Copyright (c) 2003 M. Warner Losh All rights reserved. This program is free software. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer...
NAMEbus_set_resource - associate a definite resource with a given resource ID
SYNOPSISIn sys/param.h In sys/bus.h
In machine/bus.h In sys/rman.h In machine/resource.h Ft int Fo bus_set_resource Fa device_t dev int type int rid rman_res_t start rman_res_t count Fc
DESCRIPTIONThe Fn bus_set_resource function sets the start address of the resource Fa type , rid pair to be Fa 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:
- Fa dev
- The device to set the resource on.
- Fa type
The type of resource you want to allocate.
It is one of:
- for IRQs
- for ISA DMA lines
- for I/O ports
- for I/O memory
- Fa rid
- A bus-specific handle that identifies the resource being allocated.
- Fa start
- The start address of this resource.
- Fa count
- The length of the resource. For example, the size of the memory in bytes.