2 * RDMA device: Definitions of Resource Manager structures
4 * Copyright (C) 2018 Oracle
5 * Copyright (C) 2018 Red Hat Inc
8 * Yuval Shaia <yuval.shaia@oracle.com>
9 * Marcel Apfelbaum <marcel@redhat.com>
11 * This work is licensed under the terms of the GNU GPL, version 2 or later.
12 * See the COPYING file in the top-level directory.
16 #ifndef RDMA_RM_DEFS_H
17 #define RDMA_RM_DEFS_H
19 #include "rdma_backend_defs.h"
21 #define MAX_PORTS 1 /* Do not change - we support only one port */
22 #define MAX_PORT_GIDS 255
23 #define MAX_GIDS MAX_PORT_GIDS
24 #define MAX_PORT_PKEYS 1
25 #define MAX_PKEYS MAX_PORT_PKEYS
27 #define MAX_MR_SIZE (1UL << 27)
33 #define MAX_QP_RD_ATOM 16
34 #define MAX_QP_INIT_RD_ATOM 16
37 #define MAX_RM_TBL_NAME 16
38 typedef struct RdmaRmResTbl
{
39 char name
[MAX_RM_TBL_NAME
];
41 unsigned long *bitmap
;
47 typedef struct RdmaRmPD
{
48 RdmaBackendPD backend_pd
;
52 typedef enum CQNotificationType
{
58 typedef struct RdmaRmCQ
{
59 RdmaBackendCQ backend_cq
;
61 CQNotificationType notify
;
65 typedef struct RdmaRmMR
{
66 RdmaBackendMR backend_mr
;
75 typedef struct RdmaRmUC
{
79 typedef struct RdmaRmQP
{
80 RdmaBackendQP backend_qp
;
84 uint32_t send_cq_handle
;
85 uint32_t recv_cq_handle
;
86 enum ibv_qp_state qp_state
;
89 typedef struct RdmaRmGid
{
91 int backend_gid_index
;
94 typedef struct RdmaRmPort
{
95 RdmaRmGid gid_tbl
[MAX_PORT_GIDS
];
96 enum ibv_port_state state
;
99 typedef struct RdmaDeviceResources
{
106 RdmaRmResTbl cqe_ctx_tbl
;
107 GHashTable
*qp_hash
; /* Keeps mapping between real and emulated */
108 } RdmaDeviceResources
;