1*84d9c625SLionel Sambuc /* $NetBSD: physmap.h,v 1.4 2013/04/08 01:33:53 uebayasi Exp $ */ 2*84d9c625SLionel Sambuc 3*84d9c625SLionel Sambuc /*- 4*84d9c625SLionel Sambuc * Copyright (c) 2013 The NetBSD Foundation, Inc. 5*84d9c625SLionel Sambuc * All rights reserved. 6*84d9c625SLionel Sambuc * 7*84d9c625SLionel Sambuc * This code is derived from software contributed to The NetBSD Foundation 8*84d9c625SLionel Sambuc * by Matt Thomas of 3am Software Foundry. 9*84d9c625SLionel Sambuc * 10*84d9c625SLionel Sambuc * Redistribution and use in source and binary forms, with or without 11*84d9c625SLionel Sambuc * modification, are permitted provided that the following conditions 12*84d9c625SLionel Sambuc * are met: 13*84d9c625SLionel Sambuc * 1. Redistributions of source code must retain the above copyright 14*84d9c625SLionel Sambuc * notice, this list of conditions and the following disclaimer. 15*84d9c625SLionel Sambuc * 2. Redistributions in binary form must reproduce the above copyright 16*84d9c625SLionel Sambuc * notice, this list of conditions and the following disclaimer in the 17*84d9c625SLionel Sambuc * documentation and/or other materials provided with the distribution. 18*84d9c625SLionel Sambuc * 19*84d9c625SLionel Sambuc * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20*84d9c625SLionel Sambuc * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21*84d9c625SLionel Sambuc * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22*84d9c625SLionel Sambuc * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23*84d9c625SLionel Sambuc * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24*84d9c625SLionel Sambuc * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25*84d9c625SLionel Sambuc * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26*84d9c625SLionel Sambuc * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27*84d9c625SLionel Sambuc * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28*84d9c625SLionel Sambuc * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29*84d9c625SLionel Sambuc * POSSIBILITY OF SUCH DAMAGE. 30*84d9c625SLionel Sambuc */ 31*84d9c625SLionel Sambuc 32*84d9c625SLionel Sambuc #ifndef _SYS_PHYSMAP_H_ 33*84d9c625SLionel Sambuc #define _SYS_PHYSMAP_H_ 34*84d9c625SLionel Sambuc 35*84d9c625SLionel Sambuc #if !defined(_KERNEL) && !defined(_KMEMUSER) 36*84d9c625SLionel Sambuc #error "not supposed to be exposed to userland" 37*84d9c625SLionel Sambuc #endif 38*84d9c625SLionel Sambuc 39*84d9c625SLionel Sambuc #include <sys/types.h> 40*84d9c625SLionel Sambuc #include <sys/uio.h> 41*84d9c625SLionel Sambuc #include <uvm/uvm_extern.h> 42*84d9c625SLionel Sambuc 43*84d9c625SLionel Sambuc typedef struct { 44*84d9c625SLionel Sambuc paddr_t ps_addr; 45*84d9c625SLionel Sambuc psize_t ps_len; 46*84d9c625SLionel Sambuc } physmap_segment_t; 47*84d9c625SLionel Sambuc 48*84d9c625SLionel Sambuc /* typedef is in <sys/types.h> */ 49*84d9c625SLionel Sambuc struct physmap { 50*84d9c625SLionel Sambuc uint16_t pm_nsegs; 51*84d9c625SLionel Sambuc uint16_t pm_maxsegs; 52*84d9c625SLionel Sambuc physmap_segment_t pm_segs[0]; 53*84d9c625SLionel Sambuc }; 54*84d9c625SLionel Sambuc 55*84d9c625SLionel Sambuc int physmap_create_iov(physmap_t **, const struct vmspace *, 56*84d9c625SLionel Sambuc struct iovec *, size_t); 57*84d9c625SLionel Sambuc int physmap_create_linear(physmap_t **, const struct vmspace *, 58*84d9c625SLionel Sambuc vaddr_t, vsize_t); 59*84d9c625SLionel Sambuc physmap_t * 60*84d9c625SLionel Sambuc physmap_create_pagelist(struct vm_page **, size_t); 61*84d9c625SLionel Sambuc 62*84d9c625SLionel Sambuc void physmap_destroy(physmap_t *); 63*84d9c625SLionel Sambuc 64*84d9c625SLionel Sambuc void * physmap_map_init(physmap_t *, size_t, vm_prot_t); 65*84d9c625SLionel Sambuc size_t physmap_map(void *, vaddr_t *); 66*84d9c625SLionel Sambuc void physmap_map_fini(void *); 67*84d9c625SLionel Sambuc 68*84d9c625SLionel Sambuc void physmap_zero(physmap_t *, size_t, size_t); 69*84d9c625SLionel Sambuc 70*84d9c625SLionel Sambuc #endif /* _SYS_PHYSMAP_H_ */ 71