Index: sys/dev/hyperv/vmbus/aarch64/hyperv_aarch64.c =================================================================== --- /dev/null +++ sys/dev/hyperv/vmbus/aarch64/hyperv_aarch64.c @@ -0,0 +1,95 @@ +/*- 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. + */ + +/** + * Implements low-level interactions with Hyper-V/Azure + */ + +#include +__FBSDID("$FreeBSD$"); + +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +void hyperv_init_tc(void); +int hypercall_page_setup(vm_paddr_t); +void hypercall_disable(void); +bool hyperv_identify_features(void); + +u_int hyperv_ver_major; +u_int hyperv_features; +u_int hyperv_recommends; + +hyperv_tc64_t hyperv_tc64; + +void +hyperv_init_tc(void) +{ + hyperv_tc64 = NULL; +} + +int +hypercall_page_setup(vm_paddr_t hc) +{ + return (0); +} + +void +hypercall_disable(void) +{ + return; +} + +bool +hyperv_identify_features(void) +{ + struct hv_get_vp_registers_output result; + vm_guest = VM_GUEST_HV; + + hv_get_vpreg_128(CPUID_LEAF_HV_FEATURES, &result); + hyperv_features = result.as32.a; + hv_get_vpreg_128(CPUID_LEAF_HV_IDENTITY, &result); + hyperv_ver_major = result.as32.b >> 16; + hv_get_vpreg_128(CPUID_LEAF_HV_RECOMMENDS, &result); + hyperv_recommends = result.as32.a; + return (true); +} Index: sys/dev/hyperv/vmbus/aarch64/hyperv_machdep.h =================================================================== --- /dev/null +++ sys/dev/hyperv/vmbus/aarch64/hyperv_machdep.h @@ -0,0 +1,59 @@ +/*- SPDX-License-Identifier: BSD-2-Clause-FreeBSD + * + * Copyright (c) 2022 Microsoft Corp. + * + * 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. + * + * $FreeBSD$ + */ + +#ifndef _HYPERV_MACHDEP_H_ +#define _HYPERV_MACHDEP_H_ + +#include + +typedef uint32_t u32; +typedef uint64_t u64; +struct hv_get_vp_registers_output { + union { + struct { + u32 a; + u32 b; + u32 c; + u32 d; + } as32 __packed; + struct { + u64 low; + u64 high; + } as64 __packed; + }; +}; + +uint64_t hypercall_md(volatile void *hc_addr, u64 in_val, + u64 in_paddr, u64 out_paddr); +void hv_get_vpreg_128(u32, struct hv_get_vp_registers_output *); +void arm_hv_set_vreg(u32 msr, u64 val); +#define WRMSR(msr, val) arm_hv_set_vreg(msr, val) +u64 arm_hv_get_vreg(u32 msr); +#define RDMSR(msr) arm_hv_get_vreg(msr) + +#endif /* !_HYPERV_MACHDEP_H_ */ Index: sys/dev/hyperv/vmbus/aarch64/hyperv_machdep.c =================================================================== --- /dev/null +++ sys/dev/hyperv/vmbus/aarch64/hyperv_machdep.c @@ -0,0 +1,103 @@ +/*- SPDX-License-Identifier: BSD-2-Clause-FreeBSD + * + * Copyright (c) 2016-2017,2022 Microsoft Corp. + * + * 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. + */ + +#include +__FBSDID("$FreeBSD$"); + +#include +#include +#include +#include +#include +#include + +#define HVCALL_SET_VP_REGISTERS 0x0051 +#define HVCALL_GET_VP_REGISTERS 0x0050 +#define BIT(A) (1 << (A)) +#define HV_HYPERCALL_FAST_BIT BIT(16) +#define BIT_ULL(a) (1ULL << (a)) +#define HV_HYPERCALL_REP_COMP_1 BIT_ULL(32) +#define HV_PARTITION_ID_SELF ((u64)-1) +#define HV_VP_INDEX_SELF ((u32)-2) +#define HV_SMCCC_FUNC_NUMBER 1 + +#define HV_FUNC_ID \ + SMCCC_FUNC_ID(SMCCC_YIELDING_CALL, SMCCC_64BIT_CALL, \ + SMCCC_VENDOR_HYP_SERVICE_CALLS, HV_SMCCC_FUNC_NUMBER) + +void +arm_hv_set_vreg(u32 msr, u64 value) +{ + arm_smccc_hvc(HV_FUNC_ID, + HVCALL_SET_VP_REGISTERS | HV_HYPERCALL_FAST_BIT | + HV_HYPERCALL_REP_COMP_1, + HV_PARTITION_ID_SELF, HV_VP_INDEX_SELF, msr, 0, value, 0, NULL); +} + +void +hv_get_vpreg_128(u32 msr, struct hv_get_vp_registers_output *result) +{ + struct arm_smccc_1_2_regs args; + struct arm_smccc_1_2_regs res; + + args.a0 = HV_FUNC_ID; + args.a1 = HVCALL_GET_VP_REGISTERS | HV_HYPERCALL_FAST_BIT | + HV_HYPERCALL_REP_COMP_1; + args.a2 = HV_PARTITION_ID_SELF; + args.a3 = HV_VP_INDEX_SELF; + args.a4 = msr; + + /* + * Use the SMCCC 1.2 interface because the results are in registers + * beyond X0-X3. + */ + arm_smccc_1_2_hvc(&args, &res); + + result->as64.low = res.a6; + result->as64.high = res.a7; +} + +u64 +arm_hv_get_vreg(u32 msr) +{ + struct hv_get_vp_registers_output output; + + hv_get_vpreg_128(msr, &output); + + return (output.as64.low); +} + +uint64_t +hypercall_md(volatile void *hc_addr, uint64_t in_val, uint64_t in_paddr, + uint64_t out_paddr) +{ + struct arm_smccc_res res; + + arm_smccc_hvc(HV_FUNC_ID, in_val, in_paddr, out_paddr, 0, 0, 0, 0, + &res); + + return (res.a0); +} Index: sys/dev/hyperv/vmbus/aarch64/hyperv_reg.h =================================================================== --- /dev/null +++ sys/dev/hyperv/vmbus/aarch64/hyperv_reg.h @@ -0,0 +1,193 @@ +/*- SPDX-License-Identifier: BSD-2-Clause-FreeBSD + * Copyright (c) 2022 Microsoft Corp. + * 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. + * + * $FreeBSD$ + */ + +#ifndef _HYPERV_REG_H_ +#define _HYPERV_REG_H_ + +#include +#include + +/* + * Hyper-V Synthetic MSRs + */ + +#define MSR_HV_GUEST_OS_ID 0x00090002 +#define MSR_HV_GUESTID_BUILD_MASK 0xffffULL +#define MSR_HV_GUESTID_VERSION_MASK 0x0000ffffffff0000ULL +#define MSR_HV_GUESTID_VERSION_SHIFT 16 +#define MSR_HV_GUESTID_OSID_MASK 0x00ff000000000000ULL +#define MSR_HV_GUESTID_OSID_SHIFT 48 +#define MSR_HV_GUESTID_OSTYPE_MASK 0x7f00000000000000ULL +#define MSR_HV_GUESTID_OSTYPE_SHIFT 56 +#define MSR_HV_GUESTID_OPENSRC 0x8000000000000000ULL +#define MSR_HV_GUESTID_OSTYPE_LINUX \ + ((0x01ULL << MSR_HV_GUESTID_OSTYPE_SHIFT) | MSR_HV_GUESTID_OPENSRC) +#define MSR_HV_GUESTID_OSTYPE_FREEBSD \ + ((0x02ULL << MSR_HV_GUESTID_OSTYPE_SHIFT) | MSR_HV_GUESTID_OPENSRC) + +#define MSR_HV_HYPERCALL 0x40000001 +#define MSR_HV_HYPERCALL_ENABLE 0x0001ULL +#define MSR_HV_HYPERCALL_RSVD_MASK 0x0ffeULL +#define MSR_HV_HYPERCALL_PGSHIFT 12 + +#define MSR_HV_VP_INDEX 0x00090003 + +#define MSR_HV_REFERENCE_TSC 0x40000021 +#define MSR_HV_REFTSC_ENABLE 0x0001ULL +#define MSR_HV_REFTSC_RSVD_MASK 0x0ffeULL +#define MSR_HV_REFTSC_PGSHIFT 12 + +#define MSR_HV_SCONTROL 0x000A0010 +#define MSR_HV_SCTRL_ENABLE 0x0001ULL +#define MSR_HV_SCTRL_RSVD_MASK 0xfffffffffffffffeULL + +#define MSR_HV_SIEFP 0x000A0012 +#define MSR_HV_SIEFP_ENABLE 0x0001ULL +#define MSR_HV_SIEFP_RSVD_MASK 0x0ffeULL +#define MSR_HV_SIEFP_PGSHIFT 12 + +#define MSR_HV_SIMP 0x000A0013 +#define MSR_HV_SIMP_ENABLE 0x0001ULL +#define MSR_HV_SIMP_RSVD_MASK 0x0ffeULL +#define MSR_HV_SIMP_PGSHIFT 12 + +#define MSR_HV_EOM 0x000A0014 + +#define MSR_HV_SINT0 0x000A0000 +#define MSR_HV_SINT_VECTOR_MASK 0x00ffULL +#define MSR_HV_SINT_RSVD1_MASK 0xff00ULL +#define MSR_HV_SINT_MASKED 0x00010000ULL +#define MSR_HV_SINT_AUTOEOI 0x00000000ULL +#define MSR_HV_SINT_RSVD2_MASK 0xfffffffffffc0000ULL +#define MSR_HV_SINT_RSVD_MASK (MSR_HV_SINT_RSVD1_MASK | \ + MSR_HV_SINT_RSVD2_MASK) + +#define MSR_HV_STIMER0_CONFIG 0x400000b0 +#define MSR_HV_STIMER_CFG_ENABLE 0x0001ULL +#define MSR_HV_STIMER_CFG_PERIODIC 0x0002ULL +#define MSR_HV_STIMER_CFG_LAZY 0x0004ULL +#define MSR_HV_STIMER_CFG_AUTOEN 0x0008ULL +#define MSR_HV_STIMER_CFG_SINT_MASK 0x000f0000ULL +#define MSR_HV_STIMER_CFG_SINT_SHIFT 16 + +#define MSR_HV_STIMER0_COUNT 0x400000b1 + +/* + * CPUID leaves + */ + +#define CPUID_LEAF_HV_MAXLEAF 0x40000000 + +#define CPUID_LEAF_HV_INTERFACE 0x40000001 +#define CPUID_HV_IFACE_HYPERV 0x31237648 /* HV#1 */ + +#define CPUID_LEAF_HV_IDENTITY 0x00000100 + +#define CPUID_LEAF_HV_FEATURES 0x00000200 +/* EAX: features include/hyperv.h CPUID_HV_MSR */ +/* ECX: power management features */ +#define CPUPM_HV_CSTATE_MASK 0x000f /* deepest C-state */ +#define CPUPM_HV_C3_HPET 0x0010 /* C3 requires HPET */ +#define CPUPM_HV_CSTATE(f) ((f) & CPUPM_HV_CSTATE_MASK) +/* EDX: features3 */ +#define CPUID3_HV_MWAIT 0x0001 /* MWAIT */ +#define CPUID3_HV_XMM_HYPERCALL 0x0010 /* Hypercall input through + * XMM regs */ +#define CPUID3_HV_GUEST_IDLE 0x0020 /* guest idle */ +#define CPUID3_HV_NUMA 0x0080 /* NUMA distance query */ +#define CPUID3_HV_TIME_FREQ 0x0100 /* timer frequency query + * (TSC, LAPIC) */ +#define CPUID3_HV_MSR_CRASH 0x0400 /* MSRs for guest crash */ + +#define CPUID_LEAF_HV_RECOMMENDS 0x00000201 +#define CPUID_LEAF_HV_LIMITS 0x40000005 +#define CPUID_LEAF_HV_HWFEATURES 0x40000006 + +/* + * Hyper-V Monitor Notification Facility + */ +struct hyperv_mon_param { + uint32_t mp_connid; + uint16_t mp_evtflag_ofs; + uint16_t mp_rsvd; +} __packed; + +/* + * Hyper-V message types + */ +#define HYPERV_MSGTYPE_NONE 0 +#define HYPERV_MSGTYPE_CHANNEL 1 +#define HYPERV_MSGTYPE_TIMER_EXPIRED 0x80000010 + +/* + * Hypercall status codes + */ +#define HYPERCALL_STATUS_SUCCESS 0x0000 + +/* + * Hypercall input values + */ +#define HYPERCALL_POST_MESSAGE 0x005c +#define HYPERCALL_SIGNAL_EVENT 0x005d + +/* + * Hypercall input parameters + */ +#define HYPERCALL_PARAM_ALIGN 8 +#if 0 +/* + * XXX + * <> requires + * input parameters size to be multiple of 8, however, many post + * message input parameters do _not_ meet this requirement. + */ +#define HYPERCALL_PARAM_SIZE_ALIGN 8 +#endif + +/* + * HYPERCALL_POST_MESSAGE + */ +#define HYPERCALL_POSTMSGIN_DSIZE_MAX 240 +#define HYPERCALL_POSTMSGIN_SIZE 256 + +struct hypercall_postmsg_in { + uint32_t hc_connid; + uint32_t hc_rsvd; + uint32_t hc_msgtype; /* HYPERV_MSGTYPE_ */ + uint32_t hc_dsize; + uint8_t hc_data[HYPERCALL_POSTMSGIN_DSIZE_MAX]; +} __packed; +CTASSERT(sizeof(struct hypercall_postmsg_in) == HYPERCALL_POSTMSGIN_SIZE); + +/* + * HYPERCALL_SIGNAL_EVENT + * + * struct hyperv_mon_param. + */ + +#endif /* !_HYPERV_REG_H_ */ Index: sys/dev/hyperv/vmbus/aarch64/vmbus_aarch64.c =================================================================== --- /dev/null +++ sys/dev/hyperv/vmbus/aarch64/vmbus_aarch64.c @@ -0,0 +1,157 @@ +/*- 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 +__FBSDID("$FreeBSD$"); + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#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; + } + } +}