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-rw-r--r--drivers/platform/x86/think-lmi.h103
1 files changed, 103 insertions, 0 deletions
diff --git a/drivers/platform/x86/think-lmi.h b/drivers/platform/x86/think-lmi.h
new file mode 100644
index 0000000000..4daba6151c
--- /dev/null
+++ b/drivers/platform/x86/think-lmi.h
@@ -0,0 +1,103 @@
+/* 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 *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_ */