freedreno_priv.h revision baaff307 
1/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
2
3/*
4 * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the next
14 * paragraph) shall be included in all copies or substantial portions of the
15 * Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23 * SOFTWARE.
24 *
25 * Authors:
26 *    Rob Clark <robclark@freedesktop.org>
27 */
28
29#ifndef FREEDRENO_PRIV_H_
30#define FREEDRENO_PRIV_H_
31
32#ifdef HAVE_CONFIG_H
33#include "config.h"
34#endif
35
36#include <stdlib.h>
37#include <errno.h>
38#include <string.h>
39#include <unistd.h>
40#include <errno.h>
41#include <fcntl.h>
42#include <sys/ioctl.h>
43#include <pthread.h>
44#include <stdio.h>
45#include <assert.h>
46
47#include "libdrm.h"
48#include "xf86drm.h"
49#include "xf86atomic.h"
50
51#include "list.h"
52
53#include "freedreno_drmif.h"
54#include "freedreno_ringbuffer.h"
55#include "drm.h"
56
57struct fd_device_funcs {
58	int (*bo_new_handle)(struct fd_device *dev, uint32_t size,
59			uint32_t flags, uint32_t *handle);
60	struct fd_bo * (*bo_from_handle)(struct fd_device *dev,
61			uint32_t size, uint32_t handle);
62	struct fd_pipe * (*pipe_new)(struct fd_device *dev, enum fd_pipe_id id);
63	void (*destroy)(struct fd_device *dev);
64};
65
66struct fd_bo_bucket {
67	uint32_t size;
68	struct list_head list;
69};
70
71struct fd_device {
72	int fd;
73	atomic_t refcnt;
74
75	/* tables to keep track of bo's, to avoid "evil-twin" fd_bo objects:
76	 *
77	 *   handle_table: maps handle to fd_bo
78	 *   name_table: maps flink name to fd_bo
79	 *
80	 * We end up needing two tables, because DRM_IOCTL_GEM_OPEN always
81	 * returns a new handle.  So we need to figure out if the bo is already
82	 * open in the process first, before calling gem-open.
83	 */
84	void *handle_table, *name_table;
85
86	struct fd_device_funcs *funcs;
87
88	struct fd_bo_bucket cache_bucket[14 * 4];
89	int num_buckets;
90	time_t time;
91
92	int closefd;        /* call close(fd) upon destruction */
93};
94
95void fd_cleanup_bo_cache(struct fd_device *dev, time_t time);
96
97/* for where @table_lock is already held: */
98void fd_device_del_locked(struct fd_device *dev);
99
100struct fd_pipe_funcs {
101	struct fd_ringbuffer * (*ringbuffer_new)(struct fd_pipe *pipe, uint32_t size);
102	int (*get_param)(struct fd_pipe *pipe, enum fd_param_id param, uint64_t *value);
103	int (*wait)(struct fd_pipe *pipe, uint32_t timestamp);
104	void (*destroy)(struct fd_pipe *pipe);
105};
106
107struct fd_pipe {
108	struct fd_device *dev;
109	enum fd_pipe_id id;
110	struct fd_pipe_funcs *funcs;
111};
112
113struct fd_ringmarker {
114	struct fd_ringbuffer *ring;
115	uint32_t *cur;
116};
117
118struct fd_ringbuffer_funcs {
119	void * (*hostptr)(struct fd_ringbuffer *ring);
120	int (*flush)(struct fd_ringbuffer *ring, uint32_t *last_start);
121	void (*reset)(struct fd_ringbuffer *ring);
122	void (*emit_reloc)(struct fd_ringbuffer *ring,
123			const struct fd_reloc *reloc);
124	void (*emit_reloc_ring)(struct fd_ringbuffer *ring,
125			struct fd_ringmarker *target, struct fd_ringmarker *end);
126	void (*destroy)(struct fd_ringbuffer *ring);
127};
128
129struct fd_bo_funcs {
130	int (*offset)(struct fd_bo *bo, uint64_t *offset);
131	int (*cpu_prep)(struct fd_bo *bo, struct fd_pipe *pipe, uint32_t op);
132	void (*cpu_fini)(struct fd_bo *bo);
133	void (*destroy)(struct fd_bo *bo);
134};
135
136struct fd_bo {
137	struct fd_device *dev;
138	uint32_t size;
139	uint32_t handle;
140	uint32_t name;
141	int fd;          /* dmabuf handle */
142	void *map;
143	atomic_t refcnt;
144	struct fd_bo_funcs *funcs;
145
146	int bo_reuse;
147	struct list_head list;   /* bucket-list entry */
148	time_t free_time;        /* time when added to bucket-list */
149};
150
151#define ALIGN(v,a) (((v) + (a) - 1) & ~((a) - 1))
152#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
153
154#define enable_debug 0  /* TODO make dynamic */
155
156#define INFO_MSG(fmt, ...) \
157		do { drmMsg("[I] "fmt " (%s:%d)\n", \
158				##__VA_ARGS__, __FUNCTION__, __LINE__); } while (0)
159#define DEBUG_MSG(fmt, ...) \
160		do if (enable_debug) { drmMsg("[D] "fmt " (%s:%d)\n", \
161				##__VA_ARGS__, __FUNCTION__, __LINE__); } while (0)
162#define WARN_MSG(fmt, ...) \
163		do { drmMsg("[W] "fmt " (%s:%d)\n", \
164				##__VA_ARGS__, __FUNCTION__, __LINE__); } while (0)
165#define ERROR_MSG(fmt, ...) \
166		do { drmMsg("[E] " fmt " (%s:%d)\n", \
167				##__VA_ARGS__, __FUNCTION__, __LINE__); } while (0)
168
169#define U642VOID(x) ((void *)(unsigned long)(x))
170#define VOID2U64(x) ((uint64_t)(unsigned long)(x))
171
172#endif /* FREEDRENO_PRIV_H_ */
173