LXR linux/drivers/gpu/drm/i915/gt/intel_gt_buffer

   1/* SPDX-License-Identifier: MIT */
   2/*
   3 * Copyright © 2014-2018 Intel Corporation
   4 */
   5
   6#ifndef INTEL_GT_BUFFER_POOL_H
   7#define INTEL_GT_BUFFER_POOL_H
   8
   9#include <linux/types.h>
  10
  11#include "i915_active.h"
  12#include "intel_gt_buffer_pool_types.h"
  13
  14struct intel_gt;
  15struct i915_request;
  16
  17struct intel_gt_buffer_pool_node *
  18intel_gt_get_buffer_pool(struct intel_gt *gt, size_t size,
  19                         enum i915_map_type type);
  20
  21void intel_gt_buffer_pool_mark_used(struct intel_gt_buffer_pool_node *node);
  22
  23static inline int
  24intel_gt_buffer_pool_mark_active(struct intel_gt_buffer_pool_node *node,
  25                                 struct i915_request *rq)
  26{
  27        /* did we call mark_used? */
  28        GEM_WARN_ON(!node->pinned);
  29
  30        return i915_active_add_request(&node->active, rq);
  31}
  32
  33static inline void
  34intel_gt_buffer_pool_put(struct intel_gt_buffer_pool_node *node)
  35{
  36        i915_active_release(&node->active);
  37}
  38
  39void intel_gt_init_buffer_pool(struct intel_gt *gt);
  40void intel_gt_flush_buffer_pool(struct intel_gt *gt);
  41void intel_gt_fini_buffer_pool(struct intel_gt *gt);
  42
  43#endif /* INTEL_GT_BUFFER_POOL_H */
  44