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author | Manuel Bentele | 2020-10-23 15:18:01 +0200 |
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committer | Manuel Bentele | 2020-10-23 15:18:01 +0200 |
commit | dbb41ce2b7f309d394054a6bd1e33afd578798a5 (patch) | |
tree | 6a31092063d9f2fb5ac5720ec6759040e793c3d5 /src/kernel/tests/testcases/kernel/syscalls/ioctl/ioctl_xloop07.c | |
parent | Set Linux kernel version to unknown if it is not detectable (diff) | |
download | xloop-dbb41ce2b7f309d394054a6bd1e33afd578798a5.tar.gz xloop-dbb41ce2b7f309d394054a6bd1e33afd578798a5.tar.xz xloop-dbb41ce2b7f309d394054a6bd1e33afd578798a5.zip |
Move the source code of all xloop components to the common 'src' directory
Diffstat (limited to 'src/kernel/tests/testcases/kernel/syscalls/ioctl/ioctl_xloop07.c')
-rw-r--r-- | src/kernel/tests/testcases/kernel/syscalls/ioctl/ioctl_xloop07.c | 96 |
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 + } +}; |