09-12-2002
64bit Windows
Windows XP Pro is not 64 bit it is 32 bit, but...
Windows XP 64bit for Workstations is 64 bit (hence the name, lol)
But as far as I know it is still in evaluation form only. Hope that helps.
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LEARN ABOUT OPENSOLARIS
ddi_dma_numwin
ddi_dma_numwin(9F) Kernel Functions for Drivers ddi_dma_numwin(9F)
NAME
ddi_dma_numwin - retrieve number of DMA windows
SYNOPSIS
#include <sys/ddi.h>
#include <sys/sunddi.h>
int ddi_dma_numwin(ddi_dma_handle_t handle, uint_t *nwinp);
PARAMETERS
handle The DMA handle previously allocated by a call to ddi_dma_alloc_handle(9F).
nwinp Upon a successful return, nwinp will contain the number of DMA windows for this object.
INTERFACE LEVEL
Solaris DDI specific (Solaris DDI).
DESCRIPTION
ddi_dma_numwin() returns the number of DMA windows for a DMA object if partial resource allocation was permitted.
RETURN VALUES
ddi_dma_numwin() returns:
DDI_SUCCESS Successfully filled in the number of DMA windows.
DDI_FAILURE DMA windows are not activated.
CONTEXT
ddi_dma_numwin() can be called from user, kernel, or interrupt context.
SEE ALSO
ddi_dma_addr_bind_handle(9F), ddi_dma_alloc_handle(9F), ddi_dma_buf_bind_handle(9F), ddi_dma_unbind_handle(9F)
Writing Device Drivers
SunOS 5.11 29 Sep 1994 ddi_dma_numwin(9F)