void
test_verify12_flags(void)
{
int ret;
unsigned char *buf = alloca(block_size);
logging(LOG_VERBOSE, LOG_BLANK_LINE);
logging(LOG_VERBOSE, "Test VERIFY12 flags");
ret = read10(iscsic, tgt_lun, 0, block_size,
block_size, 0, 0, 0, 0, 0, buf);
CU_ASSERT_EQUAL(ret, 0);
logging(LOG_VERBOSE, "Test VERIFY12 with DPO==1");
ret = verify12(iscsic, tgt_lun, 0, block_size,
block_size, 0, 1, 0, buf);
if (ret == -2) {
logging(LOG_NORMAL, "[SKIPPED] VERIFY12 is not implemented.");
CU_PASS("[SKIPPED] Target does not support VERIFY12. Skipping test");
return;
}
CU_ASSERT_EQUAL(ret, 0);
logging(LOG_VERBOSE, "Test VERIFY12 with BYTCHK==1");
ret = verify12(iscsic, tgt_lun, 0, block_size,
block_size, 0, 0, 1, buf);
CU_ASSERT_EQUAL(ret, 0);
}
void
test_verify12_mismatch_no_cmp(void)
{
int i, ret;
unsigned char *buf = alloca(256 * block_size);
logging(LOG_VERBOSE, LOG_BLANK_LINE);
logging(LOG_VERBOSE, "Test VERIFY12 without BYTCHK for blocks 1-255");
for (i = 1; i <= 256; i++) {
int offset = random() % (i * block_size);
if (maximum_transfer_length && maximum_transfer_length < i) {
break;
}
ret = read10(iscsic, tgt_lun, 0, i * block_size,
block_size, 0, 0, 0, 0, 0, buf);
/* flip a random byte in the data */
buf[offset] ^= 'X';
logging(LOG_VERBOSE, "Flip some bits in the data");
ret = verify12(iscsic, tgt_lun, 0, i * block_size,
block_size, 0, 0, 0, buf);
if (ret == -2) {
logging(LOG_NORMAL, "[SKIPPED] VERIFY12 is not implemented.");
CU_PASS("[SKIPPED] Target does not support VERIFY12. Skipping test");
return;
}
CU_ASSERT_EQUAL(ret, 0);
}
logging(LOG_VERBOSE, "Test VERIFY12 without BYTCHK of 1-256 blocks at the end of the LUN");
for (i = 1; i <= 256; i++) {
int offset = random() % (i * block_size);
if (maximum_transfer_length && maximum_transfer_length < i) {
break;
}
ret = read12(iscsic, tgt_lun, num_blocks - i,
i * block_size, block_size, 0, 0, 0, 0, 0, buf);
CU_ASSERT_EQUAL(ret, 0);
/* flip a random byte in the data */
buf[offset] ^= 'X';
logging(LOG_VERBOSE, "Flip some bits in the data");
ret = verify12(iscsic, tgt_lun, num_blocks - i,
i * block_size, block_size, 0, 0, 0, buf);
CU_ASSERT_EQUAL(ret, 0);
}
}
void
test_verify12_simple(void)
{
int i, ret;
unsigned char *buf = alloca(256 * block_size);
logging(LOG_VERBOSE, LOG_BLANK_LINE);
logging(LOG_VERBOSE, "Test VERIFY12 of 1-256 blocks at the start of the LUN");
for (i = 1; i <= 256; i++) {
if (maximum_transfer_length && maximum_transfer_length < i) {
break;
}
ret = read10(sd, NULL, 0, i * block_size,
block_size, 0, 0, 0, 0, 0, buf,
EXPECT_STATUS_GOOD);
CU_ASSERT_EQUAL(ret, 0);
ret = verify12(sd, 0, i * block_size,
block_size, 0, 0, 1, buf,
EXPECT_STATUS_GOOD);
if (ret == -2) {
logging(LOG_NORMAL, "[SKIPPED] VERIFY12 is not implemented.");
CU_PASS("[SKIPPED] Target does not support VERIFY12. Skipping test");
return;
}
CU_ASSERT_EQUAL(ret, 0);
}
logging(LOG_VERBOSE, "Test VERIFY12 of 1-256 blocks at the end of the LUN");
for (i = 1; i <= 256; i++) {
if (maximum_transfer_length && maximum_transfer_length < i) {
break;
}
ret = read12(sd, num_blocks - i,
i * block_size, block_size, 0, 0, 0, 0, 0, buf,
EXPECT_STATUS_GOOD);
CU_ASSERT_EQUAL(ret, 0);
ret = verify12(sd, num_blocks - i,
i * block_size, block_size, 0, 0, 1, buf,
EXPECT_STATUS_GOOD);
CU_ASSERT_EQUAL(ret, 0);
}
}
void
test_verify12_dpo(void)
{
int ret, dpofua, usage_data_dpo;
struct scsi_task *ms_task = NULL;
struct scsi_mode_sense *ms;
struct scsi_task *rso_task = NULL;
struct scsi_report_supported_op_codes_one_command *rsoc;
unsigned char *buf = alloca(block_size);
logging(LOG_VERBOSE, LOG_BLANK_LINE);
logging(LOG_VERBOSE, "Test VERIFY12 DPO flag");
CHECK_FOR_SBC;
ret = read10(sd, NULL, 0, block_size,
block_size, 0, 0, 0, 0, 0, buf,
EXPECT_STATUS_GOOD);
CU_ASSERT_EQUAL(ret, 0);
logging(LOG_VERBOSE, "Read the DPOFUA flag from mode sense data");
ret = modesense6(sd, &ms_task, 0, SCSI_MODESENSE_PC_CURRENT,
SCSI_MODEPAGE_RETURN_ALL_PAGES, 0, 255,
EXPECT_STATUS_GOOD);
CU_ASSERT_EQUAL(ret, 0);
logging(LOG_VERBOSE, "[SUCCESS] Mode sense returned status GOOD");
ms = scsi_datain_unmarshall(ms_task);
dpofua = ms && (ms->device_specific_parameter & 0x10);
scsi_free_scsi_task(ms_task);
if (dpofua) {
logging(LOG_VERBOSE, "DPOFUA flag is set. Device should allow "
"DPO/FUA flags in CDBs");
} else {
logging(LOG_VERBOSE, "DPOFUA flag is clear. Device should fail "
"CDBs with DPO/FUA set");
}
logging(LOG_VERBOSE, "Test VERIFY12 with DPO==1");
if (dpofua) {
ret = verify12(sd, 0, block_size,
block_size, 0, 1, 0, buf,
EXPECT_STATUS_GOOD);
if (ret == -2) {
logging(LOG_NORMAL, "[SKIPPED] VERIFY12 is not implemented.");
CU_PASS("VERIFY12 is not implemented.");
return;
}
CU_ASSERT_EQUAL(ret, 0);
} else {
ret = verify12(sd, 0, block_size,
block_size, 0, 1, 0, buf,
EXPECT_INVALID_FIELD_IN_CDB);
if (ret == -2) {
logging(LOG_NORMAL, "[SKIPPED] VERIFY12 is not implemented.");
CU_PASS("VERIFY12 is not implemented.");
return;
}
CU_ASSERT_EQUAL(ret, 0);
}
logging(LOG_VERBOSE, "Try fetching REPORT_SUPPORTED_OPCODES "
"for VERIFY12");
ret = report_supported_opcodes(sd, &rso_task,
0, SCSI_REPORT_SUPPORTING_OPCODE,
SCSI_OPCODE_VERIFY12,
0,
65535,
EXPECT_STATUS_GOOD);
if (ret == -2) {
logging(LOG_NORMAL, "REPORT_SUPPORTED_OPCODES not implemented. "
"Skipping this part of the test");
return;
}
logging(LOG_VERBOSE, "Unmarshall the DATA-IN buffer");
rsoc = scsi_datain_unmarshall(rso_task);
CU_ASSERT_NOT_EQUAL(rsoc, NULL);
usage_data_dpo = rsoc ? rsoc->cdb_usage_data[1] & 0x10 : -1;
if (dpofua) {
logging(LOG_VERBOSE, "DPOFUA is set. Verify the DPO flag "
"is set in the CDB_USAGE_DATA");
CU_ASSERT_EQUAL(usage_data_dpo, 0x10);
} else {
logging(LOG_VERBOSE, "DPOFUA is clear. Verify the DPO "
"flag is clear in the CDB_USAGE_DATA");
CU_ASSERT_EQUAL(usage_data_dpo, 0x00);
}
scsi_free_scsi_task(rso_task);
}
int T0280_verify12_simple(const char *initiator, const char *url)
{
struct iscsi_context *iscsi;
struct scsi_task *task;
int ret, i, lun;
unsigned char *buf = NULL;
printf("0280_verify12_simple:\n");
printf("=====================\n");
if (show_info) {
printf("Test basic VERIFY12 functionality.\n");
printf("1, Read and verify the first 1-256 blocks of the LUN using READ12/VERIFY12.\n");
printf("\n");
return 0;
}
iscsi = iscsi_context_login(initiator, url, &lun);
if (iscsi == NULL) {
printf("Failed to login to target\n");
return -1;
}
buf = malloc(256 * block_size);
if (buf == NULL) {
printf("Failed to allocate buffer.\n");
ret = -1;
goto finished;
}
printf("Read first 256 blocks.\n");
task = iscsi_read10_sync(iscsi, lun, 0, 256 * block_size, block_size, 0, 0, 0, 0, 0);
if (task == NULL) {
printf("[FAILED]\n");
printf("Failed to send READ10 command: %s\n", iscsi_get_error(iscsi));
ret = -1;
goto finished;
}
if (task->status != SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("READ10 command: failed with sense. %s\n", iscsi_get_error(iscsi));
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
memcpy(buf, task->datain.data, task->datain.size);
scsi_free_scsi_task(task);
ret = 0;
/* verify the first 1 - 256 blocks at the start of the LUN */
printf("Verify first 1-256 blocks.\n");
for (i = 1; i <= 256; i++) {
ret = verify12(iscsi, lun, buf, i * block_size, 0, 0, 1, 1, block_size);
if (ret != 0) {
goto finished;
}
}
finished:
free(buf);
iscsi_logout_sync(iscsi);
iscsi_destroy_context(iscsi);
return ret;
}