/******************************************************************************

 * cpufreq.c -- adapt 32b compat guest to 64b hypervisor.

 *

 *  Copyright (C) 2008, Liu Jinsong <jinsong.liu@intel.com>

 *

 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

 *

 *  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, see <http://www.gnu.org/licenses/>.

 *

 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

 */

#include <xen/types.h>

#include <xen/xmalloc.h>

#include <xen/guest_access.h>

#include <xen/pmstat.h>

#include <compat/platform.h>

DEFINE_XEN_GUEST_HANDLE(compat_processor_px_t);

int 

compat_set_px_pminfo(uint32_t cpu, struct compat_processor_performance *perf)

{

    struct xen_processor_performance *xen_perf;

    unsigned long xlat_page_current;

    xlat_malloc_init(xlat_page_current);

    xen_perf = xlat_malloc_array(xlat_page_current,

                                  struct xen_processor_performance, 1);

    if ( unlikely(xen_perf == NULL) )

  return -EFAULT;

#define XLAT_processor_performance_HNDL_states(_d_, _s_) do { \

    XEN_GUEST_HANDLE(compat_processor_px_t) states; \

    XEN_GUEST_HANDLE_PARAM(xen_processor_px_t) states_t; \

    if ( unlikely(!compat_handle_okay((_s_)->states, (_s_)->state_count)) ) \

        return -EFAULT; \

    guest_from_compat_handle(states, (_s_)->states); \

    states_t = guest_handle_cast(states, xen_processor_px_t); \

    (_d_)->states = guest_handle_from_param(states_t, xen_processor_px_t); \

} while (0)

    XLAT_processor_performance(xen_perf, perf);

#undef XLAT_processor_performance_HNDL_states

    return set_px_pminfo(cpu, xen_perf);

}