Update contrib/libs/liburing to 2.4

1 files changed, 160 insertions, 0 deletions

diff --git a/contrib/libs/liburing/test/msg-ring-overflow.c b/contrib/libs/liburing/test/msg-ring-overflow.c
new file mode 100644
index 00000000000..1a3a6ad200b
--- /dev/null
+++ b/contrib/libs/liburing/test/msg-ring-overflow.c
@@ -0,0 +1,160 @@
+#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 "liburing.h"
+#include "helpers.h"
+
+static int no_msg;
+
+static int test(struct io_uring *ring, unsigned dst_flags)
+{
+	struct io_uring_params p = { };
+	struct io_uring_cqe *cqe;
+	struct io_uring_sqe *sqe;
+	struct io_uring dst;
+	int ret, i, err_ret = T_EXIT_FAIL;
+
+	p.flags = dst_flags | IORING_SETUP_CQSIZE;
+	p.cq_entries = 4;
+	ret = io_uring_queue_init_params(4, &dst, &p);
+	if (ret) {
+		fprintf(stderr, "Destination ring create failed %d\n", ret);
+		return T_EXIT_FAIL;
+	}
+
+	for (i = 0; i < 8; i++) {
+		sqe = io_uring_get_sqe(ring);
+		if (!sqe) {
+			fprintf(stderr, "get sqe failed\n");
+			goto err;
+		}
+
+		io_uring_prep_msg_ring(sqe, dst.ring_fd, 0x10, 0x1234, 0);
+		sqe->user_data = i + 1;
+	}
+
+	ret = io_uring_submit(ring);
+	if (ret != 8) {
+		/*
+		 * Likely an old kernel that doesn't support the opcode,
+		 * just skip the test.
+		 */
+		if (ret == 1) {
+			err_ret = T_EXIT_SKIP;
+			no_msg = 1;
+			goto err;
+		}
+		fprintf(stderr, "sqe submit failed: %d\n", ret);
+		goto err;
+	}
+
+	for (i = 0; i < 8; 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 ... 8:
+			if (cqe->res == -EINVAL || cqe->res == -EOPNOTSUPP) {
+				no_msg = 1;
+				goto out;
+			}
+			if (cqe->res != 0) {
+				fprintf(stderr, "cqe res %d\n", cqe->res);
+				goto err;
+			}
+			break;
+		case 0x1234:
+			if (cqe->res != 0x10) {
+				fprintf(stderr, "invalid len %x\n", cqe->res);
+				goto err;
+			}
+			break;
+		default:
+			fprintf(stderr, "Invalid user_data\n");
+			goto err;
+		}
+		io_uring_cqe_seen(ring, cqe);
+	}
+
+	for (i = 0; i < 8; i++) {
+		ret = io_uring_wait_cqe(&dst, &cqe);
+		if (ret < 0) {
+			fprintf(stderr, "wait completion %d\n", ret);
+			goto err;
+		}
+		switch (cqe->user_data) {
+		case 0x1234:
+			if (cqe->res != 0x10) {
+				fprintf(stderr, "invalid len %x\n", cqe->res);
+				goto err;
+			}
+			break;
+		default:
+			fprintf(stderr, "Invalid user_data\n");
+			goto err;
+		}
+		io_uring_cqe_seen(&dst, cqe);
+	}
+
+out:
+	io_uring_queue_exit(&dst);
+	return no_msg ? T_EXIT_SKIP : T_EXIT_PASS;
+err:
+	io_uring_queue_exit(&dst);
+	return err_ret;
+}
+
+int main(int argc, char *argv[])
+{
+	struct io_uring src;
+	int ret;
+
+	if (argc > 1)
+		return T_EXIT_SKIP;
+
+	ret = io_uring_queue_init(8, &src, 0);
+	if (ret) {
+		fprintf(stderr, "ring setup failed: %d\n", ret);
+		return T_EXIT_FAIL;
+	}
+
+	ret = test(&src, 0);
+	if (ret && !no_msg) {
+		fprintf(stderr, "test failed\n");
+		return ret;
+	}
+	if (no_msg)
+		return T_EXIT_SKIP;
+
+	ret = test(&src, IORING_SETUP_IOPOLL);
+	if (ret) {
+		fprintf(stderr, "test IOPOLL failed\n");
+		return ret;
+	}
+
+	ret = test(&src, IORING_SETUP_DEFER_TASKRUN | IORING_SETUP_SINGLE_ISSUER);
+	if (ret) {
+		fprintf(stderr, "test defer failed\n");
+		return ret;
+	}
+
+	ret = test(&src, IORING_SETUP_DEFER_TASKRUN | IORING_SETUP_SINGLE_ISSUER | IORING_SETUP_IOPOLL);
+	if (ret) {
+		fprintf(stderr, "test defer IOPOLL failed\n");
+		return ret;
+	}
+
+	return T_EXIT_PASS;
+}