97 lines
3.4 KiB
C
97 lines
3.4 KiB
C
/* -*- mode:c; tab-width:8; c-basic-offset:8; indent-tabs-mode:nil; -*- */
|
|
/*
|
|
Copyright (C) 2013 Ronnie Sahlberg <ronniesahlberg@gmail.com>
|
|
Copyright (C) 2015 David Disseldorp
|
|
|
|
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 <inttypes.h>
|
|
#include <stdlib.h>
|
|
|
|
#include <CUnit/CUnit.h>
|
|
|
|
#include "iscsi.h"
|
|
#include "scsi-lowlevel.h"
|
|
#include "iscsi-support.h"
|
|
#include "iscsi-test-cu.h"
|
|
#include "iscsi-multipath.h"
|
|
|
|
void
|
|
test_multipathio_compareandwrite(void)
|
|
{
|
|
int io_bl = 1; /* 1 block CAW IOs */
|
|
int path;
|
|
int i, ret;
|
|
int maxbl;
|
|
|
|
CHECK_FOR_DATALOSS;
|
|
CHECK_FOR_SBC;
|
|
MPATH_SKIP_IF_UNAVAILABLE(mp_sds, mp_num_sds);
|
|
|
|
if (inq_bl) {
|
|
maxbl = inq_bl->max_cmp;
|
|
} else {
|
|
/* Assume we are not limited */
|
|
maxbl = 256;
|
|
}
|
|
if (maxbl < io_bl) {
|
|
CU_PASS("[SKIPPED] MAXIMUM_COMPARE_AND_WRITE_LENGTH too small");
|
|
return;
|
|
}
|
|
|
|
logging(LOG_VERBOSE, LOG_BLANK_LINE);
|
|
logging(LOG_VERBOSE, "Initialising data prior to COMPARE_AND_WRITE");
|
|
|
|
memset(scratch, 0, io_bl * block_size);
|
|
ret = writesame10(mp_sds[0], 0,
|
|
block_size, 256, 0, 0, 0, 0, scratch,
|
|
EXPECT_STATUS_GOOD);
|
|
if (ret == -2) {
|
|
CU_PASS("[SKIPPED] Target does not support WRITESAME10. Skipping test");
|
|
return;
|
|
}
|
|
CU_ASSERT_EQUAL(ret, 0);
|
|
|
|
logging(LOG_VERBOSE, "Test multipath COMPARE_AND_WRITE");
|
|
for (i = 0; i < 256; i++) {
|
|
|
|
for (path = 0; path < mp_num_sds; path++) {
|
|
logging(LOG_VERBOSE,
|
|
"Test COMPARE_AND_WRITE(%d->%d) using path %d",
|
|
path, path + 1, path);
|
|
|
|
/* compare data is first half */
|
|
memset(scratch, path, io_bl * block_size);
|
|
/* write data is the second half, wrap around */
|
|
memset(scratch + io_bl * block_size, path + 1,
|
|
io_bl * block_size);
|
|
COMPAREANDWRITE(mp_sds[path], i,
|
|
scratch, 2 * io_bl * block_size,
|
|
block_size, 0, 0, 0, 0,
|
|
EXPECT_STATUS_GOOD);
|
|
|
|
logging(LOG_VERBOSE,
|
|
"Test bad COMPARE_AND_WRITE(%d->%d)",
|
|
path, path + 1);
|
|
|
|
COMPAREANDWRITE(mp_sds[path], i,
|
|
scratch, 2 * io_bl * block_size,
|
|
block_size, 0, 0, 0, 0,
|
|
EXPECT_MISCOMPARE);
|
|
}
|
|
}
|
|
}
|