1097 lines
21 KiB
C
1097 lines
21 KiB
C
/* SPDX-License-Identifier: MIT */
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/*
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* Description: run various linked timeout cases
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*
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*/
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#include <errno.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <string.h>
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#include <fcntl.h>
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#include <sys/poll.h>
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#include "liburing.h"
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static int test_fail_lone_link_timeouts(struct io_uring *ring)
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{
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struct __kernel_timespec ts;
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struct io_uring_cqe *cqe;
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struct io_uring_sqe *sqe;
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int ret;
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sqe = io_uring_get_sqe(ring);
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if (!sqe) {
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printf("get sqe failed\n");
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goto err;
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}
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io_uring_prep_link_timeout(sqe, &ts, 0);
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ts.tv_sec = 1;
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ts.tv_nsec = 0;
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sqe->user_data = 1;
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sqe->flags |= IOSQE_IO_LINK;
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ret = io_uring_submit(ring);
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if (ret != 1) {
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printf("sqe submit failed: %d\n", ret);
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goto err;
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}
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ret = io_uring_wait_cqe(ring, &cqe);
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if (ret < 0) {
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printf("wait completion %d\n", ret);
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goto err;
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}
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if (cqe->user_data != 1) {
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fprintf(stderr, "invalid user data %d\n", cqe->res);
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goto err;
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}
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if (cqe->res != -EINVAL) {
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fprintf(stderr, "got %d, wanted -EINVAL\n", cqe->res);
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goto err;
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}
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io_uring_cqe_seen(ring, cqe);
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return 0;
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err:
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return 1;
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}
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static int test_fail_two_link_timeouts(struct io_uring *ring)
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{
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struct __kernel_timespec ts;
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struct io_uring_cqe *cqe;
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struct io_uring_sqe *sqe;
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int ret, i;
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ts.tv_sec = 1;
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ts.tv_nsec = 0;
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/*
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* sqe_1: write destined to fail
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* use buf=NULL, to do that during the issuing stage
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*/
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sqe = io_uring_get_sqe(ring);
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if (!sqe) {
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printf("get sqe failed\n");
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goto err;
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}
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io_uring_prep_writev(sqe, 0, NULL, 1, 0);
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sqe->flags |= IOSQE_IO_LINK;
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sqe->user_data = 1;
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/* sqe_2: valid linked timeout */
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sqe = io_uring_get_sqe(ring);
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if (!sqe) {
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printf("get sqe failed\n");
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goto err;
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}
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io_uring_prep_link_timeout(sqe, &ts, 0);
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sqe->user_data = 2;
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sqe->flags |= IOSQE_IO_LINK;
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/* sqe_3: invalid linked timeout */
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sqe = io_uring_get_sqe(ring);
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if (!sqe) {
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printf("get sqe failed\n");
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goto err;
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}
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io_uring_prep_link_timeout(sqe, &ts, 0);
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sqe->flags |= IOSQE_IO_LINK;
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sqe->user_data = 3;
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/* sqe_4: invalid linked timeout */
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sqe = io_uring_get_sqe(ring);
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if (!sqe) {
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printf("get sqe failed\n");
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goto err;
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}
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io_uring_prep_link_timeout(sqe, &ts, 0);
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sqe->flags |= IOSQE_IO_LINK;
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sqe->user_data = 4;
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ret = io_uring_submit(ring);
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if (ret != 4) {
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printf("sqe submit failed: %d\n", ret);
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goto err;
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}
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for (i = 0; i < 4; i++) {
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ret = io_uring_wait_cqe(ring, &cqe);
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if (ret < 0) {
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printf("wait completion %d\n", ret);
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goto err;
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}
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switch (cqe->user_data) {
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case 1:
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if (cqe->res != -EFAULT && cqe->res != -ECANCELED) {
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fprintf(stderr, "write got %d, wanted -EFAULT "
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"or -ECANCELED\n", cqe->res);
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goto err;
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}
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break;
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case 2:
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if (cqe->res != -ECANCELED) {
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fprintf(stderr, "Link timeout got %d, wanted -ECACNCELED\n", cqe->res);
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goto err;
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}
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break;
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case 3:
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/* fall through */
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case 4:
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if (cqe->res != -ECANCELED && cqe->res != -EINVAL) {
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fprintf(stderr, "Invalid link timeout got %d"
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", wanted -ECACNCELED || -EINVAL\n", cqe->res);
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goto err;
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}
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break;
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}
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io_uring_cqe_seen(ring, cqe);
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}
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return 0;
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err:
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return 1;
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}
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/*
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* Test linked timeout with timeout (timeoutception)
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*/
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static int test_single_link_timeout_ception(struct io_uring *ring)
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{
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struct __kernel_timespec ts1, ts2;
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struct io_uring_cqe *cqe;
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struct io_uring_sqe *sqe;
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int ret, i;
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sqe = io_uring_get_sqe(ring);
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if (!sqe) {
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printf("get sqe failed\n");
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goto err;
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}
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ts1.tv_sec = 1;
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ts1.tv_nsec = 0;
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io_uring_prep_timeout(sqe, &ts1, -1U, 0);
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sqe->flags |= IOSQE_IO_LINK;
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sqe->user_data = 1;
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sqe = io_uring_get_sqe(ring);
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if (!sqe) {
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printf("get sqe failed\n");
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goto err;
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}
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ts2.tv_sec = 2;
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ts2.tv_nsec = 0;
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io_uring_prep_link_timeout(sqe, &ts2, 0);
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sqe->user_data = 2;
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ret = io_uring_submit(ring);
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if (ret != 2) {
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printf("sqe submit failed: %d\n", ret);
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goto err;
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}
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for (i = 0; i < 2; i++) {
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ret = io_uring_wait_cqe(ring, &cqe);
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if (ret < 0) {
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printf("wait completion %d\n", ret);
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goto err;
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}
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switch (cqe->user_data) {
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case 1:
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/* newer kernels allow timeout links */
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if (cqe->res != -EINVAL && cqe->res != -ETIME) {
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fprintf(stderr, "Timeout got %d, wanted "
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"-EINVAL or -ETIME\n", cqe->res);
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goto err;
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}
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break;
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case 2:
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if (cqe->res != -ECANCELED) {
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fprintf(stderr, "Link timeout got %d, wanted -ECANCELED\n", cqe->res);
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goto err;
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}
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break;
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}
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io_uring_cqe_seen(ring, cqe);
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}
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return 0;
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err:
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return 1;
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}
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/*
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* Test linked timeout with NOP
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*/
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static int test_single_link_timeout_nop(struct io_uring *ring)
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{
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struct __kernel_timespec ts;
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struct io_uring_cqe *cqe;
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struct io_uring_sqe *sqe;
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int ret, i;
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sqe = io_uring_get_sqe(ring);
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if (!sqe) {
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printf("get sqe failed\n");
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goto err;
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}
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io_uring_prep_nop(sqe);
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sqe->flags |= IOSQE_IO_LINK;
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sqe->user_data = 1;
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sqe = io_uring_get_sqe(ring);
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if (!sqe) {
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printf("get sqe failed\n");
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goto err;
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}
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ts.tv_sec = 1;
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ts.tv_nsec = 0;
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io_uring_prep_link_timeout(sqe, &ts, 0);
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sqe->user_data = 2;
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ret = io_uring_submit(ring);
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if (ret != 2) {
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printf("sqe submit failed: %d\n", ret);
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goto err;
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}
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for (i = 0; i < 2; i++) {
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ret = io_uring_wait_cqe(ring, &cqe);
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if (ret < 0) {
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printf("wait completion %d\n", ret);
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goto err;
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}
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switch (cqe->user_data) {
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case 1:
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if (cqe->res) {
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fprintf(stderr, "NOP got %d, wanted 0\n", cqe->res);
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goto err;
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}
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break;
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case 2:
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if (cqe->res != -ECANCELED) {
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fprintf(stderr, "Link timeout got %d, wanted -ECACNCELED\n", cqe->res);
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goto err;
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}
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break;
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}
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io_uring_cqe_seen(ring, cqe);
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}
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return 0;
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err:
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return 1;
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}
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/*
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* Test read that will not complete, with a linked timeout behind it that
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* has errors in the SQE
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*/
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static int test_single_link_timeout_error(struct io_uring *ring)
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{
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struct __kernel_timespec ts;
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struct io_uring_cqe *cqe;
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struct io_uring_sqe *sqe;
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int fds[2], ret, i;
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struct iovec iov;
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char buffer[128];
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if (pipe(fds)) {
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perror("pipe");
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return 1;
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}
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sqe = io_uring_get_sqe(ring);
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if (!sqe) {
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printf("get sqe failed\n");
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goto err;
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}
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iov.iov_base = buffer;
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iov.iov_len = sizeof(buffer);
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io_uring_prep_readv(sqe, fds[0], &iov, 1, 0);
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sqe->flags |= IOSQE_IO_LINK;
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sqe->user_data = 1;
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sqe = io_uring_get_sqe(ring);
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if (!sqe) {
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printf("get sqe failed\n");
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goto err;
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}
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ts.tv_sec = 1;
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ts.tv_nsec = 0;
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io_uring_prep_link_timeout(sqe, &ts, 0);
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/* set invalid field, it'll get failed */
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sqe->ioprio = 89;
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sqe->user_data = 2;
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ret = io_uring_submit(ring);
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if (ret != 2) {
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printf("sqe submit failed: %d\n", ret);
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goto err;
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}
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for (i = 0; i < 2; i++) {
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ret = io_uring_wait_cqe(ring, &cqe);
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if (ret < 0) {
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printf("wait completion %d\n", ret);
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goto err;
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}
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switch (cqe->user_data) {
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case 1:
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if (cqe->res != -ECANCELED) {
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fprintf(stderr, "Read got %d, wanted -ECANCELED\n",
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cqe->res);
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goto err;
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}
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break;
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case 2:
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if (cqe->res != -EINVAL) {
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fprintf(stderr, "Link timeout got %d, wanted -EINVAL\n", cqe->res);
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goto err;
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}
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break;
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}
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io_uring_cqe_seen(ring, cqe);
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}
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return 0;
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err:
|
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return 1;
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}
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/*
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* Test read that will complete, with a linked timeout behind it
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*/
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static int test_single_link_no_timeout(struct io_uring *ring)
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{
|
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struct __kernel_timespec ts;
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struct io_uring_cqe *cqe;
|
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struct io_uring_sqe *sqe;
|
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int fds[2], ret, i;
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struct iovec iov;
|
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char buffer[128];
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|
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if (pipe(fds)) {
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perror("pipe");
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return 1;
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}
|
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|
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sqe = io_uring_get_sqe(ring);
|
|
if (!sqe) {
|
|
printf("get sqe failed\n");
|
|
goto err;
|
|
}
|
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iov.iov_base = buffer;
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iov.iov_len = sizeof(buffer);
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io_uring_prep_readv(sqe, fds[0], &iov, 1, 0);
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sqe->flags |= IOSQE_IO_LINK;
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sqe->user_data = 1;
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|
|
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sqe = io_uring_get_sqe(ring);
|
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if (!sqe) {
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printf("get sqe failed\n");
|
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goto err;
|
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}
|
|
|
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ts.tv_sec = 1;
|
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ts.tv_nsec = 0;
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io_uring_prep_link_timeout(sqe, &ts, 0);
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sqe->user_data = 2;
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sqe = io_uring_get_sqe(ring);
|
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if (!sqe) {
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printf("get sqe failed\n");
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goto err;
|
|
}
|
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|
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iov.iov_base = buffer;
|
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iov.iov_len = sizeof(buffer);
|
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io_uring_prep_writev(sqe, fds[1], &iov, 1, 0);
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sqe->user_data = 3;
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|
|
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ret = io_uring_submit(ring);
|
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if (ret != 3) {
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printf("sqe submit failed: %d\n", ret);
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goto err;
|
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}
|
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|
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for (i = 0; i < 3; i++) {
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ret = io_uring_wait_cqe(ring, &cqe);
|
|
if (ret < 0) {
|
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printf("wait completion %d\n", ret);
|
|
goto err;
|
|
}
|
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switch (cqe->user_data) {
|
|
case 1:
|
|
case 3:
|
|
if (cqe->res != sizeof(buffer)) {
|
|
fprintf(stderr, "R/W got %d, wanted %d\n", cqe->res,
|
|
(int) sizeof(buffer));
|
|
goto err;
|
|
}
|
|
break;
|
|
case 2:
|
|
if (cqe->res != -ECANCELED) {
|
|
fprintf(stderr, "Link timeout %d, wanted -ECANCELED\n",
|
|
cqe->res);
|
|
goto err;
|
|
}
|
|
break;
|
|
}
|
|
io_uring_cqe_seen(ring, cqe);
|
|
}
|
|
|
|
return 0;
|
|
err:
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* Test read that will not complete, with a linked timeout behind it
|
|
*/
|
|
static int test_single_link_timeout(struct io_uring *ring, unsigned nsec)
|
|
{
|
|
struct __kernel_timespec ts;
|
|
struct io_uring_cqe *cqe;
|
|
struct io_uring_sqe *sqe;
|
|
int fds[2], ret, i;
|
|
struct iovec iov;
|
|
char buffer[128];
|
|
|
|
if (pipe(fds)) {
|
|
perror("pipe");
|
|
return 1;
|
|
}
|
|
|
|
sqe = io_uring_get_sqe(ring);
|
|
if (!sqe) {
|
|
printf("get sqe failed\n");
|
|
goto err;
|
|
}
|
|
|
|
iov.iov_base = buffer;
|
|
iov.iov_len = sizeof(buffer);
|
|
io_uring_prep_readv(sqe, fds[0], &iov, 1, 0);
|
|
sqe->flags |= IOSQE_IO_LINK;
|
|
sqe->user_data = 1;
|
|
|
|
sqe = io_uring_get_sqe(ring);
|
|
if (!sqe) {
|
|
printf("get sqe failed\n");
|
|
goto err;
|
|
}
|
|
|
|
ts.tv_sec = 0;
|
|
ts.tv_nsec = nsec;
|
|
io_uring_prep_link_timeout(sqe, &ts, 0);
|
|
sqe->user_data = 2;
|
|
|
|
ret = io_uring_submit(ring);
|
|
if (ret != 2) {
|
|
printf("sqe submit failed: %d\n", ret);
|
|
goto err;
|
|
}
|
|
|
|
for (i = 0; i < 2; i++) {
|
|
ret = io_uring_wait_cqe(ring, &cqe);
|
|
if (ret < 0) {
|
|
printf("wait completion %d\n", ret);
|
|
goto err;
|
|
}
|
|
switch (cqe->user_data) {
|
|
case 1:
|
|
if (cqe->res != -EINTR && cqe->res != -ECANCELED) {
|
|
fprintf(stderr, "Read got %d\n", cqe->res);
|
|
goto err;
|
|
}
|
|
break;
|
|
case 2:
|
|
if (cqe->res != -EALREADY && cqe->res != -ETIME &&
|
|
cqe->res != 0) {
|
|
fprintf(stderr, "Link timeout got %d\n", cqe->res);
|
|
goto err;
|
|
}
|
|
break;
|
|
}
|
|
io_uring_cqe_seen(ring, cqe);
|
|
}
|
|
|
|
close(fds[0]);
|
|
close(fds[1]);
|
|
return 0;
|
|
err:
|
|
return 1;
|
|
}
|
|
|
|
static int test_timeout_link_chain1(struct io_uring *ring)
|
|
{
|
|
struct __kernel_timespec ts;
|
|
struct io_uring_cqe *cqe;
|
|
struct io_uring_sqe *sqe;
|
|
int fds[2], ret, i;
|
|
struct iovec iov;
|
|
char buffer[128];
|
|
|
|
if (pipe(fds)) {
|
|
perror("pipe");
|
|
return 1;
|
|
}
|
|
|
|
sqe = io_uring_get_sqe(ring);
|
|
if (!sqe) {
|
|
printf("get sqe failed\n");
|
|
goto err;
|
|
}
|
|
iov.iov_base = buffer;
|
|
iov.iov_len = sizeof(buffer);
|
|
io_uring_prep_readv(sqe, fds[0], &iov, 1, 0);
|
|
sqe->flags |= IOSQE_IO_LINK;
|
|
sqe->user_data = 1;
|
|
|
|
sqe = io_uring_get_sqe(ring);
|
|
if (!sqe) {
|
|
printf("get sqe failed\n");
|
|
goto err;
|
|
}
|
|
ts.tv_sec = 0;
|
|
ts.tv_nsec = 1000000;
|
|
io_uring_prep_link_timeout(sqe, &ts, 0);
|
|
sqe->flags |= IOSQE_IO_LINK;
|
|
sqe->user_data = 2;
|
|
|
|
sqe = io_uring_get_sqe(ring);
|
|
if (!sqe) {
|
|
printf("get sqe failed\n");
|
|
goto err;
|
|
}
|
|
io_uring_prep_nop(sqe);
|
|
sqe->user_data = 3;
|
|
|
|
ret = io_uring_submit(ring);
|
|
if (ret != 3) {
|
|
printf("sqe submit failed: %d\n", ret);
|
|
goto err;
|
|
}
|
|
|
|
for (i = 0; i < 3; i++) {
|
|
ret = io_uring_wait_cqe(ring, &cqe);
|
|
if (ret < 0) {
|
|
printf("wait completion %d\n", ret);
|
|
goto err;
|
|
}
|
|
switch (cqe->user_data) {
|
|
case 1:
|
|
if (cqe->res != -EINTR && cqe->res != -ECANCELED) {
|
|
fprintf(stderr, "Req %" PRIu64 " got %d\n", (uint64_t) cqe->user_data,
|
|
cqe->res);
|
|
goto err;
|
|
}
|
|
break;
|
|
case 2:
|
|
/* FASTPOLL kernels can cancel successfully */
|
|
if (cqe->res != -EALREADY && cqe->res != -ETIME) {
|
|
fprintf(stderr, "Req %" PRIu64 " got %d\n", (uint64_t) cqe->user_data,
|
|
cqe->res);
|
|
goto err;
|
|
}
|
|
break;
|
|
case 3:
|
|
if (cqe->res != -ECANCELED) {
|
|
fprintf(stderr, "Req %" PRIu64 " got %d\n", (uint64_t) cqe->user_data,
|
|
cqe->res);
|
|
goto err;
|
|
}
|
|
break;
|
|
}
|
|
|
|
io_uring_cqe_seen(ring, cqe);
|
|
}
|
|
|
|
return 0;
|
|
err:
|
|
return 1;
|
|
}
|
|
|
|
static int test_timeout_link_chain2(struct io_uring *ring)
|
|
{
|
|
struct __kernel_timespec ts;
|
|
struct io_uring_cqe *cqe;
|
|
struct io_uring_sqe *sqe;
|
|
int fds[2], ret, i;
|
|
|
|
if (pipe(fds)) {
|
|
perror("pipe");
|
|
return 1;
|
|
}
|
|
|
|
sqe = io_uring_get_sqe(ring);
|
|
if (!sqe) {
|
|
printf("get sqe failed\n");
|
|
goto err;
|
|
}
|
|
io_uring_prep_poll_add(sqe, fds[0], POLLIN);
|
|
sqe->flags |= IOSQE_IO_LINK;
|
|
sqe->user_data = 1;
|
|
|
|
sqe = io_uring_get_sqe(ring);
|
|
if (!sqe) {
|
|
printf("get sqe failed\n");
|
|
goto err;
|
|
}
|
|
ts.tv_sec = 0;
|
|
ts.tv_nsec = 1000000;
|
|
io_uring_prep_link_timeout(sqe, &ts, 0);
|
|
sqe->flags |= IOSQE_IO_LINK;
|
|
sqe->user_data = 2;
|
|
|
|
sqe = io_uring_get_sqe(ring);
|
|
if (!sqe) {
|
|
printf("get sqe failed\n");
|
|
goto err;
|
|
}
|
|
io_uring_prep_nop(sqe);
|
|
sqe->flags |= IOSQE_IO_LINK;
|
|
sqe->user_data = 3;
|
|
|
|
sqe = io_uring_get_sqe(ring);
|
|
if (!sqe) {
|
|
printf("get sqe failed\n");
|
|
goto err;
|
|
}
|
|
io_uring_prep_nop(sqe);
|
|
sqe->user_data = 4;
|
|
|
|
ret = io_uring_submit(ring);
|
|
if (ret != 4) {
|
|
printf("sqe submit failed: %d\n", ret);
|
|
goto err;
|
|
}
|
|
|
|
for (i = 0; i < 4; i++) {
|
|
ret = io_uring_wait_cqe(ring, &cqe);
|
|
if (ret < 0) {
|
|
printf("wait completion %d\n", ret);
|
|
goto err;
|
|
}
|
|
switch (cqe->user_data) {
|
|
/* poll cancel really should return -ECANCEL... */
|
|
case 1:
|
|
if (cqe->res != -ECANCELED) {
|
|
fprintf(stderr, "Req %" PRIu64 " got %d\n", (uint64_t) cqe->user_data,
|
|
cqe->res);
|
|
goto err;
|
|
}
|
|
break;
|
|
case 2:
|
|
if (cqe->res != -ETIME) {
|
|
fprintf(stderr, "Req %" PRIu64 " got %d\n", (uint64_t) cqe->user_data,
|
|
cqe->res);
|
|
goto err;
|
|
}
|
|
break;
|
|
case 3:
|
|
case 4:
|
|
if (cqe->res != -ECANCELED) {
|
|
fprintf(stderr, "Req %" PRIu64 " got %d\n", (uint64_t) cqe->user_data,
|
|
cqe->res);
|
|
goto err;
|
|
}
|
|
break;
|
|
}
|
|
io_uring_cqe_seen(ring, cqe);
|
|
}
|
|
|
|
return 0;
|
|
err:
|
|
return 1;
|
|
}
|
|
|
|
static int test_timeout_link_chain3(struct io_uring *ring)
|
|
{
|
|
struct __kernel_timespec ts;
|
|
struct io_uring_cqe *cqe;
|
|
struct io_uring_sqe *sqe;
|
|
int fds[2], ret, i;
|
|
|
|
if (pipe(fds)) {
|
|
perror("pipe");
|
|
return 1;
|
|
}
|
|
|
|
sqe = io_uring_get_sqe(ring);
|
|
if (!sqe) {
|
|
printf("get sqe failed\n");
|
|
goto err;
|
|
}
|
|
io_uring_prep_poll_add(sqe, fds[0], POLLIN);
|
|
sqe->flags |= IOSQE_IO_LINK;
|
|
sqe->user_data = 1;
|
|
|
|
sqe = io_uring_get_sqe(ring);
|
|
if (!sqe) {
|
|
printf("get sqe failed\n");
|
|
goto err;
|
|
}
|
|
ts.tv_sec = 0;
|
|
ts.tv_nsec = 1000000;
|
|
io_uring_prep_link_timeout(sqe, &ts, 0);
|
|
sqe->flags |= IOSQE_IO_LINK;
|
|
sqe->user_data = 2;
|
|
|
|
sqe = io_uring_get_sqe(ring);
|
|
if (!sqe) {
|
|
printf("get sqe failed\n");
|
|
goto err;
|
|
}
|
|
io_uring_prep_nop(sqe);
|
|
sqe->flags |= IOSQE_IO_LINK;
|
|
sqe->user_data = 3;
|
|
|
|
/* POLL -> TIMEOUT -> NOP */
|
|
|
|
sqe = io_uring_get_sqe(ring);
|
|
if (!sqe) {
|
|
printf("get sqe failed\n");
|
|
goto err;
|
|
}
|
|
io_uring_prep_poll_add(sqe, fds[0], POLLIN);
|
|
sqe->flags |= IOSQE_IO_LINK;
|
|
sqe->user_data = 4;
|
|
|
|
sqe = io_uring_get_sqe(ring);
|
|
if (!sqe) {
|
|
printf("get sqe failed\n");
|
|
goto err;
|
|
}
|
|
ts.tv_sec = 0;
|
|
ts.tv_nsec = 1000000;
|
|
io_uring_prep_link_timeout(sqe, &ts, 0);
|
|
sqe->user_data = 5;
|
|
|
|
/* poll on pipe + timeout */
|
|
|
|
sqe = io_uring_get_sqe(ring);
|
|
if (!sqe) {
|
|
printf("get sqe failed\n");
|
|
goto err;
|
|
}
|
|
io_uring_prep_nop(sqe);
|
|
sqe->user_data = 6;
|
|
|
|
/* nop */
|
|
|
|
ret = io_uring_submit(ring);
|
|
if (ret != 6) {
|
|
printf("sqe submit failed: %d\n", ret);
|
|
goto err;
|
|
}
|
|
|
|
for (i = 0; i < 6; i++) {
|
|
ret = io_uring_wait_cqe(ring, &cqe);
|
|
if (ret < 0) {
|
|
printf("wait completion %d\n", ret);
|
|
goto err;
|
|
}
|
|
switch (cqe->user_data) {
|
|
case 2:
|
|
if (cqe->res != -ETIME) {
|
|
fprintf(stderr, "Req %" PRIu64 " got %d\n", (uint64_t) cqe->user_data,
|
|
cqe->res);
|
|
goto err;
|
|
}
|
|
break;
|
|
case 1:
|
|
case 3:
|
|
case 4:
|
|
case 5:
|
|
if (cqe->res != -ECANCELED) {
|
|
fprintf(stderr, "Req %" PRIu64 " got %d\n", (uint64_t) cqe->user_data,
|
|
cqe->res);
|
|
goto err;
|
|
}
|
|
break;
|
|
case 6:
|
|
if (cqe->res) {
|
|
fprintf(stderr, "Req %" PRIu64 " got %d\n", (uint64_t) cqe->user_data,
|
|
cqe->res);
|
|
goto err;
|
|
}
|
|
break;
|
|
}
|
|
io_uring_cqe_seen(ring, cqe);
|
|
}
|
|
|
|
return 0;
|
|
err:
|
|
return 1;
|
|
}
|
|
|
|
static int test_timeout_link_chain4(struct io_uring *ring)
|
|
{
|
|
struct __kernel_timespec ts;
|
|
struct io_uring_cqe *cqe;
|
|
struct io_uring_sqe *sqe;
|
|
int fds[2], ret, i;
|
|
|
|
if (pipe(fds)) {
|
|
perror("pipe");
|
|
return 1;
|
|
}
|
|
|
|
sqe = io_uring_get_sqe(ring);
|
|
if (!sqe) {
|
|
printf("get sqe failed\n");
|
|
goto err;
|
|
}
|
|
io_uring_prep_nop(sqe);
|
|
sqe->flags |= IOSQE_IO_LINK;
|
|
sqe->user_data = 1;
|
|
|
|
sqe = io_uring_get_sqe(ring);
|
|
if (!sqe) {
|
|
printf("get sqe failed\n");
|
|
goto err;
|
|
}
|
|
io_uring_prep_poll_add(sqe, fds[0], POLLIN);
|
|
sqe->flags |= IOSQE_IO_LINK;
|
|
sqe->user_data = 2;
|
|
|
|
sqe = io_uring_get_sqe(ring);
|
|
if (!sqe) {
|
|
printf("get sqe failed\n");
|
|
goto err;
|
|
}
|
|
ts.tv_sec = 0;
|
|
ts.tv_nsec = 1000000;
|
|
io_uring_prep_link_timeout(sqe, &ts, 0);
|
|
sqe->user_data = 3;
|
|
|
|
ret = io_uring_submit(ring);
|
|
if (ret != 3) {
|
|
printf("sqe submit failed: %d\n", ret);
|
|
goto err;
|
|
}
|
|
|
|
for (i = 0; i < 3; i++) {
|
|
ret = io_uring_wait_cqe(ring, &cqe);
|
|
if (ret < 0) {
|
|
printf("wait completion %d\n", ret);
|
|
goto err;
|
|
}
|
|
switch (cqe->user_data) {
|
|
/* poll cancel really should return -ECANCEL... */
|
|
case 1:
|
|
if (cqe->res) {
|
|
fprintf(stderr, "Req %" PRIu64 " got %d\n", (uint64_t) cqe->user_data,
|
|
cqe->res);
|
|
goto err;
|
|
}
|
|
break;
|
|
case 2:
|
|
if (cqe->res != -ECANCELED) {
|
|
fprintf(stderr, "Req %" PRIu64 " got %d\n", (uint64_t) cqe->user_data,
|
|
cqe->res);
|
|
goto err;
|
|
}
|
|
break;
|
|
case 3:
|
|
if (cqe->res != -ETIME) {
|
|
fprintf(stderr, "Req %" PRIu64 " got %d\n", (uint64_t) cqe->user_data,
|
|
cqe->res);
|
|
goto err;
|
|
}
|
|
break;
|
|
}
|
|
io_uring_cqe_seen(ring, cqe);
|
|
}
|
|
|
|
return 0;
|
|
err:
|
|
return 1;
|
|
}
|
|
|
|
static int test_timeout_link_chain5(struct io_uring *ring)
|
|
{
|
|
struct __kernel_timespec ts1, ts2;
|
|
struct io_uring_cqe *cqe;
|
|
struct io_uring_sqe *sqe;
|
|
int ret, i;
|
|
|
|
sqe = io_uring_get_sqe(ring);
|
|
if (!sqe) {
|
|
printf("get sqe failed\n");
|
|
goto err;
|
|
}
|
|
io_uring_prep_nop(sqe);
|
|
sqe->flags |= IOSQE_IO_LINK;
|
|
sqe->user_data = 1;
|
|
|
|
sqe = io_uring_get_sqe(ring);
|
|
if (!sqe) {
|
|
printf("get sqe failed\n");
|
|
goto err;
|
|
}
|
|
ts1.tv_sec = 1;
|
|
ts1.tv_nsec = 0;
|
|
io_uring_prep_link_timeout(sqe, &ts1, 0);
|
|
sqe->flags |= IOSQE_IO_LINK;
|
|
sqe->user_data = 2;
|
|
|
|
sqe = io_uring_get_sqe(ring);
|
|
if (!sqe) {
|
|
printf("get sqe failed\n");
|
|
goto err;
|
|
}
|
|
ts2.tv_sec = 2;
|
|
ts2.tv_nsec = 0;
|
|
io_uring_prep_link_timeout(sqe, &ts2, 0);
|
|
sqe->user_data = 3;
|
|
|
|
ret = io_uring_submit(ring);
|
|
if (ret != 3) {
|
|
printf("sqe submit failed: %d\n", ret);
|
|
goto err;
|
|
}
|
|
|
|
for (i = 0; i < 3; i++) {
|
|
ret = io_uring_wait_cqe(ring, &cqe);
|
|
if (ret < 0) {
|
|
printf("wait completion %d\n", ret);
|
|
goto err;
|
|
}
|
|
switch (cqe->user_data) {
|
|
case 1:
|
|
if (cqe->res) {
|
|
fprintf(stderr, "Timeout got %d, wanted -EINVAL\n",
|
|
cqe->res);
|
|
goto err;
|
|
}
|
|
break;
|
|
case 2:
|
|
if (cqe->res != -ECANCELED) {
|
|
fprintf(stderr, "Link timeout got %d, wanted -ECANCELED\n", cqe->res);
|
|
goto err;
|
|
}
|
|
break;
|
|
}
|
|
io_uring_cqe_seen(ring, cqe);
|
|
}
|
|
|
|
return 0;
|
|
err:
|
|
return 1;
|
|
}
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
struct io_uring ring;
|
|
int ret;
|
|
|
|
if (argc > 1)
|
|
return 0;
|
|
|
|
ret = io_uring_queue_init(8, &ring, 0);
|
|
if (ret) {
|
|
printf("ring setup failed\n");
|
|
return 1;
|
|
}
|
|
|
|
ret = test_timeout_link_chain1(&ring);
|
|
if (ret) {
|
|
printf("test_single_link_chain1 failed\n");
|
|
return ret;
|
|
}
|
|
|
|
ret = test_timeout_link_chain2(&ring);
|
|
if (ret) {
|
|
printf("test_single_link_chain2 failed\n");
|
|
return ret;
|
|
}
|
|
|
|
ret = test_timeout_link_chain3(&ring);
|
|
if (ret) {
|
|
printf("test_single_link_chain3 failed\n");
|
|
return ret;
|
|
}
|
|
|
|
ret = test_timeout_link_chain4(&ring);
|
|
if (ret) {
|
|
printf("test_single_link_chain4 failed\n");
|
|
return ret;
|
|
}
|
|
|
|
ret = test_timeout_link_chain5(&ring);
|
|
if (ret) {
|
|
printf("test_single_link_chain5 failed\n");
|
|
return ret;
|
|
}
|
|
|
|
ret = test_single_link_timeout(&ring, 10);
|
|
if (ret) {
|
|
printf("test_single_link_timeout 10 failed\n");
|
|
return ret;
|
|
}
|
|
|
|
ret = test_single_link_timeout(&ring, 100000ULL);
|
|
if (ret) {
|
|
printf("test_single_link_timeout 100000 failed\n");
|
|
return ret;
|
|
}
|
|
|
|
ret = test_single_link_timeout(&ring, 500000000ULL);
|
|
if (ret) {
|
|
printf("test_single_link_timeout 500000000 failed\n");
|
|
return ret;
|
|
}
|
|
|
|
ret = test_single_link_no_timeout(&ring);
|
|
if (ret) {
|
|
printf("test_single_link_no_timeout failed\n");
|
|
return ret;
|
|
}
|
|
|
|
ret = test_single_link_timeout_error(&ring);
|
|
if (ret) {
|
|
printf("test_single_link_timeout_error failed\n");
|
|
return ret;
|
|
}
|
|
|
|
ret = test_single_link_timeout_nop(&ring);
|
|
if (ret) {
|
|
printf("test_single_link_timeout_nop failed\n");
|
|
return ret;
|
|
}
|
|
|
|
ret = test_single_link_timeout_ception(&ring);
|
|
if (ret) {
|
|
printf("test_single_link_timeout_ception failed\n");
|
|
return ret;
|
|
}
|
|
|
|
ret = test_fail_lone_link_timeouts(&ring);
|
|
if (ret) {
|
|
printf("test_fail_lone_link_timeouts failed\n");
|
|
return ret;
|
|
}
|
|
|
|
ret = test_fail_two_link_timeouts(&ring);
|
|
if (ret) {
|
|
printf("test_fail_two_link_timeouts failed\n");
|
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|