Added new 1130* test file for PGR simple reserve testing.

Added infrastructure to support reading, setting, and
clearing reservations.
This commit is contained in:
Lee Duncan
2012-12-22 13:50:55 -08:00
parent cc4969d167
commit 474cec5556
8 changed files with 525 additions and 207 deletions

1
.gitignore vendored
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@@ -24,3 +24,4 @@ bin
/libtool
/ltmain.sh
libiscsi-*.tar.gz
TAGS

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@@ -153,7 +153,8 @@ bin_iscsi_test_SOURCES = test-tool/iscsi-test.c \
test-tool/1042_unsolicited_nonimmediate_data.c \
test-tool/1100_persistent_reserve_in_read_keys_simple.c \
test-tool/1110_persistent_reserve_in_serviceaction_range.c \
test-tool/1120_persistent_register_simple.c
test-tool/1120_persistent_register_simple.c \
test-tool/1130_persistent_reserve_simple.c
endif

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@@ -725,6 +725,11 @@ struct scsi_persistent_reserve_in_read_keys {
struct scsi_persistent_reserve_in_read_reservation {
uint32_t prgeneration;
uint32_t additional_length;
int reserved;
uint64_t reservation_key;
unsigned char pr_type;
};
struct scsi_persistent_reserve_in_report_capabilities {

View File

@@ -666,15 +666,30 @@ scsi_persistentreservein_datain_unmarshall(struct scsi_task *task)
rk->keys[i] = scsi_get_uint64(&task->datain.data[8 + i * 8]);
}
return rk;
case SCSI_PERSISTENT_RESERVE_READ_RESERVATION:
rr = scsi_malloc(task, sizeof(struct scsi_persistent_reserve_in_read_reservation));
case SCSI_PERSISTENT_RESERVE_READ_RESERVATION: {
size_t alloc_sz;
i = scsi_get_uint32(&task->datain.data[4]);
alloc_sz = offsetof(
struct scsi_persistent_reserve_in_read_reservation,
reserved) + i;
rr = scsi_malloc(task, alloc_sz);
if (rr == NULL) {
return NULL;
}
rr->prgeneration = scsi_get_uint32(&task->datain.data[0]);
rr->additional_length = scsi_get_uint32(&task->datain.data[4]);
memset(rr, 0, alloc_sz);
rr->prgeneration = scsi_get_uint32(&task->datain.data[0]);
if (i > 0) {
rr->reserved = 1;
rr->reservation_key =
scsi_get_uint64(&task->datain.data[8]);
rr->pr_type = task->datain.data[21] & 0xff;
}
return rr;
}
case SCSI_PERSISTENT_RESERVE_REPORT_CAPABILITIES:
rc = scsi_malloc(task, sizeof(struct scsi_persistent_reserve_in_report_capabilities));
if (rc == NULL) {

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@@ -18,215 +18,15 @@
#include <stdio.h>
#include <arpa/inet.h>
#include <string.h>
#include <time.h>
#include <sys/types.h>
#include <unistd.h>
#include <stdlib.h>
#include "iscsi.h"
#include "scsi-lowlevel.h"
#include "iscsi-test.h"
static inline long rand_key(void)
{
time_t t;
pid_t p;
unsigned int s;
long l;
(void)time(&t);
p = getpid();
s = ((int)p * (t & 0xffff));
srandom(s);
l = random();
return l;
}
int register_and_ignore(struct iscsi_context *iscsi, int lun,
unsigned long long sark)
{
struct scsi_persistent_reserve_out_basic poc;
struct scsi_task *task;
/* register our reservation key with the target */
printf("Send PROUT/REGISTER_AND_IGNORE to register ... ");
memset(&poc, 0, sizeof (poc));
poc.service_action_reservation_key = sark;
task = iscsi_persistent_reserve_out_sync(iscsi, lun,
SCSI_PERSISTENT_RESERVE_REGISTER_AND_IGNORE_EXISTING_KEY,
SCSI_PERSISTENT_RESERVE_SCOPE_LU, 0, &poc);
if (task == NULL) {
printf("[FAILED]\n");
printf("Failed to send PERSISTENT_RESERVE_OUT command: %s\n",
iscsi_get_error(iscsi));
return -1;
}
if (task->status == SCSI_STATUS_CHECK_CONDITION &&
task->sense.key == SCSI_SENSE_ILLEGAL_REQUEST &&
task->sense.ascq == SCSI_SENSE_ASCQ_INVALID_OPERATION_CODE) {
printf("[SKIPPED]\n");
printf("PERSISTENT_RESERVE_OUT Not Supported\n");
scsi_free_scsi_task(task);
return -2;
}
if (task->status != SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("PERSISTENT_RESERVE_OUT command: failed with sense. %s\n",
iscsi_get_error(iscsi));
scsi_free_scsi_task(task);
return -1;
}
scsi_free_scsi_task(task);
printf("[OK]\n");
return 0;
}
int register_key(struct iscsi_context *iscsi, int lun,
unsigned long long sark, unsigned long long rk)
{
struct scsi_persistent_reserve_out_basic poc;
struct scsi_task *task;
/* register our reservation key with the target */
printf("Send PROUT/REGISTER to register ... ");
memset(&poc, 0, sizeof (poc));
poc.service_action_reservation_key = sark;
poc.reservation_key = rk;
task = iscsi_persistent_reserve_out_sync(iscsi, lun,
SCSI_PERSISTENT_RESERVE_REGISTER,
SCSI_PERSISTENT_RESERVE_SCOPE_LU, 0, &poc);
if (task == NULL) {
printf("[FAILED]\n");
printf("Failed to send PERSISTENT_RESERVE_OUT command: %s\n",
iscsi_get_error(iscsi));
return -1;
}
if (task->status != SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("PERSISTENT_RESERVE_OUT command: failed with sense. %s\n",
iscsi_get_error(iscsi));
scsi_free_scsi_task(task);
return -1;
}
scsi_free_scsi_task(task);
printf("[OK]\n");
return 0;
}
static int verify_key_presence(struct iscsi_context *iscsi, int lun,
unsigned long long key, int present)
{
struct scsi_task *task;
const int buf_sz = 16384;
int i;
int key_found;
struct scsi_persistent_reserve_in_read_keys *rk = NULL;
printf("Send PRIN/READ_KEYS to verify key %s ... ",
present ? "present" : "absent");
task = iscsi_persistent_reserve_in_sync(iscsi, lun,
SCSI_PERSISTENT_RESERVE_READ_KEYS, buf_sz);
if (task == NULL) {
printf("[FAILED]\n");
printf("Failed to send PERSISTENT_RESERVE_IN command: %s\n",
iscsi_get_error(iscsi));
return -1;
}
if (task->status != SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("PERSISTENT_RESERVE_IN command: failed with sense. %s\n",
iscsi_get_error(iscsi));
scsi_free_scsi_task(task);
return -1;
}
rk = scsi_datain_unmarshall(task);
if (rk == NULL) {
printf("failed to unmarshall PERSISTENT_RESERVE_IN/READ_KEYS data. %s\n",
iscsi_get_error(iscsi));
scsi_free_scsi_task(task);
return -1;
}
scsi_free_scsi_task(task);
key_found = 0;
for (i = 0; i < rk->num_keys; i++) {
if (rk->keys[i] == key) {
key_found = 1;
}
}
if ((present && key_found) ||
(!present && !key_found)) {
printf("[OK]\n");
return 0;
} else {
printf("[FAILED]\n");
if (present) {
printf("Key found when none expected\n");
} else {
printf("Key not found when expected\n");
}
return -1;
}
}
int reregister_fails(struct iscsi_context *iscsi, int lun,
unsigned long long sark)
{
struct scsi_persistent_reserve_out_basic poc;
struct scsi_task *task;
printf("Send PROUT/REGISTER to ensure reregister fails ... ");
memset(&poc, 0, sizeof (poc));
poc.service_action_reservation_key = sark;
task = iscsi_persistent_reserve_out_sync(iscsi, lun,
SCSI_PERSISTENT_RESERVE_REGISTER,
SCSI_PERSISTENT_RESERVE_SCOPE_LU,
SCSI_PERSISTENT_RESERVE_TYPE_WRITE_EXCLUSIVE,
&poc);
if (task == NULL) {
printf("[FAILED]\n");
printf("Failed to send PERSISTENT_RESERVE_OUT command: %s\n",
iscsi_get_error(iscsi));
return -1;
}
if (task->status != SCSI_STATUS_CHECK_CONDITION ||
task->sense.key != SCSI_SENSE_ILLEGAL_REQUEST ||
task->sense.ascq != SCSI_SENSE_ASCQ_INVALID_OPERATION_CODE) {
printf("[FAILED]\n");
printf("PRIN/REGISTER when already registered should fail\n");
scsi_free_scsi_task(task);
return -1;
}
if (task->status == SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("PROUT/REGISTER command: succeeded when it should not have!\n");
scsi_free_scsi_task(task);
return -1;
}
scsi_free_scsi_task(task);
printf("[OK]\n");
return 0;
}
int T1120_persistent_register_simple(const char *initiator, const char *url,
int data_loss _U_, int show_info)
int data_loss, int show_info)
{
struct iscsi_context *iscsi;
int ret, lun;
@@ -273,7 +73,7 @@ int T1120_persistent_register_simple(const char *initiator, const char *url,
}
/* try to reregister, which should fail */
ret = reregister_fails(iscsi, lun, key+1);
ret = reregister_key_fails(iscsi, lun, key+1);
if (ret != 0) {
goto finished;
}

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@@ -0,0 +1,122 @@
/*
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 <string.h>
#include "iscsi.h"
#include "scsi-lowlevel.h"
#include "iscsi-test.h"
struct resvn_test_info {
const char *resvn_str;
enum scsi_persistent_out_type resvn_type;
};
static struct resvn_test_info rti[] = {
{"Write Exclusive",
SCSI_PERSISTENT_RESERVE_TYPE_WRITE_EXCLUSIVE},
{"Exclusive Access",
SCSI_PERSISTENT_RESERVE_TYPE_EXCLUSIVE_ACCESS},
{"Write Exclusive, Registrants Only",
SCSI_PERSISTENT_RESERVE_TYPE_WRITE_EXCLUSIVE_REGISTRANTS_ONLY},
{"Exclusive Access, Registrants Only",
SCSI_PERSISTENT_RESERVE_TYPE_EXCLUSIVE_ACCESS_REGISTRANTS_ONLY},
{"Write Exclusive, All Registrants",
SCSI_PERSISTENT_RESERVE_TYPE_WRITE_EXCLUSIVE_ALL_REGISTRANTS},
{"Exclusive Access, All Registrants",
SCSI_PERSISTENT_RESERVE_TYPE_EXCLUSIVE_ACCESS_ALL_REGISTRANTS},
{NULL, 0}
};
int T1130_persistent_reserve_simple(const char *initiator,
const char *url, int data_loss, int show_info)
{
struct iscsi_context *iscsi;
int ret;
int lun;
const unsigned long long key = rand_key();
struct resvn_test_info *rtip;
printf("1130_persistent_reserve_simple:\n");
printf("=========================================\n");
if (show_info) {
int idx = 1;
printf("Test that we can using each type of Persistent Reservation,\n");
printf(" and that we can release each type, as well\n");
printf("%d, We can register a key\n", idx++);
for (rtip = rti; rtip->resvn_str != NULL; rtip++) {
printf("%d, Can register %s\n", idx++, rtip->resvn_str);
printf("%d, Can read reservation\n", idx++);
printf("%d, Can release reservation\n", idx++);
}
printf("%d, Can unregister\n", idx++);
return 0;
}
iscsi = iscsi_context_login(initiator, url, &lun);
if (iscsi == NULL) {
printf("Failed to login to target\n");
return -1;
}
if (!data_loss) {
printf("--dataloss flag is not set. Skipping test\n");
ret = -2;
goto finished;
}
ret = 0;
/* register our reservation key with the target */
ret = register_and_ignore(iscsi, lun, key);
if (ret != 0)
goto finished;
/* test each reservatoin type */
for (rtip = rti; rtip->resvn_str != NULL; rtip++) {
/* reserve the target */
ret = reserve(iscsi, lun, key, rtip->resvn_type);
if (ret != 0)
goto finished;
/* verify target reservation */
ret = verify_reserved_as(iscsi, lun,
pr_type_is_all_registrants(rtip->resvn_type) ? 0 : key,
rtip->resvn_type);
/* release our reservation */
ret = release(iscsi, lun, key, rtip->resvn_type);
if (ret != 0)
goto finished;
}
/* remove our key from the target */
ret = register_key(iscsi, lun, 0, key);
if (ret != 0)
goto finished;
finished:
/* XXX should we clean up key if needed? */
iscsi_logout_sync(iscsi);
iscsi_destroy_context(iscsi);
return ret;
}

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@@ -257,6 +257,7 @@ struct scsi_test tests[] = {
{ "T1100_persistent_reserve_in_read_keys_simple", T1100_persistent_reserve_in_read_keys_simple },
{ "T1110_persistent_reserve_in_serviceaction_range", T1110_persistent_reserve_in_serviceaction_range },
{ "T1120_persistent_register_simple", T1120_persistent_register_simple },
{ "T1130_persistent_reserve_simple", T1130_persistent_reserve_simple },
{ NULL, NULL }
};
@@ -388,6 +389,320 @@ int iscsi_queue_pdu(struct iscsi_context *iscsi, struct iscsi_pdu *pdu)
return real_iscsi_queue_pdu(iscsi, pdu);
}
int register_and_ignore(struct iscsi_context *iscsi, int lun,
unsigned long long sark)
{
struct scsi_persistent_reserve_out_basic poc;
struct scsi_task *task;
/* register our reservation key with the target */
printf("Send PROUT/REGISTER_AND_IGNORE to register ... ");
memset(&poc, 0, sizeof (poc));
poc.service_action_reservation_key = sark;
task = iscsi_persistent_reserve_out_sync(iscsi, lun,
SCSI_PERSISTENT_RESERVE_REGISTER_AND_IGNORE_EXISTING_KEY,
SCSI_PERSISTENT_RESERVE_SCOPE_LU, 0, &poc);
if (task == NULL) {
printf("[FAILED]\n");
printf("Failed to send PROUT command: %s\n",
iscsi_get_error(iscsi));
return -1;
}
if (task->status == SCSI_STATUS_CHECK_CONDITION &&
task->sense.key == SCSI_SENSE_ILLEGAL_REQUEST &&
task->sense.ascq == SCSI_SENSE_ASCQ_INVALID_OPERATION_CODE) {
printf("[SKIPPED]\n");
printf("PROUT Not Supported\n");
scsi_free_scsi_task(task);
return -2;
}
if (task->status != SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("PROUT command: failed with sense. %s\n",
iscsi_get_error(iscsi));
scsi_free_scsi_task(task);
return -1;
}
scsi_free_scsi_task(task);
printf("[OK]\n");
return 0;
}
int register_key(struct iscsi_context *iscsi, int lun,
unsigned long long sark, unsigned long long rk)
{
struct scsi_persistent_reserve_out_basic poc;
struct scsi_task *task;
/* register our reservation key with the target */
printf("Send PROUT/REGISTER to register ... ");
memset(&poc, 0, sizeof (poc));
poc.service_action_reservation_key = sark;
poc.reservation_key = rk;
task = iscsi_persistent_reserve_out_sync(iscsi, lun,
SCSI_PERSISTENT_RESERVE_REGISTER,
SCSI_PERSISTENT_RESERVE_SCOPE_LU, 0, &poc);
if (task == NULL) {
printf("[FAILED]\n");
printf("Failed to send PROUT command: %s\n",
iscsi_get_error(iscsi));
return -1;
}
if (task->status != SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("PROUT command: failed with sense. %s\n",
iscsi_get_error(iscsi));
scsi_free_scsi_task(task);
return -1;
}
scsi_free_scsi_task(task);
printf("[OK]\n");
return 0;
}
int verify_key_presence(struct iscsi_context *iscsi, int lun,
unsigned long long key, int present)
{
struct scsi_task *task;
const int buf_sz = 16384;
int i;
int key_found;
struct scsi_persistent_reserve_in_read_keys *rk = NULL;
printf("Send PRIN/READ_KEYS to verify key %s ... ",
present ? "present" : "absent");
task = iscsi_persistent_reserve_in_sync(iscsi, lun,
SCSI_PERSISTENT_RESERVE_READ_KEYS, buf_sz);
if (task == NULL) {
printf("[FAILED]\n");
printf("Failed to send PRIN command: %s\n",
iscsi_get_error(iscsi));
return -1;
}
if (task->status != SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("PRIN command: failed with sense. %s\n",
iscsi_get_error(iscsi));
scsi_free_scsi_task(task);
return -1;
}
rk = scsi_datain_unmarshall(task);
if (rk == NULL) {
printf("failed to unmarshall PRIN/READ_KEYS data. %s\n",
iscsi_get_error(iscsi));
scsi_free_scsi_task(task);
return -1;
}
scsi_free_scsi_task(task);
key_found = 0;
for (i = 0; i < rk->num_keys; i++) {
if (rk->keys[i] == key)
key_found = 1;
}
if ((present && key_found) ||
(!present && !key_found)) {
printf("[OK]\n");
return 0;
} else {
printf("[FAILED]\n");
if (present)
printf("Key found when none expected\n");
else
printf("Key not found when expected\n");
return -1;
}
}
int reregister_key_fails(struct iscsi_context *iscsi, int lun,
unsigned long long sark)
{
struct scsi_persistent_reserve_out_basic poc;
struct scsi_task *task;
printf("Send PROUT/REGISTER to ensure reregister fails ... ");
memset(&poc, 0, sizeof (poc));
poc.service_action_reservation_key = sark;
task = iscsi_persistent_reserve_out_sync(iscsi, lun,
SCSI_PERSISTENT_RESERVE_REGISTER,
SCSI_PERSISTENT_RESERVE_SCOPE_LU,
SCSI_PERSISTENT_RESERVE_TYPE_WRITE_EXCLUSIVE,
&poc);
if (task == NULL) {
printf("[FAILED]\n");
printf("Failed to send PROUT command: %s\n",
iscsi_get_error(iscsi));
return -1;
}
if (task->status != SCSI_STATUS_CHECK_CONDITION ||
task->sense.key != SCSI_SENSE_ILLEGAL_REQUEST ||
task->sense.ascq != SCSI_SENSE_ASCQ_INVALID_OPERATION_CODE) {
printf("[FAILED]\n");
printf("PROUT/REGISTER when already registered should fail\n");
scsi_free_scsi_task(task);
return -1;
}
if (task->status == SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("PROUT/REGISTER command: succeeded when it should not have!\n");
scsi_free_scsi_task(task);
return -1;
}
scsi_free_scsi_task(task);
printf("[OK]\n");
return 0;
}
int reserve(struct iscsi_context *iscsi, int lun,
unsigned long long key, enum scsi_persistent_out_type pr_type)
{
struct scsi_persistent_reserve_out_basic poc;
struct scsi_task *task;
/* reserve the target using specified reservation type */
printf("Send PROUT/RESERVE to reserve, type=%d ... ", pr_type);
memset(&poc, 0, sizeof (poc));
poc.reservation_key = key;
task = iscsi_persistent_reserve_out_sync(iscsi, lun,
SCSI_PERSISTENT_RESERVE_RESERVE,
SCSI_PERSISTENT_RESERVE_SCOPE_LU,
pr_type, &poc);
if (task == NULL) {
printf("[FAILED]\n");
printf("Failed to send PROUT command: %s\n",
iscsi_get_error(iscsi));
return -1;
}
if (task->status != SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("PROUT command: failed with sense. %s\n",
iscsi_get_error(iscsi));
scsi_free_scsi_task(task);
return -1;
}
scsi_free_scsi_task(task);
printf("[OK]\n");
return 0;
}
int release(struct iscsi_context *iscsi, int lun,
unsigned long long key, enum scsi_persistent_out_type pr_type)
{
struct scsi_persistent_reserve_out_basic poc;
struct scsi_task *task;
/* release the target using specified reservation type */
printf("Send PROUT/RELEASE to release reservation, type=%d ... ",
pr_type);
memset(&poc, 0, sizeof (poc));
poc.reservation_key = key;
task = iscsi_persistent_reserve_out_sync(iscsi, lun,
SCSI_PERSISTENT_RESERVE_RELEASE,
SCSI_PERSISTENT_RESERVE_SCOPE_LU,
pr_type, &poc);
if (task == NULL) {
printf("[FAILED]\n");
printf("Failed to send PROUT command: %s\n",
iscsi_get_error(iscsi));
return -1;
}
if (task->status != SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("PROUT command: failed with sense. %s\n",
iscsi_get_error(iscsi));
scsi_free_scsi_task(task);
return -1;
}
scsi_free_scsi_task(task);
printf("[OK]\n");
return 0;
}
int verify_reserved_as(struct iscsi_context *iscsi, int lun,
unsigned long long key, enum scsi_persistent_out_type pr_type)
{
struct scsi_task *task;
const int buf_sz = 16384;
struct scsi_persistent_reserve_in_read_reservation *rr = NULL;
printf("Send PRIN/READ_RESERVATION to verify type=%d ... ",
pr_type);
task = iscsi_persistent_reserve_in_sync(iscsi, lun,
SCSI_PERSISTENT_RESERVE_READ_RESERVATION, buf_sz);
if (task == NULL) {
printf("[FAILED]\n");
printf("Failed to send PRIN command: %s\n",
iscsi_get_error(iscsi));
return -1;
}
if (task->status != SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("PRIN command: failed with sense. %s\n",
iscsi_get_error(iscsi));
scsi_free_scsi_task(task);
return -1;
}
rr = scsi_datain_unmarshall(task);
if (rr == NULL) {
printf("failed to unmarshall PRIN/READ_RESERVATION data. %s\n",
iscsi_get_error(iscsi));
scsi_free_scsi_task(task);
return -1;
}
scsi_free_scsi_task(task);
/*
* XXX check reservation (in rr) ...
*/
if (!rr->reserved) {
printf("Failed to find Target reserved as expected.\n");
return -1;
}
if (rr->reservation_key != key) {
printf("Failed to find reservation key 0x%llx: found 0x%lx.\n",
key, rr->reservation_key);
return -1;
}
if (rr->pr_type != pr_type) {
printf("Failed to find reservation type %d: found %d.\n",
pr_type, rr->pr_type);
return -1;
}
printf("[OK]\n");
return 0;
}
int main(int argc, const char *argv[])
{
poptContext pc;

View File

@@ -17,6 +17,14 @@
along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _ISCSI_TEST_H_
#define _ISCSI_TEST_H_
#include <time.h>
#include <sys/types.h>
#include <unistd.h>
#include <stdlib.h>
extern const char *initiatorname1;
extern const char *initiatorname2;
@@ -188,3 +196,54 @@ int T1042_unsolicited_nonimmediate_data(const char *initiator, const char *url,
int T1100_persistent_reserve_in_read_keys_simple(const char *initiator, const char *url, int data_loss, int show_info);
int T1110_persistent_reserve_in_serviceaction_range(const char *initiator, const char *url, int data_loss, int show_info);
int T1120_persistent_register_simple(const char *initiator, const char *url, int data_loss, int show_info);
int T1130_persistent_reserve_simple(const char *initiator, const char *url,
int data_loss, int show_info);
/*
* PGR support
*/
static inline long rand_key(void)
{
time_t t;
pid_t p;
unsigned int s;
long l;
(void)time(&t);
p = getpid();
s = ((int)p * (t & 0xffff));
srandom(s);
l = random();
return l;
}
static inline int pr_type_is_all_registrants(
enum scsi_persistent_out_type pr_type)
{
switch (pr_type) {
case SCSI_PERSISTENT_RESERVE_TYPE_WRITE_EXCLUSIVE_ALL_REGISTRANTS:
case SCSI_PERSISTENT_RESERVE_TYPE_EXCLUSIVE_ACCESS_ALL_REGISTRANTS:
return 1;
default:
return 0;
}
}
int register_and_ignore(struct iscsi_context *iscsi, int lun,
unsigned long long key);
int register_key(struct iscsi_context *iscsi, int lun,
unsigned long long sark, unsigned long long rk);
int verify_key_presence(struct iscsi_context *iscsi, int lun,
unsigned long long key, int present);
int reregister_key_fails(struct iscsi_context *iscsi, int lun,
unsigned long long sark);
int reserve(struct iscsi_context *iscsi, int lun,
unsigned long long key, enum scsi_persistent_out_type pr_type);
int release(struct iscsi_context *iscsi, int lun,
unsigned long long key, enum scsi_persistent_out_type pr_type);
int verify_reserved_as(struct iscsi_context *iscsi, int lun,
unsigned long long key, enum scsi_persistent_out_type pr_type);
#endif /* _ISCSI_TEST_H_ */