2008-07-03 13:59:22 +02:00
|
|
|
#ifndef ARCH_X86_KVM_X86_H
|
|
|
|
#define ARCH_X86_KVM_X86_H
|
|
|
|
|
|
|
|
#include <linux/kvm_host.h>
|
2010-01-21 14:31:48 +01:00
|
|
|
#include "kvm_cache_regs.h"
|
2008-07-03 13:59:22 +02:00
|
|
|
|
|
|
|
static inline void kvm_clear_exception_queue(struct kvm_vcpu *vcpu)
|
|
|
|
{
|
|
|
|
vcpu->arch.exception.pending = false;
|
|
|
|
}
|
|
|
|
|
2009-05-11 12:35:50 +02:00
|
|
|
static inline void kvm_queue_interrupt(struct kvm_vcpu *vcpu, u8 vector,
|
|
|
|
bool soft)
|
2008-07-03 14:17:01 +02:00
|
|
|
{
|
|
|
|
vcpu->arch.interrupt.pending = true;
|
2009-05-11 12:35:50 +02:00
|
|
|
vcpu->arch.interrupt.soft = soft;
|
2008-07-03 14:17:01 +02:00
|
|
|
vcpu->arch.interrupt.nr = vector;
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline void kvm_clear_interrupt_queue(struct kvm_vcpu *vcpu)
|
|
|
|
{
|
|
|
|
vcpu->arch.interrupt.pending = false;
|
|
|
|
}
|
|
|
|
|
2009-05-11 12:35:46 +02:00
|
|
|
static inline bool kvm_event_needs_reinjection(struct kvm_vcpu *vcpu)
|
|
|
|
{
|
|
|
|
return vcpu->arch.exception.pending || vcpu->arch.interrupt.pending ||
|
|
|
|
vcpu->arch.nmi_injected;
|
|
|
|
}
|
2009-05-11 12:35:50 +02:00
|
|
|
|
|
|
|
static inline bool kvm_exception_is_soft(unsigned int nr)
|
|
|
|
{
|
|
|
|
return (nr == BP_VECTOR) || (nr == OF_VECTOR);
|
|
|
|
}
|
2009-07-05 16:39:35 +02:00
|
|
|
|
2010-01-21 14:31:48 +01:00
|
|
|
static inline bool is_protmode(struct kvm_vcpu *vcpu)
|
|
|
|
{
|
|
|
|
return kvm_read_cr0_bits(vcpu, X86_CR0_PE);
|
|
|
|
}
|
|
|
|
|
2010-01-21 14:31:49 +01:00
|
|
|
static inline int is_long_mode(struct kvm_vcpu *vcpu)
|
|
|
|
{
|
|
|
|
#ifdef CONFIG_X86_64
|
2010-01-21 14:31:50 +01:00
|
|
|
return vcpu->arch.efer & EFER_LMA;
|
2010-01-21 14:31:49 +01:00
|
|
|
#else
|
|
|
|
return 0;
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
2010-09-10 17:30:50 +02:00
|
|
|
static inline bool mmu_is_nested(struct kvm_vcpu *vcpu)
|
|
|
|
{
|
|
|
|
return vcpu->arch.walk_mmu == &vcpu->arch.nested_mmu;
|
|
|
|
}
|
|
|
|
|
2010-01-21 14:31:49 +01:00
|
|
|
static inline int is_pae(struct kvm_vcpu *vcpu)
|
|
|
|
{
|
|
|
|
return kvm_read_cr4_bits(vcpu, X86_CR4_PAE);
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline int is_pse(struct kvm_vcpu *vcpu)
|
|
|
|
{
|
|
|
|
return kvm_read_cr4_bits(vcpu, X86_CR4_PSE);
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline int is_paging(struct kvm_vcpu *vcpu)
|
|
|
|
{
|
2012-03-08 12:45:54 +01:00
|
|
|
return likely(kvm_read_cr0_bits(vcpu, X86_CR0_PG));
|
2010-01-21 14:31:49 +01:00
|
|
|
}
|
|
|
|
|
2010-12-07 17:15:05 +01:00
|
|
|
static inline u32 bit(int bitno)
|
|
|
|
{
|
|
|
|
return 1 << (bitno & 31);
|
|
|
|
}
|
|
|
|
|
2011-07-11 21:23:20 +02:00
|
|
|
static inline void vcpu_cache_mmio_info(struct kvm_vcpu *vcpu,
|
|
|
|
gva_t gva, gfn_t gfn, unsigned access)
|
|
|
|
{
|
|
|
|
vcpu->arch.mmio_gva = gva & PAGE_MASK;
|
|
|
|
vcpu->arch.access = access;
|
|
|
|
vcpu->arch.mmio_gfn = gfn;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Clear the mmio cache info for the given gva,
|
|
|
|
* specially, if gva is ~0ul, we clear all mmio cache info.
|
|
|
|
*/
|
|
|
|
static inline void vcpu_clear_mmio_info(struct kvm_vcpu *vcpu, gva_t gva)
|
|
|
|
{
|
|
|
|
if (gva != (~0ul) && vcpu->arch.mmio_gva != (gva & PAGE_MASK))
|
|
|
|
return;
|
|
|
|
|
|
|
|
vcpu->arch.mmio_gva = 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline bool vcpu_match_mmio_gva(struct kvm_vcpu *vcpu, unsigned long gva)
|
|
|
|
{
|
|
|
|
if (vcpu->arch.mmio_gva && vcpu->arch.mmio_gva == (gva & PAGE_MASK))
|
|
|
|
return true;
|
|
|
|
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline bool vcpu_match_mmio_gpa(struct kvm_vcpu *vcpu, gpa_t gpa)
|
|
|
|
{
|
|
|
|
if (vcpu->arch.mmio_gfn && vcpu->arch.mmio_gfn == gpa >> PAGE_SHIFT)
|
|
|
|
return true;
|
|
|
|
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
2010-04-19 07:32:45 +02:00
|
|
|
void kvm_before_handle_nmi(struct kvm_vcpu *vcpu);
|
|
|
|
void kvm_after_handle_nmi(struct kvm_vcpu *vcpu);
|
2011-04-13 16:12:54 +02:00
|
|
|
int kvm_inject_realmode_interrupt(struct kvm_vcpu *vcpu, int irq, int inc_eip);
|
2010-04-19 07:32:45 +02:00
|
|
|
|
2012-11-29 21:42:12 +01:00
|
|
|
void kvm_write_tsc(struct kvm_vcpu *vcpu, struct msr_data *msr);
|
2010-08-20 10:07:17 +02:00
|
|
|
|
2011-05-25 22:04:56 +02:00
|
|
|
int kvm_read_guest_virt(struct x86_emulate_ctxt *ctxt,
|
|
|
|
gva_t addr, void *val, unsigned int bytes,
|
|
|
|
struct x86_exception *exception);
|
|
|
|
|
2011-05-25 22:08:00 +02:00
|
|
|
int kvm_write_guest_virt_system(struct x86_emulate_ctxt *ctxt,
|
|
|
|
gva_t addr, void *val, unsigned int bytes,
|
|
|
|
struct x86_exception *exception);
|
|
|
|
|
2013-10-02 16:06:14 +02:00
|
|
|
#define KVM_SUPPORTED_XCR0 (XSTATE_FP | XSTATE_SSE | XSTATE_YMM)
|
2011-11-23 15:30:32 +01:00
|
|
|
extern u64 host_xcr0;
|
|
|
|
|
2012-08-05 14:58:32 +02:00
|
|
|
extern struct static_key kvm_no_apic_vcpu;
|
2008-07-03 13:59:22 +02:00
|
|
|
#endif
|