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
|
/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
/*
* Copyright 2013-2016 Freescale Semiconductor Inc.
*
*/
#ifndef __FSL_DPCON_H
#define __FSL_DPCON_H
/* Data Path Concentrator API
* Contains initialization APIs and runtime control APIs for DPCON
*/
struct fsl_mc_io;
/** General DPCON macros */
/**
* Use it to disable notifications; see dpcon_set_notification()
*/
#define DPCON_INVALID_DPIO_ID (int)(-1)
int dpcon_open(struct fsl_mc_io *mc_io,
u32 cmd_flags,
int dpcon_id,
u16 *token);
int dpcon_close(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token);
int dpcon_enable(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token);
int dpcon_disable(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token);
int dpcon_reset(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token);
/**
* struct dpcon_attr - Structure representing DPCON attributes
* @id: DPCON object ID
* @qbman_ch_id: Channel ID to be used by dequeue operation
* @num_priorities: Number of priorities for the DPCON channel (1-8)
*/
struct dpcon_attr {
int id;
u16 qbman_ch_id;
u8 num_priorities;
};
int dpcon_get_attributes(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
struct dpcon_attr *attr);
/**
* struct dpcon_notification_cfg - Structure representing notification params
* @dpio_id: DPIO object ID; must be configured with a notification channel;
* to disable notifications set it to 'DPCON_INVALID_DPIO_ID';
* @priority: Priority selection within the DPIO channel; valid values
* are 0-7, depending on the number of priorities in that channel
* @user_ctx: User context value provided with each CDAN message
*/
struct dpcon_notification_cfg {
int dpio_id;
u8 priority;
u64 user_ctx;
};
int dpcon_set_notification(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
struct dpcon_notification_cfg *cfg);
#endif /* __FSL_DPCON_H */
|
