sys/platform/vkernel/include/md_var.h

   1 /*
   2  * Copyright (c) 2006 The DragonFly Project.  All rights reserved.
   3  *
   4  * This code is derived from software contributed to The DragonFly Project
   5  * by Matthew Dillon <dillon@backplane.com>
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  *
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in
  15  *    the documentation and/or other materials provided with the
  16  *    distribution.
  17  * 3. Neither the name of The DragonFly Project nor the names of its
  18  *    contributors may be used to endorse or promote products derived
  19  *    from this software without specific, prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  24  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
  25  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  26  * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
  27  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  28  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  29  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  30  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  31  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32  * SUCH DAMAGE.
  33  */
  34
  35 #ifndef _MACHINE_MD_VAR_H_
  36 #define _MACHINE_MD_VAR_H_
  37
  38 #ifndef _SYS_TYPES_H_
  39 #include <sys/types.h>
  40 #endif
  41 #ifndef _SYS_VKERNEL_H_
  42 #include <sys/vkernel.h>
  43 #endif
  44 #ifndef _NET_ETHERNET_H_
  45 #include <net/ethernet.h>
  46 #endif
  47
  48 #define VKNETIF_MAX     16
  49 #define VKDISK_MAX      16
  50 #define SERNOLEN        30
  51
  52 struct vknetif_info {
  53         int             tap_fd;
  54         int             tap_unit;
  55         in_addr_t       netif_addr;
  56         in_addr_t       netif_mask;
  57         u_char          *enaddr;
  58 };
  59
  60 struct vkdisk_info {
  61         int fd;
  62         int unit;
  63         enum vkdisk_type { VKD_EMPTY, VKD_DISK, VKD_CD } type;
  64         char fname[MAXPATHLEN];
  65         char *serno;
  66 };
  67
  68 extern  char    sigcode[];
  69 extern  int     szsigcode;
  70 extern  vpte_t  *KernelPTA;     /* NOTE: Offset for direct VA translation */
  71 extern  vpte_t  *KernelPTD;
  72 extern  vm_offset_t crashdumpmap;
  73 extern  int     cpu_fxsr;
  74
  75 extern  char    cpu_vendor[];   /* XXX belongs in i386 */
  76 extern  u_int   cpu_vendor_id;  /* XXX belongs in i386 */
  77 extern  u_int   cpu_id;         /* XXX belongs in i386 */
  78
  79 extern struct vkdisk_info DiskInfo[VKDISK_MAX];
  80 extern int      DiskNum;
  81 extern int      MemImageFd;
  82 extern struct vknetif_info NetifInfo[VKNETIF_MAX];
  83 extern int      NetifNum;
  84 extern int      _ucodesel, _udatasel;
  85
  86 extern int      via_feature_xcrypt;
  87 extern int      via_feature_rng;
  88
  89 struct mdglobaldata;
  90 struct __mcontext;
  91
  92 vpte_t *pmap_kpte(vm_offset_t va);
  93 void cpu_gdinit (struct mdglobaldata *gd, int cpu);
  94
  95 void cpu_heavy_restore(void);   /* cannot be called from C */
  96 void cpu_lwkt_restore(void);    /* cannot be called from C */
  97 void cpu_idle_restore(void);    /* cannot be called from C */
  98 void cpu_kthread_restore(void); /* cannot be called from C */
  99 thread_t cpu_exit_switch (struct thread *next);
 100 void cpu_setregs (void);
 101 void cpu_idle (void);
 102 void cpu_mask_all_signals (void);
 103 void cpu_unmask_all_signals (void);
 104 void go_user (struct intrframe *frame);
 105
 106 void init_exceptions(void);
 107 void init_kqueue(void);
 108 void init_fpu(int supports_sse);
 109 void kern_trap(struct trapframe *);
 110 void user_trap(struct trapframe *);
 111 void syscall2 (struct trapframe *);
 112 void vcons_set_mode(int);
 113 int npxdna(struct trapframe *);
 114 void npxpush(struct __mcontext *mctx);
 115 void npxpop(struct __mcontext *mctx);
 116
 117 void signalintr(int intr);
 118
 119 struct kqueue_info;
 120 struct kqueue_info *kqueue_add(int, void (*)(void *, struct intrframe *), void *);
 121 void kqueue_del(struct kqueue_info *);
 122 struct kqueue_info *kqueue_add_timer(void (*func)(void *, struct intrframe *), void *data);
 123 void kqueue_reload_timer(struct kqueue_info *info, int ms);
 124
 125
 126 #endif