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.