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TEST: Add a test that a I_T_Nexus loss clears the PREVENTALLOW on that nexus

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This commit is contained in:
Ronnie Sahlberg
2012-07-21 11:17:09 +10:00
parent 5953607743
commit 44bf8a5a3a
4 changed files with 251 additions and 1 deletions
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3
Makefile.am
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@@ -110,7 +110,8 @@ bin_iscsi_test_SOURCES = test-tool/iscsi-test.c \
test-tool/0361_startstopunit_pwrcnd.c \
test-tool/0370_nomedia.c \
test-tool/0380_preventallow_simple.c \
test-tool/0381_preventallow_eject.c
test-tool/0381_preventallow_eject.c \
test-tool/0382_preventallow_itnexus_loss.c
endif

247
test-tool/0382_preventallow_itnexus_loss.c Normal file
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@@ -0,0 +1,247 @@
/*
Copyright (C) 2012 by Ronnie Sahlberg <ronniesahlberg@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 <string.h>
#include "iscsi.h"
#include "scsi-lowlevel.h"
#include "iscsi-test.h"
int T0382_preventallow_itnexus_loss(const char *initiator, const char *url, int data_loss, int show_info)
{
struct iscsi_context *iscsi;
struct scsi_task *task;
struct scsi_readcapacity16 *rc16;
struct scsi_inquiry_standard *inq;
int ret, lun, removable;
uint32_t block_size;
uint64_t num_blocks;
int full_size;
printf("0382_preventallow_itnexus_loss:\n");
printf("===============================\n");
if (show_info) {
printf("Test that an I_T_Nexus loss clears PREVENTALLOW.\n");
printf("1, Verify we can set PREVENTALLOW (if the medium is removable)\n");
printf("2, Verify we can no longer eject the media\n");
printf("3, Tear down the I_T_Nexus and re-login on a new nexus\n");
printf("4, Verify we can eject the media\n");
printf("5, Load the media again in case it was ejected\n");
printf("6, Clear PREVENTALLOW again\n");
printf("\n");
return 0;
}
iscsi = iscsi_context_login(initiator, url, &lun);
if (iscsi == NULL) {
printf("Failed to login to target\n");
return -1;
}
/* find the size of the LUN */
task = iscsi_readcapacity16_sync(iscsi, lun);
if (task == NULL) {
printf("Failed to send READCAPACITY16 command: %s\n", iscsi_get_error(iscsi));
ret = -1;
goto finished;
}
if (task->status != SCSI_STATUS_GOOD) {
printf("READCAPACITY16 command: failed with sense. %s\n", iscsi_get_error(iscsi));
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
rc16 = scsi_datain_unmarshall(task);
if (rc16 == NULL) {
printf("failed to unmarshall READCAPACITY16 data. %s\n", iscsi_get_error(iscsi));
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
block_size = rc16->block_length;
num_blocks = rc16->returned_lba;
scsi_free_scsi_task(task);
/* See how big this inquiry data is */
task = iscsi_inquiry_sync(iscsi, lun, 0, 0, 64);
if (task == NULL || task->status != SCSI_STATUS_GOOD) {
printf("Inquiry command failed : %s\n", iscsi_get_error(iscsi));
return -1;
}
full_size = scsi_datain_getfullsize(task);
if (full_size > task->datain.size) {
scsi_free_scsi_task(task);
/* we need more data for the full list */
if ((task = iscsi_inquiry_sync(iscsi, lun, 0, 0, full_size)) == NULL) {
printf("Inquiry command failed : %s\n", iscsi_get_error(iscsi));
return -1;
}
}
inq = scsi_datain_unmarshall(task);
if (inq == NULL) {
printf("failed to unmarshall inquiry datain blob\n");
scsi_free_scsi_task(task);
return -1;
}
removable = inq->rmb;
scsi_free_scsi_task(task);
if (!data_loss) {
printf("--dataloss flag is not set. Skipping test\n");
ret = -1;
goto finished;
}
ret = 0;
if (!removable) {
printf("Media is not removable. Skipping tests\n");
goto finished;
}
printf("Try to set PREVENTALLOW ... ");
task = iscsi_preventallow_sync(iscsi, lun, 1);
if (task == NULL) {
printf("[FAILED]\n");
printf("Failed to send PREVENTALLOW command: %s\n", iscsi_get_error(iscsi));
ret++;
goto test2;
}
/* SPC doesnt really say anything about what should happen if using PREVENTALLOW
* on a device that does not support medium removals.
*/
if (removable) {
if (task->status != SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("PREVENTALLOW command: failed with sense %s\n", iscsi_get_error(iscsi));
ret++;
scsi_free_scsi_task(task);
goto test2;
}
}
scsi_free_scsi_task(task);
printf("[OK]\n");
test2:
printf("Try to eject the media ... ");
task = iscsi_startstopunit_sync(iscsi, lun, 1, 0, 0, 0, 1, 0);
if (task == NULL) {
printf("[FAILED]\n");
printf("Failed to send STARTSTOPUNIT command: %s\n", iscsi_get_error(iscsi));
ret++;
goto test3;
}
if (task->status != SCSI_STATUS_CHECK_CONDITION
|| task->sense.key != SCSI_SENSE_ILLEGAL_REQUEST
|| task->sense.ascq != SCSI_SENSE_ASCQ_MEDIUM_REMOVAL_PREVENTED) {
printf("[FAILED]\n");
printf("STARTSTOPUNIT command should have failed with ILLEGAL_REQUEST/MEDIUM_REMOVAL_PREVENTED with : failed with sense. %s\n", iscsi_get_error(iscsi));
ret++;
scsi_free_scsi_task(task);
goto test3;
}
scsi_free_scsi_task(task);
printf("Eject failed. [OK]\n");
test3:
printf("Tear down the I_T_Nexus and create a new one ... ");
iscsi_destroy_context(iscsi);
iscsi = iscsi_context_login(initiator, url, &lun);
if (iscsi == NULL) {
printf("Failed to login to target\n");
goto finished;
}
printf("[OK]\n");
//test4:
printf("Try to eject the media ... ");
task = iscsi_startstopunit_sync(iscsi, lun, 1, 0, 0, 0, 1, 0);
if (task == NULL) {
printf("[FAILED]\n");
printf("Failed to send STARTSTOPUNIT command: %s\n", iscsi_get_error(iscsi));
ret++;
goto test5;
}
if (task->status != SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("STARTSTOPUNIT command should have worked but it failed with sense. %s\n", iscsi_get_error(iscsi));
ret++;
scsi_free_scsi_task(task);
goto test5;
}
scsi_free_scsi_task(task);
printf("[OK]\n");
test5:
printf("Load the media again in case it was ejected ... ");
task = iscsi_startstopunit_sync(iscsi, lun, 1, 0, 0, 0, 1, 1);
if (task == NULL) {
printf("[FAILED]\n");
printf("Failed to send STARTSTOPUNIT command: %s\n", iscsi_get_error(iscsi));
ret++;
goto test6;
}
/* SBC doesnt really say anything about whether we can LOAD media when the prevent
* flag is set
*/
scsi_free_scsi_task(task);
printf("[OK]\n");
test6:
printf("Clear the PREVENTALLOW again ... ");
task = iscsi_preventallow_sync(iscsi, lun, 0);
if (task == NULL) {
printf("[FAILED]\n");
printf("Failed to send PREVENTALLOW command: %s\n", iscsi_get_error(iscsi));
ret++;
goto test7;
}
/* SPC doesnt really say anything about what should happen if using PREVENTALLOW
* on a device that does not support medium removals.
*/
if (removable) {
if (task->status != SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("PREVENTALLOW command: failed with sense %s\n", iscsi_get_error(iscsi));
ret++;
scsi_free_scsi_task(task);
goto test7;
}
}
scsi_free_scsi_task(task);
printf("[OK]\n");
test7:
finished:
iscsi_logout_sync(iscsi);
iscsi_destroy_context(iscsi);
return ret;
}

1
test-tool/iscsi-test.c
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@@ -177,6 +177,7 @@ struct scsi_test tests[] = {
/* preventallowmediumremoval*/
{ "T0380_preventallow_simple", T0380_preventallow_simple },
{ "T0381_preventallow_eject", T0381_preventallow_eject },
{ "T0382_preventallow_itnexus_loss", T0382_preventallow_itnexus_loss },
{ NULL, NULL }
};

1
test-tool/iscsi-test.h
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@@ -130,3 +130,4 @@ int T0370_nomedia(const char *initiator, const char *url, int data_loss, int sho
int T0380_preventallow_simple(const char *initiator, const char *url, int data_loss, int show_info);
int T0381_preventallow_eject(const char *initiator, const char *url, int data_loss, int show_info);
int T0382_preventallow_itnexus_loss(const char *initiator, const char *url, int data_loss, int show_info);