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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 <CUnit/CUnit.h>
#include "iscsi.h"
#include "scsi-lowlevel.h"
#include "iscsi-support.h"
#include "iscsi-test-cu.h"
void
test_writesame16_unmap(void)
{
unsigned int i;
CHECK_FOR_DATALOSS;
CHECK_FOR_THIN_PROVISIONING;
CHECK_FOR_LBPWS;
CHECK_FOR_SBC;
logging(LOG_VERBOSE, LOG_BLANK_LINE);
logging(LOG_VERBOSE, "Test WRITESAME16 of 1-256 blocks at the start of the LUN");
for (i = 1; i <= 256; i++) {
logging(LOG_VERBOSE, "Write %d blocks of 0xFF", i);
memset(scratch, 0xff, i * block_size);
WRITE16(sd, 0, i * block_size, block_size,
0, 0, 0, 0, 0, scratch,
EXPECT_STATUS_GOOD);
logging(LOG_VERBOSE, "Unmap %d blocks using WRITESAME16", i);
memset(scratch, 0, block_size);
WRITESAME16(sd, 0, block_size, i, 0, 1, 0, 0, scratch,
EXPECT_STATUS_GOOD);
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);
READ16(sd, NULL, 0, i * block_size, block_size,
0, 0, 0, 0, 0, scratch,
EXPECT_STATUS_GOOD);
ALL_ZERO(scratch, i * block_size);
} else {
logging(LOG_VERBOSE, "LBPRZ is clear. Skip the read "
"and verify zero test");
}
}
logging(LOG_VERBOSE, "Test WRITESAME16 of 1-256 blocks at the end of the LUN");
for (i = 1; i <= 256; i++) {
logging(LOG_VERBOSE, "Write %d blocks of 0xFF", i);
memset(scratch, 0xff, i * block_size);
WRITE16(sd, num_blocks - i,
i * block_size, block_size, 0, 0, 0, 0, 0, scratch,
EXPECT_STATUS_GOOD);
logging(LOG_VERBOSE, "Unmap %d blocks using WRITESAME16", i);
memset(scratch, 0, block_size);
WRITESAME16(sd, num_blocks - i,
block_size, i, 0, 1, 0, 0, scratch,
EXPECT_STATUS_GOOD);
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);
READ16(sd, NULL, num_blocks - i,
i * block_size, block_size,
0, 0, 0, 0, 0, scratch,
EXPECT_STATUS_GOOD);
ALL_ZERO(scratch, i * block_size);
} else {
logging(LOG_VERBOSE, "LBPRZ is clear. Skip the read "
"and verify zero test");
}
}
logging(LOG_VERBOSE, "Verify that WRITESAME16 ANCHOR==1 + UNMAP==0 is invalid");
WRITESAME16(sd, 0, block_size, 1, 1, 0, 0, 0, scratch,
EXPECT_INVALID_FIELD_IN_CDB);
if (inq_lbp->anc_sup) {
logging(LOG_VERBOSE, "Test WRITESAME16 ANCHOR==1 + UNMAP==0");
memset(scratch, 0, block_size);
WRITESAME16(sd, 0, block_size, 1, 1, 1, 0, 0, scratch,
EXPECT_STATUS_GOOD);
} else {
logging(LOG_VERBOSE, "Test WRITESAME16 ANCHOR==1 + UNMAP==0 no ANC_SUP so expecting to fail");
WRITESAME16(sd, 0, block_size, 1, 1, 1, 0, 0, scratch,
EXPECT_INVALID_FIELD_IN_CDB);
}
if (inq_bl == NULL) {
logging(LOG_VERBOSE, "[FAILED] WRITESAME16 works but "
"BlockLimits VPD is missing.");
CU_FAIL("[FAILED] WRITESAME16 works but "
"BlockLimits VPD is missing.");
return;
}
i = 256;
if (i <= num_blocks
&& (inq_bl->max_ws_len == 0 || inq_bl->max_ws_len >= i)) {
logging(LOG_VERBOSE, "Block Limits VPD page reports MAX_WS_LEN "
"as either 0 (==no limit) or >= %d. Test Unmapping "
"%d blocks to verify that it can handle 2-byte "
"lengths", i, i);
logging(LOG_VERBOSE, "Write %d blocks of 0xFF", i);
memset(scratch, 0xff, i * block_size);
WRITE16(sd, 0,
i * block_size, block_size, 0, 0, 0, 0, 0, scratch,
EXPECT_STATUS_GOOD);
logging(LOG_VERBOSE, "Unmap %d blocks using WRITESAME16", i);
memset(scratch, 0, block_size);
WRITESAME16(sd, 0, block_size, i, 0, 1, 0, 0, scratch,
EXPECT_STATUS_GOOD);
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);
READ16(sd, NULL, 0, i * block_size, block_size,
0, 0, 0, 0, 0, scratch,
EXPECT_STATUS_GOOD);
ALL_ZERO(scratch, i * block_size);
} else {
logging(LOG_VERBOSE, "LBPRZ is clear. Skip the read "
"and verify zero test");
}
} else if (i <= num_blocks) {
logging(LOG_VERBOSE, "Block Limits VPD page reports MAX_WS_LEN "
"as <256. Verify that a 256 block unmap fails with "
"INVALID_FIELD_IN_CDB.");
logging(LOG_VERBOSE, "Unmap %d blocks using WRITESAME16", i);
WRITESAME16(sd, 0, block_size, i, 0, 1, 0, 0, scratch,
EXPECT_INVALID_FIELD_IN_CDB);
}
i = 65536;
if (i <= num_blocks
&& (inq_bl->max_ws_len == 0 || inq_bl->max_ws_len >= i)) {
logging(LOG_VERBOSE, "Block Limits VPD page reports MAX_WS_LEN "
"as either 0 (==no limit) or >= %d. Test Unmapping "
"%d blocks to verify that it can handle 4-byte "
"lengths", i, i);
logging(LOG_VERBOSE, "Write %d blocks of 0xFF", i);
memset(scratch, 0xff, i * block_size);
WRITE16(sd, 0,
i * block_size, block_size, 0, 0, 0, 0, 0, scratch,
EXPECT_STATUS_GOOD);
logging(LOG_VERBOSE, "Unmap %d blocks using WRITESAME16", i);
memset(scratch, 0, block_size);
WRITESAME16(sd, 0, block_size, i, 0, 1, 0, 0, scratch,
EXPECT_STATUS_GOOD);
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);
READ16(sd, NULL, 0, i * block_size, block_size,
0, 0, 0, 0, 0, scratch,
EXPECT_STATUS_GOOD);
ALL_ZERO(scratch, i * block_size);
} else {
logging(LOG_VERBOSE, "LBPRZ is clear. Skip the read "
"and verify zero test");
}
} else if (i <= num_blocks) {
logging(LOG_VERBOSE, "Block Limits VPD page reports MAX_WS_LEN "
"as <256. Verify that a 256 block unmap fails with "
"INVALID_FIELD_IN_CDB.");
logging(LOG_VERBOSE, "Unmap %d blocks using WRITESAME16", i);
WRITESAME16(sd, 0, block_size, i, 0, 1, 0, 0, scratch,
EXPECT_INVALID_FIELD_IN_CDB);
}
}
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