1 files changed, 96 insertions, 0 deletions
diff --git a/src/kernel/tests/testcases/kernel/syscalls/ioctl/ioctl_xloop07.c b/src/kernel/tests/testcases/kernel/syscalls/ioctl/ioctl_xloop07.c
new file mode 100644
index 0000000..b51a970
--- /dev/null
+++ b/src/kernel/tests/testcases/kernel/syscalls/ioctl/ioctl_xloop07.c
@@ -0,0 +1,96 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (c) 2020 FUJITSU LIMITED. All rights reserved.
+ * Author: Yang Xu <xuyang2018.jy@cn.jujitsu.com>
+ *
+ * This is a basic ioctl test about xloopdevice XLOOP_SET_STATUS64
+ * and XLOOP_GET_STATUS64.
+ * Test its xlo_sizelimit field. If xlo_sizelimit is 0,it means max
+ * available. If sizelimit is less than xloop_size, xloopsize will
+ * be truncated.
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <stdlib.h>
+#include "lapi/xloop.h"
+#include "tst_test.h"
+
+static char dev_path[1024], sys_xloop_sizepath[1024], sys_xloop_sizelimitpath[1024];
+static int dev_num, dev_fd, file_fd, attach_flag;
+
+static struct tcase {
+	unsigned int set_sizelimit;
+	unsigned int exp_xloopsize;
+	char *message;
+} tcases[] = {
+	{1024 * 4096, 2048, "When sizelimit is greater than xloopsize "},
+	{1024 * 512, 1024, "When sizelimit is less than xloopsize"},
+};
+
+static void verify_ioctl_xloop(unsigned int n)
+{
+	struct tcase *tc = &tcases[n];
+	struct xloop_info64 xloopinfo, xloopinfoget;
+
+	tst_res(TINFO, "%s", tc->message);
+	memset(&xloopinfo, 0, sizeof(xloopinfo));
+	memset(&xloopinfoget, 0, sizeof(xloopinfoget));
+
+	xloopinfo.xlo_sizelimit = tc->set_sizelimit;
+	TST_RETRY_FUNC(ioctl(dev_fd, XLOOP_SET_STATUS64, &xloopinfo), TST_RETVAL_EQ0);
+
+	TST_ASSERT_INT(sys_xloop_sizepath, tc->exp_xloopsize);
+	TST_ASSERT_INT(sys_xloop_sizelimitpath, tc->set_sizelimit);
+	SAFE_IOCTL(dev_fd, XLOOP_GET_STATUS64, &xloopinfoget);
+	if (xloopinfoget.xlo_sizelimit == tc->set_sizelimit)
+		tst_res(TPASS, "XLOOP_GET_STATUS64 gets correct xlo_sizelimit(%d)", tc->set_sizelimit);
+	else
+		tst_res(TFAIL, "XLOOP_GET_STATUS64 gets wrong xlo_sizelimit(%llu), expect %d",
+				xloopinfoget.xlo_sizelimit, tc->set_sizelimit);
+	/*Reset*/
+	xloopinfo.xlo_sizelimit = 0;
+	TST_RETRY_FUNC(ioctl(dev_fd, XLOOP_SET_STATUS, &xloopinfo), TST_RETVAL_EQ0);
+}
+
+static void setup(void)
+{
+	dev_num = tst_find_free_xloopdev(dev_path, sizeof(dev_path));
+	if (dev_num < 0)
+		tst_brk(TBROK, "Failed to find free xloop device");
+
+	tst_fill_file("test.img", 0, 1024 * 1024, 1);
+	tst_attach_device(dev_path, "test.img");
+	attach_flag = 1;
+
+	sprintf(sys_xloop_sizepath, "/sys/block/xloop%d/size", dev_num);
+	sprintf(sys_xloop_sizelimitpath, "/sys/block/xloop%d/xloop/sizelimit", dev_num);
+
+	dev_fd = SAFE_OPEN(dev_path, O_RDWR);
+	tst_res(TINFO, "original xloop size 2048 sectors");
+}
+
+static void cleanup(void)
+{
+	if (dev_fd > 0)
+		SAFE_CLOSE(dev_fd);
+	if (file_fd > 0)
+		SAFE_CLOSE(file_fd);
+	if (attach_flag)
+		tst_detach_device(dev_path);
+}
+
+static struct tst_test test = {
+	.setup = setup,
+	.cleanup = cleanup,
+	.test = verify_ioctl_xloop,
+	.tcnt = ARRAY_SIZE(tcases),
+	.needs_root = 1,
+	.needs_tmpdir = 1,
+	.needs_drivers = (const char *const []) {
+		"xloop",
+		"xloop_file_fmt_raw",
+		NULL
+	}
+};