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pci_request_regions_exclusive
Langue: en
Version: May 2009 (fedora - 06/07/09)
Section: 9 (Appels noyau Linux)
NAME
pci_request_regions_exclusive - Reserved PCI I/O and memory resourcesSYNOPSIS
- 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.
DESCRIPTION
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.
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