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rump_private.h revision 1.63 
      1 /*	$NetBSD: rump_private.h,v 1.63 2010/11/17 21:57:33 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, RUMP_COMPONENT_NET_ROUTE, RUMP_COMPONENT_NET_IF,
     60 	RUMP_COMPONENT_VFS,
     61 	RUMP_COMPONENT_KERN, RUMP_COMPONENT_KERN_VFS,
     62 	RUMP_COMPONENT_MAX,
     63 };
     64 struct rump_component {
     65 	enum rump_component_type rc_type;
     66 	void (*rc_init)(void);
     67 };
     68 #define RUMP_COMPONENT(type)				\
     69 static void rumpcompinit(void);				\
     70 static const struct rump_component rumpcomp = {		\
     71 	.rc_type = type,				\
     72 	.rc_init = rumpcompinit,			\
     73 };							\
     74 __link_set_add_rodata(rump_components, rumpcomp);	\
     75 static void rumpcompinit(void)
     76 
     77 #define FLAWLESSCALL(call)						\
     78 do {									\
     79 	int att_error;							\
     80 	if ((att_error = call) != 0)					\
     81 		panic("\"%s\" failed", #call);				\
     82 } while (/*CONSTCOND*/0)
     83 
     84 #define RUMPMEM_UNLIMITED ((unsigned long)-1)
     85 extern unsigned long rump_physmemlimit;
     86 
     87 void		rump_component_init(enum rump_component_type);
     88 int		rump_component_count(enum rump_component_type);
     89 
     90 typedef void	(*rump_proc_vfs_init_fn)(struct proc *);
     91 typedef void	(*rump_proc_vfs_release_fn)(struct proc *);
     92 extern rump_proc_vfs_init_fn rump_proc_vfs_init;
     93 extern rump_proc_vfs_release_fn rump_proc_vfs_release;
     94 
     95 extern struct cpu_info *rump_cpu;
     96 
     97 struct lwp *	rump__lwproc_alloclwp(struct proc *);
     98 
     99 void	rump_cpus_bootstrap(int);
    100 void	rump_scheduler_init(int);
    101 void	rump_schedule(void);
    102 void	rump_unschedule(void);
    103 void 	rump_schedule_cpu(struct lwp *);
    104 void 	rump_schedule_cpu_interlock(struct lwp *, void *);
    105 void	rump_unschedule_cpu(struct lwp *);
    106 void	rump_unschedule_cpu_interlock(struct lwp *, void *);
    107 void	rump_unschedule_cpu1(struct lwp *, void *);
    108 
    109 void	rump_schedlock_cv_wait(struct rumpuser_cv *);
    110 int	rump_schedlock_cv_timedwait(struct rumpuser_cv *,
    111 				    const struct timespec *);
    112 
    113 void	rump_user_schedule(int, void *);
    114 void	rump_user_unschedule(int, int *, void *);
    115 
    116 void	rump_cpu_attach(struct cpu_info *);
    117 
    118 bool	rump_kernel_isbiglocked(void);
    119 void	rump_kernel_unlock_allbutone(int *);
    120 void	rump_kernel_ununlock_allbutone(int);
    121 
    122 void	rump_tsleep_init(void);
    123 
    124 void	rump_intr_init(int);
    125 void	rump_softint_run(struct cpu_info *);
    126 
    127 void	*rump_hypermalloc(size_t, int, bool, const char *);
    128 void	rump_hyperfree(void *, size_t);
    129 
    130 #endif /* _SYS_RUMP_PRIVATE_H_ */
    131