1 /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */ 2 3 /* 4 * Copyright (C) 2012 Rob Clark <robclark (at) 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 (at) 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 64 struct 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 73 struct fd_bo_bucket { 74 uint32_t size; 75 struct list_head list; 76 }; 77 78 struct fd_bo_cache { 79 struct fd_bo_bucket cache_bucket[14 * 4]; 80 int num_buckets; 81 time_t time; 82 }; 83 84 struct 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 }; 106 107 drm_private void fd_bo_cache_init(struct fd_bo_cache *cache, int coarse); 108 drm_private void fd_bo_cache_cleanup(struct fd_bo_cache *cache, time_t time); 109 drm_private struct fd_bo * fd_bo_cache_alloc(struct fd_bo_cache *cache, 110 uint32_t *size, uint32_t flags); 111 drm_private int fd_bo_cache_free(struct fd_bo_cache *cache, struct fd_bo *bo); 112 113 /* for where @table_lock is already held: */ 114 drm_private void fd_device_del_locked(struct fd_device *dev); 115 116 struct 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 }; 122 123 struct fd_pipe { 124 struct fd_device *dev; 125 enum fd_pipe_id id; 126 uint32_t gpu_id; 127 const struct fd_pipe_funcs *funcs; 128 }; 129 130 struct fd_ringmarker { 131 struct fd_ringbuffer *ring; 132 uint32_t *cur; 133 }; 134 135 struct fd_ringbuffer_funcs { 136 void * (*hostptr)(struct fd_ringbuffer *ring); 137 int (*flush)(struct fd_ringbuffer *ring, uint32_t *last_start, 138 int in_fence_fd, int *out_fence_fd); 139 void (*grow)(struct fd_ringbuffer *ring, uint32_t size); 140 void (*reset)(struct fd_ringbuffer *ring); 141 void (*emit_reloc)(struct fd_ringbuffer *ring, 142 const struct fd_reloc *reloc); 143 uint32_t (*emit_reloc_ring)(struct fd_ringbuffer *ring, 144 struct fd_ringbuffer *target, uint32_t cmd_idx, 145 uint32_t submit_offset, uint32_t size); 146 uint32_t (*cmd_count)(struct fd_ringbuffer *ring); 147 void (*destroy)(struct fd_ringbuffer *ring); 148 }; 149 150 struct fd_bo_funcs { 151 int (*offset)(struct fd_bo *bo, uint64_t *offset); 152 int (*cpu_prep)(struct fd_bo *bo, struct fd_pipe *pipe, uint32_t op); 153 void (*cpu_fini)(struct fd_bo *bo); 154 int (*madvise)(struct fd_bo *bo, int willneed); 155 void (*destroy)(struct fd_bo *bo); 156 }; 157 158 struct fd_bo { 159 struct fd_device *dev; 160 uint32_t size; 161 uint32_t handle; 162 uint32_t name; 163 void *map; 164 atomic_t refcnt; 165 const struct fd_bo_funcs *funcs; 166 167 int bo_reuse; 168 struct list_head list; /* bucket-list entry */ 169 time_t free_time; /* time when added to bucket-list */ 170 }; 171 172 #define ALIGN(v,a) (((v) + (a) - 1) & ~((a) - 1)) 173 #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0])) 174 175 #define enable_debug 0 /* TODO make dynamic */ 176 177 #define INFO_MSG(fmt, ...) \ 178 do { drmMsg("[I] "fmt " (%s:%d)\n", \ 179 ##__VA_ARGS__, __FUNCTION__, __LINE__); } while (0) 180 #define DEBUG_MSG(fmt, ...) \ 181 do if (enable_debug) { drmMsg("[D] "fmt " (%s:%d)\n", \ 182 ##__VA_ARGS__, __FUNCTION__, __LINE__); } while (0) 183 #define WARN_MSG(fmt, ...) \ 184 do { drmMsg("[W] "fmt " (%s:%d)\n", \ 185 ##__VA_ARGS__, __FUNCTION__, __LINE__); } while (0) 186 #define ERROR_MSG(fmt, ...) \ 187 do { drmMsg("[E] " fmt " (%s:%d)\n", \ 188 ##__VA_ARGS__, __FUNCTION__, __LINE__); } while (0) 189 190 #define U642VOID(x) ((void *)(unsigned long)(x)) 191 #define VOID2U64(x) ((uint64_t)(unsigned long)(x)) 192 193 static inline uint32_t 194 offset_bytes(void *end, void *start) 195 { 196 return ((char *)end) - ((char *)start); 197 } 198 199 #endif /* FREEDRENO_PRIV_H_ */ 200
