[mirror_ubuntu-jammy-kernel.git] / mm / gup_test.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
#ifndef __GUP_TEST_H
#define __GUP_TEST_H

#include <linux/types.h>

#define GUP_FAST_BENCHMARK	_IOWR('g', 1, struct gup_test)
#define PIN_FAST_BENCHMARK	_IOWR('g', 2, struct gup_test)
#define PIN_LONGTERM_BENCHMARK	_IOWR('g', 3, struct gup_test)
#define GUP_BASIC_TEST		_IOWR('g', 4, struct gup_test)
#define PIN_BASIC_TEST		_IOWR('g', 5, struct gup_test)
#define DUMP_USER_PAGES_TEST	_IOWR('g', 6, struct gup_test)

#define GUP_TEST_MAX_PAGES_TO_DUMP		8

#define GUP_TEST_FLAG_DUMP_PAGES_USE_PIN	0x1

struct gup_test {
	__u64 get_delta_usec;
	__u64 put_delta_usec;
	__u64 addr;
	__u64 size;
	__u32 nr_pages_per_call;
	__u32 gup_flags;
	__u32 test_flags;
	/*
	 * Each non-zero entry is the number of the page (1-based: first page is
	 * page 1, so that zero entries mean "do nothing") from the .addr base.
	 */
	__u32 which_pages[GUP_TEST_MAX_PAGES_TO_DUMP];
};

#endif	/* __GUP_TEST_H */
Commit	Line	Data
b9dcfdff JH	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)
a9bed1e1 JH	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)
f4f9bda4 JH	12	#define DUMP_USER_PAGES_TEST _IOWR('g', 6, struct gup_test)
	13
	14	#define GUP_TEST_MAX_PAGES_TO_DUMP 8
	15
	16	#define GUP_TEST_FLAG_DUMP_PAGES_USE_PIN 0x1
b9dcfdff JH	17
	18	struct gup_test {
	19	__u64 get_delta_usec;
	20	__u64 put_delta_usec;
	21	__u64 addr;
	22	__u64 size;
	23	__u32 nr_pages_per_call;
79dbf135 PT	24	__u32 gup_flags;
79dbf135 PT	25	__u32 test_flags;
f4f9bda4 JH	26	/*
	27	* Each non-zero entry is the number of the page (1-based: first page is
	28	* page 1, so that zero entries mean "do nothing") from the .addr base.
	29	*/
	30	__u32 which_pages[GUP_TEST_MAX_PAGES_TO_DUMP];
b9dcfdff JH	31	};
	32
	33	#endif /* __GUP_TEST_H */