verify.c revision ae38c0dcd570265aef09aa132ce27278d8909a1d
1e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe/* 2e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe * IO verification helpers 3e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe */ 4e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe#include <unistd.h> 5e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe#include <fcntl.h> 6e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe#include <string.h> 797af62cec418cd722fb43c6010d6430534e12353Jens Axboe#include <assert.h> 8e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe#include <pthread.h> 979402a12eecf371238f2326c9e8850eedd269b7fJens Axboe#include <libgen.h> 10e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe 11e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe#include "fio.h" 124f5af7b2370a6d3e64bc5128905c1aa8b0dc51b0Jens Axboe#include "verify.h" 13e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe#include "smalloc.h" 140d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe#include "trim.h" 15637ef8d9f7645135cf4829894d1e3983cd7a042eJens Axboe#include "lib/rand.h" 16e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe 17eef6eea1b935a67f1ae26b38e06a69d4410a12aaJens Axboe#include "crc/md5.h" 18eef6eea1b935a67f1ae26b38e06a69d4410a12aaJens Axboe#include "crc/crc64.h" 19eef6eea1b935a67f1ae26b38e06a69d4410a12aaJens Axboe#include "crc/crc32.h" 20bac39e0e8807a1d52863ad8304e67221df2bc63bJens Axboe#include "crc/crc32c.h" 21eef6eea1b935a67f1ae26b38e06a69d4410a12aaJens Axboe#include "crc/crc16.h" 22eef6eea1b935a67f1ae26b38e06a69d4410a12aaJens Axboe#include "crc/crc7.h" 23eef6eea1b935a67f1ae26b38e06a69d4410a12aaJens Axboe#include "crc/sha256.h" 24eef6eea1b935a67f1ae26b38e06a69d4410a12aaJens Axboe#include "crc/sha512.h" 257c353ceb3257b132f4c98326046b42201e070731Jens Axboe#include "crc/sha1.h" 26cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe 277d9fb455aadc0c0363489591775496f27f4a560aJens Axboestatic void populate_hdr(struct thread_data *td, struct io_u *io_u, 287d9fb455aadc0c0363489591775496f27f4a560aJens Axboe struct verify_header *hdr, unsigned int header_num, 297d9fb455aadc0c0363489591775496f27f4a560aJens Axboe unsigned int header_len); 307d9fb455aadc0c0363489591775496f27f4a560aJens Axboe 317d9fb455aadc0c0363489591775496f27f4a560aJens Axboevoid fill_pattern(struct thread_data *td, void *p, unsigned int len, struct io_u *io_u, unsigned long seed, int use_seed) 3290059d65bde4804e4da07401ad6902c1d956b592Jens Axboe{ 3390059d65bde4804e4da07401ad6902c1d956b592Jens Axboe switch (td->o.verify_pattern_bytes) { 3490059d65bde4804e4da07401ad6902c1d956b592Jens Axboe case 0: 35bd6f78b2f0b6375383948f126368804612ec0035Jens Axboe dprint(FD_VERIFY, "fill random bytes len=%u\n", len); 367d9fb455aadc0c0363489591775496f27f4a560aJens Axboe if (use_seed) 377d9fb455aadc0c0363489591775496f27f4a560aJens Axboe __fill_random_buf(p, len, seed); 387d9fb455aadc0c0363489591775496f27f4a560aJens Axboe else 393545a109a2cfe5ab22969ef453dc049db47f0b68Jens Axboe io_u->rand_seed = fill_random_buf(&td->buf_state, p, len); 4090059d65bde4804e4da07401ad6902c1d956b592Jens Axboe break; 4190059d65bde4804e4da07401ad6902c1d956b592Jens Axboe case 1: 4210e8a7b30ce2917df9f839d42596c7e3af9a904fRadha Ramachandran if (io_u->buf_filled_len >= len) { 43cbe8d7561cf6d81d741d87eb7940db2a111d2144Radha Ramachandran dprint(FD_VERIFY, "using already filled verify pattern b=0 len=%u\n", len); 44cbe8d7561cf6d81d741d87eb7940db2a111d2144Radha Ramachandran return; 45cbe8d7561cf6d81d741d87eb7940db2a111d2144Radha Ramachandran } 46bd6f78b2f0b6375383948f126368804612ec0035Jens Axboe dprint(FD_VERIFY, "fill verify pattern b=0 len=%u\n", len); 470e92f873a3d542d2b237d68fd9391c92a85fa0b8Radha Ramachandran memset(p, td->o.verify_pattern[0], len); 48cbe8d7561cf6d81d741d87eb7940db2a111d2144Radha Ramachandran io_u->buf_filled_len = len; 4990059d65bde4804e4da07401ad6902c1d956b592Jens Axboe break; 500e92f873a3d542d2b237d68fd9391c92a85fa0b8Radha Ramachandran default: { 510e92f873a3d542d2b237d68fd9391c92a85fa0b8Radha Ramachandran unsigned int i = 0, size = 0; 5290059d65bde4804e4da07401ad6902c1d956b592Jens Axboe unsigned char *b = p; 5390059d65bde4804e4da07401ad6902c1d956b592Jens Axboe 5410e8a7b30ce2917df9f839d42596c7e3af9a904fRadha Ramachandran if (io_u->buf_filled_len >= len) { 55cbe8d7561cf6d81d741d87eb7940db2a111d2144Radha Ramachandran dprint(FD_VERIFY, "using already filled verify pattern b=%d len=%u\n", 56cbe8d7561cf6d81d741d87eb7940db2a111d2144Radha Ramachandran td->o.verify_pattern_bytes, len); 57cbe8d7561cf6d81d741d87eb7940db2a111d2144Radha Ramachandran return; 58cbe8d7561cf6d81d741d87eb7940db2a111d2144Radha Ramachandran } 5981f0366c7adcd5d70de5c1b144eafd366933f78eJens Axboe 60bd6f78b2f0b6375383948f126368804612ec0035Jens Axboe dprint(FD_VERIFY, "fill verify pattern b=%d len=%u\n", 61bd6f78b2f0b6375383948f126368804612ec0035Jens Axboe td->o.verify_pattern_bytes, len); 62bd6f78b2f0b6375383948f126368804612ec0035Jens Axboe 6390059d65bde4804e4da07401ad6902c1d956b592Jens Axboe while (i < len) { 640e92f873a3d542d2b237d68fd9391c92a85fa0b8Radha Ramachandran size = td->o.verify_pattern_bytes; 650e92f873a3d542d2b237d68fd9391c92a85fa0b8Radha Ramachandran if (size > (len - i)) 660e92f873a3d542d2b237d68fd9391c92a85fa0b8Radha Ramachandran size = len - i; 670e92f873a3d542d2b237d68fd9391c92a85fa0b8Radha Ramachandran memcpy(b+i, td->o.verify_pattern, size); 680e92f873a3d542d2b237d68fd9391c92a85fa0b8Radha Ramachandran i += size; 6990059d65bde4804e4da07401ad6902c1d956b592Jens Axboe } 70cbe8d7561cf6d81d741d87eb7940db2a111d2144Radha Ramachandran io_u->buf_filled_len = len; 7190059d65bde4804e4da07401ad6902c1d956b592Jens Axboe break; 7290059d65bde4804e4da07401ad6902c1d956b592Jens Axboe } 7390059d65bde4804e4da07401ad6902c1d956b592Jens Axboe } 7490059d65bde4804e4da07401ad6902c1d956b592Jens Axboe} 7590059d65bde4804e4da07401ad6902c1d956b592Jens Axboe 76cfbcd0dc2fcbf0f9bfe92ff8f4ab17f21e46d21eJens Axboestatic unsigned int get_hdr_inc(struct thread_data *td, struct io_u *io_u) 77cfbcd0dc2fcbf0f9bfe92ff8f4ab17f21e46d21eJens Axboe{ 78cfbcd0dc2fcbf0f9bfe92ff8f4ab17f21e46d21eJens Axboe unsigned int hdr_inc; 79cfbcd0dc2fcbf0f9bfe92ff8f4ab17f21e46d21eJens Axboe 80cfbcd0dc2fcbf0f9bfe92ff8f4ab17f21e46d21eJens Axboe hdr_inc = io_u->buflen; 81cfbcd0dc2fcbf0f9bfe92ff8f4ab17f21e46d21eJens Axboe if (td->o.verify_interval) 82cfbcd0dc2fcbf0f9bfe92ff8f4ab17f21e46d21eJens Axboe hdr_inc = td->o.verify_interval; 83cfbcd0dc2fcbf0f9bfe92ff8f4ab17f21e46d21eJens Axboe 84cfbcd0dc2fcbf0f9bfe92ff8f4ab17f21e46d21eJens Axboe return hdr_inc; 85cfbcd0dc2fcbf0f9bfe92ff8f4ab17f21e46d21eJens Axboe} 86cfbcd0dc2fcbf0f9bfe92ff8f4ab17f21e46d21eJens Axboe 87c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboestatic void fill_pattern_headers(struct thread_data *td, struct io_u *io_u, 88c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe unsigned long seed, int use_seed) 89c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe{ 90c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe unsigned int hdr_inc, header_num; 91c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe struct verify_header *hdr; 92c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe void *p = io_u->buf; 93c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe 94c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe fill_pattern(td, p, io_u->buflen, io_u, seed, use_seed); 95c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe 96cfbcd0dc2fcbf0f9bfe92ff8f4ab17f21e46d21eJens Axboe hdr_inc = get_hdr_inc(td, io_u); 97c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe header_num = 0; 98c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe for (; p < io_u->buf + io_u->buflen; p += hdr_inc) { 99c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe hdr = p; 100c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe populate_hdr(td, io_u, hdr, header_num, hdr_inc); 101c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe header_num++; 102c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe } 103c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe} 104c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe 1054764aec9fe5988281bdc114c13ac771fb16713ccJens Axboestatic void memswp(void *buf1, void *buf2, unsigned int len) 106546a9142511875524850ac92776184fd9fb7196eShawn Lewis{ 107dee6de74152299f2a7df07ae971a53441b971dafShawn Lewis char swap[200]; 108dee6de74152299f2a7df07ae971a53441b971dafShawn Lewis 109dee6de74152299f2a7df07ae971a53441b971dafShawn Lewis assert(len <= sizeof(swap)); 11090059d65bde4804e4da07401ad6902c1d956b592Jens Axboe 111546a9142511875524850ac92776184fd9fb7196eShawn Lewis memcpy(&swap, buf1, len); 112546a9142511875524850ac92776184fd9fb7196eShawn Lewis memcpy(buf1, buf2, len); 113546a9142511875524850ac92776184fd9fb7196eShawn Lewis memcpy(buf2, &swap, len); 114546a9142511875524850ac92776184fd9fb7196eShawn Lewis} 115546a9142511875524850ac92776184fd9fb7196eShawn Lewis 116e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboestatic void hexdump(void *buffer, int len) 117e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe{ 118e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe unsigned char *p = buffer; 119e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe int i; 120e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe 121e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe for (i = 0; i < len; i++) 122bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe log_err("%02x", p[i]); 123bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe log_err("\n"); 124e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe} 125e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe 126d9f2caf3de3f2ba6f8ecd8a2688e1eb7715bc2aaJens Axboe/* 1278767783245faac99a7e1c330a1d6536e579c8402Jens Axboe * Prepare for seperation of verify_header and checksum header 1288767783245faac99a7e1c330a1d6536e579c8402Jens Axboe */ 129546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboestatic inline unsigned int __hdr_size(int verify_type) 1308767783245faac99a7e1c330a1d6536e579c8402Jens Axboe{ 13103e20d687566753b90383571e5e152c5142bdffdBruce Cran unsigned int len = 0; 1328767783245faac99a7e1c330a1d6536e579c8402Jens Axboe 133546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe switch (verify_type) { 134546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe case VERIFY_NONE: 135546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe case VERIFY_NULL: 136546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe len = 0; 137546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe break; 138546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe case VERIFY_MD5: 139546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe len = sizeof(struct vhdr_md5); 140546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe break; 141546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe case VERIFY_CRC64: 142546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe len = sizeof(struct vhdr_crc64); 143546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe break; 144bac39e0e8807a1d52863ad8304e67221df2bc63bJens Axboe case VERIFY_CRC32C: 145546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe case VERIFY_CRC32: 1463845591fadea480177223e28c9d1c03642d34f0eJens Axboe case VERIFY_CRC32C_INTEL: 147546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe len = sizeof(struct vhdr_crc32); 148546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe break; 149546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe case VERIFY_CRC16: 150546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe len = sizeof(struct vhdr_crc16); 151546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe break; 152546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe case VERIFY_CRC7: 153546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe len = sizeof(struct vhdr_crc7); 154546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe break; 155546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe case VERIFY_SHA256: 156546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe len = sizeof(struct vhdr_sha256); 157546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe break; 158546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe case VERIFY_SHA512: 159546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe len = sizeof(struct vhdr_sha512); 160546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe break; 1617437ee87e4f6457168e8440f9308b4296ddb9263Shawn Lewis case VERIFY_META: 1627437ee87e4f6457168e8440f9308b4296ddb9263Shawn Lewis len = sizeof(struct vhdr_meta); 1637437ee87e4f6457168e8440f9308b4296ddb9263Shawn Lewis break; 1647c353ceb3257b132f4c98326046b42201e070731Jens Axboe case VERIFY_SHA1: 1657c353ceb3257b132f4c98326046b42201e070731Jens Axboe len = sizeof(struct vhdr_sha1); 1667c353ceb3257b132f4c98326046b42201e070731Jens Axboe break; 16792bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe case VERIFY_PATTERN: 16892bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe len = 0; 16992bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe break; 170546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe default: 171546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe log_err("fio: unknown verify header!\n"); 172546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe assert(0); 173546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe } 174546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe 175546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe return len + sizeof(struct verify_header); 1768767783245faac99a7e1c330a1d6536e579c8402Jens Axboe} 1778767783245faac99a7e1c330a1d6536e579c8402Jens Axboe 1788767783245faac99a7e1c330a1d6536e579c8402Jens Axboestatic inline unsigned int hdr_size(struct verify_header *hdr) 1798767783245faac99a7e1c330a1d6536e579c8402Jens Axboe{ 180546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe return __hdr_size(hdr->verify_type); 181546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe} 182546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe 183546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboestatic void *hdr_priv(struct verify_header *hdr) 184546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe{ 185546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe void *priv = hdr; 186546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe 187546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe return priv + sizeof(struct verify_header); 1888767783245faac99a7e1c330a1d6536e579c8402Jens Axboe} 1898767783245faac99a7e1c330a1d6536e579c8402Jens Axboe 1908767783245faac99a7e1c330a1d6536e579c8402Jens Axboe/* 191936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe * Verify container, pass info to verify handlers and allow them to 192936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe * pass info back in case of error 193936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe */ 194936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboestruct vcont { 195936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe /* 196936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe * Input 197936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe */ 198936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe struct io_u *io_u; 199936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe unsigned int hdr_num; 2007d9fb455aadc0c0363489591775496f27f4a560aJens Axboe struct thread_data *td; 201936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe 202936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe /* 203936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe * Output, only valid in case of error 204936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe */ 205bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe const char *name; 206bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe void *good_crc; 207bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe void *bad_crc; 208936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe unsigned int crc_len; 209936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe}; 210936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe 211c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboestatic void dump_buf(char *buf, unsigned int len, unsigned long long offset, 212c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe const char *type, struct fio_file *f) 2137d9fb455aadc0c0363489591775496f27f4a560aJens Axboe{ 2146f260b317f4cec3027f79b8b329dd3f98c3906acJens Axboe char *ptr, fname[256]; 2157d9fb455aadc0c0363489591775496f27f4a560aJens Axboe int ret, fd; 2167d9fb455aadc0c0363489591775496f27f4a560aJens Axboe 2176f260b317f4cec3027f79b8b329dd3f98c3906acJens Axboe ptr = strdup(f->file_name); 2186f260b317f4cec3027f79b8b329dd3f98c3906acJens Axboe strcpy(fname, basename(ptr)); 219c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe 220c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe sprintf(fname + strlen(fname), ".%llu.%s", offset, type); 2217d9fb455aadc0c0363489591775496f27f4a560aJens Axboe 2227d9fb455aadc0c0363489591775496f27f4a560aJens Axboe fd = open(fname, O_CREAT | O_TRUNC | O_WRONLY, 0644); 2237d9fb455aadc0c0363489591775496f27f4a560aJens Axboe if (fd < 0) { 2247d9fb455aadc0c0363489591775496f27f4a560aJens Axboe perror("open verify buf file"); 2257d9fb455aadc0c0363489591775496f27f4a560aJens Axboe return; 2267d9fb455aadc0c0363489591775496f27f4a560aJens Axboe } 2277d9fb455aadc0c0363489591775496f27f4a560aJens Axboe 2287d9fb455aadc0c0363489591775496f27f4a560aJens Axboe while (len) { 2297d9fb455aadc0c0363489591775496f27f4a560aJens Axboe ret = write(fd, buf, len); 2307d9fb455aadc0c0363489591775496f27f4a560aJens Axboe if (!ret) 2317d9fb455aadc0c0363489591775496f27f4a560aJens Axboe break; 2327d9fb455aadc0c0363489591775496f27f4a560aJens Axboe else if (ret < 0) { 2337d9fb455aadc0c0363489591775496f27f4a560aJens Axboe perror("write verify buf file"); 2347d9fb455aadc0c0363489591775496f27f4a560aJens Axboe break; 2357d9fb455aadc0c0363489591775496f27f4a560aJens Axboe } 2367d9fb455aadc0c0363489591775496f27f4a560aJens Axboe len -= ret; 2377d9fb455aadc0c0363489591775496f27f4a560aJens Axboe buf += ret; 2387d9fb455aadc0c0363489591775496f27f4a560aJens Axboe } 2397d9fb455aadc0c0363489591775496f27f4a560aJens Axboe 2407d9fb455aadc0c0363489591775496f27f4a560aJens Axboe close(fd); 241c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe log_err(" %s data dumped as %s\n", type, fname); 2426f260b317f4cec3027f79b8b329dd3f98c3906acJens Axboe free(ptr); 2437d9fb455aadc0c0363489591775496f27f4a560aJens Axboe} 2447d9fb455aadc0c0363489591775496f27f4a560aJens Axboe 245c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe/* 246c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe * Dump the contents of the read block and re-generate the correct data 247c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe * and dump that too. 248c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe */ 2497d9fb455aadc0c0363489591775496f27f4a560aJens Axboestatic void dump_verify_buffers(struct verify_header *hdr, struct vcont *vc) 2507d9fb455aadc0c0363489591775496f27f4a560aJens Axboe{ 2517d9fb455aadc0c0363489591775496f27f4a560aJens Axboe struct thread_data *td = vc->td; 2527d9fb455aadc0c0363489591775496f27f4a560aJens Axboe struct io_u *io_u = vc->io_u; 2537d9fb455aadc0c0363489591775496f27f4a560aJens Axboe unsigned long hdr_offset; 2547d9fb455aadc0c0363489591775496f27f4a560aJens Axboe struct io_u dummy; 255c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe void *buf; 2567d9fb455aadc0c0363489591775496f27f4a560aJens Axboe 2570dce9bc9b21a8d91aa55a29258dfaeffc57bd466Steven Lang if (!td->o.verify_dump) 2580dce9bc9b21a8d91aa55a29258dfaeffc57bd466Steven Lang return; 2590dce9bc9b21a8d91aa55a29258dfaeffc57bd466Steven Lang 260c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe /* 261c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe * Dump the contents we just read off disk 262c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe */ 2637d9fb455aadc0c0363489591775496f27f4a560aJens Axboe hdr_offset = vc->hdr_num * hdr->len; 2647d9fb455aadc0c0363489591775496f27f4a560aJens Axboe 265c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe dump_buf(io_u->buf + hdr_offset, hdr->len, io_u->offset + hdr_offset, 266c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe "received", vc->io_u->file); 2677d9fb455aadc0c0363489591775496f27f4a560aJens Axboe 268c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe /* 269c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe * Allocate a new buf and re-generate the original data 270c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe */ 271c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe buf = malloc(io_u->buflen); 2727d9fb455aadc0c0363489591775496f27f4a560aJens Axboe dummy = *io_u; 273c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe dummy.buf = buf; 2744aae38a645f3315ca2f8cc57a7ec4110ba7d8319Jens Axboe dummy.rand_seed = hdr->rand_seed; 275cfbcd0dc2fcbf0f9bfe92ff8f4ab17f21e46d21eJens Axboe dummy.buf_filled_len = 0; 2767d9fb455aadc0c0363489591775496f27f4a560aJens Axboe 277c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe fill_pattern_headers(td, &dummy, hdr->rand_seed, 1); 2787d9fb455aadc0c0363489591775496f27f4a560aJens Axboe 279c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe dump_buf(buf + hdr_offset, hdr->len, io_u->offset + hdr_offset, 280c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe "expected", vc->io_u->file); 2817d9fb455aadc0c0363489591775496f27f4a560aJens Axboe free(buf); 2827d9fb455aadc0c0363489591775496f27f4a560aJens Axboe} 2837d9fb455aadc0c0363489591775496f27f4a560aJens Axboe 284bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboestatic void log_verify_failure(struct verify_header *hdr, struct vcont *vc) 285bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe{ 286bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe unsigned long long offset; 287bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe 288bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe offset = vc->io_u->offset; 289bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe offset += vc->hdr_num * hdr->len; 29032c17adf7f75da1f0957d4691633fea60259910fJens Axboe log_err("%.8s: verify failed at file %s offset %llu, length %u\n", 29132c17adf7f75da1f0957d4691633fea60259910fJens Axboe vc->name, vc->io_u->file->file_name, offset, hdr->len); 292bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe 293bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe if (vc->good_crc && vc->bad_crc) { 294bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe log_err(" Expected CRC: "); 295bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe hexdump(vc->good_crc, vc->crc_len); 296bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe log_err(" Received CRC: "); 297bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe hexdump(vc->bad_crc, vc->crc_len); 298bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe } 2997d9fb455aadc0c0363489591775496f27f4a560aJens Axboe 3007d9fb455aadc0c0363489591775496f27f4a560aJens Axboe dump_verify_buffers(hdr, vc); 301bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe} 302bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe 303936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe/* 304d9f2caf3de3f2ba6f8ecd8a2688e1eb7715bc2aaJens Axboe * Return data area 'header_num' 305d9f2caf3de3f2ba6f8ecd8a2688e1eb7715bc2aaJens Axboe */ 306936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboestatic inline void *io_u_verify_off(struct verify_header *hdr, struct vcont *vc) 307d9f2caf3de3f2ba6f8ecd8a2688e1eb7715bc2aaJens Axboe{ 308936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe return vc->io_u->buf + vc->hdr_num * hdr->len + hdr_size(hdr); 309d9f2caf3de3f2ba6f8ecd8a2688e1eb7715bc2aaJens Axboe} 310d9f2caf3de3f2ba6f8ecd8a2688e1eb7715bc2aaJens Axboe 31192bf48d530ab09bae4058df711c4723c73da51b9Jens Axboestatic unsigned int hweight8(unsigned int w) 31292bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe{ 31392bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe unsigned int res = w - ((w >> 1) & 0x55); 31492bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe 31592bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe res = (res & 0x33) + ((res >> 2) & 0x33); 31692bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe return (res + (res >> 4)) & 0x0F; 31792bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe} 31892bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe 31992bf48d530ab09bae4058df711c4723c73da51b9Jens Axboestatic int verify_io_u_pattern(struct verify_header *hdr, struct vcont *vc) 32092bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe{ 32192bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe struct thread_data *td = vc->td; 32292bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe struct io_u *io_u = vc->io_u; 32392bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe char *buf, *pattern; 3242b13e716c0921356c0930522718e00b8df34293aJens Axboe unsigned int header_size = __hdr_size(td->o.verify); 3259a2a86d0f6f1425a6da666459ccd379e356a30d0Steven Lang unsigned int len, mod, i, size, pattern_size; 32692bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe 32792bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe pattern = td->o.verify_pattern; 3289a2a86d0f6f1425a6da666459ccd379e356a30d0Steven Lang pattern_size = td->o.verify_pattern_bytes; 3299a2a86d0f6f1425a6da666459ccd379e356a30d0Steven Lang if (pattern_size <= 1) 3309a2a86d0f6f1425a6da666459ccd379e356a30d0Steven Lang pattern_size = MAX_PATTERN_SIZE; 3312b13e716c0921356c0930522718e00b8df34293aJens Axboe buf = (void *) hdr + header_size; 3322b13e716c0921356c0930522718e00b8df34293aJens Axboe len = get_hdr_inc(td, io_u) - header_size; 3339a2a86d0f6f1425a6da666459ccd379e356a30d0Steven Lang mod = header_size % pattern_size; 3349a2a86d0f6f1425a6da666459ccd379e356a30d0Steven Lang 3359a2a86d0f6f1425a6da666459ccd379e356a30d0Steven Lang for (i = 0; i < len; i += size) { 3369a2a86d0f6f1425a6da666459ccd379e356a30d0Steven Lang size = pattern_size - mod; 3379a2a86d0f6f1425a6da666459ccd379e356a30d0Steven Lang if (size > (len - i)) 3389a2a86d0f6f1425a6da666459ccd379e356a30d0Steven Lang size = len - i; 3399a2a86d0f6f1425a6da666459ccd379e356a30d0Steven Lang if (memcmp(buf + i, pattern + mod, size)) 340e4ad68b1364aebfe949e2d6a649c7b1001ebca07Jens Axboe /* Let the slow compare find the first mismatch byte. */ 3419a2a86d0f6f1425a6da666459ccd379e356a30d0Steven Lang break; 3429a2a86d0f6f1425a6da666459ccd379e356a30d0Steven Lang mod = 0; 3439a2a86d0f6f1425a6da666459ccd379e356a30d0Steven Lang } 34492bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe 3459a2a86d0f6f1425a6da666459ccd379e356a30d0Steven Lang for (; i < len; i++) { 34692bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe if (buf[i] != pattern[mod]) { 34792bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe unsigned int bits; 34892bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe 34992bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe bits = hweight8(buf[i] ^ pattern[mod]); 35092bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe log_err("fio: got pattern %x, wanted %x. Bad bits %d\n", 35192bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe buf[i], pattern[mod], bits); 35292bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe log_err("fio: bad pattern block offset %u\n", i); 35392bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe dump_verify_buffers(hdr, vc); 35492bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe return EILSEQ; 35592bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe } 35692bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe mod++; 35792bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe if (mod == td->o.verify_pattern_bytes) 35892bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe mod = 0; 35992bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe } 36092bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe 36192bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe return 0; 36292bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe} 36392bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe 36492bf48d530ab09bae4058df711c4723c73da51b9Jens Axboestatic int verify_io_u_meta(struct verify_header *hdr, struct vcont *vc) 3657437ee87e4f6457168e8440f9308b4296ddb9263Shawn Lewis{ 36692bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe struct thread_data *td = vc->td; 3677437ee87e4f6457168e8440f9308b4296ddb9263Shawn Lewis struct vhdr_meta *vh = hdr_priv(hdr); 368936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe struct io_u *io_u = vc->io_u; 36992bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe int ret = EILSEQ; 3707437ee87e4f6457168e8440f9308b4296ddb9263Shawn Lewis 371bd6f78b2f0b6375383948f126368804612ec0035Jens Axboe dprint(FD_VERIFY, "meta verify io_u %p, len %u\n", io_u, hdr->len); 372bd6f78b2f0b6375383948f126368804612ec0035Jens Axboe 373bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe if (vh->offset == io_u->offset + vc->hdr_num * td->o.verify_interval) 37492bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe ret = 0; 37592bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe 37692bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe if (td->o.verify_pattern_bytes) 37792bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe ret |= verify_io_u_pattern(hdr, vc); 37892bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe 37992bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe if (!ret) 380bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe return 0; 3817437ee87e4f6457168e8440f9308b4296ddb9263Shawn Lewis 382bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->name = "meta"; 383bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe log_verify_failure(hdr, vc); 38492bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe return ret; 3857437ee87e4f6457168e8440f9308b4296ddb9263Shawn Lewis} 3867437ee87e4f6457168e8440f9308b4296ddb9263Shawn Lewis 387936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboestatic int verify_io_u_sha512(struct verify_header *hdr, struct vcont *vc) 388cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe{ 389936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe void *p = io_u_verify_off(hdr, vc); 390546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe struct vhdr_sha512 *vh = hdr_priv(hdr); 391cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe uint8_t sha512[128]; 392cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe struct sha512_ctx sha512_ctx = { 393cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe .buf = sha512, 394cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe }; 395cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe 396936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe dprint(FD_VERIFY, "sha512 verify io_u %p, len %u\n", vc->io_u, hdr->len); 397bd6f78b2f0b6375383948f126368804612ec0035Jens Axboe 398cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe sha512_init(&sha512_ctx); 3998767783245faac99a7e1c330a1d6536e579c8402Jens Axboe sha512_update(&sha512_ctx, p, hdr->len - hdr_size(hdr)); 400cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe 401bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe if (!memcmp(vh->sha512, sha512_ctx.buf, sizeof(sha512))) 402bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe return 0; 403cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe 404bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->name = "sha512"; 405bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->good_crc = vh->sha512; 406bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->bad_crc = sha512_ctx.buf; 407bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->crc_len = sizeof(vh->sha512); 408bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe log_verify_failure(hdr, vc); 409bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe return EILSEQ; 410cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe} 411cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe 412936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboestatic int verify_io_u_sha256(struct verify_header *hdr, struct vcont *vc) 413cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe{ 414936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe void *p = io_u_verify_off(hdr, vc); 415546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe struct vhdr_sha256 *vh = hdr_priv(hdr); 416bc77f56f79f6ae155e9eb26263ed686ef28b47ecJens Axboe uint8_t sha256[64]; 417cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe struct sha256_ctx sha256_ctx = { 418cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe .buf = sha256, 419cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe }; 420cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe 421936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe dprint(FD_VERIFY, "sha256 verify io_u %p, len %u\n", vc->io_u, hdr->len); 422bd6f78b2f0b6375383948f126368804612ec0035Jens Axboe 423cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe sha256_init(&sha256_ctx); 4248767783245faac99a7e1c330a1d6536e579c8402Jens Axboe sha256_update(&sha256_ctx, p, hdr->len - hdr_size(hdr)); 425cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe 426bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe if (!memcmp(vh->sha256, sha256_ctx.buf, sizeof(sha256))) 427bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe return 0; 428cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe 429bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->name = "sha256"; 430bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->good_crc = vh->sha256; 431bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->bad_crc = sha256_ctx.buf; 432bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->crc_len = sizeof(vh->sha256); 433bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe log_verify_failure(hdr, vc); 434bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe return EILSEQ; 435cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe} 436cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe 437936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboestatic int verify_io_u_sha1(struct verify_header *hdr, struct vcont *vc) 4387c353ceb3257b132f4c98326046b42201e070731Jens Axboe{ 439936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe void *p = io_u_verify_off(hdr, vc); 4407c353ceb3257b132f4c98326046b42201e070731Jens Axboe struct vhdr_sha1 *vh = hdr_priv(hdr); 4417c353ceb3257b132f4c98326046b42201e070731Jens Axboe uint32_t sha1[5]; 4427c353ceb3257b132f4c98326046b42201e070731Jens Axboe struct sha1_ctx sha1_ctx = { 4437c353ceb3257b132f4c98326046b42201e070731Jens Axboe .H = sha1, 4447c353ceb3257b132f4c98326046b42201e070731Jens Axboe }; 4457c353ceb3257b132f4c98326046b42201e070731Jens Axboe 446936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe dprint(FD_VERIFY, "sha1 verify io_u %p, len %u\n", vc->io_u, hdr->len); 4477c353ceb3257b132f4c98326046b42201e070731Jens Axboe 4487c353ceb3257b132f4c98326046b42201e070731Jens Axboe sha1_init(&sha1_ctx); 4497c353ceb3257b132f4c98326046b42201e070731Jens Axboe sha1_update(&sha1_ctx, p, hdr->len - hdr_size(hdr)); 4507c353ceb3257b132f4c98326046b42201e070731Jens Axboe 451bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe if (!memcmp(vh->sha1, sha1_ctx.H, sizeof(sha1))) 452bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe return 0; 4537c353ceb3257b132f4c98326046b42201e070731Jens Axboe 454bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->name = "sha1"; 455bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->good_crc = vh->sha1; 456bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->bad_crc = sha1_ctx.H; 457bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->crc_len = sizeof(vh->sha1); 458bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe log_verify_failure(hdr, vc); 459bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe return EILSEQ; 4607c353ceb3257b132f4c98326046b42201e070731Jens Axboe} 4617c353ceb3257b132f4c98326046b42201e070731Jens Axboe 462936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboestatic int verify_io_u_crc7(struct verify_header *hdr, struct vcont *vc) 4631e154bdbf14a1d352117aea057035235b66f0381Jens Axboe{ 464936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe void *p = io_u_verify_off(hdr, vc); 465546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe struct vhdr_crc7 *vh = hdr_priv(hdr); 4661e154bdbf14a1d352117aea057035235b66f0381Jens Axboe unsigned char c; 4671e154bdbf14a1d352117aea057035235b66f0381Jens Axboe 468936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe dprint(FD_VERIFY, "crc7 verify io_u %p, len %u\n", vc->io_u, hdr->len); 469bd6f78b2f0b6375383948f126368804612ec0035Jens Axboe 4708767783245faac99a7e1c330a1d6536e579c8402Jens Axboe c = crc7(p, hdr->len - hdr_size(hdr)); 4711e154bdbf14a1d352117aea057035235b66f0381Jens Axboe 472bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe if (c == vh->crc7) 473bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe return 0; 4741e154bdbf14a1d352117aea057035235b66f0381Jens Axboe 475bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->name = "crc7"; 476bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->good_crc = &vh->crc7; 477bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->bad_crc = &c; 478bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->crc_len = 1; 479bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe log_verify_failure(hdr, vc); 480bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe return EILSEQ; 4811e154bdbf14a1d352117aea057035235b66f0381Jens Axboe} 4821e154bdbf14a1d352117aea057035235b66f0381Jens Axboe 483936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboestatic int verify_io_u_crc16(struct verify_header *hdr, struct vcont *vc) 484969f7ed32353ade93ea30542a4993b75b94e3f8aJens Axboe{ 485936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe void *p = io_u_verify_off(hdr, vc); 486546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe struct vhdr_crc16 *vh = hdr_priv(hdr); 487969f7ed32353ade93ea30542a4993b75b94e3f8aJens Axboe unsigned short c; 488969f7ed32353ade93ea30542a4993b75b94e3f8aJens Axboe 489936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe dprint(FD_VERIFY, "crc16 verify io_u %p, len %u\n", vc->io_u, hdr->len); 490bd6f78b2f0b6375383948f126368804612ec0035Jens Axboe 4918767783245faac99a7e1c330a1d6536e579c8402Jens Axboe c = crc16(p, hdr->len - hdr_size(hdr)); 492969f7ed32353ade93ea30542a4993b75b94e3f8aJens Axboe 493bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe if (c == vh->crc16) 494bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe return 0; 495969f7ed32353ade93ea30542a4993b75b94e3f8aJens Axboe 496bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->name = "crc16"; 497bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->good_crc = &vh->crc16; 498bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->bad_crc = &c; 499bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->crc_len = 2; 500bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe log_verify_failure(hdr, vc); 501bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe return EILSEQ; 502969f7ed32353ade93ea30542a4993b75b94e3f8aJens Axboe} 503969f7ed32353ade93ea30542a4993b75b94e3f8aJens Axboe 504936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboestatic int verify_io_u_crc64(struct verify_header *hdr, struct vcont *vc) 505d77a7af3e718200bbd77d76194725ead4bdb3591Jens Axboe{ 506936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe void *p = io_u_verify_off(hdr, vc); 507546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe struct vhdr_crc64 *vh = hdr_priv(hdr); 508d77a7af3e718200bbd77d76194725ead4bdb3591Jens Axboe unsigned long long c; 509d77a7af3e718200bbd77d76194725ead4bdb3591Jens Axboe 510936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe dprint(FD_VERIFY, "crc64 verify io_u %p, len %u\n", vc->io_u, hdr->len); 511bd6f78b2f0b6375383948f126368804612ec0035Jens Axboe 5128767783245faac99a7e1c330a1d6536e579c8402Jens Axboe c = crc64(p, hdr->len - hdr_size(hdr)); 513d77a7af3e718200bbd77d76194725ead4bdb3591Jens Axboe 514bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe if (c == vh->crc64) 515bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe return 0; 516d77a7af3e718200bbd77d76194725ead4bdb3591Jens Axboe 517bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->name = "crc64"; 518bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->good_crc = &vh->crc64; 519bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->bad_crc = &c; 520bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->crc_len = 8; 521bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe log_verify_failure(hdr, vc); 522bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe return EILSEQ; 523d77a7af3e718200bbd77d76194725ead4bdb3591Jens Axboe} 524d77a7af3e718200bbd77d76194725ead4bdb3591Jens Axboe 525936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboestatic int verify_io_u_crc32(struct verify_header *hdr, struct vcont *vc) 526e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe{ 527936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe void *p = io_u_verify_off(hdr, vc); 528546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe struct vhdr_crc32 *vh = hdr_priv(hdr); 529546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe uint32_t c; 530e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe 531936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe dprint(FD_VERIFY, "crc32 verify io_u %p, len %u\n", vc->io_u, hdr->len); 532bd6f78b2f0b6375383948f126368804612ec0035Jens Axboe 5338767783245faac99a7e1c330a1d6536e579c8402Jens Axboe c = crc32(p, hdr->len - hdr_size(hdr)); 534e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe 535bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe if (c == vh->crc32) 536bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe return 0; 537e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe 538bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->name = "crc32"; 539bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->good_crc = &vh->crc32; 540bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->bad_crc = &c; 541bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->crc_len = 4; 542bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe log_verify_failure(hdr, vc); 543bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe return EILSEQ; 544e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe} 545e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe 546936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboestatic int verify_io_u_crc32c(struct verify_header *hdr, struct vcont *vc) 547bac39e0e8807a1d52863ad8304e67221df2bc63bJens Axboe{ 548936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe void *p = io_u_verify_off(hdr, vc); 549bac39e0e8807a1d52863ad8304e67221df2bc63bJens Axboe struct vhdr_crc32 *vh = hdr_priv(hdr); 550bac39e0e8807a1d52863ad8304e67221df2bc63bJens Axboe uint32_t c; 551bac39e0e8807a1d52863ad8304e67221df2bc63bJens Axboe 552936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe dprint(FD_VERIFY, "crc32c verify io_u %p, len %u\n", vc->io_u, hdr->len); 553bac39e0e8807a1d52863ad8304e67221df2bc63bJens Axboe 554e3aaafc4e902a0f78b8ee4d4bc85f8edac6e09d2Jens Axboe c = crc32c(p, hdr->len - hdr_size(hdr)); 555bac39e0e8807a1d52863ad8304e67221df2bc63bJens Axboe 556bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe if (c == vh->crc32) 557bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe return 0; 558bac39e0e8807a1d52863ad8304e67221df2bc63bJens Axboe 559bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->name = "crc32c"; 560bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->good_crc = &vh->crc32; 561bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->bad_crc = &c; 562bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->crc_len = 4; 563bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe log_verify_failure(hdr, vc); 564bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe return EILSEQ; 565bac39e0e8807a1d52863ad8304e67221df2bc63bJens Axboe} 566bac39e0e8807a1d52863ad8304e67221df2bc63bJens Axboe 567936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboestatic int verify_io_u_md5(struct verify_header *hdr, struct vcont *vc) 568e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe{ 569936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe void *p = io_u_verify_off(hdr, vc); 570546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe struct vhdr_md5 *vh = hdr_priv(hdr); 5718c432325c3df2075a77b27eab8a87704cf7b48eeJens Axboe uint32_t hash[MD5_HASH_WORDS]; 5728c432325c3df2075a77b27eab8a87704cf7b48eeJens Axboe struct md5_ctx md5_ctx = { 5738c432325c3df2075a77b27eab8a87704cf7b48eeJens Axboe .hash = hash, 5748c432325c3df2075a77b27eab8a87704cf7b48eeJens Axboe }; 575e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe 576936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe dprint(FD_VERIFY, "md5 verify io_u %p, len %u\n", vc->io_u, hdr->len); 577bd6f78b2f0b6375383948f126368804612ec0035Jens Axboe 57861f821f16cf27d8742e09b3a137c933cd0085e9bJens Axboe md5_init(&md5_ctx); 5798767783245faac99a7e1c330a1d6536e579c8402Jens Axboe md5_update(&md5_ctx, p, hdr->len - hdr_size(hdr)); 580e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe 581bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe if (!memcmp(vh->md5_digest, md5_ctx.hash, sizeof(hash))) 582bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe return 0; 583e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe 584bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->name = "md5"; 585bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->good_crc = vh->md5_digest; 586bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->bad_crc = md5_ctx.hash; 587bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe vc->crc_len = sizeof(hash); 588bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe log_verify_failure(hdr, vc); 589bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe return EILSEQ; 590e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe} 591e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe 592e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe/* 593e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe * Push IO verification to a separate thread 594e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe */ 595e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboeint verify_io_u_async(struct thread_data *td, struct io_u *io_u) 596e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe{ 597e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe if (io_u->file) 598e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe put_file_log(td, io_u->file); 599e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe 600e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe pthread_mutex_lock(&td->io_u_lock); 601d7ee2a7d431c2cabdf56d04ca14805cad72cf985Steven Lang 6020c41214ff4e6f31f8df64aac37be7853aada6f1fRadha Ramachandran if (io_u->flags & IO_U_F_IN_CUR_DEPTH) { 6030c41214ff4e6f31f8df64aac37be7853aada6f1fRadha Ramachandran td->cur_depth--; 6040c41214ff4e6f31f8df64aac37be7853aada6f1fRadha Ramachandran io_u->flags &= ~IO_U_F_IN_CUR_DEPTH; 6050c41214ff4e6f31f8df64aac37be7853aada6f1fRadha Ramachandran } 606e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe flist_del(&io_u->list); 607e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe flist_add_tail(&io_u->list, &td->verify_list); 6082ecc1b57721e3cb72bbf558bc169c97037fe3d0aJens Axboe io_u->flags |= IO_U_F_FREE_DEF; 609e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe pthread_mutex_unlock(&td->io_u_lock); 610e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe 611e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe pthread_cond_signal(&td->verify_cond); 612e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe return 0; 613e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe} 614e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe 6150d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboestatic int verify_trimmed_io_u(struct thread_data *td, struct io_u *io_u) 6160d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe{ 6170d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe static char zero_buf[1024]; 6180d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe unsigned int this_len, len; 6190d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe int ret = 0; 6200d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe void *p; 6210d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe 6220d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe if (!td->o.trim_zero) 6230d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe return 0; 6240d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe 6250d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe len = io_u->buflen; 6260d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe p = io_u->buf; 6270d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe do { 6280d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe this_len = sizeof(zero_buf); 6290d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe if (this_len > len) 6300d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe this_len = len; 6310d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe if (memcmp(p, zero_buf, this_len)) { 6320d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe ret = EILSEQ; 6330d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe break; 6340d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe } 6350d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe len -= this_len; 6360d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe p += this_len; 6370d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe } while (len); 6380d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe 6390d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe if (!ret) 6400d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe return 0; 6410d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe 642a917a8b3dfeefdd7007ba2f46f21fc145574309dJens Axboe log_err("trim: verify failed at file %s offset %llu, length %lu" 643a917a8b3dfeefdd7007ba2f46f21fc145574309dJens Axboe ", block offset %lu\n", 644a917a8b3dfeefdd7007ba2f46f21fc145574309dJens Axboe io_u->file->file_name, io_u->offset, io_u->buflen, 6452f68124f26e54233db41b462a257dabc48e5c32bJens Axboe (unsigned long) (p - io_u->buf)); 6460d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe return ret; 6470d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe} 6480d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe 649ae38c0dcd570265aef09aa132ce27278d8909a1dJens Axboestatic int verify_header(struct verify_header *hdr) 650f65d1c2663ac6007eac1a2063fe25b4275d013e4Jens Axboe{ 651f65d1c2663ac6007eac1a2063fe25b4275d013e4Jens Axboe void *p = hdr; 652f65d1c2663ac6007eac1a2063fe25b4275d013e4Jens Axboe uint32_t crc; 653f65d1c2663ac6007eac1a2063fe25b4275d013e4Jens Axboe 654ae38c0dcd570265aef09aa132ce27278d8909a1dJens Axboe if (hdr->magic != FIO_HDR_MAGIC) 655ae38c0dcd570265aef09aa132ce27278d8909a1dJens Axboe return 0; 656ae38c0dcd570265aef09aa132ce27278d8909a1dJens Axboe 657a3e87103daa6b8eb274dce8409ebc87fe3a3595dJens Axboe crc = crc32c(p, sizeof(*hdr) - sizeof(hdr->crc32)); 658f65d1c2663ac6007eac1a2063fe25b4275d013e4Jens Axboe if (crc == hdr->crc32) 659f65d1c2663ac6007eac1a2063fe25b4275d013e4Jens Axboe return 1; 660f65d1c2663ac6007eac1a2063fe25b4275d013e4Jens Axboe 661f65d1c2663ac6007eac1a2063fe25b4275d013e4Jens Axboe log_err("fio: verify header crc %x, calculated %x\n", hdr->crc32, crc); 662f65d1c2663ac6007eac1a2063fe25b4275d013e4Jens Axboe return 0; 663f65d1c2663ac6007eac1a2063fe25b4275d013e4Jens Axboe} 664f65d1c2663ac6007eac1a2063fe25b4275d013e4Jens Axboe 66536690c9b5b50736cec1fcd53100f01fd1181fdf4Jens Axboeint verify_io_u(struct thread_data *td, struct io_u *io_u) 666e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe{ 6673f9f4e2631c4f5d33f125dd71db20c1773d22c91Shawn Lewis struct verify_header *hdr; 6682b13e716c0921356c0930522718e00b8df34293aJens Axboe unsigned int header_size, hdr_inc, hdr_num = 0; 66995646108f83a34c0486d7f3ed19e99c1d93691e6Jens Axboe void *p; 670e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe int ret; 671e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe 6721dcc049824b840df1ee0ef5d019fffa4037e1bb0Shawn Lewis if (td->o.verify == VERIFY_NULL || io_u->ddir != DDIR_READ) 67336690c9b5b50736cec1fcd53100f01fd1181fdf4Jens Axboe return 0; 6740d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe if (io_u->flags & IO_U_F_TRIMMED) { 6750d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe ret = verify_trimmed_io_u(td, io_u); 6760d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe goto done; 6770d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe } 67836690c9b5b50736cec1fcd53100f01fd1181fdf4Jens Axboe 679cfbcd0dc2fcbf0f9bfe92ff8f4ab17f21e46d21eJens Axboe hdr_inc = get_hdr_inc(td, io_u); 680e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe 681a12a3b4d8903b9941705067442c2c530a94635f3Jens Axboe ret = 0; 6825ec10eaad3b09875b91e19a20bbdfa06f2117562Jens Axboe for (p = io_u->buf; p < io_u->buf + io_u->buflen; 6835ec10eaad3b09875b91e19a20bbdfa06f2117562Jens Axboe p += hdr_inc, hdr_num++) { 684bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe struct vcont vc = { 685bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe .io_u = io_u, 686bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe .hdr_num = hdr_num, 6877d9fb455aadc0c0363489591775496f27f4a560aJens Axboe .td = td, 688bfacf389e9edb1b63ca0b9c6cb2aea8b06d53aceJens Axboe }; 689936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe 690f3e6cb95fecf867ec46e3dfd59ef1a1db1b6ad2aJens Axboe if (ret && td->o.verify_fatal) 691a12a3b4d8903b9941705067442c2c530a94635f3Jens Axboe break; 692f3e6cb95fecf867ec46e3dfd59ef1a1db1b6ad2aJens Axboe 6932b13e716c0921356c0930522718e00b8df34293aJens Axboe header_size = __hdr_size(td->o.verify); 694a59e170d683f9ccbaa45648d7ae9a13b70e3822cJens Axboe if (td->o.verify_offset) 6952b13e716c0921356c0930522718e00b8df34293aJens Axboe memswp(p, p + td->o.verify_offset, header_size); 69695646108f83a34c0486d7f3ed19e99c1d93691e6Jens Axboe hdr = p; 697e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe 698ae38c0dcd570265aef09aa132ce27278d8909a1dJens Axboe if (!verify_header(hdr)) { 699ae38c0dcd570265aef09aa132ce27278d8909a1dJens Axboe log_err("verify: bad magic header %x, wanted %x at " 700ae38c0dcd570265aef09aa132ce27278d8909a1dJens Axboe "file %s offset %llu, length %u\n", 701d3a173a927084660c365d6aa162016ebb0746946Jens Axboe hdr->magic, FIO_HDR_MAGIC, 702c9b440312ff63c2b4c8548530f24c2eb5820b6a3Jens Axboe io_u->file->file_name, 703c9b440312ff63c2b4c8548530f24c2eb5820b6a3Jens Axboe io_u->offset + hdr_num * hdr->len, hdr->len); 7049fd189697dbf9fb7878093be5e41f25b7f932c2dJens Axboe return EILSEQ; 7053f199b01fc9cc7a0f4915db266d7a28bc46e84f0Jens Axboe } 7063f199b01fc9cc7a0f4915db266d7a28bc46e84f0Jens Axboe 7073f9f4e2631c4f5d33f125dd71db20c1773d22c91Shawn Lewis switch (hdr->verify_type) { 7083f9f4e2631c4f5d33f125dd71db20c1773d22c91Shawn Lewis case VERIFY_MD5: 709936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe ret = verify_io_u_md5(hdr, &vc); 7103f9f4e2631c4f5d33f125dd71db20c1773d22c91Shawn Lewis break; 7113f9f4e2631c4f5d33f125dd71db20c1773d22c91Shawn Lewis case VERIFY_CRC64: 712936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe ret = verify_io_u_crc64(hdr, &vc); 7133f9f4e2631c4f5d33f125dd71db20c1773d22c91Shawn Lewis break; 714bac39e0e8807a1d52863ad8304e67221df2bc63bJens Axboe case VERIFY_CRC32C: 7153845591fadea480177223e28c9d1c03642d34f0eJens Axboe case VERIFY_CRC32C_INTEL: 716936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe ret = verify_io_u_crc32c(hdr, &vc); 717bac39e0e8807a1d52863ad8304e67221df2bc63bJens Axboe break; 7183f9f4e2631c4f5d33f125dd71db20c1773d22c91Shawn Lewis case VERIFY_CRC32: 719936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe ret = verify_io_u_crc32(hdr, &vc); 7203f9f4e2631c4f5d33f125dd71db20c1773d22c91Shawn Lewis break; 7213f9f4e2631c4f5d33f125dd71db20c1773d22c91Shawn Lewis case VERIFY_CRC16: 722936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe ret = verify_io_u_crc16(hdr, &vc); 7233f9f4e2631c4f5d33f125dd71db20c1773d22c91Shawn Lewis break; 7243f9f4e2631c4f5d33f125dd71db20c1773d22c91Shawn Lewis case VERIFY_CRC7: 725936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe ret = verify_io_u_crc7(hdr, &vc); 7263f9f4e2631c4f5d33f125dd71db20c1773d22c91Shawn Lewis break; 727cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe case VERIFY_SHA256: 728936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe ret = verify_io_u_sha256(hdr, &vc); 729cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe break; 730cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe case VERIFY_SHA512: 731936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe ret = verify_io_u_sha512(hdr, &vc); 732cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe break; 7337437ee87e4f6457168e8440f9308b4296ddb9263Shawn Lewis case VERIFY_META: 73492bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe ret = verify_io_u_meta(hdr, &vc); 7357437ee87e4f6457168e8440f9308b4296ddb9263Shawn Lewis break; 7367c353ceb3257b132f4c98326046b42201e070731Jens Axboe case VERIFY_SHA1: 737936216f8cd8ae2261282453d82a2a8232bb4db45Jens Axboe ret = verify_io_u_sha1(hdr, &vc); 7387c353ceb3257b132f4c98326046b42201e070731Jens Axboe break; 73992bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe case VERIFY_PATTERN: 74092bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe ret = verify_io_u_pattern(hdr, &vc); 74192bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe break; 7423f9f4e2631c4f5d33f125dd71db20c1773d22c91Shawn Lewis default: 7433f9f4e2631c4f5d33f125dd71db20c1773d22c91Shawn Lewis log_err("Bad verify type %u\n", hdr->verify_type); 744d16d4e09352f618c266d1efe27cbb25a95df6e86Jens Axboe ret = EINVAL; 7453f9f4e2631c4f5d33f125dd71db20c1773d22c91Shawn Lewis } 7463f9f4e2631c4f5d33f125dd71db20c1773d22c91Shawn Lewis } 747a7dfe862c2e3fe72b8db6a6e67302048d3731c6dJens Axboe 7480d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboedone: 749f3e6cb95fecf867ec46e3dfd59ef1a1db1b6ad2aJens Axboe if (ret && td->o.verify_fatal) 750f3e6cb95fecf867ec46e3dfd59ef1a1db1b6ad2aJens Axboe td->terminate = 1; 751f3e6cb95fecf867ec46e3dfd59ef1a1db1b6ad2aJens Axboe 752a12a3b4d8903b9941705067442c2c530a94635f3Jens Axboe return ret; 753e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe} 754e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe 7557437ee87e4f6457168e8440f9308b4296ddb9263Shawn Lewisstatic void fill_meta(struct verify_header *hdr, struct thread_data *td, 7565ec10eaad3b09875b91e19a20bbdfa06f2117562Jens Axboe struct io_u *io_u, unsigned int header_num) 7577437ee87e4f6457168e8440f9308b4296ddb9263Shawn Lewis{ 7587437ee87e4f6457168e8440f9308b4296ddb9263Shawn Lewis struct vhdr_meta *vh = hdr_priv(hdr); 7597437ee87e4f6457168e8440f9308b4296ddb9263Shawn Lewis 7607437ee87e4f6457168e8440f9308b4296ddb9263Shawn Lewis vh->thread = td->thread_number; 7617437ee87e4f6457168e8440f9308b4296ddb9263Shawn Lewis 7627437ee87e4f6457168e8440f9308b4296ddb9263Shawn Lewis vh->time_sec = io_u->start_time.tv_sec; 7637437ee87e4f6457168e8440f9308b4296ddb9263Shawn Lewis vh->time_usec = io_u->start_time.tv_usec; 7647437ee87e4f6457168e8440f9308b4296ddb9263Shawn Lewis 7657437ee87e4f6457168e8440f9308b4296ddb9263Shawn Lewis vh->numberio = td->io_issues[DDIR_WRITE]; 7667437ee87e4f6457168e8440f9308b4296ddb9263Shawn Lewis 7677437ee87e4f6457168e8440f9308b4296ddb9263Shawn Lewis vh->offset = io_u->offset + header_num * td->o.verify_interval; 7687437ee87e4f6457168e8440f9308b4296ddb9263Shawn Lewis} 7697437ee87e4f6457168e8440f9308b4296ddb9263Shawn Lewis 770cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboestatic void fill_sha512(struct verify_header *hdr, void *p, unsigned int len) 771cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe{ 772546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe struct vhdr_sha512 *vh = hdr_priv(hdr); 773cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe struct sha512_ctx sha512_ctx = { 774546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe .buf = vh->sha512, 775cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe }; 776cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe 777cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe sha512_init(&sha512_ctx); 778cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe sha512_update(&sha512_ctx, p, len); 779cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe} 780cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe 781cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboestatic void fill_sha256(struct verify_header *hdr, void *p, unsigned int len) 782cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe{ 783546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe struct vhdr_sha256 *vh = hdr_priv(hdr); 784cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe struct sha256_ctx sha256_ctx = { 785546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe .buf = vh->sha256, 786cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe }; 787cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe 788cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe sha256_init(&sha256_ctx); 789cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe sha256_update(&sha256_ctx, p, len); 790cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe} 791cd14cc1079771ece34fce5b30d47c7b273ee56e5Jens Axboe 7927c353ceb3257b132f4c98326046b42201e070731Jens Axboestatic void fill_sha1(struct verify_header *hdr, void *p, unsigned int len) 7937c353ceb3257b132f4c98326046b42201e070731Jens Axboe{ 7947c353ceb3257b132f4c98326046b42201e070731Jens Axboe struct vhdr_sha1 *vh = hdr_priv(hdr); 7957c353ceb3257b132f4c98326046b42201e070731Jens Axboe struct sha1_ctx sha1_ctx = { 7967c353ceb3257b132f4c98326046b42201e070731Jens Axboe .H = vh->sha1, 7977c353ceb3257b132f4c98326046b42201e070731Jens Axboe }; 7987c353ceb3257b132f4c98326046b42201e070731Jens Axboe 7997c353ceb3257b132f4c98326046b42201e070731Jens Axboe sha1_init(&sha1_ctx); 8007c353ceb3257b132f4c98326046b42201e070731Jens Axboe sha1_update(&sha1_ctx, p, len); 8017c353ceb3257b132f4c98326046b42201e070731Jens Axboe} 8027c353ceb3257b132f4c98326046b42201e070731Jens Axboe 8031e154bdbf14a1d352117aea057035235b66f0381Jens Axboestatic void fill_crc7(struct verify_header *hdr, void *p, unsigned int len) 8041e154bdbf14a1d352117aea057035235b66f0381Jens Axboe{ 805546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe struct vhdr_crc7 *vh = hdr_priv(hdr); 806546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe 807546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe vh->crc7 = crc7(p, len); 8081e154bdbf14a1d352117aea057035235b66f0381Jens Axboe} 8091e154bdbf14a1d352117aea057035235b66f0381Jens Axboe 810969f7ed32353ade93ea30542a4993b75b94e3f8aJens Axboestatic void fill_crc16(struct verify_header *hdr, void *p, unsigned int len) 811969f7ed32353ade93ea30542a4993b75b94e3f8aJens Axboe{ 812546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe struct vhdr_crc16 *vh = hdr_priv(hdr); 813546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe 814546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe vh->crc16 = crc16(p, len); 815969f7ed32353ade93ea30542a4993b75b94e3f8aJens Axboe} 816969f7ed32353ade93ea30542a4993b75b94e3f8aJens Axboe 817e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboestatic void fill_crc32(struct verify_header *hdr, void *p, unsigned int len) 818e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe{ 819546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe struct vhdr_crc32 *vh = hdr_priv(hdr); 820546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe 821546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe vh->crc32 = crc32(p, len); 822e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe} 823e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe 824bac39e0e8807a1d52863ad8304e67221df2bc63bJens Axboestatic void fill_crc32c(struct verify_header *hdr, void *p, unsigned int len) 825bac39e0e8807a1d52863ad8304e67221df2bc63bJens Axboe{ 826bac39e0e8807a1d52863ad8304e67221df2bc63bJens Axboe struct vhdr_crc32 *vh = hdr_priv(hdr); 827bac39e0e8807a1d52863ad8304e67221df2bc63bJens Axboe 828e3aaafc4e902a0f78b8ee4d4bc85f8edac6e09d2Jens Axboe vh->crc32 = crc32c(p, len); 829bac39e0e8807a1d52863ad8304e67221df2bc63bJens Axboe} 830bac39e0e8807a1d52863ad8304e67221df2bc63bJens Axboe 831d77a7af3e718200bbd77d76194725ead4bdb3591Jens Axboestatic void fill_crc64(struct verify_header *hdr, void *p, unsigned int len) 832d77a7af3e718200bbd77d76194725ead4bdb3591Jens Axboe{ 833546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe struct vhdr_crc64 *vh = hdr_priv(hdr); 834546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe 835546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe vh->crc64 = crc64(p, len); 836d77a7af3e718200bbd77d76194725ead4bdb3591Jens Axboe} 837d77a7af3e718200bbd77d76194725ead4bdb3591Jens Axboe 838e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboestatic void fill_md5(struct verify_header *hdr, void *p, unsigned int len) 839e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe{ 840546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe struct vhdr_md5 *vh = hdr_priv(hdr); 8418c432325c3df2075a77b27eab8a87704cf7b48eeJens Axboe struct md5_ctx md5_ctx = { 842546dfd9ff99eec4af5d1c6c2ca702b7cf9656334Jens Axboe .hash = (uint32_t *) vh->md5_digest, 8438c432325c3df2075a77b27eab8a87704cf7b48eeJens Axboe }; 844e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe 84561f821f16cf27d8742e09b3a137c933cd0085e9bJens Axboe md5_init(&md5_ctx); 846e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe md5_update(&md5_ctx, p, len); 847e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe} 848e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe 8497d9fb455aadc0c0363489591775496f27f4a560aJens Axboestatic void populate_hdr(struct thread_data *td, struct io_u *io_u, 8507d9fb455aadc0c0363489591775496f27f4a560aJens Axboe struct verify_header *hdr, unsigned int header_num, 8517d9fb455aadc0c0363489591775496f27f4a560aJens Axboe unsigned int header_len) 8527d9fb455aadc0c0363489591775496f27f4a560aJens Axboe{ 8537d9fb455aadc0c0363489591775496f27f4a560aJens Axboe unsigned int data_len; 8547d9fb455aadc0c0363489591775496f27f4a560aJens Axboe void *data, *p; 8557d9fb455aadc0c0363489591775496f27f4a560aJens Axboe 8567d9fb455aadc0c0363489591775496f27f4a560aJens Axboe p = (void *) hdr; 8577d9fb455aadc0c0363489591775496f27f4a560aJens Axboe 858d3a173a927084660c365d6aa162016ebb0746946Jens Axboe hdr->magic = FIO_HDR_MAGIC; 8597d9fb455aadc0c0363489591775496f27f4a560aJens Axboe hdr->verify_type = td->o.verify; 860d3a173a927084660c365d6aa162016ebb0746946Jens Axboe hdr->len = header_len; 8617d9fb455aadc0c0363489591775496f27f4a560aJens Axboe hdr->rand_seed = io_u->rand_seed; 862a3e87103daa6b8eb274dce8409ebc87fe3a3595dJens Axboe hdr->crc32 = crc32c(p, sizeof(*hdr) - sizeof(hdr->crc32)); 863f65d1c2663ac6007eac1a2063fe25b4275d013e4Jens Axboe 8647d9fb455aadc0c0363489591775496f27f4a560aJens Axboe data_len = header_len - hdr_size(hdr); 8657d9fb455aadc0c0363489591775496f27f4a560aJens Axboe 8667d9fb455aadc0c0363489591775496f27f4a560aJens Axboe data = p + hdr_size(hdr); 8677d9fb455aadc0c0363489591775496f27f4a560aJens Axboe switch (td->o.verify) { 8687d9fb455aadc0c0363489591775496f27f4a560aJens Axboe case VERIFY_MD5: 8697d9fb455aadc0c0363489591775496f27f4a560aJens Axboe dprint(FD_VERIFY, "fill md5 io_u %p, len %u\n", 8707d9fb455aadc0c0363489591775496f27f4a560aJens Axboe io_u, hdr->len); 8717d9fb455aadc0c0363489591775496f27f4a560aJens Axboe fill_md5(hdr, data, data_len); 8727d9fb455aadc0c0363489591775496f27f4a560aJens Axboe break; 8737d9fb455aadc0c0363489591775496f27f4a560aJens Axboe case VERIFY_CRC64: 8747d9fb455aadc0c0363489591775496f27f4a560aJens Axboe dprint(FD_VERIFY, "fill crc64 io_u %p, len %u\n", 8757d9fb455aadc0c0363489591775496f27f4a560aJens Axboe io_u, hdr->len); 8767d9fb455aadc0c0363489591775496f27f4a560aJens Axboe fill_crc64(hdr, data, data_len); 8777d9fb455aadc0c0363489591775496f27f4a560aJens Axboe break; 8787d9fb455aadc0c0363489591775496f27f4a560aJens Axboe case VERIFY_CRC32C: 8797d9fb455aadc0c0363489591775496f27f4a560aJens Axboe case VERIFY_CRC32C_INTEL: 8807d9fb455aadc0c0363489591775496f27f4a560aJens Axboe dprint(FD_VERIFY, "fill crc32c io_u %p, len %u\n", 8817d9fb455aadc0c0363489591775496f27f4a560aJens Axboe io_u, hdr->len); 8827d9fb455aadc0c0363489591775496f27f4a560aJens Axboe fill_crc32c(hdr, data, data_len); 8837d9fb455aadc0c0363489591775496f27f4a560aJens Axboe break; 8847d9fb455aadc0c0363489591775496f27f4a560aJens Axboe case VERIFY_CRC32: 8857d9fb455aadc0c0363489591775496f27f4a560aJens Axboe dprint(FD_VERIFY, "fill crc32 io_u %p, len %u\n", 8867d9fb455aadc0c0363489591775496f27f4a560aJens Axboe io_u, hdr->len); 8877d9fb455aadc0c0363489591775496f27f4a560aJens Axboe fill_crc32(hdr, data, data_len); 8887d9fb455aadc0c0363489591775496f27f4a560aJens Axboe break; 8897d9fb455aadc0c0363489591775496f27f4a560aJens Axboe case VERIFY_CRC16: 8907d9fb455aadc0c0363489591775496f27f4a560aJens Axboe dprint(FD_VERIFY, "fill crc16 io_u %p, len %u\n", 8917d9fb455aadc0c0363489591775496f27f4a560aJens Axboe io_u, hdr->len); 8927d9fb455aadc0c0363489591775496f27f4a560aJens Axboe fill_crc16(hdr, data, data_len); 8937d9fb455aadc0c0363489591775496f27f4a560aJens Axboe break; 8947d9fb455aadc0c0363489591775496f27f4a560aJens Axboe case VERIFY_CRC7: 8957d9fb455aadc0c0363489591775496f27f4a560aJens Axboe dprint(FD_VERIFY, "fill crc7 io_u %p, len %u\n", 8967d9fb455aadc0c0363489591775496f27f4a560aJens Axboe io_u, hdr->len); 8977d9fb455aadc0c0363489591775496f27f4a560aJens Axboe fill_crc7(hdr, data, data_len); 8987d9fb455aadc0c0363489591775496f27f4a560aJens Axboe break; 8997d9fb455aadc0c0363489591775496f27f4a560aJens Axboe case VERIFY_SHA256: 9007d9fb455aadc0c0363489591775496f27f4a560aJens Axboe dprint(FD_VERIFY, "fill sha256 io_u %p, len %u\n", 9017d9fb455aadc0c0363489591775496f27f4a560aJens Axboe io_u, hdr->len); 9027d9fb455aadc0c0363489591775496f27f4a560aJens Axboe fill_sha256(hdr, data, data_len); 9037d9fb455aadc0c0363489591775496f27f4a560aJens Axboe break; 9047d9fb455aadc0c0363489591775496f27f4a560aJens Axboe case VERIFY_SHA512: 9057d9fb455aadc0c0363489591775496f27f4a560aJens Axboe dprint(FD_VERIFY, "fill sha512 io_u %p, len %u\n", 9067d9fb455aadc0c0363489591775496f27f4a560aJens Axboe io_u, hdr->len); 9077d9fb455aadc0c0363489591775496f27f4a560aJens Axboe fill_sha512(hdr, data, data_len); 9087d9fb455aadc0c0363489591775496f27f4a560aJens Axboe break; 9097d9fb455aadc0c0363489591775496f27f4a560aJens Axboe case VERIFY_META: 9107d9fb455aadc0c0363489591775496f27f4a560aJens Axboe dprint(FD_VERIFY, "fill meta io_u %p, len %u\n", 9117d9fb455aadc0c0363489591775496f27f4a560aJens Axboe io_u, hdr->len); 9127d9fb455aadc0c0363489591775496f27f4a560aJens Axboe fill_meta(hdr, td, io_u, header_num); 9137d9fb455aadc0c0363489591775496f27f4a560aJens Axboe break; 9147d9fb455aadc0c0363489591775496f27f4a560aJens Axboe case VERIFY_SHA1: 9157d9fb455aadc0c0363489591775496f27f4a560aJens Axboe dprint(FD_VERIFY, "fill sha1 io_u %p, len %u\n", 9167d9fb455aadc0c0363489591775496f27f4a560aJens Axboe io_u, hdr->len); 9177d9fb455aadc0c0363489591775496f27f4a560aJens Axboe fill_sha1(hdr, data, data_len); 9187d9fb455aadc0c0363489591775496f27f4a560aJens Axboe break; 91992bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe case VERIFY_PATTERN: 92092bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe /* nothing to do here */ 92192bf48d530ab09bae4058df711c4723c73da51b9Jens Axboe break; 9227d9fb455aadc0c0363489591775496f27f4a560aJens Axboe default: 9237d9fb455aadc0c0363489591775496f27f4a560aJens Axboe log_err("fio: bad verify type: %d\n", td->o.verify); 9247d9fb455aadc0c0363489591775496f27f4a560aJens Axboe assert(0); 9257d9fb455aadc0c0363489591775496f27f4a560aJens Axboe } 9267d9fb455aadc0c0363489591775496f27f4a560aJens Axboe if (td->o.verify_offset) 9277d9fb455aadc0c0363489591775496f27f4a560aJens Axboe memswp(p, p + td->o.verify_offset, hdr_size(hdr)); 9287d9fb455aadc0c0363489591775496f27f4a560aJens Axboe} 9297d9fb455aadc0c0363489591775496f27f4a560aJens Axboe 930e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe/* 931e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe * fill body of io_u->buf with random data and add a header with the 932c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe * checksum of choice 933e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe */ 934e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboevoid populate_verify_io_u(struct thread_data *td, struct io_u *io_u) 935e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe{ 9369cc3d1506b9f7ce0a9dba38c32c418e54ea0b573Jens Axboe if (td->o.verify == VERIFY_NULL) 9379cc3d1506b9f7ce0a9dba38c32c418e54ea0b573Jens Axboe return; 9389cc3d1506b9f7ce0a9dba38c32c418e54ea0b573Jens Axboe 939c50ca7bd6d5b84e24e9ddcdb1765fb4070804503Jens Axboe fill_pattern_headers(td, io_u, 0, 0); 940e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe} 941e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe 942e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboeint get_next_verify(struct thread_data *td, struct io_u *io_u) 943e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe{ 9448de8f047bd025f12d23cfc3fc1793434c6d8ff94Jens Axboe struct io_piece *ipo = NULL; 945e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe 946d2d7fa53c18f1fc3fb89f3fe20df9b39986bde72Jens Axboe /* 947d2d7fa53c18f1fc3fb89f3fe20df9b39986bde72Jens Axboe * this io_u is from a requeue, we already filled the offsets 948d2d7fa53c18f1fc3fb89f3fe20df9b39986bde72Jens Axboe */ 949d2d7fa53c18f1fc3fb89f3fe20df9b39986bde72Jens Axboe if (io_u->file) 950d2d7fa53c18f1fc3fb89f3fe20df9b39986bde72Jens Axboe return 0; 951d2d7fa53c18f1fc3fb89f3fe20df9b39986bde72Jens Axboe 9528de8f047bd025f12d23cfc3fc1793434c6d8ff94Jens Axboe if (!RB_EMPTY_ROOT(&td->io_hist_tree)) { 9538de8f047bd025f12d23cfc3fc1793434c6d8ff94Jens Axboe struct rb_node *n = rb_first(&td->io_hist_tree); 954e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe 9558de8f047bd025f12d23cfc3fc1793434c6d8ff94Jens Axboe ipo = rb_entry(n, struct io_piece, rb_node); 9564b87898e8d76aaf05baec83077a11311c1447397Jens Axboe rb_erase(n, &td->io_hist_tree); 957a917a8b3dfeefdd7007ba2f46f21fc145574309dJens Axboe assert(ipo->flags & IP_F_ONRB); 958a917a8b3dfeefdd7007ba2f46f21fc145574309dJens Axboe ipo->flags &= ~IP_F_ONRB; 95901743ee1718e7ec4b16ae3e53c8f64900c6052ccJens Axboe } else if (!flist_empty(&td->io_hist_list)) { 96001743ee1718e7ec4b16ae3e53c8f64900c6052ccJens Axboe ipo = flist_entry(td->io_hist_list.next, struct io_piece, list); 96101743ee1718e7ec4b16ae3e53c8f64900c6052ccJens Axboe flist_del(&ipo->list); 962a917a8b3dfeefdd7007ba2f46f21fc145574309dJens Axboe assert(ipo->flags & IP_F_ONLIST); 963a917a8b3dfeefdd7007ba2f46f21fc145574309dJens Axboe ipo->flags &= ~IP_F_ONLIST; 9648de8f047bd025f12d23cfc3fc1793434c6d8ff94Jens Axboe } 965e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe 9668de8f047bd025f12d23cfc3fc1793434c6d8ff94Jens Axboe if (ipo) { 9670d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe td->io_hist_len--; 9680d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe 969e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe io_u->offset = ipo->offset; 970e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe io_u->buflen = ipo->len; 97136167d82e5f49dee91c6d2cd426068edee90e36fJens Axboe io_u->file = ipo->file; 97297af62cec418cd722fb43c6010d6430534e12353Jens Axboe 9730d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe if (ipo->flags & IP_F_TRIMMED) 9740d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe io_u->flags |= IO_U_F_TRIMMED; 9750d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe 976d6aed795f2e3e403828abf60874dd2d6e8342a1bJens Axboe if (!fio_file_open(io_u->file)) { 97797af62cec418cd722fb43c6010d6430534e12353Jens Axboe int r = td_io_open_file(td, io_u->file); 97897af62cec418cd722fb43c6010d6430534e12353Jens Axboe 979bd6f78b2f0b6375383948f126368804612ec0035Jens Axboe if (r) { 980bd6f78b2f0b6375383948f126368804612ec0035Jens Axboe dprint(FD_VERIFY, "failed file %s open\n", 981bd6f78b2f0b6375383948f126368804612ec0035Jens Axboe io_u->file->file_name); 98297af62cec418cd722fb43c6010d6430534e12353Jens Axboe return 1; 983bd6f78b2f0b6375383948f126368804612ec0035Jens Axboe } 98497af62cec418cd722fb43c6010d6430534e12353Jens Axboe } 98597af62cec418cd722fb43c6010d6430534e12353Jens Axboe 98697af62cec418cd722fb43c6010d6430534e12353Jens Axboe get_file(ipo->file); 987d6aed795f2e3e403828abf60874dd2d6e8342a1bJens Axboe assert(fio_file_open(io_u->file)); 988e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe io_u->ddir = DDIR_READ; 98936167d82e5f49dee91c6d2cd426068edee90e36fJens Axboe io_u->xfer_buf = io_u->buf; 99036167d82e5f49dee91c6d2cd426068edee90e36fJens Axboe io_u->xfer_buflen = io_u->buflen; 9910d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe 9920d29de831183dfd049c97a03008d425ce21e2fa4Jens Axboe remove_trim_entry(td, ipo); 993e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe free(ipo); 994bd6f78b2f0b6375383948f126368804612ec0035Jens Axboe dprint(FD_VERIFY, "get_next_verify: ret io_u %p\n", io_u); 995e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe return 0; 996e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe } 997e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe 998bd6f78b2f0b6375383948f126368804612ec0035Jens Axboe dprint(FD_VERIFY, "get_next_verify: empty\n"); 999e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe return 1; 1000e29d1b70a21e29801fb35dfbc1b236b7c8514055Jens Axboe} 1001e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe 1002e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboestatic void *verify_async_thread(void *data) 1003e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe{ 1004e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe struct thread_data *td = data; 1005e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe struct io_u *io_u; 1006e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe int ret = 0; 1007e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe 1008e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe if (td->o.verify_cpumask_set && 1009e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe fio_setaffinity(td->pid, td->o.verify_cpumask)) { 1010e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe log_err("fio: failed setting verify thread affinity\n"); 1011e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe goto done; 1012e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe } 1013e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe 1014e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe do { 1015e53ab27c7425241d64e8d64ad77850a776c01375Jens Axboe FLIST_HEAD(list); 1016e53ab27c7425241d64e8d64ad77850a776c01375Jens Axboe 1017e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe read_barrier(); 1018e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe if (td->verify_thread_exit) 1019e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe break; 1020e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe 1021e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe pthread_mutex_lock(&td->io_u_lock); 1022e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe 1023e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe while (flist_empty(&td->verify_list) && 1024e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe !td->verify_thread_exit) { 1025b36e298b5bdfc31ffc9a4c14e94a9c5c748888b0Jens Axboe ret = pthread_cond_wait(&td->verify_cond, 1026b36e298b5bdfc31ffc9a4c14e94a9c5c748888b0Jens Axboe &td->io_u_lock); 1027e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe if (ret) { 1028e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe pthread_mutex_unlock(&td->io_u_lock); 1029e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe break; 1030e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe } 1031e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe } 1032e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe 1033e53ab27c7425241d64e8d64ad77850a776c01375Jens Axboe flist_splice_init(&td->verify_list, &list); 1034e53ab27c7425241d64e8d64ad77850a776c01375Jens Axboe pthread_mutex_unlock(&td->io_u_lock); 1035e53ab27c7425241d64e8d64ad77850a776c01375Jens Axboe 1036e53ab27c7425241d64e8d64ad77850a776c01375Jens Axboe if (flist_empty(&list)) 1037e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe continue; 1038e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe 1039e53ab27c7425241d64e8d64ad77850a776c01375Jens Axboe while (!flist_empty(&list)) { 1040e53ab27c7425241d64e8d64ad77850a776c01375Jens Axboe io_u = flist_entry(list.next, struct io_u, list); 1041e53ab27c7425241d64e8d64ad77850a776c01375Jens Axboe flist_del_init(&io_u->list); 1042e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe 1043d561f2ab37ef5729882ef3c6e6ed8ee49414955fJens Axboe ret = verify_io_u(td, io_u); 1044e53ab27c7425241d64e8d64ad77850a776c01375Jens Axboe put_io_u(td, io_u); 1045d561f2ab37ef5729882ef3c6e6ed8ee49414955fJens Axboe if (!ret) 1046d561f2ab37ef5729882ef3c6e6ed8ee49414955fJens Axboe continue; 1047068420271828b3b2426ffc3ccf64404cb9d340fbSteven Lang if (td->o.continue_on_error & ERROR_TYPE_VERIFY && 1048d561f2ab37ef5729882ef3c6e6ed8ee49414955fJens Axboe td_non_fatal_error(ret)) { 1049d561f2ab37ef5729882ef3c6e6ed8ee49414955fJens Axboe update_error_count(td, ret); 1050d561f2ab37ef5729882ef3c6e6ed8ee49414955fJens Axboe td_clear_error(td); 1051d561f2ab37ef5729882ef3c6e6ed8ee49414955fJens Axboe ret = 0; 1052d561f2ab37ef5729882ef3c6e6ed8ee49414955fJens Axboe } 1053e53ab27c7425241d64e8d64ad77850a776c01375Jens Axboe } 1054e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe } while (!ret); 1055e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe 1056d561f2ab37ef5729882ef3c6e6ed8ee49414955fJens Axboe if (ret) { 1057d561f2ab37ef5729882ef3c6e6ed8ee49414955fJens Axboe td_verror(td, ret, "async_verify"); 1058f3e6cb95fecf867ec46e3dfd59ef1a1db1b6ad2aJens Axboe if (td->o.verify_fatal) 1059f3e6cb95fecf867ec46e3dfd59ef1a1db1b6ad2aJens Axboe td->terminate = 1; 1060d561f2ab37ef5729882ef3c6e6ed8ee49414955fJens Axboe } 1061d561f2ab37ef5729882ef3c6e6ed8ee49414955fJens Axboe 1062e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboedone: 1063e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe pthread_mutex_lock(&td->io_u_lock); 1064e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe td->nr_verify_threads--; 1065e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe pthread_mutex_unlock(&td->io_u_lock); 1066e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe 1067e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe pthread_cond_signal(&td->free_cond); 1068e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe return NULL; 1069e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe} 1070e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe 1071e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboeint verify_async_init(struct thread_data *td) 1072e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe{ 1073e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe int i, ret; 1074304a47c7d94f407cc72a87025679a67f02288447bart Van Assche pthread_attr_t attr; 1075304a47c7d94f407cc72a87025679a67f02288447bart Van Assche 1076304a47c7d94f407cc72a87025679a67f02288447bart Van Assche pthread_attr_init(&attr); 1077304a47c7d94f407cc72a87025679a67f02288447bart Van Assche pthread_attr_setstacksize(&attr, PTHREAD_STACK_MIN); 1078e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe 1079e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe td->verify_thread_exit = 0; 1080e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe 1081e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe td->verify_threads = malloc(sizeof(pthread_t) * td->o.verify_async); 1082e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe for (i = 0; i < td->o.verify_async; i++) { 1083304a47c7d94f407cc72a87025679a67f02288447bart Van Assche ret = pthread_create(&td->verify_threads[i], &attr, 1084e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe verify_async_thread, td); 1085e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe if (ret) { 1086e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe log_err("fio: async verify creation failed: %s\n", 1087e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe strerror(ret)); 1088e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe break; 1089e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe } 1090e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe ret = pthread_detach(td->verify_threads[i]); 1091e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe if (ret) { 1092e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe log_err("fio: async verify thread detach failed: %s\n", 1093e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe strerror(ret)); 1094e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe break; 1095e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe } 1096e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe td->nr_verify_threads++; 1097e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe } 1098e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe 1099304a47c7d94f407cc72a87025679a67f02288447bart Van Assche pthread_attr_destroy(&attr); 1100304a47c7d94f407cc72a87025679a67f02288447bart Van Assche 1101e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe if (i != td->o.verify_async) { 1102e40823b10920f679d84f3f2222e319c168b1e7daJens Axboe log_err("fio: only %d verify threads started, exiting\n", i); 1103e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe td->verify_thread_exit = 1; 1104e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe write_barrier(); 1105e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe pthread_cond_broadcast(&td->verify_cond); 1106e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe return 1; 1107e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe } 1108e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe 1109e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe return 0; 1110e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe} 1111e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe 1112e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboevoid verify_async_exit(struct thread_data *td) 1113e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe{ 1114e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe td->verify_thread_exit = 1; 1115e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe write_barrier(); 1116e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe pthread_cond_broadcast(&td->verify_cond); 1117e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe 1118e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe pthread_mutex_lock(&td->io_u_lock); 1119e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe 1120e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe while (td->nr_verify_threads) 1121e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe pthread_cond_wait(&td->free_cond, &td->io_u_lock); 1122e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe 1123e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe pthread_mutex_unlock(&td->io_u_lock); 1124e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe free(td->verify_threads); 1125e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe td->verify_threads = NULL; 1126e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37Jens Axboe} 1127