xenmem.h

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#ifndef _IPXE_XENMEM_H
#define _IPXE_XENMEM_H

/** @file
 *
 * Xen memory operations
 *
 */

FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );

#include <ipxe/xen.h>
#include <xen/memory.h>

/**
 * Add page to physical address space
 *
 * @v xen               Xen hypervisor
 * @v add               Page mapping descriptor
 * @ret xenrc           Xen status code
 */
static inline __attribute__ (( always_inline )) int
xenmem_add_to_physmap ( struct xen_hypervisor *xen,
                        struct xen_add_to_physmap *add ) {

        return xen_hypercall_2 ( xen, __HYPERVISOR_memory_op,
                                 XENMEM_add_to_physmap, virt_to_phys ( add ) );
}

/**
 * Remove page from physical address space
 *
 * @v xen               Xen hypervisor
 * @v remove            Page mapping descriptor
 * @ret xenrc           Xen status code
 */
static inline __attribute__ (( always_inline )) int
xenmem_remove_from_physmap ( struct xen_hypervisor *xen,
                             struct xen_remove_from_physmap *remove ) {

        return xen_hypercall_2 ( xen, __HYPERVISOR_memory_op,
                                 XENMEM_remove_from_physmap,
                                 virt_to_phys ( remove ) );
}

#endif /* _IPXE_XENMEM_H */