| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| |
| #ifndef _THINK_LMI_H_ |
| #define _THINK_LMI_H_ |
| |
| #include <linux/types.h> |
| |
| #define TLMI_SETTINGS_COUNT 256 |
| #define TLMI_SETTINGS_MAXLEN 512 |
| #define TLMI_PWD_BUFSIZE 129 |
| #define TLMI_LANG_MAXLEN 4 |
| #define TLMI_INDEX_MAX 32 |
| |
| /* Possible error values */ |
| struct tlmi_err_codes { |
| const char *err_str; |
| int err_code; |
| }; |
| |
| enum encoding_option { |
| TLMI_ENCODING_ASCII, |
| TLMI_ENCODING_SCANCODE, |
| }; |
| |
| enum level_option { |
| TLMI_LEVEL_USER, |
| TLMI_LEVEL_MASTER, |
| }; |
| |
| /* password configuration details */ |
| struct tlmi_pwdcfg_core { |
| uint32_t password_mode; |
| uint32_t password_state; |
| uint32_t min_length; |
| uint32_t max_length; |
| uint32_t supported_encodings; |
| uint32_t supported_keyboard; |
| }; |
| |
| struct tlmi_pwdcfg_ext { |
| uint32_t hdd_user_password; |
| uint32_t hdd_master_password; |
| uint32_t nvme_user_password; |
| uint32_t nvme_master_password; |
| }; |
| |
| struct tlmi_pwdcfg { |
| struct tlmi_pwdcfg_core core; |
| struct tlmi_pwdcfg_ext ext; |
| }; |
| |
| /* password setting details */ |
| struct tlmi_pwd_setting { |
| struct kobject kobj; |
| bool valid; |
| char password[TLMI_PWD_BUFSIZE]; |
| const char *pwd_type; |
| const char *role; |
| int minlen; |
| int maxlen; |
| enum encoding_option encoding; |
| char kbdlang[TLMI_LANG_MAXLEN]; |
| int index; /*Used for HDD and NVME auth */ |
| enum level_option level; |
| bool cert_installed; |
| char *certificate; |
| char *signature; |
| char *save_signature; |
| }; |
| |
| /* Attribute setting details */ |
| struct tlmi_attr_setting { |
| struct kobject kobj; |
| int index; |
| char display_name[TLMI_SETTINGS_MAXLEN]; |
| char *possible_values; |
| }; |
| |
| struct think_lmi { |
| struct wmi_device *wmi_device; |
| |
| bool can_set_bios_settings; |
| bool can_get_bios_selections; |
| bool can_set_bios_password; |
| bool can_get_password_settings; |
| bool pending_changes; |
| bool can_debug_cmd; |
| bool opcode_support; |
| bool certificate_support; |
| |
| struct tlmi_attr_setting *setting[TLMI_SETTINGS_COUNT]; |
| struct device *class_dev; |
| struct kset *attribute_kset; |
| struct kset *authentication_kset; |
| |
| struct tlmi_pwdcfg pwdcfg; |
| struct tlmi_pwd_setting *pwd_admin; |
| struct tlmi_pwd_setting *pwd_power; |
| struct tlmi_pwd_setting *pwd_system; |
| struct tlmi_pwd_setting *pwd_hdd; |
| struct tlmi_pwd_setting *pwd_nvme; |
| }; |
| |
| #endif /* !_THINK_LMI_H_ */ |