void
test_prout_reserve_simple(void)
{
int ret = 0;
int i;
const unsigned long long key = rand_key();
logging(LOG_VERBOSE, LOG_BLANK_LINE);
logging(LOG_VERBOSE, "Test Persistent Reserve IN RESERVE works.");
/* register our reservation key with the target */
ret = prout_register_and_ignore(sd, key);
if (ret == -2) {
CU_PASS("PERSISTENT RESERVE OUT is not implemented.");
return;
}
CU_ASSERT_EQUAL(ret, 0);
/* test each reservatoin type */
for (i = 0; pr_types_to_test[i] != 0; i++) {
enum scsi_persistent_out_type pr_type = pr_types_to_test[i];
/* reserve the target */
ret = prout_reserve(sd, key, pr_type);
CU_ASSERT_EQUAL(ret, 0);
/* verify target reservation */
ret = prin_verify_reserved_as(sd,
pr_type_is_all_registrants(pr_type) ? 0 : key,
pr_type);
CU_ASSERT_EQUAL(ret, 0);
/* release our reservation */
ret = prout_release(sd, key, pr_type);
CU_ASSERT_EQUAL(ret, 0);
}
/* remove our key from the target */
ret = prout_register_key(sd, 0, key);
CU_ASSERT_EQUAL(ret, 0);
}
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);
}
static void
verify_persistent_reserve_ownership(struct scsi_device *sd1, struct scsi_device *sd2,
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(sd1);
(void) testunitready_clear_ua(sd2);
/* register our reservation key with the target */
ret = prout_register_and_ignore(sd1, key1);
if (ret == -2) {
logging(LOG_NORMAL, "[SKIPPED] PERSISTEN RESERVE OUT is not implemented.");
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, key1, pr_type);
CU_ASSERT_EQUAL(0, ret);
/* verify target reservation */
ret = prin_verify_reserved_as(sd1,
pr_type_is_all_registrants(pr_type) ? 0 : key1,
pr_type);
CU_ASSERT_EQUAL(0, ret);
/* unregister init1 */
ret = prout_register_key(sd1, 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(sd1,
pr_type_is_all_registrants(pr_type) ? 0 : key1,
pr_type);
CU_ASSERT_EQUAL(0, ret);
/* release our reservation */
ret = prout_release(sd2, key2, pr_type);
CU_ASSERT_EQUAL(0, ret);
} else {
/* verify target is not reserved now */
ret = prin_verify_not_reserved(sd1);
CU_ASSERT_EQUAL(0, ret);
/* send TUR to clear possible check condition */
(void) testunitready_clear_ua(sd2);
}
/* remove our remaining key from the target */
ret = prout_register_key(sd2, 0, key2);
CU_ASSERT_EQUAL(0, ret);
}
void
test_prin_report_caps_simple(void)
{
int ret = 0;
const unsigned long long key = rand_key();
struct scsi_task *tsk;
struct scsi_persistent_reserve_in_report_capabilities *rcaps;
struct test_prin_report_caps_types *type;
CHECK_FOR_DATALOSS;
logging(LOG_VERBOSE, LOG_BLANK_LINE);
logging(LOG_VERBOSE,
"Test Persistent Reserve In REPORT CAPABILITIES 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_report_caps(sd, &tsk, &rcaps);
CU_ASSERT_EQUAL(ret, 0);
logging(LOG_VERBOSE,
"Checking PERSISTENT RESERVE IN REPORT CAPABILITIES fields.");
CU_ASSERT_EQUAL(rcaps->length, 8);
CU_ASSERT_TRUE(rcaps->allow_commands <= 5);
CU_ASSERT_EQUAL(rcaps->persistent_reservation_type_mask
& ~SCSI_PR_TYPE_MASK_ALL, 0);
for (type = &report_caps_types_array[0]; type->mask != 0; type++) {
if (!(rcaps->persistent_reservation_type_mask & type->mask)) {
logging(LOG_NORMAL,
"PERSISTENT RESERVE op 0x%x not supported",
type->op);
continue;
}
logging(LOG_VERBOSE,
"PERSISTENT RESERVE OUT op 0x%x supported, testing",
type->op);
/* reserve the target */
ret = prout_reserve(sd, key, type->op);
CU_ASSERT_EQUAL(ret, 0);
/* verify target reservation */
ret = prin_verify_reserved_as(sd,
pr_type_is_all_registrants(type->op) ? 0 : key,
type->op);
CU_ASSERT_EQUAL(0, ret);
/* release the target */
ret = prout_release(sd, key, type->op);
CU_ASSERT_EQUAL(ret, 0);
}
scsi_free_scsi_task(tsk);
rcaps = NULL; /* freed with tsk */
/* drop registration */
ret = prout_register_key(sd, 0, key);
CU_ASSERT_EQUAL(ret, 0);
}
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 = NULL;
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) {
CU_PASS("PERSISTENT RESERVE OUT is not implemented.");
return;
}
CU_ASSERT_EQUAL(ret, 0);
ret = prin_read_keys(sd, &tsk, &rk, 16384);
CU_ASSERT_EQUAL(ret, 0);
CU_ASSERT_NOT_EQUAL(rk, NULL);
if (!rk)
goto out;
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, 16384);
CU_ASSERT_EQUAL(ret, 0);
CU_ASSERT_NOT_EQUAL(rk, NULL);
if (!rk)
goto out;
CU_ASSERT_EQUAL(rk->num_keys, 0);
/* generation incremented once for CLEAR (not for RESERVE) */
CU_ASSERT_EQUAL(rk->prgeneration, old_gen + 1);
out:
scsi_free_scsi_task(tsk);
rk = NULL; /* freed with tsk */
}
