From 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 12:05:51 +0200 Subject: Adding upstream version 5.10.209. Signed-off-by: Daniel Baumann --- tools/testing/nvdimm/dimm_devs.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 tools/testing/nvdimm/dimm_devs.c (limited to 'tools/testing/nvdimm/dimm_devs.c') 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 +#include +#include +#include +#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; +} -- cgit v1.2.3