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STRUCT RIO_MPORT_ATT(9) Internals STRUCT RIO_MPORT_ATT(9)

NAME

struct_rio_mport_attr - RIO mport device attributes

SYNOPSIS

struct rio_mport_attr {
  int flags;
  int link_speed;
  int link_width;
  int dma_max_sge;
  int dma_max_size;
  int dma_align;
};

MEMBERS

int flags
mport device capability flags

int link_speed

SRIO link speed value (as defined by RapidIO specification)

int link_width

SRIO link width value (as defined by RapidIO specification)

int dma_max_sge

number of SG list entries that can be handled by DMA channel(s)

int dma_max_size

max number of bytes in single DMA transfer (SG entry)

int dma_align

alignment shift for DMA operations (as for other DMA operations)

AUTHOR

Matt Porter <mporter@kernel.crashing.org>, <mporter@mvista.com>
Author.

COPYRIGHT

September 2017 Kernel Hackers Manual 4.12