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| PCI_REQUEST_REGIONS(9) | Hardware Interfaces | PCI_REQUEST_REGIONS(9) |
NAME¶
pci_request_regions - Reserved PCI I/O and memory resources
SYNOPSIS¶
int pci_request_regions(struct pci_dev * pdev, const char * res_name);
ARGUMENTS¶
struct pci_dev * pdev
PCI device whose resources are to be reserved
const char * 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.
Returns 0 on success, or EBUSY on error. A warning message is also printed on failure.
COPYRIGHT¶
| June 2017 | Kernel Hackers Manual 4.11 |