[RFC PATCH v4 24/36] fuse-bpf: Add fuse-bpf constants

Daniel Rosenberg
2024-03-29T01:54:55Z

This adds constants that fuse_op programs will rely on for communicating
what action fuse should take next.

Signed-off-by: Daniel Rosenberg <drosen@google.com>
---
include/uapi/linux/bpf.h | 12 ++++++++++++
1 file changed, 12 insertions(+)

diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
index 85ec7fc799d7..46c1a3e3166d 100644
--- a/include/uapi/linux/bpf.h
+++ b/include/uapi/linux/bpf.h
@@ -7461,4 +7461,16 @@ struct bpf_iter_num {
__u64 __opaque[1];
} __attribute__((aligned(8)));

+/* Return Codes for Fuse BPF struct_op programs */
+#define BPF_FUSE_CONTINUE 0
+#define BPF_FUSE_USER 1
+#define BPF_FUSE_USER_PREFILTER 2
+#define BPF_FUSE_POSTFILTER 3
+#define BPF_FUSE_USER_POSTFILTER 4
+
+/* Op Code Filter values for BPF Programs */
+#define FUSE_OPCODE_FILTER 0x0ffff
+#define FUSE_PREFILTER 0x10000
+#define FUSE_POSTFILTER 0x20000
+
#endif /* _UAPI__LINUX_BPF_H__ */
--
2.44.0.478.gd926399ef9-goog