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32#ifndef __IWCH_H__
33#define __IWCH_H__
34
35#include <linux/mutex.h>
36#include <linux/list.h>
37#include <linux/spinlock.h>
38#include <linux/xarray.h>
39#include <linux/workqueue.h>
40
41#include <rdma/ib_verbs.h>
42
43#include "cxio_hal.h"
44#include "cxgb3_offload.h"
45
46struct iwch_pd;
47struct iwch_cq;
48struct iwch_qp;
49struct iwch_mr;
50
51struct iwch_rnic_attributes {
52 u32 max_qps;
53 u32 max_wrs;
54 u32 max_sge_per_wr;
55 u32 max_sge_per_rdma_write_wr;
56 u32 max_cqs;
57 u32 max_cqes_per_cq;
58 u32 max_mem_regs;
59 u32 max_phys_buf_entries;
60 u32 max_pds;
61
62
63
64
65
66
67 u32 mem_pgsizes_bitmask;
68 u64 max_mr_size;
69 u8 can_resize_wq;
70
71
72
73
74
75 u32 max_rdma_reads_per_qp;
76
77
78
79
80
81 u32 max_rdma_read_resources;
82
83
84
85
86
87 u32 max_rdma_read_qp_depth;
88
89
90
91
92
93 u32 max_rdma_read_depth;
94 u8 rq_overflow_handled;
95 u32 can_modify_ird;
96 u32 can_modify_ord;
97 u32 max_mem_windows;
98 u32 stag0_value;
99 u8 zbva_support;
100 u8 local_invalidate_fence;
101 u32 cq_overflow_detection;
102};
103
104struct iwch_dev {
105 struct ib_device ibdev;
106 struct cxio_rdev rdev;
107 u32 device_cap_flags;
108 struct iwch_rnic_attributes attr;
109 struct xarray cqs;
110 struct xarray qps;
111 struct xarray mrs;
112 struct list_head entry;
113 struct delayed_work db_drop_task;
114};
115
116static inline struct iwch_dev *to_iwch_dev(struct ib_device *ibdev)
117{
118 return container_of(ibdev, struct iwch_dev, ibdev);
119}
120
121static inline struct iwch_dev *rdev_to_iwch_dev(struct cxio_rdev *rdev)
122{
123 return container_of(rdev, struct iwch_dev, rdev);
124}
125
126static inline int t3b_device(const struct iwch_dev *rhp)
127{
128 return rhp->rdev.t3cdev_p->type == T3B;
129}
130
131static inline int t3a_device(const struct iwch_dev *rhp)
132{
133 return rhp->rdev.t3cdev_p->type == T3A;
134}
135
136static inline struct iwch_cq *get_chp(struct iwch_dev *rhp, u32 cqid)
137{
138 return xa_load(&rhp->cqs, cqid);
139}
140
141static inline struct iwch_qp *get_qhp(struct iwch_dev *rhp, u32 qpid)
142{
143 return xa_load(&rhp->qps, qpid);
144}
145
146static inline struct iwch_mr *get_mhp(struct iwch_dev *rhp, u32 mmid)
147{
148 return xa_load(&rhp->mrs, mmid);
149}
150
151extern struct cxgb3_client t3c_client;
152extern cxgb3_cpl_handler_func t3c_handlers[NUM_CPL_CMDS];
153extern void iwch_ev_dispatch(struct cxio_rdev *rdev_p, struct sk_buff *skb);
154
155#endif
156