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
|
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2022, Microsoft Corporation. All rights reserved.
*/
#include "mana_ib.h"
#include <net/mana/mana_auxiliary.h>
MODULE_DESCRIPTION("Microsoft Azure Network Adapter IB driver");
MODULE_LICENSE("GPL");
MODULE_IMPORT_NS(NET_MANA);
static const struct ib_device_ops mana_ib_dev_ops = {
.owner = THIS_MODULE,
.driver_id = RDMA_DRIVER_MANA,
.uverbs_abi_ver = MANA_IB_UVERBS_ABI_VERSION,
.alloc_pd = mana_ib_alloc_pd,
.alloc_ucontext = mana_ib_alloc_ucontext,
.create_cq = mana_ib_create_cq,
.create_qp = mana_ib_create_qp,
.create_rwq_ind_table = mana_ib_create_rwq_ind_table,
.create_wq = mana_ib_create_wq,
.dealloc_pd = mana_ib_dealloc_pd,
.dealloc_ucontext = mana_ib_dealloc_ucontext,
.dereg_mr = mana_ib_dereg_mr,
.destroy_cq = mana_ib_destroy_cq,
.destroy_qp = mana_ib_destroy_qp,
.destroy_rwq_ind_table = mana_ib_destroy_rwq_ind_table,
.destroy_wq = mana_ib_destroy_wq,
.disassociate_ucontext = mana_ib_disassociate_ucontext,
.get_port_immutable = mana_ib_get_port_immutable,
.mmap = mana_ib_mmap,
.modify_qp = mana_ib_modify_qp,
.modify_wq = mana_ib_modify_wq,
.query_device = mana_ib_query_device,
.query_gid = mana_ib_query_gid,
.query_port = mana_ib_query_port,
.reg_user_mr = mana_ib_reg_user_mr,
INIT_RDMA_OBJ_SIZE(ib_cq, mana_ib_cq, ibcq),
INIT_RDMA_OBJ_SIZE(ib_pd, mana_ib_pd, ibpd),
INIT_RDMA_OBJ_SIZE(ib_qp, mana_ib_qp, ibqp),
INIT_RDMA_OBJ_SIZE(ib_ucontext, mana_ib_ucontext, ibucontext),
INIT_RDMA_OBJ_SIZE(ib_rwq_ind_table, mana_ib_rwq_ind_table,
ib_ind_table),
};
static int mana_ib_probe(struct auxiliary_device *adev,
const struct auxiliary_device_id *id)
{
struct mana_adev *madev = container_of(adev, struct mana_adev, adev);
struct gdma_dev *mdev = madev->mdev;
struct mana_context *mc;
struct mana_ib_dev *dev;
int ret;
mc = mdev->driver_data;
dev = ib_alloc_device(mana_ib_dev, ib_dev);
if (!dev)
return -ENOMEM;
ib_set_device_ops(&dev->ib_dev, &mana_ib_dev_ops);
dev->ib_dev.phys_port_cnt = mc->num_ports;
ibdev_dbg(&dev->ib_dev, "mdev=%p id=%d num_ports=%d\n", mdev,
mdev->dev_id.as_uint32, dev->ib_dev.phys_port_cnt);
dev->gdma_dev = mdev;
dev->ib_dev.node_type = RDMA_NODE_IB_CA;
/*
* num_comp_vectors needs to set to the max MSIX index
* when interrupts and event queues are implemented
*/
dev->ib_dev.num_comp_vectors = 1;
dev->ib_dev.dev.parent = mdev->gdma_context->dev;
ret = ib_register_device(&dev->ib_dev, "mana_%d",
mdev->gdma_context->dev);
if (ret) {
ib_dealloc_device(&dev->ib_dev);
return ret;
}
dev_set_drvdata(&adev->dev, dev);
return 0;
}
static void mana_ib_remove(struct auxiliary_device *adev)
{
struct mana_ib_dev *dev = dev_get_drvdata(&adev->dev);
ib_unregister_device(&dev->ib_dev);
ib_dealloc_device(&dev->ib_dev);
}
static const struct auxiliary_device_id mana_id_table[] = {
{
.name = "mana.rdma",
},
{},
};
MODULE_DEVICE_TABLE(auxiliary, mana_id_table);
static struct auxiliary_driver mana_driver = {
.name = "rdma",
.probe = mana_ib_probe,
.remove = mana_ib_remove,
.id_table = mana_id_table,
};
module_auxiliary_driver(mana_driver);
|
