1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (C) 2013 Red Hat
10 #include <linux/iommu.h>
12 struct msm_mmu_funcs {
13 void (*detach)(struct msm_mmu *mmu);
14 int (*map)(struct msm_mmu *mmu, uint64_t iova, struct sg_table *sgt,
15 size_t len, int prot);
16 int (*unmap)(struct msm_mmu *mmu, uint64_t iova, size_t len);
17 void (*destroy)(struct msm_mmu *mmu);
21 const struct msm_mmu_funcs *funcs;
23 int (*handler)(void *arg, unsigned long iova, int flags);
27 static inline void msm_mmu_init(struct msm_mmu *mmu, struct device *dev,
28 const struct msm_mmu_funcs *funcs)
34 struct msm_mmu *msm_iommu_new(struct device *dev, struct iommu_domain *domain);
35 struct msm_mmu *msm_gpummu_new(struct device *dev, struct msm_gpu *gpu);
37 static inline void msm_mmu_set_fault_handler(struct msm_mmu *mmu, void *arg,
38 int (*handler)(void *arg, unsigned long iova, int flags))
41 mmu->handler = handler;
44 void msm_gpummu_params(struct msm_mmu *mmu, dma_addr_t *pt_base,
45 dma_addr_t *tran_error);
47 #endif /* __MSM_MMU_H__ */