Write to the configuration space of a PCI device
#include <hw/pci.h> int pci_write_config( void* handle, unsigned offset, unsigned count, size_t size, const void* buff );
libc
Use the -l c option to qcc to link against this library. This library is usually included automatically.
The pci_write_config() function writes count objects of the specified size from buff at the given offset to the configuration space of the PCI device specified by handle.
Safety: | |
---|---|
Cancellation point | Yes |
Interrupt handler | No |
Signal handler | Yes |
Thread | Yes |
pci_attach(), pci_attach_device(), pci_detach(), pci_detach_device(), pci_find_class(), pci_find_device(), pci_present(), pci_read_config(), pci_read_config8(), pci_read_config16(), pci_read_config32(), pci_rescan_bus(), pci_write_config8(), pci_write_config16(), pci_write_config32()