1/* $NetBSD: scsipi_base.h,v 1.21 2006/11/16 01:33:26 christos Exp $ */ 2 3/*- 4 * Copyright (c) 1998, 2004 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Charles M. Hannum. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32#ifndef _DEV_SCSIPI_SCSIPI_BASE_H_ 33#define _DEV_SCSIPI_SCSIPI_BASE_H_ 34 35struct scsipi_xfer *scsipi_get_xs(struct scsipi_periph *, int); 36void scsipi_put_xs(struct scsipi_xfer *); 37 38static __inline struct scsipi_xfer *scsipi_make_xs(struct scsipi_periph *, 39 struct scsipi_generic *, int cmdlen, u_char *data_addr, 40 int datalen, int retries, int timeout, struct buf *, 41 int flags) __unused; 42 43/* 44 * Make a scsipi_xfer, and return a pointer to it. 45 */ 46 47static __inline struct scsipi_xfer * 48scsipi_make_xs(struct scsipi_periph *periph, struct scsipi_generic *cmd, 49 int cmdlen, u_char *data_addr, int datalen, int retries, int timeout, 50 struct buf *bp, int flags) 51{ 52 struct scsipi_xfer *xs; 53 54 if ((xs = scsipi_get_xs(periph, flags)) == NULL) 55 return (NULL); 56 57 /* 58 * Fill out the scsipi_xfer structure. We don't know whose context 59 * the cmd is in, so copy it. 60 */ 61 memcpy(&xs->cmdstore, cmd, cmdlen); 62 xs->cmd = &xs->cmdstore; 63 xs->cmdlen = cmdlen; 64 xs->data = data_addr; 65 xs->datalen = datalen; 66 xs->xs_retries = retries; 67 xs->timeout = timeout; 68 xs->bp = bp; 69 70 return (xs); 71} 72 73#endif /* _DEV_SCSIPI_SCSIPI_BASE_H_ */ 74