ba37804100
If we just pass NULL to rdma_create_qp, it will do the right thing. Change-Id: I9621a5110ace6237a1e47c6e5defb4cac3afc4ae Signed-off-by: Ben Walker <benjamin.walker@intel.com>
124 lines
3.5 KiB
C
124 lines
3.5 KiB
C
/*-
|
|
* BSD LICENSE
|
|
*
|
|
* Copyright (c) Intel Corporation.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
* * Neither the name of Intel Corporation nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef NVMF_FABRIC_INTF_H
|
|
#define NVMF_FABRIC_INTF_H
|
|
|
|
#include <stdint.h>
|
|
|
|
#include "spdk/event.h"
|
|
#include "nvmf_internal.h"
|
|
#include "spdk/queue.h"
|
|
|
|
/* NVMF Connection States */
|
|
enum nvmf_cstate {
|
|
NVMF_CSTATE_INIT,
|
|
NVMF_CSTATE_ACCEPT,
|
|
NVMF_CSTATE_CONNECTED,
|
|
NVMF_CSTATE_TERMINATING,
|
|
NVMF_CSTATE_DISCONNECTED,
|
|
};
|
|
|
|
/*
|
|
RDMA Connection Resouce Defaults
|
|
*/
|
|
#define NVMF_DEFAULT_TX_SGE 1
|
|
#define NVMF_DEFAULT_RX_SGE 2
|
|
|
|
/* RDMA transport connection states */
|
|
enum conn_state {
|
|
CONN_STATE_INVALID = 0,
|
|
CONN_STATE_RUNNING = 1,
|
|
CONN_STATE_FABRIC_DISCONNECT = 2,
|
|
CONN_STATE_OVERFLOW = 3,
|
|
CONN_STATE_EXITING = 4,
|
|
};
|
|
|
|
enum conn_type {
|
|
CONN_TYPE_AQ = 0,
|
|
CONN_TYPE_IOQ = 1,
|
|
};
|
|
|
|
struct spdk_nvmf_conn {
|
|
uint32_t is_valid;
|
|
|
|
struct nvmf_session *sess;
|
|
|
|
|
|
/*
|
|
* values saved from fabric connect and private data
|
|
*/
|
|
uint8_t responder_resources;
|
|
uint8_t initiator_depth;
|
|
uint16_t sq_depth;
|
|
uint16_t cq_depth;
|
|
uint16_t qid;
|
|
uint16_t cntlid;
|
|
|
|
enum conn_type type;
|
|
volatile enum conn_state state;
|
|
|
|
uint16_t sq_head;
|
|
uint16_t sq_tail;
|
|
|
|
struct rdma_cm_id *cm_id;
|
|
struct ibv_context *ctx;
|
|
struct ibv_comp_channel *comp_channel;
|
|
struct ibv_cq *cq;
|
|
struct ibv_qp *qp;
|
|
|
|
uint8_t pending_rdma_read_count;
|
|
STAILQ_HEAD(qp_pending_desc, nvme_qp_tx_desc) qp_pending_desc;
|
|
|
|
STAILQ_HEAD(qp_rx_desc, nvme_qp_rx_desc) qp_rx_desc;
|
|
STAILQ_HEAD(qp_tx_desc, nvme_qp_tx_desc) qp_tx_desc;
|
|
STAILQ_HEAD(qp_tx_active_desc, nvme_qp_tx_desc) qp_tx_active_desc;
|
|
|
|
TAILQ_ENTRY(spdk_nvmf_conn) link;
|
|
struct spdk_poller poller;
|
|
};
|
|
|
|
int spdk_initialize_nvmf_conns(int max_connections);
|
|
|
|
void spdk_shutdown_nvmf_conns(void);
|
|
|
|
struct spdk_nvmf_conn *
|
|
spdk_nvmf_allocate_conn(void);
|
|
|
|
int spdk_nvmf_startup_conn(struct spdk_nvmf_conn *conn);
|
|
|
|
struct spdk_nvmf_conn *
|
|
spdk_find_nvmf_conn_by_cm_id(struct rdma_cm_id *cm_id);
|
|
|
|
#endif /* NVMF_FABRIC_INTF_H */
|