1/* SPDX-License-Identifier: GPL-2.0-or-later */
2#ifndef __GUP_TEST_H
3#define __GUP_TEST_H
4
5#include <linux/types.h>
6
7#define GUP_FAST_BENCHMARK	_IOWR('g', 1, struct gup_test)
8#define PIN_FAST_BENCHMARK	_IOWR('g', 2, struct gup_test)
9#define PIN_LONGTERM_BENCHMARK	_IOWR('g', 3, struct gup_test)
10#define GUP_BASIC_TEST		_IOWR('g', 4, struct gup_test)
11#define PIN_BASIC_TEST		_IOWR('g', 5, struct gup_test)
12#define DUMP_USER_PAGES_TEST	_IOWR('g', 6, struct gup_test)
13#define PIN_LONGTERM_TEST_START	_IOW('g', 7, struct pin_longterm_test)
14#define PIN_LONGTERM_TEST_STOP	_IO('g', 8)
15#define PIN_LONGTERM_TEST_READ	_IOW('g', 9, __u64)
16
17#define GUP_TEST_MAX_PAGES_TO_DUMP		8
18
19#define GUP_TEST_FLAG_DUMP_PAGES_USE_PIN	0x1
20
21struct gup_test {
22	__u64 get_delta_usec;
23	__u64 put_delta_usec;
24	__u64 addr;
25	__u64 size;
26	__u32 nr_pages_per_call;
27	__u32 gup_flags;
28	__u32 test_flags;
29	/*
30	 * Each non-zero entry is the number of the page (1-based: first page is
31	 * page 1, so that zero entries mean "do nothing") from the .addr base.
32	 */
33	__u32 which_pages[GUP_TEST_MAX_PAGES_TO_DUMP];
34};
35
36#define PIN_LONGTERM_TEST_FLAG_USE_WRITE	1
37#define PIN_LONGTERM_TEST_FLAG_USE_FAST		2
38
39struct pin_longterm_test {
40	__u64 addr;
41	__u64 size;
42	__u32 flags;
43};
44
45#endif	/* __GUP_TEST_H */
46