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/*
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 T0222_write16_flags(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 = 0, lun;
uint32_t block_size;
unsigned char data[4096 * 256];
printf("0222_write16_flags:\n");
printf("===================\n");
if (show_info) {
printf("Test how WRITE16 handles the flags\n");
printf("1, Write with DPU should work.\n");
printf("2, Write with FUA should work.\n");
printf("3, Write with FUA_NV should work.\n");
printf("4, Write with FUA+FUA_NV should work.\n");
printf("\n");
return 0;
}
iscsi = iscsi_context_login(initiator, url, &lun);
if (iscsi == NULL) {
printf("Failed to login to target\n");
return -1;
}
/* This test is only valid for SBC devices */
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;
}
inq = scsi_datain_unmarshall(task);
if (inq == NULL) {
printf("failed to unmarshall inquiry datain blob\n");
scsi_free_scsi_task(task);
return -1;
}
if (inq->device_type != SCSI_INQUIRY_PERIPHERAL_DEVICE_TYPE_DIRECT_ACCESS) {
printf("LUN is not SBC device. Skipping test\n");
scsi_free_scsi_task(task);
return -2;
}
/* 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;
scsi_free_scsi_task(task);
printf("Write16 with DPO ");
task = iscsi_write16_sync(iscsi, lun, 0, data, block_size, block_size, 0, 1, 0, 0, 0);
if (task == NULL) {
printf("[FAILED]\n");
printf("Failed to send write16 command: %s\n", iscsi_get_error(iscsi));
ret = -1;
goto finished;
}
if (task->status != SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("Write16 command: failed with sense. %s\n", iscsi_get_error(iscsi));
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
printf("[OK]\n");
if (!data_loss) {
printf("--dataloss flag is not set. Skipping test\n");
ret = -2;
goto finished;
}
printf("Write16 with FUA ");
task = iscsi_write16_sync(iscsi, lun, 0, data, block_size, block_size, 0, 0, 1, 0, 0);
if (task == NULL) {
printf("[FAILED]\n");
printf("Failed to send write16 command: %s\n", iscsi_get_error(iscsi));
ret = -1;
goto finished;
}
if (task->status != SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("Write16 command: failed with sense. %s\n", iscsi_get_error(iscsi));
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
printf("[OK]\n");
printf("Write16 with FUA_NV ");
task = iscsi_write16_sync(iscsi, lun, 0, data, block_size, block_size, 0, 0, 0, 1, 0);
if (task == NULL) {
printf("[FAILED]\n");
printf("Failed to send write16 command: %s\n", iscsi_get_error(iscsi));
ret = -1;
goto finished;
}
if (task->status != SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("Write16 command: failed with sense. %s\n", iscsi_get_error(iscsi));
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
printf("[OK]\n");
printf("Write16 with FUA+FUA_NV ");
task = iscsi_write16_sync(iscsi, lun, 0, data, block_size, block_size, 0, 0, 1, 1, 0);
if (task == NULL) {
printf("[FAILED]\n");
printf("Failed to send write16 command: %s\n", iscsi_get_error(iscsi));
ret = -1;
goto finished;
}
if (task->status != SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("Write16 command: failed with sense. %s\n", iscsi_get_error(iscsi));
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
printf("[OK]\n");
finished:
iscsi_logout_sync(iscsi);
iscsi_destroy_context(iscsi);
return ret;
}
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