freedreno_priv.h revision 3f012e29 
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_macros.h"
48#include "xf86drm.h"
49#include "xf86atomic.h"
50
51#include "util_double_list.h"
52
53#include "freedreno_drmif.h"
54#include "freedreno_ringbuffer.h"
55#include "drm.h"
56
57#ifndef TRUE
58#  define TRUE 1
59#endif
60#ifndef FALSE
61#  define FALSE 0
62#endif
63
64struct fd_device_funcs {
65	int (*bo_new_handle)(struct fd_device *dev, uint32_t size,
66			uint32_t flags, uint32_t *handle);
67	struct fd_bo * (*bo_from_handle)(struct fd_device *dev,
68			uint32_t size, uint32_t handle);
69	struct fd_pipe * (*pipe_new)(struct fd_device *dev, enum fd_pipe_id id);
70	void (*destroy)(struct fd_device *dev);
71};
72
73struct fd_bo_bucket {
74	uint32_t size;
75	struct list_head list;
76};
77
78struct fd_bo_cache {
79	struct fd_bo_bucket cache_bucket[14 * 4];
80	int num_buckets;
81	time_t time;
82};
83
84struct fd_device {
85	int fd;
86	enum fd_version version;
87	atomic_t refcnt;
88
89	/* tables to keep track of bo's, to avoid "evil-twin" fd_bo objects:
90	 *
91	 *   handle_table: maps handle to fd_bo
92	 *   name_table: maps flink name to fd_bo
93	 *
94	 * We end up needing two tables, because DRM_IOCTL_GEM_OPEN always
95	 * returns a new handle.  So we need to figure out if the bo is already
96	 * open in the process first, before calling gem-open.
97	 */
98	void *handle_table, *name_table;
99
100	const struct fd_device_funcs *funcs;
101
102	struct fd_bo_cache bo_cache;
103
104	int closefd;        /* call close(fd) upon destruction */
105};
106
107drm_private void fd_bo_cache_init(struct fd_bo_cache *cache, int coarse);
108drm_private void fd_bo_cache_cleanup(struct fd_bo_cache *cache, time_t time);
109drm_private struct fd_bo * fd_bo_cache_alloc(struct fd_bo_cache *cache,
110		uint32_t *size, uint32_t flags);
111drm_private int fd_bo_cache_free(struct fd_bo_cache *cache, struct fd_bo *bo);
112
113/* for where @table_lock is already held: */
114drm_private void fd_device_del_locked(struct fd_device *dev);
115
116struct fd_pipe_funcs {
117	struct fd_ringbuffer * (*ringbuffer_new)(struct fd_pipe *pipe, uint32_t size);
118	int (*get_param)(struct fd_pipe *pipe, enum fd_param_id param, uint64_t *value);
119	int (*wait)(struct fd_pipe *pipe, uint32_t timestamp, uint64_t timeout);
120	void (*destroy)(struct fd_pipe *pipe);
121};
122
123struct fd_pipe {
124	struct fd_device *dev;
125	enum fd_pipe_id id;
126	const struct fd_pipe_funcs *funcs;
127};
128
129struct fd_ringmarker {
130	struct fd_ringbuffer *ring;
131	uint32_t *cur;
132};
133
134struct fd_ringbuffer_funcs {
135	void * (*hostptr)(struct fd_ringbuffer *ring);
136	int (*flush)(struct fd_ringbuffer *ring, uint32_t *last_start);
137	void (*grow)(struct fd_ringbuffer *ring, uint32_t size);
138	void (*reset)(struct fd_ringbuffer *ring);
139	void (*emit_reloc)(struct fd_ringbuffer *ring,
140			const struct fd_reloc *reloc);
141	uint32_t (*emit_reloc_ring)(struct fd_ringbuffer *ring,
142			struct fd_ringbuffer *target, uint32_t cmd_idx,
143			uint32_t submit_offset, uint32_t size);
144	uint32_t (*cmd_count)(struct fd_ringbuffer *ring);
145	void (*destroy)(struct fd_ringbuffer *ring);
146};
147
148struct fd_bo_funcs {
149	int (*offset)(struct fd_bo *bo, uint64_t *offset);
150	int (*cpu_prep)(struct fd_bo *bo, struct fd_pipe *pipe, uint32_t op);
151	void (*cpu_fini)(struct fd_bo *bo);
152	int (*madvise)(struct fd_bo *bo, int willneed);
153	void (*destroy)(struct fd_bo *bo);
154};
155
156struct fd_bo {
157	struct fd_device *dev;
158	uint32_t size;
159	uint32_t handle;
160	uint32_t name;
161	void *map;
162	atomic_t refcnt;
163	const struct fd_bo_funcs *funcs;
164
165	int bo_reuse;
166	struct list_head list;   /* bucket-list entry */
167	time_t free_time;        /* time when added to bucket-list */
168};
169
170#define ALIGN(v,a) (((v) + (a) - 1) & ~((a) - 1))
171#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
172
173#define enable_debug 0  /* TODO make dynamic */
174
175#define INFO_MSG(fmt, ...) \
176		do { drmMsg("[I] "fmt " (%s:%d)\n", \
177				##__VA_ARGS__, __FUNCTION__, __LINE__); } while (0)
178#define DEBUG_MSG(fmt, ...) \
179		do if (enable_debug) { drmMsg("[D] "fmt " (%s:%d)\n", \
180				##__VA_ARGS__, __FUNCTION__, __LINE__); } while (0)
181#define WARN_MSG(fmt, ...) \
182		do { drmMsg("[W] "fmt " (%s:%d)\n", \
183				##__VA_ARGS__, __FUNCTION__, __LINE__); } while (0)
184#define ERROR_MSG(fmt, ...) \
185		do { drmMsg("[E] " fmt " (%s:%d)\n", \
186				##__VA_ARGS__, __FUNCTION__, __LINE__); } while (0)
187
188#define U642VOID(x) ((void *)(unsigned long)(x))
189#define VOID2U64(x) ((uint64_t)(unsigned long)(x))
190
191static inline uint32_t
192offset_bytes(void *end, void *start)
193{
194	return ((char *)end) - ((char *)start);
195}
196
197#endif /* FREEDRENO_PRIV_H_ */
198