pci_request_region

Langue: en

Autres versions - même langue

Version: June 2009 (debian - 07/07/09)

Section: 9 (Appels noyau Linux)

Sommaire

NAME

pci_request_region - Reserved PCI I/O and memory resource

SYNOPSIS

int pci_request_region(struct pci_dev * pdev, int bar, const char * res_name);

ARGUMENTS

pdev

PCI device whose resources are to be reserved

bar

BAR to be reserved

res_name

Name to be associated with resource.

DESCRIPTION

Mark the PCI region associated with PCI device pdev BR bar as being reserved by owner res_name. Do not access any address inside the PCI regions unless this call returns successfully.

Returns 0 on success, or EBUSY on error. A warning message is also printed on failure.