The Design and Implementation of the FreeBSD Operating System, Second Edition
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FreeBSD/Linux Kernel Cross Reference
sys/dev/em/e1000_osdep.h

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    1 /**************************************************************************
    2 
    3 Copyright (c) 2001-2007, Intel Corporation
    4 All rights reserved.
    5 
    6 Redistribution and use in source and binary forms, with or without
    7 modification, are permitted provided that the following conditions are met:
    8 
    9  1. Redistributions of source code must retain the above copyright notice,
   10     this list of conditions and the following disclaimer.
   11 
   12  2. Redistributions in binary form must reproduce the above copyright
   13     notice, this list of conditions and the following disclaimer in the
   14     documentation and/or other materials provided with the distribution.
   15 
   16  3. Neither the name of the Intel Corporation nor the names of its
   17     contributors may be used to endorse or promote products derived from
   18     this software without specific prior written permission.
   19 
   20 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   21 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   22 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   23 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
   24 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   25 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   26 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   27 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   28 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   29 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   30 POSSIBILITY OF SUCH DAMAGE.
   31 
   32 ***************************************************************************/
   33 /* $FreeBSD$ */
   34 
   35 
   36 #ifndef _FREEBSD_OS_H_
   37 #define _FREEBSD_OS_H_
   38 
   39 #include <sys/types.h>
   40 #include <sys/param.h>
   41 #include <sys/systm.h>
   42 #include <sys/mbuf.h>
   43 #include <sys/protosw.h>
   44 #include <sys/socket.h>
   45 #include <sys/malloc.h>
   46 #include <sys/kernel.h>
   47 #include <sys/bus.h>
   48 #include <machine/bus.h>
   49 #include <sys/rman.h>
   50 #include <machine/resource.h>
   51 #include <vm/vm.h>
   52 #include <vm/pmap.h>
   53 #include <machine/clock.h>
   54 #include <dev/pci/pcivar.h>
   55 #include <dev/pci/pcireg.h>
   56 
   57 
   58 #define ASSERT(x) if(!(x)) panic("EM: x")
   59 
   60 /* The happy-fun DELAY macro is defined in /usr/src/sys/i386/include/clock.h */
   61 #define usec_delay(x) DELAY(x)
   62 #define msec_delay(x) DELAY(1000*(x))
   63 /* TODO: Should we be paranoid about delaying in interrupt context? */
   64 #define msec_delay_irq(x) DELAY(1000*(x))
   65 
   66 #define MSGOUT(S, A, B)     printf(S "\n", A, B)
   67 #define DEBUGFUNC(F)        DEBUGOUT(F);
   68         #define DEBUGOUT(S)
   69         #define DEBUGOUT1(S,A)
   70         #define DEBUGOUT2(S,A,B)
   71         #define DEBUGOUT3(S,A,B,C)
   72         #define DEBUGOUT7(S,A,B,C,D,E,F,G)
   73 
   74 #define STATIC                          static
   75 #define FALSE               0
   76 #define TRUE                1
   77 #define CMD_MEM_WRT_INVALIDATE          0x0010  /* BIT_4 */
   78 #define PCI_COMMAND_REGISTER            PCIR_COMMAND
   79 
   80 /*
   81 ** These typedefs are necessary due to the new
   82 ** shared code, they are native to Linux.
   83 */
   84 typedef uint64_t        u64;
   85 typedef uint32_t        u32;
   86 typedef uint16_t        u16;
   87 typedef uint8_t         u8;
   88 typedef int64_t         s64;
   89 typedef int32_t         s32;
   90 typedef int16_t         s16;
   91 typedef int8_t          s8;
   92 typedef boolean_t       bool;
   93 
   94 struct e1000_osdep
   95 {
   96         bus_space_tag_t    mem_bus_space_tag;
   97         bus_space_handle_t mem_bus_space_handle;
   98         bus_space_tag_t    io_bus_space_tag;
   99         bus_space_handle_t io_bus_space_handle;
  100         bus_space_tag_t    flash_bus_space_tag;
  101         bus_space_handle_t flash_bus_space_handle;
  102         struct device     *dev;
  103 };
  104 
  105 #ifdef NO_82542_SUPPORT
  106 #define E1000_REGISTER(hw, reg) reg
  107 #else
  108 #define E1000_REGISTER(hw, reg) (((hw)->mac.type >= e1000_82543) \
  109     ? reg : e1000_translate_register_82542(reg))
  110 #endif
  111 
  112 #define E1000_WRITE_FLUSH(a) E1000_READ_REG(a, E1000_STATUS)
  113 
  114 /* Read from an absolute offset in the adapter's memory space */
  115 #define E1000_READ_OFFSET(hw, offset) \
  116     bus_space_read_4(((struct e1000_osdep *)(hw)->back)->mem_bus_space_tag, \
  117     ((struct e1000_osdep *)(hw)->back)->mem_bus_space_handle, offset)
  118 
  119 /* Write to an absolute offset in the adapter's memory space */
  120 #define E1000_WRITE_OFFSET(hw, offset, value) \
  121     bus_space_write_4(((struct e1000_osdep *)(hw)->back)->mem_bus_space_tag, \
  122     ((struct e1000_osdep *)(hw)->back)->mem_bus_space_handle, offset, value)
  123 
  124 /* Register READ/WRITE macros */
  125 
  126 #define E1000_READ_REG(hw, reg) \
  127     bus_space_read_4(((struct e1000_osdep *)(hw)->back)->mem_bus_space_tag, \
  128         ((struct e1000_osdep *)(hw)->back)->mem_bus_space_handle, \
  129         E1000_REGISTER(hw, reg))
  130 
  131 #define E1000_WRITE_REG(hw, reg, value) \
  132     bus_space_write_4(((struct e1000_osdep *)(hw)->back)->mem_bus_space_tag, \
  133         ((struct e1000_osdep *)(hw)->back)->mem_bus_space_handle, \
  134         E1000_REGISTER(hw, reg), value)
  135 
  136 #define E1000_READ_REG_ARRAY(hw, reg, index) \
  137     bus_space_read_4(((struct e1000_osdep *)(hw)->back)->mem_bus_space_tag, \
  138         ((struct e1000_osdep *)(hw)->back)->mem_bus_space_handle, \
  139         E1000_REGISTER(hw, reg) + ((index)<< 2))
  140 
  141 #define E1000_WRITE_REG_ARRAY(hw, reg, index, value) \
  142     bus_space_write_4(((struct e1000_osdep *)(hw)->back)->mem_bus_space_tag, \
  143         ((struct e1000_osdep *)(hw)->back)->mem_bus_space_handle, \
  144         E1000_REGISTER(hw, reg) + ((index)<< 2), value)
  145 
  146 #define E1000_READ_REG_ARRAY_DWORD E1000_READ_REG_ARRAY
  147 #define E1000_WRITE_REG_ARRAY_DWORD E1000_WRITE_REG_ARRAY
  148 
  149 #define E1000_READ_REG_ARRAY_BYTE(hw, reg, index) \
  150     bus_space_read_1(((struct e1000_osdep *)(hw)->back)->mem_bus_space_tag, \
  151         ((struct e1000_osdep *)(hw)->back)->mem_bus_space_handle, \
  152         E1000_REGISTER(hw, reg) + index)
  153 
  154 #define E1000_WRITE_REG_ARRAY_BYTE(hw, reg, index, value) \
  155     bus_space_write_1(((struct e1000_osdep *)(hw)->back)->mem_bus_space_tag, \
  156         ((struct e1000_osdep *)(hw)->back)->mem_bus_space_handle, \
  157         E1000_REGISTER(hw, reg) + index, value)
  158 
  159 #define E1000_WRITE_REG_ARRAY_WORD(hw, reg, index, value) \
  160     bus_space_write_2(((struct e1000_osdep *)(hw)->back)->mem_bus_space_tag, \
  161         ((struct e1000_osdep *)(hw)->back)->mem_bus_space_handle, \
  162         E1000_REGISTER(hw, reg) + (index << 1), value)
  163 
  164 #define E1000_WRITE_REG_IO(hw, reg, value) do {\
  165     bus_space_write_4(((struct e1000_osdep *)(hw)->back)->io_bus_space_tag, \
  166         ((struct e1000_osdep *)(hw)->back)->io_bus_space_handle, \
  167         (hw)->io_base, reg); \
  168     bus_space_write_4(((struct e1000_osdep *)(hw)->back)->io_bus_space_tag, \
  169         ((struct e1000_osdep *)(hw)->back)->io_bus_space_handle, \
  170         (hw)->io_base + 4, value); } while (0)
  171 
  172 #define E1000_READ_FLASH_REG(hw, reg) \
  173     bus_space_read_4(((struct e1000_osdep *)(hw)->back)->flash_bus_space_tag, \
  174         ((struct e1000_osdep *)(hw)->back)->flash_bus_space_handle, reg)
  175 
  176 #define E1000_READ_FLASH_REG16(hw, reg) \
  177     bus_space_read_2(((struct e1000_osdep *)(hw)->back)->flash_bus_space_tag, \
  178         ((struct e1000_osdep *)(hw)->back)->flash_bus_space_handle, reg)
  179 
  180 #define E1000_WRITE_FLASH_REG(hw, reg, value) \
  181     bus_space_write_4(((struct e1000_osdep *)(hw)->back)->flash_bus_space_tag, \
  182         ((struct e1000_osdep *)(hw)->back)->flash_bus_space_handle, reg, value)
  183 
  184 #define E1000_WRITE_FLASH_REG16(hw, reg, value) \
  185     bus_space_write_2(((struct e1000_osdep *)(hw)->back)->flash_bus_space_tag, \
  186         ((struct e1000_osdep *)(hw)->back)->flash_bus_space_handle, reg, value)
  187 
  188 #endif  /* _FREEBSD_OS_H_ */
  189

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