* are available. The use of 0x11 and 0x12 is deprecated
*/
#define KVM_FEATURE_CLOCKSOURCE2 3
+#define KVM_FEATURE_ASYNC_PF 4
/* The last 8 bits are used to indicate how to interpret the flags field
* in pvclock structure. If no bits are set, all flags are ignored.
/* Custom MSRs falls in the range 0x4b564d00-0x4b564dff */
#define MSR_KVM_WALL_CLOCK_NEW 0x4b564d00
#define MSR_KVM_SYSTEM_TIME_NEW 0x4b564d01
+#define MSR_KVM_ASYNC_PF_EN 0x4b564d02
#define KVM_MAX_MMU_OP_BATCH 32
+#define KVM_ASYNC_PF_ENABLED (1 << 0)
+#define KVM_ASYNC_PF_SEND_ALWAYS (1 << 1)
+
/* Operations for KVM_HC_MMU_OP */
#define KVM_MMU_OP_WRITE_PTE 1
#define KVM_MMU_OP_FLUSH_TLB 2
__u64 pt_phys;
};
+#define KVM_PV_REASON_PAGE_NOT_PRESENT 1
+#define KVM_PV_REASON_PAGE_READY 2
+
+struct kvm_vcpu_pv_apf_data {
+ __u32 reason;
+ __u8 pad[60];
+ __u32 enabled;
+};
+
#ifdef __KERNEL__
#include <asm/processor.h>
extern void kvmclock_init(void);
+extern int kvm_register_clock(char *txt);
/* This instruction is vmcall. On non-VT architectures, it will generate a
return cpuid_eax(KVM_CPUID_FEATURES);
}
+#ifdef CONFIG_KVM_GUEST
+void __init kvm_guest_init(void);
+void kvm_async_pf_task_wait(u32 token);
+void kvm_async_pf_task_wake(u32 token);
+u32 kvm_read_and_reset_pf_reason(void);
+#else
+#define kvm_guest_init() do { } while (0)
+#define kvm_async_pf_task_wait(T) do {} while(0)
+#define kvm_async_pf_task_wake(T) do {} while(0)
+static inline u32 kvm_read_and_reset_pf_reason(void)
+{
+ return 0;
+}
#endif
+#endif /* __KERNEL__ */
+
#endif /* _ASM_X86_KVM_PARA_H */