Ubuntu manuals

Provided by: linux-doc-2.6.15_2.6.15-23.39_all

NAME

       pci_bus_alloc_resource - allocate a resource from a parent bus

SYNOPSIS

       int pci_bus_alloc_resource  (struct pci_bus * bus,
                                     struct resource * res,
                                     unsigned long size, unsigned long align,
                                     unsigned long min,
                                     unsigned int type_mask,
                                     void (*alignf) <funcparams>void *, struct resource *, unsigned long, unsigned long</funcparams>,
                                     void * alignf_data);

ARGUMENTS

       bus    PCI bus

       res    resource to allocate

       size   size of resource to allocate

       align  alignment of resource to allocate

       min    minimum /proc/iomem address to allocate

       type_mask
              IORESOURCE_* type flags

       alignf resource alignment function

       alignf_data
              data argument for resource alignment function

DESCRIPTION

       Given  the  PCI  bus  a  device  resides on, the size, minimum address,
       alignment and type, try to find an acceptable resource allocation for a
       specific device resource.