Files
libiscsi/test-tool/test_writeverify12_residuals.c
David Disseldorp e716691a45 test-tool: use CHECK_FOR_ISCSI() helper macro
This removes a large amount of boilerplate code.

Signed-off-by: David Disseldorp <ddiss@suse.de>
2019-09-22 16:40:13 +02:00

389 lines
15 KiB
C

/*
Copyright (C) 2013 by Ronnie Sahlberg <ronniesahlberg@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <CUnit/CUnit.h>
#include "iscsi.h"
#include "iscsi-private.h"
#include "scsi-lowlevel.h"
#include "iscsi-test-cu.h"
void
test_writeverify12_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 WRITEVERIFY12 commands with residuals");
logging(LOG_VERBOSE, "Block size is %zu", block_size);
CHECK_FOR_DATALOSS;
CHECK_FOR_SBC;
CHECK_FOR_ISCSI(sd);
/* check if writeverify12 is supported */
WRITEVERIFY12(sd, 0, 0, block_size, 0, 0, 0, 0, NULL,
EXPECT_STATUS_GOOD);
/* Try a writeverify12 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_VERIFY12;
task->cdb[9] = 1;
task->cdb_size = 12;
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] WRITEVERIFY12 is not implemented.");
CU_PASS("WRITEVERIFY12 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_VERIFY12;
task->cdb[9] = 1;
task->cdb_size = 12;
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_VERIFY12;
task->cdb[9] = 1;
task->cdb_size = 12;
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_VERIFY12;
task->cdb[9] = 2;
task->cdb_size = 12;
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);
WRITE12(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_VERIFY12;
task->cdb[9] = 1;
task->cdb_size = 12;
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");
READ12(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);
WRITE12(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_VERIFY12;
task->cdb[9] = 2;
task->cdb_size = 12;
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");
READ12(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;
}
}
}