~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/arch/arm/include/asm/dma-iommu.h

Version: ~ [ linux-5.18 ] ~ [ linux-5.17.9 ] ~ [ linux-5.16.20 ] ~ [ linux-5.15.41 ] ~ [ linux-5.14.21 ] ~ [ linux-5.13.19 ] ~ [ linux-5.12.19 ] ~ [ linux-5.11.22 ] ~ [ linux-5.10.117 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.195 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.244 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.280 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.315 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.302 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.9 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  1 /* SPDX-License-Identifier: GPL-2.0 */
  2 #ifndef ASMARM_DMA_IOMMU_H
  3 #define ASMARM_DMA_IOMMU_H
  4 
  5 #ifdef __KERNEL__
  6 
  7 #include <linux/mm_types.h>
  8 #include <linux/scatterlist.h>
  9 #include <linux/dma-debug.h>
 10 #include <linux/kref.h>
 11 
 12 struct dma_iommu_mapping {
 13         /* iommu specific data */
 14         struct iommu_domain     *domain;
 15 
 16         unsigned long           **bitmaps;      /* array of bitmaps */
 17         unsigned int            nr_bitmaps;     /* nr of elements in array */
 18         unsigned int            extensions;
 19         size_t                  bitmap_size;    /* size of a single bitmap */
 20         size_t                  bits;           /* per bitmap */
 21         dma_addr_t              base;
 22 
 23         spinlock_t              lock;
 24         struct kref             kref;
 25 };
 26 
 27 struct dma_iommu_mapping *
 28 arm_iommu_create_mapping(struct bus_type *bus, dma_addr_t base, u64 size);
 29 
 30 void arm_iommu_release_mapping(struct dma_iommu_mapping *mapping);
 31 
 32 int arm_iommu_attach_device(struct device *dev,
 33                                         struct dma_iommu_mapping *mapping);
 34 void arm_iommu_detach_device(struct device *dev);
 35 
 36 int arm_dma_supported(struct device *dev, u64 mask);
 37 
 38 #endif /* __KERNEL__ */
 39 #endif
 40 

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | Wiki (Japanese) | Wiki (English) | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

osdn.jp