test/msg-ring: add test cases for IORING_OP_MSG_RING Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/.gitignore b/.gitignore index 9b74880..ae16633 100644 --- a/.gitignore +++ b/.gitignore
@@ -76,6 +76,7 @@ /test/link_drain /test/madvise /test/mkdir +/test/msg-ring /test/nop /test/nop-all-sizes /test/open-close
diff --git a/test/Makefile b/test/Makefile index 9dae002..1019113 100644 --- a/test/Makefile +++ b/test/Makefile
@@ -93,6 +93,7 @@ link-timeout.c \ madvise.c \ mkdir.c \ + msg-ring.c \ multicqes_drain.c \ nop-all-sizes.c \ nop.c \ @@ -221,6 +222,7 @@ poll-mshot-update: override LDFLAGS += -lpthread exit-no-cleanup: override LDFLAGS += -lpthread pollfree: override LDFLAGS += -lpthread +msg-ring: override LDFLAGS += -lpthread install: $(test_targets) runtests.sh runtests-loop.sh $(INSTALL) -D -d -m 755 $(datadir)/liburing-test/
diff --git a/test/msg-ring.c b/test/msg-ring.c new file mode 100644 index 0000000..8930e72 --- /dev/null +++ b/test/msg-ring.c
@@ -0,0 +1,234 @@ +/* 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" + +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->flags & IORING_CQE_F_MSG)) { + fprintf(stderr, "invalid flags %x\n", cqe->flags); + return -1; + } + 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->flags & IORING_CQE_F_MSG)) { + fprintf(stderr, "invalid flags %x\n", cqe->flags); + 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; + } + + return NULL; +err: + return (void *) (unsigned long) 1; +} + +static int test_remote(struct io_uring *ring, struct io_uring *target) +{ + struct io_uring_cqe *cqe; + struct io_uring_sqe *sqe; + int ret; + + 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); + return 0; +err: + return 1; +} + +static int test_invalid(struct io_uring *ring) +{ + struct io_uring_cqe *cqe; + struct io_uring_sqe *sqe; + int ret; + + sqe = io_uring_get_sqe(ring); + if (!sqe) { + fprintf(stderr, "get sqe failed\n"); + goto err; + } + + 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); + return 0; +err: + return 1; +} + +int main(int argc, char *argv[]) +{ + struct io_uring ring, ring2; + pthread_t thread; + void *tret; + int ret; + + if (argc > 1) + return 0; + + ret = io_uring_queue_init(8, &ring, 0); + if (ret) { + fprintf(stderr, "ring setup failed: %d\n", ret); + return 1; + } + ret = io_uring_queue_init(8, &ring2, 0); + if (ret) { + fprintf(stderr, "ring setup failed: %d\n", ret); + return 1; + } + + ret = test_own(&ring); + if (ret) { + fprintf(stderr, "test_own failed\n"); + return ret; + } + if (no_msg) { + fprintf(stdout, "Skipped\n"); + return 0; + } + + ret = test_invalid(&ring); + if (ret) { + fprintf(stderr, "test_invalid failed\n"); + return ret; + } + + pthread_create(&thread, NULL, wait_cqe_fn, &ring2); + + ret = test_remote(&ring, &ring2); + if (ret) { + fprintf(stderr, "test_remote failed\n"); + return ret; + } + + pthread_join(thread, &tret); + + return 0; +}