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path: root/drivers/cxl/core/memdev.c
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Diffstat (limited to 'drivers/cxl/core/memdev.c')
-rw-r--r--drivers/cxl/core/memdev.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/cxl/core/memdev.c b/drivers/cxl/core/memdev.c
index 61029cb7ac62..1e574b052583 100644
--- a/drivers/cxl/core/memdev.c
+++ b/drivers/cxl/core/memdev.c
@@ -89,7 +89,18 @@ static ssize_t pmem_size_show(struct device *dev, struct device_attribute *attr,
static struct device_attribute dev_attr_pmem_size =
__ATTR(size, 0444, pmem_size_show, NULL);
+static ssize_t serial_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct cxl_memdev *cxlmd = to_cxl_memdev(dev);
+ struct cxl_dev_state *cxlds = cxlmd->cxlds;
+
+ return sysfs_emit(buf, "%#llx\n", cxlds->serial);
+}
+static DEVICE_ATTR_RO(serial);
+
static struct attribute *cxl_memdev_attributes[] = {
+ &dev_attr_serial.attr,
&dev_attr_firmware_version.attr,
&dev_attr_payload_max.attr,
&dev_attr_label_storage_size.attr,