release/src-rt-6.x.4708/linux/linux-2.6.36/arch/mips/include/asm/vpe.h

   1 /*
   2  * Copyright (C) 2005 MIPS Technologies, Inc.  All rights reserved.
   3  *
   4  *  This program is free software; you can distribute it and/or modify it
   5  *  under the terms of the GNU General Public License (Version 2) as
   6  *  published by the Free Software Foundation.
   7  *
   8  *  This program is distributed in the hope it will be useful, but WITHOUT
   9  *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  10  *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  11  *  for more details.
  12  *
  13  *  You should have received a copy of the GNU General Public License along
  14  *  with this program; if not, write to the Free Software Foundation, Inc.,
  15  *  59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
  16  *
  17  */
  18
  19 #ifndef _ASM_VPE_H
  20 #define _ASM_VPE_H
  21
  22 struct vpe_notifications {
  23         void (*start)(int vpe);
  24         void (*stop)(int vpe);
  25
  26         struct list_head list;
  27 };
  28
  29 extern unsigned long physical_memsize;
  30 extern int vpe_notify(int index, struct vpe_notifications *notify);
  31 extern void save_gp_address(unsigned int secbase, unsigned int rel);
  32
  33 /*
  34  * libc style I/O support hooks
  35  */
  36
  37 extern void *vpe_get_shared(int index);
  38 extern int vpe_getuid(int index);
  39 extern int vpe_getgid(int index);
  40 extern char *vpe_getcwd(int index);
  41
  42 /*
  43  * Kernel/Kernel message passing support hooks
  44  */
  45
  46 extern void *vpe_get_shared_area(int index, int type);
  47
  48 /* "Well-Known" Area Types */
  49
  50 #define VPE_SHARED_NULL 0
  51 #define VPE_SHARED_RESERVED -1
  52
  53 struct vpe_shared_area {
  54         int type;
  55         void *addr;
  56 };
  57
  58 /*
  59  * IRQ assignment and initialization hook for RP services.
  60  */
  61
  62 int arch_get_xcpu_irq(void);
  63
  64 int vpe_send_interrupt(int v, int i);
  65 #endif /* _ASM_VPE_H */