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|
#include "../config-host.h"
/* SPDX-License-Identifier: MIT */
/*
* Description: test ring messaging command
*
*/
#include <errno.h>
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <fcntl.h>
#include <pthread.h>
#include "liburing.h"
#include "helpers.h"
static int no_msg;
static int test_own(struct io_uring *ring)
{
struct io_uring_cqe *cqe;
struct io_uring_sqe *sqe;
int ret, i;
sqe = io_uring_get_sqe(ring);
if (!sqe) {
fprintf(stderr, "get sqe failed\n");
goto err;
}
io_uring_prep_msg_ring(sqe, ring->ring_fd, 0x10, 0x1234, 0);
sqe->user_data = 1;
ret = io_uring_submit(ring);
if (ret <= 0) {
fprintf(stderr, "sqe submit failed: %d\n", ret);
goto err;
}
for (i = 0; i < 2; i++) {
ret = io_uring_wait_cqe(ring, &cqe);
if (ret < 0) {
fprintf(stderr, "wait completion %d\n", ret);
goto err;
}
switch (cqe->user_data) {
case 1:
if (cqe->res == -EINVAL || cqe->res == -EOPNOTSUPP) {
no_msg = 1;
return 0;
}
if (cqe->res != 0) {
fprintf(stderr, "cqe res %d\n", cqe->res);
return -1;
}
break;
case 0x1234:
if (cqe->res != 0x10) {
fprintf(stderr, "invalid len %x\n", cqe->res);
return -1;
}
break;
default:
fprintf(stderr, "Invalid user_data\n");
return -1;
}
io_uring_cqe_seen(ring, cqe);
}
return 0;
err:
return 1;
}
static void *wait_cqe_fn(void *data)
{
struct io_uring *ring = data;
struct io_uring_cqe *cqe;
int ret;
ret = io_uring_wait_cqe(ring, &cqe);
if (ret) {
fprintf(stderr, "wait cqe %d\n", ret);
goto err;
}
if (cqe->user_data != 0x5aa5) {
fprintf(stderr, "user_data %llx\n", (long long) cqe->user_data);
goto err;
}
if (cqe->res != 0x20) {
fprintf(stderr, "len %x\n", cqe->res);
goto err;
}
io_uring_cqe_seen(ring, cqe);
return NULL;
err:
io_uring_cqe_seen(ring, cqe);
return (void *) (unsigned long) 1;
}
static int test_remote(struct io_uring *ring, struct io_uring *target)
{
pthread_t thread;
void *tret;
struct io_uring_cqe *cqe;
struct io_uring_sqe *sqe;
int ret;
pthread_create(&thread, NULL, wait_cqe_fn, target);
sqe = io_uring_get_sqe(ring);
if (!sqe) {
fprintf(stderr, "get sqe failed\n");
goto err;
}
io_uring_prep_msg_ring(sqe, target->ring_fd, 0x20, 0x5aa5, 0);
sqe->user_data = 1;
ret = io_uring_submit(ring);
if (ret <= 0) {
fprintf(stderr, "sqe submit failed: %d\n", ret);
goto err;
}
ret = io_uring_wait_cqe(ring, &cqe);
if (ret < 0) {
fprintf(stderr, "wait completion %d\n", ret);
goto err;
}
if (cqe->res != 0) {
fprintf(stderr, "cqe res %d\n", cqe->res);
return -1;
}
if (cqe->user_data != 1) {
fprintf(stderr, "user_data %llx\n", (long long) cqe->user_data);
return -1;
}
io_uring_cqe_seen(ring, cqe);
pthread_join(thread, &tret);
return 0;
err:
return 1;
}
static void *remote_submit_fn(void *data)
{
struct io_uring_sqe *sqe;
struct io_uring_cqe *cqe;
struct io_uring *target = data;
struct io_uring ring;
int ret;
ret = io_uring_queue_init(8, &ring, 0);
if (ret) {
fprintf(stderr, "thread ring setup failed: %d\n", ret);
goto err;
}
sqe = io_uring_get_sqe(&ring);
if (!sqe) {
fprintf(stderr, "get sqe failed\n");
goto err;
}
io_uring_prep_msg_ring(sqe, target->ring_fd, 0x20, 0x5aa5, 0);
sqe->user_data = 1;
ret = io_uring_submit(&ring);
if (ret <= 0) {
fprintf(stderr, "sqe submit failed: %d\n", ret);
goto err;
}
ret = io_uring_wait_cqe(&ring, &cqe);
if (ret < 0) {
fprintf(stderr, "wait completion %d\n", ret);
goto err;
}
if (cqe->res != 0 || cqe->user_data != 1) {
fprintf(stderr, "invalid cqe\n");
goto err;
}
io_uring_cqe_seen(&ring, cqe);
io_uring_queue_exit(&ring);
return NULL;
err:
return (void *) (unsigned long) 1;
}
static int test_remote_submit(struct io_uring *target)
{
struct io_uring_cqe *cqe;
pthread_t thread;
void *tret;
int ret;
pthread_create(&thread, NULL, remote_submit_fn, target);
ret = io_uring_wait_cqe(target, &cqe);
if (ret < 0) {
fprintf(stderr, "wait completion %d\n", ret);
goto err;
}
if (cqe->res != 0x20) {
fprintf(stderr, "cqe res %d\n", cqe->res);
return -1;
}
if (cqe->user_data != 0x5aa5) {
fprintf(stderr, "user_data %llx\n", (long long) cqe->user_data);
return -1;
}
io_uring_cqe_seen(target, cqe);
pthread_join(thread, &tret);
return 0;
err:
return 1;
}
static int test_invalid(struct io_uring *ring, bool fixed)
{
struct io_uring_cqe *cqe;
struct io_uring_sqe *sqe;
int ret, fd = 1;
sqe = io_uring_get_sqe(ring);
if (!sqe) {
fprintf(stderr, "get sqe failed\n");
return 1;
}
if (fixed) {
ret = io_uring_register_files(ring, &fd, 1);
if (ret) {
fprintf(stderr, "file register %d\n", ret);
return 1;
}
io_uring_prep_msg_ring(sqe, 0, 0, 0x8989, 0);
sqe->flags |= IOSQE_FIXED_FILE;
} else {
io_uring_prep_msg_ring(sqe, 1, 0, 0x8989, 0);
}
sqe->user_data = 1;
ret = io_uring_submit(ring);
if (ret <= 0) {
fprintf(stderr, "sqe submit failed: %d\n", ret);
goto err;
}
ret = io_uring_wait_cqe(ring, &cqe);
if (ret < 0) {
fprintf(stderr, "wait completion %d\n", ret);
goto err;
}
if (cqe->res != -EBADFD) {
fprintf(stderr, "cqe res %d\n", cqe->res);
return -1;
}
io_uring_cqe_seen(ring, cqe);
if (fixed)
io_uring_unregister_files(ring);
return 0;
err:
if (fixed)
io_uring_unregister_files(ring);
return 1;
}
static int test_disabled_ring(struct io_uring *ring, int flags)
{
struct io_uring_cqe *cqe;
struct io_uring_sqe *sqe;
struct io_uring disabled_ring;
int ret;
flags |= IORING_SETUP_R_DISABLED;
ret = io_uring_queue_init(8, &disabled_ring, flags);
if (ret) {
fprintf(stderr, "ring setup failed: %d\n", ret);
return 1;
}
sqe = io_uring_get_sqe(ring);
io_uring_prep_msg_ring(sqe, disabled_ring.ring_fd, 0x10, 0x1234, 0);
sqe->user_data = 1;
ret = io_uring_submit(ring);
if (ret != 1) {
fprintf(stderr, "sqe submit failed: %d\n", ret);
return 1;
}
ret = io_uring_wait_cqe(ring, &cqe);
if (ret < 0) {
fprintf(stderr, "wait completion %d\n", ret);
return 1;
}
if (cqe->res != 0 && cqe->res != -EBADFD) {
fprintf(stderr, "cqe res %d\n", cqe->res);
return 1;
}
if (cqe->user_data != 1) {
fprintf(stderr, "user_data %llx\n", (long long) cqe->user_data);
return 1;
}
io_uring_cqe_seen(ring, cqe);
io_uring_queue_exit(&disabled_ring);
return 0;
}
int main(int argc, char *argv[])
{
struct io_uring ring, ring2, pring;
int ret, i;
if (argc > 1)
return T_EXIT_SKIP;
ret = io_uring_queue_init(8, &ring, 0);
if (ret) {
fprintf(stderr, "ring setup failed: %d\n", ret);
return T_EXIT_FAIL;
}
ret = io_uring_queue_init(8, &ring2, 0);
if (ret) {
fprintf(stderr, "ring setup failed: %d\n", ret);
return T_EXIT_FAIL;
}
ret = io_uring_queue_init(8, &pring, IORING_SETUP_IOPOLL);
if (ret) {
fprintf(stderr, "ring setup failed: %d\n", ret);
return T_EXIT_FAIL;
}
ret = test_own(&ring);
if (ret) {
fprintf(stderr, "test_own failed\n");
return T_EXIT_FAIL;
}
if (no_msg)
return T_EXIT_SKIP;
ret = test_own(&pring);
if (ret) {
fprintf(stderr, "test_own iopoll failed\n");
return T_EXIT_FAIL;
}
ret = test_invalid(&ring, 0);
if (ret) {
fprintf(stderr, "test_invalid failed\n");
return T_EXIT_FAIL;
}
for (i = 0; i < 2; i++) {
ret = test_invalid(&ring, 1);
if (ret) {
fprintf(stderr, "test_invalid fixed failed\n");
return T_EXIT_FAIL;
}
}
ret = test_remote(&ring, &ring2);
if (ret) {
fprintf(stderr, "test_remote failed\n");
return T_EXIT_FAIL;
}
io_uring_queue_exit(&ring);
io_uring_queue_exit(&pring);
if (t_probe_defer_taskrun()) {
ret = io_uring_queue_init(8, &ring, IORING_SETUP_SINGLE_ISSUER |
IORING_SETUP_DEFER_TASKRUN);
if (ret) {
fprintf(stderr, "deferred ring setup failed: %d\n", ret);
return T_EXIT_FAIL;
}
ret = test_own(&ring);
if (ret) {
fprintf(stderr, "test_own deferred failed\n");
return T_EXIT_FAIL;
}
for (i = 0; i < 2; i++) {
ret = test_invalid(&ring, i);
if (ret) {
fprintf(stderr, "test_invalid(0) deferred failed\n");
return T_EXIT_FAIL;
}
}
ret = test_remote_submit(&ring);
if (ret) {
fprintf(stderr, "test_remote_submit failed\n");
return T_EXIT_FAIL;
}
io_uring_queue_exit(&ring);
if (test_disabled_ring(&ring2, 0)) {
fprintf(stderr, "test_disabled_ring failed\n");
return T_EXIT_FAIL;
}
if (test_disabled_ring(&ring2, IORING_SETUP_SINGLE_ISSUER |
IORING_SETUP_DEFER_TASKRUN)) {
fprintf(stderr, "test_disabled_ring defer failed\n");
return T_EXIT_FAIL;
}
}
io_uring_queue_exit(&ring2);
return T_EXIT_PASS;
}
|
