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#pragma once
#include <linux/types.h>
#include <linux/spinlock_types.h>
#include <asm/atomic.h>
#include <linux/kvm_types.h>
#include <asm/kvm_page_track.h>
#include <linux/kvm_host.h>
#include <linux/pid.h>
#include <linux/psp-sev.h>
#define CTL_MSR_0 0xc0010200ULL
#define CTL_MSR_1 0xc0010202ULL
#define CTL_MSR_2 0xc0010204ULL
#define CTL_MSR_3 0xc0010206ULL
#define CTL_MSR_4 0xc0010208ULL
#define CTL_MSR_5 0xc001020aULL
#define CTR_MSR_0 0xc0010201ULL
#define CTR_MSR_1 0xc0010203ULL
#define CTR_MSR_2 0xc0010205ULL
#define CTR_MSR_3 0xc0010207ULL
#define CTR_MSR_4 0xc0010209ULL
#define CTR_MSR_5 0xc001020bULL
typedef struct {
uint64_t HostGuestOnly;
uint64_t CntMask;
uint64_t Inv;
uint64_t En;
uint64_t Int;
uint64_t Edge;
uint64_t OsUserMode;
uint64_t UintMask;
uint64_t EventSelect; //12 bits in total split in [11:8] and [7:0]
} perf_ctl_config_t;
extern struct kvm* main_vm;
bool sevstep_spte_protect(u64 *sptep,
bool pt_protect, enum kvm_page_track_mode mode);
bool sevstep_rmap_protect(struct kvm_rmap_head *rmap_head,
bool pt_protect, enum kvm_page_track_mode mode);
bool sevstep_kvm_mmu_slot_gfn_protect(struct kvm *kvm, struct kvm_memory_slot *slot,
uint64_t gfn, int min_level, enum kvm_page_track_mode mode);
bool __untrack_single_page(struct kvm_vcpu *vcpu, gfn_t gfn,
enum kvm_page_track_mode mode);
bool __track_single_page(struct kvm_vcpu *vcpu, gfn_t gfn,
enum kvm_page_track_mode mode);
bool __reset_accessed_on_page(struct kvm_vcpu *vcpu, gfn_t gfn);
bool __clear_nx_on_page(struct kvm_vcpu *vcpu, gfn_t gfn);
long kvm_start_tracking(struct kvm_vcpu *vcpu, enum kvm_page_track_mode mode);
long kvm_stop_tracking(struct kvm_vcpu *vcpu, enum kvm_page_track_mode mode);
void sev_step_handle_callback(void);
uint64_t perf_ctl_to_u64(perf_ctl_config_t *config);
void write_ctl(perf_ctl_config_t *config, int cpu, uint64_t ctl_msr);
void read_ctr(uint64_t ctr_msr, int cpu, uint64_t *result);
void setup_perfs(void);
int sev_step_get_rip_kvm_vcpu(struct kvm_vcpu *vcpu, uint64_t *rip);
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