aboutsummaryrefslogtreecommitdiff
path: root/include/linux/btf.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/btf.h')
-rw-r--r--include/linux/btf.h8
1 files changed, 5 insertions, 3 deletions
diff --git a/include/linux/btf.h b/include/linux/btf.h
index 556b3e2e7471..495250162422 100644
--- a/include/linux/btf.h
+++ b/include/linux/btf.h
@@ -71,6 +71,10 @@
#define KF_SLEEPABLE (1 << 5) /* kfunc may sleep */
#define KF_DESTRUCTIVE (1 << 6) /* kfunc performs destructive actions */
#define KF_RCU (1 << 7) /* kfunc takes either rcu or trusted pointer arguments */
+/* only one of KF_ITER_{NEW,NEXT,DESTROY} could be specified per kfunc */
+#define KF_ITER_NEW (1 << 8) /* kfunc implements BPF iter constructor */
+#define KF_ITER_NEXT (1 << 9) /* kfunc implements BPF iter next method */
+#define KF_ITER_DESTROY (1 << 10) /* kfunc implements BPF iter destructor */
/*
* Tag marking a kernel function as a kfunc. This is meant to minimize the
@@ -117,13 +121,11 @@ struct btf_struct_metas {
struct btf_struct_meta types[];
};
-typedef void (*btf_dtor_kfunc_t)(void *);
-
extern const struct file_operations btf_fops;
void btf_get(struct btf *btf);
void btf_put(struct btf *btf);
-int btf_new_fd(const union bpf_attr *attr, bpfptr_t uattr);
+int btf_new_fd(const union bpf_attr *attr, bpfptr_t uattr, u32 uattr_sz);
struct btf *btf_get_by_fd(int fd);
int btf_get_info_by_fd(const struct btf *btf,
const union bpf_attr *attr,