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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 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 */