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/******************************************************************************
* compat.c
*
* Implementations of legacy hypercalls. These call through to the new
* hypercall after doing necessary argument munging.
*/
#include <xen/config.h>
#include <xen/guest_access.h>
#include <xen/hypercall.h>
#ifndef COMPAT
typedef long ret_t;
#endif
/* Legacy hypercall (as of 0x00030202). */
ret_t do_physdev_op_compat(XEN_GUEST_HANDLE(physdev_op_t) uop)
{
struct physdev_op op;
if ( unlikely(copy_from_guest(&op, uop, 1) != 0) )
return -EFAULT;
return do_physdev_op(op.cmd, guest_handle_from_ptr(&uop.p->u, void));
}
#ifndef COMPAT
/* Legacy hypercall (as of 0x00030202). */
long do_event_channel_op_compat(XEN_GUEST_HANDLE_PARAM(evtchn_op_t) uop)
{
struct evtchn_op op;
if ( unlikely(copy_from_guest(&op, uop, 1) != 0) )
return -EFAULT;
return do_event_channel_op(op.cmd, guest_handle_from_ptr(&uop.p->u, void));
}
#endif
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