1 /*	$NetBSD: rump_private.h,v 1.69 2011/01/13 15:38:29 pooka Exp $	*/
2 
3 /*
4  * Copyright (c) 2007 Antti Kantee.  All Rights Reserved.
5  *
6  * Development of this software was supported by Google Summer of Code.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
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 the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
18  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20  * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
23  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  */
29 
30 #ifndef _SYS_RUMP_PRIVATE_H_
31 #define _SYS_RUMP_PRIVATE_H_
32 
33 #include <sys/param.h>
34 #include <sys/cpu.h>
35 #include <sys/device.h>
36 #include <sys/lwp.h>
37 #include <sys/proc.h>
38 #include <sys/systm.h>
39 #include <sys/types.h>
40 
41 #include <uvm/uvm.h>
42 #include <uvm/uvm_object.h>
43 #include <uvm/uvm_page.h>
44 
45 #include <rump/rump.h>
46 #include <rump/rumpuser.h>
47 
48 #include "rumpkern_if_priv.h"
49 
50 extern struct rumpuser_mtx *rump_giantlock;
51 
52 extern int rump_threads;
53 extern struct device rump_rootdev;
54 
55 extern struct sysent rump_sysent[];
56 
57 enum rump_component_type {
58 	RUMP_COMPONENT_DEV,
59 	RUMP_COMPONENT_NET,
60 		RUMP_COMPONENT_NET_ROUTE,
61 		RUMP_COMPONENT_NET_IF,
62 		RUMP_COMPONENT_NET_IFCFG,
63 	RUMP_COMPONENT_VFS,
64 	RUMP_COMPONENT_KERN,
65 		RUMP_COMPONENT_KERN_VFS,
66 	RUMP_COMPONENT_MAX,
67 };
68 struct rump_component {
69 	enum rump_component_type rc_type;
70 	void (*rc_init)(void);
71 };
72 #define RUMP_COMPONENT(type)				\
73 static void rumpcompinit##type(void);			\
74 static const struct rump_component rumpcomp##type = {	\
75 	.rc_type = type,				\
76 	.rc_init = rumpcompinit##type,			\
77 };							\
78 __link_set_add_rodata(rump_components, rumpcomp##type);	\
79 static void rumpcompinit##type(void)
80 
81 #define FLAWLESSCALL(call)						\
82 do {									\
83 	int att_error;							\
84 	if ((att_error = call) != 0)					\
85 		panic("\"%s\" failed", #call);				\
86 } while (/*CONSTCOND*/0)
87 
88 #define RUMPMEM_UNLIMITED ((unsigned long)-1)
89 extern unsigned long rump_physmemlimit;
90 
91 #define RUMP_LOCALPROC_P(p) (p->p_vmspace == vmspace_kernel())
92 
93 void		rump_component_init(enum rump_component_type);
94 int		rump_component_count(enum rump_component_type);
95 
96 typedef void	(*rump_proc_vfs_init_fn)(struct proc *);
97 typedef void	(*rump_proc_vfs_release_fn)(struct proc *);
98 extern rump_proc_vfs_init_fn rump_proc_vfs_init;
99 extern rump_proc_vfs_release_fn rump_proc_vfs_release;
100 
101 extern struct cpu_info *rump_cpu;
102 
103 extern bool rump_ttycomponent;
104 
105 struct lwp *	rump__lwproc_alloclwp(struct proc *);
106 
107 void	rump_cpus_bootstrap(int *);
108 void	rump_scheduler_init(int);
109 void	rump_schedule(void);
110 void	rump_unschedule(void);
111 void 	rump_schedule_cpu(struct lwp *);
112 void 	rump_schedule_cpu_interlock(struct lwp *, void *);
113 void	rump_unschedule_cpu(struct lwp *);
114 void	rump_unschedule_cpu_interlock(struct lwp *, void *);
115 void	rump_unschedule_cpu1(struct lwp *, void *);
116 
117 void	rump_schedlock_cv_wait(struct rumpuser_cv *);
118 int	rump_schedlock_cv_timedwait(struct rumpuser_cv *,
119 				    const struct timespec *);
120 
121 void	rump_user_schedule(int, void *);
122 void	rump_user_unschedule(int, int *, void *);
123 
124 void	rump_cpu_attach(struct cpu_info *);
125 
126 void	rump_kernel_bigwrap(int *);
127 void	rump_kernel_bigunwrap(int);
128 
129 void	rump_tsleep_init(void);
130 
131 void	rump_intr_init(int);
132 void	rump_softint_run(struct cpu_info *);
133 
134 void	*rump_hypermalloc(size_t, int, bool, const char *);
135 void	rump_hyperfree(void *, size_t);
136 
137 #endif /* _SYS_RUMP_PRIVATE_H_ */
138