114 lines
3.5 KiB
C
114 lines
3.5 KiB
C
/*
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Copyright (C) 2015 David Disseldorp
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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 <arpa/inet.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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#include "iscsi-multipath.h"
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void
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test_prout_preempt_rm_reg(void)
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{
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int ret = 0;
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const unsigned long long k1 = rand_key();
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const unsigned long long k2 = rand_key();
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struct scsi_device *sd2;
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struct scsi_task *tsk;
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uint32_t old_gen;
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int num_uas;
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struct scsi_persistent_reserve_in_read_keys *rk;
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CHECK_FOR_DATALOSS;
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if (sd->iscsi_ctx == NULL) {
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const char *err = "[SKIPPED] This PERSISTENT RESERVE test is "
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"only supported for iSCSI backends";
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logging(LOG_NORMAL, "%s", err);
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CU_PASS(err);
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return;
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}
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logging(LOG_VERBOSE, LOG_BLANK_LINE);
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logging(LOG_VERBOSE, "Test Persistent Reserve IN PREEMPT works.");
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ret = prout_register_and_ignore(sd, k1);
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if (ret == -2) {
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CU_PASS("PERSISTENT RESERVE OUT is not implemented.");
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return;
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}
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CU_ASSERT_EQUAL(ret, 0);
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/* clear all PR state */
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ret = prout_clear(sd, k1);
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CU_ASSERT_EQUAL(ret, 0);
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/* need to reregister cleared key */
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ret = prout_register_and_ignore(sd, k1);
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CU_ASSERT_EQUAL(ret, 0);
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ret = mpath_sd2_get_or_clone(sd, &sd2);
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CU_ASSERT_EQUAL(ret, 0);
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if (ret < 0)
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return;
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/* register secondary key */
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ret = prout_register_and_ignore(sd2, k2);
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CU_ASSERT_EQUAL(ret, 0);
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/* confirm that k1 and k2 are registered */
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ret = prin_read_keys(sd, &tsk, &rk, 16384);
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CU_ASSERT_EQUAL_FATAL(ret, 0);
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CU_ASSERT_EQUAL(rk->num_keys, 2);
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/* retain PR generation number to check for increments */
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old_gen = rk->prgeneration;
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scsi_free_scsi_task(tsk);
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rk = NULL; /* freed with tsk */
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/* use second connection to clear k1 registration */
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ret = prout_preempt(sd2, k1, k2,
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SCSI_PERSISTENT_RESERVE_TYPE_EXCLUSIVE_ACCESS);
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CU_ASSERT_EQUAL(ret, 0);
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/* clear any UAs generated by preempt */
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ret = test_iscsi_tur_until_good(sd, &num_uas);
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CU_ASSERT_EQUAL(ret, 0);
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ret = test_iscsi_tur_until_good(sd2, &num_uas);
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CU_ASSERT_EQUAL(ret, 0);
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ret = prin_read_keys(sd, &tsk, &rk, 16384);
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CU_ASSERT_EQUAL_FATAL(ret, 0);
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CU_ASSERT_EQUAL(rk->num_keys, 1);
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/* ensure preempt bumped generation number */
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CU_ASSERT_EQUAL(rk->prgeneration, old_gen + 1);
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/* ensure k2 is retained */
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CU_ASSERT_EQUAL(rk->keys[0], k2);
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/* unregister k2 */
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ret = prout_register_key(sd2, 0, k2);
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CU_ASSERT_EQUAL(ret, 0);
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}
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