io-mapping.h revision 1.13
1 1.13 riastrad /* $NetBSD: io-mapping.h,v 1.13 2021/12/19 12:28:04 riastradh Exp $ */ 2 1.2 riastrad 3 1.2 riastrad /*- 4 1.2 riastrad * Copyright (c) 2013 The NetBSD Foundation, Inc. 5 1.2 riastrad * All rights reserved. 6 1.2 riastrad * 7 1.2 riastrad * This code is derived from software contributed to The NetBSD Foundation 8 1.2 riastrad * by Taylor R. Campbell. 9 1.2 riastrad * 10 1.2 riastrad * Redistribution and use in source and binary forms, with or without 11 1.2 riastrad * modification, are permitted provided that the following conditions 12 1.2 riastrad * are met: 13 1.2 riastrad * 1. Redistributions of source code must retain the above copyright 14 1.2 riastrad * notice, this list of conditions and the following disclaimer. 15 1.2 riastrad * 2. Redistributions in binary form must reproduce the above copyright 16 1.2 riastrad * notice, this list of conditions and the following disclaimer in the 17 1.2 riastrad * documentation and/or other materials provided with the distribution. 18 1.2 riastrad * 19 1.2 riastrad * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.2 riastrad * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.2 riastrad * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.2 riastrad * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.2 riastrad * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.2 riastrad * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.2 riastrad * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.2 riastrad * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.2 riastrad * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.2 riastrad * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.2 riastrad * POSSIBILITY OF SUCH DAMAGE. 30 1.2 riastrad */ 31 1.2 riastrad 32 1.2 riastrad #ifndef _LINUX_IO_MAPPING_H_ 33 1.2 riastrad #define _LINUX_IO_MAPPING_H_ 34 1.2 riastrad 35 1.13 riastrad #include <sys/types.h> 36 1.13 riastrad 37 1.2 riastrad #include <sys/bus.h> 38 1.2 riastrad 39 1.13 riastrad #define bus_space_io_mapping_init_wc linux_bus_space_io_mapping_init_wc 40 1.13 riastrad #define bus_space_io_mapping_create_wc linux_bus_space_io_mapping_create_wc 41 1.13 riastrad #define io_mapping_fini linux_io_mapping_fini 42 1.13 riastrad #define io_mapping_free linux_io_mapping_free 43 1.13 riastrad #define io_mapping_map_wc linux_io_mapping_map_wc 44 1.13 riastrad #define io_mapping_unmap linux_io_mapping_unmap 45 1.13 riastrad #define io_mapping_map_atomic_wc linux_io_mapping_map_atomic_wc 46 1.13 riastrad #define io_mapping_unmap_atomic linux_io_mapping_unmap_atomic 47 1.3 riastrad 48 1.2 riastrad struct io_mapping { 49 1.2 riastrad bus_space_tag_t diom_bst; 50 1.9 riastrad bus_addr_t base; /* Linux API */ 51 1.8 riastrad bus_size_t size; /* Linux API */ 52 1.3 riastrad vaddr_t diom_va; 53 1.10 riastrad bool diom_atomic; 54 1.2 riastrad }; 55 1.2 riastrad 56 1.13 riastrad bool bus_space_io_mapping_init_wc(bus_space_tag_t, struct io_mapping *, 57 1.13 riastrad bus_addr_t, bus_size_t); 58 1.13 riastrad void io_mapping_fini(struct io_mapping *); 59 1.13 riastrad 60 1.13 riastrad struct io_mapping *bus_space_io_mapping_create_wc(bus_space_tag_t, bus_addr_t, 61 1.13 riastrad bus_size_t); 62 1.13 riastrad void io_mapping_free(struct io_mapping *); 63 1.10 riastrad 64 1.13 riastrad void *io_mapping_map_wc(struct io_mapping *, bus_addr_t, bus_size_t); 65 1.13 riastrad void io_mapping_unmap(struct io_mapping *, void *, bus_size_t); 66 1.10 riastrad 67 1.13 riastrad void *io_mapping_map_atomic_wc(struct io_mapping *, bus_addr_t); 68 1.13 riastrad void io_mapping_unmap_atomic(struct io_mapping *, void *); 69 1.2 riastrad 70 1.2 riastrad #endif /* _LINUX_IO_MAPPING_H_ */ 71
Indexes created Mon Sep 22 10:09:38 GMT 2025