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) 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 14 #define GUP_TEST_MAX_PAGES_TO_DUMP 8 15 16 #define GUP_TEST_FLAG_DUMP_PAGES_USE_PIN 0x1 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; 24 __u32 gup_flags; 25 __u32 test_flags; 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]; 31 }; 32 33 #endif /* __GUP_TEST_H */ 34