mirror of https://github.com/F-Stack/f-stack.git
170 lines
2.8 KiB
C
170 lines
2.8 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (c) 2012-2018 Solarflare Communications Inc.
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* All rights reserved.
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*/
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#include "efx.h"
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#include "efx_impl.h"
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#if EFX_OPTS_EF10()
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__checkReturn efx_rc_t
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ef10_intr_init(
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__in efx_nic_t *enp,
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__in efx_intr_type_t type,
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__in efsys_mem_t *esmp)
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{
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_NOTE(ARGUNUSED(enp, type, esmp))
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return (0);
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}
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void
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ef10_intr_enable(
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__in efx_nic_t *enp)
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{
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_NOTE(ARGUNUSED(enp))
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}
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void
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ef10_intr_disable(
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__in efx_nic_t *enp)
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{
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_NOTE(ARGUNUSED(enp))
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}
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void
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ef10_intr_disable_unlocked(
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__in efx_nic_t *enp)
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{
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_NOTE(ARGUNUSED(enp))
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}
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static __checkReturn efx_rc_t
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efx_mcdi_trigger_interrupt(
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__in efx_nic_t *enp,
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__in unsigned int level)
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{
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efx_mcdi_req_t req;
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EFX_MCDI_DECLARE_BUF(payload, MC_CMD_TRIGGER_INTERRUPT_IN_LEN,
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MC_CMD_TRIGGER_INTERRUPT_OUT_LEN);
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efx_rc_t rc;
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EFSYS_ASSERT(EFX_FAMILY_IS_EF10(enp));
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if (level >= enp->en_nic_cfg.enc_intr_limit) {
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rc = EINVAL;
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goto fail1;
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}
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req.emr_cmd = MC_CMD_TRIGGER_INTERRUPT;
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req.emr_in_buf = payload;
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req.emr_in_length = MC_CMD_TRIGGER_INTERRUPT_IN_LEN;
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req.emr_out_buf = payload;
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req.emr_out_length = MC_CMD_TRIGGER_INTERRUPT_OUT_LEN;
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MCDI_IN_SET_DWORD(req, TRIGGER_INTERRUPT_IN_INTR_LEVEL, level);
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efx_mcdi_execute(enp, &req);
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if (req.emr_rc != 0) {
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rc = req.emr_rc;
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goto fail2;
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}
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return (0);
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fail2:
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EFSYS_PROBE(fail2);
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fail1:
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EFSYS_PROBE1(fail1, efx_rc_t, rc);
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return (rc);
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}
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__checkReturn efx_rc_t
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ef10_intr_trigger(
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__in efx_nic_t *enp,
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__in unsigned int level)
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{
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efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
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efx_rc_t rc;
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if (encp->enc_bug41750_workaround) {
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/*
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* bug 41750: Test interrupts don't work on Greenport
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* bug 50084: Test interrupts don't work on VFs
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*/
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rc = ENOTSUP;
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goto fail1;
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}
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if ((rc = efx_mcdi_trigger_interrupt(enp, level)) != 0)
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goto fail2;
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return (0);
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fail2:
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EFSYS_PROBE(fail2);
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fail1:
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EFSYS_PROBE1(fail1, efx_rc_t, rc);
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return (rc);
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}
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void
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ef10_intr_status_line(
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__in efx_nic_t *enp,
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__out boolean_t *fatalp,
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__out uint32_t *qmaskp)
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{
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efx_dword_t dword;
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EFSYS_ASSERT(EFX_FAMILY_IS_EF10(enp));
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/* Read the queue mask and implicitly acknowledge the interrupt. */
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EFX_BAR_READD(enp, ER_DZ_BIU_INT_ISR_REG, &dword, B_FALSE);
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*qmaskp = EFX_DWORD_FIELD(dword, EFX_DWORD_0);
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EFSYS_PROBE1(qmask, uint32_t, *qmaskp);
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*fatalp = B_FALSE;
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}
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void
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ef10_intr_status_message(
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__in efx_nic_t *enp,
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__in unsigned int message,
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__out boolean_t *fatalp)
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{
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EFSYS_ASSERT(EFX_FAMILY_IS_EF10(enp));
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_NOTE(ARGUNUSED(enp, message))
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/* EF10 fatal errors are reported via events */
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*fatalp = B_FALSE;
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}
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void
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ef10_intr_fatal(
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__in efx_nic_t *enp)
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{
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/* EF10 fatal errors are reported via events */
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_NOTE(ARGUNUSED(enp))
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}
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void
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ef10_intr_fini(
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__in efx_nic_t *enp)
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{
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_NOTE(ARGUNUSED(enp))
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}
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#endif /* EFX_OPTS_EF10() */
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