+#define STATS_DESC_COMMON(type, unit, base, exp) \
+ .flags = type | unit | base | \
+ BUILD_BUG_ON_ZERO(type & ~KVM_STATS_TYPE_MASK) | \
+ BUILD_BUG_ON_ZERO(unit & ~KVM_STATS_UNIT_MASK) | \
+ BUILD_BUG_ON_ZERO(base & ~KVM_STATS_BASE_MASK), \
+ .exponent = exp, \
+ .size = 1
+
+#define VM_GENERIC_STATS_DESC(stat, type, unit, base, exp) \
+ { \
+ { \
+ STATS_DESC_COMMON(type, unit, base, exp), \
+ .offset = offsetof(struct kvm_vm_stat, generic.stat) \
+ }, \
+ .name = #stat, \
+ }
+#define VCPU_GENERIC_STATS_DESC(stat, type, unit, base, exp) \
+ { \
+ { \
+ STATS_DESC_COMMON(type, unit, base, exp), \
+ .offset = offsetof(struct kvm_vcpu_stat, generic.stat) \
+ }, \
+ .name = #stat, \
+ }
+#define VM_STATS_DESC(stat, type, unit, base, exp) \
+ { \
+ { \
+ STATS_DESC_COMMON(type, unit, base, exp), \
+ .offset = offsetof(struct kvm_vm_stat, stat) \
+ }, \
+ .name = #stat, \
+ }
+#define VCPU_STATS_DESC(stat, type, unit, base, exp) \
+ { \
+ { \
+ STATS_DESC_COMMON(type, unit, base, exp), \
+ .offset = offsetof(struct kvm_vcpu_stat, stat) \
+ }, \
+ .name = #stat, \
+ }
+/* SCOPE: VM, VM_GENERIC, VCPU, VCPU_GENERIC */
+#define STATS_DESC(SCOPE, stat, type, unit, base, exp) \
+ SCOPE##_STATS_DESC(stat, type, unit, base, exp)
+
+#define STATS_DESC_CUMULATIVE(SCOPE, name, unit, base, exponent) \
+ STATS_DESC(SCOPE, name, KVM_STATS_TYPE_CUMULATIVE, unit, base, exponent)
+#define STATS_DESC_INSTANT(SCOPE, name, unit, base, exponent) \
+ STATS_DESC(SCOPE, name, KVM_STATS_TYPE_INSTANT, unit, base, exponent)
+#define STATS_DESC_PEAK(SCOPE, name, unit, base, exponent) \
+ STATS_DESC(SCOPE, name, KVM_STATS_TYPE_PEAK, unit, base, exponent)
+
+/* Cumulative counter, read/write */
+#define STATS_DESC_COUNTER(SCOPE, name) \
+ STATS_DESC_CUMULATIVE(SCOPE, name, KVM_STATS_UNIT_NONE, \
+ KVM_STATS_BASE_POW10, 0)
+/* Instantaneous counter, read only */
+#define STATS_DESC_ICOUNTER(SCOPE, name) \
+ STATS_DESC_INSTANT(SCOPE, name, KVM_STATS_UNIT_NONE, \
+ KVM_STATS_BASE_POW10, 0)
+/* Peak counter, read/write */
+#define STATS_DESC_PCOUNTER(SCOPE, name) \
+ STATS_DESC_PEAK(SCOPE, name, KVM_STATS_UNIT_NONE, \
+ KVM_STATS_BASE_POW10, 0)
+
+/* Cumulative time in nanosecond */
+#define STATS_DESC_TIME_NSEC(SCOPE, name) \
+ STATS_DESC_CUMULATIVE(SCOPE, name, KVM_STATS_UNIT_SECONDS, \
+ KVM_STATS_BASE_POW10, -9)
+