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/*
* This header files contains pieces necessary for the illumos implementation of
* the kvm driver. These definitions should not be exported to userland.
*/
#ifndef __KVM_IMPL_H
#define __KVM_IMPL_H
#include <sys/kstat.h>
#include <sys/sdt.h>
#define XXX_KVM_PROBE DTRACE_PROBE2(kvm__xxx, \
char *, __FILE__, int, __LINE__)
#define XXX_KVM_SYNC_PROBE DTRACE_PROBE2(kvm__xxx__sync, \
char *, __FILE__, int, __LINE__)
#define KVM_TRACE1(name, type1, arg1) \
DTRACE_PROBE1(kvm__##name, type1, arg1);
#define KVM_TRACE2(name, type1, arg1, type2, arg2) \
DTRACE_PROBE2(kvm__##name, type1, arg1, type2, arg2);
#define KVM_TRACE3(name, type1, arg1, type2, arg2, type3, arg3) \
DTRACE_PROBE3(kvm__##name, type1, arg1, type2, arg2, type3, arg3);
#define KVM_TRACE4(name, type1, arg1, type2, arg2, type3, arg3, \
type4, arg4) \
DTRACE_PROBE4(kvm__##name, type1, arg1, type2, arg2, \
type3, arg3, type4, arg4);
#define KVM_TRACE5(name, type1, arg1, type2, arg2, type3, arg3, \
type4, arg4, type5, arg5) \
DTRACE_PROBE5(kvm__##name, type1, arg1, type2, arg2, \
type3, arg3, type4, arg4, type5, arg5);
#define KVM_TRACE6(name, type1, arg1, type2, arg2, type3, arg3, \
type4, arg4, type5, arg5, type6, arg6) \
DTRACE_PROBE6(kvm__##name, type1, arg1, type2, arg2, \
type3, arg3, type4, arg4, type5, arg5, type6, arg6);
typedef struct kvm_vcpu_stats {
kstat_named_t kvmvs_id; /* instance of associated kvm */
kstat_named_t kvmvs_nmi_injections; /* number of NMI injections */
kstat_named_t kvmvs_irq_injections; /* number of IRQ injections */
kstat_named_t kvmvs_fpu_reload; /* number of FPU reloads */
kstat_named_t kvmvs_host_state_reload; /* host state (re)loads */
kstat_named_t kvmvs_insn_emulation; /* instruction emulation */
kstat_named_t kvmvs_insn_emulation_fail; /* emulation failures */
kstat_named_t kvmvs_exits; /* total VM exits */
kstat_named_t kvmvs_halt_exits; /* exits due to HLT */
kstat_named_t kvmvs_irq_exits; /* exits due to IRQ */
kstat_named_t kvmvs_io_exits; /* exits due to I/O instrn */
kstat_named_t kvmvs_mmio_exits; /* exits due to mem mppd I/O */
kstat_named_t kvmvs_nmi_window_exits; /* exits due to NMI window */
kstat_named_t kvmvs_irq_window_exits; /* exits due to IRQ window */
kstat_named_t kvmvs_request_irq_exits; /* exits due to requested IRQ */
kstat_named_t kvmvs_signal_exits; /* exits due to pending sig */
kstat_named_t kvmvs_halt_wakeup; /* wakeups from HLT */
kstat_named_t kvmvs_invlpg; /* INVLPG instructions */
kstat_named_t kvmvs_pf_guest; /* injected guest pagefaults */
kstat_named_t kvmvs_pf_fixed; /* fixed pagefaults */
kstat_named_t kvmvs_hypercalls; /* hypercalls (VMCALL instrn) */
} kvm_vcpu_stats_t;
#define KVM_VCPU_KSTAT_INIT(vcpu, field, name) \
kstat_named_init(&((vcpu)->kvcpu_stats.field), name, KSTAT_DATA_UINT64);
#define KVM_VCPU_KSTAT_INC(vcpu, field) \
(vcpu)->kvcpu_stats.field.value.ui64++;
typedef struct kvm_stats {
kstat_named_t kvmks_pid; /* PID of opening process */
kstat_named_t kvmks_mmu_pte_write; /* page table entry writes */
kstat_named_t kvmks_mmu_pte_zapped; /* zapped page table entries */
kstat_named_t kvmks_mmu_pte_updated; /* page table entry updates */
kstat_named_t kvmks_mmu_flooded; /* # of pages flooded */
kstat_named_t kvmks_mmu_cache_miss; /* misses in page cache */
kstat_named_t kvmks_mmu_recycled; /* recycles from free list */
kstat_named_t kvmks_remote_tlb_flush; /* remote TLB flushes */
kstat_named_t kvmks_lpages; /* large pages in use */
} kvm_stats_t;
#define KVM_KSTAT_INIT(kvmp, field, name) \
kstat_named_init(&((kvmp)->kvm_stats.field), name, KSTAT_DATA_UINT64);
#define KVM_KSTAT_INC(kvmp, field) \
(kvmp)->kvm_stats.field.value.ui64++;
#define KVM_KSTAT_DEC(kvmp, field) \
(kvmp)->kvm_stats.field.value.ui64--;
#ifndef ARRAY_SIZE
#define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0]))
#endif /*ARRAY_SIZE*/
#define KVM_CPUALL -1
typedef void (*kvm_xcall_t)(void *);
/*
* XXX
* 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;
#ifndef offsetof
#define offsetof(s, m) ((size_t)(&((s *)0)->m))
#endif
#endif
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