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test/pr: simple PR Out CLEAR test

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Check that a Persistent Reserve Out CLEAR request:
- clears an existing reservation
- clears existing registration keys
- bumps the PRgeneration number

Signed-off-by: David Disseldorp <ddiss@suse.de>
This commit is contained in:
David Disseldorp
2015-09-18 18:00:51 +02:00
parent a90e5a3d4c
commit 5c0b1b9913
4 changed files with 97 additions and 0 deletions
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87
test-tool/test_prout_clear_simple.c Normal file
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/*
Copyright (C) 2015 David Disseldorp
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 <arpa/inet.h>
#include <CUnit/CUnit.h>
#include "iscsi.h"
#include "scsi-lowlevel.h"
#include "iscsi-support.h"
#include "iscsi-test-cu.h"
void
test_prout_clear_simple(void)
{
int ret = 0;
uint32_t old_gen;
const unsigned long long key = rand_key();
struct scsi_task *tsk;
struct scsi_persistent_reserve_in_read_keys *rk;
CHECK_FOR_DATALOSS;
logging(LOG_VERBOSE, LOG_BLANK_LINE);
logging(LOG_VERBOSE, "Test Persistent Reserve OUT CLEAR works.");
/* register our reservation key with the target */
ret = prout_register_and_ignore(sd, key);
if (ret == -2) {
logging(LOG_NORMAL, "[SKIPPED] PERSISTENT RESERVE OUT is not implemented.");
CU_PASS("PERSISTENT RESERVE OUT is not implemented.");
return;
}
CU_ASSERT_EQUAL(ret, 0);
ret = prin_read_keys(sd, &tsk, &rk);
CU_ASSERT_EQUAL(ret, 0);
CU_ASSERT_NOT_EQUAL(rk->num_keys, 0);
/* retain PR generation number to check for increments */
old_gen = rk->prgeneration;
scsi_free_scsi_task(tsk);
rk = NULL; /* freed with tsk */
/* reserve the target */
ret = prout_reserve(sd, key,
SCSI_PERSISTENT_RESERVE_TYPE_EXCLUSIVE_ACCESS);
CU_ASSERT_EQUAL(ret, 0);
/* verify target reservation */
ret = prin_verify_reserved_as(sd, key,
SCSI_PERSISTENT_RESERVE_TYPE_EXCLUSIVE_ACCESS);
CU_ASSERT_EQUAL(ret, 0);
/* clear reservation and registration */
ret = prout_clear(sd, key);
CU_ASSERT_EQUAL(ret, 0);
ret = prin_verify_not_reserved(sd);
CU_ASSERT_EQUAL(ret, 0);
ret = prin_read_keys(sd, &tsk, &rk);
CU_ASSERT_EQUAL(ret, 0);
CU_ASSERT_EQUAL(rk->num_keys, 0);
/* generation incremented once for CLEAR (not for RESERVE) */
CU_ASSERT_EQUAL(rk->prgeneration, old_gen + 1);
scsi_free_scsi_task(tsk);
rk = NULL; /* freed with tsk */
}