Release 4.14 arch/tile/include/asm/dma-mapping.h
/*
* Copyright 2010 Tilera Corporation. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, version 2.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
* NON INFRINGEMENT. See the GNU General Public License for
* more details.
*/
#ifndef _ASM_TILE_DMA_MAPPING_H
#define _ASM_TILE_DMA_MAPPING_H
#include <linux/mm.h>
#include <linux/scatterlist.h>
#include <linux/cache.h>
#include <linux/io.h>
#ifdef __tilegx__
#define ARCH_HAS_DMA_GET_REQUIRED_MASK
#endif
extern const struct dma_map_ops *tile_dma_map_ops;
extern const struct dma_map_ops *gx_pci_dma_map_ops;
extern const struct dma_map_ops *gx_legacy_pci_dma_map_ops;
extern const struct dma_map_ops *gx_hybrid_pci_dma_map_ops;
static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
{
return tile_dma_map_ops;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Chris Metcalf | 14 | 77.78% | 2 | 50.00% |
| Bart Van Assche | 4 | 22.22% | 2 | 50.00% |
| Total | 18 | 100.00% | 4 | 100.00% |
static inline dma_addr_t get_dma_offset(struct device *dev)
{
return dev->archdata.dma_offset;
}
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| Person | Tokens | Prop | Commits | CommitProp |
| Chris Metcalf | 19 | 100.00% | 2 | 100.00% |
| Total | 19 | 100.00% | 2 | 100.00% |
static inline void set_dma_offset(struct device *dev, dma_addr_t off)
{
dev->archdata.dma_offset = off;
}
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| Chris Metcalf | 23 | 100.00% | 2 | 100.00% |
| Total | 23 | 100.00% | 2 | 100.00% |
static inline dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr)
{
return paddr;
}
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| Person | Tokens | Prop | Commits | CommitProp |
| Chris Metcalf | 18 | 100.00% | 2 | 100.00% |
| Total | 18 | 100.00% | 2 | 100.00% |
static inline phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr)
{
return daddr;
}
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| Person | Tokens | Prop | Commits | CommitProp |
| Chris Metcalf | 18 | 100.00% | 2 | 100.00% |
| Total | 18 | 100.00% | 2 | 100.00% |
static inline void dma_mark_clean(void *addr, size_t size) {}
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| Chris Metcalf | 13 | 100.00% | 2 | 100.00% |
| Total | 13 | 100.00% | 2 | 100.00% |
static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size)
{
if (!dev->dma_mask)
return 0;
return addr + size - 1 <= *dev->dma_mask;
}
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| Person | Tokens | Prop | Commits | CommitProp |
| Chris Metcalf | 39 | 97.50% | 2 | 66.67% |
| James Hogan | 1 | 2.50% | 1 | 33.33% |
| Total | 40 | 100.00% | 3 | 100.00% |
#define HAVE_ARCH_DMA_SET_MASK 1
int dma_set_mask(struct device *dev, u64 mask);
/*
* dma_alloc_attrs() always returns non-cacheable memory, so there's no need to
* do any flushing here.
*/
static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
enum dma_data_direction direction)
{
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Chris Metcalf | 22 | 100.00% | 1 | 100.00% |
| Total | 22 | 100.00% | 1 | 100.00% |
#endif /* _ASM_TILE_DMA_MAPPING_H */
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Chris Metcalf | 231 | 93.90% | 4 | 40.00% |
| Bart Van Assche | 8 | 3.25% | 2 | 20.00% |
| Christoph Hellwig | 6 | 2.44% | 3 | 30.00% |
| James Hogan | 1 | 0.41% | 1 | 10.00% |
| Total | 246 | 100.00% | 10 | 100.00% |
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