The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)

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FreeBSD/Linux Kernel Cross Reference
sys/dev/ixgbe/ixgbe_osdep.h

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    1 /******************************************************************************
    2   SPDX-License-Identifier: BSD-3-Clause
    3 
    4   Copyright (c) 2001-2020, Intel Corporation
    5   All rights reserved.
    6 
    7   Redistribution and use in source and binary forms, with or without
    8   modification, are permitted provided that the following conditions are met:
    9 
   10    1. Redistributions of source code must retain the above copyright notice,
   11       this list of conditions and the following disclaimer.
   12 
   13    2. Redistributions in binary form must reproduce the above copyright
   14       notice, this list of conditions and the following disclaimer in the
   15       documentation and/or other materials provided with the distribution.
   16 
   17    3. Neither the name of the Intel Corporation nor the names of its
   18       contributors may be used to endorse or promote products derived from
   19       this software without specific prior written permission.
   20 
   21   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   22   AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   23   IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   24   ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
   25   LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   26   CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   27   SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   28   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   29   CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   30   ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   31   POSSIBILITY OF SUCH DAMAGE.
   32 
   33 ******************************************************************************/
   34 /*$FreeBSD$*/
   35 
   36 #ifndef _IXGBE_OSDEP_H_
   37 #define _IXGBE_OSDEP_H_
   38 
   39 #include <sys/types.h>
   40 #include <sys/param.h>
   41 #include <sys/endian.h>
   42 #include <sys/systm.h>
   43 #include <sys/mbuf.h>
   44 #include <sys/protosw.h>
   45 #include <sys/socket.h>
   46 #include <sys/malloc.h>
   47 #include <sys/kernel.h>
   48 #include <sys/bus.h>
   49 #include <machine/bus.h>
   50 #include <sys/rman.h>
   51 #include <machine/resource.h>
   52 #include <vm/vm.h>
   53 #include <vm/pmap.h>
   54 #include <machine/clock.h>
   55 #include <dev/pci/pcivar.h>
   56 #include <dev/pci/pcireg.h>
   57 
   58 #define ASSERT(x) if(!(x)) panic("IXGBE: x")
   59 #define EWARN(H, W) printf(W)
   60 
   61 enum {
   62         IXGBE_ERROR_SOFTWARE,
   63         IXGBE_ERROR_POLLING,
   64         IXGBE_ERROR_INVALID_STATE,
   65         IXGBE_ERROR_UNSUPPORTED,
   66         IXGBE_ERROR_ARGUMENT,
   67         IXGBE_ERROR_CAUTION,
   68 };
   69 
   70 /* The happy-fun DELAY macro is defined in /usr/src/sys/i386/include/clock.h */
   71 #define usec_delay(x) DELAY(x)
   72 #define msec_delay(x) DELAY(1000*(x))
   73 
   74 #define DBG 0
   75 #define MSGOUT(S, A, B)     printf(S "\n", A, B)
   76 #define DEBUGFUNC(F)        DEBUGOUT(F);
   77 #if DBG
   78         #define DEBUGOUT(S)         printf(S "\n")
   79         #define DEBUGOUT1(S,A)      printf(S "\n",A)
   80         #define DEBUGOUT2(S,A,B)    printf(S "\n",A,B)
   81         #define DEBUGOUT3(S,A,B,C)  printf(S "\n",A,B,C)
   82         #define DEBUGOUT4(S,A,B,C,D)  printf(S "\n",A,B,C,D)
   83         #define DEBUGOUT5(S,A,B,C,D,E)  printf(S "\n",A,B,C,D,E)
   84         #define DEBUGOUT6(S,A,B,C,D,E,F)  printf(S "\n",A,B,C,D,E,F)
   85         #define DEBUGOUT7(S,A,B,C,D,E,F,G)  printf(S "\n",A,B,C,D,E,F,G)
   86         #define ERROR_REPORT1 ERROR_REPORT
   87         #define ERROR_REPORT2 ERROR_REPORT
   88         #define ERROR_REPORT3 ERROR_REPORT
   89         #define ERROR_REPORT(level, format, arg...) do { \
   90                 switch (level) { \
   91                 case IXGBE_ERROR_SOFTWARE: \
   92                 case IXGBE_ERROR_CAUTION: \
   93                 case IXGBE_ERROR_POLLING: \
   94                 case IXGBE_ERROR_INVALID_STATE: \
   95                 case IXGBE_ERROR_UNSUPPORTED: \
   96                 case IXGBE_ERROR_ARGUMENT: \
   97                         device_printf(ixgbe_dev_from_hw(hw), format, ## arg); \
   98                         break; \
   99                 default: \
  100                         break; \
  101                 } \
  102         } while (0)
  103 #else
  104         #define DEBUGOUT(S)
  105         #define DEBUGOUT1(S,A)
  106         #define DEBUGOUT2(S,A,B)
  107         #define DEBUGOUT3(S,A,B,C)
  108         #define DEBUGOUT4(S,A,B,C,D)
  109         #define DEBUGOUT5(S,A,B,C,D,E)
  110         #define DEBUGOUT6(S,A,B,C,D,E,F)
  111         #define DEBUGOUT7(S,A,B,C,D,E,F,G)
  112 
  113         #define ERROR_REPORT1(S,A)
  114         #define ERROR_REPORT2(S,A,B)
  115         #define ERROR_REPORT3(S,A,B,C)
  116 #endif
  117 
  118 #define CMD_MEM_WRT_INVALIDATE          0x0010  /* BIT_4 */
  119 #define PCI_COMMAND_REGISTER            PCIR_COMMAND
  120 
  121 /* Shared code dropped this define.. */
  122 #define IXGBE_INTEL_VENDOR_ID           0x8086
  123 
  124 /* Bunch of defines for shared code bogosity */
  125 #define UNREFERENCED_PARAMETER(_p)
  126 #define UNREFERENCED_1PARAMETER(_p)
  127 #define UNREFERENCED_2PARAMETER(_p, _q)
  128 #define UNREFERENCED_3PARAMETER(_p, _q, _r)
  129 #define UNREFERENCED_4PARAMETER(_p, _q, _r, _s)
  130 
  131 #define IXGBE_NTOHL(_i) ntohl(_i)
  132 #define IXGBE_NTOHS(_i) ntohs(_i)
  133 
  134 /* XXX these need to be revisited */
  135 #define IXGBE_CPU_TO_LE16 htole16
  136 #define IXGBE_CPU_TO_LE32 htole32
  137 #define IXGBE_LE32_TO_CPU le32toh
  138 #define IXGBE_LE32_TO_CPUS(x)
  139 #define IXGBE_CPU_TO_BE16 htobe16
  140 #define IXGBE_CPU_TO_BE32 htobe32
  141 #define IXGBE_BE32_TO_CPU be32toh
  142 
  143 typedef uint8_t         u8;
  144 typedef int8_t          s8;
  145 typedef uint16_t        u16;
  146 typedef int16_t         s16;
  147 typedef uint32_t        u32;
  148 typedef int32_t         s32;
  149 typedef uint64_t        u64;
  150 #ifndef __bool_true_false_are_defined
  151 typedef boolean_t       bool;
  152 #endif
  153 
  154 /* shared code requires this */
  155 #define __le16  u16
  156 #define __le32  u32
  157 #define __le64  u64
  158 #define __be16  u16
  159 #define __be32  u32
  160 #define __be64  u64
  161 
  162 #define le16_to_cpu
  163 
  164 #if __FreeBSD_version < 800000
  165 #if defined(__i386__) || defined(__amd64__)
  166 #define mb()    __asm volatile("mfence" ::: "memory")
  167 #define wmb()   __asm volatile("sfence" ::: "memory")
  168 #define rmb()   __asm volatile("lfence" ::: "memory")
  169 #else
  170 #define mb()
  171 #define rmb()
  172 #define wmb()
  173 #endif
  174 #endif
  175 
  176 #if defined(__i386__) || defined(__amd64__)
  177 static __inline
  178 void prefetch(void *x)
  179 {
  180         __asm volatile("prefetcht0 %0" :: "m" (*(unsigned long *)x));
  181 }
  182 #else
  183 #define prefetch(x)
  184 #endif
  185 
  186 /*
  187  * Optimized bcopy thanks to Luigi Rizzo's investigative work.  Assumes
  188  * non-overlapping regions and 32-byte padding on both src and dst.
  189  */
  190 static __inline int
  191 ixgbe_bcopy(void *restrict _src, void *restrict _dst, int l)
  192 {
  193         uint64_t *src = _src;
  194         uint64_t *dst = _dst;
  195 
  196         for (; l > 0; l -= 32) {
  197                 *dst++ = *src++;
  198                 *dst++ = *src++;
  199                 *dst++ = *src++;
  200                 *dst++ = *src++;
  201         }
  202         return (0);
  203 }
  204 
  205 struct ixgbe_osdep
  206 {
  207         bus_space_tag_t    mem_bus_space_tag;
  208         bus_space_handle_t mem_bus_space_handle;
  209 };
  210 
  211 /* These routines need struct ixgbe_hw declared */
  212 struct ixgbe_hw;
  213 
  214 /* These routines are needed by the shared code */
  215 extern u16 ixgbe_read_pci_cfg(struct ixgbe_hw *, u32);
  216 #define IXGBE_READ_PCIE_WORD ixgbe_read_pci_cfg
  217 
  218 extern void ixgbe_write_pci_cfg(struct ixgbe_hw *, u32, u16);
  219 #define IXGBE_WRITE_PCIE_WORD ixgbe_write_pci_cfg
  220 
  221 #define IXGBE_WRITE_FLUSH(a) IXGBE_READ_REG(a, IXGBE_STATUS)
  222 
  223 extern u32 ixgbe_read_reg(struct ixgbe_hw *, u32);
  224 #define IXGBE_READ_REG(a, reg) ixgbe_read_reg(a, reg)
  225 
  226 extern void ixgbe_write_reg(struct ixgbe_hw *, u32, u32);
  227 #define IXGBE_WRITE_REG(a, reg, val) ixgbe_write_reg(a, reg, val)
  228 
  229 extern u32 ixgbe_read_reg_array(struct ixgbe_hw *, u32, u32);
  230 #define IXGBE_READ_REG_ARRAY(a, reg, offset) \
  231     ixgbe_read_reg_array(a, reg, offset)
  232 
  233 extern void ixgbe_write_reg_array(struct ixgbe_hw *, u32, u32, u32);
  234 #define IXGBE_WRITE_REG_ARRAY(a, reg, offset, val) \
  235     ixgbe_write_reg_array(a, reg, offset, val)
  236 
  237 #endif /* _IXGBE_OSDEP_H_ */

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