modules/qlc/qlc.c

	qlc.c revision f885d00f4e3c96a769ce0228a732da31ad9d0b78
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */

/* Copyright 2010 QLogic Corporation */

/*
 * ISP2xxx Solaris Fibre Channel Adapter (FCA) qlc mdb source file.
 *
 * ***********************************************************************
 * *                                    **
 * *                NOTICE                  **
 * *        COPYRIGHT (C) 1996-2010 QLOGIC CORPORATION      **
 * *            ALL RIGHTS RESERVED             **
 * *                                    **
 * ***********************************************************************
 *
 */

#pragma ident   "Copyright 2010 QLogic Corporation; ql_mdb.c"

#include <sys/mdb_modapi.h>
#include <ql_apps.h>
#include <ql_api.h>
#include <ql_init.h>
#include <ql_debug.h>

/*
 * local prototypes
 */
static int32_t ql_doprint(uintptr_t, int8_t *);
static void ql_dump_flags(uint64_t, int8_t **);
static int qlclinks_dcmd(uintptr_t, uint_t, int, const mdb_arg_t *);
static int qlcstate_dcmd(uintptr_t, uint_t, int, const mdb_arg_t *);
static int qlc_osc_dcmd(uintptr_t, uint_t, int, const mdb_arg_t *);
static int qlc_wdog_dcmd(uintptr_t, uint_t, int, const mdb_arg_t *);
static int qlc_getdump_dcmd(uintptr_t, uint_t, int, const mdb_arg_t *);
static int qlc_gettrace_dcmd(uintptr_t, uint_t, int, const mdb_arg_t *);
#if 0
static int qlc_triggerdump_dcmd(uintptr_t, uint_t, int, const mdb_arg_t *);
#endif
static int qlcver_dcmd(uintptr_t, uint_t, int, const mdb_arg_t *);
static int qlstates_walk_init(mdb_walk_state_t *);
static int qlstates_walk_step(mdb_walk_state_t *);
static void qlstates_walk_fini(mdb_walk_state_t *);
static int qlsrb_walk_init(mdb_walk_state_t *);
static int qlsrb_walk_step(mdb_walk_state_t *);
static void qlsrb_walk_fini(mdb_walk_state_t *);
static int get_next_link(ql_link_t *);
static int get_first_link(ql_head_t *, ql_link_t *);

static int ql_24xx_dump_dcmd(ql_adapter_state_t *, uint_t, int,
    const mdb_arg_t *);
static int ql_23xx_dump_dcmd(ql_adapter_state_t *, uint_t, int,
    const mdb_arg_t *);
static int ql_25xx_dump_dcmd(ql_adapter_state_t *, uint_t, int,
    const mdb_arg_t *);
static int ql_81xx_dump_dcmd(ql_adapter_state_t *, uint_t, int,
    const mdb_arg_t *);
static void ql_elog_common(ql_adapter_state_t *, boolean_t);

/*
 * local adapter state flags strings
 */
int8_t *adapter_state_flags[] = {
    "FCA_BOUND",
    "QL_OPENED",
    "ONLINE",
    "INTERRUPTS_ENABLED",
    "ABORT_CMDS_LOOP_DOWN_TMO",
    "POINT_TO_POINT",
    "IP_ENABLED",
    "IP_INITIALIZED",
    "MENLO_LOGIN_OPERATIONAL",
    "ADAPTER_SUSPENDED",
    "ADAPTER_TIMER_BUSY",
    "PARITY_ERROR",
    "FLASH_ERRLOG_MARKER",
    "VP_ENABLED",
    "FDISC_ENABLED",
    "FUNCTION_1",
    "MPI_RESET_NEEDED",
    NULL
};

int8_t *adapter_config_flags[] = {
    "ENABLE_HARD_ADDRESS",
    "ENABLE_64BIT_ADDRESSING",
    "ENABLE_LIP_RESET",
    "ENABLE_FULL_LIP_LOGIN",
    "ENABLE_TARGET_RESET",
    "ENABLE_LINK_DOWN_REPORTING",
    "DISABLE_EXTENDED_LOGGING_TRACE",
    "ENABLE_FCP_2_SUPPORT",
    "MULTI_CHIP_ADAPTER",
    "SBUS_CARD",
    "CTRL_2300",
    "CTRL_6322",
    "CTRL_2200",
    "CTRL_2422",
    "CTRL_25XX",
    "ENABLE_EXTENDED_LOGGING",
    "DISABLE_RISC_CODE_LOAD",
    "SET_CACHE_LINE_SIZE_1",
    "CTRL_MENLO",
    "EXT_FW_INTERFACE",
    "LOAD_FLASH_FW",
    "DUMP_MAILBOX_TIMEOUT",
    "DUMP_ISP_SYSTEM_ERROR",
    "DUMP_DRIVER_COMMAND_TIMEOUT",
    "DUMP_LOOP_OFFLINE_TIMEOUT",
    "ENABLE_FWEXTTRACE",
    "ENABLE_FWFCETRACE",
    "FW_MISMATCH",
    "CTRL_81XX",
    "CTRL_8021",
    "ENABLE_FAST_TIMEOUT",
    "LR_SUPPORT",
    NULL
};

/*
 * local task daemon flags strings
 */
int8_t *task_daemon_flags[] = {
    "TASK_DAEMON_STOP_FLG",
    "TASK_DAEMON_SLEEPING_FLG",
    "TASK_DAEMON_ALIVE_FLG",
    "TASK_DAEMON_IDLE_CHK_FLG",
    "SUSPENDED_WAKEUP_FLG",
    "FC_STATE_CHANGE",
    "NEED_UNSOLICITED_BUFFERS",
    "RESET_MARKER_NEEDED",
    "RESET_ACTIVE",
    "ISP_ABORT_NEEDED",
    "ABORT_ISP_ACTIVE",
    "LOOP_RESYNC_NEEDED",
    "LOOP_RESYNC_ACTIVE",
    "LOOP_DOWN",
    "DRIVER_STALL",
    "COMMAND_WAIT_NEEDED",
    "COMMAND_WAIT_ACTIVE",
    "STATE_ONLINE",
    "ABORT_QUEUES_NEEDED",
    "TASK_DAEMON_STALLED_FLG",
    "TASK_THREAD_CALLED",
    "FIRMWARE_UP",
    "LIP_RESET_PENDING",
    "FIRMWARE_LOADED",
    "RSCN_UPDATE_NEEDED",
    "HANDLE_PORT_BYPASS_CHANGE",
    "PORT_RETRY_NEEDED",
    "TASK_DAEMON_POWERING_DOWN",
    "TD_IIDMA_NEEDED",
    "SEND_PLOGI",
    "IDC_EVENT",
    NULL
};

/*
 * local interrupt aif flags
 */
int8_t *aif_flags[] = {
    "IFLG_INTR_LEGACY",
    "IFLG_INTR_FIXED",
    "IFLG_INTR_MSI",
    "IFLG_INTR_MSIX",
    NULL
};

int8_t *qlsrb_flags[] = {
    "SRB_ISP_STARTED",
    "SRB_ISP_COMPLETED",
    "SRB_RETRY",
    "SRB_POLL",
    "SRB_WATCHDOG_ENABLED",
    "SRB_ABORT",
    "SRB_UB_IN_FCA",
    "SRB_UB_IN_ISP",
    "SRB_UB_CALLBACK",
    "SRB_UB_RSCN",
    "SRB_UB_FCP",
    "SRB_FCP_CMD_PKT",
    "SRB_FCP_DATA_PKT",
    "SRB_FCP_RSP_PKT",
    "SRB_IP_PKT",
    "SRB_GENERIC_SERVICES_PKT",
    "SRB_COMMAND_TIMEOUT",
    "SRB_ABORTING",
    "SRB_IN_DEVICE_QUEUE",
    "SRB_IN_TOKEN_ARRAY",
    "SRB_UB_FREE_REQUESTED",
    "SRB_UB_ACQUIRED",
    "SRB_MS_PKT",
    NULL
};

int8_t *qllun_flags[] = {
    "LQF_UNTAGGED_PENDING",
    NULL
};

int8_t *qltgt_flags[] = {
    "TQF_TAPE_DEVICE",
    "TQF_QUEUE_SUSPENDED",
    "TQF_FABRIC_DEVICE",
    "TQF_INITIATOR_DEVICE",
    "TQF_RSCN_RCVD",
    "TQF_NEED_AUTHENTICATION",
    "TQF_PLOGI_PROGRS",
    "TQF_IIDMA_NEEDED",
    NULL
};

int8_t *qldump_flags[] = {
    "QL_DUMPING",
    "QL_DUMP_VALID",
    "QL_DUMP_UPLOADED",
    NULL
};

/*
 * qlclinks_dcmd
 *  mdb dcmd which prints out the ql_hba pointers
 *
 * Input:
 *  addr  = User supplied address -- error if supplied.
 *  flags = mdb flags.
 *  argc  = Number of user supplied args -- error if non-zero.
 *  argv  = Arg array.
 *
 * Returns:
 *  DCMD_ERR, DCMD_USAGE, or DCMD_OK
 *
 * Context:
 *  User context.
 *
 */
/*ARGSUSED*/
static int
qlclinks_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
    ql_head_t       ql_hba;
    ql_adapter_state_t  *qlstate;
    uintptr_t       hbaptr = NULL;

    if ((flags & DCMD_ADDRSPEC) || argc != 0) {
        return (DCMD_USAGE);
    }

    if (mdb_readvar(&ql_hba, "ql_hba") == -1) {
        mdb_warn("failed to read ql_hba structure");
        return (DCMD_ERR);
    }

    if (&ql_hba == NULL) {
        mdb_warn("failed to read ql_hba structure -- is qlc loaded?");
        return (DCMD_ERR);
    }

    mdb_printf("\nqlc adapter state linkages (f=0x%llx, l=0x%llx)\n\n",
        ql_hba.first, ql_hba.last);

    if ((qlstate = (ql_adapter_state_t *)mdb_alloc(
        sizeof (ql_adapter_state_t), UM_SLEEP)) == NULL) {
        mdb_warn("Unable to allocate memory for ql_adapter_state\n");
        return (DCMD_OK);
    }

    (void) mdb_inc_indent((ulong_t)4);
    mdb_printf("%<u>%-?s\t%-45s%</u>\n\n", "baseaddr", "instance");

    hbaptr = (uintptr_t)ql_hba.first;
    while (hbaptr != NULL) {

        if (mdb_vread(qlstate, sizeof (ql_adapter_state_t),
            hbaptr) == -1) {
            mdb_free(qlstate, sizeof (ql_adapter_state_t));
            mdb_warn("failed to read ql_adapter_state at %p",
                hbaptr);
            return (DCMD_OK);
        }

        mdb_printf("%<b>0x%016p%t%d%</b>\n",
            qlstate->hba.base_address, qlstate->instance);

        /*
         * If vp exists, loop through those
         */

        if ((qlstate->flags & VP_ENABLED) &&
            (qlstate->vp_next != NULL)) {

            ql_adapter_state_t  *vqlstate;
            uintptr_t       vhbaptr = NULL;

            vhbaptr = (uintptr_t)qlstate->vp_next;

            if ((vqlstate = (ql_adapter_state_t *)mdb_alloc(
                sizeof (ql_adapter_state_t), UM_SLEEP)) == NULL) {
                mdb_warn("Unable to allocate memory for "
                    "ql_adapter_state vp\n");
                mdb_free(qlstate, sizeof (ql_adapter_state_t));
                return (DCMD_OK);
            }

            (void) mdb_inc_indent((ulong_t)30);

            mdb_printf("%<u>vp baseaddr\t\tvp index%</u>\n");

            while (vhbaptr != NULL) {

                if (mdb_vread(vqlstate,
                    sizeof (ql_adapter_state_t), vhbaptr) ==
                    -1) {
                    mdb_free(vqlstate,
                        sizeof (ql_adapter_state_t));
                    mdb_free(qlstate,
                        sizeof (ql_adapter_state_t));
                    mdb_warn("failed to read vp "
                        "ql_adapter_state at %p", vhbaptr);
                    return (DCMD_OK);
                }

                mdb_printf("%<b>0x%016p%t%d%</b>\n",
                    vqlstate->hba.base_address,
                    vqlstate->vp_index);

                vhbaptr = (uintptr_t)vqlstate->vp_next;
            }

            mdb_free(vqlstate, sizeof (ql_adapter_state_t));

            (void) mdb_dec_indent((ulong_t)30);

            mdb_printf("\n");
        }

        hbaptr = (uintptr_t)qlstate->hba.next;
    }

    (void) mdb_dec_indent((ulong_t)4);

    mdb_free(qlstate, sizeof (ql_adapter_state_t));

    return (DCMD_OK);
}

/*
 * qlcver_dcmd
 *  mdb dcmd which prints out the qlc driver version the mdb
 *  module was compiled with, and the verison of qlc which is
 *  currently loaded on the machine.
 *
 * Input:
 *  addr  = User supplied address -- error if supplied.
 *  flags = mdb flags.
 *  argc  = Number of user supplied args -- error if non-zero.
 *  argv  = Arg array.
 *
 * Returns:
 *  DCMD_USAGE, or DCMD_OK
 *
 * Context:
 *  User context.
 *
 */
/*ARGSUSED*/
static int
qlcver_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
    int8_t      qlcversion[100];
    struct fw_table fw_table[10], *fwt = NULL;
    uint8_t     *fwverptr = NULL;
    ql_head_t   ql_hba;
    uint32_t    found = 0;

    if ((flags & DCMD_ADDRSPEC) || argc != 0) {
        return (DCMD_USAGE);
    }

    if (mdb_readvar(&qlcversion, "qlc_driver_version") == -1) {
        mdb_warn("unable to read qlc driver version\n");
    } else {
        mdb_printf("\n%s version currently loaded is: %s\n",
            QL_NAME, qlcversion);
    }

    mdb_printf("qlc mdb library compiled with %s version: %s\n",
        QL_NAME, QL_VERSION);

    if ((fwverptr = (uint8_t *)(mdb_alloc(50, UM_SLEEP))) == NULL) {
        mdb_warn("unable to alloc fwverptr\n");
        return (DCMD_OK);
    }

    if (mdb_readvar(&fw_table, "fw_table") == -1) {
        mdb_warn("unable to read firmware table\n");
    } else {
        ql_adapter_state_t  *qlstate;
        uintptr_t       hbaptr = NULL;

        if (mdb_readvar(&ql_hba, "ql_hba") == -1) {
            mdb_warn("failed to read ql_hba structure");
            return (DCMD_ERR);
        }

        if ((qlstate = (ql_adapter_state_t *)mdb_alloc(
            sizeof (ql_adapter_state_t), UM_SLEEP)) == NULL) {
            mdb_warn("Unable to allocate memory for "
                "ql_adapter_state\n");
            return (DCMD_OK);
        }

        mdb_printf("\n%-8s%-11s%s\n", "f/w", "compiled", "loaded");
        mdb_printf("%<u>%-8s%-11s%-13s%s%</u>\n\n", "class", "version",
            "version", "instance list");

        for (fwt = &fw_table[0]; fwt->fw_class; fwt++) {

            if (mdb_vread(fwverptr, sizeof (void *),
                (uintptr_t)fwt->fw_version) == -1) {
                mdb_warn("unable to read fwverptr\n");
                mdb_free(fwverptr, sizeof (void *));
                mdb_free(qlstate, sizeof (ql_adapter_state_t));
                return (DCMD_OK);
            }

            mdb_printf("%x\t%-11s", fwt->fw_class, fwverptr);

            if (&ql_hba == NULL) {
                mdb_warn("failed to read ql_hba structure");
                hbaptr = NULL;
            } else {
                hbaptr = (uintptr_t)ql_hba.first;
            }

            found = 0;
            while (hbaptr != NULL) {

                if (mdb_vread(qlstate,
                    sizeof (ql_adapter_state_t), hbaptr) ==
                    -1) {
                    mdb_warn("failed to read "
                        "ql_adapter_state at %p", hbaptr);
                    break;
                }

                if (qlstate->fw_class == fwt->fw_class) {
                    if (found == 0) {
                        mdb_printf("%x.%02x.%02x\t",
                            qlstate->fw_major_version,
                            qlstate->fw_minor_version,
                            qlstate->
                            fw_subminor_version);
                        mdb_printf("%d",
                            qlstate->instance);
                    } else {
                        mdb_printf(", %d",
                            qlstate->instance);
                    }
                    found = 1;
                }

                hbaptr = (uintptr_t)qlstate->hba.next;
            }

            if (found == 1) {
                mdb_printf("\n");
            } else {
                mdb_printf("not loaded\n");
            }
        }

        mdb_free(qlstate, sizeof (ql_adapter_state_t));
        mdb_free(fwverptr, sizeof (void *));
    }

    return (DCMD_OK);
}

/*
 * qlc_el_dcmd
 *  mdb dcmd which turns the extended logging bit on or off
 *  for the specificed qlc instance(s).
 *
 * Input:
 *  addr  = User supplied address -- error if supplied.
 *  flags = mdb flags.
 *  argc  = Number of user supplied args -- error if non-zero.
 *  argv  = Arg array.
 *
 * Returns:
 *  DCMD_USAGE, or DCMD_OK
 *
 * Context:
 *  User context.
 *
 */
/*ARGSUSED*/
static int
qlc_el_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
    int8_t          qlcversion[100];
    boolean_t       elswitch;
    uint32_t        argcnt;
    int         mdbs;
    uint32_t        instance;
    uint32_t        qlsize = sizeof (ql_adapter_state_t);
    ql_adapter_state_t  *qlstate;
    uintptr_t       hbaptr = NULL;
    ql_head_t       ql_hba;

    if ((mdbs = mdb_get_state()) == MDB_STATE_DEAD) {
        mdb_warn("Cannot change core file data (state=%xh)\n", mdbs);
        return (DCMD_OK);
    }

    if ((flags & DCMD_ADDRSPEC) || argc < 2) {
        return (DCMD_USAGE);
    }

    /*
     * Check and make sure the driver version and the mdb versions
     * match so all the structures and flags line up
     */

    if (mdb_readvar(&qlcversion, "qlc_driver_version") == -1) {
        mdb_warn("unable to read qlc driver version\n");
        return (DCMD_OK);
    }

    if ((strcmp(QL_VERSION, (const char *)&qlcversion)) != 0) {
        mdb_warn("Error: qlc driver/qlc mdb version mismatch\n");
        mdb_printf("\tqlc mdb library compiled version is: %s\n",
            QL_VERSION);
        mdb_printf("\tqlc driver version is: %s\n", qlcversion);

        return (DCMD_OK);
    }

    if ((strcasecmp(argv[0].a_un.a_str, "on")) == 0) {
        elswitch = TRUE;
    } else if ((strcasecmp(argv[0].a_un.a_str, "off")) == 0) {
        elswitch = FALSE;
    } else {
        return (DCMD_USAGE);
    }

    if (mdb_readvar(&ql_hba, "ql_hba") == -1) {
        mdb_warn("failed to read ql_hba structure");
        return (DCMD_ERR);
    }

    if (&ql_hba == NULL) {
        mdb_warn("failed to read ql_hba structure - is qlc loaded?");
        return (DCMD_ERR);
    }

    if ((qlstate = (ql_adapter_state_t *)mdb_alloc(qlsize,
        UM_SLEEP)) == NULL) {
        mdb_warn("Unable to allocate memory for "
            "ql_adapter_state\n");
        return (DCMD_OK);
    }

    if ((strcasecmp(argv[1].a_un.a_str, "all")) == 0) {

        if (argc != 2) {
            mdb_free(qlstate, qlsize);
            return (DCMD_USAGE);
        }

        hbaptr = (uintptr_t)ql_hba.first;

        while (hbaptr != NULL) {

            if (mdb_vread(qlstate, qlsize, hbaptr) == -1) {
                mdb_free(qlstate, qlsize);
                mdb_warn("failed to read ql_adapter_state "
                    "at %p", hbaptr);
                return (DCMD_OK);
            }

            ql_elog_common(qlstate, elswitch);

            hbaptr = (uintptr_t)qlstate->hba.next;
        }
    } else {
        for (argcnt = 1; argcnt < argc; argcnt++) {

            instance = (uint32_t)mdb_strtoull(
                argv[argcnt].a_un.a_str);

            /* find the correct instance to change */
            hbaptr = (uintptr_t)ql_hba.first;
            while (hbaptr != NULL) {

                if (mdb_vread(qlstate, qlsize, hbaptr) == -1) {
                    mdb_free(qlstate, qlsize);
                    mdb_warn("failed to read "
                        "ql_adapter_state at %p", hbaptr);
                    return (DCMD_OK);
                }

                if (qlstate->instance == instance) {
                    break;
                }

                hbaptr = (uintptr_t)qlstate->hba.next;
            }

            if (hbaptr == NULL) {
                mdb_printf("instance %d is not loaded",
                    instance);
                continue;
            }

            ql_elog_common(qlstate, elswitch);
        }
    }

    mdb_free(qlstate, qlsize);

    return (DCMD_OK);
}

/*
 * qlc_elog_common
 *  mdb helper function which set/resets the extended logging bit
 *
 * Input:
 *  qlstate  = adapter state structure
 *  elswitch = boolean which specifies to reset (0) or set (1) the
 *         extended logging bit.
 *
 * Returns:
 *
 * Context:
 *  User context.
 *
 */
static void
ql_elog_common(ql_adapter_state_t *qlstate, boolean_t elswitch)
{
    uintptr_t   hbaptr = (uintptr_t)qlstate->hba.base_address;
    size_t      qlsize = sizeof (ql_adapter_state_t);

    if (elswitch) {
        if ((qlstate->cfg_flags & CFG_ENABLE_EXTENDED_LOGGING) == 0) {

            qlstate->cfg_flags |= CFG_ENABLE_EXTENDED_LOGGING;

            if ((mdb_vwrite((const void *)qlstate, qlsize,
                hbaptr)) != (ssize_t)qlsize) {
                mdb_warn("instance %d - unable to update",
                    qlstate->instance);
            } else {
                mdb_printf("instance %d extended logging is "
                    "now on\n", qlstate->instance);
            }
        } else {
            mdb_printf("instance %d extended logging is "
                "already on\n", qlstate->instance);
        }
    } else {
        if ((qlstate->cfg_flags & CFG_ENABLE_EXTENDED_LOGGING) != 0) {

            qlstate->cfg_flags &= ~CFG_ENABLE_EXTENDED_LOGGING;

            if ((mdb_vwrite((const void *)qlstate, qlsize,
                hbaptr)) != (ssize_t)qlsize) {
                mdb_warn("instance %d - unable to update",
                    qlstate->instance);
            } else {
                mdb_printf("instance %d extended logging is "
                    "now off\n", qlstate->instance);
            }
        } else {
            mdb_printf("instance %d extended logging is "
                "already off\n", qlstate->instance);
        }
    }
}

/*
 * qlc_ocs_dcmd
 *  mdb dcmd which prints out the outstanding command array using
 *  caller supplied address (which sb the ha structure).
 *
 * Input:
 *  addr  = User supplied ha address.
 *  flags = mdb flags.
 *  argc  = Number of user supplied args.
 *  argv  = Arg array.
 *
 * Returns:
 *  DCMD_USAGE, or DCMD_OK
 *
 * Context:
 *  User context.
 *
 *
 */
static int
/*ARGSUSED*/
qlc_osc_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
    ql_adapter_state_t  *qlstate;
    uintptr_t       qlosc, ptr1;
    uint32_t        indx, found = 0;
    ql_srb_t        *qlsrb;

    if (!(flags & DCMD_ADDRSPEC)) {
        return (DCMD_USAGE);
    }

    if ((qlstate = (ql_adapter_state_t *)
        mdb_alloc(sizeof (ql_adapter_state_t), UM_SLEEP)) == NULL) {
        mdb_warn("Unable to allocate memory for ql_adapter_state\n");
        return (DCMD_OK);
    }
    if (mdb_vread(qlstate, sizeof (ql_adapter_state_t), addr) == -1) {
        mdb_free(qlstate, sizeof (ql_adapter_state_t));
        mdb_warn("failed to read ql_adapter_state at %p", addr);
        return (DCMD_OK);
    }

    qlosc = (uintptr_t)qlstate->outstanding_cmds;
    mdb_printf("qlc instance: %d, base addr = %llx, osc base = %p\n",
        qlstate->instance, qlstate->hba.base_address, qlosc);

    if ((qlsrb = (ql_srb_t *)mdb_alloc(sizeof (ql_srb_t), UM_SLEEP)) ==
        NULL) {
        mdb_free(qlstate, sizeof (ql_adapter_state_t));
        mdb_warn("failed to allocate space for srb_t\n");
        return (DCMD_OK);
    }
    for (indx = 0; indx < MAX_OUTSTANDING_COMMANDS; indx++, qlosc += 8) {
        if (mdb_vread(&ptr1, 8, qlosc) == -1) {
            mdb_warn("failed to read ptr1, indx=%d", indx);
            break;
        }
        if (ptr1 == 0) {
            continue;
        }

        mdb_printf("osc ptr = %p, indx = %xh\n", ptr1, indx);

        if (mdb_vread(qlsrb, sizeof (ql_srb_t), ptr1) == -1) {
            mdb_warn("failed to read ql_srb_t at %p", ptr1);
            break;
        }
        (void) ql_doprint(ptr1, "struct ql_srb");
        found++;
    }

    mdb_free(qlsrb, sizeof (ql_srb_t));
    mdb_free(qlstate, sizeof (ql_adapter_state_t));

    mdb_printf("number of outstanding command srb's is: %d\n", found);

    return (DCMD_OK);
}

/*
 * qlc_wdog_dcmd
 *  mdb dcmd which prints out the commands which are linked
 *  on the watchdog linked list. Caller supplied address (which
 *  sb the ha structure).
 *
 * Input:
 *  addr  = User supplied ha address.
 *  flags = mdb flags.
 *  argc  = Number of user supplied args.
 *  argv  = Arg array.
 *
 * Returns:
 *  DCMD_USAGE, or DCMD_OK
 *
 * Context:
 *  User context.
 *
 *
 */
static int
/*ARGSUSED*/
qlc_wdog_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
    ql_adapter_state_t  *qlstate;
    uint16_t        index, count;
    ql_head_t       *dev;
    ql_srb_t        *srb;
    ql_tgt_t        *tq;
    ql_lun_t        *lq;
    ql_link_t       *tqlink, *srblink, *lqlink;
    int         nextlink;

    if (!(flags & DCMD_ADDRSPEC)) {
        mdb_warn("Address required\n", addr);
        return (DCMD_USAGE);
    }

    if ((qlstate = (ql_adapter_state_t *)
        mdb_alloc(sizeof (ql_adapter_state_t), UM_SLEEP)) == NULL) {
        mdb_warn("Unable to allocate memory for ql_adapter_state\n");
        return (DCMD_OK);
    }

    if (mdb_vread(qlstate, sizeof (ql_adapter_state_t), addr) == -1) {
        mdb_free(qlstate, sizeof (ql_adapter_state_t));
        mdb_warn("failed to read ql_adapter_state at %p", addr);
        return (DCMD_OK);
    }

    /*
     * Read in the device array
     */
    dev = (ql_head_t *)
        mdb_alloc(sizeof (ql_head_t) * DEVICE_HEAD_LIST_SIZE, UM_SLEEP);

    if (mdb_vread(dev, sizeof (ql_head_t) * DEVICE_HEAD_LIST_SIZE,
        (uintptr_t)qlstate->dev) == -1) {
        mdb_warn("failed to read ql_head_t (dev) at %p", qlstate->dev);
        mdb_free(qlstate, sizeof (ql_adapter_state_t));
        mdb_free(dev, sizeof (ql_head_t) * DEVICE_HEAD_LIST_SIZE);
        return (DCMD_OK);
    }

    tqlink = (ql_link_t *)mdb_alloc(sizeof (ql_link_t), UM_SLEEP);
    tq = (ql_tgt_t *)mdb_alloc(sizeof (ql_tgt_t), UM_SLEEP);
    lqlink = (ql_link_t *)mdb_alloc(sizeof (ql_link_t), UM_SLEEP);
    lq = (ql_lun_t *)mdb_alloc(sizeof (ql_lun_t), UM_SLEEP);
    srblink = (ql_link_t *)mdb_alloc(sizeof (ql_link_t), UM_SLEEP);
    srb = (ql_srb_t *)mdb_alloc(sizeof (ql_srb_t), UM_SLEEP);

    /*
     * Validate the devices watchdog queue
     */
    for (index = 0; index < DEVICE_HEAD_LIST_SIZE; index++) {

        /* Skip empty ones */
        if (dev[index].first == NULL) {
            continue;
        }

        mdb_printf("dev array index = %x\n", index);

        /* Loop through targets on device linked list */
        /* get the first link */

        nextlink = get_first_link(&dev[index], tqlink);

        /*
         * traverse the targets linked list at this device array index.
         */
        while (nextlink == DCMD_OK) {
            /* Get the target */
            if (mdb_vread(tq, sizeof (ql_tgt_t),
                (uintptr_t)(tqlink->base_address)) == -1) {
                mdb_warn("failed to read ql_tgt at %p",
                    tqlink->base_address);
                break;
            }
            mdb_printf("tgt q base = %llx, ",
                tqlink->base_address);

            mdb_printf("flags: (%xh)", tq->flags);

            if (tq->flags) {
                ql_dump_flags((uint64_t)tq->flags, qltgt_flags);
            }

            mdb_printf("tgt: %02x%02x%02x%02x%02x%02x%02x%02x ",
                tq->node_name[0], tq->node_name[1],
                tq->node_name[2], tq->node_name[3],
                tq->node_name[4], tq->node_name[5],
                tq->node_name[6], tq->node_name[7]);

            /*
             * Loop through commands on this targets watchdog queue.
             */

            /* Get the first link on the targets cmd wdg q. */
            if (tq->wdg.first == NULL) {
                mdb_printf(" watchdog list empty ");
                break;
            } else {
                if (mdb_vread(srblink, sizeof (ql_link_t),
                    (uintptr_t)tq->wdg.first) == -1) {
                    mdb_warn("failed to read ql_link_t"
                        " at %p", tq->wdg.first);
                    break;
                }
                /* There is aleast one. */
                count = 1;
                /*
                 * Count the remaining items in the
                 * cmd watchdog list.
                 */
                while (srblink->next != NULL) {
                    /* Read in the next ql_link_t header */
                    if (mdb_vread(srblink,
                        sizeof (ql_link_t),
                        (uintptr_t)srblink->next) == -1) {
                        mdb_warn("failed to read"
                            " ql_link_t next at %p",
                            srblink->next);
                        break;
                    }
                    count = (uint16_t)(count + 1);
                }
                mdb_printf(" watchdog list: %d entries\n",
                    count);
                /* get the first one again */
                if (mdb_vread(srblink, sizeof (ql_link_t),
                    (uintptr_t)tq->wdg.first) == -1) {
                    mdb_warn("failed to read ql_link_t"
                        " at %p", tq->wdg.first);
                    break;
                }
            }
            /*
             * Traverse the targets cmd watchdog linked list
             * verifying srb's from the list are on a lun cmd list.
             */
            while (nextlink == DCMD_OK) {
                int found = 0;
                /* get the srb */
                if (mdb_vread(srb, sizeof (ql_srb_t),
                    (uintptr_t)srblink->base_address) == -1) {
                    mdb_warn("failed to read ql_srb_t"
                    " at %p", srblink->base_address);
                    break;
                }
                mdb_printf("ql_srb %llx ",
                    srblink->base_address);

                /*
                 * Get the lun q the srb is on
                 */
                if (mdb_vread(lq, sizeof (ql_lun_t),
                    (uintptr_t)srb->lun_queue) == -1) {
                    mdb_warn("failed to read ql_srb_t"
                        " at %p", srb->lun_queue);
                    break;
                }
                nextlink = get_first_link(&lq->cmd, lqlink);
                /*
                 * traverse the lun cmd linked list looking
                 * for the srb from the targets watchdog list
                 */
                while (nextlink == DCMD_OK) {
                    if (srblink->base_address ==
                        lqlink->base_address) {
                        mdb_printf("on lun %d cmd q\n",
                            lq->lun_no);
                        found = 1;
                        break;
                    }
                    /* get next item on lun cmd list */
                    nextlink = get_next_link(lqlink);
                }
                if (!found) {
                    mdb_printf("not found on lun cmd q\n");
                }
                /* get next item in the watchdog list */
                nextlink = get_next_link(srblink);
            } /* End targets command watchdog list */
            /* get next item in this target list */
            nextlink = get_next_link(tqlink);
        } /* End traverse the device targets linked list */
        mdb_printf("\n");
    } /* End device array */

    mdb_free(tq, sizeof (ql_tgt_t));
    mdb_free(lq, sizeof (ql_lun_t));
    mdb_free(srb, sizeof (ql_srb_t));
    mdb_free(tqlink, sizeof (ql_link_t));
    mdb_free(srblink, sizeof (ql_link_t));
    mdb_free(lqlink, sizeof (ql_link_t));
    mdb_free(qlstate, sizeof (ql_adapter_state_t));
    mdb_free(dev, sizeof (ql_head_t)*DEVICE_HEAD_LIST_SIZE);

    return (DCMD_OK);
}

/*
 * get_first_link
 *  Gets the first ql_link_t header on ql_head.
 *
 * Input:
 *  ql_head  = pointer to a ql_head_t structure.
 *  ql_link  = pointer to a ql_link_t structure.
 *
 * Returns:
 *  DCMD_ABORT, or DCMD_OK
 *
 * Context:
 *  User context.
 *
 */
static int
get_first_link(ql_head_t *qlhead, ql_link_t *qllink)
{
    int rval = DCMD_ABORT;

    if (qlhead != NULL) {
        if (qlhead->first != NULL) {
            /* Read in the first ql_link_t header */
            if (mdb_vread(qllink, sizeof (ql_link_t),
                (uintptr_t)(qlhead->first)) == -1) {
                mdb_warn("failed to read ql_link_t "
                    "next at %p", qlhead->first);
            } else {
                rval = DCMD_OK;
            }
        }
    }
    return (rval);
}

/*
 * get_next_link
 *  Gets the next ql_link_t structure.
 *
 * Input:
 *  ql_link  = pointer to a ql_link_t structure.
 *
 * Returns:
 *  DCMD_ABORT, or DCMD_OK
 *
 * Context:
 *  User context.
 *
 */
static int
get_next_link(ql_link_t *qllink)
{
    int rval = DCMD_ABORT;

    if (qllink != NULL) {
        if (qllink->next != NULL) {
            /* Read in the next ql_link_t header */
            if (mdb_vread(qllink, sizeof (ql_link_t),
                (uintptr_t)(qllink->next)) == -1) {
                mdb_warn("failed to read ql_link_t "
                    "next at %p", qllink->next);
            } else {
                rval = DCMD_OK;
            }
        }
    }
    return (rval);
}

/*
 * qlcstate_dcmd
 *  mdb dcmd which prints out the ql_state info using
 *  caller supplied address.
 *
 * Input:
 *  addr  = User supplied address.
 *  flags = mdb flags.
 *  argc  = Number of user supplied args.
 *  argv  = Arg array.
 *
 * Returns:
 *  DCMD_USAGE, or DCMD_OK
 *
 * Context:
 *  User context.
 *
 */
static int
qlcstate_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
    ql_adapter_state_t  *qlstate;
    int         verbose = 0;

    if (!(flags & DCMD_ADDRSPEC)) {
        return (DCMD_USAGE);
    }

    if (mdb_getopts(argc, argv, 'v', MDB_OPT_SETBITS, TRUE, &verbose) !=
        argc) {
        return (DCMD_USAGE);
    }

    if ((qlstate = (ql_adapter_state_t *)
        mdb_alloc(sizeof (ql_adapter_state_t), UM_SLEEP)) == NULL) {
        mdb_warn("failed to allocate memory for ql_adapter_state\n");
        return (DCMD_OK);
    }
    if (mdb_vread(qlstate, sizeof (ql_adapter_state_t), addr) == -1) {
        mdb_free(qlstate, sizeof (ql_adapter_state_t));
        mdb_warn("failed to read ql_adapter_state at %p", addr);
        return (DCMD_OK);
    }

    mdb_printf("qlc instance: %d, base addr = %llx\n", qlstate->instance,
        addr);

    mdb_printf("\nadapter state flags:\n");
    ql_dump_flags((uint64_t)qlstate->flags, adapter_state_flags);
    mdb_printf("\nadapter cfg flags:\n");
    ql_dump_flags((uint64_t)qlstate->cfg_flags, adapter_config_flags);
    mdb_printf("\ntask daemon state flags:\n");
    ql_dump_flags((uint64_t)qlstate->task_daemon_flags,
        task_daemon_flags);

    if (verbose) {
        (void) ql_doprint(addr, "struct ql_adapter_state");
    }

    mdb_free(qlstate, sizeof (ql_adapter_state_t));

    return (DCMD_OK);
}

/*
 * qlcstates_walk_init
 *  mdb walker init which prints out all qlc states info.
 *
 * Input:
 *  wsp - Pointer to walker state struct
 *
 * Returns:
 *  WALK_ERR, or WALK_NEXT
 *
 * Context:
 *  User context.
 *
 */
static int
qlstates_walk_init(mdb_walk_state_t *wsp)
{
    ql_head_t   ql_hba;

    if (wsp->walk_addr == NULL) {
        if ((mdb_readvar(&ql_hba, "ql_hba") == -1) ||
            (&ql_hba == NULL)) {
            mdb_warn("failed to read ql_hba structure");
            return (WALK_ERR);
        }

        wsp->walk_addr = (uintptr_t)ql_hba.first;
        wsp->walk_data = mdb_alloc(sizeof (ql_adapter_state_t),
            UM_SLEEP);
        return (WALK_NEXT);
    } else {
        return (ql_doprint(wsp->walk_addr, "struct ql_adapter_state"));
    }
}

/*
 * qlstates_walk_step
 *  mdb walker step which prints out all qlc states info.
 *
 * Input:
 *  wsp - Pointer to walker state struct
 *
 * Returns:
 *  WALK_DONE, or WALK_NEXT
 *
 * Context:
 *  User context.
 *
 */
static int
qlstates_walk_step(mdb_walk_state_t *wsp)
{
    ql_adapter_state_t  *qlstate;

    if (wsp->walk_addr == NULL) {
        return (WALK_DONE);
    }

    if (mdb_vread(wsp->walk_data, sizeof (ql_adapter_state_t),
        wsp->walk_addr) == -1) {
        mdb_warn("failed to read ql_adapter_state at %p",
            wsp->walk_addr);
        return (WALK_DONE);
    }

    qlstate = (ql_adapter_state_t *)(wsp->walk_data);
    mdb_printf("qlc instance: %d, base addr = %llx\n",
        qlstate->instance, wsp->walk_addr);

    mdb_printf("\nadapter state flags:\n");
    ql_dump_flags((uint64_t)qlstate->flags, adapter_state_flags);
    mdb_printf("\nadapter cfg flags:\n");
    ql_dump_flags((uint64_t)qlstate->cfg_flags, adapter_config_flags);
    mdb_printf("\ntask daemon state flags:\n");
    ql_dump_flags((uint64_t)qlstate->task_daemon_flags,
        task_daemon_flags);

    mdb_printf("\nadapter state:\n");
    (void) ql_doprint(wsp->walk_addr, "struct ql_adapter_state");

    mdb_printf("\n");

    wsp->walk_addr = (uintptr_t)
        (((ql_adapter_state_t *)wsp->walk_data)->hba.next);

    return (WALK_NEXT);
}

/*
 * qlstates_walk_fini
 *  mdb walker fini which wraps up the walker
 *
 * Input:
 *  wsp - Pointer to walker state struct
 *
 * Returns:
 *
 * Context:
 *  User context.
 *
 */
static void
qlstates_walk_fini(mdb_walk_state_t *wsp)
{
    mdb_free(wsp->walk_data, sizeof (ql_adapter_state_t));
}

/*
 * qlsrb_walk_init
 *  mdb walker init which prints out linked srb's
 *
 * Input:
 *  wsp - Pointer to walker ql_srb struct
 *
 * Returns:
 *  WALK_ERR, or WALK_NEXT
 *
 * Context:
 *  User context.
 *
 */
static int
qlsrb_walk_init(mdb_walk_state_t *wsp)
{
    if (wsp->walk_addr == NULL) {
        mdb_warn("failed to read ql_srb addr at %p",
            wsp->walk_addr);
        return (WALK_ERR);
    }

    wsp->walk_data = mdb_alloc(sizeof (ql_srb_t), UM_SLEEP);

    return (WALK_NEXT);
}

/*
 * qlcsrb_walk_step
 *  mdb walker step which prints out linked ql_srb structures
 *
 * Input:
 *  wsp - Pointer to walker srb struct
 *
 * Returns:
 *  WALK_DONE, or WALK_NEXT
 *
 * Context:
 *  User context.
 *
 */
static int
qlsrb_walk_step(mdb_walk_state_t *wsp)
{
    ql_srb_t    *qlsrb;

    if (wsp->walk_addr == NULL)
        return (WALK_DONE);

    if (mdb_vread(wsp->walk_data, sizeof (ql_srb_t),
        wsp->walk_addr) == -1) {
        mdb_warn("failed to read ql_srb at %p", wsp->walk_addr);
        return (WALK_DONE);
    }

    qlsrb = (ql_srb_t *)(wsp->walk_data);
    mdb_printf("ql_srb base addr = %llx\n", wsp->walk_addr);

    mdb_printf("\nql_srb flags:\n");
    ql_dump_flags((uint64_t)qlsrb->flags, qlsrb_flags);

    mdb_printf("\nql_srb:\n");
    (void) ql_doprint(wsp->walk_addr, "struct ql_srb");

    mdb_printf("\n");

    wsp->walk_addr = (uintptr_t)
        (((ql_srb_t *)wsp->walk_data)->cmd.next);

    return (WALK_NEXT);
}

/*
 * qlsrb_walk_fini
 *  mdb walker fini which wraps up the walker
 *
 * Input:
 *  wsp - Pointer to walker state struct
 *
 * Returns:
 *
 * Context:
 *  User context.
 *
 */
static void
qlsrb_walk_fini(mdb_walk_state_t *wsp)
{
    mdb_free(wsp->walk_data, sizeof (ql_srb_t));
}

/*
 * qllunq_dcmd
 *  mdb walker which prints out lun q's
 *
 * Input:
 *  wsp - Pointer to walker ql_lun struct
 *
 * Returns:
 *  WALK_ERR, or WALK_NEXT
 *
 * Context:
 *  User context.
 *
 */
static int
qllunq_walk_init(mdb_walk_state_t *wsp)
{
    if (wsp->walk_addr == NULL) {
        mdb_warn("failed to read ql_lun addr at %p",
            wsp->walk_addr);
        return (WALK_ERR);
    }

    wsp->walk_data = mdb_alloc(sizeof (ql_lun_t), UM_SLEEP);

    return (WALK_NEXT);
}

/*
 * qlclunq_walk_step
 *  mdb walker step which prints out linked ql_lun structures
 *
 * Input:
 *  wsp - Pointer to walker srb struct
 *
 * Returns:
 *  WALK_DONE, or WALK_NEXT
 *
 * Context:
 *  User context.
 *
 */
static int
qllunq_walk_step(mdb_walk_state_t *wsp)
{
    ql_lun_t    *qllun;
    ql_link_t   ql_link;
    ql_link_t   *qllink;

    if (wsp->walk_addr == NULL)
        return (WALK_DONE);

    if (mdb_vread(wsp->walk_data, sizeof (ql_lun_t),
        wsp->walk_addr) == -1) {
        mdb_warn("failed to read ql_lun at %p", wsp->walk_addr);
        return (WALK_DONE);
    }

    qllun = (ql_lun_t *)(wsp->walk_data);
    mdb_printf("ql_lun base addr = %llx\n", wsp->walk_addr);

    mdb_printf("\nql_lun flags:\n");
    ql_dump_flags((uint64_t)qllun->flags, qllun_flags);

    mdb_printf("\nql_lun:\n");
    (void) ql_doprint(wsp->walk_addr, "struct ql_lun");

    mdb_printf("\n");

    qllink = (ql_link_t *)
        (((ql_lun_t *)wsp->walk_data)->link.next);

    if (qllink == NULL) {
        return (WALK_DONE);
    } else {
        /*
         * Read in the next link_t header
         */
        if (mdb_vread(&ql_link, sizeof (ql_link_t),
            (uintptr_t)qllink) == -1) {
            mdb_warn("failed to read ql_link_t "
                "next at %p", qllink->next);
            return (WALK_DONE);
        }
        qllink = &ql_link;
    }

    wsp->walk_addr = (uintptr_t)qllink->base_address;

    return (WALK_NEXT);
}

/*
 * qllunq_walk_fini
 *  mdb walker fini which wraps up the walker
 *
 * Input:
 *  wsp - Pointer to walker state struct
 *
 * Returns:
 *
 * Context:
 *  User context.
 *
 */
static void
qllunq_walk_fini(mdb_walk_state_t *wsp)
{
    mdb_free(wsp->walk_data, sizeof (ql_lun_t));
}

/*
 * qltgtq_dcmd
 *  mdb dcmd which prints out an hs's tq struct info.
 *
 * Input:
 *  addr  = User supplied address. (NB: nust be an ha)
 *  flags = mdb flags.
 *  argc  = Number of user supplied args.
 *  argv  = Arg array.
 *
 * Returns:
 *  DCMD_USAGE, or DCMD_OK
 *
 * Context:
 *  User context.
 *
 */
/*ARGSUSED*/
static int
qltgtq_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
    ql_adapter_state_t  *ha;
    ql_link_t       *link;
    ql_tgt_t        *tq;
    uint32_t        index;
    ql_head_t       *dev;

    if ((!(flags & DCMD_ADDRSPEC)) || addr == NULL) {
        mdb_warn("ql_hba structure addr is required");
        return (DCMD_USAGE);
    }

    /*
     * Get the adapter state struct which was passed
     */

    ha = (ql_adapter_state_t *)mdb_alloc(sizeof (ql_adapter_state_t),
        UM_SLEEP);

    if (mdb_vread(ha, sizeof (ql_adapter_state_t), addr) == -1) {
        mdb_warn("failed to read ql_adapter_state at %p", addr);
        mdb_free(ha, sizeof (ql_adapter_state_t));
        return (DCMD_OK);
    }

    if (ha->dev == NULL) {
        mdb_warn("dev ptr is NULL for ha: %p", addr);
        mdb_free(ha, sizeof (ql_adapter_state_t));
        return (DCMD_OK);
    }

    /*
     * Read in the device array
     */
    dev = (ql_head_t *)
        mdb_alloc(sizeof (ql_head_t) * DEVICE_HEAD_LIST_SIZE, UM_SLEEP);

    if (mdb_vread(dev, sizeof (ql_head_t) * DEVICE_HEAD_LIST_SIZE,
        (uintptr_t)ha->dev) == -1) {
        mdb_warn("failed to read ql_head_t (dev) at %p", ha->dev);
        mdb_free(ha, sizeof (ql_adapter_state_t));
        mdb_free(dev, sizeof (ql_head_t) * DEVICE_HEAD_LIST_SIZE);
    }

    tq = (ql_tgt_t *)mdb_alloc(sizeof (ql_tgt_t), UM_SLEEP);
    link = (ql_link_t *)mdb_alloc(sizeof (ql_link_t), UM_SLEEP);

    for (index = 0; index < DEVICE_HEAD_LIST_SIZE; index++) {

        if (dev[index].first == NULL) {
            continue;
        }

        if (mdb_vread(link, sizeof (ql_link_t),
            (uintptr_t)dev[index].first) == -1) {
            mdb_warn("failed to read ql_link_t at %p",
                dev[index].first);
            break;
        }

        while (link != NULL) {
            if (mdb_vread(tq, sizeof (ql_tgt_t),
                (uintptr_t)(link->base_address)) == -1) {
                mdb_warn("failed to read ql_tgt at %p",
                    link->base_address);
                break;
            }

            mdb_printf("tgt queue base addr = %llx\n",
                link->base_address);

            mdb_printf("\ntgt queue flags: (%xh)\n", tq->flags);
            ql_dump_flags((uint64_t)tq->flags, qltgt_flags);

            mdb_printf("\ntgt queue:\n");

            (void) ql_doprint((uintptr_t)link->base_address,
                "struct ql_target");

            mdb_printf("\n");

            if (get_next_link(link) != DCMD_OK) {
                break;
            }
        }
    }

    mdb_free(ha, sizeof (ql_adapter_state_t));
    mdb_free(tq, sizeof (ql_tgt_t));
    mdb_free(link, sizeof (ql_link_t));
    mdb_free(dev, sizeof (ql_head_t)*DEVICE_HEAD_LIST_SIZE);

    return (DCMD_OK);
}

/*
 * ql_triggerdump_dcmd
 *  Triggers the driver to take a firmware dump
 *
 * Input:
 *  addr  = User supplied address (optional)
 *  flags = mdb flags.
 *  argc  = Number of user supplied args.
 *  argv  = Arg array (instance #, optional).
 *
 * Returns:
 *  DCMD_OK or DCMD_ERR
 *
 * Context:
 *  User context.
 *
 */

#if 0

/*ARGSUSED*/
static int
qlc_triggerdump_dcmd(uintptr_t addr, uint_t flags, int argc,
    const mdb_arg_t *argv)
{
    ql_adapter_state_t  *qlstate;
    uintptr_t       hbaptr = NULL;
    ql_head_t       ql_hba;
    uint32_t        qlsize = sizeof (ql_adapter_state_t);
    int         mdbs;

    if ((mdbs = mdb_get_state()) == MDB_STATE_DEAD) {
        mdb_warn("Cannot change core file data (state=%xh)\n", mdbs);
        return (DCMD_OK);
    }

    if ((qlstate = (ql_adapter_state_t *)mdb_alloc(qlsize,
        UM_SLEEP)) == NULL) {
        mdb_warn("Unable to allocate memory for ql_adapter_state\n");
        return (DCMD_OK);
    }

    if (addr == NULL) {
        char        *tptr;
        uint32_t    instance;

        if (argc == 0) {
            mdb_warn("must specify either the ha addr or "
                "the instance number\n");
            mdb_free(qlstate, qlsize);
            return (DCMD_OK);
        }

        /*
         * find the specified instance in the ha list
         */

        instance = (uint32_t)strtol(argv[1].a_un.a_str, &tptr, 16);
        if (tptr == argv[1].a_un.a_str) {
            mdb_printf("instance # is illegal: '%s'\n",
                argv[1].a_un.a_str);
            mdb_free(qlstate, qlsize);
            return (DCMD_OK);
        }

        if (mdb_readvar(&ql_hba, "ql_hba") == -1) {
            mdb_warn("failed to read ql_hba structure");
            mdb_free(qlstate, qlsize);
            return (DCMD_ERR);
        }

        if (&ql_hba == NULL) {
            mdb_warn("failed to read ql_hba structure - "
                "is qlc loaded?");
            mdb_free(qlstate, qlsize);
            return (DCMD_ERR);
        }

        hbaptr = (uintptr_t)ql_hba.first;
        while (hbaptr != NULL) {

            if (mdb_vread(qlstate, qlsize, hbaptr) == -1) {
                mdb_free(qlstate, qlsize);
                mdb_warn("failed to read "
                    "ql_adapter_state at %p", hbaptr);
                return (DCMD_OK);
            }

            if (qlstate->instance == instance) {
                break;
            }

            hbaptr = (uintptr_t)qlstate->hba.next;
        }
    } else {

        /*
         * verify the addr specified
         */

        if (mdb_readvar(&ql_hba, "ql_hba") == -1) {
            mdb_warn("failed to read ql_hba structure");
            mdb_free(qlstate, qlsize);
            return (DCMD_ERR);
        }

        if (&ql_hba == NULL) {
            mdb_warn("failed to read ql_hba structure - "
                "is qlc loaded?");
            mdb_free(qlstate, qlsize);
            return (DCMD_ERR);
        }

        hbaptr = (uintptr_t)ql_hba.first;
        while (hbaptr != NULL) {

            if (mdb_vread(qlstate, qlsize, hbaptr) == -1) {
                mdb_free(qlstate, qlsize);
                mdb_warn("failed to read "
                    "ql_adapter_state at %p", hbaptr);
                return (DCMD_OK);
            }

            if (hbaptr == addr) {
                break;
            }

            hbaptr = (uintptr_t)qlstate->hba.next;
        }
    }

    if (hbaptr == NULL) {
        mdb_free(qlstate, qlsize);
        if (argc == 0) {
            mdb_warn("addr specified is not in the hba list\n");
        } else {
            mdb_warn("instance specified does not exist\n");
        }
        return (DCMD_OK);
    }

    if (((qlstate->ql_dump_state & QL_DUMP_VALID) != 0) ||
        (qlstate->ql_dump_ptr != NULL)) {
        mdb_warn("instance %d already has a valid dump\n",
            qlstate->instance);
        mdb_free(qlstate, qlsize);
        return (DCMD_OK);
    }
}
#endif

/*
 * ql_getdump_dcmd
 *  prints out the firmware dump buffer
 *
 * Input:
 *  addr  = User supplied address. (NB: must be an ha)
 *  flags = mdb flags.
 *  argc  = Number of user supplied args.
 *  argv  = Arg array.
 *
 * Returns:
 *  DCMD_OK or DCMD_ERR
 *
 * Context:
 *  User context.
 *
 */
static int
qlc_getdump_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
    ql_adapter_state_t  *ha;
    ql_head_t       ql_hba;
    uintptr_t       hbaptr = NULL;
    int         verbose = 0;

    if ((!(flags & DCMD_ADDRSPEC)) || addr == NULL) {
        mdb_warn("ql_adapter_state structure addr is required");
        return (DCMD_USAGE);
    }

    if (mdb_getopts(argc, argv, 'v', MDB_OPT_SETBITS, TRUE, &verbose) !=
        argc) {
        return (DCMD_USAGE);
    }

    /*
     * Get the adapter state struct which was passed
     */
    if ((ha = (ql_adapter_state_t *)mdb_alloc(sizeof (ql_adapter_state_t),
        UM_SLEEP)) == NULL) {
        mdb_warn("failed to allocate memory for ql_adapter_state\n");
        return (DCMD_OK);
    }

    /*
     * show user which instances have valid f/w dumps available if
     * user has specified verbose option
     */
    if (mdb_readvar(&ql_hba, "ql_hba") == -1) {
        mdb_warn("failed to read ql_hba structure");
    } else if (&ql_hba == NULL) {
        mdb_warn("failed to read ql_hba structure -- is qlc loaded?");
    } else if (verbose) {
        hbaptr = (uintptr_t)ql_hba.first;
        while (hbaptr != NULL) {

            if (mdb_vread(ha, sizeof (ql_adapter_state_t),
                hbaptr) == -1) {
                mdb_free(ha, sizeof (ql_adapter_state_t));
                mdb_warn("failed read ql_adapter_state at %p",
                    hbaptr);
                return (DCMD_OK);
            }

            mdb_printf("instance %d:\n", ha->instance);
            (void) mdb_inc_indent((ulong_t)4);

            if (ha->ql_dump_state == 0) {
                mdb_printf("no dump flags\n");
            } else {
                ql_dump_flags((uint64_t)ha->ql_dump_state,
                    qldump_flags);
            }

            if (ha->ql_dump_ptr == NULL) {
                mdb_printf("no dump address\n");
            } else {
                mdb_printf("dump address is: %p\n",
                    ha->ql_dump_ptr);
            }

            (void) mdb_dec_indent((ulong_t)4);

            hbaptr = (uintptr_t)ha->hba.next;
        }
        mdb_printf("\n");
    }

    if (mdb_vread(ha, sizeof (ql_adapter_state_t), addr) == -1) {
        mdb_warn("failed to read ql_adapter_state at %p", addr);
        mdb_free(ha, sizeof (ql_adapter_state_t));
        return (DCMD_OK);
    }

    /*
     * If its not a valid dump or there's not a f/w dump binary (???)
     * then bail out
     */
    if (((ha->ql_dump_state & QL_DUMP_VALID) == 0) ||
        (ha->ql_dump_ptr == NULL)) {
        mdb_warn("dump does not exist for instance %d (%x, %p)\n",
            ha->instance, ha->ql_dump_state, ha->ql_dump_ptr);
        mdb_free(ha, sizeof (ql_adapter_state_t));
        return (DCMD_OK);
    }

    if (CFG_IST(ha, CFG_CTRL_2422)) {
        (void) ql_24xx_dump_dcmd(ha, flags, argc, argv);
    } else if (CFG_IST(ha, CFG_CTRL_25XX))  {
        (void) ql_25xx_dump_dcmd(ha, flags, argc, argv);
    } else if (CFG_IST(ha, CFG_CTRL_81XX))  {
        (void) ql_81xx_dump_dcmd(ha, flags, argc, argv);
    } else if (!(CFG_IST(ha, CFG_CTRL_8021)))  {
        (void) ql_23xx_dump_dcmd(ha, flags, argc, argv);
    }

    mdb_free(ha, sizeof (ql_adapter_state_t));

    return (DCMD_OK);
}

/*
 * ql_23xx_dump_dcmd
 *  prints out a firmware dump buffer
 *
 * Input:
 *  addr  = User supplied address. (NB: nust be an ha)
 *  flags = mdb flags.
 *  argc  = Number of user supplied args.
 *  argv  = Arg array.
 *
 * Returns:
 *  DCMD_OK or DCMD_ERR
 *
 * Context:
 *  User context.
 *
 */
/*ARGSUSED*/
static int
ql_23xx_dump_dcmd(ql_adapter_state_t *ha, uint_t flags, int argc,
    const mdb_arg_t *argv)
{
    ql_fw_dump_t    *fw;
    uint32_t    cnt = 0;
    int     mbox_cnt;

    fw = (ql_fw_dump_t *)mdb_alloc(ha->ql_dump_size, UM_SLEEP);

    if (mdb_vread(fw, ha->ql_dump_size,
        (uintptr_t)ha->ql_dump_ptr) == -1) {
        mdb_warn("failed to read ql_dump_ptr (no f/w dump active?)");
        mdb_free(fw, ha->ql_dump_size);
        return (DCMD_OK);
    }

    if (ha->cfg_flags & CFG_CTRL_2300) {
        mdb_printf("\nISP 2300IP ");
    } else if (ha->cfg_flags & CFG_CTRL_6322) {
        mdb_printf("\nISP 6322FLX ");
    } else {
        mdb_printf("\nISP 2200IP ");
    }

    mdb_printf("Firmware Version %d.%d.%d\n",
        ha->fw_major_version, ha->fw_minor_version,
        ha->fw_subminor_version);

    mdb_printf("\nPBIU Registers:");
    for (cnt = 0; cnt < sizeof (fw->pbiu_reg) / 2; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%04x  ", fw->pbiu_reg[cnt]);
    }

    if (ha->cfg_flags & (CFG_CTRL_2300 | CFG_CTRL_6322)) {
        mdb_printf("\n\nReqQ-RspQ-Risc2Host Status registers:");
        for (cnt = 0; cnt < sizeof (fw->risc_host_reg) / 2; cnt++) {
            if (cnt % 8 == 0) {
                mdb_printf("\n");
            }
            mdb_printf("%04x  ", fw->risc_host_reg[cnt]);
        }
    }

    mdb_printf("\n\nMailbox Registers:");
    mbox_cnt = (ha->cfg_flags & (CFG_CTRL_2300 | CFG_CTRL_6322)) ? 16 : 8;
    for (cnt = 0; cnt < mbox_cnt; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%04x  ", fw->mailbox_reg[cnt]);
    }

    if (ha->cfg_flags & (CFG_CTRL_2300 | CFG_CTRL_6322)) {
        mdb_printf("\n\nAuto Request Response DMA Registers:");
        for (cnt = 0; cnt < sizeof (fw->resp_dma_reg) / 2; cnt++) {
            if (cnt % 8 == 0) {
                mdb_printf("\n");
            }
            mdb_printf("%04x  ", fw->resp_dma_reg[cnt]);
        }
    }

    mdb_printf("\n\nDMA Registers:");
    for (cnt = 0; cnt < sizeof (fw->dma_reg) / 2; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%04x  ", fw->dma_reg[cnt]);
    }

    mdb_printf("\n\nRISC Hardware Registers:");
    for (cnt = 0; cnt < sizeof (fw->risc_hdw_reg) / 2; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%04x  ", fw->risc_hdw_reg[cnt]);
    }

    mdb_printf("\n\nRISC GP0 Registers:");
    for (cnt = 0; cnt < sizeof (fw->risc_gp0_reg) / 2; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%04x  ", fw->risc_gp0_reg[cnt]);
    }

    mdb_printf("\n\nRISC GP1 Registers:");
    for (cnt = 0; cnt < sizeof (fw->risc_gp1_reg) / 2; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%04x  ", fw->risc_gp1_reg[cnt]);
    }

    mdb_printf("\n\nRISC GP2 Registers:");
    for (cnt = 0; cnt < sizeof (fw->risc_gp2_reg) / 2; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%04x  ", fw->risc_gp2_reg[cnt]);
    }

    mdb_printf("\n\nRISC GP3 Registers:");
    for (cnt = 0; cnt < sizeof (fw->risc_gp3_reg) / 2; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%04x  ", fw->risc_gp3_reg[cnt]);
    }

    mdb_printf("\n\nRISC GP4 Registers:");
    for (cnt = 0; cnt < sizeof (fw->risc_gp4_reg) / 2; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%04x  ", fw->risc_gp4_reg[cnt]);
    }

    mdb_printf("\n\nRISC GP5 Registers:");
    for (cnt = 0; cnt < sizeof (fw->risc_gp5_reg) / 2; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%04x  ", fw->risc_gp5_reg[cnt]);
    }

    mdb_printf("\n\nRISC GP6 Registers:");
    for (cnt = 0; cnt < sizeof (fw->risc_gp6_reg) / 2; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%04x  ", fw->risc_gp6_reg[cnt]);
    }

    mdb_printf("\n\nRISC GP7 Registers:");
    for (cnt = 0; cnt < sizeof (fw->risc_gp7_reg) / 2; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%04x  ", fw->risc_gp7_reg[cnt]);
    }

    mdb_printf("\n\nFrame Buffer Hardware Registers:");
    for (cnt = 0; cnt < sizeof (fw->frame_buf_hdw_reg) / 2; cnt++) {
        if ((cnt == 16) &&
            ((ha->cfg_flags & (CFG_CTRL_2300 | CFG_CTRL_6322)) == 0)) {
            break;
        }
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%04x  ", fw->frame_buf_hdw_reg[cnt]);
    }

    mdb_printf("\n\nFPM B0 Registers:");
    for (cnt = 0; cnt < sizeof (fw->fpm_b0_reg) / 2; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%04x  ", fw->fpm_b0_reg[cnt]);
    }

    mdb_printf("\n\nFPM B1 Registers:");
    for (cnt = 0; cnt < sizeof (fw->fpm_b1_reg) / 2; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%04x  ", fw->fpm_b1_reg[cnt]);
    }

    if (ha->cfg_flags & (CFG_CTRL_2300 | CFG_CTRL_6322)) {
        mdb_printf("\n\nCode RAM Dump:");
        for (cnt = 0; cnt < sizeof (fw->risc_ram) / 2; cnt++) {
            if (cnt % 8 == 0) {
                mdb_printf("\n%05x: ", cnt + 0x0800);
            }
            mdb_printf("%04x  ", fw->risc_ram[cnt]);
        }

        mdb_printf("\n\nStack RAM Dump:");
        for (cnt = 0; cnt < sizeof (fw->stack_ram) / 2; cnt++) {
            if (cnt % 8 == 0) {
                mdb_printf("\n%05x: ", cnt + 0x010000);
            }
            mdb_printf("%04x  ", fw->stack_ram[cnt]);
        }

        mdb_printf("\n\nData RAM Dump:");
        for (cnt = 0; cnt < sizeof (fw->data_ram) / 2; cnt++) {
            if (cnt % 8 == 0) {
                mdb_printf("\n%05x: ", cnt + 0x010800);
            }
            mdb_printf("%04x  ", fw->data_ram[cnt]);
        }

        mdb_printf("\n\n[<==END] ISP Debug Dump.\n");

        mdb_printf("\n\nRequest Queue");

        for (cnt = 0; cnt < REQUEST_QUEUE_SIZE / 4; cnt++) {
            if (cnt % 8 == 0) {
                mdb_printf("\n%08x: ", cnt);
            }
            mdb_printf("%08x ", fw->req_q[cnt]);
        }

        mdb_printf("\n\nResponse Queue");

        for (cnt = 0; cnt < RESPONSE_QUEUE_SIZE / 4; cnt++) {
            if (cnt % 8 == 0) {
                mdb_printf("\n%08x: ", cnt);
            }
            mdb_printf("%08x ", fw->rsp_q[cnt]);
        }

        mdb_printf("\n");

    } else {
        mdb_printf("\n\nRISC SRAM:");
        for (cnt = 0; cnt < 0xf000; cnt++) {
            if (cnt % 8 == 0) {
                mdb_printf("\n%04x: ", cnt + 0x1000);
            }
            mdb_printf("%04x  ", fw->risc_ram[cnt]);
        }
    }

    mdb_free(fw, ha->ql_dump_size);

    return (DCMD_OK);
}

/*
 * ql_24xx_dump_dcmd
 *  prints out a firmware dump buffer
 *
 * Input:
 *  addr  = User supplied address. (NB: nust be an ha)
 *  flags = mdb flags.
 *  argc  = Number of user supplied args.
 *  argv  = Arg array.
 *
 * Returns:
 *  DCMD_OK or DCMD_ERR
 *
 * Context:
 *  User context.
 *
 */
/*ARGSUSED*/
static int
ql_24xx_dump_dcmd(ql_adapter_state_t *ha, uint_t flags, int argc,
    const mdb_arg_t *argv)
{
    ql_24xx_fw_dump_t   *fw;
    uint32_t        cnt = 0;

    fw = (ql_24xx_fw_dump_t *)mdb_alloc(ha->ql_dump_size, UM_SLEEP);

    if (mdb_vread(fw, ha->ql_dump_size,
        (uintptr_t)ha->ql_dump_ptr) == -1) {
        mdb_warn("failed to read ql_dump_ptr (no f/w dump active?)");
        mdb_free(fw, ha->ql_dump_size);
        return (DCMD_OK);
    }

    mdb_printf("ISP FW Version %d.%02d.%02d Attributes %X\n",
        ha->fw_major_version, ha->fw_minor_version,
        ha->fw_subminor_version, ha->fw_attributes);

    mdb_printf("\nHCCR Register\n%08x\n", fw->hccr);

    mdb_printf("\nHost Interface Registers");
    for (cnt = 0; cnt < sizeof (fw->host_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->host_reg[cnt]);
    }

    mdb_printf("\n\nMailbox Registers");
    for (cnt = 0; cnt < sizeof (fw->mailbox_reg) / 2; cnt++) {
        if (cnt % 16 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%04x ", fw->mailbox_reg[cnt]);
    }

    mdb_printf("\n\nXSEQ GP Registers");
    for (cnt = 0; cnt < sizeof (fw->xseq_gp_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->xseq_gp_reg[cnt]);
    }

    mdb_printf("\n\nXSEQ-0 Registers");
    for (cnt = 0; cnt < sizeof (fw->xseq_0_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->xseq_0_reg[cnt]);
    }

    mdb_printf("\n\nXSEQ-1 Registers");
    for (cnt = 0; cnt < sizeof (fw->xseq_1_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->xseq_1_reg[cnt]);
    }

    mdb_printf("\n\nRSEQ GP Registers");
    for (cnt = 0; cnt < sizeof (fw->rseq_gp_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->rseq_gp_reg[cnt]);
    }

    mdb_printf("\n\nRSEQ-0 Registers");
    for (cnt = 0; cnt < sizeof (fw->rseq_0_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->rseq_0_reg[cnt]);
    }

    mdb_printf("\n\nRSEQ-1 Registers");
    for (cnt = 0; cnt < sizeof (fw->rseq_1_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->rseq_1_reg[cnt]);
    }

    mdb_printf("\n\nRSEQ-2 Registers");
    for (cnt = 0; cnt < sizeof (fw->rseq_2_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->rseq_2_reg[cnt]);
    }

    mdb_printf("\n\nCommand DMA Registers");
    for (cnt = 0; cnt < sizeof (fw->cmd_dma_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->cmd_dma_reg[cnt]);
    }

    mdb_printf("\n\nRequest0 Queue DMA Channel Registers");
    for (cnt = 0; cnt < sizeof (fw->req0_dma_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->req0_dma_reg[cnt]);
    }

    mdb_printf("\n\nResponse0 Queue DMA Channel Registers");
    for (cnt = 0; cnt < sizeof (fw->resp0_dma_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->resp0_dma_reg[cnt]);
    }

    mdb_printf("\n\nRequest1 Queue DMA Channel Registers");
    for (cnt = 0; cnt < sizeof (fw->req1_dma_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->req1_dma_reg[cnt]);
    }

    mdb_printf("\n\nXMT0 Data DMA Registers");
    for (cnt = 0; cnt < sizeof (fw->xmt0_dma_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->xmt0_dma_reg[cnt]);
    }

    mdb_printf("\n\nXMT1 Data DMA Registers");
    for (cnt = 0; cnt < sizeof (fw->xmt1_dma_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->xmt1_dma_reg[cnt]);
    }

    mdb_printf("\n\nXMT2 Data DMA Registers");
    for (cnt = 0; cnt < sizeof (fw->xmt2_dma_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->xmt2_dma_reg[cnt]);
    }

    mdb_printf("\n\nXMT3 Data DMA Registers");
    for (cnt = 0; cnt < sizeof (fw->xmt3_dma_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->xmt3_dma_reg[cnt]);
    }

    mdb_printf("\n\nXMT4 Data DMA Registers");
    for (cnt = 0; cnt < sizeof (fw->xmt4_dma_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->xmt4_dma_reg[cnt]);
    }

    mdb_printf("\n\nXMT Data DMA Common Registers");
    for (cnt = 0; cnt < sizeof (fw->xmt_data_dma_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->xmt_data_dma_reg[cnt]);
    }

    mdb_printf("\n\nRCV Thread 0 Data DMA Registers");
    for (cnt = 0; cnt < sizeof (fw->rcvt0_data_dma_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->rcvt0_data_dma_reg[cnt]);
    }

    mdb_printf("\n\nRCV Thread 1 Data DMA Registers");
    for (cnt = 0; cnt < sizeof (fw->rcvt1_data_dma_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->rcvt1_data_dma_reg[cnt]);
    }

    mdb_printf("\n\nRISC GP Registers");
    for (cnt = 0; cnt < sizeof (fw->risc_gp_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->risc_gp_reg[cnt]);
    }

    mdb_printf("\n\nShadow Registers");
    for (cnt = 0; cnt < sizeof (fw->shadow_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->shadow_reg[cnt]);
    }

    mdb_printf("\n\nLMC Registers");
    for (cnt = 0; cnt < sizeof (fw->lmc_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->lmc_reg[cnt]);
    }

    mdb_printf("\n\nFPM Hardware Registers");
    for (cnt = 0; cnt < sizeof (fw->fpm_hdw_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->fpm_hdw_reg[cnt]);
    }

    mdb_printf("\n\nFB Hardware Registers");
    for (cnt = 0; cnt < sizeof (fw->fb_hdw_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->fb_hdw_reg[cnt]);
    }

    mdb_printf("\n\nCode RAM");
    for (cnt = 0; cnt < sizeof (fw->code_ram) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n%08x: ", cnt + 0x20000);
        }
        mdb_printf("%08x ", fw->code_ram[cnt]);
    }

    mdb_printf("\n\nExternal Memory");
    for (cnt = 0; cnt < ha->fw_ext_memory_size / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n%08x: ", cnt + 0x100000);
        }
        mdb_printf("%08x ", fw->ext_mem[cnt]);
    }

    mdb_printf("\n[<==END] ISP Debug Dump");

    mdb_printf("\n\nRequest Queue");

    for (cnt = 0; cnt < REQUEST_QUEUE_SIZE / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n%08x: ", cnt);
        }
        mdb_printf("%08x ", fw->req_q[cnt]);
    }

    mdb_printf("\n\nResponse Queue");

    for (cnt = 0; cnt < RESPONSE_QUEUE_SIZE / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n%08x: ", cnt);
        }
        mdb_printf("%08x ", fw->rsp_q[cnt]);
    }

    if ((ha->cfg_flags & CFG_ENABLE_FWEXTTRACE) &&
        (ha->fwexttracebuf.bp != NULL)) {
        uint32_t cnt_b = 0;
        uint32_t *w32 = ha->fwexttracebuf.bp;

        mdb_printf("\n\nExtended Trace Buffer Memory");
        /* show data address as a byte address, data as long words */
        for (cnt = 0; cnt < FWEXTSIZE / 4; cnt++) {
            cnt_b = cnt * 4;
            if (cnt_b % 32 == 0) {
                mdb_printf("\n%08x: ", w32 + cnt_b);
            }
            mdb_printf("%08x ", fw->ext_trace_buf[cnt]);
        }
    }

    if ((ha->cfg_flags & CFG_ENABLE_FWFCETRACE) &&
        (ha->fwfcetracebuf.bp != NULL)) {
        uint32_t cnt_b = 0;
        uint32_t *w32 = ha->fwfcetracebuf.bp;

        mdb_printf("\n\nFC Event Trace Buffer Memory");
        /* show data address as a byte address, data as long words */
        for (cnt = 0; cnt < FWFCESIZE / 4; cnt++) {
            cnt_b = cnt * 4;
            if (cnt_b % 32 == 0) {
                mdb_printf("\n%08x: ", w32 + cnt_b);
            }
            mdb_printf("%08x ", fw->fce_trace_buf[cnt]);
        }
    }
    mdb_free(fw, ha->ql_dump_size);

    return (DCMD_OK);
}

/*
 * ql_25xx_dump_dcmd
 *  prints out a firmware dump buffer
 *
 * Input:
 *  addr  = User supplied address. (NB: nust be an ha)
 *  flags = mdb flags.
 *  argc  = Number of user supplied args.
 *  argv  = Arg array.
 *
 * Returns:
 *  DCMD_OK or DCMD_ERR
 *
 * Context:
 *  User context.
 *
 */
/*ARGSUSED*/
static int
ql_25xx_dump_dcmd(ql_adapter_state_t *ha, uint_t flags, int argc,
    const mdb_arg_t *argv)
{
    ql_25xx_fw_dump_t   *fw;
    uint32_t        cnt = 0;

    fw = (ql_25xx_fw_dump_t *)mdb_alloc(ha->ql_dump_size, UM_SLEEP);

    if (mdb_vread(fw, ha->ql_dump_size,
        (uintptr_t)ha->ql_dump_ptr) == -1) {
        mdb_warn("failed to read ql_dump_ptr (no f/w dump active?)");
        mdb_free(fw, ha->ql_dump_size);
        return (DCMD_OK);
    }

    mdb_printf("\nISP FW Version %d.%02d.%02d Attributes %X\n",
        ha->fw_major_version, ha->fw_minor_version,
        ha->fw_subminor_version, ha->fw_attributes);

    mdb_printf("\nR2H Register\n%08x\n", fw->r2h_status);

    mdb_printf("\n\nHostRisc Registers");
    for (cnt = 0; cnt < sizeof (fw->hostrisc_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->hostrisc_reg[cnt]);
    }

    mdb_printf("\n\nPCIe Registers");
    for (cnt = 0; cnt < sizeof (fw->pcie_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->pcie_reg[cnt]);
    }

    mdb_printf("\n\nHost Interface Registers");
    for (cnt = 0; cnt < sizeof (fw->host_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->host_reg[cnt]);
    }

    mdb_printf("\n\nShadow Registers");
    for (cnt = 0; cnt < sizeof (fw->shadow_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }

        mdb_printf("%08x ", fw->shadow_reg[cnt]);
    }

    mdb_printf("\n\nMailbox Registers");
    for (cnt = 0; cnt < sizeof (fw->mailbox_reg) / 2; cnt++) {
        if (cnt % 16 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%04x ", fw->mailbox_reg[cnt]);
    }

    mdb_printf("\n\nXSEQ GP Registers");
    for (cnt = 0; cnt < sizeof (fw->xseq_gp_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->xseq_gp_reg[cnt]);
    }

    mdb_printf("\n\nXSEQ-0 Registers");
    for (cnt = 0; cnt < sizeof (fw->xseq_0_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->xseq_0_reg[cnt]);
    }

    mdb_printf("\n\nXSEQ-1 Registers");
    for (cnt = 0; cnt < sizeof (fw->xseq_1_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->xseq_1_reg[cnt]);
    }

    mdb_printf("\n\nRSEQ GP Registers");
    for (cnt = 0; cnt < sizeof (fw->rseq_gp_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->rseq_gp_reg[cnt]);
    }

    mdb_printf("\n\nRSEQ-0 Registers");
    for (cnt = 0; cnt < sizeof (fw->rseq_0_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->rseq_0_reg[cnt]);
    }

    mdb_printf("\n\nRSEQ-1 Registers");
    for (cnt = 0; cnt < sizeof (fw->rseq_1_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->rseq_1_reg[cnt]);
    }

    mdb_printf("\n\nRSEQ-2 Registers");
    for (cnt = 0; cnt < sizeof (fw->rseq_2_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->rseq_2_reg[cnt]);
    }

    mdb_printf("\n\nASEQ GP Registers");
    for (cnt = 0; cnt < sizeof (fw->aseq_gp_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->aseq_gp_reg[cnt]);
    }

    mdb_printf("\n\nASEQ-0 GP Registers");
    for (cnt = 0; cnt < sizeof (fw->aseq_0_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }

        mdb_printf("%08x ", fw->aseq_0_reg[cnt]);
    }

    mdb_printf("\n\nASEQ-1 GP Registers");
    for (cnt = 0; cnt < sizeof (fw->aseq_1_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }

        mdb_printf("%08x ", fw->aseq_1_reg[cnt]);
    }

    mdb_printf("\n\nASEQ-2 GP Registers");
    for (cnt = 0; cnt < sizeof (fw->aseq_2_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->aseq_2_reg[cnt]);
    }

    mdb_printf("\n\nCommand DMA Registers");
    for (cnt = 0; cnt < sizeof (fw->cmd_dma_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->cmd_dma_reg[cnt]);
    }

    mdb_printf("\n\nRequest0 Queue DMA Channel Registers");
    for (cnt = 0; cnt < sizeof (fw->req0_dma_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->req0_dma_reg[cnt]);
    }

    mdb_printf("\n\nResponse0 Queue DMA Channel Registers");
    for (cnt = 0; cnt < sizeof (fw->resp0_dma_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->resp0_dma_reg[cnt]);
    }

    mdb_printf("\n\nRequest1 Queue DMA Channel Registers");
    for (cnt = 0; cnt < sizeof (fw->req1_dma_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->req1_dma_reg[cnt]);
    }

    mdb_printf("\n\nXMT0 Data DMA Registers");
    for (cnt = 0; cnt < sizeof (fw->xmt0_dma_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->xmt0_dma_reg[cnt]);
    }

    mdb_printf("\n\nXMT1 Data DMA Registers");
    for (cnt = 0; cnt < sizeof (fw->xmt1_dma_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->xmt1_dma_reg[cnt]);
    }

    mdb_printf("\n\nXMT2 Data DMA Registers");
    for (cnt = 0; cnt < sizeof (fw->xmt2_dma_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->xmt2_dma_reg[cnt]);
    }

    mdb_printf("\n\nXMT3 Data DMA Registers");
    for (cnt = 0; cnt < sizeof (fw->xmt3_dma_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->xmt3_dma_reg[cnt]);
    }

    mdb_printf("\n\nXMT4 Data DMA Registers");
    for (cnt = 0; cnt < sizeof (fw->xmt4_dma_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->xmt4_dma_reg[cnt]);
    }

    mdb_printf("\n\nXMT Data DMA Common Registers");
    for (cnt = 0; cnt < sizeof (fw->xmt_data_dma_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->xmt_data_dma_reg[cnt]);
    }

    mdb_printf("\n\nRCV Thread 0 Data DMA Registers");
    for (cnt = 0; cnt < sizeof (fw->rcvt0_data_dma_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->rcvt0_data_dma_reg[cnt]);
    }

    mdb_printf("\n\nRCV Thread 1 Data DMA Registers");
    for (cnt = 0; cnt < sizeof (fw->rcvt1_data_dma_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->rcvt1_data_dma_reg[cnt]);
    }

    mdb_printf("\n\nRISC GP Registers");
    for (cnt = 0; cnt < sizeof (fw->risc_gp_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->risc_gp_reg[cnt]);
    }

    mdb_printf("\n\nRISC IO Register\n%08x", fw->risc_io);

    mdb_printf("\n\nLMC Registers");
    for (cnt = 0; cnt < sizeof (fw->lmc_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->lmc_reg[cnt]);
    }

    mdb_printf("\n\nFPM Hardware Registers");
    for (cnt = 0; cnt < sizeof (fw->fpm_hdw_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->fpm_hdw_reg[cnt]);
    }

    mdb_printf("\n\nFB Hardware Registers");
    for (cnt = 0; cnt < sizeof (fw->fb_hdw_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->fb_hdw_reg[cnt]);
    }

    mdb_printf("\n\nCode RAM");
    for (cnt = 0; cnt < sizeof (fw->code_ram) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n%08x: ", cnt + 0x20000);
        }
        mdb_printf("%08x ", fw->code_ram[cnt]);
    }

    mdb_printf("\n\nExternal Memory");
    for (cnt = 0; cnt < ha->fw_ext_memory_size / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n%08x: ", cnt + 0x100000);
        }
        mdb_printf("%08x ", fw->ext_mem[cnt]);
    }

    mdb_printf("\n[<==END] ISP Debug Dump");

    mdb_printf("\n\nRequest Queue");

    for (cnt = 0; cnt < REQUEST_QUEUE_SIZE / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n%08x: ", cnt);
        }
        mdb_printf("%08x ", fw->req_q[cnt]);
    }

    mdb_printf("\n\nResponse Queue");

    for (cnt = 0; cnt < RESPONSE_QUEUE_SIZE / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n%08x: ", cnt);
        }
        mdb_printf("%08x ", fw->rsp_q[cnt]);
    }

    if ((ha->cfg_flags & CFG_ENABLE_FWEXTTRACE) &&
        (ha->fwexttracebuf.bp != NULL)) {
        uint32_t cnt_b = 0;
        uint32_t *w32 = ha->fwexttracebuf.bp;

        mdb_printf("\n\nExtended Trace Buffer Memory");
        /* show data address as a byte address, data as long words */
        for (cnt = 0; cnt < FWEXTSIZE / 4; cnt++) {
            cnt_b = cnt * 4;
            if (cnt_b % 32 == 0) {
                mdb_printf("\n%08x: ", w32 + cnt_b);
            }
            mdb_printf("%08x ", fw->ext_trace_buf[cnt]);
        }
    }

    if ((ha->cfg_flags & CFG_ENABLE_FWFCETRACE) &&
        (ha->fwfcetracebuf.bp != NULL)) {
        uint32_t cnt_b = 0;
        uint32_t *w32 = ha->fwfcetracebuf.bp;

        mdb_printf("\n\nFC Event Trace Buffer Memory");
        /* show data address as a byte address, data as long words */
        for (cnt = 0; cnt < FWFCESIZE / 4; cnt++) {
            cnt_b = cnt * 4;
            if (cnt_b % 32 == 0) {
                mdb_printf("\n%08x: ", w32 + cnt_b);
            }
            mdb_printf("%08x ", fw->fce_trace_buf[cnt]);
        }
    }

    mdb_free(fw, ha->ql_dump_size);

    mdb_printf("\n\nreturn exit\n");

    return (DCMD_OK);
}

/*
 * ql_81xx_dump_dcmd
 *  prints out a firmware dump buffer
 *
 * Input:
 *  addr  = User supplied address. (NB: nust be an ha)
 *  flags = mdb flags.
 *  argc  = Number of user supplied args.
 *  argv  = Arg array.
 *
 * Returns:
 *  DCMD_OK or DCMD_ERR
 *
 * Context:
 *  User context.
 *
 */
/*ARGSUSED*/
static int
ql_81xx_dump_dcmd(ql_adapter_state_t *ha, uint_t flags, int argc,
    const mdb_arg_t *argv)
{
    ql_81xx_fw_dump_t   *fw;
    uint32_t        cnt = 0;

    fw = (ql_81xx_fw_dump_t *)mdb_alloc(ha->ql_dump_size, UM_SLEEP);

    if (mdb_vread(fw, ha->ql_dump_size,
        (uintptr_t)ha->ql_dump_ptr) == -1) {
        mdb_warn("failed to read ql_dump_ptr (no f/w dump active?)");
        mdb_free(fw, ha->ql_dump_size);
        return (DCMD_OK);
    }

    mdb_printf("\nISP FW Version %d.%02d.%02d Attributes %X\n",
        ha->fw_major_version, ha->fw_minor_version,
        ha->fw_subminor_version, ha->fw_attributes);

    mdb_printf("\nR2H Register\n%08x\n", fw->r2h_status);

    mdb_printf("\n\nHostRisc Registers");
    for (cnt = 0; cnt < sizeof (fw->hostrisc_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->hostrisc_reg[cnt]);
    }

    mdb_printf("\n\nPCIe Registers");
    for (cnt = 0; cnt < sizeof (fw->pcie_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->pcie_reg[cnt]);
    }

    mdb_printf("\n\nHost Interface Registers");
    for (cnt = 0; cnt < sizeof (fw->host_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->host_reg[cnt]);
    }

    mdb_printf("\n\nShadow Registers");
    for (cnt = 0; cnt < sizeof (fw->shadow_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }

        mdb_printf("%08x ", fw->shadow_reg[cnt]);
    }

    mdb_printf("\n\nMailbox Registers");
    for (cnt = 0; cnt < sizeof (fw->mailbox_reg) / 2; cnt++) {
        if (cnt % 16 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%04x ", fw->mailbox_reg[cnt]);
    }

    mdb_printf("\n\nXSEQ GP Registers");
    for (cnt = 0; cnt < sizeof (fw->xseq_gp_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->xseq_gp_reg[cnt]);
    }

    mdb_printf("\n\nXSEQ-0 Registers");
    for (cnt = 0; cnt < sizeof (fw->xseq_0_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->xseq_0_reg[cnt]);
    }

    mdb_printf("\n\nXSEQ-1 Registers");
    for (cnt = 0; cnt < sizeof (fw->xseq_1_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->xseq_1_reg[cnt]);
    }

    mdb_printf("\n\nRSEQ GP Registers");
    for (cnt = 0; cnt < sizeof (fw->rseq_gp_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->rseq_gp_reg[cnt]);
    }

    mdb_printf("\n\nRSEQ-0 Registers");
    for (cnt = 0; cnt < sizeof (fw->rseq_0_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->rseq_0_reg[cnt]);
    }

    mdb_printf("\n\nRSEQ-1 Registers");
    for (cnt = 0; cnt < sizeof (fw->rseq_1_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->rseq_1_reg[cnt]);
    }

    mdb_printf("\n\nRSEQ-2 Registers");
    for (cnt = 0; cnt < sizeof (fw->rseq_2_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->rseq_2_reg[cnt]);
    }

    mdb_printf("\n\nASEQ GP Registers");
    for (cnt = 0; cnt < sizeof (fw->aseq_gp_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->aseq_gp_reg[cnt]);
    }

    mdb_printf("\n\nASEQ-0 GP Registers");
    for (cnt = 0; cnt < sizeof (fw->aseq_0_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }

        mdb_printf("%08x ", fw->aseq_0_reg[cnt]);
    }

    mdb_printf("\n\nASEQ-1 GP Registers");
    for (cnt = 0; cnt < sizeof (fw->aseq_1_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }

        mdb_printf("%08x ", fw->aseq_1_reg[cnt]);
    }

    mdb_printf("\n\nASEQ-2 GP Registers");
    for (cnt = 0; cnt < sizeof (fw->aseq_2_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->aseq_2_reg[cnt]);
    }

    mdb_printf("\n\nCommand DMA Registers");
    for (cnt = 0; cnt < sizeof (fw->cmd_dma_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->cmd_dma_reg[cnt]);
    }

    mdb_printf("\n\nRequest0 Queue DMA Channel Registers");
    for (cnt = 0; cnt < sizeof (fw->req0_dma_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->req0_dma_reg[cnt]);
    }

    mdb_printf("\n\nResponse0 Queue DMA Channel Registers");
    for (cnt = 0; cnt < sizeof (fw->resp0_dma_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->resp0_dma_reg[cnt]);
    }

    mdb_printf("\n\nRequest1 Queue DMA Channel Registers");
    for (cnt = 0; cnt < sizeof (fw->req1_dma_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->req1_dma_reg[cnt]);
    }

    mdb_printf("\n\nXMT0 Data DMA Registers");
    for (cnt = 0; cnt < sizeof (fw->xmt0_dma_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->xmt0_dma_reg[cnt]);
    }

    mdb_printf("\n\nXMT1 Data DMA Registers");
    for (cnt = 0; cnt < sizeof (fw->xmt1_dma_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->xmt1_dma_reg[cnt]);
    }

    mdb_printf("\n\nXMT2 Data DMA Registers");
    for (cnt = 0; cnt < sizeof (fw->xmt2_dma_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->xmt2_dma_reg[cnt]);
    }

    mdb_printf("\n\nXMT3 Data DMA Registers");
    for (cnt = 0; cnt < sizeof (fw->xmt3_dma_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->xmt3_dma_reg[cnt]);
    }

    mdb_printf("\n\nXMT4 Data DMA Registers");
    for (cnt = 0; cnt < sizeof (fw->xmt4_dma_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->xmt4_dma_reg[cnt]);
    }

    mdb_printf("\n\nXMT Data DMA Common Registers");
    for (cnt = 0; cnt < sizeof (fw->xmt_data_dma_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->xmt_data_dma_reg[cnt]);
    }

    mdb_printf("\n\nRCV Thread 0 Data DMA Registers");
    for (cnt = 0; cnt < sizeof (fw->rcvt0_data_dma_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->rcvt0_data_dma_reg[cnt]);
    }

    mdb_printf("\n\nRCV Thread 1 Data DMA Registers");
    for (cnt = 0; cnt < sizeof (fw->rcvt1_data_dma_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->rcvt1_data_dma_reg[cnt]);
    }

    mdb_printf("\n\nRISC GP Registers");
    for (cnt = 0; cnt < sizeof (fw->risc_gp_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->risc_gp_reg[cnt]);
    }

    mdb_printf("\n\nRISC IO Register\n%08x", fw->risc_io);

    mdb_printf("\n\nLMC Registers");
    for (cnt = 0; cnt < sizeof (fw->lmc_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->lmc_reg[cnt]);
    }

    mdb_printf("\n\nFPM Hardware Registers");
    for (cnt = 0; cnt < sizeof (fw->fpm_hdw_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->fpm_hdw_reg[cnt]);
    }

    mdb_printf("\n\nFB Hardware Registers");
    for (cnt = 0; cnt < sizeof (fw->fb_hdw_reg) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n");
        }
        mdb_printf("%08x ", fw->fb_hdw_reg[cnt]);
    }

    mdb_printf("\n\nCode RAM");
    for (cnt = 0; cnt < sizeof (fw->code_ram) / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n%08x: ", cnt + 0x20000);
        }
        mdb_printf("%08x ", fw->code_ram[cnt]);
    }

    mdb_printf("\n\nExternal Memory");
    for (cnt = 0; cnt < ha->fw_ext_memory_size / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n%08x: ", cnt + 0x100000);
        }
        mdb_printf("%08x ", fw->ext_mem[cnt]);
    }

    mdb_printf("\n[<==END] ISP Debug Dump");

    mdb_printf("\n\nRequest Queue");

    for (cnt = 0; cnt < REQUEST_QUEUE_SIZE / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n%08x: ", cnt);
        }
        mdb_printf("%08x ", fw->req_q[cnt]);
    }

    mdb_printf("\n\nResponse Queue");

    for (cnt = 0; cnt < RESPONSE_QUEUE_SIZE / 4; cnt++) {
        if (cnt % 8 == 0) {
            mdb_printf("\n%08x: ", cnt);
        }
        mdb_printf("%08x ", fw->rsp_q[cnt]);
    }

    if ((ha->cfg_flags & CFG_ENABLE_FWEXTTRACE) &&
        (ha->fwexttracebuf.bp != NULL)) {
        uint32_t cnt_b = 0;
        uint32_t *w32 = ha->fwexttracebuf.bp;

        mdb_printf("\n\nExtended Trace Buffer Memory");
        /* show data address as a byte address, data as long words */
        for (cnt = 0; cnt < FWEXTSIZE / 4; cnt++) {
            cnt_b = cnt * 4;
            if (cnt_b % 32 == 0) {
                mdb_printf("\n%08x: ", w32 + cnt_b);
            }
            mdb_printf("%08x ", fw->ext_trace_buf[cnt]);
        }
    }

    if ((ha->cfg_flags & CFG_ENABLE_FWFCETRACE) &&
        (ha->fwfcetracebuf.bp != NULL)) {
        uint32_t cnt_b = 0;
        uint32_t *w32 = ha->fwfcetracebuf.bp;

        mdb_printf("\n\nFC Event Trace Buffer Memory");
        /* show data address as a byte address, data as long words */
        for (cnt = 0; cnt < FWFCESIZE / 4; cnt++) {
            cnt_b = cnt * 4;
            if (cnt_b % 32 == 0) {
                mdb_printf("\n%08x: ", w32 + cnt_b);
            }
            mdb_printf("%08x ", fw->fce_trace_buf[cnt]);
        }
    }

    mdb_free(fw, ha->ql_dump_size);

    mdb_printf("\n\nreturn exit\n");

    return (DCMD_OK);
}

/*
 * ql_gettrace_dcmd
 *  prints out the Extended Logging trace buffer
 *
 * Input:
 *  addr  = User supplied address. (NB: must be an ha)
 *  flags = mdb flags.
 *  argc  = Number of user supplied args.
 *  argv  = Arg array.
 *
 * Returns:
 *  DCMD_OK or DCMD_ERR
 *
 * Context:
 *  User context.
 *
 */
static int
qlc_gettrace_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
    ql_adapter_state_t  *ha;
    int         verbose = 0;
    int         wrapped = 0;
    char            *trace_start;
    char            *trace_end;
    char            *dump_start = 0;
    char            *trace_next  = 0;
    char            *dump_current  = 0;
    el_trace_desc_t     *trace_desc;

    if ((!(flags & DCMD_ADDRSPEC)) || addr == NULL) {
        mdb_warn("ql_adapter_state structure addr is required");
        return (DCMD_USAGE);
    }

    if (mdb_getopts(argc, argv, 'v', MDB_OPT_SETBITS, TRUE, &verbose) !=
        argc) {
        return (DCMD_USAGE);
    }

    /*
     * Get the adapter state struct which was passed
     */
    if ((ha = (ql_adapter_state_t *)mdb_alloc(sizeof (ql_adapter_state_t),
        UM_SLEEP)) == NULL) {
        mdb_warn("failed to allocate memory for ql_adapter_state\n");
        return (DCMD_OK);
    }

    if (mdb_vread(ha, sizeof (ql_adapter_state_t), addr) == -1) {
        mdb_warn("failed to read ql_adapter_state at %p", addr);
        mdb_free(ha, sizeof (ql_adapter_state_t));
        return (DCMD_OK);
    }

    /*
     * If its not a valid trace descriptor then bail out
     */
    if (ha->el_trace_desc == NULL) {
        mdb_warn("trace descriptor does not exist for instance %d\n",
            ha->instance);
        mdb_free(ha, sizeof (ql_adapter_state_t));
        return (DCMD_OK);
    } else {
        trace_desc = (el_trace_desc_t *)
            mdb_alloc(sizeof (el_trace_desc_t), UM_SLEEP);
        if (mdb_vread(trace_desc, sizeof (el_trace_desc_t),
            (uintptr_t)ha->el_trace_desc) == -1) {
            mdb_warn("failed to read ql_adapter_state at %p",
                addr);
            mdb_free(trace_desc, sizeof (el_trace_desc_t));
            mdb_free(ha, sizeof (ql_adapter_state_t));
            return (DCMD_OK);
        }
        if (trace_desc->trace_buffer == NULL) {
            mdb_warn("trace buffer does not exist for "
                "instance %d\n", ha->instance);
            mdb_free(trace_desc, sizeof (el_trace_desc_t));
            mdb_free(ha, sizeof (ql_adapter_state_t));
            return (DCMD_OK);
        }
    }

    /* Get the trace buffer */

    trace_start = (char *)
        mdb_zalloc(trace_desc->trace_buffer_size, UM_SLEEP);

    if (mdb_vread(trace_start, trace_desc->trace_buffer_size,
        (uintptr_t)trace_desc->trace_buffer) == -1) {
        mdb_warn("failed to read trace buffer?)");
        mdb_free(trace_start, trace_desc->trace_buffer_size);
        mdb_free(ha, sizeof (ql_adapter_state_t));
        return (DCMD_OK);
    }

    /* set the end of the trace buffer. */
    trace_end = trace_start + trace_desc->trace_buffer_size;

    /* Find the start point of trace. */
    trace_next = trace_start + trace_desc->next;

    /*
     * If the buffer has not wrapped next will point at a null so
     * start is the begining of the buffer.  If next points at a char
     * then we must traverse the buffer further until a null is detected.
     * The location after the null will be the beginning of the oldest
     * whole object in the buffer, which we use as the start.
     */

    if ((trace_next + EL_BUFFER_RESERVE) >= trace_end) {
        dump_start = trace_start;
    } else if (*trace_next != NULL) {
        dump_start = trace_next + (strlen(trace_next) + 1);
    } else {
        dump_start = trace_start;
    }

    dump_current = dump_start;

    mdb_printf("\nExtended Logging trace buffer @%x, start @%x, "
        "size=%d\n\n", trace_start, dump_current,
        trace_desc->trace_buffer_size);

    /* Don't run off the end, no matter what. */
    while (((uintptr_t)dump_current - (uintptr_t)trace_start) <=
        (uintptr_t)trace_desc->trace_buffer_size) {
        /* Show it... */
        mdb_printf("%s", dump_current);
        /* Calculate the next and make it the current */
        dump_current += (strlen(dump_current) + 1);
        /* check for wrap */
        if ((dump_current + EL_BUFFER_RESERVE) >= trace_end) {
            mdb_printf("Wraping %x\n", dump_current);
            dump_current = trace_start;
            wrapped = 1;
        } else if (wrapped) {
            /*   Don't go past next. */
            if ((trace_start + trace_desc->next) <= dump_current) {
                mdb_printf("Done %x", dump_current);
                break;
            }
        } else if (*dump_current == NULL) {
            mdb_printf("Done %x(null)", dump_current);
            break;
        }
    }

    mdb_free(ha, sizeof (ql_adapter_state_t));
    mdb_free(trace_start, trace_desc->trace_buffer_size);
    mdb_free(trace_desc, sizeof (el_trace_desc_t));

    return (DCMD_OK);
}
/*
 * ql_doprint
 *  ql generic function to call the print dcmd
 *
 * Input:
 *  addr - address to struct
 *  prtsting - address to string
 *
 * Returns:
 *  WALK_DONE
 *
 * Context:
 *  User context.
 *
 */
static int32_t
ql_doprint(uintptr_t addr, int8_t *prtstring)
{
    struct  mdb_arg     printarg;

    printarg.a_un.a_str = (int8_t *)(mdb_zalloc(strlen(prtstring),
        UM_SLEEP));
    printarg.a_type = MDB_TYPE_STRING;
    (void) strcpy((int8_t *)(printarg.a_un.a_str), prtstring);

    if ((mdb_call_dcmd("print", addr, DCMD_ADDRSPEC, 1,
        &printarg)) == -1) {
        mdb_warn("ql_doprint: failed print dcmd: %s"
            "at addr: %llxh", prtstring, addr);
    }

    mdb_free((void *)(printarg.a_un.a_str), strlen(prtstring));
    return (WALK_DONE);
}

/*
 * ql_dump_flags
 *  mdb utility to print the flag string
 *
 * Input:
 *  flags - flags to print
 *  strings - text to print when flag is set
 *
 * Returns:
 *
 *
 * Context:
 *  User context.
 *
 */
static void
ql_dump_flags(uint64_t flags, int8_t **strings)
{
    int     i, linel, first = 1;
    uint64_t    mask = 1;

    linel = 8;
    mdb_printf("\t");
    for (i = 0; i < 64; i++) {
        if (strings[i] == NULL)
            break;
        if (flags & mask) {
            if (!first) {
                mdb_printf(" | ");
            } else {
                first = 0;
            }
            linel += (int32_t)strlen(strings[i]) + 3;
            if (linel > 80) {
                mdb_printf("\n\t");
                linel = (int32_t)strlen(strings[i]) + 1 + 8;
            }
            mdb_printf("%s", strings[i]);
        }
        mask <<= 1;
    }
    mdb_printf("\n");
}

/*
 * MDB module linkage information
 *
 *
 * dcmd structures for the _mdb_init function
 */
static const mdb_dcmd_t dcmds[] = {
    { "qlclinks", NULL, "Prints qlc link information", qlclinks_dcmd },
    { "qlcosc", NULL, "Prints outstanding cmd info", qlc_osc_dcmd },
    { "qlcver", NULL, "Prints driver/mdb version", qlcver_dcmd },
    { "qlc_elog", "[on|off] [<inst #>|all]", "Turns qlc extended logging "
        "on / off", qlc_el_dcmd },
    { "qlcstate", ":[-v]", "Prints qlc adapter state information",
        qlcstate_dcmd },
    { "qlctgtq", NULL, "Prints qlc target queues", qltgtq_dcmd },
    { "qlcwdog", NULL, "Prints out watchdog linked list", qlc_wdog_dcmd},
    { "qlcgetdump", ":[-v]", "Retrieves the ASCII f/w dump",
        qlc_getdump_dcmd },
    { "qlcgettrace", ":[-v]", "Retrieves the ASCII Extended Logging trace",
        qlc_gettrace_dcmd },
    { NULL }
};

/*
 * walker structures for the _mdb_init function
 */
static const mdb_walker_t walkers[] = {
    { "qlcstates", "walk list of qlc ql_state_t structures",
        qlstates_walk_init, qlstates_walk_step, qlstates_walk_fini },
    { "qlcsrbs", "walk list of qlc ql_srb_t strctures",
        qlsrb_walk_init, qlsrb_walk_step, qlsrb_walk_fini },
    { "qlclunq", "walk list of qlc ql_lun_t strctures",
        qllunq_walk_init, qllunq_walk_step, qllunq_walk_fini },
    { NULL }
};

static const mdb_modinfo_t ql_mdb_modinfo = {
    MDB_API_VERSION, dcmds, walkers
};

/*
 * Registration function which lists the dcmds and walker structures
 */
const mdb_modinfo_t *
_mdb_init(void)
{
    return (&ql_mdb_modinfo);
}