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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>
This commit is contained in:
Dave Jiang 2018-12-10 13:32:16 -07:00 committed by Dan Williams
parent 3c13e2ac74
commit 926f74802c
1 changed files with 55 additions and 0 deletions
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55
tools/testing/nvdimm/test/nfit.c
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@ -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)