1 #include "iscsi/task.h" 2 #include "iscsi/iscsi.h" 3 #include "iscsi/conn.h" 4 5 #include "spdk/env.h" 6 #include "spdk/event.h" 7 #include "spdk/sock.h" 8 #include "spdk_cunit.h" 9 10 #include "spdk_internal/log.h" 11 #include "spdk_internal/mock.h" 12 13 #include "scsi/scsi_internal.h" 14 15 SPDK_LOG_REGISTER_COMPONENT("iscsi", SPDK_LOG_ISCSI) 16 17 struct spdk_trace_histories *g_trace_histories; 18 DEFINE_STUB_V(spdk_trace_add_register_fn, (struct spdk_trace_register_fn *reg_fn)); 19 DEFINE_STUB_V(spdk_trace_register_owner, (uint8_t type, char id_prefix)); 20 DEFINE_STUB_V(spdk_trace_register_object, (uint8_t type, char id_prefix)); 21 DEFINE_STUB_V(spdk_trace_register_description, (const char *name, 22 uint16_t tpoint_id, uint8_t owner_type, uint8_t object_type, uint8_t new_object, 23 uint8_t arg1_type, const char *arg1_name)); 24 DEFINE_STUB_V(_spdk_trace_record, (uint64_t tsc, uint16_t tpoint_id, uint16_t poller_id, 25 uint32_t size, uint64_t object_id, uint64_t arg1)); 26 27 TAILQ_HEAD(, spdk_iscsi_pdu) g_write_pdu_list = TAILQ_HEAD_INITIALIZER(g_write_pdu_list); 28 29 static bool g_task_pool_is_empty = false; 30 static bool g_pdu_pool_is_empty = false; 31 32 struct spdk_iscsi_task * 33 spdk_iscsi_task_get(struct spdk_iscsi_conn *conn, 34 struct spdk_iscsi_task *parent, 35 spdk_scsi_task_cpl cpl_fn) 36 { 37 struct spdk_iscsi_task *task; 38 39 if (g_task_pool_is_empty) { 40 return NULL; 41 } 42 43 task = calloc(1, sizeof(*task)); 44 if (!task) { 45 return NULL; 46 } 47 48 task->conn = conn; 49 task->scsi.cpl_fn = cpl_fn; 50 if (parent) { 51 parent->scsi.ref++; 52 task->parent = parent; 53 task->tag = parent->tag; 54 task->lun_id = parent->lun_id; 55 task->scsi.dxfer_dir = parent->scsi.dxfer_dir; 56 task->scsi.transfer_len = parent->scsi.transfer_len; 57 task->scsi.lun = parent->scsi.lun; 58 task->scsi.cdb = parent->scsi.cdb; 59 task->scsi.target_port = parent->scsi.target_port; 60 task->scsi.initiator_port = parent->scsi.initiator_port; 61 if (conn && (task->scsi.dxfer_dir == SPDK_SCSI_DIR_FROM_DEV)) { 62 conn->data_in_cnt++; 63 } 64 } 65 66 task->scsi.iovs = &task->scsi.iov; 67 return task; 68 } 69 70 void 71 spdk_scsi_task_put(struct spdk_scsi_task *task) 72 { 73 free(task); 74 } 75 76 void 77 spdk_put_pdu(struct spdk_iscsi_pdu *pdu) 78 { 79 if (!pdu) { 80 return; 81 } 82 83 pdu->ref--; 84 if (pdu->ref < 0) { 85 CU_FAIL("negative ref count"); 86 pdu->ref = 0; 87 } 88 89 if (pdu->ref == 0) { 90 if (pdu->data && !pdu->data_from_mempool) { 91 free(pdu->data); 92 } 93 free(pdu); 94 } 95 } 96 97 struct spdk_iscsi_pdu * 98 spdk_get_pdu(void) 99 { 100 struct spdk_iscsi_pdu *pdu; 101 102 if (g_pdu_pool_is_empty) { 103 return NULL; 104 } 105 106 pdu = malloc(sizeof(*pdu)); 107 if (!pdu) { 108 return NULL; 109 } 110 111 memset(pdu, 0, offsetof(struct spdk_iscsi_pdu, ahs)); 112 pdu->ref = 1; 113 114 return pdu; 115 } 116 117 DEFINE_STUB_V(spdk_scsi_task_process_null_lun, (struct spdk_scsi_task *task)); 118 119 DEFINE_STUB_V(spdk_scsi_task_process_abort, (struct spdk_scsi_task *task)); 120 121 DEFINE_STUB_V(spdk_scsi_dev_queue_task, 122 (struct spdk_scsi_dev *dev, struct spdk_scsi_task *task)); 123 124 DEFINE_STUB(spdk_scsi_dev_find_port_by_id, struct spdk_scsi_port *, 125 (struct spdk_scsi_dev *dev, uint64_t id), NULL); 126 127 DEFINE_STUB_V(spdk_scsi_dev_queue_mgmt_task, 128 (struct spdk_scsi_dev *dev, struct spdk_scsi_task *task)); 129 130 const char * 131 spdk_scsi_dev_get_name(const struct spdk_scsi_dev *dev) 132 { 133 if (dev != NULL) { 134 return dev->name; 135 } 136 137 return NULL; 138 } 139 140 DEFINE_STUB(spdk_scsi_dev_construct, struct spdk_scsi_dev *, 141 (const char *name, const char **bdev_name_list, 142 int *lun_id_list, int num_luns, uint8_t protocol_id, 143 void (*hotremove_cb)(const struct spdk_scsi_lun *, void *), 144 void *hotremove_ctx), 145 NULL); 146 147 DEFINE_STUB_V(spdk_scsi_dev_destruct, 148 (struct spdk_scsi_dev *dev, spdk_scsi_dev_destruct_cb_t cb_fn, void *cb_arg)); 149 150 DEFINE_STUB(spdk_scsi_dev_add_port, int, 151 (struct spdk_scsi_dev *dev, uint64_t id, const char *name), 0); 152 153 DEFINE_STUB(spdk_iscsi_drop_conns, int, 154 (struct spdk_iscsi_conn *conn, const char *conn_match, int drop_all), 155 0); 156 157 DEFINE_STUB(spdk_scsi_dev_delete_port, int, 158 (struct spdk_scsi_dev *dev, uint64_t id), 0); 159 160 DEFINE_STUB_V(spdk_shutdown_iscsi_conns, (void)); 161 162 DEFINE_STUB_V(spdk_iscsi_conns_request_logout, (struct spdk_iscsi_tgt_node *target)); 163 164 DEFINE_STUB(spdk_iscsi_get_active_conns, int, (struct spdk_iscsi_tgt_node *target), 0); 165 166 void 167 spdk_iscsi_task_cpl(struct spdk_scsi_task *scsi_task) 168 { 169 struct spdk_iscsi_task *iscsi_task; 170 171 if (scsi_task != NULL) { 172 iscsi_task = spdk_iscsi_task_from_scsi_task(scsi_task); 173 if (iscsi_task->parent && (iscsi_task->scsi.dxfer_dir == SPDK_SCSI_DIR_FROM_DEV)) { 174 assert(iscsi_task->conn->data_in_cnt > 0); 175 iscsi_task->conn->data_in_cnt--; 176 } 177 178 free(iscsi_task); 179 } 180 } 181 182 DEFINE_STUB_V(spdk_iscsi_task_mgmt_cpl, (struct spdk_scsi_task *scsi_task)); 183 184 DEFINE_STUB(spdk_iscsi_conn_read_data, int, 185 (struct spdk_iscsi_conn *conn, int bytes, void *buf), 0); 186 187 DEFINE_STUB(spdk_iscsi_conn_readv_data, int, 188 (struct spdk_iscsi_conn *conn, struct iovec *iov, int iovcnt), 0); 189 190 void 191 spdk_iscsi_conn_write_pdu(struct spdk_iscsi_conn *conn, struct spdk_iscsi_pdu *pdu) 192 { 193 TAILQ_INSERT_TAIL(&g_write_pdu_list, pdu, tailq); 194 } 195 196 DEFINE_STUB_V(spdk_iscsi_conn_logout, (struct spdk_iscsi_conn *conn)); 197 198 DEFINE_STUB_V(spdk_scsi_task_set_status, 199 (struct spdk_scsi_task *task, int sc, int sk, int asc, int ascq)); 200 201 void 202 spdk_scsi_task_set_data(struct spdk_scsi_task *task, void *data, uint32_t len) 203 { 204 SPDK_CU_ASSERT_FATAL(task->iovs != NULL); 205 task->iovs[0].iov_base = data; 206 task->iovs[0].iov_len = len; 207 } 208