ihavar.h revision 1.8
1 /* $NetBSD: ihavar.h,v 1.8 2002/11/14 17:07:42 tsutsui Exp $ */ 2 3 /*- 4 * Device driver for the INI-9XXXU/UW or INIC-940/950 PCI SCSI Controller. 5 * 6 * Written for 386bsd and FreeBSD by 7 * Winston Hung <winstonh (at) initio.com> 8 * 9 * Copyright (c) 1997-1999 Initio Corp. 10 * Copyright (c) 2000 Ken Westerback 11 * Copyright (c) 2001, 2002 Izumi Tsutsui 12 * All rights reserved. 13 * 14 * Redistribution and use in source and binary forms, with or without 15 * modification, are permitted provided that the following conditions 16 * are met: 17 * 1. Redistributions of source code must retain the above copyright 18 * notice, this list of conditions and the following disclaimer, 19 * without modification, immediately at the beginning of the file. 20 * 2. The name of the author may not be used to endorse or promote products 21 * derived from this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 26 * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT, 27 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 28 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 29 * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 31 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 32 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 33 * THE POSSIBILITY OF SUCH DAMAGE. 34 */ 35 36 /* 37 * Ported to NetBSD by Izumi Tsutsui <tsutsui (at) ceres.dti.ne.jp> from OpenBSD: 38 * $OpenBSD: iha.h,v 1.2 2001/02/08 17:35:05 krw Exp $ 39 */ 40 41 #define IHA_MAX_SG_ENTRIES (MAXPHYS / PAGE_SIZE + 1) 42 #define IHA_MAX_TARGETS 16 43 #define IHA_MAX_SCB 32 44 #define IHA_MAX_EXTENDED_MSG 4 /* SDTR(3) and WDTR(4) only */ 45 #define IHA_MAX_OFFSET 15 46 47 #define SCSI_CONDITION_MET 0x04 /* SCSI Status codes not defined */ 48 #define SCSI_INTERM_COND_MET 0x14 /* in scsi_all.h */ 49 50 /* 51 * Scatter-Gather Element Structure 52 */ 53 struct iha_sg_element { 54 u_int32_t sg_addr; /* Data Pointer */ 55 u_int32_t sg_len; /* Data Length */ 56 }; 57 58 #define IHA_SG_SIZE (sizeof(struct iha_sg_element) * IHA_MAX_SG_ENTRIES) 59 60 /* 61 * iha_scb - SCSI Request structure used by the 62 * Tulip (aka inic-940/950). 63 */ 64 65 struct iha_scb { 66 TAILQ_ENTRY(iha_scb) chain; 67 68 bus_dmamap_t dmap; /* maps xs->buf xfer buffer */ 69 70 int status; /* Current status of the SCB */ 71 #define STATUS_QUEUED 0 /* SCB one of Free/Done/Pend */ 72 #define STATUS_RENT 1 /* SCB allocated, not queued */ 73 #define STATUS_SELECT 2 /* SCB being selected */ 74 #define STATUS_BUSY 3 /* SCB I/O is active */ 75 int nextstat; /* Next state function to apply */ 76 int sg_index; /* Scatter/Gather Index */ 77 int sg_max; /* Scatter/Gather # valid entries */ 78 int flags; /* SCB Flags */ 79 #define FLAG_DATAIN 0x00000001 /* Data In */ 80 #define FLAG_DATAOUT 0x00000002 /* Data Out */ 81 #define FLAG_RSENS 0x00000004 /* Request Sense sent */ 82 #define FLAG_SG 0x00000008 /* Scatter/Gather used */ 83 int target; /* Target Id */ 84 int lun; /* Lun */ 85 86 u_int32_t bufaddr; /* Data Buffer Physical Addr */ 87 u_int32_t buflen; /* Data Allocation Length */ 88 int ha_stat; /* Status of Host Adapter */ 89 #define HOST_OK 0x00 /* OK - operation a success */ 90 #define HOST_TIMED_OUT 0x01 /* Request timed out */ 91 #define HOST_SPERR 0x10 /* SCSI parity error */ 92 #define HOST_SEL_TOUT 0x11 /* Selection Timeout */ 93 #define HOST_DO_DU 0x12 /* Data Over/Underrun */ 94 #define HOST_BAD_PHAS 0x14 /* Unexpected SCSI bus phase */ 95 #define HOST_SCSI_RST 0x1B /* SCSI bus was reset */ 96 #define HOST_DEV_RST 0x1C /* Device was reset */ 97 int ta_stat; /* SCSI Status Byte */ 98 99 struct scsipi_xfer *xs; /* xs this SCB is executing */ 100 struct tcs *tcs; /* tcs for SCB_Target */ 101 struct iha_sg_element *sglist; 102 bus_size_t sgoffset; /* xfer buf offset */ 103 104 int sg_size; /* # of valid entries in sg_list */ 105 u_int32_t sg_addr; /* SGList Physical Address */ 106 107 int cmdlen; /* CDB Length */ 108 u_int8_t cmd[12]; /* SCSI Command */ 109 110 u_int8_t scb_id; /* Identity Message */ 111 u_int8_t scb_tagmsg; /* Tag Message */ 112 u_int8_t scb_tagid; /* Queue Tag */ 113 }; 114 115 /* 116 * Target Device Control Structure 117 */ 118 struct tcs { 119 int flags; 120 #define FLAG_SCSI_RATE 0x0007 /* Index into iha_rate_tbl[] */ 121 #define FLAG_EN_DISC 0x0008 /* Enable disconnect */ 122 #define FLAG_NO_SYNC 0x0010 /* No sync data transfer */ 123 #define FLAG_NO_WIDE 0x0020 /* No wide data transfer */ 124 #define FLAG_1GIGA 0x0040 /* 255 hd/63 sec (64/32) */ 125 #define FLAG_SPINUP 0x0080 /* Start disk drive */ 126 #define FLAG_WIDE_DONE 0x0100 /* WDTR msg has been sent */ 127 #define FLAG_SYNC_DONE 0x0200 /* SDTR msg has been sent */ 128 #define FLAG_NO_NEG_SYNC (FLAG_NO_SYNC | FLAG_SYNC_DONE) 129 #define FLAG_NO_NEG_WIDE (FLAG_NO_WIDE | FLAG_WIDE_DONE) 130 int period; 131 int offset; 132 int tagcnt; 133 134 struct iha_scb *ntagscb; 135 136 u_int8_t syncm; 137 u_int8_t sconfig0; 138 }; 139 140 struct iha_softc { 141 struct device sc_dev; 142 143 bus_space_tag_t sc_iot; 144 bus_space_handle_t sc_ioh; 145 146 bus_dma_tag_t sc_dmat; 147 bus_dmamap_t sc_dmamap; 148 149 struct scsipi_adapter sc_adapter; 150 struct scsipi_channel sc_channel; 151 152 int sc_id; 153 void *sc_ih; 154 155 /* 156 * Initio specific fields 157 */ 158 int sc_flags; 159 #define FLAG_EXPECT_DISC 0x01 160 #define FLAG_EXPECT_SELECT 0x02 161 #define FLAG_EXPECT_RESET 0x10 162 #define FLAG_EXPECT_DONE_DISC 0x20 163 int sc_semaph; 164 #define SEMAPH_IN_MAIN 0x00 /* Already in tulip_main */ 165 int sc_phase; /* MSG C/D I/O */ 166 #define PHASE_DATA_OUT 0x00 /* 0 0 0 */ 167 #define PHASE_DATA_IN 0x01 /* 0 0 1 */ 168 #define PHASE_CMD_OUT 0x02 /* 0 1 0 */ 169 #define PHASE_STATUS_IN 0x03 /* 0 1 1 */ 170 #define PHASE_MSG_OUT 0x06 /* 1 1 0 */ 171 #define PHASE_MSG_IN 0x07 /* 1 1 1 */ 172 173 struct iha_scb *sc_scb; /* SCB array */ 174 struct iha_scb *sc_actscb; /* SCB using SCSI bus */ 175 struct iha_sg_element *sc_sglist; 176 177 TAILQ_HEAD(, iha_scb) sc_freescb, 178 sc_pendscb, 179 sc_donescb; 180 181 struct tcs sc_tcs[IHA_MAX_TARGETS]; 182 183 u_int8_t sc_msg[IHA_MAX_EXTENDED_MSG]; /* [0] len, [1] Msg Code */ 184 u_int8_t sc_sistat; 185 u_int8_t sc_status0; 186 u_int8_t sc_status1; 187 u_int8_t sc_sconf1; 188 }; 189 190 /* 191 * EEPROM for one SCSI Channel 192 */ 193 194 #define EEPROM_SIZE 32 195 #define EEP_LBYTE(x) ((x) & 0xff) 196 #define EEP_HBYTE(x) ((x) >> 8) 197 #define EEP_WORD(l, h) (((h) & 0xff) << 8 | ((l) && 0xff)) 198 #define EEP_WAIT() DELAY(5) 199 200 struct eeprom_adapter { 201 u_int16_t config1; /* 0x00 Channel Adapter SCSI Id */ 202 #define CFG_ID_MASK 0x000f 203 #define CFG_ID(cfg) ((cfg) & CFG_ID_MASK) 204 #define CFG_SCSI_RESET 0x0100 /* Reset bus at power up */ 205 #define CFG_EN_PAR 0x0200 /* SCSI parity enable */ 206 #define CFG_ACT_TERM1 0x0400 /* Enable active term 1 */ 207 #define CFG_ACT_TERM2 0x0800 /* Enable active term 2 */ 208 #define CFG_AUTO_TERM 0x1000 /* Enable auto terminator */ 209 #define CFG_EN_PWR 0x8000 /* Enable power mgmt */ 210 #define CFG_DEFAULT (CFG_SCSI_RESET | CFG_AUTO_TERM | CFG_EN_PAR) 211 u_int16_t config2; 212 #define CFG_CFG2(x) EEP_LBYTE(x) /* 0x02 Unused Channel Cfg byte 2*/ 213 #define CFG_TARGET(x) EEP_HBYTE(x) /* 0x03 Number of SCSI targets */ 214 /* 0x04 Lower bytes of targ flags*/ 215 u_int16_t tflags[IHA_MAX_TARGETS / sizeof(u_int16_t)]; 216 #define FLAG_DEFAULT (FLAG_NO_WIDE | FLAG_1GIGA | FLAG_EN_DISC) 217 }; 218 219 /* 220 * Tulip (aka ini-940/950) Serial EEPROM Layout 221 */ 222 struct iha_eeprom { 223 /* ---------- Header ------------------------------------------------*/ 224 u_int16_t signature; /* 0x00 NVRAM Signature */ 225 #define EEP_SIGNATURE 0xC925 226 u_int16_t revision; 227 #define EEP_SIZE(x) EEP_LBYTE(x) /* 0x02 Size of data structure*/ 228 #define EEP_REV(x) EEP_HBYTE(x) /* 0x03 Rev. of data structure*/ 229 /* ---------- Host Adapter Structure --------------------------------*/ 230 u_int16_t model; /* 0x04 Model number */ 231 u_int16_t modelinfo; 232 #define EEP_INFO(x) EEP_LBYTE(x) /* 0x06 Model information */ 233 #define EEP_CHAN(x) EEP_HBYTE(x) /* 0x07 Number of SCSI channel*/ 234 u_int16_t bioscfg; /* 0x08 BIOS configuration 1 */ 235 #define EEP_BIOSCFG_ENABLE 0x0001 /* BIOS enable */ 236 #define EEP_BIOSCFG_8DRIVE 0x0002 /* Support > 2 drives */ 237 #define EEP_BIOSCFG_REMOVABLE 0x0004 /* Support removable drv */ 238 #define EEP_BIOSCFG_INT19 0x0008 /* Intercept int 19h */ 239 #define EEP_BIOSCFG_BIOSSCAN 0x0010 /* Dynamic BIOS scan */ 240 #define EEP_BIOSCFG_LUNSUPPORT 0x0040 /* Support LUN */ 241 #define EEP_BIOSCFG_DEFAULT EEP_BIOSCFG_ENABLE 242 u_int16_t hacfg; /* 0x0a Host adapter config 1 */ 243 #define EEP_HACFG_BOOTIDMASK 0x000F /* Boot ID number */ 244 #define EEP_HACFG_LUNMASK 0x0070 /* Boot LUN number */ 245 #define EEP_HACFG_CHANMASK 0x0080 /* Boot Channel number */ 246 struct eeprom_adapter adapter[2]; /* 0x0c */ 247 u_int16_t reserved[5]; /* 0x34 */ 248 249 /* --------- CheckSum -----------------------------------------------*/ 250 u_int16_t checksum; /* 0x3E Checksum of NVRam */ 251 }; 252 253 /* Functions used by higher SCSI layers, the kernel, or iha.c and iha_pci.c */ 254 255 int iha_intr(void *); 256 void iha_attach(struct iha_softc *); 257
Indexes created Sat Sep 27 14:09:57 GMT 2025