE)

/* SPIN */

#define EFSYS_SPIN(_us)                                                 \
        do {                                                            \
                DELAY(_us);                                             \
        _NOTE(CONSTANTCONDITION)                                        \
        } while (B_FALSE)

#define EFSYS_SLEEP     EFSYS_SPIN

/* BARRIERS */

#define EFSYS_MEM_READ_BARRIER()        rmb()
#define EFSYS_PIO_WRITE_BARRIER()

/* DMA SYNC */
#define EFSYS_DMA_SYNC_FOR_KERNEL(_esmp, _offset, _size)                \
        do {                                                            \
                bus_dmamap_sync((_esmp)->esm_tag,                       \
                    (_esmp)->esm_map,                                   \
                    BUS_DMASYNC_POSTREAD);                              \
        _NOTE(CONSTANTCONDITION)                                        \
        } while (B_FALSE)

#define EFSYS_DMA_SYNC_FOR_DEVICE(_esmp, _offset, _size)                \
        do {                                                            \
                bus_dmamap_sync((_esmp)->esm_tag,                       \
                    (_esmp)->esm_map,                                   \
                    BUS_DMASYNC_PREWRITE);                              \
        _NOTE(CONSTANTCONDITION)                                        \
        } while (B_FALSE)

/* TIMESTAMP */

typedef clock_t efsys_timestamp_t;

#define EFSYS_TIMESTAMP(_usp)                                           \
        do {                                                            \
                clock_t now;                                            \
                                                                        \
                now = ticks;                                            \
                *(_usp) = now * hz / 1000000;                           \
        _NOTE(CONSTANTCONDITION)                                        \
        } while (B_FALSE)

/* KMEM */

#define EFSYS_KMEM_ALLOC(_esip, _size, _p)                              \
        do {                                                            \
                (_esip) = (_esip);                                      \
                /*                                                      \
                 * The macro is used in non-sleepable contexts, for     \
                 * example, holding a mutex.                            \
                 */                                                     \
                (_p) = malloc((_size), M_SFXGE, M_NOWAIT|M_ZERO);       \
        _NOTE(CONSTANTCONDITION)                                        \
        } while (B_FALSE)

#define EFSYS_KMEM_FREE(_esip, _size, _p)                               \
        do {                                                            \
                (void) (_esip);                                         \
                (void) (_size);                                         \
                free((_p), M_SFXGE);                                    \
        _NOTE(CONSTANTCONDITION)                                        \
        } while (B_FALSE)

/* LOCK */

typedef struct efsys_lock_s {
        struct mtx      lock;
        char            lock_name[SFXGE_LOCK_NAME_MAX];
} efsys_lock_t;

#define SFXGE_EFSYS_LOCK_INIT(_eslp, _ifname, _label)                   \
        do {                                                            \
                efsys_lock_t *__eslp = (_eslp);                         \
                                                                        \
                snprintf((__eslp)->lock_name,                           \
                         sizeof((__eslp)->lock_name),                   \
                         "%s:%s", (_ifname), (_label));                 \
                mtx_init(&(__eslp)->lock, (__eslp)->lock_name,          \
                         NULL, MTX_DEF);                                \
        } while (B_FALSE)
#define SFXGE_EFSYS_LOCK_DESTROY(_eslp)                                 \
        mtx_destroy(&(_eslp)->lock)
#define SFXGE_EFSYS_LOCK(_eslp)                                         \
        mtx_lock(&(_eslp)->lock)
#define SFXGE_EFSYS_UNLOCK(_eslp)                                       \
        mtx_unlock(&(_eslp)->lock)
#define SFXGE_EFSYS_LOCK_ASSERT_OWNED(_eslp)                            \
        mtx_assert(&(_eslp)->lock, MA_OWNED)

typedef int efsys_lock_state_t;

#define EFSYS_LOCK_MAGIC        0x000010c4

#define EFSYS_LOCK(_lockp, _state)                                      \
        do {                                                            \
                SFXGE_EFSYS_LOCK(_lockp);                               \
                (_state) = EFSYS_LOCK_MAGIC;                            \
        _NOTE(CONSTANTCONDITION)                                        \
        } while (B_FALSE)

#define EFSYS_UNLOCK(_lockp, _state)                                    \
        do {                                                            \
                if ((_state) != EFSYS_LOCK_MAGIC)                       \
                        KASSERT(B_FALSE, ("not locked"));               \
                SFXGE_EFSYS_UNLOCK(_lockp);                             \
        _NOTE(CONSTANTCONDITION)                                        \
        } while (B_FALSE)

/* STAT */

typedef uint64_t                efsys_stat_t;

#define EFSYS_STAT_INCR(_knp, _delta)                                   \
        do {                                                            \
                *(_knp) += (_delta);                                    \
        _NOTE(CONSTANTCONDITION)                                        \
        } while (B_FALSE)

#define EFSYS_STAT_DECR(_knp, _delta)                                   \
        do {                                                            \
                *(_knp) -= (_delta);                                    \
        _NOTE(CONSTANTCONDITION)                                        \
        } while (B_FALSE)

#define EFSYS_STAT_SET(_knp, _val)                                      \
        do {                                                            \
                *(_knp) = (_val);                                       \
        _NOTE(CONSTANTCONDITION)                                        \
        } while (B_FALSE)

#define EFSYS_STAT_SET_QWORD(_knp, _valp)                               \
        do {                                                            \
                *(_knp) = le64toh((_valp)->eq_u64[0]);                  \
        _NOTE(CONSTANTCONDITION)                                        \
        } while (B_FALSE)

#define EFSYS_STAT_SET_DWORD(_knp, _valp)                               \
        do {                                                            \
                *(_knp) = le32toh((_valp)->ed_u32[0]);                  \
        _NOTE(CONSTANTCONDITION)                                        \
        } while (B_FALSE)

#define EFSYS_STAT_INCR_QWORD(_knp, _valp)                              \
        do {                                                            \
                *(_knp) += le64toh((_valp)->eq_u64[0]);                 \
        _NOTE(CONSTANTCONDITION)                                        \
        } while (B_FALSE)

#define EFSYS_STAT_SUBR_QWORD(_knp, _valp)                              \
        do {                                                            \
                *(_knp) -= le64toh((_valp)->eq_u64[0]);                 \
        _NOTE(CONSTANTCONDITION)                                        \
        } while (B_FALSE)

/* ERR */

extern void     sfxge_err(efsys_identifier_t *, unsigned int,
                    uint32_t, uint32_t);

#if EFSYS_OPT_DECODE_INTR_FATAL
#define EFSYS_ERR(_esip, _code, _dword0, _dword1)                       \
        do {                                                            \
                sfxge_err((_esip), (_code), (_dword0), (_dword1));      \
        _NOTE(CONSTANTCONDITION)                                        \
        } while (B_FALSE)
#endif

/* ASSERT */

#define EFSYS_ASSERT(_exp) do {                                         \
        if (!(_exp))                                                    \
                panic("%s", #_exp);                                     \
        } while (0)

#define EFSYS_ASSERT3(_x, _op, _y, _t) do {                             \
        const _t __x = (_t)(_x);                                        \
        const _t __y = (_t)(_y);                                        \
        if (!(__x _op __y))                                             \
                panic("assertion failed at %s:%u", __FILE__, __LINE__); \
        } while(0)

#define EFSYS_ASSERT3U(_x, _op, _y)     EFSYS_ASSERT3(_x, _op, _y, uint64_t)
#define EFSYS_ASSERT3S(_x, _op, _y)     EFSYS_ASSERT3(_x, _op, _y, int64_t)
#define EFSYS_ASSERT3P(_x, _op, _y)     EFSYS_ASSERT3(_x, _op, _y, uintptr_t)

/* ROTATE */

#define EFSYS_HAS_ROTL_DWORD 0

#ifdef  __cplusplus
}
#endif

#endif  /* _SYS_EFSYS_H */