diff options
Diffstat (limited to 'arch/s390/kernel/ipl.c')
| -rw-r--r-- | arch/s390/kernel/ipl.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c index 6f2bb64cf70e..e123c0df83f1 100644 --- a/arch/s390/kernel/ipl.c +++ b/arch/s390/kernel/ipl.c @@ -283,6 +283,20 @@ static ssize_t ipl_secure_show(struct kobject *kobj, static struct kobj_attribute sys_ipl_secure_attr = __ATTR(secure, 0444, ipl_secure_show, NULL); +static ssize_t ipl_has_secure_show(struct kobject *kobj, + struct kobj_attribute *attr, char *page) +{ + if (MACHINE_IS_LPAR) + return sprintf(page, "%i\n", !!sclp.has_sipl); + else if (MACHINE_IS_VM) + return sprintf(page, "%i\n", !!sclp.has_sipl_g2); + else + return sprintf(page, "%i\n", 0); +} + +static struct kobj_attribute sys_ipl_has_secure_attr = + __ATTR(has_secure, 0444, ipl_has_secure_show, NULL); + static ssize_t ipl_vm_parm_show(struct kobject *kobj, struct kobj_attribute *attr, char *page) { @@ -379,6 +393,7 @@ static struct attribute *ipl_fcp_attrs[] = { &sys_ipl_fcp_br_lba_attr.attr, &sys_ipl_ccw_loadparm_attr.attr, &sys_ipl_secure_attr.attr, + &sys_ipl_has_secure_attr.attr, NULL, }; @@ -395,6 +410,7 @@ static struct attribute *ipl_ccw_attrs_vm[] = { &sys_ipl_ccw_loadparm_attr.attr, &sys_ipl_vm_parm_attr.attr, &sys_ipl_secure_attr.attr, + &sys_ipl_has_secure_attr.attr, NULL, }; @@ -403,6 +419,7 @@ static struct attribute *ipl_ccw_attrs_lpar[] = { &sys_ipl_device_attr.attr, &sys_ipl_ccw_loadparm_attr.attr, &sys_ipl_secure_attr.attr, + &sys_ipl_has_secure_attr.attr, NULL, }; |