Contributors: 22
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Christoph Hellwig |
98 |
21.40% |
11 |
26.83% |
| Leon Romanovsky |
71 |
15.50% |
3 |
7.32% |
| David Brownell |
60 |
13.10% |
1 |
2.44% |
| FUJITA Tomonori |
60 |
13.10% |
1 |
2.44% |
| Robin Murphy |
52 |
11.35% |
5 |
12.20% |
| Russell King |
18 |
3.93% |
1 |
2.44% |
| Marek Szyprowski |
15 |
3.28% |
4 |
9.76% |
| Krzysztof Kozlowski |
12 |
2.62% |
1 |
2.44% |
| Alex Williamson |
12 |
2.62% |
1 |
2.44% |
| Saravana Kannan |
10 |
2.18% |
1 |
2.44% |
| Yoshihiro Shimoda |
9 |
1.97% |
1 |
2.44% |
| Nicolin Chen |
8 |
1.75% |
1 |
2.44% |
| Jia He |
7 |
1.53% |
1 |
2.44% |
| James Bottomley |
7 |
1.53% |
1 |
2.44% |
| John Garry |
5 |
1.09% |
1 |
2.44% |
| Bart Van Assche |
3 |
0.66% |
1 |
2.44% |
| Doug Anderson |
3 |
0.66% |
1 |
2.44% |
| Paul Mackerras |
2 |
0.44% |
1 |
2.44% |
| Herve Codina |
2 |
0.44% |
1 |
2.44% |
| Mark Nelson |
2 |
0.44% |
1 |
2.44% |
| Joerg Roedel |
1 |
0.22% |
1 |
2.44% |
| Greg Kroah-Hartman |
1 |
0.22% |
1 |
2.44% |
| Total |
458 |
|
41 |
|
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2024, NVIDIA CORPORATION & AFFILIATES. All rights reserved
*
* DMA operations that map physical memory through IOMMU.
*/
#ifndef _LINUX_IOMMU_DMA_H
#define _LINUX_IOMMU_DMA_H
#include <linux/device.h>
#include <linux/dma-direction.h>
#ifdef CONFIG_IOMMU_DMA
static inline bool use_dma_iommu(struct device *dev)
{
return dev_dma_iommu(dev);
}
#else
static inline bool use_dma_iommu(struct device *dev)
{
return false;
}
#endif /* CONFIG_IOMMU_DMA */
dma_addr_t iommu_dma_map_phys(struct device *dev, phys_addr_t phys, size_t size,
enum dma_data_direction dir, unsigned long attrs);
void iommu_dma_unmap_phys(struct device *dev, dma_addr_t dma_handle,
size_t size, enum dma_data_direction dir, unsigned long attrs);
int iommu_dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
enum dma_data_direction dir, unsigned long attrs);
void iommu_dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nents,
enum dma_data_direction dir, unsigned long attrs);
void *iommu_dma_alloc(struct device *dev, size_t size, dma_addr_t *handle,
gfp_t gfp, unsigned long attrs);
int iommu_dma_mmap(struct device *dev, struct vm_area_struct *vma,
void *cpu_addr, dma_addr_t dma_addr, size_t size,
unsigned long attrs);
int iommu_dma_get_sgtable(struct device *dev, struct sg_table *sgt,
void *cpu_addr, dma_addr_t dma_addr, size_t size,
unsigned long attrs);
unsigned long iommu_dma_get_merge_boundary(struct device *dev);
size_t iommu_dma_opt_mapping_size(void);
size_t iommu_dma_max_mapping_size(struct device *dev);
void iommu_dma_free(struct device *dev, size_t size, void *cpu_addr,
dma_addr_t handle, unsigned long attrs);
struct sg_table *iommu_dma_alloc_noncontiguous(struct device *dev, size_t size,
enum dma_data_direction dir, gfp_t gfp, unsigned long attrs);
void iommu_dma_free_noncontiguous(struct device *dev, size_t size,
struct sg_table *sgt, enum dma_data_direction dir);
void *iommu_dma_vmap_noncontiguous(struct device *dev, size_t size,
struct sg_table *sgt);
#define iommu_dma_vunmap_noncontiguous(dev, vaddr) \
vunmap(vaddr);
int iommu_dma_mmap_noncontiguous(struct device *dev, struct vm_area_struct *vma,
size_t size, struct sg_table *sgt);
void iommu_dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle,
size_t size, enum dma_data_direction dir);
void iommu_dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle,
size_t size, enum dma_data_direction dir);
void iommu_dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sgl,
int nelems, enum dma_data_direction dir);
void iommu_dma_sync_sg_for_device(struct device *dev, struct scatterlist *sgl,
int nelems, enum dma_data_direction dir);
#endif /* _LINUX_IOMMU_DMA_H */