Refactor the macros that generate struct _kvm_stats_desc designated
initializers to cut down on duplication.
No functional change intended.
Signed-off-by: David Matlack <dmatlack@xxxxxxxxxx>
---
include/linux/kvm_host.h | 75 +++++++++++++++++++---------------------
1 file changed, 35 insertions(+), 40 deletions(-)
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 02b1151c2753..6673ae757c4e 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -1744,47 +1744,42 @@ struct _kvm_stats_desc {
char name[KVM_STATS_NAME_SIZE];
};
-#define STATS_DESC_COMMON(type, unit, base, exp, sz, bsz) \
- .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 = sz, \
- .bucket_size = bsz
-
-#define VM_GENERIC_STATS_DESC(stat, type, unit, base, exp, sz, bsz) \
+/* Generates a designated initializer list for a struct _kvm_stats_desc. */
+#define _KVM_STATS_DESC(_struct, _field, _name, _type, _unit, _base, \
+ _exponent, _size, _bucket_size) \
+{ \
{ \
- { \
- STATS_DESC_COMMON(type, unit, base, exp, sz, bsz), \
- .offset = offsetof(struct kvm_vm_stat, generic.stat) \
- }, \
- .name = #stat, \
- }
-#define VCPU_GENERIC_STATS_DESC(stat, type, unit, base, exp, sz, bsz) \
- { \
- { \
- STATS_DESC_COMMON(type, unit, base, exp, sz, bsz), \
- .offset = offsetof(struct kvm_vcpu_stat, generic.stat) \
- }, \
- .name = #stat, \
- }
-#define VM_STATS_DESC(stat, type, unit, base, exp, sz, bsz) \
- { \
- { \
- STATS_DESC_COMMON(type, unit, base, exp, sz, bsz), \
- .offset = offsetof(struct kvm_vm_stat, stat) \
- }, \
- .name = #stat, \
- }
-#define VCPU_STATS_DESC(stat, type, unit, base, exp, sz, bsz) \
- { \
- { \
- STATS_DESC_COMMON(type, unit, base, exp, sz, bsz), \
- .offset = offsetof(struct kvm_vcpu_stat, stat) \
- }, \
- .name = #stat, \
- }
+ .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 = _exponent, \
+ .size = _size, \
+ .bucket_size = _bucket_size, \
+ .offset = offsetof(_struct, _field), \
+ }, \
+ .name = _name, \
+}
+
+#define VM_GENERIC_STATS_DESC(_stat, _type, _unit, _base, _exponent, _size, \
+ _bucket_size) \
+ _KVM_STATS_DESC(struct kvm_vm_stat, generic._stat, #_stat, _type, \
+ _unit, _base, _exponent, _size, _bucket_size)
+
+#define VCPU_GENERIC_STATS_DESC(_stat, _type, _unit, _base, _exponent, _size, \
+ _bucket_size) \
+ _KVM_STATS_DESC(struct kvm_vcpu_stat, generic._stat, #_stat, _type, \
+ _unit, _base, _exponent, _size, _bucket_size)
+
+#define VM_STATS_DESC(_stat, _type, _unit, _base, _exponent, _size, \
+ _bucket_size) \
+ _KVM_STATS_DESC(struct kvm_vm_stat, _stat, #_stat, _type, _unit, \
+ _base, _exponent, _size, _bucket_size)
+
+#define VCPU_STATS_DESC(_stat, _type, _unit, _base, _exponent, _size, \
+ _bucket_size) \
+ _KVM_STATS_DESC(struct kvm_vcpu_stat, _stat, #_stat, _type, _unit, \
+ _base, _exponent, _size, _bucket_size)
/* SCOPE: VM, VM_GENERIC, VCPU, VCPU_GENERIC */
#define STATS_DESC(SCOPE, stat, type, unit, base, exp, sz, bsz) \
--
2.40.0.rc0.216.gc4246ad0f0-goog
