121 lines
3.3 KiB
C
121 lines
3.3 KiB
C
/*
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* Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _OPENSOLARIS_SYS_PROC_H_
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#define _OPENSOLARIS_SYS_PROC_H_
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#include <sys/param.h>
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#include <sys/kthread.h>
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#include_next <sys/proc.h>
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#include <sys/stdint.h>
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#include <sys/smp.h>
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#include <sys/sched.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/unistd.h>
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#include <sys/kmem.h>
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#include <sys/malloc.h>
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#define CPU curcpu
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#define minclsyspri PRIBIO
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#define defclsyspri minclsyspri
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#define maxclsyspri PVM
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#define max_ncpus (mp_maxid + 1)
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#define boot_max_ncpus (mp_maxid + 1)
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#define TS_RUN 0
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#define p0 proc0
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#define t_tid td_tid
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typedef short pri_t;
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typedef struct thread _kthread;
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typedef struct thread kthread_t;
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typedef struct thread *kthread_id_t;
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typedef struct proc proc_t;
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extern struct proc *zfsproc;
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struct thread_wrap {
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void *tw_arg;
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void (*tw_proc)(void*);
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};
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static __inline void
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solthread_wrapper(void *arg)
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{
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struct thread_wrap *tw = arg;
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tw->tw_proc(tw->tw_arg);
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free(tw, M_SOLARIS);
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kthread_exit();
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}
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static __inline kthread_t *
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do_thread_create(caddr_t stk, size_t stksize, void (*proc)(void *), void *arg,
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size_t len, proc_t *pp, int state, pri_t pri)
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{
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kthread_t *td = NULL;
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int error;
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struct thread_wrap *tw;
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/*
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* Be sure there are no surprises.
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*/
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ASSERT(stk == NULL);
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ASSERT(len == 0);
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ASSERT(state == TS_RUN);
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tw = malloc(sizeof (*tw), M_SOLARIS, M_WAITOK);
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tw->tw_proc = proc;
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tw->tw_arg = arg;
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error = kproc_kthread_add(solthread_wrapper, tw, &zfsproc, &td,
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RFSTOPPED, stksize / PAGE_SIZE, "zfskern", "solthread %p", proc);
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if (error == 0) {
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thread_lock(td);
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sched_prio(td, pri);
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sched_add(td, SRQ_BORING);
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#if __FreeBSD_version < 1300068
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thread_unlock(td);
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#endif
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} else {
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free(tw, M_SOLARIS);
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}
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return (td);
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}
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#define thread_create(stk, stksize, proc, arg, len, pp, state, pri) \
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do_thread_create(stk, stksize, proc, arg, len, pp, state, pri)
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#define thread_exit() kthread_exit()
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int uread(proc_t *, void *, size_t, uintptr_t);
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int uwrite(proc_t *, void *, size_t, uintptr_t);
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#endif /* _OPENSOLARIS_SYS_PROC_H_ */
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