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 57 struct 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 66 struct fd_bo_bucket { 67 uint32_t size; 68 struct list_head list; 69 }; 70 71 struct 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 95 void fd_cleanup_bo_cache(struct fd_device *dev, time_t time); 96 97 /* for where @table_lock is already held: */ 98 void fd_device_del_locked(struct fd_device *dev); 99 100 struct 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 }; 106 107 struct fd_pipe { 108 struct fd_device *dev; 109 enum fd_pipe_id id; 110 struct fd_pipe_funcs *funcs; 111 }; 112 113 struct fd_ringmarker { 114 struct fd_ringbuffer *ring; 115 uint32_t *cur; 116 }; 117 118 struct 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 }; 128 129 struct 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 }; 135 136 struct 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