drivers/scsi/initio.h

   1 /**************************************************************************
   2  * Initio 9100 device driver for Linux.
   3  *
   4  * Copyright (c) 1994-1998 Initio Corporation
   5  * All rights reserved.
   6  *
   7  * Cleanups (c) Copyright 2007 Red Hat <alan@lxorguk.ukuu.org.uk>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2, or (at your option)
  12  * any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; see the file COPYING.  If not, write to
  21  * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
  27  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  *
  35  **************************************************************************/
  36
  37
  38 #include <linux/types.h>
  39
  40 #define TOTAL_SG_ENTRY          32
  41 #define MAX_SUPPORTED_ADAPTERS  8
  42 #define MAX_OFFSET              15
  43 #define MAX_TARGETS             16
  44
  45 typedef struct {
  46         unsigned short base;
  47         unsigned short vec;
  48 } i91u_config;
  49
  50 /***************************************/
  51 /*  Tulip Configuration Register Set */
  52 /***************************************/
  53 #define TUL_PVID        0x00    /* Vendor ID                    */
  54 #define TUL_PDID        0x02    /* Device ID                    */
  55 #define TUL_PCMD        0x04    /* Command                      */
  56 #define TUL_PSTUS       0x06    /* Status                       */
  57 #define TUL_PRID        0x08    /* Revision number              */
  58 #define TUL_PPI         0x09    /* Programming interface        */
  59 #define TUL_PSC         0x0A    /* Sub Class                    */
  60 #define TUL_PBC         0x0B    /* Base Class                   */
  61 #define TUL_PCLS        0x0C    /* Cache line size              */
  62 #define TUL_PLTR        0x0D    /* Latency timer                */
  63 #define TUL_PHDT        0x0E    /* Header type                  */
  64 #define TUL_PBIST       0x0F    /* BIST                         */
  65 #define TUL_PBAD        0x10    /* Base address                 */
  66 #define TUL_PBAD1       0x14    /* Base address                 */
  67 #define TUL_PBAD2       0x18    /* Base address                 */
  68 #define TUL_PBAD3       0x1C    /* Base address                 */
  69 #define TUL_PBAD4       0x20    /* Base address                 */
  70 #define TUL_PBAD5       0x24    /* Base address                 */
  71 #define TUL_PRSVD       0x28    /* Reserved                     */
  72 #define TUL_PRSVD1      0x2C    /* Reserved                     */
  73 #define TUL_PRAD        0x30    /* Expansion ROM base address   */
  74 #define TUL_PRSVD2      0x34    /* Reserved                     */
  75 #define TUL_PRSVD3      0x38    /* Reserved                     */
  76 #define TUL_PINTL       0x3C    /* Interrupt line               */
  77 #define TUL_PINTP       0x3D    /* Interrupt pin                */
  78 #define TUL_PIGNT       0x3E    /* MIN_GNT                      */
  79 #define TUL_PMGNT       0x3F    /* MAX_GNT                      */
  80
  81 /************************/
  82 /*  Jasmin Register Set */
  83 /************************/
  84 #define TUL_HACFG0      0x40    /* H/A Configuration Register 0         */
  85 #define TUL_HACFG1      0x41    /* H/A Configuration Register 1         */
  86 #define TUL_HACFG2      0x42    /* H/A Configuration Register 2         */
  87
  88 #define TUL_SDCFG0      0x44    /* SCSI Device Configuration 0          */
  89 #define TUL_SDCFG1      0x45    /* SCSI Device Configuration 1          */
  90 #define TUL_SDCFG2      0x46    /* SCSI Device Configuration 2          */
  91 #define TUL_SDCFG3      0x47    /* SCSI Device Configuration 3          */
  92
  93 #define TUL_GINTS       0x50    /* Global Interrupt Status Register     */
  94 #define TUL_GIMSK       0x52    /* Global Interrupt MASK Register       */
  95 #define TUL_GCTRL       0x54    /* Global Control Register              */
  96 #define TUL_GCTRL_EEPROM_BIT    0x04
  97 #define TUL_GCTRL1      0x55    /* Global Control Register              */
  98 #define TUL_DMACFG      0x5B    /* DMA configuration                    */
  99 #define TUL_NVRAM       0x5D    /* Non-volatile RAM port                */
 100
 101 #define TUL_SCnt0       0x80    /* 00 R/W Transfer Counter Low          */
 102 #define TUL_SCnt1       0x81    /* 01 R/W Transfer Counter Mid          */
 103 #define TUL_SCnt2       0x82    /* 02 R/W Transfer Count High           */
 104 #define TUL_SFifoCnt    0x83    /* 03 R   FIFO counter                  */
 105 #define TUL_SIntEnable  0x84    /* 03 W   Interrupt enble               */
 106 #define TUL_SInt        0x84    /* 04 R   Interrupt Register            */
 107 #define TUL_SCtrl0      0x85    /* 05 W   Control 0                     */
 108 #define TUL_SStatus0    0x85    /* 05 R   Status 0                      */
 109 #define TUL_SCtrl1      0x86    /* 06 W   Control 1                     */
 110 #define TUL_SStatus1    0x86    /* 06 R   Status 1                      */
 111 #define TUL_SConfig     0x87    /* 07 W   Configuration                 */
 112 #define TUL_SStatus2    0x87    /* 07 R   Status 2                      */
 113 #define TUL_SPeriod     0x88    /* 08 W   Sync. Transfer Period & Offset */
 114 #define TUL_SOffset     0x88    /* 08 R   Offset                        */
 115 #define TUL_SScsiId     0x89    /* 09 W   SCSI ID                       */
 116 #define TUL_SBusId      0x89    /* 09 R   SCSI BUS ID                   */
 117 #define TUL_STimeOut    0x8A    /* 0A W   Sel/Resel Time Out Register   */
 118 #define TUL_SIdent      0x8A    /* 0A R   Identify Message Register     */
 119 #define TUL_SAvail      0x8A    /* 0A R   Available Counter Register   */
 120 #define TUL_SData       0x8B    /* 0B R/W SCSI data in/out              */
 121 #define TUL_SFifo       0x8C    /* 0C R/W FIFO                          */
 122 #define TUL_SSignal     0x90    /* 10 R/W SCSI signal in/out            */
 123 #define TUL_SCmd        0x91    /* 11 R/W Command                       */
 124 #define TUL_STest0      0x92    /* 12 R/W Test0                         */
 125 #define TUL_STest1      0x93    /* 13 R/W Test1                         */
 126 #define TUL_SCFG1       0x94    /* 14 R/W Configuration                 */
 127
 128 #define TUL_XAddH       0xC0    /*DMA Transfer Physical Address         */
 129 #define TUL_XAddW       0xC8    /*DMA Current Transfer Physical Address */
 130 #define TUL_XCntH       0xD0    /*DMA Transfer Counter                  */
 131 #define TUL_XCntW       0xD4    /*DMA Current Transfer Counter          */
 132 #define TUL_XCmd        0xD8    /*DMA Command Register                  */
 133 #define TUL_Int         0xDC    /*Interrupt Register                    */
 134 #define TUL_XStatus     0xDD    /*DMA status Register                   */
 135 #define TUL_Mask        0xE0    /*Interrupt Mask Register               */
 136 #define TUL_XCtrl       0xE4    /*DMA Control Register                  */
 137 #define TUL_XCtrl1      0xE5    /*DMA Control Register 1                */
 138 #define TUL_XFifo       0xE8    /*DMA FIFO                              */
 139
 140 #define TUL_WCtrl       0xF7    /*Bus master wait state control         */
 141 #define TUL_DCtrl       0xFB    /*DMA delay control                     */
 142
 143 /*----------------------------------------------------------------------*/
 144 /*   bit definition for Command register of Configuration Space Header  */
 145 /*----------------------------------------------------------------------*/
 146 #define BUSMS           0x04    /* BUS MASTER Enable                    */
 147 #define IOSPA           0x01    /* IO Space Enable                      */
 148
 149 /*----------------------------------------------------------------------*/
 150 /* Command Codes of Tulip SCSI Command register                         */
 151 /*----------------------------------------------------------------------*/
 152 #define TSC_EN_RESEL    0x80    /* Enable Reselection                   */
 153 #define TSC_CMD_COMP    0x84    /* Command Complete Sequence            */
 154 #define TSC_SEL         0x01    /* Select Without ATN Sequence          */
 155 #define TSC_SEL_ATN     0x11    /* Select With ATN Sequence             */
 156 #define TSC_SEL_ATN_DMA 0x51    /* Select With ATN Sequence with DMA    */
 157 #define TSC_SEL_ATN3    0x31    /* Select With ATN3 Sequence            */
 158 #define TSC_SEL_ATNSTOP 0x12    /* Select With ATN and Stop Sequence    */
 159 #define TSC_SELATNSTOP  0x1E    /* Select With ATN and Stop Sequence    */
 160
 161 #define TSC_SEL_ATN_DIRECT_IN   0x95    /* Select With ATN Sequence     */
 162 #define TSC_SEL_ATN_DIRECT_OUT  0x15    /* Select With ATN Sequence     */
 163 #define TSC_SEL_ATN3_DIRECT_IN  0xB5    /* Select With ATN3 Sequence    */
 164 #define TSC_SEL_ATN3_DIRECT_OUT 0x35    /* Select With ATN3 Sequence    */
 165 #define TSC_XF_DMA_OUT_DIRECT   0x06    /* DMA Xfer Information out      */
 166 #define TSC_XF_DMA_IN_DIRECT    0x86    /* DMA Xfer Information in       */
 167
 168 #define TSC_XF_DMA_OUT  0x43    /* DMA Xfer Information out              */
 169 #define TSC_XF_DMA_IN   0xC3    /* DMA Xfer Information in               */
 170 #define TSC_XF_FIFO_OUT 0x03    /* FIFO Xfer Information out             */
 171 #define TSC_XF_FIFO_IN  0x83    /* FIFO Xfer Information in              */
 172
 173 #define TSC_MSG_ACCEPT  0x0F    /* Message Accept                       */
 174
 175 /*----------------------------------------------------------------------*/
 176 /* bit definition for Tulip SCSI Control 0 Register                     */
 177 /*----------------------------------------------------------------------*/
 178 #define TSC_RST_SEQ     0x20    /* Reset sequence counter               */
 179 #define TSC_FLUSH_FIFO  0x10    /* Flush FIFO                           */
 180 #define TSC_ABT_CMD     0x04    /* Abort command (sequence)             */
 181 #define TSC_RST_CHIP    0x02    /* Reset SCSI Chip                      */
 182 #define TSC_RST_BUS     0x01    /* Reset SCSI Bus                       */
 183
 184 /*----------------------------------------------------------------------*/
 185 /* bit definition for Tulip SCSI Control 1 Register                     */
 186 /*----------------------------------------------------------------------*/
 187 #define TSC_EN_SCAM     0x80    /* Enable SCAM                          */
 188 #define TSC_TIMER       0x40    /* Select timeout unit                  */
 189 #define TSC_EN_SCSI2    0x20    /* SCSI-2 mode                          */
 190 #define TSC_PWDN        0x10    /* Power down mode                      */
 191 #define TSC_WIDE_CPU    0x08    /* Wide CPU                             */
 192 #define TSC_HW_RESELECT 0x04    /* Enable HW reselect                   */
 193 #define TSC_EN_BUS_OUT  0x02    /* Enable SCSI data bus out latch       */
 194 #define TSC_EN_BUS_IN   0x01    /* Enable SCSI data bus in latch        */
 195
 196 /*----------------------------------------------------------------------*/
 197 /* bit definition for Tulip SCSI Configuration Register                 */
 198 /*----------------------------------------------------------------------*/
 199 #define TSC_EN_LATCH    0x80    /* Enable phase latch                   */
 200 #define TSC_INITIATOR   0x40    /* Initiator mode                       */
 201 #define TSC_EN_SCSI_PAR 0x20    /* Enable SCSI parity                   */
 202 #define TSC_DMA_8BIT    0x10    /* Alternate dma 8-bits mode            */
 203 #define TSC_DMA_16BIT   0x08    /* Alternate dma 16-bits mode           */
 204 #define TSC_EN_WDACK    0x04    /* Enable DACK while wide SCSI xfer     */
 205 #define TSC_ALT_PERIOD  0x02    /* Alternate sync period mode           */
 206 #define TSC_DIS_SCSIRST 0x01    /* Disable SCSI bus reset us            */
 207
 208 #define TSC_INITDEFAULT (TSC_INITIATOR | TSC_EN_LATCH | TSC_ALT_PERIOD | TSC_DIS_SCSIRST)
 209
 210 #define TSC_WIDE_SCSI   0x80    /* Enable Wide SCSI                     */
 211
 212 /*----------------------------------------------------------------------*/
 213 /* bit definition for Tulip SCSI signal Register                        */
 214 /*----------------------------------------------------------------------*/
 215 #define TSC_RST_ACK     0x00    /* Release ACK signal                   */
 216 #define TSC_RST_ATN     0x00    /* Release ATN signal                   */
 217 #define TSC_RST_BSY     0x00    /* Release BSY signal                   */
 218
 219 #define TSC_SET_ACK     0x40    /* ACK signal                           */
 220 #define TSC_SET_ATN     0x08    /* ATN signal                           */
 221
 222 #define TSC_REQI        0x80    /* REQ signal                           */
 223 #define TSC_ACKI        0x40    /* ACK signal                           */
 224 #define TSC_BSYI        0x20    /* BSY signal                           */
 225 #define TSC_SELI        0x10    /* SEL signal                           */
 226 #define TSC_ATNI        0x08    /* ATN signal                           */
 227 #define TSC_MSGI        0x04    /* MSG signal                           */
 228 #define TSC_CDI         0x02    /* C/D signal                           */
 229 #define TSC_IOI         0x01    /* I/O signal                           */
 230
 231
 232 /*----------------------------------------------------------------------*/
 233 /* bit definition for Tulip SCSI Status 0 Register                      */
 234 /*----------------------------------------------------------------------*/
 235 #define TSS_INT_PENDING 0x80    /* Interrupt pending            */
 236 #define TSS_SEQ_ACTIVE  0x40    /* Sequencer active             */
 237 #define TSS_XFER_CNT    0x20    /* Transfer counter zero        */
 238 #define TSS_FIFO_EMPTY  0x10    /* FIFO empty                   */
 239 #define TSS_PAR_ERROR   0x08    /* SCSI parity error            */
 240 #define TSS_PH_MASK     0x07    /* SCSI phase mask              */
 241
 242 /*----------------------------------------------------------------------*/
 243 /* bit definition for Tulip SCSI Status 1 Register                      */
 244 /*----------------------------------------------------------------------*/
 245 #define TSS_STATUS_RCV  0x08    /* Status received              */
 246 #define TSS_MSG_SEND    0x40    /* Message sent                 */
 247 #define TSS_CMD_PH_CMP  0x20    /* command phase done              */
 248 #define TSS_DATA_PH_CMP 0x10    /* Data phase done              */
 249 #define TSS_STATUS_SEND 0x08    /* Status sent                  */
 250 #define TSS_XFER_CMP    0x04    /* Transfer completed           */
 251 #define TSS_SEL_CMP     0x02    /* Selection completed          */
 252 #define TSS_ARB_CMP     0x01    /* Arbitration completed        */
 253
 254 /*----------------------------------------------------------------------*/
 255 /* bit definition for Tulip SCSI Status 2 Register                      */
 256 /*----------------------------------------------------------------------*/
 257 #define TSS_CMD_ABTED   0x80    /* Command aborted              */
 258 #define TSS_OFFSET_0    0x40    /* Offset counter zero          */
 259 #define TSS_FIFO_FULL   0x20    /* FIFO full                    */
 260 #define TSS_TIMEOUT_0   0x10    /* Timeout counter zero         */
 261 #define TSS_BUSY_RLS    0x08    /* Busy release                 */
 262 #define TSS_PH_MISMATCH 0x04    /* Phase mismatch               */
 263 #define TSS_SCSI_BUS_EN 0x02    /* SCSI data bus enable         */
 264 #define TSS_SCSIRST     0x01    /* SCSI bus reset in progress   */
 265
 266 /*----------------------------------------------------------------------*/
 267 /* bit definition for Tulip SCSI Interrupt Register                     */
 268 /*----------------------------------------------------------------------*/
 269 #define TSS_RESEL_INT   0x80    /* Reselected interrupt         */
 270 #define TSS_SEL_TIMEOUT 0x40    /* Selected/reselected timeout  */
 271 #define TSS_BUS_SERV    0x20
 272 #define TSS_SCSIRST_INT 0x10    /* SCSI bus reset detected      */
 273 #define TSS_DISC_INT    0x08    /* Disconnected interrupt       */
 274 #define TSS_SEL_INT     0x04    /* Select interrupt             */
 275 #define TSS_SCAM_SEL    0x02    /* SCAM selected                */
 276 #define TSS_FUNC_COMP   0x01
 277
 278 /*----------------------------------------------------------------------*/
 279 /* SCSI Phase Codes.                                                    */
 280 /*----------------------------------------------------------------------*/
 281 #define DATA_OUT        0
 282 #define DATA_IN         1       /* 4                            */
 283 #define CMD_OUT         2
 284 #define STATUS_IN       3       /* 6                            */
 285 #define MSG_OUT         6       /* 3                            */
 286 #define MSG_IN          7
 287
 288
 289
 290 /*----------------------------------------------------------------------*/
 291 /* Command Codes of Tulip xfer Command register                         */
 292 /*----------------------------------------------------------------------*/
 293 #define TAX_X_FORC      0x02
 294 #define TAX_X_ABT       0x04
 295 #define TAX_X_CLR_FIFO  0x08
 296
 297 #define TAX_X_IN        0x21
 298 #define TAX_X_OUT       0x01
 299 #define TAX_SG_IN       0xA1
 300 #define TAX_SG_OUT      0x81
 301
 302 /*----------------------------------------------------------------------*/
 303 /* Tulip Interrupt Register                                             */
 304 /*----------------------------------------------------------------------*/
 305 #define XCMP            0x01
 306 #define FCMP            0x02
 307 #define XABT            0x04
 308 #define XERR            0x08
 309 #define SCMP            0x10
 310 #define IPEND           0x80
 311
 312 /*----------------------------------------------------------------------*/
 313 /* Tulip DMA Status Register                                            */
 314 /*----------------------------------------------------------------------*/
 315 #define XPEND           0x01    /* Transfer pending             */
 316 #define FEMPTY          0x02    /* FIFO empty                   */
 317
 318
 319
 320 /*----------------------------------------------------------------------*/
 321 /* bit definition for TUL_GCTRL                                         */
 322 /*----------------------------------------------------------------------*/
 323 #define EXTSG           0x80
 324 #define EXTAD           0x60
 325 #define SEG4K           0x08
 326 #define EEPRG           0x04
 327 #define MRMUL           0x02
 328
 329 /*----------------------------------------------------------------------*/
 330 /* bit definition for TUL_NVRAM                                         */
 331 /*----------------------------------------------------------------------*/
 332 #define SE2CS           0x08
 333 #define SE2CLK          0x04
 334 #define SE2DO           0x02
 335 #define SE2DI           0x01
 336
 337
 338 /************************************************************************/
 339 /*              Scatter-Gather Element Structure                        */
 340 /************************************************************************/
 341 struct sg_entry {
 342         u32 data;               /* Data Pointer */
 343         u32 len;                /* Data Length */
 344 };
 345
 346 /***********************************************************************
 347                 SCSI Control Block
 348 ************************************************************************/
 349 struct scsi_ctrl_blk {
 350         struct scsi_ctrl_blk *next;
 351         u8 status;      /*4 */
 352         u8 next_state;  /*5 */
 353         u8 mode;                /*6 */
 354         u8 msgin;       /*7 SCB_Res0 */
 355         u16 sgidx;      /*8 */
 356         u16 sgmax;      /*A */
 357 #ifdef ALPHA
 358         u32 reserved[2];        /*C */
 359 #else
 360         u32 reserved[3];        /*C */
 361 #endif
 362
 363         u32 xferlen;    /*18 Current xfer len           */
 364         u32 totxlen;    /*1C Total xfer len             */
 365         u32 paddr;              /*20 SCB phy. Addr. */
 366
 367         u8 opcode;      /*24 SCB command code */
 368         u8 flags;       /*25 SCB Flags */
 369         u8 target;      /*26 Target Id */
 370         u8 lun;         /*27 Lun */
 371         u32 bufptr;             /*28 Data Buffer Pointer */
 372         u32 buflen;             /*2C Data Allocation Length */
 373         u8 sglen;       /*30 SG list # */
 374         u8 senselen;    /*31 Sense Allocation Length */
 375         u8 hastat;      /*32 */
 376         u8 tastat;      /*33 */
 377         u8 cdblen;      /*34 CDB Length */
 378         u8 ident;       /*35 Identify */
 379         u8 tagmsg;      /*36 Tag Message */
 380         u8 tagid;       /*37 Queue Tag */
 381         u8 cdb[12];     /*38 */
 382         u32 sgpaddr;    /*44 SG List/Sense Buf phy. Addr. */
 383         u32 senseptr;   /*48 Sense data pointer */
 384         void (*post) (u8 *, u8 *);      /*4C POST routine */
 385         struct scsi_cmnd *srb;  /*50 SRB Pointer */
 386         struct sg_entry sglist[TOTAL_SG_ENTRY]; /*54 Start of SG list */
 387 };
 388
 389 /* Bit Definition for status */
 390 #define SCB_RENT        0x01
 391 #define SCB_PEND        0x02
 392 #define SCB_CONTIG      0x04    /* Contingent Allegiance */
 393 #define SCB_SELECT      0x08
 394 #define SCB_BUSY        0x10
 395 #define SCB_DONE        0x20
 396
 397
 398 /* Opcodes for opcode */
 399 #define ExecSCSI        0x1
 400 #define BusDevRst       0x2
 401 #define AbortCmd        0x3
 402
 403
 404 /* Bit Definition for mode */
 405 #define SCM_RSENS       0x01    /* request sense mode */
 406
 407
 408 /* Bit Definition for flags */
 409 #define SCF_DONE        0x01
 410 #define SCF_POST        0x02
 411 #define SCF_SENSE       0x04
 412 #define SCF_DIR         0x18
 413 #define SCF_NO_DCHK     0x00
 414 #define SCF_DIN         0x08
 415 #define SCF_DOUT        0x10
 416 #define SCF_NO_XF       0x18
 417 #define SCF_WR_VF       0x20    /* Write verify turn on         */
 418 #define SCF_POLL        0x40
 419 #define SCF_SG          0x80
 420
 421 /* Error Codes for SCB_HaStat */
 422 #define HOST_SEL_TOUT   0x11
 423 #define HOST_DO_DU      0x12
 424 #define HOST_BUS_FREE   0x13
 425 #define HOST_BAD_PHAS   0x14
 426 #define HOST_INV_CMD    0x16
 427 #define HOST_ABORTED    0x1A    /* 07/21/98 */
 428 #define HOST_SCSI_RST   0x1B
 429 #define HOST_DEV_RST    0x1C
 430
 431 /* Error Codes for SCB_TaStat */
 432 #define TARGET_CHKCOND  0x02
 433 #define TARGET_BUSY     0x08
 434 #define INI_QUEUE_FULL  0x28
 435
 436 /* SCSI MESSAGE */
 437 #define MSG_COMP        0x00
 438 #define MSG_EXTEND      0x01
 439 #define MSG_SDP         0x02
 440 #define MSG_RESTORE     0x03
 441 #define MSG_DISC        0x04
 442 #define MSG_IDE         0x05
 443 #define MSG_ABORT       0x06
 444 #define MSG_REJ         0x07
 445 #define MSG_NOP         0x08
 446 #define MSG_PARITY      0x09
 447 #define MSG_LINK_COMP   0x0A
 448 #define MSG_LINK_FLAG   0x0B
 449 #define MSG_DEVRST      0x0C
 450 #define MSG_ABORT_TAG   0x0D
 451
 452 /* Queue tag msg: Simple_quque_tag, Head_of_queue_tag, Ordered_queue_tag */
 453 #define MSG_STAG        0x20
 454 #define MSG_HTAG        0x21
 455 #define MSG_OTAG        0x22
 456
 457 #define MSG_IGNOREWIDE  0x23
 458
 459 #define MSG_IDENT   0x80
 460
 461 /***********************************************************************
 462                 Target Device Control Structure
 463 **********************************************************************/
 464
 465 struct target_control {
 466         u16 flags;
 467         u8 js_period;
 468         u8 sconfig0;
 469         u16 drv_flags;
 470         u8 heads;
 471         u8 sectors;
 472 };
 473
 474 /***********************************************************************
 475                 Target Device Control Structure
 476 **********************************************************************/
 477
 478 /* Bit Definition for TCF_Flags */
 479 #define TCF_SCSI_RATE           0x0007
 480 #define TCF_EN_DISC             0x0008
 481 #define TCF_NO_SYNC_NEGO        0x0010
 482 #define TCF_NO_WDTR             0x0020
 483 #define TCF_EN_255              0x0040
 484 #define TCF_EN_START            0x0080
 485 #define TCF_WDTR_DONE           0x0100
 486 #define TCF_SYNC_DONE           0x0200
 487 #define TCF_BUSY                0x0400
 488
 489
 490 /* Bit Definition for TCF_DrvFlags */
 491 #define TCF_DRV_BUSY            0x01    /* Indicate target busy(driver) */
 492 #define TCF_DRV_EN_TAG          0x0800
 493 #define TCF_DRV_255_63          0x0400
 494
 495 /***********************************************************************
 496               Host Adapter Control Structure
 497 ************************************************************************/
 498 struct initio_host {
 499         u16 addr;               /* 00 */
 500         u16 bios_addr;          /* 02 */
 501         u8 irq;                 /* 04 */
 502         u8 scsi_id;             /* 05 */
 503         u8 max_tar;             /* 06 */
 504         u8 num_scbs;            /* 07 */
 505
 506         u8 flags;               /* 08 */
 507         u8 index;               /* 09 */
 508         u8 ha_id;               /* 0A */
 509         u8 config;              /* 0B */
 510         u16 idmask;             /* 0C */
 511         u8 semaph;              /* 0E */
 512         u8 phase;               /* 0F */
 513         u8 jsstatus0;           /* 10 */
 514         u8 jsint;               /* 11 */
 515         u8 jsstatus1;           /* 12 */
 516         u8 sconf1;              /* 13 */
 517
 518         u8 msg[8];              /* 14 */
 519         struct scsi_ctrl_blk *next_avail;       /* 1C */
 520         struct scsi_ctrl_blk *scb;              /* 20 */
 521         struct scsi_ctrl_blk *scb_end;          /* 24 */ /*UNUSED*/
 522         struct scsi_ctrl_blk *next_pending;     /* 28 */
 523         struct scsi_ctrl_blk *next_contig;      /* 2C */ /*UNUSED*/
 524         struct scsi_ctrl_blk *active;           /* 30 */
 525         struct target_control *active_tc;       /* 34 */
 526
 527         struct scsi_ctrl_blk *first_avail;      /* 38 */
 528         struct scsi_ctrl_blk *last_avail;       /* 3C */
 529         struct scsi_ctrl_blk *first_pending;    /* 40 */
 530         struct scsi_ctrl_blk *last_pending;     /* 44 */
 531         struct scsi_ctrl_blk *first_busy;       /* 48 */
 532         struct scsi_ctrl_blk *last_busy;        /* 4C */
 533         struct scsi_ctrl_blk *first_done;       /* 50 */
 534         struct scsi_ctrl_blk *last_done;        /* 54 */
 535         u8 max_tags[16];        /* 58 */
 536         u8 act_tags[16];        /* 68 */
 537         struct target_control targets[MAX_TARGETS];     /* 78 */
 538         spinlock_t avail_lock;
 539         spinlock_t semaph_lock;
 540         struct pci_dev *pci_dev;
 541 };
 542
 543 /* Bit Definition for HCB_Config */
 544 #define HCC_SCSI_RESET          0x01
 545 #define HCC_EN_PAR              0x02
 546 #define HCC_ACT_TERM1           0x04
 547 #define HCC_ACT_TERM2           0x08
 548 #define HCC_AUTO_TERM           0x10
 549 #define HCC_EN_PWR              0x80
 550
 551 /* Bit Definition for HCB_Flags */
 552 #define HCF_EXPECT_DISC         0x01
 553 #define HCF_EXPECT_SELECT       0x02
 554 #define HCF_EXPECT_RESET        0x10
 555 #define HCF_EXPECT_DONE_DISC    0x20
 556
 557 /******************************************************************
 558         Serial EEProm
 559 *******************************************************************/
 560
 561 typedef struct _NVRAM_SCSI {    /* SCSI channel configuration   */
 562         u8 NVM_ChSCSIID;        /* 0Ch -> Channel SCSI ID       */
 563         u8 NVM_ChConfig1;       /* 0Dh -> Channel config 1      */
 564         u8 NVM_ChConfig2;       /* 0Eh -> Channel config 2      */
 565         u8 NVM_NumOfTarg;       /* 0Fh -> Number of SCSI target */
 566         /* SCSI target configuration    */
 567         u8 NVM_Targ0Config;     /* 10h -> Target 0 configuration */
 568         u8 NVM_Targ1Config;     /* 11h -> Target 1 configuration */
 569         u8 NVM_Targ2Config;     /* 12h -> Target 2 configuration */
 570         u8 NVM_Targ3Config;     /* 13h -> Target 3 configuration */
 571         u8 NVM_Targ4Config;     /* 14h -> Target 4 configuration */
 572         u8 NVM_Targ5Config;     /* 15h -> Target 5 configuration */
 573         u8 NVM_Targ6Config;     /* 16h -> Target 6 configuration */
 574         u8 NVM_Targ7Config;     /* 17h -> Target 7 configuration */
 575         u8 NVM_Targ8Config;     /* 18h -> Target 8 configuration */
 576         u8 NVM_Targ9Config;     /* 19h -> Target 9 configuration */
 577         u8 NVM_TargAConfig;     /* 1Ah -> Target A configuration */
 578         u8 NVM_TargBConfig;     /* 1Bh -> Target B configuration */
 579         u8 NVM_TargCConfig;     /* 1Ch -> Target C configuration */
 580         u8 NVM_TargDConfig;     /* 1Dh -> Target D configuration */
 581         u8 NVM_TargEConfig;     /* 1Eh -> Target E configuration */
 582         u8 NVM_TargFConfig;     /* 1Fh -> Target F configuration */
 583 } NVRAM_SCSI;
 584
 585 typedef struct _NVRAM {
 586 /*----------header ---------------*/
 587         u16 NVM_Signature;      /* 0,1: Signature */
 588         u8 NVM_Size;            /* 2:   Size of data structure */
 589         u8 NVM_Revision;        /* 3:   Revision of data structure */
 590         /* ----Host Adapter Structure ---- */
 591         u8 NVM_ModelByte0;      /* 4:   Model number (byte 0) */
 592         u8 NVM_ModelByte1;      /* 5:   Model number (byte 1) */
 593         u8 NVM_ModelInfo;       /* 6:   Model information         */
 594         u8 NVM_NumOfCh; /* 7:   Number of SCSI channel */
 595         u8 NVM_BIOSConfig1;     /* 8:   BIOS configuration 1  */
 596         u8 NVM_BIOSConfig2;     /* 9:   BIOS configuration 2  */
 597         u8 NVM_HAConfig1;       /* A:   Hoat adapter configuration 1 */
 598         u8 NVM_HAConfig2;       /* B:   Hoat adapter configuration 2 */
 599         NVRAM_SCSI NVM_SCSIInfo[2];
 600         u8 NVM_reserved[10];
 601         /* ---------- CheckSum ----------       */
 602         u16 NVM_CheckSum;       /* 0x3E, 0x3F: Checksum of NVRam        */
 603 } NVRAM, *PNVRAM;
 604
 605 /* Bios Configuration for nvram->BIOSConfig1                            */
 606 #define NBC1_ENABLE             0x01    /* BIOS enable                  */
 607 #define NBC1_8DRIVE             0x02    /* Support more than 2 drives   */
 608 #define NBC1_REMOVABLE          0x04    /* Support removable drive      */
 609 #define NBC1_INT19              0x08    /* Intercept int 19h            */
 610 #define NBC1_BIOSSCAN           0x10    /* Dynamic BIOS scan            */
 611 #define NBC1_LUNSUPPORT         0x40    /* Support LUN                  */
 612
 613 /* HA Configuration Byte 1                                              */
 614 #define NHC1_BOOTIDMASK 0x0F    /* Boot ID number               */
 615 #define NHC1_LUNMASK    0x70    /* Boot LUN number              */
 616 #define NHC1_CHANMASK   0x80    /* Boot Channel number          */
 617
 618 /* Bit definition for nvram->SCSIconfig1                                */
 619 #define NCC1_BUSRESET           0x01    /* Reset SCSI bus at power up   */
 620 #define NCC1_PARITYCHK          0x02    /* SCSI parity enable           */
 621 #define NCC1_ACTTERM1           0x04    /* Enable active terminator 1   */
 622 #define NCC1_ACTTERM2           0x08    /* Enable active terminator 2   */
 623 #define NCC1_AUTOTERM           0x10    /* Enable auto terminator       */
 624 #define NCC1_PWRMGR             0x80    /* Enable power management      */
 625
 626 /* Bit definition for SCSI Target configuration byte                    */
 627 #define NTC_DISCONNECT          0x08    /* Enable SCSI disconnect       */
 628 #define NTC_SYNC                0x10    /* SYNC_NEGO                    */
 629 #define NTC_NO_WDTR             0x20    /* SYNC_NEGO                    */
 630 #define NTC_1GIGA               0x40    /* 255 head / 63 sectors (64/32) */
 631 #define NTC_SPINUP              0x80    /* Start disk drive             */
 632
 633 /*      Default NVRam values                                            */
 634 #define INI_SIGNATURE           0xC925
 635 #define NBC1_DEFAULT            (NBC1_ENABLE)
 636 #define NCC1_DEFAULT            (NCC1_BUSRESET | NCC1_AUTOTERM | NCC1_PARITYCHK)
 637 #define NTC_DEFAULT             (NTC_NO_WDTR | NTC_1GIGA | NTC_DISCONNECT)
 638
 639 /* SCSI related definition                                              */
 640 #define DISC_NOT_ALLOW          0x80    /* Disconnect is not allowed    */
 641 #define DISC_ALLOW              0xC0    /* Disconnect is allowed        */
 642 #define SCSICMD_RequestSense    0x03
 643
 644 #define SCSI_ABORT_SNOOZE 0
 645 #define SCSI_ABORT_SUCCESS 1
 646 #define SCSI_ABORT_PENDING 2
 647 #define SCSI_ABORT_BUSY 3
 648 #define SCSI_ABORT_NOT_RUNNING 4
 649 #define SCSI_ABORT_ERROR 5
 650
 651 #define SCSI_RESET_SNOOZE 0
 652 #define SCSI_RESET_PUNT 1
 653 #define SCSI_RESET_SUCCESS 2
 654 #define SCSI_RESET_PENDING 3
 655 #define SCSI_RESET_WAKEUP 4
 656 #define SCSI_RESET_NOT_RUNNING 5
 657 #define SCSI_RESET_ERROR 6
 658
 659 #define SCSI_RESET_SYNCHRONOUS          0x01
 660 #define SCSI_RESET_ASYNCHRONOUS         0x02
 661 #define SCSI_RESET_SUGGEST_BUS_RESET    0x04
 662 #define SCSI_RESET_SUGGEST_HOST_RESET   0x08
 663
 664 #define SCSI_RESET_BUS_RESET 0x100
 665 #define SCSI_RESET_HOST_RESET 0x200
 666 #define SCSI_RESET_ACTION   0xff
 667