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 
32 enum kvm_mr_change;
33 
34 #include <asm/types.h>
35 
36 /*
37  * Address types:
38  *
39  *  gva - guest virtual address
40  *  gpa - guest physical address
41  *  gfn - guest frame number
42  *  hva - host virtual address
43  *  hpa - host physical address
44  *  hfn - host frame number
45  */
46 
47 typedef unsigned long  gva_t;
48 typedef u64            gpa_t;
49 typedef u64            gfn_t;
50 
51 typedef unsigned long  hva_t;
52 typedef u64            hpa_t;
53 typedef u64            hfn_t;
54 
55 typedef hfn_t pfn_t;
56 
57 struct gfn_to_hva_cache {
58 	u64 generation;
59 	gpa_t gpa;
60 	unsigned long hva;
61 	unsigned long len;
62 	struct kvm_memory_slot *memslot;
63 };
64 
65 #endif /* __KVM_TYPES_H__ */
66