251 lines
6.7 KiB
C
251 lines
6.7 KiB
C
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/* SPDX-License-Identifier: BSD-3-Clause */
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/* Copyright (c) 2021, Intel Corporation
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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 are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND 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 COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*$FreeBSD$*/
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/**
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* @file iavf_osdep.h
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* @brief OS compatibility layer definitions
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*
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* Contains macros and definitions used to implement an OS compatibility layer
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* used by some of the hardware files.
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*/
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#ifndef _IAVF_OSDEP_H_
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#define _IAVF_OSDEP_H_
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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/endian.h>
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#include <sys/mbuf.h>
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#include <sys/protosw.h>
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#include <sys/socket.h>
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#include <sys/malloc.h>
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#include <sys/kernel.h>
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#include <sys/bus.h>
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#include <machine/bus.h>
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#include <sys/rman.h>
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#include <machine/resource.h>
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#include <vm/vm.h>
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#include <vm/pmap.h>
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#include <machine/clock.h>
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#include <dev/pci/pcivar.h>
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#include <dev/pci/pcireg.h>
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#include "iavf_status.h"
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#include "iavf_debug.h"
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#define iavf_usec_delay(x) DELAY(x)
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#define iavf_msec_delay(x) DELAY(1000 * (x))
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#define DBG 0
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#define DEBUGFUNC(F) DEBUGOUT(F);
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#if DBG
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#define DEBUGOUT(S) printf(S "\n")
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#define DEBUGOUT1(S,A) printf(S "\n",A)
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#define DEBUGOUT2(S,A,B) printf(S "\n",A,B)
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#define DEBUGOUT3(S,A,B,C) printf(S "\n",A,B,C)
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#define DEBUGOUT7(S,A,B,C,D,E,F,G) printf(S "\n",A,B,C,D,E,F,G)
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#else
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#define DEBUGOUT(S)
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#define DEBUGOUT1(S,A)
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#define DEBUGOUT2(S,A,B)
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#define DEBUGOUT3(S,A,B,C)
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#define DEBUGOUT6(S,A,B,C,D,E,F)
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#define DEBUGOUT7(S,A,B,C,D,E,F,G)
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#endif
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#define UNREFERENCED_PARAMETER(_p) _p = _p
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#define UNREFERENCED_1PARAMETER(_p) do { \
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UNREFERENCED_PARAMETER(_p); \
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} while (0)
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#define UNREFERENCED_2PARAMETER(_p, _q) do { \
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UNREFERENCED_PARAMETER(_p); \
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UNREFERENCED_PARAMETER(_q); \
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} while (0)
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#define UNREFERENCED_3PARAMETER(_p, _q, _r) do { \
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UNREFERENCED_PARAMETER(_p); \
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UNREFERENCED_PARAMETER(_q); \
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UNREFERENCED_PARAMETER(_r); \
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} while (0)
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#define UNREFERENCED_4PARAMETER(_p, _q, _r, _s) do { \
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UNREFERENCED_PARAMETER(_p); \
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UNREFERENCED_PARAMETER(_q); \
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UNREFERENCED_PARAMETER(_r); \
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UNREFERENCED_PARAMETER(_s); \
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} while (0)
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#define UNREFERENCED_5PARAMETER(_p, _q, _r, _s, _t) do { \
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UNREFERENCED_PARAMETER(_p); \
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UNREFERENCED_PARAMETER(_q); \
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UNREFERENCED_PARAMETER(_r); \
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UNREFERENCED_PARAMETER(_s); \
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UNREFERENCED_PARAMETER(_t); \
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} while (0)
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#define STATIC static
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#define INLINE inline
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#define iavf_memset(a, b, c, d) memset((a), (b), (c))
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#define iavf_memcpy(a, b, c, d) memcpy((a), (b), (c))
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#define CPU_TO_LE16(o) htole16(o)
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#define CPU_TO_LE32(s) htole32(s)
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#define CPU_TO_LE64(h) htole64(h)
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#define LE16_TO_CPU(a) le16toh(a)
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#define LE32_TO_CPU(c) le32toh(c)
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#define LE64_TO_CPU(k) le64toh(k)
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/**
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* @typedef u8
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* @brief compatibility typedef for uint8_t
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*/
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typedef uint8_t u8;
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/**
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* @typedef s8
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* @brief compatibility typedef for int8_t
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*/
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typedef int8_t s8;
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/**
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* @typedef u16
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* @brief compatibility typedef for uint16_t
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*/
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typedef uint16_t u16;
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/**
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* @typedef s16
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* @brief compatibility typedef for int16_t
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*/
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typedef int16_t s16;
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/**
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* @typedef u32
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* @brief compatibility typedef for uint32_t
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*/
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typedef uint32_t u32;
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/**
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* @typedef s32
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* @brief compatibility typedef for int32_t
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*/
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typedef int32_t s32;
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/**
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* @typedef u64
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* @brief compatibility typedef for uint64_t
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*/
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typedef uint64_t u64;
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#define __le16 u16
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#define __le32 u32
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#define __le64 u64
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#define __be16 u16
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#define __be32 u32
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#define __be64 u64
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/**
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* @struct iavf_spinlock
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* @brief OS wrapper for a non-sleeping lock
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*
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* Wrapper used to provide an implementation of a non-sleeping lock.
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*/
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struct iavf_spinlock {
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struct mtx mutex;
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};
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/**
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* @struct iavf_osdep
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* @brief Storage for data used by the osdep interface
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*
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* Contains data used by the osdep layer. Accessed via the hw->back pointer.
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*/
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struct iavf_osdep {
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bus_space_tag_t mem_bus_space_tag;
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bus_space_handle_t mem_bus_space_handle;
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bus_size_t mem_bus_space_size;
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uint32_t flush_reg;
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int i2c_intfc_num;
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device_t dev;
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};
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/**
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* @struct iavf_dma_mem
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* @brief DMA memory map
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*
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* Structure representing a DMA memory mapping.
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*/
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struct iavf_dma_mem {
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void *va;
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u64 pa;
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bus_dma_tag_t tag;
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bus_dmamap_t map;
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bus_dma_segment_t seg;
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bus_size_t size;
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int nseg;
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int flags;
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};
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/**
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* @struct iavf_virt_mem
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* @brief Virtual memory
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*
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* Structure representing some virtual memory.
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*/
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struct iavf_virt_mem {
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void *va;
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u32 size;
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};
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struct iavf_hw; /* forward decl */
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u16 iavf_read_pci_cfg(struct iavf_hw *, u32);
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void iavf_write_pci_cfg(struct iavf_hw *, u32, u16);
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/*
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** iavf_debug - OS dependent version of shared code debug printing
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*/
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#define iavf_debug(h, m, s, ...) iavf_debug_shared(h, m, s, ##__VA_ARGS__)
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void iavf_debug_shared(struct iavf_hw *hw, uint64_t mask,
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char *fmt_str, ...) __printflike(3, 4);
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/*
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** This hardware supports either 16 or 32 byte rx descriptors;
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** the driver only uses the 32 byte kind.
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*/
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#define iavf_rx_desc iavf_32byte_rx_desc
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uint32_t iavf_rd32(struct iavf_hw *hw, uint32_t reg);
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void iavf_wr32(struct iavf_hw *hw, uint32_t reg, uint32_t val);
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void iavf_flush(struct iavf_hw *hw);
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#define rd32(hw, reg) iavf_rd32(hw, reg)
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#define wr32(hw, reg, val) iavf_wr32(hw, reg, val)
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#endif /* _IAVF_OSDEP_H_ */
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