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hyperv: Deprecate HYPERV option by moving Hyper-V IDT vector into vmbus

Browse Source 
Submitted by:	Jun Su <junsu microsoft com>
Reviewed by:	jhb, kib, sephe
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D5910
This commit is contained in:
Sepherosa Ziehau 2016-04-15 02:20:18 +00:00
parent 960536b69f
commit 0c29fe6db8
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=298022
13 changed files with 109 additions and 53 deletions
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16
sys/amd64/amd64/apic_vector.S
View File

@ -174,22 +174,6 @@ IDTVEC(xen_intr_upcall)
jmp doreti
#endif
#ifdef HYPERV
/*
* This is the Hyper-V vmbus channel direct callback interrupt.
* Only used when it is running on Hyper-V.
*/
.text
SUPERALIGN_TEXT
IDTVEC(hv_vmbus_callback)
PUSH_FRAME
FAKE_MCOUNT(TF_RIP(%rsp))
movq %rsp, %rdi
call hv_vector_handler
MEXITCOUNT
jmp doreti
#endif
#ifdef SMP
/*
* Global address space TLB shootdown.

2
sys/amd64/conf/GENERIC
View File

@ -350,8 +350,6 @@ device virtio_scsi # VirtIO SCSI device
device virtio_balloon # VirtIO Memory Balloon device
# HyperV drivers and enchancement support
# NOTE: HYPERV depends on hyperv. They must be added or removed together.
options HYPERV # Hyper-V kernel infrastructure
device hyperv # HyperV drivers
# Xen HVM Guest Optimizations

1
sys/amd64/conf/NOTES
View File

@ -515,7 +515,6 @@ device virtio_random # VirtIO Entropy device
device virtio_console # VirtIO Console device
# Microsoft Hyper-V enchancement support
options HYPERV # Hyper-V kernel infrastructure
device hyperv # HyperV drivers
# Xen HVM Guest Optimizations

1
sys/conf/files.amd64
View File

@ -277,6 +277,7 @@ dev/hyperv/vmbus/hv_hv.c optional hyperv
dev/hyperv/vmbus/hv_et.c optional hyperv
dev/hyperv/vmbus/hv_ring_buffer.c optional hyperv
dev/hyperv/vmbus/hv_vmbus_drv_freebsd.c optional hyperv
dev/hyperv/vmbus/amd64/hv_vector.S optional hyperv
dev/nfe/if_nfe.c optional nfe pci
dev/ntb/if_ntb/if_ntb.c optional if_ntb
dev/ntb/ntb_hw/ntb_hw.c optional if_ntb | ntb_hw

1
sys/conf/files.i386
View File

@ -252,6 +252,7 @@ dev/hyperv/vmbus/hv_hv.c optional hyperv
dev/hyperv/vmbus/hv_et.c optional hyperv
dev/hyperv/vmbus/hv_ring_buffer.c optional hyperv
dev/hyperv/vmbus/hv_vmbus_drv_freebsd.c optional hyperv
dev/hyperv/vmbus/i386/hv_vector.S optional hyperv
dev/ichwd/ichwd.c optional ichwd
dev/if_ndis/if_ndis.c optional ndis
dev/if_ndis/if_ndis_pccard.c optional ndis pccard

2
sys/conf/options.amd64
View File

@ -63,7 +63,5 @@ BPF_JITTER opt_bpf.h
XENHVM opt_global.h
HYPERV opt_global.h
# options for the Intel C600 SAS driver (isci)
ISCI_LOGGING opt_isci.h

2
sys/conf/options.i386
View File

@ -123,7 +123,5 @@ BPF_JITTER opt_bpf.h
XENHVM opt_global.h
HYPERV opt_global.h
# options for the Intel C600 SAS driver (isci)
ISCI_LOGGING opt_isci.h

46
sys/dev/hyperv/vmbus/amd64/hv_vector.S Normal file
View File

@ -0,0 +1,46 @@
/*-
* Copyright (c) 2016 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.
*
* $FreeBSD$
*/
#include <machine/asmacros.h>
#include <machine/specialreg.h>
#include "assym.s"
/*
* This is the Hyper-V vmbus channel direct callback interrupt.
* Only used when it is running on Hyper-V.
*/
.text
SUPERALIGN_TEXT
IDTVEC(hv_vmbus_callback)
PUSH_FRAME
FAKE_MCOUNT(TF_RIP(%rsp))
movq %rsp, %rdi
call hv_vector_handler
MEXITCOUNT
jmp doreti

6
sys/dev/hyperv/vmbus/hv_vmbus_drv_freebsd.c
View File

@ -370,9 +370,7 @@ vmbus_probe(device_t dev) {
return (BUS_PROBE_DEFAULT);
}
#ifdef HYPERV
extern inthand_t IDTVEC(hv_vmbus_callback);
#endif
/**
* @brief Main vmbus driver initialization routine.
@ -406,14 +404,10 @@ vmbus_bus_init(void)
return (ret);
}
#ifdef HYPERV
/*
* Find a free IDT slot for vmbus callback.
*/
hv_vmbus_g_context.hv_cb_vector = lapic_ipi_alloc(IDTVEC(hv_vmbus_callback));
#else
hv_vmbus_g_context.hv_cb_vector = -1;
#endif
if (hv_vmbus_g_context.hv_cb_vector < 0) {
if(bootverbose)
printf("Error VMBUS: Cannot find free IDT slot for "

49
sys/dev/hyperv/vmbus/i386/hv_vector.S Normal file
View File

@ -0,0 +1,49 @@
/*-
* Copyright (c) 2016 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.
*
* $FreeBSD$
*/
#include <machine/asmacros.h>
#include <machine/specialreg.h>
#include "assym.s"
/*
* This is the Hyper-V vmbus channel direct callback interrupt.
* Only used when it is running on Hyper-V.
*/
.text
SUPERALIGN_TEXT
IDTVEC(hv_vmbus_callback)
PUSH_FRAME
SET_KERNEL_SREGS
cld
FAKE_MCOUNT(TF_EIP(%esp))
pushl %esp
call hv_vector_handler
add $4, %esp
MEXITCOUNT
jmp doreti

2
sys/i386/conf/GENERIC
View File

@ -367,8 +367,6 @@ device virtio_scsi # VirtIO SCSI device
device virtio_balloon # VirtIO Memory Balloon device
# HyperV drivers and enchancement support
# NOTE: HYPERV depends on hyperv. They must be added or removed together.
options HYPERV # Hyper-V kernel infrastructure
device hyperv # HyperV drivers
# Xen HVM Guest Optimizations

19
sys/i386/i386/apic_vector.s
View File

@ -181,25 +181,6 @@ IDTVEC(xen_intr_upcall)
jmp doreti
#endif
#ifdef HYPERV
/*
* This is the Hyper-V vmbus channel direct callback interrupt.
* Only used when it is running on Hyper-V.
*/
.text
SUPERALIGN_TEXT
IDTVEC(hv_vmbus_callback)
PUSH_FRAME
SET_KERNEL_SREGS
cld
FAKE_MCOUNT(TF_EIP(%esp))
pushl %esp
call hv_vector_handler
add $4, %esp
MEXITCOUNT
jmp doreti
#endif
#ifdef SMP
/*
* Global address space TLB shootdown.

15
sys/modules/hyperv/vmbus/Makefile
View File

@ -1,7 +1,7 @@
# $FreeBSD$
.PATH: ${.CURDIR}/../../../dev/hyperv/vmbus \
${.CURDIR}/../../../dev/hyperv/utilities
${.CURDIR}/../../../dev/hyperv/vmbus/${MACHINE_CPUARCH}
KMOD= hv_vmbus
SRCS= hv_channel.c \
@ -14,8 +14,17 @@ SRCS= hv_channel.c \
hv_vmbus_priv.h
SRCS+= acpi_if.h bus_if.h device_if.h opt_acpi.h
# XXX: for assym.s
SRCS+= opt_kstack_pages.h opt_nfs.h opt_apic.h opt_hwpmc_hooks.h opt_compat.h
SRCS+= assym.s \
hv_vector.S
hv_vector.o:
${CC} -c -x assembler-with-cpp -DLOCORE ${CFLAGS} \
${.IMPSRC} -o ${.TARGET}
CFLAGS+= -I${.CURDIR}/../../../dev/hyperv/include \
-I${.CURDIR}/../../../dev/hyperv/vmbus \
-I${.CURDIR}/../../../dev/hyperv/utilities
-I${.CURDIR}/../../../dev/hyperv/vmbus
.include <bsd.kmod.mk>