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/* 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 PIN_LONGTERM_TEST_START _IOW('g', 7, struct pin_longterm_test)
#define PIN_LONGTERM_TEST_STOP _IO('g', 8)
#define PIN_LONGTERM_TEST_READ _IOW('g', 9, __u64)
#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];
};
#define PIN_LONGTERM_TEST_FLAG_USE_WRITE 1
#define PIN_LONGTERM_TEST_FLAG_USE_FAST 2
struct pin_longterm_test {
__u64 addr;
__u64 size;
__u32 flags;
};
#endif /* __GUP_TEST_H */
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