47 lines
1.0 KiB
C
47 lines
1.0 KiB
C
#ifndef _IPXE_XENMEM_H
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#define _IPXE_XENMEM_H
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/** @file
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*
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* Xen memory operations
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*
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*/
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FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
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#include <ipxe/xen.h>
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#include <xen/memory.h>
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/**
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* Add page to physical address space
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*
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* @v xen Xen hypervisor
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* @v add Page mapping descriptor
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* @ret xenrc Xen status code
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*/
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static inline __attribute__ (( always_inline )) int
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xenmem_add_to_physmap ( struct xen_hypervisor *xen,
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struct xen_add_to_physmap *add ) {
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return xen_hypercall_2 ( xen, __HYPERVISOR_memory_op,
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XENMEM_add_to_physmap, virt_to_phys ( add ) );
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}
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/**
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* Remove page from physical address space
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*
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* @v xen Xen hypervisor
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* @v remove Page mapping descriptor
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* @ret xenrc Xen status code
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*/
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static inline __attribute__ (( always_inline )) int
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xenmem_remove_from_physmap ( struct xen_hypervisor *xen,
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struct xen_remove_from_physmap *remove ) {
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return xen_hypercall_2 ( xen, __HYPERVISOR_memory_op,
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XENMEM_remove_from_physmap,
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virt_to_phys ( remove ) );
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}
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#endif /* _IPXE_XENMEM_H */
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