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
14#define GUP_TEST_MAX_PAGES_TO_DUMP		8
15
16#define GUP_TEST_FLAG_DUMP_PAGES_USE_PIN	0x1
17
18struct gup_test {
19	__u64 get_delta_usec;
20	__u64 put_delta_usec;
21	__u64 addr;
22	__u64 size;
23	__u32 nr_pages_per_call;
24	__u32 gup_flags;
25	__u32 test_flags;
26	/*
27	 * Each non-zero entry is the number of the page (1-based: first page is
28	 * page 1, so that zero entries mean "do nothing") from the .addr base.
29	 */
30	__u32 which_pages[GUP_TEST_MAX_PAGES_TO_DUMP];
31};
32
33#endif	/* __GUP_TEST_H */