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  * $DragonFly: src/sys/platform/vkernel/include/md_var.h,v 1.24 2008/03/20 02:14:54 dillon Exp $
35  */
36 
37 #ifndef _MACHINE_MD_VAR_H_
38 #define _MACHINE_MD_VAR_H_
39 
40 #ifndef _SYS_TYPES_H_
41 #include <sys/types.h>
42 #endif
43 #ifndef _SYS_VKERNEL_H_
44 #include <sys/vkernel.h>
45 #endif
46 #ifndef _NET_ETHERNET_H_
47 #include <net/ethernet.h>
48 #endif
49 
50 #define VKNETIF_MAX	16
51 #define VKDISK_MAX	16
52 #define	SERNOLEN        30
53 
54 #define	pagezero(addr)	bzero((addr), PAGE_SIZE)
55 
56 struct vknetif_info {
57 	int		tap_fd;
58 	int		tap_unit;
59 	in_addr_t	netif_addr;
60 	in_addr_t	netif_mask;
61 	u_char		*enaddr;
62 };
63 
64 struct vkdisk_info {
65         int fd;
66         int unit;
67 	enum vkdisk_type { VKD_EMPTY, VKD_DISK, VKD_CD } type;
68 	char fname[MAXPATHLEN];
69 	char *serno;
70 };
71 
72 extern	char	sigcode[];
73 extern	int	szsigcode;
74 extern	vpte_t	*KernelPTA;	/* NOTE: Offset for direct VA translation */
75 extern	vpte_t	*KernelPTD;
76 extern	vm_offset_t crashdumpmap;
77 extern  int	cpu_fxsr;
78 
79 extern  char    cpu_vendor[];	/* XXX belongs in i386 */
80 extern  u_int   cpu_vendor_id;	/* XXX belongs in i386 */
81 extern  u_int   cpu_id;		/* XXX belongs in i386 */
82 
83 extern struct vkdisk_info DiskInfo[VKDISK_MAX];
84 extern int	DiskNum;
85 extern int	MemImageFd;
86 extern struct vknetif_info NetifInfo[VKNETIF_MAX];
87 extern int	NetifNum;
88 extern int	_ucodesel, _udatasel;
89 
90 extern int	via_feature_xcrypt;
91 extern int	via_feature_rng;
92 
93 struct mdglobaldata;
94 struct __mcontext;
95 
96 vpte_t *pmap_kpte(vm_offset_t va);
97 void cpu_gdinit (struct mdglobaldata *gd, int cpu);
98 
99 void cpu_heavy_restore(void);	/* cannot be called from C */
100 void cpu_lwkt_restore(void);    /* cannot be called from C */
101 void cpu_idle_restore(void);    /* cannot be called from C */
102 void cpu_kthread_restore(void);	/* cannot be called from C */
103 thread_t cpu_exit_switch (struct thread *next);
104 void cpu_setregs (void);
105 void cpu_idle (void);
106 void cpu_mask_all_signals (void);
107 void cpu_unmask_all_signals (void);
108 void go_user (struct intrframe *frame);
109 
110 void init_exceptions(void);
111 void init_kqueue(void);
112 void init_fpu(int supports_sse);
113 void kern_trap(struct trapframe *);
114 void user_trap(struct trapframe *);
115 void syscall2 (struct trapframe *);
116 void vcons_set_mode(int);
117 int npxdna(struct trapframe *);
118 void npxpush(struct __mcontext *mctx);
119 void npxpop(struct __mcontext *mctx);
120 
121 void signalintr(int intr);
122 
123 struct kqueue_info;
124 struct kqueue_info *kqueue_add(int, void (*)(void *, struct intrframe *), void *);
125 void kqueue_del(struct kqueue_info *);
126 struct kqueue_info *kqueue_add_timer(void (*func)(void *, struct intrframe *), void *data);
127 void kqueue_reload_timer(struct kqueue_info *info, int ms);
128 
129 
130 #endif
131