aboutsummaryrefslogtreecommitdiffstats
path: root/tools/include/uapi/linux/bpf.h
diff options
context:
space:
mode:
Diffstat (limited to 'tools/include/uapi/linux/bpf.h')
-rw-r--r--tools/include/uapi/linux/bpf.h45
1 files changed, 44 insertions, 1 deletions
diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h
index 162999b12790..1233f14f659f 100644
--- a/tools/include/uapi/linux/bpf.h
+++ b/tools/include/uapi/linux/bpf.h
@@ -557,7 +557,12 @@ union bpf_attr {
__aligned_u64 line_info; /* line info */
__u32 line_info_cnt; /* number of bpf_line_info records */
__u32 attach_btf_id; /* in-kernel BTF type id to attach to */
- __u32 attach_prog_fd; /* 0 to attach to vmlinux */
+ union {
+ /* valid prog_fd to attach to bpf prog */
+ __u32 attach_prog_fd;
+ /* or valid module BTF object fd or 0 to attach to vmlinux */
+ __u32 attach_btf_obj_fd;
+ };
};
struct { /* anonymous struct used by BPF_OBJ_* commands */
@@ -3787,6 +3792,36 @@ union bpf_attr {
* *ARG_PTR_TO_BTF_ID* of type *task_struct*.
* Return
* Pointer to the current task.
+ *
+ * long bpf_bprm_opts_set(struct linux_binprm *bprm, u64 flags)
+ * Description
+ * Set or clear certain options on *bprm*:
+ *
+ * **BPF_F_BPRM_SECUREEXEC** Set the secureexec bit
+ * which sets the **AT_SECURE** auxv for glibc. The bit
+ * is cleared if the flag is not specified.
+ * Return
+ * **-EINVAL** if invalid *flags* are passed, zero otherwise.
+ *
+ * u64 bpf_ktime_get_coarse_ns(void)
+ * Description
+ * Return a coarse-grained version of the time elapsed since
+ * system boot, in nanoseconds. Does not include time the system
+ * was suspended.
+ *
+ * See: **clock_gettime**\ (**CLOCK_MONOTONIC_COARSE**)
+ * Return
+ * Current *ktime*.
+ *
+ * long bpf_ima_inode_hash(struct inode *inode, void *dst, u32 size)
+ * Description
+ * Returns the stored IMA hash of the *inode* (if it's avaialable).
+ * If the hash is larger than *size*, then only *size*
+ * bytes will be copied to *dst*
+ * Return
+ * The **hash_algo** is returned on success,
+ * **-EOPNOTSUP** if IMA is disabled or **-EINVAL** if
+ * invalid arguments are passed.
*/
#define __BPF_FUNC_MAPPER(FN) \
FN(unspec), \
@@ -3948,6 +3983,9 @@ union bpf_attr {
FN(task_storage_get), \
FN(task_storage_delete), \
FN(get_current_task_btf), \
+ FN(bprm_opts_set), \
+ FN(ktime_get_coarse_ns), \
+ FN(ima_inode_hash), \
/* */
/* integer value in 'imm' field of BPF_CALL instruction selects which helper
@@ -4119,6 +4157,11 @@ enum bpf_lwt_encap_mode {
BPF_LWT_ENCAP_IP,
};
+/* Flags for bpf_bprm_opts_set helper */
+enum {
+ BPF_F_BPRM_SECUREEXEC = (1ULL << 0),
+};
+
#define __bpf_md_ptr(type, name) \
union { \
type name; \