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Diffstat (limited to 'include/linux/btf.h')
-rw-r--r--include/linux/btf.h36
1 files changed, 27 insertions, 9 deletions
diff --git a/include/linux/btf.h b/include/linux/btf.h
index cf5c6ff48981..f9e56fd12a9f 100644
--- a/include/linux/btf.h
+++ b/include/linux/btf.h
@@ -137,6 +137,7 @@ struct btf_struct_metas {
extern const struct file_operations btf_fops;
+const char *btf_get_name(const struct btf *btf);
void btf_get(struct btf *btf);
void btf_put(struct btf *btf);
int btf_new_fd(const union bpf_attr *attr, bpfptr_t uattr, u32 uattr_sz);
@@ -494,8 +495,26 @@ static inline void *btf_id_set8_contains(const struct btf_id_set8 *set, u32 id)
return bsearch(&id, set->pairs, set->cnt, sizeof(set->pairs[0]), btf_id_cmp_func);
}
+bool btf_param_match_suffix(const struct btf *btf,
+ const struct btf_param *arg,
+ const char *suffix);
+int btf_ctx_arg_offset(const struct btf *btf, const struct btf_type *func_proto,
+ u32 arg_no);
+
struct bpf_verifier_log;
+#if defined(CONFIG_BPF_JIT) && defined(CONFIG_BPF_SYSCALL)
+struct bpf_struct_ops;
+int __register_bpf_struct_ops(struct bpf_struct_ops *st_ops);
+const struct bpf_struct_ops_desc *bpf_struct_ops_find_value(struct btf *btf, u32 value_id);
+const struct bpf_struct_ops_desc *bpf_struct_ops_find(struct btf *btf, u32 type_id);
+#else
+static inline const struct bpf_struct_ops_desc *bpf_struct_ops_find(struct btf *btf, u32 type_id)
+{
+ return NULL;
+}
+#endif
+
#ifdef CONFIG_BPF_SYSCALL
const struct btf_type *btf_type_by_id(const struct btf *btf, u32 type_id);
const char *btf_name_by_offset(const struct btf *btf, u32 offset);
@@ -512,10 +531,9 @@ 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);
struct btf_struct_meta *btf_find_struct_meta(const struct btf *btf, u32 btf_id);
-const struct btf_type *
-btf_get_prog_ctx_type(struct bpf_verifier_log *log, const struct btf *btf,
- const struct btf_type *t, enum bpf_prog_type prog_type,
- int arg);
+bool btf_is_prog_ctx_type(struct bpf_verifier_log *log, const struct btf *btf,
+ const struct btf_type *t, enum bpf_prog_type prog_type,
+ int arg);
int get_kern_ctx_btf_id(struct bpf_verifier_log *log, enum bpf_prog_type prog_type);
bool btf_types_are_same(const struct btf *btf1, u32 id1,
const struct btf *btf2, u32 id2);
@@ -555,12 +573,12 @@ static inline struct btf_struct_meta *btf_find_struct_meta(const struct btf *btf
{
return NULL;
}
-static inline const struct btf_member *
-btf_get_prog_ctx_type(struct bpf_verifier_log *log, const struct btf *btf,
- const struct btf_type *t, enum bpf_prog_type prog_type,
- int arg)
+static inline bool
+btf_is_prog_ctx_type(struct bpf_verifier_log *log, const struct btf *btf,
+ const struct btf_type *t, enum bpf_prog_type prog_type,
+ int arg)
{
- return NULL;
+ return false;
}
static inline int get_kern_ctx_btf_id(struct bpf_verifier_log *log,
enum bpf_prog_type prog_type) {