--- /dev/null
+/*
+ * Copyright (c) 2012-2016 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 "efx.h"
+#include "efx_impl.h"
+
+
+#if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD
+
+ __checkReturn efx_rc_t
+ef10_intr_init(
+ __in efx_nic_t *enp,
+ __in efx_intr_type_t type,
+ __in efsys_mem_t *esmp)
+{
+ _NOTE(ARGUNUSED(enp, type, esmp))
+ return (0);
+}
+
+
+ void
+ef10_intr_enable(
+ __in efx_nic_t *enp)
+{
+ _NOTE(ARGUNUSED(enp))
+}
+
+
+ void
+ef10_intr_disable(
+ __in efx_nic_t *enp)
+{
+ _NOTE(ARGUNUSED(enp))
+}
+
+
+ void
+ef10_intr_disable_unlocked(
+ __in efx_nic_t *enp)
+{
+ _NOTE(ARGUNUSED(enp))
+}
+
+
+static __checkReturn efx_rc_t
+efx_mcdi_trigger_interrupt(
+ __in efx_nic_t *enp,
+ __in unsigned int level)
+{
+ efx_mcdi_req_t req;
+ uint8_t payload[MAX(MC_CMD_TRIGGER_INTERRUPT_IN_LEN,
+ MC_CMD_TRIGGER_INTERRUPT_OUT_LEN)];
+ efx_rc_t rc;
+
+ EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON ||
+ enp->en_family == EFX_FAMILY_MEDFORD);
+
+ if (level >= enp->en_nic_cfg.enc_intr_limit) {
+ rc = EINVAL;
+ goto fail1;
+ }
+
+ (void) memset(payload, 0, sizeof (payload));
+ req.emr_cmd = MC_CMD_TRIGGER_INTERRUPT;
+ req.emr_in_buf = payload;
+ req.emr_in_length = MC_CMD_TRIGGER_INTERRUPT_IN_LEN;
+ req.emr_out_buf = payload;
+ req.emr_out_length = MC_CMD_TRIGGER_INTERRUPT_OUT_LEN;
+
+ MCDI_IN_SET_DWORD(req, TRIGGER_INTERRUPT_IN_INTR_LEVEL, level);
+
+ efx_mcdi_execute(enp, &req);
+
+ if (req.emr_rc != 0) {
+ rc = req.emr_rc;
+ goto fail2;
+ }
+
+ return (0);
+
+fail2:
+ EFSYS_PROBE(fail2);
+
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
+ __checkReturn efx_rc_t
+ef10_intr_trigger(
+ __in efx_nic_t *enp,
+ __in unsigned int level)
+{
+ efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
+ efx_rc_t rc;
+
+ if (encp->enc_bug41750_workaround) {
+ /*
+ * bug 41750: Test interrupts don't work on Greenport
+ * bug 50084: Test interrupts don't work on VFs
+ */
+ rc = ENOTSUP;
+ goto fail1;
+ }
+
+ if ((rc = efx_mcdi_trigger_interrupt(enp, level)) != 0)
+ goto fail2;
+
+ return (0);
+
+fail2:
+ EFSYS_PROBE(fail2);
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
+ void
+ef10_intr_status_line(
+ __in efx_nic_t *enp,
+ __out boolean_t *fatalp,
+ __out uint32_t *qmaskp)
+{
+ efx_dword_t dword;
+
+ EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON ||
+ enp->en_family == EFX_FAMILY_MEDFORD);
+
+ /* Read the queue mask and implicitly acknowledge the interrupt. */
+ EFX_BAR_READD(enp, ER_DZ_BIU_INT_ISR_REG, &dword, B_FALSE);
+ *qmaskp = EFX_DWORD_FIELD(dword, EFX_DWORD_0);
+
+ EFSYS_PROBE1(qmask, uint32_t, *qmaskp);
+
+ *fatalp = B_FALSE;
+}
+
+ void
+ef10_intr_status_message(
+ __in efx_nic_t *enp,
+ __in unsigned int message,
+ __out boolean_t *fatalp)
+{
+ EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON ||
+ enp->en_family == EFX_FAMILY_MEDFORD);
+
+ _NOTE(ARGUNUSED(enp, message))
+
+ /* EF10 fatal errors are reported via events */
+ *fatalp = B_FALSE;
+}
+
+ void
+ef10_intr_fatal(
+ __in efx_nic_t *enp)
+{
+ /* EF10 fatal errors are reported via events */
+ _NOTE(ARGUNUSED(enp))
+}
+
+ void
+ef10_intr_fini(
+ __in efx_nic_t *enp)
+{
+ _NOTE(ARGUNUSED(enp))
+}
+
+#endif /* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD */
Code Review / deb_dpdk.git / blobdiff