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 struct kvm;
  21 struct kvm_async_pf;
  22 struct kvm_device_ops;
  23 struct kvm_interrupt;
  24 struct kvm_irq_routing_table;
  25 struct kvm_memory_slot;
  26 struct kvm_one_reg;
  27 struct kvm_run;
  28 struct kvm_userspace_memory_region;
  29 struct kvm_vcpu;
  30 struct kvm_vcpu_init;
  31 struct kvm_memslots;
  32
  33 enum kvm_mr_change;
  34
  35 #include <asm/types.h>
  36
  37 /*
  38  * Address types:
  39  *
  40  *  gva - guest virtual address
  41  *  gpa - guest physical address
  42  *  gfn - guest frame number
  43  *  hva - host virtual address
  44  *  hpa - host physical address
  45  *  hfn - host frame number
  46  */
  47
  48 typedef unsigned long  gva_t;
  49 typedef u64            gpa_t;
  50 typedef u64            gfn_t;
  51
  52 typedef unsigned long  hva_t;
  53 typedef u64            hpa_t;
  54 typedef u64            hfn_t;
  55
  56 typedef hfn_t kvm_pfn_t;
  57
  58 struct gfn_to_hva_cache {
  59         u64 generation;
  60         gpa_t gpa;
  61         unsigned long hva;
  62         unsigned long len;
  63         struct kvm_memory_slot *memslot;
  64 };
  65
  66 #endif /* __KVM_TYPES_H__ */