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/*
* This contains functions that are x86 specific and part of the internal
* implementation.
*/
#ifndef __KVM_X86_IMPL_H
#define __KVM_X86_IMPL_H
#include <sys/types.h>
#include "kvm_host.h"
#include "kvm_x86.h"
#include "kvm_cache_regs.h"
inline void kvm_clear_exception_queue(struct kvm_vcpu *);
inline void kvm_queue_interrupt(struct kvm_vcpu *vcpu, uint8_t vector,
int soft);
inline void kvm_clear_interrupt_queue(struct kvm_vcpu *vcpu);
inline int kvm_event_needs_reinjection(struct kvm_vcpu *vcpu);
inline int kvm_exception_is_soft(unsigned int nr);
kvm_cpuid_entry2_t *kvm_find_cpuid_entry(struct kvm_vcpu *vcpu,
uint32_t function, uint32_t index);
inline int is_protmode(struct kvm_vcpu *vcpu);
inline int is_long_mode(struct kvm_vcpu *vcpu);
inline int is_pae(struct kvm_vcpu *vcpu);
inline int is_pse(struct kvm_vcpu *vcpu);
inline int is_paging(struct kvm_vcpu *vcpu);
caddr_t page_address(page_t *page);
extern page_t *alloc_page(size_t, int);
extern uint64_t kvm_va2pa(caddr_t va);
extern void bitmap_zero(unsigned long *, int);
extern page_t *pfn_to_page(pfn_t);
extern int zero_constructor(void *, void *, int);
#define KVM_CPUALL -1
typedef void (*kvm_xcall_t)(void *);
extern void kvm_xcall(processorid_t cpu, kvm_xcall_t func, void *arg);
/*
* All the follwoing definitions are ones that are expected to just be in
* x86/x86.c by Linux. However we currently have the things that need them
* spread out across two files. For now we are putting them here, but this
* should not last very long.
*/
#define KVM_NR_SHARED_MSRS 16
typedef struct kvm_shared_msrs_global {
int nr;
uint32_t msrs[KVM_NR_SHARED_MSRS];
} kvm_shared_msrs_global_t;
struct kvm_vcpu;
typedef struct kvm_user_return_notifier {
void (*on_user_return)(struct kvm_vcpu *,
struct kvm_user_return_notifier *);
} kvm_user_return_notifier_t;
typedef struct kvm_shared_msrs {
struct kvm_user_return_notifier urn;
int registered;
struct kvm_shared_msr_values {
uint64_t host;
uint64_t curr;
} values[KVM_NR_SHARED_MSRS];
} kvm_shared_msrs_t;
/*
* fxsave fpu state. Taken from x86_64/processor.h. To be killed when
* we have asm/x86/processor.h
*/
typedef struct fxsave {
uint16_t cwd;
uint16_t swd;
uint16_t twd;
uint16_t fop;
uint64_t rip;
uint64_t rdp;
uint32_t mxcsr;
uint32_t mxcsr_mask;
uint32_t st_space[32]; /* 8*16 bytes for each FP-reg = 128 bytes */
#ifdef CONFIG_X86_64
uint32_t xmm_space[64]; /* 16*16 bytes for each XMM-reg = 256 bytes */
#else
uint32_t xmm_space[32]; /* 8*16 bytes for each XMM-reg = 128 bytes */
#endif
} fxsave_t;
unsigned long native_read_cr0(void);
#define read_cr0() (native_read_cr0())
unsigned long native_read_cr4(void);
#define read_cr4() (native_read_cr4())
unsigned long native_read_cr3(void);
#define read_cr3() (native_read_cr3())
uint32_t bit(int bitno);
#endif
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