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Diffstat (limited to 'sys/sparc64/include/bus_private.h')
| -rw-r--r-- | sys/sparc64/include/bus_private.h | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/sys/sparc64/include/bus_private.h b/sys/sparc64/include/bus_private.h deleted file mode 100644 index 57f25a678c81..000000000000 --- a/sys/sparc64/include/bus_private.h +++ /dev/null @@ -1,82 +0,0 @@ -/*- - * SPDX-License-Identifier: BSD-2-Clause-FreeBSD - * - * Copyright (c) 1997, 1998 Justin T. Gibbs. - * Copyright (c) 2002 by Thomas Moestl <tmm@FreeBSD.org>. - * All rights reserved. - * - * 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 AUTHOR ``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 AUTHOR 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. - * - * from: FreeBSD: src/sys/i386/i386/busdma_machdep.c,v 1.25 2002/01/05 - * - * $FreeBSD$ - */ - -#ifndef _MACHINE_BUS_PRIVATE_H_ -#define _MACHINE_BUS_PRIVATE_H_ - -#include <sys/queue.h> - -/* - * Helpers - */ -int sparc64_bus_mem_map(bus_space_tag_t tag, bus_addr_t addr, bus_size_t size, - int flags, vm_offset_t vaddr, bus_space_handle_t *hp); -int sparc64_bus_mem_unmap(bus_space_tag_t tag, bus_space_handle_t handle, - bus_size_t size); -bus_space_tag_t sparc64_alloc_bus_tag(void *cookie, int type); -bus_space_handle_t sparc64_fake_bustag(int space, bus_addr_t addr, - struct bus_space_tag *ptag); - -struct bus_dmamap_res { - struct resource *dr_res; - bus_size_t dr_used; - SLIST_ENTRY(bus_dmamap_res) dr_link; -}; - -/* - * Callers of the bus_dma interfaces must always protect their tags and maps - * appropriately against concurrent access. However, when a map is on a LRU - * queue, there is a second access path to it; for this case, the locking rules - * are given in the parenthesized comments below: - * q - locked by the mutex protecting the queue. - * p - private to the owner of the map, no access through the queue. - * * - comment refers to pointer target. - * Only the owner of the map is allowed to insert the map into a queue. Removal - * and repositioning (i.e. temporal removal and reinsertion) is allowed to all - * if the queue lock is held. - */ -struct bus_dmamap { - TAILQ_ENTRY(bus_dmamap) dm_maplruq; /* (q) */ - SLIST_HEAD(, bus_dmamap_res) dm_reslist; /* (q, *q) */ - int dm_onq; /* (q) */ - int dm_flags; /* (p) */ -}; - -/* Flag values */ -#define DMF_LOADED (1 << 0) /* Map is loaded. */ -#define DMF_COHERENT (1 << 1) /* Coherent mapping requested. */ -#define DMF_STREAMED (1 << 2) /* Streaming cache used. */ - -int sparc64_dma_alloc_map(bus_dma_tag_t dmat, bus_dmamap_t *mapp); -void sparc64_dma_free_map(bus_dma_tag_t dmat, bus_dmamap_t map); - -#endif /* !_MACHINE_BUS_PRIVATE_H_ */ |