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 14 struct intel_gt; 15 struct i915_request; 16 17 struct intel_gt_buffer_pool_node * 18 intel_gt_get_buffer_pool(struct intel_gt *gt, size_t size, 19 enum i915_map_type type); 20 21 void intel_gt_buffer_pool_mark_used(struct intel_gt_buffer_pool_node *node); 22 23 static inline int intel_gt_buffer_pool_mark_active(struct intel_gt_buffer_pool_node * node,struct i915_request * rq)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 33 static inline void intel_gt_buffer_pool_put(struct intel_gt_buffer_pool_node * node)34intel_gt_buffer_pool_put(struct intel_gt_buffer_pool_node *node) 35 { 36 i915_active_release(&node->active); 37 } 38 39 void intel_gt_init_buffer_pool(struct intel_gt *gt); 40 void intel_gt_flush_buffer_pool(struct intel_gt *gt); 41 void intel_gt_fini_buffer_pool(struct intel_gt *gt); 42 43 #endif /* INTEL_GT_BUFFER_POOL_H */ 44