drivers/scsi/qlogicpti.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /* qlogicpti.h: Performance Technologies QlogicISP sbus card defines.
   3  *
   4  * Copyright (C) 1996 David S. Miller (davem@caipfs.rutgers.edu)
   5  */
   6
   7 #ifndef _QLOGICPTI_H
   8 #define _QLOGICPTI_H
   9
  10 /* Qlogic/SBUS controller registers. */
  11 #define SBUS_CFG1       0x006UL
  12 #define SBUS_CTRL       0x008UL
  13 #define SBUS_STAT       0x00aUL
  14 #define SBUS_SEMAPHORE  0x00cUL
  15 #define CMD_DMA_CTRL    0x022UL
  16 #define DATA_DMA_CTRL   0x042UL
  17 #define MBOX0           0x080UL
  18 #define MBOX1           0x082UL
  19 #define MBOX2           0x084UL
  20 #define MBOX3           0x086UL
  21 #define MBOX4           0x088UL
  22 #define MBOX5           0x08aUL
  23 #define CPU_CMD         0x214UL
  24 #define CPU_ORIDE       0x224UL
  25 #define CPU_PCTRL       0x272UL
  26 #define CPU_PDIFF       0x276UL
  27 #define RISC_PSR        0x420UL
  28 #define RISC_MTREG      0x42EUL
  29 #define HCCTRL          0x440UL
  30
  31 /* SCSI parameters for this driver. */
  32 #define MAX_TARGETS     16
  33 #define MAX_LUNS        8
  34
  35 /* With the qlogic interface, every queue slot can hold a SCSI
  36  * command with up to 4 scatter/gather entries.  If we need more
  37  * than 4 entries, continuation entries can be used that hold
  38  * another 7 entries each.  Unlike for other drivers, this means
  39  * that the maximum number of scatter/gather entries we can
  40  * support at any given time is a function of the number of queue
  41  * slots available.  That is, host->can_queue and host->sg_tablesize
  42  * are dynamic and _not_ independent.  This all works fine because
  43  * requests are queued serially and the scatter/gather limit is
  44  * determined for each queue request anew.
  45  */
  46 #define QLOGICPTI_REQ_QUEUE_LEN 255     /* must be power of two - 1 */
  47 #define QLOGICPTI_MAX_SG(ql)    (4 + (((ql) > 0) ? 7*((ql) - 1) : 0))
  48
  49 /* mailbox command complete status codes */
  50 #define MBOX_COMMAND_COMPLETE           0x4000
  51 #define INVALID_COMMAND                 0x4001
  52 #define HOST_INTERFACE_ERROR            0x4002
  53 #define TEST_FAILED                     0x4003
  54 #define COMMAND_ERROR                   0x4005
  55 #define COMMAND_PARAM_ERROR             0x4006
  56
  57 /* async event status codes */
  58 #define ASYNC_SCSI_BUS_RESET            0x8001
  59 #define SYSTEM_ERROR                    0x8002
  60 #define REQUEST_TRANSFER_ERROR          0x8003
  61 #define RESPONSE_TRANSFER_ERROR         0x8004
  62 #define REQUEST_QUEUE_WAKEUP            0x8005
  63 #define EXECUTION_TIMEOUT_RESET         0x8006
  64
  65 /* Am I fucking pedantic or what? */
  66 struct Entry_header {
  67 #ifdef __BIG_ENDIAN
  68         u8      entry_cnt;
  69         u8      entry_type;
  70         u8      flags;
  71         u8      sys_def_1;
  72 #else /* __LITTLE_ENDIAN */
  73         u8      entry_type;
  74         u8      entry_cnt;
  75         u8      sys_def_1;
  76         u8      flags;
  77 #endif
  78 };
  79
  80 /* entry header type commands */
  81 #define ENTRY_COMMAND           1
  82 #define ENTRY_CONTINUATION      2
  83 #define ENTRY_STATUS            3
  84 #define ENTRY_MARKER            4
  85 #define ENTRY_EXTENDED_COMMAND  5
  86
  87 /* entry header flag definitions */
  88 #define EFLAG_CONTINUATION      1
  89 #define EFLAG_BUSY              2
  90 #define EFLAG_BAD_HEADER        4
  91 #define EFLAG_BAD_PAYLOAD       8
  92
  93 struct dataseg {
  94         u32     d_base;
  95         u32     d_count;
  96 };
  97
  98 struct Command_Entry {
  99         struct Entry_header     hdr;
 100         u32                     handle;
 101 #ifdef __BIG_ENDIAN
 102         u8                      target_id;
 103         u8                      target_lun;
 104 #else /* __LITTLE_ENDIAN */
 105         u8                      target_lun;
 106         u8                      target_id;
 107 #endif
 108         u16                     cdb_length;
 109         u16                     control_flags;
 110         u16                     rsvd;
 111         u16                     time_out;
 112         u16                     segment_cnt;
 113         u8                      cdb[12];
 114         struct dataseg          dataseg[4];
 115 };
 116
 117 /* command entry control flag definitions */
 118 #define CFLAG_NODISC            0x01
 119 #define CFLAG_HEAD_TAG          0x02
 120 #define CFLAG_ORDERED_TAG       0x04
 121 #define CFLAG_SIMPLE_TAG        0x08
 122 #define CFLAG_TAR_RTN           0x10
 123 #define CFLAG_READ              0x20
 124 #define CFLAG_WRITE             0x40
 125
 126 struct Ext_Command_Entry {
 127         struct Entry_header     hdr;
 128         u32                     handle;
 129 #ifdef __BIG_ENDIAN
 130         u8                      target_id;
 131         u8                      target_lun;
 132 #else /* __LITTLE_ENDIAN */
 133         u8                      target_lun;
 134         u8                      target_id;
 135 #endif
 136         u16                     cdb_length;
 137         u16                     control_flags;
 138         u16                     rsvd;
 139         u16                     time_out;
 140         u16                     segment_cnt;
 141         u8                      cdb[44];
 142 };
 143
 144 struct Continuation_Entry {
 145         struct Entry_header     hdr;
 146         u32                     reserved;
 147         struct dataseg          dataseg[7];
 148 };
 149
 150 struct Marker_Entry {
 151         struct Entry_header     hdr;
 152         u32                     reserved;
 153 #ifdef __BIG_ENDIAN
 154         u8                      target_id;
 155         u8                      target_lun;
 156 #else /* __LITTLE_ENDIAN */
 157         u8                      target_lun;
 158         u8                      target_id;
 159 #endif
 160 #ifdef __BIG_ENDIAN
 161         u8                      rsvd;
 162         u8                      modifier;
 163 #else /* __LITTLE_ENDIAN */
 164         u8                      modifier;
 165         u8                      rsvd;
 166 #endif
 167         u8                      rsvds[52];
 168 };
 169
 170 /* marker entry modifier definitions */
 171 #define SYNC_DEVICE     0
 172 #define SYNC_TARGET     1
 173 #define SYNC_ALL        2
 174
 175 struct Status_Entry {
 176         struct Entry_header     hdr;
 177         u32                     handle;
 178         u16                     scsi_status;
 179         u16                     completion_status;
 180         u16                     state_flags;
 181         u16                     status_flags;
 182         u16                     time;
 183         u16                     req_sense_len;
 184         u32                     residual;
 185         u8                      rsvd[8];
 186         u8                      req_sense_data[32];
 187 };
 188
 189 /* status entry completion status definitions */
 190 #define CS_COMPLETE                     0x0000
 191 #define CS_INCOMPLETE                   0x0001
 192 #define CS_DMA_ERROR                    0x0002
 193 #define CS_TRANSPORT_ERROR              0x0003
 194 #define CS_RESET_OCCURRED               0x0004
 195 #define CS_ABORTED                      0x0005
 196 #define CS_TIMEOUT                      0x0006
 197 #define CS_DATA_OVERRUN                 0x0007
 198 #define CS_COMMAND_OVERRUN              0x0008
 199 #define CS_STATUS_OVERRUN               0x0009
 200 #define CS_BAD_MESSAGE                  0x000a
 201 #define CS_NO_MESSAGE_OUT               0x000b
 202 #define CS_EXT_ID_FAILED                0x000c
 203 #define CS_IDE_MSG_FAILED               0x000d
 204 #define CS_ABORT_MSG_FAILED             0x000e
 205 #define CS_REJECT_MSG_FAILED            0x000f
 206 #define CS_NOP_MSG_FAILED               0x0010
 207 #define CS_PARITY_ERROR_MSG_FAILED      0x0011
 208 #define CS_DEVICE_RESET_MSG_FAILED      0x0012
 209 #define CS_ID_MSG_FAILED                0x0013
 210 #define CS_UNEXP_BUS_FREE               0x0014
 211 #define CS_DATA_UNDERRUN                0x0015
 212 #define CS_BUS_RESET                    0x001c
 213
 214 /* status entry state flag definitions */
 215 #define SF_GOT_BUS                      0x0100
 216 #define SF_GOT_TARGET                   0x0200
 217 #define SF_SENT_CDB                     0x0400
 218 #define SF_TRANSFERRED_DATA             0x0800
 219 #define SF_GOT_STATUS                   0x1000
 220 #define SF_GOT_SENSE                    0x2000
 221
 222 /* status entry status flag definitions */
 223 #define STF_DISCONNECT                  0x0001
 224 #define STF_SYNCHRONOUS                 0x0002
 225 #define STF_PARITY_ERROR                0x0004
 226 #define STF_BUS_RESET                   0x0008
 227 #define STF_DEVICE_RESET                0x0010
 228 #define STF_ABORTED                     0x0020
 229 #define STF_TIMEOUT                     0x0040
 230 #define STF_NEGOTIATION                 0x0080
 231
 232 /* mailbox commands */
 233 #define MBOX_NO_OP                      0x0000
 234 #define MBOX_LOAD_RAM                   0x0001
 235 #define MBOX_EXEC_FIRMWARE              0x0002
 236 #define MBOX_DUMP_RAM                   0x0003
 237 #define MBOX_WRITE_RAM_WORD             0x0004
 238 #define MBOX_READ_RAM_WORD              0x0005
 239 #define MBOX_MAILBOX_REG_TEST           0x0006
 240 #define MBOX_VERIFY_CHECKSUM            0x0007
 241 #define MBOX_ABOUT_FIRMWARE             0x0008
 242 #define MBOX_CHECK_FIRMWARE             0x000e
 243 #define MBOX_INIT_REQ_QUEUE             0x0010
 244 #define MBOX_INIT_RES_QUEUE             0x0011
 245 #define MBOX_EXECUTE_IOCB               0x0012
 246 #define MBOX_WAKE_UP                    0x0013
 247 #define MBOX_STOP_FIRMWARE              0x0014
 248 #define MBOX_ABORT                      0x0015
 249 #define MBOX_ABORT_DEVICE               0x0016
 250 #define MBOX_ABORT_TARGET               0x0017
 251 #define MBOX_BUS_RESET                  0x0018
 252 #define MBOX_STOP_QUEUE                 0x0019
 253 #define MBOX_START_QUEUE                0x001a
 254 #define MBOX_SINGLE_STEP_QUEUE          0x001b
 255 #define MBOX_ABORT_QUEUE                0x001c
 256 #define MBOX_GET_DEV_QUEUE_STATUS       0x001d
 257 #define MBOX_GET_FIRMWARE_STATUS        0x001f
 258 #define MBOX_GET_INIT_SCSI_ID           0x0020
 259 #define MBOX_GET_SELECT_TIMEOUT         0x0021
 260 #define MBOX_GET_RETRY_COUNT            0x0022
 261 #define MBOX_GET_TAG_AGE_LIMIT          0x0023
 262 #define MBOX_GET_CLOCK_RATE             0x0024
 263 #define MBOX_GET_ACT_NEG_STATE          0x0025
 264 #define MBOX_GET_ASYNC_DATA_SETUP_TIME  0x0026
 265 #define MBOX_GET_SBUS_PARAMS            0x0027
 266 #define MBOX_GET_TARGET_PARAMS          0x0028
 267 #define MBOX_GET_DEV_QUEUE_PARAMS       0x0029
 268 #define MBOX_SET_INIT_SCSI_ID           0x0030
 269 #define MBOX_SET_SELECT_TIMEOUT         0x0031
 270 #define MBOX_SET_RETRY_COUNT            0x0032
 271 #define MBOX_SET_TAG_AGE_LIMIT          0x0033
 272 #define MBOX_SET_CLOCK_RATE             0x0034
 273 #define MBOX_SET_ACTIVE_NEG_STATE       0x0035
 274 #define MBOX_SET_ASYNC_DATA_SETUP_TIME  0x0036
 275 #define MBOX_SET_SBUS_CONTROL_PARAMS    0x0037
 276 #define MBOX_SET_TARGET_PARAMS          0x0038
 277 #define MBOX_SET_DEV_QUEUE_PARAMS       0x0039
 278
 279 struct host_param {
 280         u_short         initiator_scsi_id;
 281         u_short         bus_reset_delay;
 282         u_short         retry_count;
 283         u_short         retry_delay;
 284         u_short         async_data_setup_time;
 285         u_short         req_ack_active_negation;
 286         u_short         data_line_active_negation;
 287         u_short         data_dma_burst_enable;
 288         u_short         command_dma_burst_enable;
 289         u_short         tag_aging;
 290         u_short         selection_timeout;
 291         u_short         max_queue_depth;
 292 };
 293
 294 /*
 295  * Device Flags:
 296  *
 297  * Bit  Name
 298  * ---------
 299  *  7   Disconnect Privilege
 300  *  6   Parity Checking
 301  *  5   Wide Data Transfers
 302  *  4   Synchronous Data Transfers
 303  *  3   Tagged Queuing
 304  *  2   Automatic Request Sense
 305  *  1   Stop Queue on Check Condition
 306  *  0   Renegotiate on Error
 307  */
 308
 309 struct dev_param {
 310         u_short         device_flags;
 311         u_short         execution_throttle;
 312         u_short         synchronous_period;
 313         u_short         synchronous_offset;
 314         u_short         device_enable;
 315         u_short         reserved; /* pad */
 316 };
 317
 318 /*
 319  * The result queue can be quite a bit smaller since continuation entries
 320  * do not show up there:
 321  */
 322 #define RES_QUEUE_LEN           255     /* Must be power of two - 1 */
 323 #define QUEUE_ENTRY_LEN         64
 324
 325 #define NEXT_REQ_PTR(wheee)   (((wheee) + 1) & QLOGICPTI_REQ_QUEUE_LEN)
 326 #define NEXT_RES_PTR(wheee)   (((wheee) + 1) & RES_QUEUE_LEN)
 327 #define PREV_REQ_PTR(wheee)   (((wheee) - 1) & QLOGICPTI_REQ_QUEUE_LEN)
 328 #define PREV_RES_PTR(wheee)   (((wheee) - 1) & RES_QUEUE_LEN)
 329
 330 struct pti_queue_entry {
 331         char __opaque[QUEUE_ENTRY_LEN];
 332 };
 333
 334 struct scsi_cmnd;
 335
 336 /* Software state for the driver. */
 337 struct qlogicpti {
 338         /* These are the hot elements in the cache, so they come first. */
 339         void __iomem             *qregs;                /* Adapter registers          */
 340         struct pti_queue_entry   *res_cpu;              /* Ptr to RESPONSE bufs (CPU) */
 341         struct pti_queue_entry   *req_cpu;              /* Ptr to REQUEST bufs (CPU)  */
 342
 343         u_int                     req_in_ptr;           /* index of next request slot */
 344         u_int                     res_out_ptr;          /* index of next result slot  */
 345         long                      send_marker;          /* must we send a marker?     */
 346         struct platform_device   *op;
 347         unsigned long             __pad;
 348
 349         int                       cmd_count[MAX_TARGETS];
 350         unsigned long             tag_ages[MAX_TARGETS];
 351
 352         /* The cmd->handler is only 32-bits, so that things work even on monster
 353          * Ex000 sparc64 machines with >4GB of ram we just keep track of the
 354          * scsi command pointers here.  This is essentially what Matt Jacob does. -DaveM
 355          */
 356         struct scsi_cmnd         *cmd_slots[QLOGICPTI_REQ_QUEUE_LEN + 1];
 357
 358         /* The rest of the elements are unimportant for performance. */
 359         struct qlogicpti         *next;
 360         dma_addr_t                res_dvma;             /* Ptr to RESPONSE bufs (DVMA)*/
 361         dma_addr_t                req_dvma;             /* Ptr to REQUEST bufs (DVMA) */
 362         u_char                    fware_majrev, fware_minrev, fware_micrev;
 363         struct Scsi_Host         *qhost;
 364         int                       qpti_id;
 365         int                       scsi_id;
 366         int                       prom_node;
 367         char                      prom_name[64];
 368         int                       irq;
 369         char                      differential, ultra, clock;
 370         unsigned char             bursts;
 371         struct  host_param        host_param;
 372         struct  dev_param         dev_param[MAX_TARGETS];
 373
 374         void __iomem              *sreg;
 375 #define SREG_TPOWER               0x80   /* State of termpwr           */
 376 #define SREG_FUSE                 0x40   /* State of on board fuse     */
 377 #define SREG_PDISAB               0x20   /* Disable state for power on */
 378 #define SREG_DSENSE               0x10   /* Sense for differential     */
 379 #define SREG_IMASK                0x0c   /* Interrupt level            */
 380 #define SREG_SPMASK               0x03   /* Mask for switch pack       */
 381         unsigned char             swsreg;
 382         unsigned int
 383                 gotirq  :       1,      /* this instance got an irq */
 384                 is_pti  :       1;      /* Non-zero if this is a PTI board. */
 385 };
 386
 387 /* How to twiddle them bits... */
 388
 389 /* SBUS config register one. */
 390 #define SBUS_CFG1_EPAR          0x0100      /* Enable parity checking           */
 391 #define SBUS_CFG1_FMASK         0x00f0      /* Forth code cycle mask            */
 392 #define SBUS_CFG1_BENAB         0x0004      /* Burst dvma enable                */
 393 #define SBUS_CFG1_B64           0x0003      /* Enable 64byte bursts             */
 394 #define SBUS_CFG1_B32           0x0002      /* Enable 32byte bursts             */
 395 #define SBUS_CFG1_B16           0x0001      /* Enable 16byte bursts             */
 396 #define SBUS_CFG1_B8            0x0008      /* Enable 8byte bursts              */
 397
 398 /* SBUS control register */
 399 #define SBUS_CTRL_EDIRQ         0x0020      /* Enable Data DVMA Interrupts      */
 400 #define SBUS_CTRL_ECIRQ         0x0010      /* Enable Command DVMA Interrupts   */
 401 #define SBUS_CTRL_ESIRQ         0x0008      /* Enable SCSI Processor Interrupts */
 402 #define SBUS_CTRL_ERIRQ         0x0004      /* Enable RISC Processor Interrupts */
 403 #define SBUS_CTRL_GENAB         0x0002      /* Global Interrupt Enable          */
 404 #define SBUS_CTRL_RESET         0x0001      /* Soft Reset                       */
 405
 406 /* SBUS status register */
 407 #define SBUS_STAT_DINT          0x0020      /* Data DVMA IRQ pending            */
 408 #define SBUS_STAT_CINT          0x0010      /* Command DVMA IRQ pending         */
 409 #define SBUS_STAT_SINT          0x0008      /* SCSI Processor IRQ pending       */
 410 #define SBUS_STAT_RINT          0x0004      /* RISC Processor IRQ pending       */
 411 #define SBUS_STAT_GINT          0x0002      /* Global IRQ pending               */
 412
 413 /* SBUS semaphore register */
 414 #define SBUS_SEMAPHORE_STAT     0x0002      /* Semaphore status bit             */
 415 #define SBUS_SEMAPHORE_LCK      0x0001      /* Semaphore lock bit               */
 416
 417 /* DVMA control register */
 418 #define DMA_CTRL_CSUSPEND       0x0010      /* DMA channel suspend              */
 419 #define DMA_CTRL_CCLEAR         0x0008      /* DMA channel clear and reset      */
 420 #define DMA_CTRL_FCLEAR         0x0004      /* DMA fifo clear                   */
 421 #define DMA_CTRL_CIRQ           0x0002      /* DMA irq clear                    */
 422 #define DMA_CTRL_DMASTART       0x0001      /* DMA transfer start               */
 423
 424 /* SCSI processor override register */
 425 #define CPU_ORIDE_ETRIG         0x8000      /* External trigger enable          */
 426 #define CPU_ORIDE_STEP          0x4000      /* Single step mode enable          */
 427 #define CPU_ORIDE_BKPT          0x2000      /* Breakpoint reg enable            */
 428 #define CPU_ORIDE_PWRITE        0x1000      /* SCSI pin write enable            */
 429 #define CPU_ORIDE_OFORCE        0x0800      /* Force outputs on                 */
 430 #define CPU_ORIDE_LBACK         0x0400      /* SCSI loopback enable             */
 431 #define CPU_ORIDE_PTEST         0x0200      /* Parity test enable               */
 432 #define CPU_ORIDE_TENAB         0x0100      /* SCSI pins tristate enable        */
 433 #define CPU_ORIDE_TPINS         0x0080      /* SCSI pins enable                 */
 434 #define CPU_ORIDE_FRESET        0x0008      /* FIFO reset                       */
 435 #define CPU_ORIDE_CTERM         0x0004      /* Command terminate                */
 436 #define CPU_ORIDE_RREG          0x0002      /* Reset SCSI processor regs        */
 437 #define CPU_ORIDE_RMOD          0x0001      /* Reset SCSI processor module      */
 438
 439 /* SCSI processor commands */
 440 #define CPU_CMD_BRESET          0x300b      /* Reset SCSI bus                   */
 441
 442 /* SCSI processor pin control register */
 443 #define CPU_PCTRL_PVALID        0x8000      /* Phase bits are valid             */
 444 #define CPU_PCTRL_PHI           0x0400      /* Parity bit high                  */
 445 #define CPU_PCTRL_PLO           0x0200      /* Parity bit low                   */
 446 #define CPU_PCTRL_REQ           0x0100      /* REQ bus signal                   */
 447 #define CPU_PCTRL_ACK           0x0080      /* ACK bus signal                   */
 448 #define CPU_PCTRL_RST           0x0040      /* RST bus signal                   */
 449 #define CPU_PCTRL_BSY           0x0020      /* BSY bus signal                   */
 450 #define CPU_PCTRL_SEL           0x0010      /* SEL bus signal                   */
 451 #define CPU_PCTRL_ATN           0x0008      /* ATN bus signal                   */
 452 #define CPU_PCTRL_MSG           0x0004      /* MSG bus signal                   */
 453 #define CPU_PCTRL_CD            0x0002      /* CD bus signal                    */
 454 #define CPU_PCTRL_IO            0x0001      /* IO bus signal                    */
 455
 456 /* SCSI processor differential pins register */
 457 #define CPU_PDIFF_SENSE         0x0200      /* Differential sense               */
 458 #define CPU_PDIFF_MODE          0x0100      /* Differential mode                */
 459 #define CPU_PDIFF_OENAB         0x0080      /* Outputs enable                   */
 460 #define CPU_PDIFF_PMASK         0x007c      /* Differential control pins        */
 461 #define CPU_PDIFF_TGT           0x0002      /* Target mode enable               */
 462 #define CPU_PDIFF_INIT          0x0001      /* Initiator mode enable            */
 463
 464 /* RISC processor status register */
 465 #define RISC_PSR_FTRUE          0x8000      /* Force true                       */
 466 #define RISC_PSR_LCD            0x4000      /* Loop counter shows done status   */
 467 #define RISC_PSR_RIRQ           0x2000      /* RISC irq status                  */
 468 #define RISC_PSR_TOFLOW         0x1000      /* Timer overflow (rollover)        */
 469 #define RISC_PSR_AOFLOW         0x0800      /* Arithmetic overflow              */
 470 #define RISC_PSR_AMSB           0x0400      /* Arithmetic big endian            */
 471 #define RISC_PSR_ACARRY         0x0200      /* Arithmetic carry                 */
 472 #define RISC_PSR_AZERO          0x0100      /* Arithmetic zero                  */
 473 #define RISC_PSR_ULTRA          0x0020      /* Ultra mode                       */
 474 #define RISC_PSR_DIRQ           0x0010      /* DVMA interrupt                   */
 475 #define RISC_PSR_SIRQ           0x0008      /* SCSI processor interrupt         */
 476 #define RISC_PSR_HIRQ           0x0004      /* Host interrupt                   */
 477 #define RISC_PSR_IPEND          0x0002      /* Interrupt pending                */
 478 #define RISC_PSR_FFALSE         0x0001      /* Force false                      */
 479
 480 /* RISC processor memory timing register */
 481 #define RISC_MTREG_P1DFLT       0x1200      /* Default read/write timing, pg1   */
 482 #define RISC_MTREG_P0DFLT       0x0012      /* Default read/write timing, pg0   */
 483 #define RISC_MTREG_P1ULTRA      0x2300      /* Ultra-mode rw timing, pg1        */
 484 #define RISC_MTREG_P0ULTRA      0x0023      /* Ultra-mode rw timing, pg0        */
 485
 486 /* Host command/ctrl register */
 487 #define HCCTRL_NOP              0x0000      /* CMD: No operation                */
 488 #define HCCTRL_RESET            0x1000      /* CMD: Reset RISC cpu              */
 489 #define HCCTRL_PAUSE            0x2000      /* CMD: Pause RISC cpu              */
 490 #define HCCTRL_REL              0x3000      /* CMD: Release paused RISC cpu     */
 491 #define HCCTRL_STEP             0x4000      /* CMD: Single step RISC cpu        */
 492 #define HCCTRL_SHIRQ            0x5000      /* CMD: Set host irq                */
 493 #define HCCTRL_CHIRQ            0x6000      /* CMD: Clear host irq              */
 494 #define HCCTRL_CRIRQ            0x7000      /* CMD: Clear RISC cpu irq          */
 495 #define HCCTRL_BKPT             0x8000      /* CMD: Breakpoint enables change   */
 496 #define HCCTRL_TMODE            0xf000      /* CMD: Enable test mode            */
 497 #define HCCTRL_HIRQ             0x0080      /* Host IRQ pending                 */
 498 #define HCCTRL_RRIP             0x0040      /* RISC cpu reset in happening now  */
 499 #define HCCTRL_RPAUSED          0x0020      /* RISC cpu is paused now           */
 500 #define HCCTRL_EBENAB           0x0010      /* External breakpoint enable       */
 501 #define HCCTRL_B1ENAB           0x0008      /* Breakpoint 1 enable              */
 502 #define HCCTRL_B0ENAB           0x0004      /* Breakpoint 0 enable              */
 503
 504 /* For our interrupt engine. */
 505 #define for_each_qlogicpti(qp) \
 506         for((qp) = qptichain; (qp); (qp) = (qp)->next)
 507
 508 #endif /* !(_QLOGICPTI_H) */