X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fsfc%2Fbase%2Fefx_mcdi.c;h=8156acc4241dc0496180309193d647fe6fa87773;hb=8b743724c0e8fda18a60eeb1b709f03f872a75b5;hp=deb5d874a74188e063cd69c5b42b0c5c86c76801;hpb=f7dc06bf35f2149ab98991ef6664702a45835c40;p=dpdk.git diff --git a/drivers/net/sfc/base/efx_mcdi.c b/drivers/net/sfc/base/efx_mcdi.c index deb5d874a7..8156acc424 100644 --- a/drivers/net/sfc/base/efx_mcdi.c +++ b/drivers/net/sfc/base/efx_mcdi.c @@ -1,31 +1,7 @@ -/* - * Copyright (c) 2008-2016 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. +/* SPDX-License-Identifier: BSD-3-Clause * - * 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. + * Copyright (c) 2008-2018 Solarflare Communications Inc. + * All rights reserved. */ #include "efx.h" @@ -69,6 +45,21 @@ static const efx_mcdi_ops_t __efx_mcdi_siena_ops = { #endif /* EFSYS_OPT_SIENA */ +#if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD || EFSYS_OPT_MEDFORD2 + +static const efx_mcdi_ops_t __efx_mcdi_ef10_ops = { + ef10_mcdi_init, /* emco_init */ + ef10_mcdi_send_request, /* emco_send_request */ + ef10_mcdi_poll_reboot, /* emco_poll_reboot */ + ef10_mcdi_poll_response, /* emco_poll_response */ + ef10_mcdi_read_response, /* emco_read_response */ + ef10_mcdi_fini, /* emco_fini */ + ef10_mcdi_feature_supported, /* emco_feature_supported */ + ef10_mcdi_get_timeout, /* emco_get_timeout */ +}; + +#endif /* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD || EFSYS_OPT_MEDFORD2 */ + __checkReturn efx_rc_t @@ -89,6 +80,24 @@ efx_mcdi_init( break; #endif /* EFSYS_OPT_SIENA */ +#if EFSYS_OPT_HUNTINGTON + case EFX_FAMILY_HUNTINGTON: + emcop = &__efx_mcdi_ef10_ops; + break; +#endif /* EFSYS_OPT_HUNTINGTON */ + +#if EFSYS_OPT_MEDFORD + case EFX_FAMILY_MEDFORD: + emcop = &__efx_mcdi_ef10_ops; + break; +#endif /* EFSYS_OPT_MEDFORD */ + +#if EFSYS_OPT_MEDFORD2 + case EFX_FAMILY_MEDFORD2: + emcop = &__efx_mcdi_ef10_ops; + break; +#endif /* EFSYS_OPT_MEDFORD2 */ + default: EFSYS_ASSERT(0); rc = ENOTSUP; @@ -263,7 +272,8 @@ efx_mcdi_request_start( */ if ((max_version >= 2) && ((emrp->emr_cmd > MC_CMD_CMD_SPACE_ESCAPE_7) || - (emrp->emr_in_length > MCDI_CTL_SDU_LEN_MAX_V1))) { + (emrp->emr_in_length > MCDI_CTL_SDU_LEN_MAX_V1) || + (emrp->emr_out_length > MCDI_CTL_SDU_LEN_MAX_V1))) { /* Construct MCDI v2 header */ hdr_len = sizeof (hdr); EFX_POPULATE_DWORD_8(hdr[0], @@ -765,9 +775,8 @@ efx_mcdi_ev_cpl( emrp->emr_rc = 0; } } - if (errcode == 0) { + if (emrp->emr_rc == 0) efx_mcdi_finish_response(enp, emrp); - } emtp->emt_ev_cpl(emtp->emt_context); } @@ -782,6 +791,8 @@ efx_mcdi_get_proxy_handle( { efx_rc_t rc; + _NOTE(ARGUNUSED(enp)) + /* * Return proxy handle from MCDI request that returned with error * MC_MCD_ERR_PROXY_PENDING. This handle is used to wait for a matching @@ -997,6 +1008,79 @@ fail1: return (rc); } + __checkReturn efx_rc_t +efx_mcdi_get_capabilities( + __in efx_nic_t *enp, + __out_opt uint32_t *flagsp, + __out_opt uint16_t *rx_dpcpu_fw_idp, + __out_opt uint16_t *tx_dpcpu_fw_idp, + __out_opt uint32_t *flags2p, + __out_opt uint32_t *tso2ncp) +{ + efx_mcdi_req_t req; + uint8_t payload[MAX(MC_CMD_GET_CAPABILITIES_IN_LEN, + MC_CMD_GET_CAPABILITIES_V2_OUT_LEN)]; + boolean_t v2_capable; + efx_rc_t rc; + + (void) memset(payload, 0, sizeof (payload)); + req.emr_cmd = MC_CMD_GET_CAPABILITIES; + req.emr_in_buf = payload; + req.emr_in_length = MC_CMD_GET_CAPABILITIES_IN_LEN; + req.emr_out_buf = payload; + req.emr_out_length = MC_CMD_GET_CAPABILITIES_V2_OUT_LEN; + + efx_mcdi_execute_quiet(enp, &req); + + if (req.emr_rc != 0) { + rc = req.emr_rc; + goto fail1; + } + + if (req.emr_out_length_used < MC_CMD_GET_CAPABILITIES_OUT_LEN) { + rc = EMSGSIZE; + goto fail2; + } + + if (flagsp != NULL) + *flagsp = MCDI_OUT_DWORD(req, GET_CAPABILITIES_OUT_FLAGS1); + + if (rx_dpcpu_fw_idp != NULL) + *rx_dpcpu_fw_idp = MCDI_OUT_WORD(req, + GET_CAPABILITIES_OUT_RX_DPCPU_FW_ID); + + if (tx_dpcpu_fw_idp != NULL) + *tx_dpcpu_fw_idp = MCDI_OUT_WORD(req, + GET_CAPABILITIES_OUT_TX_DPCPU_FW_ID); + + if (req.emr_out_length_used < MC_CMD_GET_CAPABILITIES_V2_OUT_LEN) + v2_capable = B_FALSE; + else + v2_capable = B_TRUE; + + if (flags2p != NULL) { + *flags2p = (v2_capable) ? + MCDI_OUT_DWORD(req, GET_CAPABILITIES_V2_OUT_FLAGS2) : + 0; + } + + if (tso2ncp != NULL) { + *tso2ncp = (v2_capable) ? + MCDI_OUT_WORD(req, + GET_CAPABILITIES_V2_OUT_TX_TSO_V2_N_CONTEXTS) : + 0; + } + + return (0); + +fail2: + EFSYS_PROBE(fail2); +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + static __checkReturn efx_rc_t efx_mcdi_do_reboot( __in efx_nic_t *enp, @@ -1348,6 +1432,10 @@ efx_mcdi_get_phy_cfg( efx_mcdi_req_t req; uint8_t payload[MAX(MC_CMD_GET_PHY_CFG_IN_LEN, MC_CMD_GET_PHY_CFG_OUT_LEN)]; +#if EFSYS_OPT_NAMES + const char *namep; + size_t namelen; +#endif efx_rc_t rc; (void) memset(payload, 0, sizeof (payload)); @@ -1371,10 +1459,12 @@ efx_mcdi_get_phy_cfg( encp->enc_phy_type = MCDI_OUT_DWORD(req, GET_PHY_CFG_OUT_TYPE); #if EFSYS_OPT_NAMES - (void) strncpy(encp->enc_phy_name, - MCDI_OUT2(req, char, GET_PHY_CFG_OUT_NAME), - MIN(sizeof (encp->enc_phy_name) - 1, - MC_CMD_GET_PHY_CFG_OUT_NAME_LEN)); + namep = MCDI_OUT2(req, char, GET_PHY_CFG_OUT_NAME); + namelen = MIN(sizeof (encp->enc_phy_name) - 1, + strnlen(namep, MC_CMD_GET_PHY_CFG_OUT_NAME_LEN)); + (void) memset(encp->enc_phy_name, 0, + sizeof (encp->enc_phy_name)); + memcpy(encp->enc_phy_name, namep, namelen); #endif /* EFSYS_OPT_NAMES */ (void) memset(encp->enc_phy_revision, 0, sizeof (encp->enc_phy_revision)); @@ -1382,6 +1472,11 @@ efx_mcdi_get_phy_cfg( MCDI_OUT2(req, char, GET_PHY_CFG_OUT_REVISION), MIN(sizeof (encp->enc_phy_revision) - 1, MC_CMD_GET_PHY_CFG_OUT_REVISION_LEN)); +#if EFSYS_OPT_PHY_LED_CONTROL + encp->enc_led_mask = ((1 << EFX_PHY_LED_DEFAULT) | + (1 << EFX_PHY_LED_OFF) | + (1 << EFX_PHY_LED_ON)); +#endif /* EFSYS_OPT_PHY_LED_CONTROL */ /* Get the media type of the fixed port, if recognised. */ EFX_STATIC_ASSERT(MC_CMD_MEDIA_XAUI == EFX_PHY_MEDIA_XAUI); @@ -1398,6 +1493,9 @@ efx_mcdi_get_phy_cfg( epp->ep_phy_cap_mask = MCDI_OUT_DWORD(req, GET_PHY_CFG_OUT_SUPPORTED_CAP); +#if EFSYS_OPT_PHY_FLAGS + encp->enc_phy_flags_mask = MCDI_OUT_DWORD(req, GET_PHY_CFG_OUT_FLAGS); +#endif /* EFSYS_OPT_PHY_FLAGS */ encp->enc_port = (uint8_t)MCDI_OUT_DWORD(req, GET_PHY_CFG_OUT_PRT); @@ -1405,6 +1503,24 @@ efx_mcdi_get_phy_cfg( encp->enc_mcdi_mdio_channel = (uint8_t)MCDI_OUT_DWORD(req, GET_PHY_CFG_OUT_CHANNEL); +#if EFSYS_OPT_PHY_STATS + encp->enc_mcdi_phy_stat_mask = + MCDI_OUT_DWORD(req, GET_PHY_CFG_OUT_STATS_MASK); +#endif /* EFSYS_OPT_PHY_STATS */ + +#if EFSYS_OPT_BIST + encp->enc_bist_mask = 0; + if (MCDI_OUT_DWORD_FIELD(req, GET_PHY_CFG_OUT_FLAGS, + GET_PHY_CFG_OUT_BIST_CABLE_SHORT)) + encp->enc_bist_mask |= (1 << EFX_BIST_TYPE_PHY_CABLE_SHORT); + if (MCDI_OUT_DWORD_FIELD(req, GET_PHY_CFG_OUT_FLAGS, + GET_PHY_CFG_OUT_BIST_CABLE_LONG)) + encp->enc_bist_mask |= (1 << EFX_BIST_TYPE_PHY_CABLE_LONG); + if (MCDI_OUT_DWORD_FIELD(req, GET_PHY_CFG_OUT_FLAGS, + GET_PHY_CFG_OUT_BIST)) + encp->enc_bist_mask |= (1 << EFX_BIST_TYPE_PHY_NORMAL); +#endif /* EFSYS_OPT_BIST */ + return (0); fail2: @@ -1515,6 +1631,108 @@ fail1: return (rc); } +#if EFSYS_OPT_BIST + +#if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD || EFSYS_OPT_MEDFORD2 +/* + * Enter bist offline mode. This is a fw mode which puts the NIC into a state + * where memory BIST tests can be run and not much else can interfere or happen. + * A reboot is required to exit this mode. + */ + __checkReturn efx_rc_t +efx_mcdi_bist_enable_offline( + __in efx_nic_t *enp) +{ + efx_mcdi_req_t req; + efx_rc_t rc; + + EFX_STATIC_ASSERT(MC_CMD_ENABLE_OFFLINE_BIST_IN_LEN == 0); + EFX_STATIC_ASSERT(MC_CMD_ENABLE_OFFLINE_BIST_OUT_LEN == 0); + + req.emr_cmd = MC_CMD_ENABLE_OFFLINE_BIST; + req.emr_in_buf = NULL; + req.emr_in_length = 0; + req.emr_out_buf = NULL; + req.emr_out_length = 0; + + efx_mcdi_execute(enp, &req); + + if (req.emr_rc != 0) { + rc = req.emr_rc; + goto fail1; + } + + return (0); + +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} +#endif /* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD || EFSYS_OPT_MEDFORD2 */ + + __checkReturn efx_rc_t +efx_mcdi_bist_start( + __in efx_nic_t *enp, + __in efx_bist_type_t type) +{ + efx_mcdi_req_t req; + uint8_t payload[MAX(MC_CMD_START_BIST_IN_LEN, + MC_CMD_START_BIST_OUT_LEN)]; + efx_rc_t rc; + + (void) memset(payload, 0, sizeof (payload)); + req.emr_cmd = MC_CMD_START_BIST; + req.emr_in_buf = payload; + req.emr_in_length = MC_CMD_START_BIST_IN_LEN; + req.emr_out_buf = payload; + req.emr_out_length = MC_CMD_START_BIST_OUT_LEN; + + switch (type) { + case EFX_BIST_TYPE_PHY_NORMAL: + MCDI_IN_SET_DWORD(req, START_BIST_IN_TYPE, MC_CMD_PHY_BIST); + break; + case EFX_BIST_TYPE_PHY_CABLE_SHORT: + MCDI_IN_SET_DWORD(req, START_BIST_IN_TYPE, + MC_CMD_PHY_BIST_CABLE_SHORT); + break; + case EFX_BIST_TYPE_PHY_CABLE_LONG: + MCDI_IN_SET_DWORD(req, START_BIST_IN_TYPE, + MC_CMD_PHY_BIST_CABLE_LONG); + break; + case EFX_BIST_TYPE_MC_MEM: + MCDI_IN_SET_DWORD(req, START_BIST_IN_TYPE, + MC_CMD_MC_MEM_BIST); + break; + case EFX_BIST_TYPE_SAT_MEM: + MCDI_IN_SET_DWORD(req, START_BIST_IN_TYPE, + MC_CMD_PORT_MEM_BIST); + break; + case EFX_BIST_TYPE_REG: + MCDI_IN_SET_DWORD(req, START_BIST_IN_TYPE, + MC_CMD_REG_BIST); + break; + default: + EFSYS_ASSERT(0); + } + + efx_mcdi_execute(enp, &req); + + if (req.emr_rc != 0) { + rc = req.emr_rc; + goto fail1; + } + + return (0); + +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + +#endif /* EFSYS_OPT_BIST */ + /* Enable logging of some events (e.g. link state changes) */ __checkReturn efx_rc_t @@ -1553,6 +1771,269 @@ fail1: } +#if EFSYS_OPT_MAC_STATS + +typedef enum efx_stats_action_e { + EFX_STATS_CLEAR, + EFX_STATS_UPLOAD, + EFX_STATS_ENABLE_NOEVENTS, + EFX_STATS_ENABLE_EVENTS, + EFX_STATS_DISABLE, +} efx_stats_action_t; + +static __checkReturn efx_rc_t +efx_mcdi_mac_stats( + __in efx_nic_t *enp, + __in_opt efsys_mem_t *esmp, + __in efx_stats_action_t action, + __in uint16_t period_ms) +{ + efx_mcdi_req_t req; + uint8_t payload[MAX(MC_CMD_MAC_STATS_IN_LEN, + MC_CMD_MAC_STATS_OUT_DMA_LEN)]; + int clear = (action == EFX_STATS_CLEAR); + int upload = (action == EFX_STATS_UPLOAD); + int enable = (action == EFX_STATS_ENABLE_NOEVENTS); + int events = (action == EFX_STATS_ENABLE_EVENTS); + int disable = (action == EFX_STATS_DISABLE); + efx_rc_t rc; + + (void) memset(payload, 0, sizeof (payload)); + req.emr_cmd = MC_CMD_MAC_STATS; + req.emr_in_buf = payload; + req.emr_in_length = MC_CMD_MAC_STATS_IN_LEN; + req.emr_out_buf = payload; + req.emr_out_length = MC_CMD_MAC_STATS_OUT_DMA_LEN; + + MCDI_IN_POPULATE_DWORD_6(req, MAC_STATS_IN_CMD, + MAC_STATS_IN_DMA, upload, + MAC_STATS_IN_CLEAR, clear, + MAC_STATS_IN_PERIODIC_CHANGE, enable | events | disable, + MAC_STATS_IN_PERIODIC_ENABLE, enable | events, + MAC_STATS_IN_PERIODIC_NOEVENT, !events, + MAC_STATS_IN_PERIOD_MS, (enable | events) ? period_ms : 0); + + if (esmp != NULL) { + int bytes = MC_CMD_MAC_NSTATS * sizeof (uint64_t); + + EFX_STATIC_ASSERT(MC_CMD_MAC_NSTATS * sizeof (uint64_t) <= + EFX_MAC_STATS_SIZE); + + MCDI_IN_SET_DWORD(req, MAC_STATS_IN_DMA_ADDR_LO, + EFSYS_MEM_ADDR(esmp) & 0xffffffff); + MCDI_IN_SET_DWORD(req, MAC_STATS_IN_DMA_ADDR_HI, + EFSYS_MEM_ADDR(esmp) >> 32); + MCDI_IN_SET_DWORD(req, MAC_STATS_IN_DMA_LEN, bytes); + } else { + EFSYS_ASSERT(!upload && !enable && !events); + } + + /* + * NOTE: Do not use EVB_PORT_ID_ASSIGNED when disabling periodic stats, + * as this may fail (and leave periodic DMA enabled) if the + * vadapter has already been deleted. + */ + MCDI_IN_SET_DWORD(req, MAC_STATS_IN_PORT_ID, + (disable ? EVB_PORT_ID_NULL : enp->en_vport_id)); + + efx_mcdi_execute(enp, &req); + + if (req.emr_rc != 0) { + /* EF10: Expect ENOENT if no DMA queues are initialised */ + if ((req.emr_rc != ENOENT) || + (enp->en_rx_qcount + enp->en_tx_qcount != 0)) { + rc = req.emr_rc; + goto fail1; + } + } + + return (0); + +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + + __checkReturn efx_rc_t +efx_mcdi_mac_stats_clear( + __in efx_nic_t *enp) +{ + efx_rc_t rc; + + if ((rc = efx_mcdi_mac_stats(enp, NULL, EFX_STATS_CLEAR, 0)) != 0) + goto fail1; + + return (0); + +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + + __checkReturn efx_rc_t +efx_mcdi_mac_stats_upload( + __in efx_nic_t *enp, + __in efsys_mem_t *esmp) +{ + efx_rc_t rc; + + /* + * The MC DMAs aggregate statistics for our convenience, so we can + * avoid having to pull the statistics buffer into the cache to + * maintain cumulative statistics. + */ + if ((rc = efx_mcdi_mac_stats(enp, esmp, EFX_STATS_UPLOAD, 0)) != 0) + goto fail1; + + return (0); + +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + + __checkReturn efx_rc_t +efx_mcdi_mac_stats_periodic( + __in efx_nic_t *enp, + __in efsys_mem_t *esmp, + __in uint16_t period_ms, + __in boolean_t events) +{ + efx_rc_t rc; + + /* + * The MC DMAs aggregate statistics for our convenience, so we can + * avoid having to pull the statistics buffer into the cache to + * maintain cumulative statistics. + * Huntington uses a fixed 1sec period. + * Medford uses a fixed 1sec period before v6.2.1.1033 firmware. + */ + if (period_ms == 0) + rc = efx_mcdi_mac_stats(enp, NULL, EFX_STATS_DISABLE, 0); + else if (events) + rc = efx_mcdi_mac_stats(enp, esmp, EFX_STATS_ENABLE_EVENTS, + period_ms); + else + rc = efx_mcdi_mac_stats(enp, esmp, EFX_STATS_ENABLE_NOEVENTS, + period_ms); + + if (rc != 0) + goto fail1; + + return (0); + +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + +#endif /* EFSYS_OPT_MAC_STATS */ + +#if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD || EFSYS_OPT_MEDFORD2 + +/* + * This function returns the pf and vf number of a function. If it is a pf the + * vf number is 0xffff. The vf number is the index of the vf on that + * function. So if you have 3 vfs on pf 0 the 3 vfs will return (pf=0,vf=0), + * (pf=0,vf=1), (pf=0,vf=2) aand the pf will return (pf=0, vf=0xffff). + */ + __checkReturn efx_rc_t +efx_mcdi_get_function_info( + __in efx_nic_t *enp, + __out uint32_t *pfp, + __out_opt uint32_t *vfp) +{ + efx_mcdi_req_t req; + uint8_t payload[MAX(MC_CMD_GET_FUNCTION_INFO_IN_LEN, + MC_CMD_GET_FUNCTION_INFO_OUT_LEN)]; + efx_rc_t rc; + + (void) memset(payload, 0, sizeof (payload)); + req.emr_cmd = MC_CMD_GET_FUNCTION_INFO; + req.emr_in_buf = payload; + req.emr_in_length = MC_CMD_GET_FUNCTION_INFO_IN_LEN; + req.emr_out_buf = payload; + req.emr_out_length = MC_CMD_GET_FUNCTION_INFO_OUT_LEN; + + efx_mcdi_execute(enp, &req); + + if (req.emr_rc != 0) { + rc = req.emr_rc; + goto fail1; + } + + if (req.emr_out_length_used < MC_CMD_GET_FUNCTION_INFO_OUT_LEN) { + rc = EMSGSIZE; + goto fail2; + } + + *pfp = MCDI_OUT_DWORD(req, GET_FUNCTION_INFO_OUT_PF); + if (vfp != NULL) + *vfp = MCDI_OUT_DWORD(req, GET_FUNCTION_INFO_OUT_VF); + + return (0); + +fail2: + EFSYS_PROBE(fail2); +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + + __checkReturn efx_rc_t +efx_mcdi_privilege_mask( + __in efx_nic_t *enp, + __in uint32_t pf, + __in uint32_t vf, + __out uint32_t *maskp) +{ + efx_mcdi_req_t req; + uint8_t payload[MAX(MC_CMD_PRIVILEGE_MASK_IN_LEN, + MC_CMD_PRIVILEGE_MASK_OUT_LEN)]; + efx_rc_t rc; + + (void) memset(payload, 0, sizeof (payload)); + req.emr_cmd = MC_CMD_PRIVILEGE_MASK; + req.emr_in_buf = payload; + req.emr_in_length = MC_CMD_PRIVILEGE_MASK_IN_LEN; + req.emr_out_buf = payload; + req.emr_out_length = MC_CMD_PRIVILEGE_MASK_OUT_LEN; + + MCDI_IN_POPULATE_DWORD_2(req, PRIVILEGE_MASK_IN_FUNCTION, + PRIVILEGE_MASK_IN_FUNCTION_PF, pf, + PRIVILEGE_MASK_IN_FUNCTION_VF, vf); + + efx_mcdi_execute(enp, &req); + + if (req.emr_rc != 0) { + rc = req.emr_rc; + goto fail1; + } + + if (req.emr_out_length_used < MC_CMD_PRIVILEGE_MASK_OUT_LEN) { + rc = EMSGSIZE; + goto fail2; + } + + *maskp = MCDI_OUT_DWORD(req, PRIVILEGE_MASK_OUT_OLD_MASK); + + return (0); + +fail2: + EFSYS_PROBE(fail2); +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + +#endif /* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD || EFSYS_OPT_MEDFORD2 */ + __checkReturn efx_rc_t efx_mcdi_set_workaround( __in efx_nic_t *enp,