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
|
/*
* Copyright (c) 2013, Cisco Systems, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
#ifndef USNIC_IB_H_
#define USNIC_IB_H_
#include <linux/iommu.h>
#include <linux/netdevice.h>
#include <rdma/ib_verbs.h>
#include "usnic.h"
#include "usnic_abi.h"
#include "usnic_vnic.h"
#define USNIC_IB_PORT_CNT 1
#define USNIC_IB_NUM_COMP_VECTORS 1
extern unsigned int usnic_ib_share_vf;
struct usnic_ib_ucontext {
struct ib_ucontext ibucontext;
/* Protected by usnic_ib_dev->usdev_lock */
struct list_head qp_grp_list;
struct list_head link;
};
struct usnic_ib_pd {
struct ib_pd ibpd;
struct usnic_uiom_pd *umem_pd;
};
struct usnic_ib_cq {
struct ib_cq ibcq;
};
struct usnic_ib_mr {
struct ib_mr ibmr;
struct usnic_uiom_reg *umem;
};
struct usnic_ib_dev {
struct ib_device ib_dev;
struct pci_dev *pdev;
struct net_device *netdev;
struct usnic_fwd_dev *ufdev;
struct list_head ib_dev_link;
struct list_head vf_dev_list;
struct list_head ctx_list;
struct mutex usdev_lock;
/* provisioning information */
struct kref vf_cnt;
unsigned int vf_res_cnt[USNIC_VNIC_RES_TYPE_MAX];
/* sysfs vars for QPN reporting */
struct kobject *qpn_kobj;
};
struct usnic_ib_vf {
struct usnic_ib_dev *pf;
spinlock_t lock;
struct usnic_vnic *vnic;
unsigned int qp_grp_ref_cnt;
struct usnic_ib_pd *pd;
struct list_head link;
};
static inline
struct usnic_ib_dev *to_usdev(struct ib_device *ibdev)
{
return container_of(ibdev, struct usnic_ib_dev, ib_dev);
}
static inline
struct usnic_ib_ucontext *to_ucontext(struct ib_ucontext *ibucontext)
{
return container_of(ibucontext, struct usnic_ib_ucontext, ibucontext);
}
static inline
struct usnic_ib_pd *to_upd(struct ib_pd *ibpd)
{
return container_of(ibpd, struct usnic_ib_pd, ibpd);
}
static inline
struct usnic_ib_ucontext *to_uucontext(struct ib_ucontext *ibucontext)
{
return container_of(ibucontext, struct usnic_ib_ucontext, ibucontext);
}
static inline
struct usnic_ib_mr *to_umr(struct ib_mr *ibmr)
{
return container_of(ibmr, struct usnic_ib_mr, ibmr);
}
void usnic_ib_log_vf(struct usnic_ib_vf *vf);
#define UPDATE_PTR_LEFT(N, P, L) \
do { \
L -= (N); \
P += (N); \
} while (0)
#endif /* USNIC_IB_H_ */
|
