/* * omap iommu: simple virtual address space management * * Copyright (C) 2008-2009 Nokia Corporation * * Written by Hiroshi DOYU * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #ifndef _OMAP_IOMMU_H_ #define _OMAP_IOMMU_H_ #include struct iommu_domain; #ifdef CONFIG_OMAP_IOMMU extern void omap_iommu_save_ctx(struct device *dev); extern void omap_iommu_restore_ctx(struct device *dev); int omap_iommu_domain_deactivate(struct iommu_domain *domain); int omap_iommu_domain_activate(struct iommu_domain *domain); #else static inline void omap_iommu_save_ctx(struct device *dev) {} static inline void omap_iommu_restore_ctx(struct device *dev) {} static inline int omap_iommu_domain_deactivate(struct iommu_domain *domain) { return -ENOTSUPP; } static inline int omap_iommu_domain_activate(struct iommu_domain *domain) { return -ENOTSUPP; } #endif #endif