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,
 resource_size_t size,
 resource_size_t align,
 resource_size_t min,
 unsigned long type_mask,
 resource_size_t (*alignf) (void *, const struct resource *, resource_size_t, resource_size_t),
 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.