ata.c revision 1.6
1 /* $NetBSD: ata.c,v 1.6 1999/02/21 00:52:04 hubertf Exp $ */ 2 /* 3 * Copyright (c) 1998 Manuel Bouyer. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by Manuel Bouyer. 16 * 4. The name of the author may not be used to endorse or promote products 17 * derived from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef WDCDEBUG 32 #define WDCDEBUG 33 #endif /* WDCDEBUG */ 34 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/kernel.h> 38 #include <sys/file.h> 39 #include <sys/stat.h> 40 #include <sys/malloc.h> 41 #include <sys/device.h> 42 #include <sys/syslog.h> 43 44 #include <dev/ic/wdcreg.h> 45 #include <dev/ata/atareg.h> 46 #include <dev/ata/atavar.h> 47 48 #define DEBUG_FUNCS 0x08 49 #define DEBUG_PROBE 0x10 50 #ifdef WDCDEBUG 51 extern int wdcdebug_mask; /* init'ed in wdc.c */ 52 #define WDCDEBUG_PRINT(args, level) \ 53 if (wdcdebug_mask & (level)) \ 54 printf args 55 #else 56 #define WDCDEBUG_PRINT(args, level) 57 #endif 58 59 /* Get the disk's parameters */ 60 int 61 ata_get_params(drvp, flags, prms) 62 struct ata_drive_datas *drvp; 63 u_int8_t flags; 64 struct ataparams *prms; 65 { 66 char tb[DEV_BSIZE]; 67 struct wdc_command wdc_c; 68 69 #if BYTE_ORDER == LITTLE_ENDIAN 70 int i; 71 u_int16_t *p; 72 #endif 73 74 WDCDEBUG_PRINT(("wdc_ata_get_parms\n"), DEBUG_FUNCS); 75 76 memset(tb, 0, DEV_BSIZE); 77 memset(prms, 0, sizeof(struct ataparams)); 78 memset(&wdc_c, 0, sizeof(struct wdc_command)); 79 80 if (drvp->drive_flags & DRIVE_ATA) { 81 wdc_c.r_command = WDCC_IDENTIFY; 82 wdc_c.r_st_bmask = WDCS_DRDY; 83 wdc_c.r_st_pmask = WDCS_DRQ; 84 } else { 85 wdc_c.r_command = ATAPI_IDENTIFY_DEVICE; 86 wdc_c.r_st_bmask = 0; 87 wdc_c.r_st_pmask = WDCS_DRQ; 88 } 89 wdc_c.flags = AT_READ | flags; 90 wdc_c.timeout = 1000; /* 1s */ 91 wdc_c.data = tb; 92 wdc_c.bcount = DEV_BSIZE; 93 if (wdc_exec_command(drvp, &wdc_c) != WDC_COMPLETE) 94 return CMD_AGAIN; 95 if (wdc_c.flags & (AT_ERROR | AT_TIMEOU | AT_DF)) { 96 return CMD_ERR; 97 } else { 98 /* Read in parameter block. */ 99 memcpy(prms, tb, sizeof(struct ataparams)); 100 #if BYTE_ORDER == LITTLE_ENDIAN 101 /* 102 * Shuffle string byte order. 103 * ATAPI Mitsumi and NEC drives don't need this. 104 */ 105 if ((prms->atap_config & WDC_CFG_ATAPI_MASK) == 106 WDC_CFG_ATAPI && 107 ((prms->atap_model[0] == 'N' && 108 prms->atap_model[1] == 'E') || 109 (prms->atap_model[0] == 'F' && 110 prms->atap_model[1] == 'X'))) 111 return 0; 112 for (i = 0; i < sizeof(prms->atap_model); i += 2) { 113 p = (u_short *)(prms->atap_model + i); 114 *p = ntohs(*p); 115 } 116 for (i = 0; i < sizeof(prms->atap_serial); i += 2) { 117 p = (u_short *)(prms->atap_serial + i); 118 *p = ntohs(*p); 119 } 120 for (i = 0; i < sizeof(prms->atap_revision); i += 2) { 121 p = (u_short *)(prms->atap_revision + i); 122 *p = ntohs(*p); 123 } 124 #endif 125 return CMD_OK; 126 } 127 } 128 129 int 130 ata_set_mode(drvp, mode, flags) 131 struct ata_drive_datas *drvp; 132 u_int8_t mode; 133 u_int8_t flags; 134 { 135 struct wdc_command wdc_c; 136 137 WDCDEBUG_PRINT(("wdc_ata_set_mode=0x%x\n", mode), DEBUG_FUNCS); 138 memset(&wdc_c, 0, sizeof(struct wdc_command)); 139 140 wdc_c.r_command = SET_FEATURES; 141 wdc_c.r_st_bmask = 0; 142 wdc_c.r_st_pmask = 0; 143 wdc_c.r_precomp = WDSF_SET_MODE; 144 wdc_c.r_count = mode; 145 wdc_c.flags = AT_READ | flags; 146 wdc_c.timeout = 1000; /* 1s */ 147 if (wdc_exec_command(drvp, &wdc_c) != WDC_COMPLETE) 148 return CMD_AGAIN; 149 if (wdc_c.flags & (AT_ERROR | AT_TIMEOU | AT_DF)) { 150 return CMD_ERR; 151 } 152 return CMD_OK; 153 } 154 155 void 156 ata_perror(drvp, errno, buf) 157 struct ata_drive_datas *drvp; 158 int errno; 159 char *buf; 160 { 161 static char *errstr0_3[] = {"address mark not found", 162 "track 0 not found", "aborted command", "media change requested", 163 "id not found", "media changed", "uncorrectable data error", 164 "bad block detected"}; 165 static char *errstr4_5[] = {"", 166 "no media/write protected", "aborted command", 167 "media change requested", "id not found", "media changed", 168 "uncorrectable data error", "interface CRC error"}; 169 char **errstr; 170 int i; 171 char *sep = ""; 172 173 if (drvp->ata_vers >= 4) 174 errstr = errstr4_5; 175 else 176 errstr = errstr0_3; 177 178 if (errno == 0) { 179 sprintf(buf, "error not notified"); 180 } 181 182 for (i = 0; i < 8; i++) { 183 if (errno & (1 << i)) { 184 buf += sprintf(buf, "%s %s", sep, errstr[i]); 185 sep = ","; 186 } 187 } 188 } 189
Indexes created Wed Sep 24 05:09:52 GMT 2025