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/*-
* Copyright (c) 2002-2006 Rice University
* Copyright (c) 2007 Alan L. Cox <alc@cs.rice.edu>
* All rights reserved.
*
* This software was developed for the FreeBSD Project by Alan L. Cox,
* Olivier Crameri, Peter Druschel, Sitaram Iyer, and Juan Navarro.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
* WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD: release/9.1.0/sys/vm/vm_phys.h 236924 2012-06-11 21:19:59Z kib $
*/
/*
* Physical memory system definitions
*/
#ifndef _VM_PHYS_H_
#define _VM_PHYS_H_
#ifdef _KERNEL
/* Domains must be dense (non-sparse) and zero-based. */
struct mem_affinity {
vm_paddr_t start;
vm_paddr_t end;
int domain;
};
extern struct mem_affinity *mem_affinity;
void vm_phys_add_page(vm_paddr_t pa);
vm_page_t vm_phys_alloc_contig(unsigned long npages,
vm_paddr_t low, vm_paddr_t high,
unsigned long alignment, unsigned long boundary);
vm_page_t vm_phys_alloc_freelist_pages(int flind, int pool, int order);
vm_page_t vm_phys_alloc_pages(int pool, int order);
vm_paddr_t vm_phys_bootstrap_alloc(vm_size_t size, unsigned long alignment);
int vm_phys_fictitious_reg_range(vm_paddr_t start, vm_paddr_t end,
vm_memattr_t memattr);
void vm_phys_fictitious_unreg_range(vm_paddr_t start, vm_paddr_t end);
vm_page_t vm_phys_fictitious_to_vm_page(vm_paddr_t pa);
void vm_phys_free_pages(vm_page_t m, int order);
void vm_phys_init(void);
void vm_phys_set_pool(int pool, vm_page_t m, int order);
boolean_t vm_phys_unfree_page(vm_page_t m);
boolean_t vm_phys_zero_pages_idle(void);
#endif /* _KERNEL */
#endif /* !_VM_PHYS_H_ */