diff options
Diffstat (limited to 'src/kernel/tests/testcases/kernel/syscalls/ioctl/ioctl_xloop06.c')
| -rw-r--r-- | src/kernel/tests/testcases/kernel/syscalls/ioctl/ioctl_xloop06.c | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/src/kernel/tests/testcases/kernel/syscalls/ioctl/ioctl_xloop06.c b/src/kernel/tests/testcases/kernel/syscalls/ioctl/ioctl_xloop06.c new file mode 100644 index 0000000..4bfa63e --- /dev/null +++ b/src/kernel/tests/testcases/kernel/syscalls/ioctl/ioctl_xloop06.c @@ -0,0 +1,144 @@ +// 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 error test about the invalid block size of xloopdevice + * by using XLOOP_SET_BLOCK_SIZE or XLOOP_CONFIGURE ioctl. + */ + +#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]; +static int dev_num, dev_fd, file_fd, attach_flag, xloop_configure_sup = 1; +static unsigned int invalid_value, half_value, unalign_value; +static struct xloop_config xloopconfig; + +static struct tcase { + unsigned int *setvalue; + int ioctl_flag; + char *message; +} tcases[] = { + {&half_value, XLOOP_SET_BLOCK_SIZE, + "Using XLOOP_SET_BLOCK_SIZE with arg < 512"}, + + {&invalid_value, XLOOP_SET_BLOCK_SIZE, + "Using XLOOP_SET_BLOCK_SIZE with arg > PAGE_SIZE"}, + + {&unalign_value, XLOOP_SET_BLOCK_SIZE, + "Using XLOOP_SET_BLOCK_SIZE with arg != power_of_2"}, + + {&half_value, XLOOP_CONFIGURE, + "Using XLOOP_CONFIGURE with block_size < 512"}, + + {&invalid_value, XLOOP_CONFIGURE, + "Using XLOOP_CONFIGURE with block_size > PAGE_SIZE"}, + + {&unalign_value, XLOOP_CONFIGURE, + "Using XLOOP_CONFIGURE with block_size != power_of_2"}, +}; + +static void verify_ioctl_xloop(unsigned int n) +{ + if (tcases[n].ioctl_flag == XLOOP_CONFIGURE) + TEST(ioctl(dev_fd, XLOOP_CONFIGURE, &xloopconfig)); + else + TEST(ioctl(dev_fd, XLOOP_SET_BLOCK_SIZE, *(tcases[n].setvalue))); + + if (TST_RET == 0) { + tst_res(TFAIL, "Set block size succeed unexpectedly"); + if (tcases[n].ioctl_flag == XLOOP_CONFIGURE) + tst_detach_device_by_fd(dev_path, dev_fd); + return; + } + if (TST_ERR == EINVAL) + tst_res(TPASS | TTERRNO, "Set block size failed as expected"); + else + tst_res(TFAIL | TTERRNO, "Set block size failed expected EINVAL got"); +} + +static void run(unsigned int n) +{ + struct tcase *tc = &tcases[n]; + + tst_res(TINFO, "%s", tc->message); + if (tc->ioctl_flag == XLOOP_SET_BLOCK_SIZE) { + if (!attach_flag) { + tst_attach_device(dev_path, "test.img"); + attach_flag = 1; + } + verify_ioctl_xloop(n); + return; + } + + if (tc->ioctl_flag == XLOOP_CONFIGURE && !xloop_configure_sup) { + tst_res(TCONF, "XLOOP_CONFIGURE ioctl not supported"); + return; + } + if (attach_flag) { + tst_detach_device_by_fd(dev_path, dev_fd); + attach_flag = 0; + } + xloopconfig.block_size = *(tc->setvalue); + verify_ioctl_xloop(n); +} + +static void setup(void) +{ + unsigned int pg_size; + int ret; + + 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); + half_value = 256; + pg_size = getpagesize(); + invalid_value = pg_size * 2 ; + unalign_value = pg_size - 1; + + dev_fd = SAFE_OPEN(dev_path, O_RDWR); + + if (ioctl(dev_fd, XLOOP_SET_BLOCK_SIZE, 512) && errno == EINVAL) + tst_brk(TCONF, "XLOOP_SET_BLOCK_SIZE is not supported"); + + file_fd = SAFE_OPEN("test.img", O_RDWR); + xloopconfig.fd = -1; + ret = ioctl(dev_fd, XLOOP_CONFIGURE, &xloopconfig); + if (ret && errno != EBADF) { + tst_res(TINFO | TERRNO, "XLOOP_CONFIGURE is not supported"); + xloop_configure_sup = 0; + return; + } + xloopconfig.fd = file_fd; +} + +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 = run, + .tcnt = ARRAY_SIZE(tcases), + .needs_root = 1, + .needs_tmpdir = 1, + .needs_drivers = (const char *const []) { + "xloop", + "xloop_file_fmt_raw", + NULL + } +}; |