Release 4.14 arch/ia64/include/asm/dma-mapping.h
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_IA64_DMA_MAPPING_H
#define _ASM_IA64_DMA_MAPPING_H
/*
* Copyright (C) 2003-2004 Hewlett-Packard Co
* David Mosberger-Tang <davidm@hpl.hp.com>
*/
#include <asm/machvec.h>
#include <linux/scatterlist.h>
#include <asm/swiotlb.h>
#include <linux/dma-debug.h>
#define ARCH_HAS_DMA_GET_REQUIRED_MASK
extern const struct dma_map_ops *dma_ops;
extern struct ia64_machine_vector ia64_mv;
extern void set_iommu_machvec(void);
extern void machvec_dma_sync_single(struct device *, dma_addr_t, size_t,
enum dma_data_direction);
extern void machvec_dma_sync_sg(struct device *, struct scatterlist *, int,
enum dma_data_direction);
static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
{
return platform_dma_get_ops(NULL);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Bart Van Assche | 19 | 90.48% | 1 | 50.00% |
| FUJITA Tomonori | 2 | 9.52% | 1 | 50.00% |
| Total | 21 | 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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| FUJITA Tomonori | 38 | 95.00% | 1 | 50.00% |
| Jan Beulich | 2 | 5.00% | 1 | 50.00% |
| Total | 40 | 100.00% | 2 | 100.00% |
static inline dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr)
{
return paddr;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| FUJITA Tomonori | 18 | 100.00% | 1 | 100.00% |
| Total | 18 | 100.00% | 1 | 100.00% |
static inline phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr)
{
return daddr;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| FUJITA Tomonori | 18 | 100.00% | 1 | 100.00% |
| Total | 18 | 100.00% | 1 | 100.00% |
static inline void
dma_cache_sync (struct device *dev, void *vaddr, size_t size,
enum dma_data_direction dir)
{
/*
* IA-64 is cache-coherent, so this is mostly a no-op. However, we do need to
* ensure that dma_cache_sync() enforces order, hence the mb().
*/
mb();
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| David Mosberger-Tang | 22 | 81.48% | 1 | 50.00% |
| Ralf Bächle | 5 | 18.52% | 1 | 50.00% |
| Total | 27 | 100.00% | 2 | 100.00% |
#endif /* _ASM_IA64_DMA_MAPPING_H */
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| FUJITA Tomonori | 114 | 56.16% | 6 | 33.33% |
| David Mosberger-Tang | 35 | 17.24% | 3 | 16.67% |
| Fenghua Yu | 20 | 9.85% | 1 | 5.56% |
| Bart Van Assche | 20 | 9.85% | 2 | 11.11% |
| Ralf Bächle | 5 | 2.46% | 1 | 5.56% |
| John Keller | 3 | 1.48% | 1 | 5.56% |
| Tony Luck | 2 | 0.99% | 1 | 5.56% |
| Jan Beulich | 2 | 0.99% | 1 | 5.56% |
| Greg Kroah-Hartman | 1 | 0.49% | 1 | 5.56% |
| Jens Axboe | 1 | 0.49% | 1 | 5.56% |
| Total | 203 | 100.00% | 18 | 100.00% |
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