1142976Sambrisko/*- 2142976Sambrisko * Copyright (C) 2005 IronPort Systems, Inc. All rights reserved. 3142976Sambrisko * 4142976Sambrisko * Redistribution and use in source and binary forms, with or without 5142976Sambrisko * modification, are permitted provided that the following conditions 6142976Sambrisko * are met: 7142976Sambrisko * 1. Redistributions of source code must retain the above copyright 8142976Sambrisko * notice, this list of conditions and the following disclaimer. 9142976Sambrisko * 2. Redistributions in binary form must reproduce the above copyright 10142976Sambrisko * notice, this list of conditions and the following disclaimer in the 11142976Sambrisko * documentation and/or other materials provided with the distribution. 12142976Sambrisko * 13142976Sambrisko * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14142976Sambrisko * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15142976Sambrisko * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16142976Sambrisko * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17142976Sambrisko * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18142976Sambrisko * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19142976Sambrisko * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20142976Sambrisko * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21142976Sambrisko * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22142976Sambrisko * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23142976Sambrisko * SUCH DAMAGE. 24142976Sambrisko * 25142976Sambrisko * $FreeBSD: stable/10/tests/sys/aio/lio_kqueue_test.c 319344 2017-05-31 17:20:55Z asomers $ 26142976Sambrisko */ 27142976Sambrisko 28142976Sambrisko/* 29142976Sambrisko * Note: it is a good idea to run this against a physical drive to 30142976Sambrisko * exercise the physio fast path (ie. lio_kqueue /dev/<something safe>) 31142976Sambrisko * This will ensure op's counting is correct. It is currently broken. 32142976Sambrisko * 33142976Sambrisko * Also note that LIO & kqueue is not implemented in FreeBSD yet, LIO 34142976Sambrisko * is also broken with respect to op's and some paths. 35142976Sambrisko * 36142976Sambrisko * A patch to make this work is at: 37142976Sambrisko * http://www.ambrisko.com/doug/listio_kqueue/listio_kqueue.patch 38142976Sambrisko */ 39142976Sambrisko 40280894Sngie#include <sys/types.h> 41280894Sngie#include <sys/event.h> 42280894Sngie#include <sys/time.h> 43142976Sambrisko#include <aio.h> 44142976Sambrisko#include <fcntl.h> 45293140Sngie#include <err.h> 46280894Sngie#include <errno.h> 47142976Sambrisko#include <stdio.h> 48280894Sngie#include <stdlib.h> 49280894Sngie#include <string.h> 50142976Sambrisko#include <unistd.h> 51142976Sambrisko 52282858Sngie#include "freebsd_test_suite/macros.h" 53142976Sambrisko 54282858Sngie#define PATH_TEMPLATE "aio.XXXXXXXXXX" 55282858Sngie 56142976Sambrisko#define LIO_MAX 5 57319344Sasomers#define IOCBS_PER_LIO 16 58319344Sasomers#define MAX_IOCBS (LIO_MAX * IOCBS_PER_LIO) 59142976Sambrisko#define MAX_RUNS 300 60142976Sambrisko 61280894Sngieint 62293140Sngiemain(int argc, char *argv[]) 63293140Sngie{ 64142976Sambrisko int fd; 65282858Sngie struct aiocb *iocb[MAX_IOCBS]; 66293140Sngie struct aiocb **lio[LIO_MAX], **kq_lio; 67142976Sambrisko int i, result, run, error, j, k; 68142976Sambrisko char buffer[32768]; 69293140Sngie int kq; 70142976Sambrisko struct kevent ke, kq_returned; 71142976Sambrisko struct timespec ts; 72142976Sambrisko struct sigevent sig; 73142976Sambrisko time_t time1, time2; 74293140Sngie char *file, pathname[sizeof(PATH_TEMPLATE)]; 75142976Sambrisko int tmp_file = 0, failed = 0; 76280894Sngie 77282858Sngie PLAIN_REQUIRE_KERNEL_MODULE("aio", 0); 78282858Sngie 79293140Sngie kq = kqueue(); 80293140Sngie if (kq < 0) 81293140Sngie err(1, "kqeueue(2) failed"); 82142976Sambrisko 83142976Sambrisko if (argc == 1) { 84142976Sambrisko strcpy(pathname, PATH_TEMPLATE); 85142976Sambrisko fd = mkstemp(pathname); 86142976Sambrisko file = pathname; 87142976Sambrisko tmp_file = 1; 88142976Sambrisko } else { 89142976Sambrisko file = argv[1]; 90142976Sambrisko fd = open(file, O_RDWR|O_CREAT, 0666); 91142976Sambrisko } 92293140Sngie if (fd < 0) 93293140Sngie err(1, "can't open %s", argv[1]); 94142976Sambrisko 95142976Sambrisko#ifdef DEBUG 96142976Sambrisko printf("Hello kq %d fd %d\n", kq, fd); 97142976Sambrisko#endif 98280894Sngie 99293140Sngie for (run = 0; run < MAX_RUNS; run++) { 100142976Sambrisko#ifdef DEBUG 101142976Sambrisko printf("Run %d\n", run); 102142976Sambrisko#endif 103142976Sambrisko for (j = 0; j < LIO_MAX; j++) { 104293140Sngie lio[j] = 105319344Sasomers malloc(sizeof(struct aiocb *) * IOCBS_PER_LIO); 106319344Sasomers for (i = 0; i < IOCBS_PER_LIO; i++) { 107319344Sasomers k = (IOCBS_PER_LIO * j) + i; 108293140Sngie lio[j][i] = iocb[k] = 109293140Sngie calloc(1, sizeof(struct aiocb)); 110142976Sambrisko iocb[k]->aio_nbytes = sizeof(buffer); 111142976Sambrisko iocb[k]->aio_buf = buffer; 112142976Sambrisko iocb[k]->aio_fildes = fd; 113293140Sngie iocb[k]->aio_offset 114293140Sngie = iocb[k]->aio_nbytes * k * (run + 1); 115142976Sambrisko 116142976Sambrisko#ifdef DEBUG 117319344Sasomers printf("hello iocb[k] %ld\n", 118142976Sambrisko iocb[k]->aio_offset); 119142976Sambrisko#endif 120142976Sambrisko iocb[k]->aio_lio_opcode = LIO_WRITE; 121142976Sambrisko } 122142976Sambrisko sig.sigev_notify_kqueue = kq; 123154668Sdavidxu sig.sigev_value.sival_ptr = lio[j]; 124142976Sambrisko sig.sigev_notify = SIGEV_KEVENT; 125142976Sambrisko time(&time1); 126142976Sambrisko result = lio_listio(LIO_NOWAIT, lio[j], 127319344Sasomers IOCBS_PER_LIO, &sig); 128142976Sambrisko error = errno; 129142976Sambrisko time(&time2); 130142976Sambrisko#ifdef DEBUG 131319344Sasomers printf("Time %ld %ld %ld result -> %d\n", 132142976Sambrisko time1, time2, time2-time1, result); 133142976Sambrisko#endif 134142976Sambrisko if (result != 0) { 135142976Sambrisko errno = error; 136293140Sngie err(1, "FAIL: Result %d iteration %d\n", 137293140Sngie result, j); 138142976Sambrisko } 139142976Sambrisko#ifdef DEBUG 140142976Sambrisko printf("write %d is at %p\n", j, lio[j]); 141142976Sambrisko#endif 142142976Sambrisko } 143280894Sngie 144293140Sngie for (i = 0; i < LIO_MAX; i++) { 145293140Sngie for (j = LIO_MAX - 1; j >=0; j--) { 146142976Sambrisko if (lio[j]) 147142976Sambrisko break; 148142976Sambrisko } 149280894Sngie 150293140Sngie for (;;) { 151142976Sambrisko bzero(&ke, sizeof(ke)); 152142976Sambrisko bzero(&kq_returned, sizeof(ke)); 153142976Sambrisko ts.tv_sec = 0; 154142976Sambrisko ts.tv_nsec = 1; 155142976Sambrisko#ifdef DEBUG 156142976Sambrisko printf("FOO lio %d -> %p\n", j, lio[j]); 157142976Sambrisko#endif 158293140Sngie EV_SET(&ke, (uintptr_t)lio[j], 159142976Sambrisko EVFILT_LIO, EV_ONESHOT, 0, 0, iocb[j]); 160293140Sngie result = kevent(kq, NULL, 0, 161142976Sambrisko &kq_returned, 1, &ts); 162142976Sambrisko error = errno; 163142976Sambrisko if (result < 0) { 164142976Sambrisko perror("kevent error: "); 165142976Sambrisko } 166142976Sambrisko kq_lio = kq_returned.udata; 167142976Sambrisko#ifdef DEBUG 168142976Sambrisko printf("kevent %d %d errno %d return.ident %p " 169293140Sngie "return.data %p return.udata %p %p\n", 170293140Sngie i, result, error, 171319344Sasomers (void*)kq_returned.ident, 172319344Sasomers (void*)kq_returned.data, 173293140Sngie kq_returned.udata, 174142976Sambrisko lio[j]); 175142976Sambrisko#endif 176280894Sngie 177293140Sngie if (kq_lio) 178142976Sambrisko break; 179142976Sambrisko#ifdef DEBUG 180142976Sambrisko printf("Try again\n"); 181142976Sambrisko#endif 182280894Sngie } 183280894Sngie 184142976Sambrisko#ifdef DEBUG 185142976Sambrisko printf("lio %p\n", lio); 186142976Sambrisko#endif 187280894Sngie 188142976Sambrisko for (j = 0; j < LIO_MAX; j++) { 189293140Sngie if (lio[j] == kq_lio) 190142976Sambrisko break; 191142976Sambrisko } 192293140Sngie if (j == LIO_MAX) 193293140Sngie errx(1, "FAIL: "); 194142976Sambrisko 195142976Sambrisko#ifdef DEBUG 196142976Sambrisko printf("Error Result for %d is %d\n", j, result); 197142976Sambrisko#endif 198142976Sambrisko if (result < 0) { 199142976Sambrisko printf("FAIL: run %d, operation %d result %d \n", run, LIO_MAX - i -1, result); 200293140Sngie failed++; 201293140Sngie } else 202142976Sambrisko printf("PASS: run %d, operation %d result %d \n", run, LIO_MAX - i -1, result); 203293140Sngie for (k = 0; k < MAX_IOCBS / LIO_MAX; k++) { 204280894Sngie result = aio_return(kq_lio[k]); 205142976Sambrisko#ifdef DEBUG 206142976Sambrisko printf("Return Resulto for %d %d is %d\n", j, k, result); 207142976Sambrisko#endif 208142976Sambrisko if (result != sizeof(buffer)) { 209280894Sngie printf("FAIL: run %d, operation %d sub-opt %d result %d (errno=%d) should be %zu\n", 210142976Sambrisko run, LIO_MAX - i -1, k, result, errno, sizeof(buffer)); 211142976Sambrisko } else { 212142976Sambrisko printf("PASS: run %d, operation %d sub-opt %d result %d\n", 213142976Sambrisko run, LIO_MAX - i -1, k, result); 214142976Sambrisko } 215142976Sambrisko } 216142976Sambrisko#ifdef DEBUG 217142976Sambrisko printf("\n"); 218142976Sambrisko#endif 219280894Sngie 220293140Sngie for (k = 0; k < MAX_IOCBS / LIO_MAX; k++) 221142976Sambrisko free(lio[j][k]); 222142976Sambrisko free(lio[j]); 223142976Sambrisko lio[j] = NULL; 224280894Sngie } 225142976Sambrisko } 226142976Sambrisko#ifdef DEBUG 227142976Sambrisko printf("Done\n"); 228142976Sambrisko#endif 229142976Sambrisko 230293140Sngie if (tmp_file) 231142976Sambrisko unlink(pathname); 232142976Sambrisko 233293140Sngie if (failed) 234293140Sngie errx(1, "FAIL: %d testcases failed", failed); 235293140Sngie else 236293140Sngie errx(0, "PASS: All\n"); 237293140Sngie 238142976Sambrisko} 239