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#include "iscsi/task.h"
#include "iscsi/iscsi.h"
#include "iscsi/conn.h"
#include "spdk/env.h"
#include "spdk/sock.h"
#include "spdk_cunit.h"
#include "spdk_internal/log.h"
#include "spdk_internal/mock.h"
#include "scsi/scsi_internal.h"
SPDK_LOG_REGISTER_COMPONENT("iscsi", SPDK_LOG_ISCSI)
struct spdk_trace_histories *g_trace_histories;
DEFINE_STUB_V(spdk_trace_add_register_fn, (struct spdk_trace_register_fn *reg_fn));
DEFINE_STUB_V(spdk_trace_register_owner, (uint8_t type, char id_prefix));
DEFINE_STUB_V(spdk_trace_register_object, (uint8_t type, char id_prefix));
DEFINE_STUB_V(spdk_trace_register_description, (const char *name,
uint16_t tpoint_id, uint8_t owner_type, uint8_t object_type, uint8_t new_object,
uint8_t arg1_type, const char *arg1_name));
DEFINE_STUB_V(_spdk_trace_record, (uint64_t tsc, uint16_t tpoint_id, uint16_t poller_id,
uint32_t size, uint64_t object_id, uint64_t arg1));
TAILQ_HEAD(, spdk_iscsi_pdu) g_write_pdu_list = TAILQ_HEAD_INITIALIZER(g_write_pdu_list);
static bool g_task_pool_is_empty = false;
static bool g_pdu_pool_is_empty = false;
struct spdk_iscsi_task *
iscsi_task_get(struct spdk_iscsi_conn *conn,
struct spdk_iscsi_task *parent,
spdk_scsi_task_cpl cpl_fn)
{
struct spdk_iscsi_task *task;
if (g_task_pool_is_empty) {
return NULL;
}
task = calloc(1, sizeof(*task));
if (!task) {
return NULL;
}
task->conn = conn;
task->scsi.cpl_fn = cpl_fn;
if (parent) {
parent->scsi.ref++;
task->parent = parent;
task->tag = parent->tag;
task->lun_id = parent->lun_id;
task->scsi.dxfer_dir = parent->scsi.dxfer_dir;
task->scsi.transfer_len = parent->scsi.transfer_len;
task->scsi.lun = parent->scsi.lun;
task->scsi.cdb = parent->scsi.cdb;
task->scsi.target_port = parent->scsi.target_port;
task->scsi.initiator_port = parent->scsi.initiator_port;
if (conn && (task->scsi.dxfer_dir == SPDK_SCSI_DIR_FROM_DEV)) {
conn->data_in_cnt++;
}
}
task->scsi.iovs = &task->scsi.iov;
return task;
}
void
spdk_scsi_task_put(struct spdk_scsi_task *task)
{
free(task);
}
void
iscsi_put_pdu(struct spdk_iscsi_pdu *pdu)
{
if (!pdu) {
return;
}
pdu->ref--;
if (pdu->ref < 0) {
CU_FAIL("negative ref count");
pdu->ref = 0;
}
if (pdu->ref == 0) {
if (pdu->data && !pdu->data_from_mempool) {
free(pdu->data);
}
free(pdu);
}
}
struct spdk_iscsi_pdu *
iscsi_get_pdu(struct spdk_iscsi_conn *conn)
{
struct spdk_iscsi_pdu *pdu;
assert(conn != NULL);
if (g_pdu_pool_is_empty) {
return NULL;
}
pdu = malloc(sizeof(*pdu));
if (!pdu) {
return NULL;
}
memset(pdu, 0, offsetof(struct spdk_iscsi_pdu, ahs));
pdu->ref = 1;
pdu->conn = conn;
return pdu;
}
DEFINE_STUB_V(spdk_scsi_task_process_null_lun, (struct spdk_scsi_task *task));
DEFINE_STUB_V(spdk_scsi_task_process_abort, (struct spdk_scsi_task *task));
DEFINE_STUB_V(spdk_scsi_dev_queue_task,
(struct spdk_scsi_dev *dev, struct spdk_scsi_task *task));
DEFINE_STUB(spdk_scsi_dev_find_port_by_id, struct spdk_scsi_port *,
(struct spdk_scsi_dev *dev, uint64_t id), NULL);
DEFINE_STUB_V(spdk_scsi_dev_queue_mgmt_task,
(struct spdk_scsi_dev *dev, struct spdk_scsi_task *task));
const char *
spdk_scsi_dev_get_name(const struct spdk_scsi_dev *dev)
{
if (dev != NULL) {
return dev->name;
}
return NULL;
}
DEFINE_STUB(spdk_scsi_dev_construct, struct spdk_scsi_dev *,
(const char *name, const char **bdev_name_list,
int *lun_id_list, int num_luns, uint8_t protocol_id,
void (*hotremove_cb)(const struct spdk_scsi_lun *, void *),
void *hotremove_ctx),
NULL);
DEFINE_STUB_V(spdk_scsi_dev_destruct,
(struct spdk_scsi_dev *dev, spdk_scsi_dev_destruct_cb_t cb_fn, void *cb_arg));
DEFINE_STUB(spdk_scsi_dev_add_port, int,
(struct spdk_scsi_dev *dev, uint64_t id, const char *name), 0);
DEFINE_STUB(iscsi_drop_conns, int,
(struct spdk_iscsi_conn *conn, const char *conn_match, int drop_all),
0);
DEFINE_STUB(spdk_scsi_dev_delete_port, int,
(struct spdk_scsi_dev *dev, uint64_t id), 0);
DEFINE_STUB_V(shutdown_iscsi_conns, (void));
DEFINE_STUB_V(iscsi_conns_request_logout, (struct spdk_iscsi_tgt_node *target));
DEFINE_STUB(iscsi_get_active_conns, int, (struct spdk_iscsi_tgt_node *target), 0);
void
iscsi_task_cpl(struct spdk_scsi_task *scsi_task)
{
struct spdk_iscsi_task *iscsi_task;
if (scsi_task != NULL) {
iscsi_task = iscsi_task_from_scsi_task(scsi_task);
if (iscsi_task->parent && (iscsi_task->scsi.dxfer_dir == SPDK_SCSI_DIR_FROM_DEV)) {
assert(iscsi_task->conn->data_in_cnt > 0);
iscsi_task->conn->data_in_cnt--;
}
free(iscsi_task);
}
}
DEFINE_STUB_V(iscsi_task_mgmt_cpl, (struct spdk_scsi_task *scsi_task));
DEFINE_STUB(iscsi_conn_read_data, int,
(struct spdk_iscsi_conn *conn, int bytes, void *buf), 0);
DEFINE_STUB(iscsi_conn_readv_data, int,
(struct spdk_iscsi_conn *conn, struct iovec *iov, int iovcnt), 0);
void
iscsi_conn_write_pdu(struct spdk_iscsi_conn *conn, struct spdk_iscsi_pdu *pdu,
iscsi_conn_xfer_complete_cb cb_fn, void *cb_arg)
{
TAILQ_INSERT_TAIL(&g_write_pdu_list, pdu, tailq);
}
DEFINE_STUB_V(iscsi_conn_logout, (struct spdk_iscsi_conn *conn));
DEFINE_STUB_V(spdk_scsi_task_set_status,
(struct spdk_scsi_task *task, int sc, int sk, int asc, int ascq));
void
spdk_scsi_task_set_data(struct spdk_scsi_task *task, void *data, uint32_t len)
{
SPDK_CU_ASSERT_FATAL(task->iovs != NULL);
task->iovs[0].iov_base = data;
task->iovs[0].iov_len = len;
}
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