the-freebsd-kernel.h revision d27bf03c13c7a5707386600ef9b0bbb82fb3420d
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync/* $Id$ */
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync/** @file
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync * IPRT - Ring-0 Driver, The FreeBSD Kernel Headers.
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync */
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync/*
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync * Copyright (c) 2007 knut st. osmundsen <bird-src-spam@anduin.net>
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync *
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync * Permission is hereby granted, free of charge, to any person
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync * obtaining a copy of this software and associated documentation
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync * files (the "Software"), to deal in the Software without
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync * restriction, including without limitation the rights to use,
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync * copy, modify, merge, publish, distribute, sublicense, and/or sell
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync * copies of the Software, and to permit persons to whom the
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync * Software is furnished to do so, subject to the following
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync * conditions:
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync *
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync * The above copyright notice and this permission notice shall be
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync * included in all copies or substantial portions of the Software.
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync *
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync * OTHER DEALINGS IN THE SOFTWARE.
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync */
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#ifndef ___the_freebsd_kernel_h
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#define ___the_freebsd_kernel_h
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#include <iprt/types.h>
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync/* Deal with conflicts first. */
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#include <sys/param.h>
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#undef PVM
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#include <sys/bus.h>
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#include <sys/types.h>
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#include <sys/errno.h>
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#include <sys/kernel.h>
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#include <sys/uio.h>
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#include <sys/libkern.h>
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#include <sys/systm.h>
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#include <sys/malloc.h>
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#include <sys/pcpu.h>
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#include <sys/proc.h>
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#include <sys/limits.h>
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#include <sys/unistd.h>
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#include <sys/kthread.h>
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#include <sys/lock.h>
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#if __FreeBSD_version >= 1000030
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#include <sys/rwlock.h>
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#endif
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#include <sys/mutex.h>
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#include <sys/sched.h>
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#include <sys/callout.h>
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#include <sys/cpu.h>
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#include <sys/smp.h>
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#include <sys/sleepqueue.h>
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#include <sys/sx.h>
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#include <vm/vm.h>
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#include <vm/pmap.h> /* for vtophys */
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#include <vm/vm_map.h>
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#include <vm/vm_object.h>
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#include <vm/vm_kern.h>
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#include <vm/vm_param.h> /* KERN_SUCCESS ++ */
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#include <vm/vm_page.h>
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#include <vm/vm_phys.h> /* vm_phys_alloc_* */
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#include <vm/vm_extern.h> /* kmem_alloc_attr */
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#include <vm/vm_pageout.h> /* vm_contig_grow_cache */
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#include <sys/vmmeter.h> /* cnt */
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#include <sys/resourcevar.h>
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#include <machine/cpu.h>
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync/**
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync * Wrappers around the sleepq_ KPI.
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync */
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#if __FreeBSD_version >= 800026
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync# define SLEEPQ_TIMEDWAIT(EventInt) sleepq_timedwait(EventInt, 0)
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync# define SLEEPQ_TIMEDWAIT_SIG(EventInt) sleepq_timedwait_sig(EventInt, 0)
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync# define SLEEPQ_WAIT(EventInt) sleepq_wait(EventInt, 0)
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync# define SLEEPQ_WAIT_SIG(EventInt) sleepq_wait_sig(EventInt, 0)
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#else
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync# define SLEEPQ_TIMEDWAIT(EventInt) sleepq_timedwait(EventInt)
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync# define SLEEPQ_TIMEDWAIT_SIG(EventInt) sleepq_timedwait_sig(EventInt)
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync# define SLEEPQ_WAIT(EventInt) sleepq_wait(EventInt)
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync# define SLEEPQ_WAIT_SIG(EventInt) sleepq_wait_sig(EventInt)
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#endif
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync/**
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync * Our pmap_enter version
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync */
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#if __FreeBSD_version >= 701105
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync# define MY_PMAP_ENTER(pPhysMap, AddrR3, pPage, fProt, fWired) \
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync pmap_enter(pPhysMap, AddrR3, VM_PROT_NONE, pPage, fProt, fWired)
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#else
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync# define MY_PMAP_ENTER(pPhysMap, AddrR3, pPage, fProt, fWired) \
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync pmap_enter(pPhysMap, AddrR3, pPage, fProt, fWired)
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#endif
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync/**
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync * Check whether we can use kmem_alloc_attr for low allocs.
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync */
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#if (__FreeBSD_version >= 900011) \
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync || (__FreeBSD_version < 900000 && __FreeBSD_version >= 800505) \
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync || (__FreeBSD_version < 800000 && __FreeBSD_version >= 703101)
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync# define USE_KMEM_ALLOC_ATTR
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#endif
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync/**
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync * Check whether we can use kmem_alloc_prot.
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync */
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#if 0 /** @todo Not available yet. */
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync# define USE_KMEM_ALLOC_PROT
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#endif
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync#endif
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync