include/linux/kvm_types.h

   1 /*
   2  * This program is free software; you can redistribute it and/or modify
   3  * it under the terms of the GNU General Public License as published by
   4  * the Free Software Foundation; either version 2 of the License.
   5  *
   6  * This program is distributed in the hope that it will be useful,
   7  * but WITHOUT ANY WARRANTY; without even the implied warranty of
   8  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   9  * GNU General Public License for more details.
  10  *
  11  * You should have received a copy of the GNU General Public License
  12  * along with this program; if not, write to the Free Software
  13  * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  14  *
  15  */
  16
  17 #ifndef __KVM_TYPES_H__
  18 #define __KVM_TYPES_H__
  19
  20 #include <asm/types.h>
  21
  22 /*
  23  * Address types:
  24  *
  25  *  gva - guest virtual address
  26  *  gpa - guest physical address
  27  *  gfn - guest frame number
  28  *  hva - host virtual address
  29  *  hpa - host physical address
  30  *  hfn - host frame number
  31  */
  32
  33 typedef unsigned long  gva_t;
  34 typedef u64            gpa_t;
  35 typedef unsigned long  gfn_t;
  36
  37 typedef unsigned long  hva_t;
  38 typedef u64            hpa_t;
  39 typedef unsigned long  hfn_t;
  40
  41 typedef hfn_t pfn_t;
  42
  43 struct kvm_pio_request {
  44         unsigned long count;
  45         int cur_count;
  46         struct page *guest_pages[2];
  47         unsigned guest_page_offset;
  48         int in;
  49         int port;
  50         int size;
  51         int string;
  52         int down;
  53         int rep;
  54 };
  55
  56 #endif /* __KVM_TYPES_H__ */