i2o_dma_alloc

Langue: en

Version: June 2009 (debian - 07/07/09)

Section: 9 (Appels noyau Linux)

Sommaire

NAME

i2o_dma_alloc - Allocate DMA memory

SYNOPSIS

int i2o_dma_alloc(struct device * dev, struct i2o_dma * addr, size_t len, gfp_t gfp_mask);

ARGUMENTS

dev

struct device pointer to the PCI device of the I2O controller

addr

i2o_dma struct which should get the DMA buffer

len

length of the new DMA memory

gfp_mask

GFP mask

DESCRIPTION

Allocate a coherent DMA memory and write the pointers into addr.

Returns 0 on success or -ENOMEM on failure.