FreeBSD/Linux Kernel Cross Reference
sys/dev/pms/freebsd/driver/common/osenv.h

     /*******************************************************************************
     *Copyright (c) 2014 PMC-Sierra, Inc.  All rights reserved. 
     *
     *Redistribution and use in source and binary forms, with or without modification, are permitted provided 
     *that the following conditions are met: 
     *1. Redistributions of source code must retain the above copyright notice, this list of conditions and the
     *following disclaimer. 
     *2. Redistributions in binary form must reproduce the above copyright notice, 
     *this list of conditions and the following disclaimer in the documentation and/or other materials provided
    *with the distribution. 
    *
    *THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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
    *
    * $FreeBSD$
    *
    *******************************************************************************/
    /***************************************************************************
    
    Version Control Information:
     
    $RCSfile: osenv.h,v $
    $Revision: 114125 $
    
    Note:  This file defines the working environment of the system.  All
           defines listed in this file could also be compiler flags.
           I am listing all the defines (even if used as a compiler flag)
           so that they can be seen and documented.
    ***************************************************************************/
    
    #ifndef __OSENV_H__
    #define __OSENV_H__
    #include <dev/pms/freebsd/driver/common/osstring.h>
    
    /* 
    ** Define the protocols to compile with.  Currently, these defines are
    ** only for this header file and are used further down to define the protocol
    ** specific environment:
    **
    **      #define AG_PROTOCOL_ISCSI
    **      #define AG_PROTOCOL_FC
    */
    
    /* 
    ** Define the application types:
    **
    **      #define INITIATOR_DRIVER
    **      #define TARGET_DRIVER
    */ 
    
    /* 
    ** Define the endian-ness of the host CPU using one of the following:
    **
    **      #define AG_CPU_LITTLE_ENDIAN
    **      #define AG_CPU_BIG_ENDIAN
    */ 
    
    /*
    ** Define the host CPU word size 
    **
    **      #define AG_CPU_32_BIT
    **      #define AG_CPU_64_BIT
    **
    */
    #ifdef CONFIG_IA64
    #define AG_CPU_64_BIT
    #else
    #define AG_CPU_32_BIT
    #endif
    
    /*
    ** The following allow the code to use defines for word alignment and adding
    ** to allow for 32bit and 64bit system differences.
    */
    #ifdef AG_CPU_32_BIT
    #define AG_WORD_ALIGN_ADD      3
    #define AG_WORD_ALIGN_MASK     0xfffffffc
    #else
    #define AG_WORD_ALIGN_ADD      7
    #define AG_WORD_ALIGN_MASK     0xfffffff8
    #endif
    
    /***************************************************************************
    iSCSI environment - The following is used for compiling the iSCSI
                         protocol.
    **************************************************************************/
    
    /*
    ** Define the existence of an external bus swapper using on of the
    ** following: 
    **
    **      #define AG_SWAPPING_BUS
    **      #define AG_NON_SWAPPING_BUS
   **
   */
   
   /*
   ** Define the use of cache memory for message system: 
   **
   **      #define AG_CACHED_MSG_SYSTEM
   **
   */
   /* #define AG_CACHED_MSG_SYSTEM */
   
   /***************************************************************************
   FC environment - The following is used for compiling the FC protocol.
   **************************************************************************/
   
   /*
   ** Define if an PMC-Sierra card is being used: 
   **
   **      #define CCFLAGS_PMC_SIERRA_BOARD
   **
   */
   
   /*
   ** Define if the TSDK is being used: 
   **
   **      #define FCLayer_Tsdk
   **
   */
   
   /*
   ** The following defines are not changed directly, but use either previous
   ** defines, or compiler directives.
   **
   */
   #ifdef AG_CPU_LITTLE_ENDIAN
   #define FC_DMA_LITTLE_ENDIAN
   #define FC_CPU_LITTLE_ENDIAN
   #define SA_DMA_LITTLE_ENDIAN
   #define SA_CPU_LITTLE_ENDIAN
   #endif
   
   #ifdef AG_CPU_BIG_ENDIAN
   #define FC_DMA_BIG_ENDIAN
   #define FC_CPU_BIG_ENDIAN
   #define SA_DMA_BIG_ENDIAN
   #define SA_CPU_BIG_ENDIAN
   #endif
   
   /* warning: leave this next line as-is.  it is used for FC-Layer testing      */ 
   #undef   FC_CHECKMACRO 
   
   #endif /* __OSENV_H__ */

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