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Diffstat (limited to 'include/linux/btf.h')
-rw-r--r--include/linux/btf.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/include/linux/btf.h b/include/linux/btf.h
index 36bc09b8e890..2611cea2c2b6 100644
--- a/include/linux/btf.h
+++ b/include/linux/btf.h
@@ -17,6 +17,7 @@ enum btf_kfunc_type {
BTF_KFUNC_TYPE_ACQUIRE,
BTF_KFUNC_TYPE_RELEASE,
BTF_KFUNC_TYPE_RET_NULL,
+ BTF_KFUNC_TYPE_KPTR_ACQUIRE,
BTF_KFUNC_TYPE_MAX,
};
@@ -35,11 +36,19 @@ struct btf_kfunc_id_set {
struct btf_id_set *acquire_set;
struct btf_id_set *release_set;
struct btf_id_set *ret_null_set;
+ struct btf_id_set *kptr_acquire_set;
};
struct btf_id_set *sets[BTF_KFUNC_TYPE_MAX];
};
};
+struct btf_id_dtor_kfunc {
+ u32 btf_id;
+ u32 kfunc_btf_id;
+};
+
+typedef void (*btf_dtor_kfunc_t)(void *);
+
extern const struct file_operations btf_fops;
void btf_get(struct btf *btf);
@@ -123,6 +132,8 @@ bool btf_member_is_reg_int(const struct btf *btf, const struct btf_type *s,
u32 expected_offset, u32 expected_size);
int btf_find_spin_lock(const struct btf *btf, const struct btf_type *t);
int btf_find_timer(const struct btf *btf, const struct btf_type *t);
+struct bpf_map_value_off *btf_parse_kptrs(const struct btf *btf,
+ const struct btf_type *t);
bool btf_type_is_void(const struct btf_type *t);
s32 btf_find_by_name_kind(const struct btf *btf, const char *name, u8 kind);
const struct btf_type *btf_type_skip_modifiers(const struct btf *btf,
@@ -344,6 +355,9 @@ bool btf_kfunc_id_set_contains(const struct btf *btf,
enum btf_kfunc_type type, u32 kfunc_btf_id);
int register_btf_kfunc_id_set(enum bpf_prog_type prog_type,
const struct btf_kfunc_id_set *s);
+s32 btf_find_dtor_kfunc(struct btf *btf, u32 btf_id);
+int register_btf_id_dtor_kfuncs(const struct btf_id_dtor_kfunc *dtors, u32 add_cnt,
+ struct module *owner);
#else
static inline const struct btf_type *btf_type_by_id(const struct btf *btf,
u32 type_id)
@@ -367,6 +381,15 @@ static inline int register_btf_kfunc_id_set(enum bpf_prog_type prog_type,
{
return 0;
}
+static inline s32 btf_find_dtor_kfunc(struct btf *btf, u32 btf_id)
+{
+ return -ENOENT;
+}
+static inline int register_btf_id_dtor_kfuncs(const struct btf_id_dtor_kfunc *dtors,
+ u32 add_cnt, struct module *owner)
+{
+ return 0;
+}
#endif
#endif