| // SPDX-License-Identifier: GPL-2.0-or-later |
| /* |
| * Copyright (c) 2018 Cyril Hrubis <chrubis@suse.cz> |
| */ |
| |
| #ifndef TST_KCONFIG_H__ |
| #define TST_KCONFIG_H__ |
| |
| struct tst_kconfig_var { |
| char id[64]; |
| unsigned int id_len; |
| char choice; |
| char *val; |
| }; |
| |
| /** |
| * |
| * Reads a kernel config, parses it and writes results into an array of |
| * tst_kconfig_var structures. |
| * |
| * The path to the kernel config should be autodetected in most of the cases as |
| * the code looks for know locations. It can be explicitely set/overrided with |
| * the KCONFIG_PATH environment variable as well. |
| * |
| * The caller has to initialize the tst_kconfig_var structure. The id has to be |
| * filled with config variable name such as 'CONFIG_FOO', the id_len should |
| * hold the id string length and the choice and val has to be zeroed. |
| * |
| * After a call to this function each choice be set as follows: |
| * |
| * 'm' - config option set to m |
| * 'y' - config option set to y |
| * 'v' - config option set to other value |
| * 'n' - config option is not set |
| * 0 - config option not found |
| * |
| * In the case that match is set to 'v' the val pointer points to a newly |
| * allocated string that holds the value. |
| * |
| * @param vars An array of caller initalized tst_kconfig_var structures. |
| * @param vars_len Length of the vars array. |
| */ |
| void tst_kconfig_read(struct tst_kconfig_var vars[], size_t vars_len); |
| |
| /** |
| * Checks if required kernel configuration options are set in the kernel |
| * config and exits the test with TCONF if at least one is missing. |
| * |
| * The config options can be passed in two different formats, either |
| * "CONFIG_FOO" in which case the option has to be set in order to continue the |
| * test or with an explicit value "CONFIG_FOO=bar" in which case the value has |
| * to match. |
| * |
| * @param kconfigs NULL-terminated array of config strings needed for the testrun. |
| */ |
| void tst_kconfig_check(const char *const kconfigs[]); |
| |
| #endif /* TST_KCONFIG_H__ */ |