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ddi_dma_burstsizes(9f) [bsd man page]

ddi_dma_burstsizes(9F)					   Kernel Functions for Drivers 				    ddi_dma_burstsizes(9F)

NAME
ddi_dma_burstsizes - find out the allowed burst sizes for a DMA mapping SYNOPSIS
#include <sys/conf.h> #include <sys/ddi.h> #include <sys/sunddi.h> int ddi_dma_burstsizes(ddi_dma_handle_t handle); INTERFACE LEVEL
Solaris DDI specific (Solaris DDI). PARAMETERS
handle A DMA handle that was filled in by a successful call to ddi_dma_setup(9F). DESCRIPTION
ddi_dma_burstsizes() returns the allowed burst sizes for a DMA mapping. This value is derived from the dlim_burstsizes member of the ddi_dma_lim_sparc(9S) structure, but it shows the allowable burstsizes after imposing on it the limitations of other device layers in addi- tion to device's own limitations. RETURN VALUES
ddi_dma_burstsizes() returns a binary encoded value of the allowable DMA burst sizes. See ddi_dma_lim_sparc(9S) for a discussion of DMA burst sizes. CONTEXT
This function can be called from user or interrupt context. SEE ALSO
ddi_dma_devalign(9F), ddi_dma_setup(9F), ddi_dma_lim_sparc(9S), ddi_dma_req(9S) Writing Device Drivers SunOS 5.10 1 Feb 1994 ddi_dma_burstsizes(9F)

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ddi_dma_burstsizes(9F)					   Kernel Functions for Drivers 				    ddi_dma_burstsizes(9F)

NAME
ddi_dma_burstsizes - find out the allowed burst sizes for a DMA mapping SYNOPSIS
#include <sys/conf.h> #include <sys/ddi.h> #include <sys/sunddi.h> int ddi_dma_burstsizes(ddi_dma_handle_t handle); INTERFACE LEVEL
Solaris DDI specific (Solaris DDI). PARAMETERS
handle A DMA handle that was filled in by a successful call to ddi_dma_setup(9F). DESCRIPTION
ddi_dma_burstsizes() returns the allowed burst sizes for a DMA mapping. This value is derived from the dlim_burstsizes member of the ddi_dma_lim_sparc(9S) structure, but it shows the allowable burstsizes after imposing on it the limitations of other device layers in addi- tion to device's own limitations. RETURN VALUES
ddi_dma_burstsizes() returns a binary encoded value of the allowable DMA burst sizes. See ddi_dma_lim_sparc(9S) for a discussion of DMA burst sizes. CONTEXT
This function can be called from user or interrupt context. SEE ALSO
ddi_dma_devalign(9F), ddi_dma_setup(9F), ddi_dma_lim_sparc(9S), ddi_dma_req(9S) Writing Device Drivers SunOS 5.10 1 Feb 1994 ddi_dma_burstsizes(9F)

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