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