pci_bus_alloc_resource (9) - Linux Manuals

pci_bus_alloc_resource: allocate a resource from a parent bus

Command to display pci_bus_alloc_resource manual in Linux: $ man 9 pci_bus_alloc_resource

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.