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
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