263 lines
7.8 KiB
C
263 lines
7.8 KiB
C
/*
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Copyright (C) 2013 by Lee Duncan <leeman.duncan@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 <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-test-cu.h"
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#include "iscsi-multipath.h"
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static void
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verify_persistent_reserve_access(struct scsi_device *sd1, struct scsi_device *sd2,
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const enum scsi_persistent_out_type pr_type,
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int reg_i2_can_read,
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int reg_i2_can_write,
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int unreg_i2_can_read,
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int unreg_i2_can_write)
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{
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int ret;
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const unsigned long long key = rand_key();
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const unsigned long long key2 = rand_key();
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logging(LOG_VERBOSE, LOG_BLANK_LINE);
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logging(LOG_VERBOSE,
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"Verify access for reservation type: %s",
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scsi_pr_type_str(pr_type));
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/* send TURs to clear possible check conditions */
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(void) testunitready_clear_ua(sd1);
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(void) testunitready_clear_ua(sd2);
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/* register our reservation key with the target */
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ret = prout_register_and_ignore(sd1, key);
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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(0, ret);
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ret = prout_register_and_ignore(sd2, key2);
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CU_ASSERT_EQUAL(0, ret);
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/* reserve the target through initiator 1 */
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ret = prout_reserve(sd1, key, pr_type);
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CU_ASSERT_EQUAL(0, ret);
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/* verify target reservation */
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ret = prin_verify_reserved_as(sd1,
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pr_type_is_all_registrants(pr_type) ? 0 : key,
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pr_type);
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CU_ASSERT_EQUAL(0, ret);
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CU_ASSERT_PTR_NOT_NULL_FATAL(scratch);
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/* make sure init1 can read */
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ret = verify_read_works(sd1, scratch);
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CU_ASSERT_EQUAL(0, ret);
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/* make sure init1 can write */
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ret = verify_write_works(sd1, scratch);
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CU_ASSERT_EQUAL(0, ret);
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/* verify registered init2 read access */
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if (reg_i2_can_read)
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ret = verify_read_works(sd2, scratch);
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else
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ret = verify_read_fails(sd2, scratch);
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CU_ASSERT_EQUAL(0, ret);
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/* verify registered init2 write access */
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if (reg_i2_can_write)
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ret = verify_write_works(sd2, scratch);
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else
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ret = verify_write_fails(sd2, scratch);
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CU_ASSERT_EQUAL(0, ret);
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/* unregister init2 */
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ret = prout_register_key(sd2, 0, key2);
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CU_ASSERT_EQUAL(0, ret);
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/* verify unregistered init2 read access */
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if (unreg_i2_can_read)
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ret = verify_read_works(sd2, scratch);
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else
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ret = verify_read_fails(sd2, scratch);
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CU_ASSERT_EQUAL(0, ret);
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/* verify unregistered init2 write access */
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if (unreg_i2_can_write)
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ret = verify_write_works(sd2, scratch);
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else
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ret = verify_write_fails(sd2, scratch);
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CU_ASSERT_EQUAL(0, ret);
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/* release our reservation */
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ret = prout_release(sd1, key, pr_type);
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CU_ASSERT_EQUAL(0, ret);
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/* remove our key from the target */
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ret = prout_register_key(sd1, 0, key);
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CU_ASSERT_EQUAL(0, ret);
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}
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void
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test_prout_reserve_access_ea(void)
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{
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struct scsi_device *sd2;
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int ret;
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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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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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verify_persistent_reserve_access(sd, sd2,
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SCSI_PERSISTENT_RESERVE_TYPE_EXCLUSIVE_ACCESS,
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0, 0, 0, 0);
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mpath_sd2_put(sd2);
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}
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void
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test_prout_reserve_access_we(void)
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{
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struct scsi_device *sd2;
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int ret;
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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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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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verify_persistent_reserve_access(sd, sd2,
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SCSI_PERSISTENT_RESERVE_TYPE_WRITE_EXCLUSIVE,
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1, 0, 1, 0);
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mpath_sd2_put(sd2);
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}
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void
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test_prout_reserve_access_earo(void)
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{
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struct scsi_device *sd2;
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int ret;
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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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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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verify_persistent_reserve_access(sd, sd2,
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SCSI_PERSISTENT_RESERVE_TYPE_EXCLUSIVE_ACCESS_REGISTRANTS_ONLY,
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1, 1, 0, 0);
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mpath_sd2_put(sd2);
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}
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void
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test_prout_reserve_access_wero(void)
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{
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struct scsi_device *sd2;
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int ret;
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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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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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verify_persistent_reserve_access(sd, sd2,
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SCSI_PERSISTENT_RESERVE_TYPE_WRITE_EXCLUSIVE_REGISTRANTS_ONLY,
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1, 1, 1, 0);
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mpath_sd2_put(sd2);
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}
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void
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test_prout_reserve_access_eaar(void)
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{
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struct scsi_device *sd2;
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int ret;
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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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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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verify_persistent_reserve_access(sd, sd2,
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SCSI_PERSISTENT_RESERVE_TYPE_EXCLUSIVE_ACCESS_ALL_REGISTRANTS,
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1, 1, 0, 0);
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mpath_sd2_put(sd2);
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}
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void
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test_prout_reserve_access_wear(void)
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{
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struct scsi_device *sd2;
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int ret;
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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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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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verify_persistent_reserve_access(sd, sd2,
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SCSI_PERSISTENT_RESERVE_TYPE_WRITE_EXCLUSIVE_ALL_REGISTRANTS,
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1, 1, 1, 0);
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mpath_sd2_put(sd2);
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}
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