linux/drivers/gpu/drm/msm/msm_mmu.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (C) 2013 Red Hat
 * Author: Rob Clark <[email protected]>
 */

#ifndef __MSM_MMU_H__
#define __MSM_MMU_H__

#include <linux/iommu.h>

struct msm_mmu_funcs { … };

enum msm_mmu_type { … };

struct msm_mmu { … };

static inline void msm_mmu_init(struct msm_mmu *mmu, struct device *dev,
		const struct msm_mmu_funcs *funcs, enum msm_mmu_type type)
{ … }

struct msm_mmu *msm_iommu_new(struct device *dev, unsigned long quirks);
struct msm_mmu *msm_iommu_gpu_new(struct device *dev, struct msm_gpu *gpu, unsigned long quirks);

static inline void msm_mmu_set_fault_handler(struct msm_mmu *mmu, void *arg,
		int (*handler)(void *arg, unsigned long iova, int flags, void *data))
{ … }

struct msm_mmu *msm_iommu_pagetable_create(struct msm_mmu *parent);

int msm_iommu_pagetable_params(struct msm_mmu *mmu, phys_addr_t *ttbr,
		int *asid);
struct iommu_domain_geometry *msm_iommu_get_geometry(struct msm_mmu *mmu);

#endif /* __MSM_MMU_H__ */