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authorDarrick J. Wong <djwong@us.ibm.com>2012-03-23 18:02:26 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2012-03-23 19:58:38 -0400
commit577eba9e22e872574c466648b46eeb3e0d04372e (patch)
tree725d141dad7d04d5fc776429eafa82e27fc0a8d2 /lib
parent6a0962b22eccc70b8421014022c07efcf194a95e (diff)
crc32: add self-test code for crc32c
Add self-test code for crc32c. Signed-off-by: Darrick J. Wong <djwong@us.ibm.com> Cc: Bob Pearson <rpearson@systemfabricworks.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'lib')
-rw-r--r--lib/crc32.c363
1 files changed, 261 insertions, 102 deletions
diff --git a/lib/crc32.c b/lib/crc32.c
index 87678dd1141e..b0d278fb1d91 100644
--- a/lib/crc32.c
+++ b/lib/crc32.c
@@ -782,113 +782,265 @@ static struct crc_test {
782 u32 length; /* random 11 bit length of test */ 782 u32 length; /* random 11 bit length of test */
783 u32 crc_le; /* expected crc32_le result */ 783 u32 crc_le; /* expected crc32_le result */
784 u32 crc_be; /* expected crc32_be result */ 784 u32 crc_be; /* expected crc32_be result */
785 u32 crc32c_le; /* expected crc32c_le result */
785} test[] = 786} test[] =
786{ 787{
787 {0x674bf11d, 0x00000038, 0x00000542, 0x0af6d466, 0xd8b6e4c1}, 788 {0x674bf11d, 0x00000038, 0x00000542, 0x0af6d466, 0xd8b6e4c1,
788 {0x35c672c6, 0x0000003a, 0x000001aa, 0xc6d3dfba, 0x28aaf3ad}, 789 0xf6e93d6c},
789 {0x496da28e, 0x00000039, 0x000005af, 0xd933660f, 0x5d57e81f}, 790 {0x35c672c6, 0x0000003a, 0x000001aa, 0xc6d3dfba, 0x28aaf3ad,
790 {0x09a9b90e, 0x00000027, 0x000001f8, 0xb45fe007, 0xf45fca9a}, 791 0x0fe92aca},
791 {0xdc97e5a9, 0x00000025, 0x000003b6, 0xf81a3562, 0xe0126ba2}, 792 {0x496da28e, 0x00000039, 0x000005af, 0xd933660f, 0x5d57e81f,
792 {0x47c58900, 0x0000000a, 0x000000b9, 0x8e58eccf, 0xf3afc793}, 793 0x52e1ebb8},
793 {0x292561e8, 0x0000000c, 0x00000403, 0xa2ba8aaf, 0x0b797aed}, 794 {0x09a9b90e, 0x00000027, 0x000001f8, 0xb45fe007, 0xf45fca9a,
794 {0x415037f6, 0x00000003, 0x00000676, 0xa17d52e8, 0x7f0fdf35}, 795 0x0798af9a},
795 {0x3466e707, 0x00000026, 0x00000042, 0x258319be, 0x75c484a2}, 796 {0xdc97e5a9, 0x00000025, 0x000003b6, 0xf81a3562, 0xe0126ba2,
796 {0xafd1281b, 0x00000023, 0x000002ee, 0x4428eaf8, 0x06c7ad10}, 797 0x18eb3152},
797 {0xd3857b18, 0x00000028, 0x000004a2, 0x5c430821, 0xb062b7cb}, 798 {0x47c58900, 0x0000000a, 0x000000b9, 0x8e58eccf, 0xf3afc793,
798 {0x1d825a8f, 0x0000002b, 0x0000050b, 0xd2c45f0c, 0xd68634e0}, 799 0xd00d08c7},
799 {0x5033e3bc, 0x0000000b, 0x00000078, 0xa3ea4113, 0xac6d31fb}, 800 {0x292561e8, 0x0000000c, 0x00000403, 0xa2ba8aaf, 0x0b797aed,
800 {0x94f1fb5e, 0x0000000f, 0x000003a2, 0xfbfc50b1, 0x3cfe50ed}, 801 0x8ba966bc},
801 {0xc9a0fe14, 0x00000009, 0x00000473, 0x5fb61894, 0x87070591}, 802 {0x415037f6, 0x00000003, 0x00000676, 0xa17d52e8, 0x7f0fdf35,
802 {0x88a034b1, 0x0000001c, 0x000005ad, 0xc1b16053, 0x46f95c67}, 803 0x11d694a2},
803 {0xf0f72239, 0x00000020, 0x0000026d, 0xa6fa58f3, 0xf8c2c1dd}, 804 {0x3466e707, 0x00000026, 0x00000042, 0x258319be, 0x75c484a2,
804 {0xcc20a5e3, 0x0000003b, 0x0000067a, 0x7740185a, 0x308b979a}, 805 0x6ab3208d},
805 {0xce589c95, 0x0000002b, 0x00000641, 0xd055e987, 0x40aae25b}, 806 {0xafd1281b, 0x00000023, 0x000002ee, 0x4428eaf8, 0x06c7ad10,
806 {0x78edc885, 0x00000035, 0x000005be, 0xa39cb14b, 0x035b0d1f}, 807 0xba4603c5},
807 {0x9d40a377, 0x0000003b, 0x00000038, 0x1f47ccd2, 0x197fbc9d}, 808 {0xd3857b18, 0x00000028, 0x000004a2, 0x5c430821, 0xb062b7cb,
808 {0x703d0e01, 0x0000003c, 0x000006f1, 0x88735e7c, 0xfed57c5a}, 809 0xe6071c6f},
809 {0x776bf505, 0x0000000f, 0x000005b2, 0x5cc4fc01, 0xf32efb97}, 810 {0x1d825a8f, 0x0000002b, 0x0000050b, 0xd2c45f0c, 0xd68634e0,
810 {0x4a3e7854, 0x00000027, 0x000004b8, 0x8d923c82, 0x0cbfb4a2}, 811 0x179ec30a},
811 {0x209172dd, 0x0000003b, 0x00000356, 0xb89e9c2b, 0xd7868138}, 812 {0x5033e3bc, 0x0000000b, 0x00000078, 0xa3ea4113, 0xac6d31fb,
812 {0x3ba4cc5b, 0x0000002f, 0x00000203, 0xe51601a9, 0x5b2a1032}, 813 0x0903beb8},
813 {0xfc62f297, 0x00000000, 0x00000079, 0x71a8e1a2, 0x5d88685f}, 814 {0x94f1fb5e, 0x0000000f, 0x000003a2, 0xfbfc50b1, 0x3cfe50ed,
814 {0x64280b8b, 0x00000016, 0x000007ab, 0x0fa7a30c, 0xda3a455f}, 815 0x6a7cb4fa},
815 {0x97dd724b, 0x00000033, 0x000007ad, 0x5788b2f4, 0xd7326d32}, 816 {0xc9a0fe14, 0x00000009, 0x00000473, 0x5fb61894, 0x87070591,
816 {0x61394b52, 0x00000035, 0x00000571, 0xc66525f1, 0xcabe7fef}, 817 0xdb535801},
817 {0x29b4faff, 0x00000024, 0x0000006e, 0xca13751e, 0x993648e0}, 818 {0x88a034b1, 0x0000001c, 0x000005ad, 0xc1b16053, 0x46f95c67,
818 {0x29bfb1dc, 0x0000000b, 0x00000244, 0x436c43f7, 0x429f7a59}, 819 0x92bed597},
819 {0x86ae934b, 0x00000035, 0x00000104, 0x0760ec93, 0x9cf7d0f4}, 820 {0xf0f72239, 0x00000020, 0x0000026d, 0xa6fa58f3, 0xf8c2c1dd,
820 {0xc4c1024e, 0x0000002e, 0x000006b1, 0x6516a3ec, 0x19321f9c}, 821 0x192a3f1b},
821 {0x3287a80a, 0x00000026, 0x00000496, 0x0b257eb1, 0x754ebd51}, 822 {0xcc20a5e3, 0x0000003b, 0x0000067a, 0x7740185a, 0x308b979a,
822 {0xa4db423e, 0x00000023, 0x0000045d, 0x9b3a66dc, 0x873e9f11}, 823 0xccbaec1a},
823 {0x7a1078df, 0x00000015, 0x0000014a, 0x8c2484c5, 0x6a628659}, 824 {0xce589c95, 0x0000002b, 0x00000641, 0xd055e987, 0x40aae25b,
824 {0x6048bd5b, 0x00000006, 0x0000006a, 0x897e3559, 0xac9961af}, 825 0x7eabae4d},
825 {0xd8f9ea20, 0x0000003d, 0x00000277, 0x60eb905b, 0xed2aaf99}, 826 {0x78edc885, 0x00000035, 0x000005be, 0xa39cb14b, 0x035b0d1f,
826 {0xea5ec3b4, 0x0000002a, 0x000004fe, 0x869965dc, 0x6c1f833b}, 827 0x28c72982},
827 {0x2dfb005d, 0x00000016, 0x00000345, 0x6a3b117e, 0xf05e8521}, 828 {0x9d40a377, 0x0000003b, 0x00000038, 0x1f47ccd2, 0x197fbc9d,
828 {0x5a214ade, 0x00000020, 0x000005b6, 0x467f70be, 0xcb22ccd3}, 829 0xc3cd4d18},
829 {0xf0ab9cca, 0x00000032, 0x00000515, 0xed223df3, 0x7f3ef01d}, 830 {0x703d0e01, 0x0000003c, 0x000006f1, 0x88735e7c, 0xfed57c5a,
830 {0x91b444f9, 0x0000002e, 0x000007f8, 0x84e9a983, 0x5676756f}, 831 0xbca8f0e7},
831 {0x1b5d2ddb, 0x0000002e, 0x0000012c, 0xba638c4c, 0x3f42047b}, 832 {0x776bf505, 0x0000000f, 0x000005b2, 0x5cc4fc01, 0xf32efb97,
832 {0xd824d1bb, 0x0000003a, 0x000007b5, 0x6288653b, 0x3a3ebea0}, 833 0x713f60b3},
833 {0x0470180c, 0x00000034, 0x000001f0, 0x9d5b80d6, 0x3de08195}, 834 {0x4a3e7854, 0x00000027, 0x000004b8, 0x8d923c82, 0x0cbfb4a2,
834 {0xffaa3a3f, 0x00000036, 0x00000299, 0xf3a82ab8, 0x53e0c13d}, 835 0xebd08fd5},
835 {0x6406cfeb, 0x00000023, 0x00000600, 0xa920b8e8, 0xe4e2acf4}, 836 {0x209172dd, 0x0000003b, 0x00000356, 0xb89e9c2b, 0xd7868138,
836 {0xb24aaa38, 0x0000003e, 0x000004a1, 0x657cc328, 0x5077b2c3}, 837 0x64406c59},
837 {0x58b2ab7c, 0x00000039, 0x000002b4, 0x3a17ee7e, 0x9dcb3643}, 838 {0x3ba4cc5b, 0x0000002f, 0x00000203, 0xe51601a9, 0x5b2a1032,
838 {0x3db85970, 0x00000006, 0x000002b6, 0x95268b59, 0xb9812c10}, 839 0x7421890e},
839 {0x857830c5, 0x00000003, 0x00000590, 0x4ef439d5, 0xf042161d}, 840 {0xfc62f297, 0x00000000, 0x00000079, 0x71a8e1a2, 0x5d88685f,
840 {0xe1fcd978, 0x0000003e, 0x000007d8, 0xae8d8699, 0xce0a1ef5}, 841 0xe9347603},
841 {0xb982a768, 0x00000016, 0x000006e0, 0x62fad3df, 0x5f8a067b}, 842 {0x64280b8b, 0x00000016, 0x000007ab, 0x0fa7a30c, 0xda3a455f,
842 {0x1d581ce8, 0x0000001e, 0x0000058b, 0xf0f5da53, 0x26e39eee}, 843 0x1bef9060},
843 {0x2456719b, 0x00000025, 0x00000503, 0x4296ac64, 0xd50e4c14}, 844 {0x97dd724b, 0x00000033, 0x000007ad, 0x5788b2f4, 0xd7326d32,
844 {0xfae6d8f2, 0x00000000, 0x0000055d, 0x057fdf2e, 0x2a31391a}, 845 0x34720072},
845 {0xcba828e3, 0x00000039, 0x000002ce, 0xe3f22351, 0x8f00877b}, 846 {0x61394b52, 0x00000035, 0x00000571, 0xc66525f1, 0xcabe7fef,
846 {0x13d25952, 0x0000000a, 0x0000072d, 0x76d4b4cc, 0x5eb67ec3}, 847 0x48310f59},
847 {0x0342be3f, 0x00000015, 0x00000599, 0xec75d9f1, 0x9d4d2826}, 848 {0x29b4faff, 0x00000024, 0x0000006e, 0xca13751e, 0x993648e0,
848 {0xeaa344e0, 0x00000014, 0x000004d8, 0x72a4c981, 0x2064ea06}, 849 0x783a4213},
849 {0xbbb52021, 0x0000003b, 0x00000272, 0x04af99fc, 0xaf042d35}, 850 {0x29bfb1dc, 0x0000000b, 0x00000244, 0x436c43f7, 0x429f7a59,
850 {0xb66384dc, 0x0000001d, 0x000007fc, 0xd7629116, 0x782bd801}, 851 0x9e8efd41},
851 {0x616c01b6, 0x00000022, 0x000002c8, 0x5b1dab30, 0x783ce7d2}, 852 {0x86ae934b, 0x00000035, 0x00000104, 0x0760ec93, 0x9cf7d0f4,
852 {0xce2bdaad, 0x00000016, 0x0000062a, 0x932535c8, 0x3f02926d}, 853 0xfc3d34a5},
853 {0x00fe84d7, 0x00000005, 0x00000205, 0x850e50aa, 0x753d649c}, 854 {0xc4c1024e, 0x0000002e, 0x000006b1, 0x6516a3ec, 0x19321f9c,
854 {0xbebdcb4c, 0x00000006, 0x0000055d, 0xbeaa37a2, 0x2d8c9eba}, 855 0x17a52ae2},
855 {0xd8b1a02a, 0x00000010, 0x00000387, 0x5017d2fc, 0x503541a5}, 856 {0x3287a80a, 0x00000026, 0x00000496, 0x0b257eb1, 0x754ebd51,
856 {0x3b96cad2, 0x00000036, 0x00000347, 0x1d2372ae, 0x926cd90b}, 857 0x886d935a},
857 {0xc94c1ed7, 0x00000005, 0x0000038b, 0x9e9fdb22, 0x144a9178}, 858 {0xa4db423e, 0x00000023, 0x0000045d, 0x9b3a66dc, 0x873e9f11,
858 {0x1aad454e, 0x00000025, 0x000002b2, 0xc3f6315c, 0x5c7a35b3}, 859 0xeaaeaeb2},
859 {0xa4fec9a6, 0x00000000, 0x000006d6, 0x90be5080, 0xa4107605}, 860 {0x7a1078df, 0x00000015, 0x0000014a, 0x8c2484c5, 0x6a628659,
860 {0x1bbe71e2, 0x0000001f, 0x000002fd, 0x4e504c3b, 0x284ccaf1}, 861 0x8e900a4b},
861 {0x4201c7e4, 0x00000002, 0x000002b7, 0x7822e3f9, 0x0cc912a9}, 862 {0x6048bd5b, 0x00000006, 0x0000006a, 0x897e3559, 0xac9961af,
862 {0x23fddc96, 0x00000003, 0x00000627, 0x8a385125, 0x07767e78}, 863 0xd74662b1},
863 {0xd82ba25c, 0x00000016, 0x0000063e, 0x98e4148a, 0x283330c9}, 864 {0xd8f9ea20, 0x0000003d, 0x00000277, 0x60eb905b, 0xed2aaf99,
864 {0x786f2032, 0x0000002d, 0x0000060f, 0xf201600a, 0xf561bfcd}, 865 0xd26752ba},
865 {0xfebe4e1f, 0x0000002a, 0x000004f2, 0x95e51961, 0xfd80dcab}, 866 {0xea5ec3b4, 0x0000002a, 0x000004fe, 0x869965dc, 0x6c1f833b,
866 {0x1a6e0a39, 0x00000008, 0x00000672, 0x8af6c2a5, 0x78dd84cb}, 867 0x8b1fcd62},
867 {0x56000ab8, 0x0000000e, 0x000000e5, 0x36bacb8f, 0x22ee1f77}, 868 {0x2dfb005d, 0x00000016, 0x00000345, 0x6a3b117e, 0xf05e8521,
868 {0x4717fe0c, 0x00000000, 0x000006ec, 0x8439f342, 0x5c8e03da}, 869 0xf54342fe},
869 {0xd5d5d68e, 0x0000003c, 0x000003a3, 0x46fff083, 0x177d1b39}, 870 {0x5a214ade, 0x00000020, 0x000005b6, 0x467f70be, 0xcb22ccd3,
870 {0xc25dd6c6, 0x00000024, 0x000006c0, 0x5ceb8eb4, 0x892b0d16}, 871 0x5b95b988},
871 {0xe9b11300, 0x00000023, 0x00000683, 0x07a5d59a, 0x6c6a3208}, 872 {0xf0ab9cca, 0x00000032, 0x00000515, 0xed223df3, 0x7f3ef01d,
872 {0x95cd285e, 0x00000001, 0x00000047, 0x7b3a4368, 0x0202c07e}, 873 0x2e1176be},
873 {0xd9245a25, 0x0000001e, 0x000003a6, 0xd33c1841, 0x1936c0d5}, 874 {0x91b444f9, 0x0000002e, 0x000007f8, 0x84e9a983, 0x5676756f,
874 {0x103279db, 0x00000006, 0x0000039b, 0xca09b8a0, 0x77d62892}, 875 0x66120546},
875 {0x1cba3172, 0x00000027, 0x000001c8, 0xcb377194, 0xebe682db}, 876 {0x1b5d2ddb, 0x0000002e, 0x0000012c, 0xba638c4c, 0x3f42047b,
876 {0x8f613739, 0x0000000c, 0x000001df, 0xb4b0bc87, 0x7710bd43}, 877 0xf256a5cc},
877 {0x1c6aa90d, 0x0000001b, 0x0000053c, 0x70559245, 0xda7894ac}, 878 {0xd824d1bb, 0x0000003a, 0x000007b5, 0x6288653b, 0x3a3ebea0,
878 {0xaabe5b93, 0x0000003d, 0x00000715, 0xcdbf42fa, 0x0c3b99e7}, 879 0x4af1dd69},
879 {0xf15dd038, 0x00000006, 0x000006db, 0x6e104aea, 0x8d5967f2}, 880 {0x0470180c, 0x00000034, 0x000001f0, 0x9d5b80d6, 0x3de08195,
880 {0x584dd49c, 0x00000020, 0x000007bc, 0x36b6cfd6, 0xad4e23b2}, 881 0x56f0a04a},
881 {0x5d8c9506, 0x00000020, 0x00000470, 0x4c62378e, 0x31d92640}, 882 {0xffaa3a3f, 0x00000036, 0x00000299, 0xf3a82ab8, 0x53e0c13d,
882 {0xb80d17b0, 0x00000032, 0x00000346, 0x22a5bb88, 0x9a7ec89f}, 883 0x74f6b6b2},
883 {0xdaf0592e, 0x00000023, 0x000007b0, 0x3cab3f99, 0x9b1fdd99}, 884 {0x6406cfeb, 0x00000023, 0x00000600, 0xa920b8e8, 0xe4e2acf4,
884 {0x4793cc85, 0x0000000d, 0x00000706, 0xe82e04f6, 0xed3db6b7}, 885 0x085951fd},
885 {0x82ebf64e, 0x00000009, 0x000007c3, 0x69d590a9, 0x9efa8499}, 886 {0xb24aaa38, 0x0000003e, 0x000004a1, 0x657cc328, 0x5077b2c3,
886 {0xb18a0319, 0x00000026, 0x000007db, 0x1cf98dcc, 0x8fa9ad6a}, 887 0xc65387eb},
888 {0x58b2ab7c, 0x00000039, 0x000002b4, 0x3a17ee7e, 0x9dcb3643,
889 0x1ca9257b},
890 {0x3db85970, 0x00000006, 0x000002b6, 0x95268b59, 0xb9812c10,
891 0xfd196d76},
892 {0x857830c5, 0x00000003, 0x00000590, 0x4ef439d5, 0xf042161d,
893 0x5ef88339},
894 {0xe1fcd978, 0x0000003e, 0x000007d8, 0xae8d8699, 0xce0a1ef5,
895 0x2c3714d9},
896 {0xb982a768, 0x00000016, 0x000006e0, 0x62fad3df, 0x5f8a067b,
897 0x58576548},
898 {0x1d581ce8, 0x0000001e, 0x0000058b, 0xf0f5da53, 0x26e39eee,
899 0xfd7c57de},
900 {0x2456719b, 0x00000025, 0x00000503, 0x4296ac64, 0xd50e4c14,
901 0xd5fedd59},
902 {0xfae6d8f2, 0x00000000, 0x0000055d, 0x057fdf2e, 0x2a31391a,
903 0x1cc3b17b},
904 {0xcba828e3, 0x00000039, 0x000002ce, 0xe3f22351, 0x8f00877b,
905 0x270eed73},
906 {0x13d25952, 0x0000000a, 0x0000072d, 0x76d4b4cc, 0x5eb67ec3,
907 0x91ecbb11},
908 {0x0342be3f, 0x00000015, 0x00000599, 0xec75d9f1, 0x9d4d2826,
909 0x05ed8d0c},
910 {0xeaa344e0, 0x00000014, 0x000004d8, 0x72a4c981, 0x2064ea06,
911 0x0b09ad5b},
912 {0xbbb52021, 0x0000003b, 0x00000272, 0x04af99fc, 0xaf042d35,
913 0xf8d511fb},
914 {0xb66384dc, 0x0000001d, 0x000007fc, 0xd7629116, 0x782bd801,
915 0x5ad832cc},
916 {0x616c01b6, 0x00000022, 0x000002c8, 0x5b1dab30, 0x783ce7d2,
917 0x1214d196},
918 {0xce2bdaad, 0x00000016, 0x0000062a, 0x932535c8, 0x3f02926d,
919 0x5747218a},
920 {0x00fe84d7, 0x00000005, 0x00000205, 0x850e50aa, 0x753d649c,
921 0xde8f14de},
922 {0xbebdcb4c, 0x00000006, 0x0000055d, 0xbeaa37a2, 0x2d8c9eba,
923 0x3563b7b9},
924 {0xd8b1a02a, 0x00000010, 0x00000387, 0x5017d2fc, 0x503541a5,
925 0x071475d0},
926 {0x3b96cad2, 0x00000036, 0x00000347, 0x1d2372ae, 0x926cd90b,
927 0x54c79d60},
928 {0xc94c1ed7, 0x00000005, 0x0000038b, 0x9e9fdb22, 0x144a9178,
929 0x4c53eee6},
930 {0x1aad454e, 0x00000025, 0x000002b2, 0xc3f6315c, 0x5c7a35b3,
931 0x10137a3c},
932 {0xa4fec9a6, 0x00000000, 0x000006d6, 0x90be5080, 0xa4107605,
933 0xaa9d6c73},
934 {0x1bbe71e2, 0x0000001f, 0x000002fd, 0x4e504c3b, 0x284ccaf1,
935 0xb63d23e7},
936 {0x4201c7e4, 0x00000002, 0x000002b7, 0x7822e3f9, 0x0cc912a9,
937 0x7f53e9cf},
938 {0x23fddc96, 0x00000003, 0x00000627, 0x8a385125, 0x07767e78,
939 0x13c1cd83},
940 {0xd82ba25c, 0x00000016, 0x0000063e, 0x98e4148a, 0x283330c9,
941 0x49ff5867},
942 {0x786f2032, 0x0000002d, 0x0000060f, 0xf201600a, 0xf561bfcd,
943 0x8467f211},
944 {0xfebe4e1f, 0x0000002a, 0x000004f2, 0x95e51961, 0xfd80dcab,
945 0x3f9683b2},
946 {0x1a6e0a39, 0x00000008, 0x00000672, 0x8af6c2a5, 0x78dd84cb,
947 0x76a3f874},
948 {0x56000ab8, 0x0000000e, 0x000000e5, 0x36bacb8f, 0x22ee1f77,
949 0x863b702f},
950 {0x4717fe0c, 0x00000000, 0x000006ec, 0x8439f342, 0x5c8e03da,
951 0xdc6c58ff},
952 {0xd5d5d68e, 0x0000003c, 0x000003a3, 0x46fff083, 0x177d1b39,
953 0x0622cc95},
954 {0xc25dd6c6, 0x00000024, 0x000006c0, 0x5ceb8eb4, 0x892b0d16,
955 0xe85605cd},
956 {0xe9b11300, 0x00000023, 0x00000683, 0x07a5d59a, 0x6c6a3208,
957 0x31da5f06},
958 {0x95cd285e, 0x00000001, 0x00000047, 0x7b3a4368, 0x0202c07e,
959 0xa1f2e784},
960 {0xd9245a25, 0x0000001e, 0x000003a6, 0xd33c1841, 0x1936c0d5,
961 0xb07cc616},
962 {0x103279db, 0x00000006, 0x0000039b, 0xca09b8a0, 0x77d62892,
963 0xbf943b6c},
964 {0x1cba3172, 0x00000027, 0x000001c8, 0xcb377194, 0xebe682db,
965 0x2c01af1c},
966 {0x8f613739, 0x0000000c, 0x000001df, 0xb4b0bc87, 0x7710bd43,
967 0x0fe5f56d},
968 {0x1c6aa90d, 0x0000001b, 0x0000053c, 0x70559245, 0xda7894ac,
969 0xf8943b2d},
970 {0xaabe5b93, 0x0000003d, 0x00000715, 0xcdbf42fa, 0x0c3b99e7,
971 0xe4d89272},
972 {0xf15dd038, 0x00000006, 0x000006db, 0x6e104aea, 0x8d5967f2,
973 0x7c2f6bbb},
974 {0x584dd49c, 0x00000020, 0x000007bc, 0x36b6cfd6, 0xad4e23b2,
975 0xabbf388b},
976 {0x5d8c9506, 0x00000020, 0x00000470, 0x4c62378e, 0x31d92640,
977 0x1dca1f4e},
978 {0xb80d17b0, 0x00000032, 0x00000346, 0x22a5bb88, 0x9a7ec89f,
979 0x5c170e23},
980 {0xdaf0592e, 0x00000023, 0x000007b0, 0x3cab3f99, 0x9b1fdd99,
981 0xc0e9d672},
982 {0x4793cc85, 0x0000000d, 0x00000706, 0xe82e04f6, 0xed3db6b7,
983 0xc18bdc86},
984 {0x82ebf64e, 0x00000009, 0x000007c3, 0x69d590a9, 0x9efa8499,
985 0xa874fcdd},
986 {0xb18a0319, 0x00000026, 0x000007db, 0x1cf98dcc, 0x8fa9ad6a,
987 0x9dc0bb48},
887}; 988};
888 989
889#include <linux/time.h> 990#include <linux/time.h>
890 991
891static int __init crc32_init(void) 992static int __init crc32c_test(void)
993{
994 int i;
995 int errors = 0;
996 int bytes = 0;
997 struct timespec start, stop;
998 u64 nsec;
999 unsigned long flags;
1000
1001 /* keep static to prevent cache warming code from
1002 * getting eliminated by the compiler */
1003 static u32 crc;
1004
1005 /* pre-warm the cache */
1006 for (i = 0; i < 100; i++) {
1007 bytes += 2*test[i].length;
1008
1009 crc ^= __crc32c_le(test[i].crc, test_buf +
1010 test[i].start, test[i].length);
1011 }
1012
1013 /* reduce OS noise */
1014 local_irq_save(flags);
1015 local_irq_disable();
1016
1017 getnstimeofday(&start);
1018 for (i = 0; i < 100; i++) {
1019 if (test[i].crc32c_le != __crc32c_le(test[i].crc, test_buf +
1020 test[i].start, test[i].length))
1021 errors++;
1022 }
1023 getnstimeofday(&stop);
1024
1025 local_irq_restore(flags);
1026 local_irq_enable();
1027
1028 nsec = stop.tv_nsec - start.tv_nsec +
1029 1000000000 * (stop.tv_sec - start.tv_sec);
1030
1031 pr_info("crc32c: CRC_LE_BITS = %d\n", CRC_LE_BITS);
1032
1033 if (errors)
1034 pr_warn("crc32c: %d self tests failed\n", errors);
1035 else {
1036 pr_info("crc32c: self tests passed, processed %d bytes in %lld nsec\n",
1037 bytes, nsec);
1038 }
1039
1040 return 0;
1041}
1042
1043static int __init crc32_test(void)
892{ 1044{
893 int i; 1045 int i;
894 int errors = 0; 1046 int errors = 0;
@@ -947,10 +1099,17 @@ static int __init crc32_init(void)
947 return 0; 1099 return 0;
948} 1100}
949 1101
1102static int __init crc32test_init(void)
1103{
1104 crc32_test();
1105 crc32c_test();
1106 return 0;
1107}
1108
950static void __exit crc32_exit(void) 1109static void __exit crc32_exit(void)
951{ 1110{
952} 1111}
953 1112
954module_init(crc32_init); 1113module_init(crc32test_init);
955module_exit(crc32_exit); 1114module_exit(crc32_exit);
956#endif /* CONFIG_CRC32_SELFTEST */ 1115#endif /* CONFIG_CRC32_SELFTEST */