diff options
Diffstat (limited to 'sys/vm/vm_phys.h')
| -rw-r--r-- | sys/vm/vm_phys.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/sys/vm/vm_phys.h b/sys/vm/vm_phys.h new file mode 100644 index 0000000..4d34ccf --- /dev/null +++ b/sys/vm/vm_phys.h @@ -0,0 +1,52 @@ +/*- + * Copyright (c) 2002-2006 Rice University + * 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. + * + * $FreeBSD$ + */ + +/* + * Physical memory system definitions + */ + +#ifndef _VM_PHYS_H_ +#define _VM_PHYS_H_ + +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_pages(int pool, int order); +vm_page_t vm_phys_alloc_pages_locked(int pool, int order); +vm_paddr_t vm_phys_bootstrap_alloc(vm_size_t size, unsigned long alignment); +void vm_phys_free_pages(vm_page_t m, int order); +void vm_phys_free_pages_locked(vm_page_t m, int order); +void vm_phys_init(void); +boolean_t vm_phys_zero_pages_idle(void); + +#endif /* !_VM_PHYS_H_ */ |
