Home | History | Annotate | Line # | Download | only in xxboot 
      1 /*	$NetBSD: xx.c,v 1.5 2022/04/25 15:12:07 mlelstv Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2010 MINOURA Makoto.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     26  */
     27 
     28 #include <sys/param.h>
     29 #include <lib/libsa/stand.h>
     30 
     31 #include "xxboot.h"
     32 #include "iocs.h"
     33 
     34 int
     35 xxopen(struct open_file *f, ...)
     36 {
     37 
     38 	return 0;
     39 }
     40 
     41 int
     42 xxclose(struct open_file *f)
     43 {
     44 
     45 	return 0;
     46 }
     47 
     48 int
     49 xxstrategy(void *arg, int rw, daddr_t dblk, size_t size,
     50            void *buf, size_t *rsize)
     51 {
     52 
     53 	/*
     54 	 * dblk is (always?) in 512 bytes unit, even if CD (2048 byte/sect).
     55 	 * size is in byte.
     56 	 *
     57 	 * On SCSI HD, the position specified in raw_read() (1st argument)
     58 	 * counts from the beginning of the disk, not the beginning of the
     59 	 * partition.  On SCSI CD and floppy, SCSI_PARTTOP is zero.
     60 	 */
     61 #if defined(XXBOOT_DEBUG)
     62 	IOCS_B_PRINT("xxstrategy ");
     63 	print_hex(dblk, 8);
     64 	IOCS_B_PRINT(" len=");
     65 	print_hex(size, 8);
     66 	IOCS_B_PRINT("\r\n");
     67 #endif
     68 	if (size != 0) {
     69 		raw_read((uint32_t)(SCSI_PARTTOP + dblk), (uint32_t)size, buf);
     70 	}
     71 	if (rsize)
     72 		*rsize = size;
     73 	return 0;
     74 }
     75 
     76 int
     77 xxioctl(struct open_file *f, u_long cmd, void *data)
     78 {
     79 
     80 	return ENOTTY;
     81 }
     82 
     83