131 lines
3.9 KiB
C
131 lines
3.9 KiB
C
/*
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Copyright (C) 2013 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 <CUnit/CUnit.h>
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#include "iscsi.h"
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#include "scsi-lowlevel.h"
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#include "iscsi-support.h"
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#include "iscsi-test-cu.h"
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void
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test_modesense6_residuals(void)
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{
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logging(LOG_VERBOSE, LOG_BLANK_LINE);
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logging(LOG_VERBOSE, "Test of MODESENSE6 Residuals");
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logging(LOG_VERBOSE, "MODESENSE6 command should not result in any "
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"residuals");
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logging(LOG_VERBOSE, "Try a MODESENSE6 command with 4 bytes of "
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"transfer length and verify that we dont get residuals.");
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if (task != NULL) {
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scsi_free_scsi_task(task);
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task = NULL;
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}
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task = iscsi_modesense6_sync(iscsic, tgt_lun, 0,
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SCSI_MODESENSE_PC_CURRENT,
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SCSI_MODEPAGE_RETURN_ALL_PAGES,
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0, 4);
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if (task == NULL || task->status != SCSI_STATUS_GOOD) {
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logging(LOG_VERBOSE, "[FAILED] Failed to send MODE_SENSE6 "
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"command:%s",
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iscsi_get_error(iscsic));
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CU_FAIL("[FAILED] Failed to fetch the All Pages page.");
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return;
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}
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logging(LOG_VERBOSE, "[SUCCESS] All Pages fetched.");
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logging(LOG_VERBOSE, "Verify that we got at most 4 bytes of DATA-IN");
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if (task->datain.size > 4) {
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logging(LOG_NORMAL, "[FAILED] got more than 4 bytes of "
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"DATA-IN.");
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} else {
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logging(LOG_VERBOSE, "[SUCCESS] <= 4 bytes of DATA-IN "
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"received.");
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}
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CU_ASSERT_TRUE(task->datain.size <= 4);
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logging(LOG_VERBOSE, "Verify residual overflow flag not set");
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if (task->residual_status == SCSI_RESIDUAL_OVERFLOW) {
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logging(LOG_VERBOSE, "[FAILED] Target set residual "
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"overflow flag");
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}
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CU_ASSERT_NOT_EQUAL(task->residual_status, SCSI_RESIDUAL_OVERFLOW);
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logging(LOG_VERBOSE, "Try a MODESENSE6 command with 255 bytes of "
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"transfer length and verify that we get residuals if the target returns less than the requested amount of data.");
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if (task != NULL) {
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scsi_free_scsi_task(task);
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task = NULL;
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}
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task = iscsi_modesense6_sync(iscsic, tgt_lun, 0,
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SCSI_MODESENSE_PC_CURRENT,
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SCSI_MODEPAGE_RETURN_ALL_PAGES,
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0, 255);
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if (task == NULL || task->status != SCSI_STATUS_GOOD) {
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logging(LOG_VERBOSE, "[FAILED] Failed to send MODE_SENSE6 "
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"command:%s",
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iscsi_get_error(iscsic));
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CU_FAIL("[FAILED] Failed to fetch the All Pages page.");
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return;
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}
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logging(LOG_VERBOSE, "[SUCCESS] All Pages fetched.");
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if (task->datain.size == 255) {
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logging(LOG_VERBOSE, "We got all 255 bytes of data back "
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"from the target. Verify that underflow is not set.");
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if (task->residual_status == SCSI_RESIDUAL_UNDERFLOW) {
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logging(LOG_VERBOSE, "[FAILED] Target set residual "
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"underflow flag");
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} else {
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logging(LOG_VERBOSE, "[SUCCESS] Residual underflow "
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"is not set");
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}
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CU_ASSERT_NOT_EQUAL(task->residual_status,
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SCSI_RESIDUAL_UNDERFLOW);
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} else {
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logging(LOG_VERBOSE, "We got less than the requested 255 bytes "
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"from the target. Verify that underflow is set.");
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if (task->residual_status != SCSI_RESIDUAL_UNDERFLOW) {
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logging(LOG_VERBOSE, "[FAILED] Target did not set "
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"residual underflow flag");
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} else {
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logging(LOG_VERBOSE, "[SUCCESS] Residual underflow "
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"is set");
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}
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CU_ASSERT_EQUAL(task->residual_status,
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SCSI_RESIDUAL_UNDERFLOW);
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}
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if (task != NULL) {
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scsi_free_scsi_task(task);
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task = NULL;
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}
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}
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