Index: head/sys/dev/sfxge/common/medford2_nic.c =================================================================== --- head/sys/dev/sfxge/common/medford2_nic.c (revision 341119) +++ head/sys/dev/sfxge/common/medford2_nic.c (revision 341120) @@ -1,196 +1,191 @@ /*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2015-2018 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 __FBSDID("$FreeBSD$"); #include "efx.h" #include "efx_impl.h" #if EFSYS_OPT_MEDFORD2 static __checkReturn efx_rc_t medford2_nic_get_required_pcie_bandwidth( __in efx_nic_t *enp, __out uint32_t *bandwidth_mbpsp) { uint32_t port_modes; uint32_t current_mode; uint32_t bandwidth; efx_rc_t rc; /* FIXME: support new Medford2 dynamic port modes */ if ((rc = efx_mcdi_get_port_modes(enp, &port_modes, ¤t_mode)) != 0) { /* No port mode info available. */ bandwidth = 0; goto out; } if ((rc = ef10_nic_get_port_mode_bandwidth(current_mode, &bandwidth)) != 0) goto fail1; out: *bandwidth_mbpsp = bandwidth; return (0); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } __checkReturn efx_rc_t medford2_board_cfg( __in efx_nic_t *enp) { efx_nic_cfg_t *encp = &(enp->en_nic_cfg); uint32_t sysclk, dpcpu_clk; uint32_t end_padding; uint32_t bandwidth; efx_rc_t rc; /* - * FIXME: Likely to be incomplete and incorrect. - * Parts of this should be shared with Huntington. - */ - - /* * Enable firmware workarounds for hardware errata. * Expected responses are: * - 0 (zero): * Success: workaround enabled or disabled as requested. * - MC_CMD_ERR_ENOSYS (reported as ENOTSUP): * Firmware does not support the MC_CMD_WORKAROUND request. * (assume that the workaround is not supported). * - MC_CMD_ERR_ENOENT (reported as ENOENT): * Firmware does not support the requested workaround. * - MC_CMD_ERR_EPERM (reported as EACCES): * Unprivileged function cannot enable/disable workarounds. * * See efx_mcdi_request_errcode() for MCDI error translations. */ if (EFX_PCI_FUNCTION_IS_VF(encp)) { /* * Interrupt testing does not work for VFs on Medford2. * See bug50084 and bug71432 comment 21. */ encp->enc_bug41750_workaround = B_TRUE; } /* Chained multicast is always enabled on Medford2 */ encp->enc_bug26807_workaround = B_TRUE; /* * If the bug61265 workaround is enabled, then interrupt holdoff timers * cannot be controlled by timer table writes, so MCDI must be used * (timer table writes can still be used for wakeup timers). */ rc = efx_mcdi_set_workaround(enp, MC_CMD_WORKAROUND_BUG61265, B_TRUE, NULL); if ((rc == 0) || (rc == EACCES)) encp->enc_bug61265_workaround = B_TRUE; else if ((rc == ENOTSUP) || (rc == ENOENT)) encp->enc_bug61265_workaround = B_FALSE; else goto fail1; /* Get clock frequencies (in MHz). */ if ((rc = efx_mcdi_get_clock(enp, &sysclk, &dpcpu_clk)) != 0) goto fail2; /* * The Medford2 timer quantum is 1536 dpcpu_clk cycles, documented for * the EV_TMR_VAL field of EV_TIMER_TBL. Scale for MHz and ns units. */ encp->enc_evq_timer_quantum_ns = 1536000UL / dpcpu_clk; /* 1536 cycles */ encp->enc_evq_timer_max_us = (encp->enc_evq_timer_quantum_ns << FRF_CZ_TC_TIMER_VAL_WIDTH) / 1000; /* Alignment for receive packet DMA buffers */ encp->enc_rx_buf_align_start = 1; /* Get the RX DMA end padding alignment configuration */ if ((rc = efx_mcdi_get_rxdp_config(enp, &end_padding)) != 0) { if (rc != EACCES) goto fail3; /* Assume largest tail padding size supported by hardware */ end_padding = 256; } encp->enc_rx_buf_align_end = end_padding; /* * The maximum supported transmit queue size is 2048. TXQs with 4096 * descriptors are not supported as the top bit is used for vfifo * stuffing. */ encp->enc_txq_max_ndescs = 2048; EFX_STATIC_ASSERT(MEDFORD2_PIOBUF_NBUFS <= EF10_MAX_PIOBUF_NBUFS); encp->enc_piobuf_limit = MEDFORD2_PIOBUF_NBUFS; encp->enc_piobuf_size = MEDFORD2_PIOBUF_SIZE; encp->enc_piobuf_min_alloc_size = MEDFORD2_MIN_PIO_ALLOC_SIZE; /* * Medford2 stores a single global copy of VPD, not per-PF as on * Huntington. */ encp->enc_vpd_is_global = B_TRUE; rc = medford2_nic_get_required_pcie_bandwidth(enp, &bandwidth); if (rc != 0) goto fail4; encp->enc_required_pcie_bandwidth_mbps = bandwidth; encp->enc_max_pcie_link_gen = EFX_PCIE_LINK_SPEED_GEN3; return (0); fail4: EFSYS_PROBE(fail4); fail3: EFSYS_PROBE(fail3); fail2: EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } #endif /* EFSYS_OPT_MEDFORD2 */ Index: head/sys/dev/sfxge/common/medford_nic.c =================================================================== --- head/sys/dev/sfxge/common/medford_nic.c (revision 341119) +++ head/sys/dev/sfxge/common/medford_nic.c (revision 341120) @@ -1,192 +1,187 @@ /*- * Copyright (c) 2015-2016 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. * * 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 __FBSDID("$FreeBSD$"); #include "efx.h" #include "efx_impl.h" #if EFSYS_OPT_MEDFORD static __checkReturn efx_rc_t medford_nic_get_required_pcie_bandwidth( __in efx_nic_t *enp, __out uint32_t *bandwidth_mbpsp) { uint32_t port_modes; uint32_t current_mode; uint32_t bandwidth; efx_rc_t rc; if ((rc = efx_mcdi_get_port_modes(enp, &port_modes, ¤t_mode)) != 0) { /* No port mode info available. */ bandwidth = 0; goto out; } if ((rc = ef10_nic_get_port_mode_bandwidth(current_mode, &bandwidth)) != 0) goto fail1; out: *bandwidth_mbpsp = bandwidth; return (0); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } __checkReturn efx_rc_t medford_board_cfg( __in efx_nic_t *enp) { efx_nic_cfg_t *encp = &(enp->en_nic_cfg); uint32_t sysclk, dpcpu_clk; uint32_t end_padding; uint32_t bandwidth; efx_rc_t rc; /* - * FIXME: Likely to be incomplete and incorrect. - * Parts of this should be shared with Huntington. - */ - - /* * Enable firmware workarounds for hardware errata. * Expected responses are: * - 0 (zero): * Success: workaround enabled or disabled as requested. * - MC_CMD_ERR_ENOSYS (reported as ENOTSUP): * Firmware does not support the MC_CMD_WORKAROUND request. * (assume that the workaround is not supported). * - MC_CMD_ERR_ENOENT (reported as ENOENT): * Firmware does not support the requested workaround. * - MC_CMD_ERR_EPERM (reported as EACCES): * Unprivileged function cannot enable/disable workarounds. * * See efx_mcdi_request_errcode() for MCDI error translations. */ if (EFX_PCI_FUNCTION_IS_VF(encp)) { /* * Interrupt testing does not work for VFs. See bug50084 and * bug71432 comment 21. */ encp->enc_bug41750_workaround = B_TRUE; } /* Chained multicast is always enabled on Medford */ encp->enc_bug26807_workaround = B_TRUE; /* * If the bug61265 workaround is enabled, then interrupt holdoff timers * cannot be controlled by timer table writes, so MCDI must be used * (timer table writes can still be used for wakeup timers). */ rc = efx_mcdi_set_workaround(enp, MC_CMD_WORKAROUND_BUG61265, B_TRUE, NULL); if ((rc == 0) || (rc == EACCES)) encp->enc_bug61265_workaround = B_TRUE; else if ((rc == ENOTSUP) || (rc == ENOENT)) encp->enc_bug61265_workaround = B_FALSE; else goto fail1; /* Get clock frequencies (in MHz). */ if ((rc = efx_mcdi_get_clock(enp, &sysclk, &dpcpu_clk)) != 0) goto fail2; /* * The Medford timer quantum is 1536 dpcpu_clk cycles, documented for * the EV_TMR_VAL field of EV_TIMER_TBL. Scale for MHz and ns units. */ encp->enc_evq_timer_quantum_ns = 1536000UL / dpcpu_clk; /* 1536 cycles */ encp->enc_evq_timer_max_us = (encp->enc_evq_timer_quantum_ns << FRF_CZ_TC_TIMER_VAL_WIDTH) / 1000; /* Alignment for receive packet DMA buffers */ encp->enc_rx_buf_align_start = 1; /* Get the RX DMA end padding alignment configuration */ if ((rc = efx_mcdi_get_rxdp_config(enp, &end_padding)) != 0) { if (rc != EACCES) goto fail3; /* Assume largest tail padding size supported by hardware */ end_padding = 256; } encp->enc_rx_buf_align_end = end_padding; /* * The maximum supported transmit queue size is 2048. TXQs with 4096 * descriptors are not supported as the top bit is used for vfifo * stuffing. */ encp->enc_txq_max_ndescs = 2048; EFX_STATIC_ASSERT(MEDFORD_PIOBUF_NBUFS <= EF10_MAX_PIOBUF_NBUFS); encp->enc_piobuf_limit = MEDFORD_PIOBUF_NBUFS; encp->enc_piobuf_size = MEDFORD_PIOBUF_SIZE; encp->enc_piobuf_min_alloc_size = MEDFORD_MIN_PIO_ALLOC_SIZE; /* * Medford stores a single global copy of VPD, not per-PF as on * Huntington. */ encp->enc_vpd_is_global = B_TRUE; rc = medford_nic_get_required_pcie_bandwidth(enp, &bandwidth); if (rc != 0) goto fail4; encp->enc_required_pcie_bandwidth_mbps = bandwidth; encp->enc_max_pcie_link_gen = EFX_PCIE_LINK_SPEED_GEN3; return (0); fail4: EFSYS_PROBE(fail4); fail3: EFSYS_PROBE(fail3); fail2: EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } #endif /* EFSYS_OPT_MEDFORD */