pci_dma.c File Reference

#include <linux/gfp.h>
#include <linux/module.h>
#include <linux/dma-mapping.h>
#include <asm/dma.h>
#include <asm/sn/intr.h>
#include <asm/sn/pcibus_provider_defs.h>
#include <asm/sn/pcidev.h>
#include <asm/sn/sn_sal.h>

Go to the source code of this file.

Macros
#define	SG_ENT_VIRT_ADDRESS(sg)   (sg_virt((sg)))
#define	SG_ENT_PHYS_ADDRESS(SG)   virt_to_phys(SG_ENT_VIRT_ADDRESS(SG))

Functions
int	sn_dma_set_mask (struct device *dev, u64 dma_mask)
	EXPORT_SYMBOL (sn_dma_set_mask)
u64	sn_dma_get_required_mask (struct device *dev)
	EXPORT_SYMBOL_GPL (sn_dma_get_required_mask)
char *	sn_pci_get_legacy_mem (struct pci_bus *bus)
int	sn_pci_legacy_read (struct pci_bus *bus, u16 port, u32 *val, u8 size)
int	sn_pci_legacy_write (struct pci_bus *bus, u16 port, u32 val, u8 size)
void	sn_dma_init (void)

Macro Definition Documentation

#define SG_ENT_PHYS_ADDRESS

(

SG

)

virt_to_phys(SG_ENT_VIRT_ADDRESS(SG))

Definition at line 22 of file pci_dma.c.

#define SG_ENT_VIRT_ADDRESS

(

sg

)

(sg_virt((sg)))

Definition at line 21 of file pci_dma.c.

Function Documentation

EXPORT_SYMBOL

(

sn_dma_set_mask

)

EXPORT_SYMBOL_GPL

(

sn_dma_get_required_mask

)

u64 sn_dma_get_required_mask

(

struct device *

dev

)

Definition at line 353 of file pci_dma.c.

void sn_dma_init

(

void

)

Definition at line 484 of file pci_dma.c.

int sn_dma_set_mask	(	struct device *	dev,
		u64	dma_mask
	)

sn_dma_set_mask - set the DMA mask : device to set : new mask

Set 's DMA mask if the hw supports it.

Definition at line 51 of file pci_dma.c.

char* sn_pci_get_legacy_mem

(

struct pci_bus *

bus

)

Definition at line 359 of file pci_dma.c.

int sn_pci_legacy_read	(	struct pci_bus *	bus,
		u16	port,
		u32 *	val,
		u8	size
	)

Definition at line 367 of file pci_dma.c.

int sn_pci_legacy_write	(	struct pci_bus *	bus,
		u16	port,
		u32	val,
		u8	size
	)

Definition at line 412 of file pci_dma.c.