46 lines · c
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