9826147581
Avoid that this test crashes as follows if the RECEIVE COPY RESULTS
command is not supported:
[FAILED] RECEIVECOPYRESULT command failed with sense. (null)
Segmentation fault
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: Sushma Gurram <Sushma.Gurram@sandisk.com>
126 lines
3.9 KiB
C
126 lines
3.9 KiB
C
/*
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Copyright (c) 2015 SanDisk Corp.
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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 <stdlib.h>
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#include <string.h>
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#include <stdlib.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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int init_xcopy_descr(unsigned char *buf, int offset, int num_tgt_desc,
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int num_seg_desc, int *tgt_desc_len, int *seg_desc_len)
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{
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int i;
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/* Initialize target descriptor list with num_tgt_desc
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* target descriptor */
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for (i = 0; i < num_tgt_desc; i++)
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offset += populate_tgt_desc(buf+offset, IDENT_DESCR_TGT_DESCR,
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LU_ID_TYPE_LUN, 0, 0, 0, 0, sd);
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*tgt_desc_len = offset - XCOPY_DESC_OFFSET;
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/* Iniitialize segment descriptor list with num_seg_desc
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* segment descriptor */
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for (i = 0; i < num_seg_desc; i++)
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offset += populate_seg_desc_b2b(buf+offset, 0, 0, 0, 0,
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2048, 0, num_blocks - 2048);
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*seg_desc_len = offset - XCOPY_DESC_OFFSET - *tgt_desc_len;
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return offset;
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}
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void
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test_extendedcopy_descr_limits(void)
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{
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int ret;
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struct iscsi_data data;
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unsigned char *xcopybuf;
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struct scsi_copy_results_op_params *opp;
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int tgt_desc_len = 0, seg_desc_len = 0;
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unsigned int alloc_len;
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logging(LOG_VERBOSE, LOG_BLANK_LINE);
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logging(LOG_VERBOSE, "Test EXTENDED COPY descriptor limits");
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CHECK_FOR_DATALOSS;
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logging(LOG_VERBOSE, "Issue RECEIVE COPY RESULTS (OPERATING PARAMS)");
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ret = receive_copy_results(sd, SCSI_COPY_RESULTS_OP_PARAMS, 0,
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(void **)&opp, EXPECT_STATUS_GOOD);
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if (ret < 0) {
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CU_PASS("[SKIPPED] Target does not support "
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"RECEIVE_COPY_RESULTS. Skipping test");
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return;
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}
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CU_ASSERT_EQUAL(ret, 0);
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/* Allocate buffer to accommodate (MAX+1) target and
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* segment descriptors */
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alloc_len = XCOPY_DESC_OFFSET +
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(opp->max_target_desc_count+1) *
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get_desc_len(IDENT_DESCR_TGT_DESCR) +
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(opp->max_segment_desc_count+1) *
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get_desc_len(BLK_TO_BLK_SEG_DESCR);
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data.data = alloca(alloc_len);
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xcopybuf = data.data;
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logging(LOG_VERBOSE,
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"Test sending more than supported target descriptors");
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data.size = init_xcopy_descr(xcopybuf, XCOPY_DESC_OFFSET,
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(opp->max_target_desc_count+1), 1,
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&tgt_desc_len, &seg_desc_len);
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populate_param_header(xcopybuf, 1, 0, 0, 0,
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tgt_desc_len, seg_desc_len, 0);
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ret = extendedcopy(sd, &data, EXPECT_TOO_MANY_DESCR);
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if (ret == -2) {
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CU_PASS("[SKIPPED] Target does not support "
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"EXTENDED_COPY. Skipping test");
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return;
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}
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CU_ASSERT_EQUAL(ret, 0);
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logging(LOG_VERBOSE,
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"Test sending more than supported segment descriptors");
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memset(xcopybuf, 0, alloc_len);
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data.size = init_xcopy_descr(xcopybuf, XCOPY_DESC_OFFSET, 1,
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(opp->max_segment_desc_count+1),
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&tgt_desc_len, &seg_desc_len);
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populate_param_header(xcopybuf, 2, 0, 0, 0,
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tgt_desc_len, seg_desc_len, 0);
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ret = extendedcopy(sd, &data, EXPECT_TOO_MANY_DESCR);
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CU_ASSERT_EQUAL(ret, 0);
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logging(LOG_VERBOSE,
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"Test sending descriptors > Maximum Descriptor List Length");
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memset(xcopybuf, 0, alloc_len);
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if (opp->max_desc_list_length < alloc_len) {
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data.size = init_xcopy_descr(xcopybuf, XCOPY_DESC_OFFSET,
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(opp->max_target_desc_count+1),
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(opp->max_segment_desc_count+1),
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&tgt_desc_len, &seg_desc_len);
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populate_param_header(xcopybuf, 3, 0, 0, 0,
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tgt_desc_len, seg_desc_len, 0);
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ret = extendedcopy(sd, &data, EXPECT_PARAM_LIST_LEN_ERR);
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CU_ASSERT_EQUAL(ret, 0);
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}
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}
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