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 int  type_mask,
 void (* alignf(void *, 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.