iommuvar.h revision 1.2.2.2
1 1.2.2.2 thorpej /* $NetBSD: iommuvar.h,v 1.2.2.2 1999/06/21 01:02:31 thorpej Exp $ */ 2 1.2.2.2 thorpej 3 1.2.2.2 thorpej /* 4 1.2.2.2 thorpej * Copyright (c) 1999 Matthew R. Green 5 1.2.2.2 thorpej * All rights reserved. 6 1.2.2.2 thorpej * 7 1.2.2.2 thorpej * Redistribution and use in source and binary forms, with or without 8 1.2.2.2 thorpej * modification, are permitted provided that the following conditions 9 1.2.2.2 thorpej * are met: 10 1.2.2.2 thorpej * 1. Redistributions of source code must retain the above copyright 11 1.2.2.2 thorpej * notice, this list of conditions and the following disclaimer. 12 1.2.2.2 thorpej * 2. Redistributions in binary form must reproduce the above copyright 13 1.2.2.2 thorpej * notice, this list of conditions and the following disclaimer in the 14 1.2.2.2 thorpej * documentation and/or other materials provided with the distribution. 15 1.2.2.2 thorpej * 3. The name of the author may not be used to endorse or promote products 16 1.2.2.2 thorpej * derived from this software without specific prior written permission. 17 1.2.2.2 thorpej * 18 1.2.2.2 thorpej * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 1.2.2.2 thorpej * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 1.2.2.2 thorpej * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 1.2.2.2 thorpej * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 1.2.2.2 thorpej * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 23 1.2.2.2 thorpej * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 24 1.2.2.2 thorpej * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 25 1.2.2.2 thorpej * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 26 1.2.2.2 thorpej * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 1.2.2.2 thorpej * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 1.2.2.2 thorpej * SUCH DAMAGE. 29 1.2.2.2 thorpej */ 30 1.2.2.2 thorpej 31 1.2.2.2 thorpej #ifndef _SPARC64_DEV_IOMMUVAR_H_ 32 1.2.2.2 thorpej #define _SPARC64_DEV_IOMMUVAR_H_ 33 1.2.2.2 thorpej 34 1.2.2.2 thorpej /* 35 1.2.2.2 thorpej * per-IOMMU state 36 1.2.2.2 thorpej */ 37 1.2.2.2 thorpej struct iommu_state { 38 1.2.2.2 thorpej paddr_t is_ptsb; /* TSB physical address */ 39 1.2.2.2 thorpej int64_t *is_tsb; /* TSB virtual address */ 40 1.2.2.2 thorpej int is_tsbsize; /* 0 = 8K, ... */ 41 1.2.2.2 thorpej u_int is_dvmabase; 42 1.2.2.2 thorpej int64_t is_cr; /* IOMMU control regiter value */ 43 1.2.2.2 thorpej struct extent *is_dvmamap; /* DVMA map for this instance */ 44 1.2.2.2 thorpej 45 1.2.2.2 thorpej paddr_t is_flushpa; /* used to flush the SBUS */ 46 1.2.2.2 thorpej /* Needs to be volatile or egcs optimizes away loads */ 47 1.2.2.2 thorpej volatile int64_t is_flush; 48 1.2.2.2 thorpej 49 1.2.2.2 thorpej /* copies of our parents state, to allow us to be self contained */ 50 1.2.2.2 thorpej bus_space_tag_t is_bustag; /* our bus tag */ 51 1.2.2.2 thorpej struct iommureg *is_iommu; /* IOMMU registers */ 52 1.2.2.2 thorpej struct iommu_strbuf *is_sb; /* streaming buffer */ 53 1.2.2.2 thorpej }; 54 1.2.2.2 thorpej 55 1.2.2.2 thorpej /* interfaces for PCI/SBUS code */ 56 1.2.2.2 thorpej void iommu_init __P((char *, struct iommu_state *, int)); 57 1.2.2.2 thorpej void iommu_reset __P((struct iommu_state *)); 58 1.2.2.2 thorpej void iommu_enter __P((struct iommu_state *, vaddr_t, int64_t, int)); 59 1.2.2.2 thorpej void iommu_remove __P((struct iommu_state *, vaddr_t, size_t)); 60 1.2.2.2 thorpej int iommu_flush __P((struct iommu_state *)); 61 1.2.2.2 thorpej 62 1.2.2.2 thorpej #endif /* _SPARC64_DEV_IOMMUVAR_H_ */ 63
Indexes created Thu Oct 16 14:10:15 GMT 2025