1 /* 2 * Copyright (c) Crackerjack Project., 2007 3 * Copyright (c) 2011-2017 Cyril Hrubis <chrubis (at) suse.cz> 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation; either version 2 of the License, or 8 * (at your option) any later version. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 13 * the GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program; if not, write to the Free Software 17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 18 */ 19 20 /* Porting from Crackerjack to LTP is done 21 by Masatake YAMATO <yamato (at) redhat.com> */ 22 23 #include <errno.h> 24 #include <string.h> 25 #include <fcntl.h> 26 27 #include "config.h" 28 #include "tst_test.h" 29 30 #ifdef HAVE_LIBAIO 31 #include <libaio.h> 32 33 static io_context_t ctx; 34 static io_context_t invalid_ctx; 35 36 static struct iocb iocb; 37 static struct iocb *iocbs[] = {&iocb}; 38 39 static struct iocb inv_fd_iocb; 40 static struct iocb *inv_fd_iocbs[] = {&inv_fd_iocb}; 41 42 static int rdonly_fd; 43 static struct iocb rdonly_fd_iocb; 44 static struct iocb *rdonly_fd_iocbs[] = {&rdonly_fd_iocb}; 45 46 static int wronly_fd; 47 static struct iocb wronly_fd_iocb; 48 static struct iocb *wronly_fd_iocbs[] = {&wronly_fd_iocb}; 49 50 static struct iocb zero_buf_iocb; 51 static struct iocb *zero_buf_iocbs[] = {&zero_buf_iocb}; 52 53 static struct iocb *zero_iocbs[1]; 54 55 static char buf[100]; 56 57 static struct tcase { 58 io_context_t *ctx; 59 long nr; 60 struct iocb **iocbs; 61 int exp_errno; 62 const char *desc; 63 } tcases[] = { 64 /* Invalid ctx */ 65 {&invalid_ctx, 1, iocbs, -EINVAL, "invalid ctx"}, 66 /* Invalid nr */ 67 {&ctx, -1, iocbs, -EINVAL, "invalid nr"}, 68 /* Invalid pointer */ 69 {&ctx, 1, (void*)-1, -EFAULT, "invalid iocbpp pointer"}, 70 {&ctx, 1, zero_iocbs, -EFAULT, "NULL iocb pointers"}, 71 /* Invalid fd */ 72 {&ctx, 1, inv_fd_iocbs, -EBADF, "invalid fd"}, 73 {&ctx, 1, rdonly_fd_iocbs, -EBADF, "readonly fd for write"}, 74 {&ctx, 1, wronly_fd_iocbs, -EBADF, "writeonly fd for read"}, 75 /* No-op but should work fine */ 76 {&ctx, 1, zero_buf_iocbs, 1, "zero buf size"}, 77 {&ctx, 0, NULL, 0, "zero nr"}, 78 }; 79 80 static void setup(void) 81 { 82 int rval; 83 84 rval = io_setup(1, &ctx); 85 if (rval) 86 tst_brk(TBROK | TERRNO, "io_setup() returned %d", rval); 87 88 io_prep_pread(&inv_fd_iocb, -1, buf, sizeof(buf), 0); 89 90 rdonly_fd = SAFE_OPEN("rdonly_file", O_RDONLY | O_CREAT, 0777); 91 io_prep_pwrite(&rdonly_fd_iocb, rdonly_fd, buf, sizeof(buf), 0); 92 93 io_prep_pread(&zero_buf_iocb, rdonly_fd, buf, 0, 0); 94 95 wronly_fd = SAFE_OPEN("wronly_file", O_WRONLY | O_CREAT, 0777); 96 io_prep_pread(&wronly_fd_iocb, wronly_fd, buf, sizeof(buf), 0); 97 } 98 99 static void cleanup(void) 100 { 101 if (rdonly_fd > 0) 102 SAFE_CLOSE(rdonly_fd); 103 104 if (wronly_fd > 0) 105 SAFE_CLOSE(wronly_fd); 106 } 107 108 static const char *errno_name(int err) 109 { 110 if (err <= 0) 111 return tst_strerrno(-err); 112 113 return "SUCCESS"; 114 } 115 116 static void verify_io_submit(unsigned int n) 117 { 118 struct tcase *t = &tcases[n]; 119 int ret; 120 121 ret = io_submit(*t->ctx, t->nr, t->iocbs); 122 123 if (ret == t->exp_errno) { 124 tst_res(TPASS, "io_submit() with %s failed with %s", 125 t->desc, errno_name(t->exp_errno)); 126 return; 127 } 128 129 tst_res(TFAIL, "io_submit() returned %i(%s), expected %s(%i)", 130 ret, ret < 0 ? tst_strerrno(-ret) : "SUCCESS", 131 errno_name(t->exp_errno), t->exp_errno); 132 } 133 134 static struct tst_test test = { 135 .setup = setup, 136 .cleanup = cleanup, 137 .test = verify_io_submit, 138 .tcnt = ARRAY_SIZE(tcases), 139 .needs_tmpdir = 1, 140 }; 141 142 #else 143 TST_TEST_TCONF("test requires libaio and it's development packages"); 144 #endif 145
