windows_ddk.c

   1 /*
   2  * This file is part of the libserialport project.
   3  *
   4  * Copyright (C) 2019 Martin Ling <martin-libserialport@earth.li>
   5  *
   6  * This program is free software: you can redistribute it and/or modify
   7  * it under the terms of the GNU Lesser General Public License as
   8  * published by the Free Software Foundation, either version 3 of the
   9  * License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public License
  17  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 /*
  21  * We can't include DDK headers in serialport.c because they conflict with
  22  * user space headers. So this file exists to isolate the definitions which
  23  * use the kernel declarations.
  24  */
  25
  26 #include <ddk/wdm.h>
  27
  28 const size_t WRITEFILE_MAX_SIZE = ((65535 - sizeof(MDL)) / sizeof(ULONG_PTR)) * PAGE_SIZE;