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pci_request_region
Langue: en
Version: May 2009 (fedora - 06/07/09)
Section: 9 (Appels noyau Linux)
NAME
pci_request_region - Reserve PCI I/O and memory resourceSYNOPSIS
- 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 BAR 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.
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