1
0
Fork 0
alistair23-linux/drivers/gpu/drm/i915/gt/intel_context_types.h

71 lines
1.5 KiB
C

/*
* SPDX-License-Identifier: MIT
*
* Copyright © 2019 Intel Corporation
*/
#ifndef __INTEL_CONTEXT_TYPES__
#define __INTEL_CONTEXT_TYPES__
#include <linux/kref.h>
#include <linux/list.h>
#include <linux/mutex.h>
#include <linux/types.h>
#include "i915_active_types.h"
#include "intel_engine_types.h"
#include "intel_sseu.h"
struct i915_gem_context;
struct i915_vma;
struct intel_context;
struct intel_ring;
struct intel_context_ops {
int (*pin)(struct intel_context *ce);
void (*unpin)(struct intel_context *ce);
void (*enter)(struct intel_context *ce);
void (*exit)(struct intel_context *ce);
void (*reset)(struct intel_context *ce);
void (*destroy)(struct kref *kref);
};
struct intel_context {
struct kref ref;
struct i915_gem_context *gem_context;
struct intel_engine_cs *engine;
struct intel_engine_cs *active;
struct list_head signal_link;
struct list_head signals;
struct i915_vma *state;
struct intel_ring *ring;
u32 *lrc_reg_state;
u64 lrc_desc;
unsigned int active_count; /* notionally protected by timeline->mutex */
atomic_t pin_count;
struct mutex pin_mutex; /* guards pinning and associated on-gpuing */
intel_engine_mask_t saturated; /* submitting semaphores too late? */
/**
* active_tracker: Active tracker for the external rq activity
* on this intel_context object.
*/
struct i915_active_request active_tracker;
const struct intel_context_ops *ops;
/** sseu: Control eu/slice partitioning */
struct intel_sseu sseu;
};
#endif /* __INTEL_CONTEXT_TYPES__ */