1 /* $NetBSD: icpreg.h,v 1.1 2002/04/22 21:05:21 ad Exp $ */ 2 3 /*- 4 * Copyright (c) 2002 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Andrew Doran. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * Copyright (c) 1999, 2000 Niklas Hallqvist. All rights reserved. 41 * 42 * Redistribution and use in source and binary forms, with or without 43 * modification, are permitted provided that the following conditions 44 * are met: 45 * 1. Redistributions of source code must retain the above copyright 46 * notice, this list of conditions and the following disclaimer. 47 * 2. Redistributions in binary form must reproduce the above copyright 48 * notice, this list of conditions and the following disclaimer in the 49 * documentation and/or other materials provided with the distribution. 50 * 3. All advertising materials mentioning features or use of this software 51 * must display the following acknowledgement: 52 * This product includes software developed by Niklas Hallqvist. 53 * 4. The name of the author may not be used to endorse or promote products 54 * derived from this software without specific prior written permission. 55 * 56 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 57 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 58 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 59 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 60 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 61 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 62 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 63 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 64 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 65 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 66 * 67 * from OpenBSD: gdtreg.h,v 1.1 2000/02/07 00:33:03 niklas Exp 68 */ 69 70 #ifndef _IC_ICPREG_H_ 71 #define _IC_ICPREG_H_ 72 73 #define ICP_MAXBUS 6 /* XXX Why not 5? */ 74 #define ICP_MAX_HDRIVES 35 /* 5 busses * 7 targets XXX correct? */ 75 #define ICP_MAXID_FC 127 /* Fibre-channel maximum ID */ 76 #define ICP_MAXOFFSETS 128 77 #define ICP_MAXSG 17 /* Max. s/g elements; actually 128 */ 78 #define ICP_PROTOCOL_VERSION 1 79 #define ICP_LINUX_OS 8 /* Used for cache optimization */ 80 #define ICP_SCATTER_GATHER 1 /* s/g feature */ 81 #define ICP_SECS32 0x1f /* round capacity */ 82 #define ICP_LOCALBOARD 0 /* Board node always 0 */ 83 #define ICP_MAX_CMDS 124 84 #define ICP_SECTOR_SIZE 0x200 /* Always 512 bytes for cache devs */ 85 86 /* DPMEM constants */ 87 #define ICP_MPR_MAGIC 0xc0ffee11 88 #define ICP_IC_HEADER_BYTES 48 89 #define ICP_IC_QUEUE_BYTES 4 90 91 /* Cache/raw service commands */ 92 #define ICP_INIT 0 /* service initialization */ 93 #define ICP_READ 1 /* read command */ 94 #define ICP_WRITE 2 /* write command */ 95 #define ICP_INFO 3 /* information about devices */ 96 #define ICP_FLUSH 4 /* flush dirty cache buffers */ 97 #define ICP_IOCTL 5 /* ioctl command */ 98 #define ICP_DEVTYPE 9 /* additional information */ 99 #define ICP_MOUNT 10 /* mount cache device */ 100 #define ICP_UNMOUNT 11 /* unmount cache device */ 101 #define ICP_SET_FEAT 12 /* set features (scatter/gather) */ 102 #define ICP_GET_FEAT 13 /* get features */ 103 #define ICP_WRITE_THR 16 /* write through */ 104 #define ICP_READ_THR 17 /* read through */ 105 #define ICP_EXT_INFO 18 /* extended info */ 106 #define ICP_RESET 19 /* controller reset */ 107 #define ICP_FREEZE_IO 25 /* freeze all IOs */ 108 #define ICP_UNFREEZE_IO 26 /* unfreeze all IOs */ 109 110 /* Additional raw service commands */ 111 #define ICP_RESERVE 14 /* reserve device to raw service */ 112 #define ICP_RELEASE 15 /* release device */ 113 #define ICP_RESERVE_ALL 16 /* reserve all devices */ 114 #define ICP_RELEASE_ALL 17 /* release all devices */ 115 #define ICP_RESET_BUS 18 /* reset bus */ 116 #define ICP_SCAN_START 19 /* start device scan */ 117 #define ICP_SCAN_END 20 /* stop device scan */ 118 119 /* IOCTL command defines */ 120 #define ICP_SCSI_DR_INFO 0x00 /* SCSI drive info */ 121 #define ICP_SCSI_CHAN_CNT 0x05 /* SCSI channel count */ 122 #define ICP_SCSI_DR_LIST 0x06 /* SCSI drive list */ 123 #define ICP_SCSI_DEF_CNT 0x15 /* grown/primary defects */ 124 #define ICP_DSK_STATISTICS 0x4b /* SCSI disk statistics */ 125 #define ICP_IOCHAN_DESC 0x5d /* description of IO channel */ 126 #define ICP_IOCHAN_RAW_DESC 0x5e /* description of raw IO channel */ 127 128 #define ICP_L_CTRL_PATTERN 0x20000000 /* SCSI IOCTL mask */ 129 #define ICP_ARRAY_INFO 0x12 /* array drive info */ 130 #define ICP_ARRAY_DRV_LIST 0x0f /* array drive list */ 131 #define ICP_LA_CTRL_PATTERN 0x10000000 /* array IOCTL mask */ 132 #define ICP_CACHE_DRV_CNT 0x01 /* cache drive count */ 133 #define ICP_CACHE_DRV_LIST 0x02 /* cache drive list */ 134 #define ICP_CACHE_INFO 0x04 /* cache info */ 135 #define ICP_CACHE_CONFIG 0x05 /* cache configuration */ 136 #define ICP_CACHE_DRV_INFO 0x07 /* cache drive info */ 137 #define ICP_BOARD_FEATURES 0x15 /* controller features */ 138 #define ICP_BOARD_INFO 0x28 /* controller info */ 139 #define ICP_HOST_GET 0x10001 /* get host drive list */ 140 #define ICP_IO_CHANNEL 0x20000 /* default IO channel */ 141 #define ICP_INVALID_CHANNEL 0xffff /* invalid channel */ 142 143 /* IOCTLs */ 144 #define ICPIOCTL_MASK ('J' << 8) 145 #define ICPIOCTL_GENERAL (ICPIOCTL_MASK | 0) /* general IOCTL */ 146 #define ICPIOCTL_DRVERS (ICPIOCTL_MASK | 1) /* get driver version */ 147 #define ICPIOCTL_CTRTYPE (ICPIOCTL_MASK | 2) /* get controller type */ 148 #define ICPIOCTL_CTRCNT (ICPIOCTL_MASK | 5) /* get controller count */ 149 #define ICPIOCTL_LOCKDRV (ICPIOCTL_MASK | 6) /* lock host drive */ 150 #define ICPIOCTL_LOCKCHN (ICPIOCTL_MASK | 7) /* lock channel */ 151 #define ICPIOCTL_EVENT (ICPIOCTL_MASK | 8) /* read controller events */ 152 153 /* Service errors */ 154 #define ICP_S_OK 1 /* no error */ 155 #define ICP_S_BSY 7 /* controller busy */ 156 #define ICP_S_RAW_SCSI 12 /* raw service: target error */ 157 #define ICP_S_RAW_ILL 0xff /* raw service: illegal */ 158 #define ICP_S_NO_STATUS 0x1000 /* got no status (driver-generated) */ 159 160 /* Controller services */ 161 #define ICP_SCSIRAWSERVICE 3 162 #define ICP_CACHESERVICE 9 163 #define ICP_SCREENSERVICE 11 164 165 /* Data direction raw service. */ 166 #define ICP_DATA_IN 0x01000000 167 #define ICP_DATA_OUT 0x00000000 168 169 /* Command queue entries */ 170 #define ICP_OFFSET 0x00 /* u_int16_t, command offset in the DP RAM */ 171 #define ICP_SERV_ID 0x02 /* u_int16_t, service */ 172 #define ICP_COMM_Q_SZ 0x04 173 174 /* Interface area */ 175 #define ICP_S_CMD_INDX 0x00 /* u_int8_t, special command */ 176 #define ICP_S_STATUS 0x01 /* volatile u_int8_t, status special command */ 177 #define ICP_S_INFO 0x04 /* u_int32_t [4], add. info special command */ 178 #define ICP_SEMA0 0x14 /* volatile u_int8_t, command semaphore */ 179 #define ICP_CMD_INDEX 0x18 /* u_int8_t, command number */ 180 #define ICP_STATUS 0x1c /* volatile u_int16_t, command status */ 181 #define ICP_SERVICE 0x1e /* u_int16_t, service (for asynch. events) */ 182 #define ICP_DPR_INFO 0x20 /* u_int32_t [2], additional info */ 183 #define ICP_COMM_QUEUE 0x28 /* command queue */ 184 #define ICP_DPR_CMD (0x30 + ICP_MAXOFFSETS * ICP_COMM_Q_SZ) 185 /* u_int8_t [], commands */ 186 #define ICP_DPR_IF_SZ ICP_DPR_CMD 187 188 /* Get cache info */ 189 #define ICP_CINFO_CPAR 0x00 190 #define ICP_CINFO_CSTAT 0x0c 191 192 /* Other defines */ 193 #define ICP_ASYNCINDEX 0 /* command index asynchronous event */ 194 #define ICP_SPEZINDEX 1 /* command index unknown service */ 195 196 /* I/O channel header */ 197 struct icp_ioc_version { 198 u_int32_t iv_version; /* version (~0: newest) */ 199 u_int8_t iv_listents; /* list entry count */ 200 u_int8_t iv_firstchan; /* first channel number */ 201 u_int8_t iv_lastchan; /* last channel number */ 202 u_int8_t iv_chancount; /* channel count */ 203 u_int32_t iv_listoffset; /* offset of list[0] */ 204 } __attribute__ ((__packed__)); 205 206 #define ICP_IOC_NEWEST 0xffffffff 207 208 /* Get I/O channel description */ 209 struct icp_ioc { 210 u_int32_t io_addr; /* channel address */ 211 u_int8_t io_type; /* type (SCSI/FCAL) */ 212 u_int8_t io_localno; /* local number */ 213 u_int16_t io_features; /* channel features */ 214 } __attribute__ ((__packed__)); 215 216 /* Get raw I/O channel description */ 217 struct icp_rawioc { 218 u_int8_t ri_procid; /* processor ID */ 219 u_int8_t ri_defect; /* defect? */ 220 u_int16_t ri_padding; 221 } __attribute__ ((__packed__)); 222 223 /* Get SCSI channel count */ 224 struct icp_getch { 225 u_int32_t gc_channo; /* channel number */ 226 u_int32_t gc_drivecnt; /* drive count */ 227 u_int8_t gc_scsiid; /* SCSI initiator ID */ 228 u_int8_t gc_scsistate; /* SCSI processor state */ 229 } __attribute__ ((__packed__)); 230 231 /* Cache info/config IOCTL structures */ 232 struct icp_cpar { 233 u_int32_t cp_version; /* firmware version */ 234 u_int16_t cp_state; /* cache state (on/off) */ 235 u_int16_t cp_strategy; /* cache strategy */ 236 u_int16_t cp_write_back; /* write back (on/off) */ 237 u_int16_t cp_block_size; /* cache block size */ 238 } __attribute__ ((__packed__)); 239 240 struct icp_cstat { 241 u_int32_t cs_size; /* cache size */ 242 u_int32_t cs_readcnt; /* read counter */ 243 u_int32_t cs_writecnt; /* write counter */ 244 u_int32_t cs_trhits; /* track hits */ 245 u_int32_t cs_sechits; /* sector hits */ 246 u_int32_t cs_secmiss; /* sector misses */ 247 } __attribute__ ((__packed__)); 248 249 /* Board information. */ 250 struct icp_binfo { 251 u_int32_t bi_ser_no; /* serial number */ 252 u_int8_t bi_oem_id[2]; /* OEM ID */ 253 u_int16_t bi_ep_flags; /* eprom flags */ 254 u_int32_t bi_proc_id; /* processor ID */ 255 u_int32_t bi_memsize; /* memory size (bytes) */ 256 u_int8_t bi_mem_banks; /* memory banks */ 257 u_int8_t bi_chan_type; /* channel type */ 258 u_int8_t bi_chan_count; /* channel count */ 259 u_int8_t bi_rdongle_pres; /* dongle present */ 260 u_int32_t bi_epr_fw_ver; /* (eprom) firmware ver */ 261 u_int32_t bi_upd_fw_ver; /* (update) firmware ver */ 262 u_int32_t bi_upd_revision; /* update revision */ 263 char bi_type_string[16]; /* char controller name */ 264 char bi_raid_string[16]; /* char RAID firmware name */ 265 u_int8_t bi_update_pres; /* update present? */ 266 u_int8_t bi_xor_pres; /* XOR engine present */ 267 u_int8_t bi_prom_type; /* ROM type (eprom/flash) */ 268 u_int8_t bi_prom_count; /* number of ROM devices */ 269 u_int32_t bi_dup_pres; /* duplexing module pres? */ 270 u_int32_t bi_chan_pres; /* # of exp. channels */ 271 u_int32_t bi_mem_pres; /* memory expansion inst? */ 272 u_int8_t bi_ft_bus_system; /* fault bus supported? */ 273 u_int8_t bi_subtype_valid; /* board_subtype valid */ 274 u_int8_t bi_board_subtype; /* subtype/hardware level */ 275 u_int8_t bi_rampar_pres; /* RAM parity check hw? */ 276 } __attribute__ ((__packed__)); 277 278 /* Board features. */ 279 struct icp_bfeat { 280 u_int8_t bf_chaining; /* chaining supported */ 281 u_int8_t bf_striping; /* striping (RAID-0) supported */ 282 u_int8_t bf_mirroring; /* mirroring (RAID-1) supported */ 283 u_int8_t bf_raid; /* RAID-4/5/10 supported */ 284 } __attribute__ ((__packed__)); 285 286 /* Cache drive information. */ 287 struct icp_cdevinfo { 288 char cd_name[8]; 289 u_int32_t cd_devtype; 290 u_int32_t cd_ldcnt; 291 u_int32_t cd_last_error; 292 u_int8_t cd_initialized; 293 u_int8_t cd_removable; 294 u_int8_t cd_write_protected; 295 u_int8_t cd_flags; 296 u_int32_t ld_blkcnt; 297 u_int32_t ld_blksize; 298 u_int32_t ld_dcnt; 299 u_int32_t ld_slave; 300 u_int32_t ld_dtype; 301 u_int32_t ld_last_error; 302 char ld_name[8]; 303 u_int8_t ld_error; 304 } __attribute__ ((__packed__)); 305 306 struct icp_sg { 307 u_int32_t sg_addr; 308 u_int32_t sg_len; 309 } __attribute__ ((__packed__)); 310 311 struct icp_cachecmd { 312 u_int16_t cc_deviceno; 313 u_int32_t cc_blockno; 314 u_int32_t cc_blockcnt; 315 u_int32_t cc_addr; /* ~0 == s/g */ 316 u_int32_t cc_nsgent; 317 struct icp_sg cc_sg[ICP_MAXSG]; 318 } __attribute__ ((__packed__)); 319 320 struct icp_ioctlcmd { 321 u_int16_t ic_bufsize; 322 u_int32_t ic_subfunc; 323 u_int32_t ic_channel; 324 u_int32_t ic_addr; 325 } __attribute__ ((__packed__)); 326 327 struct icp_screencmd { 328 u_int32_t sc_msghandle; 329 u_int32_t sc_msgaddr; 330 } __attribute__ ((__packed__)); 331 332 struct icp_rawcmd { 333 u_int16_t rc_padding0; /* unused */ 334 u_int32_t rc_direction; /* data direction */ 335 u_int32_t rc_mdisc_time; /* disc. time (0: none) */ 336 u_int32_t rc_mcon_time; /* conn. time (0: none) */ 337 u_int32_t rc_sdata; /* dest address */ 338 u_int32_t rc_sdlen; /* data length */ 339 u_int32_t rc_clen; /* CDB length */ 340 u_int8_t rc_cdb[12]; /* SCSI CDB */ 341 u_int8_t rc_target; /* target ID */ 342 u_int8_t rc_lun; /* LUN */ 343 u_int8_t rc_bus; /* channel */ 344 u_int8_t rc_priority; /* priority; 0 only */ 345 u_int32_t rc_sense_len; /* sense length */ 346 u_int32_t rc_sense_addr; /* sense address */ 347 u_int32_t rc_padding1; /* unused */ 348 u_int32_t rc_nsgent; /* s/g element count */ 349 struct icp_sg rc_sg[ICP_MAXSG]; /* s/g list */ 350 } __attribute__ ((__packed__)); 351 352 struct icp_cmdhdr { 353 u_int32_t cmd_boardnode; /* always 0 */ 354 u_int32_t cmd_cmdindex; /* command identifier */ 355 u_int16_t cmd_opcode; 356 } __attribute__ ((__packed__)); 357 358 struct icp_cmd { 359 u_int32_t cmd_boardnode; /* always 0 */ 360 u_int32_t cmd_cmdindex; /* command identifier */ 361 u_int16_t cmd_opcode; 362 363 union { 364 struct icp_rawcmd rc; 365 struct icp_screencmd sc; 366 struct icp_ioctlcmd ic; 367 struct icp_cachecmd cc; 368 } cmd_packet; 369 } __attribute__ ((__packed__)); 370 371 #endif /* !_IC_ICPREG_H_ */ 372