void
test_read10_beyond_eol(void)
{
int i;
if (num_blocks >= 0x80000000) {
CU_PASS("LUN is too big for read-beyond-eol tests with READ10. Skipping test.\n");
return;
}
logging(LOG_VERBOSE, LOG_BLANK_LINE);
logging(LOG_VERBOSE, "Test READ10 1-256 blocks one block beyond the end");
for (i = 1; i <= 256; i++) {
if (maximum_transfer_length && maximum_transfer_length < i) {
break;
}
READ10(sd, NULL, num_blocks + 1 - i,
i * block_size, block_size, 0, 0, 0, 0, 0, NULL,
EXPECT_LBA_OOB);
}
logging(LOG_VERBOSE, "Test READ10 1-256 blocks at LBA==2^31");
for (i = 1; i <= 256; i++) {
if (maximum_transfer_length && maximum_transfer_length < i) {
break;
}
READ10(sd, NULL, 0x80000000,
i * block_size, block_size, 0, 0, 0, 0, 0, NULL,
EXPECT_LBA_OOB);
}
logging(LOG_VERBOSE, "Test READ10 1-256 blocks at LBA==-1");
for (i = 1; i <= 256; i++) {
if (maximum_transfer_length && maximum_transfer_length < i) {
break;
}
READ10(sd, NULL, -1, i * block_size,
block_size, 0, 0, 0, 0, 0, NULL,
EXPECT_LBA_OOB);
}
logging(LOG_VERBOSE, "Test READ10 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;
}
READ10(sd, NULL, num_blocks - 1,
i * block_size, block_size, 0, 0, 0, 0, 0, NULL,
EXPECT_LBA_OOB);
}
}
void
test_verify12_vrprotect(void)
{
int i;
logging(LOG_VERBOSE, LOG_BLANK_LINE);
logging(LOG_VERBOSE, "Test VERIFY12 with non-zero VRPROTECT");
CHECK_FOR_SBC;
if (!inq->protect || (rc16 != NULL && !rc16->prot_en)) {
logging(LOG_VERBOSE, "Device does not support/use protection information. All commands should fail.");
for (i = 1; i < 8; i++) {
READ10(sd, NULL, 0, block_size,
block_size, 0, 0, 0, 0, 0, scratch,
EXPECT_STATUS_GOOD);
VERIFY12(sd, 0, block_size,
block_size, i, 0, 1, scratch,
EXPECT_INVALID_FIELD_IN_CDB);
}
return;
}
logging(LOG_NORMAL, "No tests for devices that support protection information yet.");
}
void
test_writesame10_check(void)
{
int i;
int ws_max_blocks = 256;
unsigned char read_buf[ws_max_blocks * block_size];
CHECK_FOR_DATALOSS;
CHECK_FOR_SBC;
logging(LOG_VERBOSE, LOG_BLANK_LINE);
logging(LOG_VERBOSE, "Test WRITESAME10 of 1-256 blocks at the start of the LUN");
for (i = 1; i <= ws_max_blocks; i++) {
/*
* fill the full buffer so that memcmp is straightforward,
* even though writesame is only using one block of it.
*/
memset(scratch, i, block_size * ws_max_blocks);
WRITESAME10(sd, 0, block_size, i, 0, 0, 0, 0, scratch,
EXPECT_STATUS_GOOD);
memset(read_buf, 0, i * block_size);
READ10(sd, NULL, 0, i * block_size,
block_size, 0, 0, 0, 0, 0, read_buf,
EXPECT_STATUS_GOOD);
CU_ASSERT_EQUAL(0, memcmp(read_buf, scratch, i));
}
logging(LOG_VERBOSE, "Test WRITESAME10 of 1-256 blocks at the end of the LUN");
for (i = 1; i <= ws_max_blocks; i++) {
memset(scratch, i, block_size * ws_max_blocks);
WRITESAME10(sd, num_blocks - i,
block_size, i, 0, 0, 0, 0, scratch,
EXPECT_STATUS_GOOD);
memset(read_buf, 0, i * block_size);
READ10(sd, NULL, num_blocks - i, i * block_size,
block_size, 0, 0, 0, 0, 0, read_buf,
EXPECT_STATUS_GOOD);
CU_ASSERT_EQUAL(0, memcmp(read_buf, scratch, i));
}
}
void
test_verify10_mismatch(void)
{
int i;
logging(LOG_VERBOSE, LOG_BLANK_LINE);
logging(LOG_VERBOSE, "Test VERIFY10 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;
}
READ10(sd, NULL, 0, i * block_size,
block_size, 0, 0, 0, 0, 0, scratch,
EXPECT_STATUS_GOOD);
/* flip a random byte in the data */
scratch[offset] ^= 'X';
logging(LOG_VERBOSE, "Flip some bits in the data");
VERIFY10(sd, 0, i * block_size, block_size, 0, 0, 1, scratch,
EXPECT_MISCOMPARE);
}
logging(LOG_VERBOSE, "Test VERIFY10 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;
}
READ10(sd, NULL, num_blocks - i,
i * block_size, block_size, 0, 0, 0, 0, 0, scratch,
EXPECT_STATUS_GOOD);
/* flip a random byte in the data */
scratch[offset] ^= 'X';
logging(LOG_VERBOSE, "Flip some bits in the data");
VERIFY10(sd, num_blocks - i,
i * block_size, block_size, 0, 0, 1, scratch,
EXPECT_MISCOMPARE);
}
}
static void
check_wabereq(void)
{
struct scsi_task *task_ret = NULL;
logging(LOG_VERBOSE, "Read one block from LBA 0");
READ10(sd, &task_ret, 0, block_size, block_size, 0, 0, 0, 0, 0, NULL,
EXPECT_STATUS_GOOD);
CU_ASSERT_PTR_NOT_NULL_FATAL(task_ret);
if (task_ret == NULL) {
return;
}
CU_ASSERT_NOT_EQUAL(task_ret->status, SCSI_STATUS_CANCELLED);
switch (inq_bdc->wabereq) {
case 0:
logging(LOG_NORMAL, "[FAILED] SANITIZE BLOCK ERASE "
"opcode is supported but WABEREQ is 0");
CU_FAIL("[FAILED] SANITIZE BLOCK ERASE "
"opcode is supported but WABEREQ is 0");
break;
case 1:
logging(LOG_VERBOSE, "WABEREQ==1. Reads from the "
"device should be successful.");
if (task_ret->status == SCSI_STATUS_GOOD) {
logging(LOG_VERBOSE, "[SUCCESS] Read was "
"successful after SANITIZE");
break;
}
logging(LOG_NORMAL, "[FAILED] Read after "
"SANITIZE failed but WABEREQ is 1");
CU_FAIL("[FAILED] Read after SANITIZE failed "
"but WABEREQ is 1");
break;
case 2:
logging(LOG_VERBOSE, "WABEREQ==2. Reads from the "
"device should fail.");
if (task_ret->status == SCSI_STATUS_CHECK_CONDITION
&& task_ret->sense.key == SCSI_SENSE_MEDIUM_ERROR
&& task_ret->sense.ascq != SCSI_SENSE_ASCQ_WRITE_AFTER_SANITIZE_REQUIRED) {
logging(LOG_VERBOSE, "[SUCCESS] Read failed "
"with CHECK_CONDITION/MEDIUM_ERROR/"
"!WRITE_AFTER_SANITIZE_REQUIRED");
break;
}
logging(LOG_VERBOSE, "[FAILED] Read should have failed "
"with CHECK_CONDITION/MEDIUM_ERROR/"
"!WRITE_AFTER_SANITIZE_REQUIRED");
CU_FAIL("[FAILED] Read should have failed "
"with CHECK_CONDITION/MEDIUM_ERROR/"
"!WRITE_AFTER_SANITIZE_REQUIRED");
break;
case 3:
logging(LOG_VERBOSE, "WABEREQ==3. Reads from the "
"device should fail.");
if (task_ret->status == SCSI_STATUS_CHECK_CONDITION
&& task_ret->sense.key == SCSI_SENSE_MEDIUM_ERROR
&& task_ret->sense.ascq == SCSI_SENSE_ASCQ_WRITE_AFTER_SANITIZE_REQUIRED) {
logging(LOG_VERBOSE, "[SUCCESS] Read failed "
"with CHECK_CONDITION/MEDIUM_ERROR/"
"WRITE_AFTER_SANITIZE_REQUIRED");
break;
}
logging(LOG_VERBOSE, "[FAILED] Read should have failed "
"with CHECK_CONDITION/MEDIUM_ERROR/"
"WRITE_AFTER_SANITIZE_REQUIRED");
CU_FAIL("[FAILED] Read should have failed "
"with CHECK_CONDITION/MEDIUM_ERROR/"
"WRITE_AFTER_SANITIZE_REQUIRED");
break;
}
scsi_free_scsi_task(task_ret);
}
void
test_writesame10_unmap(void)
{
unsigned int i;
CHECK_FOR_DATALOSS;
CHECK_FOR_THIN_PROVISIONING;
CHECK_FOR_LBPWS10;
CHECK_FOR_SBC;
logging(LOG_VERBOSE, LOG_BLANK_LINE);
logging(LOG_VERBOSE, "Test WRITESAME10 of 1-256 blocks at the start of "
"the LUN");
memset(scratch, 0xa6, 256 * block_size);
for (i = 1; i <= 256; i++) {
logging(LOG_VERBOSE, "Write %d blocks of 0xFF", i);
memset(scratch, 0xff, i * block_size);
WRITE10(sd, 0, i * block_size, block_size,
0, 0, 0, 0, 0, scratch,
EXPECT_STATUS_GOOD);
logging(LOG_VERBOSE, "Unmap %d blocks using WRITESAME10", i);
memset(scratch, 0, block_size);
WRITESAME10(sd, 0, block_size, i, 0, 1, 0, 0, scratch,
EXPECT_STATUS_GOOD);
if (rc16->lbprz) {
logging(LOG_VERBOSE, "LBPRZ is set. Read the unmapped "
"blocks back and verify they are all zero");
logging(LOG_VERBOSE, "Read %d blocks and verify they "
"are now zero", i);
READ10(sd, NULL, 0, i * block_size, block_size,
0, 0, 0, 0, 0, scratch,
EXPECT_STATUS_GOOD);
ALL_ZERO(scratch, i * block_size);
} else {
logging(LOG_VERBOSE, "LBPRZ is clear. Skip the read "
"and verify zero test");
}
}
logging(LOG_VERBOSE, "Test WRITESAME10 of 1-256 blocks at the end of "
"the LUN");
for (i = 1; i <= 256; i++) {
logging(LOG_VERBOSE, "Write %d blocks of 0xFF", i);
memset(scratch, 0xff, i * block_size);
WRITE10(sd, num_blocks - i,
i * block_size, block_size, 0, 0, 0, 0, 0, scratch,
EXPECT_STATUS_GOOD);
logging(LOG_VERBOSE, "Unmap %d blocks using WRITESAME10", i);
memset(scratch, 0, block_size);
WRITESAME10(sd, num_blocks - i,
block_size, i, 0, 1, 0, 0, scratch,
EXPECT_STATUS_GOOD);
if (rc16->lbprz) {
logging(LOG_VERBOSE, "LBPRZ is set. Read the unmapped "
"blocks back and verify they are all zero");
logging(LOG_VERBOSE, "Read %d blocks and verify they "
"are now zero", i);
READ10(sd, NULL, num_blocks - i,
i * block_size, block_size,
0, 0, 0, 0, 0, scratch,
EXPECT_STATUS_GOOD);
ALL_ZERO(scratch, i * block_size);
} else {
logging(LOG_VERBOSE, "LBPRZ is clear. Skip the read "
"and verify zero test");
}
}
logging(LOG_VERBOSE, "Verify that WRITESAME10 ANCHOR==1 + UNMAP==0 is "
"invalid");
WRITESAME10(sd, 0, block_size, 1, 1, 0, 0, 0, scratch,
EXPECT_INVALID_FIELD_IN_CDB);
if (inq_lbp->anc_sup) {
logging(LOG_VERBOSE, "Test WRITESAME10 ANCHOR==1 + UNMAP==0");
memset(scratch, 0, block_size);
WRITESAME10(sd, 0, block_size, 1, 1, 1, 0, 0, scratch,
EXPECT_STATUS_GOOD);
} else {
logging(LOG_VERBOSE, "Test WRITESAME10 ANCHOR==1 + UNMAP==0 no "
"ANC_SUP so expecting to fail");
WRITESAME10(sd, 0, block_size, 1, 1, 1, 0, 0, scratch,
EXPECT_INVALID_FIELD_IN_CDB);
}
if (inq_bl == NULL) {
logging(LOG_VERBOSE, "[FAILED] WRITESAME10 works but "
"BlockLimits VPD is missing.");
CU_FAIL("[FAILED] WRITESAME10 works but "
"BlockLimits VPD is missing.");
return;
}
i = 256;
if (i <= num_blocks
&& (inq_bl->max_ws_len == 0 || inq_bl->max_ws_len >= i)) {
logging(LOG_VERBOSE, "Block Limits VPD page reports MAX_WS_LEN "
"as either 0 (==no limit) or >= %d. Test Unmapping "
"%d blocks to verify that it can handle 2-byte "
"lengths", i, i);
logging(LOG_VERBOSE, "Write %d blocks of 0xFF", i);
memset(scratch, 0xff, i * block_size);
WRITE10(sd, 0,
i * block_size, block_size, 0, 0, 0, 0, 0, scratch,
EXPECT_STATUS_GOOD);
logging(LOG_VERBOSE, "Unmap %d blocks using WRITESAME10", i);
memset(scratch, 0, block_size);
WRITESAME10(sd, 0, block_size, i, 0, 1, 0, 0, scratch,
EXPECT_STATUS_GOOD);
if (rc16->lbprz) {
logging(LOG_VERBOSE, "LBPRZ is set. Read the unmapped "
"blocks back and verify they are all zero");
logging(LOG_VERBOSE, "Read %d blocks and verify they "
"are now zero", i);
READ10(sd, NULL, 0, i * block_size, block_size,
0, 0, 0, 0, 0, scratch,
EXPECT_STATUS_GOOD);
ALL_ZERO(scratch, i * block_size);
} else {
logging(LOG_VERBOSE, "LBPRZ is clear. Skip the read "
"and verify zero test");
}
} else if (i <= num_blocks) {
logging(LOG_VERBOSE, "Block Limits VPD page reports MAX_WS_LEN "
"as <256. Verify that a 256 block unmap fails with "
"INVALID_FIELD_IN_CDB.");
logging(LOG_VERBOSE, "Unmap %d blocks using WRITESAME10", i);
WRITESAME10(sd, 0, block_size, i, 0, 1, 0, 0, scratch,
EXPECT_INVALID_FIELD_IN_CDB);
}
}
void
test_writeverify10_residuals(void)
{
struct scsi_task *task_ret;
unsigned char buf[10000];
struct iscsi_data data;
int ok;
unsigned int i;
logging(LOG_VERBOSE, LOG_BLANK_LINE);
logging(LOG_VERBOSE, "Test WRITEVERIFY10 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 WRITEVERIFY10 test is only "
"supported for iSCSI backends";
logging(LOG_NORMAL, "%s", err);
CU_PASS(err);
return;
}
/* check if writeverify10 is supported */
WRITEVERIFY10(sd, 0, 0, block_size, 0, 0, 0, 0, NULL,
EXPECT_STATUS_GOOD);
/* Try a writeverify10 of 1 block but xferlength == 0 */
task = malloc(sizeof(struct scsi_task));
CU_ASSERT_PTR_NOT_NULL_FATAL(task);
memset(task, 0, sizeof(struct scsi_task));
task->cdb[0] = SCSI_OPCODE_WRITE_VERIFY10;
task->cdb[1] = 2; /* BYTCHK = 1 */
task->cdb[8] = 1;
task->cdb_size = 10;
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_FATAL(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] WRITEVERIFY10 is not implemented.");
CU_PASS("WRITEVERIFY10 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_FATAL(task);
memset(task, 0, sizeof(struct scsi_task));
task->cdb[0] = SCSI_OPCODE_WRITE_VERIFY10;
task->cdb[1] = 2; /* BYTCHK = 1 */
task->cdb[8] = 1;
task->cdb_size = 10;
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_FATAL(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_FATAL(task);
memset(task, 0, sizeof(struct scsi_task));
task->cdb[0] = SCSI_OPCODE_WRITE_VERIFY10;
task->cdb[1] = 2; /* BYTCHK = 1 */
task->cdb[8] = 1;
task->cdb_size = 10;
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_FATAL(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_FATAL(task);
memset(task, 0, sizeof(struct scsi_task));
task->cdb[0] = SCSI_OPCODE_WRITE_VERIFY10;
task->cdb[1] = 2; /* BYTCHK = 1 */
task->cdb[8] = 2;
task->cdb_size = 10;
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_FATAL(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);
WRITE10(sd, 0, 2 * block_size, block_size, 0, 0, 0, 0, 0, buf,
EXPECT_STATUS_GOOD);
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_FATAL(task);
memset(buf, 'b', 10000);
memset(task, 0, sizeof(struct scsi_task));
task->cdb[0] = SCSI_OPCODE_WRITE_VERIFY10;
task->cdb[1] = 2; /* BYTCHK = 1 */
task->cdb[8] = 1;
task->cdb_size = 10;
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_FATAL(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");
READ10(sd, NULL, 0, 2* block_size, block_size, 0, 0, 0, 0, 0, buf,
EXPECT_STATUS_GOOD);
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);
WRITE10(sd, 0, 2 * block_size, block_size, 0, 0, 0, 0, 0, buf,
EXPECT_STATUS_GOOD);
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_FATAL(task);
memset(buf, 'b', 10000);
memset(task, 0, sizeof(struct scsi_task));
task->cdb[0] = SCSI_OPCODE_WRITE_VERIFY10;
task->cdb[1] = 2; /* BYTCHK = 1 */
task->cdb[8] = 2;
task->cdb_size = 10;
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_FATAL(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");
READ10(sd, NULL, 0, 2* block_size, block_size, 0, 0, 0, 0, 0, buf,
EXPECT_STATUS_GOOD);
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_verify16_dpo(void)
{
int 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;
logging(LOG_VERBOSE, LOG_BLANK_LINE);
logging(LOG_VERBOSE, "Test VERIFY16 DPO flag");
CHECK_FOR_SBC;
READ10(sd, NULL, 0, block_size, block_size, 0, 0, 0, 0, 0, scratch,
EXPECT_STATUS_GOOD);
logging(LOG_VERBOSE, "Read the DPOFUA flag from mode sense data");
MODESENSE6(sd, &ms_task, 0, SCSI_MODESENSE_PC_CURRENT,
SCSI_MODEPAGE_RETURN_ALL_PAGES, 0, 255,
EXPECT_STATUS_GOOD);
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 VERIFY16 with DPO==1");
if (dpofua) {
VERIFY16(sd, 0, block_size, block_size, 0, 1, 0, scratch,
EXPECT_STATUS_GOOD);
} else {
VERIFY16(sd, 0, block_size, block_size, 0, 1, 0, scratch,
EXPECT_INVALID_FIELD_IN_CDB);
}
logging(LOG_VERBOSE, "Try fetching REPORT_SUPPORTED_OPCODES "
"for VERIFY16");
REPORT_SUPPORTED_OPCODES(sd, &rso_task,
0, SCSI_REPORT_SUPPORTING_OPCODE,
SCSI_OPCODE_VERIFY16,
0,
65535,
EXPECT_STATUS_GOOD);
logging(LOG_VERBOSE, "Unmarshall the DATA-IN buffer");
rsoc = scsi_datain_unmarshall(rso_task);
CU_ASSERT_PTR_NOT_NULL_FATAL(rsoc);
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);
}
