sata_subr.c revision 1.1.2.2
1 1.1.2.2 skrll /* $NetBSD: sata_subr.c,v 1.1.2.2 2004/08/03 10:45:46 skrll Exp $ */ 2 1.1.2.2 skrll 3 1.1.2.2 skrll /*- 4 1.1.2.2 skrll * Copyright (c) 2004 The NetBSD Foundation, Inc. 5 1.1.2.2 skrll * All rights reserved. 6 1.1.2.2 skrll * 7 1.1.2.2 skrll * This code is derived from software contributed to The NetBSD Foundation 8 1.1.2.2 skrll * by Jason R. Thorpe of Wasabi Systems, Inc. 9 1.1.2.2 skrll * 10 1.1.2.2 skrll * Redistribution and use in source and binary forms, with or without 11 1.1.2.2 skrll * modification, are permitted provided that the following conditions 12 1.1.2.2 skrll * are met: 13 1.1.2.2 skrll * 1. Redistributions of source code must retain the above copyright 14 1.1.2.2 skrll * notice, this list of conditions and the following disclaimer. 15 1.1.2.2 skrll * 2. Redistributions in binary form must reproduce the above copyright 16 1.1.2.2 skrll * notice, this list of conditions and the following disclaimer in the 17 1.1.2.2 skrll * documentation and/or other materials provided with the distribution. 18 1.1.2.2 skrll * 3. All advertising materials mentioning features or use of this software 19 1.1.2.2 skrll * must display the following acknowledgement: 20 1.1.2.2 skrll * This product includes software developed by the NetBSD 21 1.1.2.2 skrll * Foundation, Inc. and its contributors. 22 1.1.2.2 skrll * 4. Neither the name of The NetBSD Foundation nor the names of its 23 1.1.2.2 skrll * contributors may be used to endorse or promote products derived 24 1.1.2.2 skrll * from this software without specific prior written permission. 25 1.1.2.2 skrll * 26 1.1.2.2 skrll * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 1.1.2.2 skrll * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 1.1.2.2 skrll * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 1.1.2.2 skrll * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 1.1.2.2 skrll * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 1.1.2.2 skrll * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 1.1.2.2 skrll * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 1.1.2.2 skrll * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 1.1.2.2 skrll * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 1.1.2.2 skrll * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 1.1.2.2 skrll * POSSIBILITY OF SUCH DAMAGE. 37 1.1.2.2 skrll */ 38 1.1.2.2 skrll 39 1.1.2.2 skrll /* 40 1.1.2.2 skrll * Common functions for Serial ATA. 41 1.1.2.2 skrll */ 42 1.1.2.2 skrll 43 1.1.2.2 skrll #include <sys/param.h> 44 1.1.2.2 skrll 45 1.1.2.2 skrll #include <dev/ata/satareg.h> 46 1.1.2.2 skrll #include <dev/ata/satavar.h> 47 1.1.2.2 skrll 48 1.1.2.2 skrll /* 49 1.1.2.2 skrll * sata_speed: 50 1.1.2.2 skrll * 51 1.1.2.2 skrll * Return a string describing the port speed reported by 52 1.1.2.2 skrll * the port's SStatus register. 53 1.1.2.2 skrll */ 54 1.1.2.2 skrll const char * 55 1.1.2.2 skrll sata_speed(uint32_t sstatus) 56 1.1.2.2 skrll { 57 1.1.2.2 skrll static const char *sata_speedtab[] = { 58 1.1.2.2 skrll "no negotiated speed", 59 1.1.2.2 skrll "1.5Gb/s", 60 1.1.2.2 skrll "3.0GB/s", 61 1.1.2.2 skrll "<unknown 3>", 62 1.1.2.2 skrll "<unknown 4>", 63 1.1.2.2 skrll "<unknown 5>", 64 1.1.2.2 skrll "<unknown 6>", 65 1.1.2.2 skrll "<unknown 7>", 66 1.1.2.2 skrll "<unknown 8>", 67 1.1.2.2 skrll "<unknown 9>", 68 1.1.2.2 skrll "<unknown 10>", 69 1.1.2.2 skrll "<unknown 11>", 70 1.1.2.2 skrll "<unknown 12>", 71 1.1.2.2 skrll "<unknown 13>", 72 1.1.2.2 skrll "<unknown 14>", 73 1.1.2.2 skrll "<unknown 15>", 74 1.1.2.2 skrll }; 75 1.1.2.2 skrll 76 1.1.2.2 skrll return (sata_speedtab[(sstatus & SStatus_SPD_mask) >> 77 1.1.2.2 skrll SStatus_SPD_shift]); 78 1.1.2.2 skrll } 79
Indexes created Thu Oct 23 22:10:10 GMT 2025