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rump_private.h revision 1.55 
      1 /*	$NetBSD: rump_private.h,v 1.55 2010/09/01 19:37:58 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 kauth_cred_t rump_cred;
     51 
     52 extern struct rumpuser_mtx *rump_giantlock;
     53 
     54 #define UIO_VMSPACE_SYS (&vmspace0)
     55 
     56 extern int rump_threads;
     57 extern struct device rump_rootdev;
     58 
     59 extern struct sysent rump_sysent[];
     60 
     61 extern struct vmspace vmspace0;
     62 
     63 enum rump_component_type {
     64 	RUMP_COMPONENT_DEV,
     65 	RUMP_COMPONENT_NET, RUMP_COMPONENT_NET_ROUTE, RUMP_COMPONENT_NET_IF,
     66 	RUMP_COMPONENT_VFS,
     67 	RUMP_COMPONENT_KERN, RUMP_COMPONENT_KERN_VFS,
     68 	RUMP_COMPONENT_MAX,
     69 };
     70 struct rump_component {
     71 	enum rump_component_type rc_type;
     72 	void (*rc_init)(void);
     73 };
     74 #define RUMP_COMPONENT(type)				\
     75 static void rumpcompinit(void);				\
     76 static const struct rump_component rumpcomp = {		\
     77 	.rc_type = type,				\
     78 	.rc_init = rumpcompinit,			\
     79 };							\
     80 __link_set_add_rodata(rump_components, rumpcomp);	\
     81 static void rumpcompinit(void)
     82 
     83 #define FLAWLESSCALL(call)						\
     84 do {									\
     85 	int att_error;							\
     86 	if ((att_error = call) != 0)					\
     87 		panic("\"%s\" failed", #call);				\
     88 } while (/*CONSTCOND*/0)
     89 
     90 void		rump_component_init(enum rump_component_type);
     91 int		rump_component_count(enum rump_component_type);
     92 
     93 void		rump_gettime(struct timespec *);
     94 void		rump_getuptime(struct timespec *);
     95 
     96 void		rump_set_vmspace(struct vmspace *);
     97 
     98 typedef void	(*rump_proc_vfs_init_fn)(struct proc *);
     99 typedef void	(*rump_proc_vfs_release_fn)(struct proc *);
    100 extern rump_proc_vfs_init_fn rump_proc_vfs_init;
    101 extern rump_proc_vfs_release_fn rump_proc_vfs_release;
    102 
    103 extern struct cpu_info *rump_cpu;
    104 
    105 extern rump_sysproxy_t rump_sysproxy;
    106 extern void *rump_sysproxy_arg;
    107 
    108 int		rump_sysproxy_copyout(const void *, void *, size_t);
    109 int		rump_sysproxy_copyin(const void *, void *, size_t);
    110 
    111 struct lwp *	rump__lwproc_allockernlwp(void);
    112 
    113 void	rump_cpus_bootstrap(int);
    114 void	rump_scheduler_init(void);
    115 void	rump_schedule(void);
    116 void	rump_unschedule(void);
    117 void 	rump_schedule_cpu(struct lwp *);
    118 void 	rump_schedule_cpu_interlock(struct lwp *, void *);
    119 void	rump_unschedule_cpu(struct lwp *);
    120 void	rump_unschedule_cpu_interlock(struct lwp *, void *);
    121 void	rump_unschedule_cpu1(struct lwp *, void *);
    122 
    123 void	rump_schedlock_cv_wait(struct rumpuser_cv *);
    124 int	rump_schedlock_cv_timedwait(struct rumpuser_cv *,
    125 				    const struct timespec *);
    126 
    127 void	rump_user_schedule(int, void *);
    128 void	rump_user_unschedule(int, int *, void *);
    129 
    130 void	rump_cpu_attach(struct cpu_info *);
    131 
    132 bool	rump_kernel_isbiglocked(void);
    133 void	rump_kernel_unlock_allbutone(int *);
    134 void	rump_kernel_ununlock_allbutone(int);
    135 
    136 void	rump_tsleep_init(void);
    137 
    138 void	rump_intr_init(void);
    139 void	rump_softint_run(struct cpu_info *);
    140 
    141 void	*rump_hypermalloc(size_t, int, bool, const char *);
    142 void	rump_hyperfree(void *, size_t);
    143 
    144 #endif /* _SYS_RUMP_PRIVATE_H_ */
    145