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
|
#ifndef _GPXE_IB_CM_H
#define _GPXE_IB_CM_H
/** @file
*
* Infiniband communication management
*
*/
FILE_LICENCE ( GPL2_OR_LATER );
#include <gpxe/infiniband.h>
#include <gpxe/retry.h>
struct ib_mad_transaction;
struct ib_connection;
/** Infiniband connection operations */
struct ib_connection_operations {
/** Handle change of connection status
*
* @v ibdev Infiniband device
* @v qp Queue pair
* @v conn Connection
* @v rc Connection status code
* @v private_data Private data, if available
* @v private_data_len Length of private data
*/
void ( * changed ) ( struct ib_device *ibdev, struct ib_queue_pair *qp,
struct ib_connection *conn, int rc,
void *private_data, size_t private_data_len );
};
/** An Infiniband connection */
struct ib_connection {
/** Infiniband device */
struct ib_device *ibdev;
/** Queue pair */
struct ib_queue_pair *qp;
/** Local communication ID */
uint32_t local_id;
/** Remote communication ID */
uint32_t remote_id;
/** Target service ID */
struct ib_gid_half service_id;
/** Connection operations */
struct ib_connection_operations *op;
/** List of connections */
struct list_head list;
/** Path to target */
struct ib_path *path;
/** Connection request management transaction */
struct ib_mad_transaction *madx;
/** Length of connection request private data */
size_t private_data_len;
/** Connection request private data */
uint8_t private_data[0];
};
extern struct ib_connection *
ib_create_conn ( struct ib_device *ibdev, struct ib_queue_pair *qp,
struct ib_gid *dgid, struct ib_gid_half *service_id,
void *req_private_data, size_t req_private_data_len,
struct ib_connection_operations *op );
extern void ib_destroy_conn ( struct ib_device *ibdev,
struct ib_queue_pair *qp,
struct ib_connection *conn );
#endif /* _GPXE_IB_CM_H */
|
