ata.c revision 1.9
1 /* $NetBSD: ata.c,v 1.9 1999/04/15 09:41:09 bouyer 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 wdc_c.timeout = 1000; /* 1s */ 85 } else if (drvp->drive_flags & DRIVE_ATAPI) { 86 wdc_c.r_command = ATAPI_IDENTIFY_DEVICE; 87 wdc_c.r_st_bmask = 0; 88 wdc_c.r_st_pmask = WDCS_DRQ; 89 wdc_c.timeout = 10000; /* 10s */ 90 } else { 91 return CMD_ERR; 92 } 93 wdc_c.flags = AT_READ | flags; 94 wdc_c.data = tb; 95 wdc_c.bcount = DEV_BSIZE; 96 if (wdc_exec_command(drvp, &wdc_c) != WDC_COMPLETE) 97 return CMD_AGAIN; 98 if (wdc_c.flags & (AT_ERROR | AT_TIMEOU | AT_DF)) { 99 return CMD_ERR; 100 } else { 101 /* Read in parameter block. */ 102 memcpy(prms, tb, sizeof(struct ataparams)); 103 #if BYTE_ORDER == LITTLE_ENDIAN 104 /* 105 * Shuffle string byte order. 106 * ATAPI Mitsumi and NEC drives don't need this. 107 */ 108 if ((prms->atap_config & WDC_CFG_ATAPI_MASK) == 109 WDC_CFG_ATAPI && 110 ((prms->atap_model[0] == 'N' && 111 prms->atap_model[1] == 'E') || 112 (prms->atap_model[0] == 'F' && 113 prms->atap_model[1] == 'X'))) 114 return 0; 115 for (i = 0; i < sizeof(prms->atap_model); i += 2) { 116 p = (u_short *)(prms->atap_model + i); 117 *p = ntohs(*p); 118 } 119 for (i = 0; i < sizeof(prms->atap_serial); i += 2) { 120 p = (u_short *)(prms->atap_serial + i); 121 *p = ntohs(*p); 122 } 123 for (i = 0; i < sizeof(prms->atap_revision); i += 2) { 124 p = (u_short *)(prms->atap_revision + i); 125 *p = ntohs(*p); 126 } 127 #endif 128 return CMD_OK; 129 } 130 } 131 132 int 133 ata_set_mode(drvp, mode, flags) 134 struct ata_drive_datas *drvp; 135 u_int8_t mode; 136 u_int8_t flags; 137 { 138 struct wdc_command wdc_c; 139 140 WDCDEBUG_PRINT(("wdc_ata_set_mode=0x%x\n", mode), DEBUG_FUNCS); 141 memset(&wdc_c, 0, sizeof(struct wdc_command)); 142 143 wdc_c.r_command = SET_FEATURES; 144 wdc_c.r_st_bmask = 0; 145 wdc_c.r_st_pmask = 0; 146 wdc_c.r_precomp = WDSF_SET_MODE; 147 wdc_c.r_count = mode; 148 wdc_c.flags = AT_READ | flags; 149 wdc_c.timeout = 1000; /* 1s */ 150 if (wdc_exec_command(drvp, &wdc_c) != WDC_COMPLETE) 151 return CMD_AGAIN; 152 if (wdc_c.flags & (AT_ERROR | AT_TIMEOU | AT_DF)) { 153 return CMD_ERR; 154 } 155 return CMD_OK; 156 } 157 158 void 159 ata_perror(drvp, errno, buf) 160 struct ata_drive_datas *drvp; 161 int errno; 162 char *buf; 163 { 164 static char *errstr0_3[] = {"address mark not found", 165 "track 0 not found", "aborted command", "media change requested", 166 "id not found", "media changed", "uncorrectable data error", 167 "bad block detected"}; 168 static char *errstr4_5[] = {"", 169 "no media/write protected", "aborted command", 170 "media change requested", "id not found", "media changed", 171 "uncorrectable data error", "interface CRC error"}; 172 char **errstr; 173 int i; 174 char *sep = ""; 175 176 if (drvp->ata_vers >= 4) 177 errstr = errstr4_5; 178 else 179 errstr = errstr0_3; 180 181 if (errno == 0) { 182 sprintf(buf, "error not notified"); 183 } 184 185 for (i = 0; i < 8; i++) { 186 if (errno & (1 << i)) { 187 buf += sprintf(buf, "%s %s", sep, errstr[i]); 188 sep = ","; 189 } 190 } 191 } 192
Indexes created Tue Sep 23 07:09:52 GMT 2025