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1/*2 * Copyright (c) 2013, Cisco Systems, Inc. All rights reserved.3 *4 * This software is available to you under a choice of one of two5 * licenses. You may choose to be licensed under the terms of the GNU6 * General Public License (GPL) Version 2, available from the file7 * COPYING in the main directory of this source tree, or the8 * BSD license below:9 *10 * Redistribution and use in source and binary forms, with or11 * without modification, are permitted provided that the following12 * conditions are met:13 *14 * - Redistributions of source code must retain the above15 * copyright notice, this list of conditions and the following16 * disclaimer.17 *18 * - Redistributions in binary form must reproduce the above19 * copyright notice, this list of conditions and the following20 * disclaimer in the documentation and/or other materials21 * provided with the distribution.22 *23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE30 * SOFTWARE.31 *32 */33 34#ifndef USNIC_IB_QP_GRP_H_35#define USNIC_IB_QP_GRP_H_36 37#include <linux/debugfs.h>38#include <rdma/ib_verbs.h>39 40#include "usnic_ib.h"41#include "usnic_abi.h"42#include "usnic_fwd.h"43#include "usnic_vnic.h"44 45/*46 * The qp group struct represents all the hw resources needed to present a ib_qp47 */48struct usnic_ib_qp_grp {49 struct ib_qp ibqp;50 enum ib_qp_state state;51 int grp_id;52 53 struct usnic_fwd_dev *ufdev;54 struct usnic_ib_ucontext *ctx;55 struct list_head flows_lst;56 57 struct usnic_vnic_res_chunk **res_chunk_list;58 59 pid_t owner_pid;60 struct usnic_ib_vf *vf;61 struct list_head link;62 63 spinlock_t lock;64 65 struct kobject kobj;66};67 68struct usnic_ib_qp_grp_flow {69 struct usnic_fwd_flow *flow;70 enum usnic_transport_type trans_type;71 union {72 struct {73 uint16_t port_num;74 } usnic_roce;75 struct {76 struct socket *sock;77 } udp;78 };79 struct usnic_ib_qp_grp *qp_grp;80 struct list_head link;81 82 /* Debug FS */83 struct dentry *dbgfs_dentry;84 char dentry_name[32];85};86 87extern const struct usnic_vnic_res_spec min_transport_spec[USNIC_TRANSPORT_MAX];88 89const char *usnic_ib_qp_grp_state_to_string(enum ib_qp_state state);90int usnic_ib_qp_grp_dump_hdr(char *buf, int buf_sz);91int usnic_ib_qp_grp_dump_rows(void *obj, char *buf, int buf_sz);92int usnic_ib_qp_grp_create(struct usnic_ib_qp_grp *qp,93 struct usnic_fwd_dev *ufdev, struct usnic_ib_vf *vf,94 struct usnic_ib_pd *pd,95 struct usnic_vnic_res_spec *res_spec,96 struct usnic_transport_spec *trans_spec);97void usnic_ib_qp_grp_destroy(struct usnic_ib_qp_grp *qp_grp);98int usnic_ib_qp_grp_modify(struct usnic_ib_qp_grp *qp_grp,99 enum ib_qp_state new_state,100 void *data);101struct usnic_vnic_res_chunk102*usnic_ib_qp_grp_get_chunk(struct usnic_ib_qp_grp *qp_grp,103 enum usnic_vnic_res_type type);104static inline105struct usnic_ib_qp_grp *to_uqp_grp(struct ib_qp *ibqp)106{107 return container_of(ibqp, struct usnic_ib_qp_grp, ibqp);108}109#endif /* USNIC_IB_QP_GRP_H_ */110