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sys/dev/hyperv/vmbus/aarch64/vmbus_aarch64.c
- This file was added.
| /*- SPDX-License-Identifier: BSD-2-Clause-FreeBSD | |||||
| * Copyright (c) 2009-2012,2016-2017, 2022 Microsoft Corp. | |||||
| * Copyright (c) 2012 NetApp Inc. | |||||
| * Copyright (c) 2012 Citrix 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 unmodified, 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 AUTHOR ``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 AUTHOR 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. | |||||
| */ | |||||
| /* | |||||
| * VM Bus Driver Implementation | |||||
| */ | |||||
| #include <sys/cdefs.h> | |||||
| __FBSDID("$FreeBSD$"); | |||||
| #include <sys/param.h> | |||||
| #include <sys/bus.h> | |||||
| #include <sys/kernel.h> | |||||
| #include <sys/linker.h> | |||||
| #include <sys/lock.h> | |||||
| #include <sys/malloc.h> | |||||
| #include <sys/module.h> | |||||
| #include <sys/mutex.h> | |||||
| #include <sys/sbuf.h> | |||||
| #include <sys/smp.h> | |||||
| #include <sys/sysctl.h> | |||||
| #include <sys/systm.h> | |||||
| #include <sys/taskqueue.h> | |||||
| #include <vm/vm.h> | |||||
| #include <vm/vm_param.h> | |||||
| #include <vm/pmap.h> | |||||
| #include <machine/bus.h> | |||||
| #include <machine/metadata.h> | |||||
| #include <machine/md_var.h> | |||||
| #include <machine/resource.h> | |||||
| #include <contrib/dev/acpica/include/acpi.h> | |||||
| #include <dev/acpica/acpivar.h> | |||||
| #include <dev/hyperv/include/hyperv.h> | |||||
| #include <dev/hyperv/include/vmbus_xact.h> | |||||
| #include <dev/hyperv/vmbus/hyperv_var.h> | |||||
| #include <dev/hyperv/vmbus/vmbus_reg.h> | |||||
| #include <dev/hyperv/vmbus/vmbus_var.h> | |||||
| #include <dev/hyperv/vmbus/vmbus_chanvar.h> | |||||
| #include <dev/hyperv/vmbus/aarch64/hyperv_machdep.h> | |||||
| #include <dev/hyperv/vmbus/aarch64/hyperv_reg.h> | |||||
| #include "acpi_if.h" | |||||
| #include "pcib_if.h" | |||||
| #include "vmbus_if.h" | |||||
| static int vmbus_handle_intr_new(void *); | |||||
| void vmbus_handle_timer_intr1(struct vmbus_message *msg_base, | |||||
| struct trapframe *frame); | |||||
| void vmbus_synic_setup1(void *xsc); | |||||
| void vmbus_synic_teardown1(void); | |||||
| int vmbus_setup_intr1(struct vmbus_softc *sc); | |||||
| void vmbus_intr_teardown1(struct vmbus_softc *sc); | |||||
| void | |||||
| vmbus_handle_timer_intr1(struct vmbus_message *msg_base, | |||||
| struct trapframe *frame) | |||||
| { | |||||
| // do nothing for arm64, as we are using generic timer | |||||
| return; | |||||
| } | |||||
| static int | |||||
| vmbus_handle_intr_new(void *arg) | |||||
| { | |||||
| vmbus_handle_intr(NULL); | |||||
| return (FILTER_HANDLED); | |||||
| } | |||||
| void | |||||
| vmbus_synic_setup1(void *xsc) | |||||
| { | |||||
| return; | |||||
| } | |||||
| void | |||||
| vmbus_synic_teardown1(void) | |||||
| { | |||||
| return; | |||||
| } | |||||
| int | |||||
| vmbus_setup_intr1(struct vmbus_softc *sc) | |||||
| { | |||||
| int err; | |||||
| struct intr_map_data_acpi *irq_data; | |||||
| sc->ires = bus_alloc_resource_any(device_get_parent(sc->vmbus_dev), | |||||
| SYS_RES_IRQ, &sc->vector, RF_ACTIVE | RF_SHAREABLE); | |||||
| if (sc->ires == NULL) { | |||||
| device_printf(sc->vmbus_dev, "bus_alloc_resouce_any failed\n"); | |||||
| return (ENXIO); | |||||
| } else { | |||||
| device_printf(sc->vmbus_dev, "irq 0x%lx, vector %d end 0x%lx\n", | |||||
| (uint64_t)rman_get_start(sc->ires), sc->vector, | |||||
| (uint64_t)rman_get_end(sc->ires)); | |||||
| } | |||||
| err = bus_setup_intr(sc->vmbus_dev, sc->ires, INTR_TYPE_MISC, | |||||
| vmbus_handle_intr_new, NULL, sc, &sc->icookie); | |||||
| if (err) { | |||||
| device_printf(sc->vmbus_dev, "failed to setup IRQ %d\n", err); | |||||
| return (err); | |||||
| } | |||||
| irq_data = (struct intr_map_data_acpi *)rman_get_virtual(sc->ires); | |||||
| device_printf(sc->vmbus_dev, "the irq %u\n", irq_data->irq); | |||||
| sc->vmbus_idtvec = irq_data->irq; | |||||
| return 0; | |||||
| } | |||||
| void | |||||
| vmbus_intr_teardown1(struct vmbus_softc *sc) | |||||
| { | |||||
| int cpu; | |||||
| sc->vmbus_idtvec = -1; | |||||
| bus_teardown_intr(sc->vmbus_dev, sc->ires, sc->icookie); | |||||
| CPU_FOREACH(cpu) { | |||||
| if (VMBUS_PCPU_GET(sc, event_tq, cpu) != NULL) { | |||||
| taskqueue_free(VMBUS_PCPU_GET(sc, event_tq, cpu)); | |||||
| VMBUS_PCPU_GET(sc, event_tq, cpu) = NULL; | |||||
| } | |||||
| if (VMBUS_PCPU_GET(sc, message_tq, cpu) != NULL) { | |||||
| taskqueue_drain(VMBUS_PCPU_GET(sc, message_tq, cpu), | |||||
| VMBUS_PCPU_PTR(sc, message_task, cpu)); | |||||
| taskqueue_free(VMBUS_PCPU_GET(sc, message_tq, cpu)); | |||||
| VMBUS_PCPU_GET(sc, message_tq, cpu) = NULL; | |||||
| } | |||||
| } | |||||
| } | |||||
| /*- SPDX-License-Identifier: BSD-2-Clause-FreeBSD | |||||
| * Copyright (c) 2009-2012,2016-2017, 2022 Microsoft Corp. | |||||
| * Copyright (c) 2012 NetApp Inc. | |||||
| * Copyright (c) 2012 Citrix 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 unmodified, 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 AUTHOR ``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 AUTHOR 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. | |||||
| */ | |||||
| /* | |||||
| * VM Bus Driver Implementation | |||||
| */ | |||||
| #include <sys/cdefs.h> | |||||
| __FBSDID("$FreeBSD$"); | |||||
| #include <sys/param.h> | |||||
| #include <sys/bus.h> | |||||
| #include <sys/kernel.h> | |||||
| #include <sys/linker.h> | |||||
| #include <sys/lock.h> | |||||
| #include <sys/malloc.h> | |||||
| #include <sys/module.h> | |||||
| #include <sys/mutex.h> | |||||
| #include <sys/sbuf.h> | |||||
| #include <sys/smp.h> | |||||
| #include <sys/sysctl.h> | |||||
| #include <sys/systm.h> | |||||
| #include <sys/taskqueue.h> | |||||
| #include <vm/vm.h> | |||||
| #include <vm/vm_param.h> | |||||
| #include <vm/pmap.h> | |||||
| #include <machine/bus.h> | |||||
| #include <machine/metadata.h> | |||||
| #include <machine/md_var.h> | |||||
| #include <machine/resource.h> | |||||
| #include <contrib/dev/acpica/include/acpi.h> | |||||
| #include <dev/acpica/acpivar.h> | |||||
| #include <dev/hyperv/include/hyperv.h> | |||||
| #include <dev/hyperv/include/vmbus_xact.h> | |||||
| #include <dev/hyperv/vmbus/hyperv_var.h> | |||||
| #include <dev/hyperv/vmbus/vmbus_reg.h> | |||||
| #include <dev/hyperv/vmbus/vmbus_var.h> | |||||
| #include <dev/hyperv/vmbus/vmbus_chanvar.h> | |||||
| #include <dev/hyperv/vmbus/aarch64/hyperv_machdep.h> | |||||
| #include <dev/hyperv/vmbus/aarch64/hyperv_reg.h> | |||||
| #include "acpi_if.h" | |||||
| #include "pcib_if.h" | |||||
| #include "vmbus_if.h" | |||||
| static int vmbus_handle_intr_new(void *); | |||||
| void vmbus_handle_timer_intr1(struct vmbus_message *msg_base, | |||||
| struct trapframe *frame); | |||||
| void vmbus_synic_setup1(void *xsc); | |||||
| void vmbus_synic_teardown1(void); | |||||
| int vmbus_setup_intr1(struct vmbus_softc *sc); | |||||
| void vmbus_intr_teardown1(struct vmbus_softc *sc); | |||||
| void | |||||
| vmbus_handle_timer_intr1(struct vmbus_message *msg_base, | |||||
| struct trapframe *frame) | |||||
| { | |||||
| // do nothing for arm64, as we are using generic timer | |||||
| return; | |||||
| } | |||||
| static int | |||||
| vmbus_handle_intr_new(void *arg) | |||||
| { | |||||
| vmbus_handle_intr(NULL); | |||||
| return (FILTER_HANDLED); | |||||
| } | |||||
| void | |||||
| vmbus_synic_setup1(void *xsc) | |||||
| { | |||||
| return; | |||||
| } | |||||
| void | |||||
| vmbus_synic_teardown1(void) | |||||
| { | |||||
| return; | |||||
| } | |||||
| int | |||||
| vmbus_setup_intr1(struct vmbus_softc *sc) | |||||
| { | |||||
| int err; | |||||
| struct intr_map_data_acpi *irq_data; | |||||
| sc->ires = bus_alloc_resource_any(device_get_parent(sc->vmbus_dev), | |||||
| SYS_RES_IRQ, &sc->vector, RF_ACTIVE | RF_SHAREABLE); | |||||
| if (sc->ires == NULL) { | |||||
| device_printf(sc->vmbus_dev, "bus_alloc_resouce_any failed\n"); | |||||
| return (ENXIO); | |||||
| } else { | |||||
| device_printf(sc->vmbus_dev, "irq 0x%lx, vector %d end 0x%lx\n", | |||||
| (uint64_t)rman_get_start(sc->ires), sc->vector, | |||||
| (uint64_t)rman_get_end(sc->ires)); | |||||
| } | |||||
| err = bus_setup_intr(sc->vmbus_dev, sc->ires, INTR_TYPE_MISC, | |||||
| vmbus_handle_intr_new, NULL, sc, &sc->icookie); | |||||
| if (err) { | |||||
| device_printf(sc->vmbus_dev, "failed to setup IRQ %d\n", err); | |||||
| return (err); | |||||
| } | |||||
| irq_data = (struct intr_map_data_acpi *)rman_get_virtual(sc->ires); | |||||
| device_printf(sc->vmbus_dev, "the irq %u\n", irq_data->irq); | |||||
| sc->vmbus_idtvec = irq_data->irq; | |||||
| return 0; | |||||
| } | |||||
| void | |||||
| vmbus_intr_teardown1(struct vmbus_softc *sc) | |||||
| { | |||||
| int cpu; | |||||
| sc->vmbus_idtvec = -1; | |||||
| bus_teardown_intr(sc->vmbus_dev, sc->ires, sc->icookie); | |||||
| CPU_FOREACH(cpu) { | |||||
| if (VMBUS_PCPU_GET(sc, event_tq, cpu) != NULL) { | |||||
| taskqueue_free(VMBUS_PCPU_GET(sc, event_tq, cpu)); | |||||
| VMBUS_PCPU_GET(sc, event_tq, cpu) = NULL; | |||||
| } | |||||
| if (VMBUS_PCPU_GET(sc, message_tq, cpu) != NULL) { | |||||
| taskqueue_drain(VMBUS_PCPU_GET(sc, message_tq, cpu), | |||||
| VMBUS_PCPU_PTR(sc, message_task, cpu)); | |||||
| taskqueue_free(VMBUS_PCPU_GET(sc, message_tq, cpu)); | |||||
| VMBUS_PCPU_GET(sc, message_tq, cpu) = NULL; | |||||
| } | |||||
| } | |||||
| } | |||||