Release 4.16 include/linux/pci-dma-compat.h
/* SPDX-License-Identifier: GPL-2.0 */
/* include this file if the platform implements the dma_ DMA Mapping API
* and wants to provide the pci_ DMA Mapping API in terms of it */
#ifndef _ASM_GENERIC_PCI_DMA_COMPAT_H
#define _ASM_GENERIC_PCI_DMA_COMPAT_H
#include <linux/dma-mapping.h>
/* This defines the direction arg to the DMA mapping routines. */
#define PCI_DMA_BIDIRECTIONAL 0
#define PCI_DMA_TODEVICE 1
#define PCI_DMA_FROMDEVICE 2
#define PCI_DMA_NONE 3
static inline void *
pci_alloc_consistent(struct pci_dev *hwdev, size_t size,
dma_addr_t *dma_handle)
{
return dma_alloc_coherent(&hwdev->dev, size, dma_handle, GFP_ATOMIC);
}
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James Bottomley | 35 | 100.00% | 2 | 100.00% |
Total | 35 | 100.00% | 2 | 100.00% |
static inline void *
pci_zalloc_consistent(struct pci_dev *hwdev, size_t size,
dma_addr_t *dma_handle)
{
return dma_zalloc_coherent(&hwdev->dev, size, dma_handle, GFP_ATOMIC);
}
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Joe Perches | 32 | 91.43% | 1 | 50.00% |
James Bottomley | 3 | 8.57% | 1 | 50.00% |
Total | 35 | 100.00% | 2 | 100.00% |
static inline void
pci_free_consistent(struct pci_dev *hwdev, size_t size,
void *vaddr, dma_addr_t dma_handle)
{
dma_free_coherent(&hwdev->dev, size, vaddr, dma_handle);
}
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James Bottomley | 33 | 91.67% | 1 | 50.00% |
Joe Perches | 3 | 8.33% | 1 | 50.00% |
Total | 36 | 100.00% | 2 | 100.00% |
static inline dma_addr_t
pci_map_single(struct pci_dev *hwdev, void *ptr, size_t size, int direction)
{
return dma_map_single(&hwdev->dev, ptr, size, (enum dma_data_direction)direction);
}
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James Bottomley | 41 | 100.00% | 1 | 100.00% |
Total | 41 | 100.00% | 1 | 100.00% |
static inline void
pci_unmap_single(struct pci_dev *hwdev, dma_addr_t dma_addr,
size_t size, int direction)
{
dma_unmap_single(&hwdev->dev, dma_addr, size, (enum dma_data_direction)direction);
}
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James Bottomley | 39 | 100.00% | 1 | 100.00% |
Total | 39 | 100.00% | 1 | 100.00% |
static inline dma_addr_t
pci_map_page(struct pci_dev *hwdev, struct page *page,
unsigned long offset, size_t size, int direction)
{
return dma_map_page(&hwdev->dev, page, offset, size, (enum dma_data_direction)direction);
}
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James Bottomley | 48 | 100.00% | 1 | 100.00% |
Total | 48 | 100.00% | 1 | 100.00% |
static inline void
pci_unmap_page(struct pci_dev *hwdev, dma_addr_t dma_address,
size_t size, int direction)
{
dma_unmap_page(&hwdev->dev, dma_address, size, (enum dma_data_direction)direction);
}
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James Bottomley | 39 | 100.00% | 1 | 100.00% |
Total | 39 | 100.00% | 1 | 100.00% |
static inline int
pci_map_sg(struct pci_dev *hwdev, struct scatterlist *sg,
int nents, int direction)
{
return dma_map_sg(&hwdev->dev, sg, nents, (enum dma_data_direction)direction);
}
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James Bottomley | 42 | 100.00% | 1 | 100.00% |
Total | 42 | 100.00% | 1 | 100.00% |
static inline void
pci_unmap_sg(struct pci_dev *hwdev, struct scatterlist *sg,
int nents, int direction)
{
dma_unmap_sg(&hwdev->dev, sg, nents, (enum dma_data_direction)direction);
}
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James Bottomley | 41 | 100.00% | 1 | 100.00% |
Total | 41 | 100.00% | 1 | 100.00% |
static inline void
pci_dma_sync_single_for_cpu(struct pci_dev *hwdev, dma_addr_t dma_handle,
size_t size, int direction)
{
dma_sync_single_for_cpu(&hwdev->dev, dma_handle, size, (enum dma_data_direction)direction);
}
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James Bottomley | 37 | 94.87% | 1 | 50.00% |
Andrew Morton | 2 | 5.13% | 1 | 50.00% |
Total | 39 | 100.00% | 2 | 100.00% |
static inline void
pci_dma_sync_single_for_device(struct pci_dev *hwdev, dma_addr_t dma_handle,
size_t size, int direction)
{
dma_sync_single_for_device(&hwdev->dev, dma_handle, size, (enum dma_data_direction)direction);
}
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Andrew Morton | 36 | 92.31% | 1 | 50.00% |
James Bottomley | 3 | 7.69% | 1 | 50.00% |
Total | 39 | 100.00% | 2 | 100.00% |
static inline void
pci_dma_sync_sg_for_cpu(struct pci_dev *hwdev, struct scatterlist *sg,
int nelems, int direction)
{
dma_sync_sg_for_cpu(&hwdev->dev, sg, nelems, (enum dma_data_direction)direction);
}
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Andrew Morton | 41 | 100.00% | 1 | 100.00% |
Total | 41 | 100.00% | 1 | 100.00% |
static inline void
pci_dma_sync_sg_for_device(struct pci_dev *hwdev, struct scatterlist *sg,
int nelems, int direction)
{
dma_sync_sg_for_device(&hwdev->dev, sg, nelems, (enum dma_data_direction)direction);
}
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James Bottomley | 36 | 87.80% | 1 | 50.00% |
Andrew Morton | 5 | 12.20% | 1 | 50.00% |
Total | 41 | 100.00% | 2 | 100.00% |
static inline int
pci_dma_mapping_error(struct pci_dev *pdev, dma_addr_t dma_addr)
{
return dma_mapping_error(&pdev->dev, dma_addr);
}
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FUJITA Tomonori | 10 | 38.46% | 1 | 33.33% |
Total | 26 | 100.00% | 3 | 100.00% |
#ifdef CONFIG_PCI
static inline int pci_set_dma_mask(struct pci_dev *dev, u64 mask)
{
return dma_set_mask(&dev->dev, mask);
}
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FUJITA Tomonori | 26 | 100.00% | 1 | 100.00% |
Total | 26 | 100.00% | 1 | 100.00% |
static inline int pci_set_consistent_dma_mask(struct pci_dev *dev, u64 mask)
{
return dma_set_coherent_mask(&dev->dev, mask);
}
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Total | 26 | 100.00% | 1 | 100.00% |
static inline int pci_set_dma_max_seg_size(struct pci_dev *dev,
unsigned int size)
{
return dma_set_max_seg_size(&dev->dev, size);
}
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Björn Helgaas | 27 | 100.00% | 1 | 100.00% |
Total | 27 | 100.00% | 1 | 100.00% |
static inline int pci_set_dma_seg_boundary(struct pci_dev *dev,
unsigned long mask)
{
return dma_set_seg_boundary(&dev->dev, mask);
}
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#else
static inline int pci_set_dma_mask(struct pci_dev *dev, u64 mask)
{ return -EIO; }
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static inline int pci_set_consistent_dma_mask(struct pci_dev *dev, u64 mask)
{ return -EIO; }
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Björn Helgaas | 19 | 100.00% | 1 | 100.00% |
Total | 19 | 100.00% | 1 | 100.00% |
static inline int pci_set_dma_max_seg_size(struct pci_dev *dev,
unsigned int size)
{ return -EIO; }
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Björn Helgaas | 20 | 100.00% | 1 | 100.00% |
Total | 20 | 100.00% | 1 | 100.00% |
static inline int pci_set_dma_seg_boundary(struct pci_dev *dev,
unsigned long mask)
{ return -EIO; }
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#endif
#endif
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Andrew Morton | 100 | 13.11% | 3 | 30.00% |
FUJITA Tomonori | 67 | 8.78% | 2 | 20.00% |
Joe Perches | 35 | 4.59% | 1 | 10.00% |
Greg Kroah-Hartman | 1 | 0.13% | 1 | 10.00% |
Total | 763 | 100.00% | 10 | 100.00% |
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