1e3cf00d0SUpinder Malhi /*
2e3cf00d0SUpinder Malhi * Copyright (c) 2013, Cisco Systems, Inc. All rights reserved.
3e3cf00d0SUpinder Malhi *
43805eadeSJeff Squyres * This software is available to you under a choice of one of two
53805eadeSJeff Squyres * licenses. You may choose to be licensed under the terms of the GNU
63805eadeSJeff Squyres * General Public License (GPL) Version 2, available from the file
73805eadeSJeff Squyres * COPYING in the main directory of this source tree, or the
83805eadeSJeff Squyres * BSD license below:
93805eadeSJeff Squyres *
103805eadeSJeff Squyres * Redistribution and use in source and binary forms, with or
113805eadeSJeff Squyres * without modification, are permitted provided that the following
123805eadeSJeff Squyres * conditions are met:
133805eadeSJeff Squyres *
143805eadeSJeff Squyres * - Redistributions of source code must retain the above
153805eadeSJeff Squyres * copyright notice, this list of conditions and the following
163805eadeSJeff Squyres * disclaimer.
173805eadeSJeff Squyres *
183805eadeSJeff Squyres * - Redistributions in binary form must reproduce the above
193805eadeSJeff Squyres * copyright notice, this list of conditions and the following
203805eadeSJeff Squyres * disclaimer in the documentation and/or other materials
213805eadeSJeff Squyres * provided with the distribution.
22e3cf00d0SUpinder Malhi *
23e3cf00d0SUpinder Malhi * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24e3cf00d0SUpinder Malhi * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25e3cf00d0SUpinder Malhi * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26e3cf00d0SUpinder Malhi * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27e3cf00d0SUpinder Malhi * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28e3cf00d0SUpinder Malhi * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29e3cf00d0SUpinder Malhi * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30e3cf00d0SUpinder Malhi * SOFTWARE.
31e3cf00d0SUpinder Malhi *
32e3cf00d0SUpinder Malhi */
33e3cf00d0SUpinder Malhi
34e3cf00d0SUpinder Malhi #ifndef USNIC_IB_QP_GRP_H_
35e3cf00d0SUpinder Malhi #define USNIC_IB_QP_GRP_H_
36e3cf00d0SUpinder Malhi
379f637f79SUpinder Malhi #include <linux/debugfs.h>
38e3cf00d0SUpinder Malhi #include <rdma/ib_verbs.h>
39e3cf00d0SUpinder Malhi
40e3cf00d0SUpinder Malhi #include "usnic_ib.h"
41e3cf00d0SUpinder Malhi #include "usnic_abi.h"
42e3cf00d0SUpinder Malhi #include "usnic_fwd.h"
43e3cf00d0SUpinder Malhi #include "usnic_vnic.h"
44e3cf00d0SUpinder Malhi
45e3cf00d0SUpinder Malhi /*
46e3cf00d0SUpinder Malhi * The qp group struct represents all the hw resources needed to present a ib_qp
47e3cf00d0SUpinder Malhi */
48e3cf00d0SUpinder Malhi struct usnic_ib_qp_grp {
49e3cf00d0SUpinder Malhi struct ib_qp ibqp;
50e3cf00d0SUpinder Malhi enum ib_qp_state state;
51e3cf00d0SUpinder Malhi int grp_id;
52e3cf00d0SUpinder Malhi
53e3cf00d0SUpinder Malhi struct usnic_fwd_dev *ufdev;
54e3cf00d0SUpinder Malhi struct usnic_ib_ucontext *ctx;
55256d6a6aSUpinder Malhi struct list_head flows_lst;
56e3cf00d0SUpinder Malhi
57e3cf00d0SUpinder Malhi struct usnic_vnic_res_chunk **res_chunk_list;
58e3cf00d0SUpinder Malhi
59e3cf00d0SUpinder Malhi pid_t owner_pid;
60e3cf00d0SUpinder Malhi struct usnic_ib_vf *vf;
61e3cf00d0SUpinder Malhi struct list_head link;
62e3cf00d0SUpinder Malhi
63e3cf00d0SUpinder Malhi spinlock_t lock;
64e3cf00d0SUpinder Malhi
65e3cf00d0SUpinder Malhi struct kobject kobj;
66e3cf00d0SUpinder Malhi };
67e3cf00d0SUpinder Malhi
68256d6a6aSUpinder Malhi struct usnic_ib_qp_grp_flow {
69256d6a6aSUpinder Malhi struct usnic_fwd_flow *flow;
70256d6a6aSUpinder Malhi enum usnic_transport_type trans_type;
71256d6a6aSUpinder Malhi union {
72256d6a6aSUpinder Malhi struct {
73256d6a6aSUpinder Malhi uint16_t port_num;
74256d6a6aSUpinder Malhi } usnic_roce;
75e45e614eSUpinder Malhi struct {
76e45e614eSUpinder Malhi struct socket *sock;
77e45e614eSUpinder Malhi } udp;
78256d6a6aSUpinder Malhi };
79256d6a6aSUpinder Malhi struct usnic_ib_qp_grp *qp_grp;
80256d6a6aSUpinder Malhi struct list_head link;
819f637f79SUpinder Malhi
829f637f79SUpinder Malhi /* Debug FS */
839f637f79SUpinder Malhi struct dentry *dbgfs_dentry;
849f637f79SUpinder Malhi char dentry_name[32];
85256d6a6aSUpinder Malhi };
86256d6a6aSUpinder Malhi
87bd8c2021SBart Van Assche extern const struct usnic_vnic_res_spec min_transport_spec[USNIC_TRANSPORT_MAX];
88e3cf00d0SUpinder Malhi
89e3cf00d0SUpinder Malhi const char *usnic_ib_qp_grp_state_to_string(enum ib_qp_state state);
90e3cf00d0SUpinder Malhi int usnic_ib_qp_grp_dump_hdr(char *buf, int buf_sz);
91e3cf00d0SUpinder Malhi int usnic_ib_qp_grp_dump_rows(void *obj, char *buf, int buf_sz);
92*514aee66SLeon Romanovsky int usnic_ib_qp_grp_create(struct usnic_ib_qp_grp *qp,
93*514aee66SLeon Romanovsky struct usnic_fwd_dev *ufdev, struct usnic_ib_vf *vf,
94e3cf00d0SUpinder Malhi struct usnic_ib_pd *pd,
95e3cf00d0SUpinder Malhi struct usnic_vnic_res_spec *res_spec,
96256d6a6aSUpinder Malhi struct usnic_transport_spec *trans_spec);
97e3cf00d0SUpinder Malhi void usnic_ib_qp_grp_destroy(struct usnic_ib_qp_grp *qp_grp);
98e3cf00d0SUpinder Malhi int usnic_ib_qp_grp_modify(struct usnic_ib_qp_grp *qp_grp,
99e3cf00d0SUpinder Malhi enum ib_qp_state new_state,
100256d6a6aSUpinder Malhi void *data);
101e3cf00d0SUpinder Malhi struct usnic_vnic_res_chunk
102e3cf00d0SUpinder Malhi *usnic_ib_qp_grp_get_chunk(struct usnic_ib_qp_grp *qp_grp,
103e3cf00d0SUpinder Malhi enum usnic_vnic_res_type type);
104e3cf00d0SUpinder Malhi static inline
to_uqp_grp(struct ib_qp * ibqp)105e3cf00d0SUpinder Malhi struct usnic_ib_qp_grp *to_uqp_grp(struct ib_qp *ibqp)
106e3cf00d0SUpinder Malhi {
107e3cf00d0SUpinder Malhi return container_of(ibqp, struct usnic_ib_qp_grp, ibqp);
108e3cf00d0SUpinder Malhi }
109e3cf00d0SUpinder Malhi #endif /* USNIC_IB_QP_GRP_H_ */
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