pci-dma.c File Reference

#include <linux/dma-mapping.h>
#include <linux/dma-debug.h>
#include <linux/dmar.h>
#include <linux/export.h>
#include <linux/bootmem.h>
#include <linux/gfp.h>
#include <linux/pci.h>
#include <linux/kmemleak.h>
#include <asm/proto.h>
#include <asm/dma.h>
#include <asm/iommu.h>
#include <asm/gart.h>
#include <asm/calgary.h>
#include <asm/x86_init.h>
#include <asm/iommu_table.h>

Go to the source code of this file.

Macros
#define	PREALLOC_DMA_DEBUG_ENTRIES   32768

Functions
	EXPORT_SYMBOL (dma_ops)
	EXPORT_SYMBOL (x86_dma_fallback_dev)
int	dma_set_mask (struct device *dev, u64 mask)
	EXPORT_SYMBOL (dma_set_mask)
void __init	pci_iommu_alloc (void)
void *	dma_generic_alloc_coherent (struct device *dev, size_t size, dma_addr_t *dma_addr, gfp_t flag, struct dma_attrs *attrs)
void	dma_generic_free_coherent (struct device *dev, size_t size, void *vaddr, dma_addr_t dma_addr, struct dma_attrs *attrs)
	early_param ("iommu", iommu_setup)
int	dma_supported (struct device *dev, u64 mask)
	EXPORT_SYMBOL (dma_supported)
	rootfs_initcall (pci_iommu_init)

Variables
struct dma_map_ops *	dma_ops = &nommu_dma_ops
struct iommu_table_entry	__iommu_table []
struct iommu_table_entry	__iommu_table_end []
struct device	x86_dma_fallback_dev

Macro Definition Documentation

#define PREALLOC_DMA_DEBUG_ENTRIES   32768

Definition at line 59 of file pci-dma.c.

Function Documentation

void* dma_generic_alloc_coherent	(	struct device *	dev,
		size_t	size,
		dma_addr_t *	dma_addr,
		gfp_t	flag,
		struct dma_attrs *	attrs
	)

Definition at line 89 of file pci-dma.c.

void dma_generic_free_coherent	(	struct device *	dev,
		size_t	size,
		void *	vaddr,
		dma_addr_t	dma_addr,
		struct dma_attrs *	attrs
	)

Definition at line 126 of file pci-dma.c.

int dma_set_mask	(	struct device *	dev,
		u64	mask
	)

Definition at line 61 of file pci-dma.c.

int dma_supported	(	struct device *	dev,
		u64	mask
	)

Definition at line 204 of file pci-dma.c.

early_param	(	"iommu"	,
		iommu_setup
	)

EXPORT_SYMBOL

(

dma_ops

)

EXPORT_SYMBOL

(

x86_dma_fallback_dev

)

EXPORT_SYMBOL

(

dma_set_mask

)

EXPORT_SYMBOL

(

dma_supported

)

void __init pci_iommu_alloc

(

void

)

Definition at line 72 of file pci-dma.c.

rootfs_initcall

(

pci_iommu_init

)

Variable Documentation

struct iommu_table_entry __iommu_table[]

struct iommu_table_entry __iommu_table_end[]

struct dma_map_ops* dma_ops = &nommu_dma_ops

Definition at line 20 of file pci-dma.c.

struct device x86_dma_fallback_dev

Initial value:

= {
    .init_name = "fallback device",
    .coherent_dma_mask = ISA_DMA_BIT_MASK,
    .dma_mask = &x86_dma_fallback_dev.coherent_dma_mask,
}

Definition at line 51 of file pci-dma.c.