summaryrefslogtreecommitdiff
path: root/freedreno/freedreno_priv.h
blob: 3c194fb3e9b073e58870cbb0f52cbf88389fc896 (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
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
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */

/*
 * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * 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.
 *
 * Authors:
 *    Rob Clark <robclark@freedesktop.org>
 */

#ifndef FREEDRENO_PRIV_H_
#define FREEDRENO_PRIV_H_

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <stdlib.h>
#include <errno.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <pthread.h>
#include <stdio.h>
#include <assert.h>

#include "libdrm_macros.h"
#include "xf86drm.h"
#include "xf86atomic.h"

#include "list.h"

#include "freedreno_drmif.h"
#include "freedreno_ringbuffer.h"
#include "drm.h"

struct fd_device_funcs {
	int (*bo_new_handle)(struct fd_device *dev, uint32_t size,
			uint32_t flags, uint32_t *handle);
	struct fd_bo * (*bo_from_handle)(struct fd_device *dev,
			uint32_t size, uint32_t handle);
	struct fd_pipe * (*pipe_new)(struct fd_device *dev, enum fd_pipe_id id);
	void (*destroy)(struct fd_device *dev);
};

struct fd_bo_bucket {
	uint32_t size;
	struct list_head list;
};

struct fd_device {
	int fd;
	atomic_t refcnt;

	/* tables to keep track of bo's, to avoid "evil-twin" fd_bo objects:
	 *
	 *   handle_table: maps handle to fd_bo
	 *   name_table: maps flink name to fd_bo
	 *
	 * We end up needing two tables, because DRM_IOCTL_GEM_OPEN always
	 * returns a new handle.  So we need to figure out if the bo is already
	 * open in the process first, before calling gem-open.
	 */
	void *handle_table, *name_table;

	struct fd_device_funcs *funcs;

	struct fd_bo_bucket cache_bucket[14 * 4];
	int num_buckets;
	time_t time;

	int closefd;        /* call close(fd) upon destruction */
};

drm_private void fd_cleanup_bo_cache(struct fd_device *dev, time_t time);

/* for where @table_lock is already held: */
drm_private void fd_device_del_locked(struct fd_device *dev);

struct fd_pipe_funcs {
	struct fd_ringbuffer * (*ringbuffer_new)(struct fd_pipe *pipe, uint32_t size);
	int (*get_param)(struct fd_pipe *pipe, enum fd_param_id param, uint64_t *value);
	int (*wait)(struct fd_pipe *pipe, uint32_t timestamp);
	void (*destroy)(struct fd_pipe *pipe);
};

struct fd_pipe {
	struct fd_device *dev;
	enum fd_pipe_id id;
	struct fd_pipe_funcs *funcs;
};

struct fd_ringmarker {
	struct fd_ringbuffer *ring;
	uint32_t *cur;
};

struct fd_ringbuffer_funcs {
	void * (*hostptr)(struct fd_ringbuffer *ring);
	int (*flush)(struct fd_ringbuffer *ring, uint32_t *last_start);
	void (*reset)(struct fd_ringbuffer *ring);
	void (*emit_reloc)(struct fd_ringbuffer *ring,
			const struct fd_reloc *reloc);
	void (*emit_reloc_ring)(struct fd_ringbuffer *ring,
			struct fd_ringmarker *target, struct fd_ringmarker *end);
	void (*destroy)(struct fd_ringbuffer *ring);
};

struct fd_bo_funcs {
	int (*offset)(struct fd_bo *bo, uint64_t *offset);
	int (*cpu_prep)(struct fd_bo *bo, struct fd_pipe *pipe, uint32_t op);
	void (*cpu_fini)(struct fd_bo *bo);
	void (*destroy)(struct fd_bo *bo);
};

struct fd_bo {
	struct fd_device *dev;
	uint32_t size;
	uint32_t handle;
	uint32_t name;
	int fd;          /* dmabuf handle */
	void *map;
	atomic_t refcnt;
	struct fd_bo_funcs *funcs;

	int bo_reuse;
	struct list_head list;   /* bucket-list entry */
	time_t free_time;        /* time when added to bucket-list */
};

#define ALIGN(v,a) (((v) + (a) - 1) & ~((a) - 1))
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))

#define enable_debug 0  /* TODO make dynamic */

#define INFO_MSG(fmt, ...) \
		do { drmMsg("[I] "fmt " (%s:%d)\n", \
				##__VA_ARGS__, __FUNCTION__, __LINE__); } while (0)
#define DEBUG_MSG(fmt, ...) \
		do if (enable_debug) { drmMsg("[D] "fmt " (%s:%d)\n", \
				##__VA_ARGS__, __FUNCTION__, __LINE__); } while (0)
#define WARN_MSG(fmt, ...) \
		do { drmMsg("[W] "fmt " (%s:%d)\n", \
				##__VA_ARGS__, __FUNCTION__, __LINE__); } while (0)
#define ERROR_MSG(fmt, ...) \
		do { drmMsg("[E] " fmt " (%s:%d)\n", \
				##__VA_ARGS__, __FUNCTION__, __LINE__); } while (0)

#define U642VOID(x) ((void *)(unsigned long)(x))
#define VOID2U64(x) ((uint64_t)(unsigned long)(x))

#endif /* FREEDRENO_PRIV_H_ */