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48 lines
1.4 KiB
C
48 lines
1.4 KiB
C
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/*
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* Copyright (C) 2013 Red Hat
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* Author: Rob Clark <robdclark@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published by
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* the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __MSM_MMU_H__
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#define __MSM_MMU_H__
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#include <linux/iommu.h>
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struct msm_mmu_funcs {
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int (*attach)(struct msm_mmu *mmu, const char **names, int cnt);
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int (*map)(struct msm_mmu *mmu, uint32_t iova, struct sg_table *sgt,
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unsigned len, int prot);
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int (*unmap)(struct msm_mmu *mmu, uint32_t iova, struct sg_table *sgt,
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unsigned len);
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void (*destroy)(struct msm_mmu *mmu);
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};
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struct msm_mmu {
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const struct msm_mmu_funcs *funcs;
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struct drm_device *dev;
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};
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static inline void msm_mmu_init(struct msm_mmu *mmu, struct drm_device *dev,
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const struct msm_mmu_funcs *funcs)
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{
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mmu->dev = dev;
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mmu->funcs = funcs;
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}
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struct msm_mmu *msm_iommu_new(struct drm_device *dev, struct iommu_domain *domain);
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struct msm_mmu *msm_gpummu_new(struct drm_device *dev, struct msm_gpu *gpu);
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#endif /* __MSM_MMU_H__ */
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