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kernel/linux-imx6_3.14.28/arch/arm/xen/grant-table.c 1.98 KB
6b13f685e   김민수   BSP 최초 추가
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  /******************************************************************************
   * grant_table.c
   * ARM specific part
   *
   * Granting foreign access to our memory reservation.
   *
   * This program is free software; you can redistribute it and/or
   * modify it under the terms of the GNU General Public License version 2
   * as published by the Free Software Foundation; or, when distributed
   * separately from the Linux kernel or incorporated into other
   * software packages, subject to the following license:
   *
   * Permission is hereby granted, free of charge, to any person obtaining a copy
   * of this source file (the "Software"), to deal in the Software without
   * restriction, including without limitation the rights to use, copy, modify,
   * merge, publish, distribute, sublicense, and/or sell copies of the Software,
   * and to permit persons to whom the Software is furnished to do so, subject to
   * the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in
   * all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
   * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
   * IN THE SOFTWARE.
   */
  
  #include <xen/interface/xen.h>
  #include <xen/page.h>
  #include <xen/grant_table.h>
  
  int arch_gnttab_map_shared(xen_pfn_t *frames, unsigned long nr_gframes,
  			   unsigned long max_nr_gframes,
  			   void **__shared)
  {
  	return -ENOSYS;
  }
  
  void arch_gnttab_unmap(void *shared, unsigned long nr_gframes)
  {
  	return;
  }
  
  int arch_gnttab_map_status(uint64_t *frames, unsigned long nr_gframes,
  			   unsigned long max_nr_gframes,
  			   grant_status_t **__shared)
  {
  	return -ENOSYS;
  }