125 lines
3.3 KiB
C
125 lines
3.3 KiB
C
/* -*- mode:c; tab-width:8; c-basic-offset:8; indent-tabs-mode:nil; -*- */
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/*
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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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static void
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init_lun_with_data(uint64_t lba)
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{
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int ret;
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memset(scratch, 'a', 256 * block_size);
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ret = write10(sd, lba, 256 * block_size,
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block_size, 0, 0, 0, 0, 0, scratch,
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EXPECT_STATUS_GOOD);
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CU_ASSERT_EQUAL(ret, 0);
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}
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void
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test_unmap_simple(void)
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{
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int i, ret;
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struct unmap_list list[257];
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logging(LOG_VERBOSE, LOG_BLANK_LINE);
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logging(LOG_VERBOSE, "Test basic UNMAP");
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CHECK_FOR_DATALOSS;
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CHECK_FOR_THIN_PROVISIONING;
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CHECK_FOR_SBC;
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logging(LOG_VERBOSE, "Test UNMAP of 1-256 blocks at the start of the "
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"LUN as a single descriptor");
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logging(LOG_VERBOSE, "Write 'a' to the first 256 LBAs");
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init_lun_with_data(0);
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for (i = 1; i <= 256; i++) {
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logging(LOG_VERBOSE, "UNMAP blocks 0-%d", i);
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list[0].lba = 0;
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list[0].num = i;
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ret = unmap(sd, 0, list, 1,
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EXPECT_STATUS_GOOD);
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CU_ASSERT_EQUAL(ret, 0);
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logging(LOG_VERBOSE, "Read blocks 0-%d", i);
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ret = read10(sd, NULL, 0, i * block_size,
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block_size, 0, 0, 0, 0, 0, scratch,
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EXPECT_STATUS_GOOD);
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CU_ASSERT_EQUAL(ret, 0);
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if (rc16 && rc16->lbprz) {
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logging(LOG_VERBOSE, "LBPRZ==1 All UNMAPPED blocks "
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"should read back as 0");
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if (all_zeroes(scratch, i * block_size) == 0) {
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logging(LOG_NORMAL, "[FAILED] Blocks did not "
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"read back as zero");
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CU_FAIL("[FAILED] Blocks did not read back "
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"as zero");
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} else {
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logging(LOG_VERBOSE, "[SUCCESS] Blocks read "
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"back as zero");
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}
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}
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}
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logging(LOG_VERBOSE, "Test UNMAP of 1-256 blocks at the start of the "
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"LUN with one descriptor per block");
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logging(LOG_VERBOSE, "Write 'a' to the first 256 LBAs");
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init_lun_with_data(0);
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CU_ASSERT_EQUAL(ret, 0);
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for (i = 0; i < 256; i++) {
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list[i].lba = i;
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list[i].num = 1;
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ret = unmap(sd, 0, list, i + 1,
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EXPECT_STATUS_GOOD);
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CU_ASSERT_EQUAL(ret, 0);
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logging(LOG_VERBOSE, "Read blocks 0-%d", i);
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ret = read10(sd, NULL, 0, i * block_size,
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block_size, 0, 0, 0, 0, 0, scratch,
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EXPECT_STATUS_GOOD);
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CU_ASSERT_EQUAL(ret, 0);
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if (rc16 && rc16->lbprz) {
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logging(LOG_VERBOSE, "LBPRZ==1 All UNMAPPED blocks "
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"should read back as 0");
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if (all_zeroes(scratch, i * block_size) == 0) {
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logging(LOG_NORMAL, "[FAILED] Blocks did not "
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"read back as zero");
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CU_FAIL("[FAILED] Blocks did not read back "
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"as zero");
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} else {
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logging(LOG_VERBOSE, "[SUCCESS] Blocks read "
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"back as zero");
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}
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}
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}
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}
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