pci_request_regions_exclusive9
Reserved pci i/o and memory resources
Usage
int pci_request_regions_exclusive(struct pci_dev * pdev, const char * res_name);
Arguments
pdev
PCI device whose resources are to be reserved
res_name
Name to be associated with resource.
Overview
Mark all PCI regions associated with PCI device pdev as being reserved by owner res_name. Do not access any address inside the PCI regions unless this call returns successfully.
pci_request_regions_exclusive will mark the region so that /dev/mem and the sysfs MMIO access will not be allowed.
Returns 0 on success, or EBUSY on error. A warning message is also printed on failure.
Releases
4 releases since Debian 6.0 (Squeeze); the text changed 3 times.