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STRUCT UIO_MEM(9) Device drivers infrastructure STRUCT UIO_MEM(9)

NAME

struct_uio_mem - description of a UIO memory region

SYNOPSIS

struct uio_mem {


  const char * name;


  phys_addr_t addr;


  resource_size_t size;


  int memtype;


  void __iomem * internal_addr;


  struct uio_map * map;
};

MEMBERS

name

name of the memory region for identification

addr

address of the device's memory (phys_addr is used since addr can be logical, virtual, or physical & phys_addr_t should always be large enough to handle any of the address types)

size

size of IO

memtype

type of memory addr points to

internal_addr

ioremap-ped version of addr, for driver internal use

map

for use by the UIO core only.

COPYRIGHT

January 2017 Kernel Hackers Manual 4.8.