forked from Minki/linux
2f0b97ca02
Some kernel internal objects may need to be allocated as a contiguous block, also thinking ahead the various kernel io_mapping interfaces seem to expect it, although this is purely a limitation in the kernel API...so perhaps something to be improved. Signed-off-by: Matthew Auld <matthew.auld@intel.com> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Abdiel Janulgue <abdiel.janulgue@linux.intel.com> Cc: Michael J Ruhl <michael.j.ruhl@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20191008160116.18379-3-matthew.auld@intel.com
30 lines
795 B
C
30 lines
795 B
C
/* SPDX-License-Identifier: MIT */
|
|
/*
|
|
* Copyright © 2019 Intel Corporation
|
|
*/
|
|
|
|
#ifndef __I915_GEM_REGION_H__
|
|
#define __I915_GEM_REGION_H__
|
|
|
|
#include <linux/types.h>
|
|
|
|
struct intel_memory_region;
|
|
struct drm_i915_gem_object;
|
|
struct sg_table;
|
|
|
|
int i915_gem_object_get_pages_buddy(struct drm_i915_gem_object *obj);
|
|
void i915_gem_object_put_pages_buddy(struct drm_i915_gem_object *obj,
|
|
struct sg_table *pages);
|
|
|
|
void i915_gem_object_init_memory_region(struct drm_i915_gem_object *obj,
|
|
struct intel_memory_region *mem,
|
|
unsigned long flags);
|
|
void i915_gem_object_release_memory_region(struct drm_i915_gem_object *obj);
|
|
|
|
struct drm_i915_gem_object *
|
|
i915_gem_object_create_region(struct intel_memory_region *mem,
|
|
resource_size_t size,
|
|
unsigned int flags);
|
|
|
|
#endif
|