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Diffstat (limited to 'include/rdma/uverbs_ioctl.h')
-rw-r--r--include/rdma/uverbs_ioctl.h81
1 files changed, 68 insertions, 13 deletions
diff --git a/include/rdma/uverbs_ioctl.h b/include/rdma/uverbs_ioctl.h
index 39ef204753ec..23bb404aba12 100644
--- a/include/rdma/uverbs_ioctl.h
+++ b/include/rdma/uverbs_ioctl.h
@@ -875,9 +875,14 @@ static inline __malloc void *uverbs_kcalloc(struct uverbs_attr_bundle *bundle,
return ERR_PTR(-EOVERFLOW);
return uverbs_zalloc(bundle, bytes);
}
-int _uverbs_get_const(s64 *to, const struct uverbs_attr_bundle *attrs_bundle,
- size_t idx, s64 lower_bound, u64 upper_bound,
- s64 *def_val);
+
+int _uverbs_get_const_signed(s64 *to,
+ const struct uverbs_attr_bundle *attrs_bundle,
+ size_t idx, s64 lower_bound, u64 upper_bound,
+ s64 *def_val);
+int _uverbs_get_const_unsigned(u64 *to,
+ const struct uverbs_attr_bundle *attrs_bundle,
+ size_t idx, u64 upper_bound, u64 *def_val);
int uverbs_copy_to_struct_or_zero(const struct uverbs_attr_bundle *bundle,
size_t idx, const void *from, size_t size);
#else
@@ -921,27 +926,77 @@ uverbs_copy_to_struct_or_zero(const struct uverbs_attr_bundle *bundle,
{
return -EINVAL;
}
+static inline int
+_uverbs_get_const_signed(s64 *to,
+ const struct uverbs_attr_bundle *attrs_bundle,
+ size_t idx, s64 lower_bound, u64 upper_bound,
+ s64 *def_val)
+{
+ return -EINVAL;
+}
+static inline int
+_uverbs_get_const_unsigned(u64 *to,
+ const struct uverbs_attr_bundle *attrs_bundle,
+ size_t idx, u64 upper_bound, u64 *def_val)
+{
+ return -EINVAL;
+}
#endif
-#define uverbs_get_const(_to, _attrs_bundle, _idx) \
+#define uverbs_get_const_signed(_to, _attrs_bundle, _idx) \
({ \
s64 _val; \
- int _ret = _uverbs_get_const(&_val, _attrs_bundle, _idx, \
- type_min(typeof(*_to)), \
- type_max(typeof(*_to)), NULL); \
- (*_to) = _val; \
+ int _ret = \
+ _uverbs_get_const_signed(&_val, _attrs_bundle, _idx, \
+ type_min(typeof(*(_to))), \
+ type_max(typeof(*(_to))), NULL); \
+ (*(_to)) = _val; \
_ret; \
})
-#define uverbs_get_const_default(_to, _attrs_bundle, _idx, _default) \
+#define uverbs_get_const_unsigned(_to, _attrs_bundle, _idx) \
+ ({ \
+ u64 _val; \
+ int _ret = \
+ _uverbs_get_const_unsigned(&_val, _attrs_bundle, _idx, \
+ type_max(typeof(*(_to))), NULL); \
+ (*(_to)) = _val; \
+ _ret; \
+ })
+
+#define uverbs_get_const_default_signed(_to, _attrs_bundle, _idx, _default) \
({ \
s64 _val; \
s64 _def_val = _default; \
int _ret = \
- _uverbs_get_const(&_val, _attrs_bundle, _idx, \
- type_min(typeof(*_to)), \
- type_max(typeof(*_to)), &_def_val); \
- (*_to) = _val; \
+ _uverbs_get_const_signed(&_val, _attrs_bundle, _idx, \
+ type_min(typeof(*(_to))), \
+ type_max(typeof(*(_to))), &_def_val); \
+ (*(_to)) = _val; \
_ret; \
})
+
+#define uverbs_get_const_default_unsigned(_to, _attrs_bundle, _idx, _default) \
+ ({ \
+ u64 _val; \
+ u64 _def_val = _default; \
+ int _ret = \
+ _uverbs_get_const_unsigned(&_val, _attrs_bundle, _idx, \
+ type_max(typeof(*(_to))), &_def_val); \
+ (*(_to)) = _val; \
+ _ret; \
+ })
+
+#define uverbs_get_const(_to, _attrs_bundle, _idx) \
+ (is_signed_type(typeof(*(_to))) ? \
+ uverbs_get_const_signed(_to, _attrs_bundle, _idx) : \
+ uverbs_get_const_unsigned(_to, _attrs_bundle, _idx)) \
+
+#define uverbs_get_const_default(_to, _attrs_bundle, _idx, _default) \
+ (is_signed_type(typeof(*(_to))) ? \
+ uverbs_get_const_default_signed(_to, _attrs_bundle, _idx, \
+ _default) : \
+ uverbs_get_const_default_unsigned(_to, _attrs_bundle, _idx, \
+ _default))
+
#endif