172 lines
7.2 KiB
C
172 lines
7.2 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 <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-support.h"
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#include "iscsi-test-cu.h"
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void
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test_writesame10_unmap(void)
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{
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unsigned int i;
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CHECK_FOR_DATALOSS;
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CHECK_FOR_THIN_PROVISIONING;
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CHECK_FOR_LBPWS10;
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CHECK_FOR_SBC;
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logging(LOG_VERBOSE, LOG_BLANK_LINE);
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logging(LOG_VERBOSE, "Test WRITESAME10 of 1-256 blocks at the start of "
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"the LUN");
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memset(scratch, 0xa6, 256 * block_size);
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for (i = 1; i <= 256; i++) {
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logging(LOG_VERBOSE, "Write %d blocks of 0xFF", i);
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memset(scratch, 0xff, i * block_size);
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WRITE10(sd, 0, i * block_size, block_size,
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0, 0, 0, 0, 0, scratch,
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EXPECT_STATUS_GOOD);
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logging(LOG_VERBOSE, "Unmap %d blocks using WRITESAME10", i);
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memset(scratch, 0, block_size);
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WRITESAME10(sd, 0, block_size, i, 0, 1, 0, 0, scratch,
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EXPECT_STATUS_GOOD);
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if (rc16->lbprz) {
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logging(LOG_VERBOSE, "LBPRZ is set. Read the unmapped "
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"blocks back and verify they are all zero");
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logging(LOG_VERBOSE, "Read %d blocks and verify they "
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"are now zero", i);
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READ10(sd, NULL, 0, i * block_size, block_size,
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0, 0, 0, 0, 0, scratch,
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EXPECT_STATUS_GOOD);
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ALL_ZERO(scratch, i * block_size);
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} else {
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logging(LOG_VERBOSE, "LBPRZ is clear. Skip the read "
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"and verify zero test");
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}
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}
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logging(LOG_VERBOSE, "Test WRITESAME10 of 1-256 blocks at the end of "
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"the LUN");
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for (i = 1; i <= 256; i++) {
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logging(LOG_VERBOSE, "Write %d blocks of 0xFF", i);
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memset(scratch, 0xff, i * block_size);
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WRITE10(sd, num_blocks - i,
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i * block_size, block_size, 0, 0, 0, 0, 0, scratch,
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EXPECT_STATUS_GOOD);
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logging(LOG_VERBOSE, "Unmap %d blocks using WRITESAME10", i);
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memset(scratch, 0, block_size);
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WRITESAME10(sd, num_blocks - i,
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block_size, i, 0, 1, 0, 0, scratch,
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EXPECT_STATUS_GOOD);
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if (rc16->lbprz) {
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logging(LOG_VERBOSE, "LBPRZ is set. Read the unmapped "
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"blocks back and verify they are all zero");
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logging(LOG_VERBOSE, "Read %d blocks and verify they "
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"are now zero", i);
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READ10(sd, NULL, num_blocks - i,
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i * block_size, block_size,
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0, 0, 0, 0, 0, scratch,
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EXPECT_STATUS_GOOD);
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ALL_ZERO(scratch, i * block_size);
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} else {
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logging(LOG_VERBOSE, "LBPRZ is clear. Skip the read "
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"and verify zero test");
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}
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}
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logging(LOG_VERBOSE, "Verify that WRITESAME10 ANCHOR==1 + UNMAP==0 is "
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"invalid");
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WRITESAME10(sd, 0, block_size, 1, 1, 0, 0, 0, scratch,
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EXPECT_INVALID_FIELD_IN_CDB);
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if (inq_lbp->anc_sup) {
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logging(LOG_VERBOSE, "Test WRITESAME10 ANCHOR==1 + UNMAP==0");
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memset(scratch, 0, block_size);
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WRITESAME10(sd, 0, block_size, 1, 1, 1, 0, 0, scratch,
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EXPECT_STATUS_GOOD);
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} else {
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logging(LOG_VERBOSE, "Test WRITESAME10 ANCHOR==1 + UNMAP==0 no "
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"ANC_SUP so expecting to fail");
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WRITESAME10(sd, 0, block_size, 1, 1, 1, 0, 0, scratch,
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EXPECT_INVALID_FIELD_IN_CDB);
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}
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if (inq_bl == NULL) {
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logging(LOG_VERBOSE, "[FAILED] WRITESAME10 works but "
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"BlockLimits VPD is missing.");
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CU_FAIL("[FAILED] WRITESAME10 works but "
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"BlockLimits VPD is missing.");
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return;
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}
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i = 256;
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if (i <= num_blocks
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&& (inq_bl->max_ws_len == 0 || inq_bl->max_ws_len >= i)) {
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logging(LOG_VERBOSE, "Block Limits VPD page reports MAX_WS_LEN "
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"as either 0 (==no limit) or >= %d. Test Unmapping "
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"%d blocks to verify that it can handle 2-byte "
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"lengths", i, i);
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logging(LOG_VERBOSE, "Write %d blocks of 0xFF", i);
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memset(scratch, 0xff, i * block_size);
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WRITE10(sd, 0,
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i * block_size, block_size, 0, 0, 0, 0, 0, scratch,
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EXPECT_STATUS_GOOD);
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logging(LOG_VERBOSE, "Unmap %d blocks using WRITESAME10", i);
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memset(scratch, 0, block_size);
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WRITESAME10(sd, 0, block_size, i, 0, 1, 0, 0, scratch,
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EXPECT_STATUS_GOOD);
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if (rc16->lbprz) {
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logging(LOG_VERBOSE, "LBPRZ is set. Read the unmapped "
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"blocks back and verify they are all zero");
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logging(LOG_VERBOSE, "Read %d blocks and verify they "
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"are now zero", i);
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READ10(sd, NULL, 0, i * block_size, block_size,
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0, 0, 0, 0, 0, scratch,
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EXPECT_STATUS_GOOD);
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ALL_ZERO(scratch, i * block_size);
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} else {
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logging(LOG_VERBOSE, "LBPRZ is clear. Skip the read "
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"and verify zero test");
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}
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} else if (i <= num_blocks) {
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logging(LOG_VERBOSE, "Block Limits VPD page reports MAX_WS_LEN "
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"as <256. Verify that a 256 block unmap fails with "
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"INVALID_FIELD_IN_CDB.");
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logging(LOG_VERBOSE, "Unmap %d blocks using WRITESAME10", i);
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WRITESAME10(sd, 0, block_size, i, 0, 1, 0, 0, scratch,
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EXPECT_INVALID_FIELD_IN_CDB);
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}
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}
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