linux/drivers/infiniband/hw/usnic/usnic_ib_qp_grp.c

/*
 * Copyright (c) 2013, Cisco Systems, Inc. All rights reserved.
 *
 * This software is available to you under a choice of one of two
 * licenses.  You may choose to be licensed under the terms of the GNU
 * General Public License (GPL) Version 2, available from the file
 * COPYING in the main directory of this source tree, or the
 * BSD license below:
 *
 *     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.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 */
#include <linux/bug.h>
#include <linux/errno.h>
#include <linux/spinlock.h>

#include "usnic_log.h"
#include "usnic_vnic.h"
#include "usnic_fwd.h"
#include "usnic_uiom.h"
#include "usnic_debugfs.h"
#include "usnic_ib_qp_grp.h"
#include "usnic_ib_sysfs.h"
#include "usnic_transport.h"

#define DFLT_RQ_IDX …

const char *usnic_ib_qp_grp_state_to_string(enum ib_qp_state state)
{ … }

int usnic_ib_qp_grp_dump_hdr(char *buf, int buf_sz)
{ … }

int usnic_ib_qp_grp_dump_rows(void *obj, char *buf, int buf_sz)
{ … }

static struct usnic_vnic_res_chunk *
get_qp_res_chunk(struct usnic_ib_qp_grp *qp_grp)
{ … }

static int enable_qp_grp(struct usnic_ib_qp_grp *qp_grp)
{ … }

static int disable_qp_grp(struct usnic_ib_qp_grp *qp_grp)
{ … }

static int init_filter_action(struct usnic_ib_qp_grp *qp_grp,
				struct usnic_filter_action *uaction)
{ … }

static struct usnic_ib_qp_grp_flow*
create_roce_custom_flow(struct usnic_ib_qp_grp *qp_grp,
			struct usnic_transport_spec *trans_spec)
{ … }

static void release_roce_custom_flow(struct usnic_ib_qp_grp_flow *qp_flow)
{ … }

static struct usnic_ib_qp_grp_flow*
create_udp_flow(struct usnic_ib_qp_grp *qp_grp,
		struct usnic_transport_spec *trans_spec)
{ … }

static void release_udp_flow(struct usnic_ib_qp_grp_flow *qp_flow)
{ … }

static struct usnic_ib_qp_grp_flow*
create_and_add_flow(struct usnic_ib_qp_grp *qp_grp,
			struct usnic_transport_spec *trans_spec)
{ … }

static void release_and_remove_flow(struct usnic_ib_qp_grp_flow *qp_flow)
{ … }

static void release_and_remove_all_flows(struct usnic_ib_qp_grp *qp_grp)
{ … }

int usnic_ib_qp_grp_modify(struct usnic_ib_qp_grp *qp_grp,
				enum ib_qp_state new_state,
				void *data)
{ … }

static struct usnic_vnic_res_chunk**
alloc_res_chunk_list(struct usnic_vnic *vnic,
			struct usnic_vnic_res_spec *res_spec, void *owner_obj)
{ … }

static void free_qp_grp_res(struct usnic_vnic_res_chunk **res_chunk_list)
{ … }

static int qp_grp_and_vf_bind(struct usnic_ib_vf *vf,
				struct usnic_ib_pd *pd,
				struct usnic_ib_qp_grp *qp_grp)
{ … }

static void qp_grp_and_vf_unbind(struct usnic_ib_qp_grp *qp_grp)
{ … }

static void log_spec(struct usnic_vnic_res_spec *res_spec)
{ … }

static int qp_grp_id_from_flow(struct usnic_ib_qp_grp_flow *qp_flow,
				uint32_t *id)
{ … }

int usnic_ib_qp_grp_create(struct usnic_ib_qp_grp *qp_grp,
			   struct usnic_fwd_dev *ufdev, struct usnic_ib_vf *vf,
			   struct usnic_ib_pd *pd,
			   struct usnic_vnic_res_spec *res_spec,
			   struct usnic_transport_spec *transport_spec)
{ … }

void usnic_ib_qp_grp_destroy(struct usnic_ib_qp_grp *qp_grp)
{ … }

struct usnic_vnic_res_chunk*
usnic_ib_qp_grp_get_chunk(struct usnic_ib_qp_grp *qp_grp,
				enum usnic_vnic_res_type res_type)
{ … }