rcv_endpoint.h

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/*
 * (c) 2017 Alexander Warg <alexander.warg@kernkonzept.com>
 *
 * This file is part of TUD:OS and distributed under the terms of the
 * GNU General Public License 2.
 * Please see the COPYING-GPL-2 file for details.
 *
 * As a special exception, you may use this file as part of a free software
 * library without restriction.  Specifically, if other files instantiate
 * templates or use macros or inline functions from this file, or you compile
 * this file and link it with other files to produce an executable, this
 * file does not by itself cause the resulting executable to be covered by
 * the GNU General Public License.  This exception does not however
 * invalidate any other reasons why the executable file might be covered by
 * the GNU General Public License.
 */
#pragma once
 
#include <l4/sys/utcb.h>
#include <l4/sys/types.h>
 
L4_INLINE l4_msgtag_t
l4_rcv_ep_bind_thread(l4_cap_idx_t ep, l4_cap_idx_t thread,
                      l4_umword_t label);
 
L4_INLINE l4_msgtag_t
l4_rcv_ep_bind_thread_u(l4_cap_idx_t ep, l4_cap_idx_t thread,
                        l4_umword_t label, l4_utcb_t *utcb);
 
enum L4_rcv_ep_ops
{
  L4_RCV_EP_BIND_OP     = 0x10, 
};
 
/* IMPLEMENTATION -----------------------------------------------------------*/
 
#include <l4/sys/ipc.h>
 
L4_INLINE l4_msgtag_t
l4_rcv_ep_bind_thread_u(l4_cap_idx_t ep,
                        l4_cap_idx_t thread, l4_umword_t label,
                        l4_utcb_t *utcb)
{
  l4_msg_regs_t *m = l4_utcb_mr_u(utcb);
  m->mr[0] = L4_RCV_EP_BIND_OP;
  m->mr[1] = label;
  m->mr[2] = l4_map_obj_control(0, 0);
  m->mr[3] = l4_obj_fpage(thread, 0, L4_CAP_FPAGE_RWS).raw;
  return l4_ipc_call(ep, utcb, l4_msgtag(L4_PROTO_KOBJECT, 2, 1, 0),
                     L4_IPC_NEVER);
}
 
L4_INLINE l4_msgtag_t
l4_rcv_ep_bind_thread(l4_cap_idx_t ep, l4_cap_idx_t thread,
                      l4_umword_t label)
{
  return l4_rcv_ep_bind_thread_u(ep, thread, label, l4_utcb());
}