freedreno_priv.h revision e88f27b3 
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#include <stdlib.h>
33#include <errno.h>
34#include <string.h>
35#include <unistd.h>
36#include <errno.h>
37#include <fcntl.h>
38#include <sys/ioctl.h>
39#include <sys/mman.h>
40#include <pthread.h>
41#include <stdio.h>
42#include <assert.h>
43
44#include "xf86drm.h"
45#include "xf86atomic.h"
46
47#include "list.h"
48
49#include "freedreno_drmif.h"
50#include "freedreno_ringbuffer.h"
51#include "drm.h"
52
53struct fd_device_funcs {
54	int (*bo_new_handle)(struct fd_device *dev, uint32_t size,
55			uint32_t flags, uint32_t *handle);
56	struct fd_bo * (*bo_from_handle)(struct fd_device *dev,
57			uint32_t size, uint32_t handle);
58	struct fd_pipe * (*pipe_new)(struct fd_device *dev, enum fd_pipe_id id);
59	void (*destroy)(struct fd_device *dev);
60};
61
62struct fd_bo_bucket {
63	uint32_t size;
64	struct list_head list;
65};
66
67struct fd_device {
68	int fd;
69	atomic_t refcnt;
70
71	/* tables to keep track of bo's, to avoid "evil-twin" fd_bo objects:
72	 *
73	 *   handle_table: maps handle to fd_bo
74	 *   name_table: maps flink name to fd_bo
75	 *
76	 * We end up needing two tables, because DRM_IOCTL_GEM_OPEN always
77	 * returns a new handle.  So we need to figure out if the bo is already
78	 * open in the process first, before calling gem-open.
79	 */
80	void *handle_table, *name_table;
81
82	struct fd_device_funcs *funcs;
83
84	struct fd_bo_bucket cache_bucket[14 * 4];
85	int num_buckets;
86	time_t time;
87
88	int closefd;        /* call close(fd) upon destruction */
89};
90
91void fd_cleanup_bo_cache(struct fd_device *dev, time_t time);
92
93/* for where @table_lock is already held: */
94void fd_device_del_locked(struct fd_device *dev);
95
96struct fd_pipe_funcs {
97	struct fd_ringbuffer * (*ringbuffer_new)(struct fd_pipe *pipe, uint32_t size);
98	int (*get_param)(struct fd_pipe *pipe, enum fd_param_id param, uint64_t *value);
99	int (*wait)(struct fd_pipe *pipe, uint32_t timestamp);
100	void (*destroy)(struct fd_pipe *pipe);
101};
102
103struct fd_pipe {
104	struct fd_device *dev;
105	enum fd_pipe_id id;
106	struct fd_pipe_funcs *funcs;
107};
108
109struct fd_ringmarker {
110	struct fd_ringbuffer *ring;
111	uint32_t *cur;
112};
113
114struct fd_ringbuffer_funcs {
115	void * (*hostptr)(struct fd_ringbuffer *ring);
116	int (*flush)(struct fd_ringbuffer *ring, uint32_t *last_start);
117	void (*emit_reloc)(struct fd_ringbuffer *ring,
118			const struct fd_reloc *reloc);
119	void (*emit_reloc_ring)(struct fd_ringbuffer *ring,
120			struct fd_ringmarker *target, struct fd_ringmarker *end);
121	void (*destroy)(struct fd_ringbuffer *ring);
122};
123
124struct fd_bo_funcs {
125	int (*offset)(struct fd_bo *bo, uint64_t *offset);
126	int (*cpu_prep)(struct fd_bo *bo, struct fd_pipe *pipe, uint32_t op);
127	void (*cpu_fini)(struct fd_bo *bo);
128	void (*destroy)(struct fd_bo *bo);
129};
130
131struct fd_bo {
132	struct fd_device *dev;
133	uint32_t size;
134	uint32_t handle;
135	uint32_t name;
136	void *map;
137	atomic_t refcnt;
138	struct fd_bo_funcs *funcs;
139
140	int bo_reuse;
141	struct list_head list;   /* bucket-list entry */
142	time_t free_time;        /* time when added to bucket-list */
143};
144
145struct fd_bo *fd_bo_from_handle(struct fd_device *dev,
146		uint32_t handle, uint32_t size);
147
148#define ALIGN(v,a) (((v) + (a) - 1) & ~((a) - 1))
149#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
150
151#define enable_debug 0  /* TODO make dynamic */
152
153#define INFO_MSG(fmt, ...) \
154		do { drmMsg("[I] "fmt " (%s:%d)\n", \
155				##__VA_ARGS__, __FUNCTION__, __LINE__); } while (0)
156#define DEBUG_MSG(fmt, ...) \
157		do if (enable_debug) { drmMsg("[D] "fmt " (%s:%d)\n", \
158				##__VA_ARGS__, __FUNCTION__, __LINE__); } while (0)
159#define WARN_MSG(fmt, ...) \
160		do { drmMsg("[W] "fmt " (%s:%d)\n", \
161				##__VA_ARGS__, __FUNCTION__, __LINE__); } while (0)
162#define ERROR_MSG(fmt, ...) \
163		do { drmMsg("[E] " fmt " (%s:%d)\n", \
164				##__VA_ARGS__, __FUNCTION__, __LINE__); } while (0)
165
166#define U642VOID(x) ((void *)(unsigned long)(x))
167#define VOID2U64(x) ((uint64_t)(unsigned long)(x))
168
169#endif /* FREEDRENO_PRIV_H_ */
170