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/*
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 <stdlib.h>
#include <CUnit/CUnit.h>
#include "iscsi.h"
#include "scsi-lowlevel.h"
#include "iscsi-support.h"
#include "iscsi-test-cu.h"
void
test_writesame16_unmap_until_end(void)
{
int ret;
unsigned int i, j;
unsigned char *buf = alloca(256 * block_size);
unsigned char *zeroBlock;
CHECK_FOR_DATALOSS;
CHECK_FOR_THIN_PROVISIONING;
CHECK_FOR_LBPWS;
CHECK_FOR_SBC;
zeroBlock = alloca(block_size);
memset(zeroBlock, 0, block_size);
logging(LOG_VERBOSE, LOG_BLANK_LINE);
logging(LOG_VERBOSE, "Test WRITESAME16 of 1-256 blocks at the end of the LUN by setting number-of-blocks==0");
for (i = 1; i <= 256; i++) {
logging(LOG_VERBOSE, "Write %d blocks of 0xFF", i);
memset(buf, 0xff, block_size * i);
ret = write16(iscsic, tgt_lun, num_blocks - i,
i * block_size, block_size,
0, 0, 0, 0, 0, buf);
logging(LOG_VERBOSE, "Unmap %d blocks using WRITESAME16", i);
ret = writesame16(iscsic, tgt_lun, num_blocks - i,
0, i,
0, 1, 0, 0, NULL);
if (ret == -2) {
logging(LOG_NORMAL, "[SKIPPED] WRITESAME16 is not implemented.");
CU_PASS("[SKIPPED] Target does not support WRITESAME16. Skipping test");
return;
}
CU_ASSERT_EQUAL(ret, 0);
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);
ret = read16(iscsic, tgt_lun, num_blocks - i,
i * block_size, block_size,
0, 0, 0, 0, 0, buf);
for (j = 0; j < i; j++) {
CU_ASSERT_EQUAL(memcmp(buf + j*block_size, zeroBlock, block_size), 0);
}
} else {
logging(LOG_VERBOSE, "LBPRZ is clear. Skip the read "
"and verify zero test");
}
}
}
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