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 #ifndef _SYS__PTHREADTYPES_H_
48 #include <sys/_pthreadtypes.h>
49 #endif
50 
51 #define VKNETIF_MAX	16
52 #define VKDISK_MAX	16
53 #define	SERNOLEN        30
54 
55 #define	pagezero(addr)	bzero((addr), PAGE_SIZE)
56 
57 struct vknetif_info {
58 	int		tap_fd;
59 	int		tap_unit;
60 	in_addr_t	netif_addr;
61 	in_addr_t	netif_mask;
62 	u_char		*enaddr;
63 };
64 
65 struct vkdisk_info {
66         int fd;
67         int unit;
68 	int flags;
69 	int reserved01;
70 	enum vkdisk_type { VKD_EMPTY, VKD_DISK, VKD_CD } type;
71 	char fname[MAXPATHLEN];
72 	char *serno;
73 };
74 
75 extern	char	sigcode[];
76 extern	int	szsigcode;
77 extern	vpte_t	*KernelPTA;	/* NOTE: Offset for direct VA translation */
78 extern	vpte_t	*KernelPTD;
79 extern	vm_offset_t crashdumpmap;
80 extern  int	cpu_fxsr;
81 extern  pthread_t ap_tids[MAXCPU];
82 
83 extern  char    cpu_vendor[];	/* XXX belongs in pc64 */
84 extern  u_int   cpu_vendor_id;	/* XXX belongs in pc64 */
85 extern  u_int   cpu_id;		/* XXX belongs in pc64 */
86 
87 extern struct vkdisk_info DiskInfo[VKDISK_MAX];
88 extern int	DiskNum;
89 extern int	MemImageFd;
90 extern struct vknetif_info NetifInfo[VKNETIF_MAX];
91 extern int	NetifNum;
92 extern int	_ucodesel, _udatasel;
93 
94 extern int	via_feature_xcrypt;
95 extern int	via_feature_rng;
96 
97 struct mdglobaldata;
98 struct __mcontext;
99 
100 vpte_t *pmap_kpte(vm_offset_t va);
101 void cpu_gdinit (struct mdglobaldata *gd, int cpu);
102 
103 void cpu_heavy_restore(void);	/* cannot be called from C */
104 void cpu_lwkt_restore(void);    /* cannot be called from C */
105 void cpu_idle_restore(void);    /* cannot be called from C */
106 void cpu_kthread_restore(void);	/* cannot be called from C */
107 thread_t cpu_exit_switch (struct thread *next);
108 void cpu_setregs (void);
109 void cpu_idle (void);
110 void cpu_mask_all_signals (void);
111 void cpu_unmask_all_signals (void);
112 void go_user (struct intrframe *frame);
113 
114 void init_exceptions(void);
115 void init_kqueue(void);
116 void init_fpu(int supports_sse);
117 void kern_trap(struct trapframe *);
118 void user_trap(struct trapframe *);
119 void syscall2 (struct trapframe *);
120 void vcons_set_mode(int);
121 int npxdna(struct trapframe *);
122 void npxpush(struct __mcontext *mctx);
123 void npxpop(struct __mcontext *mctx);
124 void kqueue_intr(struct intrframe *);
125 void vktimer_intr(struct intrframe *);
126 
127 void signalintr(int intr);
128 
129 struct kqueue_info;
130 struct kqueue_info *kqueue_add(int, void (*)(void *, struct intrframe *), void *);
131 void kqueue_del(struct kqueue_info *);
132 
133 #endif
134