1 /* $NetBSD: scsipi_base.h,v 1.12 2001/07/18 18:25:41 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 1998 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 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 struct scsipi_xfer *scsipi_get_xs __P((struct scsipi_periph *, int)); 40 void scsipi_put_xs __P((struct scsipi_xfer *)); 41 42 static __inline struct scsipi_xfer *scsipi_make_xs __P((struct scsipi_periph *, 43 struct scsipi_generic *, int cmdlen, u_char *data_addr, 44 int datalen, int retries, int timeout, struct buf *, 45 int flags)) __attribute__ ((__unused__)); 46 47 /* 48 * Make a scsipi_xfer, and return a pointer to it. 49 */ 50 51 static __inline struct scsipi_xfer * 52 scsipi_make_xs(periph, scsipi_cmd, cmdlen, data_addr, datalen, 53 retries, timeout, bp, flags) 54 struct scsipi_periph *periph; 55 struct scsipi_generic *scsipi_cmd; 56 int cmdlen; 57 u_char *data_addr; 58 int datalen; 59 int retries; 60 int timeout; 61 struct buf *bp; 62 int flags; 63 { 64 struct scsipi_xfer *xs; 65 66 if ((xs = scsipi_get_xs(periph, flags)) == NULL) 67 return (NULL); 68 69 /* 70 * Fill out the scsipi_xfer structure. We don't know whose context 71 * the cmd is in, so copy it. 72 */ 73 memcpy(&xs->cmdstore, scsipi_cmd, cmdlen); 74 xs->cmd = &xs->cmdstore; 75 xs->cmdlen = cmdlen; 76 xs->data = data_addr; 77 xs->datalen = datalen; 78 xs->xs_retries = retries; 79 xs->timeout = timeout; 80 xs->bp = bp; 81 82 return (xs); 83 } 84