mirror of https://gitee.com/openkylin/linux.git
51 lines
1.3 KiB
C
51 lines
1.3 KiB
C
/* 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;
|
|
|
|
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 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 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 BIT_ULL(0)
|
|
#define PIN_NOSEARCH BIT_ULL(1)
|
|
#define PIN_NONBLOCK BIT_ULL(2)
|
|
#define PIN_MAPPABLE BIT_ULL(3)
|
|
#define PIN_ZONE_4G BIT_ULL(4)
|
|
#define PIN_HIGH BIT_ULL(5)
|
|
#define PIN_OFFSET_BIAS BIT_ULL(6)
|
|
#define PIN_OFFSET_FIXED BIT_ULL(7)
|
|
|
|
#define PIN_GLOBAL BIT_ULL(10) /* I915_VMA_GLOBAL_BIND */
|
|
#define PIN_USER BIT_ULL(11) /* I915_VMA_LOCAL_BIND */
|
|
|
|
#define PIN_OFFSET_MASK I915_GTT_PAGE_MASK
|
|
|
|
#endif
|