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33 lines
938 B
33 lines
938 B
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
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#ifndef __GUP_TEST_H |
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#define __GUP_TEST_H |
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#include <linux/types.h> |
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#define GUP_FAST_BENCHMARK _IOWR('g', 1, struct gup_test) |
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#define PIN_FAST_BENCHMARK _IOWR('g', 2, struct gup_test) |
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#define PIN_LONGTERM_BENCHMARK _IOWR('g', 3, struct gup_test) |
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#define GUP_BASIC_TEST _IOWR('g', 4, struct gup_test) |
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#define PIN_BASIC_TEST _IOWR('g', 5, struct gup_test) |
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#define DUMP_USER_PAGES_TEST _IOWR('g', 6, struct gup_test) |
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#define GUP_TEST_MAX_PAGES_TO_DUMP 8 |
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#define GUP_TEST_FLAG_DUMP_PAGES_USE_PIN 0x1 |
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struct gup_test { |
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__u64 get_delta_usec; |
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__u64 put_delta_usec; |
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__u64 addr; |
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__u64 size; |
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__u32 nr_pages_per_call; |
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__u32 gup_flags; |
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__u32 test_flags; |
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/* |
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* Each non-zero entry is the number of the page (1-based: first page is |
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* page 1, so that zero entries mean "do nothing") from the .addr base. |
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*/ |
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__u32 which_pages[GUP_TEST_MAX_PAGES_TO_DUMP]; |
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}; |
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#endif /* __GUP_TEST_H */
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