Line data    Source code

       1             : /*   SPDX-License-Identifier: BSD-3-Clause
       2             :  *   Copyright (C) 2023 Intel Corporation.
       3             :  *   All rights reserved.
       4             :  */
       5             : 
       6             : #include "crc_internal.h"
       7             : #include "spdk/crc64.h"
       8             : 
       9             : #ifdef SPDK_CONFIG_ISAL
      10             : #include "isa-l/include/crc64.h"
      11             : 
      12             : uint64_t
      13        1523 : spdk_crc64_nvme(const void *buf, size_t len, uint64_t crc)
      14             : {
      15        1523 :         return crc64_rocksoft_refl(crc, (const uint8_t *)buf, len);
      16             : }
      17             : 
      18             : #else
      19             : 
      20             : static const uint64_t crc64_rocksoft_refl_table[256] = {
      21             :         0x0000000000000000ULL, 0x7f6ef0c830358979ULL,
      22             :         0xfedde190606b12f2ULL, 0x81b31158505e9b8bULL,
      23             :         0xc962e5739841b68fULL, 0xb60c15bba8743ff6ULL,
      24             :         0x37bf04e3f82aa47dULL, 0x48d1f42bc81f2d04ULL,
      25             :         0xa61cecb46814fe75ULL, 0xd9721c7c5821770cULL,
      26             :         0x58c10d24087fec87ULL, 0x27affdec384a65feULL,
      27             :         0x6f7e09c7f05548faULL, 0x1010f90fc060c183ULL,
      28             :         0x91a3e857903e5a08ULL, 0xeecd189fa00bd371ULL,
      29             :         0x78e0ff3b88be6f81ULL, 0x078e0ff3b88be6f8ULL,
      30             :         0x863d1eabe8d57d73ULL, 0xf953ee63d8e0f40aULL,
      31             :         0xb1821a4810ffd90eULL, 0xceecea8020ca5077ULL,
      32             :         0x4f5ffbd87094cbfcULL, 0x30310b1040a14285ULL,
      33             :         0xdefc138fe0aa91f4ULL, 0xa192e347d09f188dULL,
      34             :         0x2021f21f80c18306ULL, 0x5f4f02d7b0f40a7fULL,
      35             :         0x179ef6fc78eb277bULL, 0x68f0063448deae02ULL,
      36             :         0xe943176c18803589ULL, 0x962de7a428b5bcf0ULL,
      37             :         0xf1c1fe77117cdf02ULL, 0x8eaf0ebf2149567bULL,
      38             :         0x0f1c1fe77117cdf0ULL, 0x7072ef2f41224489ULL,
      39             :         0x38a31b04893d698dULL, 0x47cdebccb908e0f4ULL,
      40             :         0xc67efa94e9567b7fULL, 0xb9100a5cd963f206ULL,
      41             :         0x57dd12c379682177ULL, 0x28b3e20b495da80eULL,
      42             :         0xa900f35319033385ULL, 0xd66e039b2936bafcULL,
      43             :         0x9ebff7b0e12997f8ULL, 0xe1d10778d11c1e81ULL,
      44             :         0x606216208142850aULL, 0x1f0ce6e8b1770c73ULL,
      45             :         0x8921014c99c2b083ULL, 0xf64ff184a9f739faULL,
      46             :         0x77fce0dcf9a9a271ULL, 0x08921014c99c2b08ULL,
      47             :         0x4043e43f0183060cULL, 0x3f2d14f731b68f75ULL,
      48             :         0xbe9e05af61e814feULL, 0xc1f0f56751dd9d87ULL,
      49             :         0x2f3dedf8f1d64ef6ULL, 0x50531d30c1e3c78fULL,
      50             :         0xd1e00c6891bd5c04ULL, 0xae8efca0a188d57dULL,
      51             :         0xe65f088b6997f879ULL, 0x9931f84359a27100ULL,
      52             :         0x1882e91b09fcea8bULL, 0x67ec19d339c963f2ULL,
      53             :         0xd75adabd7a6e2d6fULL, 0xa8342a754a5ba416ULL,
      54             :         0x29873b2d1a053f9dULL, 0x56e9cbe52a30b6e4ULL,
      55             :         0x1e383fcee22f9be0ULL, 0x6156cf06d21a1299ULL,
      56             :         0xe0e5de5e82448912ULL, 0x9f8b2e96b271006bULL,
      57             :         0x71463609127ad31aULL, 0x0e28c6c1224f5a63ULL,
      58             :         0x8f9bd7997211c1e8ULL, 0xf0f5275142244891ULL,
      59             :         0xb824d37a8a3b6595ULL, 0xc74a23b2ba0eececULL,
      60             :         0x46f932eaea507767ULL, 0x3997c222da65fe1eULL,
      61             :         0xafba2586f2d042eeULL, 0xd0d4d54ec2e5cb97ULL,
      62             :         0x5167c41692bb501cULL, 0x2e0934dea28ed965ULL,
      63             :         0x66d8c0f56a91f461ULL, 0x19b6303d5aa47d18ULL,
      64             :         0x980521650afae693ULL, 0xe76bd1ad3acf6feaULL,
      65             :         0x09a6c9329ac4bc9bULL, 0x76c839faaaf135e2ULL,
      66             :         0xf77b28a2faafae69ULL, 0x8815d86aca9a2710ULL,
      67             :         0xc0c42c4102850a14ULL, 0xbfaadc8932b0836dULL,
      68             :         0x3e19cdd162ee18e6ULL, 0x41773d1952db919fULL,
      69             :         0x269b24ca6b12f26dULL, 0x59f5d4025b277b14ULL,
      70             :         0xd846c55a0b79e09fULL, 0xa72835923b4c69e6ULL,
      71             :         0xeff9c1b9f35344e2ULL, 0x90973171c366cd9bULL,
      72             :         0x1124202993385610ULL, 0x6e4ad0e1a30ddf69ULL,
      73             :         0x8087c87e03060c18ULL, 0xffe938b633338561ULL,
      74             :         0x7e5a29ee636d1eeaULL, 0x0134d92653589793ULL,
      75             :         0x49e52d0d9b47ba97ULL, 0x368bddc5ab7233eeULL,
      76             :         0xb738cc9dfb2ca865ULL, 0xc8563c55cb19211cULL,
      77             :         0x5e7bdbf1e3ac9decULL, 0x21152b39d3991495ULL,
      78             :         0xa0a63a6183c78f1eULL, 0xdfc8caa9b3f20667ULL,
      79             :         0x97193e827bed2b63ULL, 0xe877ce4a4bd8a21aULL,
      80             :         0x69c4df121b863991ULL, 0x16aa2fda2bb3b0e8ULL,
      81             :         0xf86737458bb86399ULL, 0x8709c78dbb8deae0ULL,
      82             :         0x06bad6d5ebd3716bULL, 0x79d4261ddbe6f812ULL,
      83             :         0x3105d23613f9d516ULL, 0x4e6b22fe23cc5c6fULL,
      84             :         0xcfd833a67392c7e4ULL, 0xb0b6c36e43a74e9dULL,
      85             :         0x9a6c9329ac4bc9b5ULL, 0xe50263e19c7e40ccULL,
      86             :         0x64b172b9cc20db47ULL, 0x1bdf8271fc15523eULL,
      87             :         0x530e765a340a7f3aULL, 0x2c608692043ff643ULL,
      88             :         0xadd397ca54616dc8ULL, 0xd2bd67026454e4b1ULL,
      89             :         0x3c707f9dc45f37c0ULL, 0x431e8f55f46abeb9ULL,
      90             :         0xc2ad9e0da4342532ULL, 0xbdc36ec59401ac4bULL,
      91             :         0xf5129aee5c1e814fULL, 0x8a7c6a266c2b0836ULL,
      92             :         0x0bcf7b7e3c7593bdULL, 0x74a18bb60c401ac4ULL,
      93             :         0xe28c6c1224f5a634ULL, 0x9de29cda14c02f4dULL,
      94             :         0x1c518d82449eb4c6ULL, 0x633f7d4a74ab3dbfULL,
      95             :         0x2bee8961bcb410bbULL, 0x548079a98c8199c2ULL,
      96             :         0xd53368f1dcdf0249ULL, 0xaa5d9839ecea8b30ULL,
      97             :         0x449080a64ce15841ULL, 0x3bfe706e7cd4d138ULL,
      98             :         0xba4d61362c8a4ab3ULL, 0xc52391fe1cbfc3caULL,
      99             :         0x8df265d5d4a0eeceULL, 0xf29c951de49567b7ULL,
     100             :         0x732f8445b4cbfc3cULL, 0x0c41748d84fe7545ULL,
     101             :         0x6bad6d5ebd3716b7ULL, 0x14c39d968d029fceULL,
     102             :         0x95708ccedd5c0445ULL, 0xea1e7c06ed698d3cULL,
     103             :         0xa2cf882d2576a038ULL, 0xdda178e515432941ULL,
     104             :         0x5c1269bd451db2caULL, 0x237c997575283bb3ULL,
     105             :         0xcdb181ead523e8c2ULL, 0xb2df7122e51661bbULL,
     106             :         0x336c607ab548fa30ULL, 0x4c0290b2857d7349ULL,
     107             :         0x04d364994d625e4dULL, 0x7bbd94517d57d734ULL,
     108             :         0xfa0e85092d094cbfULL, 0x856075c11d3cc5c6ULL,
     109             :         0x134d926535897936ULL, 0x6c2362ad05bcf04fULL,
     110             :         0xed9073f555e26bc4ULL, 0x92fe833d65d7e2bdULL,
     111             :         0xda2f7716adc8cfb9ULL, 0xa54187de9dfd46c0ULL,
     112             :         0x24f29686cda3dd4bULL, 0x5b9c664efd965432ULL,
     113             :         0xb5517ed15d9d8743ULL, 0xca3f8e196da80e3aULL,
     114             :         0x4b8c9f413df695b1ULL, 0x34e26f890dc31cc8ULL,
     115             :         0x7c339ba2c5dc31ccULL, 0x035d6b6af5e9b8b5ULL,
     116             :         0x82ee7a32a5b7233eULL, 0xfd808afa9582aa47ULL,
     117             :         0x4d364994d625e4daULL, 0x3258b95ce6106da3ULL,
     118             :         0xb3eba804b64ef628ULL, 0xcc8558cc867b7f51ULL,
     119             :         0x8454ace74e645255ULL, 0xfb3a5c2f7e51db2cULL,
     120             :         0x7a894d772e0f40a7ULL, 0x05e7bdbf1e3ac9deULL,
     121             :         0xeb2aa520be311aafULL, 0x944455e88e0493d6ULL,
     122             :         0x15f744b0de5a085dULL, 0x6a99b478ee6f8124ULL,
     123             :         0x224840532670ac20ULL, 0x5d26b09b16452559ULL,
     124             :         0xdc95a1c3461bbed2ULL, 0xa3fb510b762e37abULL,
     125             :         0x35d6b6af5e9b8b5bULL, 0x4ab846676eae0222ULL,
     126             :         0xcb0b573f3ef099a9ULL, 0xb465a7f70ec510d0ULL,
     127             :         0xfcb453dcc6da3dd4ULL, 0x83daa314f6efb4adULL,
     128             :         0x0269b24ca6b12f26ULL, 0x7d0742849684a65fULL,
     129             :         0x93ca5a1b368f752eULL, 0xeca4aad306bafc57ULL,
     130             :         0x6d17bb8b56e467dcULL, 0x12794b4366d1eea5ULL,
     131             :         0x5aa8bf68aecec3a1ULL, 0x25c64fa09efb4ad8ULL,
     132             :         0xa4755ef8cea5d153ULL, 0xdb1bae30fe90582aULL,
     133             :         0xbcf7b7e3c7593bd8ULL, 0xc399472bf76cb2a1ULL,
     134             :         0x422a5673a732292aULL, 0x3d44a6bb9707a053ULL,
     135             :         0x759552905f188d57ULL, 0x0afba2586f2d042eULL,
     136             :         0x8b48b3003f739fa5ULL, 0xf42643c80f4616dcULL,
     137             :         0x1aeb5b57af4dc5adULL, 0x6585ab9f9f784cd4ULL,
     138             :         0xe436bac7cf26d75fULL, 0x9b584a0fff135e26ULL,
     139             :         0xd389be24370c7322ULL, 0xace74eec0739fa5bULL,
     140             :         0x2d545fb4576761d0ULL, 0x523aaf7c6752e8a9ULL,
     141             :         0xc41748d84fe75459ULL, 0xbb79b8107fd2dd20ULL,
     142             :         0x3acaa9482f8c46abULL, 0x45a459801fb9cfd2ULL,
     143             :         0x0d75adabd7a6e2d6ULL, 0x721b5d63e7936bafULL,
     144             :         0xf3a84c3bb7cdf024ULL, 0x8cc6bcf387f8795dULL,
     145             :         0x620ba46c27f3aa2cULL, 0x1d6554a417c62355ULL,
     146             :         0x9cd645fc4798b8deULL, 0xe3b8b53477ad31a7ULL,
     147             :         0xab69411fbfb21ca3ULL, 0xd407b1d78f8795daULL,
     148             :         0x55b4a08fdfd90e51ULL, 0x2ada5047efec8728ULL
     149             : };
     150             : 
     151             : static inline uint64_t
     152             : crc64_rocksoft_refl_base(uint64_t seed, const uint8_t *buf, uint64_t len)
     153             : {
     154             :         uint64_t i, crc = ~seed;
     155             : 
     156             :         for (i = 0; i < len; i++) {
     157             :                 uint8_t byte = buf[i];
     158             :                 crc = crc64_rocksoft_refl_table[(uint8_t) crc ^ byte] ^ (crc >> 8);
     159             :         }
     160             : 
     161             :         return ~crc;
     162             : }
     163             : 
     164             : uint64_t
     165             : spdk_crc64_nvme(const void *buf, size_t len, uint64_t crc)
     166             : {
     167             :         return crc64_rocksoft_refl_base(crc, (const uint8_t *)buf, len);
     168             : }
     169             : #endif