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/******************************************************************************
* arch/x86/x86_64/domain.c
*
*/
#include <xen/config.h>
#include <xen/types.h>
#include <xen/guest_access.h>
#include <xen/hypercall.h>
#include <compat/vcpu.h>
#define xen_vcpu_get_physid vcpu_get_physid
CHECK_vcpu_get_physid;
#undef xen_vcpu_get_physid
int
arch_compat_vcpu_op(
int cmd, struct vcpu *v, XEN_GUEST_HANDLE_PARAM(void) arg)
{
int rc = -ENOSYS;
switch ( cmd )
{
case VCPUOP_register_runstate_memory_area:
{
struct compat_vcpu_register_runstate_memory_area area;
struct compat_vcpu_runstate_info info;
area.addr.p = 0;
rc = -EFAULT;
if ( copy_from_guest(&area.addr.h, arg, 1) )
break;
if ( area.addr.h.c != area.addr.p ||
!compat_handle_okay(area.addr.h, 1) )
break;
rc = 0;
guest_from_compat_handle(v->runstate_guest.compat, area.addr.h);
if ( v == current )
{
XLAT_vcpu_runstate_info(&info, &v->runstate);
}
else
{
struct vcpu_runstate_info runstate;
vcpu_runstate_get(v, &runstate);
XLAT_vcpu_runstate_info(&info, &runstate);
}
__copy_to_guest(v->runstate_guest.compat, &info, 1);
break;
}
case VCPUOP_get_physid:
rc = arch_do_vcpu_op(cmd, v, arg);
break;
}
return rc;
}
/*
* Local variables:
* mode: C
* c-file-style: "BSD"
* c-basic-offset: 4
* tab-width: 4
* indent-tabs-mode: nil
* End:
*/
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