[PATCH 5/5] test: add zone_reset_all command test

[Christoph Hellwig <hch@lst.de>]

Basic sanity checking for the zone_reset_all command, mostly taken from
the discard test.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
---
 test/Makefile             |   1 +
 test/cmd-zone-reset-all.c | 164 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 165 insertions(+)
 create mode 100644 test/cmd-zone-reset-all.c

diff --git a/test/Makefile b/test/Makefile
index d88a428774cc..8b276817d33c 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -90,6 +90,7 @@ test_srcs := \
 	connect-rep.c \
 	coredump.c \
 	cmd-discard.c \
+	cmd-zone-reset-all.c \
 	cq-full.c \
 	cq-overflow.c \
 	cq-peek-batch.c \
diff --git a/test/cmd-zone-reset-all.c b/test/cmd-zone-reset-all.c
new file mode 100644
index 000000000000..5d8fe4d5f380
--- /dev/null
+++ b/test/cmd-zone-reset-all.c
@@ -0,0 +1,164 @@
+/* SPDX-License-Identifier: MIT */
+
+#include <stdio.h>
+#include <assert.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <sys/ioctl.h>
+#include <linux/fs.h>
+
+#include "liburing.h"
+#include "helpers.h"
+
+static const char *filename;
+
+static int queue_zone_reset_all(struct io_uring *ring, int bdev_fd)
+{
+	struct io_uring_sqe *sqe;
+	struct io_uring_cqe *cqe;
+	int err;
+
+	sqe = io_uring_get_sqe(ring);
+	assert(sqe != NULL);
+	io_uring_prep_cmd_zone_reset_all(sqe, bdev_fd);
+
+	err = io_uring_submit_and_wait(ring, 1);
+	if (err != 1) {
+		fprintf(stderr, "io_uring_submit_and_wait failed %d\n", err);
+		exit(1);
+	}
+
+	err = io_uring_wait_cqe(ring, &cqe);
+	if (err) {
+		fprintf(stderr, "io_uring_wait_cqe failed %d\n", err);
+		exit(1);
+	}
+
+	err = cqe->res;
+	io_uring_cqe_seen(ring, cqe);
+	return err;
+}
+
+
+static int basic_cmd_test(struct io_uring *ring)
+{
+	int ret, fd;
+
+	fd = open(filename, O_DIRECT | O_RDWR | O_EXCL);
+	if (fd < 0) {
+		if (errno == EINVAL || errno == EBUSY)
+			return T_EXIT_SKIP;
+		fprintf(stderr, "open failed %i\n", errno);
+		return T_EXIT_FAIL;
+	}
+
+	ret = queue_zone_reset_all(ring, fd);
+	if (ret) {
+		if (ret == -EINVAL || ret == -EOPNOTSUPP) {
+			printf("cmd not supported, skip\n");
+			ret = T_EXIT_SKIP;
+		} else {
+			fprintf(stderr, "cmd_issue_verify fail ret %i\n", ret);
+			fprintf(stderr, "cmd fail\n");
+			ret = T_EXIT_FAIL;
+		}
+	}
+
+	close(fd);
+	return ret;
+}
+
+static int test_rdonly(struct io_uring *ring)
+{
+	int ret, fd;
+	int ro;
+
+	fd = open(filename, O_DIRECT | O_RDONLY | O_EXCL);
+	if (fd < 0) {
+		if (errno == EINVAL || errno == EBUSY)
+			return T_EXIT_SKIP;
+		fprintf(stderr, "open failed %i\n", errno);
+		return T_EXIT_FAIL;
+	}
+
+	ret = queue_zone_reset_all(ring, fd);
+	if (ret >= 0) {
+		fprintf(stderr, "discarded with O_RDONLY %i\n", ret);
+		return 1;
+	}
+	close(fd);
+
+	fd = open(filename, O_DIRECT | O_RDWR | O_EXCL);
+	if (fd < 0) {
+		if (errno == EINVAL || errno == EBUSY)
+			return T_EXIT_SKIP;
+		fprintf(stderr, "open failed %i\n", errno);
+		return T_EXIT_FAIL;
+	}
+
+	ro = 1;
+	ret = ioctl(fd, BLKROSET, &ro);
+	if (ret) {
+		fprintf(stderr, "BLKROSET 1 failed %i\n", errno);
+		return T_EXIT_FAIL;
+	}
+
+	ret = queue_zone_reset_all(ring, fd);
+	if (ret >= 0) {
+		fprintf(stderr, "discarded with O_RDONLY %i\n", ret);
+		return 1;
+	}
+
+	ro = 0;
+	ret = ioctl(fd, BLKROSET, &ro);
+	if (ret) {
+		fprintf(stderr, "BLKROSET 0 failed %i\n", errno);
+		return T_EXIT_FAIL;
+	}
+	close(fd);
+	return 0;
+}
+
+int main(int argc, char *argv[])
+{
+	struct io_uring ring;
+	int fd, ret;
+
+	if (argc != 2)
+		return T_EXIT_SKIP;
+	filename = argv[1];
+
+	fd = open(filename, O_DIRECT | O_RDONLY | O_EXCL);
+	if (fd < 0) {
+		if (errno == EINVAL || errno == EBUSY)
+			return T_EXIT_SKIP;
+		fprintf(stderr, "open failed %i\n", errno);
+		return T_EXIT_FAIL;
+	}
+	close(fd);
+
+	ret = io_uring_queue_init(16, &ring, 0);
+	if (ret) {
+		fprintf(stderr, "queue init failed: %d\n", ret);
+		return T_EXIT_FAIL;
+	}
+
+	ret = basic_cmd_test(&ring);
+	if (ret == T_EXIT_FAIL) {
+		fprintf(stderr, "basic_cmd_test() failed\n");
+		return T_EXIT_FAIL;
+	}
+
+	ret = test_rdonly(&ring);
+	if (ret == T_EXIT_FAIL) {
+		fprintf(stderr, "test_rdonly() failed\n");
+		return T_EXIT_FAIL;
+	}
+
+	if (ret != T_EXIT_SKIP)
+		ret = T_EXIT_PASS;
+
+	io_uring_queue_exit(&ring);
+	return ret;
+}
-- 
2.53.0