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/******************************************************************************
* arch/x86/mm/mem_paging.c
*
* Memory paging support.
*
* Copyright (c) 2009 Citrix Systems, Inc. (Patrick Colp)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <asm/p2m.h>
#include <asm/mem_event.h>
int mem_paging_memop(struct domain *d, xen_mem_event_op_t *mec)
{
if ( unlikely(!d->mem_event->paging.ring_page) )
return -ENODEV;
switch( mec->op )
{
case XENMEM_paging_op_nominate:
{
unsigned long gfn = mec->gfn;
return p2m_mem_paging_nominate(d, gfn);
}
break;
case XENMEM_paging_op_evict:
{
unsigned long gfn = mec->gfn;
return p2m_mem_paging_evict(d, gfn);
}
break;
case XENMEM_paging_op_prep:
{
unsigned long gfn = mec->gfn;
return p2m_mem_paging_prep(d, gfn, mec->buffer);
}
break;
default:
return -ENOSYS;
break;
}
}
/*
* Local variables:
* mode: C
* c-file-style: "BSD"
* c-basic-offset: 4
* indent-tabs-mode: nil
* End:
*/
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