13f9d41edSKonstantin Belousov /*- 24d846d26SWarner Losh * SPDX-License-Identifier: BSD-2-Clause 3ebf5747bSPedro F. Giffuni * 43f9d41edSKonstantin Belousov * Copyright (c) 2013 The FreeBSD Foundation 53f9d41edSKonstantin Belousov * 63f9d41edSKonstantin Belousov * This software was developed by Konstantin Belousov <kib@FreeBSD.org> 73f9d41edSKonstantin Belousov * under sponsorship from the FreeBSD Foundation. 83f9d41edSKonstantin Belousov * 93f9d41edSKonstantin Belousov * Redistribution and use in source and binary forms, with or without 103f9d41edSKonstantin Belousov * modification, are permitted provided that the following conditions 113f9d41edSKonstantin Belousov * are met: 123f9d41edSKonstantin Belousov * 1. Redistributions of source code must retain the above copyright 133f9d41edSKonstantin Belousov * notice, this list of conditions and the following disclaimer. 143f9d41edSKonstantin Belousov * 2. Redistributions in binary form must reproduce the above copyright 153f9d41edSKonstantin Belousov * notice, this list of conditions and the following disclaimer in the 163f9d41edSKonstantin Belousov * documentation and/or other materials provided with the distribution. 173f9d41edSKonstantin Belousov * 183f9d41edSKonstantin Belousov * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 193f9d41edSKonstantin Belousov * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 203f9d41edSKonstantin Belousov * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 213f9d41edSKonstantin Belousov * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 223f9d41edSKonstantin Belousov * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 233f9d41edSKonstantin Belousov * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 243f9d41edSKonstantin Belousov * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 253f9d41edSKonstantin Belousov * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 263f9d41edSKonstantin Belousov * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 273f9d41edSKonstantin Belousov * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 283f9d41edSKonstantin Belousov * SUCH DAMAGE. 293f9d41edSKonstantin Belousov */ 303f9d41edSKonstantin Belousov 313f9d41edSKonstantin Belousov #ifndef __X86_BUSDMA_IMPL_H 323f9d41edSKonstantin Belousov #define __X86_BUSDMA_IMPL_H 333f9d41edSKonstantin Belousov 343f9d41edSKonstantin Belousov struct bus_dma_tag_common { 353f9d41edSKonstantin Belousov struct bus_dma_impl *impl; 363f9d41edSKonstantin Belousov bus_size_t alignment; 373f9d41edSKonstantin Belousov bus_addr_t boundary; 383f9d41edSKonstantin Belousov bus_addr_t lowaddr; 393f9d41edSKonstantin Belousov bus_addr_t highaddr; 403f9d41edSKonstantin Belousov bus_size_t maxsize; 413f9d41edSKonstantin Belousov u_int nsegments; 423f9d41edSKonstantin Belousov bus_size_t maxsegsz; 433f9d41edSKonstantin Belousov int flags; 443f9d41edSKonstantin Belousov bus_dma_lock_t *lockfunc; 453f9d41edSKonstantin Belousov void *lockfuncarg; 466f4acaf4SJeff Roberson int domain; 473f9d41edSKonstantin Belousov }; 483f9d41edSKonstantin Belousov 493f9d41edSKonstantin Belousov struct bus_dma_impl { 503f9d41edSKonstantin Belousov int (*tag_create)(bus_dma_tag_t parent, 513f9d41edSKonstantin Belousov bus_size_t alignment, bus_addr_t boundary, bus_addr_t lowaddr, 52900907f4SMitchell Horne bus_addr_t highaddr, bus_size_t maxsize, int nsegments, 533f9d41edSKonstantin Belousov bus_size_t maxsegsz, int flags, bus_dma_lock_t *lockfunc, 543f9d41edSKonstantin Belousov void *lockfuncarg, bus_dma_tag_t *dmat); 553f9d41edSKonstantin Belousov int (*tag_destroy)(bus_dma_tag_t dmat); 566f4acaf4SJeff Roberson int (*tag_set_domain)(bus_dma_tag_t); 57b961c0f2STycho Nightingale bool (*id_mapped)(bus_dma_tag_t, vm_paddr_t, bus_size_t); 583f9d41edSKonstantin Belousov int (*map_create)(bus_dma_tag_t dmat, int flags, bus_dmamap_t *mapp); 593f9d41edSKonstantin Belousov int (*map_destroy)(bus_dma_tag_t dmat, bus_dmamap_t map); 603f9d41edSKonstantin Belousov int (*mem_alloc)(bus_dma_tag_t dmat, void** vaddr, int flags, 613f9d41edSKonstantin Belousov bus_dmamap_t *mapp); 623f9d41edSKonstantin Belousov void (*mem_free)(bus_dma_tag_t dmat, void *vaddr, bus_dmamap_t map); 633f9d41edSKonstantin Belousov int (*load_ma)(bus_dma_tag_t dmat, bus_dmamap_t map, 643f9d41edSKonstantin Belousov struct vm_page **ma, bus_size_t tlen, int ma_offs, int flags, 653f9d41edSKonstantin Belousov bus_dma_segment_t *segs, int *segp); 663f9d41edSKonstantin Belousov int (*load_phys)(bus_dma_tag_t dmat, bus_dmamap_t map, 673f9d41edSKonstantin Belousov vm_paddr_t buf, bus_size_t buflen, int flags, 683f9d41edSKonstantin Belousov bus_dma_segment_t *segs, int *segp); 693f9d41edSKonstantin Belousov int (*load_buffer)(bus_dma_tag_t dmat, bus_dmamap_t map, 70eb36b1d0SJason A. Harmening void *buf, bus_size_t buflen, struct pmap *pmap, int flags, 713f9d41edSKonstantin Belousov bus_dma_segment_t *segs, int *segp); 723f9d41edSKonstantin Belousov void (*map_waitok)(bus_dma_tag_t dmat, bus_dmamap_t map, 733f9d41edSKonstantin Belousov struct memdesc *mem, bus_dmamap_callback_t *callback, 743f9d41edSKonstantin Belousov void *callback_arg); 753f9d41edSKonstantin Belousov bus_dma_segment_t *(*map_complete)(bus_dma_tag_t dmat, bus_dmamap_t map, 763f9d41edSKonstantin Belousov bus_dma_segment_t *segs, int nsegs, int error); 773f9d41edSKonstantin Belousov void (*map_unload)(bus_dma_tag_t dmat, bus_dmamap_t map); 783f9d41edSKonstantin Belousov void (*map_sync)(bus_dma_tag_t dmat, bus_dmamap_t map, 793f9d41edSKonstantin Belousov bus_dmasync_op_t op); 80693c9516SMark Johnston #ifdef KMSAN 81693c9516SMark Johnston void (*load_kmsan)(bus_dmamap_t map, struct memdesc *mem); 82693c9516SMark Johnston #endif 833f9d41edSKonstantin Belousov }; 843f9d41edSKonstantin Belousov 853f9d41edSKonstantin Belousov int common_bus_dma_tag_create(struct bus_dma_tag_common *parent, 863f9d41edSKonstantin Belousov bus_size_t alignment, 873f9d41edSKonstantin Belousov bus_addr_t boundary, bus_addr_t lowaddr, bus_addr_t highaddr, 88900907f4SMitchell Horne bus_size_t maxsize, int nsegments, bus_size_t maxsegsz, int flags, 89900907f4SMitchell Horne bus_dma_lock_t *lockfunc, void *lockfuncarg, size_t sz, void **dmat); 903f9d41edSKonstantin Belousov 913f9d41edSKonstantin Belousov extern struct bus_dma_impl bus_dma_bounce_impl; 923f9d41edSKonstantin Belousov 933f9d41edSKonstantin Belousov #endif 94