static bool
nvmf_process_connect(struct spdk_nvmf_request *req)
{
struct spdk_nvmf_fabric_connect_cmd *connect;
struct spdk_nvmf_fabric_connect_data *connect_data;
struct spdk_nvmf_fabric_connect_rsp *response;
struct spdk_nvmf_conn *conn = req->conn;
struct nvmf_session *session;
if (req->length < sizeof(struct spdk_nvmf_fabric_connect_data)) {
SPDK_ERRLOG("Connect command data length 0x%x too small\n", req->length);
req->rsp->nvme_cpl.status.sc = SPDK_NVME_SC_INVALID_FIELD;
return true;
}
connect = &req->cmd->connect_cmd;
connect_data = (struct spdk_nvmf_fabric_connect_data *)req->data;
RTE_VERIFY(connect_data != NULL);
SPDK_TRACELOG(SPDK_TRACE_NVMF, "Connect cmd: cid 0x%x recfmt 0x%x qid %u sqsize %u\n",
connect->cid, connect->recfmt, connect->qid, connect->sqsize);
SPDK_TRACELOG(SPDK_TRACE_NVMF, "Connect data:\n");
SPDK_TRACELOG(SPDK_TRACE_NVMF, " cntlid: 0x%04x\n", connect_data->cntlid);
SPDK_TRACELOG(SPDK_TRACE_NVMF, " hostid: %08x-%04x-%04x-%02x%02x-%04x%08x ***\n",
ntohl(*(uint32_t *)&connect_data->hostid[0]),
ntohs(*(uint16_t *)&connect_data->hostid[4]),
ntohs(*(uint16_t *)&connect_data->hostid[6]),
connect_data->hostid[8],
connect_data->hostid[9],
ntohs(*(uint16_t *)&connect_data->hostid[10]),
ntohl(*(uint32_t *)&connect_data->hostid[12]));
SPDK_TRACELOG(SPDK_TRACE_NVMF, " subnqn: \"%s\"\n", (char *)&connect_data->subnqn[0]);
SPDK_TRACELOG(SPDK_TRACE_NVMF, " hostnqn: \"%s\"\n", (char *)&connect_data->hostnqn[0]);
response = &req->rsp->connect_rsp;
session = nvmf_connect((void *)conn, connect, connect_data, response);
if (session != NULL) {
conn->sess = session;
conn->qid = connect->qid;
if (connect->qid > 0) {
conn->type = CONN_TYPE_IOQ; /* I/O Connection */
} else {
/* When session first created, set some attributes */
nvmf_init_conn_properites(conn, session, response);
}
}
/* Allocate RDMA reqs according to the queue depth and conn type*/
if (spdk_nvmf_rdma_alloc_reqs(conn)) {
SPDK_ERRLOG("Unable to allocate sufficient RDMA work requests\n");
req->rsp->nvme_cpl.status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
return true;
}
SPDK_TRACELOG(SPDK_TRACE_NVMF, "connect capsule response: cntlid = 0x%04x\n",
response->status_code_specific.success.cntlid);
return true;
}
static void
nvmf_connect_continue(struct spdk_nvmf_conn *conn,
struct nvme_qp_tx_desc *tx_desc)
{
struct nvme_qp_rx_desc *rx_desc;
struct nvmf_request *req;
struct spdk_nvmf_fabric_connect_cmd *connect;
struct spdk_nvmf_fabric_connect_data *connect_data;
struct spdk_nvmf_fabric_connect_rsp *response;
struct nvmf_session *session;
int ret;
if (tx_desc == NULL) {
SPDK_TRACELOG(SPDK_TRACE_DEBUG, " tx_desc does not exist!\n");
return;
}
rx_desc = tx_desc->rx_desc;
if (rx_desc == NULL) {
SPDK_TRACELOG(SPDK_TRACE_DEBUG, " rx_desc does not exist!\n");
return;
}
connect = (struct spdk_nvmf_fabric_connect_cmd *)&rx_desc->msg_buf;
connect_data = (struct spdk_nvmf_fabric_connect_data *)rx_desc->bb;
req = &tx_desc->req_state;
/* clear the SGL details for any RDMA previously performed */
req->length = 0;
SPDK_TRACELOG(SPDK_TRACE_NVMF, " *** Connect Capsule Data *** %p\n", connect_data);
SPDK_TRACELOG(SPDK_TRACE_NVMF, " *** cntlid = %x ***\n", connect_data->cntlid);
SPDK_TRACELOG(SPDK_TRACE_NVMF, " *** hostid = %04x%04x-%04x-%04x-%04x-%04x%04x%04x ***\n",
htons(*(unsigned short *) &connect_data->hostid[0]),
htons(*(unsigned short *) &connect_data->hostid[2]),
htons(*(unsigned short *) &connect_data->hostid[4]),
htons(*(unsigned short *) &connect_data->hostid[6]),
htons(*(unsigned short *) &connect_data->hostid[8]),
htons(*(unsigned short *) &connect_data->hostid[10]),
htons(*(unsigned short *) &connect_data->hostid[12]),
htons(*(unsigned short *) &connect_data->hostid[14]));
SPDK_TRACELOG(SPDK_TRACE_NVMF, " *** subsiqn = %s ***\n", (char *)&connect_data->subnqn[0]);
SPDK_TRACELOG(SPDK_TRACE_NVMF, " *** hostiqn = %s ***\n", (char *)&connect_data->hostnqn[0]);
response = &req->rsp->connect_rsp;
session = nvmf_connect((void *)conn, connect, connect_data, response);
if (session != NULL) {
conn->sess = session;
conn->qid = connect->qid;
if (connect->qid > 0) {
conn->type = CONN_TYPE_IOQ; /* I/O Connection */
} else {
/* When session first created, set some attributes */
nvmf_init_conn_properites(conn, session, response);
}
}
/* synchronous call, nvmf library expected to init
response status.
*/
SPDK_TRACELOG(SPDK_TRACE_NVMF, "send connect capsule response\n");
SPDK_TRACELOG(SPDK_TRACE_NVMF, " *** cntlid = %x ***\n",
response->status_code_specific.success.cntlid);
ret = spdk_nvmf_send_response(conn, req);
if (ret) {
SPDK_ERRLOG("Unable to send aq qp tx descriptor\n");
goto connect_error;
}
return;
connect_error:
/* recover the tx_desc */
if (tx_desc != NULL) {
tx_desc->rx_desc = NULL;
nvmf_deactive_tx_desc(tx_desc);
}
}