linux/drivers/gpu/drm/i915/i915_gem_gtt.h

/* SPDX-License-Identifier: MIT */
/*
 * Copyright © 2020 Intel Corporation
 */

#ifndef __I915_GEM_GTT_H__
#define __I915_GEM_GTT_H__

#include <linux/io-mapping.h>
#include <linux/types.h>

#include <drm/drm_mm.h>

#include "gt/intel_gtt.h"
#include "i915_scatterlist.h"

struct drm_i915_gem_object;
struct i915_address_space;
struct i915_gem_ww_ctx;

#define I915_COLOR_UNEVICTABLE …

int __must_check i915_gem_gtt_prepare_pages(struct drm_i915_gem_object *obj,
					    struct sg_table *pages);
void i915_gem_gtt_finish_pages(struct drm_i915_gem_object *obj,
			       struct sg_table *pages);

int i915_gem_gtt_reserve(struct i915_address_space *vm,
			 struct i915_gem_ww_ctx *ww,
			 struct drm_mm_node *node,
			 u64 size, u64 offset, unsigned long color,
			 unsigned int flags);

int i915_gem_gtt_insert(struct i915_address_space *vm,
			struct i915_gem_ww_ctx *ww,
			struct drm_mm_node *node,
			u64 size, u64 alignment, unsigned long color,
			u64 start, u64 end, unsigned int flags);

/* Flags used by pin/bind&friends. */
#define PIN_NOEVICT …
#define PIN_NOSEARCH …
#define PIN_NONBLOCK …
#define PIN_MAPPABLE …
#define PIN_ZONE_4G …
#define PIN_HIGH …
#define PIN_OFFSET_BIAS …
#define PIN_OFFSET_FIXED …
#define PIN_OFFSET_GUARD …
#define PIN_VALIDATE …

#define PIN_GLOBAL …
#define PIN_USER …

#define PIN_OFFSET_MASK …

#endif