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platform/x86: think-lmi: Add certificate as mechanism

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As both password or certificate authentication are available as mechanisms
update the documentation to add certificate as an option

Update driver to return correct mechanism appropriately.

Signed-off-by: Mark Pearson <mpearson-lenovo@squebb.ca>
Link: https://lore.kernel.org/r/20241024195536.6992-2-mpearson-lenovo@squebb.ca
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
This commit is contained in:
Mark Pearson 2024-10-24 15:55:22 -04:00 committed by Ilpo Järvinen
parent b39e8ece93
commit c7842e69e4
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2 changed files with 5 additions and 1 deletions
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2
Documentation/ABI/testing/sysfs-class-firmware-attributes
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@ -193,7 +193,7 @@ Description:
mechanism:
The means of authentication. This attribute is mandatory.
Only supported type currently is "password".
Supported types are "password" or "certificate".
max_password_length:
A file that can be read to obtain the

4
drivers/platform/x86/think-lmi.c
View File

@ -524,6 +524,10 @@ static struct kobj_attribute auth_max_pass_length = __ATTR_RO(max_password_lengt
static ssize_t mechanism_show(struct kobject *kobj, struct kobj_attribute *attr,
char *buf)
{
struct tlmi_pwd_setting *setting = to_tlmi_pwd_setting(kobj);
if (setting->cert_installed)
return sysfs_emit(buf, "certificate\n");
return sysfs_emit(buf, "password\n");
}
static struct kobj_attribute auth_mechanism = __ATTR_RO(mechanism);