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Message-ID: <420719df-275b-8cdf-1ef0-40b63d511aa4@amd.com>
Date: Thu, 21 Sep 2023 08:48:54 +0200
From: Christian König <christian.koenig@....com>
To: Danilo Krummrich <dakr@...hat.com>, airlied@...il.com,
daniel@...ll.ch, matthew.brost@...el.com,
thomas.hellstrom@...ux.intel.com, sarah.walker@...tec.com,
donald.robson@...tec.com, boris.brezillon@...labora.com,
faith.ekstrand@...labora.com
Cc: dri-devel@...ts.freedesktop.org, nouveau@...ts.freedesktop.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH drm-misc-next v4 1/8] drm/gpuvm: rename struct
drm_gpuva_manager to struct drm_gpuvm
Am 20.09.23 um 16:42 schrieb Danilo Krummrich:
> Rename struct drm_gpuva_manager to struct drm_gpuvm including
> corresponding functions. This way the GPUVA manager's structures align
> very well with the documentation of VM_BIND [1] and VM_BIND locking [2].
>
> It also provides a better foundation for the naming of data structures
> and functions introduced for implementing a common dma-resv per GPU-VM
> including tracking of external and evicted objects in subsequent
> patches.
>
> [1] Documentation/gpu/drm-vm-bind-async.rst
> [2] Documentation/gpu/drm-vm-bind-locking.rst
>
> Cc: Thomas Hellström <thomas.hellstrom@...ux.intel.com>
> Cc: Matthew Brost <matthew.brost@...el.com>
> Signed-off-by: Danilo Krummrich <dakr@...hat.com>
Not sure if that name is better or worse, but from the handling I
suggest to have this patch separately pushed to drm-misc-next.
Feel free to add my Acked-by for pushing this.
Regards,
Christian.
> ---
> drivers/gpu/drm/Makefile | 2 +-
> drivers/gpu/drm/drm_debugfs.c | 16 +-
> .../gpu/drm/{drm_gpuva_mgr.c => drm_gpuvm.c} | 400 +++++++++---------
> drivers/gpu/drm/nouveau/nouveau_exec.c | 2 +-
> drivers/gpu/drm/nouveau/nouveau_uvmm.c | 24 +-
> drivers/gpu/drm/nouveau/nouveau_uvmm.h | 6 +-
> include/drm/drm_debugfs.h | 6 +-
> include/drm/{drm_gpuva_mgr.h => drm_gpuvm.h} | 153 ++++---
> 8 files changed, 304 insertions(+), 305 deletions(-)
> rename drivers/gpu/drm/{drm_gpuva_mgr.c => drm_gpuvm.c} (78%)
> rename include/drm/{drm_gpuva_mgr.h => drm_gpuvm.h} (78%)
>
> diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile
> index 215e78e79125..7a84b3cddeab 100644
> --- a/drivers/gpu/drm/Makefile
> +++ b/drivers/gpu/drm/Makefile
> @@ -45,7 +45,7 @@ drm-y := \
> drm_vblank.o \
> drm_vblank_work.o \
> drm_vma_manager.o \
> - drm_gpuva_mgr.o \
> + drm_gpuvm.o \
> drm_writeback.o
> drm-$(CONFIG_DRM_LEGACY) += \
> drm_agpsupport.o \
> diff --git a/drivers/gpu/drm/drm_debugfs.c b/drivers/gpu/drm/drm_debugfs.c
> index 44ecd7d0daac..f291fb4b359f 100644
> --- a/drivers/gpu/drm/drm_debugfs.c
> +++ b/drivers/gpu/drm/drm_debugfs.c
> @@ -40,7 +40,7 @@
> #include <drm/drm_file.h>
> #include <drm/drm_gem.h>
> #include <drm/drm_managed.h>
> -#include <drm/drm_gpuva_mgr.h>
> +#include <drm/drm_gpuvm.h>
>
> #include "drm_crtc_internal.h"
> #include "drm_internal.h"
> @@ -189,31 +189,31 @@ static const struct file_operations drm_debugfs_fops = {
> /**
> * drm_debugfs_gpuva_info - dump the given DRM GPU VA space
> * @m: pointer to the &seq_file to write
> - * @mgr: the &drm_gpuva_manager representing the GPU VA space
> + * @gpuvm: the &drm_gpuvm representing the GPU VA space
> *
> * Dumps the GPU VA mappings of a given DRM GPU VA manager.
> *
> * For each DRM GPU VA space drivers should call this function from their
> * &drm_info_list's show callback.
> *
> - * Returns: 0 on success, -ENODEV if the &mgr is not initialized
> + * Returns: 0 on success, -ENODEV if the &gpuvm is not initialized
> */
> int drm_debugfs_gpuva_info(struct seq_file *m,
> - struct drm_gpuva_manager *mgr)
> + struct drm_gpuvm *gpuvm)
> {
> - struct drm_gpuva *va, *kva = &mgr->kernel_alloc_node;
> + struct drm_gpuva *va, *kva = &gpuvm->kernel_alloc_node;
>
> - if (!mgr->name)
> + if (!gpuvm->name)
> return -ENODEV;
>
> seq_printf(m, "DRM GPU VA space (%s) [0x%016llx;0x%016llx]\n",
> - mgr->name, mgr->mm_start, mgr->mm_start + mgr->mm_range);
> + gpuvm->name, gpuvm->mm_start, gpuvm->mm_start + gpuvm->mm_range);
> seq_printf(m, "Kernel reserved node [0x%016llx;0x%016llx]\n",
> kva->va.addr, kva->va.addr + kva->va.range);
> seq_puts(m, "\n");
> seq_puts(m, " VAs | start | range | end | object | object offset\n");
> seq_puts(m, "-------------------------------------------------------------------------------------------------------------\n");
> - drm_gpuva_for_each_va(va, mgr) {
> + drm_gpuvm_for_each_va(va, gpuvm) {
> if (unlikely(va == kva))
> continue;
>
> diff --git a/drivers/gpu/drm/drm_gpuva_mgr.c b/drivers/gpu/drm/drm_gpuvm.c
> similarity index 78%
> rename from drivers/gpu/drm/drm_gpuva_mgr.c
> rename to drivers/gpu/drm/drm_gpuvm.c
> index f86bfad74ff8..7074bcad5b28 100644
> --- a/drivers/gpu/drm/drm_gpuva_mgr.c
> +++ b/drivers/gpu/drm/drm_gpuvm.c
> @@ -25,7 +25,7 @@
> *
> */
>
> -#include <drm/drm_gpuva_mgr.h>
> +#include <drm/drm_gpuvm.h>
>
> #include <linux/interval_tree_generic.h>
> #include <linux/mm.h>
> @@ -33,8 +33,8 @@
> /**
> * DOC: Overview
> *
> - * The DRM GPU VA Manager, represented by struct drm_gpuva_manager keeps track
> - * of a GPU's virtual address (VA) space and manages the corresponding virtual
> + * The DRM GPU VA Manager, represented by struct drm_gpuvm keeps track of a
> + * GPU's virtual address (VA) space and manages the corresponding virtual
> * mappings represented by &drm_gpuva objects. It also keeps track of the
> * mapping's backing &drm_gem_object buffers.
> *
> @@ -47,28 +47,28 @@
> * The GPU VA manager internally uses a rb-tree to manage the
> * &drm_gpuva mappings within a GPU's virtual address space.
> *
> - * The &drm_gpuva_manager contains a special &drm_gpuva representing the
> + * The &drm_gpuvm structure contains a special &drm_gpuva representing the
> * portion of VA space reserved by the kernel. This node is initialized together
> * with the GPU VA manager instance and removed when the GPU VA manager is
> * destroyed.
> *
> - * In a typical application drivers would embed struct drm_gpuva_manager and
> + * In a typical application drivers would embed struct drm_gpuvm and
> * struct drm_gpuva within their own driver specific structures, there won't be
> * any memory allocations of its own nor memory allocations of &drm_gpuva
> * entries.
> *
> - * The data structures needed to store &drm_gpuvas within the &drm_gpuva_manager
> - * are contained within struct drm_gpuva already. Hence, for inserting
> - * &drm_gpuva entries from within dma-fence signalling critical sections it is
> - * enough to pre-allocate the &drm_gpuva structures.
> + * The data structures needed to store &drm_gpuvas within the &drm_gpuvm are
> + * contained within struct drm_gpuva already. Hence, for inserting &drm_gpuva
> + * entries from within dma-fence signalling critical sections it is enough to
> + * pre-allocate the &drm_gpuva structures.
> */
>
> /**
> * DOC: Split and Merge
> *
> * Besides its capability to manage and represent a GPU VA space, the
> - * &drm_gpuva_manager also provides functions to let the &drm_gpuva_manager
> - * calculate a sequence of operations to satisfy a given map or unmap request.
> + * GPU VA manager also provides functions to let the &drm_gpuvm calculate a
> + * sequence of operations to satisfy a given map or unmap request.
> *
> * Therefore the DRM GPU VA manager provides an algorithm implementing splitting
> * and merging of existent GPU VA mappings with the ones that are requested to
> @@ -76,16 +76,16 @@
> * implement Vulkan 'Sparse Memory Bindings' - drivers UAPIs often refer to this
> * as VM BIND.
> *
> - * Drivers can call drm_gpuva_sm_map() to receive a sequence of callbacks
> + * Drivers can call drm_gpuvm_sm_map() to receive a sequence of callbacks
> * containing map, unmap and remap operations for a given newly requested
> * mapping. The sequence of callbacks represents the set of operations to
> * execute in order to integrate the new mapping cleanly into the current state
> * of the GPU VA space.
> *
> * Depending on how the new GPU VA mapping intersects with the existent mappings
> - * of the GPU VA space the &drm_gpuva_fn_ops callbacks contain an arbitrary
> - * amount of unmap operations, a maximum of two remap operations and a single
> - * map operation. The caller might receive no callback at all if no operation is
> + * of the GPU VA space the &drm_gpuvm_ops callbacks contain an arbitrary amount
> + * of unmap operations, a maximum of two remap operations and a single map
> + * operation. The caller might receive no callback at all if no operation is
> * required, e.g. if the requested mapping already exists in the exact same way.
> *
> * The single map operation represents the original map operation requested by
> @@ -95,7 +95,7 @@
> * &drm_gpuva to unmap is physically contiguous with the original mapping
> * request. Optionally, if 'keep' is set, drivers may keep the actual page table
> * entries for this &drm_gpuva, adding the missing page table entries only and
> - * update the &drm_gpuva_manager's view of things accordingly.
> + * update the &drm_gpuvm's view of things accordingly.
> *
> * Drivers may do the same optimization, namely delta page table updates, also
> * for remap operations. This is possible since &drm_gpuva_op_remap consists of
> @@ -106,34 +106,34 @@
> * the beginning and one at the end of the new mapping, hence there is a
> * maximum of two remap operations.
> *
> - * Analogous to drm_gpuva_sm_map() drm_gpuva_sm_unmap() uses &drm_gpuva_fn_ops
> - * to call back into the driver in order to unmap a range of GPU VA space. The
> + * Analogous to drm_gpuvm_sm_map() drm_gpuvm_sm_unmap() uses &drm_gpuvm_ops to
> + * call back into the driver in order to unmap a range of GPU VA space. The
> * logic behind this function is way simpler though: For all existent mappings
> * enclosed by the given range unmap operations are created. For mappings which
> * are only partically located within the given range, remap operations are
> * created such that those mappings are split up and re-mapped partically.
> *
> - * As an alternative to drm_gpuva_sm_map() and drm_gpuva_sm_unmap(),
> - * drm_gpuva_sm_map_ops_create() and drm_gpuva_sm_unmap_ops_create() can be used
> + * As an alternative to drm_gpuvm_sm_map() and drm_gpuvm_sm_unmap(),
> + * drm_gpuvm_sm_map_ops_create() and drm_gpuvm_sm_unmap_ops_create() can be used
> * to directly obtain an instance of struct drm_gpuva_ops containing a list of
> * &drm_gpuva_op, which can be iterated with drm_gpuva_for_each_op(). This list
> * contains the &drm_gpuva_ops analogous to the callbacks one would receive when
> - * calling drm_gpuva_sm_map() or drm_gpuva_sm_unmap(). While this way requires
> + * calling drm_gpuvm_sm_map() or drm_gpuvm_sm_unmap(). While this way requires
> * more memory (to allocate the &drm_gpuva_ops), it provides drivers a way to
> * iterate the &drm_gpuva_op multiple times, e.g. once in a context where memory
> * allocations are possible (e.g. to allocate GPU page tables) and once in the
> * dma-fence signalling critical path.
> *
> - * To update the &drm_gpuva_manager's view of the GPU VA space
> - * drm_gpuva_insert() and drm_gpuva_remove() may be used. These functions can
> - * safely be used from &drm_gpuva_fn_ops callbacks originating from
> - * drm_gpuva_sm_map() or drm_gpuva_sm_unmap(). However, it might be more
> - * convenient to use the provided helper functions drm_gpuva_map(),
> - * drm_gpuva_remap() and drm_gpuva_unmap() instead.
> + * To update the &drm_gpuvm's view of the GPU VA space drm_gpuva_insert() and
> + * drm_gpuva_remove() may be used. These functions can safely be used from
> + * &drm_gpuvm_ops callbacks originating from drm_gpuvm_sm_map() or
> + * drm_gpuvm_sm_unmap(). However, it might be more convenient to use the
> + * provided helper functions drm_gpuva_map(), drm_gpuva_remap() and
> + * drm_gpuva_unmap() instead.
> *
> * The following diagram depicts the basic relationships of existent GPU VA
> * mappings, a newly requested mapping and the resulting mappings as implemented
> - * by drm_gpuva_sm_map() - it doesn't cover any arbitrary combinations of these.
> + * by drm_gpuvm_sm_map() - it doesn't cover any arbitrary combinations of these.
> *
> * 1) Requested mapping is identical. Replace it, but indicate the backing PTEs
> * could be kept.
> @@ -421,10 +421,10 @@
> * // Allocates a new &drm_gpuva.
> * struct drm_gpuva * driver_gpuva_alloc(void);
> *
> - * // Typically drivers would embedd the &drm_gpuva_manager and &drm_gpuva
> + * // Typically drivers would embedd the &drm_gpuvm and &drm_gpuva
> * // structure in individual driver structures and lock the dma-resv with
> * // drm_exec or similar helpers.
> - * int driver_mapping_create(struct drm_gpuva_manager *mgr,
> + * int driver_mapping_create(struct drm_gpuvm *gpuvm,
> * u64 addr, u64 range,
> * struct drm_gem_object *obj, u64 offset)
> * {
> @@ -432,7 +432,7 @@
> * struct drm_gpuva_op *op
> *
> * driver_lock_va_space();
> - * ops = drm_gpuva_sm_map_ops_create(mgr, addr, range,
> + * ops = drm_gpuvm_sm_map_ops_create(gpuvm, addr, range,
> * obj, offset);
> * if (IS_ERR(ops))
> * return PTR_ERR(ops);
> @@ -448,7 +448,7 @@
> * // free memory and unlock
> *
> * driver_vm_map();
> - * drm_gpuva_map(mgr, va, &op->map);
> + * drm_gpuva_map(gpuvm, va, &op->map);
> * drm_gpuva_link(va);
> *
> * break;
> @@ -504,23 +504,23 @@
> * 2) Receive a callback for each &drm_gpuva_op to create a new mapping::
> *
> * struct driver_context {
> - * struct drm_gpuva_manager *mgr;
> + * struct drm_gpuvm *gpuvm;
> * struct drm_gpuva *new_va;
> * struct drm_gpuva *prev_va;
> * struct drm_gpuva *next_va;
> * };
> *
> - * // ops to pass to drm_gpuva_manager_init()
> - * static const struct drm_gpuva_fn_ops driver_gpuva_ops = {
> + * // ops to pass to drm_gpuvm_init()
> + * static const struct drm_gpuvm_ops driver_gpuvm_ops = {
> * .sm_step_map = driver_gpuva_map,
> * .sm_step_remap = driver_gpuva_remap,
> * .sm_step_unmap = driver_gpuva_unmap,
> * };
> *
> - * // Typically drivers would embedd the &drm_gpuva_manager and &drm_gpuva
> + * // Typically drivers would embedd the &drm_gpuvm and &drm_gpuva
> * // structure in individual driver structures and lock the dma-resv with
> * // drm_exec or similar helpers.
> - * int driver_mapping_create(struct drm_gpuva_manager *mgr,
> + * int driver_mapping_create(struct drm_gpuvm *gpuvm,
> * u64 addr, u64 range,
> * struct drm_gem_object *obj, u64 offset)
> * {
> @@ -529,7 +529,7 @@
> * struct drm_gpuva_op *op;
> * int ret = 0;
> *
> - * ctx.mgr = mgr;
> + * ctx.gpuvm = gpuvm;
> *
> * ctx.new_va = kzalloc(sizeof(*ctx.new_va), GFP_KERNEL);
> * ctx.prev_va = kzalloc(sizeof(*ctx.prev_va), GFP_KERNEL);
> @@ -540,7 +540,7 @@
> * }
> *
> * driver_lock_va_space();
> - * ret = drm_gpuva_sm_map(mgr, &ctx, addr, range, obj, offset);
> + * ret = drm_gpuvm_sm_map(gpuvm, &ctx, addr, range, obj, offset);
> * driver_unlock_va_space();
> *
> * out:
> @@ -554,7 +554,7 @@
> * {
> * struct driver_context *ctx = __ctx;
> *
> - * drm_gpuva_map(ctx->mgr, ctx->new_va, &op->map);
> + * drm_gpuva_map(ctx->vm, ctx->new_va, &op->map);
> *
> * drm_gpuva_link(ctx->new_va);
> *
> @@ -609,12 +609,12 @@ INTERVAL_TREE_DEFINE(struct drm_gpuva, rb.node, u64, rb.__subtree_last,
> GPUVA_START, GPUVA_LAST, static __maybe_unused,
> drm_gpuva_it)
>
> -static int __drm_gpuva_insert(struct drm_gpuva_manager *mgr,
> +static int __drm_gpuva_insert(struct drm_gpuvm *gpuvm,
> struct drm_gpuva *va);
> static void __drm_gpuva_remove(struct drm_gpuva *va);
>
> static bool
> -drm_gpuva_check_overflow(u64 addr, u64 range)
> +drm_gpuvm_check_overflow(u64 addr, u64 range)
> {
> u64 end;
>
> @@ -623,121 +623,121 @@ drm_gpuva_check_overflow(u64 addr, u64 range)
> }
>
> static bool
> -drm_gpuva_in_mm_range(struct drm_gpuva_manager *mgr, u64 addr, u64 range)
> +drm_gpuvm_in_mm_range(struct drm_gpuvm *gpuvm, u64 addr, u64 range)
> {
> u64 end = addr + range;
> - u64 mm_start = mgr->mm_start;
> - u64 mm_end = mm_start + mgr->mm_range;
> + u64 mm_start = gpuvm->mm_start;
> + u64 mm_end = mm_start + gpuvm->mm_range;
>
> return addr >= mm_start && end <= mm_end;
> }
>
> static bool
> -drm_gpuva_in_kernel_node(struct drm_gpuva_manager *mgr, u64 addr, u64 range)
> +drm_gpuvm_in_kernel_node(struct drm_gpuvm *gpuvm, u64 addr, u64 range)
> {
> u64 end = addr + range;
> - u64 kstart = mgr->kernel_alloc_node.va.addr;
> - u64 krange = mgr->kernel_alloc_node.va.range;
> + u64 kstart = gpuvm->kernel_alloc_node.va.addr;
> + u64 krange = gpuvm->kernel_alloc_node.va.range;
> u64 kend = kstart + krange;
>
> return krange && addr < kend && kstart < end;
> }
>
> static bool
> -drm_gpuva_range_valid(struct drm_gpuva_manager *mgr,
> +drm_gpuva_range_valid(struct drm_gpuvm *gpuvm,
> u64 addr, u64 range)
> {
> - return !drm_gpuva_check_overflow(addr, range) &&
> - drm_gpuva_in_mm_range(mgr, addr, range) &&
> - !drm_gpuva_in_kernel_node(mgr, addr, range);
> + return !drm_gpuvm_check_overflow(addr, range) &&
> + drm_gpuvm_in_mm_range(gpuvm, addr, range) &&
> + !drm_gpuvm_in_kernel_node(gpuvm, addr, range);
> }
>
> /**
> - * drm_gpuva_manager_init() - initialize a &drm_gpuva_manager
> - * @mgr: pointer to the &drm_gpuva_manager to initialize
> + * drm_gpuvm_init() - initialize a &drm_gpuvm
> + * @gpuvm: pointer to the &drm_gpuvm to initialize
> * @name: the name of the GPU VA space
> * @start_offset: the start offset of the GPU VA space
> * @range: the size of the GPU VA space
> * @reserve_offset: the start of the kernel reserved GPU VA area
> * @reserve_range: the size of the kernel reserved GPU VA area
> - * @ops: &drm_gpuva_fn_ops called on &drm_gpuva_sm_map / &drm_gpuva_sm_unmap
> + * @ops: &drm_gpuvm_ops called on &drm_gpuvm_sm_map / &drm_gpuvm_sm_unmap
> *
> - * The &drm_gpuva_manager must be initialized with this function before use.
> + * The &drm_gpuvm must be initialized with this function before use.
> *
> - * Note that @mgr must be cleared to 0 before calling this function. The given
> + * Note that @gpuvm must be cleared to 0 before calling this function. The given
> * &name is expected to be managed by the surrounding driver structures.
> */
> 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)
> +drm_gpuvm_init(struct drm_gpuvm *gpuvm,
> + const char *name,
> + u64 start_offset, u64 range,
> + u64 reserve_offset, u64 reserve_range,
> + const struct drm_gpuvm_ops *ops)
> {
> - mgr->rb.tree = RB_ROOT_CACHED;
> - INIT_LIST_HEAD(&mgr->rb.list);
> + gpuvm->rb.tree = RB_ROOT_CACHED;
> + INIT_LIST_HEAD(&gpuvm->rb.list);
>
> - drm_gpuva_check_overflow(start_offset, range);
> - mgr->mm_start = start_offset;
> - mgr->mm_range = range;
> + drm_gpuvm_check_overflow(start_offset, range);
> + gpuvm->mm_start = start_offset;
> + gpuvm->mm_range = range;
>
> - mgr->name = name ? name : "unknown";
> - mgr->ops = ops;
> + gpuvm->name = name ? name : "unknown";
> + gpuvm->ops = ops;
>
> - memset(&mgr->kernel_alloc_node, 0, sizeof(struct drm_gpuva));
> + memset(&gpuvm->kernel_alloc_node, 0, sizeof(struct drm_gpuva));
>
> if (reserve_range) {
> - mgr->kernel_alloc_node.va.addr = reserve_offset;
> - mgr->kernel_alloc_node.va.range = reserve_range;
> + gpuvm->kernel_alloc_node.va.addr = reserve_offset;
> + gpuvm->kernel_alloc_node.va.range = reserve_range;
>
> - if (likely(!drm_gpuva_check_overflow(reserve_offset,
> + if (likely(!drm_gpuvm_check_overflow(reserve_offset,
> reserve_range)))
> - __drm_gpuva_insert(mgr, &mgr->kernel_alloc_node);
> + __drm_gpuva_insert(gpuvm, &gpuvm->kernel_alloc_node);
> }
> }
> -EXPORT_SYMBOL_GPL(drm_gpuva_manager_init);
> +EXPORT_SYMBOL_GPL(drm_gpuvm_init);
>
> /**
> - * drm_gpuva_manager_destroy() - cleanup a &drm_gpuva_manager
> - * @mgr: pointer to the &drm_gpuva_manager to clean up
> + * drm_gpuvm_destroy() - cleanup a &drm_gpuvm
> + * @gpuvm: pointer to the &drm_gpuvm to clean up
> *
> * Note that it is a bug to call this function on a manager that still
> * holds GPU VA mappings.
> */
> void
> -drm_gpuva_manager_destroy(struct drm_gpuva_manager *mgr)
> +drm_gpuvm_destroy(struct drm_gpuvm *gpuvm)
> {
> - mgr->name = NULL;
> + gpuvm->name = NULL;
>
> - if (mgr->kernel_alloc_node.va.range)
> - __drm_gpuva_remove(&mgr->kernel_alloc_node);
> + if (gpuvm->kernel_alloc_node.va.range)
> + __drm_gpuva_remove(&gpuvm->kernel_alloc_node);
>
> - WARN(!RB_EMPTY_ROOT(&mgr->rb.tree.rb_root),
> + WARN(!RB_EMPTY_ROOT(&gpuvm->rb.tree.rb_root),
> "GPUVA tree is not empty, potentially leaking memory.");
> }
> -EXPORT_SYMBOL_GPL(drm_gpuva_manager_destroy);
> +EXPORT_SYMBOL_GPL(drm_gpuvm_destroy);
>
> static int
> -__drm_gpuva_insert(struct drm_gpuva_manager *mgr,
> +__drm_gpuva_insert(struct drm_gpuvm *gpuvm,
> struct drm_gpuva *va)
> {
> struct rb_node *node;
> struct list_head *head;
>
> - if (drm_gpuva_it_iter_first(&mgr->rb.tree,
> + if (drm_gpuva_it_iter_first(&gpuvm->rb.tree,
> GPUVA_START(va),
> GPUVA_LAST(va)))
> return -EEXIST;
>
> - va->mgr = mgr;
> + va->vm = gpuvm;
>
> - drm_gpuva_it_insert(va, &mgr->rb.tree);
> + drm_gpuva_it_insert(va, &gpuvm->rb.tree);
>
> node = rb_prev(&va->rb.node);
> if (node)
> head = &(to_drm_gpuva(node))->rb.entry;
> else
> - head = &mgr->rb.list;
> + head = &gpuvm->rb.list;
>
> list_add(&va->rb.entry, head);
>
> @@ -746,36 +746,36 @@ __drm_gpuva_insert(struct drm_gpuva_manager *mgr,
>
> /**
> * drm_gpuva_insert() - insert a &drm_gpuva
> - * @mgr: the &drm_gpuva_manager to insert the &drm_gpuva in
> + * @gpuvm: the &drm_gpuvm to insert the &drm_gpuva in
> * @va: the &drm_gpuva to insert
> *
> * Insert a &drm_gpuva with a given address and range into a
> - * &drm_gpuva_manager.
> + * &drm_gpuvm.
> *
> * It is safe to use this function using the safe versions of iterating the GPU
> - * VA space, such as drm_gpuva_for_each_va_safe() and
> - * drm_gpuva_for_each_va_range_safe().
> + * VA space, such as drm_gpuvm_for_each_va_safe() and
> + * drm_gpuvm_for_each_va_range_safe().
> *
> * Returns: 0 on success, negative error code on failure.
> */
> int
> -drm_gpuva_insert(struct drm_gpuva_manager *mgr,
> +drm_gpuva_insert(struct drm_gpuvm *gpuvm,
> struct drm_gpuva *va)
> {
> u64 addr = va->va.addr;
> u64 range = va->va.range;
>
> - if (unlikely(!drm_gpuva_range_valid(mgr, addr, range)))
> + if (unlikely(!drm_gpuva_range_valid(gpuvm, addr, range)))
> return -EINVAL;
>
> - return __drm_gpuva_insert(mgr, va);
> + return __drm_gpuva_insert(gpuvm, va);
> }
> EXPORT_SYMBOL_GPL(drm_gpuva_insert);
>
> static void
> __drm_gpuva_remove(struct drm_gpuva *va)
> {
> - drm_gpuva_it_remove(va, &va->mgr->rb.tree);
> + drm_gpuva_it_remove(va, &va->vm->rb.tree);
> list_del_init(&va->rb.entry);
> }
>
> @@ -786,15 +786,15 @@ __drm_gpuva_remove(struct drm_gpuva *va)
> * This removes the given &va from the underlaying tree.
> *
> * It is safe to use this function using the safe versions of iterating the GPU
> - * VA space, such as drm_gpuva_for_each_va_safe() and
> - * drm_gpuva_for_each_va_range_safe().
> + * VA space, such as drm_gpuvm_for_each_va_safe() and
> + * drm_gpuvm_for_each_va_range_safe().
> */
> void
> drm_gpuva_remove(struct drm_gpuva *va)
> {
> - struct drm_gpuva_manager *mgr = va->mgr;
> + struct drm_gpuvm *gpuvm = va->vm;
>
> - if (unlikely(va == &mgr->kernel_alloc_node)) {
> + if (unlikely(va == &gpuvm->kernel_alloc_node)) {
> WARN(1, "Can't destroy kernel reserved node.\n");
> return;
> }
> @@ -853,37 +853,37 @@ EXPORT_SYMBOL_GPL(drm_gpuva_unlink);
>
> /**
> * drm_gpuva_find_first() - find the first &drm_gpuva in the given range
> - * @mgr: the &drm_gpuva_manager to search in
> + * @gpuvm: the &drm_gpuvm to search in
> * @addr: the &drm_gpuvas address
> * @range: the &drm_gpuvas range
> *
> * Returns: the first &drm_gpuva within the given range
> */
> struct drm_gpuva *
> -drm_gpuva_find_first(struct drm_gpuva_manager *mgr,
> +drm_gpuva_find_first(struct drm_gpuvm *gpuvm,
> u64 addr, u64 range)
> {
> u64 last = addr + range - 1;
>
> - return drm_gpuva_it_iter_first(&mgr->rb.tree, addr, last);
> + return drm_gpuva_it_iter_first(&gpuvm->rb.tree, addr, last);
> }
> EXPORT_SYMBOL_GPL(drm_gpuva_find_first);
>
> /**
> * drm_gpuva_find() - find a &drm_gpuva
> - * @mgr: the &drm_gpuva_manager to search in
> + * @gpuvm: the &drm_gpuvm to search in
> * @addr: the &drm_gpuvas address
> * @range: the &drm_gpuvas range
> *
> * Returns: the &drm_gpuva at a given &addr and with a given &range
> */
> struct drm_gpuva *
> -drm_gpuva_find(struct drm_gpuva_manager *mgr,
> +drm_gpuva_find(struct drm_gpuvm *gpuvm,
> u64 addr, u64 range)
> {
> struct drm_gpuva *va;
>
> - va = drm_gpuva_find_first(mgr, addr, range);
> + va = drm_gpuva_find_first(gpuvm, addr, range);
> if (!va)
> goto out;
>
> @@ -900,7 +900,7 @@ EXPORT_SYMBOL_GPL(drm_gpuva_find);
>
> /**
> * drm_gpuva_find_prev() - find the &drm_gpuva before the given address
> - * @mgr: the &drm_gpuva_manager to search in
> + * @gpuvm: the &drm_gpuvm to search in
> * @start: the given GPU VA's start address
> *
> * Find the adjacent &drm_gpuva before the GPU VA with given &start address.
> @@ -911,18 +911,18 @@ EXPORT_SYMBOL_GPL(drm_gpuva_find);
> * Returns: a pointer to the found &drm_gpuva or NULL if none was found
> */
> struct drm_gpuva *
> -drm_gpuva_find_prev(struct drm_gpuva_manager *mgr, u64 start)
> +drm_gpuva_find_prev(struct drm_gpuvm *gpuvm, u64 start)
> {
> - if (!drm_gpuva_range_valid(mgr, start - 1, 1))
> + if (!drm_gpuva_range_valid(gpuvm, start - 1, 1))
> return NULL;
>
> - return drm_gpuva_it_iter_first(&mgr->rb.tree, start - 1, start);
> + return drm_gpuva_it_iter_first(&gpuvm->rb.tree, start - 1, start);
> }
> EXPORT_SYMBOL_GPL(drm_gpuva_find_prev);
>
> /**
> * drm_gpuva_find_next() - find the &drm_gpuva after the given address
> - * @mgr: the &drm_gpuva_manager to search in
> + * @gpuvm: the &drm_gpuvm to search in
> * @end: the given GPU VA's end address
> *
> * Find the adjacent &drm_gpuva after the GPU VA with given &end address.
> @@ -933,47 +933,47 @@ EXPORT_SYMBOL_GPL(drm_gpuva_find_prev);
> * Returns: a pointer to the found &drm_gpuva or NULL if none was found
> */
> struct drm_gpuva *
> -drm_gpuva_find_next(struct drm_gpuva_manager *mgr, u64 end)
> +drm_gpuva_find_next(struct drm_gpuvm *gpuvm, u64 end)
> {
> - if (!drm_gpuva_range_valid(mgr, end, 1))
> + if (!drm_gpuva_range_valid(gpuvm, end, 1))
> return NULL;
>
> - return drm_gpuva_it_iter_first(&mgr->rb.tree, end, end + 1);
> + return drm_gpuva_it_iter_first(&gpuvm->rb.tree, end, end + 1);
> }
> EXPORT_SYMBOL_GPL(drm_gpuva_find_next);
>
> /**
> * drm_gpuva_interval_empty() - indicate whether a given interval of the VA space
> * is empty
> - * @mgr: the &drm_gpuva_manager to check the range for
> + * @gpuvm: the &drm_gpuvm to check the range for
> * @addr: the start address of the range
> * @range: the range of the interval
> *
> * Returns: true if the interval is empty, false otherwise
> */
> bool
> -drm_gpuva_interval_empty(struct drm_gpuva_manager *mgr, u64 addr, u64 range)
> +drm_gpuva_interval_empty(struct drm_gpuvm *gpuvm, u64 addr, u64 range)
> {
> - return !drm_gpuva_find_first(mgr, addr, range);
> + return !drm_gpuva_find_first(gpuvm, addr, range);
> }
> EXPORT_SYMBOL_GPL(drm_gpuva_interval_empty);
>
> /**
> * drm_gpuva_map() - helper to insert a &drm_gpuva according to a
> * &drm_gpuva_op_map
> - * @mgr: the &drm_gpuva_manager
> + * @gpuvm: the &drm_gpuvm
> * @va: the &drm_gpuva to insert
> * @op: the &drm_gpuva_op_map to initialize @va with
> *
> - * Initializes the @va from the @op and inserts it into the given @mgr.
> + * Initializes the @va from the @op and inserts it into the given @gpuvm.
> */
> void
> -drm_gpuva_map(struct drm_gpuva_manager *mgr,
> +drm_gpuva_map(struct drm_gpuvm *gpuvm,
> struct drm_gpuva *va,
> struct drm_gpuva_op_map *op)
> {
> drm_gpuva_init_from_op(va, op);
> - drm_gpuva_insert(mgr, va);
> + drm_gpuva_insert(gpuvm, va);
> }
> EXPORT_SYMBOL_GPL(drm_gpuva_map);
>
> @@ -993,18 +993,18 @@ drm_gpuva_remap(struct drm_gpuva *prev,
> struct drm_gpuva_op_remap *op)
> {
> struct drm_gpuva *curr = op->unmap->va;
> - struct drm_gpuva_manager *mgr = curr->mgr;
> + struct drm_gpuvm *gpuvm = curr->vm;
>
> drm_gpuva_remove(curr);
>
> if (op->prev) {
> drm_gpuva_init_from_op(prev, op->prev);
> - drm_gpuva_insert(mgr, prev);
> + drm_gpuva_insert(gpuvm, prev);
> }
>
> if (op->next) {
> drm_gpuva_init_from_op(next, op->next);
> - drm_gpuva_insert(mgr, next);
> + drm_gpuva_insert(gpuvm, next);
> }
> }
> EXPORT_SYMBOL_GPL(drm_gpuva_remap);
> @@ -1024,7 +1024,7 @@ drm_gpuva_unmap(struct drm_gpuva_op_unmap *op)
> EXPORT_SYMBOL_GPL(drm_gpuva_unmap);
>
> static int
> -op_map_cb(const struct drm_gpuva_fn_ops *fn, void *priv,
> +op_map_cb(const struct drm_gpuvm_ops *fn, void *priv,
> u64 addr, u64 range,
> struct drm_gem_object *obj, u64 offset)
> {
> @@ -1040,7 +1040,7 @@ op_map_cb(const struct drm_gpuva_fn_ops *fn, void *priv,
> }
>
> static int
> -op_remap_cb(const struct drm_gpuva_fn_ops *fn, void *priv,
> +op_remap_cb(const struct drm_gpuvm_ops *fn, void *priv,
> struct drm_gpuva_op_map *prev,
> struct drm_gpuva_op_map *next,
> struct drm_gpuva_op_unmap *unmap)
> @@ -1058,7 +1058,7 @@ op_remap_cb(const struct drm_gpuva_fn_ops *fn, void *priv,
> }
>
> static int
> -op_unmap_cb(const struct drm_gpuva_fn_ops *fn, void *priv,
> +op_unmap_cb(const struct drm_gpuvm_ops *fn, void *priv,
> struct drm_gpuva *va, bool merge)
> {
> struct drm_gpuva_op op = {};
> @@ -1071,8 +1071,8 @@ op_unmap_cb(const struct drm_gpuva_fn_ops *fn, void *priv,
> }
>
> static int
> -__drm_gpuva_sm_map(struct drm_gpuva_manager *mgr,
> - const struct drm_gpuva_fn_ops *ops, void *priv,
> +__drm_gpuvm_sm_map(struct drm_gpuvm *gpuvm,
> + const struct drm_gpuvm_ops *ops, void *priv,
> u64 req_addr, u64 req_range,
> struct drm_gem_object *req_obj, u64 req_offset)
> {
> @@ -1080,10 +1080,10 @@ __drm_gpuva_sm_map(struct drm_gpuva_manager *mgr,
> u64 req_end = req_addr + req_range;
> int ret;
>
> - if (unlikely(!drm_gpuva_range_valid(mgr, req_addr, req_range)))
> + if (unlikely(!drm_gpuva_range_valid(gpuvm, req_addr, req_range)))
> return -EINVAL;
>
> - drm_gpuva_for_each_va_range_safe(va, next, mgr, req_addr, req_end) {
> + drm_gpuvm_for_each_va_range_safe(va, next, gpuvm, req_addr, req_end) {
> struct drm_gem_object *obj = va->gem.obj;
> u64 offset = va->gem.offset;
> u64 addr = va->va.addr;
> @@ -1215,18 +1215,18 @@ __drm_gpuva_sm_map(struct drm_gpuva_manager *mgr,
> }
>
> static int
> -__drm_gpuva_sm_unmap(struct drm_gpuva_manager *mgr,
> - const struct drm_gpuva_fn_ops *ops, void *priv,
> +__drm_gpuvm_sm_unmap(struct drm_gpuvm *gpuvm,
> + const struct drm_gpuvm_ops *ops, void *priv,
> u64 req_addr, u64 req_range)
> {
> struct drm_gpuva *va, *next;
> u64 req_end = req_addr + req_range;
> int ret;
>
> - if (unlikely(!drm_gpuva_range_valid(mgr, req_addr, req_range)))
> + if (unlikely(!drm_gpuva_range_valid(gpuvm, req_addr, req_range)))
> return -EINVAL;
>
> - drm_gpuva_for_each_va_range_safe(va, next, mgr, req_addr, req_end) {
> + drm_gpuvm_for_each_va_range_safe(va, next, gpuvm, req_addr, req_end) {
> struct drm_gpuva_op_map prev = {}, next = {};
> bool prev_split = false, next_split = false;
> struct drm_gem_object *obj = va->gem.obj;
> @@ -1273,8 +1273,8 @@ __drm_gpuva_sm_unmap(struct drm_gpuva_manager *mgr,
> }
>
> /**
> - * drm_gpuva_sm_map() - creates the &drm_gpuva_op split/merge steps
> - * @mgr: the &drm_gpuva_manager representing the GPU VA space
> + * drm_gpuvm_sm_map() - creates the &drm_gpuva_op split/merge steps
> + * @gpuvm: the &drm_gpuvm representing the GPU VA space
> * @req_addr: the start address of the new mapping
> * @req_range: the range of the new mapping
> * @req_obj: the &drm_gem_object to map
> @@ -1282,15 +1282,15 @@ __drm_gpuva_sm_unmap(struct drm_gpuva_manager *mgr,
> * @priv: pointer to a driver private data structure
> *
> * This function iterates the given range of the GPU VA space. It utilizes the
> - * &drm_gpuva_fn_ops to call back into the driver providing the split and merge
> + * &drm_gpuvm_ops to call back into the driver providing the split and merge
> * steps.
> *
> * Drivers may use these callbacks to update the GPU VA space right away within
> * the callback. In case the driver decides to copy and store the operations for
> - * later processing neither this function nor &drm_gpuva_sm_unmap is allowed to
> - * be called before the &drm_gpuva_manager's view of the GPU VA space was
> + * later processing neither this function nor &drm_gpuvm_sm_unmap is allowed to
> + * be called before the &drm_gpuvm's view of the GPU VA space was
> * updated with the previous set of operations. To update the
> - * &drm_gpuva_manager's view of the GPU VA space drm_gpuva_insert(),
> + * &drm_gpuvm's view of the GPU VA space drm_gpuva_insert(),
> * drm_gpuva_destroy_locked() and/or drm_gpuva_destroy_unlocked() should be
> * used.
> *
> @@ -1305,39 +1305,39 @@ __drm_gpuva_sm_unmap(struct drm_gpuva_manager *mgr,
> * Returns: 0 on success or a negative error code
> */
> int
> -drm_gpuva_sm_map(struct drm_gpuva_manager *mgr, void *priv,
> +drm_gpuvm_sm_map(struct drm_gpuvm *gpuvm, void *priv,
> u64 req_addr, u64 req_range,
> struct drm_gem_object *req_obj, u64 req_offset)
> {
> - const struct drm_gpuva_fn_ops *ops = mgr->ops;
> + const struct drm_gpuvm_ops *ops = gpuvm->ops;
>
> if (unlikely(!(ops && ops->sm_step_map &&
> ops->sm_step_remap &&
> ops->sm_step_unmap)))
> return -EINVAL;
>
> - return __drm_gpuva_sm_map(mgr, ops, priv,
> + return __drm_gpuvm_sm_map(gpuvm, ops, priv,
> req_addr, req_range,
> req_obj, req_offset);
> }
> -EXPORT_SYMBOL_GPL(drm_gpuva_sm_map);
> +EXPORT_SYMBOL_GPL(drm_gpuvm_sm_map);
>
> /**
> - * drm_gpuva_sm_unmap() - creates the &drm_gpuva_ops to split on unmap
> - * @mgr: the &drm_gpuva_manager representing the GPU VA space
> + * drm_gpuvm_sm_unmap() - creates the &drm_gpuva_ops to split on unmap
> + * @gpuvm: the &drm_gpuvm representing the GPU VA space
> * @priv: pointer to a driver private data structure
> * @req_addr: the start address of the range to unmap
> * @req_range: the range of the mappings to unmap
> *
> * This function iterates the given range of the GPU VA space. It utilizes the
> - * &drm_gpuva_fn_ops to call back into the driver providing the operations to
> + * &drm_gpuvm_ops to call back into the driver providing the operations to
> * unmap and, if required, split existent mappings.
> *
> * Drivers may use these callbacks to update the GPU VA space right away within
> * the callback. In case the driver decides to copy and store the operations for
> - * later processing neither this function nor &drm_gpuva_sm_map is allowed to be
> - * called before the &drm_gpuva_manager's view of the GPU VA space was updated
> - * with the previous set of operations. To update the &drm_gpuva_manager's view
> + * later processing neither this function nor &drm_gpuvm_sm_map is allowed to be
> + * called before the &drm_gpuvm's view of the GPU VA space was updated
> + * with the previous set of operations. To update the &drm_gpuvm's view
> * of the GPU VA space drm_gpuva_insert(), drm_gpuva_destroy_locked() and/or
> * drm_gpuva_destroy_unlocked() should be used.
> *
> @@ -1350,24 +1350,24 @@ EXPORT_SYMBOL_GPL(drm_gpuva_sm_map);
> * Returns: 0 on success or a negative error code
> */
> int
> -drm_gpuva_sm_unmap(struct drm_gpuva_manager *mgr, void *priv,
> +drm_gpuvm_sm_unmap(struct drm_gpuvm *gpuvm, void *priv,
> u64 req_addr, u64 req_range)
> {
> - const struct drm_gpuva_fn_ops *ops = mgr->ops;
> + const struct drm_gpuvm_ops *ops = gpuvm->ops;
>
> if (unlikely(!(ops && ops->sm_step_remap &&
> ops->sm_step_unmap)))
> return -EINVAL;
>
> - return __drm_gpuva_sm_unmap(mgr, ops, priv,
> + return __drm_gpuvm_sm_unmap(gpuvm, ops, priv,
> req_addr, req_range);
> }
> -EXPORT_SYMBOL_GPL(drm_gpuva_sm_unmap);
> +EXPORT_SYMBOL_GPL(drm_gpuvm_sm_unmap);
>
> static struct drm_gpuva_op *
> -gpuva_op_alloc(struct drm_gpuva_manager *mgr)
> +gpuva_op_alloc(struct drm_gpuvm *gpuvm)
> {
> - const struct drm_gpuva_fn_ops *fn = mgr->ops;
> + const struct drm_gpuvm_ops *fn = gpuvm->ops;
> struct drm_gpuva_op *op;
>
> if (fn && fn->op_alloc)
> @@ -1382,10 +1382,10 @@ gpuva_op_alloc(struct drm_gpuva_manager *mgr)
> }
>
> static void
> -gpuva_op_free(struct drm_gpuva_manager *mgr,
> +gpuva_op_free(struct drm_gpuvm *gpuvm,
> struct drm_gpuva_op *op)
> {
> - const struct drm_gpuva_fn_ops *fn = mgr->ops;
> + const struct drm_gpuvm_ops *fn = gpuvm->ops;
>
> if (fn && fn->op_free)
> fn->op_free(op);
> @@ -1398,14 +1398,14 @@ drm_gpuva_sm_step(struct drm_gpuva_op *__op,
> void *priv)
> {
> struct {
> - struct drm_gpuva_manager *mgr;
> + struct drm_gpuvm *vm;
> struct drm_gpuva_ops *ops;
> } *args = priv;
> - struct drm_gpuva_manager *mgr = args->mgr;
> + struct drm_gpuvm *gpuvm = args->vm;
> struct drm_gpuva_ops *ops = args->ops;
> struct drm_gpuva_op *op;
>
> - op = gpuva_op_alloc(mgr);
> + op = gpuva_op_alloc(gpuvm);
> if (unlikely(!op))
> goto err;
>
> @@ -1444,20 +1444,20 @@ drm_gpuva_sm_step(struct drm_gpuva_op *__op,
> err_free_prev:
> kfree(op->remap.prev);
> err_free_op:
> - gpuva_op_free(mgr, op);
> + gpuva_op_free(gpuvm, op);
> err:
> return -ENOMEM;
> }
>
> -static const struct drm_gpuva_fn_ops gpuva_list_ops = {
> +static const struct drm_gpuvm_ops gpuvm_list_ops = {
> .sm_step_map = drm_gpuva_sm_step,
> .sm_step_remap = drm_gpuva_sm_step,
> .sm_step_unmap = drm_gpuva_sm_step,
> };
>
> /**
> - * drm_gpuva_sm_map_ops_create() - creates the &drm_gpuva_ops to split and merge
> - * @mgr: the &drm_gpuva_manager representing the GPU VA space
> + * drm_gpuvm_sm_map_ops_create() - creates the &drm_gpuva_ops to split and merge
> + * @gpuvm: the &drm_gpuvm representing the GPU VA space
> * @req_addr: the start address of the new mapping
> * @req_range: the range of the new mapping
> * @req_obj: the &drm_gem_object to map
> @@ -1476,9 +1476,9 @@ static const struct drm_gpuva_fn_ops gpuva_list_ops = {
> * map operation requested by the caller.
> *
> * Note that before calling this function again with another mapping request it
> - * is necessary to update the &drm_gpuva_manager's view of the GPU VA space. The
> + * is necessary to update the &drm_gpuvm's view of the GPU VA space. The
> * previously obtained operations must be either processed or abandoned. To
> - * update the &drm_gpuva_manager's view of the GPU VA space drm_gpuva_insert(),
> + * update the &drm_gpuvm's view of the GPU VA space drm_gpuva_insert(),
> * drm_gpuva_destroy_locked() and/or drm_gpuva_destroy_unlocked() should be
> * used.
> *
> @@ -1488,13 +1488,13 @@ static const struct drm_gpuva_fn_ops gpuva_list_ops = {
> * Returns: a pointer to the &drm_gpuva_ops on success, an ERR_PTR on failure
> */
> struct drm_gpuva_ops *
> -drm_gpuva_sm_map_ops_create(struct drm_gpuva_manager *mgr,
> +drm_gpuvm_sm_map_ops_create(struct drm_gpuvm *gpuvm,
> u64 req_addr, u64 req_range,
> struct drm_gem_object *req_obj, u64 req_offset)
> {
> struct drm_gpuva_ops *ops;
> struct {
> - struct drm_gpuva_manager *mgr;
> + struct drm_gpuvm *vm;
> struct drm_gpuva_ops *ops;
> } args;
> int ret;
> @@ -1505,10 +1505,10 @@ drm_gpuva_sm_map_ops_create(struct drm_gpuva_manager *mgr,
>
> INIT_LIST_HEAD(&ops->list);
>
> - args.mgr = mgr;
> + args.vm = gpuvm;
> args.ops = ops;
>
> - ret = __drm_gpuva_sm_map(mgr, &gpuva_list_ops, &args,
> + ret = __drm_gpuvm_sm_map(gpuvm, &gpuvm_list_ops, &args,
> req_addr, req_range,
> req_obj, req_offset);
> if (ret)
> @@ -1517,15 +1517,15 @@ drm_gpuva_sm_map_ops_create(struct drm_gpuva_manager *mgr,
> return ops;
>
> err_free_ops:
> - drm_gpuva_ops_free(mgr, ops);
> + drm_gpuva_ops_free(gpuvm, ops);
> return ERR_PTR(ret);
> }
> -EXPORT_SYMBOL_GPL(drm_gpuva_sm_map_ops_create);
> +EXPORT_SYMBOL_GPL(drm_gpuvm_sm_map_ops_create);
>
> /**
> - * drm_gpuva_sm_unmap_ops_create() - creates the &drm_gpuva_ops to split on
> + * drm_gpuvm_sm_unmap_ops_create() - creates the &drm_gpuva_ops to split on
> * unmap
> - * @mgr: the &drm_gpuva_manager representing the GPU VA space
> + * @gpuvm: the &drm_gpuvm representing the GPU VA space
> * @req_addr: the start address of the range to unmap
> * @req_range: the range of the mappings to unmap
> *
> @@ -1540,9 +1540,9 @@ EXPORT_SYMBOL_GPL(drm_gpuva_sm_map_ops_create);
> * remap operations.
> *
> * Note that before calling this function again with another range to unmap it
> - * is necessary to update the &drm_gpuva_manager's view of the GPU VA space. The
> + * is necessary to update the &drm_gpuvm's view of the GPU VA space. The
> * previously obtained operations must be processed or abandoned. To update the
> - * &drm_gpuva_manager's view of the GPU VA space drm_gpuva_insert(),
> + * &drm_gpuvm's view of the GPU VA space drm_gpuva_insert(),
> * drm_gpuva_destroy_locked() and/or drm_gpuva_destroy_unlocked() should be
> * used.
> *
> @@ -1552,12 +1552,12 @@ EXPORT_SYMBOL_GPL(drm_gpuva_sm_map_ops_create);
> * Returns: a pointer to the &drm_gpuva_ops on success, an ERR_PTR on failure
> */
> struct drm_gpuva_ops *
> -drm_gpuva_sm_unmap_ops_create(struct drm_gpuva_manager *mgr,
> +drm_gpuvm_sm_unmap_ops_create(struct drm_gpuvm *gpuvm,
> u64 req_addr, u64 req_range)
> {
> struct drm_gpuva_ops *ops;
> struct {
> - struct drm_gpuva_manager *mgr;
> + struct drm_gpuvm *vm;
> struct drm_gpuva_ops *ops;
> } args;
> int ret;
> @@ -1568,10 +1568,10 @@ drm_gpuva_sm_unmap_ops_create(struct drm_gpuva_manager *mgr,
>
> INIT_LIST_HEAD(&ops->list);
>
> - args.mgr = mgr;
> + args.vm = gpuvm;
> args.ops = ops;
>
> - ret = __drm_gpuva_sm_unmap(mgr, &gpuva_list_ops, &args,
> + ret = __drm_gpuvm_sm_unmap(gpuvm, &gpuvm_list_ops, &args,
> req_addr, req_range);
> if (ret)
> goto err_free_ops;
> @@ -1579,14 +1579,14 @@ drm_gpuva_sm_unmap_ops_create(struct drm_gpuva_manager *mgr,
> return ops;
>
> err_free_ops:
> - drm_gpuva_ops_free(mgr, ops);
> + drm_gpuva_ops_free(gpuvm, ops);
> return ERR_PTR(ret);
> }
> -EXPORT_SYMBOL_GPL(drm_gpuva_sm_unmap_ops_create);
> +EXPORT_SYMBOL_GPL(drm_gpuvm_sm_unmap_ops_create);
>
> /**
> - * drm_gpuva_prefetch_ops_create() - creates the &drm_gpuva_ops to prefetch
> - * @mgr: the &drm_gpuva_manager representing the GPU VA space
> + * drm_gpuvm_prefetch_ops_create() - creates the &drm_gpuva_ops to prefetch
> + * @gpuvm: the &drm_gpuvm representing the GPU VA space
> * @addr: the start address of the range to prefetch
> * @range: the range of the mappings to prefetch
> *
> @@ -1603,7 +1603,7 @@ EXPORT_SYMBOL_GPL(drm_gpuva_sm_unmap_ops_create);
> * Returns: a pointer to the &drm_gpuva_ops on success, an ERR_PTR on failure
> */
> struct drm_gpuva_ops *
> -drm_gpuva_prefetch_ops_create(struct drm_gpuva_manager *mgr,
> +drm_gpuvm_prefetch_ops_create(struct drm_gpuvm *gpuvm,
> u64 addr, u64 range)
> {
> struct drm_gpuva_ops *ops;
> @@ -1618,8 +1618,8 @@ drm_gpuva_prefetch_ops_create(struct drm_gpuva_manager *mgr,
>
> INIT_LIST_HEAD(&ops->list);
>
> - drm_gpuva_for_each_va_range(va, mgr, addr, end) {
> - op = gpuva_op_alloc(mgr);
> + drm_gpuvm_for_each_va_range(va, gpuvm, addr, end) {
> + op = gpuva_op_alloc(gpuvm);
> if (!op) {
> ret = -ENOMEM;
> goto err_free_ops;
> @@ -1633,14 +1633,14 @@ drm_gpuva_prefetch_ops_create(struct drm_gpuva_manager *mgr,
> return ops;
>
> err_free_ops:
> - drm_gpuva_ops_free(mgr, ops);
> + drm_gpuva_ops_free(gpuvm, ops);
> return ERR_PTR(ret);
> }
> -EXPORT_SYMBOL_GPL(drm_gpuva_prefetch_ops_create);
> +EXPORT_SYMBOL_GPL(drm_gpuvm_prefetch_ops_create);
>
> /**
> - * drm_gpuva_gem_unmap_ops_create() - creates the &drm_gpuva_ops to unmap a GEM
> - * @mgr: the &drm_gpuva_manager representing the GPU VA space
> + * drm_gpuvm_gem_unmap_ops_create() - creates the &drm_gpuva_ops to unmap a GEM
> + * @gpuvm: the &drm_gpuvm representing the GPU VA space
> * @obj: the &drm_gem_object to unmap
> *
> * This function creates a list of operations to perform unmapping for every
> @@ -1658,7 +1658,7 @@ EXPORT_SYMBOL_GPL(drm_gpuva_prefetch_ops_create);
> * Returns: a pointer to the &drm_gpuva_ops on success, an ERR_PTR on failure
> */
> struct drm_gpuva_ops *
> -drm_gpuva_gem_unmap_ops_create(struct drm_gpuva_manager *mgr,
> +drm_gpuvm_gem_unmap_ops_create(struct drm_gpuvm *gpuvm,
> struct drm_gem_object *obj)
> {
> struct drm_gpuva_ops *ops;
> @@ -1675,7 +1675,7 @@ drm_gpuva_gem_unmap_ops_create(struct drm_gpuva_manager *mgr,
> INIT_LIST_HEAD(&ops->list);
>
> drm_gem_for_each_gpuva(va, obj) {
> - op = gpuva_op_alloc(mgr);
> + op = gpuva_op_alloc(gpuvm);
> if (!op) {
> ret = -ENOMEM;
> goto err_free_ops;
> @@ -1689,21 +1689,21 @@ drm_gpuva_gem_unmap_ops_create(struct drm_gpuva_manager *mgr,
> return ops;
>
> err_free_ops:
> - drm_gpuva_ops_free(mgr, ops);
> + drm_gpuva_ops_free(gpuvm, ops);
> return ERR_PTR(ret);
> }
> -EXPORT_SYMBOL_GPL(drm_gpuva_gem_unmap_ops_create);
> +EXPORT_SYMBOL_GPL(drm_gpuvm_gem_unmap_ops_create);
>
> /**
> * drm_gpuva_ops_free() - free the given &drm_gpuva_ops
> - * @mgr: the &drm_gpuva_manager the ops were created for
> + * @gpuvm: the &drm_gpuvm the ops were created for
> * @ops: the &drm_gpuva_ops to free
> *
> * Frees the given &drm_gpuva_ops structure including all the ops associated
> * with it.
> */
> void
> -drm_gpuva_ops_free(struct drm_gpuva_manager *mgr,
> +drm_gpuva_ops_free(struct drm_gpuvm *gpuvm,
> struct drm_gpuva_ops *ops)
> {
> struct drm_gpuva_op *op, *next;
> @@ -1717,7 +1717,7 @@ drm_gpuva_ops_free(struct drm_gpuva_manager *mgr,
> kfree(op->remap.unmap);
> }
>
> - gpuva_op_free(mgr, op);
> + gpuva_op_free(gpuvm, op);
> }
>
> kfree(ops);
> diff --git a/drivers/gpu/drm/nouveau/nouveau_exec.c b/drivers/gpu/drm/nouveau/nouveau_exec.c
> index a90c4cd8cbb2..c001952cd678 100644
> --- a/drivers/gpu/drm/nouveau/nouveau_exec.c
> +++ b/drivers/gpu/drm/nouveau/nouveau_exec.c
> @@ -106,7 +106,7 @@ nouveau_exec_job_submit(struct nouveau_job *job)
> drm_exec_until_all_locked(exec) {
> struct drm_gpuva *va;
>
> - drm_gpuva_for_each_va(va, &uvmm->umgr) {
> + drm_gpuvm_for_each_va(va, &uvmm->umgr) {
> if (unlikely(va == &uvmm->umgr.kernel_alloc_node))
> continue;
>
> diff --git a/drivers/gpu/drm/nouveau/nouveau_uvmm.c b/drivers/gpu/drm/nouveau/nouveau_uvmm.c
> index aae780e4a4aa..c750072cb268 100644
> --- a/drivers/gpu/drm/nouveau/nouveau_uvmm.c
> +++ b/drivers/gpu/drm/nouveau/nouveau_uvmm.c
> @@ -444,7 +444,7 @@ op_map_prepare_unwind(struct nouveau_uvma *uvma)
> static void
> op_unmap_prepare_unwind(struct drm_gpuva *va)
> {
> - drm_gpuva_insert(va->mgr, va);
> + drm_gpuva_insert(va->vm, va);
> }
>
> static void
> @@ -1194,7 +1194,7 @@ nouveau_uvmm_bind_job_submit(struct nouveau_job *job)
> goto unwind_continue;
> }
>
> - op->ops = drm_gpuva_sm_unmap_ops_create(&uvmm->umgr,
> + op->ops = drm_gpuvm_sm_unmap_ops_create(&uvmm->umgr,
> op->va.addr,
> op->va.range);
> if (IS_ERR(op->ops)) {
> @@ -1240,7 +1240,7 @@ nouveau_uvmm_bind_job_submit(struct nouveau_job *job)
> }
> }
>
> - op->ops = drm_gpuva_sm_map_ops_create(&uvmm->umgr,
> + op->ops = drm_gpuvm_sm_map_ops_create(&uvmm->umgr,
> op->va.addr,
> op->va.range,
> op->gem.obj,
> @@ -1264,7 +1264,7 @@ nouveau_uvmm_bind_job_submit(struct nouveau_job *job)
> break;
> }
> case OP_UNMAP:
> - op->ops = drm_gpuva_sm_unmap_ops_create(&uvmm->umgr,
> + op->ops = drm_gpuvm_sm_unmap_ops_create(&uvmm->umgr,
> op->va.addr,
> op->va.range);
> if (IS_ERR(op->ops)) {
> @@ -1836,11 +1836,11 @@ nouveau_uvmm_init(struct nouveau_uvmm *uvmm, struct nouveau_cli *cli,
> uvmm->kernel_managed_addr = kernel_managed_addr;
> uvmm->kernel_managed_size = kernel_managed_size;
>
> - drm_gpuva_manager_init(&uvmm->umgr, cli->name,
> - NOUVEAU_VA_SPACE_START,
> - NOUVEAU_VA_SPACE_END,
> - kernel_managed_addr, kernel_managed_size,
> - NULL);
> + drm_gpuvm_init(&uvmm->umgr, cli->name,
> + NOUVEAU_VA_SPACE_START,
> + NOUVEAU_VA_SPACE_END,
> + kernel_managed_addr, kernel_managed_size,
> + NULL);
>
> ret = nvif_vmm_ctor(&cli->mmu, "uvmm",
> cli->vmm.vmm.object.oclass, RAW,
> @@ -1855,7 +1855,7 @@ nouveau_uvmm_init(struct nouveau_uvmm *uvmm, struct nouveau_cli *cli,
> return 0;
>
> out_free_gpuva_mgr:
> - drm_gpuva_manager_destroy(&uvmm->umgr);
> + drm_gpuvm_destroy(&uvmm->umgr);
> out_unlock:
> mutex_unlock(&cli->mutex);
> return ret;
> @@ -1877,7 +1877,7 @@ nouveau_uvmm_fini(struct nouveau_uvmm *uvmm)
> wait_event(entity->job.wq, list_empty(&entity->job.list.head));
>
> nouveau_uvmm_lock(uvmm);
> - drm_gpuva_for_each_va_safe(va, next, &uvmm->umgr) {
> + drm_gpuvm_for_each_va_safe(va, next, &uvmm->umgr) {
> struct nouveau_uvma *uvma = uvma_from_va(va);
> struct drm_gem_object *obj = va->gem.obj;
>
> @@ -1910,7 +1910,7 @@ nouveau_uvmm_fini(struct nouveau_uvmm *uvmm)
>
> mutex_lock(&cli->mutex);
> nouveau_vmm_fini(&uvmm->vmm);
> - drm_gpuva_manager_destroy(&uvmm->umgr);
> + drm_gpuvm_destroy(&uvmm->umgr);
> mutex_unlock(&cli->mutex);
>
> dma_resv_fini(&uvmm->resv);
> diff --git a/drivers/gpu/drm/nouveau/nouveau_uvmm.h b/drivers/gpu/drm/nouveau/nouveau_uvmm.h
> index fc7f6fd2a4e1..e96c9919d1bd 100644
> --- a/drivers/gpu/drm/nouveau/nouveau_uvmm.h
> +++ b/drivers/gpu/drm/nouveau/nouveau_uvmm.h
> @@ -3,13 +3,13 @@
> #ifndef __NOUVEAU_UVMM_H__
> #define __NOUVEAU_UVMM_H__
>
> -#include <drm/drm_gpuva_mgr.h>
> +#include <drm/drm_gpuvm.h>
>
> #include "nouveau_drv.h"
>
> struct nouveau_uvmm {
> struct nouveau_vmm vmm;
> - struct drm_gpuva_manager umgr;
> + struct drm_gpuvm umgr;
> struct maple_tree region_mt;
> struct mutex mutex;
> struct dma_resv resv;
> @@ -44,7 +44,7 @@ struct nouveau_uvma {
> #define uvmm_from_mgr(x) container_of((x), struct nouveau_uvmm, umgr)
> #define uvma_from_va(x) container_of((x), struct nouveau_uvma, va)
>
> -#define to_uvmm(x) uvmm_from_mgr((x)->va.mgr)
> +#define to_uvmm(x) uvmm_from_mgr((x)->va.vm)
>
> struct nouveau_uvmm_bind_job {
> struct nouveau_job base;
> diff --git a/include/drm/drm_debugfs.h b/include/drm/drm_debugfs.h
> index 3bba169f9bae..cf06cee4343f 100644
> --- a/include/drm/drm_debugfs.h
> +++ b/include/drm/drm_debugfs.h
> @@ -35,7 +35,7 @@
> #include <linux/types.h>
> #include <linux/seq_file.h>
>
> -#include <drm/drm_gpuva_mgr.h>
> +#include <drm/drm_gpuvm.h>
>
> /**
> * DRM_DEBUGFS_GPUVA_INFO - &drm_info_list entry to dump a GPU VA space
> @@ -152,7 +152,7 @@ void drm_debugfs_add_files(struct drm_device *dev,
> const struct drm_debugfs_info *files, int count);
>
> int drm_debugfs_gpuva_info(struct seq_file *m,
> - struct drm_gpuva_manager *mgr);
> + struct drm_gpuvm *gpuvm);
> #else
> static inline void drm_debugfs_create_files(const struct drm_info_list *files,
> int count, struct dentry *root,
> @@ -177,7 +177,7 @@ static inline void drm_debugfs_add_files(struct drm_device *dev,
> {}
>
> static inline int drm_debugfs_gpuva_info(struct seq_file *m,
> - struct drm_gpuva_manager *mgr)
> + struct drm_gpuvm *gpuvm)
> {
> return 0;
> }
> diff --git a/include/drm/drm_gpuva_mgr.h b/include/drm/drm_gpuvm.h
> similarity index 78%
> rename from include/drm/drm_gpuva_mgr.h
> rename to include/drm/drm_gpuvm.h
> index ed8d50200cc3..0e802676e0a9 100644
> --- a/include/drm/drm_gpuva_mgr.h
> +++ b/include/drm/drm_gpuvm.h
> @@ -1,7 +1,7 @@
> /* SPDX-License-Identifier: GPL-2.0-only */
>
> -#ifndef __DRM_GPUVA_MGR_H__
> -#define __DRM_GPUVA_MGR_H__
> +#ifndef __DRM_GPUVM_H__
> +#define __DRM_GPUVM_H__
>
> /*
> * Copyright (c) 2022 Red Hat.
> @@ -31,8 +31,8 @@
>
> #include <drm/drm_gem.h>
>
> -struct drm_gpuva_manager;
> -struct drm_gpuva_fn_ops;
> +struct drm_gpuvm;
> +struct drm_gpuvm_ops;
>
> /**
> * enum drm_gpuva_flags - flags for struct drm_gpuva
> @@ -62,15 +62,15 @@ enum drm_gpuva_flags {
> * 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.
> + * &drm_gpuvm.
> *
> * Typically, this structure is embedded in bigger driver structures.
> */
> struct drm_gpuva {
> /**
> - * @mgr: the &drm_gpuva_manager this object is associated with
> + * @vm: the &drm_gpuvm this object is associated with
> */
> - struct drm_gpuva_manager *mgr;
> + struct drm_gpuvm *vm;
>
> /**
> * @flags: the &drm_gpuva_flags for this mapping
> @@ -137,20 +137,20 @@ struct drm_gpuva {
> } rb;
> };
>
> -int drm_gpuva_insert(struct drm_gpuva_manager *mgr, struct drm_gpuva *va);
> +int drm_gpuva_insert(struct drm_gpuvm *gpuvm, 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,
> +struct drm_gpuva *drm_gpuva_find(struct drm_gpuvm *gpuvm,
> u64 addr, u64 range);
> -struct drm_gpuva *drm_gpuva_find_first(struct drm_gpuva_manager *mgr,
> +struct drm_gpuva *drm_gpuva_find_first(struct drm_gpuvm *gpuvm,
> 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);
> +struct drm_gpuva *drm_gpuva_find_prev(struct drm_gpuvm *gpuvm, u64 start);
> +struct drm_gpuva *drm_gpuva_find_next(struct drm_gpuvm *gpuvm, u64 end);
>
> -bool drm_gpuva_interval_empty(struct drm_gpuva_manager *mgr, u64 addr, u64 range);
> +bool drm_gpuva_interval_empty(struct drm_gpuvm *gpuvm, 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)
> @@ -186,7 +186,7 @@ static inline bool drm_gpuva_invalidated(struct drm_gpuva *va)
> }
>
> /**
> - * struct drm_gpuva_manager - DRM GPU VA Manager
> + * struct drm_gpuvm - 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
> @@ -197,7 +197,7 @@ static inline bool drm_gpuva_invalidated(struct drm_gpuva *va)
> *
> * There should be one manager instance per GPU virtual address space.
> */
> -struct drm_gpuva_manager {
> +struct drm_gpuvm {
> /**
> * @name: the name of the DRM GPU VA space
> */
> @@ -237,100 +237,99 @@ struct drm_gpuva_manager {
> struct drm_gpuva kernel_alloc_node;
>
> /**
> - * @ops: &drm_gpuva_fn_ops providing the split/merge steps to drivers
> + * @ops: &drm_gpuvm_ops providing the split/merge steps to drivers
> */
> - const struct drm_gpuva_fn_ops *ops;
> + const struct drm_gpuvm_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);
> +void drm_gpuvm_init(struct drm_gpuvm *gpuvm, const char *name,
> + u64 start_offset, u64 range,
> + u64 reserve_offset, u64 reserve_range,
> + const struct drm_gpuvm_ops *ops);
> +void drm_gpuvm_destroy(struct drm_gpuvm *gpuvm);
>
> static inline struct drm_gpuva *
> __drm_gpuva_next(struct drm_gpuva *va)
> {
> - if (va && !list_is_last(&va->rb.entry, &va->mgr->rb.list))
> + if (va && !list_is_last(&va->rb.entry, &va->vm->rb.list))
> return list_next_entry(va, rb.entry);
>
> return NULL;
> }
>
> /**
> - * drm_gpuva_for_each_va_range() - iterate over a range of &drm_gpuvas
> + * drm_gpuvm_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
> + * @gpuvm__: &drm_gpuvm 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
> + * This iterator walks over all &drm_gpuvas in the &drm_gpuvm 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
> + * but is using the &drm_gpuvm'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
> + * &drm_gpuvm. This iterator does not skip over the &drm_gpuvm'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__)); \
> +#define drm_gpuvm_for_each_va_range(va__, gpuvm__, start__, end__) \
> + for (va__ = drm_gpuva_find_first((gpuvm__), (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_gpuvm_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
> + * @gpuvm__: &drm_gpuvm 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
> + * This iterator walks over all &drm_gpuvas in the &drm_gpuvm 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
> + * list_for_each_safe(), but is using the &drm_gpuvm'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.
> + * upper limit of) the &drm_gpuvm. This iterator does not skip over the
> + * &drm_gpuvm'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__)), \
> +#define drm_gpuvm_for_each_va_range_safe(va__, next__, gpuvm__, start__, end__) \
> + for (va__ = drm_gpuva_find_first((gpuvm__), (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
> + * drm_gpuvm_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
> + * @gpuvm__: &drm_gpuvm to walk over
> *
> * This iterator walks over all &drm_gpuva structures associated with the given
> - * &drm_gpuva_manager.
> + * &drm_gpuvm.
> */
> -#define drm_gpuva_for_each_va(va__, mgr__) \
> - list_for_each_entry(va__, &(mgr__)->rb.list, rb.entry)
> +#define drm_gpuvm_for_each_va(va__, gpuvm__) \
> + list_for_each_entry(va__, &(gpuvm__)->rb.list, rb.entry)
>
> /**
> - * drm_gpuva_for_each_va_safe() - safely iterate over all &drm_gpuvas
> + * drm_gpuvm_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
> + * @gpuvm__: &drm_gpuvm 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
> + * &drm_gpuvm. 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)
> +#define drm_gpuvm_for_each_va_safe(va__, next__, gpuvm__) \
> + list_for_each_entry_safe(va__, next__, &(gpuvm__)->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.
> + * Operations to alter the GPU VA mappings tracked by the &drm_gpuvm.
> */
> enum drm_gpuva_op_type {
> /**
> @@ -413,7 +412,7 @@ struct drm_gpuva_op_unmap {
> *
> * 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.
> + * only and update the &drm_gpuvm accordingly.
> */
> bool keep;
> };
> @@ -584,22 +583,22 @@ struct drm_gpuva_ops {
> #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,
> +drm_gpuvm_sm_map_ops_create(struct drm_gpuvm *gpuvm,
> 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,
> +drm_gpuvm_sm_unmap_ops_create(struct drm_gpuvm *gpuvm,
> u64 addr, u64 range);
>
> struct drm_gpuva_ops *
> -drm_gpuva_prefetch_ops_create(struct drm_gpuva_manager *mgr,
> +drm_gpuvm_prefetch_ops_create(struct drm_gpuvm *gpuvm,
> u64 addr, u64 range);
>
> struct drm_gpuva_ops *
> -drm_gpuva_gem_unmap_ops_create(struct drm_gpuva_manager *mgr,
> +drm_gpuvm_gem_unmap_ops_create(struct drm_gpuvm *gpuvm,
> struct drm_gem_object *obj);
>
> -void drm_gpuva_ops_free(struct drm_gpuva_manager *mgr,
> +void drm_gpuva_ops_free(struct drm_gpuvm *gpuvm,
> struct drm_gpuva_ops *ops);
>
> static inline void drm_gpuva_init_from_op(struct drm_gpuva *va,
> @@ -610,15 +609,15 @@ static inline void drm_gpuva_init_from_op(struct drm_gpuva *va,
> }
>
> /**
> - * struct drm_gpuva_fn_ops - callbacks for split/merge steps
> + * struct drm_gpuvm_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
> + * This structure defines the callbacks used by &drm_gpuvm_sm_map and
> + * &drm_gpuvm_sm_unmap to provide the split/merge steps for map and unmap
> * operations to drivers.
> */
> -struct drm_gpuva_fn_ops {
> +struct drm_gpuvm_ops {
> /**
> - * @op_alloc: called when the &drm_gpuva_manager allocates
> + * @op_alloc: called when the &drm_gpuvm allocates
> * a struct drm_gpuva_op
> *
> * Some drivers may want to embed struct drm_gpuva_op into driver
> @@ -630,7 +629,7 @@ struct drm_gpuva_fn_ops {
> struct drm_gpuva_op *(*op_alloc)(void);
>
> /**
> - * @op_free: called when the &drm_gpuva_manager frees a
> + * @op_free: called when the &drm_gpuvm frees a
> * struct drm_gpuva_op
> *
> * Some drivers may want to embed struct drm_gpuva_op into driver
> @@ -642,19 +641,19 @@ struct drm_gpuva_fn_ops {
> void (*op_free)(struct drm_gpuva_op *op);
>
> /**
> - * @sm_step_map: called from &drm_gpuva_sm_map to finally insert the
> + * @sm_step_map: called from &drm_gpuvm_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.
> + * &drm_gpuvm_sm_map or &drm_gpuvm_sm_unmap, respectively.
> *
> - * Can be NULL if &drm_gpuva_sm_map is used.
> + * Can be NULL if &drm_gpuvm_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
> + * @sm_step_remap: called from &drm_gpuvm_sm_map and
> + * &drm_gpuvm_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
> @@ -662,38 +661,38 @@ struct drm_gpuva_fn_ops {
> * mapping is requested.
> *
> * The &priv pointer matches the one the driver passed to
> - * &drm_gpuva_sm_map or &drm_gpuva_sm_unmap, respectively.
> + * &drm_gpuvm_sm_map or &drm_gpuvm_sm_unmap, respectively.
> *
> - * Can be NULL if neither &drm_gpuva_sm_map nor &drm_gpuva_sm_unmap is
> + * Can be NULL if neither &drm_gpuvm_sm_map nor &drm_gpuvm_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
> + * @sm_step_unmap: called from &drm_gpuvm_sm_map and
> + * &drm_gpuvm_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.
> + * &drm_gpuvm_sm_map or &drm_gpuvm_sm_unmap, respectively.
> *
> - * Can be NULL if neither &drm_gpuva_sm_map nor &drm_gpuva_sm_unmap is
> + * Can be NULL if neither &drm_gpuvm_sm_map nor &drm_gpuvm_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,
> +int drm_gpuvm_sm_map(struct drm_gpuvm *gpuvm, 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,
> +int drm_gpuvm_sm_unmap(struct drm_gpuvm *gpuvm, void *priv,
> u64 addr, u64 range);
>
> -void drm_gpuva_map(struct drm_gpuva_manager *mgr,
> +void drm_gpuva_map(struct drm_gpuvm *gpuvm,
> struct drm_gpuva *va,
> struct drm_gpuva_op_map *op);
>
> @@ -703,4 +702,4 @@ void drm_gpuva_remap(struct drm_gpuva *prev,
>
> void drm_gpuva_unmap(struct drm_gpuva_op_unmap *op);
>
> -#endif /* __DRM_GPUVA_MGR_H__ */
> +#endif /* __DRM_GPUVM_H__ */
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