arch/x86/include/asm/iomap.h

   1 /*
   2  * Copyright © 2008 Ingo Molnar
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful, but
  10  * WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with this program; if not, write to the Free Software Foundation, Inc.,
  16  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  17  */
  18
  19 #include <linux/fs.h>
  20 #include <linux/mm.h>
  21 #include <linux/uaccess.h>
  22 #include <asm/cacheflush.h>
  23 #include <asm/pgtable.h>
  24 #include <asm/tlbflush.h>
  25
  26 int
  27 reserve_io_memtype_wc(u64 base, unsigned long size, pgprot_t *prot);
  28
  29 void
  30 free_io_memtype(u64 base, unsigned long size);
  31
  32 void *
  33 iomap_atomic_prot_pfn(unsigned long pfn, enum km_type type, pgprot_t prot);
  34
  35 void
  36 iounmap_atomic(void *kvaddr, enum km_type type);