Add VERIFY16 support and tests

Signed-off-by: Ronnie Sahlberg <ronniesahlberg@gmail.com>
This commit is contained in:
Ronnie Sahlberg
2012-06-04 20:16:44 +10:00
parent f6fd18ee3a
commit 6003000809
14 changed files with 725 additions and 1 deletions

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@@ -0,0 +1,131 @@
/*
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 "iscsi.h"
#include "scsi-lowlevel.h"
#include "iscsi-test.h"
int T0270_verify16_simple(const char *initiator, const char *url, int data_loss _U_, int show_info)
{
struct iscsi_context *iscsi;
struct scsi_task *task;
struct scsi_task *vtask;
struct scsi_readcapacity16 *rc16;
int ret, i, lun;
uint32_t block_size;
uint64_t num_blocks;
printf("0270_verify16_simple:\n");
printf("=====================\n");
if (show_info) {
printf("Test basic VERIFY16 functionality.\n");
printf("1, Read and verify the first 1-256 blocks of the LUN using READ16/VERIFY16.\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);
ret = 0;
/* read and verify the first 1 - 256 blocks at the start of the LUN */
printf("Read+verify first 1-256 blocks ... ");
for (i = 1; i <= 256; i++) {
unsigned char *buf;
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 = -1;
goto finished;
}
if (task->status != SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("Read16 command: failed with sense. %s\n", iscsi_get_error(iscsi));
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
buf = task->datain.data;
if (buf == NULL) {
printf("[FAILED]\n");
printf("Failed to access DATA-IN buffer %s\n", iscsi_get_error(iscsi));
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
vtask = iscsi_verify16_sync(iscsi, lun, buf, i * block_size, 0, 0, 1, 1, block_size);
if (vtask == NULL) {
printf("[FAILED]\n");
printf("Failed to send verify16 command: %s\n", iscsi_get_error(iscsi));
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
if (vtask->status != SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("Verify16 command: failed with sense. %s\n", iscsi_get_error(iscsi));
ret = -1;
scsi_free_scsi_task(task);
scsi_free_scsi_task(vtask);
goto finished;
}
scsi_free_scsi_task(task);
scsi_free_scsi_task(vtask);
}
printf("[OK]\n");
finished:
iscsi_logout_sync(iscsi);
iscsi_destroy_context(iscsi);
return ret;
}

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@@ -0,0 +1,143 @@
/*
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 <stdlib.h>
#include "iscsi.h"
#include "scsi-lowlevel.h"
#include "iscsi-test.h"
int T0271_verify16_mismatch(const char *initiator, const char *url, int data_loss _U_, int show_info)
{
struct iscsi_context *iscsi;
struct scsi_task *task;
struct scsi_task *vtask;
struct scsi_readcapacity16 *rc16;
int ret, i, lun;
uint32_t block_size;
uint64_t num_blocks;
printf("0271_verify16_mismatch:\n");
printf("=======================\n");
if (show_info) {
printf("Test basic VERIFY16 functionality.\n");
printf("1, Verify the first 1-256 blocks with a deliberate error detects the mismatch.\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);
ret = 0;
/* read and verify the first 1 - 256 blocks at the start of the LUN */
printf("Read+verify first 1-256 blocks ... ");
for (i = 1; i <= 256; i++) {
unsigned char *buf;
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 = -1;
goto finished;
}
if (task->status != SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("Read16 command: failed with sense. %s\n", iscsi_get_error(iscsi));
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
buf = task->datain.data;
if (buf == NULL) {
printf("[FAILED]\n");
printf("Failed to access DATA-IN buffer %s\n", iscsi_get_error(iscsi));
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
/* flip a random byte in the data */
buf[random() % task->datain.size] ^= 'X';
vtask = iscsi_verify16_sync(iscsi, lun, buf, i * block_size, 0, 0, 1, 1, block_size);
if (vtask == NULL) {
printf("[FAILED]\n");
printf("Failed to send verify10 command: %s\n", iscsi_get_error(iscsi));
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
if (vtask->status == SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("Verify16 command returned sense ok but the data is not matching.\n");
ret = -1;
scsi_free_scsi_task(task);
scsi_free_scsi_task(vtask);
goto finished;
}
if (vtask->sense.key != SCSI_SENSE_MISCOMPARE) {
printf("[FAILED]\n");
printf("Verify16 command returned wrong sense key. MISCOMPARE 0x%x expected but got key 0x%x\n", SCSI_SENSE_MISCOMPARE, vtask->sense.key);
ret = -1;
scsi_free_scsi_task(task);
scsi_free_scsi_task(vtask);
goto finished;
}
scsi_free_scsi_task(task);
scsi_free_scsi_task(vtask);
}
printf("[OK]\n");
finished:
iscsi_logout_sync(iscsi);
iscsi_destroy_context(iscsi);
return ret;
}

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@@ -0,0 +1,137 @@
/*
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 <stdlib.h>
#include "iscsi.h"
#include "scsi-lowlevel.h"
#include "iscsi-test.h"
int T0272_verify16_mismatch_no_cmp(const char *initiator, const char *url, int data_loss _U_, int show_info)
{
struct iscsi_context *iscsi;
struct scsi_task *task;
struct scsi_task *vtask;
struct scsi_readcapacity16 *rc16;
int ret, i, lun;
uint32_t block_size;
uint64_t num_blocks;
printf("0272_verify16_mismatch_no_cmp:\n");
printf("==============================\n");
if (show_info) {
printf("Test VERIFY16 BYTCHK:0 should not detect mismatches.\n");
printf("1, Verify the first 1-256 blocks does nto detect a mismatch if BYTCHK is 0\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);
ret = 0;
/* read and verify the first 1 - 256 blocks at the start of the LUN */
printf("Read+verify first 1-256 blocks ... ");
for (i = 1; i <= 256; i++) {
unsigned char *buf;
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 = -1;
goto finished;
}
if (task->status != SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("Read16 command: failed with sense. %s\n", iscsi_get_error(iscsi));
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
buf = task->datain.data;
if (buf == NULL) {
printf("[FAILED]\n");
printf("Failed to access DATA-IN buffer %s\n", iscsi_get_error(iscsi));
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
/* flip a random byte in the data */
buf[random() % task->datain.size] ^= 'X';
/* bytechk == 0 ==> target should NOT compate the data so should
not detect the mismatch.
*/
vtask = iscsi_verify16_sync(iscsi, lun, buf, i * block_size, 0, 0, 1, 0, block_size);
if (vtask == NULL) {
printf("[FAILED]\n");
printf("Failed to send verify16 command: %s\n", iscsi_get_error(iscsi));
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
if (vtask->status != SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("Verify16 returned sense but BYTCHK==1 means it should not check/compare the data.\n");
ret = -1;
scsi_free_scsi_task(task);
scsi_free_scsi_task(vtask);
goto finished;
}
scsi_free_scsi_task(task);
scsi_free_scsi_task(vtask);
}
printf("[OK]\n");
finished:
iscsi_logout_sync(iscsi);
iscsi_destroy_context(iscsi);
return ret;
}

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@@ -0,0 +1,172 @@
/*
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 "iscsi.h"
#include "scsi-lowlevel.h"
#include "iscsi-test.h"
int T0273_verify16_beyondeol(const char *initiator, const char *url, int data_loss _U_, 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 buf[512*256];
printf("0273_verify16_beyond_eol:\n");
printf("========================\n");
if (show_info) {
printf("Test that VERIFY16 fails if reading beyond end-of-lun.\n");
printf("1, Verify 2-256 blocks one block beyond end-of-lun.\n");
printf("2, Verify 1-256 blocks at LBA 2^63\n");
printf("3, Verify 1-256 blocks at LBA -1\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 READCAPACITY10 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);
ret = 0;
/* verify 2 - 256 blocks beyond the end of the device */
printf("Verifying 2-256 blocks beyond end-of-device ... ");
for (i = 2; i <= 256; i++) {
task = iscsi_verify16_sync(iscsi, lun, buf, i * block_size, num_blocks, 0, 1, 1, block_size);
if (task == NULL) {
printf("[FAILED]\n");
printf("Failed to send verify16 command: %s\n", iscsi_get_error(iscsi));
ret = -1;
goto finished;
}
if (task->status == SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("Verify16 command should fail when reading beyond end of device\n");
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
if (task->status != SCSI_STATUS_CHECK_CONDITION
|| task->sense.key != SCSI_SENSE_ILLEGAL_REQUEST
|| task->sense.ascq != SCSI_SENSE_ASCQ_LBA_OUT_OF_RANGE) {
printf("[FAILED]\n");
printf("VERIFY16 failed but with the wrong sense code. It should have failed with ILLEGAL_REQUEST/LBA_OUT_OF_RANGE.\n");
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
scsi_free_scsi_task(task);
}
printf("[OK]\n");
/* verify 1 - 256 blocks at LBA 2^63 */
printf("Verify 1-256 blocks at LBA 2^63 ... ");
for (i = 2; i <= 257; i++) {
task = iscsi_verify16_sync(iscsi, lun, buf, i * block_size, 0x8000000000000000ULL, 0, 1, 1, block_size);
if (task == NULL) {
printf("[FAILED]\n");
printf("Failed to send verify16 command: %s\n", iscsi_get_error(iscsi));
ret = -1;
goto finished;
}
if (task->status == SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("Verify16 command should fail when reading at LBA 2^63\n");
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
if (task->status != SCSI_STATUS_CHECK_CONDITION
|| task->sense.key != SCSI_SENSE_ILLEGAL_REQUEST
|| task->sense.ascq != SCSI_SENSE_ASCQ_LBA_OUT_OF_RANGE) {
printf("[FAILED]\n");
printf("VERIFY16 failed but with the wrong sense code. It should have failed with ILLEGAL_REQUEST/LBA_OUT_OF_RANGE.\n");
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
scsi_free_scsi_task(task);
}
printf("[OK]\n");
/* verify 1 - 256 blocks at LBA -1 */
printf("Verifying 1-256 blocks at LBA -1 ... ");
for (i = 2; i <= 257; i++) {
task = iscsi_verify16_sync(iscsi, lun, buf, i * block_size, -1LL, 0, 1, 1, block_size);
if (task == NULL) {
printf("[FAILED]\n");
printf("Failed to send verify16 command: %s\n", iscsi_get_error(iscsi));
ret = -1;
goto finished;
}
if (task->status == SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("verify16 command should fail when reading at LBA -1\n");
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
if (task->status != SCSI_STATUS_CHECK_CONDITION
|| task->sense.key != SCSI_SENSE_ILLEGAL_REQUEST
|| task->sense.ascq != SCSI_SENSE_ASCQ_LBA_OUT_OF_RANGE) {
printf("[FAILED]\n");
printf("VERIFY16 failed but with the wrong sense code. It should have failed with ILLEGAL_REQUEST/LBA_OUT_OF_RANGE.\n");
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
scsi_free_scsi_task(task);
}
printf("[OK]\n");
finished:
iscsi_logout_sync(iscsi);
iscsi_destroy_context(iscsi);
return ret;
}

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@@ -113,6 +113,12 @@ struct scsi_test tests[] = {
{ "T0260_get_lba_status_simple", T0260_get_lba_status_simple },
{ "T0264_get_lba_status_beyondeol", T0264_get_lba_status_beyondeol },
/* verify16*/
{ "T0270_verify16_simple", T0270_verify16_simple },
{ "T0271_verify16_mismatch", T0271_verify16_mismatch },
{ "T0272_verify16_mismatch_no_cmp", T0272_verify16_mismatch_no_cmp },
{ "T0273_verify16_beyondeol", T0273_verify16_beyondeol },
{ NULL, NULL }
};

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@@ -77,3 +77,8 @@ int T0250_prefetch16_simple(const char *initiator, const char *url, int data_los
int T0260_get_lba_status_simple(const char *initiator, const char *url, int data_loss, int show_info);
int T0264_get_lba_status_beyondeol(const char *initiator, const char *url, int data_loss, int show_info);
int T0270_verify16_simple(const char *initiator, const char *url, int data_loss, int show_info);
int T0271_verify16_mismatch(const char *initiator, const char *url, int data_loss, int show_info);
int T0272_verify16_mismatch_no_cmp(const char *initiator, const char *url, int data_loss, int show_info);
int T0273_verify16_beyondeol(const char *initiator, const char *url, int data_loss, int show_info);