From d9875bf05b18a022f352201fec2e517e72236ca4 Mon Sep 17 00:00:00 2001 From: Jianquan Lin Date: Mon, 17 Nov 2025 14:25:58 +0800 Subject: [PATCH] ub:ubus: Add ummu_map attribute in sysfs driver inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/ID77OO CVE: NA ----------------------------------------------------------- Add ummu_map attribute in sysfs Signed-off-by: Jianquan Lin --- drivers/ub/ubus/sysfs.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/ub/ubus/sysfs.c b/drivers/ub/ubus/sysfs.c index a583cf7efa97..2e997c5c5f1a 100644 --- a/drivers/ub/ubus/sysfs.c +++ b/drivers/ub/ubus/sysfs.c @@ -325,6 +325,15 @@ static ssize_t primary_cna_show(struct device *dev, } DEVICE_ATTR_RO(primary_cna); +static ssize_t ummu_map_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct ub_entity *uent = to_ub_entity(dev); + + return sysfs_emit(buf, "%#04x\n", uent->ubc->attr.ummu_map); +} +DEVICE_ATTR_RO(ummu_map); + static ssize_t instance_show(struct device *dev, struct device_attribute *attr, char *buf) { @@ -393,6 +402,7 @@ static struct attribute *ub_entity_attrs[] = { &dev_attr_tid.attr, &dev_attr_primary_entity.attr, &dev_attr_kref.attr, + &dev_attr_ummu_map.attr, NULL }; -- Gitee