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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /tools/testing/nvdimm/dimm_devs.c
parentInitial commit. (diff)
downloadlinux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz
linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip
Adding upstream version 5.10.209.upstream/5.10.209
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/testing/nvdimm/dimm_devs.c')
-rw-r--r--tools/testing/nvdimm/dimm_devs.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/tools/testing/nvdimm/dimm_devs.c b/tools/testing/nvdimm/dimm_devs.c
new file mode 100644
index 000000000..57bd27ded
--- /dev/null
+++ b/tools/testing/nvdimm/dimm_devs.c
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright Intel Corp. 2018 */
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/nd.h>
+#include "pmem.h"
+#include "pfn.h"
+#include "nd.h"
+#include "nd-core.h"
+
+ssize_t security_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct nvdimm *nvdimm = to_nvdimm(dev);
+
+ /*
+ * For the test version we need to poll the "hardware" in order
+ * to get the updated status for unlock testing.
+ */
+ nvdimm->sec.flags = nvdimm_security_flags(nvdimm, NVDIMM_USER);
+
+ if (test_bit(NVDIMM_SECURITY_DISABLED, &nvdimm->sec.flags))
+ return sprintf(buf, "disabled\n");
+ if (test_bit(NVDIMM_SECURITY_UNLOCKED, &nvdimm->sec.flags))
+ return sprintf(buf, "unlocked\n");
+ if (test_bit(NVDIMM_SECURITY_LOCKED, &nvdimm->sec.flags))
+ return sprintf(buf, "locked\n");
+ return -ENOTTY;
+}