linux-kernel - [PATCH v2 2/5] x86/platform/uv: Add sysfs leaves to replace those in procfs

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Date:   Fri, 27 Nov 2020 21:42:24 -0600
From:   Mike Travis <mike.travis@....com>
To:     Hans de Goede <hdegoede@...hat.com>,
        Justin Ernst <justin.ernst@....com>,
        Mark Gross <mgross@...ux.intel.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        x86@...nel.org, Steve Wahl <steve.wahl@....com>
Cc:     Mike Travis <mike.travis@....com>,
        Dimitri Sivanich <dimitri.sivanich@....com>,
        Russ Anderson <russ.anderson@....com>,
        "H. Peter Anvin" <hpa@...or.com>,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Ilya Dryomov <idryomov@...il.com>,
        linux-kernel@...r.kernel.org, platform-driver-x86@...r.kernel.org
Subject: [PATCH v2 2/5] x86/platform/uv: Add sysfs leaves to replace those in procfs

Add uv_sysfs leaves to display the info.

Signed-off-by: Mike Travis <mike.travis@....com>
Reviewed-by: Steve Wahl <steve.wahl@....com>
---
 drivers/platform/x86/uv_sysfs.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/drivers/platform/x86/uv_sysfs.c b/drivers/platform/x86/uv_sysfs.c
index 54c342579f1c..115754cdcd89 100644
--- a/drivers/platform/x86/uv_sysfs.c
+++ b/drivers/platform/x86/uv_sysfs.c
@@ -735,17 +735,35 @@ static ssize_t uv_type_show(struct kobject *kobj,
 	return scnprintf(buf, PAGE_SIZE, "%s\n", uv_type_string());
 }
 
+static ssize_t uv_archtype_show(struct kobject *kobj,
+			struct kobj_attribute *attr, char *buf)
+{
+	return uv_get_archtype(buf, PAGE_SIZE);
+}
+
+static ssize_t uv_hub_type_show(struct kobject *kobj,
+			struct kobj_attribute *attr, char *buf)
+{
+	return scnprintf(buf, PAGE_SIZE, "0x%x\n", uv_hub_type());
+}
+
 static struct kobj_attribute partition_id_attr =
 	__ATTR(partition_id, 0444, partition_id_show, NULL);
 static struct kobj_attribute coherence_id_attr =
 	__ATTR(coherence_id, 0444, coherence_id_show, NULL);
 static struct kobj_attribute uv_type_attr =
 	__ATTR(uv_type, 0444, uv_type_show, NULL);
+static struct kobj_attribute uv_archtype_attr =
+	__ATTR(archtype, 0444, uv_archtype_show, NULL);
+static struct kobj_attribute uv_hub_type_attr =
+	__ATTR(hub_type, 0444, uv_hub_type_show, NULL);
 
 static struct attribute *base_attrs[] = {
 	&partition_id_attr.attr,
 	&coherence_id_attr.attr,
 	&uv_type_attr.attr,
+	&uv_archtype_attr.attr,
+	&uv_hub_type_attr.attr,
 	NULL,
 };
 
-- 
2.21.0