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| author | Stanislav Fomichev <sdf@google.com> | 2022-06-28 19:43:12 +0200 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2022-06-29 22:21:52 +0200 |
| commit | a4b2f3cf699f8ec3964722e7ef3f37f809701172 (patch) | |
| tree | 2ff347dbe5293957cfcce70ba882d543b24d039c /tools/lib/bpf/bpf.h | |
| parent | libbpf: add lsm_cgoup_sock type (diff) | |
| download | linux-a4b2f3cf699f8ec3964722e7ef3f37f809701172.tar.xz linux-a4b2f3cf699f8ec3964722e7ef3f37f809701172.zip | |
libbpf: implement bpf_prog_query_opts
Implement bpf_prog_query_opts as a more expendable version of
bpf_prog_query. Expose new prog_attach_flags and attach_btf_func_id as
well:
* prog_attach_flags is a per-program attach_type; relevant only for
lsm cgroup program which might have different attach_flags
per attach_btf_id
* attach_btf_func_id is a new field expose for prog_query which
specifies real btf function id for lsm cgroup attachments
Acked-by: Martin KaFai Lau <kafai@fb.com>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Link: https://lore.kernel.org/r/20220628174314.1216643-10-sdf@google.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'tools/lib/bpf/bpf.h')
| -rw-r--r-- | tools/lib/bpf/bpf.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/tools/lib/bpf/bpf.h b/tools/lib/bpf/bpf.h index af7baf5da74d..88a7cc4bd76f 100644 --- a/tools/lib/bpf/bpf.h +++ b/tools/lib/bpf/bpf.h @@ -359,9 +359,24 @@ LIBBPF_API int bpf_map_get_fd_by_id(__u32 id); LIBBPF_API int bpf_btf_get_fd_by_id(__u32 id); LIBBPF_API int bpf_link_get_fd_by_id(__u32 id); LIBBPF_API int bpf_obj_get_info_by_fd(int bpf_fd, void *info, __u32 *info_len); + +struct bpf_prog_query_opts { + size_t sz; /* size of this struct for forward/backward compatibility */ + __u32 query_flags; + __u32 attach_flags; /* output argument */ + __u32 *prog_ids; + __u32 prog_cnt; /* input+output argument */ + __u32 *prog_attach_flags; +}; +#define bpf_prog_query_opts__last_field prog_attach_flags + +LIBBPF_API int bpf_prog_query_opts(int target_fd, + enum bpf_attach_type type, + struct bpf_prog_query_opts *opts); LIBBPF_API int bpf_prog_query(int target_fd, enum bpf_attach_type type, __u32 query_flags, __u32 *attach_flags, __u32 *prog_ids, __u32 *prog_cnt); + LIBBPF_API int bpf_raw_tracepoint_open(const char *name, int prog_fd); LIBBPF_API int bpf_task_fd_query(int pid, int fd, __u32 flags, char *buf, __u32 *buf_len, __u32 *prog_id, __u32 *fd_type, |