242 lines
9.5 KiB
C
242 lines
9.5 KiB
C
/*
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Copyright (C) 2013 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 <stdlib.h>
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#include <string.h>
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#include <CUnit/CUnit.h>
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#include "iscsi.h"
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#include "iscsi-private.h"
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#include "scsi-lowlevel.h"
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#include "iscsi-test-cu.h"
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void
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test_read12_residuals(void)
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{
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struct scsi_task *task_ret;
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logging(LOG_VERBOSE, LOG_BLANK_LINE);
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logging(LOG_VERBOSE, "Test READ12 commands with residuals");
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logging(LOG_VERBOSE, "Block size is %zu", block_size);
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if (sd->iscsi_ctx == NULL) {
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const char *err = "[SKIPPED] This READ12 test is only "
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"supported for iSCSI backends";
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logging(LOG_NORMAL, "%s", err);
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CU_PASS(err);
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return;
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}
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task = malloc(sizeof(struct scsi_task));
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CU_ASSERT_PTR_NOT_NULL_FATAL(task);
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memset(task, 0, sizeof(struct scsi_task));
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task->cdb[0] = SCSI_OPCODE_READ12;
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task->cdb[9] = 1;
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task->cdb_size = 12;
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task->xfer_dir = SCSI_XFER_READ;
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task->expxferlen = 0;
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/*
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* we don't want autoreconnect since some targets will drop the session
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* on this condition.
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*/
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iscsi_set_noautoreconnect(sd->iscsi_ctx, 1);
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logging(LOG_VERBOSE, "Try reading one block but with iSCSI expected transfer length==0");
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task_ret = iscsi_scsi_command_sync(sd->iscsi_ctx, sd->iscsi_lun, task, NULL);
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CU_ASSERT_PTR_NOT_NULL_FATAL(task_ret);
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CU_ASSERT_NOT_EQUAL(task->status, SCSI_STATUS_CANCELLED); /* XXX redundant? */
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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_INVALID_OPERATION_CODE) {
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logging(LOG_NORMAL, "[SKIPPED] READ12 is not implemented on this target.");
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CU_PASS("READ12 is not implemented.");
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return;
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}
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logging(LOG_VERBOSE, "Verify that the target returned SUCCESS");
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if (task->status != SCSI_STATUS_GOOD) {
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logging(LOG_VERBOSE, "[FAILED] Target returned error %s",
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iscsi_get_error(sd->iscsi_ctx));
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}
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CU_ASSERT_EQUAL(task->status, SCSI_STATUS_GOOD);
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logging(LOG_VERBOSE, "Verify residual overflow flag is set");
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if (task->residual_status != SCSI_RESIDUAL_OVERFLOW) {
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logging(LOG_VERBOSE, "[FAILED] Target did not set residual "
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"overflow flag");
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}
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CU_ASSERT_EQUAL(task->residual_status, SCSI_RESIDUAL_OVERFLOW);
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logging(LOG_VERBOSE, "Verify we got %zu bytes of residual overflow",
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block_size);
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if (task->residual != block_size) {
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logging(LOG_VERBOSE, "[FAILED] Target did not set correct "
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"amount of residual. Expected %zu but got %zu.",
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block_size, task->residual);
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}
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CU_ASSERT_EQUAL(task->residual, block_size);
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scsi_free_scsi_task(task);
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task = NULL;
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/* in case the previous test failed the session */
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iscsi_set_noautoreconnect(sd->iscsi_ctx, 0);
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logging(LOG_VERBOSE, "Try reading one block but with iSCSI expected transfer length==10000");
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task = malloc(sizeof(struct scsi_task));
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CU_ASSERT_PTR_NOT_NULL_FATAL(task);
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memset(task, 0, sizeof(struct scsi_task));
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task->cdb[0] = SCSI_OPCODE_READ12;
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task->cdb[9] = 1;
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task->cdb_size = 12;
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task->xfer_dir = SCSI_XFER_READ;
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task->expxferlen = 10000;
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task_ret = iscsi_scsi_command_sync(sd->iscsi_ctx, sd->iscsi_lun, task, NULL);
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CU_ASSERT_PTR_NOT_NULL_FATAL(task_ret);
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logging(LOG_VERBOSE, "Verify that the target returned SUCCESS");
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if (task->status != SCSI_STATUS_GOOD) {
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logging(LOG_VERBOSE, "[FAILED] Target returned error %s",
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iscsi_get_error(sd->iscsi_ctx));
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}
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CU_ASSERT_EQUAL(task->status, SCSI_STATUS_GOOD);
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logging(LOG_VERBOSE, "Verify we got one whole block back from the target");
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if (task->datain.size != (int)block_size) {
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logging(LOG_VERBOSE, "[FAILED] Target returned %u bytes "
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"of data but should have returned %zu bytes.",
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task->datain.size,block_size);
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}
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CU_ASSERT_EQUAL(task->datain.size, (int)block_size);
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logging(LOG_VERBOSE, "Verify residual underflow flag 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 residual "
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"underflow flag");
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}
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CU_ASSERT_EQUAL(task->residual_status, SCSI_RESIDUAL_UNDERFLOW);
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logging(LOG_VERBOSE, "Verify we got %zu bytes of residual underflow",
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10000 - block_size);
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if (task->residual != 10000 - block_size) {
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logging(LOG_VERBOSE, "[FAILED] Target did not set correct "
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"amount of residual. Expected %zu but got %zu.",
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10000 - block_size, task->residual);
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}
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CU_ASSERT_EQUAL(task->residual, 10000 - block_size);
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scsi_free_scsi_task(task);
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task = NULL;
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logging(LOG_VERBOSE, "Try reading one block but with iSCSI expected transfer length==200");
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task = malloc(sizeof(struct scsi_task));
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CU_ASSERT_PTR_NOT_NULL_FATAL(task);
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memset(task, 0, sizeof(struct scsi_task));
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task->cdb[0] = SCSI_OPCODE_READ12;
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task->cdb[9] = 1;
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task->cdb_size = 12;
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task->xfer_dir = SCSI_XFER_READ;
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task->expxferlen = 200;
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task_ret = iscsi_scsi_command_sync(sd->iscsi_ctx, sd->iscsi_lun, task, NULL);
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CU_ASSERT_PTR_NOT_NULL_FATAL(task_ret);
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logging(LOG_VERBOSE, "Verify that the target returned SUCCESS");
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if (task->status != SCSI_STATUS_GOOD) {
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logging(LOG_VERBOSE, "[FAILED] Target returned error %s",
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iscsi_get_error(sd->iscsi_ctx));
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}
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CU_ASSERT_EQUAL(task->status, SCSI_STATUS_GOOD);
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logging(LOG_VERBOSE, "Verify we got 200 bytes back from the target");
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CU_ASSERT_EQUAL(task->datain.size, 200);
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logging(LOG_VERBOSE, "Verify residual overflow flag is set");
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if (task->residual_status != SCSI_RESIDUAL_OVERFLOW) {
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logging(LOG_VERBOSE, "[FAILED] Target did not set residual "
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"overflow flag");
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}
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CU_ASSERT_EQUAL(task->residual_status, SCSI_RESIDUAL_OVERFLOW);
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logging(LOG_VERBOSE, "Verify we got %zu bytes of residual overflow",
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block_size - 200);
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if (task->residual != block_size - 200) {
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logging(LOG_VERBOSE, "[FAILED] Target did not set correct "
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"amount of residual. Expected %zu but got %zu.",
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block_size - 200, task->residual);
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}
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CU_ASSERT_EQUAL(task->residual, block_size - 200);
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scsi_free_scsi_task(task);
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task = NULL;
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logging(LOG_VERBOSE, "Try reading two blocks but iSCSI expected "
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"transfer length==%zu (==one block)", block_size);
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task = malloc(sizeof(struct scsi_task));
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CU_ASSERT_PTR_NOT_NULL_FATAL(task);
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memset(task, 0, sizeof(struct scsi_task));
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task->cdb[0] = SCSI_OPCODE_READ12;
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task->cdb[9] = 2;
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task->cdb_size = 12;
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task->xfer_dir = SCSI_XFER_READ;
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task->expxferlen = block_size;
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task_ret = iscsi_scsi_command_sync(sd->iscsi_ctx, sd->iscsi_lun, task, NULL);
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CU_ASSERT_PTR_NOT_NULL_FATAL(task_ret);
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logging(LOG_VERBOSE, "Verify that the target returned SUCCESS");
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if (task->status != SCSI_STATUS_GOOD) {
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logging(LOG_VERBOSE, "[FAILED] Target returned error %s",
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iscsi_get_error(sd->iscsi_ctx));
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}
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CU_ASSERT_EQUAL(task->status, SCSI_STATUS_GOOD);
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logging(LOG_VERBOSE, "Verify we got one whole block back from the target");
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CU_ASSERT_EQUAL(task->datain.size, (int)block_size);
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logging(LOG_VERBOSE, "Verify residual overflow flag is set");
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if (task->residual_status != SCSI_RESIDUAL_OVERFLOW) {
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logging(LOG_VERBOSE, "[FAILED] Target did not set residual "
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"overflow flag");
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}
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CU_ASSERT_EQUAL(task->residual_status, SCSI_RESIDUAL_OVERFLOW);
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logging(LOG_VERBOSE, "Verify we got one block of residual overflow");
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if (task->residual != block_size) {
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logging(LOG_VERBOSE, "[FAILED] Target did not set correct "
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"amount of residual. Expected %zu but got %zu.",
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block_size, task->residual);
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}
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CU_ASSERT_EQUAL(task->residual, block_size);
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scsi_free_scsi_task(task);
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task = NULL;
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}
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