sfxge/common/hunt_phy.c

	hunt_phy.c revision 49ef7e0638c8b771d8a136eae78b1c0f99acc8e0
/*
 * Copyright (c) 2012-2015 Solarflare Communications Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * The views and conclusions contained in the software and documentation are
 * those of the authors and should not be interpreted as representing official
 * policies, either expressed or implied, of the FreeBSD Project.
 */

#include "efx.h"
#include "efx_impl.h"

#if EFSYS_OPT_HUNTINGTON

#if EFSYS_OPT_BIST

    __checkReturn       efx_rc_t
hunt_bist_enable_offline(
    __in            efx_nic_t *enp)
{
    efx_rc_t rc;

    if ((rc = efx_mcdi_bist_enable_offline(enp)) != 0)
        goto fail1;

    return (0);

fail1:
    EFSYS_PROBE1(fail1, efx_rc_t, rc);

    return (rc);
}

    __checkReturn       efx_rc_t
hunt_bist_start(
    __in            efx_nic_t *enp,
    __in            efx_bist_type_t type)
{
    efx_rc_t rc;

    if ((rc = efx_mcdi_bist_start(enp, type)) != 0)
        goto fail1;

    return (0);

fail1:
    EFSYS_PROBE1(fail1, efx_rc_t, rc);

    return (rc);
}

    __checkReturn       efx_rc_t
hunt_bist_poll(
    __in            efx_nic_t *enp,
    __in            efx_bist_type_t type,
    __out           efx_bist_result_t *resultp,
    __out_opt __drv_when(count > 0, __notnull)
    uint32_t *value_maskp,
    __out_ecount_opt(count) __drv_when(count > 0, __notnull)
    unsigned long *valuesp,
    __in            size_t count)
{
    efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
    efx_mcdi_req_t req;
    uint8_t payload[MAX(MC_CMD_POLL_BIST_IN_LEN,
                MCDI_CTL_SDU_LEN_MAX)];
    uint32_t value_mask = 0;
    uint32_t result;
    efx_rc_t rc;
    _NOTE(ARGUNUSED(type))

    (void) memset(payload, 0, sizeof (payload));
    req.emr_cmd = MC_CMD_POLL_BIST;
    req.emr_in_buf = payload;
    req.emr_in_length = MC_CMD_POLL_BIST_IN_LEN;
    req.emr_out_buf = payload;
    req.emr_out_length = MCDI_CTL_SDU_LEN_MAX;

    efx_mcdi_execute(enp, &req);

    if (req.emr_rc != 0) {
        rc = req.emr_rc;
        goto fail1;
    }

    if (req.emr_out_length_used < MC_CMD_POLL_BIST_OUT_RESULT_OFST + 4) {
        rc = EMSGSIZE;
        goto fail2;
    }

    if (count > 0)
        (void) memset(valuesp, '\0', count * sizeof (unsigned long));

    result = MCDI_OUT_DWORD(req, POLL_BIST_OUT_RESULT);

    if (result == MC_CMD_POLL_BIST_FAILED &&
        req.emr_out_length >= MC_CMD_POLL_BIST_OUT_MEM_LEN &&
        count > EFX_BIST_MEM_ECC_FATAL) {
        if (valuesp != NULL) {
            valuesp[EFX_BIST_MEM_TEST] =
                MCDI_OUT_DWORD(req, POLL_BIST_OUT_MEM_TEST);
            valuesp[EFX_BIST_MEM_ADDR] =
                MCDI_OUT_DWORD(req, POLL_BIST_OUT_MEM_ADDR);
            valuesp[EFX_BIST_MEM_BUS] =
                MCDI_OUT_DWORD(req, POLL_BIST_OUT_MEM_BUS);
            valuesp[EFX_BIST_MEM_EXPECT] =
                MCDI_OUT_DWORD(req, POLL_BIST_OUT_MEM_EXPECT);
            valuesp[EFX_BIST_MEM_ACTUAL] =
                MCDI_OUT_DWORD(req, POLL_BIST_OUT_MEM_ACTUAL);
            valuesp[EFX_BIST_MEM_ECC] =
                MCDI_OUT_DWORD(req, POLL_BIST_OUT_MEM_ECC);
            valuesp[EFX_BIST_MEM_ECC_PARITY] =
                MCDI_OUT_DWORD(req, POLL_BIST_OUT_MEM_ECC_PARITY);
            valuesp[EFX_BIST_MEM_ECC_FATAL] =
                MCDI_OUT_DWORD(req, POLL_BIST_OUT_MEM_ECC_FATAL);
        }
        value_mask |= (1 << EFX_BIST_MEM_TEST) |
            (1 << EFX_BIST_MEM_ADDR) |
            (1 << EFX_BIST_MEM_BUS) |
            (1 << EFX_BIST_MEM_EXPECT) |
            (1 << EFX_BIST_MEM_ACTUAL) |
            (1 << EFX_BIST_MEM_ECC) |
            (1 << EFX_BIST_MEM_ECC_PARITY) |
            (1 << EFX_BIST_MEM_ECC_FATAL);
    } else if (result == MC_CMD_POLL_BIST_FAILED &&
        encp->enc_phy_type == EFX_PHY_XFI_FARMI &&
        req.emr_out_length >= MC_CMD_POLL_BIST_OUT_MRSFP_LEN &&
        count > EFX_BIST_FAULT_CODE) {
        if (valuesp != NULL)
            valuesp[EFX_BIST_FAULT_CODE] =
                MCDI_OUT_DWORD(req, POLL_BIST_OUT_MRSFP_TEST);
        value_mask |= 1 << EFX_BIST_FAULT_CODE;
    }

    if (value_maskp != NULL)
        *value_maskp = value_mask;

    EFSYS_ASSERT(resultp != NULL);
    if (result == MC_CMD_POLL_BIST_RUNNING)
        *resultp = EFX_BIST_RESULT_RUNNING;
    else if (result == MC_CMD_POLL_BIST_PASSED)
        *resultp = EFX_BIST_RESULT_PASSED;
    else
        *resultp = EFX_BIST_RESULT_FAILED;

    return (0);

fail2:
    EFSYS_PROBE(fail2);
fail1:
    EFSYS_PROBE1(fail1, efx_rc_t, rc);

    return (rc);
}

            void
hunt_bist_stop(
    __in        efx_nic_t *enp,
    __in        efx_bist_type_t type)
{
    /* There is no way to stop BIST on Huntinton. */
    _NOTE(ARGUNUSED(enp, type))
}

#endif  /* EFSYS_OPT_BIST */

#endif  /* EFSYS_OPT_HUNTINGTON */