include/asm/kvm_host.h

144 	atomic64_t id;
173 	/* The last vcpu id that ran on each physical CPU */
329 #define IDREG_IDX(id)		(((sys_reg_CRm(id) - 1) << 3) | sys_reg_Op2(id))
331 #define IDREG(kvm, id)		((kvm)->arch.id_regs[IDREG_IDX(id)])
1358 #define __expand_field_sign_unsigned(id, fld, val)			\
1359 	((u64)SYS_FIELD_VALUE(id, fld, val))
1361 #define __expand_field_sign_signed(id, fld, val)			\
1363 		u64 __val = SYS_FIELD_VALUE(id, fld, val);		\
1364 		sign_extend64(__val, id##_##fld##_WIDTH - 1);		\
1367 #define expand_field_sign(id, fld, val)					\
1368 	(id##_##fld##_SIGNED ?						\
1369 	 __expand_field_sign_signed(id, fld, val) :			\
1370 	 __expand_field_sign_unsigned(id, fld, val))
1372 #define get_idreg_field_unsigned(kvm, id, fld)				\
1374 		u64 __val = IDREG((kvm), SYS_##id);			\
1375 		FIELD_GET(id##_##fld##_MASK, __val);			\
1378 #define get_idreg_field_signed(kvm, id, fld)				\
1380 		u64 __val = get_idreg_field_unsigned(kvm, id, fld);	\
1381 		sign_extend64(__val, id##_##fld##_WIDTH - 1);		\
1384 #define get_idreg_field_enum(kvm, id, fld)				\
1385 	get_idreg_field_unsigned(kvm, id, fld)
1387 #define get_idreg_field(kvm, id, fld)					\
1388 	(id##_##fld##_SIGNED ?						\
1389 	 get_idreg_field_signed(kvm, id, fld) :				\
1390 	 get_idreg_field_unsigned(kvm, id, fld))
1392 #define kvm_has_feat(kvm, id, fld, limit)				\
1393 	(get_idreg_field((kvm), id, fld) >= expand_field_sign(id, fld, limit))
1395 #define kvm_has_feat_enum(kvm, id, fld, val)				\
1396 	(get_idreg_field_unsigned((kvm), id, fld) == __expand_field_sign_unsigned(id, fld, val))
1398 #define kvm_has_feat_range(kvm, id, fld, min, max)			\
1399 	(get_idreg_field((kvm), id, fld) >= expand_field_sign(id, fld, min) && \
1400 	 get_idreg_field((kvm), id, fld) <= expand_field_sign(id, fld, max))