void write10_cb(struct iscsi_context *iscsi, int status, void *command_data, void *private_data)
{
struct write_task *wt = (struct write_task *)private_data;
struct scsi_task *task = command_data;
struct client *client = wt->client;
if (status == SCSI_STATUS_CHECK_CONDITION) {
printf("Write10 failed with sense key:%d ascq:%04x\n", task->sense.key, task->sense.ascq);
scsi_free_scsi_task(task);
exit(10);
}
if (status != SCSI_STATUS_GOOD) {
printf("Write10 failed with %s\n", iscsi_get_error(iscsi));
scsi_free_scsi_task(task);
exit(10);
}
client->in_flight--;
fill_read_queue(client);
if ((client->in_flight == 0) && (client->pos == client->src_num_blocks)) {
client->finished = 1;
}
scsi_free_scsi_task(wt->rt);
scsi_free_scsi_task(task);
free(wt);
}
static void
iscsi_aio_read10_cb(struct iscsi_context *iscsi, int status,
void *command_data, void *opaque)
{
IscsiAIOCB *acb = opaque;
trace_iscsi_aio_read10_cb(iscsi, status, acb, acb->canceled);
if (acb->canceled != 0) {
qemu_aio_release(acb);
scsi_free_scsi_task(acb->task);
acb->task = NULL;
return;
}
acb->status = 0;
if (status != 0) {
error_report("Failed to read10 data from iSCSI lun. %s",
iscsi_get_error(iscsi));
acb->status = -EIO;
}
iscsi_schedule_bh(iscsi_readv_writev_bh_cb, acb);
scsi_free_scsi_task(acb->task);
acb->task = NULL;
}
static void
iscsi_readcapacity10_cb(struct iscsi_context *iscsi, int status,
void *command_data, void *opaque)
{
struct IscsiTask *itask = opaque;
struct scsi_readcapacity10 *rc10;
struct scsi_task *task = command_data;
if (status != 0) {
error_report("iSCSI: Failed to read capacity of iSCSI lun. %s",
iscsi_get_error(iscsi));
itask->status = 1;
itask->complete = 1;
scsi_free_scsi_task(task);
return;
}
rc10 = scsi_datain_unmarshall(task);
if (rc10 == NULL) {
error_report("iSCSI: Failed to unmarshall readcapacity10 data.");
itask->status = 1;
itask->complete = 1;
scsi_free_scsi_task(task);
return;
}
itask->iscsilun->block_size = rc10->block_size;
itask->iscsilun->num_blocks = rc10->lba;
itask->bs->total_sectors = (uint64_t)rc10->lba *
rc10->block_size / BDRV_SECTOR_SIZE ;
itask->status = 0;
itask->complete = 1;
scsi_free_scsi_task(task);
}
void list_luns(const char *target, const char *portal)
{
struct iscsi_context *iscsi;
struct scsi_task *task;
struct scsi_reportluns_list *list;
int full_report_size;
int i;
iscsi = iscsi_create_context(initiator);
if (iscsi == NULL) {
printf("Failed to create context\n");
exit(10);
}
if (iscsi_set_targetname(iscsi, target)) {
fprintf(stderr, "Failed to set target name\n");
exit(10);
}
iscsi_set_session_type(iscsi, ISCSI_SESSION_NORMAL);
iscsi_set_header_digest(iscsi, ISCSI_HEADER_DIGEST_NONE_CRC32C);
if (iscsi_connect_sync(iscsi, portal) != 0) {
printf("iscsi_connect failed. %s\n", iscsi_get_error(iscsi));
exit(10);
}
if (iscsi_login_sync(iscsi) != 0) {
fprintf(stderr, "login failed :%s\n", iscsi_get_error(iscsi));
exit(10);
}
/* get initial reportluns data, all targets can report 16 bytes but some
* fail if we ask for too much.
*/
if ((task = iscsi_reportluns_sync(iscsi, 0, 16)) == NULL) {
fprintf(stderr, "reportluns failed : %s\n", iscsi_get_error(iscsi));
exit(10);
}
full_report_size = scsi_datain_getfullsize(task);
if (full_report_size > task->datain.size) {
scsi_free_scsi_task(task);
/* we need more data for the full list */
if ((task = iscsi_reportluns_sync(iscsi, 0, full_report_size)) == NULL) {
fprintf(stderr, "reportluns failed : %s\n", iscsi_get_error(iscsi));
exit(10);
}
}
list = scsi_datain_unmarshall(task);
if (list == NULL) {
fprintf(stderr, "failed to unmarshall reportluns datain blob\n");
exit(10);
}
for (i=0; i < (int)list->num; i++) {
show_lun(iscsi, list->luns[i]);
}
scsi_free_scsi_task(task);
iscsi_destroy_context(iscsi);
}
void do_inquiry(struct iscsi_context *iscsi, int lun, int evpd, int pc)
{
struct scsi_task *task;
int full_size;
void *inq;
/* See how big this inquiry data is */
task = iscsi_inquiry_sync(iscsi, lun, evpd, pc, 64);
if (task == NULL || task->status != SCSI_STATUS_GOOD) {
fprintf(stderr, "Inquiry command failed : %s\n", iscsi_get_error(iscsi));
exit(10);
}
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, evpd, pc, full_size)) == NULL) {
fprintf(stderr, "Inquiry command failed : %s\n", iscsi_get_error(iscsi));
exit(10);
}
}
inq = scsi_datain_unmarshall(task);
if (inq == NULL) {
fprintf(stderr, "failed to unmarshall inquiry datain blob\n");
exit(10);
}
if (evpd == 0) {
inquiry_standard(inq);
} else {
switch (pc) {
case SCSI_INQUIRY_PAGECODE_SUPPORTED_VPD_PAGES:
inquiry_supported_pages(inq);
break;
case SCSI_INQUIRY_PAGECODE_UNIT_SERIAL_NUMBER:
inquiry_unit_serial_number(inq);
break;
case SCSI_INQUIRY_PAGECODE_DEVICE_IDENTIFICATION:
inquiry_device_identification(inq);
break;
case SCSI_INQUIRY_PAGECODE_BLOCK_LIMITS:
inquiry_block_limits(inq);
break;
case SCSI_INQUIRY_PAGECODE_BLOCK_DEVICE_CHARACTERISTICS:
inquiry_block_device_characteristics(inq);
break;
case SCSI_INQUIRY_PAGECODE_LOGICAL_BLOCK_PROVISIONING:
inquiry_logical_block_provisioning(inq);
break;
default:
fprintf(stderr, "Usupported pagecode:0x%02x\n", pc);
}
}
scsi_free_scsi_task(task);
}
void
test_report_supported_opcodes_servactv(void)
{
int i, ret;
struct scsi_task *rso_task;
struct scsi_report_supported_op_codes *rsoc;
logging(LOG_VERBOSE, LOG_BLANK_LINE);
logging(LOG_VERBOSE, "Test READ_SUPPORTED_OPCODES SERVACTV flag");
ret = report_supported_opcodes(
sd, &rso_task,
0, SCSI_REPORT_SUPPORTING_OPS_ALL, 0, 0,
65535,
EXPECT_STATUS_GOOD);
if (ret == -2) {
logging(LOG_NORMAL, "[SKIPPED] READ_SUPPORTED_OPCODES is not "
"implemented.");
CU_PASS("READ_SUPPORTED_OPCODES is not implemented.");
scsi_free_scsi_task(rso_task);
return;
}
CU_ASSERT_EQUAL(ret, 0);
if (ret != 0) {
scsi_free_scsi_task(rso_task);
return;
}
logging(LOG_VERBOSE, "Unmarshall the DATA-IN buffer");
rsoc = scsi_datain_unmarshall(rso_task);
CU_ASSERT_NOT_EQUAL(rsoc, NULL);
if (!rsoc) {
logging(LOG_NORMAL, "[FAILED] Target did not return any data "
"for ReportSupportedOpcodes\n");
CU_FAIL("Target did not return any data for "
"ReportSupportedOpcodes");
return;
}
logging(LOG_VERBOSE, "Verify that when SERVACTV is clear then "
"ServiceAction must be zero.");
for (i = 0; i < rsoc->num_descriptors; i++) {
if (!rsoc->descriptors[i].servactv && rsoc->descriptors[i].sa) {
logging(LOG_NORMAL, "[FAILED] ServiceAction is "
"non-zero but SERVACTV is clear");
CU_FAIL("[FAILED] ServiceAction is "
"non-zero but SERVACTV is clear");
}
}
scsi_free_scsi_task(rso_task);
}
int T0211_read12_rdprotect(const char *initiator, const char *url)
{
struct iscsi_context *iscsi;
struct scsi_task *task;
int ret = 0, i, lun;
printf("0211_read12_rdprotect:\n");
printf("======================\n");
if (show_info) {
printf("Test how READ12 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;
}
printf("Read12 with RDPROTECT ");
for (i = 1; i <= 7; i++) {
task = iscsi_read12_sync(iscsi, lun, 0, block_size, block_size, i, 0, 0, 0, 0);
if (task == NULL) {
printf("[FAILED]\n");
printf("Failed to send read12 command: %s\n", iscsi_get_error(iscsi));
ret = -1;
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("Read12 with RDPROTECT!=0 should have failed with CHECK_CONDITION/ILLEGAL_REQUEST/INVALID_FIELD_IN_CDB\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;
}
static BlockDriverAIOCB *
iscsi_aio_readv(BlockDriverState *bs, int64_t sector_num,
QEMUIOVector *qiov, int nb_sectors,
BlockDriverCompletionFunc *cb,
void *opaque)
{
IscsiLun *iscsilun = bs->opaque;
IscsiAIOCB *acb;
acb = qemu_aio_get(&iscsi_aiocb_info, bs, cb, opaque);
trace_iscsi_aio_readv(iscsilun->iscsi, sector_num, nb_sectors, opaque, acb);
acb->nb_sectors = nb_sectors;
acb->sector_num = sector_num;
acb->iscsilun = iscsilun;
acb->qiov = qiov;
acb->read_size = BDRV_SECTOR_SIZE * (size_t)acb->nb_sectors;
acb->retries = ISCSI_CMD_RETRIES;
if (iscsi_aio_readv_acb(acb) != 0) {
if (acb->task) {
scsi_free_scsi_task(acb->task);
}
qemu_aio_release(acb);
return NULL;
}
iscsi_set_events(iscsilun);
return &acb->common;
}
static BlockDriverAIOCB *
iscsi_aio_discard(BlockDriverState *bs,
int64_t sector_num, int nb_sectors,
BlockDriverCompletionFunc *cb, void *opaque)
{
IscsiLun *iscsilun = bs->opaque;
IscsiAIOCB *acb;
acb = qemu_aio_get(&iscsi_aiocb_info, bs, cb, opaque);
acb->iscsilun = iscsilun;
acb->nb_sectors = nb_sectors;
acb->sector_num = sector_num;
acb->retries = ISCSI_CMD_RETRIES;
if (iscsi_aio_discard_acb(acb) != 0) {
if (acb->task) {
scsi_free_scsi_task(acb->task);
}
qemu_aio_release(acb);
return NULL;
}
iscsi_set_events(iscsilun);
return &acb->common;
}
static void
iscsi_unmap_cb(struct iscsi_context *iscsi, int status,
void *command_data, void *opaque)
{
IscsiAIOCB *acb = opaque;
if (acb->canceled != 0) {
return;
}
acb->status = 0;
if (status != 0) {
if (status == SCSI_STATUS_CHECK_CONDITION
&& acb->task->sense.key == SCSI_SENSE_UNIT_ATTENTION
&& acb->retries-- > 0) {
scsi_free_scsi_task(acb->task);
acb->task = NULL;
if (iscsi_aio_discard_acb(acb) == 0) {
iscsi_set_events(acb->iscsilun);
return;
}
}
error_report("Failed to unmap data on iSCSI lun. %s",
iscsi_get_error(iscsi));
acb->status = -EIO;
}
iscsi_schedule_bh(acb);
}
void read10_cb(struct iscsi_context *iscsi, int status, void *command_data, void *private_data)
{
struct client *client = (struct client *)private_data;
struct scsi_task *task = command_data;
struct write_task *wt;
if (status == SCSI_STATUS_CHECK_CONDITION) {
printf("Read10 failed with sense key:%d ascq:%04x\n", task->sense.key, task->sense.ascq);
exit(10);
}
wt = malloc(sizeof(struct write_task));
wt->rt = task;
wt->client = client;
if (iscsi_write10_task(client->dst_iscsi,
client->dst_lun,
task->params.read10.lba,
task->datain.data,
task->datain.size,
client->dst_blocksize,
0, 0, 0, 0, 0,
write10_cb, wt) == NULL) {
printf("failed to send read10 command\n");
scsi_free_scsi_task(task);
exit(10);
}
}
void
test_teardown(void)
{
free(read_write_buf);
read_write_buf = NULL;
scsi_free_scsi_task(task);
task = NULL;
}
void iscsi_free_scsi_cbdata(struct iscsi_scsi_cbdata *scsi_cbdata)
{
if (scsi_cbdata == NULL) {
return;
}
if (scsi_cbdata->task == NULL) {
scsi_free_scsi_task(scsi_cbdata->task);
scsi_cbdata->task = NULL;
}
free(scsi_cbdata);
}
ssize_t write(int fd, const void *buf, size_t count)
{
if ((iscsi_fd_list[fd].is_iscsi == 1) && (iscsi_fd_list[fd].in_flight == 0)) {
uint64_t offset;
uint64_t num_blocks, lba;
struct scsi_task *task;
if (iscsi_fd_list[fd].dup2fd >= 0) {
return write(iscsi_fd_list[fd].dup2fd, buf, count);
}
if (iscsi_fd_list[fd].offset%iscsi_fd_list[fd].block_size) {
errno = EINVAL;
return -1;
}
if (count%iscsi_fd_list[fd].block_size) {
errno = EINVAL;
return -1;
}
iscsi_fd_list[fd].lbasd_cache_valid = 0;
offset = iscsi_fd_list[fd].offset;
num_blocks = count/iscsi_fd_list[fd].block_size;
lba = offset / iscsi_fd_list[fd].block_size;
/* Don't try to read beyond the last LBA */
if (lba >= iscsi_fd_list[fd].num_blocks) {
return 0;
}
/* Trim num_blocks requested to last lba */
if ((lba + num_blocks) > iscsi_fd_list[fd].num_blocks) {
num_blocks = iscsi_fd_list[fd].num_blocks - lba;
count = num_blocks * iscsi_fd_list[fd].block_size;
}
iscsi_fd_list[fd].in_flight = 1;
LD_ISCSI_DPRINTF(4,"write16_sync: lun %d, lba %"PRIu64", num_blocks: %"PRIu64", block_size: %d, offset: %"PRIu64" count: %lu",iscsi_fd_list[fd].lun,lba,num_blocks,iscsi_fd_list[fd].block_size,offset,(unsigned long)count);
task = iscsi_write16_sync(iscsi_fd_list[fd].iscsi, iscsi_fd_list[fd].lun, lba, (unsigned char *) buf, count, iscsi_fd_list[fd].block_size, 0, 0, 0, 0, 0);
iscsi_fd_list[fd].in_flight = 0;
if (task == NULL || task->status != SCSI_STATUS_GOOD) {
LD_ISCSI_DPRINTF(0,"failed to send write16 command");
errno = EIO;
return -1;
}
iscsi_fd_list[fd].offset += count;
scsi_free_scsi_task(task);
return count;
}
return real_write(fd, buf, count);
}
static void
iscsi_bh_cb(void *p)
{
IscsiAIOCB *acb = p;
qemu_bh_delete(acb->bh);
if (acb->canceled == 0) {
acb->common.cb(acb->common.opaque, acb->status);
}
if (acb->task != NULL) {
scsi_free_scsi_task(acb->task);
acb->task = NULL;
}
qemu_aio_release(acb);
}
static void
iscsi_bh_cb(void *p)
{
IscsiAIOCB *acb = p;
qemu_bh_delete(acb->bh);
g_free(acb->buf);
acb->buf = NULL;
acb->common.cb(acb->common.opaque, acb->status);
if (acb->task != NULL) {
scsi_free_scsi_task(acb->task);
acb->task = NULL;
}
qemu_aio_unref(acb);
}
void
test_receive_copy_results_op_params(void)
{
struct scsi_task *op_task = NULL;
struct scsi_copy_results_op_params *opp;
logging(LOG_VERBOSE, LOG_BLANK_LINE);
logging(LOG_VERBOSE, "Test RECEIVE COPY RESULTS, OPERATING PARAMS");
RECEIVE_COPY_RESULTS(&op_task, sd, SCSI_COPY_RESULTS_OP_PARAMS, 0,
(void **)&opp, EXPECT_STATUS_GOOD);
logging(LOG_NORMAL,
"max_target_desc=%d, max_seg_desc=%d",
opp->max_target_desc_count,
opp->max_segment_desc_count);
scsi_free_scsi_task(op_task);
}
void
test_inquiry_supported_vpd(void)
{
int ret, i;
struct scsi_inquiry_supported_pages *sup_inq;
logging(LOG_VERBOSE, LOG_BLANK_LINE);
logging(LOG_VERBOSE, "Test INQUIRY supported VPD pages");
logging(LOG_VERBOSE, "Verify we can read the SUPPORTED VPD page");
ret = inquiry(sd, &task,
1, SCSI_INQUIRY_PAGECODE_SUPPORTED_VPD_PAGES, 255,
EXPECT_STATUS_GOOD);
CU_ASSERT_EQUAL(ret, 0);
logging(LOG_VERBOSE, "Verify we got at least 4 bytes of data");
CU_ASSERT(task->datain.size >= 4);
logging(LOG_VERBOSE, "Verify we can unmarshall the DATA-IN buffer");
sup_inq = scsi_datain_unmarshall(task);
CU_ASSERT_NOT_EQUAL(sup_inq, NULL);
if (sup_inq == NULL) {
logging(LOG_NORMAL, "[FAILED] Failed to unmarshall DATA-IN "
"buffer");
return;
}
logging(LOG_VERBOSE, "Verify we read all the supported pages");
for (i = 0; i < sup_inq->num_pages; i++) {
logging(LOG_VERBOSE, "Verify we can read page 0x%02x",
sup_inq->pages[i]);
ret = inquiry(sd, NULL, 1, sup_inq->pages[i], 255,
EXPECT_STATUS_GOOD);
CU_ASSERT_EQUAL(ret, 0);
}
if (task != NULL) {
scsi_free_scsi_task(task);
task = NULL;
}
}
int T0234_write12_beyondeol(const char *initiator, const char *url)
{
struct iscsi_context *iscsi;
struct scsi_task *task;
int ret, i, lun;
unsigned char data[4096 * 258];
printf("0234_write12_beyond_eol:\n");
printf("=======================\n");
if (show_info) {
printf("Test that WRITE12 fails if writing beyond end-of-lun.\n");
printf("This test is skipped for LUNs with more than 2^31 blocks\n");
printf("1, Writing 1-256 blocks beyond end-of-lun 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;
}
if (!data_loss) {
printf("--dataloss flag is not set. Skipping test\n");
ret = -2;
goto finished;
}
ret = 0;
if (num_blocks >= 0x80000000) {
printf("[SKIPPED]\n");
printf("LUN is too big for read-beyond-eol tests with WRITE12. Skipping test.\n");
ret = -2;
goto finished;
}
/* read 1 - 256 blocks beyond the end of the device */
printf("Writing 1-256 blocks beyond end-of-device ... ");
for (i = 2; i <= 257; i++) {
task = iscsi_write12_sync(iscsi, lun, num_blocks, data, i * block_size, block_size, 0, 0, 0, 0, 0);
if (task == NULL) {
printf("[FAILED]\n");
printf("Failed to send write12 command: %s\n", iscsi_get_error(iscsi));
ret = -1;
goto finished;
}
if (task->status == SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("Write12 command should fail when writing beyond end of device\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;
}
static int iscsi_readcapacity_sync(IscsiLun *iscsilun)
{
struct scsi_task *task = NULL;
struct scsi_readcapacity10 *rc10 = NULL;
struct scsi_readcapacity16 *rc16 = NULL;
int ret = 0;
int retries = ISCSI_CMD_RETRIES;
do {
if (task != NULL) {
scsi_free_scsi_task(task);
task = NULL;
}
switch (iscsilun->type) {
case TYPE_DISK:
task = iscsi_readcapacity16_sync(iscsilun->iscsi, iscsilun->lun);
if (task != NULL && task->status == SCSI_STATUS_GOOD) {
rc16 = scsi_datain_unmarshall(task);
if (rc16 == NULL) {
error_report("iSCSI: Failed to unmarshall readcapacity16 data.");
ret = -EINVAL;
} else {
iscsilun->block_size = rc16->block_length;
iscsilun->num_blocks = rc16->returned_lba + 1;
}
}
break;
case TYPE_ROM:
task = iscsi_readcapacity10_sync(iscsilun->iscsi, iscsilun->lun, 0, 0);
if (task != NULL && task->status == SCSI_STATUS_GOOD) {
rc10 = scsi_datain_unmarshall(task);
if (rc10 == NULL) {
error_report("iSCSI: Failed to unmarshall readcapacity10 data.");
ret = -EINVAL;
} else {
iscsilun->block_size = rc10->block_size;
if (rc10->lba == 0) {
/* blank disk loaded */
iscsilun->num_blocks = 0;
} else {
iscsilun->num_blocks = rc10->lba + 1;
}
}
}
break;
default:
return 0;
}
} while (task != NULL && task->status == SCSI_STATUS_CHECK_CONDITION
&& task->sense.key == SCSI_SENSE_UNIT_ATTENTION
&& retries-- > 0);
if (task == NULL || task->status != SCSI_STATUS_GOOD) {
error_report("iSCSI: failed to send readcapacity10 command.");
ret = -EINVAL;
}
if (task) {
scsi_free_scsi_task(task);
}
return ret;
}
static BlockDriverAIOCB *iscsi_aio_ioctl(BlockDriverState *bs,
unsigned long int req, void *buf,
BlockDriverCompletionFunc *cb, void *opaque)
{
IscsiLun *iscsilun = bs->opaque;
struct iscsi_context *iscsi = iscsilun->iscsi;
struct iscsi_data data;
IscsiAIOCB *acb;
assert(req == SG_IO);
acb = qemu_aio_get(&iscsi_aiocb_info, bs, cb, opaque);
acb->iscsilun = iscsilun;
acb->canceled = 0;
acb->bh = NULL;
acb->status = -EINPROGRESS;
acb->buf = NULL;
acb->ioh = buf;
acb->task = malloc(sizeof(struct scsi_task));
if (acb->task == NULL) {
error_report("iSCSI: Failed to allocate task for scsi command. %s",
iscsi_get_error(iscsi));
qemu_aio_release(acb);
return NULL;
}
memset(acb->task, 0, sizeof(struct scsi_task));
switch (acb->ioh->dxfer_direction) {
case SG_DXFER_TO_DEV:
acb->task->xfer_dir = SCSI_XFER_WRITE;
break;
case SG_DXFER_FROM_DEV:
acb->task->xfer_dir = SCSI_XFER_READ;
break;
default:
acb->task->xfer_dir = SCSI_XFER_NONE;
break;
}
acb->task->cdb_size = acb->ioh->cmd_len;
memcpy(&acb->task->cdb[0], acb->ioh->cmdp, acb->ioh->cmd_len);
acb->task->expxferlen = acb->ioh->dxfer_len;
data.size = 0;
if (acb->task->xfer_dir == SCSI_XFER_WRITE) {
if (acb->ioh->iovec_count == 0) {
data.data = acb->ioh->dxferp;
data.size = acb->ioh->dxfer_len;
} else {
#if defined(LIBISCSI_FEATURE_IOVECTOR)
scsi_task_set_iov_out(acb->task,
(struct scsi_iovec *) acb->ioh->dxferp,
acb->ioh->iovec_count);
#else
struct iovec *iov = (struct iovec *)acb->ioh->dxferp;
acb->buf = g_malloc(acb->ioh->dxfer_len);
data.data = acb->buf;
data.size = iov_to_buf(iov, acb->ioh->iovec_count, 0,
acb->buf, acb->ioh->dxfer_len);
#endif
}
}
if (iscsi_scsi_command_async(iscsi, iscsilun->lun, acb->task,
iscsi_aio_ioctl_cb,
(data.size > 0) ? &data : NULL,
acb) != 0) {
scsi_free_scsi_task(acb->task);
qemu_aio_release(acb);
return NULL;
}
/* tell libiscsi to read straight into the buffer we got from ioctl */
if (acb->task->xfer_dir == SCSI_XFER_READ) {
if (acb->ioh->iovec_count == 0) {
scsi_task_add_data_in_buffer(acb->task,
acb->ioh->dxfer_len,
acb->ioh->dxferp);
} else {
#if defined(LIBISCSI_FEATURE_IOVECTOR)
scsi_task_set_iov_in(acb->task,
(struct scsi_iovec *) acb->ioh->dxferp,
acb->ioh->iovec_count);
#else
int i;
for (i = 0; i < acb->ioh->iovec_count; i++) {
struct iovec *iov = (struct iovec *)acb->ioh->dxferp;
scsi_task_add_data_in_buffer(acb->task,
iov[i].iov_len,
iov[i].iov_base);
}
#endif
}
}
iscsi_set_events(iscsilun);
return &acb->common;
}
static int
iscsi_aio_readv_acb(IscsiAIOCB *acb)
{
struct iscsi_context *iscsi = acb->iscsilun->iscsi;
size_t size;
uint64_t lba;
uint32_t num_sectors;
int ret;
#if !defined(LIBISCSI_FEATURE_IOVECTOR)
int i;
#endif
acb->canceled = 0;
acb->bh = NULL;
acb->status = -EINPROGRESS;
acb->buf = NULL;
size = acb->nb_sectors * BDRV_SECTOR_SIZE;
acb->task = malloc(sizeof(struct scsi_task));
if (acb->task == NULL) {
error_report("iSCSI: Failed to allocate task for scsi READ16 "
"command. %s", iscsi_get_error(iscsi));
return -1;
}
memset(acb->task, 0, sizeof(struct scsi_task));
acb->task->xfer_dir = SCSI_XFER_READ;
acb->task->expxferlen = size;
lba = sector_qemu2lun(acb->sector_num, acb->iscsilun);
num_sectors = sector_qemu2lun(acb->nb_sectors, acb->iscsilun);
switch (acb->iscsilun->type) {
case TYPE_DISK:
acb->task->cdb_size = 16;
acb->task->cdb[0] = 0x88;
*(uint32_t *)&acb->task->cdb[2] = htonl(lba >> 32);
*(uint32_t *)&acb->task->cdb[6] = htonl(lba & 0xffffffff);
*(uint32_t *)&acb->task->cdb[10] = htonl(num_sectors);
break;
default:
acb->task->cdb_size = 10;
acb->task->cdb[0] = 0x28;
*(uint32_t *)&acb->task->cdb[2] = htonl(lba);
*(uint16_t *)&acb->task->cdb[7] = htons(num_sectors);
break;
}
ret = iscsi_scsi_command_async(iscsi, acb->iscsilun->lun, acb->task,
iscsi_aio_read16_cb,
NULL,
acb);
if (ret != 0) {
scsi_free_scsi_task(acb->task);
return -1;
}
#if defined(LIBISCSI_FEATURE_IOVECTOR)
scsi_task_set_iov_in(acb->task, (struct scsi_iovec*) acb->qiov->iov, acb->qiov->niov);
#else
for (i = 0; i < acb->qiov->niov; i++) {
scsi_task_add_data_in_buffer(acb->task,
acb->qiov->iov[i].iov_len,
acb->qiov->iov[i].iov_base);
}
#endif
return 0;
}
static int
iscsi_aio_writev_acb(IscsiAIOCB *acb)
{
struct iscsi_context *iscsi = acb->iscsilun->iscsi;
size_t size;
uint32_t num_sectors;
uint64_t lba;
#if !defined(LIBISCSI_FEATURE_IOVECTOR)
struct iscsi_data data;
#endif
int ret;
acb->canceled = 0;
acb->bh = NULL;
acb->status = -EINPROGRESS;
acb->buf = NULL;
/* this will allow us to get rid of 'buf' completely */
size = acb->nb_sectors * BDRV_SECTOR_SIZE;
#if !defined(LIBISCSI_FEATURE_IOVECTOR)
data.size = MIN(size, acb->qiov->size);
/* if the iovec only contains one buffer we can pass it directly */
if (acb->qiov->niov == 1) {
data.data = acb->qiov->iov[0].iov_base;
} else {
acb->buf = g_malloc(data.size);
qemu_iovec_to_buf(acb->qiov, 0, acb->buf, data.size);
data.data = acb->buf;
}
#endif
acb->task = malloc(sizeof(struct scsi_task));
if (acb->task == NULL) {
error_report("iSCSI: Failed to allocate task for scsi WRITE16 "
"command. %s", iscsi_get_error(iscsi));
return -1;
}
memset(acb->task, 0, sizeof(struct scsi_task));
acb->task->xfer_dir = SCSI_XFER_WRITE;
acb->task->cdb_size = 16;
acb->task->cdb[0] = 0x8a;
lba = sector_qemu2lun(acb->sector_num, acb->iscsilun);
*(uint32_t *)&acb->task->cdb[2] = htonl(lba >> 32);
*(uint32_t *)&acb->task->cdb[6] = htonl(lba & 0xffffffff);
num_sectors = sector_qemu2lun(acb->nb_sectors, acb->iscsilun);
*(uint32_t *)&acb->task->cdb[10] = htonl(num_sectors);
acb->task->expxferlen = size;
#if defined(LIBISCSI_FEATURE_IOVECTOR)
ret = iscsi_scsi_command_async(iscsi, acb->iscsilun->lun, acb->task,
iscsi_aio_write16_cb,
NULL,
acb);
#else
ret = iscsi_scsi_command_async(iscsi, acb->iscsilun->lun, acb->task,
iscsi_aio_write16_cb,
&data,
acb);
#endif
if (ret != 0) {
scsi_free_scsi_task(acb->task);
g_free(acb->buf);
return -1;
}
#if defined(LIBISCSI_FEATURE_IOVECTOR)
scsi_task_set_iov_out(acb->task, (struct scsi_iovec*) acb->qiov->iov, acb->qiov->niov);
#endif
return 0;
}
/*
* We support iscsi url's on the form
* iscsi://[<username>%<password>@]<host>[:<port>]/<targetname>/<lun>
*/
static int iscsi_open(BlockDriverState *bs, QDict *options, int flags)
{
IscsiLun *iscsilun = bs->opaque;
struct iscsi_context *iscsi = NULL;
struct iscsi_url *iscsi_url = NULL;
struct scsi_task *task = NULL;
struct scsi_inquiry_standard *inq = NULL;
char *initiator_name = NULL;
QemuOpts *opts;
Error *local_err = NULL;
const char *filename;
int ret;
if ((BDRV_SECTOR_SIZE % 512) != 0) {
error_report("iSCSI: Invalid BDRV_SECTOR_SIZE. "
"BDRV_SECTOR_SIZE(%lld) is not a multiple "
"of 512", BDRV_SECTOR_SIZE);
return -EINVAL;
}
opts = qemu_opts_create_nofail(&runtime_opts);
qemu_opts_absorb_qdict(opts, options, &local_err);
if (error_is_set(&local_err)) {
qerror_report_err(local_err);
error_free(local_err);
ret = -EINVAL;
goto out;
}
filename = qemu_opt_get(opts, "filename");
iscsi_url = iscsi_parse_full_url(iscsi, filename);
if (iscsi_url == NULL) {
error_report("Failed to parse URL : %s", filename);
ret = -EINVAL;
goto out;
}
memset(iscsilun, 0, sizeof(IscsiLun));
initiator_name = parse_initiator_name(iscsi_url->target);
iscsi = iscsi_create_context(initiator_name);
if (iscsi == NULL) {
error_report("iSCSI: Failed to create iSCSI context.");
ret = -ENOMEM;
goto out;
}
if (iscsi_set_targetname(iscsi, iscsi_url->target)) {
error_report("iSCSI: Failed to set target name.");
ret = -EINVAL;
goto out;
}
if (iscsi_url->user != NULL) {
ret = iscsi_set_initiator_username_pwd(iscsi, iscsi_url->user,
iscsi_url->passwd);
if (ret != 0) {
error_report("Failed to set initiator username and password");
ret = -EINVAL;
goto out;
}
}
/* check if we got CHAP username/password via the options */
if (parse_chap(iscsi, iscsi_url->target) != 0) {
error_report("iSCSI: Failed to set CHAP user/password");
ret = -EINVAL;
goto out;
}
if (iscsi_set_session_type(iscsi, ISCSI_SESSION_NORMAL) != 0) {
error_report("iSCSI: Failed to set session type to normal.");
ret = -EINVAL;
goto out;
}
iscsi_set_header_digest(iscsi, ISCSI_HEADER_DIGEST_NONE_CRC32C);
/* check if we got HEADER_DIGEST via the options */
parse_header_digest(iscsi, iscsi_url->target);
if (iscsi_full_connect_sync(iscsi, iscsi_url->portal, iscsi_url->lun) != 0) {
error_report("iSCSI: Failed to connect to LUN : %s",
iscsi_get_error(iscsi));
ret = -EINVAL;
goto out;
}
iscsilun->iscsi = iscsi;
iscsilun->lun = iscsi_url->lun;
task = iscsi_inquiry_sync(iscsi, iscsilun->lun, 0, 0, 36);
if (task == NULL || task->status != SCSI_STATUS_GOOD) {
error_report("iSCSI: failed to send inquiry command.");
ret = -EINVAL;
goto out;
}
inq = scsi_datain_unmarshall(task);
if (inq == NULL) {
error_report("iSCSI: Failed to unmarshall inquiry data.");
ret = -EINVAL;
goto out;
}
iscsilun->type = inq->periperal_device_type;
if ((ret = iscsi_readcapacity_sync(iscsilun)) != 0) {
goto out;
}
bs->total_sectors = sector_lun2qemu(iscsilun->num_blocks, iscsilun);
/* Medium changer or tape. We dont have any emulation for this so this must
* be sg ioctl compatible. We force it to be sg, otherwise qemu will try
* to read from the device to guess the image format.
*/
if (iscsilun->type == TYPE_MEDIUM_CHANGER ||
iscsilun->type == TYPE_TAPE) {
bs->sg = 1;
}
#if defined(LIBISCSI_FEATURE_NOP_COUNTER)
/* Set up a timer for sending out iSCSI NOPs */
iscsilun->nop_timer = qemu_new_timer_ms(rt_clock, iscsi_nop_timed_event, iscsilun);
qemu_mod_timer(iscsilun->nop_timer, qemu_get_clock_ms(rt_clock) + NOP_INTERVAL);
#endif
out:
qemu_opts_del(opts);
if (initiator_name != NULL) {
g_free(initiator_name);
}
if (iscsi_url != NULL) {
iscsi_destroy_url(iscsi_url);
}
if (task != NULL) {
scsi_free_scsi_task(task);
}
if (ret) {
if (iscsi != NULL) {
iscsi_destroy_context(iscsi);
}
memset(iscsilun, 0, sizeof(IscsiLun));
}
return ret;
}
static void
check_unmap(void)
{
int i;
struct scsi_task *task_ret = NULL;
struct scsi_get_lba_status *lbas;
uint64_t lba;
logging(LOG_VERBOSE, "Read LBA mapping from the target");
GETLBASTATUS(sd, &task_ret, 0, 256,
EXPECT_STATUS_GOOD);
if (task_ret == NULL) {
logging(LOG_VERBOSE, "[FAILED] Failed to read LBA mapping "
"from the target.");
CU_FAIL("[FAILED] Failed to read LBA mapping "
"from the target.");
return;
}
if (task_ret->status != SCSI_STATUS_GOOD) {
logging(LOG_VERBOSE, "[FAILED] Failed to read LBA mapping "
"from the target. Sense: %s",
sd->error_str);
CU_FAIL("[FAILED] Failed to read LBA mapping "
"from the target.");
scsi_free_scsi_task(task_ret);
return;
}
logging(LOG_VERBOSE, "Unmarshall LBA mapping datain buffer");
lbas = scsi_datain_unmarshall(task_ret);
if (lbas == NULL) {
logging(LOG_VERBOSE, "[FAILED] Failed to unmarshall LBA "
"mapping");
CU_FAIL("[FAILED] Failed to read unmarshall LBA mapping");
scsi_free_scsi_task(task_ret);
return;
}
logging(LOG_VERBOSE, "Verify we got at least one status descriptor "
"from the target");
if (lbas->num_descriptors < 1) {
logging(LOG_VERBOSE, "[FAILED] Wrong number of LBA status "
"descriptors. Expected >=1 but got %d descriptors",
lbas->num_descriptors);
CU_FAIL("[FAILED] Wrong number of LBA status descriptors.");
scsi_free_scsi_task(task_ret);
return;
}
logging(LOG_VERBOSE, "Verify that all descriptors are either "
"DEALLOCATED or ANCHORED.");
for (i = 0; i < (int)lbas->num_descriptors; i++) {
logging(LOG_VERBOSE, "Check descriptor %d LBA:%" PRIu64 "-%"
PRIu64 " that it is not MAPPED",
i,
lbas->descriptors[i].lba,
lbas->descriptors[i].lba + lbas->descriptors[i].num_blocks);
if (lbas->descriptors[i].provisioning == SCSI_PROVISIONING_TYPE_MAPPED) {
logging(LOG_VERBOSE, "[FAILED] Descriptor %d is MAPPED."
"All descriptors shoudl be either DEALLOCATED "
"or ANCHORED after SANITIZE", i);
CU_FAIL("[FAILED] LBA status descriptor is MAPPED.");
}
}
logging(LOG_VERBOSE, "Verify that the descriptors cover the whole LUN");
lba = 0;
for (i = 0; i < (int)lbas->num_descriptors; i++) {
logging(LOG_VERBOSE, "Check descriptor %d LBA:%" PRIu64 "-%"
PRIu64 " that it is in order",
i,
lbas->descriptors[i].lba,
lbas->descriptors[i].lba + lbas->descriptors[i].num_blocks);
if (lba != lbas->descriptors[i].lba) {
logging(LOG_VERBOSE, "[FAILED] LBA status descriptors "
"are not in order.");
CU_FAIL("[FAILED] LBA status descriptors not in order");
}
lba += lbas->descriptors[i].num_blocks;
}
if (lba != num_blocks) {
logging(LOG_VERBOSE, "[FAILED] The LUN is not fully"
"DEALLOCATED/ANCHORED");
CU_FAIL("[FAILED] The LUN is not fully"
"DEALLOCATED/ANCHORED");
}
scsi_free_scsi_task(task_ret);
}
void
test_modesense6_residuals(void)
{
struct scsi_task *ms_task = NULL;
int ret;
logging(LOG_VERBOSE, LOG_BLANK_LINE);
logging(LOG_VERBOSE, "Test of MODESENSE6 Residuals");
logging(LOG_VERBOSE, "MODESENSE6 command should not result in any "
"residuals");
logging(LOG_VERBOSE, "Try a MODESENSE6 command with 4 bytes of "
"transfer length and verify that we don't get residuals.");
ret = modesense6(sd, &ms_task, 0, SCSI_MODESENSE_PC_CURRENT,
SCSI_MODEPAGE_RETURN_ALL_PAGES, 0, 4,
EXPECT_STATUS_GOOD);
CU_ASSERT_EQUAL(ret, 0);
logging(LOG_VERBOSE, "[SUCCESS] All Pages fetched.");
logging(LOG_VERBOSE, "Verify that we got at most 4 bytes of DATA-IN");
if (ms_task->datain.size > 4) {
logging(LOG_NORMAL, "[FAILED] got more than 4 bytes of "
"DATA-IN.");
} else {
logging(LOG_VERBOSE, "[SUCCESS] <= 4 bytes of DATA-IN "
"received.");
}
CU_ASSERT_TRUE(ms_task->datain.size <= 4);
logging(LOG_VERBOSE, "Verify residual overflow flag not set");
if (ms_task->residual_status == SCSI_RESIDUAL_OVERFLOW) {
logging(LOG_VERBOSE, "[FAILED] Target set residual "
"overflow flag");
}
CU_ASSERT_NOT_EQUAL(ms_task->residual_status, SCSI_RESIDUAL_OVERFLOW);
logging(LOG_VERBOSE, "Try a MODESENSE6 command with 255 bytes of "
"transfer length and verify that we get residuals if the target returns less than the requested amount of data.");
scsi_free_scsi_task(ms_task);
ret = modesense6(sd, &ms_task, 0, SCSI_MODESENSE_PC_CURRENT,
SCSI_MODEPAGE_RETURN_ALL_PAGES, 0, 255,
EXPECT_STATUS_GOOD);
CU_ASSERT_EQUAL(ret, 0);
logging(LOG_VERBOSE, "[SUCCESS] All Pages fetched.");
if (ms_task->datain.size == 255) {
logging(LOG_VERBOSE, "We got all 255 bytes of data back "
"from the target. Verify that underflow is not set.");
if (ms_task->residual_status == SCSI_RESIDUAL_UNDERFLOW) {
logging(LOG_VERBOSE, "[FAILED] Target set residual "
"underflow flag");
} else {
logging(LOG_VERBOSE, "[SUCCESS] Residual underflow "
"is not set");
}
CU_ASSERT_NOT_EQUAL(ms_task->residual_status,
SCSI_RESIDUAL_UNDERFLOW);
} else {
logging(LOG_VERBOSE, "We got less than the requested 255 bytes "
"from the target. Verify that underflow is set.");
if (ms_task->residual_status != SCSI_RESIDUAL_UNDERFLOW) {
logging(LOG_VERBOSE, "[FAILED] Target did not set "
"residual underflow flag");
} else {
logging(LOG_VERBOSE, "[SUCCESS] Residual underflow "
"is set");
}
CU_ASSERT_EQUAL(ms_task->residual_status,
SCSI_RESIDUAL_UNDERFLOW);
}
scsi_free_scsi_task(ms_task);
}
int T0102_read10_0blocks(const char *initiator, const char *url)
{
struct iscsi_context *iscsi;
struct scsi_task *task;
struct scsi_readcapacity10 *rc10;
int ret, i, lun;
uint32_t block_size, num_blocks;
iscsi = iscsi_context_login(initiator, url, &lun);
if (iscsi == NULL) {
printf("Failed to login to target\n");
return -1;
}
/* find the size of the LUN */
task = iscsi_readcapacity10_sync(iscsi, lun, 0, 0);
if (task == NULL) {
printf("Failed to send readcapacity10 command: %s\n", iscsi_get_error(iscsi));
ret = -1;
goto finished;
}
if (task->status != SCSI_STATUS_GOOD) {
printf("Readcapacity command: failed with sense. %s\n", iscsi_get_error(iscsi));
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
rc10 = scsi_datain_unmarshall(task);
if (rc10 == NULL) {
printf("failed to unmarshall readcapacity10 data. %s\n", iscsi_get_error(iscsi));
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
block_size = rc10->block_size;
num_blocks = rc10->lba;
scsi_free_scsi_task(task);
ret = 0;
/* read10 0 blocks one block at lba 0 */
printf("Reading 0 blocks at lba:0 ... ");
task = iscsi_read10_sync(iscsi, lun, 0, 0, block_size);
if (task == NULL) {
printf("[FAILED]\n");
printf("Failed to send read10 command: %s\n", iscsi_get_error(iscsi));
ret = -1;
goto finished;
}
if (task->status != SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("Read10 of 0 at lba:0 failed with sense.\n");
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
scsi_free_scsi_task(task);
printf("[OK]\n");
/* read10 0 blocks one block beyond the eol */
printf("Reading 0 blocks at one block beyond end ... ");
task = iscsi_read10_sync(iscsi, lun, num_blocks + 1, 0, block_size);
if (task == NULL) {
printf("[FAILED]\n");
printf("Failed to send read10 command: %s\n", iscsi_get_error(iscsi));
ret = -1;
goto finished;
}
if (task->status != SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("Read10 of 0 one block beyond end-of-lun failed with sense.\n");
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
scsi_free_scsi_task(task);
printf("[OK]\n");
/* read10 0 blocks two blocks beyond the eol */
printf("Reading 0 blocks at two blocks beyond end ... ");
task = iscsi_read10_sync(iscsi, lun, num_blocks + 1, 0, block_size);
if (task == NULL) {
printf("[FAILED]\n");
printf("Failed to send read10 command: %s\n", iscsi_get_error(iscsi));
ret = -1;
goto finished;
}
if (task->status != SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("Read10 of 0 two blocks beyond end-of-lun failed with sense.\n");
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
scsi_free_scsi_task(task);
printf("[OK]\n");
/* read10 0 at lba -1 */
printf("Reading 0 blocks at lba:-1 ... ");
task = iscsi_read10_sync(iscsi, lun, 0xffffff, 0, block_size);
if (task == NULL) {
printf("[FAILED]\n");
printf("Failed to send read10 command: %s\n", iscsi_get_error(iscsi));
ret = -1;
goto finished;
}
if (task->status != SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("Read10 of 0 at lba:-1 failed with sense.\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 T0300_readonly(const char *initiator, const char *url)
{
struct iscsi_context *iscsi;
struct scsi_task *task;
struct scsi_mode_sense *ms;
int ret, lun;
unsigned char data[4096];
struct unmap_list list[1];
int full_size;
ret = -1;
printf("0300_readonly:\n");
printf("==============\n");
if (show_info) {
printf("Test that all commands that modify the medium fail for readonly devices\n");
printf("1, WRITE10 at LUN 0 should fail.\n");
printf("2, WRITE12 at LUN 0 should fail.\n");
printf("3, WRITE16 at LUN 0 should fail.\n");
printf("4, WRITESAME10 at LUN 0 should fail.\n");
printf("5, WRITESAME16 at LUN 0 should fail.\n");
printf("6, WRITESAME10 with UNMAP at LUN 0 should fail (skipped if not thin-provisioned).\n");
printf("7, WRITESAME16 with UNMAP at LUN 0 should fail (skipped if not thin-provisioned).\n");
printf("8, UNMAP at LUN 0 should fail (skipped if not thin-provisioned).\n");
printf("9, WRITEVERIFY10 at LUN 0 should fail.\n");
printf("10, WRITEVERIFY12 at LUN 0 should fail.\n");
printf("11, WRITEVERIFY16 at LUN 0 should fail.\n");
printf("12, COMPAREANDWRITE at LUN 0 should fail.\n");
printf("13, ORWRITE at LUN 0 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;
}
if (!data_loss) {
printf("--dataloss flag is not set. Skipping test\n");
ret = -2;
goto finished;
}
/* This test is only valid for SBC devices */
if (device_type != SCSI_INQUIRY_PERIPHERAL_DEVICE_TYPE_DIRECT_ACCESS) {
printf("LUN is not SBC device. Skipping test\n");
return -2;
}
/* verify the device is readonly */
task = iscsi_modesense6_sync(iscsi, lun, 0, SCSI_MODESENSE_PC_CURRENT,
SCSI_MODESENSE_PAGECODE_RETURN_ALL_PAGES, 0,
4);
if (task == NULL) {
printf("Failed to send modesense6 command: %s\n", iscsi_get_error(iscsi));
goto finished;
}
full_size = scsi_datain_getfullsize(task);
if (full_size > task->datain.size) {
scsi_free_scsi_task(task);
task = iscsi_modesense6_sync(iscsi, lun, 0, SCSI_MODESENSE_PC_CURRENT,
SCSI_MODESENSE_PAGECODE_RETURN_ALL_PAGES, 0,
full_size);
if (task == NULL) {
printf("Failed to send modesense6 command: %s\n", iscsi_get_error(iscsi));
goto finished;
}
}
ms = scsi_datain_unmarshall(task);
if (ms == NULL) {
printf("failed to unmarshall mode sense datain blob\n");
scsi_free_scsi_task(task);
goto finished;
}
if (!(ms->device_specific_parameter & 0x80)) {
printf("Device is not read-only. Skipping test\n");
ret = -2;
goto finished;
}
scsi_free_scsi_task(task);
ret = 0;
/* Write one block at lba 0 */
printf("WRITE10 to LUN 0 ... ");
task = iscsi_write10_sync(iscsi, lun, 0, data, block_size, block_size, 0, 0, 0, 0, 0);
if (task == NULL) {
printf("[FAILED]\n");
printf("Failed to send WRITE10 command: %s\n", iscsi_get_error(iscsi));
ret = -1;
goto finished;
}
if (task->status == SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("WRITE10 command should fail when writing to readonly devices\n");
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
if (task->status != SCSI_STATUS_CHECK_CONDITION
|| task->sense.key != SCSI_SENSE_DATA_PROTECTION
|| task->sense.ascq != SCSI_SENSE_ASCQ_WRITE_PROTECTED) {
printf("[FAILED]\n");
printf("WRITE10 failed with the wrong sense code. Should fail with DATA_PROTECTION/WRITE_PROTECTED\n");
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
scsi_free_scsi_task(task);
printf("[OK]\n");
/* Write one block at lba 0 */
printf("WRITE12 to LUN 0 ... ");
task = iscsi_write12_sync(iscsi, lun, 0, data, block_size, block_size, 0, 0, 0, 0, 0);
if (task == NULL) {
printf("[FAILED]\n");
printf("Failed to send WRITE12 command: %s\n", iscsi_get_error(iscsi));
ret = -1;
goto finished;
}
if (task->status == SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("WRITE12 command should fail when writing to readonly devices\n");
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
if (task->status != SCSI_STATUS_CHECK_CONDITION
|| task->sense.key != SCSI_SENSE_DATA_PROTECTION
|| task->sense.ascq != SCSI_SENSE_ASCQ_WRITE_PROTECTED) {
printf("[FAILED]\n");
printf("WRITE12 failed with the wrong sense code. Should fail with DATA_PROTECTION/WRITE_PROTECTED\n");
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
scsi_free_scsi_task(task);
printf("[OK]\n");
/* Write one block at lba 0 */
printf("WRITE16 to LUN 0 ... ");
task = iscsi_write16_sync(iscsi, lun, 0, data, block_size, block_size, 0, 0, 0, 0, 0);
if (task == NULL) {
printf("[FAILED]\n");
printf("Failed to send WRITE16 command: %s\n", iscsi_get_error(iscsi));
ret = -1;
goto finished;
}
if (task->status == SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("WRITE16 command should fail when writing to readonly devices\n");
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
if (task->status != SCSI_STATUS_CHECK_CONDITION
|| task->sense.key != SCSI_SENSE_DATA_PROTECTION
|| task->sense.ascq != SCSI_SENSE_ASCQ_WRITE_PROTECTED) {
printf("[FAILED]\n");
printf("WRITE16 failed with the wrong sense code. Should fail with DATA_PROTECTION/WRITE_PROTECTED\n");
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
scsi_free_scsi_task(task);
printf("[OK]\n");
/* Write one block at lba 0 */
printf("WRITESAME10 to LUN 0 ... ");
task = iscsi_writesame10_sync(iscsi, lun, data, block_size, 0, 1, 0, 0, 0, 0, 0, 0);
if (task == NULL) {
printf("[FAILED]\n");
printf("Failed to send WRITESAME10 command: %s\n", iscsi_get_error(iscsi));
ret = -1;
goto finished;
}
if (task->status == SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("WRITESAME10 command should fail when writing to readonly devices\n");
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
if (task->status != SCSI_STATUS_CHECK_CONDITION
|| task->sense.key != SCSI_SENSE_DATA_PROTECTION
|| task->sense.ascq != SCSI_SENSE_ASCQ_WRITE_PROTECTED) {
printf("[FAILED]\n");
printf("WRITESAME10 failed with the wrong sense code. Should fail with DATA_PROTECTION/WRITE_PROTECTED\n");
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
scsi_free_scsi_task(task);
printf("[OK]\n");
/* Write one block at lba 0 */
printf("WRITESAME16 to LUN 0 ... ");
task = iscsi_writesame16_sync(iscsi, lun, data, block_size, 0, 1, 0, 0, 0, 0, 0, 0);
if (task == NULL) {
printf("[FAILED]\n");
printf("Failed to send WRITESAME16 command: %s\n", iscsi_get_error(iscsi));
ret = -1;
goto finished;
}
if (task->status == SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("WRITESAME16 command should fail when writing to readonly devices\n");
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
if (task->status != SCSI_STATUS_CHECK_CONDITION
|| task->sense.key != SCSI_SENSE_DATA_PROTECTION
|| task->sense.ascq != SCSI_SENSE_ASCQ_WRITE_PROTECTED) {
printf("[FAILED]\n");
printf("WRITESAME16 failed with the wrong sense code. Should fail with DATA_PROTECTION/WRITE_PROTECTED\n");
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
scsi_free_scsi_task(task);
printf("[OK]\n");
/* UNMAP one block at lba 0 */
printf("WRITESAME10 to UNMAP LUN 0 ... ");
if (lbpme == 0) {
printf("LUN is not thin-provisioned. [SKIPPED]\n");
goto finished;
}
task = iscsi_writesame10_sync(iscsi, lun, data, block_size, 0, 1, 0, 1, 0, 0, 0, 0);
if (task == NULL) {
printf("[FAILED]\n");
printf("Failed to send WRITESAME10 command: %s\n", iscsi_get_error(iscsi));
ret = -1;
goto finished;
}
if (task->status == SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("WRITESAME10 command should fail when writing to readonly devices\n");
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
if (task->status != SCSI_STATUS_CHECK_CONDITION
|| task->sense.key != SCSI_SENSE_DATA_PROTECTION
|| task->sense.ascq != SCSI_SENSE_ASCQ_WRITE_PROTECTED) {
printf("[FAILED]\n");
printf("WRITESAME10 failed with the wrong sense code. Should fail with DATA_PROTECTION/WRITE_PROTECTED\n");
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
scsi_free_scsi_task(task);
printf("[OK]\n");
/* UNMAP one block at lba 0 */
printf("WRITESAME16 to UNMAP LUN 0 ... ");
if (lbpme == 0) {
printf("LUN is not thin-provisioned. [SKIPPED]\n");
goto finished;
}
task = iscsi_writesame16_sync(iscsi, lun, data, block_size, 0, 1, 0, 1, 0, 0, 0, 0);
if (task == NULL) {
printf("[FAILED]\n");
printf("Failed to send WRITESAME16 command: %s\n", iscsi_get_error(iscsi));
ret = -1;
goto finished;
}
if (task->status == SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("WRITESAME16 command should fail when writing to readonly devices\n");
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
if (task->status != SCSI_STATUS_CHECK_CONDITION
|| task->sense.key != SCSI_SENSE_DATA_PROTECTION
|| task->sense.ascq != SCSI_SENSE_ASCQ_WRITE_PROTECTED) {
printf("[FAILED]\n");
printf("WRITESAME16 failed with the wrong sense code. Should fail with DATA_PROTECTION/WRITE_PROTECTED\n");
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
scsi_free_scsi_task(task);
printf("[OK]\n");
/* UNMAP one block at lba 0 */
printf("UNMAP LUN 0 ... ");
if (lbpme == 0) {
printf("LUN is not thin-provisioned. [SKIPPED]\n");
goto finished;
}
list[0].lba = 0;
list[0].num = 1;
task = iscsi_unmap_sync(iscsi, lun, 0, 0, &list[0], 1);
if (task == NULL) {
printf("[FAILED]\n");
printf("Failed to send UNMAP command: %s\n", iscsi_get_error(iscsi));
ret = -1;
goto finished;
}
if (task->status == SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("UNMAP command should fail when writing to readonly devices\n");
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
if (task->status != SCSI_STATUS_CHECK_CONDITION
|| task->sense.key != SCSI_SENSE_DATA_PROTECTION
|| task->sense.ascq != SCSI_SENSE_ASCQ_WRITE_PROTECTED) {
printf("[FAILED]\n");
printf("UNMAP failed with the wrong sense code. Should fail with DATA_PROTECTION/WRITE_PROTECTED\n");
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
scsi_free_scsi_task(task);
printf("[OK]\n");
/* Write one block at lba 0 */
printf("WRITEVERIFY10 to LUN 0 ... ");
task = iscsi_writeverify10_sync(iscsi, lun, 0, data, block_size, block_size, 0, 0, 0, 0);
if (task == NULL) {
printf("[FAILED]\n");
printf("Failed to send WRITEVERIFY10 command: %s\n", iscsi_get_error(iscsi));
ret = -1;
goto finished;
}
if (task->status == SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("WRITEVERIFY10 command should fail when writing to readonly devices\n");
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
if (task->status != SCSI_STATUS_CHECK_CONDITION
|| task->sense.key != SCSI_SENSE_DATA_PROTECTION
|| task->sense.ascq != SCSI_SENSE_ASCQ_WRITE_PROTECTED) {
printf("[FAILED]\n");
printf("WRITEVERIFY10 failed with the wrong sense code. Should fail with DATA_PROTECTION/WRITE_PROTECTED\n");
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
scsi_free_scsi_task(task);
printf("[OK]\n");
/* Write one block at lba 0 */
printf("WRITEVERIFY12 to LUN 0 ... ");
task = iscsi_writeverify12_sync(iscsi, lun, 0, data, block_size, block_size, 0, 0, 0, 0);
if (task == NULL) {
printf("[FAILED]\n");
printf("Failed to send WRITEVERIFY12 command: %s\n", iscsi_get_error(iscsi));
ret = -1;
goto finished;
}
if (task->status == SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("WRITEVERIFY12 command should fail when writing to readonly devices\n");
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
if (task->status != SCSI_STATUS_CHECK_CONDITION
|| task->sense.key != SCSI_SENSE_DATA_PROTECTION
|| task->sense.ascq != SCSI_SENSE_ASCQ_WRITE_PROTECTED) {
printf("[FAILED]\n");
printf("WRITEVERIFY12 failed with the wrong sense code. Should fail with DATA_PROTECTION/WRITE_PROTECTED\n");
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
scsi_free_scsi_task(task);
printf("[OK]\n");
/* Write one block at lba 0 */
printf("WRITEVERIFY16 to LUN 0 ... ");
task = iscsi_writeverify16_sync(iscsi, lun, 0, data, block_size, block_size, 0, 0, 0, 0);
if (task == NULL) {
printf("[FAILED]\n");
printf("Failed to send WRITEVERIFY16 command: %s\n", iscsi_get_error(iscsi));
ret = -1;
goto finished;
}
if (task->status == SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("WRITEVERIFY16 command should fail when writing to readonly devices\n");
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
if (task->status != SCSI_STATUS_CHECK_CONDITION
|| task->sense.key != SCSI_SENSE_DATA_PROTECTION
|| task->sense.ascq != SCSI_SENSE_ASCQ_WRITE_PROTECTED) {
printf("[FAILED]\n");
printf("WRITEVERIFY16 failed with the wrong sense code. Should fail with DATA_PROTECTION/WRITE_PROTECTED\n");
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
scsi_free_scsi_task(task);
printf("[OK]\n");
/* Write one block at lba 0 */
printf("COMPAREWRITE to LUN 0 ... ");
task = iscsi_compareandwrite_sync(iscsi, lun, 0, data, block_size, block_size, 0, 0, 0, 0, 0);
if (task == NULL) {
printf("[FAILED]\n");
printf("Failed to send COMPAREANDWRITE command: %s\n", iscsi_get_error(iscsi));
ret = -1;
goto finished;
}
if (task->status == SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("COMPAREANDWRITE command should fail when writing to readonly devices\n");
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
if (task->status != SCSI_STATUS_CHECK_CONDITION
|| task->sense.key != SCSI_SENSE_DATA_PROTECTION
|| task->sense.ascq != SCSI_SENSE_ASCQ_WRITE_PROTECTED) {
printf("[FAILED]\n");
printf("COMPAREANDWRITE failed with the wrong sense code. Should fail with DATA_PROTECTION/WRITE_PROTECTED\n");
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
scsi_free_scsi_task(task);
printf("[OK]\n");
/* Write one block at lba 0 */
printf("ORWRITE to LUN 0 ... ");
task = iscsi_orwrite_sync(iscsi, lun, 0, data, block_size, block_size, 0, 0, 0, 0, 0);
if (task == NULL) {
printf("[FAILED]\n");
printf("Failed to send ORWRITE command: %s\n", iscsi_get_error(iscsi));
ret = -1;
goto finished;
}
if (task->status == SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("ORWRITE command should fail when writing to readonly devices\n");
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
if (task->status != SCSI_STATUS_CHECK_CONDITION
|| task->sense.key != SCSI_SENSE_DATA_PROTECTION
|| task->sense.ascq != SCSI_SENSE_ASCQ_WRITE_PROTECTED) {
printf("[FAILED]\n");
printf("ORWRITE failed with the wrong sense code. Should fail with DATA_PROTECTION/WRITE_PROTECTED\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;
}
static void
check_wabereq(void)
{
struct scsi_task *task_ret = NULL;
logging(LOG_VERBOSE, "Read one block from LBA 0");
READ10(sd, &task_ret, 0, block_size, block_size, 0, 0, 0, 0, 0, NULL,
EXPECT_STATUS_GOOD);
CU_ASSERT_PTR_NOT_NULL_FATAL(task_ret);
if (task_ret == NULL) {
return;
}
CU_ASSERT_NOT_EQUAL(task_ret->status, SCSI_STATUS_CANCELLED);
switch (inq_bdc->wabereq) {
case 0:
logging(LOG_NORMAL, "[FAILED] SANITIZE BLOCK ERASE "
"opcode is supported but WABEREQ is 0");
CU_FAIL("[FAILED] SANITIZE BLOCK ERASE "
"opcode is supported but WABEREQ is 0");
break;
case 1:
logging(LOG_VERBOSE, "WABEREQ==1. Reads from the "
"device should be successful.");
if (task_ret->status == SCSI_STATUS_GOOD) {
logging(LOG_VERBOSE, "[SUCCESS] Read was "
"successful after SANITIZE");
break;
}
logging(LOG_NORMAL, "[FAILED] Read after "
"SANITIZE failed but WABEREQ is 1");
CU_FAIL("[FAILED] Read after SANITIZE failed "
"but WABEREQ is 1");
break;
case 2:
logging(LOG_VERBOSE, "WABEREQ==2. Reads from the "
"device should fail.");
if (task_ret->status == SCSI_STATUS_CHECK_CONDITION
&& task_ret->sense.key == SCSI_SENSE_MEDIUM_ERROR
&& task_ret->sense.ascq != SCSI_SENSE_ASCQ_WRITE_AFTER_SANITIZE_REQUIRED) {
logging(LOG_VERBOSE, "[SUCCESS] Read failed "
"with CHECK_CONDITION/MEDIUM_ERROR/"
"!WRITE_AFTER_SANITIZE_REQUIRED");
break;
}
logging(LOG_VERBOSE, "[FAILED] Read should have failed "
"with CHECK_CONDITION/MEDIUM_ERROR/"
"!WRITE_AFTER_SANITIZE_REQUIRED");
CU_FAIL("[FAILED] Read should have failed "
"with CHECK_CONDITION/MEDIUM_ERROR/"
"!WRITE_AFTER_SANITIZE_REQUIRED");
break;
case 3:
logging(LOG_VERBOSE, "WABEREQ==3. Reads from the "
"device should fail.");
if (task_ret->status == SCSI_STATUS_CHECK_CONDITION
&& task_ret->sense.key == SCSI_SENSE_MEDIUM_ERROR
&& task_ret->sense.ascq == SCSI_SENSE_ASCQ_WRITE_AFTER_SANITIZE_REQUIRED) {
logging(LOG_VERBOSE, "[SUCCESS] Read failed "
"with CHECK_CONDITION/MEDIUM_ERROR/"
"WRITE_AFTER_SANITIZE_REQUIRED");
break;
}
logging(LOG_VERBOSE, "[FAILED] Read should have failed "
"with CHECK_CONDITION/MEDIUM_ERROR/"
"WRITE_AFTER_SANITIZE_REQUIRED");
CU_FAIL("[FAILED] Read should have failed "
"with CHECK_CONDITION/MEDIUM_ERROR/"
"WRITE_AFTER_SANITIZE_REQUIRED");
break;
}
scsi_free_scsi_task(task_ret);
}
int T0105_read10_invalid(const char *initiator, const char *url)
{
struct iscsi_context *iscsi;
struct scsi_task *task;
struct iscsi_data data;
char buf[512];
int ret, lun;
iscsi = iscsi_context_login(initiator, url, &lun);
if (iscsi == NULL) {
printf("Failed to login to target\n");
return -1;
}
ret = 0;
/* Try a read of 1 block but xferlength == 0 */
printf("Read10 1 block but with iscsi ExpectedDataTransferLength==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] = SCSI_OPCODE_READ10;
task->cdb[8] = 1;
task->cdb_size = 10;
task->xfer_dir = SCSI_XFER_READ;
task->expxferlen = 0;
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;
goto finished;
}
if (task->status != SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("Read10 of 1 block with iscsi ExpectedDataTransferLength==0 should not fail.\n");
ret = -1;
scsi_free_scsi_task(task);
goto test2;
}
if (task->residual_status != SCSI_RESIDUAL_OVERFLOW || task->residual != 512) {
printf("[FAILED]\n");
printf("Read10 returned incorrect residual overflow.\n");
ret = -1;
scsi_free_scsi_task(task);
goto test5;
}
scsi_free_scsi_task(task);
printf("[OK]\n");
test2:
/* Try a read of 1 block but xferlength == 1024 */
printf("Read10 1 block but with iscsi ExpectedDataTransferLength==1024 ... ");
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[8] = 1;
task->cdb_size = 10;
task->xfer_dir = SCSI_XFER_READ;
task->expxferlen = 1024;
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;
goto finished;
}
if (task->status != SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("Read10 of 1 block with iscsi ExpectedDataTransferLength==1024 should not fail.\n");
ret = -1;
scsi_free_scsi_task(task);
goto test3;
}
if (task->residual_status != SCSI_RESIDUAL_UNDERFLOW || task->residual != 512) {
printf("[FAILED]\n");
printf("Read10 returned incorrect residual underflow.\n");
ret = -1;
scsi_free_scsi_task(task);
goto test5;
}
scsi_free_scsi_task(task);
printf("[OK]\n");
test3:
/* Try a read of 1 block but xferlength == 200 */
printf("Read10 1 block but with iscsi ExpectedDataTransferLength==200 ... ");
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[8] = 1;
task->cdb_size = 10;
task->xfer_dir = SCSI_XFER_READ;
task->expxferlen = 200;
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;
goto finished;
}
if (task->status != SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("Read10 of 1 block with iscsi ExpectedDataTransferLength==200 should not fail.\n");
ret = -1;
scsi_free_scsi_task(task);
goto test4;
}
if (task->residual_status != SCSI_RESIDUAL_OVERFLOW || task->residual != 312) {
printf("[FAILED]\n");
printf("Read10 returned incorrect residual overflow.\n");
ret = -1;
scsi_free_scsi_task(task);
goto test5;
}
scsi_free_scsi_task(task);
printf("[OK]\n");
test4:
/* Try a read of 2 blocks but xferlength == 512 */
printf("Read10 2 blocks but with iscsi ExpectedDataTransferLength==512 ... ");
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[8] = 2;
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;
goto finished;
}
if (task->status != SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("Read10 of 2 blocks with iscsi ExpectedDataTransferLength==512 should succeed.\n");
ret = -1;
scsi_free_scsi_task(task);
goto test5;
}
if (task->residual_status != SCSI_RESIDUAL_OVERFLOW || task->residual != 512) {
printf("[FAILED]\n");
printf("Read10 returned incorrect residual overflow.\n");
ret = -1;
scsi_free_scsi_task(task);
goto test5;
}
scsi_free_scsi_task(task);
printf("[OK]\n");
test5:
/* Try a read of 1 block but make it a data-out write on the iscsi layer */
printf("Read10 of 1 block but sent as data-out write in iscsi layer ... ");
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[8] = 1;
task->cdb_size = 10;
task->xfer_dir = SCSI_XFER_WRITE;
task->expxferlen = sizeof(buf);
data.size = sizeof(buf);
data.data = &buf[0];
if (iscsi_scsi_command_sync(iscsi, lun, task, &data) == NULL) {
printf("[FAILED]\n");
printf("Failed to send read10 command: %s\n", iscsi_get_error(iscsi));
ret = -1;
goto finished;
}
if (task->status == SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("Read10 of 1 block but iscsi data-out write should fail.\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;
}