vpci_update_bars()

Updated: October 28, 2024

Update the hosting qvm process instance with new BAR information for the specified BAR or BARs

Synopsis:

#include <qvm/vpci.h>

unsigned vpci_update_bars(struct guest_system *gsp,
                          unsigned cmd,
                          struct vpci_bar *bars,
                          unsigned num_bars)

Arguments:

gsp: A pointer to a guest system.
cmd: The contents of the command register that controls the specified BAR or BARs.
bars: A pointer to an array of vpci_bar objects.
num_bars: The length, in bytes, of the array referenced by bars.

Returns:

1 if any region was changed in any way; otherwise 0.