/* Copyright (C) 2013 by Lee Duncan 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 . */ #include #include #include #include "iscsi.h" #include "scsi-lowlevel.h" #include "iscsi-test-cu.h" #include "iscsi-multipath.h" static void verify_persistent_reserve_access(struct scsi_device *sd1, struct scsi_device *sd2, const enum scsi_persistent_out_type pr_type, int reg_i2_can_read, int reg_i2_can_write, int unreg_i2_can_read, int unreg_i2_can_write) { int ret; const unsigned long long key = rand_key(); const unsigned long long key2 = rand_key(); logging(LOG_VERBOSE, LOG_BLANK_LINE); logging(LOG_VERBOSE, "Verify access for reservation type: %s", scsi_pr_type_str(pr_type)); /* send TURs to clear possible check conditions */ (void) testunitready_clear_ua(sd1); (void) testunitready_clear_ua(sd2); /* register our reservation key with the target */ ret = prout_register_and_ignore(sd1, key); if (ret == -2) { CU_PASS("PERSISTENT RESERVE OUT is not implemented."); return; } CU_ASSERT_EQUAL(0, ret); ret = prout_register_and_ignore(sd2, key2); CU_ASSERT_EQUAL(0, ret); /* reserve the target through initiator 1 */ ret = prout_reserve(sd1, key, pr_type); CU_ASSERT_EQUAL(0, ret); /* verify target reservation */ ret = prin_verify_reserved_as(sd1, pr_type_is_all_registrants(pr_type) ? 0 : key, pr_type); CU_ASSERT_EQUAL(0, ret); CU_ASSERT_PTR_NOT_NULL_FATAL(scratch); /* make sure init1 can read */ ret = verify_read_works(sd1, scratch); CU_ASSERT_EQUAL(0, ret); /* make sure init1 can write */ ret = verify_write_works(sd1, scratch); CU_ASSERT_EQUAL(0, ret); /* verify registered init2 read access */ if (reg_i2_can_read) ret = verify_read_works(sd2, scratch); else ret = verify_read_fails(sd2, scratch); CU_ASSERT_EQUAL(0, ret); /* verify registered init2 write access */ if (reg_i2_can_write) ret = verify_write_works(sd2, scratch); else ret = verify_write_fails(sd2, scratch); CU_ASSERT_EQUAL(0, ret); /* unregister init2 */ ret = prout_register_key(sd2, 0, key2); CU_ASSERT_EQUAL(0, ret); /* verify unregistered init2 read access */ if (unreg_i2_can_read) ret = verify_read_works(sd2, scratch); else ret = verify_read_fails(sd2, scratch); CU_ASSERT_EQUAL(0, ret); /* verify unregistered init2 write access */ if (unreg_i2_can_write) ret = verify_write_works(sd2, scratch); else ret = verify_write_fails(sd2, scratch); CU_ASSERT_EQUAL(0, ret); /* release our reservation */ ret = prout_release(sd1, key, pr_type); CU_ASSERT_EQUAL(0, ret); /* remove our key from the target */ ret = prout_register_key(sd1, 0, key); CU_ASSERT_EQUAL(0, ret); } void test_prout_reserve_access_ea(void) { struct scsi_device *sd2; int ret; if (sd->iscsi_ctx == NULL) { const char *err = "[SKIPPED] This PERSISTENT RESERVE test is " "only supported for iSCSI backends"; logging(LOG_NORMAL, "%s", err); CU_PASS(err); return; } ret = mpath_sd2_get_or_clone(sd, &sd2); CU_ASSERT_EQUAL(ret, 0); if (ret < 0) return; verify_persistent_reserve_access(sd, sd2, SCSI_PERSISTENT_RESERVE_TYPE_EXCLUSIVE_ACCESS, 0, 0, 0, 0); mpath_sd2_put(sd2); } void test_prout_reserve_access_we(void) { struct scsi_device *sd2; int ret; if (sd->iscsi_ctx == NULL) { const char *err = "[SKIPPED] This PERSISTENT RESERVE test is " "only supported for iSCSI backends"; logging(LOG_NORMAL, "%s", err); CU_PASS(err); return; } ret = mpath_sd2_get_or_clone(sd, &sd2); CU_ASSERT_EQUAL(ret, 0); if (ret < 0) return; verify_persistent_reserve_access(sd, sd2, SCSI_PERSISTENT_RESERVE_TYPE_WRITE_EXCLUSIVE, 1, 0, 1, 0); mpath_sd2_put(sd2); } void test_prout_reserve_access_earo(void) { struct scsi_device *sd2; int ret; if (sd->iscsi_ctx == NULL) { const char *err = "[SKIPPED] This PERSISTENT RESERVE test is " "only supported for iSCSI backends"; logging(LOG_NORMAL, "%s", err); CU_PASS(err); return; } ret = mpath_sd2_get_or_clone(sd, &sd2); CU_ASSERT_EQUAL(ret, 0); if (ret < 0) return; verify_persistent_reserve_access(sd, sd2, SCSI_PERSISTENT_RESERVE_TYPE_EXCLUSIVE_ACCESS_REGISTRANTS_ONLY, 1, 1, 0, 0); mpath_sd2_put(sd2); } void test_prout_reserve_access_wero(void) { struct scsi_device *sd2; int ret; if (sd->iscsi_ctx == NULL) { const char *err = "[SKIPPED] This PERSISTENT RESERVE test is " "only supported for iSCSI backends"; logging(LOG_NORMAL, "%s", err); CU_PASS(err); return; } ret = mpath_sd2_get_or_clone(sd, &sd2); CU_ASSERT_EQUAL(ret, 0); if (ret < 0) return; verify_persistent_reserve_access(sd, sd2, SCSI_PERSISTENT_RESERVE_TYPE_WRITE_EXCLUSIVE_REGISTRANTS_ONLY, 1, 1, 1, 0); mpath_sd2_put(sd2); } void test_prout_reserve_access_eaar(void) { struct scsi_device *sd2; int ret; if (sd->iscsi_ctx == NULL) { const char *err = "[SKIPPED] This PERSISTENT RESERVE test is " "only supported for iSCSI backends"; logging(LOG_NORMAL, "%s", err); CU_PASS(err); return; } ret = mpath_sd2_get_or_clone(sd, &sd2); CU_ASSERT_EQUAL(ret, 0); if (ret < 0) return; verify_persistent_reserve_access(sd, sd2, SCSI_PERSISTENT_RESERVE_TYPE_EXCLUSIVE_ACCESS_ALL_REGISTRANTS, 1, 1, 0, 0); mpath_sd2_put(sd2); } void test_prout_reserve_access_wear(void) { struct scsi_device *sd2; int ret; if (sd->iscsi_ctx == NULL) { const char *err = "[SKIPPED] This PERSISTENT RESERVE test is " "only supported for iSCSI backends"; logging(LOG_NORMAL, "%s", err); CU_PASS(err); return; } ret = mpath_sd2_get_or_clone(sd, &sd2); CU_ASSERT_EQUAL(ret, 0); if (ret < 0) return; verify_persistent_reserve_access(sd, sd2, SCSI_PERSISTENT_RESERVE_TYPE_WRITE_EXCLUSIVE_ALL_REGISTRANTS, 1, 1, 1, 0); mpath_sd2_put(sd2); }