1/* SPDX-License-Identifier: GPL-2.0 */
  2/* Copyright (c) 2020 Facebook */
  3#ifndef _BPF_TESTMOD_H
  4#define _BPF_TESTMOD_H
  5
  6#include <linux/types.h>
  7
  8struct task_struct;
  9
 10struct bpf_testmod_test_read_ctx {
 11	char *buf;
 12	loff_t off;
 13	size_t len;
 14};
 15
 16struct bpf_testmod_test_write_ctx {
 17	char *buf;
 18	loff_t off;
 19	size_t len;
 20};
 21
 22struct bpf_testmod_test_writable_ctx {
 23	bool early_ret;
 24	int val;
 25};
 26
 27/* BPF iter that returns *value* *n* times in a row */
 28struct bpf_iter_testmod_seq {
 29	s64 value;
 30	int cnt;
 31};
 32
 33struct bpf_testmod_ops {
 34	int (*test_1)(void);
 35	void (*test_2)(int a, int b);
 36	/* Used to test nullable arguments. */
 37	int (*test_maybe_null)(int dummy, struct task_struct *task);
 38	int (*unsupported_ops)(void);
 39
 40	/* The following fields are used to test shadow copies. */
 41	char onebyte;
 42	struct {
 43		int a;
 44		int b;
 45	} unsupported;
 46	int data;
 47
 48	/* The following pointers are used to test the maps having multiple
 49	 * pages of trampolines.
 50	 */
 51	int (*tramp_1)(int value);
 52	int (*tramp_2)(int value);
 53	int (*tramp_3)(int value);
 54	int (*tramp_4)(int value);
 55	int (*tramp_5)(int value);
 56	int (*tramp_6)(int value);
 57	int (*tramp_7)(int value);
 58	int (*tramp_8)(int value);
 59	int (*tramp_9)(int value);
 60	int (*tramp_10)(int value);
 61	int (*tramp_11)(int value);
 62	int (*tramp_12)(int value);
 63	int (*tramp_13)(int value);
 64	int (*tramp_14)(int value);
 65	int (*tramp_15)(int value);
 66	int (*tramp_16)(int value);
 67	int (*tramp_17)(int value);
 68	int (*tramp_18)(int value);
 69	int (*tramp_19)(int value);
 70	int (*tramp_20)(int value);
 71	int (*tramp_21)(int value);
 72	int (*tramp_22)(int value);
 73	int (*tramp_23)(int value);
 74	int (*tramp_24)(int value);
 75	int (*tramp_25)(int value);
 76	int (*tramp_26)(int value);
 77	int (*tramp_27)(int value);
 78	int (*tramp_28)(int value);
 79	int (*tramp_29)(int value);
 80	int (*tramp_30)(int value);
 81	int (*tramp_31)(int value);
 82	int (*tramp_32)(int value);
 83	int (*tramp_33)(int value);
 84	int (*tramp_34)(int value);
 85	int (*tramp_35)(int value);
 86	int (*tramp_36)(int value);
 87	int (*tramp_37)(int value);
 88	int (*tramp_38)(int value);
 89	int (*tramp_39)(int value);
 90	int (*tramp_40)(int value);
 91};
 92
 93struct bpf_testmod_ops2 {
 94	int (*test_1)(void);
 95};
 96
 97struct bpf_testmod_ops3 {
 98	int (*test_1)(void);
 99	int (*test_2)(void);
100};
101
102struct st_ops_args {
103	u64 a;
104};
105
106struct bpf_testmod_st_ops {
107	int (*test_prologue)(struct st_ops_args *args);
108	int (*test_epilogue)(struct st_ops_args *args);
109	int (*test_pro_epilogue)(struct st_ops_args *args);
110	struct module *owner;
111};
112
113#endif /* _BPF_TESTMOD_H */