152 lines
6.2 KiB
C
152 lines
6.2 KiB
C
/* -*- mode:c; tab-width:8; c-basic-offset:8; indent-tabs-mode:nil; -*- */
|
|
/*
|
|
Copyright (C) 2013 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 <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"
|
|
|
|
|
|
void
|
|
test_compareandwrite_simple(void)
|
|
{
|
|
int i;
|
|
unsigned j;
|
|
int maxbl;
|
|
|
|
CHECK_FOR_DATALOSS;
|
|
CHECK_FOR_SBC;
|
|
|
|
if (inq_bl && inq_bl->max_cmp) {
|
|
maxbl = inq_bl->max_cmp;
|
|
} else {
|
|
/* Assume we are not limited */
|
|
maxbl = 256;
|
|
}
|
|
|
|
logging(LOG_VERBOSE, LOG_BLANK_LINE);
|
|
logging(LOG_VERBOSE, "Test COMPARE_AND_WRITE of 1-256 blocks at the "
|
|
"start of the LUN");
|
|
for (i = 1; i < 256; i++) {
|
|
logging(LOG_VERBOSE, "Write %d blocks of 'A' at LBA:0", i);
|
|
memset(scratch, 'A', 2 * i * block_size);
|
|
if (maximum_transfer_length && maximum_transfer_length < i) {
|
|
break;
|
|
}
|
|
WRITE16(sd, 0, i * block_size,
|
|
block_size, 0, 0, 0, 0, 0, scratch,
|
|
EXPECT_STATUS_GOOD);
|
|
|
|
if (i > maxbl) {
|
|
logging(LOG_VERBOSE, "Number of blocks %d is greater than "
|
|
"BlockLimits.MaximumCompareAndWriteLength(%d). "
|
|
"Command should fail with INVALID_FIELD_IN_CDB",
|
|
i, maxbl);
|
|
COMPAREANDWRITE(sd, 0,
|
|
scratch, 2 * i * block_size,
|
|
block_size, 0, 0, 0, 0,
|
|
EXPECT_INVALID_FIELD_IN_CDB);
|
|
continue;
|
|
}
|
|
|
|
memset(scratch + i * block_size, 'B', i * block_size);
|
|
|
|
logging(LOG_VERBOSE, "Overwrite %d blocks with 'B' "
|
|
"at LBA:0 (if they all contain 'A')", i);
|
|
COMPAREANDWRITE(sd, 0,
|
|
scratch, 2 * i * block_size, block_size,
|
|
0, 0, 0, 0,
|
|
EXPECT_STATUS_GOOD);
|
|
|
|
logging(LOG_VERBOSE, "Read %d blocks at LBA:0 and verify "
|
|
"they are all 'B'", i);
|
|
READ16(sd, NULL, 0, i * block_size,
|
|
block_size, 0, 0, 0, 0, 0, scratch,
|
|
EXPECT_STATUS_GOOD);
|
|
|
|
for (j = 0; j < i * block_size; j++) {
|
|
if (scratch[j] != 'B') {
|
|
logging(LOG_VERBOSE, "[FAILED] Data did not "
|
|
"read back as 'B' (scratch[%d] = %#02x)",
|
|
j, scratch[j]);
|
|
CU_FAIL("Block was not written correctly");
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
logging(LOG_VERBOSE, "Test COMPARE_AND_WRITE of 1-256 blocks at the "
|
|
"end of the LUN");
|
|
for (i = 1; i < 256; i++) {
|
|
logging(LOG_VERBOSE, "Write %d blocks of 'A' at LBA:%" PRIu64,
|
|
i, num_blocks - i);
|
|
memset(scratch, 'A', 2 * i * block_size);
|
|
if (maximum_transfer_length && maximum_transfer_length < i) {
|
|
break;
|
|
}
|
|
WRITE16(sd, num_blocks - i, i * block_size,
|
|
block_size, 0, 0, 0, 0, 0, scratch,
|
|
EXPECT_STATUS_GOOD);
|
|
|
|
if (i > maxbl) {
|
|
logging(LOG_VERBOSE, "Number of blocks %d is greater than "
|
|
"BlockLimits.MaximumCompareAndWriteLength(%d). "
|
|
"Command should fail with INVALID_FIELD_IN_CDB",
|
|
i, maxbl);
|
|
COMPAREANDWRITE(sd, 0,
|
|
scratch, 2 * i * block_size,
|
|
block_size, 0, 0, 0, 0,
|
|
EXPECT_INVALID_FIELD_IN_CDB);
|
|
continue;
|
|
}
|
|
memset(scratch + i * block_size, 'B', i * block_size);
|
|
|
|
logging(LOG_VERBOSE, "Overwrite %d blocks with 'B' "
|
|
"at LBA:%" PRIu64 " (if they all contain 'A')",
|
|
i, num_blocks - i);
|
|
COMPAREANDWRITE(sd, num_blocks - i,
|
|
scratch, 2 * i * block_size, block_size,
|
|
0, 0, 0, 0,
|
|
EXPECT_STATUS_GOOD);
|
|
|
|
logging(LOG_VERBOSE, "Read %d blocks at LBA:%" PRIu64
|
|
" and verify they are all 'B'",
|
|
i, num_blocks - i);
|
|
READ16(sd, NULL, num_blocks - i, i * block_size,
|
|
block_size, 0, 0, 0, 0, 0, scratch,
|
|
EXPECT_STATUS_GOOD);
|
|
|
|
for (j = 0; j < i * block_size; j++) {
|
|
if (scratch[j] != 'B') {
|
|
logging(LOG_VERBOSE, "[FAILED] Data did not "
|
|
"read back as 'B' (scratch[%d] = %#02x)",
|
|
j, scratch[j]);
|
|
CU_FAIL("Block was not written correctly");
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|