diff options
Diffstat (limited to 'include/linux/bpf.h')
| -rw-r--r-- | include/linux/bpf.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/include/linux/bpf.h b/include/linux/bpf.h index b14e51d56a82..50f3b20ae284 100644 --- a/include/linux/bpf.h +++ b/include/linux/bpf.h @@ -349,6 +349,10 @@ struct bpf_verifier_ops { const struct bpf_insn *src, struct bpf_insn *dst, struct bpf_prog *prog, u32 *target_size); + int (*btf_struct_access)(struct bpf_verifier_log *log, + const struct btf_type *t, int off, int size, + enum bpf_access_type atype, + u32 *next_btf_id); }; struct bpf_prog_offload_ops { @@ -668,6 +672,32 @@ struct bpf_array_aux { struct work_struct work; }; +struct btf_type; +struct btf_member; + +#define BPF_STRUCT_OPS_MAX_NR_MEMBERS 64 +struct bpf_struct_ops { + const struct bpf_verifier_ops *verifier_ops; + int (*init)(struct btf *btf); + int (*check_member)(const struct btf_type *t, + const struct btf_member *member); + const struct btf_type *type; + const char *name; + struct btf_func_model func_models[BPF_STRUCT_OPS_MAX_NR_MEMBERS]; + u32 type_id; +}; + +#if defined(CONFIG_BPF_JIT) && defined(CONFIG_BPF_SYSCALL) +const struct bpf_struct_ops *bpf_struct_ops_find(u32 type_id); +void bpf_struct_ops_init(struct btf *btf); +#else +static inline const struct bpf_struct_ops *bpf_struct_ops_find(u32 type_id) +{ + return NULL; +} +static inline void bpf_struct_ops_init(struct btf *btf) { } +#endif + struct bpf_array { struct bpf_map map; u32 elem_size; |