kernel - Revamp LWKT thread migration
[dragonfly.git] / sys / platform / vkernel64 / include / md_var.h
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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
47#define VKNETIF_MAX 16
48#define VKDISK_MAX 16
49
50struct vknetif_info {
51 int tap_fd;
52 int tap_unit;
53 in_addr_t netif_addr;
54 in_addr_t netif_mask;
55};
56
57struct vkdisk_info {
58 int fd;
59 int unit;
60 enum vkdisk_type { VKD_EMPTY, VKD_DISK, VKD_CD } type;
61 char fname[MAXPATHLEN];
62};
63
64extern char sigcode[];
65extern int szsigcode;
66extern vpte_t *KernelPTA; /* NOTE: Offset for direct VA translation */
67extern vpte_t *KernelPTD;
68extern vm_offset_t crashdumpmap;
69extern int cpu_fxsr;
70
71extern char cpu_vendor[]; /* XXX belongs in i386 */
72extern u_int cpu_id; /* XXX belongs in i386 */
73
74extern struct vkdisk_info DiskInfo[VKDISK_MAX];
75extern int DiskNum;
76extern int MemImageFd;
77extern struct vknetif_info NetifInfo[VKNETIF_MAX];
78extern int NetifNum;
79extern int _ucodesel, _udatasel;
80
81extern int via_feature_xcrypt;
82extern int via_feature_rng;
83
84struct mdglobaldata;
85struct __mcontext;
86
87vpte_t *pmap_kpte(vm_offset_t va);
88void cpu_gdinit (struct mdglobaldata *gd, int cpu);
89
90void cpu_heavy_restore(void); /* cannot be called from C */
91void cpu_lwkt_restore(void); /* cannot be called from C */
92void cpu_idle_restore(void); /* cannot be called from C */
93void cpu_kthread_restore(void); /* cannot be called from C */
cc9b6223 94thread_t cpu_exit_switch (struct thread *next);
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95void cpu_setregs (void);
96void cpu_idle (void);
97void cpu_mask_all_signals (void);
98void cpu_unmask_all_signals (void);
99void go_user (struct intrframe *frame);
100
101void init_exceptions(void);
102void init_kqueue(void);
103void init_fpu(int supports_sse);
104void kern_trap(struct trapframe *);
105void user_trap(struct trapframe *);
106void syscall2 (struct trapframe *);
107void vcons_set_mode(int);
108int npxdna(struct trapframe *);
109void npxpush(struct __mcontext *mctx);
110void npxpop(struct __mcontext *mctx);
111
112void signalintr(int intr);
113
114struct kqueue_info;
115struct kqueue_info *kqueue_add(int, void (*)(void *, struct intrframe *), void *);
116void kqueue_del(struct kqueue_info *);
117struct kqueue_info *kqueue_add_timer(void (*func)(void *, struct intrframe *), void *data);
118void kqueue_reload_timer(struct kqueue_info *info, int ms);
119
120
121#endif