git.oblomov.eu Git - linux-2.6/blob - drivers/infiniband/hw/ipath/ipath_registers.h

   1 /*
   2  * Copyright (c) 2006, 2007 QLogic Corporation. All rights reserved.
   3  * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
   4  *
   5  * This software is available to you under a choice of one of two
   6  * licenses.  You may choose to be licensed under the terms of the GNU
   7  * General Public License (GPL) Version 2, available from the file
   8  * COPYING in the main directory of this source tree, or the
   9  * OpenIB.org BSD license below:
  10  *
  11  *     Redistribution and use in source and binary forms, with or
  12  *     without modification, are permitted provided that the following
  13  *     conditions are met:
  14  *
  15  *      - Redistributions of source code must retain the above
  16  *        copyright notice, this list of conditions and the following
  17  *        disclaimer.
  18  *
  19  *      - Redistributions in binary form must reproduce the above
  20  *        copyright notice, this list of conditions and the following
  21  *        disclaimer in the documentation and/or other materials
  22  *        provided with the distribution.
  23  *
  24  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  25  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  26  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  27  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  28  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  29  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  30  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  31  * SOFTWARE.
  32  */
  33
  34 #ifndef _IPATH_REGISTERS_H
  35 #define _IPATH_REGISTERS_H
  36
  37 /*
  38  * This file should only be included by kernel source, and by the diags.  It
  39  * defines the registers, and their contents, for InfiniPath chips.
  40  */
  41
  42 /*
  43  * These are the InfiniPath register and buffer bit definitions,
  44  * that are visible to software, and needed only by the kernel
  45  * and diag code.  A few, that are visible to protocol and user
  46  * code are in ipath_common.h.  Some bits are specific
  47  * to a given chip implementation, and have been moved to the
  48  * chip-specific source file
  49  */
  50
  51 /* kr_revision bits */
  52 #define INFINIPATH_R_CHIPREVMINOR_MASK 0xFF
  53 #define INFINIPATH_R_CHIPREVMINOR_SHIFT 0
  54 #define INFINIPATH_R_CHIPREVMAJOR_MASK 0xFF
  55 #define INFINIPATH_R_CHIPREVMAJOR_SHIFT 8
  56 #define INFINIPATH_R_ARCH_MASK 0xFF
  57 #define INFINIPATH_R_ARCH_SHIFT 16
  58 #define INFINIPATH_R_SOFTWARE_MASK 0xFF
  59 #define INFINIPATH_R_SOFTWARE_SHIFT 24
  60 #define INFINIPATH_R_BOARDID_MASK 0xFF
  61 #define INFINIPATH_R_BOARDID_SHIFT 32
  62
  63 /* kr_control bits */
  64 #define INFINIPATH_C_FREEZEMODE 0x00000002
  65 #define INFINIPATH_C_LINKENABLE 0x00000004
  66
  67 /* kr_sendctrl bits */
  68 #define INFINIPATH_S_DISARMPIOBUF_SHIFT 16
  69 #define INFINIPATH_S_UPDTHRESH_SHIFT 24
  70 #define INFINIPATH_S_UPDTHRESH_MASK 0x1f
  71
  72 #define IPATH_S_ABORT           0
  73 #define IPATH_S_PIOINTBUFAVAIL  1
  74 #define IPATH_S_PIOBUFAVAILUPD  2
  75 #define IPATH_S_PIOENABLE       3
  76 #define IPATH_S_SDMAINTENABLE   9
  77 #define IPATH_S_SDMASINGLEDESCRIPTOR    10
  78 #define IPATH_S_SDMAENABLE      11
  79 #define IPATH_S_SDMAHALT        12
  80 #define IPATH_S_DISARM          31
  81
  82 #define INFINIPATH_S_ABORT              (1U << IPATH_S_ABORT)
  83 #define INFINIPATH_S_PIOINTBUFAVAIL     (1U << IPATH_S_PIOINTBUFAVAIL)
  84 #define INFINIPATH_S_PIOBUFAVAILUPD     (1U << IPATH_S_PIOBUFAVAILUPD)
  85 #define INFINIPATH_S_PIOENABLE          (1U << IPATH_S_PIOENABLE)
  86 #define INFINIPATH_S_SDMAINTENABLE      (1U << IPATH_S_SDMAINTENABLE)
  87 #define INFINIPATH_S_SDMASINGLEDESCRIPTOR \
  88                                         (1U << IPATH_S_SDMASINGLEDESCRIPTOR)
  89 #define INFINIPATH_S_SDMAENABLE         (1U << IPATH_S_SDMAENABLE)
  90 #define INFINIPATH_S_SDMAHALT           (1U << IPATH_S_SDMAHALT)
  91 #define INFINIPATH_S_DISARM             (1U << IPATH_S_DISARM)
  92
  93 /* kr_rcvctrl bits that are the same on multiple chips */
  94 #define INFINIPATH_R_PORTENABLE_SHIFT 0
  95 #define INFINIPATH_R_QPMAP_ENABLE (1ULL << 38)
  96
  97 /* kr_intstatus, kr_intclear, kr_intmask bits */
  98 #define INFINIPATH_I_SDMAINT            0x8000000000000000ULL
  99 #define INFINIPATH_I_SDMADISABLED       0x4000000000000000ULL
 100 #define INFINIPATH_I_ERROR              0x0000000080000000ULL
 101 #define INFINIPATH_I_SPIOSENT           0x0000000040000000ULL
 102 #define INFINIPATH_I_SPIOBUFAVAIL       0x0000000020000000ULL
 103 #define INFINIPATH_I_GPIO               0x0000000010000000ULL
 104 #define INFINIPATH_I_JINT               0x0000000004000000ULL
 105
 106 /* kr_errorstatus, kr_errorclear, kr_errormask bits */
 107 #define INFINIPATH_E_RFORMATERR                 0x0000000000000001ULL
 108 #define INFINIPATH_E_RVCRC                      0x0000000000000002ULL
 109 #define INFINIPATH_E_RICRC                      0x0000000000000004ULL
 110 #define INFINIPATH_E_RMINPKTLEN                 0x0000000000000008ULL
 111 #define INFINIPATH_E_RMAXPKTLEN                 0x0000000000000010ULL
 112 #define INFINIPATH_E_RLONGPKTLEN                0x0000000000000020ULL
 113 #define INFINIPATH_E_RSHORTPKTLEN               0x0000000000000040ULL
 114 #define INFINIPATH_E_RUNEXPCHAR                 0x0000000000000080ULL
 115 #define INFINIPATH_E_RUNSUPVL                   0x0000000000000100ULL
 116 #define INFINIPATH_E_REBP                       0x0000000000000200ULL
 117 #define INFINIPATH_E_RIBFLOW                    0x0000000000000400ULL
 118 #define INFINIPATH_E_RBADVERSION                0x0000000000000800ULL
 119 #define INFINIPATH_E_RRCVEGRFULL                0x0000000000001000ULL
 120 #define INFINIPATH_E_RRCVHDRFULL                0x0000000000002000ULL
 121 #define INFINIPATH_E_RBADTID                    0x0000000000004000ULL
 122 #define INFINIPATH_E_RHDRLEN                    0x0000000000008000ULL
 123 #define INFINIPATH_E_RHDR                       0x0000000000010000ULL
 124 #define INFINIPATH_E_RIBLOSTLINK                0x0000000000020000ULL
 125 #define INFINIPATH_E_SENDSPECIALTRIGGER         0x0000000008000000ULL
 126 #define INFINIPATH_E_SDMADISABLED               0x0000000010000000ULL
 127 #define INFINIPATH_E_SMINPKTLEN                 0x0000000020000000ULL
 128 #define INFINIPATH_E_SMAXPKTLEN                 0x0000000040000000ULL
 129 #define INFINIPATH_E_SUNDERRUN                  0x0000000080000000ULL
 130 #define INFINIPATH_E_SPKTLEN                    0x0000000100000000ULL
 131 #define INFINIPATH_E_SDROPPEDSMPPKT             0x0000000200000000ULL
 132 #define INFINIPATH_E_SDROPPEDDATAPKT            0x0000000400000000ULL
 133 #define INFINIPATH_E_SPIOARMLAUNCH              0x0000000800000000ULL
 134 #define INFINIPATH_E_SUNEXPERRPKTNUM            0x0000001000000000ULL
 135 #define INFINIPATH_E_SUNSUPVL                   0x0000002000000000ULL
 136 #define INFINIPATH_E_SENDBUFMISUSE              0x0000004000000000ULL
 137 #define INFINIPATH_E_SDMAGENMISMATCH            0x0000008000000000ULL
 138 #define INFINIPATH_E_SDMAOUTOFBOUND             0x0000010000000000ULL
 139 #define INFINIPATH_E_SDMATAILOUTOFBOUND         0x0000020000000000ULL
 140 #define INFINIPATH_E_SDMABASE                   0x0000040000000000ULL
 141 #define INFINIPATH_E_SDMA1STDESC                0x0000080000000000ULL
 142 #define INFINIPATH_E_SDMARPYTAG                 0x0000100000000000ULL
 143 #define INFINIPATH_E_SDMADWEN                   0x0000200000000000ULL
 144 #define INFINIPATH_E_SDMAMISSINGDW              0x0000400000000000ULL
 145 #define INFINIPATH_E_SDMAUNEXPDATA              0x0000800000000000ULL
 146 #define INFINIPATH_E_IBSTATUSCHANGED            0x0001000000000000ULL
 147 #define INFINIPATH_E_INVALIDADDR                0x0002000000000000ULL
 148 #define INFINIPATH_E_RESET                      0x0004000000000000ULL
 149 #define INFINIPATH_E_HARDWARE                   0x0008000000000000ULL
 150 #define INFINIPATH_E_SDMADESCADDRMISALIGN       0x0010000000000000ULL
 151 #define INFINIPATH_E_INVALIDEEPCMD              0x0020000000000000ULL
 152
 153 /*
 154  * this is used to print "common" packet errors only when the
 155  * __IPATH_ERRPKTDBG bit is set in ipath_debug.
 156  */
 157 #define INFINIPATH_E_PKTERRS ( INFINIPATH_E_SPKTLEN \
 158                 | INFINIPATH_E_SDROPPEDDATAPKT | INFINIPATH_E_RVCRC \
 159                 | INFINIPATH_E_RICRC | INFINIPATH_E_RSHORTPKTLEN \
 160                 | INFINIPATH_E_REBP )
 161
 162 /* Convenience for decoding Send DMA errors */
 163 #define INFINIPATH_E_SDMAERRS ( \
 164         INFINIPATH_E_SDMAGENMISMATCH | INFINIPATH_E_SDMAOUTOFBOUND | \
 165         INFINIPATH_E_SDMATAILOUTOFBOUND | INFINIPATH_E_SDMABASE | \
 166         INFINIPATH_E_SDMA1STDESC | INFINIPATH_E_SDMARPYTAG | \
 167         INFINIPATH_E_SDMADWEN | INFINIPATH_E_SDMAMISSINGDW | \
 168         INFINIPATH_E_SDMAUNEXPDATA | \
 169         INFINIPATH_E_SDMADESCADDRMISALIGN | \
 170         INFINIPATH_E_SDMADISABLED | \
 171         INFINIPATH_E_SENDBUFMISUSE)
 172
 173 /* kr_hwerrclear, kr_hwerrmask, kr_hwerrstatus, bits */
 174 /* TXEMEMPARITYERR bit 0: PIObuf, 1: PIOpbc, 2: launchfifo
 175  * RXEMEMPARITYERR bit 0: rcvbuf, 1: lookupq, 2:  expTID, 3: eagerTID
 176  *              bit 4: flag buffer, 5: datainfo, 6: header info */
 177 #define INFINIPATH_HWE_TXEMEMPARITYERR_MASK 0xFULL
 178 #define INFINIPATH_HWE_TXEMEMPARITYERR_SHIFT 40
 179 #define INFINIPATH_HWE_RXEMEMPARITYERR_MASK 0x7FULL
 180 #define INFINIPATH_HWE_RXEMEMPARITYERR_SHIFT 44
 181 #define INFINIPATH_HWE_IBCBUSTOSPCPARITYERR 0x4000000000000000ULL
 182 #define INFINIPATH_HWE_IBCBUSFRSPCPARITYERR 0x8000000000000000ULL
 183 /* txe mem parity errors (shift by INFINIPATH_HWE_TXEMEMPARITYERR_SHIFT) */
 184 #define INFINIPATH_HWE_TXEMEMPARITYERR_PIOBUF   0x1ULL
 185 #define INFINIPATH_HWE_TXEMEMPARITYERR_PIOPBC   0x2ULL
 186 #define INFINIPATH_HWE_TXEMEMPARITYERR_PIOLAUNCHFIFO 0x4ULL
 187 /* rxe mem parity errors (shift by INFINIPATH_HWE_RXEMEMPARITYERR_SHIFT) */
 188 #define INFINIPATH_HWE_RXEMEMPARITYERR_RCVBUF   0x01ULL
 189 #define INFINIPATH_HWE_RXEMEMPARITYERR_LOOKUPQ  0x02ULL
 190 #define INFINIPATH_HWE_RXEMEMPARITYERR_EXPTID   0x04ULL
 191 #define INFINIPATH_HWE_RXEMEMPARITYERR_EAGERTID 0x08ULL
 192 #define INFINIPATH_HWE_RXEMEMPARITYERR_FLAGBUF  0x10ULL
 193 #define INFINIPATH_HWE_RXEMEMPARITYERR_DATAINFO 0x20ULL
 194 #define INFINIPATH_HWE_RXEMEMPARITYERR_HDRINFO  0x40ULL
 195 /* waldo specific -- find the rest in ipath_6110.c */
 196 #define INFINIPATH_HWE_RXDSYNCMEMPARITYERR  0x0000000400000000ULL
 197 /* 6120/7220 specific -- find the rest in ipath_6120.c and ipath_7220.c */
 198 #define INFINIPATH_HWE_MEMBISTFAILED    0x0040000000000000ULL
 199
 200 /* kr_hwdiagctrl bits */
 201 #define INFINIPATH_DC_FORCETXEMEMPARITYERR_MASK 0xFULL
 202 #define INFINIPATH_DC_FORCETXEMEMPARITYERR_SHIFT 40
 203 #define INFINIPATH_DC_FORCERXEMEMPARITYERR_MASK 0x7FULL
 204 #define INFINIPATH_DC_FORCERXEMEMPARITYERR_SHIFT 44
 205 #define INFINIPATH_DC_FORCERXDSYNCMEMPARITYERR  0x0000000400000000ULL
 206 #define INFINIPATH_DC_COUNTERDISABLE            0x1000000000000000ULL
 207 #define INFINIPATH_DC_COUNTERWREN               0x2000000000000000ULL
 208 #define INFINIPATH_DC_FORCEIBCBUSTOSPCPARITYERR 0x4000000000000000ULL
 209 #define INFINIPATH_DC_FORCEIBCBUSFRSPCPARITYERR 0x8000000000000000ULL
 210
 211 /* kr_ibcctrl bits */
 212 #define INFINIPATH_IBCC_FLOWCTRLPERIOD_MASK 0xFFULL
 213 #define INFINIPATH_IBCC_FLOWCTRLPERIOD_SHIFT 0
 214 #define INFINIPATH_IBCC_FLOWCTRLWATERMARK_MASK 0xFFULL
 215 #define INFINIPATH_IBCC_FLOWCTRLWATERMARK_SHIFT 8
 216 #define INFINIPATH_IBCC_LINKINITCMD_MASK 0x3ULL
 217 #define INFINIPATH_IBCC_LINKINITCMD_DISABLE 1
 218 /* cycle through TS1/TS2 till OK */
 219 #define INFINIPATH_IBCC_LINKINITCMD_POLL 2
 220 /* wait for TS1, then go on */
 221 #define INFINIPATH_IBCC_LINKINITCMD_SLEEP 3
 222 #define INFINIPATH_IBCC_LINKINITCMD_SHIFT 16
 223 #define INFINIPATH_IBCC_LINKCMD_MASK 0x3ULL
 224 #define INFINIPATH_IBCC_LINKCMD_DOWN 1          /* move to 0x11 */
 225 #define INFINIPATH_IBCC_LINKCMD_ARMED 2         /* move to 0x21 */
 226 #define INFINIPATH_IBCC_LINKCMD_ACTIVE 3        /* move to 0x31 */
 227 #define INFINIPATH_IBCC_LINKCMD_SHIFT 18
 228 #define INFINIPATH_IBCC_MAXPKTLEN_MASK 0x7FFULL
 229 #define INFINIPATH_IBCC_MAXPKTLEN_SHIFT 20
 230 #define INFINIPATH_IBCC_PHYERRTHRESHOLD_MASK 0xFULL
 231 #define INFINIPATH_IBCC_PHYERRTHRESHOLD_SHIFT 32
 232 #define INFINIPATH_IBCC_OVERRUNTHRESHOLD_MASK 0xFULL
 233 #define INFINIPATH_IBCC_OVERRUNTHRESHOLD_SHIFT 36
 234 #define INFINIPATH_IBCC_CREDITSCALE_MASK 0x7ULL
 235 #define INFINIPATH_IBCC_CREDITSCALE_SHIFT 40
 236 #define INFINIPATH_IBCC_LOOPBACK             0x8000000000000000ULL
 237 #define INFINIPATH_IBCC_LINKDOWNDEFAULTSTATE 0x4000000000000000ULL
 238
 239 /* kr_ibcstatus bits */
 240 #define INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT 0
 241 #define INFINIPATH_IBCS_LINKSTATE_MASK 0x7
 242
 243 #define INFINIPATH_IBCS_TXREADY       0x40000000
 244 #define INFINIPATH_IBCS_TXCREDITOK    0x80000000
 245 /* link training states (shift by
 246    INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT) */
 247 #define INFINIPATH_IBCS_LT_STATE_DISABLED       0x00
 248 #define INFINIPATH_IBCS_LT_STATE_LINKUP         0x01
 249 #define INFINIPATH_IBCS_LT_STATE_POLLACTIVE     0x02
 250 #define INFINIPATH_IBCS_LT_STATE_POLLQUIET      0x03
 251 #define INFINIPATH_IBCS_LT_STATE_SLEEPDELAY     0x04
 252 #define INFINIPATH_IBCS_LT_STATE_SLEEPQUIET     0x05
 253 #define INFINIPATH_IBCS_LT_STATE_CFGDEBOUNCE    0x08
 254 #define INFINIPATH_IBCS_LT_STATE_CFGRCVFCFG     0x09
 255 #define INFINIPATH_IBCS_LT_STATE_CFGWAITRMT     0x0a
 256 #define INFINIPATH_IBCS_LT_STATE_CFGIDLE        0x0b
 257 #define INFINIPATH_IBCS_LT_STATE_RECOVERRETRAIN 0x0c
 258 #define INFINIPATH_IBCS_LT_STATE_RECOVERWAITRMT 0x0e
 259 #define INFINIPATH_IBCS_LT_STATE_RECOVERIDLE    0x0f
 260 /* link state machine states (shift by ibcs_ls_shift) */
 261 #define INFINIPATH_IBCS_L_STATE_DOWN            0x0
 262 #define INFINIPATH_IBCS_L_STATE_INIT            0x1
 263 #define INFINIPATH_IBCS_L_STATE_ARM             0x2
 264 #define INFINIPATH_IBCS_L_STATE_ACTIVE          0x3
 265 #define INFINIPATH_IBCS_L_STATE_ACT_DEFER       0x4
 266
 267
 268 /* kr_extstatus bits */
 269 #define INFINIPATH_EXTS_SERDESPLLLOCK 0x1
 270 #define INFINIPATH_EXTS_GPIOIN_MASK 0xFFFFULL
 271 #define INFINIPATH_EXTS_GPIOIN_SHIFT 48
 272
 273 /* kr_extctrl bits */
 274 #define INFINIPATH_EXTC_GPIOINVERT_MASK 0xFFFFULL
 275 #define INFINIPATH_EXTC_GPIOINVERT_SHIFT 32
 276 #define INFINIPATH_EXTC_GPIOOE_MASK 0xFFFFULL
 277 #define INFINIPATH_EXTC_GPIOOE_SHIFT 48
 278 #define INFINIPATH_EXTC_SERDESENABLE         0x80000000ULL
 279 #define INFINIPATH_EXTC_SERDESCONNECT        0x40000000ULL
 280 #define INFINIPATH_EXTC_SERDESENTRUNKING     0x20000000ULL
 281 #define INFINIPATH_EXTC_SERDESDISRXFIFO      0x10000000ULL
 282 #define INFINIPATH_EXTC_SERDESENPLPBK1       0x08000000ULL
 283 #define INFINIPATH_EXTC_SERDESENPLPBK2       0x04000000ULL
 284 #define INFINIPATH_EXTC_SERDESENENCDEC       0x02000000ULL
 285 #define INFINIPATH_EXTC_LED1SECPORT_ON       0x00000020ULL
 286 #define INFINIPATH_EXTC_LED2SECPORT_ON       0x00000010ULL
 287 #define INFINIPATH_EXTC_LED1PRIPORT_ON       0x00000008ULL
 288 #define INFINIPATH_EXTC_LED2PRIPORT_ON       0x00000004ULL
 289 #define INFINIPATH_EXTC_LEDGBLOK_ON          0x00000002ULL
 290 #define INFINIPATH_EXTC_LEDGBLERR_OFF        0x00000001ULL
 291
 292 /* kr_partitionkey bits */
 293 #define INFINIPATH_PKEY_SIZE 16
 294 #define INFINIPATH_PKEY_MASK 0xFFFF
 295 #define INFINIPATH_PKEY_DEFAULT_PKEY 0xFFFF
 296
 297 /* kr_serdesconfig0 bits */
 298 #define INFINIPATH_SERDC0_RESET_MASK  0xfULL    /* overal reset bits */
 299 #define INFINIPATH_SERDC0_RESET_PLL   0x10000000ULL     /* pll reset */
 300 /* tx idle enables (per lane) */
 301 #define INFINIPATH_SERDC0_TXIDLE      0xF000ULL
 302 /* rx detect enables (per lane) */
 303 #define INFINIPATH_SERDC0_RXDETECT_EN 0xF0000ULL
 304 /* L1 Power down; use with RXDETECT, Otherwise not used on IB side */
 305 #define INFINIPATH_SERDC0_L1PWR_DN       0xF0ULL
 306
 307 /* common kr_xgxsconfig bits (or safe in all, even if not implemented) */
 308 #define INFINIPATH_XGXS_RX_POL_SHIFT 19
 309 #define INFINIPATH_XGXS_RX_POL_MASK 0xfULL
 310
 311
 312 /*
 313  * IPATH_PIO_MAXIBHDR is the max IB header size allowed for in our
 314  * PIO send buffers.  This is well beyond anything currently
 315  * defined in the InfiniBand spec.
 316  */
 317 #define IPATH_PIO_MAXIBHDR 128
 318
 319 typedef u64 ipath_err_t;
 320
 321 /* The following change with the type of device, so
 322  * need to be part of the ipath_devdata struct, or
 323  * we could have problems plugging in devices of
 324  * different types (e.g. one HT, one PCIE)
 325  * in one system, to be managed by one driver.
 326  * On the other hand, this file is may also be included
 327  * by other code, so leave the declarations here
 328  * temporarily. Minor footprint issue if common-model
 329  * linker used, none if C89+ linker used.
 330  */
 331
 332 /* mask of defined bits for various registers */
 333 extern u64 infinipath_i_bitsextant;
 334 extern ipath_err_t infinipath_e_bitsextant, infinipath_hwe_bitsextant;
 335
 336 /* masks that are different in various chips, or only exist in some chips */
 337 extern u32 infinipath_i_rcvavail_mask, infinipath_i_rcvurg_mask;
 338
 339 /*
 340  * These are the infinipath general register numbers (not offsets).
 341  * The kernel registers are used directly, those beyond the kernel
 342  * registers are calculated from one of the base registers.  The use of
 343  * an integer type doesn't allow type-checking as thorough as, say,
 344  * an enum but allows for better hiding of chip differences.
 345  */
 346 typedef const u16 ipath_kreg,   /* infinipath general registers */
 347  ipath_creg,                    /* infinipath counter registers */
 348  ipath_sreg;                    /* kernel-only, infinipath send registers */
 349
 350 /*
 351  * These are the chip registers common to all infinipath chips, and
 352  * used both by the kernel and the diagnostics or other user code.
 353  * They are all implemented such that 64 bit accesses work.
 354  * Some implement no more than 32 bits.  Because 64 bit reads
 355  * require 2 HT cmds on opteron, we access those with 32 bit
 356  * reads for efficiency (they are written as 64 bits, since
 357  * the extra 32 bits are nearly free on writes, and it slightly reduces
 358  * complexity).  The rest are all accessed as 64 bits.
 359  */
 360 struct ipath_kregs {
 361         /* These are the 32 bit group */
 362         ipath_kreg kr_control;
 363         ipath_kreg kr_counterregbase;
 364         ipath_kreg kr_intmask;
 365         ipath_kreg kr_intstatus;
 366         ipath_kreg kr_pagealign;
 367         ipath_kreg kr_portcnt;
 368         ipath_kreg kr_rcvtidbase;
 369         ipath_kreg kr_rcvtidcnt;
 370         ipath_kreg kr_rcvegrbase;
 371         ipath_kreg kr_rcvegrcnt;
 372         ipath_kreg kr_scratch;
 373         ipath_kreg kr_sendctrl;
 374         ipath_kreg kr_sendpiobufbase;
 375         ipath_kreg kr_sendpiobufcnt;
 376         ipath_kreg kr_sendpiosize;
 377         ipath_kreg kr_sendregbase;
 378         ipath_kreg kr_userregbase;
 379         /* These are the 64 bit group */
 380         ipath_kreg kr_debugport;
 381         ipath_kreg kr_debugportselect;
 382         ipath_kreg kr_errorclear;
 383         ipath_kreg kr_errormask;
 384         ipath_kreg kr_errorstatus;
 385         ipath_kreg kr_extctrl;
 386         ipath_kreg kr_extstatus;
 387         ipath_kreg kr_gpio_clear;
 388         ipath_kreg kr_gpio_mask;
 389         ipath_kreg kr_gpio_out;
 390         ipath_kreg kr_gpio_status;
 391         ipath_kreg kr_hwdiagctrl;
 392         ipath_kreg kr_hwerrclear;
 393         ipath_kreg kr_hwerrmask;
 394         ipath_kreg kr_hwerrstatus;
 395         ipath_kreg kr_ibcctrl;
 396         ipath_kreg kr_ibcstatus;
 397         ipath_kreg kr_intblocked;
 398         ipath_kreg kr_intclear;
 399         ipath_kreg kr_interruptconfig;
 400         ipath_kreg kr_mdio;
 401         ipath_kreg kr_partitionkey;
 402         ipath_kreg kr_rcvbthqp;
 403         ipath_kreg kr_rcvbufbase;
 404         ipath_kreg kr_rcvbufsize;
 405         ipath_kreg kr_rcvctrl;
 406         ipath_kreg kr_rcvhdrcnt;
 407         ipath_kreg kr_rcvhdrentsize;
 408         ipath_kreg kr_rcvhdrsize;
 409         ipath_kreg kr_rcvintmembase;
 410         ipath_kreg kr_rcvintmemsize;
 411         ipath_kreg kr_revision;
 412         ipath_kreg kr_sendbuffererror;
 413         ipath_kreg kr_sendpioavailaddr;
 414         ipath_kreg kr_serdesconfig0;
 415         ipath_kreg kr_serdesconfig1;
 416         ipath_kreg kr_serdesstatus;
 417         ipath_kreg kr_txintmembase;
 418         ipath_kreg kr_txintmemsize;
 419         ipath_kreg kr_xgxsconfig;
 420         ipath_kreg kr_ibpllcfg;
 421         /* use these two (and the following N ports) only with
 422          * ipath_k*_kreg64_port(); not *kreg64() */
 423         ipath_kreg kr_rcvhdraddr;
 424         ipath_kreg kr_rcvhdrtailaddr;
 425
 426         /* remaining registers are not present on all types of infinipath
 427            chips  */
 428         ipath_kreg kr_rcvpktledcnt;
 429         ipath_kreg kr_pcierbuftestreg0;
 430         ipath_kreg kr_pcierbuftestreg1;
 431         ipath_kreg kr_pcieq0serdesconfig0;
 432         ipath_kreg kr_pcieq0serdesconfig1;
 433         ipath_kreg kr_pcieq0serdesstatus;
 434         ipath_kreg kr_pcieq1serdesconfig0;
 435         ipath_kreg kr_pcieq1serdesconfig1;
 436         ipath_kreg kr_pcieq1serdesstatus;
 437         ipath_kreg kr_hrtbt_guid;
 438         ipath_kreg kr_ibcddrctrl;
 439         ipath_kreg kr_ibcddrstatus;
 440         ipath_kreg kr_jintreload;
 441
 442         /* send dma related regs */
 443         ipath_kreg kr_senddmabase;
 444         ipath_kreg kr_senddmalengen;
 445         ipath_kreg kr_senddmatail;
 446         ipath_kreg kr_senddmahead;
 447         ipath_kreg kr_senddmaheadaddr;
 448         ipath_kreg kr_senddmabufmask0;
 449         ipath_kreg kr_senddmabufmask1;
 450         ipath_kreg kr_senddmabufmask2;
 451         ipath_kreg kr_senddmastatus;
 452
 453         /* SerDes related regs (IBA7220-only) */
 454         ipath_kreg kr_ibserdesctrl;
 455         ipath_kreg kr_ib_epbacc;
 456         ipath_kreg kr_ib_epbtrans;
 457         ipath_kreg kr_pcie_epbacc;
 458         ipath_kreg kr_pcie_epbtrans;
 459         ipath_kreg kr_ib_ddsrxeq;
 460 };
 461
 462 struct ipath_cregs {
 463         ipath_creg cr_badformatcnt;
 464         ipath_creg cr_erricrccnt;
 465         ipath_creg cr_errlinkcnt;
 466         ipath_creg cr_errlpcrccnt;
 467         ipath_creg cr_errpkey;
 468         ipath_creg cr_errrcvflowctrlcnt;
 469         ipath_creg cr_err_rlencnt;
 470         ipath_creg cr_errslencnt;
 471         ipath_creg cr_errtidfull;
 472         ipath_creg cr_errtidvalid;
 473         ipath_creg cr_errvcrccnt;
 474         ipath_creg cr_ibstatuschange;
 475         ipath_creg cr_intcnt;
 476         ipath_creg cr_invalidrlencnt;
 477         ipath_creg cr_invalidslencnt;
 478         ipath_creg cr_lbflowstallcnt;
 479         ipath_creg cr_iblinkdowncnt;
 480         ipath_creg cr_iblinkerrrecovcnt;
 481         ipath_creg cr_ibsymbolerrcnt;
 482         ipath_creg cr_pktrcvcnt;
 483         ipath_creg cr_pktrcvflowctrlcnt;
 484         ipath_creg cr_pktsendcnt;
 485         ipath_creg cr_pktsendflowcnt;
 486         ipath_creg cr_portovflcnt;
 487         ipath_creg cr_rcvebpcnt;
 488         ipath_creg cr_rcvovflcnt;
 489         ipath_creg cr_rxdroppktcnt;
 490         ipath_creg cr_senddropped;
 491         ipath_creg cr_sendstallcnt;
 492         ipath_creg cr_sendunderruncnt;
 493         ipath_creg cr_unsupvlcnt;
 494         ipath_creg cr_wordrcvcnt;
 495         ipath_creg cr_wordsendcnt;
 496         ipath_creg cr_vl15droppedpktcnt;
 497         ipath_creg cr_rxotherlocalphyerrcnt;
 498         ipath_creg cr_excessbufferovflcnt;
 499         ipath_creg cr_locallinkintegrityerrcnt;
 500         ipath_creg cr_rxvlerrcnt;
 501         ipath_creg cr_rxdlidfltrcnt;
 502         ipath_creg cr_psstat;
 503         ipath_creg cr_psstart;
 504         ipath_creg cr_psinterval;
 505         ipath_creg cr_psrcvdatacount;
 506         ipath_creg cr_psrcvpktscount;
 507         ipath_creg cr_psxmitdatacount;
 508         ipath_creg cr_psxmitpktscount;
 509         ipath_creg cr_psxmitwaitcount;
 510 };
 511
 512 #endif                          /* _IPATH_REGISTERS_H */