64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 1) /*
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 2) * Test cases for lib/hexdump.c module.
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 3) */
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 4) #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 5)
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 6) #include <linux/init.h>
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 7) #include <linux/kernel.h>
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 8) #include <linux/module.h>
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 9) #include <linux/random.h>
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 10) #include <linux/string.h>
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 11)
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 12) static const unsigned char data_b[] = {
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 13) '\xbe', '\x32', '\xdb', '\x7b', '\x0a', '\x18', '\x93', '\xb2', /* 00 - 07 */
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 14) '\x70', '\xba', '\xc4', '\x24', '\x7d', '\x83', '\x34', '\x9b', /* 08 - 0f */
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 15) '\xa6', '\x9c', '\x31', '\xad', '\x9c', '\x0f', '\xac', '\xe9', /* 10 - 17 */
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 16) '\x4c', '\xd1', '\x19', '\x99', '\x43', '\xb1', '\xaf', '\x0c', /* 18 - 1f */
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 17) };
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 18)
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 19) static const unsigned char data_a[] = ".2.{....p..$}.4...1.....L...C...";
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 20)
de9df3993cfff lib/test_hexdump.c (Christophe Leroy 2018-08-21 21:57:22 -0700 21) static const char * const test_data_1[] __initconst = {
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 22) "be", "32", "db", "7b", "0a", "18", "93", "b2",
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 23) "70", "ba", "c4", "24", "7d", "83", "34", "9b",
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 24) "a6", "9c", "31", "ad", "9c", "0f", "ac", "e9",
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 25) "4c", "d1", "19", "99", "43", "b1", "af", "0c",
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 26) };
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 27)
79e23d577b938 lib/test-hexdump.c (Geert Uytterhoeven 2015-06-25 15:02:11 -0700 28) static const char * const test_data_2_le[] __initconst = {
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 29) "32be", "7bdb", "180a", "b293",
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 30) "ba70", "24c4", "837d", "9b34",
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 31) "9ca6", "ad31", "0f9c", "e9ac",
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 32) "d14c", "9919", "b143", "0caf",
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 33) };
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 34)
de9df3993cfff lib/test_hexdump.c (Christophe Leroy 2018-08-21 21:57:22 -0700 35) static const char * const test_data_2_be[] __initconst = {
de9df3993cfff lib/test_hexdump.c (Christophe Leroy 2018-08-21 21:57:22 -0700 36) "be32", "db7b", "0a18", "93b2",
de9df3993cfff lib/test_hexdump.c (Christophe Leroy 2018-08-21 21:57:22 -0700 37) "70ba", "c424", "7d83", "349b",
de9df3993cfff lib/test_hexdump.c (Christophe Leroy 2018-08-21 21:57:22 -0700 38) "a69c", "31ad", "9c0f", "ace9",
de9df3993cfff lib/test_hexdump.c (Christophe Leroy 2018-08-21 21:57:22 -0700 39) "4cd1", "1999", "43b1", "af0c",
de9df3993cfff lib/test_hexdump.c (Christophe Leroy 2018-08-21 21:57:22 -0700 40) };
de9df3993cfff lib/test_hexdump.c (Christophe Leroy 2018-08-21 21:57:22 -0700 41)
79e23d577b938 lib/test-hexdump.c (Geert Uytterhoeven 2015-06-25 15:02:11 -0700 42) static const char * const test_data_4_le[] __initconst = {
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 43) "7bdb32be", "b293180a", "24c4ba70", "9b34837d",
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 44) "ad319ca6", "e9ac0f9c", "9919d14c", "0cafb143",
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 45) };
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 46)
de9df3993cfff lib/test_hexdump.c (Christophe Leroy 2018-08-21 21:57:22 -0700 47) static const char * const test_data_4_be[] __initconst = {
de9df3993cfff lib/test_hexdump.c (Christophe Leroy 2018-08-21 21:57:22 -0700 48) "be32db7b", "0a1893b2", "70bac424", "7d83349b",
de9df3993cfff lib/test_hexdump.c (Christophe Leroy 2018-08-21 21:57:22 -0700 49) "a69c31ad", "9c0face9", "4cd11999", "43b1af0c",
de9df3993cfff lib/test_hexdump.c (Christophe Leroy 2018-08-21 21:57:22 -0700 50) };
de9df3993cfff lib/test_hexdump.c (Christophe Leroy 2018-08-21 21:57:22 -0700 51)
79e23d577b938 lib/test-hexdump.c (Geert Uytterhoeven 2015-06-25 15:02:11 -0700 52) static const char * const test_data_8_le[] __initconst = {
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 53) "b293180a7bdb32be", "9b34837d24c4ba70",
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 54) "e9ac0f9cad319ca6", "0cafb1439919d14c",
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 55) };
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 56)
de9df3993cfff lib/test_hexdump.c (Christophe Leroy 2018-08-21 21:57:22 -0700 57) static const char * const test_data_8_be[] __initconst = {
de9df3993cfff lib/test_hexdump.c (Christophe Leroy 2018-08-21 21:57:22 -0700 58) "be32db7b0a1893b2", "70bac4247d83349b",
de9df3993cfff lib/test_hexdump.c (Christophe Leroy 2018-08-21 21:57:22 -0700 59) "a69c31ad9c0face9", "4cd1199943b1af0c",
de9df3993cfff lib/test_hexdump.c (Christophe Leroy 2018-08-21 21:57:22 -0700 60) };
de9df3993cfff lib/test_hexdump.c (Christophe Leroy 2018-08-21 21:57:22 -0700 61)
3db4a987180ac lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:58:50 -0800 62) #define FILL_CHAR '#'
3db4a987180ac lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:58:50 -0800 63)
7aaf4c3e1235c lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:07 -0800 64) static unsigned total_tests __initdata;
7aaf4c3e1235c lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:07 -0800 65) static unsigned failed_tests __initdata;
7aaf4c3e1235c lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:07 -0800 66)
87977ca6bcd05 lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:58:47 -0800 67) static void __init test_hexdump_prepare_test(size_t len, int rowsize,
87977ca6bcd05 lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:58:47 -0800 68) int groupsize, char *test,
87977ca6bcd05 lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:58:47 -0800 69) size_t testlen, bool ascii)
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 70) {
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 71) char *p;
17974c054db30 lib/test-hexdump.c (Linus Torvalds 2015-04-19 13:48:40 -0700 72) const char * const *result;
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 73) size_t l = len;
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 74) int gs = groupsize, rs = rowsize;
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 75) unsigned int i;
de9df3993cfff lib/test_hexdump.c (Christophe Leroy 2018-08-21 21:57:22 -0700 76) const bool is_be = IS_ENABLED(CONFIG_CPU_BIG_ENDIAN);
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 77)
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 78) if (rs != 16 && rs != 32)
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 79) rs = 16;
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 80)
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 81) if (l > rs)
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 82) l = rs;
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 83)
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 84) if (!is_power_of_2(gs) || gs > 8 || (len % gs != 0))
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 85) gs = 1;
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 86)
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 87) if (gs == 8)
de9df3993cfff lib/test_hexdump.c (Christophe Leroy 2018-08-21 21:57:22 -0700 88) result = is_be ? test_data_8_be : test_data_8_le;
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 89) else if (gs == 4)
de9df3993cfff lib/test_hexdump.c (Christophe Leroy 2018-08-21 21:57:22 -0700 90) result = is_be ? test_data_4_be : test_data_4_le;
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 91) else if (gs == 2)
de9df3993cfff lib/test_hexdump.c (Christophe Leroy 2018-08-21 21:57:22 -0700 92) result = is_be ? test_data_2_be : test_data_2_le;
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 93) else
de9df3993cfff lib/test_hexdump.c (Christophe Leroy 2018-08-21 21:57:22 -0700 94) result = test_data_1;
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 95)
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 96) /* hex dump */
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 97) p = test;
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 98) for (i = 0; i < l / gs; i++) {
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 99) const char *q = *result++;
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 100) size_t amount = strlen(q);
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 101)
b1286ed7158e9 lib/test_hexdump.c (Linus Torvalds 2018-11-30 12:13:15 -0800 102) memcpy(p, q, amount);
3db4a987180ac lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:58:50 -0800 103) p += amount;
3db4a987180ac lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:58:50 -0800 104)
3db4a987180ac lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:58:50 -0800 105) *p++ = ' ';
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 106) }
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 107) if (i)
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 108) p--;
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 109)
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 110) /* ASCII part */
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 111) if (ascii) {
3db4a987180ac lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:58:50 -0800 112) do {
3db4a987180ac lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:58:50 -0800 113) *p++ = ' ';
3db4a987180ac lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:58:50 -0800 114) } while (p < test + rs * 2 + rs / gs + 1);
3db4a987180ac lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:58:50 -0800 115)
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 116) strncpy(p, data_a, l);
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 117) p += l;
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 118) }
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 119)
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 120) *p = '\0';
87977ca6bcd05 lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:58:47 -0800 121) }
87977ca6bcd05 lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:58:47 -0800 122)
87977ca6bcd05 lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:58:47 -0800 123) #define TEST_HEXDUMP_BUF_SIZE (32 * 3 + 2 + 32 + 1)
87977ca6bcd05 lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:58:47 -0800 124)
87977ca6bcd05 lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:58:47 -0800 125) static void __init test_hexdump(size_t len, int rowsize, int groupsize,
87977ca6bcd05 lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:58:47 -0800 126) bool ascii)
87977ca6bcd05 lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:58:47 -0800 127) {
87977ca6bcd05 lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:58:47 -0800 128) char test[TEST_HEXDUMP_BUF_SIZE];
87977ca6bcd05 lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:58:47 -0800 129) char real[TEST_HEXDUMP_BUF_SIZE];
87977ca6bcd05 lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:58:47 -0800 130)
7aaf4c3e1235c lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:07 -0800 131) total_tests++;
7aaf4c3e1235c lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:07 -0800 132)
7047d813718c8 lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:58:58 -0800 133) memset(real, FILL_CHAR, sizeof(real));
87977ca6bcd05 lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:58:47 -0800 134) hex_dump_to_buffer(data_b, len, rowsize, groupsize, real, sizeof(real),
87977ca6bcd05 lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:58:47 -0800 135) ascii);
87977ca6bcd05 lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:58:47 -0800 136)
7047d813718c8 lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:58:58 -0800 137) memset(test, FILL_CHAR, sizeof(test));
87977ca6bcd05 lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:58:47 -0800 138) test_hexdump_prepare_test(len, rowsize, groupsize, test, sizeof(test),
87977ca6bcd05 lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:58:47 -0800 139) ascii);
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 140)
7047d813718c8 lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:58:58 -0800 141) if (memcmp(test, real, TEST_HEXDUMP_BUF_SIZE)) {
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 142) pr_err("Len: %zu row: %d group: %d\n", len, rowsize, groupsize);
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 143) pr_err("Result: '%s'\n", real);
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 144) pr_err("Expect: '%s'\n", test);
7aaf4c3e1235c lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:07 -0800 145) failed_tests++;
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 146) }
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 147) }
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 148)
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 149) static void __init test_hexdump_set(int rowsize, bool ascii)
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 150) {
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 151) size_t d = min_t(size_t, sizeof(data_b), rowsize);
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 152) size_t len = get_random_int() % d + 1;
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 153)
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 154) test_hexdump(len, rowsize, 4, ascii);
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 155) test_hexdump(len, rowsize, 2, ascii);
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 156) test_hexdump(len, rowsize, 8, ascii);
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 157) test_hexdump(len, rowsize, 1, ascii);
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 158) }
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 159)
1dacd9ddd359e lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:04 -0800 160) static void __init test_hexdump_overflow(size_t buflen, size_t len,
1dacd9ddd359e lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:04 -0800 161) int rowsize, int groupsize,
1dacd9ddd359e lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:04 -0800 162) bool ascii)
114fc1afb2de7 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:29 -0800 163) {
cc77a719a5cfd lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:01 -0800 164) char test[TEST_HEXDUMP_BUF_SIZE];
a3d601fcc2f94 lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:58:53 -0800 165) char buf[TEST_HEXDUMP_BUF_SIZE];
cc77a719a5cfd lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:01 -0800 166) int rs = rowsize, gs = groupsize;
cc77a719a5cfd lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:01 -0800 167) int ae, he, e, f, r;
114fc1afb2de7 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:29 -0800 168) bool a;
114fc1afb2de7 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:29 -0800 169)
7aaf4c3e1235c lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:07 -0800 170) total_tests++;
7aaf4c3e1235c lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:07 -0800 171)
3db4a987180ac lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:58:50 -0800 172) memset(buf, FILL_CHAR, sizeof(buf));
114fc1afb2de7 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:29 -0800 173)
ad27a7559a853 lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:58:56 -0800 174) r = hex_dump_to_buffer(data_b, len, rs, gs, buf, buflen, ascii);
ad27a7559a853 lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:58:56 -0800 175)
ad27a7559a853 lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:58:56 -0800 176) /*
ad27a7559a853 lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:58:56 -0800 177) * Caller must provide the data length multiple of groupsize. The
ad27a7559a853 lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:58:56 -0800 178) * calculations below are made with that assumption in mind.
ad27a7559a853 lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:58:56 -0800 179) */
ad27a7559a853 lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:58:56 -0800 180) ae = rs * 2 /* hex */ + rs / gs /* spaces */ + 1 /* space */ + len /* ascii */;
ad27a7559a853 lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:58:56 -0800 181) he = (gs * 2 /* hex */ + 1 /* space */) * len / gs - 1 /* no trailing space */;
114fc1afb2de7 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:29 -0800 182)
114fc1afb2de7 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:29 -0800 183) if (ascii)
ad27a7559a853 lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:58:56 -0800 184) e = ae;
114fc1afb2de7 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:29 -0800 185) else
ad27a7559a853 lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:58:56 -0800 186) e = he;
cc77a719a5cfd lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:01 -0800 187)
cc77a719a5cfd lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:01 -0800 188) f = min_t(int, e + 1, buflen);
cc77a719a5cfd lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:01 -0800 189) if (buflen) {
cc77a719a5cfd lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:01 -0800 190) test_hexdump_prepare_test(len, rs, gs, test, sizeof(test), ascii);
cc77a719a5cfd lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:01 -0800 191) test[f - 1] = '\0';
114fc1afb2de7 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:29 -0800 192) }
cc77a719a5cfd lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:01 -0800 193) memset(test + f, FILL_CHAR, sizeof(test) - f);
cc77a719a5cfd lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:01 -0800 194)
cc77a719a5cfd lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:01 -0800 195) a = r == e && !memcmp(test, buf, TEST_HEXDUMP_BUF_SIZE);
cc77a719a5cfd lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:01 -0800 196)
cc77a719a5cfd lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:01 -0800 197) buf[sizeof(buf) - 1] = '\0';
114fc1afb2de7 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:29 -0800 198)
114fc1afb2de7 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:29 -0800 199) if (!a) {
cc77a719a5cfd lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:01 -0800 200) pr_err("Len: %zu buflen: %zu strlen: %zu\n",
cc77a719a5cfd lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:01 -0800 201) len, buflen, strnlen(buf, sizeof(buf)));
cc77a719a5cfd lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:01 -0800 202) pr_err("Result: %d '%s'\n", r, buf);
cc77a719a5cfd lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:01 -0800 203) pr_err("Expect: %d '%s'\n", e, test);
7aaf4c3e1235c lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:07 -0800 204) failed_tests++;
114fc1afb2de7 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:29 -0800 205) }
114fc1afb2de7 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:29 -0800 206) }
114fc1afb2de7 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:29 -0800 207)
1dacd9ddd359e lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:04 -0800 208) static void __init test_hexdump_overflow_set(size_t buflen, bool ascii)
1dacd9ddd359e lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:04 -0800 209) {
1dacd9ddd359e lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:04 -0800 210) unsigned int i = 0;
1dacd9ddd359e lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:04 -0800 211) int rs = (get_random_int() % 2 + 1) * 16;
1dacd9ddd359e lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:04 -0800 212)
1dacd9ddd359e lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:04 -0800 213) do {
1dacd9ddd359e lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:04 -0800 214) int gs = 1 << i;
1dacd9ddd359e lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:04 -0800 215) size_t len = get_random_int() % rs + gs;
1dacd9ddd359e lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:04 -0800 216)
1dacd9ddd359e lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:04 -0800 217) test_hexdump_overflow(buflen, rounddown(len, gs), rs, gs, ascii);
1dacd9ddd359e lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:04 -0800 218) } while (i++ < 3);
1dacd9ddd359e lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:04 -0800 219) }
1dacd9ddd359e lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:04 -0800 220)
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 221) static int __init test_hexdump_init(void)
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 222) {
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 223) unsigned int i;
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 224) int rowsize;
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 225)
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 226) rowsize = (get_random_int() % 2 + 1) * 16;
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 227) for (i = 0; i < 16; i++)
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 228) test_hexdump_set(rowsize, false);
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 229)
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 230) rowsize = (get_random_int() % 2 + 1) * 16;
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 231) for (i = 0; i < 16; i++)
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 232) test_hexdump_set(rowsize, true);
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 233)
a3d601fcc2f94 lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:58:53 -0800 234) for (i = 0; i <= TEST_HEXDUMP_BUF_SIZE; i++)
1dacd9ddd359e lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:04 -0800 235) test_hexdump_overflow_set(i, false);
114fc1afb2de7 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:29 -0800 236)
a3d601fcc2f94 lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:58:53 -0800 237) for (i = 0; i <= TEST_HEXDUMP_BUF_SIZE; i++)
1dacd9ddd359e lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:04 -0800 238) test_hexdump_overflow_set(i, true);
114fc1afb2de7 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:29 -0800 239)
7aaf4c3e1235c lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:07 -0800 240) if (failed_tests == 0)
7aaf4c3e1235c lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:07 -0800 241) pr_info("all %u tests passed\n", total_tests);
7aaf4c3e1235c lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:07 -0800 242) else
7aaf4c3e1235c lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:07 -0800 243) pr_err("failed %u out of %u tests\n", failed_tests, total_tests);
7aaf4c3e1235c lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:07 -0800 244)
7aaf4c3e1235c lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:07 -0800 245) return failed_tests ? -EINVAL : 0;
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 246) }
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 247) module_init(test_hexdump_init);
7aaf4c3e1235c lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:07 -0800 248)
7aaf4c3e1235c lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:07 -0800 249) static void __exit test_hexdump_exit(void)
7aaf4c3e1235c lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:07 -0800 250) {
7aaf4c3e1235c lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:07 -0800 251) /* do nothing */
7aaf4c3e1235c lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:07 -0800 252) }
7aaf4c3e1235c lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:07 -0800 253) module_exit(test_hexdump_exit);
7aaf4c3e1235c lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:07 -0800 254)
7aaf4c3e1235c lib/test_hexdump.c (Andy Shevchenko 2016-01-20 14:59:07 -0800 255) MODULE_AUTHOR("Andy Shevchenko <andriy.shevchenko@linux.intel.com>");
64d1d77a44697 lib/test-hexdump.c (Andy Shevchenko 2015-02-12 15:02:21 -0800 256) MODULE_LICENSE("Dual BSD/GPL");
VisionFive2 Linux kernel
StarFive Tech Linux Kernel for VisionFive (JH7110) boards (mirror)
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