78 lines
1.6 KiB
C
78 lines
1.6 KiB
C
/*
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* SPDX-License-Identifier: MIT
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*
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* Copyright © 2019 Intel Corporation
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*/
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#ifndef __INTEL_CONTEXT_TYPES__
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#define __INTEL_CONTEXT_TYPES__
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#include <linux/kref.h>
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#include <linux/list.h>
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#include <linux/mutex.h>
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#include <linux/rbtree.h>
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#include <linux/types.h>
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#include "i915_active_types.h"
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#include "intel_engine_types.h"
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struct i915_gem_context;
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struct i915_vma;
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struct intel_context;
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struct intel_ring;
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struct intel_context_ops {
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int (*pin)(struct intel_context *ce);
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void (*unpin)(struct intel_context *ce);
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void (*reset)(struct intel_context *ce);
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void (*destroy)(struct kref *kref);
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};
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/*
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* Powergating configuration for a particular (context,engine).
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*/
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struct intel_sseu {
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u8 slice_mask;
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u8 subslice_mask;
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u8 min_eus_per_subslice;
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u8 max_eus_per_subslice;
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};
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struct intel_context {
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struct kref ref;
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struct i915_gem_context *gem_context;
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struct intel_engine_cs *engine;
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struct intel_engine_cs *active;
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struct list_head active_link;
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struct list_head signal_link;
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struct list_head signals;
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struct i915_vma *state;
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struct intel_ring *ring;
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u32 *lrc_reg_state;
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u64 lrc_desc;
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atomic_t pin_count;
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struct mutex pin_mutex; /* guards pinning and associated on-gpuing */
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intel_engine_mask_t saturated; /* submitting semaphores too late? */
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/**
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* active_tracker: Active tracker for the external rq activity
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* on this intel_context object.
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*/
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struct i915_active_request active_tracker;
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const struct intel_context_ops *ops;
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struct rb_node node;
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/** sseu: Control eu/slice partitioning */
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struct intel_sseu sseu;
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};
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#endif /* __INTEL_CONTEXT_TYPES__ */
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