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 
21 struct 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 
39 struct pin_longterm_test {
40 	__u64 addr;
41 	__u64 size;
42 	__u32 flags;
43 };
44 
45 #endif	/* __GUP_TEST_H */
46