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 u_long start u_long 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.
RETURN VALUESZero is returned on success, otherwise an error is returned.
AUTHORSThis manual page was written by An Warner Losh Aq [email protected] .