From: Cyril Hrubis <chrubis@suse.cz>
To: Andrea Cervesato <andrea.cervesato@suse.de>
Cc: Linux Test Project <ltp@lists.linux.it>
Subject: Re: [LTP] [PATCH v7 2/2] doc: Complete struct tst_test table and shell API docs
Date: Wed, 10 Jun 2026 12:03:02 +0200 [thread overview]
Message-ID: <aik2VjAKb_EUYNsv@yuki.lan> (raw)
In-Reply-To: <20260609-doc_add_missing_headers-v7-2-779c18caddef@suse.com>
Hi!
> +Shell API variables
> +-------------------
> +
> +The following variables are available to shell tests. Variables marked
> +*input* are set by the test before sourcing ``tst_run.sh``; variables
> +marked *output* are set by the library for tests to read.
> +
> +Test definition (input)
> +~~~~~~~~~~~~~~~~~~~~~~~
> +
> +``TST_TESTFUNC``
> + Name of the test function (required).
> +
> +``TST_CNT``
> + Number of test cases. When set the test function is called
> + ``TST_CNT`` times with a counter argument.
> +
> +``TST_SETUP``
> + Name of the setup function (called once before tests).
> +
> +``TST_CLEANUP``
> + Name of the cleanup function (called once after tests or on
> + ``tst_brk``).
> +
> +``TST_OPTS``
> + Extra getopts option string.
> +
> +``TST_PARSE_ARGS``
> + Name of a function to parse extra options from ``TST_OPTS``.
> +
> +``TST_USAGE``
> + Name of a function printing extra usage information.
> +
> +``TST_POS_ARGS``
> + Number of expected positional arguments.
> +
> +``TST_TEST_DATA``
> + Space-separated data passed as a second argument to the test
> + function.
> +
> +``TST_TEST_DATA_IFS``
> + Custom delimiter for ``TST_TEST_DATA`` (default: space).
> +
> +Requirements (input)
> +~~~~~~~~~~~~~~~~~~~~
> +
> +``TST_NEEDS_ROOT``
> + Set to 1 to require root privileges.
> +
> +``TST_NEEDS_TMPDIR``
> + Set to 1 to create a temporary directory.
> +
> +``TST_NEEDS_DEVICE``
> + Set to 1 to prepare a block device.
> +
> +``TST_NEEDS_CMDS``
> + Space-separated list of required commands.
> +
> +``TST_NEEDS_MODULE``
> + Kernel module name that must be loadable.
> +
> +``TST_NEEDS_DRIVERS``
> + Space-separated list of required kernel drivers.
> +
> +``TST_NEEDS_KCONFIGS``
> + Space-separated list of required kernel config options
> + (e.g. ``CONFIG_NUMA=y``).
> +
> +``TST_NEEDS_KCONFIGS_IFS``
> + Custom delimiter for ``TST_NEEDS_KCONFIGS`` (default: comma).
> +
> +``TST_NEEDS_CHECKPOINTS``
> + Set to 1 to enable checkpoint support.
> +
> +``TST_MIN_KVER``
> + Minimum kernel version string (e.g. ``4.18``).
> +
> +Device and filesystem (input)
> +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> +
> +``TST_FORMAT_DEVICE``
> + Set to 1 to format ``TST_DEVICE`` before the test.
> +
> +``TST_MOUNT_DEVICE``
> + Set to 1 to mount ``TST_DEVICE`` at ``TST_MNTPOINT``.
> +
> +``TST_DEV_EXTRA_OPTS``
> + Extra options passed to ``mkfs``.
> +
> +``TST_DEV_FS_OPTS``
> + Extra filesystem-specific ``mkfs`` options.
> +
> +``TST_FS_TYPE``
> + Filesystem type for formatting (default: ``ext2``).
> +
> +``TST_DEVICE_SIZE``
> + Device size in MB.
> +
> +``TST_ALL_FILESYSTEMS``
> + Set to 1 to repeat the test for each supported filesystem.
> +
> +``TST_SKIP_FILESYSTEMS``
> + Space-separated list of filesystems to skip.
> +
> +``TST_MNT_PARAMS``
> + Mount flags/options string.
> +
> +Miscellaneous (input)
> +~~~~~~~~~~~~~~~~~~~~~
> +
> +``TST_SKIP_IN_LOCKDOWN``
> + Set to 1 to skip when kernel lockdown is active.
> +
> +``TST_SKIP_IN_SECUREBOOT``
> + Set to 1 to skip when Secure Boot is enabled.
> +
> +``TST_DISABLE_APPARMOR``
> + Set to 1 to disable AppArmor before the test runs (requires root).
> +
> +``TST_DISABLE_SELINUX``
> + Set to 1 to put SELinux in permissive mode before the test runs
> + (requires root).
> +
> +``TST_SKIP_LSM_WARNINGS``
> + Set to 1 to suppress the library's warnings about active LSMs
> + (AppArmor, SELinux) at startup.
> +
> +``TST_NO_DEFAULT_RUN``
> + Set to a non-empty value to source ``tst_test.sh`` without invoking
> + ``tst_run`` automatically. Useful for shell libraries that build on
> + top of the test API.
> +
> +``TST_TIMEOUT``
> + Test timeout in seconds.
> +
> +``TST_TMPDIR_RHOST``
> + Set to 1 to also clean up the temporary directory on the remote
> + host (used by network tests).
> +
> +Output variables
> +~~~~~~~~~~~~~~~~
> +
> +``TST_TMPDIR``
> + Path to the temporary directory (when ``TST_NEEDS_TMPDIR=1``).
> +
> +``TST_STARTWD``
> + Original working directory before ``chdir`` to ``TST_TMPDIR``.
> +
> +``TST_DEVICE``
> + Block device path (when ``TST_NEEDS_DEVICE=1``).
> +
> +``TST_MNTPOINT``
> + Mount point path.
> +
> +``TST_MODPATH``
> + Path to the loaded kernel module.
> +
> +Checkpoint functions
> +~~~~~~~~~~~~~~~~~~~~
> +
> +``TST_CHECKPOINT_WAIT``
> + Wait on checkpoint (argument: checkpoint id).
> +
> +``TST_CHECKPOINT_WAKE``
> + Wake one waiter on checkpoint (argument: checkpoint id).
> +
> +``TST_CHECKPOINT_WAKE2``
> + Wake multiple waiters (arguments: checkpoint id, count).
> +
> +``TST_CHECKPOINT_WAKE_AND_WAIT``
> + Wake one waiter and then wait (argument: checkpoint id).
This is the old shell API that is eventually going away.
The API that is going to stay is the JSON comment in the test.
--
Cyril Hrubis
chrubis@suse.cz
--
Mailing list info: https://lists.linux.it/listinfo/ltp
next prev parent reply other threads:[~2026-06-10 10:03 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-09 10:31 [LTP] [PATCH v7 0/2] doc: Add missing headers and complete API docs Andrea Cervesato
2026-06-09 10:31 ` [LTP] [PATCH v7 1/2] doc: Add missing API references to api_c_tests.rst Andrea Cervesato
2026-06-09 12:43 ` [LTP] " linuxtestproject.agent
2026-06-10 13:48 ` [LTP] [PATCH v7 1/2] " Cyril Hrubis
2026-06-09 10:31 ` [LTP] [PATCH v7 2/2] doc: Complete struct tst_test table and shell API docs Andrea Cervesato
2026-06-10 10:03 ` Cyril Hrubis [this message]
2026-06-12 8:05 ` Andrea Cervesato via ltp
2026-06-12 8:16 ` Cyril Hrubis
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=aik2VjAKb_EUYNsv@yuki.lan \
--to=chrubis@suse.cz \
--cc=andrea.cervesato@suse.de \
--cc=ltp@lists.linux.it \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox