219 lines
6.8 KiB
C
219 lines
6.8 KiB
C
/*
|
|
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 T0341_compareandwrite_mismatch(const char *initiator, const char *url, int data_loss, int show_info)
|
|
{
|
|
struct iscsi_context *iscsi;
|
|
struct scsi_task *task;
|
|
struct scsi_readcapacity16 *rc16;
|
|
int ret, i, lun;
|
|
uint32_t block_size;
|
|
uint64_t num_blocks;
|
|
unsigned char data[512 * 256];
|
|
|
|
printf("0341_compareandwrite_mismatch:\n");
|
|
printf("===================\n");
|
|
if (show_info) {
|
|
printf("Test COMPAREANDWRITE can detect a data mismatch.\n");
|
|
printf("1, Verify we detect a mismatch in the first 1-255 blocks of the LUN.\n");
|
|
printf("2, Verify we detect a mismatch in the last 1-255 blocks of the LUN.\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);
|
|
|
|
|
|
if (!data_loss) {
|
|
printf("--dataloss flag is not set. Skipping test\n");
|
|
ret = -2;
|
|
goto finished;
|
|
}
|
|
|
|
|
|
ret = 0;
|
|
|
|
|
|
/* write the first 1 - 255 blocks at the start of the LUN */
|
|
printf("Compare and write first 1-255 blocks (data is not matching) ... ");
|
|
for (i = 1; i < 256; i++) {
|
|
task = iscsi_read16_sync(iscsi, lun, 0, i * block_size, block_size, 0, 0, 0, 0, 0);
|
|
if (task == NULL) {
|
|
printf("[FAILED]\n");
|
|
printf("Failed to send READ16 command: %s\n", iscsi_get_error(iscsi));
|
|
ret++;
|
|
goto test2;
|
|
}
|
|
if (task->status != SCSI_STATUS_GOOD) {
|
|
printf("[FAILED]\n");
|
|
printf("READ16 command: failed with sense. %s\n", iscsi_get_error(iscsi));
|
|
ret++;
|
|
scsi_free_scsi_task(task);
|
|
goto test2;
|
|
}
|
|
|
|
if (task->datain.data == NULL) {
|
|
printf("[FAILED]\n");
|
|
printf("Failed to access DATA-IN buffer %s\n", iscsi_get_error(iscsi));
|
|
ret++;
|
|
scsi_free_scsi_task(task);
|
|
goto test2;
|
|
}
|
|
memcpy(data, task->datain.data, i * block_size);
|
|
scsi_free_scsi_task(task);
|
|
|
|
/* flip some bits */
|
|
data[ (i - 1) * block_size] ^= 0xa5;
|
|
|
|
task = iscsi_compareandwrite_sync(iscsi, lun, 0, data, i * block_size, block_size, 0, 0, 0, 0, 0);
|
|
if (task == NULL) {
|
|
printf("[FAILED]\n");
|
|
printf("Failed to send COMPAREANDWRITE command: %s\n", iscsi_get_error(iscsi));
|
|
ret++;
|
|
goto test2;
|
|
}
|
|
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("Opcode is not implemented on target\n");
|
|
scsi_free_scsi_task(task);
|
|
ret = -2;
|
|
goto finished;
|
|
}
|
|
if (task->status == SCSI_STATUS_GOOD) {
|
|
printf("[FAILED]\n");
|
|
printf("COMPAREANDWRITE successful. It should have failed with MISCOMPARE/MISCOMPARE_DURING_VERIFY\n");
|
|
ret++;
|
|
scsi_free_scsi_task(task);
|
|
goto test2;
|
|
}
|
|
if (task->status != SCSI_STATUS_CHECK_CONDITION
|
|
|| task->sense.key != SCSI_SENSE_MISCOMPARE
|
|
|| task->sense.ascq != SCSI_SENSE_ASCQ_MISCOMPARE_DURING_VERIFY) {
|
|
printf("[FAILED]\n");
|
|
printf("COMPAREANDWRITE Failed with the wrong sense : %s(0x%02x)/%s(0x%04x). It should have failed with MISCOMPARE/MISCOMPARE_DURING_VERIFY\n", scsi_sense_key_str(task->sense.key), task->sense.key, scsi_sense_ascq_str(task->sense.ascq), task->sense.ascq);
|
|
ret++;
|
|
scsi_free_scsi_task(task);
|
|
goto test2;
|
|
}
|
|
scsi_free_scsi_task(task);
|
|
}
|
|
printf("[OK]\n");
|
|
|
|
|
|
test2:
|
|
/* write the last 1 - 255 blocks at the end of the LUN */
|
|
printf("Compare and write last 1-255 blocks (data is not matching) ... ");
|
|
for (i = 1; i < 256; i++) {
|
|
task = iscsi_read16_sync(iscsi, lun, num_blocks + 1 - i, i * block_size, block_size, 0, 0, 0, 0, 0);
|
|
if (task == NULL) {
|
|
printf("[FAILED]\n");
|
|
printf("Failed to send READ16 command: %s\n", iscsi_get_error(iscsi));
|
|
ret++;
|
|
goto test3;
|
|
}
|
|
if (task->status != SCSI_STATUS_GOOD) {
|
|
printf("[FAILED]\n");
|
|
printf("READ16 command: failed with sense. %s\n", iscsi_get_error(iscsi));
|
|
ret++;
|
|
scsi_free_scsi_task(task);
|
|
goto test3;
|
|
}
|
|
|
|
if (task->datain.data == NULL) {
|
|
printf("[FAILED]\n");
|
|
printf("Failed to access DATA-IN buffer %s\n", iscsi_get_error(iscsi));
|
|
ret++;
|
|
scsi_free_scsi_task(task);
|
|
goto test3;
|
|
}
|
|
memcpy(data, task->datain.data, i * block_size);
|
|
scsi_free_scsi_task(task);
|
|
|
|
/* flip some bits */
|
|
data[ (i - 1) * block_size] ^= 0xa5;
|
|
|
|
task = iscsi_compareandwrite_sync(iscsi, lun, num_blocks + 1 - i, data, i * block_size, block_size, 0, 0, 0, 0, 0);
|
|
if (task == NULL) {
|
|
printf("[FAILED]\n");
|
|
printf("Failed to send COMPAREANDWRITE command: %s\n", iscsi_get_error(iscsi));
|
|
ret++;
|
|
goto test3;
|
|
}
|
|
if (task->status == SCSI_STATUS_GOOD) {
|
|
printf("[FAILED]\n");
|
|
printf("COMPAREANDWRITE successful. It should have failed with MISCOMPARE/MISCOMPARE_DURING_VERIFY\n");
|
|
ret++;
|
|
scsi_free_scsi_task(task);
|
|
goto test3;
|
|
}
|
|
if (task->status != SCSI_STATUS_CHECK_CONDITION
|
|
|| task->sense.key != SCSI_SENSE_MISCOMPARE
|
|
|| task->sense.ascq != SCSI_SENSE_ASCQ_MISCOMPARE_DURING_VERIFY) {
|
|
printf("[FAILED]\n");
|
|
printf("COMPAREANDWRITE Failed with the wrong sense : %s(0x%02x)/%s(0x%04x). It should have failed with MISCOMPARE/MISCOMPARE_DURING_VERIFY\n", scsi_sense_key_str(task->sense.key), task->sense.key, scsi_sense_ascq_str(task->sense.ascq), task->sense.ascq);
|
|
ret++;
|
|
scsi_free_scsi_task(task);
|
|
goto test3;
|
|
}
|
|
scsi_free_scsi_task(task);
|
|
}
|
|
printf("[OK]\n");
|
|
|
|
test3:
|
|
|
|
finished:
|
|
iscsi_logout_sync(iscsi);
|
|
iscsi_destroy_context(iscsi);
|
|
return ret;
|
|
}
|