NAME    [Toc]    [Back]

     bus_set_resource -- associate a definite resource with a given resource
     ID

SYNOPSIS    [Toc]    [Back]

     #include <sys/param.h>
     #include <sys/bus.h>

     #include <machine/bus.h>
     #include <sys/rman.h>
     #include <machine/resource.h>

     int
     bus_set_resource(device_t dev, int type, int rid, u_long start,
	 u_long count);

DESCRIPTION    [Toc]    [Back]

     The bus_set_resource() function sets the start address of the resource
     type, rid pair to be count long.  Typically, client drivers do not use
     this interface.  Bus drivers, however, often use it to set up the
     resources a client driver uses.

     The arguments are as follows:

     dev     The device to set the resource on.

     type    The type of resource you want to allocate.  It is one of:

	     SYS_RES_IRQ     for IRQs
	     SYS_RES_DRQ     for ISA DMA lines
	     SYS_RES_IOPORT  for I/O ports
	     SYS_RES_MEMORY  for I/O memory

     rid     A pointer to a bus specific handle that identifies the resource
	     being allocated.

     start   The start address of this resource.

     count   The length of the resource.

RETURN VALUES    [Toc]    [Back]

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

SEE ALSO    [Toc]    [Back]

     bus_alloc_resource(9), bus_get_resource(9), device(9), driver(9)

AUTHORS    [Toc]    [Back]

     This man page was written by Warner Losh <imp@FreeBSD.org>.


FreeBSD 5.2.1			March 29, 2003			 FreeBSD 5.2.1