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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 17:35:05 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 17:39:31 +0000
commit85c675d0d09a45a135bddd15d7b385f8758c32fb (patch)
tree76267dbc9b9a130337be3640948fe397b04ac629 /include/drm/drm_gpuva_mgr.h
parentAdding upstream version 6.6.15. (diff)
downloadlinux-85c675d0d09a45a135bddd15d7b385f8758c32fb.tar.xz
linux-85c675d0d09a45a135bddd15d7b385f8758c32fb.zip
Adding upstream version 6.7.7.upstream/6.7.7
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/drm/drm_gpuva_mgr.h')
-rw-r--r--include/drm/drm_gpuva_mgr.h706
1 files changed, 0 insertions, 706 deletions
diff --git a/include/drm/drm_gpuva_mgr.h b/include/drm/drm_gpuva_mgr.h
deleted file mode 100644
index ed8d50200c..0000000000
--- a/include/drm/drm_gpuva_mgr.h
+++ /dev/null
@@ -1,706 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-
-#ifndef __DRM_GPUVA_MGR_H__
-#define __DRM_GPUVA_MGR_H__
-
-/*
- * Copyright (c) 2022 Red Hat.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- */
-
-#include <linux/list.h>
-#include <linux/rbtree.h>
-#include <linux/types.h>
-
-#include <drm/drm_gem.h>
-
-struct drm_gpuva_manager;
-struct drm_gpuva_fn_ops;
-
-/**
- * enum drm_gpuva_flags - flags for struct drm_gpuva
- */
-enum drm_gpuva_flags {
- /**
- * @DRM_GPUVA_INVALIDATED:
- *
- * Flag indicating that the &drm_gpuva's backing GEM is invalidated.
- */
- DRM_GPUVA_INVALIDATED = (1 << 0),
-
- /**
- * @DRM_GPUVA_SPARSE:
- *
- * Flag indicating that the &drm_gpuva is a sparse mapping.
- */
- DRM_GPUVA_SPARSE = (1 << 1),
-
- /**
- * @DRM_GPUVA_USERBITS: user defined bits
- */
- DRM_GPUVA_USERBITS = (1 << 2),
-};
-
-/**
- * struct drm_gpuva - structure to track a GPU VA mapping
- *
- * This structure represents a GPU VA mapping and is associated with a
- * &drm_gpuva_manager.
- *
- * Typically, this structure is embedded in bigger driver structures.
- */
-struct drm_gpuva {
- /**
- * @mgr: the &drm_gpuva_manager this object is associated with
- */
- struct drm_gpuva_manager *mgr;
-
- /**
- * @flags: the &drm_gpuva_flags for this mapping
- */
- enum drm_gpuva_flags flags;
-
- /**
- * @va: structure containing the address and range of the &drm_gpuva
- */
- struct {
- /**
- * @addr: the start address
- */
- u64 addr;
-
- /*
- * @range: the range
- */
- u64 range;
- } va;
-
- /**
- * @gem: structure containing the &drm_gem_object and it's offset
- */
- struct {
- /**
- * @offset: the offset within the &drm_gem_object
- */
- u64 offset;
-
- /**
- * @obj: the mapped &drm_gem_object
- */
- struct drm_gem_object *obj;
-
- /**
- * @entry: the &list_head to attach this object to a &drm_gem_object
- */
- struct list_head entry;
- } gem;
-
- /**
- * @rb: structure containing data to store &drm_gpuvas in a rb-tree
- */
- struct {
- /**
- * @rb: the rb-tree node
- */
- struct rb_node node;
-
- /**
- * @entry: The &list_head to additionally connect &drm_gpuvas
- * in the same order they appear in the interval tree. This is
- * useful to keep iterating &drm_gpuvas from a start node found
- * through the rb-tree while doing modifications on the rb-tree
- * itself.
- */
- struct list_head entry;
-
- /**
- * @__subtree_last: needed by the interval tree, holding last-in-subtree
- */
- u64 __subtree_last;
- } rb;
-};
-
-int drm_gpuva_insert(struct drm_gpuva_manager *mgr, struct drm_gpuva *va);
-void drm_gpuva_remove(struct drm_gpuva *va);
-
-void drm_gpuva_link(struct drm_gpuva *va);
-void drm_gpuva_unlink(struct drm_gpuva *va);
-
-struct drm_gpuva *drm_gpuva_find(struct drm_gpuva_manager *mgr,
- u64 addr, u64 range);
-struct drm_gpuva *drm_gpuva_find_first(struct drm_gpuva_manager *mgr,
- u64 addr, u64 range);
-struct drm_gpuva *drm_gpuva_find_prev(struct drm_gpuva_manager *mgr, u64 start);
-struct drm_gpuva *drm_gpuva_find_next(struct drm_gpuva_manager *mgr, u64 end);
-
-bool drm_gpuva_interval_empty(struct drm_gpuva_manager *mgr, u64 addr, u64 range);
-
-static inline void drm_gpuva_init(struct drm_gpuva *va, u64 addr, u64 range,
- struct drm_gem_object *obj, u64 offset)
-{
- va->va.addr = addr;
- va->va.range = range;
- va->gem.obj = obj;
- va->gem.offset = offset;
-}
-
-/**
- * drm_gpuva_invalidate() - sets whether the backing GEM of this &drm_gpuva is
- * invalidated
- * @va: the &drm_gpuva to set the invalidate flag for
- * @invalidate: indicates whether the &drm_gpuva is invalidated
- */
-static inline void drm_gpuva_invalidate(struct drm_gpuva *va, bool invalidate)
-{
- if (invalidate)
- va->flags |= DRM_GPUVA_INVALIDATED;
- else
- va->flags &= ~DRM_GPUVA_INVALIDATED;
-}
-
-/**
- * drm_gpuva_invalidated() - indicates whether the backing BO of this &drm_gpuva
- * is invalidated
- * @va: the &drm_gpuva to check
- */
-static inline bool drm_gpuva_invalidated(struct drm_gpuva *va)
-{
- return va->flags & DRM_GPUVA_INVALIDATED;
-}
-
-/**
- * struct drm_gpuva_manager - DRM GPU VA Manager
- *
- * The DRM GPU VA Manager keeps track of a GPU's virtual address space by using
- * &maple_tree structures. Typically, this structure is embedded in bigger
- * driver structures.
- *
- * Drivers can pass addresses and ranges in an arbitrary unit, e.g. bytes or
- * pages.
- *
- * There should be one manager instance per GPU virtual address space.
- */
-struct drm_gpuva_manager {
- /**
- * @name: the name of the DRM GPU VA space
- */
- const char *name;
-
- /**
- * @mm_start: start of the VA space
- */
- u64 mm_start;
-
- /**
- * @mm_range: length of the VA space
- */
- u64 mm_range;
-
- /**
- * @rb: structures to track &drm_gpuva entries
- */
- struct {
- /**
- * @tree: the rb-tree to track GPU VA mappings
- */
- struct rb_root_cached tree;
-
- /**
- * @list: the &list_head to track GPU VA mappings
- */
- struct list_head list;
- } rb;
-
- /**
- * @kernel_alloc_node:
- *
- * &drm_gpuva representing the address space cutout reserved for
- * the kernel
- */
- struct drm_gpuva kernel_alloc_node;
-
- /**
- * @ops: &drm_gpuva_fn_ops providing the split/merge steps to drivers
- */
- const struct drm_gpuva_fn_ops *ops;
-};
-
-void drm_gpuva_manager_init(struct drm_gpuva_manager *mgr,
- const char *name,
- u64 start_offset, u64 range,
- u64 reserve_offset, u64 reserve_range,
- const struct drm_gpuva_fn_ops *ops);
-void drm_gpuva_manager_destroy(struct drm_gpuva_manager *mgr);
-
-static inline struct drm_gpuva *
-__drm_gpuva_next(struct drm_gpuva *va)
-{
- if (va && !list_is_last(&va->rb.entry, &va->mgr->rb.list))
- return list_next_entry(va, rb.entry);
-
- return NULL;
-}
-
-/**
- * drm_gpuva_for_each_va_range() - iterate over a range of &drm_gpuvas
- * @va__: &drm_gpuva structure to assign to in each iteration step
- * @mgr__: &drm_gpuva_manager to walk over
- * @start__: starting offset, the first gpuva will overlap this
- * @end__: ending offset, the last gpuva will start before this (but may
- * overlap)
- *
- * This iterator walks over all &drm_gpuvas in the &drm_gpuva_manager that lie
- * between @start__ and @end__. It is implemented similarly to list_for_each(),
- * but is using the &drm_gpuva_manager's internal interval tree to accelerate
- * the search for the starting &drm_gpuva, and hence isn't safe against removal
- * of elements. It assumes that @end__ is within (or is the upper limit of) the
- * &drm_gpuva_manager. This iterator does not skip over the &drm_gpuva_manager's
- * @kernel_alloc_node.
- */
-#define drm_gpuva_for_each_va_range(va__, mgr__, start__, end__) \
- for (va__ = drm_gpuva_find_first((mgr__), (start__), (end__) - (start__)); \
- va__ && (va__->va.addr < (end__)); \
- va__ = __drm_gpuva_next(va__))
-
-/**
- * drm_gpuva_for_each_va_range_safe() - safely iterate over a range of
- * &drm_gpuvas
- * @va__: &drm_gpuva to assign to in each iteration step
- * @next__: another &drm_gpuva to use as temporary storage
- * @mgr__: &drm_gpuva_manager to walk over
- * @start__: starting offset, the first gpuva will overlap this
- * @end__: ending offset, the last gpuva will start before this (but may
- * overlap)
- *
- * This iterator walks over all &drm_gpuvas in the &drm_gpuva_manager that lie
- * between @start__ and @end__. It is implemented similarly to
- * list_for_each_safe(), but is using the &drm_gpuva_manager's internal interval
- * tree to accelerate the search for the starting &drm_gpuva, and hence is safe
- * against removal of elements. It assumes that @end__ is within (or is the
- * upper limit of) the &drm_gpuva_manager. This iterator does not skip over the
- * &drm_gpuva_manager's @kernel_alloc_node.
- */
-#define drm_gpuva_for_each_va_range_safe(va__, next__, mgr__, start__, end__) \
- for (va__ = drm_gpuva_find_first((mgr__), (start__), (end__) - (start__)), \
- next__ = __drm_gpuva_next(va__); \
- va__ && (va__->va.addr < (end__)); \
- va__ = next__, next__ = __drm_gpuva_next(va__))
-
-/**
- * drm_gpuva_for_each_va() - iterate over all &drm_gpuvas
- * @va__: &drm_gpuva to assign to in each iteration step
- * @mgr__: &drm_gpuva_manager to walk over
- *
- * This iterator walks over all &drm_gpuva structures associated with the given
- * &drm_gpuva_manager.
- */
-#define drm_gpuva_for_each_va(va__, mgr__) \
- list_for_each_entry(va__, &(mgr__)->rb.list, rb.entry)
-
-/**
- * drm_gpuva_for_each_va_safe() - safely iterate over all &drm_gpuvas
- * @va__: &drm_gpuva to assign to in each iteration step
- * @next__: another &drm_gpuva to use as temporary storage
- * @mgr__: &drm_gpuva_manager to walk over
- *
- * This iterator walks over all &drm_gpuva structures associated with the given
- * &drm_gpuva_manager. It is implemented with list_for_each_entry_safe(), and
- * hence safe against the removal of elements.
- */
-#define drm_gpuva_for_each_va_safe(va__, next__, mgr__) \
- list_for_each_entry_safe(va__, next__, &(mgr__)->rb.list, rb.entry)
-
-/**
- * enum drm_gpuva_op_type - GPU VA operation type
- *
- * Operations to alter the GPU VA mappings tracked by the &drm_gpuva_manager.
- */
-enum drm_gpuva_op_type {
- /**
- * @DRM_GPUVA_OP_MAP: the map op type
- */
- DRM_GPUVA_OP_MAP,
-
- /**
- * @DRM_GPUVA_OP_REMAP: the remap op type
- */
- DRM_GPUVA_OP_REMAP,
-
- /**
- * @DRM_GPUVA_OP_UNMAP: the unmap op type
- */
- DRM_GPUVA_OP_UNMAP,
-
- /**
- * @DRM_GPUVA_OP_PREFETCH: the prefetch op type
- */
- DRM_GPUVA_OP_PREFETCH,
-};
-
-/**
- * struct drm_gpuva_op_map - GPU VA map operation
- *
- * This structure represents a single map operation generated by the
- * DRM GPU VA manager.
- */
-struct drm_gpuva_op_map {
- /**
- * @va: structure containing address and range of a map
- * operation
- */
- struct {
- /**
- * @addr: the base address of the new mapping
- */
- u64 addr;
-
- /**
- * @range: the range of the new mapping
- */
- u64 range;
- } va;
-
- /**
- * @gem: structure containing the &drm_gem_object and it's offset
- */
- struct {
- /**
- * @offset: the offset within the &drm_gem_object
- */
- u64 offset;
-
- /**
- * @obj: the &drm_gem_object to map
- */
- struct drm_gem_object *obj;
- } gem;
-};
-
-/**
- * struct drm_gpuva_op_unmap - GPU VA unmap operation
- *
- * This structure represents a single unmap operation generated by the
- * DRM GPU VA manager.
- */
-struct drm_gpuva_op_unmap {
- /**
- * @va: the &drm_gpuva to unmap
- */
- struct drm_gpuva *va;
-
- /**
- * @keep:
- *
- * Indicates whether this &drm_gpuva is physically contiguous with the
- * original mapping request.
- *
- * Optionally, if &keep is set, drivers may keep the actual page table
- * mappings for this &drm_gpuva, adding the missing page table entries
- * only and update the &drm_gpuva_manager accordingly.
- */
- bool keep;
-};
-
-/**
- * struct drm_gpuva_op_remap - GPU VA remap operation
- *
- * This represents a single remap operation generated by the DRM GPU VA manager.
- *
- * A remap operation is generated when an existing GPU VA mmapping is split up
- * by inserting a new GPU VA mapping or by partially unmapping existent
- * mapping(s), hence it consists of a maximum of two map and one unmap
- * operation.
- *
- * The @unmap operation takes care of removing the original existing mapping.
- * @prev is used to remap the preceding part, @next the subsequent part.
- *
- * If either a new mapping's start address is aligned with the start address
- * of the old mapping or the new mapping's end address is aligned with the
- * end address of the old mapping, either @prev or @next is NULL.
- *
- * Note, the reason for a dedicated remap operation, rather than arbitrary
- * unmap and map operations, is to give drivers the chance of extracting driver
- * specific data for creating the new mappings from the unmap operations's
- * &drm_gpuva structure which typically is embedded in larger driver specific
- * structures.
- */
-struct drm_gpuva_op_remap {
- /**
- * @prev: the preceding part of a split mapping
- */
- struct drm_gpuva_op_map *prev;
-
- /**
- * @next: the subsequent part of a split mapping
- */
- struct drm_gpuva_op_map *next;
-
- /**
- * @unmap: the unmap operation for the original existing mapping
- */
- struct drm_gpuva_op_unmap *unmap;
-};
-
-/**
- * struct drm_gpuva_op_prefetch - GPU VA prefetch operation
- *
- * This structure represents a single prefetch operation generated by the
- * DRM GPU VA manager.
- */
-struct drm_gpuva_op_prefetch {
- /**
- * @va: the &drm_gpuva to prefetch
- */
- struct drm_gpuva *va;
-};
-
-/**
- * struct drm_gpuva_op - GPU VA operation
- *
- * This structure represents a single generic operation.
- *
- * The particular type of the operation is defined by @op.
- */
-struct drm_gpuva_op {
- /**
- * @entry:
- *
- * The &list_head used to distribute instances of this struct within
- * &drm_gpuva_ops.
- */
- struct list_head entry;
-
- /**
- * @op: the type of the operation
- */
- enum drm_gpuva_op_type op;
-
- union {
- /**
- * @map: the map operation
- */
- struct drm_gpuva_op_map map;
-
- /**
- * @remap: the remap operation
- */
- struct drm_gpuva_op_remap remap;
-
- /**
- * @unmap: the unmap operation
- */
- struct drm_gpuva_op_unmap unmap;
-
- /**
- * @prefetch: the prefetch operation
- */
- struct drm_gpuva_op_prefetch prefetch;
- };
-};
-
-/**
- * struct drm_gpuva_ops - wraps a list of &drm_gpuva_op
- */
-struct drm_gpuva_ops {
- /**
- * @list: the &list_head
- */
- struct list_head list;
-};
-
-/**
- * drm_gpuva_for_each_op() - iterator to walk over &drm_gpuva_ops
- * @op: &drm_gpuva_op to assign in each iteration step
- * @ops: &drm_gpuva_ops to walk
- *
- * This iterator walks over all ops within a given list of operations.
- */
-#define drm_gpuva_for_each_op(op, ops) list_for_each_entry(op, &(ops)->list, entry)
-
-/**
- * drm_gpuva_for_each_op_safe() - iterator to safely walk over &drm_gpuva_ops
- * @op: &drm_gpuva_op to assign in each iteration step
- * @next: &next &drm_gpuva_op to store the next step
- * @ops: &drm_gpuva_ops to walk
- *
- * This iterator walks over all ops within a given list of operations. It is
- * implemented with list_for_each_safe(), so save against removal of elements.
- */
-#define drm_gpuva_for_each_op_safe(op, next, ops) \
- list_for_each_entry_safe(op, next, &(ops)->list, entry)
-
-/**
- * drm_gpuva_for_each_op_from_reverse() - iterate backwards from the given point
- * @op: &drm_gpuva_op to assign in each iteration step
- * @ops: &drm_gpuva_ops to walk
- *
- * This iterator walks over all ops within a given list of operations beginning
- * from the given operation in reverse order.
- */
-#define drm_gpuva_for_each_op_from_reverse(op, ops) \
- list_for_each_entry_from_reverse(op, &(ops)->list, entry)
-
-/**
- * drm_gpuva_first_op() - returns the first &drm_gpuva_op from &drm_gpuva_ops
- * @ops: the &drm_gpuva_ops to get the fist &drm_gpuva_op from
- */
-#define drm_gpuva_first_op(ops) \
- list_first_entry(&(ops)->list, struct drm_gpuva_op, entry)
-
-/**
- * drm_gpuva_last_op() - returns the last &drm_gpuva_op from &drm_gpuva_ops
- * @ops: the &drm_gpuva_ops to get the last &drm_gpuva_op from
- */
-#define drm_gpuva_last_op(ops) \
- list_last_entry(&(ops)->list, struct drm_gpuva_op, entry)
-
-/**
- * drm_gpuva_prev_op() - previous &drm_gpuva_op in the list
- * @op: the current &drm_gpuva_op
- */
-#define drm_gpuva_prev_op(op) list_prev_entry(op, entry)
-
-/**
- * drm_gpuva_next_op() - next &drm_gpuva_op in the list
- * @op: the current &drm_gpuva_op
- */
-#define drm_gpuva_next_op(op) list_next_entry(op, entry)
-
-struct drm_gpuva_ops *
-drm_gpuva_sm_map_ops_create(struct drm_gpuva_manager *mgr,
- u64 addr, u64 range,
- struct drm_gem_object *obj, u64 offset);
-struct drm_gpuva_ops *
-drm_gpuva_sm_unmap_ops_create(struct drm_gpuva_manager *mgr,
- u64 addr, u64 range);
-
-struct drm_gpuva_ops *
-drm_gpuva_prefetch_ops_create(struct drm_gpuva_manager *mgr,
- u64 addr, u64 range);
-
-struct drm_gpuva_ops *
-drm_gpuva_gem_unmap_ops_create(struct drm_gpuva_manager *mgr,
- struct drm_gem_object *obj);
-
-void drm_gpuva_ops_free(struct drm_gpuva_manager *mgr,
- struct drm_gpuva_ops *ops);
-
-static inline void drm_gpuva_init_from_op(struct drm_gpuva *va,
- struct drm_gpuva_op_map *op)
-{
- drm_gpuva_init(va, op->va.addr, op->va.range,
- op->gem.obj, op->gem.offset);
-}
-
-/**
- * struct drm_gpuva_fn_ops - callbacks for split/merge steps
- *
- * This structure defines the callbacks used by &drm_gpuva_sm_map and
- * &drm_gpuva_sm_unmap to provide the split/merge steps for map and unmap
- * operations to drivers.
- */
-struct drm_gpuva_fn_ops {
- /**
- * @op_alloc: called when the &drm_gpuva_manager allocates
- * a struct drm_gpuva_op
- *
- * Some drivers may want to embed struct drm_gpuva_op into driver
- * specific structures. By implementing this callback drivers can
- * allocate memory accordingly.
- *
- * This callback is optional.
- */
- struct drm_gpuva_op *(*op_alloc)(void);
-
- /**
- * @op_free: called when the &drm_gpuva_manager frees a
- * struct drm_gpuva_op
- *
- * Some drivers may want to embed struct drm_gpuva_op into driver
- * specific structures. By implementing this callback drivers can
- * free the previously allocated memory accordingly.
- *
- * This callback is optional.
- */
- void (*op_free)(struct drm_gpuva_op *op);
-
- /**
- * @sm_step_map: called from &drm_gpuva_sm_map to finally insert the
- * mapping once all previous steps were completed
- *
- * The &priv pointer matches the one the driver passed to
- * &drm_gpuva_sm_map or &drm_gpuva_sm_unmap, respectively.
- *
- * Can be NULL if &drm_gpuva_sm_map is used.
- */
- int (*sm_step_map)(struct drm_gpuva_op *op, void *priv);
-
- /**
- * @sm_step_remap: called from &drm_gpuva_sm_map and
- * &drm_gpuva_sm_unmap to split up an existent mapping
- *
- * This callback is called when existent mapping needs to be split up.
- * This is the case when either a newly requested mapping overlaps or
- * is enclosed by an existent mapping or a partial unmap of an existent
- * mapping is requested.
- *
- * The &priv pointer matches the one the driver passed to
- * &drm_gpuva_sm_map or &drm_gpuva_sm_unmap, respectively.
- *
- * Can be NULL if neither &drm_gpuva_sm_map nor &drm_gpuva_sm_unmap is
- * used.
- */
- int (*sm_step_remap)(struct drm_gpuva_op *op, void *priv);
-
- /**
- * @sm_step_unmap: called from &drm_gpuva_sm_map and
- * &drm_gpuva_sm_unmap to unmap an existent mapping
- *
- * This callback is called when existent mapping needs to be unmapped.
- * This is the case when either a newly requested mapping encloses an
- * existent mapping or an unmap of an existent mapping is requested.
- *
- * The &priv pointer matches the one the driver passed to
- * &drm_gpuva_sm_map or &drm_gpuva_sm_unmap, respectively.
- *
- * Can be NULL if neither &drm_gpuva_sm_map nor &drm_gpuva_sm_unmap is
- * used.
- */
- int (*sm_step_unmap)(struct drm_gpuva_op *op, void *priv);
-};
-
-int drm_gpuva_sm_map(struct drm_gpuva_manager *mgr, void *priv,
- u64 addr, u64 range,
- struct drm_gem_object *obj, u64 offset);
-
-int drm_gpuva_sm_unmap(struct drm_gpuva_manager *mgr, void *priv,
- u64 addr, u64 range);
-
-void drm_gpuva_map(struct drm_gpuva_manager *mgr,
- struct drm_gpuva *va,
- struct drm_gpuva_op_map *op);
-
-void drm_gpuva_remap(struct drm_gpuva *prev,
- struct drm_gpuva *next,
- struct drm_gpuva_op_remap *op);
-
-void drm_gpuva_unmap(struct drm_gpuva_op_unmap *op);
-
-#endif /* __DRM_GPUVA_MGR_H__ */