TEST: Add tests for COMPAREANDWRITE
This commit is contained in:
Ronnie Sahlberg
207
test-tool/0341_compareandwrite_mismatch.c
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207
test-tool/0341_compareandwrite_mismatch.c
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/*
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Copyright (C) 2012 by Ronnie Sahlberg <ronniesahlberg@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdio.h>
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#include <string.h>
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#include "iscsi.h"
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#include "scsi-lowlevel.h"
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#include "iscsi-test.h"
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int T0341_compareandwrite_mismatch(const char *initiator, const char *url, int data_loss, int show_info)
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{
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struct iscsi_context *iscsi;
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struct scsi_task *task;
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struct scsi_readcapacity16 *rc16;
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int ret, i, lun;
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uint32_t block_size;
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uint64_t num_blocks;
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unsigned char data[512 * 256];
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printf("0341_compareandwrite_mismatch:\n");
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printf("===================\n");
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if (show_info) {
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printf("Test COMPAREANDWRITE can detect a data mismatch.\n");
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printf("1, Verify we detect a mismatch in the first 1-255 blocks of the LUN.\n");
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printf("2, Verify we detect a mismatch in the last 1-255 blocks of the LUN.\n");
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printf("\n");
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return 0;
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}
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iscsi = iscsi_context_login(initiator, url, &lun);
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if (iscsi == NULL) {
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printf("Failed to login to target\n");
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return -1;
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}
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/* find the size of the LUN */
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task = iscsi_readcapacity16_sync(iscsi, lun);
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if (task == NULL) {
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printf("Failed to send READCAPACITY16 command: %s\n", iscsi_get_error(iscsi));
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ret = -1;
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goto finished;
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}
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if (task->status != SCSI_STATUS_GOOD) {
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printf("READCAPACITY16 command: failed with sense. %s\n", iscsi_get_error(iscsi));
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ret = -1;
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scsi_free_scsi_task(task);
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goto finished;
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}
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rc16 = scsi_datain_unmarshall(task);
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if (rc16 == NULL) {
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printf("failed to unmarshall READCAPACITY16 data. %s\n", iscsi_get_error(iscsi));
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ret = -1;
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scsi_free_scsi_task(task);
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goto finished;
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}
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block_size = rc16->block_length;
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num_blocks = rc16->returned_lba;
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scsi_free_scsi_task(task);
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if (!data_loss) {
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printf("--dataloss flag is not set. Skipping test\n");
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ret = -1;
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goto finished;
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}
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ret = 0;
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/* write the first 1 - 255 blocks at the start of the LUN */
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printf("Compare and write first 1-255 blocks (data is not matching) ... ");
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for (i = 1; i < 256; i++) {
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task = iscsi_read16_sync(iscsi, lun, 0, i * block_size, block_size, 0, 0, 0, 0, 0);
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if (task == NULL) {
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printf("[FAILED]\n");
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printf("Failed to send READ16 command: %s\n", iscsi_get_error(iscsi));
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ret++;
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goto test2;
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}
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if (task->status != SCSI_STATUS_GOOD) {
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printf("[FAILED]\n");
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printf("READ16 command: failed with sense. %s\n", iscsi_get_error(iscsi));
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ret++;
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scsi_free_scsi_task(task);
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goto test2;
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}
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if (task->datain.data == NULL) {
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printf("[FAILED]\n");
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printf("Failed to access DATA-IN buffer %s\n", iscsi_get_error(iscsi));
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ret++;
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scsi_free_scsi_task(task);
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goto test2;
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}
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memcpy(data, task->datain.data, i * block_size);
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/* flip some bits */
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data[ (i - 1) * block_size] ^= 0xa5;
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task = iscsi_compareandwrite_sync(iscsi, lun, 0, data, i * block_size, block_size, 0, 0, 0, 0, 0);
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if (task == NULL) {
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printf("[FAILED]\n");
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printf("Failed to send COMPAREANDWRITE command: %s\n", iscsi_get_error(iscsi));
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ret++;
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goto test2;
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}
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if (task->status == SCSI_STATUS_GOOD) {
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printf("[FAILED]\n");
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printf("COMPAREANDWRITE successful. It should have failed with MISCOMPARE/MISCOMPARE_DURING_VERIFY\n");
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ret++;
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scsi_free_scsi_task(task);
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goto test2;
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}
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if (task->status != SCSI_STATUS_CHECK_CONDITION
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|| task->sense.key != SCSI_SENSE_MISCOMPARE
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|| task->sense.ascq != SCSI_SENSE_ASCQ_MISCOMPARE_DURING_VERIFY) {
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printf("[FAILED]\n");
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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);
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ret++;
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scsi_free_scsi_task(task);
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goto test2;
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}
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scsi_free_scsi_task(task);
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}
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printf("[OK]\n");
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test2:
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/* write the last 1 - 255 blocks at the end of the LUN */
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printf("Compare and write last 1-255 blocks ... ");
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for (i = 1; i < 256; i++) {
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task = iscsi_read16_sync(iscsi, lun, num_blocks + 1 - i, i * block_size, block_size, 0, 0, 0, 0, 0);
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if (task == NULL) {
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printf("[FAILED]\n");
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printf("Failed to send READ16 command: %s\n", iscsi_get_error(iscsi));
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ret++;
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goto test3;
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}
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if (task->status != SCSI_STATUS_GOOD) {
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printf("[FAILED]\n");
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printf("READ16 command: failed with sense. %s\n", iscsi_get_error(iscsi));
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ret++;
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scsi_free_scsi_task(task);
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goto test3;
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}
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if (task->datain.data == NULL) {
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printf("[FAILED]\n");
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printf("Failed to access DATA-IN buffer %s\n", iscsi_get_error(iscsi));
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ret++;
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scsi_free_scsi_task(task);
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goto test3;
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}
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memcpy(data, task->datain.data, i * block_size);
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/* flip some bits */
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data[ (i - 1) * block_size] ^= 0xa5;
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task = iscsi_compareandwrite_sync(iscsi, lun, num_blocks + 1 - i, data, i * block_size, block_size, 0, 0, 0, 0, 0);
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if (task == NULL) {
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printf("[FAILED]\n");
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printf("Failed to send COMPAREANDWRITE command: %s\n", iscsi_get_error(iscsi));
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ret++;
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goto test3;
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}
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if (task->status == SCSI_STATUS_GOOD) {
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printf("[FAILED]\n");
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printf("COMPAREANDWRITE successful. It should have failed with MISCOMPARE/MISCOMPARE_DURING_VERIFY\n");
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ret++;
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scsi_free_scsi_task(task);
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goto test3;
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}
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if (task->status != SCSI_STATUS_CHECK_CONDITION
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|| task->sense.key != SCSI_SENSE_MISCOMPARE
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|| task->sense.ascq != SCSI_SENSE_ASCQ_MISCOMPARE_DURING_VERIFY) {
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printf("[FAILED]\n");
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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);
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ret++;
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scsi_free_scsi_task(task);
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goto test3;
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}
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scsi_free_scsi_task(task);
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}
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printf("[OK]\n");
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test3:
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finished:
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iscsi_logout_sync(iscsi);
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iscsi_destroy_context(iscsi);
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return ret;
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}
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