forked from luck/tmp_suning_uos_patched
266c7bf52a
The override status function needs to be updated to use the proper
request parameter in order to get the security state.
Fixes: 3c13e2ac74 ("...Add test support for Intel nvdimm security DSMs")
Reported-by: Vishal Verma <vishal.l.verma@intel.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
42 lines
1.0 KiB
C
42 lines
1.0 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/* Copyright Intel Corp. 2018 */
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/moduleparam.h>
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#include <linux/nd.h>
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#include "pmem.h"
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#include "pfn.h"
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#include "nd.h"
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#include "nd-core.h"
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ssize_t security_show(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct nvdimm *nvdimm = to_nvdimm(dev);
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/*
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* For the test version we need to poll the "hardware" in order
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* to get the updated status for unlock testing.
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*/
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nvdimm->sec.state = nvdimm_security_state(nvdimm, NVDIMM_USER);
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nvdimm->sec.ext_state = nvdimm_security_state(nvdimm, NVDIMM_MASTER);
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switch (nvdimm->sec.state) {
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case NVDIMM_SECURITY_DISABLED:
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return sprintf(buf, "disabled\n");
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case NVDIMM_SECURITY_UNLOCKED:
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return sprintf(buf, "unlocked\n");
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case NVDIMM_SECURITY_LOCKED:
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return sprintf(buf, "locked\n");
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case NVDIMM_SECURITY_FROZEN:
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return sprintf(buf, "frozen\n");
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case NVDIMM_SECURITY_OVERWRITE:
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return sprintf(buf, "overwrite\n");
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default:
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return -ENOTTY;
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}
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return -ENOTTY;
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}
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