ata.c revision 1.4
1 /* $NetBSD: ata.c,v 1.4 1999/01/18 20:06:24 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 #define WDCDEBUG 32 33 #include <sys/param.h> 34 #include <sys/systm.h> 35 #include <sys/kernel.h> 36 #include <sys/file.h> 37 #include <sys/stat.h> 38 #include <sys/malloc.h> 39 #include <sys/device.h> 40 #include <sys/syslog.h> 41 42 #include <dev/ic/wdcreg.h> 43 #include <dev/ata/atareg.h> 44 #include <dev/ata/atavar.h> 45 46 #define DEBUG_FUNCS 0x08 47 #define DEBUG_PROBE 0x10 48 #ifdef WDCDEBUG 49 extern int wdcdebug_mask; /* init'ed in wdc.c */ 50 #define WDCDEBUG_PRINT(args, level) \ 51 if (wdcdebug_mask & (level)) \ 52 printf args 53 #else 54 #define WDCDEBUG_PRINT(args, level) 55 #endif 56 57 /* Get the disk's parameters */ 58 int 59 ata_get_params(drvp, flags, prms) 60 struct ata_drive_datas *drvp; 61 u_int8_t flags; 62 struct ataparams *prms; 63 { 64 char tb[DEV_BSIZE]; 65 struct wdc_command wdc_c; 66 67 #if BYTE_ORDER == LITTLE_ENDIAN 68 int i; 69 u_int16_t *p; 70 #endif 71 72 WDCDEBUG_PRINT(("wdc_ata_get_parms\n"), DEBUG_FUNCS); 73 74 memset(tb, 0, DEV_BSIZE); 75 memset(prms, 0, sizeof(struct ataparams)); 76 memset(&wdc_c, 0, sizeof(struct wdc_command)); 77 78 if (drvp->drive_flags & DRIVE_ATA) { 79 wdc_c.r_command = WDCC_IDENTIFY; 80 wdc_c.r_st_bmask = WDCS_DRDY | WDCS_DSC; 81 wdc_c.r_st_pmask = WDCS_DRDY | WDCS_DSC | WDCS_DRQ; 82 } else { 83 wdc_c.r_command = ATAPI_IDENTIFY_DEVICE; 84 wdc_c.r_st_bmask = 0; 85 wdc_c.r_st_pmask = WDCS_DRQ; 86 } 87 wdc_c.flags = AT_READ | flags; 88 wdc_c.timeout = 1000; /* 1s */ 89 wdc_c.data = tb; 90 wdc_c.bcount = DEV_BSIZE; 91 if (wdc_exec_command(drvp, &wdc_c) != WDC_COMPLETE) 92 return CMD_AGAIN; 93 if (wdc_c.flags & (AT_ERROR | AT_TIMEOU | AT_DF)) { 94 return CMD_ERR; 95 } else { 96 /* Read in parameter block. */ 97 memcpy(prms, tb, sizeof(struct ataparams)); 98 #if BYTE_ORDER == LITTLE_ENDIAN 99 /* 100 * Shuffle string byte order. 101 * ATAPI Mitsumi and NEC drives don't need this. 102 */ 103 if ((prms->atap_config & WDC_CFG_ATAPI_MASK) == 104 WDC_CFG_ATAPI && 105 ((prms->atap_model[0] == 'N' && 106 prms->atap_model[1] == 'E') || 107 (prms->atap_model[0] == 'F' && 108 prms->atap_model[1] == 'X'))) 109 return 0; 110 for (i = 0; i < sizeof(prms->atap_model); i += 2) { 111 p = (u_short *)(prms->atap_model + i); 112 *p = ntohs(*p); 113 } 114 for (i = 0; i < sizeof(prms->atap_serial); i += 2) { 115 p = (u_short *)(prms->atap_serial + i); 116 *p = ntohs(*p); 117 } 118 for (i = 0; i < sizeof(prms->atap_revision); i += 2) { 119 p = (u_short *)(prms->atap_revision + i); 120 *p = ntohs(*p); 121 } 122 #endif 123 return CMD_OK; 124 } 125 } 126 127 int 128 ata_set_mode(drvp, mode, flags) 129 struct ata_drive_datas *drvp; 130 u_int8_t mode; 131 u_int8_t flags; 132 { 133 struct wdc_command wdc_c; 134 135 WDCDEBUG_PRINT(("wdc_ata_set_mode=0x%x\n", mode), DEBUG_FUNCS); 136 memset(&wdc_c, 0, sizeof(struct wdc_command)); 137 138 wdc_c.r_command = SET_FEATURES; 139 wdc_c.r_st_bmask = 0; 140 wdc_c.r_st_pmask = 0; 141 wdc_c.r_precomp = WDSF_SET_MODE; 142 wdc_c.r_count = mode; 143 wdc_c.flags = AT_READ | flags; 144 wdc_c.timeout = 1000; /* 1s */ 145 if (wdc_exec_command(drvp, &wdc_c) != WDC_COMPLETE) 146 return CMD_AGAIN; 147 if (wdc_c.flags & (AT_ERROR | AT_TIMEOU | AT_DF)) { 148 return CMD_ERR; 149 } 150 return CMD_OK; 151 } 152 153 void 154 ata_perror(drvp, errno, buf) 155 struct ata_drive_datas *drvp; 156 int errno; 157 char *buf; 158 { 159 static char *errstr0_3[] = {"address mark not found", 160 "track 0 not found", "aborted command", "media change requested", 161 "id not found", "media changed", "uncorrectable data error", 162 "bad block detected"}; 163 static char *errstr4_5[] = {"", 164 "no media/write protected", "aborted command", 165 "media change requested", "id not found", "media changed", 166 "uncorrectable data error", "interface CRC error"}; 167 char **errstr; 168 int i; 169 char *sep = ""; 170 171 if (drvp->ata_vers >= 4) 172 errstr = errstr4_5; 173 else 174 errstr = errstr0_3; 175 176 if (errno == 0) { 177 sprintf(buf, "error not notified"); 178 } 179 180 for (i = 0; i < 8; i++) { 181 if (errno & (1 << i)) { 182 buf += sprintf(buf, "%s %s", sep, errstr[i]); 183 sep = ","; 184 } 185 } 186 } 187
Indexes created Tue Sep 23 07:09:52 GMT 2025