ipath_registers.h

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/*
 * Copyright (c) 2006, 2007 QLogic Corporation. All rights reserved.
 * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
 *
 * This software is available to you under a choice of one of two
 * licenses.  You may choose to be licensed under the terms of the GNU
 * General Public License (GPL) Version 2, available from the file
 * COPYING in the main directory of this source tree, or the
 * OpenIB.org BSD license below:
 *
 *     Redistribution and use in source and binary forms, with or
 *     without modification, are permitted provided that the following
 *     conditions are met:
 *
 *      - Redistributions of source code must retain the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer.
 *
 *      - 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.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#ifndef _IPATH_REGISTERS_H
#define _IPATH_REGISTERS_H

/*
 * This file should only be included by kernel source, and by the diags.  It
 * defines the registers, and their contents, for InfiniPath chips.
 */

/*
 * These are the InfiniPath register and buffer bit definitions,
 * that are visible to software, and needed only by the kernel
 * and diag code.  A few, that are visible to protocol and user
 * code are in ipath_common.h.  Some bits are specific
 * to a given chip implementation, and have been moved to the
 * chip-specific source file
 */

/* kr_revision bits */
#define INFINIPATH_R_CHIPREVMINOR_MASK 0xFF
#define INFINIPATH_R_CHIPREVMINOR_SHIFT 0
#define INFINIPATH_R_CHIPREVMAJOR_MASK 0xFF
#define INFINIPATH_R_CHIPREVMAJOR_SHIFT 8
#define INFINIPATH_R_ARCH_MASK 0xFF
#define INFINIPATH_R_ARCH_SHIFT 16
#define INFINIPATH_R_SOFTWARE_MASK 0xFF
#define INFINIPATH_R_SOFTWARE_SHIFT 24
#define INFINIPATH_R_BOARDID_MASK 0xFF
#define INFINIPATH_R_BOARDID_SHIFT 32

/* kr_control bits */
#define INFINIPATH_C_FREEZEMODE 0x00000002
#define INFINIPATH_C_LINKENABLE 0x00000004

/* kr_sendctrl bits */
#define INFINIPATH_S_DISARMPIOBUF_SHIFT 16
#define INFINIPATH_S_UPDTHRESH_SHIFT 24
#define INFINIPATH_S_UPDTHRESH_MASK 0x1f

#define IPATH_S_ABORT       0
#define IPATH_S_PIOINTBUFAVAIL  1
#define IPATH_S_PIOBUFAVAILUPD  2
#define IPATH_S_PIOENABLE   3
#define IPATH_S_SDMAINTENABLE   9
#define IPATH_S_SDMASINGLEDESCRIPTOR    10
#define IPATH_S_SDMAENABLE  11
#define IPATH_S_SDMAHALT    12
#define IPATH_S_DISARM      31

#define INFINIPATH_S_ABORT      (1U << IPATH_S_ABORT)
#define INFINIPATH_S_PIOINTBUFAVAIL (1U << IPATH_S_PIOINTBUFAVAIL)
#define INFINIPATH_S_PIOBUFAVAILUPD (1U << IPATH_S_PIOBUFAVAILUPD)
#define INFINIPATH_S_PIOENABLE      (1U << IPATH_S_PIOENABLE)
#define INFINIPATH_S_SDMAINTENABLE  (1U << IPATH_S_SDMAINTENABLE)
#define INFINIPATH_S_SDMASINGLEDESCRIPTOR \
                    (1U << IPATH_S_SDMASINGLEDESCRIPTOR)
#define INFINIPATH_S_SDMAENABLE     (1U << IPATH_S_SDMAENABLE)
#define INFINIPATH_S_SDMAHALT       (1U << IPATH_S_SDMAHALT)
#define INFINIPATH_S_DISARM     (1U << IPATH_S_DISARM)

/* kr_rcvctrl bits that are the same on multiple chips */
#define INFINIPATH_R_PORTENABLE_SHIFT 0
#define INFINIPATH_R_QPMAP_ENABLE (1ULL << 38)

/* kr_intstatus, kr_intclear, kr_intmask bits */
#define INFINIPATH_I_SDMAINT        0x8000000000000000ULL
#define INFINIPATH_I_SDMADISABLED   0x4000000000000000ULL
#define INFINIPATH_I_ERROR      0x0000000080000000ULL
#define INFINIPATH_I_SPIOSENT       0x0000000040000000ULL
#define INFINIPATH_I_SPIOBUFAVAIL   0x0000000020000000ULL
#define INFINIPATH_I_GPIO       0x0000000010000000ULL
#define INFINIPATH_I_JINT       0x0000000004000000ULL

/* kr_errorstatus, kr_errorclear, kr_errormask bits */
#define INFINIPATH_E_RFORMATERR         0x0000000000000001ULL
#define INFINIPATH_E_RVCRC          0x0000000000000002ULL
#define INFINIPATH_E_RICRC          0x0000000000000004ULL
#define INFINIPATH_E_RMINPKTLEN         0x0000000000000008ULL
#define INFINIPATH_E_RMAXPKTLEN         0x0000000000000010ULL
#define INFINIPATH_E_RLONGPKTLEN        0x0000000000000020ULL
#define INFINIPATH_E_RSHORTPKTLEN       0x0000000000000040ULL
#define INFINIPATH_E_RUNEXPCHAR         0x0000000000000080ULL
#define INFINIPATH_E_RUNSUPVL           0x0000000000000100ULL
#define INFINIPATH_E_REBP           0x0000000000000200ULL
#define INFINIPATH_E_RIBFLOW            0x0000000000000400ULL
#define INFINIPATH_E_RBADVERSION        0x0000000000000800ULL
#define INFINIPATH_E_RRCVEGRFULL        0x0000000000001000ULL
#define INFINIPATH_E_RRCVHDRFULL        0x0000000000002000ULL
#define INFINIPATH_E_RBADTID            0x0000000000004000ULL
#define INFINIPATH_E_RHDRLEN            0x0000000000008000ULL
#define INFINIPATH_E_RHDR           0x0000000000010000ULL
#define INFINIPATH_E_RIBLOSTLINK        0x0000000000020000ULL
#define INFINIPATH_E_SENDSPECIALTRIGGER     0x0000000008000000ULL
#define INFINIPATH_E_SDMADISABLED       0x0000000010000000ULL
#define INFINIPATH_E_SMINPKTLEN         0x0000000020000000ULL
#define INFINIPATH_E_SMAXPKTLEN         0x0000000040000000ULL
#define INFINIPATH_E_SUNDERRUN          0x0000000080000000ULL
#define INFINIPATH_E_SPKTLEN            0x0000000100000000ULL
#define INFINIPATH_E_SDROPPEDSMPPKT     0x0000000200000000ULL
#define INFINIPATH_E_SDROPPEDDATAPKT        0x0000000400000000ULL
#define INFINIPATH_E_SPIOARMLAUNCH      0x0000000800000000ULL
#define INFINIPATH_E_SUNEXPERRPKTNUM        0x0000001000000000ULL
#define INFINIPATH_E_SUNSUPVL           0x0000002000000000ULL
#define INFINIPATH_E_SENDBUFMISUSE      0x0000004000000000ULL
#define INFINIPATH_E_SDMAGENMISMATCH        0x0000008000000000ULL
#define INFINIPATH_E_SDMAOUTOFBOUND     0x0000010000000000ULL
#define INFINIPATH_E_SDMATAILOUTOFBOUND     0x0000020000000000ULL
#define INFINIPATH_E_SDMABASE           0x0000040000000000ULL
#define INFINIPATH_E_SDMA1STDESC        0x0000080000000000ULL
#define INFINIPATH_E_SDMARPYTAG         0x0000100000000000ULL
#define INFINIPATH_E_SDMADWEN           0x0000200000000000ULL
#define INFINIPATH_E_SDMAMISSINGDW      0x0000400000000000ULL
#define INFINIPATH_E_SDMAUNEXPDATA      0x0000800000000000ULL
#define INFINIPATH_E_IBSTATUSCHANGED        0x0001000000000000ULL
#define INFINIPATH_E_INVALIDADDR        0x0002000000000000ULL
#define INFINIPATH_E_RESET          0x0004000000000000ULL
#define INFINIPATH_E_HARDWARE           0x0008000000000000ULL
#define INFINIPATH_E_SDMADESCADDRMISALIGN   0x0010000000000000ULL
#define INFINIPATH_E_INVALIDEEPCMD      0x0020000000000000ULL

/*
 * this is used to print "common" packet errors only when the
 * __IPATH_ERRPKTDBG bit is set in ipath_debug.
 */
#define INFINIPATH_E_PKTERRS ( INFINIPATH_E_SPKTLEN \
        | INFINIPATH_E_SDROPPEDDATAPKT | INFINIPATH_E_RVCRC \
        | INFINIPATH_E_RICRC | INFINIPATH_E_RSHORTPKTLEN \
        | INFINIPATH_E_REBP )

/* Convenience for decoding Send DMA errors */
#define INFINIPATH_E_SDMAERRS ( \
    INFINIPATH_E_SDMAGENMISMATCH | INFINIPATH_E_SDMAOUTOFBOUND | \
    INFINIPATH_E_SDMATAILOUTOFBOUND | INFINIPATH_E_SDMABASE | \
    INFINIPATH_E_SDMA1STDESC | INFINIPATH_E_SDMARPYTAG | \
    INFINIPATH_E_SDMADWEN | INFINIPATH_E_SDMAMISSINGDW | \
    INFINIPATH_E_SDMAUNEXPDATA | \
    INFINIPATH_E_SDMADESCADDRMISALIGN | \
    INFINIPATH_E_SDMADISABLED | \
    INFINIPATH_E_SENDBUFMISUSE)

/* kr_hwerrclear, kr_hwerrmask, kr_hwerrstatus, bits */
/* TXEMEMPARITYERR bit 0: PIObuf, 1: PIOpbc, 2: launchfifo
 * RXEMEMPARITYERR bit 0: rcvbuf, 1: lookupq, 2:  expTID, 3: eagerTID
 *      bit 4: flag buffer, 5: datainfo, 6: header info */
#define INFINIPATH_HWE_TXEMEMPARITYERR_MASK 0xFULL
#define INFINIPATH_HWE_TXEMEMPARITYERR_SHIFT 40
#define INFINIPATH_HWE_RXEMEMPARITYERR_MASK 0x7FULL
#define INFINIPATH_HWE_RXEMEMPARITYERR_SHIFT 44
#define INFINIPATH_HWE_IBCBUSTOSPCPARITYERR 0x4000000000000000ULL
#define INFINIPATH_HWE_IBCBUSFRSPCPARITYERR 0x8000000000000000ULL
/* txe mem parity errors (shift by INFINIPATH_HWE_TXEMEMPARITYERR_SHIFT) */
#define INFINIPATH_HWE_TXEMEMPARITYERR_PIOBUF   0x1ULL
#define INFINIPATH_HWE_TXEMEMPARITYERR_PIOPBC   0x2ULL
#define INFINIPATH_HWE_TXEMEMPARITYERR_PIOLAUNCHFIFO 0x4ULL
/* rxe mem parity errors (shift by INFINIPATH_HWE_RXEMEMPARITYERR_SHIFT) */
#define INFINIPATH_HWE_RXEMEMPARITYERR_RCVBUF   0x01ULL
#define INFINIPATH_HWE_RXEMEMPARITYERR_LOOKUPQ  0x02ULL
#define INFINIPATH_HWE_RXEMEMPARITYERR_EXPTID   0x04ULL
#define INFINIPATH_HWE_RXEMEMPARITYERR_EAGERTID 0x08ULL
#define INFINIPATH_HWE_RXEMEMPARITYERR_FLAGBUF  0x10ULL
#define INFINIPATH_HWE_RXEMEMPARITYERR_DATAINFO 0x20ULL
#define INFINIPATH_HWE_RXEMEMPARITYERR_HDRINFO  0x40ULL
/* waldo specific -- find the rest in ipath_6110.c */
#define INFINIPATH_HWE_RXDSYNCMEMPARITYERR  0x0000000400000000ULL
/* 6120/7220 specific -- find the rest in ipath_6120.c and ipath_7220.c */
#define INFINIPATH_HWE_MEMBISTFAILED    0x0040000000000000ULL

/* kr_hwdiagctrl bits */
#define INFINIPATH_DC_FORCETXEMEMPARITYERR_MASK 0xFULL
#define INFINIPATH_DC_FORCETXEMEMPARITYERR_SHIFT 40
#define INFINIPATH_DC_FORCERXEMEMPARITYERR_MASK 0x7FULL
#define INFINIPATH_DC_FORCERXEMEMPARITYERR_SHIFT 44
#define INFINIPATH_DC_FORCERXDSYNCMEMPARITYERR  0x0000000400000000ULL
#define INFINIPATH_DC_COUNTERDISABLE            0x1000000000000000ULL
#define INFINIPATH_DC_COUNTERWREN               0x2000000000000000ULL
#define INFINIPATH_DC_FORCEIBCBUSTOSPCPARITYERR 0x4000000000000000ULL
#define INFINIPATH_DC_FORCEIBCBUSFRSPCPARITYERR 0x8000000000000000ULL

/* kr_ibcctrl bits */
#define INFINIPATH_IBCC_FLOWCTRLPERIOD_MASK 0xFFULL
#define INFINIPATH_IBCC_FLOWCTRLPERIOD_SHIFT 0
#define INFINIPATH_IBCC_FLOWCTRLWATERMARK_MASK 0xFFULL
#define INFINIPATH_IBCC_FLOWCTRLWATERMARK_SHIFT 8
#define INFINIPATH_IBCC_LINKINITCMD_MASK 0x3ULL
#define INFINIPATH_IBCC_LINKINITCMD_DISABLE 1
/* cycle through TS1/TS2 till OK */
#define INFINIPATH_IBCC_LINKINITCMD_POLL 2
/* wait for TS1, then go on */
#define INFINIPATH_IBCC_LINKINITCMD_SLEEP 3
#define INFINIPATH_IBCC_LINKINITCMD_SHIFT 16
#define INFINIPATH_IBCC_LINKCMD_MASK 0x3ULL
#define INFINIPATH_IBCC_LINKCMD_DOWN 1      /* move to 0x11 */
#define INFINIPATH_IBCC_LINKCMD_ARMED 2     /* move to 0x21 */
#define INFINIPATH_IBCC_LINKCMD_ACTIVE 3    /* move to 0x31 */
#define INFINIPATH_IBCC_LINKCMD_SHIFT 18
#define INFINIPATH_IBCC_MAXPKTLEN_MASK 0x7FFULL
#define INFINIPATH_IBCC_MAXPKTLEN_SHIFT 20
#define INFINIPATH_IBCC_PHYERRTHRESHOLD_MASK 0xFULL
#define INFINIPATH_IBCC_PHYERRTHRESHOLD_SHIFT 32
#define INFINIPATH_IBCC_OVERRUNTHRESHOLD_MASK 0xFULL
#define INFINIPATH_IBCC_OVERRUNTHRESHOLD_SHIFT 36
#define INFINIPATH_IBCC_CREDITSCALE_MASK 0x7ULL
#define INFINIPATH_IBCC_CREDITSCALE_SHIFT 40
#define INFINIPATH_IBCC_LOOPBACK             0x8000000000000000ULL
#define INFINIPATH_IBCC_LINKDOWNDEFAULTSTATE 0x4000000000000000ULL

/* kr_ibcstatus bits */
#define INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT 0
#define INFINIPATH_IBCS_LINKSTATE_MASK 0x7

#define INFINIPATH_IBCS_TXREADY       0x40000000
#define INFINIPATH_IBCS_TXCREDITOK    0x80000000
/* link training states (shift by
   INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT) */
#define INFINIPATH_IBCS_LT_STATE_DISABLED   0x00
#define INFINIPATH_IBCS_LT_STATE_LINKUP     0x01
#define INFINIPATH_IBCS_LT_STATE_POLLACTIVE 0x02
#define INFINIPATH_IBCS_LT_STATE_POLLQUIET  0x03
#define INFINIPATH_IBCS_LT_STATE_SLEEPDELAY 0x04
#define INFINIPATH_IBCS_LT_STATE_SLEEPQUIET 0x05
#define INFINIPATH_IBCS_LT_STATE_CFGDEBOUNCE    0x08
#define INFINIPATH_IBCS_LT_STATE_CFGRCVFCFG 0x09
#define INFINIPATH_IBCS_LT_STATE_CFGWAITRMT 0x0a
#define INFINIPATH_IBCS_LT_STATE_CFGIDLE    0x0b
#define INFINIPATH_IBCS_LT_STATE_RECOVERRETRAIN 0x0c
#define INFINIPATH_IBCS_LT_STATE_RECOVERWAITRMT 0x0e
#define INFINIPATH_IBCS_LT_STATE_RECOVERIDLE    0x0f
/* link state machine states (shift by ibcs_ls_shift) */
#define INFINIPATH_IBCS_L_STATE_DOWN        0x0
#define INFINIPATH_IBCS_L_STATE_INIT        0x1
#define INFINIPATH_IBCS_L_STATE_ARM     0x2
#define INFINIPATH_IBCS_L_STATE_ACTIVE      0x3
#define INFINIPATH_IBCS_L_STATE_ACT_DEFER   0x4


/* kr_extstatus bits */
#define INFINIPATH_EXTS_SERDESPLLLOCK 0x1
#define INFINIPATH_EXTS_GPIOIN_MASK 0xFFFFULL
#define INFINIPATH_EXTS_GPIOIN_SHIFT 48

/* kr_extctrl bits */
#define INFINIPATH_EXTC_GPIOINVERT_MASK 0xFFFFULL
#define INFINIPATH_EXTC_GPIOINVERT_SHIFT 32
#define INFINIPATH_EXTC_GPIOOE_MASK 0xFFFFULL
#define INFINIPATH_EXTC_GPIOOE_SHIFT 48
#define INFINIPATH_EXTC_SERDESENABLE         0x80000000ULL
#define INFINIPATH_EXTC_SERDESCONNECT        0x40000000ULL
#define INFINIPATH_EXTC_SERDESENTRUNKING     0x20000000ULL
#define INFINIPATH_EXTC_SERDESDISRXFIFO      0x10000000ULL
#define INFINIPATH_EXTC_SERDESENPLPBK1       0x08000000ULL
#define INFINIPATH_EXTC_SERDESENPLPBK2       0x04000000ULL
#define INFINIPATH_EXTC_SERDESENENCDEC       0x02000000ULL
#define INFINIPATH_EXTC_LED1SECPORT_ON       0x00000020ULL
#define INFINIPATH_EXTC_LED2SECPORT_ON       0x00000010ULL
#define INFINIPATH_EXTC_LED1PRIPORT_ON       0x00000008ULL
#define INFINIPATH_EXTC_LED2PRIPORT_ON       0x00000004ULL
#define INFINIPATH_EXTC_LEDGBLOK_ON          0x00000002ULL
#define INFINIPATH_EXTC_LEDGBLERR_OFF        0x00000001ULL

/* kr_partitionkey bits */
#define INFINIPATH_PKEY_SIZE 16
#define INFINIPATH_PKEY_MASK 0xFFFF
#define INFINIPATH_PKEY_DEFAULT_PKEY 0xFFFF

/* kr_serdesconfig0 bits */
#define INFINIPATH_SERDC0_RESET_MASK  0xfULL    /* overal reset bits */
#define INFINIPATH_SERDC0_RESET_PLL   0x10000000ULL /* pll reset */
/* tx idle enables (per lane) */
#define INFINIPATH_SERDC0_TXIDLE      0xF000ULL
/* rx detect enables (per lane) */
#define INFINIPATH_SERDC0_RXDETECT_EN 0xF0000ULL
/* L1 Power down; use with RXDETECT, Otherwise not used on IB side */
#define INFINIPATH_SERDC0_L1PWR_DN   0xF0ULL

/* common kr_xgxsconfig bits (or safe in all, even if not implemented) */
#define INFINIPATH_XGXS_RX_POL_SHIFT 19
#define INFINIPATH_XGXS_RX_POL_MASK 0xfULL


/*
 * IPATH_PIO_MAXIBHDR is the max IB header size allowed for in our
 * PIO send buffers.  This is well beyond anything currently
 * defined in the InfiniBand spec.
 */
#define IPATH_PIO_MAXIBHDR 128

typedef u64 ipath_err_t;

/* The following change with the type of device, so
 * need to be part of the ipath_devdata struct, or
 * we could have problems plugging in devices of
 * different types (e.g. one HT, one PCIE)
 * in one system, to be managed by one driver.
 * On the other hand, this file is may also be included
 * by other code, so leave the declarations here
 * temporarily. Minor footprint issue if common-model
 * linker used, none if C89+ linker used.
 */

/* mask of defined bits for various registers */
extern u64 infinipath_i_bitsextant;
extern ipath_err_t infinipath_e_bitsextant, infinipath_hwe_bitsextant;

/* masks that are different in various chips, or only exist in some chips */
extern u32 infinipath_i_rcvavail_mask, infinipath_i_rcvurg_mask;

/*
 * These are the infinipath general register numbers (not offsets).
 * The kernel registers are used directly, those beyond the kernel
 * registers are calculated from one of the base registers.  The use of
 * an integer type doesn't allow type-checking as thorough as, say,
 * an enum but allows for better hiding of chip differences.
 */
typedef const u16 ipath_kreg,   /* infinipath general registers */
 ipath_creg,            /* infinipath counter registers */
 ipath_sreg;            /* kernel-only, infinipath send registers */

/*
 * These are the chip registers common to all infinipath chips, and
 * used both by the kernel and the diagnostics or other user code.
 * They are all implemented such that 64 bit accesses work.
 * Some implement no more than 32 bits.  Because 64 bit reads
 * require 2 HT cmds on opteron, we access those with 32 bit
 * reads for efficiency (they are written as 64 bits, since
 * the extra 32 bits are nearly free on writes, and it slightly reduces
 * complexity).  The rest are all accessed as 64 bits.
 */
struct ipath_kregs {
    /* These are the 32 bit group */
    ipath_kreg kr_control;
    ipath_kreg kr_counterregbase;
    ipath_kreg kr_intmask;
    ipath_kreg kr_intstatus;
    ipath_kreg kr_pagealign;
    ipath_kreg kr_portcnt;
    ipath_kreg kr_rcvtidbase;
    ipath_kreg kr_rcvtidcnt;
    ipath_kreg kr_rcvegrbase;
    ipath_kreg kr_rcvegrcnt;
    ipath_kreg kr_scratch;
    ipath_kreg kr_sendctrl;
    ipath_kreg kr_sendpiobufbase;
    ipath_kreg kr_sendpiobufcnt;
    ipath_kreg kr_sendpiosize;
    ipath_kreg kr_sendregbase;
    ipath_kreg kr_userregbase;
    /* These are the 64 bit group */
    ipath_kreg kr_debugport;
    ipath_kreg kr_debugportselect;
    ipath_kreg kr_errorclear;
    ipath_kreg kr_errormask;
    ipath_kreg kr_errorstatus;
    ipath_kreg kr_extctrl;
    ipath_kreg kr_extstatus;
    ipath_kreg kr_gpio_clear;
    ipath_kreg kr_gpio_mask;
    ipath_kreg kr_gpio_out;
    ipath_kreg kr_gpio_status;
    ipath_kreg kr_hwdiagctrl;
    ipath_kreg kr_hwerrclear;
    ipath_kreg kr_hwerrmask;
    ipath_kreg kr_hwerrstatus;
    ipath_kreg kr_ibcctrl;
    ipath_kreg kr_ibcstatus;
    ipath_kreg kr_intblocked;
    ipath_kreg kr_intclear;
    ipath_kreg kr_interruptconfig;
    ipath_kreg kr_mdio;
    ipath_kreg kr_partitionkey;
    ipath_kreg kr_rcvbthqp;
    ipath_kreg kr_rcvbufbase;
    ipath_kreg kr_rcvbufsize;
    ipath_kreg kr_rcvctrl;
    ipath_kreg kr_rcvhdrcnt;
    ipath_kreg kr_rcvhdrentsize;
    ipath_kreg kr_rcvhdrsize;
    ipath_kreg kr_rcvintmembase;
    ipath_kreg kr_rcvintmemsize;
    ipath_kreg kr_revision;
    ipath_kreg kr_sendbuffererror;
    ipath_kreg kr_sendpioavailaddr;
    ipath_kreg kr_serdesconfig0;
    ipath_kreg kr_serdesconfig1;
    ipath_kreg kr_serdesstatus;
    ipath_kreg kr_txintmembase;
    ipath_kreg kr_txintmemsize;
    ipath_kreg kr_xgxsconfig;
    ipath_kreg kr_ibpllcfg;
    /* use these two (and the following N ports) only with
     * ipath_k*_kreg64_port(); not *kreg64() */
    ipath_kreg kr_rcvhdraddr;
    ipath_kreg kr_rcvhdrtailaddr;

    /* remaining registers are not present on all types of infinipath
       chips  */
    ipath_kreg kr_rcvpktledcnt;
    ipath_kreg kr_pcierbuftestreg0;
    ipath_kreg kr_pcierbuftestreg1;
    ipath_kreg kr_pcieq0serdesconfig0;
    ipath_kreg kr_pcieq0serdesconfig1;
    ipath_kreg kr_pcieq0serdesstatus;
    ipath_kreg kr_pcieq1serdesconfig0;
    ipath_kreg kr_pcieq1serdesconfig1;
    ipath_kreg kr_pcieq1serdesstatus;
    ipath_kreg kr_hrtbt_guid;
    ipath_kreg kr_ibcddrctrl;
    ipath_kreg kr_ibcddrstatus;
    ipath_kreg kr_jintreload;

    /* send dma related regs */
    ipath_kreg kr_senddmabase;
    ipath_kreg kr_senddmalengen;
    ipath_kreg kr_senddmatail;
    ipath_kreg kr_senddmahead;
    ipath_kreg kr_senddmaheadaddr;
    ipath_kreg kr_senddmabufmask0;
    ipath_kreg kr_senddmabufmask1;
    ipath_kreg kr_senddmabufmask2;
    ipath_kreg kr_senddmastatus;

    /* SerDes related regs (IBA7220-only) */
    ipath_kreg kr_ibserdesctrl;
    ipath_kreg kr_ib_epbacc;
    ipath_kreg kr_ib_epbtrans;
    ipath_kreg kr_pcie_epbacc;
    ipath_kreg kr_pcie_epbtrans;
    ipath_kreg kr_ib_ddsrxeq;
};

struct ipath_cregs {
    ipath_creg cr_badformatcnt;
    ipath_creg cr_erricrccnt;
    ipath_creg cr_errlinkcnt;
    ipath_creg cr_errlpcrccnt;
    ipath_creg cr_errpkey;
    ipath_creg cr_errrcvflowctrlcnt;
    ipath_creg cr_err_rlencnt;
    ipath_creg cr_errslencnt;
    ipath_creg cr_errtidfull;
    ipath_creg cr_errtidvalid;
    ipath_creg cr_errvcrccnt;
    ipath_creg cr_ibstatuschange;
    ipath_creg cr_intcnt;
    ipath_creg cr_invalidrlencnt;
    ipath_creg cr_invalidslencnt;
    ipath_creg cr_lbflowstallcnt;
    ipath_creg cr_iblinkdowncnt;
    ipath_creg cr_iblinkerrrecovcnt;
    ipath_creg cr_ibsymbolerrcnt;
    ipath_creg cr_pktrcvcnt;
    ipath_creg cr_pktrcvflowctrlcnt;
    ipath_creg cr_pktsendcnt;
    ipath_creg cr_pktsendflowcnt;
    ipath_creg cr_portovflcnt;
    ipath_creg cr_rcvebpcnt;
    ipath_creg cr_rcvovflcnt;
    ipath_creg cr_rxdroppktcnt;
    ipath_creg cr_senddropped;
    ipath_creg cr_sendstallcnt;
    ipath_creg cr_sendunderruncnt;
    ipath_creg cr_unsupvlcnt;
    ipath_creg cr_wordrcvcnt;
    ipath_creg cr_wordsendcnt;
    ipath_creg cr_vl15droppedpktcnt;
    ipath_creg cr_rxotherlocalphyerrcnt;
    ipath_creg cr_excessbufferovflcnt;
    ipath_creg cr_locallinkintegrityerrcnt;
    ipath_creg cr_rxvlerrcnt;
    ipath_creg cr_rxdlidfltrcnt;
    ipath_creg cr_psstat;
    ipath_creg cr_psstart;
    ipath_creg cr_psinterval;
    ipath_creg cr_psrcvdatacount;
    ipath_creg cr_psrcvpktscount;
    ipath_creg cr_psxmitdatacount;
    ipath_creg cr_psxmitpktscount;
    ipath_creg cr_psxmitwaitcount;
};

#endif              /* _IPATH_REGISTERS_H */