gasp_lock()

Updated: October 28, 2024

Lock access to regions of the specified type

Synopsis:

#include <qvm/gasp.h>
int gasp_lock(struct guest_system *gsp,
              uint16_t type)

Arguments:

gsp
A pointer to a guest system.
type
The type of address space, either QST_MEMORY for guest-physical memory, or QST_X86_IO for an I/O port number.

Description:

Use this function to lock the guest address space to ensure that no other vdev can interfere with the space before you have finished your task.

Returns:

EOK for success; otherwise an error.