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+/*
+ * Copyright (C) 2014-2015 Etnaviv Project
+ *
+ * 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:
+ * Christian Gmeiner <christian.gmeiner@gmail.com>
+ */
+
+#ifndef ETNAVIV_PRIV_H_
+#define ETNAVIV_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 "etnaviv_drmif.h"
+#include "etnaviv_drm.h"
+
+struct etna_bo_bucket {
+ uint32_t size;
+ struct list_head list;
+};
+
+struct etna_bo_cache {
+ struct etna_bo_bucket cache_bucket[14 * 4];
+ unsigned num_buckets;
+ time_t time;
+};
+
+struct etna_device {
+ int fd;
+ atomic_t refcnt;
+
+ /* tables to keep track of bo's, to avoid "evil-twin" etna_bo objects:
+ *
+ * handle_table: maps handle to etna_bo
+ * name_table: maps flink name to etna_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;
+
+ struct etna_bo_cache bo_cache;
+
+ int closefd; /* call close(fd) upon destruction */
+};
+
+drm_private void etna_bo_cache_init(struct etna_bo_cache *cache);
+drm_private void etna_bo_cache_cleanup(struct etna_bo_cache *cache, time_t time);
+drm_private struct etna_bo *etna_bo_cache_alloc(struct etna_bo_cache *cache,
+ uint32_t *size, uint32_t flags);
+drm_private int etna_bo_cache_free(struct etna_bo_cache *cache, struct etna_bo *bo);
+
+/* for where @table_lock is already held: */
+drm_private void etna_device_del_locked(struct etna_device *dev);
+
+/* a GEM buffer object allocated from the DRM device */
+struct etna_bo {
+ struct etna_device *dev;
+ void *map; /* userspace mmap'ing (if there is one) */
+ uint32_t size;
+ uint32_t handle;
+ uint32_t flags;
+ uint32_t name; /* flink global handle (DRI2 name) */
+ uint64_t offset; /* offset to mmap() */
+ atomic_t refcnt;
+
+ /* in the common case, a bo won't be referenced by more than a single
+ * command stream. So to avoid looping over all the bo's in the
+ * reloc table to find the idx of a bo that might already be in the
+ * table, we cache the idx in the bo. But in order to detect the
+ * slow-path where bo is ref'd in multiple streams, we also must track
+ * the current_stream for which the idx is valid. See bo2idx().
+ */
+ struct etna_cmd_stream *current_stream;
+ uint32_t idx;
+
+ int reuse;
+ struct list_head list; /* bucket-list entry */
+ time_t free_time; /* time when added to bucket-list */
+};
+
+struct etna_gpu {
+ struct etna_device *dev;
+ uint32_t core;
+ uint32_t model;
+ uint32_t revision;
+};
+
+struct etna_pipe {
+ enum etna_pipe_id id;
+ struct etna_gpu *gpu;
+};
+
+struct etna_cmd_stream_priv {
+ struct etna_cmd_stream base;
+ struct etna_pipe *pipe;
+
+ uint32_t last_timestamp;
+
+ /* submit ioctl related tables: */
+ struct {
+ /* bo's table: */
+ struct drm_etnaviv_gem_submit_bo *bos;
+ uint32_t nr_bos, max_bos;
+
+ /* reloc's table: */
+ struct drm_etnaviv_gem_submit_reloc *relocs;
+ uint32_t nr_relocs, max_relocs;
+
+ /* perf's table: */
+ struct drm_etnaviv_gem_submit_pmr *pmrs;
+ uint32_t nr_pmrs, max_pmrs;
+ } submit;
+
+ /* should have matching entries in submit.bos: */
+ struct etna_bo **bos;
+ uint32_t nr_bos, max_bos;
+
+ /* notify callback if buffer reset happened */
+ void (*reset_notify)(struct etna_cmd_stream *stream, void *priv);
+ void *reset_notify_priv;
+};
+
+struct etna_perfmon {
+ struct list_head domains;
+ struct etna_pipe *pipe;
+};
+
+struct etna_perfmon_domain
+{
+ struct list_head head;
+ struct list_head signals;
+ uint8_t id;
+ char name[64];
+};
+
+struct etna_perfmon_signal
+{
+ struct list_head head;
+ struct etna_perfmon_domain *domain;
+ uint8_t signal;
+ char name[64];
+};
+
+#define ALIGN(v,a) (((v) + (a) - 1) & ~((a) - 1))
+#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
+
+#define enable_debug 1 /* 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 VOID2U64(x) ((uint64_t)(unsigned long)(x))
+
+static inline void get_abs_timeout(struct drm_etnaviv_timespec *tv, uint64_t ns)
+{
+ struct timespec t;
+ uint32_t s = ns / 1000000000;
+ clock_gettime(CLOCK_MONOTONIC, &t);
+ tv->tv_sec = t.tv_sec + s;
+ tv->tv_nsec = t.tv_nsec + ns - (s * 1000000000);
+}
+
+#endif /* ETNAVIV_PRIV_H_ */