void
test_writeverify16_simple(void)
{
int i, ret;
unsigned char *buf = alloca(256 * block_size);
CHECK_FOR_DATALOSS;
CHECK_FOR_SBC;
logging(LOG_VERBOSE, LOG_BLANK_LINE);
logging(LOG_VERBOSE, "Test WRITEVERIFY16 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 = writeverify16(iscsic, tgt_lun, 0, i * block_size,
block_size, 0, 0, 0, 0, buf);
if (ret == -2) {
logging(LOG_NORMAL, "[SKIPPED] WRITE1VERIFY16 is not implemented.");
CU_PASS("WRITEVERIFY16 is not implemented.");
return;
}
CU_ASSERT_EQUAL(ret, 0);
}
logging(LOG_VERBOSE, "Test WRITEVERIFY16 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 = writeverify16(iscsic, tgt_lun, num_blocks - i,
i * block_size, block_size, 0, 0, 0, 0, buf);
CU_ASSERT_EQUAL(ret, 0);
}
}
void
test_writeverify16_0blocks(void)
{
int ret;
CHECK_FOR_DATALOSS;
CHECK_FOR_SBC;
logging(LOG_VERBOSE, LOG_BLANK_LINE);
logging(LOG_VERBOSE, "Test WRITEVERIFY16 0-blocks at LBA==0");
ret = writeverify16(iscsic, tgt_lun, 0,
0, block_size,
0, 0, 0, 0, NULL);
if (ret == -2) {
logging(LOG_NORMAL, "[SKIPPED] WRITE1VERIFY16 is not implemented.");
CU_PASS("WRITEVERIFY16 is not implemented.");
return;
}
CU_ASSERT_EQUAL(ret, 0);
logging(LOG_VERBOSE, "Test WRITEVERIFY16 0-blocks one block past end-of-LUN");
ret = writeverify16_lbaoutofrange(iscsic, tgt_lun, num_blocks + 1,
0, block_size,
0, 0, 0, 0, NULL);
CU_ASSERT_EQUAL(ret, 0);
logging(LOG_VERBOSE, "Test WRITEVERIFY16 0-blocks at LBA==2^63");
ret = writeverify16_lbaoutofrange(iscsic, tgt_lun, 0x8000000000000000ULL,
0, block_size,
0, 0, 0, 0, NULL);
CU_ASSERT_EQUAL(ret, 0);
logging(LOG_VERBOSE, "Test WRITEVERIFY16 0-blocks at LBA==-1");
ret = writeverify16_lbaoutofrange(iscsic, tgt_lun, -1,
0, block_size,
0, 0, 0, 0, NULL);
CU_ASSERT_EQUAL(ret, 0);
}
void
test_writeverify16_residuals(void)
{
struct scsi_task *task_ret;
unsigned char buf[10000];
struct iscsi_data data;
int ret, ok;
unsigned int i;
logging(LOG_VERBOSE, LOG_BLANK_LINE);
logging(LOG_VERBOSE, "Test WRITEVERIFY16 commands with residuals");
logging(LOG_VERBOSE, "Block size is %zu", block_size);
CHECK_FOR_DATALOSS;
CHECK_FOR_SBC;
if (sd->iscsi_ctx == NULL) {
const char *err = "[SKIPPED] This WRITEVERIFY16 test is only "
"supported for iSCSI backends";
logging(LOG_NORMAL, "%s", err);
CU_PASS(err);
return;
}
/* check if writeverify16 is supported */
ret = writeverify16(sd, 0, 0,
block_size, 0, 0, 0, 0, NULL,
EXPECT_STATUS_GOOD);
if (ret == -2) {
logging(LOG_NORMAL, "[SKIPPED] WRITEVERIFY16 is not implemented.");
CU_PASS("[SKIPPED] Target does not support WRITEVERIFY16. Skipping test");
return;
}
if (sd->iscsi_ctx == NULL) {
const char *err = "[SKIPPED] WRITEVERIFY16 tests are only "
"supported for iSCSI backends";
logging(LOG_NORMAL, "%s", err);
CU_PASS(err);
return;
}
/* Try a writeverify16 of 1 block but xferlength == 0 */
task = malloc(sizeof(struct scsi_task));
CU_ASSERT_PTR_NOT_NULL(task);
memset(task, 0, sizeof(struct scsi_task));
task->cdb[0] = SCSI_OPCODE_WRITE_VERIFY16;
task->cdb[13] = 1;
task->cdb_size = 16;
task->xfer_dir = SCSI_XFER_WRITE;
task->expxferlen = 0;
/*
* we don't want autoreconnect since some targets will drop the session
* on this condition.
*/
iscsi_set_noautoreconnect(sd->iscsi_ctx, 1);
logging(LOG_VERBOSE, "Try writing one block but with iSCSI expected transfer length==0");
task_ret = iscsi_scsi_command_sync(sd->iscsi_ctx, sd->iscsi_lun, task, NULL);
CU_ASSERT_PTR_NOT_NULL(task_ret);
CU_ASSERT_NOT_EQUAL(task->status, SCSI_STATUS_CANCELLED); /* XXX redundant? */
if (task->status == SCSI_STATUS_CHECK_CONDITION
&& task->sense.key == SCSI_SENSE_ILLEGAL_REQUEST
&& task->sense.ascq == SCSI_SENSE_ASCQ_INVALID_OPERATION_CODE) {
logging(LOG_NORMAL, "[SKIPPED] WRITEVERIFY16 is not implemented.");
CU_PASS("WRITEVERIFY16 is not implemented.");
return;
}
logging(LOG_VERBOSE, "Verify that the target returned SUCCESS");
if (task->status != SCSI_STATUS_GOOD) {
logging(LOG_VERBOSE, "[FAILED] Target returned error %s",
iscsi_get_error(sd->iscsi_ctx));
}
CU_ASSERT_EQUAL(task->status, SCSI_STATUS_GOOD);
logging(LOG_VERBOSE, "Verify residual overflow flag is set");
if (task->residual_status != SCSI_RESIDUAL_OVERFLOW) {
logging(LOG_VERBOSE, "[FAILED] Target did not set residual "
"overflow flag");
}
CU_ASSERT_EQUAL(task->residual_status, SCSI_RESIDUAL_OVERFLOW);
logging(LOG_VERBOSE, "Verify we got %zu bytes of residual overflow",
block_size);
if (task->residual != block_size) {
logging(LOG_VERBOSE, "[FAILED] Target did not set correct "
"amount of residual. Expected %zu but got %zu.",
block_size, task->residual);
}
CU_ASSERT_EQUAL(task->residual, block_size);
scsi_free_scsi_task(task);
task = NULL;
/* in case the previous test failed the session */
iscsi_set_noautoreconnect(sd->iscsi_ctx, 0);
logging(LOG_VERBOSE, "Try writing one block but with iSCSI expected transfer length==10000");
task = malloc(sizeof(struct scsi_task));
CU_ASSERT_PTR_NOT_NULL(task);
memset(task, 0, sizeof(struct scsi_task));
task->cdb[0] = SCSI_OPCODE_WRITE_VERIFY16;
task->cdb[13] = 1;
task->cdb_size = 16;
task->xfer_dir = SCSI_XFER_WRITE;
task->expxferlen = 10000;
memset(buf, 0xa6, sizeof(buf));
data.size = task->expxferlen;
data.data = &buf[0];
task_ret = iscsi_scsi_command_sync(sd->iscsi_ctx, sd->iscsi_lun, task, &data);
CU_ASSERT_PTR_NOT_NULL(task_ret);
logging(LOG_VERBOSE, "Verify that the target returned SUCCESS");
if (task->status != SCSI_STATUS_GOOD) {
logging(LOG_VERBOSE, "[FAILED] Target returned error %s",
iscsi_get_error(sd->iscsi_ctx));
}
CU_ASSERT_EQUAL(task->status, SCSI_STATUS_GOOD);
logging(LOG_VERBOSE, "Verify residual underflow flag is set");
if (task->residual_status != SCSI_RESIDUAL_UNDERFLOW) {
logging(LOG_VERBOSE, "[FAILED] Target did not set residual "
"underflow flag");
}
CU_ASSERT_EQUAL(task->residual_status, SCSI_RESIDUAL_UNDERFLOW);
logging(LOG_VERBOSE, "Verify we got %zu bytes of residual underflow",
10000 - block_size);
if (task->residual != 10000 - block_size) {
logging(LOG_VERBOSE, "[FAILED] Target did not set correct "
"amount of residual. Expected %zu but got %zu.",
10000 - block_size, task->residual);
}
CU_ASSERT_EQUAL(task->residual, 10000 - block_size);
scsi_free_scsi_task(task);
task = NULL;
logging(LOG_VERBOSE, "Try writing one block but with iSCSI expected transfer length==200");
task = malloc(sizeof(struct scsi_task));
CU_ASSERT_PTR_NOT_NULL(task);
memset(task, 0, sizeof(struct scsi_task));
task->cdb[0] = SCSI_OPCODE_WRITE_VERIFY16;
task->cdb[13] = 1;
task->cdb_size = 16;
task->xfer_dir = SCSI_XFER_WRITE;
task->expxferlen = 200;
data.size = task->expxferlen;
data.data = &buf[0];
task_ret = iscsi_scsi_command_sync(sd->iscsi_ctx, sd->iscsi_lun, task, &data);
CU_ASSERT_PTR_NOT_NULL(task_ret);
logging(LOG_VERBOSE, "Verify that the target returned SUCCESS");
ok = task->status == SCSI_STATUS_GOOD ||
(task->status == SCSI_STATUS_CHECK_CONDITION &&
task->sense.key == SCSI_SENSE_ILLEGAL_REQUEST &&
task->sense.ascq == SCSI_SENSE_ASCQ_INVALID_FIELD_IN_INFORMATION_UNIT);
if (!ok) {
logging(LOG_VERBOSE, "[FAILED] Target returned error %s",
iscsi_get_error(sd->iscsi_ctx));
}
CU_ASSERT(ok);
logging(LOG_VERBOSE, "Verify residual overflow flag is set");
if (task->residual_status != SCSI_RESIDUAL_OVERFLOW) {
logging(LOG_VERBOSE, "[FAILED] Target did not set residual "
"overflow flag");
}
CU_ASSERT_EQUAL(task->residual_status, SCSI_RESIDUAL_OVERFLOW);
logging(LOG_VERBOSE, "Verify we got %zu bytes of residual overflow",
block_size - 200);
if (task->residual != block_size - 200) {
logging(LOG_VERBOSE, "[FAILED] Target did not set correct "
"amount of residual. Expected %zu but got %zu.",
block_size - 200, task->residual);
}
CU_ASSERT_EQUAL(task->residual, block_size - 200);
scsi_free_scsi_task(task);
task = NULL;
logging(LOG_VERBOSE, "Try writing two blocks but iSCSI expected "
"transfer length==%zu (==one block)", block_size);
task = malloc(sizeof(struct scsi_task));
CU_ASSERT_PTR_NOT_NULL(task);
memset(task, 0, sizeof(struct scsi_task));
task->cdb[0] = SCSI_OPCODE_WRITE_VERIFY16;
task->cdb[13] = 2;
task->cdb_size = 16;
task->xfer_dir = SCSI_XFER_WRITE;
task->expxferlen = block_size;
data.size = task->expxferlen;
data.data = &buf[0];
task_ret = iscsi_scsi_command_sync(sd->iscsi_ctx, sd->iscsi_lun, task, &data);
CU_ASSERT_PTR_NOT_NULL(task_ret);
logging(LOG_VERBOSE, "Verify that the target returned SUCCESS");
if (task->status != SCSI_STATUS_GOOD) {
logging(LOG_VERBOSE, "[FAILED] Target returned error %s",
iscsi_get_error(sd->iscsi_ctx));
}
CU_ASSERT_EQUAL(task->status, SCSI_STATUS_GOOD);
logging(LOG_VERBOSE, "Verify residual overflow flag is set");
if (task->residual_status != SCSI_RESIDUAL_OVERFLOW) {
logging(LOG_VERBOSE, "[FAILED] Target did not set residual "
"overflow flag");
}
CU_ASSERT_EQUAL(task->residual_status, SCSI_RESIDUAL_OVERFLOW);
logging(LOG_VERBOSE, "Verify we got one block of residual overflow");
if (task->residual != block_size) {
logging(LOG_VERBOSE, "[FAILED] Target did not set correct "
"amount of residual. Expected %zu but got %zu.",
block_size, task->residual);
}
CU_ASSERT_EQUAL(task->residual, block_size);
scsi_free_scsi_task(task);
task = NULL;
logging(LOG_VERBOSE, "Verify that if iSCSI EDTL > SCSI TL then we only write SCSI TL amount of data");
logging(LOG_VERBOSE, "Write two blocks of 'a'");
memset(buf, 'a', 10000);
ret = write16(sd, 0, 2 * block_size,
block_size, 0, 0, 0, 0, 0, buf,
EXPECT_STATUS_GOOD);
CU_ASSERT_EQUAL(ret, 0);
logging(LOG_VERBOSE, "Write one block of 'b' but set iSCSI EDTL to 2 blocks.");
task = malloc(sizeof(struct scsi_task));
CU_ASSERT_PTR_NOT_NULL(task);
memset(buf, 'b', 10000);
memset(task, 0, sizeof(struct scsi_task));
task->cdb[0] = SCSI_OPCODE_WRITE_VERIFY16;
task->cdb[13] = 1;
task->cdb_size = 16;
task->xfer_dir = SCSI_XFER_WRITE;
task->expxferlen = 2 * block_size;
data.size = task->expxferlen;
data.data = &buf[0];
task_ret = iscsi_scsi_command_sync(sd->iscsi_ctx, sd->iscsi_lun, task, &data);
CU_ASSERT_PTR_NOT_NULL(task_ret);
logging(LOG_VERBOSE, "Verify that the target returned SUCCESS");
if (task->status != SCSI_STATUS_GOOD) {
logging(LOG_VERBOSE, "[FAILED] Target returned error %s",
iscsi_get_error(sd->iscsi_ctx));
}
CU_ASSERT_EQUAL(task->status, SCSI_STATUS_GOOD);
logging(LOG_VERBOSE, "Verify residual underflow flag is set");
if (task->residual_status != SCSI_RESIDUAL_UNDERFLOW) {
logging(LOG_VERBOSE, "[FAILED] Target did not set residual "
"underflow flag");
}
CU_ASSERT_EQUAL(task->residual_status, SCSI_RESIDUAL_UNDERFLOW);
logging(LOG_VERBOSE, "Verify we got one block of residual underflow");
if (task->residual != block_size) {
logging(LOG_VERBOSE, "[FAILED] Target did not set correct "
"amount of residual. Expected %zu but got %zu.",
block_size, task->residual);
}
CU_ASSERT_EQUAL(task->residual, block_size);
scsi_free_scsi_task(task);
task = NULL;
logging(LOG_VERBOSE, "Read the two blocks");
ret = read16(sd, NULL, 0, 2* block_size,
block_size, 0, 0, 0, 0, 0, buf,
EXPECT_STATUS_GOOD);
CU_ASSERT_EQUAL(ret, 0);
logging(LOG_VERBOSE, "Verify that the first block was changed to 'b'");
for (i = 0; i < block_size; i++) {
if (buf[i] != 'b') {
logging(LOG_NORMAL, "First block did not contain expected 'b'");
CU_FAIL("Block was not written correctly");
break;
}
}
logging(LOG_VERBOSE, "Verify that the second block was NOT overwritten and still contains 'a'");
for (i = block_size; i < 2 * block_size; i++) {
if (buf[i] != 'a') {
logging(LOG_NORMAL, "Second block was overwritten and no longer contain 'a'");
CU_FAIL("Second block was incorrectly overwritten");
break;
}
}
logging(LOG_VERBOSE, "Verify that if iSCSI EDTL < SCSI TL then we only write iSCSI EDTL amount of data");
logging(LOG_VERBOSE, "Write two blocks of 'a'");
memset(buf, 'a', 10000);
ret = write16(sd, 0, 2 * block_size,
block_size, 0, 0, 0, 0, 0, buf,
EXPECT_STATUS_GOOD);
CU_ASSERT_EQUAL(ret, 0);
logging(LOG_VERBOSE, "Write two blocks of 'b' but set iSCSI EDTL to 1 blocks.");
task = malloc(sizeof(struct scsi_task));
CU_ASSERT_PTR_NOT_NULL(task);
memset(buf, 'b', 10000);
memset(task, 0, sizeof(struct scsi_task));
task->cdb[0] = SCSI_OPCODE_WRITE_VERIFY16;
task->cdb[13] = 2;
task->cdb_size = 16;
task->xfer_dir = SCSI_XFER_WRITE;
task->expxferlen = block_size;
data.size = task->expxferlen;
data.data = &buf[0];
task_ret = iscsi_scsi_command_sync(sd->iscsi_ctx, sd->iscsi_lun, task, &data);
CU_ASSERT_PTR_NOT_NULL(task_ret);
logging(LOG_VERBOSE, "Verify that the target returned SUCCESS");
if (task->status != SCSI_STATUS_GOOD) {
logging(LOG_VERBOSE, "[FAILED] Target returned error %s",
iscsi_get_error(sd->iscsi_ctx));
}
CU_ASSERT_EQUAL(task->status, SCSI_STATUS_GOOD);
logging(LOG_VERBOSE, "Verify residual overflow flag is set");
if (task->residual_status != SCSI_RESIDUAL_OVERFLOW) {
logging(LOG_VERBOSE, "[FAILED] Target did not set residual "
"overflow flag");
}
CU_ASSERT_EQUAL(task->residual_status, SCSI_RESIDUAL_OVERFLOW);
logging(LOG_VERBOSE, "Verify we got one block of residual overflow");
if (task->residual != block_size) {
logging(LOG_VERBOSE, "[FAILED] Target did not set correct "
"amount of residual. Expected %zu but got %zu.",
block_size, task->residual);
}
CU_ASSERT_EQUAL(task->residual, block_size);
scsi_free_scsi_task(task);
task = NULL;
logging(LOG_VERBOSE, "Read the two blocks");
ret = read16(sd, NULL, 0, 2* block_size,
block_size, 0, 0, 0, 0, 0, buf,
EXPECT_STATUS_GOOD);
CU_ASSERT_EQUAL(ret, 0);
logging(LOG_VERBOSE, "Verify that the first block was changed to 'b'");
for (i = 0; i < block_size; i++) {
if (buf[i] != 'b') {
logging(LOG_NORMAL, "First block did not contain expected 'b'");
CU_FAIL("Block was not written correctly");
break;
}
}
logging(LOG_VERBOSE, "Verify that the second block was NOT overwritten and still contains 'a'");
for (i = block_size; i < 2 * block_size; i++) {
if (buf[i] != 'a') {
logging(LOG_NORMAL, "Second block was overwritten and no longer contain 'a'");
CU_FAIL("Second block was incorrectly overwritten");
break;
}
}
}
void
test_writeverify16_beyond_eol(void)
{
int i, ret;
unsigned char *buf = alloca(256 * block_size);
CHECK_FOR_DATALOSS;
CHECK_FOR_SBC;
logging(LOG_VERBOSE, LOG_BLANK_LINE);
logging(LOG_VERBOSE, "Test WRITEVERIFY16 1-256 blocks one block beyond the end");
memset(buf, 0xa6, 256 * block_size);
for (i = 1; i <= 256; i++) {
if (maximum_transfer_length && maximum_transfer_length < i) {
break;
}
ret = writeverify16(sd, num_blocks + 1 - i,
i * block_size, block_size, 0, 0, 0, 0, buf,
EXPECT_LBA_OOB);
if (ret == -2) {
logging(LOG_NORMAL, "[SKIPPED] WRITEVERIFY16 is not implemented.");
CU_PASS("WRITEVERIFY16 is not implemented.");
return;
}
CU_ASSERT_EQUAL(ret, 0);
}
logging(LOG_VERBOSE, "Test WRITEVERIFY16 1-256 blocks at LBA==2^63");
for (i = 1; i <= 256; i++) {
if (maximum_transfer_length && maximum_transfer_length < i) {
break;
}
ret = writeverify16(sd, 0x8000000000000000ULL,
i * block_size, block_size, 0, 0, 0, 0, buf,
EXPECT_LBA_OOB);
CU_ASSERT_EQUAL(ret, 0);
}
logging(LOG_VERBOSE, "Test WRITEVERIFY16 1-256 blocks at LBA==-1");
for (i = 1; i <= 256; i++) {
if (maximum_transfer_length && maximum_transfer_length < i) {
break;
}
ret = writeverify16(sd, -1,
i * block_size, block_size, 0, 0, 0, 0, buf,
EXPECT_LBA_OOB);
CU_ASSERT_EQUAL(ret, 0);
}
logging(LOG_VERBOSE, "Test WRITEVERIFY16 2-256 blocks all but one block beyond the end");
for (i = 2; i <= 256; i++) {
if (maximum_transfer_length && maximum_transfer_length < i) {
break;
}
ret = writeverify16(sd, num_blocks - 1,
i * block_size, block_size, 0, 0, 0, 0, buf,
EXPECT_LBA_OOB);
CU_ASSERT_EQUAL(ret, 0);
}
}
