void
test_writeverify10_residuals(void)
{
        struct scsi_task *task_ret;
        unsigned char buf[10000];
        struct iscsi_data data;
        int ok;
        unsigned int i;

        logging(LOG_VERBOSE, LOG_BLANK_LINE);
        logging(LOG_VERBOSE, "Test WRITEVERIFY10 commands with residuals");
        logging(LOG_VERBOSE, "Block size is %zu", block_size);

        CHECK_FOR_DATALOSS;
        CHECK_FOR_SBC;

        if (sd->iscsi_ctx == NULL) {
                const char *err = "[SKIPPED] This WRITEVERIFY10 test is only "
                        "supported for iSCSI backends";
                logging(LOG_NORMAL, "%s", err);
                CU_PASS(err);
                return;
        }

        /* check if writeverify10 is supported */
        WRITEVERIFY10(sd, 0, 0, block_size, 0, 0, 0, 0, NULL,
                      EXPECT_STATUS_GOOD);

        /* Try a writeverify10 of 1 block but xferlength == 0 */
        task = malloc(sizeof(struct scsi_task));
        CU_ASSERT_PTR_NOT_NULL_FATAL(task);

        memset(task, 0, sizeof(struct scsi_task));
        task->cdb[0] = SCSI_OPCODE_WRITE_VERIFY10;
        task->cdb[1] = 2; /* BYTCHK = 1 */
        task->cdb[8] = 1;
        task->cdb_size = 10;
        task->xfer_dir = SCSI_XFER_WRITE;
        task->expxferlen = 0;

        /*
         * we don't want autoreconnect since some targets will drop the session
         * on this condition.
         */
        iscsi_set_noautoreconnect(sd->iscsi_ctx, 1);

        logging(LOG_VERBOSE, "Try writing one block but with iSCSI expected transfer length==0");

        task_ret = iscsi_scsi_command_sync(sd->iscsi_ctx, sd->iscsi_lun, task, NULL);
        CU_ASSERT_PTR_NOT_NULL_FATAL(task_ret);
        CU_ASSERT_NOT_EQUAL(task->status, SCSI_STATUS_CANCELLED); /* XXX redundant? */

        if (task->status        == SCSI_STATUS_CHECK_CONDITION
            && task->sense.key  == SCSI_SENSE_ILLEGAL_REQUEST
            && task->sense.ascq == SCSI_SENSE_ASCQ_INVALID_OPERATION_CODE) {
                logging(LOG_NORMAL, "[SKIPPED] WRITEVERIFY10 is not implemented.");
                CU_PASS("WRITEVERIFY10 is not implemented.");
                return;
        }        
        logging(LOG_VERBOSE, "Verify that the target returned SUCCESS");
        if (task->status != SCSI_STATUS_GOOD) {
                logging(LOG_VERBOSE, "[FAILED] Target returned error %s",
                        iscsi_get_error(sd->iscsi_ctx));
        }
        CU_ASSERT_EQUAL(task->status, SCSI_STATUS_GOOD);

        logging(LOG_VERBOSE, "Verify residual overflow flag is set");
        if (task->residual_status != SCSI_RESIDUAL_OVERFLOW) {
                logging(LOG_VERBOSE, "[FAILED] Target did not set residual "
                        "overflow flag");
        }
        CU_ASSERT_EQUAL(task->residual_status, SCSI_RESIDUAL_OVERFLOW);

        logging(LOG_VERBOSE, "Verify we got %zu bytes of residual overflow",
                block_size);
        if (task->residual != block_size) {
                logging(LOG_VERBOSE, "[FAILED] Target did not set correct "
                        "amount of residual. Expected %zu but got %zu.",
                        block_size, task->residual);
        }
        CU_ASSERT_EQUAL(task->residual, block_size);
        scsi_free_scsi_task(task);
        task = NULL;

        /* in case the previous test failed the session */
        iscsi_set_noautoreconnect(sd->iscsi_ctx, 0);


        logging(LOG_VERBOSE, "Try writing one block but with iSCSI expected transfer length==10000");
        task = malloc(sizeof(struct scsi_task));
        CU_ASSERT_PTR_NOT_NULL_FATAL(task);

        memset(task, 0, sizeof(struct scsi_task));
        task->cdb[0] = SCSI_OPCODE_WRITE_VERIFY10;
        task->cdb[1] = 2; /* BYTCHK = 1 */
        task->cdb[8] = 1;
        task->cdb_size = 10;
        task->xfer_dir = SCSI_XFER_WRITE;
        task->expxferlen = 10000;

        memset(buf, 0xa6, sizeof(buf));
        data.size = task->expxferlen;
        data.data = &buf[0];
        task_ret = iscsi_scsi_command_sync(sd->iscsi_ctx, sd->iscsi_lun, task, &data);
        CU_ASSERT_PTR_NOT_NULL_FATAL(task_ret);

        logging(LOG_VERBOSE, "Verify that the target returned SUCCESS");
        if (task->status != SCSI_STATUS_GOOD) {
                logging(LOG_VERBOSE, "[FAILED] Target returned error %s",
                        iscsi_get_error(sd->iscsi_ctx));
        }
        CU_ASSERT_EQUAL(task->status, SCSI_STATUS_GOOD);

        logging(LOG_VERBOSE, "Verify residual underflow flag is set");
        if (task->residual_status != SCSI_RESIDUAL_UNDERFLOW) {
                logging(LOG_VERBOSE, "[FAILED] Target did not set residual "
                        "underflow flag");
        }
        CU_ASSERT_EQUAL(task->residual_status, SCSI_RESIDUAL_UNDERFLOW);

        logging(LOG_VERBOSE, "Verify we got %zu bytes of residual underflow",
                10000 - block_size);
        if (task->residual != 10000 - block_size) {
                logging(LOG_VERBOSE, "[FAILED] Target did not set correct "
                        "amount of residual. Expected %zu but got %zu.",
                        10000 - block_size, task->residual);
        }
        CU_ASSERT_EQUAL(task->residual, 10000 - block_size);
        scsi_free_scsi_task(task);
        task = NULL;


        logging(LOG_VERBOSE, "Try writing one block but with iSCSI expected transfer length==200");
        task = malloc(sizeof(struct scsi_task));
        CU_ASSERT_PTR_NOT_NULL_FATAL(task);

        memset(task, 0, sizeof(struct scsi_task));
        task->cdb[0] = SCSI_OPCODE_WRITE_VERIFY10;
        task->cdb[1] = 2; /* BYTCHK = 1 */
        task->cdb[8] = 1;
        task->cdb_size = 10;
        task->xfer_dir = SCSI_XFER_WRITE;
        task->expxferlen = 200;

        data.size = task->expxferlen;
        data.data = &buf[0];
        task_ret = iscsi_scsi_command_sync(sd->iscsi_ctx, sd->iscsi_lun, task, &data);
        CU_ASSERT_PTR_NOT_NULL_FATAL(task_ret);

        logging(LOG_VERBOSE, "Verify that the target returned SUCCESS");
        ok = task->status == SCSI_STATUS_GOOD ||
                (task->status == SCSI_STATUS_CHECK_CONDITION &&
                 task->sense.key == SCSI_SENSE_ILLEGAL_REQUEST &&
                 task->sense.ascq == SCSI_SENSE_ASCQ_INVALID_FIELD_IN_INFORMATION_UNIT);
        if (!ok) {
                logging(LOG_VERBOSE, "[FAILED] Target returned error %s",
                        iscsi_get_error(sd->iscsi_ctx));
        }
        CU_ASSERT(ok);

        logging(LOG_VERBOSE, "Verify residual overflow flag is set");
        if (task->residual_status != SCSI_RESIDUAL_OVERFLOW) {
                logging(LOG_VERBOSE, "[FAILED] Target did not set residual "
                        "overflow flag");
        }
        CU_ASSERT_EQUAL(task->residual_status, SCSI_RESIDUAL_OVERFLOW);

        logging(LOG_VERBOSE, "Verify we got %zu bytes of residual overflow",
                block_size - 200);
        if (task->residual != block_size - 200) {
                logging(LOG_VERBOSE, "[FAILED] Target did not set correct "
                        "amount of residual. Expected %zu but got %zu.",
                        block_size - 200, task->residual);
        }
        CU_ASSERT_EQUAL(task->residual, block_size - 200);

        scsi_free_scsi_task(task);
        task = NULL;



        logging(LOG_VERBOSE, "Try writing two blocks but iSCSI expected "
                "transfer length==%zu (==one block)", block_size);
        task = malloc(sizeof(struct scsi_task));
        CU_ASSERT_PTR_NOT_NULL_FATAL(task);

        memset(task, 0, sizeof(struct scsi_task));
        task->cdb[0] = SCSI_OPCODE_WRITE_VERIFY10;
        task->cdb[1] = 2; /* BYTCHK = 1 */
        task->cdb[8] = 2;
        task->cdb_size = 10;
        task->xfer_dir = SCSI_XFER_WRITE;
        task->expxferlen = block_size;

        data.size = task->expxferlen;
        data.data = &buf[0];
        task_ret = iscsi_scsi_command_sync(sd->iscsi_ctx, sd->iscsi_lun, task, &data);
        CU_ASSERT_PTR_NOT_NULL_FATAL(task_ret);

        logging(LOG_VERBOSE, "Verify that the target returned SUCCESS");
        if (task->status != SCSI_STATUS_GOOD) {
                logging(LOG_VERBOSE, "[FAILED] Target returned error %s",
                        iscsi_get_error(sd->iscsi_ctx));
        }
        CU_ASSERT_EQUAL(task->status, SCSI_STATUS_GOOD);

        logging(LOG_VERBOSE, "Verify residual overflow flag is set");
        if (task->residual_status != SCSI_RESIDUAL_OVERFLOW) {
                logging(LOG_VERBOSE, "[FAILED] Target did not set residual "
                        "overflow flag");
        }
        CU_ASSERT_EQUAL(task->residual_status, SCSI_RESIDUAL_OVERFLOW);

        logging(LOG_VERBOSE, "Verify we got one block of residual overflow");
        if (task->residual != block_size) {
                logging(LOG_VERBOSE, "[FAILED] Target did not set correct "
                        "amount of residual. Expected %zu but got %zu.",
                        block_size, task->residual);
        }
        CU_ASSERT_EQUAL(task->residual, block_size);

        scsi_free_scsi_task(task);
        task = NULL;




        logging(LOG_VERBOSE, "Verify that if iSCSI EDTL > SCSI TL then we only write SCSI TL amount of data");

        logging(LOG_VERBOSE, "Write two blocks of 'a'");
        memset(buf, 'a', 10000);
        WRITE10(sd, 0, 2 * block_size, block_size, 0, 0, 0, 0, 0, buf,
                EXPECT_STATUS_GOOD);

        logging(LOG_VERBOSE, "Write one block of 'b' but set iSCSI EDTL to 2 blocks.");
        task = malloc(sizeof(struct scsi_task));
        CU_ASSERT_PTR_NOT_NULL_FATAL(task);

        memset(buf, 'b', 10000);

        memset(task, 0, sizeof(struct scsi_task));
        task->cdb[0] = SCSI_OPCODE_WRITE_VERIFY10;
        task->cdb[1] = 2; /* BYTCHK = 1 */
        task->cdb[8] = 1;
        task->cdb_size = 10;
        task->xfer_dir = SCSI_XFER_WRITE;
        task->expxferlen = 2 * block_size;

        data.size = task->expxferlen;
        data.data = &buf[0];
        task_ret = iscsi_scsi_command_sync(sd->iscsi_ctx, sd->iscsi_lun, task, &data);
        CU_ASSERT_PTR_NOT_NULL_FATAL(task_ret);

        logging(LOG_VERBOSE, "Verify that the target returned SUCCESS");
        if (task->status != SCSI_STATUS_GOOD) {
                logging(LOG_VERBOSE, "[FAILED] Target returned error %s",
                        iscsi_get_error(sd->iscsi_ctx));
        }
        CU_ASSERT_EQUAL(task->status, SCSI_STATUS_GOOD);

        logging(LOG_VERBOSE, "Verify residual underflow flag is set");
        if (task->residual_status != SCSI_RESIDUAL_UNDERFLOW) {
                logging(LOG_VERBOSE, "[FAILED] Target did not set residual "
                        "underflow flag");
        }
        CU_ASSERT_EQUAL(task->residual_status, SCSI_RESIDUAL_UNDERFLOW);

        logging(LOG_VERBOSE, "Verify we got one block of residual underflow");
        if (task->residual != block_size) {
                logging(LOG_VERBOSE, "[FAILED] Target did not set correct "
                        "amount of residual. Expected %zu but got %zu.",
                        block_size, task->residual);
        }
        CU_ASSERT_EQUAL(task->residual, block_size);
        scsi_free_scsi_task(task);
        task = NULL;

        logging(LOG_VERBOSE, "Read the two blocks");
        READ10(sd, NULL, 0, 2* block_size, block_size, 0, 0, 0, 0, 0, buf,
               EXPECT_STATUS_GOOD);

        logging(LOG_VERBOSE, "Verify that the first block was changed to 'b'");
        for (i = 0; i < block_size; i++) {
                if (buf[i] != 'b') {
                        logging(LOG_NORMAL, "First block did not contain expected 'b'");
                        CU_FAIL("Block was not written correctly");
                        break;
                }
        }

        logging(LOG_VERBOSE, "Verify that the second block was NOT overwritten and still contains 'a'");
        for (i = block_size; i < 2 * block_size; i++) {
                if (buf[i] != 'a') {
                        logging(LOG_NORMAL, "Second block was overwritten and no longer contain 'a'");
                        CU_FAIL("Second block was incorrectly overwritten");
                        break;
                }
        }


        logging(LOG_VERBOSE, "Verify that if iSCSI EDTL < SCSI TL then we only write iSCSI EDTL amount of data");

        logging(LOG_VERBOSE, "Write two blocks of 'a'");
        memset(buf, 'a', 10000);
        WRITE10(sd, 0, 2 * block_size, block_size, 0, 0, 0, 0, 0, buf,
                EXPECT_STATUS_GOOD);

        logging(LOG_VERBOSE, "Write two blocks of 'b' but set iSCSI EDTL to 1 blocks.");
        task = malloc(sizeof(struct scsi_task));
        CU_ASSERT_PTR_NOT_NULL_FATAL(task);

        memset(buf, 'b', 10000);

        memset(task, 0, sizeof(struct scsi_task));
        task->cdb[0] = SCSI_OPCODE_WRITE_VERIFY10;
        task->cdb[1] = 2; /* BYTCHK = 1 */
        task->cdb[8] = 2;
        task->cdb_size = 10;
        task->xfer_dir = SCSI_XFER_WRITE;
        task->expxferlen = block_size;

        data.size = task->expxferlen;
        data.data = &buf[0];
        task_ret = iscsi_scsi_command_sync(sd->iscsi_ctx, sd->iscsi_lun, task, &data);
        CU_ASSERT_PTR_NOT_NULL_FATAL(task_ret);

        logging(LOG_VERBOSE, "Verify that the target returned SUCCESS");
        if (task->status != SCSI_STATUS_GOOD) {
                logging(LOG_VERBOSE, "[FAILED] Target returned error %s",
                        iscsi_get_error(sd->iscsi_ctx));
        }
        CU_ASSERT_EQUAL(task->status, SCSI_STATUS_GOOD);

        logging(LOG_VERBOSE, "Verify residual overflow flag is set");
        if (task->residual_status != SCSI_RESIDUAL_OVERFLOW) {
                logging(LOG_VERBOSE, "[FAILED] Target did not set residual "
                        "overflow flag");
        }
        CU_ASSERT_EQUAL(task->residual_status, SCSI_RESIDUAL_OVERFLOW);

        logging(LOG_VERBOSE, "Verify we got one block of residual overflow");
        if (task->residual != block_size) {
                logging(LOG_VERBOSE, "[FAILED] Target did not set correct "
                        "amount of residual. Expected %zu but got %zu.",
                        block_size, task->residual);
        }
        CU_ASSERT_EQUAL(task->residual, block_size);
        scsi_free_scsi_task(task);
        task = NULL;

        logging(LOG_VERBOSE, "Read the two blocks");
        READ10(sd, NULL, 0, 2* block_size, block_size, 0, 0, 0, 0, 0, buf,
               EXPECT_STATUS_GOOD);

        logging(LOG_VERBOSE, "Verify that the first block was changed to 'b'");
        for (i = 0; i < block_size; i++) {
                if (buf[i] != 'b') {
                        logging(LOG_NORMAL, "First block did not contain expected 'b'");
                        CU_FAIL("Block was not written correctly");
                        break;
                }
        }

        logging(LOG_VERBOSE, "Verify that the second block was NOT overwritten and still contains 'a'");
        for (i = block_size; i < 2 * block_size; i++) {
                if (buf[i] != 'a') {
                        logging(LOG_NORMAL, "Second block was overwritten and no longer contain 'a'");
                        CU_FAIL("Second block was incorrectly overwritten");
                        break;
                }
        }
}
Exemplo n.º 2
0
int T0103_read10_rdprotect(const char *initiator, const char *url, int data_loss _U_, int show_info)
{ 
	struct iscsi_context *iscsi;
	struct scsi_task *task;
	int full_size;
	struct scsi_inquiry_standard *inq;
	int ret, i, lun;

	printf("0103_read10_rdprotect:\n");
	printf("======================\n");
	if (show_info) {
		printf("Test how READ10 handles the rdprotect bits\n");
		printf("1, Any non-zero valued for rdprotect should fail.\n");
		printf("\n");
		return 0;
	}

	iscsi = iscsi_context_login(initiator, url, &lun);
	if (iscsi == NULL) {
		printf("Failed to login to target\n");
		return -1;
	}

	/* See how big this inquiry data is */
	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;
	}
	full_size = scsi_datain_getfullsize(task);
	if (full_size > task->datain.size) {
		scsi_free_scsi_task(task);

		/* we need more data for the full list */
		if ((task = iscsi_inquiry_sync(iscsi, lun, 0, 0, full_size)) == NULL) {
			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->periperal_device_type != SCSI_INQUIRY_PERIPHERAL_DEVICE_TYPE_DIRECT_ACCESS) {
		printf("LUN is not SBC device. Skipping test\n");
		scsi_free_scsi_task(task);
		return -1;
	}

	if (inq->protect) {
		printf("LUN is formatted with protection information. Skipping test\n");
		scsi_free_scsi_task(task);
		return -1;
	}

	scsi_free_scsi_task(task);


	ret = 0;

	/* Try out Different non-zero values for RDPROTECT. They should all fail */
	printf("Read10 with non-zero RDPROTECT ... ");
	for (i = 1; i < 8; i++) {

		task = malloc(sizeof(struct scsi_task));

		if (task == NULL) {
			printf("Failed to allocate task structure\n");
			ret = -1;
			goto finished;
		}

		memset(task, 0, sizeof(struct scsi_task));
		task->cdb[0] = SCSI_OPCODE_READ10;
		task->cdb[1] = (i<<5)&0xe0;
		task->cdb[8] = 1;
		task->cdb_size = 10;
		task->xfer_dir = SCSI_XFER_READ;
		task->expxferlen = 512;

		if (iscsi_scsi_command_sync(iscsi, lun, task, NULL) == NULL) {
		        printf("[FAILED]\n");
			printf("Failed to send read10 command: %s\n", iscsi_get_error(iscsi));
			ret = -1;
			scsi_free_scsi_task(task);
			goto finished;
		}
		if (task->status        != SCSI_STATUS_CHECK_CONDITION
		    || task->sense.key  != SCSI_SENSE_ILLEGAL_REQUEST
		    || task->sense.ascq != SCSI_SENSE_ASCQ_INVALID_FIELD_IN_CDB) {
		        printf("[FAILED]\n");
			printf("Read10 with rdprotect should fail with ILLEGAL REQUEST/INVALID OPCODE\n");
			ret = -1;
			scsi_free_scsi_task(task);
			goto finished;
		}
		scsi_free_scsi_task(task);
	}
	printf("[OK]\n");


finished:
	iscsi_logout_sync(iscsi);
	iscsi_destroy_context(iscsi);
	return ret;
}
int T0161_readcapacity16_alloclen(const char *initiator, const char *url, int data_loss _U_, int show_info)
{ 
	struct iscsi_context *iscsi;
	struct scsi_task *task;
	struct iscsi_data data;
	int ret, lun;

	printf("0161_readcapacity16_alloclen:\n");
	printf("=======================\n");
	if (show_info) {
		printf("Test allocation-length for READCAPACITY16\n");
		printf("1, Readcapacity with alloclen==0 is not an error\n");
		printf("\n");
		return 0;
	}

	iscsi = iscsi_context_login(initiator, url, &lun);
	if (iscsi == NULL) {
		printf("Failed to login to target\n");
		return -1;
	}

	ret = 0;


	printf("READCAPACITY16 with AllocationLength==0 ... ");

	task = malloc(sizeof(struct scsi_task));
	if (task == NULL) {
		printf("Failed to allocate task structure\n");
		ret = -1;
		goto finished;
	}

	memset(task, 0, sizeof(struct scsi_task));
	task->cdb[0] = 0x9e;
	task->cdb[1] = 0x10;
	task->cdb_size = 16;
	task->xfer_dir = SCSI_XFER_NONE;
	task->expxferlen = 0;

	if (iscsi_scsi_command_sync(iscsi, lun, task, NULL) == NULL) {
	        printf("[FAILED]\n");
		printf("Failed to send READCAPACITY16 command: %s\n", iscsi_get_error(iscsi));
		ret = -1;

		goto test2;
	}
	if (task->status != SCSI_STATUS_GOOD) {
	        printf("[FAILED]\n");
		printf("READCAPACITY16 with AllocationLength==0 should not fail. Sense:%s\n", iscsi_get_error(iscsi));
		ret = -1;
		scsi_free_scsi_task(task);
		goto test2;
	}
	scsi_free_scsi_task(task);
	printf("[OK]\n");


test2:

finished:
	iscsi_logout_sync(iscsi);
	iscsi_destroy_context(iscsi);
	return ret;
}