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36560efeab
Complete some clean-ups as reqested from the last review as follow-ups - Remove certificate from structure as no need to store it any more - Clean up return code handling - Moved freeing of signature to before admin object released (issue seen in testing when unloading module) - Minor code flow improvements Signed-off-by: Mark Pearson <markpearson@lenovo.com> Link: https://lore.kernel.org/r/20220321180624.4761-1-markpearson@lenovo.com Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
103 lines
2.1 KiB
C
103 lines
2.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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#ifndef _THINK_LMI_H_
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#define _THINK_LMI_H_
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#include <linux/types.h>
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#define TLMI_SETTINGS_COUNT 256
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#define TLMI_SETTINGS_MAXLEN 512
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#define TLMI_PWD_BUFSIZE 129
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#define TLMI_LANG_MAXLEN 4
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#define TLMI_INDEX_MAX 32
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/* Possible error values */
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struct tlmi_err_codes {
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const char *err_str;
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int err_code;
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};
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enum encoding_option {
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TLMI_ENCODING_ASCII,
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TLMI_ENCODING_SCANCODE,
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};
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enum level_option {
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TLMI_LEVEL_USER,
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TLMI_LEVEL_MASTER,
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};
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/* password configuration details */
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struct tlmi_pwdcfg_core {
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uint32_t password_mode;
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uint32_t password_state;
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uint32_t min_length;
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uint32_t max_length;
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uint32_t supported_encodings;
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uint32_t supported_keyboard;
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};
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struct tlmi_pwdcfg_ext {
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uint32_t hdd_user_password;
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uint32_t hdd_master_password;
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uint32_t nvme_user_password;
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uint32_t nvme_master_password;
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};
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struct tlmi_pwdcfg {
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struct tlmi_pwdcfg_core core;
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struct tlmi_pwdcfg_ext ext;
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};
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/* password setting details */
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struct tlmi_pwd_setting {
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struct kobject kobj;
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bool valid;
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char password[TLMI_PWD_BUFSIZE];
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const char *pwd_type;
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const char *role;
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int minlen;
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int maxlen;
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enum encoding_option encoding;
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char kbdlang[TLMI_LANG_MAXLEN];
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int index; /*Used for HDD and NVME auth */
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enum level_option level;
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bool cert_installed;
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char *signature;
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char *save_signature;
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};
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/* Attribute setting details */
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struct tlmi_attr_setting {
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struct kobject kobj;
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int index;
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char display_name[TLMI_SETTINGS_MAXLEN];
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char *possible_values;
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};
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struct think_lmi {
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struct wmi_device *wmi_device;
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bool can_set_bios_settings;
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bool can_get_bios_selections;
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bool can_set_bios_password;
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bool can_get_password_settings;
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bool pending_changes;
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bool can_debug_cmd;
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bool opcode_support;
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bool certificate_support;
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struct tlmi_attr_setting *setting[TLMI_SETTINGS_COUNT];
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struct device *class_dev;
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struct kset *attribute_kset;
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struct kset *authentication_kset;
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struct tlmi_pwdcfg pwdcfg;
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struct tlmi_pwd_setting *pwd_admin;
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struct tlmi_pwd_setting *pwd_power;
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struct tlmi_pwd_setting *pwd_system;
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struct tlmi_pwd_setting *pwd_hdd;
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struct tlmi_pwd_setting *pwd_nvme;
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};
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#endif /* !_THINK_LMI_H_ */
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