127 lines
4.9 KiB
C
127 lines
4.9 KiB
C
/*
|
|
Copyright (c) 2015 SanDisk Corp.
|
|
|
|
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 <string.h>
|
|
#include <stdlib.h>
|
|
|
|
#include <CUnit/CUnit.h>
|
|
|
|
#include "iscsi.h"
|
|
#include "scsi-lowlevel.h"
|
|
#include "iscsi-test-cu.h"
|
|
#include "iscsi-private.h"
|
|
|
|
int init_xcopy_descr(unsigned char *buf, int offset, int num_tgt_desc,
|
|
int num_seg_desc, int *tgt_desc_len, int *seg_desc_len)
|
|
{
|
|
int i;
|
|
|
|
/* Initialize target descriptor list with num_tgt_desc
|
|
* target descriptor */
|
|
for (i = 0; i < num_tgt_desc; i++)
|
|
offset += populate_tgt_desc(buf+offset, IDENT_DESCR_TGT_DESCR,
|
|
LU_ID_TYPE_LUN, 0, 0, 0, 0, sd);
|
|
*tgt_desc_len = offset - XCOPY_DESC_OFFSET;
|
|
|
|
/* Initialize segment descriptor list with num_seg_desc
|
|
* segment descriptor */
|
|
for (i = 0; i < num_seg_desc; i++)
|
|
offset += populate_seg_desc_b2b(buf+offset, 0, 0, 0, 0,
|
|
2048, 0, num_blocks - 2048);
|
|
*seg_desc_len = offset - XCOPY_DESC_OFFSET - *tgt_desc_len;
|
|
|
|
return offset;
|
|
}
|
|
|
|
void
|
|
test_extendedcopy_descr_limits(void)
|
|
{
|
|
struct scsi_task *edl_task;
|
|
struct iscsi_data data;
|
|
unsigned char *xcopybuf;
|
|
struct scsi_copy_results_op_params *opp = NULL;
|
|
int tgt_desc_len = 0, seg_desc_len = 0, seg_desc_count;
|
|
unsigned int alloc_len;
|
|
|
|
logging(LOG_VERBOSE, LOG_BLANK_LINE);
|
|
logging(LOG_VERBOSE, "Test EXTENDED COPY descriptor limits");
|
|
|
|
CHECK_FOR_DATALOSS;
|
|
|
|
logging(LOG_VERBOSE, "Issue RECEIVE COPY RESULTS (OPERATING PARAMS)");
|
|
RECEIVE_COPY_RESULTS(&edl_task, sd, SCSI_COPY_RESULTS_OP_PARAMS, 0,
|
|
(void **)&opp, EXPECT_STATUS_GOOD);
|
|
|
|
CU_ASSERT_NOT_EQUAL(opp, NULL);
|
|
if (!opp)
|
|
return;
|
|
|
|
/* Allocate buffer to accommodate (MAX+1) target and
|
|
* segment descriptors */
|
|
alloc_len = XCOPY_DESC_OFFSET +
|
|
(opp->max_target_desc_count+1) *
|
|
get_desc_len(IDENT_DESCR_TGT_DESCR) +
|
|
(opp->max_segment_desc_count+1) *
|
|
get_desc_len(BLK_TO_BLK_SEG_DESCR);
|
|
alloc_len = MAX(alloc_len, (XCOPY_DESC_OFFSET
|
|
+ opp->max_desc_list_length
|
|
+ get_desc_len(BLK_TO_BLK_SEG_DESCR)));
|
|
data.data = malloc(alloc_len);
|
|
xcopybuf = data.data;
|
|
memset(xcopybuf, 0, alloc_len);
|
|
|
|
logging(LOG_VERBOSE,
|
|
"Test sending more than supported target descriptors");
|
|
data.size = init_xcopy_descr(xcopybuf, XCOPY_DESC_OFFSET,
|
|
(opp->max_target_desc_count+1), 1,
|
|
&tgt_desc_len, &seg_desc_len);
|
|
populate_param_header(xcopybuf, 1, 0, 0, 0,
|
|
tgt_desc_len, seg_desc_len, 0);
|
|
EXTENDEDCOPY(sd, &data, EXPECT_TOO_MANY_DESCR);
|
|
|
|
logging(LOG_VERBOSE,
|
|
"Test sending more than supported segment descriptors");
|
|
memset(xcopybuf, 0, alloc_len);
|
|
data.size = init_xcopy_descr(xcopybuf, XCOPY_DESC_OFFSET, 1,
|
|
(opp->max_segment_desc_count+1),
|
|
&tgt_desc_len, &seg_desc_len);
|
|
populate_param_header(xcopybuf, 2, 0, 0, 0,
|
|
tgt_desc_len, seg_desc_len, 0);
|
|
EXTENDEDCOPY(sd, &data, EXPECT_TOO_MANY_DESCR);
|
|
|
|
logging(LOG_VERBOSE,
|
|
"Test sending descriptors > Maximum Descriptor List Length");
|
|
memset(xcopybuf, 0, alloc_len);
|
|
tgt_desc_len = (opp->max_target_desc_count + 1)
|
|
* get_desc_len(IDENT_DESCR_TGT_DESCR);
|
|
/* Overfill remaining max_desc_list_length with segment descriptors */
|
|
seg_desc_len = alloc_len - XCOPY_DESC_OFFSET - tgt_desc_len;
|
|
seg_desc_count = seg_desc_len / get_desc_len(BLK_TO_BLK_SEG_DESCR);
|
|
data.size = init_xcopy_descr(xcopybuf, XCOPY_DESC_OFFSET,
|
|
(opp->max_target_desc_count+1),
|
|
seg_desc_count,
|
|
&tgt_desc_len, &seg_desc_len);
|
|
populate_param_header(xcopybuf, 3, 0, 0, 0,
|
|
tgt_desc_len, seg_desc_len, 0);
|
|
EXTENDEDCOPY(sd, &data, EXPECT_PARAM_LIST_LEN_ERR);
|
|
|
|
scsi_free_scsi_task(edl_task);
|
|
free(xcopybuf);
|
|
}
|