1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
|
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2022 Microsoft Corporation. All rights reserved.
*/
#ifndef _MANA_IB_H_
#define _MANA_IB_H_
#include <rdma/ib_verbs.h>
#include <rdma/ib_mad.h>
#include <rdma/ib_umem.h>
#include <rdma/mana-abi.h>
#include <rdma/uverbs_ioctl.h>
#include <net/mana/mana.h>
#define PAGE_SZ_BM \
(SZ_4K | SZ_8K | SZ_16K | SZ_32K | SZ_64K | SZ_128K | SZ_256K | \
SZ_512K | SZ_1M | SZ_2M)
/* MANA doesn't have any limit for MR size */
#define MANA_IB_MAX_MR_SIZE U64_MAX
/*
* The hardware limit of number of MRs is greater than maximum number of MRs
* that can possibly represent in 24 bits
*/
#define MANA_IB_MAX_MR 0xFFFFFFu
struct mana_ib_adapter_caps {
u32 max_sq_id;
u32 max_rq_id;
u32 max_cq_id;
u32 max_qp_count;
u32 max_cq_count;
u32 max_mr_count;
u32 max_pd_count;
u32 max_inbound_read_limit;
u32 max_outbound_read_limit;
u32 mw_count;
u32 max_srq_count;
u32 max_qp_wr;
u32 max_send_sge_count;
u32 max_recv_sge_count;
u32 max_inline_data_size;
};
struct mana_ib_dev {
struct ib_device ib_dev;
struct gdma_dev *gdma_dev;
struct mana_ib_adapter_caps adapter_caps;
};
struct mana_ib_wq {
struct ib_wq ibwq;
struct ib_umem *umem;
int wqe;
u32 wq_buf_size;
u64 gdma_region;
u64 id;
mana_handle_t rx_object;
};
struct mana_ib_pd {
struct ib_pd ibpd;
u32 pdn;
mana_handle_t pd_handle;
/* Mutex for sharing access to vport_use_count */
struct mutex vport_mutex;
int vport_use_count;
bool tx_shortform_allowed;
u32 tx_vp_offset;
};
struct mana_ib_mr {
struct ib_mr ibmr;
struct ib_umem *umem;
mana_handle_t mr_handle;
};
struct mana_ib_cq {
struct ib_cq ibcq;
struct ib_umem *umem;
int cqe;
u64 gdma_region;
u64 id;
u32 comp_vector;
};
struct mana_ib_qp {
struct ib_qp ibqp;
/* Work queue info */
struct ib_umem *sq_umem;
int sqe;
u64 sq_gdma_region;
u64 sq_id;
mana_handle_t tx_object;
/* The port on the IB device, starting with 1 */
u32 port;
};
struct mana_ib_ucontext {
struct ib_ucontext ibucontext;
u32 doorbell;
};
struct mana_ib_rwq_ind_table {
struct ib_rwq_ind_table ib_ind_table;
};
enum mana_ib_command_code {
MANA_IB_GET_ADAPTER_CAP = 0x30001,
};
struct mana_ib_query_adapter_caps_req {
struct gdma_req_hdr hdr;
}; /*HW Data */
struct mana_ib_query_adapter_caps_resp {
struct gdma_resp_hdr hdr;
u32 max_sq_id;
u32 max_rq_id;
u32 max_cq_id;
u32 max_qp_count;
u32 max_cq_count;
u32 max_mr_count;
u32 max_pd_count;
u32 max_inbound_read_limit;
u32 max_outbound_read_limit;
u32 mw_count;
u32 max_srq_count;
u32 max_requester_sq_size;
u32 max_responder_sq_size;
u32 max_requester_rq_size;
u32 max_responder_rq_size;
u32 max_send_sge_count;
u32 max_recv_sge_count;
u32 max_inline_data_size;
}; /* HW Data */
static inline struct gdma_context *mdev_to_gc(struct mana_ib_dev *mdev)
{
return mdev->gdma_dev->gdma_context;
}
static inline struct net_device *mana_ib_get_netdev(struct ib_device *ibdev, u32 port)
{
struct mana_ib_dev *mdev = container_of(ibdev, struct mana_ib_dev, ib_dev);
struct gdma_context *gc = mdev_to_gc(mdev);
struct mana_context *mc = gc->mana.driver_data;
if (port < 1 || port > mc->num_ports)
return NULL;
return mc->ports[port - 1];
}
int mana_ib_install_cq_cb(struct mana_ib_dev *mdev, struct mana_ib_cq *cq);
int mana_ib_create_zero_offset_dma_region(struct mana_ib_dev *dev, struct ib_umem *umem,
mana_handle_t *gdma_region);
int mana_ib_create_dma_region(struct mana_ib_dev *dev, struct ib_umem *umem,
mana_handle_t *gdma_region, u64 virt);
int mana_ib_gd_destroy_dma_region(struct mana_ib_dev *dev,
mana_handle_t gdma_region);
struct ib_wq *mana_ib_create_wq(struct ib_pd *pd,
struct ib_wq_init_attr *init_attr,
struct ib_udata *udata);
int mana_ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *wq_attr,
u32 wq_attr_mask, struct ib_udata *udata);
int mana_ib_destroy_wq(struct ib_wq *ibwq, struct ib_udata *udata);
int mana_ib_create_rwq_ind_table(struct ib_rwq_ind_table *ib_rwq_ind_table,
struct ib_rwq_ind_table_init_attr *init_attr,
struct ib_udata *udata);
int mana_ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *ib_rwq_ind_tbl);
struct ib_mr *mana_ib_get_dma_mr(struct ib_pd *ibpd, int access_flags);
struct ib_mr *mana_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
u64 iova, int access_flags,
struct ib_udata *udata);
int mana_ib_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata);
int mana_ib_create_qp(struct ib_qp *qp, struct ib_qp_init_attr *qp_init_attr,
struct ib_udata *udata);
int mana_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
int attr_mask, struct ib_udata *udata);
int mana_ib_destroy_qp(struct ib_qp *ibqp, struct ib_udata *udata);
int mana_ib_cfg_vport(struct mana_ib_dev *dev, u32 port_id,
struct mana_ib_pd *pd, u32 doorbell_id);
void mana_ib_uncfg_vport(struct mana_ib_dev *dev, struct mana_ib_pd *pd,
u32 port);
int mana_ib_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
struct ib_udata *udata);
int mana_ib_destroy_cq(struct ib_cq *ibcq, struct ib_udata *udata);
int mana_ib_alloc_pd(struct ib_pd *ibpd, struct ib_udata *udata);
int mana_ib_dealloc_pd(struct ib_pd *ibpd, struct ib_udata *udata);
int mana_ib_alloc_ucontext(struct ib_ucontext *ibcontext,
struct ib_udata *udata);
void mana_ib_dealloc_ucontext(struct ib_ucontext *ibcontext);
int mana_ib_mmap(struct ib_ucontext *ibcontext, struct vm_area_struct *vma);
int mana_ib_get_port_immutable(struct ib_device *ibdev, u32 port_num,
struct ib_port_immutable *immutable);
int mana_ib_query_device(struct ib_device *ibdev, struct ib_device_attr *props,
struct ib_udata *uhw);
int mana_ib_query_port(struct ib_device *ibdev, u32 port,
struct ib_port_attr *props);
int mana_ib_query_gid(struct ib_device *ibdev, u32 port, int index,
union ib_gid *gid);
void mana_ib_disassociate_ucontext(struct ib_ucontext *ibcontext);
int mana_ib_gd_query_adapter_caps(struct mana_ib_dev *mdev);
#endif
|
