ihavar.h revision 1.2
1 /* $NetBSD: ihavar.h,v 1.2 2001/06/09 13:43:02 tsutsui Exp $ */ 2 /* 3 * Initio INI-9xxxU/UW SCSI Device Driver 4 * 5 * Copyright (c) 2000 Ken Westerback 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer, 13 * without modification, immediately at the beginning of the file. 14 * 2. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT, 21 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 23 * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 25 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 26 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 27 * THE POSSIBILITY OF SUCH DAMAGE. 28 * 29 *------------------------------------------------------------------------- 30 * 31 * Ported from i91uscsi.h, provided by Initio Corporation, which probably 32 * came from the same people who provided i91u.c: 33 * 34 * Device driver for the INI-9XXXU/UW or INIC-940/950 PCI SCSI Controller. 35 * 36 * FreeBSD 37 * 38 * Written for 386bsd and FreeBSD by 39 * Winston Hung <winstonh (at) initio.com> 40 * 41 * Copyright (c) 1997-99 Initio Corp. All rights reserved. 42 * 43 *------------------------------------------------------------------------- 44 */ 45 46 /* 47 * Ported to NetBSD by Izumi Tsutsui <tsutsui (at) ceres.dti.ne.jp> from OpenBSD: 48 * $OpenBSD: iha.h,v 1.2 2001/02/08 17:35:05 krw Exp $ 49 */ 50 51 #define IHA_MAX_SG_ENTRIES 33 52 #define IHA_MAX_TARGETS 16 53 #define IHA_MAX_SCB 32 54 #define IHA_MAX_EXTENDED_MSG 4 /* SDTR(3) and WDTR(4) only */ 55 #define IHA_MAX_OFFSET 15 56 57 #define SCSI_CONDITION_MET 0x04 /* SCSI Status codes not defined */ 58 #define SCSI_INTERM_COND_MET 0x14 /* in scsi_all.h */ 59 60 /* 61 * Scatter-Gather Element Structure 62 */ 63 struct iha_sg_element { 64 u_int32_t sg_addr; /* Data Pointer */ 65 u_int32_t sg_len; /* Data Length */ 66 }; 67 68 struct iha_sglist { 69 struct iha_sg_element sg_element[IHA_MAX_SG_ENTRIES]; 70 }; 71 72 #define IHA_SG_SIZE (sizeof(struct iha_sglist)) 73 74 /* 75 * iha_scsi_req_q - SCSI Request structure used by the 76 * Tulip (aka inic-950). Note that 32 77 * bit pointers and ints are assumed! 78 */ 79 80 struct iha_scsi_req_q { 81 TAILQ_ENTRY(iha_scsi_req_q) chain; 82 83 bus_dmamap_t dmap; /* maps xs->buf xfer buffer */ 84 85 int status; /* Current status of the SCB */ 86 #define STATUS_QUEUED 0 /* SCB one of Free/Done/Pend */ 87 #define STATUS_RENT 1 /* SCB allocated, not queued */ 88 #define STATUS_SELECT 2 /* SCB being selected */ 89 #define STATUS_BUSY 3 /* SCB I/O is active */ 90 int nextstat; /* Next state function to apply */ 91 int sg_index; /* Scatter/Gather Index */ 92 int sg_max; /* Scatter/Gather # valid entries */ 93 int flags; /* SCB Flags (xs->flags + private)*/ 94 #define FLAG_RSENS 0x00010000 /* Request Sense sent */ 95 #define FLAG_SG 0x00020000 /* Scatter/Gather used */ 96 int target; /* Target Id */ 97 int lun; /* Lun */ 98 99 u_int32_t bufaddr; /* Data Buffer Physical Addr */ 100 u_int32_t buflen; /* Data Allocation Length */ 101 int ha_stat; /* Status of Host Adapter */ 102 #define HOST_OK 0x00 /* OK - operation a success */ 103 #define HOST_TIMED_OUT 0x01 /* Request timed out */ 104 #define HOST_SPERR 0x10 /* SCSI parity error */ 105 #define HOST_SEL_TOUT 0x11 /* Selection Timeout */ 106 #define HOST_DO_DU 0x12 /* Data Over/Underrun */ 107 #define HOST_BAD_PHAS 0x14 /* Unexpected SCSI bus phase */ 108 #define HOST_SCSI_RST 0x1B /* SCSI bus was reset */ 109 #define HOST_DEV_RST 0x1C /* Device was reset */ 110 int ta_stat; /* SCSI Status Byte */ 111 int timeout; /* in milliseconds */ 112 113 struct scsipi_xfer *xs; /* xs this SCB is executing */ 114 struct tcs *tcs; /* tcs for SCB_Target */ 115 struct iha_sg_element *sglist; 116 bus_size_t sgoffset; /* xfer buf offset */ 117 118 int sg_size; /* # of valid entries in sg_list */ 119 u_int32_t sg_addr; /* SGList Physical Address */ 120 121 122 int cmdlen; /* CDB Length */ 123 u_int8_t cmd[12]; /* SCSI Command */ 124 125 u_int8_t scb_id; /* Identity Message */ 126 u_int8_t scb_tagmsg; /* Tag Message */ 127 u_int8_t scb_tagid; /* Queue Tag */ 128 }; 129 130 /* 131 * Target Device Control Structure 132 */ 133 struct tcs { 134 int flags; 135 #define FLAG_SCSI_RATE 0x0007 /* Index into tul_rate_tbl[] */ 136 #define FLAG_EN_DISC 0x0008 /* Enable disconnect */ 137 #define FLAG_NO_SYNC 0x0010 /* No sync data transfer */ 138 #define FLAG_NO_WIDE 0x0020 /* No wide data transfer */ 139 #define FLAG_1GIGA 0x0040 /* 255 hd/63 sec (64/32) */ 140 #define FLAG_SPINUP 0x0080 /* Start disk drive */ 141 #define FLAG_WIDE_DONE 0x0100 /* WDTR msg has been sent */ 142 #define FLAG_SYNC_DONE 0x0200 /* SDTR msg has been sent */ 143 #define FLAG_NO_NEG_SYNC (FLAG_NO_SYNC | FLAG_SYNC_DONE) 144 #define FLAG_NO_NEG_WIDE (FLAG_NO_WIDE | FLAG_WIDE_DONE) 145 #define FLAG_NO_NEGOTIATE (FLAG_NO_NEG_SYNC | FLAG_NO_NEG_WIDE) 146 int period; 147 int offset; 148 int tagcnt; 149 150 struct iha_scsi_req_q *ntagscb; 151 152 u_int8_t syncm; 153 u_int8_t sconfig0; 154 }; 155 156 struct iha_softc { 157 struct device sc_dev; 158 159 bus_space_tag_t sc_iot; 160 bus_space_handle_t sc_ioh; 161 162 bus_dma_tag_t sc_dmat; 163 bus_dmamap_t sc_dmamap; 164 165 struct scsipi_adapter sc_adapter; 166 struct scsipi_channel sc_channel; 167 168 int sc_id; 169 void *sc_ih; 170 171 /* 172 * Initio specific fields 173 */ 174 int sc_flags; 175 #define FLAG_EXPECT_DISC 0x01 176 #define FLAG_EXPECT_SELECT 0x02 177 #define FLAG_EXPECT_RESET 0x10 178 #define FLAG_EXPECT_DONE_DISC 0x20 179 int sc_semaph; 180 #define SEMAPH_IN_MAIN 0x00 /* Already in tulip_main */ 181 int sc_phase; /* MSG C/D I/O */ 182 #define PHASE_DATA_OUT 0x00 /* 0 0 0 */ 183 #define PHASE_DATA_IN 0x01 /* 0 0 1 */ 184 #define PHASE_CMD_OUT 0x02 /* 0 1 0 */ 185 #define PHASE_STATUS_IN 0x03 /* 0 1 1 */ 186 #define PHASE_MSG_OUT 0x06 /* 1 1 0 */ 187 #define PHASE_MSG_IN 0x07 /* 1 1 1 */ 188 189 struct iha_scsi_req_q *sc_scb; /* SCB array */ 190 struct iha_scsi_req_q *sc_actscb; /* SCB using SCSI bus */ 191 struct iha_sglist *sc_sglist; 192 193 TAILQ_HEAD(, iha_scsi_req_q) sc_freescb, 194 sc_pendscb, 195 sc_donescb; 196 197 struct tcs sc_tcs[IHA_MAX_TARGETS]; 198 199 u_int8_t sc_msg[IHA_MAX_EXTENDED_MSG]; /* [0] len, [1] Msg Code */ 200 u_int8_t sc_sistat; 201 u_int8_t sc_status0; 202 u_int8_t sc_status1; 203 u_int8_t sc_sconf1; 204 }; 205 206 /* 207 * EEPROM for one SCSI Channel 208 */ 209 210 #define EEPROM_SIZE 32 211 #define EEP_LBYTE(x) ((x) & 0xff) 212 #define EEP_HBYTE(x) ((x) >> 8) 213 #define EEP_WORD(l, h) (((h) & 0xff) << 8 | ((l) && 0xff)) 214 #define EEP_WAIT() DELAY(5) 215 216 struct eeprom_adapter { 217 u_int16_t config1; /* 0x00 Channel Adapter SCSI Id */ 218 #define CFG_ID_MASK 0x000f 219 #define CFG_ID(cfg) ((cfg) & CFG_ID_MASK) 220 #define CFG_SCSI_RESET 0x0100 /* Reset bus at power up */ 221 #define CFG_EN_PAR 0x0200 /* SCSI parity enable */ 222 #define CFG_ACT_TERM1 0x0400 /* Enable active term 1 */ 223 #define CFG_ACT_TERM2 0x0800 /* Enable active term 2 */ 224 #define CFG_AUTO_TERM 0x1000 /* Enable auto terminator */ 225 #define CFG_EN_PWR 0x8000 /* Enable power mgmt */ 226 #define CFG_DEFAULT (CFG_SCSI_RESET | CFG_AUTO_TERM | CFG_EN_PAR) 227 u_int16_t config2; 228 #define CFG_CFG2(x) EEP_LBYTE(x) /* 0x02 Unused Channel Cfg byte 2*/ 229 #define CFG_TARGET(x) EEP_HBYTE(x) /* 0x03 Number of SCSI targets */ 230 /* 0x04 Lower bytes of targ flags*/ 231 u_int16_t tflags[IHA_MAX_TARGETS / sizeof(u_int16_t)]; 232 #define FLAG_DEFAULT (FLAG_NO_WIDE | FLAG_1GIGA | FLAG_EN_DISC) 233 }; 234 235 /* 236 * Tulip (aka ini-950) Serial EEPROM Layout 237 */ 238 struct iha_eeprom { 239 /* ---------- Header ------------------------------------------------*/ 240 u_int16_t signature; /* 0x00 NVRAM Signature */ 241 #define EEP_SIGNATURE 0xC925 242 u_int16_t revision; 243 #define EEP_SIZE(x) EEP_LBYTE(x) /* 0x02 Size of data structure*/ 244 #define EEP_REV(x) EEP_HBYTE(x) /* 0x03 Rev. of data structure*/ 245 /* ---------- Host Adapter Structure --------------------------------*/ 246 u_int16_t model; /* 0x04 Model number */ 247 u_int16_t modelinfo; 248 #define EEP_INFO(x) EEP_LBYTE(x) /* 0x06 Model information */ 249 #define EEP_CHAN(x) EEP_HBYTE(x) /* 0x07 Number of SCSI channel*/ 250 u_int16_t bioscfg; /* 0x08 BIOS configuration 1 */ 251 #define EEP_BIOSCFG_ENABLE 0x0001 /* BIOS enable */ 252 #define EEP_BIOSCFG_8DRIVE 0x0002 /* Support > 2 drives */ 253 #define EEP_BIOSCFG_REMOVABLE 0x0004 /* Support removable drv */ 254 #define EEP_BIOSCFG_INT19 0x0008 /* Intercept int 19h */ 255 #define EEP_BIOSCFG_BIOSSCAN 0x0010 /* Dynamic BIOS scan */ 256 #define EEP_BIOSCFG_LUNSUPPORT 0x0040 /* Support LUN */ 257 #define EEP_BIOSCFG_DEFAULT EEP_BIOSCFG_ENABLE 258 u_int16_t hacfg; /* 0x0a Host adapter config 1 */ 259 #define EEP_HACFG_BOOTIDMASK 0x000F /* Boot ID number */ 260 #define EEP_HACFG_LUNMASK 0x0070 /* Boot LUN number */ 261 #define EEP_HACFG_CHANMASK 0x0080 /* Boot Channel number */ 262 struct eeprom_adapter adapter[2]; /* 0x0c */ 263 u_int16_t reserved[5]; /* 0x34 */ 264 265 /* --------- CheckSum -----------------------------------------------*/ 266 u_int16_t checksum; /* 0x3E Checksum of NVRam */ 267 }; 268 269 /* Functions used by higher SCSI layers, the kernel, or iha.c and iha_pci.c */ 270 271 int iha_intr(void *); 272 void iha_attach(struct iha_softc *); 273
Indexes created Fri Sep 26 20:09:58 GMT 2025