132 lines
3.1 KiB
C
132 lines
3.1 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) Crackerjack Project., 2007
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* Copyright (c) 2011-2017 Cyril Hrubis <chrubis@suse.cz>
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*/
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/* Porting from Crackerjack to LTP is done
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by Masatake YAMATO <yamato@redhat.com> */
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#include <errno.h>
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#include <string.h>
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#include <fcntl.h>
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#include "config.h"
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#include "tst_test.h"
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#ifdef HAVE_LIBAIO
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#include <libaio.h>
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static io_context_t ctx;
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static io_context_t invalid_ctx;
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static struct iocb iocb;
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static struct iocb *iocbs[] = {&iocb};
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static struct iocb inv_fd_iocb;
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static struct iocb *inv_fd_iocbs[] = {&inv_fd_iocb};
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static int rdonly_fd;
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static struct iocb rdonly_fd_iocb;
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static struct iocb *rdonly_fd_iocbs[] = {&rdonly_fd_iocb};
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static int wronly_fd;
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static struct iocb wronly_fd_iocb;
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static struct iocb *wronly_fd_iocbs[] = {&wronly_fd_iocb};
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static struct iocb zero_buf_iocb;
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static struct iocb *zero_buf_iocbs[] = {&zero_buf_iocb};
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static struct iocb *zero_iocbs[1];
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static char buf[100];
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static struct tcase {
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io_context_t *ctx;
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long nr;
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struct iocb **iocbs;
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int exp_errno;
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const char *desc;
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} tcases[] = {
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/* Invalid ctx */
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{&invalid_ctx, 1, iocbs, -EINVAL, "invalid ctx"},
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/* Invalid nr */
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{&ctx, -1, iocbs, -EINVAL, "invalid nr"},
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/* Invalid pointer */
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{&ctx, 1, (void*)-1, -EFAULT, "invalid iocbpp pointer"},
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{&ctx, 1, zero_iocbs, -EFAULT, "NULL iocb pointers"},
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/* Invalid fd */
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{&ctx, 1, inv_fd_iocbs, -EBADF, "invalid fd"},
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{&ctx, 1, rdonly_fd_iocbs, -EBADF, "readonly fd for write"},
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{&ctx, 1, wronly_fd_iocbs, -EBADF, "writeonly fd for read"},
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/* No-op but should work fine */
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{&ctx, 1, zero_buf_iocbs, 1, "zero buf size"},
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{&ctx, 0, NULL, 0, "zero nr"},
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};
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static void setup(void)
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{
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TEST(io_setup(1, &ctx));
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if (TST_RET == -ENOSYS)
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tst_brk(TCONF | TRERRNO, "io_setup(): AIO not supported by kernel");
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else if (TST_RET)
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tst_brk(TBROK | TRERRNO, "io_setup() failed");
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io_prep_pread(&inv_fd_iocb, -1, buf, sizeof(buf), 0);
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rdonly_fd = SAFE_OPEN("rdonly_file", O_RDONLY | O_CREAT, 0777);
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io_prep_pwrite(&rdonly_fd_iocb, rdonly_fd, buf, sizeof(buf), 0);
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io_prep_pread(&zero_buf_iocb, rdonly_fd, buf, 0, 0);
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wronly_fd = SAFE_OPEN("wronly_file", O_WRONLY | O_CREAT, 0777);
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io_prep_pread(&wronly_fd_iocb, wronly_fd, buf, sizeof(buf), 0);
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}
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static void cleanup(void)
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{
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if (rdonly_fd > 0)
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SAFE_CLOSE(rdonly_fd);
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if (wronly_fd > 0)
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SAFE_CLOSE(wronly_fd);
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}
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static const char *errno_name(int err)
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{
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if (err <= 0)
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return tst_strerrno(-err);
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return "SUCCESS";
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}
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static void verify_io_submit(unsigned int n)
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{
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struct tcase *t = &tcases[n];
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int ret;
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ret = io_submit(*t->ctx, t->nr, t->iocbs);
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if (ret == t->exp_errno) {
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tst_res(TPASS, "io_submit() with %s failed with %s",
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t->desc, errno_name(t->exp_errno));
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return;
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}
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tst_res(TFAIL, "io_submit() returned %i(%s), expected %s(%i)",
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ret, ret < 0 ? tst_strerrno(-ret) : "SUCCESS",
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errno_name(t->exp_errno), t->exp_errno);
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}
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static struct tst_test test = {
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.setup = setup,
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.cleanup = cleanup,
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.test = verify_io_submit,
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.tcnt = ARRAY_SIZE(tcases),
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.needs_tmpdir = 1,
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};
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#else
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TST_TEST_TCONF("test requires libaio and it's development packages");
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#endif
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