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brintos / linux-shallow public Read only

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1/* SPDX-License-Identifier: GPL-2.0-or-later */2#ifndef __GUP_TEST_H3#define __GUP_TEST_H4 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		818 19#define GUP_TEST_FLAG_DUMP_PAGES_USE_PIN	0x120 21struct 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 is31	 * 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	137#define PIN_LONGTERM_TEST_FLAG_USE_FAST		238 39struct pin_longterm_test {40	__u64 addr;41	__u64 size;42	__u32 flags;43};44 45#endif	/* __GUP_TEST_H */46