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Man Pages


Manual Reference Pages  -  BUS_GET_RESOURCE (9)

NAME

bus_get_resource - read a resource range/value with a given resource ID

CONTENTS

Synopsis
Description
Return Values
See Also
Authors

SYNOPSIS


.In sys/param.h
.In sys/bus.h
.In sys/rman.h int
.Fo bus_get_resource device_t dev int type int rid u_long *startp u_long *countp
.Fc

DESCRIPTION

The bus_get_resource function reads the range or value of the resource type, rid pair and stores it in the startp and countp arguments.

The arguments are as follows:
dev The device to read the resource from.
type The type of resource you want to read. It is one of:

SYS_RES_IRQ for IRQs
SYS_RES_DRQ for ISA DMA lines
SYS_RES_MEMORY
  for I/O memory
SYS_RES_IOPORT
  for I/O ports
rid A bus-specific handle that identifies the resource being read.
startp A pointer to the start address of this resource.
countp A pointer to the length of the resource. For example, the size of the memory in bytes.

RETURN VALUES

Zero is returned on success, otherwise an error is returned.

SEE ALSO

bus_set_resource(9), device(9), driver(9)

AUTHORS

This manual page was written by
.An Sascha Wildner .
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