xref: /openbmc/linux/arch/arm64/include/asm/kvm_asm.h (revision a06c488d)
1 /*
2  * Copyright (C) 2012,2013 - ARM Ltd
3  * Author: Marc Zyngier <marc.zyngier@arm.com>
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License version 2 as
7  * published by the Free Software Foundation.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
16  */
17 
18 #ifndef __ARM_KVM_ASM_H__
19 #define __ARM_KVM_ASM_H__
20 
21 #include <asm/virt.h>
22 
23 #define ARM_EXCEPTION_IRQ	  0
24 #define ARM_EXCEPTION_TRAP	  1
25 
26 #define KVM_ARM64_DEBUG_DIRTY_SHIFT	0
27 #define KVM_ARM64_DEBUG_DIRTY		(1 << KVM_ARM64_DEBUG_DIRTY_SHIFT)
28 
29 #ifndef __ASSEMBLY__
30 struct kvm;
31 struct kvm_vcpu;
32 
33 extern char __kvm_hyp_init[];
34 extern char __kvm_hyp_init_end[];
35 
36 extern char __kvm_hyp_vector[];
37 
38 #define	__kvm_hyp_code_start	__hyp_text_start
39 #define	__kvm_hyp_code_end	__hyp_text_end
40 
41 extern void __kvm_flush_vm_context(void);
42 extern void __kvm_tlb_flush_vmid_ipa(struct kvm *kvm, phys_addr_t ipa);
43 extern void __kvm_tlb_flush_vmid(struct kvm *kvm);
44 
45 extern int __kvm_vcpu_run(struct kvm_vcpu *vcpu);
46 
47 extern u64 __vgic_v3_get_ich_vtr_el2(void);
48 
49 extern u32 __kvm_get_mdcr_el2(void);
50 
51 #endif
52 
53 #endif /* __ARM_KVM_ASM_H__ */
54