ded75ae18a
From the SPC-4 paragraph about WRITE SAME(10): "The WRITE SAME (10) command requests that the device server transfer a single logical block from the Data-Out Buffer [ ... ]". Hence always pass a data buffer when sending a WRITE SAME(10) command. Set the NDOB bit in the WRITE SAME(16) command if no data out buffer is present. Signed-off-by: Bart Van Assche <bvanassche@acm.org>
81 lines
2.3 KiB
C
81 lines
2.3 KiB
C
/*
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Copyright (C) 2013 Ronnie Sahlberg <ronniesahlberg@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdio.h>
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#include <CUnit/CUnit.h>
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#include "iscsi.h"
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#include "scsi-lowlevel.h"
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#include "iscsi-test-cu.h"
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void
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test_writesame10_0blocks(void)
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{
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int ret;
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unsigned char *buf = alloca(block_size);
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CHECK_FOR_DATALOSS;
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CHECK_FOR_SBC;
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if (num_blocks >= 0x80000000) {
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CU_PASS("LUN is too big for write-beyond-eol tests with WRITESAME10. Skipping test.\n");
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return;
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}
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logging(LOG_VERBOSE, LOG_BLANK_LINE);
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logging(LOG_VERBOSE, "Test WRITESAME10 0-blocks at LBA==0 (WSNZ=%d)",
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inq_bl->wsnz);
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ret = writesame10(iscsic, tgt_lun, 0,
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block_size, 0,
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0, 0, 0, 0, buf);
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if (ret == -2) {
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CU_PASS("[SKIPPED] Target does not support WRITESAME10. Skipping test");
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return;
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} else if (ret == -3) {
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CU_PASS("[SKIPPED] Target does not support WRITESAME10 with NUMBER OF LOGICAL BLOCKS == 0");
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} else if (ret == -4) {
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CU_PASS("[SKIPPED] Number of WRITESAME10 logical blocks to be written exceeds MAXIMUM WRITE SAME LENGTH");
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} else {
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if (inq_bl->wsnz) {
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CU_ASSERT_EQUAL(ret, -1);
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} else {
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CU_ASSERT_EQUAL(ret, 0);
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}
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}
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logging(LOG_VERBOSE, "Test WRITESAME10 0-blocks one block past end-of-LUN");
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ret = writesame10_lbaoutofrange(iscsic, tgt_lun, num_blocks + 1,
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block_size, 0,
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0, 0, 0, 0, buf);
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CU_ASSERT_EQUAL(ret, 0);
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logging(LOG_VERBOSE, "Test WRITESAME10 0-blocks at LBA==2^31");
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ret = writesame10_lbaoutofrange(iscsic, tgt_lun, 0x80000000,
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block_size, 0,
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0, 0, 0, 0, buf);
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CU_ASSERT_EQUAL(ret, 0);
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logging(LOG_VERBOSE, "Test WRITESAME10 0-blocks at LBA==-1");
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ret = writesame10_lbaoutofrange(iscsic, tgt_lun, -1,
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block_size, 0,
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0, 0, 0, 0, buf);
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CU_ASSERT_EQUAL(ret, 0);
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}
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