/* $NetBSD: tlb.h,v 1.4 2017/06/24 05:31:03 skrll Exp $ */ /*- * Copyright (c) 2011 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Matt Thomas of 3am Software Foundry. * * 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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. */ #ifndef _UVM_PMAP_TLB_H_ #define _UVM_PMAP_TLB_H_ #if defined(_KERNEL) || defined(_KMEMUSER) struct tlbmask; typedef bool (*tlb_walkfunc_t)(void *, vaddr_t, tlb_asid_t, pt_entry_t); struct tlb_md_ops { void (*md_tlb_set_asid)(tlb_asid_t); tlb_asid_t (*md_tlb_get_asid)(void); void (*md_tlb_invalidate_all)(void); void (*md_tlb_invalidate_globals)(void); void (*md_tlb_invalidate_asids)(tlb_asid_t, tlb_asid_t); void (*md_tlb_invalidate_addr)(vaddr_t, tlb_asid_t); bool (*md_tlb_update_addr)(vaddr_t, tlb_asid_t, pt_entry_t, bool); void (*md_tlb_read_entry)(size_t, struct tlbmask *); void (*md_tlb_write_entry)(size_t, const struct tlbmask *); u_int (*md_tlb_record_asids)(u_long *, tlb_asid_t); void (*md_tlb_dump)(void (*)(const char *, ...)); void (*md_tlb_walk)(void *, tlb_walkfunc_t); }; tlb_asid_t tlb_get_asid(void); void tlb_set_asid(tlb_asid_t); void tlb_invalidate_all(void); void tlb_invalidate_globals(void); void tlb_invalidate_asids(tlb_asid_t, tlb_asid_t); void tlb_invalidate_addr(vaddr_t, tlb_asid_t); bool tlb_update_addr(vaddr_t, tlb_asid_t, pt_entry_t, bool); u_int tlb_record_asids(u_long *, tlb_asid_t); void tlb_enter_addr(size_t, const struct tlbmask *); void tlb_read_entry(size_t, struct tlbmask *); void tlb_write_entry(size_t, const struct tlbmask *); void tlb_walk(void *, tlb_walkfunc_t); void tlb_dump(void (*)(const char *, ...)); #endif /* _KERNEL || _KMEMUSER */ #endif /* _UVM_PMAP_TLB_H_ */ |