summaryrefslogtreecommitdiffstats
path: root/drivers/bus/fslmc/mc/fsl_dpbp.h
blob: 111836261aa306de36b478f253e9f9d84e261623 (plain)
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
/* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0)
 *
 * Copyright 2013-2016 Freescale Semiconductor Inc.
 * Copyright 2016-2017 NXP
 *
 */
#ifndef __FSL_DPBP_H
#define __FSL_DPBP_H

/*
 * Data Path Buffer Pool API
 * Contains initialization APIs and runtime control APIs for DPBP
 */

struct fsl_mc_io;

int dpbp_open(struct fsl_mc_io *mc_io,
	      uint32_t cmd_flags,
	      int dpbp_id,
	      uint16_t *token);

int dpbp_close(struct fsl_mc_io *mc_io,
	       uint32_t cmd_flags,
	       uint16_t token);

/**
 * struct dpbp_cfg - Structure representing DPBP configuration
 * @options:	place holder
 */
struct dpbp_cfg {
	uint32_t options;
};

int dpbp_create(struct fsl_mc_io *mc_io,
		uint16_t dprc_token,
		uint32_t cmd_flags,
		const struct dpbp_cfg *cfg,
		uint32_t *obj_id);

int dpbp_destroy(struct fsl_mc_io *mc_io,
		 uint16_t dprc_token,
		 uint32_t cmd_flags,
		 uint32_t obj_id);

int dpbp_enable(struct fsl_mc_io *mc_io,
		uint32_t cmd_flags,
		uint16_t token);

int dpbp_disable(struct fsl_mc_io *mc_io,
		 uint32_t cmd_flags,
		 uint16_t token);

int dpbp_is_enabled(struct fsl_mc_io *mc_io,
		    uint32_t cmd_flags,
		    uint16_t token,
		    int *en);

int dpbp_reset(struct fsl_mc_io *mc_io,
	       uint32_t cmd_flags,
	       uint16_t token);

/**
 * struct dpbp_attr - Structure representing DPBP attributes
 * @id:		DPBP object ID
 * @bpid:	Hardware buffer pool ID; should be used as an argument in
 *		acquire/release operations on buffers
 */
struct dpbp_attr {
	int id;
	uint16_t bpid;
};

int dpbp_get_attributes(struct fsl_mc_io *mc_io,
			uint32_t cmd_flags,
			uint16_t token,
			struct dpbp_attr *attr);

/**
 *  DPBP notifications options
 */

/**
 * BPSCN write will attempt to allocate into a cache (coherent write)
 */
int dpbp_get_api_version(struct fsl_mc_io *mc_io,
			 uint32_t cmd_flags,
			 uint16_t *major_ver,
			 uint16_t *minor_ver);

int dpbp_get_num_free_bufs(struct fsl_mc_io *mc_io,
			   uint32_t cmd_flags,
			   uint16_t token,
			   uint32_t *num_free_bufs);

#endif /* __FSL_DPBP_H */