diff options
| author | Janosch Frank <[email protected]> | 2022-05-17 16:36:19 +0000 |
|---|---|---|
| committer | Christian Borntraeger <[email protected]> | 2022-06-01 16:57:14 +0200 |
| commit | ac640db3a0260541058e95e4acd249cc166cb0eb (patch) | |
| tree | 9db46d5f8b9a1920ed9c868e95a99a34f2d35620 /arch/s390/kernel/uv.c | |
| parent | 85165781c5d900d97052be1d2723f6929d56768d (diff) | |
s390/uv: Add SE hdr query information
We have information about the supported se header version and pcf bits
so let's expose it via the sysfs files.
Signed-off-by: Janosch Frank <[email protected]>
Reviewed-by: Claudio Imbrenda <[email protected]>
Reviewed-by: Steffen Eiden <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Message-Id: <[email protected]>
Signed-off-by: Christian Borntraeger <[email protected]>
Diffstat (limited to 'arch/s390/kernel/uv.c')
| -rw-r--r-- | arch/s390/kernel/uv.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/s390/kernel/uv.c b/arch/s390/kernel/uv.c index a5425075dd25..852840384e75 100644 --- a/arch/s390/kernel/uv.c +++ b/arch/s390/kernel/uv.c @@ -392,6 +392,24 @@ static ssize_t uv_query_facilities(struct kobject *kobj, static struct kobj_attribute uv_query_facilities_attr = __ATTR(facilities, 0444, uv_query_facilities, NULL); +static ssize_t uv_query_supp_se_hdr_ver(struct kobject *kobj, + struct kobj_attribute *attr, char *buf) +{ + return sysfs_emit(buf, "%lx\n", uv_info.supp_se_hdr_ver); +} + +static struct kobj_attribute uv_query_supp_se_hdr_ver_attr = + __ATTR(supp_se_hdr_ver, 0444, uv_query_supp_se_hdr_ver, NULL); + +static ssize_t uv_query_supp_se_hdr_pcf(struct kobject *kobj, + struct kobj_attribute *attr, char *buf) +{ + return sysfs_emit(buf, "%lx\n", uv_info.supp_se_hdr_pcf); +} + +static struct kobj_attribute uv_query_supp_se_hdr_pcf_attr = + __ATTR(supp_se_hdr_pcf, 0444, uv_query_supp_se_hdr_pcf, NULL); + static ssize_t uv_query_feature_indications(struct kobject *kobj, struct kobj_attribute *attr, char *buf) { @@ -437,6 +455,8 @@ static struct attribute *uv_query_attrs[] = { &uv_query_max_guest_cpus_attr.attr, &uv_query_max_guest_vms_attr.attr, &uv_query_max_guest_addr_attr.attr, + &uv_query_supp_se_hdr_ver_attr.attr, + &uv_query_supp_se_hdr_pcf_attr.attr, NULL, }; |