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Commit 926f7480 authored by Dave Jiang's avatar Dave Jiang Committed by Dan Williams
Browse files

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: default avatarDave Jiang <dave.jiang@intel.com>
Signed-off-by: default avatarDan Williams <dan.j.williams@intel.com>
parent 3c13e2ac

tools/testing/nvdimm/test/nfit.c

+55 −0
Original line number Original line Diff line number Diff line
@@ -145,6 +145,7 @@ static int dimm_fail_cmd_code[ARRAY_SIZE(handle)]; 
struct nfit_test_sec {

struct nfit_test_sec {

	u8 state;

	u8 state;

	u8 passphrase[32];

	u8 passphrase[32];

	u64 overwrite_end_time;

} dimm_sec_info[NUM_DCR];

} dimm_sec_info[NUM_DCR];





static const struct nd_intel_smart smart_def = {

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;

	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)

static int get_dimm(struct nfit_mem *nfit_mem, unsigned int func)

{

{

	int i;

	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,

				rc = nd_intel_test_cmd_secure_erase(t,

						buf, buf_len, i);

						buf, buf_len, i);

				break;

				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:

			case ND_INTEL_ENABLE_LSS_STATUS:

				rc = nd_intel_test_cmd_set_lss_status(t,

				rc = nd_intel_test_cmd_set_lss_status(t,

						buf, buf_len);

						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_UNLOCK_UNIT, &acpi_desc->dimm_cmd_force_en);

	set_bit(NVDIMM_INTEL_FREEZE_LOCK, &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_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)

static void nfit_test1_setup(struct nfit_test *t)