linux/drivers/gpu/drm/msm/msm_gem_vma.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (C) 2016 Red Hat
 * Author: Rob Clark <[email protected]>
 */

#include "msm_drv.h"
#include "msm_fence.h"
#include "msm_gem.h"
#include "msm_mmu.h"

static void
msm_gem_address_space_destroy(struct kref *kref)
{ … }


void msm_gem_address_space_put(struct msm_gem_address_space *aspace)
{ … }

struct msm_gem_address_space *
msm_gem_address_space_get(struct msm_gem_address_space *aspace)
{ … }

/* Actually unmap memory for the vma */
void msm_gem_vma_purge(struct msm_gem_vma *vma)
{ … }

/* Map and pin vma: */
int
msm_gem_vma_map(struct msm_gem_vma *vma, int prot,
		struct sg_table *sgt, int size)
{ … }

/* Close an iova.  Warn if it is still in use */
void msm_gem_vma_close(struct msm_gem_vma *vma)
{ … }

struct msm_gem_vma *msm_gem_vma_new(struct msm_gem_address_space *aspace)
{ … }

/* Initialize a new vma and allocate an iova for it */
int msm_gem_vma_init(struct msm_gem_vma *vma, int size,
		u64 range_start, u64 range_end)
{ … }

struct msm_gem_address_space *
msm_gem_address_space_create(struct msm_mmu *mmu, const char *name,
		u64 va_start, u64 size)
{ … }