Annotation of sys/dev/usb/usb_mem.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: usb_mem.h,v 1.11 2005/06/10 04:11:48 martin Exp $ */
! 2: /* $NetBSD: usb_mem.h,v 1.20 2003/05/03 18:11:42 wiz Exp $ */
! 3: /* $FreeBSD: src/sys/dev/usb/usb_mem.h,v 1.9 1999/11/17 22:33:47 n_hibma Exp $ */
! 4:
! 5: /*
! 6: * Copyright (c) 1998 The NetBSD Foundation, Inc.
! 7: * All rights reserved.
! 8: *
! 9: * This code is derived from software contributed to The NetBSD Foundation
! 10: * by Lennart Augustsson (lennart@augustsson.net) at
! 11: * Carlstedt Research & Technology.
! 12: *
! 13: * Redistribution and use in source and binary forms, with or without
! 14: * modification, are permitted provided that the following conditions
! 15: * are met:
! 16: * 1. Redistributions of source code must retain the above copyright
! 17: * notice, this list of conditions and the following disclaimer.
! 18: * 2. Redistributions in binary form must reproduce the above copyright
! 19: * notice, this list of conditions and the following disclaimer in the
! 20: * documentation and/or other materials provided with the distribution.
! 21: * 3. All advertising materials mentioning features or use of this software
! 22: * must display the following acknowledgement:
! 23: * This product includes software developed by the NetBSD
! 24: * Foundation, Inc. and its contributors.
! 25: * 4. Neither the name of The NetBSD Foundation nor the names of its
! 26: * contributors may be used to endorse or promote products derived
! 27: * from this software without specific prior written permission.
! 28: *
! 29: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
! 30: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! 31: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! 32: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
! 33: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! 34: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! 35: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! 36: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! 37: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! 38: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! 39: * POSSIBILITY OF SUCH DAMAGE.
! 40: */
! 41:
! 42: typedef struct usb_dma_block {
! 43: bus_dma_tag_t tag;
! 44: bus_dmamap_t map;
! 45: caddr_t kaddr;
! 46: bus_dma_segment_t segs[1];
! 47: int nsegs;
! 48: size_t size;
! 49: size_t align;
! 50: int fullblock;
! 51: LIST_ENTRY(usb_dma_block) next;
! 52: } usb_dma_block_t;
! 53:
! 54: #define DMAADDR(dma, o) ((dma)->block->map->dm_segs[0].ds_addr + (dma)->offs + (o))
! 55: #define KERNADDR(dma, o) \
! 56: ((void *)((char *)((dma)->block->kaddr + (dma)->offs) + (o)))
! 57:
! 58: usbd_status usb_allocmem(usbd_bus_handle,size_t,size_t, usb_dma_t *);
! 59: void usb_freemem(usbd_bus_handle, usb_dma_t *);
CVSweb