2 * Copyright (c) 2013, Cisco Systems, Inc. All rights reserved.
4 * This software is available to you under a choice of one of two
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6 * General Public License (GPL) Version 2, available from the file
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11 * without modification, are permitted provided that the following
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23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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34 #ifndef USNIC_IB_QP_GRP_H_
35 #define USNIC_IB_QP_GRP_H_
37 #include <linux/debugfs.h>
38 #include <rdma/ib_verbs.h>
41 #include "usnic_abi.h"
42 #include "usnic_fwd.h"
43 #include "usnic_vnic.h"
46 * The qp group struct represents all the hw resources needed to present a ib_qp
48 struct usnic_ib_qp_grp
{
50 enum ib_qp_state state
;
53 struct usnic_fwd_dev
*ufdev
;
54 struct usnic_ib_ucontext
*ctx
;
55 struct list_head flows_lst
;
57 struct usnic_vnic_res_chunk
**res_chunk_list
;
60 struct usnic_ib_vf
*vf
;
61 struct list_head link
;
68 struct usnic_ib_qp_grp_flow
{
69 struct usnic_fwd_flow
*flow
;
70 enum usnic_transport_type trans_type
;
79 struct usnic_ib_qp_grp
*qp_grp
;
80 struct list_head link
;
83 struct dentry
*dbgfs_dentry
;
88 usnic_vnic_res_spec min_transport_spec
[USNIC_TRANSPORT_MAX
] = {
89 { /*USNIC_TRANSPORT_UNKNOWN*/
91 {.type
= USNIC_VNIC_RES_TYPE_EOL
, .cnt
= 0,},
94 { /*USNIC_TRANSPORT_ROCE_CUSTOM*/
96 {.type
= USNIC_VNIC_RES_TYPE_WQ
, .cnt
= 1,},
97 {.type
= USNIC_VNIC_RES_TYPE_RQ
, .cnt
= 1,},
98 {.type
= USNIC_VNIC_RES_TYPE_CQ
, .cnt
= 1,},
99 {.type
= USNIC_VNIC_RES_TYPE_EOL
, .cnt
= 0,},
102 { /*USNIC_TRANSPORT_IPV4_UDP*/
104 {.type
= USNIC_VNIC_RES_TYPE_WQ
, .cnt
= 1,},
105 {.type
= USNIC_VNIC_RES_TYPE_RQ
, .cnt
= 1,},
106 {.type
= USNIC_VNIC_RES_TYPE_CQ
, .cnt
= 1,},
107 {.type
= USNIC_VNIC_RES_TYPE_EOL
, .cnt
= 0,},
112 const char *usnic_ib_qp_grp_state_to_string(enum ib_qp_state state
);
113 int usnic_ib_qp_grp_dump_hdr(char *buf
, int buf_sz
);
114 int usnic_ib_qp_grp_dump_rows(void *obj
, char *buf
, int buf_sz
);
115 struct usnic_ib_qp_grp
*
116 usnic_ib_qp_grp_create(struct usnic_fwd_dev
*ufdev
, struct usnic_ib_vf
*vf
,
117 struct usnic_ib_pd
*pd
,
118 struct usnic_vnic_res_spec
*res_spec
,
119 struct usnic_transport_spec
*trans_spec
);
120 void usnic_ib_qp_grp_destroy(struct usnic_ib_qp_grp
*qp_grp
);
121 int usnic_ib_qp_grp_modify(struct usnic_ib_qp_grp
*qp_grp
,
122 enum ib_qp_state new_state
,
124 struct usnic_vnic_res_chunk
125 *usnic_ib_qp_grp_get_chunk(struct usnic_ib_qp_grp
*qp_grp
,
126 enum usnic_vnic_res_type type
);
128 struct usnic_ib_qp_grp
*to_uqp_grp(struct ib_qp
*ibqp
)
130 return container_of(ibqp
, struct usnic_ib_qp_grp
, ibqp
);
132 #endif /* USNIC_IB_QP_GRP_H_ */