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Diffstat (limited to 'freedreno/freedreno_priv.h')
| -rw-r--r-- | freedreno/freedreno_priv.h | 258 |
1 files changed, 258 insertions, 0 deletions
diff --git a/freedreno/freedreno_priv.h b/freedreno/freedreno_priv.h new file mode 100644 index 0000000..b8eac4b --- /dev/null +++ b/freedreno/freedreno_priv.h @@ -0,0 +1,258 @@ +/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */ + +/* + * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Rob Clark <robclark@freedesktop.org> + */ + +#ifndef FREEDRENO_PRIV_H_ +#define FREEDRENO_PRIV_H_ + +#include <stdlib.h> +#include <errno.h> +#include <string.h> +#include <unistd.h> +#include <errno.h> +#include <fcntl.h> +#include <sys/ioctl.h> +#include <pthread.h> +#include <stdio.h> +#include <assert.h> + +#include "libdrm_macros.h" +#include "xf86drm.h" +#include "xf86atomic.h" + +#include "util_double_list.h" +#include "util_math.h" + +#include "freedreno_drmif.h" +#include "freedreno_ringbuffer.h" +#include "drm.h" + +#ifndef TRUE +# define TRUE 1 +#endif +#ifndef FALSE +# define FALSE 0 +#endif + +struct fd_device_funcs { + int (*bo_new_handle)(struct fd_device *dev, uint32_t size, + uint32_t flags, uint32_t *handle); + struct fd_bo * (*bo_from_handle)(struct fd_device *dev, + uint32_t size, uint32_t handle); + struct fd_pipe * (*pipe_new)(struct fd_device *dev, enum fd_pipe_id id, + unsigned prio); + void (*destroy)(struct fd_device *dev); +}; + +struct fd_bo_bucket { + uint32_t size; + struct list_head list; +}; + +struct fd_bo_cache { + struct fd_bo_bucket cache_bucket[14 * 4]; + int num_buckets; + time_t time; +}; + +struct fd_device { + int fd; + enum fd_version version; + atomic_t refcnt; + + /* tables to keep track of bo's, to avoid "evil-twin" fd_bo objects: + * + * handle_table: maps handle to fd_bo + * name_table: maps flink name to fd_bo + * + * We end up needing two tables, because DRM_IOCTL_GEM_OPEN always + * returns a new handle. So we need to figure out if the bo is already + * open in the process first, before calling gem-open. + */ + void *handle_table, *name_table; + + const struct fd_device_funcs *funcs; + + struct fd_bo_cache bo_cache; + struct fd_bo_cache ring_cache; + + int closefd; /* call close(fd) upon destruction */ + + /* just for valgrind: */ + int bo_size; +}; + +drm_private void fd_bo_cache_init(struct fd_bo_cache *cache, int coarse); +drm_private void fd_bo_cache_cleanup(struct fd_bo_cache *cache, time_t time); +drm_private struct fd_bo * fd_bo_cache_alloc(struct fd_bo_cache *cache, + uint32_t *size, uint32_t flags); +drm_private int fd_bo_cache_free(struct fd_bo_cache *cache, struct fd_bo *bo); + +/* for where @table_lock is already held: */ +drm_private void fd_device_del_locked(struct fd_device *dev); + +struct fd_pipe_funcs { + struct fd_ringbuffer * (*ringbuffer_new)(struct fd_pipe *pipe, uint32_t size, + enum fd_ringbuffer_flags flags); + int (*get_param)(struct fd_pipe *pipe, enum fd_param_id param, uint64_t *value); + int (*wait)(struct fd_pipe *pipe, uint32_t timestamp, uint64_t timeout); + void (*destroy)(struct fd_pipe *pipe); +}; + +struct fd_pipe { + struct fd_device *dev; + enum fd_pipe_id id; + uint32_t gpu_id; + atomic_t refcnt; + const struct fd_pipe_funcs *funcs; +}; + +struct fd_ringbuffer_funcs { + void * (*hostptr)(struct fd_ringbuffer *ring); + int (*flush)(struct fd_ringbuffer *ring, uint32_t *last_start, + int in_fence_fd, int *out_fence_fd); + void (*grow)(struct fd_ringbuffer *ring, uint32_t size); + void (*reset)(struct fd_ringbuffer *ring); + void (*emit_reloc)(struct fd_ringbuffer *ring, + const struct fd_reloc *reloc); + uint32_t (*emit_reloc_ring)(struct fd_ringbuffer *ring, + struct fd_ringbuffer *target, uint32_t cmd_idx); + uint32_t (*cmd_count)(struct fd_ringbuffer *ring); + void (*destroy)(struct fd_ringbuffer *ring); +}; + +struct fd_bo_funcs { + int (*offset)(struct fd_bo *bo, uint64_t *offset); + int (*cpu_prep)(struct fd_bo *bo, struct fd_pipe *pipe, uint32_t op); + void (*cpu_fini)(struct fd_bo *bo); + int (*madvise)(struct fd_bo *bo, int willneed); + uint64_t (*iova)(struct fd_bo *bo); + void (*destroy)(struct fd_bo *bo); +}; + +struct fd_bo { + struct fd_device *dev; + uint32_t size; + uint32_t handle; + uint32_t name; + void *map; + atomic_t refcnt; + const struct fd_bo_funcs *funcs; + + enum { + NO_CACHE = 0, + BO_CACHE = 1, + RING_CACHE = 2, + } bo_reuse; + + struct list_head list; /* bucket-list entry */ + time_t free_time; /* time when added to bucket-list */ +}; + +drm_private struct fd_bo *fd_bo_new_ring(struct fd_device *dev, + uint32_t size, uint32_t flags); + +#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0])) + +#define enable_debug 0 /* TODO make dynamic */ + +#define INFO_MSG(fmt, ...) \ + do { drmMsg("[I] "fmt " (%s:%d)\n", \ + ##__VA_ARGS__, __FUNCTION__, __LINE__); } while (0) +#define DEBUG_MSG(fmt, ...) \ + do if (enable_debug) { drmMsg("[D] "fmt " (%s:%d)\n", \ + ##__VA_ARGS__, __FUNCTION__, __LINE__); } while (0) +#define WARN_MSG(fmt, ...) \ + do { drmMsg("[W] "fmt " (%s:%d)\n", \ + ##__VA_ARGS__, __FUNCTION__, __LINE__); } while (0) +#define ERROR_MSG(fmt, ...) \ + do { drmMsg("[E] " fmt " (%s:%d)\n", \ + ##__VA_ARGS__, __FUNCTION__, __LINE__); } while (0) + +#define U642VOID(x) ((void *)(unsigned long)(x)) +#define VOID2U64(x) ((uint64_t)(unsigned long)(x)) + +static inline uint32_t +offset_bytes(void *end, void *start) +{ + return ((char *)end) - ((char *)start); +} + +#if HAVE_VALGRIND +# include <memcheck.h> + +/* + * For tracking the backing memory (if valgrind enabled, we force a mmap + * for the purposes of tracking) + */ +static inline void VG_BO_ALLOC(struct fd_bo *bo) +{ + if (bo && RUNNING_ON_VALGRIND) { + VALGRIND_MALLOCLIKE_BLOCK(fd_bo_map(bo), bo->size, 0, 1); + } +} + +static inline void VG_BO_FREE(struct fd_bo *bo) +{ + VALGRIND_FREELIKE_BLOCK(bo->map, 0); +} + +/* + * For tracking bo structs that are in the buffer-cache, so that valgrind + * doesn't attribute ownership to the first one to allocate the recycled + * bo. + * + * Note that the list_head in fd_bo is used to track the buffers in cache + * so disable error reporting on the range while they are in cache so + * valgrind doesn't squawk about list traversal. + * + */ +static inline void VG_BO_RELEASE(struct fd_bo *bo) +{ + if (RUNNING_ON_VALGRIND) { + VALGRIND_DISABLE_ADDR_ERROR_REPORTING_IN_RANGE(bo, bo->dev->bo_size); + VALGRIND_MAKE_MEM_NOACCESS(bo, bo->dev->bo_size); + VALGRIND_FREELIKE_BLOCK(bo->map, 0); + } +} +static inline void VG_BO_OBTAIN(struct fd_bo *bo) +{ + if (RUNNING_ON_VALGRIND) { + VALGRIND_MAKE_MEM_DEFINED(bo, bo->dev->bo_size); + VALGRIND_ENABLE_ADDR_ERROR_REPORTING_IN_RANGE(bo, bo->dev->bo_size); + VALGRIND_MALLOCLIKE_BLOCK(bo->map, bo->size, 0, 1); + } +} +#else +static inline void VG_BO_ALLOC(struct fd_bo *bo) {} +static inline void VG_BO_FREE(struct fd_bo *bo) {} +static inline void VG_BO_RELEASE(struct fd_bo *bo) {} +static inline void VG_BO_OBTAIN(struct fd_bo *bo) {} +#endif + + +#endif /* FREEDRENO_PRIV_H_ */ |