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firewire.h
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firewire_phy.h
(2.91 KB)
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firewirereg.h
(8.59 KB)
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fwdma.h
(3.65 KB)
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fwmem.h
(2.48 KB)
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fwohcireg.h
(13.21 KB)
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fwohcivar.h
(3.09 KB)
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fwphyreg.h
(3.67 KB)
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iec13213.h
(7.49 KB)
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iec68113.h
(3.5 KB)
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if_fwevar.h
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if_fwipvar.h
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sbp.h
(5.39 KB)
Editing: fwdma.h
/*- * SPDX-License-Identifier: BSD-4-Clause * * Copyright (C) 2003 * Hidetoshi Shimokawa. 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. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * * This product includes software developed by Hidetoshi Shimokawa. * * 4. Neither the name of the author nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. * * $FreeBSD$ */ struct fwdma_alloc { bus_dma_tag_t dma_tag; bus_dmamap_t dma_map; void *v_addr; bus_addr_t bus_addr; }; struct fwdma_seg { bus_dmamap_t dma_map; void *v_addr; bus_addr_t bus_addr; }; struct fwdma_alloc_multi { bus_size_t ssize; bus_size_t esize; int nseg; bus_dma_tag_t dma_tag; struct fwdma_seg seg[0]; }; static __inline void * fwdma_v_addr(struct fwdma_alloc_multi *am, int index) { bus_size_t ssize = am->ssize; int offset = am->esize * index; return ((caddr_t)am->seg[offset / ssize].v_addr + (offset % ssize)); } static __inline bus_addr_t fwdma_bus_addr(struct fwdma_alloc_multi *am, int index) { bus_size_t ssize = am->ssize; int offset = am->esize * index; return (am->seg[offset / ssize].bus_addr + (offset % ssize)); } static __inline void fwdma_sync(struct fwdma_alloc *dma, bus_dmasync_op_t op) { bus_dmamap_sync(dma->dma_tag, dma->dma_map, op); } static __inline void fwdma_sync_multiseg(struct fwdma_alloc_multi *am, int start, int end, bus_dmasync_op_t op) { struct fwdma_seg *seg, *eseg; seg = &am->seg[am->esize * start / am->ssize]; eseg = &am->seg[am->esize * end / am->ssize]; for (; seg <= eseg; seg++) bus_dmamap_sync(am->dma_tag, seg->dma_map, op); } static __inline void fwdma_sync_multiseg_all(struct fwdma_alloc_multi *am, bus_dmasync_op_t op) { struct fwdma_seg *seg; int i; seg = &am->seg[0]; for (i = 0; i < am->nseg; i++, seg++) bus_dmamap_sync(am->dma_tag, seg->dma_map, op); } void *fwdma_malloc(struct firewire_comm *, int, bus_size_t, struct fwdma_alloc *, int); void fwdma_free(struct firewire_comm *, struct fwdma_alloc *); void *fwdma_malloc_size(bus_dma_tag_t, bus_dmamap_t *, bus_size_t, bus_addr_t *, int); void fwdma_free_size(bus_dma_tag_t, bus_dmamap_t, void *, bus_size_t); struct fwdma_alloc_multi *fwdma_malloc_multiseg(struct firewire_comm *, int, int, int, int); void fwdma_free_multiseg(struct fwdma_alloc_multi *);
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