134 lines
3.3 KiB
C
134 lines
3.3 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) 2020 Viresh Kumar <viresh.kumar@linaro.org>
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*
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* Description:
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* Basic io_pgetevents() test to check various failures.
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*/
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#include "time64_variants.h"
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#include "tst_test.h"
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#include "tst_timer.h"
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#include "lapi/io_pgetevents.h"
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#ifdef HAVE_LIBAIO
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static sigset_t sigmask;
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static struct io_event events[1];
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static io_context_t ctx, invalid_ctx = 0;
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static int fd, ctx_initialized;
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static struct tst_ts to;
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static void *bad_addr;
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static struct tcase {
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char *name;
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io_context_t *ctx;
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long min_nr;
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long max_nr;
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struct io_event *events;
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struct tst_ts *timeout;
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sigset_t *sigmask;
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int exp_errno;
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} tcases[] = {
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{"invalid ctx", &invalid_ctx, 1, 1, events, &to, &sigmask, EINVAL},
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{"invalid min_nr", &ctx, -1, 1, events, &to, &sigmask, EINVAL},
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{"invalid max_nr", &ctx, 1, -1, events, &to, &sigmask, EINVAL},
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{"invalid events", &ctx, 1, 1, NULL, &to, &sigmask, EFAULT},
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{"invalid timeout", &ctx, 1, 1, events, NULL, &sigmask, EFAULT},
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{"invalid sigmask", &ctx, 1, 1, events, &to, NULL, EFAULT},
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};
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static struct time64_variants variants[] = {
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#if (__NR_io_pgetevents != __LTP__NR_INVALID_SYSCALL)
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{ .io_pgetevents = sys_io_pgetevents, .ts_type = TST_KERN_OLD_TIMESPEC, .desc = "syscall with old kernel spec"},
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#endif
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#if (__NR_io_pgetevents_time64 != __LTP__NR_INVALID_SYSCALL)
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{ .io_pgetevents = sys_io_pgetevents_time64, .ts_type = TST_KERN_TIMESPEC, .desc = "syscall time64 with kernel spec"},
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#endif
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};
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static void setup(void)
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{
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struct time64_variants *tv = &variants[tst_variant];
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struct iocb cb, *cbs[1];
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char data[4096];
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int ret;
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tst_res(TINFO, "Testing variant: %s", tv->desc);
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bad_addr = tst_get_bad_addr(NULL);
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to = tst_ts_from_ns(tv->ts_type, 10000);
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cbs[0] = &cb;
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sigemptyset(&sigmask);
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fd = SAFE_OPEN("io_pgetevents_file", O_RDWR | O_CREAT, 0644);
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io_prep_pwrite(&cb, fd, data, 4096, 0);
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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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if (TST_RET < 0)
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tst_brk(TBROK | TRERRNO, "io_setup() failed");
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ctx_initialized = 1;
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ret = io_submit(ctx, 1, cbs);
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if (ret != 1)
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tst_brk(TBROK | TERRNO, "io_submit() failed");
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}
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static void cleanup(void)
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{
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if (ctx_initialized) {
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if (io_destroy(ctx) < 0)
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tst_res(TWARN | TERRNO, "io_destroy() failed");
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}
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if (fd > 0)
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SAFE_CLOSE(fd);
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}
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static void run(unsigned int n)
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{
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struct time64_variants *tv = &variants[tst_variant];
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struct tcase *tc = &tcases[n];
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struct timespec *to;
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sigset_t *sigmask;
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sigmask = tc->sigmask ? tc->sigmask : bad_addr;
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to = tc->timeout ? tc->timeout : bad_addr;
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TEST(tv->io_pgetevents(*tc->ctx, tc->min_nr, tc->max_nr, tc->events, to,
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sigmask));
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if (TST_RET == 1) {
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tst_res(TFAIL, "%s: io_pgetevents() passed unexpectedly",
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tc->name);
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return;
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}
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if (tc->exp_errno != TST_ERR) {
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tst_res(TFAIL | TTERRNO, "%s: io_pgetevents() should fail with %s",
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tc->name, tst_strerrno(tc->exp_errno));
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return;
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}
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tst_res(TPASS | TTERRNO, "%s: io_pgetevents() failed as expected",
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tc->name);
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}
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static struct tst_test test = {
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.min_kver = "4.18",
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.needs_tmpdir = 1,
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.tcnt = ARRAY_SIZE(tcases),
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.test = run,
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.test_variants = ARRAY_SIZE(variants),
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.setup = setup,
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.cleanup = cleanup,
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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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