vme_dma_buffer

NAME

vme_dma_buffer_create - Allocates a DMA safe memory buffer and an associated handle.

int vme_dma_buffer_create ( bus_handle, vme_dma_handle_t * handle, size_t size, int flags, void * phys_addr )

bus_handle: Handle allocated by vme_init.
vme_dma_handle_t * handle: Pointer to the DMA buffer handle to allocate.
size_t size: Minimum size of the window, in bytes.
int flags: No flags are currently defined for this parameter; use 0.
void * phys_addr: Specifies the physical address of a DMA buffer. If NULL, space is automatically allocated.

Allocates a DMA safe memory buffer and an associated handle.

0 on success, or -1 on failure.