mirror of https://github.com/acidanthera/audk.git
95 lines
3.2 KiB
C
95 lines
3.2 KiB
C
|
/******************************************************************************
|
||
|
|
* memory.h
|
||
|
|
*
|
||
|
|
* Memory reservation and information.
|
||
|
|
*
|
||
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||
|
|
* of this software and associated documentation files (the "Software"), to
|
||
|
|
* deal in the Software without restriction, including without limitation the
|
||
|
|
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
|
||
|
|
* sell copies of the Software, and to permit persons to whom the Software is
|
||
|
|
* furnished to do so, subject to the following conditions:
|
||
|
|
*
|
||
|
|
* The above copyright notice and this permission notice shall be included in
|
||
|
|
* all copies or substantial portions of the Software.
|
||
|
|
*
|
||
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
||
|
|
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
||
|
|
* DEALINGS IN THE SOFTWARE.
|
||
|
|
*
|
||
|
|
* Copyright (c) 2005, Keir Fraser <keir@xensource.com>
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __XEN_PUBLIC_MEMORY_H__
|
||
|
|
#define __XEN_PUBLIC_MEMORY_H__
|
||
|
|
|
||
|
|
#include "xen.h"
|
||
|
|
|
||
|
|
/* Source mapping space. */
|
||
|
|
/* ` enum phys_map_space { */
|
||
|
|
#define XENMAPSPACE_shared_info 0 /* shared info page */
|
||
|
|
#define XENMAPSPACE_grant_table 1 /* grant table page */
|
||
|
|
#define XENMAPSPACE_gmfn 2 /* GMFN */
|
||
|
|
#define XENMAPSPACE_gmfn_range 3 /* GMFN range, XENMEM_add_to_physmap only. */
|
||
|
|
#define XENMAPSPACE_gmfn_foreign 4 /* GMFN from another dom,
|
||
|
|
* XENMEM_add_to_physmap_batch only. */
|
||
|
|
/* ` } */
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Sets the GPFN at which a particular page appears in the specified guest's
|
||
|
|
* pseudophysical address space.
|
||
|
|
* arg == addr of xen_add_to_physmap_t.
|
||
|
|
*/
|
||
|
|
#define XENMEM_add_to_physmap 7
|
||
|
|
struct xen_add_to_physmap {
|
||
|
|
/* Which domain to change the mapping for. */
|
||
|
|
domid_t domid;
|
||
|
|
|
||
|
|
/* Number of pages to go through for gmfn_range */
|
||
|
|
UINT16 size;
|
||
|
|
|
||
|
|
UINT32 space; /* => enum phys_map_space */
|
||
|
|
|
||
|
|
#define XENMAPIDX_grant_table_status 0x80000000
|
||
|
|
|
||
|
|
/* Index into space being mapped. */
|
||
|
|
xen_ulong_t idx;
|
||
|
|
|
||
|
|
/* GPFN in domid where the source mapping page should appear. */
|
||
|
|
xen_pfn_t gpfn;
|
||
|
|
};
|
||
|
|
typedef struct xen_add_to_physmap xen_add_to_physmap_t;
|
||
|
|
DEFINE_XEN_GUEST_HANDLE(xen_add_to_physmap_t);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Unmaps the page appearing at a particular GPFN from the specified guest's
|
||
|
|
* pseudophysical address space.
|
||
|
|
* arg == addr of xen_remove_from_physmap_t.
|
||
|
|
*/
|
||
|
|
#define XENMEM_remove_from_physmap 15
|
||
|
|
struct xen_remove_from_physmap {
|
||
|
|
/* Which domain to change the mapping for. */
|
||
|
|
domid_t domid;
|
||
|
|
|
||
|
|
/* GPFN of the current mapping of the page. */
|
||
|
|
xen_pfn_t gpfn;
|
||
|
|
};
|
||
|
|
typedef struct xen_remove_from_physmap xen_remove_from_physmap_t;
|
||
|
|
DEFINE_XEN_GUEST_HANDLE(xen_remove_from_physmap_t);
|
||
|
|
|
||
|
|
#endif /* __XEN_PUBLIC_MEMORY_H__ */
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Local variables:
|
||
|
|
* mode: C
|
||
|
|
* c-file-style: "BSD"
|
||
|
|
* c-basic-offset: 4
|
||
|
|
* tab-width: 4
|
||
|
|
* indent-tabs-mode: nil
|
||
|
|
* End:
|
||
|
|
*/
|