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path: root/drivers/cxl/pci.c
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Diffstat (limited to 'drivers/cxl/pci.c')
-rw-r--r--drivers/cxl/pci.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/cxl/pci.c b/drivers/cxl/pci.c
index c7996c2a2054..606c88ca902b 100644
--- a/drivers/cxl/pci.c
+++ b/drivers/cxl/pci.c
@@ -1036,6 +1036,16 @@ static ssize_t payload_max_show(struct device *dev,
}
static DEVICE_ATTR_RO(payload_max);
+static ssize_t label_storage_size_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct cxl_memdev *cxlmd = to_cxl_memdev(dev);
+ struct cxl_mem *cxlm = cxlmd->cxlm;
+
+ return sysfs_emit(buf, "%zu\n", cxlm->lsa_size);
+}
+static DEVICE_ATTR_RO(label_storage_size);
+
static ssize_t ram_size_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
@@ -1065,6 +1075,7 @@ static struct device_attribute dev_attr_pmem_size =
static struct attribute *cxl_memdev_attributes[] = {
&dev_attr_firmware_version.attr,
&dev_attr_payload_max.attr,
+ &dev_attr_label_storage_size.attr,
NULL,
};
@@ -1397,6 +1408,7 @@ static int cxl_mem_identify(struct cxl_mem *cxlm)
cxlm->pmem_range.end =
le64_to_cpu(id.persistent_capacity) * SZ_256M - 1;
+ cxlm->lsa_size = le32_to_cpu(id.lsa_size);
memcpy(cxlm->firmware_version, id.fw_revision, sizeof(id.fw_revision));
return 0;