1 /*
2 * Copyright (C) 2014-2015 Etnaviv Project
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 * SOFTWARE.
22 *
23 * Authors:
24 * Christian Gmeiner <christian.gmeiner@gmail.com>
25 */
26
27 #ifndef ETNAVIV_PRIV_H_
28 #define ETNAVIV_PRIV_H_
29
30 #include <stdlib.h>
31 #include <errno.h>
32 #include <string.h>
33 #include <unistd.h>
34 #include <errno.h>
35 #include <fcntl.h>
36 #include <sys/ioctl.h>
37 #include <pthread.h>
38 #include <stdio.h>
39 #include <assert.h>
40
41 #include "libdrm_macros.h"
42 #include "xf86drm.h"
43 #include "xf86atomic.h"
44
45 #include "util_double_list.h"
46
47 #include "etnaviv_drmif.h"
48 #include "etnaviv_drm.h"
49
50 struct etna_bo_bucket {
51 uint32_t size;
52 struct list_head list;
53 };
54
55 struct etna_bo_cache {
56 struct etna_bo_bucket cache_bucket[14 * 4];
57 unsigned num_buckets;
58 time_t time;
59 };
60
61 struct etna_device {
62 int fd;
63 atomic_t refcnt;
64
65 /* tables to keep track of bo's, to avoid "evil-twin" etna_bo objects:
66 *
67 * handle_table: maps handle to etna_bo
68 * name_table: maps flink name to etna_bo
69 *
70 * We end up needing two tables, because DRM_IOCTL_GEM_OPEN always
71 * returns a new handle. So we need to figure out if the bo is already
72 * open in the process first, before calling gem-open.
73 */
74 void *handle_table, *name_table;
75
76 struct etna_bo_cache bo_cache;
77
78 int closefd; /* call close(fd) upon destruction */
79 };
80
81 drm_private void etna_bo_cache_init(struct etna_bo_cache *cache);
82 drm_private void etna_bo_cache_cleanup(struct etna_bo_cache *cache, time_t time);
83 drm_private struct etna_bo *etna_bo_cache_alloc(struct etna_bo_cache *cache,
84 uint32_t *size, uint32_t flags);
85 drm_private int etna_bo_cache_free(struct etna_bo_cache *cache, struct etna_bo *bo);
86
87 /* for where @table_lock is already held: */
88 drm_private void etna_device_del_locked(struct etna_device *dev);
89
90 /* a GEM buffer object allocated from the DRM device */
91 struct etna_bo {
92 struct etna_device *dev;
93 void *map; /* userspace mmap'ing (if there is one) */
94 uint32_t size;
95 uint32_t handle;
96 uint32_t flags;
97 uint32_t name; /* flink global handle (DRI2 name) */
98 uint64_t offset; /* offset to mmap() */
99 atomic_t refcnt;
100
101 /* in the common case, a bo won't be referenced by more than a single
102 * command stream. So to avoid looping over all the bo's in the
103 * reloc table to find the idx of a bo that might already be in the
104 * table, we cache the idx in the bo. But in order to detect the
105 * slow-path where bo is ref'd in multiple streams, we also must track
106 * the current_stream for which the idx is valid. See bo2idx().
107 */
108 struct etna_cmd_stream *current_stream;
109 uint32_t idx;
110
111 int reuse;
112 struct list_head list; /* bucket-list entry */
113 time_t free_time; /* time when added to bucket-list */
114 };
115
116 struct etna_gpu {
117 struct etna_device *dev;
118 uint32_t core;
119 uint32_t model;
120 uint32_t revision;
121 };
122
123 struct etna_pipe {
124 enum etna_pipe_id id;
125 struct etna_gpu *gpu;
126 };
127
128 struct etna_cmd_stream_priv {
129 struct etna_cmd_stream base;
130 struct etna_pipe *pipe;
131
132 uint32_t last_timestamp;
133
134 /* submit ioctl related tables: */
135 struct {
136 /* bo's table: */
137 struct drm_etnaviv_gem_submit_bo *bos;
138 uint32_t nr_bos, max_bos;
139
140 /* reloc's table: */
141 struct drm_etnaviv_gem_submit_reloc *relocs;
142 uint32_t nr_relocs, max_relocs;
143
144 /* perf's table: */
145 struct drm_etnaviv_gem_submit_pmr *pmrs;
146 uint32_t nr_pmrs, max_pmrs;
147 } submit;
148
149 /* should have matching entries in submit.bos: */
150 struct etna_bo **bos;
151 uint32_t nr_bos, max_bos;
152
153 /* notify callback if buffer reset happened */
154 void (*reset_notify)(struct etna_cmd_stream *stream, void *priv);
155 void *reset_notify_priv;
156 };
157
158 struct etna_perfmon {
159 struct list_head domains;
160 struct etna_pipe *pipe;
161 };
162
163 struct etna_perfmon_domain
164 {
165 struct list_head head;
166 struct list_head signals;
167 uint8_t id;
168 char name[64];
169 };
170
171 struct etna_perfmon_signal
172 {
173 struct list_head head;
174 struct etna_perfmon_domain *domain;
175 uint8_t signal;
176 char name[64];
177 };
178
179 #define ALIGN(v,a) (((v) + (a) - 1) & ~((a) - 1))
180 #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
181
182 #define enable_debug 1 /* TODO make dynamic */
183
184 #define INFO_MSG(fmt, ...) \
185 do { drmMsg("[I] "fmt " (%s:%d)\n", \
186 ##__VA_ARGS__, __FUNCTION__, __LINE__); } while (0)
187 #define DEBUG_MSG(fmt, ...) \
188 do if (enable_debug) { drmMsg("[D] "fmt " (%s:%d)\n", \
189 ##__VA_ARGS__, __FUNCTION__, __LINE__); } while (0)
190 #define WARN_MSG(fmt, ...) \
191 do { drmMsg("[W] "fmt " (%s:%d)\n", \
192 ##__VA_ARGS__, __FUNCTION__, __LINE__); } while (0)
193 #define ERROR_MSG(fmt, ...) \
194 do { drmMsg("[E] " fmt " (%s:%d)\n", \
195 ##__VA_ARGS__, __FUNCTION__, __LINE__); } while (0)
196
197 #define VOID2U64(x) ((uint64_t)(unsigned long)(x))
198
get_abs_timeout(struct drm_etnaviv_timespec * tv,uint64_t ns)199 static inline void get_abs_timeout(struct drm_etnaviv_timespec *tv, uint64_t ns)
200 {
201 struct timespec t;
202 uint32_t s = ns / 1000000000;
203 clock_gettime(CLOCK_MONOTONIC, &t);
204 tv->tv_sec = t.tv_sec + s;
205 tv->tv_nsec = t.tv_nsec + ns - (s * 1000000000);
206 }
207
208 #endif /* ETNAVIV_PRIV_H_ */
209