149 lines
4.1 KiB
C
149 lines
4.1 KiB
C
/*
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Copyright (C) 2010 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 "iscsi.h"
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#include "scsi-lowlevel.h"
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#include "iscsi-test.h"
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int T0102_read10_0blocks(const char *initiator, const char *url)
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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_readcapacity10 *rc10;
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int ret, lun;
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uint32_t block_size, num_blocks;
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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_readcapacity10_sync(iscsi, lun, 0, 0);
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if (task == NULL) {
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printf("Failed to send readcapacity10 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("Readcapacity 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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rc10 = scsi_datain_unmarshall(task);
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if (rc10 == NULL) {
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printf("failed to unmarshall readcapacity10 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 = rc10->block_size;
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num_blocks = rc10->lba;
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scsi_free_scsi_task(task);
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ret = 0;
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/* read10 0 blocks one block at lba 0 */
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printf("Reading 0 blocks at lba:0 ... ");
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task = iscsi_read10_sync(iscsi, lun, 0, 0, block_size);
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if (task == NULL) {
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printf("[FAILED]\n");
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printf("Failed to send read10 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("[FAILED]\n");
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printf("Read10 of 0 at lba:0 failed with sense.\n");
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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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scsi_free_scsi_task(task);
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printf("[OK]\n");
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/* read10 0 blocks one block beyond the eol */
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printf("Reading 0 blocks at one block beyond end ... ");
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task = iscsi_read10_sync(iscsi, lun, num_blocks + 1, 0, block_size);
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if (task == NULL) {
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printf("[FAILED]\n");
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printf("Failed to send read10 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("[FAILED]\n");
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printf("Read10 of 0 one block beyond end-of-lun failed with sense.\n");
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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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scsi_free_scsi_task(task);
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printf("[OK]\n");
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/* read10 0 blocks two blocks beyond the eol */
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printf("Reading 0 blocks at two blocks beyond end ... ");
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task = iscsi_read10_sync(iscsi, lun, num_blocks + 1, 0, block_size);
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if (task == NULL) {
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printf("[FAILED]\n");
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printf("Failed to send read10 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("[FAILED]\n");
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printf("Read10 of 0 two blocks beyond end-of-lun failed with sense.\n");
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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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scsi_free_scsi_task(task);
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printf("[OK]\n");
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/* read10 0 at lba -1 */
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printf("Reading 0 blocks at lba:-1 ... ");
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task = iscsi_read10_sync(iscsi, lun, 0xffffff, 0, block_size);
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if (task == NULL) {
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printf("[FAILED]\n");
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printf("Failed to send read10 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("[FAILED]\n");
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printf("Read10 of 0 at lba:-1 failed with sense.\n");
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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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scsi_free_scsi_task(task);
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printf("[OK]\n");
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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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