drivers/net/ethernet/freescale/fman/fman_muram.h

   1 /*
   2  * Copyright 2008-2015 Freescale Semiconductor Inc.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are met:
   6  *     * Redistributions of source code must retain the above copyright
   7  *       notice, this list of conditions and the following disclaimer.
   8  *     * Redistributions in binary form must reproduce the above copyright
   9  *       notice, this list of conditions and the following disclaimer in the
  10  *       documentation and/or other materials provided with the distribution.
  11  *     * Neither the name of Freescale Semiconductor nor the
  12  *       names of its contributors may be used to endorse or promote products
  13  *       derived from this software without specific prior written permission.
  14  *
  15  *
  16  * ALTERNATIVELY, this software may be distributed under the terms of the
  17  * GNU General Public License ("GPL") as published by the Free Software
  18  * Foundation, either version 2 of that License or (at your option) any
  19  * later version.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
  22  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  23  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  24  * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
  25  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  26  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  27  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  28  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  30  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  */
  32 #ifndef __FM_MURAM_EXT
  33 #define __FM_MURAM_EXT
  34
  35 #include <linux/types.h>
  36
  37 #define FM_MURAM_INVALID_ALLOCATION     -1
  38
  39 /* Structure for FM MURAM information */
  40 struct muram_info;
  41
  42 struct muram_info *fman_muram_init(phys_addr_t base, size_t size);
  43
  44 unsigned long fman_muram_offset_to_vbase(struct muram_info *muram,
  45                                          unsigned long offset);
  46
  47 unsigned long fman_muram_alloc(struct muram_info *muram, size_t size);
  48
  49 void fman_muram_free_mem(struct muram_info *muram, unsigned long offset,
  50                          size_t size);
  51
  52 #endif /* __FM_MURAM_EXT */