Read a byte from the configuration space of a device
#include <hw/pci.h> int pci_read_config8( unsigned bus, unsigned dev_func, unsigned offset, unsigned count, char* buff );
libc
Use the -l c option to qcc to link against this library. This library is usually included automatically.
The pci_read_config8() function reads the specified number of bytes from the configuration space of the given device or function.
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_config16(), pci_read_config32(), pci_rescan_bus(), pci_write_config(), pci_write_config8(), pci_write_config16(), pci_write_config32()