266 lines
7.1 KiB
C
266 lines
7.1 KiB
C
/*
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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 <poll.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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struct mgmt_task {
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uint32_t status;
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uint32_t finished;
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};
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static void mgmt_cb(struct iscsi_context *iscsi _U_, int status _U_,
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void *command_data, void *private_data)
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{
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struct mgmt_task *mgmt_task = (struct mgmt_task *)private_data;
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mgmt_task->status = *(uint32_t *)command_data;
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mgmt_task->finished = 1;
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}
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int T0384_preventallow_target_cold_reset(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_inquiry_standard *inq;
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int ret, lun, removable;
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int full_size;
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struct mgmt_task mgmt_task = {0, 0};
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struct pollfd pfd;
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printf("0384_preventallow_target_cold_reset:\n");
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printf("====================================\n");
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if (show_info) {
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printf("Test that a target reset clears PREVENTALLOW.\n");
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printf("1, Verify we can set PREVENTALLOW (if the medium is removable)\n");
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printf("2, Verify we can no longer eject the media\n");
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printf("3, Send a Cold Reset to the target\n");
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printf("4, Verify we can eject the media\n");
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printf("5, Load the media again in case it was ejected\n");
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printf("6, Clear PREVENTALLOW again\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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/* See how big this inquiry data is */
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task = iscsi_inquiry_sync(iscsi, lun, 0, 0, 64);
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if (task == NULL || task->status != SCSI_STATUS_GOOD) {
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printf("Inquiry command failed : %s\n", iscsi_get_error(iscsi));
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return -1;
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}
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full_size = scsi_datain_getfullsize(task);
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if (full_size > task->datain.size) {
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scsi_free_scsi_task(task);
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/* we need more data for the full list */
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if ((task = iscsi_inquiry_sync(iscsi, lun, 0, 0, full_size)) == NULL) {
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printf("Inquiry command failed : %s\n", iscsi_get_error(iscsi));
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return -1;
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}
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}
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inq = scsi_datain_unmarshall(task);
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if (inq == NULL) {
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printf("failed to unmarshall inquiry datain blob\n");
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scsi_free_scsi_task(task);
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return -1;
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}
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removable = inq->rmb;
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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 = -2;
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goto finished;
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}
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ret = 0;
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if (!removable) {
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printf("Media is not removable. Skipping tests\n");
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ret = -2;
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goto finished;
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}
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printf("Try to set PREVENTALLOW ... ");
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task = iscsi_preventallow_sync(iscsi, lun, 1);
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if (task == NULL) {
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printf("[FAILED]\n");
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printf("Failed to send PREVENTALLOW 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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/* SPC doesnt really say anything about what should happen if using PREVENTALLOW
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* on a device that does not support medium removals.
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*/
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if (removable) {
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if (task->status != SCSI_STATUS_GOOD) {
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printf("[FAILED]\n");
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printf("PREVENTALLOW 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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}
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scsi_free_scsi_task(task);
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printf("[OK]\n");
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test2:
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printf("Try to eject the media ... ");
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task = iscsi_startstopunit_sync(iscsi, lun, 1, 0, 0, 0, 1, 0);
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if (task == NULL) {
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printf("[FAILED]\n");
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printf("Failed to send STARTSTOPUNIT 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_CHECK_CONDITION
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|| task->sense.key != SCSI_SENSE_ILLEGAL_REQUEST
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|| task->sense.ascq != SCSI_SENSE_ASCQ_MEDIUM_REMOVAL_PREVENTED) {
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printf("[FAILED]\n");
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printf("STARTSTOPUNIT command should have failed with ILLEGAL_REQUEST/MEDIUM_REMOVAL_PREVENTED with : 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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scsi_free_scsi_task(task);
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printf("Eject failed. [OK]\n");
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test3:
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printf("Send a Cold Reset to the target ... ");
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iscsi_task_mgmt_target_cold_reset_async(iscsi, mgmt_cb, &mgmt_task);
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while (mgmt_task.finished == 0) {
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pfd.fd = iscsi_get_fd(iscsi);
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pfd.events = iscsi_which_events(iscsi);
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if (poll(&pfd, 1, -1) < 0) {
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printf("Poll failed");
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goto test4;
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}
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if (iscsi_service(iscsi, pfd.revents) < 0) {
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printf("iscsi_service failed with : %s\n", iscsi_get_error(iscsi));
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break;
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}
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}
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if (mgmt_task.status != 0) {
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printf("[FAILED]\n");
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printf("Failed to reset the target\n");
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goto test4;
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}
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printf("[OK]\n");
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again:
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task = iscsi_testunitready_sync(iscsi, lun);
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if (task == NULL) {
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printf("[FAILED]\n");
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printf("Failed to send TESTUNITREADY command: %s\n", iscsi_get_error(iscsi));
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ret++;
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goto finished;
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}
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if (task->status != SCSI_STATUS_GOOD) {
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scsi_free_scsi_task(task);
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goto again;
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}
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scsi_free_scsi_task(task);
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test4:
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printf("Try to eject the media ... ");
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task = iscsi_startstopunit_sync(iscsi, lun, 1, 0, 0, 0, 1, 0);
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if (task == NULL) {
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printf("[FAILED]\n");
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printf("Failed to send STARTSTOPUNIT command: %s\n", iscsi_get_error(iscsi));
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ret++;
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goto test5;
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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("STARTSTOPUNIT command should have worked but it 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 test5;
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}
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scsi_free_scsi_task(task);
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printf("[OK]\n");
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test5:
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printf("Load the media again in case it was ejected ... ");
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task = iscsi_startstopunit_sync(iscsi, lun, 1, 0, 0, 0, 1, 1);
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if (task == NULL) {
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printf("[FAILED]\n");
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printf("Failed to send STARTSTOPUNIT command: %s\n", iscsi_get_error(iscsi));
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ret++;
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goto test6;
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}
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/* SBC doesnt really say anything about whether we can LOAD media when the prevent
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* flag is set
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*/
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scsi_free_scsi_task(task);
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printf("[OK]\n");
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test6:
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printf("Clear the PREVENTALLOW again ... ");
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task = iscsi_preventallow_sync(iscsi, lun, 0);
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if (task == NULL) {
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printf("[FAILED]\n");
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printf("Failed to send PREVENTALLOW command: %s\n", iscsi_get_error(iscsi));
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ret++;
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goto test7;
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}
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/* SPC doesnt really say anything about what should happen if using PREVENTALLOW
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* on a device that does not support medium removals.
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*/
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if (removable) {
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if (task->status != SCSI_STATUS_GOOD) {
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printf("[FAILED]\n");
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printf("PREVENTALLOW 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 test7;
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}
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}
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scsi_free_scsi_task(task);
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printf("[OK]\n");
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test7:
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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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