/*===========================================================================*
* do_rs_memctl *
*===========================================================================*/
int do_rs_memctl(message *m_ptr)
{
endpoint_t ep;
int req, r, proc_nr;
struct vmproc *vmp;
ep = m_ptr->VM_RS_CTL_ENDPT;
req = m_ptr->VM_RS_CTL_REQ;
/* Lookup endpoint. */
if ((r = vm_isokendpt(ep, &proc_nr)) != OK) {
printf("do_rs_memctl: bad endpoint %d\n", ep);
return EINVAL;
}
vmp = &vmproc[proc_nr];
/* Process request. */
switch(req)
{
case VM_RS_MEM_PIN:
/* Only actually pin RS memory if VM can recover from crashes (saves memory). */
if (num_vm_instances <= 1)
return OK;
r = map_pin_memory(vmp);
return r;
case VM_RS_MEM_MAKE_VM:
r = rs_memctl_make_vm_instance(vmp);
return r;
case VM_RS_MEM_HEAP_PREALLOC:
r = rs_memctl_heap_prealloc(vmp, (vir_bytes*) &m_ptr->VM_RS_CTL_ADDR, (size_t*) &m_ptr->VM_RS_CTL_LEN);
return r;
case VM_RS_MEM_MAP_PREALLOC:
r = rs_memctl_map_prealloc(vmp, (vir_bytes*) &m_ptr->VM_RS_CTL_ADDR, (size_t*) &m_ptr->VM_RS_CTL_LEN);
return r;
case VM_RS_MEM_GET_PREALLOC_MAP:
r = rs_memctl_get_prealloc_map(vmp, (vir_bytes*) &m_ptr->VM_RS_CTL_ADDR, (size_t*) &m_ptr->VM_RS_CTL_LEN);
return r;
default:
printf("do_rs_memctl: bad request %d\n", req);
return EINVAL;
}
}
/*===========================================================================*
* do_rs_memctl *
*===========================================================================*/
int do_rs_memctl(message *m_ptr)
{
endpoint_t ep;
int req, r, proc_nr;
struct vmproc *vmp;
ep = m_ptr->VM_RS_CTL_ENDPT;
req = m_ptr->VM_RS_CTL_REQ;
/* Lookup endpoint. */
if ((r = vm_isokendpt(ep, &proc_nr)) != OK) {
printf("do_rs_memctl: bad endpoint %d\n", ep);
return EINVAL;
}
vmp = &vmproc[proc_nr];
/* Process request. */
switch(req)
{
case VM_RS_MEM_PIN:
/* Do not perform VM_RS_MEM_PIN yet - it costs the full
* size of the RS stack (64MB by default) in memory,
* and it's needed for functionality that isn't complete /
* merged in current Minix (surviving VM crashes).
*/
#if 0
r = map_pin_memory(vmp);
return r;
#else
return OK;
#endif
case VM_RS_MEM_MAKE_VM:
r = rs_memctl_make_vm_instance(vmp);
return r;
default:
printf("do_rs_memctl: bad request %d\n", req);
return EINVAL;
}
}
