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| author | Martin KaFai Lau <kafai@fb.com> | 2018-04-18 15:56:01 -0700 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2018-04-19 21:46:25 +0200 |
| commit | f56a653c1fd13a197076dec4461c656fd2adec73 (patch) | |
| tree | d6ccb94ff2fa8c17a385e4ca29ec6e4b446829a4 /include/linux/btf.h | |
| parent | b00b8daec828dd59af7d1f7a42acd6e5867f80c6 (diff) | |
| download | linux-stable-f56a653c1fd13a197076dec4461c656fd2adec73.tar.gz linux-stable-f56a653c1fd13a197076dec4461c656fd2adec73.tar.bz2 linux-stable-f56a653c1fd13a197076dec4461c656fd2adec73.zip | |
bpf: btf: Add BPF_BTF_LOAD command
This patch adds a BPF_BTF_LOAD command which
1) loads and verifies the BTF (implemented in earlier patches)
2) returns a BTF fd to userspace. In the next patch, the
BTF fd can be specified during BPF_MAP_CREATE.
It currently limits to CAP_SYS_ADMIN.
Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Acked-by: Alexei Starovoitov <ast@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to 'include/linux/btf.h')
| -rw-r--r-- | include/linux/btf.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/btf.h b/include/linux/btf.h index d8bdab0280ba..a7c7072535ea 100644 --- a/include/linux/btf.h +++ b/include/linux/btf.h @@ -8,7 +8,11 @@ struct btf; struct btf_type; +union bpf_attr; +void btf_put(struct btf *btf); +int btf_new_fd(const union bpf_attr *attr); +struct btf *btf_get_by_fd(int fd); /* Figure out the size of a type_id. If type_id is a modifier * (e.g. const), it will be resolved to find out the type with size. * |