Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/dev/ahb/ahbreg.h
Version:
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1 /*- 2 * Hardware structure definitions for the Adaptec 174X CAM SCSI device driver. 3 * 4 * Copyright (c) 1998 Justin T. Gibbs 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice immediately at the beginning of the file, without modification, 12 * this list of conditions, and the following disclaimer. 13 * 2. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 20 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 31 /* Resource Constatns */ 32 #define AHB_NECB 64 33 #define AHB_NSEG 32 34 35 /* AHA1740 EISA ID, IO port range size, and offset from slot base */ 36 #define EISA_DEVICE_ID_ADAPTEC_1740 0x04900000 37 #define AHB_EISA_IOSIZE 0x100 38 #define AHB_EISA_SLOT_OFFSET 0xc00 39 40 /* AHA1740 EISA board control registers (Offset from slot base) */ 41 #define EBCTRL 0x084 42 #define CDEN 0x01 43 44 /* 45 * AHA1740 EISA board mode registers (Offset from slot base) 46 */ 47 #define PORTADDR 0x0C0 48 #define PORTADDR_ENHANCED 0x80 49 50 #define BIOSADDR 0x0C1 51 52 #define INTDEF 0x0C2 53 #define INT9 0x00 54 #define INT10 0x01 55 #define INT11 0x02 56 #define INT12 0x03 57 #define INT14 0x05 58 #define INT15 0x06 59 #define INTLEVEL 0x08 60 #define INTEN 0x10 61 62 #define SCSIDEF 0x0C3 63 #define HSCSIID 0x0F /* our SCSI ID */ 64 #define RSTBUS 0x10 65 66 #define BUSDEF 0x0C4 67 #define B0uS 0x00 /* give up bus immediatly */ 68 #define B4uS 0x01 /* delay 4uSec. */ 69 #define B8uS 0x02 /* delay 8uSec. */ 70 71 #define RESV0 0x0C5 72 73 #define RESV1 0x0C6 74 #define EXTENDED_TRANS 0x01 75 76 #define RESV2 0x0C7 77 78 /* 79 * AHA1740 ENHANCED mode mailbox control regs (Offset from slot base) 80 */ 81 #define MBOXOUT0 0x0D0 82 #define MBOXOUT1 0x0D1 83 #define MBOXOUT2 0x0D2 84 #define MBOXOUT3 0x0D3 85 86 #define ATTN 0x0D4 87 #define ATTN_TARGMASK 0x0F 88 #define ATTN_IMMED 0x10 89 #define ATTN_STARTECB 0x40 90 #define ATTN_ABORTECB 0x50 91 #define ATTN_TARG_RESET 0x80 92 93 #define CONTROL 0x0D5 94 #define CNTRL_SET_HRDY 0x20 95 #define CNTRL_CLRINT 0x40 96 #define CNTRL_HARD_RST 0x80 97 98 #define INTSTAT 0x0D6 99 #define INTSTAT_TARGET_MASK 0x0F 100 #define INTSTAT_MASK 0xF0 101 #define INTSTAT_ECB_OK 0x10 /* ECB Completed w/out error */ 102 #define INTSTAT_ECB_CMPWRETRY 0x50 /* ECB Completed w/retries */ 103 #define INTSTAT_HW_ERR 0x70 /* Adapter Hardware Failure */ 104 #define INTSTAT_IMMED_OK 0xA0 /* Immediate command complete */ 105 #define INTSTAT_ECB_CMPWERR 0xC0 /* ECB Completed w/error */ 106 #define INTSTAT_AEN_OCCURED 0xD0 /* Async Event Notification */ 107 #define INTSTAT_IMMED_ERR 0xE0 /* Immediate command failed */ 108 109 #define HOSTSTAT 0x0D7 110 #define HOSTSTAT_MBOX_EMPTY 0x04 111 #define HOSTSTAT_INTPEND 0x02 112 #define HOSTSTAT_BUSY 0x01 113 114 115 #define MBOXIN0 0x0D8 116 #define MBOXIN1 0x0D9 117 #define MBOXIN2 0x0DA 118 #define MBOXIN3 0x0DB 119 120 #define STATUS2 0x0DC 121 #define STATUS2_HOST_READY 0x01 122 123 typedef enum { 124 IMMED_RESET = 0x000080, 125 IMMED_DEVICE_CLEAR_QUEUE = 0x000480, 126 IMMED_ADAPTER_CLEAR_QUEUE = 0x000880, 127 IMMED_RESUME = 0x200090 128 } immed_cmd; 129 130 struct ecb_status { 131 /* Status Flags */ 132 u_int16_t no_error :1, /* Completed with no error */ 133 data_underrun :1, 134 :1, 135 ha_queue_full :1, 136 spec_check :1, 137 data_overrun :1, 138 chain_halted :1, 139 intr_issued :1, 140 status_avail :1, /* status bytes 14-31 are valid */ 141 sense_stored :1, 142 :1, 143 init_requied :1, 144 major_error :1, 145 :1, 146 extended_ca :1, 147 :1; 148 /* Host Status */ 149 u_int8_t ha_status; 150 u_int8_t scsi_status; 151 int32_t resid_count; 152 u_int32_t resid_addr; 153 u_int16_t addit_status; 154 u_int8_t sense_len; 155 u_int8_t unused[9]; 156 u_int8_t cdb[6]; 157 }; 158 159 typedef enum { 160 HS_OK = 0x00, 161 HS_CMD_ABORTED_HOST = 0x04, 162 HS_CMD_ABORTED_ADAPTER = 0x05, 163 HS_FIRMWARE_LOAD_REQ = 0x08, 164 HS_TARGET_NOT_ASSIGNED = 0x0A, 165 HS_SEL_TIMEOUT = 0x11, 166 HS_DATA_RUN_ERR = 0x12, 167 HS_UNEXPECTED_BUSFREE = 0x13, 168 HS_INVALID_PHASE = 0x14, 169 HS_INVALID_OPCODE = 0x16, 170 HS_INVALID_CMD_LINK = 0x17, 171 HS_INVALID_ECB_PARAM = 0x18, 172 HS_DUP_TCB_RECEIVED = 0x19, 173 HS_REQUEST_SENSE_FAILED = 0x1A, 174 HS_TAG_MSG_REJECTED = 0x1C, 175 HS_HARDWARE_ERR = 0x20, 176 HS_ATN_TARGET_FAILED = 0x21, 177 HS_SCSI_RESET_ADAPTER = 0x22, 178 HS_SCSI_RESET_INCOMING = 0x23, 179 HS_PROGRAM_CKSUM_ERROR = 0x80 180 } host_status; 181 182 typedef enum { 183 ECBOP_NOP = 0x00, 184 ECBOP_INITIATOR_SCSI_CMD = 0x01, 185 ECBOP_RUN_DIAGNOSTICS = 0x05, 186 ECBOP_INITIALIZE_SCSI = 0x06, /* Set syncrate/disc/parity */ 187 ECBOP_READ_SENSE = 0x08, 188 ECBOP_DOWNLOAD_FIRMWARE = 0x09, 189 ECBOP_READ_HA_INQDATA = 0x0a, 190 ECBOP_TARGET_SCSI_CMD = 0x10 191 } ecb_op; 192 193 struct ha_inquiry_data { 194 struct scsi_inquiry_data scsi_data; 195 u_int8_t release_date[8]; 196 u_int8_t release_time[8]; 197 u_int16_t firmware_cksum; 198 u_int16_t reserved; 199 u_int16_t target_data[16]; 200 }; 201 202 struct hardware_ecb { 203 u_int16_t opcode; 204 u_int16_t flag_word1; 205 #define FW1_LINKED_CMD 0x0001 206 #define FW1_DISABLE_INTR 0x0080 207 #define FW1_SUPPRESS_URUN_ERR 0x0400 208 #define FW1_SG_ECB 0x1000 209 #define FW1_ERR_STATUS_BLK_ONLY 0x4000 210 #define FW1_AUTO_REQUEST_SENSE 0x8000 211 u_int16_t flag_word2; 212 #define FW2_LUN_MASK 0x0007 213 #define FW2_TAG_ENB 0x0008 214 #define FW2_TAG_TYPE 0x0030 215 #define FW2_TAG_TYPE_SHIFT 4 216 #define FW2_DISABLE_DISC 0x0040 217 #define FW2_CHECK_DATA_DIR 0x0100 218 #define FW2_DATA_DIR_IN 0x0200 219 #define FW2_SUPRESS_TRANSFER 0x0400 220 #define FW2_CALC_CKSUM 0x0800 221 #define FW2_RECOVERY_ECB 0x4000 222 #define FW2_NO_RETRY_ON_BUSY 0x8000 223 u_int16_t reserved; 224 u_int32_t data_ptr; 225 u_int32_t data_len; 226 u_int32_t status_ptr; 227 u_int32_t link_ptr; 228 u_int32_t reserved2; 229 u_int32_t sense_ptr; 230 u_int8_t sense_len; 231 u_int8_t cdb_len; 232 u_int16_t cksum; 233 u_int8_t cdb[12]; 234 }; 235 236 typedef struct { 237 u_int32_t addr; 238 u_int32_t len; 239 } ahb_sg_t; 240 241 typedef enum { 242 ECB_FREE = 0x0, 243 ECB_ACTIVE = 0x1, 244 ECB_DEVICE_RESET = 0x2, 245 ECB_SCSIBUS_RESET = 0x4, 246 ECB_RELEASE_SIMQ = 0x8 247 } ecb_state; 248 249 struct ecb { 250 struct hardware_ecb hecb; 251 struct ecb_status status; 252 struct scsi_sense_data sense; 253 ahb_sg_t sg_list[AHB_NSEG]; 254 SLIST_ENTRY(ecb) links; 255 ecb_state state; 256 union ccb *ccb; 257 bus_dmamap_t dmamap; 258 }; 259 260 struct ahb_softc { 261 bus_space_tag_t tag; 262 bus_space_handle_t bsh; 263 struct cam_sim *sim; 264 struct cam_path *path; 265 SLIST_HEAD(,ecb) free_ecbs; 266 LIST_HEAD(,ccb_hdr) pending_ccbs; 267 struct ecb *ecb_array; 268 u_int32_t ecb_physbase; 269 bus_dma_tag_t buffer_dmat; /* dmat for buffer I/O */ 270 bus_dma_tag_t ecb_dmat; /* dmat for our ecb array */ 271 bus_dmamap_t ecb_dmamap; 272 volatile u_int32_t immed_cmd; 273 struct ecb *immed_ecb; 274 struct ha_inquiry_data *ha_inq_data; 275 u_int32_t ha_inq_physbase; 276 u_long unit; 277 u_int init_level; 278 u_int scsi_id; 279 u_int num_ecbs; 280 u_int extended_trans; 281 u_int8_t disc_permitted; 282 u_int8_t tags_permitted; 283 };
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