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 #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 8 18 19 #define GUP_TEST_FLAG_DUMP_PAGES_USE_PIN 0x1 20 21 struct 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 is 31 * 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 1 37 #define PIN_LONGTERM_TEST_FLAG_USE_FAST 2 38 39 struct pin_longterm_test { 40 __u64 addr; 41 __u64 size; 42 __u32 flags; 43 }; 44 45 #endif /* __GUP_TEST_H */ 46