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/*
Copyright (C) 2014 by Ronnie Sahlberg <sahlberg@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 "scsi-lowlevel.h"
#include "iscsi-test-cu.h"
void
test_write16_dpofua(void)
{
int dpofua, usage_data_dpofua;
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 WRITE16 DPO/FUA flags");
CHECK_FOR_SBC;
CHECK_FOR_DATALOSS;
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 WRITE16 with DPO==1");
memset(scratch, 0xa6, block_size);
if (dpofua) {
WRITE16(sd, 0, block_size, block_size, 0, 1, 0, 0, 0, scratch,
EXPECT_STATUS_GOOD);
} else {
WRITE16(sd, 0, block_size, block_size, 0, 1, 0, 0, 0, scratch,
EXPECT_INVALID_FIELD_IN_CDB);
}
logging(LOG_VERBOSE, "Test WRITE16 with FUA==1");
if (dpofua) {
WRITE16(sd, 0, block_size, block_size, 0, 0, 1, 0, 0, scratch,
EXPECT_STATUS_GOOD);
} else {
WRITE16(sd, 0, block_size, block_size, 0, 0, 1, 0, 0, scratch,
EXPECT_INVALID_FIELD_IN_CDB);
}
logging(LOG_VERBOSE, "Test WRITE16 with DPO==1 FUA==1");
if (dpofua) {
WRITE16(sd, 0, block_size, block_size, 0, 1, 1, 0, 0, scratch,
EXPECT_STATUS_GOOD);
} else {
WRITE16(sd, 0, block_size, block_size, 0, 1, 1, 0, 0, scratch,
EXPECT_INVALID_FIELD_IN_CDB);
}
logging(LOG_VERBOSE, "Try fetching REPORT_SUPPORTED_OPCODES "
"for WRITE16");
REPORT_SUPPORTED_OPCODES(sd, &rso_task,
0, SCSI_REPORT_SUPPORTING_OPCODE,
SCSI_OPCODE_WRITE16,
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_dpofua = rsoc->cdb_usage_data[1] & 0x18;
if (dpofua) {
logging(LOG_VERBOSE, "DPOFUA is set. Verify the "
"DPO/FUA flags are set in the CDB_USAGE_DATA");
if (!usage_data_dpofua) {
logging(LOG_NORMAL, "[FAILED] DpoFua not set "
"in CDB_USAGE_DATE");
CU_FAIL("DpoFua not set in CDB_USAGE_DATE");
}
} else {
logging(LOG_VERBOSE, "DPOFUA is clear. Verify the "
"DPO/FUA flags are clear in the CDB_USAGE_DATA");
if (usage_data_dpofua) {
logging(LOG_NORMAL, "[FAILED] DpoFua not clear "
"in CDB_USAGE_DATE");
CU_FAIL("DpoFua not clear in CDB_USAGE_DATE");
}
}
scsi_free_scsi_task(rso_task);
}
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