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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 | /************************************************************************** * Initio 9100 device driver for Linux. * * Copyright (c) 1994-1998 Initio Corporation * All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; see the file COPYING. If not, write to * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. * * -------------------------------------------------------------------------- * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer, * without modification, immediately at the beginning of the file. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * Where this Software is combined with software released under the terms of * the GNU Public License ("GPL") and the terms of the GPL would require the * combined work to also be released under the terms of the GPL, the terms * and conditions of this License will apply in addition to those of the * GPL with the exception of any terms or conditions of this License that * conflict with, or are expressly prohibited by, the GPL. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * ************************************************************************* * * Module: ini9100u.h * Description: INI-9100U/UW LINUX device driver header * Revision History: * 06/18/96 Harry Chen, Initial Version 1.00A (Beta) * 06/23/98 hc - v1.01k * - Get it work for kernel version >= 2.1.75 * 12/09/98 bv - v1.03a * - Removed unused code * 12/13/98 bv - v1.03b * - Add spinlocks to HCS structure. * 21/01/99 bv - v1.03e * - Added PCI_ID structure **************************************************************************/ #ifndef CVT_LINUX_VERSION #define CVT_LINUX_VERSION(V,P,S) (((V) * 65536) + ((P) * 256) + (S)) #endif #ifndef LINUX_VERSION_CODE #include <linux/version.h> #endif #include "sd.h" extern int i91u_detect(Scsi_Host_Template *); extern int i91u_command(Scsi_Cmnd *); extern int i91u_queue(Scsi_Cmnd *, void (*done) (Scsi_Cmnd *)); extern int i91u_abort(Scsi_Cmnd *); extern int i91u_reset(Scsi_Cmnd *, unsigned int); #if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(1, 3, 0) extern int i91u_biosparam(Scsi_Disk *, kdev_t, int *); /*for linux v2.0 */ extern struct proc_dir_entry proc_scsi_ini9100u; #else extern int i91u_biosparam(Disk *, int, int *); /*for linux v1.13 */ #endif #define i91u_REVID "Initio INI-9X00U/UW SCSI device driver; Revision: 1.03g" #if LINUX_VERSION_CODE < CVT_LINUX_VERSION(1, 3, 0) #define INI9100U { \ NULL, \ NULL, \ i91u_REVID, \ i91u_detect, \ NULL, \ NULL, \ i91u_command, \ i91u_queue, \ i91u_abort, \ i91u_reset, \ NULL, \ i91u_biosparam, \ 1, \ 7, \ SG_ALL, \ 1, \ 0, \ 0, \ ENABLE_CLUSTERING \ } #else #if LINUX_VERSION_CODE < CVT_LINUX_VERSION(2, 1, 75) #define INI9100U { \ NULL, \ NULL, \ &proc_scsi_ini9100u, \ NULL, \ i91u_REVID, \ i91u_detect, \ NULL, \ NULL, \ i91u_command, \ i91u_queue, \ i91u_abort, \ i91u_reset, \ NULL, \ i91u_biosparam, \ 1, \ 7, \ SG_ALL, \ 1, \ 0, \ 0, \ ENABLE_CLUSTERING \ } #else /* Version >= 2.1.75 */ #define INI9100U { \ next: NULL, \ module: NULL, \ proc_dir: &proc_scsi_ini9100u, \ proc_info: NULL, \ name: i91u_REVID, \ detect: i91u_detect, \ release: NULL, \ info: NULL, \ command: i91u_command, \ queuecommand: i91u_queue, \ eh_strategy_handler: NULL, \ eh_abort_handler: NULL, \ eh_device_reset_handler: NULL, \ eh_bus_reset_handler: NULL, \ eh_host_reset_handler: NULL, \ abort: i91u_abort, \ reset: i91u_reset, \ slave_attach: NULL, \ bios_param: i91u_biosparam, \ can_queue: 1, \ this_id: 1, \ sg_tablesize: SG_ALL, \ cmd_per_lun: 1, \ present: 0, \ unchecked_isa_dma: 0, \ use_clustering: ENABLE_CLUSTERING, \ use_new_eh_code: 0 \ } #endif #endif #define VIRT_TO_BUS(i) (unsigned int) virt_to_bus((void *)(i)) #define ULONG unsigned long #define USHORT unsigned short #define UCHAR unsigned char #define BYTE unsigned char #define WORD unsigned short #define DWORD unsigned long #define UBYTE unsigned char #define UWORD unsigned short #define UDWORD unsigned long #ifdef ALPHA #define U32 unsigned int #else #define U32 unsigned long #endif #ifndef NULL #define NULL 0 /* zero */ #endif #ifndef TRUE #define TRUE (1) /* boolean true */ #endif #ifndef FALSE #define FALSE (0) /* boolean false */ #endif #ifndef FAILURE #define FAILURE (-1) #endif #define i91u_MAXQUEUE 2 #define TOTAL_SG_ENTRY 32 #define MAX_TARGETS 16 #define SENSE_SIZE 14 #define INI_VENDOR_ID 0x1101 /* Initio's PCI vendor ID */ #define DMX_VENDOR_ID 0x134a /* Domex's PCI vendor ID */ #define I950_DEVICE_ID 0x9500 /* Initio's inic-950 product ID */ #define I940_DEVICE_ID 0x9400 /* Initio's inic-940 product ID */ #define I935_DEVICE_ID 0x9401 /* Initio's inic-935 product ID */ #define I920_DEVICE_ID 0x0002 /* Initio's other product ID */ /************************************************************************/ /* Vendor ID/Device ID Pair Structure */ /************************************************************************/ typedef struct PCI_ID_Struc { unsigned short vendor_id; unsigned short device_id; } PCI_ID; /************************************************************************/ /* Scatter-Gather Element Structure */ /************************************************************************/ typedef struct SG_Struc { U32 SG_Ptr; /* Data Pointer */ U32 SG_Len; /* Data Length */ } SG; /*********************************************************************** SCSI Control Block ************************************************************************/ typedef struct Scsi_Ctrl_Blk { U32 SCB_InitioReserved[9]; /* 0 */ UBYTE SCB_Opcode; /*24 SCB command code */ UBYTE SCB_Flags; /*25 SCB Flags */ UBYTE SCB_Target; /*26 Target Id */ UBYTE SCB_Lun; /*27 Lun */ U32 SCB_BufPtr; /*28 Data Buffer Pointer */ U32 SCB_BufLen; /*2C Data Allocation Length */ UBYTE SCB_SGLen; /*30 SG list # */ UBYTE SCB_SenseLen; /*31 Sense Allocation Length */ UBYTE SCB_HaStat; /*32 */ UBYTE SCB_TaStat; /*33 */ UBYTE SCB_CDBLen; /*34 CDB Length */ UBYTE SCB_Ident; /*35 Identify */ UBYTE SCB_TagMsg; /*36 Tag Message */ UBYTE SCB_TagId; /*37 Queue Tag */ UBYTE SCB_CDB[12]; /*38 */ U32 SCB_SGPAddr; /*44 SG List/Sense Buf phy. Addr. */ U32 SCB_SensePtr; /*48 Sense data pointer */ void (*SCB_Post) (BYTE *, BYTE *); /*4C POST routine */ Scsi_Cmnd *SCB_Srb; /*50 SRB Pointer */ SG SCB_SGList[TOTAL_SG_ENTRY]; /*54 Start of SG list */ } SCB; /* Opcodes of SCB_Opcode */ #define ExecSCSI 0x1 #define BusDevRst 0x2 #define AbortCmd 0x3 /* Bit Definition for SCB_Flags */ #define SCF_DONE 0x01 #define SCF_POST 0x02 #define SCF_SENSE 0x04 #define SCF_DIR 0x18 #define SCF_NO_DCHK 0x00 #define SCF_DIN 0x08 #define SCF_DOUT 0x10 #define SCF_NO_XF 0x18 #define SCF_POLL 0x40 #define SCF_SG 0x80 /* Error Codes for SCB_HaStat */ #define HOST_SEL_TOUT 0x11 #define HOST_DO_DU 0x12 #define HOST_BUS_FREE 0x13 #define HOST_BAD_PHAS 0x14 #define HOST_INV_CMD 0x16 #define HOST_SCSI_RST 0x1B #define HOST_DEV_RST 0x1C /* Error Codes for SCB_TaStat */ #define TARGET_CHKCOND 0x02 #define TARGET_BUSY 0x08 /* Queue tag msg: Simple_quque_tag, Head_of_queue_tag, Ordered_queue_tag */ #define MSG_STAG 0x20 #define MSG_HTAG 0x21 #define MSG_OTAG 0x22 /*********************************************************************** Target Device Control Structure **********************************************************************/ typedef struct Tar_Ctrl_Struc { ULONG TCS_InitioReserved; /* 0 */ UWORD TCS_DrvFlags; /* 4 */ UBYTE TCS_DrvHead; /* 6 */ UBYTE TCS_DrvSector; /* 7 */ } TCS; /*********************************************************************** Target Device Control Structure **********************************************************************/ /* Bit Definition for TCF_DrvFlags */ #define TCF_DRV_255_63 0x0400 /*********************************************************************** Host Adapter Control Structure ************************************************************************/ typedef struct Ha_Ctrl_Struc { UWORD HCS_Base; /* 00 */ UWORD HCS_BIOS; /* 02 */ UBYTE HCS_Intr; /* 04 */ UBYTE HCS_SCSI_ID; /* 05 */ UBYTE HCS_MaxTar; /* 06 */ UBYTE HCS_NumScbs; /* 07 */ UBYTE HCS_Flags; /* 08 */ UBYTE HCS_Index; /* 09 */ UBYTE HCS_Reserved[2]; /* 0a */ ULONG HCS_InitioReserved[27]; /* 0C */ TCS HCS_Tcs[16]; /* 78 -> 16 Targets */ Scsi_Cmnd *pSRB_head; /* SRB save queue header */ Scsi_Cmnd *pSRB_tail; /* SRB save queue tail */ #if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95) spinlock_t HCS_AvailLock; spinlock_t HCS_SemaphLock; spinlock_t pSRB_lock; #endif } HCS; /* Bit Definition for HCB_Flags */ #define HCF_EXPECT_RESET 0x10 /* SCSI related definition */ #define DISC_NOT_ALLOW 0x80 /* Disconnect is not allowed */ #define DISC_ALLOW 0xC0 /* Disconnect is allowed */ |