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| author |   Dave Jiang <dave.jiang@intel.com> | 2018-12-10 13:32:16 -0700 |
|---|---|---|
| committer |   Dan Williams <dan.j.williams@intel.com> | 2018-12-21 12:44:41 -0800 |
| commit | 926f74802cb1ce0ef0c3b9f806ea542beb57e50d (patch) | |
| tree | c29d2ade441068f718cf5744539a8a18f926274c /tools/testing/nvdimm/test | |
| parent | tools/testing/nvdimm: Add test support for Intel nvdimm security DSMs (diff) | |
| download | linux-dev-926f74802cb1ce0ef0c3b9f806ea542beb57e50d.tar.xz linux-dev-926f74802cb1ce0ef0c3b9f806ea542beb57e50d.zip | |
tools/testing/nvdimm: Add overwrite support for nfit_test
With the implementation of Intel NVDIMM DSM overwrite, we are adding unit
test to nfit_test for testing of overwrite operation.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'tools/testing/nvdimm/test')
| -rw-r--r-- | tools/testing/nvdimm/test/nfit.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/tools/testing/nvdimm/test/nfit.c b/tools/testing/nvdimm/test/nfit.c index 30f89fd740d9..3162fbf6e8a9 100644 --- a/tools/testing/nvdimm/test/nfit.c +++ b/tools/testing/nvdimm/test/nfit.c @@ -145,6 +145,7 @@ static int dimm_fail_cmd_code[ARRAY_SIZE(handle)]; struct nfit_test_sec { u8 state; u8 passphrase[32]; + u64 overwrite_end_time; } dimm_sec_info[NUM_DCR]; static const struct nd_intel_smart smart_def = { @@ -1069,6 +1070,50 @@ static int nd_intel_test_cmd_secure_erase(struct nfit_test *t, return 0; } +static int nd_intel_test_cmd_overwrite(struct nfit_test *t, + struct nd_intel_overwrite *nd_cmd, + unsigned int buf_len, int dimm) +{ + struct device *dev = &t->pdev.dev; + struct nfit_test_sec *sec = &dimm_sec_info[dimm]; + + if ((sec->state & ND_INTEL_SEC_STATE_ENABLED) && + memcmp(nd_cmd->passphrase, sec->passphrase, + ND_INTEL_PASSPHRASE_SIZE) != 0) { + nd_cmd->status = ND_INTEL_STATUS_INVALID_PASS; + dev_dbg(dev, "overwrite: wrong passphrase\n"); + return 0; + } + + memset(sec->passphrase, 0, ND_INTEL_PASSPHRASE_SIZE); + sec->state = ND_INTEL_SEC_STATE_OVERWRITE; + dev_dbg(dev, "overwrite progressing.\n"); + sec->overwrite_end_time = get_jiffies_64() + 5 * HZ; + + return 0; +} + +static int nd_intel_test_cmd_query_overwrite(struct nfit_test *t, + struct nd_intel_query_overwrite *nd_cmd, + unsigned int buf_len, int dimm) +{ + struct device *dev = &t->pdev.dev; + struct nfit_test_sec *sec = &dimm_sec_info[dimm]; + + if (!(sec->state & ND_INTEL_SEC_STATE_OVERWRITE)) { + nd_cmd->status = ND_INTEL_STATUS_OQUERY_SEQUENCE_ERR; + return 0; + } + + if (time_is_before_jiffies64(sec->overwrite_end_time)) { + sec->overwrite_end_time = 0; + sec->state = 0; + dev_dbg(dev, "overwrite is complete\n"); + } else + nd_cmd->status = ND_INTEL_STATUS_OQUERY_INPROGRESS; + return 0; +} + static int get_dimm(struct nfit_mem *nfit_mem, unsigned int func) { int i; @@ -1140,6 +1185,14 @@ static int nfit_test_ctl(struct nvdimm_bus_descriptor *nd_desc, rc = nd_intel_test_cmd_secure_erase(t, buf, buf_len, i); break; + case NVDIMM_INTEL_OVERWRITE: + rc = nd_intel_test_cmd_overwrite(t, + buf, buf_len, i - t->dcr_idx); + break; + case NVDIMM_INTEL_QUERY_OVERWRITE: + rc = nd_intel_test_cmd_query_overwrite(t, + buf, buf_len, i - t->dcr_idx); + break; case ND_INTEL_ENABLE_LSS_STATUS: rc = nd_intel_test_cmd_set_lss_status(t, buf, buf_len); @@ -2375,6 +2428,8 @@ static void nfit_test0_setup(struct nfit_test *t) set_bit(NVDIMM_INTEL_UNLOCK_UNIT, &acpi_desc->dimm_cmd_force_en); set_bit(NVDIMM_INTEL_FREEZE_LOCK, &acpi_desc->dimm_cmd_force_en); set_bit(NVDIMM_INTEL_SECURE_ERASE, &acpi_desc->dimm_cmd_force_en); + set_bit(NVDIMM_INTEL_OVERWRITE, &acpi_desc->dimm_cmd_force_en); + set_bit(NVDIMM_INTEL_QUERY_OVERWRITE, &acpi_desc->dimm_cmd_force_en); } static void nfit_test1_setup(struct nfit_test *t) |