Added persistent reservation ownership tests.

Created tests for all persistent reservation types that
verifies reservation ownership based on reservation
type.

Makefile.am

@@ -198,6 +198,7 @@ bin_iscsi_test_cu_SOURCES = test-tool/iscsi-test-cu.c \
 	test-tool/test_prout_register_simple.c \
 	test-tool/test_prout_reserve_simple.c \
 	test-tool/test_prout_reserve_access.c \
+	test-tool/test_prout_reserve_ownership.c \
 	test-tool/test_read6_simple.c \
 	test-tool/test_read6_beyond_eol.c \
 	test-tool/test_read6_0blocks.c \

test-tool/iscsi-support.c

@@ -809,6 +809,56 @@ prin_verify_reserved_as(struct iscsi_context *iscsi, int lun,
 	return ret;
 }
 
+int
+prin_verify_not_reserved(struct iscsi_context *iscsi, int lun)
+{
+	struct scsi_task *task;
+	const int buf_sz = 16384;
+	struct scsi_persistent_reserve_in_read_reservation *rr = NULL;
+	int ret = 0;
+
+
+	logging(LOG_VERBOSE,
+	    "Send PRIN/READ_RESERVATION to verify not reserved init=%s",
+	    iscsi->initiator_name);
+
+	task = iscsi_persistent_reserve_in_sync(iscsi, lun,
+	    SCSI_PERSISTENT_RESERVE_READ_RESERVATION, buf_sz);
+	if (task == NULL) {
+		logging(LOG_NORMAL,
+		    "[FAILED] Failed to send PRIN command: %s",
+		    iscsi_get_error(iscsi));
+		return -1;
+	}
+
+	if (task->status != SCSI_STATUS_GOOD) {
+		logging(LOG_NORMAL,
+		    "[FAILED] PRIN command: failed with sense: %s",
+		    iscsi_get_error(iscsi));
+		ret = -1;
+		goto dun;
+	}
+	rr = scsi_datain_unmarshall(task);
+	if (rr == NULL) {
+		logging(LOG_NORMAL,
+		    "[FAILED] Failed to unmarshall PRIN/READ_RESERVATION data: %s",
+		    iscsi_get_error(iscsi));
+		ret = -1;
+		goto dun;
+	}
+	if (rr->reserved) {
+		logging(LOG_NORMAL,
+		    "[FAILED] Failed to find Target not reserved as expected.");
+		ret = -1;
+		goto dun;
+	}
+
+  dun:
+	/* ??? free rr? */
+	scsi_free_scsi_task(task);
+	return ret;
+}
+
 int
 verify_read_works(struct iscsi_context *iscsi, int lun, unsigned char *buf)
 {

test-tool/iscsi-support.h

@@ -192,6 +192,7 @@ int prout_reserve(struct iscsi_context *iscsi, int lun,
     unsigned long long key, enum scsi_persistent_out_type pr_type);
 int prout_release(struct iscsi_context *iscsi, int lun,
     unsigned long long key, enum scsi_persistent_out_type pr_type);
+int prin_verify_not_reserved(struct iscsi_context *iscsi, int lun);
 int prin_verify_reserved_as(struct iscsi_context *iscsi, int lun,
     unsigned long long key, enum scsi_persistent_out_type pr_type);
 int verify_read_works(struct iscsi_context *iscsi, int lun, unsigned char *buf);

test-tool/iscsi-test-cu.c

@@ -103,9 +103,12 @@ static CU_TestInfo tests_prout_register[] = {
 };
 
 static CU_TestInfo tests_prout_reserve[] = {
-	{ (char *)"testProutReserveSimple", test_prout_reserve_simple },
-	{ (char *)"testProutReserveAccessEA", test_prout_reserve_access_ea },
-	{ (char *)"testProutReserveAccessWE", test_prout_reserve_access_we },
+	{ (char *)"testProutReserveSimple",
+	  test_prout_reserve_simple },
+	{ (char *)"testProutReserveAccessEA",
+	  test_prout_reserve_access_ea },
+	{ (char *)"testProutReserveAccessWE",
+	  test_prout_reserve_access_we },
 	{ (char *)"testProutReserveAccessEARO",
 	  test_prout_reserve_access_earo },
 	{ (char *)"testProutReserveAccessWERO",
@@ -114,6 +117,18 @@ static CU_TestInfo tests_prout_reserve[] = {
 	  test_prout_reserve_access_eaar },
 	{ (char *)"testProutReserveAccessWEAR",
 	  test_prout_reserve_access_wear },
+	{ (char *)"testProutReserveOwnershipEA",
+	  test_prout_reserve_ownership_ea },
+	{ (char *)"testProutReserveOwnershipWE",
+	  test_prout_reserve_ownership_we },
+	{ (char *)"testProutReserveOwnershipEARO",
+	  test_prout_reserve_ownership_earo },
+	{ (char *)"testProutReserveOwnershipWERO",
+	  test_prout_reserve_ownership_wero },
+	{ (char *)"testProutReserveOwnershipEAAR",
+	  test_prout_reserve_ownership_eaar },
+	{ (char *)"testProutReserveOwnershipWEAR",
+	  test_prout_reserve_ownership_wear },
 	CU_TEST_INFO_NULL
 };
 

test-tool/iscsi-test-cu.h

@@ -71,6 +71,12 @@ void test_prout_reserve_access_earo(void);
 void test_prout_reserve_access_wero(void);
 void test_prout_reserve_access_eaar(void);
 void test_prout_reserve_access_wear(void);
+void test_prout_reserve_ownership_ea(void);
+void test_prout_reserve_ownership_we(void);
+void test_prout_reserve_ownership_earo(void);
+void test_prout_reserve_ownership_wero(void);
+void test_prout_reserve_ownership_eaar(void);
+void test_prout_reserve_ownership_wear(void);
 
 void test_read6_simple(void);
 void test_read6_beyond_eol(void);

test-tool/test_prout_reserve_ownership.c

@@ -0,0 +1,132 @@
+/* 
+   Copyright (C) 2013 by Lee Duncan <leeman.duncan@gmail.com>
+
+   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-test-cu.h"
+
+
+static void
+verify_persistent_reserve_ownership(struct iscsi_context *iscsi1, int lun1,
+    struct iscsi_context *iscsi2, int lun2,
+    const enum scsi_persistent_out_type pr_type,
+    int resvn_is_shared)
+{
+	int ret;
+	const unsigned long long key1 = rand_key();
+	const unsigned long long key2 = rand_key();
+
+
+	logging(LOG_VERBOSE, LOG_BLANK_LINE);
+	logging(LOG_VERBOSE,
+	    "Verify ownership for reservation type: %s",
+	    scsi_pr_type_str(pr_type));
+
+	/* send TURs to clear possible check conditions */
+	(void) testunitready_clear_ua(iscsi1, lun1);
+	(void) testunitready_clear_ua(iscsi2, lun2);
+
+	/* register our reservation key with the target */
+	ret = prout_register_and_ignore(iscsi1, lun1, key1);
+	CU_ASSERT_EQUAL(0, ret);
+	ret = prout_register_and_ignore(iscsi2, lun2, key2);
+	CU_ASSERT_EQUAL(0, ret);
+
+	/* reserve the target through initiator 1 */
+	ret = prout_reserve(iscsi1, lun1, key1, pr_type);
+	CU_ASSERT_EQUAL(0, ret);
+
+	/* verify target reservation */
+	ret = prin_verify_reserved_as(iscsi1, lun1,
+	    pr_type_is_all_registrants(pr_type) ? 0 : key1,
+	    pr_type);
+	CU_ASSERT_EQUAL(0, ret);
+
+	/* unregister init1 */
+	ret = prout_register_key(iscsi1, lun1, 0, key1);
+	CU_ASSERT_EQUAL(0, ret);
+
+	/* verify if reservation is still present */
+	if (resvn_is_shared) {
+		/* verify target reservation */
+		ret = prin_verify_reserved_as(iscsi1, lun1,
+		    pr_type_is_all_registrants(pr_type) ? 0 : key1,
+		    pr_type);
+		CU_ASSERT_EQUAL(0, ret);
+
+		/* release our reservation */
+		ret = prout_release(iscsi2, lun2, key2, pr_type);
+		CU_ASSERT_EQUAL(0, ret);
+	} else {
+		/* verify target is not reserved now */
+		ret = prin_verify_not_reserved(iscsi1, lun1);
+		CU_ASSERT_EQUAL(0, ret);
+
+		/* send TUR to clear possible check condition */
+		(void) testunitready_clear_ua(iscsi2, lun2);
+	}
+
+	/* remove our remaining key from the target */
+	ret = prout_register_key(iscsi2, lun2, 0, key2);
+	CU_ASSERT_EQUAL(0, ret);
+}
+
+void
+test_prout_reserve_ownership_ea(void)
+{
+	verify_persistent_reserve_ownership(iscsic, tgt_lun, iscsic2, tgt_lun2,
+	    SCSI_PERSISTENT_RESERVE_TYPE_EXCLUSIVE_ACCESS, 0);
+}
+
+void
+test_prout_reserve_ownership_we(void)
+{
+	verify_persistent_reserve_ownership(iscsic, tgt_lun, iscsic2, tgt_lun2,
+	    SCSI_PERSISTENT_RESERVE_TYPE_WRITE_EXCLUSIVE, 0);
+}
+
+void
+test_prout_reserve_ownership_earo(void)
+{
+	verify_persistent_reserve_ownership(iscsic, tgt_lun, iscsic2, tgt_lun2,
+	    SCSI_PERSISTENT_RESERVE_TYPE_EXCLUSIVE_ACCESS_REGISTRANTS_ONLY, 0);
+}
+
+void
+test_prout_reserve_ownership_wero(void)
+{
+	verify_persistent_reserve_ownership(iscsic, tgt_lun, iscsic2, tgt_lun2,
+	    SCSI_PERSISTENT_RESERVE_TYPE_WRITE_EXCLUSIVE_REGISTRANTS_ONLY, 0);
+}
+
+void
+test_prout_reserve_ownership_eaar(void)
+{
+	verify_persistent_reserve_ownership(iscsic, tgt_lun, iscsic2, tgt_lun2,
+	    SCSI_PERSISTENT_RESERVE_TYPE_EXCLUSIVE_ACCESS_ALL_REGISTRANTS, 1);
+}
+
+void
+test_prout_reserve_ownership_wear(void)
+{
+	verify_persistent_reserve_ownership(iscsic, tgt_lun, iscsic2, tgt_lun2,
+	    SCSI_PERSISTENT_RESERVE_TYPE_WRITE_EXCLUSIVE_ALL_REGISTRANTS, 1);
+}