[linux-2.6-block.git] / arch / arm64 / include / asm / kvm_asm.h

/*
 * Copyright (C) 2012,2013 - ARM Ltd
 * Author: Marc Zyngier <marc.zyngier@arm.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef __ARM_KVM_ASM_H__
#define __ARM_KVM_ASM_H__

#include <asm/virt.h>

#define ARM_EXCEPTION_IRQ	  0
#define ARM_EXCEPTION_TRAP	  1

#define KVM_ARM64_DEBUG_DIRTY_SHIFT	0
#define KVM_ARM64_DEBUG_DIRTY		(1 << KVM_ARM64_DEBUG_DIRTY_SHIFT)

#define kvm_ksym_ref(sym)						\
	({								\
		void *val = &sym;					\
		if (!is_kernel_in_hyp_mode())				\
			val = phys_to_virt((u64)&sym - kimage_voffset);	\
		val;							\
	 })

#ifndef __ASSEMBLY__
struct kvm;
struct kvm_vcpu;

extern char __kvm_hyp_init[];
extern char __kvm_hyp_init_end[];

extern char __kvm_hyp_vector[];

extern void __kvm_flush_vm_context(void);
extern void __kvm_tlb_flush_vmid_ipa(struct kvm *kvm, phys_addr_t ipa);
extern void __kvm_tlb_flush_vmid(struct kvm *kvm);

extern int __kvm_vcpu_run(struct kvm_vcpu *vcpu);

extern u64 __vgic_v3_get_ich_vtr_el2(void);
extern void __vgic_v3_init_lrs(void);

extern u32 __kvm_get_mdcr_el2(void);

extern void __init_stage2_translation(void);

#endif

#endif /* __ARM_KVM_ASM_H__ */
Commit	Line	Data
fd9fc9f7 MZ	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
45451914 MZ	21	#include <asm/virt.h>
45451914 MZ	22
fd9fc9f7 MZ	23	#define ARM_EXCEPTION_IRQ 0
	24	#define ARM_EXCEPTION_TRAP 1
	25
0c557ed4 MZ	26	#define KVM_ARM64_DEBUG_DIRTY_SHIFT 0
	27	#define KVM_ARM64_DEBUG_DIRTY (1 << KVM_ARM64_DEBUG_DIRTY_SHIFT)
	28
2510ffe1 MZ	29	#define kvm_ksym_ref(sym) \
	30	({ \
	31	void *val = &sym; \
	32	if (!is_kernel_in_hyp_mode()) \
	33	val = phys_to_virt((u64)&sym - kimage_voffset); \
	34	val; \
	35	})
a0bf9776	36
fd9fc9f7 MZ	37	#ifndef __ASSEMBLY__
	38	struct kvm;
	39	struct kvm_vcpu;
	40
	41	extern char __kvm_hyp_init[];
	42	extern char __kvm_hyp_init_end[];
	43
	44	extern char __kvm_hyp_vector[];
	45
fd9fc9f7 MZ	46	extern void __kvm_flush_vm_context(void);
fd9fc9f7 MZ	47	extern void __kvm_tlb_flush_vmid_ipa(struct kvm *kvm, phys_addr_t ipa);
8199ed0e	48	extern void __kvm_tlb_flush_vmid(struct kvm *kvm);
fd9fc9f7 MZ	49
fd9fc9f7 MZ	50	extern int __kvm_vcpu_run(struct kvm_vcpu *vcpu);
1a9b1305	51
b2fb1c0d	52	extern u64 __vgic_v3_get_ich_vtr_el2(void);
0d98d00b	53	extern void __vgic_v3_init_lrs(void);
b2fb1c0d	54
56c7f5e7 AB	55	extern u32 __kvm_get_mdcr_el2(void);
56c7f5e7 AB	56
3a3604bc MZ	57	extern void __init_stage2_translation(void);
3a3604bc MZ	58
fd9fc9f7 MZ	59	#endif
	60
	61	#endif /* __ARM_KVM_ASM_H__ */